1 /*
2 	Copyright (C) 2010 Willow Garage <http://www.willowgarage.com>
3 	Copyright (C) 2010 Ivo van Doorn <IvDoorn@gmail.com>
4 	Copyright (C) 2009 Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
5 	Copyright (C) 2009 Gertjan van Wingerde <gwingerde@gmail.com>
6 
7 	Based on the original rt2800pci.c and rt2800usb.c.
8 	  Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
9 	  Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
10 	  Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com>
11 	  Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
12 	  Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com>
13 	  Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
14 	  <http://rt2x00.serialmonkey.com>
15 
16 	This program is free software; you can redistribute it and/or modify
17 	it under the terms of the GNU General Public License as published by
18 	the Free Software Foundation; either version 2 of the License, or
19 	(at your option) any later version.
20 
21 	This program is distributed in the hope that it will be useful,
22 	but WITHOUT ANY WARRANTY; without even the implied warranty of
23 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 	GNU General Public License for more details.
25 
26 	You should have received a copy of the GNU General Public License
27 	along with this program; if not, see <http://www.gnu.org/licenses/>.
28  */
29 
30 /*
31 	Module: rt2800lib
32 	Abstract: rt2800 generic device routines.
33  */
34 
35 #include <linux/crc-ccitt.h>
36 #include <linux/kernel.h>
37 #include <linux/module.h>
38 #include <linux/slab.h>
39 
40 #include "rt2x00.h"
41 #include "rt2800lib.h"
42 #include "rt2800.h"
43 
44 /*
45  * Register access.
46  * All access to the CSR registers will go through the methods
47  * rt2800_register_read and rt2800_register_write.
48  * BBP and RF register require indirect register access,
49  * and use the CSR registers BBPCSR and RFCSR to achieve this.
50  * These indirect registers work with busy bits,
51  * and we will try maximal REGISTER_BUSY_COUNT times to access
52  * the register while taking a REGISTER_BUSY_DELAY us delay
53  * between each attampt. When the busy bit is still set at that time,
54  * the access attempt is considered to have failed,
55  * and we will print an error.
56  * The _lock versions must be used if you already hold the csr_mutex
57  */
58 #define WAIT_FOR_BBP(__dev, __reg) \
59 	rt2800_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
60 #define WAIT_FOR_RFCSR(__dev, __reg) \
61 	rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
62 #define WAIT_FOR_RFCSR_MT7620(__dev, __reg) \
63 	rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY_MT7620, \
64 			    (__reg))
65 #define WAIT_FOR_RF(__dev, __reg) \
66 	rt2800_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
67 #define WAIT_FOR_MCU(__dev, __reg) \
68 	rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \
69 			    H2M_MAILBOX_CSR_OWNER, (__reg))
70 
rt2800_is_305x_soc(struct rt2x00_dev * rt2x00dev)71 static inline bool rt2800_is_305x_soc(struct rt2x00_dev *rt2x00dev)
72 {
73 	/* check for rt2872 on SoC */
74 	if (!rt2x00_is_soc(rt2x00dev) ||
75 	    !rt2x00_rt(rt2x00dev, RT2872))
76 		return false;
77 
78 	/* we know for sure that these rf chipsets are used on rt305x boards */
79 	if (rt2x00_rf(rt2x00dev, RF3020) ||
80 	    rt2x00_rf(rt2x00dev, RF3021) ||
81 	    rt2x00_rf(rt2x00dev, RF3022))
82 		return true;
83 
84 	rt2x00_warn(rt2x00dev, "Unknown RF chipset on rt305x\n");
85 	return false;
86 }
87 
rt2800_bbp_write(struct rt2x00_dev * rt2x00dev,const unsigned int word,const u8 value)88 static void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
89 			     const unsigned int word, const u8 value)
90 {
91 	u32 reg;
92 
93 	mutex_lock(&rt2x00dev->csr_mutex);
94 
95 	/*
96 	 * Wait until the BBP becomes available, afterwards we
97 	 * can safely write the new data into the register.
98 	 */
99 	if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
100 		reg = 0;
101 		rt2x00_set_field32(&reg, BBP_CSR_CFG_VALUE, value);
102 		rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
103 		rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
104 		rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 0);
105 		rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
106 
107 		rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
108 	}
109 
110 	mutex_unlock(&rt2x00dev->csr_mutex);
111 }
112 
rt2800_bbp_read(struct rt2x00_dev * rt2x00dev,const unsigned int word)113 static u8 rt2800_bbp_read(struct rt2x00_dev *rt2x00dev, const unsigned int word)
114 {
115 	u32 reg;
116 	u8 value;
117 
118 	mutex_lock(&rt2x00dev->csr_mutex);
119 
120 	/*
121 	 * Wait until the BBP becomes available, afterwards we
122 	 * can safely write the read request into the register.
123 	 * After the data has been written, we wait until hardware
124 	 * returns the correct value, if at any time the register
125 	 * doesn't become available in time, reg will be 0xffffffff
126 	 * which means we return 0xff to the caller.
127 	 */
128 	if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
129 		reg = 0;
130 		rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
131 		rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
132 		rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 1);
133 		rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
134 
135 		rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
136 
137 		WAIT_FOR_BBP(rt2x00dev, &reg);
138 	}
139 
140 	value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE);
141 
142 	mutex_unlock(&rt2x00dev->csr_mutex);
143 
144 	return value;
145 }
146 
rt2800_rfcsr_write(struct rt2x00_dev * rt2x00dev,const unsigned int word,const u8 value)147 static void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
148 			       const unsigned int word, const u8 value)
149 {
150 	u32 reg;
151 
152 	mutex_lock(&rt2x00dev->csr_mutex);
153 
154 	/*
155 	 * Wait until the RFCSR becomes available, afterwards we
156 	 * can safely write the new data into the register.
157 	 */
158 	switch (rt2x00dev->chip.rt) {
159 	case RT6352:
160 		if (WAIT_FOR_RFCSR_MT7620(rt2x00dev, &reg)) {
161 			reg = 0;
162 			rt2x00_set_field32(&reg, RF_CSR_CFG_DATA_MT7620, value);
163 			rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM_MT7620,
164 					   word);
165 			rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE_MT7620, 1);
166 			rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY_MT7620, 1);
167 
168 			rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
169 		}
170 		break;
171 
172 	default:
173 		if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
174 			reg = 0;
175 			rt2x00_set_field32(&reg, RF_CSR_CFG_DATA, value);
176 			rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
177 			rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
178 			rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
179 
180 			rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
181 		}
182 		break;
183 	}
184 
185 	mutex_unlock(&rt2x00dev->csr_mutex);
186 }
187 
rt2800_rfcsr_write_bank(struct rt2x00_dev * rt2x00dev,const u8 bank,const unsigned int reg,const u8 value)188 static void rt2800_rfcsr_write_bank(struct rt2x00_dev *rt2x00dev, const u8 bank,
189 				    const unsigned int reg, const u8 value)
190 {
191 	rt2800_rfcsr_write(rt2x00dev, (reg | (bank << 6)), value);
192 }
193 
rt2800_rfcsr_write_chanreg(struct rt2x00_dev * rt2x00dev,const unsigned int reg,const u8 value)194 static void rt2800_rfcsr_write_chanreg(struct rt2x00_dev *rt2x00dev,
195 				       const unsigned int reg, const u8 value)
196 {
197 	rt2800_rfcsr_write_bank(rt2x00dev, 4, reg, value);
198 	rt2800_rfcsr_write_bank(rt2x00dev, 6, reg, value);
199 }
200 
rt2800_rfcsr_write_dccal(struct rt2x00_dev * rt2x00dev,const unsigned int reg,const u8 value)201 static void rt2800_rfcsr_write_dccal(struct rt2x00_dev *rt2x00dev,
202 				     const unsigned int reg, const u8 value)
203 {
204 	rt2800_rfcsr_write_bank(rt2x00dev, 5, reg, value);
205 	rt2800_rfcsr_write_bank(rt2x00dev, 7, reg, value);
206 }
207 
rt2800_rfcsr_read(struct rt2x00_dev * rt2x00dev,const unsigned int word)208 static u8 rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
209 			    const unsigned int word)
210 {
211 	u32 reg;
212 	u8 value;
213 
214 	mutex_lock(&rt2x00dev->csr_mutex);
215 
216 	/*
217 	 * Wait until the RFCSR becomes available, afterwards we
218 	 * can safely write the read request into the register.
219 	 * After the data has been written, we wait until hardware
220 	 * returns the correct value, if at any time the register
221 	 * doesn't become available in time, reg will be 0xffffffff
222 	 * which means we return 0xff to the caller.
223 	 */
224 	switch (rt2x00dev->chip.rt) {
225 	case RT6352:
226 		if (WAIT_FOR_RFCSR_MT7620(rt2x00dev, &reg)) {
227 			reg = 0;
228 			rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM_MT7620,
229 					   word);
230 			rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE_MT7620, 0);
231 			rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY_MT7620, 1);
232 
233 			rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
234 
235 			WAIT_FOR_RFCSR_MT7620(rt2x00dev, &reg);
236 		}
237 
238 		value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA_MT7620);
239 		break;
240 
241 	default:
242 		if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
243 			reg = 0;
244 			rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
245 			rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
246 			rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
247 
248 			rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
249 
250 			WAIT_FOR_RFCSR(rt2x00dev, &reg);
251 		}
252 
253 		value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA);
254 		break;
255 	}
256 
257 	mutex_unlock(&rt2x00dev->csr_mutex);
258 
259 	return value;
260 }
261 
rt2800_rfcsr_read_bank(struct rt2x00_dev * rt2x00dev,const u8 bank,const unsigned int reg)262 static u8 rt2800_rfcsr_read_bank(struct rt2x00_dev *rt2x00dev, const u8 bank,
263 				 const unsigned int reg)
264 {
265 	return rt2800_rfcsr_read(rt2x00dev, (reg | (bank << 6)));
266 }
267 
rt2800_rf_write(struct rt2x00_dev * rt2x00dev,const unsigned int word,const u32 value)268 static void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
269 			    const unsigned int word, const u32 value)
270 {
271 	u32 reg;
272 
273 	mutex_lock(&rt2x00dev->csr_mutex);
274 
275 	/*
276 	 * Wait until the RF becomes available, afterwards we
277 	 * can safely write the new data into the register.
278 	 */
279 	if (WAIT_FOR_RF(rt2x00dev, &reg)) {
280 		reg = 0;
281 		rt2x00_set_field32(&reg, RF_CSR_CFG0_REG_VALUE_BW, value);
282 		rt2x00_set_field32(&reg, RF_CSR_CFG0_STANDBYMODE, 0);
283 		rt2x00_set_field32(&reg, RF_CSR_CFG0_SEL, 0);
284 		rt2x00_set_field32(&reg, RF_CSR_CFG0_BUSY, 1);
285 
286 		rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg);
287 		rt2x00_rf_write(rt2x00dev, word, value);
288 	}
289 
290 	mutex_unlock(&rt2x00dev->csr_mutex);
291 }
292 
293 static const unsigned int rt2800_eeprom_map[EEPROM_WORD_COUNT] = {
294 	[EEPROM_CHIP_ID]		= 0x0000,
295 	[EEPROM_VERSION]		= 0x0001,
296 	[EEPROM_MAC_ADDR_0]		= 0x0002,
297 	[EEPROM_MAC_ADDR_1]		= 0x0003,
298 	[EEPROM_MAC_ADDR_2]		= 0x0004,
299 	[EEPROM_NIC_CONF0]		= 0x001a,
300 	[EEPROM_NIC_CONF1]		= 0x001b,
301 	[EEPROM_FREQ]			= 0x001d,
302 	[EEPROM_LED_AG_CONF]		= 0x001e,
303 	[EEPROM_LED_ACT_CONF]		= 0x001f,
304 	[EEPROM_LED_POLARITY]		= 0x0020,
305 	[EEPROM_NIC_CONF2]		= 0x0021,
306 	[EEPROM_LNA]			= 0x0022,
307 	[EEPROM_RSSI_BG]		= 0x0023,
308 	[EEPROM_RSSI_BG2]		= 0x0024,
309 	[EEPROM_TXMIXER_GAIN_BG]	= 0x0024, /* overlaps with RSSI_BG2 */
310 	[EEPROM_RSSI_A]			= 0x0025,
311 	[EEPROM_RSSI_A2]		= 0x0026,
312 	[EEPROM_TXMIXER_GAIN_A]		= 0x0026, /* overlaps with RSSI_A2 */
313 	[EEPROM_EIRP_MAX_TX_POWER]	= 0x0027,
314 	[EEPROM_TXPOWER_DELTA]		= 0x0028,
315 	[EEPROM_TXPOWER_BG1]		= 0x0029,
316 	[EEPROM_TXPOWER_BG2]		= 0x0030,
317 	[EEPROM_TSSI_BOUND_BG1]		= 0x0037,
318 	[EEPROM_TSSI_BOUND_BG2]		= 0x0038,
319 	[EEPROM_TSSI_BOUND_BG3]		= 0x0039,
320 	[EEPROM_TSSI_BOUND_BG4]		= 0x003a,
321 	[EEPROM_TSSI_BOUND_BG5]		= 0x003b,
322 	[EEPROM_TXPOWER_A1]		= 0x003c,
323 	[EEPROM_TXPOWER_A2]		= 0x0053,
324 	[EEPROM_TXPOWER_INIT]		= 0x0068,
325 	[EEPROM_TSSI_BOUND_A1]		= 0x006a,
326 	[EEPROM_TSSI_BOUND_A2]		= 0x006b,
327 	[EEPROM_TSSI_BOUND_A3]		= 0x006c,
328 	[EEPROM_TSSI_BOUND_A4]		= 0x006d,
329 	[EEPROM_TSSI_BOUND_A5]		= 0x006e,
330 	[EEPROM_TXPOWER_BYRATE]		= 0x006f,
331 	[EEPROM_BBP_START]		= 0x0078,
332 };
333 
334 static const unsigned int rt2800_eeprom_map_ext[EEPROM_WORD_COUNT] = {
335 	[EEPROM_CHIP_ID]		= 0x0000,
336 	[EEPROM_VERSION]		= 0x0001,
337 	[EEPROM_MAC_ADDR_0]		= 0x0002,
338 	[EEPROM_MAC_ADDR_1]		= 0x0003,
339 	[EEPROM_MAC_ADDR_2]		= 0x0004,
340 	[EEPROM_NIC_CONF0]		= 0x001a,
341 	[EEPROM_NIC_CONF1]		= 0x001b,
342 	[EEPROM_NIC_CONF2]		= 0x001c,
343 	[EEPROM_EIRP_MAX_TX_POWER]	= 0x0020,
344 	[EEPROM_FREQ]			= 0x0022,
345 	[EEPROM_LED_AG_CONF]		= 0x0023,
346 	[EEPROM_LED_ACT_CONF]		= 0x0024,
347 	[EEPROM_LED_POLARITY]		= 0x0025,
348 	[EEPROM_LNA]			= 0x0026,
349 	[EEPROM_EXT_LNA2]		= 0x0027,
350 	[EEPROM_RSSI_BG]		= 0x0028,
351 	[EEPROM_RSSI_BG2]		= 0x0029,
352 	[EEPROM_RSSI_A]			= 0x002a,
353 	[EEPROM_RSSI_A2]		= 0x002b,
354 	[EEPROM_TXPOWER_BG1]		= 0x0030,
355 	[EEPROM_TXPOWER_BG2]		= 0x0037,
356 	[EEPROM_EXT_TXPOWER_BG3]	= 0x003e,
357 	[EEPROM_TSSI_BOUND_BG1]		= 0x0045,
358 	[EEPROM_TSSI_BOUND_BG2]		= 0x0046,
359 	[EEPROM_TSSI_BOUND_BG3]		= 0x0047,
360 	[EEPROM_TSSI_BOUND_BG4]		= 0x0048,
361 	[EEPROM_TSSI_BOUND_BG5]		= 0x0049,
362 	[EEPROM_TXPOWER_A1]		= 0x004b,
363 	[EEPROM_TXPOWER_A2]		= 0x0065,
364 	[EEPROM_EXT_TXPOWER_A3]		= 0x007f,
365 	[EEPROM_TSSI_BOUND_A1]		= 0x009a,
366 	[EEPROM_TSSI_BOUND_A2]		= 0x009b,
367 	[EEPROM_TSSI_BOUND_A3]		= 0x009c,
368 	[EEPROM_TSSI_BOUND_A4]		= 0x009d,
369 	[EEPROM_TSSI_BOUND_A5]		= 0x009e,
370 	[EEPROM_TXPOWER_BYRATE]		= 0x00a0,
371 };
372 
rt2800_eeprom_word_index(struct rt2x00_dev * rt2x00dev,const enum rt2800_eeprom_word word)373 static unsigned int rt2800_eeprom_word_index(struct rt2x00_dev *rt2x00dev,
374 					     const enum rt2800_eeprom_word word)
375 {
376 	const unsigned int *map;
377 	unsigned int index;
378 
379 	if (WARN_ONCE(word >= EEPROM_WORD_COUNT,
380 		      "%s: invalid EEPROM word %d\n",
381 		      wiphy_name(rt2x00dev->hw->wiphy), word))
382 		return 0;
383 
384 	if (rt2x00_rt(rt2x00dev, RT3593))
385 		map = rt2800_eeprom_map_ext;
386 	else
387 		map = rt2800_eeprom_map;
388 
389 	index = map[word];
390 
391 	/* Index 0 is valid only for EEPROM_CHIP_ID.
392 	 * Otherwise it means that the offset of the
393 	 * given word is not initialized in the map,
394 	 * or that the field is not usable on the
395 	 * actual chipset.
396 	 */
397 	WARN_ONCE(word != EEPROM_CHIP_ID && index == 0,
398 		  "%s: invalid access of EEPROM word %d\n",
399 		  wiphy_name(rt2x00dev->hw->wiphy), word);
400 
401 	return index;
402 }
403 
rt2800_eeprom_addr(struct rt2x00_dev * rt2x00dev,const enum rt2800_eeprom_word word)404 static void *rt2800_eeprom_addr(struct rt2x00_dev *rt2x00dev,
405 				const enum rt2800_eeprom_word word)
406 {
407 	unsigned int index;
408 
409 	index = rt2800_eeprom_word_index(rt2x00dev, word);
410 	return rt2x00_eeprom_addr(rt2x00dev, index);
411 }
412 
rt2800_eeprom_read(struct rt2x00_dev * rt2x00dev,const enum rt2800_eeprom_word word)413 static u16 rt2800_eeprom_read(struct rt2x00_dev *rt2x00dev,
414 			      const enum rt2800_eeprom_word word)
415 {
416 	unsigned int index;
417 
418 	index = rt2800_eeprom_word_index(rt2x00dev, word);
419 	return rt2x00_eeprom_read(rt2x00dev, index);
420 }
421 
rt2800_eeprom_write(struct rt2x00_dev * rt2x00dev,const enum rt2800_eeprom_word word,u16 data)422 static void rt2800_eeprom_write(struct rt2x00_dev *rt2x00dev,
423 				const enum rt2800_eeprom_word word, u16 data)
424 {
425 	unsigned int index;
426 
427 	index = rt2800_eeprom_word_index(rt2x00dev, word);
428 	rt2x00_eeprom_write(rt2x00dev, index, data);
429 }
430 
rt2800_eeprom_read_from_array(struct rt2x00_dev * rt2x00dev,const enum rt2800_eeprom_word array,unsigned int offset)431 static u16 rt2800_eeprom_read_from_array(struct rt2x00_dev *rt2x00dev,
432 					 const enum rt2800_eeprom_word array,
433 					 unsigned int offset)
434 {
435 	unsigned int index;
436 
437 	index = rt2800_eeprom_word_index(rt2x00dev, array);
438 	return rt2x00_eeprom_read(rt2x00dev, index + offset);
439 }
440 
rt2800_enable_wlan_rt3290(struct rt2x00_dev * rt2x00dev)441 static int rt2800_enable_wlan_rt3290(struct rt2x00_dev *rt2x00dev)
442 {
443 	u32 reg;
444 	int i, count;
445 
446 	reg = rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL);
447 	rt2x00_set_field32(&reg, WLAN_GPIO_OUT_OE_BIT_ALL, 0xff);
448 	rt2x00_set_field32(&reg, FRC_WL_ANT_SET, 1);
449 	rt2x00_set_field32(&reg, WLAN_CLK_EN, 0);
450 	rt2x00_set_field32(&reg, WLAN_EN, 1);
451 	rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
452 
453 	udelay(REGISTER_BUSY_DELAY);
454 
455 	count = 0;
456 	do {
457 		/*
458 		 * Check PLL_LD & XTAL_RDY.
459 		 */
460 		for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
461 			reg = rt2800_register_read(rt2x00dev, CMB_CTRL);
462 			if (rt2x00_get_field32(reg, PLL_LD) &&
463 			    rt2x00_get_field32(reg, XTAL_RDY))
464 				break;
465 			udelay(REGISTER_BUSY_DELAY);
466 		}
467 
468 		if (i >= REGISTER_BUSY_COUNT) {
469 
470 			if (count >= 10)
471 				return -EIO;
472 
473 			rt2800_register_write(rt2x00dev, 0x58, 0x018);
474 			udelay(REGISTER_BUSY_DELAY);
475 			rt2800_register_write(rt2x00dev, 0x58, 0x418);
476 			udelay(REGISTER_BUSY_DELAY);
477 			rt2800_register_write(rt2x00dev, 0x58, 0x618);
478 			udelay(REGISTER_BUSY_DELAY);
479 			count++;
480 		} else {
481 			count = 0;
482 		}
483 
484 		reg = rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL);
485 		rt2x00_set_field32(&reg, PCIE_APP0_CLK_REQ, 0);
486 		rt2x00_set_field32(&reg, WLAN_CLK_EN, 1);
487 		rt2x00_set_field32(&reg, WLAN_RESET, 1);
488 		rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
489 		udelay(10);
490 		rt2x00_set_field32(&reg, WLAN_RESET, 0);
491 		rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
492 		udelay(10);
493 		rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, 0x7fffffff);
494 	} while (count != 0);
495 
496 	return 0;
497 }
498 
rt2800_mcu_request(struct rt2x00_dev * rt2x00dev,const u8 command,const u8 token,const u8 arg0,const u8 arg1)499 void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
500 			const u8 command, const u8 token,
501 			const u8 arg0, const u8 arg1)
502 {
503 	u32 reg;
504 
505 	/*
506 	 * SOC devices don't support MCU requests.
507 	 */
508 	if (rt2x00_is_soc(rt2x00dev))
509 		return;
510 
511 	mutex_lock(&rt2x00dev->csr_mutex);
512 
513 	/*
514 	 * Wait until the MCU becomes available, afterwards we
515 	 * can safely write the new data into the register.
516 	 */
517 	if (WAIT_FOR_MCU(rt2x00dev, &reg)) {
518 		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_OWNER, 1);
519 		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
520 		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
521 		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
522 		rt2800_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
523 
524 		reg = 0;
525 		rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
526 		rt2800_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg);
527 	}
528 
529 	mutex_unlock(&rt2x00dev->csr_mutex);
530 }
531 EXPORT_SYMBOL_GPL(rt2800_mcu_request);
532 
rt2800_wait_csr_ready(struct rt2x00_dev * rt2x00dev)533 int rt2800_wait_csr_ready(struct rt2x00_dev *rt2x00dev)
534 {
535 	unsigned int i = 0;
536 	u32 reg;
537 
538 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
539 		reg = rt2800_register_read(rt2x00dev, MAC_CSR0);
540 		if (reg && reg != ~0)
541 			return 0;
542 		msleep(1);
543 	}
544 
545 	rt2x00_err(rt2x00dev, "Unstable hardware\n");
546 	return -EBUSY;
547 }
548 EXPORT_SYMBOL_GPL(rt2800_wait_csr_ready);
549 
rt2800_wait_wpdma_ready(struct rt2x00_dev * rt2x00dev)550 int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
551 {
552 	unsigned int i;
553 	u32 reg;
554 
555 	/*
556 	 * Some devices are really slow to respond here. Wait a whole second
557 	 * before timing out.
558 	 */
559 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
560 		reg = rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG);
561 		if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
562 		    !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
563 			return 0;
564 
565 		msleep(10);
566 	}
567 
568 	rt2x00_err(rt2x00dev, "WPDMA TX/RX busy [0x%08x]\n", reg);
569 	return -EACCES;
570 }
571 EXPORT_SYMBOL_GPL(rt2800_wait_wpdma_ready);
572 
rt2800_disable_wpdma(struct rt2x00_dev * rt2x00dev)573 void rt2800_disable_wpdma(struct rt2x00_dev *rt2x00dev)
574 {
575 	u32 reg;
576 
577 	reg = rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG);
578 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
579 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
580 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
581 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
582 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
583 	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
584 }
585 EXPORT_SYMBOL_GPL(rt2800_disable_wpdma);
586 
rt2800_get_txwi_rxwi_size(struct rt2x00_dev * rt2x00dev,unsigned short * txwi_size,unsigned short * rxwi_size)587 void rt2800_get_txwi_rxwi_size(struct rt2x00_dev *rt2x00dev,
588 			       unsigned short *txwi_size,
589 			       unsigned short *rxwi_size)
590 {
591 	switch (rt2x00dev->chip.rt) {
592 	case RT3593:
593 		*txwi_size = TXWI_DESC_SIZE_4WORDS;
594 		*rxwi_size = RXWI_DESC_SIZE_5WORDS;
595 		break;
596 
597 	case RT5592:
598 	case RT6352:
599 		*txwi_size = TXWI_DESC_SIZE_5WORDS;
600 		*rxwi_size = RXWI_DESC_SIZE_6WORDS;
601 		break;
602 
603 	default:
604 		*txwi_size = TXWI_DESC_SIZE_4WORDS;
605 		*rxwi_size = RXWI_DESC_SIZE_4WORDS;
606 		break;
607 	}
608 }
609 EXPORT_SYMBOL_GPL(rt2800_get_txwi_rxwi_size);
610 
rt2800_check_firmware_crc(const u8 * data,const size_t len)611 static bool rt2800_check_firmware_crc(const u8 *data, const size_t len)
612 {
613 	u16 fw_crc;
614 	u16 crc;
615 
616 	/*
617 	 * The last 2 bytes in the firmware array are the crc checksum itself,
618 	 * this means that we should never pass those 2 bytes to the crc
619 	 * algorithm.
620 	 */
621 	fw_crc = (data[len - 2] << 8 | data[len - 1]);
622 
623 	/*
624 	 * Use the crc ccitt algorithm.
625 	 * This will return the same value as the legacy driver which
626 	 * used bit ordering reversion on the both the firmware bytes
627 	 * before input input as well as on the final output.
628 	 * Obviously using crc ccitt directly is much more efficient.
629 	 */
630 	crc = crc_ccitt(~0, data, len - 2);
631 
632 	/*
633 	 * There is a small difference between the crc-itu-t + bitrev and
634 	 * the crc-ccitt crc calculation. In the latter method the 2 bytes
635 	 * will be swapped, use swab16 to convert the crc to the correct
636 	 * value.
637 	 */
638 	crc = swab16(crc);
639 
640 	return fw_crc == crc;
641 }
642 
rt2800_check_firmware(struct rt2x00_dev * rt2x00dev,const u8 * data,const size_t len)643 int rt2800_check_firmware(struct rt2x00_dev *rt2x00dev,
644 			  const u8 *data, const size_t len)
645 {
646 	size_t offset = 0;
647 	size_t fw_len;
648 	bool multiple;
649 
650 	/*
651 	 * PCI(e) & SOC devices require firmware with a length
652 	 * of 8kb. USB devices require firmware files with a length
653 	 * of 4kb. Certain USB chipsets however require different firmware,
654 	 * which Ralink only provides attached to the original firmware
655 	 * file. Thus for USB devices, firmware files have a length
656 	 * which is a multiple of 4kb. The firmware for rt3290 chip also
657 	 * have a length which is a multiple of 4kb.
658 	 */
659 	if (rt2x00_is_usb(rt2x00dev) || rt2x00_rt(rt2x00dev, RT3290))
660 		fw_len = 4096;
661 	else
662 		fw_len = 8192;
663 
664 	multiple = true;
665 	/*
666 	 * Validate the firmware length
667 	 */
668 	if (len != fw_len && (!multiple || (len % fw_len) != 0))
669 		return FW_BAD_LENGTH;
670 
671 	/*
672 	 * Check if the chipset requires one of the upper parts
673 	 * of the firmware.
674 	 */
675 	if (rt2x00_is_usb(rt2x00dev) &&
676 	    !rt2x00_rt(rt2x00dev, RT2860) &&
677 	    !rt2x00_rt(rt2x00dev, RT2872) &&
678 	    !rt2x00_rt(rt2x00dev, RT3070) &&
679 	    ((len / fw_len) == 1))
680 		return FW_BAD_VERSION;
681 
682 	/*
683 	 * 8kb firmware files must be checked as if it were
684 	 * 2 separate firmware files.
685 	 */
686 	while (offset < len) {
687 		if (!rt2800_check_firmware_crc(data + offset, fw_len))
688 			return FW_BAD_CRC;
689 
690 		offset += fw_len;
691 	}
692 
693 	return FW_OK;
694 }
695 EXPORT_SYMBOL_GPL(rt2800_check_firmware);
696 
rt2800_load_firmware(struct rt2x00_dev * rt2x00dev,const u8 * data,const size_t len)697 int rt2800_load_firmware(struct rt2x00_dev *rt2x00dev,
698 			 const u8 *data, const size_t len)
699 {
700 	unsigned int i;
701 	u32 reg;
702 	int retval;
703 
704 	if (rt2x00_rt(rt2x00dev, RT3290)) {
705 		retval = rt2800_enable_wlan_rt3290(rt2x00dev);
706 		if (retval)
707 			return -EBUSY;
708 	}
709 
710 	/*
711 	 * If driver doesn't wake up firmware here,
712 	 * rt2800_load_firmware will hang forever when interface is up again.
713 	 */
714 	rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000);
715 
716 	/*
717 	 * Wait for stable hardware.
718 	 */
719 	if (rt2800_wait_csr_ready(rt2x00dev))
720 		return -EBUSY;
721 
722 	if (rt2x00_is_pci(rt2x00dev)) {
723 		if (rt2x00_rt(rt2x00dev, RT3290) ||
724 		    rt2x00_rt(rt2x00dev, RT3572) ||
725 		    rt2x00_rt(rt2x00dev, RT5390) ||
726 		    rt2x00_rt(rt2x00dev, RT5392)) {
727 			reg = rt2800_register_read(rt2x00dev, AUX_CTRL);
728 			rt2x00_set_field32(&reg, AUX_CTRL_FORCE_PCIE_CLK, 1);
729 			rt2x00_set_field32(&reg, AUX_CTRL_WAKE_PCIE_EN, 1);
730 			rt2800_register_write(rt2x00dev, AUX_CTRL, reg);
731 		}
732 		rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002);
733 	}
734 
735 	rt2800_disable_wpdma(rt2x00dev);
736 
737 	/*
738 	 * Write firmware to the device.
739 	 */
740 	rt2800_drv_write_firmware(rt2x00dev, data, len);
741 
742 	/*
743 	 * Wait for device to stabilize.
744 	 */
745 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
746 		reg = rt2800_register_read(rt2x00dev, PBF_SYS_CTRL);
747 		if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY))
748 			break;
749 		msleep(1);
750 	}
751 
752 	if (i == REGISTER_BUSY_COUNT) {
753 		rt2x00_err(rt2x00dev, "PBF system register not ready\n");
754 		return -EBUSY;
755 	}
756 
757 	/*
758 	 * Disable DMA, will be reenabled later when enabling
759 	 * the radio.
760 	 */
761 	rt2800_disable_wpdma(rt2x00dev);
762 
763 	/*
764 	 * Initialize firmware.
765 	 */
766 	rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
767 	rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
768 	if (rt2x00_is_usb(rt2x00dev)) {
769 		rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0);
770 		rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
771 	}
772 	msleep(1);
773 
774 	return 0;
775 }
776 EXPORT_SYMBOL_GPL(rt2800_load_firmware);
777 
rt2800_write_tx_data(struct queue_entry * entry,struct txentry_desc * txdesc)778 void rt2800_write_tx_data(struct queue_entry *entry,
779 			  struct txentry_desc *txdesc)
780 {
781 	__le32 *txwi = rt2800_drv_get_txwi(entry);
782 	u32 word;
783 	int i;
784 
785 	/*
786 	 * Initialize TX Info descriptor
787 	 */
788 	word = rt2x00_desc_read(txwi, 0);
789 	rt2x00_set_field32(&word, TXWI_W0_FRAG,
790 			   test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
791 	rt2x00_set_field32(&word, TXWI_W0_MIMO_PS,
792 			   test_bit(ENTRY_TXD_HT_MIMO_PS, &txdesc->flags));
793 	rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0);
794 	rt2x00_set_field32(&word, TXWI_W0_TS,
795 			   test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
796 	rt2x00_set_field32(&word, TXWI_W0_AMPDU,
797 			   test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags));
798 	rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY,
799 			   txdesc->u.ht.mpdu_density);
800 	rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->u.ht.txop);
801 	rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->u.ht.mcs);
802 	rt2x00_set_field32(&word, TXWI_W0_BW,
803 			   test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags));
804 	rt2x00_set_field32(&word, TXWI_W0_SHORT_GI,
805 			   test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags));
806 	rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->u.ht.stbc);
807 	rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode);
808 	rt2x00_desc_write(txwi, 0, word);
809 
810 	word = rt2x00_desc_read(txwi, 1);
811 	rt2x00_set_field32(&word, TXWI_W1_ACK,
812 			   test_bit(ENTRY_TXD_ACK, &txdesc->flags));
813 	rt2x00_set_field32(&word, TXWI_W1_NSEQ,
814 			   test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags));
815 	rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->u.ht.ba_size);
816 	rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID,
817 			   test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ?
818 			   txdesc->key_idx : txdesc->u.ht.wcid);
819 	rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT,
820 			   txdesc->length);
821 	rt2x00_set_field32(&word, TXWI_W1_PACKETID_QUEUE, entry->queue->qid);
822 	rt2x00_set_field32(&word, TXWI_W1_PACKETID_ENTRY, (entry->entry_idx % 3) + 1);
823 	rt2x00_desc_write(txwi, 1, word);
824 
825 	/*
826 	 * Always write 0 to IV/EIV fields (word 2 and 3), hardware will insert
827 	 * the IV from the IVEIV register when TXD_W3_WIV is set to 0.
828 	 * When TXD_W3_WIV is set to 1 it will use the IV data
829 	 * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which
830 	 * crypto entry in the registers should be used to encrypt the frame.
831 	 *
832 	 * Nulify all remaining words as well, we don't know how to program them.
833 	 */
834 	for (i = 2; i < entry->queue->winfo_size / sizeof(__le32); i++)
835 		_rt2x00_desc_write(txwi, i, 0);
836 }
837 EXPORT_SYMBOL_GPL(rt2800_write_tx_data);
838 
rt2800_agc_to_rssi(struct rt2x00_dev * rt2x00dev,u32 rxwi_w2)839 static int rt2800_agc_to_rssi(struct rt2x00_dev *rt2x00dev, u32 rxwi_w2)
840 {
841 	s8 rssi0 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI0);
842 	s8 rssi1 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI1);
843 	s8 rssi2 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI2);
844 	u16 eeprom;
845 	u8 offset0;
846 	u8 offset1;
847 	u8 offset2;
848 
849 	if (rt2x00dev->curr_band == NL80211_BAND_2GHZ) {
850 		eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG);
851 		offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET0);
852 		offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET1);
853 		eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2);
854 		offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_OFFSET2);
855 	} else {
856 		eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A);
857 		offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET0);
858 		offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET1);
859 		eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2);
860 		offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_OFFSET2);
861 	}
862 
863 	/*
864 	 * Convert the value from the descriptor into the RSSI value
865 	 * If the value in the descriptor is 0, it is considered invalid
866 	 * and the default (extremely low) rssi value is assumed
867 	 */
868 	rssi0 = (rssi0) ? (-12 - offset0 - rt2x00dev->lna_gain - rssi0) : -128;
869 	rssi1 = (rssi1) ? (-12 - offset1 - rt2x00dev->lna_gain - rssi1) : -128;
870 	rssi2 = (rssi2) ? (-12 - offset2 - rt2x00dev->lna_gain - rssi2) : -128;
871 
872 	/*
873 	 * mac80211 only accepts a single RSSI value. Calculating the
874 	 * average doesn't deliver a fair answer either since -60:-60 would
875 	 * be considered equally good as -50:-70 while the second is the one
876 	 * which gives less energy...
877 	 */
878 	rssi0 = max(rssi0, rssi1);
879 	return (int)max(rssi0, rssi2);
880 }
881 
rt2800_process_rxwi(struct queue_entry * entry,struct rxdone_entry_desc * rxdesc)882 void rt2800_process_rxwi(struct queue_entry *entry,
883 			 struct rxdone_entry_desc *rxdesc)
884 {
885 	__le32 *rxwi = (__le32 *) entry->skb->data;
886 	u32 word;
887 
888 	word = rt2x00_desc_read(rxwi, 0);
889 
890 	rxdesc->cipher = rt2x00_get_field32(word, RXWI_W0_UDF);
891 	rxdesc->size = rt2x00_get_field32(word, RXWI_W0_MPDU_TOTAL_BYTE_COUNT);
892 
893 	word = rt2x00_desc_read(rxwi, 1);
894 
895 	if (rt2x00_get_field32(word, RXWI_W1_SHORT_GI))
896 		rxdesc->enc_flags |= RX_ENC_FLAG_SHORT_GI;
897 
898 	if (rt2x00_get_field32(word, RXWI_W1_BW))
899 		rxdesc->bw = RATE_INFO_BW_40;
900 
901 	/*
902 	 * Detect RX rate, always use MCS as signal type.
903 	 */
904 	rxdesc->dev_flags |= RXDONE_SIGNAL_MCS;
905 	rxdesc->signal = rt2x00_get_field32(word, RXWI_W1_MCS);
906 	rxdesc->rate_mode = rt2x00_get_field32(word, RXWI_W1_PHYMODE);
907 
908 	/*
909 	 * Mask of 0x8 bit to remove the short preamble flag.
910 	 */
911 	if (rxdesc->rate_mode == RATE_MODE_CCK)
912 		rxdesc->signal &= ~0x8;
913 
914 	word = rt2x00_desc_read(rxwi, 2);
915 
916 	/*
917 	 * Convert descriptor AGC value to RSSI value.
918 	 */
919 	rxdesc->rssi = rt2800_agc_to_rssi(entry->queue->rt2x00dev, word);
920 	/*
921 	 * Remove RXWI descriptor from start of the buffer.
922 	 */
923 	skb_pull(entry->skb, entry->queue->winfo_size);
924 }
925 EXPORT_SYMBOL_GPL(rt2800_process_rxwi);
926 
rt2800_rate_from_status(struct skb_frame_desc * skbdesc,u32 status,enum nl80211_band band)927 static void rt2800_rate_from_status(struct skb_frame_desc *skbdesc,
928 				    u32 status, enum nl80211_band band)
929 {
930 	u8 flags = 0;
931 	u8 idx = rt2x00_get_field32(status, TX_STA_FIFO_MCS);
932 
933 	switch (rt2x00_get_field32(status, TX_STA_FIFO_PHYMODE)) {
934 	case RATE_MODE_HT_GREENFIELD:
935 		flags |= IEEE80211_TX_RC_GREEN_FIELD;
936 		/* fall through */
937 	case RATE_MODE_HT_MIX:
938 		flags |= IEEE80211_TX_RC_MCS;
939 		break;
940 	case RATE_MODE_OFDM:
941 		if (band == NL80211_BAND_2GHZ)
942 			idx += 4;
943 		break;
944 	case RATE_MODE_CCK:
945 		if (idx >= 8)
946 			idx -= 8;
947 		break;
948 	}
949 
950 	if (rt2x00_get_field32(status, TX_STA_FIFO_BW))
951 		flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
952 
953 	if (rt2x00_get_field32(status, TX_STA_FIFO_SGI))
954 		flags |= IEEE80211_TX_RC_SHORT_GI;
955 
956 	skbdesc->tx_rate_idx = idx;
957 	skbdesc->tx_rate_flags = flags;
958 }
959 
rt2800_txdone_entry(struct queue_entry * entry,u32 status,__le32 * txwi,bool match)960 void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi,
961 			 bool match)
962 {
963 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
964 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
965 	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
966 	struct txdone_entry_desc txdesc;
967 	u32 word;
968 	u16 mcs, real_mcs;
969 	int aggr, ampdu, wcid, ack_req;
970 
971 	/*
972 	 * Obtain the status about this packet.
973 	 */
974 	txdesc.flags = 0;
975 	word = rt2x00_desc_read(txwi, 0);
976 
977 	mcs = rt2x00_get_field32(word, TXWI_W0_MCS);
978 	ampdu = rt2x00_get_field32(word, TXWI_W0_AMPDU);
979 
980 	real_mcs = rt2x00_get_field32(status, TX_STA_FIFO_MCS);
981 	aggr = rt2x00_get_field32(status, TX_STA_FIFO_TX_AGGRE);
982 	wcid = rt2x00_get_field32(status, TX_STA_FIFO_WCID);
983 	ack_req	= rt2x00_get_field32(status, TX_STA_FIFO_TX_ACK_REQUIRED);
984 
985 	/*
986 	 * If a frame was meant to be sent as a single non-aggregated MPDU
987 	 * but ended up in an aggregate the used tx rate doesn't correlate
988 	 * with the one specified in the TXWI as the whole aggregate is sent
989 	 * with the same rate.
990 	 *
991 	 * For example: two frames are sent to rt2x00, the first one sets
992 	 * AMPDU=1 and requests MCS7 whereas the second frame sets AMDPU=0
993 	 * and requests MCS15. If the hw aggregates both frames into one
994 	 * AMDPU the tx status for both frames will contain MCS7 although
995 	 * the frame was sent successfully.
996 	 *
997 	 * Hence, replace the requested rate with the real tx rate to not
998 	 * confuse the rate control algortihm by providing clearly wrong
999 	 * data.
1000 	 *
1001 	 * FIXME: if we do not find matching entry, we tell that frame was
1002 	 * posted without any retries. We need to find a way to fix that
1003 	 * and provide retry count.
1004  	 */
1005 	if (unlikely((aggr == 1 && ampdu == 0 && real_mcs != mcs)) || !match) {
1006 		rt2800_rate_from_status(skbdesc, status, rt2x00dev->curr_band);
1007 		mcs = real_mcs;
1008 	}
1009 
1010 	if (aggr == 1 || ampdu == 1)
1011 		__set_bit(TXDONE_AMPDU, &txdesc.flags);
1012 
1013 	if (!ack_req)
1014 		__set_bit(TXDONE_NO_ACK_REQ, &txdesc.flags);
1015 
1016 	/*
1017 	 * Ralink has a retry mechanism using a global fallback
1018 	 * table. We setup this fallback table to try the immediate
1019 	 * lower rate for all rates. In the TX_STA_FIFO, the MCS field
1020 	 * always contains the MCS used for the last transmission, be
1021 	 * it successful or not.
1022 	 */
1023 	if (rt2x00_get_field32(status, TX_STA_FIFO_TX_SUCCESS)) {
1024 		/*
1025 		 * Transmission succeeded. The number of retries is
1026 		 * mcs - real_mcs
1027 		 */
1028 		__set_bit(TXDONE_SUCCESS, &txdesc.flags);
1029 		txdesc.retry = ((mcs > real_mcs) ? mcs - real_mcs : 0);
1030 	} else {
1031 		/*
1032 		 * Transmission failed. The number of retries is
1033 		 * always 7 in this case (for a total number of 8
1034 		 * frames sent).
1035 		 */
1036 		__set_bit(TXDONE_FAILURE, &txdesc.flags);
1037 		txdesc.retry = rt2x00dev->long_retry;
1038 	}
1039 
1040 	/*
1041 	 * the frame was retried at least once
1042 	 * -> hw used fallback rates
1043 	 */
1044 	if (txdesc.retry)
1045 		__set_bit(TXDONE_FALLBACK, &txdesc.flags);
1046 
1047 	if (!match) {
1048 		/* RCU assures non-null sta will not be freed by mac80211. */
1049 		rcu_read_lock();
1050 		if (likely(wcid >= WCID_START && wcid <= WCID_END))
1051 			skbdesc->sta = drv_data->wcid_to_sta[wcid - WCID_START];
1052 		else
1053 			skbdesc->sta = NULL;
1054 		rt2x00lib_txdone_nomatch(entry, &txdesc);
1055 		rcu_read_unlock();
1056 	} else {
1057 		rt2x00lib_txdone(entry, &txdesc);
1058 	}
1059 }
1060 EXPORT_SYMBOL_GPL(rt2800_txdone_entry);
1061 
rt2800_hw_beacon_base(struct rt2x00_dev * rt2x00dev,unsigned int index)1062 static unsigned int rt2800_hw_beacon_base(struct rt2x00_dev *rt2x00dev,
1063 					  unsigned int index)
1064 {
1065 	return HW_BEACON_BASE(index);
1066 }
1067 
rt2800_get_beacon_offset(struct rt2x00_dev * rt2x00dev,unsigned int index)1068 static inline u8 rt2800_get_beacon_offset(struct rt2x00_dev *rt2x00dev,
1069 					  unsigned int index)
1070 {
1071 	return BEACON_BASE_TO_OFFSET(rt2800_hw_beacon_base(rt2x00dev, index));
1072 }
1073 
rt2800_update_beacons_setup(struct rt2x00_dev * rt2x00dev)1074 static void rt2800_update_beacons_setup(struct rt2x00_dev *rt2x00dev)
1075 {
1076 	struct data_queue *queue = rt2x00dev->bcn;
1077 	struct queue_entry *entry;
1078 	int i, bcn_num = 0;
1079 	u64 off, reg = 0;
1080 	u32 bssid_dw1;
1081 
1082 	/*
1083 	 * Setup offsets of all active beacons in BCN_OFFSET{0,1} registers.
1084 	 */
1085 	for (i = 0; i < queue->limit; i++) {
1086 		entry = &queue->entries[i];
1087 		if (!test_bit(ENTRY_BCN_ENABLED, &entry->flags))
1088 			continue;
1089 		off = rt2800_get_beacon_offset(rt2x00dev, entry->entry_idx);
1090 		reg |= off << (8 * bcn_num);
1091 		bcn_num++;
1092 	}
1093 
1094 	rt2800_register_write(rt2x00dev, BCN_OFFSET0, (u32) reg);
1095 	rt2800_register_write(rt2x00dev, BCN_OFFSET1, (u32) (reg >> 32));
1096 
1097 	/*
1098 	 * H/W sends up to MAC_BSSID_DW1_BSS_BCN_NUM + 1 consecutive beacons.
1099 	 */
1100 	bssid_dw1 = rt2800_register_read(rt2x00dev, MAC_BSSID_DW1);
1101 	rt2x00_set_field32(&bssid_dw1, MAC_BSSID_DW1_BSS_BCN_NUM,
1102 			   bcn_num > 0 ? bcn_num - 1 : 0);
1103 	rt2800_register_write(rt2x00dev, MAC_BSSID_DW1, bssid_dw1);
1104 }
1105 
rt2800_write_beacon(struct queue_entry * entry,struct txentry_desc * txdesc)1106 void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc)
1107 {
1108 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1109 	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1110 	unsigned int beacon_base;
1111 	unsigned int padding_len;
1112 	u32 orig_reg, reg;
1113 	const int txwi_desc_size = entry->queue->winfo_size;
1114 
1115 	/*
1116 	 * Disable beaconing while we are reloading the beacon data,
1117 	 * otherwise we might be sending out invalid data.
1118 	 */
1119 	reg = rt2800_register_read(rt2x00dev, BCN_TIME_CFG);
1120 	orig_reg = reg;
1121 	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
1122 	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1123 
1124 	/*
1125 	 * Add space for the TXWI in front of the skb.
1126 	 */
1127 	memset(skb_push(entry->skb, txwi_desc_size), 0, txwi_desc_size);
1128 
1129 	/*
1130 	 * Register descriptor details in skb frame descriptor.
1131 	 */
1132 	skbdesc->flags |= SKBDESC_DESC_IN_SKB;
1133 	skbdesc->desc = entry->skb->data;
1134 	skbdesc->desc_len = txwi_desc_size;
1135 
1136 	/*
1137 	 * Add the TXWI for the beacon to the skb.
1138 	 */
1139 	rt2800_write_tx_data(entry, txdesc);
1140 
1141 	/*
1142 	 * Dump beacon to userspace through debugfs.
1143 	 */
1144 	rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry);
1145 
1146 	/*
1147 	 * Write entire beacon with TXWI and padding to register.
1148 	 */
1149 	padding_len = roundup(entry->skb->len, 4) - entry->skb->len;
1150 	if (padding_len && skb_pad(entry->skb, padding_len)) {
1151 		rt2x00_err(rt2x00dev, "Failure padding beacon, aborting\n");
1152 		/* skb freed by skb_pad() on failure */
1153 		entry->skb = NULL;
1154 		rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg);
1155 		return;
1156 	}
1157 
1158 	beacon_base = rt2800_hw_beacon_base(rt2x00dev, entry->entry_idx);
1159 
1160 	rt2800_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data,
1161 				   entry->skb->len + padding_len);
1162 	__set_bit(ENTRY_BCN_ENABLED, &entry->flags);
1163 
1164 	/*
1165 	 * Change global beacons settings.
1166 	 */
1167 	rt2800_update_beacons_setup(rt2x00dev);
1168 
1169 	/*
1170 	 * Restore beaconing state.
1171 	 */
1172 	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg);
1173 
1174 	/*
1175 	 * Clean up beacon skb.
1176 	 */
1177 	dev_kfree_skb_any(entry->skb);
1178 	entry->skb = NULL;
1179 }
1180 EXPORT_SYMBOL_GPL(rt2800_write_beacon);
1181 
rt2800_clear_beacon_register(struct rt2x00_dev * rt2x00dev,unsigned int index)1182 static inline void rt2800_clear_beacon_register(struct rt2x00_dev *rt2x00dev,
1183 						unsigned int index)
1184 {
1185 	int i;
1186 	const int txwi_desc_size = rt2x00dev->bcn->winfo_size;
1187 	unsigned int beacon_base;
1188 
1189 	beacon_base = rt2800_hw_beacon_base(rt2x00dev, index);
1190 
1191 	/*
1192 	 * For the Beacon base registers we only need to clear
1193 	 * the whole TXWI which (when set to 0) will invalidate
1194 	 * the entire beacon.
1195 	 */
1196 	for (i = 0; i < txwi_desc_size; i += sizeof(__le32))
1197 		rt2800_register_write(rt2x00dev, beacon_base + i, 0);
1198 }
1199 
rt2800_clear_beacon(struct queue_entry * entry)1200 void rt2800_clear_beacon(struct queue_entry *entry)
1201 {
1202 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1203 	u32 orig_reg, reg;
1204 
1205 	/*
1206 	 * Disable beaconing while we are reloading the beacon data,
1207 	 * otherwise we might be sending out invalid data.
1208 	 */
1209 	orig_reg = rt2800_register_read(rt2x00dev, BCN_TIME_CFG);
1210 	reg = orig_reg;
1211 	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
1212 	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1213 
1214 	/*
1215 	 * Clear beacon.
1216 	 */
1217 	rt2800_clear_beacon_register(rt2x00dev, entry->entry_idx);
1218 	__clear_bit(ENTRY_BCN_ENABLED, &entry->flags);
1219 
1220 	/*
1221 	 * Change global beacons settings.
1222 	 */
1223 	rt2800_update_beacons_setup(rt2x00dev);
1224 	/*
1225 	 * Restore beaconing state.
1226 	 */
1227 	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg);
1228 }
1229 EXPORT_SYMBOL_GPL(rt2800_clear_beacon);
1230 
1231 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1232 const struct rt2x00debug rt2800_rt2x00debug = {
1233 	.owner	= THIS_MODULE,
1234 	.csr	= {
1235 		.read		= rt2800_register_read,
1236 		.write		= rt2800_register_write,
1237 		.flags		= RT2X00DEBUGFS_OFFSET,
1238 		.word_base	= CSR_REG_BASE,
1239 		.word_size	= sizeof(u32),
1240 		.word_count	= CSR_REG_SIZE / sizeof(u32),
1241 	},
1242 	.eeprom	= {
1243 		/* NOTE: The local EEPROM access functions can't
1244 		 * be used here, use the generic versions instead.
1245 		 */
1246 		.read		= rt2x00_eeprom_read,
1247 		.write		= rt2x00_eeprom_write,
1248 		.word_base	= EEPROM_BASE,
1249 		.word_size	= sizeof(u16),
1250 		.word_count	= EEPROM_SIZE / sizeof(u16),
1251 	},
1252 	.bbp	= {
1253 		.read		= rt2800_bbp_read,
1254 		.write		= rt2800_bbp_write,
1255 		.word_base	= BBP_BASE,
1256 		.word_size	= sizeof(u8),
1257 		.word_count	= BBP_SIZE / sizeof(u8),
1258 	},
1259 	.rf	= {
1260 		.read		= rt2x00_rf_read,
1261 		.write		= rt2800_rf_write,
1262 		.word_base	= RF_BASE,
1263 		.word_size	= sizeof(u32),
1264 		.word_count	= RF_SIZE / sizeof(u32),
1265 	},
1266 	.rfcsr	= {
1267 		.read		= rt2800_rfcsr_read,
1268 		.write		= rt2800_rfcsr_write,
1269 		.word_base	= RFCSR_BASE,
1270 		.word_size	= sizeof(u8),
1271 		.word_count	= RFCSR_SIZE / sizeof(u8),
1272 	},
1273 };
1274 EXPORT_SYMBOL_GPL(rt2800_rt2x00debug);
1275 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1276 
rt2800_rfkill_poll(struct rt2x00_dev * rt2x00dev)1277 int rt2800_rfkill_poll(struct rt2x00_dev *rt2x00dev)
1278 {
1279 	u32 reg;
1280 
1281 	if (rt2x00_rt(rt2x00dev, RT3290)) {
1282 		reg = rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL);
1283 		return rt2x00_get_field32(reg, WLAN_GPIO_IN_BIT0);
1284 	} else {
1285 		reg = rt2800_register_read(rt2x00dev, GPIO_CTRL);
1286 		return rt2x00_get_field32(reg, GPIO_CTRL_VAL2);
1287 	}
1288 }
1289 EXPORT_SYMBOL_GPL(rt2800_rfkill_poll);
1290 
1291 #ifdef CONFIG_RT2X00_LIB_LEDS
rt2800_brightness_set(struct led_classdev * led_cdev,enum led_brightness brightness)1292 static void rt2800_brightness_set(struct led_classdev *led_cdev,
1293 				  enum led_brightness brightness)
1294 {
1295 	struct rt2x00_led *led =
1296 	    container_of(led_cdev, struct rt2x00_led, led_dev);
1297 	unsigned int enabled = brightness != LED_OFF;
1298 	unsigned int bg_mode =
1299 	    (enabled && led->rt2x00dev->curr_band == NL80211_BAND_2GHZ);
1300 	unsigned int polarity =
1301 		rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
1302 				   EEPROM_FREQ_LED_POLARITY);
1303 	unsigned int ledmode =
1304 		rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
1305 				   EEPROM_FREQ_LED_MODE);
1306 	u32 reg;
1307 
1308 	/* Check for SoC (SOC devices don't support MCU requests) */
1309 	if (rt2x00_is_soc(led->rt2x00dev)) {
1310 		reg = rt2800_register_read(led->rt2x00dev, LED_CFG);
1311 
1312 		/* Set LED Polarity */
1313 		rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, polarity);
1314 
1315 		/* Set LED Mode */
1316 		if (led->type == LED_TYPE_RADIO) {
1317 			rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE,
1318 					   enabled ? 3 : 0);
1319 		} else if (led->type == LED_TYPE_ASSOC) {
1320 			rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE,
1321 					   enabled ? 3 : 0);
1322 		} else if (led->type == LED_TYPE_QUALITY) {
1323 			rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE,
1324 					   enabled ? 3 : 0);
1325 		}
1326 
1327 		rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
1328 
1329 	} else {
1330 		if (led->type == LED_TYPE_RADIO) {
1331 			rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
1332 					      enabled ? 0x20 : 0);
1333 		} else if (led->type == LED_TYPE_ASSOC) {
1334 			rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
1335 					      enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
1336 		} else if (led->type == LED_TYPE_QUALITY) {
1337 			/*
1338 			 * The brightness is divided into 6 levels (0 - 5),
1339 			 * The specs tell us the following levels:
1340 			 *	0, 1 ,3, 7, 15, 31
1341 			 * to determine the level in a simple way we can simply
1342 			 * work with bitshifting:
1343 			 *	(1 << level) - 1
1344 			 */
1345 			rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
1346 					      (1 << brightness / (LED_FULL / 6)) - 1,
1347 					      polarity);
1348 		}
1349 	}
1350 }
1351 
rt2800_init_led(struct rt2x00_dev * rt2x00dev,struct rt2x00_led * led,enum led_type type)1352 static void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
1353 		     struct rt2x00_led *led, enum led_type type)
1354 {
1355 	led->rt2x00dev = rt2x00dev;
1356 	led->type = type;
1357 	led->led_dev.brightness_set = rt2800_brightness_set;
1358 	led->flags = LED_INITIALIZED;
1359 }
1360 #endif /* CONFIG_RT2X00_LIB_LEDS */
1361 
1362 /*
1363  * Configuration handlers.
1364  */
rt2800_config_wcid(struct rt2x00_dev * rt2x00dev,const u8 * address,int wcid)1365 static void rt2800_config_wcid(struct rt2x00_dev *rt2x00dev,
1366 			       const u8 *address,
1367 			       int wcid)
1368 {
1369 	struct mac_wcid_entry wcid_entry;
1370 	u32 offset;
1371 
1372 	offset = MAC_WCID_ENTRY(wcid);
1373 
1374 	memset(&wcid_entry, 0xff, sizeof(wcid_entry));
1375 	if (address)
1376 		memcpy(wcid_entry.mac, address, ETH_ALEN);
1377 
1378 	rt2800_register_multiwrite(rt2x00dev, offset,
1379 				      &wcid_entry, sizeof(wcid_entry));
1380 }
1381 
rt2800_delete_wcid_attr(struct rt2x00_dev * rt2x00dev,int wcid)1382 static void rt2800_delete_wcid_attr(struct rt2x00_dev *rt2x00dev, int wcid)
1383 {
1384 	u32 offset;
1385 	offset = MAC_WCID_ATTR_ENTRY(wcid);
1386 	rt2800_register_write(rt2x00dev, offset, 0);
1387 }
1388 
rt2800_config_wcid_attr_bssidx(struct rt2x00_dev * rt2x00dev,int wcid,u32 bssidx)1389 static void rt2800_config_wcid_attr_bssidx(struct rt2x00_dev *rt2x00dev,
1390 					   int wcid, u32 bssidx)
1391 {
1392 	u32 offset = MAC_WCID_ATTR_ENTRY(wcid);
1393 	u32 reg;
1394 
1395 	/*
1396 	 * The BSS Idx numbers is split in a main value of 3 bits,
1397 	 * and a extended field for adding one additional bit to the value.
1398 	 */
1399 	reg = rt2800_register_read(rt2x00dev, offset);
1400 	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX, (bssidx & 0x7));
1401 	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX_EXT,
1402 			   (bssidx & 0x8) >> 3);
1403 	rt2800_register_write(rt2x00dev, offset, reg);
1404 }
1405 
rt2800_config_wcid_attr_cipher(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_crypto * crypto,struct ieee80211_key_conf * key)1406 static void rt2800_config_wcid_attr_cipher(struct rt2x00_dev *rt2x00dev,
1407 					   struct rt2x00lib_crypto *crypto,
1408 					   struct ieee80211_key_conf *key)
1409 {
1410 	struct mac_iveiv_entry iveiv_entry;
1411 	u32 offset;
1412 	u32 reg;
1413 
1414 	offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
1415 
1416 	if (crypto->cmd == SET_KEY) {
1417 		reg = rt2800_register_read(rt2x00dev, offset);
1418 		rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
1419 				   !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
1420 		/*
1421 		 * Both the cipher as the BSS Idx numbers are split in a main
1422 		 * value of 3 bits, and a extended field for adding one additional
1423 		 * bit to the value.
1424 		 */
1425 		rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER,
1426 				   (crypto->cipher & 0x7));
1427 		rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER_EXT,
1428 				   (crypto->cipher & 0x8) >> 3);
1429 		rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
1430 		rt2800_register_write(rt2x00dev, offset, reg);
1431 	} else {
1432 		/* Delete the cipher without touching the bssidx */
1433 		reg = rt2800_register_read(rt2x00dev, offset);
1434 		rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB, 0);
1435 		rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER, 0);
1436 		rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER_EXT, 0);
1437 		rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, 0);
1438 		rt2800_register_write(rt2x00dev, offset, reg);
1439 	}
1440 
1441 	offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
1442 
1443 	memset(&iveiv_entry, 0, sizeof(iveiv_entry));
1444 	if ((crypto->cipher == CIPHER_TKIP) ||
1445 	    (crypto->cipher == CIPHER_TKIP_NO_MIC) ||
1446 	    (crypto->cipher == CIPHER_AES))
1447 		iveiv_entry.iv[3] |= 0x20;
1448 	iveiv_entry.iv[3] |= key->keyidx << 6;
1449 	rt2800_register_multiwrite(rt2x00dev, offset,
1450 				      &iveiv_entry, sizeof(iveiv_entry));
1451 }
1452 
rt2800_config_shared_key(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_crypto * crypto,struct ieee80211_key_conf * key)1453 int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev,
1454 			     struct rt2x00lib_crypto *crypto,
1455 			     struct ieee80211_key_conf *key)
1456 {
1457 	struct hw_key_entry key_entry;
1458 	struct rt2x00_field32 field;
1459 	u32 offset;
1460 	u32 reg;
1461 
1462 	if (crypto->cmd == SET_KEY) {
1463 		key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx;
1464 
1465 		memcpy(key_entry.key, crypto->key,
1466 		       sizeof(key_entry.key));
1467 		memcpy(key_entry.tx_mic, crypto->tx_mic,
1468 		       sizeof(key_entry.tx_mic));
1469 		memcpy(key_entry.rx_mic, crypto->rx_mic,
1470 		       sizeof(key_entry.rx_mic));
1471 
1472 		offset = SHARED_KEY_ENTRY(key->hw_key_idx);
1473 		rt2800_register_multiwrite(rt2x00dev, offset,
1474 					      &key_entry, sizeof(key_entry));
1475 	}
1476 
1477 	/*
1478 	 * The cipher types are stored over multiple registers
1479 	 * starting with SHARED_KEY_MODE_BASE each word will have
1480 	 * 32 bits and contains the cipher types for 2 bssidx each.
1481 	 * Using the correct defines correctly will cause overhead,
1482 	 * so just calculate the correct offset.
1483 	 */
1484 	field.bit_offset = 4 * (key->hw_key_idx % 8);
1485 	field.bit_mask = 0x7 << field.bit_offset;
1486 
1487 	offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
1488 
1489 	reg = rt2800_register_read(rt2x00dev, offset);
1490 	rt2x00_set_field32(&reg, field,
1491 			   (crypto->cmd == SET_KEY) * crypto->cipher);
1492 	rt2800_register_write(rt2x00dev, offset, reg);
1493 
1494 	/*
1495 	 * Update WCID information
1496 	 */
1497 	rt2800_config_wcid(rt2x00dev, crypto->address, key->hw_key_idx);
1498 	rt2800_config_wcid_attr_bssidx(rt2x00dev, key->hw_key_idx,
1499 				       crypto->bssidx);
1500 	rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
1501 
1502 	return 0;
1503 }
1504 EXPORT_SYMBOL_GPL(rt2800_config_shared_key);
1505 
rt2800_config_pairwise_key(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_crypto * crypto,struct ieee80211_key_conf * key)1506 int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
1507 			       struct rt2x00lib_crypto *crypto,
1508 			       struct ieee80211_key_conf *key)
1509 {
1510 	struct hw_key_entry key_entry;
1511 	u32 offset;
1512 
1513 	if (crypto->cmd == SET_KEY) {
1514 		/*
1515 		 * Allow key configuration only for STAs that are
1516 		 * known by the hw.
1517 		 */
1518 		if (crypto->wcid > WCID_END)
1519 			return -ENOSPC;
1520 		key->hw_key_idx = crypto->wcid;
1521 
1522 		memcpy(key_entry.key, crypto->key,
1523 		       sizeof(key_entry.key));
1524 		memcpy(key_entry.tx_mic, crypto->tx_mic,
1525 		       sizeof(key_entry.tx_mic));
1526 		memcpy(key_entry.rx_mic, crypto->rx_mic,
1527 		       sizeof(key_entry.rx_mic));
1528 
1529 		offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
1530 		rt2800_register_multiwrite(rt2x00dev, offset,
1531 					      &key_entry, sizeof(key_entry));
1532 	}
1533 
1534 	/*
1535 	 * Update WCID information
1536 	 */
1537 	rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
1538 
1539 	return 0;
1540 }
1541 EXPORT_SYMBOL_GPL(rt2800_config_pairwise_key);
1542 
rt2800_set_max_psdu_len(struct rt2x00_dev * rt2x00dev)1543 static void rt2800_set_max_psdu_len(struct rt2x00_dev *rt2x00dev)
1544 {
1545 	u8 i, max_psdu;
1546 	u32 reg;
1547 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
1548 
1549 	for (i = 0; i < 3; i++)
1550 		if (drv_data->ampdu_factor_cnt[i] > 0)
1551 			break;
1552 
1553 	max_psdu = min(drv_data->max_psdu, i);
1554 
1555 	reg = rt2800_register_read(rt2x00dev, MAX_LEN_CFG);
1556 	rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, max_psdu);
1557 	rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
1558 }
1559 
rt2800_sta_add(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)1560 int rt2800_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1561 		   struct ieee80211_sta *sta)
1562 {
1563 	struct rt2x00_dev *rt2x00dev = hw->priv;
1564 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
1565 	struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta);
1566 	int wcid;
1567 
1568 	/*
1569 	 * Limit global maximum TX AMPDU length to smallest value of all
1570 	 * connected stations. In AP mode this can be suboptimal, but we
1571 	 * do not have a choice if some connected STA is not capable to
1572 	 * receive the same amount of data like the others.
1573 	 */
1574 	if (sta->ht_cap.ht_supported) {
1575 		drv_data->ampdu_factor_cnt[sta->ht_cap.ampdu_factor & 3]++;
1576 		rt2800_set_max_psdu_len(rt2x00dev);
1577 	}
1578 
1579 	/*
1580 	 * Search for the first free WCID entry and return the corresponding
1581 	 * index.
1582 	 */
1583 	wcid = find_first_zero_bit(drv_data->sta_ids, STA_IDS_SIZE) + WCID_START;
1584 
1585 	/*
1586 	 * Store selected wcid even if it is invalid so that we can
1587 	 * later decide if the STA is uploaded into the hw.
1588 	 */
1589 	sta_priv->wcid = wcid;
1590 
1591 	/*
1592 	 * No space left in the device, however, we can still communicate
1593 	 * with the STA -> No error.
1594 	 */
1595 	if (wcid > WCID_END)
1596 		return 0;
1597 
1598 	__set_bit(wcid - WCID_START, drv_data->sta_ids);
1599 	drv_data->wcid_to_sta[wcid - WCID_START] = sta;
1600 
1601 	/*
1602 	 * Clean up WCID attributes and write STA address to the device.
1603 	 */
1604 	rt2800_delete_wcid_attr(rt2x00dev, wcid);
1605 	rt2800_config_wcid(rt2x00dev, sta->addr, wcid);
1606 	rt2800_config_wcid_attr_bssidx(rt2x00dev, wcid,
1607 				       rt2x00lib_get_bssidx(rt2x00dev, vif));
1608 	return 0;
1609 }
1610 EXPORT_SYMBOL_GPL(rt2800_sta_add);
1611 
rt2800_sta_remove(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)1612 int rt2800_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1613 		      struct ieee80211_sta *sta)
1614 {
1615 	struct rt2x00_dev *rt2x00dev = hw->priv;
1616 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
1617 	struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta);
1618 	int wcid = sta_priv->wcid;
1619 
1620 	if (sta->ht_cap.ht_supported) {
1621 		drv_data->ampdu_factor_cnt[sta->ht_cap.ampdu_factor & 3]--;
1622 		rt2800_set_max_psdu_len(rt2x00dev);
1623 	}
1624 
1625 	if (wcid > WCID_END)
1626 		return 0;
1627 	/*
1628 	 * Remove WCID entry, no need to clean the attributes as they will
1629 	 * get renewed when the WCID is reused.
1630 	 */
1631 	rt2800_config_wcid(rt2x00dev, NULL, wcid);
1632 	drv_data->wcid_to_sta[wcid - WCID_START] = NULL;
1633 	__clear_bit(wcid - WCID_START, drv_data->sta_ids);
1634 
1635 	return 0;
1636 }
1637 EXPORT_SYMBOL_GPL(rt2800_sta_remove);
1638 
rt2800_config_filter(struct rt2x00_dev * rt2x00dev,const unsigned int filter_flags)1639 void rt2800_config_filter(struct rt2x00_dev *rt2x00dev,
1640 			  const unsigned int filter_flags)
1641 {
1642 	u32 reg;
1643 
1644 	/*
1645 	 * Start configuration steps.
1646 	 * Note that the version error will always be dropped
1647 	 * and broadcast frames will always be accepted since
1648 	 * there is no filter for it at this time.
1649 	 */
1650 	reg = rt2800_register_read(rt2x00dev, RX_FILTER_CFG);
1651 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CRC_ERROR,
1652 			   !(filter_flags & FIF_FCSFAIL));
1653 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PHY_ERROR,
1654 			   !(filter_flags & FIF_PLCPFAIL));
1655 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_TO_ME,
1656 			   !test_bit(CONFIG_MONITORING, &rt2x00dev->flags));
1657 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0);
1658 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_VER_ERROR, 1);
1659 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_MULTICAST,
1660 			   !(filter_flags & FIF_ALLMULTI));
1661 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BROADCAST, 0);
1662 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_DUPLICATE, 1);
1663 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END_ACK,
1664 			   !(filter_flags & FIF_CONTROL));
1665 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END,
1666 			   !(filter_flags & FIF_CONTROL));
1667 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_ACK,
1668 			   !(filter_flags & FIF_CONTROL));
1669 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CTS,
1670 			   !(filter_flags & FIF_CONTROL));
1671 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_RTS,
1672 			   !(filter_flags & FIF_CONTROL));
1673 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PSPOLL,
1674 			   !(filter_flags & FIF_PSPOLL));
1675 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BA, 0);
1676 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR,
1677 			   !(filter_flags & FIF_CONTROL));
1678 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
1679 			   !(filter_flags & FIF_CONTROL));
1680 	rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg);
1681 }
1682 EXPORT_SYMBOL_GPL(rt2800_config_filter);
1683 
rt2800_config_intf(struct rt2x00_dev * rt2x00dev,struct rt2x00_intf * intf,struct rt2x00intf_conf * conf,const unsigned int flags)1684 void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf,
1685 			struct rt2x00intf_conf *conf, const unsigned int flags)
1686 {
1687 	u32 reg;
1688 	bool update_bssid = false;
1689 
1690 	if (flags & CONFIG_UPDATE_TYPE) {
1691 		/*
1692 		 * Enable synchronisation.
1693 		 */
1694 		reg = rt2800_register_read(rt2x00dev, BCN_TIME_CFG);
1695 		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
1696 		rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1697 
1698 		if (conf->sync == TSF_SYNC_AP_NONE) {
1699 			/*
1700 			 * Tune beacon queue transmit parameters for AP mode
1701 			 */
1702 			reg = rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG);
1703 			rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_CWMIN, 0);
1704 			rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_AIFSN, 1);
1705 			rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1706 			rt2x00_set_field32(&reg, TBTT_SYNC_CFG_TBTT_ADJUST, 0);
1707 			rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1708 		} else {
1709 			reg = rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG);
1710 			rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_CWMIN, 4);
1711 			rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_AIFSN, 2);
1712 			rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1713 			rt2x00_set_field32(&reg, TBTT_SYNC_CFG_TBTT_ADJUST, 16);
1714 			rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1715 		}
1716 	}
1717 
1718 	if (flags & CONFIG_UPDATE_MAC) {
1719 		if (flags & CONFIG_UPDATE_TYPE &&
1720 		    conf->sync == TSF_SYNC_AP_NONE) {
1721 			/*
1722 			 * The BSSID register has to be set to our own mac
1723 			 * address in AP mode.
1724 			 */
1725 			memcpy(conf->bssid, conf->mac, sizeof(conf->mac));
1726 			update_bssid = true;
1727 		}
1728 
1729 		if (!is_zero_ether_addr((const u8 *)conf->mac)) {
1730 			reg = le32_to_cpu(conf->mac[1]);
1731 			rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
1732 			conf->mac[1] = cpu_to_le32(reg);
1733 		}
1734 
1735 		rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
1736 					      conf->mac, sizeof(conf->mac));
1737 	}
1738 
1739 	if ((flags & CONFIG_UPDATE_BSSID) || update_bssid) {
1740 		if (!is_zero_ether_addr((const u8 *)conf->bssid)) {
1741 			reg = le32_to_cpu(conf->bssid[1]);
1742 			rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_ID_MASK, 3);
1743 			rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 0);
1744 			conf->bssid[1] = cpu_to_le32(reg);
1745 		}
1746 
1747 		rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
1748 					      conf->bssid, sizeof(conf->bssid));
1749 	}
1750 }
1751 EXPORT_SYMBOL_GPL(rt2800_config_intf);
1752 
rt2800_config_ht_opmode(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_erp * erp)1753 static void rt2800_config_ht_opmode(struct rt2x00_dev *rt2x00dev,
1754 				    struct rt2x00lib_erp *erp)
1755 {
1756 	bool any_sta_nongf = !!(erp->ht_opmode &
1757 				IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
1758 	u8 protection = erp->ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION;
1759 	u8 mm20_mode, mm40_mode, gf20_mode, gf40_mode;
1760 	u16 mm20_rate, mm40_rate, gf20_rate, gf40_rate;
1761 	u32 reg;
1762 
1763 	/* default protection rate for HT20: OFDM 24M */
1764 	mm20_rate = gf20_rate = 0x4004;
1765 
1766 	/* default protection rate for HT40: duplicate OFDM 24M */
1767 	mm40_rate = gf40_rate = 0x4084;
1768 
1769 	switch (protection) {
1770 	case IEEE80211_HT_OP_MODE_PROTECTION_NONE:
1771 		/*
1772 		 * All STAs in this BSS are HT20/40 but there might be
1773 		 * STAs not supporting greenfield mode.
1774 		 * => Disable protection for HT transmissions.
1775 		 */
1776 		mm20_mode = mm40_mode = gf20_mode = gf40_mode = 0;
1777 
1778 		break;
1779 	case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ:
1780 		/*
1781 		 * All STAs in this BSS are HT20 or HT20/40 but there
1782 		 * might be STAs not supporting greenfield mode.
1783 		 * => Protect all HT40 transmissions.
1784 		 */
1785 		mm20_mode = gf20_mode = 0;
1786 		mm40_mode = gf40_mode = 1;
1787 
1788 		break;
1789 	case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER:
1790 		/*
1791 		 * Nonmember protection:
1792 		 * According to 802.11n we _should_ protect all
1793 		 * HT transmissions (but we don't have to).
1794 		 *
1795 		 * But if cts_protection is enabled we _shall_ protect
1796 		 * all HT transmissions using a CCK rate.
1797 		 *
1798 		 * And if any station is non GF we _shall_ protect
1799 		 * GF transmissions.
1800 		 *
1801 		 * We decide to protect everything
1802 		 * -> fall through to mixed mode.
1803 		 */
1804 	case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED:
1805 		/*
1806 		 * Legacy STAs are present
1807 		 * => Protect all HT transmissions.
1808 		 */
1809 		mm20_mode = mm40_mode = gf20_mode = gf40_mode = 1;
1810 
1811 		/*
1812 		 * If erp protection is needed we have to protect HT
1813 		 * transmissions with CCK 11M long preamble.
1814 		 */
1815 		if (erp->cts_protection) {
1816 			/* don't duplicate RTS/CTS in CCK mode */
1817 			mm20_rate = mm40_rate = 0x0003;
1818 			gf20_rate = gf40_rate = 0x0003;
1819 		}
1820 		break;
1821 	}
1822 
1823 	/* check for STAs not supporting greenfield mode */
1824 	if (any_sta_nongf)
1825 		gf20_mode = gf40_mode = 1;
1826 
1827 	/* Update HT protection config */
1828 	reg = rt2800_register_read(rt2x00dev, MM20_PROT_CFG);
1829 	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, mm20_rate);
1830 	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, mm20_mode);
1831 	rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
1832 
1833 	reg = rt2800_register_read(rt2x00dev, MM40_PROT_CFG);
1834 	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, mm40_rate);
1835 	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, mm40_mode);
1836 	rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
1837 
1838 	reg = rt2800_register_read(rt2x00dev, GF20_PROT_CFG);
1839 	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, gf20_rate);
1840 	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, gf20_mode);
1841 	rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
1842 
1843 	reg = rt2800_register_read(rt2x00dev, GF40_PROT_CFG);
1844 	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, gf40_rate);
1845 	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, gf40_mode);
1846 	rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
1847 }
1848 
rt2800_config_erp(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_erp * erp,u32 changed)1849 void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp,
1850 		       u32 changed)
1851 {
1852 	u32 reg;
1853 
1854 	if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1855 		reg = rt2800_register_read(rt2x00dev, AUTO_RSP_CFG);
1856 		rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE,
1857 				   !!erp->short_preamble);
1858 		rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
1859 	}
1860 
1861 	if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1862 		reg = rt2800_register_read(rt2x00dev, OFDM_PROT_CFG);
1863 		rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL,
1864 				   erp->cts_protection ? 2 : 0);
1865 		rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
1866 	}
1867 
1868 	if (changed & BSS_CHANGED_BASIC_RATES) {
1869 		rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE,
1870 				      0xff0 | erp->basic_rates);
1871 		rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
1872 	}
1873 
1874 	if (changed & BSS_CHANGED_ERP_SLOT) {
1875 		reg = rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG);
1876 		rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME,
1877 				   erp->slot_time);
1878 		rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
1879 
1880 		reg = rt2800_register_read(rt2x00dev, XIFS_TIME_CFG);
1881 		rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
1882 		rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
1883 	}
1884 
1885 	if (changed & BSS_CHANGED_BEACON_INT) {
1886 		reg = rt2800_register_read(rt2x00dev, BCN_TIME_CFG);
1887 		rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
1888 				   erp->beacon_int * 16);
1889 		rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1890 	}
1891 
1892 	if (changed & BSS_CHANGED_HT)
1893 		rt2800_config_ht_opmode(rt2x00dev, erp);
1894 }
1895 EXPORT_SYMBOL_GPL(rt2800_config_erp);
1896 
rt2800_config_3572bt_ant(struct rt2x00_dev * rt2x00dev)1897 static void rt2800_config_3572bt_ant(struct rt2x00_dev *rt2x00dev)
1898 {
1899 	u32 reg;
1900 	u16 eeprom;
1901 	u8 led_ctrl, led_g_mode, led_r_mode;
1902 
1903 	reg = rt2800_register_read(rt2x00dev, GPIO_SWITCH);
1904 	if (rt2x00dev->curr_band == NL80211_BAND_5GHZ) {
1905 		rt2x00_set_field32(&reg, GPIO_SWITCH_0, 1);
1906 		rt2x00_set_field32(&reg, GPIO_SWITCH_1, 1);
1907 	} else {
1908 		rt2x00_set_field32(&reg, GPIO_SWITCH_0, 0);
1909 		rt2x00_set_field32(&reg, GPIO_SWITCH_1, 0);
1910 	}
1911 	rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
1912 
1913 	reg = rt2800_register_read(rt2x00dev, LED_CFG);
1914 	led_g_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 3 : 0;
1915 	led_r_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 0 : 3;
1916 	if (led_g_mode != rt2x00_get_field32(reg, LED_CFG_G_LED_MODE) ||
1917 	    led_r_mode != rt2x00_get_field32(reg, LED_CFG_R_LED_MODE)) {
1918 		eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_FREQ);
1919 		led_ctrl = rt2x00_get_field16(eeprom, EEPROM_FREQ_LED_MODE);
1920 		if (led_ctrl == 0 || led_ctrl > 0x40) {
1921 			rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, led_g_mode);
1922 			rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, led_r_mode);
1923 			rt2800_register_write(rt2x00dev, LED_CFG, reg);
1924 		} else {
1925 			rt2800_mcu_request(rt2x00dev, MCU_BAND_SELECT, 0xff,
1926 					   (led_g_mode << 2) | led_r_mode, 1);
1927 		}
1928 	}
1929 }
1930 
rt2800_set_ant_diversity(struct rt2x00_dev * rt2x00dev,enum antenna ant)1931 static void rt2800_set_ant_diversity(struct rt2x00_dev *rt2x00dev,
1932 				     enum antenna ant)
1933 {
1934 	u32 reg;
1935 	u8 eesk_pin = (ant == ANTENNA_A) ? 1 : 0;
1936 	u8 gpio_bit3 = (ant == ANTENNA_A) ? 0 : 1;
1937 
1938 	if (rt2x00_is_pci(rt2x00dev)) {
1939 		reg = rt2800_register_read(rt2x00dev, E2PROM_CSR);
1940 		rt2x00_set_field32(&reg, E2PROM_CSR_DATA_CLOCK, eesk_pin);
1941 		rt2800_register_write(rt2x00dev, E2PROM_CSR, reg);
1942 	} else if (rt2x00_is_usb(rt2x00dev))
1943 		rt2800_mcu_request(rt2x00dev, MCU_ANT_SELECT, 0xff,
1944 				   eesk_pin, 0);
1945 
1946 	reg = rt2800_register_read(rt2x00dev, GPIO_CTRL);
1947 	rt2x00_set_field32(&reg, GPIO_CTRL_DIR3, 0);
1948 	rt2x00_set_field32(&reg, GPIO_CTRL_VAL3, gpio_bit3);
1949 	rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
1950 }
1951 
rt2800_config_ant(struct rt2x00_dev * rt2x00dev,struct antenna_setup * ant)1952 void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant)
1953 {
1954 	u8 r1;
1955 	u8 r3;
1956 	u16 eeprom;
1957 
1958 	r1 = rt2800_bbp_read(rt2x00dev, 1);
1959 	r3 = rt2800_bbp_read(rt2x00dev, 3);
1960 
1961 	if (rt2x00_rt(rt2x00dev, RT3572) &&
1962 	    rt2x00_has_cap_bt_coexist(rt2x00dev))
1963 		rt2800_config_3572bt_ant(rt2x00dev);
1964 
1965 	/*
1966 	 * Configure the TX antenna.
1967 	 */
1968 	switch (ant->tx_chain_num) {
1969 	case 1:
1970 		rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
1971 		break;
1972 	case 2:
1973 		if (rt2x00_rt(rt2x00dev, RT3572) &&
1974 		    rt2x00_has_cap_bt_coexist(rt2x00dev))
1975 			rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 1);
1976 		else
1977 			rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
1978 		break;
1979 	case 3:
1980 		rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
1981 		break;
1982 	}
1983 
1984 	/*
1985 	 * Configure the RX antenna.
1986 	 */
1987 	switch (ant->rx_chain_num) {
1988 	case 1:
1989 		if (rt2x00_rt(rt2x00dev, RT3070) ||
1990 		    rt2x00_rt(rt2x00dev, RT3090) ||
1991 		    rt2x00_rt(rt2x00dev, RT3352) ||
1992 		    rt2x00_rt(rt2x00dev, RT3390)) {
1993 			eeprom = rt2800_eeprom_read(rt2x00dev,
1994 						    EEPROM_NIC_CONF1);
1995 			if (rt2x00_get_field16(eeprom,
1996 						EEPROM_NIC_CONF1_ANT_DIVERSITY))
1997 				rt2800_set_ant_diversity(rt2x00dev,
1998 						rt2x00dev->default_ant.rx);
1999 		}
2000 		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
2001 		break;
2002 	case 2:
2003 		if (rt2x00_rt(rt2x00dev, RT3572) &&
2004 		    rt2x00_has_cap_bt_coexist(rt2x00dev)) {
2005 			rt2x00_set_field8(&r3, BBP3_RX_ADC, 1);
2006 			rt2x00_set_field8(&r3, BBP3_RX_ANTENNA,
2007 				rt2x00dev->curr_band == NL80211_BAND_5GHZ);
2008 			rt2800_set_ant_diversity(rt2x00dev, ANTENNA_B);
2009 		} else {
2010 			rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
2011 		}
2012 		break;
2013 	case 3:
2014 		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
2015 		break;
2016 	}
2017 
2018 	rt2800_bbp_write(rt2x00dev, 3, r3);
2019 	rt2800_bbp_write(rt2x00dev, 1, r1);
2020 
2021 	if (rt2x00_rt(rt2x00dev, RT3593)) {
2022 		if (ant->rx_chain_num == 1)
2023 			rt2800_bbp_write(rt2x00dev, 86, 0x00);
2024 		else
2025 			rt2800_bbp_write(rt2x00dev, 86, 0x46);
2026 	}
2027 }
2028 EXPORT_SYMBOL_GPL(rt2800_config_ant);
2029 
rt2800_config_lna_gain(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_conf * libconf)2030 static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev,
2031 				   struct rt2x00lib_conf *libconf)
2032 {
2033 	u16 eeprom;
2034 	short lna_gain;
2035 
2036 	if (libconf->rf.channel <= 14) {
2037 		eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_LNA);
2038 		lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG);
2039 	} else if (libconf->rf.channel <= 64) {
2040 		eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_LNA);
2041 		lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
2042 	} else if (libconf->rf.channel <= 128) {
2043 		if (rt2x00_rt(rt2x00dev, RT3593)) {
2044 			eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2);
2045 			lna_gain = rt2x00_get_field16(eeprom,
2046 						      EEPROM_EXT_LNA2_A1);
2047 		} else {
2048 			eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2);
2049 			lna_gain = rt2x00_get_field16(eeprom,
2050 						      EEPROM_RSSI_BG2_LNA_A1);
2051 		}
2052 	} else {
2053 		if (rt2x00_rt(rt2x00dev, RT3593)) {
2054 			eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2);
2055 			lna_gain = rt2x00_get_field16(eeprom,
2056 						      EEPROM_EXT_LNA2_A2);
2057 		} else {
2058 			eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2);
2059 			lna_gain = rt2x00_get_field16(eeprom,
2060 						      EEPROM_RSSI_A2_LNA_A2);
2061 		}
2062 	}
2063 
2064 	rt2x00dev->lna_gain = lna_gain;
2065 }
2066 
rt2800_clk_is_20mhz(struct rt2x00_dev * rt2x00dev)2067 static inline bool rt2800_clk_is_20mhz(struct rt2x00_dev *rt2x00dev)
2068 {
2069 	return clk_get_rate(rt2x00dev->clk) == 20000000;
2070 }
2071 
2072 #define FREQ_OFFSET_BOUND	0x5f
2073 
rt2800_freq_cal_mode1(struct rt2x00_dev * rt2x00dev)2074 static void rt2800_freq_cal_mode1(struct rt2x00_dev *rt2x00dev)
2075 {
2076 	u8 freq_offset, prev_freq_offset;
2077 	u8 rfcsr, prev_rfcsr;
2078 
2079 	freq_offset = rt2x00_get_field8(rt2x00dev->freq_offset, RFCSR17_CODE);
2080 	freq_offset = min_t(u8, freq_offset, FREQ_OFFSET_BOUND);
2081 
2082 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 17);
2083 	prev_rfcsr = rfcsr;
2084 
2085 	rt2x00_set_field8(&rfcsr, RFCSR17_CODE, freq_offset);
2086 	if (rfcsr == prev_rfcsr)
2087 		return;
2088 
2089 	if (rt2x00_is_usb(rt2x00dev)) {
2090 		rt2800_mcu_request(rt2x00dev, MCU_FREQ_OFFSET, 0xff,
2091 				   freq_offset, prev_rfcsr);
2092 		return;
2093 	}
2094 
2095 	prev_freq_offset = rt2x00_get_field8(prev_rfcsr, RFCSR17_CODE);
2096 	while (prev_freq_offset != freq_offset) {
2097 		if (prev_freq_offset < freq_offset)
2098 			prev_freq_offset++;
2099 		else
2100 			prev_freq_offset--;
2101 
2102 		rt2x00_set_field8(&rfcsr, RFCSR17_CODE, prev_freq_offset);
2103 		rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
2104 
2105 		usleep_range(1000, 1500);
2106 	}
2107 }
2108 
rt2800_config_channel_rf2xxx(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2109 static void rt2800_config_channel_rf2xxx(struct rt2x00_dev *rt2x00dev,
2110 					 struct ieee80211_conf *conf,
2111 					 struct rf_channel *rf,
2112 					 struct channel_info *info)
2113 {
2114 	rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
2115 
2116 	if (rt2x00dev->default_ant.tx_chain_num == 1)
2117 		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
2118 
2119 	if (rt2x00dev->default_ant.rx_chain_num == 1) {
2120 		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
2121 		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
2122 	} else if (rt2x00dev->default_ant.rx_chain_num == 2)
2123 		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
2124 
2125 	if (rf->channel > 14) {
2126 		/*
2127 		 * When TX power is below 0, we should increase it by 7 to
2128 		 * make it a positive value (Minimum value is -7).
2129 		 * However this means that values between 0 and 7 have
2130 		 * double meaning, and we should set a 7DBm boost flag.
2131 		 */
2132 		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
2133 				   (info->default_power1 >= 0));
2134 
2135 		if (info->default_power1 < 0)
2136 			info->default_power1 += 7;
2137 
2138 		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A, info->default_power1);
2139 
2140 		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
2141 				   (info->default_power2 >= 0));
2142 
2143 		if (info->default_power2 < 0)
2144 			info->default_power2 += 7;
2145 
2146 		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A, info->default_power2);
2147 	} else {
2148 		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G, info->default_power1);
2149 		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G, info->default_power2);
2150 	}
2151 
2152 	rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
2153 
2154 	rt2800_rf_write(rt2x00dev, 1, rf->rf1);
2155 	rt2800_rf_write(rt2x00dev, 2, rf->rf2);
2156 	rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
2157 	rt2800_rf_write(rt2x00dev, 4, rf->rf4);
2158 
2159 	udelay(200);
2160 
2161 	rt2800_rf_write(rt2x00dev, 1, rf->rf1);
2162 	rt2800_rf_write(rt2x00dev, 2, rf->rf2);
2163 	rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
2164 	rt2800_rf_write(rt2x00dev, 4, rf->rf4);
2165 
2166 	udelay(200);
2167 
2168 	rt2800_rf_write(rt2x00dev, 1, rf->rf1);
2169 	rt2800_rf_write(rt2x00dev, 2, rf->rf2);
2170 	rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
2171 	rt2800_rf_write(rt2x00dev, 4, rf->rf4);
2172 }
2173 
rt2800_config_channel_rf3xxx(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2174 static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev,
2175 					 struct ieee80211_conf *conf,
2176 					 struct rf_channel *rf,
2177 					 struct channel_info *info)
2178 {
2179 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
2180 	u8 rfcsr, calib_tx, calib_rx;
2181 
2182 	rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
2183 
2184 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 3);
2185 	rt2x00_set_field8(&rfcsr, RFCSR3_K, rf->rf3);
2186 	rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
2187 
2188 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 6);
2189 	rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
2190 	rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
2191 
2192 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 12);
2193 	rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, info->default_power1);
2194 	rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
2195 
2196 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 13);
2197 	rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, info->default_power2);
2198 	rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
2199 
2200 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
2201 	rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
2202 	rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD,
2203 			  rt2x00dev->default_ant.rx_chain_num <= 1);
2204 	rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD,
2205 			  rt2x00dev->default_ant.rx_chain_num <= 2);
2206 	rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
2207 	rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD,
2208 			  rt2x00dev->default_ant.tx_chain_num <= 1);
2209 	rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD,
2210 			  rt2x00dev->default_ant.tx_chain_num <= 2);
2211 	rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2212 
2213 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 23);
2214 	rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
2215 	rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
2216 
2217 	if (rt2x00_rt(rt2x00dev, RT3390)) {
2218 		calib_tx = conf_is_ht40(conf) ? 0x68 : 0x4f;
2219 		calib_rx = conf_is_ht40(conf) ? 0x6f : 0x4f;
2220 	} else {
2221 		if (conf_is_ht40(conf)) {
2222 			calib_tx = drv_data->calibration_bw40;
2223 			calib_rx = drv_data->calibration_bw40;
2224 		} else {
2225 			calib_tx = drv_data->calibration_bw20;
2226 			calib_rx = drv_data->calibration_bw20;
2227 		}
2228 	}
2229 
2230 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 24);
2231 	rt2x00_set_field8(&rfcsr, RFCSR24_TX_CALIB, calib_tx);
2232 	rt2800_rfcsr_write(rt2x00dev, 24, rfcsr);
2233 
2234 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 31);
2235 	rt2x00_set_field8(&rfcsr, RFCSR31_RX_CALIB, calib_rx);
2236 	rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
2237 
2238 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 7);
2239 	rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
2240 	rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
2241 
2242 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 30);
2243 	rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
2244 	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2245 
2246 	usleep_range(1000, 1500);
2247 
2248 	rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
2249 	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2250 }
2251 
rt2800_config_channel_rf3052(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2252 static void rt2800_config_channel_rf3052(struct rt2x00_dev *rt2x00dev,
2253 					 struct ieee80211_conf *conf,
2254 					 struct rf_channel *rf,
2255 					 struct channel_info *info)
2256 {
2257 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
2258 	u8 rfcsr;
2259 	u32 reg;
2260 
2261 	if (rf->channel <= 14) {
2262 		rt2800_bbp_write(rt2x00dev, 25, drv_data->bbp25);
2263 		rt2800_bbp_write(rt2x00dev, 26, drv_data->bbp26);
2264 	} else {
2265 		rt2800_bbp_write(rt2x00dev, 25, 0x09);
2266 		rt2800_bbp_write(rt2x00dev, 26, 0xff);
2267 	}
2268 
2269 	rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
2270 	rt2800_rfcsr_write(rt2x00dev, 3, rf->rf3);
2271 
2272 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 6);
2273 	rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
2274 	if (rf->channel <= 14)
2275 		rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 2);
2276 	else
2277 		rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 1);
2278 	rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
2279 
2280 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 5);
2281 	if (rf->channel <= 14)
2282 		rt2x00_set_field8(&rfcsr, RFCSR5_R1, 1);
2283 	else
2284 		rt2x00_set_field8(&rfcsr, RFCSR5_R1, 2);
2285 	rt2800_rfcsr_write(rt2x00dev, 5, rfcsr);
2286 
2287 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 12);
2288 	if (rf->channel <= 14) {
2289 		rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 3);
2290 		rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
2291 				  info->default_power1);
2292 	} else {
2293 		rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 7);
2294 		rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
2295 				(info->default_power1 & 0x3) |
2296 				((info->default_power1 & 0xC) << 1));
2297 	}
2298 	rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
2299 
2300 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 13);
2301 	if (rf->channel <= 14) {
2302 		rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 3);
2303 		rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
2304 				  info->default_power2);
2305 	} else {
2306 		rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 7);
2307 		rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
2308 				(info->default_power2 & 0x3) |
2309 				((info->default_power2 & 0xC) << 1));
2310 	}
2311 	rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
2312 
2313 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
2314 	rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
2315 	rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
2316 	rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
2317 	rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
2318 	rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2319 	rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2320 	if (rt2x00_has_cap_bt_coexist(rt2x00dev)) {
2321 		if (rf->channel <= 14) {
2322 			rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2323 			rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2324 		}
2325 		rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
2326 		rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
2327 	} else {
2328 		switch (rt2x00dev->default_ant.tx_chain_num) {
2329 		case 1:
2330 			rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2331 		case 2:
2332 			rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
2333 			break;
2334 		}
2335 
2336 		switch (rt2x00dev->default_ant.rx_chain_num) {
2337 		case 1:
2338 			rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2339 		case 2:
2340 			rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
2341 			break;
2342 		}
2343 	}
2344 	rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2345 
2346 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 23);
2347 	rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
2348 	rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
2349 
2350 	if (conf_is_ht40(conf)) {
2351 		rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw40);
2352 		rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw40);
2353 	} else {
2354 		rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw20);
2355 		rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw20);
2356 	}
2357 
2358 	if (rf->channel <= 14) {
2359 		rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
2360 		rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
2361 		rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
2362 		rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
2363 		rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
2364 		rfcsr = 0x4c;
2365 		rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN,
2366 				  drv_data->txmixer_gain_24g);
2367 		rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
2368 		rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
2369 		rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
2370 		rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
2371 		rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
2372 		rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
2373 		rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
2374 		rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
2375 	} else {
2376 		rfcsr = rt2800_rfcsr_read(rt2x00dev, 7);
2377 		rt2x00_set_field8(&rfcsr, RFCSR7_BIT2, 1);
2378 		rt2x00_set_field8(&rfcsr, RFCSR7_BIT3, 0);
2379 		rt2x00_set_field8(&rfcsr, RFCSR7_BIT4, 1);
2380 		rt2x00_set_field8(&rfcsr, RFCSR7_BITS67, 0);
2381 		rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
2382 		rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
2383 		rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
2384 		rt2800_rfcsr_write(rt2x00dev, 11, 0x00);
2385 		rt2800_rfcsr_write(rt2x00dev, 15, 0x43);
2386 		rfcsr = 0x7a;
2387 		rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN,
2388 				  drv_data->txmixer_gain_5g);
2389 		rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
2390 		rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
2391 		if (rf->channel <= 64) {
2392 			rt2800_rfcsr_write(rt2x00dev, 19, 0xb7);
2393 			rt2800_rfcsr_write(rt2x00dev, 20, 0xf6);
2394 			rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
2395 		} else if (rf->channel <= 128) {
2396 			rt2800_rfcsr_write(rt2x00dev, 19, 0x74);
2397 			rt2800_rfcsr_write(rt2x00dev, 20, 0xf4);
2398 			rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
2399 		} else {
2400 			rt2800_rfcsr_write(rt2x00dev, 19, 0x72);
2401 			rt2800_rfcsr_write(rt2x00dev, 20, 0xf3);
2402 			rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
2403 		}
2404 		rt2800_rfcsr_write(rt2x00dev, 26, 0x87);
2405 		rt2800_rfcsr_write(rt2x00dev, 27, 0x01);
2406 		rt2800_rfcsr_write(rt2x00dev, 29, 0x9f);
2407 	}
2408 
2409 	reg = rt2800_register_read(rt2x00dev, GPIO_CTRL);
2410 	rt2x00_set_field32(&reg, GPIO_CTRL_DIR7, 0);
2411 	if (rf->channel <= 14)
2412 		rt2x00_set_field32(&reg, GPIO_CTRL_VAL7, 1);
2413 	else
2414 		rt2x00_set_field32(&reg, GPIO_CTRL_VAL7, 0);
2415 	rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
2416 
2417 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 7);
2418 	rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
2419 	rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
2420 }
2421 
rt2800_config_channel_rf3053(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2422 static void rt2800_config_channel_rf3053(struct rt2x00_dev *rt2x00dev,
2423 					 struct ieee80211_conf *conf,
2424 					 struct rf_channel *rf,
2425 					 struct channel_info *info)
2426 {
2427 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
2428 	u8 txrx_agc_fc;
2429 	u8 txrx_h20m;
2430 	u8 rfcsr;
2431 	u8 bbp;
2432 	const bool txbf_enabled = false; /* TODO */
2433 
2434 	/* TODO: use TX{0,1,2}FinePowerControl values from EEPROM */
2435 	bbp = rt2800_bbp_read(rt2x00dev, 109);
2436 	rt2x00_set_field8(&bbp, BBP109_TX0_POWER, 0);
2437 	rt2x00_set_field8(&bbp, BBP109_TX1_POWER, 0);
2438 	rt2800_bbp_write(rt2x00dev, 109, bbp);
2439 
2440 	bbp = rt2800_bbp_read(rt2x00dev, 110);
2441 	rt2x00_set_field8(&bbp, BBP110_TX2_POWER, 0);
2442 	rt2800_bbp_write(rt2x00dev, 110, bbp);
2443 
2444 	if (rf->channel <= 14) {
2445 		/* Restore BBP 25 & 26 for 2.4 GHz */
2446 		rt2800_bbp_write(rt2x00dev, 25, drv_data->bbp25);
2447 		rt2800_bbp_write(rt2x00dev, 26, drv_data->bbp26);
2448 	} else {
2449 		/* Hard code BBP 25 & 26 for 5GHz */
2450 
2451 		/* Enable IQ Phase correction */
2452 		rt2800_bbp_write(rt2x00dev, 25, 0x09);
2453 		/* Setup IQ Phase correction value */
2454 		rt2800_bbp_write(rt2x00dev, 26, 0xff);
2455 	}
2456 
2457 	rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2458 	rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3 & 0xf);
2459 
2460 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 11);
2461 	rt2x00_set_field8(&rfcsr, RFCSR11_R, (rf->rf2 & 0x3));
2462 	rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2463 
2464 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 11);
2465 	rt2x00_set_field8(&rfcsr, RFCSR11_PLL_IDOH, 1);
2466 	if (rf->channel <= 14)
2467 		rt2x00_set_field8(&rfcsr, RFCSR11_PLL_MOD, 1);
2468 	else
2469 		rt2x00_set_field8(&rfcsr, RFCSR11_PLL_MOD, 2);
2470 	rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2471 
2472 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 53);
2473 	if (rf->channel <= 14) {
2474 		rfcsr = 0;
2475 		rt2x00_set_field8(&rfcsr, RFCSR53_TX_POWER,
2476 				  info->default_power1 & 0x1f);
2477 	} else {
2478 		if (rt2x00_is_usb(rt2x00dev))
2479 			rfcsr = 0x40;
2480 
2481 		rt2x00_set_field8(&rfcsr, RFCSR53_TX_POWER,
2482 				  ((info->default_power1 & 0x18) << 1) |
2483 				  (info->default_power1 & 7));
2484 	}
2485 	rt2800_rfcsr_write(rt2x00dev, 53, rfcsr);
2486 
2487 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 55);
2488 	if (rf->channel <= 14) {
2489 		rfcsr = 0;
2490 		rt2x00_set_field8(&rfcsr, RFCSR55_TX_POWER,
2491 				  info->default_power2 & 0x1f);
2492 	} else {
2493 		if (rt2x00_is_usb(rt2x00dev))
2494 			rfcsr = 0x40;
2495 
2496 		rt2x00_set_field8(&rfcsr, RFCSR55_TX_POWER,
2497 				  ((info->default_power2 & 0x18) << 1) |
2498 				  (info->default_power2 & 7));
2499 	}
2500 	rt2800_rfcsr_write(rt2x00dev, 55, rfcsr);
2501 
2502 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 54);
2503 	if (rf->channel <= 14) {
2504 		rfcsr = 0;
2505 		rt2x00_set_field8(&rfcsr, RFCSR54_TX_POWER,
2506 				  info->default_power3 & 0x1f);
2507 	} else {
2508 		if (rt2x00_is_usb(rt2x00dev))
2509 			rfcsr = 0x40;
2510 
2511 		rt2x00_set_field8(&rfcsr, RFCSR54_TX_POWER,
2512 				  ((info->default_power3 & 0x18) << 1) |
2513 				  (info->default_power3 & 7));
2514 	}
2515 	rt2800_rfcsr_write(rt2x00dev, 54, rfcsr);
2516 
2517 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
2518 	rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
2519 	rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
2520 	rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
2521 	rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
2522 	rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2523 	rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2524 	rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
2525 	rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
2526 
2527 	switch (rt2x00dev->default_ant.tx_chain_num) {
2528 	case 3:
2529 		rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
2530 		/* fallthrough */
2531 	case 2:
2532 		rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2533 		/* fallthrough */
2534 	case 1:
2535 		rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2536 		break;
2537 	}
2538 
2539 	switch (rt2x00dev->default_ant.rx_chain_num) {
2540 	case 3:
2541 		rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
2542 		/* fallthrough */
2543 	case 2:
2544 		rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2545 		/* fallthrough */
2546 	case 1:
2547 		rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2548 		break;
2549 	}
2550 	rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2551 
2552 	rt2800_freq_cal_mode1(rt2x00dev);
2553 
2554 	if (conf_is_ht40(conf)) {
2555 		txrx_agc_fc = rt2x00_get_field8(drv_data->calibration_bw40,
2556 						RFCSR24_TX_AGC_FC);
2557 		txrx_h20m = rt2x00_get_field8(drv_data->calibration_bw40,
2558 					      RFCSR24_TX_H20M);
2559 	} else {
2560 		txrx_agc_fc = rt2x00_get_field8(drv_data->calibration_bw20,
2561 						RFCSR24_TX_AGC_FC);
2562 		txrx_h20m = rt2x00_get_field8(drv_data->calibration_bw20,
2563 					      RFCSR24_TX_H20M);
2564 	}
2565 
2566 	/* NOTE: the reference driver does not writes the new value
2567 	 * back to RFCSR 32
2568 	 */
2569 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 32);
2570 	rt2x00_set_field8(&rfcsr, RFCSR32_TX_AGC_FC, txrx_agc_fc);
2571 
2572 	if (rf->channel <= 14)
2573 		rfcsr = 0xa0;
2574 	else
2575 		rfcsr = 0x80;
2576 	rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
2577 
2578 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 30);
2579 	rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M, txrx_h20m);
2580 	rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M, txrx_h20m);
2581 	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2582 
2583 	/* Band selection */
2584 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 36);
2585 	if (rf->channel <= 14)
2586 		rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 1);
2587 	else
2588 		rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 0);
2589 	rt2800_rfcsr_write(rt2x00dev, 36, rfcsr);
2590 
2591 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 34);
2592 	if (rf->channel <= 14)
2593 		rfcsr = 0x3c;
2594 	else
2595 		rfcsr = 0x20;
2596 	rt2800_rfcsr_write(rt2x00dev, 34, rfcsr);
2597 
2598 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 12);
2599 	if (rf->channel <= 14)
2600 		rfcsr = 0x1a;
2601 	else
2602 		rfcsr = 0x12;
2603 	rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
2604 
2605 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 6);
2606 	if (rf->channel >= 1 && rf->channel <= 14)
2607 		rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 1);
2608 	else if (rf->channel >= 36 && rf->channel <= 64)
2609 		rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 2);
2610 	else if (rf->channel >= 100 && rf->channel <= 128)
2611 		rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 2);
2612 	else
2613 		rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 1);
2614 	rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
2615 
2616 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 30);
2617 	rt2x00_set_field8(&rfcsr, RFCSR30_RX_VCM, 2);
2618 	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2619 
2620 	rt2800_rfcsr_write(rt2x00dev, 46, 0x60);
2621 
2622 	if (rf->channel <= 14) {
2623 		rt2800_rfcsr_write(rt2x00dev, 10, 0xd3);
2624 		rt2800_rfcsr_write(rt2x00dev, 13, 0x12);
2625 	} else {
2626 		rt2800_rfcsr_write(rt2x00dev, 10, 0xd8);
2627 		rt2800_rfcsr_write(rt2x00dev, 13, 0x23);
2628 	}
2629 
2630 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 51);
2631 	rt2x00_set_field8(&rfcsr, RFCSR51_BITS01, 1);
2632 	rt2800_rfcsr_write(rt2x00dev, 51, rfcsr);
2633 
2634 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 51);
2635 	if (rf->channel <= 14) {
2636 		rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, 5);
2637 		rt2x00_set_field8(&rfcsr, RFCSR51_BITS57, 3);
2638 	} else {
2639 		rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, 4);
2640 		rt2x00_set_field8(&rfcsr, RFCSR51_BITS57, 2);
2641 	}
2642 	rt2800_rfcsr_write(rt2x00dev, 51, rfcsr);
2643 
2644 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 49);
2645 	if (rf->channel <= 14)
2646 		rt2x00_set_field8(&rfcsr, RFCSR49_TX_LO1_IC, 3);
2647 	else
2648 		rt2x00_set_field8(&rfcsr, RFCSR49_TX_LO1_IC, 2);
2649 
2650 	if (txbf_enabled)
2651 		rt2x00_set_field8(&rfcsr, RFCSR49_TX_DIV, 1);
2652 
2653 	rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2654 
2655 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 50);
2656 	rt2x00_set_field8(&rfcsr, RFCSR50_TX_LO1_EN, 0);
2657 	rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
2658 
2659 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 57);
2660 	if (rf->channel <= 14)
2661 		rt2x00_set_field8(&rfcsr, RFCSR57_DRV_CC, 0x1b);
2662 	else
2663 		rt2x00_set_field8(&rfcsr, RFCSR57_DRV_CC, 0x0f);
2664 	rt2800_rfcsr_write(rt2x00dev, 57, rfcsr);
2665 
2666 	if (rf->channel <= 14) {
2667 		rt2800_rfcsr_write(rt2x00dev, 44, 0x93);
2668 		rt2800_rfcsr_write(rt2x00dev, 52, 0x45);
2669 	} else {
2670 		rt2800_rfcsr_write(rt2x00dev, 44, 0x9b);
2671 		rt2800_rfcsr_write(rt2x00dev, 52, 0x05);
2672 	}
2673 
2674 	/* Initiate VCO calibration */
2675 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 3);
2676 	if (rf->channel <= 14) {
2677 		rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
2678 	} else {
2679 		rt2x00_set_field8(&rfcsr, RFCSR3_BIT1, 1);
2680 		rt2x00_set_field8(&rfcsr, RFCSR3_BIT2, 1);
2681 		rt2x00_set_field8(&rfcsr, RFCSR3_BIT3, 1);
2682 		rt2x00_set_field8(&rfcsr, RFCSR3_BIT4, 1);
2683 		rt2x00_set_field8(&rfcsr, RFCSR3_BIT5, 1);
2684 		rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
2685 	}
2686 	rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
2687 
2688 	if (rf->channel >= 1 && rf->channel <= 14) {
2689 		rfcsr = 0x23;
2690 		if (txbf_enabled)
2691 			rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1);
2692 		rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
2693 
2694 		rt2800_rfcsr_write(rt2x00dev, 45, 0xbb);
2695 	} else if (rf->channel >= 36 && rf->channel <= 64) {
2696 		rfcsr = 0x36;
2697 		if (txbf_enabled)
2698 			rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1);
2699 		rt2800_rfcsr_write(rt2x00dev, 39, 0x36);
2700 
2701 		rt2800_rfcsr_write(rt2x00dev, 45, 0xeb);
2702 	} else if (rf->channel >= 100 && rf->channel <= 128) {
2703 		rfcsr = 0x32;
2704 		if (txbf_enabled)
2705 			rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1);
2706 		rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
2707 
2708 		rt2800_rfcsr_write(rt2x00dev, 45, 0xb3);
2709 	} else {
2710 		rfcsr = 0x30;
2711 		if (txbf_enabled)
2712 			rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1);
2713 		rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
2714 
2715 		rt2800_rfcsr_write(rt2x00dev, 45, 0x9b);
2716 	}
2717 }
2718 
2719 #define POWER_BOUND		0x27
2720 #define POWER_BOUND_5G		0x2b
2721 
rt2800_config_channel_rf3290(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2722 static void rt2800_config_channel_rf3290(struct rt2x00_dev *rt2x00dev,
2723 					 struct ieee80211_conf *conf,
2724 					 struct rf_channel *rf,
2725 					 struct channel_info *info)
2726 {
2727 	u8 rfcsr;
2728 
2729 	rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2730 	rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
2731 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 11);
2732 	rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2);
2733 	rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2734 
2735 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 49);
2736 	if (info->default_power1 > POWER_BOUND)
2737 		rt2x00_set_field8(&rfcsr, RFCSR49_TX, POWER_BOUND);
2738 	else
2739 		rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
2740 	rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2741 
2742 	rt2800_freq_cal_mode1(rt2x00dev);
2743 
2744 	if (rf->channel <= 14) {
2745 		if (rf->channel == 6)
2746 			rt2800_bbp_write(rt2x00dev, 68, 0x0c);
2747 		else
2748 			rt2800_bbp_write(rt2x00dev, 68, 0x0b);
2749 
2750 		if (rf->channel >= 1 && rf->channel <= 6)
2751 			rt2800_bbp_write(rt2x00dev, 59, 0x0f);
2752 		else if (rf->channel >= 7 && rf->channel <= 11)
2753 			rt2800_bbp_write(rt2x00dev, 59, 0x0e);
2754 		else if (rf->channel >= 12 && rf->channel <= 14)
2755 			rt2800_bbp_write(rt2x00dev, 59, 0x0d);
2756 	}
2757 }
2758 
rt2800_config_channel_rf3322(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2759 static void rt2800_config_channel_rf3322(struct rt2x00_dev *rt2x00dev,
2760 					 struct ieee80211_conf *conf,
2761 					 struct rf_channel *rf,
2762 					 struct channel_info *info)
2763 {
2764 	u8 rfcsr;
2765 
2766 	rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2767 	rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
2768 
2769 	rt2800_rfcsr_write(rt2x00dev, 11, 0x42);
2770 	rt2800_rfcsr_write(rt2x00dev, 12, 0x1c);
2771 	rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
2772 
2773 	if (info->default_power1 > POWER_BOUND)
2774 		rt2800_rfcsr_write(rt2x00dev, 47, POWER_BOUND);
2775 	else
2776 		rt2800_rfcsr_write(rt2x00dev, 47, info->default_power1);
2777 
2778 	if (info->default_power2 > POWER_BOUND)
2779 		rt2800_rfcsr_write(rt2x00dev, 48, POWER_BOUND);
2780 	else
2781 		rt2800_rfcsr_write(rt2x00dev, 48, info->default_power2);
2782 
2783 	rt2800_freq_cal_mode1(rt2x00dev);
2784 
2785 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
2786 	rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2787 	rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2788 
2789 	if ( rt2x00dev->default_ant.tx_chain_num == 2 )
2790 		rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2791 	else
2792 		rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
2793 
2794 	if ( rt2x00dev->default_ant.rx_chain_num == 2 )
2795 		rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2796 	else
2797 		rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
2798 
2799 	rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2800 	rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2801 
2802 	rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2803 
2804 	rt2800_rfcsr_write(rt2x00dev, 31, 80);
2805 }
2806 
rt2800_config_channel_rf53xx(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2807 static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
2808 					 struct ieee80211_conf *conf,
2809 					 struct rf_channel *rf,
2810 					 struct channel_info *info)
2811 {
2812 	u8 rfcsr;
2813 
2814 	rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2815 	rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
2816 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 11);
2817 	rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2);
2818 	rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2819 
2820 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 49);
2821 	if (info->default_power1 > POWER_BOUND)
2822 		rt2x00_set_field8(&rfcsr, RFCSR49_TX, POWER_BOUND);
2823 	else
2824 		rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
2825 	rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2826 
2827 	if (rt2x00_rt(rt2x00dev, RT5392)) {
2828 		rfcsr = rt2800_rfcsr_read(rt2x00dev, 50);
2829 		if (info->default_power2 > POWER_BOUND)
2830 			rt2x00_set_field8(&rfcsr, RFCSR50_TX, POWER_BOUND);
2831 		else
2832 			rt2x00_set_field8(&rfcsr, RFCSR50_TX,
2833 					  info->default_power2);
2834 		rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
2835 	}
2836 
2837 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
2838 	if (rt2x00_rt(rt2x00dev, RT5392)) {
2839 		rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2840 		rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2841 	}
2842 	rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
2843 	rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
2844 	rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2845 	rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2846 	rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2847 
2848 	rt2800_freq_cal_mode1(rt2x00dev);
2849 
2850 	if (rf->channel <= 14) {
2851 		int idx = rf->channel-1;
2852 
2853 		if (rt2x00_has_cap_bt_coexist(rt2x00dev)) {
2854 			if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
2855 				/* r55/r59 value array of channel 1~14 */
2856 				static const char r55_bt_rev[] = {0x83, 0x83,
2857 					0x83, 0x73, 0x73, 0x63, 0x53, 0x53,
2858 					0x53, 0x43, 0x43, 0x43, 0x43, 0x43};
2859 				static const char r59_bt_rev[] = {0x0e, 0x0e,
2860 					0x0e, 0x0e, 0x0e, 0x0b, 0x0a, 0x09,
2861 					0x07, 0x07, 0x07, 0x07, 0x07, 0x07};
2862 
2863 				rt2800_rfcsr_write(rt2x00dev, 55,
2864 						   r55_bt_rev[idx]);
2865 				rt2800_rfcsr_write(rt2x00dev, 59,
2866 						   r59_bt_rev[idx]);
2867 			} else {
2868 				static const char r59_bt[] = {0x8b, 0x8b, 0x8b,
2869 					0x8b, 0x8b, 0x8b, 0x8b, 0x8a, 0x89,
2870 					0x88, 0x88, 0x86, 0x85, 0x84};
2871 
2872 				rt2800_rfcsr_write(rt2x00dev, 59, r59_bt[idx]);
2873 			}
2874 		} else {
2875 			if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
2876 				static const char r55_nonbt_rev[] = {0x23, 0x23,
2877 					0x23, 0x23, 0x13, 0x13, 0x03, 0x03,
2878 					0x03, 0x03, 0x03, 0x03, 0x03, 0x03};
2879 				static const char r59_nonbt_rev[] = {0x07, 0x07,
2880 					0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
2881 					0x07, 0x07, 0x06, 0x05, 0x04, 0x04};
2882 
2883 				rt2800_rfcsr_write(rt2x00dev, 55,
2884 						   r55_nonbt_rev[idx]);
2885 				rt2800_rfcsr_write(rt2x00dev, 59,
2886 						   r59_nonbt_rev[idx]);
2887 			} else if (rt2x00_rt(rt2x00dev, RT5390) ||
2888 				   rt2x00_rt(rt2x00dev, RT5392) ||
2889 				   rt2x00_rt(rt2x00dev, RT6352)) {
2890 				static const char r59_non_bt[] = {0x8f, 0x8f,
2891 					0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8d,
2892 					0x8a, 0x88, 0x88, 0x87, 0x87, 0x86};
2893 
2894 				rt2800_rfcsr_write(rt2x00dev, 59,
2895 						   r59_non_bt[idx]);
2896 			} else if (rt2x00_rt(rt2x00dev, RT5350)) {
2897 				static const char r59_non_bt[] = {0x0b, 0x0b,
2898 					0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0a,
2899 					0x0a, 0x09, 0x08, 0x07, 0x07, 0x06};
2900 
2901 				rt2800_rfcsr_write(rt2x00dev, 59,
2902 						   r59_non_bt[idx]);
2903 			}
2904 		}
2905 	}
2906 }
2907 
rt2800_config_channel_rf55xx(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2908 static void rt2800_config_channel_rf55xx(struct rt2x00_dev *rt2x00dev,
2909 					 struct ieee80211_conf *conf,
2910 					 struct rf_channel *rf,
2911 					 struct channel_info *info)
2912 {
2913 	u8 rfcsr, ep_reg;
2914 	u32 reg;
2915 	int power_bound;
2916 
2917 	/* TODO */
2918 	const bool is_11b = false;
2919 	const bool is_type_ep = false;
2920 
2921 	reg = rt2800_register_read(rt2x00dev, LDO_CFG0);
2922 	rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL,
2923 			   (rf->channel > 14 || conf_is_ht40(conf)) ? 5 : 0);
2924 	rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
2925 
2926 	/* Order of values on rf_channel entry: N, K, mod, R */
2927 	rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1 & 0xff);
2928 
2929 	rfcsr = rt2800_rfcsr_read(rt2x00dev,  9);
2930 	rt2x00_set_field8(&rfcsr, RFCSR9_K, rf->rf2 & 0xf);
2931 	rt2x00_set_field8(&rfcsr, RFCSR9_N, (rf->rf1 & 0x100) >> 8);
2932 	rt2x00_set_field8(&rfcsr, RFCSR9_MOD, ((rf->rf3 - 8) & 0x4) >> 2);
2933 	rt2800_rfcsr_write(rt2x00dev, 9, rfcsr);
2934 
2935 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 11);
2936 	rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf4 - 1);
2937 	rt2x00_set_field8(&rfcsr, RFCSR11_MOD, (rf->rf3 - 8) & 0x3);
2938 	rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2939 
2940 	if (rf->channel <= 14) {
2941 		rt2800_rfcsr_write(rt2x00dev, 10, 0x90);
2942 		/* FIXME: RF11 owerwrite ? */
2943 		rt2800_rfcsr_write(rt2x00dev, 11, 0x4A);
2944 		rt2800_rfcsr_write(rt2x00dev, 12, 0x52);
2945 		rt2800_rfcsr_write(rt2x00dev, 13, 0x42);
2946 		rt2800_rfcsr_write(rt2x00dev, 22, 0x40);
2947 		rt2800_rfcsr_write(rt2x00dev, 24, 0x4A);
2948 		rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
2949 		rt2800_rfcsr_write(rt2x00dev, 27, 0x42);
2950 		rt2800_rfcsr_write(rt2x00dev, 36, 0x80);
2951 		rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
2952 		rt2800_rfcsr_write(rt2x00dev, 38, 0x89);
2953 		rt2800_rfcsr_write(rt2x00dev, 39, 0x1B);
2954 		rt2800_rfcsr_write(rt2x00dev, 40, 0x0D);
2955 		rt2800_rfcsr_write(rt2x00dev, 41, 0x9B);
2956 		rt2800_rfcsr_write(rt2x00dev, 42, 0xD5);
2957 		rt2800_rfcsr_write(rt2x00dev, 43, 0x72);
2958 		rt2800_rfcsr_write(rt2x00dev, 44, 0x0E);
2959 		rt2800_rfcsr_write(rt2x00dev, 45, 0xA2);
2960 		rt2800_rfcsr_write(rt2x00dev, 46, 0x6B);
2961 		rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
2962 		rt2800_rfcsr_write(rt2x00dev, 51, 0x3E);
2963 		rt2800_rfcsr_write(rt2x00dev, 52, 0x48);
2964 		rt2800_rfcsr_write(rt2x00dev, 54, 0x38);
2965 		rt2800_rfcsr_write(rt2x00dev, 56, 0xA1);
2966 		rt2800_rfcsr_write(rt2x00dev, 57, 0x00);
2967 		rt2800_rfcsr_write(rt2x00dev, 58, 0x39);
2968 		rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
2969 		rt2800_rfcsr_write(rt2x00dev, 61, 0x91);
2970 		rt2800_rfcsr_write(rt2x00dev, 62, 0x39);
2971 
2972 		/* TODO RF27 <- tssi */
2973 
2974 		rfcsr = rf->channel <= 10 ? 0x07 : 0x06;
2975 		rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
2976 		rt2800_rfcsr_write(rt2x00dev, 59, rfcsr);
2977 
2978 		if (is_11b) {
2979 			/* CCK */
2980 			rt2800_rfcsr_write(rt2x00dev, 31, 0xF8);
2981 			rt2800_rfcsr_write(rt2x00dev, 32, 0xC0);
2982 			if (is_type_ep)
2983 				rt2800_rfcsr_write(rt2x00dev, 55, 0x06);
2984 			else
2985 				rt2800_rfcsr_write(rt2x00dev, 55, 0x47);
2986 		} else {
2987 			/* OFDM */
2988 			if (is_type_ep)
2989 				rt2800_rfcsr_write(rt2x00dev, 55, 0x03);
2990 			else
2991 				rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
2992 		}
2993 
2994 		power_bound = POWER_BOUND;
2995 		ep_reg = 0x2;
2996 	} else {
2997 		rt2800_rfcsr_write(rt2x00dev, 10, 0x97);
2998 		/* FIMXE: RF11 overwrite */
2999 		rt2800_rfcsr_write(rt2x00dev, 11, 0x40);
3000 		rt2800_rfcsr_write(rt2x00dev, 25, 0xBF);
3001 		rt2800_rfcsr_write(rt2x00dev, 27, 0x42);
3002 		rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
3003 		rt2800_rfcsr_write(rt2x00dev, 37, 0x04);
3004 		rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
3005 		rt2800_rfcsr_write(rt2x00dev, 40, 0x42);
3006 		rt2800_rfcsr_write(rt2x00dev, 41, 0xBB);
3007 		rt2800_rfcsr_write(rt2x00dev, 42, 0xD7);
3008 		rt2800_rfcsr_write(rt2x00dev, 45, 0x41);
3009 		rt2800_rfcsr_write(rt2x00dev, 48, 0x00);
3010 		rt2800_rfcsr_write(rt2x00dev, 57, 0x77);
3011 		rt2800_rfcsr_write(rt2x00dev, 60, 0x05);
3012 		rt2800_rfcsr_write(rt2x00dev, 61, 0x01);
3013 
3014 		/* TODO RF27 <- tssi */
3015 
3016 		if (rf->channel >= 36 && rf->channel <= 64) {
3017 
3018 			rt2800_rfcsr_write(rt2x00dev, 12, 0x2E);
3019 			rt2800_rfcsr_write(rt2x00dev, 13, 0x22);
3020 			rt2800_rfcsr_write(rt2x00dev, 22, 0x60);
3021 			rt2800_rfcsr_write(rt2x00dev, 23, 0x7F);
3022 			if (rf->channel <= 50)
3023 				rt2800_rfcsr_write(rt2x00dev, 24, 0x09);
3024 			else if (rf->channel >= 52)
3025 				rt2800_rfcsr_write(rt2x00dev, 24, 0x07);
3026 			rt2800_rfcsr_write(rt2x00dev, 39, 0x1C);
3027 			rt2800_rfcsr_write(rt2x00dev, 43, 0x5B);
3028 			rt2800_rfcsr_write(rt2x00dev, 44, 0X40);
3029 			rt2800_rfcsr_write(rt2x00dev, 46, 0X00);
3030 			rt2800_rfcsr_write(rt2x00dev, 51, 0xFE);
3031 			rt2800_rfcsr_write(rt2x00dev, 52, 0x0C);
3032 			rt2800_rfcsr_write(rt2x00dev, 54, 0xF8);
3033 			if (rf->channel <= 50) {
3034 				rt2800_rfcsr_write(rt2x00dev, 55, 0x06),
3035 				rt2800_rfcsr_write(rt2x00dev, 56, 0xD3);
3036 			} else if (rf->channel >= 52) {
3037 				rt2800_rfcsr_write(rt2x00dev, 55, 0x04);
3038 				rt2800_rfcsr_write(rt2x00dev, 56, 0xBB);
3039 			}
3040 
3041 			rt2800_rfcsr_write(rt2x00dev, 58, 0x15);
3042 			rt2800_rfcsr_write(rt2x00dev, 59, 0x7F);
3043 			rt2800_rfcsr_write(rt2x00dev, 62, 0x15);
3044 
3045 		} else if (rf->channel >= 100 && rf->channel <= 165) {
3046 
3047 			rt2800_rfcsr_write(rt2x00dev, 12, 0x0E);
3048 			rt2800_rfcsr_write(rt2x00dev, 13, 0x42);
3049 			rt2800_rfcsr_write(rt2x00dev, 22, 0x40);
3050 			if (rf->channel <= 153) {
3051 				rt2800_rfcsr_write(rt2x00dev, 23, 0x3C);
3052 				rt2800_rfcsr_write(rt2x00dev, 24, 0x06);
3053 			} else if (rf->channel >= 155) {
3054 				rt2800_rfcsr_write(rt2x00dev, 23, 0x38);
3055 				rt2800_rfcsr_write(rt2x00dev, 24, 0x05);
3056 			}
3057 			if (rf->channel <= 138) {
3058 				rt2800_rfcsr_write(rt2x00dev, 39, 0x1A);
3059 				rt2800_rfcsr_write(rt2x00dev, 43, 0x3B);
3060 				rt2800_rfcsr_write(rt2x00dev, 44, 0x20);
3061 				rt2800_rfcsr_write(rt2x00dev, 46, 0x18);
3062 			} else if (rf->channel >= 140) {
3063 				rt2800_rfcsr_write(rt2x00dev, 39, 0x18);
3064 				rt2800_rfcsr_write(rt2x00dev, 43, 0x1B);
3065 				rt2800_rfcsr_write(rt2x00dev, 44, 0x10);
3066 				rt2800_rfcsr_write(rt2x00dev, 46, 0X08);
3067 			}
3068 			if (rf->channel <= 124)
3069 				rt2800_rfcsr_write(rt2x00dev, 51, 0xFC);
3070 			else if (rf->channel >= 126)
3071 				rt2800_rfcsr_write(rt2x00dev, 51, 0xEC);
3072 			if (rf->channel <= 138)
3073 				rt2800_rfcsr_write(rt2x00dev, 52, 0x06);
3074 			else if (rf->channel >= 140)
3075 				rt2800_rfcsr_write(rt2x00dev, 52, 0x06);
3076 			rt2800_rfcsr_write(rt2x00dev, 54, 0xEB);
3077 			if (rf->channel <= 138)
3078 				rt2800_rfcsr_write(rt2x00dev, 55, 0x01);
3079 			else if (rf->channel >= 140)
3080 				rt2800_rfcsr_write(rt2x00dev, 55, 0x00);
3081 			if (rf->channel <= 128)
3082 				rt2800_rfcsr_write(rt2x00dev, 56, 0xBB);
3083 			else if (rf->channel >= 130)
3084 				rt2800_rfcsr_write(rt2x00dev, 56, 0xAB);
3085 			if (rf->channel <= 116)
3086 				rt2800_rfcsr_write(rt2x00dev, 58, 0x1D);
3087 			else if (rf->channel >= 118)
3088 				rt2800_rfcsr_write(rt2x00dev, 58, 0x15);
3089 			if (rf->channel <= 138)
3090 				rt2800_rfcsr_write(rt2x00dev, 59, 0x3F);
3091 			else if (rf->channel >= 140)
3092 				rt2800_rfcsr_write(rt2x00dev, 59, 0x7C);
3093 			if (rf->channel <= 116)
3094 				rt2800_rfcsr_write(rt2x00dev, 62, 0x1D);
3095 			else if (rf->channel >= 118)
3096 				rt2800_rfcsr_write(rt2x00dev, 62, 0x15);
3097 		}
3098 
3099 		power_bound = POWER_BOUND_5G;
3100 		ep_reg = 0x3;
3101 	}
3102 
3103 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 49);
3104 	if (info->default_power1 > power_bound)
3105 		rt2x00_set_field8(&rfcsr, RFCSR49_TX, power_bound);
3106 	else
3107 		rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
3108 	if (is_type_ep)
3109 		rt2x00_set_field8(&rfcsr, RFCSR49_EP, ep_reg);
3110 	rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
3111 
3112 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 50);
3113 	if (info->default_power2 > power_bound)
3114 		rt2x00_set_field8(&rfcsr, RFCSR50_TX, power_bound);
3115 	else
3116 		rt2x00_set_field8(&rfcsr, RFCSR50_TX, info->default_power2);
3117 	if (is_type_ep)
3118 		rt2x00_set_field8(&rfcsr, RFCSR50_EP, ep_reg);
3119 	rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
3120 
3121 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
3122 	rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
3123 	rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
3124 
3125 	rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD,
3126 			  rt2x00dev->default_ant.tx_chain_num >= 1);
3127 	rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD,
3128 			  rt2x00dev->default_ant.tx_chain_num == 2);
3129 	rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
3130 
3131 	rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD,
3132 			  rt2x00dev->default_ant.rx_chain_num >= 1);
3133 	rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD,
3134 			  rt2x00dev->default_ant.rx_chain_num == 2);
3135 	rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
3136 
3137 	rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
3138 	rt2800_rfcsr_write(rt2x00dev, 6, 0xe4);
3139 
3140 	if (conf_is_ht40(conf))
3141 		rt2800_rfcsr_write(rt2x00dev, 30, 0x16);
3142 	else
3143 		rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
3144 
3145 	if (!is_11b) {
3146 		rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
3147 		rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
3148 	}
3149 
3150 	/* TODO proper frequency adjustment */
3151 	rt2800_freq_cal_mode1(rt2x00dev);
3152 
3153 	/* TODO merge with others */
3154 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 3);
3155 	rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
3156 	rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
3157 
3158 	/* BBP settings */
3159 	rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
3160 	rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
3161 	rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
3162 
3163 	rt2800_bbp_write(rt2x00dev, 79, (rf->channel <= 14) ? 0x1C : 0x18);
3164 	rt2800_bbp_write(rt2x00dev, 80, (rf->channel <= 14) ? 0x0E : 0x08);
3165 	rt2800_bbp_write(rt2x00dev, 81, (rf->channel <= 14) ? 0x3A : 0x38);
3166 	rt2800_bbp_write(rt2x00dev, 82, (rf->channel <= 14) ? 0x62 : 0x92);
3167 
3168 	/* GLRT band configuration */
3169 	rt2800_bbp_write(rt2x00dev, 195, 128);
3170 	rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0xE0 : 0xF0);
3171 	rt2800_bbp_write(rt2x00dev, 195, 129);
3172 	rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x1F : 0x1E);
3173 	rt2800_bbp_write(rt2x00dev, 195, 130);
3174 	rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x38 : 0x28);
3175 	rt2800_bbp_write(rt2x00dev, 195, 131);
3176 	rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x32 : 0x20);
3177 	rt2800_bbp_write(rt2x00dev, 195, 133);
3178 	rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x28 : 0x7F);
3179 	rt2800_bbp_write(rt2x00dev, 195, 124);
3180 	rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x19 : 0x7F);
3181 }
3182 
rt2800_config_channel_rf7620(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)3183 static void rt2800_config_channel_rf7620(struct rt2x00_dev *rt2x00dev,
3184 					 struct ieee80211_conf *conf,
3185 					 struct rf_channel *rf,
3186 					 struct channel_info *info)
3187 {
3188 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
3189 	u8 rx_agc_fc, tx_agc_fc;
3190 	u8 rfcsr;
3191 
3192 	/* Frequeny plan setting */
3193 	/* Rdiv setting (set 0x03 if Xtal==20)
3194 	 * R13[1:0]
3195 	 */
3196 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 13);
3197 	rt2x00_set_field8(&rfcsr, RFCSR13_RDIV_MT7620,
3198 			  rt2800_clk_is_20mhz(rt2x00dev) ? 3 : 0);
3199 	rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
3200 
3201 	/* N setting
3202 	 * R20[7:0] in rf->rf1
3203 	 * R21[0] always 0
3204 	 */
3205 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 20);
3206 	rfcsr = (rf->rf1 & 0x00ff);
3207 	rt2800_rfcsr_write(rt2x00dev, 20, rfcsr);
3208 
3209 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 21);
3210 	rt2x00_set_field8(&rfcsr, RFCSR21_BIT1, 0);
3211 	rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
3212 
3213 	/* K setting (always 0)
3214 	 * R16[3:0] (RF PLL freq selection)
3215 	 */
3216 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 16);
3217 	rt2x00_set_field8(&rfcsr, RFCSR16_RF_PLL_FREQ_SEL_MT7620, 0);
3218 	rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
3219 
3220 	/* D setting (always 0)
3221 	 * R22[2:0] (D=15, R22[2:0]=<111>)
3222 	 */
3223 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 22);
3224 	rt2x00_set_field8(&rfcsr, RFCSR22_FREQPLAN_D_MT7620, 0);
3225 	rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
3226 
3227 	/* Ksd setting
3228 	 * Ksd: R17<7:0> in rf->rf2
3229 	 *      R18<7:0> in rf->rf3
3230 	 *      R19<1:0> in rf->rf4
3231 	 */
3232 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 17);
3233 	rfcsr = rf->rf2;
3234 	rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
3235 
3236 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 18);
3237 	rfcsr = rf->rf3;
3238 	rt2800_rfcsr_write(rt2x00dev, 18, rfcsr);
3239 
3240 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 19);
3241 	rt2x00_set_field8(&rfcsr, RFCSR19_K, rf->rf4);
3242 	rt2800_rfcsr_write(rt2x00dev, 19, rfcsr);
3243 
3244 	/* Default: XO=20MHz , SDM mode */
3245 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 16);
3246 	rt2x00_set_field8(&rfcsr, RFCSR16_SDM_MODE_MT7620, 0x80);
3247 	rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
3248 
3249 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 21);
3250 	rt2x00_set_field8(&rfcsr, RFCSR21_BIT8, 1);
3251 	rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
3252 
3253 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
3254 	rt2x00_set_field8(&rfcsr, RFCSR1_TX2_EN_MT7620,
3255 			  rt2x00dev->default_ant.tx_chain_num != 1);
3256 	rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
3257 
3258 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 2);
3259 	rt2x00_set_field8(&rfcsr, RFCSR2_TX2_EN_MT7620,
3260 			  rt2x00dev->default_ant.tx_chain_num != 1);
3261 	rt2x00_set_field8(&rfcsr, RFCSR2_RX2_EN_MT7620,
3262 			  rt2x00dev->default_ant.rx_chain_num != 1);
3263 	rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
3264 
3265 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 42);
3266 	rt2x00_set_field8(&rfcsr, RFCSR42_TX2_EN_MT7620,
3267 			  rt2x00dev->default_ant.tx_chain_num != 1);
3268 	rt2800_rfcsr_write(rt2x00dev, 42, rfcsr);
3269 
3270 	/* RF for DC Cal BW */
3271 	if (conf_is_ht40(conf)) {
3272 		rt2800_rfcsr_write_dccal(rt2x00dev, 6, 0x10);
3273 		rt2800_rfcsr_write_dccal(rt2x00dev, 7, 0x10);
3274 		rt2800_rfcsr_write_dccal(rt2x00dev, 8, 0x04);
3275 		rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x10);
3276 		rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x10);
3277 	} else {
3278 		rt2800_rfcsr_write_dccal(rt2x00dev, 6, 0x20);
3279 		rt2800_rfcsr_write_dccal(rt2x00dev, 7, 0x20);
3280 		rt2800_rfcsr_write_dccal(rt2x00dev, 8, 0x00);
3281 		rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x20);
3282 		rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x20);
3283 	}
3284 
3285 	if (conf_is_ht40(conf)) {
3286 		rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x08);
3287 		rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x08);
3288 	} else {
3289 		rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x28);
3290 		rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x28);
3291 	}
3292 
3293 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 28);
3294 	rt2x00_set_field8(&rfcsr, RFCSR28_CH11_HT40,
3295 			  conf_is_ht40(conf) && (rf->channel == 11));
3296 	rt2800_rfcsr_write(rt2x00dev, 28, rfcsr);
3297 
3298 	if (!test_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags)) {
3299 		if (conf_is_ht40(conf)) {
3300 			rx_agc_fc = drv_data->rx_calibration_bw40;
3301 			tx_agc_fc = drv_data->tx_calibration_bw40;
3302 		} else {
3303 			rx_agc_fc = drv_data->rx_calibration_bw20;
3304 			tx_agc_fc = drv_data->tx_calibration_bw20;
3305 		}
3306 		rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 5, 6);
3307 		rfcsr &= (~0x3F);
3308 		rfcsr |= rx_agc_fc;
3309 		rt2800_rfcsr_write_bank(rt2x00dev, 5, 6, rfcsr);
3310 		rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 5, 7);
3311 		rfcsr &= (~0x3F);
3312 		rfcsr |= rx_agc_fc;
3313 		rt2800_rfcsr_write_bank(rt2x00dev, 5, 7, rfcsr);
3314 		rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 7, 6);
3315 		rfcsr &= (~0x3F);
3316 		rfcsr |= rx_agc_fc;
3317 		rt2800_rfcsr_write_bank(rt2x00dev, 7, 6, rfcsr);
3318 		rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 7, 7);
3319 		rfcsr &= (~0x3F);
3320 		rfcsr |= rx_agc_fc;
3321 		rt2800_rfcsr_write_bank(rt2x00dev, 7, 7, rfcsr);
3322 
3323 		rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 5, 58);
3324 		rfcsr &= (~0x3F);
3325 		rfcsr |= tx_agc_fc;
3326 		rt2800_rfcsr_write_bank(rt2x00dev, 5, 58, rfcsr);
3327 		rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 5, 59);
3328 		rfcsr &= (~0x3F);
3329 		rfcsr |= tx_agc_fc;
3330 		rt2800_rfcsr_write_bank(rt2x00dev, 5, 59, rfcsr);
3331 		rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 7, 58);
3332 		rfcsr &= (~0x3F);
3333 		rfcsr |= tx_agc_fc;
3334 		rt2800_rfcsr_write_bank(rt2x00dev, 7, 58, rfcsr);
3335 		rfcsr = rt2800_rfcsr_read_bank(rt2x00dev, 7, 59);
3336 		rfcsr &= (~0x3F);
3337 		rfcsr |= tx_agc_fc;
3338 		rt2800_rfcsr_write_bank(rt2x00dev, 7, 59, rfcsr);
3339 	}
3340 }
3341 
rt2800_config_alc(struct rt2x00_dev * rt2x00dev,struct ieee80211_channel * chan,int power_level)3342 static void rt2800_config_alc(struct rt2x00_dev *rt2x00dev,
3343 			      struct ieee80211_channel *chan,
3344 			      int power_level) {
3345 	u16 eeprom, target_power, max_power;
3346 	u32 mac_sys_ctrl, mac_status;
3347 	u32 reg;
3348 	u8 bbp;
3349 	int i;
3350 
3351 	/* hardware unit is 0.5dBm, limited to 23.5dBm */
3352 	power_level *= 2;
3353 	if (power_level > 0x2f)
3354 		power_level = 0x2f;
3355 
3356 	max_power = chan->max_power * 2;
3357 	if (max_power > 0x2f)
3358 		max_power = 0x2f;
3359 
3360 	reg = rt2800_register_read(rt2x00dev, TX_ALC_CFG_0);
3361 	rt2x00_set_field32(&reg, TX_ALC_CFG_0_CH_INIT_0, power_level);
3362 	rt2x00_set_field32(&reg, TX_ALC_CFG_0_CH_INIT_1, power_level);
3363 	rt2x00_set_field32(&reg, TX_ALC_CFG_0_LIMIT_0, max_power);
3364 	rt2x00_set_field32(&reg, TX_ALC_CFG_0_LIMIT_1, max_power);
3365 
3366 	eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
3367 	if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_INTERNAL_TX_ALC)) {
3368 		/* init base power by eeprom target power */
3369 		target_power = rt2800_eeprom_read(rt2x00dev,
3370 						  EEPROM_TXPOWER_INIT);
3371 		rt2x00_set_field32(&reg, TX_ALC_CFG_0_CH_INIT_0, target_power);
3372 		rt2x00_set_field32(&reg, TX_ALC_CFG_0_CH_INIT_1, target_power);
3373 	}
3374 	rt2800_register_write(rt2x00dev, TX_ALC_CFG_0, reg);
3375 
3376 	reg = rt2800_register_read(rt2x00dev, TX_ALC_CFG_1);
3377 	rt2x00_set_field32(&reg, TX_ALC_CFG_1_TX_TEMP_COMP, 0);
3378 	rt2800_register_write(rt2x00dev, TX_ALC_CFG_1, reg);
3379 
3380 	/* Save MAC SYS CTRL registers */
3381 	mac_sys_ctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
3382 	/* Disable Tx/Rx */
3383 	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0);
3384 	/* Check MAC Tx/Rx idle */
3385 	for (i = 0; i < 10000; i++) {
3386 		mac_status = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG);
3387 		if (mac_status & 0x3)
3388 			usleep_range(50, 200);
3389 		else
3390 			break;
3391 	}
3392 
3393 	if (i == 10000)
3394 		rt2x00_warn(rt2x00dev, "Wait MAC Status to MAX !!!\n");
3395 
3396 	if (chan->center_freq > 2457) {
3397 		bbp = rt2800_bbp_read(rt2x00dev, 30);
3398 		bbp = 0x40;
3399 		rt2800_bbp_write(rt2x00dev, 30, bbp);
3400 		rt2800_rfcsr_write(rt2x00dev, 39, 0);
3401 		if (rt2x00_has_cap_external_lna_bg(rt2x00dev))
3402 			rt2800_rfcsr_write(rt2x00dev, 42, 0xfb);
3403 		else
3404 			rt2800_rfcsr_write(rt2x00dev, 42, 0x7b);
3405 	} else {
3406 		bbp = rt2800_bbp_read(rt2x00dev, 30);
3407 		bbp = 0x1f;
3408 		rt2800_bbp_write(rt2x00dev, 30, bbp);
3409 		rt2800_rfcsr_write(rt2x00dev, 39, 0x80);
3410 		if (rt2x00_has_cap_external_lna_bg(rt2x00dev))
3411 			rt2800_rfcsr_write(rt2x00dev, 42, 0xdb);
3412 		else
3413 			rt2800_rfcsr_write(rt2x00dev, 42, 0x5b);
3414 	}
3415 	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, mac_sys_ctrl);
3416 
3417 	rt2800_vco_calibration(rt2x00dev);
3418 }
3419 
rt2800_bbp_write_with_rx_chain(struct rt2x00_dev * rt2x00dev,const unsigned int word,const u8 value)3420 static void rt2800_bbp_write_with_rx_chain(struct rt2x00_dev *rt2x00dev,
3421 					   const unsigned int word,
3422 					   const u8 value)
3423 {
3424 	u8 chain, reg;
3425 
3426 	for (chain = 0; chain < rt2x00dev->default_ant.rx_chain_num; chain++) {
3427 		reg = rt2800_bbp_read(rt2x00dev, 27);
3428 		rt2x00_set_field8(&reg,  BBP27_RX_CHAIN_SEL, chain);
3429 		rt2800_bbp_write(rt2x00dev, 27, reg);
3430 
3431 		rt2800_bbp_write(rt2x00dev, word, value);
3432 	}
3433 }
3434 
rt2800_iq_calibrate(struct rt2x00_dev * rt2x00dev,int channel)3435 static void rt2800_iq_calibrate(struct rt2x00_dev *rt2x00dev, int channel)
3436 {
3437 	u8 cal;
3438 
3439 	/* TX0 IQ Gain */
3440 	rt2800_bbp_write(rt2x00dev, 158, 0x2c);
3441 	if (channel <= 14)
3442 		cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX0_2G);
3443 	else if (channel >= 36 && channel <= 64)
3444 		cal = rt2x00_eeprom_byte(rt2x00dev,
3445 					 EEPROM_IQ_GAIN_CAL_TX0_CH36_TO_CH64_5G);
3446 	else if (channel >= 100 && channel <= 138)
3447 		cal = rt2x00_eeprom_byte(rt2x00dev,
3448 					 EEPROM_IQ_GAIN_CAL_TX0_CH100_TO_CH138_5G);
3449 	else if (channel >= 140 && channel <= 165)
3450 		cal = rt2x00_eeprom_byte(rt2x00dev,
3451 					 EEPROM_IQ_GAIN_CAL_TX0_CH140_TO_CH165_5G);
3452 	else
3453 		cal = 0;
3454 	rt2800_bbp_write(rt2x00dev, 159, cal);
3455 
3456 	/* TX0 IQ Phase */
3457 	rt2800_bbp_write(rt2x00dev, 158, 0x2d);
3458 	if (channel <= 14)
3459 		cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX0_2G);
3460 	else if (channel >= 36 && channel <= 64)
3461 		cal = rt2x00_eeprom_byte(rt2x00dev,
3462 					 EEPROM_IQ_PHASE_CAL_TX0_CH36_TO_CH64_5G);
3463 	else if (channel >= 100 && channel <= 138)
3464 		cal = rt2x00_eeprom_byte(rt2x00dev,
3465 					 EEPROM_IQ_PHASE_CAL_TX0_CH100_TO_CH138_5G);
3466 	else if (channel >= 140 && channel <= 165)
3467 		cal = rt2x00_eeprom_byte(rt2x00dev,
3468 					 EEPROM_IQ_PHASE_CAL_TX0_CH140_TO_CH165_5G);
3469 	else
3470 		cal = 0;
3471 	rt2800_bbp_write(rt2x00dev, 159, cal);
3472 
3473 	/* TX1 IQ Gain */
3474 	rt2800_bbp_write(rt2x00dev, 158, 0x4a);
3475 	if (channel <= 14)
3476 		cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX1_2G);
3477 	else if (channel >= 36 && channel <= 64)
3478 		cal = rt2x00_eeprom_byte(rt2x00dev,
3479 					 EEPROM_IQ_GAIN_CAL_TX1_CH36_TO_CH64_5G);
3480 	else if (channel >= 100 && channel <= 138)
3481 		cal = rt2x00_eeprom_byte(rt2x00dev,
3482 					 EEPROM_IQ_GAIN_CAL_TX1_CH100_TO_CH138_5G);
3483 	else if (channel >= 140 && channel <= 165)
3484 		cal = rt2x00_eeprom_byte(rt2x00dev,
3485 					 EEPROM_IQ_GAIN_CAL_TX1_CH140_TO_CH165_5G);
3486 	else
3487 		cal = 0;
3488 	rt2800_bbp_write(rt2x00dev, 159, cal);
3489 
3490 	/* TX1 IQ Phase */
3491 	rt2800_bbp_write(rt2x00dev, 158, 0x4b);
3492 	if (channel <= 14)
3493 		cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX1_2G);
3494 	else if (channel >= 36 && channel <= 64)
3495 		cal = rt2x00_eeprom_byte(rt2x00dev,
3496 					 EEPROM_IQ_PHASE_CAL_TX1_CH36_TO_CH64_5G);
3497 	else if (channel >= 100 && channel <= 138)
3498 		cal = rt2x00_eeprom_byte(rt2x00dev,
3499 					 EEPROM_IQ_PHASE_CAL_TX1_CH100_TO_CH138_5G);
3500 	else if (channel >= 140 && channel <= 165)
3501 		cal = rt2x00_eeprom_byte(rt2x00dev,
3502 					 EEPROM_IQ_PHASE_CAL_TX1_CH140_TO_CH165_5G);
3503 	else
3504 		cal = 0;
3505 	rt2800_bbp_write(rt2x00dev, 159, cal);
3506 
3507 	/* FIXME: possible RX0, RX1 callibration ? */
3508 
3509 	/* RF IQ compensation control */
3510 	rt2800_bbp_write(rt2x00dev, 158, 0x04);
3511 	cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_RF_IQ_COMPENSATION_CONTROL);
3512 	rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0);
3513 
3514 	/* RF IQ imbalance compensation control */
3515 	rt2800_bbp_write(rt2x00dev, 158, 0x03);
3516 	cal = rt2x00_eeprom_byte(rt2x00dev,
3517 				 EEPROM_RF_IQ_IMBALANCE_COMPENSATION_CONTROL);
3518 	rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0);
3519 }
3520 
rt2800_txpower_to_dev(struct rt2x00_dev * rt2x00dev,unsigned int channel,char txpower)3521 static char rt2800_txpower_to_dev(struct rt2x00_dev *rt2x00dev,
3522 				  unsigned int channel,
3523 				  char txpower)
3524 {
3525 	if (rt2x00_rt(rt2x00dev, RT3593))
3526 		txpower = rt2x00_get_field8(txpower, EEPROM_TXPOWER_ALC);
3527 
3528 	if (channel <= 14)
3529 		return clamp_t(char, txpower, MIN_G_TXPOWER, MAX_G_TXPOWER);
3530 
3531 	if (rt2x00_rt(rt2x00dev, RT3593))
3532 		return clamp_t(char, txpower, MIN_A_TXPOWER_3593,
3533 			       MAX_A_TXPOWER_3593);
3534 	else
3535 		return clamp_t(char, txpower, MIN_A_TXPOWER, MAX_A_TXPOWER);
3536 }
3537 
rt2800_config_channel(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)3538 static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
3539 				  struct ieee80211_conf *conf,
3540 				  struct rf_channel *rf,
3541 				  struct channel_info *info)
3542 {
3543 	u32 reg;
3544 	u32 tx_pin;
3545 	u8 bbp, rfcsr;
3546 
3547 	info->default_power1 = rt2800_txpower_to_dev(rt2x00dev, rf->channel,
3548 						     info->default_power1);
3549 	info->default_power2 = rt2800_txpower_to_dev(rt2x00dev, rf->channel,
3550 						     info->default_power2);
3551 	if (rt2x00dev->default_ant.tx_chain_num > 2)
3552 		info->default_power3 =
3553 			rt2800_txpower_to_dev(rt2x00dev, rf->channel,
3554 					      info->default_power3);
3555 
3556 	switch (rt2x00dev->chip.rf) {
3557 	case RF2020:
3558 	case RF3020:
3559 	case RF3021:
3560 	case RF3022:
3561 	case RF3320:
3562 		rt2800_config_channel_rf3xxx(rt2x00dev, conf, rf, info);
3563 		break;
3564 	case RF3052:
3565 		rt2800_config_channel_rf3052(rt2x00dev, conf, rf, info);
3566 		break;
3567 	case RF3053:
3568 		rt2800_config_channel_rf3053(rt2x00dev, conf, rf, info);
3569 		break;
3570 	case RF3290:
3571 		rt2800_config_channel_rf3290(rt2x00dev, conf, rf, info);
3572 		break;
3573 	case RF3322:
3574 		rt2800_config_channel_rf3322(rt2x00dev, conf, rf, info);
3575 		break;
3576 	case RF3070:
3577 	case RF5350:
3578 	case RF5360:
3579 	case RF5362:
3580 	case RF5370:
3581 	case RF5372:
3582 	case RF5390:
3583 	case RF5392:
3584 		rt2800_config_channel_rf53xx(rt2x00dev, conf, rf, info);
3585 		break;
3586 	case RF5592:
3587 		rt2800_config_channel_rf55xx(rt2x00dev, conf, rf, info);
3588 		break;
3589 	case RF7620:
3590 		rt2800_config_channel_rf7620(rt2x00dev, conf, rf, info);
3591 		break;
3592 	default:
3593 		rt2800_config_channel_rf2xxx(rt2x00dev, conf, rf, info);
3594 	}
3595 
3596 	if (rt2x00_rf(rt2x00dev, RF3070) ||
3597 	    rt2x00_rf(rt2x00dev, RF3290) ||
3598 	    rt2x00_rf(rt2x00dev, RF3322) ||
3599 	    rt2x00_rf(rt2x00dev, RF5350) ||
3600 	    rt2x00_rf(rt2x00dev, RF5360) ||
3601 	    rt2x00_rf(rt2x00dev, RF5362) ||
3602 	    rt2x00_rf(rt2x00dev, RF5370) ||
3603 	    rt2x00_rf(rt2x00dev, RF5372) ||
3604 	    rt2x00_rf(rt2x00dev, RF5390) ||
3605 	    rt2x00_rf(rt2x00dev, RF5392)) {
3606 		rfcsr = rt2800_rfcsr_read(rt2x00dev, 30);
3607 		if (rt2x00_rf(rt2x00dev, RF3322)) {
3608 			rt2x00_set_field8(&rfcsr, RF3322_RFCSR30_TX_H20M,
3609 					  conf_is_ht40(conf));
3610 			rt2x00_set_field8(&rfcsr, RF3322_RFCSR30_RX_H20M,
3611 					  conf_is_ht40(conf));
3612 		} else {
3613 			rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M,
3614 					  conf_is_ht40(conf));
3615 			rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M,
3616 					  conf_is_ht40(conf));
3617 		}
3618 		rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
3619 
3620 		rfcsr = rt2800_rfcsr_read(rt2x00dev, 3);
3621 		rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
3622 		rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
3623 	}
3624 
3625 	/*
3626 	 * Change BBP settings
3627 	 */
3628 
3629 	if (rt2x00_rt(rt2x00dev, RT3352)) {
3630 		rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
3631 		rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
3632 		rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
3633 
3634 		rt2800_bbp_write(rt2x00dev, 27, 0x0);
3635 		rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain);
3636 		rt2800_bbp_write(rt2x00dev, 27, 0x20);
3637 		rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain);
3638 		rt2800_bbp_write(rt2x00dev, 86, 0x38);
3639 		rt2800_bbp_write(rt2x00dev, 83, 0x6a);
3640 	} else if (rt2x00_rt(rt2x00dev, RT3593)) {
3641 		if (rf->channel > 14) {
3642 			/* Disable CCK Packet detection on 5GHz */
3643 			rt2800_bbp_write(rt2x00dev, 70, 0x00);
3644 		} else {
3645 			rt2800_bbp_write(rt2x00dev, 70, 0x0a);
3646 		}
3647 
3648 		if (conf_is_ht40(conf))
3649 			rt2800_bbp_write(rt2x00dev, 105, 0x04);
3650 		else
3651 			rt2800_bbp_write(rt2x00dev, 105, 0x34);
3652 
3653 		rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
3654 		rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
3655 		rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
3656 		rt2800_bbp_write(rt2x00dev, 77, 0x98);
3657 	} else {
3658 		rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
3659 		rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
3660 		rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
3661 		rt2800_bbp_write(rt2x00dev, 86, 0);
3662 	}
3663 
3664 	if (rf->channel <= 14) {
3665 		if (!rt2x00_rt(rt2x00dev, RT5390) &&
3666 		    !rt2x00_rt(rt2x00dev, RT5392) &&
3667 		    !rt2x00_rt(rt2x00dev, RT6352)) {
3668 			if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) {
3669 				rt2800_bbp_write(rt2x00dev, 82, 0x62);
3670 				rt2800_bbp_write(rt2x00dev, 75, 0x46);
3671 			} else {
3672 				if (rt2x00_rt(rt2x00dev, RT3593))
3673 					rt2800_bbp_write(rt2x00dev, 82, 0x62);
3674 				else
3675 					rt2800_bbp_write(rt2x00dev, 82, 0x84);
3676 				rt2800_bbp_write(rt2x00dev, 75, 0x50);
3677 			}
3678 			if (rt2x00_rt(rt2x00dev, RT3593))
3679 				rt2800_bbp_write(rt2x00dev, 83, 0x8a);
3680 		}
3681 
3682 	} else {
3683 		if (rt2x00_rt(rt2x00dev, RT3572))
3684 			rt2800_bbp_write(rt2x00dev, 82, 0x94);
3685 		else if (rt2x00_rt(rt2x00dev, RT3593))
3686 			rt2800_bbp_write(rt2x00dev, 82, 0x82);
3687 		else if (!rt2x00_rt(rt2x00dev, RT6352))
3688 			rt2800_bbp_write(rt2x00dev, 82, 0xf2);
3689 
3690 		if (rt2x00_rt(rt2x00dev, RT3593))
3691 			rt2800_bbp_write(rt2x00dev, 83, 0x9a);
3692 
3693 		if (rt2x00_has_cap_external_lna_a(rt2x00dev))
3694 			rt2800_bbp_write(rt2x00dev, 75, 0x46);
3695 		else
3696 			rt2800_bbp_write(rt2x00dev, 75, 0x50);
3697 	}
3698 
3699 	reg = rt2800_register_read(rt2x00dev, TX_BAND_CFG);
3700 	rt2x00_set_field32(&reg, TX_BAND_CFG_HT40_MINUS, conf_is_ht40_minus(conf));
3701 	rt2x00_set_field32(&reg, TX_BAND_CFG_A, rf->channel > 14);
3702 	rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
3703 	rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg);
3704 
3705 	if (rt2x00_rt(rt2x00dev, RT3572))
3706 		rt2800_rfcsr_write(rt2x00dev, 8, 0);
3707 
3708 	if (rt2x00_rt(rt2x00dev, RT6352))
3709 		tx_pin = rt2800_register_read(rt2x00dev, TX_PIN_CFG);
3710 	else
3711 		tx_pin = 0;
3712 
3713 	switch (rt2x00dev->default_ant.tx_chain_num) {
3714 	case 3:
3715 		/* Turn on tertiary PAs */
3716 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN,
3717 				   rf->channel > 14);
3718 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN,
3719 				   rf->channel <= 14);
3720 		/* fall-through */
3721 	case 2:
3722 		/* Turn on secondary PAs */
3723 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN,
3724 				   rf->channel > 14);
3725 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN,
3726 				   rf->channel <= 14);
3727 		/* fall-through */
3728 	case 1:
3729 		/* Turn on primary PAs */
3730 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN,
3731 				   rf->channel > 14);
3732 		if (rt2x00_has_cap_bt_coexist(rt2x00dev))
3733 			rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
3734 		else
3735 			rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN,
3736 					   rf->channel <= 14);
3737 		break;
3738 	}
3739 
3740 	switch (rt2x00dev->default_ant.rx_chain_num) {
3741 	case 3:
3742 		/* Turn on tertiary LNAs */
3743 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A2_EN, 1);
3744 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G2_EN, 1);
3745 		/* fall-through */
3746 	case 2:
3747 		/* Turn on secondary LNAs */
3748 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
3749 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
3750 		/* fall-through */
3751 	case 1:
3752 		/* Turn on primary LNAs */
3753 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
3754 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
3755 		break;
3756 	}
3757 
3758 	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
3759 	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
3760 	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFRX_EN, 1); /* mt7620 */
3761 
3762 	rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
3763 
3764 	if (rt2x00_rt(rt2x00dev, RT3572)) {
3765 		rt2800_rfcsr_write(rt2x00dev, 8, 0x80);
3766 
3767 		/* AGC init */
3768 		if (rf->channel <= 14)
3769 			reg = 0x1c + (2 * rt2x00dev->lna_gain);
3770 		else
3771 			reg = 0x22 + ((rt2x00dev->lna_gain * 5) / 3);
3772 
3773 		rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
3774 	}
3775 
3776 	if (rt2x00_rt(rt2x00dev, RT3593)) {
3777 		reg = rt2800_register_read(rt2x00dev, GPIO_CTRL);
3778 
3779 		/* Band selection */
3780 		if (rt2x00_is_usb(rt2x00dev) ||
3781 		    rt2x00_is_pcie(rt2x00dev)) {
3782 			/* GPIO #8 controls all paths */
3783 			rt2x00_set_field32(&reg, GPIO_CTRL_DIR8, 0);
3784 			if (rf->channel <= 14)
3785 				rt2x00_set_field32(&reg, GPIO_CTRL_VAL8, 1);
3786 			else
3787 				rt2x00_set_field32(&reg, GPIO_CTRL_VAL8, 0);
3788 		}
3789 
3790 		/* LNA PE control. */
3791 		if (rt2x00_is_usb(rt2x00dev)) {
3792 			/* GPIO #4 controls PE0 and PE1,
3793 			 * GPIO #7 controls PE2
3794 			 */
3795 			rt2x00_set_field32(&reg, GPIO_CTRL_DIR4, 0);
3796 			rt2x00_set_field32(&reg, GPIO_CTRL_DIR7, 0);
3797 
3798 			rt2x00_set_field32(&reg, GPIO_CTRL_VAL4, 1);
3799 			rt2x00_set_field32(&reg, GPIO_CTRL_VAL7, 1);
3800 		} else if (rt2x00_is_pcie(rt2x00dev)) {
3801 			/* GPIO #4 controls PE0, PE1 and PE2 */
3802 			rt2x00_set_field32(&reg, GPIO_CTRL_DIR4, 0);
3803 			rt2x00_set_field32(&reg, GPIO_CTRL_VAL4, 1);
3804 		}
3805 
3806 		rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
3807 
3808 		/* AGC init */
3809 		if (rf->channel <= 14)
3810 			reg = 0x1c + 2 * rt2x00dev->lna_gain;
3811 		else
3812 			reg = 0x22 + ((rt2x00dev->lna_gain * 5) / 3);
3813 
3814 		rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
3815 
3816 		usleep_range(1000, 1500);
3817 	}
3818 
3819 	if (rt2x00_rt(rt2x00dev, RT5592) || rt2x00_rt(rt2x00dev, RT6352)) {
3820 		reg = 0x10;
3821 		if (!conf_is_ht40(conf)) {
3822 			if (rt2x00_rt(rt2x00dev, RT6352) &&
3823 			    rt2x00_has_cap_external_lna_bg(rt2x00dev)) {
3824 				reg |= 0x5;
3825 			} else {
3826 				reg |= 0xa;
3827 			}
3828 		}
3829 		rt2800_bbp_write(rt2x00dev, 195, 141);
3830 		rt2800_bbp_write(rt2x00dev, 196, reg);
3831 
3832 		/* AGC init */
3833 		if (rt2x00_rt(rt2x00dev, RT6352))
3834 			reg = 0x04;
3835 		else
3836 			reg = rf->channel <= 14 ? 0x1c : 0x24;
3837 
3838 		reg += 2 * rt2x00dev->lna_gain;
3839 		rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
3840 
3841 		rt2800_iq_calibrate(rt2x00dev, rf->channel);
3842 	}
3843 
3844 	bbp = rt2800_bbp_read(rt2x00dev, 4);
3845 	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
3846 	rt2800_bbp_write(rt2x00dev, 4, bbp);
3847 
3848 	bbp = rt2800_bbp_read(rt2x00dev, 3);
3849 	rt2x00_set_field8(&bbp, BBP3_HT40_MINUS, conf_is_ht40_minus(conf));
3850 	rt2800_bbp_write(rt2x00dev, 3, bbp);
3851 
3852 	if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
3853 		if (conf_is_ht40(conf)) {
3854 			rt2800_bbp_write(rt2x00dev, 69, 0x1a);
3855 			rt2800_bbp_write(rt2x00dev, 70, 0x0a);
3856 			rt2800_bbp_write(rt2x00dev, 73, 0x16);
3857 		} else {
3858 			rt2800_bbp_write(rt2x00dev, 69, 0x16);
3859 			rt2800_bbp_write(rt2x00dev, 70, 0x08);
3860 			rt2800_bbp_write(rt2x00dev, 73, 0x11);
3861 		}
3862 	}
3863 
3864 	usleep_range(1000, 1500);
3865 
3866 	/*
3867 	 * Clear channel statistic counters
3868 	 */
3869 	reg = rt2800_register_read(rt2x00dev, CH_IDLE_STA);
3870 	reg = rt2800_register_read(rt2x00dev, CH_BUSY_STA);
3871 	reg = rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC);
3872 
3873 	/*
3874 	 * Clear update flag
3875 	 */
3876 	if (rt2x00_rt(rt2x00dev, RT3352) ||
3877 	    rt2x00_rt(rt2x00dev, RT5350)) {
3878 		bbp = rt2800_bbp_read(rt2x00dev, 49);
3879 		rt2x00_set_field8(&bbp, BBP49_UPDATE_FLAG, 0);
3880 		rt2800_bbp_write(rt2x00dev, 49, bbp);
3881 	}
3882 }
3883 
rt2800_get_gain_calibration_delta(struct rt2x00_dev * rt2x00dev)3884 static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev)
3885 {
3886 	u8 tssi_bounds[9];
3887 	u8 current_tssi;
3888 	u16 eeprom;
3889 	u8 step;
3890 	int i;
3891 
3892 	/*
3893 	 * First check if temperature compensation is supported.
3894 	 */
3895 	eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
3896 	if (!rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC))
3897 		return 0;
3898 
3899 	/*
3900 	 * Read TSSI boundaries for temperature compensation from
3901 	 * the EEPROM.
3902 	 *
3903 	 * Array idx               0    1    2    3    4    5    6    7    8
3904 	 * Matching Delta value   -4   -3   -2   -1    0   +1   +2   +3   +4
3905 	 * Example TSSI bounds  0xF0 0xD0 0xB5 0xA0 0x88 0x45 0x25 0x15 0x00
3906 	 */
3907 	if (rt2x00dev->curr_band == NL80211_BAND_2GHZ) {
3908 		eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG1);
3909 		tssi_bounds[0] = rt2x00_get_field16(eeprom,
3910 					EEPROM_TSSI_BOUND_BG1_MINUS4);
3911 		tssi_bounds[1] = rt2x00_get_field16(eeprom,
3912 					EEPROM_TSSI_BOUND_BG1_MINUS3);
3913 
3914 		eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG2);
3915 		tssi_bounds[2] = rt2x00_get_field16(eeprom,
3916 					EEPROM_TSSI_BOUND_BG2_MINUS2);
3917 		tssi_bounds[3] = rt2x00_get_field16(eeprom,
3918 					EEPROM_TSSI_BOUND_BG2_MINUS1);
3919 
3920 		eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG3);
3921 		tssi_bounds[4] = rt2x00_get_field16(eeprom,
3922 					EEPROM_TSSI_BOUND_BG3_REF);
3923 		tssi_bounds[5] = rt2x00_get_field16(eeprom,
3924 					EEPROM_TSSI_BOUND_BG3_PLUS1);
3925 
3926 		eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG4);
3927 		tssi_bounds[6] = rt2x00_get_field16(eeprom,
3928 					EEPROM_TSSI_BOUND_BG4_PLUS2);
3929 		tssi_bounds[7] = rt2x00_get_field16(eeprom,
3930 					EEPROM_TSSI_BOUND_BG4_PLUS3);
3931 
3932 		eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG5);
3933 		tssi_bounds[8] = rt2x00_get_field16(eeprom,
3934 					EEPROM_TSSI_BOUND_BG5_PLUS4);
3935 
3936 		step = rt2x00_get_field16(eeprom,
3937 					  EEPROM_TSSI_BOUND_BG5_AGC_STEP);
3938 	} else {
3939 		eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A1);
3940 		tssi_bounds[0] = rt2x00_get_field16(eeprom,
3941 					EEPROM_TSSI_BOUND_A1_MINUS4);
3942 		tssi_bounds[1] = rt2x00_get_field16(eeprom,
3943 					EEPROM_TSSI_BOUND_A1_MINUS3);
3944 
3945 		eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A2);
3946 		tssi_bounds[2] = rt2x00_get_field16(eeprom,
3947 					EEPROM_TSSI_BOUND_A2_MINUS2);
3948 		tssi_bounds[3] = rt2x00_get_field16(eeprom,
3949 					EEPROM_TSSI_BOUND_A2_MINUS1);
3950 
3951 		eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A3);
3952 		tssi_bounds[4] = rt2x00_get_field16(eeprom,
3953 					EEPROM_TSSI_BOUND_A3_REF);
3954 		tssi_bounds[5] = rt2x00_get_field16(eeprom,
3955 					EEPROM_TSSI_BOUND_A3_PLUS1);
3956 
3957 		eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A4);
3958 		tssi_bounds[6] = rt2x00_get_field16(eeprom,
3959 					EEPROM_TSSI_BOUND_A4_PLUS2);
3960 		tssi_bounds[7] = rt2x00_get_field16(eeprom,
3961 					EEPROM_TSSI_BOUND_A4_PLUS3);
3962 
3963 		eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A5);
3964 		tssi_bounds[8] = rt2x00_get_field16(eeprom,
3965 					EEPROM_TSSI_BOUND_A5_PLUS4);
3966 
3967 		step = rt2x00_get_field16(eeprom,
3968 					  EEPROM_TSSI_BOUND_A5_AGC_STEP);
3969 	}
3970 
3971 	/*
3972 	 * Check if temperature compensation is supported.
3973 	 */
3974 	if (tssi_bounds[4] == 0xff || step == 0xff)
3975 		return 0;
3976 
3977 	/*
3978 	 * Read current TSSI (BBP 49).
3979 	 */
3980 	current_tssi = rt2800_bbp_read(rt2x00dev, 49);
3981 
3982 	/*
3983 	 * Compare TSSI value (BBP49) with the compensation boundaries
3984 	 * from the EEPROM and increase or decrease tx power.
3985 	 */
3986 	for (i = 0; i <= 3; i++) {
3987 		if (current_tssi > tssi_bounds[i])
3988 			break;
3989 	}
3990 
3991 	if (i == 4) {
3992 		for (i = 8; i >= 5; i--) {
3993 			if (current_tssi < tssi_bounds[i])
3994 				break;
3995 		}
3996 	}
3997 
3998 	return (i - 4) * step;
3999 }
4000 
rt2800_get_txpower_bw_comp(struct rt2x00_dev * rt2x00dev,enum nl80211_band band)4001 static int rt2800_get_txpower_bw_comp(struct rt2x00_dev *rt2x00dev,
4002 				      enum nl80211_band band)
4003 {
4004 	u16 eeprom;
4005 	u8 comp_en;
4006 	u8 comp_type;
4007 	int comp_value = 0;
4008 
4009 	eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_TXPOWER_DELTA);
4010 
4011 	/*
4012 	 * HT40 compensation not required.
4013 	 */
4014 	if (eeprom == 0xffff ||
4015 	    !test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
4016 		return 0;
4017 
4018 	if (band == NL80211_BAND_2GHZ) {
4019 		comp_en = rt2x00_get_field16(eeprom,
4020 				 EEPROM_TXPOWER_DELTA_ENABLE_2G);
4021 		if (comp_en) {
4022 			comp_type = rt2x00_get_field16(eeprom,
4023 					   EEPROM_TXPOWER_DELTA_TYPE_2G);
4024 			comp_value = rt2x00_get_field16(eeprom,
4025 					    EEPROM_TXPOWER_DELTA_VALUE_2G);
4026 			if (!comp_type)
4027 				comp_value = -comp_value;
4028 		}
4029 	} else {
4030 		comp_en = rt2x00_get_field16(eeprom,
4031 				 EEPROM_TXPOWER_DELTA_ENABLE_5G);
4032 		if (comp_en) {
4033 			comp_type = rt2x00_get_field16(eeprom,
4034 					   EEPROM_TXPOWER_DELTA_TYPE_5G);
4035 			comp_value = rt2x00_get_field16(eeprom,
4036 					    EEPROM_TXPOWER_DELTA_VALUE_5G);
4037 			if (!comp_type)
4038 				comp_value = -comp_value;
4039 		}
4040 	}
4041 
4042 	return comp_value;
4043 }
4044 
rt2800_get_txpower_reg_delta(struct rt2x00_dev * rt2x00dev,int power_level,int max_power)4045 static int rt2800_get_txpower_reg_delta(struct rt2x00_dev *rt2x00dev,
4046 					int power_level, int max_power)
4047 {
4048 	int delta;
4049 
4050 	if (rt2x00_has_cap_power_limit(rt2x00dev))
4051 		return 0;
4052 
4053 	/*
4054 	 * XXX: We don't know the maximum transmit power of our hardware since
4055 	 * the EEPROM doesn't expose it. We only know that we are calibrated
4056 	 * to 100% tx power.
4057 	 *
4058 	 * Hence, we assume the regulatory limit that cfg80211 calulated for
4059 	 * the current channel is our maximum and if we are requested to lower
4060 	 * the value we just reduce our tx power accordingly.
4061 	 */
4062 	delta = power_level - max_power;
4063 	return min(delta, 0);
4064 }
4065 
rt2800_compensate_txpower(struct rt2x00_dev * rt2x00dev,int is_rate_b,enum nl80211_band band,int power_level,u8 txpower,int delta)4066 static u8 rt2800_compensate_txpower(struct rt2x00_dev *rt2x00dev, int is_rate_b,
4067 				   enum nl80211_band band, int power_level,
4068 				   u8 txpower, int delta)
4069 {
4070 	u16 eeprom;
4071 	u8 criterion;
4072 	u8 eirp_txpower;
4073 	u8 eirp_txpower_criterion;
4074 	u8 reg_limit;
4075 
4076 	if (rt2x00_rt(rt2x00dev, RT3593))
4077 		return min_t(u8, txpower, 0xc);
4078 
4079 	if (rt2x00_has_cap_power_limit(rt2x00dev)) {
4080 		/*
4081 		 * Check if eirp txpower exceed txpower_limit.
4082 		 * We use OFDM 6M as criterion and its eirp txpower
4083 		 * is stored at EEPROM_EIRP_MAX_TX_POWER.
4084 		 * .11b data rate need add additional 4dbm
4085 		 * when calculating eirp txpower.
4086 		 */
4087 		eeprom = rt2800_eeprom_read_from_array(rt2x00dev,
4088 						       EEPROM_TXPOWER_BYRATE,
4089 						       1);
4090 		criterion = rt2x00_get_field16(eeprom,
4091 					       EEPROM_TXPOWER_BYRATE_RATE0);
4092 
4093 		eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER);
4094 
4095 		if (band == NL80211_BAND_2GHZ)
4096 			eirp_txpower_criterion = rt2x00_get_field16(eeprom,
4097 						 EEPROM_EIRP_MAX_TX_POWER_2GHZ);
4098 		else
4099 			eirp_txpower_criterion = rt2x00_get_field16(eeprom,
4100 						 EEPROM_EIRP_MAX_TX_POWER_5GHZ);
4101 
4102 		eirp_txpower = eirp_txpower_criterion + (txpower - criterion) +
4103 			       (is_rate_b ? 4 : 0) + delta;
4104 
4105 		reg_limit = (eirp_txpower > power_level) ?
4106 					(eirp_txpower - power_level) : 0;
4107 	} else
4108 		reg_limit = 0;
4109 
4110 	txpower = max(0, txpower + delta - reg_limit);
4111 	return min_t(u8, txpower, 0xc);
4112 }
4113 
4114 
4115 enum {
4116 	TX_PWR_CFG_0_IDX,
4117 	TX_PWR_CFG_1_IDX,
4118 	TX_PWR_CFG_2_IDX,
4119 	TX_PWR_CFG_3_IDX,
4120 	TX_PWR_CFG_4_IDX,
4121 	TX_PWR_CFG_5_IDX,
4122 	TX_PWR_CFG_6_IDX,
4123 	TX_PWR_CFG_7_IDX,
4124 	TX_PWR_CFG_8_IDX,
4125 	TX_PWR_CFG_9_IDX,
4126 	TX_PWR_CFG_0_EXT_IDX,
4127 	TX_PWR_CFG_1_EXT_IDX,
4128 	TX_PWR_CFG_2_EXT_IDX,
4129 	TX_PWR_CFG_3_EXT_IDX,
4130 	TX_PWR_CFG_4_EXT_IDX,
4131 	TX_PWR_CFG_IDX_COUNT,
4132 };
4133 
rt2800_config_txpower_rt3593(struct rt2x00_dev * rt2x00dev,struct ieee80211_channel * chan,int power_level)4134 static void rt2800_config_txpower_rt3593(struct rt2x00_dev *rt2x00dev,
4135 					 struct ieee80211_channel *chan,
4136 					 int power_level)
4137 {
4138 	u8 txpower;
4139 	u16 eeprom;
4140 	u32 regs[TX_PWR_CFG_IDX_COUNT];
4141 	unsigned int offset;
4142 	enum nl80211_band band = chan->band;
4143 	int delta;
4144 	int i;
4145 
4146 	memset(regs, '\0', sizeof(regs));
4147 
4148 	/* TODO: adapt TX power reduction from the rt28xx code */
4149 
4150 	/* calculate temperature compensation delta */
4151 	delta = rt2800_get_gain_calibration_delta(rt2x00dev);
4152 
4153 	if (band == NL80211_BAND_5GHZ)
4154 		offset = 16;
4155 	else
4156 		offset = 0;
4157 
4158 	if (test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
4159 		offset += 8;
4160 
4161 	/* read the next four txpower values */
4162 	eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4163 					       offset);
4164 
4165 	/* CCK 1MBS,2MBS */
4166 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
4167 	txpower = rt2800_compensate_txpower(rt2x00dev, 1, band, power_level,
4168 					    txpower, delta);
4169 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
4170 			   TX_PWR_CFG_0_CCK1_CH0, txpower);
4171 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
4172 			   TX_PWR_CFG_0_CCK1_CH1, txpower);
4173 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_EXT_IDX],
4174 			   TX_PWR_CFG_0_EXT_CCK1_CH2, txpower);
4175 
4176 	/* CCK 5.5MBS,11MBS */
4177 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
4178 	txpower = rt2800_compensate_txpower(rt2x00dev, 1, band, power_level,
4179 					    txpower, delta);
4180 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
4181 			   TX_PWR_CFG_0_CCK5_CH0, txpower);
4182 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
4183 			   TX_PWR_CFG_0_CCK5_CH1, txpower);
4184 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_EXT_IDX],
4185 			   TX_PWR_CFG_0_EXT_CCK5_CH2, txpower);
4186 
4187 	/* OFDM 6MBS,9MBS */
4188 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
4189 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4190 					    txpower, delta);
4191 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
4192 			   TX_PWR_CFG_0_OFDM6_CH0, txpower);
4193 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
4194 			   TX_PWR_CFG_0_OFDM6_CH1, txpower);
4195 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_EXT_IDX],
4196 			   TX_PWR_CFG_0_EXT_OFDM6_CH2, txpower);
4197 
4198 	/* OFDM 12MBS,18MBS */
4199 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
4200 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4201 					    txpower, delta);
4202 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
4203 			   TX_PWR_CFG_0_OFDM12_CH0, txpower);
4204 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
4205 			   TX_PWR_CFG_0_OFDM12_CH1, txpower);
4206 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_EXT_IDX],
4207 			   TX_PWR_CFG_0_EXT_OFDM12_CH2, txpower);
4208 
4209 	/* read the next four txpower values */
4210 	eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4211 					       offset + 1);
4212 
4213 	/* OFDM 24MBS,36MBS */
4214 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
4215 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4216 					    txpower, delta);
4217 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
4218 			   TX_PWR_CFG_1_OFDM24_CH0, txpower);
4219 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
4220 			   TX_PWR_CFG_1_OFDM24_CH1, txpower);
4221 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_EXT_IDX],
4222 			   TX_PWR_CFG_1_EXT_OFDM24_CH2, txpower);
4223 
4224 	/* OFDM 48MBS */
4225 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
4226 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4227 					    txpower, delta);
4228 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
4229 			   TX_PWR_CFG_1_OFDM48_CH0, txpower);
4230 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
4231 			   TX_PWR_CFG_1_OFDM48_CH1, txpower);
4232 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_EXT_IDX],
4233 			   TX_PWR_CFG_1_EXT_OFDM48_CH2, txpower);
4234 
4235 	/* OFDM 54MBS */
4236 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
4237 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4238 					    txpower, delta);
4239 	rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
4240 			   TX_PWR_CFG_7_OFDM54_CH0, txpower);
4241 	rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
4242 			   TX_PWR_CFG_7_OFDM54_CH1, txpower);
4243 	rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
4244 			   TX_PWR_CFG_7_OFDM54_CH2, txpower);
4245 
4246 	/* read the next four txpower values */
4247 	eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4248 					       offset + 2);
4249 
4250 	/* MCS 0,1 */
4251 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
4252 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4253 					    txpower, delta);
4254 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
4255 			   TX_PWR_CFG_1_MCS0_CH0, txpower);
4256 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
4257 			   TX_PWR_CFG_1_MCS0_CH1, txpower);
4258 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_EXT_IDX],
4259 			   TX_PWR_CFG_1_EXT_MCS0_CH2, txpower);
4260 
4261 	/* MCS 2,3 */
4262 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
4263 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4264 					    txpower, delta);
4265 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
4266 			   TX_PWR_CFG_1_MCS2_CH0, txpower);
4267 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
4268 			   TX_PWR_CFG_1_MCS2_CH1, txpower);
4269 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_EXT_IDX],
4270 			   TX_PWR_CFG_1_EXT_MCS2_CH2, txpower);
4271 
4272 	/* MCS 4,5 */
4273 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
4274 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4275 					    txpower, delta);
4276 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
4277 			   TX_PWR_CFG_2_MCS4_CH0, txpower);
4278 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
4279 			   TX_PWR_CFG_2_MCS4_CH1, txpower);
4280 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_EXT_IDX],
4281 			   TX_PWR_CFG_2_EXT_MCS4_CH2, txpower);
4282 
4283 	/* MCS 6 */
4284 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
4285 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4286 					    txpower, delta);
4287 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
4288 			   TX_PWR_CFG_2_MCS6_CH0, txpower);
4289 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
4290 			   TX_PWR_CFG_2_MCS6_CH1, txpower);
4291 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_EXT_IDX],
4292 			   TX_PWR_CFG_2_EXT_MCS6_CH2, txpower);
4293 
4294 	/* read the next four txpower values */
4295 	eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4296 					       offset + 3);
4297 
4298 	/* MCS 7 */
4299 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
4300 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4301 					    txpower, delta);
4302 	rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
4303 			   TX_PWR_CFG_7_MCS7_CH0, txpower);
4304 	rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
4305 			   TX_PWR_CFG_7_MCS7_CH1, txpower);
4306 	rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
4307 			   TX_PWR_CFG_7_MCS7_CH2, txpower);
4308 
4309 	/* MCS 8,9 */
4310 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
4311 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4312 					    txpower, delta);
4313 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
4314 			   TX_PWR_CFG_2_MCS8_CH0, txpower);
4315 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
4316 			   TX_PWR_CFG_2_MCS8_CH1, txpower);
4317 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_EXT_IDX],
4318 			   TX_PWR_CFG_2_EXT_MCS8_CH2, txpower);
4319 
4320 	/* MCS 10,11 */
4321 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
4322 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4323 					    txpower, delta);
4324 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
4325 			   TX_PWR_CFG_2_MCS10_CH0, txpower);
4326 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
4327 			   TX_PWR_CFG_2_MCS10_CH1, txpower);
4328 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_EXT_IDX],
4329 			   TX_PWR_CFG_2_EXT_MCS10_CH2, txpower);
4330 
4331 	/* MCS 12,13 */
4332 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
4333 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4334 					    txpower, delta);
4335 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
4336 			   TX_PWR_CFG_3_MCS12_CH0, txpower);
4337 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
4338 			   TX_PWR_CFG_3_MCS12_CH1, txpower);
4339 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_EXT_IDX],
4340 			   TX_PWR_CFG_3_EXT_MCS12_CH2, txpower);
4341 
4342 	/* read the next four txpower values */
4343 	eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4344 					       offset + 4);
4345 
4346 	/* MCS 14 */
4347 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
4348 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4349 					    txpower, delta);
4350 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
4351 			   TX_PWR_CFG_3_MCS14_CH0, txpower);
4352 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
4353 			   TX_PWR_CFG_3_MCS14_CH1, txpower);
4354 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_EXT_IDX],
4355 			   TX_PWR_CFG_3_EXT_MCS14_CH2, txpower);
4356 
4357 	/* MCS 15 */
4358 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
4359 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4360 					    txpower, delta);
4361 	rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
4362 			   TX_PWR_CFG_8_MCS15_CH0, txpower);
4363 	rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
4364 			   TX_PWR_CFG_8_MCS15_CH1, txpower);
4365 	rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
4366 			   TX_PWR_CFG_8_MCS15_CH2, txpower);
4367 
4368 	/* MCS 16,17 */
4369 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
4370 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4371 					    txpower, delta);
4372 	rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
4373 			   TX_PWR_CFG_5_MCS16_CH0, txpower);
4374 	rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
4375 			   TX_PWR_CFG_5_MCS16_CH1, txpower);
4376 	rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
4377 			   TX_PWR_CFG_5_MCS16_CH2, txpower);
4378 
4379 	/* MCS 18,19 */
4380 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
4381 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4382 					    txpower, delta);
4383 	rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
4384 			   TX_PWR_CFG_5_MCS18_CH0, txpower);
4385 	rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
4386 			   TX_PWR_CFG_5_MCS18_CH1, txpower);
4387 	rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
4388 			   TX_PWR_CFG_5_MCS18_CH2, txpower);
4389 
4390 	/* read the next four txpower values */
4391 	eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4392 					       offset + 5);
4393 
4394 	/* MCS 20,21 */
4395 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
4396 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4397 					    txpower, delta);
4398 	rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
4399 			   TX_PWR_CFG_6_MCS20_CH0, txpower);
4400 	rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
4401 			   TX_PWR_CFG_6_MCS20_CH1, txpower);
4402 	rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
4403 			   TX_PWR_CFG_6_MCS20_CH2, txpower);
4404 
4405 	/* MCS 22 */
4406 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
4407 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4408 					    txpower, delta);
4409 	rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
4410 			   TX_PWR_CFG_6_MCS22_CH0, txpower);
4411 	rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
4412 			   TX_PWR_CFG_6_MCS22_CH1, txpower);
4413 	rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
4414 			   TX_PWR_CFG_6_MCS22_CH2, txpower);
4415 
4416 	/* MCS 23 */
4417 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
4418 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4419 					    txpower, delta);
4420 	rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
4421 			   TX_PWR_CFG_8_MCS23_CH0, txpower);
4422 	rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
4423 			   TX_PWR_CFG_8_MCS23_CH1, txpower);
4424 	rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
4425 			   TX_PWR_CFG_8_MCS23_CH2, txpower);
4426 
4427 	/* read the next four txpower values */
4428 	eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4429 					       offset + 6);
4430 
4431 	/* STBC, MCS 0,1 */
4432 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
4433 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4434 					    txpower, delta);
4435 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
4436 			   TX_PWR_CFG_3_STBC0_CH0, txpower);
4437 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
4438 			   TX_PWR_CFG_3_STBC0_CH1, txpower);
4439 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_EXT_IDX],
4440 			   TX_PWR_CFG_3_EXT_STBC0_CH2, txpower);
4441 
4442 	/* STBC, MCS 2,3 */
4443 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
4444 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4445 					    txpower, delta);
4446 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
4447 			   TX_PWR_CFG_3_STBC2_CH0, txpower);
4448 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
4449 			   TX_PWR_CFG_3_STBC2_CH1, txpower);
4450 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_EXT_IDX],
4451 			   TX_PWR_CFG_3_EXT_STBC2_CH2, txpower);
4452 
4453 	/* STBC, MCS 4,5 */
4454 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
4455 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4456 					    txpower, delta);
4457 	rt2x00_set_field32(&regs[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE0, txpower);
4458 	rt2x00_set_field32(&regs[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE1, txpower);
4459 	rt2x00_set_field32(&regs[TX_PWR_CFG_4_EXT_IDX], TX_PWR_CFG_RATE0,
4460 			   txpower);
4461 
4462 	/* STBC, MCS 6 */
4463 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
4464 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4465 					    txpower, delta);
4466 	rt2x00_set_field32(&regs[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE2, txpower);
4467 	rt2x00_set_field32(&regs[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE3, txpower);
4468 	rt2x00_set_field32(&regs[TX_PWR_CFG_4_EXT_IDX], TX_PWR_CFG_RATE2,
4469 			   txpower);
4470 
4471 	/* read the next four txpower values */
4472 	eeprom = rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4473 					       offset + 7);
4474 
4475 	/* STBC, MCS 7 */
4476 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
4477 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4478 					    txpower, delta);
4479 	rt2x00_set_field32(&regs[TX_PWR_CFG_9_IDX],
4480 			   TX_PWR_CFG_9_STBC7_CH0, txpower);
4481 	rt2x00_set_field32(&regs[TX_PWR_CFG_9_IDX],
4482 			   TX_PWR_CFG_9_STBC7_CH1, txpower);
4483 	rt2x00_set_field32(&regs[TX_PWR_CFG_9_IDX],
4484 			   TX_PWR_CFG_9_STBC7_CH2, txpower);
4485 
4486 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_0, regs[TX_PWR_CFG_0_IDX]);
4487 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_1, regs[TX_PWR_CFG_1_IDX]);
4488 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_2, regs[TX_PWR_CFG_2_IDX]);
4489 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_3, regs[TX_PWR_CFG_3_IDX]);
4490 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_4, regs[TX_PWR_CFG_4_IDX]);
4491 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_5, regs[TX_PWR_CFG_5_IDX]);
4492 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_6, regs[TX_PWR_CFG_6_IDX]);
4493 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_7, regs[TX_PWR_CFG_7_IDX]);
4494 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_8, regs[TX_PWR_CFG_8_IDX]);
4495 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_9, regs[TX_PWR_CFG_9_IDX]);
4496 
4497 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_0_EXT,
4498 			      regs[TX_PWR_CFG_0_EXT_IDX]);
4499 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_1_EXT,
4500 			      regs[TX_PWR_CFG_1_EXT_IDX]);
4501 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_2_EXT,
4502 			      regs[TX_PWR_CFG_2_EXT_IDX]);
4503 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_3_EXT,
4504 			      regs[TX_PWR_CFG_3_EXT_IDX]);
4505 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_4_EXT,
4506 			      regs[TX_PWR_CFG_4_EXT_IDX]);
4507 
4508 	for (i = 0; i < TX_PWR_CFG_IDX_COUNT; i++)
4509 		rt2x00_dbg(rt2x00dev,
4510 			   "band:%cGHz, BW:%c0MHz, TX_PWR_CFG_%d%s = %08lx\n",
4511 			   (band == NL80211_BAND_5GHZ) ? '5' : '2',
4512 			   (test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) ?
4513 								'4' : '2',
4514 			   (i > TX_PWR_CFG_9_IDX) ?
4515 					(i - TX_PWR_CFG_9_IDX - 1) : i,
4516 			   (i > TX_PWR_CFG_9_IDX) ? "_EXT" : "",
4517 			   (unsigned long) regs[i]);
4518 }
4519 
rt2800_config_txpower_rt6352(struct rt2x00_dev * rt2x00dev,struct ieee80211_channel * chan,int power_level)4520 static void rt2800_config_txpower_rt6352(struct rt2x00_dev *rt2x00dev,
4521 					 struct ieee80211_channel *chan,
4522 					 int power_level)
4523 {
4524 	u32 reg, pwreg;
4525 	u16 eeprom;
4526 	u32 data, gdata;
4527 	u8 t, i;
4528 	enum nl80211_band band = chan->band;
4529 	int delta;
4530 
4531 	/* Warn user if bw_comp is set in EEPROM */
4532 	delta = rt2800_get_txpower_bw_comp(rt2x00dev, band);
4533 
4534 	if (delta)
4535 		rt2x00_warn(rt2x00dev, "ignoring EEPROM HT40 power delta: %d\n",
4536 			    delta);
4537 
4538 	/* populate TX_PWR_CFG_0 up to TX_PWR_CFG_4 from EEPROM for HT20, limit
4539 	 * value to 0x3f and replace 0x20 by 0x21 as this is what the vendor
4540 	 * driver does as well, though it looks kinda wrong.
4541 	 * Maybe some misunderstanding of what a signed 8-bit value is? Maybe
4542 	 * the hardware has a problem handling 0x20, and as the code initially
4543 	 * used a fixed offset between HT20 and HT40 rates they had to work-
4544 	 * around that issue and most likely just forgot about it later on.
4545 	 * Maybe we should use rt2800_get_txpower_bw_comp() here as well,
4546 	 * however, the corresponding EEPROM value is not respected by the
4547 	 * vendor driver, so maybe this is rather being taken care of the
4548 	 * TXALC and the driver doesn't need to handle it...?
4549 	 * Though this is all very awkward, just do as they did, as that's what
4550 	 * board vendors expected when they populated the EEPROM...
4551 	 */
4552 	for (i = 0; i < 5; i++) {
4553 		eeprom = rt2800_eeprom_read_from_array(rt2x00dev,
4554 						       EEPROM_TXPOWER_BYRATE,
4555 						       i * 2);
4556 
4557 		data = eeprom;
4558 
4559 		t = eeprom & 0x3f;
4560 		if (t == 32)
4561 			t++;
4562 
4563 		gdata = t;
4564 
4565 		t = (eeprom & 0x3f00) >> 8;
4566 		if (t == 32)
4567 			t++;
4568 
4569 		gdata |= (t << 8);
4570 
4571 		eeprom = rt2800_eeprom_read_from_array(rt2x00dev,
4572 						       EEPROM_TXPOWER_BYRATE,
4573 						       (i * 2) + 1);
4574 
4575 		t = eeprom & 0x3f;
4576 		if (t == 32)
4577 			t++;
4578 
4579 		gdata |= (t << 16);
4580 
4581 		t = (eeprom & 0x3f00) >> 8;
4582 		if (t == 32)
4583 			t++;
4584 
4585 		gdata |= (t << 24);
4586 		data |= (eeprom << 16);
4587 
4588 		if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) {
4589 			/* HT20 */
4590 			if (data != 0xffffffff)
4591 				rt2800_register_write(rt2x00dev,
4592 						      TX_PWR_CFG_0 + (i * 4),
4593 						      data);
4594 		} else {
4595 			/* HT40 */
4596 			if (gdata != 0xffffffff)
4597 				rt2800_register_write(rt2x00dev,
4598 						      TX_PWR_CFG_0 + (i * 4),
4599 						      gdata);
4600 		}
4601 	}
4602 
4603 	/* Aparently Ralink ran out of space in the BYRATE calibration section
4604 	 * of the EERPOM which is copied to the corresponding TX_PWR_CFG_x
4605 	 * registers. As recent 2T chips use 8-bit instead of 4-bit values for
4606 	 * power-offsets more space would be needed. Ralink decided to keep the
4607 	 * EEPROM layout untouched and rather have some shared values covering
4608 	 * multiple bitrates.
4609 	 * Populate the registers not covered by the EEPROM in the same way the
4610 	 * vendor driver does.
4611 	 */
4612 
4613 	/* For OFDM 54MBS use value from OFDM 48MBS */
4614 	pwreg = 0;
4615 	reg = rt2800_register_read(rt2x00dev, TX_PWR_CFG_1);
4616 	t = rt2x00_get_field32(reg, TX_PWR_CFG_1B_48MBS);
4617 	rt2x00_set_field32(&pwreg, TX_PWR_CFG_7B_54MBS, t);
4618 
4619 	/* For MCS 7 use value from MCS 6 */
4620 	reg = rt2800_register_read(rt2x00dev, TX_PWR_CFG_2);
4621 	t = rt2x00_get_field32(reg, TX_PWR_CFG_2B_MCS6_MCS7);
4622 	rt2x00_set_field32(&pwreg, TX_PWR_CFG_7B_MCS7, t);
4623 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_7, pwreg);
4624 
4625 	/* For MCS 15 use value from MCS 14 */
4626 	pwreg = 0;
4627 	reg = rt2800_register_read(rt2x00dev, TX_PWR_CFG_3);
4628 	t = rt2x00_get_field32(reg, TX_PWR_CFG_3B_MCS14);
4629 	rt2x00_set_field32(&pwreg, TX_PWR_CFG_8B_MCS15, t);
4630 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_8, pwreg);
4631 
4632 	/* For STBC MCS 7 use value from STBC MCS 6 */
4633 	pwreg = 0;
4634 	reg = rt2800_register_read(rt2x00dev, TX_PWR_CFG_4);
4635 	t = rt2x00_get_field32(reg, TX_PWR_CFG_4B_STBC_MCS6);
4636 	rt2x00_set_field32(&pwreg, TX_PWR_CFG_9B_STBC_MCS7, t);
4637 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_9, pwreg);
4638 
4639 	rt2800_config_alc(rt2x00dev, chan, power_level);
4640 
4641 	/* TODO: temperature compensation code! */
4642 }
4643 
4644 /*
4645  * We configure transmit power using MAC TX_PWR_CFG_{0,...,N} registers and
4646  * BBP R1 register. TX_PWR_CFG_X allow to configure per rate TX power values,
4647  * 4 bits for each rate (tune from 0 to 15 dBm). BBP_R1 controls transmit power
4648  * for all rates, but allow to set only 4 discrete values: -12, -6, 0 and 6 dBm.
4649  * Reference per rate transmit power values are located in the EEPROM at
4650  * EEPROM_TXPOWER_BYRATE offset. We adjust them and BBP R1 settings according to
4651  * current conditions (i.e. band, bandwidth, temperature, user settings).
4652  */
rt2800_config_txpower_rt28xx(struct rt2x00_dev * rt2x00dev,struct ieee80211_channel * chan,int power_level)4653 static void rt2800_config_txpower_rt28xx(struct rt2x00_dev *rt2x00dev,
4654 					 struct ieee80211_channel *chan,
4655 					 int power_level)
4656 {
4657 	u8 txpower, r1;
4658 	u16 eeprom;
4659 	u32 reg, offset;
4660 	int i, is_rate_b, delta, power_ctrl;
4661 	enum nl80211_band band = chan->band;
4662 
4663 	/*
4664 	 * Calculate HT40 compensation. For 40MHz we need to add or subtract
4665 	 * value read from EEPROM (different for 2GHz and for 5GHz).
4666 	 */
4667 	delta = rt2800_get_txpower_bw_comp(rt2x00dev, band);
4668 
4669 	/*
4670 	 * Calculate temperature compensation. Depends on measurement of current
4671 	 * TSSI (Transmitter Signal Strength Indication) we know TX power (due
4672 	 * to temperature or maybe other factors) is smaller or bigger than
4673 	 * expected. We adjust it, based on TSSI reference and boundaries values
4674 	 * provided in EEPROM.
4675 	 */
4676 	switch (rt2x00dev->chip.rt) {
4677 	case RT2860:
4678 	case RT2872:
4679 	case RT2883:
4680 	case RT3070:
4681 	case RT3071:
4682 	case RT3090:
4683 	case RT3572:
4684 		delta += rt2800_get_gain_calibration_delta(rt2x00dev);
4685 		break;
4686 	default:
4687 		/* TODO: temperature compensation code for other chips. */
4688 		break;
4689 	}
4690 
4691 	/*
4692 	 * Decrease power according to user settings, on devices with unknown
4693 	 * maximum tx power. For other devices we take user power_level into
4694 	 * consideration on rt2800_compensate_txpower().
4695 	 */
4696 	delta += rt2800_get_txpower_reg_delta(rt2x00dev, power_level,
4697 					      chan->max_power);
4698 
4699 	/*
4700 	 * BBP_R1 controls TX power for all rates, it allow to set the following
4701 	 * gains -12, -6, 0, +6 dBm by setting values 2, 1, 0, 3 respectively.
4702 	 *
4703 	 * TODO: we do not use +6 dBm option to do not increase power beyond
4704 	 * regulatory limit, however this could be utilized for devices with
4705 	 * CAPABILITY_POWER_LIMIT.
4706 	 */
4707 	if (delta <= -12) {
4708 		power_ctrl = 2;
4709 		delta += 12;
4710 	} else if (delta <= -6) {
4711 		power_ctrl = 1;
4712 		delta += 6;
4713 	} else {
4714 		power_ctrl = 0;
4715 	}
4716 	r1 = rt2800_bbp_read(rt2x00dev, 1);
4717 	rt2x00_set_field8(&r1, BBP1_TX_POWER_CTRL, power_ctrl);
4718 	rt2800_bbp_write(rt2x00dev, 1, r1);
4719 
4720 	offset = TX_PWR_CFG_0;
4721 
4722 	for (i = 0; i < EEPROM_TXPOWER_BYRATE_SIZE; i += 2) {
4723 		/* just to be safe */
4724 		if (offset > TX_PWR_CFG_4)
4725 			break;
4726 
4727 		reg = rt2800_register_read(rt2x00dev, offset);
4728 
4729 		/* read the next four txpower values */
4730 		eeprom = rt2800_eeprom_read_from_array(rt2x00dev,
4731 						       EEPROM_TXPOWER_BYRATE,
4732 						       i);
4733 
4734 		is_rate_b = i ? 0 : 1;
4735 		/*
4736 		 * TX_PWR_CFG_0: 1MBS, TX_PWR_CFG_1: 24MBS,
4737 		 * TX_PWR_CFG_2: MCS4, TX_PWR_CFG_3: MCS12,
4738 		 * TX_PWR_CFG_4: unknown
4739 		 */
4740 		txpower = rt2x00_get_field16(eeprom,
4741 					     EEPROM_TXPOWER_BYRATE_RATE0);
4742 		txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4743 					     power_level, txpower, delta);
4744 		rt2x00_set_field32(&reg, TX_PWR_CFG_RATE0, txpower);
4745 
4746 		/*
4747 		 * TX_PWR_CFG_0: 2MBS, TX_PWR_CFG_1: 36MBS,
4748 		 * TX_PWR_CFG_2: MCS5, TX_PWR_CFG_3: MCS13,
4749 		 * TX_PWR_CFG_4: unknown
4750 		 */
4751 		txpower = rt2x00_get_field16(eeprom,
4752 					     EEPROM_TXPOWER_BYRATE_RATE1);
4753 		txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4754 					     power_level, txpower, delta);
4755 		rt2x00_set_field32(&reg, TX_PWR_CFG_RATE1, txpower);
4756 
4757 		/*
4758 		 * TX_PWR_CFG_0: 5.5MBS, TX_PWR_CFG_1: 48MBS,
4759 		 * TX_PWR_CFG_2: MCS6,  TX_PWR_CFG_3: MCS14,
4760 		 * TX_PWR_CFG_4: unknown
4761 		 */
4762 		txpower = rt2x00_get_field16(eeprom,
4763 					     EEPROM_TXPOWER_BYRATE_RATE2);
4764 		txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4765 					     power_level, txpower, delta);
4766 		rt2x00_set_field32(&reg, TX_PWR_CFG_RATE2, txpower);
4767 
4768 		/*
4769 		 * TX_PWR_CFG_0: 11MBS, TX_PWR_CFG_1: 54MBS,
4770 		 * TX_PWR_CFG_2: MCS7,  TX_PWR_CFG_3: MCS15,
4771 		 * TX_PWR_CFG_4: unknown
4772 		 */
4773 		txpower = rt2x00_get_field16(eeprom,
4774 					     EEPROM_TXPOWER_BYRATE_RATE3);
4775 		txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4776 					     power_level, txpower, delta);
4777 		rt2x00_set_field32(&reg, TX_PWR_CFG_RATE3, txpower);
4778 
4779 		/* read the next four txpower values */
4780 		eeprom = rt2800_eeprom_read_from_array(rt2x00dev,
4781 						       EEPROM_TXPOWER_BYRATE,
4782 						       i + 1);
4783 
4784 		is_rate_b = 0;
4785 		/*
4786 		 * TX_PWR_CFG_0: 6MBS, TX_PWR_CFG_1: MCS0,
4787 		 * TX_PWR_CFG_2: MCS8, TX_PWR_CFG_3: unknown,
4788 		 * TX_PWR_CFG_4: unknown
4789 		 */
4790 		txpower = rt2x00_get_field16(eeprom,
4791 					     EEPROM_TXPOWER_BYRATE_RATE0);
4792 		txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4793 					     power_level, txpower, delta);
4794 		rt2x00_set_field32(&reg, TX_PWR_CFG_RATE4, txpower);
4795 
4796 		/*
4797 		 * TX_PWR_CFG_0: 9MBS, TX_PWR_CFG_1: MCS1,
4798 		 * TX_PWR_CFG_2: MCS9, TX_PWR_CFG_3: unknown,
4799 		 * TX_PWR_CFG_4: unknown
4800 		 */
4801 		txpower = rt2x00_get_field16(eeprom,
4802 					     EEPROM_TXPOWER_BYRATE_RATE1);
4803 		txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4804 					     power_level, txpower, delta);
4805 		rt2x00_set_field32(&reg, TX_PWR_CFG_RATE5, txpower);
4806 
4807 		/*
4808 		 * TX_PWR_CFG_0: 12MBS, TX_PWR_CFG_1: MCS2,
4809 		 * TX_PWR_CFG_2: MCS10, TX_PWR_CFG_3: unknown,
4810 		 * TX_PWR_CFG_4: unknown
4811 		 */
4812 		txpower = rt2x00_get_field16(eeprom,
4813 					     EEPROM_TXPOWER_BYRATE_RATE2);
4814 		txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4815 					     power_level, txpower, delta);
4816 		rt2x00_set_field32(&reg, TX_PWR_CFG_RATE6, txpower);
4817 
4818 		/*
4819 		 * TX_PWR_CFG_0: 18MBS, TX_PWR_CFG_1: MCS3,
4820 		 * TX_PWR_CFG_2: MCS11, TX_PWR_CFG_3: unknown,
4821 		 * TX_PWR_CFG_4: unknown
4822 		 */
4823 		txpower = rt2x00_get_field16(eeprom,
4824 					     EEPROM_TXPOWER_BYRATE_RATE3);
4825 		txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4826 					     power_level, txpower, delta);
4827 		rt2x00_set_field32(&reg, TX_PWR_CFG_RATE7, txpower);
4828 
4829 		rt2800_register_write(rt2x00dev, offset, reg);
4830 
4831 		/* next TX_PWR_CFG register */
4832 		offset += 4;
4833 	}
4834 }
4835 
rt2800_config_txpower(struct rt2x00_dev * rt2x00dev,struct ieee80211_channel * chan,int power_level)4836 static void rt2800_config_txpower(struct rt2x00_dev *rt2x00dev,
4837 				  struct ieee80211_channel *chan,
4838 				  int power_level)
4839 {
4840 	if (rt2x00_rt(rt2x00dev, RT3593))
4841 		rt2800_config_txpower_rt3593(rt2x00dev, chan, power_level);
4842 	else if (rt2x00_rt(rt2x00dev, RT6352))
4843 		rt2800_config_txpower_rt6352(rt2x00dev, chan, power_level);
4844 	else
4845 		rt2800_config_txpower_rt28xx(rt2x00dev, chan, power_level);
4846 }
4847 
rt2800_gain_calibration(struct rt2x00_dev * rt2x00dev)4848 void rt2800_gain_calibration(struct rt2x00_dev *rt2x00dev)
4849 {
4850 	rt2800_config_txpower(rt2x00dev, rt2x00dev->hw->conf.chandef.chan,
4851 			      rt2x00dev->tx_power);
4852 }
4853 EXPORT_SYMBOL_GPL(rt2800_gain_calibration);
4854 
rt2800_vco_calibration(struct rt2x00_dev * rt2x00dev)4855 void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev)
4856 {
4857 	u32	tx_pin;
4858 	u8	rfcsr;
4859 	unsigned long min_sleep = 0;
4860 
4861 	/*
4862 	 * A voltage-controlled oscillator(VCO) is an electronic oscillator
4863 	 * designed to be controlled in oscillation frequency by a voltage
4864 	 * input. Maybe the temperature will affect the frequency of
4865 	 * oscillation to be shifted. The VCO calibration will be called
4866 	 * periodically to adjust the frequency to be precision.
4867 	*/
4868 
4869 	tx_pin = rt2800_register_read(rt2x00dev, TX_PIN_CFG);
4870 	tx_pin &= TX_PIN_CFG_PA_PE_DISABLE;
4871 	rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
4872 
4873 	switch (rt2x00dev->chip.rf) {
4874 	case RF2020:
4875 	case RF3020:
4876 	case RF3021:
4877 	case RF3022:
4878 	case RF3320:
4879 	case RF3052:
4880 		rfcsr = rt2800_rfcsr_read(rt2x00dev, 7);
4881 		rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
4882 		rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
4883 		break;
4884 	case RF3053:
4885 	case RF3070:
4886 	case RF3290:
4887 	case RF5350:
4888 	case RF5360:
4889 	case RF5362:
4890 	case RF5370:
4891 	case RF5372:
4892 	case RF5390:
4893 	case RF5392:
4894 	case RF5592:
4895 		rfcsr = rt2800_rfcsr_read(rt2x00dev, 3);
4896 		rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
4897 		rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
4898 		min_sleep = 1000;
4899 		break;
4900 	case RF7620:
4901 		rt2800_rfcsr_write(rt2x00dev, 5, 0x40);
4902 		rt2800_rfcsr_write(rt2x00dev, 4, 0x0C);
4903 		rfcsr = rt2800_rfcsr_read(rt2x00dev, 4);
4904 		rt2x00_set_field8(&rfcsr, RFCSR4_VCOCAL_EN, 1);
4905 		rt2800_rfcsr_write(rt2x00dev, 4, rfcsr);
4906 		min_sleep = 2000;
4907 		break;
4908 	default:
4909 		WARN_ONCE(1, "Not supported RF chipset %x for VCO recalibration",
4910 			  rt2x00dev->chip.rf);
4911 		return;
4912 	}
4913 
4914 	if (min_sleep > 0)
4915 		usleep_range(min_sleep, min_sleep * 2);
4916 
4917 	tx_pin = rt2800_register_read(rt2x00dev, TX_PIN_CFG);
4918 	if (rt2x00dev->rf_channel <= 14) {
4919 		switch (rt2x00dev->default_ant.tx_chain_num) {
4920 		case 3:
4921 			rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN, 1);
4922 			/* fall through */
4923 		case 2:
4924 			rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
4925 			/* fall through */
4926 		case 1:
4927 		default:
4928 			rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
4929 			break;
4930 		}
4931 	} else {
4932 		switch (rt2x00dev->default_ant.tx_chain_num) {
4933 		case 3:
4934 			rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN, 1);
4935 			/* fall through */
4936 		case 2:
4937 			rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
4938 			/* fall through */
4939 		case 1:
4940 		default:
4941 			rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, 1);
4942 			break;
4943 		}
4944 	}
4945 	rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
4946 
4947 	if (rt2x00_rt(rt2x00dev, RT6352)) {
4948 		if (rt2x00dev->default_ant.rx_chain_num == 1) {
4949 			rt2800_bbp_write(rt2x00dev, 91, 0x07);
4950 			rt2800_bbp_write(rt2x00dev, 95, 0x1A);
4951 			rt2800_bbp_write(rt2x00dev, 195, 128);
4952 			rt2800_bbp_write(rt2x00dev, 196, 0xA0);
4953 			rt2800_bbp_write(rt2x00dev, 195, 170);
4954 			rt2800_bbp_write(rt2x00dev, 196, 0x12);
4955 			rt2800_bbp_write(rt2x00dev, 195, 171);
4956 			rt2800_bbp_write(rt2x00dev, 196, 0x10);
4957 		} else {
4958 			rt2800_bbp_write(rt2x00dev, 91, 0x06);
4959 			rt2800_bbp_write(rt2x00dev, 95, 0x9A);
4960 			rt2800_bbp_write(rt2x00dev, 195, 128);
4961 			rt2800_bbp_write(rt2x00dev, 196, 0xE0);
4962 			rt2800_bbp_write(rt2x00dev, 195, 170);
4963 			rt2800_bbp_write(rt2x00dev, 196, 0x30);
4964 			rt2800_bbp_write(rt2x00dev, 195, 171);
4965 			rt2800_bbp_write(rt2x00dev, 196, 0x30);
4966 		}
4967 
4968 		if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) {
4969 			rt2800_bbp_write(rt2x00dev, 75, 0x68);
4970 			rt2800_bbp_write(rt2x00dev, 76, 0x4C);
4971 			rt2800_bbp_write(rt2x00dev, 79, 0x1C);
4972 			rt2800_bbp_write(rt2x00dev, 80, 0x0C);
4973 			rt2800_bbp_write(rt2x00dev, 82, 0xB6);
4974 		}
4975 
4976 		/* On 11A, We should delay and wait RF/BBP to be stable
4977 		 * and the appropriate time should be 1000 micro seconds
4978 		 * 2005/06/05 - On 11G, we also need this delay time.
4979 		 * Otherwise it's difficult to pass the WHQL.
4980 		 */
4981 		usleep_range(1000, 1500);
4982 	}
4983 }
4984 EXPORT_SYMBOL_GPL(rt2800_vco_calibration);
4985 
rt2800_config_retry_limit(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_conf * libconf)4986 static void rt2800_config_retry_limit(struct rt2x00_dev *rt2x00dev,
4987 				      struct rt2x00lib_conf *libconf)
4988 {
4989 	u32 reg;
4990 
4991 	reg = rt2800_register_read(rt2x00dev, TX_RTY_CFG);
4992 	rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT,
4993 			   libconf->conf->short_frame_max_tx_count);
4994 	rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT,
4995 			   libconf->conf->long_frame_max_tx_count);
4996 	rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
4997 }
4998 
rt2800_config_ps(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_conf * libconf)4999 static void rt2800_config_ps(struct rt2x00_dev *rt2x00dev,
5000 			     struct rt2x00lib_conf *libconf)
5001 {
5002 	enum dev_state state =
5003 	    (libconf->conf->flags & IEEE80211_CONF_PS) ?
5004 		STATE_SLEEP : STATE_AWAKE;
5005 	u32 reg;
5006 
5007 	if (state == STATE_SLEEP) {
5008 		rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
5009 
5010 		reg = rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG);
5011 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
5012 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
5013 				   libconf->conf->listen_interval - 1);
5014 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 1);
5015 		rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
5016 
5017 		rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
5018 	} else {
5019 		reg = rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG);
5020 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
5021 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
5022 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 0);
5023 		rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
5024 
5025 		rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
5026 	}
5027 }
5028 
rt2800_config(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_conf * libconf,const unsigned int flags)5029 void rt2800_config(struct rt2x00_dev *rt2x00dev,
5030 		   struct rt2x00lib_conf *libconf,
5031 		   const unsigned int flags)
5032 {
5033 	/* Always recalculate LNA gain before changing configuration */
5034 	rt2800_config_lna_gain(rt2x00dev, libconf);
5035 
5036 	if (flags & IEEE80211_CONF_CHANGE_CHANNEL) {
5037 		rt2800_config_channel(rt2x00dev, libconf->conf,
5038 				      &libconf->rf, &libconf->channel);
5039 		rt2800_config_txpower(rt2x00dev, libconf->conf->chandef.chan,
5040 				      libconf->conf->power_level);
5041 	}
5042 	if (flags & IEEE80211_CONF_CHANGE_POWER)
5043 		rt2800_config_txpower(rt2x00dev, libconf->conf->chandef.chan,
5044 				      libconf->conf->power_level);
5045 	if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
5046 		rt2800_config_retry_limit(rt2x00dev, libconf);
5047 	if (flags & IEEE80211_CONF_CHANGE_PS)
5048 		rt2800_config_ps(rt2x00dev, libconf);
5049 }
5050 EXPORT_SYMBOL_GPL(rt2800_config);
5051 
5052 /*
5053  * Link tuning
5054  */
rt2800_link_stats(struct rt2x00_dev * rt2x00dev,struct link_qual * qual)5055 void rt2800_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
5056 {
5057 	u32 reg;
5058 
5059 	/*
5060 	 * Update FCS error count from register.
5061 	 */
5062 	reg = rt2800_register_read(rt2x00dev, RX_STA_CNT0);
5063 	qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
5064 }
5065 EXPORT_SYMBOL_GPL(rt2800_link_stats);
5066 
rt2800_get_default_vgc(struct rt2x00_dev * rt2x00dev)5067 static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
5068 {
5069 	u8 vgc;
5070 
5071 	if (rt2x00dev->curr_band == NL80211_BAND_2GHZ) {
5072 		if (rt2x00_rt(rt2x00dev, RT3070) ||
5073 		    rt2x00_rt(rt2x00dev, RT3071) ||
5074 		    rt2x00_rt(rt2x00dev, RT3090) ||
5075 		    rt2x00_rt(rt2x00dev, RT3290) ||
5076 		    rt2x00_rt(rt2x00dev, RT3390) ||
5077 		    rt2x00_rt(rt2x00dev, RT3572) ||
5078 		    rt2x00_rt(rt2x00dev, RT3593) ||
5079 		    rt2x00_rt(rt2x00dev, RT5390) ||
5080 		    rt2x00_rt(rt2x00dev, RT5392) ||
5081 		    rt2x00_rt(rt2x00dev, RT5592) ||
5082 		    rt2x00_rt(rt2x00dev, RT6352))
5083 			vgc = 0x1c + (2 * rt2x00dev->lna_gain);
5084 		else
5085 			vgc = 0x2e + rt2x00dev->lna_gain;
5086 	} else { /* 5GHZ band */
5087 		if (rt2x00_rt(rt2x00dev, RT3593))
5088 			vgc = 0x20 + (rt2x00dev->lna_gain * 5) / 3;
5089 		else if (rt2x00_rt(rt2x00dev, RT5592))
5090 			vgc = 0x24 + (2 * rt2x00dev->lna_gain);
5091 		else {
5092 			if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
5093 				vgc = 0x32 + (rt2x00dev->lna_gain * 5) / 3;
5094 			else
5095 				vgc = 0x3a + (rt2x00dev->lna_gain * 5) / 3;
5096 		}
5097 	}
5098 
5099 	return vgc;
5100 }
5101 
rt2800_set_vgc(struct rt2x00_dev * rt2x00dev,struct link_qual * qual,u8 vgc_level)5102 static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev,
5103 				  struct link_qual *qual, u8 vgc_level)
5104 {
5105 	if (qual->vgc_level != vgc_level) {
5106 		if (rt2x00_rt(rt2x00dev, RT3572) ||
5107 		    rt2x00_rt(rt2x00dev, RT3593)) {
5108 			rt2800_bbp_write_with_rx_chain(rt2x00dev, 66,
5109 						       vgc_level);
5110 		} else if (rt2x00_rt(rt2x00dev, RT5592)) {
5111 			rt2800_bbp_write(rt2x00dev, 83, qual->rssi > -65 ? 0x4a : 0x7a);
5112 			rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, vgc_level);
5113 		} else {
5114 			rt2800_bbp_write(rt2x00dev, 66, vgc_level);
5115 		}
5116 
5117 		qual->vgc_level = vgc_level;
5118 		qual->vgc_level_reg = vgc_level;
5119 	}
5120 }
5121 
rt2800_reset_tuner(struct rt2x00_dev * rt2x00dev,struct link_qual * qual)5122 void rt2800_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
5123 {
5124 	rt2800_set_vgc(rt2x00dev, qual, rt2800_get_default_vgc(rt2x00dev));
5125 }
5126 EXPORT_SYMBOL_GPL(rt2800_reset_tuner);
5127 
rt2800_link_tuner(struct rt2x00_dev * rt2x00dev,struct link_qual * qual,const u32 count)5128 void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
5129 		       const u32 count)
5130 {
5131 	u8 vgc;
5132 
5133 	if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C))
5134 		return;
5135 
5136 	/* When RSSI is better than a certain threshold, increase VGC
5137 	 * with a chip specific value in order to improve the balance
5138 	 * between sensibility and noise isolation.
5139 	 */
5140 
5141 	vgc = rt2800_get_default_vgc(rt2x00dev);
5142 
5143 	switch (rt2x00dev->chip.rt) {
5144 	case RT3572:
5145 	case RT3593:
5146 		if (qual->rssi > -65) {
5147 			if (rt2x00dev->curr_band == NL80211_BAND_2GHZ)
5148 				vgc += 0x20;
5149 			else
5150 				vgc += 0x10;
5151 		}
5152 		break;
5153 
5154 	case RT5592:
5155 		if (qual->rssi > -65)
5156 			vgc += 0x20;
5157 		break;
5158 
5159 	default:
5160 		if (qual->rssi > -80)
5161 			vgc += 0x10;
5162 		break;
5163 	}
5164 
5165 	rt2800_set_vgc(rt2x00dev, qual, vgc);
5166 }
5167 EXPORT_SYMBOL_GPL(rt2800_link_tuner);
5168 
5169 /*
5170  * Initialization functions.
5171  */
rt2800_init_registers(struct rt2x00_dev * rt2x00dev)5172 static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
5173 {
5174 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
5175 	u32 reg;
5176 	u16 eeprom;
5177 	unsigned int i;
5178 	int ret;
5179 
5180 	rt2800_disable_wpdma(rt2x00dev);
5181 
5182 	ret = rt2800_drv_init_registers(rt2x00dev);
5183 	if (ret)
5184 		return ret;
5185 
5186 	rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
5187 	rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
5188 
5189 	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
5190 
5191 	reg = rt2800_register_read(rt2x00dev, BCN_TIME_CFG);
5192 	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 1600);
5193 	rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
5194 	rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
5195 	rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
5196 	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
5197 	rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
5198 	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
5199 
5200 	rt2800_config_filter(rt2x00dev, FIF_ALLMULTI);
5201 
5202 	reg = rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG);
5203 	rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, 9);
5204 	rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
5205 	rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
5206 
5207 	if (rt2x00_rt(rt2x00dev, RT3290)) {
5208 		reg = rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL);
5209 		if (rt2x00_get_field32(reg, WLAN_EN) == 1) {
5210 			rt2x00_set_field32(&reg, PCIE_APP0_CLK_REQ, 1);
5211 			rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
5212 		}
5213 
5214 		reg = rt2800_register_read(rt2x00dev, CMB_CTRL);
5215 		if (!(rt2x00_get_field32(reg, LDO0_EN) == 1)) {
5216 			rt2x00_set_field32(&reg, LDO0_EN, 1);
5217 			rt2x00_set_field32(&reg, LDO_BGSEL, 3);
5218 			rt2800_register_write(rt2x00dev, CMB_CTRL, reg);
5219 		}
5220 
5221 		reg = rt2800_register_read(rt2x00dev, OSC_CTRL);
5222 		rt2x00_set_field32(&reg, OSC_ROSC_EN, 1);
5223 		rt2x00_set_field32(&reg, OSC_CAL_REQ, 1);
5224 		rt2x00_set_field32(&reg, OSC_REF_CYCLE, 0x27);
5225 		rt2800_register_write(rt2x00dev, OSC_CTRL, reg);
5226 
5227 		reg = rt2800_register_read(rt2x00dev, COEX_CFG0);
5228 		rt2x00_set_field32(&reg, COEX_CFG_ANT, 0x5e);
5229 		rt2800_register_write(rt2x00dev, COEX_CFG0, reg);
5230 
5231 		reg = rt2800_register_read(rt2x00dev, COEX_CFG2);
5232 		rt2x00_set_field32(&reg, BT_COEX_CFG1, 0x00);
5233 		rt2x00_set_field32(&reg, BT_COEX_CFG0, 0x17);
5234 		rt2x00_set_field32(&reg, WL_COEX_CFG1, 0x93);
5235 		rt2x00_set_field32(&reg, WL_COEX_CFG0, 0x7f);
5236 		rt2800_register_write(rt2x00dev, COEX_CFG2, reg);
5237 
5238 		reg = rt2800_register_read(rt2x00dev, PLL_CTRL);
5239 		rt2x00_set_field32(&reg, PLL_CONTROL, 1);
5240 		rt2800_register_write(rt2x00dev, PLL_CTRL, reg);
5241 	}
5242 
5243 	if (rt2x00_rt(rt2x00dev, RT3071) ||
5244 	    rt2x00_rt(rt2x00dev, RT3090) ||
5245 	    rt2x00_rt(rt2x00dev, RT3290) ||
5246 	    rt2x00_rt(rt2x00dev, RT3390)) {
5247 
5248 		if (rt2x00_rt(rt2x00dev, RT3290))
5249 			rt2800_register_write(rt2x00dev, TX_SW_CFG0,
5250 					      0x00000404);
5251 		else
5252 			rt2800_register_write(rt2x00dev, TX_SW_CFG0,
5253 					      0x00000400);
5254 
5255 		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
5256 		if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
5257 		    rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
5258 		    rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
5259 			eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
5260 			if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
5261 				rt2800_register_write(rt2x00dev, TX_SW_CFG2,
5262 						      0x0000002c);
5263 			else
5264 				rt2800_register_write(rt2x00dev, TX_SW_CFG2,
5265 						      0x0000000f);
5266 		} else {
5267 			rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
5268 		}
5269 	} else if (rt2x00_rt(rt2x00dev, RT3070)) {
5270 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
5271 
5272 		if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
5273 			rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
5274 			rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000002c);
5275 		} else {
5276 			rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
5277 			rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
5278 		}
5279 	} else if (rt2800_is_305x_soc(rt2x00dev)) {
5280 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
5281 		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
5282 		rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000030);
5283 	} else if (rt2x00_rt(rt2x00dev, RT3352)) {
5284 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000402);
5285 		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
5286 		rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
5287 	} else if (rt2x00_rt(rt2x00dev, RT3572)) {
5288 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
5289 		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
5290 	} else if (rt2x00_rt(rt2x00dev, RT3593)) {
5291 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000402);
5292 		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
5293 		if (rt2x00_rt_rev_lt(rt2x00dev, RT3593, REV_RT3593E)) {
5294 			eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
5295 			if (rt2x00_get_field16(eeprom,
5296 					       EEPROM_NIC_CONF1_DAC_TEST))
5297 				rt2800_register_write(rt2x00dev, TX_SW_CFG2,
5298 						      0x0000001f);
5299 			else
5300 				rt2800_register_write(rt2x00dev, TX_SW_CFG2,
5301 						      0x0000000f);
5302 		} else {
5303 			rt2800_register_write(rt2x00dev, TX_SW_CFG2,
5304 					      0x00000000);
5305 		}
5306 	} else if (rt2x00_rt(rt2x00dev, RT5390) ||
5307 		   rt2x00_rt(rt2x00dev, RT5392) ||
5308 		   rt2x00_rt(rt2x00dev, RT6352)) {
5309 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404);
5310 		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
5311 		rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
5312 	} else if (rt2x00_rt(rt2x00dev, RT5592)) {
5313 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404);
5314 		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
5315 		rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
5316 	} else if (rt2x00_rt(rt2x00dev, RT5350)) {
5317 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404);
5318 	} else if (rt2x00_rt(rt2x00dev, RT6352)) {
5319 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000401);
5320 		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x000C0000);
5321 		rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
5322 		rt2800_register_write(rt2x00dev, MIMO_PS_CFG, 0x00000002);
5323 		rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0x00150F0F);
5324 		rt2800_register_write(rt2x00dev, TX_ALC_VGA3, 0x06060606);
5325 		rt2800_register_write(rt2x00dev, TX0_BB_GAIN_ATTEN, 0x0);
5326 		rt2800_register_write(rt2x00dev, TX1_BB_GAIN_ATTEN, 0x0);
5327 		rt2800_register_write(rt2x00dev, TX0_RF_GAIN_ATTEN, 0x6C6C666C);
5328 		rt2800_register_write(rt2x00dev, TX1_RF_GAIN_ATTEN, 0x6C6C666C);
5329 		rt2800_register_write(rt2x00dev, TX0_RF_GAIN_CORRECT,
5330 				      0x3630363A);
5331 		rt2800_register_write(rt2x00dev, TX1_RF_GAIN_CORRECT,
5332 				      0x3630363A);
5333 		reg = rt2800_register_read(rt2x00dev, TX_ALC_CFG_1);
5334 		rt2x00_set_field32(&reg, TX_ALC_CFG_1_ROS_BUSY_EN, 0);
5335 		rt2800_register_write(rt2x00dev, TX_ALC_CFG_1, reg);
5336 	} else {
5337 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
5338 		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
5339 	}
5340 
5341 	reg = rt2800_register_read(rt2x00dev, TX_LINK_CFG);
5342 	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
5343 	rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
5344 	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
5345 	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_MRQ_EN, 0);
5346 	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_RDG_EN, 0);
5347 	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
5348 	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
5349 	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
5350 	rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg);
5351 
5352 	reg = rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG);
5353 	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
5354 	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 32);
5355 	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
5356 	rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
5357 
5358 	reg = rt2800_register_read(rt2x00dev, MAX_LEN_CFG);
5359 	rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
5360 	if (rt2x00_is_usb(rt2x00dev)) {
5361 		drv_data->max_psdu = 3;
5362 	} else if (rt2x00_rt_rev_gte(rt2x00dev, RT2872, REV_RT2872E) ||
5363 		   rt2x00_rt(rt2x00dev, RT2883) ||
5364 		   rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070E)) {
5365 		drv_data->max_psdu = 2;
5366 	} else {
5367 		drv_data->max_psdu = 1;
5368 	}
5369 	rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, drv_data->max_psdu);
5370 	rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 10);
5371 	rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 10);
5372 	rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
5373 
5374 	reg = rt2800_register_read(rt2x00dev, LED_CFG);
5375 	rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, 70);
5376 	rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, 30);
5377 	rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
5378 	rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, 3);
5379 	rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 3);
5380 	rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
5381 	rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
5382 	rt2800_register_write(rt2x00dev, LED_CFG, reg);
5383 
5384 	rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
5385 
5386 	reg = rt2800_register_read(rt2x00dev, TX_RTY_CFG);
5387 	rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT, 2);
5388 	rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT, 2);
5389 	rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_THRE, 2000);
5390 	rt2x00_set_field32(&reg, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
5391 	rt2x00_set_field32(&reg, TX_RTY_CFG_AGG_RTY_MODE, 0);
5392 	rt2x00_set_field32(&reg, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
5393 	rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
5394 
5395 	reg = rt2800_register_read(rt2x00dev, AUTO_RSP_CFG);
5396 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
5397 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY, 1);
5398 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 1);
5399 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
5400 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE, 0);
5401 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
5402 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
5403 	rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
5404 
5405 	reg = rt2800_register_read(rt2x00dev, CCK_PROT_CFG);
5406 	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 3);
5407 	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
5408 	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV_SHORT, 1);
5409 	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
5410 	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
5411 	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
5412 	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 0);
5413 	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
5414 	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 0);
5415 	rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, 1);
5416 	rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
5417 
5418 	reg = rt2800_register_read(rt2x00dev, OFDM_PROT_CFG);
5419 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 3);
5420 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
5421 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV_SHORT, 1);
5422 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
5423 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
5424 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
5425 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 0);
5426 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
5427 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 0);
5428 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, 1);
5429 	rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
5430 
5431 	reg = rt2800_register_read(rt2x00dev, MM20_PROT_CFG);
5432 	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
5433 	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 1);
5434 	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV_SHORT, 1);
5435 	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 0);
5436 	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
5437 	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
5438 	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
5439 	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
5440 	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
5441 	rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, 0);
5442 	rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
5443 
5444 	reg = rt2800_register_read(rt2x00dev, MM40_PROT_CFG);
5445 	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
5446 	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, 1);
5447 	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV_SHORT, 1);
5448 	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 0);
5449 	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
5450 	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
5451 	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
5452 	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
5453 	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
5454 	rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, 0);
5455 	rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
5456 
5457 	reg = rt2800_register_read(rt2x00dev, GF20_PROT_CFG);
5458 	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
5459 	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 1);
5460 	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV_SHORT, 1);
5461 	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 0);
5462 	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
5463 	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
5464 	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
5465 	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
5466 	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
5467 	rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, 0);
5468 	rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
5469 
5470 	reg = rt2800_register_read(rt2x00dev, GF40_PROT_CFG);
5471 	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
5472 	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 1);
5473 	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV_SHORT, 1);
5474 	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 0);
5475 	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
5476 	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
5477 	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
5478 	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
5479 	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
5480 	rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, 0);
5481 	rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
5482 
5483 	if (rt2x00_is_usb(rt2x00dev)) {
5484 		rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006);
5485 
5486 		reg = rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG);
5487 		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
5488 		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
5489 		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
5490 		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
5491 		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
5492 		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
5493 		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
5494 		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
5495 		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
5496 		rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
5497 	}
5498 
5499 	/*
5500 	 * The legacy driver also sets TXOP_CTRL_CFG_RESERVED_TRUN_EN to 1
5501 	 * although it is reserved.
5502 	 */
5503 	reg = rt2800_register_read(rt2x00dev, TXOP_CTRL_CFG);
5504 	rt2x00_set_field32(&reg, TXOP_CTRL_CFG_TIMEOUT_TRUN_EN, 1);
5505 	rt2x00_set_field32(&reg, TXOP_CTRL_CFG_AC_TRUN_EN, 1);
5506 	rt2x00_set_field32(&reg, TXOP_CTRL_CFG_TXRATEGRP_TRUN_EN, 1);
5507 	rt2x00_set_field32(&reg, TXOP_CTRL_CFG_USER_MODE_TRUN_EN, 1);
5508 	rt2x00_set_field32(&reg, TXOP_CTRL_CFG_MIMO_PS_TRUN_EN, 1);
5509 	rt2x00_set_field32(&reg, TXOP_CTRL_CFG_RESERVED_TRUN_EN, 1);
5510 	rt2x00_set_field32(&reg, TXOP_CTRL_CFG_LSIG_TXOP_EN, 0);
5511 	rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CCA_EN, 0);
5512 	rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CCA_DLY, 88);
5513 	rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CWMIN, 0);
5514 	rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, reg);
5515 
5516 	reg = rt2x00_rt(rt2x00dev, RT5592) ? 0x00000082 : 0x00000002;
5517 	rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, reg);
5518 
5519 	reg = rt2800_register_read(rt2x00dev, TX_RTS_CFG);
5520 	rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 7);
5521 	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
5522 			   IEEE80211_MAX_RTS_THRESHOLD);
5523 	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 1);
5524 	rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
5525 
5526 	rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
5527 
5528 	/*
5529 	 * Usually the CCK SIFS time should be set to 10 and the OFDM SIFS
5530 	 * time should be set to 16. However, the original Ralink driver uses
5531 	 * 16 for both and indeed using a value of 10 for CCK SIFS results in
5532 	 * connection problems with 11g + CTS protection. Hence, use the same
5533 	 * defaults as the Ralink driver: 16 for both, CCK and OFDM SIFS.
5534 	 */
5535 	reg = rt2800_register_read(rt2x00dev, XIFS_TIME_CFG);
5536 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, 16);
5537 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, 16);
5538 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
5539 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, 314);
5540 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
5541 	rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
5542 
5543 	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
5544 
5545 	/*
5546 	 * ASIC will keep garbage value after boot, clear encryption keys.
5547 	 */
5548 	for (i = 0; i < 4; i++)
5549 		rt2800_register_write(rt2x00dev,
5550 					 SHARED_KEY_MODE_ENTRY(i), 0);
5551 
5552 	for (i = 0; i < 256; i++) {
5553 		rt2800_config_wcid(rt2x00dev, NULL, i);
5554 		rt2800_delete_wcid_attr(rt2x00dev, i);
5555 		rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
5556 	}
5557 
5558 	/*
5559 	 * Clear all beacons
5560 	 */
5561 	for (i = 0; i < 8; i++)
5562 		rt2800_clear_beacon_register(rt2x00dev, i);
5563 
5564 	if (rt2x00_is_usb(rt2x00dev)) {
5565 		reg = rt2800_register_read(rt2x00dev, US_CYC_CNT);
5566 		rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, 30);
5567 		rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
5568 	} else if (rt2x00_is_pcie(rt2x00dev)) {
5569 		reg = rt2800_register_read(rt2x00dev, US_CYC_CNT);
5570 		rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, 125);
5571 		rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
5572 	}
5573 
5574 	reg = rt2800_register_read(rt2x00dev, HT_FBK_CFG0);
5575 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
5576 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
5577 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
5578 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS3FBK, 2);
5579 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS4FBK, 3);
5580 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
5581 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
5582 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
5583 	rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg);
5584 
5585 	reg = rt2800_register_read(rt2x00dev, HT_FBK_CFG1);
5586 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
5587 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
5588 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
5589 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS11FBK, 10);
5590 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS12FBK, 11);
5591 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
5592 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
5593 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
5594 	rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg);
5595 
5596 	reg = rt2800_register_read(rt2x00dev, LG_FBK_CFG0);
5597 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
5598 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
5599 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 9);
5600 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS3FBK, 10);
5601 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS4FBK, 11);
5602 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 12);
5603 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 13);
5604 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 14);
5605 	rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg);
5606 
5607 	reg = rt2800_register_read(rt2x00dev, LG_FBK_CFG1);
5608 	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
5609 	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
5610 	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
5611 	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
5612 	rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg);
5613 
5614 	/*
5615 	 * Do not force the BA window size, we use the TXWI to set it
5616 	 */
5617 	reg = rt2800_register_read(rt2x00dev, AMPDU_BA_WINSIZE);
5618 	rt2x00_set_field32(&reg, AMPDU_BA_WINSIZE_FORCE_WINSIZE_ENABLE, 0);
5619 	rt2x00_set_field32(&reg, AMPDU_BA_WINSIZE_FORCE_WINSIZE, 0);
5620 	rt2800_register_write(rt2x00dev, AMPDU_BA_WINSIZE, reg);
5621 
5622 	/*
5623 	 * We must clear the error counters.
5624 	 * These registers are cleared on read,
5625 	 * so we may pass a useless variable to store the value.
5626 	 */
5627 	reg = rt2800_register_read(rt2x00dev, RX_STA_CNT0);
5628 	reg = rt2800_register_read(rt2x00dev, RX_STA_CNT1);
5629 	reg = rt2800_register_read(rt2x00dev, RX_STA_CNT2);
5630 	reg = rt2800_register_read(rt2x00dev, TX_STA_CNT0);
5631 	reg = rt2800_register_read(rt2x00dev, TX_STA_CNT1);
5632 	reg = rt2800_register_read(rt2x00dev, TX_STA_CNT2);
5633 
5634 	/*
5635 	 * Setup leadtime for pre tbtt interrupt to 6ms
5636 	 */
5637 	reg = rt2800_register_read(rt2x00dev, INT_TIMER_CFG);
5638 	rt2x00_set_field32(&reg, INT_TIMER_CFG_PRE_TBTT_TIMER, 6 << 4);
5639 	rt2800_register_write(rt2x00dev, INT_TIMER_CFG, reg);
5640 
5641 	/*
5642 	 * Set up channel statistics timer
5643 	 */
5644 	reg = rt2800_register_read(rt2x00dev, CH_TIME_CFG);
5645 	rt2x00_set_field32(&reg, CH_TIME_CFG_EIFS_BUSY, 1);
5646 	rt2x00_set_field32(&reg, CH_TIME_CFG_NAV_BUSY, 1);
5647 	rt2x00_set_field32(&reg, CH_TIME_CFG_RX_BUSY, 1);
5648 	rt2x00_set_field32(&reg, CH_TIME_CFG_TX_BUSY, 1);
5649 	rt2x00_set_field32(&reg, CH_TIME_CFG_TMR_EN, 1);
5650 	rt2800_register_write(rt2x00dev, CH_TIME_CFG, reg);
5651 
5652 	return 0;
5653 }
5654 
rt2800_wait_bbp_rf_ready(struct rt2x00_dev * rt2x00dev)5655 static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
5656 {
5657 	unsigned int i;
5658 	u32 reg;
5659 
5660 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
5661 		reg = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG);
5662 		if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
5663 			return 0;
5664 
5665 		udelay(REGISTER_BUSY_DELAY);
5666 	}
5667 
5668 	rt2x00_err(rt2x00dev, "BBP/RF register access failed, aborting\n");
5669 	return -EACCES;
5670 }
5671 
rt2800_wait_bbp_ready(struct rt2x00_dev * rt2x00dev)5672 static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
5673 {
5674 	unsigned int i;
5675 	u8 value;
5676 
5677 	/*
5678 	 * BBP was enabled after firmware was loaded,
5679 	 * but we need to reactivate it now.
5680 	 */
5681 	rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
5682 	rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
5683 	msleep(1);
5684 
5685 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
5686 		value = rt2800_bbp_read(rt2x00dev, 0);
5687 		if ((value != 0xff) && (value != 0x00))
5688 			return 0;
5689 		udelay(REGISTER_BUSY_DELAY);
5690 	}
5691 
5692 	rt2x00_err(rt2x00dev, "BBP register access failed, aborting\n");
5693 	return -EACCES;
5694 }
5695 
rt2800_bbp4_mac_if_ctrl(struct rt2x00_dev * rt2x00dev)5696 static void rt2800_bbp4_mac_if_ctrl(struct rt2x00_dev *rt2x00dev)
5697 {
5698 	u8 value;
5699 
5700 	value = rt2800_bbp_read(rt2x00dev, 4);
5701 	rt2x00_set_field8(&value, BBP4_MAC_IF_CTRL, 1);
5702 	rt2800_bbp_write(rt2x00dev, 4, value);
5703 }
5704 
rt2800_init_freq_calibration(struct rt2x00_dev * rt2x00dev)5705 static void rt2800_init_freq_calibration(struct rt2x00_dev *rt2x00dev)
5706 {
5707 	rt2800_bbp_write(rt2x00dev, 142, 1);
5708 	rt2800_bbp_write(rt2x00dev, 143, 57);
5709 }
5710 
rt2800_init_bbp_5592_glrt(struct rt2x00_dev * rt2x00dev)5711 static void rt2800_init_bbp_5592_glrt(struct rt2x00_dev *rt2x00dev)
5712 {
5713 	static const u8 glrt_table[] = {
5714 		0xE0, 0x1F, 0X38, 0x32, 0x08, 0x28, 0x19, 0x0A, 0xFF, 0x00, /* 128 ~ 137 */
5715 		0x16, 0x10, 0x10, 0x0B, 0x36, 0x2C, 0x26, 0x24, 0x42, 0x36, /* 138 ~ 147 */
5716 		0x30, 0x2D, 0x4C, 0x46, 0x3D, 0x40, 0x3E, 0x42, 0x3D, 0x40, /* 148 ~ 157 */
5717 		0X3C, 0x34, 0x2C, 0x2F, 0x3C, 0x35, 0x2E, 0x2A, 0x49, 0x41, /* 158 ~ 167 */
5718 		0x36, 0x31, 0x30, 0x30, 0x0E, 0x0D, 0x28, 0x21, 0x1C, 0x16, /* 168 ~ 177 */
5719 		0x50, 0x4A, 0x43, 0x40, 0x10, 0x10, 0x10, 0x10, 0x00, 0x00, /* 178 ~ 187 */
5720 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 188 ~ 197 */
5721 		0x00, 0x00, 0x7D, 0x14, 0x32, 0x2C, 0x36, 0x4C, 0x43, 0x2C, /* 198 ~ 207 */
5722 		0x2E, 0x36, 0x30, 0x6E,					    /* 208 ~ 211 */
5723 	};
5724 	int i;
5725 
5726 	for (i = 0; i < ARRAY_SIZE(glrt_table); i++) {
5727 		rt2800_bbp_write(rt2x00dev, 195, 128 + i);
5728 		rt2800_bbp_write(rt2x00dev, 196, glrt_table[i]);
5729 	}
5730 };
5731 
rt2800_init_bbp_early(struct rt2x00_dev * rt2x00dev)5732 static void rt2800_init_bbp_early(struct rt2x00_dev *rt2x00dev)
5733 {
5734 	rt2800_bbp_write(rt2x00dev, 65, 0x2C);
5735 	rt2800_bbp_write(rt2x00dev, 66, 0x38);
5736 	rt2800_bbp_write(rt2x00dev, 68, 0x0B);
5737 	rt2800_bbp_write(rt2x00dev, 69, 0x12);
5738 	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5739 	rt2800_bbp_write(rt2x00dev, 73, 0x10);
5740 	rt2800_bbp_write(rt2x00dev, 81, 0x37);
5741 	rt2800_bbp_write(rt2x00dev, 82, 0x62);
5742 	rt2800_bbp_write(rt2x00dev, 83, 0x6A);
5743 	rt2800_bbp_write(rt2x00dev, 84, 0x99);
5744 	rt2800_bbp_write(rt2x00dev, 86, 0x00);
5745 	rt2800_bbp_write(rt2x00dev, 91, 0x04);
5746 	rt2800_bbp_write(rt2x00dev, 92, 0x00);
5747 	rt2800_bbp_write(rt2x00dev, 103, 0x00);
5748 	rt2800_bbp_write(rt2x00dev, 105, 0x05);
5749 	rt2800_bbp_write(rt2x00dev, 106, 0x35);
5750 }
5751 
rt2800_disable_unused_dac_adc(struct rt2x00_dev * rt2x00dev)5752 static void rt2800_disable_unused_dac_adc(struct rt2x00_dev *rt2x00dev)
5753 {
5754 	u16 eeprom;
5755 	u8 value;
5756 
5757 	value = rt2800_bbp_read(rt2x00dev, 138);
5758 	eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0);
5759 	if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
5760 		value |= 0x20;
5761 	if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
5762 		value &= ~0x02;
5763 	rt2800_bbp_write(rt2x00dev, 138, value);
5764 }
5765 
rt2800_init_bbp_305x_soc(struct rt2x00_dev * rt2x00dev)5766 static void rt2800_init_bbp_305x_soc(struct rt2x00_dev *rt2x00dev)
5767 {
5768 	rt2800_bbp_write(rt2x00dev, 31, 0x08);
5769 
5770 	rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5771 	rt2800_bbp_write(rt2x00dev, 66, 0x38);
5772 
5773 	rt2800_bbp_write(rt2x00dev, 69, 0x12);
5774 	rt2800_bbp_write(rt2x00dev, 73, 0x10);
5775 
5776 	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5777 
5778 	rt2800_bbp_write(rt2x00dev, 78, 0x0e);
5779 	rt2800_bbp_write(rt2x00dev, 80, 0x08);
5780 
5781 	rt2800_bbp_write(rt2x00dev, 82, 0x62);
5782 
5783 	rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5784 
5785 	rt2800_bbp_write(rt2x00dev, 84, 0x99);
5786 
5787 	rt2800_bbp_write(rt2x00dev, 86, 0x00);
5788 
5789 	rt2800_bbp_write(rt2x00dev, 91, 0x04);
5790 
5791 	rt2800_bbp_write(rt2x00dev, 92, 0x00);
5792 
5793 	rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5794 
5795 	rt2800_bbp_write(rt2x00dev, 105, 0x01);
5796 
5797 	rt2800_bbp_write(rt2x00dev, 106, 0x35);
5798 }
5799 
rt2800_init_bbp_28xx(struct rt2x00_dev * rt2x00dev)5800 static void rt2800_init_bbp_28xx(struct rt2x00_dev *rt2x00dev)
5801 {
5802 	rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5803 	rt2800_bbp_write(rt2x00dev, 66, 0x38);
5804 
5805 	if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
5806 		rt2800_bbp_write(rt2x00dev, 69, 0x16);
5807 		rt2800_bbp_write(rt2x00dev, 73, 0x12);
5808 	} else {
5809 		rt2800_bbp_write(rt2x00dev, 69, 0x12);
5810 		rt2800_bbp_write(rt2x00dev, 73, 0x10);
5811 	}
5812 
5813 	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5814 
5815 	rt2800_bbp_write(rt2x00dev, 81, 0x37);
5816 
5817 	rt2800_bbp_write(rt2x00dev, 82, 0x62);
5818 
5819 	rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5820 
5821 	if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860D))
5822 		rt2800_bbp_write(rt2x00dev, 84, 0x19);
5823 	else
5824 		rt2800_bbp_write(rt2x00dev, 84, 0x99);
5825 
5826 	rt2800_bbp_write(rt2x00dev, 86, 0x00);
5827 
5828 	rt2800_bbp_write(rt2x00dev, 91, 0x04);
5829 
5830 	rt2800_bbp_write(rt2x00dev, 92, 0x00);
5831 
5832 	rt2800_bbp_write(rt2x00dev, 103, 0x00);
5833 
5834 	rt2800_bbp_write(rt2x00dev, 105, 0x05);
5835 
5836 	rt2800_bbp_write(rt2x00dev, 106, 0x35);
5837 }
5838 
rt2800_init_bbp_30xx(struct rt2x00_dev * rt2x00dev)5839 static void rt2800_init_bbp_30xx(struct rt2x00_dev *rt2x00dev)
5840 {
5841 	rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5842 	rt2800_bbp_write(rt2x00dev, 66, 0x38);
5843 
5844 	rt2800_bbp_write(rt2x00dev, 69, 0x12);
5845 	rt2800_bbp_write(rt2x00dev, 73, 0x10);
5846 
5847 	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5848 
5849 	rt2800_bbp_write(rt2x00dev, 79, 0x13);
5850 	rt2800_bbp_write(rt2x00dev, 80, 0x05);
5851 	rt2800_bbp_write(rt2x00dev, 81, 0x33);
5852 
5853 	rt2800_bbp_write(rt2x00dev, 82, 0x62);
5854 
5855 	rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5856 
5857 	rt2800_bbp_write(rt2x00dev, 84, 0x99);
5858 
5859 	rt2800_bbp_write(rt2x00dev, 86, 0x00);
5860 
5861 	rt2800_bbp_write(rt2x00dev, 91, 0x04);
5862 
5863 	rt2800_bbp_write(rt2x00dev, 92, 0x00);
5864 
5865 	if (rt2x00_rt_rev_gte(rt2x00dev, RT3070, REV_RT3070F) ||
5866 	    rt2x00_rt_rev_gte(rt2x00dev, RT3071, REV_RT3071E) ||
5867 	    rt2x00_rt_rev_gte(rt2x00dev, RT3090, REV_RT3090E))
5868 		rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5869 	else
5870 		rt2800_bbp_write(rt2x00dev, 103, 0x00);
5871 
5872 	rt2800_bbp_write(rt2x00dev, 105, 0x05);
5873 
5874 	rt2800_bbp_write(rt2x00dev, 106, 0x35);
5875 
5876 	if (rt2x00_rt(rt2x00dev, RT3071) ||
5877 	    rt2x00_rt(rt2x00dev, RT3090))
5878 		rt2800_disable_unused_dac_adc(rt2x00dev);
5879 }
5880 
rt2800_init_bbp_3290(struct rt2x00_dev * rt2x00dev)5881 static void rt2800_init_bbp_3290(struct rt2x00_dev *rt2x00dev)
5882 {
5883 	u8 value;
5884 
5885 	rt2800_bbp4_mac_if_ctrl(rt2x00dev);
5886 
5887 	rt2800_bbp_write(rt2x00dev, 31, 0x08);
5888 
5889 	rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5890 	rt2800_bbp_write(rt2x00dev, 66, 0x38);
5891 
5892 	rt2800_bbp_write(rt2x00dev, 68, 0x0b);
5893 
5894 	rt2800_bbp_write(rt2x00dev, 69, 0x12);
5895 	rt2800_bbp_write(rt2x00dev, 73, 0x13);
5896 	rt2800_bbp_write(rt2x00dev, 75, 0x46);
5897 	rt2800_bbp_write(rt2x00dev, 76, 0x28);
5898 
5899 	rt2800_bbp_write(rt2x00dev, 77, 0x58);
5900 
5901 	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5902 
5903 	rt2800_bbp_write(rt2x00dev, 74, 0x0b);
5904 	rt2800_bbp_write(rt2x00dev, 79, 0x18);
5905 	rt2800_bbp_write(rt2x00dev, 80, 0x09);
5906 	rt2800_bbp_write(rt2x00dev, 81, 0x33);
5907 
5908 	rt2800_bbp_write(rt2x00dev, 82, 0x62);
5909 
5910 	rt2800_bbp_write(rt2x00dev, 83, 0x7a);
5911 
5912 	rt2800_bbp_write(rt2x00dev, 84, 0x9a);
5913 
5914 	rt2800_bbp_write(rt2x00dev, 86, 0x38);
5915 
5916 	rt2800_bbp_write(rt2x00dev, 91, 0x04);
5917 
5918 	rt2800_bbp_write(rt2x00dev, 92, 0x02);
5919 
5920 	rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5921 
5922 	rt2800_bbp_write(rt2x00dev, 104, 0x92);
5923 
5924 	rt2800_bbp_write(rt2x00dev, 105, 0x1c);
5925 
5926 	rt2800_bbp_write(rt2x00dev, 106, 0x03);
5927 
5928 	rt2800_bbp_write(rt2x00dev, 128, 0x12);
5929 
5930 	rt2800_bbp_write(rt2x00dev, 67, 0x24);
5931 	rt2800_bbp_write(rt2x00dev, 143, 0x04);
5932 	rt2800_bbp_write(rt2x00dev, 142, 0x99);
5933 	rt2800_bbp_write(rt2x00dev, 150, 0x30);
5934 	rt2800_bbp_write(rt2x00dev, 151, 0x2e);
5935 	rt2800_bbp_write(rt2x00dev, 152, 0x20);
5936 	rt2800_bbp_write(rt2x00dev, 153, 0x34);
5937 	rt2800_bbp_write(rt2x00dev, 154, 0x40);
5938 	rt2800_bbp_write(rt2x00dev, 155, 0x3b);
5939 	rt2800_bbp_write(rt2x00dev, 253, 0x04);
5940 
5941 	value = rt2800_bbp_read(rt2x00dev, 47);
5942 	rt2x00_set_field8(&value, BBP47_TSSI_ADC6, 1);
5943 	rt2800_bbp_write(rt2x00dev, 47, value);
5944 
5945 	/* Use 5-bit ADC for Acquisition and 8-bit ADC for data */
5946 	value = rt2800_bbp_read(rt2x00dev, 3);
5947 	rt2x00_set_field8(&value, BBP3_ADC_MODE_SWITCH, 1);
5948 	rt2x00_set_field8(&value, BBP3_ADC_INIT_MODE, 1);
5949 	rt2800_bbp_write(rt2x00dev, 3, value);
5950 }
5951 
rt2800_init_bbp_3352(struct rt2x00_dev * rt2x00dev)5952 static void rt2800_init_bbp_3352(struct rt2x00_dev *rt2x00dev)
5953 {
5954 	rt2800_bbp_write(rt2x00dev, 3, 0x00);
5955 	rt2800_bbp_write(rt2x00dev, 4, 0x50);
5956 
5957 	rt2800_bbp_write(rt2x00dev, 31, 0x08);
5958 
5959 	rt2800_bbp_write(rt2x00dev, 47, 0x48);
5960 
5961 	rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5962 	rt2800_bbp_write(rt2x00dev, 66, 0x38);
5963 
5964 	rt2800_bbp_write(rt2x00dev, 68, 0x0b);
5965 
5966 	rt2800_bbp_write(rt2x00dev, 69, 0x12);
5967 	rt2800_bbp_write(rt2x00dev, 73, 0x13);
5968 	rt2800_bbp_write(rt2x00dev, 75, 0x46);
5969 	rt2800_bbp_write(rt2x00dev, 76, 0x28);
5970 
5971 	rt2800_bbp_write(rt2x00dev, 77, 0x59);
5972 
5973 	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5974 
5975 	rt2800_bbp_write(rt2x00dev, 78, 0x0e);
5976 	rt2800_bbp_write(rt2x00dev, 80, 0x08);
5977 	rt2800_bbp_write(rt2x00dev, 81, 0x37);
5978 
5979 	rt2800_bbp_write(rt2x00dev, 82, 0x62);
5980 
5981 	if (rt2x00_rt(rt2x00dev, RT5350)) {
5982 		rt2800_bbp_write(rt2x00dev, 83, 0x7a);
5983 		rt2800_bbp_write(rt2x00dev, 84, 0x9a);
5984 	} else {
5985 		rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5986 		rt2800_bbp_write(rt2x00dev, 84, 0x99);
5987 	}
5988 
5989 	rt2800_bbp_write(rt2x00dev, 86, 0x38);
5990 
5991 	rt2800_bbp_write(rt2x00dev, 88, 0x90);
5992 
5993 	rt2800_bbp_write(rt2x00dev, 91, 0x04);
5994 
5995 	rt2800_bbp_write(rt2x00dev, 92, 0x02);
5996 
5997 	rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5998 
5999 	rt2800_bbp_write(rt2x00dev, 104, 0x92);
6000 
6001 	if (rt2x00_rt(rt2x00dev, RT5350)) {
6002 		rt2800_bbp_write(rt2x00dev, 105, 0x3c);
6003 		rt2800_bbp_write(rt2x00dev, 106, 0x03);
6004 	} else {
6005 		rt2800_bbp_write(rt2x00dev, 105, 0x34);
6006 		rt2800_bbp_write(rt2x00dev, 106, 0x05);
6007 	}
6008 
6009 	rt2800_bbp_write(rt2x00dev, 120, 0x50);
6010 
6011 	rt2800_bbp_write(rt2x00dev, 137, 0x0f);
6012 
6013 	rt2800_bbp_write(rt2x00dev, 163, 0xbd);
6014 	/* Set ITxBF timeout to 0x9c40=1000msec */
6015 	rt2800_bbp_write(rt2x00dev, 179, 0x02);
6016 	rt2800_bbp_write(rt2x00dev, 180, 0x00);
6017 	rt2800_bbp_write(rt2x00dev, 182, 0x40);
6018 	rt2800_bbp_write(rt2x00dev, 180, 0x01);
6019 	rt2800_bbp_write(rt2x00dev, 182, 0x9c);
6020 	rt2800_bbp_write(rt2x00dev, 179, 0x00);
6021 	/* Reprogram the inband interface to put right values in RXWI */
6022 	rt2800_bbp_write(rt2x00dev, 142, 0x04);
6023 	rt2800_bbp_write(rt2x00dev, 143, 0x3b);
6024 	rt2800_bbp_write(rt2x00dev, 142, 0x06);
6025 	rt2800_bbp_write(rt2x00dev, 143, 0xa0);
6026 	rt2800_bbp_write(rt2x00dev, 142, 0x07);
6027 	rt2800_bbp_write(rt2x00dev, 143, 0xa1);
6028 	rt2800_bbp_write(rt2x00dev, 142, 0x08);
6029 	rt2800_bbp_write(rt2x00dev, 143, 0xa2);
6030 
6031 	rt2800_bbp_write(rt2x00dev, 148, 0xc8);
6032 
6033 	if (rt2x00_rt(rt2x00dev, RT5350)) {
6034 		/* Antenna Software OFDM */
6035 		rt2800_bbp_write(rt2x00dev, 150, 0x40);
6036 		/* Antenna Software CCK */
6037 		rt2800_bbp_write(rt2x00dev, 151, 0x30);
6038 		rt2800_bbp_write(rt2x00dev, 152, 0xa3);
6039 		/* Clear previously selected antenna */
6040 		rt2800_bbp_write(rt2x00dev, 154, 0);
6041 	}
6042 }
6043 
rt2800_init_bbp_3390(struct rt2x00_dev * rt2x00dev)6044 static void rt2800_init_bbp_3390(struct rt2x00_dev *rt2x00dev)
6045 {
6046 	rt2800_bbp_write(rt2x00dev, 65, 0x2c);
6047 	rt2800_bbp_write(rt2x00dev, 66, 0x38);
6048 
6049 	rt2800_bbp_write(rt2x00dev, 69, 0x12);
6050 	rt2800_bbp_write(rt2x00dev, 73, 0x10);
6051 
6052 	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
6053 
6054 	rt2800_bbp_write(rt2x00dev, 79, 0x13);
6055 	rt2800_bbp_write(rt2x00dev, 80, 0x05);
6056 	rt2800_bbp_write(rt2x00dev, 81, 0x33);
6057 
6058 	rt2800_bbp_write(rt2x00dev, 82, 0x62);
6059 
6060 	rt2800_bbp_write(rt2x00dev, 83, 0x6a);
6061 
6062 	rt2800_bbp_write(rt2x00dev, 84, 0x99);
6063 
6064 	rt2800_bbp_write(rt2x00dev, 86, 0x00);
6065 
6066 	rt2800_bbp_write(rt2x00dev, 91, 0x04);
6067 
6068 	rt2800_bbp_write(rt2x00dev, 92, 0x00);
6069 
6070 	if (rt2x00_rt_rev_gte(rt2x00dev, RT3390, REV_RT3390E))
6071 		rt2800_bbp_write(rt2x00dev, 103, 0xc0);
6072 	else
6073 		rt2800_bbp_write(rt2x00dev, 103, 0x00);
6074 
6075 	rt2800_bbp_write(rt2x00dev, 105, 0x05);
6076 
6077 	rt2800_bbp_write(rt2x00dev, 106, 0x35);
6078 
6079 	rt2800_disable_unused_dac_adc(rt2x00dev);
6080 }
6081 
rt2800_init_bbp_3572(struct rt2x00_dev * rt2x00dev)6082 static void rt2800_init_bbp_3572(struct rt2x00_dev *rt2x00dev)
6083 {
6084 	rt2800_bbp_write(rt2x00dev, 31, 0x08);
6085 
6086 	rt2800_bbp_write(rt2x00dev, 65, 0x2c);
6087 	rt2800_bbp_write(rt2x00dev, 66, 0x38);
6088 
6089 	rt2800_bbp_write(rt2x00dev, 69, 0x12);
6090 	rt2800_bbp_write(rt2x00dev, 73, 0x10);
6091 
6092 	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
6093 
6094 	rt2800_bbp_write(rt2x00dev, 79, 0x13);
6095 	rt2800_bbp_write(rt2x00dev, 80, 0x05);
6096 	rt2800_bbp_write(rt2x00dev, 81, 0x33);
6097 
6098 	rt2800_bbp_write(rt2x00dev, 82, 0x62);
6099 
6100 	rt2800_bbp_write(rt2x00dev, 83, 0x6a);
6101 
6102 	rt2800_bbp_write(rt2x00dev, 84, 0x99);
6103 
6104 	rt2800_bbp_write(rt2x00dev, 86, 0x00);
6105 
6106 	rt2800_bbp_write(rt2x00dev, 91, 0x04);
6107 
6108 	rt2800_bbp_write(rt2x00dev, 92, 0x00);
6109 
6110 	rt2800_bbp_write(rt2x00dev, 103, 0xc0);
6111 
6112 	rt2800_bbp_write(rt2x00dev, 105, 0x05);
6113 
6114 	rt2800_bbp_write(rt2x00dev, 106, 0x35);
6115 
6116 	rt2800_disable_unused_dac_adc(rt2x00dev);
6117 }
6118 
rt2800_init_bbp_3593(struct rt2x00_dev * rt2x00dev)6119 static void rt2800_init_bbp_3593(struct rt2x00_dev *rt2x00dev)
6120 {
6121 	rt2800_init_bbp_early(rt2x00dev);
6122 
6123 	rt2800_bbp_write(rt2x00dev, 79, 0x13);
6124 	rt2800_bbp_write(rt2x00dev, 80, 0x05);
6125 	rt2800_bbp_write(rt2x00dev, 81, 0x33);
6126 	rt2800_bbp_write(rt2x00dev, 137, 0x0f);
6127 
6128 	rt2800_bbp_write(rt2x00dev, 84, 0x19);
6129 
6130 	/* Enable DC filter */
6131 	if (rt2x00_rt_rev_gte(rt2x00dev, RT3593, REV_RT3593E))
6132 		rt2800_bbp_write(rt2x00dev, 103, 0xc0);
6133 }
6134 
rt2800_init_bbp_53xx(struct rt2x00_dev * rt2x00dev)6135 static void rt2800_init_bbp_53xx(struct rt2x00_dev *rt2x00dev)
6136 {
6137 	int ant, div_mode;
6138 	u16 eeprom;
6139 	u8 value;
6140 
6141 	rt2800_bbp4_mac_if_ctrl(rt2x00dev);
6142 
6143 	rt2800_bbp_write(rt2x00dev, 31, 0x08);
6144 
6145 	rt2800_bbp_write(rt2x00dev, 65, 0x2c);
6146 	rt2800_bbp_write(rt2x00dev, 66, 0x38);
6147 
6148 	rt2800_bbp_write(rt2x00dev, 68, 0x0b);
6149 
6150 	rt2800_bbp_write(rt2x00dev, 69, 0x12);
6151 	rt2800_bbp_write(rt2x00dev, 73, 0x13);
6152 	rt2800_bbp_write(rt2x00dev, 75, 0x46);
6153 	rt2800_bbp_write(rt2x00dev, 76, 0x28);
6154 
6155 	rt2800_bbp_write(rt2x00dev, 77, 0x59);
6156 
6157 	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
6158 
6159 	rt2800_bbp_write(rt2x00dev, 79, 0x13);
6160 	rt2800_bbp_write(rt2x00dev, 80, 0x05);
6161 	rt2800_bbp_write(rt2x00dev, 81, 0x33);
6162 
6163 	rt2800_bbp_write(rt2x00dev, 82, 0x62);
6164 
6165 	rt2800_bbp_write(rt2x00dev, 83, 0x7a);
6166 
6167 	rt2800_bbp_write(rt2x00dev, 84, 0x9a);
6168 
6169 	rt2800_bbp_write(rt2x00dev, 86, 0x38);
6170 
6171 	if (rt2x00_rt(rt2x00dev, RT5392))
6172 		rt2800_bbp_write(rt2x00dev, 88, 0x90);
6173 
6174 	rt2800_bbp_write(rt2x00dev, 91, 0x04);
6175 
6176 	rt2800_bbp_write(rt2x00dev, 92, 0x02);
6177 
6178 	if (rt2x00_rt(rt2x00dev, RT5392)) {
6179 		rt2800_bbp_write(rt2x00dev, 95, 0x9a);
6180 		rt2800_bbp_write(rt2x00dev, 98, 0x12);
6181 	}
6182 
6183 	rt2800_bbp_write(rt2x00dev, 103, 0xc0);
6184 
6185 	rt2800_bbp_write(rt2x00dev, 104, 0x92);
6186 
6187 	rt2800_bbp_write(rt2x00dev, 105, 0x3c);
6188 
6189 	if (rt2x00_rt(rt2x00dev, RT5390))
6190 		rt2800_bbp_write(rt2x00dev, 106, 0x03);
6191 	else if (rt2x00_rt(rt2x00dev, RT5392))
6192 		rt2800_bbp_write(rt2x00dev, 106, 0x12);
6193 	else
6194 		WARN_ON(1);
6195 
6196 	rt2800_bbp_write(rt2x00dev, 128, 0x12);
6197 
6198 	if (rt2x00_rt(rt2x00dev, RT5392)) {
6199 		rt2800_bbp_write(rt2x00dev, 134, 0xd0);
6200 		rt2800_bbp_write(rt2x00dev, 135, 0xf6);
6201 	}
6202 
6203 	rt2800_disable_unused_dac_adc(rt2x00dev);
6204 
6205 	eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
6206 	div_mode = rt2x00_get_field16(eeprom,
6207 				      EEPROM_NIC_CONF1_ANT_DIVERSITY);
6208 	ant = (div_mode == 3) ? 1 : 0;
6209 
6210 	/* check if this is a Bluetooth combo card */
6211 	if (rt2x00_has_cap_bt_coexist(rt2x00dev)) {
6212 		u32 reg;
6213 
6214 		reg = rt2800_register_read(rt2x00dev, GPIO_CTRL);
6215 		rt2x00_set_field32(&reg, GPIO_CTRL_DIR3, 0);
6216 		rt2x00_set_field32(&reg, GPIO_CTRL_DIR6, 0);
6217 		rt2x00_set_field32(&reg, GPIO_CTRL_VAL3, 0);
6218 		rt2x00_set_field32(&reg, GPIO_CTRL_VAL6, 0);
6219 		if (ant == 0)
6220 			rt2x00_set_field32(&reg, GPIO_CTRL_VAL3, 1);
6221 		else if (ant == 1)
6222 			rt2x00_set_field32(&reg, GPIO_CTRL_VAL6, 1);
6223 		rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
6224 	}
6225 
6226 	/* These chips have hardware RX antenna diversity */
6227 	if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R) ||
6228 	    rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5370G)) {
6229 		rt2800_bbp_write(rt2x00dev, 150, 0); /* Disable Antenna Software OFDM */
6230 		rt2800_bbp_write(rt2x00dev, 151, 0); /* Disable Antenna Software CCK */
6231 		rt2800_bbp_write(rt2x00dev, 154, 0); /* Clear previously selected antenna */
6232 	}
6233 
6234 	value = rt2800_bbp_read(rt2x00dev, 152);
6235 	if (ant == 0)
6236 		rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1);
6237 	else
6238 		rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0);
6239 	rt2800_bbp_write(rt2x00dev, 152, value);
6240 
6241 	rt2800_init_freq_calibration(rt2x00dev);
6242 }
6243 
rt2800_init_bbp_5592(struct rt2x00_dev * rt2x00dev)6244 static void rt2800_init_bbp_5592(struct rt2x00_dev *rt2x00dev)
6245 {
6246 	int ant, div_mode;
6247 	u16 eeprom;
6248 	u8 value;
6249 
6250 	rt2800_init_bbp_early(rt2x00dev);
6251 
6252 	value = rt2800_bbp_read(rt2x00dev, 105);
6253 	rt2x00_set_field8(&value, BBP105_MLD,
6254 			  rt2x00dev->default_ant.rx_chain_num == 2);
6255 	rt2800_bbp_write(rt2x00dev, 105, value);
6256 
6257 	rt2800_bbp4_mac_if_ctrl(rt2x00dev);
6258 
6259 	rt2800_bbp_write(rt2x00dev, 20, 0x06);
6260 	rt2800_bbp_write(rt2x00dev, 31, 0x08);
6261 	rt2800_bbp_write(rt2x00dev, 65, 0x2C);
6262 	rt2800_bbp_write(rt2x00dev, 68, 0xDD);
6263 	rt2800_bbp_write(rt2x00dev, 69, 0x1A);
6264 	rt2800_bbp_write(rt2x00dev, 70, 0x05);
6265 	rt2800_bbp_write(rt2x00dev, 73, 0x13);
6266 	rt2800_bbp_write(rt2x00dev, 74, 0x0F);
6267 	rt2800_bbp_write(rt2x00dev, 75, 0x4F);
6268 	rt2800_bbp_write(rt2x00dev, 76, 0x28);
6269 	rt2800_bbp_write(rt2x00dev, 77, 0x59);
6270 	rt2800_bbp_write(rt2x00dev, 84, 0x9A);
6271 	rt2800_bbp_write(rt2x00dev, 86, 0x38);
6272 	rt2800_bbp_write(rt2x00dev, 88, 0x90);
6273 	rt2800_bbp_write(rt2x00dev, 91, 0x04);
6274 	rt2800_bbp_write(rt2x00dev, 92, 0x02);
6275 	rt2800_bbp_write(rt2x00dev, 95, 0x9a);
6276 	rt2800_bbp_write(rt2x00dev, 98, 0x12);
6277 	rt2800_bbp_write(rt2x00dev, 103, 0xC0);
6278 	rt2800_bbp_write(rt2x00dev, 104, 0x92);
6279 	/* FIXME BBP105 owerwrite */
6280 	rt2800_bbp_write(rt2x00dev, 105, 0x3C);
6281 	rt2800_bbp_write(rt2x00dev, 106, 0x35);
6282 	rt2800_bbp_write(rt2x00dev, 128, 0x12);
6283 	rt2800_bbp_write(rt2x00dev, 134, 0xD0);
6284 	rt2800_bbp_write(rt2x00dev, 135, 0xF6);
6285 	rt2800_bbp_write(rt2x00dev, 137, 0x0F);
6286 
6287 	/* Initialize GLRT (Generalized Likehood Radio Test) */
6288 	rt2800_init_bbp_5592_glrt(rt2x00dev);
6289 
6290 	rt2800_bbp4_mac_if_ctrl(rt2x00dev);
6291 
6292 	eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
6293 	div_mode = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_ANT_DIVERSITY);
6294 	ant = (div_mode == 3) ? 1 : 0;
6295 	value = rt2800_bbp_read(rt2x00dev, 152);
6296 	if (ant == 0) {
6297 		/* Main antenna */
6298 		rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1);
6299 	} else {
6300 		/* Auxiliary antenna */
6301 		rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0);
6302 	}
6303 	rt2800_bbp_write(rt2x00dev, 152, value);
6304 
6305 	if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C)) {
6306 		value = rt2800_bbp_read(rt2x00dev, 254);
6307 		rt2x00_set_field8(&value, BBP254_BIT7, 1);
6308 		rt2800_bbp_write(rt2x00dev, 254, value);
6309 	}
6310 
6311 	rt2800_init_freq_calibration(rt2x00dev);
6312 
6313 	rt2800_bbp_write(rt2x00dev, 84, 0x19);
6314 	if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C))
6315 		rt2800_bbp_write(rt2x00dev, 103, 0xc0);
6316 }
6317 
rt2800_bbp_glrt_write(struct rt2x00_dev * rt2x00dev,const u8 reg,const u8 value)6318 static void rt2800_bbp_glrt_write(struct rt2x00_dev *rt2x00dev,
6319 				  const u8 reg, const u8 value)
6320 {
6321 	rt2800_bbp_write(rt2x00dev, 195, reg);
6322 	rt2800_bbp_write(rt2x00dev, 196, value);
6323 }
6324 
rt2800_bbp_dcoc_write(struct rt2x00_dev * rt2x00dev,const u8 reg,const u8 value)6325 static void rt2800_bbp_dcoc_write(struct rt2x00_dev *rt2x00dev,
6326 				  const u8 reg, const u8 value)
6327 {
6328 	rt2800_bbp_write(rt2x00dev, 158, reg);
6329 	rt2800_bbp_write(rt2x00dev, 159, value);
6330 }
6331 
rt2800_bbp_dcoc_read(struct rt2x00_dev * rt2x00dev,const u8 reg)6332 static u8 rt2800_bbp_dcoc_read(struct rt2x00_dev *rt2x00dev, const u8 reg)
6333 {
6334 	rt2800_bbp_write(rt2x00dev, 158, reg);
6335 	return rt2800_bbp_read(rt2x00dev, 159);
6336 }
6337 
rt2800_init_bbp_6352(struct rt2x00_dev * rt2x00dev)6338 static void rt2800_init_bbp_6352(struct rt2x00_dev *rt2x00dev)
6339 {
6340 	u8 bbp;
6341 
6342 	/* Apply Maximum Likelihood Detection (MLD) for 2 stream case */
6343 	bbp = rt2800_bbp_read(rt2x00dev, 105);
6344 	rt2x00_set_field8(&bbp, BBP105_MLD,
6345 			  rt2x00dev->default_ant.rx_chain_num == 2);
6346 	rt2800_bbp_write(rt2x00dev, 105, bbp);
6347 
6348 	/* Avoid data loss and CRC errors */
6349 	rt2800_bbp4_mac_if_ctrl(rt2x00dev);
6350 
6351 	/* Fix I/Q swap issue */
6352 	bbp = rt2800_bbp_read(rt2x00dev, 1);
6353 	bbp |= 0x04;
6354 	rt2800_bbp_write(rt2x00dev, 1, bbp);
6355 
6356 	/* BBP for G band */
6357 	rt2800_bbp_write(rt2x00dev, 3, 0x08);
6358 	rt2800_bbp_write(rt2x00dev, 4, 0x00); /* rt2800_bbp4_mac_if_ctrl? */
6359 	rt2800_bbp_write(rt2x00dev, 6, 0x08);
6360 	rt2800_bbp_write(rt2x00dev, 14, 0x09);
6361 	rt2800_bbp_write(rt2x00dev, 15, 0xFF);
6362 	rt2800_bbp_write(rt2x00dev, 16, 0x01);
6363 	rt2800_bbp_write(rt2x00dev, 20, 0x06);
6364 	rt2800_bbp_write(rt2x00dev, 21, 0x00);
6365 	rt2800_bbp_write(rt2x00dev, 22, 0x00);
6366 	rt2800_bbp_write(rt2x00dev, 27, 0x00);
6367 	rt2800_bbp_write(rt2x00dev, 28, 0x00);
6368 	rt2800_bbp_write(rt2x00dev, 30, 0x00);
6369 	rt2800_bbp_write(rt2x00dev, 31, 0x48);
6370 	rt2800_bbp_write(rt2x00dev, 47, 0x40);
6371 	rt2800_bbp_write(rt2x00dev, 62, 0x00);
6372 	rt2800_bbp_write(rt2x00dev, 63, 0x00);
6373 	rt2800_bbp_write(rt2x00dev, 64, 0x00);
6374 	rt2800_bbp_write(rt2x00dev, 65, 0x2C);
6375 	rt2800_bbp_write(rt2x00dev, 66, 0x1C);
6376 	rt2800_bbp_write(rt2x00dev, 67, 0x20);
6377 	rt2800_bbp_write(rt2x00dev, 68, 0xDD);
6378 	rt2800_bbp_write(rt2x00dev, 69, 0x10);
6379 	rt2800_bbp_write(rt2x00dev, 70, 0x05);
6380 	rt2800_bbp_write(rt2x00dev, 73, 0x18);
6381 	rt2800_bbp_write(rt2x00dev, 74, 0x0F);
6382 	rt2800_bbp_write(rt2x00dev, 75, 0x60);
6383 	rt2800_bbp_write(rt2x00dev, 76, 0x44);
6384 	rt2800_bbp_write(rt2x00dev, 77, 0x59);
6385 	rt2800_bbp_write(rt2x00dev, 78, 0x1E);
6386 	rt2800_bbp_write(rt2x00dev, 79, 0x1C);
6387 	rt2800_bbp_write(rt2x00dev, 80, 0x0C);
6388 	rt2800_bbp_write(rt2x00dev, 81, 0x3A);
6389 	rt2800_bbp_write(rt2x00dev, 82, 0xB6);
6390 	rt2800_bbp_write(rt2x00dev, 83, 0x9A);
6391 	rt2800_bbp_write(rt2x00dev, 84, 0x9A);
6392 	rt2800_bbp_write(rt2x00dev, 86, 0x38);
6393 	rt2800_bbp_write(rt2x00dev, 88, 0x90);
6394 	rt2800_bbp_write(rt2x00dev, 91, 0x04);
6395 	rt2800_bbp_write(rt2x00dev, 92, 0x02);
6396 	rt2800_bbp_write(rt2x00dev, 95, 0x9A);
6397 	rt2800_bbp_write(rt2x00dev, 96, 0x00);
6398 	rt2800_bbp_write(rt2x00dev, 103, 0xC0);
6399 	rt2800_bbp_write(rt2x00dev, 104, 0x92);
6400 	/* FIXME BBP105 owerwrite */
6401 	rt2800_bbp_write(rt2x00dev, 105, 0x3C);
6402 	rt2800_bbp_write(rt2x00dev, 106, 0x12);
6403 	rt2800_bbp_write(rt2x00dev, 109, 0x00);
6404 	rt2800_bbp_write(rt2x00dev, 134, 0x10);
6405 	rt2800_bbp_write(rt2x00dev, 135, 0xA6);
6406 	rt2800_bbp_write(rt2x00dev, 137, 0x04);
6407 	rt2800_bbp_write(rt2x00dev, 142, 0x30);
6408 	rt2800_bbp_write(rt2x00dev, 143, 0xF7);
6409 	rt2800_bbp_write(rt2x00dev, 160, 0xEC);
6410 	rt2800_bbp_write(rt2x00dev, 161, 0xC4);
6411 	rt2800_bbp_write(rt2x00dev, 162, 0x77);
6412 	rt2800_bbp_write(rt2x00dev, 163, 0xF9);
6413 	rt2800_bbp_write(rt2x00dev, 164, 0x00);
6414 	rt2800_bbp_write(rt2x00dev, 165, 0x00);
6415 	rt2800_bbp_write(rt2x00dev, 186, 0x00);
6416 	rt2800_bbp_write(rt2x00dev, 187, 0x00);
6417 	rt2800_bbp_write(rt2x00dev, 188, 0x00);
6418 	rt2800_bbp_write(rt2x00dev, 186, 0x00);
6419 	rt2800_bbp_write(rt2x00dev, 187, 0x01);
6420 	rt2800_bbp_write(rt2x00dev, 188, 0x00);
6421 	rt2800_bbp_write(rt2x00dev, 189, 0x00);
6422 
6423 	rt2800_bbp_write(rt2x00dev, 91, 0x06);
6424 	rt2800_bbp_write(rt2x00dev, 92, 0x04);
6425 	rt2800_bbp_write(rt2x00dev, 93, 0x54);
6426 	rt2800_bbp_write(rt2x00dev, 99, 0x50);
6427 	rt2800_bbp_write(rt2x00dev, 148, 0x84);
6428 	rt2800_bbp_write(rt2x00dev, 167, 0x80);
6429 	rt2800_bbp_write(rt2x00dev, 178, 0xFF);
6430 	rt2800_bbp_write(rt2x00dev, 106, 0x13);
6431 
6432 	/* BBP for G band GLRT function (BBP_128 ~ BBP_221) */
6433 	rt2800_bbp_glrt_write(rt2x00dev, 0, 0x00);
6434 	rt2800_bbp_glrt_write(rt2x00dev, 1, 0x14);
6435 	rt2800_bbp_glrt_write(rt2x00dev, 2, 0x20);
6436 	rt2800_bbp_glrt_write(rt2x00dev, 3, 0x0A);
6437 	rt2800_bbp_glrt_write(rt2x00dev, 10, 0x16);
6438 	rt2800_bbp_glrt_write(rt2x00dev, 11, 0x06);
6439 	rt2800_bbp_glrt_write(rt2x00dev, 12, 0x02);
6440 	rt2800_bbp_glrt_write(rt2x00dev, 13, 0x07);
6441 	rt2800_bbp_glrt_write(rt2x00dev, 14, 0x05);
6442 	rt2800_bbp_glrt_write(rt2x00dev, 15, 0x09);
6443 	rt2800_bbp_glrt_write(rt2x00dev, 16, 0x20);
6444 	rt2800_bbp_glrt_write(rt2x00dev, 17, 0x08);
6445 	rt2800_bbp_glrt_write(rt2x00dev, 18, 0x4A);
6446 	rt2800_bbp_glrt_write(rt2x00dev, 19, 0x00);
6447 	rt2800_bbp_glrt_write(rt2x00dev, 20, 0x00);
6448 	rt2800_bbp_glrt_write(rt2x00dev, 128, 0xE0);
6449 	rt2800_bbp_glrt_write(rt2x00dev, 129, 0x1F);
6450 	rt2800_bbp_glrt_write(rt2x00dev, 130, 0x4F);
6451 	rt2800_bbp_glrt_write(rt2x00dev, 131, 0x32);
6452 	rt2800_bbp_glrt_write(rt2x00dev, 132, 0x08);
6453 	rt2800_bbp_glrt_write(rt2x00dev, 133, 0x28);
6454 	rt2800_bbp_glrt_write(rt2x00dev, 134, 0x19);
6455 	rt2800_bbp_glrt_write(rt2x00dev, 135, 0x0A);
6456 	rt2800_bbp_glrt_write(rt2x00dev, 138, 0x16);
6457 	rt2800_bbp_glrt_write(rt2x00dev, 139, 0x10);
6458 	rt2800_bbp_glrt_write(rt2x00dev, 140, 0x10);
6459 	rt2800_bbp_glrt_write(rt2x00dev, 141, 0x1A);
6460 	rt2800_bbp_glrt_write(rt2x00dev, 142, 0x36);
6461 	rt2800_bbp_glrt_write(rt2x00dev, 143, 0x2C);
6462 	rt2800_bbp_glrt_write(rt2x00dev, 144, 0x26);
6463 	rt2800_bbp_glrt_write(rt2x00dev, 145, 0x24);
6464 	rt2800_bbp_glrt_write(rt2x00dev, 146, 0x42);
6465 	rt2800_bbp_glrt_write(rt2x00dev, 147, 0x40);
6466 	rt2800_bbp_glrt_write(rt2x00dev, 148, 0x30);
6467 	rt2800_bbp_glrt_write(rt2x00dev, 149, 0x29);
6468 	rt2800_bbp_glrt_write(rt2x00dev, 150, 0x4C);
6469 	rt2800_bbp_glrt_write(rt2x00dev, 151, 0x46);
6470 	rt2800_bbp_glrt_write(rt2x00dev, 152, 0x3D);
6471 	rt2800_bbp_glrt_write(rt2x00dev, 153, 0x40);
6472 	rt2800_bbp_glrt_write(rt2x00dev, 154, 0x3E);
6473 	rt2800_bbp_glrt_write(rt2x00dev, 155, 0x38);
6474 	rt2800_bbp_glrt_write(rt2x00dev, 156, 0x3D);
6475 	rt2800_bbp_glrt_write(rt2x00dev, 157, 0x2F);
6476 	rt2800_bbp_glrt_write(rt2x00dev, 158, 0x3C);
6477 	rt2800_bbp_glrt_write(rt2x00dev, 159, 0x34);
6478 	rt2800_bbp_glrt_write(rt2x00dev, 160, 0x2C);
6479 	rt2800_bbp_glrt_write(rt2x00dev, 161, 0x2F);
6480 	rt2800_bbp_glrt_write(rt2x00dev, 162, 0x3C);
6481 	rt2800_bbp_glrt_write(rt2x00dev, 163, 0x35);
6482 	rt2800_bbp_glrt_write(rt2x00dev, 164, 0x2E);
6483 	rt2800_bbp_glrt_write(rt2x00dev, 165, 0x2F);
6484 	rt2800_bbp_glrt_write(rt2x00dev, 166, 0x49);
6485 	rt2800_bbp_glrt_write(rt2x00dev, 167, 0x41);
6486 	rt2800_bbp_glrt_write(rt2x00dev, 168, 0x36);
6487 	rt2800_bbp_glrt_write(rt2x00dev, 169, 0x39);
6488 	rt2800_bbp_glrt_write(rt2x00dev, 170, 0x30);
6489 	rt2800_bbp_glrt_write(rt2x00dev, 171, 0x30);
6490 	rt2800_bbp_glrt_write(rt2x00dev, 172, 0x0E);
6491 	rt2800_bbp_glrt_write(rt2x00dev, 173, 0x0D);
6492 	rt2800_bbp_glrt_write(rt2x00dev, 174, 0x28);
6493 	rt2800_bbp_glrt_write(rt2x00dev, 175, 0x21);
6494 	rt2800_bbp_glrt_write(rt2x00dev, 176, 0x1C);
6495 	rt2800_bbp_glrt_write(rt2x00dev, 177, 0x16);
6496 	rt2800_bbp_glrt_write(rt2x00dev, 178, 0x50);
6497 	rt2800_bbp_glrt_write(rt2x00dev, 179, 0x4A);
6498 	rt2800_bbp_glrt_write(rt2x00dev, 180, 0x43);
6499 	rt2800_bbp_glrt_write(rt2x00dev, 181, 0x50);
6500 	rt2800_bbp_glrt_write(rt2x00dev, 182, 0x10);
6501 	rt2800_bbp_glrt_write(rt2x00dev, 183, 0x10);
6502 	rt2800_bbp_glrt_write(rt2x00dev, 184, 0x10);
6503 	rt2800_bbp_glrt_write(rt2x00dev, 185, 0x10);
6504 	rt2800_bbp_glrt_write(rt2x00dev, 200, 0x7D);
6505 	rt2800_bbp_glrt_write(rt2x00dev, 201, 0x14);
6506 	rt2800_bbp_glrt_write(rt2x00dev, 202, 0x32);
6507 	rt2800_bbp_glrt_write(rt2x00dev, 203, 0x2C);
6508 	rt2800_bbp_glrt_write(rt2x00dev, 204, 0x36);
6509 	rt2800_bbp_glrt_write(rt2x00dev, 205, 0x4C);
6510 	rt2800_bbp_glrt_write(rt2x00dev, 206, 0x43);
6511 	rt2800_bbp_glrt_write(rt2x00dev, 207, 0x2C);
6512 	rt2800_bbp_glrt_write(rt2x00dev, 208, 0x2E);
6513 	rt2800_bbp_glrt_write(rt2x00dev, 209, 0x36);
6514 	rt2800_bbp_glrt_write(rt2x00dev, 210, 0x30);
6515 	rt2800_bbp_glrt_write(rt2x00dev, 211, 0x6E);
6516 
6517 	/* BBP for G band DCOC function */
6518 	rt2800_bbp_dcoc_write(rt2x00dev, 140, 0x0C);
6519 	rt2800_bbp_dcoc_write(rt2x00dev, 141, 0x00);
6520 	rt2800_bbp_dcoc_write(rt2x00dev, 142, 0x10);
6521 	rt2800_bbp_dcoc_write(rt2x00dev, 143, 0x10);
6522 	rt2800_bbp_dcoc_write(rt2x00dev, 144, 0x10);
6523 	rt2800_bbp_dcoc_write(rt2x00dev, 145, 0x10);
6524 	rt2800_bbp_dcoc_write(rt2x00dev, 146, 0x08);
6525 	rt2800_bbp_dcoc_write(rt2x00dev, 147, 0x40);
6526 	rt2800_bbp_dcoc_write(rt2x00dev, 148, 0x04);
6527 	rt2800_bbp_dcoc_write(rt2x00dev, 149, 0x04);
6528 	rt2800_bbp_dcoc_write(rt2x00dev, 150, 0x08);
6529 	rt2800_bbp_dcoc_write(rt2x00dev, 151, 0x08);
6530 	rt2800_bbp_dcoc_write(rt2x00dev, 152, 0x03);
6531 	rt2800_bbp_dcoc_write(rt2x00dev, 153, 0x03);
6532 	rt2800_bbp_dcoc_write(rt2x00dev, 154, 0x03);
6533 	rt2800_bbp_dcoc_write(rt2x00dev, 155, 0x02);
6534 	rt2800_bbp_dcoc_write(rt2x00dev, 156, 0x40);
6535 	rt2800_bbp_dcoc_write(rt2x00dev, 157, 0x40);
6536 	rt2800_bbp_dcoc_write(rt2x00dev, 158, 0x64);
6537 	rt2800_bbp_dcoc_write(rt2x00dev, 159, 0x64);
6538 
6539 	rt2800_bbp4_mac_if_ctrl(rt2x00dev);
6540 }
6541 
rt2800_init_bbp(struct rt2x00_dev * rt2x00dev)6542 static void rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
6543 {
6544 	unsigned int i;
6545 	u16 eeprom;
6546 	u8 reg_id;
6547 	u8 value;
6548 
6549 	if (rt2800_is_305x_soc(rt2x00dev))
6550 		rt2800_init_bbp_305x_soc(rt2x00dev);
6551 
6552 	switch (rt2x00dev->chip.rt) {
6553 	case RT2860:
6554 	case RT2872:
6555 	case RT2883:
6556 		rt2800_init_bbp_28xx(rt2x00dev);
6557 		break;
6558 	case RT3070:
6559 	case RT3071:
6560 	case RT3090:
6561 		rt2800_init_bbp_30xx(rt2x00dev);
6562 		break;
6563 	case RT3290:
6564 		rt2800_init_bbp_3290(rt2x00dev);
6565 		break;
6566 	case RT3352:
6567 	case RT5350:
6568 		rt2800_init_bbp_3352(rt2x00dev);
6569 		break;
6570 	case RT3390:
6571 		rt2800_init_bbp_3390(rt2x00dev);
6572 		break;
6573 	case RT3572:
6574 		rt2800_init_bbp_3572(rt2x00dev);
6575 		break;
6576 	case RT3593:
6577 		rt2800_init_bbp_3593(rt2x00dev);
6578 		return;
6579 	case RT5390:
6580 	case RT5392:
6581 		rt2800_init_bbp_53xx(rt2x00dev);
6582 		break;
6583 	case RT5592:
6584 		rt2800_init_bbp_5592(rt2x00dev);
6585 		return;
6586 	case RT6352:
6587 		rt2800_init_bbp_6352(rt2x00dev);
6588 		break;
6589 	}
6590 
6591 	for (i = 0; i < EEPROM_BBP_SIZE; i++) {
6592 		eeprom = rt2800_eeprom_read_from_array(rt2x00dev,
6593 						       EEPROM_BBP_START, i);
6594 
6595 		if (eeprom != 0xffff && eeprom != 0x0000) {
6596 			reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
6597 			value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
6598 			rt2800_bbp_write(rt2x00dev, reg_id, value);
6599 		}
6600 	}
6601 }
6602 
rt2800_led_open_drain_enable(struct rt2x00_dev * rt2x00dev)6603 static void rt2800_led_open_drain_enable(struct rt2x00_dev *rt2x00dev)
6604 {
6605 	u32 reg;
6606 
6607 	reg = rt2800_register_read(rt2x00dev, OPT_14_CSR);
6608 	rt2x00_set_field32(&reg, OPT_14_CSR_BIT0, 1);
6609 	rt2800_register_write(rt2x00dev, OPT_14_CSR, reg);
6610 }
6611 
rt2800_init_rx_filter(struct rt2x00_dev * rt2x00dev,bool bw40,u8 filter_target)6612 static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev, bool bw40,
6613 				u8 filter_target)
6614 {
6615 	unsigned int i;
6616 	u8 bbp;
6617 	u8 rfcsr;
6618 	u8 passband;
6619 	u8 stopband;
6620 	u8 overtuned = 0;
6621 	u8 rfcsr24 = (bw40) ? 0x27 : 0x07;
6622 
6623 	rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
6624 
6625 	bbp = rt2800_bbp_read(rt2x00dev, 4);
6626 	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
6627 	rt2800_bbp_write(rt2x00dev, 4, bbp);
6628 
6629 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 31);
6630 	rt2x00_set_field8(&rfcsr, RFCSR31_RX_H20M, bw40);
6631 	rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
6632 
6633 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 22);
6634 	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
6635 	rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
6636 
6637 	/*
6638 	 * Set power & frequency of passband test tone
6639 	 */
6640 	rt2800_bbp_write(rt2x00dev, 24, 0);
6641 
6642 	for (i = 0; i < 100; i++) {
6643 		rt2800_bbp_write(rt2x00dev, 25, 0x90);
6644 		msleep(1);
6645 
6646 		passband = rt2800_bbp_read(rt2x00dev, 55);
6647 		if (passband)
6648 			break;
6649 	}
6650 
6651 	/*
6652 	 * Set power & frequency of stopband test tone
6653 	 */
6654 	rt2800_bbp_write(rt2x00dev, 24, 0x06);
6655 
6656 	for (i = 0; i < 100; i++) {
6657 		rt2800_bbp_write(rt2x00dev, 25, 0x90);
6658 		msleep(1);
6659 
6660 		stopband = rt2800_bbp_read(rt2x00dev, 55);
6661 
6662 		if ((passband - stopband) <= filter_target) {
6663 			rfcsr24++;
6664 			overtuned += ((passband - stopband) == filter_target);
6665 		} else
6666 			break;
6667 
6668 		rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
6669 	}
6670 
6671 	rfcsr24 -= !!overtuned;
6672 
6673 	rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
6674 	return rfcsr24;
6675 }
6676 
rt2800_rf_init_calibration(struct rt2x00_dev * rt2x00dev,const unsigned int rf_reg)6677 static void rt2800_rf_init_calibration(struct rt2x00_dev *rt2x00dev,
6678 				       const unsigned int rf_reg)
6679 {
6680 	u8 rfcsr;
6681 
6682 	rfcsr = rt2800_rfcsr_read(rt2x00dev, rf_reg);
6683 	rt2x00_set_field8(&rfcsr, FIELD8(0x80), 1);
6684 	rt2800_rfcsr_write(rt2x00dev, rf_reg, rfcsr);
6685 	msleep(1);
6686 	rt2x00_set_field8(&rfcsr, FIELD8(0x80), 0);
6687 	rt2800_rfcsr_write(rt2x00dev, rf_reg, rfcsr);
6688 }
6689 
rt2800_rx_filter_calibration(struct rt2x00_dev * rt2x00dev)6690 static void rt2800_rx_filter_calibration(struct rt2x00_dev *rt2x00dev)
6691 {
6692 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
6693 	u8 filter_tgt_bw20;
6694 	u8 filter_tgt_bw40;
6695 	u8 rfcsr, bbp;
6696 
6697 	/*
6698 	 * TODO: sync filter_tgt values with vendor driver
6699 	 */
6700 	if (rt2x00_rt(rt2x00dev, RT3070)) {
6701 		filter_tgt_bw20 = 0x16;
6702 		filter_tgt_bw40 = 0x19;
6703 	} else {
6704 		filter_tgt_bw20 = 0x13;
6705 		filter_tgt_bw40 = 0x15;
6706 	}
6707 
6708 	drv_data->calibration_bw20 =
6709 		rt2800_init_rx_filter(rt2x00dev, false, filter_tgt_bw20);
6710 	drv_data->calibration_bw40 =
6711 		rt2800_init_rx_filter(rt2x00dev, true, filter_tgt_bw40);
6712 
6713 	/*
6714 	 * Save BBP 25 & 26 values for later use in channel switching (for 3052)
6715 	 */
6716 	drv_data->bbp25 = rt2800_bbp_read(rt2x00dev, 25);
6717 	drv_data->bbp26 = rt2800_bbp_read(rt2x00dev, 26);
6718 
6719 	/*
6720 	 * Set back to initial state
6721 	 */
6722 	rt2800_bbp_write(rt2x00dev, 24, 0);
6723 
6724 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 22);
6725 	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
6726 	rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
6727 
6728 	/*
6729 	 * Set BBP back to BW20
6730 	 */
6731 	bbp = rt2800_bbp_read(rt2x00dev, 4);
6732 	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
6733 	rt2800_bbp_write(rt2x00dev, 4, bbp);
6734 }
6735 
rt2800_normal_mode_setup_3xxx(struct rt2x00_dev * rt2x00dev)6736 static void rt2800_normal_mode_setup_3xxx(struct rt2x00_dev *rt2x00dev)
6737 {
6738 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
6739 	u8 min_gain, rfcsr, bbp;
6740 	u16 eeprom;
6741 
6742 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 17);
6743 
6744 	rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0);
6745 	if (rt2x00_rt(rt2x00dev, RT3070) ||
6746 	    rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
6747 	    rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
6748 	    rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
6749 		if (!rt2x00_has_cap_external_lna_bg(rt2x00dev))
6750 			rt2x00_set_field8(&rfcsr, RFCSR17_R, 1);
6751 	}
6752 
6753 	min_gain = rt2x00_rt(rt2x00dev, RT3070) ? 1 : 2;
6754 	if (drv_data->txmixer_gain_24g >= min_gain) {
6755 		rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN,
6756 				  drv_data->txmixer_gain_24g);
6757 	}
6758 
6759 	rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
6760 
6761 	if (rt2x00_rt(rt2x00dev, RT3090)) {
6762 		/*  Turn off unused DAC1 and ADC1 to reduce power consumption */
6763 		bbp = rt2800_bbp_read(rt2x00dev, 138);
6764 		eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0);
6765 		if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
6766 			rt2x00_set_field8(&bbp, BBP138_RX_ADC1, 0);
6767 		if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
6768 			rt2x00_set_field8(&bbp, BBP138_TX_DAC1, 1);
6769 		rt2800_bbp_write(rt2x00dev, 138, bbp);
6770 	}
6771 
6772 	if (rt2x00_rt(rt2x00dev, RT3070)) {
6773 		rfcsr = rt2800_rfcsr_read(rt2x00dev, 27);
6774 		if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F))
6775 			rt2x00_set_field8(&rfcsr, RFCSR27_R1, 3);
6776 		else
6777 			rt2x00_set_field8(&rfcsr, RFCSR27_R1, 0);
6778 		rt2x00_set_field8(&rfcsr, RFCSR27_R2, 0);
6779 		rt2x00_set_field8(&rfcsr, RFCSR27_R3, 0);
6780 		rt2x00_set_field8(&rfcsr, RFCSR27_R4, 0);
6781 		rt2800_rfcsr_write(rt2x00dev, 27, rfcsr);
6782 	} else if (rt2x00_rt(rt2x00dev, RT3071) ||
6783 		   rt2x00_rt(rt2x00dev, RT3090) ||
6784 		   rt2x00_rt(rt2x00dev, RT3390)) {
6785 		rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
6786 		rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
6787 		rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
6788 		rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
6789 		rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
6790 		rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
6791 		rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
6792 
6793 		rfcsr = rt2800_rfcsr_read(rt2x00dev, 15);
6794 		rt2x00_set_field8(&rfcsr, RFCSR15_TX_LO2_EN, 0);
6795 		rt2800_rfcsr_write(rt2x00dev, 15, rfcsr);
6796 
6797 		rfcsr = rt2800_rfcsr_read(rt2x00dev, 20);
6798 		rt2x00_set_field8(&rfcsr, RFCSR20_RX_LO1_EN, 0);
6799 		rt2800_rfcsr_write(rt2x00dev, 20, rfcsr);
6800 
6801 		rfcsr = rt2800_rfcsr_read(rt2x00dev, 21);
6802 		rt2x00_set_field8(&rfcsr, RFCSR21_RX_LO2_EN, 0);
6803 		rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
6804 	}
6805 }
6806 
rt2800_normal_mode_setup_3593(struct rt2x00_dev * rt2x00dev)6807 static void rt2800_normal_mode_setup_3593(struct rt2x00_dev *rt2x00dev)
6808 {
6809 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
6810 	u8 rfcsr;
6811 	u8 tx_gain;
6812 
6813 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 50);
6814 	rt2x00_set_field8(&rfcsr, RFCSR50_TX_LO2_EN, 0);
6815 	rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
6816 
6817 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 51);
6818 	tx_gain = rt2x00_get_field8(drv_data->txmixer_gain_24g,
6819 				    RFCSR17_TXMIXER_GAIN);
6820 	rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, tx_gain);
6821 	rt2800_rfcsr_write(rt2x00dev, 51, rfcsr);
6822 
6823 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 38);
6824 	rt2x00_set_field8(&rfcsr, RFCSR38_RX_LO1_EN, 0);
6825 	rt2800_rfcsr_write(rt2x00dev, 38, rfcsr);
6826 
6827 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 39);
6828 	rt2x00_set_field8(&rfcsr, RFCSR39_RX_LO2_EN, 0);
6829 	rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
6830 
6831 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
6832 	rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
6833 	rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
6834 	rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
6835 
6836 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 30);
6837 	rt2x00_set_field8(&rfcsr, RFCSR30_RX_VCM, 2);
6838 	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
6839 
6840 	/* TODO: enable stream mode */
6841 }
6842 
rt2800_normal_mode_setup_5xxx(struct rt2x00_dev * rt2x00dev)6843 static void rt2800_normal_mode_setup_5xxx(struct rt2x00_dev *rt2x00dev)
6844 {
6845 	u8 reg;
6846 	u16 eeprom;
6847 
6848 	/*  Turn off unused DAC1 and ADC1 to reduce power consumption */
6849 	reg = rt2800_bbp_read(rt2x00dev, 138);
6850 	eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0);
6851 	if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
6852 		rt2x00_set_field8(&reg, BBP138_RX_ADC1, 0);
6853 	if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
6854 		rt2x00_set_field8(&reg, BBP138_TX_DAC1, 1);
6855 	rt2800_bbp_write(rt2x00dev, 138, reg);
6856 
6857 	reg = rt2800_rfcsr_read(rt2x00dev, 38);
6858 	rt2x00_set_field8(&reg, RFCSR38_RX_LO1_EN, 0);
6859 	rt2800_rfcsr_write(rt2x00dev, 38, reg);
6860 
6861 	reg = rt2800_rfcsr_read(rt2x00dev, 39);
6862 	rt2x00_set_field8(&reg, RFCSR39_RX_LO2_EN, 0);
6863 	rt2800_rfcsr_write(rt2x00dev, 39, reg);
6864 
6865 	rt2800_bbp4_mac_if_ctrl(rt2x00dev);
6866 
6867 	reg = rt2800_rfcsr_read(rt2x00dev, 30);
6868 	rt2x00_set_field8(&reg, RFCSR30_RX_VCM, 2);
6869 	rt2800_rfcsr_write(rt2x00dev, 30, reg);
6870 }
6871 
rt2800_init_rfcsr_305x_soc(struct rt2x00_dev * rt2x00dev)6872 static void rt2800_init_rfcsr_305x_soc(struct rt2x00_dev *rt2x00dev)
6873 {
6874 	rt2800_rf_init_calibration(rt2x00dev, 30);
6875 
6876 	rt2800_rfcsr_write(rt2x00dev, 0, 0x50);
6877 	rt2800_rfcsr_write(rt2x00dev, 1, 0x01);
6878 	rt2800_rfcsr_write(rt2x00dev, 2, 0xf7);
6879 	rt2800_rfcsr_write(rt2x00dev, 3, 0x75);
6880 	rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
6881 	rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
6882 	rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
6883 	rt2800_rfcsr_write(rt2x00dev, 7, 0x50);
6884 	rt2800_rfcsr_write(rt2x00dev, 8, 0x39);
6885 	rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
6886 	rt2800_rfcsr_write(rt2x00dev, 10, 0x60);
6887 	rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
6888 	rt2800_rfcsr_write(rt2x00dev, 12, 0x75);
6889 	rt2800_rfcsr_write(rt2x00dev, 13, 0x75);
6890 	rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
6891 	rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
6892 	rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
6893 	rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
6894 	rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
6895 	rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
6896 	rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
6897 	rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
6898 	rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
6899 	rt2800_rfcsr_write(rt2x00dev, 23, 0x31);
6900 	rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
6901 	rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
6902 	rt2800_rfcsr_write(rt2x00dev, 26, 0x25);
6903 	rt2800_rfcsr_write(rt2x00dev, 27, 0x23);
6904 	rt2800_rfcsr_write(rt2x00dev, 28, 0x13);
6905 	rt2800_rfcsr_write(rt2x00dev, 29, 0x83);
6906 	rt2800_rfcsr_write(rt2x00dev, 30, 0x00);
6907 	rt2800_rfcsr_write(rt2x00dev, 31, 0x00);
6908 }
6909 
rt2800_init_rfcsr_30xx(struct rt2x00_dev * rt2x00dev)6910 static void rt2800_init_rfcsr_30xx(struct rt2x00_dev *rt2x00dev)
6911 {
6912 	u8 rfcsr;
6913 	u16 eeprom;
6914 	u32 reg;
6915 
6916 	/* XXX vendor driver do this only for 3070 */
6917 	rt2800_rf_init_calibration(rt2x00dev, 30);
6918 
6919 	rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
6920 	rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
6921 	rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
6922 	rt2800_rfcsr_write(rt2x00dev, 7, 0x60);
6923 	rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
6924 	rt2800_rfcsr_write(rt2x00dev, 10, 0x41);
6925 	rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
6926 	rt2800_rfcsr_write(rt2x00dev, 12, 0x7b);
6927 	rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
6928 	rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
6929 	rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
6930 	rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
6931 	rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
6932 	rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
6933 	rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
6934 	rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
6935 	rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
6936 	rt2800_rfcsr_write(rt2x00dev, 25, 0x03);
6937 	rt2800_rfcsr_write(rt2x00dev, 29, 0x1f);
6938 
6939 	if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
6940 		reg = rt2800_register_read(rt2x00dev, LDO_CFG0);
6941 		rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
6942 		rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
6943 		rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6944 	} else if (rt2x00_rt(rt2x00dev, RT3071) ||
6945 		   rt2x00_rt(rt2x00dev, RT3090)) {
6946 		rt2800_rfcsr_write(rt2x00dev, 31, 0x14);
6947 
6948 		rfcsr = rt2800_rfcsr_read(rt2x00dev, 6);
6949 		rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
6950 		rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
6951 
6952 		reg = rt2800_register_read(rt2x00dev, LDO_CFG0);
6953 		rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
6954 		if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
6955 		    rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E)) {
6956 			eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
6957 			if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
6958 				rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
6959 			else
6960 				rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
6961 		}
6962 		rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6963 
6964 		reg = rt2800_register_read(rt2x00dev, GPIO_SWITCH);
6965 		rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
6966 		rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
6967 	}
6968 
6969 	rt2800_rx_filter_calibration(rt2x00dev);
6970 
6971 	if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F) ||
6972 	    rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
6973 	    rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E))
6974 		rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
6975 
6976 	rt2800_led_open_drain_enable(rt2x00dev);
6977 	rt2800_normal_mode_setup_3xxx(rt2x00dev);
6978 }
6979 
rt2800_init_rfcsr_3290(struct rt2x00_dev * rt2x00dev)6980 static void rt2800_init_rfcsr_3290(struct rt2x00_dev *rt2x00dev)
6981 {
6982 	u8 rfcsr;
6983 
6984 	rt2800_rf_init_calibration(rt2x00dev, 2);
6985 
6986 	rt2800_rfcsr_write(rt2x00dev, 1, 0x0f);
6987 	rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
6988 	rt2800_rfcsr_write(rt2x00dev, 3, 0x08);
6989 	rt2800_rfcsr_write(rt2x00dev, 4, 0x00);
6990 	rt2800_rfcsr_write(rt2x00dev, 6, 0xa0);
6991 	rt2800_rfcsr_write(rt2x00dev, 8, 0xf3);
6992 	rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
6993 	rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
6994 	rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
6995 	rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
6996 	rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
6997 	rt2800_rfcsr_write(rt2x00dev, 18, 0x02);
6998 	rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
6999 	rt2800_rfcsr_write(rt2x00dev, 25, 0x83);
7000 	rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
7001 	rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
7002 	rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
7003 	rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
7004 	rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
7005 	rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
7006 	rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
7007 	rt2800_rfcsr_write(rt2x00dev, 34, 0x05);
7008 	rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
7009 	rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
7010 	rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
7011 	rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
7012 	rt2800_rfcsr_write(rt2x00dev, 40, 0x0b);
7013 	rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
7014 	rt2800_rfcsr_write(rt2x00dev, 42, 0xd5);
7015 	rt2800_rfcsr_write(rt2x00dev, 43, 0x7b);
7016 	rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
7017 	rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
7018 	rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
7019 	rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
7020 	rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
7021 	rt2800_rfcsr_write(rt2x00dev, 49, 0x98);
7022 	rt2800_rfcsr_write(rt2x00dev, 52, 0x38);
7023 	rt2800_rfcsr_write(rt2x00dev, 53, 0x00);
7024 	rt2800_rfcsr_write(rt2x00dev, 54, 0x78);
7025 	rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
7026 	rt2800_rfcsr_write(rt2x00dev, 56, 0x02);
7027 	rt2800_rfcsr_write(rt2x00dev, 57, 0x80);
7028 	rt2800_rfcsr_write(rt2x00dev, 58, 0x7f);
7029 	rt2800_rfcsr_write(rt2x00dev, 59, 0x09);
7030 	rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
7031 	rt2800_rfcsr_write(rt2x00dev, 61, 0xc1);
7032 
7033 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 29);
7034 	rt2x00_set_field8(&rfcsr, RFCSR29_RSSI_GAIN, 3);
7035 	rt2800_rfcsr_write(rt2x00dev, 29, rfcsr);
7036 
7037 	rt2800_led_open_drain_enable(rt2x00dev);
7038 	rt2800_normal_mode_setup_3xxx(rt2x00dev);
7039 }
7040 
rt2800_init_rfcsr_3352(struct rt2x00_dev * rt2x00dev)7041 static void rt2800_init_rfcsr_3352(struct rt2x00_dev *rt2x00dev)
7042 {
7043 	int tx0_ext_pa = test_bit(CAPABILITY_EXTERNAL_PA_TX0,
7044 				  &rt2x00dev->cap_flags);
7045 	int tx1_ext_pa = test_bit(CAPABILITY_EXTERNAL_PA_TX1,
7046 				  &rt2x00dev->cap_flags);
7047 	u8 rfcsr;
7048 
7049 	rt2800_rf_init_calibration(rt2x00dev, 30);
7050 
7051 	rt2800_rfcsr_write(rt2x00dev, 0, 0xf0);
7052 	rt2800_rfcsr_write(rt2x00dev, 1, 0x23);
7053 	rt2800_rfcsr_write(rt2x00dev, 2, 0x50);
7054 	rt2800_rfcsr_write(rt2x00dev, 3, 0x18);
7055 	rt2800_rfcsr_write(rt2x00dev, 4, 0x00);
7056 	rt2800_rfcsr_write(rt2x00dev, 5, 0x00);
7057 	rt2800_rfcsr_write(rt2x00dev, 6, 0x33);
7058 	rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
7059 	rt2800_rfcsr_write(rt2x00dev, 8, 0xf1);
7060 	rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
7061 	rt2800_rfcsr_write(rt2x00dev, 10, 0xd2);
7062 	rt2800_rfcsr_write(rt2x00dev, 11, 0x42);
7063 	rt2800_rfcsr_write(rt2x00dev, 12, 0x1c);
7064 	rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
7065 	rt2800_rfcsr_write(rt2x00dev, 14, 0x5a);
7066 	rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
7067 	rt2800_rfcsr_write(rt2x00dev, 16, 0x01);
7068 	rt2800_rfcsr_write(rt2x00dev, 18, 0x45);
7069 	rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
7070 	rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
7071 	rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
7072 	rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
7073 	rt2800_rfcsr_write(rt2x00dev, 23, 0x00);
7074 	rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
7075 	rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
7076 	rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
7077 	rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
7078 	rt2800_rfcsr_write(rt2x00dev, 28, 0x03);
7079 	rt2800_rfcsr_write(rt2x00dev, 29, 0x00);
7080 	rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
7081 	rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
7082 	rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
7083 	rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
7084 	rfcsr = 0x01;
7085 	if (tx0_ext_pa)
7086 		rt2x00_set_field8(&rfcsr, RFCSR34_TX0_EXT_PA, 1);
7087 	if (tx1_ext_pa)
7088 		rt2x00_set_field8(&rfcsr, RFCSR34_TX1_EXT_PA, 1);
7089 	rt2800_rfcsr_write(rt2x00dev, 34, rfcsr);
7090 	rt2800_rfcsr_write(rt2x00dev, 35, 0x03);
7091 	rt2800_rfcsr_write(rt2x00dev, 36, 0xbd);
7092 	rt2800_rfcsr_write(rt2x00dev, 37, 0x3c);
7093 	rt2800_rfcsr_write(rt2x00dev, 38, 0x5f);
7094 	rt2800_rfcsr_write(rt2x00dev, 39, 0xc5);
7095 	rt2800_rfcsr_write(rt2x00dev, 40, 0x33);
7096 	rfcsr = 0x52;
7097 	if (!tx0_ext_pa) {
7098 		rt2x00_set_field8(&rfcsr, RFCSR41_BIT1, 1);
7099 		rt2x00_set_field8(&rfcsr, RFCSR41_BIT4, 1);
7100 	}
7101 	rt2800_rfcsr_write(rt2x00dev, 41, rfcsr);
7102 	rfcsr = 0x52;
7103 	if (!tx1_ext_pa) {
7104 		rt2x00_set_field8(&rfcsr, RFCSR42_BIT1, 1);
7105 		rt2x00_set_field8(&rfcsr, RFCSR42_BIT4, 1);
7106 	}
7107 	rt2800_rfcsr_write(rt2x00dev, 42, rfcsr);
7108 	rt2800_rfcsr_write(rt2x00dev, 43, 0xdb);
7109 	rt2800_rfcsr_write(rt2x00dev, 44, 0xdb);
7110 	rt2800_rfcsr_write(rt2x00dev, 45, 0xdb);
7111 	rt2800_rfcsr_write(rt2x00dev, 46, 0xdd);
7112 	rt2800_rfcsr_write(rt2x00dev, 47, 0x0d);
7113 	rt2800_rfcsr_write(rt2x00dev, 48, 0x14);
7114 	rt2800_rfcsr_write(rt2x00dev, 49, 0x00);
7115 	rfcsr = 0x2d;
7116 	if (tx0_ext_pa)
7117 		rt2x00_set_field8(&rfcsr, RFCSR50_TX0_EXT_PA, 1);
7118 	if (tx1_ext_pa)
7119 		rt2x00_set_field8(&rfcsr, RFCSR50_TX1_EXT_PA, 1);
7120 	rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
7121 	rt2800_rfcsr_write(rt2x00dev, 51, (tx0_ext_pa ? 0x52 : 0x7f));
7122 	rt2800_rfcsr_write(rt2x00dev, 52, (tx0_ext_pa ? 0xc0 : 0x00));
7123 	rt2800_rfcsr_write(rt2x00dev, 53, (tx0_ext_pa ? 0xd2 : 0x52));
7124 	rt2800_rfcsr_write(rt2x00dev, 54, (tx0_ext_pa ? 0xc0 : 0x1b));
7125 	rt2800_rfcsr_write(rt2x00dev, 55, (tx1_ext_pa ? 0x52 : 0x7f));
7126 	rt2800_rfcsr_write(rt2x00dev, 56, (tx1_ext_pa ? 0xc0 : 0x00));
7127 	rt2800_rfcsr_write(rt2x00dev, 57, (tx0_ext_pa ? 0x49 : 0x52));
7128 	rt2800_rfcsr_write(rt2x00dev, 58, (tx1_ext_pa ? 0xc0 : 0x1b));
7129 	rt2800_rfcsr_write(rt2x00dev, 59, 0x00);
7130 	rt2800_rfcsr_write(rt2x00dev, 60, 0x00);
7131 	rt2800_rfcsr_write(rt2x00dev, 61, 0x00);
7132 	rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
7133 	rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
7134 
7135 	rt2800_rx_filter_calibration(rt2x00dev);
7136 	rt2800_led_open_drain_enable(rt2x00dev);
7137 	rt2800_normal_mode_setup_3xxx(rt2x00dev);
7138 }
7139 
rt2800_init_rfcsr_3390(struct rt2x00_dev * rt2x00dev)7140 static void rt2800_init_rfcsr_3390(struct rt2x00_dev *rt2x00dev)
7141 {
7142 	u32 reg;
7143 
7144 	rt2800_rf_init_calibration(rt2x00dev, 30);
7145 
7146 	rt2800_rfcsr_write(rt2x00dev, 0, 0xa0);
7147 	rt2800_rfcsr_write(rt2x00dev, 1, 0xe1);
7148 	rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
7149 	rt2800_rfcsr_write(rt2x00dev, 3, 0x62);
7150 	rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
7151 	rt2800_rfcsr_write(rt2x00dev, 5, 0x8b);
7152 	rt2800_rfcsr_write(rt2x00dev, 6, 0x42);
7153 	rt2800_rfcsr_write(rt2x00dev, 7, 0x34);
7154 	rt2800_rfcsr_write(rt2x00dev, 8, 0x00);
7155 	rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
7156 	rt2800_rfcsr_write(rt2x00dev, 10, 0x61);
7157 	rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
7158 	rt2800_rfcsr_write(rt2x00dev, 12, 0x3b);
7159 	rt2800_rfcsr_write(rt2x00dev, 13, 0xe0);
7160 	rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
7161 	rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
7162 	rt2800_rfcsr_write(rt2x00dev, 16, 0xe0);
7163 	rt2800_rfcsr_write(rt2x00dev, 17, 0x94);
7164 	rt2800_rfcsr_write(rt2x00dev, 18, 0x5c);
7165 	rt2800_rfcsr_write(rt2x00dev, 19, 0x4a);
7166 	rt2800_rfcsr_write(rt2x00dev, 20, 0xb2);
7167 	rt2800_rfcsr_write(rt2x00dev, 21, 0xf6);
7168 	rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
7169 	rt2800_rfcsr_write(rt2x00dev, 23, 0x14);
7170 	rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
7171 	rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
7172 	rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
7173 	rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
7174 	rt2800_rfcsr_write(rt2x00dev, 28, 0x41);
7175 	rt2800_rfcsr_write(rt2x00dev, 29, 0x8f);
7176 	rt2800_rfcsr_write(rt2x00dev, 30, 0x20);
7177 	rt2800_rfcsr_write(rt2x00dev, 31, 0x0f);
7178 
7179 	reg = rt2800_register_read(rt2x00dev, GPIO_SWITCH);
7180 	rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
7181 	rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
7182 
7183 	rt2800_rx_filter_calibration(rt2x00dev);
7184 
7185 	if (rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E))
7186 		rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
7187 
7188 	rt2800_led_open_drain_enable(rt2x00dev);
7189 	rt2800_normal_mode_setup_3xxx(rt2x00dev);
7190 }
7191 
rt2800_init_rfcsr_3572(struct rt2x00_dev * rt2x00dev)7192 static void rt2800_init_rfcsr_3572(struct rt2x00_dev *rt2x00dev)
7193 {
7194 	u8 rfcsr;
7195 	u32 reg;
7196 
7197 	rt2800_rf_init_calibration(rt2x00dev, 30);
7198 
7199 	rt2800_rfcsr_write(rt2x00dev, 0, 0x70);
7200 	rt2800_rfcsr_write(rt2x00dev, 1, 0x81);
7201 	rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
7202 	rt2800_rfcsr_write(rt2x00dev, 3, 0x02);
7203 	rt2800_rfcsr_write(rt2x00dev, 4, 0x4c);
7204 	rt2800_rfcsr_write(rt2x00dev, 5, 0x05);
7205 	rt2800_rfcsr_write(rt2x00dev, 6, 0x4a);
7206 	rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
7207 	rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
7208 	rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
7209 	rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
7210 	rt2800_rfcsr_write(rt2x00dev, 12, 0x70);
7211 	rt2800_rfcsr_write(rt2x00dev, 13, 0x65);
7212 	rt2800_rfcsr_write(rt2x00dev, 14, 0xa0);
7213 	rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
7214 	rt2800_rfcsr_write(rt2x00dev, 16, 0x4c);
7215 	rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
7216 	rt2800_rfcsr_write(rt2x00dev, 18, 0xac);
7217 	rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
7218 	rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
7219 	rt2800_rfcsr_write(rt2x00dev, 21, 0xd0);
7220 	rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
7221 	rt2800_rfcsr_write(rt2x00dev, 23, 0x3c);
7222 	rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
7223 	rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
7224 	rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
7225 	rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
7226 	rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
7227 	rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
7228 	rt2800_rfcsr_write(rt2x00dev, 30, 0x09);
7229 	rt2800_rfcsr_write(rt2x00dev, 31, 0x10);
7230 
7231 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 6);
7232 	rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
7233 	rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
7234 
7235 	reg = rt2800_register_read(rt2x00dev, LDO_CFG0);
7236 	rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
7237 	rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
7238 	rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
7239 	msleep(1);
7240 	reg = rt2800_register_read(rt2x00dev, LDO_CFG0);
7241 	rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
7242 	rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
7243 	rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
7244 
7245 	rt2800_rx_filter_calibration(rt2x00dev);
7246 	rt2800_led_open_drain_enable(rt2x00dev);
7247 	rt2800_normal_mode_setup_3xxx(rt2x00dev);
7248 }
7249 
rt3593_post_bbp_init(struct rt2x00_dev * rt2x00dev)7250 static void rt3593_post_bbp_init(struct rt2x00_dev *rt2x00dev)
7251 {
7252 	u8 bbp;
7253 	bool txbf_enabled = false; /* FIXME */
7254 
7255 	bbp = rt2800_bbp_read(rt2x00dev, 105);
7256 	if (rt2x00dev->default_ant.rx_chain_num == 1)
7257 		rt2x00_set_field8(&bbp, BBP105_MLD, 0);
7258 	else
7259 		rt2x00_set_field8(&bbp, BBP105_MLD, 1);
7260 	rt2800_bbp_write(rt2x00dev, 105, bbp);
7261 
7262 	rt2800_bbp4_mac_if_ctrl(rt2x00dev);
7263 
7264 	rt2800_bbp_write(rt2x00dev, 92, 0x02);
7265 	rt2800_bbp_write(rt2x00dev, 82, 0x82);
7266 	rt2800_bbp_write(rt2x00dev, 106, 0x05);
7267 	rt2800_bbp_write(rt2x00dev, 104, 0x92);
7268 	rt2800_bbp_write(rt2x00dev, 88, 0x90);
7269 	rt2800_bbp_write(rt2x00dev, 148, 0xc8);
7270 	rt2800_bbp_write(rt2x00dev, 47, 0x48);
7271 	rt2800_bbp_write(rt2x00dev, 120, 0x50);
7272 
7273 	if (txbf_enabled)
7274 		rt2800_bbp_write(rt2x00dev, 163, 0xbd);
7275 	else
7276 		rt2800_bbp_write(rt2x00dev, 163, 0x9d);
7277 
7278 	/* SNR mapping */
7279 	rt2800_bbp_write(rt2x00dev, 142, 6);
7280 	rt2800_bbp_write(rt2x00dev, 143, 160);
7281 	rt2800_bbp_write(rt2x00dev, 142, 7);
7282 	rt2800_bbp_write(rt2x00dev, 143, 161);
7283 	rt2800_bbp_write(rt2x00dev, 142, 8);
7284 	rt2800_bbp_write(rt2x00dev, 143, 162);
7285 
7286 	/* ADC/DAC control */
7287 	rt2800_bbp_write(rt2x00dev, 31, 0x08);
7288 
7289 	/* RX AGC energy lower bound in log2 */
7290 	rt2800_bbp_write(rt2x00dev, 68, 0x0b);
7291 
7292 	/* FIXME: BBP 105 owerwrite? */
7293 	rt2800_bbp_write(rt2x00dev, 105, 0x04);
7294 
7295 }
7296 
rt2800_init_rfcsr_3593(struct rt2x00_dev * rt2x00dev)7297 static void rt2800_init_rfcsr_3593(struct rt2x00_dev *rt2x00dev)
7298 {
7299 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
7300 	u32 reg;
7301 	u8 rfcsr;
7302 
7303 	/* Disable GPIO #4 and #7 function for LAN PE control */
7304 	reg = rt2800_register_read(rt2x00dev, GPIO_SWITCH);
7305 	rt2x00_set_field32(&reg, GPIO_SWITCH_4, 0);
7306 	rt2x00_set_field32(&reg, GPIO_SWITCH_7, 0);
7307 	rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
7308 
7309 	/* Initialize default register values */
7310 	rt2800_rfcsr_write(rt2x00dev, 1, 0x03);
7311 	rt2800_rfcsr_write(rt2x00dev, 3, 0x80);
7312 	rt2800_rfcsr_write(rt2x00dev, 5, 0x00);
7313 	rt2800_rfcsr_write(rt2x00dev, 6, 0x40);
7314 	rt2800_rfcsr_write(rt2x00dev, 8, 0xf1);
7315 	rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
7316 	rt2800_rfcsr_write(rt2x00dev, 10, 0xd3);
7317 	rt2800_rfcsr_write(rt2x00dev, 11, 0x40);
7318 	rt2800_rfcsr_write(rt2x00dev, 12, 0x4e);
7319 	rt2800_rfcsr_write(rt2x00dev, 13, 0x12);
7320 	rt2800_rfcsr_write(rt2x00dev, 18, 0x40);
7321 	rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
7322 	rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
7323 	rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
7324 	rt2800_rfcsr_write(rt2x00dev, 32, 0x78);
7325 	rt2800_rfcsr_write(rt2x00dev, 33, 0x3b);
7326 	rt2800_rfcsr_write(rt2x00dev, 34, 0x3c);
7327 	rt2800_rfcsr_write(rt2x00dev, 35, 0xe0);
7328 	rt2800_rfcsr_write(rt2x00dev, 38, 0x86);
7329 	rt2800_rfcsr_write(rt2x00dev, 39, 0x23);
7330 	rt2800_rfcsr_write(rt2x00dev, 44, 0xd3);
7331 	rt2800_rfcsr_write(rt2x00dev, 45, 0xbb);
7332 	rt2800_rfcsr_write(rt2x00dev, 46, 0x60);
7333 	rt2800_rfcsr_write(rt2x00dev, 49, 0x8e);
7334 	rt2800_rfcsr_write(rt2x00dev, 50, 0x86);
7335 	rt2800_rfcsr_write(rt2x00dev, 51, 0x75);
7336 	rt2800_rfcsr_write(rt2x00dev, 52, 0x45);
7337 	rt2800_rfcsr_write(rt2x00dev, 53, 0x18);
7338 	rt2800_rfcsr_write(rt2x00dev, 54, 0x18);
7339 	rt2800_rfcsr_write(rt2x00dev, 55, 0x18);
7340 	rt2800_rfcsr_write(rt2x00dev, 56, 0xdb);
7341 	rt2800_rfcsr_write(rt2x00dev, 57, 0x6e);
7342 
7343 	/* Initiate calibration */
7344 	/* TODO: use rt2800_rf_init_calibration ? */
7345 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 2);
7346 	rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 1);
7347 	rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
7348 
7349 	rt2800_freq_cal_mode1(rt2x00dev);
7350 
7351 	rfcsr = rt2800_rfcsr_read(rt2x00dev, 18);
7352 	rt2x00_set_field8(&rfcsr, RFCSR18_XO_TUNE_BYPASS, 1);
7353 	rt2800_rfcsr_write(rt2x00dev, 18, rfcsr);
7354 
7355 	reg = rt2800_register_read(rt2x00dev, LDO_CFG0);
7356 	rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
7357 	rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
7358 	rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
7359 	usleep_range(1000, 1500);
7360 	reg = rt2800_register_read(rt2x00dev, LDO_CFG0);
7361 	rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
7362 	rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
7363 
7364 	/* Set initial values for RX filter calibration */
7365 	drv_data->calibration_bw20 = 0x1f;
7366 	drv_data->calibration_bw40 = 0x2f;
7367 
7368 	/* Save BBP 25 & 26 values for later use in channel switching */
7369 	drv_data->bbp25 = rt2800_bbp_read(rt2x00dev, 25);
7370 	drv_data->bbp26 = rt2800_bbp_read(rt2x00dev, 26);
7371 
7372 	rt2800_led_open_drain_enable(rt2x00dev);
7373 	rt2800_normal_mode_setup_3593(rt2x00dev);
7374 
7375 	rt3593_post_bbp_init(rt2x00dev);
7376 
7377 	/* TODO: enable stream mode support */
7378 }
7379 
rt2800_init_rfcsr_5350(struct rt2x00_dev * rt2x00dev)7380 static void rt2800_init_rfcsr_5350(struct rt2x00_dev *rt2x00dev)
7381 {
7382 	rt2800_rfcsr_write(rt2x00dev, 0, 0xf0);
7383 	rt2800_rfcsr_write(rt2x00dev, 1, 0x23);
7384 	rt2800_rfcsr_write(rt2x00dev, 2, 0x50);
7385 	rt2800_rfcsr_write(rt2x00dev, 3, 0x08);
7386 	rt2800_rfcsr_write(rt2x00dev, 4, 0x49);
7387 	rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
7388 	rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
7389 	rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
7390 	rt2800_rfcsr_write(rt2x00dev, 8, 0xf1);
7391 	rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
7392 	rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
7393 	rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
7394 	rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
7395 	if (rt2800_clk_is_20mhz(rt2x00dev))
7396 		rt2800_rfcsr_write(rt2x00dev, 13, 0x1f);
7397 	else
7398 		rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
7399 	rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
7400 	rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
7401 	rt2800_rfcsr_write(rt2x00dev, 16, 0xc0);
7402 	rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
7403 	rt2800_rfcsr_write(rt2x00dev, 19, 0x00);
7404 	rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
7405 	rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
7406 	rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
7407 	rt2800_rfcsr_write(rt2x00dev, 23, 0x00);
7408 	rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
7409 	rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
7410 	rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
7411 	rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
7412 	rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
7413 	rt2800_rfcsr_write(rt2x00dev, 29, 0xd0);
7414 	rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
7415 	rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
7416 	rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
7417 	rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
7418 	rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
7419 	rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
7420 	rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
7421 	rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
7422 	rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
7423 	rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
7424 	rt2800_rfcsr_write(rt2x00dev, 40, 0x0b);
7425 	rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
7426 	rt2800_rfcsr_write(rt2x00dev, 42, 0xd5);
7427 	rt2800_rfcsr_write(rt2x00dev, 43, 0x9b);
7428 	rt2800_rfcsr_write(rt2x00dev, 44, 0x0c);
7429 	rt2800_rfcsr_write(rt2x00dev, 45, 0xa6);
7430 	rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
7431 	rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
7432 	rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
7433 	rt2800_rfcsr_write(rt2x00dev, 49, 0x80);
7434 	rt2800_rfcsr_write(rt2x00dev, 50, 0x00);
7435 	rt2800_rfcsr_write(rt2x00dev, 51, 0x00);
7436 	rt2800_rfcsr_write(rt2x00dev, 52, 0x38);
7437 	rt2800_rfcsr_write(rt2x00dev, 53, 0x00);
7438 	rt2800_rfcsr_write(rt2x00dev, 54, 0x38);
7439 	rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
7440 	rt2800_rfcsr_write(rt2x00dev, 56, 0x82);
7441 	rt2800_rfcsr_write(rt2x00dev, 57, 0x00);
7442 	rt2800_rfcsr_write(rt2x00dev, 58, 0x39);
7443 	rt2800_rfcsr_write(rt2x00dev, 59, 0x0b);
7444 	rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
7445 	rt2800_rfcsr_write(rt2x00dev, 61, 0xd1);
7446 	rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
7447 	rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
7448 }
7449 
rt2800_init_rfcsr_5390(struct rt2x00_dev * rt2x00dev)7450 static void rt2800_init_rfcsr_5390(struct rt2x00_dev *rt2x00dev)
7451 {
7452 	rt2800_rf_init_calibration(rt2x00dev, 2);
7453 
7454 	rt2800_rfcsr_write(rt2x00dev, 1, 0x0f);
7455 	rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
7456 	rt2800_rfcsr_write(rt2x00dev, 3, 0x88);
7457 	rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
7458 	if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
7459 		rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
7460 	else
7461 		rt2800_rfcsr_write(rt2x00dev, 6, 0xa0);
7462 	rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
7463 	rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
7464 	rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
7465 	rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
7466 	rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
7467 	rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
7468 	rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
7469 	rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
7470 	rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
7471 	rt2800_rfcsr_write(rt2x00dev, 19, 0x00);
7472 
7473 	rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
7474 	rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
7475 	rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
7476 	rt2800_rfcsr_write(rt2x00dev, 23, 0x00);
7477 	rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
7478 	if (rt2x00_is_usb(rt2x00dev) &&
7479 	    rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
7480 		rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
7481 	else
7482 		rt2800_rfcsr_write(rt2x00dev, 25, 0xc0);
7483 	rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
7484 	rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
7485 	rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
7486 	rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
7487 
7488 	rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
7489 	rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
7490 	rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
7491 	rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
7492 	rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
7493 	rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
7494 	rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
7495 	rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
7496 	rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
7497 	rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
7498 
7499 	rt2800_rfcsr_write(rt2x00dev, 40, 0x0b);
7500 	rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
7501 	rt2800_rfcsr_write(rt2x00dev, 42, 0xd2);
7502 	rt2800_rfcsr_write(rt2x00dev, 43, 0x9a);
7503 	rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
7504 	rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
7505 	if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
7506 		rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
7507 	else
7508 		rt2800_rfcsr_write(rt2x00dev, 46, 0x7b);
7509 	rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
7510 	rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
7511 	rt2800_rfcsr_write(rt2x00dev, 49, 0x94);
7512 
7513 	rt2800_rfcsr_write(rt2x00dev, 52, 0x38);
7514 	if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
7515 		rt2800_rfcsr_write(rt2x00dev, 53, 0x00);
7516 	else
7517 		rt2800_rfcsr_write(rt2x00dev, 53, 0x84);
7518 	rt2800_rfcsr_write(rt2x00dev, 54, 0x78);
7519 	rt2800_rfcsr_write(rt2x00dev, 55, 0x44);
7520 	if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
7521 		rt2800_rfcsr_write(rt2x00dev, 56, 0x42);
7522 	else
7523 		rt2800_rfcsr_write(rt2x00dev, 56, 0x22);
7524 	rt2800_rfcsr_write(rt2x00dev, 57, 0x80);
7525 	rt2800_rfcsr_write(rt2x00dev, 58, 0x7f);
7526 	rt2800_rfcsr_write(rt2x00dev, 59, 0x8f);
7527 
7528 	rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
7529 	if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
7530 		if (rt2x00_is_usb(rt2x00dev))
7531 			rt2800_rfcsr_write(rt2x00dev, 61, 0xd1);
7532 		else
7533 			rt2800_rfcsr_write(rt2x00dev, 61, 0xd5);
7534 	} else {
7535 		if (rt2x00_is_usb(rt2x00dev))
7536 			rt2800_rfcsr_write(rt2x00dev, 61, 0xdd);
7537 		else
7538 			rt2800_rfcsr_write(rt2x00dev, 61, 0xb5);
7539 	}
7540 	rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
7541 	rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
7542 
7543 	rt2800_normal_mode_setup_5xxx(rt2x00dev);
7544 
7545 	rt2800_led_open_drain_enable(rt2x00dev);
7546 }
7547 
rt2800_init_rfcsr_5392(struct rt2x00_dev * rt2x00dev)7548 static void rt2800_init_rfcsr_5392(struct rt2x00_dev *rt2x00dev)
7549 {
7550 	rt2800_rf_init_calibration(rt2x00dev, 2);
7551 
7552 	rt2800_rfcsr_write(rt2x00dev, 1, 0x17);
7553 	rt2800_rfcsr_write(rt2x00dev, 3, 0x88);
7554 	rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
7555 	rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
7556 	rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
7557 	rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
7558 	rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
7559 	rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
7560 	rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
7561 	rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
7562 	rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
7563 	rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
7564 	rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
7565 	rt2800_rfcsr_write(rt2x00dev, 19, 0x4d);
7566 	rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
7567 	rt2800_rfcsr_write(rt2x00dev, 21, 0x8d);
7568 	rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
7569 	rt2800_rfcsr_write(rt2x00dev, 23, 0x0b);
7570 	rt2800_rfcsr_write(rt2x00dev, 24, 0x44);
7571 	rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
7572 	rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
7573 	rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
7574 	rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
7575 	rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
7576 	rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
7577 	rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
7578 	rt2800_rfcsr_write(rt2x00dev, 32, 0x20);
7579 	rt2800_rfcsr_write(rt2x00dev, 33, 0xC0);
7580 	rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
7581 	rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
7582 	rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
7583 	rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
7584 	rt2800_rfcsr_write(rt2x00dev, 38, 0x89);
7585 	rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
7586 	rt2800_rfcsr_write(rt2x00dev, 40, 0x0f);
7587 	rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
7588 	rt2800_rfcsr_write(rt2x00dev, 42, 0xd5);
7589 	rt2800_rfcsr_write(rt2x00dev, 43, 0x9b);
7590 	rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
7591 	rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
7592 	rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
7593 	rt2800_rfcsr_write(rt2x00dev, 47, 0x0c);
7594 	rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
7595 	rt2800_rfcsr_write(rt2x00dev, 49, 0x94);
7596 	rt2800_rfcsr_write(rt2x00dev, 50, 0x94);
7597 	rt2800_rfcsr_write(rt2x00dev, 51, 0x3a);
7598 	rt2800_rfcsr_write(rt2x00dev, 52, 0x48);
7599 	rt2800_rfcsr_write(rt2x00dev, 53, 0x44);
7600 	rt2800_rfcsr_write(rt2x00dev, 54, 0x38);
7601 	rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
7602 	rt2800_rfcsr_write(rt2x00dev, 56, 0xa1);
7603 	rt2800_rfcsr_write(rt2x00dev, 57, 0x00);
7604 	rt2800_rfcsr_write(rt2x00dev, 58, 0x39);
7605 	rt2800_rfcsr_write(rt2x00dev, 59, 0x07);
7606 	rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
7607 	rt2800_rfcsr_write(rt2x00dev, 61, 0x91);
7608 	rt2800_rfcsr_write(rt2x00dev, 62, 0x39);
7609 	rt2800_rfcsr_write(rt2x00dev, 63, 0x07);
7610 
7611 	rt2800_normal_mode_setup_5xxx(rt2x00dev);
7612 
7613 	rt2800_led_open_drain_enable(rt2x00dev);
7614 }
7615 
rt2800_init_rfcsr_5592(struct rt2x00_dev * rt2x00dev)7616 static void rt2800_init_rfcsr_5592(struct rt2x00_dev *rt2x00dev)
7617 {
7618 	rt2800_rf_init_calibration(rt2x00dev, 30);
7619 
7620 	rt2800_rfcsr_write(rt2x00dev, 1, 0x3F);
7621 	rt2800_rfcsr_write(rt2x00dev, 3, 0x08);
7622 	rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
7623 	rt2800_rfcsr_write(rt2x00dev, 6, 0xE4);
7624 	rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
7625 	rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
7626 	rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
7627 	rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
7628 	rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
7629 	rt2800_rfcsr_write(rt2x00dev, 19, 0x4D);
7630 	rt2800_rfcsr_write(rt2x00dev, 20, 0x10);
7631 	rt2800_rfcsr_write(rt2x00dev, 21, 0x8D);
7632 	rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
7633 	rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
7634 	rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
7635 	rt2800_rfcsr_write(rt2x00dev, 33, 0xC0);
7636 	rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
7637 	rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
7638 	rt2800_rfcsr_write(rt2x00dev, 47, 0x0C);
7639 	rt2800_rfcsr_write(rt2x00dev, 53, 0x22);
7640 	rt2800_rfcsr_write(rt2x00dev, 63, 0x07);
7641 
7642 	rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
7643 	msleep(1);
7644 
7645 	rt2800_freq_cal_mode1(rt2x00dev);
7646 
7647 	/* Enable DC filter */
7648 	if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C))
7649 		rt2800_bbp_write(rt2x00dev, 103, 0xc0);
7650 
7651 	rt2800_normal_mode_setup_5xxx(rt2x00dev);
7652 
7653 	if (rt2x00_rt_rev_lt(rt2x00dev, RT5592, REV_RT5592C))
7654 		rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
7655 
7656 	rt2800_led_open_drain_enable(rt2x00dev);
7657 }
7658 
rt2800_bbp_core_soft_reset(struct rt2x00_dev * rt2x00dev,bool set_bw,bool is_ht40)7659 static void rt2800_bbp_core_soft_reset(struct rt2x00_dev *rt2x00dev,
7660 				       bool set_bw, bool is_ht40)
7661 {
7662 	u8 bbp_val;
7663 
7664 	bbp_val = rt2800_bbp_read(rt2x00dev, 21);
7665 	bbp_val |= 0x1;
7666 	rt2800_bbp_write(rt2x00dev, 21, bbp_val);
7667 	usleep_range(100, 200);
7668 
7669 	if (set_bw) {
7670 		bbp_val = rt2800_bbp_read(rt2x00dev, 4);
7671 		rt2x00_set_field8(&bbp_val, BBP4_BANDWIDTH, 2 * is_ht40);
7672 		rt2800_bbp_write(rt2x00dev, 4, bbp_val);
7673 		usleep_range(100, 200);
7674 	}
7675 
7676 	bbp_val = rt2800_bbp_read(rt2x00dev, 21);
7677 	bbp_val &= (~0x1);
7678 	rt2800_bbp_write(rt2x00dev, 21, bbp_val);
7679 	usleep_range(100, 200);
7680 }
7681 
rt2800_rf_lp_config(struct rt2x00_dev * rt2x00dev,bool btxcal)7682 static int rt2800_rf_lp_config(struct rt2x00_dev *rt2x00dev, bool btxcal)
7683 {
7684 	u8 rf_val;
7685 
7686 	if (btxcal)
7687 		rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x04);
7688 	else
7689 		rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x02);
7690 
7691 	rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x06);
7692 
7693 	rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17);
7694 	rf_val |= 0x80;
7695 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, rf_val);
7696 
7697 	if (btxcal) {
7698 		rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, 0xC1);
7699 		rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, 0x20);
7700 		rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, 0x02);
7701 		rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 3);
7702 		rf_val &= (~0x3F);
7703 		rf_val |= 0x3F;
7704 		rt2800_rfcsr_write_bank(rt2x00dev, 5, 3, rf_val);
7705 		rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4);
7706 		rf_val &= (~0x3F);
7707 		rf_val |= 0x3F;
7708 		rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, rf_val);
7709 		rt2800_rfcsr_write_bank(rt2x00dev, 5, 5, 0x31);
7710 	} else {
7711 		rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, 0xF1);
7712 		rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, 0x18);
7713 		rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, 0x02);
7714 		rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 3);
7715 		rf_val &= (~0x3F);
7716 		rf_val |= 0x34;
7717 		rt2800_rfcsr_write_bank(rt2x00dev, 5, 3, rf_val);
7718 		rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4);
7719 		rf_val &= (~0x3F);
7720 		rf_val |= 0x34;
7721 		rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, rf_val);
7722 	}
7723 
7724 	return 0;
7725 }
7726 
rt2800_lp_tx_filter_bw_cal(struct rt2x00_dev * rt2x00dev)7727 static char rt2800_lp_tx_filter_bw_cal(struct rt2x00_dev *rt2x00dev)
7728 {
7729 	unsigned int cnt;
7730 	u8 bbp_val;
7731 	char cal_val;
7732 
7733 	rt2800_bbp_dcoc_write(rt2x00dev, 0, 0x82);
7734 
7735 	cnt = 0;
7736 	do {
7737 		usleep_range(500, 2000);
7738 		bbp_val = rt2800_bbp_read(rt2x00dev, 159);
7739 		if (bbp_val == 0x02 || cnt == 20)
7740 			break;
7741 
7742 		cnt++;
7743 	} while (cnt < 20);
7744 
7745 	bbp_val = rt2800_bbp_dcoc_read(rt2x00dev, 0x39);
7746 	cal_val = bbp_val & 0x7F;
7747 	if (cal_val >= 0x40)
7748 		cal_val -= 128;
7749 
7750 	return cal_val;
7751 }
7752 
rt2800_bw_filter_calibration(struct rt2x00_dev * rt2x00dev,bool btxcal)7753 static void rt2800_bw_filter_calibration(struct rt2x00_dev *rt2x00dev,
7754 					 bool btxcal)
7755 {
7756 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
7757 	u8 tx_agc_fc = 0, rx_agc_fc = 0, cmm_agc_fc;
7758 	u8 filter_target;
7759 	u8 tx_filter_target_20m = 0x09, tx_filter_target_40m = 0x02;
7760 	u8 rx_filter_target_20m = 0x27, rx_filter_target_40m = 0x31;
7761 	int loop = 0, is_ht40, cnt;
7762 	u8 bbp_val, rf_val;
7763 	char cal_r32_init, cal_r32_val, cal_diff;
7764 	u8 saverfb5r00, saverfb5r01, saverfb5r03, saverfb5r04, saverfb5r05;
7765 	u8 saverfb5r06, saverfb5r07;
7766 	u8 saverfb5r08, saverfb5r17, saverfb5r18, saverfb5r19, saverfb5r20;
7767 	u8 saverfb5r37, saverfb5r38, saverfb5r39, saverfb5r40, saverfb5r41;
7768 	u8 saverfb5r42, saverfb5r43, saverfb5r44, saverfb5r45, saverfb5r46;
7769 	u8 saverfb5r58, saverfb5r59;
7770 	u8 savebbp159r0, savebbp159r2, savebbpr23;
7771 	u32 MAC_RF_CONTROL0, MAC_RF_BYPASS0;
7772 
7773 	/* Save MAC registers */
7774 	MAC_RF_CONTROL0 = rt2800_register_read(rt2x00dev, RF_CONTROL0);
7775 	MAC_RF_BYPASS0 = rt2800_register_read(rt2x00dev, RF_BYPASS0);
7776 
7777 	/* save BBP registers */
7778 	savebbpr23 = rt2800_bbp_read(rt2x00dev, 23);
7779 
7780 	savebbp159r0 = rt2800_bbp_dcoc_read(rt2x00dev, 0);
7781 	savebbp159r2 = rt2800_bbp_dcoc_read(rt2x00dev, 2);
7782 
7783 	/* Save RF registers */
7784 	saverfb5r00 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 0);
7785 	saverfb5r01 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1);
7786 	saverfb5r03 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 3);
7787 	saverfb5r04 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4);
7788 	saverfb5r05 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 5);
7789 	saverfb5r06 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 6);
7790 	saverfb5r07 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 7);
7791 	saverfb5r08 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 8);
7792 	saverfb5r17 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17);
7793 	saverfb5r18 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 18);
7794 	saverfb5r19 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 19);
7795 	saverfb5r20 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 20);
7796 
7797 	saverfb5r37 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 37);
7798 	saverfb5r38 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 38);
7799 	saverfb5r39 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 39);
7800 	saverfb5r40 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 40);
7801 	saverfb5r41 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 41);
7802 	saverfb5r42 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 42);
7803 	saverfb5r43 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 43);
7804 	saverfb5r44 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 44);
7805 	saverfb5r45 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 45);
7806 	saverfb5r46 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 46);
7807 
7808 	saverfb5r58 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 58);
7809 	saverfb5r59 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 59);
7810 
7811 	rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 0);
7812 	rf_val |= 0x3;
7813 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 0, rf_val);
7814 
7815 	rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1);
7816 	rf_val |= 0x1;
7817 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 1, rf_val);
7818 
7819 	cnt = 0;
7820 	do {
7821 		usleep_range(500, 2000);
7822 		rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1);
7823 		if (((rf_val & 0x1) == 0x00) || (cnt == 40))
7824 			break;
7825 		cnt++;
7826 	} while (cnt < 40);
7827 
7828 	rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 0);
7829 	rf_val &= (~0x3);
7830 	rf_val |= 0x1;
7831 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 0, rf_val);
7832 
7833 	/* I-3 */
7834 	bbp_val = rt2800_bbp_read(rt2x00dev, 23);
7835 	bbp_val &= (~0x1F);
7836 	bbp_val |= 0x10;
7837 	rt2800_bbp_write(rt2x00dev, 23, bbp_val);
7838 
7839 	do {
7840 		/* I-4,5,6,7,8,9 */
7841 		if (loop == 0) {
7842 			is_ht40 = false;
7843 
7844 			if (btxcal)
7845 				filter_target = tx_filter_target_20m;
7846 			else
7847 				filter_target = rx_filter_target_20m;
7848 		} else {
7849 			is_ht40 = true;
7850 
7851 			if (btxcal)
7852 				filter_target = tx_filter_target_40m;
7853 			else
7854 				filter_target = rx_filter_target_40m;
7855 		}
7856 
7857 		rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 8);
7858 		rf_val &= (~0x04);
7859 		if (loop == 1)
7860 			rf_val |= 0x4;
7861 
7862 		rt2800_rfcsr_write_bank(rt2x00dev, 5, 8, rf_val);
7863 
7864 		rt2800_bbp_core_soft_reset(rt2x00dev, true, is_ht40);
7865 
7866 		rt2800_rf_lp_config(rt2x00dev, btxcal);
7867 		if (btxcal) {
7868 			tx_agc_fc = 0;
7869 			rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 58);
7870 			rf_val &= (~0x7F);
7871 			rt2800_rfcsr_write_bank(rt2x00dev, 5, 58, rf_val);
7872 			rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 59);
7873 			rf_val &= (~0x7F);
7874 			rt2800_rfcsr_write_bank(rt2x00dev, 5, 59, rf_val);
7875 		} else {
7876 			rx_agc_fc = 0;
7877 			rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 6);
7878 			rf_val &= (~0x7F);
7879 			rt2800_rfcsr_write_bank(rt2x00dev, 5, 6, rf_val);
7880 			rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 7);
7881 			rf_val &= (~0x7F);
7882 			rt2800_rfcsr_write_bank(rt2x00dev, 5, 7, rf_val);
7883 		}
7884 
7885 		usleep_range(1000, 2000);
7886 
7887 		bbp_val = rt2800_bbp_dcoc_read(rt2x00dev, 2);
7888 		bbp_val &= (~0x6);
7889 		rt2800_bbp_dcoc_write(rt2x00dev, 2, bbp_val);
7890 
7891 		rt2800_bbp_core_soft_reset(rt2x00dev, false, is_ht40);
7892 
7893 		cal_r32_init = rt2800_lp_tx_filter_bw_cal(rt2x00dev);
7894 
7895 		bbp_val = rt2800_bbp_dcoc_read(rt2x00dev, 2);
7896 		bbp_val |= 0x6;
7897 		rt2800_bbp_dcoc_write(rt2x00dev, 2, bbp_val);
7898 do_cal:
7899 		if (btxcal) {
7900 			rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 58);
7901 			rf_val &= (~0x7F);
7902 			rf_val |= tx_agc_fc;
7903 			rt2800_rfcsr_write_bank(rt2x00dev, 5, 58, rf_val);
7904 			rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 59);
7905 			rf_val &= (~0x7F);
7906 			rf_val |= tx_agc_fc;
7907 			rt2800_rfcsr_write_bank(rt2x00dev, 5, 59, rf_val);
7908 		} else {
7909 			rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 6);
7910 			rf_val &= (~0x7F);
7911 			rf_val |= rx_agc_fc;
7912 			rt2800_rfcsr_write_bank(rt2x00dev, 5, 6, rf_val);
7913 			rf_val = rt2800_rfcsr_read_bank(rt2x00dev, 5, 7);
7914 			rf_val &= (~0x7F);
7915 			rf_val |= rx_agc_fc;
7916 			rt2800_rfcsr_write_bank(rt2x00dev, 5, 7, rf_val);
7917 		}
7918 
7919 		usleep_range(500, 1000);
7920 
7921 		rt2800_bbp_core_soft_reset(rt2x00dev, false, is_ht40);
7922 
7923 		cal_r32_val = rt2800_lp_tx_filter_bw_cal(rt2x00dev);
7924 
7925 		cal_diff = cal_r32_init - cal_r32_val;
7926 
7927 		if (btxcal)
7928 			cmm_agc_fc = tx_agc_fc;
7929 		else
7930 			cmm_agc_fc = rx_agc_fc;
7931 
7932 		if (((cal_diff > filter_target) && (cmm_agc_fc == 0)) ||
7933 		    ((cal_diff < filter_target) && (cmm_agc_fc == 0x3f))) {
7934 			if (btxcal)
7935 				tx_agc_fc = 0;
7936 			else
7937 				rx_agc_fc = 0;
7938 		} else if ((cal_diff <= filter_target) && (cmm_agc_fc < 0x3f)) {
7939 			if (btxcal)
7940 				tx_agc_fc++;
7941 			else
7942 				rx_agc_fc++;
7943 			goto do_cal;
7944 		}
7945 
7946 		if (btxcal) {
7947 			if (loop == 0)
7948 				drv_data->tx_calibration_bw20 = tx_agc_fc;
7949 			else
7950 				drv_data->tx_calibration_bw40 = tx_agc_fc;
7951 		} else {
7952 			if (loop == 0)
7953 				drv_data->rx_calibration_bw20 = rx_agc_fc;
7954 			else
7955 				drv_data->rx_calibration_bw40 = rx_agc_fc;
7956 		}
7957 
7958 		loop++;
7959 	} while (loop <= 1);
7960 
7961 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 0, saverfb5r00);
7962 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 1, saverfb5r01);
7963 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 3, saverfb5r03);
7964 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, saverfb5r04);
7965 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 5, saverfb5r05);
7966 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 6, saverfb5r06);
7967 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 7, saverfb5r07);
7968 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 8, saverfb5r08);
7969 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, saverfb5r17);
7970 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, saverfb5r18);
7971 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, saverfb5r19);
7972 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, saverfb5r20);
7973 
7974 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 37, saverfb5r37);
7975 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 38, saverfb5r38);
7976 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 39, saverfb5r39);
7977 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 40, saverfb5r40);
7978 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 41, saverfb5r41);
7979 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 42, saverfb5r42);
7980 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 43, saverfb5r43);
7981 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 44, saverfb5r44);
7982 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 45, saverfb5r45);
7983 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 46, saverfb5r46);
7984 
7985 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 58, saverfb5r58);
7986 	rt2800_rfcsr_write_bank(rt2x00dev, 5, 59, saverfb5r59);
7987 
7988 	rt2800_bbp_write(rt2x00dev, 23, savebbpr23);
7989 
7990 	rt2800_bbp_dcoc_write(rt2x00dev, 0, savebbp159r0);
7991 	rt2800_bbp_dcoc_write(rt2x00dev, 2, savebbp159r2);
7992 
7993 	bbp_val = rt2800_bbp_read(rt2x00dev, 4);
7994 	rt2x00_set_field8(&bbp_val, BBP4_BANDWIDTH,
7995 			  2 * test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags));
7996 	rt2800_bbp_write(rt2x00dev, 4, bbp_val);
7997 
7998 	rt2800_register_write(rt2x00dev, RF_CONTROL0, MAC_RF_CONTROL0);
7999 	rt2800_register_write(rt2x00dev, RF_BYPASS0, MAC_RF_BYPASS0);
8000 }
8001 
rt2800_init_rfcsr_6352(struct rt2x00_dev * rt2x00dev)8002 static void rt2800_init_rfcsr_6352(struct rt2x00_dev *rt2x00dev)
8003 {
8004 	/* Initialize RF central register to default value */
8005 	rt2800_rfcsr_write(rt2x00dev, 0, 0x02);
8006 	rt2800_rfcsr_write(rt2x00dev, 1, 0x03);
8007 	rt2800_rfcsr_write(rt2x00dev, 2, 0x33);
8008 	rt2800_rfcsr_write(rt2x00dev, 3, 0xFF);
8009 	rt2800_rfcsr_write(rt2x00dev, 4, 0x0C);
8010 	rt2800_rfcsr_write(rt2x00dev, 5, 0x40);
8011 	rt2800_rfcsr_write(rt2x00dev, 6, 0x00);
8012 	rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
8013 	rt2800_rfcsr_write(rt2x00dev, 8, 0x00);
8014 	rt2800_rfcsr_write(rt2x00dev, 9, 0x00);
8015 	rt2800_rfcsr_write(rt2x00dev, 10, 0x00);
8016 	rt2800_rfcsr_write(rt2x00dev, 11, 0x00);
8017 	rt2800_rfcsr_write(rt2x00dev, 12, rt2x00dev->freq_offset);
8018 	rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
8019 	rt2800_rfcsr_write(rt2x00dev, 14, 0x40);
8020 	rt2800_rfcsr_write(rt2x00dev, 15, 0x22);
8021 	rt2800_rfcsr_write(rt2x00dev, 16, 0x4C);
8022 	rt2800_rfcsr_write(rt2x00dev, 17, 0x00);
8023 	rt2800_rfcsr_write(rt2x00dev, 18, 0x00);
8024 	rt2800_rfcsr_write(rt2x00dev, 19, 0x00);
8025 	rt2800_rfcsr_write(rt2x00dev, 20, 0xA0);
8026 	rt2800_rfcsr_write(rt2x00dev, 21, 0x12);
8027 	rt2800_rfcsr_write(rt2x00dev, 22, 0x07);
8028 	rt2800_rfcsr_write(rt2x00dev, 23, 0x13);
8029 	rt2800_rfcsr_write(rt2x00dev, 24, 0xFE);
8030 	rt2800_rfcsr_write(rt2x00dev, 25, 0x24);
8031 	rt2800_rfcsr_write(rt2x00dev, 26, 0x7A);
8032 	rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
8033 	rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
8034 	rt2800_rfcsr_write(rt2x00dev, 29, 0x05);
8035 	rt2800_rfcsr_write(rt2x00dev, 30, 0x00);
8036 	rt2800_rfcsr_write(rt2x00dev, 31, 0x00);
8037 	rt2800_rfcsr_write(rt2x00dev, 32, 0x00);
8038 	rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
8039 	rt2800_rfcsr_write(rt2x00dev, 34, 0x00);
8040 	rt2800_rfcsr_write(rt2x00dev, 35, 0x00);
8041 	rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
8042 	rt2800_rfcsr_write(rt2x00dev, 37, 0x00);
8043 	rt2800_rfcsr_write(rt2x00dev, 38, 0x00);
8044 	rt2800_rfcsr_write(rt2x00dev, 39, 0x00);
8045 	rt2800_rfcsr_write(rt2x00dev, 40, 0x00);
8046 	rt2800_rfcsr_write(rt2x00dev, 41, 0xD0);
8047 	rt2800_rfcsr_write(rt2x00dev, 42, 0x5B);
8048 	rt2800_rfcsr_write(rt2x00dev, 43, 0x00);
8049 
8050 	rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
8051 	if (rt2800_clk_is_20mhz(rt2x00dev))
8052 		rt2800_rfcsr_write(rt2x00dev, 13, 0x03);
8053 	else
8054 		rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
8055 	rt2800_rfcsr_write(rt2x00dev, 14, 0x7C);
8056 	rt2800_rfcsr_write(rt2x00dev, 16, 0x80);
8057 	rt2800_rfcsr_write(rt2x00dev, 17, 0x99);
8058 	rt2800_rfcsr_write(rt2x00dev, 18, 0x99);
8059 	rt2800_rfcsr_write(rt2x00dev, 19, 0x09);
8060 	rt2800_rfcsr_write(rt2x00dev, 20, 0x50);
8061 	rt2800_rfcsr_write(rt2x00dev, 21, 0xB0);
8062 	rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
8063 	rt2800_rfcsr_write(rt2x00dev, 23, 0x06);
8064 	rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
8065 	rt2800_rfcsr_write(rt2x00dev, 25, 0x00);
8066 	rt2800_rfcsr_write(rt2x00dev, 26, 0x5D);
8067 	rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
8068 	rt2800_rfcsr_write(rt2x00dev, 28, 0x61);
8069 	rt2800_rfcsr_write(rt2x00dev, 29, 0xB5);
8070 	rt2800_rfcsr_write(rt2x00dev, 43, 0x02);
8071 
8072 	rt2800_rfcsr_write(rt2x00dev, 28, 0x62);
8073 	rt2800_rfcsr_write(rt2x00dev, 29, 0xAD);
8074 	rt2800_rfcsr_write(rt2x00dev, 39, 0x80);
8075 
8076 	/* Initialize RF channel register to default value */
8077 	rt2800_rfcsr_write_chanreg(rt2x00dev, 0, 0x03);
8078 	rt2800_rfcsr_write_chanreg(rt2x00dev, 1, 0x00);
8079 	rt2800_rfcsr_write_chanreg(rt2x00dev, 2, 0x00);
8080 	rt2800_rfcsr_write_chanreg(rt2x00dev, 3, 0x00);
8081 	rt2800_rfcsr_write_chanreg(rt2x00dev, 4, 0x00);
8082 	rt2800_rfcsr_write_chanreg(rt2x00dev, 5, 0x08);
8083 	rt2800_rfcsr_write_chanreg(rt2x00dev, 6, 0x00);
8084 	rt2800_rfcsr_write_chanreg(rt2x00dev, 7, 0x51);
8085 	rt2800_rfcsr_write_chanreg(rt2x00dev, 8, 0x53);
8086 	rt2800_rfcsr_write_chanreg(rt2x00dev, 9, 0x16);
8087 	rt2800_rfcsr_write_chanreg(rt2x00dev, 10, 0x61);
8088 	rt2800_rfcsr_write_chanreg(rt2x00dev, 11, 0x53);
8089 	rt2800_rfcsr_write_chanreg(rt2x00dev, 12, 0x22);
8090 	rt2800_rfcsr_write_chanreg(rt2x00dev, 13, 0x3D);
8091 	rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x06);
8092 	rt2800_rfcsr_write_chanreg(rt2x00dev, 15, 0x13);
8093 	rt2800_rfcsr_write_chanreg(rt2x00dev, 16, 0x22);
8094 	rt2800_rfcsr_write_chanreg(rt2x00dev, 17, 0x27);
8095 	rt2800_rfcsr_write_chanreg(rt2x00dev, 18, 0x02);
8096 	rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0xA7);
8097 	rt2800_rfcsr_write_chanreg(rt2x00dev, 20, 0x01);
8098 	rt2800_rfcsr_write_chanreg(rt2x00dev, 21, 0x52);
8099 	rt2800_rfcsr_write_chanreg(rt2x00dev, 22, 0x80);
8100 	rt2800_rfcsr_write_chanreg(rt2x00dev, 23, 0xB3);
8101 	rt2800_rfcsr_write_chanreg(rt2x00dev, 24, 0x00);
8102 	rt2800_rfcsr_write_chanreg(rt2x00dev, 25, 0x00);
8103 	rt2800_rfcsr_write_chanreg(rt2x00dev, 26, 0x00);
8104 	rt2800_rfcsr_write_chanreg(rt2x00dev, 27, 0x00);
8105 	rt2800_rfcsr_write_chanreg(rt2x00dev, 28, 0x5C);
8106 	rt2800_rfcsr_write_chanreg(rt2x00dev, 29, 0x6B);
8107 	rt2800_rfcsr_write_chanreg(rt2x00dev, 30, 0x6B);
8108 	rt2800_rfcsr_write_chanreg(rt2x00dev, 31, 0x31);
8109 	rt2800_rfcsr_write_chanreg(rt2x00dev, 32, 0x5D);
8110 	rt2800_rfcsr_write_chanreg(rt2x00dev, 33, 0x00);
8111 	rt2800_rfcsr_write_chanreg(rt2x00dev, 34, 0xE6);
8112 	rt2800_rfcsr_write_chanreg(rt2x00dev, 35, 0x55);
8113 	rt2800_rfcsr_write_chanreg(rt2x00dev, 36, 0x00);
8114 	rt2800_rfcsr_write_chanreg(rt2x00dev, 37, 0xBB);
8115 	rt2800_rfcsr_write_chanreg(rt2x00dev, 38, 0xB3);
8116 	rt2800_rfcsr_write_chanreg(rt2x00dev, 39, 0xB3);
8117 	rt2800_rfcsr_write_chanreg(rt2x00dev, 40, 0x03);
8118 	rt2800_rfcsr_write_chanreg(rt2x00dev, 41, 0x00);
8119 	rt2800_rfcsr_write_chanreg(rt2x00dev, 42, 0x00);
8120 	rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0xB3);
8121 	rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xD3);
8122 	rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xD5);
8123 	rt2800_rfcsr_write_chanreg(rt2x00dev, 46, 0x07);
8124 	rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x68);
8125 	rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xEF);
8126 	rt2800_rfcsr_write_chanreg(rt2x00dev, 49, 0x1C);
8127 	rt2800_rfcsr_write_chanreg(rt2x00dev, 54, 0x07);
8128 	rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0xA8);
8129 	rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0x85);
8130 	rt2800_rfcsr_write_chanreg(rt2x00dev, 57, 0x10);
8131 	rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x07);
8132 	rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0x6A);
8133 	rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0x85);
8134 	rt2800_rfcsr_write_chanreg(rt2x00dev, 61, 0x10);
8135 	rt2800_rfcsr_write_chanreg(rt2x00dev, 62, 0x1C);
8136 	rt2800_rfcsr_write_chanreg(rt2x00dev, 63, 0x00);
8137 
8138 	rt2800_rfcsr_write_bank(rt2x00dev, 6, 45, 0xC5);
8139 
8140 	rt2800_rfcsr_write_chanreg(rt2x00dev, 9, 0x47);
8141 	rt2800_rfcsr_write_chanreg(rt2x00dev, 10, 0x71);
8142 	rt2800_rfcsr_write_chanreg(rt2x00dev, 11, 0x33);
8143 	rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x0E);
8144 	rt2800_rfcsr_write_chanreg(rt2x00dev, 17, 0x23);
8145 	rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0xA4);
8146 	rt2800_rfcsr_write_chanreg(rt2x00dev, 20, 0x02);
8147 	rt2800_rfcsr_write_chanreg(rt2x00dev, 21, 0x12);
8148 	rt2800_rfcsr_write_chanreg(rt2x00dev, 28, 0x1C);
8149 	rt2800_rfcsr_write_chanreg(rt2x00dev, 29, 0xEB);
8150 	rt2800_rfcsr_write_chanreg(rt2x00dev, 32, 0x7D);
8151 	rt2800_rfcsr_write_chanreg(rt2x00dev, 34, 0xD6);
8152 	rt2800_rfcsr_write_chanreg(rt2x00dev, 36, 0x08);
8153 	rt2800_rfcsr_write_chanreg(rt2x00dev, 38, 0xB4);
8154 	rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0xD3);
8155 	rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xB3);
8156 	rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xD5);
8157 	rt2800_rfcsr_write_chanreg(rt2x00dev, 46, 0x27);
8158 	rt2800_rfcsr_write_bank(rt2x00dev, 4, 47, 0x67);
8159 	rt2800_rfcsr_write_bank(rt2x00dev, 6, 47, 0x69);
8160 	rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xFF);
8161 	rt2800_rfcsr_write_bank(rt2x00dev, 4, 54, 0x27);
8162 	rt2800_rfcsr_write_bank(rt2x00dev, 6, 54, 0x20);
8163 	rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x66);
8164 	rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xFF);
8165 	rt2800_rfcsr_write_chanreg(rt2x00dev, 57, 0x1C);
8166 	rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x20);
8167 	rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0x6B);
8168 	rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0xF7);
8169 	rt2800_rfcsr_write_chanreg(rt2x00dev, 61, 0x09);
8170 
8171 	rt2800_rfcsr_write_chanreg(rt2x00dev, 10, 0x51);
8172 	rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x06);
8173 	rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0xA7);
8174 	rt2800_rfcsr_write_chanreg(rt2x00dev, 28, 0x2C);
8175 	rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x64);
8176 	rt2800_rfcsr_write_chanreg(rt2x00dev, 8, 0x51);
8177 	rt2800_rfcsr_write_chanreg(rt2x00dev, 9, 0x36);
8178 	rt2800_rfcsr_write_chanreg(rt2x00dev, 11, 0x53);
8179 	rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x16);
8180 
8181 	rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x6C);
8182 	rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xFC);
8183 	rt2800_rfcsr_write_chanreg(rt2x00dev, 49, 0x1F);
8184 	rt2800_rfcsr_write_chanreg(rt2x00dev, 54, 0x27);
8185 	rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x66);
8186 	rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0x6B);
8187 
8188 	/* Initialize RF channel register for DRQFN */
8189 	rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0xD3);
8190 	rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xE3);
8191 	rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xE5);
8192 	rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x28);
8193 	rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x68);
8194 	rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xF7);
8195 	rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x02);
8196 	rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0xC7);
8197 
8198 	/* Initialize RF DC calibration register to default value */
8199 	rt2800_rfcsr_write_dccal(rt2x00dev, 0, 0x47);
8200 	rt2800_rfcsr_write_dccal(rt2x00dev, 1, 0x00);
8201 	rt2800_rfcsr_write_dccal(rt2x00dev, 2, 0x00);
8202 	rt2800_rfcsr_write_dccal(rt2x00dev, 3, 0x00);
8203 	rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x00);
8204 	rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x00);
8205 	rt2800_rfcsr_write_dccal(rt2x00dev, 6, 0x10);
8206 	rt2800_rfcsr_write_dccal(rt2x00dev, 7, 0x10);
8207 	rt2800_rfcsr_write_dccal(rt2x00dev, 8, 0x04);
8208 	rt2800_rfcsr_write_dccal(rt2x00dev, 9, 0x00);
8209 	rt2800_rfcsr_write_dccal(rt2x00dev, 10, 0x07);
8210 	rt2800_rfcsr_write_dccal(rt2x00dev, 11, 0x01);
8211 	rt2800_rfcsr_write_dccal(rt2x00dev, 12, 0x07);
8212 	rt2800_rfcsr_write_dccal(rt2x00dev, 13, 0x07);
8213 	rt2800_rfcsr_write_dccal(rt2x00dev, 14, 0x07);
8214 	rt2800_rfcsr_write_dccal(rt2x00dev, 15, 0x20);
8215 	rt2800_rfcsr_write_dccal(rt2x00dev, 16, 0x22);
8216 	rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x00);
8217 	rt2800_rfcsr_write_dccal(rt2x00dev, 18, 0x00);
8218 	rt2800_rfcsr_write_dccal(rt2x00dev, 19, 0x00);
8219 	rt2800_rfcsr_write_dccal(rt2x00dev, 20, 0x00);
8220 	rt2800_rfcsr_write_dccal(rt2x00dev, 21, 0xF1);
8221 	rt2800_rfcsr_write_dccal(rt2x00dev, 22, 0x11);
8222 	rt2800_rfcsr_write_dccal(rt2x00dev, 23, 0x02);
8223 	rt2800_rfcsr_write_dccal(rt2x00dev, 24, 0x41);
8224 	rt2800_rfcsr_write_dccal(rt2x00dev, 25, 0x20);
8225 	rt2800_rfcsr_write_dccal(rt2x00dev, 26, 0x00);
8226 	rt2800_rfcsr_write_dccal(rt2x00dev, 27, 0xD7);
8227 	rt2800_rfcsr_write_dccal(rt2x00dev, 28, 0xA2);
8228 	rt2800_rfcsr_write_dccal(rt2x00dev, 29, 0x20);
8229 	rt2800_rfcsr_write_dccal(rt2x00dev, 30, 0x49);
8230 	rt2800_rfcsr_write_dccal(rt2x00dev, 31, 0x20);
8231 	rt2800_rfcsr_write_dccal(rt2x00dev, 32, 0x04);
8232 	rt2800_rfcsr_write_dccal(rt2x00dev, 33, 0xF1);
8233 	rt2800_rfcsr_write_dccal(rt2x00dev, 34, 0xA1);
8234 	rt2800_rfcsr_write_dccal(rt2x00dev, 35, 0x01);
8235 	rt2800_rfcsr_write_dccal(rt2x00dev, 41, 0x00);
8236 	rt2800_rfcsr_write_dccal(rt2x00dev, 42, 0x00);
8237 	rt2800_rfcsr_write_dccal(rt2x00dev, 43, 0x00);
8238 	rt2800_rfcsr_write_dccal(rt2x00dev, 44, 0x00);
8239 	rt2800_rfcsr_write_dccal(rt2x00dev, 45, 0x00);
8240 	rt2800_rfcsr_write_dccal(rt2x00dev, 46, 0x00);
8241 	rt2800_rfcsr_write_dccal(rt2x00dev, 47, 0x3E);
8242 	rt2800_rfcsr_write_dccal(rt2x00dev, 48, 0x3D);
8243 	rt2800_rfcsr_write_dccal(rt2x00dev, 49, 0x3E);
8244 	rt2800_rfcsr_write_dccal(rt2x00dev, 50, 0x3D);
8245 	rt2800_rfcsr_write_dccal(rt2x00dev, 51, 0x3E);
8246 	rt2800_rfcsr_write_dccal(rt2x00dev, 52, 0x3D);
8247 	rt2800_rfcsr_write_dccal(rt2x00dev, 53, 0x00);
8248 	rt2800_rfcsr_write_dccal(rt2x00dev, 54, 0x00);
8249 	rt2800_rfcsr_write_dccal(rt2x00dev, 55, 0x00);
8250 	rt2800_rfcsr_write_dccal(rt2x00dev, 56, 0x00);
8251 	rt2800_rfcsr_write_dccal(rt2x00dev, 57, 0x00);
8252 	rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x10);
8253 	rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x10);
8254 	rt2800_rfcsr_write_dccal(rt2x00dev, 60, 0x0A);
8255 	rt2800_rfcsr_write_dccal(rt2x00dev, 61, 0x00);
8256 	rt2800_rfcsr_write_dccal(rt2x00dev, 62, 0x00);
8257 	rt2800_rfcsr_write_dccal(rt2x00dev, 63, 0x00);
8258 
8259 	rt2800_rfcsr_write_dccal(rt2x00dev, 3, 0x08);
8260 	rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x04);
8261 	rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x20);
8262 
8263 	rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x00);
8264 	rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x7C);
8265 
8266 	rt2800_bw_filter_calibration(rt2x00dev, true);
8267 	rt2800_bw_filter_calibration(rt2x00dev, false);
8268 }
8269 
rt2800_init_rfcsr(struct rt2x00_dev * rt2x00dev)8270 static void rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
8271 {
8272 	if (rt2800_is_305x_soc(rt2x00dev)) {
8273 		rt2800_init_rfcsr_305x_soc(rt2x00dev);
8274 		return;
8275 	}
8276 
8277 	switch (rt2x00dev->chip.rt) {
8278 	case RT3070:
8279 	case RT3071:
8280 	case RT3090:
8281 		rt2800_init_rfcsr_30xx(rt2x00dev);
8282 		break;
8283 	case RT3290:
8284 		rt2800_init_rfcsr_3290(rt2x00dev);
8285 		break;
8286 	case RT3352:
8287 		rt2800_init_rfcsr_3352(rt2x00dev);
8288 		break;
8289 	case RT3390:
8290 		rt2800_init_rfcsr_3390(rt2x00dev);
8291 		break;
8292 	case RT3572:
8293 		rt2800_init_rfcsr_3572(rt2x00dev);
8294 		break;
8295 	case RT3593:
8296 		rt2800_init_rfcsr_3593(rt2x00dev);
8297 		break;
8298 	case RT5350:
8299 		rt2800_init_rfcsr_5350(rt2x00dev);
8300 		break;
8301 	case RT5390:
8302 		rt2800_init_rfcsr_5390(rt2x00dev);
8303 		break;
8304 	case RT5392:
8305 		rt2800_init_rfcsr_5392(rt2x00dev);
8306 		break;
8307 	case RT5592:
8308 		rt2800_init_rfcsr_5592(rt2x00dev);
8309 		break;
8310 	case RT6352:
8311 		rt2800_init_rfcsr_6352(rt2x00dev);
8312 		break;
8313 	}
8314 }
8315 
rt2800_enable_radio(struct rt2x00_dev * rt2x00dev)8316 int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev)
8317 {
8318 	u32 reg;
8319 	u16 word;
8320 
8321 	/*
8322 	 * Initialize MAC registers.
8323 	 */
8324 	if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
8325 		     rt2800_init_registers(rt2x00dev)))
8326 		return -EIO;
8327 
8328 	/*
8329 	 * Wait BBP/RF to wake up.
8330 	 */
8331 	if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev)))
8332 		return -EIO;
8333 
8334 	/*
8335 	 * Send signal during boot time to initialize firmware.
8336 	 */
8337 	rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
8338 	rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
8339 	if (rt2x00_is_usb(rt2x00dev))
8340 		rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0);
8341 	rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
8342 	msleep(1);
8343 
8344 	/*
8345 	 * Make sure BBP is up and running.
8346 	 */
8347 	if (unlikely(rt2800_wait_bbp_ready(rt2x00dev)))
8348 		return -EIO;
8349 
8350 	/*
8351 	 * Initialize BBP/RF registers.
8352 	 */
8353 	rt2800_init_bbp(rt2x00dev);
8354 	rt2800_init_rfcsr(rt2x00dev);
8355 
8356 	if (rt2x00_is_usb(rt2x00dev) &&
8357 	    (rt2x00_rt(rt2x00dev, RT3070) ||
8358 	     rt2x00_rt(rt2x00dev, RT3071) ||
8359 	     rt2x00_rt(rt2x00dev, RT3572))) {
8360 		udelay(200);
8361 		rt2800_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0);
8362 		udelay(10);
8363 	}
8364 
8365 	/*
8366 	 * Enable RX.
8367 	 */
8368 	reg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
8369 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
8370 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
8371 	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
8372 
8373 	udelay(50);
8374 
8375 	reg = rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG);
8376 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
8377 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
8378 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
8379 	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
8380 
8381 	reg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
8382 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
8383 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
8384 	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
8385 
8386 	/*
8387 	 * Initialize LED control
8388 	 */
8389 	word = rt2800_eeprom_read(rt2x00dev, EEPROM_LED_AG_CONF);
8390 	rt2800_mcu_request(rt2x00dev, MCU_LED_AG_CONF, 0xff,
8391 			   word & 0xff, (word >> 8) & 0xff);
8392 
8393 	word = rt2800_eeprom_read(rt2x00dev, EEPROM_LED_ACT_CONF);
8394 	rt2800_mcu_request(rt2x00dev, MCU_LED_ACT_CONF, 0xff,
8395 			   word & 0xff, (word >> 8) & 0xff);
8396 
8397 	word = rt2800_eeprom_read(rt2x00dev, EEPROM_LED_POLARITY);
8398 	rt2800_mcu_request(rt2x00dev, MCU_LED_LED_POLARITY, 0xff,
8399 			   word & 0xff, (word >> 8) & 0xff);
8400 
8401 	return 0;
8402 }
8403 EXPORT_SYMBOL_GPL(rt2800_enable_radio);
8404 
rt2800_disable_radio(struct rt2x00_dev * rt2x00dev)8405 void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev)
8406 {
8407 	u32 reg;
8408 
8409 	rt2800_disable_wpdma(rt2x00dev);
8410 
8411 	/* Wait for DMA, ignore error */
8412 	rt2800_wait_wpdma_ready(rt2x00dev);
8413 
8414 	reg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
8415 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 0);
8416 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
8417 	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
8418 }
8419 EXPORT_SYMBOL_GPL(rt2800_disable_radio);
8420 
rt2800_efuse_detect(struct rt2x00_dev * rt2x00dev)8421 int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev)
8422 {
8423 	u32 reg;
8424 	u16 efuse_ctrl_reg;
8425 
8426 	if (rt2x00_rt(rt2x00dev, RT3290))
8427 		efuse_ctrl_reg = EFUSE_CTRL_3290;
8428 	else
8429 		efuse_ctrl_reg = EFUSE_CTRL;
8430 
8431 	reg = rt2800_register_read(rt2x00dev, efuse_ctrl_reg);
8432 	return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT);
8433 }
8434 EXPORT_SYMBOL_GPL(rt2800_efuse_detect);
8435 
rt2800_efuse_read(struct rt2x00_dev * rt2x00dev,unsigned int i)8436 static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i)
8437 {
8438 	u32 reg;
8439 	u16 efuse_ctrl_reg;
8440 	u16 efuse_data0_reg;
8441 	u16 efuse_data1_reg;
8442 	u16 efuse_data2_reg;
8443 	u16 efuse_data3_reg;
8444 
8445 	if (rt2x00_rt(rt2x00dev, RT3290)) {
8446 		efuse_ctrl_reg = EFUSE_CTRL_3290;
8447 		efuse_data0_reg = EFUSE_DATA0_3290;
8448 		efuse_data1_reg = EFUSE_DATA1_3290;
8449 		efuse_data2_reg = EFUSE_DATA2_3290;
8450 		efuse_data3_reg = EFUSE_DATA3_3290;
8451 	} else {
8452 		efuse_ctrl_reg = EFUSE_CTRL;
8453 		efuse_data0_reg = EFUSE_DATA0;
8454 		efuse_data1_reg = EFUSE_DATA1;
8455 		efuse_data2_reg = EFUSE_DATA2;
8456 		efuse_data3_reg = EFUSE_DATA3;
8457 	}
8458 	mutex_lock(&rt2x00dev->csr_mutex);
8459 
8460 	reg = rt2800_register_read_lock(rt2x00dev, efuse_ctrl_reg);
8461 	rt2x00_set_field32(&reg, EFUSE_CTRL_ADDRESS_IN, i);
8462 	rt2x00_set_field32(&reg, EFUSE_CTRL_MODE, 0);
8463 	rt2x00_set_field32(&reg, EFUSE_CTRL_KICK, 1);
8464 	rt2800_register_write_lock(rt2x00dev, efuse_ctrl_reg, reg);
8465 
8466 	/* Wait until the EEPROM has been loaded */
8467 	rt2800_regbusy_read(rt2x00dev, efuse_ctrl_reg, EFUSE_CTRL_KICK, &reg);
8468 	/* Apparently the data is read from end to start */
8469 	reg = rt2800_register_read_lock(rt2x00dev, efuse_data3_reg);
8470 	/* The returned value is in CPU order, but eeprom is le */
8471 	*(u32 *)&rt2x00dev->eeprom[i] = cpu_to_le32(reg);
8472 	reg = rt2800_register_read_lock(rt2x00dev, efuse_data2_reg);
8473 	*(u32 *)&rt2x00dev->eeprom[i + 2] = cpu_to_le32(reg);
8474 	reg = rt2800_register_read_lock(rt2x00dev, efuse_data1_reg);
8475 	*(u32 *)&rt2x00dev->eeprom[i + 4] = cpu_to_le32(reg);
8476 	reg = rt2800_register_read_lock(rt2x00dev, efuse_data0_reg);
8477 	*(u32 *)&rt2x00dev->eeprom[i + 6] = cpu_to_le32(reg);
8478 
8479 	mutex_unlock(&rt2x00dev->csr_mutex);
8480 }
8481 
rt2800_read_eeprom_efuse(struct rt2x00_dev * rt2x00dev)8482 int rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
8483 {
8484 	unsigned int i;
8485 
8486 	for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8)
8487 		rt2800_efuse_read(rt2x00dev, i);
8488 
8489 	return 0;
8490 }
8491 EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse);
8492 
rt2800_get_txmixer_gain_24g(struct rt2x00_dev * rt2x00dev)8493 static u8 rt2800_get_txmixer_gain_24g(struct rt2x00_dev *rt2x00dev)
8494 {
8495 	u16 word;
8496 
8497 	if (rt2x00_rt(rt2x00dev, RT3593))
8498 		return 0;
8499 
8500 	word = rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG);
8501 	if ((word & 0x00ff) != 0x00ff)
8502 		return rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_BG_VAL);
8503 
8504 	return 0;
8505 }
8506 
rt2800_get_txmixer_gain_5g(struct rt2x00_dev * rt2x00dev)8507 static u8 rt2800_get_txmixer_gain_5g(struct rt2x00_dev *rt2x00dev)
8508 {
8509 	u16 word;
8510 
8511 	if (rt2x00_rt(rt2x00dev, RT3593))
8512 		return 0;
8513 
8514 	word = rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_A);
8515 	if ((word & 0x00ff) != 0x00ff)
8516 		return rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_A_VAL);
8517 
8518 	return 0;
8519 }
8520 
rt2800_validate_eeprom(struct rt2x00_dev * rt2x00dev)8521 static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
8522 {
8523 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
8524 	u16 word;
8525 	u8 *mac;
8526 	u8 default_lna_gain;
8527 	int retval;
8528 
8529 	/*
8530 	 * Read the EEPROM.
8531 	 */
8532 	retval = rt2800_read_eeprom(rt2x00dev);
8533 	if (retval)
8534 		return retval;
8535 
8536 	/*
8537 	 * Start validation of the data that has been read.
8538 	 */
8539 	mac = rt2800_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
8540 	rt2x00lib_set_mac_address(rt2x00dev, mac);
8541 
8542 	word = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0);
8543 	if (word == 0xffff) {
8544 		rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
8545 		rt2x00_set_field16(&word, EEPROM_NIC_CONF0_TXPATH, 1);
8546 		rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RF_TYPE, RF2820);
8547 		rt2800_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
8548 		rt2x00_eeprom_dbg(rt2x00dev, "Antenna: 0x%04x\n", word);
8549 	} else if (rt2x00_rt(rt2x00dev, RT2860) ||
8550 		   rt2x00_rt(rt2x00dev, RT2872)) {
8551 		/*
8552 		 * There is a max of 2 RX streams for RT28x0 series
8553 		 */
8554 		if (rt2x00_get_field16(word, EEPROM_NIC_CONF0_RXPATH) > 2)
8555 			rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
8556 		rt2800_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
8557 	}
8558 
8559 	word = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
8560 	if (word == 0xffff) {
8561 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_HW_RADIO, 0);
8562 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC, 0);
8563 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G, 0);
8564 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G, 0);
8565 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_CARDBUS_ACCEL, 0);
8566 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_2G, 0);
8567 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_5G, 0);
8568 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_WPS_PBC, 0);
8569 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_2G, 0);
8570 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_5G, 0);
8571 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BROADBAND_EXT_LNA, 0);
8572 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_ANT_DIVERSITY, 0);
8573 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_INTERNAL_TX_ALC, 0);
8574 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BT_COEXIST, 0);
8575 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_DAC_TEST, 0);
8576 		rt2800_eeprom_write(rt2x00dev, EEPROM_NIC_CONF1, word);
8577 		rt2x00_eeprom_dbg(rt2x00dev, "NIC: 0x%04x\n", word);
8578 	}
8579 
8580 	word = rt2800_eeprom_read(rt2x00dev, EEPROM_FREQ);
8581 	if ((word & 0x00ff) == 0x00ff) {
8582 		rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
8583 		rt2800_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
8584 		rt2x00_eeprom_dbg(rt2x00dev, "Freq: 0x%04x\n", word);
8585 	}
8586 	if ((word & 0xff00) == 0xff00) {
8587 		rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
8588 				   LED_MODE_TXRX_ACTIVITY);
8589 		rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
8590 		rt2800_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
8591 		rt2800_eeprom_write(rt2x00dev, EEPROM_LED_AG_CONF, 0x5555);
8592 		rt2800_eeprom_write(rt2x00dev, EEPROM_LED_ACT_CONF, 0x2221);
8593 		rt2800_eeprom_write(rt2x00dev, EEPROM_LED_POLARITY, 0xa9f8);
8594 		rt2x00_eeprom_dbg(rt2x00dev, "Led Mode: 0x%04x\n", word);
8595 	}
8596 
8597 	/*
8598 	 * During the LNA validation we are going to use
8599 	 * lna0 as correct value. Note that EEPROM_LNA
8600 	 * is never validated.
8601 	 */
8602 	word = rt2800_eeprom_read(rt2x00dev, EEPROM_LNA);
8603 	default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
8604 
8605 	word = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG);
8606 	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
8607 		rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
8608 	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
8609 		rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
8610 	rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
8611 
8612 	drv_data->txmixer_gain_24g = rt2800_get_txmixer_gain_24g(rt2x00dev);
8613 
8614 	word = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2);
8615 	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
8616 		rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
8617 	if (!rt2x00_rt(rt2x00dev, RT3593)) {
8618 		if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
8619 		    rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
8620 			rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
8621 					   default_lna_gain);
8622 	}
8623 	rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
8624 
8625 	drv_data->txmixer_gain_5g = rt2800_get_txmixer_gain_5g(rt2x00dev);
8626 
8627 	word = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A);
8628 	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
8629 		rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
8630 	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
8631 		rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
8632 	rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
8633 
8634 	word = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2);
8635 	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
8636 		rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
8637 	if (!rt2x00_rt(rt2x00dev, RT3593)) {
8638 		if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
8639 		    rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
8640 			rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
8641 					   default_lna_gain);
8642 	}
8643 	rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
8644 
8645 	if (rt2x00_rt(rt2x00dev, RT3593)) {
8646 		word = rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2);
8647 		if (rt2x00_get_field16(word, EEPROM_EXT_LNA2_A1) == 0x00 ||
8648 		    rt2x00_get_field16(word, EEPROM_EXT_LNA2_A1) == 0xff)
8649 			rt2x00_set_field16(&word, EEPROM_EXT_LNA2_A1,
8650 					   default_lna_gain);
8651 		if (rt2x00_get_field16(word, EEPROM_EXT_LNA2_A2) == 0x00 ||
8652 		    rt2x00_get_field16(word, EEPROM_EXT_LNA2_A2) == 0xff)
8653 			rt2x00_set_field16(&word, EEPROM_EXT_LNA2_A1,
8654 					   default_lna_gain);
8655 		rt2800_eeprom_write(rt2x00dev, EEPROM_EXT_LNA2, word);
8656 	}
8657 
8658 	return 0;
8659 }
8660 
rt2800_init_eeprom(struct rt2x00_dev * rt2x00dev)8661 static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
8662 {
8663 	u16 value;
8664 	u16 eeprom;
8665 	u16 rf;
8666 
8667 	/*
8668 	 * Read EEPROM word for configuration.
8669 	 */
8670 	eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0);
8671 
8672 	/*
8673 	 * Identify RF chipset by EEPROM value
8674 	 * RT28xx/RT30xx: defined in "EEPROM_NIC_CONF0_RF_TYPE" field
8675 	 * RT53xx: defined in "EEPROM_CHIP_ID" field
8676 	 */
8677 	if (rt2x00_rt(rt2x00dev, RT3290) ||
8678 	    rt2x00_rt(rt2x00dev, RT5390) ||
8679 	    rt2x00_rt(rt2x00dev, RT5392) ||
8680 	    rt2x00_rt(rt2x00dev, RT6352))
8681 		rf = rt2800_eeprom_read(rt2x00dev, EEPROM_CHIP_ID);
8682 	else if (rt2x00_rt(rt2x00dev, RT3352))
8683 		rf = RF3322;
8684 	else if (rt2x00_rt(rt2x00dev, RT5350))
8685 		rf = RF5350;
8686 	else
8687 		rf = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RF_TYPE);
8688 
8689 	switch (rf) {
8690 	case RF2820:
8691 	case RF2850:
8692 	case RF2720:
8693 	case RF2750:
8694 	case RF3020:
8695 	case RF2020:
8696 	case RF3021:
8697 	case RF3022:
8698 	case RF3052:
8699 	case RF3053:
8700 	case RF3070:
8701 	case RF3290:
8702 	case RF3320:
8703 	case RF3322:
8704 	case RF5350:
8705 	case RF5360:
8706 	case RF5362:
8707 	case RF5370:
8708 	case RF5372:
8709 	case RF5390:
8710 	case RF5392:
8711 	case RF5592:
8712 	case RF7620:
8713 		break;
8714 	default:
8715 		rt2x00_err(rt2x00dev, "Invalid RF chipset 0x%04x detected\n",
8716 			   rf);
8717 		return -ENODEV;
8718 	}
8719 
8720 	rt2x00_set_rf(rt2x00dev, rf);
8721 
8722 	/*
8723 	 * Identify default antenna configuration.
8724 	 */
8725 	rt2x00dev->default_ant.tx_chain_num =
8726 	    rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH);
8727 	rt2x00dev->default_ant.rx_chain_num =
8728 	    rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH);
8729 
8730 	eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
8731 
8732 	if (rt2x00_rt(rt2x00dev, RT3070) ||
8733 	    rt2x00_rt(rt2x00dev, RT3090) ||
8734 	    rt2x00_rt(rt2x00dev, RT3352) ||
8735 	    rt2x00_rt(rt2x00dev, RT3390)) {
8736 		value = rt2x00_get_field16(eeprom,
8737 				EEPROM_NIC_CONF1_ANT_DIVERSITY);
8738 		switch (value) {
8739 		case 0:
8740 		case 1:
8741 		case 2:
8742 			rt2x00dev->default_ant.tx = ANTENNA_A;
8743 			rt2x00dev->default_ant.rx = ANTENNA_A;
8744 			break;
8745 		case 3:
8746 			rt2x00dev->default_ant.tx = ANTENNA_A;
8747 			rt2x00dev->default_ant.rx = ANTENNA_B;
8748 			break;
8749 		}
8750 	} else {
8751 		rt2x00dev->default_ant.tx = ANTENNA_A;
8752 		rt2x00dev->default_ant.rx = ANTENNA_A;
8753 	}
8754 
8755 	/* These chips have hardware RX antenna diversity */
8756 	if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R) ||
8757 	    rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5370G)) {
8758 		rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY; /* Unused */
8759 		rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY; /* Unused */
8760 	}
8761 
8762 	/*
8763 	 * Determine external LNA informations.
8764 	 */
8765 	if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G))
8766 		__set_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags);
8767 	if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G))
8768 		__set_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags);
8769 
8770 	/*
8771 	 * Detect if this device has an hardware controlled radio.
8772 	 */
8773 	if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_HW_RADIO))
8774 		__set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags);
8775 
8776 	/*
8777 	 * Detect if this device has Bluetooth co-existence.
8778 	 */
8779 	if (!rt2x00_rt(rt2x00dev, RT3352) &&
8780 	    rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST))
8781 		__set_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags);
8782 
8783 	/*
8784 	 * Read frequency offset and RF programming sequence.
8785 	 */
8786 	eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_FREQ);
8787 	rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
8788 
8789 	/*
8790 	 * Store led settings, for correct led behaviour.
8791 	 */
8792 #ifdef CONFIG_RT2X00_LIB_LEDS
8793 	rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
8794 	rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
8795 	rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
8796 
8797 	rt2x00dev->led_mcu_reg = eeprom;
8798 #endif /* CONFIG_RT2X00_LIB_LEDS */
8799 
8800 	/*
8801 	 * Check if support EIRP tx power limit feature.
8802 	 */
8803 	eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER);
8804 
8805 	if (rt2x00_get_field16(eeprom, EEPROM_EIRP_MAX_TX_POWER_2GHZ) <
8806 					EIRP_MAX_TX_POWER_LIMIT)
8807 		__set_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags);
8808 
8809 	/*
8810 	 * Detect if device uses internal or external PA
8811 	 */
8812 	eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
8813 
8814 	if (rt2x00_rt(rt2x00dev, RT3352)) {
8815 		if (rt2x00_get_field16(eeprom,
8816 		    EEPROM_NIC_CONF1_EXTERNAL_TX0_PA_3352))
8817 		    __set_bit(CAPABILITY_EXTERNAL_PA_TX0,
8818 			      &rt2x00dev->cap_flags);
8819 		if (rt2x00_get_field16(eeprom,
8820 		    EEPROM_NIC_CONF1_EXTERNAL_TX1_PA_3352))
8821 		    __set_bit(CAPABILITY_EXTERNAL_PA_TX1,
8822 			      &rt2x00dev->cap_flags);
8823 	}
8824 
8825 	return 0;
8826 }
8827 
8828 /*
8829  * RF value list for rt28xx
8830  * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
8831  */
8832 static const struct rf_channel rf_vals[] = {
8833 	{ 1,  0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
8834 	{ 2,  0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
8835 	{ 3,  0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
8836 	{ 4,  0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
8837 	{ 5,  0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
8838 	{ 6,  0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
8839 	{ 7,  0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
8840 	{ 8,  0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
8841 	{ 9,  0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
8842 	{ 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
8843 	{ 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
8844 	{ 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
8845 	{ 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
8846 	{ 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
8847 
8848 	/* 802.11 UNI / HyperLan 2 */
8849 	{ 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
8850 	{ 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
8851 	{ 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
8852 	{ 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
8853 	{ 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
8854 	{ 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
8855 	{ 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
8856 	{ 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
8857 	{ 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
8858 	{ 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
8859 	{ 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
8860 	{ 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
8861 
8862 	/* 802.11 HyperLan 2 */
8863 	{ 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
8864 	{ 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
8865 	{ 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 },
8866 	{ 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 },
8867 	{ 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
8868 	{ 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
8869 	{ 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
8870 	{ 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
8871 	{ 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
8872 	{ 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
8873 	{ 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
8874 	{ 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
8875 	{ 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
8876 	{ 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
8877 	{ 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
8878 	{ 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
8879 
8880 	/* 802.11 UNII */
8881 	{ 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
8882 	{ 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
8883 	{ 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
8884 	{ 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
8885 	{ 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
8886 	{ 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
8887 	{ 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
8888 	{ 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f },
8889 	{ 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 },
8890 	{ 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 },
8891 	{ 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f },
8892 
8893 	/* 802.11 Japan */
8894 	{ 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
8895 	{ 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
8896 	{ 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
8897 	{ 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
8898 	{ 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
8899 	{ 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
8900 	{ 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
8901 };
8902 
8903 /*
8904  * RF value list for rt3xxx
8905  * Supports: 2.4 GHz (all) & 5.2 GHz (RF3052 & RF3053)
8906  */
8907 static const struct rf_channel rf_vals_3x[] = {
8908 	{1,  241, 2, 2 },
8909 	{2,  241, 2, 7 },
8910 	{3,  242, 2, 2 },
8911 	{4,  242, 2, 7 },
8912 	{5,  243, 2, 2 },
8913 	{6,  243, 2, 7 },
8914 	{7,  244, 2, 2 },
8915 	{8,  244, 2, 7 },
8916 	{9,  245, 2, 2 },
8917 	{10, 245, 2, 7 },
8918 	{11, 246, 2, 2 },
8919 	{12, 246, 2, 7 },
8920 	{13, 247, 2, 2 },
8921 	{14, 248, 2, 4 },
8922 
8923 	/* 802.11 UNI / HyperLan 2 */
8924 	{36, 0x56, 0, 4},
8925 	{38, 0x56, 0, 6},
8926 	{40, 0x56, 0, 8},
8927 	{44, 0x57, 0, 0},
8928 	{46, 0x57, 0, 2},
8929 	{48, 0x57, 0, 4},
8930 	{52, 0x57, 0, 8},
8931 	{54, 0x57, 0, 10},
8932 	{56, 0x58, 0, 0},
8933 	{60, 0x58, 0, 4},
8934 	{62, 0x58, 0, 6},
8935 	{64, 0x58, 0, 8},
8936 
8937 	/* 802.11 HyperLan 2 */
8938 	{100, 0x5b, 0, 8},
8939 	{102, 0x5b, 0, 10},
8940 	{104, 0x5c, 0, 0},
8941 	{108, 0x5c, 0, 4},
8942 	{110, 0x5c, 0, 6},
8943 	{112, 0x5c, 0, 8},
8944 	{116, 0x5d, 0, 0},
8945 	{118, 0x5d, 0, 2},
8946 	{120, 0x5d, 0, 4},
8947 	{124, 0x5d, 0, 8},
8948 	{126, 0x5d, 0, 10},
8949 	{128, 0x5e, 0, 0},
8950 	{132, 0x5e, 0, 4},
8951 	{134, 0x5e, 0, 6},
8952 	{136, 0x5e, 0, 8},
8953 	{140, 0x5f, 0, 0},
8954 
8955 	/* 802.11 UNII */
8956 	{149, 0x5f, 0, 9},
8957 	{151, 0x5f, 0, 11},
8958 	{153, 0x60, 0, 1},
8959 	{157, 0x60, 0, 5},
8960 	{159, 0x60, 0, 7},
8961 	{161, 0x60, 0, 9},
8962 	{165, 0x61, 0, 1},
8963 	{167, 0x61, 0, 3},
8964 	{169, 0x61, 0, 5},
8965 	{171, 0x61, 0, 7},
8966 	{173, 0x61, 0, 9},
8967 };
8968 
8969 /*
8970  * RF value list for rt3xxx with Xtal20MHz
8971  * Supports: 2.4 GHz (all) (RF3322)
8972  */
8973 static const struct rf_channel rf_vals_3x_xtal20[] = {
8974 	{1,    0xE2,	 2,  0x14},
8975 	{2,    0xE3,	 2,  0x14},
8976 	{3,    0xE4,	 2,  0x14},
8977 	{4,    0xE5,	 2,  0x14},
8978 	{5,    0xE6,	 2,  0x14},
8979 	{6,    0xE7,	 2,  0x14},
8980 	{7,    0xE8,	 2,  0x14},
8981 	{8,    0xE9,	 2,  0x14},
8982 	{9,    0xEA,	 2,  0x14},
8983 	{10,   0xEB,	 2,  0x14},
8984 	{11,   0xEC,	 2,  0x14},
8985 	{12,   0xED,	 2,  0x14},
8986 	{13,   0xEE,	 2,  0x14},
8987 	{14,   0xF0,	 2,  0x18},
8988 };
8989 
8990 static const struct rf_channel rf_vals_5592_xtal20[] = {
8991 	/* Channel, N, K, mod, R */
8992 	{1, 482, 4, 10, 3},
8993 	{2, 483, 4, 10, 3},
8994 	{3, 484, 4, 10, 3},
8995 	{4, 485, 4, 10, 3},
8996 	{5, 486, 4, 10, 3},
8997 	{6, 487, 4, 10, 3},
8998 	{7, 488, 4, 10, 3},
8999 	{8, 489, 4, 10, 3},
9000 	{9, 490, 4, 10, 3},
9001 	{10, 491, 4, 10, 3},
9002 	{11, 492, 4, 10, 3},
9003 	{12, 493, 4, 10, 3},
9004 	{13, 494, 4, 10, 3},
9005 	{14, 496, 8, 10, 3},
9006 	{36, 172, 8, 12, 1},
9007 	{38, 173, 0, 12, 1},
9008 	{40, 173, 4, 12, 1},
9009 	{42, 173, 8, 12, 1},
9010 	{44, 174, 0, 12, 1},
9011 	{46, 174, 4, 12, 1},
9012 	{48, 174, 8, 12, 1},
9013 	{50, 175, 0, 12, 1},
9014 	{52, 175, 4, 12, 1},
9015 	{54, 175, 8, 12, 1},
9016 	{56, 176, 0, 12, 1},
9017 	{58, 176, 4, 12, 1},
9018 	{60, 176, 8, 12, 1},
9019 	{62, 177, 0, 12, 1},
9020 	{64, 177, 4, 12, 1},
9021 	{100, 183, 4, 12, 1},
9022 	{102, 183, 8, 12, 1},
9023 	{104, 184, 0, 12, 1},
9024 	{106, 184, 4, 12, 1},
9025 	{108, 184, 8, 12, 1},
9026 	{110, 185, 0, 12, 1},
9027 	{112, 185, 4, 12, 1},
9028 	{114, 185, 8, 12, 1},
9029 	{116, 186, 0, 12, 1},
9030 	{118, 186, 4, 12, 1},
9031 	{120, 186, 8, 12, 1},
9032 	{122, 187, 0, 12, 1},
9033 	{124, 187, 4, 12, 1},
9034 	{126, 187, 8, 12, 1},
9035 	{128, 188, 0, 12, 1},
9036 	{130, 188, 4, 12, 1},
9037 	{132, 188, 8, 12, 1},
9038 	{134, 189, 0, 12, 1},
9039 	{136, 189, 4, 12, 1},
9040 	{138, 189, 8, 12, 1},
9041 	{140, 190, 0, 12, 1},
9042 	{149, 191, 6, 12, 1},
9043 	{151, 191, 10, 12, 1},
9044 	{153, 192, 2, 12, 1},
9045 	{155, 192, 6, 12, 1},
9046 	{157, 192, 10, 12, 1},
9047 	{159, 193, 2, 12, 1},
9048 	{161, 193, 6, 12, 1},
9049 	{165, 194, 2, 12, 1},
9050 	{184, 164, 0, 12, 1},
9051 	{188, 164, 4, 12, 1},
9052 	{192, 165, 8, 12, 1},
9053 	{196, 166, 0, 12, 1},
9054 };
9055 
9056 static const struct rf_channel rf_vals_5592_xtal40[] = {
9057 	/* Channel, N, K, mod, R */
9058 	{1, 241, 2, 10, 3},
9059 	{2, 241, 7, 10, 3},
9060 	{3, 242, 2, 10, 3},
9061 	{4, 242, 7, 10, 3},
9062 	{5, 243, 2, 10, 3},
9063 	{6, 243, 7, 10, 3},
9064 	{7, 244, 2, 10, 3},
9065 	{8, 244, 7, 10, 3},
9066 	{9, 245, 2, 10, 3},
9067 	{10, 245, 7, 10, 3},
9068 	{11, 246, 2, 10, 3},
9069 	{12, 246, 7, 10, 3},
9070 	{13, 247, 2, 10, 3},
9071 	{14, 248, 4, 10, 3},
9072 	{36, 86, 4, 12, 1},
9073 	{38, 86, 6, 12, 1},
9074 	{40, 86, 8, 12, 1},
9075 	{42, 86, 10, 12, 1},
9076 	{44, 87, 0, 12, 1},
9077 	{46, 87, 2, 12, 1},
9078 	{48, 87, 4, 12, 1},
9079 	{50, 87, 6, 12, 1},
9080 	{52, 87, 8, 12, 1},
9081 	{54, 87, 10, 12, 1},
9082 	{56, 88, 0, 12, 1},
9083 	{58, 88, 2, 12, 1},
9084 	{60, 88, 4, 12, 1},
9085 	{62, 88, 6, 12, 1},
9086 	{64, 88, 8, 12, 1},
9087 	{100, 91, 8, 12, 1},
9088 	{102, 91, 10, 12, 1},
9089 	{104, 92, 0, 12, 1},
9090 	{106, 92, 2, 12, 1},
9091 	{108, 92, 4, 12, 1},
9092 	{110, 92, 6, 12, 1},
9093 	{112, 92, 8, 12, 1},
9094 	{114, 92, 10, 12, 1},
9095 	{116, 93, 0, 12, 1},
9096 	{118, 93, 2, 12, 1},
9097 	{120, 93, 4, 12, 1},
9098 	{122, 93, 6, 12, 1},
9099 	{124, 93, 8, 12, 1},
9100 	{126, 93, 10, 12, 1},
9101 	{128, 94, 0, 12, 1},
9102 	{130, 94, 2, 12, 1},
9103 	{132, 94, 4, 12, 1},
9104 	{134, 94, 6, 12, 1},
9105 	{136, 94, 8, 12, 1},
9106 	{138, 94, 10, 12, 1},
9107 	{140, 95, 0, 12, 1},
9108 	{149, 95, 9, 12, 1},
9109 	{151, 95, 11, 12, 1},
9110 	{153, 96, 1, 12, 1},
9111 	{155, 96, 3, 12, 1},
9112 	{157, 96, 5, 12, 1},
9113 	{159, 96, 7, 12, 1},
9114 	{161, 96, 9, 12, 1},
9115 	{165, 97, 1, 12, 1},
9116 	{184, 82, 0, 12, 1},
9117 	{188, 82, 4, 12, 1},
9118 	{192, 82, 8, 12, 1},
9119 	{196, 83, 0, 12, 1},
9120 };
9121 
9122 static const struct rf_channel rf_vals_7620[] = {
9123 	{1, 0x50, 0x99, 0x99, 1},
9124 	{2, 0x50, 0x44, 0x44, 2},
9125 	{3, 0x50, 0xEE, 0xEE, 2},
9126 	{4, 0x50, 0x99, 0x99, 3},
9127 	{5, 0x51, 0x44, 0x44, 0},
9128 	{6, 0x51, 0xEE, 0xEE, 0},
9129 	{7, 0x51, 0x99, 0x99, 1},
9130 	{8, 0x51, 0x44, 0x44, 2},
9131 	{9, 0x51, 0xEE, 0xEE, 2},
9132 	{10, 0x51, 0x99, 0x99, 3},
9133 	{11, 0x52, 0x44, 0x44, 0},
9134 	{12, 0x52, 0xEE, 0xEE, 0},
9135 	{13, 0x52, 0x99, 0x99, 1},
9136 	{14, 0x52, 0x33, 0x33, 3},
9137 };
9138 
rt2800_probe_hw_mode(struct rt2x00_dev * rt2x00dev)9139 static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
9140 {
9141 	struct hw_mode_spec *spec = &rt2x00dev->spec;
9142 	struct channel_info *info;
9143 	char *default_power1;
9144 	char *default_power2;
9145 	char *default_power3;
9146 	unsigned int i, tx_chains, rx_chains;
9147 	u32 reg;
9148 
9149 	/*
9150 	 * Disable powersaving as default.
9151 	 */
9152 	rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
9153 
9154 	/*
9155 	 * Change default retry settings to values corresponding more closely
9156 	 * to rate[0].count setting of minstrel rate control algorithm.
9157 	 */
9158 	rt2x00dev->hw->wiphy->retry_short = 2;
9159 	rt2x00dev->hw->wiphy->retry_long = 2;
9160 
9161 	/*
9162 	 * Initialize all hw fields.
9163 	 */
9164 	ieee80211_hw_set(rt2x00dev->hw, REPORTS_TX_ACK_STATUS);
9165 	ieee80211_hw_set(rt2x00dev->hw, AMPDU_AGGREGATION);
9166 	ieee80211_hw_set(rt2x00dev->hw, PS_NULLFUNC_STACK);
9167 	ieee80211_hw_set(rt2x00dev->hw, SIGNAL_DBM);
9168 	ieee80211_hw_set(rt2x00dev->hw, SUPPORTS_PS);
9169 
9170 	/*
9171 	 * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING for USB devices
9172 	 * unless we are capable of sending the buffered frames out after the
9173 	 * DTIM transmission using rt2x00lib_beacondone. This will send out
9174 	 * multicast and broadcast traffic immediately instead of buffering it
9175 	 * infinitly and thus dropping it after some time.
9176 	 */
9177 	if (!rt2x00_is_usb(rt2x00dev))
9178 		ieee80211_hw_set(rt2x00dev->hw, HOST_BROADCAST_PS_BUFFERING);
9179 
9180 	/* Set MFP if HW crypto is disabled. */
9181 	if (rt2800_hwcrypt_disabled(rt2x00dev))
9182 		ieee80211_hw_set(rt2x00dev->hw, MFP_CAPABLE);
9183 
9184 	SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
9185 	SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
9186 				rt2800_eeprom_addr(rt2x00dev,
9187 						   EEPROM_MAC_ADDR_0));
9188 
9189 	/*
9190 	 * As rt2800 has a global fallback table we cannot specify
9191 	 * more then one tx rate per frame but since the hw will
9192 	 * try several rates (based on the fallback table) we should
9193 	 * initialize max_report_rates to the maximum number of rates
9194 	 * we are going to try. Otherwise mac80211 will truncate our
9195 	 * reported tx rates and the rc algortihm will end up with
9196 	 * incorrect data.
9197 	 */
9198 	rt2x00dev->hw->max_rates = 1;
9199 	rt2x00dev->hw->max_report_rates = 7;
9200 	rt2x00dev->hw->max_rate_tries = 1;
9201 
9202 	/*
9203 	 * Initialize hw_mode information.
9204 	 */
9205 	spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
9206 
9207 	switch (rt2x00dev->chip.rf) {
9208 	case RF2720:
9209 	case RF2820:
9210 		spec->num_channels = 14;
9211 		spec->channels = rf_vals;
9212 		break;
9213 
9214 	case RF2750:
9215 	case RF2850:
9216 		spec->num_channels = ARRAY_SIZE(rf_vals);
9217 		spec->channels = rf_vals;
9218 		break;
9219 
9220 	case RF2020:
9221 	case RF3020:
9222 	case RF3021:
9223 	case RF3022:
9224 	case RF3070:
9225 	case RF3290:
9226 	case RF3320:
9227 	case RF3322:
9228 	case RF5350:
9229 	case RF5360:
9230 	case RF5362:
9231 	case RF5370:
9232 	case RF5372:
9233 	case RF5390:
9234 	case RF5392:
9235 		spec->num_channels = 14;
9236 		if (rt2800_clk_is_20mhz(rt2x00dev))
9237 			spec->channels = rf_vals_3x_xtal20;
9238 		else
9239 			spec->channels = rf_vals_3x;
9240 		break;
9241 
9242 	case RF7620:
9243 		spec->num_channels = ARRAY_SIZE(rf_vals_7620);
9244 		spec->channels = rf_vals_7620;
9245 		break;
9246 
9247 	case RF3052:
9248 	case RF3053:
9249 		spec->num_channels = ARRAY_SIZE(rf_vals_3x);
9250 		spec->channels = rf_vals_3x;
9251 		break;
9252 
9253 	case RF5592:
9254 		reg = rt2800_register_read(rt2x00dev, MAC_DEBUG_INDEX);
9255 		if (rt2x00_get_field32(reg, MAC_DEBUG_INDEX_XTAL)) {
9256 			spec->num_channels = ARRAY_SIZE(rf_vals_5592_xtal40);
9257 			spec->channels = rf_vals_5592_xtal40;
9258 		} else {
9259 			spec->num_channels = ARRAY_SIZE(rf_vals_5592_xtal20);
9260 			spec->channels = rf_vals_5592_xtal20;
9261 		}
9262 		break;
9263 	}
9264 
9265 	if (WARN_ON_ONCE(!spec->channels))
9266 		return -ENODEV;
9267 
9268 	spec->supported_bands = SUPPORT_BAND_2GHZ;
9269 	if (spec->num_channels > 14)
9270 		spec->supported_bands |= SUPPORT_BAND_5GHZ;
9271 
9272 	/*
9273 	 * Initialize HT information.
9274 	 */
9275 	if (!rt2x00_rf(rt2x00dev, RF2020))
9276 		spec->ht.ht_supported = true;
9277 	else
9278 		spec->ht.ht_supported = false;
9279 
9280 	spec->ht.cap =
9281 	    IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
9282 	    IEEE80211_HT_CAP_GRN_FLD |
9283 	    IEEE80211_HT_CAP_SGI_20 |
9284 	    IEEE80211_HT_CAP_SGI_40;
9285 
9286 	tx_chains = rt2x00dev->default_ant.tx_chain_num;
9287 	rx_chains = rt2x00dev->default_ant.rx_chain_num;
9288 
9289 	if (tx_chains >= 2)
9290 		spec->ht.cap |= IEEE80211_HT_CAP_TX_STBC;
9291 
9292 	spec->ht.cap |= rx_chains << IEEE80211_HT_CAP_RX_STBC_SHIFT;
9293 
9294 	spec->ht.ampdu_factor = (rx_chains > 1) ? 3 : 2;
9295 	spec->ht.ampdu_density = 4;
9296 	spec->ht.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
9297 	if (tx_chains != rx_chains) {
9298 		spec->ht.mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
9299 		spec->ht.mcs.tx_params |=
9300 		    (tx_chains - 1) << IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT;
9301 	}
9302 
9303 	switch (rx_chains) {
9304 	case 3:
9305 		spec->ht.mcs.rx_mask[2] = 0xff;
9306 	case 2:
9307 		spec->ht.mcs.rx_mask[1] = 0xff;
9308 	case 1:
9309 		spec->ht.mcs.rx_mask[0] = 0xff;
9310 		spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
9311 		break;
9312 	}
9313 
9314 	/*
9315 	 * Create channel information array
9316 	 */
9317 	info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
9318 	if (!info)
9319 		return -ENOMEM;
9320 
9321 	spec->channels_info = info;
9322 
9323 	default_power1 = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
9324 	default_power2 = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
9325 
9326 	if (rt2x00dev->default_ant.tx_chain_num > 2)
9327 		default_power3 = rt2800_eeprom_addr(rt2x00dev,
9328 						    EEPROM_EXT_TXPOWER_BG3);
9329 	else
9330 		default_power3 = NULL;
9331 
9332 	for (i = 0; i < 14; i++) {
9333 		info[i].default_power1 = default_power1[i];
9334 		info[i].default_power2 = default_power2[i];
9335 		if (default_power3)
9336 			info[i].default_power3 = default_power3[i];
9337 	}
9338 
9339 	if (spec->num_channels > 14) {
9340 		default_power1 = rt2800_eeprom_addr(rt2x00dev,
9341 						    EEPROM_TXPOWER_A1);
9342 		default_power2 = rt2800_eeprom_addr(rt2x00dev,
9343 						    EEPROM_TXPOWER_A2);
9344 
9345 		if (rt2x00dev->default_ant.tx_chain_num > 2)
9346 			default_power3 =
9347 				rt2800_eeprom_addr(rt2x00dev,
9348 						   EEPROM_EXT_TXPOWER_A3);
9349 		else
9350 			default_power3 = NULL;
9351 
9352 		for (i = 14; i < spec->num_channels; i++) {
9353 			info[i].default_power1 = default_power1[i - 14];
9354 			info[i].default_power2 = default_power2[i - 14];
9355 			if (default_power3)
9356 				info[i].default_power3 = default_power3[i - 14];
9357 		}
9358 	}
9359 
9360 	switch (rt2x00dev->chip.rf) {
9361 	case RF2020:
9362 	case RF3020:
9363 	case RF3021:
9364 	case RF3022:
9365 	case RF3320:
9366 	case RF3052:
9367 	case RF3053:
9368 	case RF3070:
9369 	case RF3290:
9370 	case RF5350:
9371 	case RF5360:
9372 	case RF5362:
9373 	case RF5370:
9374 	case RF5372:
9375 	case RF5390:
9376 	case RF5392:
9377 	case RF5592:
9378 	case RF7620:
9379 		__set_bit(CAPABILITY_VCO_RECALIBRATION, &rt2x00dev->cap_flags);
9380 		break;
9381 	}
9382 
9383 	return 0;
9384 }
9385 
rt2800_probe_rt(struct rt2x00_dev * rt2x00dev)9386 static int rt2800_probe_rt(struct rt2x00_dev *rt2x00dev)
9387 {
9388 	u32 reg;
9389 	u32 rt;
9390 	u32 rev;
9391 
9392 	if (rt2x00_rt(rt2x00dev, RT3290))
9393 		reg = rt2800_register_read(rt2x00dev, MAC_CSR0_3290);
9394 	else
9395 		reg = rt2800_register_read(rt2x00dev, MAC_CSR0);
9396 
9397 	rt = rt2x00_get_field32(reg, MAC_CSR0_CHIPSET);
9398 	rev = rt2x00_get_field32(reg, MAC_CSR0_REVISION);
9399 
9400 	switch (rt) {
9401 	case RT2860:
9402 	case RT2872:
9403 	case RT2883:
9404 	case RT3070:
9405 	case RT3071:
9406 	case RT3090:
9407 	case RT3290:
9408 	case RT3352:
9409 	case RT3390:
9410 	case RT3572:
9411 	case RT3593:
9412 	case RT5350:
9413 	case RT5390:
9414 	case RT5392:
9415 	case RT5592:
9416 		break;
9417 	default:
9418 		rt2x00_err(rt2x00dev, "Invalid RT chipset 0x%04x, rev %04x detected\n",
9419 			   rt, rev);
9420 		return -ENODEV;
9421 	}
9422 
9423 	if (rt == RT5390 && rt2x00_is_soc(rt2x00dev))
9424 		rt = RT6352;
9425 
9426 	rt2x00_set_rt(rt2x00dev, rt, rev);
9427 
9428 	return 0;
9429 }
9430 
rt2800_probe_hw(struct rt2x00_dev * rt2x00dev)9431 int rt2800_probe_hw(struct rt2x00_dev *rt2x00dev)
9432 {
9433 	int retval;
9434 	u32 reg;
9435 
9436 	retval = rt2800_probe_rt(rt2x00dev);
9437 	if (retval)
9438 		return retval;
9439 
9440 	/*
9441 	 * Allocate eeprom data.
9442 	 */
9443 	retval = rt2800_validate_eeprom(rt2x00dev);
9444 	if (retval)
9445 		return retval;
9446 
9447 	retval = rt2800_init_eeprom(rt2x00dev);
9448 	if (retval)
9449 		return retval;
9450 
9451 	/*
9452 	 * Enable rfkill polling by setting GPIO direction of the
9453 	 * rfkill switch GPIO pin correctly.
9454 	 */
9455 	reg = rt2800_register_read(rt2x00dev, GPIO_CTRL);
9456 	rt2x00_set_field32(&reg, GPIO_CTRL_DIR2, 1);
9457 	rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
9458 
9459 	/*
9460 	 * Initialize hw specifications.
9461 	 */
9462 	retval = rt2800_probe_hw_mode(rt2x00dev);
9463 	if (retval)
9464 		return retval;
9465 
9466 	/*
9467 	 * Set device capabilities.
9468 	 */
9469 	__set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
9470 	__set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
9471 	if (!rt2x00_is_usb(rt2x00dev))
9472 		__set_bit(CAPABILITY_PRE_TBTT_INTERRUPT, &rt2x00dev->cap_flags);
9473 
9474 	/*
9475 	 * Set device requirements.
9476 	 */
9477 	if (!rt2x00_is_soc(rt2x00dev))
9478 		__set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
9479 	__set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
9480 	__set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
9481 	if (!rt2800_hwcrypt_disabled(rt2x00dev))
9482 		__set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
9483 	__set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
9484 	__set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
9485 	if (rt2x00_is_usb(rt2x00dev))
9486 		__set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags);
9487 	else {
9488 		__set_bit(REQUIRE_DMA, &rt2x00dev->cap_flags);
9489 		__set_bit(REQUIRE_TASKLET_CONTEXT, &rt2x00dev->cap_flags);
9490 	}
9491 
9492 	/*
9493 	 * Set the rssi offset.
9494 	 */
9495 	rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
9496 
9497 	return 0;
9498 }
9499 EXPORT_SYMBOL_GPL(rt2800_probe_hw);
9500 
9501 /*
9502  * IEEE80211 stack callback functions.
9503  */
rt2800_get_key_seq(struct ieee80211_hw * hw,struct ieee80211_key_conf * key,struct ieee80211_key_seq * seq)9504 void rt2800_get_key_seq(struct ieee80211_hw *hw,
9505 			struct ieee80211_key_conf *key,
9506 			struct ieee80211_key_seq *seq)
9507 {
9508 	struct rt2x00_dev *rt2x00dev = hw->priv;
9509 	struct mac_iveiv_entry iveiv_entry;
9510 	u32 offset;
9511 
9512 	if (key->cipher != WLAN_CIPHER_SUITE_TKIP)
9513 		return;
9514 
9515 	offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
9516 	rt2800_register_multiread(rt2x00dev, offset,
9517 				      &iveiv_entry, sizeof(iveiv_entry));
9518 
9519 	memcpy(&seq->tkip.iv16, &iveiv_entry.iv[0], 2);
9520 	memcpy(&seq->tkip.iv32, &iveiv_entry.iv[4], 4);
9521 }
9522 EXPORT_SYMBOL_GPL(rt2800_get_key_seq);
9523 
rt2800_set_rts_threshold(struct ieee80211_hw * hw,u32 value)9524 int rt2800_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
9525 {
9526 	struct rt2x00_dev *rt2x00dev = hw->priv;
9527 	u32 reg;
9528 	bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
9529 
9530 	reg = rt2800_register_read(rt2x00dev, TX_RTS_CFG);
9531 	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
9532 	rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
9533 
9534 	reg = rt2800_register_read(rt2x00dev, CCK_PROT_CFG);
9535 	rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
9536 	rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
9537 
9538 	reg = rt2800_register_read(rt2x00dev, OFDM_PROT_CFG);
9539 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
9540 	rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
9541 
9542 	reg = rt2800_register_read(rt2x00dev, MM20_PROT_CFG);
9543 	rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
9544 	rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
9545 
9546 	reg = rt2800_register_read(rt2x00dev, MM40_PROT_CFG);
9547 	rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
9548 	rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
9549 
9550 	reg = rt2800_register_read(rt2x00dev, GF20_PROT_CFG);
9551 	rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
9552 	rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
9553 
9554 	reg = rt2800_register_read(rt2x00dev, GF40_PROT_CFG);
9555 	rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
9556 	rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
9557 
9558 	return 0;
9559 }
9560 EXPORT_SYMBOL_GPL(rt2800_set_rts_threshold);
9561 
rt2800_conf_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u16 queue_idx,const struct ieee80211_tx_queue_params * params)9562 int rt2800_conf_tx(struct ieee80211_hw *hw,
9563 		   struct ieee80211_vif *vif, u16 queue_idx,
9564 		   const struct ieee80211_tx_queue_params *params)
9565 {
9566 	struct rt2x00_dev *rt2x00dev = hw->priv;
9567 	struct data_queue *queue;
9568 	struct rt2x00_field32 field;
9569 	int retval;
9570 	u32 reg;
9571 	u32 offset;
9572 
9573 	/*
9574 	 * First pass the configuration through rt2x00lib, that will
9575 	 * update the queue settings and validate the input. After that
9576 	 * we are free to update the registers based on the value
9577 	 * in the queue parameter.
9578 	 */
9579 	retval = rt2x00mac_conf_tx(hw, vif, queue_idx, params);
9580 	if (retval)
9581 		return retval;
9582 
9583 	/*
9584 	 * We only need to perform additional register initialization
9585 	 * for WMM queues/
9586 	 */
9587 	if (queue_idx >= 4)
9588 		return 0;
9589 
9590 	queue = rt2x00queue_get_tx_queue(rt2x00dev, queue_idx);
9591 
9592 	/* Update WMM TXOP register */
9593 	offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
9594 	field.bit_offset = (queue_idx & 1) * 16;
9595 	field.bit_mask = 0xffff << field.bit_offset;
9596 
9597 	reg = rt2800_register_read(rt2x00dev, offset);
9598 	rt2x00_set_field32(&reg, field, queue->txop);
9599 	rt2800_register_write(rt2x00dev, offset, reg);
9600 
9601 	/* Update WMM registers */
9602 	field.bit_offset = queue_idx * 4;
9603 	field.bit_mask = 0xf << field.bit_offset;
9604 
9605 	reg = rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG);
9606 	rt2x00_set_field32(&reg, field, queue->aifs);
9607 	rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
9608 
9609 	reg = rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG);
9610 	rt2x00_set_field32(&reg, field, queue->cw_min);
9611 	rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
9612 
9613 	reg = rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG);
9614 	rt2x00_set_field32(&reg, field, queue->cw_max);
9615 	rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
9616 
9617 	/* Update EDCA registers */
9618 	offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
9619 
9620 	reg = rt2800_register_read(rt2x00dev, offset);
9621 	rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
9622 	rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
9623 	rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
9624 	rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
9625 	rt2800_register_write(rt2x00dev, offset, reg);
9626 
9627 	return 0;
9628 }
9629 EXPORT_SYMBOL_GPL(rt2800_conf_tx);
9630 
rt2800_get_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif)9631 u64 rt2800_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
9632 {
9633 	struct rt2x00_dev *rt2x00dev = hw->priv;
9634 	u64 tsf;
9635 	u32 reg;
9636 
9637 	reg = rt2800_register_read(rt2x00dev, TSF_TIMER_DW1);
9638 	tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
9639 	reg = rt2800_register_read(rt2x00dev, TSF_TIMER_DW0);
9640 	tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
9641 
9642 	return tsf;
9643 }
9644 EXPORT_SYMBOL_GPL(rt2800_get_tsf);
9645 
rt2800_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)9646 int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
9647 			struct ieee80211_ampdu_params *params)
9648 {
9649 	struct ieee80211_sta *sta = params->sta;
9650 	enum ieee80211_ampdu_mlme_action action = params->action;
9651 	u16 tid = params->tid;
9652 	struct rt2x00_sta *sta_priv = (struct rt2x00_sta *)sta->drv_priv;
9653 	int ret = 0;
9654 
9655 	/*
9656 	 * Don't allow aggregation for stations the hardware isn't aware
9657 	 * of because tx status reports for frames to an unknown station
9658 	 * always contain wcid=WCID_END+1 and thus we can't distinguish
9659 	 * between multiple stations which leads to unwanted situations
9660 	 * when the hw reorders frames due to aggregation.
9661 	 */
9662 	if (sta_priv->wcid > WCID_END)
9663 		return 1;
9664 
9665 	switch (action) {
9666 	case IEEE80211_AMPDU_RX_START:
9667 	case IEEE80211_AMPDU_RX_STOP:
9668 		/*
9669 		 * The hw itself takes care of setting up BlockAck mechanisms.
9670 		 * So, we only have to allow mac80211 to nagotiate a BlockAck
9671 		 * agreement. Once that is done, the hw will BlockAck incoming
9672 		 * AMPDUs without further setup.
9673 		 */
9674 		break;
9675 	case IEEE80211_AMPDU_TX_START:
9676 		ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
9677 		break;
9678 	case IEEE80211_AMPDU_TX_STOP_CONT:
9679 	case IEEE80211_AMPDU_TX_STOP_FLUSH:
9680 	case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
9681 		ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
9682 		break;
9683 	case IEEE80211_AMPDU_TX_OPERATIONAL:
9684 		break;
9685 	default:
9686 		rt2x00_warn((struct rt2x00_dev *)hw->priv,
9687 			    "Unknown AMPDU action\n");
9688 	}
9689 
9690 	return ret;
9691 }
9692 EXPORT_SYMBOL_GPL(rt2800_ampdu_action);
9693 
rt2800_get_survey(struct ieee80211_hw * hw,int idx,struct survey_info * survey)9694 int rt2800_get_survey(struct ieee80211_hw *hw, int idx,
9695 		      struct survey_info *survey)
9696 {
9697 	struct rt2x00_dev *rt2x00dev = hw->priv;
9698 	struct ieee80211_conf *conf = &hw->conf;
9699 	u32 idle, busy, busy_ext;
9700 
9701 	if (idx != 0)
9702 		return -ENOENT;
9703 
9704 	survey->channel = conf->chandef.chan;
9705 
9706 	idle = rt2800_register_read(rt2x00dev, CH_IDLE_STA);
9707 	busy = rt2800_register_read(rt2x00dev, CH_BUSY_STA);
9708 	busy_ext = rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC);
9709 
9710 	if (idle || busy) {
9711 		survey->filled = SURVEY_INFO_TIME |
9712 				 SURVEY_INFO_TIME_BUSY |
9713 				 SURVEY_INFO_TIME_EXT_BUSY;
9714 
9715 		survey->time = (idle + busy) / 1000;
9716 		survey->time_busy = busy / 1000;
9717 		survey->time_ext_busy = busy_ext / 1000;
9718 	}
9719 
9720 	if (!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL))
9721 		survey->filled |= SURVEY_INFO_IN_USE;
9722 
9723 	return 0;
9724 
9725 }
9726 EXPORT_SYMBOL_GPL(rt2800_get_survey);
9727 
9728 MODULE_AUTHOR(DRV_PROJECT ", Bartlomiej Zolnierkiewicz");
9729 MODULE_VERSION(DRV_VERSION);
9730 MODULE_DESCRIPTION("Ralink RT2800 library");
9731 MODULE_LICENSE("GPL");
9732