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#include "amdgpu_display.h"
33
34#include "atom.h"
35#include "atom-bits.h"
36#include "atombios_encoders.h"
37#include "bif/bif_4_1_d.h"
38
39static void amdgpu_atombios_lookup_i2c_gpio_quirks(struct amdgpu_device *adev,
40 ATOM_GPIO_I2C_ASSIGMENT *gpio,
41 u8 index)
42{
43
44}
45
46static struct amdgpu_i2c_bus_rec amdgpu_atombios_get_bus_rec_for_i2c_gpio(ATOM_GPIO_I2C_ASSIGMENT *gpio)
47{
48 struct amdgpu_i2c_bus_rec i2c;
49
50 memset(&i2c, 0, sizeof(struct amdgpu_i2c_bus_rec));
51
52 i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex);
53 i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex);
54 i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex);
55 i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex);
56 i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex);
57 i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex);
58 i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex);
59 i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex);
60 i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
61 i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
62 i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
63 i2c.en_data_mask = (1 << gpio->ucDataEnShift);
64 i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
65 i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
66 i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
67 i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
68
69 if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
70 i2c.hw_capable = true;
71 else
72 i2c.hw_capable = false;
73
74 if (gpio->sucI2cId.ucAccess == 0xa0)
75 i2c.mm_i2c = true;
76 else
77 i2c.mm_i2c = false;
78
79 i2c.i2c_id = gpio->sucI2cId.ucAccess;
80
81 if (i2c.mask_clk_reg)
82 i2c.valid = true;
83 else
84 i2c.valid = false;
85
86 return i2c;
87}
88
89struct amdgpu_i2c_bus_rec amdgpu_atombios_lookup_i2c_gpio(struct amdgpu_device *adev,
90 uint8_t id)
91{
92 struct atom_context *ctx = adev->mode_info.atom_context;
93 ATOM_GPIO_I2C_ASSIGMENT *gpio;
94 struct amdgpu_i2c_bus_rec i2c;
95 int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info);
96 struct _ATOM_GPIO_I2C_INFO *i2c_info;
97 uint16_t data_offset, size;
98 int i, num_indices;
99
100 memset(&i2c, 0, sizeof(struct amdgpu_i2c_bus_rec));
101 i2c.valid = false;
102
103 if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
104 i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
105
106 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
107 sizeof(ATOM_GPIO_I2C_ASSIGMENT);
108
109 gpio = &i2c_info->asGPIO_Info[0];
110 for (i = 0; i < num_indices; i++) {
111
112 amdgpu_atombios_lookup_i2c_gpio_quirks(adev, gpio, i);
113
114 if (gpio->sucI2cId.ucAccess == id) {
115 i2c = amdgpu_atombios_get_bus_rec_for_i2c_gpio(gpio);
116 break;
117 }
118 gpio = (ATOM_GPIO_I2C_ASSIGMENT *)
119 ((u8 *)gpio + sizeof(ATOM_GPIO_I2C_ASSIGMENT));
120 }
121 }
122
123 return i2c;
124}
125
126void amdgpu_atombios_i2c_init(struct amdgpu_device *adev)
127{
128 struct atom_context *ctx = adev->mode_info.atom_context;
129 ATOM_GPIO_I2C_ASSIGMENT *gpio;
130 struct amdgpu_i2c_bus_rec i2c;
131 int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info);
132 struct _ATOM_GPIO_I2C_INFO *i2c_info;
133 uint16_t data_offset, size;
134 int i, num_indices;
135 char stmp[32];
136
137 if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
138 i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
139
140 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
141 sizeof(ATOM_GPIO_I2C_ASSIGMENT);
142
143 gpio = &i2c_info->asGPIO_Info[0];
144 for (i = 0; i < num_indices; i++) {
145 amdgpu_atombios_lookup_i2c_gpio_quirks(adev, gpio, i);
146
147 i2c = amdgpu_atombios_get_bus_rec_for_i2c_gpio(gpio);
148
149 if (i2c.valid) {
150 sprintf(stmp, "0x%x", i2c.i2c_id);
151 adev->i2c_bus[i] = amdgpu_i2c_create(adev->ddev, &i2c, stmp);
152 }
153 gpio = (ATOM_GPIO_I2C_ASSIGMENT *)
154 ((u8 *)gpio + sizeof(ATOM_GPIO_I2C_ASSIGMENT));
155 }
156 }
157}
158
159struct amdgpu_gpio_rec
160amdgpu_atombios_lookup_gpio(struct amdgpu_device *adev,
161 u8 id)
162{
163 struct atom_context *ctx = adev->mode_info.atom_context;
164 struct amdgpu_gpio_rec gpio;
165 int index = GetIndexIntoMasterTable(DATA, GPIO_Pin_LUT);
166 struct _ATOM_GPIO_PIN_LUT *gpio_info;
167 ATOM_GPIO_PIN_ASSIGNMENT *pin;
168 u16 data_offset, size;
169 int i, num_indices;
170
171 memset(&gpio, 0, sizeof(struct amdgpu_gpio_rec));
172 gpio.valid = false;
173
174 if (amdgpu_atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
175 gpio_info = (struct _ATOM_GPIO_PIN_LUT *)(ctx->bios + data_offset);
176
177 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
178 sizeof(ATOM_GPIO_PIN_ASSIGNMENT);
179
180 pin = gpio_info->asGPIO_Pin;
181 for (i = 0; i < num_indices; i++) {
182 if (id == pin->ucGPIO_ID) {
183 gpio.id = pin->ucGPIO_ID;
184 gpio.reg = le16_to_cpu(pin->usGpioPin_AIndex);
185 gpio.shift = pin->ucGpioPinBitShift;
186 gpio.mask = (1 << pin->ucGpioPinBitShift);
187 gpio.valid = true;
188 break;
189 }
190 pin = (ATOM_GPIO_PIN_ASSIGNMENT *)
191 ((u8 *)pin + sizeof(ATOM_GPIO_PIN_ASSIGNMENT));
192 }
193 }
194
195 return gpio;
196}
197
198static struct amdgpu_hpd
199amdgpu_atombios_get_hpd_info_from_gpio(struct amdgpu_device *adev,
200 struct amdgpu_gpio_rec *gpio)
201{
202 struct amdgpu_hpd hpd;
203 u32 reg;
204
205 memset(&hpd, 0, sizeof(struct amdgpu_hpd));
206
207 reg = amdgpu_display_hpd_get_gpio_reg(adev);
208
209 hpd.gpio = *gpio;
210 if (gpio->reg == reg) {
211 switch(gpio->mask) {
212 case (1 << 0):
213 hpd.hpd = AMDGPU_HPD_1;
214 break;
215 case (1 << 8):
216 hpd.hpd = AMDGPU_HPD_2;
217 break;
218 case (1 << 16):
219 hpd.hpd = AMDGPU_HPD_3;
220 break;
221 case (1 << 24):
222 hpd.hpd = AMDGPU_HPD_4;
223 break;
224 case (1 << 26):
225 hpd.hpd = AMDGPU_HPD_5;
226 break;
227 case (1 << 28):
228 hpd.hpd = AMDGPU_HPD_6;
229 break;
230 default:
231 hpd.hpd = AMDGPU_HPD_NONE;
232 break;
233 }
234 } else
235 hpd.hpd = AMDGPU_HPD_NONE;
236 return hpd;
237}
238
239static const int object_connector_convert[] = {
240 DRM_MODE_CONNECTOR_Unknown,
241 DRM_MODE_CONNECTOR_DVII,
242 DRM_MODE_CONNECTOR_DVII,
243 DRM_MODE_CONNECTOR_DVID,
244 DRM_MODE_CONNECTOR_DVID,
245 DRM_MODE_CONNECTOR_VGA,
246 DRM_MODE_CONNECTOR_Composite,
247 DRM_MODE_CONNECTOR_SVIDEO,
248 DRM_MODE_CONNECTOR_Unknown,
249 DRM_MODE_CONNECTOR_Unknown,
250 DRM_MODE_CONNECTOR_9PinDIN,
251 DRM_MODE_CONNECTOR_Unknown,
252 DRM_MODE_CONNECTOR_HDMIA,
253 DRM_MODE_CONNECTOR_HDMIB,
254 DRM_MODE_CONNECTOR_LVDS,
255 DRM_MODE_CONNECTOR_9PinDIN,
256 DRM_MODE_CONNECTOR_Unknown,
257 DRM_MODE_CONNECTOR_Unknown,
258 DRM_MODE_CONNECTOR_Unknown,
259 DRM_MODE_CONNECTOR_DisplayPort,
260 DRM_MODE_CONNECTOR_eDP,
261 DRM_MODE_CONNECTOR_Unknown
262};
263
264bool amdgpu_atombios_has_dce_engine_info(struct amdgpu_device *adev)
265{
266 struct amdgpu_mode_info *mode_info = &adev->mode_info;
267 struct atom_context *ctx = mode_info->atom_context;
268 int index = GetIndexIntoMasterTable(DATA, Object_Header);
269 u16 size, data_offset;
270 u8 frev, crev;
271 ATOM_DISPLAY_OBJECT_PATH_TABLE *path_obj;
272 ATOM_OBJECT_HEADER *obj_header;
273
274 if (!amdgpu_atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset))
275 return false;
276
277 if (crev < 2)
278 return false;
279
280 obj_header = (ATOM_OBJECT_HEADER *) (ctx->bios + data_offset);
281 path_obj = (ATOM_DISPLAY_OBJECT_PATH_TABLE *)
282 (ctx->bios + data_offset +
283 le16_to_cpu(obj_header->usDisplayPathTableOffset));
284
285 if (path_obj->ucNumOfDispPath)
286 return true;
287 else
288 return false;
289}
290
291bool amdgpu_atombios_get_connector_info_from_object_table(struct amdgpu_device *adev)
292{
293 struct amdgpu_mode_info *mode_info = &adev->mode_info;
294 struct atom_context *ctx = mode_info->atom_context;
295 int index = GetIndexIntoMasterTable(DATA, Object_Header);
296 u16 size, data_offset;
297 u8 frev, crev;
298 ATOM_CONNECTOR_OBJECT_TABLE *con_obj;
299 ATOM_ENCODER_OBJECT_TABLE *enc_obj;
300 ATOM_OBJECT_TABLE *router_obj;
301 ATOM_DISPLAY_OBJECT_PATH_TABLE *path_obj;
302 ATOM_OBJECT_HEADER *obj_header;
303 int i, j, k, path_size, device_support;
304 int connector_type;
305 u16 conn_id, connector_object_id;
306 struct amdgpu_i2c_bus_rec ddc_bus;
307 struct amdgpu_router router;
308 struct amdgpu_gpio_rec gpio;
309 struct amdgpu_hpd hpd;
310
311 if (!amdgpu_atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset))
312 return false;
313
314 if (crev < 2)
315 return false;
316
317 obj_header = (ATOM_OBJECT_HEADER *) (ctx->bios + data_offset);
318 path_obj = (ATOM_DISPLAY_OBJECT_PATH_TABLE *)
319 (ctx->bios + data_offset +
320 le16_to_cpu(obj_header->usDisplayPathTableOffset));
321 con_obj = (ATOM_CONNECTOR_OBJECT_TABLE *)
322 (ctx->bios + data_offset +
323 le16_to_cpu(obj_header->usConnectorObjectTableOffset));
324 enc_obj = (ATOM_ENCODER_OBJECT_TABLE *)
325 (ctx->bios + data_offset +
326 le16_to_cpu(obj_header->usEncoderObjectTableOffset));
327 router_obj = (ATOM_OBJECT_TABLE *)
328 (ctx->bios + data_offset +
329 le16_to_cpu(obj_header->usRouterObjectTableOffset));
330 device_support = le16_to_cpu(obj_header->usDeviceSupport);
331
332 path_size = 0;
333 for (i = 0; i < path_obj->ucNumOfDispPath; i++) {
334 uint8_t *addr = (uint8_t *) path_obj->asDispPath;
335 ATOM_DISPLAY_OBJECT_PATH *path;
336 addr += path_size;
337 path = (ATOM_DISPLAY_OBJECT_PATH *) addr;
338 path_size += le16_to_cpu(path->usSize);
339
340 if (device_support & le16_to_cpu(path->usDeviceTag)) {
341 uint8_t con_obj_id, con_obj_num, con_obj_type;
342
343 con_obj_id =
344 (le16_to_cpu(path->usConnObjectId) & OBJECT_ID_MASK)
345 >> OBJECT_ID_SHIFT;
346 con_obj_num =
347 (le16_to_cpu(path->usConnObjectId) & ENUM_ID_MASK)
348 >> ENUM_ID_SHIFT;
349 con_obj_type =
350 (le16_to_cpu(path->usConnObjectId) &
351 OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
352
353 /* Skip TV/CV support */
354 if ((le16_to_cpu(path->usDeviceTag) ==
355 ATOM_DEVICE_TV1_SUPPORT) ||
356 (le16_to_cpu(path->usDeviceTag) ==
357 ATOM_DEVICE_CV_SUPPORT))
358 continue;
359
360 if (con_obj_id >= ARRAY_SIZE(object_connector_convert)) {
361 DRM_ERROR("invalid con_obj_id %d for device tag 0x%04x\n",
362 con_obj_id, le16_to_cpu(path->usDeviceTag));
363 continue;
364 }
365
366 connector_type =
367 object_connector_convert[con_obj_id];
368 connector_object_id = con_obj_id;
369
370 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
371 continue;
372
373 router.ddc_valid = false;
374 router.cd_valid = false;
375 for (j = 0; j < ((le16_to_cpu(path->usSize) - 8) / 2); j++) {
376 uint8_t grph_obj_id, grph_obj_num, grph_obj_type;
377
378 grph_obj_id =
379 (le16_to_cpu(path->usGraphicObjIds[j]) &
380 OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
381 grph_obj_num =
382 (le16_to_cpu(path->usGraphicObjIds[j]) &
383 ENUM_ID_MASK) >> ENUM_ID_SHIFT;
384 grph_obj_type =
385 (le16_to_cpu(path->usGraphicObjIds[j]) &
386 OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
387
388 if (grph_obj_type == GRAPH_OBJECT_TYPE_ENCODER) {
389 for (k = 0; k < enc_obj->ucNumberOfObjects; k++) {
390 u16 encoder_obj = le16_to_cpu(enc_obj->asObjects[k].usObjectID);
391 if (le16_to_cpu(path->usGraphicObjIds[j]) == encoder_obj) {
392 ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *)
393 (ctx->bios + data_offset +
394 le16_to_cpu(enc_obj->asObjects[k].usRecordOffset));
395 ATOM_ENCODER_CAP_RECORD *cap_record;
396 u16 caps = 0;
397
398 while (record->ucRecordSize > 0 &&
399 record->ucRecordType > 0 &&
400 record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
401 switch (record->ucRecordType) {
402 case ATOM_ENCODER_CAP_RECORD_TYPE:
403 cap_record =(ATOM_ENCODER_CAP_RECORD *)
404 record;
405 caps = le16_to_cpu(cap_record->usEncoderCap);
406 break;
407 }
408 record = (ATOM_COMMON_RECORD_HEADER *)
409 ((char *)record + record->ucRecordSize);
410 }
411 amdgpu_display_add_encoder(adev, encoder_obj,
412 le16_to_cpu(path->usDeviceTag),
413 caps);
414 }
415 }
416 } else if (grph_obj_type == GRAPH_OBJECT_TYPE_ROUTER) {
417 for (k = 0; k < router_obj->ucNumberOfObjects; k++) {
418 u16 router_obj_id = le16_to_cpu(router_obj->asObjects[k].usObjectID);
419 if (le16_to_cpu(path->usGraphicObjIds[j]) == router_obj_id) {
420 ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *)
421 (ctx->bios + data_offset +
422 le16_to_cpu(router_obj->asObjects[k].usRecordOffset));
423 ATOM_I2C_RECORD *i2c_record;
424 ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
425 ATOM_ROUTER_DDC_PATH_SELECT_RECORD *ddc_path;
426 ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *cd_path;
427 ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *router_src_dst_table =
428 (ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *)
429 (ctx->bios + data_offset +
430 le16_to_cpu(router_obj->asObjects[k].usSrcDstTableOffset));
431 u8 *num_dst_objs = (u8 *)
432 ((u8 *)router_src_dst_table + 1 +
433 (router_src_dst_table->ucNumberOfSrc * 2));
434 u16 *dst_objs = (u16 *)(num_dst_objs + 1);
435 int enum_id;
436
437 router.router_id = router_obj_id;
438 for (enum_id = 0; enum_id < (*num_dst_objs); enum_id++) {
439 if (le16_to_cpu(path->usConnObjectId) ==
440 le16_to_cpu(dst_objs[enum_id]))
441 break;
442 }
443
444 while (record->ucRecordSize > 0 &&
445 record->ucRecordType > 0 &&
446 record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
447 switch (record->ucRecordType) {
448 case ATOM_I2C_RECORD_TYPE:
449 i2c_record =
450 (ATOM_I2C_RECORD *)
451 record;
452 i2c_config =
453 (ATOM_I2C_ID_CONFIG_ACCESS *)
454 &i2c_record->sucI2cId;
455 router.i2c_info =
456 amdgpu_atombios_lookup_i2c_gpio(adev,
457 i2c_config->
458 ucAccess);
459 router.i2c_addr = i2c_record->ucI2CAddr >> 1;
460 break;
461 case ATOM_ROUTER_DDC_PATH_SELECT_RECORD_TYPE:
462 ddc_path = (ATOM_ROUTER_DDC_PATH_SELECT_RECORD *)
463 record;
464 router.ddc_valid = true;
465 router.ddc_mux_type = ddc_path->ucMuxType;
466 router.ddc_mux_control_pin = ddc_path->ucMuxControlPin;
467 router.ddc_mux_state = ddc_path->ucMuxState[enum_id];
468 break;
469 case ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD_TYPE:
470 cd_path = (ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *)
471 record;
472 router.cd_valid = true;
473 router.cd_mux_type = cd_path->ucMuxType;
474 router.cd_mux_control_pin = cd_path->ucMuxControlPin;
475 router.cd_mux_state = cd_path->ucMuxState[enum_id];
476 break;
477 }
478 record = (ATOM_COMMON_RECORD_HEADER *)
479 ((char *)record + record->ucRecordSize);
480 }
481 }
482 }
483 }
484 }
485
486 /* look up gpio for ddc, hpd */
487 ddc_bus.valid = false;
488 hpd.hpd = AMDGPU_HPD_NONE;
489 if ((le16_to_cpu(path->usDeviceTag) &
490 (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) == 0) {
491 for (j = 0; j < con_obj->ucNumberOfObjects; j++) {
492 if (le16_to_cpu(path->usConnObjectId) ==
493 le16_to_cpu(con_obj->asObjects[j].
494 usObjectID)) {
495 ATOM_COMMON_RECORD_HEADER
496 *record =
497 (ATOM_COMMON_RECORD_HEADER
498 *)
499 (ctx->bios + data_offset +
500 le16_to_cpu(con_obj->
501 asObjects[j].
502 usRecordOffset));
503 ATOM_I2C_RECORD *i2c_record;
504 ATOM_HPD_INT_RECORD *hpd_record;
505 ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
506
507 while (record->ucRecordSize > 0 &&
508 record->ucRecordType > 0 &&
509 record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
510 switch (record->ucRecordType) {
511 case ATOM_I2C_RECORD_TYPE:
512 i2c_record =
513 (ATOM_I2C_RECORD *)
514 record;
515 i2c_config =
516 (ATOM_I2C_ID_CONFIG_ACCESS *)
517 &i2c_record->sucI2cId;
518 ddc_bus = amdgpu_atombios_lookup_i2c_gpio(adev,
519 i2c_config->
520 ucAccess);
521 break;
522 case ATOM_HPD_INT_RECORD_TYPE:
523 hpd_record =
524 (ATOM_HPD_INT_RECORD *)
525 record;
526 gpio = amdgpu_atombios_lookup_gpio(adev,
527 hpd_record->ucHPDIntGPIOID);
528 hpd = amdgpu_atombios_get_hpd_info_from_gpio(adev, &gpio);
529 hpd.plugged_state = hpd_record->ucPlugged_PinState;
530 break;
531 }
532 record =
533 (ATOM_COMMON_RECORD_HEADER
534 *) ((char *)record
535 +
536 record->
537 ucRecordSize);
538 }
539 break;
540 }
541 }
542 }
543
544 /* needed for aux chan transactions */
545 ddc_bus.hpd = hpd.hpd;
546
547 conn_id = le16_to_cpu(path->usConnObjectId);
548
549 amdgpu_display_add_connector(adev,
550 conn_id,
551 le16_to_cpu(path->usDeviceTag),
552 connector_type, &ddc_bus,
553 connector_object_id,
554 &hpd,
555 &router);
556
557 }
558 }
559
560 amdgpu_link_encoder_connector(adev->ddev);
561
562 return true;
563}
564
565union firmware_info {
566 ATOM_FIRMWARE_INFO info;
567 ATOM_FIRMWARE_INFO_V1_2 info_12;
568 ATOM_FIRMWARE_INFO_V1_3 info_13;
569 ATOM_FIRMWARE_INFO_V1_4 info_14;
570 ATOM_FIRMWARE_INFO_V2_1 info_21;
571 ATOM_FIRMWARE_INFO_V2_2 info_22;
572};
573
574int amdgpu_atombios_get_clock_info(struct amdgpu_device *adev)
575{
576 struct amdgpu_mode_info *mode_info = &adev->mode_info;
577 int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
578 uint8_t frev, crev;
579 uint16_t data_offset;
580 int ret = -EINVAL;
581
582 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
583 &frev, &crev, &data_offset)) {
584 int i;
585 struct amdgpu_pll *ppll = &adev->clock.ppll[0];
586 struct amdgpu_pll *spll = &adev->clock.spll;
587 struct amdgpu_pll *mpll = &adev->clock.mpll;
588 union firmware_info *firmware_info =
589 (union firmware_info *)(mode_info->atom_context->bios +
590 data_offset);
591 /* pixel clocks */
592 ppll->reference_freq =
593 le16_to_cpu(firmware_info->info.usReferenceClock);
594 ppll->reference_div = 0;
595
596 ppll->pll_out_min =
597 le32_to_cpu(firmware_info->info_12.ulMinPixelClockPLL_Output);
598 ppll->pll_out_max =
599 le32_to_cpu(firmware_info->info.ulMaxPixelClockPLL_Output);
600
601 ppll->lcd_pll_out_min =
602 le16_to_cpu(firmware_info->info_14.usLcdMinPixelClockPLL_Output) * 100;
603 if (ppll->lcd_pll_out_min == 0)
604 ppll->lcd_pll_out_min = ppll->pll_out_min;
605 ppll->lcd_pll_out_max =
606 le16_to_cpu(firmware_info->info_14.usLcdMaxPixelClockPLL_Output) * 100;
607 if (ppll->lcd_pll_out_max == 0)
608 ppll->lcd_pll_out_max = ppll->pll_out_max;
609
610 if (ppll->pll_out_min == 0)
611 ppll->pll_out_min = 64800;
612
613 ppll->pll_in_min =
614 le16_to_cpu(firmware_info->info.usMinPixelClockPLL_Input);
615 ppll->pll_in_max =
616 le16_to_cpu(firmware_info->info.usMaxPixelClockPLL_Input);
617
618 ppll->min_post_div = 2;
619 ppll->max_post_div = 0x7f;
620 ppll->min_frac_feedback_div = 0;
621 ppll->max_frac_feedback_div = 9;
622 ppll->min_ref_div = 2;
623 ppll->max_ref_div = 0x3ff;
624 ppll->min_feedback_div = 4;
625 ppll->max_feedback_div = 0xfff;
626 ppll->best_vco = 0;
627
628 for (i = 1; i < AMDGPU_MAX_PPLL; i++)
629 adev->clock.ppll[i] = *ppll;
630
631 /* system clock */
632 spll->reference_freq =
633 le16_to_cpu(firmware_info->info_21.usCoreReferenceClock);
634 spll->reference_div = 0;
635
636 spll->pll_out_min =
637 le16_to_cpu(firmware_info->info.usMinEngineClockPLL_Output);
638 spll->pll_out_max =
639 le32_to_cpu(firmware_info->info.ulMaxEngineClockPLL_Output);
640
641 /* ??? */
642 if (spll->pll_out_min == 0)
643 spll->pll_out_min = 64800;
644
645 spll->pll_in_min =
646 le16_to_cpu(firmware_info->info.usMinEngineClockPLL_Input);
647 spll->pll_in_max =
648 le16_to_cpu(firmware_info->info.usMaxEngineClockPLL_Input);
649
650 spll->min_post_div = 1;
651 spll->max_post_div = 1;
652 spll->min_ref_div = 2;
653 spll->max_ref_div = 0xff;
654 spll->min_feedback_div = 4;
655 spll->max_feedback_div = 0xff;
656 spll->best_vco = 0;
657
658 /* memory clock */
659 mpll->reference_freq =
660 le16_to_cpu(firmware_info->info_21.usMemoryReferenceClock);
661 mpll->reference_div = 0;
662
663 mpll->pll_out_min =
664 le16_to_cpu(firmware_info->info.usMinMemoryClockPLL_Output);
665 mpll->pll_out_max =
666 le32_to_cpu(firmware_info->info.ulMaxMemoryClockPLL_Output);
667
668 /* ??? */
669 if (mpll->pll_out_min == 0)
670 mpll->pll_out_min = 64800;
671
672 mpll->pll_in_min =
673 le16_to_cpu(firmware_info->info.usMinMemoryClockPLL_Input);
674 mpll->pll_in_max =
675 le16_to_cpu(firmware_info->info.usMaxMemoryClockPLL_Input);
676
677 adev->clock.default_sclk =
678 le32_to_cpu(firmware_info->info.ulDefaultEngineClock);
679 adev->clock.default_mclk =
680 le32_to_cpu(firmware_info->info.ulDefaultMemoryClock);
681
682 mpll->min_post_div = 1;
683 mpll->max_post_div = 1;
684 mpll->min_ref_div = 2;
685 mpll->max_ref_div = 0xff;
686 mpll->min_feedback_div = 4;
687 mpll->max_feedback_div = 0xff;
688 mpll->best_vco = 0;
689
690 /* disp clock */
691 adev->clock.default_dispclk =
692 le32_to_cpu(firmware_info->info_21.ulDefaultDispEngineClkFreq);
693 /* set a reasonable default for DP */
694 if (adev->clock.default_dispclk < 53900) {
695 DRM_DEBUG("Changing default dispclk from %dMhz to 600Mhz\n",
696 adev->clock.default_dispclk / 100);
697 adev->clock.default_dispclk = 60000;
698 } else if (adev->clock.default_dispclk <= 60000) {
699 DRM_DEBUG("Changing default dispclk from %dMhz to 625Mhz\n",
700 adev->clock.default_dispclk / 100);
701 adev->clock.default_dispclk = 62500;
702 }
703 adev->clock.dp_extclk =
704 le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq);
705 adev->clock.current_dispclk = adev->clock.default_dispclk;
706
707 adev->clock.max_pixel_clock = le16_to_cpu(firmware_info->info.usMaxPixelClock);
708 if (adev->clock.max_pixel_clock == 0)
709 adev->clock.max_pixel_clock = 40000;
710
711 /* not technically a clock, but... */
712 adev->mode_info.firmware_flags =
713 le16_to_cpu(firmware_info->info.usFirmwareCapability.susAccess);
714
715 ret = 0;
716 }
717
718 adev->pm.current_sclk = adev->clock.default_sclk;
719 adev->pm.current_mclk = adev->clock.default_mclk;
720
721 return ret;
722}
723
724union gfx_info {
725 ATOM_GFX_INFO_V2_1 info;
726};
727
728int amdgpu_atombios_get_gfx_info(struct amdgpu_device *adev)
729{
730 struct amdgpu_mode_info *mode_info = &adev->mode_info;
731 int index = GetIndexIntoMasterTable(DATA, GFX_Info);
732 uint8_t frev, crev;
733 uint16_t data_offset;
734 int ret = -EINVAL;
735
736 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
737 &frev, &crev, &data_offset)) {
738 union gfx_info *gfx_info = (union gfx_info *)
739 (mode_info->atom_context->bios + data_offset);
740
741 adev->gfx.config.max_shader_engines = gfx_info->info.max_shader_engines;
742 adev->gfx.config.max_tile_pipes = gfx_info->info.max_tile_pipes;
743 adev->gfx.config.max_cu_per_sh = gfx_info->info.max_cu_per_sh;
744 adev->gfx.config.max_sh_per_se = gfx_info->info.max_sh_per_se;
745 adev->gfx.config.max_backends_per_se = gfx_info->info.max_backends_per_se;
746 adev->gfx.config.max_texture_channel_caches =
747 gfx_info->info.max_texture_channel_caches;
748
749 ret = 0;
750 }
751 return ret;
752}
753
754union igp_info {
755 struct _ATOM_INTEGRATED_SYSTEM_INFO info;
756 struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;
757 struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6;
758 struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7;
759 struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_8 info_8;
760 struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_9 info_9;
761};
762
763/*
764 * Return vram width from integrated system info table, if available,
765 * or 0 if not.
766 */
767int amdgpu_atombios_get_vram_width(struct amdgpu_device *adev)
768{
769 struct amdgpu_mode_info *mode_info = &adev->mode_info;
770 int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
771 u16 data_offset, size;
772 union igp_info *igp_info;
773 u8 frev, crev;
774
775 /* get any igp specific overrides */
776 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, &size,
777 &frev, &crev, &data_offset)) {
778 igp_info = (union igp_info *)
779 (mode_info->atom_context->bios + data_offset);
780 switch (crev) {
781 case 8:
782 case 9:
783 return igp_info->info_8.ucUMAChannelNumber * 64;
784 default:
785 return 0;
786 }
787 }
788
789 return 0;
790}
791
792static void amdgpu_atombios_get_igp_ss_overrides(struct amdgpu_device *adev,
793 struct amdgpu_atom_ss *ss,
794 int id)
795{
796 struct amdgpu_mode_info *mode_info = &adev->mode_info;
797 int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
798 u16 data_offset, size;
799 union igp_info *igp_info;
800 u8 frev, crev;
801 u16 percentage = 0, rate = 0;
802
803 /* get any igp specific overrides */
804 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, &size,
805 &frev, &crev, &data_offset)) {
806 igp_info = (union igp_info *)
807 (mode_info->atom_context->bios + data_offset);
808 switch (crev) {
809 case 6:
810 switch (id) {
811 case ASIC_INTERNAL_SS_ON_TMDS:
812 percentage = le16_to_cpu(igp_info->info_6.usDVISSPercentage);
813 rate = le16_to_cpu(igp_info->info_6.usDVISSpreadRateIn10Hz);
814 break;
815 case ASIC_INTERNAL_SS_ON_HDMI:
816 percentage = le16_to_cpu(igp_info->info_6.usHDMISSPercentage);
817 rate = le16_to_cpu(igp_info->info_6.usHDMISSpreadRateIn10Hz);
818 break;
819 case ASIC_INTERNAL_SS_ON_LVDS:
820 percentage = le16_to_cpu(igp_info->info_6.usLvdsSSPercentage);
821 rate = le16_to_cpu(igp_info->info_6.usLvdsSSpreadRateIn10Hz);
822 break;
823 }
824 break;
825 case 7:
826 switch (id) {
827 case ASIC_INTERNAL_SS_ON_TMDS:
828 percentage = le16_to_cpu(igp_info->info_7.usDVISSPercentage);
829 rate = le16_to_cpu(igp_info->info_7.usDVISSpreadRateIn10Hz);
830 break;
831 case ASIC_INTERNAL_SS_ON_HDMI:
832 percentage = le16_to_cpu(igp_info->info_7.usHDMISSPercentage);
833 rate = le16_to_cpu(igp_info->info_7.usHDMISSpreadRateIn10Hz);
834 break;
835 case ASIC_INTERNAL_SS_ON_LVDS:
836 percentage = le16_to_cpu(igp_info->info_7.usLvdsSSPercentage);
837 rate = le16_to_cpu(igp_info->info_7.usLvdsSSpreadRateIn10Hz);
838 break;
839 }
840 break;
841 case 8:
842 switch (id) {
843 case ASIC_INTERNAL_SS_ON_TMDS:
844 percentage = le16_to_cpu(igp_info->info_8.usDVISSPercentage);
845 rate = le16_to_cpu(igp_info->info_8.usDVISSpreadRateIn10Hz);
846 break;
847 case ASIC_INTERNAL_SS_ON_HDMI:
848 percentage = le16_to_cpu(igp_info->info_8.usHDMISSPercentage);
849 rate = le16_to_cpu(igp_info->info_8.usHDMISSpreadRateIn10Hz);
850 break;
851 case ASIC_INTERNAL_SS_ON_LVDS:
852 percentage = le16_to_cpu(igp_info->info_8.usLvdsSSPercentage);
853 rate = le16_to_cpu(igp_info->info_8.usLvdsSSpreadRateIn10Hz);
854 break;
855 }
856 break;
857 case 9:
858 switch (id) {
859 case ASIC_INTERNAL_SS_ON_TMDS:
860 percentage = le16_to_cpu(igp_info->info_9.usDVISSPercentage);
861 rate = le16_to_cpu(igp_info->info_9.usDVISSpreadRateIn10Hz);
862 break;
863 case ASIC_INTERNAL_SS_ON_HDMI:
864 percentage = le16_to_cpu(igp_info->info_9.usHDMISSPercentage);
865 rate = le16_to_cpu(igp_info->info_9.usHDMISSpreadRateIn10Hz);
866 break;
867 case ASIC_INTERNAL_SS_ON_LVDS:
868 percentage = le16_to_cpu(igp_info->info_9.usLvdsSSPercentage);
869 rate = le16_to_cpu(igp_info->info_9.usLvdsSSpreadRateIn10Hz);
870 break;
871 }
872 break;
873 default:
874 DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
875 break;
876 }
877 if (percentage)
878 ss->percentage = percentage;
879 if (rate)
880 ss->rate = rate;
881 }
882}
883
884union asic_ss_info {
885 struct _ATOM_ASIC_INTERNAL_SS_INFO info;
886 struct _ATOM_ASIC_INTERNAL_SS_INFO_V2 info_2;
887 struct _ATOM_ASIC_INTERNAL_SS_INFO_V3 info_3;
888};
889
890union asic_ss_assignment {
891 struct _ATOM_ASIC_SS_ASSIGNMENT v1;
892 struct _ATOM_ASIC_SS_ASSIGNMENT_V2 v2;
893 struct _ATOM_ASIC_SS_ASSIGNMENT_V3 v3;
894};
895
896bool amdgpu_atombios_get_asic_ss_info(struct amdgpu_device *adev,
897 struct amdgpu_atom_ss *ss,
898 int id, u32 clock)
899{
900 struct amdgpu_mode_info *mode_info = &adev->mode_info;
901 int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
902 uint16_t data_offset, size;
903 union asic_ss_info *ss_info;
904 union asic_ss_assignment *ss_assign;
905 uint8_t frev, crev;
906 int i, num_indices;
907
908 if (id == ASIC_INTERNAL_MEMORY_SS) {
909 if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_MEMORY_CLOCK_SS_SUPPORT))
910 return false;
911 }
912 if (id == ASIC_INTERNAL_ENGINE_SS) {
913 if (!(adev->mode_info.firmware_flags & ATOM_BIOS_INFO_ENGINE_CLOCK_SS_SUPPORT))
914 return false;
915 }
916
917 memset(ss, 0, sizeof(struct amdgpu_atom_ss));
918 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, &size,
919 &frev, &crev, &data_offset)) {
920
921 ss_info =
922 (union asic_ss_info *)(mode_info->atom_context->bios + data_offset);
923
924 switch (frev) {
925 case 1:
926 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
927 sizeof(ATOM_ASIC_SS_ASSIGNMENT);
928
929 ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info.asSpreadSpectrum[0]);
930 for (i = 0; i < num_indices; i++) {
931 if ((ss_assign->v1.ucClockIndication == id) &&
932 (clock <= le32_to_cpu(ss_assign->v1.ulTargetClockRange))) {
933 ss->percentage =
934 le16_to_cpu(ss_assign->v1.usSpreadSpectrumPercentage);
935 ss->type = ss_assign->v1.ucSpreadSpectrumMode;
936 ss->rate = le16_to_cpu(ss_assign->v1.usSpreadRateInKhz);
937 ss->percentage_divider = 100;
938 return true;
939 }
940 ss_assign = (union asic_ss_assignment *)
941 ((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT));
942 }
943 break;
944 case 2:
945 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
946 sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2);
947 ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info_2.asSpreadSpectrum[0]);
948 for (i = 0; i < num_indices; i++) {
949 if ((ss_assign->v2.ucClockIndication == id) &&
950 (clock <= le32_to_cpu(ss_assign->v2.ulTargetClockRange))) {
951 ss->percentage =
952 le16_to_cpu(ss_assign->v2.usSpreadSpectrumPercentage);
953 ss->type = ss_assign->v2.ucSpreadSpectrumMode;
954 ss->rate = le16_to_cpu(ss_assign->v2.usSpreadRateIn10Hz);
955 ss->percentage_divider = 100;
956 if ((crev == 2) &&
957 ((id == ASIC_INTERNAL_ENGINE_SS) ||
958 (id == ASIC_INTERNAL_MEMORY_SS)))
959 ss->rate /= 100;
960 return true;
961 }
962 ss_assign = (union asic_ss_assignment *)
963 ((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2));
964 }
965 break;
966 case 3:
967 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
968 sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3);
969 ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info_3.asSpreadSpectrum[0]);
970 for (i = 0; i < num_indices; i++) {
971 if ((ss_assign->v3.ucClockIndication == id) &&
972 (clock <= le32_to_cpu(ss_assign->v3.ulTargetClockRange))) {
973 ss->percentage =
974 le16_to_cpu(ss_assign->v3.usSpreadSpectrumPercentage);
975 ss->type = ss_assign->v3.ucSpreadSpectrumMode;
976 ss->rate = le16_to_cpu(ss_assign->v3.usSpreadRateIn10Hz);
977 if (ss_assign->v3.ucSpreadSpectrumMode &
978 SS_MODE_V3_PERCENTAGE_DIV_BY_1000_MASK)
979 ss->percentage_divider = 1000;
980 else
981 ss->percentage_divider = 100;
982 if ((id == ASIC_INTERNAL_ENGINE_SS) ||
983 (id == ASIC_INTERNAL_MEMORY_SS))
984 ss->rate /= 100;
985 if (adev->flags & AMD_IS_APU)
986 amdgpu_atombios_get_igp_ss_overrides(adev, ss, id);
987 return true;
988 }
989 ss_assign = (union asic_ss_assignment *)
990 ((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3));
991 }
992 break;
993 default:
994 DRM_ERROR("Unsupported ASIC_InternalSS_Info table: %d %d\n", frev, crev);
995 break;
996 }
997
998 }
999 return false;
1000}
1001
1002union get_clock_dividers {
1003 struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS v1;
1004 struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V2 v2;
1005 struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V3 v3;
1006 struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V4 v4;
1007 struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V5 v5;
1008 struct _COMPUTE_GPU_CLOCK_INPUT_PARAMETERS_V1_6 v6_in;
1009 struct _COMPUTE_GPU_CLOCK_OUTPUT_PARAMETERS_V1_6 v6_out;
1010};
1011
1012int amdgpu_atombios_get_clock_dividers(struct amdgpu_device *adev,
1013 u8 clock_type,
1014 u32 clock,
1015 bool strobe_mode,
1016 struct atom_clock_dividers *dividers)
1017{
1018 union get_clock_dividers args;
1019 int index = GetIndexIntoMasterTable(COMMAND, ComputeMemoryEnginePLL);
1020 u8 frev, crev;
1021
1022 memset(&args, 0, sizeof(args));
1023 memset(dividers, 0, sizeof(struct atom_clock_dividers));
1024
1025 if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
1026 return -EINVAL;
1027
1028 switch (crev) {
1029 case 2:
1030 case 3:
1031 case 5:
1032 /* r6xx, r7xx, evergreen, ni, si.
1033 * TODO: add support for asic_type <= CHIP_RV770*/
1034 if (clock_type == COMPUTE_ENGINE_PLL_PARAM) {
1035 args.v3.ulClockParams = cpu_to_le32((clock_type << 24) | clock);
1036
1037 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1038
1039 dividers->post_div = args.v3.ucPostDiv;
1040 dividers->enable_post_div = (args.v3.ucCntlFlag &
1041 ATOM_PLL_CNTL_FLAG_PLL_POST_DIV_EN) ? true : false;
1042 dividers->enable_dithen = (args.v3.ucCntlFlag &
1043 ATOM_PLL_CNTL_FLAG_FRACTION_DISABLE) ? false : true;
1044 dividers->whole_fb_div = le16_to_cpu(args.v3.ulFbDiv.usFbDiv);
1045 dividers->frac_fb_div = le16_to_cpu(args.v3.ulFbDiv.usFbDivFrac);
1046 dividers->ref_div = args.v3.ucRefDiv;
1047 dividers->vco_mode = (args.v3.ucCntlFlag &
1048 ATOM_PLL_CNTL_FLAG_MPLL_VCO_MODE) ? 1 : 0;
1049 } else {
1050 /* for SI we use ComputeMemoryClockParam for memory plls */
1051 if (adev->asic_type >= CHIP_TAHITI)
1052 return -EINVAL;
1053 args.v5.ulClockParams = cpu_to_le32((clock_type << 24) | clock);
1054 if (strobe_mode)
1055 args.v5.ucInputFlag = ATOM_PLL_INPUT_FLAG_PLL_STROBE_MODE_EN;
1056
1057 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1058
1059 dividers->post_div = args.v5.ucPostDiv;
1060 dividers->enable_post_div = (args.v5.ucCntlFlag &
1061 ATOM_PLL_CNTL_FLAG_PLL_POST_DIV_EN) ? true : false;
1062 dividers->enable_dithen = (args.v5.ucCntlFlag &
1063 ATOM_PLL_CNTL_FLAG_FRACTION_DISABLE) ? false : true;
1064 dividers->whole_fb_div = le16_to_cpu(args.v5.ulFbDiv.usFbDiv);
1065 dividers->frac_fb_div = le16_to_cpu(args.v5.ulFbDiv.usFbDivFrac);
1066 dividers->ref_div = args.v5.ucRefDiv;
1067 dividers->vco_mode = (args.v5.ucCntlFlag &
1068 ATOM_PLL_CNTL_FLAG_MPLL_VCO_MODE) ? 1 : 0;
1069 }
1070 break;
1071 case 4:
1072 /* fusion */
1073 args.v4.ulClock = cpu_to_le32(clock); /* 10 khz */
1074
1075 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1076
1077 dividers->post_divider = dividers->post_div = args.v4.ucPostDiv;
1078 dividers->real_clock = le32_to_cpu(args.v4.ulClock);
1079 break;
1080 case 6:
1081 /* CI */
1082 /* COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK, COMPUTE_GPUCLK_INPUT_FLAG_SCLK */
1083 args.v6_in.ulClock.ulComputeClockFlag = clock_type;
1084 args.v6_in.ulClock.ulClockFreq = cpu_to_le32(clock); /* 10 khz */
1085
1086 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1087
1088 dividers->whole_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDiv);
1089 dividers->frac_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDivFrac);
1090 dividers->ref_div = args.v6_out.ucPllRefDiv;
1091 dividers->post_div = args.v6_out.ucPllPostDiv;
1092 dividers->flags = args.v6_out.ucPllCntlFlag;
1093 dividers->real_clock = le32_to_cpu(args.v6_out.ulClock.ulClock);
1094 dividers->post_divider = args.v6_out.ulClock.ucPostDiv;
1095 break;
1096 default:
1097 return -EINVAL;
1098 }
1099 return 0;
1100}
1101
1102int amdgpu_atombios_get_memory_pll_dividers(struct amdgpu_device *adev,
1103 u32 clock,
1104 bool strobe_mode,
1105 struct atom_mpll_param *mpll_param)
1106{
1107 COMPUTE_MEMORY_CLOCK_PARAM_PARAMETERS_V2_1 args;
1108 int index = GetIndexIntoMasterTable(COMMAND, ComputeMemoryClockParam);
1109 u8 frev, crev;
1110
1111 memset(&args, 0, sizeof(args));
1112 memset(mpll_param, 0, sizeof(struct atom_mpll_param));
1113
1114 if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
1115 return -EINVAL;
1116
1117 switch (frev) {
1118 case 2:
1119 switch (crev) {
1120 case 1:
1121 /* SI */
1122 args.ulClock = cpu_to_le32(clock); /* 10 khz */
1123 args.ucInputFlag = 0;
1124 if (strobe_mode)
1125 args.ucInputFlag |= MPLL_INPUT_FLAG_STROBE_MODE_EN;
1126
1127 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1128
1129 mpll_param->clkfrac = le16_to_cpu(args.ulFbDiv.usFbDivFrac);
1130 mpll_param->clkf = le16_to_cpu(args.ulFbDiv.usFbDiv);
1131 mpll_param->post_div = args.ucPostDiv;
1132 mpll_param->dll_speed = args.ucDllSpeed;
1133 mpll_param->bwcntl = args.ucBWCntl;
1134 mpll_param->vco_mode =
1135 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_VCO_MODE_MASK);
1136 mpll_param->yclk_sel =
1137 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_BYPASS_DQ_PLL) ? 1 : 0;
1138 mpll_param->qdr =
1139 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_QDR_ENABLE) ? 1 : 0;
1140 mpll_param->half_rate =
1141 (args.ucPllCntlFlag & MPLL_CNTL_FLAG_AD_HALF_RATE) ? 1 : 0;
1142 break;
1143 default:
1144 return -EINVAL;
1145 }
1146 break;
1147 default:
1148 return -EINVAL;
1149 }
1150 return 0;
1151}
1152
1153void amdgpu_atombios_set_engine_dram_timings(struct amdgpu_device *adev,
1154 u32 eng_clock, u32 mem_clock)
1155{
1156 SET_ENGINE_CLOCK_PS_ALLOCATION args;
1157 int index = GetIndexIntoMasterTable(COMMAND, DynamicMemorySettings);
1158 u32 tmp;
1159
1160 memset(&args, 0, sizeof(args));
1161
1162 tmp = eng_clock & SET_CLOCK_FREQ_MASK;
1163 tmp |= (COMPUTE_ENGINE_PLL_PARAM << 24);
1164
1165 args.ulTargetEngineClock = cpu_to_le32(tmp);
1166 if (mem_clock)
1167 args.sReserved.ulClock = cpu_to_le32(mem_clock & SET_CLOCK_FREQ_MASK);
1168
1169 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1170}
1171
1172void amdgpu_atombios_get_default_voltages(struct amdgpu_device *adev,
1173 u16 *vddc, u16 *vddci, u16 *mvdd)
1174{
1175 struct amdgpu_mode_info *mode_info = &adev->mode_info;
1176 int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
1177 u8 frev, crev;
1178 u16 data_offset;
1179 union firmware_info *firmware_info;
1180
1181 *vddc = 0;
1182 *vddci = 0;
1183 *mvdd = 0;
1184
1185 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
1186 &frev, &crev, &data_offset)) {
1187 firmware_info =
1188 (union firmware_info *)(mode_info->atom_context->bios +
1189 data_offset);
1190 *vddc = le16_to_cpu(firmware_info->info_14.usBootUpVDDCVoltage);
1191 if ((frev == 2) && (crev >= 2)) {
1192 *vddci = le16_to_cpu(firmware_info->info_22.usBootUpVDDCIVoltage);
1193 *mvdd = le16_to_cpu(firmware_info->info_22.usBootUpMVDDCVoltage);
1194 }
1195 }
1196}
1197
1198union set_voltage {
1199 struct _SET_VOLTAGE_PS_ALLOCATION alloc;
1200 struct _SET_VOLTAGE_PARAMETERS v1;
1201 struct _SET_VOLTAGE_PARAMETERS_V2 v2;
1202 struct _SET_VOLTAGE_PARAMETERS_V1_3 v3;
1203};
1204
1205int amdgpu_atombios_get_max_vddc(struct amdgpu_device *adev, u8 voltage_type,
1206 u16 voltage_id, u16 *voltage)
1207{
1208 union set_voltage args;
1209 int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
1210 u8 frev, crev;
1211
1212 if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
1213 return -EINVAL;
1214
1215 switch (crev) {
1216 case 1:
1217 return -EINVAL;
1218 case 2:
1219 args.v2.ucVoltageType = SET_VOLTAGE_GET_MAX_VOLTAGE;
1220 args.v2.ucVoltageMode = 0;
1221 args.v2.usVoltageLevel = 0;
1222
1223 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1224
1225 *voltage = le16_to_cpu(args.v2.usVoltageLevel);
1226 break;
1227 case 3:
1228 args.v3.ucVoltageType = voltage_type;
1229 args.v3.ucVoltageMode = ATOM_GET_VOLTAGE_LEVEL;
1230 args.v3.usVoltageLevel = cpu_to_le16(voltage_id);
1231
1232 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1233
1234 *voltage = le16_to_cpu(args.v3.usVoltageLevel);
1235 break;
1236 default:
1237 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
1238 return -EINVAL;
1239 }
1240
1241 return 0;
1242}
1243
1244int amdgpu_atombios_get_leakage_vddc_based_on_leakage_idx(struct amdgpu_device *adev,
1245 u16 *voltage,
1246 u16 leakage_idx)
1247{
1248 return amdgpu_atombios_get_max_vddc(adev, VOLTAGE_TYPE_VDDC, leakage_idx, voltage);
1249}
1250
1251int amdgpu_atombios_get_leakage_id_from_vbios(struct amdgpu_device *adev,
1252 u16 *leakage_id)
1253{
1254 union set_voltage args;
1255 int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
1256 u8 frev, crev;
1257
1258 if (!amdgpu_atom_parse_cmd_header(adev->mode_info.atom_context, index, &frev, &crev))
1259 return -EINVAL;
1260
1261 switch (crev) {
1262 case 3:
1263 case 4:
1264 args.v3.ucVoltageType = 0;
1265 args.v3.ucVoltageMode = ATOM_GET_LEAKAGE_ID;
1266 args.v3.usVoltageLevel = 0;
1267
1268 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1269
1270 *leakage_id = le16_to_cpu(args.v3.usVoltageLevel);
1271 break;
1272 default:
1273 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
1274 return -EINVAL;
1275 }
1276
1277 return 0;
1278}
1279
1280int amdgpu_atombios_get_leakage_vddc_based_on_leakage_params(struct amdgpu_device *adev,
1281 u16 *vddc, u16 *vddci,
1282 u16 virtual_voltage_id,
1283 u16 vbios_voltage_id)
1284{
1285 int index = GetIndexIntoMasterTable(DATA, ASIC_ProfilingInfo);
1286 u8 frev, crev;
1287 u16 data_offset, size;
1288 int i, j;
1289 ATOM_ASIC_PROFILING_INFO_V2_1 *profile;
1290 u16 *leakage_bin, *vddc_id_buf, *vddc_buf, *vddci_id_buf, *vddci_buf;
1291
1292 *vddc = 0;
1293 *vddci = 0;
1294
1295 if (!amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
1296 &frev, &crev, &data_offset))
1297 return -EINVAL;
1298
1299 profile = (ATOM_ASIC_PROFILING_INFO_V2_1 *)
1300 (adev->mode_info.atom_context->bios + data_offset);
1301
1302 switch (frev) {
1303 case 1:
1304 return -EINVAL;
1305 case 2:
1306 switch (crev) {
1307 case 1:
1308 if (size < sizeof(ATOM_ASIC_PROFILING_INFO_V2_1))
1309 return -EINVAL;
1310 leakage_bin = (u16 *)
1311 (adev->mode_info.atom_context->bios + data_offset +
1312 le16_to_cpu(profile->usLeakageBinArrayOffset));
1313 vddc_id_buf = (u16 *)
1314 (adev->mode_info.atom_context->bios + data_offset +
1315 le16_to_cpu(profile->usElbVDDC_IdArrayOffset));
1316 vddc_buf = (u16 *)
1317 (adev->mode_info.atom_context->bios + data_offset +
1318 le16_to_cpu(profile->usElbVDDC_LevelArrayOffset));
1319 vddci_id_buf = (u16 *)
1320 (adev->mode_info.atom_context->bios + data_offset +
1321 le16_to_cpu(profile->usElbVDDCI_IdArrayOffset));
1322 vddci_buf = (u16 *)
1323 (adev->mode_info.atom_context->bios + data_offset +
1324 le16_to_cpu(profile->usElbVDDCI_LevelArrayOffset));
1325
1326 if (profile->ucElbVDDC_Num > 0) {
1327 for (i = 0; i < profile->ucElbVDDC_Num; i++) {
1328 if (vddc_id_buf[i] == virtual_voltage_id) {
1329 for (j = 0; j < profile->ucLeakageBinNum; j++) {
1330 if (vbios_voltage_id <= leakage_bin[j]) {
1331 *vddc = vddc_buf[j * profile->ucElbVDDC_Num + i];
1332 break;
1333 }
1334 }
1335 break;
1336 }
1337 }
1338 }
1339 if (profile->ucElbVDDCI_Num > 0) {
1340 for (i = 0; i < profile->ucElbVDDCI_Num; i++) {
1341 if (vddci_id_buf[i] == virtual_voltage_id) {
1342 for (j = 0; j < profile->ucLeakageBinNum; j++) {
1343 if (vbios_voltage_id <= leakage_bin[j]) {
1344 *vddci = vddci_buf[j * profile->ucElbVDDCI_Num + i];
1345 break;
1346 }
1347 }
1348 break;
1349 }
1350 }
1351 }
1352 break;
1353 default:
1354 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
1355 return -EINVAL;
1356 }
1357 break;
1358 default:
1359 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
1360 return -EINVAL;
1361 }
1362
1363 return 0;
1364}
1365
1366union get_voltage_info {
1367 struct _GET_VOLTAGE_INFO_INPUT_PARAMETER_V1_2 in;
1368 struct _GET_EVV_VOLTAGE_INFO_OUTPUT_PARAMETER_V1_2 evv_out;
1369};
1370
1371int amdgpu_atombios_get_voltage_evv(struct amdgpu_device *adev,
1372 u16 virtual_voltage_id,
1373 u16 *voltage)
1374{
1375 int index = GetIndexIntoMasterTable(COMMAND, GetVoltageInfo);
1376 u32 entry_id;
1377 u32 count = adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.count;
1378 union get_voltage_info args;
1379
1380 for (entry_id = 0; entry_id < count; entry_id++) {
1381 if (adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[entry_id].v ==
1382 virtual_voltage_id)
1383 break;
1384 }
1385
1386 if (entry_id >= count)
1387 return -EINVAL;
1388
1389 args.in.ucVoltageType = VOLTAGE_TYPE_VDDC;
1390 args.in.ucVoltageMode = ATOM_GET_VOLTAGE_EVV_VOLTAGE;
1391 args.in.usVoltageLevel = cpu_to_le16(virtual_voltage_id);
1392 args.in.ulSCLKFreq =
1393 cpu_to_le32(adev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[entry_id].clk);
1394
1395 amdgpu_atom_execute_table(adev->mode_info.atom_context, index, (uint32_t *)&args);
1396
1397 *voltage = le16_to_cpu(args.evv_out.usVoltageLevel);
1398
1399 return 0;
1400}
1401
1402union voltage_object_info {
1403 struct _ATOM_VOLTAGE_OBJECT_INFO v1;
1404 struct _ATOM_VOLTAGE_OBJECT_INFO_V2 v2;
1405 struct _ATOM_VOLTAGE_OBJECT_INFO_V3_1 v3;
1406};
1407
1408union voltage_object {
1409 struct _ATOM_VOLTAGE_OBJECT v1;
1410 struct _ATOM_VOLTAGE_OBJECT_V2 v2;
1411 union _ATOM_VOLTAGE_OBJECT_V3 v3;
1412};
1413
1414
1415static ATOM_VOLTAGE_OBJECT_V3 *amdgpu_atombios_lookup_voltage_object_v3(ATOM_VOLTAGE_OBJECT_INFO_V3_1 *v3,
1416 u8 voltage_type, u8 voltage_mode)
1417{
1418 u32 size = le16_to_cpu(v3->sHeader.usStructureSize);
1419 u32 offset = offsetof(ATOM_VOLTAGE_OBJECT_INFO_V3_1, asVoltageObj[0]);
1420 u8 *start = (u8*)v3;
1421
1422 while (offset < size) {
1423 ATOM_VOLTAGE_OBJECT_V3 *vo = (ATOM_VOLTAGE_OBJECT_V3 *)(start + offset);
1424 if ((vo->asGpioVoltageObj.sHeader.ucVoltageType == voltage_type) &&
1425 (vo->asGpioVoltageObj.sHeader.ucVoltageMode == voltage_mode))
1426 return vo;
1427 offset += le16_to_cpu(vo->asGpioVoltageObj.sHeader.usSize);
1428 }
1429 return NULL;
1430}
1431
1432int amdgpu_atombios_get_svi2_info(struct amdgpu_device *adev,
1433 u8 voltage_type,
1434 u8 *svd_gpio_id, u8 *svc_gpio_id)
1435{
1436 int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
1437 u8 frev, crev;
1438 u16 data_offset, size;
1439 union voltage_object_info *voltage_info;
1440 union voltage_object *voltage_object = NULL;
1441
1442 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
1443 &frev, &crev, &data_offset)) {
1444 voltage_info = (union voltage_object_info *)
1445 (adev->mode_info.atom_context->bios + data_offset);
1446
1447 switch (frev) {
1448 case 3:
1449 switch (crev) {
1450 case 1:
1451 voltage_object = (union voltage_object *)
1452 amdgpu_atombios_lookup_voltage_object_v3(&voltage_info->v3,
1453 voltage_type,
1454 VOLTAGE_OBJ_SVID2);
1455 if (voltage_object) {
1456 *svd_gpio_id = voltage_object->v3.asSVID2Obj.ucSVDGpioId;
1457 *svc_gpio_id = voltage_object->v3.asSVID2Obj.ucSVCGpioId;
1458 } else {
1459 return -EINVAL;
1460 }
1461 break;
1462 default:
1463 DRM_ERROR("unknown voltage object table\n");
1464 return -EINVAL;
1465 }
1466 break;
1467 default:
1468 DRM_ERROR("unknown voltage object table\n");
1469 return -EINVAL;
1470 }
1471
1472 }
1473 return 0;
1474}
1475
1476bool
1477amdgpu_atombios_is_voltage_gpio(struct amdgpu_device *adev,
1478 u8 voltage_type, u8 voltage_mode)
1479{
1480 int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
1481 u8 frev, crev;
1482 u16 data_offset, size;
1483 union voltage_object_info *voltage_info;
1484
1485 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
1486 &frev, &crev, &data_offset)) {
1487 voltage_info = (union voltage_object_info *)
1488 (adev->mode_info.atom_context->bios + data_offset);
1489
1490 switch (frev) {
1491 case 3:
1492 switch (crev) {
1493 case 1:
1494 if (amdgpu_atombios_lookup_voltage_object_v3(&voltage_info->v3,
1495 voltage_type, voltage_mode))
1496 return true;
1497 break;
1498 default:
1499 DRM_ERROR("unknown voltage object table\n");
1500 return false;
1501 }
1502 break;
1503 default:
1504 DRM_ERROR("unknown voltage object table\n");
1505 return false;
1506 }
1507
1508 }
1509 return false;
1510}
1511
1512int amdgpu_atombios_get_voltage_table(struct amdgpu_device *adev,
1513 u8 voltage_type, u8 voltage_mode,
1514 struct atom_voltage_table *voltage_table)
1515{
1516 int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
1517 u8 frev, crev;
1518 u16 data_offset, size;
1519 int i;
1520 union voltage_object_info *voltage_info;
1521 union voltage_object *voltage_object = NULL;
1522
1523 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
1524 &frev, &crev, &data_offset)) {
1525 voltage_info = (union voltage_object_info *)
1526 (adev->mode_info.atom_context->bios + data_offset);
1527
1528 switch (frev) {
1529 case 3:
1530 switch (crev) {
1531 case 1:
1532 voltage_object = (union voltage_object *)
1533 amdgpu_atombios_lookup_voltage_object_v3(&voltage_info->v3,
1534 voltage_type, voltage_mode);
1535 if (voltage_object) {
1536 ATOM_GPIO_VOLTAGE_OBJECT_V3 *gpio =
1537 &voltage_object->v3.asGpioVoltageObj;
1538 VOLTAGE_LUT_ENTRY_V2 *lut;
1539 if (gpio->ucGpioEntryNum > MAX_VOLTAGE_ENTRIES)
1540 return -EINVAL;
1541 lut = &gpio->asVolGpioLut[0];
1542 for (i = 0; i < gpio->ucGpioEntryNum; i++) {
1543 voltage_table->entries[i].value =
1544 le16_to_cpu(lut->usVoltageValue);
1545 voltage_table->entries[i].smio_low =
1546 le32_to_cpu(lut->ulVoltageId);
1547 lut = (VOLTAGE_LUT_ENTRY_V2 *)
1548 ((u8 *)lut + sizeof(VOLTAGE_LUT_ENTRY_V2));
1549 }
1550 voltage_table->mask_low = le32_to_cpu(gpio->ulGpioMaskVal);
1551 voltage_table->count = gpio->ucGpioEntryNum;
1552 voltage_table->phase_delay = gpio->ucPhaseDelay;
1553 return 0;
1554 }
1555 break;
1556 default:
1557 DRM_ERROR("unknown voltage object table\n");
1558 return -EINVAL;
1559 }
1560 break;
1561 default:
1562 DRM_ERROR("unknown voltage object table\n");
1563 return -EINVAL;
1564 }
1565 }
1566 return -EINVAL;
1567}
1568
1569union vram_info {
1570 struct _ATOM_VRAM_INFO_V3 v1_3;
1571 struct _ATOM_VRAM_INFO_V4 v1_4;
1572 struct _ATOM_VRAM_INFO_HEADER_V2_1 v2_1;
1573};
1574
1575#define MEM_ID_MASK 0xff000000
1576#define MEM_ID_SHIFT 24
1577#define CLOCK_RANGE_MASK 0x00ffffff
1578#define CLOCK_RANGE_SHIFT 0
1579#define LOW_NIBBLE_MASK 0xf
1580#define DATA_EQU_PREV 0
1581#define DATA_FROM_TABLE 4
1582
1583int amdgpu_atombios_init_mc_reg_table(struct amdgpu_device *adev,
1584 u8 module_index,
1585 struct atom_mc_reg_table *reg_table)
1586{
1587 int index = GetIndexIntoMasterTable(DATA, VRAM_Info);
1588 u8 frev, crev, num_entries, t_mem_id, num_ranges = 0;
1589 u32 i = 0, j;
1590 u16 data_offset, size;
1591 union vram_info *vram_info;
1592
1593 memset(reg_table, 0, sizeof(struct atom_mc_reg_table));
1594
1595 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
1596 &frev, &crev, &data_offset)) {
1597 vram_info = (union vram_info *)
1598 (adev->mode_info.atom_context->bios + data_offset);
1599 switch (frev) {
1600 case 1:
1601 DRM_ERROR("old table version %d, %d\n", frev, crev);
1602 return -EINVAL;
1603 case 2:
1604 switch (crev) {
1605 case 1:
1606 if (module_index < vram_info->v2_1.ucNumOfVRAMModule) {
1607 ATOM_INIT_REG_BLOCK *reg_block =
1608 (ATOM_INIT_REG_BLOCK *)
1609 ((u8 *)vram_info + le16_to_cpu(vram_info->v2_1.usMemClkPatchTblOffset));
1610 ATOM_MEMORY_SETTING_DATA_BLOCK *reg_data =
1611 (ATOM_MEMORY_SETTING_DATA_BLOCK *)
1612 ((u8 *)reg_block + (2 * sizeof(u16)) +
1613 le16_to_cpu(reg_block->usRegIndexTblSize));
1614 ATOM_INIT_REG_INDEX_FORMAT *format = &reg_block->asRegIndexBuf[0];
1615 num_entries = (u8)((le16_to_cpu(reg_block->usRegIndexTblSize)) /
1616 sizeof(ATOM_INIT_REG_INDEX_FORMAT)) - 1;
1617 if (num_entries > VBIOS_MC_REGISTER_ARRAY_SIZE)
1618 return -EINVAL;
1619 while (i < num_entries) {
1620 if (format->ucPreRegDataLength & ACCESS_PLACEHOLDER)
1621 break;
1622 reg_table->mc_reg_address[i].s1 =
1623 (u16)(le16_to_cpu(format->usRegIndex));
1624 reg_table->mc_reg_address[i].pre_reg_data =
1625 (u8)(format->ucPreRegDataLength);
1626 i++;
1627 format = (ATOM_INIT_REG_INDEX_FORMAT *)
1628 ((u8 *)format + sizeof(ATOM_INIT_REG_INDEX_FORMAT));
1629 }
1630 reg_table->last = i;
1631 while ((le32_to_cpu(*(u32 *)reg_data) != END_OF_REG_DATA_BLOCK) &&
1632 (num_ranges < VBIOS_MAX_AC_TIMING_ENTRIES)) {
1633 t_mem_id = (u8)((le32_to_cpu(*(u32 *)reg_data) & MEM_ID_MASK)
1634 >> MEM_ID_SHIFT);
1635 if (module_index == t_mem_id) {
1636 reg_table->mc_reg_table_entry[num_ranges].mclk_max =
1637 (u32)((le32_to_cpu(*(u32 *)reg_data) & CLOCK_RANGE_MASK)
1638 >> CLOCK_RANGE_SHIFT);
1639 for (i = 0, j = 1; i < reg_table->last; i++) {
1640 if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_FROM_TABLE) {
1641 reg_table->mc_reg_table_entry[num_ranges].mc_data[i] =
1642 (u32)le32_to_cpu(*((u32 *)reg_data + j));
1643 j++;
1644 } else if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) {
1645 reg_table->mc_reg_table_entry[num_ranges].mc_data[i] =
1646 reg_table->mc_reg_table_entry[num_ranges].mc_data[i - 1];
1647 }
1648 }
1649 num_ranges++;
1650 }
1651 reg_data = (ATOM_MEMORY_SETTING_DATA_BLOCK *)
1652 ((u8 *)reg_data + le16_to_cpu(reg_block->usRegDataBlkSize));
1653 }
1654 if (le32_to_cpu(*(u32 *)reg_data) != END_OF_REG_DATA_BLOCK)
1655 return -EINVAL;
1656 reg_table->num_entries = num_ranges;
1657 } else
1658 return -EINVAL;
1659 break;
1660 default:
1661 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
1662 return -EINVAL;
1663 }
1664 break;
1665 default:
1666 DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
1667 return -EINVAL;
1668 }
1669 return 0;
1670 }
1671 return -EINVAL;
1672}
1673
1674bool amdgpu_atombios_has_gpu_virtualization_table(struct amdgpu_device *adev)
1675{
1676 int index = GetIndexIntoMasterTable(DATA, GPUVirtualizationInfo);
1677 u8 frev, crev;
1678 u16 data_offset, size;
1679
1680 if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, &size,
1681 &frev, &crev, &data_offset))
1682 return true;
1683
1684 return false;
1685}
1686
1687void amdgpu_atombios_scratch_regs_lock(struct amdgpu_device *adev, bool lock)
1688{
1689 uint32_t bios_6_scratch;
1690
1691 bios_6_scratch = RREG32(adev->bios_scratch_reg_offset + 6);
1692
1693 if (lock) {
1694 bios_6_scratch |= ATOM_S6_CRITICAL_STATE;
1695 bios_6_scratch &= ~ATOM_S6_ACC_MODE;
1696 } else {
1697 bios_6_scratch &= ~ATOM_S6_CRITICAL_STATE;
1698 bios_6_scratch |= ATOM_S6_ACC_MODE;
1699 }
1700
1701 WREG32(adev->bios_scratch_reg_offset + 6, bios_6_scratch);
1702}
1703
1704static void amdgpu_atombios_scratch_regs_init(struct amdgpu_device *adev)
1705{
1706 uint32_t bios_2_scratch, bios_6_scratch;
1707
1708 adev->bios_scratch_reg_offset = mmBIOS_SCRATCH_0;
1709
1710 bios_2_scratch = RREG32(adev->bios_scratch_reg_offset + 2);
1711 bios_6_scratch = RREG32(adev->bios_scratch_reg_offset + 6);
1712
1713 /* let the bios control the backlight */
1714 bios_2_scratch &= ~ATOM_S2_VRI_BRIGHT_ENABLE;
1715
1716 /* tell the bios not to handle mode switching */
1717 bios_6_scratch |= ATOM_S6_ACC_BLOCK_DISPLAY_SWITCH;
1718
1719 /* clear the vbios dpms state */
1720 bios_2_scratch &= ~ATOM_S2_DEVICE_DPMS_STATE;
1721
1722 WREG32(adev->bios_scratch_reg_offset + 2, bios_2_scratch);
1723 WREG32(adev->bios_scratch_reg_offset + 6, bios_6_scratch);
1724}
1725
1726void amdgpu_atombios_scratch_regs_engine_hung(struct amdgpu_device *adev,
1727 bool hung)
1728{
1729 u32 tmp = RREG32(adev->bios_scratch_reg_offset + 3);
1730
1731 if (hung)
1732 tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
1733 else
1734 tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
1735
1736 WREG32(adev->bios_scratch_reg_offset + 3, tmp);
1737}
1738
1739bool amdgpu_atombios_scratch_need_asic_init(struct amdgpu_device *adev)
1740{
1741 u32 tmp = RREG32(adev->bios_scratch_reg_offset + 7);
1742
1743 if (tmp & ATOM_S7_ASIC_INIT_COMPLETE_MASK)
1744 return false;
1745 else
1746 return true;
1747}
1748
1749/* Atom needs data in little endian format so swap as appropriate when copying
1750 * data to or from atom. Note that atom operates on dw units.
1751 *
1752 * Use to_le=true when sending data to atom and provide at least
1753 * ALIGN(num_bytes,4) bytes in the dst buffer.
1754 *
1755 * Use to_le=false when receiving data from atom and provide ALIGN(num_bytes,4)
1756 * byes in the src buffer.
1757 */
1758void amdgpu_atombios_copy_swap(u8 *dst, u8 *src, u8 num_bytes, bool to_le)
1759{
1760#ifdef __BIG_ENDIAN
1761 u32 src_tmp[5], dst_tmp[5];
1762 int i;
1763 u8 align_num_bytes = ALIGN(num_bytes, 4);
1764
1765 if (to_le) {
1766 memcpy(src_tmp, src, num_bytes);
1767 for (i = 0; i < align_num_bytes / 4; i++)
1768 dst_tmp[i] = cpu_to_le32(src_tmp[i]);
1769 memcpy(dst, dst_tmp, align_num_bytes);
1770 } else {
1771 memcpy(src_tmp, src, align_num_bytes);
1772 for (i = 0; i < align_num_bytes / 4; i++)
1773 dst_tmp[i] = le32_to_cpu(src_tmp[i]);
1774 memcpy(dst, dst_tmp, num_bytes);
1775 }
1776#else
1777 memcpy(dst, src, num_bytes);
1778#endif
1779}
1780
1781static int amdgpu_atombios_allocate_fb_scratch(struct amdgpu_device *adev)
1782{
1783 struct atom_context *ctx = adev->mode_info.atom_context;
1784 int index = GetIndexIntoMasterTable(DATA, VRAM_UsageByFirmware);
1785 uint16_t data_offset;
1786 int usage_bytes = 0;
1787 struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage;
1788 u64 start_addr;
1789 u64 size;
1790
1791 if (amdgpu_atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) {
1792 firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset);
1793
1794 DRM_DEBUG("atom firmware requested %08x %dkb\n",
1795 le32_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware),
1796 le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb));
1797
1798 start_addr = firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware;
1799 size = firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb;
1800
1801 if ((uint32_t)(start_addr & ATOM_VRAM_OPERATION_FLAGS_MASK) ==
1802 (uint32_t)(ATOM_VRAM_BLOCK_SRIOV_MSG_SHARE_RESERVATION <<
1803 ATOM_VRAM_OPERATION_FLAGS_SHIFT)) {
1804 /* Firmware request VRAM reservation for SR-IOV */
1805 adev->fw_vram_usage.start_offset = (start_addr &
1806 (~ATOM_VRAM_OPERATION_FLAGS_MASK)) << 10;
1807 adev->fw_vram_usage.size = size << 10;
1808 /* Use the default scratch size */
1809 usage_bytes = 0;
1810 } else {
1811 usage_bytes = le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb) * 1024;
1812 }
1813 }
1814 ctx->scratch_size_bytes = 0;
1815 if (usage_bytes == 0)
1816 usage_bytes = 20 * 1024;
1817 /* allocate some scratch memory */
1818 ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL);
1819 if (!ctx->scratch)
1820 return -ENOMEM;
1821 ctx->scratch_size_bytes = usage_bytes;
1822 return 0;
1823}
1824
1825/* ATOM accessor methods */
1826/*
1827 * ATOM is an interpreted byte code stored in tables in the vbios. The
1828 * driver registers callbacks to access registers and the interpreter
1829 * in the driver parses the tables and executes then to program specific
1830 * actions (set display modes, asic init, etc.). See amdgpu_atombios.c,
1831 * atombios.h, and atom.c
1832 */
1833
1834/**
1835 * cail_pll_read - read PLL register
1836 *
1837 * @info: atom card_info pointer
1838 * @reg: PLL register offset
1839 *
1840 * Provides a PLL register accessor for the atom interpreter (r4xx+).
1841 * Returns the value of the PLL register.
1842 */
1843static uint32_t cail_pll_read(struct card_info *info, uint32_t reg)
1844{
1845 return 0;
1846}
1847
1848/**
1849 * cail_pll_write - write PLL register
1850 *
1851 * @info: atom card_info pointer
1852 * @reg: PLL register offset
1853 * @val: value to write to the pll register
1854 *
1855 * Provides a PLL register accessor for the atom interpreter (r4xx+).
1856 */
1857static void cail_pll_write(struct card_info *info, uint32_t reg, uint32_t val)
1858{
1859
1860}
1861
1862/**
1863 * cail_mc_read - read MC (Memory Controller) register
1864 *
1865 * @info: atom card_info pointer
1866 * @reg: MC register offset
1867 *
1868 * Provides an MC register accessor for the atom interpreter (r4xx+).
1869 * Returns the value of the MC register.
1870 */
1871static uint32_t cail_mc_read(struct card_info *info, uint32_t reg)
1872{
1873 return 0;
1874}
1875
1876/**
1877 * cail_mc_write - write MC (Memory Controller) register
1878 *
1879 * @info: atom card_info pointer
1880 * @reg: MC register offset
1881 * @val: value to write to the pll register
1882 *
1883 * Provides a MC register accessor for the atom interpreter (r4xx+).
1884 */
1885static void cail_mc_write(struct card_info *info, uint32_t reg, uint32_t val)
1886{
1887
1888}
1889
1890/**
1891 * cail_reg_write - write MMIO register
1892 *
1893 * @info: atom card_info pointer
1894 * @reg: MMIO register offset
1895 * @val: value to write to the pll register
1896 *
1897 * Provides a MMIO register accessor for the atom interpreter (r4xx+).
1898 */
1899static void cail_reg_write(struct card_info *info, uint32_t reg, uint32_t val)
1900{
1901 struct amdgpu_device *adev = info->dev->dev_private;
1902
1903 WREG32(reg, val);
1904}
1905
1906/**
1907 * cail_reg_read - read MMIO register
1908 *
1909 * @info: atom card_info pointer
1910 * @reg: MMIO register offset
1911 *
1912 * Provides an MMIO register accessor for the atom interpreter (r4xx+).
1913 * Returns the value of the MMIO register.
1914 */
1915static uint32_t cail_reg_read(struct card_info *info, uint32_t reg)
1916{
1917 struct amdgpu_device *adev = info->dev->dev_private;
1918 uint32_t r;
1919
1920 r = RREG32(reg);
1921 return r;
1922}
1923
1924/**
1925 * cail_ioreg_write - write IO register
1926 *
1927 * @info: atom card_info pointer
1928 * @reg: IO register offset
1929 * @val: value to write to the pll register
1930 *
1931 * Provides a IO register accessor for the atom interpreter (r4xx+).
1932 */
1933static void cail_ioreg_write(struct card_info *info, uint32_t reg, uint32_t val)
1934{
1935 struct amdgpu_device *adev = info->dev->dev_private;
1936
1937 WREG32_IO(reg, val);
1938}
1939
1940/**
1941 * cail_ioreg_read - read IO register
1942 *
1943 * @info: atom card_info pointer
1944 * @reg: IO register offset
1945 *
1946 * Provides an IO register accessor for the atom interpreter (r4xx+).
1947 * Returns the value of the IO register.
1948 */
1949static uint32_t cail_ioreg_read(struct card_info *info, uint32_t reg)
1950{
1951 struct amdgpu_device *adev = info->dev->dev_private;
1952 uint32_t r;
1953
1954 r = RREG32_IO(reg);
1955 return r;
1956}
1957
1958static ssize_t amdgpu_atombios_get_vbios_version(struct device *dev,
1959 struct device_attribute *attr,
1960 char *buf)
1961{
1962 struct drm_device *ddev = dev_get_drvdata(dev);
1963 struct amdgpu_device *adev = ddev->dev_private;
1964 struct atom_context *ctx = adev->mode_info.atom_context;
1965
1966 return snprintf(buf, PAGE_SIZE, "%s\n", ctx->vbios_version);
1967}
1968
1969static DEVICE_ATTR(vbios_version, 0444, amdgpu_atombios_get_vbios_version,
1970 NULL);
1971
1972/**
1973 * amdgpu_atombios_fini - free the driver info and callbacks for atombios
1974 *
1975 * @adev: amdgpu_device pointer
1976 *
1977 * Frees the driver info and register access callbacks for the ATOM
1978 * interpreter (r4xx+).
1979 * Called at driver shutdown.
1980 */
1981void amdgpu_atombios_fini(struct amdgpu_device *adev)
1982{
1983 if (adev->mode_info.atom_context) {
1984 kfree(adev->mode_info.atom_context->scratch);
1985 kfree(adev->mode_info.atom_context->iio);
1986 }
1987 kfree(adev->mode_info.atom_context);
1988 adev->mode_info.atom_context = NULL;
1989 kfree(adev->mode_info.atom_card_info);
1990 adev->mode_info.atom_card_info = NULL;
1991 device_remove_file(adev->dev, &dev_attr_vbios_version);
1992}
1993
1994/**
1995 * amdgpu_atombios_init - init the driver info and callbacks for atombios
1996 *
1997 * @adev: amdgpu_device pointer
1998 *
1999 * Initializes the driver info and register access callbacks for the
2000 * ATOM interpreter (r4xx+).
2001 * Returns 0 on sucess, -ENOMEM on failure.
2002 * Called at driver startup.
2003 */
2004int amdgpu_atombios_init(struct amdgpu_device *adev)
2005{
2006 struct card_info *atom_card_info =
2007 kzalloc(sizeof(struct card_info), GFP_KERNEL);
2008 int ret;
2009
2010 if (!atom_card_info)
2011 return -ENOMEM;
2012
2013 adev->mode_info.atom_card_info = atom_card_info;
2014 atom_card_info->dev = adev->ddev;
2015 atom_card_info->reg_read = cail_reg_read;
2016 atom_card_info->reg_write = cail_reg_write;
2017 /* needed for iio ops */
2018 if (adev->rio_mem) {
2019 atom_card_info->ioreg_read = cail_ioreg_read;
2020 atom_card_info->ioreg_write = cail_ioreg_write;
2021 } else {
2022 DRM_DEBUG("PCI I/O BAR is not found. Using MMIO to access ATOM BIOS\n");
2023 atom_card_info->ioreg_read = cail_reg_read;
2024 atom_card_info->ioreg_write = cail_reg_write;
2025 }
2026 atom_card_info->mc_read = cail_mc_read;
2027 atom_card_info->mc_write = cail_mc_write;
2028 atom_card_info->pll_read = cail_pll_read;
2029 atom_card_info->pll_write = cail_pll_write;
2030
2031 adev->mode_info.atom_context = amdgpu_atom_parse(atom_card_info, adev->bios);
2032 if (!adev->mode_info.atom_context) {
2033 amdgpu_atombios_fini(adev);
2034 return -ENOMEM;
2035 }
2036
2037 mutex_init(&adev->mode_info.atom_context->mutex);
2038 if (adev->is_atom_fw) {
2039 amdgpu_atomfirmware_scratch_regs_init(adev);
2040 amdgpu_atomfirmware_allocate_fb_scratch(adev);
2041 } else {
2042 amdgpu_atombios_scratch_regs_init(adev);
2043 amdgpu_atombios_allocate_fb_scratch(adev);
2044 }
2045
2046 ret = device_create_file(adev->dev, &dev_attr_vbios_version);
2047 if (ret) {
2048 DRM_ERROR("Failed to create device file for VBIOS version\n");
2049 return ret;
2050 }
2051
2052 return 0;
2053}
2054
2055