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Merge remote-tracking branch 'regulator/fix/max77802' into regulator-linus
[mirror_ubuntu-artful-kernel.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_atombios.c
CommitLineData
d38ceaf9
AD		 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_i2c.h"
31
32#include "atom.h"
33#include "atom-bits.h"
34#include "atombios_encoders.h"
35#include "bif/bif_4_1_d.h"
36
37static void amdgpu_atombios_lookup_i2c_gpio_quirks(struct amdgpu_device *adev,
38 ATOM_GPIO_I2C_ASSIGMENT *gpio,
39 u8 index)
40{
41
42}
43
44static struct amdgpu_i2c_bus_rec amdgpu_atombios_get_bus_rec_for_i2c_gpio(ATOM_GPIO_I2C_ASSIGMENT *gpio)
45{
46 struct amdgpu_i2c_bus_rec i2c;
47
48 memset(&i2c, 0, sizeof(struct amdgpu_i2c_bus_rec));
49
50 i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex);
51 i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex);
52 i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex);
53 i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex);
54 i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex);
55 i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex);
56 i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex);
57 i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex);
58 i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
59 i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
60 i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
61 i2c.en_data_mask = (1 << gpio->ucDataEnShift);
62 i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
63 i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
64 i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
65 i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
66
67 if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
68 i2c.hw_capable = true;
69 else
70 i2c.hw_capable = false;
71
72 if (gpio->sucI2cId.ucAccess == 0xa0)
73 i2c.mm_i2c = true;
74 else
75 i2c.mm_i2c = false;
76
77 i2c.i2c_id = gpio->sucI2cId.ucAccess;
78
79 if (i2c.mask_clk_reg)
80 i2c.valid = true;
81 else
82 i2c.valid = false;
83
84 return i2c;
85}
86
87struct amdgpu_i2c_bus_rec amdgpu_atombios_lookup_i2c_gpio(struct amdgpu_device *adev,
88 uint8_t id)
89{
90 struct atom_context *ctx = adev->mode_info.atom_context;
91 ATOM_GPIO_I2C_ASSIGMENT *gpio;
92 struct amdgpu_i2c_bus_rec i2c;
93 int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info);
94 struct _ATOM_GPIO_I2C_INFO *i2c_info;
95 uint16_t data_offset, size;
96 int i, num_indices;
97
98 memset(&i2c, 0, sizeof(struct amdgpu_i2c_bus_rec));
99 i2c.valid = false;
100
101 if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
102 i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
103
104 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
105 sizeof(ATOM_GPIO_I2C_ASSIGMENT);
106
107 gpio = &i2c_info->asGPIO_Info[0];
108 for (i = 0; i < num_indices; i++) {
109
110 amdgpu_atombios_lookup_i2c_gpio_quirks(adev, gpio, i);
111
112 if (gpio->sucI2cId.ucAccess == id) {
113 i2c = amdgpu_atombios_get_bus_rec_for_i2c_gpio(gpio);
114 break;
115 }
116 gpio = (ATOM_GPIO_I2C_ASSIGMENT *)
117 ((u8 *)gpio + sizeof(ATOM_GPIO_I2C_ASSIGMENT));
118 }
119 }
120
121 return i2c;
122}
123
124void amdgpu_atombios_i2c_init(struct amdgpu_device *adev)
125{
126 struct atom_context *ctx = adev->mode_info.atom_context;
127 ATOM_GPIO_I2C_ASSIGMENT *gpio;
128 struct amdgpu_i2c_bus_rec i2c;
129 int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info);
130 struct _ATOM_GPIO_I2C_INFO *i2c_info;
131 uint16_t data_offset, size;
132 int i, num_indices;
133 char stmp[32];
134
135 if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
136 i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
137
138 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
139 sizeof(ATOM_GPIO_I2C_ASSIGMENT);
140
141 gpio = &i2c_info->asGPIO_Info[0];
142 for (i = 0; i < num_indices; i++) {
143 amdgpu_atombios_lookup_i2c_gpio_quirks(adev, gpio, i);
144
145 i2c = amdgpu_atombios_get_bus_rec_for_i2c_gpio(gpio);
146
147 if (i2c.valid) {
148 sprintf(stmp, "0x%x", i2c.i2c_id);
149 adev->i2c_bus[i] = amdgpu_i2c_create(adev->ddev, &i2c, stmp);
150 }
151 gpio = (ATOM_GPIO_I2C_ASSIGMENT *)
152 ((u8 *)gpio + sizeof(ATOM_GPIO_I2C_ASSIGMENT));
153 }
154 }
155}
156
157struct amdgpu_gpio_rec
158amdgpu_atombios_lookup_gpio(struct amdgpu_device *adev,
159 u8 id)
160{
161 struct atom_context *ctx = adev->mode_info.atom_context;
162 struct amdgpu_gpio_rec gpio;
163 int index = GetIndexIntoMasterTable(DATA, GPIO_Pin_LUT);
164 struct _ATOM_GPIO_PIN_LUT *gpio_info;
165 ATOM_GPIO_PIN_ASSIGNMENT *pin;
166 u16 data_offset, size;
167 int i, num_indices;
168
169 memset(&gpio, 0, sizeof(struct amdgpu_gpio_rec));
170 gpio.valid = false;
171
172 if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
173 gpio_info = (struct _ATOM_GPIO_PIN_LUT *)(ctx->bios + data_offset);
174
175 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
176 sizeof(ATOM_GPIO_PIN_ASSIGNMENT);
177
178 pin = gpio_info->asGPIO_Pin;
179 for (i = 0; i < num_indices; i++) {
180 if (id == pin->ucGPIO_ID) {
181 gpio.id = pin->ucGPIO_ID;
182 gpio.reg = le16_to_cpu(pin->usGpioPin_AIndex);
183 gpio.shift = pin->ucGpioPinBitShift;
184 gpio.mask = (1 << pin->ucGpioPinBitShift);
185 gpio.valid = true;
186 break;
187 }
188 pin = (ATOM_GPIO_PIN_ASSIGNMENT *)
189 ((u8 *)pin + sizeof(ATOM_GPIO_PIN_ASSIGNMENT));
190 }
191 }
192
193 return gpio;
194}
195
196static struct amdgpu_hpd
197amdgpu_atombios_get_hpd_info_from_gpio(struct amdgpu_device *adev,
198 struct amdgpu_gpio_rec *gpio)
199{
200 struct amdgpu_hpd hpd;
201 u32 reg;
202
203 memset(&hpd, 0, sizeof(struct amdgpu_hpd));
204
205 reg = amdgpu_display_hpd_get_gpio_reg(adev);
206
207 hpd.gpio = *gpio;
208 if (gpio->reg == reg) {
209 switch(gpio->mask) {
210 case (1 << 0):
211 hpd.hpd = AMDGPU_HPD_1;
212 break;
213 case (1 << 8):
214 hpd.hpd = AMDGPU_HPD_2;
215 break;
216 case (1 << 16):
217 hpd.hpd = AMDGPU_HPD_3;
218 break;
219 case (1 << 24):
220 hpd.hpd = AMDGPU_HPD_4;
221 break;
222 case (1 << 26):
223 hpd.hpd = AMDGPU_HPD_5;
224 break;
225 case (1 << 28):
226 hpd.hpd = AMDGPU_HPD_6;
227 break;
228 default:
229 hpd.hpd = AMDGPU_HPD_NONE;
230 break;
231 }
232 } else
233 hpd.hpd = AMDGPU_HPD_NONE;
234 return hpd;
235}
236
d38ceaf9
AD		 237static const int object_connector_convert[] = {
238 DRM_MODE_CONNECTOR_Unknown,
239 DRM_MODE_CONNECTOR_DVII,
240 DRM_MODE_CONNECTOR_DVII,
241 DRM_MODE_CONNECTOR_DVID,
242 DRM_MODE_CONNECTOR_DVID,
243 DRM_MODE_CONNECTOR_VGA,
244 DRM_MODE_CONNECTOR_Composite,
245 DRM_MODE_CONNECTOR_SVIDEO,
246 DRM_MODE_CONNECTOR_Unknown,
247 DRM_MODE_CONNECTOR_Unknown,
248 DRM_MODE_CONNECTOR_9PinDIN,
249 DRM_MODE_CONNECTOR_Unknown,
250 DRM_MODE_CONNECTOR_HDMIA,
251 DRM_MODE_CONNECTOR_HDMIB,
252 DRM_MODE_CONNECTOR_LVDS,
253 DRM_MODE_CONNECTOR_9PinDIN,
254 DRM_MODE_CONNECTOR_Unknown,
255 DRM_MODE_CONNECTOR_Unknown,
256 DRM_MODE_CONNECTOR_Unknown,
257 DRM_MODE_CONNECTOR_DisplayPort,
258 DRM_MODE_CONNECTOR_eDP,
259 DRM_MODE_CONNECTOR_Unknown
260};
261
0bad1619
ED		 262bool amdgpu_atombios_has_dce_engine_info(struct amdgpu_device *adev)
263{
264 struct amdgpu_mode_info *mode_info = &adev->mode_info;
265 struct atom_context *ctx = mode_info->atom_context;
266 int index = GetIndexIntoMasterTable(DATA, Object_Header);
267 u16 size, data_offset;
268 u8 frev, crev;
269 ATOM_DISPLAY_OBJECT_PATH_TABLE *path_obj;
270 ATOM_OBJECT_HEADER *obj_header;
271
272 if (!amdgpu_atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset))
273 return false;
274
275 if (crev < 2)
276 return false;
277
278 obj_header = (ATOM_OBJECT_HEADER *) (ctx->bios + data_offset);
279 path_obj = (ATOM_DISPLAY_OBJECT_PATH_TABLE *)
280 (ctx->bios + data_offset +
281 le16_to_cpu(obj_header->usDisplayPathTableOffset));
282
283 if (path_obj->ucNumOfDispPath)
284 return true;
285 else
286 return false;
287}
288
d38ceaf9
AD		 289bool amdgpu_atombios_get_connector_info_from_object_table(struct amdgpu_device *adev)
290{
291 struct amdgpu_mode_info *mode_info = &adev->mode_info;
292 struct atom_context *ctx = mode_info->atom_context;
293 int index = GetIndexIntoMasterTable(DATA, Object_Header);
294 u16 size, data_offset;
295 u8 frev, crev;
296 ATOM_CONNECTOR_OBJECT_TABLE *con_obj;
297 ATOM_ENCODER_OBJECT_TABLE *enc_obj;
298 ATOM_OBJECT_TABLE *router_obj;
299 ATOM_DISPLAY_OBJECT_PATH_TABLE *path_obj;
300 ATOM_OBJECT_HEADER *obj_header;
301 int i, j, k, path_size, device_support;
302 int connector_type;
303 u16 conn_id, connector_object_id;
304 struct amdgpu_i2c_bus_rec ddc_bus;
305 struct amdgpu_router router;
306 struct amdgpu_gpio_rec gpio;
307 struct amdgpu_hpd hpd;
308
309 if (!amdgpu_atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset))
310 return false;
311
312 if (crev < 2)
313 return false;
314
315 obj_header = (ATOM_OBJECT_HEADER *) (ctx->bios + data_offset);
316 path_obj = (ATOM_DISPLAY_OBJECT_PATH_TABLE *)
317 (ctx->bios + data_offset +
318 le16_to_cpu(obj_header->usDisplayPathTableOffset));
319 con_obj = (ATOM_CONNECTOR_OBJECT_TABLE *)
320 (ctx->bios + data_offset +
321 le16_to_cpu(obj_header->usConnectorObjectTableOffset));
322 enc_obj = (ATOM_ENCODER_OBJECT_TABLE *)
323 (ctx->bios + data_offset +
324 le16_to_cpu(obj_header->usEncoderObjectTableOffset));
325 router_obj = (ATOM_OBJECT_TABLE *)
326 (ctx->bios + data_offset +
327 le16_to_cpu(obj_header->usRouterObjectTableOffset));
328 device_support = le16_to_cpu(obj_header->usDeviceSupport);
329
330 path_size = 0;
331 for (i = 0; i < path_obj->ucNumOfDispPath; i++) {
332 uint8_t *addr = (uint8_t *) path_obj->asDispPath;
333 ATOM_DISPLAY_OBJECT_PATH *path;
334 addr += path_size;
335 path = (ATOM_DISPLAY_OBJECT_PATH *) addr;
336 path_size += le16_to_cpu(path->usSize);
337
338 if (device_support & le16_to_cpu(path->usDeviceTag)) {
339 uint8_t con_obj_id, con_obj_num, con_obj_type;
340
341 con_obj_id =
342 (le16_to_cpu(path->usConnObjectId) & OBJECT_ID_MASK)
343 >> OBJECT_ID_SHIFT;
344 con_obj_num =
345 (le16_to_cpu(path->usConnObjectId) & ENUM_ID_MASK)
346 >> ENUM_ID_SHIFT;
347 con_obj_type =
348 (le16_to_cpu(path->usConnObjectId) &
349 OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
350
611a1507
AD		 351 /* Skip TV/CV support */
352 if ((le16_to_cpu(path->usDeviceTag) ==
353 ATOM_DEVICE_TV1_SUPPORT) ||
354 (le16_to_cpu(path->usDeviceTag) ==
355 ATOM_DEVICE_CV_SUPPORT))
356 continue;
357
e1718d97
AD		 358 if (con_obj_id >= ARRAY_SIZE(object_connector_convert)) {
359 DRM_ERROR("invalid con_obj_id %d for device tag 0x%04x\n",
360 con_obj_id, le16_to_cpu(path->usDeviceTag));
361 continue;
362 }
363
d38ceaf9
AD		 364 connector_type =
365 object_connector_convert[con_obj_id];
366 connector_object_id = con_obj_id;
367
368 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
369 continue;
370
371 router.ddc_valid = false;
372 router.cd_valid = false;
373 for (j = 0; j < ((le16_to_cpu(path->usSize) - 8) / 2); j++) {
374 uint8_t grph_obj_id, grph_obj_num, grph_obj_type;
375
376 grph_obj_id =
377 (le16_to_cpu(path->usGraphicObjIds[j]) &
378 OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
379 grph_obj_num =
380 (le16_to_cpu(path->usGraphicObjIds[j]) &
381 ENUM_ID_MASK) >> ENUM_ID_SHIFT;
382 grph_obj_type =
383 (le16_to_cpu(path->usGraphicObjIds[j]) &
384 OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
385
386 if (grph_obj_type == GRAPH_OBJECT_TYPE_ENCODER) {
387 for (k = 0; k < enc_obj->ucNumberOfObjects; k++) {
388 u16 encoder_obj = le16_to_cpu(enc_obj->asObjects[k].usObjectID);
389 if (le16_to_cpu(path->usGraphicObjIds[j]) == encoder_obj) {
390 ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *)
391 (ctx->bios + data_offset +
392 le16_to_cpu(enc_obj->asObjects[k].usRecordOffset));
393 ATOM_ENCODER_CAP_RECORD *cap_record;
394 u16 caps = 0;
395
396 while (record->ucRecordSize > 0 &&
397 record->ucRecordType > 0 &&
398 record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
399 switch (record->ucRecordType) {
400 case ATOM_ENCODER_CAP_RECORD_TYPE:
401 cap_record =(ATOM_ENCODER_CAP_RECORD *)
402 record;
403 caps = le16_to_cpu(cap_record->usEncoderCap);
404 break;
405 }
406 record = (ATOM_COMMON_RECORD_HEADER *)
407 ((char *)record + record->ucRecordSize);
408 }
409 amdgpu_display_add_encoder(adev, encoder_obj,
410 le16_to_cpu(path->usDeviceTag),
411 caps);
412 }
413 }
414 } else if (grph_obj_type == GRAPH_OBJECT_TYPE_ROUTER) {
415 for (k = 0; k < router_obj->ucNumberOfObjects; k++) {
416 u16 router_obj_id = le16_to_cpu(router_obj->asObjects[k].usObjectID);
417 if (le16_to_cpu(path->usGraphicObjIds[j]) == router_obj_id) {
418 ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *)
419 (ctx->bios + data_offset +
420 le16_to_cpu(router_obj->asObjects[k].usRecordOffset));
421 ATOM_I2C_RECORD *i2c_record;
422 ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
423 ATOM_ROUTER_DDC_PATH_SELECT_RECORD *ddc_path;
424 ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *cd_path;
425 ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *router_src_dst_table =
426 (ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *)
427 (ctx->bios + data_offset +
428 le16_to_cpu(router_obj->asObjects[k].usSrcDstTableOffset));
429 u8 *num_dst_objs = (u8 *)
430 ((u8 *)router_src_dst_table + 1 +
431 (router_src_dst_table->ucNumberOfSrc * 2));
432 u16 *dst_objs = (u16 *)(num_dst_objs + 1);
433 int enum_id;
434
435 router.router_id = router_obj_id;
436 for (enum_id = 0; enum_id < (*num_dst_objs); enum_id++) {
437 if (le16_to_cpu(path->usConnObjectId) ==
438 le16_to_cpu(dst_objs[enum_id]))
439 break;
440 }
441
442 while (record->ucRecordSize > 0 &&
443 record->ucRecordType > 0 &&
444 record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
445 switch (record->ucRecordType) {
446 case ATOM_I2C_RECORD_TYPE:
447 i2c_record =
448 (ATOM_I2C_RECORD *)
449 record;
450 i2c_config =
451 (ATOM_I2C_ID_CONFIG_ACCESS *)
452 &i2c_record->sucI2cId;
453 router.i2c_info =
454 amdgpu_atombios_lookup_i2c_gpio(adev,
455 i2c_config->
456 ucAccess);
457 router.i2c_addr = i2c_record->ucI2CAddr >> 1;
458 break;
459 case ATOM_ROUTER_DDC_PATH_SELECT_RECORD_TYPE:
460 ddc_path = (ATOM_ROUTER_DDC_PATH_SELECT_RECORD *)
461 record;
462 router.ddc_valid = true;
463 router.ddc_mux_type = ddc_path->ucMuxType;
464 router.ddc_mux_control_pin = ddc_path->ucMuxControlPin;
465 router.ddc_mux_state = ddc_path->ucMuxState[enum_id];
466 break;
467 case ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD_TYPE:
468 cd_path = (ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *)
469 record;
470 router.cd_valid = true;
471 router.cd_mux_type = cd_path->ucMuxType;
472 router.cd_mux_control_pin = cd_path->ucMuxControlPin;
473 router.cd_mux_state = cd_path->ucMuxState[enum_id];
474 break;
475 }
476 record = (ATOM_COMMON_RECORD_HEADER *)
477 ((char *)record + record->ucRecordSize);
478 }
479 }
480 }
481 }
482 }
483
484 /* look up gpio for ddc, hpd */
485 ddc_bus.valid = false;
486 hpd.hpd = AMDGPU_HPD_NONE;
487 if ((le16_to_cpu(path->usDeviceTag) &
488 (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) == 0) {
489 for (j = 0; j < con_obj->ucNumberOfObjects; j++) {
490 if (le16_to_cpu(path->usConnObjectId) ==
491 le16_to_cpu(con_obj->asObjects[j].
492 usObjectID)) {
493 ATOM_COMMON_RECORD_HEADER
494 *record =
495 (ATOM_COMMON_RECORD_HEADER
496 *)
497 (ctx->bios + data_offset +
498 le16_to_cpu(con_obj->
499 asObjects[j].
500 usRecordOffset));
501 ATOM_I2C_RECORD *i2c_record;
502 ATOM_HPD_INT_RECORD *hpd_record;
503 ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
504
505 while (record->ucRecordSize > 0 &&
506 record->ucRecordType > 0 &&
507 record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
508 switch (record->ucRecordType) {
509 case ATOM_I2C_RECORD_TYPE:
510 i2c_record =
511 (ATOM_I2C_RECORD *)
512 record;
513 i2c_config =
514 (ATOM_I2C_ID_CONFIG_ACCESS *)
515 &i2c_record->sucI2cId;
516 ddc_bus = amdgpu_atombios_lookup_i2c_gpio(adev,
517 i2c_config->
518 ucAccess);
519 break;
520 case ATOM_HPD_INT_RECORD_TYPE:
521 hpd_record =
522 (ATOM_HPD_INT_RECORD *)
523 record;
524 gpio = amdgpu_atombios_lookup_gpio(adev,
525 hpd_record->ucHPDIntGPIOID);
526 hpd = amdgpu_atombios_get_hpd_info_from_gpio(adev, &gpio);
527 hpd.plugged_state = hpd_record->ucPlugged_PinState;
528 break;
529 }
530 record =
531 (ATOM_COMMON_RECORD_HEADER
532 *) ((char *)record
533 +
534 record->
535 ucRecordSize);
536 }
537 break;
538 }
539 }
540 }
541
542 /* needed for aux chan transactions */
543 ddc_bus.hpd = hpd.hpd;
544
545 conn_id = le16_to_cpu(path->usConnObjectId);
546
d38ceaf9
AD		 547 amdgpu_display_add_connector(adev,
548 conn_id,
549 le16_to_cpu(path->usDeviceTag),
550 connector_type, &ddc_bus,
551 connector_object_id,
552 &hpd,
553 &router);
554
555 }
556 }
557
558 amdgpu_link_encoder_connector(adev->ddev);
559
560 return true;
561}
562
563union firmware_info {
564 ATOM_FIRMWARE_INFO info;
565 ATOM_FIRMWARE_INFO_V1_2 info_12;
566 ATOM_FIRMWARE_INFO_V1_3 info_13;
567 ATOM_FIRMWARE_INFO_V1_4 info_14;
568 ATOM_FIRMWARE_INFO_V2_1 info_21;
569 ATOM_FIRMWARE_INFO_V2_2 info_22;
570};
571
572int amdgpu_atombios_get_clock_info(struct amdgpu_device *adev)
573{
574 struct amdgpu_mode_info *mode_info = &adev->mode_info;
575 int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
576 uint8_t frev, crev;
577 uint16_t data_offset;
578 int ret = -EINVAL;
579
580 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
581 &frev, &crev, &data_offset)) {
582 int i;
583 struct amdgpu_pll *ppll = &adev->clock.ppll[0];
584 struct amdgpu_pll *spll = &adev->clock.spll;
585 struct amdgpu_pll *mpll = &adev->clock.mpll;
586 union firmware_info *firmware_info =
587 (union firmware_info *)(mode_info->atom_context->bios +
588 data_offset);
589 /* pixel clocks */
590 ppll->reference_freq =
591 le16_to_cpu(firmware_info->info.usReferenceClock);
592 ppll->reference_div = 0;
593
a8a04c99
AD		 594 ppll->pll_out_min =
595 le32_to_cpu(firmware_info->info_12.ulMinPixelClockPLL_Output);
d38ceaf9
AD		 596 ppll->pll_out_max =
597 le32_to_cpu(firmware_info->info.ulMaxPixelClockPLL_Output);
598
a8a04c99
AD		 599 ppll->lcd_pll_out_min =
600 le16_to_cpu(firmware_info->info_14.usLcdMinPixelClockPLL_Output) * 100;
601 if (ppll->lcd_pll_out_min == 0)
d38ceaf9 602 ppll->lcd_pll_out_min = ppll->pll_out_min;
a8a04c99
AD		 603 ppll->lcd_pll_out_max =
604 le16_to_cpu(firmware_info->info_14.usLcdMaxPixelClockPLL_Output) * 100;
605 if (ppll->lcd_pll_out_max == 0)
d38ceaf9 606 ppll->lcd_pll_out_max = ppll->pll_out_max;
d38ceaf9
AD		 607
608 if (ppll->pll_out_min == 0)
609 ppll->pll_out_min = 64800;
610
611 ppll->pll_in_min =
612 le16_to_cpu(firmware_info->info.usMinPixelClockPLL_Input);
613 ppll->pll_in_max =
614 le16_to_cpu(firmware_info->info.usMaxPixelClockPLL_Input);
615
616 ppll->min_post_div = 2;
617 ppll->max_post_div = 0x7f;
618 ppll->min_frac_feedback_div = 0;
619 ppll->max_frac_feedback_div = 9;
620 ppll->min_ref_div = 2;
621 ppll->max_ref_div = 0x3ff;
622 ppll->min_feedback_div = 4;
623 ppll->max_feedback_div = 0xfff;
624 ppll->best_vco = 0;
625
626 for (i = 1; i < AMDGPU_MAX_PPLL; i++)
627 adev->clock.ppll[i] = *ppll;
628
629 /* system clock */
630 spll->reference_freq =
631 le16_to_cpu(firmware_info->info_21.usCoreReferenceClock);
632 spll->reference_div = 0;
633
634 spll->pll_out_min =
635 le16_to_cpu(firmware_info->info.usMinEngineClockPLL_Output);
636 spll->pll_out_max =
637 le32_to_cpu(firmware_info->info.ulMaxEngineClockPLL_Output);
638
639 /* ??? */
640 if (spll->pll_out_min == 0)
641 spll->pll_out_min = 64800;
642
643 spll->pll_in_min =
644 le16_to_cpu(firmware_info->info.usMinEngineClockPLL_Input);
645 spll->pll_in_max =
646 le16_to_cpu(firmware_info->info.usMaxEngineClockPLL_Input);
647
648 spll->min_post_div = 1;
649 spll->max_post_div = 1;
650 spll->min_ref_div = 2;
651 spll->max_ref_div = 0xff;
652 spll->min_feedback_div = 4;
653 spll->max_feedback_div = 0xff;
654 spll->best_vco = 0;
655
656 /* memory clock */
657 mpll->reference_freq =
658 le16_to_cpu(firmware_info->info_21.usMemoryReferenceClock);
659 mpll->reference_div = 0;
660
661 mpll->pll_out_min =
662 le16_to_cpu(firmware_info->info.usMinMemoryClockPLL_Output);
663 mpll->pll_out_max =
664 le32_to_cpu(firmware_info->info.ulMaxMemoryClockPLL_Output);
665
666 /* ??? */
667 if (mpll->pll_out_min == 0)
668 mpll->pll_out_min = 64800;
669
670 mpll->pll_in_min =
671 le16_to_cpu(firmware_info->info.usMinMemoryClockPLL_Input);
672 mpll->pll_in_max =
673 le16_to_cpu(firmware_info->info.usMaxMemoryClockPLL_Input);
674
675 adev->clock.default_sclk =
676 le32_to_cpu(firmware_info->info.ulDefaultEngineClock);
677 adev->clock.default_mclk =
678 le32_to_cpu(firmware_info->info.ulDefaultMemoryClock);
679
680 mpll->min_post_div = 1;
681 mpll->max_post_div = 1;
682 mpll->min_ref_div = 2;
683 mpll->max_ref_div = 0xff;
684 mpll->min_feedback_div = 4;
685 mpll->max_feedback_div = 0xff;
686 mpll->best_vco = 0;
687
688 /* disp clock */
689 adev->clock.default_dispclk =
690 le32_to_cpu(firmware_info->info_21.ulDefaultDispEngineClkFreq);
80c083c5
AD		 691 /* set a reasonable default for DP */
692 if (adev->clock.default_dispclk < 53900) {
693 DRM_INFO("Changing default dispclk from %dMhz to 600Mhz\n",
694 adev->clock.default_dispclk / 100);
695 adev->clock.default_dispclk = 60000;
52b482b0
AD		 696 } else if (adev->clock.default_dispclk <= 60000) {
697 DRM_INFO("Changing default dispclk from %dMhz to 625Mhz\n",
698 adev->clock.default_dispclk / 100);
699 adev->clock.default_dispclk = 62500;
80c083c5 700 }
d38ceaf9
AD		 701 adev->clock.dp_extclk =
702 le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq);
703 adev->clock.current_dispclk = adev->clock.default_dispclk;
704
705 adev->clock.max_pixel_clock = le16_to_cpu(firmware_info->info.usMaxPixelClock);
706 if (adev->clock.max_pixel_clock == 0)
707 adev->clock.max_pixel_clock = 40000;
708
709 /* not technically a clock, but... */
710 adev->mode_info.firmware_flags =
711 le16_to_cpu(firmware_info->info.usFirmwareCapability.susAccess);
712
713 ret = 0;
714 }
715
716 adev->pm.current_sclk = adev->clock.default_sclk;
717 adev->pm.current_mclk = adev->clock.default_mclk;
718
719 return ret;
720}
721
397a270e
AD		 722union gfx_info {
723 ATOM_GFX_INFO_V2_1 info;
724};
725
726int amdgpu_atombios_get_gfx_info(struct amdgpu_device *adev)
727{
728 struct amdgpu_mode_info *mode_info = &adev->mode_info;
729 int index = GetIndexIntoMasterTable(DATA, GFX_Info);
730 uint8_t frev, crev;
731 uint16_t data_offset;
732 int ret = -EINVAL;
733
734 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
735 &frev, &crev, &data_offset)) {
736 union gfx_info *gfx_info = (union gfx_info *)
737 (mode_info->atom_context->bios + data_offset);
738
739 adev->gfx.config.max_shader_engines = gfx_info->info.max_shader_engines;
740 adev->gfx.config.max_tile_pipes = gfx_info->info.max_tile_pipes;
741 adev->gfx.config.max_cu_per_sh = gfx_info->info.max_cu_per_sh;
742 adev->gfx.config.max_sh_per_se = gfx_info->info.max_sh_per_se;
743 adev->gfx.config.max_backends_per_se = gfx_info->info.max_backends_per_se;
744 adev->gfx.config.max_texture_channel_caches =
745 gfx_info->info.max_texture_channel_caches;
746
747 ret = 0;
748 }
749 return ret;
750}
751
d38ceaf9
AD		 752union igp_info {
753 struct _ATOM_INTEGRATED_SYSTEM_INFO info;
754 struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;
755 struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6;
756 struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7;
757 struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_8 info_8;
758 struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_9 info_9;
759};
760
1ce65f52
HW		 761/*
762 * Return vram width from integrated system info table, if available,
763 * or 0 if not.
764 */
765int amdgpu_atombios_get_vram_width(struct amdgpu_device *adev)
766{
767 struct amdgpu_mode_info *mode_info = &adev->mode_info;
768 int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
769 u16 data_offset, size;
770 union igp_info *igp_info;
771 u8 frev, crev;
772
773 /* get any igp specific overrides */
774 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, &size,
775 &frev, &crev, &data_offset)) {
776 igp_info = (union igp_info *)
777 (mode_info->atom_context->bios + data_offset);
778 switch (crev) {
779 case 8:
780 case 9:
781 return igp_info->info_8.ucUMAChannelNumber * 64;
782 default:
783 return 0;
784 }
785 }
786
787 return 0;
788}
789
d38ceaf9
AD		 790static void amdgpu_atombios_get_igp_ss_overrides(struct amdgpu_device *adev,
791 struct amdgpu_atom_ss *ss,
792 int id)
793{
794 struct amdgpu_mode_info *mode_info = &adev->mode_info;
795 int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
796 u16 data_offset, size;
797 union igp_info *igp_info;
798 u8 frev, crev;
799 u16 percentage = 0, rate = 0;
800
801 /* get any igp specific overrides */
802 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, &size,
803 &frev, &crev, &data_offset)) {
804 igp_info = (union igp_info *)
805 (mode_info->atom_context->bios + data_offset);
806 switch (crev) {
807 case 6:
808 switch (id) {
809 case ASIC_INTERNAL_SS_ON_TMDS:
810 percentage = le16_to_cpu(igp_info->info_6.usDVISSPercentage);
811 rate = le16_to_cpu(igp_info->info_6.usDVISSpreadRateIn10Hz);
812 break;
813 case ASIC_INTERNAL_SS_ON_HDMI:
814 percentage = le16_to_cpu(igp_info->info_6.usHDMISSPercentage);
815 rate = le16_to_cpu(igp_info->info_6.usHDMISSpreadRateIn10Hz);
816 break;
817 case ASIC_INTERNAL_SS_ON_LVDS:
818 percentage = le16_to_cpu(igp_info->info_6.usLvdsSSPercentage);
819 rate = le16_to_cpu(igp_info->info_6.usLvdsSSpreadRateIn10Hz);
820 break;
821 }
822 break;
823 case 7:
824 switch (id) {
825 case ASIC_INTERNAL_SS_ON_TMDS:
826 percentage = le16_to_cpu(igp_info->info_7.usDVISSPercentage);
827 rate = le16_to_cpu(igp_info->info_7.usDVISSpreadRateIn10Hz);
828 break;
829 case ASIC_INTERNAL_SS_ON_HDMI:
830 percentage = le16_to_cpu(igp_info->info_7.usHDMISSPercentage);
831 rate = le16_to_cpu(igp_info->info_7.usHDMISSpreadRateIn10Hz);
832 break;
833 case ASIC_INTERNAL_SS_ON_LVDS:
834 percentage = le16_to_cpu(igp_info->info_7.usLvdsSSPercentage);
835 rate = le16_to_cpu(igp_info->info_7.usLvdsSSpreadRateIn10Hz);
836 break;
837 }
838 break;
839 case 8:
840 switch (id) {
841 case ASIC_INTERNAL_SS_ON_TMDS:
842 percentage = le16_to_cpu(igp_info->info_8.usDVISSPercentage);
843 rate = le16_to_cpu(igp_info->info_8.usDVISSpreadRateIn10Hz);
844 break;
845 case ASIC_INTERNAL_SS_ON_HDMI:
846 percentage = le16_to_cpu(igp_info->info_8.usHDMISSPercentage);
847 rate = le16_to_cpu(igp_info->info_8.usHDMISSpreadRateIn10Hz);
848 break;
849 case ASIC_INTERNAL_SS_ON_LVDS:
850 percentage = le16_to_cpu(igp_info->info_8.usLvdsSSPercentage);
851 rate = le16_to_cpu(igp_info->info_8.usLvdsSSpreadRateIn10Hz);
852 break;
853 }
854 break;
855 case 9:
856 switch (id) {
857 case ASIC_INTERNAL_SS_ON_TMDS:
858 percentage = le16_to_cpu(igp_info->info_9.usDVISSPercentage);
859 rate = le16_to_cpu(igp_info->info_9.usDVISSpreadRateIn10Hz);
860 break;
861 case ASIC_INTERNAL_SS_ON_HDMI:
862 percentage = le16_to_cpu(igp_info->info_9.usHDMISSPercentage);
863 rate = le16_to_cpu(igp_info->info_9.usHDMISSpreadRateIn10Hz);
864 break;
865 case ASIC_INTERNAL_SS_ON_LVDS:
866 percentage = le16_to_cpu(igp_info->info_9.usLvdsSSPercentage);
867 rate = le16_to_cpu(igp_info->info_9.usLvdsSSpreadRateIn10Hz);
868 break;
869 }
870 break;
871 default:
872 DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
873 break;
874 }
875 if (percentage)
876 ss->percentage = percentage;
877 if (rate)
878 ss->rate = rate;
879 }
880}
881
882union asic_ss_info {
883 struct _ATOM_ASIC_INTERNAL_SS_INFO info;
884 struct _ATOM_ASIC_INTERNAL_SS_INFO_V2 info_2;
885 struct _ATOM_ASIC_INTERNAL_SS_INFO_V3 info_3;
886};
887
888union asic_ss_assignment {
889 struct _ATOM_ASIC_SS_ASSIGNMENT v1;
890 struct _ATOM_ASIC_SS_ASSIGNMENT_V2 v2;
891 struct _ATOM_ASIC_SS_ASSIGNMENT_V3 v3;
892};
893
894bool amdgpu_atombios_get_asic_ss_info(struct amdgpu_device *adev,
895 struct amdgpu_atom_ss *ss,
896 int id, u32 clock)
897{
898 struct amdgpu_mode_info *mode_info = &adev->mode_info;
899 int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
900 uint16_t data_offset, size;
901 union asic_ss_info *ss_info;
902 union asic_ss_assignment *ss_assign;
903 uint8_t frev, crev;
904 int i, num_indices;
905
906 if (id == ASIC_INTERNAL_MEMORY_SS) {
907 if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_MEMORY_CLOCK_SS_SUPPORT))
908 return false;
909 }
910 if (id == ASIC_INTERNAL_ENGINE_SS) {
911 if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_ENGINE_CLOCK_SS_SUPPORT))
912 return false;
913 }
914
915 memset(ss, 0, sizeof(struct amdgpu_atom_ss));
916 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, &size,
917 &frev, &crev, &data_offset)) {
918
919 ss_info =
920 (union asic_ss_info *)(mode_info->atom_context->bios + data_offset);
921
922 switch (frev) {
923 case 1:
924 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
925 sizeof(ATOM_ASIC_SS_ASSIGNMENT);
926
927 ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info.asSpreadSpectrum[0]);
928 for (i = 0; i < num_indices; i++) {
929 if ((ss_assign->v1.ucClockIndication == id) &&
930 (clock <= le32_to_cpu(ss_assign->v1.ulTargetClockRange))) {
931 ss->percentage =
932 le16_to_cpu(ss_assign->v1.usSpreadSpectrumPercentage);
933 ss->type = ss_assign->v1.ucSpreadSpectrumMode;
934 ss->rate = le16_to_cpu(ss_assign->v1.usSpreadRateInKhz);
935 ss->percentage_divider = 100;
936 return true;
937 }
938 ss_assign = (union asic_ss_assignment *)
939 ((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT));
940 }
941 break;
942 case 2:
943 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
944 sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2);
945 ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info_2.asSpreadSpectrum[0]);
946 for (i = 0; i < num_indices; i++) {
947 if ((ss_assign->v2.ucClockIndication == id) &&
948 (clock <= le32_to_cpu(ss_assign->v2.ulTargetClockRange))) {
949 ss->percentage =
950 le16_to_cpu(ss_assign->v2.usSpreadSpectrumPercentage);
951 ss->type = ss_assign->v2.ucSpreadSpectrumMode;
952 ss->rate = le16_to_cpu(ss_assign->v2.usSpreadRateIn10Hz);
953 ss->percentage_divider = 100;
954 if ((crev == 2) &&
955 ((id == ASIC_INTERNAL_ENGINE_SS) ||
956 (id == ASIC_INTERNAL_MEMORY_SS)))
957 ss->rate /= 100;
958 return true;
959 }
960 ss_assign = (union asic_ss_assignment *)
961 ((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2));
962 }
963 break;
964 case 3:
965 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
966 sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3);
967 ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info_3.asSpreadSpectrum[0]);
968 for (i = 0; i < num_indices; i++) {
969 if ((ss_assign->v3.ucClockIndication == id) &&
970 (clock <= le32_to_cpu(ss_assign->v3.ulTargetClockRange))) {
971 ss->percentage =
972 le16_to_cpu(ss_assign->v3.usSpreadSpectrumPercentage);
973 ss->type = ss_assign->v3.ucSpreadSpectrumMode;
974 ss->rate = le16_to_cpu(ss_assign->v3.usSpreadRateIn10Hz);
975 if (ss_assign->v3.ucSpreadSpectrumMode &
976 SS_MODE_V3_PERCENTAGE_DIV_BY_1000_MASK)
977 ss->percentage_divider = 1000;
978 else
979 ss->percentage_divider = 100;
980 if ((id == ASIC_INTERNAL_ENGINE_SS) ||
981 (id == ASIC_INTERNAL_MEMORY_SS))
982 ss->rate /= 100;
2f7d10b3 983 if (adev->flags & AMD_IS_APU)
d38ceaf9
AD		 984 amdgpu_atombios_get_igp_ss_overrides(adev, ss, id);
985 return true;
986 }
987 ss_assign = (union asic_ss_assignment *)
988 ((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3));
989 }
990 break;
991 default:
992 DRM_ERROR("Unsupported ASIC_InternalSS_Info table: %d %d\n", frev, crev);
993 break;
994 }
995
996 }
997 return false;
998}
999
1000union get_clock_dividers {
1001 struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS v1;
1002 struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V2 v2;
1003 struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V3 v3;
1004 struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V4 v4;
1005 struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V5 v5;
1006 struct _COMPUTE_GPU_CLOCK_INPUT_PARAMETERS_V1_6 v6_in;
1007 struct _COMPUTE_GPU_CLOCK_OUTPUT_PARAMETERS_V1_6 v6_out;
1008};
1009
1010int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev,
1011 u8 clock_type,
1012 u32 clock,
1013 bool strobe_mode,
1014 struct atom_clock_dividers *dividers)
1015{
1016 union get_clock_dividers args;
1017 int index = GetIndexIntoMasterTable(COMMAND, ComputeMemoryEnginePLL);
1018 u8 frev, crev;
1019
1020 memset(&args, 0, sizeof(args));
1021 memset(dividers, 0, sizeof(struct atom_clock_dividers));
1022
1023 if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
1024 return -EINVAL;
1025
1026 switch (crev) {
9139d731
MSB		 1027 case 2:
1028 case 3:
1029 case 5:
1030 /* r6xx, r7xx, evergreen, ni, si.
1031 * TODO: add support for asic_type <= CHIP_RV770*/
1032 if (clock_type == COMPUTE_ENGINE_PLL_PARAM) {
1033 args.v3.ulClockParams = cpu_to_le32((clock_type << 24) | clock);
1034
1035 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1036
1037 dividers->post_div = args.v3.ucPostDiv;
1038 dividers->enable_post_div = (args.v3.ucCntlFlag &
1039 ATOM_PLL_CNTL_FLAG_PLL_POST_DIV_EN) ? true : false;
1040 dividers->enable_dithen = (args.v3.ucCntlFlag &
1041 ATOM_PLL_CNTL_FLAG_FRACTION_DISABLE) ? false : true;
1042 dividers->whole_fb_div = le16_to_cpu(args.v3.ulFbDiv.usFbDiv);
1043 dividers->frac_fb_div = le16_to_cpu(args.v3.ulFbDiv.usFbDivFrac);
1044 dividers->ref_div = args.v3.ucRefDiv;
1045 dividers->vco_mode = (args.v3.ucCntlFlag &
1046 ATOM_PLL_CNTL_FLAG_MPLL_VCO_MODE) ? 1 : 0;
1047 } else {
1048 /* for SI we use ComputeMemoryClockParam for memory plls */
1049 if (adev->asic_type >= CHIP_TAHITI)
1050 return -EINVAL;
1051 args.v5.ulClockParams = cpu_to_le32((clock_type << 24) | clock);
1052 if (strobe_mode)
1053 args.v5.ucInputFlag = ATOM_PLL_INPUT_FLAG_PLL_STROBE_MODE_EN;
1054
1055 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1056
1057 dividers->post_div = args.v5.ucPostDiv;
1058 dividers->enable_post_div = (args.v5.ucCntlFlag &
1059 ATOM_PLL_CNTL_FLAG_PLL_POST_DIV_EN) ? true : false;
1060 dividers->enable_dithen = (args.v5.ucCntlFlag &
1061 ATOM_PLL_CNTL_FLAG_FRACTION_DISABLE) ? false : true;
1062 dividers->whole_fb_div = le16_to_cpu(args.v5.ulFbDiv.usFbDiv);
1063 dividers->frac_fb_div = le16_to_cpu(args.v5.ulFbDiv.usFbDivFrac);
1064 dividers->ref_div = args.v5.ucRefDiv;
1065 dividers->vco_mode = (args.v5.ucCntlFlag &
1066 ATOM_PLL_CNTL_FLAG_MPLL_VCO_MODE) ? 1 : 0;
1067 }
1068 break;
d38ceaf9
AD		 1069 case 4:
1070 /* fusion */
1071 args.v4.ulClock = cpu_to_le32(clock); /* 10 khz */
1072
1073 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1074
1075 dividers->post_divider = dividers->post_div = args.v4.ucPostDiv;
1076 dividers->real_clock = le32_to_cpu(args.v4.ulClock);
1077 break;
1078 case 6:
1079 /* CI */
1080 /* COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK, COMPUTE_GPUCLK_INPUT_FLAG_SCLK */
1081 args.v6_in.ulClock.ulComputeClockFlag = clock_type;
1082 args.v6_in.ulClock.ulClockFreq = cpu_to_le32(clock); /* 10 khz */
1083
1084 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1085
1086 dividers->whole_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDiv);
1087 dividers->frac_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDivFrac);
1088 dividers->ref_div = args.v6_out.ucPllRefDiv;
1089 dividers->post_div = args.v6_out.ucPllPostDiv;
1090 dividers->flags = args.v6_out.ucPllCntlFlag;
1091 dividers->real_clock = le32_to_cpu(args.v6_out.ulClock.ulClock);
1092 dividers->post_divider = args.v6_out.ulClock.ucPostDiv;
1093 break;
1094 default:
1095 return -EINVAL;
1096 }
1097 return 0;
1098}
1099
1100int amdgpu_atombios_get_memory_pll_dividers(struct amdgpu_device *adev,
1101 u32 clock,
1102 bool strobe_mode,
1103 struct atom_mpll_param *mpll_param)
1104{
1105 COMPUTE_MEMORY_CLOCK_PARAM_PARAMETERS_V2_1 args;
1106 int index = GetIndexIntoMasterTable(COMMAND, ComputeMemoryClockParam);
1107 u8 frev, crev;
1108
1109 memset(&args, 0, sizeof(args));
1110 memset(mpll_param, 0, sizeof(struct atom_mpll_param));
1111
1112 if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
1113 return -EINVAL;
1114
1115 switch (frev) {
1116 case 2:
1117 switch (crev) {
1118 case 1:
1119 /* SI */
1120 args.ulClock = cpu_to_le32(clock); /* 10 khz */
1121 args.ucInputFlag = 0;
1122 if (strobe_mode)
1123 args.ucInputFlag |= MPLL_INPUT_FLAG_STROBE_MODE_EN;
1124
1125 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1126
1127 mpll_param->clkfrac = le16_to_cpu(args.ulFbDiv.usFbDivFrac);
1128 mpll_param->clkf = le16_to_cpu(args.ulFbDiv.usFbDiv);
1129 mpll_param->post_div = args.ucPostDiv;
1130 mpll_param->dll_speed = args.ucDllSpeed;
1131 mpll_param->bwcntl = args.ucBWCntl;
1132 mpll_param->vco_mode =
1133 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_VCO_MODE_MASK);
1134 mpll_param->yclk_sel =
1135 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_BYPASS_DQ_PLL) ? 1 : 0;
1136 mpll_param->qdr =
1137 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_QDR_ENABLE) ? 1 : 0;
1138 mpll_param->half_rate =
1139 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_AD_HALF_RATE) ? 1 : 0;
1140 break;
1141 default:
1142 return -EINVAL;
1143 }
1144 break;
1145 default:
1146 return -EINVAL;
1147 }
1148 return 0;
1149}
1150
d38ceaf9
AD		 1151void amdgpu_atombios_set_engine_dram_timings(struct amdgpu_device *adev,
1152 u32 eng_clock, u32 mem_clock)
1153{
1154 SET_ENGINE_CLOCK_PS_ALLOCATION args;
1155 int index = GetIndexIntoMasterTable(COMMAND, DynamicMemorySettings);
1156 u32 tmp;
1157
1158 memset(&args, 0, sizeof(args));
1159
1160 tmp = eng_clock & SET_CLOCK_FREQ_MASK;
1161 tmp |= (COMPUTE_ENGINE_PLL_PARAM << 24);
1162
1163 args.ulTargetEngineClock = cpu_to_le32(tmp);
1164 if (mem_clock)
1165 args.sReserved.ulClock = cpu_to_le32(mem_clock & SET_CLOCK_FREQ_MASK);
1166
1167 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1168}
1169
9139d731
MSB		 1170void amdgpu_atombios_get_default_voltages(struct amdgpu_device *adev,
1171 u16 *vddc, u16 *vddci, u16 *mvdd)
1172{
1173 struct amdgpu_mode_info *mode_info = &adev->mode_info;
1174 int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
1175 u8 frev, crev;
1176 u16 data_offset;
1177 union firmware_info *firmware_info;
1178
1179 *vddc = 0;
1180 *vddci = 0;
1181 *mvdd = 0;
1182
1183 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
1184 &frev, &crev, &data_offset)) {
1185 firmware_info =
1186 (union firmware_info *)(mode_info->atom_context->bios +
1187 data_offset);
1188 *vddc = le16_to_cpu(firmware_info->info_14.usBootUpVDDCVoltage);
1189 if ((frev == 2) && (crev >= 2)) {
1190 *vddci = le16_to_cpu(firmware_info->info_22.usBootUpVDDCIVoltage);
1191 *mvdd = le16_to_cpu(firmware_info->info_22.usBootUpMVDDCVoltage);
1192 }
1193 }
1194}
1195
d38ceaf9
AD		 1196union set_voltage {
1197 struct _SET_VOLTAGE_PS_ALLOCATION alloc;
1198 struct _SET_VOLTAGE_PARAMETERS v1;
1199 struct _SET_VOLTAGE_PARAMETERS_V2 v2;
1200 struct _SET_VOLTAGE_PARAMETERS_V1_3 v3;
1201};
1202
9139d731
MSB		 1203int amdgpu_atombios_get_max_vddc(struct amdgpu_device *adev, u8 voltage_type,
1204 u16 voltage_id, u16 *voltage)
1205{
1206 union set_voltage args;
1207 int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
1208 u8 frev, crev;
1209
1210 if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
1211 return -EINVAL;
1212
1213 switch (crev) {
1214 case 1:
1215 return -EINVAL;
1216 case 2:
1217 args.v2.ucVoltageType = SET_VOLTAGE_GET_MAX_VOLTAGE;
1218 args.v2.ucVoltageMode = 0;
1219 args.v2.usVoltageLevel = 0;
1220
1221 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1222
1223 *voltage = le16_to_cpu(args.v2.usVoltageLevel);
1224 break;
1225 case 3:
1226 args.v3.ucVoltageType = voltage_type;
1227 args.v3.ucVoltageMode = ATOM_GET_VOLTAGE_LEVEL;
1228 args.v3.usVoltageLevel = cpu_to_le16(voltage_id);
1229
1230 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1231
1232 *voltage = le16_to_cpu(args.v3.usVoltageLevel);
1233 break;
1234 default:
1235 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
1236 return -EINVAL;
1237 }
1238
1239 return 0;
1240}
1241
1242int amdgpu_atombios_get_leakage_vddc_based_on_leakage_idx(struct amdgpu_device *adev,
1243 u16 *voltage,
1244 u16 leakage_idx)
1245{
1246 return amdgpu_atombios_get_max_vddc(adev, VOLTAGE_TYPE_VDDC, leakage_idx, voltage);
1247}
1248
d38ceaf9
AD		 1249int amdgpu_atombios_get_leakage_id_from_vbios(struct amdgpu_device *adev,
1250 u16 *leakage_id)
1251{
1252 union set_voltage args;
1253 int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
1254 u8 frev, crev;
1255
1256 if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
1257 return -EINVAL;
1258
1259 switch (crev) {
1260 case 3:
1261 case 4:
1262 args.v3.ucVoltageType = 0;
1263 args.v3.ucVoltageMode = ATOM_GET_LEAKAGE_ID;
1264 args.v3.usVoltageLevel = 0;
1265
1266 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1267
1268 *leakage_id = le16_to_cpu(args.v3.usVoltageLevel);
1269 break;
1270 default:
1271 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
1272 return -EINVAL;
1273 }
1274
1275 return 0;
1276}
1277
1278int amdgpu_atombios_get_leakage_vddc_based_on_leakage_params(struct amdgpu_device *adev,
1279 u16 *vddc, u16 *vddci,
1280 u16 virtual_voltage_id,
1281 u16 vbios_voltage_id)
1282{
1283 int index = GetIndexIntoMasterTable(DATA, ASIC_ProfilingInfo);
1284 u8 frev, crev;
1285 u16 data_offset, size;
1286 int i, j;
1287 ATOM_ASIC_PROFILING_INFO_V2_1 *profile;
1288 u16 *leakage_bin, *vddc_id_buf, *vddc_buf, *vddci_id_buf, *vddci_buf;
1289
1290 *vddc = 0;
1291 *vddci = 0;
1292
1293 if (!amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
1294 &frev, &crev, &data_offset))
1295 return -EINVAL;
1296
1297 profile = (ATOM_ASIC_PROFILING_INFO_V2_1 *)
1298 (adev->mode_info.atom_context->bios + data_offset);
1299
1300 switch (frev) {
1301 case 1:
1302 return -EINVAL;
1303 case 2:
1304 switch (crev) {
1305 case 1:
1306 if (size < sizeof(ATOM_ASIC_PROFILING_INFO_V2_1))
1307 return -EINVAL;
1308 leakage_bin = (u16 *)
1309 (adev->mode_info.atom_context->bios + data_offset +
1310 le16_to_cpu(profile->usLeakageBinArrayOffset));
1311 vddc_id_buf = (u16 *)
1312 (adev->mode_info.atom_context->bios + data_offset +
1313 le16_to_cpu(profile->usElbVDDC_IdArrayOffset));
1314 vddc_buf = (u16 *)
1315 (adev->mode_info.atom_context->bios + data_offset +
1316 le16_to_cpu(profile->usElbVDDC_LevelArrayOffset));
1317 vddci_id_buf = (u16 *)
1318 (adev->mode_info.atom_context->bios + data_offset +
1319 le16_to_cpu(profile->usElbVDDCI_IdArrayOffset));
1320 vddci_buf = (u16 *)
1321 (adev->mode_info.atom_context->bios + data_offset +
1322 le16_to_cpu(profile->usElbVDDCI_LevelArrayOffset));
1323
1324 if (profile->ucElbVDDC_Num > 0) {
1325 for (i = 0; i < profile->ucElbVDDC_Num; i++) {
1326 if (vddc_id_buf[i] == virtual_voltage_id) {
1327 for (j = 0; j < profile->ucLeakageBinNum; j++) {
1328 if (vbios_voltage_id <= leakage_bin[j]) {
1329 *vddc = vddc_buf[j * profile->ucElbVDDC_Num + i];
1330 break;
1331 }
1332 }
1333 break;
1334 }
1335 }
1336 }
1337 if (profile->ucElbVDDCI_Num > 0) {
1338 for (i = 0; i < profile->ucElbVDDCI_Num; i++) {
1339 if (vddci_id_buf[i] == virtual_voltage_id) {
1340 for (j = 0; j < profile->ucLeakageBinNum; j++) {
1341 if (vbios_voltage_id <= leakage_bin[j]) {
1342 *vddci = vddci_buf[j * profile->ucElbVDDCI_Num + i];
1343 break;
1344 }
1345 }
1346 break;
1347 }
1348 }
1349 }
1350 break;
1351 default:
1352 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
1353 return -EINVAL;
1354 }
1355 break;
1356 default:
1357 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
1358 return -EINVAL;
1359 }
1360
1361 return 0;
1362}
1363
1364union get_voltage_info {
1365 struct _GET_VOLTAGE_INFO_INPUT_PARAMETER_V1_2 in;
1366 struct _GET_EVV_VOLTAGE_INFO_OUTPUT_PARAMETER_V1_2 evv_out;
1367};
1368
1369int amdgpu_atombios_get_voltage_evv(struct amdgpu_device *adev,
1370 u16 virtual_voltage_id,
1371 u16 *voltage)
1372{
1373 int index = GetIndexIntoMasterTable(COMMAND, GetVoltageInfo);
1374 u32 entry_id;
1375 u32 count = adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.count;
1376 union get_voltage_info args;
1377
1378 for (entry_id = 0; entry_id < count; entry_id++) {
1379 if (adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[entry_id].v ==
1380 virtual_voltage_id)
1381 break;
1382 }
1383
1384 if (entry_id >= count)
1385 return -EINVAL;
1386
1387 args.in.ucVoltageType = VOLTAGE_TYPE_VDDC;
1388 args.in.ucVoltageMode = ATOM_GET_VOLTAGE_EVV_VOLTAGE;
1389 args.in.usVoltageLevel = cpu_to_le16(virtual_voltage_id);
1390 args.in.ulSCLKFreq =
1391 cpu_to_le32(adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[entry_id].clk);
1392
1393 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1394
1395 *voltage = le16_to_cpu(args.evv_out.usVoltageLevel);
1396
1397 return 0;
1398}
1399
1400union voltage_object_info {
1401 struct _ATOM_VOLTAGE_OBJECT_INFO v1;
1402 struct _ATOM_VOLTAGE_OBJECT_INFO_V2 v2;
1403 struct _ATOM_VOLTAGE_OBJECT_INFO_V3_1 v3;
1404};
1405
1406union voltage_object {
1407 struct _ATOM_VOLTAGE_OBJECT v1;
1408 struct _ATOM_VOLTAGE_OBJECT_V2 v2;
1409 union _ATOM_VOLTAGE_OBJECT_V3 v3;
1410};
1411
1412
1413static ATOM_VOLTAGE_OBJECT_V3 *amdgpu_atombios_lookup_voltage_object_v3(ATOM_VOLTAGE_OBJECT_INFO_V3_1 *v3,
1414 u8 voltage_type, u8 voltage_mode)
1415{
1416 u32 size = le16_to_cpu(v3->sHeader.usStructureSize);
1417 u32 offset = offsetof(ATOM_VOLTAGE_OBJECT_INFO_V3_1, asVoltageObj[0]);
1418 u8 *start = (u8*)v3;
1419
1420 while (offset < size) {
1421 ATOM_VOLTAGE_OBJECT_V3 *vo = (ATOM_VOLTAGE_OBJECT_V3 *)(start + offset);
1422 if ((vo->asGpioVoltageObj.sHeader.ucVoltageType == voltage_type) &&
1423 (vo->asGpioVoltageObj.sHeader.ucVoltageMode == voltage_mode))
1424 return vo;
1425 offset += le16_to_cpu(vo->asGpioVoltageObj.sHeader.usSize);
1426 }
1427 return NULL;
1428}
1429
9139d731
MSB		 1430int amdgpu_atombios_get_svi2_info(struct amdgpu_device *adev,
1431 u8 voltage_type,
1432 u8 *svd_gpio_id, u8 *svc_gpio_id)
1433{
1434 int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
1435 u8 frev, crev;
1436 u16 data_offset, size;
1437 union voltage_object_info *voltage_info;
1438 union voltage_object *voltage_object = NULL;
1439
1440 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
1441 &frev, &crev, &data_offset)) {
1442 voltage_info = (union voltage_object_info *)
1443 (adev->mode_info.atom_context->bios + data_offset);
1444
1445 switch (frev) {
1446 case 3:
1447 switch (crev) {
1448 case 1:
1449 voltage_object = (union voltage_object *)
1450 amdgpu_atombios_lookup_voltage_object_v3(&voltage_info->v3,
1451 voltage_type,
1452 VOLTAGE_OBJ_SVID2);
1453 if (voltage_object) {
1454 *svd_gpio_id = voltage_object->v3.asSVID2Obj.ucSVDGpioId;
1455 *svc_gpio_id = voltage_object->v3.asSVID2Obj.ucSVCGpioId;
1456 } else {
1457 return -EINVAL;
1458 }
1459 break;
1460 default:
1461 DRM_ERROR("unknown voltage object table\n");
1462 return -EINVAL;
1463 }
1464 break;
1465 default:
1466 DRM_ERROR("unknown voltage object table\n");
1467 return -EINVAL;
1468 }
1469
1470 }
1471 return 0;
1472}
1473
d38ceaf9
AD		 1474bool
1475amdgpu_atombios_is_voltage_gpio(struct amdgpu_device *adev,
1476 u8 voltage_type, u8 voltage_mode)
1477{
1478 int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
1479 u8 frev, crev;
1480 u16 data_offset, size;
1481 union voltage_object_info *voltage_info;
1482
1483 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
1484 &frev, &crev, &data_offset)) {
1485 voltage_info = (union voltage_object_info *)
1486 (adev->mode_info.atom_context->bios + data_offset);
1487
1488 switch (frev) {
1489 case 3:
1490 switch (crev) {
1491 case 1:
1492 if (amdgpu_atombios_lookup_voltage_object_v3(&voltage_info->v3,
1493 voltage_type, voltage_mode))
1494 return true;
1495 break;
1496 default:
1497 DRM_ERROR("unknown voltage object table\n");
1498 return false;
1499 }
1500 break;
1501 default:
1502 DRM_ERROR("unknown voltage object table\n");
1503 return false;
1504 }
1505
1506 }
1507 return false;
1508}
1509
1510int amdgpu_atombios_get_voltage_table(struct amdgpu_device *adev,
1511 u8 voltage_type, u8 voltage_mode,
1512 struct atom_voltage_table *voltage_table)
1513{
1514 int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
1515 u8 frev, crev;
1516 u16 data_offset, size;
1517 int i;
1518 union voltage_object_info *voltage_info;
1519 union voltage_object *voltage_object = NULL;
1520
1521 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
1522 &frev, &crev, &data_offset)) {
1523 voltage_info = (union voltage_object_info *)
1524 (adev->mode_info.atom_context->bios + data_offset);
1525
1526 switch (frev) {
1527 case 3:
1528 switch (crev) {
1529 case 1:
1530 voltage_object = (union voltage_object *)
1531 amdgpu_atombios_lookup_voltage_object_v3(&voltage_info->v3,
1532 voltage_type, voltage_mode);
1533 if (voltage_object) {
1534 ATOM_GPIO_VOLTAGE_OBJECT_V3 *gpio =
1535 &voltage_object->v3.asGpioVoltageObj;
1536 VOLTAGE_LUT_ENTRY_V2 *lut;
1537 if (gpio->ucGpioEntryNum > MAX_VOLTAGE_ENTRIES)
1538 return -EINVAL;
1539 lut = &gpio->asVolGpioLut[0];
1540 for (i = 0; i < gpio->ucGpioEntryNum; i++) {
1541 voltage_table->entries[i].value =
1542 le16_to_cpu(lut->usVoltageValue);
1543 voltage_table->entries[i].smio_low =
1544 le32_to_cpu(lut->ulVoltageId);
1545 lut = (VOLTAGE_LUT_ENTRY_V2 *)
1546 ((u8 *)lut + sizeof(VOLTAGE_LUT_ENTRY_V2));
1547 }
1548 voltage_table->mask_low = le32_to_cpu(gpio->ulGpioMaskVal);
1549 voltage_table->count = gpio->ucGpioEntryNum;
1550 voltage_table->phase_delay = gpio->ucPhaseDelay;
1551 return 0;
1552 }
1553 break;
1554 default:
1555 DRM_ERROR("unknown voltage object table\n");
1556 return -EINVAL;
1557 }
1558 break;
1559 default:
1560 DRM_ERROR("unknown voltage object table\n");
1561 return -EINVAL;
1562 }
1563 }
1564 return -EINVAL;
1565}
1566
1567union vram_info {
1568 struct _ATOM_VRAM_INFO_V3 v1_3;
1569 struct _ATOM_VRAM_INFO_V4 v1_4;
1570 struct _ATOM_VRAM_INFO_HEADER_V2_1 v2_1;
1571};
1572
1573#define MEM_ID_MASK 0xff000000
1574#define MEM_ID_SHIFT 24
1575#define CLOCK_RANGE_MASK 0x00ffffff
1576#define CLOCK_RANGE_SHIFT 0
1577#define LOW_NIBBLE_MASK 0xf
1578#define DATA_EQU_PREV 0
1579#define DATA_FROM_TABLE 4
1580
1581int amdgpu_atombios_init_mc_reg_table(struct amdgpu_device *adev,
1582 u8 module_index,
1583 struct atom_mc_reg_table *reg_table)
1584{
1585 int index = GetIndexIntoMasterTable(DATA, VRAM_Info);
1586 u8 frev, crev, num_entries, t_mem_id, num_ranges = 0;
1587 u32 i = 0, j;
1588 u16 data_offset, size;
1589 union vram_info *vram_info;
1590
1591 memset(reg_table, 0, sizeof(struct atom_mc_reg_table));
1592
1593 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
1594 &frev, &crev, &data_offset)) {
1595 vram_info = (union vram_info *)
1596 (adev->mode_info.atom_context->bios + data_offset);
1597 switch (frev) {
1598 case 1:
1599 DRM_ERROR("old table version %d, %d\n", frev, crev);
1600 return -EINVAL;
1601 case 2:
1602 switch (crev) {
1603 case 1:
1604 if (module_index < vram_info->v2_1.ucNumOfVRAMModule) {
1605 ATOM_INIT_REG_BLOCK *reg_block =
1606 (ATOM_INIT_REG_BLOCK *)
1607 ((u8 *)vram_info + le16_to_cpu(vram_info->v2_1.usMemClkPatchTblOffset));
1608 ATOM_MEMORY_SETTING_DATA_BLOCK *reg_data =
1609 (ATOM_MEMORY_SETTING_DATA_BLOCK *)
1610 ((u8 *)reg_block + (2 * sizeof(u16)) +
1611 le16_to_cpu(reg_block->usRegIndexTblSize));
1612 ATOM_INIT_REG_INDEX_FORMAT *format = &reg_block->asRegIndexBuf[0];
1613 num_entries = (u8)((le16_to_cpu(reg_block->usRegIndexTblSize)) /
1614 sizeof(ATOM_INIT_REG_INDEX_FORMAT)) - 1;
1615 if (num_entries > VBIOS_MC_REGISTER_ARRAY_SIZE)
1616 return -EINVAL;
1617 while (i < num_entries) {
1618 if (format->ucPreRegDataLength & ACCESS_PLACEHOLDER)
1619 break;
1620 reg_table->mc_reg_address[i].s1 =
1621 (u16)(le16_to_cpu(format->usRegIndex));
1622 reg_table->mc_reg_address[i].pre_reg_data =
1623 (u8)(format->ucPreRegDataLength);
1624 i++;
1625 format = (ATOM_INIT_REG_INDEX_FORMAT *)
1626 ((u8 *)format + sizeof(ATOM_INIT_REG_INDEX_FORMAT));
1627 }
1628 reg_table->last = i;
1629 while ((le32_to_cpu(*(u32 *)reg_data) != END_OF_REG_DATA_BLOCK) &&
1630 (num_ranges < VBIOS_MAX_AC_TIMING_ENTRIES)) {
1631 t_mem_id = (u8)((le32_to_cpu(*(u32 *)reg_data) & MEM_ID_MASK)
1632 >> MEM_ID_SHIFT);
1633 if (module_index == t_mem_id) {
1634 reg_table->mc_reg_table_entry[num_ranges].mclk_max =
1635 (u32)((le32_to_cpu(*(u32 *)reg_data) & CLOCK_RANGE_MASK)
1636 >> CLOCK_RANGE_SHIFT);
1637 for (i = 0, j = 1; i < reg_table->last; i++) {
1638 if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_FROM_TABLE) {
1639 reg_table->mc_reg_table_entry[num_ranges].mc_data[i] =
1640 (u32)le32_to_cpu(*((u32 *)reg_data + j));
1641 j++;
1642 } else if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) {
1643 reg_table->mc_reg_table_entry[num_ranges].mc_data[i] =
1644 reg_table->mc_reg_table_entry[num_ranges].mc_data[i - 1];
1645 }
1646 }
1647 num_ranges++;
1648 }
1649 reg_data = (ATOM_MEMORY_SETTING_DATA_BLOCK *)
1650 ((u8 *)reg_data + le16_to_cpu(reg_block->usRegDataBlkSize));
1651 }
1652 if (le32_to_cpu(*(u32 *)reg_data) != END_OF_REG_DATA_BLOCK)
1653 return -EINVAL;
1654 reg_table->num_entries = num_ranges;
1655 } else
1656 return -EINVAL;
1657 break;
1658 default:
1659 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
1660 return -EINVAL;
1661 }
1662 break;
1663 default:
1664 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
1665 return -EINVAL;
1666 }
1667 return 0;
1668 }
1669 return -EINVAL;
1670}
1671
e74adf20
AD		 1672bool amdgpu_atombios_has_gpu_virtualization_table(struct amdgpu_device *adev)
1673{
1674 int index = GetIndexIntoMasterTable(DATA, GPUVirtualizationInfo);
1675 u8 frev, crev;
1676 u16 data_offset, size;
1677
1678 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
1679 &frev, &crev, &data_offset))
1680 return true;
1681
1682 return false;
1683}
1684
d38ceaf9
AD		 1685void amdgpu_atombios_scratch_regs_lock(struct amdgpu_device *adev, bool lock)
1686{
1687 uint32_t bios_6_scratch;
1688
1689 bios_6_scratch = RREG32(mmBIOS_SCRATCH_6);
1690
1691 if (lock) {
1692 bios_6_scratch |= ATOM_S6_CRITICAL_STATE;
1693 bios_6_scratch &= ~ATOM_S6_ACC_MODE;
1694 } else {
1695 bios_6_scratch &= ~ATOM_S6_CRITICAL_STATE;
1696 bios_6_scratch |= ATOM_S6_ACC_MODE;
1697 }
1698
1699 WREG32(mmBIOS_SCRATCH_6, bios_6_scratch);
1700}
1701
1702void amdgpu_atombios_scratch_regs_init(struct amdgpu_device *adev)
1703{
1704 uint32_t bios_2_scratch, bios_6_scratch;
1705
1706 bios_2_scratch = RREG32(mmBIOS_SCRATCH_2);
1707 bios_6_scratch = RREG32(mmBIOS_SCRATCH_6);
1708
1709 /* let the bios control the backlight */
1710 bios_2_scratch &= ~ATOM_S2_VRI_BRIGHT_ENABLE;
1711
1712 /* tell the bios not to handle mode switching */
1713 bios_6_scratch |= ATOM_S6_ACC_BLOCK_DISPLAY_SWITCH;
1714
1715 /* clear the vbios dpms state */
1716 bios_2_scratch &= ~ATOM_S2_DEVICE_DPMS_STATE;
1717
1718 WREG32(mmBIOS_SCRATCH_2, bios_2_scratch);
1719 WREG32(mmBIOS_SCRATCH_6, bios_6_scratch);
1720}
1721
1722void amdgpu_atombios_scratch_regs_save(struct amdgpu_device *adev)
1723{
1724 int i;
1725
1726 for (i = 0; i < AMDGPU_BIOS_NUM_SCRATCH; i++)
1727 adev->bios_scratch[i] = RREG32(mmBIOS_SCRATCH_0 + i);
1728}
1729
1730void amdgpu_atombios_scratch_regs_restore(struct amdgpu_device *adev)
1731{
1732 int i;
1733
692bb1ac
HR		 1734 /*
1735 * VBIOS will check ASIC_INIT_COMPLETE bit to decide if
1736 * execute ASIC_Init posting via driver
1737 */
1738 adev->bios_scratch[7] &= ~ATOM_S7_ASIC_INIT_COMPLETE_MASK;
1739
d38ceaf9
AD		 1740 for (i = 0; i < AMDGPU_BIOS_NUM_SCRATCH; i++)
1741 WREG32(mmBIOS_SCRATCH_0 + i, adev->bios_scratch[i]);
1742}
1743
72a57438
AD		 1744void amdgpu_atombios_scratch_regs_engine_hung(struct amdgpu_device *adev,
1745 bool hung)
1746{
1747 u32 tmp = RREG32(mmBIOS_SCRATCH_3);
1748
1749 if (hung)
1750 tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
1751 else
1752 tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
1753
1754 WREG32(mmBIOS_SCRATCH_3, tmp);
1755}
1756
d38ceaf9
AD		 1757/* Atom needs data in little endian format
1758 * so swap as appropriate when copying data to
1759 * or from atom. Note that atom operates on
1760 * dw units.
1761 */
1762void amdgpu_atombios_copy_swap(u8 *dst, u8 *src, u8 num_bytes, bool to_le)
1763{
1764#ifdef __BIG_ENDIAN
1765 u8 src_tmp[20], dst_tmp[20]; /* used for byteswapping */
1766 u32 *dst32, *src32;
1767 int i;
1768
1769 memcpy(src_tmp, src, num_bytes);
1770 src32 = (u32 *)src_tmp;
1771 dst32 = (u32 *)dst_tmp;
1772 if (to_le) {
1773 for (i = 0; i < ((num_bytes + 3) / 4); i++)
1774 dst32[i] = cpu_to_le32(src32[i]);
1775 memcpy(dst, dst_tmp, num_bytes);
1776 } else {
1777 u8 dws = num_bytes & ~3;
1778 for (i = 0; i < ((num_bytes + 3) / 4); i++)
1779 dst32[i] = le32_to_cpu(src32[i]);
1780 memcpy(dst, dst_tmp, dws);
1781 if (num_bytes % 4) {
1782 for (i = 0; i < (num_bytes % 4); i++)
1783 dst[dws+i] = dst_tmp[dws+i];
1784 }
1785 }
1786#else
1787 memcpy(dst, src, num_bytes);
1788#endif
1789}
43bf11bd
AD		 1790
1791int amdgpu_atombios_allocate_fb_scratch(struct amdgpu_device *adev)
1792{
1793 struct atom_context *ctx = adev->mode_info.atom_context;
1794 int index = GetIndexIntoMasterTable(DATA, VRAM_UsageByFirmware);
1795 uint16_t data_offset;
1796 int usage_bytes = 0;
1797 struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage;
1798
1799 if (amdgpu_atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) {
1800 firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset);
1801
1802 DRM_DEBUG("atom firmware requested %08x %dkb\n",
1803 le32_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware),
1804 le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb));
1805
1806 usage_bytes = le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb) * 1024;
1807 }
1808 ctx->scratch_size_bytes = 0;
1809 if (usage_bytes == 0)
1810 usage_bytes = 20 * 1024;
1811 /* allocate some scratch memory */
1812 ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL);
1813 if (!ctx->scratch)
1814 return -ENOMEM;
1815 ctx->scratch_size_bytes = usage_bytes;
1816 return 0;
1817}
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