drm/radeon: Partial update to Linux 3.12
[dragonfly.git] / sys / dev / 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  * $FreeBSD: head/sys/dev/drm2/radeon/radeon_combios.c 254885 2013-08-25 19:37:15Z dumbbell $
28  */
29
30 #include <drm/drmP.h>
31 #include <uapi_drm/radeon_drm.h>
32 #include "radeon.h"
33 #include "atom.h"
34
35 #ifdef CONFIG_PPC_PMAC
36 /* not sure which of these are needed */
37 #include <asm/machdep.h>
38 #include <asm/pmac_feature.h>
39 #include <asm/prom.h>
40 #include <asm/pci-bridge.h>
41 #endif /* CONFIG_PPC_PMAC */
42
43 /* old legacy ATI BIOS routines */
44
45 /* COMBIOS table offsets */
46 enum radeon_combios_table_offset {
47         /* absolute offset tables */
48         COMBIOS_ASIC_INIT_1_TABLE,
49         COMBIOS_BIOS_SUPPORT_TABLE,
50         COMBIOS_DAC_PROGRAMMING_TABLE,
51         COMBIOS_MAX_COLOR_DEPTH_TABLE,
52         COMBIOS_CRTC_INFO_TABLE,
53         COMBIOS_PLL_INFO_TABLE,
54         COMBIOS_TV_INFO_TABLE,
55         COMBIOS_DFP_INFO_TABLE,
56         COMBIOS_HW_CONFIG_INFO_TABLE,
57         COMBIOS_MULTIMEDIA_INFO_TABLE,
58         COMBIOS_TV_STD_PATCH_TABLE,
59         COMBIOS_LCD_INFO_TABLE,
60         COMBIOS_MOBILE_INFO_TABLE,
61         COMBIOS_PLL_INIT_TABLE,
62         COMBIOS_MEM_CONFIG_TABLE,
63         COMBIOS_SAVE_MASK_TABLE,
64         COMBIOS_HARDCODED_EDID_TABLE,
65         COMBIOS_ASIC_INIT_2_TABLE,
66         COMBIOS_CONNECTOR_INFO_TABLE,
67         COMBIOS_DYN_CLK_1_TABLE,
68         COMBIOS_RESERVED_MEM_TABLE,
69         COMBIOS_EXT_TMDS_INFO_TABLE,
70         COMBIOS_MEM_CLK_INFO_TABLE,
71         COMBIOS_EXT_DAC_INFO_TABLE,
72         COMBIOS_MISC_INFO_TABLE,
73         COMBIOS_CRT_INFO_TABLE,
74         COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE,
75         COMBIOS_COMPONENT_VIDEO_INFO_TABLE,
76         COMBIOS_FAN_SPEED_INFO_TABLE,
77         COMBIOS_OVERDRIVE_INFO_TABLE,
78         COMBIOS_OEM_INFO_TABLE,
79         COMBIOS_DYN_CLK_2_TABLE,
80         COMBIOS_POWER_CONNECTOR_INFO_TABLE,
81         COMBIOS_I2C_INFO_TABLE,
82         /* relative offset tables */
83         COMBIOS_ASIC_INIT_3_TABLE,      /* offset from misc info */
84         COMBIOS_ASIC_INIT_4_TABLE,      /* offset from misc info */
85         COMBIOS_DETECTED_MEM_TABLE,     /* offset from misc info */
86         COMBIOS_ASIC_INIT_5_TABLE,      /* offset from misc info */
87         COMBIOS_RAM_RESET_TABLE,        /* offset from mem config */
88         COMBIOS_POWERPLAY_INFO_TABLE,   /* offset from mobile info */
89         COMBIOS_GPIO_INFO_TABLE,        /* offset from mobile info */
90         COMBIOS_LCD_DDC_INFO_TABLE,     /* offset from mobile info */
91         COMBIOS_TMDS_POWER_TABLE,       /* offset from mobile info */
92         COMBIOS_TMDS_POWER_ON_TABLE,    /* offset from tmds power */
93         COMBIOS_TMDS_POWER_OFF_TABLE,   /* offset from tmds power */
94 };
95
96 enum radeon_combios_ddc {
97         DDC_NONE_DETECTED,
98         DDC_MONID,
99         DDC_DVI,
100         DDC_VGA,
101         DDC_CRT2,
102         DDC_LCD,
103         DDC_GPIO,
104 };
105
106 enum radeon_combios_connector {
107         CONNECTOR_NONE_LEGACY,
108         CONNECTOR_PROPRIETARY_LEGACY,
109         CONNECTOR_CRT_LEGACY,
110         CONNECTOR_DVI_I_LEGACY,
111         CONNECTOR_DVI_D_LEGACY,
112         CONNECTOR_CTV_LEGACY,
113         CONNECTOR_STV_LEGACY,
114         CONNECTOR_UNSUPPORTED_LEGACY
115 };
116
117 const int legacy_connector_convert[] = {
118         DRM_MODE_CONNECTOR_Unknown,
119         DRM_MODE_CONNECTOR_DVID,
120         DRM_MODE_CONNECTOR_VGA,
121         DRM_MODE_CONNECTOR_DVII,
122         DRM_MODE_CONNECTOR_DVID,
123         DRM_MODE_CONNECTOR_Composite,
124         DRM_MODE_CONNECTOR_SVIDEO,
125         DRM_MODE_CONNECTOR_Unknown,
126 };
127
128 static uint16_t combios_get_table_offset(struct drm_device *dev,
129                                          enum radeon_combios_table_offset table)
130 {
131         struct radeon_device *rdev = dev->dev_private;
132         int rev, size;
133         uint16_t offset = 0, check_offset;
134
135         if (!rdev->bios)
136                 return 0;
137
138         switch (table) {
139                 /* absolute offset tables */
140         case COMBIOS_ASIC_INIT_1_TABLE:
141                 check_offset = 0xc;
142                 break;
143         case COMBIOS_BIOS_SUPPORT_TABLE:
144                 check_offset = 0x14;
145                 break;
146         case COMBIOS_DAC_PROGRAMMING_TABLE:
147                 check_offset = 0x2a;
148                 break;
149         case COMBIOS_MAX_COLOR_DEPTH_TABLE:
150                 check_offset = 0x2c;
151                 break;
152         case COMBIOS_CRTC_INFO_TABLE:
153                 check_offset = 0x2e;
154                 break;
155         case COMBIOS_PLL_INFO_TABLE:
156                 check_offset = 0x30;
157                 break;
158         case COMBIOS_TV_INFO_TABLE:
159                 check_offset = 0x32;
160                 break;
161         case COMBIOS_DFP_INFO_TABLE:
162                 check_offset = 0x34;
163                 break;
164         case COMBIOS_HW_CONFIG_INFO_TABLE:
165                 check_offset = 0x36;
166                 break;
167         case COMBIOS_MULTIMEDIA_INFO_TABLE:
168                 check_offset = 0x38;
169                 break;
170         case COMBIOS_TV_STD_PATCH_TABLE:
171                 check_offset = 0x3e;
172                 break;
173         case COMBIOS_LCD_INFO_TABLE:
174                 check_offset = 0x40;
175                 break;
176         case COMBIOS_MOBILE_INFO_TABLE:
177                 check_offset = 0x42;
178                 break;
179         case COMBIOS_PLL_INIT_TABLE:
180                 check_offset = 0x46;
181                 break;
182         case COMBIOS_MEM_CONFIG_TABLE:
183                 check_offset = 0x48;
184                 break;
185         case COMBIOS_SAVE_MASK_TABLE:
186                 check_offset = 0x4a;
187                 break;
188         case COMBIOS_HARDCODED_EDID_TABLE:
189                 check_offset = 0x4c;
190                 break;
191         case COMBIOS_ASIC_INIT_2_TABLE:
192                 check_offset = 0x4e;
193                 break;
194         case COMBIOS_CONNECTOR_INFO_TABLE:
195                 check_offset = 0x50;
196                 break;
197         case COMBIOS_DYN_CLK_1_TABLE:
198                 check_offset = 0x52;
199                 break;
200         case COMBIOS_RESERVED_MEM_TABLE:
201                 check_offset = 0x54;
202                 break;
203         case COMBIOS_EXT_TMDS_INFO_TABLE:
204                 check_offset = 0x58;
205                 break;
206         case COMBIOS_MEM_CLK_INFO_TABLE:
207                 check_offset = 0x5a;
208                 break;
209         case COMBIOS_EXT_DAC_INFO_TABLE:
210                 check_offset = 0x5c;
211                 break;
212         case COMBIOS_MISC_INFO_TABLE:
213                 check_offset = 0x5e;
214                 break;
215         case COMBIOS_CRT_INFO_TABLE:
216                 check_offset = 0x60;
217                 break;
218         case COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE:
219                 check_offset = 0x62;
220                 break;
221         case COMBIOS_COMPONENT_VIDEO_INFO_TABLE:
222                 check_offset = 0x64;
223                 break;
224         case COMBIOS_FAN_SPEED_INFO_TABLE:
225                 check_offset = 0x66;
226                 break;
227         case COMBIOS_OVERDRIVE_INFO_TABLE:
228                 check_offset = 0x68;
229                 break;
230         case COMBIOS_OEM_INFO_TABLE:
231                 check_offset = 0x6a;
232                 break;
233         case COMBIOS_DYN_CLK_2_TABLE:
234                 check_offset = 0x6c;
235                 break;
236         case COMBIOS_POWER_CONNECTOR_INFO_TABLE:
237                 check_offset = 0x6e;
238                 break;
239         case COMBIOS_I2C_INFO_TABLE:
240                 check_offset = 0x70;
241                 break;
242                 /* relative offset tables */
243         case COMBIOS_ASIC_INIT_3_TABLE: /* offset from misc info */
244                 check_offset =
245                     combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
246                 if (check_offset) {
247                         rev = RBIOS8(check_offset);
248                         if (rev > 0) {
249                                 check_offset = RBIOS16(check_offset + 0x3);
250                                 if (check_offset)
251                                         offset = check_offset;
252                         }
253                 }
254                 break;
255         case COMBIOS_ASIC_INIT_4_TABLE: /* offset from misc info */
256                 check_offset =
257                     combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
258                 if (check_offset) {
259                         rev = RBIOS8(check_offset);
260                         if (rev > 0) {
261                                 check_offset = RBIOS16(check_offset + 0x5);
262                                 if (check_offset)
263                                         offset = check_offset;
264                         }
265                 }
266                 break;
267         case COMBIOS_DETECTED_MEM_TABLE:        /* offset from misc info */
268                 check_offset =
269                     combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
270                 if (check_offset) {
271                         rev = RBIOS8(check_offset);
272                         if (rev > 0) {
273                                 check_offset = RBIOS16(check_offset + 0x7);
274                                 if (check_offset)
275                                         offset = check_offset;
276                         }
277                 }
278                 break;
279         case COMBIOS_ASIC_INIT_5_TABLE: /* offset from misc info */
280                 check_offset =
281                     combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
282                 if (check_offset) {
283                         rev = RBIOS8(check_offset);
284                         if (rev == 2) {
285                                 check_offset = RBIOS16(check_offset + 0x9);
286                                 if (check_offset)
287                                         offset = check_offset;
288                         }
289                 }
290                 break;
291         case COMBIOS_RAM_RESET_TABLE:   /* offset from mem config */
292                 check_offset =
293                     combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
294                 if (check_offset) {
295                         while (RBIOS8(check_offset++));
296                         check_offset += 2;
297                         if (check_offset)
298                                 offset = check_offset;
299                 }
300                 break;
301         case COMBIOS_POWERPLAY_INFO_TABLE:      /* offset from mobile info */
302                 check_offset =
303                     combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
304                 if (check_offset) {
305                         check_offset = RBIOS16(check_offset + 0x11);
306                         if (check_offset)
307                                 offset = check_offset;
308                 }
309                 break;
310         case COMBIOS_GPIO_INFO_TABLE:   /* offset from mobile info */
311                 check_offset =
312                     combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
313                 if (check_offset) {
314                         check_offset = RBIOS16(check_offset + 0x13);
315                         if (check_offset)
316                                 offset = check_offset;
317                 }
318                 break;
319         case COMBIOS_LCD_DDC_INFO_TABLE:        /* offset from mobile info */
320                 check_offset =
321                     combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
322                 if (check_offset) {
323                         check_offset = RBIOS16(check_offset + 0x15);
324                         if (check_offset)
325                                 offset = check_offset;
326                 }
327                 break;
328         case COMBIOS_TMDS_POWER_TABLE:  /* offset from mobile info */
329                 check_offset =
330                     combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
331                 if (check_offset) {
332                         check_offset = RBIOS16(check_offset + 0x17);
333                         if (check_offset)
334                                 offset = check_offset;
335                 }
336                 break;
337         case COMBIOS_TMDS_POWER_ON_TABLE:       /* offset from tmds power */
338                 check_offset =
339                     combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
340                 if (check_offset) {
341                         check_offset = RBIOS16(check_offset + 0x2);
342                         if (check_offset)
343                                 offset = check_offset;
344                 }
345                 break;
346         case COMBIOS_TMDS_POWER_OFF_TABLE:      /* offset from tmds power */
347                 check_offset =
348                     combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
349                 if (check_offset) {
350                         check_offset = RBIOS16(check_offset + 0x4);
351                         if (check_offset)
352                                 offset = check_offset;
353                 }
354                 break;
355         default:
356                 check_offset = 0;
357                 break;
358         }
359
360         size = RBIOS8(rdev->bios_header_start + 0x6);
361         /* check absolute offset tables */
362         if (table < COMBIOS_ASIC_INIT_3_TABLE && check_offset && check_offset < size)
363                 offset = RBIOS16(rdev->bios_header_start + check_offset);
364
365         return offset;
366 }
367
368 bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev)
369 {
370         int edid_info, size;
371         struct edid *edid;
372         unsigned char *raw;
373         edid_info = combios_get_table_offset(rdev->ddev, COMBIOS_HARDCODED_EDID_TABLE);
374         if (!edid_info)
375                 return false;
376
377         raw = rdev->bios + edid_info;
378         size = EDID_LENGTH * (raw[0x7e] + 1);
379         edid = kmalloc(size, M_DRM, M_WAITOK);
380         if (edid == NULL)
381                 return false;
382
383         memcpy((unsigned char *)edid, raw, size);
384
385         if (!drm_edid_is_valid(edid)) {
386                 kfree(edid);
387                 return false;
388         }
389
390         rdev->mode_info.bios_hardcoded_edid = edid;
391         rdev->mode_info.bios_hardcoded_edid_size = size;
392         return true;
393 }
394
395 /* this is used for atom LCDs as well */
396 struct edid *
397 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev)
398 {
399         struct edid *edid;
400
401         if (rdev->mode_info.bios_hardcoded_edid) {
402                 edid = kmalloc(rdev->mode_info.bios_hardcoded_edid_size,
403                                M_DRM, M_WAITOK);
404                 if (edid) {
405                         memcpy((unsigned char *)edid,
406                                (unsigned char *)rdev->mode_info.bios_hardcoded_edid,
407                                rdev->mode_info.bios_hardcoded_edid_size);
408                         return edid;
409                 }
410         }
411         return NULL;
412 }
413
414 static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
415                                                        enum radeon_combios_ddc ddc,
416                                                        u32 clk_mask,
417                                                        u32 data_mask)
418 {
419         struct radeon_i2c_bus_rec i2c;
420         int ddc_line = 0;
421
422         /* ddc id            = mask reg
423          * DDC_NONE_DETECTED = none
424          * DDC_DVI           = RADEON_GPIO_DVI_DDC
425          * DDC_VGA           = RADEON_GPIO_VGA_DDC
426          * DDC_LCD           = RADEON_GPIOPAD_MASK
427          * DDC_GPIO          = RADEON_MDGPIO_MASK
428          * r1xx
429          * DDC_MONID         = RADEON_GPIO_MONID
430          * DDC_CRT2          = RADEON_GPIO_CRT2_DDC
431          * r200
432          * DDC_MONID         = RADEON_GPIO_MONID
433          * DDC_CRT2          = RADEON_GPIO_DVI_DDC
434          * r300/r350
435          * DDC_MONID         = RADEON_GPIO_DVI_DDC
436          * DDC_CRT2          = RADEON_GPIO_DVI_DDC
437          * rv2xx/rv3xx
438          * DDC_MONID         = RADEON_GPIO_MONID
439          * DDC_CRT2          = RADEON_GPIO_MONID
440          * rs3xx/rs4xx
441          * DDC_MONID         = RADEON_GPIOPAD_MASK
442          * DDC_CRT2          = RADEON_GPIO_MONID
443          */
444         switch (ddc) {
445         case DDC_NONE_DETECTED:
446         default:
447                 ddc_line = 0;
448                 break;
449         case DDC_DVI:
450                 ddc_line = RADEON_GPIO_DVI_DDC;
451                 break;
452         case DDC_VGA:
453                 ddc_line = RADEON_GPIO_VGA_DDC;
454                 break;
455         case DDC_LCD:
456                 ddc_line = RADEON_GPIOPAD_MASK;
457                 break;
458         case DDC_GPIO:
459                 ddc_line = RADEON_MDGPIO_MASK;
460                 break;
461         case DDC_MONID:
462                 if (rdev->family == CHIP_RS300 ||
463                     rdev->family == CHIP_RS400 ||
464                     rdev->family == CHIP_RS480)
465                         ddc_line = RADEON_GPIOPAD_MASK;
466                 else if (rdev->family == CHIP_R300 ||
467                          rdev->family == CHIP_R350) {
468                         ddc_line = RADEON_GPIO_DVI_DDC;
469                         ddc = DDC_DVI;
470                 } else
471                         ddc_line = RADEON_GPIO_MONID;
472                 break;
473         case DDC_CRT2:
474                 if (rdev->family == CHIP_R200 ||
475                     rdev->family == CHIP_R300 ||
476                     rdev->family == CHIP_R350) {
477                         ddc_line = RADEON_GPIO_DVI_DDC;
478                         ddc = DDC_DVI;
479                 } else if (rdev->family == CHIP_RS300 ||
480                            rdev->family == CHIP_RS400 ||
481                            rdev->family == CHIP_RS480)
482                         ddc_line = RADEON_GPIO_MONID;
483                 else if (rdev->family >= CHIP_RV350) {
484                         ddc_line = RADEON_GPIO_MONID;
485                         ddc = DDC_MONID;
486                 } else
487                         ddc_line = RADEON_GPIO_CRT2_DDC;
488                 break;
489         }
490
491         if (ddc_line == RADEON_GPIOPAD_MASK) {
492                 i2c.mask_clk_reg = RADEON_GPIOPAD_MASK;
493                 i2c.mask_data_reg = RADEON_GPIOPAD_MASK;
494                 i2c.a_clk_reg = RADEON_GPIOPAD_A;
495                 i2c.a_data_reg = RADEON_GPIOPAD_A;
496                 i2c.en_clk_reg = RADEON_GPIOPAD_EN;
497                 i2c.en_data_reg = RADEON_GPIOPAD_EN;
498                 i2c.y_clk_reg = RADEON_GPIOPAD_Y;
499                 i2c.y_data_reg = RADEON_GPIOPAD_Y;
500         } else if (ddc_line == RADEON_MDGPIO_MASK) {
501                 i2c.mask_clk_reg = RADEON_MDGPIO_MASK;
502                 i2c.mask_data_reg = RADEON_MDGPIO_MASK;
503                 i2c.a_clk_reg = RADEON_MDGPIO_A;
504                 i2c.a_data_reg = RADEON_MDGPIO_A;
505                 i2c.en_clk_reg = RADEON_MDGPIO_EN;
506                 i2c.en_data_reg = RADEON_MDGPIO_EN;
507                 i2c.y_clk_reg = RADEON_MDGPIO_Y;
508                 i2c.y_data_reg = RADEON_MDGPIO_Y;
509         } else {
510                 i2c.mask_clk_reg = ddc_line;
511                 i2c.mask_data_reg = ddc_line;
512                 i2c.a_clk_reg = ddc_line;
513                 i2c.a_data_reg = ddc_line;
514                 i2c.en_clk_reg = ddc_line;
515                 i2c.en_data_reg = ddc_line;
516                 i2c.y_clk_reg = ddc_line;
517                 i2c.y_data_reg = ddc_line;
518         }
519
520         if (clk_mask && data_mask) {
521                 /* system specific masks */
522                 i2c.mask_clk_mask = clk_mask;
523                 i2c.mask_data_mask = data_mask;
524                 i2c.a_clk_mask = clk_mask;
525                 i2c.a_data_mask = data_mask;
526                 i2c.en_clk_mask = clk_mask;
527                 i2c.en_data_mask = data_mask;
528                 i2c.y_clk_mask = clk_mask;
529                 i2c.y_data_mask = data_mask;
530         } else if ((ddc_line == RADEON_GPIOPAD_MASK) ||
531                    (ddc_line == RADEON_MDGPIO_MASK)) {
532                 /* default gpiopad masks */
533                 i2c.mask_clk_mask = (0x20 << 8);
534                 i2c.mask_data_mask = 0x80;
535                 i2c.a_clk_mask = (0x20 << 8);
536                 i2c.a_data_mask = 0x80;
537                 i2c.en_clk_mask = (0x20 << 8);
538                 i2c.en_data_mask = 0x80;
539                 i2c.y_clk_mask = (0x20 << 8);
540                 i2c.y_data_mask = 0x80;
541         } else {
542                 /* default masks for ddc pads */
543                 i2c.mask_clk_mask = RADEON_GPIO_MASK_1;
544                 i2c.mask_data_mask = RADEON_GPIO_MASK_0;
545                 i2c.a_clk_mask = RADEON_GPIO_A_1;
546                 i2c.a_data_mask = RADEON_GPIO_A_0;
547                 i2c.en_clk_mask = RADEON_GPIO_EN_1;
548                 i2c.en_data_mask = RADEON_GPIO_EN_0;
549                 i2c.y_clk_mask = RADEON_GPIO_Y_1;
550                 i2c.y_data_mask = RADEON_GPIO_Y_0;
551         }
552
553         switch (rdev->family) {
554         case CHIP_R100:
555         case CHIP_RV100:
556         case CHIP_RS100:
557         case CHIP_RV200:
558         case CHIP_RS200:
559         case CHIP_RS300:
560                 switch (ddc_line) {
561                 case RADEON_GPIO_DVI_DDC:
562                         i2c.hw_capable = true;
563                         break;
564                 default:
565                         i2c.hw_capable = false;
566                         break;
567                 }
568                 break;
569         case CHIP_R200:
570                 switch (ddc_line) {
571                 case RADEON_GPIO_DVI_DDC:
572                 case RADEON_GPIO_MONID:
573                         i2c.hw_capable = true;
574                         break;
575                 default:
576                         i2c.hw_capable = false;
577                         break;
578                 }
579                 break;
580         case CHIP_RV250:
581         case CHIP_RV280:
582                 switch (ddc_line) {
583                 case RADEON_GPIO_VGA_DDC:
584                 case RADEON_GPIO_DVI_DDC:
585                 case RADEON_GPIO_CRT2_DDC:
586                         i2c.hw_capable = true;
587                         break;
588                 default:
589                         i2c.hw_capable = false;
590                         break;
591                 }
592                 break;
593         case CHIP_R300:
594         case CHIP_R350:
595                 switch (ddc_line) {
596                 case RADEON_GPIO_VGA_DDC:
597                 case RADEON_GPIO_DVI_DDC:
598                         i2c.hw_capable = true;
599                         break;
600                 default:
601                         i2c.hw_capable = false;
602                         break;
603                 }
604                 break;
605         case CHIP_RV350:
606         case CHIP_RV380:
607         case CHIP_RS400:
608         case CHIP_RS480:
609                 switch (ddc_line) {
610                 case RADEON_GPIO_VGA_DDC:
611                 case RADEON_GPIO_DVI_DDC:
612                         i2c.hw_capable = true;
613                         break;
614                 case RADEON_GPIO_MONID:
615                         /* hw i2c on RADEON_GPIO_MONID doesn't seem to work
616                          * reliably on some pre-r4xx hardware; not sure why.
617                          */
618                         i2c.hw_capable = false;
619                         break;
620                 default:
621                         i2c.hw_capable = false;
622                         break;
623                 }
624                 break;
625         default:
626                 i2c.hw_capable = false;
627                 break;
628         }
629         i2c.mm_i2c = false;
630
631         i2c.i2c_id = ddc;
632         i2c.hpd = RADEON_HPD_NONE;
633
634         if (ddc_line)
635                 i2c.valid = true;
636         else
637                 i2c.valid = false;
638
639         return i2c;
640 }
641
642 static struct radeon_i2c_bus_rec radeon_combios_get_i2c_info_from_table(struct radeon_device *rdev)
643 {
644         struct drm_device *dev = rdev->ddev;
645         struct radeon_i2c_bus_rec i2c;
646         u16 offset;
647         u8 id, blocks, clk, data;
648         int i;
649
650         i2c.valid = false;
651
652         offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE);
653         if (offset) {
654                 blocks = RBIOS8(offset + 2);
655                 for (i = 0; i < blocks; i++) {
656                         id = RBIOS8(offset + 3 + (i * 5) + 0);
657                         if (id == 136) {
658                                 clk = RBIOS8(offset + 3 + (i * 5) + 3);
659                                 data = RBIOS8(offset + 3 + (i * 5) + 4);
660                                 /* gpiopad */
661                                 i2c = combios_setup_i2c_bus(rdev, DDC_MONID,
662                                                             (1 << clk), (1 << data));
663                                 break;
664                         }
665                 }
666         }
667         return i2c;
668 }
669
670 void radeon_combios_i2c_init(struct radeon_device *rdev)
671 {
672         struct drm_device *dev = rdev->ddev;
673         struct radeon_i2c_bus_rec i2c;
674
675         /* actual hw pads
676          * r1xx/rs2xx/rs3xx
677          * 0x60, 0x64, 0x68, 0x6c, gpiopads, mm
678          * r200
679          * 0x60, 0x64, 0x68, mm
680          * r300/r350
681          * 0x60, 0x64, mm
682          * rv2xx/rv3xx/rs4xx
683          * 0x60, 0x64, 0x68, gpiopads, mm
684          */
685
686         /* 0x60 */
687         i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
688         rdev->i2c_bus[0] = radeon_i2c_create(dev, &i2c, "DVI_DDC");
689         /* 0x64 */
690         i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
691         rdev->i2c_bus[1] = radeon_i2c_create(dev, &i2c, "VGA_DDC");
692
693         /* mm i2c */
694         i2c.valid = true;
695         i2c.hw_capable = true;
696         i2c.mm_i2c = true;
697         i2c.i2c_id = 0xa0;
698         rdev->i2c_bus[2] = radeon_i2c_create(dev, &i2c, "MM_I2C");
699
700         if (rdev->family == CHIP_R300 ||
701             rdev->family == CHIP_R350) {
702                 /* only 2 sw i2c pads */
703         } else if (rdev->family == CHIP_RS300 ||
704                    rdev->family == CHIP_RS400 ||
705                    rdev->family == CHIP_RS480) {
706                 /* 0x68 */
707                 i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
708                 rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
709
710                 /* gpiopad */
711                 i2c = radeon_combios_get_i2c_info_from_table(rdev);
712                 if (i2c.valid)
713                         rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "GPIOPAD_MASK");
714         } else if ((rdev->family == CHIP_R200) ||
715                    (rdev->family >= CHIP_R300)) {
716                 /* 0x68 */
717                 i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
718                 rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
719         } else {
720                 /* 0x68 */
721                 i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
722                 rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
723                 /* 0x6c */
724                 i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
725                 rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "CRT2_DDC");
726         }
727 }
728
729 bool radeon_combios_get_clock_info(struct drm_device *dev)
730 {
731         struct radeon_device *rdev = dev->dev_private;
732         uint16_t pll_info;
733         struct radeon_pll *p1pll = &rdev->clock.p1pll;
734         struct radeon_pll *p2pll = &rdev->clock.p2pll;
735         struct radeon_pll *spll = &rdev->clock.spll;
736         struct radeon_pll *mpll = &rdev->clock.mpll;
737         int8_t rev;
738         uint16_t sclk, mclk;
739
740         pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
741         if (pll_info) {
742                 rev = RBIOS8(pll_info);
743
744                 /* pixel clocks */
745                 p1pll->reference_freq = RBIOS16(pll_info + 0xe);
746                 p1pll->reference_div = RBIOS16(pll_info + 0x10);
747                 p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
748                 p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
749                 p1pll->lcd_pll_out_min = p1pll->pll_out_min;
750                 p1pll->lcd_pll_out_max = p1pll->pll_out_max;
751
752                 if (rev > 9) {
753                         p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
754                         p1pll->pll_in_max = RBIOS32(pll_info + 0x3a);
755                 } else {
756                         p1pll->pll_in_min = 40;
757                         p1pll->pll_in_max = 500;
758                 }
759                 *p2pll = *p1pll;
760
761                 /* system clock */
762                 spll->reference_freq = RBIOS16(pll_info + 0x1a);
763                 spll->reference_div = RBIOS16(pll_info + 0x1c);
764                 spll->pll_out_min = RBIOS32(pll_info + 0x1e);
765                 spll->pll_out_max = RBIOS32(pll_info + 0x22);
766
767                 if (rev > 10) {
768                         spll->pll_in_min = RBIOS32(pll_info + 0x48);
769                         spll->pll_in_max = RBIOS32(pll_info + 0x4c);
770                 } else {
771                         /* ??? */
772                         spll->pll_in_min = 40;
773                         spll->pll_in_max = 500;
774                 }
775
776                 /* memory clock */
777                 mpll->reference_freq = RBIOS16(pll_info + 0x26);
778                 mpll->reference_div = RBIOS16(pll_info + 0x28);
779                 mpll->pll_out_min = RBIOS32(pll_info + 0x2a);
780                 mpll->pll_out_max = RBIOS32(pll_info + 0x2e);
781
782                 if (rev > 10) {
783                         mpll->pll_in_min = RBIOS32(pll_info + 0x5a);
784                         mpll->pll_in_max = RBIOS32(pll_info + 0x5e);
785                 } else {
786                         /* ??? */
787                         mpll->pll_in_min = 40;
788                         mpll->pll_in_max = 500;
789                 }
790
791                 /* default sclk/mclk */
792                 sclk = RBIOS16(pll_info + 0xa);
793                 mclk = RBIOS16(pll_info + 0x8);
794                 if (sclk == 0)
795                         sclk = 200 * 100;
796                 if (mclk == 0)
797                         mclk = 200 * 100;
798
799                 rdev->clock.default_sclk = sclk;
800                 rdev->clock.default_mclk = mclk;
801
802                 if (RBIOS32(pll_info + 0x16))
803                         rdev->clock.max_pixel_clock = RBIOS32(pll_info + 0x16);
804                 else
805                         rdev->clock.max_pixel_clock = 35000; /* might need something asic specific */
806
807                 return true;
808         }
809         return false;
810 }
811
812 bool radeon_combios_sideport_present(struct radeon_device *rdev)
813 {
814         struct drm_device *dev = rdev->ddev;
815         u16 igp_info;
816
817         /* sideport is AMD only */
818         if (rdev->family == CHIP_RS400)
819                 return false;
820
821         igp_info = combios_get_table_offset(dev, COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE);
822
823         if (igp_info) {
824                 if (RBIOS16(igp_info + 0x4))
825                         return true;
826         }
827         return false;
828 }
829
830 static const uint32_t default_primarydac_adj[CHIP_LAST] = {
831         0x00000808,             /* r100  */
832         0x00000808,             /* rv100 */
833         0x00000808,             /* rs100 */
834         0x00000808,             /* rv200 */
835         0x00000808,             /* rs200 */
836         0x00000808,             /* r200  */
837         0x00000808,             /* rv250 */
838         0x00000000,             /* rs300 */
839         0x00000808,             /* rv280 */
840         0x00000808,             /* r300  */
841         0x00000808,             /* r350  */
842         0x00000808,             /* rv350 */
843         0x00000808,             /* rv380 */
844         0x00000808,             /* r420  */
845         0x00000808,             /* r423  */
846         0x00000808,             /* rv410 */
847         0x00000000,             /* rs400 */
848         0x00000000,             /* rs480 */
849 };
850
851 static void radeon_legacy_get_primary_dac_info_from_table(struct radeon_device *rdev,
852                                                           struct radeon_encoder_primary_dac *p_dac)
853 {
854         p_dac->ps2_pdac_adj = default_primarydac_adj[rdev->family];
855         return;
856 }
857
858 struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
859                                                                        radeon_encoder
860                                                                        *encoder)
861 {
862         struct drm_device *dev = encoder->base.dev;
863         struct radeon_device *rdev = dev->dev_private;
864         uint16_t dac_info;
865         uint8_t rev, bg, dac;
866         struct radeon_encoder_primary_dac *p_dac = NULL;
867         int found = 0;
868
869         p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac),
870                         GFP_KERNEL);
871
872         if (!p_dac)
873                 return NULL;
874
875         /* check CRT table */
876         dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
877         if (dac_info) {
878                 rev = RBIOS8(dac_info) & 0x3;
879                 if (rev < 2) {
880                         bg = RBIOS8(dac_info + 0x2) & 0xf;
881                         dac = (RBIOS8(dac_info + 0x2) >> 4) & 0xf;
882                         p_dac->ps2_pdac_adj = (bg << 8) | (dac);
883                 } else {
884                         bg = RBIOS8(dac_info + 0x2) & 0xf;
885                         dac = RBIOS8(dac_info + 0x3) & 0xf;
886                         p_dac->ps2_pdac_adj = (bg << 8) | (dac);
887                 }
888                 /* if the values are zeros, use the table */
889                 if ((dac == 0) || (bg == 0))
890                         found = 0;
891                 else
892                         found = 1;
893         }
894
895         /* quirks */
896         /* Radeon 7000 (RV100) */
897         if (((rdev->ddev->pci_device == 0x5159) &&
898             (rdev->ddev->pci_subvendor == 0x174B) &&
899             (rdev->ddev->pci_subdevice == 0x7c28)) ||
900         /* Radeon 9100 (R200) */
901            ((rdev->ddev->pci_device == 0x514D) &&
902             (rdev->ddev->pci_subvendor == 0x174B) &&
903             (rdev->ddev->pci_subdevice == 0x7149))) {
904                 /* vbios value is bad, use the default */
905                 found = 0;
906         }
907
908         if (!found) /* fallback to defaults */
909                 radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac);
910
911         return p_dac;
912 }
913
914 enum radeon_tv_std
915 radeon_combios_get_tv_info(struct radeon_device *rdev)
916 {
917         struct drm_device *dev = rdev->ddev;
918         uint16_t tv_info;
919         enum radeon_tv_std tv_std = TV_STD_NTSC;
920
921         tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
922         if (tv_info) {
923                 if (RBIOS8(tv_info + 6) == 'T') {
924                         switch (RBIOS8(tv_info + 7) & 0xf) {
925                         case 1:
926                                 tv_std = TV_STD_NTSC;
927                                 DRM_DEBUG_KMS("Default TV standard: NTSC\n");
928                                 break;
929                         case 2:
930                                 tv_std = TV_STD_PAL;
931                                 DRM_DEBUG_KMS("Default TV standard: PAL\n");
932                                 break;
933                         case 3:
934                                 tv_std = TV_STD_PAL_M;
935                                 DRM_DEBUG_KMS("Default TV standard: PAL-M\n");
936                                 break;
937                         case 4:
938                                 tv_std = TV_STD_PAL_60;
939                                 DRM_DEBUG_KMS("Default TV standard: PAL-60\n");
940                                 break;
941                         case 5:
942                                 tv_std = TV_STD_NTSC_J;
943                                 DRM_DEBUG_KMS("Default TV standard: NTSC-J\n");
944                                 break;
945                         case 6:
946                                 tv_std = TV_STD_SCART_PAL;
947                                 DRM_DEBUG_KMS("Default TV standard: SCART-PAL\n");
948                                 break;
949                         default:
950                                 tv_std = TV_STD_NTSC;
951                                 DRM_DEBUG_KMS
952                                     ("Unknown TV standard; defaulting to NTSC\n");
953                                 break;
954                         }
955
956                         switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
957                         case 0:
958                                 DRM_DEBUG_KMS("29.498928713 MHz TV ref clk\n");
959                                 break;
960                         case 1:
961                                 DRM_DEBUG_KMS("28.636360000 MHz TV ref clk\n");
962                                 break;
963                         case 2:
964                                 DRM_DEBUG_KMS("14.318180000 MHz TV ref clk\n");
965                                 break;
966                         case 3:
967                                 DRM_DEBUG_KMS("27.000000000 MHz TV ref clk\n");
968                                 break;
969                         default:
970                                 break;
971                         }
972                 }
973         }
974         return tv_std;
975 }
976
977 static const uint32_t default_tvdac_adj[CHIP_LAST] = {
978         0x00000000,             /* r100  */
979         0x00280000,             /* rv100 */
980         0x00000000,             /* rs100 */
981         0x00880000,             /* rv200 */
982         0x00000000,             /* rs200 */
983         0x00000000,             /* r200  */
984         0x00770000,             /* rv250 */
985         0x00290000,             /* rs300 */
986         0x00560000,             /* rv280 */
987         0x00780000,             /* r300  */
988         0x00770000,             /* r350  */
989         0x00780000,             /* rv350 */
990         0x00780000,             /* rv380 */
991         0x01080000,             /* r420  */
992         0x01080000,             /* r423  */
993         0x01080000,             /* rv410 */
994         0x00780000,             /* rs400 */
995         0x00780000,             /* rs480 */
996 };
997
998 static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
999                                                      struct radeon_encoder_tv_dac *tv_dac)
1000 {
1001         tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
1002         if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
1003                 tv_dac->ps2_tvdac_adj = 0x00880000;
1004         tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1005         tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1006         return;
1007 }
1008
1009 struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
1010                                                              radeon_encoder
1011                                                              *encoder)
1012 {
1013         struct drm_device *dev = encoder->base.dev;
1014         struct radeon_device *rdev = dev->dev_private;
1015         uint16_t dac_info;
1016         uint8_t rev, bg, dac;
1017         struct radeon_encoder_tv_dac *tv_dac = NULL;
1018         int found = 0;
1019
1020         tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
1021         if (!tv_dac)
1022                 return NULL;
1023
1024         /* first check TV table */
1025         dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
1026         if (dac_info) {
1027                 rev = RBIOS8(dac_info + 0x3);
1028                 if (rev > 4) {
1029                         bg = RBIOS8(dac_info + 0xc) & 0xf;
1030                         dac = RBIOS8(dac_info + 0xd) & 0xf;
1031                         tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1032
1033                         bg = RBIOS8(dac_info + 0xe) & 0xf;
1034                         dac = RBIOS8(dac_info + 0xf) & 0xf;
1035                         tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1036
1037                         bg = RBIOS8(dac_info + 0x10) & 0xf;
1038                         dac = RBIOS8(dac_info + 0x11) & 0xf;
1039                         tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1040                         /* if the values are all zeros, use the table */
1041                         if (tv_dac->ps2_tvdac_adj)
1042                                 found = 1;
1043                 } else if (rev > 1) {
1044                         bg = RBIOS8(dac_info + 0xc) & 0xf;
1045                         dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
1046                         tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1047
1048                         bg = RBIOS8(dac_info + 0xd) & 0xf;
1049                         dac = (RBIOS8(dac_info + 0xd) >> 4) & 0xf;
1050                         tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1051
1052                         bg = RBIOS8(dac_info + 0xe) & 0xf;
1053                         dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
1054                         tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1055                         /* if the values are all zeros, use the table */
1056                         if (tv_dac->ps2_tvdac_adj)
1057                                 found = 1;
1058                 }
1059                 tv_dac->tv_std = radeon_combios_get_tv_info(rdev);
1060         }
1061         if (!found) {
1062                 /* then check CRT table */
1063                 dac_info =
1064                     combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
1065                 if (dac_info) {
1066                         rev = RBIOS8(dac_info) & 0x3;
1067                         if (rev < 2) {
1068                                 bg = RBIOS8(dac_info + 0x3) & 0xf;
1069                                 dac = (RBIOS8(dac_info + 0x3) >> 4) & 0xf;
1070                                 tv_dac->ps2_tvdac_adj =
1071                                     (bg << 16) | (dac << 20);
1072                                 tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1073                                 tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1074                                 /* if the values are all zeros, use the table */
1075                                 if (tv_dac->ps2_tvdac_adj)
1076                                         found = 1;
1077                         } else {
1078                                 bg = RBIOS8(dac_info + 0x4) & 0xf;
1079                                 dac = RBIOS8(dac_info + 0x5) & 0xf;
1080                                 tv_dac->ps2_tvdac_adj =
1081                                     (bg << 16) | (dac << 20);
1082                                 tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1083                                 tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1084                                 /* if the values are all zeros, use the table */
1085                                 if (tv_dac->ps2_tvdac_adj)
1086                                         found = 1;
1087                         }
1088                 } else {
1089                         DRM_INFO("No TV DAC info found in BIOS\n");
1090                 }
1091         }
1092
1093         if (!found) /* fallback to defaults */
1094                 radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
1095
1096         return tv_dac;
1097 }
1098
1099 static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
1100                                                                          radeon_device
1101                                                                          *rdev)
1102 {
1103         struct radeon_encoder_lvds *lvds = NULL;
1104         uint32_t fp_vert_stretch, fp_horz_stretch;
1105         uint32_t ppll_div_sel, ppll_val;
1106         uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
1107
1108         lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1109
1110         if (!lvds)
1111                 return NULL;
1112
1113         fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH);
1114         fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH);
1115
1116         /* These should be fail-safe defaults, fingers crossed */
1117         lvds->panel_pwr_delay = 200;
1118         lvds->panel_vcc_delay = 2000;
1119
1120         lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
1121         lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf;
1122         lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf;
1123
1124         if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
1125                 lvds->native_mode.vdisplay =
1126                     ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
1127                      RADEON_VERT_PANEL_SHIFT) + 1;
1128         else
1129                 lvds->native_mode.vdisplay =
1130                     (RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;
1131
1132         if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
1133                 lvds->native_mode.hdisplay =
1134                     (((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
1135                       RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
1136         else
1137                 lvds->native_mode.hdisplay =
1138                     ((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;
1139
1140         if ((lvds->native_mode.hdisplay < 640) ||
1141             (lvds->native_mode.vdisplay < 480)) {
1142                 lvds->native_mode.hdisplay = 640;
1143                 lvds->native_mode.vdisplay = 480;
1144         }
1145
1146         ppll_div_sel = RREG8(RADEON_CLOCK_CNTL_INDEX + 1) & 0x3;
1147         ppll_val = RREG32_PLL(RADEON_PPLL_DIV_0 + ppll_div_sel);
1148         if ((ppll_val & 0x000707ff) == 0x1bb)
1149                 lvds->use_bios_dividers = false;
1150         else {
1151                 lvds->panel_ref_divider =
1152                     RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
1153                 lvds->panel_post_divider = (ppll_val >> 16) & 0x7;
1154                 lvds->panel_fb_divider = ppll_val & 0x7ff;
1155
1156                 if ((lvds->panel_ref_divider != 0) &&
1157                     (lvds->panel_fb_divider > 3))
1158                         lvds->use_bios_dividers = true;
1159         }
1160         lvds->panel_vcc_delay = 200;
1161
1162         DRM_INFO("Panel info derived from registers\n");
1163         DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1164                  lvds->native_mode.vdisplay);
1165
1166         return lvds;
1167 }
1168
1169 struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
1170                                                          *encoder)
1171 {
1172         struct drm_device *dev = encoder->base.dev;
1173         struct radeon_device *rdev = dev->dev_private;
1174         uint16_t lcd_info;
1175         uint32_t panel_setup;
1176         char stmp[30];
1177         int tmp, i;
1178         struct radeon_encoder_lvds *lvds = NULL;
1179
1180         lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
1181
1182         if (lcd_info) {
1183                 lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1184
1185                 if (!lvds)
1186                         return NULL;
1187
1188                 for (i = 0; i < 24; i++)
1189                         stmp[i] = RBIOS8(lcd_info + i + 1);
1190                 stmp[24] = 0;
1191
1192                 DRM_INFO("Panel ID String: %s\n", stmp);
1193
1194                 lvds->native_mode.hdisplay = RBIOS16(lcd_info + 0x19);
1195                 lvds->native_mode.vdisplay = RBIOS16(lcd_info + 0x1b);
1196
1197                 DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1198                          lvds->native_mode.vdisplay);
1199
1200                 lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
1201                 lvds->panel_vcc_delay = min_t(u16, lvds->panel_vcc_delay, 2000);
1202
1203                 lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24);
1204                 lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf;
1205                 lvds->panel_blon_delay = (RBIOS16(lcd_info + 0x38) >> 4) & 0xf;
1206
1207                 lvds->panel_ref_divider = RBIOS16(lcd_info + 0x2e);
1208                 lvds->panel_post_divider = RBIOS8(lcd_info + 0x30);
1209                 lvds->panel_fb_divider = RBIOS16(lcd_info + 0x31);
1210                 if ((lvds->panel_ref_divider != 0) &&
1211                     (lvds->panel_fb_divider > 3))
1212                         lvds->use_bios_dividers = true;
1213
1214                 panel_setup = RBIOS32(lcd_info + 0x39);
1215                 lvds->lvds_gen_cntl = 0xff00;
1216                 if (panel_setup & 0x1)
1217                         lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
1218
1219                 if ((panel_setup >> 4) & 0x1)
1220                         lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
1221
1222                 switch ((panel_setup >> 8) & 0x7) {
1223                 case 0:
1224                         lvds->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
1225                         break;
1226                 case 1:
1227                         lvds->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
1228                         break;
1229                 case 2:
1230                         lvds->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
1231                         break;
1232                 default:
1233                         break;
1234                 }
1235
1236                 if ((panel_setup >> 16) & 0x1)
1237                         lvds->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
1238
1239                 if ((panel_setup >> 17) & 0x1)
1240                         lvds->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
1241
1242                 if ((panel_setup >> 18) & 0x1)
1243                         lvds->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
1244
1245                 if ((panel_setup >> 23) & 0x1)
1246                         lvds->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
1247
1248                 lvds->lvds_gen_cntl |= (panel_setup & 0xf0000000);
1249
1250                 for (i = 0; i < 32; i++) {
1251                         tmp = RBIOS16(lcd_info + 64 + i * 2);
1252                         if (tmp == 0)
1253                                 break;
1254
1255                         if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
1256                             (RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) {
1257                                 lvds->native_mode.htotal = lvds->native_mode.hdisplay +
1258                                         (RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8;
1259                                 lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
1260                                         (RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8;
1261                                 lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
1262                                         (RBIOS8(tmp + 23) * 8);
1263
1264                                 lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
1265                                         (RBIOS16(tmp + 24) - RBIOS16(tmp + 26));
1266                                 lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
1267                                         ((RBIOS16(tmp + 28) & 0x7ff) - RBIOS16(tmp + 26));
1268                                 lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
1269                                         ((RBIOS16(tmp + 28) & 0xf800) >> 11);
1270
1271                                 lvds->native_mode.clock = RBIOS16(tmp + 9) * 10;
1272                                 lvds->native_mode.flags = 0;
1273                                 /* set crtc values */
1274                                 drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
1275
1276                         }
1277                 }
1278         } else {
1279                 DRM_INFO("No panel info found in BIOS\n");
1280                 lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
1281         }
1282
1283         if (lvds)
1284                 encoder->native_mode = lvds->native_mode;
1285         return lvds;
1286 }
1287
1288 static const struct radeon_tmds_pll default_tmds_pll[CHIP_LAST][4] = {
1289         {{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_R100  */
1290         {{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_RV100 */
1291         {{0, 0}, {0, 0}, {0, 0}, {0, 0}},       /* CHIP_RS100 */
1292         {{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_RV200 */
1293         {{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_RS200 */
1294         {{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_R200  */
1295         {{15500, 0x81b}, {0xffffffff, 0x83f}, {0, 0}, {0, 0}},  /* CHIP_RV250 */
1296         {{0, 0}, {0, 0}, {0, 0}, {0, 0}},       /* CHIP_RS300 */
1297         {{13000, 0x400f4}, {15000, 0x400f7}, {0xffffffff, 0x40111}, {0, 0}},    /* CHIP_RV280 */
1298         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_R300  */
1299         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_R350  */
1300         {{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},      /* CHIP_RV350 */
1301         {{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},      /* CHIP_RV380 */
1302         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_R420  */
1303         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_R423  */
1304         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_RV410 */
1305         { {0, 0}, {0, 0}, {0, 0}, {0, 0} },     /* CHIP_RS400 */
1306         { {0, 0}, {0, 0}, {0, 0}, {0, 0} },     /* CHIP_RS480 */
1307 };
1308
1309 bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
1310                                             struct radeon_encoder_int_tmds *tmds)
1311 {
1312         struct drm_device *dev = encoder->base.dev;
1313         struct radeon_device *rdev = dev->dev_private;
1314         int i;
1315
1316         for (i = 0; i < 4; i++) {
1317                 tmds->tmds_pll[i].value =
1318                         default_tmds_pll[rdev->family][i].value;
1319                 tmds->tmds_pll[i].freq = default_tmds_pll[rdev->family][i].freq;
1320         }
1321
1322         return true;
1323 }
1324
1325 bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
1326                                               struct radeon_encoder_int_tmds *tmds)
1327 {
1328         struct drm_device *dev = encoder->base.dev;
1329         struct radeon_device *rdev = dev->dev_private;
1330         uint16_t tmds_info;
1331         int i, n;
1332         uint8_t ver;
1333
1334         tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1335
1336         if (tmds_info) {
1337                 ver = RBIOS8(tmds_info);
1338                 DRM_DEBUG_KMS("DFP table revision: %d\n", ver);
1339                 if (ver == 3) {
1340                         n = RBIOS8(tmds_info + 5) + 1;
1341                         if (n > 4)
1342                                 n = 4;
1343                         for (i = 0; i < n; i++) {
1344                                 tmds->tmds_pll[i].value =
1345                                     RBIOS32(tmds_info + i * 10 + 0x08);
1346                                 tmds->tmds_pll[i].freq =
1347                                     RBIOS16(tmds_info + i * 10 + 0x10);
1348                                 DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1349                                           tmds->tmds_pll[i].freq,
1350                                           tmds->tmds_pll[i].value);
1351                         }
1352                 } else if (ver == 4) {
1353                         int stride = 0;
1354                         n = RBIOS8(tmds_info + 5) + 1;
1355                         if (n > 4)
1356                                 n = 4;
1357                         for (i = 0; i < n; i++) {
1358                                 tmds->tmds_pll[i].value =
1359                                     RBIOS32(tmds_info + stride + 0x08);
1360                                 tmds->tmds_pll[i].freq =
1361                                     RBIOS16(tmds_info + stride + 0x10);
1362                                 if (i == 0)
1363                                         stride += 10;
1364                                 else
1365                                         stride += 6;
1366                                 DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1367                                           tmds->tmds_pll[i].freq,
1368                                           tmds->tmds_pll[i].value);
1369                         }
1370                 }
1371         } else {
1372                 DRM_INFO("No TMDS info found in BIOS\n");
1373                 return false;
1374         }
1375         return true;
1376 }
1377
1378 bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
1379                                                 struct radeon_encoder_ext_tmds *tmds)
1380 {
1381         struct drm_device *dev = encoder->base.dev;
1382         struct radeon_device *rdev = dev->dev_private;
1383         struct radeon_i2c_bus_rec i2c_bus;
1384
1385         /* default for macs */
1386         i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1387         tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1388
1389         /* XXX some macs have duallink chips */
1390         switch (rdev->mode_info.connector_table) {
1391         case CT_POWERBOOK_EXTERNAL:
1392         case CT_MINI_EXTERNAL:
1393         default:
1394                 tmds->dvo_chip = DVO_SIL164;
1395                 tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1396                 break;
1397         }
1398
1399         return true;
1400 }
1401
1402 bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
1403                                                   struct radeon_encoder_ext_tmds *tmds)
1404 {
1405         struct drm_device *dev = encoder->base.dev;
1406         struct radeon_device *rdev = dev->dev_private;
1407         uint16_t offset;
1408         uint8_t ver;
1409         enum radeon_combios_ddc gpio;
1410         struct radeon_i2c_bus_rec i2c_bus;
1411
1412         tmds->i2c_bus = NULL;
1413         if (rdev->flags & RADEON_IS_IGP) {
1414                 i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1415                 tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1416                 tmds->dvo_chip = DVO_SIL164;
1417                 tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1418         } else {
1419                 offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
1420                 if (offset) {
1421                         ver = RBIOS8(offset);
1422                         DRM_DEBUG_KMS("External TMDS Table revision: %d\n", ver);
1423                         tmds->slave_addr = RBIOS8(offset + 4 + 2);
1424                         tmds->slave_addr >>= 1; /* 7 bit addressing */
1425                         gpio = RBIOS8(offset + 4 + 3);
1426                         if (gpio == DDC_LCD) {
1427                                 /* MM i2c */
1428                                 i2c_bus.valid = true;
1429                                 i2c_bus.hw_capable = true;
1430                                 i2c_bus.mm_i2c = true;
1431                                 i2c_bus.i2c_id = 0xa0;
1432                         } else
1433                                 i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
1434                         tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1435                 }
1436         }
1437
1438         if (!tmds->i2c_bus) {
1439                 DRM_INFO("No valid Ext TMDS info found in BIOS\n");
1440                 return false;
1441         }
1442
1443         return true;
1444 }
1445
1446 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
1447 {
1448         struct radeon_device *rdev = dev->dev_private;
1449         struct radeon_i2c_bus_rec ddc_i2c;
1450         struct radeon_hpd hpd;
1451
1452         rdev->mode_info.connector_table = radeon_connector_table;
1453         if (rdev->mode_info.connector_table == CT_NONE) {
1454 #ifdef CONFIG_PPC_PMAC
1455                 if (of_machine_is_compatible("PowerBook3,3")) {
1456                         /* powerbook with VGA */
1457                         rdev->mode_info.connector_table = CT_POWERBOOK_VGA;
1458                 } else if (of_machine_is_compatible("PowerBook3,4") ||
1459                            of_machine_is_compatible("PowerBook3,5")) {
1460                         /* powerbook with internal tmds */
1461                         rdev->mode_info.connector_table = CT_POWERBOOK_INTERNAL;
1462                 } else if (of_machine_is_compatible("PowerBook5,1") ||
1463                            of_machine_is_compatible("PowerBook5,2") ||
1464                            of_machine_is_compatible("PowerBook5,3") ||
1465                            of_machine_is_compatible("PowerBook5,4") ||
1466                            of_machine_is_compatible("PowerBook5,5")) {
1467                         /* powerbook with external single link tmds (sil164) */
1468                         rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1469                 } else if (of_machine_is_compatible("PowerBook5,6")) {
1470                         /* powerbook with external dual or single link tmds */
1471                         rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1472                 } else if (of_machine_is_compatible("PowerBook5,7") ||
1473                            of_machine_is_compatible("PowerBook5,8") ||
1474                            of_machine_is_compatible("PowerBook5,9")) {
1475                         /* PowerBook6,2 ? */
1476                         /* powerbook with external dual link tmds (sil1178?) */
1477                         rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1478                 } else if (of_machine_is_compatible("PowerBook4,1") ||
1479                            of_machine_is_compatible("PowerBook4,2") ||
1480                            of_machine_is_compatible("PowerBook4,3") ||
1481                            of_machine_is_compatible("PowerBook6,3") ||
1482                            of_machine_is_compatible("PowerBook6,5") ||
1483                            of_machine_is_compatible("PowerBook6,7")) {
1484                         /* ibook */
1485                         rdev->mode_info.connector_table = CT_IBOOK;
1486                 } else if (of_machine_is_compatible("PowerMac3,5")) {
1487                         /* PowerMac G4 Silver radeon 7500 */
1488                         rdev->mode_info.connector_table = CT_MAC_G4_SILVER;
1489                 } else if (of_machine_is_compatible("PowerMac4,4")) {
1490                         /* emac */
1491                         rdev->mode_info.connector_table = CT_EMAC;
1492                 } else if (of_machine_is_compatible("PowerMac10,1")) {
1493                         /* mini with internal tmds */
1494                         rdev->mode_info.connector_table = CT_MINI_INTERNAL;
1495                 } else if (of_machine_is_compatible("PowerMac10,2")) {
1496                         /* mini with external tmds */
1497                         rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
1498                 } else if (of_machine_is_compatible("PowerMac12,1")) {
1499                         /* PowerMac8,1 ? */
1500                         /* imac g5 isight */
1501                         rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
1502                 } else if ((dev->pci_device == 0x4a48) &&
1503                            (dev->pci_subvendor == 0x1002) &&
1504                            (dev->pci_subdevice == 0x4a48)) {
1505                         /* Mac X800 */
1506                         rdev->mode_info.connector_table = CT_MAC_X800;
1507                 } else if ((of_machine_is_compatible("PowerMac7,2") ||
1508                             of_machine_is_compatible("PowerMac7,3")) &&
1509                            (dev->pci_device == 0x4150) &&
1510                            (dev->pci_subvendor == 0x1002) &&
1511                            (dev->pci_subdevice == 0x4150)) {
1512                         /* Mac G5 tower 9600 */
1513                         rdev->mode_info.connector_table = CT_MAC_G5_9600;
1514                 } else if ((dev->pci_device == 0x4c66) &&
1515                            (dev->pci_subvendor == 0x1002) &&
1516                            (dev->pci_subdevice == 0x4c66)) {
1517                         /* SAM440ep RV250 embedded board */
1518                         rdev->mode_info.connector_table = CT_SAM440EP;
1519                 } else
1520 #endif /* CONFIG_PPC_PMAC */
1521 #ifdef CONFIG_PPC64
1522                 if (ASIC_IS_RN50(rdev))
1523                         rdev->mode_info.connector_table = CT_RN50_POWER;
1524                 else
1525 #endif
1526                         rdev->mode_info.connector_table = CT_GENERIC;
1527         }
1528
1529         switch (rdev->mode_info.connector_table) {
1530         case CT_GENERIC:
1531                 DRM_INFO("Connector Table: %d (generic)\n",
1532                          rdev->mode_info.connector_table);
1533                 /* these are the most common settings */
1534                 if (rdev->flags & RADEON_SINGLE_CRTC) {
1535                         /* VGA - primary dac */
1536                         ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1537                         hpd.hpd = RADEON_HPD_NONE;
1538                         radeon_add_legacy_encoder(dev,
1539                                                   radeon_get_encoder_enum(dev,
1540                                                                         ATOM_DEVICE_CRT1_SUPPORT,
1541                                                                         1),
1542                                                   ATOM_DEVICE_CRT1_SUPPORT);
1543                         radeon_add_legacy_connector(dev, 0,
1544                                                     ATOM_DEVICE_CRT1_SUPPORT,
1545                                                     DRM_MODE_CONNECTOR_VGA,
1546                                                     &ddc_i2c,
1547                                                     CONNECTOR_OBJECT_ID_VGA,
1548                                                     &hpd);
1549                 } else if (rdev->flags & RADEON_IS_MOBILITY) {
1550                         /* LVDS */
1551                         ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
1552                         hpd.hpd = RADEON_HPD_NONE;
1553                         radeon_add_legacy_encoder(dev,
1554                                                   radeon_get_encoder_enum(dev,
1555                                                                         ATOM_DEVICE_LCD1_SUPPORT,
1556                                                                         0),
1557                                                   ATOM_DEVICE_LCD1_SUPPORT);
1558                         radeon_add_legacy_connector(dev, 0,
1559                                                     ATOM_DEVICE_LCD1_SUPPORT,
1560                                                     DRM_MODE_CONNECTOR_LVDS,
1561                                                     &ddc_i2c,
1562                                                     CONNECTOR_OBJECT_ID_LVDS,
1563                                                     &hpd);
1564
1565                         /* VGA - primary dac */
1566                         ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1567                         hpd.hpd = RADEON_HPD_NONE;
1568                         radeon_add_legacy_encoder(dev,
1569                                                   radeon_get_encoder_enum(dev,
1570                                                                         ATOM_DEVICE_CRT1_SUPPORT,
1571                                                                         1),
1572                                                   ATOM_DEVICE_CRT1_SUPPORT);
1573                         radeon_add_legacy_connector(dev, 1,
1574                                                     ATOM_DEVICE_CRT1_SUPPORT,
1575                                                     DRM_MODE_CONNECTOR_VGA,
1576                                                     &ddc_i2c,
1577                                                     CONNECTOR_OBJECT_ID_VGA,
1578                                                     &hpd);
1579                 } else {
1580                         /* DVI-I - tv dac, int tmds */
1581                         ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1582                         hpd.hpd = RADEON_HPD_1;
1583                         radeon_add_legacy_encoder(dev,
1584                                                   radeon_get_encoder_enum(dev,
1585                                                                         ATOM_DEVICE_DFP1_SUPPORT,
1586                                                                         0),
1587                                                   ATOM_DEVICE_DFP1_SUPPORT);
1588                         radeon_add_legacy_encoder(dev,
1589                                                   radeon_get_encoder_enum(dev,
1590                                                                         ATOM_DEVICE_CRT2_SUPPORT,
1591                                                                         2),
1592                                                   ATOM_DEVICE_CRT2_SUPPORT);
1593                         radeon_add_legacy_connector(dev, 0,
1594                                                     ATOM_DEVICE_DFP1_SUPPORT |
1595                                                     ATOM_DEVICE_CRT2_SUPPORT,
1596                                                     DRM_MODE_CONNECTOR_DVII,
1597                                                     &ddc_i2c,
1598                                                     CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1599                                                     &hpd);
1600
1601                         /* VGA - primary dac */
1602                         ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1603                         hpd.hpd = RADEON_HPD_NONE;
1604                         radeon_add_legacy_encoder(dev,
1605                                                   radeon_get_encoder_enum(dev,
1606                                                                         ATOM_DEVICE_CRT1_SUPPORT,
1607                                                                         1),
1608                                                   ATOM_DEVICE_CRT1_SUPPORT);
1609                         radeon_add_legacy_connector(dev, 1,
1610                                                     ATOM_DEVICE_CRT1_SUPPORT,
1611                                                     DRM_MODE_CONNECTOR_VGA,
1612                                                     &ddc_i2c,
1613                                                     CONNECTOR_OBJECT_ID_VGA,
1614                                                     &hpd);
1615                 }
1616
1617                 if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1618                         /* TV - tv dac */
1619                         ddc_i2c.valid = false;
1620                         hpd.hpd = RADEON_HPD_NONE;
1621                         radeon_add_legacy_encoder(dev,
1622                                                   radeon_get_encoder_enum(dev,
1623                                                                         ATOM_DEVICE_TV1_SUPPORT,
1624                                                                         2),
1625                                                   ATOM_DEVICE_TV1_SUPPORT);
1626                         radeon_add_legacy_connector(dev, 2,
1627                                                     ATOM_DEVICE_TV1_SUPPORT,
1628                                                     DRM_MODE_CONNECTOR_SVIDEO,
1629                                                     &ddc_i2c,
1630                                                     CONNECTOR_OBJECT_ID_SVIDEO,
1631                                                     &hpd);
1632                 }
1633                 break;
1634         case CT_IBOOK:
1635                 DRM_INFO("Connector Table: %d (ibook)\n",
1636                          rdev->mode_info.connector_table);
1637                 /* LVDS */
1638                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1639                 hpd.hpd = RADEON_HPD_NONE;
1640                 radeon_add_legacy_encoder(dev,
1641                                           radeon_get_encoder_enum(dev,
1642                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1643                                                                 0),
1644                                           ATOM_DEVICE_LCD1_SUPPORT);
1645                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1646                                             DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1647                                             CONNECTOR_OBJECT_ID_LVDS,
1648                                             &hpd);
1649                 /* VGA - TV DAC */
1650                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1651                 hpd.hpd = RADEON_HPD_NONE;
1652                 radeon_add_legacy_encoder(dev,
1653                                           radeon_get_encoder_enum(dev,
1654                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1655                                                                 2),
1656                                           ATOM_DEVICE_CRT2_SUPPORT);
1657                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1658                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1659                                             CONNECTOR_OBJECT_ID_VGA,
1660                                             &hpd);
1661                 /* TV - TV DAC */
1662                 ddc_i2c.valid = false;
1663                 hpd.hpd = RADEON_HPD_NONE;
1664                 radeon_add_legacy_encoder(dev,
1665                                           radeon_get_encoder_enum(dev,
1666                                                                 ATOM_DEVICE_TV1_SUPPORT,
1667                                                                 2),
1668                                           ATOM_DEVICE_TV1_SUPPORT);
1669                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1670                                             DRM_MODE_CONNECTOR_SVIDEO,
1671                                             &ddc_i2c,
1672                                             CONNECTOR_OBJECT_ID_SVIDEO,
1673                                             &hpd);
1674                 break;
1675         case CT_POWERBOOK_EXTERNAL:
1676                 DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
1677                          rdev->mode_info.connector_table);
1678                 /* LVDS */
1679                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1680                 hpd.hpd = RADEON_HPD_NONE;
1681                 radeon_add_legacy_encoder(dev,
1682                                           radeon_get_encoder_enum(dev,
1683                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1684                                                                 0),
1685                                           ATOM_DEVICE_LCD1_SUPPORT);
1686                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1687                                             DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1688                                             CONNECTOR_OBJECT_ID_LVDS,
1689                                             &hpd);
1690                 /* DVI-I - primary dac, ext tmds */
1691                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1692                 hpd.hpd = RADEON_HPD_2; /* ??? */
1693                 radeon_add_legacy_encoder(dev,
1694                                           radeon_get_encoder_enum(dev,
1695                                                                 ATOM_DEVICE_DFP2_SUPPORT,
1696                                                                 0),
1697                                           ATOM_DEVICE_DFP2_SUPPORT);
1698                 radeon_add_legacy_encoder(dev,
1699                                           radeon_get_encoder_enum(dev,
1700                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1701                                                                 1),
1702                                           ATOM_DEVICE_CRT1_SUPPORT);
1703                 /* XXX some are SL */
1704                 radeon_add_legacy_connector(dev, 1,
1705                                             ATOM_DEVICE_DFP2_SUPPORT |
1706                                             ATOM_DEVICE_CRT1_SUPPORT,
1707                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1708                                             CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
1709                                             &hpd);
1710                 /* TV - TV DAC */
1711                 ddc_i2c.valid = false;
1712                 hpd.hpd = RADEON_HPD_NONE;
1713                 radeon_add_legacy_encoder(dev,
1714                                           radeon_get_encoder_enum(dev,
1715                                                                 ATOM_DEVICE_TV1_SUPPORT,
1716                                                                 2),
1717                                           ATOM_DEVICE_TV1_SUPPORT);
1718                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1719                                             DRM_MODE_CONNECTOR_SVIDEO,
1720                                             &ddc_i2c,
1721                                             CONNECTOR_OBJECT_ID_SVIDEO,
1722                                             &hpd);
1723                 break;
1724         case CT_POWERBOOK_INTERNAL:
1725                 DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
1726                          rdev->mode_info.connector_table);
1727                 /* LVDS */
1728                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1729                 hpd.hpd = RADEON_HPD_NONE;
1730                 radeon_add_legacy_encoder(dev,
1731                                           radeon_get_encoder_enum(dev,
1732                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1733                                                                 0),
1734                                           ATOM_DEVICE_LCD1_SUPPORT);
1735                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1736                                             DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1737                                             CONNECTOR_OBJECT_ID_LVDS,
1738                                             &hpd);
1739                 /* DVI-I - primary dac, int tmds */
1740                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1741                 hpd.hpd = RADEON_HPD_1; /* ??? */
1742                 radeon_add_legacy_encoder(dev,
1743                                           radeon_get_encoder_enum(dev,
1744                                                                 ATOM_DEVICE_DFP1_SUPPORT,
1745                                                                 0),
1746                                           ATOM_DEVICE_DFP1_SUPPORT);
1747                 radeon_add_legacy_encoder(dev,
1748                                           radeon_get_encoder_enum(dev,
1749                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1750                                                                 1),
1751                                           ATOM_DEVICE_CRT1_SUPPORT);
1752                 radeon_add_legacy_connector(dev, 1,
1753                                             ATOM_DEVICE_DFP1_SUPPORT |
1754                                             ATOM_DEVICE_CRT1_SUPPORT,
1755                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1756                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1757                                             &hpd);
1758                 /* TV - TV DAC */
1759                 ddc_i2c.valid = false;
1760                 hpd.hpd = RADEON_HPD_NONE;
1761                 radeon_add_legacy_encoder(dev,
1762                                           radeon_get_encoder_enum(dev,
1763                                                                 ATOM_DEVICE_TV1_SUPPORT,
1764                                                                 2),
1765                                           ATOM_DEVICE_TV1_SUPPORT);
1766                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1767                                             DRM_MODE_CONNECTOR_SVIDEO,
1768                                             &ddc_i2c,
1769                                             CONNECTOR_OBJECT_ID_SVIDEO,
1770                                             &hpd);
1771                 break;
1772         case CT_POWERBOOK_VGA:
1773                 DRM_INFO("Connector Table: %d (powerbook vga)\n",
1774                          rdev->mode_info.connector_table);
1775                 /* LVDS */
1776                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1777                 hpd.hpd = RADEON_HPD_NONE;
1778                 radeon_add_legacy_encoder(dev,
1779                                           radeon_get_encoder_enum(dev,
1780                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1781                                                                 0),
1782                                           ATOM_DEVICE_LCD1_SUPPORT);
1783                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1784                                             DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1785                                             CONNECTOR_OBJECT_ID_LVDS,
1786                                             &hpd);
1787                 /* VGA - primary dac */
1788                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1789                 hpd.hpd = RADEON_HPD_NONE;
1790                 radeon_add_legacy_encoder(dev,
1791                                           radeon_get_encoder_enum(dev,
1792                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1793                                                                 1),
1794                                           ATOM_DEVICE_CRT1_SUPPORT);
1795                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
1796                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1797                                             CONNECTOR_OBJECT_ID_VGA,
1798                                             &hpd);
1799                 /* TV - TV DAC */
1800                 ddc_i2c.valid = false;
1801                 hpd.hpd = RADEON_HPD_NONE;
1802                 radeon_add_legacy_encoder(dev,
1803                                           radeon_get_encoder_enum(dev,
1804                                                                 ATOM_DEVICE_TV1_SUPPORT,
1805                                                                 2),
1806                                           ATOM_DEVICE_TV1_SUPPORT);
1807                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1808                                             DRM_MODE_CONNECTOR_SVIDEO,
1809                                             &ddc_i2c,
1810                                             CONNECTOR_OBJECT_ID_SVIDEO,
1811                                             &hpd);
1812                 break;
1813         case CT_MINI_EXTERNAL:
1814                 DRM_INFO("Connector Table: %d (mini external tmds)\n",
1815                          rdev->mode_info.connector_table);
1816                 /* DVI-I - tv dac, ext tmds */
1817                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1818                 hpd.hpd = RADEON_HPD_2; /* ??? */
1819                 radeon_add_legacy_encoder(dev,
1820                                           radeon_get_encoder_enum(dev,
1821                                                                 ATOM_DEVICE_DFP2_SUPPORT,
1822                                                                 0),
1823                                           ATOM_DEVICE_DFP2_SUPPORT);
1824                 radeon_add_legacy_encoder(dev,
1825                                           radeon_get_encoder_enum(dev,
1826                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1827                                                                 2),
1828                                           ATOM_DEVICE_CRT2_SUPPORT);
1829                 /* XXX are any DL? */
1830                 radeon_add_legacy_connector(dev, 0,
1831                                             ATOM_DEVICE_DFP2_SUPPORT |
1832                                             ATOM_DEVICE_CRT2_SUPPORT,
1833                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1834                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1835                                             &hpd);
1836                 /* TV - TV DAC */
1837                 ddc_i2c.valid = false;
1838                 hpd.hpd = RADEON_HPD_NONE;
1839                 radeon_add_legacy_encoder(dev,
1840                                           radeon_get_encoder_enum(dev,
1841                                                                 ATOM_DEVICE_TV1_SUPPORT,
1842                                                                 2),
1843                                           ATOM_DEVICE_TV1_SUPPORT);
1844                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1845                                             DRM_MODE_CONNECTOR_SVIDEO,
1846                                             &ddc_i2c,
1847                                             CONNECTOR_OBJECT_ID_SVIDEO,
1848                                             &hpd);
1849                 break;
1850         case CT_MINI_INTERNAL:
1851                 DRM_INFO("Connector Table: %d (mini internal tmds)\n",
1852                          rdev->mode_info.connector_table);
1853                 /* DVI-I - tv dac, int tmds */
1854                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1855                 hpd.hpd = RADEON_HPD_1; /* ??? */
1856                 radeon_add_legacy_encoder(dev,
1857                                           radeon_get_encoder_enum(dev,
1858                                                                 ATOM_DEVICE_DFP1_SUPPORT,
1859                                                                 0),
1860                                           ATOM_DEVICE_DFP1_SUPPORT);
1861                 radeon_add_legacy_encoder(dev,
1862                                           radeon_get_encoder_enum(dev,
1863                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1864                                                                 2),
1865                                           ATOM_DEVICE_CRT2_SUPPORT);
1866                 radeon_add_legacy_connector(dev, 0,
1867                                             ATOM_DEVICE_DFP1_SUPPORT |
1868                                             ATOM_DEVICE_CRT2_SUPPORT,
1869                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1870                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1871                                             &hpd);
1872                 /* TV - TV DAC */
1873                 ddc_i2c.valid = false;
1874                 hpd.hpd = RADEON_HPD_NONE;
1875                 radeon_add_legacy_encoder(dev,
1876                                           radeon_get_encoder_enum(dev,
1877                                                                 ATOM_DEVICE_TV1_SUPPORT,
1878                                                                 2),
1879                                           ATOM_DEVICE_TV1_SUPPORT);
1880                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1881                                             DRM_MODE_CONNECTOR_SVIDEO,
1882                                             &ddc_i2c,
1883                                             CONNECTOR_OBJECT_ID_SVIDEO,
1884                                             &hpd);
1885                 break;
1886         case CT_IMAC_G5_ISIGHT:
1887                 DRM_INFO("Connector Table: %d (imac g5 isight)\n",
1888                          rdev->mode_info.connector_table);
1889                 /* DVI-D - int tmds */
1890                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1891                 hpd.hpd = RADEON_HPD_1; /* ??? */
1892                 radeon_add_legacy_encoder(dev,
1893                                           radeon_get_encoder_enum(dev,
1894                                                                 ATOM_DEVICE_DFP1_SUPPORT,
1895                                                                 0),
1896                                           ATOM_DEVICE_DFP1_SUPPORT);
1897                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
1898                                             DRM_MODE_CONNECTOR_DVID, &ddc_i2c,
1899                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
1900                                             &hpd);
1901                 /* VGA - tv dac */
1902                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1903                 hpd.hpd = RADEON_HPD_NONE;
1904                 radeon_add_legacy_encoder(dev,
1905                                           radeon_get_encoder_enum(dev,
1906                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1907                                                                 2),
1908                                           ATOM_DEVICE_CRT2_SUPPORT);
1909                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1910                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1911                                             CONNECTOR_OBJECT_ID_VGA,
1912                                             &hpd);
1913                 /* TV - TV DAC */
1914                 ddc_i2c.valid = false;
1915                 hpd.hpd = RADEON_HPD_NONE;
1916                 radeon_add_legacy_encoder(dev,
1917                                           radeon_get_encoder_enum(dev,
1918                                                                 ATOM_DEVICE_TV1_SUPPORT,
1919                                                                 2),
1920                                           ATOM_DEVICE_TV1_SUPPORT);
1921                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1922                                             DRM_MODE_CONNECTOR_SVIDEO,
1923                                             &ddc_i2c,
1924                                             CONNECTOR_OBJECT_ID_SVIDEO,
1925                                             &hpd);
1926                 break;
1927         case CT_EMAC:
1928                 DRM_INFO("Connector Table: %d (emac)\n",
1929                          rdev->mode_info.connector_table);
1930                 /* VGA - primary dac */
1931                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1932                 hpd.hpd = RADEON_HPD_NONE;
1933                 radeon_add_legacy_encoder(dev,
1934                                           radeon_get_encoder_enum(dev,
1935                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1936                                                                 1),
1937                                           ATOM_DEVICE_CRT1_SUPPORT);
1938                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1939                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1940                                             CONNECTOR_OBJECT_ID_VGA,
1941                                             &hpd);
1942                 /* VGA - tv dac */
1943                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1944                 hpd.hpd = RADEON_HPD_NONE;
1945                 radeon_add_legacy_encoder(dev,
1946                                           radeon_get_encoder_enum(dev,
1947                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1948                                                                 2),
1949                                           ATOM_DEVICE_CRT2_SUPPORT);
1950                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1951                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1952                                             CONNECTOR_OBJECT_ID_VGA,
1953                                             &hpd);
1954                 /* TV - TV DAC */
1955                 ddc_i2c.valid = false;
1956                 hpd.hpd = RADEON_HPD_NONE;
1957                 radeon_add_legacy_encoder(dev,
1958                                           radeon_get_encoder_enum(dev,
1959                                                                 ATOM_DEVICE_TV1_SUPPORT,
1960                                                                 2),
1961                                           ATOM_DEVICE_TV1_SUPPORT);
1962                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1963                                             DRM_MODE_CONNECTOR_SVIDEO,
1964                                             &ddc_i2c,
1965                                             CONNECTOR_OBJECT_ID_SVIDEO,
1966                                             &hpd);
1967                 break;
1968         case CT_RN50_POWER:
1969                 DRM_INFO("Connector Table: %d (rn50-power)\n",
1970                          rdev->mode_info.connector_table);
1971                 /* VGA - primary dac */
1972                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1973                 hpd.hpd = RADEON_HPD_NONE;
1974                 radeon_add_legacy_encoder(dev,
1975                                           radeon_get_encoder_enum(dev,
1976                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1977                                                                 1),
1978                                           ATOM_DEVICE_CRT1_SUPPORT);
1979                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1980                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1981                                             CONNECTOR_OBJECT_ID_VGA,
1982                                             &hpd);
1983                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1984                 hpd.hpd = RADEON_HPD_NONE;
1985                 radeon_add_legacy_encoder(dev,
1986                                           radeon_get_encoder_enum(dev,
1987                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1988                                                                 2),
1989                                           ATOM_DEVICE_CRT2_SUPPORT);
1990                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1991                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1992                                             CONNECTOR_OBJECT_ID_VGA,
1993                                             &hpd);
1994                 break;
1995         case CT_MAC_X800:
1996                 DRM_INFO("Connector Table: %d (mac x800)\n",
1997                          rdev->mode_info.connector_table);
1998                 /* DVI - primary dac, internal tmds */
1999                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2000                 hpd.hpd = RADEON_HPD_1; /* ??? */
2001                 radeon_add_legacy_encoder(dev,
2002                                           radeon_get_encoder_enum(dev,
2003                                                                   ATOM_DEVICE_DFP1_SUPPORT,
2004                                                                   0),
2005                                           ATOM_DEVICE_DFP1_SUPPORT);
2006                 radeon_add_legacy_encoder(dev,
2007                                           radeon_get_encoder_enum(dev,
2008                                                                   ATOM_DEVICE_CRT1_SUPPORT,
2009                                                                   1),
2010                                           ATOM_DEVICE_CRT1_SUPPORT);
2011                 radeon_add_legacy_connector(dev, 0,
2012                                             ATOM_DEVICE_DFP1_SUPPORT |
2013                                             ATOM_DEVICE_CRT1_SUPPORT,
2014                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2015                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2016                                             &hpd);
2017                 /* DVI - tv dac, dvo */
2018                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2019                 hpd.hpd = RADEON_HPD_2; /* ??? */
2020                 radeon_add_legacy_encoder(dev,
2021                                           radeon_get_encoder_enum(dev,
2022                                                                   ATOM_DEVICE_DFP2_SUPPORT,
2023                                                                   0),
2024                                           ATOM_DEVICE_DFP2_SUPPORT);
2025                 radeon_add_legacy_encoder(dev,
2026                                           radeon_get_encoder_enum(dev,
2027                                                                   ATOM_DEVICE_CRT2_SUPPORT,
2028                                                                   2),
2029                                           ATOM_DEVICE_CRT2_SUPPORT);
2030                 radeon_add_legacy_connector(dev, 1,
2031                                             ATOM_DEVICE_DFP2_SUPPORT |
2032                                             ATOM_DEVICE_CRT2_SUPPORT,
2033                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2034                                             CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
2035                                             &hpd);
2036                 break;
2037         case CT_MAC_G5_9600:
2038                 DRM_INFO("Connector Table: %d (mac g5 9600)\n",
2039                          rdev->mode_info.connector_table);
2040                 /* DVI - tv dac, dvo */
2041                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2042                 hpd.hpd = RADEON_HPD_1; /* ??? */
2043                 radeon_add_legacy_encoder(dev,
2044                                           radeon_get_encoder_enum(dev,
2045                                                                   ATOM_DEVICE_DFP2_SUPPORT,
2046                                                                   0),
2047                                           ATOM_DEVICE_DFP2_SUPPORT);
2048                 radeon_add_legacy_encoder(dev,
2049                                           radeon_get_encoder_enum(dev,
2050                                                                   ATOM_DEVICE_CRT2_SUPPORT,
2051                                                                   2),
2052                                           ATOM_DEVICE_CRT2_SUPPORT);
2053                 radeon_add_legacy_connector(dev, 0,
2054                                             ATOM_DEVICE_DFP2_SUPPORT |
2055                                             ATOM_DEVICE_CRT2_SUPPORT,
2056                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2057                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2058                                             &hpd);
2059                 /* ADC - primary dac, internal tmds */
2060                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2061                 hpd.hpd = RADEON_HPD_2; /* ??? */
2062                 radeon_add_legacy_encoder(dev,
2063                                           radeon_get_encoder_enum(dev,
2064                                                                   ATOM_DEVICE_DFP1_SUPPORT,
2065                                                                   0),
2066                                           ATOM_DEVICE_DFP1_SUPPORT);
2067                 radeon_add_legacy_encoder(dev,
2068                                           radeon_get_encoder_enum(dev,
2069                                                                   ATOM_DEVICE_CRT1_SUPPORT,
2070                                                                   1),
2071                                           ATOM_DEVICE_CRT1_SUPPORT);
2072                 radeon_add_legacy_connector(dev, 1,
2073                                             ATOM_DEVICE_DFP1_SUPPORT |
2074                                             ATOM_DEVICE_CRT1_SUPPORT,
2075                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2076                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2077                                             &hpd);
2078                 /* TV - TV DAC */
2079                 ddc_i2c.valid = false;
2080                 hpd.hpd = RADEON_HPD_NONE;
2081                 radeon_add_legacy_encoder(dev,
2082                                           radeon_get_encoder_enum(dev,
2083                                                                 ATOM_DEVICE_TV1_SUPPORT,
2084                                                                 2),
2085                                           ATOM_DEVICE_TV1_SUPPORT);
2086                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2087                                             DRM_MODE_CONNECTOR_SVIDEO,
2088                                             &ddc_i2c,
2089                                             CONNECTOR_OBJECT_ID_SVIDEO,
2090                                             &hpd);
2091                 break;
2092         case CT_SAM440EP:
2093                 DRM_INFO("Connector Table: %d (SAM440ep embedded board)\n",
2094                          rdev->mode_info.connector_table);
2095                 /* LVDS */
2096                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
2097                 hpd.hpd = RADEON_HPD_NONE;
2098                 radeon_add_legacy_encoder(dev,
2099                                           radeon_get_encoder_enum(dev,
2100                                                                 ATOM_DEVICE_LCD1_SUPPORT,
2101                                                                 0),
2102                                           ATOM_DEVICE_LCD1_SUPPORT);
2103                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
2104                                             DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
2105                                             CONNECTOR_OBJECT_ID_LVDS,
2106                                             &hpd);
2107                 /* DVI-I - secondary dac, int tmds */
2108                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2109                 hpd.hpd = RADEON_HPD_1; /* ??? */
2110                 radeon_add_legacy_encoder(dev,
2111                                           radeon_get_encoder_enum(dev,
2112                                                                 ATOM_DEVICE_DFP1_SUPPORT,
2113                                                                 0),
2114                                           ATOM_DEVICE_DFP1_SUPPORT);
2115                 radeon_add_legacy_encoder(dev,
2116                                           radeon_get_encoder_enum(dev,
2117                                                                 ATOM_DEVICE_CRT2_SUPPORT,
2118                                                                 2),
2119                                           ATOM_DEVICE_CRT2_SUPPORT);
2120                 radeon_add_legacy_connector(dev, 1,
2121                                             ATOM_DEVICE_DFP1_SUPPORT |
2122                                             ATOM_DEVICE_CRT2_SUPPORT,
2123                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2124                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2125                                             &hpd);
2126                 /* VGA - primary dac */
2127                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2128                 hpd.hpd = RADEON_HPD_NONE;
2129                 radeon_add_legacy_encoder(dev,
2130                                           radeon_get_encoder_enum(dev,
2131                                                                 ATOM_DEVICE_CRT1_SUPPORT,
2132                                                                 1),
2133                                           ATOM_DEVICE_CRT1_SUPPORT);
2134                 radeon_add_legacy_connector(dev, 2,
2135                                             ATOM_DEVICE_CRT1_SUPPORT,
2136                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2137                                             CONNECTOR_OBJECT_ID_VGA,
2138                                             &hpd);
2139                 /* TV - TV DAC */
2140                 ddc_i2c.valid = false;
2141                 hpd.hpd = RADEON_HPD_NONE;
2142                 radeon_add_legacy_encoder(dev,
2143                                           radeon_get_encoder_enum(dev,
2144                                                                 ATOM_DEVICE_TV1_SUPPORT,
2145                                                                 2),
2146                                           ATOM_DEVICE_TV1_SUPPORT);
2147                 radeon_add_legacy_connector(dev, 3, ATOM_DEVICE_TV1_SUPPORT,
2148                                             DRM_MODE_CONNECTOR_SVIDEO,
2149                                             &ddc_i2c,
2150                                             CONNECTOR_OBJECT_ID_SVIDEO,
2151                                             &hpd);
2152                 break;
2153         case CT_MAC_G4_SILVER:
2154                 DRM_INFO("Connector Table: %d (mac g4 silver)\n",
2155                          rdev->mode_info.connector_table);
2156                 /* DVI-I - tv dac, int tmds */
2157                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2158                 hpd.hpd = RADEON_HPD_1; /* ??? */
2159                 radeon_add_legacy_encoder(dev,
2160                                           radeon_get_encoder_enum(dev,
2161                                                                 ATOM_DEVICE_DFP1_SUPPORT,
2162                                                                 0),
2163                                           ATOM_DEVICE_DFP1_SUPPORT);
2164                 radeon_add_legacy_encoder(dev,
2165                                           radeon_get_encoder_enum(dev,
2166                                                                 ATOM_DEVICE_CRT2_SUPPORT,
2167                                                                 2),
2168                                           ATOM_DEVICE_CRT2_SUPPORT);
2169                 radeon_add_legacy_connector(dev, 0,
2170                                             ATOM_DEVICE_DFP1_SUPPORT |
2171                                             ATOM_DEVICE_CRT2_SUPPORT,
2172                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2173                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2174                                             &hpd);
2175                 /* VGA - primary dac */
2176                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2177                 hpd.hpd = RADEON_HPD_NONE;
2178                 radeon_add_legacy_encoder(dev,
2179                                           radeon_get_encoder_enum(dev,
2180                                                                 ATOM_DEVICE_CRT1_SUPPORT,
2181                                                                 1),
2182                                           ATOM_DEVICE_CRT1_SUPPORT);
2183                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
2184                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2185                                             CONNECTOR_OBJECT_ID_VGA,
2186                                             &hpd);
2187                 /* TV - TV DAC */
2188                 ddc_i2c.valid = false;
2189                 hpd.hpd = RADEON_HPD_NONE;
2190                 radeon_add_legacy_encoder(dev,
2191                                           radeon_get_encoder_enum(dev,
2192                                                                 ATOM_DEVICE_TV1_SUPPORT,
2193                                                                 2),
2194                                           ATOM_DEVICE_TV1_SUPPORT);
2195                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2196                                             DRM_MODE_CONNECTOR_SVIDEO,
2197                                             &ddc_i2c,
2198                                             CONNECTOR_OBJECT_ID_SVIDEO,
2199                                             &hpd);
2200                 break;
2201         default:
2202                 DRM_INFO("Connector table: %d (invalid)\n",
2203                          rdev->mode_info.connector_table);
2204                 return false;
2205         }
2206
2207         radeon_link_encoder_connector(dev);
2208
2209         return true;
2210 }
2211
2212 static bool radeon_apply_legacy_quirks(struct drm_device *dev,
2213                                        int bios_index,
2214                                        enum radeon_combios_connector
2215                                        *legacy_connector,
2216                                        struct radeon_i2c_bus_rec *ddc_i2c,
2217                                        struct radeon_hpd *hpd)
2218 {
2219
2220         /* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
2221            one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
2222         if (dev->pci_device == 0x515e &&
2223             dev->pci_subvendor == 0x1014) {
2224                 if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
2225                     ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
2226                         return false;
2227         }
2228
2229         /* X300 card with extra non-existent DVI port */
2230         if (dev->pci_device == 0x5B60 &&
2231             dev->pci_subvendor == 0x17af &&
2232             dev->pci_subdevice == 0x201e && bios_index == 2) {
2233                 if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
2234                         return false;
2235         }
2236
2237         return true;
2238 }
2239
2240 static bool radeon_apply_legacy_tv_quirks(struct drm_device *dev)
2241 {
2242         /* Acer 5102 has non-existent TV port */
2243         if (dev->pci_device == 0x5975 &&
2244             dev->pci_subvendor == 0x1025 &&
2245             dev->pci_subdevice == 0x009f)
2246                 return false;
2247
2248         /* HP dc5750 has non-existent TV port */
2249         if (dev->pci_device == 0x5974 &&
2250             dev->pci_subvendor == 0x103c &&
2251             dev->pci_subdevice == 0x280a)
2252                 return false;
2253
2254         /* MSI S270 has non-existent TV port */
2255         if (dev->pci_device == 0x5955 &&
2256             dev->pci_subvendor == 0x1462 &&
2257             dev->pci_subdevice == 0x0131)
2258                 return false;
2259
2260         return true;
2261 }
2262
2263 static uint16_t combios_check_dl_dvi(struct drm_device *dev, int is_dvi_d)
2264 {
2265         struct radeon_device *rdev = dev->dev_private;
2266         uint32_t ext_tmds_info;
2267
2268         if (rdev->flags & RADEON_IS_IGP) {
2269                 if (is_dvi_d)
2270                         return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2271                 else
2272                         return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2273         }
2274         ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2275         if (ext_tmds_info) {
2276                 uint8_t rev = RBIOS8(ext_tmds_info);
2277                 uint8_t flags = RBIOS8(ext_tmds_info + 4 + 5);
2278                 if (rev >= 3) {
2279                         if (is_dvi_d)
2280                                 return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2281                         else
2282                                 return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2283                 } else {
2284                         if (flags & 1) {
2285                                 if (is_dvi_d)
2286                                         return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2287                                 else
2288                                         return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2289                         }
2290                 }
2291         }
2292         if (is_dvi_d)
2293                 return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2294         else
2295                 return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2296 }
2297
2298 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
2299 {
2300         struct radeon_device *rdev = dev->dev_private;
2301         uint32_t conn_info, entry, devices;
2302         uint16_t tmp, connector_object_id;
2303         enum radeon_combios_ddc ddc_type;
2304         enum radeon_combios_connector connector;
2305         int i = 0;
2306         struct radeon_i2c_bus_rec ddc_i2c;
2307         struct radeon_hpd hpd;
2308
2309         conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
2310         if (conn_info) {
2311                 for (i = 0; i < 4; i++) {
2312                         entry = conn_info + 2 + i * 2;
2313
2314                         if (!RBIOS16(entry))
2315                                 break;
2316
2317                         tmp = RBIOS16(entry);
2318
2319                         connector = (tmp >> 12) & 0xf;
2320
2321                         ddc_type = (tmp >> 8) & 0xf;
2322                         if (ddc_type == 5)
2323                                 ddc_i2c = radeon_combios_get_i2c_info_from_table(rdev);
2324                         else
2325                                 ddc_i2c = combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2326
2327                         switch (connector) {
2328                         case CONNECTOR_PROPRIETARY_LEGACY:
2329                         case CONNECTOR_DVI_I_LEGACY:
2330                         case CONNECTOR_DVI_D_LEGACY:
2331                                 if ((tmp >> 4) & 0x1)
2332                                         hpd.hpd = RADEON_HPD_2;
2333                                 else
2334                                         hpd.hpd = RADEON_HPD_1;
2335                                 break;
2336                         default:
2337                                 hpd.hpd = RADEON_HPD_NONE;
2338                                 break;
2339                         }
2340
2341                         if (!radeon_apply_legacy_quirks(dev, i, &connector,
2342                                                         &ddc_i2c, &hpd))
2343                                 continue;
2344
2345                         switch (connector) {
2346                         case CONNECTOR_PROPRIETARY_LEGACY:
2347                                 if ((tmp >> 4) & 0x1)
2348                                         devices = ATOM_DEVICE_DFP2_SUPPORT;
2349                                 else
2350                                         devices = ATOM_DEVICE_DFP1_SUPPORT;
2351                                 radeon_add_legacy_encoder(dev,
2352                                                           radeon_get_encoder_enum
2353                                                           (dev, devices, 0),
2354                                                           devices);
2355                                 radeon_add_legacy_connector(dev, i, devices,
2356                                                             legacy_connector_convert
2357                                                             [connector],
2358                                                             &ddc_i2c,
2359                                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
2360                                                             &hpd);
2361                                 break;
2362                         case CONNECTOR_CRT_LEGACY:
2363                                 if (tmp & 0x1) {
2364                                         devices = ATOM_DEVICE_CRT2_SUPPORT;
2365                                         radeon_add_legacy_encoder(dev,
2366                                                                   radeon_get_encoder_enum
2367                                                                   (dev,
2368                                                                    ATOM_DEVICE_CRT2_SUPPORT,
2369                                                                    2),
2370                                                                   ATOM_DEVICE_CRT2_SUPPORT);
2371                                 } else {
2372                                         devices = ATOM_DEVICE_CRT1_SUPPORT;
2373                                         radeon_add_legacy_encoder(dev,
2374                                                                   radeon_get_encoder_enum
2375                                                                   (dev,
2376                                                                    ATOM_DEVICE_CRT1_SUPPORT,
2377                                                                    1),
2378                                                                   ATOM_DEVICE_CRT1_SUPPORT);
2379                                 }
2380                                 radeon_add_legacy_connector(dev,
2381                                                             i,
2382                                                             devices,
2383                                                             legacy_connector_convert
2384                                                             [connector],
2385                                                             &ddc_i2c,
2386                                                             CONNECTOR_OBJECT_ID_VGA,
2387                                                             &hpd);
2388                                 break;
2389                         case CONNECTOR_DVI_I_LEGACY:
2390                                 devices = 0;
2391                                 if (tmp & 0x1) {
2392                                         devices |= ATOM_DEVICE_CRT2_SUPPORT;
2393                                         radeon_add_legacy_encoder(dev,
2394                                                                   radeon_get_encoder_enum
2395                                                                   (dev,
2396                                                                    ATOM_DEVICE_CRT2_SUPPORT,
2397                                                                    2),
2398                                                                   ATOM_DEVICE_CRT2_SUPPORT);
2399                                 } else {
2400                                         devices |= ATOM_DEVICE_CRT1_SUPPORT;
2401                                         radeon_add_legacy_encoder(dev,
2402                                                                   radeon_get_encoder_enum
2403                                                                   (dev,
2404                                                                    ATOM_DEVICE_CRT1_SUPPORT,
2405                                                                    1),
2406                                                                   ATOM_DEVICE_CRT1_SUPPORT);
2407                                 }
2408                                 /* RV100 board with external TDMS bit mis-set.
2409                                  * Actually uses internal TMDS, clear the bit.
2410                                  */
2411                                 if (dev->pci_device == 0x5159 &&
2412                                     dev->pci_subvendor == 0x1014 &&
2413                                     dev->pci_subdevice == 0x029A) {
2414                                         tmp &= ~(1 << 4);
2415                                 }
2416                                 if ((tmp >> 4) & 0x1) {
2417                                         devices |= ATOM_DEVICE_DFP2_SUPPORT;
2418                                         radeon_add_legacy_encoder(dev,
2419                                                                   radeon_get_encoder_enum
2420                                                                   (dev,
2421                                                                    ATOM_DEVICE_DFP2_SUPPORT,
2422                                                                    0),
2423                                                                   ATOM_DEVICE_DFP2_SUPPORT);
2424                                         connector_object_id = combios_check_dl_dvi(dev, 0);
2425                                 } else {
2426                                         devices |= ATOM_DEVICE_DFP1_SUPPORT;
2427                                         radeon_add_legacy_encoder(dev,
2428                                                                   radeon_get_encoder_enum
2429                                                                   (dev,
2430                                                                    ATOM_DEVICE_DFP1_SUPPORT,
2431                                                                    0),
2432                                                                   ATOM_DEVICE_DFP1_SUPPORT);
2433                                         connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2434                                 }
2435                                 radeon_add_legacy_connector(dev,
2436                                                             i,
2437                                                             devices,
2438                                                             legacy_connector_convert
2439                                                             [connector],
2440                                                             &ddc_i2c,
2441                                                             connector_object_id,
2442                                                             &hpd);
2443                                 break;
2444                         case CONNECTOR_DVI_D_LEGACY:
2445                                 if ((tmp >> 4) & 0x1) {
2446                                         devices = ATOM_DEVICE_DFP2_SUPPORT;
2447                                         connector_object_id = combios_check_dl_dvi(dev, 1);
2448                                 } else {
2449                                         devices = ATOM_DEVICE_DFP1_SUPPORT;
2450                                         connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2451                                 }
2452                                 radeon_add_legacy_encoder(dev,
2453                                                           radeon_get_encoder_enum
2454                                                           (dev, devices, 0),
2455                                                           devices);
2456                                 radeon_add_legacy_connector(dev, i, devices,
2457                                                             legacy_connector_convert
2458                                                             [connector],
2459                                                             &ddc_i2c,
2460                                                             connector_object_id,
2461                                                             &hpd);
2462                                 break;
2463                         case CONNECTOR_CTV_LEGACY:
2464                         case CONNECTOR_STV_LEGACY:
2465                                 radeon_add_legacy_encoder(dev,
2466                                                           radeon_get_encoder_enum
2467                                                           (dev,
2468                                                            ATOM_DEVICE_TV1_SUPPORT,
2469                                                            2),
2470                                                           ATOM_DEVICE_TV1_SUPPORT);
2471                                 radeon_add_legacy_connector(dev, i,
2472                                                             ATOM_DEVICE_TV1_SUPPORT,
2473                                                             legacy_connector_convert
2474                                                             [connector],
2475                                                             &ddc_i2c,
2476                                                             CONNECTOR_OBJECT_ID_SVIDEO,
2477                                                             &hpd);
2478                                 break;
2479                         default:
2480                                 DRM_ERROR("Unknown connector type: %d\n",
2481                                           connector);
2482                                 continue;
2483                         }
2484
2485                 }
2486         } else {
2487                 uint16_t tmds_info =
2488                     combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
2489                 if (tmds_info) {
2490                         DRM_DEBUG_KMS("Found DFP table, assuming DVI connector\n");
2491
2492                         radeon_add_legacy_encoder(dev,
2493                                                   radeon_get_encoder_enum(dev,
2494                                                                         ATOM_DEVICE_CRT1_SUPPORT,
2495                                                                         1),
2496                                                   ATOM_DEVICE_CRT1_SUPPORT);
2497                         radeon_add_legacy_encoder(dev,
2498                                                   radeon_get_encoder_enum(dev,
2499                                                                         ATOM_DEVICE_DFP1_SUPPORT,
2500                                                                         0),
2501                                                   ATOM_DEVICE_DFP1_SUPPORT);
2502
2503                         ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2504                         hpd.hpd = RADEON_HPD_1;
2505                         radeon_add_legacy_connector(dev,
2506                                                     0,
2507                                                     ATOM_DEVICE_CRT1_SUPPORT |
2508                                                     ATOM_DEVICE_DFP1_SUPPORT,
2509                                                     DRM_MODE_CONNECTOR_DVII,
2510                                                     &ddc_i2c,
2511                                                     CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2512                                                     &hpd);
2513                 } else {
2514                         uint16_t crt_info =
2515                                 combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
2516                         DRM_DEBUG_KMS("Found CRT table, assuming VGA connector\n");
2517                         if (crt_info) {
2518                                 radeon_add_legacy_encoder(dev,
2519                                                           radeon_get_encoder_enum(dev,
2520                                                                                 ATOM_DEVICE_CRT1_SUPPORT,
2521                                                                                 1),
2522                                                           ATOM_DEVICE_CRT1_SUPPORT);
2523                                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2524                                 hpd.hpd = RADEON_HPD_NONE;
2525                                 radeon_add_legacy_connector(dev,
2526                                                             0,
2527                                                             ATOM_DEVICE_CRT1_SUPPORT,
2528                                                             DRM_MODE_CONNECTOR_VGA,
2529                                                             &ddc_i2c,
2530                                                             CONNECTOR_OBJECT_ID_VGA,
2531                                                             &hpd);
2532                         } else {
2533                                 DRM_DEBUG_KMS("No connector info found\n");
2534                                 return false;
2535                         }
2536                 }
2537         }
2538
2539         if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
2540                 uint16_t lcd_info =
2541                     combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
2542                 if (lcd_info) {
2543                         uint16_t lcd_ddc_info =
2544                             combios_get_table_offset(dev,
2545                                                      COMBIOS_LCD_DDC_INFO_TABLE);
2546
2547                         radeon_add_legacy_encoder(dev,
2548                                                   radeon_get_encoder_enum(dev,
2549                                                                         ATOM_DEVICE_LCD1_SUPPORT,
2550                                                                         0),
2551                                                   ATOM_DEVICE_LCD1_SUPPORT);
2552
2553                         if (lcd_ddc_info) {
2554                                 ddc_type = RBIOS8(lcd_ddc_info + 2);
2555                                 switch (ddc_type) {
2556                                 case DDC_LCD:
2557                                         ddc_i2c =
2558                                                 combios_setup_i2c_bus(rdev,
2559                                                                       DDC_LCD,
2560                                                                       RBIOS32(lcd_ddc_info + 3),
2561                                                                       RBIOS32(lcd_ddc_info + 7));
2562                                         radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2563                                         break;
2564                                 case DDC_GPIO:
2565                                         ddc_i2c =
2566                                                 combios_setup_i2c_bus(rdev,
2567                                                                       DDC_GPIO,
2568                                                                       RBIOS32(lcd_ddc_info + 3),
2569                                                                       RBIOS32(lcd_ddc_info + 7));
2570                                         radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2571                                         break;
2572                                 default:
2573                                         ddc_i2c =
2574                                                 combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2575                                         break;
2576                                 }
2577                                 DRM_DEBUG_KMS("LCD DDC Info Table found!\n");
2578                         } else
2579                                 ddc_i2c.valid = false;
2580
2581                         hpd.hpd = RADEON_HPD_NONE;
2582                         radeon_add_legacy_connector(dev,
2583                                                     5,
2584                                                     ATOM_DEVICE_LCD1_SUPPORT,
2585                                                     DRM_MODE_CONNECTOR_LVDS,
2586                                                     &ddc_i2c,
2587                                                     CONNECTOR_OBJECT_ID_LVDS,
2588                                                     &hpd);
2589                 }
2590         }
2591
2592         /* check TV table */
2593         if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
2594                 uint32_t tv_info =
2595                     combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
2596                 if (tv_info) {
2597                         if (RBIOS8(tv_info + 6) == 'T') {
2598                                 if (radeon_apply_legacy_tv_quirks(dev)) {
2599                                         hpd.hpd = RADEON_HPD_NONE;
2600                                         ddc_i2c.valid = false;
2601                                         radeon_add_legacy_encoder(dev,
2602                                                                   radeon_get_encoder_enum
2603                                                                   (dev,
2604                                                                    ATOM_DEVICE_TV1_SUPPORT,
2605                                                                    2),
2606                                                                   ATOM_DEVICE_TV1_SUPPORT);
2607                                         radeon_add_legacy_connector(dev, 6,
2608                                                                     ATOM_DEVICE_TV1_SUPPORT,
2609                                                                     DRM_MODE_CONNECTOR_SVIDEO,
2610                                                                     &ddc_i2c,
2611                                                                     CONNECTOR_OBJECT_ID_SVIDEO,
2612                                                                     &hpd);
2613                                 }
2614                         }
2615                 }
2616         }
2617
2618         radeon_link_encoder_connector(dev);
2619
2620         return true;
2621 }
2622
2623 static const char *thermal_controller_names[] = {
2624         "NONE",
2625         "lm63",
2626         "adm1032",
2627 };
2628
2629 void radeon_combios_get_power_modes(struct radeon_device *rdev)
2630 {
2631         struct drm_device *dev = rdev->ddev;
2632         u16 offset, misc, misc2 = 0;
2633         u8 rev, blocks, tmp;
2634         int state_index = 0;
2635         struct radeon_i2c_bus_rec i2c_bus;
2636
2637         rdev->pm.default_power_state_index = -1;
2638
2639         /* allocate 2 power states */
2640         rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) * 2, GFP_KERNEL);
2641         if (rdev->pm.power_state) {
2642                 /* allocate 1 clock mode per state */
2643                 rdev->pm.power_state[0].clock_info =
2644                         kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
2645                 rdev->pm.power_state[1].clock_info =
2646                         kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
2647                 if (!rdev->pm.power_state[0].clock_info ||
2648                     !rdev->pm.power_state[1].clock_info)
2649                         goto pm_failed;
2650         } else
2651                 goto pm_failed;
2652
2653         /* check for a thermal chip */
2654         offset = combios_get_table_offset(dev, COMBIOS_OVERDRIVE_INFO_TABLE);
2655         if (offset) {
2656                 u8 thermal_controller = 0, gpio = 0, i2c_addr = 0, clk_bit = 0, data_bit = 0;
2657
2658                 rev = RBIOS8(offset);
2659
2660                 if (rev == 0) {
2661                         thermal_controller = RBIOS8(offset + 3);
2662                         gpio = RBIOS8(offset + 4) & 0x3f;
2663                         i2c_addr = RBIOS8(offset + 5);
2664                 } else if (rev == 1) {
2665                         thermal_controller = RBIOS8(offset + 4);
2666                         gpio = RBIOS8(offset + 5) & 0x3f;
2667                         i2c_addr = RBIOS8(offset + 6);
2668                 } else if (rev == 2) {
2669                         thermal_controller = RBIOS8(offset + 4);
2670                         gpio = RBIOS8(offset + 5) & 0x3f;
2671                         i2c_addr = RBIOS8(offset + 6);
2672                         clk_bit = RBIOS8(offset + 0xa);
2673                         data_bit = RBIOS8(offset + 0xb);
2674                 }
2675                 if ((thermal_controller > 0) && (thermal_controller < 3)) {
2676                         DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2677                                  thermal_controller_names[thermal_controller],
2678                                  i2c_addr >> 1);
2679                         if (gpio == DDC_LCD) {
2680                                 /* MM i2c */
2681                                 i2c_bus.valid = true;
2682                                 i2c_bus.hw_capable = true;
2683                                 i2c_bus.mm_i2c = true;
2684                                 i2c_bus.i2c_id = 0xa0;
2685                         } else if (gpio == DDC_GPIO)
2686                                 i2c_bus = combios_setup_i2c_bus(rdev, gpio, 1 << clk_bit, 1 << data_bit);
2687                         else
2688                                 i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
2689                         rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2690                         if (rdev->pm.i2c_bus) {
2691 #ifdef DUMBBELL_WIP
2692                                 struct i2c_board_info info = { };
2693                                 const char *name = thermal_controller_names[thermal_controller];
2694                                 info.addr = i2c_addr >> 1;
2695                                 strlcpy(info.type, name, sizeof(info.type));
2696                                 i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
2697 #endif /* DUMBBELL_WIP */
2698                         }
2699                 }
2700         } else {
2701                 /* boards with a thermal chip, but no overdrive table */
2702
2703                 /* Asus 9600xt has an f75375 on the monid bus */
2704                 if ((dev->pci_device == 0x4152) &&
2705                     (dev->pci_subvendor == 0x1043) &&
2706                     (dev->pci_subdevice == 0xc002)) {
2707                         i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2708                         rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2709                         if (rdev->pm.i2c_bus) {
2710 #ifdef DUMBBELL_WIP
2711                                 struct i2c_board_info info = { };
2712                                 const char *name = "f75375";
2713                                 info.addr = 0x28;
2714                                 strlcpy(info.type, name, sizeof(info.type));
2715                                 i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
2716                                 DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2717                                          name, info.addr);
2718 #endif /* DUMBBELL_WIP */
2719                         }
2720                 }
2721         }
2722
2723         if (rdev->flags & RADEON_IS_MOBILITY) {
2724                 offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
2725                 if (offset) {
2726                         rev = RBIOS8(offset);
2727                         blocks = RBIOS8(offset + 0x2);
2728                         /* power mode 0 tends to be the only valid one */
2729                         rdev->pm.power_state[state_index].num_clock_modes = 1;
2730                         rdev->pm.power_state[state_index].clock_info[0].mclk = RBIOS32(offset + 0x5 + 0x2);
2731                         rdev->pm.power_state[state_index].clock_info[0].sclk = RBIOS32(offset + 0x5 + 0x6);
2732                         if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2733                             (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2734                                 goto default_mode;
2735                         rdev->pm.power_state[state_index].type =
2736                                 POWER_STATE_TYPE_BATTERY;
2737                         misc = RBIOS16(offset + 0x5 + 0x0);
2738                         if (rev > 4)
2739                                 misc2 = RBIOS16(offset + 0x5 + 0xe);
2740                         rdev->pm.power_state[state_index].misc = misc;
2741                         rdev->pm.power_state[state_index].misc2 = misc2;
2742                         if (misc & 0x4) {
2743                                 rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
2744                                 if (misc & 0x8)
2745                                         rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2746                                                 true;
2747                                 else
2748                                         rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2749                                                 false;
2750                                 rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = true;
2751                                 if (rev < 6) {
2752                                         rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2753                                                 RBIOS16(offset + 0x5 + 0xb) * 4;
2754                                         tmp = RBIOS8(offset + 0x5 + 0xd);
2755                                         rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2756                                 } else {
2757                                         u8 entries = RBIOS8(offset + 0x5 + 0xb);
2758                                         u16 voltage_table_offset = RBIOS16(offset + 0x5 + 0xc);
2759                                         if (entries && voltage_table_offset) {
2760                                                 rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2761                                                         RBIOS16(voltage_table_offset) * 4;
2762                                                 tmp = RBIOS8(voltage_table_offset + 0x2);
2763                                                 rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2764                                         } else
2765                                                 rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = false;
2766                                 }
2767                                 switch ((misc2 & 0x700) >> 8) {
2768                                 case 0:
2769                                 default:
2770                                         rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 0;
2771                                         break;
2772                                 case 1:
2773                                         rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 33;
2774                                         break;
2775                                 case 2:
2776                                         rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 66;
2777                                         break;
2778                                 case 3:
2779                                         rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 99;
2780                                         break;
2781                                 case 4:
2782                                         rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 132;
2783                                         break;
2784                                 }
2785                         } else
2786                                 rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2787                         if (rev > 6)
2788                                 rdev->pm.power_state[state_index].pcie_lanes =
2789                                         RBIOS8(offset + 0x5 + 0x10);
2790                         rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2791                         state_index++;
2792                 } else {
2793                         /* XXX figure out some good default low power mode for mobility cards w/out power tables */
2794                 }
2795         } else {
2796                 /* XXX figure out some good default low power mode for desktop cards */
2797         }
2798
2799 default_mode:
2800         /* add the default mode */
2801         rdev->pm.power_state[state_index].type =
2802                 POWER_STATE_TYPE_DEFAULT;
2803         rdev->pm.power_state[state_index].num_clock_modes = 1;
2804         rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
2805         rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
2806         rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
2807         if ((state_index > 0) &&
2808             (rdev->pm.power_state[0].clock_info[0].voltage.type == VOLTAGE_GPIO))
2809                 rdev->pm.power_state[state_index].clock_info[0].voltage =
2810                         rdev->pm.power_state[0].clock_info[0].voltage;
2811         else
2812                 rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2813         rdev->pm.power_state[state_index].pcie_lanes = 16;
2814         rdev->pm.power_state[state_index].flags = 0;
2815         rdev->pm.default_power_state_index = state_index;
2816         rdev->pm.num_power_states = state_index + 1;
2817
2818         rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2819         rdev->pm.current_clock_mode_index = 0;
2820         return;
2821
2822 pm_failed:
2823         rdev->pm.default_power_state_index = state_index;
2824         rdev->pm.num_power_states = 0;
2825
2826         rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2827         rdev->pm.current_clock_mode_index = 0;
2828 }
2829
2830 void radeon_external_tmds_setup(struct drm_encoder *encoder)
2831 {
2832         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2833         struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2834
2835         if (!tmds)
2836                 return;
2837
2838         switch (tmds->dvo_chip) {
2839         case DVO_SIL164:
2840                 /* sil 164 */
2841                 radeon_i2c_put_byte(tmds->i2c_bus,
2842                                     tmds->slave_addr,
2843                                     0x08, 0x30);
2844                 radeon_i2c_put_byte(tmds->i2c_bus,
2845                                        tmds->slave_addr,
2846                                        0x09, 0x00);
2847                 radeon_i2c_put_byte(tmds->i2c_bus,
2848                                     tmds->slave_addr,
2849                                     0x0a, 0x90);
2850                 radeon_i2c_put_byte(tmds->i2c_bus,
2851                                     tmds->slave_addr,
2852                                     0x0c, 0x89);
2853                 radeon_i2c_put_byte(tmds->i2c_bus,
2854                                        tmds->slave_addr,
2855                                        0x08, 0x3b);
2856                 break;
2857         case DVO_SIL1178:
2858                 /* sil 1178 - untested */
2859                 /*
2860                  * 0x0f, 0x44
2861                  * 0x0f, 0x4c
2862                  * 0x0e, 0x01
2863                  * 0x0a, 0x80
2864                  * 0x09, 0x30
2865                  * 0x0c, 0xc9
2866                  * 0x0d, 0x70
2867                  * 0x08, 0x32
2868                  * 0x08, 0x33
2869                  */
2870                 break;
2871         default:
2872                 break;
2873         }
2874
2875 }
2876
2877 bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
2878 {
2879         struct drm_device *dev = encoder->dev;
2880         struct radeon_device *rdev = dev->dev_private;
2881         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2882         uint16_t offset;
2883         uint8_t blocks, slave_addr, rev;
2884         uint32_t index, id;
2885         uint32_t reg, val, and_mask, or_mask;
2886         struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2887
2888         if (!tmds)
2889                 return false;
2890
2891         if (rdev->flags & RADEON_IS_IGP) {
2892                 offset = combios_get_table_offset(dev, COMBIOS_TMDS_POWER_ON_TABLE);
2893                 rev = RBIOS8(offset);
2894                 if (offset) {
2895                         rev = RBIOS8(offset);
2896                         if (rev > 1) {
2897                                 blocks = RBIOS8(offset + 3);
2898                                 index = offset + 4;
2899                                 while (blocks > 0) {
2900                                         id = RBIOS16(index);
2901                                         index += 2;
2902                                         switch (id >> 13) {
2903                                         case 0:
2904                                                 reg = (id & 0x1fff) * 4;
2905                                                 val = RBIOS32(index);
2906                                                 index += 4;
2907                                                 WREG32(reg, val);
2908                                                 break;
2909                                         case 2:
2910                                                 reg = (id & 0x1fff) * 4;
2911                                                 and_mask = RBIOS32(index);
2912                                                 index += 4;
2913                                                 or_mask = RBIOS32(index);
2914                                                 index += 4;
2915                                                 val = RREG32(reg);
2916                                                 val = (val & and_mask) | or_mask;
2917                                                 WREG32(reg, val);
2918                                                 break;
2919                                         case 3:
2920                                                 val = RBIOS16(index);
2921                                                 index += 2;
2922                                                 udelay(val);
2923                                                 break;
2924                                         case 4:
2925                                                 val = RBIOS16(index);
2926                                                 index += 2;
2927                                                 mdelay(val);
2928                                                 break;
2929                                         case 6:
2930                                                 slave_addr = id & 0xff;
2931                                                 slave_addr >>= 1; /* 7 bit addressing */
2932                                                 index++;
2933                                                 reg = RBIOS8(index);
2934                                                 index++;
2935                                                 val = RBIOS8(index);
2936                                                 index++;
2937                                                 radeon_i2c_put_byte(tmds->i2c_bus,
2938                                                                     slave_addr,
2939                                                                     reg, val);
2940                                                 break;
2941                                         default:
2942                                                 DRM_ERROR("Unknown id %d\n", id >> 13);
2943                                                 break;
2944                                         }
2945                                         blocks--;
2946                                 }
2947                                 return true;
2948                         }
2949                 }
2950         } else {
2951                 offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2952                 if (offset) {
2953                         index = offset + 10;
2954                         id = RBIOS16(index);
2955                         while (id != 0xffff) {
2956                                 index += 2;
2957                                 switch (id >> 13) {
2958                                 case 0:
2959                                         reg = (id & 0x1fff) * 4;
2960                                         val = RBIOS32(index);
2961                                         WREG32(reg, val);
2962                                         break;
2963                                 case 2:
2964                                         reg = (id & 0x1fff) * 4;
2965                                         and_mask = RBIOS32(index);
2966                                         index += 4;
2967                                         or_mask = RBIOS32(index);
2968                                         index += 4;
2969                                         val = RREG32(reg);
2970                                         val = (val & and_mask) | or_mask;
2971                                         WREG32(reg, val);
2972                                         break;
2973                                 case 4:
2974                                         val = RBIOS16(index);
2975                                         index += 2;
2976                                         udelay(val);
2977                                         break;
2978                                 case 5:
2979                                         reg = id & 0x1fff;
2980                                         and_mask = RBIOS32(index);
2981                                         index += 4;
2982                                         or_mask = RBIOS32(index);
2983                                         index += 4;
2984                                         val = RREG32_PLL(reg);
2985                                         val = (val & and_mask) | or_mask;
2986                                         WREG32_PLL(reg, val);
2987                                         break;
2988                                 case 6:
2989                                         reg = id & 0x1fff;
2990                                         val = RBIOS8(index);
2991                                         index += 1;
2992                                         radeon_i2c_put_byte(tmds->i2c_bus,
2993                                                             tmds->slave_addr,
2994                                                             reg, val);
2995                                         break;
2996                                 default:
2997                                         DRM_ERROR("Unknown id %d\n", id >> 13);
2998                                         break;
2999                                 }
3000                                 id = RBIOS16(index);
3001                         }
3002                         return true;
3003                 }
3004         }
3005         return false;
3006 }
3007
3008 static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
3009 {
3010         struct radeon_device *rdev = dev->dev_private;
3011
3012         if (offset) {
3013                 while (RBIOS16(offset)) {
3014                         uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
3015                         uint32_t addr = (RBIOS16(offset) & 0x1fff);
3016                         uint32_t val, and_mask, or_mask;
3017                         uint32_t tmp;
3018
3019                         offset += 2;
3020                         switch (cmd) {
3021                         case 0:
3022                                 val = RBIOS32(offset);
3023                                 offset += 4;
3024                                 WREG32(addr, val);
3025                                 break;
3026                         case 1:
3027                                 val = RBIOS32(offset);
3028                                 offset += 4;
3029                                 WREG32(addr, val);
3030                                 break;
3031                         case 2:
3032                                 and_mask = RBIOS32(offset);
3033                                 offset += 4;
3034                                 or_mask = RBIOS32(offset);
3035                                 offset += 4;
3036                                 tmp = RREG32(addr);
3037                                 tmp &= and_mask;
3038                                 tmp |= or_mask;
3039                                 WREG32(addr, tmp);
3040                                 break;
3041                         case 3:
3042                                 and_mask = RBIOS32(offset);
3043                                 offset += 4;
3044                                 or_mask = RBIOS32(offset);
3045                                 offset += 4;
3046                                 tmp = RREG32(addr);
3047                                 tmp &= and_mask;
3048                                 tmp |= or_mask;
3049                                 WREG32(addr, tmp);
3050                                 break;
3051                         case 4:
3052                                 val = RBIOS16(offset);
3053                                 offset += 2;
3054                                 udelay(val);
3055                                 break;
3056                         case 5:
3057                                 val = RBIOS16(offset);
3058                                 offset += 2;
3059                                 switch (addr) {
3060                                 case 8:
3061                                         while (val--) {
3062                                                 if (!
3063                                                     (RREG32_PLL
3064                                                      (RADEON_CLK_PWRMGT_CNTL) &
3065                                                      RADEON_MC_BUSY))
3066                                                         break;
3067                                         }
3068                                         break;
3069                                 case 9:
3070                                         while (val--) {
3071                                                 if ((RREG32(RADEON_MC_STATUS) &
3072                                                      RADEON_MC_IDLE))
3073                                                         break;
3074                                         }
3075                                         break;
3076                                 default:
3077                                         break;
3078                                 }
3079                                 break;
3080                         default:
3081                                 break;
3082                         }
3083                 }
3084         }
3085 }
3086
3087 static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
3088 {
3089         struct radeon_device *rdev = dev->dev_private;
3090
3091         if (offset) {
3092                 while (RBIOS8(offset)) {
3093                         uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
3094                         uint8_t addr = (RBIOS8(offset) & 0x3f);
3095                         uint32_t val, shift, tmp;
3096                         uint32_t and_mask, or_mask;
3097
3098                         offset++;
3099                         switch (cmd) {
3100                         case 0:
3101                                 val = RBIOS32(offset);
3102                                 offset += 4;
3103                                 WREG32_PLL(addr, val);
3104                                 break;
3105                         case 1:
3106                                 shift = RBIOS8(offset) * 8;
3107                                 offset++;
3108                                 and_mask = RBIOS8(offset) << shift;
3109                                 and_mask |= ~(0xff << shift);
3110                                 offset++;
3111                                 or_mask = RBIOS8(offset) << shift;
3112                                 offset++;
3113                                 tmp = RREG32_PLL(addr);
3114                                 tmp &= and_mask;
3115                                 tmp |= or_mask;
3116                                 WREG32_PLL(addr, tmp);
3117                                 break;
3118                         case 2:
3119                         case 3:
3120                                 tmp = 1000;
3121                                 switch (addr) {
3122                                 case 1:
3123                                         udelay(150);
3124                                         break;
3125                                 case 2:
3126                                         mdelay(1);
3127                                         break;
3128                                 case 3:
3129                                         while (tmp--) {
3130                                                 if (!
3131                                                     (RREG32_PLL
3132                                                      (RADEON_CLK_PWRMGT_CNTL) &
3133                                                      RADEON_MC_BUSY))
3134                                                         break;
3135                                         }
3136                                         break;
3137                                 case 4:
3138                                         while (tmp--) {
3139                                                 if (RREG32_PLL
3140                                                     (RADEON_CLK_PWRMGT_CNTL) &
3141                                                     RADEON_DLL_READY)
3142                                                         break;
3143                                         }
3144                                         break;
3145                                 case 5:
3146                                         tmp =
3147                                             RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
3148                                         if (tmp & RADEON_CG_NO1_DEBUG_0) {
3149 #if 0
3150                                                 uint32_t mclk_cntl =
3151                                                     RREG32_PLL
3152                                                     (RADEON_MCLK_CNTL);
3153                                                 mclk_cntl &= 0xffff0000;
3154                                                 /*mclk_cntl |= 0x00001111;*//* ??? */
3155                                                 WREG32_PLL(RADEON_MCLK_CNTL,
3156                                                            mclk_cntl);
3157                                                 mdelay(10);
3158 #endif
3159                                                 WREG32_PLL
3160                                                     (RADEON_CLK_PWRMGT_CNTL,
3161                                                      tmp &
3162                                                      ~RADEON_CG_NO1_DEBUG_0);
3163                                                 mdelay(10);
3164                                         }
3165                                         break;
3166                                 default:
3167                                         break;
3168                                 }
3169                                 break;
3170                         default:
3171                                 break;
3172                         }
3173                 }
3174         }
3175 }
3176
3177 static void combios_parse_ram_reset_table(struct drm_device *dev,
3178                                           uint16_t offset)
3179 {
3180         struct radeon_device *rdev = dev->dev_private;
3181         uint32_t tmp;
3182
3183         if (offset) {
3184                 uint8_t val = RBIOS8(offset);
3185                 while (val != 0xff) {
3186                         offset++;
3187
3188                         if (val == 0x0f) {
3189                                 uint32_t channel_complete_mask;
3190
3191                                 if (ASIC_IS_R300(rdev))
3192                                         channel_complete_mask =
3193                                             R300_MEM_PWRUP_COMPLETE;
3194                                 else
3195                                         channel_complete_mask =
3196                                             RADEON_MEM_PWRUP_COMPLETE;
3197                                 tmp = 20000;
3198                                 while (tmp--) {
3199                                         if ((RREG32(RADEON_MEM_STR_CNTL) &
3200                                              channel_complete_mask) ==
3201                                             channel_complete_mask)
3202                                                 break;
3203                                 }
3204                         } else {
3205                                 uint32_t or_mask = RBIOS16(offset);
3206                                 offset += 2;
3207
3208                                 tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3209                                 tmp &= RADEON_SDRAM_MODE_MASK;
3210                                 tmp |= or_mask;
3211                                 WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3212
3213                                 or_mask = val << 24;
3214                                 tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3215                                 tmp &= RADEON_B3MEM_RESET_MASK;
3216                                 tmp |= or_mask;
3217                                 WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3218                         }
3219                         val = RBIOS8(offset);
3220                 }
3221         }
3222 }
3223
3224 static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
3225                                    int mem_addr_mapping)
3226 {
3227         struct radeon_device *rdev = dev->dev_private;
3228         uint32_t mem_cntl;
3229         uint32_t mem_size;
3230         uint32_t addr = 0;
3231
3232         mem_cntl = RREG32(RADEON_MEM_CNTL);
3233         if (mem_cntl & RV100_HALF_MODE)
3234                 ram /= 2;
3235         mem_size = ram;
3236         mem_cntl &= ~(0xff << 8);
3237         mem_cntl |= (mem_addr_mapping & 0xff) << 8;
3238         WREG32(RADEON_MEM_CNTL, mem_cntl);
3239         RREG32(RADEON_MEM_CNTL);
3240
3241         /* sdram reset ? */
3242
3243         /* something like this????  */
3244         while (ram--) {
3245                 addr = ram * 1024 * 1024;
3246                 /* write to each page */
3247                 WREG32_IDX((addr) | RADEON_MM_APER, 0xdeadbeef);
3248                 /* read back and verify */
3249                 if (RREG32_IDX((addr) | RADEON_MM_APER) != 0xdeadbeef)
3250                         return 0;
3251         }
3252
3253         return mem_size;
3254 }
3255
3256 static void combios_write_ram_size(struct drm_device *dev)
3257 {
3258         struct radeon_device *rdev = dev->dev_private;
3259         uint8_t rev;
3260         uint16_t offset;
3261         uint32_t mem_size = 0;
3262         uint32_t mem_cntl = 0;
3263
3264         /* should do something smarter here I guess... */
3265         if (rdev->flags & RADEON_IS_IGP)
3266                 return;
3267
3268         /* first check detected mem table */
3269         offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
3270         if (offset) {
3271                 rev = RBIOS8(offset);
3272                 if (rev < 3) {
3273                         mem_cntl = RBIOS32(offset + 1);
3274                         mem_size = RBIOS16(offset + 5);
3275                         if ((rdev->family < CHIP_R200) &&
3276                             !ASIC_IS_RN50(rdev))
3277                                 WREG32(RADEON_MEM_CNTL, mem_cntl);
3278                 }
3279         }
3280
3281         if (!mem_size) {
3282                 offset =
3283                     combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
3284                 if (offset) {
3285                         rev = RBIOS8(offset - 1);
3286                         if (rev < 1) {
3287                                 if ((rdev->family < CHIP_R200)
3288                                     && !ASIC_IS_RN50(rdev)) {
3289                                         int ram = 0;
3290                                         int mem_addr_mapping = 0;
3291
3292                                         while (RBIOS8(offset)) {
3293                                                 ram = RBIOS8(offset);
3294                                                 mem_addr_mapping =
3295                                                     RBIOS8(offset + 1);
3296                                                 if (mem_addr_mapping != 0x25)
3297                                                         ram *= 2;
3298                                                 mem_size =
3299                                                     combios_detect_ram(dev, ram,
3300                                                                        mem_addr_mapping);
3301                                                 if (mem_size)
3302                                                         break;
3303                                                 offset += 2;
3304                                         }
3305                                 } else
3306                                         mem_size = RBIOS8(offset);
3307                         } else {
3308                                 mem_size = RBIOS8(offset);
3309                                 mem_size *= 2;  /* convert to MB */
3310                         }
3311                 }
3312         }
3313
3314         mem_size *= (1024 * 1024);      /* convert to bytes */
3315         WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
3316 }
3317
3318 void radeon_combios_asic_init(struct drm_device *dev)
3319 {
3320         struct radeon_device *rdev = dev->dev_private;
3321         uint16_t table;
3322
3323         /* port hardcoded mac stuff from radeonfb */
3324         if (rdev->bios == NULL)
3325                 return;
3326
3327         /* ASIC INIT 1 */
3328         table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE);
3329         if (table)
3330                 combios_parse_mmio_table(dev, table);
3331
3332         /* PLL INIT */
3333         table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE);
3334         if (table)
3335                 combios_parse_pll_table(dev, table);
3336
3337         /* ASIC INIT 2 */
3338         table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE);
3339         if (table)
3340                 combios_parse_mmio_table(dev, table);
3341
3342         if (!(rdev->flags & RADEON_IS_IGP)) {
3343                 /* ASIC INIT 4 */
3344                 table =
3345                     combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE);
3346                 if (table)
3347                         combios_parse_mmio_table(dev, table);
3348
3349                 /* RAM RESET */
3350                 table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE);
3351                 if (table)
3352                         combios_parse_ram_reset_table(dev, table);
3353
3354                 /* ASIC INIT 3 */
3355                 table =
3356                     combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE);
3357                 if (table)
3358                         combios_parse_mmio_table(dev, table);
3359
3360                 /* write CONFIG_MEMSIZE */
3361                 combios_write_ram_size(dev);
3362         }
3363
3364         /* quirk for rs4xx HP nx6125 laptop to make it resume
3365          * - it hangs on resume inside the dynclk 1 table.
3366          */
3367         if (rdev->family == CHIP_RS480 &&
3368             dev->pci_subvendor == 0x103c &&
3369             dev->pci_subdevice == 0x308b)
3370                 return;
3371
3372         /* quirk for rs4xx HP dv5000 laptop to make it resume
3373          * - it hangs on resume inside the dynclk 1 table.
3374          */
3375         if (rdev->family == CHIP_RS480 &&
3376             dev->pci_subvendor == 0x103c &&
3377             dev->pci_subdevice == 0x30a4)
3378                 return;
3379
3380         /* quirk for rs4xx Compaq Presario V5245EU laptop to make it resume
3381          * - it hangs on resume inside the dynclk 1 table.
3382          */
3383         if (rdev->family == CHIP_RS480 &&
3384             dev->pci_subvendor == 0x103c &&
3385             dev->pci_subdevice == 0x30ae)
3386                 return;
3387
3388         /* DYN CLK 1 */
3389         table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3390         if (table)
3391                 combios_parse_pll_table(dev, table);
3392
3393 }
3394
3395 void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
3396 {
3397         struct radeon_device *rdev = dev->dev_private;
3398         uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
3399
3400         bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
3401         bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3402         bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
3403
3404         /* let the bios control the backlight */
3405         bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
3406
3407         /* tell the bios not to handle mode switching */
3408         bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
3409                            RADEON_ACC_MODE_CHANGE);
3410
3411         /* tell the bios a driver is loaded */
3412         bios_7_scratch |= RADEON_DRV_LOADED;
3413
3414         WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
3415         WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3416         WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
3417 }
3418
3419 void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
3420 {
3421         struct drm_device *dev = encoder->dev;
3422         struct radeon_device *rdev = dev->dev_private;
3423         uint32_t bios_6_scratch;
3424
3425         bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3426
3427         if (lock)
3428                 bios_6_scratch |= RADEON_DRIVER_CRITICAL;
3429         else
3430                 bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
3431
3432         WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3433 }
3434
3435 void
3436 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
3437                                       struct drm_encoder *encoder,
3438                                       bool connected)
3439 {
3440         struct drm_device *dev = connector->dev;
3441         struct radeon_device *rdev = dev->dev_private;
3442         struct radeon_connector *radeon_connector =
3443             to_radeon_connector(connector);
3444         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3445         uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
3446         uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3447
3448         if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
3449             (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
3450                 if (connected) {
3451                         DRM_DEBUG_KMS("TV1 connected\n");
3452                         /* fix me */
3453                         bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
3454                         /*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
3455                         bios_5_scratch |= RADEON_TV1_ON;
3456                         bios_5_scratch |= RADEON_ACC_REQ_TV1;
3457                 } else {
3458                         DRM_DEBUG_KMS("TV1 disconnected\n");
3459                         bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
3460                         bios_5_scratch &= ~RADEON_TV1_ON;
3461                         bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
3462                 }
3463         }
3464         if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
3465             (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
3466                 if (connected) {
3467                         DRM_DEBUG_KMS("LCD1 connected\n");
3468                         bios_4_scratch |= RADEON_LCD1_ATTACHED;
3469                         bios_5_scratch |= RADEON_LCD1_ON;
3470                         bios_5_scratch |= RADEON_ACC_REQ_LCD1;
3471                 } else {
3472                         DRM_DEBUG_KMS("LCD1 disconnected\n");
3473                         bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
3474                         bios_5_scratch &= ~RADEON_LCD1_ON;
3475                         bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
3476                 }
3477         }
3478         if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
3479             (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
3480                 if (connected) {
3481                         DRM_DEBUG_KMS("CRT1 connected\n");
3482                         bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
3483                         bios_5_scratch |= RADEON_CRT1_ON;
3484                         bios_5_scratch |= RADEON_ACC_REQ_CRT1;
3485                 } else {
3486                         DRM_DEBUG_KMS("CRT1 disconnected\n");
3487                         bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
3488                         bios_5_scratch &= ~RADEON_CRT1_ON;
3489                         bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
3490                 }
3491         }
3492         if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
3493             (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
3494                 if (connected) {
3495                         DRM_DEBUG_KMS("CRT2 connected\n");
3496                         bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
3497                         bios_5_scratch |= RADEON_CRT2_ON;
3498                         bios_5_scratch |= RADEON_ACC_REQ_CRT2;
3499                 } else {
3500                         DRM_DEBUG_KMS("CRT2 disconnected\n");
3501                         bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
3502                         bios_5_scratch &= ~RADEON_CRT2_ON;
3503                         bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
3504                 }
3505         }
3506         if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
3507             (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
3508                 if (connected) {
3509                         DRM_DEBUG_KMS("DFP1 connected\n");
3510                         bios_4_scratch |= RADEON_DFP1_ATTACHED;
3511                         bios_5_scratch |= RADEON_DFP1_ON;
3512                         bios_5_scratch |= RADEON_ACC_REQ_DFP1;
3513                 } else {
3514                         DRM_DEBUG_KMS("DFP1 disconnected\n");
3515                         bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
3516                         bios_5_scratch &= ~RADEON_DFP1_ON;
3517                         bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
3518                 }
3519         }
3520         if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
3521             (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
3522                 if (connected) {
3523                         DRM_DEBUG_KMS("DFP2 connected\n");
3524                         bios_4_scratch |= RADEON_DFP2_ATTACHED;
3525                         bios_5_scratch |= RADEON_DFP2_ON;
3526                         bios_5_scratch |= RADEON_ACC_REQ_DFP2;
3527                 } else {
3528                         DRM_DEBUG_KMS("DFP2 disconnected\n");
3529                         bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
3530                         bios_5_scratch &= ~RADEON_DFP2_ON;
3531                         bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
3532                 }
3533         }
3534         WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
3535         WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3536 }
3537
3538 void
3539 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
3540 {
3541         struct drm_device *dev = encoder->dev;
3542         struct radeon_device *rdev = dev->dev_private;
3543         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3544         uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3545
3546         if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
3547                 bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
3548                 bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
3549         }
3550         if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
3551                 bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
3552                 bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
3553         }
3554         if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
3555                 bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
3556                 bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
3557         }
3558         if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
3559                 bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
3560                 bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
3561         }
3562         if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
3563                 bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
3564                 bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
3565         }
3566         if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
3567                 bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
3568                 bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
3569         }
3570         WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3571 }
3572
3573 void
3574 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
3575 {
3576         struct drm_device *dev = encoder->dev;
3577         struct radeon_device *rdev = dev->dev_private;
3578         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3579         uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3580
3581         if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
3582                 if (on)
3583                         bios_6_scratch |= RADEON_TV_DPMS_ON;
3584                 else
3585                         bios_6_scratch &= ~RADEON_TV_DPMS_ON;
3586         }
3587         if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3588                 if (on)
3589                         bios_6_scratch |= RADEON_CRT_DPMS_ON;
3590                 else
3591                         bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
3592         }
3593         if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3594                 if (on)
3595                         bios_6_scratch |= RADEON_LCD_DPMS_ON;
3596                 else
3597                         bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
3598         }
3599         if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
3600                 if (on)
3601                         bios_6_scratch |= RADEON_DFP_DPMS_ON;
3602                 else
3603                         bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
3604         }
3605         WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3606 }