drm/radeon/kms: i2c reorg
[safe/jmp/linux-2.6] / 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 static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
446                                                        int ddc_line)
447 {
448         struct radeon_i2c_bus_rec i2c;
449
450         if (ddc_line == RADEON_GPIOPAD_MASK) {
451                 i2c.mask_clk_reg = RADEON_GPIOPAD_MASK;
452                 i2c.mask_data_reg = RADEON_GPIOPAD_MASK;
453                 i2c.a_clk_reg = RADEON_GPIOPAD_A;
454                 i2c.a_data_reg = RADEON_GPIOPAD_A;
455                 i2c.en_clk_reg = RADEON_GPIOPAD_EN;
456                 i2c.en_data_reg = RADEON_GPIOPAD_EN;
457                 i2c.y_clk_reg = RADEON_GPIOPAD_Y;
458                 i2c.y_data_reg = RADEON_GPIOPAD_Y;
459         } else if (ddc_line == RADEON_MDGPIO_MASK) {
460                 i2c.mask_clk_reg = RADEON_MDGPIO_MASK;
461                 i2c.mask_data_reg = RADEON_MDGPIO_MASK;
462                 i2c.a_clk_reg = RADEON_MDGPIO_A;
463                 i2c.a_data_reg = RADEON_MDGPIO_A;
464                 i2c.en_clk_reg = RADEON_MDGPIO_EN;
465                 i2c.en_data_reg = RADEON_MDGPIO_EN;
466                 i2c.y_clk_reg = RADEON_MDGPIO_Y;
467                 i2c.y_data_reg = RADEON_MDGPIO_Y;
468         } else {
469                 i2c.mask_clk_mask = RADEON_GPIO_EN_1;
470                 i2c.mask_data_mask = RADEON_GPIO_EN_0;
471                 i2c.a_clk_mask = RADEON_GPIO_A_1;
472                 i2c.a_data_mask = RADEON_GPIO_A_0;
473                 i2c.en_clk_mask = RADEON_GPIO_EN_1;
474                 i2c.en_data_mask = RADEON_GPIO_EN_0;
475                 i2c.y_clk_mask = RADEON_GPIO_Y_1;
476                 i2c.y_data_mask = RADEON_GPIO_Y_0;
477
478                 i2c.mask_clk_reg = ddc_line;
479                 i2c.mask_data_reg = ddc_line;
480                 i2c.a_clk_reg = ddc_line;
481                 i2c.a_data_reg = ddc_line;
482                 i2c.en_clk_reg = ddc_line;
483                 i2c.en_data_reg = ddc_line;
484                 i2c.y_clk_reg = ddc_line;
485                 i2c.y_data_reg = ddc_line;
486         }
487
488         if (rdev->family < CHIP_R200)
489                 i2c.hw_capable = false;
490         else {
491                 switch (ddc_line) {
492                 case RADEON_GPIO_VGA_DDC:
493                 case RADEON_GPIO_DVI_DDC:
494                         i2c.hw_capable = true;
495                         break;
496                 case RADEON_GPIO_MONID:
497                         /* hw i2c on RADEON_GPIO_MONID doesn't seem to work
498                          * reliably on some pre-r4xx hardware; not sure why.
499                          */
500                         i2c.hw_capable = false;
501                         break;
502                 default:
503                         i2c.hw_capable = false;
504                         break;
505                 }
506         }
507         i2c.mm_i2c = false;
508         i2c.i2c_id = 0;
509
510         if (ddc_line)
511                 i2c.valid = true;
512         else
513                 i2c.valid = false;
514
515         return i2c;
516 }
517
518 bool radeon_combios_get_clock_info(struct drm_device *dev)
519 {
520         struct radeon_device *rdev = dev->dev_private;
521         uint16_t pll_info;
522         struct radeon_pll *p1pll = &rdev->clock.p1pll;
523         struct radeon_pll *p2pll = &rdev->clock.p2pll;
524         struct radeon_pll *spll = &rdev->clock.spll;
525         struct radeon_pll *mpll = &rdev->clock.mpll;
526         int8_t rev;
527         uint16_t sclk, mclk;
528
529         if (rdev->bios == NULL)
530                 return false;
531
532         pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
533         if (pll_info) {
534                 rev = RBIOS8(pll_info);
535
536                 /* pixel clocks */
537                 p1pll->reference_freq = RBIOS16(pll_info + 0xe);
538                 p1pll->reference_div = RBIOS16(pll_info + 0x10);
539                 p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
540                 p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
541
542                 if (rev > 9) {
543                         p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
544                         p1pll->pll_in_max = RBIOS32(pll_info + 0x3a);
545                 } else {
546                         p1pll->pll_in_min = 40;
547                         p1pll->pll_in_max = 500;
548                 }
549                 *p2pll = *p1pll;
550
551                 /* system clock */
552                 spll->reference_freq = RBIOS16(pll_info + 0x1a);
553                 spll->reference_div = RBIOS16(pll_info + 0x1c);
554                 spll->pll_out_min = RBIOS32(pll_info + 0x1e);
555                 spll->pll_out_max = RBIOS32(pll_info + 0x22);
556
557                 if (rev > 10) {
558                         spll->pll_in_min = RBIOS32(pll_info + 0x48);
559                         spll->pll_in_max = RBIOS32(pll_info + 0x4c);
560                 } else {
561                         /* ??? */
562                         spll->pll_in_min = 40;
563                         spll->pll_in_max = 500;
564                 }
565
566                 /* memory clock */
567                 mpll->reference_freq = RBIOS16(pll_info + 0x26);
568                 mpll->reference_div = RBIOS16(pll_info + 0x28);
569                 mpll->pll_out_min = RBIOS32(pll_info + 0x2a);
570                 mpll->pll_out_max = RBIOS32(pll_info + 0x2e);
571
572                 if (rev > 10) {
573                         mpll->pll_in_min = RBIOS32(pll_info + 0x5a);
574                         mpll->pll_in_max = RBIOS32(pll_info + 0x5e);
575                 } else {
576                         /* ??? */
577                         mpll->pll_in_min = 40;
578                         mpll->pll_in_max = 500;
579                 }
580
581                 /* default sclk/mclk */
582                 sclk = RBIOS16(pll_info + 0xa);
583                 mclk = RBIOS16(pll_info + 0x8);
584                 if (sclk == 0)
585                         sclk = 200 * 100;
586                 if (mclk == 0)
587                         mclk = 200 * 100;
588
589                 rdev->clock.default_sclk = sclk;
590                 rdev->clock.default_mclk = mclk;
591
592                 return true;
593         }
594         return false;
595 }
596
597 struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
598                                                                        radeon_encoder
599                                                                        *encoder)
600 {
601         struct drm_device *dev = encoder->base.dev;
602         struct radeon_device *rdev = dev->dev_private;
603         uint16_t dac_info;
604         uint8_t rev, bg, dac;
605         struct radeon_encoder_primary_dac *p_dac = NULL;
606
607         if (rdev->bios == NULL)
608                 return NULL;
609
610         /* check CRT table */
611         dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
612         if (dac_info) {
613                 p_dac =
614                     kzalloc(sizeof(struct radeon_encoder_primary_dac),
615                             GFP_KERNEL);
616
617                 if (!p_dac)
618                         return NULL;
619
620                 rev = RBIOS8(dac_info) & 0x3;
621                 if (rev < 2) {
622                         bg = RBIOS8(dac_info + 0x2) & 0xf;
623                         dac = (RBIOS8(dac_info + 0x2) >> 4) & 0xf;
624                         p_dac->ps2_pdac_adj = (bg << 8) | (dac);
625                 } else {
626                         bg = RBIOS8(dac_info + 0x2) & 0xf;
627                         dac = RBIOS8(dac_info + 0x3) & 0xf;
628                         p_dac->ps2_pdac_adj = (bg << 8) | (dac);
629                 }
630
631         }
632
633         return p_dac;
634 }
635
636 static enum radeon_tv_std
637 radeon_combios_get_tv_info(struct radeon_encoder *encoder)
638 {
639         struct drm_device *dev = encoder->base.dev;
640         struct radeon_device *rdev = dev->dev_private;
641         uint16_t tv_info;
642         enum radeon_tv_std tv_std = TV_STD_NTSC;
643
644         tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
645         if (tv_info) {
646                 if (RBIOS8(tv_info + 6) == 'T') {
647                         switch (RBIOS8(tv_info + 7) & 0xf) {
648                         case 1:
649                                 tv_std = TV_STD_NTSC;
650                                 DRM_INFO("Default TV standard: NTSC\n");
651                                 break;
652                         case 2:
653                                 tv_std = TV_STD_PAL;
654                                 DRM_INFO("Default TV standard: PAL\n");
655                                 break;
656                         case 3:
657                                 tv_std = TV_STD_PAL_M;
658                                 DRM_INFO("Default TV standard: PAL-M\n");
659                                 break;
660                         case 4:
661                                 tv_std = TV_STD_PAL_60;
662                                 DRM_INFO("Default TV standard: PAL-60\n");
663                                 break;
664                         case 5:
665                                 tv_std = TV_STD_NTSC_J;
666                                 DRM_INFO("Default TV standard: NTSC-J\n");
667                                 break;
668                         case 6:
669                                 tv_std = TV_STD_SCART_PAL;
670                                 DRM_INFO("Default TV standard: SCART-PAL\n");
671                                 break;
672                         default:
673                                 tv_std = TV_STD_NTSC;
674                                 DRM_INFO
675                                     ("Unknown TV standard; defaulting to NTSC\n");
676                                 break;
677                         }
678
679                         switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
680                         case 0:
681                                 DRM_INFO("29.498928713 MHz TV ref clk\n");
682                                 break;
683                         case 1:
684                                 DRM_INFO("28.636360000 MHz TV ref clk\n");
685                                 break;
686                         case 2:
687                                 DRM_INFO("14.318180000 MHz TV ref clk\n");
688                                 break;
689                         case 3:
690                                 DRM_INFO("27.000000000 MHz TV ref clk\n");
691                                 break;
692                         default:
693                                 break;
694                         }
695                 }
696         }
697         return tv_std;
698 }
699
700 static const uint32_t default_tvdac_adj[CHIP_LAST] = {
701         0x00000000,             /* r100  */
702         0x00280000,             /* rv100 */
703         0x00000000,             /* rs100 */
704         0x00880000,             /* rv200 */
705         0x00000000,             /* rs200 */
706         0x00000000,             /* r200  */
707         0x00770000,             /* rv250 */
708         0x00290000,             /* rs300 */
709         0x00560000,             /* rv280 */
710         0x00780000,             /* r300  */
711         0x00770000,             /* r350  */
712         0x00780000,             /* rv350 */
713         0x00780000,             /* rv380 */
714         0x01080000,             /* r420  */
715         0x01080000,             /* r423  */
716         0x01080000,             /* rv410 */
717         0x00780000,             /* rs400 */
718         0x00780000,             /* rs480 */
719 };
720
721 static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
722                                                      struct radeon_encoder_tv_dac *tv_dac)
723 {
724         tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
725         if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
726                 tv_dac->ps2_tvdac_adj = 0x00880000;
727         tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
728         tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
729         return;
730 }
731
732 struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
733                                                              radeon_encoder
734                                                              *encoder)
735 {
736         struct drm_device *dev = encoder->base.dev;
737         struct radeon_device *rdev = dev->dev_private;
738         uint16_t dac_info;
739         uint8_t rev, bg, dac;
740         struct radeon_encoder_tv_dac *tv_dac = NULL;
741         int found = 0;
742
743         tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
744         if (!tv_dac)
745                 return NULL;
746
747         if (rdev->bios == NULL)
748                 goto out;
749
750         /* first check TV table */
751         dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
752         if (dac_info) {
753                 rev = RBIOS8(dac_info + 0x3);
754                 if (rev > 4) {
755                         bg = RBIOS8(dac_info + 0xc) & 0xf;
756                         dac = RBIOS8(dac_info + 0xd) & 0xf;
757                         tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
758
759                         bg = RBIOS8(dac_info + 0xe) & 0xf;
760                         dac = RBIOS8(dac_info + 0xf) & 0xf;
761                         tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
762
763                         bg = RBIOS8(dac_info + 0x10) & 0xf;
764                         dac = RBIOS8(dac_info + 0x11) & 0xf;
765                         tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
766                         found = 1;
767                 } else if (rev > 1) {
768                         bg = RBIOS8(dac_info + 0xc) & 0xf;
769                         dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
770                         tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
771
772                         bg = RBIOS8(dac_info + 0xd) & 0xf;
773                         dac = (RBIOS8(dac_info + 0xd) >> 4) & 0xf;
774                         tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
775
776                         bg = RBIOS8(dac_info + 0xe) & 0xf;
777                         dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
778                         tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
779                         found = 1;
780                 }
781                 tv_dac->tv_std = radeon_combios_get_tv_info(encoder);
782         }
783         if (!found) {
784                 /* then check CRT table */
785                 dac_info =
786                     combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
787                 if (dac_info) {
788                         rev = RBIOS8(dac_info) & 0x3;
789                         if (rev < 2) {
790                                 bg = RBIOS8(dac_info + 0x3) & 0xf;
791                                 dac = (RBIOS8(dac_info + 0x3) >> 4) & 0xf;
792                                 tv_dac->ps2_tvdac_adj =
793                                     (bg << 16) | (dac << 20);
794                                 tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
795                                 tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
796                                 found = 1;
797                         } else {
798                                 bg = RBIOS8(dac_info + 0x4) & 0xf;
799                                 dac = RBIOS8(dac_info + 0x5) & 0xf;
800                                 tv_dac->ps2_tvdac_adj =
801                                     (bg << 16) | (dac << 20);
802                                 tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
803                                 tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
804                                 found = 1;
805                         }
806                 } else {
807                         DRM_INFO("No TV DAC info found in BIOS\n");
808                 }
809         }
810
811 out:
812         if (!found) /* fallback to defaults */
813                 radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
814
815         return tv_dac;
816 }
817
818 static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
819                                                                          radeon_device
820                                                                          *rdev)
821 {
822         struct radeon_encoder_lvds *lvds = NULL;
823         uint32_t fp_vert_stretch, fp_horz_stretch;
824         uint32_t ppll_div_sel, ppll_val;
825         uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
826
827         lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
828
829         if (!lvds)
830                 return NULL;
831
832         fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH);
833         fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH);
834
835         /* These should be fail-safe defaults, fingers crossed */
836         lvds->panel_pwr_delay = 200;
837         lvds->panel_vcc_delay = 2000;
838
839         lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
840         lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf;
841         lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf;
842
843         if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
844                 lvds->native_mode.vdisplay =
845                     ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
846                      RADEON_VERT_PANEL_SHIFT) + 1;
847         else
848                 lvds->native_mode.vdisplay =
849                     (RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;
850
851         if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
852                 lvds->native_mode.hdisplay =
853                     (((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
854                       RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
855         else
856                 lvds->native_mode.hdisplay =
857                     ((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;
858
859         if ((lvds->native_mode.hdisplay < 640) ||
860             (lvds->native_mode.vdisplay < 480)) {
861                 lvds->native_mode.hdisplay = 640;
862                 lvds->native_mode.vdisplay = 480;
863         }
864
865         ppll_div_sel = RREG8(RADEON_CLOCK_CNTL_INDEX + 1) & 0x3;
866         ppll_val = RREG32_PLL(RADEON_PPLL_DIV_0 + ppll_div_sel);
867         if ((ppll_val & 0x000707ff) == 0x1bb)
868                 lvds->use_bios_dividers = false;
869         else {
870                 lvds->panel_ref_divider =
871                     RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
872                 lvds->panel_post_divider = (ppll_val >> 16) & 0x7;
873                 lvds->panel_fb_divider = ppll_val & 0x7ff;
874
875                 if ((lvds->panel_ref_divider != 0) &&
876                     (lvds->panel_fb_divider > 3))
877                         lvds->use_bios_dividers = true;
878         }
879         lvds->panel_vcc_delay = 200;
880
881         DRM_INFO("Panel info derived from registers\n");
882         DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
883                  lvds->native_mode.vdisplay);
884
885         return lvds;
886 }
887
888 struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
889                                                          *encoder)
890 {
891         struct drm_device *dev = encoder->base.dev;
892         struct radeon_device *rdev = dev->dev_private;
893         uint16_t lcd_info;
894         uint32_t panel_setup;
895         char stmp[30];
896         int tmp, i;
897         struct radeon_encoder_lvds *lvds = NULL;
898
899         if (rdev->bios == NULL) {
900                 lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
901                 goto out;
902         }
903
904         lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
905
906         if (lcd_info) {
907                 lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
908
909                 if (!lvds)
910                         return NULL;
911
912                 for (i = 0; i < 24; i++)
913                         stmp[i] = RBIOS8(lcd_info + i + 1);
914                 stmp[24] = 0;
915
916                 DRM_INFO("Panel ID String: %s\n", stmp);
917
918                 lvds->native_mode.hdisplay = RBIOS16(lcd_info + 0x19);
919                 lvds->native_mode.vdisplay = RBIOS16(lcd_info + 0x1b);
920
921                 DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
922                          lvds->native_mode.vdisplay);
923
924                 lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
925                 if (lvds->panel_vcc_delay > 2000 || lvds->panel_vcc_delay < 0)
926                         lvds->panel_vcc_delay = 2000;
927
928                 lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24);
929                 lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf;
930                 lvds->panel_blon_delay = (RBIOS16(lcd_info + 0x38) >> 4) & 0xf;
931
932                 lvds->panel_ref_divider = RBIOS16(lcd_info + 0x2e);
933                 lvds->panel_post_divider = RBIOS8(lcd_info + 0x30);
934                 lvds->panel_fb_divider = RBIOS16(lcd_info + 0x31);
935                 if ((lvds->panel_ref_divider != 0) &&
936                     (lvds->panel_fb_divider > 3))
937                         lvds->use_bios_dividers = true;
938
939                 panel_setup = RBIOS32(lcd_info + 0x39);
940                 lvds->lvds_gen_cntl = 0xff00;
941                 if (panel_setup & 0x1)
942                         lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
943
944                 if ((panel_setup >> 4) & 0x1)
945                         lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
946
947                 switch ((panel_setup >> 8) & 0x7) {
948                 case 0:
949                         lvds->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
950                         break;
951                 case 1:
952                         lvds->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
953                         break;
954                 case 2:
955                         lvds->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
956                         break;
957                 default:
958                         break;
959                 }
960
961                 if ((panel_setup >> 16) & 0x1)
962                         lvds->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
963
964                 if ((panel_setup >> 17) & 0x1)
965                         lvds->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
966
967                 if ((panel_setup >> 18) & 0x1)
968                         lvds->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
969
970                 if ((panel_setup >> 23) & 0x1)
971                         lvds->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
972
973                 lvds->lvds_gen_cntl |= (panel_setup & 0xf0000000);
974
975                 for (i = 0; i < 32; i++) {
976                         tmp = RBIOS16(lcd_info + 64 + i * 2);
977                         if (tmp == 0)
978                                 break;
979
980                         if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
981                             (RBIOS16(tmp + 2) ==
982                              lvds->native_mode.vdisplay)) {
983                                 lvds->native_mode.htotal = RBIOS16(tmp + 17) * 8;
984                                 lvds->native_mode.hsync_start = RBIOS16(tmp + 21) * 8;
985                                 lvds->native_mode.hsync_end = (RBIOS8(tmp + 23) +
986                                                                RBIOS16(tmp + 21)) * 8;
987
988                                 lvds->native_mode.vtotal = RBIOS16(tmp + 24);
989                                 lvds->native_mode.vsync_start = RBIOS16(tmp + 28) & 0x7ff;
990                                 lvds->native_mode.vsync_end =
991                                         ((RBIOS16(tmp + 28) & 0xf800) >> 11) +
992                                         (RBIOS16(tmp + 28) & 0x7ff);
993
994                                 lvds->native_mode.clock = RBIOS16(tmp + 9) * 10;
995                                 lvds->native_mode.flags = 0;
996                                 /* set crtc values */
997                                 drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
998
999                         }
1000                 }
1001         } else {
1002                 DRM_INFO("No panel info found in BIOS\n");
1003                 lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
1004         }
1005 out:
1006         if (lvds)
1007                 encoder->native_mode = lvds->native_mode;
1008         return lvds;
1009 }
1010
1011 static const struct radeon_tmds_pll default_tmds_pll[CHIP_LAST][4] = {
1012         {{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_R100  */
1013         {{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_RV100 */
1014         {{0, 0}, {0, 0}, {0, 0}, {0, 0}},       /* CHIP_RS100 */
1015         {{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_RV200 */
1016         {{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_RS200 */
1017         {{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_R200  */
1018         {{15500, 0x81b}, {0xffffffff, 0x83f}, {0, 0}, {0, 0}},  /* CHIP_RV250 */
1019         {{0, 0}, {0, 0}, {0, 0}, {0, 0}},       /* CHIP_RS300 */
1020         {{13000, 0x400f4}, {15000, 0x400f7}, {0xffffffff, 0x40111}, {0, 0}},    /* CHIP_RV280 */
1021         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_R300  */
1022         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_R350  */
1023         {{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},      /* CHIP_RV350 */
1024         {{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},      /* CHIP_RV380 */
1025         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_R420  */
1026         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_R423  */
1027         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_RV410 */
1028         { {0, 0}, {0, 0}, {0, 0}, {0, 0} },     /* CHIP_RS400 */
1029         { {0, 0}, {0, 0}, {0, 0}, {0, 0} },     /* CHIP_RS480 */
1030 };
1031
1032 bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
1033                                             struct radeon_encoder_int_tmds *tmds)
1034 {
1035         struct drm_device *dev = encoder->base.dev;
1036         struct radeon_device *rdev = dev->dev_private;
1037         int i;
1038
1039         for (i = 0; i < 4; i++) {
1040                 tmds->tmds_pll[i].value =
1041                         default_tmds_pll[rdev->family][i].value;
1042                 tmds->tmds_pll[i].freq = default_tmds_pll[rdev->family][i].freq;
1043         }
1044
1045         return true;
1046 }
1047
1048 bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
1049                                               struct radeon_encoder_int_tmds *tmds)
1050 {
1051         struct drm_device *dev = encoder->base.dev;
1052         struct radeon_device *rdev = dev->dev_private;
1053         uint16_t tmds_info;
1054         int i, n;
1055         uint8_t ver;
1056
1057         if (rdev->bios == NULL)
1058                 return false;
1059
1060         tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1061
1062         if (tmds_info) {
1063                 ver = RBIOS8(tmds_info);
1064                 DRM_INFO("DFP table revision: %d\n", ver);
1065                 if (ver == 3) {
1066                         n = RBIOS8(tmds_info + 5) + 1;
1067                         if (n > 4)
1068                                 n = 4;
1069                         for (i = 0; i < n; i++) {
1070                                 tmds->tmds_pll[i].value =
1071                                     RBIOS32(tmds_info + i * 10 + 0x08);
1072                                 tmds->tmds_pll[i].freq =
1073                                     RBIOS16(tmds_info + i * 10 + 0x10);
1074                                 DRM_DEBUG("TMDS PLL From COMBIOS %u %x\n",
1075                                           tmds->tmds_pll[i].freq,
1076                                           tmds->tmds_pll[i].value);
1077                         }
1078                 } else if (ver == 4) {
1079                         int stride = 0;
1080                         n = RBIOS8(tmds_info + 5) + 1;
1081                         if (n > 4)
1082                                 n = 4;
1083                         for (i = 0; i < n; i++) {
1084                                 tmds->tmds_pll[i].value =
1085                                     RBIOS32(tmds_info + stride + 0x08);
1086                                 tmds->tmds_pll[i].freq =
1087                                     RBIOS16(tmds_info + stride + 0x10);
1088                                 if (i == 0)
1089                                         stride += 10;
1090                                 else
1091                                         stride += 6;
1092                                 DRM_DEBUG("TMDS PLL From COMBIOS %u %x\n",
1093                                           tmds->tmds_pll[i].freq,
1094                                           tmds->tmds_pll[i].value);
1095                         }
1096                 }
1097         } else {
1098                 DRM_INFO("No TMDS info found in BIOS\n");
1099                 return false;
1100         }
1101         return true;
1102 }
1103
1104 bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
1105                                                 struct radeon_encoder_ext_tmds *tmds)
1106 {
1107         struct drm_device *dev = encoder->base.dev;
1108         struct radeon_device *rdev = dev->dev_private;
1109         struct radeon_i2c_bus_rec i2c_bus;
1110
1111         /* default for macs */
1112         i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_MONID);
1113         tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO");
1114
1115         /* XXX some macs have duallink chips */
1116         switch (rdev->mode_info.connector_table) {
1117         case CT_POWERBOOK_EXTERNAL:
1118         case CT_MINI_EXTERNAL:
1119         default:
1120                 tmds->dvo_chip = DVO_SIL164;
1121                 tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1122                 break;
1123         }
1124
1125         return true;
1126 }
1127
1128 bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
1129                                                   struct radeon_encoder_ext_tmds *tmds)
1130 {
1131         struct drm_device *dev = encoder->base.dev;
1132         struct radeon_device *rdev = dev->dev_private;
1133         uint16_t offset;
1134         uint8_t ver, id, blocks, clk, data;
1135         int i;
1136         enum radeon_combios_ddc gpio;
1137         struct radeon_i2c_bus_rec i2c_bus;
1138
1139         if (rdev->bios == NULL)
1140                 return false;
1141
1142         tmds->i2c_bus = NULL;
1143         if (rdev->flags & RADEON_IS_IGP) {
1144                 offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE);
1145                 if (offset) {
1146                         ver = RBIOS8(offset);
1147                         DRM_INFO("GPIO Table revision: %d\n", ver);
1148                         blocks = RBIOS8(offset + 2);
1149                         for (i = 0; i < blocks; i++) {
1150                                 id = RBIOS8(offset + 3 + (i * 5) + 0);
1151                                 if (id == 136) {
1152                                         clk = RBIOS8(offset + 3 + (i * 5) + 3);
1153                                         data = RBIOS8(offset + 3 + (i * 5) + 4);
1154                                         i2c_bus.valid = true;
1155                                         i2c_bus.mask_clk_mask = (1 << clk);
1156                                         i2c_bus.mask_data_mask = (1 << data);
1157                                         i2c_bus.a_clk_mask = (1 << clk);
1158                                         i2c_bus.a_data_mask = (1 << data);
1159                                         i2c_bus.en_clk_mask = (1 << clk);
1160                                         i2c_bus.en_data_mask = (1 << data);
1161                                         i2c_bus.y_clk_mask = (1 << clk);
1162                                         i2c_bus.y_data_mask = (1 << data);
1163                                         i2c_bus.mask_clk_reg = RADEON_GPIOPAD_MASK;
1164                                         i2c_bus.mask_data_reg = RADEON_GPIOPAD_MASK;
1165                                         i2c_bus.a_clk_reg = RADEON_GPIOPAD_A;
1166                                         i2c_bus.a_data_reg = RADEON_GPIOPAD_A;
1167                                         i2c_bus.en_clk_reg = RADEON_GPIOPAD_EN;
1168                                         i2c_bus.en_data_reg = RADEON_GPIOPAD_EN;
1169                                         i2c_bus.y_clk_reg = RADEON_GPIOPAD_Y;
1170                                         i2c_bus.y_data_reg = RADEON_GPIOPAD_Y;
1171                                         tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO");
1172                                         tmds->dvo_chip = DVO_SIL164;
1173                                         tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1174                                         break;
1175                                 }
1176                         }
1177                 }
1178         } else {
1179                 offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
1180                 if (offset) {
1181                         ver = RBIOS8(offset);
1182                         DRM_INFO("External TMDS Table revision: %d\n", ver);
1183                         tmds->slave_addr = RBIOS8(offset + 4 + 2);
1184                         tmds->slave_addr >>= 1; /* 7 bit addressing */
1185                         gpio = RBIOS8(offset + 4 + 3);
1186                         switch (gpio) {
1187                         case DDC_MONID:
1188                                 i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_MONID);
1189                                 tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO");
1190                                 break;
1191                         case DDC_DVI:
1192                                 i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
1193                                 tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO");
1194                                 break;
1195                         case DDC_VGA:
1196                                 i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
1197                                 tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO");
1198                                 break;
1199                         case DDC_CRT2:
1200                                 /* R3xx+ chips don't have GPIO_CRT2_DDC gpio pad */
1201                                 if (rdev->family >= CHIP_R300)
1202                                         i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_MONID);
1203                                 else
1204                                         i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_CRT2_DDC);
1205                                 tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO");
1206                                 break;
1207                         case DDC_LCD: /* MM i2c */
1208                                 DRM_ERROR("MM i2c requires hw i2c engine\n");
1209                                 break;
1210                         default:
1211                                 DRM_ERROR("Unsupported gpio %d\n", gpio);
1212                                 break;
1213                         }
1214                 }
1215         }
1216
1217         if (!tmds->i2c_bus) {
1218                 DRM_INFO("No valid Ext TMDS info found in BIOS\n");
1219                 return false;
1220         }
1221
1222         return true;
1223 }
1224
1225 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
1226 {
1227         struct radeon_device *rdev = dev->dev_private;
1228         struct radeon_i2c_bus_rec ddc_i2c;
1229
1230         rdev->mode_info.connector_table = radeon_connector_table;
1231         if (rdev->mode_info.connector_table == CT_NONE) {
1232 #ifdef CONFIG_PPC_PMAC
1233                 if (machine_is_compatible("PowerBook3,3")) {
1234                         /* powerbook with VGA */
1235                         rdev->mode_info.connector_table = CT_POWERBOOK_VGA;
1236                 } else if (machine_is_compatible("PowerBook3,4") ||
1237                            machine_is_compatible("PowerBook3,5")) {
1238                         /* powerbook with internal tmds */
1239                         rdev->mode_info.connector_table = CT_POWERBOOK_INTERNAL;
1240                 } else if (machine_is_compatible("PowerBook5,1") ||
1241                            machine_is_compatible("PowerBook5,2") ||
1242                            machine_is_compatible("PowerBook5,3") ||
1243                            machine_is_compatible("PowerBook5,4") ||
1244                            machine_is_compatible("PowerBook5,5")) {
1245                         /* powerbook with external single link tmds (sil164) */
1246                         rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1247                 } else if (machine_is_compatible("PowerBook5,6")) {
1248                         /* powerbook with external dual or single link tmds */
1249                         rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1250                 } else if (machine_is_compatible("PowerBook5,7") ||
1251                            machine_is_compatible("PowerBook5,8") ||
1252                            machine_is_compatible("PowerBook5,9")) {
1253                         /* PowerBook6,2 ? */
1254                         /* powerbook with external dual link tmds (sil1178?) */
1255                         rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1256                 } else if (machine_is_compatible("PowerBook4,1") ||
1257                            machine_is_compatible("PowerBook4,2") ||
1258                            machine_is_compatible("PowerBook4,3") ||
1259                            machine_is_compatible("PowerBook6,3") ||
1260                            machine_is_compatible("PowerBook6,5") ||
1261                            machine_is_compatible("PowerBook6,7")) {
1262                         /* ibook */
1263                         rdev->mode_info.connector_table = CT_IBOOK;
1264                 } else if (machine_is_compatible("PowerMac4,4")) {
1265                         /* emac */
1266                         rdev->mode_info.connector_table = CT_EMAC;
1267                 } else if (machine_is_compatible("PowerMac10,1")) {
1268                         /* mini with internal tmds */
1269                         rdev->mode_info.connector_table = CT_MINI_INTERNAL;
1270                 } else if (machine_is_compatible("PowerMac10,2")) {
1271                         /* mini with external tmds */
1272                         rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
1273                 } else if (machine_is_compatible("PowerMac12,1")) {
1274                         /* PowerMac8,1 ? */
1275                         /* imac g5 isight */
1276                         rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
1277                 } else
1278 #endif /* CONFIG_PPC_PMAC */
1279                         rdev->mode_info.connector_table = CT_GENERIC;
1280         }
1281
1282         switch (rdev->mode_info.connector_table) {
1283         case CT_GENERIC:
1284                 DRM_INFO("Connector Table: %d (generic)\n",
1285                          rdev->mode_info.connector_table);
1286                 /* these are the most common settings */
1287                 if (rdev->flags & RADEON_SINGLE_CRTC) {
1288                         /* VGA - primary dac */
1289                         ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
1290                         radeon_add_legacy_encoder(dev,
1291                                                   radeon_get_encoder_id(dev,
1292                                                                         ATOM_DEVICE_CRT1_SUPPORT,
1293                                                                         1),
1294                                                   ATOM_DEVICE_CRT1_SUPPORT);
1295                         radeon_add_legacy_connector(dev, 0,
1296                                                     ATOM_DEVICE_CRT1_SUPPORT,
1297                                                     DRM_MODE_CONNECTOR_VGA,
1298                                                     &ddc_i2c,
1299                                                     CONNECTOR_OBJECT_ID_VGA);
1300                 } else if (rdev->flags & RADEON_IS_MOBILITY) {
1301                         /* LVDS */
1302                         ddc_i2c = combios_setup_i2c_bus(rdev, 0);
1303                         radeon_add_legacy_encoder(dev,
1304                                                   radeon_get_encoder_id(dev,
1305                                                                         ATOM_DEVICE_LCD1_SUPPORT,
1306                                                                         0),
1307                                                   ATOM_DEVICE_LCD1_SUPPORT);
1308                         radeon_add_legacy_connector(dev, 0,
1309                                                     ATOM_DEVICE_LCD1_SUPPORT,
1310                                                     DRM_MODE_CONNECTOR_LVDS,
1311                                                     &ddc_i2c,
1312                                                     CONNECTOR_OBJECT_ID_LVDS);
1313
1314                         /* VGA - primary dac */
1315                         ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
1316                         radeon_add_legacy_encoder(dev,
1317                                                   radeon_get_encoder_id(dev,
1318                                                                         ATOM_DEVICE_CRT1_SUPPORT,
1319                                                                         1),
1320                                                   ATOM_DEVICE_CRT1_SUPPORT);
1321                         radeon_add_legacy_connector(dev, 1,
1322                                                     ATOM_DEVICE_CRT1_SUPPORT,
1323                                                     DRM_MODE_CONNECTOR_VGA,
1324                                                     &ddc_i2c,
1325                                                     CONNECTOR_OBJECT_ID_VGA);
1326                 } else {
1327                         /* DVI-I - tv dac, int tmds */
1328                         ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
1329                         radeon_add_legacy_encoder(dev,
1330                                                   radeon_get_encoder_id(dev,
1331                                                                         ATOM_DEVICE_DFP1_SUPPORT,
1332                                                                         0),
1333                                                   ATOM_DEVICE_DFP1_SUPPORT);
1334                         radeon_add_legacy_encoder(dev,
1335                                                   radeon_get_encoder_id(dev,
1336                                                                         ATOM_DEVICE_CRT2_SUPPORT,
1337                                                                         2),
1338                                                   ATOM_DEVICE_CRT2_SUPPORT);
1339                         radeon_add_legacy_connector(dev, 0,
1340                                                     ATOM_DEVICE_DFP1_SUPPORT |
1341                                                     ATOM_DEVICE_CRT2_SUPPORT,
1342                                                     DRM_MODE_CONNECTOR_DVII,
1343                                                     &ddc_i2c,
1344                                                     CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I);
1345
1346                         /* VGA - primary dac */
1347                         ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
1348                         radeon_add_legacy_encoder(dev,
1349                                                   radeon_get_encoder_id(dev,
1350                                                                         ATOM_DEVICE_CRT1_SUPPORT,
1351                                                                         1),
1352                                                   ATOM_DEVICE_CRT1_SUPPORT);
1353                         radeon_add_legacy_connector(dev, 1,
1354                                                     ATOM_DEVICE_CRT1_SUPPORT,
1355                                                     DRM_MODE_CONNECTOR_VGA,
1356                                                     &ddc_i2c,
1357                                                     CONNECTOR_OBJECT_ID_VGA);
1358                 }
1359
1360                 if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1361                         /* TV - tv dac */
1362                         radeon_add_legacy_encoder(dev,
1363                                                   radeon_get_encoder_id(dev,
1364                                                                         ATOM_DEVICE_TV1_SUPPORT,
1365                                                                         2),
1366                                                   ATOM_DEVICE_TV1_SUPPORT);
1367                         radeon_add_legacy_connector(dev, 2,
1368                                                     ATOM_DEVICE_TV1_SUPPORT,
1369                                                     DRM_MODE_CONNECTOR_SVIDEO,
1370                                                     &ddc_i2c,
1371                                                     CONNECTOR_OBJECT_ID_SVIDEO);
1372                 }
1373                 break;
1374         case CT_IBOOK:
1375                 DRM_INFO("Connector Table: %d (ibook)\n",
1376                          rdev->mode_info.connector_table);
1377                 /* LVDS */
1378                 ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
1379                 radeon_add_legacy_encoder(dev,
1380                                           radeon_get_encoder_id(dev,
1381                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1382                                                                 0),
1383                                           ATOM_DEVICE_LCD1_SUPPORT);
1384                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1385                                             DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1386                                             CONNECTOR_OBJECT_ID_LVDS);
1387                 /* VGA - TV DAC */
1388                 ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
1389                 radeon_add_legacy_encoder(dev,
1390                                           radeon_get_encoder_id(dev,
1391                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1392                                                                 2),
1393                                           ATOM_DEVICE_CRT2_SUPPORT);
1394                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1395                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1396                                             CONNECTOR_OBJECT_ID_VGA);
1397                 /* TV - TV DAC */
1398                 radeon_add_legacy_encoder(dev,
1399                                           radeon_get_encoder_id(dev,
1400                                                                 ATOM_DEVICE_TV1_SUPPORT,
1401                                                                 2),
1402                                           ATOM_DEVICE_TV1_SUPPORT);
1403                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1404                                             DRM_MODE_CONNECTOR_SVIDEO,
1405                                             &ddc_i2c,
1406                                             CONNECTOR_OBJECT_ID_SVIDEO);
1407                 break;
1408         case CT_POWERBOOK_EXTERNAL:
1409                 DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
1410                          rdev->mode_info.connector_table);
1411                 /* LVDS */
1412                 ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
1413                 radeon_add_legacy_encoder(dev,
1414                                           radeon_get_encoder_id(dev,
1415                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1416                                                                 0),
1417                                           ATOM_DEVICE_LCD1_SUPPORT);
1418                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1419                                             DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1420                                             CONNECTOR_OBJECT_ID_LVDS);
1421                 /* DVI-I - primary dac, ext tmds */
1422                 ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
1423                 radeon_add_legacy_encoder(dev,
1424                                           radeon_get_encoder_id(dev,
1425                                                                 ATOM_DEVICE_DFP2_SUPPORT,
1426                                                                 0),
1427                                           ATOM_DEVICE_DFP2_SUPPORT);
1428                 radeon_add_legacy_encoder(dev,
1429                                           radeon_get_encoder_id(dev,
1430                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1431                                                                 1),
1432                                           ATOM_DEVICE_CRT1_SUPPORT);
1433                 /* XXX some are SL */
1434                 radeon_add_legacy_connector(dev, 1,
1435                                             ATOM_DEVICE_DFP2_SUPPORT |
1436                                             ATOM_DEVICE_CRT1_SUPPORT,
1437                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1438                                             CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I);
1439                 /* TV - TV DAC */
1440                 radeon_add_legacy_encoder(dev,
1441                                           radeon_get_encoder_id(dev,
1442                                                                 ATOM_DEVICE_TV1_SUPPORT,
1443                                                                 2),
1444                                           ATOM_DEVICE_TV1_SUPPORT);
1445                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1446                                             DRM_MODE_CONNECTOR_SVIDEO,
1447                                             &ddc_i2c,
1448                                             CONNECTOR_OBJECT_ID_SVIDEO);
1449                 break;
1450         case CT_POWERBOOK_INTERNAL:
1451                 DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
1452                          rdev->mode_info.connector_table);
1453                 /* LVDS */
1454                 ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
1455                 radeon_add_legacy_encoder(dev,
1456                                           radeon_get_encoder_id(dev,
1457                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1458                                                                 0),
1459                                           ATOM_DEVICE_LCD1_SUPPORT);
1460                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1461                                             DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1462                                             CONNECTOR_OBJECT_ID_LVDS);
1463                 /* DVI-I - primary dac, int tmds */
1464                 ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
1465                 radeon_add_legacy_encoder(dev,
1466                                           radeon_get_encoder_id(dev,
1467                                                                 ATOM_DEVICE_DFP1_SUPPORT,
1468                                                                 0),
1469                                           ATOM_DEVICE_DFP1_SUPPORT);
1470                 radeon_add_legacy_encoder(dev,
1471                                           radeon_get_encoder_id(dev,
1472                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1473                                                                 1),
1474                                           ATOM_DEVICE_CRT1_SUPPORT);
1475                 radeon_add_legacy_connector(dev, 1,
1476                                             ATOM_DEVICE_DFP1_SUPPORT |
1477                                             ATOM_DEVICE_CRT1_SUPPORT,
1478                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1479                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I);
1480                 /* TV - TV DAC */
1481                 radeon_add_legacy_encoder(dev,
1482                                           radeon_get_encoder_id(dev,
1483                                                                 ATOM_DEVICE_TV1_SUPPORT,
1484                                                                 2),
1485                                           ATOM_DEVICE_TV1_SUPPORT);
1486                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1487                                             DRM_MODE_CONNECTOR_SVIDEO,
1488                                             &ddc_i2c,
1489                                             CONNECTOR_OBJECT_ID_SVIDEO);
1490                 break;
1491         case CT_POWERBOOK_VGA:
1492                 DRM_INFO("Connector Table: %d (powerbook vga)\n",
1493                          rdev->mode_info.connector_table);
1494                 /* LVDS */
1495                 ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
1496                 radeon_add_legacy_encoder(dev,
1497                                           radeon_get_encoder_id(dev,
1498                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1499                                                                 0),
1500                                           ATOM_DEVICE_LCD1_SUPPORT);
1501                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1502                                             DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1503                                             CONNECTOR_OBJECT_ID_LVDS);
1504                 /* VGA - primary dac */
1505                 ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
1506                 radeon_add_legacy_encoder(dev,
1507                                           radeon_get_encoder_id(dev,
1508                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1509                                                                 1),
1510                                           ATOM_DEVICE_CRT1_SUPPORT);
1511                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
1512                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1513                                             CONNECTOR_OBJECT_ID_VGA);
1514                 /* TV - TV DAC */
1515                 radeon_add_legacy_encoder(dev,
1516                                           radeon_get_encoder_id(dev,
1517                                                                 ATOM_DEVICE_TV1_SUPPORT,
1518                                                                 2),
1519                                           ATOM_DEVICE_TV1_SUPPORT);
1520                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1521                                             DRM_MODE_CONNECTOR_SVIDEO,
1522                                             &ddc_i2c,
1523                                             CONNECTOR_OBJECT_ID_SVIDEO);
1524                 break;
1525         case CT_MINI_EXTERNAL:
1526                 DRM_INFO("Connector Table: %d (mini external tmds)\n",
1527                          rdev->mode_info.connector_table);
1528                 /* DVI-I - tv dac, ext tmds */
1529                 ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_CRT2_DDC);
1530                 radeon_add_legacy_encoder(dev,
1531                                           radeon_get_encoder_id(dev,
1532                                                                 ATOM_DEVICE_DFP2_SUPPORT,
1533                                                                 0),
1534                                           ATOM_DEVICE_DFP2_SUPPORT);
1535                 radeon_add_legacy_encoder(dev,
1536                                           radeon_get_encoder_id(dev,
1537                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1538                                                                 2),
1539                                           ATOM_DEVICE_CRT2_SUPPORT);
1540                 /* XXX are any DL? */
1541                 radeon_add_legacy_connector(dev, 0,
1542                                             ATOM_DEVICE_DFP2_SUPPORT |
1543                                             ATOM_DEVICE_CRT2_SUPPORT,
1544                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1545                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I);
1546                 /* TV - TV DAC */
1547                 radeon_add_legacy_encoder(dev,
1548                                           radeon_get_encoder_id(dev,
1549                                                                 ATOM_DEVICE_TV1_SUPPORT,
1550                                                                 2),
1551                                           ATOM_DEVICE_TV1_SUPPORT);
1552                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1553                                             DRM_MODE_CONNECTOR_SVIDEO,
1554                                             &ddc_i2c,
1555                                             CONNECTOR_OBJECT_ID_SVIDEO);
1556                 break;
1557         case CT_MINI_INTERNAL:
1558                 DRM_INFO("Connector Table: %d (mini internal tmds)\n",
1559                          rdev->mode_info.connector_table);
1560                 /* DVI-I - tv dac, int tmds */
1561                 ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_CRT2_DDC);
1562                 radeon_add_legacy_encoder(dev,
1563                                           radeon_get_encoder_id(dev,
1564                                                                 ATOM_DEVICE_DFP1_SUPPORT,
1565                                                                 0),
1566                                           ATOM_DEVICE_DFP1_SUPPORT);
1567                 radeon_add_legacy_encoder(dev,
1568                                           radeon_get_encoder_id(dev,
1569                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1570                                                                 2),
1571                                           ATOM_DEVICE_CRT2_SUPPORT);
1572                 radeon_add_legacy_connector(dev, 0,
1573                                             ATOM_DEVICE_DFP1_SUPPORT |
1574                                             ATOM_DEVICE_CRT2_SUPPORT,
1575                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1576                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I);
1577                 /* TV - TV DAC */
1578                 radeon_add_legacy_encoder(dev,
1579                                           radeon_get_encoder_id(dev,
1580                                                                 ATOM_DEVICE_TV1_SUPPORT,
1581                                                                 2),
1582                                           ATOM_DEVICE_TV1_SUPPORT);
1583                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1584                                             DRM_MODE_CONNECTOR_SVIDEO,
1585                                             &ddc_i2c,
1586                                             CONNECTOR_OBJECT_ID_SVIDEO);
1587                 break;
1588         case CT_IMAC_G5_ISIGHT:
1589                 DRM_INFO("Connector Table: %d (imac g5 isight)\n",
1590                          rdev->mode_info.connector_table);
1591                 /* DVI-D - int tmds */
1592                 ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_MONID);
1593                 radeon_add_legacy_encoder(dev,
1594                                           radeon_get_encoder_id(dev,
1595                                                                 ATOM_DEVICE_DFP1_SUPPORT,
1596                                                                 0),
1597                                           ATOM_DEVICE_DFP1_SUPPORT);
1598                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
1599                                             DRM_MODE_CONNECTOR_DVID, &ddc_i2c,
1600                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D);
1601                 /* VGA - tv dac */
1602                 ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
1603                 radeon_add_legacy_encoder(dev,
1604                                           radeon_get_encoder_id(dev,
1605                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1606                                                                 2),
1607                                           ATOM_DEVICE_CRT2_SUPPORT);
1608                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1609                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1610                                             CONNECTOR_OBJECT_ID_VGA);
1611                 /* TV - TV DAC */
1612                 radeon_add_legacy_encoder(dev,
1613                                           radeon_get_encoder_id(dev,
1614                                                                 ATOM_DEVICE_TV1_SUPPORT,
1615                                                                 2),
1616                                           ATOM_DEVICE_TV1_SUPPORT);
1617                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1618                                             DRM_MODE_CONNECTOR_SVIDEO,
1619                                             &ddc_i2c,
1620                                             CONNECTOR_OBJECT_ID_SVIDEO);
1621                 break;
1622         case CT_EMAC:
1623                 DRM_INFO("Connector Table: %d (emac)\n",
1624                          rdev->mode_info.connector_table);
1625                 /* VGA - primary dac */
1626                 ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
1627                 radeon_add_legacy_encoder(dev,
1628                                           radeon_get_encoder_id(dev,
1629                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1630                                                                 1),
1631                                           ATOM_DEVICE_CRT1_SUPPORT);
1632                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1633                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1634                                             CONNECTOR_OBJECT_ID_VGA);
1635                 /* VGA - tv dac */
1636                 ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_CRT2_DDC);
1637                 radeon_add_legacy_encoder(dev,
1638                                           radeon_get_encoder_id(dev,
1639                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1640                                                                 2),
1641                                           ATOM_DEVICE_CRT2_SUPPORT);
1642                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1643                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1644                                             CONNECTOR_OBJECT_ID_VGA);
1645                 /* TV - TV DAC */
1646                 radeon_add_legacy_encoder(dev,
1647                                           radeon_get_encoder_id(dev,
1648                                                                 ATOM_DEVICE_TV1_SUPPORT,
1649                                                                 2),
1650                                           ATOM_DEVICE_TV1_SUPPORT);
1651                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1652                                             DRM_MODE_CONNECTOR_SVIDEO,
1653                                             &ddc_i2c,
1654                                             CONNECTOR_OBJECT_ID_SVIDEO);
1655                 break;
1656         default:
1657                 DRM_INFO("Connector table: %d (invalid)\n",
1658                          rdev->mode_info.connector_table);
1659                 return false;
1660         }
1661
1662         radeon_link_encoder_connector(dev);
1663
1664         return true;
1665 }
1666
1667 static bool radeon_apply_legacy_quirks(struct drm_device *dev,
1668                                        int bios_index,
1669                                        enum radeon_combios_connector
1670                                        *legacy_connector,
1671                                        struct radeon_i2c_bus_rec *ddc_i2c)
1672 {
1673         struct radeon_device *rdev = dev->dev_private;
1674
1675         /* XPRESS DDC quirks */
1676         if ((rdev->family == CHIP_RS400 ||
1677              rdev->family == CHIP_RS480) &&
1678             ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
1679                 *ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_MONID);
1680         else if ((rdev->family == CHIP_RS400 ||
1681                   rdev->family == CHIP_RS480) &&
1682                  ddc_i2c->mask_clk_reg == RADEON_GPIO_MONID) {
1683                 *ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIOPAD_MASK);
1684                 ddc_i2c->mask_clk_mask = (0x20 << 8);
1685                 ddc_i2c->mask_data_mask = 0x80;
1686                 ddc_i2c->a_clk_mask = (0x20 << 8);
1687                 ddc_i2c->a_data_mask = 0x80;
1688                 ddc_i2c->en_clk_mask = (0x20 << 8);
1689                 ddc_i2c->en_data_mask = 0x80;
1690                 ddc_i2c->y_clk_mask = (0x20 << 8);
1691                 ddc_i2c->y_data_mask = 0x80;
1692         }
1693
1694         /* R3xx+ chips don't have GPIO_CRT2_DDC gpio pad */
1695         if ((rdev->family >= CHIP_R300) &&
1696             ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
1697                 *ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
1698
1699         /* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
1700            one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
1701         if (dev->pdev->device == 0x515e &&
1702             dev->pdev->subsystem_vendor == 0x1014) {
1703                 if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
1704                     ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
1705                         return false;
1706         }
1707
1708         /* Some RV100 cards with 2 VGA ports show up with DVI+VGA */
1709         if (dev->pdev->device == 0x5159 &&
1710             dev->pdev->subsystem_vendor == 0x1002 &&
1711             dev->pdev->subsystem_device == 0x013a) {
1712                 if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
1713                         *legacy_connector = CONNECTOR_CRT_LEGACY;
1714
1715         }
1716
1717         /* X300 card with extra non-existent DVI port */
1718         if (dev->pdev->device == 0x5B60 &&
1719             dev->pdev->subsystem_vendor == 0x17af &&
1720             dev->pdev->subsystem_device == 0x201e && bios_index == 2) {
1721                 if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
1722                         return false;
1723         }
1724
1725         return true;
1726 }
1727
1728 static bool radeon_apply_legacy_tv_quirks(struct drm_device *dev)
1729 {
1730         /* Acer 5102 has non-existent TV port */
1731         if (dev->pdev->device == 0x5975 &&
1732             dev->pdev->subsystem_vendor == 0x1025 &&
1733             dev->pdev->subsystem_device == 0x009f)
1734                 return false;
1735
1736         /* HP dc5750 has non-existent TV port */
1737         if (dev->pdev->device == 0x5974 &&
1738             dev->pdev->subsystem_vendor == 0x103c &&
1739             dev->pdev->subsystem_device == 0x280a)
1740                 return false;
1741
1742         /* MSI S270 has non-existent TV port */
1743         if (dev->pdev->device == 0x5955 &&
1744             dev->pdev->subsystem_vendor == 0x1462 &&
1745             dev->pdev->subsystem_device == 0x0131)
1746                 return false;
1747
1748         return true;
1749 }
1750
1751 static uint16_t combios_check_dl_dvi(struct drm_device *dev, int is_dvi_d)
1752 {
1753         struct radeon_device *rdev = dev->dev_private;
1754         uint32_t ext_tmds_info;
1755
1756         if (rdev->flags & RADEON_IS_IGP) {
1757                 if (is_dvi_d)
1758                         return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
1759                 else
1760                         return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
1761         }
1762         ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
1763         if (ext_tmds_info) {
1764                 uint8_t rev = RBIOS8(ext_tmds_info);
1765                 uint8_t flags = RBIOS8(ext_tmds_info + 4 + 5);
1766                 if (rev >= 3) {
1767                         if (is_dvi_d)
1768                                 return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
1769                         else
1770                                 return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
1771                 } else {
1772                         if (flags & 1) {
1773                                 if (is_dvi_d)
1774                                         return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
1775                                 else
1776                                         return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
1777                         }
1778                 }
1779         }
1780         if (is_dvi_d)
1781                 return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
1782         else
1783                 return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
1784 }
1785
1786 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
1787 {
1788         struct radeon_device *rdev = dev->dev_private;
1789         uint32_t conn_info, entry, devices;
1790         uint16_t tmp, connector_object_id;
1791         enum radeon_combios_ddc ddc_type;
1792         enum radeon_combios_connector connector;
1793         int i = 0;
1794         struct radeon_i2c_bus_rec ddc_i2c;
1795
1796         if (rdev->bios == NULL)
1797                 return false;
1798
1799         conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
1800         if (conn_info) {
1801                 for (i = 0; i < 4; i++) {
1802                         entry = conn_info + 2 + i * 2;
1803
1804                         if (!RBIOS16(entry))
1805                                 break;
1806
1807                         tmp = RBIOS16(entry);
1808
1809                         connector = (tmp >> 12) & 0xf;
1810
1811                         ddc_type = (tmp >> 8) & 0xf;
1812                         switch (ddc_type) {
1813                         case DDC_MONID:
1814                                 ddc_i2c =
1815                                         combios_setup_i2c_bus(rdev, RADEON_GPIO_MONID);
1816                                 break;
1817                         case DDC_DVI:
1818                                 ddc_i2c =
1819                                         combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
1820                                 break;
1821                         case DDC_VGA:
1822                                 ddc_i2c =
1823                                         combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
1824                                 break;
1825                         case DDC_CRT2:
1826                                 ddc_i2c =
1827                                         combios_setup_i2c_bus(rdev, RADEON_GPIO_CRT2_DDC);
1828                                 break;
1829                         default:
1830                                 break;
1831                         }
1832
1833                         if (!radeon_apply_legacy_quirks(dev, i, &connector,
1834                                                        &ddc_i2c))
1835                                 continue;
1836
1837                         switch (connector) {
1838                         case CONNECTOR_PROPRIETARY_LEGACY:
1839                                 if ((tmp >> 4) & 0x1)
1840                                         devices = ATOM_DEVICE_DFP2_SUPPORT;
1841                                 else
1842                                         devices = ATOM_DEVICE_DFP1_SUPPORT;
1843                                 radeon_add_legacy_encoder(dev,
1844                                                           radeon_get_encoder_id
1845                                                           (dev, devices, 0),
1846                                                           devices);
1847                                 radeon_add_legacy_connector(dev, i, devices,
1848                                                             legacy_connector_convert
1849                                                             [connector],
1850                                                             &ddc_i2c,
1851                                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D);
1852                                 break;
1853                         case CONNECTOR_CRT_LEGACY:
1854                                 if (tmp & 0x1) {
1855                                         devices = ATOM_DEVICE_CRT2_SUPPORT;
1856                                         radeon_add_legacy_encoder(dev,
1857                                                                   radeon_get_encoder_id
1858                                                                   (dev,
1859                                                                    ATOM_DEVICE_CRT2_SUPPORT,
1860                                                                    2),
1861                                                                   ATOM_DEVICE_CRT2_SUPPORT);
1862                                 } else {
1863                                         devices = ATOM_DEVICE_CRT1_SUPPORT;
1864                                         radeon_add_legacy_encoder(dev,
1865                                                                   radeon_get_encoder_id
1866                                                                   (dev,
1867                                                                    ATOM_DEVICE_CRT1_SUPPORT,
1868                                                                    1),
1869                                                                   ATOM_DEVICE_CRT1_SUPPORT);
1870                                 }
1871                                 radeon_add_legacy_connector(dev,
1872                                                             i,
1873                                                             devices,
1874                                                             legacy_connector_convert
1875                                                             [connector],
1876                                                             &ddc_i2c,
1877                                                             CONNECTOR_OBJECT_ID_VGA);
1878                                 break;
1879                         case CONNECTOR_DVI_I_LEGACY:
1880                                 devices = 0;
1881                                 if (tmp & 0x1) {
1882                                         devices |= ATOM_DEVICE_CRT2_SUPPORT;
1883                                         radeon_add_legacy_encoder(dev,
1884                                                                   radeon_get_encoder_id
1885                                                                   (dev,
1886                                                                    ATOM_DEVICE_CRT2_SUPPORT,
1887                                                                    2),
1888                                                                   ATOM_DEVICE_CRT2_SUPPORT);
1889                                 } else {
1890                                         devices |= ATOM_DEVICE_CRT1_SUPPORT;
1891                                         radeon_add_legacy_encoder(dev,
1892                                                                   radeon_get_encoder_id
1893                                                                   (dev,
1894                                                                    ATOM_DEVICE_CRT1_SUPPORT,
1895                                                                    1),
1896                                                                   ATOM_DEVICE_CRT1_SUPPORT);
1897                                 }
1898                                 if ((tmp >> 4) & 0x1) {
1899                                         devices |= ATOM_DEVICE_DFP2_SUPPORT;
1900                                         radeon_add_legacy_encoder(dev,
1901                                                                   radeon_get_encoder_id
1902                                                                   (dev,
1903                                                                    ATOM_DEVICE_DFP2_SUPPORT,
1904                                                                    0),
1905                                                                   ATOM_DEVICE_DFP2_SUPPORT);
1906                                         connector_object_id = combios_check_dl_dvi(dev, 0);
1907                                 } else {
1908                                         devices |= ATOM_DEVICE_DFP1_SUPPORT;
1909                                         radeon_add_legacy_encoder(dev,
1910                                                                   radeon_get_encoder_id
1911                                                                   (dev,
1912                                                                    ATOM_DEVICE_DFP1_SUPPORT,
1913                                                                    0),
1914                                                                   ATOM_DEVICE_DFP1_SUPPORT);
1915                                         connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
1916                                 }
1917                                 radeon_add_legacy_connector(dev,
1918                                                             i,
1919                                                             devices,
1920                                                             legacy_connector_convert
1921                                                             [connector],
1922                                                             &ddc_i2c,
1923                                                             connector_object_id);
1924                                 break;
1925                         case CONNECTOR_DVI_D_LEGACY:
1926                                 if ((tmp >> 4) & 0x1) {
1927                                         devices = ATOM_DEVICE_DFP2_SUPPORT;
1928                                         connector_object_id = combios_check_dl_dvi(dev, 1);
1929                                 } else {
1930                                         devices = ATOM_DEVICE_DFP1_SUPPORT;
1931                                         connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
1932                                 }
1933                                 radeon_add_legacy_encoder(dev,
1934                                                           radeon_get_encoder_id
1935                                                           (dev, devices, 0),
1936                                                           devices);
1937                                 radeon_add_legacy_connector(dev, i, devices,
1938                                                             legacy_connector_convert
1939                                                             [connector],
1940                                                             &ddc_i2c,
1941                                                             connector_object_id);
1942                                 break;
1943                         case CONNECTOR_CTV_LEGACY:
1944                         case CONNECTOR_STV_LEGACY:
1945                                 radeon_add_legacy_encoder(dev,
1946                                                           radeon_get_encoder_id
1947                                                           (dev,
1948                                                            ATOM_DEVICE_TV1_SUPPORT,
1949                                                            2),
1950                                                           ATOM_DEVICE_TV1_SUPPORT);
1951                                 radeon_add_legacy_connector(dev, i,
1952                                                             ATOM_DEVICE_TV1_SUPPORT,
1953                                                             legacy_connector_convert
1954                                                             [connector],
1955                                                             &ddc_i2c,
1956                                                             CONNECTOR_OBJECT_ID_SVIDEO);
1957                                 break;
1958                         default:
1959                                 DRM_ERROR("Unknown connector type: %d\n",
1960                                           connector);
1961                                 continue;
1962                         }
1963
1964                 }
1965         } else {
1966                 uint16_t tmds_info =
1967                     combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1968                 if (tmds_info) {
1969                         DRM_DEBUG("Found DFP table, assuming DVI connector\n");
1970
1971                         radeon_add_legacy_encoder(dev,
1972                                                   radeon_get_encoder_id(dev,
1973                                                                         ATOM_DEVICE_CRT1_SUPPORT,
1974                                                                         1),
1975                                                   ATOM_DEVICE_CRT1_SUPPORT);
1976                         radeon_add_legacy_encoder(dev,
1977                                                   radeon_get_encoder_id(dev,
1978                                                                         ATOM_DEVICE_DFP1_SUPPORT,
1979                                                                         0),
1980                                                   ATOM_DEVICE_DFP1_SUPPORT);
1981
1982                         ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
1983                         radeon_add_legacy_connector(dev,
1984                                                     0,
1985                                                     ATOM_DEVICE_CRT1_SUPPORT |
1986                                                     ATOM_DEVICE_DFP1_SUPPORT,
1987                                                     DRM_MODE_CONNECTOR_DVII,
1988                                                     &ddc_i2c,
1989                                                     CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I);
1990                 } else {
1991                         uint16_t crt_info =
1992                                 combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
1993                         DRM_DEBUG("Found CRT table, assuming VGA connector\n");
1994                         if (crt_info) {
1995                                 radeon_add_legacy_encoder(dev,
1996                                                           radeon_get_encoder_id(dev,
1997                                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1998                                                                                 1),
1999                                                           ATOM_DEVICE_CRT1_SUPPORT);
2000                                 ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
2001                                 radeon_add_legacy_connector(dev,
2002                                                             0,
2003                                                             ATOM_DEVICE_CRT1_SUPPORT,
2004                                                             DRM_MODE_CONNECTOR_VGA,
2005                                                             &ddc_i2c,
2006                                                             CONNECTOR_OBJECT_ID_VGA);
2007                         } else {
2008                                 DRM_DEBUG("No connector info found\n");
2009                                 return false;
2010                         }
2011                 }
2012         }
2013
2014         if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
2015                 uint16_t lcd_info =
2016                     combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
2017                 if (lcd_info) {
2018                         uint16_t lcd_ddc_info =
2019                             combios_get_table_offset(dev,
2020                                                      COMBIOS_LCD_DDC_INFO_TABLE);
2021
2022                         radeon_add_legacy_encoder(dev,
2023                                                   radeon_get_encoder_id(dev,
2024                                                                         ATOM_DEVICE_LCD1_SUPPORT,
2025                                                                         0),
2026                                                   ATOM_DEVICE_LCD1_SUPPORT);
2027
2028                         if (lcd_ddc_info) {
2029                                 ddc_type = RBIOS8(lcd_ddc_info + 2);
2030                                 switch (ddc_type) {
2031                                 case DDC_MONID:
2032                                         ddc_i2c =
2033                                             combios_setup_i2c_bus
2034                                                 (rdev, RADEON_GPIO_MONID);
2035                                         break;
2036                                 case DDC_DVI:
2037                                         ddc_i2c =
2038                                             combios_setup_i2c_bus
2039                                                 (rdev, RADEON_GPIO_DVI_DDC);
2040                                         break;
2041                                 case DDC_VGA:
2042                                         ddc_i2c =
2043                                             combios_setup_i2c_bus
2044                                                 (rdev, RADEON_GPIO_VGA_DDC);
2045                                         break;
2046                                 case DDC_CRT2:
2047                                         ddc_i2c =
2048                                             combios_setup_i2c_bus
2049                                                 (rdev, RADEON_GPIO_CRT2_DDC);
2050                                         break;
2051                                 case DDC_LCD:
2052                                         ddc_i2c =
2053                                             combios_setup_i2c_bus
2054                                                 (rdev, RADEON_GPIOPAD_MASK);
2055                                         ddc_i2c.mask_clk_mask =
2056                                             RBIOS32(lcd_ddc_info + 3);
2057                                         ddc_i2c.mask_data_mask =
2058                                             RBIOS32(lcd_ddc_info + 7);
2059                                         ddc_i2c.a_clk_mask =
2060                                             RBIOS32(lcd_ddc_info + 3);
2061                                         ddc_i2c.a_data_mask =
2062                                             RBIOS32(lcd_ddc_info + 7);
2063                                         ddc_i2c.en_clk_mask =
2064                                             RBIOS32(lcd_ddc_info + 3);
2065                                         ddc_i2c.en_data_mask =
2066                                             RBIOS32(lcd_ddc_info + 7);
2067                                         ddc_i2c.y_clk_mask =
2068                                             RBIOS32(lcd_ddc_info + 3);
2069                                         ddc_i2c.y_data_mask =
2070                                             RBIOS32(lcd_ddc_info + 7);
2071                                         break;
2072                                 case DDC_GPIO:
2073                                         ddc_i2c =
2074                                             combios_setup_i2c_bus
2075                                                 (rdev, RADEON_MDGPIO_MASK);
2076                                         ddc_i2c.mask_clk_mask =
2077                                             RBIOS32(lcd_ddc_info + 3);
2078                                         ddc_i2c.mask_data_mask =
2079                                             RBIOS32(lcd_ddc_info + 7);
2080                                         ddc_i2c.a_clk_mask =
2081                                             RBIOS32(lcd_ddc_info + 3);
2082                                         ddc_i2c.a_data_mask =
2083                                             RBIOS32(lcd_ddc_info + 7);
2084                                         ddc_i2c.en_clk_mask =
2085                                             RBIOS32(lcd_ddc_info + 3);
2086                                         ddc_i2c.en_data_mask =
2087                                             RBIOS32(lcd_ddc_info + 7);
2088                                         ddc_i2c.y_clk_mask =
2089                                             RBIOS32(lcd_ddc_info + 3);
2090                                         ddc_i2c.y_data_mask =
2091                                             RBIOS32(lcd_ddc_info + 7);
2092                                         break;
2093                                 default:
2094                                         ddc_i2c.valid = false;
2095                                         break;
2096                                 }
2097                                 DRM_DEBUG("LCD DDC Info Table found!\n");
2098                         } else
2099                                 ddc_i2c.valid = false;
2100
2101                         radeon_add_legacy_connector(dev,
2102                                                     5,
2103                                                     ATOM_DEVICE_LCD1_SUPPORT,
2104                                                     DRM_MODE_CONNECTOR_LVDS,
2105                                                     &ddc_i2c,
2106                                                     CONNECTOR_OBJECT_ID_LVDS);
2107                 }
2108         }
2109
2110         /* check TV table */
2111         if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
2112                 uint32_t tv_info =
2113                     combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
2114                 if (tv_info) {
2115                         if (RBIOS8(tv_info + 6) == 'T') {
2116                                 if (radeon_apply_legacy_tv_quirks(dev)) {
2117                                         radeon_add_legacy_encoder(dev,
2118                                                                   radeon_get_encoder_id
2119                                                                   (dev,
2120                                                                    ATOM_DEVICE_TV1_SUPPORT,
2121                                                                    2),
2122                                                                   ATOM_DEVICE_TV1_SUPPORT);
2123                                         radeon_add_legacy_connector(dev, 6,
2124                                                                     ATOM_DEVICE_TV1_SUPPORT,
2125                                                                     DRM_MODE_CONNECTOR_SVIDEO,
2126                                                                     &ddc_i2c,
2127                                                                     CONNECTOR_OBJECT_ID_SVIDEO);
2128                                 }
2129                         }
2130                 }
2131         }
2132
2133         radeon_link_encoder_connector(dev);
2134
2135         return true;
2136 }
2137
2138 void radeon_external_tmds_setup(struct drm_encoder *encoder)
2139 {
2140         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2141         struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2142
2143         if (!tmds)
2144                 return;
2145
2146         switch (tmds->dvo_chip) {
2147         case DVO_SIL164:
2148                 /* sil 164 */
2149                 radeon_i2c_do_lock(tmds->i2c_bus, 1);
2150                 radeon_i2c_sw_put_byte(tmds->i2c_bus,
2151                                        tmds->slave_addr,
2152                                        0x08, 0x30);
2153                 radeon_i2c_sw_put_byte(tmds->i2c_bus,
2154                                        tmds->slave_addr,
2155                                        0x09, 0x00);
2156                 radeon_i2c_sw_put_byte(tmds->i2c_bus,
2157                                        tmds->slave_addr,
2158                                        0x0a, 0x90);
2159                 radeon_i2c_sw_put_byte(tmds->i2c_bus,
2160                                        tmds->slave_addr,
2161                                        0x0c, 0x89);
2162                 radeon_i2c_sw_put_byte(tmds->i2c_bus,
2163                                        tmds->slave_addr,
2164                                        0x08, 0x3b);
2165                 radeon_i2c_do_lock(tmds->i2c_bus, 0);
2166                 break;
2167         case DVO_SIL1178:
2168                 /* sil 1178 - untested */
2169                 /*
2170                  * 0x0f, 0x44
2171                  * 0x0f, 0x4c
2172                  * 0x0e, 0x01
2173                  * 0x0a, 0x80
2174                  * 0x09, 0x30
2175                  * 0x0c, 0xc9
2176                  * 0x0d, 0x70
2177                  * 0x08, 0x32
2178                  * 0x08, 0x33
2179                  */
2180                 break;
2181         default:
2182                 break;
2183         }
2184
2185 }
2186
2187 bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
2188 {
2189         struct drm_device *dev = encoder->dev;
2190         struct radeon_device *rdev = dev->dev_private;
2191         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2192         uint16_t offset;
2193         uint8_t blocks, slave_addr, rev;
2194         uint32_t index, id;
2195         uint32_t reg, val, and_mask, or_mask;
2196         struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2197
2198         if (rdev->bios == NULL)
2199                 return false;
2200
2201         if (!tmds)
2202                 return false;
2203
2204         if (rdev->flags & RADEON_IS_IGP) {
2205                 offset = combios_get_table_offset(dev, COMBIOS_TMDS_POWER_ON_TABLE);
2206                 rev = RBIOS8(offset);
2207                 if (offset) {
2208                         rev = RBIOS8(offset);
2209                         if (rev > 1) {
2210                                 blocks = RBIOS8(offset + 3);
2211                                 index = offset + 4;
2212                                 while (blocks > 0) {
2213                                         id = RBIOS16(index);
2214                                         index += 2;
2215                                         switch (id >> 13) {
2216                                         case 0:
2217                                                 reg = (id & 0x1fff) * 4;
2218                                                 val = RBIOS32(index);
2219                                                 index += 4;
2220                                                 WREG32(reg, val);
2221                                                 break;
2222                                         case 2:
2223                                                 reg = (id & 0x1fff) * 4;
2224                                                 and_mask = RBIOS32(index);
2225                                                 index += 4;
2226                                                 or_mask = RBIOS32(index);
2227                                                 index += 4;
2228                                                 val = RREG32(reg);
2229                                                 val = (val & and_mask) | or_mask;
2230                                                 WREG32(reg, val);
2231                                                 break;
2232                                         case 3:
2233                                                 val = RBIOS16(index);
2234                                                 index += 2;
2235                                                 udelay(val);
2236                                                 break;
2237                                         case 4:
2238                                                 val = RBIOS16(index);
2239                                                 index += 2;
2240                                                 udelay(val * 1000);
2241                                                 break;
2242                                         case 6:
2243                                                 slave_addr = id & 0xff;
2244                                                 slave_addr >>= 1; /* 7 bit addressing */
2245                                                 index++;
2246                                                 reg = RBIOS8(index);
2247                                                 index++;
2248                                                 val = RBIOS8(index);
2249                                                 index++;
2250                                                 radeon_i2c_do_lock(tmds->i2c_bus, 1);
2251                                                 radeon_i2c_sw_put_byte(tmds->i2c_bus,
2252                                                                        slave_addr,
2253                                                                        reg, val);
2254                                                 radeon_i2c_do_lock(tmds->i2c_bus, 0);
2255                                                 break;
2256                                         default:
2257                                                 DRM_ERROR("Unknown id %d\n", id >> 13);
2258                                                 break;
2259                                         }
2260                                         blocks--;
2261                                 }
2262                                 return true;
2263                         }
2264                 }
2265         } else {
2266                 offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2267                 if (offset) {
2268                         index = offset + 10;
2269                         id = RBIOS16(index);
2270                         while (id != 0xffff) {
2271                                 index += 2;
2272                                 switch (id >> 13) {
2273                                 case 0:
2274                                         reg = (id & 0x1fff) * 4;
2275                                         val = RBIOS32(index);
2276                                         WREG32(reg, val);
2277                                         break;
2278                                 case 2:
2279                                         reg = (id & 0x1fff) * 4;
2280                                         and_mask = RBIOS32(index);
2281                                         index += 4;
2282                                         or_mask = RBIOS32(index);
2283                                         index += 4;
2284                                         val = RREG32(reg);
2285                                         val = (val & and_mask) | or_mask;
2286                                         WREG32(reg, val);
2287                                         break;
2288                                 case 4:
2289                                         val = RBIOS16(index);
2290                                         index += 2;
2291                                         udelay(val);
2292                                         break;
2293                                 case 5:
2294                                         reg = id & 0x1fff;
2295                                         and_mask = RBIOS32(index);
2296                                         index += 4;
2297                                         or_mask = RBIOS32(index);
2298                                         index += 4;
2299                                         val = RREG32_PLL(reg);
2300                                         val = (val & and_mask) | or_mask;
2301                                         WREG32_PLL(reg, val);
2302                                         break;
2303                                 case 6:
2304                                         reg = id & 0x1fff;
2305                                         val = RBIOS8(index);
2306                                         index += 1;
2307                                         radeon_i2c_do_lock(tmds->i2c_bus, 1);
2308                                         radeon_i2c_sw_put_byte(tmds->i2c_bus,
2309                                                                tmds->slave_addr,
2310                                                                reg, val);
2311                                         radeon_i2c_do_lock(tmds->i2c_bus, 0);
2312                                         break;
2313                                 default:
2314                                         DRM_ERROR("Unknown id %d\n", id >> 13);
2315                                         break;
2316                                 }
2317                                 id = RBIOS16(index);
2318                         }
2319                         return true;
2320                 }
2321         }
2322         return false;
2323 }
2324
2325 static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
2326 {
2327         struct radeon_device *rdev = dev->dev_private;
2328
2329         if (offset) {
2330                 while (RBIOS16(offset)) {
2331                         uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
2332                         uint32_t addr = (RBIOS16(offset) & 0x1fff);
2333                         uint32_t val, and_mask, or_mask;
2334                         uint32_t tmp;
2335
2336                         offset += 2;
2337                         switch (cmd) {
2338                         case 0:
2339                                 val = RBIOS32(offset);
2340                                 offset += 4;
2341                                 WREG32(addr, val);
2342                                 break;
2343                         case 1:
2344                                 val = RBIOS32(offset);
2345                                 offset += 4;
2346                                 WREG32(addr, val);
2347                                 break;
2348                         case 2:
2349                                 and_mask = RBIOS32(offset);
2350                                 offset += 4;
2351                                 or_mask = RBIOS32(offset);
2352                                 offset += 4;
2353                                 tmp = RREG32(addr);
2354                                 tmp &= and_mask;
2355                                 tmp |= or_mask;
2356                                 WREG32(addr, tmp);
2357                                 break;
2358                         case 3:
2359                                 and_mask = RBIOS32(offset);
2360                                 offset += 4;
2361                                 or_mask = RBIOS32(offset);
2362                                 offset += 4;
2363                                 tmp = RREG32(addr);
2364                                 tmp &= and_mask;
2365                                 tmp |= or_mask;
2366                                 WREG32(addr, tmp);
2367                                 break;
2368                         case 4:
2369                                 val = RBIOS16(offset);
2370                                 offset += 2;
2371                                 udelay(val);
2372                                 break;
2373                         case 5:
2374                                 val = RBIOS16(offset);
2375                                 offset += 2;
2376                                 switch (addr) {
2377                                 case 8:
2378                                         while (val--) {
2379                                                 if (!
2380                                                     (RREG32_PLL
2381                                                      (RADEON_CLK_PWRMGT_CNTL) &
2382                                                      RADEON_MC_BUSY))
2383                                                         break;
2384                                         }
2385                                         break;
2386                                 case 9:
2387                                         while (val--) {
2388                                                 if ((RREG32(RADEON_MC_STATUS) &
2389                                                      RADEON_MC_IDLE))
2390                                                         break;
2391                                         }
2392                                         break;
2393                                 default:
2394                                         break;
2395                                 }
2396                                 break;
2397                         default:
2398                                 break;
2399                         }
2400                 }
2401         }
2402 }
2403
2404 static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
2405 {
2406         struct radeon_device *rdev = dev->dev_private;
2407
2408         if (offset) {
2409                 while (RBIOS8(offset)) {
2410                         uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
2411                         uint8_t addr = (RBIOS8(offset) & 0x3f);
2412                         uint32_t val, shift, tmp;
2413                         uint32_t and_mask, or_mask;
2414
2415                         offset++;
2416                         switch (cmd) {
2417                         case 0:
2418                                 val = RBIOS32(offset);
2419                                 offset += 4;
2420                                 WREG32_PLL(addr, val);
2421                                 break;
2422                         case 1:
2423                                 shift = RBIOS8(offset) * 8;
2424                                 offset++;
2425                                 and_mask = RBIOS8(offset) << shift;
2426                                 and_mask |= ~(0xff << shift);
2427                                 offset++;
2428                                 or_mask = RBIOS8(offset) << shift;
2429                                 offset++;
2430                                 tmp = RREG32_PLL(addr);
2431                                 tmp &= and_mask;
2432                                 tmp |= or_mask;
2433                                 WREG32_PLL(addr, tmp);
2434                                 break;
2435                         case 2:
2436                         case 3:
2437                                 tmp = 1000;
2438                                 switch (addr) {
2439                                 case 1:
2440                                         udelay(150);
2441                                         break;
2442                                 case 2:
2443                                         udelay(1000);
2444                                         break;
2445                                 case 3:
2446                                         while (tmp--) {
2447                                                 if (!
2448                                                     (RREG32_PLL
2449                                                      (RADEON_CLK_PWRMGT_CNTL) &
2450                                                      RADEON_MC_BUSY))
2451                                                         break;
2452                                         }
2453                                         break;
2454                                 case 4:
2455                                         while (tmp--) {
2456                                                 if (RREG32_PLL
2457                                                     (RADEON_CLK_PWRMGT_CNTL) &
2458                                                     RADEON_DLL_READY)
2459                                                         break;
2460                                         }
2461                                         break;
2462                                 case 5:
2463                                         tmp =
2464                                             RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
2465                                         if (tmp & RADEON_CG_NO1_DEBUG_0) {
2466 #if 0
2467                                                 uint32_t mclk_cntl =
2468                                                     RREG32_PLL
2469                                                     (RADEON_MCLK_CNTL);
2470                                                 mclk_cntl &= 0xffff0000;
2471                                                 /*mclk_cntl |= 0x00001111;*//* ??? */
2472                                                 WREG32_PLL(RADEON_MCLK_CNTL,
2473                                                            mclk_cntl);
2474                                                 udelay(10000);
2475 #endif
2476                                                 WREG32_PLL
2477                                                     (RADEON_CLK_PWRMGT_CNTL,
2478                                                      tmp &
2479                                                      ~RADEON_CG_NO1_DEBUG_0);
2480                                                 udelay(10000);
2481                                         }
2482                                         break;
2483                                 default:
2484                                         break;
2485                                 }
2486                                 break;
2487                         default:
2488                                 break;
2489                         }
2490                 }
2491         }
2492 }
2493
2494 static void combios_parse_ram_reset_table(struct drm_device *dev,
2495                                           uint16_t offset)
2496 {
2497         struct radeon_device *rdev = dev->dev_private;
2498         uint32_t tmp;
2499
2500         if (offset) {
2501                 uint8_t val = RBIOS8(offset);
2502                 while (val != 0xff) {
2503                         offset++;
2504
2505                         if (val == 0x0f) {
2506                                 uint32_t channel_complete_mask;
2507
2508                                 if (ASIC_IS_R300(rdev))
2509                                         channel_complete_mask =
2510                                             R300_MEM_PWRUP_COMPLETE;
2511                                 else
2512                                         channel_complete_mask =
2513                                             RADEON_MEM_PWRUP_COMPLETE;
2514                                 tmp = 20000;
2515                                 while (tmp--) {
2516                                         if ((RREG32(RADEON_MEM_STR_CNTL) &
2517                                              channel_complete_mask) ==
2518                                             channel_complete_mask)
2519                                                 break;
2520                                 }
2521                         } else {
2522                                 uint32_t or_mask = RBIOS16(offset);
2523                                 offset += 2;
2524
2525                                 tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2526                                 tmp &= RADEON_SDRAM_MODE_MASK;
2527                                 tmp |= or_mask;
2528                                 WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
2529
2530                                 or_mask = val << 24;
2531                                 tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2532                                 tmp &= RADEON_B3MEM_RESET_MASK;
2533                                 tmp |= or_mask;
2534                                 WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
2535                         }
2536                         val = RBIOS8(offset);
2537                 }
2538         }
2539 }
2540
2541 static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
2542                                    int mem_addr_mapping)
2543 {
2544         struct radeon_device *rdev = dev->dev_private;
2545         uint32_t mem_cntl;
2546         uint32_t mem_size;
2547         uint32_t addr = 0;
2548
2549         mem_cntl = RREG32(RADEON_MEM_CNTL);
2550         if (mem_cntl & RV100_HALF_MODE)
2551                 ram /= 2;
2552         mem_size = ram;
2553         mem_cntl &= ~(0xff << 8);
2554         mem_cntl |= (mem_addr_mapping & 0xff) << 8;
2555         WREG32(RADEON_MEM_CNTL, mem_cntl);
2556         RREG32(RADEON_MEM_CNTL);
2557
2558         /* sdram reset ? */
2559
2560         /* something like this????  */
2561         while (ram--) {
2562                 addr = ram * 1024 * 1024;
2563                 /* write to each page */
2564                 WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
2565                 WREG32(RADEON_MM_DATA, 0xdeadbeef);
2566                 /* read back and verify */
2567                 WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
2568                 if (RREG32(RADEON_MM_DATA) != 0xdeadbeef)
2569                         return 0;
2570         }
2571
2572         return mem_size;
2573 }
2574
2575 static void combios_write_ram_size(struct drm_device *dev)
2576 {
2577         struct radeon_device *rdev = dev->dev_private;
2578         uint8_t rev;
2579         uint16_t offset;
2580         uint32_t mem_size = 0;
2581         uint32_t mem_cntl = 0;
2582
2583         /* should do something smarter here I guess... */
2584         if (rdev->flags & RADEON_IS_IGP)
2585                 return;
2586
2587         /* first check detected mem table */
2588         offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
2589         if (offset) {
2590                 rev = RBIOS8(offset);
2591                 if (rev < 3) {
2592                         mem_cntl = RBIOS32(offset + 1);
2593                         mem_size = RBIOS16(offset + 5);
2594                         if (((rdev->flags & RADEON_FAMILY_MASK) < CHIP_R200) &&
2595                             ((dev->pdev->device != 0x515e)
2596                              && (dev->pdev->device != 0x5969)))
2597                                 WREG32(RADEON_MEM_CNTL, mem_cntl);
2598                 }
2599         }
2600
2601         if (!mem_size) {
2602                 offset =
2603                     combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
2604                 if (offset) {
2605                         rev = RBIOS8(offset - 1);
2606                         if (rev < 1) {
2607                                 if (((rdev->flags & RADEON_FAMILY_MASK) <
2608                                      CHIP_R200)
2609                                     && ((dev->pdev->device != 0x515e)
2610                                         && (dev->pdev->device != 0x5969))) {
2611                                         int ram = 0;
2612                                         int mem_addr_mapping = 0;
2613
2614                                         while (RBIOS8(offset)) {
2615                                                 ram = RBIOS8(offset);
2616                                                 mem_addr_mapping =
2617                                                     RBIOS8(offset + 1);
2618                                                 if (mem_addr_mapping != 0x25)
2619                                                         ram *= 2;
2620                                                 mem_size =
2621                                                     combios_detect_ram(dev, ram,
2622                                                                        mem_addr_mapping);
2623                                                 if (mem_size)
2624                                                         break;
2625                                                 offset += 2;
2626                                         }
2627                                 } else
2628                                         mem_size = RBIOS8(offset);
2629                         } else {
2630                                 mem_size = RBIOS8(offset);
2631                                 mem_size *= 2;  /* convert to MB */
2632                         }
2633                 }
2634         }
2635
2636         mem_size *= (1024 * 1024);      /* convert to bytes */
2637         WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
2638 }
2639
2640 void radeon_combios_dyn_clk_setup(struct drm_device *dev, int enable)
2641 {
2642         uint16_t dyn_clk_info =
2643             combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
2644
2645         if (dyn_clk_info)
2646                 combios_parse_pll_table(dev, dyn_clk_info);
2647 }
2648
2649 void radeon_combios_asic_init(struct drm_device *dev)
2650 {
2651         struct radeon_device *rdev = dev->dev_private;
2652         uint16_t table;
2653
2654         /* port hardcoded mac stuff from radeonfb */
2655         if (rdev->bios == NULL)
2656                 return;
2657
2658         /* ASIC INIT 1 */
2659         table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE);
2660         if (table)
2661                 combios_parse_mmio_table(dev, table);
2662
2663         /* PLL INIT */
2664         table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE);
2665         if (table)
2666                 combios_parse_pll_table(dev, table);
2667
2668         /* ASIC INIT 2 */
2669         table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE);
2670         if (table)
2671                 combios_parse_mmio_table(dev, table);
2672
2673         if (!(rdev->flags & RADEON_IS_IGP)) {
2674                 /* ASIC INIT 4 */
2675                 table =
2676                     combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE);
2677                 if (table)
2678                         combios_parse_mmio_table(dev, table);
2679
2680                 /* RAM RESET */
2681                 table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE);
2682                 if (table)
2683                         combios_parse_ram_reset_table(dev, table);
2684
2685                 /* ASIC INIT 3 */
2686                 table =
2687                     combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE);
2688                 if (table)
2689                         combios_parse_mmio_table(dev, table);
2690
2691                 /* write CONFIG_MEMSIZE */
2692                 combios_write_ram_size(dev);
2693         }
2694
2695         /* DYN CLK 1 */
2696         table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
2697         if (table)
2698                 combios_parse_pll_table(dev, table);
2699
2700 }
2701
2702 void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
2703 {
2704         struct radeon_device *rdev = dev->dev_private;
2705         uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
2706
2707         bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
2708         bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
2709         bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
2710
2711         /* let the bios control the backlight */
2712         bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
2713
2714         /* tell the bios not to handle mode switching */
2715         bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
2716                            RADEON_ACC_MODE_CHANGE);
2717
2718         /* tell the bios a driver is loaded */
2719         bios_7_scratch |= RADEON_DRV_LOADED;
2720
2721         WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
2722         WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
2723         WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
2724 }
2725
2726 void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
2727 {
2728         struct drm_device *dev = encoder->dev;
2729         struct radeon_device *rdev = dev->dev_private;
2730         uint32_t bios_6_scratch;
2731
2732         bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
2733
2734         if (lock)
2735                 bios_6_scratch |= RADEON_DRIVER_CRITICAL;
2736         else
2737                 bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
2738
2739         WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
2740 }
2741
2742 void
2743 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
2744                                       struct drm_encoder *encoder,
2745                                       bool connected)
2746 {
2747         struct drm_device *dev = connector->dev;
2748         struct radeon_device *rdev = dev->dev_private;
2749         struct radeon_connector *radeon_connector =
2750             to_radeon_connector(connector);
2751         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2752         uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
2753         uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
2754
2755         if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
2756             (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
2757                 if (connected) {
2758                         DRM_DEBUG("TV1 connected\n");
2759                         /* fix me */
2760                         bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
2761                         /*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
2762                         bios_5_scratch |= RADEON_TV1_ON;
2763                         bios_5_scratch |= RADEON_ACC_REQ_TV1;
2764                 } else {
2765                         DRM_DEBUG("TV1 disconnected\n");
2766                         bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
2767                         bios_5_scratch &= ~RADEON_TV1_ON;
2768                         bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
2769                 }
2770         }
2771         if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
2772             (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
2773                 if (connected) {
2774                         DRM_DEBUG("LCD1 connected\n");
2775                         bios_4_scratch |= RADEON_LCD1_ATTACHED;
2776                         bios_5_scratch |= RADEON_LCD1_ON;
2777                         bios_5_scratch |= RADEON_ACC_REQ_LCD1;
2778                 } else {
2779                         DRM_DEBUG("LCD1 disconnected\n");
2780                         bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
2781                         bios_5_scratch &= ~RADEON_LCD1_ON;
2782                         bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
2783                 }
2784         }
2785         if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
2786             (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
2787                 if (connected) {
2788                         DRM_DEBUG("CRT1 connected\n");
2789                         bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
2790                         bios_5_scratch |= RADEON_CRT1_ON;
2791                         bios_5_scratch |= RADEON_ACC_REQ_CRT1;
2792                 } else {
2793                         DRM_DEBUG("CRT1 disconnected\n");
2794                         bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
2795                         bios_5_scratch &= ~RADEON_CRT1_ON;
2796                         bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
2797                 }
2798         }
2799         if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
2800             (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
2801                 if (connected) {
2802                         DRM_DEBUG("CRT2 connected\n");
2803                         bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
2804                         bios_5_scratch |= RADEON_CRT2_ON;
2805                         bios_5_scratch |= RADEON_ACC_REQ_CRT2;
2806                 } else {
2807                         DRM_DEBUG("CRT2 disconnected\n");
2808                         bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
2809                         bios_5_scratch &= ~RADEON_CRT2_ON;
2810                         bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
2811                 }
2812         }
2813         if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
2814             (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
2815                 if (connected) {
2816                         DRM_DEBUG("DFP1 connected\n");
2817                         bios_4_scratch |= RADEON_DFP1_ATTACHED;
2818                         bios_5_scratch |= RADEON_DFP1_ON;
2819                         bios_5_scratch |= RADEON_ACC_REQ_DFP1;
2820                 } else {
2821                         DRM_DEBUG("DFP1 disconnected\n");
2822                         bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
2823                         bios_5_scratch &= ~RADEON_DFP1_ON;
2824                         bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
2825                 }
2826         }
2827         if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
2828             (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
2829                 if (connected) {
2830                         DRM_DEBUG("DFP2 connected\n");
2831                         bios_4_scratch |= RADEON_DFP2_ATTACHED;
2832                         bios_5_scratch |= RADEON_DFP2_ON;
2833                         bios_5_scratch |= RADEON_ACC_REQ_DFP2;
2834                 } else {
2835                         DRM_DEBUG("DFP2 disconnected\n");
2836                         bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
2837                         bios_5_scratch &= ~RADEON_DFP2_ON;
2838                         bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
2839                 }
2840         }
2841         WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
2842         WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
2843 }
2844
2845 void
2846 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
2847 {
2848         struct drm_device *dev = encoder->dev;
2849         struct radeon_device *rdev = dev->dev_private;
2850         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2851         uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
2852
2853         if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
2854                 bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
2855                 bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
2856         }
2857         if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
2858                 bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
2859                 bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
2860         }
2861         if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
2862                 bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
2863                 bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
2864         }
2865         if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
2866                 bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
2867                 bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
2868         }
2869         if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
2870                 bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
2871                 bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
2872         }
2873         if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
2874                 bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
2875                 bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
2876         }
2877         WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
2878 }
2879
2880 void
2881 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
2882 {
2883         struct drm_device *dev = encoder->dev;
2884         struct radeon_device *rdev = dev->dev_private;
2885         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2886         uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
2887
2888         if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
2889                 if (on)
2890                         bios_6_scratch |= RADEON_TV_DPMS_ON;
2891                 else
2892                         bios_6_scratch &= ~RADEON_TV_DPMS_ON;
2893         }
2894         if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
2895                 if (on)
2896                         bios_6_scratch |= RADEON_CRT_DPMS_ON;
2897                 else
2898                         bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
2899         }
2900         if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
2901                 if (on)
2902                         bios_6_scratch |= RADEON_LCD_DPMS_ON;
2903                 else
2904                         bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
2905         }
2906         if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
2907                 if (on)
2908                         bios_6_scratch |= RADEON_DFP_DPMS_ON;
2909                 else
2910                         bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
2911         }
2912         WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
2913 }