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 #include <asm/pci-bridge.h>
38 #endif /* CONFIG_PPC_PMAC */
39 
40 /* from radeon_encoder.c */
41 extern uint32_t
42 radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device,
43 			uint8_t dac);
44 extern void radeon_link_encoder_connector(struct drm_device *dev);
45 
46 /* from radeon_connector.c */
47 extern void
48 radeon_add_legacy_connector(struct drm_device *dev,
49 			    uint32_t connector_id,
50 			    uint32_t supported_device,
51 			    int connector_type,
52 			    struct radeon_i2c_bus_rec *i2c_bus,
53 			    uint16_t connector_object_id,
54 			    struct radeon_hpd *hpd);
55 
56 /* from radeon_legacy_encoder.c */
57 extern void
58 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum,
59 			  uint32_t supported_device);
60 
61 /* old legacy ATI BIOS routines */
62 
63 /* COMBIOS table offsets */
64 enum radeon_combios_table_offset {
65 	/* absolute offset tables */
66 	COMBIOS_ASIC_INIT_1_TABLE,
67 	COMBIOS_BIOS_SUPPORT_TABLE,
68 	COMBIOS_DAC_PROGRAMMING_TABLE,
69 	COMBIOS_MAX_COLOR_DEPTH_TABLE,
70 	COMBIOS_CRTC_INFO_TABLE,
71 	COMBIOS_PLL_INFO_TABLE,
72 	COMBIOS_TV_INFO_TABLE,
73 	COMBIOS_DFP_INFO_TABLE,
74 	COMBIOS_HW_CONFIG_INFO_TABLE,
75 	COMBIOS_MULTIMEDIA_INFO_TABLE,
76 	COMBIOS_TV_STD_PATCH_TABLE,
77 	COMBIOS_LCD_INFO_TABLE,
78 	COMBIOS_MOBILE_INFO_TABLE,
79 	COMBIOS_PLL_INIT_TABLE,
80 	COMBIOS_MEM_CONFIG_TABLE,
81 	COMBIOS_SAVE_MASK_TABLE,
82 	COMBIOS_HARDCODED_EDID_TABLE,
83 	COMBIOS_ASIC_INIT_2_TABLE,
84 	COMBIOS_CONNECTOR_INFO_TABLE,
85 	COMBIOS_DYN_CLK_1_TABLE,
86 	COMBIOS_RESERVED_MEM_TABLE,
87 	COMBIOS_EXT_TMDS_INFO_TABLE,
88 	COMBIOS_MEM_CLK_INFO_TABLE,
89 	COMBIOS_EXT_DAC_INFO_TABLE,
90 	COMBIOS_MISC_INFO_TABLE,
91 	COMBIOS_CRT_INFO_TABLE,
92 	COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE,
93 	COMBIOS_COMPONENT_VIDEO_INFO_TABLE,
94 	COMBIOS_FAN_SPEED_INFO_TABLE,
95 	COMBIOS_OVERDRIVE_INFO_TABLE,
96 	COMBIOS_OEM_INFO_TABLE,
97 	COMBIOS_DYN_CLK_2_TABLE,
98 	COMBIOS_POWER_CONNECTOR_INFO_TABLE,
99 	COMBIOS_I2C_INFO_TABLE,
100 	/* relative offset tables */
101 	COMBIOS_ASIC_INIT_3_TABLE,	/* offset from misc info */
102 	COMBIOS_ASIC_INIT_4_TABLE,	/* offset from misc info */
103 	COMBIOS_DETECTED_MEM_TABLE,	/* offset from misc info */
104 	COMBIOS_ASIC_INIT_5_TABLE,	/* offset from misc info */
105 	COMBIOS_RAM_RESET_TABLE,	/* offset from mem config */
106 	COMBIOS_POWERPLAY_INFO_TABLE,	/* offset from mobile info */
107 	COMBIOS_GPIO_INFO_TABLE,	/* offset from mobile info */
108 	COMBIOS_LCD_DDC_INFO_TABLE,	/* offset from mobile info */
109 	COMBIOS_TMDS_POWER_TABLE,	/* offset from mobile info */
110 	COMBIOS_TMDS_POWER_ON_TABLE,	/* offset from tmds power */
111 	COMBIOS_TMDS_POWER_OFF_TABLE,	/* offset from tmds power */
112 };
113 
114 enum radeon_combios_ddc {
115 	DDC_NONE_DETECTED,
116 	DDC_MONID,
117 	DDC_DVI,
118 	DDC_VGA,
119 	DDC_CRT2,
120 	DDC_LCD,
121 	DDC_GPIO,
122 };
123 
124 enum radeon_combios_connector {
125 	CONNECTOR_NONE_LEGACY,
126 	CONNECTOR_PROPRIETARY_LEGACY,
127 	CONNECTOR_CRT_LEGACY,
128 	CONNECTOR_DVI_I_LEGACY,
129 	CONNECTOR_DVI_D_LEGACY,
130 	CONNECTOR_CTV_LEGACY,
131 	CONNECTOR_STV_LEGACY,
132 	CONNECTOR_UNSUPPORTED_LEGACY
133 };
134 
135 const int legacy_connector_convert[] = {
136 	DRM_MODE_CONNECTOR_Unknown,
137 	DRM_MODE_CONNECTOR_DVID,
138 	DRM_MODE_CONNECTOR_VGA,
139 	DRM_MODE_CONNECTOR_DVII,
140 	DRM_MODE_CONNECTOR_DVID,
141 	DRM_MODE_CONNECTOR_Composite,
142 	DRM_MODE_CONNECTOR_SVIDEO,
143 	DRM_MODE_CONNECTOR_Unknown,
144 };
145 
146 static uint16_t combios_get_table_offset(struct drm_device *dev,
147 					 enum radeon_combios_table_offset table)
148 {
149 	struct radeon_device *rdev = dev->dev_private;
150 	int rev;
151 	uint16_t offset = 0, check_offset;
152 
153 	if (!rdev->bios)
154 		return 0;
155 
156 	switch (table) {
157 		/* absolute offset tables */
158 	case COMBIOS_ASIC_INIT_1_TABLE:
159 		check_offset = RBIOS16(rdev->bios_header_start + 0xc);
160 		if (check_offset)
161 			offset = check_offset;
162 		break;
163 	case COMBIOS_BIOS_SUPPORT_TABLE:
164 		check_offset = RBIOS16(rdev->bios_header_start + 0x14);
165 		if (check_offset)
166 			offset = check_offset;
167 		break;
168 	case COMBIOS_DAC_PROGRAMMING_TABLE:
169 		check_offset = RBIOS16(rdev->bios_header_start + 0x2a);
170 		if (check_offset)
171 			offset = check_offset;
172 		break;
173 	case COMBIOS_MAX_COLOR_DEPTH_TABLE:
174 		check_offset = RBIOS16(rdev->bios_header_start + 0x2c);
175 		if (check_offset)
176 			offset = check_offset;
177 		break;
178 	case COMBIOS_CRTC_INFO_TABLE:
179 		check_offset = RBIOS16(rdev->bios_header_start + 0x2e);
180 		if (check_offset)
181 			offset = check_offset;
182 		break;
183 	case COMBIOS_PLL_INFO_TABLE:
184 		check_offset = RBIOS16(rdev->bios_header_start + 0x30);
185 		if (check_offset)
186 			offset = check_offset;
187 		break;
188 	case COMBIOS_TV_INFO_TABLE:
189 		check_offset = RBIOS16(rdev->bios_header_start + 0x32);
190 		if (check_offset)
191 			offset = check_offset;
192 		break;
193 	case COMBIOS_DFP_INFO_TABLE:
194 		check_offset = RBIOS16(rdev->bios_header_start + 0x34);
195 		if (check_offset)
196 			offset = check_offset;
197 		break;
198 	case COMBIOS_HW_CONFIG_INFO_TABLE:
199 		check_offset = RBIOS16(rdev->bios_header_start + 0x36);
200 		if (check_offset)
201 			offset = check_offset;
202 		break;
203 	case COMBIOS_MULTIMEDIA_INFO_TABLE:
204 		check_offset = RBIOS16(rdev->bios_header_start + 0x38);
205 		if (check_offset)
206 			offset = check_offset;
207 		break;
208 	case COMBIOS_TV_STD_PATCH_TABLE:
209 		check_offset = RBIOS16(rdev->bios_header_start + 0x3e);
210 		if (check_offset)
211 			offset = check_offset;
212 		break;
213 	case COMBIOS_LCD_INFO_TABLE:
214 		check_offset = RBIOS16(rdev->bios_header_start + 0x40);
215 		if (check_offset)
216 			offset = check_offset;
217 		break;
218 	case COMBIOS_MOBILE_INFO_TABLE:
219 		check_offset = RBIOS16(rdev->bios_header_start + 0x42);
220 		if (check_offset)
221 			offset = check_offset;
222 		break;
223 	case COMBIOS_PLL_INIT_TABLE:
224 		check_offset = RBIOS16(rdev->bios_header_start + 0x46);
225 		if (check_offset)
226 			offset = check_offset;
227 		break;
228 	case COMBIOS_MEM_CONFIG_TABLE:
229 		check_offset = RBIOS16(rdev->bios_header_start + 0x48);
230 		if (check_offset)
231 			offset = check_offset;
232 		break;
233 	case COMBIOS_SAVE_MASK_TABLE:
234 		check_offset = RBIOS16(rdev->bios_header_start + 0x4a);
235 		if (check_offset)
236 			offset = check_offset;
237 		break;
238 	case COMBIOS_HARDCODED_EDID_TABLE:
239 		check_offset = RBIOS16(rdev->bios_header_start + 0x4c);
240 		if (check_offset)
241 			offset = check_offset;
242 		break;
243 	case COMBIOS_ASIC_INIT_2_TABLE:
244 		check_offset = RBIOS16(rdev->bios_header_start + 0x4e);
245 		if (check_offset)
246 			offset = check_offset;
247 		break;
248 	case COMBIOS_CONNECTOR_INFO_TABLE:
249 		check_offset = RBIOS16(rdev->bios_header_start + 0x50);
250 		if (check_offset)
251 			offset = check_offset;
252 		break;
253 	case COMBIOS_DYN_CLK_1_TABLE:
254 		check_offset = RBIOS16(rdev->bios_header_start + 0x52);
255 		if (check_offset)
256 			offset = check_offset;
257 		break;
258 	case COMBIOS_RESERVED_MEM_TABLE:
259 		check_offset = RBIOS16(rdev->bios_header_start + 0x54);
260 		if (check_offset)
261 			offset = check_offset;
262 		break;
263 	case COMBIOS_EXT_TMDS_INFO_TABLE:
264 		check_offset = RBIOS16(rdev->bios_header_start + 0x58);
265 		if (check_offset)
266 			offset = check_offset;
267 		break;
268 	case COMBIOS_MEM_CLK_INFO_TABLE:
269 		check_offset = RBIOS16(rdev->bios_header_start + 0x5a);
270 		if (check_offset)
271 			offset = check_offset;
272 		break;
273 	case COMBIOS_EXT_DAC_INFO_TABLE:
274 		check_offset = RBIOS16(rdev->bios_header_start + 0x5c);
275 		if (check_offset)
276 			offset = check_offset;
277 		break;
278 	case COMBIOS_MISC_INFO_TABLE:
279 		check_offset = RBIOS16(rdev->bios_header_start + 0x5e);
280 		if (check_offset)
281 			offset = check_offset;
282 		break;
283 	case COMBIOS_CRT_INFO_TABLE:
284 		check_offset = RBIOS16(rdev->bios_header_start + 0x60);
285 		if (check_offset)
286 			offset = check_offset;
287 		break;
288 	case COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE:
289 		check_offset = RBIOS16(rdev->bios_header_start + 0x62);
290 		if (check_offset)
291 			offset = check_offset;
292 		break;
293 	case COMBIOS_COMPONENT_VIDEO_INFO_TABLE:
294 		check_offset = RBIOS16(rdev->bios_header_start + 0x64);
295 		if (check_offset)
296 			offset = check_offset;
297 		break;
298 	case COMBIOS_FAN_SPEED_INFO_TABLE:
299 		check_offset = RBIOS16(rdev->bios_header_start + 0x66);
300 		if (check_offset)
301 			offset = check_offset;
302 		break;
303 	case COMBIOS_OVERDRIVE_INFO_TABLE:
304 		check_offset = RBIOS16(rdev->bios_header_start + 0x68);
305 		if (check_offset)
306 			offset = check_offset;
307 		break;
308 	case COMBIOS_OEM_INFO_TABLE:
309 		check_offset = RBIOS16(rdev->bios_header_start + 0x6a);
310 		if (check_offset)
311 			offset = check_offset;
312 		break;
313 	case COMBIOS_DYN_CLK_2_TABLE:
314 		check_offset = RBIOS16(rdev->bios_header_start + 0x6c);
315 		if (check_offset)
316 			offset = check_offset;
317 		break;
318 	case COMBIOS_POWER_CONNECTOR_INFO_TABLE:
319 		check_offset = RBIOS16(rdev->bios_header_start + 0x6e);
320 		if (check_offset)
321 			offset = check_offset;
322 		break;
323 	case COMBIOS_I2C_INFO_TABLE:
324 		check_offset = RBIOS16(rdev->bios_header_start + 0x70);
325 		if (check_offset)
326 			offset = check_offset;
327 		break;
328 		/* relative offset tables */
329 	case COMBIOS_ASIC_INIT_3_TABLE:	/* offset from misc info */
330 		check_offset =
331 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
332 		if (check_offset) {
333 			rev = RBIOS8(check_offset);
334 			if (rev > 0) {
335 				check_offset = RBIOS16(check_offset + 0x3);
336 				if (check_offset)
337 					offset = check_offset;
338 			}
339 		}
340 		break;
341 	case COMBIOS_ASIC_INIT_4_TABLE:	/* offset from misc info */
342 		check_offset =
343 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
344 		if (check_offset) {
345 			rev = RBIOS8(check_offset);
346 			if (rev > 0) {
347 				check_offset = RBIOS16(check_offset + 0x5);
348 				if (check_offset)
349 					offset = check_offset;
350 			}
351 		}
352 		break;
353 	case COMBIOS_DETECTED_MEM_TABLE:	/* offset from misc info */
354 		check_offset =
355 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
356 		if (check_offset) {
357 			rev = RBIOS8(check_offset);
358 			if (rev > 0) {
359 				check_offset = RBIOS16(check_offset + 0x7);
360 				if (check_offset)
361 					offset = check_offset;
362 			}
363 		}
364 		break;
365 	case COMBIOS_ASIC_INIT_5_TABLE:	/* offset from misc info */
366 		check_offset =
367 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
368 		if (check_offset) {
369 			rev = RBIOS8(check_offset);
370 			if (rev == 2) {
371 				check_offset = RBIOS16(check_offset + 0x9);
372 				if (check_offset)
373 					offset = check_offset;
374 			}
375 		}
376 		break;
377 	case COMBIOS_RAM_RESET_TABLE:	/* offset from mem config */
378 		check_offset =
379 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
380 		if (check_offset) {
381 			while (RBIOS8(check_offset++));
382 			check_offset += 2;
383 			if (check_offset)
384 				offset = check_offset;
385 		}
386 		break;
387 	case COMBIOS_POWERPLAY_INFO_TABLE:	/* offset from mobile info */
388 		check_offset =
389 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
390 		if (check_offset) {
391 			check_offset = RBIOS16(check_offset + 0x11);
392 			if (check_offset)
393 				offset = check_offset;
394 		}
395 		break;
396 	case COMBIOS_GPIO_INFO_TABLE:	/* offset from mobile info */
397 		check_offset =
398 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
399 		if (check_offset) {
400 			check_offset = RBIOS16(check_offset + 0x13);
401 			if (check_offset)
402 				offset = check_offset;
403 		}
404 		break;
405 	case COMBIOS_LCD_DDC_INFO_TABLE:	/* offset from mobile info */
406 		check_offset =
407 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
408 		if (check_offset) {
409 			check_offset = RBIOS16(check_offset + 0x15);
410 			if (check_offset)
411 				offset = check_offset;
412 		}
413 		break;
414 	case COMBIOS_TMDS_POWER_TABLE:	/* offset from mobile info */
415 		check_offset =
416 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
417 		if (check_offset) {
418 			check_offset = RBIOS16(check_offset + 0x17);
419 			if (check_offset)
420 				offset = check_offset;
421 		}
422 		break;
423 	case COMBIOS_TMDS_POWER_ON_TABLE:	/* offset from tmds power */
424 		check_offset =
425 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
426 		if (check_offset) {
427 			check_offset = RBIOS16(check_offset + 0x2);
428 			if (check_offset)
429 				offset = check_offset;
430 		}
431 		break;
432 	case COMBIOS_TMDS_POWER_OFF_TABLE:	/* offset from tmds power */
433 		check_offset =
434 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
435 		if (check_offset) {
436 			check_offset = RBIOS16(check_offset + 0x4);
437 			if (check_offset)
438 				offset = check_offset;
439 		}
440 		break;
441 	default:
442 		break;
443 	}
444 
445 	return offset;
446 
447 }
448 
449 bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev)
450 {
451 	int edid_info, size;
452 	struct edid *edid;
453 	unsigned char *raw;
454 	edid_info = combios_get_table_offset(rdev->ddev, COMBIOS_HARDCODED_EDID_TABLE);
455 	if (!edid_info)
456 		return false;
457 
458 	raw = rdev->bios + edid_info;
459 	size = EDID_LENGTH * (raw[0x7e] + 1);
460 	edid = kmalloc(size, GFP_KERNEL);
461 	if (edid == NULL)
462 		return false;
463 
464 	memcpy((unsigned char *)edid, raw, size);
465 
466 	if (!drm_edid_is_valid(edid)) {
467 		kfree(edid);
468 		return false;
469 	}
470 
471 	rdev->mode_info.bios_hardcoded_edid = edid;
472 	rdev->mode_info.bios_hardcoded_edid_size = size;
473 	return true;
474 }
475 
476 /* this is used for atom LCDs as well */
477 struct edid *
478 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev)
479 {
480 	struct edid *edid;
481 
482 	if (rdev->mode_info.bios_hardcoded_edid) {
483 		edid = kmalloc(rdev->mode_info.bios_hardcoded_edid_size, GFP_KERNEL);
484 		if (edid) {
485 			memcpy((unsigned char *)edid,
486 			       (unsigned char *)rdev->mode_info.bios_hardcoded_edid,
487 			       rdev->mode_info.bios_hardcoded_edid_size);
488 			return edid;
489 		}
490 	}
491 	return NULL;
492 }
493 
494 static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
495 						       enum radeon_combios_ddc ddc,
496 						       u32 clk_mask,
497 						       u32 data_mask)
498 {
499 	struct radeon_i2c_bus_rec i2c;
500 	int ddc_line = 0;
501 
502 	/* ddc id            = mask reg
503 	 * DDC_NONE_DETECTED = none
504 	 * DDC_DVI           = RADEON_GPIO_DVI_DDC
505 	 * DDC_VGA           = RADEON_GPIO_VGA_DDC
506 	 * DDC_LCD           = RADEON_GPIOPAD_MASK
507 	 * DDC_GPIO          = RADEON_MDGPIO_MASK
508 	 * r1xx
509 	 * DDC_MONID         = RADEON_GPIO_MONID
510 	 * DDC_CRT2          = RADEON_GPIO_CRT2_DDC
511 	 * r200
512 	 * DDC_MONID         = RADEON_GPIO_MONID
513 	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
514 	 * r300/r350
515 	 * DDC_MONID         = RADEON_GPIO_DVI_DDC
516 	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
517 	 * rv2xx/rv3xx
518 	 * DDC_MONID         = RADEON_GPIO_MONID
519 	 * DDC_CRT2          = RADEON_GPIO_MONID
520 	 * rs3xx/rs4xx
521 	 * DDC_MONID         = RADEON_GPIOPAD_MASK
522 	 * DDC_CRT2          = RADEON_GPIO_MONID
523 	 */
524 	switch (ddc) {
525 	case DDC_NONE_DETECTED:
526 	default:
527 		ddc_line = 0;
528 		break;
529 	case DDC_DVI:
530 		ddc_line = RADEON_GPIO_DVI_DDC;
531 		break;
532 	case DDC_VGA:
533 		ddc_line = RADEON_GPIO_VGA_DDC;
534 		break;
535 	case DDC_LCD:
536 		ddc_line = RADEON_GPIOPAD_MASK;
537 		break;
538 	case DDC_GPIO:
539 		ddc_line = RADEON_MDGPIO_MASK;
540 		break;
541 	case DDC_MONID:
542 		if (rdev->family == CHIP_RS300 ||
543 		    rdev->family == CHIP_RS400 ||
544 		    rdev->family == CHIP_RS480)
545 			ddc_line = RADEON_GPIOPAD_MASK;
546 		else if (rdev->family == CHIP_R300 ||
547 			 rdev->family == CHIP_R350) {
548 			ddc_line = RADEON_GPIO_DVI_DDC;
549 			ddc = DDC_DVI;
550 		} else
551 			ddc_line = RADEON_GPIO_MONID;
552 		break;
553 	case DDC_CRT2:
554 		if (rdev->family == CHIP_R200 ||
555 		    rdev->family == CHIP_R300 ||
556 		    rdev->family == CHIP_R350) {
557 			ddc_line = RADEON_GPIO_DVI_DDC;
558 			ddc = DDC_DVI;
559 		} else if (rdev->family == CHIP_RS300 ||
560 			   rdev->family == CHIP_RS400 ||
561 			   rdev->family == CHIP_RS480)
562 			ddc_line = RADEON_GPIO_MONID;
563 		else if (rdev->family >= CHIP_RV350) {
564 			ddc_line = RADEON_GPIO_MONID;
565 			ddc = DDC_MONID;
566 		} else
567 			ddc_line = RADEON_GPIO_CRT2_DDC;
568 		break;
569 	}
570 
571 	if (ddc_line == RADEON_GPIOPAD_MASK) {
572 		i2c.mask_clk_reg = RADEON_GPIOPAD_MASK;
573 		i2c.mask_data_reg = RADEON_GPIOPAD_MASK;
574 		i2c.a_clk_reg = RADEON_GPIOPAD_A;
575 		i2c.a_data_reg = RADEON_GPIOPAD_A;
576 		i2c.en_clk_reg = RADEON_GPIOPAD_EN;
577 		i2c.en_data_reg = RADEON_GPIOPAD_EN;
578 		i2c.y_clk_reg = RADEON_GPIOPAD_Y;
579 		i2c.y_data_reg = RADEON_GPIOPAD_Y;
580 	} else if (ddc_line == RADEON_MDGPIO_MASK) {
581 		i2c.mask_clk_reg = RADEON_MDGPIO_MASK;
582 		i2c.mask_data_reg = RADEON_MDGPIO_MASK;
583 		i2c.a_clk_reg = RADEON_MDGPIO_A;
584 		i2c.a_data_reg = RADEON_MDGPIO_A;
585 		i2c.en_clk_reg = RADEON_MDGPIO_EN;
586 		i2c.en_data_reg = RADEON_MDGPIO_EN;
587 		i2c.y_clk_reg = RADEON_MDGPIO_Y;
588 		i2c.y_data_reg = RADEON_MDGPIO_Y;
589 	} else {
590 		i2c.mask_clk_reg = ddc_line;
591 		i2c.mask_data_reg = ddc_line;
592 		i2c.a_clk_reg = ddc_line;
593 		i2c.a_data_reg = ddc_line;
594 		i2c.en_clk_reg = ddc_line;
595 		i2c.en_data_reg = ddc_line;
596 		i2c.y_clk_reg = ddc_line;
597 		i2c.y_data_reg = ddc_line;
598 	}
599 
600 	if (clk_mask && data_mask) {
601 		/* system specific masks */
602 		i2c.mask_clk_mask = clk_mask;
603 		i2c.mask_data_mask = data_mask;
604 		i2c.a_clk_mask = clk_mask;
605 		i2c.a_data_mask = data_mask;
606 		i2c.en_clk_mask = clk_mask;
607 		i2c.en_data_mask = data_mask;
608 		i2c.y_clk_mask = clk_mask;
609 		i2c.y_data_mask = data_mask;
610 	} else if ((ddc_line == RADEON_GPIOPAD_MASK) ||
611 		   (ddc_line == RADEON_MDGPIO_MASK)) {
612 		/* default gpiopad masks */
613 		i2c.mask_clk_mask = (0x20 << 8);
614 		i2c.mask_data_mask = 0x80;
615 		i2c.a_clk_mask = (0x20 << 8);
616 		i2c.a_data_mask = 0x80;
617 		i2c.en_clk_mask = (0x20 << 8);
618 		i2c.en_data_mask = 0x80;
619 		i2c.y_clk_mask = (0x20 << 8);
620 		i2c.y_data_mask = 0x80;
621 	} else {
622 		/* default masks for ddc pads */
623 		i2c.mask_clk_mask = RADEON_GPIO_MASK_1;
624 		i2c.mask_data_mask = RADEON_GPIO_MASK_0;
625 		i2c.a_clk_mask = RADEON_GPIO_A_1;
626 		i2c.a_data_mask = RADEON_GPIO_A_0;
627 		i2c.en_clk_mask = RADEON_GPIO_EN_1;
628 		i2c.en_data_mask = RADEON_GPIO_EN_0;
629 		i2c.y_clk_mask = RADEON_GPIO_Y_1;
630 		i2c.y_data_mask = RADEON_GPIO_Y_0;
631 	}
632 
633 	switch (rdev->family) {
634 	case CHIP_R100:
635 	case CHIP_RV100:
636 	case CHIP_RS100:
637 	case CHIP_RV200:
638 	case CHIP_RS200:
639 	case CHIP_RS300:
640 		switch (ddc_line) {
641 		case RADEON_GPIO_DVI_DDC:
642 			i2c.hw_capable = true;
643 			break;
644 		default:
645 			i2c.hw_capable = false;
646 			break;
647 		}
648 		break;
649 	case CHIP_R200:
650 		switch (ddc_line) {
651 		case RADEON_GPIO_DVI_DDC:
652 		case RADEON_GPIO_MONID:
653 			i2c.hw_capable = true;
654 			break;
655 		default:
656 			i2c.hw_capable = false;
657 			break;
658 		}
659 		break;
660 	case CHIP_RV250:
661 	case CHIP_RV280:
662 		switch (ddc_line) {
663 		case RADEON_GPIO_VGA_DDC:
664 		case RADEON_GPIO_DVI_DDC:
665 		case RADEON_GPIO_CRT2_DDC:
666 			i2c.hw_capable = true;
667 			break;
668 		default:
669 			i2c.hw_capable = false;
670 			break;
671 		}
672 		break;
673 	case CHIP_R300:
674 	case CHIP_R350:
675 		switch (ddc_line) {
676 		case RADEON_GPIO_VGA_DDC:
677 		case RADEON_GPIO_DVI_DDC:
678 			i2c.hw_capable = true;
679 			break;
680 		default:
681 			i2c.hw_capable = false;
682 			break;
683 		}
684 		break;
685 	case CHIP_RV350:
686 	case CHIP_RV380:
687 	case CHIP_RS400:
688 	case CHIP_RS480:
689 		switch (ddc_line) {
690 		case RADEON_GPIO_VGA_DDC:
691 		case RADEON_GPIO_DVI_DDC:
692 			i2c.hw_capable = true;
693 			break;
694 		case RADEON_GPIO_MONID:
695 			/* hw i2c on RADEON_GPIO_MONID doesn't seem to work
696 			 * reliably on some pre-r4xx hardware; not sure why.
697 			 */
698 			i2c.hw_capable = false;
699 			break;
700 		default:
701 			i2c.hw_capable = false;
702 			break;
703 		}
704 		break;
705 	default:
706 		i2c.hw_capable = false;
707 		break;
708 	}
709 	i2c.mm_i2c = false;
710 
711 	i2c.i2c_id = ddc;
712 	i2c.hpd = RADEON_HPD_NONE;
713 
714 	if (ddc_line)
715 		i2c.valid = true;
716 	else
717 		i2c.valid = false;
718 
719 	return i2c;
720 }
721 
722 static struct radeon_i2c_bus_rec radeon_combios_get_i2c_info_from_table(struct radeon_device *rdev)
723 {
724 	struct drm_device *dev = rdev->ddev;
725 	struct radeon_i2c_bus_rec i2c;
726 	u16 offset;
727 	u8 id, blocks, clk, data;
728 	int i;
729 
730 	i2c.valid = false;
731 
732 	offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE);
733 	if (offset) {
734 		blocks = RBIOS8(offset + 2);
735 		for (i = 0; i < blocks; i++) {
736 			id = RBIOS8(offset + 3 + (i * 5) + 0);
737 			if (id == 136) {
738 				clk = RBIOS8(offset + 3 + (i * 5) + 3);
739 				data = RBIOS8(offset + 3 + (i * 5) + 4);
740 				/* gpiopad */
741 				i2c = combios_setup_i2c_bus(rdev, DDC_MONID,
742 							    (1 << clk), (1 << data));
743 				break;
744 			}
745 		}
746 	}
747 	return i2c;
748 }
749 
750 void radeon_combios_i2c_init(struct radeon_device *rdev)
751 {
752 	struct drm_device *dev = rdev->ddev;
753 	struct radeon_i2c_bus_rec i2c;
754 
755 	/* actual hw pads
756 	 * r1xx/rs2xx/rs3xx
757 	 * 0x60, 0x64, 0x68, 0x6c, gpiopads, mm
758 	 * r200
759 	 * 0x60, 0x64, 0x68, mm
760 	 * r300/r350
761 	 * 0x60, 0x64, mm
762 	 * rv2xx/rv3xx/rs4xx
763 	 * 0x60, 0x64, 0x68, gpiopads, mm
764 	 */
765 
766 	/* 0x60 */
767 	i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
768 	rdev->i2c_bus[0] = radeon_i2c_create(dev, &i2c, "DVI_DDC");
769 	/* 0x64 */
770 	i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
771 	rdev->i2c_bus[1] = radeon_i2c_create(dev, &i2c, "VGA_DDC");
772 
773 	/* mm i2c */
774 	i2c.valid = true;
775 	i2c.hw_capable = true;
776 	i2c.mm_i2c = true;
777 	i2c.i2c_id = 0xa0;
778 	rdev->i2c_bus[2] = radeon_i2c_create(dev, &i2c, "MM_I2C");
779 
780 	if (rdev->family == CHIP_R300 ||
781 	    rdev->family == CHIP_R350) {
782 		/* only 2 sw i2c pads */
783 	} else if (rdev->family == CHIP_RS300 ||
784 		   rdev->family == CHIP_RS400 ||
785 		   rdev->family == CHIP_RS480) {
786 		/* 0x68 */
787 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
788 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
789 
790 		/* gpiopad */
791 		i2c = radeon_combios_get_i2c_info_from_table(rdev);
792 		if (i2c.valid)
793 			rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "GPIOPAD_MASK");
794 	} else if ((rdev->family == CHIP_R200) ||
795 		   (rdev->family >= CHIP_R300)) {
796 		/* 0x68 */
797 		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
798 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
799 	} else {
800 		/* 0x68 */
801 		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
802 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
803 		/* 0x6c */
804 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
805 		rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "CRT2_DDC");
806 	}
807 }
808 
809 bool radeon_combios_get_clock_info(struct drm_device *dev)
810 {
811 	struct radeon_device *rdev = dev->dev_private;
812 	uint16_t pll_info;
813 	struct radeon_pll *p1pll = &rdev->clock.p1pll;
814 	struct radeon_pll *p2pll = &rdev->clock.p2pll;
815 	struct radeon_pll *spll = &rdev->clock.spll;
816 	struct radeon_pll *mpll = &rdev->clock.mpll;
817 	int8_t rev;
818 	uint16_t sclk, mclk;
819 
820 	pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
821 	if (pll_info) {
822 		rev = RBIOS8(pll_info);
823 
824 		/* pixel clocks */
825 		p1pll->reference_freq = RBIOS16(pll_info + 0xe);
826 		p1pll->reference_div = RBIOS16(pll_info + 0x10);
827 		p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
828 		p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
829 		p1pll->lcd_pll_out_min = p1pll->pll_out_min;
830 		p1pll->lcd_pll_out_max = p1pll->pll_out_max;
831 
832 		if (rev > 9) {
833 			p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
834 			p1pll->pll_in_max = RBIOS32(pll_info + 0x3a);
835 		} else {
836 			p1pll->pll_in_min = 40;
837 			p1pll->pll_in_max = 500;
838 		}
839 		*p2pll = *p1pll;
840 
841 		/* system clock */
842 		spll->reference_freq = RBIOS16(pll_info + 0x1a);
843 		spll->reference_div = RBIOS16(pll_info + 0x1c);
844 		spll->pll_out_min = RBIOS32(pll_info + 0x1e);
845 		spll->pll_out_max = RBIOS32(pll_info + 0x22);
846 
847 		if (rev > 10) {
848 			spll->pll_in_min = RBIOS32(pll_info + 0x48);
849 			spll->pll_in_max = RBIOS32(pll_info + 0x4c);
850 		} else {
851 			/* ??? */
852 			spll->pll_in_min = 40;
853 			spll->pll_in_max = 500;
854 		}
855 
856 		/* memory clock */
857 		mpll->reference_freq = RBIOS16(pll_info + 0x26);
858 		mpll->reference_div = RBIOS16(pll_info + 0x28);
859 		mpll->pll_out_min = RBIOS32(pll_info + 0x2a);
860 		mpll->pll_out_max = RBIOS32(pll_info + 0x2e);
861 
862 		if (rev > 10) {
863 			mpll->pll_in_min = RBIOS32(pll_info + 0x5a);
864 			mpll->pll_in_max = RBIOS32(pll_info + 0x5e);
865 		} else {
866 			/* ??? */
867 			mpll->pll_in_min = 40;
868 			mpll->pll_in_max = 500;
869 		}
870 
871 		/* default sclk/mclk */
872 		sclk = RBIOS16(pll_info + 0xa);
873 		mclk = RBIOS16(pll_info + 0x8);
874 		if (sclk == 0)
875 			sclk = 200 * 100;
876 		if (mclk == 0)
877 			mclk = 200 * 100;
878 
879 		rdev->clock.default_sclk = sclk;
880 		rdev->clock.default_mclk = mclk;
881 
882 		if (RBIOS32(pll_info + 0x16))
883 			rdev->clock.max_pixel_clock = RBIOS32(pll_info + 0x16);
884 		else
885 			rdev->clock.max_pixel_clock = 35000; /* might need something asic specific */
886 
887 		return true;
888 	}
889 	return false;
890 }
891 
892 bool radeon_combios_sideport_present(struct radeon_device *rdev)
893 {
894 	struct drm_device *dev = rdev->ddev;
895 	u16 igp_info;
896 
897 	/* sideport is AMD only */
898 	if (rdev->family == CHIP_RS400)
899 		return false;
900 
901 	igp_info = combios_get_table_offset(dev, COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE);
902 
903 	if (igp_info) {
904 		if (RBIOS16(igp_info + 0x4))
905 			return true;
906 	}
907 	return false;
908 }
909 
910 static const uint32_t default_primarydac_adj[CHIP_LAST] = {
911 	0x00000808,		/* r100  */
912 	0x00000808,		/* rv100 */
913 	0x00000808,		/* rs100 */
914 	0x00000808,		/* rv200 */
915 	0x00000808,		/* rs200 */
916 	0x00000808,		/* r200  */
917 	0x00000808,		/* rv250 */
918 	0x00000000,		/* rs300 */
919 	0x00000808,		/* rv280 */
920 	0x00000808,		/* r300  */
921 	0x00000808,		/* r350  */
922 	0x00000808,		/* rv350 */
923 	0x00000808,		/* rv380 */
924 	0x00000808,		/* r420  */
925 	0x00000808,		/* r423  */
926 	0x00000808,		/* rv410 */
927 	0x00000000,		/* rs400 */
928 	0x00000000,		/* rs480 */
929 };
930 
931 static void radeon_legacy_get_primary_dac_info_from_table(struct radeon_device *rdev,
932 							  struct radeon_encoder_primary_dac *p_dac)
933 {
934 	p_dac->ps2_pdac_adj = default_primarydac_adj[rdev->family];
935 	return;
936 }
937 
938 struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
939 								       radeon_encoder
940 								       *encoder)
941 {
942 	struct drm_device *dev = encoder->base.dev;
943 	struct radeon_device *rdev = dev->dev_private;
944 	uint16_t dac_info;
945 	uint8_t rev, bg, dac;
946 	struct radeon_encoder_primary_dac *p_dac = NULL;
947 	int found = 0;
948 
949 	p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac),
950 			GFP_KERNEL);
951 
952 	if (!p_dac)
953 		return NULL;
954 
955 	/* check CRT table */
956 	dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
957 	if (dac_info) {
958 		rev = RBIOS8(dac_info) & 0x3;
959 		if (rev < 2) {
960 			bg = RBIOS8(dac_info + 0x2) & 0xf;
961 			dac = (RBIOS8(dac_info + 0x2) >> 4) & 0xf;
962 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
963 		} else {
964 			bg = RBIOS8(dac_info + 0x2) & 0xf;
965 			dac = RBIOS8(dac_info + 0x3) & 0xf;
966 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
967 		}
968 		/* if the values are all zeros, use the table */
969 		if (p_dac->ps2_pdac_adj)
970 			found = 1;
971 	}
972 
973 	if (!found) /* fallback to defaults */
974 		radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac);
975 
976 	return p_dac;
977 }
978 
979 enum radeon_tv_std
980 radeon_combios_get_tv_info(struct radeon_device *rdev)
981 {
982 	struct drm_device *dev = rdev->ddev;
983 	uint16_t tv_info;
984 	enum radeon_tv_std tv_std = TV_STD_NTSC;
985 
986 	tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
987 	if (tv_info) {
988 		if (RBIOS8(tv_info + 6) == 'T') {
989 			switch (RBIOS8(tv_info + 7) & 0xf) {
990 			case 1:
991 				tv_std = TV_STD_NTSC;
992 				DRM_DEBUG_KMS("Default TV standard: NTSC\n");
993 				break;
994 			case 2:
995 				tv_std = TV_STD_PAL;
996 				DRM_DEBUG_KMS("Default TV standard: PAL\n");
997 				break;
998 			case 3:
999 				tv_std = TV_STD_PAL_M;
1000 				DRM_DEBUG_KMS("Default TV standard: PAL-M\n");
1001 				break;
1002 			case 4:
1003 				tv_std = TV_STD_PAL_60;
1004 				DRM_DEBUG_KMS("Default TV standard: PAL-60\n");
1005 				break;
1006 			case 5:
1007 				tv_std = TV_STD_NTSC_J;
1008 				DRM_DEBUG_KMS("Default TV standard: NTSC-J\n");
1009 				break;
1010 			case 6:
1011 				tv_std = TV_STD_SCART_PAL;
1012 				DRM_DEBUG_KMS("Default TV standard: SCART-PAL\n");
1013 				break;
1014 			default:
1015 				tv_std = TV_STD_NTSC;
1016 				DRM_DEBUG_KMS
1017 				    ("Unknown TV standard; defaulting to NTSC\n");
1018 				break;
1019 			}
1020 
1021 			switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
1022 			case 0:
1023 				DRM_DEBUG_KMS("29.498928713 MHz TV ref clk\n");
1024 				break;
1025 			case 1:
1026 				DRM_DEBUG_KMS("28.636360000 MHz TV ref clk\n");
1027 				break;
1028 			case 2:
1029 				DRM_DEBUG_KMS("14.318180000 MHz TV ref clk\n");
1030 				break;
1031 			case 3:
1032 				DRM_DEBUG_KMS("27.000000000 MHz TV ref clk\n");
1033 				break;
1034 			default:
1035 				break;
1036 			}
1037 		}
1038 	}
1039 	return tv_std;
1040 }
1041 
1042 static const uint32_t default_tvdac_adj[CHIP_LAST] = {
1043 	0x00000000,		/* r100  */
1044 	0x00280000,		/* rv100 */
1045 	0x00000000,		/* rs100 */
1046 	0x00880000,		/* rv200 */
1047 	0x00000000,		/* rs200 */
1048 	0x00000000,		/* r200  */
1049 	0x00770000,		/* rv250 */
1050 	0x00290000,		/* rs300 */
1051 	0x00560000,		/* rv280 */
1052 	0x00780000,		/* r300  */
1053 	0x00770000,		/* r350  */
1054 	0x00780000,		/* rv350 */
1055 	0x00780000,		/* rv380 */
1056 	0x01080000,		/* r420  */
1057 	0x01080000,		/* r423  */
1058 	0x01080000,		/* rv410 */
1059 	0x00780000,		/* rs400 */
1060 	0x00780000,		/* rs480 */
1061 };
1062 
1063 static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
1064 						     struct radeon_encoder_tv_dac *tv_dac)
1065 {
1066 	tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
1067 	if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
1068 		tv_dac->ps2_tvdac_adj = 0x00880000;
1069 	tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1070 	tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1071 	return;
1072 }
1073 
1074 struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
1075 							     radeon_encoder
1076 							     *encoder)
1077 {
1078 	struct drm_device *dev = encoder->base.dev;
1079 	struct radeon_device *rdev = dev->dev_private;
1080 	uint16_t dac_info;
1081 	uint8_t rev, bg, dac;
1082 	struct radeon_encoder_tv_dac *tv_dac = NULL;
1083 	int found = 0;
1084 
1085 	tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
1086 	if (!tv_dac)
1087 		return NULL;
1088 
1089 	/* first check TV table */
1090 	dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
1091 	if (dac_info) {
1092 		rev = RBIOS8(dac_info + 0x3);
1093 		if (rev > 4) {
1094 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1095 			dac = RBIOS8(dac_info + 0xd) & 0xf;
1096 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1097 
1098 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1099 			dac = RBIOS8(dac_info + 0xf) & 0xf;
1100 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1101 
1102 			bg = RBIOS8(dac_info + 0x10) & 0xf;
1103 			dac = RBIOS8(dac_info + 0x11) & 0xf;
1104 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1105 			/* if the values are all zeros, use the table */
1106 			if (tv_dac->ps2_tvdac_adj)
1107 				found = 1;
1108 		} else if (rev > 1) {
1109 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1110 			dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
1111 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1112 
1113 			bg = RBIOS8(dac_info + 0xd) & 0xf;
1114 			dac = (RBIOS8(dac_info + 0xd) >> 4) & 0xf;
1115 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1116 
1117 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1118 			dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
1119 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1120 			/* if the values are all zeros, use the table */
1121 			if (tv_dac->ps2_tvdac_adj)
1122 				found = 1;
1123 		}
1124 		tv_dac->tv_std = radeon_combios_get_tv_info(rdev);
1125 	}
1126 	if (!found) {
1127 		/* then check CRT table */
1128 		dac_info =
1129 		    combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
1130 		if (dac_info) {
1131 			rev = RBIOS8(dac_info) & 0x3;
1132 			if (rev < 2) {
1133 				bg = RBIOS8(dac_info + 0x3) & 0xf;
1134 				dac = (RBIOS8(dac_info + 0x3) >> 4) & 0xf;
1135 				tv_dac->ps2_tvdac_adj =
1136 				    (bg << 16) | (dac << 20);
1137 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1138 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1139 				/* if the values are all zeros, use the table */
1140 				if (tv_dac->ps2_tvdac_adj)
1141 					found = 1;
1142 			} else {
1143 				bg = RBIOS8(dac_info + 0x4) & 0xf;
1144 				dac = RBIOS8(dac_info + 0x5) & 0xf;
1145 				tv_dac->ps2_tvdac_adj =
1146 				    (bg << 16) | (dac << 20);
1147 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1148 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1149 				/* if the values are all zeros, use the table */
1150 				if (tv_dac->ps2_tvdac_adj)
1151 					found = 1;
1152 			}
1153 		} else {
1154 			DRM_INFO("No TV DAC info found in BIOS\n");
1155 		}
1156 	}
1157 
1158 	if (!found) /* fallback to defaults */
1159 		radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
1160 
1161 	return tv_dac;
1162 }
1163 
1164 static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
1165 									 radeon_device
1166 									 *rdev)
1167 {
1168 	struct radeon_encoder_lvds *lvds = NULL;
1169 	uint32_t fp_vert_stretch, fp_horz_stretch;
1170 	uint32_t ppll_div_sel, ppll_val;
1171 	uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
1172 
1173 	lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1174 
1175 	if (!lvds)
1176 		return NULL;
1177 
1178 	fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH);
1179 	fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH);
1180 
1181 	/* These should be fail-safe defaults, fingers crossed */
1182 	lvds->panel_pwr_delay = 200;
1183 	lvds->panel_vcc_delay = 2000;
1184 
1185 	lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
1186 	lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf;
1187 	lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf;
1188 
1189 	if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
1190 		lvds->native_mode.vdisplay =
1191 		    ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
1192 		     RADEON_VERT_PANEL_SHIFT) + 1;
1193 	else
1194 		lvds->native_mode.vdisplay =
1195 		    (RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;
1196 
1197 	if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
1198 		lvds->native_mode.hdisplay =
1199 		    (((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
1200 		      RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
1201 	else
1202 		lvds->native_mode.hdisplay =
1203 		    ((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;
1204 
1205 	if ((lvds->native_mode.hdisplay < 640) ||
1206 	    (lvds->native_mode.vdisplay < 480)) {
1207 		lvds->native_mode.hdisplay = 640;
1208 		lvds->native_mode.vdisplay = 480;
1209 	}
1210 
1211 	ppll_div_sel = RREG8(RADEON_CLOCK_CNTL_INDEX + 1) & 0x3;
1212 	ppll_val = RREG32_PLL(RADEON_PPLL_DIV_0 + ppll_div_sel);
1213 	if ((ppll_val & 0x000707ff) == 0x1bb)
1214 		lvds->use_bios_dividers = false;
1215 	else {
1216 		lvds->panel_ref_divider =
1217 		    RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
1218 		lvds->panel_post_divider = (ppll_val >> 16) & 0x7;
1219 		lvds->panel_fb_divider = ppll_val & 0x7ff;
1220 
1221 		if ((lvds->panel_ref_divider != 0) &&
1222 		    (lvds->panel_fb_divider > 3))
1223 			lvds->use_bios_dividers = true;
1224 	}
1225 	lvds->panel_vcc_delay = 200;
1226 
1227 	DRM_INFO("Panel info derived from registers\n");
1228 	DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1229 		 lvds->native_mode.vdisplay);
1230 
1231 	return lvds;
1232 }
1233 
1234 struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
1235 							 *encoder)
1236 {
1237 	struct drm_device *dev = encoder->base.dev;
1238 	struct radeon_device *rdev = dev->dev_private;
1239 	uint16_t lcd_info;
1240 	uint32_t panel_setup;
1241 	char stmp[30];
1242 	int tmp, i;
1243 	struct radeon_encoder_lvds *lvds = NULL;
1244 
1245 	lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
1246 
1247 	if (lcd_info) {
1248 		lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1249 
1250 		if (!lvds)
1251 			return NULL;
1252 
1253 		for (i = 0; i < 24; i++)
1254 			stmp[i] = RBIOS8(lcd_info + i + 1);
1255 		stmp[24] = 0;
1256 
1257 		DRM_INFO("Panel ID String: %s\n", stmp);
1258 
1259 		lvds->native_mode.hdisplay = RBIOS16(lcd_info + 0x19);
1260 		lvds->native_mode.vdisplay = RBIOS16(lcd_info + 0x1b);
1261 
1262 		DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1263 			 lvds->native_mode.vdisplay);
1264 
1265 		lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
1266 		lvds->panel_vcc_delay = min_t(u16, lvds->panel_vcc_delay, 2000);
1267 
1268 		lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24);
1269 		lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf;
1270 		lvds->panel_blon_delay = (RBIOS16(lcd_info + 0x38) >> 4) & 0xf;
1271 
1272 		lvds->panel_ref_divider = RBIOS16(lcd_info + 0x2e);
1273 		lvds->panel_post_divider = RBIOS8(lcd_info + 0x30);
1274 		lvds->panel_fb_divider = RBIOS16(lcd_info + 0x31);
1275 		if ((lvds->panel_ref_divider != 0) &&
1276 		    (lvds->panel_fb_divider > 3))
1277 			lvds->use_bios_dividers = true;
1278 
1279 		panel_setup = RBIOS32(lcd_info + 0x39);
1280 		lvds->lvds_gen_cntl = 0xff00;
1281 		if (panel_setup & 0x1)
1282 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
1283 
1284 		if ((panel_setup >> 4) & 0x1)
1285 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
1286 
1287 		switch ((panel_setup >> 8) & 0x7) {
1288 		case 0:
1289 			lvds->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
1290 			break;
1291 		case 1:
1292 			lvds->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
1293 			break;
1294 		case 2:
1295 			lvds->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
1296 			break;
1297 		default:
1298 			break;
1299 		}
1300 
1301 		if ((panel_setup >> 16) & 0x1)
1302 			lvds->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
1303 
1304 		if ((panel_setup >> 17) & 0x1)
1305 			lvds->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
1306 
1307 		if ((panel_setup >> 18) & 0x1)
1308 			lvds->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
1309 
1310 		if ((panel_setup >> 23) & 0x1)
1311 			lvds->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
1312 
1313 		lvds->lvds_gen_cntl |= (panel_setup & 0xf0000000);
1314 
1315 		for (i = 0; i < 32; i++) {
1316 			tmp = RBIOS16(lcd_info + 64 + i * 2);
1317 			if (tmp == 0)
1318 				break;
1319 
1320 			if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
1321 			    (RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) {
1322 				lvds->native_mode.htotal = lvds->native_mode.hdisplay +
1323 					(RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8;
1324 				lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
1325 					(RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8;
1326 				lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
1327 					(RBIOS8(tmp + 23) * 8);
1328 
1329 				lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
1330 					(RBIOS16(tmp + 24) - RBIOS16(tmp + 26));
1331 				lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
1332 					((RBIOS16(tmp + 28) & 0x7ff) - RBIOS16(tmp + 26));
1333 				lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
1334 					((RBIOS16(tmp + 28) & 0xf800) >> 11);
1335 
1336 				lvds->native_mode.clock = RBIOS16(tmp + 9) * 10;
1337 				lvds->native_mode.flags = 0;
1338 				/* set crtc values */
1339 				drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
1340 
1341 			}
1342 		}
1343 	} else {
1344 		DRM_INFO("No panel info found in BIOS\n");
1345 		lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
1346 	}
1347 
1348 	if (lvds)
1349 		encoder->native_mode = lvds->native_mode;
1350 	return lvds;
1351 }
1352 
1353 static const struct radeon_tmds_pll default_tmds_pll[CHIP_LAST][4] = {
1354 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R100  */
1355 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV100 */
1356 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS100 */
1357 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV200 */
1358 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RS200 */
1359 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R200  */
1360 	{{15500, 0x81b}, {0xffffffff, 0x83f}, {0, 0}, {0, 0}},	/* CHIP_RV250 */
1361 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS300 */
1362 	{{13000, 0x400f4}, {15000, 0x400f7}, {0xffffffff, 0x40111}, {0, 0}},	/* CHIP_RV280 */
1363 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R300  */
1364 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R350  */
1365 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV350 */
1366 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV380 */
1367 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R420  */
1368 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R423  */
1369 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RV410 */
1370 	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS400 */
1371 	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS480 */
1372 };
1373 
1374 bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
1375 					    struct radeon_encoder_int_tmds *tmds)
1376 {
1377 	struct drm_device *dev = encoder->base.dev;
1378 	struct radeon_device *rdev = dev->dev_private;
1379 	int i;
1380 
1381 	for (i = 0; i < 4; i++) {
1382 		tmds->tmds_pll[i].value =
1383 			default_tmds_pll[rdev->family][i].value;
1384 		tmds->tmds_pll[i].freq = default_tmds_pll[rdev->family][i].freq;
1385 	}
1386 
1387 	return true;
1388 }
1389 
1390 bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
1391 					      struct radeon_encoder_int_tmds *tmds)
1392 {
1393 	struct drm_device *dev = encoder->base.dev;
1394 	struct radeon_device *rdev = dev->dev_private;
1395 	uint16_t tmds_info;
1396 	int i, n;
1397 	uint8_t ver;
1398 
1399 	tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1400 
1401 	if (tmds_info) {
1402 		ver = RBIOS8(tmds_info);
1403 		DRM_DEBUG_KMS("DFP table revision: %d\n", ver);
1404 		if (ver == 3) {
1405 			n = RBIOS8(tmds_info + 5) + 1;
1406 			if (n > 4)
1407 				n = 4;
1408 			for (i = 0; i < n; i++) {
1409 				tmds->tmds_pll[i].value =
1410 				    RBIOS32(tmds_info + i * 10 + 0x08);
1411 				tmds->tmds_pll[i].freq =
1412 				    RBIOS16(tmds_info + i * 10 + 0x10);
1413 				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1414 					  tmds->tmds_pll[i].freq,
1415 					  tmds->tmds_pll[i].value);
1416 			}
1417 		} else if (ver == 4) {
1418 			int stride = 0;
1419 			n = RBIOS8(tmds_info + 5) + 1;
1420 			if (n > 4)
1421 				n = 4;
1422 			for (i = 0; i < n; i++) {
1423 				tmds->tmds_pll[i].value =
1424 				    RBIOS32(tmds_info + stride + 0x08);
1425 				tmds->tmds_pll[i].freq =
1426 				    RBIOS16(tmds_info + stride + 0x10);
1427 				if (i == 0)
1428 					stride += 10;
1429 				else
1430 					stride += 6;
1431 				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1432 					  tmds->tmds_pll[i].freq,
1433 					  tmds->tmds_pll[i].value);
1434 			}
1435 		}
1436 	} else {
1437 		DRM_INFO("No TMDS info found in BIOS\n");
1438 		return false;
1439 	}
1440 	return true;
1441 }
1442 
1443 bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
1444 						struct radeon_encoder_ext_tmds *tmds)
1445 {
1446 	struct drm_device *dev = encoder->base.dev;
1447 	struct radeon_device *rdev = dev->dev_private;
1448 	struct radeon_i2c_bus_rec i2c_bus;
1449 
1450 	/* default for macs */
1451 	i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1452 	tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1453 
1454 	/* XXX some macs have duallink chips */
1455 	switch (rdev->mode_info.connector_table) {
1456 	case CT_POWERBOOK_EXTERNAL:
1457 	case CT_MINI_EXTERNAL:
1458 	default:
1459 		tmds->dvo_chip = DVO_SIL164;
1460 		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1461 		break;
1462 	}
1463 
1464 	return true;
1465 }
1466 
1467 bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
1468 						  struct radeon_encoder_ext_tmds *tmds)
1469 {
1470 	struct drm_device *dev = encoder->base.dev;
1471 	struct radeon_device *rdev = dev->dev_private;
1472 	uint16_t offset;
1473 	uint8_t ver;
1474 	enum radeon_combios_ddc gpio;
1475 	struct radeon_i2c_bus_rec i2c_bus;
1476 
1477 	tmds->i2c_bus = NULL;
1478 	if (rdev->flags & RADEON_IS_IGP) {
1479 		i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1480 		tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1481 		tmds->dvo_chip = DVO_SIL164;
1482 		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1483 	} else {
1484 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
1485 		if (offset) {
1486 			ver = RBIOS8(offset);
1487 			DRM_DEBUG_KMS("External TMDS Table revision: %d\n", ver);
1488 			tmds->slave_addr = RBIOS8(offset + 4 + 2);
1489 			tmds->slave_addr >>= 1; /* 7 bit addressing */
1490 			gpio = RBIOS8(offset + 4 + 3);
1491 			if (gpio == DDC_LCD) {
1492 				/* MM i2c */
1493 				i2c_bus.valid = true;
1494 				i2c_bus.hw_capable = true;
1495 				i2c_bus.mm_i2c = true;
1496 				i2c_bus.i2c_id = 0xa0;
1497 			} else
1498 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
1499 			tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1500 		}
1501 	}
1502 
1503 	if (!tmds->i2c_bus) {
1504 		DRM_INFO("No valid Ext TMDS info found in BIOS\n");
1505 		return false;
1506 	}
1507 
1508 	return true;
1509 }
1510 
1511 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
1512 {
1513 	struct radeon_device *rdev = dev->dev_private;
1514 	struct radeon_i2c_bus_rec ddc_i2c;
1515 	struct radeon_hpd hpd;
1516 
1517 	rdev->mode_info.connector_table = radeon_connector_table;
1518 	if (rdev->mode_info.connector_table == CT_NONE) {
1519 #ifdef CONFIG_PPC_PMAC
1520 		if (of_machine_is_compatible("PowerBook3,3")) {
1521 			/* powerbook with VGA */
1522 			rdev->mode_info.connector_table = CT_POWERBOOK_VGA;
1523 		} else if (of_machine_is_compatible("PowerBook3,4") ||
1524 			   of_machine_is_compatible("PowerBook3,5")) {
1525 			/* powerbook with internal tmds */
1526 			rdev->mode_info.connector_table = CT_POWERBOOK_INTERNAL;
1527 		} else if (of_machine_is_compatible("PowerBook5,1") ||
1528 			   of_machine_is_compatible("PowerBook5,2") ||
1529 			   of_machine_is_compatible("PowerBook5,3") ||
1530 			   of_machine_is_compatible("PowerBook5,4") ||
1531 			   of_machine_is_compatible("PowerBook5,5")) {
1532 			/* powerbook with external single link tmds (sil164) */
1533 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1534 		} else if (of_machine_is_compatible("PowerBook5,6")) {
1535 			/* powerbook with external dual or single link tmds */
1536 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1537 		} else if (of_machine_is_compatible("PowerBook5,7") ||
1538 			   of_machine_is_compatible("PowerBook5,8") ||
1539 			   of_machine_is_compatible("PowerBook5,9")) {
1540 			/* PowerBook6,2 ? */
1541 			/* powerbook with external dual link tmds (sil1178?) */
1542 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1543 		} else if (of_machine_is_compatible("PowerBook4,1") ||
1544 			   of_machine_is_compatible("PowerBook4,2") ||
1545 			   of_machine_is_compatible("PowerBook4,3") ||
1546 			   of_machine_is_compatible("PowerBook6,3") ||
1547 			   of_machine_is_compatible("PowerBook6,5") ||
1548 			   of_machine_is_compatible("PowerBook6,7")) {
1549 			/* ibook */
1550 			rdev->mode_info.connector_table = CT_IBOOK;
1551 		} else if (of_machine_is_compatible("PowerMac3,5")) {
1552 			/* PowerMac G4 Silver radeon 7500 */
1553 			rdev->mode_info.connector_table = CT_MAC_G4_SILVER;
1554 		} else if (of_machine_is_compatible("PowerMac4,4")) {
1555 			/* emac */
1556 			rdev->mode_info.connector_table = CT_EMAC;
1557 		} else if (of_machine_is_compatible("PowerMac10,1")) {
1558 			/* mini with internal tmds */
1559 			rdev->mode_info.connector_table = CT_MINI_INTERNAL;
1560 		} else if (of_machine_is_compatible("PowerMac10,2")) {
1561 			/* mini with external tmds */
1562 			rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
1563 		} else if (of_machine_is_compatible("PowerMac12,1")) {
1564 			/* PowerMac8,1 ? */
1565 			/* imac g5 isight */
1566 			rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
1567 		} else if ((rdev->pdev->device == 0x4a48) &&
1568 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1569 			   (rdev->pdev->subsystem_device == 0x4a48)) {
1570 			/* Mac X800 */
1571 			rdev->mode_info.connector_table = CT_MAC_X800;
1572 		} else if ((of_machine_is_compatible("PowerMac7,2") ||
1573 			    of_machine_is_compatible("PowerMac7,3")) &&
1574 			   (rdev->pdev->device == 0x4150) &&
1575 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1576 			   (rdev->pdev->subsystem_device == 0x4150)) {
1577 			/* Mac G5 tower 9600 */
1578 			rdev->mode_info.connector_table = CT_MAC_G5_9600;
1579 		} else if ((rdev->pdev->device == 0x4c66) &&
1580 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1581 			   (rdev->pdev->subsystem_device == 0x4c66)) {
1582 			/* SAM440ep RV250 embedded board */
1583 			rdev->mode_info.connector_table = CT_SAM440EP;
1584 		} else
1585 #endif /* CONFIG_PPC_PMAC */
1586 #ifdef CONFIG_PPC64
1587 		if (ASIC_IS_RN50(rdev))
1588 			rdev->mode_info.connector_table = CT_RN50_POWER;
1589 		else
1590 #endif
1591 			rdev->mode_info.connector_table = CT_GENERIC;
1592 	}
1593 
1594 	switch (rdev->mode_info.connector_table) {
1595 	case CT_GENERIC:
1596 		DRM_INFO("Connector Table: %d (generic)\n",
1597 			 rdev->mode_info.connector_table);
1598 		/* these are the most common settings */
1599 		if (rdev->flags & RADEON_SINGLE_CRTC) {
1600 			/* VGA - primary dac */
1601 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1602 			hpd.hpd = RADEON_HPD_NONE;
1603 			radeon_add_legacy_encoder(dev,
1604 						  radeon_get_encoder_enum(dev,
1605 									ATOM_DEVICE_CRT1_SUPPORT,
1606 									1),
1607 						  ATOM_DEVICE_CRT1_SUPPORT);
1608 			radeon_add_legacy_connector(dev, 0,
1609 						    ATOM_DEVICE_CRT1_SUPPORT,
1610 						    DRM_MODE_CONNECTOR_VGA,
1611 						    &ddc_i2c,
1612 						    CONNECTOR_OBJECT_ID_VGA,
1613 						    &hpd);
1614 		} else if (rdev->flags & RADEON_IS_MOBILITY) {
1615 			/* LVDS */
1616 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
1617 			hpd.hpd = RADEON_HPD_NONE;
1618 			radeon_add_legacy_encoder(dev,
1619 						  radeon_get_encoder_enum(dev,
1620 									ATOM_DEVICE_LCD1_SUPPORT,
1621 									0),
1622 						  ATOM_DEVICE_LCD1_SUPPORT);
1623 			radeon_add_legacy_connector(dev, 0,
1624 						    ATOM_DEVICE_LCD1_SUPPORT,
1625 						    DRM_MODE_CONNECTOR_LVDS,
1626 						    &ddc_i2c,
1627 						    CONNECTOR_OBJECT_ID_LVDS,
1628 						    &hpd);
1629 
1630 			/* VGA - primary dac */
1631 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1632 			hpd.hpd = RADEON_HPD_NONE;
1633 			radeon_add_legacy_encoder(dev,
1634 						  radeon_get_encoder_enum(dev,
1635 									ATOM_DEVICE_CRT1_SUPPORT,
1636 									1),
1637 						  ATOM_DEVICE_CRT1_SUPPORT);
1638 			radeon_add_legacy_connector(dev, 1,
1639 						    ATOM_DEVICE_CRT1_SUPPORT,
1640 						    DRM_MODE_CONNECTOR_VGA,
1641 						    &ddc_i2c,
1642 						    CONNECTOR_OBJECT_ID_VGA,
1643 						    &hpd);
1644 		} else {
1645 			/* DVI-I - tv dac, int tmds */
1646 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1647 			hpd.hpd = RADEON_HPD_1;
1648 			radeon_add_legacy_encoder(dev,
1649 						  radeon_get_encoder_enum(dev,
1650 									ATOM_DEVICE_DFP1_SUPPORT,
1651 									0),
1652 						  ATOM_DEVICE_DFP1_SUPPORT);
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, 0,
1659 						    ATOM_DEVICE_DFP1_SUPPORT |
1660 						    ATOM_DEVICE_CRT2_SUPPORT,
1661 						    DRM_MODE_CONNECTOR_DVII,
1662 						    &ddc_i2c,
1663 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1664 						    &hpd);
1665 
1666 			/* VGA - primary dac */
1667 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1668 			hpd.hpd = RADEON_HPD_NONE;
1669 			radeon_add_legacy_encoder(dev,
1670 						  radeon_get_encoder_enum(dev,
1671 									ATOM_DEVICE_CRT1_SUPPORT,
1672 									1),
1673 						  ATOM_DEVICE_CRT1_SUPPORT);
1674 			radeon_add_legacy_connector(dev, 1,
1675 						    ATOM_DEVICE_CRT1_SUPPORT,
1676 						    DRM_MODE_CONNECTOR_VGA,
1677 						    &ddc_i2c,
1678 						    CONNECTOR_OBJECT_ID_VGA,
1679 						    &hpd);
1680 		}
1681 
1682 		if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1683 			/* TV - tv dac */
1684 			ddc_i2c.valid = false;
1685 			hpd.hpd = RADEON_HPD_NONE;
1686 			radeon_add_legacy_encoder(dev,
1687 						  radeon_get_encoder_enum(dev,
1688 									ATOM_DEVICE_TV1_SUPPORT,
1689 									2),
1690 						  ATOM_DEVICE_TV1_SUPPORT);
1691 			radeon_add_legacy_connector(dev, 2,
1692 						    ATOM_DEVICE_TV1_SUPPORT,
1693 						    DRM_MODE_CONNECTOR_SVIDEO,
1694 						    &ddc_i2c,
1695 						    CONNECTOR_OBJECT_ID_SVIDEO,
1696 						    &hpd);
1697 		}
1698 		break;
1699 	case CT_IBOOK:
1700 		DRM_INFO("Connector Table: %d (ibook)\n",
1701 			 rdev->mode_info.connector_table);
1702 		/* LVDS */
1703 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1704 		hpd.hpd = RADEON_HPD_NONE;
1705 		radeon_add_legacy_encoder(dev,
1706 					  radeon_get_encoder_enum(dev,
1707 								ATOM_DEVICE_LCD1_SUPPORT,
1708 								0),
1709 					  ATOM_DEVICE_LCD1_SUPPORT);
1710 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1711 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1712 					    CONNECTOR_OBJECT_ID_LVDS,
1713 					    &hpd);
1714 		/* VGA - TV DAC */
1715 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1716 		hpd.hpd = RADEON_HPD_NONE;
1717 		radeon_add_legacy_encoder(dev,
1718 					  radeon_get_encoder_enum(dev,
1719 								ATOM_DEVICE_CRT2_SUPPORT,
1720 								2),
1721 					  ATOM_DEVICE_CRT2_SUPPORT);
1722 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1723 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1724 					    CONNECTOR_OBJECT_ID_VGA,
1725 					    &hpd);
1726 		/* TV - TV DAC */
1727 		ddc_i2c.valid = false;
1728 		hpd.hpd = RADEON_HPD_NONE;
1729 		radeon_add_legacy_encoder(dev,
1730 					  radeon_get_encoder_enum(dev,
1731 								ATOM_DEVICE_TV1_SUPPORT,
1732 								2),
1733 					  ATOM_DEVICE_TV1_SUPPORT);
1734 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1735 					    DRM_MODE_CONNECTOR_SVIDEO,
1736 					    &ddc_i2c,
1737 					    CONNECTOR_OBJECT_ID_SVIDEO,
1738 					    &hpd);
1739 		break;
1740 	case CT_POWERBOOK_EXTERNAL:
1741 		DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
1742 			 rdev->mode_info.connector_table);
1743 		/* LVDS */
1744 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1745 		hpd.hpd = RADEON_HPD_NONE;
1746 		radeon_add_legacy_encoder(dev,
1747 					  radeon_get_encoder_enum(dev,
1748 								ATOM_DEVICE_LCD1_SUPPORT,
1749 								0),
1750 					  ATOM_DEVICE_LCD1_SUPPORT);
1751 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1752 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1753 					    CONNECTOR_OBJECT_ID_LVDS,
1754 					    &hpd);
1755 		/* DVI-I - primary dac, ext tmds */
1756 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1757 		hpd.hpd = RADEON_HPD_2; /* ??? */
1758 		radeon_add_legacy_encoder(dev,
1759 					  radeon_get_encoder_enum(dev,
1760 								ATOM_DEVICE_DFP2_SUPPORT,
1761 								0),
1762 					  ATOM_DEVICE_DFP2_SUPPORT);
1763 		radeon_add_legacy_encoder(dev,
1764 					  radeon_get_encoder_enum(dev,
1765 								ATOM_DEVICE_CRT1_SUPPORT,
1766 								1),
1767 					  ATOM_DEVICE_CRT1_SUPPORT);
1768 		/* XXX some are SL */
1769 		radeon_add_legacy_connector(dev, 1,
1770 					    ATOM_DEVICE_DFP2_SUPPORT |
1771 					    ATOM_DEVICE_CRT1_SUPPORT,
1772 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1773 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
1774 					    &hpd);
1775 		/* TV - TV DAC */
1776 		ddc_i2c.valid = false;
1777 		hpd.hpd = RADEON_HPD_NONE;
1778 		radeon_add_legacy_encoder(dev,
1779 					  radeon_get_encoder_enum(dev,
1780 								ATOM_DEVICE_TV1_SUPPORT,
1781 								2),
1782 					  ATOM_DEVICE_TV1_SUPPORT);
1783 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1784 					    DRM_MODE_CONNECTOR_SVIDEO,
1785 					    &ddc_i2c,
1786 					    CONNECTOR_OBJECT_ID_SVIDEO,
1787 					    &hpd);
1788 		break;
1789 	case CT_POWERBOOK_INTERNAL:
1790 		DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
1791 			 rdev->mode_info.connector_table);
1792 		/* LVDS */
1793 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1794 		hpd.hpd = RADEON_HPD_NONE;
1795 		radeon_add_legacy_encoder(dev,
1796 					  radeon_get_encoder_enum(dev,
1797 								ATOM_DEVICE_LCD1_SUPPORT,
1798 								0),
1799 					  ATOM_DEVICE_LCD1_SUPPORT);
1800 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1801 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1802 					    CONNECTOR_OBJECT_ID_LVDS,
1803 					    &hpd);
1804 		/* DVI-I - primary dac, int tmds */
1805 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1806 		hpd.hpd = RADEON_HPD_1; /* ??? */
1807 		radeon_add_legacy_encoder(dev,
1808 					  radeon_get_encoder_enum(dev,
1809 								ATOM_DEVICE_DFP1_SUPPORT,
1810 								0),
1811 					  ATOM_DEVICE_DFP1_SUPPORT);
1812 		radeon_add_legacy_encoder(dev,
1813 					  radeon_get_encoder_enum(dev,
1814 								ATOM_DEVICE_CRT1_SUPPORT,
1815 								1),
1816 					  ATOM_DEVICE_CRT1_SUPPORT);
1817 		radeon_add_legacy_connector(dev, 1,
1818 					    ATOM_DEVICE_DFP1_SUPPORT |
1819 					    ATOM_DEVICE_CRT1_SUPPORT,
1820 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1821 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1822 					    &hpd);
1823 		/* TV - TV DAC */
1824 		ddc_i2c.valid = false;
1825 		hpd.hpd = RADEON_HPD_NONE;
1826 		radeon_add_legacy_encoder(dev,
1827 					  radeon_get_encoder_enum(dev,
1828 								ATOM_DEVICE_TV1_SUPPORT,
1829 								2),
1830 					  ATOM_DEVICE_TV1_SUPPORT);
1831 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1832 					    DRM_MODE_CONNECTOR_SVIDEO,
1833 					    &ddc_i2c,
1834 					    CONNECTOR_OBJECT_ID_SVIDEO,
1835 					    &hpd);
1836 		break;
1837 	case CT_POWERBOOK_VGA:
1838 		DRM_INFO("Connector Table: %d (powerbook vga)\n",
1839 			 rdev->mode_info.connector_table);
1840 		/* LVDS */
1841 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1842 		hpd.hpd = RADEON_HPD_NONE;
1843 		radeon_add_legacy_encoder(dev,
1844 					  radeon_get_encoder_enum(dev,
1845 								ATOM_DEVICE_LCD1_SUPPORT,
1846 								0),
1847 					  ATOM_DEVICE_LCD1_SUPPORT);
1848 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1849 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1850 					    CONNECTOR_OBJECT_ID_LVDS,
1851 					    &hpd);
1852 		/* VGA - primary dac */
1853 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1854 		hpd.hpd = RADEON_HPD_NONE;
1855 		radeon_add_legacy_encoder(dev,
1856 					  radeon_get_encoder_enum(dev,
1857 								ATOM_DEVICE_CRT1_SUPPORT,
1858 								1),
1859 					  ATOM_DEVICE_CRT1_SUPPORT);
1860 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
1861 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1862 					    CONNECTOR_OBJECT_ID_VGA,
1863 					    &hpd);
1864 		/* TV - TV DAC */
1865 		ddc_i2c.valid = false;
1866 		hpd.hpd = RADEON_HPD_NONE;
1867 		radeon_add_legacy_encoder(dev,
1868 					  radeon_get_encoder_enum(dev,
1869 								ATOM_DEVICE_TV1_SUPPORT,
1870 								2),
1871 					  ATOM_DEVICE_TV1_SUPPORT);
1872 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1873 					    DRM_MODE_CONNECTOR_SVIDEO,
1874 					    &ddc_i2c,
1875 					    CONNECTOR_OBJECT_ID_SVIDEO,
1876 					    &hpd);
1877 		break;
1878 	case CT_MINI_EXTERNAL:
1879 		DRM_INFO("Connector Table: %d (mini external tmds)\n",
1880 			 rdev->mode_info.connector_table);
1881 		/* DVI-I - tv dac, ext tmds */
1882 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1883 		hpd.hpd = RADEON_HPD_2; /* ??? */
1884 		radeon_add_legacy_encoder(dev,
1885 					  radeon_get_encoder_enum(dev,
1886 								ATOM_DEVICE_DFP2_SUPPORT,
1887 								0),
1888 					  ATOM_DEVICE_DFP2_SUPPORT);
1889 		radeon_add_legacy_encoder(dev,
1890 					  radeon_get_encoder_enum(dev,
1891 								ATOM_DEVICE_CRT2_SUPPORT,
1892 								2),
1893 					  ATOM_DEVICE_CRT2_SUPPORT);
1894 		/* XXX are any DL? */
1895 		radeon_add_legacy_connector(dev, 0,
1896 					    ATOM_DEVICE_DFP2_SUPPORT |
1897 					    ATOM_DEVICE_CRT2_SUPPORT,
1898 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1899 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1900 					    &hpd);
1901 		/* TV - TV DAC */
1902 		ddc_i2c.valid = false;
1903 		hpd.hpd = RADEON_HPD_NONE;
1904 		radeon_add_legacy_encoder(dev,
1905 					  radeon_get_encoder_enum(dev,
1906 								ATOM_DEVICE_TV1_SUPPORT,
1907 								2),
1908 					  ATOM_DEVICE_TV1_SUPPORT);
1909 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1910 					    DRM_MODE_CONNECTOR_SVIDEO,
1911 					    &ddc_i2c,
1912 					    CONNECTOR_OBJECT_ID_SVIDEO,
1913 					    &hpd);
1914 		break;
1915 	case CT_MINI_INTERNAL:
1916 		DRM_INFO("Connector Table: %d (mini internal tmds)\n",
1917 			 rdev->mode_info.connector_table);
1918 		/* DVI-I - tv dac, int tmds */
1919 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1920 		hpd.hpd = RADEON_HPD_1; /* ??? */
1921 		radeon_add_legacy_encoder(dev,
1922 					  radeon_get_encoder_enum(dev,
1923 								ATOM_DEVICE_DFP1_SUPPORT,
1924 								0),
1925 					  ATOM_DEVICE_DFP1_SUPPORT);
1926 		radeon_add_legacy_encoder(dev,
1927 					  radeon_get_encoder_enum(dev,
1928 								ATOM_DEVICE_CRT2_SUPPORT,
1929 								2),
1930 					  ATOM_DEVICE_CRT2_SUPPORT);
1931 		radeon_add_legacy_connector(dev, 0,
1932 					    ATOM_DEVICE_DFP1_SUPPORT |
1933 					    ATOM_DEVICE_CRT2_SUPPORT,
1934 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1935 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1936 					    &hpd);
1937 		/* TV - TV DAC */
1938 		ddc_i2c.valid = false;
1939 		hpd.hpd = RADEON_HPD_NONE;
1940 		radeon_add_legacy_encoder(dev,
1941 					  radeon_get_encoder_enum(dev,
1942 								ATOM_DEVICE_TV1_SUPPORT,
1943 								2),
1944 					  ATOM_DEVICE_TV1_SUPPORT);
1945 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1946 					    DRM_MODE_CONNECTOR_SVIDEO,
1947 					    &ddc_i2c,
1948 					    CONNECTOR_OBJECT_ID_SVIDEO,
1949 					    &hpd);
1950 		break;
1951 	case CT_IMAC_G5_ISIGHT:
1952 		DRM_INFO("Connector Table: %d (imac g5 isight)\n",
1953 			 rdev->mode_info.connector_table);
1954 		/* DVI-D - int tmds */
1955 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1956 		hpd.hpd = RADEON_HPD_1; /* ??? */
1957 		radeon_add_legacy_encoder(dev,
1958 					  radeon_get_encoder_enum(dev,
1959 								ATOM_DEVICE_DFP1_SUPPORT,
1960 								0),
1961 					  ATOM_DEVICE_DFP1_SUPPORT);
1962 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
1963 					    DRM_MODE_CONNECTOR_DVID, &ddc_i2c,
1964 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
1965 					    &hpd);
1966 		/* VGA - tv dac */
1967 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1968 		hpd.hpd = RADEON_HPD_NONE;
1969 		radeon_add_legacy_encoder(dev,
1970 					  radeon_get_encoder_enum(dev,
1971 								ATOM_DEVICE_CRT2_SUPPORT,
1972 								2),
1973 					  ATOM_DEVICE_CRT2_SUPPORT);
1974 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1975 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1976 					    CONNECTOR_OBJECT_ID_VGA,
1977 					    &hpd);
1978 		/* TV - TV DAC */
1979 		ddc_i2c.valid = false;
1980 		hpd.hpd = RADEON_HPD_NONE;
1981 		radeon_add_legacy_encoder(dev,
1982 					  radeon_get_encoder_enum(dev,
1983 								ATOM_DEVICE_TV1_SUPPORT,
1984 								2),
1985 					  ATOM_DEVICE_TV1_SUPPORT);
1986 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1987 					    DRM_MODE_CONNECTOR_SVIDEO,
1988 					    &ddc_i2c,
1989 					    CONNECTOR_OBJECT_ID_SVIDEO,
1990 					    &hpd);
1991 		break;
1992 	case CT_EMAC:
1993 		DRM_INFO("Connector Table: %d (emac)\n",
1994 			 rdev->mode_info.connector_table);
1995 		/* VGA - primary dac */
1996 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1997 		hpd.hpd = RADEON_HPD_NONE;
1998 		radeon_add_legacy_encoder(dev,
1999 					  radeon_get_encoder_enum(dev,
2000 								ATOM_DEVICE_CRT1_SUPPORT,
2001 								1),
2002 					  ATOM_DEVICE_CRT1_SUPPORT);
2003 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
2004 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2005 					    CONNECTOR_OBJECT_ID_VGA,
2006 					    &hpd);
2007 		/* VGA - tv dac */
2008 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
2009 		hpd.hpd = RADEON_HPD_NONE;
2010 		radeon_add_legacy_encoder(dev,
2011 					  radeon_get_encoder_enum(dev,
2012 								ATOM_DEVICE_CRT2_SUPPORT,
2013 								2),
2014 					  ATOM_DEVICE_CRT2_SUPPORT);
2015 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
2016 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2017 					    CONNECTOR_OBJECT_ID_VGA,
2018 					    &hpd);
2019 		/* TV - TV DAC */
2020 		ddc_i2c.valid = false;
2021 		hpd.hpd = RADEON_HPD_NONE;
2022 		radeon_add_legacy_encoder(dev,
2023 					  radeon_get_encoder_enum(dev,
2024 								ATOM_DEVICE_TV1_SUPPORT,
2025 								2),
2026 					  ATOM_DEVICE_TV1_SUPPORT);
2027 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2028 					    DRM_MODE_CONNECTOR_SVIDEO,
2029 					    &ddc_i2c,
2030 					    CONNECTOR_OBJECT_ID_SVIDEO,
2031 					    &hpd);
2032 		break;
2033 	case CT_RN50_POWER:
2034 		DRM_INFO("Connector Table: %d (rn50-power)\n",
2035 			 rdev->mode_info.connector_table);
2036 		/* VGA - primary dac */
2037 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2038 		hpd.hpd = RADEON_HPD_NONE;
2039 		radeon_add_legacy_encoder(dev,
2040 					  radeon_get_encoder_enum(dev,
2041 								ATOM_DEVICE_CRT1_SUPPORT,
2042 								1),
2043 					  ATOM_DEVICE_CRT1_SUPPORT);
2044 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
2045 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2046 					    CONNECTOR_OBJECT_ID_VGA,
2047 					    &hpd);
2048 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
2049 		hpd.hpd = RADEON_HPD_NONE;
2050 		radeon_add_legacy_encoder(dev,
2051 					  radeon_get_encoder_enum(dev,
2052 								ATOM_DEVICE_CRT2_SUPPORT,
2053 								2),
2054 					  ATOM_DEVICE_CRT2_SUPPORT);
2055 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
2056 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2057 					    CONNECTOR_OBJECT_ID_VGA,
2058 					    &hpd);
2059 		break;
2060 	case CT_MAC_X800:
2061 		DRM_INFO("Connector Table: %d (mac x800)\n",
2062 			 rdev->mode_info.connector_table);
2063 		/* DVI - primary dac, internal tmds */
2064 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2065 		hpd.hpd = RADEON_HPD_1; /* ??? */
2066 		radeon_add_legacy_encoder(dev,
2067 					  radeon_get_encoder_enum(dev,
2068 								  ATOM_DEVICE_DFP1_SUPPORT,
2069 								  0),
2070 					  ATOM_DEVICE_DFP1_SUPPORT);
2071 		radeon_add_legacy_encoder(dev,
2072 					  radeon_get_encoder_enum(dev,
2073 								  ATOM_DEVICE_CRT1_SUPPORT,
2074 								  1),
2075 					  ATOM_DEVICE_CRT1_SUPPORT);
2076 		radeon_add_legacy_connector(dev, 0,
2077 					    ATOM_DEVICE_DFP1_SUPPORT |
2078 					    ATOM_DEVICE_CRT1_SUPPORT,
2079 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2080 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2081 					    &hpd);
2082 		/* DVI - tv dac, dvo */
2083 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2084 		hpd.hpd = RADEON_HPD_2; /* ??? */
2085 		radeon_add_legacy_encoder(dev,
2086 					  radeon_get_encoder_enum(dev,
2087 								  ATOM_DEVICE_DFP2_SUPPORT,
2088 								  0),
2089 					  ATOM_DEVICE_DFP2_SUPPORT);
2090 		radeon_add_legacy_encoder(dev,
2091 					  radeon_get_encoder_enum(dev,
2092 								  ATOM_DEVICE_CRT2_SUPPORT,
2093 								  2),
2094 					  ATOM_DEVICE_CRT2_SUPPORT);
2095 		radeon_add_legacy_connector(dev, 1,
2096 					    ATOM_DEVICE_DFP2_SUPPORT |
2097 					    ATOM_DEVICE_CRT2_SUPPORT,
2098 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2099 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
2100 					    &hpd);
2101 		break;
2102 	case CT_MAC_G5_9600:
2103 		DRM_INFO("Connector Table: %d (mac g5 9600)\n",
2104 			 rdev->mode_info.connector_table);
2105 		/* DVI - tv dac, dvo */
2106 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2107 		hpd.hpd = RADEON_HPD_1; /* ??? */
2108 		radeon_add_legacy_encoder(dev,
2109 					  radeon_get_encoder_enum(dev,
2110 								  ATOM_DEVICE_DFP2_SUPPORT,
2111 								  0),
2112 					  ATOM_DEVICE_DFP2_SUPPORT);
2113 		radeon_add_legacy_encoder(dev,
2114 					  radeon_get_encoder_enum(dev,
2115 								  ATOM_DEVICE_CRT2_SUPPORT,
2116 								  2),
2117 					  ATOM_DEVICE_CRT2_SUPPORT);
2118 		radeon_add_legacy_connector(dev, 0,
2119 					    ATOM_DEVICE_DFP2_SUPPORT |
2120 					    ATOM_DEVICE_CRT2_SUPPORT,
2121 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2122 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2123 					    &hpd);
2124 		/* ADC - primary dac, internal tmds */
2125 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2126 		hpd.hpd = RADEON_HPD_2; /* ??? */
2127 		radeon_add_legacy_encoder(dev,
2128 					  radeon_get_encoder_enum(dev,
2129 								  ATOM_DEVICE_DFP1_SUPPORT,
2130 								  0),
2131 					  ATOM_DEVICE_DFP1_SUPPORT);
2132 		radeon_add_legacy_encoder(dev,
2133 					  radeon_get_encoder_enum(dev,
2134 								  ATOM_DEVICE_CRT1_SUPPORT,
2135 								  1),
2136 					  ATOM_DEVICE_CRT1_SUPPORT);
2137 		radeon_add_legacy_connector(dev, 1,
2138 					    ATOM_DEVICE_DFP1_SUPPORT |
2139 					    ATOM_DEVICE_CRT1_SUPPORT,
2140 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2141 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2142 					    &hpd);
2143 		/* TV - TV DAC */
2144 		ddc_i2c.valid = false;
2145 		hpd.hpd = RADEON_HPD_NONE;
2146 		radeon_add_legacy_encoder(dev,
2147 					  radeon_get_encoder_enum(dev,
2148 								ATOM_DEVICE_TV1_SUPPORT,
2149 								2),
2150 					  ATOM_DEVICE_TV1_SUPPORT);
2151 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2152 					    DRM_MODE_CONNECTOR_SVIDEO,
2153 					    &ddc_i2c,
2154 					    CONNECTOR_OBJECT_ID_SVIDEO,
2155 					    &hpd);
2156 		break;
2157 	case CT_SAM440EP:
2158 		DRM_INFO("Connector Table: %d (SAM440ep embedded board)\n",
2159 			 rdev->mode_info.connector_table);
2160 		/* LVDS */
2161 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
2162 		hpd.hpd = RADEON_HPD_NONE;
2163 		radeon_add_legacy_encoder(dev,
2164 					  radeon_get_encoder_enum(dev,
2165 								ATOM_DEVICE_LCD1_SUPPORT,
2166 								0),
2167 					  ATOM_DEVICE_LCD1_SUPPORT);
2168 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
2169 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
2170 					    CONNECTOR_OBJECT_ID_LVDS,
2171 					    &hpd);
2172 		/* DVI-I - secondary dac, int tmds */
2173 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2174 		hpd.hpd = RADEON_HPD_1; /* ??? */
2175 		radeon_add_legacy_encoder(dev,
2176 					  radeon_get_encoder_enum(dev,
2177 								ATOM_DEVICE_DFP1_SUPPORT,
2178 								0),
2179 					  ATOM_DEVICE_DFP1_SUPPORT);
2180 		radeon_add_legacy_encoder(dev,
2181 					  radeon_get_encoder_enum(dev,
2182 								ATOM_DEVICE_CRT2_SUPPORT,
2183 								2),
2184 					  ATOM_DEVICE_CRT2_SUPPORT);
2185 		radeon_add_legacy_connector(dev, 1,
2186 					    ATOM_DEVICE_DFP1_SUPPORT |
2187 					    ATOM_DEVICE_CRT2_SUPPORT,
2188 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2189 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2190 					    &hpd);
2191 		/* VGA - primary dac */
2192 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2193 		hpd.hpd = RADEON_HPD_NONE;
2194 		radeon_add_legacy_encoder(dev,
2195 					  radeon_get_encoder_enum(dev,
2196 								ATOM_DEVICE_CRT1_SUPPORT,
2197 								1),
2198 					  ATOM_DEVICE_CRT1_SUPPORT);
2199 		radeon_add_legacy_connector(dev, 2,
2200 					    ATOM_DEVICE_CRT1_SUPPORT,
2201 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2202 					    CONNECTOR_OBJECT_ID_VGA,
2203 					    &hpd);
2204 		/* TV - TV DAC */
2205 		ddc_i2c.valid = false;
2206 		hpd.hpd = RADEON_HPD_NONE;
2207 		radeon_add_legacy_encoder(dev,
2208 					  radeon_get_encoder_enum(dev,
2209 								ATOM_DEVICE_TV1_SUPPORT,
2210 								2),
2211 					  ATOM_DEVICE_TV1_SUPPORT);
2212 		radeon_add_legacy_connector(dev, 3, ATOM_DEVICE_TV1_SUPPORT,
2213 					    DRM_MODE_CONNECTOR_SVIDEO,
2214 					    &ddc_i2c,
2215 					    CONNECTOR_OBJECT_ID_SVIDEO,
2216 					    &hpd);
2217 		break;
2218 	case CT_MAC_G4_SILVER:
2219 		DRM_INFO("Connector Table: %d (mac g4 silver)\n",
2220 			 rdev->mode_info.connector_table);
2221 		/* DVI-I - tv dac, int tmds */
2222 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2223 		hpd.hpd = RADEON_HPD_1; /* ??? */
2224 		radeon_add_legacy_encoder(dev,
2225 					  radeon_get_encoder_enum(dev,
2226 								ATOM_DEVICE_DFP1_SUPPORT,
2227 								0),
2228 					  ATOM_DEVICE_DFP1_SUPPORT);
2229 		radeon_add_legacy_encoder(dev,
2230 					  radeon_get_encoder_enum(dev,
2231 								ATOM_DEVICE_CRT2_SUPPORT,
2232 								2),
2233 					  ATOM_DEVICE_CRT2_SUPPORT);
2234 		radeon_add_legacy_connector(dev, 0,
2235 					    ATOM_DEVICE_DFP1_SUPPORT |
2236 					    ATOM_DEVICE_CRT2_SUPPORT,
2237 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2238 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2239 					    &hpd);
2240 		/* VGA - primary dac */
2241 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2242 		hpd.hpd = RADEON_HPD_NONE;
2243 		radeon_add_legacy_encoder(dev,
2244 					  radeon_get_encoder_enum(dev,
2245 								ATOM_DEVICE_CRT1_SUPPORT,
2246 								1),
2247 					  ATOM_DEVICE_CRT1_SUPPORT);
2248 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
2249 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2250 					    CONNECTOR_OBJECT_ID_VGA,
2251 					    &hpd);
2252 		/* TV - TV DAC */
2253 		ddc_i2c.valid = false;
2254 		hpd.hpd = RADEON_HPD_NONE;
2255 		radeon_add_legacy_encoder(dev,
2256 					  radeon_get_encoder_enum(dev,
2257 								ATOM_DEVICE_TV1_SUPPORT,
2258 								2),
2259 					  ATOM_DEVICE_TV1_SUPPORT);
2260 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2261 					    DRM_MODE_CONNECTOR_SVIDEO,
2262 					    &ddc_i2c,
2263 					    CONNECTOR_OBJECT_ID_SVIDEO,
2264 					    &hpd);
2265 		break;
2266 	default:
2267 		DRM_INFO("Connector table: %d (invalid)\n",
2268 			 rdev->mode_info.connector_table);
2269 		return false;
2270 	}
2271 
2272 	radeon_link_encoder_connector(dev);
2273 
2274 	return true;
2275 }
2276 
2277 static bool radeon_apply_legacy_quirks(struct drm_device *dev,
2278 				       int bios_index,
2279 				       enum radeon_combios_connector
2280 				       *legacy_connector,
2281 				       struct radeon_i2c_bus_rec *ddc_i2c,
2282 				       struct radeon_hpd *hpd)
2283 {
2284 
2285 	/* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
2286 	   one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
2287 	if (dev->pdev->device == 0x515e &&
2288 	    dev->pdev->subsystem_vendor == 0x1014) {
2289 		if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
2290 		    ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
2291 			return false;
2292 	}
2293 
2294 	/* X300 card with extra non-existent DVI port */
2295 	if (dev->pdev->device == 0x5B60 &&
2296 	    dev->pdev->subsystem_vendor == 0x17af &&
2297 	    dev->pdev->subsystem_device == 0x201e && bios_index == 2) {
2298 		if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
2299 			return false;
2300 	}
2301 
2302 	return true;
2303 }
2304 
2305 static bool radeon_apply_legacy_tv_quirks(struct drm_device *dev)
2306 {
2307 	/* Acer 5102 has non-existent TV port */
2308 	if (dev->pdev->device == 0x5975 &&
2309 	    dev->pdev->subsystem_vendor == 0x1025 &&
2310 	    dev->pdev->subsystem_device == 0x009f)
2311 		return false;
2312 
2313 	/* HP dc5750 has non-existent TV port */
2314 	if (dev->pdev->device == 0x5974 &&
2315 	    dev->pdev->subsystem_vendor == 0x103c &&
2316 	    dev->pdev->subsystem_device == 0x280a)
2317 		return false;
2318 
2319 	/* MSI S270 has non-existent TV port */
2320 	if (dev->pdev->device == 0x5955 &&
2321 	    dev->pdev->subsystem_vendor == 0x1462 &&
2322 	    dev->pdev->subsystem_device == 0x0131)
2323 		return false;
2324 
2325 	return true;
2326 }
2327 
2328 static uint16_t combios_check_dl_dvi(struct drm_device *dev, int is_dvi_d)
2329 {
2330 	struct radeon_device *rdev = dev->dev_private;
2331 	uint32_t ext_tmds_info;
2332 
2333 	if (rdev->flags & RADEON_IS_IGP) {
2334 		if (is_dvi_d)
2335 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2336 		else
2337 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2338 	}
2339 	ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2340 	if (ext_tmds_info) {
2341 		uint8_t rev = RBIOS8(ext_tmds_info);
2342 		uint8_t flags = RBIOS8(ext_tmds_info + 4 + 5);
2343 		if (rev >= 3) {
2344 			if (is_dvi_d)
2345 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2346 			else
2347 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2348 		} else {
2349 			if (flags & 1) {
2350 				if (is_dvi_d)
2351 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2352 				else
2353 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2354 			}
2355 		}
2356 	}
2357 	if (is_dvi_d)
2358 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2359 	else
2360 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2361 }
2362 
2363 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
2364 {
2365 	struct radeon_device *rdev = dev->dev_private;
2366 	uint32_t conn_info, entry, devices;
2367 	uint16_t tmp, connector_object_id;
2368 	enum radeon_combios_ddc ddc_type;
2369 	enum radeon_combios_connector connector;
2370 	int i = 0;
2371 	struct radeon_i2c_bus_rec ddc_i2c;
2372 	struct radeon_hpd hpd;
2373 
2374 	conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
2375 	if (conn_info) {
2376 		for (i = 0; i < 4; i++) {
2377 			entry = conn_info + 2 + i * 2;
2378 
2379 			if (!RBIOS16(entry))
2380 				break;
2381 
2382 			tmp = RBIOS16(entry);
2383 
2384 			connector = (tmp >> 12) & 0xf;
2385 
2386 			ddc_type = (tmp >> 8) & 0xf;
2387 			if (ddc_type == 5)
2388 				ddc_i2c = radeon_combios_get_i2c_info_from_table(rdev);
2389 			else
2390 				ddc_i2c = combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2391 
2392 			switch (connector) {
2393 			case CONNECTOR_PROPRIETARY_LEGACY:
2394 			case CONNECTOR_DVI_I_LEGACY:
2395 			case CONNECTOR_DVI_D_LEGACY:
2396 				if ((tmp >> 4) & 0x1)
2397 					hpd.hpd = RADEON_HPD_2;
2398 				else
2399 					hpd.hpd = RADEON_HPD_1;
2400 				break;
2401 			default:
2402 				hpd.hpd = RADEON_HPD_NONE;
2403 				break;
2404 			}
2405 
2406 			if (!radeon_apply_legacy_quirks(dev, i, &connector,
2407 							&ddc_i2c, &hpd))
2408 				continue;
2409 
2410 			switch (connector) {
2411 			case CONNECTOR_PROPRIETARY_LEGACY:
2412 				if ((tmp >> 4) & 0x1)
2413 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2414 				else
2415 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2416 				radeon_add_legacy_encoder(dev,
2417 							  radeon_get_encoder_enum
2418 							  (dev, devices, 0),
2419 							  devices);
2420 				radeon_add_legacy_connector(dev, i, devices,
2421 							    legacy_connector_convert
2422 							    [connector],
2423 							    &ddc_i2c,
2424 							    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
2425 							    &hpd);
2426 				break;
2427 			case CONNECTOR_CRT_LEGACY:
2428 				if (tmp & 0x1) {
2429 					devices = ATOM_DEVICE_CRT2_SUPPORT;
2430 					radeon_add_legacy_encoder(dev,
2431 								  radeon_get_encoder_enum
2432 								  (dev,
2433 								   ATOM_DEVICE_CRT2_SUPPORT,
2434 								   2),
2435 								  ATOM_DEVICE_CRT2_SUPPORT);
2436 				} else {
2437 					devices = ATOM_DEVICE_CRT1_SUPPORT;
2438 					radeon_add_legacy_encoder(dev,
2439 								  radeon_get_encoder_enum
2440 								  (dev,
2441 								   ATOM_DEVICE_CRT1_SUPPORT,
2442 								   1),
2443 								  ATOM_DEVICE_CRT1_SUPPORT);
2444 				}
2445 				radeon_add_legacy_connector(dev,
2446 							    i,
2447 							    devices,
2448 							    legacy_connector_convert
2449 							    [connector],
2450 							    &ddc_i2c,
2451 							    CONNECTOR_OBJECT_ID_VGA,
2452 							    &hpd);
2453 				break;
2454 			case CONNECTOR_DVI_I_LEGACY:
2455 				devices = 0;
2456 				if (tmp & 0x1) {
2457 					devices |= ATOM_DEVICE_CRT2_SUPPORT;
2458 					radeon_add_legacy_encoder(dev,
2459 								  radeon_get_encoder_enum
2460 								  (dev,
2461 								   ATOM_DEVICE_CRT2_SUPPORT,
2462 								   2),
2463 								  ATOM_DEVICE_CRT2_SUPPORT);
2464 				} else {
2465 					devices |= ATOM_DEVICE_CRT1_SUPPORT;
2466 					radeon_add_legacy_encoder(dev,
2467 								  radeon_get_encoder_enum
2468 								  (dev,
2469 								   ATOM_DEVICE_CRT1_SUPPORT,
2470 								   1),
2471 								  ATOM_DEVICE_CRT1_SUPPORT);
2472 				}
2473 				/* RV100 board with external TDMS bit mis-set.
2474 				 * Actually uses internal TMDS, clear the bit.
2475 				 */
2476 				if (dev->pdev->device == 0x5159 &&
2477 				    dev->pdev->subsystem_vendor == 0x1014 &&
2478 				    dev->pdev->subsystem_device == 0x029A) {
2479 					tmp &= ~(1 << 4);
2480 				}
2481 				if ((tmp >> 4) & 0x1) {
2482 					devices |= ATOM_DEVICE_DFP2_SUPPORT;
2483 					radeon_add_legacy_encoder(dev,
2484 								  radeon_get_encoder_enum
2485 								  (dev,
2486 								   ATOM_DEVICE_DFP2_SUPPORT,
2487 								   0),
2488 								  ATOM_DEVICE_DFP2_SUPPORT);
2489 					connector_object_id = combios_check_dl_dvi(dev, 0);
2490 				} else {
2491 					devices |= ATOM_DEVICE_DFP1_SUPPORT;
2492 					radeon_add_legacy_encoder(dev,
2493 								  radeon_get_encoder_enum
2494 								  (dev,
2495 								   ATOM_DEVICE_DFP1_SUPPORT,
2496 								   0),
2497 								  ATOM_DEVICE_DFP1_SUPPORT);
2498 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2499 				}
2500 				radeon_add_legacy_connector(dev,
2501 							    i,
2502 							    devices,
2503 							    legacy_connector_convert
2504 							    [connector],
2505 							    &ddc_i2c,
2506 							    connector_object_id,
2507 							    &hpd);
2508 				break;
2509 			case CONNECTOR_DVI_D_LEGACY:
2510 				if ((tmp >> 4) & 0x1) {
2511 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2512 					connector_object_id = combios_check_dl_dvi(dev, 1);
2513 				} else {
2514 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2515 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2516 				}
2517 				radeon_add_legacy_encoder(dev,
2518 							  radeon_get_encoder_enum
2519 							  (dev, devices, 0),
2520 							  devices);
2521 				radeon_add_legacy_connector(dev, i, devices,
2522 							    legacy_connector_convert
2523 							    [connector],
2524 							    &ddc_i2c,
2525 							    connector_object_id,
2526 							    &hpd);
2527 				break;
2528 			case CONNECTOR_CTV_LEGACY:
2529 			case CONNECTOR_STV_LEGACY:
2530 				radeon_add_legacy_encoder(dev,
2531 							  radeon_get_encoder_enum
2532 							  (dev,
2533 							   ATOM_DEVICE_TV1_SUPPORT,
2534 							   2),
2535 							  ATOM_DEVICE_TV1_SUPPORT);
2536 				radeon_add_legacy_connector(dev, i,
2537 							    ATOM_DEVICE_TV1_SUPPORT,
2538 							    legacy_connector_convert
2539 							    [connector],
2540 							    &ddc_i2c,
2541 							    CONNECTOR_OBJECT_ID_SVIDEO,
2542 							    &hpd);
2543 				break;
2544 			default:
2545 				DRM_ERROR("Unknown connector type: %d\n",
2546 					  connector);
2547 				continue;
2548 			}
2549 
2550 		}
2551 	} else {
2552 		uint16_t tmds_info =
2553 		    combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
2554 		if (tmds_info) {
2555 			DRM_DEBUG_KMS("Found DFP table, assuming DVI connector\n");
2556 
2557 			radeon_add_legacy_encoder(dev,
2558 						  radeon_get_encoder_enum(dev,
2559 									ATOM_DEVICE_CRT1_SUPPORT,
2560 									1),
2561 						  ATOM_DEVICE_CRT1_SUPPORT);
2562 			radeon_add_legacy_encoder(dev,
2563 						  radeon_get_encoder_enum(dev,
2564 									ATOM_DEVICE_DFP1_SUPPORT,
2565 									0),
2566 						  ATOM_DEVICE_DFP1_SUPPORT);
2567 
2568 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2569 			hpd.hpd = RADEON_HPD_1;
2570 			radeon_add_legacy_connector(dev,
2571 						    0,
2572 						    ATOM_DEVICE_CRT1_SUPPORT |
2573 						    ATOM_DEVICE_DFP1_SUPPORT,
2574 						    DRM_MODE_CONNECTOR_DVII,
2575 						    &ddc_i2c,
2576 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2577 						    &hpd);
2578 		} else {
2579 			uint16_t crt_info =
2580 				combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
2581 			DRM_DEBUG_KMS("Found CRT table, assuming VGA connector\n");
2582 			if (crt_info) {
2583 				radeon_add_legacy_encoder(dev,
2584 							  radeon_get_encoder_enum(dev,
2585 										ATOM_DEVICE_CRT1_SUPPORT,
2586 										1),
2587 							  ATOM_DEVICE_CRT1_SUPPORT);
2588 				ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2589 				hpd.hpd = RADEON_HPD_NONE;
2590 				radeon_add_legacy_connector(dev,
2591 							    0,
2592 							    ATOM_DEVICE_CRT1_SUPPORT,
2593 							    DRM_MODE_CONNECTOR_VGA,
2594 							    &ddc_i2c,
2595 							    CONNECTOR_OBJECT_ID_VGA,
2596 							    &hpd);
2597 			} else {
2598 				DRM_DEBUG_KMS("No connector info found\n");
2599 				return false;
2600 			}
2601 		}
2602 	}
2603 
2604 	if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
2605 		uint16_t lcd_info =
2606 		    combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
2607 		if (lcd_info) {
2608 			uint16_t lcd_ddc_info =
2609 			    combios_get_table_offset(dev,
2610 						     COMBIOS_LCD_DDC_INFO_TABLE);
2611 
2612 			radeon_add_legacy_encoder(dev,
2613 						  radeon_get_encoder_enum(dev,
2614 									ATOM_DEVICE_LCD1_SUPPORT,
2615 									0),
2616 						  ATOM_DEVICE_LCD1_SUPPORT);
2617 
2618 			if (lcd_ddc_info) {
2619 				ddc_type = RBIOS8(lcd_ddc_info + 2);
2620 				switch (ddc_type) {
2621 				case DDC_LCD:
2622 					ddc_i2c =
2623 						combios_setup_i2c_bus(rdev,
2624 								      DDC_LCD,
2625 								      RBIOS32(lcd_ddc_info + 3),
2626 								      RBIOS32(lcd_ddc_info + 7));
2627 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2628 					break;
2629 				case DDC_GPIO:
2630 					ddc_i2c =
2631 						combios_setup_i2c_bus(rdev,
2632 								      DDC_GPIO,
2633 								      RBIOS32(lcd_ddc_info + 3),
2634 								      RBIOS32(lcd_ddc_info + 7));
2635 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2636 					break;
2637 				default:
2638 					ddc_i2c =
2639 						combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2640 					break;
2641 				}
2642 				DRM_DEBUG_KMS("LCD DDC Info Table found!\n");
2643 			} else
2644 				ddc_i2c.valid = false;
2645 
2646 			hpd.hpd = RADEON_HPD_NONE;
2647 			radeon_add_legacy_connector(dev,
2648 						    5,
2649 						    ATOM_DEVICE_LCD1_SUPPORT,
2650 						    DRM_MODE_CONNECTOR_LVDS,
2651 						    &ddc_i2c,
2652 						    CONNECTOR_OBJECT_ID_LVDS,
2653 						    &hpd);
2654 		}
2655 	}
2656 
2657 	/* check TV table */
2658 	if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
2659 		uint32_t tv_info =
2660 		    combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
2661 		if (tv_info) {
2662 			if (RBIOS8(tv_info + 6) == 'T') {
2663 				if (radeon_apply_legacy_tv_quirks(dev)) {
2664 					hpd.hpd = RADEON_HPD_NONE;
2665 					ddc_i2c.valid = false;
2666 					radeon_add_legacy_encoder(dev,
2667 								  radeon_get_encoder_enum
2668 								  (dev,
2669 								   ATOM_DEVICE_TV1_SUPPORT,
2670 								   2),
2671 								  ATOM_DEVICE_TV1_SUPPORT);
2672 					radeon_add_legacy_connector(dev, 6,
2673 								    ATOM_DEVICE_TV1_SUPPORT,
2674 								    DRM_MODE_CONNECTOR_SVIDEO,
2675 								    &ddc_i2c,
2676 								    CONNECTOR_OBJECT_ID_SVIDEO,
2677 								    &hpd);
2678 				}
2679 			}
2680 		}
2681 	}
2682 
2683 	radeon_link_encoder_connector(dev);
2684 
2685 	return true;
2686 }
2687 
2688 static const char *thermal_controller_names[] = {
2689 	"NONE",
2690 	"lm63",
2691 	"adm1032",
2692 };
2693 
2694 void radeon_combios_get_power_modes(struct radeon_device *rdev)
2695 {
2696 	struct drm_device *dev = rdev->ddev;
2697 	u16 offset, misc, misc2 = 0;
2698 	u8 rev, blocks, tmp;
2699 	int state_index = 0;
2700 	struct radeon_i2c_bus_rec i2c_bus;
2701 
2702 	rdev->pm.default_power_state_index = -1;
2703 
2704 	/* allocate 2 power states */
2705 	rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) * 2, GFP_KERNEL);
2706 	if (rdev->pm.power_state) {
2707 		/* allocate 1 clock mode per state */
2708 		rdev->pm.power_state[0].clock_info =
2709 			kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
2710 		rdev->pm.power_state[1].clock_info =
2711 			kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
2712 		if (!rdev->pm.power_state[0].clock_info ||
2713 		    !rdev->pm.power_state[1].clock_info)
2714 			goto pm_failed;
2715 	} else
2716 		goto pm_failed;
2717 
2718 	/* check for a thermal chip */
2719 	offset = combios_get_table_offset(dev, COMBIOS_OVERDRIVE_INFO_TABLE);
2720 	if (offset) {
2721 		u8 thermal_controller = 0, gpio = 0, i2c_addr = 0, clk_bit = 0, data_bit = 0;
2722 
2723 		rev = RBIOS8(offset);
2724 
2725 		if (rev == 0) {
2726 			thermal_controller = RBIOS8(offset + 3);
2727 			gpio = RBIOS8(offset + 4) & 0x3f;
2728 			i2c_addr = RBIOS8(offset + 5);
2729 		} else if (rev == 1) {
2730 			thermal_controller = RBIOS8(offset + 4);
2731 			gpio = RBIOS8(offset + 5) & 0x3f;
2732 			i2c_addr = RBIOS8(offset + 6);
2733 		} else if (rev == 2) {
2734 			thermal_controller = RBIOS8(offset + 4);
2735 			gpio = RBIOS8(offset + 5) & 0x3f;
2736 			i2c_addr = RBIOS8(offset + 6);
2737 			clk_bit = RBIOS8(offset + 0xa);
2738 			data_bit = RBIOS8(offset + 0xb);
2739 		}
2740 		if ((thermal_controller > 0) && (thermal_controller < 3)) {
2741 			DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2742 				 thermal_controller_names[thermal_controller],
2743 				 i2c_addr >> 1);
2744 			if (gpio == DDC_LCD) {
2745 				/* MM i2c */
2746 				i2c_bus.valid = true;
2747 				i2c_bus.hw_capable = true;
2748 				i2c_bus.mm_i2c = true;
2749 				i2c_bus.i2c_id = 0xa0;
2750 			} else if (gpio == DDC_GPIO)
2751 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 1 << clk_bit, 1 << data_bit);
2752 			else
2753 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
2754 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2755 			if (rdev->pm.i2c_bus) {
2756 				struct i2c_board_info info = { };
2757 				const char *name = thermal_controller_names[thermal_controller];
2758 				info.addr = i2c_addr >> 1;
2759 				strlcpy(info.type, name, sizeof(info.type));
2760 				i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
2761 			}
2762 		}
2763 	} else {
2764 		/* boards with a thermal chip, but no overdrive table */
2765 
2766 		/* Asus 9600xt has an f75375 on the monid bus */
2767 		if ((dev->pdev->device == 0x4152) &&
2768 		    (dev->pdev->subsystem_vendor == 0x1043) &&
2769 		    (dev->pdev->subsystem_device == 0xc002)) {
2770 			i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2771 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2772 			if (rdev->pm.i2c_bus) {
2773 				struct i2c_board_info info = { };
2774 				const char *name = "f75375";
2775 				info.addr = 0x28;
2776 				strlcpy(info.type, name, sizeof(info.type));
2777 				i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
2778 				DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2779 					 name, info.addr);
2780 			}
2781 		}
2782 	}
2783 
2784 	if (rdev->flags & RADEON_IS_MOBILITY) {
2785 		offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
2786 		if (offset) {
2787 			rev = RBIOS8(offset);
2788 			blocks = RBIOS8(offset + 0x2);
2789 			/* power mode 0 tends to be the only valid one */
2790 			rdev->pm.power_state[state_index].num_clock_modes = 1;
2791 			rdev->pm.power_state[state_index].clock_info[0].mclk = RBIOS32(offset + 0x5 + 0x2);
2792 			rdev->pm.power_state[state_index].clock_info[0].sclk = RBIOS32(offset + 0x5 + 0x6);
2793 			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2794 			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2795 				goto default_mode;
2796 			rdev->pm.power_state[state_index].type =
2797 				POWER_STATE_TYPE_BATTERY;
2798 			misc = RBIOS16(offset + 0x5 + 0x0);
2799 			if (rev > 4)
2800 				misc2 = RBIOS16(offset + 0x5 + 0xe);
2801 			rdev->pm.power_state[state_index].misc = misc;
2802 			rdev->pm.power_state[state_index].misc2 = misc2;
2803 			if (misc & 0x4) {
2804 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
2805 				if (misc & 0x8)
2806 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2807 						true;
2808 				else
2809 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2810 						false;
2811 				rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = true;
2812 				if (rev < 6) {
2813 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2814 						RBIOS16(offset + 0x5 + 0xb) * 4;
2815 					tmp = RBIOS8(offset + 0x5 + 0xd);
2816 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2817 				} else {
2818 					u8 entries = RBIOS8(offset + 0x5 + 0xb);
2819 					u16 voltage_table_offset = RBIOS16(offset + 0x5 + 0xc);
2820 					if (entries && voltage_table_offset) {
2821 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2822 							RBIOS16(voltage_table_offset) * 4;
2823 						tmp = RBIOS8(voltage_table_offset + 0x2);
2824 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2825 					} else
2826 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = false;
2827 				}
2828 				switch ((misc2 & 0x700) >> 8) {
2829 				case 0:
2830 				default:
2831 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 0;
2832 					break;
2833 				case 1:
2834 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 33;
2835 					break;
2836 				case 2:
2837 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 66;
2838 					break;
2839 				case 3:
2840 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 99;
2841 					break;
2842 				case 4:
2843 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 132;
2844 					break;
2845 				}
2846 			} else
2847 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2848 			if (rev > 6)
2849 				rdev->pm.power_state[state_index].pcie_lanes =
2850 					RBIOS8(offset + 0x5 + 0x10);
2851 			rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2852 			state_index++;
2853 		} else {
2854 			/* XXX figure out some good default low power mode for mobility cards w/out power tables */
2855 		}
2856 	} else {
2857 		/* XXX figure out some good default low power mode for desktop cards */
2858 	}
2859 
2860 default_mode:
2861 	/* add the default mode */
2862 	rdev->pm.power_state[state_index].type =
2863 		POWER_STATE_TYPE_DEFAULT;
2864 	rdev->pm.power_state[state_index].num_clock_modes = 1;
2865 	rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
2866 	rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
2867 	rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
2868 	if ((state_index > 0) &&
2869 	    (rdev->pm.power_state[0].clock_info[0].voltage.type == VOLTAGE_GPIO))
2870 		rdev->pm.power_state[state_index].clock_info[0].voltage =
2871 			rdev->pm.power_state[0].clock_info[0].voltage;
2872 	else
2873 		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2874 	rdev->pm.power_state[state_index].pcie_lanes = 16;
2875 	rdev->pm.power_state[state_index].flags = 0;
2876 	rdev->pm.default_power_state_index = state_index;
2877 	rdev->pm.num_power_states = state_index + 1;
2878 
2879 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2880 	rdev->pm.current_clock_mode_index = 0;
2881 	return;
2882 
2883 pm_failed:
2884 	rdev->pm.default_power_state_index = state_index;
2885 	rdev->pm.num_power_states = 0;
2886 
2887 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2888 	rdev->pm.current_clock_mode_index = 0;
2889 }
2890 
2891 void radeon_external_tmds_setup(struct drm_encoder *encoder)
2892 {
2893 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2894 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2895 
2896 	if (!tmds)
2897 		return;
2898 
2899 	switch (tmds->dvo_chip) {
2900 	case DVO_SIL164:
2901 		/* sil 164 */
2902 		radeon_i2c_put_byte(tmds->i2c_bus,
2903 				    tmds->slave_addr,
2904 				    0x08, 0x30);
2905 		radeon_i2c_put_byte(tmds->i2c_bus,
2906 				       tmds->slave_addr,
2907 				       0x09, 0x00);
2908 		radeon_i2c_put_byte(tmds->i2c_bus,
2909 				    tmds->slave_addr,
2910 				    0x0a, 0x90);
2911 		radeon_i2c_put_byte(tmds->i2c_bus,
2912 				    tmds->slave_addr,
2913 				    0x0c, 0x89);
2914 		radeon_i2c_put_byte(tmds->i2c_bus,
2915 				       tmds->slave_addr,
2916 				       0x08, 0x3b);
2917 		break;
2918 	case DVO_SIL1178:
2919 		/* sil 1178 - untested */
2920 		/*
2921 		 * 0x0f, 0x44
2922 		 * 0x0f, 0x4c
2923 		 * 0x0e, 0x01
2924 		 * 0x0a, 0x80
2925 		 * 0x09, 0x30
2926 		 * 0x0c, 0xc9
2927 		 * 0x0d, 0x70
2928 		 * 0x08, 0x32
2929 		 * 0x08, 0x33
2930 		 */
2931 		break;
2932 	default:
2933 		break;
2934 	}
2935 
2936 }
2937 
2938 bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
2939 {
2940 	struct drm_device *dev = encoder->dev;
2941 	struct radeon_device *rdev = dev->dev_private;
2942 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2943 	uint16_t offset;
2944 	uint8_t blocks, slave_addr, rev;
2945 	uint32_t index, id;
2946 	uint32_t reg, val, and_mask, or_mask;
2947 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2948 
2949 	if (!tmds)
2950 		return false;
2951 
2952 	if (rdev->flags & RADEON_IS_IGP) {
2953 		offset = combios_get_table_offset(dev, COMBIOS_TMDS_POWER_ON_TABLE);
2954 		rev = RBIOS8(offset);
2955 		if (offset) {
2956 			rev = RBIOS8(offset);
2957 			if (rev > 1) {
2958 				blocks = RBIOS8(offset + 3);
2959 				index = offset + 4;
2960 				while (blocks > 0) {
2961 					id = RBIOS16(index);
2962 					index += 2;
2963 					switch (id >> 13) {
2964 					case 0:
2965 						reg = (id & 0x1fff) * 4;
2966 						val = RBIOS32(index);
2967 						index += 4;
2968 						WREG32(reg, val);
2969 						break;
2970 					case 2:
2971 						reg = (id & 0x1fff) * 4;
2972 						and_mask = RBIOS32(index);
2973 						index += 4;
2974 						or_mask = RBIOS32(index);
2975 						index += 4;
2976 						val = RREG32(reg);
2977 						val = (val & and_mask) | or_mask;
2978 						WREG32(reg, val);
2979 						break;
2980 					case 3:
2981 						val = RBIOS16(index);
2982 						index += 2;
2983 						udelay(val);
2984 						break;
2985 					case 4:
2986 						val = RBIOS16(index);
2987 						index += 2;
2988 						mdelay(val);
2989 						break;
2990 					case 6:
2991 						slave_addr = id & 0xff;
2992 						slave_addr >>= 1; /* 7 bit addressing */
2993 						index++;
2994 						reg = RBIOS8(index);
2995 						index++;
2996 						val = RBIOS8(index);
2997 						index++;
2998 						radeon_i2c_put_byte(tmds->i2c_bus,
2999 								    slave_addr,
3000 								    reg, val);
3001 						break;
3002 					default:
3003 						DRM_ERROR("Unknown id %d\n", id >> 13);
3004 						break;
3005 					}
3006 					blocks--;
3007 				}
3008 				return true;
3009 			}
3010 		}
3011 	} else {
3012 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
3013 		if (offset) {
3014 			index = offset + 10;
3015 			id = RBIOS16(index);
3016 			while (id != 0xffff) {
3017 				index += 2;
3018 				switch (id >> 13) {
3019 				case 0:
3020 					reg = (id & 0x1fff) * 4;
3021 					val = RBIOS32(index);
3022 					WREG32(reg, val);
3023 					break;
3024 				case 2:
3025 					reg = (id & 0x1fff) * 4;
3026 					and_mask = RBIOS32(index);
3027 					index += 4;
3028 					or_mask = RBIOS32(index);
3029 					index += 4;
3030 					val = RREG32(reg);
3031 					val = (val & and_mask) | or_mask;
3032 					WREG32(reg, val);
3033 					break;
3034 				case 4:
3035 					val = RBIOS16(index);
3036 					index += 2;
3037 					udelay(val);
3038 					break;
3039 				case 5:
3040 					reg = id & 0x1fff;
3041 					and_mask = RBIOS32(index);
3042 					index += 4;
3043 					or_mask = RBIOS32(index);
3044 					index += 4;
3045 					val = RREG32_PLL(reg);
3046 					val = (val & and_mask) | or_mask;
3047 					WREG32_PLL(reg, val);
3048 					break;
3049 				case 6:
3050 					reg = id & 0x1fff;
3051 					val = RBIOS8(index);
3052 					index += 1;
3053 					radeon_i2c_put_byte(tmds->i2c_bus,
3054 							    tmds->slave_addr,
3055 							    reg, val);
3056 					break;
3057 				default:
3058 					DRM_ERROR("Unknown id %d\n", id >> 13);
3059 					break;
3060 				}
3061 				id = RBIOS16(index);
3062 			}
3063 			return true;
3064 		}
3065 	}
3066 	return false;
3067 }
3068 
3069 static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
3070 {
3071 	struct radeon_device *rdev = dev->dev_private;
3072 
3073 	if (offset) {
3074 		while (RBIOS16(offset)) {
3075 			uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
3076 			uint32_t addr = (RBIOS16(offset) & 0x1fff);
3077 			uint32_t val, and_mask, or_mask;
3078 			uint32_t tmp;
3079 
3080 			offset += 2;
3081 			switch (cmd) {
3082 			case 0:
3083 				val = RBIOS32(offset);
3084 				offset += 4;
3085 				WREG32(addr, val);
3086 				break;
3087 			case 1:
3088 				val = RBIOS32(offset);
3089 				offset += 4;
3090 				WREG32(addr, val);
3091 				break;
3092 			case 2:
3093 				and_mask = RBIOS32(offset);
3094 				offset += 4;
3095 				or_mask = RBIOS32(offset);
3096 				offset += 4;
3097 				tmp = RREG32(addr);
3098 				tmp &= and_mask;
3099 				tmp |= or_mask;
3100 				WREG32(addr, tmp);
3101 				break;
3102 			case 3:
3103 				and_mask = RBIOS32(offset);
3104 				offset += 4;
3105 				or_mask = RBIOS32(offset);
3106 				offset += 4;
3107 				tmp = RREG32(addr);
3108 				tmp &= and_mask;
3109 				tmp |= or_mask;
3110 				WREG32(addr, tmp);
3111 				break;
3112 			case 4:
3113 				val = RBIOS16(offset);
3114 				offset += 2;
3115 				udelay(val);
3116 				break;
3117 			case 5:
3118 				val = RBIOS16(offset);
3119 				offset += 2;
3120 				switch (addr) {
3121 				case 8:
3122 					while (val--) {
3123 						if (!
3124 						    (RREG32_PLL
3125 						     (RADEON_CLK_PWRMGT_CNTL) &
3126 						     RADEON_MC_BUSY))
3127 							break;
3128 					}
3129 					break;
3130 				case 9:
3131 					while (val--) {
3132 						if ((RREG32(RADEON_MC_STATUS) &
3133 						     RADEON_MC_IDLE))
3134 							break;
3135 					}
3136 					break;
3137 				default:
3138 					break;
3139 				}
3140 				break;
3141 			default:
3142 				break;
3143 			}
3144 		}
3145 	}
3146 }
3147 
3148 static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
3149 {
3150 	struct radeon_device *rdev = dev->dev_private;
3151 
3152 	if (offset) {
3153 		while (RBIOS8(offset)) {
3154 			uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
3155 			uint8_t addr = (RBIOS8(offset) & 0x3f);
3156 			uint32_t val, shift, tmp;
3157 			uint32_t and_mask, or_mask;
3158 
3159 			offset++;
3160 			switch (cmd) {
3161 			case 0:
3162 				val = RBIOS32(offset);
3163 				offset += 4;
3164 				WREG32_PLL(addr, val);
3165 				break;
3166 			case 1:
3167 				shift = RBIOS8(offset) * 8;
3168 				offset++;
3169 				and_mask = RBIOS8(offset) << shift;
3170 				and_mask |= ~(0xff << shift);
3171 				offset++;
3172 				or_mask = RBIOS8(offset) << shift;
3173 				offset++;
3174 				tmp = RREG32_PLL(addr);
3175 				tmp &= and_mask;
3176 				tmp |= or_mask;
3177 				WREG32_PLL(addr, tmp);
3178 				break;
3179 			case 2:
3180 			case 3:
3181 				tmp = 1000;
3182 				switch (addr) {
3183 				case 1:
3184 					udelay(150);
3185 					break;
3186 				case 2:
3187 					mdelay(1);
3188 					break;
3189 				case 3:
3190 					while (tmp--) {
3191 						if (!
3192 						    (RREG32_PLL
3193 						     (RADEON_CLK_PWRMGT_CNTL) &
3194 						     RADEON_MC_BUSY))
3195 							break;
3196 					}
3197 					break;
3198 				case 4:
3199 					while (tmp--) {
3200 						if (RREG32_PLL
3201 						    (RADEON_CLK_PWRMGT_CNTL) &
3202 						    RADEON_DLL_READY)
3203 							break;
3204 					}
3205 					break;
3206 				case 5:
3207 					tmp =
3208 					    RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
3209 					if (tmp & RADEON_CG_NO1_DEBUG_0) {
3210 #if 0
3211 						uint32_t mclk_cntl =
3212 						    RREG32_PLL
3213 						    (RADEON_MCLK_CNTL);
3214 						mclk_cntl &= 0xffff0000;
3215 						/*mclk_cntl |= 0x00001111;*//* ??? */
3216 						WREG32_PLL(RADEON_MCLK_CNTL,
3217 							   mclk_cntl);
3218 						mdelay(10);
3219 #endif
3220 						WREG32_PLL
3221 						    (RADEON_CLK_PWRMGT_CNTL,
3222 						     tmp &
3223 						     ~RADEON_CG_NO1_DEBUG_0);
3224 						mdelay(10);
3225 					}
3226 					break;
3227 				default:
3228 					break;
3229 				}
3230 				break;
3231 			default:
3232 				break;
3233 			}
3234 		}
3235 	}
3236 }
3237 
3238 static void combios_parse_ram_reset_table(struct drm_device *dev,
3239 					  uint16_t offset)
3240 {
3241 	struct radeon_device *rdev = dev->dev_private;
3242 	uint32_t tmp;
3243 
3244 	if (offset) {
3245 		uint8_t val = RBIOS8(offset);
3246 		while (val != 0xff) {
3247 			offset++;
3248 
3249 			if (val == 0x0f) {
3250 				uint32_t channel_complete_mask;
3251 
3252 				if (ASIC_IS_R300(rdev))
3253 					channel_complete_mask =
3254 					    R300_MEM_PWRUP_COMPLETE;
3255 				else
3256 					channel_complete_mask =
3257 					    RADEON_MEM_PWRUP_COMPLETE;
3258 				tmp = 20000;
3259 				while (tmp--) {
3260 					if ((RREG32(RADEON_MEM_STR_CNTL) &
3261 					     channel_complete_mask) ==
3262 					    channel_complete_mask)
3263 						break;
3264 				}
3265 			} else {
3266 				uint32_t or_mask = RBIOS16(offset);
3267 				offset += 2;
3268 
3269 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3270 				tmp &= RADEON_SDRAM_MODE_MASK;
3271 				tmp |= or_mask;
3272 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3273 
3274 				or_mask = val << 24;
3275 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3276 				tmp &= RADEON_B3MEM_RESET_MASK;
3277 				tmp |= or_mask;
3278 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3279 			}
3280 			val = RBIOS8(offset);
3281 		}
3282 	}
3283 }
3284 
3285 static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
3286 				   int mem_addr_mapping)
3287 {
3288 	struct radeon_device *rdev = dev->dev_private;
3289 	uint32_t mem_cntl;
3290 	uint32_t mem_size;
3291 	uint32_t addr = 0;
3292 
3293 	mem_cntl = RREG32(RADEON_MEM_CNTL);
3294 	if (mem_cntl & RV100_HALF_MODE)
3295 		ram /= 2;
3296 	mem_size = ram;
3297 	mem_cntl &= ~(0xff << 8);
3298 	mem_cntl |= (mem_addr_mapping & 0xff) << 8;
3299 	WREG32(RADEON_MEM_CNTL, mem_cntl);
3300 	RREG32(RADEON_MEM_CNTL);
3301 
3302 	/* sdram reset ? */
3303 
3304 	/* something like this????  */
3305 	while (ram--) {
3306 		addr = ram * 1024 * 1024;
3307 		/* write to each page */
3308 		WREG32_IDX((addr) | RADEON_MM_APER, 0xdeadbeef);
3309 		/* read back and verify */
3310 		if (RREG32_IDX((addr) | RADEON_MM_APER) != 0xdeadbeef)
3311 			return 0;
3312 	}
3313 
3314 	return mem_size;
3315 }
3316 
3317 static void combios_write_ram_size(struct drm_device *dev)
3318 {
3319 	struct radeon_device *rdev = dev->dev_private;
3320 	uint8_t rev;
3321 	uint16_t offset;
3322 	uint32_t mem_size = 0;
3323 	uint32_t mem_cntl = 0;
3324 
3325 	/* should do something smarter here I guess... */
3326 	if (rdev->flags & RADEON_IS_IGP)
3327 		return;
3328 
3329 	/* first check detected mem table */
3330 	offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
3331 	if (offset) {
3332 		rev = RBIOS8(offset);
3333 		if (rev < 3) {
3334 			mem_cntl = RBIOS32(offset + 1);
3335 			mem_size = RBIOS16(offset + 5);
3336 			if ((rdev->family < CHIP_R200) &&
3337 			    !ASIC_IS_RN50(rdev))
3338 				WREG32(RADEON_MEM_CNTL, mem_cntl);
3339 		}
3340 	}
3341 
3342 	if (!mem_size) {
3343 		offset =
3344 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
3345 		if (offset) {
3346 			rev = RBIOS8(offset - 1);
3347 			if (rev < 1) {
3348 				if ((rdev->family < CHIP_R200)
3349 				    && !ASIC_IS_RN50(rdev)) {
3350 					int ram = 0;
3351 					int mem_addr_mapping = 0;
3352 
3353 					while (RBIOS8(offset)) {
3354 						ram = RBIOS8(offset);
3355 						mem_addr_mapping =
3356 						    RBIOS8(offset + 1);
3357 						if (mem_addr_mapping != 0x25)
3358 							ram *= 2;
3359 						mem_size =
3360 						    combios_detect_ram(dev, ram,
3361 								       mem_addr_mapping);
3362 						if (mem_size)
3363 							break;
3364 						offset += 2;
3365 					}
3366 				} else
3367 					mem_size = RBIOS8(offset);
3368 			} else {
3369 				mem_size = RBIOS8(offset);
3370 				mem_size *= 2;	/* convert to MB */
3371 			}
3372 		}
3373 	}
3374 
3375 	mem_size *= (1024 * 1024);	/* convert to bytes */
3376 	WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
3377 }
3378 
3379 void radeon_combios_asic_init(struct drm_device *dev)
3380 {
3381 	struct radeon_device *rdev = dev->dev_private;
3382 	uint16_t table;
3383 
3384 	/* port hardcoded mac stuff from radeonfb */
3385 	if (rdev->bios == NULL)
3386 		return;
3387 
3388 	/* ASIC INIT 1 */
3389 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE);
3390 	if (table)
3391 		combios_parse_mmio_table(dev, table);
3392 
3393 	/* PLL INIT */
3394 	table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE);
3395 	if (table)
3396 		combios_parse_pll_table(dev, table);
3397 
3398 	/* ASIC INIT 2 */
3399 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE);
3400 	if (table)
3401 		combios_parse_mmio_table(dev, table);
3402 
3403 	if (!(rdev->flags & RADEON_IS_IGP)) {
3404 		/* ASIC INIT 4 */
3405 		table =
3406 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE);
3407 		if (table)
3408 			combios_parse_mmio_table(dev, table);
3409 
3410 		/* RAM RESET */
3411 		table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE);
3412 		if (table)
3413 			combios_parse_ram_reset_table(dev, table);
3414 
3415 		/* ASIC INIT 3 */
3416 		table =
3417 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE);
3418 		if (table)
3419 			combios_parse_mmio_table(dev, table);
3420 
3421 		/* write CONFIG_MEMSIZE */
3422 		combios_write_ram_size(dev);
3423 	}
3424 
3425 	/* quirk for rs4xx HP nx6125 laptop to make it resume
3426 	 * - it hangs on resume inside the dynclk 1 table.
3427 	 */
3428 	if (rdev->family == CHIP_RS480 &&
3429 	    rdev->pdev->subsystem_vendor == 0x103c &&
3430 	    rdev->pdev->subsystem_device == 0x308b)
3431 		return;
3432 
3433 	/* quirk for rs4xx HP dv5000 laptop to make it resume
3434 	 * - it hangs on resume inside the dynclk 1 table.
3435 	 */
3436 	if (rdev->family == CHIP_RS480 &&
3437 	    rdev->pdev->subsystem_vendor == 0x103c &&
3438 	    rdev->pdev->subsystem_device == 0x30a4)
3439 		return;
3440 
3441 	/* quirk for rs4xx Compaq Presario V5245EU laptop to make it resume
3442 	 * - it hangs on resume inside the dynclk 1 table.
3443 	 */
3444 	if (rdev->family == CHIP_RS480 &&
3445 	    rdev->pdev->subsystem_vendor == 0x103c &&
3446 	    rdev->pdev->subsystem_device == 0x30ae)
3447 		return;
3448 
3449 	/* DYN CLK 1 */
3450 	table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3451 	if (table)
3452 		combios_parse_pll_table(dev, table);
3453 
3454 }
3455 
3456 void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
3457 {
3458 	struct radeon_device *rdev = dev->dev_private;
3459 	uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
3460 
3461 	bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
3462 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3463 	bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
3464 
3465 	/* let the bios control the backlight */
3466 	bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
3467 
3468 	/* tell the bios not to handle mode switching */
3469 	bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
3470 			   RADEON_ACC_MODE_CHANGE);
3471 
3472 	/* tell the bios a driver is loaded */
3473 	bios_7_scratch |= RADEON_DRV_LOADED;
3474 
3475 	WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
3476 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3477 	WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
3478 }
3479 
3480 void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
3481 {
3482 	struct drm_device *dev = encoder->dev;
3483 	struct radeon_device *rdev = dev->dev_private;
3484 	uint32_t bios_6_scratch;
3485 
3486 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3487 
3488 	if (lock)
3489 		bios_6_scratch |= RADEON_DRIVER_CRITICAL;
3490 	else
3491 		bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
3492 
3493 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3494 }
3495 
3496 void
3497 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
3498 				      struct drm_encoder *encoder,
3499 				      bool connected)
3500 {
3501 	struct drm_device *dev = connector->dev;
3502 	struct radeon_device *rdev = dev->dev_private;
3503 	struct radeon_connector *radeon_connector =
3504 	    to_radeon_connector(connector);
3505 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3506 	uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
3507 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3508 
3509 	if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
3510 	    (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
3511 		if (connected) {
3512 			DRM_DEBUG_KMS("TV1 connected\n");
3513 			/* fix me */
3514 			bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
3515 			/*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
3516 			bios_5_scratch |= RADEON_TV1_ON;
3517 			bios_5_scratch |= RADEON_ACC_REQ_TV1;
3518 		} else {
3519 			DRM_DEBUG_KMS("TV1 disconnected\n");
3520 			bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
3521 			bios_5_scratch &= ~RADEON_TV1_ON;
3522 			bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
3523 		}
3524 	}
3525 	if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
3526 	    (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
3527 		if (connected) {
3528 			DRM_DEBUG_KMS("LCD1 connected\n");
3529 			bios_4_scratch |= RADEON_LCD1_ATTACHED;
3530 			bios_5_scratch |= RADEON_LCD1_ON;
3531 			bios_5_scratch |= RADEON_ACC_REQ_LCD1;
3532 		} else {
3533 			DRM_DEBUG_KMS("LCD1 disconnected\n");
3534 			bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
3535 			bios_5_scratch &= ~RADEON_LCD1_ON;
3536 			bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
3537 		}
3538 	}
3539 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
3540 	    (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
3541 		if (connected) {
3542 			DRM_DEBUG_KMS("CRT1 connected\n");
3543 			bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
3544 			bios_5_scratch |= RADEON_CRT1_ON;
3545 			bios_5_scratch |= RADEON_ACC_REQ_CRT1;
3546 		} else {
3547 			DRM_DEBUG_KMS("CRT1 disconnected\n");
3548 			bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
3549 			bios_5_scratch &= ~RADEON_CRT1_ON;
3550 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
3551 		}
3552 	}
3553 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
3554 	    (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
3555 		if (connected) {
3556 			DRM_DEBUG_KMS("CRT2 connected\n");
3557 			bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
3558 			bios_5_scratch |= RADEON_CRT2_ON;
3559 			bios_5_scratch |= RADEON_ACC_REQ_CRT2;
3560 		} else {
3561 			DRM_DEBUG_KMS("CRT2 disconnected\n");
3562 			bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
3563 			bios_5_scratch &= ~RADEON_CRT2_ON;
3564 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
3565 		}
3566 	}
3567 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
3568 	    (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
3569 		if (connected) {
3570 			DRM_DEBUG_KMS("DFP1 connected\n");
3571 			bios_4_scratch |= RADEON_DFP1_ATTACHED;
3572 			bios_5_scratch |= RADEON_DFP1_ON;
3573 			bios_5_scratch |= RADEON_ACC_REQ_DFP1;
3574 		} else {
3575 			DRM_DEBUG_KMS("DFP1 disconnected\n");
3576 			bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
3577 			bios_5_scratch &= ~RADEON_DFP1_ON;
3578 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
3579 		}
3580 	}
3581 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
3582 	    (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
3583 		if (connected) {
3584 			DRM_DEBUG_KMS("DFP2 connected\n");
3585 			bios_4_scratch |= RADEON_DFP2_ATTACHED;
3586 			bios_5_scratch |= RADEON_DFP2_ON;
3587 			bios_5_scratch |= RADEON_ACC_REQ_DFP2;
3588 		} else {
3589 			DRM_DEBUG_KMS("DFP2 disconnected\n");
3590 			bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
3591 			bios_5_scratch &= ~RADEON_DFP2_ON;
3592 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
3593 		}
3594 	}
3595 	WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
3596 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3597 }
3598 
3599 void
3600 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
3601 {
3602 	struct drm_device *dev = encoder->dev;
3603 	struct radeon_device *rdev = dev->dev_private;
3604 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3605 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3606 
3607 	if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
3608 		bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
3609 		bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
3610 	}
3611 	if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
3612 		bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
3613 		bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
3614 	}
3615 	if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
3616 		bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
3617 		bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
3618 	}
3619 	if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
3620 		bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
3621 		bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
3622 	}
3623 	if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
3624 		bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
3625 		bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
3626 	}
3627 	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
3628 		bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
3629 		bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
3630 	}
3631 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3632 }
3633 
3634 void
3635 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
3636 {
3637 	struct drm_device *dev = encoder->dev;
3638 	struct radeon_device *rdev = dev->dev_private;
3639 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3640 	uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3641 
3642 	if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
3643 		if (on)
3644 			bios_6_scratch |= RADEON_TV_DPMS_ON;
3645 		else
3646 			bios_6_scratch &= ~RADEON_TV_DPMS_ON;
3647 	}
3648 	if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3649 		if (on)
3650 			bios_6_scratch |= RADEON_CRT_DPMS_ON;
3651 		else
3652 			bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
3653 	}
3654 	if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3655 		if (on)
3656 			bios_6_scratch |= RADEON_LCD_DPMS_ON;
3657 		else
3658 			bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
3659 	}
3660 	if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
3661 		if (on)
3662 			bios_6_scratch |= RADEON_DFP_DPMS_ON;
3663 		else
3664 			bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
3665 	}
3666 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3667 }
3668