1 /*
2 * Copyright 2007-8 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * Authors: Dave Airlie
24 * Alex Deucher
25 */
26 #include <drm/drmP.h>
27 #include <drm/amdgpu_drm.h>
28 #include "amdgpu.h"
29 #include "amdgpu_atombios.h"
30 #include "amdgpu_atomfirmware.h"
31 #include "amdgpu_i2c.h"
32
33 #include "atom.h"
34 #include "atom-bits.h"
35 #include "atombios_encoders.h"
36 #include "bif/bif_4_1_d.h"
37
amdgpu_atombios_lookup_i2c_gpio_quirks(struct amdgpu_device * adev,ATOM_GPIO_I2C_ASSIGMENT * gpio,u8 index)38 static void amdgpu_atombios_lookup_i2c_gpio_quirks(struct amdgpu_device *adev,
39 ATOM_GPIO_I2C_ASSIGMENT *gpio,
40 u8 index)
41 {
42
43 }
44
amdgpu_atombios_get_bus_rec_for_i2c_gpio(ATOM_GPIO_I2C_ASSIGMENT * gpio)45 static struct amdgpu_i2c_bus_rec amdgpu_atombios_get_bus_rec_for_i2c_gpio(ATOM_GPIO_I2C_ASSIGMENT *gpio)
46 {
47 struct amdgpu_i2c_bus_rec i2c;
48
49 memset(&i2c, 0, sizeof(struct amdgpu_i2c_bus_rec));
50
51 i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex);
52 i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex);
53 i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex);
54 i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex);
55 i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex);
56 i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex);
57 i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex);
58 i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex);
59 i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
60 i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
61 i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
62 i2c.en_data_mask = (1 << gpio->ucDataEnShift);
63 i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
64 i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
65 i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
66 i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
67
68 if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
69 i2c.hw_capable = true;
70 else
71 i2c.hw_capable = false;
72
73 if (gpio->sucI2cId.ucAccess == 0xa0)
74 i2c.mm_i2c = true;
75 else
76 i2c.mm_i2c = false;
77
78 i2c.i2c_id = gpio->sucI2cId.ucAccess;
79
80 if (i2c.mask_clk_reg)
81 i2c.valid = true;
82 else
83 i2c.valid = false;
84
85 return i2c;
86 }
87
amdgpu_atombios_lookup_i2c_gpio(struct amdgpu_device * adev,uint8_t id)88 struct amdgpu_i2c_bus_rec amdgpu_atombios_lookup_i2c_gpio(struct amdgpu_device *adev,
89 uint8_t id)
90 {
91 struct atom_context *ctx = adev->mode_info.atom_context;
92 ATOM_GPIO_I2C_ASSIGMENT *gpio;
93 struct amdgpu_i2c_bus_rec i2c;
94 int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info);
95 struct _ATOM_GPIO_I2C_INFO *i2c_info;
96 uint16_t data_offset, size;
97 int i, num_indices;
98
99 memset(&i2c, 0, sizeof(struct amdgpu_i2c_bus_rec));
100 i2c.valid = false;
101
102 if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
103 i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
104
105 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
106 sizeof(ATOM_GPIO_I2C_ASSIGMENT);
107
108 gpio = &i2c_info->asGPIO_Info[0];
109 for (i = 0; i < num_indices; i++) {
110
111 amdgpu_atombios_lookup_i2c_gpio_quirks(adev, gpio, i);
112
113 if (gpio->sucI2cId.ucAccess == id) {
114 i2c = amdgpu_atombios_get_bus_rec_for_i2c_gpio(gpio);
115 break;
116 }
117 gpio = (ATOM_GPIO_I2C_ASSIGMENT *)
118 ((u8 *)gpio + sizeof(ATOM_GPIO_I2C_ASSIGMENT));
119 }
120 }
121
122 return i2c;
123 }
124
amdgpu_atombios_i2c_init(struct amdgpu_device * adev)125 void amdgpu_atombios_i2c_init(struct amdgpu_device *adev)
126 {
127 struct atom_context *ctx = adev->mode_info.atom_context;
128 ATOM_GPIO_I2C_ASSIGMENT *gpio;
129 struct amdgpu_i2c_bus_rec i2c;
130 int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info);
131 struct _ATOM_GPIO_I2C_INFO *i2c_info;
132 uint16_t data_offset, size;
133 int i, num_indices;
134 char stmp[32];
135
136 if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
137 i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
138
139 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
140 sizeof(ATOM_GPIO_I2C_ASSIGMENT);
141
142 gpio = &i2c_info->asGPIO_Info[0];
143 for (i = 0; i < num_indices; i++) {
144 amdgpu_atombios_lookup_i2c_gpio_quirks(adev, gpio, i);
145
146 i2c = amdgpu_atombios_get_bus_rec_for_i2c_gpio(gpio);
147
148 if (i2c.valid) {
149 sprintf(stmp, "0x%x", i2c.i2c_id);
150 adev->i2c_bus[i] = amdgpu_i2c_create(adev->ddev, &i2c, stmp);
151 }
152 gpio = (ATOM_GPIO_I2C_ASSIGMENT *)
153 ((u8 *)gpio + sizeof(ATOM_GPIO_I2C_ASSIGMENT));
154 }
155 }
156 }
157
158 struct amdgpu_gpio_rec
amdgpu_atombios_lookup_gpio(struct amdgpu_device * adev,u8 id)159 amdgpu_atombios_lookup_gpio(struct amdgpu_device *adev,
160 u8 id)
161 {
162 struct atom_context *ctx = adev->mode_info.atom_context;
163 struct amdgpu_gpio_rec gpio;
164 int index = GetIndexIntoMasterTable(DATA, GPIO_Pin_LUT);
165 struct _ATOM_GPIO_PIN_LUT *gpio_info;
166 ATOM_GPIO_PIN_ASSIGNMENT *pin;
167 u16 data_offset, size;
168 int i, num_indices;
169
170 memset(&gpio, 0, sizeof(struct amdgpu_gpio_rec));
171 gpio.valid = false;
172
173 if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
174 gpio_info = (struct _ATOM_GPIO_PIN_LUT *)(ctx->bios + data_offset);
175
176 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
177 sizeof(ATOM_GPIO_PIN_ASSIGNMENT);
178
179 pin = gpio_info->asGPIO_Pin;
180 for (i = 0; i < num_indices; i++) {
181 if (id == pin->ucGPIO_ID) {
182 gpio.id = pin->ucGPIO_ID;
183 gpio.reg = le16_to_cpu(pin->usGpioPin_AIndex);
184 gpio.shift = pin->ucGpioPinBitShift;
185 gpio.mask = (1 << pin->ucGpioPinBitShift);
186 gpio.valid = true;
187 break;
188 }
189 pin = (ATOM_GPIO_PIN_ASSIGNMENT *)
190 ((u8 *)pin + sizeof(ATOM_GPIO_PIN_ASSIGNMENT));
191 }
192 }
193
194 return gpio;
195 }
196
197 static struct amdgpu_hpd
amdgpu_atombios_get_hpd_info_from_gpio(struct amdgpu_device * adev,struct amdgpu_gpio_rec * gpio)198 amdgpu_atombios_get_hpd_info_from_gpio(struct amdgpu_device *adev,
199 struct amdgpu_gpio_rec *gpio)
200 {
201 struct amdgpu_hpd hpd;
202 u32 reg;
203
204 memset(&hpd, 0, sizeof(struct amdgpu_hpd));
205
206 reg = amdgpu_display_hpd_get_gpio_reg(adev);
207
208 hpd.gpio = *gpio;
209 if (gpio->reg == reg) {
210 switch(gpio->mask) {
211 case (1 << 0):
212 hpd.hpd = AMDGPU_HPD_1;
213 break;
214 case (1 << 8):
215 hpd.hpd = AMDGPU_HPD_2;
216 break;
217 case (1 << 16):
218 hpd.hpd = AMDGPU_HPD_3;
219 break;
220 case (1 << 24):
221 hpd.hpd = AMDGPU_HPD_4;
222 break;
223 case (1 << 26):
224 hpd.hpd = AMDGPU_HPD_5;
225 break;
226 case (1 << 28):
227 hpd.hpd = AMDGPU_HPD_6;
228 break;
229 default:
230 hpd.hpd = AMDGPU_HPD_NONE;
231 break;
232 }
233 } else
234 hpd.hpd = AMDGPU_HPD_NONE;
235 return hpd;
236 }
237
238 static const int object_connector_convert[] = {
239 DRM_MODE_CONNECTOR_Unknown,
240 DRM_MODE_CONNECTOR_DVII,
241 DRM_MODE_CONNECTOR_DVII,
242 DRM_MODE_CONNECTOR_DVID,
243 DRM_MODE_CONNECTOR_DVID,
244 DRM_MODE_CONNECTOR_VGA,
245 DRM_MODE_CONNECTOR_Composite,
246 DRM_MODE_CONNECTOR_SVIDEO,
247 DRM_MODE_CONNECTOR_Unknown,
248 DRM_MODE_CONNECTOR_Unknown,
249 DRM_MODE_CONNECTOR_9PinDIN,
250 DRM_MODE_CONNECTOR_Unknown,
251 DRM_MODE_CONNECTOR_HDMIA,
252 DRM_MODE_CONNECTOR_HDMIB,
253 DRM_MODE_CONNECTOR_LVDS,
254 DRM_MODE_CONNECTOR_9PinDIN,
255 DRM_MODE_CONNECTOR_Unknown,
256 DRM_MODE_CONNECTOR_Unknown,
257 DRM_MODE_CONNECTOR_Unknown,
258 DRM_MODE_CONNECTOR_DisplayPort,
259 DRM_MODE_CONNECTOR_eDP,
260 DRM_MODE_CONNECTOR_Unknown
261 };
262
amdgpu_atombios_has_dce_engine_info(struct amdgpu_device * adev)263 bool amdgpu_atombios_has_dce_engine_info(struct amdgpu_device *adev)
264 {
265 struct amdgpu_mode_info *mode_info = &adev->mode_info;
266 struct atom_context *ctx = mode_info->atom_context;
267 int index = GetIndexIntoMasterTable(DATA, Object_Header);
268 u16 size, data_offset;
269 u8 frev, crev;
270 ATOM_DISPLAY_OBJECT_PATH_TABLE *path_obj;
271 ATOM_OBJECT_HEADER *obj_header;
272
273 if (!amdgpu_atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset))
274 return false;
275
276 if (crev < 2)
277 return false;
278
279 obj_header = (ATOM_OBJECT_HEADER *) (ctx->bios + data_offset);
280 path_obj = (ATOM_DISPLAY_OBJECT_PATH_TABLE *)
281 (ctx->bios + data_offset +
282 le16_to_cpu(obj_header->usDisplayPathTableOffset));
283
284 if (path_obj->ucNumOfDispPath)
285 return true;
286 else
287 return false;
288 }
289
amdgpu_atombios_get_connector_info_from_object_table(struct amdgpu_device * adev)290 bool amdgpu_atombios_get_connector_info_from_object_table(struct amdgpu_device *adev)
291 {
292 struct amdgpu_mode_info *mode_info = &adev->mode_info;
293 struct atom_context *ctx = mode_info->atom_context;
294 int index = GetIndexIntoMasterTable(DATA, Object_Header);
295 u16 size, data_offset;
296 u8 frev, crev;
297 ATOM_CONNECTOR_OBJECT_TABLE *con_obj;
298 ATOM_ENCODER_OBJECT_TABLE *enc_obj;
299 ATOM_OBJECT_TABLE *router_obj;
300 ATOM_DISPLAY_OBJECT_PATH_TABLE *path_obj;
301 ATOM_OBJECT_HEADER *obj_header;
302 int i, j, k, path_size, device_support;
303 int connector_type;
304 u16 conn_id, connector_object_id;
305 struct amdgpu_i2c_bus_rec ddc_bus;
306 struct amdgpu_router router;
307 struct amdgpu_gpio_rec gpio;
308 struct amdgpu_hpd hpd;
309
310 if (!amdgpu_atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset))
311 return false;
312
313 if (crev < 2)
314 return false;
315
316 obj_header = (ATOM_OBJECT_HEADER *) (ctx->bios + data_offset);
317 path_obj = (ATOM_DISPLAY_OBJECT_PATH_TABLE *)
318 (ctx->bios + data_offset +
319 le16_to_cpu(obj_header->usDisplayPathTableOffset));
320 con_obj = (ATOM_CONNECTOR_OBJECT_TABLE *)
321 (ctx->bios + data_offset +
322 le16_to_cpu(obj_header->usConnectorObjectTableOffset));
323 enc_obj = (ATOM_ENCODER_OBJECT_TABLE *)
324 (ctx->bios + data_offset +
325 le16_to_cpu(obj_header->usEncoderObjectTableOffset));
326 router_obj = (ATOM_OBJECT_TABLE *)
327 (ctx->bios + data_offset +
328 le16_to_cpu(obj_header->usRouterObjectTableOffset));
329 device_support = le16_to_cpu(obj_header->usDeviceSupport);
330
331 path_size = 0;
332 for (i = 0; i < path_obj->ucNumOfDispPath; i++) {
333 uint8_t *addr = (uint8_t *) path_obj->asDispPath;
334 ATOM_DISPLAY_OBJECT_PATH *path;
335 addr += path_size;
336 path = (ATOM_DISPLAY_OBJECT_PATH *) addr;
337 path_size += le16_to_cpu(path->usSize);
338
339 if (device_support & le16_to_cpu(path->usDeviceTag)) {
340 uint8_t con_obj_id, con_obj_num, con_obj_type;
341
342 con_obj_id =
343 (le16_to_cpu(path->usConnObjectId) & OBJECT_ID_MASK)
344 >> OBJECT_ID_SHIFT;
345 con_obj_num =
346 (le16_to_cpu(path->usConnObjectId) & ENUM_ID_MASK)
347 >> ENUM_ID_SHIFT;
348 con_obj_type =
349 (le16_to_cpu(path->usConnObjectId) &
350 OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
351
352 /* Skip TV/CV support */
353 if ((le16_to_cpu(path->usDeviceTag) ==
354 ATOM_DEVICE_TV1_SUPPORT) ||
355 (le16_to_cpu(path->usDeviceTag) ==
356 ATOM_DEVICE_CV_SUPPORT))
357 continue;
358
359 if (con_obj_id >= ARRAY_SIZE(object_connector_convert)) {
360 DRM_ERROR("invalid con_obj_id %d for device tag 0x%04x\n",
361 con_obj_id, le16_to_cpu(path->usDeviceTag));
362 continue;
363 }
364
365 connector_type =
366 object_connector_convert[con_obj_id];
367 connector_object_id = con_obj_id;
368
369 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
370 continue;
371
372 router.ddc_valid = false;
373 router.cd_valid = false;
374 for (j = 0; j < ((le16_to_cpu(path->usSize) - 8) / 2); j++) {
375 uint8_t grph_obj_id, grph_obj_num, grph_obj_type;
376
377 grph_obj_id =
378 (le16_to_cpu(path->usGraphicObjIds[j]) &
379 OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
380 grph_obj_num =
381 (le16_to_cpu(path->usGraphicObjIds[j]) &
382 ENUM_ID_MASK) >> ENUM_ID_SHIFT;
383 grph_obj_type =
384 (le16_to_cpu(path->usGraphicObjIds[j]) &
385 OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
386
387 if (grph_obj_type == GRAPH_OBJECT_TYPE_ENCODER) {
388 for (k = 0; k < enc_obj->ucNumberOfObjects; k++) {
389 u16 encoder_obj = le16_to_cpu(enc_obj->asObjects[k].usObjectID);
390 if (le16_to_cpu(path->usGraphicObjIds[j]) == encoder_obj) {
391 ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *)
392 (ctx->bios + data_offset +
393 le16_to_cpu(enc_obj->asObjects[k].usRecordOffset));
394 ATOM_ENCODER_CAP_RECORD *cap_record;
395 u16 caps = 0;
396
397 while (record->ucRecordSize > 0 &&
398 record->ucRecordType > 0 &&
399 record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
400 switch (record->ucRecordType) {
401 case ATOM_ENCODER_CAP_RECORD_TYPE:
402 cap_record =(ATOM_ENCODER_CAP_RECORD *)
403 record;
404 caps = le16_to_cpu(cap_record->usEncoderCap);
405 break;
406 }
407 record = (ATOM_COMMON_RECORD_HEADER *)
408 ((char *)record + record->ucRecordSize);
409 }
410 amdgpu_display_add_encoder(adev, encoder_obj,
411 le16_to_cpu(path->usDeviceTag),
412 caps);
413 }
414 }
415 } else if (grph_obj_type == GRAPH_OBJECT_TYPE_ROUTER) {
416 for (k = 0; k < router_obj->ucNumberOfObjects; k++) {
417 u16 router_obj_id = le16_to_cpu(router_obj->asObjects[k].usObjectID);
418 if (le16_to_cpu(path->usGraphicObjIds[j]) == router_obj_id) {
419 ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *)
420 (ctx->bios + data_offset +
421 le16_to_cpu(router_obj->asObjects[k].usRecordOffset));
422 ATOM_I2C_RECORD *i2c_record;
423 ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
424 ATOM_ROUTER_DDC_PATH_SELECT_RECORD *ddc_path;
425 ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *cd_path;
426 ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *router_src_dst_table =
427 (ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *)
428 (ctx->bios + data_offset +
429 le16_to_cpu(router_obj->asObjects[k].usSrcDstTableOffset));
430 u8 *num_dst_objs = (u8 *)
431 ((u8 *)router_src_dst_table + 1 +
432 (router_src_dst_table->ucNumberOfSrc * 2));
433 u16 *dst_objs = (u16 *)(num_dst_objs + 1);
434 int enum_id;
435
436 router.router_id = router_obj_id;
437 for (enum_id = 0; enum_id < (*num_dst_objs); enum_id++) {
438 if (le16_to_cpu(path->usConnObjectId) ==
439 le16_to_cpu(dst_objs[enum_id]))
440 break;
441 }
442
443 while (record->ucRecordSize > 0 &&
444 record->ucRecordType > 0 &&
445 record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
446 switch (record->ucRecordType) {
447 case ATOM_I2C_RECORD_TYPE:
448 i2c_record =
449 (ATOM_I2C_RECORD *)
450 record;
451 i2c_config =
452 (ATOM_I2C_ID_CONFIG_ACCESS *)
453 &i2c_record->sucI2cId;
454 router.i2c_info =
455 amdgpu_atombios_lookup_i2c_gpio(adev,
456 i2c_config->
457 ucAccess);
458 router.i2c_addr = i2c_record->ucI2CAddr >> 1;
459 break;
460 case ATOM_ROUTER_DDC_PATH_SELECT_RECORD_TYPE:
461 ddc_path = (ATOM_ROUTER_DDC_PATH_SELECT_RECORD *)
462 record;
463 router.ddc_valid = true;
464 router.ddc_mux_type = ddc_path->ucMuxType;
465 router.ddc_mux_control_pin = ddc_path->ucMuxControlPin;
466 router.ddc_mux_state = ddc_path->ucMuxState[enum_id];
467 break;
468 case ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD_TYPE:
469 cd_path = (ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *)
470 record;
471 router.cd_valid = true;
472 router.cd_mux_type = cd_path->ucMuxType;
473 router.cd_mux_control_pin = cd_path->ucMuxControlPin;
474 router.cd_mux_state = cd_path->ucMuxState[enum_id];
475 break;
476 }
477 record = (ATOM_COMMON_RECORD_HEADER *)
478 ((char *)record + record->ucRecordSize);
479 }
480 }
481 }
482 }
483 }
484
485 /* look up gpio for ddc, hpd */
486 ddc_bus.valid = false;
487 hpd.hpd = AMDGPU_HPD_NONE;
488 if ((le16_to_cpu(path->usDeviceTag) &
489 (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) == 0) {
490 for (j = 0; j < con_obj->ucNumberOfObjects; j++) {
491 if (le16_to_cpu(path->usConnObjectId) ==
492 le16_to_cpu(con_obj->asObjects[j].
493 usObjectID)) {
494 ATOM_COMMON_RECORD_HEADER
495 *record =
496 (ATOM_COMMON_RECORD_HEADER
497 *)
498 (ctx->bios + data_offset +
499 le16_to_cpu(con_obj->
500 asObjects[j].
501 usRecordOffset));
502 ATOM_I2C_RECORD *i2c_record;
503 ATOM_HPD_INT_RECORD *hpd_record;
504 ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
505
506 while (record->ucRecordSize > 0 &&
507 record->ucRecordType > 0 &&
508 record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
509 switch (record->ucRecordType) {
510 case ATOM_I2C_RECORD_TYPE:
511 i2c_record =
512 (ATOM_I2C_RECORD *)
513 record;
514 i2c_config =
515 (ATOM_I2C_ID_CONFIG_ACCESS *)
516 &i2c_record->sucI2cId;
517 ddc_bus = amdgpu_atombios_lookup_i2c_gpio(adev,
518 i2c_config->
519 ucAccess);
520 break;
521 case ATOM_HPD_INT_RECORD_TYPE:
522 hpd_record =
523 (ATOM_HPD_INT_RECORD *)
524 record;
525 gpio = amdgpu_atombios_lookup_gpio(adev,
526 hpd_record->ucHPDIntGPIOID);
527 hpd = amdgpu_atombios_get_hpd_info_from_gpio(adev, &gpio);
528 hpd.plugged_state = hpd_record->ucPlugged_PinState;
529 break;
530 }
531 record =
532 (ATOM_COMMON_RECORD_HEADER
533 *) ((char *)record
534 +
535 record->
536 ucRecordSize);
537 }
538 break;
539 }
540 }
541 }
542
543 /* needed for aux chan transactions */
544 ddc_bus.hpd = hpd.hpd;
545
546 conn_id = le16_to_cpu(path->usConnObjectId);
547
548 amdgpu_display_add_connector(adev,
549 conn_id,
550 le16_to_cpu(path->usDeviceTag),
551 connector_type, &ddc_bus,
552 connector_object_id,
553 &hpd,
554 &router);
555
556 }
557 }
558
559 amdgpu_link_encoder_connector(adev->ddev);
560
561 return true;
562 }
563
564 union firmware_info {
565 ATOM_FIRMWARE_INFO info;
566 ATOM_FIRMWARE_INFO_V1_2 info_12;
567 ATOM_FIRMWARE_INFO_V1_3 info_13;
568 ATOM_FIRMWARE_INFO_V1_4 info_14;
569 ATOM_FIRMWARE_INFO_V2_1 info_21;
570 ATOM_FIRMWARE_INFO_V2_2 info_22;
571 };
572
amdgpu_atombios_get_clock_info(struct amdgpu_device * adev)573 int amdgpu_atombios_get_clock_info(struct amdgpu_device *adev)
574 {
575 struct amdgpu_mode_info *mode_info = &adev->mode_info;
576 int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
577 uint8_t frev, crev;
578 uint16_t data_offset;
579 int ret = -EINVAL;
580
581 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
582 &frev, &crev, &data_offset)) {
583 int i;
584 struct amdgpu_pll *ppll = &adev->clock.ppll[0];
585 struct amdgpu_pll *spll = &adev->clock.spll;
586 struct amdgpu_pll *mpll = &adev->clock.mpll;
587 union firmware_info *firmware_info =
588 (union firmware_info *)(mode_info->atom_context->bios +
589 data_offset);
590 /* pixel clocks */
591 ppll->reference_freq =
592 le16_to_cpu(firmware_info->info.usReferenceClock);
593 ppll->reference_div = 0;
594
595 ppll->pll_out_min =
596 le32_to_cpu(firmware_info->info_12.ulMinPixelClockPLL_Output);
597 ppll->pll_out_max =
598 le32_to_cpu(firmware_info->info.ulMaxPixelClockPLL_Output);
599
600 ppll->lcd_pll_out_min =
601 le16_to_cpu(firmware_info->info_14.usLcdMinPixelClockPLL_Output) * 100;
602 if (ppll->lcd_pll_out_min == 0)
603 ppll->lcd_pll_out_min = ppll->pll_out_min;
604 ppll->lcd_pll_out_max =
605 le16_to_cpu(firmware_info->info_14.usLcdMaxPixelClockPLL_Output) * 100;
606 if (ppll->lcd_pll_out_max == 0)
607 ppll->lcd_pll_out_max = ppll->pll_out_max;
608
609 if (ppll->pll_out_min == 0)
610 ppll->pll_out_min = 64800;
611
612 ppll->pll_in_min =
613 le16_to_cpu(firmware_info->info.usMinPixelClockPLL_Input);
614 ppll->pll_in_max =
615 le16_to_cpu(firmware_info->info.usMaxPixelClockPLL_Input);
616
617 ppll->min_post_div = 2;
618 ppll->max_post_div = 0x7f;
619 ppll->min_frac_feedback_div = 0;
620 ppll->max_frac_feedback_div = 9;
621 ppll->min_ref_div = 2;
622 ppll->max_ref_div = 0x3ff;
623 ppll->min_feedback_div = 4;
624 ppll->max_feedback_div = 0xfff;
625 ppll->best_vco = 0;
626
627 for (i = 1; i < AMDGPU_MAX_PPLL; i++)
628 adev->clock.ppll[i] = *ppll;
629
630 /* system clock */
631 spll->reference_freq =
632 le16_to_cpu(firmware_info->info_21.usCoreReferenceClock);
633 spll->reference_div = 0;
634
635 spll->pll_out_min =
636 le16_to_cpu(firmware_info->info.usMinEngineClockPLL_Output);
637 spll->pll_out_max =
638 le32_to_cpu(firmware_info->info.ulMaxEngineClockPLL_Output);
639
640 /* ??? */
641 if (spll->pll_out_min == 0)
642 spll->pll_out_min = 64800;
643
644 spll->pll_in_min =
645 le16_to_cpu(firmware_info->info.usMinEngineClockPLL_Input);
646 spll->pll_in_max =
647 le16_to_cpu(firmware_info->info.usMaxEngineClockPLL_Input);
648
649 spll->min_post_div = 1;
650 spll->max_post_div = 1;
651 spll->min_ref_div = 2;
652 spll->max_ref_div = 0xff;
653 spll->min_feedback_div = 4;
654 spll->max_feedback_div = 0xff;
655 spll->best_vco = 0;
656
657 /* memory clock */
658 mpll->reference_freq =
659 le16_to_cpu(firmware_info->info_21.usMemoryReferenceClock);
660 mpll->reference_div = 0;
661
662 mpll->pll_out_min =
663 le16_to_cpu(firmware_info->info.usMinMemoryClockPLL_Output);
664 mpll->pll_out_max =
665 le32_to_cpu(firmware_info->info.ulMaxMemoryClockPLL_Output);
666
667 /* ??? */
668 if (mpll->pll_out_min == 0)
669 mpll->pll_out_min = 64800;
670
671 mpll->pll_in_min =
672 le16_to_cpu(firmware_info->info.usMinMemoryClockPLL_Input);
673 mpll->pll_in_max =
674 le16_to_cpu(firmware_info->info.usMaxMemoryClockPLL_Input);
675
676 adev->clock.default_sclk =
677 le32_to_cpu(firmware_info->info.ulDefaultEngineClock);
678 adev->clock.default_mclk =
679 le32_to_cpu(firmware_info->info.ulDefaultMemoryClock);
680
681 mpll->min_post_div = 1;
682 mpll->max_post_div = 1;
683 mpll->min_ref_div = 2;
684 mpll->max_ref_div = 0xff;
685 mpll->min_feedback_div = 4;
686 mpll->max_feedback_div = 0xff;
687 mpll->best_vco = 0;
688
689 /* disp clock */
690 adev->clock.default_dispclk =
691 le32_to_cpu(firmware_info->info_21.ulDefaultDispEngineClkFreq);
692 /* set a reasonable default for DP */
693 if (adev->clock.default_dispclk < 53900) {
694 DRM_DEBUG("Changing default dispclk from %dMhz to 600Mhz\n",
695 adev->clock.default_dispclk / 100);
696 adev->clock.default_dispclk = 60000;
697 } else if (adev->clock.default_dispclk <= 60000) {
698 DRM_DEBUG("Changing default dispclk from %dMhz to 625Mhz\n",
699 adev->clock.default_dispclk / 100);
700 adev->clock.default_dispclk = 62500;
701 }
702 adev->clock.dp_extclk =
703 le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq);
704 adev->clock.current_dispclk = adev->clock.default_dispclk;
705
706 adev->clock.max_pixel_clock = le16_to_cpu(firmware_info->info.usMaxPixelClock);
707 if (adev->clock.max_pixel_clock == 0)
708 adev->clock.max_pixel_clock = 40000;
709
710 /* not technically a clock, but... */
711 adev->mode_info.firmware_flags =
712 le16_to_cpu(firmware_info->info.usFirmwareCapability.susAccess);
713
714 ret = 0;
715 }
716
717 adev->pm.current_sclk = adev->clock.default_sclk;
718 adev->pm.current_mclk = adev->clock.default_mclk;
719
720 return ret;
721 }
722
723 union gfx_info {
724 ATOM_GFX_INFO_V2_1 info;
725 };
726
amdgpu_atombios_get_gfx_info(struct amdgpu_device * adev)727 int amdgpu_atombios_get_gfx_info(struct amdgpu_device *adev)
728 {
729 struct amdgpu_mode_info *mode_info = &adev->mode_info;
730 int index = GetIndexIntoMasterTable(DATA, GFX_Info);
731 uint8_t frev, crev;
732 uint16_t data_offset;
733 int ret = -EINVAL;
734
735 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
736 &frev, &crev, &data_offset)) {
737 union gfx_info *gfx_info = (union gfx_info *)
738 (mode_info->atom_context->bios + data_offset);
739
740 adev->gfx.config.max_shader_engines = gfx_info->info.max_shader_engines;
741 adev->gfx.config.max_tile_pipes = gfx_info->info.max_tile_pipes;
742 adev->gfx.config.max_cu_per_sh = gfx_info->info.max_cu_per_sh;
743 adev->gfx.config.max_sh_per_se = gfx_info->info.max_sh_per_se;
744 adev->gfx.config.max_backends_per_se = gfx_info->info.max_backends_per_se;
745 adev->gfx.config.max_texture_channel_caches =
746 gfx_info->info.max_texture_channel_caches;
747
748 ret = 0;
749 }
750 return ret;
751 }
752
753 union igp_info {
754 struct _ATOM_INTEGRATED_SYSTEM_INFO info;
755 struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;
756 struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6;
757 struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7;
758 struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_8 info_8;
759 struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_9 info_9;
760 };
761
762 /*
763 * Return vram width from integrated system info table, if available,
764 * or 0 if not.
765 */
amdgpu_atombios_get_vram_width(struct amdgpu_device * adev)766 int amdgpu_atombios_get_vram_width(struct amdgpu_device *adev)
767 {
768 struct amdgpu_mode_info *mode_info = &adev->mode_info;
769 int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
770 u16 data_offset, size;
771 union igp_info *igp_info;
772 u8 frev, crev;
773
774 /* get any igp specific overrides */
775 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, &size,
776 &frev, &crev, &data_offset)) {
777 igp_info = (union igp_info *)
778 (mode_info->atom_context->bios + data_offset);
779 switch (crev) {
780 case 8:
781 case 9:
782 return igp_info->info_8.ucUMAChannelNumber * 64;
783 default:
784 return 0;
785 }
786 }
787
788 return 0;
789 }
790
amdgpu_atombios_get_igp_ss_overrides(struct amdgpu_device * adev,struct amdgpu_atom_ss * ss,int id)791 static void amdgpu_atombios_get_igp_ss_overrides(struct amdgpu_device *adev,
792 struct amdgpu_atom_ss *ss,
793 int id)
794 {
795 struct amdgpu_mode_info *mode_info = &adev->mode_info;
796 int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
797 u16 data_offset, size;
798 union igp_info *igp_info;
799 u8 frev, crev;
800 u16 percentage = 0, rate = 0;
801
802 /* get any igp specific overrides */
803 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, &size,
804 &frev, &crev, &data_offset)) {
805 igp_info = (union igp_info *)
806 (mode_info->atom_context->bios + data_offset);
807 switch (crev) {
808 case 6:
809 switch (id) {
810 case ASIC_INTERNAL_SS_ON_TMDS:
811 percentage = le16_to_cpu(igp_info->info_6.usDVISSPercentage);
812 rate = le16_to_cpu(igp_info->info_6.usDVISSpreadRateIn10Hz);
813 break;
814 case ASIC_INTERNAL_SS_ON_HDMI:
815 percentage = le16_to_cpu(igp_info->info_6.usHDMISSPercentage);
816 rate = le16_to_cpu(igp_info->info_6.usHDMISSpreadRateIn10Hz);
817 break;
818 case ASIC_INTERNAL_SS_ON_LVDS:
819 percentage = le16_to_cpu(igp_info->info_6.usLvdsSSPercentage);
820 rate = le16_to_cpu(igp_info->info_6.usLvdsSSpreadRateIn10Hz);
821 break;
822 }
823 break;
824 case 7:
825 switch (id) {
826 case ASIC_INTERNAL_SS_ON_TMDS:
827 percentage = le16_to_cpu(igp_info->info_7.usDVISSPercentage);
828 rate = le16_to_cpu(igp_info->info_7.usDVISSpreadRateIn10Hz);
829 break;
830 case ASIC_INTERNAL_SS_ON_HDMI:
831 percentage = le16_to_cpu(igp_info->info_7.usHDMISSPercentage);
832 rate = le16_to_cpu(igp_info->info_7.usHDMISSpreadRateIn10Hz);
833 break;
834 case ASIC_INTERNAL_SS_ON_LVDS:
835 percentage = le16_to_cpu(igp_info->info_7.usLvdsSSPercentage);
836 rate = le16_to_cpu(igp_info->info_7.usLvdsSSpreadRateIn10Hz);
837 break;
838 }
839 break;
840 case 8:
841 switch (id) {
842 case ASIC_INTERNAL_SS_ON_TMDS:
843 percentage = le16_to_cpu(igp_info->info_8.usDVISSPercentage);
844 rate = le16_to_cpu(igp_info->info_8.usDVISSpreadRateIn10Hz);
845 break;
846 case ASIC_INTERNAL_SS_ON_HDMI:
847 percentage = le16_to_cpu(igp_info->info_8.usHDMISSPercentage);
848 rate = le16_to_cpu(igp_info->info_8.usHDMISSpreadRateIn10Hz);
849 break;
850 case ASIC_INTERNAL_SS_ON_LVDS:
851 percentage = le16_to_cpu(igp_info->info_8.usLvdsSSPercentage);
852 rate = le16_to_cpu(igp_info->info_8.usLvdsSSpreadRateIn10Hz);
853 break;
854 }
855 break;
856 case 9:
857 switch (id) {
858 case ASIC_INTERNAL_SS_ON_TMDS:
859 percentage = le16_to_cpu(igp_info->info_9.usDVISSPercentage);
860 rate = le16_to_cpu(igp_info->info_9.usDVISSpreadRateIn10Hz);
861 break;
862 case ASIC_INTERNAL_SS_ON_HDMI:
863 percentage = le16_to_cpu(igp_info->info_9.usHDMISSPercentage);
864 rate = le16_to_cpu(igp_info->info_9.usHDMISSpreadRateIn10Hz);
865 break;
866 case ASIC_INTERNAL_SS_ON_LVDS:
867 percentage = le16_to_cpu(igp_info->info_9.usLvdsSSPercentage);
868 rate = le16_to_cpu(igp_info->info_9.usLvdsSSpreadRateIn10Hz);
869 break;
870 }
871 break;
872 default:
873 DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
874 break;
875 }
876 if (percentage)
877 ss->percentage = percentage;
878 if (rate)
879 ss->rate = rate;
880 }
881 }
882
883 union asic_ss_info {
884 struct _ATOM_ASIC_INTERNAL_SS_INFO info;
885 struct _ATOM_ASIC_INTERNAL_SS_INFO_V2 info_2;
886 struct _ATOM_ASIC_INTERNAL_SS_INFO_V3 info_3;
887 };
888
889 union asic_ss_assignment {
890 struct _ATOM_ASIC_SS_ASSIGNMENT v1;
891 struct _ATOM_ASIC_SS_ASSIGNMENT_V2 v2;
892 struct _ATOM_ASIC_SS_ASSIGNMENT_V3 v3;
893 };
894
amdgpu_atombios_get_asic_ss_info(struct amdgpu_device * adev,struct amdgpu_atom_ss * ss,int id,u32 clock)895 bool amdgpu_atombios_get_asic_ss_info(struct amdgpu_device *adev,
896 struct amdgpu_atom_ss *ss,
897 int id, u32 clock)
898 {
899 struct amdgpu_mode_info *mode_info = &adev->mode_info;
900 int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
901 uint16_t data_offset, size;
902 union asic_ss_info *ss_info;
903 union asic_ss_assignment *ss_assign;
904 uint8_t frev, crev;
905 int i, num_indices;
906
907 if (id == ASIC_INTERNAL_MEMORY_SS) {
908 if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_MEMORY_CLOCK_SS_SUPPORT))
909 return false;
910 }
911 if (id == ASIC_INTERNAL_ENGINE_SS) {
912 if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_ENGINE_CLOCK_SS_SUPPORT))
913 return false;
914 }
915
916 memset(ss, 0, sizeof(struct amdgpu_atom_ss));
917 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, &size,
918 &frev, &crev, &data_offset)) {
919
920 ss_info =
921 (union asic_ss_info *)(mode_info->atom_context->bios + data_offset);
922
923 switch (frev) {
924 case 1:
925 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
926 sizeof(ATOM_ASIC_SS_ASSIGNMENT);
927
928 ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info.asSpreadSpectrum[0]);
929 for (i = 0; i < num_indices; i++) {
930 if ((ss_assign->v1.ucClockIndication == id) &&
931 (clock <= le32_to_cpu(ss_assign->v1.ulTargetClockRange))) {
932 ss->percentage =
933 le16_to_cpu(ss_assign->v1.usSpreadSpectrumPercentage);
934 ss->type = ss_assign->v1.ucSpreadSpectrumMode;
935 ss->rate = le16_to_cpu(ss_assign->v1.usSpreadRateInKhz);
936 ss->percentage_divider = 100;
937 return true;
938 }
939 ss_assign = (union asic_ss_assignment *)
940 ((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT));
941 }
942 break;
943 case 2:
944 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
945 sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2);
946 ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info_2.asSpreadSpectrum[0]);
947 for (i = 0; i < num_indices; i++) {
948 if ((ss_assign->v2.ucClockIndication == id) &&
949 (clock <= le32_to_cpu(ss_assign->v2.ulTargetClockRange))) {
950 ss->percentage =
951 le16_to_cpu(ss_assign->v2.usSpreadSpectrumPercentage);
952 ss->type = ss_assign->v2.ucSpreadSpectrumMode;
953 ss->rate = le16_to_cpu(ss_assign->v2.usSpreadRateIn10Hz);
954 ss->percentage_divider = 100;
955 if ((crev == 2) &&
956 ((id == ASIC_INTERNAL_ENGINE_SS) ||
957 (id == ASIC_INTERNAL_MEMORY_SS)))
958 ss->rate /= 100;
959 return true;
960 }
961 ss_assign = (union asic_ss_assignment *)
962 ((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2));
963 }
964 break;
965 case 3:
966 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
967 sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3);
968 ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info_3.asSpreadSpectrum[0]);
969 for (i = 0; i < num_indices; i++) {
970 if ((ss_assign->v3.ucClockIndication == id) &&
971 (clock <= le32_to_cpu(ss_assign->v3.ulTargetClockRange))) {
972 ss->percentage =
973 le16_to_cpu(ss_assign->v3.usSpreadSpectrumPercentage);
974 ss->type = ss_assign->v3.ucSpreadSpectrumMode;
975 ss->rate = le16_to_cpu(ss_assign->v3.usSpreadRateIn10Hz);
976 if (ss_assign->v3.ucSpreadSpectrumMode &
977 SS_MODE_V3_PERCENTAGE_DIV_BY_1000_MASK)
978 ss->percentage_divider = 1000;
979 else
980 ss->percentage_divider = 100;
981 if ((id == ASIC_INTERNAL_ENGINE_SS) ||
982 (id == ASIC_INTERNAL_MEMORY_SS))
983 ss->rate /= 100;
984 if (adev->flags & AMD_IS_APU)
985 amdgpu_atombios_get_igp_ss_overrides(adev, ss, id);
986 return true;
987 }
988 ss_assign = (union asic_ss_assignment *)
989 ((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3));
990 }
991 break;
992 default:
993 DRM_ERROR("Unsupported ASIC_InternalSS_Info table: %d %d\n", frev, crev);
994 break;
995 }
996
997 }
998 return false;
999 }
1000
1001 union get_clock_dividers {
1002 struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS v1;
1003 struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V2 v2;
1004 struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V3 v3;
1005 struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V4 v4;
1006 struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V5 v5;
1007 struct _COMPUTE_GPU_CLOCK_INPUT_PARAMETERS_V1_6 v6_in;
1008 struct _COMPUTE_GPU_CLOCK_OUTPUT_PARAMETERS_V1_6 v6_out;
1009 };
1010
amdgpu_atombios_get_clock_dividers(struct amdgpu_device * adev,u8 clock_type,u32 clock,bool strobe_mode,struct atom_clock_dividers * dividers)1011 int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev,
1012 u8 clock_type,
1013 u32 clock,
1014 bool strobe_mode,
1015 struct atom_clock_dividers *dividers)
1016 {
1017 union get_clock_dividers args;
1018 int index = GetIndexIntoMasterTable(COMMAND, ComputeMemoryEnginePLL);
1019 u8 frev, crev;
1020
1021 memset(&args, 0, sizeof(args));
1022 memset(dividers, 0, sizeof(struct atom_clock_dividers));
1023
1024 if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
1025 return -EINVAL;
1026
1027 switch (crev) {
1028 case 2:
1029 case 3:
1030 case 5:
1031 /* r6xx, r7xx, evergreen, ni, si.
1032 * TODO: add support for asic_type <= CHIP_RV770*/
1033 if (clock_type == COMPUTE_ENGINE_PLL_PARAM) {
1034 args.v3.ulClockParams = cpu_to_le32((clock_type << 24) | clock);
1035
1036 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1037
1038 dividers->post_div = args.v3.ucPostDiv;
1039 dividers->enable_post_div = (args.v3.ucCntlFlag &
1040 ATOM_PLL_CNTL_FLAG_PLL_POST_DIV_EN) ? true : false;
1041 dividers->enable_dithen = (args.v3.ucCntlFlag &
1042 ATOM_PLL_CNTL_FLAG_FRACTION_DISABLE) ? false : true;
1043 dividers->whole_fb_div = le16_to_cpu(args.v3.ulFbDiv.usFbDiv);
1044 dividers->frac_fb_div = le16_to_cpu(args.v3.ulFbDiv.usFbDivFrac);
1045 dividers->ref_div = args.v3.ucRefDiv;
1046 dividers->vco_mode = (args.v3.ucCntlFlag &
1047 ATOM_PLL_CNTL_FLAG_MPLL_VCO_MODE) ? 1 : 0;
1048 } else {
1049 /* for SI we use ComputeMemoryClockParam for memory plls */
1050 if (adev->asic_type >= CHIP_TAHITI)
1051 return -EINVAL;
1052 args.v5.ulClockParams = cpu_to_le32((clock_type << 24) | clock);
1053 if (strobe_mode)
1054 args.v5.ucInputFlag = ATOM_PLL_INPUT_FLAG_PLL_STROBE_MODE_EN;
1055
1056 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1057
1058 dividers->post_div = args.v5.ucPostDiv;
1059 dividers->enable_post_div = (args.v5.ucCntlFlag &
1060 ATOM_PLL_CNTL_FLAG_PLL_POST_DIV_EN) ? true : false;
1061 dividers->enable_dithen = (args.v5.ucCntlFlag &
1062 ATOM_PLL_CNTL_FLAG_FRACTION_DISABLE) ? false : true;
1063 dividers->whole_fb_div = le16_to_cpu(args.v5.ulFbDiv.usFbDiv);
1064 dividers->frac_fb_div = le16_to_cpu(args.v5.ulFbDiv.usFbDivFrac);
1065 dividers->ref_div = args.v5.ucRefDiv;
1066 dividers->vco_mode = (args.v5.ucCntlFlag &
1067 ATOM_PLL_CNTL_FLAG_MPLL_VCO_MODE) ? 1 : 0;
1068 }
1069 break;
1070 case 4:
1071 /* fusion */
1072 args.v4.ulClock = cpu_to_le32(clock); /* 10 khz */
1073
1074 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1075
1076 dividers->post_divider = dividers->post_div = args.v4.ucPostDiv;
1077 dividers->real_clock = le32_to_cpu(args.v4.ulClock);
1078 break;
1079 case 6:
1080 /* CI */
1081 /* COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK, COMPUTE_GPUCLK_INPUT_FLAG_SCLK */
1082 args.v6_in.ulClock.ulComputeClockFlag = clock_type;
1083 args.v6_in.ulClock.ulClockFreq = cpu_to_le32(clock); /* 10 khz */
1084
1085 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1086
1087 dividers->whole_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDiv);
1088 dividers->frac_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDivFrac);
1089 dividers->ref_div = args.v6_out.ucPllRefDiv;
1090 dividers->post_div = args.v6_out.ucPllPostDiv;
1091 dividers->flags = args.v6_out.ucPllCntlFlag;
1092 dividers->real_clock = le32_to_cpu(args.v6_out.ulClock.ulClock);
1093 dividers->post_divider = args.v6_out.ulClock.ucPostDiv;
1094 break;
1095 default:
1096 return -EINVAL;
1097 }
1098 return 0;
1099 }
1100
amdgpu_atombios_get_memory_pll_dividers(struct amdgpu_device * adev,u32 clock,bool strobe_mode,struct atom_mpll_param * mpll_param)1101 int amdgpu_atombios_get_memory_pll_dividers(struct amdgpu_device *adev,
1102 u32 clock,
1103 bool strobe_mode,
1104 struct atom_mpll_param *mpll_param)
1105 {
1106 COMPUTE_MEMORY_CLOCK_PARAM_PARAMETERS_V2_1 args;
1107 int index = GetIndexIntoMasterTable(COMMAND, ComputeMemoryClockParam);
1108 u8 frev, crev;
1109
1110 memset(&args, 0, sizeof(args));
1111 memset(mpll_param, 0, sizeof(struct atom_mpll_param));
1112
1113 if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
1114 return -EINVAL;
1115
1116 switch (frev) {
1117 case 2:
1118 switch (crev) {
1119 case 1:
1120 /* SI */
1121 args.ulClock = cpu_to_le32(clock); /* 10 khz */
1122 args.ucInputFlag = 0;
1123 if (strobe_mode)
1124 args.ucInputFlag |= MPLL_INPUT_FLAG_STROBE_MODE_EN;
1125
1126 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1127
1128 mpll_param->clkfrac = le16_to_cpu(args.ulFbDiv.usFbDivFrac);
1129 mpll_param->clkf = le16_to_cpu(args.ulFbDiv.usFbDiv);
1130 mpll_param->post_div = args.ucPostDiv;
1131 mpll_param->dll_speed = args.ucDllSpeed;
1132 mpll_param->bwcntl = args.ucBWCntl;
1133 mpll_param->vco_mode =
1134 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_VCO_MODE_MASK);
1135 mpll_param->yclk_sel =
1136 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_BYPASS_DQ_PLL) ? 1 : 0;
1137 mpll_param->qdr =
1138 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_QDR_ENABLE) ? 1 : 0;
1139 mpll_param->half_rate =
1140 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_AD_HALF_RATE) ? 1 : 0;
1141 break;
1142 default:
1143 return -EINVAL;
1144 }
1145 break;
1146 default:
1147 return -EINVAL;
1148 }
1149 return 0;
1150 }
1151
amdgpu_atombios_set_engine_dram_timings(struct amdgpu_device * adev,u32 eng_clock,u32 mem_clock)1152 void amdgpu_atombios_set_engine_dram_timings(struct amdgpu_device *adev,
1153 u32 eng_clock, u32 mem_clock)
1154 {
1155 SET_ENGINE_CLOCK_PS_ALLOCATION args;
1156 int index = GetIndexIntoMasterTable(COMMAND, DynamicMemorySettings);
1157 u32 tmp;
1158
1159 memset(&args, 0, sizeof(args));
1160
1161 tmp = eng_clock & SET_CLOCK_FREQ_MASK;
1162 tmp |= (COMPUTE_ENGINE_PLL_PARAM << 24);
1163
1164 args.ulTargetEngineClock = cpu_to_le32(tmp);
1165 if (mem_clock)
1166 args.sReserved.ulClock = cpu_to_le32(mem_clock & SET_CLOCK_FREQ_MASK);
1167
1168 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1169 }
1170
amdgpu_atombios_get_default_voltages(struct amdgpu_device * adev,u16 * vddc,u16 * vddci,u16 * mvdd)1171 void amdgpu_atombios_get_default_voltages(struct amdgpu_device *adev,
1172 u16 *vddc, u16 *vddci, u16 *mvdd)
1173 {
1174 struct amdgpu_mode_info *mode_info = &adev->mode_info;
1175 int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
1176 u8 frev, crev;
1177 u16 data_offset;
1178 union firmware_info *firmware_info;
1179
1180 *vddc = 0;
1181 *vddci = 0;
1182 *mvdd = 0;
1183
1184 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
1185 &frev, &crev, &data_offset)) {
1186 firmware_info =
1187 (union firmware_info *)(mode_info->atom_context->bios +
1188 data_offset);
1189 *vddc = le16_to_cpu(firmware_info->info_14.usBootUpVDDCVoltage);
1190 if ((frev == 2) && (crev >= 2)) {
1191 *vddci = le16_to_cpu(firmware_info->info_22.usBootUpVDDCIVoltage);
1192 *mvdd = le16_to_cpu(firmware_info->info_22.usBootUpMVDDCVoltage);
1193 }
1194 }
1195 }
1196
1197 union set_voltage {
1198 struct _SET_VOLTAGE_PS_ALLOCATION alloc;
1199 struct _SET_VOLTAGE_PARAMETERS v1;
1200 struct _SET_VOLTAGE_PARAMETERS_V2 v2;
1201 struct _SET_VOLTAGE_PARAMETERS_V1_3 v3;
1202 };
1203
amdgpu_atombios_get_max_vddc(struct amdgpu_device * adev,u8 voltage_type,u16 voltage_id,u16 * voltage)1204 int amdgpu_atombios_get_max_vddc(struct amdgpu_device *adev, u8 voltage_type,
1205 u16 voltage_id, u16 *voltage)
1206 {
1207 union set_voltage args;
1208 int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
1209 u8 frev, crev;
1210
1211 if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
1212 return -EINVAL;
1213
1214 switch (crev) {
1215 case 1:
1216 return -EINVAL;
1217 case 2:
1218 args.v2.ucVoltageType = SET_VOLTAGE_GET_MAX_VOLTAGE;
1219 args.v2.ucVoltageMode = 0;
1220 args.v2.usVoltageLevel = 0;
1221
1222 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1223
1224 *voltage = le16_to_cpu(args.v2.usVoltageLevel);
1225 break;
1226 case 3:
1227 args.v3.ucVoltageType = voltage_type;
1228 args.v3.ucVoltageMode = ATOM_GET_VOLTAGE_LEVEL;
1229 args.v3.usVoltageLevel = cpu_to_le16(voltage_id);
1230
1231 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1232
1233 *voltage = le16_to_cpu(args.v3.usVoltageLevel);
1234 break;
1235 default:
1236 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
1237 return -EINVAL;
1238 }
1239
1240 return 0;
1241 }
1242
amdgpu_atombios_get_leakage_vddc_based_on_leakage_idx(struct amdgpu_device * adev,u16 * voltage,u16 leakage_idx)1243 int amdgpu_atombios_get_leakage_vddc_based_on_leakage_idx(struct amdgpu_device *adev,
1244 u16 *voltage,
1245 u16 leakage_idx)
1246 {
1247 return amdgpu_atombios_get_max_vddc(adev, VOLTAGE_TYPE_VDDC, leakage_idx, voltage);
1248 }
1249
amdgpu_atombios_get_leakage_id_from_vbios(struct amdgpu_device * adev,u16 * leakage_id)1250 int amdgpu_atombios_get_leakage_id_from_vbios(struct amdgpu_device *adev,
1251 u16 *leakage_id)
1252 {
1253 union set_voltage args;
1254 int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
1255 u8 frev, crev;
1256
1257 if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
1258 return -EINVAL;
1259
1260 switch (crev) {
1261 case 3:
1262 case 4:
1263 args.v3.ucVoltageType = 0;
1264 args.v3.ucVoltageMode = ATOM_GET_LEAKAGE_ID;
1265 args.v3.usVoltageLevel = 0;
1266
1267 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1268
1269 *leakage_id = le16_to_cpu(args.v3.usVoltageLevel);
1270 break;
1271 default:
1272 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
1273 return -EINVAL;
1274 }
1275
1276 return 0;
1277 }
1278
amdgpu_atombios_get_leakage_vddc_based_on_leakage_params(struct amdgpu_device * adev,u16 * vddc,u16 * vddci,u16 virtual_voltage_id,u16 vbios_voltage_id)1279 int amdgpu_atombios_get_leakage_vddc_based_on_leakage_params(struct amdgpu_device *adev,
1280 u16 *vddc, u16 *vddci,
1281 u16 virtual_voltage_id,
1282 u16 vbios_voltage_id)
1283 {
1284 int index = GetIndexIntoMasterTable(DATA, ASIC_ProfilingInfo);
1285 u8 frev, crev;
1286 u16 data_offset, size;
1287 int i, j;
1288 ATOM_ASIC_PROFILING_INFO_V2_1 *profile;
1289 u16 *leakage_bin, *vddc_id_buf, *vddc_buf, *vddci_id_buf, *vddci_buf;
1290
1291 *vddc = 0;
1292 *vddci = 0;
1293
1294 if (!amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
1295 &frev, &crev, &data_offset))
1296 return -EINVAL;
1297
1298 profile = (ATOM_ASIC_PROFILING_INFO_V2_1 *)
1299 (adev->mode_info.atom_context->bios + data_offset);
1300
1301 switch (frev) {
1302 case 1:
1303 return -EINVAL;
1304 case 2:
1305 switch (crev) {
1306 case 1:
1307 if (size < sizeof(ATOM_ASIC_PROFILING_INFO_V2_1))
1308 return -EINVAL;
1309 leakage_bin = (u16 *)
1310 (adev->mode_info.atom_context->bios + data_offset +
1311 le16_to_cpu(profile->usLeakageBinArrayOffset));
1312 vddc_id_buf = (u16 *)
1313 (adev->mode_info.atom_context->bios + data_offset +
1314 le16_to_cpu(profile->usElbVDDC_IdArrayOffset));
1315 vddc_buf = (u16 *)
1316 (adev->mode_info.atom_context->bios + data_offset +
1317 le16_to_cpu(profile->usElbVDDC_LevelArrayOffset));
1318 vddci_id_buf = (u16 *)
1319 (adev->mode_info.atom_context->bios + data_offset +
1320 le16_to_cpu(profile->usElbVDDCI_IdArrayOffset));
1321 vddci_buf = (u16 *)
1322 (adev->mode_info.atom_context->bios + data_offset +
1323 le16_to_cpu(profile->usElbVDDCI_LevelArrayOffset));
1324
1325 if (profile->ucElbVDDC_Num > 0) {
1326 for (i = 0; i < profile->ucElbVDDC_Num; i++) {
1327 if (vddc_id_buf[i] == virtual_voltage_id) {
1328 for (j = 0; j < profile->ucLeakageBinNum; j++) {
1329 if (vbios_voltage_id <= leakage_bin[j]) {
1330 *vddc = vddc_buf[j * profile->ucElbVDDC_Num + i];
1331 break;
1332 }
1333 }
1334 break;
1335 }
1336 }
1337 }
1338 if (profile->ucElbVDDCI_Num > 0) {
1339 for (i = 0; i < profile->ucElbVDDCI_Num; i++) {
1340 if (vddci_id_buf[i] == virtual_voltage_id) {
1341 for (j = 0; j < profile->ucLeakageBinNum; j++) {
1342 if (vbios_voltage_id <= leakage_bin[j]) {
1343 *vddci = vddci_buf[j * profile->ucElbVDDCI_Num + i];
1344 break;
1345 }
1346 }
1347 break;
1348 }
1349 }
1350 }
1351 break;
1352 default:
1353 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
1354 return -EINVAL;
1355 }
1356 break;
1357 default:
1358 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
1359 return -EINVAL;
1360 }
1361
1362 return 0;
1363 }
1364
1365 union get_voltage_info {
1366 struct _GET_VOLTAGE_INFO_INPUT_PARAMETER_V1_2 in;
1367 struct _GET_EVV_VOLTAGE_INFO_OUTPUT_PARAMETER_V1_2 evv_out;
1368 };
1369
amdgpu_atombios_get_voltage_evv(struct amdgpu_device * adev,u16 virtual_voltage_id,u16 * voltage)1370 int amdgpu_atombios_get_voltage_evv(struct amdgpu_device *adev,
1371 u16 virtual_voltage_id,
1372 u16 *voltage)
1373 {
1374 int index = GetIndexIntoMasterTable(COMMAND, GetVoltageInfo);
1375 u32 entry_id;
1376 u32 count = adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.count;
1377 union get_voltage_info args;
1378
1379 for (entry_id = 0; entry_id < count; entry_id++) {
1380 if (adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[entry_id].v ==
1381 virtual_voltage_id)
1382 break;
1383 }
1384
1385 if (entry_id >= count)
1386 return -EINVAL;
1387
1388 args.in.ucVoltageType = VOLTAGE_TYPE_VDDC;
1389 args.in.ucVoltageMode = ATOM_GET_VOLTAGE_EVV_VOLTAGE;
1390 args.in.usVoltageLevel = cpu_to_le16(virtual_voltage_id);
1391 args.in.ulSCLKFreq =
1392 cpu_to_le32(adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[entry_id].clk);
1393
1394 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1395
1396 *voltage = le16_to_cpu(args.evv_out.usVoltageLevel);
1397
1398 return 0;
1399 }
1400
1401 union voltage_object_info {
1402 struct _ATOM_VOLTAGE_OBJECT_INFO v1;
1403 struct _ATOM_VOLTAGE_OBJECT_INFO_V2 v2;
1404 struct _ATOM_VOLTAGE_OBJECT_INFO_V3_1 v3;
1405 };
1406
1407 union voltage_object {
1408 struct _ATOM_VOLTAGE_OBJECT v1;
1409 struct _ATOM_VOLTAGE_OBJECT_V2 v2;
1410 union _ATOM_VOLTAGE_OBJECT_V3 v3;
1411 };
1412
1413
amdgpu_atombios_lookup_voltage_object_v3(ATOM_VOLTAGE_OBJECT_INFO_V3_1 * v3,u8 voltage_type,u8 voltage_mode)1414 static ATOM_VOLTAGE_OBJECT_V3 *amdgpu_atombios_lookup_voltage_object_v3(ATOM_VOLTAGE_OBJECT_INFO_V3_1 *v3,
1415 u8 voltage_type, u8 voltage_mode)
1416 {
1417 u32 size = le16_to_cpu(v3->sHeader.usStructureSize);
1418 u32 offset = offsetof(ATOM_VOLTAGE_OBJECT_INFO_V3_1, asVoltageObj[0]);
1419 u8 *start = (u8*)v3;
1420
1421 while (offset < size) {
1422 ATOM_VOLTAGE_OBJECT_V3 *vo = (ATOM_VOLTAGE_OBJECT_V3 *)(start + offset);
1423 if ((vo->asGpioVoltageObj.sHeader.ucVoltageType == voltage_type) &&
1424 (vo->asGpioVoltageObj.sHeader.ucVoltageMode == voltage_mode))
1425 return vo;
1426 offset += le16_to_cpu(vo->asGpioVoltageObj.sHeader.usSize);
1427 }
1428 return NULL;
1429 }
1430
amdgpu_atombios_get_svi2_info(struct amdgpu_device * adev,u8 voltage_type,u8 * svd_gpio_id,u8 * svc_gpio_id)1431 int amdgpu_atombios_get_svi2_info(struct amdgpu_device *adev,
1432 u8 voltage_type,
1433 u8 *svd_gpio_id, u8 *svc_gpio_id)
1434 {
1435 int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
1436 u8 frev, crev;
1437 u16 data_offset, size;
1438 union voltage_object_info *voltage_info;
1439 union voltage_object *voltage_object = NULL;
1440
1441 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
1442 &frev, &crev, &data_offset)) {
1443 voltage_info = (union voltage_object_info *)
1444 (adev->mode_info.atom_context->bios + data_offset);
1445
1446 switch (frev) {
1447 case 3:
1448 switch (crev) {
1449 case 1:
1450 voltage_object = (union voltage_object *)
1451 amdgpu_atombios_lookup_voltage_object_v3(&voltage_info->v3,
1452 voltage_type,
1453 VOLTAGE_OBJ_SVID2);
1454 if (voltage_object) {
1455 *svd_gpio_id = voltage_object->v3.asSVID2Obj.ucSVDGpioId;
1456 *svc_gpio_id = voltage_object->v3.asSVID2Obj.ucSVCGpioId;
1457 } else {
1458 return -EINVAL;
1459 }
1460 break;
1461 default:
1462 DRM_ERROR("unknown voltage object table\n");
1463 return -EINVAL;
1464 }
1465 break;
1466 default:
1467 DRM_ERROR("unknown voltage object table\n");
1468 return -EINVAL;
1469 }
1470
1471 }
1472 return 0;
1473 }
1474
1475 bool
amdgpu_atombios_is_voltage_gpio(struct amdgpu_device * adev,u8 voltage_type,u8 voltage_mode)1476 amdgpu_atombios_is_voltage_gpio(struct amdgpu_device *adev,
1477 u8 voltage_type, u8 voltage_mode)
1478 {
1479 int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
1480 u8 frev, crev;
1481 u16 data_offset, size;
1482 union voltage_object_info *voltage_info;
1483
1484 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
1485 &frev, &crev, &data_offset)) {
1486 voltage_info = (union voltage_object_info *)
1487 (adev->mode_info.atom_context->bios + data_offset);
1488
1489 switch (frev) {
1490 case 3:
1491 switch (crev) {
1492 case 1:
1493 if (amdgpu_atombios_lookup_voltage_object_v3(&voltage_info->v3,
1494 voltage_type, voltage_mode))
1495 return true;
1496 break;
1497 default:
1498 DRM_ERROR("unknown voltage object table\n");
1499 return false;
1500 }
1501 break;
1502 default:
1503 DRM_ERROR("unknown voltage object table\n");
1504 return false;
1505 }
1506
1507 }
1508 return false;
1509 }
1510
amdgpu_atombios_get_voltage_table(struct amdgpu_device * adev,u8 voltage_type,u8 voltage_mode,struct atom_voltage_table * voltage_table)1511 int amdgpu_atombios_get_voltage_table(struct amdgpu_device *adev,
1512 u8 voltage_type, u8 voltage_mode,
1513 struct atom_voltage_table *voltage_table)
1514 {
1515 int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
1516 u8 frev, crev;
1517 u16 data_offset, size;
1518 int i;
1519 union voltage_object_info *voltage_info;
1520 union voltage_object *voltage_object = NULL;
1521
1522 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
1523 &frev, &crev, &data_offset)) {
1524 voltage_info = (union voltage_object_info *)
1525 (adev->mode_info.atom_context->bios + data_offset);
1526
1527 switch (frev) {
1528 case 3:
1529 switch (crev) {
1530 case 1:
1531 voltage_object = (union voltage_object *)
1532 amdgpu_atombios_lookup_voltage_object_v3(&voltage_info->v3,
1533 voltage_type, voltage_mode);
1534 if (voltage_object) {
1535 ATOM_GPIO_VOLTAGE_OBJECT_V3 *gpio =
1536 &voltage_object->v3.asGpioVoltageObj;
1537 VOLTAGE_LUT_ENTRY_V2 *lut;
1538 if (gpio->ucGpioEntryNum > MAX_VOLTAGE_ENTRIES)
1539 return -EINVAL;
1540 lut = &gpio->asVolGpioLut[0];
1541 for (i = 0; i < gpio->ucGpioEntryNum; i++) {
1542 voltage_table->entries[i].value =
1543 le16_to_cpu(lut->usVoltageValue);
1544 voltage_table->entries[i].smio_low =
1545 le32_to_cpu(lut->ulVoltageId);
1546 lut = (VOLTAGE_LUT_ENTRY_V2 *)
1547 ((u8 *)lut + sizeof(VOLTAGE_LUT_ENTRY_V2));
1548 }
1549 voltage_table->mask_low = le32_to_cpu(gpio->ulGpioMaskVal);
1550 voltage_table->count = gpio->ucGpioEntryNum;
1551 voltage_table->phase_delay = gpio->ucPhaseDelay;
1552 return 0;
1553 }
1554 break;
1555 default:
1556 DRM_ERROR("unknown voltage object table\n");
1557 return -EINVAL;
1558 }
1559 break;
1560 default:
1561 DRM_ERROR("unknown voltage object table\n");
1562 return -EINVAL;
1563 }
1564 }
1565 return -EINVAL;
1566 }
1567
1568 union vram_info {
1569 struct _ATOM_VRAM_INFO_V3 v1_3;
1570 struct _ATOM_VRAM_INFO_V4 v1_4;
1571 struct _ATOM_VRAM_INFO_HEADER_V2_1 v2_1;
1572 };
1573
1574 #define MEM_ID_MASK 0xff000000
1575 #define MEM_ID_SHIFT 24
1576 #define CLOCK_RANGE_MASK 0x00ffffff
1577 #define CLOCK_RANGE_SHIFT 0
1578 #define LOW_NIBBLE_MASK 0xf
1579 #define DATA_EQU_PREV 0
1580 #define DATA_FROM_TABLE 4
1581
amdgpu_atombios_init_mc_reg_table(struct amdgpu_device * adev,u8 module_index,struct atom_mc_reg_table * reg_table)1582 int amdgpu_atombios_init_mc_reg_table(struct amdgpu_device *adev,
1583 u8 module_index,
1584 struct atom_mc_reg_table *reg_table)
1585 {
1586 int index = GetIndexIntoMasterTable(DATA, VRAM_Info);
1587 u8 frev, crev, num_entries, t_mem_id, num_ranges = 0;
1588 u32 i = 0, j;
1589 u16 data_offset, size;
1590 union vram_info *vram_info;
1591
1592 memset(reg_table, 0, sizeof(struct atom_mc_reg_table));
1593
1594 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
1595 &frev, &crev, &data_offset)) {
1596 vram_info = (union vram_info *)
1597 (adev->mode_info.atom_context->bios + data_offset);
1598 switch (frev) {
1599 case 1:
1600 DRM_ERROR("old table version %d, %d\n", frev, crev);
1601 return -EINVAL;
1602 case 2:
1603 switch (crev) {
1604 case 1:
1605 if (module_index < vram_info->v2_1.ucNumOfVRAMModule) {
1606 ATOM_INIT_REG_BLOCK *reg_block =
1607 (ATOM_INIT_REG_BLOCK *)
1608 ((u8 *)vram_info + le16_to_cpu(vram_info->v2_1.usMemClkPatchTblOffset));
1609 ATOM_MEMORY_SETTING_DATA_BLOCK *reg_data =
1610 (ATOM_MEMORY_SETTING_DATA_BLOCK *)
1611 ((u8 *)reg_block + (2 * sizeof(u16)) +
1612 le16_to_cpu(reg_block->usRegIndexTblSize));
1613 ATOM_INIT_REG_INDEX_FORMAT *format = ®_block->asRegIndexBuf[0];
1614 num_entries = (u8)((le16_to_cpu(reg_block->usRegIndexTblSize)) /
1615 sizeof(ATOM_INIT_REG_INDEX_FORMAT)) - 1;
1616 if (num_entries > VBIOS_MC_REGISTER_ARRAY_SIZE)
1617 return -EINVAL;
1618 while (i < num_entries) {
1619 if (format->ucPreRegDataLength & ACCESS_PLACEHOLDER)
1620 break;
1621 reg_table->mc_reg_address[i].s1 =
1622 (u16)(le16_to_cpu(format->usRegIndex));
1623 reg_table->mc_reg_address[i].pre_reg_data =
1624 (u8)(format->ucPreRegDataLength);
1625 i++;
1626 format = (ATOM_INIT_REG_INDEX_FORMAT *)
1627 ((u8 *)format + sizeof(ATOM_INIT_REG_INDEX_FORMAT));
1628 }
1629 reg_table->last = i;
1630 while ((le32_to_cpu(*(u32 *)reg_data) != END_OF_REG_DATA_BLOCK) &&
1631 (num_ranges < VBIOS_MAX_AC_TIMING_ENTRIES)) {
1632 t_mem_id = (u8)((le32_to_cpu(*(u32 *)reg_data) & MEM_ID_MASK)
1633 >> MEM_ID_SHIFT);
1634 if (module_index == t_mem_id) {
1635 reg_table->mc_reg_table_entry[num_ranges].mclk_max =
1636 (u32)((le32_to_cpu(*(u32 *)reg_data) & CLOCK_RANGE_MASK)
1637 >> CLOCK_RANGE_SHIFT);
1638 for (i = 0, j = 1; i < reg_table->last; i++) {
1639 if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_FROM_TABLE) {
1640 reg_table->mc_reg_table_entry[num_ranges].mc_data[i] =
1641 (u32)le32_to_cpu(*((u32 *)reg_data + j));
1642 j++;
1643 } else if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) {
1644 reg_table->mc_reg_table_entry[num_ranges].mc_data[i] =
1645 reg_table->mc_reg_table_entry[num_ranges].mc_data[i - 1];
1646 }
1647 }
1648 num_ranges++;
1649 }
1650 reg_data = (ATOM_MEMORY_SETTING_DATA_BLOCK *)
1651 ((u8 *)reg_data + le16_to_cpu(reg_block->usRegDataBlkSize));
1652 }
1653 if (le32_to_cpu(*(u32 *)reg_data) != END_OF_REG_DATA_BLOCK)
1654 return -EINVAL;
1655 reg_table->num_entries = num_ranges;
1656 } else
1657 return -EINVAL;
1658 break;
1659 default:
1660 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
1661 return -EINVAL;
1662 }
1663 break;
1664 default:
1665 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
1666 return -EINVAL;
1667 }
1668 return 0;
1669 }
1670 return -EINVAL;
1671 }
1672
amdgpu_atombios_has_gpu_virtualization_table(struct amdgpu_device * adev)1673 bool amdgpu_atombios_has_gpu_virtualization_table(struct amdgpu_device *adev)
1674 {
1675 int index = GetIndexIntoMasterTable(DATA, GPUVirtualizationInfo);
1676 u8 frev, crev;
1677 u16 data_offset, size;
1678
1679 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
1680 &frev, &crev, &data_offset))
1681 return true;
1682
1683 return false;
1684 }
1685
amdgpu_atombios_scratch_regs_lock(struct amdgpu_device * adev,bool lock)1686 void amdgpu_atombios_scratch_regs_lock(struct amdgpu_device *adev, bool lock)
1687 {
1688 uint32_t bios_6_scratch;
1689
1690 bios_6_scratch = RREG32(adev->bios_scratch_reg_offset + 6);
1691
1692 if (lock) {
1693 bios_6_scratch |= ATOM_S6_CRITICAL_STATE;
1694 bios_6_scratch &= ~ATOM_S6_ACC_MODE;
1695 } else {
1696 bios_6_scratch &= ~ATOM_S6_CRITICAL_STATE;
1697 bios_6_scratch |= ATOM_S6_ACC_MODE;
1698 }
1699
1700 WREG32(adev->bios_scratch_reg_offset + 6, bios_6_scratch);
1701 }
1702
amdgpu_atombios_scratch_regs_init(struct amdgpu_device * adev)1703 static void amdgpu_atombios_scratch_regs_init(struct amdgpu_device *adev)
1704 {
1705 uint32_t bios_2_scratch, bios_6_scratch;
1706
1707 adev->bios_scratch_reg_offset = mmBIOS_SCRATCH_0;
1708
1709 bios_2_scratch = RREG32(adev->bios_scratch_reg_offset + 2);
1710 bios_6_scratch = RREG32(adev->bios_scratch_reg_offset + 6);
1711
1712 /* let the bios control the backlight */
1713 bios_2_scratch &= ~ATOM_S2_VRI_BRIGHT_ENABLE;
1714
1715 /* tell the bios not to handle mode switching */
1716 bios_6_scratch |= ATOM_S6_ACC_BLOCK_DISPLAY_SWITCH;
1717
1718 /* clear the vbios dpms state */
1719 bios_2_scratch &= ~ATOM_S2_DEVICE_DPMS_STATE;
1720
1721 WREG32(adev->bios_scratch_reg_offset + 2, bios_2_scratch);
1722 WREG32(adev->bios_scratch_reg_offset + 6, bios_6_scratch);
1723 }
1724
amdgpu_atombios_scratch_regs_engine_hung(struct amdgpu_device * adev,bool hung)1725 void amdgpu_atombios_scratch_regs_engine_hung(struct amdgpu_device *adev,
1726 bool hung)
1727 {
1728 u32 tmp = RREG32(adev->bios_scratch_reg_offset + 3);
1729
1730 if (hung)
1731 tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
1732 else
1733 tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
1734
1735 WREG32(adev->bios_scratch_reg_offset + 3, tmp);
1736 }
1737
amdgpu_atombios_scratch_need_asic_init(struct amdgpu_device * adev)1738 bool amdgpu_atombios_scratch_need_asic_init(struct amdgpu_device *adev)
1739 {
1740 u32 tmp = RREG32(adev->bios_scratch_reg_offset + 7);
1741
1742 if (tmp & ATOM_S7_ASIC_INIT_COMPLETE_MASK)
1743 return false;
1744 else
1745 return true;
1746 }
1747
1748 /* Atom needs data in little endian format so swap as appropriate when copying
1749 * data to or from atom. Note that atom operates on dw units.
1750 *
1751 * Use to_le=true when sending data to atom and provide at least
1752 * ALIGN(num_bytes,4) bytes in the dst buffer.
1753 *
1754 * Use to_le=false when receiving data from atom and provide ALIGN(num_bytes,4)
1755 * byes in the src buffer.
1756 */
amdgpu_atombios_copy_swap(u8 * dst,u8 * src,u8 num_bytes,bool to_le)1757 void amdgpu_atombios_copy_swap(u8 *dst, u8 *src, u8 num_bytes, bool to_le)
1758 {
1759 #ifdef __BIG_ENDIAN
1760 u32 src_tmp[5], dst_tmp[5];
1761 int i;
1762 u8 align_num_bytes = ALIGN(num_bytes, 4);
1763
1764 if (to_le) {
1765 memcpy(src_tmp, src, num_bytes);
1766 for (i = 0; i < align_num_bytes / 4; i++)
1767 dst_tmp[i] = cpu_to_le32(src_tmp[i]);
1768 memcpy(dst, dst_tmp, align_num_bytes);
1769 } else {
1770 memcpy(src_tmp, src, align_num_bytes);
1771 for (i = 0; i < align_num_bytes / 4; i++)
1772 dst_tmp[i] = le32_to_cpu(src_tmp[i]);
1773 memcpy(dst, dst_tmp, num_bytes);
1774 }
1775 #else
1776 memcpy(dst, src, num_bytes);
1777 #endif
1778 }
1779
amdgpu_atombios_allocate_fb_scratch(struct amdgpu_device * adev)1780 static int amdgpu_atombios_allocate_fb_scratch(struct amdgpu_device *adev)
1781 {
1782 struct atom_context *ctx = adev->mode_info.atom_context;
1783 int index = GetIndexIntoMasterTable(DATA, VRAM_UsageByFirmware);
1784 uint16_t data_offset;
1785 int usage_bytes = 0;
1786 struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage;
1787 u64 start_addr;
1788 u64 size;
1789
1790 if (amdgpu_atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) {
1791 firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset);
1792
1793 DRM_DEBUG("atom firmware requested %08x %dkb\n",
1794 le32_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware),
1795 le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb));
1796
1797 start_addr = firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware;
1798 size = firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb;
1799
1800 if ((uint32_t)(start_addr & ATOM_VRAM_OPERATION_FLAGS_MASK) ==
1801 (uint32_t)(ATOM_VRAM_BLOCK_SRIOV_MSG_SHARE_RESERVATION <<
1802 ATOM_VRAM_OPERATION_FLAGS_SHIFT)) {
1803 /* Firmware request VRAM reservation for SR-IOV */
1804 adev->fw_vram_usage.start_offset = (start_addr &
1805 (~ATOM_VRAM_OPERATION_FLAGS_MASK)) << 10;
1806 adev->fw_vram_usage.size = size << 10;
1807 /* Use the default scratch size */
1808 usage_bytes = 0;
1809 } else {
1810 usage_bytes = le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb) * 1024;
1811 }
1812 }
1813 ctx->scratch_size_bytes = 0;
1814 if (usage_bytes == 0)
1815 usage_bytes = 20 * 1024;
1816 /* allocate some scratch memory */
1817 ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL);
1818 if (!ctx->scratch)
1819 return -ENOMEM;
1820 ctx->scratch_size_bytes = usage_bytes;
1821 return 0;
1822 }
1823
1824 /* ATOM accessor methods */
1825 /*
1826 * ATOM is an interpreted byte code stored in tables in the vbios. The
1827 * driver registers callbacks to access registers and the interpreter
1828 * in the driver parses the tables and executes then to program specific
1829 * actions (set display modes, asic init, etc.). See amdgpu_atombios.c,
1830 * atombios.h, and atom.c
1831 */
1832
1833 /**
1834 * cail_pll_read - read PLL register
1835 *
1836 * @info: atom card_info pointer
1837 * @reg: PLL register offset
1838 *
1839 * Provides a PLL register accessor for the atom interpreter (r4xx+).
1840 * Returns the value of the PLL register.
1841 */
cail_pll_read(struct card_info * info,uint32_t reg)1842 static uint32_t cail_pll_read(struct card_info *info, uint32_t reg)
1843 {
1844 return 0;
1845 }
1846
1847 /**
1848 * cail_pll_write - write PLL register
1849 *
1850 * @info: atom card_info pointer
1851 * @reg: PLL register offset
1852 * @val: value to write to the pll register
1853 *
1854 * Provides a PLL register accessor for the atom interpreter (r4xx+).
1855 */
cail_pll_write(struct card_info * info,uint32_t reg,uint32_t val)1856 static void cail_pll_write(struct card_info *info, uint32_t reg, uint32_t val)
1857 {
1858
1859 }
1860
1861 /**
1862 * cail_mc_read - read MC (Memory Controller) register
1863 *
1864 * @info: atom card_info pointer
1865 * @reg: MC register offset
1866 *
1867 * Provides an MC register accessor for the atom interpreter (r4xx+).
1868 * Returns the value of the MC register.
1869 */
cail_mc_read(struct card_info * info,uint32_t reg)1870 static uint32_t cail_mc_read(struct card_info *info, uint32_t reg)
1871 {
1872 return 0;
1873 }
1874
1875 /**
1876 * cail_mc_write - write MC (Memory Controller) register
1877 *
1878 * @info: atom card_info pointer
1879 * @reg: MC register offset
1880 * @val: value to write to the pll register
1881 *
1882 * Provides a MC register accessor for the atom interpreter (r4xx+).
1883 */
cail_mc_write(struct card_info * info,uint32_t reg,uint32_t val)1884 static void cail_mc_write(struct card_info *info, uint32_t reg, uint32_t val)
1885 {
1886
1887 }
1888
1889 /**
1890 * cail_reg_write - write MMIO register
1891 *
1892 * @info: atom card_info pointer
1893 * @reg: MMIO register offset
1894 * @val: value to write to the pll register
1895 *
1896 * Provides a MMIO register accessor for the atom interpreter (r4xx+).
1897 */
cail_reg_write(struct card_info * info,uint32_t reg,uint32_t val)1898 static void cail_reg_write(struct card_info *info, uint32_t reg, uint32_t val)
1899 {
1900 struct amdgpu_device *adev = info->dev->dev_private;
1901
1902 WREG32(reg, val);
1903 }
1904
1905 /**
1906 * cail_reg_read - read MMIO register
1907 *
1908 * @info: atom card_info pointer
1909 * @reg: MMIO register offset
1910 *
1911 * Provides an MMIO register accessor for the atom interpreter (r4xx+).
1912 * Returns the value of the MMIO register.
1913 */
cail_reg_read(struct card_info * info,uint32_t reg)1914 static uint32_t cail_reg_read(struct card_info *info, uint32_t reg)
1915 {
1916 struct amdgpu_device *adev = info->dev->dev_private;
1917 uint32_t r;
1918
1919 r = RREG32(reg);
1920 return r;
1921 }
1922
1923 /**
1924 * cail_ioreg_write - write IO register
1925 *
1926 * @info: atom card_info pointer
1927 * @reg: IO register offset
1928 * @val: value to write to the pll register
1929 *
1930 * Provides a IO register accessor for the atom interpreter (r4xx+).
1931 */
cail_ioreg_write(struct card_info * info,uint32_t reg,uint32_t val)1932 static void cail_ioreg_write(struct card_info *info, uint32_t reg, uint32_t val)
1933 {
1934 struct amdgpu_device *adev = info->dev->dev_private;
1935
1936 WREG32_IO(reg, val);
1937 }
1938
1939 /**
1940 * cail_ioreg_read - read IO register
1941 *
1942 * @info: atom card_info pointer
1943 * @reg: IO register offset
1944 *
1945 * Provides an IO register accessor for the atom interpreter (r4xx+).
1946 * Returns the value of the IO register.
1947 */
cail_ioreg_read(struct card_info * info,uint32_t reg)1948 static uint32_t cail_ioreg_read(struct card_info *info, uint32_t reg)
1949 {
1950 struct amdgpu_device *adev = info->dev->dev_private;
1951 uint32_t r;
1952
1953 r = RREG32_IO(reg);
1954 return r;
1955 }
1956
amdgpu_atombios_get_vbios_version(struct device * dev,struct device_attribute * attr,char * buf)1957 static ssize_t amdgpu_atombios_get_vbios_version(struct device *dev,
1958 struct device_attribute *attr,
1959 char *buf)
1960 {
1961 struct drm_device *ddev = dev_get_drvdata(dev);
1962 struct amdgpu_device *adev = ddev->dev_private;
1963 struct atom_context *ctx = adev->mode_info.atom_context;
1964
1965 return snprintf(buf, PAGE_SIZE, "%s\n", ctx->vbios_version);
1966 }
1967
1968 static DEVICE_ATTR(vbios_version, 0444, amdgpu_atombios_get_vbios_version,
1969 NULL);
1970
1971 /**
1972 * amdgpu_atombios_fini - free the driver info and callbacks for atombios
1973 *
1974 * @adev: amdgpu_device pointer
1975 *
1976 * Frees the driver info and register access callbacks for the ATOM
1977 * interpreter (r4xx+).
1978 * Called at driver shutdown.
1979 */
amdgpu_atombios_fini(struct amdgpu_device * adev)1980 void amdgpu_atombios_fini(struct amdgpu_device *adev)
1981 {
1982 if (adev->mode_info.atom_context) {
1983 kfree(adev->mode_info.atom_context->scratch);
1984 kfree(adev->mode_info.atom_context->iio);
1985 }
1986 kfree(adev->mode_info.atom_context);
1987 adev->mode_info.atom_context = NULL;
1988 kfree(adev->mode_info.atom_card_info);
1989 adev->mode_info.atom_card_info = NULL;
1990 device_remove_file(adev->dev, &dev_attr_vbios_version);
1991 }
1992
1993 /**
1994 * amdgpu_atombios_init - init the driver info and callbacks for atombios
1995 *
1996 * @adev: amdgpu_device pointer
1997 *
1998 * Initializes the driver info and register access callbacks for the
1999 * ATOM interpreter (r4xx+).
2000 * Returns 0 on sucess, -ENOMEM on failure.
2001 * Called at driver startup.
2002 */
amdgpu_atombios_init(struct amdgpu_device * adev)2003 int amdgpu_atombios_init(struct amdgpu_device *adev)
2004 {
2005 struct card_info *atom_card_info =
2006 kzalloc(sizeof(struct card_info), GFP_KERNEL);
2007 int ret;
2008
2009 if (!atom_card_info)
2010 return -ENOMEM;
2011
2012 adev->mode_info.atom_card_info = atom_card_info;
2013 atom_card_info->dev = adev->ddev;
2014 atom_card_info->reg_read = cail_reg_read;
2015 atom_card_info->reg_write = cail_reg_write;
2016 /* needed for iio ops */
2017 if (adev->rio_mem) {
2018 atom_card_info->ioreg_read = cail_ioreg_read;
2019 atom_card_info->ioreg_write = cail_ioreg_write;
2020 } else {
2021 DRM_DEBUG("PCI I/O BAR is not found. Using MMIO to access ATOM BIOS\n");
2022 atom_card_info->ioreg_read = cail_reg_read;
2023 atom_card_info->ioreg_write = cail_reg_write;
2024 }
2025 atom_card_info->mc_read = cail_mc_read;
2026 atom_card_info->mc_write = cail_mc_write;
2027 atom_card_info->pll_read = cail_pll_read;
2028 atom_card_info->pll_write = cail_pll_write;
2029
2030 adev->mode_info.atom_context = amdgpu_atom_parse(atom_card_info, adev->bios);
2031 if (!adev->mode_info.atom_context) {
2032 amdgpu_atombios_fini(adev);
2033 return -ENOMEM;
2034 }
2035
2036 mutex_init(&adev->mode_info.atom_context->mutex);
2037 if (adev->is_atom_fw) {
2038 amdgpu_atomfirmware_scratch_regs_init(adev);
2039 amdgpu_atomfirmware_allocate_fb_scratch(adev);
2040 } else {
2041 amdgpu_atombios_scratch_regs_init(adev);
2042 amdgpu_atombios_allocate_fb_scratch(adev);
2043 }
2044
2045 ret = device_create_file(adev->dev, &dev_attr_vbios_version);
2046 if (ret) {
2047 DRM_ERROR("Failed to create device file for VBIOS version\n");
2048 return ret;
2049 }
2050
2051 return 0;
2052 }
2053
2054
