Merge branch 'security' of git://git.kernel.org/pub/scm/linux/kernel/git/linville...
[linux-2.6-block.git] / drivers / gpu / drm / radeon / radeon_combios.c
1 /*
2  * Copyright 2004 ATI Technologies Inc., Markham, Ontario
3  * Copyright 2007-8 Advanced Micro Devices, Inc.
4  * Copyright 2008 Red Hat Inc.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  */
27 #include "drmP.h"
28 #include "radeon_drm.h"
29 #include "radeon.h"
30 #include "atom.h"
31
32 #ifdef CONFIG_PPC_PMAC
33 /* not sure which of these are needed */
34 #include <asm/machdep.h>
35 #include <asm/pmac_feature.h>
36 #include <asm/prom.h>
37 #include <asm/pci-bridge.h>
38 #endif /* CONFIG_PPC_PMAC */
39
40 /* from radeon_encoder.c */
41 extern uint32_t
42 radeon_get_encoder_id(struct drm_device *dev, uint32_t supported_device,
43                       uint8_t dac);
44 extern void radeon_link_encoder_connector(struct drm_device *dev);
45
46 /* from radeon_connector.c */
47 extern void
48 radeon_add_legacy_connector(struct drm_device *dev,
49                             uint32_t connector_id,
50                             uint32_t supported_device,
51                             int connector_type,
52                             struct radeon_i2c_bus_rec *i2c_bus,
53                             uint16_t connector_object_id);
54
55 /* from radeon_legacy_encoder.c */
56 extern void
57 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_id,
58                           uint32_t supported_device);
59
60 /* old legacy ATI BIOS routines */
61
62 /* COMBIOS table offsets */
63 enum radeon_combios_table_offset {
64         /* absolute offset tables */
65         COMBIOS_ASIC_INIT_1_TABLE,
66         COMBIOS_BIOS_SUPPORT_TABLE,
67         COMBIOS_DAC_PROGRAMMING_TABLE,
68         COMBIOS_MAX_COLOR_DEPTH_TABLE,
69         COMBIOS_CRTC_INFO_TABLE,
70         COMBIOS_PLL_INFO_TABLE,
71         COMBIOS_TV_INFO_TABLE,
72         COMBIOS_DFP_INFO_TABLE,
73         COMBIOS_HW_CONFIG_INFO_TABLE,
74         COMBIOS_MULTIMEDIA_INFO_TABLE,
75         COMBIOS_TV_STD_PATCH_TABLE,
76         COMBIOS_LCD_INFO_TABLE,
77         COMBIOS_MOBILE_INFO_TABLE,
78         COMBIOS_PLL_INIT_TABLE,
79         COMBIOS_MEM_CONFIG_TABLE,
80         COMBIOS_SAVE_MASK_TABLE,
81         COMBIOS_HARDCODED_EDID_TABLE,
82         COMBIOS_ASIC_INIT_2_TABLE,
83         COMBIOS_CONNECTOR_INFO_TABLE,
84         COMBIOS_DYN_CLK_1_TABLE,
85         COMBIOS_RESERVED_MEM_TABLE,
86         COMBIOS_EXT_TMDS_INFO_TABLE,
87         COMBIOS_MEM_CLK_INFO_TABLE,
88         COMBIOS_EXT_DAC_INFO_TABLE,
89         COMBIOS_MISC_INFO_TABLE,
90         COMBIOS_CRT_INFO_TABLE,
91         COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE,
92         COMBIOS_COMPONENT_VIDEO_INFO_TABLE,
93         COMBIOS_FAN_SPEED_INFO_TABLE,
94         COMBIOS_OVERDRIVE_INFO_TABLE,
95         COMBIOS_OEM_INFO_TABLE,
96         COMBIOS_DYN_CLK_2_TABLE,
97         COMBIOS_POWER_CONNECTOR_INFO_TABLE,
98         COMBIOS_I2C_INFO_TABLE,
99         /* relative offset tables */
100         COMBIOS_ASIC_INIT_3_TABLE,      /* offset from misc info */
101         COMBIOS_ASIC_INIT_4_TABLE,      /* offset from misc info */
102         COMBIOS_DETECTED_MEM_TABLE,     /* offset from misc info */
103         COMBIOS_ASIC_INIT_5_TABLE,      /* offset from misc info */
104         COMBIOS_RAM_RESET_TABLE,        /* offset from mem config */
105         COMBIOS_POWERPLAY_INFO_TABLE,   /* offset from mobile info */
106         COMBIOS_GPIO_INFO_TABLE,        /* offset from mobile info */
107         COMBIOS_LCD_DDC_INFO_TABLE,     /* offset from mobile info */
108         COMBIOS_TMDS_POWER_TABLE,       /* offset from mobile info */
109         COMBIOS_TMDS_POWER_ON_TABLE,    /* offset from tmds power */
110         COMBIOS_TMDS_POWER_OFF_TABLE,   /* offset from tmds power */
111 };
112
113 enum radeon_combios_ddc {
114         DDC_NONE_DETECTED,
115         DDC_MONID,
116         DDC_DVI,
117         DDC_VGA,
118         DDC_CRT2,
119         DDC_LCD,
120         DDC_GPIO,
121 };
122
123 enum radeon_combios_connector {
124         CONNECTOR_NONE_LEGACY,
125         CONNECTOR_PROPRIETARY_LEGACY,
126         CONNECTOR_CRT_LEGACY,
127         CONNECTOR_DVI_I_LEGACY,
128         CONNECTOR_DVI_D_LEGACY,
129         CONNECTOR_CTV_LEGACY,
130         CONNECTOR_STV_LEGACY,
131         CONNECTOR_UNSUPPORTED_LEGACY
132 };
133
134 const int legacy_connector_convert[] = {
135         DRM_MODE_CONNECTOR_Unknown,
136         DRM_MODE_CONNECTOR_DVID,
137         DRM_MODE_CONNECTOR_VGA,
138         DRM_MODE_CONNECTOR_DVII,
139         DRM_MODE_CONNECTOR_DVID,
140         DRM_MODE_CONNECTOR_Composite,
141         DRM_MODE_CONNECTOR_SVIDEO,
142         DRM_MODE_CONNECTOR_Unknown,
143 };
144
145 static uint16_t combios_get_table_offset(struct drm_device *dev,
146                                          enum radeon_combios_table_offset table)
147 {
148         struct radeon_device *rdev = dev->dev_private;
149         int rev;
150         uint16_t offset = 0, check_offset;
151
152         switch (table) {
153                 /* absolute offset tables */
154         case COMBIOS_ASIC_INIT_1_TABLE:
155                 check_offset = RBIOS16(rdev->bios_header_start + 0xc);
156                 if (check_offset)
157                         offset = check_offset;
158                 break;
159         case COMBIOS_BIOS_SUPPORT_TABLE:
160                 check_offset = RBIOS16(rdev->bios_header_start + 0x14);
161                 if (check_offset)
162                         offset = check_offset;
163                 break;
164         case COMBIOS_DAC_PROGRAMMING_TABLE:
165                 check_offset = RBIOS16(rdev->bios_header_start + 0x2a);
166                 if (check_offset)
167                         offset = check_offset;
168                 break;
169         case COMBIOS_MAX_COLOR_DEPTH_TABLE:
170                 check_offset = RBIOS16(rdev->bios_header_start + 0x2c);
171                 if (check_offset)
172                         offset = check_offset;
173                 break;
174         case COMBIOS_CRTC_INFO_TABLE:
175                 check_offset = RBIOS16(rdev->bios_header_start + 0x2e);
176                 if (check_offset)
177                         offset = check_offset;
178                 break;
179         case COMBIOS_PLL_INFO_TABLE:
180                 check_offset = RBIOS16(rdev->bios_header_start + 0x30);
181                 if (check_offset)
182                         offset = check_offset;
183                 break;
184         case COMBIOS_TV_INFO_TABLE:
185                 check_offset = RBIOS16(rdev->bios_header_start + 0x32);
186                 if (check_offset)
187                         offset = check_offset;
188                 break;
189         case COMBIOS_DFP_INFO_TABLE:
190                 check_offset = RBIOS16(rdev->bios_header_start + 0x34);
191                 if (check_offset)
192                         offset = check_offset;
193                 break;
194         case COMBIOS_HW_CONFIG_INFO_TABLE:
195                 check_offset = RBIOS16(rdev->bios_header_start + 0x36);
196                 if (check_offset)
197                         offset = check_offset;
198                 break;
199         case COMBIOS_MULTIMEDIA_INFO_TABLE:
200                 check_offset = RBIOS16(rdev->bios_header_start + 0x38);
201                 if (check_offset)
202                         offset = check_offset;
203                 break;
204         case COMBIOS_TV_STD_PATCH_TABLE:
205                 check_offset = RBIOS16(rdev->bios_header_start + 0x3e);
206                 if (check_offset)
207                         offset = check_offset;
208                 break;
209         case COMBIOS_LCD_INFO_TABLE:
210                 check_offset = RBIOS16(rdev->bios_header_start + 0x40);
211                 if (check_offset)
212                         offset = check_offset;
213                 break;
214         case COMBIOS_MOBILE_INFO_TABLE:
215                 check_offset = RBIOS16(rdev->bios_header_start + 0x42);
216                 if (check_offset)
217                         offset = check_offset;
218                 break;
219         case COMBIOS_PLL_INIT_TABLE:
220                 check_offset = RBIOS16(rdev->bios_header_start + 0x46);
221                 if (check_offset)
222                         offset = check_offset;
223                 break;
224         case COMBIOS_MEM_CONFIG_TABLE:
225                 check_offset = RBIOS16(rdev->bios_header_start + 0x48);
226                 if (check_offset)
227                         offset = check_offset;
228                 break;
229         case COMBIOS_SAVE_MASK_TABLE:
230                 check_offset = RBIOS16(rdev->bios_header_start + 0x4a);
231                 if (check_offset)
232                         offset = check_offset;
233                 break;
234         case COMBIOS_HARDCODED_EDID_TABLE:
235                 check_offset = RBIOS16(rdev->bios_header_start + 0x4c);
236                 if (check_offset)
237                         offset = check_offset;
238                 break;
239         case COMBIOS_ASIC_INIT_2_TABLE:
240                 check_offset = RBIOS16(rdev->bios_header_start + 0x4e);
241                 if (check_offset)
242                         offset = check_offset;
243                 break;
244         case COMBIOS_CONNECTOR_INFO_TABLE:
245                 check_offset = RBIOS16(rdev->bios_header_start + 0x50);
246                 if (check_offset)
247                         offset = check_offset;
248                 break;
249         case COMBIOS_DYN_CLK_1_TABLE:
250                 check_offset = RBIOS16(rdev->bios_header_start + 0x52);
251                 if (check_offset)
252                         offset = check_offset;
253                 break;
254         case COMBIOS_RESERVED_MEM_TABLE:
255                 check_offset = RBIOS16(rdev->bios_header_start + 0x54);
256                 if (check_offset)
257                         offset = check_offset;
258                 break;
259         case COMBIOS_EXT_TMDS_INFO_TABLE:
260                 check_offset = RBIOS16(rdev->bios_header_start + 0x58);
261                 if (check_offset)
262                         offset = check_offset;
263                 break;
264         case COMBIOS_MEM_CLK_INFO_TABLE:
265                 check_offset = RBIOS16(rdev->bios_header_start + 0x5a);
266                 if (check_offset)
267                         offset = check_offset;
268                 break;
269         case COMBIOS_EXT_DAC_INFO_TABLE:
270                 check_offset = RBIOS16(rdev->bios_header_start + 0x5c);
271                 if (check_offset)
272                         offset = check_offset;
273                 break;
274         case COMBIOS_MISC_INFO_TABLE:
275                 check_offset = RBIOS16(rdev->bios_header_start + 0x5e);
276                 if (check_offset)
277                         offset = check_offset;
278                 break;
279         case COMBIOS_CRT_INFO_TABLE:
280                 check_offset = RBIOS16(rdev->bios_header_start + 0x60);
281                 if (check_offset)
282                         offset = check_offset;
283                 break;
284         case COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE:
285                 check_offset = RBIOS16(rdev->bios_header_start + 0x62);
286                 if (check_offset)
287                         offset = check_offset;
288                 break;
289         case COMBIOS_COMPONENT_VIDEO_INFO_TABLE:
290                 check_offset = RBIOS16(rdev->bios_header_start + 0x64);
291                 if (check_offset)
292                         offset = check_offset;
293                 break;
294         case COMBIOS_FAN_SPEED_INFO_TABLE:
295                 check_offset = RBIOS16(rdev->bios_header_start + 0x66);
296                 if (check_offset)
297                         offset = check_offset;
298                 break;
299         case COMBIOS_OVERDRIVE_INFO_TABLE:
300                 check_offset = RBIOS16(rdev->bios_header_start + 0x68);
301                 if (check_offset)
302                         offset = check_offset;
303                 break;
304         case COMBIOS_OEM_INFO_TABLE:
305                 check_offset = RBIOS16(rdev->bios_header_start + 0x6a);
306                 if (check_offset)
307                         offset = check_offset;
308                 break;
309         case COMBIOS_DYN_CLK_2_TABLE:
310                 check_offset = RBIOS16(rdev->bios_header_start + 0x6c);
311                 if (check_offset)
312                         offset = check_offset;
313                 break;
314         case COMBIOS_POWER_CONNECTOR_INFO_TABLE:
315                 check_offset = RBIOS16(rdev->bios_header_start + 0x6e);
316                 if (check_offset)
317                         offset = check_offset;
318                 break;
319         case COMBIOS_I2C_INFO_TABLE:
320                 check_offset = RBIOS16(rdev->bios_header_start + 0x70);
321                 if (check_offset)
322                         offset = check_offset;
323                 break;
324                 /* relative offset tables */
325         case COMBIOS_ASIC_INIT_3_TABLE: /* offset from misc info */
326                 check_offset =
327                     combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
328                 if (check_offset) {
329                         rev = RBIOS8(check_offset);
330                         if (rev > 0) {
331                                 check_offset = RBIOS16(check_offset + 0x3);
332                                 if (check_offset)
333                                         offset = check_offset;
334                         }
335                 }
336                 break;
337         case COMBIOS_ASIC_INIT_4_TABLE: /* offset from misc info */
338                 check_offset =
339                     combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
340                 if (check_offset) {
341                         rev = RBIOS8(check_offset);
342                         if (rev > 0) {
343                                 check_offset = RBIOS16(check_offset + 0x5);
344                                 if (check_offset)
345                                         offset = check_offset;
346                         }
347                 }
348                 break;
349         case COMBIOS_DETECTED_MEM_TABLE:        /* offset from misc info */
350                 check_offset =
351                     combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
352                 if (check_offset) {
353                         rev = RBIOS8(check_offset);
354                         if (rev > 0) {
355                                 check_offset = RBIOS16(check_offset + 0x7);
356                                 if (check_offset)
357                                         offset = check_offset;
358                         }
359                 }
360                 break;
361         case COMBIOS_ASIC_INIT_5_TABLE: /* offset from misc info */
362                 check_offset =
363                     combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
364                 if (check_offset) {
365                         rev = RBIOS8(check_offset);
366                         if (rev == 2) {
367                                 check_offset = RBIOS16(check_offset + 0x9);
368                                 if (check_offset)
369                                         offset = check_offset;
370                         }
371                 }
372                 break;
373         case COMBIOS_RAM_RESET_TABLE:   /* offset from mem config */
374                 check_offset =
375                     combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
376                 if (check_offset) {
377                         while (RBIOS8(check_offset++));
378                         check_offset += 2;
379                         if (check_offset)
380                                 offset = check_offset;
381                 }
382                 break;
383         case COMBIOS_POWERPLAY_INFO_TABLE:      /* offset from mobile info */
384                 check_offset =
385                     combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
386                 if (check_offset) {
387                         check_offset = RBIOS16(check_offset + 0x11);
388                         if (check_offset)
389                                 offset = check_offset;
390                 }
391                 break;
392         case COMBIOS_GPIO_INFO_TABLE:   /* offset from mobile info */
393                 check_offset =
394                     combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
395                 if (check_offset) {
396                         check_offset = RBIOS16(check_offset + 0x13);
397                         if (check_offset)
398                                 offset = check_offset;
399                 }
400                 break;
401         case COMBIOS_LCD_DDC_INFO_TABLE:        /* offset from mobile info */
402                 check_offset =
403                     combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
404                 if (check_offset) {
405                         check_offset = RBIOS16(check_offset + 0x15);
406                         if (check_offset)
407                                 offset = check_offset;
408                 }
409                 break;
410         case COMBIOS_TMDS_POWER_TABLE:  /* offset from mobile info */
411                 check_offset =
412                     combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
413                 if (check_offset) {
414                         check_offset = RBIOS16(check_offset + 0x17);
415                         if (check_offset)
416                                 offset = check_offset;
417                 }
418                 break;
419         case COMBIOS_TMDS_POWER_ON_TABLE:       /* offset from tmds power */
420                 check_offset =
421                     combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
422                 if (check_offset) {
423                         check_offset = RBIOS16(check_offset + 0x2);
424                         if (check_offset)
425                                 offset = check_offset;
426                 }
427                 break;
428         case COMBIOS_TMDS_POWER_OFF_TABLE:      /* offset from tmds power */
429                 check_offset =
430                     combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
431                 if (check_offset) {
432                         check_offset = RBIOS16(check_offset + 0x4);
433                         if (check_offset)
434                                 offset = check_offset;
435                 }
436                 break;
437         default:
438                 break;
439         }
440
441         return offset;
442
443 }
444
445 struct radeon_i2c_bus_rec combios_setup_i2c_bus(int ddc_line)
446 {
447         struct radeon_i2c_bus_rec i2c;
448
449         i2c.mask_clk_mask = RADEON_GPIO_EN_1;
450         i2c.mask_data_mask = RADEON_GPIO_EN_0;
451         i2c.a_clk_mask = RADEON_GPIO_A_1;
452         i2c.a_data_mask = RADEON_GPIO_A_0;
453         i2c.put_clk_mask = RADEON_GPIO_EN_1;
454         i2c.put_data_mask = RADEON_GPIO_EN_0;
455         i2c.get_clk_mask = RADEON_GPIO_Y_1;
456         i2c.get_data_mask = RADEON_GPIO_Y_0;
457         if ((ddc_line == RADEON_LCD_GPIO_MASK) ||
458             (ddc_line == RADEON_MDGPIO_EN_REG)) {
459                 i2c.mask_clk_reg = ddc_line;
460                 i2c.mask_data_reg = ddc_line;
461                 i2c.a_clk_reg = ddc_line;
462                 i2c.a_data_reg = ddc_line;
463                 i2c.put_clk_reg = ddc_line;
464                 i2c.put_data_reg = ddc_line;
465                 i2c.get_clk_reg = ddc_line + 4;
466                 i2c.get_data_reg = ddc_line + 4;
467         } else {
468                 i2c.mask_clk_reg = ddc_line;
469                 i2c.mask_data_reg = ddc_line;
470                 i2c.a_clk_reg = ddc_line;
471                 i2c.a_data_reg = ddc_line;
472                 i2c.put_clk_reg = ddc_line;
473                 i2c.put_data_reg = ddc_line;
474                 i2c.get_clk_reg = ddc_line;
475                 i2c.get_data_reg = ddc_line;
476         }
477
478         if (ddc_line)
479                 i2c.valid = true;
480         else
481                 i2c.valid = false;
482
483         return i2c;
484 }
485
486 bool radeon_combios_get_clock_info(struct drm_device *dev)
487 {
488         struct radeon_device *rdev = dev->dev_private;
489         uint16_t pll_info;
490         struct radeon_pll *p1pll = &rdev->clock.p1pll;
491         struct radeon_pll *p2pll = &rdev->clock.p2pll;
492         struct radeon_pll *spll = &rdev->clock.spll;
493         struct radeon_pll *mpll = &rdev->clock.mpll;
494         int8_t rev;
495         uint16_t sclk, mclk;
496
497         if (rdev->bios == NULL)
498                 return NULL;
499
500         pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
501         if (pll_info) {
502                 rev = RBIOS8(pll_info);
503
504                 /* pixel clocks */
505                 p1pll->reference_freq = RBIOS16(pll_info + 0xe);
506                 p1pll->reference_div = RBIOS16(pll_info + 0x10);
507                 p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
508                 p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
509
510                 if (rev > 9) {
511                         p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
512                         p1pll->pll_in_max = RBIOS32(pll_info + 0x3a);
513                 } else {
514                         p1pll->pll_in_min = 40;
515                         p1pll->pll_in_max = 500;
516                 }
517                 *p2pll = *p1pll;
518
519                 /* system clock */
520                 spll->reference_freq = RBIOS16(pll_info + 0x1a);
521                 spll->reference_div = RBIOS16(pll_info + 0x1c);
522                 spll->pll_out_min = RBIOS32(pll_info + 0x1e);
523                 spll->pll_out_max = RBIOS32(pll_info + 0x22);
524
525                 if (rev > 10) {
526                         spll->pll_in_min = RBIOS32(pll_info + 0x48);
527                         spll->pll_in_max = RBIOS32(pll_info + 0x4c);
528                 } else {
529                         /* ??? */
530                         spll->pll_in_min = 40;
531                         spll->pll_in_max = 500;
532                 }
533
534                 /* memory clock */
535                 mpll->reference_freq = RBIOS16(pll_info + 0x26);
536                 mpll->reference_div = RBIOS16(pll_info + 0x28);
537                 mpll->pll_out_min = RBIOS32(pll_info + 0x2a);
538                 mpll->pll_out_max = RBIOS32(pll_info + 0x2e);
539
540                 if (rev > 10) {
541                         mpll->pll_in_min = RBIOS32(pll_info + 0x5a);
542                         mpll->pll_in_max = RBIOS32(pll_info + 0x5e);
543                 } else {
544                         /* ??? */
545                         mpll->pll_in_min = 40;
546                         mpll->pll_in_max = 500;
547                 }
548
549                 /* default sclk/mclk */
550                 sclk = RBIOS16(pll_info + 0xa);
551                 mclk = RBIOS16(pll_info + 0x8);
552                 if (sclk == 0)
553                         sclk = 200 * 100;
554                 if (mclk == 0)
555                         mclk = 200 * 100;
556
557                 rdev->clock.default_sclk = sclk;
558                 rdev->clock.default_mclk = mclk;
559
560                 return true;
561         }
562         return false;
563 }
564
565 struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
566                                                                        radeon_encoder
567                                                                        *encoder)
568 {
569         struct drm_device *dev = encoder->base.dev;
570         struct radeon_device *rdev = dev->dev_private;
571         uint16_t dac_info;
572         uint8_t rev, bg, dac;
573         struct radeon_encoder_primary_dac *p_dac = NULL;
574
575         if (rdev->bios == NULL)
576                 return NULL;
577
578         /* check CRT table */
579         dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
580         if (dac_info) {
581                 p_dac =
582                     kzalloc(sizeof(struct radeon_encoder_primary_dac),
583                             GFP_KERNEL);
584
585                 if (!p_dac)
586                         return NULL;
587
588                 rev = RBIOS8(dac_info) & 0x3;
589                 if (rev < 2) {
590                         bg = RBIOS8(dac_info + 0x2) & 0xf;
591                         dac = (RBIOS8(dac_info + 0x2) >> 4) & 0xf;
592                         p_dac->ps2_pdac_adj = (bg << 8) | (dac);
593                 } else {
594                         bg = RBIOS8(dac_info + 0x2) & 0xf;
595                         dac = RBIOS8(dac_info + 0x3) & 0xf;
596                         p_dac->ps2_pdac_adj = (bg << 8) | (dac);
597                 }
598
599         }
600
601         return p_dac;
602 }
603
604 static enum radeon_tv_std
605 radeon_combios_get_tv_info(struct radeon_encoder *encoder)
606 {
607         struct drm_device *dev = encoder->base.dev;
608         struct radeon_device *rdev = dev->dev_private;
609         uint16_t tv_info;
610         enum radeon_tv_std tv_std = TV_STD_NTSC;
611
612         tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
613         if (tv_info) {
614                 if (RBIOS8(tv_info + 6) == 'T') {
615                         switch (RBIOS8(tv_info + 7) & 0xf) {
616                         case 1:
617                                 tv_std = TV_STD_NTSC;
618                                 DRM_INFO("Default TV standard: NTSC\n");
619                                 break;
620                         case 2:
621                                 tv_std = TV_STD_PAL;
622                                 DRM_INFO("Default TV standard: PAL\n");
623                                 break;
624                         case 3:
625                                 tv_std = TV_STD_PAL_M;
626                                 DRM_INFO("Default TV standard: PAL-M\n");
627                                 break;
628                         case 4:
629                                 tv_std = TV_STD_PAL_60;
630                                 DRM_INFO("Default TV standard: PAL-60\n");
631                                 break;
632                         case 5:
633                                 tv_std = TV_STD_NTSC_J;
634                                 DRM_INFO("Default TV standard: NTSC-J\n");
635                                 break;
636                         case 6:
637                                 tv_std = TV_STD_SCART_PAL;
638                                 DRM_INFO("Default TV standard: SCART-PAL\n");
639                                 break;
640                         default:
641                                 tv_std = TV_STD_NTSC;
642                                 DRM_INFO
643                                     ("Unknown TV standard; defaulting to NTSC\n");
644                                 break;
645                         }
646
647                         switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
648                         case 0:
649                                 DRM_INFO("29.498928713 MHz TV ref clk\n");
650                                 break;
651                         case 1:
652                                 DRM_INFO("28.636360000 MHz TV ref clk\n");
653                                 break;
654                         case 2:
655                                 DRM_INFO("14.318180000 MHz TV ref clk\n");
656                                 break;
657                         case 3:
658                                 DRM_INFO("27.000000000 MHz TV ref clk\n");
659                                 break;
660                         default:
661                                 break;
662                         }
663                 }
664         }
665         return tv_std;
666 }
667
668 static const uint32_t default_tvdac_adj[CHIP_LAST] = {
669         0x00000000,             /* r100  */
670         0x00280000,             /* rv100 */
671         0x00000000,             /* rs100 */
672         0x00880000,             /* rv200 */
673         0x00000000,             /* rs200 */
674         0x00000000,             /* r200  */
675         0x00770000,             /* rv250 */
676         0x00290000,             /* rs300 */
677         0x00560000,             /* rv280 */
678         0x00780000,             /* r300  */
679         0x00770000,             /* r350  */
680         0x00780000,             /* rv350 */
681         0x00780000,             /* rv380 */
682         0x01080000,             /* r420  */
683         0x01080000,             /* r423  */
684         0x01080000,             /* rv410 */
685         0x00780000,             /* rs400 */
686         0x00780000,             /* rs480 */
687 };
688
689 static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
690                                                      struct radeon_encoder_tv_dac *tv_dac)
691 {
692         tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
693         if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
694                 tv_dac->ps2_tvdac_adj = 0x00880000;
695         tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
696         tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
697         return;
698 }
699
700 struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
701                                                              radeon_encoder
702                                                              *encoder)
703 {
704         struct drm_device *dev = encoder->base.dev;
705         struct radeon_device *rdev = dev->dev_private;
706         uint16_t dac_info;
707         uint8_t rev, bg, dac;
708         struct radeon_encoder_tv_dac *tv_dac = NULL;
709         int found = 0;
710
711         tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
712         if (!tv_dac)
713                 return NULL;
714
715         if (rdev->bios == NULL)
716                 goto out;
717
718         /* first check TV table */
719         dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
720         if (dac_info) {
721                 rev = RBIOS8(dac_info + 0x3);
722                 if (rev > 4) {
723                         bg = RBIOS8(dac_info + 0xc) & 0xf;
724                         dac = RBIOS8(dac_info + 0xd) & 0xf;
725                         tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
726
727                         bg = RBIOS8(dac_info + 0xe) & 0xf;
728                         dac = RBIOS8(dac_info + 0xf) & 0xf;
729                         tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
730
731                         bg = RBIOS8(dac_info + 0x10) & 0xf;
732                         dac = RBIOS8(dac_info + 0x11) & 0xf;
733                         tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
734                         found = 1;
735                 } else if (rev > 1) {
736                         bg = RBIOS8(dac_info + 0xc) & 0xf;
737                         dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
738                         tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
739
740                         bg = RBIOS8(dac_info + 0xd) & 0xf;
741                         dac = (RBIOS8(dac_info + 0xd) >> 4) & 0xf;
742                         tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
743
744                         bg = RBIOS8(dac_info + 0xe) & 0xf;
745                         dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
746                         tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
747                         found = 1;
748                 }
749                 tv_dac->tv_std = radeon_combios_get_tv_info(encoder);
750         }
751         if (!found) {
752                 /* then check CRT table */
753                 dac_info =
754                     combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
755                 if (dac_info) {
756                         rev = RBIOS8(dac_info) & 0x3;
757                         if (rev < 2) {
758                                 bg = RBIOS8(dac_info + 0x3) & 0xf;
759                                 dac = (RBIOS8(dac_info + 0x3) >> 4) & 0xf;
760                                 tv_dac->ps2_tvdac_adj =
761                                     (bg << 16) | (dac << 20);
762                                 tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
763                                 tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
764                                 found = 1;
765                         } else {
766                                 bg = RBIOS8(dac_info + 0x4) & 0xf;
767                                 dac = RBIOS8(dac_info + 0x5) & 0xf;
768                                 tv_dac->ps2_tvdac_adj =
769                                     (bg << 16) | (dac << 20);
770                                 tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
771                                 tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
772                                 found = 1;
773                         }
774                 } else {
775                         DRM_INFO("No TV DAC info found in BIOS\n");
776                 }
777         }
778
779 out:
780         if (!found) /* fallback to defaults */
781                 radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
782
783         return tv_dac;
784 }
785
786 static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
787                                                                          radeon_device
788                                                                          *rdev)
789 {
790         struct radeon_encoder_lvds *lvds = NULL;
791         uint32_t fp_vert_stretch, fp_horz_stretch;
792         uint32_t ppll_div_sel, ppll_val;
793         uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
794
795         lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
796
797         if (!lvds)
798                 return NULL;
799
800         fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH);
801         fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH);
802
803         /* These should be fail-safe defaults, fingers crossed */
804         lvds->panel_pwr_delay = 200;
805         lvds->panel_vcc_delay = 2000;
806
807         lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
808         lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf;
809         lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf;
810
811         if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
812                 lvds->native_mode.vdisplay =
813                     ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
814                      RADEON_VERT_PANEL_SHIFT) + 1;
815         else
816                 lvds->native_mode.vdisplay =
817                     (RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;
818
819         if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
820                 lvds->native_mode.hdisplay =
821                     (((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
822                       RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
823         else
824                 lvds->native_mode.hdisplay =
825                     ((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;
826
827         if ((lvds->native_mode.hdisplay < 640) ||
828             (lvds->native_mode.vdisplay < 480)) {
829                 lvds->native_mode.hdisplay = 640;
830                 lvds->native_mode.vdisplay = 480;
831         }
832
833         ppll_div_sel = RREG8(RADEON_CLOCK_CNTL_INDEX + 1) & 0x3;
834         ppll_val = RREG32_PLL(RADEON_PPLL_DIV_0 + ppll_div_sel);
835         if ((ppll_val & 0x000707ff) == 0x1bb)
836                 lvds->use_bios_dividers = false;
837         else {
838                 lvds->panel_ref_divider =
839                     RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
840                 lvds->panel_post_divider = (ppll_val >> 16) & 0x7;
841                 lvds->panel_fb_divider = ppll_val & 0x7ff;
842
843                 if ((lvds->panel_ref_divider != 0) &&
844                     (lvds->panel_fb_divider > 3))
845                         lvds->use_bios_dividers = true;
846         }
847         lvds->panel_vcc_delay = 200;
848
849         DRM_INFO("Panel info derived from registers\n");
850         DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
851                  lvds->native_mode.vdisplay);
852
853         return lvds;
854 }
855
856 struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
857                                                          *encoder)
858 {
859         struct drm_device *dev = encoder->base.dev;
860         struct radeon_device *rdev = dev->dev_private;
861         uint16_t lcd_info;
862         uint32_t panel_setup;
863         char stmp[30];
864         int tmp, i;
865         struct radeon_encoder_lvds *lvds = NULL;
866
867         if (rdev->bios == NULL) {
868                 lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
869                 goto out;
870         }
871
872         lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
873
874         if (lcd_info) {
875                 lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
876
877                 if (!lvds)
878                         return NULL;
879
880                 for (i = 0; i < 24; i++)
881                         stmp[i] = RBIOS8(lcd_info + i + 1);
882                 stmp[24] = 0;
883
884                 DRM_INFO("Panel ID String: %s\n", stmp);
885
886                 lvds->native_mode.hdisplay = RBIOS16(lcd_info + 0x19);
887                 lvds->native_mode.vdisplay = RBIOS16(lcd_info + 0x1b);
888
889                 DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
890                          lvds->native_mode.vdisplay);
891
892                 lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
893                 if (lvds->panel_vcc_delay > 2000 || lvds->panel_vcc_delay < 0)
894                         lvds->panel_vcc_delay = 2000;
895
896                 lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24);
897                 lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf;
898                 lvds->panel_blon_delay = (RBIOS16(lcd_info + 0x38) >> 4) & 0xf;
899
900                 lvds->panel_ref_divider = RBIOS16(lcd_info + 0x2e);
901                 lvds->panel_post_divider = RBIOS8(lcd_info + 0x30);
902                 lvds->panel_fb_divider = RBIOS16(lcd_info + 0x31);
903                 if ((lvds->panel_ref_divider != 0) &&
904                     (lvds->panel_fb_divider > 3))
905                         lvds->use_bios_dividers = true;
906
907                 panel_setup = RBIOS32(lcd_info + 0x39);
908                 lvds->lvds_gen_cntl = 0xff00;
909                 if (panel_setup & 0x1)
910                         lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
911
912                 if ((panel_setup >> 4) & 0x1)
913                         lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
914
915                 switch ((panel_setup >> 8) & 0x7) {
916                 case 0:
917                         lvds->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
918                         break;
919                 case 1:
920                         lvds->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
921                         break;
922                 case 2:
923                         lvds->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
924                         break;
925                 default:
926                         break;
927                 }
928
929                 if ((panel_setup >> 16) & 0x1)
930                         lvds->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
931
932                 if ((panel_setup >> 17) & 0x1)
933                         lvds->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
934
935                 if ((panel_setup >> 18) & 0x1)
936                         lvds->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
937
938                 if ((panel_setup >> 23) & 0x1)
939                         lvds->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
940
941                 lvds->lvds_gen_cntl |= (panel_setup & 0xf0000000);
942
943                 for (i = 0; i < 32; i++) {
944                         tmp = RBIOS16(lcd_info + 64 + i * 2);
945                         if (tmp == 0)
946                                 break;
947
948                         if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
949                             (RBIOS16(tmp + 2) ==
950                              lvds->native_mode.vdisplay)) {
951                                 lvds->native_mode.htotal = RBIOS16(tmp + 17) * 8;
952                                 lvds->native_mode.hsync_start = RBIOS16(tmp + 21) * 8;
953                                 lvds->native_mode.hsync_end = (RBIOS8(tmp + 23) +
954                                                                RBIOS16(tmp + 21)) * 8;
955
956                                 lvds->native_mode.vtotal = RBIOS16(tmp + 24);
957                                 lvds->native_mode.vsync_start = RBIOS16(tmp + 28) & 0x7ff;
958                                 lvds->native_mode.vsync_end =
959                                         ((RBIOS16(tmp + 28) & 0xf800) >> 11) +
960                                         (RBIOS16(tmp + 28) & 0x7ff);
961
962                                 lvds->native_mode.clock = RBIOS16(tmp + 9) * 10;
963                                 lvds->native_mode.flags = 0;
964                                 /* set crtc values */
965                                 drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
966
967                         }
968                 }
969         } else {
970                 DRM_INFO("No panel info found in BIOS\n");
971                 lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
972         }
973 out:
974         if (lvds)
975                 encoder->native_mode = lvds->native_mode;
976         return lvds;
977 }
978
979 static const struct radeon_tmds_pll default_tmds_pll[CHIP_LAST][4] = {
980         {{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_R100  */
981         {{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_RV100 */
982         {{0, 0}, {0, 0}, {0, 0}, {0, 0}},       /* CHIP_RS100 */
983         {{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_RV200 */
984         {{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_RS200 */
985         {{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_R200  */
986         {{15500, 0x81b}, {0xffffffff, 0x83f}, {0, 0}, {0, 0}},  /* CHIP_RV250 */
987         {{0, 0}, {0, 0}, {0, 0}, {0, 0}},       /* CHIP_RS300 */
988         {{13000, 0x400f4}, {15000, 0x400f7}, {0xffffffff, 0x40111}, {0, 0}},    /* CHIP_RV280 */
989         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_R300  */
990         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_R350  */
991         {{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},      /* CHIP_RV350 */
992         {{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},      /* CHIP_RV380 */
993         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_R420  */
994         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_R423  */
995         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_RV410 */
996         {{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},      /* CHIP_RS400 */
997         {{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},      /* CHIP_RS480 */
998 };
999
1000 bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
1001                                             struct radeon_encoder_int_tmds *tmds)
1002 {
1003         struct drm_device *dev = encoder->base.dev;
1004         struct radeon_device *rdev = dev->dev_private;
1005         int i;
1006
1007         for (i = 0; i < 4; i++) {
1008                 tmds->tmds_pll[i].value =
1009                         default_tmds_pll[rdev->family][i].value;
1010                 tmds->tmds_pll[i].freq = default_tmds_pll[rdev->family][i].freq;
1011         }
1012
1013         return true;
1014 }
1015
1016 bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
1017                                               struct radeon_encoder_int_tmds *tmds)
1018 {
1019         struct drm_device *dev = encoder->base.dev;
1020         struct radeon_device *rdev = dev->dev_private;
1021         uint16_t tmds_info;
1022         int i, n;
1023         uint8_t ver;
1024
1025         if (rdev->bios == NULL)
1026                 return false;
1027
1028         tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1029
1030         if (tmds_info) {
1031
1032                 ver = RBIOS8(tmds_info);
1033                 DRM_INFO("DFP table revision: %d\n", ver);
1034                 if (ver == 3) {
1035                         n = RBIOS8(tmds_info + 5) + 1;
1036                         if (n > 4)
1037                                 n = 4;
1038                         for (i = 0; i < n; i++) {
1039                                 tmds->tmds_pll[i].value =
1040                                     RBIOS32(tmds_info + i * 10 + 0x08);
1041                                 tmds->tmds_pll[i].freq =
1042                                     RBIOS16(tmds_info + i * 10 + 0x10);
1043                                 DRM_DEBUG("TMDS PLL From COMBIOS %u %x\n",
1044                                           tmds->tmds_pll[i].freq,
1045                                           tmds->tmds_pll[i].value);
1046                         }
1047                 } else if (ver == 4) {
1048                         int stride = 0;
1049                         n = RBIOS8(tmds_info + 5) + 1;
1050                         if (n > 4)
1051                                 n = 4;
1052                         for (i = 0; i < n; i++) {
1053                                 tmds->tmds_pll[i].value =
1054                                     RBIOS32(tmds_info + stride + 0x08);
1055                                 tmds->tmds_pll[i].freq =
1056                                     RBIOS16(tmds_info + stride + 0x10);
1057                                 if (i == 0)
1058                                         stride += 10;
1059                                 else
1060                                         stride += 6;
1061                                 DRM_DEBUG("TMDS PLL From COMBIOS %u %x\n",
1062                                           tmds->tmds_pll[i].freq,
1063                                           tmds->tmds_pll[i].value);
1064                         }
1065                 }
1066         } else
1067                 DRM_INFO("No TMDS info found in BIOS\n");
1068         return true;
1069 }
1070
1071 struct radeon_encoder_int_tmds *radeon_combios_get_tmds_info(struct radeon_encoder *encoder)
1072 {
1073         struct radeon_encoder_int_tmds *tmds = NULL;
1074         bool ret;
1075
1076         tmds = kzalloc(sizeof(struct radeon_encoder_int_tmds), GFP_KERNEL);
1077
1078         if (!tmds)
1079                 return NULL;
1080
1081         ret = radeon_legacy_get_tmds_info_from_combios(encoder, tmds);
1082         if (ret == false)
1083                 radeon_legacy_get_tmds_info_from_table(encoder, tmds);
1084
1085         return tmds;
1086 }
1087
1088 void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder)
1089 {
1090         struct drm_device *dev = encoder->base.dev;
1091         struct radeon_device *rdev = dev->dev_private;
1092         uint16_t ext_tmds_info;
1093         uint8_t ver;
1094
1095         if (rdev->bios == NULL)
1096                 return;
1097
1098         ext_tmds_info =
1099             combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
1100         if (ext_tmds_info) {
1101                 ver = RBIOS8(ext_tmds_info);
1102                 DRM_INFO("External TMDS Table revision: %d\n", ver);
1103                 // TODO
1104         }
1105 }
1106
1107 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
1108 {
1109         struct radeon_device *rdev = dev->dev_private;
1110         struct radeon_i2c_bus_rec ddc_i2c;
1111
1112         rdev->mode_info.connector_table = radeon_connector_table;
1113         if (rdev->mode_info.connector_table == CT_NONE) {
1114 #ifdef CONFIG_PPC_PMAC
1115                 if (machine_is_compatible("PowerBook3,3")) {
1116                         /* powerbook with VGA */
1117                         rdev->mode_info.connector_table = CT_POWERBOOK_VGA;
1118                 } else if (machine_is_compatible("PowerBook3,4") ||
1119                            machine_is_compatible("PowerBook3,5")) {
1120                         /* powerbook with internal tmds */
1121                         rdev->mode_info.connector_table = CT_POWERBOOK_INTERNAL;
1122                 } else if (machine_is_compatible("PowerBook5,1") ||
1123                            machine_is_compatible("PowerBook5,2") ||
1124                            machine_is_compatible("PowerBook5,3") ||
1125                            machine_is_compatible("PowerBook5,4") ||
1126                            machine_is_compatible("PowerBook5,5")) {
1127                         /* powerbook with external single link tmds (sil164) */
1128                         rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1129                 } else if (machine_is_compatible("PowerBook5,6")) {
1130                         /* powerbook with external dual or single link tmds */
1131                         rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1132                 } else if (machine_is_compatible("PowerBook5,7") ||
1133                            machine_is_compatible("PowerBook5,8") ||
1134                            machine_is_compatible("PowerBook5,9")) {
1135                         /* PowerBook6,2 ? */
1136                         /* powerbook with external dual link tmds (sil1178?) */
1137                         rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1138                 } else if (machine_is_compatible("PowerBook4,1") ||
1139                            machine_is_compatible("PowerBook4,2") ||
1140                            machine_is_compatible("PowerBook4,3") ||
1141                            machine_is_compatible("PowerBook6,3") ||
1142                            machine_is_compatible("PowerBook6,5") ||
1143                            machine_is_compatible("PowerBook6,7")) {
1144                         /* ibook */
1145                         rdev->mode_info.connector_table = CT_IBOOK;
1146                 } else if (machine_is_compatible("PowerMac4,4")) {
1147                         /* emac */
1148                         rdev->mode_info.connector_table = CT_EMAC;
1149                 } else if (machine_is_compatible("PowerMac10,1")) {
1150                         /* mini with internal tmds */
1151                         rdev->mode_info.connector_table = CT_MINI_INTERNAL;
1152                 } else if (machine_is_compatible("PowerMac10,2")) {
1153                         /* mini with external tmds */
1154                         rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
1155                 } else if (machine_is_compatible("PowerMac12,1")) {
1156                         /* PowerMac8,1 ? */
1157                         /* imac g5 isight */
1158                         rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
1159                 } else
1160 #endif /* CONFIG_PPC_PMAC */
1161                         rdev->mode_info.connector_table = CT_GENERIC;
1162         }
1163
1164         switch (rdev->mode_info.connector_table) {
1165         case CT_GENERIC:
1166                 DRM_INFO("Connector Table: %d (generic)\n",
1167                          rdev->mode_info.connector_table);
1168                 /* these are the most common settings */
1169                 if (rdev->flags & RADEON_SINGLE_CRTC) {
1170                         /* VGA - primary dac */
1171                         ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1172                         radeon_add_legacy_encoder(dev,
1173                                                   radeon_get_encoder_id(dev,
1174                                                                         ATOM_DEVICE_CRT1_SUPPORT,
1175                                                                         1),
1176                                                   ATOM_DEVICE_CRT1_SUPPORT);
1177                         radeon_add_legacy_connector(dev, 0,
1178                                                     ATOM_DEVICE_CRT1_SUPPORT,
1179                                                     DRM_MODE_CONNECTOR_VGA,
1180                                                     &ddc_i2c,
1181                                                     CONNECTOR_OBJECT_ID_VGA);
1182                 } else if (rdev->flags & RADEON_IS_MOBILITY) {
1183                         /* LVDS */
1184                         ddc_i2c = combios_setup_i2c_bus(RADEON_LCD_GPIO_MASK);
1185                         radeon_add_legacy_encoder(dev,
1186                                                   radeon_get_encoder_id(dev,
1187                                                                         ATOM_DEVICE_LCD1_SUPPORT,
1188                                                                         0),
1189                                                   ATOM_DEVICE_LCD1_SUPPORT);
1190                         radeon_add_legacy_connector(dev, 0,
1191                                                     ATOM_DEVICE_LCD1_SUPPORT,
1192                                                     DRM_MODE_CONNECTOR_LVDS,
1193                                                     &ddc_i2c,
1194                                                     CONNECTOR_OBJECT_ID_LVDS);
1195
1196                         /* VGA - primary dac */
1197                         ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1198                         radeon_add_legacy_encoder(dev,
1199                                                   radeon_get_encoder_id(dev,
1200                                                                         ATOM_DEVICE_CRT1_SUPPORT,
1201                                                                         1),
1202                                                   ATOM_DEVICE_CRT1_SUPPORT);
1203                         radeon_add_legacy_connector(dev, 1,
1204                                                     ATOM_DEVICE_CRT1_SUPPORT,
1205                                                     DRM_MODE_CONNECTOR_VGA,
1206                                                     &ddc_i2c,
1207                                                     CONNECTOR_OBJECT_ID_VGA);
1208                 } else {
1209                         /* DVI-I - tv dac, int tmds */
1210                         ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1211                         radeon_add_legacy_encoder(dev,
1212                                                   radeon_get_encoder_id(dev,
1213                                                                         ATOM_DEVICE_DFP1_SUPPORT,
1214                                                                         0),
1215                                                   ATOM_DEVICE_DFP1_SUPPORT);
1216                         radeon_add_legacy_encoder(dev,
1217                                                   radeon_get_encoder_id(dev,
1218                                                                         ATOM_DEVICE_CRT2_SUPPORT,
1219                                                                         2),
1220                                                   ATOM_DEVICE_CRT2_SUPPORT);
1221                         radeon_add_legacy_connector(dev, 0,
1222                                                     ATOM_DEVICE_DFP1_SUPPORT |
1223                                                     ATOM_DEVICE_CRT2_SUPPORT,
1224                                                     DRM_MODE_CONNECTOR_DVII,
1225                                                     &ddc_i2c,
1226                                                     CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I);
1227
1228                         /* VGA - primary dac */
1229                         ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1230                         radeon_add_legacy_encoder(dev,
1231                                                   radeon_get_encoder_id(dev,
1232                                                                         ATOM_DEVICE_CRT1_SUPPORT,
1233                                                                         1),
1234                                                   ATOM_DEVICE_CRT1_SUPPORT);
1235                         radeon_add_legacy_connector(dev, 1,
1236                                                     ATOM_DEVICE_CRT1_SUPPORT,
1237                                                     DRM_MODE_CONNECTOR_VGA,
1238                                                     &ddc_i2c,
1239                                                     CONNECTOR_OBJECT_ID_VGA);
1240                 }
1241
1242                 if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1243                         /* TV - tv dac */
1244                         radeon_add_legacy_encoder(dev,
1245                                                   radeon_get_encoder_id(dev,
1246                                                                         ATOM_DEVICE_TV1_SUPPORT,
1247                                                                         2),
1248                                                   ATOM_DEVICE_TV1_SUPPORT);
1249                         radeon_add_legacy_connector(dev, 2,
1250                                                     ATOM_DEVICE_TV1_SUPPORT,
1251                                                     DRM_MODE_CONNECTOR_SVIDEO,
1252                                                     &ddc_i2c,
1253                                                     CONNECTOR_OBJECT_ID_SVIDEO);
1254                 }
1255                 break;
1256         case CT_IBOOK:
1257                 DRM_INFO("Connector Table: %d (ibook)\n",
1258                          rdev->mode_info.connector_table);
1259                 /* LVDS */
1260                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1261                 radeon_add_legacy_encoder(dev,
1262                                           radeon_get_encoder_id(dev,
1263                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1264                                                                 0),
1265                                           ATOM_DEVICE_LCD1_SUPPORT);
1266                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1267                                             DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1268                                             CONNECTOR_OBJECT_ID_LVDS);
1269                 /* VGA - TV DAC */
1270                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1271                 radeon_add_legacy_encoder(dev,
1272                                           radeon_get_encoder_id(dev,
1273                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1274                                                                 2),
1275                                           ATOM_DEVICE_CRT2_SUPPORT);
1276                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1277                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1278                                             CONNECTOR_OBJECT_ID_VGA);
1279                 /* TV - TV DAC */
1280                 radeon_add_legacy_encoder(dev,
1281                                           radeon_get_encoder_id(dev,
1282                                                                 ATOM_DEVICE_TV1_SUPPORT,
1283                                                                 2),
1284                                           ATOM_DEVICE_TV1_SUPPORT);
1285                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1286                                             DRM_MODE_CONNECTOR_SVIDEO,
1287                                             &ddc_i2c,
1288                                             CONNECTOR_OBJECT_ID_SVIDEO);
1289                 break;
1290         case CT_POWERBOOK_EXTERNAL:
1291                 DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
1292                          rdev->mode_info.connector_table);
1293                 /* LVDS */
1294                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1295                 radeon_add_legacy_encoder(dev,
1296                                           radeon_get_encoder_id(dev,
1297                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1298                                                                 0),
1299                                           ATOM_DEVICE_LCD1_SUPPORT);
1300                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1301                                             DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1302                                             CONNECTOR_OBJECT_ID_LVDS);
1303                 /* DVI-I - primary dac, ext tmds */
1304                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1305                 radeon_add_legacy_encoder(dev,
1306                                           radeon_get_encoder_id(dev,
1307                                                                 ATOM_DEVICE_DFP2_SUPPORT,
1308                                                                 0),
1309                                           ATOM_DEVICE_DFP2_SUPPORT);
1310                 radeon_add_legacy_encoder(dev,
1311                                           radeon_get_encoder_id(dev,
1312                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1313                                                                 1),
1314                                           ATOM_DEVICE_CRT1_SUPPORT);
1315                 /* XXX some are SL */
1316                 radeon_add_legacy_connector(dev, 1,
1317                                             ATOM_DEVICE_DFP2_SUPPORT |
1318                                             ATOM_DEVICE_CRT1_SUPPORT,
1319                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1320                                             CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I);
1321                 /* TV - TV DAC */
1322                 radeon_add_legacy_encoder(dev,
1323                                           radeon_get_encoder_id(dev,
1324                                                                 ATOM_DEVICE_TV1_SUPPORT,
1325                                                                 2),
1326                                           ATOM_DEVICE_TV1_SUPPORT);
1327                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1328                                             DRM_MODE_CONNECTOR_SVIDEO,
1329                                             &ddc_i2c,
1330                                             CONNECTOR_OBJECT_ID_SVIDEO);
1331                 break;
1332         case CT_POWERBOOK_INTERNAL:
1333                 DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
1334                          rdev->mode_info.connector_table);
1335                 /* LVDS */
1336                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1337                 radeon_add_legacy_encoder(dev,
1338                                           radeon_get_encoder_id(dev,
1339                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1340                                                                 0),
1341                                           ATOM_DEVICE_LCD1_SUPPORT);
1342                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1343                                             DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1344                                             CONNECTOR_OBJECT_ID_LVDS);
1345                 /* DVI-I - primary dac, int tmds */
1346                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1347                 radeon_add_legacy_encoder(dev,
1348                                           radeon_get_encoder_id(dev,
1349                                                                 ATOM_DEVICE_DFP1_SUPPORT,
1350                                                                 0),
1351                                           ATOM_DEVICE_DFP1_SUPPORT);
1352                 radeon_add_legacy_encoder(dev,
1353                                           radeon_get_encoder_id(dev,
1354                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1355                                                                 1),
1356                                           ATOM_DEVICE_CRT1_SUPPORT);
1357                 radeon_add_legacy_connector(dev, 1,
1358                                             ATOM_DEVICE_DFP1_SUPPORT |
1359                                             ATOM_DEVICE_CRT1_SUPPORT,
1360                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1361                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I);
1362                 /* TV - TV DAC */
1363                 radeon_add_legacy_encoder(dev,
1364                                           radeon_get_encoder_id(dev,
1365                                                                 ATOM_DEVICE_TV1_SUPPORT,
1366                                                                 2),
1367                                           ATOM_DEVICE_TV1_SUPPORT);
1368                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1369                                             DRM_MODE_CONNECTOR_SVIDEO,
1370                                             &ddc_i2c,
1371                                             CONNECTOR_OBJECT_ID_SVIDEO);
1372                 break;
1373         case CT_POWERBOOK_VGA:
1374                 DRM_INFO("Connector Table: %d (powerbook vga)\n",
1375                          rdev->mode_info.connector_table);
1376                 /* LVDS */
1377                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1378                 radeon_add_legacy_encoder(dev,
1379                                           radeon_get_encoder_id(dev,
1380                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1381                                                                 0),
1382                                           ATOM_DEVICE_LCD1_SUPPORT);
1383                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1384                                             DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1385                                             CONNECTOR_OBJECT_ID_LVDS);
1386                 /* VGA - primary dac */
1387                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1388                 radeon_add_legacy_encoder(dev,
1389                                           radeon_get_encoder_id(dev,
1390                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1391                                                                 1),
1392                                           ATOM_DEVICE_CRT1_SUPPORT);
1393                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
1394                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1395                                             CONNECTOR_OBJECT_ID_VGA);
1396                 /* TV - TV DAC */
1397                 radeon_add_legacy_encoder(dev,
1398                                           radeon_get_encoder_id(dev,
1399                                                                 ATOM_DEVICE_TV1_SUPPORT,
1400                                                                 2),
1401                                           ATOM_DEVICE_TV1_SUPPORT);
1402                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1403                                             DRM_MODE_CONNECTOR_SVIDEO,
1404                                             &ddc_i2c,
1405                                             CONNECTOR_OBJECT_ID_SVIDEO);
1406                 break;
1407         case CT_MINI_EXTERNAL:
1408                 DRM_INFO("Connector Table: %d (mini external tmds)\n",
1409                          rdev->mode_info.connector_table);
1410                 /* DVI-I - tv dac, ext tmds */
1411                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_CRT2_DDC);
1412                 radeon_add_legacy_encoder(dev,
1413                                           radeon_get_encoder_id(dev,
1414                                                                 ATOM_DEVICE_DFP2_SUPPORT,
1415                                                                 0),
1416                                           ATOM_DEVICE_DFP2_SUPPORT);
1417                 radeon_add_legacy_encoder(dev,
1418                                           radeon_get_encoder_id(dev,
1419                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1420                                                                 2),
1421                                           ATOM_DEVICE_CRT2_SUPPORT);
1422                 /* XXX are any DL? */
1423                 radeon_add_legacy_connector(dev, 0,
1424                                             ATOM_DEVICE_DFP2_SUPPORT |
1425                                             ATOM_DEVICE_CRT2_SUPPORT,
1426                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1427                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I);
1428                 /* TV - TV DAC */
1429                 radeon_add_legacy_encoder(dev,
1430                                           radeon_get_encoder_id(dev,
1431                                                                 ATOM_DEVICE_TV1_SUPPORT,
1432                                                                 2),
1433                                           ATOM_DEVICE_TV1_SUPPORT);
1434                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1435                                             DRM_MODE_CONNECTOR_SVIDEO,
1436                                             &ddc_i2c,
1437                                             CONNECTOR_OBJECT_ID_SVIDEO);
1438                 break;
1439         case CT_MINI_INTERNAL:
1440                 DRM_INFO("Connector Table: %d (mini internal tmds)\n",
1441                          rdev->mode_info.connector_table);
1442                 /* DVI-I - tv dac, int tmds */
1443                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_CRT2_DDC);
1444                 radeon_add_legacy_encoder(dev,
1445                                           radeon_get_encoder_id(dev,
1446                                                                 ATOM_DEVICE_DFP1_SUPPORT,
1447                                                                 0),
1448                                           ATOM_DEVICE_DFP1_SUPPORT);
1449                 radeon_add_legacy_encoder(dev,
1450                                           radeon_get_encoder_id(dev,
1451                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1452                                                                 2),
1453                                           ATOM_DEVICE_CRT2_SUPPORT);
1454                 radeon_add_legacy_connector(dev, 0,
1455                                             ATOM_DEVICE_DFP1_SUPPORT |
1456                                             ATOM_DEVICE_CRT2_SUPPORT,
1457                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1458                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I);
1459                 /* TV - TV DAC */
1460                 radeon_add_legacy_encoder(dev,
1461                                           radeon_get_encoder_id(dev,
1462                                                                 ATOM_DEVICE_TV1_SUPPORT,
1463                                                                 2),
1464                                           ATOM_DEVICE_TV1_SUPPORT);
1465                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1466                                             DRM_MODE_CONNECTOR_SVIDEO,
1467                                             &ddc_i2c,
1468                                             CONNECTOR_OBJECT_ID_SVIDEO);
1469                 break;
1470         case CT_IMAC_G5_ISIGHT:
1471                 DRM_INFO("Connector Table: %d (imac g5 isight)\n",
1472                          rdev->mode_info.connector_table);
1473                 /* DVI-D - int tmds */
1474                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_MONID);
1475                 radeon_add_legacy_encoder(dev,
1476                                           radeon_get_encoder_id(dev,
1477                                                                 ATOM_DEVICE_DFP1_SUPPORT,
1478                                                                 0),
1479                                           ATOM_DEVICE_DFP1_SUPPORT);
1480                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
1481                                             DRM_MODE_CONNECTOR_DVID, &ddc_i2c,
1482                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D);
1483                 /* VGA - tv dac */
1484                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1485                 radeon_add_legacy_encoder(dev,
1486                                           radeon_get_encoder_id(dev,
1487                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1488                                                                 2),
1489                                           ATOM_DEVICE_CRT2_SUPPORT);
1490                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1491                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1492                                             CONNECTOR_OBJECT_ID_VGA);
1493                 /* TV - TV DAC */
1494                 radeon_add_legacy_encoder(dev,
1495                                           radeon_get_encoder_id(dev,
1496                                                                 ATOM_DEVICE_TV1_SUPPORT,
1497                                                                 2),
1498                                           ATOM_DEVICE_TV1_SUPPORT);
1499                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1500                                             DRM_MODE_CONNECTOR_SVIDEO,
1501                                             &ddc_i2c,
1502                                             CONNECTOR_OBJECT_ID_SVIDEO);
1503                 break;
1504         case CT_EMAC:
1505                 DRM_INFO("Connector Table: %d (emac)\n",
1506                          rdev->mode_info.connector_table);
1507                 /* VGA - primary dac */
1508                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1509                 radeon_add_legacy_encoder(dev,
1510                                           radeon_get_encoder_id(dev,
1511                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1512                                                                 1),
1513                                           ATOM_DEVICE_CRT1_SUPPORT);
1514                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1515                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1516                                             CONNECTOR_OBJECT_ID_VGA);
1517                 /* VGA - tv dac */
1518                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_CRT2_DDC);
1519                 radeon_add_legacy_encoder(dev,
1520                                           radeon_get_encoder_id(dev,
1521                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1522                                                                 2),
1523                                           ATOM_DEVICE_CRT2_SUPPORT);
1524                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1525                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1526                                             CONNECTOR_OBJECT_ID_VGA);
1527                 /* TV - TV DAC */
1528                 radeon_add_legacy_encoder(dev,
1529                                           radeon_get_encoder_id(dev,
1530                                                                 ATOM_DEVICE_TV1_SUPPORT,
1531                                                                 2),
1532                                           ATOM_DEVICE_TV1_SUPPORT);
1533                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1534                                             DRM_MODE_CONNECTOR_SVIDEO,
1535                                             &ddc_i2c,
1536                                             CONNECTOR_OBJECT_ID_SVIDEO);
1537                 break;
1538         default:
1539                 DRM_INFO("Connector table: %d (invalid)\n",
1540                          rdev->mode_info.connector_table);
1541                 return false;
1542         }
1543
1544         radeon_link_encoder_connector(dev);
1545
1546         return true;
1547 }
1548
1549 static bool radeon_apply_legacy_quirks(struct drm_device *dev,
1550                                        int bios_index,
1551                                        enum radeon_combios_connector
1552                                        *legacy_connector,
1553                                        struct radeon_i2c_bus_rec *ddc_i2c)
1554 {
1555         struct radeon_device *rdev = dev->dev_private;
1556
1557         /* XPRESS DDC quirks */
1558         if ((rdev->family == CHIP_RS400 ||
1559              rdev->family == CHIP_RS480) &&
1560             ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
1561                 *ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_MONID);
1562         else if ((rdev->family == CHIP_RS400 ||
1563                   rdev->family == CHIP_RS480) &&
1564                  ddc_i2c->mask_clk_reg == RADEON_GPIO_MONID) {
1565                 ddc_i2c->valid = true;
1566                 ddc_i2c->mask_clk_mask = (0x20 << 8);
1567                 ddc_i2c->mask_data_mask = 0x80;
1568                 ddc_i2c->a_clk_mask = (0x20 << 8);
1569                 ddc_i2c->a_data_mask = 0x80;
1570                 ddc_i2c->put_clk_mask = (0x20 << 8);
1571                 ddc_i2c->put_data_mask = 0x80;
1572                 ddc_i2c->get_clk_mask = (0x20 << 8);
1573                 ddc_i2c->get_data_mask = 0x80;
1574                 ddc_i2c->mask_clk_reg = RADEON_GPIOPAD_MASK;
1575                 ddc_i2c->mask_data_reg = RADEON_GPIOPAD_MASK;
1576                 ddc_i2c->a_clk_reg = RADEON_GPIOPAD_A;
1577                 ddc_i2c->a_data_reg = RADEON_GPIOPAD_A;
1578                 ddc_i2c->put_clk_reg = RADEON_GPIOPAD_EN;
1579                 ddc_i2c->put_data_reg = RADEON_GPIOPAD_EN;
1580                 ddc_i2c->get_clk_reg = RADEON_LCD_GPIO_Y_REG;
1581                 ddc_i2c->get_data_reg = RADEON_LCD_GPIO_Y_REG;
1582         }
1583
1584         /* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
1585            one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
1586         if (dev->pdev->device == 0x515e &&
1587             dev->pdev->subsystem_vendor == 0x1014) {
1588                 if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
1589                     ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
1590                         return false;
1591         }
1592
1593         /* Some RV100 cards with 2 VGA ports show up with DVI+VGA */
1594         if (dev->pdev->device == 0x5159 &&
1595             dev->pdev->subsystem_vendor == 0x1002 &&
1596             dev->pdev->subsystem_device == 0x013a) {
1597                 if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
1598                         *legacy_connector = CONNECTOR_CRT_LEGACY;
1599
1600         }
1601
1602         /* X300 card with extra non-existent DVI port */
1603         if (dev->pdev->device == 0x5B60 &&
1604             dev->pdev->subsystem_vendor == 0x17af &&
1605             dev->pdev->subsystem_device == 0x201e && bios_index == 2) {
1606                 if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
1607                         return false;
1608         }
1609
1610         return true;
1611 }
1612
1613 static bool radeon_apply_legacy_tv_quirks(struct drm_device *dev)
1614 {
1615         /* Acer 5102 has non-existent TV port */
1616         if (dev->pdev->device == 0x5975 &&
1617             dev->pdev->subsystem_vendor == 0x1025 &&
1618             dev->pdev->subsystem_device == 0x009f)
1619                 return false;
1620
1621         /* HP dc5750 has non-existent TV port */
1622         if (dev->pdev->device == 0x5974 &&
1623             dev->pdev->subsystem_vendor == 0x103c &&
1624             dev->pdev->subsystem_device == 0x280a)
1625                 return false;
1626
1627         return true;
1628 }
1629
1630 static uint16_t combios_check_dl_dvi(struct drm_device *dev, int is_dvi_d)
1631 {
1632         struct radeon_device *rdev = dev->dev_private;
1633         uint32_t ext_tmds_info;
1634
1635         if (rdev->flags & RADEON_IS_IGP) {
1636                 if (is_dvi_d)
1637                         return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
1638                 else
1639                         return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
1640         }
1641         ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
1642         if (ext_tmds_info) {
1643                 uint8_t rev = RBIOS8(ext_tmds_info);
1644                 uint8_t flags = RBIOS8(ext_tmds_info + 4 + 5);
1645                 if (rev >= 3) {
1646                         if (is_dvi_d)
1647                                 return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
1648                         else
1649                                 return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
1650                 } else {
1651                         if (flags & 1) {
1652                                 if (is_dvi_d)
1653                                         return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
1654                                 else
1655                                         return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
1656                         }
1657                 }
1658         }
1659         if (is_dvi_d)
1660                 return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
1661         else
1662                 return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
1663 }
1664
1665 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
1666 {
1667         struct radeon_device *rdev = dev->dev_private;
1668         uint32_t conn_info, entry, devices;
1669         uint16_t tmp, connector_object_id;
1670         enum radeon_combios_ddc ddc_type;
1671         enum radeon_combios_connector connector;
1672         int i = 0;
1673         struct radeon_i2c_bus_rec ddc_i2c;
1674
1675         if (rdev->bios == NULL)
1676                 return false;
1677
1678         conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
1679         if (conn_info) {
1680                 for (i = 0; i < 4; i++) {
1681                         entry = conn_info + 2 + i * 2;
1682
1683                         if (!RBIOS16(entry))
1684                                 break;
1685
1686                         tmp = RBIOS16(entry);
1687
1688                         connector = (tmp >> 12) & 0xf;
1689
1690                         ddc_type = (tmp >> 8) & 0xf;
1691                         switch (ddc_type) {
1692                         case DDC_MONID:
1693                                 ddc_i2c =
1694                                     combios_setup_i2c_bus(RADEON_GPIO_MONID);
1695                                 break;
1696                         case DDC_DVI:
1697                                 ddc_i2c =
1698                                     combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1699                                 break;
1700                         case DDC_VGA:
1701                                 ddc_i2c =
1702                                     combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1703                                 break;
1704                         case DDC_CRT2:
1705                                 ddc_i2c =
1706                                     combios_setup_i2c_bus(RADEON_GPIO_CRT2_DDC);
1707                                 break;
1708                         default:
1709                                 break;
1710                         }
1711
1712                         if (!radeon_apply_legacy_quirks(dev, i, &connector,
1713                                                        &ddc_i2c))
1714                                 continue;
1715
1716                         switch (connector) {
1717                         case CONNECTOR_PROPRIETARY_LEGACY:
1718                                 if ((tmp >> 4) & 0x1)
1719                                         devices = ATOM_DEVICE_DFP2_SUPPORT;
1720                                 else
1721                                         devices = ATOM_DEVICE_DFP1_SUPPORT;
1722                                 radeon_add_legacy_encoder(dev,
1723                                                           radeon_get_encoder_id
1724                                                           (dev, devices, 0),
1725                                                           devices);
1726                                 radeon_add_legacy_connector(dev, i, devices,
1727                                                             legacy_connector_convert
1728                                                             [connector],
1729                                                             &ddc_i2c,
1730                                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D);
1731                                 break;
1732                         case CONNECTOR_CRT_LEGACY:
1733                                 if (tmp & 0x1) {
1734                                         devices = ATOM_DEVICE_CRT2_SUPPORT;
1735                                         radeon_add_legacy_encoder(dev,
1736                                                                   radeon_get_encoder_id
1737                                                                   (dev,
1738                                                                    ATOM_DEVICE_CRT2_SUPPORT,
1739                                                                    2),
1740                                                                   ATOM_DEVICE_CRT2_SUPPORT);
1741                                 } else {
1742                                         devices = ATOM_DEVICE_CRT1_SUPPORT;
1743                                         radeon_add_legacy_encoder(dev,
1744                                                                   radeon_get_encoder_id
1745                                                                   (dev,
1746                                                                    ATOM_DEVICE_CRT1_SUPPORT,
1747                                                                    1),
1748                                                                   ATOM_DEVICE_CRT1_SUPPORT);
1749                                 }
1750                                 radeon_add_legacy_connector(dev,
1751                                                             i,
1752                                                             devices,
1753                                                             legacy_connector_convert
1754                                                             [connector],
1755                                                             &ddc_i2c,
1756                                                             CONNECTOR_OBJECT_ID_VGA);
1757                                 break;
1758                         case CONNECTOR_DVI_I_LEGACY:
1759                                 devices = 0;
1760                                 if (tmp & 0x1) {
1761                                         devices |= ATOM_DEVICE_CRT2_SUPPORT;
1762                                         radeon_add_legacy_encoder(dev,
1763                                                                   radeon_get_encoder_id
1764                                                                   (dev,
1765                                                                    ATOM_DEVICE_CRT2_SUPPORT,
1766                                                                    2),
1767                                                                   ATOM_DEVICE_CRT2_SUPPORT);
1768                                 } else {
1769                                         devices |= ATOM_DEVICE_CRT1_SUPPORT;
1770                                         radeon_add_legacy_encoder(dev,
1771                                                                   radeon_get_encoder_id
1772                                                                   (dev,
1773                                                                    ATOM_DEVICE_CRT1_SUPPORT,
1774                                                                    1),
1775                                                                   ATOM_DEVICE_CRT1_SUPPORT);
1776                                 }
1777                                 if ((tmp >> 4) & 0x1) {
1778                                         devices |= ATOM_DEVICE_DFP2_SUPPORT;
1779                                         radeon_add_legacy_encoder(dev,
1780                                                                   radeon_get_encoder_id
1781                                                                   (dev,
1782                                                                    ATOM_DEVICE_DFP2_SUPPORT,
1783                                                                    0),
1784                                                                   ATOM_DEVICE_DFP2_SUPPORT);
1785                                         connector_object_id = combios_check_dl_dvi(dev, 0);
1786                                 } else {
1787                                         devices |= ATOM_DEVICE_DFP1_SUPPORT;
1788                                         radeon_add_legacy_encoder(dev,
1789                                                                   radeon_get_encoder_id
1790                                                                   (dev,
1791                                                                    ATOM_DEVICE_DFP1_SUPPORT,
1792                                                                    0),
1793                                                                   ATOM_DEVICE_DFP1_SUPPORT);
1794                                         connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
1795                                 }
1796                                 radeon_add_legacy_connector(dev,
1797                                                             i,
1798                                                             devices,
1799                                                             legacy_connector_convert
1800                                                             [connector],
1801                                                             &ddc_i2c,
1802                                                             connector_object_id);
1803                                 break;
1804                         case CONNECTOR_DVI_D_LEGACY:
1805                                 if ((tmp >> 4) & 0x1) {
1806                                         devices = ATOM_DEVICE_DFP2_SUPPORT;
1807                                         connector_object_id = combios_check_dl_dvi(dev, 1);
1808                                 } else {
1809                                         devices = ATOM_DEVICE_DFP1_SUPPORT;
1810                                         connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
1811                                 }
1812                                 radeon_add_legacy_encoder(dev,
1813                                                           radeon_get_encoder_id
1814                                                           (dev, devices, 0),
1815                                                           devices);
1816                                 radeon_add_legacy_connector(dev, i, devices,
1817                                                             legacy_connector_convert
1818                                                             [connector],
1819                                                             &ddc_i2c,
1820                                                             connector_object_id);
1821                                 break;
1822                         case CONNECTOR_CTV_LEGACY:
1823                         case CONNECTOR_STV_LEGACY:
1824                                 radeon_add_legacy_encoder(dev,
1825                                                           radeon_get_encoder_id
1826                                                           (dev,
1827                                                            ATOM_DEVICE_TV1_SUPPORT,
1828                                                            2),
1829                                                           ATOM_DEVICE_TV1_SUPPORT);
1830                                 radeon_add_legacy_connector(dev, i,
1831                                                             ATOM_DEVICE_TV1_SUPPORT,
1832                                                             legacy_connector_convert
1833                                                             [connector],
1834                                                             &ddc_i2c,
1835                                                             CONNECTOR_OBJECT_ID_SVIDEO);
1836                                 break;
1837                         default:
1838                                 DRM_ERROR("Unknown connector type: %d\n",
1839                                           connector);
1840                                 continue;
1841                         }
1842
1843                 }
1844         } else {
1845                 uint16_t tmds_info =
1846                     combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1847                 if (tmds_info) {
1848                         DRM_DEBUG("Found DFP table, assuming DVI connector\n");
1849
1850                         radeon_add_legacy_encoder(dev,
1851                                                   radeon_get_encoder_id(dev,
1852                                                                         ATOM_DEVICE_CRT1_SUPPORT,
1853                                                                         1),
1854                                                   ATOM_DEVICE_CRT1_SUPPORT);
1855                         radeon_add_legacy_encoder(dev,
1856                                                   radeon_get_encoder_id(dev,
1857                                                                         ATOM_DEVICE_DFP1_SUPPORT,
1858                                                                         0),
1859                                                   ATOM_DEVICE_DFP1_SUPPORT);
1860
1861                         ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1862                         radeon_add_legacy_connector(dev,
1863                                                     0,
1864                                                     ATOM_DEVICE_CRT1_SUPPORT |
1865                                                     ATOM_DEVICE_DFP1_SUPPORT,
1866                                                     DRM_MODE_CONNECTOR_DVII,
1867                                                     &ddc_i2c,
1868                                                     CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I);
1869                 } else {
1870                         uint16_t crt_info =
1871                                 combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
1872                         DRM_DEBUG("Found CRT table, assuming VGA connector\n");
1873                         if (crt_info) {
1874                                 radeon_add_legacy_encoder(dev,
1875                                                           radeon_get_encoder_id(dev,
1876                                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1877                                                                                 1),
1878                                                           ATOM_DEVICE_CRT1_SUPPORT);
1879                                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1880                                 radeon_add_legacy_connector(dev,
1881                                                             0,
1882                                                             ATOM_DEVICE_CRT1_SUPPORT,
1883                                                             DRM_MODE_CONNECTOR_VGA,
1884                                                             &ddc_i2c,
1885                                                             CONNECTOR_OBJECT_ID_VGA);
1886                         } else {
1887                                 DRM_DEBUG("No connector info found\n");
1888                                 return false;
1889                         }
1890                 }
1891         }
1892
1893         if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
1894                 uint16_t lcd_info =
1895                     combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
1896                 if (lcd_info) {
1897                         uint16_t lcd_ddc_info =
1898                             combios_get_table_offset(dev,
1899                                                      COMBIOS_LCD_DDC_INFO_TABLE);
1900
1901                         radeon_add_legacy_encoder(dev,
1902                                                   radeon_get_encoder_id(dev,
1903                                                                         ATOM_DEVICE_LCD1_SUPPORT,
1904                                                                         0),
1905                                                   ATOM_DEVICE_LCD1_SUPPORT);
1906
1907                         if (lcd_ddc_info) {
1908                                 ddc_type = RBIOS8(lcd_ddc_info + 2);
1909                                 switch (ddc_type) {
1910                                 case DDC_MONID:
1911                                         ddc_i2c =
1912                                             combios_setup_i2c_bus
1913                                             (RADEON_GPIO_MONID);
1914                                         break;
1915                                 case DDC_DVI:
1916                                         ddc_i2c =
1917                                             combios_setup_i2c_bus
1918                                             (RADEON_GPIO_DVI_DDC);
1919                                         break;
1920                                 case DDC_VGA:
1921                                         ddc_i2c =
1922                                             combios_setup_i2c_bus
1923                                             (RADEON_GPIO_VGA_DDC);
1924                                         break;
1925                                 case DDC_CRT2:
1926                                         ddc_i2c =
1927                                             combios_setup_i2c_bus
1928                                             (RADEON_GPIO_CRT2_DDC);
1929                                         break;
1930                                 case DDC_LCD:
1931                                         ddc_i2c =
1932                                             combios_setup_i2c_bus
1933                                             (RADEON_LCD_GPIO_MASK);
1934                                         ddc_i2c.mask_clk_mask =
1935                                             RBIOS32(lcd_ddc_info + 3);
1936                                         ddc_i2c.mask_data_mask =
1937                                             RBIOS32(lcd_ddc_info + 7);
1938                                         ddc_i2c.a_clk_mask =
1939                                             RBIOS32(lcd_ddc_info + 3);
1940                                         ddc_i2c.a_data_mask =
1941                                             RBIOS32(lcd_ddc_info + 7);
1942                                         ddc_i2c.put_clk_mask =
1943                                             RBIOS32(lcd_ddc_info + 3);
1944                                         ddc_i2c.put_data_mask =
1945                                             RBIOS32(lcd_ddc_info + 7);
1946                                         ddc_i2c.get_clk_mask =
1947                                             RBIOS32(lcd_ddc_info + 3);
1948                                         ddc_i2c.get_data_mask =
1949                                             RBIOS32(lcd_ddc_info + 7);
1950                                         break;
1951                                 case DDC_GPIO:
1952                                         ddc_i2c =
1953                                             combios_setup_i2c_bus
1954                                             (RADEON_MDGPIO_EN_REG);
1955                                         ddc_i2c.mask_clk_mask =
1956                                             RBIOS32(lcd_ddc_info + 3);
1957                                         ddc_i2c.mask_data_mask =
1958                                             RBIOS32(lcd_ddc_info + 7);
1959                                         ddc_i2c.a_clk_mask =
1960                                             RBIOS32(lcd_ddc_info + 3);
1961                                         ddc_i2c.a_data_mask =
1962                                             RBIOS32(lcd_ddc_info + 7);
1963                                         ddc_i2c.put_clk_mask =
1964                                             RBIOS32(lcd_ddc_info + 3);
1965                                         ddc_i2c.put_data_mask =
1966                                             RBIOS32(lcd_ddc_info + 7);
1967                                         ddc_i2c.get_clk_mask =
1968                                             RBIOS32(lcd_ddc_info + 3);
1969                                         ddc_i2c.get_data_mask =
1970                                             RBIOS32(lcd_ddc_info + 7);
1971                                         break;
1972                                 default:
1973                                         ddc_i2c.valid = false;
1974                                         break;
1975                                 }
1976                                 DRM_DEBUG("LCD DDC Info Table found!\n");
1977                         } else
1978                                 ddc_i2c.valid = false;
1979
1980                         radeon_add_legacy_connector(dev,
1981                                                     5,
1982                                                     ATOM_DEVICE_LCD1_SUPPORT,
1983                                                     DRM_MODE_CONNECTOR_LVDS,
1984                                                     &ddc_i2c,
1985                                                     CONNECTOR_OBJECT_ID_LVDS);
1986                 }
1987         }
1988
1989         /* check TV table */
1990         if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1991                 uint32_t tv_info =
1992                     combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
1993                 if (tv_info) {
1994                         if (RBIOS8(tv_info + 6) == 'T') {
1995                                 if (radeon_apply_legacy_tv_quirks(dev)) {
1996                                         radeon_add_legacy_encoder(dev,
1997                                                                   radeon_get_encoder_id
1998                                                                   (dev,
1999                                                                    ATOM_DEVICE_TV1_SUPPORT,
2000                                                                    2),
2001                                                                   ATOM_DEVICE_TV1_SUPPORT);
2002                                         radeon_add_legacy_connector(dev, 6,
2003                                                                     ATOM_DEVICE_TV1_SUPPORT,
2004                                                                     DRM_MODE_CONNECTOR_SVIDEO,
2005                                                                     &ddc_i2c,
2006                                                                     CONNECTOR_OBJECT_ID_SVIDEO);
2007                                 }
2008                         }
2009                 }
2010         }
2011
2012         radeon_link_encoder_connector(dev);
2013
2014         return true;
2015 }
2016
2017 static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
2018 {
2019         struct radeon_device *rdev = dev->dev_private;
2020
2021         if (offset) {
2022                 while (RBIOS16(offset)) {
2023                         uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
2024                         uint32_t addr = (RBIOS16(offset) & 0x1fff);
2025                         uint32_t val, and_mask, or_mask;
2026                         uint32_t tmp;
2027
2028                         offset += 2;
2029                         switch (cmd) {
2030                         case 0:
2031                                 val = RBIOS32(offset);
2032                                 offset += 4;
2033                                 WREG32(addr, val);
2034                                 break;
2035                         case 1:
2036                                 val = RBIOS32(offset);
2037                                 offset += 4;
2038                                 WREG32(addr, val);
2039                                 break;
2040                         case 2:
2041                                 and_mask = RBIOS32(offset);
2042                                 offset += 4;
2043                                 or_mask = RBIOS32(offset);
2044                                 offset += 4;
2045                                 tmp = RREG32(addr);
2046                                 tmp &= and_mask;
2047                                 tmp |= or_mask;
2048                                 WREG32(addr, tmp);
2049                                 break;
2050                         case 3:
2051                                 and_mask = RBIOS32(offset);
2052                                 offset += 4;
2053                                 or_mask = RBIOS32(offset);
2054                                 offset += 4;
2055                                 tmp = RREG32(addr);
2056                                 tmp &= and_mask;
2057                                 tmp |= or_mask;
2058                                 WREG32(addr, tmp);
2059                                 break;
2060                         case 4:
2061                                 val = RBIOS16(offset);
2062                                 offset += 2;
2063                                 udelay(val);
2064                                 break;
2065                         case 5:
2066                                 val = RBIOS16(offset);
2067                                 offset += 2;
2068                                 switch (addr) {
2069                                 case 8:
2070                                         while (val--) {
2071                                                 if (!
2072                                                     (RREG32_PLL
2073                                                      (RADEON_CLK_PWRMGT_CNTL) &
2074                                                      RADEON_MC_BUSY))
2075                                                         break;
2076                                         }
2077                                         break;
2078                                 case 9:
2079                                         while (val--) {
2080                                                 if ((RREG32(RADEON_MC_STATUS) &
2081                                                      RADEON_MC_IDLE))
2082                                                         break;
2083                                         }
2084                                         break;
2085                                 default:
2086                                         break;
2087                                 }
2088                                 break;
2089                         default:
2090                                 break;
2091                         }
2092                 }
2093         }
2094 }
2095
2096 static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
2097 {
2098         struct radeon_device *rdev = dev->dev_private;
2099
2100         if (offset) {
2101                 while (RBIOS8(offset)) {
2102                         uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
2103                         uint8_t addr = (RBIOS8(offset) & 0x3f);
2104                         uint32_t val, shift, tmp;
2105                         uint32_t and_mask, or_mask;
2106
2107                         offset++;
2108                         switch (cmd) {
2109                         case 0:
2110                                 val = RBIOS32(offset);
2111                                 offset += 4;
2112                                 WREG32_PLL(addr, val);
2113                                 break;
2114                         case 1:
2115                                 shift = RBIOS8(offset) * 8;
2116                                 offset++;
2117                                 and_mask = RBIOS8(offset) << shift;
2118                                 and_mask |= ~(0xff << shift);
2119                                 offset++;
2120                                 or_mask = RBIOS8(offset) << shift;
2121                                 offset++;
2122                                 tmp = RREG32_PLL(addr);
2123                                 tmp &= and_mask;
2124                                 tmp |= or_mask;
2125                                 WREG32_PLL(addr, tmp);
2126                                 break;
2127                         case 2:
2128                         case 3:
2129                                 tmp = 1000;
2130                                 switch (addr) {
2131                                 case 1:
2132                                         udelay(150);
2133                                         break;
2134                                 case 2:
2135                                         udelay(1000);
2136                                         break;
2137                                 case 3:
2138                                         while (tmp--) {
2139                                                 if (!
2140                                                     (RREG32_PLL
2141                                                      (RADEON_CLK_PWRMGT_CNTL) &
2142                                                      RADEON_MC_BUSY))
2143                                                         break;
2144                                         }
2145                                         break;
2146                                 case 4:
2147                                         while (tmp--) {
2148                                                 if (RREG32_PLL
2149                                                     (RADEON_CLK_PWRMGT_CNTL) &
2150                                                     RADEON_DLL_READY)
2151                                                         break;
2152                                         }
2153                                         break;
2154                                 case 5:
2155                                         tmp =
2156                                             RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
2157                                         if (tmp & RADEON_CG_NO1_DEBUG_0) {
2158 #if 0
2159                                                 uint32_t mclk_cntl =
2160                                                     RREG32_PLL
2161                                                     (RADEON_MCLK_CNTL);
2162                                                 mclk_cntl &= 0xffff0000;
2163                                                 /*mclk_cntl |= 0x00001111;*//* ??? */
2164                                                 WREG32_PLL(RADEON_MCLK_CNTL,
2165                                                            mclk_cntl);
2166                                                 udelay(10000);
2167 #endif
2168                                                 WREG32_PLL
2169                                                     (RADEON_CLK_PWRMGT_CNTL,
2170                                                      tmp &
2171                                                      ~RADEON_CG_NO1_DEBUG_0);
2172                                                 udelay(10000);
2173                                         }
2174                                         break;
2175                                 default:
2176                                         break;
2177                                 }
2178                                 break;
2179                         default:
2180                                 break;
2181                         }
2182                 }
2183         }
2184 }
2185
2186 static void combios_parse_ram_reset_table(struct drm_device *dev,
2187                                           uint16_t offset)
2188 {
2189         struct radeon_device *rdev = dev->dev_private;
2190         uint32_t tmp;
2191
2192         if (offset) {
2193                 uint8_t val = RBIOS8(offset);
2194                 while (val != 0xff) {
2195                         offset++;
2196
2197                         if (val == 0x0f) {
2198                                 uint32_t channel_complete_mask;
2199
2200                                 if (ASIC_IS_R300(rdev))
2201                                         channel_complete_mask =
2202                                             R300_MEM_PWRUP_COMPLETE;
2203                                 else
2204                                         channel_complete_mask =
2205                                             RADEON_MEM_PWRUP_COMPLETE;
2206                                 tmp = 20000;
2207                                 while (tmp--) {
2208                                         if ((RREG32(RADEON_MEM_STR_CNTL) &
2209                                              channel_complete_mask) ==
2210                                             channel_complete_mask)
2211                                                 break;
2212                                 }
2213                         } else {
2214                                 uint32_t or_mask = RBIOS16(offset);
2215                                 offset += 2;
2216
2217                                 tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2218                                 tmp &= RADEON_SDRAM_MODE_MASK;
2219                                 tmp |= or_mask;
2220                                 WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
2221
2222                                 or_mask = val << 24;
2223                                 tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2224                                 tmp &= RADEON_B3MEM_RESET_MASK;
2225                                 tmp |= or_mask;
2226                                 WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
2227                         }
2228                         val = RBIOS8(offset);
2229                 }
2230         }
2231 }
2232
2233 static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
2234                                    int mem_addr_mapping)
2235 {
2236         struct radeon_device *rdev = dev->dev_private;
2237         uint32_t mem_cntl;
2238         uint32_t mem_size;
2239         uint32_t addr = 0;
2240
2241         mem_cntl = RREG32(RADEON_MEM_CNTL);
2242         if (mem_cntl & RV100_HALF_MODE)
2243                 ram /= 2;
2244         mem_size = ram;
2245         mem_cntl &= ~(0xff << 8);
2246         mem_cntl |= (mem_addr_mapping & 0xff) << 8;
2247         WREG32(RADEON_MEM_CNTL, mem_cntl);
2248         RREG32(RADEON_MEM_CNTL);
2249
2250         /* sdram reset ? */
2251
2252         /* something like this????  */
2253         while (ram--) {
2254                 addr = ram * 1024 * 1024;
2255                 /* write to each page */
2256                 WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
2257                 WREG32(RADEON_MM_DATA, 0xdeadbeef);
2258                 /* read back and verify */
2259                 WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
2260                 if (RREG32(RADEON_MM_DATA) != 0xdeadbeef)
2261                         return 0;
2262         }
2263
2264         return mem_size;
2265 }
2266
2267 static void combios_write_ram_size(struct drm_device *dev)
2268 {
2269         struct radeon_device *rdev = dev->dev_private;
2270         uint8_t rev;
2271         uint16_t offset;
2272         uint32_t mem_size = 0;
2273         uint32_t mem_cntl = 0;
2274
2275         /* should do something smarter here I guess... */
2276         if (rdev->flags & RADEON_IS_IGP)
2277                 return;
2278
2279         /* first check detected mem table */
2280         offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
2281         if (offset) {
2282                 rev = RBIOS8(offset);
2283                 if (rev < 3) {
2284                         mem_cntl = RBIOS32(offset + 1);
2285                         mem_size = RBIOS16(offset + 5);
2286                         if (((rdev->flags & RADEON_FAMILY_MASK) < CHIP_R200) &&
2287                             ((dev->pdev->device != 0x515e)
2288                              && (dev->pdev->device != 0x5969)))
2289                                 WREG32(RADEON_MEM_CNTL, mem_cntl);
2290                 }
2291         }
2292
2293         if (!mem_size) {
2294                 offset =
2295                     combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
2296                 if (offset) {
2297                         rev = RBIOS8(offset - 1);
2298                         if (rev < 1) {
2299                                 if (((rdev->flags & RADEON_FAMILY_MASK) <
2300                                      CHIP_R200)
2301                                     && ((dev->pdev->device != 0x515e)
2302                                         && (dev->pdev->device != 0x5969))) {
2303                                         int ram = 0;
2304                                         int mem_addr_mapping = 0;
2305
2306                                         while (RBIOS8(offset)) {
2307                                                 ram = RBIOS8(offset);
2308                                                 mem_addr_mapping =
2309                                                     RBIOS8(offset + 1);
2310                                                 if (mem_addr_mapping != 0x25)
2311                                                         ram *= 2;
2312                                                 mem_size =
2313                                                     combios_detect_ram(dev, ram,
2314                                                                        mem_addr_mapping);
2315                                                 if (mem_size)
2316                                                         break;
2317                                                 offset += 2;
2318                                         }
2319                                 } else
2320                                         mem_size = RBIOS8(offset);
2321                         } else {
2322                                 mem_size = RBIOS8(offset);
2323                                 mem_size *= 2;  /* convert to MB */
2324                         }
2325                 }
2326         }
2327
2328         mem_size *= (1024 * 1024);      /* convert to bytes */
2329         WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
2330 }
2331
2332 void radeon_combios_dyn_clk_setup(struct drm_device *dev, int enable)
2333 {
2334         uint16_t dyn_clk_info =
2335             combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
2336
2337         if (dyn_clk_info)
2338                 combios_parse_pll_table(dev, dyn_clk_info);
2339 }
2340
2341 void radeon_combios_asic_init(struct drm_device *dev)
2342 {
2343         struct radeon_device *rdev = dev->dev_private;
2344         uint16_t table;
2345
2346         /* port hardcoded mac stuff from radeonfb */
2347         if (rdev->bios == NULL)
2348                 return;
2349
2350         /* ASIC INIT 1 */
2351         table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE);
2352         if (table)
2353                 combios_parse_mmio_table(dev, table);
2354
2355         /* PLL INIT */
2356         table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE);
2357         if (table)
2358                 combios_parse_pll_table(dev, table);
2359
2360         /* ASIC INIT 2 */
2361         table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE);
2362         if (table)
2363                 combios_parse_mmio_table(dev, table);
2364
2365         if (!(rdev->flags & RADEON_IS_IGP)) {
2366                 /* ASIC INIT 4 */
2367                 table =
2368                     combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE);
2369                 if (table)
2370                         combios_parse_mmio_table(dev, table);
2371
2372                 /* RAM RESET */
2373                 table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE);
2374                 if (table)
2375                         combios_parse_ram_reset_table(dev, table);
2376
2377                 /* ASIC INIT 3 */
2378                 table =
2379                     combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE);
2380                 if (table)
2381                         combios_parse_mmio_table(dev, table);
2382
2383                 /* write CONFIG_MEMSIZE */
2384                 combios_write_ram_size(dev);
2385         }
2386
2387         /* DYN CLK 1 */
2388         table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
2389         if (table)
2390                 combios_parse_pll_table(dev, table);
2391
2392 }
2393
2394 void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
2395 {
2396         struct radeon_device *rdev = dev->dev_private;
2397         uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
2398
2399         bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
2400         bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
2401         bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
2402
2403         /* let the bios control the backlight */
2404         bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
2405
2406         /* tell the bios not to handle mode switching */
2407         bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
2408                            RADEON_ACC_MODE_CHANGE);
2409
2410         /* tell the bios a driver is loaded */
2411         bios_7_scratch |= RADEON_DRV_LOADED;
2412
2413         WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
2414         WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
2415         WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
2416 }
2417
2418 void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
2419 {
2420         struct drm_device *dev = encoder->dev;
2421         struct radeon_device *rdev = dev->dev_private;
2422         uint32_t bios_6_scratch;
2423
2424         bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
2425
2426         if (lock)
2427                 bios_6_scratch |= RADEON_DRIVER_CRITICAL;
2428         else
2429                 bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
2430
2431         WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
2432 }
2433
2434 void
2435 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
2436                                       struct drm_encoder *encoder,
2437                                       bool connected)
2438 {
2439         struct drm_device *dev = connector->dev;
2440         struct radeon_device *rdev = dev->dev_private;
2441         struct radeon_connector *radeon_connector =
2442             to_radeon_connector(connector);
2443         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2444         uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
2445         uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
2446
2447         if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
2448             (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
2449                 if (connected) {
2450                         DRM_DEBUG("TV1 connected\n");
2451                         /* fix me */
2452                         bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
2453                         /*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
2454                         bios_5_scratch |= RADEON_TV1_ON;
2455                         bios_5_scratch |= RADEON_ACC_REQ_TV1;
2456                 } else {
2457                         DRM_DEBUG("TV1 disconnected\n");
2458                         bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
2459                         bios_5_scratch &= ~RADEON_TV1_ON;
2460                         bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
2461                 }
2462         }
2463         if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
2464             (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
2465                 if (connected) {
2466                         DRM_DEBUG("LCD1 connected\n");
2467                         bios_4_scratch |= RADEON_LCD1_ATTACHED;
2468                         bios_5_scratch |= RADEON_LCD1_ON;
2469                         bios_5_scratch |= RADEON_ACC_REQ_LCD1;
2470                 } else {
2471                         DRM_DEBUG("LCD1 disconnected\n");
2472                         bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
2473                         bios_5_scratch &= ~RADEON_LCD1_ON;
2474                         bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
2475                 }
2476         }
2477         if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
2478             (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
2479                 if (connected) {
2480                         DRM_DEBUG("CRT1 connected\n");
2481                         bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
2482                         bios_5_scratch |= RADEON_CRT1_ON;
2483                         bios_5_scratch |= RADEON_ACC_REQ_CRT1;
2484                 } else {
2485                         DRM_DEBUG("CRT1 disconnected\n");
2486                         bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
2487                         bios_5_scratch &= ~RADEON_CRT1_ON;
2488                         bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
2489                 }
2490         }
2491         if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
2492             (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
2493                 if (connected) {
2494                         DRM_DEBUG("CRT2 connected\n");
2495                         bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
2496                         bios_5_scratch |= RADEON_CRT2_ON;
2497                         bios_5_scratch |= RADEON_ACC_REQ_CRT2;
2498                 } else {
2499                         DRM_DEBUG("CRT2 disconnected\n");
2500                         bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
2501                         bios_5_scratch &= ~RADEON_CRT2_ON;
2502                         bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
2503                 }
2504         }
2505         if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
2506             (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
2507                 if (connected) {
2508                         DRM_DEBUG("DFP1 connected\n");
2509                         bios_4_scratch |= RADEON_DFP1_ATTACHED;
2510                         bios_5_scratch |= RADEON_DFP1_ON;
2511                         bios_5_scratch |= RADEON_ACC_REQ_DFP1;
2512                 } else {
2513                         DRM_DEBUG("DFP1 disconnected\n");
2514                         bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
2515                         bios_5_scratch &= ~RADEON_DFP1_ON;
2516                         bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
2517                 }
2518         }
2519         if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
2520             (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
2521                 if (connected) {
2522                         DRM_DEBUG("DFP2 connected\n");
2523                         bios_4_scratch |= RADEON_DFP2_ATTACHED;
2524                         bios_5_scratch |= RADEON_DFP2_ON;
2525                         bios_5_scratch |= RADEON_ACC_REQ_DFP2;
2526                 } else {
2527                         DRM_DEBUG("DFP2 disconnected\n");
2528                         bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
2529                         bios_5_scratch &= ~RADEON_DFP2_ON;
2530                         bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
2531                 }
2532         }
2533         WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
2534         WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
2535 }
2536
2537 void
2538 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
2539 {
2540         struct drm_device *dev = encoder->dev;
2541         struct radeon_device *rdev = dev->dev_private;
2542         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2543         uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
2544
2545         if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
2546                 bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
2547                 bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
2548         }
2549         if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
2550                 bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
2551                 bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
2552         }
2553         if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
2554                 bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
2555                 bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
2556         }
2557         if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
2558                 bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
2559                 bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
2560         }
2561         if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
2562                 bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
2563                 bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
2564         }
2565         if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
2566                 bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
2567                 bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
2568         }
2569         WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
2570 }
2571
2572 void
2573 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
2574 {
2575         struct drm_device *dev = encoder->dev;
2576         struct radeon_device *rdev = dev->dev_private;
2577         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2578         uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
2579
2580         if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
2581                 if (on)
2582                         bios_6_scratch |= RADEON_TV_DPMS_ON;
2583                 else
2584                         bios_6_scratch &= ~RADEON_TV_DPMS_ON;
2585         }
2586         if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
2587                 if (on)
2588                         bios_6_scratch |= RADEON_CRT_DPMS_ON;
2589                 else
2590                         bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
2591         }
2592         if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
2593                 if (on)
2594                         bios_6_scratch |= RADEON_LCD_DPMS_ON;
2595                 else
2596                         bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
2597         }
2598         if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
2599                 if (on)
2600                         bios_6_scratch |= RADEON_DFP_DPMS_ON;
2601                 else
2602                         bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
2603         }
2604         WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
2605 }