xref: /dragonfly/sys/dev/drm/radeon/radeon_combios.c (revision a85cb24f18e3804e75ab8bcda7692564d0563317)
1 /*
2  * Copyright 2004 ATI Technologies Inc., Markham, Ontario
3  * Copyright 2007-8 Advanced Micro Devices, Inc.
4  * Copyright 2008 Red Hat Inc.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  */
27 #include <drm/drmP.h>
28 #include <drm/radeon_drm.h>
29 #include "radeon.h"
30 #include "atom.h"
31 
32 #ifdef CONFIG_PPC_PMAC
33 /* not sure which of these are needed */
34 #include <asm/machdep.h>
35 #include <asm/pmac_feature.h>
36 #include <asm/prom.h>
37 #endif /* CONFIG_PPC_PMAC */
38 
39 /* old legacy ATI BIOS routines */
40 
41 /* COMBIOS table offsets */
42 enum radeon_combios_table_offset {
43           /* absolute offset tables */
44           COMBIOS_ASIC_INIT_1_TABLE,
45           COMBIOS_BIOS_SUPPORT_TABLE,
46           COMBIOS_DAC_PROGRAMMING_TABLE,
47           COMBIOS_MAX_COLOR_DEPTH_TABLE,
48           COMBIOS_CRTC_INFO_TABLE,
49           COMBIOS_PLL_INFO_TABLE,
50           COMBIOS_TV_INFO_TABLE,
51           COMBIOS_DFP_INFO_TABLE,
52           COMBIOS_HW_CONFIG_INFO_TABLE,
53           COMBIOS_MULTIMEDIA_INFO_TABLE,
54           COMBIOS_TV_STD_PATCH_TABLE,
55           COMBIOS_LCD_INFO_TABLE,
56           COMBIOS_MOBILE_INFO_TABLE,
57           COMBIOS_PLL_INIT_TABLE,
58           COMBIOS_MEM_CONFIG_TABLE,
59           COMBIOS_SAVE_MASK_TABLE,
60           COMBIOS_HARDCODED_EDID_TABLE,
61           COMBIOS_ASIC_INIT_2_TABLE,
62           COMBIOS_CONNECTOR_INFO_TABLE,
63           COMBIOS_DYN_CLK_1_TABLE,
64           COMBIOS_RESERVED_MEM_TABLE,
65           COMBIOS_EXT_TMDS_INFO_TABLE,
66           COMBIOS_MEM_CLK_INFO_TABLE,
67           COMBIOS_EXT_DAC_INFO_TABLE,
68           COMBIOS_MISC_INFO_TABLE,
69           COMBIOS_CRT_INFO_TABLE,
70           COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE,
71           COMBIOS_COMPONENT_VIDEO_INFO_TABLE,
72           COMBIOS_FAN_SPEED_INFO_TABLE,
73           COMBIOS_OVERDRIVE_INFO_TABLE,
74           COMBIOS_OEM_INFO_TABLE,
75           COMBIOS_DYN_CLK_2_TABLE,
76           COMBIOS_POWER_CONNECTOR_INFO_TABLE,
77           COMBIOS_I2C_INFO_TABLE,
78           /* relative offset tables */
79           COMBIOS_ASIC_INIT_3_TABLE,    /* offset from misc info */
80           COMBIOS_ASIC_INIT_4_TABLE,    /* offset from misc info */
81           COMBIOS_DETECTED_MEM_TABLE,   /* offset from misc info */
82           COMBIOS_ASIC_INIT_5_TABLE,    /* offset from misc info */
83           COMBIOS_RAM_RESET_TABLE,      /* offset from mem config */
84           COMBIOS_POWERPLAY_INFO_TABLE, /* offset from mobile info */
85           COMBIOS_GPIO_INFO_TABLE,      /* offset from mobile info */
86           COMBIOS_LCD_DDC_INFO_TABLE,   /* offset from mobile info */
87           COMBIOS_TMDS_POWER_TABLE,     /* offset from mobile info */
88           COMBIOS_TMDS_POWER_ON_TABLE,  /* offset from tmds power */
89           COMBIOS_TMDS_POWER_OFF_TABLE, /* offset from tmds power */
90 };
91 
92 enum radeon_combios_ddc {
93           DDC_NONE_DETECTED,
94           DDC_MONID,
95           DDC_DVI,
96           DDC_VGA,
97           DDC_CRT2,
98           DDC_LCD,
99           DDC_GPIO,
100 };
101 
102 enum radeon_combios_connector {
103           CONNECTOR_NONE_LEGACY,
104           CONNECTOR_PROPRIETARY_LEGACY,
105           CONNECTOR_CRT_LEGACY,
106           CONNECTOR_DVI_I_LEGACY,
107           CONNECTOR_DVI_D_LEGACY,
108           CONNECTOR_CTV_LEGACY,
109           CONNECTOR_STV_LEGACY,
110           CONNECTOR_UNSUPPORTED_LEGACY
111 };
112 
113 static const int legacy_connector_convert[] = {
114           DRM_MODE_CONNECTOR_Unknown,
115           DRM_MODE_CONNECTOR_DVID,
116           DRM_MODE_CONNECTOR_VGA,
117           DRM_MODE_CONNECTOR_DVII,
118           DRM_MODE_CONNECTOR_DVID,
119           DRM_MODE_CONNECTOR_Composite,
120           DRM_MODE_CONNECTOR_SVIDEO,
121           DRM_MODE_CONNECTOR_Unknown,
122 };
123 
combios_get_table_offset(struct drm_device * dev,enum radeon_combios_table_offset table)124 static uint16_t combios_get_table_offset(struct drm_device *dev,
125                                                    enum radeon_combios_table_offset table)
126 {
127           struct radeon_device *rdev = dev->dev_private;
128           int rev, size;
129           uint16_t offset = 0, check_offset;
130 
131           if (!rdev->bios)
132                     return 0;
133 
134           switch (table) {
135                     /* absolute offset tables */
136           case COMBIOS_ASIC_INIT_1_TABLE:
137                     check_offset = 0xc;
138                     break;
139           case COMBIOS_BIOS_SUPPORT_TABLE:
140                     check_offset = 0x14;
141                     break;
142           case COMBIOS_DAC_PROGRAMMING_TABLE:
143                     check_offset = 0x2a;
144                     break;
145           case COMBIOS_MAX_COLOR_DEPTH_TABLE:
146                     check_offset = 0x2c;
147                     break;
148           case COMBIOS_CRTC_INFO_TABLE:
149                     check_offset = 0x2e;
150                     break;
151           case COMBIOS_PLL_INFO_TABLE:
152                     check_offset = 0x30;
153                     break;
154           case COMBIOS_TV_INFO_TABLE:
155                     check_offset = 0x32;
156                     break;
157           case COMBIOS_DFP_INFO_TABLE:
158                     check_offset = 0x34;
159                     break;
160           case COMBIOS_HW_CONFIG_INFO_TABLE:
161                     check_offset = 0x36;
162                     break;
163           case COMBIOS_MULTIMEDIA_INFO_TABLE:
164                     check_offset = 0x38;
165                     break;
166           case COMBIOS_TV_STD_PATCH_TABLE:
167                     check_offset = 0x3e;
168                     break;
169           case COMBIOS_LCD_INFO_TABLE:
170                     check_offset = 0x40;
171                     break;
172           case COMBIOS_MOBILE_INFO_TABLE:
173                     check_offset = 0x42;
174                     break;
175           case COMBIOS_PLL_INIT_TABLE:
176                     check_offset = 0x46;
177                     break;
178           case COMBIOS_MEM_CONFIG_TABLE:
179                     check_offset = 0x48;
180                     break;
181           case COMBIOS_SAVE_MASK_TABLE:
182                     check_offset = 0x4a;
183                     break;
184           case COMBIOS_HARDCODED_EDID_TABLE:
185                     check_offset = 0x4c;
186                     break;
187           case COMBIOS_ASIC_INIT_2_TABLE:
188                     check_offset = 0x4e;
189                     break;
190           case COMBIOS_CONNECTOR_INFO_TABLE:
191                     check_offset = 0x50;
192                     break;
193           case COMBIOS_DYN_CLK_1_TABLE:
194                     check_offset = 0x52;
195                     break;
196           case COMBIOS_RESERVED_MEM_TABLE:
197                     check_offset = 0x54;
198                     break;
199           case COMBIOS_EXT_TMDS_INFO_TABLE:
200                     check_offset = 0x58;
201                     break;
202           case COMBIOS_MEM_CLK_INFO_TABLE:
203                     check_offset = 0x5a;
204                     break;
205           case COMBIOS_EXT_DAC_INFO_TABLE:
206                     check_offset = 0x5c;
207                     break;
208           case COMBIOS_MISC_INFO_TABLE:
209                     check_offset = 0x5e;
210                     break;
211           case COMBIOS_CRT_INFO_TABLE:
212                     check_offset = 0x60;
213                     break;
214           case COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE:
215                     check_offset = 0x62;
216                     break;
217           case COMBIOS_COMPONENT_VIDEO_INFO_TABLE:
218                     check_offset = 0x64;
219                     break;
220           case COMBIOS_FAN_SPEED_INFO_TABLE:
221                     check_offset = 0x66;
222                     break;
223           case COMBIOS_OVERDRIVE_INFO_TABLE:
224                     check_offset = 0x68;
225                     break;
226           case COMBIOS_OEM_INFO_TABLE:
227                     check_offset = 0x6a;
228                     break;
229           case COMBIOS_DYN_CLK_2_TABLE:
230                     check_offset = 0x6c;
231                     break;
232           case COMBIOS_POWER_CONNECTOR_INFO_TABLE:
233                     check_offset = 0x6e;
234                     break;
235           case COMBIOS_I2C_INFO_TABLE:
236                     check_offset = 0x70;
237                     break;
238                     /* relative offset tables */
239           case COMBIOS_ASIC_INIT_3_TABLE:         /* offset from misc info */
240                     check_offset =
241                         combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
242                     if (check_offset) {
243                               rev = RBIOS8(check_offset);
244                               if (rev > 0) {
245                                         check_offset = RBIOS16(check_offset + 0x3);
246                                         if (check_offset)
247                                                   offset = check_offset;
248                               }
249                     }
250                     break;
251           case COMBIOS_ASIC_INIT_4_TABLE:         /* offset from misc info */
252                     check_offset =
253                         combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
254                     if (check_offset) {
255                               rev = RBIOS8(check_offset);
256                               if (rev > 0) {
257                                         check_offset = RBIOS16(check_offset + 0x5);
258                                         if (check_offset)
259                                                   offset = check_offset;
260                               }
261                     }
262                     break;
263           case COMBIOS_DETECTED_MEM_TABLE:        /* offset from misc info */
264                     check_offset =
265                         combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
266                     if (check_offset) {
267                               rev = RBIOS8(check_offset);
268                               if (rev > 0) {
269                                         check_offset = RBIOS16(check_offset + 0x7);
270                                         if (check_offset)
271                                                   offset = check_offset;
272                               }
273                     }
274                     break;
275           case COMBIOS_ASIC_INIT_5_TABLE:         /* offset from misc info */
276                     check_offset =
277                         combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
278                     if (check_offset) {
279                               rev = RBIOS8(check_offset);
280                               if (rev == 2) {
281                                         check_offset = RBIOS16(check_offset + 0x9);
282                                         if (check_offset)
283                                                   offset = check_offset;
284                               }
285                     }
286                     break;
287           case COMBIOS_RAM_RESET_TABLE: /* offset from mem config */
288                     check_offset =
289                         combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
290                     if (check_offset) {
291                               while (RBIOS8(check_offset++));
292                               check_offset += 2;
293                               if (check_offset)
294                                         offset = check_offset;
295                     }
296                     break;
297           case COMBIOS_POWERPLAY_INFO_TABLE:      /* offset from mobile info */
298                     check_offset =
299                         combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
300                     if (check_offset) {
301                               check_offset = RBIOS16(check_offset + 0x11);
302                               if (check_offset)
303                                         offset = check_offset;
304                     }
305                     break;
306           case COMBIOS_GPIO_INFO_TABLE: /* offset from mobile info */
307                     check_offset =
308                         combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
309                     if (check_offset) {
310                               check_offset = RBIOS16(check_offset + 0x13);
311                               if (check_offset)
312                                         offset = check_offset;
313                     }
314                     break;
315           case COMBIOS_LCD_DDC_INFO_TABLE:        /* offset from mobile info */
316                     check_offset =
317                         combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
318                     if (check_offset) {
319                               check_offset = RBIOS16(check_offset + 0x15);
320                               if (check_offset)
321                                         offset = check_offset;
322                     }
323                     break;
324           case COMBIOS_TMDS_POWER_TABLE:          /* offset from mobile info */
325                     check_offset =
326                         combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
327                     if (check_offset) {
328                               check_offset = RBIOS16(check_offset + 0x17);
329                               if (check_offset)
330                                         offset = check_offset;
331                     }
332                     break;
333           case COMBIOS_TMDS_POWER_ON_TABLE:       /* offset from tmds power */
334                     check_offset =
335                         combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
336                     if (check_offset) {
337                               check_offset = RBIOS16(check_offset + 0x2);
338                               if (check_offset)
339                                         offset = check_offset;
340                     }
341                     break;
342           case COMBIOS_TMDS_POWER_OFF_TABLE:      /* offset from tmds power */
343                     check_offset =
344                         combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
345                     if (check_offset) {
346                               check_offset = RBIOS16(check_offset + 0x4);
347                               if (check_offset)
348                                         offset = check_offset;
349                     }
350                     break;
351           default:
352                     check_offset = 0;
353                     break;
354           }
355 
356           size = RBIOS8(rdev->bios_header_start + 0x6);
357           /* check absolute offset tables */
358           if (table < COMBIOS_ASIC_INIT_3_TABLE && check_offset && check_offset < size)
359                     offset = RBIOS16(rdev->bios_header_start + check_offset);
360 
361           return offset;
362 }
363 
radeon_combios_check_hardcoded_edid(struct radeon_device * rdev)364 bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev)
365 {
366           int edid_info, size;
367           struct edid *edid;
368           unsigned char *raw;
369           edid_info = combios_get_table_offset(rdev->ddev, COMBIOS_HARDCODED_EDID_TABLE);
370           if (!edid_info)
371                     return false;
372 
373           raw = rdev->bios + edid_info;
374           size = EDID_LENGTH * (raw[0x7e] + 1);
375           edid = kmalloc(size, M_DRM, M_WAITOK);
376           if (edid == NULL)
377                     return false;
378 
379           memcpy((unsigned char *)edid, raw, size);
380 
381           if (!drm_edid_is_valid(edid)) {
382                     kfree(edid);
383                     return false;
384           }
385 
386           rdev->mode_info.bios_hardcoded_edid = edid;
387           rdev->mode_info.bios_hardcoded_edid_size = size;
388           return true;
389 }
390 
391 /* this is used for atom LCDs as well */
392 struct edid *
radeon_bios_get_hardcoded_edid(struct radeon_device * rdev)393 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev)
394 {
395           struct edid *edid;
396 
397           if (rdev->mode_info.bios_hardcoded_edid) {
398                     edid = kmalloc(rdev->mode_info.bios_hardcoded_edid_size,
399                                      M_DRM, M_WAITOK);
400                     if (edid) {
401                               memcpy((unsigned char *)edid,
402                                      (unsigned char *)rdev->mode_info.bios_hardcoded_edid,
403                                      rdev->mode_info.bios_hardcoded_edid_size);
404                               return edid;
405                     }
406           }
407           return NULL;
408 }
409 
combios_setup_i2c_bus(struct radeon_device * rdev,enum radeon_combios_ddc ddc,u32 clk_mask,u32 data_mask)410 static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
411                                                                    enum radeon_combios_ddc ddc,
412                                                                    u32 clk_mask,
413                                                                    u32 data_mask)
414 {
415           struct radeon_i2c_bus_rec i2c;
416           int ddc_line = 0;
417 
418           /* ddc id            = mask reg
419            * DDC_NONE_DETECTED = none
420            * DDC_DVI           = RADEON_GPIO_DVI_DDC
421            * DDC_VGA           = RADEON_GPIO_VGA_DDC
422            * DDC_LCD           = RADEON_GPIOPAD_MASK
423            * DDC_GPIO          = RADEON_MDGPIO_MASK
424            * r1xx
425            * DDC_MONID         = RADEON_GPIO_MONID
426            * DDC_CRT2          = RADEON_GPIO_CRT2_DDC
427            * r200
428            * DDC_MONID         = RADEON_GPIO_MONID
429            * DDC_CRT2          = RADEON_GPIO_DVI_DDC
430            * r300/r350
431            * DDC_MONID         = RADEON_GPIO_DVI_DDC
432            * DDC_CRT2          = RADEON_GPIO_DVI_DDC
433            * rv2xx/rv3xx
434            * DDC_MONID         = RADEON_GPIO_MONID
435            * DDC_CRT2          = RADEON_GPIO_MONID
436            * rs3xx/rs4xx
437            * DDC_MONID         = RADEON_GPIOPAD_MASK
438            * DDC_CRT2          = RADEON_GPIO_MONID
439            */
440           switch (ddc) {
441           case DDC_NONE_DETECTED:
442           default:
443                     ddc_line = 0;
444                     break;
445           case DDC_DVI:
446                     ddc_line = RADEON_GPIO_DVI_DDC;
447                     break;
448           case DDC_VGA:
449                     ddc_line = RADEON_GPIO_VGA_DDC;
450                     break;
451           case DDC_LCD:
452                     ddc_line = RADEON_GPIOPAD_MASK;
453                     break;
454           case DDC_GPIO:
455                     ddc_line = RADEON_MDGPIO_MASK;
456                     break;
457           case DDC_MONID:
458                     if (rdev->family == CHIP_RS300 ||
459                         rdev->family == CHIP_RS400 ||
460                         rdev->family == CHIP_RS480)
461                               ddc_line = RADEON_GPIOPAD_MASK;
462                     else if (rdev->family == CHIP_R300 ||
463                                rdev->family == CHIP_R350) {
464                               ddc_line = RADEON_GPIO_DVI_DDC;
465                               ddc = DDC_DVI;
466                     } else
467                               ddc_line = RADEON_GPIO_MONID;
468                     break;
469           case DDC_CRT2:
470                     if (rdev->family == CHIP_R200 ||
471                         rdev->family == CHIP_R300 ||
472                         rdev->family == CHIP_R350) {
473                               ddc_line = RADEON_GPIO_DVI_DDC;
474                               ddc = DDC_DVI;
475                     } else if (rdev->family == CHIP_RS300 ||
476                                  rdev->family == CHIP_RS400 ||
477                                  rdev->family == CHIP_RS480)
478                               ddc_line = RADEON_GPIO_MONID;
479                     else if (rdev->family >= CHIP_RV350) {
480                               ddc_line = RADEON_GPIO_MONID;
481                               ddc = DDC_MONID;
482                     } else
483                               ddc_line = RADEON_GPIO_CRT2_DDC;
484                     break;
485           }
486 
487           if (ddc_line == RADEON_GPIOPAD_MASK) {
488                     i2c.mask_clk_reg = RADEON_GPIOPAD_MASK;
489                     i2c.mask_data_reg = RADEON_GPIOPAD_MASK;
490                     i2c.a_clk_reg = RADEON_GPIOPAD_A;
491                     i2c.a_data_reg = RADEON_GPIOPAD_A;
492                     i2c.en_clk_reg = RADEON_GPIOPAD_EN;
493                     i2c.en_data_reg = RADEON_GPIOPAD_EN;
494                     i2c.y_clk_reg = RADEON_GPIOPAD_Y;
495                     i2c.y_data_reg = RADEON_GPIOPAD_Y;
496           } else if (ddc_line == RADEON_MDGPIO_MASK) {
497                     i2c.mask_clk_reg = RADEON_MDGPIO_MASK;
498                     i2c.mask_data_reg = RADEON_MDGPIO_MASK;
499                     i2c.a_clk_reg = RADEON_MDGPIO_A;
500                     i2c.a_data_reg = RADEON_MDGPIO_A;
501                     i2c.en_clk_reg = RADEON_MDGPIO_EN;
502                     i2c.en_data_reg = RADEON_MDGPIO_EN;
503                     i2c.y_clk_reg = RADEON_MDGPIO_Y;
504                     i2c.y_data_reg = RADEON_MDGPIO_Y;
505           } else {
506                     i2c.mask_clk_reg = ddc_line;
507                     i2c.mask_data_reg = ddc_line;
508                     i2c.a_clk_reg = ddc_line;
509                     i2c.a_data_reg = ddc_line;
510                     i2c.en_clk_reg = ddc_line;
511                     i2c.en_data_reg = ddc_line;
512                     i2c.y_clk_reg = ddc_line;
513                     i2c.y_data_reg = ddc_line;
514           }
515 
516           if (clk_mask && data_mask) {
517                     /* system specific masks */
518                     i2c.mask_clk_mask = clk_mask;
519                     i2c.mask_data_mask = data_mask;
520                     i2c.a_clk_mask = clk_mask;
521                     i2c.a_data_mask = data_mask;
522                     i2c.en_clk_mask = clk_mask;
523                     i2c.en_data_mask = data_mask;
524                     i2c.y_clk_mask = clk_mask;
525                     i2c.y_data_mask = data_mask;
526           } else if ((ddc_line == RADEON_GPIOPAD_MASK) ||
527                        (ddc_line == RADEON_MDGPIO_MASK)) {
528                     /* default gpiopad masks */
529                     i2c.mask_clk_mask = (0x20 << 8);
530                     i2c.mask_data_mask = 0x80;
531                     i2c.a_clk_mask = (0x20 << 8);
532                     i2c.a_data_mask = 0x80;
533                     i2c.en_clk_mask = (0x20 << 8);
534                     i2c.en_data_mask = 0x80;
535                     i2c.y_clk_mask = (0x20 << 8);
536                     i2c.y_data_mask = 0x80;
537           } else {
538                     /* default masks for ddc pads */
539                     i2c.mask_clk_mask = RADEON_GPIO_MASK_1;
540                     i2c.mask_data_mask = RADEON_GPIO_MASK_0;
541                     i2c.a_clk_mask = RADEON_GPIO_A_1;
542                     i2c.a_data_mask = RADEON_GPIO_A_0;
543                     i2c.en_clk_mask = RADEON_GPIO_EN_1;
544                     i2c.en_data_mask = RADEON_GPIO_EN_0;
545                     i2c.y_clk_mask = RADEON_GPIO_Y_1;
546                     i2c.y_data_mask = RADEON_GPIO_Y_0;
547           }
548 
549           switch (rdev->family) {
550           case CHIP_R100:
551           case CHIP_RV100:
552           case CHIP_RS100:
553           case CHIP_RV200:
554           case CHIP_RS200:
555           case CHIP_RS300:
556                     switch (ddc_line) {
557                     case RADEON_GPIO_DVI_DDC:
558                               i2c.hw_capable = true;
559                               break;
560                     default:
561                               i2c.hw_capable = false;
562                               break;
563                     }
564                     break;
565           case CHIP_R200:
566                     switch (ddc_line) {
567                     case RADEON_GPIO_DVI_DDC:
568                     case RADEON_GPIO_MONID:
569                               i2c.hw_capable = true;
570                               break;
571                     default:
572                               i2c.hw_capable = false;
573                               break;
574                     }
575                     break;
576           case CHIP_RV250:
577           case CHIP_RV280:
578                     switch (ddc_line) {
579                     case RADEON_GPIO_VGA_DDC:
580                     case RADEON_GPIO_DVI_DDC:
581                     case RADEON_GPIO_CRT2_DDC:
582                               i2c.hw_capable = true;
583                               break;
584                     default:
585                               i2c.hw_capable = false;
586                               break;
587                     }
588                     break;
589           case CHIP_R300:
590           case CHIP_R350:
591                     switch (ddc_line) {
592                     case RADEON_GPIO_VGA_DDC:
593                     case RADEON_GPIO_DVI_DDC:
594                               i2c.hw_capable = true;
595                               break;
596                     default:
597                               i2c.hw_capable = false;
598                               break;
599                     }
600                     break;
601           case CHIP_RV350:
602           case CHIP_RV380:
603           case CHIP_RS400:
604           case CHIP_RS480:
605                     switch (ddc_line) {
606                     case RADEON_GPIO_VGA_DDC:
607                     case RADEON_GPIO_DVI_DDC:
608                               i2c.hw_capable = true;
609                               break;
610                     case RADEON_GPIO_MONID:
611                               /* hw i2c on RADEON_GPIO_MONID doesn't seem to work
612                                * reliably on some pre-r4xx hardware; not sure why.
613                                */
614                               i2c.hw_capable = false;
615                               break;
616                     default:
617                               i2c.hw_capable = false;
618                               break;
619                     }
620                     break;
621           default:
622                     i2c.hw_capable = false;
623                     break;
624           }
625           i2c.mm_i2c = false;
626 
627           i2c.i2c_id = ddc;
628           i2c.hpd = RADEON_HPD_NONE;
629 
630           if (ddc_line)
631                     i2c.valid = true;
632           else
633                     i2c.valid = false;
634 
635           return i2c;
636 }
637 
radeon_combios_get_i2c_info_from_table(struct radeon_device * rdev)638 static struct radeon_i2c_bus_rec radeon_combios_get_i2c_info_from_table(struct radeon_device *rdev)
639 {
640           struct drm_device *dev = rdev->ddev;
641           struct radeon_i2c_bus_rec i2c;
642           u16 offset;
643           u8 id, blocks, clk, data;
644           int i;
645 
646           i2c.valid = false;
647 
648           offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE);
649           if (offset) {
650                     blocks = RBIOS8(offset + 2);
651                     for (i = 0; i < blocks; i++) {
652                               id = RBIOS8(offset + 3 + (i * 5) + 0);
653                               if (id == 136) {
654                                         clk = RBIOS8(offset + 3 + (i * 5) + 3);
655                                         data = RBIOS8(offset + 3 + (i * 5) + 4);
656                                         /* gpiopad */
657                                         i2c = combios_setup_i2c_bus(rdev, DDC_MONID,
658                                                                           (1 << clk), (1 << data));
659                                         break;
660                               }
661                     }
662           }
663           return i2c;
664 }
665 
radeon_combios_i2c_init(struct radeon_device * rdev)666 void radeon_combios_i2c_init(struct radeon_device *rdev)
667 {
668           struct drm_device *dev = rdev->ddev;
669           struct radeon_i2c_bus_rec i2c;
670 
671           /* actual hw pads
672            * r1xx/rs2xx/rs3xx
673            * 0x60, 0x64, 0x68, 0x6c, gpiopads, mm
674            * r200
675            * 0x60, 0x64, 0x68, mm
676            * r300/r350
677            * 0x60, 0x64, mm
678            * rv2xx/rv3xx/rs4xx
679            * 0x60, 0x64, 0x68, gpiopads, mm
680            */
681 
682           /* 0x60 */
683           i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
684           rdev->i2c_bus[0] = radeon_i2c_create(dev, &i2c, "DVI_DDC");
685           /* 0x64 */
686           i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
687           rdev->i2c_bus[1] = radeon_i2c_create(dev, &i2c, "VGA_DDC");
688 
689           /* mm i2c */
690           i2c.valid = true;
691           i2c.hw_capable = true;
692           i2c.mm_i2c = true;
693           i2c.i2c_id = 0xa0;
694           rdev->i2c_bus[2] = radeon_i2c_create(dev, &i2c, "MM_I2C");
695 
696           if (rdev->family == CHIP_R300 ||
697               rdev->family == CHIP_R350) {
698                     /* only 2 sw i2c pads */
699           } else if (rdev->family == CHIP_RS300 ||
700                        rdev->family == CHIP_RS400 ||
701                        rdev->family == CHIP_RS480) {
702                     /* 0x68 */
703                     i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
704                     rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
705 
706                     /* gpiopad */
707                     i2c = radeon_combios_get_i2c_info_from_table(rdev);
708                     if (i2c.valid)
709                               rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "GPIOPAD_MASK");
710           } else if ((rdev->family == CHIP_R200) ||
711                        (rdev->family >= CHIP_R300)) {
712                     /* 0x68 */
713                     i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
714                     rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
715           } else {
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                     /* 0x6c */
720                     i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
721                     rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "CRT2_DDC");
722           }
723 }
724 
radeon_combios_get_clock_info(struct drm_device * dev)725 bool radeon_combios_get_clock_info(struct drm_device *dev)
726 {
727           struct radeon_device *rdev = dev->dev_private;
728           uint16_t pll_info;
729           struct radeon_pll *p1pll = &rdev->clock.p1pll;
730           struct radeon_pll *p2pll = &rdev->clock.p2pll;
731           struct radeon_pll *spll = &rdev->clock.spll;
732           struct radeon_pll *mpll = &rdev->clock.mpll;
733           int8_t rev;
734           uint16_t sclk, mclk;
735 
736           pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
737           if (pll_info) {
738                     rev = RBIOS8(pll_info);
739 
740                     /* pixel clocks */
741                     p1pll->reference_freq = RBIOS16(pll_info + 0xe);
742                     p1pll->reference_div = RBIOS16(pll_info + 0x10);
743                     p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
744                     p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
745                     p1pll->lcd_pll_out_min = p1pll->pll_out_min;
746                     p1pll->lcd_pll_out_max = p1pll->pll_out_max;
747 
748                     if (rev > 9) {
749                               p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
750                               p1pll->pll_in_max = RBIOS32(pll_info + 0x3a);
751                     } else {
752                               p1pll->pll_in_min = 40;
753                               p1pll->pll_in_max = 500;
754                     }
755                     *p2pll = *p1pll;
756 
757                     /* system clock */
758                     spll->reference_freq = RBIOS16(pll_info + 0x1a);
759                     spll->reference_div = RBIOS16(pll_info + 0x1c);
760                     spll->pll_out_min = RBIOS32(pll_info + 0x1e);
761                     spll->pll_out_max = RBIOS32(pll_info + 0x22);
762 
763                     if (rev > 10) {
764                               spll->pll_in_min = RBIOS32(pll_info + 0x48);
765                               spll->pll_in_max = RBIOS32(pll_info + 0x4c);
766                     } else {
767                               /* ??? */
768                               spll->pll_in_min = 40;
769                               spll->pll_in_max = 500;
770                     }
771 
772                     /* memory clock */
773                     mpll->reference_freq = RBIOS16(pll_info + 0x26);
774                     mpll->reference_div = RBIOS16(pll_info + 0x28);
775                     mpll->pll_out_min = RBIOS32(pll_info + 0x2a);
776                     mpll->pll_out_max = RBIOS32(pll_info + 0x2e);
777 
778                     if (rev > 10) {
779                               mpll->pll_in_min = RBIOS32(pll_info + 0x5a);
780                               mpll->pll_in_max = RBIOS32(pll_info + 0x5e);
781                     } else {
782                               /* ??? */
783                               mpll->pll_in_min = 40;
784                               mpll->pll_in_max = 500;
785                     }
786 
787                     /* default sclk/mclk */
788                     sclk = RBIOS16(pll_info + 0xa);
789                     mclk = RBIOS16(pll_info + 0x8);
790                     if (sclk == 0)
791                               sclk = 200 * 100;
792                     if (mclk == 0)
793                               mclk = 200 * 100;
794 
795                     rdev->clock.default_sclk = sclk;
796                     rdev->clock.default_mclk = mclk;
797 
798                     if (RBIOS32(pll_info + 0x16))
799                               rdev->clock.max_pixel_clock = RBIOS32(pll_info + 0x16);
800                     else
801                               rdev->clock.max_pixel_clock = 35000; /* might need something asic specific */
802 
803                     return true;
804           }
805           return false;
806 }
807 
radeon_combios_sideport_present(struct radeon_device * rdev)808 bool radeon_combios_sideport_present(struct radeon_device *rdev)
809 {
810           struct drm_device *dev = rdev->ddev;
811           u16 igp_info;
812 
813           /* sideport is AMD only */
814           if (rdev->family == CHIP_RS400)
815                     return false;
816 
817           igp_info = combios_get_table_offset(dev, COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE);
818 
819           if (igp_info) {
820                     if (RBIOS16(igp_info + 0x4))
821                               return true;
822           }
823           return false;
824 }
825 
826 static const uint32_t default_primarydac_adj[CHIP_LAST] = {
827           0x00000808,                   /* r100  */
828           0x00000808,                   /* rv100 */
829           0x00000808,                   /* rs100 */
830           0x00000808,                   /* rv200 */
831           0x00000808,                   /* rs200 */
832           0x00000808,                   /* r200  */
833           0x00000808,                   /* rv250 */
834           0x00000000,                   /* rs300 */
835           0x00000808,                   /* rv280 */
836           0x00000808,                   /* r300  */
837           0x00000808,                   /* r350  */
838           0x00000808,                   /* rv350 */
839           0x00000808,                   /* rv380 */
840           0x00000808,                   /* r420  */
841           0x00000808,                   /* r423  */
842           0x00000808,                   /* rv410 */
843           0x00000000,                   /* rs400 */
844           0x00000000,                   /* rs480 */
845 };
846 
radeon_legacy_get_primary_dac_info_from_table(struct radeon_device * rdev,struct radeon_encoder_primary_dac * p_dac)847 static void radeon_legacy_get_primary_dac_info_from_table(struct radeon_device *rdev,
848                                                                         struct radeon_encoder_primary_dac *p_dac)
849 {
850           p_dac->ps2_pdac_adj = default_primarydac_adj[rdev->family];
851           return;
852 }
853 
radeon_combios_get_primary_dac_info(struct radeon_encoder * encoder)854 struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
855                                                                                        radeon_encoder
856                                                                                        *encoder)
857 {
858           struct drm_device *dev = encoder->base.dev;
859           struct radeon_device *rdev = dev->dev_private;
860           uint16_t dac_info;
861           uint8_t rev, bg, dac;
862           struct radeon_encoder_primary_dac *p_dac = NULL;
863           int found = 0;
864 
865           p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac),
866                               GFP_KERNEL);
867 
868           if (!p_dac)
869                     return NULL;
870 
871           /* check CRT table */
872           dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
873           if (dac_info) {
874                     rev = RBIOS8(dac_info) & 0x3;
875                     if (rev < 2) {
876                               bg = RBIOS8(dac_info + 0x2) & 0xf;
877                               dac = (RBIOS8(dac_info + 0x2) >> 4) & 0xf;
878                               p_dac->ps2_pdac_adj = (bg << 8) | (dac);
879                     } else {
880                               bg = RBIOS8(dac_info + 0x2) & 0xf;
881                               dac = RBIOS8(dac_info + 0x3) & 0xf;
882                               p_dac->ps2_pdac_adj = (bg << 8) | (dac);
883                     }
884                     /* if the values are zeros, use the table */
885                     if ((dac == 0) || (bg == 0))
886                               found = 0;
887                     else
888                               found = 1;
889           }
890 
891           /* quirks */
892           /* Radeon 7000 (RV100) */
893           if (((dev->pdev->device == 0x5159) &&
894               (dev->pdev->subsystem_vendor == 0x174B) &&
895               (dev->pdev->subsystem_device == 0x7c28)) ||
896           /* Radeon 9100 (R200) */
897              ((dev->pdev->device == 0x514D) &&
898               (dev->pdev->subsystem_vendor == 0x174B) &&
899               (dev->pdev->subsystem_device == 0x7149))) {
900                     /* vbios value is bad, use the default */
901                     found = 0;
902           }
903 
904           if (!found) /* fallback to defaults */
905                     radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac);
906 
907           return p_dac;
908 }
909 
910 enum radeon_tv_std
radeon_combios_get_tv_info(struct radeon_device * rdev)911 radeon_combios_get_tv_info(struct radeon_device *rdev)
912 {
913           struct drm_device *dev = rdev->ddev;
914           uint16_t tv_info;
915           enum radeon_tv_std tv_std = TV_STD_NTSC;
916 
917           tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
918           if (tv_info) {
919                     if (RBIOS8(tv_info + 6) == 'T') {
920                               switch (RBIOS8(tv_info + 7) & 0xf) {
921                               case 1:
922                                         tv_std = TV_STD_NTSC;
923                                         DRM_DEBUG_KMS("Default TV standard: NTSC\n");
924                                         break;
925                               case 2:
926                                         tv_std = TV_STD_PAL;
927                                         DRM_DEBUG_KMS("Default TV standard: PAL\n");
928                                         break;
929                               case 3:
930                                         tv_std = TV_STD_PAL_M;
931                                         DRM_DEBUG_KMS("Default TV standard: PAL-M\n");
932                                         break;
933                               case 4:
934                                         tv_std = TV_STD_PAL_60;
935                                         DRM_DEBUG_KMS("Default TV standard: PAL-60\n");
936                                         break;
937                               case 5:
938                                         tv_std = TV_STD_NTSC_J;
939                                         DRM_DEBUG_KMS("Default TV standard: NTSC-J\n");
940                                         break;
941                               case 6:
942                                         tv_std = TV_STD_SCART_PAL;
943                                         DRM_DEBUG_KMS("Default TV standard: SCART-PAL\n");
944                                         break;
945                               default:
946                                         tv_std = TV_STD_NTSC;
947                                         DRM_DEBUG_KMS
948                                             ("Unknown TV standard; defaulting to NTSC\n");
949                                         break;
950                               }
951 
952                               switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
953                               case 0:
954                                         DRM_DEBUG_KMS("29.498928713 MHz TV ref clk\n");
955                                         break;
956                               case 1:
957                                         DRM_DEBUG_KMS("28.636360000 MHz TV ref clk\n");
958                                         break;
959                               case 2:
960                                         DRM_DEBUG_KMS("14.318180000 MHz TV ref clk\n");
961                                         break;
962                               case 3:
963                                         DRM_DEBUG_KMS("27.000000000 MHz TV ref clk\n");
964                                         break;
965                               default:
966                                         break;
967                               }
968                     }
969           }
970           return tv_std;
971 }
972 
973 static const uint32_t default_tvdac_adj[CHIP_LAST] = {
974           0x00000000,                   /* r100  */
975           0x00280000,                   /* rv100 */
976           0x00000000,                   /* rs100 */
977           0x00880000,                   /* rv200 */
978           0x00000000,                   /* rs200 */
979           0x00000000,                   /* r200  */
980           0x00770000,                   /* rv250 */
981           0x00290000,                   /* rs300 */
982           0x00560000,                   /* rv280 */
983           0x00780000,                   /* r300  */
984           0x00770000,                   /* r350  */
985           0x00780000,                   /* rv350 */
986           0x00780000,                   /* rv380 */
987           0x01080000,                   /* r420  */
988           0x01080000,                   /* r423  */
989           0x01080000,                   /* rv410 */
990           0x00780000,                   /* rs400 */
991           0x00780000,                   /* rs480 */
992 };
993 
radeon_legacy_get_tv_dac_info_from_table(struct radeon_device * rdev,struct radeon_encoder_tv_dac * tv_dac)994 static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
995                                                                  struct radeon_encoder_tv_dac *tv_dac)
996 {
997           tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
998           if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
999                     tv_dac->ps2_tvdac_adj = 0x00880000;
1000           tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1001           tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1002           return;
1003 }
1004 
radeon_combios_get_tv_dac_info(struct radeon_encoder * encoder)1005 struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
1006                                                                            radeon_encoder
1007                                                                            *encoder)
1008 {
1009           struct drm_device *dev = encoder->base.dev;
1010           struct radeon_device *rdev = dev->dev_private;
1011           uint16_t dac_info;
1012           uint8_t rev, bg, dac;
1013           struct radeon_encoder_tv_dac *tv_dac = NULL;
1014           int found = 0;
1015 
1016           tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
1017           if (!tv_dac)
1018                     return NULL;
1019 
1020           /* first check TV table */
1021           dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
1022           if (dac_info) {
1023                     rev = RBIOS8(dac_info + 0x3);
1024                     if (rev > 4) {
1025                               bg = RBIOS8(dac_info + 0xc) & 0xf;
1026                               dac = RBIOS8(dac_info + 0xd) & 0xf;
1027                               tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1028 
1029                               bg = RBIOS8(dac_info + 0xe) & 0xf;
1030                               dac = RBIOS8(dac_info + 0xf) & 0xf;
1031                               tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1032 
1033                               bg = RBIOS8(dac_info + 0x10) & 0xf;
1034                               dac = RBIOS8(dac_info + 0x11) & 0xf;
1035                               tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1036                               /* if the values are all zeros, use the table */
1037                               if (tv_dac->ps2_tvdac_adj)
1038                                         found = 1;
1039                     } else if (rev > 1) {
1040                               bg = RBIOS8(dac_info + 0xc) & 0xf;
1041                               dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
1042                               tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1043 
1044                               bg = RBIOS8(dac_info + 0xd) & 0xf;
1045                               dac = (RBIOS8(dac_info + 0xd) >> 4) & 0xf;
1046                               tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1047 
1048                               bg = RBIOS8(dac_info + 0xe) & 0xf;
1049                               dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
1050                               tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1051                               /* if the values are all zeros, use the table */
1052                               if (tv_dac->ps2_tvdac_adj)
1053                                         found = 1;
1054                     }
1055                     tv_dac->tv_std = radeon_combios_get_tv_info(rdev);
1056           }
1057           if (!found) {
1058                     /* then check CRT table */
1059                     dac_info =
1060                         combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
1061                     if (dac_info) {
1062                               rev = RBIOS8(dac_info) & 0x3;
1063                               if (rev < 2) {
1064                                         bg = RBIOS8(dac_info + 0x3) & 0xf;
1065                                         dac = (RBIOS8(dac_info + 0x3) >> 4) & 0xf;
1066                                         tv_dac->ps2_tvdac_adj =
1067                                             (bg << 16) | (dac << 20);
1068                                         tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1069                                         tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1070                                         /* if the values are all zeros, use the table */
1071                                         if (tv_dac->ps2_tvdac_adj)
1072                                                   found = 1;
1073                               } else {
1074                                         bg = RBIOS8(dac_info + 0x4) & 0xf;
1075                                         dac = RBIOS8(dac_info + 0x5) & 0xf;
1076                                         tv_dac->ps2_tvdac_adj =
1077                                             (bg << 16) | (dac << 20);
1078                                         tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1079                                         tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1080                                         /* if the values are all zeros, use the table */
1081                                         if (tv_dac->ps2_tvdac_adj)
1082                                                   found = 1;
1083                               }
1084                     } else {
1085                               DRM_INFO("No TV DAC info found in BIOS\n");
1086                     }
1087           }
1088 
1089           if (!found) /* fallback to defaults */
1090                     radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
1091 
1092           return tv_dac;
1093 }
1094 
radeon_legacy_get_lvds_info_from_regs(struct radeon_device * rdev)1095 static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
1096                                                                                            radeon_device
1097                                                                                            *rdev)
1098 {
1099           struct radeon_encoder_lvds *lvds = NULL;
1100           uint32_t fp_vert_stretch, fp_horz_stretch;
1101           uint32_t ppll_div_sel, ppll_val;
1102           uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
1103 
1104           lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1105 
1106           if (!lvds)
1107                     return NULL;
1108 
1109           fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH);
1110           fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH);
1111 
1112           /* These should be fail-safe defaults, fingers crossed */
1113           lvds->panel_pwr_delay = 200;
1114           lvds->panel_vcc_delay = 2000;
1115 
1116           lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
1117           lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf;
1118           lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf;
1119 
1120           if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
1121                     lvds->native_mode.vdisplay =
1122                         ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
1123                          RADEON_VERT_PANEL_SHIFT) + 1;
1124           else
1125                     lvds->native_mode.vdisplay =
1126                         (RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;
1127 
1128           if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
1129                     lvds->native_mode.hdisplay =
1130                         (((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
1131                           RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
1132           else
1133                     lvds->native_mode.hdisplay =
1134                         ((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;
1135 
1136           if ((lvds->native_mode.hdisplay < 640) ||
1137               (lvds->native_mode.vdisplay < 480)) {
1138                     lvds->native_mode.hdisplay = 640;
1139                     lvds->native_mode.vdisplay = 480;
1140           }
1141 
1142           ppll_div_sel = RREG8(RADEON_CLOCK_CNTL_INDEX + 1) & 0x3;
1143           ppll_val = RREG32_PLL(RADEON_PPLL_DIV_0 + ppll_div_sel);
1144           if ((ppll_val & 0x000707ff) == 0x1bb)
1145                     lvds->use_bios_dividers = false;
1146           else {
1147                     lvds->panel_ref_divider =
1148                         RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
1149                     lvds->panel_post_divider = (ppll_val >> 16) & 0x7;
1150                     lvds->panel_fb_divider = ppll_val & 0x7ff;
1151 
1152                     if ((lvds->panel_ref_divider != 0) &&
1153                         (lvds->panel_fb_divider > 3))
1154                               lvds->use_bios_dividers = true;
1155           }
1156           lvds->panel_vcc_delay = 200;
1157 
1158           DRM_INFO("Panel info derived from registers\n");
1159           DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1160                      lvds->native_mode.vdisplay);
1161 
1162           return lvds;
1163 }
1164 
radeon_combios_get_lvds_info(struct radeon_encoder * encoder)1165 struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
1166                                                                        *encoder)
1167 {
1168           struct drm_device *dev = encoder->base.dev;
1169           struct radeon_device *rdev = dev->dev_private;
1170           uint16_t lcd_info;
1171           uint32_t panel_setup;
1172           char stmp[30];
1173           int tmp, i;
1174           struct radeon_encoder_lvds *lvds = NULL;
1175 
1176           lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
1177 
1178           if (lcd_info) {
1179                     lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1180 
1181                     if (!lvds)
1182                               return NULL;
1183 
1184                     for (i = 0; i < 24; i++)
1185                               stmp[i] = RBIOS8(lcd_info + i + 1);
1186                     stmp[24] = 0;
1187 
1188                     DRM_INFO("Panel ID String: %s\n", stmp);
1189 
1190                     lvds->native_mode.hdisplay = RBIOS16(lcd_info + 0x19);
1191                     lvds->native_mode.vdisplay = RBIOS16(lcd_info + 0x1b);
1192 
1193                     DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1194                                lvds->native_mode.vdisplay);
1195 
1196                     lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
1197                     lvds->panel_vcc_delay = min_t(u16, lvds->panel_vcc_delay, 2000);
1198 
1199                     lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24);
1200                     lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf;
1201                     lvds->panel_blon_delay = (RBIOS16(lcd_info + 0x38) >> 4) & 0xf;
1202 
1203                     lvds->panel_ref_divider = RBIOS16(lcd_info + 0x2e);
1204                     lvds->panel_post_divider = RBIOS8(lcd_info + 0x30);
1205                     lvds->panel_fb_divider = RBIOS16(lcd_info + 0x31);
1206                     if ((lvds->panel_ref_divider != 0) &&
1207                         (lvds->panel_fb_divider > 3))
1208                               lvds->use_bios_dividers = true;
1209 
1210                     panel_setup = RBIOS32(lcd_info + 0x39);
1211                     lvds->lvds_gen_cntl = 0xff00;
1212                     if (panel_setup & 0x1)
1213                               lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
1214 
1215                     if ((panel_setup >> 4) & 0x1)
1216                               lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
1217 
1218                     switch ((panel_setup >> 8) & 0x7) {
1219                     case 0:
1220                               lvds->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
1221                               break;
1222                     case 1:
1223                               lvds->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
1224                               break;
1225                     case 2:
1226                               lvds->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
1227                               break;
1228                     default:
1229                               break;
1230                     }
1231 
1232                     if ((panel_setup >> 16) & 0x1)
1233                               lvds->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
1234 
1235                     if ((panel_setup >> 17) & 0x1)
1236                               lvds->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
1237 
1238                     if ((panel_setup >> 18) & 0x1)
1239                               lvds->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
1240 
1241                     if ((panel_setup >> 23) & 0x1)
1242                               lvds->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
1243 
1244                     lvds->lvds_gen_cntl |= (panel_setup & 0xf0000000);
1245 
1246                     for (i = 0; i < 32; i++) {
1247                               tmp = RBIOS16(lcd_info + 64 + i * 2);
1248                               if (tmp == 0)
1249                                         break;
1250 
1251                               if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
1252                                   (RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) {
1253                                         u32 hss = (RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8;
1254 
1255                                         if (hss > lvds->native_mode.hdisplay)
1256                                                   hss = (10 - 1) * 8;
1257 
1258                                         lvds->native_mode.htotal = lvds->native_mode.hdisplay +
1259                                                   (RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8;
1260                                         lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
1261                                                   hss;
1262                                         lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
1263                                                   (RBIOS8(tmp + 23) * 8);
1264 
1265                                         lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
1266                                                   (RBIOS16(tmp + 24) - RBIOS16(tmp + 26));
1267                                         lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
1268                                                   ((RBIOS16(tmp + 28) & 0x7ff) - RBIOS16(tmp + 26));
1269                                         lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
1270                                                   ((RBIOS16(tmp + 28) & 0xf800) >> 11);
1271 
1272                                         lvds->native_mode.clock = RBIOS16(tmp + 9) * 10;
1273                                         lvds->native_mode.flags = 0;
1274                                         /* set crtc values */
1275                                         drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
1276 
1277                               }
1278                     }
1279           } else {
1280                     DRM_INFO("No panel info found in BIOS\n");
1281                     lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
1282           }
1283 
1284           if (lvds)
1285                     encoder->native_mode = lvds->native_mode;
1286           return lvds;
1287 }
1288 
1289 static const struct radeon_tmds_pll default_tmds_pll[CHIP_LAST][4] = {
1290           {{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},      /* CHIP_R100  */
1291           {{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},      /* CHIP_RV100 */
1292           {{0, 0}, {0, 0}, {0, 0}, {0, 0}},       /* CHIP_RS100 */
1293           {{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},      /* CHIP_RV200 */
1294           {{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},      /* CHIP_RS200 */
1295           {{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},      /* CHIP_R200  */
1296           {{15500, 0x81b}, {0xffffffff, 0x83f}, {0, 0}, {0, 0}},      /* CHIP_RV250 */
1297           {{0, 0}, {0, 0}, {0, 0}, {0, 0}},       /* CHIP_RS300 */
1298           {{13000, 0x400f4}, {15000, 0x400f7}, {0xffffffff, 0x40111}, {0, 0}},  /* CHIP_RV280 */
1299           {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},  /* CHIP_R300  */
1300           {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},  /* CHIP_R350  */
1301           {{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},  /* CHIP_RV350 */
1302           {{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},  /* CHIP_RV380 */
1303           {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},  /* CHIP_R420  */
1304           {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},  /* CHIP_R423  */
1305           {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},  /* CHIP_RV410 */
1306           { {0, 0}, {0, 0}, {0, 0}, {0, 0} },     /* CHIP_RS400 */
1307           { {0, 0}, {0, 0}, {0, 0}, {0, 0} },     /* CHIP_RS480 */
1308 };
1309 
radeon_legacy_get_tmds_info_from_table(struct radeon_encoder * encoder,struct radeon_encoder_int_tmds * tmds)1310 bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
1311                                                       struct radeon_encoder_int_tmds *tmds)
1312 {
1313           struct drm_device *dev = encoder->base.dev;
1314           struct radeon_device *rdev = dev->dev_private;
1315           int i;
1316 
1317           for (i = 0; i < 4; i++) {
1318                     tmds->tmds_pll[i].value =
1319                               default_tmds_pll[rdev->family][i].value;
1320                     tmds->tmds_pll[i].freq = default_tmds_pll[rdev->family][i].freq;
1321           }
1322 
1323           return true;
1324 }
1325 
radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder * encoder,struct radeon_encoder_int_tmds * tmds)1326 bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
1327                                                         struct radeon_encoder_int_tmds *tmds)
1328 {
1329           struct drm_device *dev = encoder->base.dev;
1330           struct radeon_device *rdev = dev->dev_private;
1331           uint16_t tmds_info;
1332           int i, n;
1333           uint8_t ver;
1334 
1335           tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1336 
1337           if (tmds_info) {
1338                     ver = RBIOS8(tmds_info);
1339                     DRM_DEBUG_KMS("DFP table revision: %d\n", ver);
1340                     if (ver == 3) {
1341                               n = RBIOS8(tmds_info + 5) + 1;
1342                               if (n > 4)
1343                                         n = 4;
1344                               for (i = 0; i < n; i++) {
1345                                         tmds->tmds_pll[i].value =
1346                                             RBIOS32(tmds_info + i * 10 + 0x08);
1347                                         tmds->tmds_pll[i].freq =
1348                                             RBIOS16(tmds_info + i * 10 + 0x10);
1349                                         DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1350                                                     tmds->tmds_pll[i].freq,
1351                                                     tmds->tmds_pll[i].value);
1352                               }
1353                     } else if (ver == 4) {
1354                               int stride = 0;
1355                               n = RBIOS8(tmds_info + 5) + 1;
1356                               if (n > 4)
1357                                         n = 4;
1358                               for (i = 0; i < n; i++) {
1359                                         tmds->tmds_pll[i].value =
1360                                             RBIOS32(tmds_info + stride + 0x08);
1361                                         tmds->tmds_pll[i].freq =
1362                                             RBIOS16(tmds_info + stride + 0x10);
1363                                         if (i == 0)
1364                                                   stride += 10;
1365                                         else
1366                                                   stride += 6;
1367                                         DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1368                                                     tmds->tmds_pll[i].freq,
1369                                                     tmds->tmds_pll[i].value);
1370                               }
1371                     }
1372           } else {
1373                     DRM_INFO("No TMDS info found in BIOS\n");
1374                     return false;
1375           }
1376           return true;
1377 }
1378 
radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder * encoder,struct radeon_encoder_ext_tmds * tmds)1379 bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
1380                                                             struct radeon_encoder_ext_tmds *tmds)
1381 {
1382           struct drm_device *dev = encoder->base.dev;
1383           struct radeon_device *rdev = dev->dev_private;
1384           struct radeon_i2c_bus_rec i2c_bus;
1385 
1386           /* default for macs */
1387           i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1388           tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1389 
1390           /* XXX some macs have duallink chips */
1391           switch (rdev->mode_info.connector_table) {
1392           case CT_POWERBOOK_EXTERNAL:
1393           case CT_MINI_EXTERNAL:
1394           default:
1395                     tmds->dvo_chip = DVO_SIL164;
1396                     tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1397                     break;
1398           }
1399 
1400           return true;
1401 }
1402 
radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder * encoder,struct radeon_encoder_ext_tmds * tmds)1403 bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
1404                                                               struct radeon_encoder_ext_tmds *tmds)
1405 {
1406           struct drm_device *dev = encoder->base.dev;
1407           struct radeon_device *rdev = dev->dev_private;
1408           uint16_t offset;
1409           uint8_t ver;
1410           enum radeon_combios_ddc gpio;
1411           struct radeon_i2c_bus_rec i2c_bus;
1412 
1413           tmds->i2c_bus = NULL;
1414           if (rdev->flags & RADEON_IS_IGP) {
1415                     i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1416                     tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1417                     tmds->dvo_chip = DVO_SIL164;
1418                     tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1419           } else {
1420                     offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
1421                     if (offset) {
1422                               ver = RBIOS8(offset);
1423                               DRM_DEBUG_KMS("External TMDS Table revision: %d\n", ver);
1424                               tmds->slave_addr = RBIOS8(offset + 4 + 2);
1425                               tmds->slave_addr >>= 1; /* 7 bit addressing */
1426                               gpio = RBIOS8(offset + 4 + 3);
1427                               if (gpio == DDC_LCD) {
1428                                         /* MM i2c */
1429                                         i2c_bus.valid = true;
1430                                         i2c_bus.hw_capable = true;
1431                                         i2c_bus.mm_i2c = true;
1432                                         i2c_bus.i2c_id = 0xa0;
1433                               } else
1434                                         i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
1435                               tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1436                     }
1437           }
1438 
1439           if (!tmds->i2c_bus) {
1440                     DRM_INFO("No valid Ext TMDS info found in BIOS\n");
1441                     return false;
1442           }
1443 
1444           return true;
1445 }
1446 
radeon_get_legacy_connector_info_from_table(struct drm_device * dev)1447 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
1448 {
1449           struct radeon_device *rdev = dev->dev_private;
1450           struct radeon_i2c_bus_rec ddc_i2c;
1451           struct radeon_hpd hpd;
1452 
1453           rdev->mode_info.connector_table = radeon_connector_table;
1454           if (rdev->mode_info.connector_table == CT_NONE) {
1455 #ifdef CONFIG_PPC_PMAC
1456                     if (of_machine_is_compatible("PowerBook3,3")) {
1457                               /* powerbook with VGA */
1458                               rdev->mode_info.connector_table = CT_POWERBOOK_VGA;
1459                     } else if (of_machine_is_compatible("PowerBook3,4") ||
1460                                  of_machine_is_compatible("PowerBook3,5")) {
1461                               /* powerbook with internal tmds */
1462                               rdev->mode_info.connector_table = CT_POWERBOOK_INTERNAL;
1463                     } else if (of_machine_is_compatible("PowerBook5,1") ||
1464                                  of_machine_is_compatible("PowerBook5,2") ||
1465                                  of_machine_is_compatible("PowerBook5,3") ||
1466                                  of_machine_is_compatible("PowerBook5,4") ||
1467                                  of_machine_is_compatible("PowerBook5,5")) {
1468                               /* powerbook with external single link tmds (sil164) */
1469                               rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1470                     } else if (of_machine_is_compatible("PowerBook5,6")) {
1471                               /* powerbook with external dual or single link tmds */
1472                               rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1473                     } else if (of_machine_is_compatible("PowerBook5,7") ||
1474                                  of_machine_is_compatible("PowerBook5,8") ||
1475                                  of_machine_is_compatible("PowerBook5,9")) {
1476                               /* PowerBook6,2 ? */
1477                               /* powerbook with external dual link tmds (sil1178?) */
1478                               rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1479                     } else if (of_machine_is_compatible("PowerBook4,1") ||
1480                                  of_machine_is_compatible("PowerBook4,2") ||
1481                                  of_machine_is_compatible("PowerBook4,3") ||
1482                                  of_machine_is_compatible("PowerBook6,3") ||
1483                                  of_machine_is_compatible("PowerBook6,5") ||
1484                                  of_machine_is_compatible("PowerBook6,7")) {
1485                               /* ibook */
1486                               rdev->mode_info.connector_table = CT_IBOOK;
1487                     } else if (of_machine_is_compatible("PowerMac3,5")) {
1488                               /* PowerMac G4 Silver radeon 7500 */
1489                               rdev->mode_info.connector_table = CT_MAC_G4_SILVER;
1490                     } else if (of_machine_is_compatible("PowerMac4,4")) {
1491                               /* emac */
1492                               rdev->mode_info.connector_table = CT_EMAC;
1493                     } else if (of_machine_is_compatible("PowerMac10,1")) {
1494                               /* mini with internal tmds */
1495                               rdev->mode_info.connector_table = CT_MINI_INTERNAL;
1496                     } else if (of_machine_is_compatible("PowerMac10,2")) {
1497                               /* mini with external tmds */
1498                               rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
1499                     } else if (of_machine_is_compatible("PowerMac12,1")) {
1500                               /* PowerMac8,1 ? */
1501                               /* imac g5 isight */
1502                               rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
1503                     } else if ((rdev->pdev->device == 0x4a48) &&
1504                                  (rdev->pdev->subsystem_vendor == 0x1002) &&
1505                                  (rdev->pdev->subsystem_device == 0x4a48)) {
1506                               /* Mac X800 */
1507                               rdev->mode_info.connector_table = CT_MAC_X800;
1508                     } else if ((of_machine_is_compatible("PowerMac7,2") ||
1509                                   of_machine_is_compatible("PowerMac7,3")) &&
1510                                  (rdev->pdev->device == 0x4150) &&
1511                                  (rdev->pdev->subsystem_vendor == 0x1002) &&
1512                                  (rdev->pdev->subsystem_device == 0x4150)) {
1513                               /* Mac G5 tower 9600 */
1514                               rdev->mode_info.connector_table = CT_MAC_G5_9600;
1515                     } else if ((rdev->pdev->device == 0x4c66) &&
1516                                  (rdev->pdev->subsystem_vendor == 0x1002) &&
1517                                  (rdev->pdev->subsystem_device == 0x4c66)) {
1518                               /* SAM440ep RV250 embedded board */
1519                               rdev->mode_info.connector_table = CT_SAM440EP;
1520                     } else
1521 #endif /* CONFIG_PPC_PMAC */
1522 #ifdef CONFIG_PPC64
1523                     if (ASIC_IS_RN50(rdev))
1524                               rdev->mode_info.connector_table = CT_RN50_POWER;
1525                     else
1526 #endif
1527                               rdev->mode_info.connector_table = CT_GENERIC;
1528           }
1529 
1530           switch (rdev->mode_info.connector_table) {
1531           case CT_GENERIC:
1532                     DRM_INFO("Connector Table: %d (generic)\n",
1533                                rdev->mode_info.connector_table);
1534                     /* these are the most common settings */
1535                     if (rdev->flags & RADEON_SINGLE_CRTC) {
1536                               /* VGA - primary dac */
1537                               ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1538                               hpd.hpd = RADEON_HPD_NONE;
1539                               radeon_add_legacy_encoder(dev,
1540                                                               radeon_get_encoder_enum(dev,
1541                                                                                           ATOM_DEVICE_CRT1_SUPPORT,
1542                                                                                           1),
1543                                                               ATOM_DEVICE_CRT1_SUPPORT);
1544                               radeon_add_legacy_connector(dev, 0,
1545                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1546                                                                 DRM_MODE_CONNECTOR_VGA,
1547                                                                 &ddc_i2c,
1548                                                                 CONNECTOR_OBJECT_ID_VGA,
1549                                                                 &hpd);
1550                     } else if (rdev->flags & RADEON_IS_MOBILITY) {
1551                               /* LVDS */
1552                               ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
1553                               hpd.hpd = RADEON_HPD_NONE;
1554                               radeon_add_legacy_encoder(dev,
1555                                                               radeon_get_encoder_enum(dev,
1556                                                                                           ATOM_DEVICE_LCD1_SUPPORT,
1557                                                                                           0),
1558                                                               ATOM_DEVICE_LCD1_SUPPORT);
1559                               radeon_add_legacy_connector(dev, 0,
1560                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1561                                                                 DRM_MODE_CONNECTOR_LVDS,
1562                                                                 &ddc_i2c,
1563                                                                 CONNECTOR_OBJECT_ID_LVDS,
1564                                                                 &hpd);
1565 
1566                               /* VGA - primary dac */
1567                               ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1568                               hpd.hpd = RADEON_HPD_NONE;
1569                               radeon_add_legacy_encoder(dev,
1570                                                               radeon_get_encoder_enum(dev,
1571                                                                                           ATOM_DEVICE_CRT1_SUPPORT,
1572                                                                                           1),
1573                                                               ATOM_DEVICE_CRT1_SUPPORT);
1574                               radeon_add_legacy_connector(dev, 1,
1575                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1576                                                                 DRM_MODE_CONNECTOR_VGA,
1577                                                                 &ddc_i2c,
1578                                                                 CONNECTOR_OBJECT_ID_VGA,
1579                                                                 &hpd);
1580                     } else {
1581                               /* DVI-I - tv dac, int tmds */
1582                               ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1583                               hpd.hpd = RADEON_HPD_1;
1584                               radeon_add_legacy_encoder(dev,
1585                                                               radeon_get_encoder_enum(dev,
1586                                                                                           ATOM_DEVICE_DFP1_SUPPORT,
1587                                                                                           0),
1588                                                               ATOM_DEVICE_DFP1_SUPPORT);
1589                               radeon_add_legacy_encoder(dev,
1590                                                               radeon_get_encoder_enum(dev,
1591                                                                                           ATOM_DEVICE_CRT2_SUPPORT,
1592                                                                                           2),
1593                                                               ATOM_DEVICE_CRT2_SUPPORT);
1594                               radeon_add_legacy_connector(dev, 0,
1595                                                                 ATOM_DEVICE_DFP1_SUPPORT |
1596                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1597                                                                 DRM_MODE_CONNECTOR_DVII,
1598                                                                 &ddc_i2c,
1599                                                                 CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1600                                                                 &hpd);
1601 
1602                               /* VGA - primary dac */
1603                               ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1604                               hpd.hpd = RADEON_HPD_NONE;
1605                               radeon_add_legacy_encoder(dev,
1606                                                               radeon_get_encoder_enum(dev,
1607                                                                                           ATOM_DEVICE_CRT1_SUPPORT,
1608                                                                                           1),
1609                                                               ATOM_DEVICE_CRT1_SUPPORT);
1610                               radeon_add_legacy_connector(dev, 1,
1611                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1612                                                                 DRM_MODE_CONNECTOR_VGA,
1613                                                                 &ddc_i2c,
1614                                                                 CONNECTOR_OBJECT_ID_VGA,
1615                                                                 &hpd);
1616                     }
1617 
1618                     if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1619                               /* TV - tv dac */
1620                               ddc_i2c.valid = false;
1621                               hpd.hpd = RADEON_HPD_NONE;
1622                               radeon_add_legacy_encoder(dev,
1623                                                               radeon_get_encoder_enum(dev,
1624                                                                                           ATOM_DEVICE_TV1_SUPPORT,
1625                                                                                           2),
1626                                                               ATOM_DEVICE_TV1_SUPPORT);
1627                               radeon_add_legacy_connector(dev, 2,
1628                                                                 ATOM_DEVICE_TV1_SUPPORT,
1629                                                                 DRM_MODE_CONNECTOR_SVIDEO,
1630                                                                 &ddc_i2c,
1631                                                                 CONNECTOR_OBJECT_ID_SVIDEO,
1632                                                                 &hpd);
1633                     }
1634                     break;
1635           case CT_IBOOK:
1636                     DRM_INFO("Connector Table: %d (ibook)\n",
1637                                rdev->mode_info.connector_table);
1638                     /* LVDS */
1639                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1640                     hpd.hpd = RADEON_HPD_NONE;
1641                     radeon_add_legacy_encoder(dev,
1642                                                     radeon_get_encoder_enum(dev,
1643                                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1644                                                                                 0),
1645                                                     ATOM_DEVICE_LCD1_SUPPORT);
1646                     radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1647                                                       DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1648                                                       CONNECTOR_OBJECT_ID_LVDS,
1649                                                       &hpd);
1650                     /* VGA - TV DAC */
1651                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1652                     hpd.hpd = RADEON_HPD_NONE;
1653                     radeon_add_legacy_encoder(dev,
1654                                                     radeon_get_encoder_enum(dev,
1655                                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1656                                                                                 2),
1657                                                     ATOM_DEVICE_CRT2_SUPPORT);
1658                     radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1659                                                       DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1660                                                       CONNECTOR_OBJECT_ID_VGA,
1661                                                       &hpd);
1662                     /* TV - TV DAC */
1663                     ddc_i2c.valid = false;
1664                     hpd.hpd = RADEON_HPD_NONE;
1665                     radeon_add_legacy_encoder(dev,
1666                                                     radeon_get_encoder_enum(dev,
1667                                                                                 ATOM_DEVICE_TV1_SUPPORT,
1668                                                                                 2),
1669                                                     ATOM_DEVICE_TV1_SUPPORT);
1670                     radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1671                                                       DRM_MODE_CONNECTOR_SVIDEO,
1672                                                       &ddc_i2c,
1673                                                       CONNECTOR_OBJECT_ID_SVIDEO,
1674                                                       &hpd);
1675                     break;
1676           case CT_POWERBOOK_EXTERNAL:
1677                     DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
1678                                rdev->mode_info.connector_table);
1679                     /* LVDS */
1680                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1681                     hpd.hpd = RADEON_HPD_NONE;
1682                     radeon_add_legacy_encoder(dev,
1683                                                     radeon_get_encoder_enum(dev,
1684                                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1685                                                                                 0),
1686                                                     ATOM_DEVICE_LCD1_SUPPORT);
1687                     radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1688                                                       DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1689                                                       CONNECTOR_OBJECT_ID_LVDS,
1690                                                       &hpd);
1691                     /* DVI-I - primary dac, ext tmds */
1692                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1693                     hpd.hpd = RADEON_HPD_2; /* ??? */
1694                     radeon_add_legacy_encoder(dev,
1695                                                     radeon_get_encoder_enum(dev,
1696                                                                                 ATOM_DEVICE_DFP2_SUPPORT,
1697                                                                                 0),
1698                                                     ATOM_DEVICE_DFP2_SUPPORT);
1699                     radeon_add_legacy_encoder(dev,
1700                                                     radeon_get_encoder_enum(dev,
1701                                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1702                                                                                 1),
1703                                                     ATOM_DEVICE_CRT1_SUPPORT);
1704                     /* XXX some are SL */
1705                     radeon_add_legacy_connector(dev, 1,
1706                                                       ATOM_DEVICE_DFP2_SUPPORT |
1707                                                       ATOM_DEVICE_CRT1_SUPPORT,
1708                                                       DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1709                                                       CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
1710                                                       &hpd);
1711                     /* TV - TV DAC */
1712                     ddc_i2c.valid = false;
1713                     hpd.hpd = RADEON_HPD_NONE;
1714                     radeon_add_legacy_encoder(dev,
1715                                                     radeon_get_encoder_enum(dev,
1716                                                                                 ATOM_DEVICE_TV1_SUPPORT,
1717                                                                                 2),
1718                                                     ATOM_DEVICE_TV1_SUPPORT);
1719                     radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1720                                                       DRM_MODE_CONNECTOR_SVIDEO,
1721                                                       &ddc_i2c,
1722                                                       CONNECTOR_OBJECT_ID_SVIDEO,
1723                                                       &hpd);
1724                     break;
1725           case CT_POWERBOOK_INTERNAL:
1726                     DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
1727                                rdev->mode_info.connector_table);
1728                     /* LVDS */
1729                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1730                     hpd.hpd = RADEON_HPD_NONE;
1731                     radeon_add_legacy_encoder(dev,
1732                                                     radeon_get_encoder_enum(dev,
1733                                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1734                                                                                 0),
1735                                                     ATOM_DEVICE_LCD1_SUPPORT);
1736                     radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1737                                                       DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1738                                                       CONNECTOR_OBJECT_ID_LVDS,
1739                                                       &hpd);
1740                     /* DVI-I - primary dac, int tmds */
1741                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1742                     hpd.hpd = RADEON_HPD_1; /* ??? */
1743                     radeon_add_legacy_encoder(dev,
1744                                                     radeon_get_encoder_enum(dev,
1745                                                                                 ATOM_DEVICE_DFP1_SUPPORT,
1746                                                                                 0),
1747                                                     ATOM_DEVICE_DFP1_SUPPORT);
1748                     radeon_add_legacy_encoder(dev,
1749                                                     radeon_get_encoder_enum(dev,
1750                                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1751                                                                                 1),
1752                                                     ATOM_DEVICE_CRT1_SUPPORT);
1753                     radeon_add_legacy_connector(dev, 1,
1754                                                       ATOM_DEVICE_DFP1_SUPPORT |
1755                                                       ATOM_DEVICE_CRT1_SUPPORT,
1756                                                       DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1757                                                       CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1758                                                       &hpd);
1759                     /* TV - TV DAC */
1760                     ddc_i2c.valid = false;
1761                     hpd.hpd = RADEON_HPD_NONE;
1762                     radeon_add_legacy_encoder(dev,
1763                                                     radeon_get_encoder_enum(dev,
1764                                                                                 ATOM_DEVICE_TV1_SUPPORT,
1765                                                                                 2),
1766                                                     ATOM_DEVICE_TV1_SUPPORT);
1767                     radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1768                                                       DRM_MODE_CONNECTOR_SVIDEO,
1769                                                       &ddc_i2c,
1770                                                       CONNECTOR_OBJECT_ID_SVIDEO,
1771                                                       &hpd);
1772                     break;
1773           case CT_POWERBOOK_VGA:
1774                     DRM_INFO("Connector Table: %d (powerbook vga)\n",
1775                                rdev->mode_info.connector_table);
1776                     /* LVDS */
1777                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1778                     hpd.hpd = RADEON_HPD_NONE;
1779                     radeon_add_legacy_encoder(dev,
1780                                                     radeon_get_encoder_enum(dev,
1781                                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1782                                                                                 0),
1783                                                     ATOM_DEVICE_LCD1_SUPPORT);
1784                     radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1785                                                       DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1786                                                       CONNECTOR_OBJECT_ID_LVDS,
1787                                                       &hpd);
1788                     /* VGA - primary dac */
1789                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1790                     hpd.hpd = RADEON_HPD_NONE;
1791                     radeon_add_legacy_encoder(dev,
1792                                                     radeon_get_encoder_enum(dev,
1793                                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1794                                                                                 1),
1795                                                     ATOM_DEVICE_CRT1_SUPPORT);
1796                     radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
1797                                                       DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1798                                                       CONNECTOR_OBJECT_ID_VGA,
1799                                                       &hpd);
1800                     /* TV - TV DAC */
1801                     ddc_i2c.valid = false;
1802                     hpd.hpd = RADEON_HPD_NONE;
1803                     radeon_add_legacy_encoder(dev,
1804                                                     radeon_get_encoder_enum(dev,
1805                                                                                 ATOM_DEVICE_TV1_SUPPORT,
1806                                                                                 2),
1807                                                     ATOM_DEVICE_TV1_SUPPORT);
1808                     radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1809                                                       DRM_MODE_CONNECTOR_SVIDEO,
1810                                                       &ddc_i2c,
1811                                                       CONNECTOR_OBJECT_ID_SVIDEO,
1812                                                       &hpd);
1813                     break;
1814           case CT_MINI_EXTERNAL:
1815                     DRM_INFO("Connector Table: %d (mini external tmds)\n",
1816                                rdev->mode_info.connector_table);
1817                     /* DVI-I - tv dac, ext tmds */
1818                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1819                     hpd.hpd = RADEON_HPD_2; /* ??? */
1820                     radeon_add_legacy_encoder(dev,
1821                                                     radeon_get_encoder_enum(dev,
1822                                                                                 ATOM_DEVICE_DFP2_SUPPORT,
1823                                                                                 0),
1824                                                     ATOM_DEVICE_DFP2_SUPPORT);
1825                     radeon_add_legacy_encoder(dev,
1826                                                     radeon_get_encoder_enum(dev,
1827                                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1828                                                                                 2),
1829                                                     ATOM_DEVICE_CRT2_SUPPORT);
1830                     /* XXX are any DL? */
1831                     radeon_add_legacy_connector(dev, 0,
1832                                                       ATOM_DEVICE_DFP2_SUPPORT |
1833                                                       ATOM_DEVICE_CRT2_SUPPORT,
1834                                                       DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1835                                                       CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1836                                                       &hpd);
1837                     /* TV - TV DAC */
1838                     ddc_i2c.valid = false;
1839                     hpd.hpd = RADEON_HPD_NONE;
1840                     radeon_add_legacy_encoder(dev,
1841                                                     radeon_get_encoder_enum(dev,
1842                                                                                 ATOM_DEVICE_TV1_SUPPORT,
1843                                                                                 2),
1844                                                     ATOM_DEVICE_TV1_SUPPORT);
1845                     radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1846                                                       DRM_MODE_CONNECTOR_SVIDEO,
1847                                                       &ddc_i2c,
1848                                                       CONNECTOR_OBJECT_ID_SVIDEO,
1849                                                       &hpd);
1850                     break;
1851           case CT_MINI_INTERNAL:
1852                     DRM_INFO("Connector Table: %d (mini internal tmds)\n",
1853                                rdev->mode_info.connector_table);
1854                     /* DVI-I - tv dac, int tmds */
1855                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1856                     hpd.hpd = RADEON_HPD_1; /* ??? */
1857                     radeon_add_legacy_encoder(dev,
1858                                                     radeon_get_encoder_enum(dev,
1859                                                                                 ATOM_DEVICE_DFP1_SUPPORT,
1860                                                                                 0),
1861                                                     ATOM_DEVICE_DFP1_SUPPORT);
1862                     radeon_add_legacy_encoder(dev,
1863                                                     radeon_get_encoder_enum(dev,
1864                                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1865                                                                                 2),
1866                                                     ATOM_DEVICE_CRT2_SUPPORT);
1867                     radeon_add_legacy_connector(dev, 0,
1868                                                       ATOM_DEVICE_DFP1_SUPPORT |
1869                                                       ATOM_DEVICE_CRT2_SUPPORT,
1870                                                       DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1871                                                       CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1872                                                       &hpd);
1873                     /* TV - TV DAC */
1874                     ddc_i2c.valid = false;
1875                     hpd.hpd = RADEON_HPD_NONE;
1876                     radeon_add_legacy_encoder(dev,
1877                                                     radeon_get_encoder_enum(dev,
1878                                                                                 ATOM_DEVICE_TV1_SUPPORT,
1879                                                                                 2),
1880                                                     ATOM_DEVICE_TV1_SUPPORT);
1881                     radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1882                                                       DRM_MODE_CONNECTOR_SVIDEO,
1883                                                       &ddc_i2c,
1884                                                       CONNECTOR_OBJECT_ID_SVIDEO,
1885                                                       &hpd);
1886                     break;
1887           case CT_IMAC_G5_ISIGHT:
1888                     DRM_INFO("Connector Table: %d (imac g5 isight)\n",
1889                                rdev->mode_info.connector_table);
1890                     /* DVI-D - int tmds */
1891                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1892                     hpd.hpd = RADEON_HPD_1; /* ??? */
1893                     radeon_add_legacy_encoder(dev,
1894                                                     radeon_get_encoder_enum(dev,
1895                                                                                 ATOM_DEVICE_DFP1_SUPPORT,
1896                                                                                 0),
1897                                                     ATOM_DEVICE_DFP1_SUPPORT);
1898                     radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
1899                                                       DRM_MODE_CONNECTOR_DVID, &ddc_i2c,
1900                                                       CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
1901                                                       &hpd);
1902                     /* VGA - tv dac */
1903                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1904                     hpd.hpd = RADEON_HPD_NONE;
1905                     radeon_add_legacy_encoder(dev,
1906                                                     radeon_get_encoder_enum(dev,
1907                                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1908                                                                                 2),
1909                                                     ATOM_DEVICE_CRT2_SUPPORT);
1910                     radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1911                                                       DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1912                                                       CONNECTOR_OBJECT_ID_VGA,
1913                                                       &hpd);
1914                     /* TV - TV DAC */
1915                     ddc_i2c.valid = false;
1916                     hpd.hpd = RADEON_HPD_NONE;
1917                     radeon_add_legacy_encoder(dev,
1918                                                     radeon_get_encoder_enum(dev,
1919                                                                                 ATOM_DEVICE_TV1_SUPPORT,
1920                                                                                 2),
1921                                                     ATOM_DEVICE_TV1_SUPPORT);
1922                     radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1923                                                       DRM_MODE_CONNECTOR_SVIDEO,
1924                                                       &ddc_i2c,
1925                                                       CONNECTOR_OBJECT_ID_SVIDEO,
1926                                                       &hpd);
1927                     break;
1928           case CT_EMAC:
1929                     DRM_INFO("Connector Table: %d (emac)\n",
1930                                rdev->mode_info.connector_table);
1931                     /* VGA - primary dac */
1932                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1933                     hpd.hpd = RADEON_HPD_NONE;
1934                     radeon_add_legacy_encoder(dev,
1935                                                     radeon_get_encoder_enum(dev,
1936                                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1937                                                                                 1),
1938                                                     ATOM_DEVICE_CRT1_SUPPORT);
1939                     radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1940                                                       DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1941                                                       CONNECTOR_OBJECT_ID_VGA,
1942                                                       &hpd);
1943                     /* VGA - tv dac */
1944                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1945                     hpd.hpd = RADEON_HPD_NONE;
1946                     radeon_add_legacy_encoder(dev,
1947                                                     radeon_get_encoder_enum(dev,
1948                                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1949                                                                                 2),
1950                                                     ATOM_DEVICE_CRT2_SUPPORT);
1951                     radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1952                                                       DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1953                                                       CONNECTOR_OBJECT_ID_VGA,
1954                                                       &hpd);
1955                     /* TV - TV DAC */
1956                     ddc_i2c.valid = false;
1957                     hpd.hpd = RADEON_HPD_NONE;
1958                     radeon_add_legacy_encoder(dev,
1959                                                     radeon_get_encoder_enum(dev,
1960                                                                                 ATOM_DEVICE_TV1_SUPPORT,
1961                                                                                 2),
1962                                                     ATOM_DEVICE_TV1_SUPPORT);
1963                     radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1964                                                       DRM_MODE_CONNECTOR_SVIDEO,
1965                                                       &ddc_i2c,
1966                                                       CONNECTOR_OBJECT_ID_SVIDEO,
1967                                                       &hpd);
1968                     break;
1969           case CT_RN50_POWER:
1970                     DRM_INFO("Connector Table: %d (rn50-power)\n",
1971                                rdev->mode_info.connector_table);
1972                     /* VGA - primary dac */
1973                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1974                     hpd.hpd = RADEON_HPD_NONE;
1975                     radeon_add_legacy_encoder(dev,
1976                                                     radeon_get_encoder_enum(dev,
1977                                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1978                                                                                 1),
1979                                                     ATOM_DEVICE_CRT1_SUPPORT);
1980                     radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1981                                                       DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1982                                                       CONNECTOR_OBJECT_ID_VGA,
1983                                                       &hpd);
1984                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1985                     hpd.hpd = RADEON_HPD_NONE;
1986                     radeon_add_legacy_encoder(dev,
1987                                                     radeon_get_encoder_enum(dev,
1988                                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1989                                                                                 2),
1990                                                     ATOM_DEVICE_CRT2_SUPPORT);
1991                     radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1992                                                       DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1993                                                       CONNECTOR_OBJECT_ID_VGA,
1994                                                       &hpd);
1995                     break;
1996           case CT_MAC_X800:
1997                     DRM_INFO("Connector Table: %d (mac x800)\n",
1998                                rdev->mode_info.connector_table);
1999                     /* DVI - primary dac, internal tmds */
2000                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2001                     hpd.hpd = RADEON_HPD_1; /* ??? */
2002                     radeon_add_legacy_encoder(dev,
2003                                                     radeon_get_encoder_enum(dev,
2004                                                                                   ATOM_DEVICE_DFP1_SUPPORT,
2005                                                                                   0),
2006                                                     ATOM_DEVICE_DFP1_SUPPORT);
2007                     radeon_add_legacy_encoder(dev,
2008                                                     radeon_get_encoder_enum(dev,
2009                                                                                   ATOM_DEVICE_CRT1_SUPPORT,
2010                                                                                   1),
2011                                                     ATOM_DEVICE_CRT1_SUPPORT);
2012                     radeon_add_legacy_connector(dev, 0,
2013                                                       ATOM_DEVICE_DFP1_SUPPORT |
2014                                                       ATOM_DEVICE_CRT1_SUPPORT,
2015                                                       DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2016                                                       CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2017                                                       &hpd);
2018                     /* DVI - tv dac, dvo */
2019                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2020                     hpd.hpd = RADEON_HPD_2; /* ??? */
2021                     radeon_add_legacy_encoder(dev,
2022                                                     radeon_get_encoder_enum(dev,
2023                                                                                   ATOM_DEVICE_DFP2_SUPPORT,
2024                                                                                   0),
2025                                                     ATOM_DEVICE_DFP2_SUPPORT);
2026                     radeon_add_legacy_encoder(dev,
2027                                                     radeon_get_encoder_enum(dev,
2028                                                                                   ATOM_DEVICE_CRT2_SUPPORT,
2029                                                                                   2),
2030                                                     ATOM_DEVICE_CRT2_SUPPORT);
2031                     radeon_add_legacy_connector(dev, 1,
2032                                                       ATOM_DEVICE_DFP2_SUPPORT |
2033                                                       ATOM_DEVICE_CRT2_SUPPORT,
2034                                                       DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2035                                                       CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
2036                                                       &hpd);
2037                     break;
2038           case CT_MAC_G5_9600:
2039                     DRM_INFO("Connector Table: %d (mac g5 9600)\n",
2040                                rdev->mode_info.connector_table);
2041                     /* DVI - tv dac, dvo */
2042                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2043                     hpd.hpd = RADEON_HPD_1; /* ??? */
2044                     radeon_add_legacy_encoder(dev,
2045                                                     radeon_get_encoder_enum(dev,
2046                                                                                   ATOM_DEVICE_DFP2_SUPPORT,
2047                                                                                   0),
2048                                                     ATOM_DEVICE_DFP2_SUPPORT);
2049                     radeon_add_legacy_encoder(dev,
2050                                                     radeon_get_encoder_enum(dev,
2051                                                                                   ATOM_DEVICE_CRT2_SUPPORT,
2052                                                                                   2),
2053                                                     ATOM_DEVICE_CRT2_SUPPORT);
2054                     radeon_add_legacy_connector(dev, 0,
2055                                                       ATOM_DEVICE_DFP2_SUPPORT |
2056                                                       ATOM_DEVICE_CRT2_SUPPORT,
2057                                                       DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2058                                                       CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2059                                                       &hpd);
2060                     /* ADC - primary dac, internal tmds */
2061                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2062                     hpd.hpd = RADEON_HPD_2; /* ??? */
2063                     radeon_add_legacy_encoder(dev,
2064                                                     radeon_get_encoder_enum(dev,
2065                                                                                   ATOM_DEVICE_DFP1_SUPPORT,
2066                                                                                   0),
2067                                                     ATOM_DEVICE_DFP1_SUPPORT);
2068                     radeon_add_legacy_encoder(dev,
2069                                                     radeon_get_encoder_enum(dev,
2070                                                                                   ATOM_DEVICE_CRT1_SUPPORT,
2071                                                                                   1),
2072                                                     ATOM_DEVICE_CRT1_SUPPORT);
2073                     radeon_add_legacy_connector(dev, 1,
2074                                                       ATOM_DEVICE_DFP1_SUPPORT |
2075                                                       ATOM_DEVICE_CRT1_SUPPORT,
2076                                                       DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2077                                                       CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2078                                                       &hpd);
2079                     /* TV - TV DAC */
2080                     ddc_i2c.valid = false;
2081                     hpd.hpd = RADEON_HPD_NONE;
2082                     radeon_add_legacy_encoder(dev,
2083                                                     radeon_get_encoder_enum(dev,
2084                                                                                 ATOM_DEVICE_TV1_SUPPORT,
2085                                                                                 2),
2086                                                     ATOM_DEVICE_TV1_SUPPORT);
2087                     radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2088                                                       DRM_MODE_CONNECTOR_SVIDEO,
2089                                                       &ddc_i2c,
2090                                                       CONNECTOR_OBJECT_ID_SVIDEO,
2091                                                       &hpd);
2092                     break;
2093           case CT_SAM440EP:
2094                     DRM_INFO("Connector Table: %d (SAM440ep embedded board)\n",
2095                                rdev->mode_info.connector_table);
2096                     /* LVDS */
2097                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
2098                     hpd.hpd = RADEON_HPD_NONE;
2099                     radeon_add_legacy_encoder(dev,
2100                                                     radeon_get_encoder_enum(dev,
2101                                                                                 ATOM_DEVICE_LCD1_SUPPORT,
2102                                                                                 0),
2103                                                     ATOM_DEVICE_LCD1_SUPPORT);
2104                     radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
2105                                                       DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
2106                                                       CONNECTOR_OBJECT_ID_LVDS,
2107                                                       &hpd);
2108                     /* DVI-I - secondary dac, int tmds */
2109                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2110                     hpd.hpd = RADEON_HPD_1; /* ??? */
2111                     radeon_add_legacy_encoder(dev,
2112                                                     radeon_get_encoder_enum(dev,
2113                                                                                 ATOM_DEVICE_DFP1_SUPPORT,
2114                                                                                 0),
2115                                                     ATOM_DEVICE_DFP1_SUPPORT);
2116                     radeon_add_legacy_encoder(dev,
2117                                                     radeon_get_encoder_enum(dev,
2118                                                                                 ATOM_DEVICE_CRT2_SUPPORT,
2119                                                                                 2),
2120                                                     ATOM_DEVICE_CRT2_SUPPORT);
2121                     radeon_add_legacy_connector(dev, 1,
2122                                                       ATOM_DEVICE_DFP1_SUPPORT |
2123                                                       ATOM_DEVICE_CRT2_SUPPORT,
2124                                                       DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2125                                                       CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2126                                                       &hpd);
2127                     /* VGA - primary dac */
2128                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2129                     hpd.hpd = RADEON_HPD_NONE;
2130                     radeon_add_legacy_encoder(dev,
2131                                                     radeon_get_encoder_enum(dev,
2132                                                                                 ATOM_DEVICE_CRT1_SUPPORT,
2133                                                                                 1),
2134                                                     ATOM_DEVICE_CRT1_SUPPORT);
2135                     radeon_add_legacy_connector(dev, 2,
2136                                                       ATOM_DEVICE_CRT1_SUPPORT,
2137                                                       DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2138                                                       CONNECTOR_OBJECT_ID_VGA,
2139                                                       &hpd);
2140                     /* TV - TV DAC */
2141                     ddc_i2c.valid = false;
2142                     hpd.hpd = RADEON_HPD_NONE;
2143                     radeon_add_legacy_encoder(dev,
2144                                                     radeon_get_encoder_enum(dev,
2145                                                                                 ATOM_DEVICE_TV1_SUPPORT,
2146                                                                                 2),
2147                                                     ATOM_DEVICE_TV1_SUPPORT);
2148                     radeon_add_legacy_connector(dev, 3, ATOM_DEVICE_TV1_SUPPORT,
2149                                                       DRM_MODE_CONNECTOR_SVIDEO,
2150                                                       &ddc_i2c,
2151                                                       CONNECTOR_OBJECT_ID_SVIDEO,
2152                                                       &hpd);
2153                     break;
2154           case CT_MAC_G4_SILVER:
2155                     DRM_INFO("Connector Table: %d (mac g4 silver)\n",
2156                                rdev->mode_info.connector_table);
2157                     /* DVI-I - tv dac, int tmds */
2158                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2159                     hpd.hpd = RADEON_HPD_1; /* ??? */
2160                     radeon_add_legacy_encoder(dev,
2161                                                     radeon_get_encoder_enum(dev,
2162                                                                                 ATOM_DEVICE_DFP1_SUPPORT,
2163                                                                                 0),
2164                                                     ATOM_DEVICE_DFP1_SUPPORT);
2165                     radeon_add_legacy_encoder(dev,
2166                                                     radeon_get_encoder_enum(dev,
2167                                                                                 ATOM_DEVICE_CRT2_SUPPORT,
2168                                                                                 2),
2169                                                     ATOM_DEVICE_CRT2_SUPPORT);
2170                     radeon_add_legacy_connector(dev, 0,
2171                                                       ATOM_DEVICE_DFP1_SUPPORT |
2172                                                       ATOM_DEVICE_CRT2_SUPPORT,
2173                                                       DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2174                                                       CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2175                                                       &hpd);
2176                     /* VGA - primary dac */
2177                     ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2178                     hpd.hpd = RADEON_HPD_NONE;
2179                     radeon_add_legacy_encoder(dev,
2180                                                     radeon_get_encoder_enum(dev,
2181                                                                                 ATOM_DEVICE_CRT1_SUPPORT,
2182                                                                                 1),
2183                                                     ATOM_DEVICE_CRT1_SUPPORT);
2184                     radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
2185                                                       DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2186                                                       CONNECTOR_OBJECT_ID_VGA,
2187                                                       &hpd);
2188                     /* TV - TV DAC */
2189                     ddc_i2c.valid = false;
2190                     hpd.hpd = RADEON_HPD_NONE;
2191                     radeon_add_legacy_encoder(dev,
2192                                                     radeon_get_encoder_enum(dev,
2193                                                                                 ATOM_DEVICE_TV1_SUPPORT,
2194                                                                                 2),
2195                                                     ATOM_DEVICE_TV1_SUPPORT);
2196                     radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2197                                                       DRM_MODE_CONNECTOR_SVIDEO,
2198                                                       &ddc_i2c,
2199                                                       CONNECTOR_OBJECT_ID_SVIDEO,
2200                                                       &hpd);
2201                     break;
2202           default:
2203                     DRM_INFO("Connector table: %d (invalid)\n",
2204                                rdev->mode_info.connector_table);
2205                     return false;
2206           }
2207 
2208           radeon_link_encoder_connector(dev);
2209 
2210           return true;
2211 }
2212 
radeon_apply_legacy_quirks(struct drm_device * dev,int bios_index,enum radeon_combios_connector * legacy_connector,struct radeon_i2c_bus_rec * ddc_i2c,struct radeon_hpd * hpd)2213 static bool radeon_apply_legacy_quirks(struct drm_device *dev,
2214                                                int bios_index,
2215                                                enum radeon_combios_connector
2216                                                *legacy_connector,
2217                                                struct radeon_i2c_bus_rec *ddc_i2c,
2218                                                struct radeon_hpd *hpd)
2219 {
2220 
2221           /* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
2222              one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
2223           if (dev->pdev->device == 0x515e &&
2224               dev->pdev->subsystem_vendor == 0x1014) {
2225                     if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
2226                         ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
2227                               return false;
2228           }
2229 
2230           /* X300 card with extra non-existent DVI port */
2231           if (dev->pdev->device == 0x5B60 &&
2232               dev->pdev->subsystem_vendor == 0x17af &&
2233               dev->pdev->subsystem_device == 0x201e && bios_index == 2) {
2234                     if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
2235                               return false;
2236           }
2237 
2238           return true;
2239 }
2240 
radeon_apply_legacy_tv_quirks(struct drm_device * dev)2241 static bool radeon_apply_legacy_tv_quirks(struct drm_device *dev)
2242 {
2243           /* Acer 5102 has non-existent TV port */
2244           if (dev->pdev->device == 0x5975 &&
2245               dev->pdev->subsystem_vendor == 0x1025 &&
2246               dev->pdev->subsystem_device == 0x009f)
2247                     return false;
2248 
2249           /* HP dc5750 has non-existent TV port */
2250           if (dev->pdev->device == 0x5974 &&
2251               dev->pdev->subsystem_vendor == 0x103c &&
2252               dev->pdev->subsystem_device == 0x280a)
2253                     return false;
2254 
2255           /* MSI S270 has non-existent TV port */
2256           if (dev->pdev->device == 0x5955 &&
2257               dev->pdev->subsystem_vendor == 0x1462 &&
2258               dev->pdev->subsystem_device == 0x0131)
2259                     return false;
2260 
2261           return true;
2262 }
2263 
combios_check_dl_dvi(struct drm_device * dev,int is_dvi_d)2264 static uint16_t combios_check_dl_dvi(struct drm_device *dev, int is_dvi_d)
2265 {
2266           struct radeon_device *rdev = dev->dev_private;
2267           uint32_t ext_tmds_info;
2268 
2269           if (rdev->flags & RADEON_IS_IGP) {
2270                     if (is_dvi_d)
2271                               return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2272                     else
2273                               return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2274           }
2275           ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2276           if (ext_tmds_info) {
2277                     uint8_t rev = RBIOS8(ext_tmds_info);
2278                     uint8_t flags = RBIOS8(ext_tmds_info + 4 + 5);
2279                     if (rev >= 3) {
2280                               if (is_dvi_d)
2281                                         return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2282                               else
2283                                         return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2284                     } else {
2285                               if (flags & 1) {
2286                                         if (is_dvi_d)
2287                                                   return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2288                                         else
2289                                                   return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2290                               }
2291                     }
2292           }
2293           if (is_dvi_d)
2294                     return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2295           else
2296                     return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2297 }
2298 
radeon_get_legacy_connector_info_from_bios(struct drm_device * dev)2299 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
2300 {
2301           struct radeon_device *rdev = dev->dev_private;
2302           uint32_t conn_info, entry, devices;
2303           uint16_t tmp, connector_object_id;
2304           enum radeon_combios_ddc ddc_type;
2305           enum radeon_combios_connector connector;
2306           int i = 0;
2307           struct radeon_i2c_bus_rec ddc_i2c;
2308           struct radeon_hpd hpd;
2309 
2310           conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
2311           if (conn_info) {
2312                     for (i = 0; i < 4; i++) {
2313                               entry = conn_info + 2 + i * 2;
2314 
2315                               if (!RBIOS16(entry))
2316                                         break;
2317 
2318                               tmp = RBIOS16(entry);
2319 
2320                               connector = (tmp >> 12) & 0xf;
2321 
2322                               ddc_type = (tmp >> 8) & 0xf;
2323                               if (ddc_type == 5)
2324                                         ddc_i2c = radeon_combios_get_i2c_info_from_table(rdev);
2325                               else
2326                                         ddc_i2c = combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2327 
2328                               switch (connector) {
2329                               case CONNECTOR_PROPRIETARY_LEGACY:
2330                               case CONNECTOR_DVI_I_LEGACY:
2331                               case CONNECTOR_DVI_D_LEGACY:
2332                                         if ((tmp >> 4) & 0x1)
2333                                                   hpd.hpd = RADEON_HPD_2;
2334                                         else
2335                                                   hpd.hpd = RADEON_HPD_1;
2336                                         break;
2337                               default:
2338                                         hpd.hpd = RADEON_HPD_NONE;
2339                                         break;
2340                               }
2341 
2342                               if (!radeon_apply_legacy_quirks(dev, i, &connector,
2343                                                                       &ddc_i2c, &hpd))
2344                                         continue;
2345 
2346                               switch (connector) {
2347                               case CONNECTOR_PROPRIETARY_LEGACY:
2348                                         if ((tmp >> 4) & 0x1)
2349                                                   devices = ATOM_DEVICE_DFP2_SUPPORT;
2350                                         else
2351                                                   devices = ATOM_DEVICE_DFP1_SUPPORT;
2352                                         radeon_add_legacy_encoder(dev,
2353                                                                         radeon_get_encoder_enum
2354                                                                         (dev, devices, 0),
2355                                                                         devices);
2356                                         radeon_add_legacy_connector(dev, i, devices,
2357                                                                           legacy_connector_convert
2358                                                                           [connector],
2359                                                                           &ddc_i2c,
2360                                                                           CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
2361                                                                           &hpd);
2362                                         break;
2363                               case CONNECTOR_CRT_LEGACY:
2364                                         if (tmp & 0x1) {
2365                                                   devices = ATOM_DEVICE_CRT2_SUPPORT;
2366                                                   radeon_add_legacy_encoder(dev,
2367                                                                                   radeon_get_encoder_enum
2368                                                                                   (dev,
2369                                                                                    ATOM_DEVICE_CRT2_SUPPORT,
2370                                                                                    2),
2371                                                                                   ATOM_DEVICE_CRT2_SUPPORT);
2372                                         } else {
2373                                                   devices = ATOM_DEVICE_CRT1_SUPPORT;
2374                                                   radeon_add_legacy_encoder(dev,
2375                                                                                   radeon_get_encoder_enum
2376                                                                                   (dev,
2377                                                                                    ATOM_DEVICE_CRT1_SUPPORT,
2378                                                                                    1),
2379                                                                                   ATOM_DEVICE_CRT1_SUPPORT);
2380                                         }
2381                                         radeon_add_legacy_connector(dev,
2382                                                                           i,
2383                                                                           devices,
2384                                                                           legacy_connector_convert
2385                                                                           [connector],
2386                                                                           &ddc_i2c,
2387                                                                           CONNECTOR_OBJECT_ID_VGA,
2388                                                                           &hpd);
2389                                         break;
2390                               case CONNECTOR_DVI_I_LEGACY:
2391                                         devices = 0;
2392                                         if (tmp & 0x1) {
2393                                                   devices |= ATOM_DEVICE_CRT2_SUPPORT;
2394                                                   radeon_add_legacy_encoder(dev,
2395                                                                                   radeon_get_encoder_enum
2396                                                                                   (dev,
2397                                                                                    ATOM_DEVICE_CRT2_SUPPORT,
2398                                                                                    2),
2399                                                                                   ATOM_DEVICE_CRT2_SUPPORT);
2400                                         } else {
2401                                                   devices |= ATOM_DEVICE_CRT1_SUPPORT;
2402                                                   radeon_add_legacy_encoder(dev,
2403                                                                                   radeon_get_encoder_enum
2404                                                                                   (dev,
2405                                                                                    ATOM_DEVICE_CRT1_SUPPORT,
2406                                                                                    1),
2407                                                                                   ATOM_DEVICE_CRT1_SUPPORT);
2408                                         }
2409                                         /* RV100 board with external TDMS bit mis-set.
2410                                          * Actually uses internal TMDS, clear the bit.
2411                                          */
2412                                         if (dev->pdev->device == 0x5159 &&
2413                                             dev->pdev->subsystem_vendor == 0x1014 &&
2414                                             dev->pdev->subsystem_device == 0x029A) {
2415                                                   tmp &= ~(1 << 4);
2416                                         }
2417                                         if ((tmp >> 4) & 0x1) {
2418                                                   devices |= ATOM_DEVICE_DFP2_SUPPORT;
2419                                                   radeon_add_legacy_encoder(dev,
2420                                                                                   radeon_get_encoder_enum
2421                                                                                   (dev,
2422                                                                                    ATOM_DEVICE_DFP2_SUPPORT,
2423                                                                                    0),
2424                                                                                   ATOM_DEVICE_DFP2_SUPPORT);
2425                                                   connector_object_id = combios_check_dl_dvi(dev, 0);
2426                                         } else {
2427                                                   devices |= ATOM_DEVICE_DFP1_SUPPORT;
2428                                                   radeon_add_legacy_encoder(dev,
2429                                                                                   radeon_get_encoder_enum
2430                                                                                   (dev,
2431                                                                                    ATOM_DEVICE_DFP1_SUPPORT,
2432                                                                                    0),
2433                                                                                   ATOM_DEVICE_DFP1_SUPPORT);
2434                                                   connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2435                                         }
2436                                         radeon_add_legacy_connector(dev,
2437                                                                           i,
2438                                                                           devices,
2439                                                                           legacy_connector_convert
2440                                                                           [connector],
2441                                                                           &ddc_i2c,
2442                                                                           connector_object_id,
2443                                                                           &hpd);
2444                                         break;
2445                               case CONNECTOR_DVI_D_LEGACY:
2446                                         if ((tmp >> 4) & 0x1) {
2447                                                   devices = ATOM_DEVICE_DFP2_SUPPORT;
2448                                                   connector_object_id = combios_check_dl_dvi(dev, 1);
2449                                         } else {
2450                                                   devices = ATOM_DEVICE_DFP1_SUPPORT;
2451                                                   connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2452                                         }
2453                                         radeon_add_legacy_encoder(dev,
2454                                                                         radeon_get_encoder_enum
2455                                                                         (dev, devices, 0),
2456                                                                         devices);
2457                                         radeon_add_legacy_connector(dev, i, devices,
2458                                                                           legacy_connector_convert
2459                                                                           [connector],
2460                                                                           &ddc_i2c,
2461                                                                           connector_object_id,
2462                                                                           &hpd);
2463                                         break;
2464                               case CONNECTOR_CTV_LEGACY:
2465                               case CONNECTOR_STV_LEGACY:
2466                                         radeon_add_legacy_encoder(dev,
2467                                                                         radeon_get_encoder_enum
2468                                                                         (dev,
2469                                                                          ATOM_DEVICE_TV1_SUPPORT,
2470                                                                          2),
2471                                                                         ATOM_DEVICE_TV1_SUPPORT);
2472                                         radeon_add_legacy_connector(dev, i,
2473                                                                           ATOM_DEVICE_TV1_SUPPORT,
2474                                                                           legacy_connector_convert
2475                                                                           [connector],
2476                                                                           &ddc_i2c,
2477                                                                           CONNECTOR_OBJECT_ID_SVIDEO,
2478                                                                           &hpd);
2479                                         break;
2480                               default:
2481                                         DRM_ERROR("Unknown connector type: %d\n",
2482                                                     connector);
2483                                         continue;
2484                               }
2485 
2486                     }
2487           } else {
2488                     uint16_t tmds_info =
2489                         combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
2490                     if (tmds_info) {
2491                               DRM_DEBUG_KMS("Found DFP table, assuming DVI connector\n");
2492 
2493                               radeon_add_legacy_encoder(dev,
2494                                                               radeon_get_encoder_enum(dev,
2495                                                                                           ATOM_DEVICE_CRT1_SUPPORT,
2496                                                                                           1),
2497                                                               ATOM_DEVICE_CRT1_SUPPORT);
2498                               radeon_add_legacy_encoder(dev,
2499                                                               radeon_get_encoder_enum(dev,
2500                                                                                           ATOM_DEVICE_DFP1_SUPPORT,
2501                                                                                           0),
2502                                                               ATOM_DEVICE_DFP1_SUPPORT);
2503 
2504                               ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2505                               hpd.hpd = RADEON_HPD_1;
2506                               radeon_add_legacy_connector(dev,
2507                                                                 0,
2508                                                                 ATOM_DEVICE_CRT1_SUPPORT |
2509                                                                 ATOM_DEVICE_DFP1_SUPPORT,
2510                                                                 DRM_MODE_CONNECTOR_DVII,
2511                                                                 &ddc_i2c,
2512                                                                 CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2513                                                                 &hpd);
2514                     } else {
2515                               uint16_t crt_info =
2516                                         combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
2517                               DRM_DEBUG_KMS("Found CRT table, assuming VGA connector\n");
2518                               if (crt_info) {
2519                                         radeon_add_legacy_encoder(dev,
2520                                                                         radeon_get_encoder_enum(dev,
2521                                                                                                     ATOM_DEVICE_CRT1_SUPPORT,
2522                                                                                                     1),
2523                                                                         ATOM_DEVICE_CRT1_SUPPORT);
2524                                         ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2525                                         hpd.hpd = RADEON_HPD_NONE;
2526                                         radeon_add_legacy_connector(dev,
2527                                                                           0,
2528                                                                           ATOM_DEVICE_CRT1_SUPPORT,
2529                                                                           DRM_MODE_CONNECTOR_VGA,
2530                                                                           &ddc_i2c,
2531                                                                           CONNECTOR_OBJECT_ID_VGA,
2532                                                                           &hpd);
2533                               } else {
2534                                         DRM_DEBUG_KMS("No connector info found\n");
2535                                         return false;
2536                               }
2537                     }
2538           }
2539 
2540           if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
2541                     uint16_t lcd_info =
2542                         combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
2543                     if (lcd_info) {
2544                               uint16_t lcd_ddc_info =
2545                                   combios_get_table_offset(dev,
2546                                                                  COMBIOS_LCD_DDC_INFO_TABLE);
2547 
2548                               radeon_add_legacy_encoder(dev,
2549                                                               radeon_get_encoder_enum(dev,
2550                                                                                           ATOM_DEVICE_LCD1_SUPPORT,
2551                                                                                           0),
2552                                                               ATOM_DEVICE_LCD1_SUPPORT);
2553 
2554                               if (lcd_ddc_info) {
2555                                         ddc_type = RBIOS8(lcd_ddc_info + 2);
2556                                         switch (ddc_type) {
2557                                         case DDC_LCD:
2558                                                   ddc_i2c =
2559                                                             combios_setup_i2c_bus(rdev,
2560                                                                                       DDC_LCD,
2561                                                                                       RBIOS32(lcd_ddc_info + 3),
2562                                                                                       RBIOS32(lcd_ddc_info + 7));
2563                                                   radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2564                                                   break;
2565                                         case DDC_GPIO:
2566                                                   ddc_i2c =
2567                                                             combios_setup_i2c_bus(rdev,
2568                                                                                       DDC_GPIO,
2569                                                                                       RBIOS32(lcd_ddc_info + 3),
2570                                                                                       RBIOS32(lcd_ddc_info + 7));
2571                                                   radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2572                                                   break;
2573                                         default:
2574                                                   ddc_i2c =
2575                                                             combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2576                                                   break;
2577                                         }
2578                                         DRM_DEBUG_KMS("LCD DDC Info Table found!\n");
2579                               } else
2580                                         ddc_i2c.valid = false;
2581 
2582                               hpd.hpd = RADEON_HPD_NONE;
2583                               radeon_add_legacy_connector(dev,
2584                                                                 5,
2585                                                                 ATOM_DEVICE_LCD1_SUPPORT,
2586                                                                 DRM_MODE_CONNECTOR_LVDS,
2587                                                                 &ddc_i2c,
2588                                                                 CONNECTOR_OBJECT_ID_LVDS,
2589                                                                 &hpd);
2590                     }
2591           }
2592 
2593           /* check TV table */
2594           if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
2595                     uint32_t tv_info =
2596                         combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
2597                     if (tv_info) {
2598                               if (RBIOS8(tv_info + 6) == 'T') {
2599                                         if (radeon_apply_legacy_tv_quirks(dev)) {
2600                                                   hpd.hpd = RADEON_HPD_NONE;
2601                                                   ddc_i2c.valid = false;
2602                                                   radeon_add_legacy_encoder(dev,
2603                                                                                   radeon_get_encoder_enum
2604                                                                                   (dev,
2605                                                                                    ATOM_DEVICE_TV1_SUPPORT,
2606                                                                                    2),
2607                                                                                   ATOM_DEVICE_TV1_SUPPORT);
2608                                                   radeon_add_legacy_connector(dev, 6,
2609                                                                                     ATOM_DEVICE_TV1_SUPPORT,
2610                                                                                     DRM_MODE_CONNECTOR_SVIDEO,
2611                                                                                     &ddc_i2c,
2612                                                                                     CONNECTOR_OBJECT_ID_SVIDEO,
2613                                                                                     &hpd);
2614                                         }
2615                               }
2616                     }
2617           }
2618 
2619           radeon_link_encoder_connector(dev);
2620 
2621           return true;
2622 }
2623 
2624 static const char *thermal_controller_names[] = {
2625           "NONE",
2626           "lm63",
2627           "adm1032",
2628 };
2629 
radeon_combios_get_power_modes(struct radeon_device * rdev)2630 void radeon_combios_get_power_modes(struct radeon_device *rdev)
2631 {
2632           struct drm_device *dev = rdev->ddev;
2633           u16 offset, misc, misc2 = 0;
2634           u8 rev, blocks, tmp;
2635           int state_index = 0;
2636           struct radeon_i2c_bus_rec i2c_bus;
2637 
2638           rdev->pm.default_power_state_index = -1;
2639 
2640           /* allocate 2 power states */
2641           rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) * 2, GFP_KERNEL);
2642           if (rdev->pm.power_state) {
2643                     /* allocate 1 clock mode per state */
2644                     rdev->pm.power_state[0].clock_info =
2645                               kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
2646                     rdev->pm.power_state[1].clock_info =
2647                               kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
2648                     if (!rdev->pm.power_state[0].clock_info ||
2649                         !rdev->pm.power_state[1].clock_info)
2650                               goto pm_failed;
2651           } else
2652                     goto pm_failed;
2653 
2654           /* check for a thermal chip */
2655           offset = combios_get_table_offset(dev, COMBIOS_OVERDRIVE_INFO_TABLE);
2656           if (offset) {
2657                     u8 thermal_controller = 0, gpio = 0, i2c_addr = 0, clk_bit = 0, data_bit = 0;
2658 
2659                     rev = RBIOS8(offset);
2660 
2661                     if (rev == 0) {
2662                               thermal_controller = RBIOS8(offset + 3);
2663                               gpio = RBIOS8(offset + 4) & 0x3f;
2664                               i2c_addr = RBIOS8(offset + 5);
2665                     } else if (rev == 1) {
2666                               thermal_controller = RBIOS8(offset + 4);
2667                               gpio = RBIOS8(offset + 5) & 0x3f;
2668                               i2c_addr = RBIOS8(offset + 6);
2669                     } else if (rev == 2) {
2670                               thermal_controller = RBIOS8(offset + 4);
2671                               gpio = RBIOS8(offset + 5) & 0x3f;
2672                               i2c_addr = RBIOS8(offset + 6);
2673                               clk_bit = RBIOS8(offset + 0xa);
2674                               data_bit = RBIOS8(offset + 0xb);
2675                     }
2676                     if ((thermal_controller > 0) && (thermal_controller < 3)) {
2677                               DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2678                                          thermal_controller_names[thermal_controller],
2679                                          i2c_addr >> 1);
2680                               if (gpio == DDC_LCD) {
2681                                         /* MM i2c */
2682                                         i2c_bus.valid = true;
2683                                         i2c_bus.hw_capable = true;
2684                                         i2c_bus.mm_i2c = true;
2685                                         i2c_bus.i2c_id = 0xa0;
2686                               } else if (gpio == DDC_GPIO)
2687                                         i2c_bus = combios_setup_i2c_bus(rdev, gpio, 1 << clk_bit, 1 << data_bit);
2688                               else
2689                                         i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
2690                               rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2691                               if (rdev->pm.i2c_bus) {
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                               }
2698                     }
2699           } else {
2700                     /* boards with a thermal chip, but no overdrive table */
2701 
2702                     /* Asus 9600xt has an f75375 on the monid bus */
2703                     if ((dev->pdev->device == 0x4152) &&
2704                         (dev->pdev->subsystem_vendor == 0x1043) &&
2705                         (dev->pdev->subsystem_device == 0xc002)) {
2706                               i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2707                               rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2708                               if (rdev->pm.i2c_bus) {
2709                                         struct i2c_board_info info = { };
2710                                         const char *name = "f75375";
2711                                         info.addr = 0x28;
2712                                         strlcpy(info.type, name, sizeof(info.type));
2713                                         i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
2714                                         DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2715                                                    name, info.addr);
2716                               }
2717                     }
2718           }
2719 
2720           if (rdev->flags & RADEON_IS_MOBILITY) {
2721                     offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
2722                     if (offset) {
2723                               rev = RBIOS8(offset);
2724                               blocks = RBIOS8(offset + 0x2);
2725                               /* power mode 0 tends to be the only valid one */
2726                               rdev->pm.power_state[state_index].num_clock_modes = 1;
2727                               rdev->pm.power_state[state_index].clock_info[0].mclk = RBIOS32(offset + 0x5 + 0x2);
2728                               rdev->pm.power_state[state_index].clock_info[0].sclk = RBIOS32(offset + 0x5 + 0x6);
2729                               if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2730                                   (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2731                                         goto default_mode;
2732                               rdev->pm.power_state[state_index].type =
2733                                         POWER_STATE_TYPE_BATTERY;
2734                               misc = RBIOS16(offset + 0x5 + 0x0);
2735                               if (rev > 4)
2736                                         misc2 = RBIOS16(offset + 0x5 + 0xe);
2737                               rdev->pm.power_state[state_index].misc = misc;
2738                               rdev->pm.power_state[state_index].misc2 = misc2;
2739                               if (misc & 0x4) {
2740                                         rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
2741                                         if (misc & 0x8)
2742                                                   rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2743                                                             true;
2744                                         else
2745                                                   rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2746                                                             false;
2747                                         rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = true;
2748                                         if (rev < 6) {
2749                                                   rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2750                                                             RBIOS16(offset + 0x5 + 0xb) * 4;
2751                                                   tmp = RBIOS8(offset + 0x5 + 0xd);
2752                                                   rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2753                                         } else {
2754                                                   u8 entries = RBIOS8(offset + 0x5 + 0xb);
2755                                                   u16 voltage_table_offset = RBIOS16(offset + 0x5 + 0xc);
2756                                                   if (entries && voltage_table_offset) {
2757                                                             rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2758                                                                       RBIOS16(voltage_table_offset) * 4;
2759                                                             tmp = RBIOS8(voltage_table_offset + 0x2);
2760                                                             rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2761                                                   } else
2762                                                             rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = false;
2763                                         }
2764                                         switch ((misc2 & 0x700) >> 8) {
2765                                         case 0:
2766                                         default:
2767                                                   rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 0;
2768                                                   break;
2769                                         case 1:
2770                                                   rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 33;
2771                                                   break;
2772                                         case 2:
2773                                                   rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 66;
2774                                                   break;
2775                                         case 3:
2776                                                   rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 99;
2777                                                   break;
2778                                         case 4:
2779                                                   rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 132;
2780                                                   break;
2781                                         }
2782                               } else
2783                                         rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2784                               if (rev > 6)
2785                                         rdev->pm.power_state[state_index].pcie_lanes =
2786                                                   RBIOS8(offset + 0x5 + 0x10);
2787                               rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2788                               state_index++;
2789                     } else {
2790                               /* XXX figure out some good default low power mode for mobility cards w/out power tables */
2791                     }
2792           } else {
2793                     /* XXX figure out some good default low power mode for desktop cards */
2794           }
2795 
2796 default_mode:
2797           /* add the default mode */
2798           rdev->pm.power_state[state_index].type =
2799                     POWER_STATE_TYPE_DEFAULT;
2800           rdev->pm.power_state[state_index].num_clock_modes = 1;
2801           rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
2802           rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
2803           rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
2804           if ((state_index > 0) &&
2805               (rdev->pm.power_state[0].clock_info[0].voltage.type == VOLTAGE_GPIO))
2806                     rdev->pm.power_state[state_index].clock_info[0].voltage =
2807                               rdev->pm.power_state[0].clock_info[0].voltage;
2808           else
2809                     rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2810           rdev->pm.power_state[state_index].pcie_lanes = 16;
2811           rdev->pm.power_state[state_index].flags = 0;
2812           rdev->pm.default_power_state_index = state_index;
2813           rdev->pm.num_power_states = state_index + 1;
2814 
2815           rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2816           rdev->pm.current_clock_mode_index = 0;
2817           return;
2818 
2819 pm_failed:
2820           rdev->pm.default_power_state_index = state_index;
2821           rdev->pm.num_power_states = 0;
2822 
2823           rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2824           rdev->pm.current_clock_mode_index = 0;
2825 }
2826 
radeon_external_tmds_setup(struct drm_encoder * encoder)2827 void radeon_external_tmds_setup(struct drm_encoder *encoder)
2828 {
2829           struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2830           struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2831 
2832           if (!tmds)
2833                     return;
2834 
2835           switch (tmds->dvo_chip) {
2836           case DVO_SIL164:
2837                     /* sil 164 */
2838                     radeon_i2c_put_byte(tmds->i2c_bus,
2839                                             tmds->slave_addr,
2840                                             0x08, 0x30);
2841                     radeon_i2c_put_byte(tmds->i2c_bus,
2842                                                tmds->slave_addr,
2843                                                0x09, 0x00);
2844                     radeon_i2c_put_byte(tmds->i2c_bus,
2845                                             tmds->slave_addr,
2846                                             0x0a, 0x90);
2847                     radeon_i2c_put_byte(tmds->i2c_bus,
2848                                             tmds->slave_addr,
2849                                             0x0c, 0x89);
2850                     radeon_i2c_put_byte(tmds->i2c_bus,
2851                                                tmds->slave_addr,
2852                                                0x08, 0x3b);
2853                     break;
2854           case DVO_SIL1178:
2855                     /* sil 1178 - untested */
2856                     /*
2857                      * 0x0f, 0x44
2858                      * 0x0f, 0x4c
2859                      * 0x0e, 0x01
2860                      * 0x0a, 0x80
2861                      * 0x09, 0x30
2862                      * 0x0c, 0xc9
2863                      * 0x0d, 0x70
2864                      * 0x08, 0x32
2865                      * 0x08, 0x33
2866                      */
2867                     break;
2868           default:
2869                     break;
2870           }
2871 
2872 }
2873 
radeon_combios_external_tmds_setup(struct drm_encoder * encoder)2874 bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
2875 {
2876           struct drm_device *dev = encoder->dev;
2877           struct radeon_device *rdev = dev->dev_private;
2878           struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2879           uint16_t offset;
2880           uint8_t blocks, slave_addr, rev;
2881           uint32_t index, id;
2882           uint32_t reg, val, and_mask, or_mask;
2883           struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2884 
2885           if (!tmds)
2886                     return false;
2887 
2888           if (rdev->flags & RADEON_IS_IGP) {
2889                     offset = combios_get_table_offset(dev, COMBIOS_TMDS_POWER_ON_TABLE);
2890                     rev = RBIOS8(offset);
2891                     if (offset) {
2892                               rev = RBIOS8(offset);
2893                               if (rev > 1) {
2894                                         blocks = RBIOS8(offset + 3);
2895                                         index = offset + 4;
2896                                         while (blocks > 0) {
2897                                                   id = RBIOS16(index);
2898                                                   index += 2;
2899                                                   switch (id >> 13) {
2900                                                   case 0:
2901                                                             reg = (id & 0x1fff) * 4;
2902                                                             val = RBIOS32(index);
2903                                                             index += 4;
2904                                                             WREG32(reg, val);
2905                                                             break;
2906                                                   case 2:
2907                                                             reg = (id & 0x1fff) * 4;
2908                                                             and_mask = RBIOS32(index);
2909                                                             index += 4;
2910                                                             or_mask = RBIOS32(index);
2911                                                             index += 4;
2912                                                             val = RREG32(reg);
2913                                                             val = (val & and_mask) | or_mask;
2914                                                             WREG32(reg, val);
2915                                                             break;
2916                                                   case 3:
2917                                                             val = RBIOS16(index);
2918                                                             index += 2;
2919                                                             udelay(val);
2920                                                             break;
2921                                                   case 4:
2922                                                             val = RBIOS16(index);
2923                                                             index += 2;
2924                                                             mdelay(val);
2925                                                             break;
2926                                                   case 6:
2927                                                             slave_addr = id & 0xff;
2928                                                             slave_addr >>= 1; /* 7 bit addressing */
2929                                                             index++;
2930                                                             reg = RBIOS8(index);
2931                                                             index++;
2932                                                             val = RBIOS8(index);
2933                                                             index++;
2934                                                             radeon_i2c_put_byte(tmds->i2c_bus,
2935                                                                                     slave_addr,
2936                                                                                     reg, val);
2937                                                             break;
2938                                                   default:
2939                                                             DRM_ERROR("Unknown id %d\n", id >> 13);
2940                                                             break;
2941                                                   }
2942                                                   blocks--;
2943                                         }
2944                                         return true;
2945                               }
2946                     }
2947           } else {
2948                     offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2949                     if (offset) {
2950                               index = offset + 10;
2951                               id = RBIOS16(index);
2952                               while (id != 0xffff) {
2953                                         index += 2;
2954                                         switch (id >> 13) {
2955                                         case 0:
2956                                                   reg = (id & 0x1fff) * 4;
2957                                                   val = RBIOS32(index);
2958                                                   WREG32(reg, val);
2959                                                   break;
2960                                         case 2:
2961                                                   reg = (id & 0x1fff) * 4;
2962                                                   and_mask = RBIOS32(index);
2963                                                   index += 4;
2964                                                   or_mask = RBIOS32(index);
2965                                                   index += 4;
2966                                                   val = RREG32(reg);
2967                                                   val = (val & and_mask) | or_mask;
2968                                                   WREG32(reg, val);
2969                                                   break;
2970                                         case 4:
2971                                                   val = RBIOS16(index);
2972                                                   index += 2;
2973                                                   udelay(val);
2974                                                   break;
2975                                         case 5:
2976                                                   reg = id & 0x1fff;
2977                                                   and_mask = RBIOS32(index);
2978                                                   index += 4;
2979                                                   or_mask = RBIOS32(index);
2980                                                   index += 4;
2981                                                   val = RREG32_PLL(reg);
2982                                                   val = (val & and_mask) | or_mask;
2983                                                   WREG32_PLL(reg, val);
2984                                                   break;
2985                                         case 6:
2986                                                   reg = id & 0x1fff;
2987                                                   val = RBIOS8(index);
2988                                                   index += 1;
2989                                                   radeon_i2c_put_byte(tmds->i2c_bus,
2990                                                                           tmds->slave_addr,
2991                                                                           reg, val);
2992                                                   break;
2993                                         default:
2994                                                   DRM_ERROR("Unknown id %d\n", id >> 13);
2995                                                   break;
2996                                         }
2997                                         id = RBIOS16(index);
2998                               }
2999                               return true;
3000                     }
3001           }
3002           return false;
3003 }
3004 
combios_parse_mmio_table(struct drm_device * dev,uint16_t offset)3005 static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
3006 {
3007           struct radeon_device *rdev = dev->dev_private;
3008 
3009           if (offset) {
3010                     while (RBIOS16(offset)) {
3011                               uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
3012                               uint32_t addr = (RBIOS16(offset) & 0x1fff);
3013                               uint32_t val, and_mask, or_mask;
3014                               uint32_t tmp;
3015 
3016                               offset += 2;
3017                               switch (cmd) {
3018                               case 0:
3019                                         val = RBIOS32(offset);
3020                                         offset += 4;
3021                                         WREG32(addr, val);
3022                                         break;
3023                               case 1:
3024                                         val = RBIOS32(offset);
3025                                         offset += 4;
3026                                         WREG32(addr, val);
3027                                         break;
3028                               case 2:
3029                                         and_mask = RBIOS32(offset);
3030                                         offset += 4;
3031                                         or_mask = RBIOS32(offset);
3032                                         offset += 4;
3033                                         tmp = RREG32(addr);
3034                                         tmp &= and_mask;
3035                                         tmp |= or_mask;
3036                                         WREG32(addr, tmp);
3037                                         break;
3038                               case 3:
3039                                         and_mask = RBIOS32(offset);
3040                                         offset += 4;
3041                                         or_mask = RBIOS32(offset);
3042                                         offset += 4;
3043                                         tmp = RREG32(addr);
3044                                         tmp &= and_mask;
3045                                         tmp |= or_mask;
3046                                         WREG32(addr, tmp);
3047                                         break;
3048                               case 4:
3049                                         val = RBIOS16(offset);
3050                                         offset += 2;
3051                                         udelay(val);
3052                                         break;
3053                               case 5:
3054                                         val = RBIOS16(offset);
3055                                         offset += 2;
3056                                         switch (addr) {
3057                                         case 8:
3058                                                   while (val--) {
3059                                                             if (!
3060                                                                 (RREG32_PLL
3061                                                                  (RADEON_CLK_PWRMGT_CNTL) &
3062                                                                  RADEON_MC_BUSY))
3063                                                                       break;
3064                                                   }
3065                                                   break;
3066                                         case 9:
3067                                                   while (val--) {
3068                                                             if ((RREG32(RADEON_MC_STATUS) &
3069                                                                  RADEON_MC_IDLE))
3070                                                                       break;
3071                                                   }
3072                                                   break;
3073                                         default:
3074                                                   break;
3075                                         }
3076                                         break;
3077                               default:
3078                                         break;
3079                               }
3080                     }
3081           }
3082 }
3083 
combios_parse_pll_table(struct drm_device * dev,uint16_t offset)3084 static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
3085 {
3086           struct radeon_device *rdev = dev->dev_private;
3087 
3088           if (offset) {
3089                     while (RBIOS8(offset)) {
3090                               uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
3091                               uint8_t addr = (RBIOS8(offset) & 0x3f);
3092                               uint32_t val, shift, tmp;
3093                               uint32_t and_mask, or_mask;
3094 
3095                               offset++;
3096                               switch (cmd) {
3097                               case 0:
3098                                         val = RBIOS32(offset);
3099                                         offset += 4;
3100                                         WREG32_PLL(addr, val);
3101                                         break;
3102                               case 1:
3103                                         shift = RBIOS8(offset) * 8;
3104                                         offset++;
3105                                         and_mask = RBIOS8(offset) << shift;
3106                                         and_mask |= ~(0xff << shift);
3107                                         offset++;
3108                                         or_mask = RBIOS8(offset) << shift;
3109                                         offset++;
3110                                         tmp = RREG32_PLL(addr);
3111                                         tmp &= and_mask;
3112                                         tmp |= or_mask;
3113                                         WREG32_PLL(addr, tmp);
3114                                         break;
3115                               case 2:
3116                               case 3:
3117                                         tmp = 1000;
3118                                         switch (addr) {
3119                                         case 1:
3120                                                   udelay(150);
3121                                                   break;
3122                                         case 2:
3123                                                   mdelay(1);
3124                                                   break;
3125                                         case 3:
3126                                                   while (tmp--) {
3127                                                             if (!
3128                                                                 (RREG32_PLL
3129                                                                  (RADEON_CLK_PWRMGT_CNTL) &
3130                                                                  RADEON_MC_BUSY))
3131                                                                       break;
3132                                                   }
3133                                                   break;
3134                                         case 4:
3135                                                   while (tmp--) {
3136                                                             if (RREG32_PLL
3137                                                                 (RADEON_CLK_PWRMGT_CNTL) &
3138                                                                 RADEON_DLL_READY)
3139                                                                       break;
3140                                                   }
3141                                                   break;
3142                                         case 5:
3143                                                   tmp =
3144                                                       RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
3145                                                   if (tmp & RADEON_CG_NO1_DEBUG_0) {
3146 #if 0
3147                                                             uint32_t mclk_cntl =
3148                                                                 RREG32_PLL
3149                                                                 (RADEON_MCLK_CNTL);
3150                                                             mclk_cntl &= 0xffff0000;
3151                                                             /*mclk_cntl |= 0x00001111;*//* ??? */
3152                                                             WREG32_PLL(RADEON_MCLK_CNTL,
3153                                                                          mclk_cntl);
3154                                                             mdelay(10);
3155 #endif
3156                                                             WREG32_PLL
3157                                                                 (RADEON_CLK_PWRMGT_CNTL,
3158                                                                  tmp &
3159                                                                  ~RADEON_CG_NO1_DEBUG_0);
3160                                                             mdelay(10);
3161                                                   }
3162                                                   break;
3163                                         default:
3164                                                   break;
3165                                         }
3166                                         break;
3167                               default:
3168                                         break;
3169                               }
3170                     }
3171           }
3172 }
3173 
combios_parse_ram_reset_table(struct drm_device * dev,uint16_t offset)3174 static void combios_parse_ram_reset_table(struct drm_device *dev,
3175                                                     uint16_t offset)
3176 {
3177           struct radeon_device *rdev = dev->dev_private;
3178           uint32_t tmp;
3179 
3180           if (offset) {
3181                     uint8_t val = RBIOS8(offset);
3182                     while (val != 0xff) {
3183                               offset++;
3184 
3185                               if (val == 0x0f) {
3186                                         uint32_t channel_complete_mask;
3187 
3188                                         if (ASIC_IS_R300(rdev))
3189                                                   channel_complete_mask =
3190                                                       R300_MEM_PWRUP_COMPLETE;
3191                                         else
3192                                                   channel_complete_mask =
3193                                                       RADEON_MEM_PWRUP_COMPLETE;
3194                                         tmp = 20000;
3195                                         while (tmp--) {
3196                                                   if ((RREG32(RADEON_MEM_STR_CNTL) &
3197                                                        channel_complete_mask) ==
3198                                                       channel_complete_mask)
3199                                                             break;
3200                                         }
3201                               } else {
3202                                         uint32_t or_mask = RBIOS16(offset);
3203                                         offset += 2;
3204 
3205                                         tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3206                                         tmp &= RADEON_SDRAM_MODE_MASK;
3207                                         tmp |= or_mask;
3208                                         WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3209 
3210                                         or_mask = val << 24;
3211                                         tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3212                                         tmp &= RADEON_B3MEM_RESET_MASK;
3213                                         tmp |= or_mask;
3214                                         WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3215                               }
3216                               val = RBIOS8(offset);
3217                     }
3218           }
3219 }
3220 
combios_detect_ram(struct drm_device * dev,int ram,int mem_addr_mapping)3221 static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
3222                                            int mem_addr_mapping)
3223 {
3224           struct radeon_device *rdev = dev->dev_private;
3225           uint32_t mem_cntl;
3226           uint32_t mem_size;
3227           uint32_t addr = 0;
3228 
3229           mem_cntl = RREG32(RADEON_MEM_CNTL);
3230           if (mem_cntl & RV100_HALF_MODE)
3231                     ram /= 2;
3232           mem_size = ram;
3233           mem_cntl &= ~(0xff << 8);
3234           mem_cntl |= (mem_addr_mapping & 0xff) << 8;
3235           WREG32(RADEON_MEM_CNTL, mem_cntl);
3236           RREG32(RADEON_MEM_CNTL);
3237 
3238           /* sdram reset ? */
3239 
3240           /* something like this????  */
3241           while (ram--) {
3242                     addr = ram * 1024 * 1024;
3243                     /* write to each page */
3244                     WREG32_IDX((addr) | RADEON_MM_APER, 0xdeadbeef);
3245                     /* read back and verify */
3246                     if (RREG32_IDX((addr) | RADEON_MM_APER) != 0xdeadbeef)
3247                               return 0;
3248           }
3249 
3250           return mem_size;
3251 }
3252 
combios_write_ram_size(struct drm_device * dev)3253 static void combios_write_ram_size(struct drm_device *dev)
3254 {
3255           struct radeon_device *rdev = dev->dev_private;
3256           uint8_t rev;
3257           uint16_t offset;
3258           uint32_t mem_size = 0;
3259           uint32_t mem_cntl = 0;
3260 
3261           /* should do something smarter here I guess... */
3262           if (rdev->flags & RADEON_IS_IGP)
3263                     return;
3264 
3265           /* first check detected mem table */
3266           offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
3267           if (offset) {
3268                     rev = RBIOS8(offset);
3269                     if (rev < 3) {
3270                               mem_cntl = RBIOS32(offset + 1);
3271                               mem_size = RBIOS16(offset + 5);
3272                               if ((rdev->family < CHIP_R200) &&
3273                                   !ASIC_IS_RN50(rdev))
3274                                         WREG32(RADEON_MEM_CNTL, mem_cntl);
3275                     }
3276           }
3277 
3278           if (!mem_size) {
3279                     offset =
3280                         combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
3281                     if (offset) {
3282                               rev = RBIOS8(offset - 1);
3283                               if (rev < 1) {
3284                                         if ((rdev->family < CHIP_R200)
3285                                             && !ASIC_IS_RN50(rdev)) {
3286                                                   int ram = 0;
3287                                                   int mem_addr_mapping = 0;
3288 
3289                                                   while (RBIOS8(offset)) {
3290                                                             ram = RBIOS8(offset);
3291                                                             mem_addr_mapping =
3292                                                                 RBIOS8(offset + 1);
3293                                                             if (mem_addr_mapping != 0x25)
3294                                                                       ram *= 2;
3295                                                             mem_size =
3296                                                                 combios_detect_ram(dev, ram,
3297                                                                                        mem_addr_mapping);
3298                                                             if (mem_size)
3299                                                                       break;
3300                                                             offset += 2;
3301                                                   }
3302                                         } else
3303                                                   mem_size = RBIOS8(offset);
3304                               } else {
3305                                         mem_size = RBIOS8(offset);
3306                                         mem_size *= 2;      /* convert to MB */
3307                               }
3308                     }
3309           }
3310 
3311           mem_size *= (1024 * 1024);    /* convert to bytes */
3312           WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
3313 }
3314 
radeon_combios_asic_init(struct drm_device * dev)3315 void radeon_combios_asic_init(struct drm_device *dev)
3316 {
3317           struct radeon_device *rdev = dev->dev_private;
3318           uint16_t table;
3319 
3320           /* port hardcoded mac stuff from radeonfb */
3321           if (rdev->bios == NULL)
3322                     return;
3323 
3324           /* ASIC INIT 1 */
3325           table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE);
3326           if (table)
3327                     combios_parse_mmio_table(dev, table);
3328 
3329           /* PLL INIT */
3330           table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE);
3331           if (table)
3332                     combios_parse_pll_table(dev, table);
3333 
3334           /* ASIC INIT 2 */
3335           table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE);
3336           if (table)
3337                     combios_parse_mmio_table(dev, table);
3338 
3339           if (!(rdev->flags & RADEON_IS_IGP)) {
3340                     /* ASIC INIT 4 */
3341                     table =
3342                         combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE);
3343                     if (table)
3344                               combios_parse_mmio_table(dev, table);
3345 
3346                     /* RAM RESET */
3347                     table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE);
3348                     if (table)
3349                               combios_parse_ram_reset_table(dev, table);
3350 
3351                     /* ASIC INIT 3 */
3352                     table =
3353                         combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE);
3354                     if (table)
3355                               combios_parse_mmio_table(dev, table);
3356 
3357                     /* write CONFIG_MEMSIZE */
3358                     combios_write_ram_size(dev);
3359           }
3360 
3361           /* quirk for rs4xx HP nx6125 laptop to make it resume
3362            * - it hangs on resume inside the dynclk 1 table.
3363            */
3364           if (rdev->family == CHIP_RS480 &&
3365               rdev->pdev->subsystem_vendor == 0x103c &&
3366               rdev->pdev->subsystem_device == 0x308b)
3367                     return;
3368 
3369           /* quirk for rs4xx HP dv5000 laptop to make it resume
3370            * - it hangs on resume inside the dynclk 1 table.
3371            */
3372           if (rdev->family == CHIP_RS480 &&
3373               rdev->pdev->subsystem_vendor == 0x103c &&
3374               rdev->pdev->subsystem_device == 0x30a4)
3375                     return;
3376 
3377           /* quirk for rs4xx Compaq Presario V5245EU laptop to make it resume
3378            * - it hangs on resume inside the dynclk 1 table.
3379            */
3380           if (rdev->family == CHIP_RS480 &&
3381               rdev->pdev->subsystem_vendor == 0x103c &&
3382               rdev->pdev->subsystem_device == 0x30ae)
3383                     return;
3384           /* quirk for rs4xx Toshiba Sattellite L20-183 latop to make it resume
3385            * - it hangs on resume inside the dynclk 1 table.
3386            */
3387           if (rdev->family == CHIP_RS400 &&
3388               rdev->pdev->subsystem_vendor == 0x1179 &&
3389               rdev->pdev->subsystem_device == 0xff31)
3390                   return;
3391 
3392           /* quirk for rs4xx HP Compaq dc5750 Small Form Factor to make it resume
3393            * - it hangs on resume inside the dynclk 1 table.
3394            */
3395           if (rdev->family == CHIP_RS480 &&
3396               rdev->pdev->subsystem_vendor == 0x103c &&
3397               rdev->pdev->subsystem_device == 0x280a)
3398                     return;
3399           /* quirk for rs4xx Toshiba Sattellite L20-183 latop to make it resume
3400            * - it hangs on resume inside the dynclk 1 table.
3401            */
3402           if (rdev->family == CHIP_RS400 &&
3403               rdev->pdev->subsystem_vendor == 0x1179 &&
3404               rdev->pdev->subsystem_device == 0xff31)
3405                   return;
3406 
3407           /* DYN CLK 1 */
3408           table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3409           if (table)
3410                     combios_parse_pll_table(dev, table);
3411 
3412 }
3413 
radeon_combios_initialize_bios_scratch_regs(struct drm_device * dev)3414 void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
3415 {
3416           struct radeon_device *rdev = dev->dev_private;
3417           uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
3418 
3419           bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
3420           bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3421           bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
3422 
3423           /* let the bios control the backlight */
3424           bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
3425 
3426           /* tell the bios not to handle mode switching */
3427           bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
3428                                  RADEON_ACC_MODE_CHANGE);
3429 
3430           /* tell the bios a driver is loaded */
3431           bios_7_scratch |= RADEON_DRV_LOADED;
3432 
3433           WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
3434           WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3435           WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
3436 }
3437 
radeon_combios_output_lock(struct drm_encoder * encoder,bool lock)3438 void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
3439 {
3440           struct drm_device *dev = encoder->dev;
3441           struct radeon_device *rdev = dev->dev_private;
3442           uint32_t bios_6_scratch;
3443 
3444           bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3445 
3446           if (lock)
3447                     bios_6_scratch |= RADEON_DRIVER_CRITICAL;
3448           else
3449                     bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
3450 
3451           WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3452 }
3453 
3454 void
radeon_combios_connected_scratch_regs(struct drm_connector * connector,struct drm_encoder * encoder,bool connected)3455 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
3456                                               struct drm_encoder *encoder,
3457                                               bool connected)
3458 {
3459           struct drm_device *dev = connector->dev;
3460           struct radeon_device *rdev = dev->dev_private;
3461           struct radeon_connector *radeon_connector =
3462               to_radeon_connector(connector);
3463           struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3464           uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
3465           uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3466 
3467           if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
3468               (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
3469                     if (connected) {
3470                               DRM_DEBUG_KMS("TV1 connected\n");
3471                               /* fix me */
3472                               bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
3473                               /*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
3474                               bios_5_scratch |= RADEON_TV1_ON;
3475                               bios_5_scratch |= RADEON_ACC_REQ_TV1;
3476                     } else {
3477                               DRM_DEBUG_KMS("TV1 disconnected\n");
3478                               bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
3479                               bios_5_scratch &= ~RADEON_TV1_ON;
3480                               bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
3481                     }
3482           }
3483           if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
3484               (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
3485                     if (connected) {
3486                               DRM_DEBUG_KMS("LCD1 connected\n");
3487                               bios_4_scratch |= RADEON_LCD1_ATTACHED;
3488                               bios_5_scratch |= RADEON_LCD1_ON;
3489                               bios_5_scratch |= RADEON_ACC_REQ_LCD1;
3490                     } else {
3491                               DRM_DEBUG_KMS("LCD1 disconnected\n");
3492                               bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
3493                               bios_5_scratch &= ~RADEON_LCD1_ON;
3494                               bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
3495                     }
3496           }
3497           if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
3498               (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
3499                     if (connected) {
3500                               DRM_DEBUG_KMS("CRT1 connected\n");
3501                               bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
3502                               bios_5_scratch |= RADEON_CRT1_ON;
3503                               bios_5_scratch |= RADEON_ACC_REQ_CRT1;
3504                     } else {
3505                               DRM_DEBUG_KMS("CRT1 disconnected\n");
3506                               bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
3507                               bios_5_scratch &= ~RADEON_CRT1_ON;
3508                               bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
3509                     }
3510           }
3511           if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
3512               (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
3513                     if (connected) {
3514                               DRM_DEBUG_KMS("CRT2 connected\n");
3515                               bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
3516                               bios_5_scratch |= RADEON_CRT2_ON;
3517                               bios_5_scratch |= RADEON_ACC_REQ_CRT2;
3518                     } else {
3519                               DRM_DEBUG_KMS("CRT2 disconnected\n");
3520                               bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
3521                               bios_5_scratch &= ~RADEON_CRT2_ON;
3522                               bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
3523                     }
3524           }
3525           if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
3526               (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
3527                     if (connected) {
3528                               DRM_DEBUG_KMS("DFP1 connected\n");
3529                               bios_4_scratch |= RADEON_DFP1_ATTACHED;
3530                               bios_5_scratch |= RADEON_DFP1_ON;
3531                               bios_5_scratch |= RADEON_ACC_REQ_DFP1;
3532                     } else {
3533                               DRM_DEBUG_KMS("DFP1 disconnected\n");
3534                               bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
3535                               bios_5_scratch &= ~RADEON_DFP1_ON;
3536                               bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
3537                     }
3538           }
3539           if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
3540               (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
3541                     if (connected) {
3542                               DRM_DEBUG_KMS("DFP2 connected\n");
3543                               bios_4_scratch |= RADEON_DFP2_ATTACHED;
3544                               bios_5_scratch |= RADEON_DFP2_ON;
3545                               bios_5_scratch |= RADEON_ACC_REQ_DFP2;
3546                     } else {
3547                               DRM_DEBUG_KMS("DFP2 disconnected\n");
3548                               bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
3549                               bios_5_scratch &= ~RADEON_DFP2_ON;
3550                               bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
3551                     }
3552           }
3553           WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
3554           WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3555 }
3556 
3557 void
radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder * encoder,int crtc)3558 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
3559 {
3560           struct drm_device *dev = encoder->dev;
3561           struct radeon_device *rdev = dev->dev_private;
3562           struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3563           uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3564 
3565           if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
3566                     bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
3567                     bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
3568           }
3569           if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
3570                     bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
3571                     bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
3572           }
3573           if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
3574                     bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
3575                     bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
3576           }
3577           if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
3578                     bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
3579                     bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
3580           }
3581           if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
3582                     bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
3583                     bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
3584           }
3585           if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
3586                     bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
3587                     bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
3588           }
3589           WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3590 }
3591 
3592 void
radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder * encoder,bool on)3593 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
3594 {
3595           struct drm_device *dev = encoder->dev;
3596           struct radeon_device *rdev = dev->dev_private;
3597           struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3598           uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3599 
3600           if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
3601                     if (on)
3602                               bios_6_scratch |= RADEON_TV_DPMS_ON;
3603                     else
3604                               bios_6_scratch &= ~RADEON_TV_DPMS_ON;
3605           }
3606           if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3607                     if (on)
3608                               bios_6_scratch |= RADEON_CRT_DPMS_ON;
3609                     else
3610                               bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
3611           }
3612           if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3613                     if (on)
3614                               bios_6_scratch |= RADEON_LCD_DPMS_ON;
3615                     else
3616                               bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
3617           }
3618           if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
3619                     if (on)
3620                               bios_6_scratch |= RADEON_DFP_DPMS_ON;
3621                     else
3622                               bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
3623           }
3624           WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3625 }
3626