1 /*
2  * Copyright 2004 ATI Technologies Inc., Markham, Ontario
3  * Copyright 2007-8 Advanced Micro Devices, Inc.
4  * Copyright 2008 Red Hat Inc.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  */
27 #include "drmP.h"
28 #include "radeon_drm.h"
29 #include "radeon.h"
30 #include "atom.h"
31 
32 #ifdef CONFIG_PPC_PMAC
33 /* not sure which of these are needed */
34 #include <asm/machdep.h>
35 #include <asm/pmac_feature.h>
36 #include <asm/prom.h>
37 #include <asm/pci-bridge.h>
38 #endif /* CONFIG_PPC_PMAC */
39 
40 /* from radeon_encoder.c */
41 extern uint32_t
42 radeon_get_encoder_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("PowerMac4,4")) {
1552 			/* emac */
1553 			rdev->mode_info.connector_table = CT_EMAC;
1554 		} else if (of_machine_is_compatible("PowerMac10,1")) {
1555 			/* mini with internal tmds */
1556 			rdev->mode_info.connector_table = CT_MINI_INTERNAL;
1557 		} else if (of_machine_is_compatible("PowerMac10,2")) {
1558 			/* mini with external tmds */
1559 			rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
1560 		} else if (of_machine_is_compatible("PowerMac12,1")) {
1561 			/* PowerMac8,1 ? */
1562 			/* imac g5 isight */
1563 			rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
1564 		} else if ((rdev->pdev->device == 0x4a48) &&
1565 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1566 			   (rdev->pdev->subsystem_device == 0x4a48)) {
1567 			/* Mac X800 */
1568 			rdev->mode_info.connector_table = CT_MAC_X800;
1569 		} else if ((of_machine_is_compatible("PowerMac7,2") ||
1570 			    of_machine_is_compatible("PowerMac7,3")) &&
1571 			   (rdev->pdev->device == 0x4150) &&
1572 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1573 			   (rdev->pdev->subsystem_device == 0x4150)) {
1574 			/* Mac G5 tower 9600 */
1575 			rdev->mode_info.connector_table = CT_MAC_G5_9600;
1576 		} else if ((rdev->pdev->device == 0x4c66) &&
1577 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1578 			   (rdev->pdev->subsystem_device == 0x4c66)) {
1579 			/* SAM440ep RV250 embedded board */
1580 			rdev->mode_info.connector_table = CT_SAM440EP;
1581 		} else
1582 #endif /* CONFIG_PPC_PMAC */
1583 #ifdef CONFIG_PPC64
1584 		if (ASIC_IS_RN50(rdev))
1585 			rdev->mode_info.connector_table = CT_RN50_POWER;
1586 		else
1587 #endif
1588 			rdev->mode_info.connector_table = CT_GENERIC;
1589 	}
1590 
1591 	switch (rdev->mode_info.connector_table) {
1592 	case CT_GENERIC:
1593 		DRM_INFO("Connector Table: %d (generic)\n",
1594 			 rdev->mode_info.connector_table);
1595 		/* these are the most common settings */
1596 		if (rdev->flags & RADEON_SINGLE_CRTC) {
1597 			/* VGA - primary dac */
1598 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1599 			hpd.hpd = RADEON_HPD_NONE;
1600 			radeon_add_legacy_encoder(dev,
1601 						  radeon_get_encoder_enum(dev,
1602 									ATOM_DEVICE_CRT1_SUPPORT,
1603 									1),
1604 						  ATOM_DEVICE_CRT1_SUPPORT);
1605 			radeon_add_legacy_connector(dev, 0,
1606 						    ATOM_DEVICE_CRT1_SUPPORT,
1607 						    DRM_MODE_CONNECTOR_VGA,
1608 						    &ddc_i2c,
1609 						    CONNECTOR_OBJECT_ID_VGA,
1610 						    &hpd);
1611 		} else if (rdev->flags & RADEON_IS_MOBILITY) {
1612 			/* LVDS */
1613 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
1614 			hpd.hpd = RADEON_HPD_NONE;
1615 			radeon_add_legacy_encoder(dev,
1616 						  radeon_get_encoder_enum(dev,
1617 									ATOM_DEVICE_LCD1_SUPPORT,
1618 									0),
1619 						  ATOM_DEVICE_LCD1_SUPPORT);
1620 			radeon_add_legacy_connector(dev, 0,
1621 						    ATOM_DEVICE_LCD1_SUPPORT,
1622 						    DRM_MODE_CONNECTOR_LVDS,
1623 						    &ddc_i2c,
1624 						    CONNECTOR_OBJECT_ID_LVDS,
1625 						    &hpd);
1626 
1627 			/* VGA - primary dac */
1628 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1629 			hpd.hpd = RADEON_HPD_NONE;
1630 			radeon_add_legacy_encoder(dev,
1631 						  radeon_get_encoder_enum(dev,
1632 									ATOM_DEVICE_CRT1_SUPPORT,
1633 									1),
1634 						  ATOM_DEVICE_CRT1_SUPPORT);
1635 			radeon_add_legacy_connector(dev, 1,
1636 						    ATOM_DEVICE_CRT1_SUPPORT,
1637 						    DRM_MODE_CONNECTOR_VGA,
1638 						    &ddc_i2c,
1639 						    CONNECTOR_OBJECT_ID_VGA,
1640 						    &hpd);
1641 		} else {
1642 			/* DVI-I - tv dac, int tmds */
1643 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1644 			hpd.hpd = RADEON_HPD_1;
1645 			radeon_add_legacy_encoder(dev,
1646 						  radeon_get_encoder_enum(dev,
1647 									ATOM_DEVICE_DFP1_SUPPORT,
1648 									0),
1649 						  ATOM_DEVICE_DFP1_SUPPORT);
1650 			radeon_add_legacy_encoder(dev,
1651 						  radeon_get_encoder_enum(dev,
1652 									ATOM_DEVICE_CRT2_SUPPORT,
1653 									2),
1654 						  ATOM_DEVICE_CRT2_SUPPORT);
1655 			radeon_add_legacy_connector(dev, 0,
1656 						    ATOM_DEVICE_DFP1_SUPPORT |
1657 						    ATOM_DEVICE_CRT2_SUPPORT,
1658 						    DRM_MODE_CONNECTOR_DVII,
1659 						    &ddc_i2c,
1660 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1661 						    &hpd);
1662 
1663 			/* VGA - primary dac */
1664 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1665 			hpd.hpd = RADEON_HPD_NONE;
1666 			radeon_add_legacy_encoder(dev,
1667 						  radeon_get_encoder_enum(dev,
1668 									ATOM_DEVICE_CRT1_SUPPORT,
1669 									1),
1670 						  ATOM_DEVICE_CRT1_SUPPORT);
1671 			radeon_add_legacy_connector(dev, 1,
1672 						    ATOM_DEVICE_CRT1_SUPPORT,
1673 						    DRM_MODE_CONNECTOR_VGA,
1674 						    &ddc_i2c,
1675 						    CONNECTOR_OBJECT_ID_VGA,
1676 						    &hpd);
1677 		}
1678 
1679 		if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1680 			/* TV - tv dac */
1681 			ddc_i2c.valid = false;
1682 			hpd.hpd = RADEON_HPD_NONE;
1683 			radeon_add_legacy_encoder(dev,
1684 						  radeon_get_encoder_enum(dev,
1685 									ATOM_DEVICE_TV1_SUPPORT,
1686 									2),
1687 						  ATOM_DEVICE_TV1_SUPPORT);
1688 			radeon_add_legacy_connector(dev, 2,
1689 						    ATOM_DEVICE_TV1_SUPPORT,
1690 						    DRM_MODE_CONNECTOR_SVIDEO,
1691 						    &ddc_i2c,
1692 						    CONNECTOR_OBJECT_ID_SVIDEO,
1693 						    &hpd);
1694 		}
1695 		break;
1696 	case CT_IBOOK:
1697 		DRM_INFO("Connector Table: %d (ibook)\n",
1698 			 rdev->mode_info.connector_table);
1699 		/* LVDS */
1700 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1701 		hpd.hpd = RADEON_HPD_NONE;
1702 		radeon_add_legacy_encoder(dev,
1703 					  radeon_get_encoder_enum(dev,
1704 								ATOM_DEVICE_LCD1_SUPPORT,
1705 								0),
1706 					  ATOM_DEVICE_LCD1_SUPPORT);
1707 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1708 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1709 					    CONNECTOR_OBJECT_ID_LVDS,
1710 					    &hpd);
1711 		/* VGA - TV DAC */
1712 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1713 		hpd.hpd = RADEON_HPD_NONE;
1714 		radeon_add_legacy_encoder(dev,
1715 					  radeon_get_encoder_enum(dev,
1716 								ATOM_DEVICE_CRT2_SUPPORT,
1717 								2),
1718 					  ATOM_DEVICE_CRT2_SUPPORT);
1719 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1720 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1721 					    CONNECTOR_OBJECT_ID_VGA,
1722 					    &hpd);
1723 		/* TV - TV DAC */
1724 		ddc_i2c.valid = false;
1725 		hpd.hpd = RADEON_HPD_NONE;
1726 		radeon_add_legacy_encoder(dev,
1727 					  radeon_get_encoder_enum(dev,
1728 								ATOM_DEVICE_TV1_SUPPORT,
1729 								2),
1730 					  ATOM_DEVICE_TV1_SUPPORT);
1731 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1732 					    DRM_MODE_CONNECTOR_SVIDEO,
1733 					    &ddc_i2c,
1734 					    CONNECTOR_OBJECT_ID_SVIDEO,
1735 					    &hpd);
1736 		break;
1737 	case CT_POWERBOOK_EXTERNAL:
1738 		DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
1739 			 rdev->mode_info.connector_table);
1740 		/* LVDS */
1741 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1742 		hpd.hpd = RADEON_HPD_NONE;
1743 		radeon_add_legacy_encoder(dev,
1744 					  radeon_get_encoder_enum(dev,
1745 								ATOM_DEVICE_LCD1_SUPPORT,
1746 								0),
1747 					  ATOM_DEVICE_LCD1_SUPPORT);
1748 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1749 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1750 					    CONNECTOR_OBJECT_ID_LVDS,
1751 					    &hpd);
1752 		/* DVI-I - primary dac, ext tmds */
1753 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1754 		hpd.hpd = RADEON_HPD_2; /* ??? */
1755 		radeon_add_legacy_encoder(dev,
1756 					  radeon_get_encoder_enum(dev,
1757 								ATOM_DEVICE_DFP2_SUPPORT,
1758 								0),
1759 					  ATOM_DEVICE_DFP2_SUPPORT);
1760 		radeon_add_legacy_encoder(dev,
1761 					  radeon_get_encoder_enum(dev,
1762 								ATOM_DEVICE_CRT1_SUPPORT,
1763 								1),
1764 					  ATOM_DEVICE_CRT1_SUPPORT);
1765 		/* XXX some are SL */
1766 		radeon_add_legacy_connector(dev, 1,
1767 					    ATOM_DEVICE_DFP2_SUPPORT |
1768 					    ATOM_DEVICE_CRT1_SUPPORT,
1769 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1770 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
1771 					    &hpd);
1772 		/* TV - TV DAC */
1773 		ddc_i2c.valid = false;
1774 		hpd.hpd = RADEON_HPD_NONE;
1775 		radeon_add_legacy_encoder(dev,
1776 					  radeon_get_encoder_enum(dev,
1777 								ATOM_DEVICE_TV1_SUPPORT,
1778 								2),
1779 					  ATOM_DEVICE_TV1_SUPPORT);
1780 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1781 					    DRM_MODE_CONNECTOR_SVIDEO,
1782 					    &ddc_i2c,
1783 					    CONNECTOR_OBJECT_ID_SVIDEO,
1784 					    &hpd);
1785 		break;
1786 	case CT_POWERBOOK_INTERNAL:
1787 		DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
1788 			 rdev->mode_info.connector_table);
1789 		/* LVDS */
1790 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1791 		hpd.hpd = RADEON_HPD_NONE;
1792 		radeon_add_legacy_encoder(dev,
1793 					  radeon_get_encoder_enum(dev,
1794 								ATOM_DEVICE_LCD1_SUPPORT,
1795 								0),
1796 					  ATOM_DEVICE_LCD1_SUPPORT);
1797 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1798 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1799 					    CONNECTOR_OBJECT_ID_LVDS,
1800 					    &hpd);
1801 		/* DVI-I - primary dac, int tmds */
1802 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1803 		hpd.hpd = RADEON_HPD_1; /* ??? */
1804 		radeon_add_legacy_encoder(dev,
1805 					  radeon_get_encoder_enum(dev,
1806 								ATOM_DEVICE_DFP1_SUPPORT,
1807 								0),
1808 					  ATOM_DEVICE_DFP1_SUPPORT);
1809 		radeon_add_legacy_encoder(dev,
1810 					  radeon_get_encoder_enum(dev,
1811 								ATOM_DEVICE_CRT1_SUPPORT,
1812 								1),
1813 					  ATOM_DEVICE_CRT1_SUPPORT);
1814 		radeon_add_legacy_connector(dev, 1,
1815 					    ATOM_DEVICE_DFP1_SUPPORT |
1816 					    ATOM_DEVICE_CRT1_SUPPORT,
1817 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1818 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1819 					    &hpd);
1820 		/* TV - TV DAC */
1821 		ddc_i2c.valid = false;
1822 		hpd.hpd = RADEON_HPD_NONE;
1823 		radeon_add_legacy_encoder(dev,
1824 					  radeon_get_encoder_enum(dev,
1825 								ATOM_DEVICE_TV1_SUPPORT,
1826 								2),
1827 					  ATOM_DEVICE_TV1_SUPPORT);
1828 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1829 					    DRM_MODE_CONNECTOR_SVIDEO,
1830 					    &ddc_i2c,
1831 					    CONNECTOR_OBJECT_ID_SVIDEO,
1832 					    &hpd);
1833 		break;
1834 	case CT_POWERBOOK_VGA:
1835 		DRM_INFO("Connector Table: %d (powerbook vga)\n",
1836 			 rdev->mode_info.connector_table);
1837 		/* LVDS */
1838 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1839 		hpd.hpd = RADEON_HPD_NONE;
1840 		radeon_add_legacy_encoder(dev,
1841 					  radeon_get_encoder_enum(dev,
1842 								ATOM_DEVICE_LCD1_SUPPORT,
1843 								0),
1844 					  ATOM_DEVICE_LCD1_SUPPORT);
1845 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1846 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1847 					    CONNECTOR_OBJECT_ID_LVDS,
1848 					    &hpd);
1849 		/* VGA - primary dac */
1850 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1851 		hpd.hpd = RADEON_HPD_NONE;
1852 		radeon_add_legacy_encoder(dev,
1853 					  radeon_get_encoder_enum(dev,
1854 								ATOM_DEVICE_CRT1_SUPPORT,
1855 								1),
1856 					  ATOM_DEVICE_CRT1_SUPPORT);
1857 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
1858 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1859 					    CONNECTOR_OBJECT_ID_VGA,
1860 					    &hpd);
1861 		/* TV - TV DAC */
1862 		ddc_i2c.valid = false;
1863 		hpd.hpd = RADEON_HPD_NONE;
1864 		radeon_add_legacy_encoder(dev,
1865 					  radeon_get_encoder_enum(dev,
1866 								ATOM_DEVICE_TV1_SUPPORT,
1867 								2),
1868 					  ATOM_DEVICE_TV1_SUPPORT);
1869 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1870 					    DRM_MODE_CONNECTOR_SVIDEO,
1871 					    &ddc_i2c,
1872 					    CONNECTOR_OBJECT_ID_SVIDEO,
1873 					    &hpd);
1874 		break;
1875 	case CT_MINI_EXTERNAL:
1876 		DRM_INFO("Connector Table: %d (mini external tmds)\n",
1877 			 rdev->mode_info.connector_table);
1878 		/* DVI-I - tv dac, ext tmds */
1879 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1880 		hpd.hpd = RADEON_HPD_2; /* ??? */
1881 		radeon_add_legacy_encoder(dev,
1882 					  radeon_get_encoder_enum(dev,
1883 								ATOM_DEVICE_DFP2_SUPPORT,
1884 								0),
1885 					  ATOM_DEVICE_DFP2_SUPPORT);
1886 		radeon_add_legacy_encoder(dev,
1887 					  radeon_get_encoder_enum(dev,
1888 								ATOM_DEVICE_CRT2_SUPPORT,
1889 								2),
1890 					  ATOM_DEVICE_CRT2_SUPPORT);
1891 		/* XXX are any DL? */
1892 		radeon_add_legacy_connector(dev, 0,
1893 					    ATOM_DEVICE_DFP2_SUPPORT |
1894 					    ATOM_DEVICE_CRT2_SUPPORT,
1895 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1896 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1897 					    &hpd);
1898 		/* TV - TV DAC */
1899 		ddc_i2c.valid = false;
1900 		hpd.hpd = RADEON_HPD_NONE;
1901 		radeon_add_legacy_encoder(dev,
1902 					  radeon_get_encoder_enum(dev,
1903 								ATOM_DEVICE_TV1_SUPPORT,
1904 								2),
1905 					  ATOM_DEVICE_TV1_SUPPORT);
1906 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1907 					    DRM_MODE_CONNECTOR_SVIDEO,
1908 					    &ddc_i2c,
1909 					    CONNECTOR_OBJECT_ID_SVIDEO,
1910 					    &hpd);
1911 		break;
1912 	case CT_MINI_INTERNAL:
1913 		DRM_INFO("Connector Table: %d (mini internal tmds)\n",
1914 			 rdev->mode_info.connector_table);
1915 		/* DVI-I - tv dac, int tmds */
1916 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1917 		hpd.hpd = RADEON_HPD_1; /* ??? */
1918 		radeon_add_legacy_encoder(dev,
1919 					  radeon_get_encoder_enum(dev,
1920 								ATOM_DEVICE_DFP1_SUPPORT,
1921 								0),
1922 					  ATOM_DEVICE_DFP1_SUPPORT);
1923 		radeon_add_legacy_encoder(dev,
1924 					  radeon_get_encoder_enum(dev,
1925 								ATOM_DEVICE_CRT2_SUPPORT,
1926 								2),
1927 					  ATOM_DEVICE_CRT2_SUPPORT);
1928 		radeon_add_legacy_connector(dev, 0,
1929 					    ATOM_DEVICE_DFP1_SUPPORT |
1930 					    ATOM_DEVICE_CRT2_SUPPORT,
1931 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1932 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1933 					    &hpd);
1934 		/* TV - TV DAC */
1935 		ddc_i2c.valid = false;
1936 		hpd.hpd = RADEON_HPD_NONE;
1937 		radeon_add_legacy_encoder(dev,
1938 					  radeon_get_encoder_enum(dev,
1939 								ATOM_DEVICE_TV1_SUPPORT,
1940 								2),
1941 					  ATOM_DEVICE_TV1_SUPPORT);
1942 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1943 					    DRM_MODE_CONNECTOR_SVIDEO,
1944 					    &ddc_i2c,
1945 					    CONNECTOR_OBJECT_ID_SVIDEO,
1946 					    &hpd);
1947 		break;
1948 	case CT_IMAC_G5_ISIGHT:
1949 		DRM_INFO("Connector Table: %d (imac g5 isight)\n",
1950 			 rdev->mode_info.connector_table);
1951 		/* DVI-D - int tmds */
1952 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1953 		hpd.hpd = RADEON_HPD_1; /* ??? */
1954 		radeon_add_legacy_encoder(dev,
1955 					  radeon_get_encoder_enum(dev,
1956 								ATOM_DEVICE_DFP1_SUPPORT,
1957 								0),
1958 					  ATOM_DEVICE_DFP1_SUPPORT);
1959 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
1960 					    DRM_MODE_CONNECTOR_DVID, &ddc_i2c,
1961 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
1962 					    &hpd);
1963 		/* VGA - tv dac */
1964 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1965 		hpd.hpd = RADEON_HPD_NONE;
1966 		radeon_add_legacy_encoder(dev,
1967 					  radeon_get_encoder_enum(dev,
1968 								ATOM_DEVICE_CRT2_SUPPORT,
1969 								2),
1970 					  ATOM_DEVICE_CRT2_SUPPORT);
1971 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1972 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1973 					    CONNECTOR_OBJECT_ID_VGA,
1974 					    &hpd);
1975 		/* TV - TV DAC */
1976 		ddc_i2c.valid = false;
1977 		hpd.hpd = RADEON_HPD_NONE;
1978 		radeon_add_legacy_encoder(dev,
1979 					  radeon_get_encoder_enum(dev,
1980 								ATOM_DEVICE_TV1_SUPPORT,
1981 								2),
1982 					  ATOM_DEVICE_TV1_SUPPORT);
1983 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1984 					    DRM_MODE_CONNECTOR_SVIDEO,
1985 					    &ddc_i2c,
1986 					    CONNECTOR_OBJECT_ID_SVIDEO,
1987 					    &hpd);
1988 		break;
1989 	case CT_EMAC:
1990 		DRM_INFO("Connector Table: %d (emac)\n",
1991 			 rdev->mode_info.connector_table);
1992 		/* VGA - primary dac */
1993 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1994 		hpd.hpd = RADEON_HPD_NONE;
1995 		radeon_add_legacy_encoder(dev,
1996 					  radeon_get_encoder_enum(dev,
1997 								ATOM_DEVICE_CRT1_SUPPORT,
1998 								1),
1999 					  ATOM_DEVICE_CRT1_SUPPORT);
2000 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
2001 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2002 					    CONNECTOR_OBJECT_ID_VGA,
2003 					    &hpd);
2004 		/* VGA - tv dac */
2005 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
2006 		hpd.hpd = RADEON_HPD_NONE;
2007 		radeon_add_legacy_encoder(dev,
2008 					  radeon_get_encoder_enum(dev,
2009 								ATOM_DEVICE_CRT2_SUPPORT,
2010 								2),
2011 					  ATOM_DEVICE_CRT2_SUPPORT);
2012 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
2013 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2014 					    CONNECTOR_OBJECT_ID_VGA,
2015 					    &hpd);
2016 		/* TV - TV DAC */
2017 		ddc_i2c.valid = false;
2018 		hpd.hpd = RADEON_HPD_NONE;
2019 		radeon_add_legacy_encoder(dev,
2020 					  radeon_get_encoder_enum(dev,
2021 								ATOM_DEVICE_TV1_SUPPORT,
2022 								2),
2023 					  ATOM_DEVICE_TV1_SUPPORT);
2024 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2025 					    DRM_MODE_CONNECTOR_SVIDEO,
2026 					    &ddc_i2c,
2027 					    CONNECTOR_OBJECT_ID_SVIDEO,
2028 					    &hpd);
2029 		break;
2030 	case CT_RN50_POWER:
2031 		DRM_INFO("Connector Table: %d (rn50-power)\n",
2032 			 rdev->mode_info.connector_table);
2033 		/* VGA - primary dac */
2034 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2035 		hpd.hpd = RADEON_HPD_NONE;
2036 		radeon_add_legacy_encoder(dev,
2037 					  radeon_get_encoder_enum(dev,
2038 								ATOM_DEVICE_CRT1_SUPPORT,
2039 								1),
2040 					  ATOM_DEVICE_CRT1_SUPPORT);
2041 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
2042 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2043 					    CONNECTOR_OBJECT_ID_VGA,
2044 					    &hpd);
2045 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
2046 		hpd.hpd = RADEON_HPD_NONE;
2047 		radeon_add_legacy_encoder(dev,
2048 					  radeon_get_encoder_enum(dev,
2049 								ATOM_DEVICE_CRT2_SUPPORT,
2050 								2),
2051 					  ATOM_DEVICE_CRT2_SUPPORT);
2052 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
2053 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2054 					    CONNECTOR_OBJECT_ID_VGA,
2055 					    &hpd);
2056 		break;
2057 	case CT_MAC_X800:
2058 		DRM_INFO("Connector Table: %d (mac x800)\n",
2059 			 rdev->mode_info.connector_table);
2060 		/* DVI - primary dac, internal tmds */
2061 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2062 		hpd.hpd = RADEON_HPD_1; /* ??? */
2063 		radeon_add_legacy_encoder(dev,
2064 					  radeon_get_encoder_enum(dev,
2065 								  ATOM_DEVICE_DFP1_SUPPORT,
2066 								  0),
2067 					  ATOM_DEVICE_DFP1_SUPPORT);
2068 		radeon_add_legacy_encoder(dev,
2069 					  radeon_get_encoder_enum(dev,
2070 								  ATOM_DEVICE_CRT1_SUPPORT,
2071 								  1),
2072 					  ATOM_DEVICE_CRT1_SUPPORT);
2073 		radeon_add_legacy_connector(dev, 0,
2074 					    ATOM_DEVICE_DFP1_SUPPORT |
2075 					    ATOM_DEVICE_CRT1_SUPPORT,
2076 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2077 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2078 					    &hpd);
2079 		/* DVI - tv dac, dvo */
2080 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2081 		hpd.hpd = RADEON_HPD_2; /* ??? */
2082 		radeon_add_legacy_encoder(dev,
2083 					  radeon_get_encoder_enum(dev,
2084 								  ATOM_DEVICE_DFP2_SUPPORT,
2085 								  0),
2086 					  ATOM_DEVICE_DFP2_SUPPORT);
2087 		radeon_add_legacy_encoder(dev,
2088 					  radeon_get_encoder_enum(dev,
2089 								  ATOM_DEVICE_CRT2_SUPPORT,
2090 								  2),
2091 					  ATOM_DEVICE_CRT2_SUPPORT);
2092 		radeon_add_legacy_connector(dev, 1,
2093 					    ATOM_DEVICE_DFP2_SUPPORT |
2094 					    ATOM_DEVICE_CRT2_SUPPORT,
2095 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2096 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
2097 					    &hpd);
2098 		break;
2099 	case CT_MAC_G5_9600:
2100 		DRM_INFO("Connector Table: %d (mac g5 9600)\n",
2101 			 rdev->mode_info.connector_table);
2102 		/* DVI - tv dac, dvo */
2103 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2104 		hpd.hpd = RADEON_HPD_1; /* ??? */
2105 		radeon_add_legacy_encoder(dev,
2106 					  radeon_get_encoder_enum(dev,
2107 								  ATOM_DEVICE_DFP2_SUPPORT,
2108 								  0),
2109 					  ATOM_DEVICE_DFP2_SUPPORT);
2110 		radeon_add_legacy_encoder(dev,
2111 					  radeon_get_encoder_enum(dev,
2112 								  ATOM_DEVICE_CRT2_SUPPORT,
2113 								  2),
2114 					  ATOM_DEVICE_CRT2_SUPPORT);
2115 		radeon_add_legacy_connector(dev, 0,
2116 					    ATOM_DEVICE_DFP2_SUPPORT |
2117 					    ATOM_DEVICE_CRT2_SUPPORT,
2118 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2119 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2120 					    &hpd);
2121 		/* ADC - primary dac, internal tmds */
2122 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2123 		hpd.hpd = RADEON_HPD_2; /* ??? */
2124 		radeon_add_legacy_encoder(dev,
2125 					  radeon_get_encoder_enum(dev,
2126 								  ATOM_DEVICE_DFP1_SUPPORT,
2127 								  0),
2128 					  ATOM_DEVICE_DFP1_SUPPORT);
2129 		radeon_add_legacy_encoder(dev,
2130 					  radeon_get_encoder_enum(dev,
2131 								  ATOM_DEVICE_CRT1_SUPPORT,
2132 								  1),
2133 					  ATOM_DEVICE_CRT1_SUPPORT);
2134 		radeon_add_legacy_connector(dev, 1,
2135 					    ATOM_DEVICE_DFP1_SUPPORT |
2136 					    ATOM_DEVICE_CRT1_SUPPORT,
2137 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2138 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2139 					    &hpd);
2140 		/* TV - TV DAC */
2141 		ddc_i2c.valid = false;
2142 		hpd.hpd = RADEON_HPD_NONE;
2143 		radeon_add_legacy_encoder(dev,
2144 					  radeon_get_encoder_enum(dev,
2145 								ATOM_DEVICE_TV1_SUPPORT,
2146 								2),
2147 					  ATOM_DEVICE_TV1_SUPPORT);
2148 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2149 					    DRM_MODE_CONNECTOR_SVIDEO,
2150 					    &ddc_i2c,
2151 					    CONNECTOR_OBJECT_ID_SVIDEO,
2152 					    &hpd);
2153 		break;
2154 	case CT_SAM440EP:
2155 		DRM_INFO("Connector Table: %d (SAM440ep embedded board)\n",
2156 			 rdev->mode_info.connector_table);
2157 		/* LVDS */
2158 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
2159 		hpd.hpd = RADEON_HPD_NONE;
2160 		radeon_add_legacy_encoder(dev,
2161 					  radeon_get_encoder_enum(dev,
2162 								ATOM_DEVICE_LCD1_SUPPORT,
2163 								0),
2164 					  ATOM_DEVICE_LCD1_SUPPORT);
2165 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
2166 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
2167 					    CONNECTOR_OBJECT_ID_LVDS,
2168 					    &hpd);
2169 		/* DVI-I - secondary dac, int tmds */
2170 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2171 		hpd.hpd = RADEON_HPD_1; /* ??? */
2172 		radeon_add_legacy_encoder(dev,
2173 					  radeon_get_encoder_enum(dev,
2174 								ATOM_DEVICE_DFP1_SUPPORT,
2175 								0),
2176 					  ATOM_DEVICE_DFP1_SUPPORT);
2177 		radeon_add_legacy_encoder(dev,
2178 					  radeon_get_encoder_enum(dev,
2179 								ATOM_DEVICE_CRT2_SUPPORT,
2180 								2),
2181 					  ATOM_DEVICE_CRT2_SUPPORT);
2182 		radeon_add_legacy_connector(dev, 1,
2183 					    ATOM_DEVICE_DFP1_SUPPORT |
2184 					    ATOM_DEVICE_CRT2_SUPPORT,
2185 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2186 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2187 					    &hpd);
2188 		/* VGA - primary dac */
2189 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2190 		hpd.hpd = RADEON_HPD_NONE;
2191 		radeon_add_legacy_encoder(dev,
2192 					  radeon_get_encoder_enum(dev,
2193 								ATOM_DEVICE_CRT1_SUPPORT,
2194 								1),
2195 					  ATOM_DEVICE_CRT1_SUPPORT);
2196 		radeon_add_legacy_connector(dev, 2,
2197 					    ATOM_DEVICE_CRT1_SUPPORT,
2198 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2199 					    CONNECTOR_OBJECT_ID_VGA,
2200 					    &hpd);
2201 		/* TV - TV DAC */
2202 		ddc_i2c.valid = false;
2203 		hpd.hpd = RADEON_HPD_NONE;
2204 		radeon_add_legacy_encoder(dev,
2205 					  radeon_get_encoder_enum(dev,
2206 								ATOM_DEVICE_TV1_SUPPORT,
2207 								2),
2208 					  ATOM_DEVICE_TV1_SUPPORT);
2209 		radeon_add_legacy_connector(dev, 3, ATOM_DEVICE_TV1_SUPPORT,
2210 					    DRM_MODE_CONNECTOR_SVIDEO,
2211 					    &ddc_i2c,
2212 					    CONNECTOR_OBJECT_ID_SVIDEO,
2213 					    &hpd);
2214 		break;
2215 	default:
2216 		DRM_INFO("Connector table: %d (invalid)\n",
2217 			 rdev->mode_info.connector_table);
2218 		return false;
2219 	}
2220 
2221 	radeon_link_encoder_connector(dev);
2222 
2223 	return true;
2224 }
2225 
2226 static bool radeon_apply_legacy_quirks(struct drm_device *dev,
2227 				       int bios_index,
2228 				       enum radeon_combios_connector
2229 				       *legacy_connector,
2230 				       struct radeon_i2c_bus_rec *ddc_i2c,
2231 				       struct radeon_hpd *hpd)
2232 {
2233 
2234 	/* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
2235 	   one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
2236 	if (dev->pdev->device == 0x515e &&
2237 	    dev->pdev->subsystem_vendor == 0x1014) {
2238 		if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
2239 		    ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
2240 			return false;
2241 	}
2242 
2243 	/* X300 card with extra non-existent DVI port */
2244 	if (dev->pdev->device == 0x5B60 &&
2245 	    dev->pdev->subsystem_vendor == 0x17af &&
2246 	    dev->pdev->subsystem_device == 0x201e && bios_index == 2) {
2247 		if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
2248 			return false;
2249 	}
2250 
2251 	return true;
2252 }
2253 
2254 static bool radeon_apply_legacy_tv_quirks(struct drm_device *dev)
2255 {
2256 	/* Acer 5102 has non-existent TV port */
2257 	if (dev->pdev->device == 0x5975 &&
2258 	    dev->pdev->subsystem_vendor == 0x1025 &&
2259 	    dev->pdev->subsystem_device == 0x009f)
2260 		return false;
2261 
2262 	/* HP dc5750 has non-existent TV port */
2263 	if (dev->pdev->device == 0x5974 &&
2264 	    dev->pdev->subsystem_vendor == 0x103c &&
2265 	    dev->pdev->subsystem_device == 0x280a)
2266 		return false;
2267 
2268 	/* MSI S270 has non-existent TV port */
2269 	if (dev->pdev->device == 0x5955 &&
2270 	    dev->pdev->subsystem_vendor == 0x1462 &&
2271 	    dev->pdev->subsystem_device == 0x0131)
2272 		return false;
2273 
2274 	return true;
2275 }
2276 
2277 static uint16_t combios_check_dl_dvi(struct drm_device *dev, int is_dvi_d)
2278 {
2279 	struct radeon_device *rdev = dev->dev_private;
2280 	uint32_t ext_tmds_info;
2281 
2282 	if (rdev->flags & RADEON_IS_IGP) {
2283 		if (is_dvi_d)
2284 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2285 		else
2286 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2287 	}
2288 	ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2289 	if (ext_tmds_info) {
2290 		uint8_t rev = RBIOS8(ext_tmds_info);
2291 		uint8_t flags = RBIOS8(ext_tmds_info + 4 + 5);
2292 		if (rev >= 3) {
2293 			if (is_dvi_d)
2294 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2295 			else
2296 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2297 		} else {
2298 			if (flags & 1) {
2299 				if (is_dvi_d)
2300 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2301 				else
2302 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2303 			}
2304 		}
2305 	}
2306 	if (is_dvi_d)
2307 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2308 	else
2309 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2310 }
2311 
2312 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
2313 {
2314 	struct radeon_device *rdev = dev->dev_private;
2315 	uint32_t conn_info, entry, devices;
2316 	uint16_t tmp, connector_object_id;
2317 	enum radeon_combios_ddc ddc_type;
2318 	enum radeon_combios_connector connector;
2319 	int i = 0;
2320 	struct radeon_i2c_bus_rec ddc_i2c;
2321 	struct radeon_hpd hpd;
2322 
2323 	conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
2324 	if (conn_info) {
2325 		for (i = 0; i < 4; i++) {
2326 			entry = conn_info + 2 + i * 2;
2327 
2328 			if (!RBIOS16(entry))
2329 				break;
2330 
2331 			tmp = RBIOS16(entry);
2332 
2333 			connector = (tmp >> 12) & 0xf;
2334 
2335 			ddc_type = (tmp >> 8) & 0xf;
2336 			if (ddc_type == 5)
2337 				ddc_i2c = radeon_combios_get_i2c_info_from_table(rdev);
2338 			else
2339 				ddc_i2c = combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2340 
2341 			switch (connector) {
2342 			case CONNECTOR_PROPRIETARY_LEGACY:
2343 			case CONNECTOR_DVI_I_LEGACY:
2344 			case CONNECTOR_DVI_D_LEGACY:
2345 				if ((tmp >> 4) & 0x1)
2346 					hpd.hpd = RADEON_HPD_2;
2347 				else
2348 					hpd.hpd = RADEON_HPD_1;
2349 				break;
2350 			default:
2351 				hpd.hpd = RADEON_HPD_NONE;
2352 				break;
2353 			}
2354 
2355 			if (!radeon_apply_legacy_quirks(dev, i, &connector,
2356 							&ddc_i2c, &hpd))
2357 				continue;
2358 
2359 			switch (connector) {
2360 			case CONNECTOR_PROPRIETARY_LEGACY:
2361 				if ((tmp >> 4) & 0x1)
2362 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2363 				else
2364 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2365 				radeon_add_legacy_encoder(dev,
2366 							  radeon_get_encoder_enum
2367 							  (dev, devices, 0),
2368 							  devices);
2369 				radeon_add_legacy_connector(dev, i, devices,
2370 							    legacy_connector_convert
2371 							    [connector],
2372 							    &ddc_i2c,
2373 							    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
2374 							    &hpd);
2375 				break;
2376 			case CONNECTOR_CRT_LEGACY:
2377 				if (tmp & 0x1) {
2378 					devices = ATOM_DEVICE_CRT2_SUPPORT;
2379 					radeon_add_legacy_encoder(dev,
2380 								  radeon_get_encoder_enum
2381 								  (dev,
2382 								   ATOM_DEVICE_CRT2_SUPPORT,
2383 								   2),
2384 								  ATOM_DEVICE_CRT2_SUPPORT);
2385 				} else {
2386 					devices = ATOM_DEVICE_CRT1_SUPPORT;
2387 					radeon_add_legacy_encoder(dev,
2388 								  radeon_get_encoder_enum
2389 								  (dev,
2390 								   ATOM_DEVICE_CRT1_SUPPORT,
2391 								   1),
2392 								  ATOM_DEVICE_CRT1_SUPPORT);
2393 				}
2394 				radeon_add_legacy_connector(dev,
2395 							    i,
2396 							    devices,
2397 							    legacy_connector_convert
2398 							    [connector],
2399 							    &ddc_i2c,
2400 							    CONNECTOR_OBJECT_ID_VGA,
2401 							    &hpd);
2402 				break;
2403 			case CONNECTOR_DVI_I_LEGACY:
2404 				devices = 0;
2405 				if (tmp & 0x1) {
2406 					devices |= ATOM_DEVICE_CRT2_SUPPORT;
2407 					radeon_add_legacy_encoder(dev,
2408 								  radeon_get_encoder_enum
2409 								  (dev,
2410 								   ATOM_DEVICE_CRT2_SUPPORT,
2411 								   2),
2412 								  ATOM_DEVICE_CRT2_SUPPORT);
2413 				} else {
2414 					devices |= ATOM_DEVICE_CRT1_SUPPORT;
2415 					radeon_add_legacy_encoder(dev,
2416 								  radeon_get_encoder_enum
2417 								  (dev,
2418 								   ATOM_DEVICE_CRT1_SUPPORT,
2419 								   1),
2420 								  ATOM_DEVICE_CRT1_SUPPORT);
2421 				}
2422 				if ((tmp >> 4) & 0x1) {
2423 					devices |= ATOM_DEVICE_DFP2_SUPPORT;
2424 					radeon_add_legacy_encoder(dev,
2425 								  radeon_get_encoder_enum
2426 								  (dev,
2427 								   ATOM_DEVICE_DFP2_SUPPORT,
2428 								   0),
2429 								  ATOM_DEVICE_DFP2_SUPPORT);
2430 					connector_object_id = combios_check_dl_dvi(dev, 0);
2431 				} else {
2432 					devices |= ATOM_DEVICE_DFP1_SUPPORT;
2433 					radeon_add_legacy_encoder(dev,
2434 								  radeon_get_encoder_enum
2435 								  (dev,
2436 								   ATOM_DEVICE_DFP1_SUPPORT,
2437 								   0),
2438 								  ATOM_DEVICE_DFP1_SUPPORT);
2439 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2440 				}
2441 				radeon_add_legacy_connector(dev,
2442 							    i,
2443 							    devices,
2444 							    legacy_connector_convert
2445 							    [connector],
2446 							    &ddc_i2c,
2447 							    connector_object_id,
2448 							    &hpd);
2449 				break;
2450 			case CONNECTOR_DVI_D_LEGACY:
2451 				if ((tmp >> 4) & 0x1) {
2452 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2453 					connector_object_id = combios_check_dl_dvi(dev, 1);
2454 				} else {
2455 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2456 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2457 				}
2458 				radeon_add_legacy_encoder(dev,
2459 							  radeon_get_encoder_enum
2460 							  (dev, devices, 0),
2461 							  devices);
2462 				radeon_add_legacy_connector(dev, i, devices,
2463 							    legacy_connector_convert
2464 							    [connector],
2465 							    &ddc_i2c,
2466 							    connector_object_id,
2467 							    &hpd);
2468 				break;
2469 			case CONNECTOR_CTV_LEGACY:
2470 			case CONNECTOR_STV_LEGACY:
2471 				radeon_add_legacy_encoder(dev,
2472 							  radeon_get_encoder_enum
2473 							  (dev,
2474 							   ATOM_DEVICE_TV1_SUPPORT,
2475 							   2),
2476 							  ATOM_DEVICE_TV1_SUPPORT);
2477 				radeon_add_legacy_connector(dev, i,
2478 							    ATOM_DEVICE_TV1_SUPPORT,
2479 							    legacy_connector_convert
2480 							    [connector],
2481 							    &ddc_i2c,
2482 							    CONNECTOR_OBJECT_ID_SVIDEO,
2483 							    &hpd);
2484 				break;
2485 			default:
2486 				DRM_ERROR("Unknown connector type: %d\n",
2487 					  connector);
2488 				continue;
2489 			}
2490 
2491 		}
2492 	} else {
2493 		uint16_t tmds_info =
2494 		    combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
2495 		if (tmds_info) {
2496 			DRM_DEBUG_KMS("Found DFP table, assuming DVI connector\n");
2497 
2498 			radeon_add_legacy_encoder(dev,
2499 						  radeon_get_encoder_enum(dev,
2500 									ATOM_DEVICE_CRT1_SUPPORT,
2501 									1),
2502 						  ATOM_DEVICE_CRT1_SUPPORT);
2503 			radeon_add_legacy_encoder(dev,
2504 						  radeon_get_encoder_enum(dev,
2505 									ATOM_DEVICE_DFP1_SUPPORT,
2506 									0),
2507 						  ATOM_DEVICE_DFP1_SUPPORT);
2508 
2509 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2510 			hpd.hpd = RADEON_HPD_1;
2511 			radeon_add_legacy_connector(dev,
2512 						    0,
2513 						    ATOM_DEVICE_CRT1_SUPPORT |
2514 						    ATOM_DEVICE_DFP1_SUPPORT,
2515 						    DRM_MODE_CONNECTOR_DVII,
2516 						    &ddc_i2c,
2517 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2518 						    &hpd);
2519 		} else {
2520 			uint16_t crt_info =
2521 				combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
2522 			DRM_DEBUG_KMS("Found CRT table, assuming VGA connector\n");
2523 			if (crt_info) {
2524 				radeon_add_legacy_encoder(dev,
2525 							  radeon_get_encoder_enum(dev,
2526 										ATOM_DEVICE_CRT1_SUPPORT,
2527 										1),
2528 							  ATOM_DEVICE_CRT1_SUPPORT);
2529 				ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2530 				hpd.hpd = RADEON_HPD_NONE;
2531 				radeon_add_legacy_connector(dev,
2532 							    0,
2533 							    ATOM_DEVICE_CRT1_SUPPORT,
2534 							    DRM_MODE_CONNECTOR_VGA,
2535 							    &ddc_i2c,
2536 							    CONNECTOR_OBJECT_ID_VGA,
2537 							    &hpd);
2538 			} else {
2539 				DRM_DEBUG_KMS("No connector info found\n");
2540 				return false;
2541 			}
2542 		}
2543 	}
2544 
2545 	if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
2546 		uint16_t lcd_info =
2547 		    combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
2548 		if (lcd_info) {
2549 			uint16_t lcd_ddc_info =
2550 			    combios_get_table_offset(dev,
2551 						     COMBIOS_LCD_DDC_INFO_TABLE);
2552 
2553 			radeon_add_legacy_encoder(dev,
2554 						  radeon_get_encoder_enum(dev,
2555 									ATOM_DEVICE_LCD1_SUPPORT,
2556 									0),
2557 						  ATOM_DEVICE_LCD1_SUPPORT);
2558 
2559 			if (lcd_ddc_info) {
2560 				ddc_type = RBIOS8(lcd_ddc_info + 2);
2561 				switch (ddc_type) {
2562 				case DDC_LCD:
2563 					ddc_i2c =
2564 						combios_setup_i2c_bus(rdev,
2565 								      DDC_LCD,
2566 								      RBIOS32(lcd_ddc_info + 3),
2567 								      RBIOS32(lcd_ddc_info + 7));
2568 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2569 					break;
2570 				case DDC_GPIO:
2571 					ddc_i2c =
2572 						combios_setup_i2c_bus(rdev,
2573 								      DDC_GPIO,
2574 								      RBIOS32(lcd_ddc_info + 3),
2575 								      RBIOS32(lcd_ddc_info + 7));
2576 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2577 					break;
2578 				default:
2579 					ddc_i2c =
2580 						combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2581 					break;
2582 				}
2583 				DRM_DEBUG_KMS("LCD DDC Info Table found!\n");
2584 			} else
2585 				ddc_i2c.valid = false;
2586 
2587 			hpd.hpd = RADEON_HPD_NONE;
2588 			radeon_add_legacy_connector(dev,
2589 						    5,
2590 						    ATOM_DEVICE_LCD1_SUPPORT,
2591 						    DRM_MODE_CONNECTOR_LVDS,
2592 						    &ddc_i2c,
2593 						    CONNECTOR_OBJECT_ID_LVDS,
2594 						    &hpd);
2595 		}
2596 	}
2597 
2598 	/* check TV table */
2599 	if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
2600 		uint32_t tv_info =
2601 		    combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
2602 		if (tv_info) {
2603 			if (RBIOS8(tv_info + 6) == 'T') {
2604 				if (radeon_apply_legacy_tv_quirks(dev)) {
2605 					hpd.hpd = RADEON_HPD_NONE;
2606 					ddc_i2c.valid = false;
2607 					radeon_add_legacy_encoder(dev,
2608 								  radeon_get_encoder_enum
2609 								  (dev,
2610 								   ATOM_DEVICE_TV1_SUPPORT,
2611 								   2),
2612 								  ATOM_DEVICE_TV1_SUPPORT);
2613 					radeon_add_legacy_connector(dev, 6,
2614 								    ATOM_DEVICE_TV1_SUPPORT,
2615 								    DRM_MODE_CONNECTOR_SVIDEO,
2616 								    &ddc_i2c,
2617 								    CONNECTOR_OBJECT_ID_SVIDEO,
2618 								    &hpd);
2619 				}
2620 			}
2621 		}
2622 	}
2623 
2624 	radeon_link_encoder_connector(dev);
2625 
2626 	return true;
2627 }
2628 
2629 static const char *thermal_controller_names[] = {
2630 	"NONE",
2631 	"lm63",
2632 	"adm1032",
2633 };
2634 
2635 void radeon_combios_get_power_modes(struct radeon_device *rdev)
2636 {
2637 	struct drm_device *dev = rdev->ddev;
2638 	u16 offset, misc, misc2 = 0;
2639 	u8 rev, blocks, tmp;
2640 	int state_index = 0;
2641 	struct radeon_i2c_bus_rec i2c_bus;
2642 
2643 	rdev->pm.default_power_state_index = -1;
2644 
2645 	/* allocate 2 power states */
2646 	rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) * 2, GFP_KERNEL);
2647 	if (rdev->pm.power_state) {
2648 		/* allocate 1 clock mode per state */
2649 		rdev->pm.power_state[0].clock_info =
2650 			kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
2651 		rdev->pm.power_state[1].clock_info =
2652 			kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
2653 		if (!rdev->pm.power_state[0].clock_info ||
2654 		    !rdev->pm.power_state[1].clock_info)
2655 			goto pm_failed;
2656 	} else
2657 		goto pm_failed;
2658 
2659 	/* check for a thermal chip */
2660 	offset = combios_get_table_offset(dev, COMBIOS_OVERDRIVE_INFO_TABLE);
2661 	if (offset) {
2662 		u8 thermal_controller = 0, gpio = 0, i2c_addr = 0, clk_bit = 0, data_bit = 0;
2663 
2664 		rev = RBIOS8(offset);
2665 
2666 		if (rev == 0) {
2667 			thermal_controller = RBIOS8(offset + 3);
2668 			gpio = RBIOS8(offset + 4) & 0x3f;
2669 			i2c_addr = RBIOS8(offset + 5);
2670 		} else if (rev == 1) {
2671 			thermal_controller = RBIOS8(offset + 4);
2672 			gpio = RBIOS8(offset + 5) & 0x3f;
2673 			i2c_addr = RBIOS8(offset + 6);
2674 		} else if (rev == 2) {
2675 			thermal_controller = RBIOS8(offset + 4);
2676 			gpio = RBIOS8(offset + 5) & 0x3f;
2677 			i2c_addr = RBIOS8(offset + 6);
2678 			clk_bit = RBIOS8(offset + 0xa);
2679 			data_bit = RBIOS8(offset + 0xb);
2680 		}
2681 		if ((thermal_controller > 0) && (thermal_controller < 3)) {
2682 			DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2683 				 thermal_controller_names[thermal_controller],
2684 				 i2c_addr >> 1);
2685 			if (gpio == DDC_LCD) {
2686 				/* MM i2c */
2687 				i2c_bus.valid = true;
2688 				i2c_bus.hw_capable = true;
2689 				i2c_bus.mm_i2c = true;
2690 				i2c_bus.i2c_id = 0xa0;
2691 			} else if (gpio == DDC_GPIO)
2692 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 1 << clk_bit, 1 << data_bit);
2693 			else
2694 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
2695 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2696 			if (rdev->pm.i2c_bus) {
2697 				struct i2c_board_info info = { };
2698 				const char *name = thermal_controller_names[thermal_controller];
2699 				info.addr = i2c_addr >> 1;
2700 				strlcpy(info.type, name, sizeof(info.type));
2701 				i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
2702 			}
2703 		}
2704 	} else {
2705 		/* boards with a thermal chip, but no overdrive table */
2706 
2707 		/* Asus 9600xt has an f75375 on the monid bus */
2708 		if ((dev->pdev->device == 0x4152) &&
2709 		    (dev->pdev->subsystem_vendor == 0x1043) &&
2710 		    (dev->pdev->subsystem_device == 0xc002)) {
2711 			i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2712 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2713 			if (rdev->pm.i2c_bus) {
2714 				struct i2c_board_info info = { };
2715 				const char *name = "f75375";
2716 				info.addr = 0x28;
2717 				strlcpy(info.type, name, sizeof(info.type));
2718 				i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
2719 				DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2720 					 name, info.addr);
2721 			}
2722 		}
2723 	}
2724 
2725 	if (rdev->flags & RADEON_IS_MOBILITY) {
2726 		offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
2727 		if (offset) {
2728 			rev = RBIOS8(offset);
2729 			blocks = RBIOS8(offset + 0x2);
2730 			/* power mode 0 tends to be the only valid one */
2731 			rdev->pm.power_state[state_index].num_clock_modes = 1;
2732 			rdev->pm.power_state[state_index].clock_info[0].mclk = RBIOS32(offset + 0x5 + 0x2);
2733 			rdev->pm.power_state[state_index].clock_info[0].sclk = RBIOS32(offset + 0x5 + 0x6);
2734 			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2735 			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2736 				goto default_mode;
2737 			rdev->pm.power_state[state_index].type =
2738 				POWER_STATE_TYPE_BATTERY;
2739 			misc = RBIOS16(offset + 0x5 + 0x0);
2740 			if (rev > 4)
2741 				misc2 = RBIOS16(offset + 0x5 + 0xe);
2742 			rdev->pm.power_state[state_index].misc = misc;
2743 			rdev->pm.power_state[state_index].misc2 = misc2;
2744 			if (misc & 0x4) {
2745 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
2746 				if (misc & 0x8)
2747 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2748 						true;
2749 				else
2750 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2751 						false;
2752 				rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = true;
2753 				if (rev < 6) {
2754 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2755 						RBIOS16(offset + 0x5 + 0xb) * 4;
2756 					tmp = RBIOS8(offset + 0x5 + 0xd);
2757 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2758 				} else {
2759 					u8 entries = RBIOS8(offset + 0x5 + 0xb);
2760 					u16 voltage_table_offset = RBIOS16(offset + 0x5 + 0xc);
2761 					if (entries && voltage_table_offset) {
2762 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2763 							RBIOS16(voltage_table_offset) * 4;
2764 						tmp = RBIOS8(voltage_table_offset + 0x2);
2765 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2766 					} else
2767 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = false;
2768 				}
2769 				switch ((misc2 & 0x700) >> 8) {
2770 				case 0:
2771 				default:
2772 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 0;
2773 					break;
2774 				case 1:
2775 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 33;
2776 					break;
2777 				case 2:
2778 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 66;
2779 					break;
2780 				case 3:
2781 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 99;
2782 					break;
2783 				case 4:
2784 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 132;
2785 					break;
2786 				}
2787 			} else
2788 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2789 			if (rev > 6)
2790 				rdev->pm.power_state[state_index].pcie_lanes =
2791 					RBIOS8(offset + 0x5 + 0x10);
2792 			rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2793 			state_index++;
2794 		} else {
2795 			/* XXX figure out some good default low power mode for mobility cards w/out power tables */
2796 		}
2797 	} else {
2798 		/* XXX figure out some good default low power mode for desktop cards */
2799 	}
2800 
2801 default_mode:
2802 	/* add the default mode */
2803 	rdev->pm.power_state[state_index].type =
2804 		POWER_STATE_TYPE_DEFAULT;
2805 	rdev->pm.power_state[state_index].num_clock_modes = 1;
2806 	rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
2807 	rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
2808 	rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
2809 	if ((state_index > 0) &&
2810 	    (rdev->pm.power_state[0].clock_info[0].voltage.type == VOLTAGE_GPIO))
2811 		rdev->pm.power_state[state_index].clock_info[0].voltage =
2812 			rdev->pm.power_state[0].clock_info[0].voltage;
2813 	else
2814 		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2815 	rdev->pm.power_state[state_index].pcie_lanes = 16;
2816 	rdev->pm.power_state[state_index].flags = 0;
2817 	rdev->pm.default_power_state_index = state_index;
2818 	rdev->pm.num_power_states = state_index + 1;
2819 
2820 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2821 	rdev->pm.current_clock_mode_index = 0;
2822 	return;
2823 
2824 pm_failed:
2825 	rdev->pm.default_power_state_index = state_index;
2826 	rdev->pm.num_power_states = 0;
2827 
2828 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2829 	rdev->pm.current_clock_mode_index = 0;
2830 }
2831 
2832 void radeon_external_tmds_setup(struct drm_encoder *encoder)
2833 {
2834 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2835 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2836 
2837 	if (!tmds)
2838 		return;
2839 
2840 	switch (tmds->dvo_chip) {
2841 	case DVO_SIL164:
2842 		/* sil 164 */
2843 		radeon_i2c_put_byte(tmds->i2c_bus,
2844 				    tmds->slave_addr,
2845 				    0x08, 0x30);
2846 		radeon_i2c_put_byte(tmds->i2c_bus,
2847 				       tmds->slave_addr,
2848 				       0x09, 0x00);
2849 		radeon_i2c_put_byte(tmds->i2c_bus,
2850 				    tmds->slave_addr,
2851 				    0x0a, 0x90);
2852 		radeon_i2c_put_byte(tmds->i2c_bus,
2853 				    tmds->slave_addr,
2854 				    0x0c, 0x89);
2855 		radeon_i2c_put_byte(tmds->i2c_bus,
2856 				       tmds->slave_addr,
2857 				       0x08, 0x3b);
2858 		break;
2859 	case DVO_SIL1178:
2860 		/* sil 1178 - untested */
2861 		/*
2862 		 * 0x0f, 0x44
2863 		 * 0x0f, 0x4c
2864 		 * 0x0e, 0x01
2865 		 * 0x0a, 0x80
2866 		 * 0x09, 0x30
2867 		 * 0x0c, 0xc9
2868 		 * 0x0d, 0x70
2869 		 * 0x08, 0x32
2870 		 * 0x08, 0x33
2871 		 */
2872 		break;
2873 	default:
2874 		break;
2875 	}
2876 
2877 }
2878 
2879 bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
2880 {
2881 	struct drm_device *dev = encoder->dev;
2882 	struct radeon_device *rdev = dev->dev_private;
2883 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2884 	uint16_t offset;
2885 	uint8_t blocks, slave_addr, rev;
2886 	uint32_t index, id;
2887 	uint32_t reg, val, and_mask, or_mask;
2888 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2889 
2890 	if (!tmds)
2891 		return false;
2892 
2893 	if (rdev->flags & RADEON_IS_IGP) {
2894 		offset = combios_get_table_offset(dev, COMBIOS_TMDS_POWER_ON_TABLE);
2895 		rev = RBIOS8(offset);
2896 		if (offset) {
2897 			rev = RBIOS8(offset);
2898 			if (rev > 1) {
2899 				blocks = RBIOS8(offset + 3);
2900 				index = offset + 4;
2901 				while (blocks > 0) {
2902 					id = RBIOS16(index);
2903 					index += 2;
2904 					switch (id >> 13) {
2905 					case 0:
2906 						reg = (id & 0x1fff) * 4;
2907 						val = RBIOS32(index);
2908 						index += 4;
2909 						WREG32(reg, val);
2910 						break;
2911 					case 2:
2912 						reg = (id & 0x1fff) * 4;
2913 						and_mask = RBIOS32(index);
2914 						index += 4;
2915 						or_mask = RBIOS32(index);
2916 						index += 4;
2917 						val = RREG32(reg);
2918 						val = (val & and_mask) | or_mask;
2919 						WREG32(reg, val);
2920 						break;
2921 					case 3:
2922 						val = RBIOS16(index);
2923 						index += 2;
2924 						udelay(val);
2925 						break;
2926 					case 4:
2927 						val = RBIOS16(index);
2928 						index += 2;
2929 						mdelay(val);
2930 						break;
2931 					case 6:
2932 						slave_addr = id & 0xff;
2933 						slave_addr >>= 1; /* 7 bit addressing */
2934 						index++;
2935 						reg = RBIOS8(index);
2936 						index++;
2937 						val = RBIOS8(index);
2938 						index++;
2939 						radeon_i2c_put_byte(tmds->i2c_bus,
2940 								    slave_addr,
2941 								    reg, val);
2942 						break;
2943 					default:
2944 						DRM_ERROR("Unknown id %d\n", id >> 13);
2945 						break;
2946 					}
2947 					blocks--;
2948 				}
2949 				return true;
2950 			}
2951 		}
2952 	} else {
2953 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2954 		if (offset) {
2955 			index = offset + 10;
2956 			id = RBIOS16(index);
2957 			while (id != 0xffff) {
2958 				index += 2;
2959 				switch (id >> 13) {
2960 				case 0:
2961 					reg = (id & 0x1fff) * 4;
2962 					val = RBIOS32(index);
2963 					WREG32(reg, val);
2964 					break;
2965 				case 2:
2966 					reg = (id & 0x1fff) * 4;
2967 					and_mask = RBIOS32(index);
2968 					index += 4;
2969 					or_mask = RBIOS32(index);
2970 					index += 4;
2971 					val = RREG32(reg);
2972 					val = (val & and_mask) | or_mask;
2973 					WREG32(reg, val);
2974 					break;
2975 				case 4:
2976 					val = RBIOS16(index);
2977 					index += 2;
2978 					udelay(val);
2979 					break;
2980 				case 5:
2981 					reg = id & 0x1fff;
2982 					and_mask = RBIOS32(index);
2983 					index += 4;
2984 					or_mask = RBIOS32(index);
2985 					index += 4;
2986 					val = RREG32_PLL(reg);
2987 					val = (val & and_mask) | or_mask;
2988 					WREG32_PLL(reg, val);
2989 					break;
2990 				case 6:
2991 					reg = id & 0x1fff;
2992 					val = RBIOS8(index);
2993 					index += 1;
2994 					radeon_i2c_put_byte(tmds->i2c_bus,
2995 							    tmds->slave_addr,
2996 							    reg, val);
2997 					break;
2998 				default:
2999 					DRM_ERROR("Unknown id %d\n", id >> 13);
3000 					break;
3001 				}
3002 				id = RBIOS16(index);
3003 			}
3004 			return true;
3005 		}
3006 	}
3007 	return false;
3008 }
3009 
3010 static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
3011 {
3012 	struct radeon_device *rdev = dev->dev_private;
3013 
3014 	if (offset) {
3015 		while (RBIOS16(offset)) {
3016 			uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
3017 			uint32_t addr = (RBIOS16(offset) & 0x1fff);
3018 			uint32_t val, and_mask, or_mask;
3019 			uint32_t tmp;
3020 
3021 			offset += 2;
3022 			switch (cmd) {
3023 			case 0:
3024 				val = RBIOS32(offset);
3025 				offset += 4;
3026 				WREG32(addr, val);
3027 				break;
3028 			case 1:
3029 				val = RBIOS32(offset);
3030 				offset += 4;
3031 				WREG32(addr, val);
3032 				break;
3033 			case 2:
3034 				and_mask = RBIOS32(offset);
3035 				offset += 4;
3036 				or_mask = RBIOS32(offset);
3037 				offset += 4;
3038 				tmp = RREG32(addr);
3039 				tmp &= and_mask;
3040 				tmp |= or_mask;
3041 				WREG32(addr, tmp);
3042 				break;
3043 			case 3:
3044 				and_mask = RBIOS32(offset);
3045 				offset += 4;
3046 				or_mask = RBIOS32(offset);
3047 				offset += 4;
3048 				tmp = RREG32(addr);
3049 				tmp &= and_mask;
3050 				tmp |= or_mask;
3051 				WREG32(addr, tmp);
3052 				break;
3053 			case 4:
3054 				val = RBIOS16(offset);
3055 				offset += 2;
3056 				udelay(val);
3057 				break;
3058 			case 5:
3059 				val = RBIOS16(offset);
3060 				offset += 2;
3061 				switch (addr) {
3062 				case 8:
3063 					while (val--) {
3064 						if (!
3065 						    (RREG32_PLL
3066 						     (RADEON_CLK_PWRMGT_CNTL) &
3067 						     RADEON_MC_BUSY))
3068 							break;
3069 					}
3070 					break;
3071 				case 9:
3072 					while (val--) {
3073 						if ((RREG32(RADEON_MC_STATUS) &
3074 						     RADEON_MC_IDLE))
3075 							break;
3076 					}
3077 					break;
3078 				default:
3079 					break;
3080 				}
3081 				break;
3082 			default:
3083 				break;
3084 			}
3085 		}
3086 	}
3087 }
3088 
3089 static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
3090 {
3091 	struct radeon_device *rdev = dev->dev_private;
3092 
3093 	if (offset) {
3094 		while (RBIOS8(offset)) {
3095 			uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
3096 			uint8_t addr = (RBIOS8(offset) & 0x3f);
3097 			uint32_t val, shift, tmp;
3098 			uint32_t and_mask, or_mask;
3099 
3100 			offset++;
3101 			switch (cmd) {
3102 			case 0:
3103 				val = RBIOS32(offset);
3104 				offset += 4;
3105 				WREG32_PLL(addr, val);
3106 				break;
3107 			case 1:
3108 				shift = RBIOS8(offset) * 8;
3109 				offset++;
3110 				and_mask = RBIOS8(offset) << shift;
3111 				and_mask |= ~(0xff << shift);
3112 				offset++;
3113 				or_mask = RBIOS8(offset) << shift;
3114 				offset++;
3115 				tmp = RREG32_PLL(addr);
3116 				tmp &= and_mask;
3117 				tmp |= or_mask;
3118 				WREG32_PLL(addr, tmp);
3119 				break;
3120 			case 2:
3121 			case 3:
3122 				tmp = 1000;
3123 				switch (addr) {
3124 				case 1:
3125 					udelay(150);
3126 					break;
3127 				case 2:
3128 					mdelay(1);
3129 					break;
3130 				case 3:
3131 					while (tmp--) {
3132 						if (!
3133 						    (RREG32_PLL
3134 						     (RADEON_CLK_PWRMGT_CNTL) &
3135 						     RADEON_MC_BUSY))
3136 							break;
3137 					}
3138 					break;
3139 				case 4:
3140 					while (tmp--) {
3141 						if (RREG32_PLL
3142 						    (RADEON_CLK_PWRMGT_CNTL) &
3143 						    RADEON_DLL_READY)
3144 							break;
3145 					}
3146 					break;
3147 				case 5:
3148 					tmp =
3149 					    RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
3150 					if (tmp & RADEON_CG_NO1_DEBUG_0) {
3151 #if 0
3152 						uint32_t mclk_cntl =
3153 						    RREG32_PLL
3154 						    (RADEON_MCLK_CNTL);
3155 						mclk_cntl &= 0xffff0000;
3156 						/*mclk_cntl |= 0x00001111;*//* ??? */
3157 						WREG32_PLL(RADEON_MCLK_CNTL,
3158 							   mclk_cntl);
3159 						mdelay(10);
3160 #endif
3161 						WREG32_PLL
3162 						    (RADEON_CLK_PWRMGT_CNTL,
3163 						     tmp &
3164 						     ~RADEON_CG_NO1_DEBUG_0);
3165 						mdelay(10);
3166 					}
3167 					break;
3168 				default:
3169 					break;
3170 				}
3171 				break;
3172 			default:
3173 				break;
3174 			}
3175 		}
3176 	}
3177 }
3178 
3179 static void combios_parse_ram_reset_table(struct drm_device *dev,
3180 					  uint16_t offset)
3181 {
3182 	struct radeon_device *rdev = dev->dev_private;
3183 	uint32_t tmp;
3184 
3185 	if (offset) {
3186 		uint8_t val = RBIOS8(offset);
3187 		while (val != 0xff) {
3188 			offset++;
3189 
3190 			if (val == 0x0f) {
3191 				uint32_t channel_complete_mask;
3192 
3193 				if (ASIC_IS_R300(rdev))
3194 					channel_complete_mask =
3195 					    R300_MEM_PWRUP_COMPLETE;
3196 				else
3197 					channel_complete_mask =
3198 					    RADEON_MEM_PWRUP_COMPLETE;
3199 				tmp = 20000;
3200 				while (tmp--) {
3201 					if ((RREG32(RADEON_MEM_STR_CNTL) &
3202 					     channel_complete_mask) ==
3203 					    channel_complete_mask)
3204 						break;
3205 				}
3206 			} else {
3207 				uint32_t or_mask = RBIOS16(offset);
3208 				offset += 2;
3209 
3210 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3211 				tmp &= RADEON_SDRAM_MODE_MASK;
3212 				tmp |= or_mask;
3213 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3214 
3215 				or_mask = val << 24;
3216 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3217 				tmp &= RADEON_B3MEM_RESET_MASK;
3218 				tmp |= or_mask;
3219 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3220 			}
3221 			val = RBIOS8(offset);
3222 		}
3223 	}
3224 }
3225 
3226 static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
3227 				   int mem_addr_mapping)
3228 {
3229 	struct radeon_device *rdev = dev->dev_private;
3230 	uint32_t mem_cntl;
3231 	uint32_t mem_size;
3232 	uint32_t addr = 0;
3233 
3234 	mem_cntl = RREG32(RADEON_MEM_CNTL);
3235 	if (mem_cntl & RV100_HALF_MODE)
3236 		ram /= 2;
3237 	mem_size = ram;
3238 	mem_cntl &= ~(0xff << 8);
3239 	mem_cntl |= (mem_addr_mapping & 0xff) << 8;
3240 	WREG32(RADEON_MEM_CNTL, mem_cntl);
3241 	RREG32(RADEON_MEM_CNTL);
3242 
3243 	/* sdram reset ? */
3244 
3245 	/* something like this????  */
3246 	while (ram--) {
3247 		addr = ram * 1024 * 1024;
3248 		/* write to each page */
3249 		WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
3250 		WREG32(RADEON_MM_DATA, 0xdeadbeef);
3251 		/* read back and verify */
3252 		WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
3253 		if (RREG32(RADEON_MM_DATA) != 0xdeadbeef)
3254 			return 0;
3255 	}
3256 
3257 	return mem_size;
3258 }
3259 
3260 static void combios_write_ram_size(struct drm_device *dev)
3261 {
3262 	struct radeon_device *rdev = dev->dev_private;
3263 	uint8_t rev;
3264 	uint16_t offset;
3265 	uint32_t mem_size = 0;
3266 	uint32_t mem_cntl = 0;
3267 
3268 	/* should do something smarter here I guess... */
3269 	if (rdev->flags & RADEON_IS_IGP)
3270 		return;
3271 
3272 	/* first check detected mem table */
3273 	offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
3274 	if (offset) {
3275 		rev = RBIOS8(offset);
3276 		if (rev < 3) {
3277 			mem_cntl = RBIOS32(offset + 1);
3278 			mem_size = RBIOS16(offset + 5);
3279 			if ((rdev->family < CHIP_R200) &&
3280 			    !ASIC_IS_RN50(rdev))
3281 				WREG32(RADEON_MEM_CNTL, mem_cntl);
3282 		}
3283 	}
3284 
3285 	if (!mem_size) {
3286 		offset =
3287 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
3288 		if (offset) {
3289 			rev = RBIOS8(offset - 1);
3290 			if (rev < 1) {
3291 				if ((rdev->family < CHIP_R200)
3292 				    && !ASIC_IS_RN50(rdev)) {
3293 					int ram = 0;
3294 					int mem_addr_mapping = 0;
3295 
3296 					while (RBIOS8(offset)) {
3297 						ram = RBIOS8(offset);
3298 						mem_addr_mapping =
3299 						    RBIOS8(offset + 1);
3300 						if (mem_addr_mapping != 0x25)
3301 							ram *= 2;
3302 						mem_size =
3303 						    combios_detect_ram(dev, ram,
3304 								       mem_addr_mapping);
3305 						if (mem_size)
3306 							break;
3307 						offset += 2;
3308 					}
3309 				} else
3310 					mem_size = RBIOS8(offset);
3311 			} else {
3312 				mem_size = RBIOS8(offset);
3313 				mem_size *= 2;	/* convert to MB */
3314 			}
3315 		}
3316 	}
3317 
3318 	mem_size *= (1024 * 1024);	/* convert to bytes */
3319 	WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
3320 }
3321 
3322 void radeon_combios_dyn_clk_setup(struct drm_device *dev, int enable)
3323 {
3324 	uint16_t dyn_clk_info =
3325 	    combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3326 
3327 	if (dyn_clk_info)
3328 		combios_parse_pll_table(dev, dyn_clk_info);
3329 }
3330 
3331 void radeon_combios_asic_init(struct drm_device *dev)
3332 {
3333 	struct radeon_device *rdev = dev->dev_private;
3334 	uint16_t table;
3335 
3336 	/* port hardcoded mac stuff from radeonfb */
3337 	if (rdev->bios == NULL)
3338 		return;
3339 
3340 	/* ASIC INIT 1 */
3341 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE);
3342 	if (table)
3343 		combios_parse_mmio_table(dev, table);
3344 
3345 	/* PLL INIT */
3346 	table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE);
3347 	if (table)
3348 		combios_parse_pll_table(dev, table);
3349 
3350 	/* ASIC INIT 2 */
3351 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE);
3352 	if (table)
3353 		combios_parse_mmio_table(dev, table);
3354 
3355 	if (!(rdev->flags & RADEON_IS_IGP)) {
3356 		/* ASIC INIT 4 */
3357 		table =
3358 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE);
3359 		if (table)
3360 			combios_parse_mmio_table(dev, table);
3361 
3362 		/* RAM RESET */
3363 		table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE);
3364 		if (table)
3365 			combios_parse_ram_reset_table(dev, table);
3366 
3367 		/* ASIC INIT 3 */
3368 		table =
3369 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE);
3370 		if (table)
3371 			combios_parse_mmio_table(dev, table);
3372 
3373 		/* write CONFIG_MEMSIZE */
3374 		combios_write_ram_size(dev);
3375 	}
3376 
3377 	/* quirk for rs4xx HP nx6125 laptop to make it resume
3378 	 * - it hangs on resume inside the dynclk 1 table.
3379 	 */
3380 	if (rdev->family == CHIP_RS480 &&
3381 	    rdev->pdev->subsystem_vendor == 0x103c &&
3382 	    rdev->pdev->subsystem_device == 0x308b)
3383 		return;
3384 
3385 	/* quirk for rs4xx HP dv5000 laptop to make it resume
3386 	 * - it hangs on resume inside the dynclk 1 table.
3387 	 */
3388 	if (rdev->family == CHIP_RS480 &&
3389 	    rdev->pdev->subsystem_vendor == 0x103c &&
3390 	    rdev->pdev->subsystem_device == 0x30a4)
3391 		return;
3392 
3393 	/* quirk for rs4xx Compaq Presario V5245EU laptop to make it resume
3394 	 * - it hangs on resume inside the dynclk 1 table.
3395 	 */
3396 	if (rdev->family == CHIP_RS480 &&
3397 	    rdev->pdev->subsystem_vendor == 0x103c &&
3398 	    rdev->pdev->subsystem_device == 0x30ae)
3399 		return;
3400 
3401 	/* DYN CLK 1 */
3402 	table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3403 	if (table)
3404 		combios_parse_pll_table(dev, table);
3405 
3406 }
3407 
3408 void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
3409 {
3410 	struct radeon_device *rdev = dev->dev_private;
3411 	uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
3412 
3413 	bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
3414 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3415 	bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
3416 
3417 	/* let the bios control the backlight */
3418 	bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
3419 
3420 	/* tell the bios not to handle mode switching */
3421 	bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
3422 			   RADEON_ACC_MODE_CHANGE);
3423 
3424 	/* tell the bios a driver is loaded */
3425 	bios_7_scratch |= RADEON_DRV_LOADED;
3426 
3427 	WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
3428 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3429 	WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
3430 }
3431 
3432 void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
3433 {
3434 	struct drm_device *dev = encoder->dev;
3435 	struct radeon_device *rdev = dev->dev_private;
3436 	uint32_t bios_6_scratch;
3437 
3438 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3439 
3440 	if (lock)
3441 		bios_6_scratch |= RADEON_DRIVER_CRITICAL;
3442 	else
3443 		bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
3444 
3445 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3446 }
3447 
3448 void
3449 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
3450 				      struct drm_encoder *encoder,
3451 				      bool connected)
3452 {
3453 	struct drm_device *dev = connector->dev;
3454 	struct radeon_device *rdev = dev->dev_private;
3455 	struct radeon_connector *radeon_connector =
3456 	    to_radeon_connector(connector);
3457 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3458 	uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
3459 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3460 
3461 	if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
3462 	    (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
3463 		if (connected) {
3464 			DRM_DEBUG_KMS("TV1 connected\n");
3465 			/* fix me */
3466 			bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
3467 			/*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
3468 			bios_5_scratch |= RADEON_TV1_ON;
3469 			bios_5_scratch |= RADEON_ACC_REQ_TV1;
3470 		} else {
3471 			DRM_DEBUG_KMS("TV1 disconnected\n");
3472 			bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
3473 			bios_5_scratch &= ~RADEON_TV1_ON;
3474 			bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
3475 		}
3476 	}
3477 	if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
3478 	    (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
3479 		if (connected) {
3480 			DRM_DEBUG_KMS("LCD1 connected\n");
3481 			bios_4_scratch |= RADEON_LCD1_ATTACHED;
3482 			bios_5_scratch |= RADEON_LCD1_ON;
3483 			bios_5_scratch |= RADEON_ACC_REQ_LCD1;
3484 		} else {
3485 			DRM_DEBUG_KMS("LCD1 disconnected\n");
3486 			bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
3487 			bios_5_scratch &= ~RADEON_LCD1_ON;
3488 			bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
3489 		}
3490 	}
3491 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
3492 	    (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
3493 		if (connected) {
3494 			DRM_DEBUG_KMS("CRT1 connected\n");
3495 			bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
3496 			bios_5_scratch |= RADEON_CRT1_ON;
3497 			bios_5_scratch |= RADEON_ACC_REQ_CRT1;
3498 		} else {
3499 			DRM_DEBUG_KMS("CRT1 disconnected\n");
3500 			bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
3501 			bios_5_scratch &= ~RADEON_CRT1_ON;
3502 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
3503 		}
3504 	}
3505 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
3506 	    (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
3507 		if (connected) {
3508 			DRM_DEBUG_KMS("CRT2 connected\n");
3509 			bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
3510 			bios_5_scratch |= RADEON_CRT2_ON;
3511 			bios_5_scratch |= RADEON_ACC_REQ_CRT2;
3512 		} else {
3513 			DRM_DEBUG_KMS("CRT2 disconnected\n");
3514 			bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
3515 			bios_5_scratch &= ~RADEON_CRT2_ON;
3516 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
3517 		}
3518 	}
3519 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
3520 	    (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
3521 		if (connected) {
3522 			DRM_DEBUG_KMS("DFP1 connected\n");
3523 			bios_4_scratch |= RADEON_DFP1_ATTACHED;
3524 			bios_5_scratch |= RADEON_DFP1_ON;
3525 			bios_5_scratch |= RADEON_ACC_REQ_DFP1;
3526 		} else {
3527 			DRM_DEBUG_KMS("DFP1 disconnected\n");
3528 			bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
3529 			bios_5_scratch &= ~RADEON_DFP1_ON;
3530 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
3531 		}
3532 	}
3533 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
3534 	    (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
3535 		if (connected) {
3536 			DRM_DEBUG_KMS("DFP2 connected\n");
3537 			bios_4_scratch |= RADEON_DFP2_ATTACHED;
3538 			bios_5_scratch |= RADEON_DFP2_ON;
3539 			bios_5_scratch |= RADEON_ACC_REQ_DFP2;
3540 		} else {
3541 			DRM_DEBUG_KMS("DFP2 disconnected\n");
3542 			bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
3543 			bios_5_scratch &= ~RADEON_DFP2_ON;
3544 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
3545 		}
3546 	}
3547 	WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
3548 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3549 }
3550 
3551 void
3552 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
3553 {
3554 	struct drm_device *dev = encoder->dev;
3555 	struct radeon_device *rdev = dev->dev_private;
3556 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3557 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3558 
3559 	if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
3560 		bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
3561 		bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
3562 	}
3563 	if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
3564 		bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
3565 		bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
3566 	}
3567 	if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
3568 		bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
3569 		bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
3570 	}
3571 	if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
3572 		bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
3573 		bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
3574 	}
3575 	if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
3576 		bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
3577 		bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
3578 	}
3579 	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
3580 		bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
3581 		bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
3582 	}
3583 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3584 }
3585 
3586 void
3587 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
3588 {
3589 	struct drm_device *dev = encoder->dev;
3590 	struct radeon_device *rdev = dev->dev_private;
3591 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3592 	uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3593 
3594 	if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
3595 		if (on)
3596 			bios_6_scratch |= RADEON_TV_DPMS_ON;
3597 		else
3598 			bios_6_scratch &= ~RADEON_TV_DPMS_ON;
3599 	}
3600 	if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3601 		if (on)
3602 			bios_6_scratch |= RADEON_CRT_DPMS_ON;
3603 		else
3604 			bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
3605 	}
3606 	if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3607 		if (on)
3608 			bios_6_scratch |= RADEON_LCD_DPMS_ON;
3609 		else
3610 			bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
3611 	}
3612 	if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
3613 		if (on)
3614 			bios_6_scratch |= RADEON_DFP_DPMS_ON;
3615 		else
3616 			bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
3617 	}
3618 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3619 }
3620