1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * av7110_hw.c: av7110 low level hardware access and firmware interface
4  *
5  * Copyright (C) 1999-2002 Ralph  Metzler
6  *                       & Marcus Metzler for convergence integrated media GmbH
7  *
8  * originally based on code by:
9  * Copyright (C) 1998,1999 Christian Theiss <mistert@rz.fh-augsburg.de>
10  *
11  * the project's page is at https://linuxtv.org
12  */
13 
14 /* for debugging ARM communication: */
15 //#define COM_DEBUG
16 
17 #include <linux/types.h>
18 #include <linux/kernel.h>
19 #include <linux/string.h>
20 #include <linux/delay.h>
21 #include <linux/fs.h>
22 
23 #include "av7110.h"
24 #include "av7110_hw.h"
25 
26 #define _NOHANDSHAKE
27 
28 /*
29  * Max transfer size done by av7110_fw_cmd()
30  *
31  * The maximum size passed to this function is 6 bytes. The buffer also
32  * uses two additional ones for type and size. So, 8 bytes is enough.
33  */
34 #define MAX_XFER_SIZE  8
35 
36 /****************************************************************************
37  * DEBI functions
38  ****************************************************************************/
39 
40 /* This DEBI code is based on the Stradis driver
41    by Nathan Laredo <laredo@gnu.org> */
42 
av7110_debiwrite(struct av7110 * av7110,u32 config,int addr,u32 val,unsigned int count)43 int av7110_debiwrite(struct av7110 *av7110, u32 config,
44 		     int addr, u32 val, unsigned int count)
45 {
46 	struct saa7146_dev *dev = av7110->dev;
47 
48 	if (count > 32764) {
49 		printk("%s: invalid count %d\n", __func__, count);
50 		return -1;
51 	}
52 	if (saa7146_wait_for_debi_done(av7110->dev, 0) < 0) {
53 		printk("%s: wait_for_debi_done failed\n", __func__);
54 		return -1;
55 	}
56 	saa7146_write(dev, DEBI_CONFIG, config);
57 	if (count <= 4)		/* immediate transfer */
58 		saa7146_write(dev, DEBI_AD, val);
59 	else			/* block transfer */
60 		saa7146_write(dev, DEBI_AD, av7110->debi_bus);
61 	saa7146_write(dev, DEBI_COMMAND, (count << 17) | (addr & 0xffff));
62 	saa7146_write(dev, MC2, (2 << 16) | 2);
63 	return 0;
64 }
65 
av7110_debiread(struct av7110 * av7110,u32 config,int addr,unsigned int count)66 u32 av7110_debiread(struct av7110 *av7110, u32 config, int addr, unsigned int count)
67 {
68 	struct saa7146_dev *dev = av7110->dev;
69 	u32 result = 0;
70 
71 	if (count > 32764) {
72 		printk("%s: invalid count %d\n", __func__, count);
73 		return 0;
74 	}
75 	if (saa7146_wait_for_debi_done(av7110->dev, 0) < 0) {
76 		printk("%s: wait_for_debi_done #1 failed\n", __func__);
77 		return 0;
78 	}
79 	saa7146_write(dev, DEBI_AD, av7110->debi_bus);
80 	saa7146_write(dev, DEBI_COMMAND, (count << 17) | 0x10000 | (addr & 0xffff));
81 
82 	saa7146_write(dev, DEBI_CONFIG, config);
83 	saa7146_write(dev, MC2, (2 << 16) | 2);
84 	if (count > 4)
85 		return count;
86 	if (saa7146_wait_for_debi_done(av7110->dev, 0) < 0) {
87 		printk("%s: wait_for_debi_done #2 failed\n", __func__);
88 		return 0;
89 	}
90 
91 	result = saa7146_read(dev, DEBI_AD);
92 	result &= (0xffffffffUL >> ((4 - count) * 8));
93 	return result;
94 }
95 
96 
97 
98 /* av7110 ARM core boot stuff */
99 #if 0
100 void av7110_reset_arm(struct av7110 *av7110)
101 {
102 	saa7146_setgpio(av7110->dev, RESET_LINE, SAA7146_GPIO_OUTLO);
103 
104 	/* Disable DEBI and GPIO irq */
105 	SAA7146_IER_DISABLE(av7110->dev, MASK_19 | MASK_03);
106 	SAA7146_ISR_CLEAR(av7110->dev, MASK_19 | MASK_03);
107 
108 	saa7146_setgpio(av7110->dev, RESET_LINE, SAA7146_GPIO_OUTHI);
109 	msleep(30);	/* the firmware needs some time to initialize */
110 
111 	ARM_ResetMailBox(av7110);
112 
113 	SAA7146_ISR_CLEAR(av7110->dev, MASK_19 | MASK_03);
114 	SAA7146_IER_ENABLE(av7110->dev, MASK_03);
115 
116 	av7110->arm_ready = 1;
117 	dprintk(1, "reset ARM\n");
118 }
119 #endif  /*  0  */
120 
waitdebi(struct av7110 * av7110,int adr,int state)121 static int waitdebi(struct av7110 *av7110, int adr, int state)
122 {
123 	int k;
124 
125 	dprintk(4, "%p\n", av7110);
126 
127 	for (k = 0; k < 100; k++) {
128 		if (irdebi(av7110, DEBINOSWAP, adr, 0, 2) == state)
129 			return 0;
130 		udelay(5);
131 	}
132 	return -ETIMEDOUT;
133 }
134 
load_dram(struct av7110 * av7110,u32 * data,int len)135 static int load_dram(struct av7110 *av7110, u32 *data, int len)
136 {
137 	int i;
138 	int blocks, rest;
139 	u32 base, bootblock = AV7110_BOOT_BLOCK;
140 
141 	dprintk(4, "%p\n", av7110);
142 
143 	blocks = len / AV7110_BOOT_MAX_SIZE;
144 	rest = len % AV7110_BOOT_MAX_SIZE;
145 	base = DRAM_START_CODE;
146 
147 	for (i = 0; i < blocks; i++) {
148 		if (waitdebi(av7110, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_EMPTY) < 0) {
149 			printk(KERN_ERR "dvb-ttpci: load_dram(): timeout at block %d\n", i);
150 			return -ETIMEDOUT;
151 		}
152 		dprintk(4, "writing DRAM block %d\n", i);
153 		mwdebi(av7110, DEBISWAB, bootblock,
154 		       ((u8 *)data) + i * AV7110_BOOT_MAX_SIZE, AV7110_BOOT_MAX_SIZE);
155 		bootblock ^= 0x1400;
156 		iwdebi(av7110, DEBISWAB, AV7110_BOOT_BASE, swab32(base), 4);
157 		iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_SIZE, AV7110_BOOT_MAX_SIZE, 2);
158 		iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);
159 		base += AV7110_BOOT_MAX_SIZE;
160 	}
161 
162 	if (rest > 0) {
163 		if (waitdebi(av7110, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_EMPTY) < 0) {
164 			printk(KERN_ERR "dvb-ttpci: load_dram(): timeout at last block\n");
165 			return -ETIMEDOUT;
166 		}
167 		if (rest > 4)
168 			mwdebi(av7110, DEBISWAB, bootblock,
169 			       ((u8 *)data) + i * AV7110_BOOT_MAX_SIZE, rest);
170 		else
171 			mwdebi(av7110, DEBISWAB, bootblock,
172 			       ((u8 *)data) + i * AV7110_BOOT_MAX_SIZE - 4, rest + 4);
173 
174 		iwdebi(av7110, DEBISWAB, AV7110_BOOT_BASE, swab32(base), 4);
175 		iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_SIZE, rest, 2);
176 		iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);
177 	}
178 	if (waitdebi(av7110, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_EMPTY) < 0) {
179 		printk(KERN_ERR "dvb-ttpci: load_dram(): timeout after last block\n");
180 		return -ETIMEDOUT;
181 	}
182 	iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_SIZE, 0, 2);
183 	iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);
184 	if (waitdebi(av7110, AV7110_BOOT_STATE, BOOTSTATE_AV7110_BOOT_COMPLETE) < 0) {
185 		printk(KERN_ERR "dvb-ttpci: load_dram(): final handshake timeout\n");
186 		return -ETIMEDOUT;
187 	}
188 	return 0;
189 }
190 
191 
192 /* we cannot write av7110 DRAM directly, so load a bootloader into
193  * the DPRAM which implements a simple boot protocol */
av7110_bootarm(struct av7110 * av7110)194 int av7110_bootarm(struct av7110 *av7110)
195 {
196 	const struct firmware *fw;
197 	const char *fw_name = "av7110/bootcode.bin";
198 	struct saa7146_dev *dev = av7110->dev;
199 	u32 ret;
200 	int i;
201 
202 	dprintk(4, "%p\n", av7110);
203 
204 	av7110->arm_ready = 0;
205 
206 	saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTLO);
207 
208 	/* Disable DEBI and GPIO irq */
209 	SAA7146_IER_DISABLE(av7110->dev, MASK_03 | MASK_19);
210 	SAA7146_ISR_CLEAR(av7110->dev, MASK_19 | MASK_03);
211 
212 	/* enable DEBI */
213 	saa7146_write(av7110->dev, MC1, 0x08800880);
214 	saa7146_write(av7110->dev, DD1_STREAM_B, 0x00000000);
215 	saa7146_write(av7110->dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
216 
217 	/* test DEBI */
218 	iwdebi(av7110, DEBISWAP, DPRAM_BASE, 0x76543210, 4);
219 	/* FIXME: Why does Nexus CA require 2x iwdebi for first init? */
220 	iwdebi(av7110, DEBISWAP, DPRAM_BASE, 0x76543210, 4);
221 
222 	if ((ret=irdebi(av7110, DEBINOSWAP, DPRAM_BASE, 0, 4)) != 0x10325476) {
223 		printk(KERN_ERR "dvb-ttpci: debi test in av7110_bootarm() failed: %08x != %08x (check your BIOS 'Plug&Play OS' settings)\n",
224 		       ret, 0x10325476);
225 		return -1;
226 	}
227 	for (i = 0; i < 8192; i += 4)
228 		iwdebi(av7110, DEBISWAP, DPRAM_BASE + i, 0x00, 4);
229 	dprintk(2, "debi test OK\n");
230 
231 	/* boot */
232 	dprintk(1, "load boot code\n");
233 	saa7146_setgpio(dev, ARM_IRQ_LINE, SAA7146_GPIO_IRQLO);
234 	//saa7146_setgpio(dev, DEBI_DONE_LINE, SAA7146_GPIO_INPUT);
235 	//saa7146_setgpio(dev, 3, SAA7146_GPIO_INPUT);
236 
237 	ret = request_firmware(&fw, fw_name, &dev->pci->dev);
238 	if (ret) {
239 		printk(KERN_ERR "dvb-ttpci: Failed to load firmware \"%s\"\n",
240 			fw_name);
241 		return ret;
242 	}
243 
244 	mwdebi(av7110, DEBISWAB, DPRAM_BASE, fw->data, fw->size);
245 	release_firmware(fw);
246 	iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);
247 
248 	if (saa7146_wait_for_debi_done(av7110->dev, 1)) {
249 		printk(KERN_ERR "dvb-ttpci: av7110_bootarm(): saa7146_wait_for_debi_done() timed out\n");
250 		return -ETIMEDOUT;
251 	}
252 	saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTHI);
253 	mdelay(1);
254 
255 	dprintk(1, "load dram code\n");
256 	if (load_dram(av7110, (u32 *)av7110->bin_root, av7110->size_root) < 0) {
257 		printk(KERN_ERR "dvb-ttpci: av7110_bootarm(): load_dram() failed\n");
258 		return -1;
259 	}
260 
261 	saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTLO);
262 	mdelay(1);
263 
264 	dprintk(1, "load dpram code\n");
265 	mwdebi(av7110, DEBISWAB, DPRAM_BASE, av7110->bin_dpram, av7110->size_dpram);
266 
267 	if (saa7146_wait_for_debi_done(av7110->dev, 1)) {
268 		printk(KERN_ERR "dvb-ttpci: av7110_bootarm(): saa7146_wait_for_debi_done() timed out after loading DRAM\n");
269 		return -ETIMEDOUT;
270 	}
271 	saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTHI);
272 	msleep(30);	/* the firmware needs some time to initialize */
273 
274 	//ARM_ClearIrq(av7110);
275 	ARM_ResetMailBox(av7110);
276 	SAA7146_ISR_CLEAR(av7110->dev, MASK_19 | MASK_03);
277 	SAA7146_IER_ENABLE(av7110->dev, MASK_03);
278 
279 	av7110->arm_errors = 0;
280 	av7110->arm_ready = 1;
281 	return 0;
282 }
283 MODULE_FIRMWARE("av7110/bootcode.bin");
284 
285 /****************************************************************************
286  * DEBI command polling
287  ****************************************************************************/
288 
av7110_wait_msgstate(struct av7110 * av7110,u16 flags)289 int av7110_wait_msgstate(struct av7110 *av7110, u16 flags)
290 {
291 	unsigned long start;
292 	u32 stat;
293 	int err;
294 
295 	if (FW_VERSION(av7110->arm_app) <= 0x261c) {
296 		/* not supported by old firmware */
297 		msleep(50);
298 		return 0;
299 	}
300 
301 	/* new firmware */
302 	start = jiffies;
303 	for (;;) {
304 		err = time_after(jiffies, start + ARM_WAIT_FREE);
305 		if (mutex_lock_interruptible(&av7110->dcomlock))
306 			return -ERESTARTSYS;
307 		stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
308 		mutex_unlock(&av7110->dcomlock);
309 		if ((stat & flags) == 0)
310 			break;
311 		if (err) {
312 			printk(KERN_ERR "%s: timeout waiting for MSGSTATE %04x\n",
313 				__func__, stat & flags);
314 			return -ETIMEDOUT;
315 		}
316 		msleep(1);
317 	}
318 	return 0;
319 }
320 
__av7110_send_fw_cmd(struct av7110 * av7110,u16 * buf,int length)321 static int __av7110_send_fw_cmd(struct av7110 *av7110, u16* buf, int length)
322 {
323 	int i;
324 	unsigned long start;
325 	char *type = NULL;
326 	u16 flags[2] = {0, 0};
327 	u32 stat;
328 	int err;
329 
330 //	dprintk(4, "%p\n", av7110);
331 
332 	if (!av7110->arm_ready) {
333 		dprintk(1, "arm not ready.\n");
334 		return -ENXIO;
335 	}
336 
337 	start = jiffies;
338 	while (1) {
339 		err = time_after(jiffies, start + ARM_WAIT_FREE);
340 		if (rdebi(av7110, DEBINOSWAP, COMMAND, 0, 2) == 0)
341 			break;
342 		if (err) {
343 			printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for COMMAND idle\n", __func__);
344 			av7110->arm_errors++;
345 			return -ETIMEDOUT;
346 		}
347 		msleep(1);
348 	}
349 
350 	if (FW_VERSION(av7110->arm_app) <= 0x261f)
351 		wdebi(av7110, DEBINOSWAP, COM_IF_LOCK, 0xffff, 2);
352 
353 #ifndef _NOHANDSHAKE
354 	start = jiffies;
355 	while (1) {
356 		err = time_after(jiffies, start + ARM_WAIT_SHAKE);
357 		if (rdebi(av7110, DEBINOSWAP, HANDSHAKE_REG, 0, 2) == 0)
358 			break;
359 		if (err) {
360 			printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for HANDSHAKE_REG\n", __func__);
361 			return -ETIMEDOUT;
362 		}
363 		msleep(1);
364 	}
365 #endif
366 
367 	switch ((buf[0] >> 8) & 0xff) {
368 	case COMTYPE_PIDFILTER:
369 	case COMTYPE_ENCODER:
370 	case COMTYPE_REC_PLAY:
371 	case COMTYPE_MPEGDECODER:
372 		type = "MSG";
373 		flags[0] = GPMQOver;
374 		flags[1] = GPMQFull;
375 		break;
376 	case COMTYPE_OSD:
377 		type = "OSD";
378 		flags[0] = OSDQOver;
379 		flags[1] = OSDQFull;
380 		break;
381 	case COMTYPE_MISC:
382 		if (FW_VERSION(av7110->arm_app) >= 0x261d) {
383 			type = "MSG";
384 			flags[0] = GPMQOver;
385 			flags[1] = GPMQBusy;
386 		}
387 		break;
388 	default:
389 		break;
390 	}
391 
392 	if (type != NULL) {
393 		/* non-immediate COMMAND type */
394 		start = jiffies;
395 		for (;;) {
396 			err = time_after(jiffies, start + ARM_WAIT_FREE);
397 			stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
398 			if (stat & flags[0]) {
399 				printk(KERN_ERR "%s: %s QUEUE overflow\n",
400 					__func__, type);
401 				return -1;
402 			}
403 			if ((stat & flags[1]) == 0)
404 				break;
405 			if (err) {
406 				printk(KERN_ERR "%s: timeout waiting on busy %s QUEUE\n",
407 					__func__, type);
408 				av7110->arm_errors++;
409 				return -ETIMEDOUT;
410 			}
411 			msleep(1);
412 		}
413 	}
414 
415 	for (i = 2; i < length; i++)
416 		wdebi(av7110, DEBINOSWAP, COMMAND + 2 * i, (u32) buf[i], 2);
417 
418 	if (length)
419 		wdebi(av7110, DEBINOSWAP, COMMAND + 2, (u32) buf[1], 2);
420 	else
421 		wdebi(av7110, DEBINOSWAP, COMMAND + 2, 0, 2);
422 
423 	wdebi(av7110, DEBINOSWAP, COMMAND, (u32) buf[0], 2);
424 
425 	if (FW_VERSION(av7110->arm_app) <= 0x261f)
426 		wdebi(av7110, DEBINOSWAP, COM_IF_LOCK, 0x0000, 2);
427 
428 #ifdef COM_DEBUG
429 	start = jiffies;
430 	while (1) {
431 		err = time_after(jiffies, start + ARM_WAIT_FREE);
432 		if (rdebi(av7110, DEBINOSWAP, COMMAND, 0, 2) == 0)
433 			break;
434 		if (err) {
435 			printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for COMMAND %d to complete\n",
436 			       __func__, (buf[0] >> 8) & 0xff);
437 			return -ETIMEDOUT;
438 		}
439 		msleep(1);
440 	}
441 
442 	stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
443 	if (stat & GPMQOver) {
444 		printk(KERN_ERR "dvb-ttpci: %s(): GPMQOver\n", __func__);
445 		return -ENOSPC;
446 	}
447 	else if (stat & OSDQOver) {
448 		printk(KERN_ERR "dvb-ttpci: %s(): OSDQOver\n", __func__);
449 		return -ENOSPC;
450 	}
451 #endif
452 
453 	return 0;
454 }
455 
av7110_send_fw_cmd(struct av7110 * av7110,u16 * buf,int length)456 static int av7110_send_fw_cmd(struct av7110 *av7110, u16* buf, int length)
457 {
458 	int ret;
459 
460 //	dprintk(4, "%p\n", av7110);
461 
462 	if (!av7110->arm_ready) {
463 		dprintk(1, "arm not ready.\n");
464 		return -1;
465 	}
466 	if (mutex_lock_interruptible(&av7110->dcomlock))
467 		return -ERESTARTSYS;
468 
469 	ret = __av7110_send_fw_cmd(av7110, buf, length);
470 	mutex_unlock(&av7110->dcomlock);
471 	if (ret && ret!=-ERESTARTSYS)
472 		printk(KERN_ERR "dvb-ttpci: %s(): av7110_send_fw_cmd error %d\n",
473 		       __func__, ret);
474 	return ret;
475 }
476 
av7110_fw_cmd(struct av7110 * av7110,int type,int com,int num,...)477 int av7110_fw_cmd(struct av7110 *av7110, int type, int com, int num, ...)
478 {
479 	va_list args;
480 	u16 buf[MAX_XFER_SIZE];
481 	int i, ret;
482 
483 //	dprintk(4, "%p\n", av7110);
484 
485 	if (2 + num > ARRAY_SIZE(buf)) {
486 		printk(KERN_WARNING
487 		       "%s: %s len=%d is too big!\n",
488 		       KBUILD_MODNAME, __func__, num);
489 		return -EINVAL;
490 	}
491 
492 	buf[0] = ((type << 8) | com);
493 	buf[1] = num;
494 
495 	if (num) {
496 		va_start(args, num);
497 		for (i = 0; i < num; i++)
498 			buf[i + 2] = va_arg(args, u32);
499 		va_end(args);
500 	}
501 
502 	ret = av7110_send_fw_cmd(av7110, buf, num + 2);
503 	if (ret && ret != -ERESTARTSYS)
504 		printk(KERN_ERR "dvb-ttpci: av7110_fw_cmd error %d\n", ret);
505 	return ret;
506 }
507 
508 #if 0
509 int av7110_send_ci_cmd(struct av7110 *av7110, u8 subcom, u8 *buf, u8 len)
510 {
511 	int i, ret;
512 	u16 cmd[18] = { ((COMTYPE_COMMON_IF << 8) + subcom),
513 		16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
514 
515 	dprintk(4, "%p\n", av7110);
516 
517 	for(i = 0; i < len && i < 32; i++)
518 	{
519 		if(i % 2 == 0)
520 			cmd[(i / 2) + 2] = (u16)(buf[i]) << 8;
521 		else
522 			cmd[(i / 2) + 2] |= buf[i];
523 	}
524 
525 	ret = av7110_send_fw_cmd(av7110, cmd, 18);
526 	if (ret && ret != -ERESTARTSYS)
527 		printk(KERN_ERR "dvb-ttpci: av7110_send_ci_cmd error %d\n", ret);
528 	return ret;
529 }
530 #endif  /*  0  */
531 
av7110_fw_request(struct av7110 * av7110,u16 * request_buf,int request_buf_len,u16 * reply_buf,int reply_buf_len)532 int av7110_fw_request(struct av7110 *av7110, u16 *request_buf,
533 		      int request_buf_len, u16 *reply_buf, int reply_buf_len)
534 {
535 	int err;
536 	s16 i;
537 	unsigned long start;
538 #ifdef COM_DEBUG
539 	u32 stat;
540 #endif
541 
542 	dprintk(4, "%p\n", av7110);
543 
544 	if (!av7110->arm_ready) {
545 		dprintk(1, "arm not ready.\n");
546 		return -1;
547 	}
548 
549 	if (mutex_lock_interruptible(&av7110->dcomlock))
550 		return -ERESTARTSYS;
551 
552 	if ((err = __av7110_send_fw_cmd(av7110, request_buf, request_buf_len)) < 0) {
553 		mutex_unlock(&av7110->dcomlock);
554 		printk(KERN_ERR "dvb-ttpci: av7110_fw_request error %d\n", err);
555 		return err;
556 	}
557 
558 	start = jiffies;
559 	while (1) {
560 		err = time_after(jiffies, start + ARM_WAIT_FREE);
561 		if (rdebi(av7110, DEBINOSWAP, COMMAND, 0, 2) == 0)
562 			break;
563 		if (err) {
564 			printk(KERN_ERR "%s: timeout waiting for COMMAND to complete\n", __func__);
565 			mutex_unlock(&av7110->dcomlock);
566 			return -ETIMEDOUT;
567 		}
568 #ifdef _NOHANDSHAKE
569 		msleep(1);
570 #endif
571 	}
572 
573 #ifndef _NOHANDSHAKE
574 	start = jiffies;
575 	while (1) {
576 		err = time_after(jiffies, start + ARM_WAIT_SHAKE);
577 		if (rdebi(av7110, DEBINOSWAP, HANDSHAKE_REG, 0, 2) == 0)
578 			break;
579 		if (err) {
580 			printk(KERN_ERR "%s: timeout waiting for HANDSHAKE_REG\n", __func__);
581 			mutex_unlock(&av7110->dcomlock);
582 			return -ETIMEDOUT;
583 		}
584 		msleep(1);
585 	}
586 #endif
587 
588 #ifdef COM_DEBUG
589 	stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
590 	if (stat & GPMQOver) {
591 		printk(KERN_ERR "%s: GPMQOver\n", __func__);
592 		mutex_unlock(&av7110->dcomlock);
593 		return -1;
594 	}
595 	else if (stat & OSDQOver) {
596 		printk(KERN_ERR "%s: OSDQOver\n", __func__);
597 		mutex_unlock(&av7110->dcomlock);
598 		return -1;
599 	}
600 #endif
601 
602 	for (i = 0; i < reply_buf_len; i++)
603 		reply_buf[i] = rdebi(av7110, DEBINOSWAP, COM_BUFF + 2 * i, 0, 2);
604 
605 	mutex_unlock(&av7110->dcomlock);
606 	return 0;
607 }
608 
av7110_fw_query(struct av7110 * av7110,u16 tag,u16 * buf,s16 length)609 static int av7110_fw_query(struct av7110 *av7110, u16 tag, u16* buf, s16 length)
610 {
611 	int ret;
612 	ret = av7110_fw_request(av7110, &tag, 0, buf, length);
613 	if (ret)
614 		printk(KERN_ERR "dvb-ttpci: av7110_fw_query error %d\n", ret);
615 	return ret;
616 }
617 
618 
619 /****************************************************************************
620  * Firmware commands
621  ****************************************************************************/
622 
623 /* get version of the firmware ROM, RTSL, video ucode and ARM application  */
av7110_firmversion(struct av7110 * av7110)624 int av7110_firmversion(struct av7110 *av7110)
625 {
626 	u16 buf[20];
627 	u16 tag = ((COMTYPE_REQUEST << 8) + ReqVersion);
628 
629 	dprintk(4, "%p\n", av7110);
630 
631 	if (av7110_fw_query(av7110, tag, buf, 16)) {
632 		printk("dvb-ttpci: failed to boot firmware @ card %d\n",
633 		       av7110->dvb_adapter.num);
634 		return -EIO;
635 	}
636 
637 	av7110->arm_fw = (buf[0] << 16) + buf[1];
638 	av7110->arm_rtsl = (buf[2] << 16) + buf[3];
639 	av7110->arm_vid = (buf[4] << 16) + buf[5];
640 	av7110->arm_app = (buf[6] << 16) + buf[7];
641 	av7110->avtype = (buf[8] << 16) + buf[9];
642 
643 	printk("dvb-ttpci: info @ card %d: firm %08x, rtsl %08x, vid %08x, app %08x\n",
644 	       av7110->dvb_adapter.num, av7110->arm_fw,
645 	       av7110->arm_rtsl, av7110->arm_vid, av7110->arm_app);
646 
647 	/* print firmware capabilities */
648 	if (FW_CI_LL_SUPPORT(av7110->arm_app))
649 		printk("dvb-ttpci: firmware @ card %d supports CI link layer interface\n",
650 		       av7110->dvb_adapter.num);
651 	else
652 		printk("dvb-ttpci: no firmware support for CI link layer interface @ card %d\n",
653 		       av7110->dvb_adapter.num);
654 
655 	return 0;
656 }
657 
658 
av7110_diseqc_send(struct av7110 * av7110,int len,u8 * msg,unsigned long burst)659 int av7110_diseqc_send(struct av7110 *av7110, int len, u8 *msg, unsigned long burst)
660 {
661 	int i, ret;
662 	u16 buf[18] = { ((COMTYPE_AUDIODAC << 8) + SendDiSEqC),
663 			16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
664 
665 	dprintk(4, "%p\n", av7110);
666 
667 	if (len > 10)
668 		len = 10;
669 
670 	buf[1] = len + 2;
671 	buf[2] = len;
672 
673 	if (burst != -1)
674 		buf[3] = burst ? 0x01 : 0x00;
675 	else
676 		buf[3] = 0xffff;
677 
678 	for (i = 0; i < len; i++)
679 		buf[i + 4] = msg[i];
680 
681 	ret = av7110_send_fw_cmd(av7110, buf, 18);
682 	if (ret && ret!=-ERESTARTSYS)
683 		printk(KERN_ERR "dvb-ttpci: av7110_diseqc_send error %d\n", ret);
684 	return ret;
685 }
686 
687 
688 #ifdef CONFIG_DVB_AV7110_OSD
689 
SetColorBlend(struct av7110 * av7110,u8 windownr)690 static inline int SetColorBlend(struct av7110 *av7110, u8 windownr)
691 {
692 	return av7110_fw_cmd(av7110, COMTYPE_OSD, SetCBlend, 1, windownr);
693 }
694 
SetBlend_(struct av7110 * av7110,u8 windownr,enum av7110_osd_palette_type colordepth,u16 index,u8 blending)695 static inline int SetBlend_(struct av7110 *av7110, u8 windownr,
696 		     enum av7110_osd_palette_type colordepth, u16 index, u8 blending)
697 {
698 	return av7110_fw_cmd(av7110, COMTYPE_OSD, SetBlend, 4,
699 			     windownr, colordepth, index, blending);
700 }
701 
SetColor_(struct av7110 * av7110,u8 windownr,enum av7110_osd_palette_type colordepth,u16 index,u16 colorhi,u16 colorlo)702 static inline int SetColor_(struct av7110 *av7110, u8 windownr,
703 		     enum av7110_osd_palette_type colordepth, u16 index, u16 colorhi, u16 colorlo)
704 {
705 	return av7110_fw_cmd(av7110, COMTYPE_OSD, SetColor, 5,
706 			     windownr, colordepth, index, colorhi, colorlo);
707 }
708 
SetFont(struct av7110 * av7110,u8 windownr,u8 fontsize,u16 colorfg,u16 colorbg)709 static inline int SetFont(struct av7110 *av7110, u8 windownr, u8 fontsize,
710 			  u16 colorfg, u16 colorbg)
711 {
712 	return av7110_fw_cmd(av7110, COMTYPE_OSD, Set_Font, 4,
713 			     windownr, fontsize, colorfg, colorbg);
714 }
715 
FlushText(struct av7110 * av7110)716 static int FlushText(struct av7110 *av7110)
717 {
718 	unsigned long start;
719 	int err;
720 
721 	if (mutex_lock_interruptible(&av7110->dcomlock))
722 		return -ERESTARTSYS;
723 	start = jiffies;
724 	while (1) {
725 		err = time_after(jiffies, start + ARM_WAIT_OSD);
726 		if (rdebi(av7110, DEBINOSWAP, BUFF1_BASE, 0, 2) == 0)
727 			break;
728 		if (err) {
729 			printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for BUFF1_BASE == 0\n",
730 			       __func__);
731 			mutex_unlock(&av7110->dcomlock);
732 			return -ETIMEDOUT;
733 		}
734 		msleep(1);
735 	}
736 	mutex_unlock(&av7110->dcomlock);
737 	return 0;
738 }
739 
WriteText(struct av7110 * av7110,u8 win,u16 x,u16 y,char * buf)740 static int WriteText(struct av7110 *av7110, u8 win, u16 x, u16 y, char *buf)
741 {
742 	int i, ret;
743 	unsigned long start;
744 	int length = strlen(buf) + 1;
745 	u16 cbuf[5] = { (COMTYPE_OSD << 8) + DText, 3, win, x, y };
746 
747 	if (mutex_lock_interruptible(&av7110->dcomlock))
748 		return -ERESTARTSYS;
749 
750 	start = jiffies;
751 	while (1) {
752 		ret = time_after(jiffies, start + ARM_WAIT_OSD);
753 		if (rdebi(av7110, DEBINOSWAP, BUFF1_BASE, 0, 2) == 0)
754 			break;
755 		if (ret) {
756 			printk(KERN_ERR "dvb-ttpci: %s: timeout waiting for BUFF1_BASE == 0\n",
757 			       __func__);
758 			mutex_unlock(&av7110->dcomlock);
759 			return -ETIMEDOUT;
760 		}
761 		msleep(1);
762 	}
763 #ifndef _NOHANDSHAKE
764 	start = jiffies;
765 	while (1) {
766 		ret = time_after(jiffies, start + ARM_WAIT_SHAKE);
767 		if (rdebi(av7110, DEBINOSWAP, HANDSHAKE_REG, 0, 2) == 0)
768 			break;
769 		if (ret) {
770 			printk(KERN_ERR "dvb-ttpci: %s: timeout waiting for HANDSHAKE_REG\n",
771 			       __func__);
772 			mutex_unlock(&av7110->dcomlock);
773 			return -ETIMEDOUT;
774 		}
775 		msleep(1);
776 	}
777 #endif
778 	for (i = 0; i < length / 2; i++)
779 		wdebi(av7110, DEBINOSWAP, BUFF1_BASE + i * 2,
780 		      swab16(*(u16 *)(buf + 2 * i)), 2);
781 	if (length & 1)
782 		wdebi(av7110, DEBINOSWAP, BUFF1_BASE + i * 2, 0, 2);
783 	ret = __av7110_send_fw_cmd(av7110, cbuf, 5);
784 	mutex_unlock(&av7110->dcomlock);
785 	if (ret && ret!=-ERESTARTSYS)
786 		printk(KERN_ERR "dvb-ttpci: WriteText error %d\n", ret);
787 	return ret;
788 }
789 
DrawLine(struct av7110 * av7110,u8 windownr,u16 x,u16 y,u16 dx,u16 dy,u16 color)790 static inline int DrawLine(struct av7110 *av7110, u8 windownr,
791 			   u16 x, u16 y, u16 dx, u16 dy, u16 color)
792 {
793 	return av7110_fw_cmd(av7110, COMTYPE_OSD, DLine, 6,
794 			     windownr, x, y, dx, dy, color);
795 }
796 
DrawBlock(struct av7110 * av7110,u8 windownr,u16 x,u16 y,u16 dx,u16 dy,u16 color)797 static inline int DrawBlock(struct av7110 *av7110, u8 windownr,
798 			    u16 x, u16 y, u16 dx, u16 dy, u16 color)
799 {
800 	return av7110_fw_cmd(av7110, COMTYPE_OSD, DBox, 6,
801 			     windownr, x, y, dx, dy, color);
802 }
803 
HideWindow(struct av7110 * av7110,u8 windownr)804 static inline int HideWindow(struct av7110 *av7110, u8 windownr)
805 {
806 	return av7110_fw_cmd(av7110, COMTYPE_OSD, WHide, 1, windownr);
807 }
808 
MoveWindowRel(struct av7110 * av7110,u8 windownr,u16 x,u16 y)809 static inline int MoveWindowRel(struct av7110 *av7110, u8 windownr, u16 x, u16 y)
810 {
811 	return av7110_fw_cmd(av7110, COMTYPE_OSD, WMoveD, 3, windownr, x, y);
812 }
813 
MoveWindowAbs(struct av7110 * av7110,u8 windownr,u16 x,u16 y)814 static inline int MoveWindowAbs(struct av7110 *av7110, u8 windownr, u16 x, u16 y)
815 {
816 	return av7110_fw_cmd(av7110, COMTYPE_OSD, WMoveA, 3, windownr, x, y);
817 }
818 
DestroyOSDWindow(struct av7110 * av7110,u8 windownr)819 static inline int DestroyOSDWindow(struct av7110 *av7110, u8 windownr)
820 {
821 	return av7110_fw_cmd(av7110, COMTYPE_OSD, WDestroy, 1, windownr);
822 }
823 
CreateOSDWindow(struct av7110 * av7110,u8 windownr,osd_raw_window_t disptype,u16 width,u16 height)824 static inline int CreateOSDWindow(struct av7110 *av7110, u8 windownr,
825 				  osd_raw_window_t disptype,
826 				  u16 width, u16 height)
827 {
828 	return av7110_fw_cmd(av7110, COMTYPE_OSD, WCreate, 4,
829 			     windownr, disptype, width, height);
830 }
831 
832 
833 static enum av7110_osd_palette_type bpp2pal[8] = {
834 	Pal1Bit, Pal2Bit, 0, Pal4Bit, 0, 0, 0, Pal8Bit
835 };
836 static osd_raw_window_t bpp2bit[8] = {
837 	OSD_BITMAP1, OSD_BITMAP2, 0, OSD_BITMAP4, 0, 0, 0, OSD_BITMAP8
838 };
839 
WaitUntilBmpLoaded(struct av7110 * av7110)840 static inline int WaitUntilBmpLoaded(struct av7110 *av7110)
841 {
842 	int ret = wait_event_timeout(av7110->bmpq,
843 				av7110->bmp_state != BMP_LOADING, 10*HZ);
844 	if (ret == 0) {
845 		printk("dvb-ttpci: warning: timeout waiting in LoadBitmap: %d, %d\n",
846 		       ret, av7110->bmp_state);
847 		av7110->bmp_state = BMP_NONE;
848 		return -ETIMEDOUT;
849 	}
850 	return 0;
851 }
852 
LoadBitmap(struct av7110 * av7110,u16 dx,u16 dy,int inc,u8 __user * data)853 static inline int LoadBitmap(struct av7110 *av7110,
854 			     u16 dx, u16 dy, int inc, u8 __user * data)
855 {
856 	u16 format;
857 	int bpp;
858 	int i;
859 	int d, delta;
860 	u8 c;
861 	int ret;
862 
863 	dprintk(4, "%p\n", av7110);
864 
865 	format = bpp2bit[av7110->osdbpp[av7110->osdwin]];
866 
867 	av7110->bmp_state = BMP_LOADING;
868 	if	(format == OSD_BITMAP8) {
869 		bpp=8; delta = 1;
870 	} else if (format == OSD_BITMAP4) {
871 		bpp=4; delta = 2;
872 	} else if (format == OSD_BITMAP2) {
873 		bpp=2; delta = 4;
874 	} else if (format == OSD_BITMAP1) {
875 		bpp=1; delta = 8;
876 	} else {
877 		av7110->bmp_state = BMP_NONE;
878 		return -EINVAL;
879 	}
880 	av7110->bmplen = ((dx * dy * bpp + 7) & ~7) / 8;
881 	av7110->bmpp = 0;
882 	if (av7110->bmplen > 32768) {
883 		av7110->bmp_state = BMP_NONE;
884 		return -EINVAL;
885 	}
886 	for (i = 0; i < dy; i++) {
887 		if (copy_from_user(av7110->bmpbuf + 1024 + i * dx, data + i * inc, dx)) {
888 			av7110->bmp_state = BMP_NONE;
889 			return -EINVAL;
890 		}
891 	}
892 	if (format != OSD_BITMAP8) {
893 		for (i = 0; i < dx * dy / delta; i++) {
894 			c = ((u8 *)av7110->bmpbuf)[1024 + i * delta + delta - 1];
895 			for (d = delta - 2; d >= 0; d--) {
896 				c |= (((u8 *)av7110->bmpbuf)[1024 + i * delta + d]
897 				      << ((delta - d - 1) * bpp));
898 				((u8 *)av7110->bmpbuf)[1024 + i] = c;
899 			}
900 		}
901 	}
902 	av7110->bmplen += 1024;
903 	dprintk(4, "av7110_fw_cmd: LoadBmp size %d\n", av7110->bmplen);
904 	ret = av7110_fw_cmd(av7110, COMTYPE_OSD, LoadBmp, 3, format, dx, dy);
905 	if (!ret)
906 		ret = WaitUntilBmpLoaded(av7110);
907 	return ret;
908 }
909 
BlitBitmap(struct av7110 * av7110,u16 x,u16 y)910 static int BlitBitmap(struct av7110 *av7110, u16 x, u16 y)
911 {
912 	dprintk(4, "%p\n", av7110);
913 
914 	return av7110_fw_cmd(av7110, COMTYPE_OSD, BlitBmp, 4, av7110->osdwin, x, y, 0);
915 }
916 
ReleaseBitmap(struct av7110 * av7110)917 static inline int ReleaseBitmap(struct av7110 *av7110)
918 {
919 	dprintk(4, "%p\n", av7110);
920 
921 	if (av7110->bmp_state != BMP_LOADED && FW_VERSION(av7110->arm_app) < 0x261e)
922 		return -1;
923 	if (av7110->bmp_state == BMP_LOADING)
924 		dprintk(1,"ReleaseBitmap called while BMP_LOADING\n");
925 	av7110->bmp_state = BMP_NONE;
926 	return av7110_fw_cmd(av7110, COMTYPE_OSD, ReleaseBmp, 0);
927 }
928 
RGB2YUV(u16 R,u16 G,u16 B)929 static u32 RGB2YUV(u16 R, u16 G, u16 B)
930 {
931 	u16 y, u, v;
932 	u16 Y, Cr, Cb;
933 
934 	y = R * 77 + G * 150 + B * 29;	/* Luma=0.299R+0.587G+0.114B 0..65535 */
935 	u = 2048 + B * 8 -(y >> 5);	/* Cr 0..4095 */
936 	v = 2048 + R * 8 -(y >> 5);	/* Cb 0..4095 */
937 
938 	Y = y / 256;
939 	Cb = u / 16;
940 	Cr = v / 16;
941 
942 	return Cr | (Cb << 16) | (Y << 8);
943 }
944 
OSDSetColor(struct av7110 * av7110,u8 color,u8 r,u8 g,u8 b,u8 blend)945 static int OSDSetColor(struct av7110 *av7110, u8 color, u8 r, u8 g, u8 b, u8 blend)
946 {
947 	int ret;
948 
949 	u16 ch, cl;
950 	u32 yuv;
951 
952 	yuv = blend ? RGB2YUV(r,g,b) : 0;
953 	cl = (yuv & 0xffff);
954 	ch = ((yuv >> 16) & 0xffff);
955 	ret = SetColor_(av7110, av7110->osdwin, bpp2pal[av7110->osdbpp[av7110->osdwin]],
956 			color, ch, cl);
957 	if (!ret)
958 		ret = SetBlend_(av7110, av7110->osdwin, bpp2pal[av7110->osdbpp[av7110->osdwin]],
959 				color, ((blend >> 4) & 0x0f));
960 	return ret;
961 }
962 
OSDSetPalette(struct av7110 * av7110,u32 __user * colors,u8 first,u8 last)963 static int OSDSetPalette(struct av7110 *av7110, u32 __user * colors, u8 first, u8 last)
964 {
965 	int i;
966 	int length = last - first + 1;
967 
968 	if (length * 4 > DATA_BUFF3_SIZE)
969 		return -EINVAL;
970 
971 	for (i = 0; i < length; i++) {
972 		u32 color, blend, yuv;
973 
974 		if (get_user(color, colors + i))
975 			return -EFAULT;
976 		blend = (color & 0xF0000000) >> 4;
977 		yuv = blend ? RGB2YUV(color & 0xFF, (color >> 8) & 0xFF,
978 				     (color >> 16) & 0xFF) | blend : 0;
979 		yuv = ((yuv & 0xFFFF0000) >> 16) | ((yuv & 0x0000FFFF) << 16);
980 		wdebi(av7110, DEBINOSWAP, DATA_BUFF3_BASE + i * 4, yuv, 4);
981 	}
982 	return av7110_fw_cmd(av7110, COMTYPE_OSD, Set_Palette, 4,
983 			    av7110->osdwin,
984 			    bpp2pal[av7110->osdbpp[av7110->osdwin]],
985 			    first, last);
986 }
987 
OSDSetBlock(struct av7110 * av7110,int x0,int y0,int x1,int y1,int inc,u8 __user * data)988 static int OSDSetBlock(struct av7110 *av7110, int x0, int y0,
989 		       int x1, int y1, int inc, u8 __user * data)
990 {
991 	uint w, h, bpp, bpl, size, lpb, bnum, brest;
992 	int i;
993 	int rc,release_rc;
994 
995 	w = x1 - x0 + 1;
996 	h = y1 - y0 + 1;
997 	if (inc <= 0)
998 		inc = w;
999 	if (w <= 0 || w > 720 || h <= 0 || h > 576)
1000 		return -EINVAL;
1001 	bpp = av7110->osdbpp[av7110->osdwin] + 1;
1002 	bpl = ((w * bpp + 7) & ~7) / 8;
1003 	size = h * bpl;
1004 	lpb = (32 * 1024) / bpl;
1005 	bnum = size / (lpb * bpl);
1006 	brest = size - bnum * lpb * bpl;
1007 
1008 	if (av7110->bmp_state == BMP_LOADING) {
1009 		/* possible if syscall is repeated by -ERESTARTSYS and if firmware cannot abort */
1010 		BUG_ON (FW_VERSION(av7110->arm_app) >= 0x261e);
1011 		rc = WaitUntilBmpLoaded(av7110);
1012 		if (rc)
1013 			return rc;
1014 		/* just continue. This should work for all fw versions
1015 		 * if bnum==1 && !brest && LoadBitmap was successful
1016 		 */
1017 	}
1018 
1019 	rc = 0;
1020 	for (i = 0; i < bnum; i++) {
1021 		rc = LoadBitmap(av7110, w, lpb, inc, data);
1022 		if (rc)
1023 			break;
1024 		rc = BlitBitmap(av7110, x0, y0 + i * lpb);
1025 		if (rc)
1026 			break;
1027 		data += lpb * inc;
1028 	}
1029 	if (!rc && brest) {
1030 		rc = LoadBitmap(av7110, w, brest / bpl, inc, data);
1031 		if (!rc)
1032 			rc = BlitBitmap(av7110, x0, y0 + bnum * lpb);
1033 	}
1034 	release_rc = ReleaseBitmap(av7110);
1035 	if (!rc)
1036 		rc = release_rc;
1037 	if (rc)
1038 		dprintk(1,"returns %d\n",rc);
1039 	return rc;
1040 }
1041 
av7110_osd_cmd(struct av7110 * av7110,osd_cmd_t * dc)1042 int av7110_osd_cmd(struct av7110 *av7110, osd_cmd_t *dc)
1043 {
1044 	int ret;
1045 
1046 	if (mutex_lock_interruptible(&av7110->osd_mutex))
1047 		return -ERESTARTSYS;
1048 
1049 	switch (dc->cmd) {
1050 	case OSD_Close:
1051 		ret = DestroyOSDWindow(av7110, av7110->osdwin);
1052 		break;
1053 	case OSD_Open:
1054 		av7110->osdbpp[av7110->osdwin] = (dc->color - 1) & 7;
1055 		ret = CreateOSDWindow(av7110, av7110->osdwin,
1056 				bpp2bit[av7110->osdbpp[av7110->osdwin]],
1057 				dc->x1 - dc->x0 + 1, dc->y1 - dc->y0 + 1);
1058 		if (ret)
1059 			break;
1060 		if (!dc->data) {
1061 			ret = MoveWindowAbs(av7110, av7110->osdwin, dc->x0, dc->y0);
1062 			if (ret)
1063 				break;
1064 			ret = SetColorBlend(av7110, av7110->osdwin);
1065 		}
1066 		break;
1067 	case OSD_Show:
1068 		ret = MoveWindowRel(av7110, av7110->osdwin, 0, 0);
1069 		break;
1070 	case OSD_Hide:
1071 		ret = HideWindow(av7110, av7110->osdwin);
1072 		break;
1073 	case OSD_Clear:
1074 		ret = DrawBlock(av7110, av7110->osdwin, 0, 0, 720, 576, 0);
1075 		break;
1076 	case OSD_Fill:
1077 		ret = DrawBlock(av7110, av7110->osdwin, 0, 0, 720, 576, dc->color);
1078 		break;
1079 	case OSD_SetColor:
1080 		ret = OSDSetColor(av7110, dc->color, dc->x0, dc->y0, dc->x1, dc->y1);
1081 		break;
1082 	case OSD_SetPalette:
1083 		if (FW_VERSION(av7110->arm_app) >= 0x2618)
1084 			ret = OSDSetPalette(av7110, dc->data, dc->color, dc->x0);
1085 		else {
1086 			int i, len = dc->x0-dc->color+1;
1087 			u8 __user *colors = (u8 __user *)dc->data;
1088 			u8 r, g = 0, b = 0, blend = 0;
1089 			ret = 0;
1090 			for (i = 0; i<len; i++) {
1091 				if (get_user(r, colors + i * 4) ||
1092 				    get_user(g, colors + i * 4 + 1) ||
1093 				    get_user(b, colors + i * 4 + 2) ||
1094 				    get_user(blend, colors + i * 4 + 3)) {
1095 					ret = -EFAULT;
1096 					break;
1097 				    }
1098 				ret = OSDSetColor(av7110, dc->color + i, r, g, b, blend);
1099 				if (ret)
1100 					break;
1101 			}
1102 		}
1103 		break;
1104 	case OSD_SetPixel:
1105 		ret = DrawLine(av7110, av7110->osdwin,
1106 			 dc->x0, dc->y0, 0, 0, dc->color);
1107 		break;
1108 	case OSD_SetRow:
1109 		dc->y1 = dc->y0;
1110 		/* fall through */
1111 	case OSD_SetBlock:
1112 		ret = OSDSetBlock(av7110, dc->x0, dc->y0, dc->x1, dc->y1, dc->color, dc->data);
1113 		break;
1114 	case OSD_FillRow:
1115 		ret = DrawBlock(av7110, av7110->osdwin, dc->x0, dc->y0,
1116 			  dc->x1-dc->x0+1, dc->y1, dc->color);
1117 		break;
1118 	case OSD_FillBlock:
1119 		ret = DrawBlock(av7110, av7110->osdwin, dc->x0, dc->y0,
1120 			  dc->x1 - dc->x0 + 1, dc->y1 - dc->y0 + 1, dc->color);
1121 		break;
1122 	case OSD_Line:
1123 		ret = DrawLine(av7110, av7110->osdwin,
1124 			 dc->x0, dc->y0, dc->x1 - dc->x0, dc->y1 - dc->y0, dc->color);
1125 		break;
1126 	case OSD_Text:
1127 	{
1128 		char textbuf[240];
1129 
1130 		if (strncpy_from_user(textbuf, dc->data, 240) < 0) {
1131 			ret = -EFAULT;
1132 			break;
1133 		}
1134 		textbuf[239] = 0;
1135 		if (dc->x1 > 3)
1136 			dc->x1 = 3;
1137 		ret = SetFont(av7110, av7110->osdwin, dc->x1,
1138 			(u16) (dc->color & 0xffff), (u16) (dc->color >> 16));
1139 		if (!ret)
1140 			ret = FlushText(av7110);
1141 		if (!ret)
1142 			ret = WriteText(av7110, av7110->osdwin, dc->x0, dc->y0, textbuf);
1143 		break;
1144 	}
1145 	case OSD_SetWindow:
1146 		if (dc->x0 < 1 || dc->x0 > 7)
1147 			ret = -EINVAL;
1148 		else {
1149 			av7110->osdwin = dc->x0;
1150 			ret = 0;
1151 		}
1152 		break;
1153 	case OSD_MoveWindow:
1154 		ret = MoveWindowAbs(av7110, av7110->osdwin, dc->x0, dc->y0);
1155 		if (!ret)
1156 			ret = SetColorBlend(av7110, av7110->osdwin);
1157 		break;
1158 	case OSD_OpenRaw:
1159 		if (dc->color < OSD_BITMAP1 || dc->color > OSD_CURSOR) {
1160 			ret = -EINVAL;
1161 			break;
1162 		}
1163 		if (dc->color >= OSD_BITMAP1 && dc->color <= OSD_BITMAP8HR)
1164 			av7110->osdbpp[av7110->osdwin] = (1 << (dc->color & 3)) - 1;
1165 		else
1166 			av7110->osdbpp[av7110->osdwin] = 0;
1167 		ret = CreateOSDWindow(av7110, av7110->osdwin, (osd_raw_window_t)dc->color,
1168 				dc->x1 - dc->x0 + 1, dc->y1 - dc->y0 + 1);
1169 		if (ret)
1170 			break;
1171 		if (!dc->data) {
1172 			ret = MoveWindowAbs(av7110, av7110->osdwin, dc->x0, dc->y0);
1173 			if (!ret)
1174 				ret = SetColorBlend(av7110, av7110->osdwin);
1175 		}
1176 		break;
1177 	default:
1178 		ret = -EINVAL;
1179 		break;
1180 	}
1181 
1182 	mutex_unlock(&av7110->osd_mutex);
1183 	if (ret==-ERESTARTSYS)
1184 		dprintk(1, "av7110_osd_cmd(%d) returns with -ERESTARTSYS\n",dc->cmd);
1185 	else if (ret)
1186 		dprintk(1, "av7110_osd_cmd(%d) returns with %d\n",dc->cmd,ret);
1187 
1188 	return ret;
1189 }
1190 
av7110_osd_capability(struct av7110 * av7110,osd_cap_t * cap)1191 int av7110_osd_capability(struct av7110 *av7110, osd_cap_t *cap)
1192 {
1193 	switch (cap->cmd) {
1194 	case OSD_CAP_MEMSIZE:
1195 		if (FW_4M_SDRAM(av7110->arm_app))
1196 			cap->val = 1000000;
1197 		else
1198 			cap->val = 92000;
1199 		return 0;
1200 	default:
1201 		return -EINVAL;
1202 	}
1203 }
1204 #endif /* CONFIG_DVB_AV7110_OSD */
1205