Merge branch 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[pandora-kernel.git] / drivers / gpu / drm / radeon / radeon_atombios.c
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 "drmP.h"
27 #include "radeon_drm.h"
28 #include "radeon.h"
29
30 #include "atom.h"
31 #include "atom-bits.h"
32
33 /* from radeon_encoder.c */
34 extern uint32_t
35 radeon_get_encoder_id(struct drm_device *dev, uint32_t supported_device,
36                       uint8_t dac);
37 extern void radeon_link_encoder_connector(struct drm_device *dev);
38 extern void
39 radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_id,
40                         uint32_t supported_device);
41
42 /* from radeon_connector.c */
43 extern void
44 radeon_add_atom_connector(struct drm_device *dev,
45                           uint32_t connector_id,
46                           uint32_t supported_device,
47                           int connector_type,
48                           struct radeon_i2c_bus_rec *i2c_bus,
49                           bool linkb, uint32_t igp_lane_info,
50                           uint16_t connector_object_id,
51                           struct radeon_hpd *hpd);
52
53 /* from radeon_legacy_encoder.c */
54 extern void
55 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_id,
56                           uint32_t supported_device);
57
58 union atom_supported_devices {
59         struct _ATOM_SUPPORTED_DEVICES_INFO info;
60         struct _ATOM_SUPPORTED_DEVICES_INFO_2 info_2;
61         struct _ATOM_SUPPORTED_DEVICES_INFO_2d1 info_2d1;
62 };
63
64 static inline struct radeon_i2c_bus_rec radeon_lookup_i2c_gpio(struct radeon_device *rdev,
65                                                                uint8_t id)
66 {
67         struct atom_context *ctx = rdev->mode_info.atom_context;
68         ATOM_GPIO_I2C_ASSIGMENT *gpio;
69         struct radeon_i2c_bus_rec i2c;
70         int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info);
71         struct _ATOM_GPIO_I2C_INFO *i2c_info;
72         uint16_t data_offset, size;
73         int i, num_indices;
74
75         memset(&i2c, 0, sizeof(struct radeon_i2c_bus_rec));
76         i2c.valid = false;
77
78         if (atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
79                 i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
80
81                 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
82                         sizeof(ATOM_GPIO_I2C_ASSIGMENT);
83
84                 for (i = 0; i < num_indices; i++) {
85                         gpio = &i2c_info->asGPIO_Info[i];
86
87                         if (gpio->sucI2cId.ucAccess == id) {
88                                 i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4;
89                                 i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4;
90                                 i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4;
91                                 i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4;
92                                 i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4;
93                                 i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4;
94                                 i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4;
95                                 i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4;
96                                 i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
97                                 i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
98                                 i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
99                                 i2c.en_data_mask = (1 << gpio->ucDataEnShift);
100                                 i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
101                                 i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
102                                 i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
103                                 i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
104
105                                 if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
106                                         i2c.hw_capable = true;
107                                 else
108                                         i2c.hw_capable = false;
109
110                                 if (gpio->sucI2cId.ucAccess == 0xa0)
111                                         i2c.mm_i2c = true;
112                                 else
113                                         i2c.mm_i2c = false;
114
115                                 i2c.i2c_id = gpio->sucI2cId.ucAccess;
116
117                                 i2c.valid = true;
118                                 break;
119                         }
120                 }
121         }
122
123         return i2c;
124 }
125
126 static inline struct radeon_gpio_rec radeon_lookup_gpio(struct radeon_device *rdev,
127                                                         u8 id)
128 {
129         struct atom_context *ctx = rdev->mode_info.atom_context;
130         struct radeon_gpio_rec gpio;
131         int index = GetIndexIntoMasterTable(DATA, GPIO_Pin_LUT);
132         struct _ATOM_GPIO_PIN_LUT *gpio_info;
133         ATOM_GPIO_PIN_ASSIGNMENT *pin;
134         u16 data_offset, size;
135         int i, num_indices;
136
137         memset(&gpio, 0, sizeof(struct radeon_gpio_rec));
138         gpio.valid = false;
139
140         if (atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
141                 gpio_info = (struct _ATOM_GPIO_PIN_LUT *)(ctx->bios + data_offset);
142
143                 num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
144                         sizeof(ATOM_GPIO_PIN_ASSIGNMENT);
145
146                 for (i = 0; i < num_indices; i++) {
147                         pin = &gpio_info->asGPIO_Pin[i];
148                         if (id == pin->ucGPIO_ID) {
149                                 gpio.id = pin->ucGPIO_ID;
150                                 gpio.reg = pin->usGpioPin_AIndex * 4;
151                                 gpio.mask = (1 << pin->ucGpioPinBitShift);
152                                 gpio.valid = true;
153                                 break;
154                         }
155                 }
156         }
157
158         return gpio;
159 }
160
161 static struct radeon_hpd radeon_atom_get_hpd_info_from_gpio(struct radeon_device *rdev,
162                                                             struct radeon_gpio_rec *gpio)
163 {
164         struct radeon_hpd hpd;
165         u32 reg;
166
167         if (ASIC_IS_DCE4(rdev))
168                 reg = EVERGREEN_DC_GPIO_HPD_A;
169         else
170                 reg = AVIVO_DC_GPIO_HPD_A;
171
172         hpd.gpio = *gpio;
173         if (gpio->reg == reg) {
174                 switch(gpio->mask) {
175                 case (1 << 0):
176                         hpd.hpd = RADEON_HPD_1;
177                         break;
178                 case (1 << 8):
179                         hpd.hpd = RADEON_HPD_2;
180                         break;
181                 case (1 << 16):
182                         hpd.hpd = RADEON_HPD_3;
183                         break;
184                 case (1 << 24):
185                         hpd.hpd = RADEON_HPD_4;
186                         break;
187                 case (1 << 26):
188                         hpd.hpd = RADEON_HPD_5;
189                         break;
190                 case (1 << 28):
191                         hpd.hpd = RADEON_HPD_6;
192                         break;
193                 default:
194                         hpd.hpd = RADEON_HPD_NONE;
195                         break;
196                 }
197         } else
198                 hpd.hpd = RADEON_HPD_NONE;
199         return hpd;
200 }
201
202 static bool radeon_atom_apply_quirks(struct drm_device *dev,
203                                      uint32_t supported_device,
204                                      int *connector_type,
205                                      struct radeon_i2c_bus_rec *i2c_bus,
206                                      uint16_t *line_mux,
207                                      struct radeon_hpd *hpd)
208 {
209
210         /* Asus M2A-VM HDMI board lists the DVI port as HDMI */
211         if ((dev->pdev->device == 0x791e) &&
212             (dev->pdev->subsystem_vendor == 0x1043) &&
213             (dev->pdev->subsystem_device == 0x826d)) {
214                 if ((*connector_type == DRM_MODE_CONNECTOR_HDMIA) &&
215                     (supported_device == ATOM_DEVICE_DFP3_SUPPORT))
216                         *connector_type = DRM_MODE_CONNECTOR_DVID;
217         }
218
219         /* Asrock RS600 board lists the DVI port as HDMI */
220         if ((dev->pdev->device == 0x7941) &&
221             (dev->pdev->subsystem_vendor == 0x1849) &&
222             (dev->pdev->subsystem_device == 0x7941)) {
223                 if ((*connector_type == DRM_MODE_CONNECTOR_HDMIA) &&
224                     (supported_device == ATOM_DEVICE_DFP3_SUPPORT))
225                         *connector_type = DRM_MODE_CONNECTOR_DVID;
226         }
227
228         /* a-bit f-i90hd - ciaranm on #radeonhd - this board has no DVI */
229         if ((dev->pdev->device == 0x7941) &&
230             (dev->pdev->subsystem_vendor == 0x147b) &&
231             (dev->pdev->subsystem_device == 0x2412)) {
232                 if (*connector_type == DRM_MODE_CONNECTOR_DVII)
233                         return false;
234         }
235
236         /* Falcon NW laptop lists vga ddc line for LVDS */
237         if ((dev->pdev->device == 0x5653) &&
238             (dev->pdev->subsystem_vendor == 0x1462) &&
239             (dev->pdev->subsystem_device == 0x0291)) {
240                 if (*connector_type == DRM_MODE_CONNECTOR_LVDS) {
241                         i2c_bus->valid = false;
242                         *line_mux = 53;
243                 }
244         }
245
246         /* HIS X1300 is DVI+VGA, not DVI+DVI */
247         if ((dev->pdev->device == 0x7146) &&
248             (dev->pdev->subsystem_vendor == 0x17af) &&
249             (dev->pdev->subsystem_device == 0x2058)) {
250                 if (supported_device == ATOM_DEVICE_DFP1_SUPPORT)
251                         return false;
252         }
253
254         /* Gigabyte X1300 is DVI+VGA, not DVI+DVI */
255         if ((dev->pdev->device == 0x7142) &&
256             (dev->pdev->subsystem_vendor == 0x1458) &&
257             (dev->pdev->subsystem_device == 0x2134)) {
258                 if (supported_device == ATOM_DEVICE_DFP1_SUPPORT)
259                         return false;
260         }
261
262
263         /* Funky macbooks */
264         if ((dev->pdev->device == 0x71C5) &&
265             (dev->pdev->subsystem_vendor == 0x106b) &&
266             (dev->pdev->subsystem_device == 0x0080)) {
267                 if ((supported_device == ATOM_DEVICE_CRT1_SUPPORT) ||
268                     (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
269                         return false;
270                 if (supported_device == ATOM_DEVICE_CRT2_SUPPORT)
271                         *line_mux = 0x90;
272         }
273
274         /* ASUS HD 3600 XT board lists the DVI port as HDMI */
275         if ((dev->pdev->device == 0x9598) &&
276             (dev->pdev->subsystem_vendor == 0x1043) &&
277             (dev->pdev->subsystem_device == 0x01da)) {
278                 if (*connector_type == DRM_MODE_CONNECTOR_HDMIA) {
279                         *connector_type = DRM_MODE_CONNECTOR_DVII;
280                 }
281         }
282
283         /* ASUS HD 3450 board lists the DVI port as HDMI */
284         if ((dev->pdev->device == 0x95C5) &&
285             (dev->pdev->subsystem_vendor == 0x1043) &&
286             (dev->pdev->subsystem_device == 0x01e2)) {
287                 if (*connector_type == DRM_MODE_CONNECTOR_HDMIA) {
288                         *connector_type = DRM_MODE_CONNECTOR_DVII;
289                 }
290         }
291
292         /* some BIOSes seem to report DAC on HDMI - usually this is a board with
293          * HDMI + VGA reporting as HDMI
294          */
295         if (*connector_type == DRM_MODE_CONNECTOR_HDMIA) {
296                 if (supported_device & (ATOM_DEVICE_CRT_SUPPORT)) {
297                         *connector_type = DRM_MODE_CONNECTOR_VGA;
298                         *line_mux = 0;
299                 }
300         }
301
302         /* Acer laptop reports DVI-D as DVI-I */
303         if ((dev->pdev->device == 0x95c4) &&
304             (dev->pdev->subsystem_vendor == 0x1025) &&
305             (dev->pdev->subsystem_device == 0x013c)) {
306                 if ((*connector_type == DRM_MODE_CONNECTOR_DVII) &&
307                     (supported_device == ATOM_DEVICE_DFP1_SUPPORT))
308                         *connector_type = DRM_MODE_CONNECTOR_DVID;
309         }
310
311         /* XFX Pine Group device rv730 reports no VGA DDC lines
312          * even though they are wired up to record 0x93
313          */
314         if ((dev->pdev->device == 0x9498) &&
315             (dev->pdev->subsystem_vendor == 0x1682) &&
316             (dev->pdev->subsystem_device == 0x2452)) {
317                 struct radeon_device *rdev = dev->dev_private;
318                 *i2c_bus = radeon_lookup_i2c_gpio(rdev, 0x93);
319         }
320         return true;
321 }
322
323 const int supported_devices_connector_convert[] = {
324         DRM_MODE_CONNECTOR_Unknown,
325         DRM_MODE_CONNECTOR_VGA,
326         DRM_MODE_CONNECTOR_DVII,
327         DRM_MODE_CONNECTOR_DVID,
328         DRM_MODE_CONNECTOR_DVIA,
329         DRM_MODE_CONNECTOR_SVIDEO,
330         DRM_MODE_CONNECTOR_Composite,
331         DRM_MODE_CONNECTOR_LVDS,
332         DRM_MODE_CONNECTOR_Unknown,
333         DRM_MODE_CONNECTOR_Unknown,
334         DRM_MODE_CONNECTOR_HDMIA,
335         DRM_MODE_CONNECTOR_HDMIB,
336         DRM_MODE_CONNECTOR_Unknown,
337         DRM_MODE_CONNECTOR_Unknown,
338         DRM_MODE_CONNECTOR_9PinDIN,
339         DRM_MODE_CONNECTOR_DisplayPort
340 };
341
342 const uint16_t supported_devices_connector_object_id_convert[] = {
343         CONNECTOR_OBJECT_ID_NONE,
344         CONNECTOR_OBJECT_ID_VGA,
345         CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I, /* not all boards support DL */
346         CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D, /* not all boards support DL */
347         CONNECTOR_OBJECT_ID_VGA, /* technically DVI-A */
348         CONNECTOR_OBJECT_ID_COMPOSITE,
349         CONNECTOR_OBJECT_ID_SVIDEO,
350         CONNECTOR_OBJECT_ID_LVDS,
351         CONNECTOR_OBJECT_ID_9PIN_DIN,
352         CONNECTOR_OBJECT_ID_9PIN_DIN,
353         CONNECTOR_OBJECT_ID_DISPLAYPORT,
354         CONNECTOR_OBJECT_ID_HDMI_TYPE_A,
355         CONNECTOR_OBJECT_ID_HDMI_TYPE_B,
356         CONNECTOR_OBJECT_ID_SVIDEO
357 };
358
359 const int object_connector_convert[] = {
360         DRM_MODE_CONNECTOR_Unknown,
361         DRM_MODE_CONNECTOR_DVII,
362         DRM_MODE_CONNECTOR_DVII,
363         DRM_MODE_CONNECTOR_DVID,
364         DRM_MODE_CONNECTOR_DVID,
365         DRM_MODE_CONNECTOR_VGA,
366         DRM_MODE_CONNECTOR_Composite,
367         DRM_MODE_CONNECTOR_SVIDEO,
368         DRM_MODE_CONNECTOR_Unknown,
369         DRM_MODE_CONNECTOR_Unknown,
370         DRM_MODE_CONNECTOR_9PinDIN,
371         DRM_MODE_CONNECTOR_Unknown,
372         DRM_MODE_CONNECTOR_HDMIA,
373         DRM_MODE_CONNECTOR_HDMIB,
374         DRM_MODE_CONNECTOR_LVDS,
375         DRM_MODE_CONNECTOR_9PinDIN,
376         DRM_MODE_CONNECTOR_Unknown,
377         DRM_MODE_CONNECTOR_Unknown,
378         DRM_MODE_CONNECTOR_Unknown,
379         DRM_MODE_CONNECTOR_DisplayPort,
380         DRM_MODE_CONNECTOR_eDP,
381         DRM_MODE_CONNECTOR_Unknown
382 };
383
384 bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
385 {
386         struct radeon_device *rdev = dev->dev_private;
387         struct radeon_mode_info *mode_info = &rdev->mode_info;
388         struct atom_context *ctx = mode_info->atom_context;
389         int index = GetIndexIntoMasterTable(DATA, Object_Header);
390         u16 size, data_offset;
391         u8 frev, crev;
392         ATOM_CONNECTOR_OBJECT_TABLE *con_obj;
393         ATOM_DISPLAY_OBJECT_PATH_TABLE *path_obj;
394         ATOM_OBJECT_HEADER *obj_header;
395         int i, j, path_size, device_support;
396         int connector_type;
397         u16 igp_lane_info, conn_id, connector_object_id;
398         bool linkb;
399         struct radeon_i2c_bus_rec ddc_bus;
400         struct radeon_gpio_rec gpio;
401         struct radeon_hpd hpd;
402
403         if (!atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset))
404                 return false;
405
406         if (crev < 2)
407                 return false;
408
409         obj_header = (ATOM_OBJECT_HEADER *) (ctx->bios + data_offset);
410         path_obj = (ATOM_DISPLAY_OBJECT_PATH_TABLE *)
411             (ctx->bios + data_offset +
412              le16_to_cpu(obj_header->usDisplayPathTableOffset));
413         con_obj = (ATOM_CONNECTOR_OBJECT_TABLE *)
414             (ctx->bios + data_offset +
415              le16_to_cpu(obj_header->usConnectorObjectTableOffset));
416         device_support = le16_to_cpu(obj_header->usDeviceSupport);
417
418         path_size = 0;
419         for (i = 0; i < path_obj->ucNumOfDispPath; i++) {
420                 uint8_t *addr = (uint8_t *) path_obj->asDispPath;
421                 ATOM_DISPLAY_OBJECT_PATH *path;
422                 addr += path_size;
423                 path = (ATOM_DISPLAY_OBJECT_PATH *) addr;
424                 path_size += le16_to_cpu(path->usSize);
425                 linkb = false;
426                 if (device_support & le16_to_cpu(path->usDeviceTag)) {
427                         uint8_t con_obj_id, con_obj_num, con_obj_type;
428
429                         con_obj_id =
430                             (le16_to_cpu(path->usConnObjectId) & OBJECT_ID_MASK)
431                             >> OBJECT_ID_SHIFT;
432                         con_obj_num =
433                             (le16_to_cpu(path->usConnObjectId) & ENUM_ID_MASK)
434                             >> ENUM_ID_SHIFT;
435                         con_obj_type =
436                             (le16_to_cpu(path->usConnObjectId) &
437                              OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
438
439                         /* TODO CV support */
440                         if (le16_to_cpu(path->usDeviceTag) ==
441                                 ATOM_DEVICE_CV_SUPPORT)
442                                 continue;
443
444                         /* IGP chips */
445                         if ((rdev->flags & RADEON_IS_IGP) &&
446                             (con_obj_id ==
447                              CONNECTOR_OBJECT_ID_PCIE_CONNECTOR)) {
448                                 uint16_t igp_offset = 0;
449                                 ATOM_INTEGRATED_SYSTEM_INFO_V2 *igp_obj;
450
451                                 index =
452                                     GetIndexIntoMasterTable(DATA,
453                                                             IntegratedSystemInfo);
454
455                                 if (atom_parse_data_header(ctx, index, &size, &frev,
456                                                            &crev, &igp_offset)) {
457
458                                         if (crev >= 2) {
459                                                 igp_obj =
460                                                         (ATOM_INTEGRATED_SYSTEM_INFO_V2
461                                                          *) (ctx->bios + igp_offset);
462
463                                                 if (igp_obj) {
464                                                         uint32_t slot_config, ct;
465
466                                                         if (con_obj_num == 1)
467                                                                 slot_config =
468                                                                         igp_obj->
469                                                                         ulDDISlot1Config;
470                                                         else
471                                                                 slot_config =
472                                                                         igp_obj->
473                                                                         ulDDISlot2Config;
474
475                                                         ct = (slot_config >> 16) & 0xff;
476                                                         connector_type =
477                                                                 object_connector_convert
478                                                                 [ct];
479                                                         connector_object_id = ct;
480                                                         igp_lane_info =
481                                                                 slot_config & 0xffff;
482                                                 } else
483                                                         continue;
484                                         } else
485                                                 continue;
486                                 } else {
487                                         igp_lane_info = 0;
488                                         connector_type =
489                                                 object_connector_convert[con_obj_id];
490                                         connector_object_id = con_obj_id;
491                                 }
492                         } else {
493                                 igp_lane_info = 0;
494                                 connector_type =
495                                     object_connector_convert[con_obj_id];
496                                 connector_object_id = con_obj_id;
497                         }
498
499                         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
500                                 continue;
501
502                         for (j = 0; j < ((le16_to_cpu(path->usSize) - 8) / 2);
503                              j++) {
504                                 uint8_t enc_obj_id, enc_obj_num, enc_obj_type;
505
506                                 enc_obj_id =
507                                     (le16_to_cpu(path->usGraphicObjIds[j]) &
508                                      OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
509                                 enc_obj_num =
510                                     (le16_to_cpu(path->usGraphicObjIds[j]) &
511                                      ENUM_ID_MASK) >> ENUM_ID_SHIFT;
512                                 enc_obj_type =
513                                     (le16_to_cpu(path->usGraphicObjIds[j]) &
514                                      OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
515
516                                 /* FIXME: add support for router objects */
517                                 if (enc_obj_type == GRAPH_OBJECT_TYPE_ENCODER) {
518                                         if (enc_obj_num == 2)
519                                                 linkb = true;
520                                         else
521                                                 linkb = false;
522
523                                         radeon_add_atom_encoder(dev,
524                                                                 enc_obj_id,
525                                                                 le16_to_cpu
526                                                                 (path->
527                                                                  usDeviceTag));
528
529                                 }
530                         }
531
532                         /* look up gpio for ddc, hpd */
533                         ddc_bus.valid = false;
534                         hpd.hpd = RADEON_HPD_NONE;
535                         if ((le16_to_cpu(path->usDeviceTag) &
536                              (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) == 0) {
537                                 for (j = 0; j < con_obj->ucNumberOfObjects; j++) {
538                                         if (le16_to_cpu(path->usConnObjectId) ==
539                                             le16_to_cpu(con_obj->asObjects[j].
540                                                         usObjectID)) {
541                                                 ATOM_COMMON_RECORD_HEADER
542                                                     *record =
543                                                     (ATOM_COMMON_RECORD_HEADER
544                                                      *)
545                                                     (ctx->bios + data_offset +
546                                                      le16_to_cpu(con_obj->
547                                                                  asObjects[j].
548                                                                  usRecordOffset));
549                                                 ATOM_I2C_RECORD *i2c_record;
550                                                 ATOM_HPD_INT_RECORD *hpd_record;
551                                                 ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
552
553                                                 while (record->ucRecordType > 0
554                                                        && record->
555                                                        ucRecordType <=
556                                                        ATOM_MAX_OBJECT_RECORD_NUMBER) {
557                                                         switch (record->ucRecordType) {
558                                                         case ATOM_I2C_RECORD_TYPE:
559                                                                 i2c_record =
560                                                                     (ATOM_I2C_RECORD *)
561                                                                         record;
562                                                                 i2c_config =
563                                                                         (ATOM_I2C_ID_CONFIG_ACCESS *)
564                                                                         &i2c_record->sucI2cId;
565                                                                 ddc_bus = radeon_lookup_i2c_gpio(rdev,
566                                                                                                  i2c_config->
567                                                                                                  ucAccess);
568                                                                 break;
569                                                         case ATOM_HPD_INT_RECORD_TYPE:
570                                                                 hpd_record =
571                                                                         (ATOM_HPD_INT_RECORD *)
572                                                                         record;
573                                                                 gpio = radeon_lookup_gpio(rdev,
574                                                                                           hpd_record->ucHPDIntGPIOID);
575                                                                 hpd = radeon_atom_get_hpd_info_from_gpio(rdev, &gpio);
576                                                                 hpd.plugged_state = hpd_record->ucPlugged_PinState;
577                                                                 break;
578                                                         }
579                                                         record =
580                                                             (ATOM_COMMON_RECORD_HEADER
581                                                              *) ((char *)record
582                                                                  +
583                                                                  record->
584                                                                  ucRecordSize);
585                                                 }
586                                                 break;
587                                         }
588                                 }
589                         }
590
591                         /* needed for aux chan transactions */
592                         ddc_bus.hpd = hpd.hpd;
593
594                         conn_id = le16_to_cpu(path->usConnObjectId);
595
596                         if (!radeon_atom_apply_quirks
597                             (dev, le16_to_cpu(path->usDeviceTag), &connector_type,
598                              &ddc_bus, &conn_id, &hpd))
599                                 continue;
600
601                         radeon_add_atom_connector(dev,
602                                                   conn_id,
603                                                   le16_to_cpu(path->
604                                                               usDeviceTag),
605                                                   connector_type, &ddc_bus,
606                                                   linkb, igp_lane_info,
607                                                   connector_object_id,
608                                                   &hpd);
609
610                 }
611         }
612
613         radeon_link_encoder_connector(dev);
614
615         return true;
616 }
617
618 static uint16_t atombios_get_connector_object_id(struct drm_device *dev,
619                                                  int connector_type,
620                                                  uint16_t devices)
621 {
622         struct radeon_device *rdev = dev->dev_private;
623
624         if (rdev->flags & RADEON_IS_IGP) {
625                 return supported_devices_connector_object_id_convert
626                         [connector_type];
627         } else if (((connector_type == DRM_MODE_CONNECTOR_DVII) ||
628                     (connector_type == DRM_MODE_CONNECTOR_DVID)) &&
629                    (devices & ATOM_DEVICE_DFP2_SUPPORT))  {
630                 struct radeon_mode_info *mode_info = &rdev->mode_info;
631                 struct atom_context *ctx = mode_info->atom_context;
632                 int index = GetIndexIntoMasterTable(DATA, XTMDS_Info);
633                 uint16_t size, data_offset;
634                 uint8_t frev, crev;
635                 ATOM_XTMDS_INFO *xtmds;
636
637                 if (atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset)) {
638                         xtmds = (ATOM_XTMDS_INFO *)(ctx->bios + data_offset);
639
640                         if (xtmds->ucSupportedLink & ATOM_XTMDS_SUPPORTED_DUALLINK) {
641                                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
642                                         return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
643                                 else
644                                         return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
645                         } else {
646                                 if (connector_type == DRM_MODE_CONNECTOR_DVII)
647                                         return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
648                                 else
649                                         return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
650                         }
651                 } else
652                         return supported_devices_connector_object_id_convert
653                                 [connector_type];
654         } else {
655                 return supported_devices_connector_object_id_convert
656                         [connector_type];
657         }
658 }
659
660 struct bios_connector {
661         bool valid;
662         uint16_t line_mux;
663         uint16_t devices;
664         int connector_type;
665         struct radeon_i2c_bus_rec ddc_bus;
666         struct radeon_hpd hpd;
667 };
668
669 bool radeon_get_atom_connector_info_from_supported_devices_table(struct
670                                                                  drm_device
671                                                                  *dev)
672 {
673         struct radeon_device *rdev = dev->dev_private;
674         struct radeon_mode_info *mode_info = &rdev->mode_info;
675         struct atom_context *ctx = mode_info->atom_context;
676         int index = GetIndexIntoMasterTable(DATA, SupportedDevicesInfo);
677         uint16_t size, data_offset;
678         uint8_t frev, crev;
679         uint16_t device_support;
680         uint8_t dac;
681         union atom_supported_devices *supported_devices;
682         int i, j, max_device;
683         struct bios_connector *bios_connectors;
684         size_t bc_size = sizeof(*bios_connectors) * ATOM_MAX_SUPPORTED_DEVICE;
685
686         bios_connectors = kzalloc(bc_size, GFP_KERNEL);
687         if (!bios_connectors)
688                 return false;
689
690         if (!atom_parse_data_header(ctx, index, &size, &frev, &crev,
691                                     &data_offset)) {
692                 kfree(bios_connectors);
693                 return false;
694         }
695
696         supported_devices =
697             (union atom_supported_devices *)(ctx->bios + data_offset);
698
699         device_support = le16_to_cpu(supported_devices->info.usDeviceSupport);
700
701         if (frev > 1)
702                 max_device = ATOM_MAX_SUPPORTED_DEVICE;
703         else
704                 max_device = ATOM_MAX_SUPPORTED_DEVICE_INFO;
705
706         for (i = 0; i < max_device; i++) {
707                 ATOM_CONNECTOR_INFO_I2C ci =
708                     supported_devices->info.asConnInfo[i];
709
710                 bios_connectors[i].valid = false;
711
712                 if (!(device_support & (1 << i))) {
713                         continue;
714                 }
715
716                 if (i == ATOM_DEVICE_CV_INDEX) {
717                         DRM_DEBUG("Skipping Component Video\n");
718                         continue;
719                 }
720
721                 bios_connectors[i].connector_type =
722                     supported_devices_connector_convert[ci.sucConnectorInfo.
723                                                         sbfAccess.
724                                                         bfConnectorType];
725
726                 if (bios_connectors[i].connector_type ==
727                     DRM_MODE_CONNECTOR_Unknown)
728                         continue;
729
730                 dac = ci.sucConnectorInfo.sbfAccess.bfAssociatedDAC;
731
732                 bios_connectors[i].line_mux =
733                         ci.sucI2cId.ucAccess;
734
735                 /* give tv unique connector ids */
736                 if (i == ATOM_DEVICE_TV1_INDEX) {
737                         bios_connectors[i].ddc_bus.valid = false;
738                         bios_connectors[i].line_mux = 50;
739                 } else if (i == ATOM_DEVICE_TV2_INDEX) {
740                         bios_connectors[i].ddc_bus.valid = false;
741                         bios_connectors[i].line_mux = 51;
742                 } else if (i == ATOM_DEVICE_CV_INDEX) {
743                         bios_connectors[i].ddc_bus.valid = false;
744                         bios_connectors[i].line_mux = 52;
745                 } else
746                         bios_connectors[i].ddc_bus =
747                             radeon_lookup_i2c_gpio(rdev,
748                                                    bios_connectors[i].line_mux);
749
750                 if ((crev > 1) && (frev > 1)) {
751                         u8 isb = supported_devices->info_2d1.asIntSrcInfo[i].ucIntSrcBitmap;
752                         switch (isb) {
753                         case 0x4:
754                                 bios_connectors[i].hpd.hpd = RADEON_HPD_1;
755                                 break;
756                         case 0xa:
757                                 bios_connectors[i].hpd.hpd = RADEON_HPD_2;
758                                 break;
759                         default:
760                                 bios_connectors[i].hpd.hpd = RADEON_HPD_NONE;
761                                 break;
762                         }
763                 } else {
764                         if (i == ATOM_DEVICE_DFP1_INDEX)
765                                 bios_connectors[i].hpd.hpd = RADEON_HPD_1;
766                         else if (i == ATOM_DEVICE_DFP2_INDEX)
767                                 bios_connectors[i].hpd.hpd = RADEON_HPD_2;
768                         else
769                                 bios_connectors[i].hpd.hpd = RADEON_HPD_NONE;
770                 }
771
772                 /* Always set the connector type to VGA for CRT1/CRT2. if they are
773                  * shared with a DVI port, we'll pick up the DVI connector when we
774                  * merge the outputs.  Some bioses incorrectly list VGA ports as DVI.
775                  */
776                 if (i == ATOM_DEVICE_CRT1_INDEX || i == ATOM_DEVICE_CRT2_INDEX)
777                         bios_connectors[i].connector_type =
778                             DRM_MODE_CONNECTOR_VGA;
779
780                 if (!radeon_atom_apply_quirks
781                     (dev, (1 << i), &bios_connectors[i].connector_type,
782                      &bios_connectors[i].ddc_bus, &bios_connectors[i].line_mux,
783                      &bios_connectors[i].hpd))
784                         continue;
785
786                 bios_connectors[i].valid = true;
787                 bios_connectors[i].devices = (1 << i);
788
789                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom)
790                         radeon_add_atom_encoder(dev,
791                                                 radeon_get_encoder_id(dev,
792                                                                       (1 << i),
793                                                                       dac),
794                                                 (1 << i));
795                 else
796                         radeon_add_legacy_encoder(dev,
797                                                   radeon_get_encoder_id(dev,
798                                                                         (1 << i),
799                                                                         dac),
800                                                   (1 << i));
801         }
802
803         /* combine shared connectors */
804         for (i = 0; i < max_device; i++) {
805                 if (bios_connectors[i].valid) {
806                         for (j = 0; j < max_device; j++) {
807                                 if (bios_connectors[j].valid && (i != j)) {
808                                         if (bios_connectors[i].line_mux ==
809                                             bios_connectors[j].line_mux) {
810                                                 /* make sure not to combine LVDS */
811                                                 if (bios_connectors[i].devices & (ATOM_DEVICE_LCD_SUPPORT)) {
812                                                         bios_connectors[i].line_mux = 53;
813                                                         bios_connectors[i].ddc_bus.valid = false;
814                                                         continue;
815                                                 }
816                                                 if (bios_connectors[j].devices & (ATOM_DEVICE_LCD_SUPPORT)) {
817                                                         bios_connectors[j].line_mux = 53;
818                                                         bios_connectors[j].ddc_bus.valid = false;
819                                                         continue;
820                                                 }
821                                                 /* combine analog and digital for DVI-I */
822                                                 if (((bios_connectors[i].devices & (ATOM_DEVICE_DFP_SUPPORT)) &&
823                                                      (bios_connectors[j].devices & (ATOM_DEVICE_CRT_SUPPORT))) ||
824                                                     ((bios_connectors[j].devices & (ATOM_DEVICE_DFP_SUPPORT)) &&
825                                                      (bios_connectors[i].devices & (ATOM_DEVICE_CRT_SUPPORT)))) {
826                                                         bios_connectors[i].devices |=
827                                                                 bios_connectors[j].devices;
828                                                         bios_connectors[i].connector_type =
829                                                                 DRM_MODE_CONNECTOR_DVII;
830                                                         if (bios_connectors[j].devices & (ATOM_DEVICE_DFP_SUPPORT))
831                                                                 bios_connectors[i].hpd =
832                                                                         bios_connectors[j].hpd;
833                                                         bios_connectors[j].valid = false;
834                                                 }
835                                         }
836                                 }
837                         }
838                 }
839         }
840
841         /* add the connectors */
842         for (i = 0; i < max_device; i++) {
843                 if (bios_connectors[i].valid) {
844                         uint16_t connector_object_id =
845                                 atombios_get_connector_object_id(dev,
846                                                       bios_connectors[i].connector_type,
847                                                       bios_connectors[i].devices);
848                         radeon_add_atom_connector(dev,
849                                                   bios_connectors[i].line_mux,
850                                                   bios_connectors[i].devices,
851                                                   bios_connectors[i].
852                                                   connector_type,
853                                                   &bios_connectors[i].ddc_bus,
854                                                   false, 0,
855                                                   connector_object_id,
856                                                   &bios_connectors[i].hpd);
857                 }
858         }
859
860         radeon_link_encoder_connector(dev);
861
862         kfree(bios_connectors);
863         return true;
864 }
865
866 union firmware_info {
867         ATOM_FIRMWARE_INFO info;
868         ATOM_FIRMWARE_INFO_V1_2 info_12;
869         ATOM_FIRMWARE_INFO_V1_3 info_13;
870         ATOM_FIRMWARE_INFO_V1_4 info_14;
871         ATOM_FIRMWARE_INFO_V2_1 info_21;
872 };
873
874 bool radeon_atom_get_clock_info(struct drm_device *dev)
875 {
876         struct radeon_device *rdev = dev->dev_private;
877         struct radeon_mode_info *mode_info = &rdev->mode_info;
878         int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
879         union firmware_info *firmware_info;
880         uint8_t frev, crev;
881         struct radeon_pll *p1pll = &rdev->clock.p1pll;
882         struct radeon_pll *p2pll = &rdev->clock.p2pll;
883         struct radeon_pll *dcpll = &rdev->clock.dcpll;
884         struct radeon_pll *spll = &rdev->clock.spll;
885         struct radeon_pll *mpll = &rdev->clock.mpll;
886         uint16_t data_offset;
887
888         if (atom_parse_data_header(mode_info->atom_context, index, NULL,
889                                    &frev, &crev, &data_offset)) {
890                 firmware_info =
891                         (union firmware_info *)(mode_info->atom_context->bios +
892                                                 data_offset);
893                 /* pixel clocks */
894                 p1pll->reference_freq =
895                     le16_to_cpu(firmware_info->info.usReferenceClock);
896                 p1pll->reference_div = 0;
897
898                 if (crev < 2)
899                         p1pll->pll_out_min =
900                                 le16_to_cpu(firmware_info->info.usMinPixelClockPLL_Output);
901                 else
902                         p1pll->pll_out_min =
903                                 le32_to_cpu(firmware_info->info_12.ulMinPixelClockPLL_Output);
904                 p1pll->pll_out_max =
905                     le32_to_cpu(firmware_info->info.ulMaxPixelClockPLL_Output);
906
907                 if (crev >= 4) {
908                         p1pll->lcd_pll_out_min =
909                                 le16_to_cpu(firmware_info->info_14.usLcdMinPixelClockPLL_Output) * 100;
910                         if (p1pll->lcd_pll_out_min == 0)
911                                 p1pll->lcd_pll_out_min = p1pll->pll_out_min;
912                         p1pll->lcd_pll_out_max =
913                                 le16_to_cpu(firmware_info->info_14.usLcdMaxPixelClockPLL_Output) * 100;
914                         if (p1pll->lcd_pll_out_max == 0)
915                                 p1pll->lcd_pll_out_max = p1pll->pll_out_max;
916                 } else {
917                         p1pll->lcd_pll_out_min = p1pll->pll_out_min;
918                         p1pll->lcd_pll_out_max = p1pll->pll_out_max;
919                 }
920
921                 if (p1pll->pll_out_min == 0) {
922                         if (ASIC_IS_AVIVO(rdev))
923                                 p1pll->pll_out_min = 64800;
924                         else
925                                 p1pll->pll_out_min = 20000;
926                 } else if (p1pll->pll_out_min > 64800) {
927                         /* Limiting the pll output range is a good thing generally as
928                          * it limits the number of possible pll combinations for a given
929                          * frequency presumably to the ones that work best on each card.
930                          * However, certain duallink DVI monitors seem to like
931                          * pll combinations that would be limited by this at least on
932                          * pre-DCE 3.0 r6xx hardware.  This might need to be adjusted per
933                          * family.
934                          */
935                         if (!radeon_new_pll)
936                                 p1pll->pll_out_min = 64800;
937                 }
938
939                 p1pll->pll_in_min =
940                     le16_to_cpu(firmware_info->info.usMinPixelClockPLL_Input);
941                 p1pll->pll_in_max =
942                     le16_to_cpu(firmware_info->info.usMaxPixelClockPLL_Input);
943
944                 *p2pll = *p1pll;
945
946                 /* system clock */
947                 spll->reference_freq =
948                     le16_to_cpu(firmware_info->info.usReferenceClock);
949                 spll->reference_div = 0;
950
951                 spll->pll_out_min =
952                     le16_to_cpu(firmware_info->info.usMinEngineClockPLL_Output);
953                 spll->pll_out_max =
954                     le32_to_cpu(firmware_info->info.ulMaxEngineClockPLL_Output);
955
956                 /* ??? */
957                 if (spll->pll_out_min == 0) {
958                         if (ASIC_IS_AVIVO(rdev))
959                                 spll->pll_out_min = 64800;
960                         else
961                                 spll->pll_out_min = 20000;
962                 }
963
964                 spll->pll_in_min =
965                     le16_to_cpu(firmware_info->info.usMinEngineClockPLL_Input);
966                 spll->pll_in_max =
967                     le16_to_cpu(firmware_info->info.usMaxEngineClockPLL_Input);
968
969                 /* memory clock */
970                 mpll->reference_freq =
971                     le16_to_cpu(firmware_info->info.usReferenceClock);
972                 mpll->reference_div = 0;
973
974                 mpll->pll_out_min =
975                     le16_to_cpu(firmware_info->info.usMinMemoryClockPLL_Output);
976                 mpll->pll_out_max =
977                     le32_to_cpu(firmware_info->info.ulMaxMemoryClockPLL_Output);
978
979                 /* ??? */
980                 if (mpll->pll_out_min == 0) {
981                         if (ASIC_IS_AVIVO(rdev))
982                                 mpll->pll_out_min = 64800;
983                         else
984                                 mpll->pll_out_min = 20000;
985                 }
986
987                 mpll->pll_in_min =
988                     le16_to_cpu(firmware_info->info.usMinMemoryClockPLL_Input);
989                 mpll->pll_in_max =
990                     le16_to_cpu(firmware_info->info.usMaxMemoryClockPLL_Input);
991
992                 rdev->clock.default_sclk =
993                     le32_to_cpu(firmware_info->info.ulDefaultEngineClock);
994                 rdev->clock.default_mclk =
995                     le32_to_cpu(firmware_info->info.ulDefaultMemoryClock);
996
997                 if (ASIC_IS_DCE4(rdev)) {
998                         rdev->clock.default_dispclk =
999                                 le32_to_cpu(firmware_info->info_21.ulDefaultDispEngineClkFreq);
1000                         if (rdev->clock.default_dispclk == 0)
1001                                 rdev->clock.default_dispclk = 60000; /* 600 Mhz */
1002                         rdev->clock.dp_extclk =
1003                                 le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq);
1004                 }
1005                 *dcpll = *p1pll;
1006
1007                 return true;
1008         }
1009
1010         return false;
1011 }
1012
1013 union igp_info {
1014         struct _ATOM_INTEGRATED_SYSTEM_INFO info;
1015         struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;
1016 };
1017
1018 bool radeon_atombios_sideport_present(struct radeon_device *rdev)
1019 {
1020         struct radeon_mode_info *mode_info = &rdev->mode_info;
1021         int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
1022         union igp_info *igp_info;
1023         u8 frev, crev;
1024         u16 data_offset;
1025
1026         if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1027                                    &frev, &crev, &data_offset)) {
1028                 igp_info = (union igp_info *)(mode_info->atom_context->bios +
1029                                       data_offset);
1030                 switch (crev) {
1031                 case 1:
1032                         if (igp_info->info.ucMemoryType & 0xf0)
1033                                 return true;
1034                         break;
1035                 case 2:
1036                         if (igp_info->info_2.ucMemoryType & 0x0f)
1037                                 return true;
1038                         break;
1039                 default:
1040                         DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
1041                         break;
1042                 }
1043         }
1044         return false;
1045 }
1046
1047 bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
1048                                    struct radeon_encoder_int_tmds *tmds)
1049 {
1050         struct drm_device *dev = encoder->base.dev;
1051         struct radeon_device *rdev = dev->dev_private;
1052         struct radeon_mode_info *mode_info = &rdev->mode_info;
1053         int index = GetIndexIntoMasterTable(DATA, TMDS_Info);
1054         uint16_t data_offset;
1055         struct _ATOM_TMDS_INFO *tmds_info;
1056         uint8_t frev, crev;
1057         uint16_t maxfreq;
1058         int i;
1059
1060         if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1061                                    &frev, &crev, &data_offset)) {
1062                 tmds_info =
1063                         (struct _ATOM_TMDS_INFO *)(mode_info->atom_context->bios +
1064                                                    data_offset);
1065
1066                 maxfreq = le16_to_cpu(tmds_info->usMaxFrequency);
1067                 for (i = 0; i < 4; i++) {
1068                         tmds->tmds_pll[i].freq =
1069                             le16_to_cpu(tmds_info->asMiscInfo[i].usFrequency);
1070                         tmds->tmds_pll[i].value =
1071                             tmds_info->asMiscInfo[i].ucPLL_ChargePump & 0x3f;
1072                         tmds->tmds_pll[i].value |=
1073                             (tmds_info->asMiscInfo[i].
1074                              ucPLL_VCO_Gain & 0x3f) << 6;
1075                         tmds->tmds_pll[i].value |=
1076                             (tmds_info->asMiscInfo[i].
1077                              ucPLL_DutyCycle & 0xf) << 12;
1078                         tmds->tmds_pll[i].value |=
1079                             (tmds_info->asMiscInfo[i].
1080                              ucPLL_VoltageSwing & 0xf) << 16;
1081
1082                         DRM_DEBUG("TMDS PLL From ATOMBIOS %u %x\n",
1083                                   tmds->tmds_pll[i].freq,
1084                                   tmds->tmds_pll[i].value);
1085
1086                         if (maxfreq == tmds->tmds_pll[i].freq) {
1087                                 tmds->tmds_pll[i].freq = 0xffffffff;
1088                                 break;
1089                         }
1090                 }
1091                 return true;
1092         }
1093         return false;
1094 }
1095
1096 static struct radeon_atom_ss *radeon_atombios_get_ss_info(struct
1097                                                           radeon_encoder
1098                                                           *encoder,
1099                                                           int id)
1100 {
1101         struct drm_device *dev = encoder->base.dev;
1102         struct radeon_device *rdev = dev->dev_private;
1103         struct radeon_mode_info *mode_info = &rdev->mode_info;
1104         int index = GetIndexIntoMasterTable(DATA, PPLL_SS_Info);
1105         uint16_t data_offset;
1106         struct _ATOM_SPREAD_SPECTRUM_INFO *ss_info;
1107         uint8_t frev, crev;
1108         struct radeon_atom_ss *ss = NULL;
1109         int i;
1110
1111         if (id > ATOM_MAX_SS_ENTRY)
1112                 return NULL;
1113
1114         if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1115                                    &frev, &crev, &data_offset)) {
1116                 ss_info =
1117                         (struct _ATOM_SPREAD_SPECTRUM_INFO *)(mode_info->atom_context->bios + data_offset);
1118
1119                 ss =
1120                     kzalloc(sizeof(struct radeon_atom_ss), GFP_KERNEL);
1121
1122                 if (!ss)
1123                         return NULL;
1124
1125                 for (i = 0; i < ATOM_MAX_SS_ENTRY; i++) {
1126                         if (ss_info->asSS_Info[i].ucSS_Id == id) {
1127                                 ss->percentage =
1128                                         le16_to_cpu(ss_info->asSS_Info[i].usSpreadSpectrumPercentage);
1129                                 ss->type = ss_info->asSS_Info[i].ucSpreadSpectrumType;
1130                                 ss->step = ss_info->asSS_Info[i].ucSS_Step;
1131                                 ss->delay = ss_info->asSS_Info[i].ucSS_Delay;
1132                                 ss->range = ss_info->asSS_Info[i].ucSS_Range;
1133                                 ss->refdiv = ss_info->asSS_Info[i].ucRecommendedRef_Div;
1134                                 break;
1135                         }
1136                 }
1137         }
1138         return ss;
1139 }
1140
1141 union lvds_info {
1142         struct _ATOM_LVDS_INFO info;
1143         struct _ATOM_LVDS_INFO_V12 info_12;
1144 };
1145
1146 struct radeon_encoder_atom_dig *radeon_atombios_get_lvds_info(struct
1147                                                               radeon_encoder
1148                                                               *encoder)
1149 {
1150         struct drm_device *dev = encoder->base.dev;
1151         struct radeon_device *rdev = dev->dev_private;
1152         struct radeon_mode_info *mode_info = &rdev->mode_info;
1153         int index = GetIndexIntoMasterTable(DATA, LVDS_Info);
1154         uint16_t data_offset, misc;
1155         union lvds_info *lvds_info;
1156         uint8_t frev, crev;
1157         struct radeon_encoder_atom_dig *lvds = NULL;
1158
1159         if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1160                                    &frev, &crev, &data_offset)) {
1161                 lvds_info =
1162                         (union lvds_info *)(mode_info->atom_context->bios + data_offset);
1163                 lvds =
1164                     kzalloc(sizeof(struct radeon_encoder_atom_dig), GFP_KERNEL);
1165
1166                 if (!lvds)
1167                         return NULL;
1168
1169                 lvds->native_mode.clock =
1170                     le16_to_cpu(lvds_info->info.sLCDTiming.usPixClk) * 10;
1171                 lvds->native_mode.hdisplay =
1172                     le16_to_cpu(lvds_info->info.sLCDTiming.usHActive);
1173                 lvds->native_mode.vdisplay =
1174                     le16_to_cpu(lvds_info->info.sLCDTiming.usVActive);
1175                 lvds->native_mode.htotal = lvds->native_mode.hdisplay +
1176                         le16_to_cpu(lvds_info->info.sLCDTiming.usHBlanking_Time);
1177                 lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
1178                         le16_to_cpu(lvds_info->info.sLCDTiming.usHSyncOffset);
1179                 lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
1180                         le16_to_cpu(lvds_info->info.sLCDTiming.usHSyncWidth);
1181                 lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
1182                         le16_to_cpu(lvds_info->info.sLCDTiming.usVBlanking_Time);
1183                 lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
1184                         le16_to_cpu(lvds_info->info.sLCDTiming.usVSyncOffset);
1185                 lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
1186                         le16_to_cpu(lvds_info->info.sLCDTiming.usVSyncWidth);
1187                 lvds->panel_pwr_delay =
1188                     le16_to_cpu(lvds_info->info.usOffDelayInMs);
1189                 lvds->lvds_misc = lvds_info->info.ucLVDS_Misc;
1190
1191                 misc = le16_to_cpu(lvds_info->info.sLCDTiming.susModeMiscInfo.usAccess);
1192                 if (misc & ATOM_VSYNC_POLARITY)
1193                         lvds->native_mode.flags |= DRM_MODE_FLAG_NVSYNC;
1194                 if (misc & ATOM_HSYNC_POLARITY)
1195                         lvds->native_mode.flags |= DRM_MODE_FLAG_NHSYNC;
1196                 if (misc & ATOM_COMPOSITESYNC)
1197                         lvds->native_mode.flags |= DRM_MODE_FLAG_CSYNC;
1198                 if (misc & ATOM_INTERLACE)
1199                         lvds->native_mode.flags |= DRM_MODE_FLAG_INTERLACE;
1200                 if (misc & ATOM_DOUBLE_CLOCK_MODE)
1201                         lvds->native_mode.flags |= DRM_MODE_FLAG_DBLSCAN;
1202
1203                 /* set crtc values */
1204                 drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
1205
1206                 lvds->ss = radeon_atombios_get_ss_info(encoder, lvds_info->info.ucSS_Id);
1207
1208                 if (ASIC_IS_AVIVO(rdev)) {
1209                         if (radeon_new_pll == 0)
1210                                 lvds->pll_algo = PLL_ALGO_LEGACY;
1211                         else
1212                                 lvds->pll_algo = PLL_ALGO_NEW;
1213                 } else {
1214                         if (radeon_new_pll == 1)
1215                                 lvds->pll_algo = PLL_ALGO_NEW;
1216                         else
1217                                 lvds->pll_algo = PLL_ALGO_LEGACY;
1218                 }
1219
1220                 encoder->native_mode = lvds->native_mode;
1221         }
1222         return lvds;
1223 }
1224
1225 struct radeon_encoder_primary_dac *
1226 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder)
1227 {
1228         struct drm_device *dev = encoder->base.dev;
1229         struct radeon_device *rdev = dev->dev_private;
1230         struct radeon_mode_info *mode_info = &rdev->mode_info;
1231         int index = GetIndexIntoMasterTable(DATA, CompassionateData);
1232         uint16_t data_offset;
1233         struct _COMPASSIONATE_DATA *dac_info;
1234         uint8_t frev, crev;
1235         uint8_t bg, dac;
1236         struct radeon_encoder_primary_dac *p_dac = NULL;
1237
1238         if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1239                                    &frev, &crev, &data_offset)) {
1240                 dac_info = (struct _COMPASSIONATE_DATA *)
1241                         (mode_info->atom_context->bios + data_offset);
1242
1243                 p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac), GFP_KERNEL);
1244
1245                 if (!p_dac)
1246                         return NULL;
1247
1248                 bg = dac_info->ucDAC1_BG_Adjustment;
1249                 dac = dac_info->ucDAC1_DAC_Adjustment;
1250                 p_dac->ps2_pdac_adj = (bg << 8) | (dac);
1251
1252         }
1253         return p_dac;
1254 }
1255
1256 bool radeon_atom_get_tv_timings(struct radeon_device *rdev, int index,
1257                                 struct drm_display_mode *mode)
1258 {
1259         struct radeon_mode_info *mode_info = &rdev->mode_info;
1260         ATOM_ANALOG_TV_INFO *tv_info;
1261         ATOM_ANALOG_TV_INFO_V1_2 *tv_info_v1_2;
1262         ATOM_DTD_FORMAT *dtd_timings;
1263         int data_index = GetIndexIntoMasterTable(DATA, AnalogTV_Info);
1264         u8 frev, crev;
1265         u16 data_offset, misc;
1266
1267         if (!atom_parse_data_header(mode_info->atom_context, data_index, NULL,
1268                                     &frev, &crev, &data_offset))
1269                 return false;
1270
1271         switch (crev) {
1272         case 1:
1273                 tv_info = (ATOM_ANALOG_TV_INFO *)(mode_info->atom_context->bios + data_offset);
1274                 if (index >= MAX_SUPPORTED_TV_TIMING)
1275                         return false;
1276
1277                 mode->crtc_htotal = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_Total);
1278                 mode->crtc_hdisplay = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_Disp);
1279                 mode->crtc_hsync_start = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_SyncStart);
1280                 mode->crtc_hsync_end = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_SyncStart) +
1281                         le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_SyncWidth);
1282
1283                 mode->crtc_vtotal = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_Total);
1284                 mode->crtc_vdisplay = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_Disp);
1285                 mode->crtc_vsync_start = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_SyncStart);
1286                 mode->crtc_vsync_end = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_SyncStart) +
1287                         le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_SyncWidth);
1288
1289                 mode->flags = 0;
1290                 misc = le16_to_cpu(tv_info->aModeTimings[index].susModeMiscInfo.usAccess);
1291                 if (misc & ATOM_VSYNC_POLARITY)
1292                         mode->flags |= DRM_MODE_FLAG_NVSYNC;
1293                 if (misc & ATOM_HSYNC_POLARITY)
1294                         mode->flags |= DRM_MODE_FLAG_NHSYNC;
1295                 if (misc & ATOM_COMPOSITESYNC)
1296                         mode->flags |= DRM_MODE_FLAG_CSYNC;
1297                 if (misc & ATOM_INTERLACE)
1298                         mode->flags |= DRM_MODE_FLAG_INTERLACE;
1299                 if (misc & ATOM_DOUBLE_CLOCK_MODE)
1300                         mode->flags |= DRM_MODE_FLAG_DBLSCAN;
1301
1302                 mode->clock = le16_to_cpu(tv_info->aModeTimings[index].usPixelClock) * 10;
1303
1304                 if (index == 1) {
1305                         /* PAL timings appear to have wrong values for totals */
1306                         mode->crtc_htotal -= 1;
1307                         mode->crtc_vtotal -= 1;
1308                 }
1309                 break;
1310         case 2:
1311                 tv_info_v1_2 = (ATOM_ANALOG_TV_INFO_V1_2 *)(mode_info->atom_context->bios + data_offset);
1312                 if (index >= MAX_SUPPORTED_TV_TIMING_V1_2)
1313                         return false;
1314
1315                 dtd_timings = &tv_info_v1_2->aModeTimings[index];
1316                 mode->crtc_htotal = le16_to_cpu(dtd_timings->usHActive) +
1317                         le16_to_cpu(dtd_timings->usHBlanking_Time);
1318                 mode->crtc_hdisplay = le16_to_cpu(dtd_timings->usHActive);
1319                 mode->crtc_hsync_start = le16_to_cpu(dtd_timings->usHActive) +
1320                         le16_to_cpu(dtd_timings->usHSyncOffset);
1321                 mode->crtc_hsync_end = mode->crtc_hsync_start +
1322                         le16_to_cpu(dtd_timings->usHSyncWidth);
1323
1324                 mode->crtc_vtotal = le16_to_cpu(dtd_timings->usVActive) +
1325                         le16_to_cpu(dtd_timings->usVBlanking_Time);
1326                 mode->crtc_vdisplay = le16_to_cpu(dtd_timings->usVActive);
1327                 mode->crtc_vsync_start = le16_to_cpu(dtd_timings->usVActive) +
1328                         le16_to_cpu(dtd_timings->usVSyncOffset);
1329                 mode->crtc_vsync_end = mode->crtc_vsync_start +
1330                         le16_to_cpu(dtd_timings->usVSyncWidth);
1331
1332                 mode->flags = 0;
1333                 misc = le16_to_cpu(dtd_timings->susModeMiscInfo.usAccess);
1334                 if (misc & ATOM_VSYNC_POLARITY)
1335                         mode->flags |= DRM_MODE_FLAG_NVSYNC;
1336                 if (misc & ATOM_HSYNC_POLARITY)
1337                         mode->flags |= DRM_MODE_FLAG_NHSYNC;
1338                 if (misc & ATOM_COMPOSITESYNC)
1339                         mode->flags |= DRM_MODE_FLAG_CSYNC;
1340                 if (misc & ATOM_INTERLACE)
1341                         mode->flags |= DRM_MODE_FLAG_INTERLACE;
1342                 if (misc & ATOM_DOUBLE_CLOCK_MODE)
1343                         mode->flags |= DRM_MODE_FLAG_DBLSCAN;
1344
1345                 mode->clock = le16_to_cpu(dtd_timings->usPixClk) * 10;
1346                 break;
1347         }
1348         return true;
1349 }
1350
1351 enum radeon_tv_std
1352 radeon_atombios_get_tv_info(struct radeon_device *rdev)
1353 {
1354         struct radeon_mode_info *mode_info = &rdev->mode_info;
1355         int index = GetIndexIntoMasterTable(DATA, AnalogTV_Info);
1356         uint16_t data_offset;
1357         uint8_t frev, crev;
1358         struct _ATOM_ANALOG_TV_INFO *tv_info;
1359         enum radeon_tv_std tv_std = TV_STD_NTSC;
1360
1361         if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1362                                    &frev, &crev, &data_offset)) {
1363
1364                 tv_info = (struct _ATOM_ANALOG_TV_INFO *)
1365                         (mode_info->atom_context->bios + data_offset);
1366
1367                 switch (tv_info->ucTV_BootUpDefaultStandard) {
1368                 case ATOM_TV_NTSC:
1369                         tv_std = TV_STD_NTSC;
1370                         DRM_INFO("Default TV standard: NTSC\n");
1371                         break;
1372                 case ATOM_TV_NTSCJ:
1373                         tv_std = TV_STD_NTSC_J;
1374                         DRM_INFO("Default TV standard: NTSC-J\n");
1375                         break;
1376                 case ATOM_TV_PAL:
1377                         tv_std = TV_STD_PAL;
1378                         DRM_INFO("Default TV standard: PAL\n");
1379                         break;
1380                 case ATOM_TV_PALM:
1381                         tv_std = TV_STD_PAL_M;
1382                         DRM_INFO("Default TV standard: PAL-M\n");
1383                         break;
1384                 case ATOM_TV_PALN:
1385                         tv_std = TV_STD_PAL_N;
1386                         DRM_INFO("Default TV standard: PAL-N\n");
1387                         break;
1388                 case ATOM_TV_PALCN:
1389                         tv_std = TV_STD_PAL_CN;
1390                         DRM_INFO("Default TV standard: PAL-CN\n");
1391                         break;
1392                 case ATOM_TV_PAL60:
1393                         tv_std = TV_STD_PAL_60;
1394                         DRM_INFO("Default TV standard: PAL-60\n");
1395                         break;
1396                 case ATOM_TV_SECAM:
1397                         tv_std = TV_STD_SECAM;
1398                         DRM_INFO("Default TV standard: SECAM\n");
1399                         break;
1400                 default:
1401                         tv_std = TV_STD_NTSC;
1402                         DRM_INFO("Unknown TV standard; defaulting to NTSC\n");
1403                         break;
1404                 }
1405         }
1406         return tv_std;
1407 }
1408
1409 struct radeon_encoder_tv_dac *
1410 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder)
1411 {
1412         struct drm_device *dev = encoder->base.dev;
1413         struct radeon_device *rdev = dev->dev_private;
1414         struct radeon_mode_info *mode_info = &rdev->mode_info;
1415         int index = GetIndexIntoMasterTable(DATA, CompassionateData);
1416         uint16_t data_offset;
1417         struct _COMPASSIONATE_DATA *dac_info;
1418         uint8_t frev, crev;
1419         uint8_t bg, dac;
1420         struct radeon_encoder_tv_dac *tv_dac = NULL;
1421
1422         if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1423                                    &frev, &crev, &data_offset)) {
1424
1425                 dac_info = (struct _COMPASSIONATE_DATA *)
1426                         (mode_info->atom_context->bios + data_offset);
1427
1428                 tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
1429
1430                 if (!tv_dac)
1431                         return NULL;
1432
1433                 bg = dac_info->ucDAC2_CRT2_BG_Adjustment;
1434                 dac = dac_info->ucDAC2_CRT2_DAC_Adjustment;
1435                 tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1436
1437                 bg = dac_info->ucDAC2_PAL_BG_Adjustment;
1438                 dac = dac_info->ucDAC2_PAL_DAC_Adjustment;
1439                 tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1440
1441                 bg = dac_info->ucDAC2_NTSC_BG_Adjustment;
1442                 dac = dac_info->ucDAC2_NTSC_DAC_Adjustment;
1443                 tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1444
1445                 tv_dac->tv_std = radeon_atombios_get_tv_info(rdev);
1446         }
1447         return tv_dac;
1448 }
1449
1450 static const char *thermal_controller_names[] = {
1451         "NONE",
1452         "lm63",
1453         "adm1032",
1454         "adm1030",
1455         "max6649",
1456         "lm64",
1457         "f75375",
1458         "asc7xxx",
1459 };
1460
1461 static const char *pp_lib_thermal_controller_names[] = {
1462         "NONE",
1463         "lm63",
1464         "adm1032",
1465         "adm1030",
1466         "max6649",
1467         "lm64",
1468         "f75375",
1469         "RV6xx",
1470         "RV770",
1471         "adt7473",
1472         "External GPIO",
1473         "Evergreen",
1474         "adt7473 with internal",
1475
1476 };
1477
1478 union power_info {
1479         struct _ATOM_POWERPLAY_INFO info;
1480         struct _ATOM_POWERPLAY_INFO_V2 info_2;
1481         struct _ATOM_POWERPLAY_INFO_V3 info_3;
1482         struct _ATOM_PPLIB_POWERPLAYTABLE info_4;
1483 };
1484
1485 void radeon_atombios_get_power_modes(struct radeon_device *rdev)
1486 {
1487         struct radeon_mode_info *mode_info = &rdev->mode_info;
1488         int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
1489         u16 data_offset;
1490         u8 frev, crev;
1491         u32 misc, misc2 = 0, sclk, mclk;
1492         union power_info *power_info;
1493         struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
1494         struct _ATOM_PPLIB_STATE *power_state;
1495         int num_modes = 0, i, j;
1496         int state_index = 0, mode_index = 0;
1497         struct radeon_i2c_bus_rec i2c_bus;
1498
1499         rdev->pm.default_power_state_index = -1;
1500
1501         if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1502                                    &frev, &crev, &data_offset)) {
1503                 power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
1504                 if (frev < 4) {
1505                         /* add the i2c bus for thermal/fan chip */
1506                         if (power_info->info.ucOverdriveThermalController > 0) {
1507                                 DRM_INFO("Possible %s thermal controller at 0x%02x\n",
1508                                          thermal_controller_names[power_info->info.ucOverdriveThermalController],
1509                                          power_info->info.ucOverdriveControllerAddress >> 1);
1510                                 i2c_bus = radeon_lookup_i2c_gpio(rdev, power_info->info.ucOverdriveI2cLine);
1511                                 rdev->pm.i2c_bus = radeon_i2c_create(rdev->ddev, &i2c_bus, "Thermal");
1512                                 if (rdev->pm.i2c_bus) {
1513                                         struct i2c_board_info info = { };
1514                                         const char *name = thermal_controller_names[power_info->info.
1515                                                                                     ucOverdriveThermalController];
1516                                         info.addr = power_info->info.ucOverdriveControllerAddress >> 1;
1517                                         strlcpy(info.type, name, sizeof(info.type));
1518                                         i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
1519                                 }
1520                         }
1521                         num_modes = power_info->info.ucNumOfPowerModeEntries;
1522                         if (num_modes > ATOM_MAX_NUMBEROF_POWER_BLOCK)
1523                                 num_modes = ATOM_MAX_NUMBEROF_POWER_BLOCK;
1524                         /* last mode is usually default, array is low to high */
1525                         for (i = 0; i < num_modes; i++) {
1526                                 rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
1527                                 switch (frev) {
1528                                 case 1:
1529                                         rdev->pm.power_state[state_index].num_clock_modes = 1;
1530                                         rdev->pm.power_state[state_index].clock_info[0].mclk =
1531                                                 le16_to_cpu(power_info->info.asPowerPlayInfo[i].usMemoryClock);
1532                                         rdev->pm.power_state[state_index].clock_info[0].sclk =
1533                                                 le16_to_cpu(power_info->info.asPowerPlayInfo[i].usEngineClock);
1534                                         /* skip invalid modes */
1535                                         if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
1536                                             (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
1537                                                 continue;
1538                                         rdev->pm.power_state[state_index].pcie_lanes =
1539                                                 power_info->info.asPowerPlayInfo[i].ucNumPciELanes;
1540                                         misc = le32_to_cpu(power_info->info.asPowerPlayInfo[i].ulMiscInfo);
1541                                         if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
1542                                                 rdev->pm.power_state[state_index].clock_info[0].voltage.type =
1543                                                         VOLTAGE_GPIO;
1544                                                 rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
1545                                                         radeon_lookup_gpio(rdev,
1546                                                         power_info->info.asPowerPlayInfo[i].ucVoltageDropIndex);
1547                                                 if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)
1548                                                         rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
1549                                                                 true;
1550                                                 else
1551                                                         rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
1552                                                                 false;
1553                                         } else if (misc & ATOM_PM_MISCINFO_PROGRAM_VOLTAGE) {
1554                                                 rdev->pm.power_state[state_index].clock_info[0].voltage.type =
1555                                                         VOLTAGE_VDDC;
1556                                                 rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
1557                                                         power_info->info.asPowerPlayInfo[i].ucVoltageDropIndex;
1558                                         }
1559                                         rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
1560                                         rdev->pm.power_state[state_index].misc = misc;
1561                                         /* order matters! */
1562                                         if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
1563                                                 rdev->pm.power_state[state_index].type =
1564                                                         POWER_STATE_TYPE_POWERSAVE;
1565                                         if (misc & ATOM_PM_MISCINFO_DEFAULT_DC_STATE_ENTRY_TRUE)
1566                                                 rdev->pm.power_state[state_index].type =
1567                                                         POWER_STATE_TYPE_BATTERY;
1568                                         if (misc & ATOM_PM_MISCINFO_DEFAULT_LOW_DC_STATE_ENTRY_TRUE)
1569                                                 rdev->pm.power_state[state_index].type =
1570                                                         POWER_STATE_TYPE_BATTERY;
1571                                         if (misc & ATOM_PM_MISCINFO_LOAD_BALANCE_EN)
1572                                                 rdev->pm.power_state[state_index].type =
1573                                                         POWER_STATE_TYPE_BALANCED;
1574                                         if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN) {
1575                                                 rdev->pm.power_state[state_index].type =
1576                                                         POWER_STATE_TYPE_PERFORMANCE;
1577                                                 rdev->pm.power_state[state_index].flags &=
1578                                                         ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
1579                                         }
1580                                         if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
1581                                                 rdev->pm.power_state[state_index].type =
1582                                                         POWER_STATE_TYPE_DEFAULT;
1583                                                 rdev->pm.default_power_state_index = state_index;
1584                                                 rdev->pm.power_state[state_index].default_clock_mode =
1585                                                         &rdev->pm.power_state[state_index].clock_info[0];
1586                                                 rdev->pm.power_state[state_index].flags &=
1587                                                         ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
1588                                         } else if (state_index == 0) {
1589                                                 rdev->pm.power_state[state_index].clock_info[0].flags |=
1590                                                         RADEON_PM_MODE_NO_DISPLAY;
1591                                         }
1592                                         state_index++;
1593                                         break;
1594                                 case 2:
1595                                         rdev->pm.power_state[state_index].num_clock_modes = 1;
1596                                         rdev->pm.power_state[state_index].clock_info[0].mclk =
1597                                                 le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMemoryClock);
1598                                         rdev->pm.power_state[state_index].clock_info[0].sclk =
1599                                                 le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulEngineClock);
1600                                         /* skip invalid modes */
1601                                         if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
1602                                             (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
1603                                                 continue;
1604                                         rdev->pm.power_state[state_index].pcie_lanes =
1605                                                 power_info->info_2.asPowerPlayInfo[i].ucNumPciELanes;
1606                                         misc = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo);
1607                                         misc2 = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo2);
1608                                         if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
1609                                                 rdev->pm.power_state[state_index].clock_info[0].voltage.type =
1610                                                         VOLTAGE_GPIO;
1611                                                 rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
1612                                                         radeon_lookup_gpio(rdev,
1613                                                         power_info->info_2.asPowerPlayInfo[i].ucVoltageDropIndex);
1614                                                 if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)
1615                                                         rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
1616                                                                 true;
1617                                                 else
1618                                                         rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
1619                                                                 false;
1620                                         } else if (misc & ATOM_PM_MISCINFO_PROGRAM_VOLTAGE) {
1621                                                 rdev->pm.power_state[state_index].clock_info[0].voltage.type =
1622                                                         VOLTAGE_VDDC;
1623                                                 rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
1624                                                         power_info->info_2.asPowerPlayInfo[i].ucVoltageDropIndex;
1625                                         }
1626                                         rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
1627                                         rdev->pm.power_state[state_index].misc = misc;
1628                                         rdev->pm.power_state[state_index].misc2 = misc2;
1629                                         /* order matters! */
1630                                         if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
1631                                                 rdev->pm.power_state[state_index].type =
1632                                                         POWER_STATE_TYPE_POWERSAVE;
1633                                         if (misc & ATOM_PM_MISCINFO_DEFAULT_DC_STATE_ENTRY_TRUE)
1634                                                 rdev->pm.power_state[state_index].type =
1635                                                         POWER_STATE_TYPE_BATTERY;
1636                                         if (misc & ATOM_PM_MISCINFO_DEFAULT_LOW_DC_STATE_ENTRY_TRUE)
1637                                                 rdev->pm.power_state[state_index].type =
1638                                                         POWER_STATE_TYPE_BATTERY;
1639                                         if (misc & ATOM_PM_MISCINFO_LOAD_BALANCE_EN)
1640                                                 rdev->pm.power_state[state_index].type =
1641                                                         POWER_STATE_TYPE_BALANCED;
1642                                         if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN) {
1643                                                 rdev->pm.power_state[state_index].type =
1644                                                         POWER_STATE_TYPE_PERFORMANCE;
1645                                                 rdev->pm.power_state[state_index].flags &=
1646                                                         ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
1647                                         }
1648                                         if (misc2 & ATOM_PM_MISCINFO2_SYSTEM_AC_LITE_MODE)
1649                                                 rdev->pm.power_state[state_index].type =
1650                                                         POWER_STATE_TYPE_BALANCED;
1651                                         if (misc2 & ATOM_PM_MISCINFO2_MULTI_DISPLAY_SUPPORT)
1652                                                 rdev->pm.power_state[state_index].flags &=
1653                                                         ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
1654                                         if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
1655                                                 rdev->pm.power_state[state_index].type =
1656                                                         POWER_STATE_TYPE_DEFAULT;
1657                                                 rdev->pm.default_power_state_index = state_index;
1658                                                 rdev->pm.power_state[state_index].default_clock_mode =
1659                                                         &rdev->pm.power_state[state_index].clock_info[0];
1660                                                 rdev->pm.power_state[state_index].flags &=
1661                                                         ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
1662                                         } else if (state_index == 0) {
1663                                                 rdev->pm.power_state[state_index].clock_info[0].flags |=
1664                                                         RADEON_PM_MODE_NO_DISPLAY;
1665                                         }
1666                                         state_index++;
1667                                         break;
1668                                 case 3:
1669                                         rdev->pm.power_state[state_index].num_clock_modes = 1;
1670                                         rdev->pm.power_state[state_index].clock_info[0].mclk =
1671                                                 le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMemoryClock);
1672                                         rdev->pm.power_state[state_index].clock_info[0].sclk =
1673                                                 le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulEngineClock);
1674                                         /* skip invalid modes */
1675                                         if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
1676                                             (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
1677                                                 continue;
1678                                         rdev->pm.power_state[state_index].pcie_lanes =
1679                                                 power_info->info_3.asPowerPlayInfo[i].ucNumPciELanes;
1680                                         misc = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo);
1681                                         misc2 = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo2);
1682                                         if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
1683                                                 rdev->pm.power_state[state_index].clock_info[0].voltage.type =
1684                                                         VOLTAGE_GPIO;
1685                                                 rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
1686                                                         radeon_lookup_gpio(rdev,
1687                                                         power_info->info_3.asPowerPlayInfo[i].ucVoltageDropIndex);
1688                                                 if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)
1689                                                         rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
1690                                                                 true;
1691                                                 else
1692                                                         rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
1693                                                                 false;
1694                                         } else if (misc & ATOM_PM_MISCINFO_PROGRAM_VOLTAGE) {
1695                                                 rdev->pm.power_state[state_index].clock_info[0].voltage.type =
1696                                                         VOLTAGE_VDDC;
1697                                                 rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
1698                                                         power_info->info_3.asPowerPlayInfo[i].ucVoltageDropIndex;
1699                                                 if (misc2 & ATOM_PM_MISCINFO2_VDDCI_DYNAMIC_VOLTAGE_EN) {
1700                                                         rdev->pm.power_state[state_index].clock_info[0].voltage.vddci_enabled =
1701                                                                 true;
1702                                                         rdev->pm.power_state[state_index].clock_info[0].voltage.vddci_id =
1703                                                         power_info->info_3.asPowerPlayInfo[i].ucVDDCI_VoltageDropIndex;
1704                                                 }
1705                                         }
1706                                         rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
1707                                         rdev->pm.power_state[state_index].misc = misc;
1708                                         rdev->pm.power_state[state_index].misc2 = misc2;
1709                                         /* order matters! */
1710                                         if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
1711                                                 rdev->pm.power_state[state_index].type =
1712                                                         POWER_STATE_TYPE_POWERSAVE;
1713                                         if (misc & ATOM_PM_MISCINFO_DEFAULT_DC_STATE_ENTRY_TRUE)
1714                                                 rdev->pm.power_state[state_index].type =
1715                                                         POWER_STATE_TYPE_BATTERY;
1716                                         if (misc & ATOM_PM_MISCINFO_DEFAULT_LOW_DC_STATE_ENTRY_TRUE)
1717                                                 rdev->pm.power_state[state_index].type =
1718                                                         POWER_STATE_TYPE_BATTERY;
1719                                         if (misc & ATOM_PM_MISCINFO_LOAD_BALANCE_EN)
1720                                                 rdev->pm.power_state[state_index].type =
1721                                                         POWER_STATE_TYPE_BALANCED;
1722                                         if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN) {
1723                                                 rdev->pm.power_state[state_index].type =
1724                                                         POWER_STATE_TYPE_PERFORMANCE;
1725                                                 rdev->pm.power_state[state_index].flags &=
1726                                                         ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
1727                                         }
1728                                         if (misc2 & ATOM_PM_MISCINFO2_SYSTEM_AC_LITE_MODE)
1729                                                 rdev->pm.power_state[state_index].type =
1730                                                         POWER_STATE_TYPE_BALANCED;
1731                                         if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
1732                                                 rdev->pm.power_state[state_index].type =
1733                                                         POWER_STATE_TYPE_DEFAULT;
1734                                                 rdev->pm.default_power_state_index = state_index;
1735                                                 rdev->pm.power_state[state_index].default_clock_mode =
1736                                                         &rdev->pm.power_state[state_index].clock_info[0];
1737                                         } else if (state_index == 0) {
1738                                                 rdev->pm.power_state[state_index].clock_info[0].flags |=
1739                                                         RADEON_PM_MODE_NO_DISPLAY;
1740                                         }
1741                                         state_index++;
1742                                         break;
1743                                 }
1744                         }
1745                         /* last mode is usually default */
1746                         if (rdev->pm.default_power_state_index == -1) {
1747                                 rdev->pm.power_state[state_index - 1].type =
1748                                         POWER_STATE_TYPE_DEFAULT;
1749                                 rdev->pm.default_power_state_index = state_index - 1;
1750                                 rdev->pm.power_state[state_index - 1].default_clock_mode =
1751                                         &rdev->pm.power_state[state_index - 1].clock_info[0];
1752                                 rdev->pm.power_state[state_index].flags &=
1753                                         ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
1754                                 rdev->pm.power_state[state_index].misc = 0;
1755                                 rdev->pm.power_state[state_index].misc2 = 0;
1756                         }
1757                 } else {
1758                         /* add the i2c bus for thermal/fan chip */
1759                         /* no support for internal controller yet */
1760                         ATOM_PPLIB_THERMALCONTROLLER *controller = &power_info->info_4.sThermalController;
1761                         if (controller->ucType > 0) {
1762                                 if ((controller->ucType == ATOM_PP_THERMALCONTROLLER_RV6xx) ||
1763                                     (controller->ucType == ATOM_PP_THERMALCONTROLLER_RV770) ||
1764                                     (controller->ucType == ATOM_PP_THERMALCONTROLLER_EVERGREEN)) {
1765                                         DRM_INFO("Internal thermal controller %s fan control\n",
1766                                                  (controller->ucFanParameters &
1767                                                   ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
1768                                 } else if ((controller->ucType ==
1769                                             ATOM_PP_THERMALCONTROLLER_EXTERNAL_GPIO) ||
1770                                            (controller->ucType ==
1771                                             ATOM_PP_THERMALCONTROLLER_ADT7473_WITH_INTERNAL)) {
1772                                         DRM_INFO("Special thermal controller config\n");
1773                                 } else {
1774                                         DRM_INFO("Possible %s thermal controller at 0x%02x %s fan control\n",
1775                                                  pp_lib_thermal_controller_names[controller->ucType],
1776                                                  controller->ucI2cAddress >> 1,
1777                                                  (controller->ucFanParameters &
1778                                                   ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
1779                                         i2c_bus = radeon_lookup_i2c_gpio(rdev, controller->ucI2cLine);
1780                                         rdev->pm.i2c_bus = radeon_i2c_create(rdev->ddev, &i2c_bus, "Thermal");
1781                                         if (rdev->pm.i2c_bus) {
1782                                                 struct i2c_board_info info = { };
1783                                                 const char *name = pp_lib_thermal_controller_names[controller->ucType];
1784                                                 info.addr = controller->ucI2cAddress >> 1;
1785                                                 strlcpy(info.type, name, sizeof(info.type));
1786                                                 i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
1787                                         }
1788
1789                                 }
1790                         }
1791                         /* first mode is usually default, followed by low to high */
1792                         for (i = 0; i < power_info->info_4.ucNumStates; i++) {
1793                                 mode_index = 0;
1794                                 power_state = (struct _ATOM_PPLIB_STATE *)
1795                                         (mode_info->atom_context->bios +
1796                                          data_offset +
1797                                          le16_to_cpu(power_info->info_4.usStateArrayOffset) +
1798                                          i * power_info->info_4.ucStateEntrySize);
1799                                 non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
1800                                         (mode_info->atom_context->bios +
1801                                          data_offset +
1802                                          le16_to_cpu(power_info->info_4.usNonClockInfoArrayOffset) +
1803                                          (power_state->ucNonClockStateIndex *
1804                                           power_info->info_4.ucNonClockSize));
1805                                 for (j = 0; j < (power_info->info_4.ucStateEntrySize - 1); j++) {
1806                                         if (rdev->flags & RADEON_IS_IGP) {
1807                                                 struct _ATOM_PPLIB_RS780_CLOCK_INFO *clock_info =
1808                                                         (struct _ATOM_PPLIB_RS780_CLOCK_INFO *)
1809                                                         (mode_info->atom_context->bios +
1810                                                          data_offset +
1811                                                          le16_to_cpu(power_info->info_4.usClockInfoArrayOffset) +
1812                                                          (power_state->ucClockStateIndices[j] *
1813                                                           power_info->info_4.ucClockInfoSize));
1814                                                 sclk = le16_to_cpu(clock_info->usLowEngineClockLow);
1815                                                 sclk |= clock_info->ucLowEngineClockHigh << 16;
1816                                                 rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
1817                                                 /* skip invalid modes */
1818                                                 if (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0)
1819                                                         continue;
1820                                                 rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
1821                                                         VOLTAGE_SW;
1822                                                 rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
1823                                                         clock_info->usVDDC;
1824                                                 mode_index++;
1825                                         } else if (ASIC_IS_DCE4(rdev)) {
1826                                                 struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO *clock_info =
1827                                                         (struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO *)
1828                                                         (mode_info->atom_context->bios +
1829                                                          data_offset +
1830                                                          le16_to_cpu(power_info->info_4.usClockInfoArrayOffset) +
1831                                                          (power_state->ucClockStateIndices[j] *
1832                                                           power_info->info_4.ucClockInfoSize));
1833                                                 sclk = le16_to_cpu(clock_info->usEngineClockLow);
1834                                                 sclk |= clock_info->ucEngineClockHigh << 16;
1835                                                 mclk = le16_to_cpu(clock_info->usMemoryClockLow);
1836                                                 mclk |= clock_info->ucMemoryClockHigh << 16;
1837                                                 rdev->pm.power_state[state_index].clock_info[mode_index].mclk = mclk;
1838                                                 rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
1839                                                 /* skip invalid modes */
1840                                                 if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk == 0) ||
1841                                                     (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0))
1842                                                         continue;
1843                                                 rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
1844                                                         VOLTAGE_SW;
1845                                                 rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
1846                                                         clock_info->usVDDC;
1847                                                 /* XXX usVDDCI */
1848                                                 mode_index++;
1849                                         } else {
1850                                                 struct _ATOM_PPLIB_R600_CLOCK_INFO *clock_info =
1851                                                         (struct _ATOM_PPLIB_R600_CLOCK_INFO *)
1852                                                         (mode_info->atom_context->bios +
1853                                                          data_offset +
1854                                                          le16_to_cpu(power_info->info_4.usClockInfoArrayOffset) +
1855                                                          (power_state->ucClockStateIndices[j] *
1856                                                           power_info->info_4.ucClockInfoSize));
1857                                                 sclk = le16_to_cpu(clock_info->usEngineClockLow);
1858                                                 sclk |= clock_info->ucEngineClockHigh << 16;
1859                                                 mclk = le16_to_cpu(clock_info->usMemoryClockLow);
1860                                                 mclk |= clock_info->ucMemoryClockHigh << 16;
1861                                                 rdev->pm.power_state[state_index].clock_info[mode_index].mclk = mclk;
1862                                                 rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
1863                                                 /* skip invalid modes */
1864                                                 if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk == 0) ||
1865                                                     (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0))
1866                                                         continue;
1867                                                 rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
1868                                                         VOLTAGE_SW;
1869                                                 rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
1870                                                         clock_info->usVDDC;
1871                                                 mode_index++;
1872                                         }
1873                                 }
1874                                 rdev->pm.power_state[state_index].num_clock_modes = mode_index;
1875                                 if (mode_index) {
1876                                         misc = le32_to_cpu(non_clock_info->ulCapsAndSettings);
1877                                         misc2 = le16_to_cpu(non_clock_info->usClassification);
1878                                         rdev->pm.power_state[state_index].misc = misc;
1879                                         rdev->pm.power_state[state_index].misc2 = misc2;
1880                                         rdev->pm.power_state[state_index].pcie_lanes =
1881                                                 ((misc & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >>
1882                                                 ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT) + 1;
1883                                         switch (misc2 & ATOM_PPLIB_CLASSIFICATION_UI_MASK) {
1884                                         case ATOM_PPLIB_CLASSIFICATION_UI_BATTERY:
1885                                                 rdev->pm.power_state[state_index].type =
1886                                                         POWER_STATE_TYPE_BATTERY;
1887                                                 break;
1888                                         case ATOM_PPLIB_CLASSIFICATION_UI_BALANCED:
1889                                                 rdev->pm.power_state[state_index].type =
1890                                                         POWER_STATE_TYPE_BALANCED;
1891                                                 break;
1892                                         case ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE:
1893                                                 rdev->pm.power_state[state_index].type =
1894                                                         POWER_STATE_TYPE_PERFORMANCE;
1895                                                 break;
1896                                         }
1897                                         rdev->pm.power_state[state_index].flags = 0;
1898                                         if (misc & ATOM_PPLIB_SINGLE_DISPLAY_ONLY)
1899                                                 rdev->pm.power_state[state_index].flags |=
1900                                                         RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
1901                                         if (misc2 & ATOM_PPLIB_CLASSIFICATION_BOOT) {
1902                                                 rdev->pm.power_state[state_index].type =
1903                                                         POWER_STATE_TYPE_DEFAULT;
1904                                                 rdev->pm.default_power_state_index = state_index;
1905                                                 rdev->pm.power_state[state_index].default_clock_mode =
1906                                                         &rdev->pm.power_state[state_index].clock_info[mode_index - 1];
1907                                         }
1908                                         state_index++;
1909                                 }
1910                         }
1911                         /* if multiple clock modes, mark the lowest as no display */
1912                         for (i = 0; i < state_index; i++) {
1913                                 if (rdev->pm.power_state[i].num_clock_modes > 1)
1914                                         rdev->pm.power_state[i].clock_info[0].flags |=
1915                                                 RADEON_PM_MODE_NO_DISPLAY;
1916                         }
1917                         /* first mode is usually default */
1918                         if (rdev->pm.default_power_state_index == -1) {
1919                                 rdev->pm.power_state[0].type =
1920                                         POWER_STATE_TYPE_DEFAULT;
1921                                 rdev->pm.default_power_state_index = 0;
1922                                 rdev->pm.power_state[0].default_clock_mode =
1923                                         &rdev->pm.power_state[0].clock_info[0];
1924                         }
1925                 }
1926         } else {
1927                 /* add the default mode */
1928                 rdev->pm.power_state[state_index].type =
1929                         POWER_STATE_TYPE_DEFAULT;
1930                 rdev->pm.power_state[state_index].num_clock_modes = 1;
1931                 rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
1932                 rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
1933                 rdev->pm.power_state[state_index].default_clock_mode =
1934                         &rdev->pm.power_state[state_index].clock_info[0];
1935                 rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
1936                 rdev->pm.power_state[state_index].pcie_lanes = 16;
1937                 rdev->pm.default_power_state_index = state_index;
1938                 rdev->pm.power_state[state_index].flags = 0;
1939                 state_index++;
1940         }
1941
1942         rdev->pm.num_power_states = state_index;
1943
1944         rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
1945         rdev->pm.current_clock_mode_index = 0;
1946 }
1947
1948 void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable)
1949 {
1950         DYNAMIC_CLOCK_GATING_PS_ALLOCATION args;
1951         int index = GetIndexIntoMasterTable(COMMAND, DynamicClockGating);
1952
1953         args.ucEnable = enable;
1954
1955         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
1956 }
1957
1958 uint32_t radeon_atom_get_engine_clock(struct radeon_device *rdev)
1959 {
1960         GET_ENGINE_CLOCK_PS_ALLOCATION args;
1961         int index = GetIndexIntoMasterTable(COMMAND, GetEngineClock);
1962
1963         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
1964         return args.ulReturnEngineClock;
1965 }
1966
1967 uint32_t radeon_atom_get_memory_clock(struct radeon_device *rdev)
1968 {
1969         GET_MEMORY_CLOCK_PS_ALLOCATION args;
1970         int index = GetIndexIntoMasterTable(COMMAND, GetMemoryClock);
1971
1972         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
1973         return args.ulReturnMemoryClock;
1974 }
1975
1976 void radeon_atom_set_engine_clock(struct radeon_device *rdev,
1977                                   uint32_t eng_clock)
1978 {
1979         SET_ENGINE_CLOCK_PS_ALLOCATION args;
1980         int index = GetIndexIntoMasterTable(COMMAND, SetEngineClock);
1981
1982         args.ulTargetEngineClock = eng_clock;   /* 10 khz */
1983
1984         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
1985 }
1986
1987 void radeon_atom_set_memory_clock(struct radeon_device *rdev,
1988                                   uint32_t mem_clock)
1989 {
1990         SET_MEMORY_CLOCK_PS_ALLOCATION args;
1991         int index = GetIndexIntoMasterTable(COMMAND, SetMemoryClock);
1992
1993         if (rdev->flags & RADEON_IS_IGP)
1994                 return;
1995
1996         args.ulTargetMemoryClock = mem_clock;   /* 10 khz */
1997
1998         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
1999 }
2000
2001 void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev)
2002 {
2003         struct radeon_device *rdev = dev->dev_private;
2004         uint32_t bios_2_scratch, bios_6_scratch;
2005
2006         if (rdev->family >= CHIP_R600) {
2007                 bios_2_scratch = RREG32(R600_BIOS_2_SCRATCH);
2008                 bios_6_scratch = RREG32(R600_BIOS_6_SCRATCH);
2009         } else {
2010                 bios_2_scratch = RREG32(RADEON_BIOS_2_SCRATCH);
2011                 bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
2012         }
2013
2014         /* let the bios control the backlight */
2015         bios_2_scratch &= ~ATOM_S2_VRI_BRIGHT_ENABLE;
2016
2017         /* tell the bios not to handle mode switching */
2018         bios_6_scratch |= (ATOM_S6_ACC_BLOCK_DISPLAY_SWITCH | ATOM_S6_ACC_MODE);
2019
2020         if (rdev->family >= CHIP_R600) {
2021                 WREG32(R600_BIOS_2_SCRATCH, bios_2_scratch);
2022                 WREG32(R600_BIOS_6_SCRATCH, bios_6_scratch);
2023         } else {
2024                 WREG32(RADEON_BIOS_2_SCRATCH, bios_2_scratch);
2025                 WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
2026         }
2027
2028 }
2029
2030 void radeon_save_bios_scratch_regs(struct radeon_device *rdev)
2031 {
2032         uint32_t scratch_reg;
2033         int i;
2034
2035         if (rdev->family >= CHIP_R600)
2036                 scratch_reg = R600_BIOS_0_SCRATCH;
2037         else
2038                 scratch_reg = RADEON_BIOS_0_SCRATCH;
2039
2040         for (i = 0; i < RADEON_BIOS_NUM_SCRATCH; i++)
2041                 rdev->bios_scratch[i] = RREG32(scratch_reg + (i * 4));
2042 }
2043
2044 void radeon_restore_bios_scratch_regs(struct radeon_device *rdev)
2045 {
2046         uint32_t scratch_reg;
2047         int i;
2048
2049         if (rdev->family >= CHIP_R600)
2050                 scratch_reg = R600_BIOS_0_SCRATCH;
2051         else
2052                 scratch_reg = RADEON_BIOS_0_SCRATCH;
2053
2054         for (i = 0; i < RADEON_BIOS_NUM_SCRATCH; i++)
2055                 WREG32(scratch_reg + (i * 4), rdev->bios_scratch[i]);
2056 }
2057
2058 void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock)
2059 {
2060         struct drm_device *dev = encoder->dev;
2061         struct radeon_device *rdev = dev->dev_private;
2062         uint32_t bios_6_scratch;
2063
2064         if (rdev->family >= CHIP_R600)
2065                 bios_6_scratch = RREG32(R600_BIOS_6_SCRATCH);
2066         else
2067                 bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
2068
2069         if (lock)
2070                 bios_6_scratch |= ATOM_S6_CRITICAL_STATE;
2071         else
2072                 bios_6_scratch &= ~ATOM_S6_CRITICAL_STATE;
2073
2074         if (rdev->family >= CHIP_R600)
2075                 WREG32(R600_BIOS_6_SCRATCH, bios_6_scratch);
2076         else
2077                 WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
2078 }
2079
2080 /* at some point we may want to break this out into individual functions */
2081 void
2082 radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
2083                                        struct drm_encoder *encoder,
2084                                        bool connected)
2085 {
2086         struct drm_device *dev = connector->dev;
2087         struct radeon_device *rdev = dev->dev_private;
2088         struct radeon_connector *radeon_connector =
2089             to_radeon_connector(connector);
2090         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2091         uint32_t bios_0_scratch, bios_3_scratch, bios_6_scratch;
2092
2093         if (rdev->family >= CHIP_R600) {
2094                 bios_0_scratch = RREG32(R600_BIOS_0_SCRATCH);
2095                 bios_3_scratch = RREG32(R600_BIOS_3_SCRATCH);
2096                 bios_6_scratch = RREG32(R600_BIOS_6_SCRATCH);
2097         } else {
2098                 bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
2099                 bios_3_scratch = RREG32(RADEON_BIOS_3_SCRATCH);
2100                 bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
2101         }
2102
2103         if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
2104             (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
2105                 if (connected) {
2106                         DRM_DEBUG("TV1 connected\n");
2107                         bios_3_scratch |= ATOM_S3_TV1_ACTIVE;
2108                         bios_6_scratch |= ATOM_S6_ACC_REQ_TV1;
2109                 } else {
2110                         DRM_DEBUG("TV1 disconnected\n");
2111                         bios_0_scratch &= ~ATOM_S0_TV1_MASK;
2112                         bios_3_scratch &= ~ATOM_S3_TV1_ACTIVE;
2113                         bios_6_scratch &= ~ATOM_S6_ACC_REQ_TV1;
2114                 }
2115         }
2116         if ((radeon_encoder->devices & ATOM_DEVICE_CV_SUPPORT) &&
2117             (radeon_connector->devices & ATOM_DEVICE_CV_SUPPORT)) {
2118                 if (connected) {
2119                         DRM_DEBUG("CV connected\n");
2120                         bios_3_scratch |= ATOM_S3_CV_ACTIVE;
2121                         bios_6_scratch |= ATOM_S6_ACC_REQ_CV;
2122                 } else {
2123                         DRM_DEBUG("CV disconnected\n");
2124                         bios_0_scratch &= ~ATOM_S0_CV_MASK;
2125                         bios_3_scratch &= ~ATOM_S3_CV_ACTIVE;
2126                         bios_6_scratch &= ~ATOM_S6_ACC_REQ_CV;
2127                 }
2128         }
2129         if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
2130             (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
2131                 if (connected) {
2132                         DRM_DEBUG("LCD1 connected\n");
2133                         bios_0_scratch |= ATOM_S0_LCD1;
2134                         bios_3_scratch |= ATOM_S3_LCD1_ACTIVE;
2135                         bios_6_scratch |= ATOM_S6_ACC_REQ_LCD1;
2136                 } else {
2137                         DRM_DEBUG("LCD1 disconnected\n");
2138                         bios_0_scratch &= ~ATOM_S0_LCD1;
2139                         bios_3_scratch &= ~ATOM_S3_LCD1_ACTIVE;
2140                         bios_6_scratch &= ~ATOM_S6_ACC_REQ_LCD1;
2141                 }
2142         }
2143         if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
2144             (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
2145                 if (connected) {
2146                         DRM_DEBUG("CRT1 connected\n");
2147                         bios_0_scratch |= ATOM_S0_CRT1_COLOR;
2148                         bios_3_scratch |= ATOM_S3_CRT1_ACTIVE;
2149                         bios_6_scratch |= ATOM_S6_ACC_REQ_CRT1;
2150                 } else {
2151                         DRM_DEBUG("CRT1 disconnected\n");
2152                         bios_0_scratch &= ~ATOM_S0_CRT1_MASK;
2153                         bios_3_scratch &= ~ATOM_S3_CRT1_ACTIVE;
2154                         bios_6_scratch &= ~ATOM_S6_ACC_REQ_CRT1;
2155                 }
2156         }
2157         if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
2158             (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
2159                 if (connected) {
2160                         DRM_DEBUG("CRT2 connected\n");
2161                         bios_0_scratch |= ATOM_S0_CRT2_COLOR;
2162                         bios_3_scratch |= ATOM_S3_CRT2_ACTIVE;
2163                         bios_6_scratch |= ATOM_S6_ACC_REQ_CRT2;
2164                 } else {
2165                         DRM_DEBUG("CRT2 disconnected\n");
2166                         bios_0_scratch &= ~ATOM_S0_CRT2_MASK;
2167                         bios_3_scratch &= ~ATOM_S3_CRT2_ACTIVE;
2168                         bios_6_scratch &= ~ATOM_S6_ACC_REQ_CRT2;
2169                 }
2170         }
2171         if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
2172             (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
2173                 if (connected) {
2174                         DRM_DEBUG("DFP1 connected\n");
2175                         bios_0_scratch |= ATOM_S0_DFP1;
2176                         bios_3_scratch |= ATOM_S3_DFP1_ACTIVE;
2177                         bios_6_scratch |= ATOM_S6_ACC_REQ_DFP1;
2178                 } else {
2179                         DRM_DEBUG("DFP1 disconnected\n");
2180                         bios_0_scratch &= ~ATOM_S0_DFP1;
2181                         bios_3_scratch &= ~ATOM_S3_DFP1_ACTIVE;
2182                         bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP1;
2183                 }
2184         }
2185         if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
2186             (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
2187                 if (connected) {
2188                         DRM_DEBUG("DFP2 connected\n");
2189                         bios_0_scratch |= ATOM_S0_DFP2;
2190                         bios_3_scratch |= ATOM_S3_DFP2_ACTIVE;
2191                         bios_6_scratch |= ATOM_S6_ACC_REQ_DFP2;
2192                 } else {
2193                         DRM_DEBUG("DFP2 disconnected\n");
2194                         bios_0_scratch &= ~ATOM_S0_DFP2;
2195                         bios_3_scratch &= ~ATOM_S3_DFP2_ACTIVE;
2196                         bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP2;
2197                 }
2198         }
2199         if ((radeon_encoder->devices & ATOM_DEVICE_DFP3_SUPPORT) &&
2200             (radeon_connector->devices & ATOM_DEVICE_DFP3_SUPPORT)) {
2201                 if (connected) {
2202                         DRM_DEBUG("DFP3 connected\n");
2203                         bios_0_scratch |= ATOM_S0_DFP3;
2204                         bios_3_scratch |= ATOM_S3_DFP3_ACTIVE;
2205                         bios_6_scratch |= ATOM_S6_ACC_REQ_DFP3;
2206                 } else {
2207                         DRM_DEBUG("DFP3 disconnected\n");
2208                         bios_0_scratch &= ~ATOM_S0_DFP3;
2209                         bios_3_scratch &= ~ATOM_S3_DFP3_ACTIVE;
2210                         bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP3;
2211                 }
2212         }
2213         if ((radeon_encoder->devices & ATOM_DEVICE_DFP4_SUPPORT) &&
2214             (radeon_connector->devices & ATOM_DEVICE_DFP4_SUPPORT)) {
2215                 if (connected) {
2216                         DRM_DEBUG("DFP4 connected\n");
2217                         bios_0_scratch |= ATOM_S0_DFP4;
2218                         bios_3_scratch |= ATOM_S3_DFP4_ACTIVE;
2219                         bios_6_scratch |= ATOM_S6_ACC_REQ_DFP4;
2220                 } else {
2221                         DRM_DEBUG("DFP4 disconnected\n");
2222                         bios_0_scratch &= ~ATOM_S0_DFP4;
2223                         bios_3_scratch &= ~ATOM_S3_DFP4_ACTIVE;
2224                         bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP4;
2225                 }
2226         }
2227         if ((radeon_encoder->devices & ATOM_DEVICE_DFP5_SUPPORT) &&
2228             (radeon_connector->devices & ATOM_DEVICE_DFP5_SUPPORT)) {
2229                 if (connected) {
2230                         DRM_DEBUG("DFP5 connected\n");
2231                         bios_0_scratch |= ATOM_S0_DFP5;
2232                         bios_3_scratch |= ATOM_S3_DFP5_ACTIVE;
2233                         bios_6_scratch |= ATOM_S6_ACC_REQ_DFP5;
2234                 } else {
2235                         DRM_DEBUG("DFP5 disconnected\n");
2236                         bios_0_scratch &= ~ATOM_S0_DFP5;
2237                         bios_3_scratch &= ~ATOM_S3_DFP5_ACTIVE;
2238                         bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP5;
2239                 }
2240         }
2241
2242         if (rdev->family >= CHIP_R600) {
2243                 WREG32(R600_BIOS_0_SCRATCH, bios_0_scratch);
2244                 WREG32(R600_BIOS_3_SCRATCH, bios_3_scratch);
2245                 WREG32(R600_BIOS_6_SCRATCH, bios_6_scratch);
2246         } else {
2247                 WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
2248                 WREG32(RADEON_BIOS_3_SCRATCH, bios_3_scratch);
2249                 WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
2250         }
2251 }
2252
2253 void
2254 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
2255 {
2256         struct drm_device *dev = encoder->dev;
2257         struct radeon_device *rdev = dev->dev_private;
2258         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2259         uint32_t bios_3_scratch;
2260
2261         if (rdev->family >= CHIP_R600)
2262                 bios_3_scratch = RREG32(R600_BIOS_3_SCRATCH);
2263         else
2264                 bios_3_scratch = RREG32(RADEON_BIOS_3_SCRATCH);
2265
2266         if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
2267                 bios_3_scratch &= ~ATOM_S3_TV1_CRTC_ACTIVE;
2268                 bios_3_scratch |= (crtc << 18);
2269         }
2270         if (radeon_encoder->devices & ATOM_DEVICE_CV_SUPPORT) {
2271                 bios_3_scratch &= ~ATOM_S3_CV_CRTC_ACTIVE;
2272                 bios_3_scratch |= (crtc << 24);
2273         }
2274         if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
2275                 bios_3_scratch &= ~ATOM_S3_CRT1_CRTC_ACTIVE;
2276                 bios_3_scratch |= (crtc << 16);
2277         }
2278         if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
2279                 bios_3_scratch &= ~ATOM_S3_CRT2_CRTC_ACTIVE;
2280                 bios_3_scratch |= (crtc << 20);
2281         }
2282         if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
2283                 bios_3_scratch &= ~ATOM_S3_LCD1_CRTC_ACTIVE;
2284                 bios_3_scratch |= (crtc << 17);
2285         }
2286         if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
2287                 bios_3_scratch &= ~ATOM_S3_DFP1_CRTC_ACTIVE;
2288                 bios_3_scratch |= (crtc << 19);
2289         }
2290         if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
2291                 bios_3_scratch &= ~ATOM_S3_DFP2_CRTC_ACTIVE;
2292                 bios_3_scratch |= (crtc << 23);
2293         }
2294         if (radeon_encoder->devices & ATOM_DEVICE_DFP3_SUPPORT) {
2295                 bios_3_scratch &= ~ATOM_S3_DFP3_CRTC_ACTIVE;
2296                 bios_3_scratch |= (crtc << 25);
2297         }
2298
2299         if (rdev->family >= CHIP_R600)
2300                 WREG32(R600_BIOS_3_SCRATCH, bios_3_scratch);
2301         else
2302                 WREG32(RADEON_BIOS_3_SCRATCH, bios_3_scratch);
2303 }
2304
2305 void
2306 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
2307 {
2308         struct drm_device *dev = encoder->dev;
2309         struct radeon_device *rdev = dev->dev_private;
2310         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2311         uint32_t bios_2_scratch;
2312
2313         if (rdev->family >= CHIP_R600)
2314                 bios_2_scratch = RREG32(R600_BIOS_2_SCRATCH);
2315         else
2316                 bios_2_scratch = RREG32(RADEON_BIOS_2_SCRATCH);
2317
2318         if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
2319                 if (on)
2320                         bios_2_scratch &= ~ATOM_S2_TV1_DPMS_STATE;
2321                 else
2322                         bios_2_scratch |= ATOM_S2_TV1_DPMS_STATE;
2323         }
2324         if (radeon_encoder->devices & ATOM_DEVICE_CV_SUPPORT) {
2325                 if (on)
2326                         bios_2_scratch &= ~ATOM_S2_CV_DPMS_STATE;
2327                 else
2328                         bios_2_scratch |= ATOM_S2_CV_DPMS_STATE;
2329         }
2330         if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
2331                 if (on)
2332                         bios_2_scratch &= ~ATOM_S2_CRT1_DPMS_STATE;
2333                 else
2334                         bios_2_scratch |= ATOM_S2_CRT1_DPMS_STATE;
2335         }
2336         if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
2337                 if (on)
2338                         bios_2_scratch &= ~ATOM_S2_CRT2_DPMS_STATE;
2339                 else
2340                         bios_2_scratch |= ATOM_S2_CRT2_DPMS_STATE;
2341         }
2342         if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
2343                 if (on)
2344                         bios_2_scratch &= ~ATOM_S2_LCD1_DPMS_STATE;
2345                 else
2346                         bios_2_scratch |= ATOM_S2_LCD1_DPMS_STATE;
2347         }
2348         if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
2349                 if (on)
2350                         bios_2_scratch &= ~ATOM_S2_DFP1_DPMS_STATE;
2351                 else
2352                         bios_2_scratch |= ATOM_S2_DFP1_DPMS_STATE;
2353         }
2354         if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
2355                 if (on)
2356                         bios_2_scratch &= ~ATOM_S2_DFP2_DPMS_STATE;
2357                 else
2358                         bios_2_scratch |= ATOM_S2_DFP2_DPMS_STATE;
2359         }
2360         if (radeon_encoder->devices & ATOM_DEVICE_DFP3_SUPPORT) {
2361                 if (on)
2362                         bios_2_scratch &= ~ATOM_S2_DFP3_DPMS_STATE;
2363                 else
2364                         bios_2_scratch |= ATOM_S2_DFP3_DPMS_STATE;
2365         }
2366         if (radeon_encoder->devices & ATOM_DEVICE_DFP4_SUPPORT) {
2367                 if (on)
2368                         bios_2_scratch &= ~ATOM_S2_DFP4_DPMS_STATE;
2369                 else
2370                         bios_2_scratch |= ATOM_S2_DFP4_DPMS_STATE;
2371         }
2372         if (radeon_encoder->devices & ATOM_DEVICE_DFP5_SUPPORT) {
2373                 if (on)
2374                         bios_2_scratch &= ~ATOM_S2_DFP5_DPMS_STATE;
2375                 else
2376                         bios_2_scratch |= ATOM_S2_DFP5_DPMS_STATE;
2377         }
2378
2379         if (rdev->family >= CHIP_R600)
2380                 WREG32(R600_BIOS_2_SCRATCH, bios_2_scratch);
2381         else
2382                 WREG32(RADEON_BIOS_2_SCRATCH, bios_2_scratch);
2383 }