xref: /openbsd-src/sys/dev/pci/drm/radeon/radeon_combios.c (revision f2da64fbbbf1b03f09f390ab01267c93dfd77c4c)
1 /*	$OpenBSD: radeon_combios.c,v 1.8 2015/04/18 14:47:35 jsg Exp $	*/
2 /*
3  * Copyright 2004 ATI Technologies Inc., Markham, Ontario
4  * Copyright 2007-8 Advanced Micro Devices, Inc.
5  * Copyright 2008 Red Hat Inc.
6  *
7  * Permission is hereby granted, free of charge, to any person obtaining a
8  * copy of this software and associated documentation files (the "Software"),
9  * to deal in the Software without restriction, including without limitation
10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11  * and/or sell copies of the Software, and to permit persons to whom the
12  * Software is furnished to do so, subject to the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be included in
15  * all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
21  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23  * OTHER DEALINGS IN THE SOFTWARE.
24  *
25  * Authors: Dave Airlie
26  *          Alex Deucher
27  */
28 #include <dev/pci/drm/drmP.h>
29 #include <dev/pci/drm/radeon_drm.h>
30 #include "radeon.h"
31 #include "atom.h"
32 
33 /* from radeon_encoder.c */
34 extern uint32_t
35 radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device,
36 			uint8_t dac);
37 extern void radeon_link_encoder_connector(struct drm_device *dev);
38 
39 /* from radeon_connector.c */
40 extern void
41 radeon_add_legacy_connector(struct drm_device *dev,
42 			    uint32_t connector_id,
43 			    uint32_t supported_device,
44 			    int connector_type,
45 			    struct radeon_i2c_bus_rec *i2c_bus,
46 			    uint16_t connector_object_id,
47 			    struct radeon_hpd *hpd);
48 
49 /* from radeon_legacy_encoder.c */
50 extern void
51 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum,
52 			  uint32_t supported_device);
53 
54 /* old legacy ATI BIOS routines */
55 
56 /* COMBIOS table offsets */
57 enum radeon_combios_table_offset {
58 	/* absolute offset tables */
59 	COMBIOS_ASIC_INIT_1_TABLE,
60 	COMBIOS_BIOS_SUPPORT_TABLE,
61 	COMBIOS_DAC_PROGRAMMING_TABLE,
62 	COMBIOS_MAX_COLOR_DEPTH_TABLE,
63 	COMBIOS_CRTC_INFO_TABLE,
64 	COMBIOS_PLL_INFO_TABLE,
65 	COMBIOS_TV_INFO_TABLE,
66 	COMBIOS_DFP_INFO_TABLE,
67 	COMBIOS_HW_CONFIG_INFO_TABLE,
68 	COMBIOS_MULTIMEDIA_INFO_TABLE,
69 	COMBIOS_TV_STD_PATCH_TABLE,
70 	COMBIOS_LCD_INFO_TABLE,
71 	COMBIOS_MOBILE_INFO_TABLE,
72 	COMBIOS_PLL_INIT_TABLE,
73 	COMBIOS_MEM_CONFIG_TABLE,
74 	COMBIOS_SAVE_MASK_TABLE,
75 	COMBIOS_HARDCODED_EDID_TABLE,
76 	COMBIOS_ASIC_INIT_2_TABLE,
77 	COMBIOS_CONNECTOR_INFO_TABLE,
78 	COMBIOS_DYN_CLK_1_TABLE,
79 	COMBIOS_RESERVED_MEM_TABLE,
80 	COMBIOS_EXT_TMDS_INFO_TABLE,
81 	COMBIOS_MEM_CLK_INFO_TABLE,
82 	COMBIOS_EXT_DAC_INFO_TABLE,
83 	COMBIOS_MISC_INFO_TABLE,
84 	COMBIOS_CRT_INFO_TABLE,
85 	COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE,
86 	COMBIOS_COMPONENT_VIDEO_INFO_TABLE,
87 	COMBIOS_FAN_SPEED_INFO_TABLE,
88 	COMBIOS_OVERDRIVE_INFO_TABLE,
89 	COMBIOS_OEM_INFO_TABLE,
90 	COMBIOS_DYN_CLK_2_TABLE,
91 	COMBIOS_POWER_CONNECTOR_INFO_TABLE,
92 	COMBIOS_I2C_INFO_TABLE,
93 	/* relative offset tables */
94 	COMBIOS_ASIC_INIT_3_TABLE,	/* offset from misc info */
95 	COMBIOS_ASIC_INIT_4_TABLE,	/* offset from misc info */
96 	COMBIOS_DETECTED_MEM_TABLE,	/* offset from misc info */
97 	COMBIOS_ASIC_INIT_5_TABLE,	/* offset from misc info */
98 	COMBIOS_RAM_RESET_TABLE,	/* offset from mem config */
99 	COMBIOS_POWERPLAY_INFO_TABLE,	/* offset from mobile info */
100 	COMBIOS_GPIO_INFO_TABLE,	/* offset from mobile info */
101 	COMBIOS_LCD_DDC_INFO_TABLE,	/* offset from mobile info */
102 	COMBIOS_TMDS_POWER_TABLE,	/* offset from mobile info */
103 	COMBIOS_TMDS_POWER_ON_TABLE,	/* offset from tmds power */
104 	COMBIOS_TMDS_POWER_OFF_TABLE,	/* offset from tmds power */
105 };
106 
107 enum radeon_combios_ddc {
108 	DDC_NONE_DETECTED,
109 	DDC_MONID,
110 	DDC_DVI,
111 	DDC_VGA,
112 	DDC_CRT2,
113 	DDC_LCD,
114 	DDC_GPIO,
115 };
116 
117 enum radeon_combios_connector {
118 	CONNECTOR_NONE_LEGACY,
119 	CONNECTOR_PROPRIETARY_LEGACY,
120 	CONNECTOR_CRT_LEGACY,
121 	CONNECTOR_DVI_I_LEGACY,
122 	CONNECTOR_DVI_D_LEGACY,
123 	CONNECTOR_CTV_LEGACY,
124 	CONNECTOR_STV_LEGACY,
125 	CONNECTOR_UNSUPPORTED_LEGACY
126 };
127 
128 const int legacy_connector_convert[] = {
129 	DRM_MODE_CONNECTOR_Unknown,
130 	DRM_MODE_CONNECTOR_DVID,
131 	DRM_MODE_CONNECTOR_VGA,
132 	DRM_MODE_CONNECTOR_DVII,
133 	DRM_MODE_CONNECTOR_DVID,
134 	DRM_MODE_CONNECTOR_Composite,
135 	DRM_MODE_CONNECTOR_SVIDEO,
136 	DRM_MODE_CONNECTOR_Unknown,
137 };
138 
139 static uint16_t combios_get_table_offset(struct drm_device *dev,
140 					 enum radeon_combios_table_offset table)
141 {
142 	struct radeon_device *rdev = dev->dev_private;
143 	int rev, size;
144 	uint16_t offset = 0, check_offset;
145 
146 	if (!rdev->bios)
147 		return 0;
148 
149 	switch (table) {
150 		/* absolute offset tables */
151 	case COMBIOS_ASIC_INIT_1_TABLE:
152 		check_offset = 0xc;
153 		break;
154 	case COMBIOS_BIOS_SUPPORT_TABLE:
155 		check_offset = 0x14;
156 		break;
157 	case COMBIOS_DAC_PROGRAMMING_TABLE:
158 		check_offset = 0x2a;
159 		break;
160 	case COMBIOS_MAX_COLOR_DEPTH_TABLE:
161 		check_offset = 0x2c;
162 		break;
163 	case COMBIOS_CRTC_INFO_TABLE:
164 		check_offset = 0x2e;
165 		break;
166 	case COMBIOS_PLL_INFO_TABLE:
167 		check_offset = 0x30;
168 		break;
169 	case COMBIOS_TV_INFO_TABLE:
170 		check_offset = 0x32;
171 		break;
172 	case COMBIOS_DFP_INFO_TABLE:
173 		check_offset = 0x34;
174 		break;
175 	case COMBIOS_HW_CONFIG_INFO_TABLE:
176 		check_offset = 0x36;
177 		break;
178 	case COMBIOS_MULTIMEDIA_INFO_TABLE:
179 		check_offset = 0x38;
180 		break;
181 	case COMBIOS_TV_STD_PATCH_TABLE:
182 		check_offset = 0x3e;
183 		break;
184 	case COMBIOS_LCD_INFO_TABLE:
185 		check_offset = 0x40;
186 		break;
187 	case COMBIOS_MOBILE_INFO_TABLE:
188 		check_offset = 0x42;
189 		break;
190 	case COMBIOS_PLL_INIT_TABLE:
191 		check_offset = 0x46;
192 		break;
193 	case COMBIOS_MEM_CONFIG_TABLE:
194 		check_offset = 0x48;
195 		break;
196 	case COMBIOS_SAVE_MASK_TABLE:
197 		check_offset = 0x4a;
198 		break;
199 	case COMBIOS_HARDCODED_EDID_TABLE:
200 		check_offset = 0x4c;
201 		break;
202 	case COMBIOS_ASIC_INIT_2_TABLE:
203 		check_offset = 0x4e;
204 		break;
205 	case COMBIOS_CONNECTOR_INFO_TABLE:
206 		check_offset = 0x50;
207 		break;
208 	case COMBIOS_DYN_CLK_1_TABLE:
209 		check_offset = 0x52;
210 		break;
211 	case COMBIOS_RESERVED_MEM_TABLE:
212 		check_offset = 0x54;
213 		break;
214 	case COMBIOS_EXT_TMDS_INFO_TABLE:
215 		check_offset = 0x58;
216 		break;
217 	case COMBIOS_MEM_CLK_INFO_TABLE:
218 		check_offset = 0x5a;
219 		break;
220 	case COMBIOS_EXT_DAC_INFO_TABLE:
221 		check_offset = 0x5c;
222 		break;
223 	case COMBIOS_MISC_INFO_TABLE:
224 		check_offset = 0x5e;
225 		break;
226 	case COMBIOS_CRT_INFO_TABLE:
227 		check_offset = 0x60;
228 		break;
229 	case COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE:
230 		check_offset = 0x62;
231 		break;
232 	case COMBIOS_COMPONENT_VIDEO_INFO_TABLE:
233 		check_offset = 0x64;
234 		break;
235 	case COMBIOS_FAN_SPEED_INFO_TABLE:
236 		check_offset = 0x66;
237 		break;
238 	case COMBIOS_OVERDRIVE_INFO_TABLE:
239 		check_offset = 0x68;
240 		break;
241 	case COMBIOS_OEM_INFO_TABLE:
242 		check_offset = 0x6a;
243 		break;
244 	case COMBIOS_DYN_CLK_2_TABLE:
245 		check_offset = 0x6c;
246 		break;
247 	case COMBIOS_POWER_CONNECTOR_INFO_TABLE:
248 		check_offset = 0x6e;
249 		break;
250 	case COMBIOS_I2C_INFO_TABLE:
251 		check_offset = 0x70;
252 		break;
253 		/* relative offset tables */
254 	case COMBIOS_ASIC_INIT_3_TABLE:	/* offset from misc info */
255 		check_offset =
256 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
257 		if (check_offset) {
258 			rev = RBIOS8(check_offset);
259 			if (rev > 0) {
260 				check_offset = RBIOS16(check_offset + 0x3);
261 				if (check_offset)
262 					offset = check_offset;
263 			}
264 		}
265 		break;
266 	case COMBIOS_ASIC_INIT_4_TABLE:	/* offset from misc info */
267 		check_offset =
268 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
269 		if (check_offset) {
270 			rev = RBIOS8(check_offset);
271 			if (rev > 0) {
272 				check_offset = RBIOS16(check_offset + 0x5);
273 				if (check_offset)
274 					offset = check_offset;
275 			}
276 		}
277 		break;
278 	case COMBIOS_DETECTED_MEM_TABLE:	/* offset from misc info */
279 		check_offset =
280 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
281 		if (check_offset) {
282 			rev = RBIOS8(check_offset);
283 			if (rev > 0) {
284 				check_offset = RBIOS16(check_offset + 0x7);
285 				if (check_offset)
286 					offset = check_offset;
287 			}
288 		}
289 		break;
290 	case COMBIOS_ASIC_INIT_5_TABLE:	/* offset from misc info */
291 		check_offset =
292 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
293 		if (check_offset) {
294 			rev = RBIOS8(check_offset);
295 			if (rev == 2) {
296 				check_offset = RBIOS16(check_offset + 0x9);
297 				if (check_offset)
298 					offset = check_offset;
299 			}
300 		}
301 		break;
302 	case COMBIOS_RAM_RESET_TABLE:	/* offset from mem config */
303 		check_offset =
304 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
305 		if (check_offset) {
306 			while (RBIOS8(check_offset++));
307 			check_offset += 2;
308 			if (check_offset)
309 				offset = check_offset;
310 		}
311 		break;
312 	case COMBIOS_POWERPLAY_INFO_TABLE:	/* offset from mobile info */
313 		check_offset =
314 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
315 		if (check_offset) {
316 			check_offset = RBIOS16(check_offset + 0x11);
317 			if (check_offset)
318 				offset = check_offset;
319 		}
320 		break;
321 	case COMBIOS_GPIO_INFO_TABLE:	/* offset from mobile info */
322 		check_offset =
323 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
324 		if (check_offset) {
325 			check_offset = RBIOS16(check_offset + 0x13);
326 			if (check_offset)
327 				offset = check_offset;
328 		}
329 		break;
330 	case COMBIOS_LCD_DDC_INFO_TABLE:	/* offset from mobile info */
331 		check_offset =
332 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
333 		if (check_offset) {
334 			check_offset = RBIOS16(check_offset + 0x15);
335 			if (check_offset)
336 				offset = check_offset;
337 		}
338 		break;
339 	case COMBIOS_TMDS_POWER_TABLE:	/* offset from mobile info */
340 		check_offset =
341 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
342 		if (check_offset) {
343 			check_offset = RBIOS16(check_offset + 0x17);
344 			if (check_offset)
345 				offset = check_offset;
346 		}
347 		break;
348 	case COMBIOS_TMDS_POWER_ON_TABLE:	/* offset from tmds power */
349 		check_offset =
350 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
351 		if (check_offset) {
352 			check_offset = RBIOS16(check_offset + 0x2);
353 			if (check_offset)
354 				offset = check_offset;
355 		}
356 		break;
357 	case COMBIOS_TMDS_POWER_OFF_TABLE:	/* offset from tmds power */
358 		check_offset =
359 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
360 		if (check_offset) {
361 			check_offset = RBIOS16(check_offset + 0x4);
362 			if (check_offset)
363 				offset = check_offset;
364 		}
365 		break;
366 	default:
367 		break;
368 	}
369 
370 	size = RBIOS8(rdev->bios_header_start + 0x6);
371 	if (table < COMBIOS_ASIC_INIT_3_TABLE && check_offset < size)
372 		offset = RBIOS16(rdev->bios_header_start + check_offset);
373 
374 	return offset;
375 }
376 
377 bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev)
378 {
379 	int edid_info, size;
380 	struct edid *edid;
381 	unsigned char *raw;
382 	edid_info = combios_get_table_offset(rdev->ddev, COMBIOS_HARDCODED_EDID_TABLE);
383 	if (!edid_info)
384 		return false;
385 
386 	raw = rdev->bios + edid_info;
387 	size = EDID_LENGTH * (raw[0x7e] + 1);
388 	edid = kmalloc(size, GFP_KERNEL);
389 	if (edid == NULL)
390 		return false;
391 
392 	memcpy((unsigned char *)edid, raw, size);
393 
394 	if (!drm_edid_is_valid(edid)) {
395 		kfree(edid);
396 		return false;
397 	}
398 
399 	rdev->mode_info.bios_hardcoded_edid = edid;
400 	rdev->mode_info.bios_hardcoded_edid_size = size;
401 	return true;
402 }
403 
404 /* this is used for atom LCDs as well */
405 struct edid *
406 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev)
407 {
408 	struct edid *edid;
409 
410 	if (rdev->mode_info.bios_hardcoded_edid) {
411 		edid = kmalloc(rdev->mode_info.bios_hardcoded_edid_size, GFP_KERNEL);
412 		if (edid) {
413 			memcpy((unsigned char *)edid,
414 			       (unsigned char *)rdev->mode_info.bios_hardcoded_edid,
415 			       rdev->mode_info.bios_hardcoded_edid_size);
416 			return edid;
417 		}
418 	}
419 	return NULL;
420 }
421 
422 static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
423 						       enum radeon_combios_ddc ddc,
424 						       u32 clk_mask,
425 						       u32 data_mask)
426 {
427 	struct radeon_i2c_bus_rec i2c;
428 	int ddc_line = 0;
429 
430 	/* ddc id            = mask reg
431 	 * DDC_NONE_DETECTED = none
432 	 * DDC_DVI           = RADEON_GPIO_DVI_DDC
433 	 * DDC_VGA           = RADEON_GPIO_VGA_DDC
434 	 * DDC_LCD           = RADEON_GPIOPAD_MASK
435 	 * DDC_GPIO          = RADEON_MDGPIO_MASK
436 	 * r1xx
437 	 * DDC_MONID         = RADEON_GPIO_MONID
438 	 * DDC_CRT2          = RADEON_GPIO_CRT2_DDC
439 	 * r200
440 	 * DDC_MONID         = RADEON_GPIO_MONID
441 	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
442 	 * r300/r350
443 	 * DDC_MONID         = RADEON_GPIO_DVI_DDC
444 	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
445 	 * rv2xx/rv3xx
446 	 * DDC_MONID         = RADEON_GPIO_MONID
447 	 * DDC_CRT2          = RADEON_GPIO_MONID
448 	 * rs3xx/rs4xx
449 	 * DDC_MONID         = RADEON_GPIOPAD_MASK
450 	 * DDC_CRT2          = RADEON_GPIO_MONID
451 	 */
452 	switch (ddc) {
453 	case DDC_NONE_DETECTED:
454 	default:
455 		ddc_line = 0;
456 		break;
457 	case DDC_DVI:
458 		ddc_line = RADEON_GPIO_DVI_DDC;
459 		break;
460 	case DDC_VGA:
461 		ddc_line = RADEON_GPIO_VGA_DDC;
462 		break;
463 	case DDC_LCD:
464 		ddc_line = RADEON_GPIOPAD_MASK;
465 		break;
466 	case DDC_GPIO:
467 		ddc_line = RADEON_MDGPIO_MASK;
468 		break;
469 	case DDC_MONID:
470 		if (rdev->family == CHIP_RS300 ||
471 		    rdev->family == CHIP_RS400 ||
472 		    rdev->family == CHIP_RS480)
473 			ddc_line = RADEON_GPIOPAD_MASK;
474 		else if (rdev->family == CHIP_R300 ||
475 			 rdev->family == CHIP_R350) {
476 			ddc_line = RADEON_GPIO_DVI_DDC;
477 			ddc = DDC_DVI;
478 		} else
479 			ddc_line = RADEON_GPIO_MONID;
480 		break;
481 	case DDC_CRT2:
482 		if (rdev->family == CHIP_R200 ||
483 		    rdev->family == CHIP_R300 ||
484 		    rdev->family == CHIP_R350) {
485 			ddc_line = RADEON_GPIO_DVI_DDC;
486 			ddc = DDC_DVI;
487 		} else if (rdev->family == CHIP_RS300 ||
488 			   rdev->family == CHIP_RS400 ||
489 			   rdev->family == CHIP_RS480)
490 			ddc_line = RADEON_GPIO_MONID;
491 		else if (rdev->family >= CHIP_RV350) {
492 			ddc_line = RADEON_GPIO_MONID;
493 			ddc = DDC_MONID;
494 		} else
495 			ddc_line = RADEON_GPIO_CRT2_DDC;
496 		break;
497 	}
498 
499 	if (ddc_line == RADEON_GPIOPAD_MASK) {
500 		i2c.mask_clk_reg = RADEON_GPIOPAD_MASK;
501 		i2c.mask_data_reg = RADEON_GPIOPAD_MASK;
502 		i2c.a_clk_reg = RADEON_GPIOPAD_A;
503 		i2c.a_data_reg = RADEON_GPIOPAD_A;
504 		i2c.en_clk_reg = RADEON_GPIOPAD_EN;
505 		i2c.en_data_reg = RADEON_GPIOPAD_EN;
506 		i2c.y_clk_reg = RADEON_GPIOPAD_Y;
507 		i2c.y_data_reg = RADEON_GPIOPAD_Y;
508 	} else if (ddc_line == RADEON_MDGPIO_MASK) {
509 		i2c.mask_clk_reg = RADEON_MDGPIO_MASK;
510 		i2c.mask_data_reg = RADEON_MDGPIO_MASK;
511 		i2c.a_clk_reg = RADEON_MDGPIO_A;
512 		i2c.a_data_reg = RADEON_MDGPIO_A;
513 		i2c.en_clk_reg = RADEON_MDGPIO_EN;
514 		i2c.en_data_reg = RADEON_MDGPIO_EN;
515 		i2c.y_clk_reg = RADEON_MDGPIO_Y;
516 		i2c.y_data_reg = RADEON_MDGPIO_Y;
517 	} else {
518 		i2c.mask_clk_reg = ddc_line;
519 		i2c.mask_data_reg = ddc_line;
520 		i2c.a_clk_reg = ddc_line;
521 		i2c.a_data_reg = ddc_line;
522 		i2c.en_clk_reg = ddc_line;
523 		i2c.en_data_reg = ddc_line;
524 		i2c.y_clk_reg = ddc_line;
525 		i2c.y_data_reg = ddc_line;
526 	}
527 
528 	if (clk_mask && data_mask) {
529 		/* system specific masks */
530 		i2c.mask_clk_mask = clk_mask;
531 		i2c.mask_data_mask = data_mask;
532 		i2c.a_clk_mask = clk_mask;
533 		i2c.a_data_mask = data_mask;
534 		i2c.en_clk_mask = clk_mask;
535 		i2c.en_data_mask = data_mask;
536 		i2c.y_clk_mask = clk_mask;
537 		i2c.y_data_mask = data_mask;
538 	} else if ((ddc_line == RADEON_GPIOPAD_MASK) ||
539 		   (ddc_line == RADEON_MDGPIO_MASK)) {
540 		/* default gpiopad masks */
541 		i2c.mask_clk_mask = (0x20 << 8);
542 		i2c.mask_data_mask = 0x80;
543 		i2c.a_clk_mask = (0x20 << 8);
544 		i2c.a_data_mask = 0x80;
545 		i2c.en_clk_mask = (0x20 << 8);
546 		i2c.en_data_mask = 0x80;
547 		i2c.y_clk_mask = (0x20 << 8);
548 		i2c.y_data_mask = 0x80;
549 	} else {
550 		/* default masks for ddc pads */
551 		i2c.mask_clk_mask = RADEON_GPIO_MASK_1;
552 		i2c.mask_data_mask = RADEON_GPIO_MASK_0;
553 		i2c.a_clk_mask = RADEON_GPIO_A_1;
554 		i2c.a_data_mask = RADEON_GPIO_A_0;
555 		i2c.en_clk_mask = RADEON_GPIO_EN_1;
556 		i2c.en_data_mask = RADEON_GPIO_EN_0;
557 		i2c.y_clk_mask = RADEON_GPIO_Y_1;
558 		i2c.y_data_mask = RADEON_GPIO_Y_0;
559 	}
560 
561 	switch (rdev->family) {
562 	case CHIP_R100:
563 	case CHIP_RV100:
564 	case CHIP_RS100:
565 	case CHIP_RV200:
566 	case CHIP_RS200:
567 	case CHIP_RS300:
568 		switch (ddc_line) {
569 		case RADEON_GPIO_DVI_DDC:
570 			i2c.hw_capable = true;
571 			break;
572 		default:
573 			i2c.hw_capable = false;
574 			break;
575 		}
576 		break;
577 	case CHIP_R200:
578 		switch (ddc_line) {
579 		case RADEON_GPIO_DVI_DDC:
580 		case RADEON_GPIO_MONID:
581 			i2c.hw_capable = true;
582 			break;
583 		default:
584 			i2c.hw_capable = false;
585 			break;
586 		}
587 		break;
588 	case CHIP_RV250:
589 	case CHIP_RV280:
590 		switch (ddc_line) {
591 		case RADEON_GPIO_VGA_DDC:
592 		case RADEON_GPIO_DVI_DDC:
593 		case RADEON_GPIO_CRT2_DDC:
594 			i2c.hw_capable = true;
595 			break;
596 		default:
597 			i2c.hw_capable = false;
598 			break;
599 		}
600 		break;
601 	case CHIP_R300:
602 	case CHIP_R350:
603 		switch (ddc_line) {
604 		case RADEON_GPIO_VGA_DDC:
605 		case RADEON_GPIO_DVI_DDC:
606 			i2c.hw_capable = true;
607 			break;
608 		default:
609 			i2c.hw_capable = false;
610 			break;
611 		}
612 		break;
613 	case CHIP_RV350:
614 	case CHIP_RV380:
615 	case CHIP_RS400:
616 	case CHIP_RS480:
617 		switch (ddc_line) {
618 		case RADEON_GPIO_VGA_DDC:
619 		case RADEON_GPIO_DVI_DDC:
620 			i2c.hw_capable = true;
621 			break;
622 		case RADEON_GPIO_MONID:
623 			/* hw i2c on RADEON_GPIO_MONID doesn't seem to work
624 			 * reliably on some pre-r4xx hardware; not sure why.
625 			 */
626 			i2c.hw_capable = false;
627 			break;
628 		default:
629 			i2c.hw_capable = false;
630 			break;
631 		}
632 		break;
633 	default:
634 		i2c.hw_capable = false;
635 		break;
636 	}
637 	i2c.mm_i2c = false;
638 
639 	i2c.i2c_id = ddc;
640 	i2c.hpd = RADEON_HPD_NONE;
641 
642 	if (ddc_line)
643 		i2c.valid = true;
644 	else
645 		i2c.valid = false;
646 
647 	return i2c;
648 }
649 
650 static struct radeon_i2c_bus_rec radeon_combios_get_i2c_info_from_table(struct radeon_device *rdev)
651 {
652 	struct drm_device *dev = rdev->ddev;
653 	struct radeon_i2c_bus_rec i2c;
654 	u16 offset;
655 	u8 id, blocks, clk, data;
656 	int i;
657 
658 	i2c.valid = false;
659 
660 	offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE);
661 	if (offset) {
662 		blocks = RBIOS8(offset + 2);
663 		for (i = 0; i < blocks; i++) {
664 			id = RBIOS8(offset + 3 + (i * 5) + 0);
665 			if (id == 136) {
666 				clk = RBIOS8(offset + 3 + (i * 5) + 3);
667 				data = RBIOS8(offset + 3 + (i * 5) + 4);
668 				/* gpiopad */
669 				i2c = combios_setup_i2c_bus(rdev, DDC_MONID,
670 							    (1 << clk), (1 << data));
671 				break;
672 			}
673 		}
674 	}
675 	return i2c;
676 }
677 
678 void radeon_combios_i2c_init(struct radeon_device *rdev)
679 {
680 	struct drm_device *dev = rdev->ddev;
681 	struct radeon_i2c_bus_rec i2c;
682 
683 	/* actual hw pads
684 	 * r1xx/rs2xx/rs3xx
685 	 * 0x60, 0x64, 0x68, 0x6c, gpiopads, mm
686 	 * r200
687 	 * 0x60, 0x64, 0x68, mm
688 	 * r300/r350
689 	 * 0x60, 0x64, mm
690 	 * rv2xx/rv3xx/rs4xx
691 	 * 0x60, 0x64, 0x68, gpiopads, mm
692 	 */
693 
694 	/* 0x60 */
695 	i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
696 	rdev->i2c_bus[0] = radeon_i2c_create(dev, &i2c, "DVI_DDC");
697 	/* 0x64 */
698 	i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
699 	rdev->i2c_bus[1] = radeon_i2c_create(dev, &i2c, "VGA_DDC");
700 
701 	/* mm i2c */
702 	i2c.valid = true;
703 	i2c.hw_capable = true;
704 	i2c.mm_i2c = true;
705 	i2c.i2c_id = 0xa0;
706 	rdev->i2c_bus[2] = radeon_i2c_create(dev, &i2c, "MM_I2C");
707 
708 	if (rdev->family == CHIP_R300 ||
709 	    rdev->family == CHIP_R350) {
710 		/* only 2 sw i2c pads */
711 	} else if (rdev->family == CHIP_RS300 ||
712 		   rdev->family == CHIP_RS400 ||
713 		   rdev->family == CHIP_RS480) {
714 		/* 0x68 */
715 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
716 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
717 
718 		/* gpiopad */
719 		i2c = radeon_combios_get_i2c_info_from_table(rdev);
720 		if (i2c.valid)
721 			rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "GPIOPAD_MASK");
722 	} else if ((rdev->family == CHIP_R200) ||
723 		   (rdev->family >= CHIP_R300)) {
724 		/* 0x68 */
725 		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
726 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
727 	} else {
728 		/* 0x68 */
729 		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
730 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
731 		/* 0x6c */
732 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
733 		rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "CRT2_DDC");
734 	}
735 }
736 
737 bool radeon_combios_get_clock_info(struct drm_device *dev)
738 {
739 	struct radeon_device *rdev = dev->dev_private;
740 	uint16_t pll_info;
741 	struct radeon_pll *p1pll = &rdev->clock.p1pll;
742 	struct radeon_pll *p2pll = &rdev->clock.p2pll;
743 	struct radeon_pll *spll = &rdev->clock.spll;
744 	struct radeon_pll *mpll = &rdev->clock.mpll;
745 	int8_t rev;
746 	uint16_t sclk, mclk;
747 
748 	pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
749 	if (pll_info) {
750 		rev = RBIOS8(pll_info);
751 
752 		/* pixel clocks */
753 		p1pll->reference_freq = RBIOS16(pll_info + 0xe);
754 		p1pll->reference_div = RBIOS16(pll_info + 0x10);
755 		p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
756 		p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
757 		p1pll->lcd_pll_out_min = p1pll->pll_out_min;
758 		p1pll->lcd_pll_out_max = p1pll->pll_out_max;
759 
760 		if (rev > 9) {
761 			p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
762 			p1pll->pll_in_max = RBIOS32(pll_info + 0x3a);
763 		} else {
764 			p1pll->pll_in_min = 40;
765 			p1pll->pll_in_max = 500;
766 		}
767 		*p2pll = *p1pll;
768 
769 		/* system clock */
770 		spll->reference_freq = RBIOS16(pll_info + 0x1a);
771 		spll->reference_div = RBIOS16(pll_info + 0x1c);
772 		spll->pll_out_min = RBIOS32(pll_info + 0x1e);
773 		spll->pll_out_max = RBIOS32(pll_info + 0x22);
774 
775 		if (rev > 10) {
776 			spll->pll_in_min = RBIOS32(pll_info + 0x48);
777 			spll->pll_in_max = RBIOS32(pll_info + 0x4c);
778 		} else {
779 			/* ??? */
780 			spll->pll_in_min = 40;
781 			spll->pll_in_max = 500;
782 		}
783 
784 		/* memory clock */
785 		mpll->reference_freq = RBIOS16(pll_info + 0x26);
786 		mpll->reference_div = RBIOS16(pll_info + 0x28);
787 		mpll->pll_out_min = RBIOS32(pll_info + 0x2a);
788 		mpll->pll_out_max = RBIOS32(pll_info + 0x2e);
789 
790 		if (rev > 10) {
791 			mpll->pll_in_min = RBIOS32(pll_info + 0x5a);
792 			mpll->pll_in_max = RBIOS32(pll_info + 0x5e);
793 		} else {
794 			/* ??? */
795 			mpll->pll_in_min = 40;
796 			mpll->pll_in_max = 500;
797 		}
798 
799 		/* default sclk/mclk */
800 		sclk = RBIOS16(pll_info + 0xa);
801 		mclk = RBIOS16(pll_info + 0x8);
802 		if (sclk == 0)
803 			sclk = 200 * 100;
804 		if (mclk == 0)
805 			mclk = 200 * 100;
806 
807 		rdev->clock.default_sclk = sclk;
808 		rdev->clock.default_mclk = mclk;
809 
810 		if (RBIOS32(pll_info + 0x16))
811 			rdev->clock.max_pixel_clock = RBIOS32(pll_info + 0x16);
812 		else
813 			rdev->clock.max_pixel_clock = 35000; /* might need something asic specific */
814 
815 		return true;
816 	}
817 	return false;
818 }
819 
820 bool radeon_combios_sideport_present(struct radeon_device *rdev)
821 {
822 	struct drm_device *dev = rdev->ddev;
823 	u16 igp_info;
824 
825 	/* sideport is AMD only */
826 	if (rdev->family == CHIP_RS400)
827 		return false;
828 
829 	igp_info = combios_get_table_offset(dev, COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE);
830 
831 	if (igp_info) {
832 		if (RBIOS16(igp_info + 0x4))
833 			return true;
834 	}
835 	return false;
836 }
837 
838 static const uint32_t default_primarydac_adj[CHIP_LAST] = {
839 	0x00000808,		/* r100  */
840 	0x00000808,		/* rv100 */
841 	0x00000808,		/* rs100 */
842 	0x00000808,		/* rv200 */
843 	0x00000808,		/* rs200 */
844 	0x00000808,		/* r200  */
845 	0x00000808,		/* rv250 */
846 	0x00000000,		/* rs300 */
847 	0x00000808,		/* rv280 */
848 	0x00000808,		/* r300  */
849 	0x00000808,		/* r350  */
850 	0x00000808,		/* rv350 */
851 	0x00000808,		/* rv380 */
852 	0x00000808,		/* r420  */
853 	0x00000808,		/* r423  */
854 	0x00000808,		/* rv410 */
855 	0x00000000,		/* rs400 */
856 	0x00000000,		/* rs480 */
857 };
858 
859 static void radeon_legacy_get_primary_dac_info_from_table(struct radeon_device *rdev,
860 							  struct radeon_encoder_primary_dac *p_dac)
861 {
862 	p_dac->ps2_pdac_adj = default_primarydac_adj[rdev->family];
863 	return;
864 }
865 
866 struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
867 								       radeon_encoder
868 								       *encoder)
869 {
870 	struct drm_device *dev = encoder->base.dev;
871 	struct radeon_device *rdev = dev->dev_private;
872 	uint16_t dac_info;
873 	uint8_t rev, bg, dac;
874 	struct radeon_encoder_primary_dac *p_dac = NULL;
875 	int found = 0;
876 
877 	p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac),
878 			GFP_KERNEL);
879 
880 	if (!p_dac)
881 		return NULL;
882 
883 	/* check CRT table */
884 	dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
885 	if (dac_info) {
886 		rev = RBIOS8(dac_info) & 0x3;
887 		if (rev < 2) {
888 			bg = RBIOS8(dac_info + 0x2) & 0xf;
889 			dac = (RBIOS8(dac_info + 0x2) >> 4) & 0xf;
890 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
891 		} else {
892 			bg = RBIOS8(dac_info + 0x2) & 0xf;
893 			dac = RBIOS8(dac_info + 0x3) & 0xf;
894 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
895 		}
896 		/* if the values are zeros, use the table */
897 		if ((dac == 0) || (bg == 0))
898 			found = 0;
899 		else
900 			found = 1;
901 	}
902 
903 	/* quirks */
904 	/* Radeon 7000 (RV100) */
905 	if (((dev->pdev->device == 0x5159) &&
906 	    (dev->pdev->subsystem_vendor == 0x174B) &&
907 	    (dev->pdev->subsystem_device == 0x7c28)) ||
908 	/* Radeon 9100 (R200) */
909 	   ((dev->pdev->device == 0x514D) &&
910 	    (dev->pdev->subsystem_vendor == 0x174B) &&
911 	    (dev->pdev->subsystem_device == 0x7149))) {
912 		/* vbios value is bad, use the default */
913 		found = 0;
914 	}
915 
916 	if (!found) /* fallback to defaults */
917 		radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac);
918 
919 	return p_dac;
920 }
921 
922 enum radeon_tv_std
923 radeon_combios_get_tv_info(struct radeon_device *rdev)
924 {
925 	struct drm_device *dev = rdev->ddev;
926 	uint16_t tv_info;
927 	enum radeon_tv_std tv_std = TV_STD_NTSC;
928 
929 	tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
930 	if (tv_info) {
931 		if (RBIOS8(tv_info + 6) == 'T') {
932 			switch (RBIOS8(tv_info + 7) & 0xf) {
933 			case 1:
934 				tv_std = TV_STD_NTSC;
935 				DRM_DEBUG_KMS("Default TV standard: NTSC\n");
936 				break;
937 			case 2:
938 				tv_std = TV_STD_PAL;
939 				DRM_DEBUG_KMS("Default TV standard: PAL\n");
940 				break;
941 			case 3:
942 				tv_std = TV_STD_PAL_M;
943 				DRM_DEBUG_KMS("Default TV standard: PAL-M\n");
944 				break;
945 			case 4:
946 				tv_std = TV_STD_PAL_60;
947 				DRM_DEBUG_KMS("Default TV standard: PAL-60\n");
948 				break;
949 			case 5:
950 				tv_std = TV_STD_NTSC_J;
951 				DRM_DEBUG_KMS("Default TV standard: NTSC-J\n");
952 				break;
953 			case 6:
954 				tv_std = TV_STD_SCART_PAL;
955 				DRM_DEBUG_KMS("Default TV standard: SCART-PAL\n");
956 				break;
957 			default:
958 				tv_std = TV_STD_NTSC;
959 				DRM_DEBUG_KMS
960 				    ("Unknown TV standard; defaulting to NTSC\n");
961 				break;
962 			}
963 
964 			switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
965 			case 0:
966 				DRM_DEBUG_KMS("29.498928713 MHz TV ref clk\n");
967 				break;
968 			case 1:
969 				DRM_DEBUG_KMS("28.636360000 MHz TV ref clk\n");
970 				break;
971 			case 2:
972 				DRM_DEBUG_KMS("14.318180000 MHz TV ref clk\n");
973 				break;
974 			case 3:
975 				DRM_DEBUG_KMS("27.000000000 MHz TV ref clk\n");
976 				break;
977 			default:
978 				break;
979 			}
980 		}
981 	}
982 	return tv_std;
983 }
984 
985 static const uint32_t default_tvdac_adj[CHIP_LAST] = {
986 	0x00000000,		/* r100  */
987 	0x00280000,		/* rv100 */
988 	0x00000000,		/* rs100 */
989 	0x00880000,		/* rv200 */
990 	0x00000000,		/* rs200 */
991 	0x00000000,		/* r200  */
992 	0x00770000,		/* rv250 */
993 	0x00290000,		/* rs300 */
994 	0x00560000,		/* rv280 */
995 	0x00780000,		/* r300  */
996 	0x00770000,		/* r350  */
997 	0x00780000,		/* rv350 */
998 	0x00780000,		/* rv380 */
999 	0x01080000,		/* r420  */
1000 	0x01080000,		/* r423  */
1001 	0x01080000,		/* rv410 */
1002 	0x00780000,		/* rs400 */
1003 	0x00780000,		/* rs480 */
1004 };
1005 
1006 static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
1007 						     struct radeon_encoder_tv_dac *tv_dac)
1008 {
1009 	tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
1010 	if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
1011 		tv_dac->ps2_tvdac_adj = 0x00880000;
1012 	tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1013 	tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1014 	return;
1015 }
1016 
1017 struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
1018 							     radeon_encoder
1019 							     *encoder)
1020 {
1021 	struct drm_device *dev = encoder->base.dev;
1022 	struct radeon_device *rdev = dev->dev_private;
1023 	uint16_t dac_info;
1024 	uint8_t rev, bg, dac;
1025 	struct radeon_encoder_tv_dac *tv_dac = NULL;
1026 	int found = 0;
1027 
1028 	tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
1029 	if (!tv_dac)
1030 		return NULL;
1031 
1032 	/* first check TV table */
1033 	dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
1034 	if (dac_info) {
1035 		rev = RBIOS8(dac_info + 0x3);
1036 		if (rev > 4) {
1037 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1038 			dac = RBIOS8(dac_info + 0xd) & 0xf;
1039 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1040 
1041 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1042 			dac = RBIOS8(dac_info + 0xf) & 0xf;
1043 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1044 
1045 			bg = RBIOS8(dac_info + 0x10) & 0xf;
1046 			dac = RBIOS8(dac_info + 0x11) & 0xf;
1047 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1048 			/* if the values are all zeros, use the table */
1049 			if (tv_dac->ps2_tvdac_adj)
1050 				found = 1;
1051 		} else if (rev > 1) {
1052 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1053 			dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
1054 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1055 
1056 			bg = RBIOS8(dac_info + 0xd) & 0xf;
1057 			dac = (RBIOS8(dac_info + 0xd) >> 4) & 0xf;
1058 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1059 
1060 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1061 			dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
1062 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1063 			/* if the values are all zeros, use the table */
1064 			if (tv_dac->ps2_tvdac_adj)
1065 				found = 1;
1066 		}
1067 		tv_dac->tv_std = radeon_combios_get_tv_info(rdev);
1068 	}
1069 	if (!found) {
1070 		/* then check CRT table */
1071 		dac_info =
1072 		    combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
1073 		if (dac_info) {
1074 			rev = RBIOS8(dac_info) & 0x3;
1075 			if (rev < 2) {
1076 				bg = RBIOS8(dac_info + 0x3) & 0xf;
1077 				dac = (RBIOS8(dac_info + 0x3) >> 4) & 0xf;
1078 				tv_dac->ps2_tvdac_adj =
1079 				    (bg << 16) | (dac << 20);
1080 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1081 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1082 				/* if the values are all zeros, use the table */
1083 				if (tv_dac->ps2_tvdac_adj)
1084 					found = 1;
1085 			} else {
1086 				bg = RBIOS8(dac_info + 0x4) & 0xf;
1087 				dac = RBIOS8(dac_info + 0x5) & 0xf;
1088 				tv_dac->ps2_tvdac_adj =
1089 				    (bg << 16) | (dac << 20);
1090 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1091 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1092 				/* if the values are all zeros, use the table */
1093 				if (tv_dac->ps2_tvdac_adj)
1094 					found = 1;
1095 			}
1096 		} else {
1097 			DRM_INFO("No TV DAC info found in BIOS\n");
1098 		}
1099 	}
1100 
1101 	if (!found) /* fallback to defaults */
1102 		radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
1103 
1104 	return tv_dac;
1105 }
1106 
1107 static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
1108 									 radeon_device
1109 									 *rdev)
1110 {
1111 	struct radeon_encoder_lvds *lvds = NULL;
1112 	uint32_t fp_vert_stretch, fp_horz_stretch;
1113 	uint32_t ppll_div_sel, ppll_val;
1114 	uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
1115 
1116 	lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1117 
1118 	if (!lvds)
1119 		return NULL;
1120 
1121 	fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH);
1122 	fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH);
1123 
1124 	/* These should be fail-safe defaults, fingers crossed */
1125 	lvds->panel_pwr_delay = 200;
1126 	lvds->panel_vcc_delay = 2000;
1127 
1128 	lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
1129 	lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf;
1130 	lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf;
1131 
1132 	if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
1133 		lvds->native_mode.vdisplay =
1134 		    ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
1135 		     RADEON_VERT_PANEL_SHIFT) + 1;
1136 	else
1137 		lvds->native_mode.vdisplay =
1138 		    (RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;
1139 
1140 	if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
1141 		lvds->native_mode.hdisplay =
1142 		    (((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
1143 		      RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
1144 	else
1145 		lvds->native_mode.hdisplay =
1146 		    ((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;
1147 
1148 	if ((lvds->native_mode.hdisplay < 640) ||
1149 	    (lvds->native_mode.vdisplay < 480)) {
1150 		lvds->native_mode.hdisplay = 640;
1151 		lvds->native_mode.vdisplay = 480;
1152 	}
1153 
1154 	ppll_div_sel = RREG8(RADEON_CLOCK_CNTL_INDEX + 1) & 0x3;
1155 	ppll_val = RREG32_PLL(RADEON_PPLL_DIV_0 + ppll_div_sel);
1156 	if ((ppll_val & 0x000707ff) == 0x1bb)
1157 		lvds->use_bios_dividers = false;
1158 	else {
1159 		lvds->panel_ref_divider =
1160 		    RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
1161 		lvds->panel_post_divider = (ppll_val >> 16) & 0x7;
1162 		lvds->panel_fb_divider = ppll_val & 0x7ff;
1163 
1164 		if ((lvds->panel_ref_divider != 0) &&
1165 		    (lvds->panel_fb_divider > 3))
1166 			lvds->use_bios_dividers = true;
1167 	}
1168 	lvds->panel_vcc_delay = 200;
1169 
1170 	DRM_INFO("Panel info derived from registers\n");
1171 	DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1172 		 lvds->native_mode.vdisplay);
1173 
1174 	return lvds;
1175 }
1176 
1177 struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
1178 							 *encoder)
1179 {
1180 	struct drm_device *dev = encoder->base.dev;
1181 	struct radeon_device *rdev = dev->dev_private;
1182 	uint16_t lcd_info;
1183 	uint32_t panel_setup;
1184 	char stmp[30];
1185 	int tmp, i;
1186 	struct radeon_encoder_lvds *lvds = NULL;
1187 
1188 	lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
1189 
1190 	if (lcd_info) {
1191 		lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1192 
1193 		if (!lvds)
1194 			return NULL;
1195 
1196 		for (i = 0; i < 24; i++)
1197 			stmp[i] = RBIOS8(lcd_info + i + 1);
1198 		stmp[24] = 0;
1199 
1200 		DRM_INFO("Panel ID String: %s\n", stmp);
1201 
1202 		lvds->native_mode.hdisplay = RBIOS16(lcd_info + 0x19);
1203 		lvds->native_mode.vdisplay = RBIOS16(lcd_info + 0x1b);
1204 
1205 		DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1206 			 lvds->native_mode.vdisplay);
1207 
1208 		lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
1209 		lvds->panel_vcc_delay = min_t(u16, lvds->panel_vcc_delay, 2000);
1210 
1211 		lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24);
1212 		lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf;
1213 		lvds->panel_blon_delay = (RBIOS16(lcd_info + 0x38) >> 4) & 0xf;
1214 
1215 		lvds->panel_ref_divider = RBIOS16(lcd_info + 0x2e);
1216 		lvds->panel_post_divider = RBIOS8(lcd_info + 0x30);
1217 		lvds->panel_fb_divider = RBIOS16(lcd_info + 0x31);
1218 		if ((lvds->panel_ref_divider != 0) &&
1219 		    (lvds->panel_fb_divider > 3))
1220 			lvds->use_bios_dividers = true;
1221 
1222 		panel_setup = RBIOS32(lcd_info + 0x39);
1223 		lvds->lvds_gen_cntl = 0xff00;
1224 		if (panel_setup & 0x1)
1225 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
1226 
1227 		if ((panel_setup >> 4) & 0x1)
1228 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
1229 
1230 		switch ((panel_setup >> 8) & 0x7) {
1231 		case 0:
1232 			lvds->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
1233 			break;
1234 		case 1:
1235 			lvds->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
1236 			break;
1237 		case 2:
1238 			lvds->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
1239 			break;
1240 		default:
1241 			break;
1242 		}
1243 
1244 		if ((panel_setup >> 16) & 0x1)
1245 			lvds->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
1246 
1247 		if ((panel_setup >> 17) & 0x1)
1248 			lvds->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
1249 
1250 		if ((panel_setup >> 18) & 0x1)
1251 			lvds->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
1252 
1253 		if ((panel_setup >> 23) & 0x1)
1254 			lvds->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
1255 
1256 		lvds->lvds_gen_cntl |= (panel_setup & 0xf0000000);
1257 
1258 		for (i = 0; i < 32; i++) {
1259 			tmp = RBIOS16(lcd_info + 64 + i * 2);
1260 			if (tmp == 0)
1261 				break;
1262 
1263 			if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
1264 			    (RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) {
1265 				lvds->native_mode.htotal = lvds->native_mode.hdisplay +
1266 					(RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8;
1267 				lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
1268 					(RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8;
1269 				lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
1270 					(RBIOS8(tmp + 23) * 8);
1271 
1272 				lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
1273 					(RBIOS16(tmp + 24) - RBIOS16(tmp + 26));
1274 				lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
1275 					((RBIOS16(tmp + 28) & 0x7ff) - RBIOS16(tmp + 26));
1276 				lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
1277 					((RBIOS16(tmp + 28) & 0xf800) >> 11);
1278 
1279 				lvds->native_mode.clock = RBIOS16(tmp + 9) * 10;
1280 				lvds->native_mode.flags = 0;
1281 				/* set crtc values */
1282 				drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
1283 
1284 			}
1285 		}
1286 	} else {
1287 		DRM_INFO("No panel info found in BIOS\n");
1288 		lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
1289 	}
1290 
1291 	if (lvds)
1292 		encoder->native_mode = lvds->native_mode;
1293 	return lvds;
1294 }
1295 
1296 static const struct radeon_tmds_pll default_tmds_pll[CHIP_LAST][4] = {
1297 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R100  */
1298 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV100 */
1299 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS100 */
1300 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV200 */
1301 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RS200 */
1302 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R200  */
1303 	{{15500, 0x81b}, {0xffffffff, 0x83f}, {0, 0}, {0, 0}},	/* CHIP_RV250 */
1304 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS300 */
1305 	{{13000, 0x400f4}, {15000, 0x400f7}, {0xffffffff, 0x40111}, {0, 0}},	/* CHIP_RV280 */
1306 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R300  */
1307 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R350  */
1308 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV350 */
1309 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV380 */
1310 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R420  */
1311 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R423  */
1312 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RV410 */
1313 	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS400 */
1314 	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS480 */
1315 };
1316 
1317 bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
1318 					    struct radeon_encoder_int_tmds *tmds)
1319 {
1320 	struct drm_device *dev = encoder->base.dev;
1321 	struct radeon_device *rdev = dev->dev_private;
1322 	int i;
1323 
1324 	for (i = 0; i < 4; i++) {
1325 		tmds->tmds_pll[i].value =
1326 			default_tmds_pll[rdev->family][i].value;
1327 		tmds->tmds_pll[i].freq = default_tmds_pll[rdev->family][i].freq;
1328 	}
1329 
1330 	return true;
1331 }
1332 
1333 bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
1334 					      struct radeon_encoder_int_tmds *tmds)
1335 {
1336 	struct drm_device *dev = encoder->base.dev;
1337 	struct radeon_device *rdev = dev->dev_private;
1338 	uint16_t tmds_info;
1339 	int i, n;
1340 	uint8_t ver;
1341 
1342 	tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1343 
1344 	if (tmds_info) {
1345 		ver = RBIOS8(tmds_info);
1346 		DRM_DEBUG_KMS("DFP table revision: %d\n", ver);
1347 		if (ver == 3) {
1348 			n = RBIOS8(tmds_info + 5) + 1;
1349 			if (n > 4)
1350 				n = 4;
1351 			for (i = 0; i < n; i++) {
1352 				tmds->tmds_pll[i].value =
1353 				    RBIOS32(tmds_info + i * 10 + 0x08);
1354 				tmds->tmds_pll[i].freq =
1355 				    RBIOS16(tmds_info + i * 10 + 0x10);
1356 				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1357 					  tmds->tmds_pll[i].freq,
1358 					  tmds->tmds_pll[i].value);
1359 			}
1360 		} else if (ver == 4) {
1361 			int stride = 0;
1362 			n = RBIOS8(tmds_info + 5) + 1;
1363 			if (n > 4)
1364 				n = 4;
1365 			for (i = 0; i < n; i++) {
1366 				tmds->tmds_pll[i].value =
1367 				    RBIOS32(tmds_info + stride + 0x08);
1368 				tmds->tmds_pll[i].freq =
1369 				    RBIOS16(tmds_info + stride + 0x10);
1370 				if (i == 0)
1371 					stride += 10;
1372 				else
1373 					stride += 6;
1374 				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1375 					  tmds->tmds_pll[i].freq,
1376 					  tmds->tmds_pll[i].value);
1377 			}
1378 		}
1379 	} else {
1380 		DRM_INFO("No TMDS info found in BIOS\n");
1381 		return false;
1382 	}
1383 	return true;
1384 }
1385 
1386 bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
1387 						struct radeon_encoder_ext_tmds *tmds)
1388 {
1389 	struct drm_device *dev = encoder->base.dev;
1390 	struct radeon_device *rdev = dev->dev_private;
1391 	struct radeon_i2c_bus_rec i2c_bus;
1392 
1393 	/* default for macs */
1394 	i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1395 	tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1396 
1397 	/* XXX some macs have duallink chips */
1398 	switch (rdev->mode_info.connector_table) {
1399 	case CT_POWERBOOK_EXTERNAL:
1400 	case CT_MINI_EXTERNAL:
1401 	default:
1402 		tmds->dvo_chip = DVO_SIL164;
1403 		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1404 		break;
1405 	}
1406 
1407 	return true;
1408 }
1409 
1410 bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
1411 						  struct radeon_encoder_ext_tmds *tmds)
1412 {
1413 	struct drm_device *dev = encoder->base.dev;
1414 	struct radeon_device *rdev = dev->dev_private;
1415 	uint16_t offset;
1416 	uint8_t ver;
1417 	enum radeon_combios_ddc gpio;
1418 	struct radeon_i2c_bus_rec i2c_bus;
1419 
1420 	tmds->i2c_bus = NULL;
1421 	if (rdev->flags & RADEON_IS_IGP) {
1422 		i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1423 		tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1424 		tmds->dvo_chip = DVO_SIL164;
1425 		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1426 	} else {
1427 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
1428 		if (offset) {
1429 			ver = RBIOS8(offset);
1430 			DRM_DEBUG_KMS("External TMDS Table revision: %d\n", ver);
1431 			tmds->slave_addr = RBIOS8(offset + 4 + 2);
1432 			tmds->slave_addr >>= 1; /* 7 bit addressing */
1433 			gpio = RBIOS8(offset + 4 + 3);
1434 			if (gpio == DDC_LCD) {
1435 				/* MM i2c */
1436 				i2c_bus.valid = true;
1437 				i2c_bus.hw_capable = true;
1438 				i2c_bus.mm_i2c = true;
1439 				i2c_bus.i2c_id = 0xa0;
1440 			} else
1441 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
1442 			tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1443 		}
1444 	}
1445 
1446 	if (!tmds->i2c_bus) {
1447 		DRM_INFO("No valid Ext TMDS info found in BIOS\n");
1448 		return false;
1449 	}
1450 
1451 	return true;
1452 }
1453 
1454 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
1455 {
1456 	struct radeon_device *rdev = dev->dev_private;
1457 	struct radeon_i2c_bus_rec ddc_i2c;
1458 	struct radeon_hpd hpd;
1459 
1460 	rdev->mode_info.connector_table = radeon_connector_table;
1461 	if (rdev->mode_info.connector_table == CT_NONE) {
1462 #ifdef __macppc__
1463 		if (of_machine_is_compatible("PowerBook3,3")) {
1464 			/* powerbook with VGA */
1465 			rdev->mode_info.connector_table = CT_POWERBOOK_VGA;
1466 		} else if (of_machine_is_compatible("PowerBook3,4") ||
1467 			   of_machine_is_compatible("PowerBook3,5")) {
1468 			/* powerbook with internal tmds */
1469 			rdev->mode_info.connector_table = CT_POWERBOOK_INTERNAL;
1470 		} else if (of_machine_is_compatible("PowerBook5,1") ||
1471 			   of_machine_is_compatible("PowerBook5,2") ||
1472 			   of_machine_is_compatible("PowerBook5,3") ||
1473 			   of_machine_is_compatible("PowerBook5,4") ||
1474 			   of_machine_is_compatible("PowerBook5,5")) {
1475 			/* powerbook with external single link tmds (sil164) */
1476 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1477 		} else if (of_machine_is_compatible("PowerBook5,6")) {
1478 			/* powerbook with external dual or single link tmds */
1479 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1480 		} else if (of_machine_is_compatible("PowerBook5,7") ||
1481 			   of_machine_is_compatible("PowerBook5,8") ||
1482 			   of_machine_is_compatible("PowerBook5,9")) {
1483 			/* PowerBook6,2 ? */
1484 			/* powerbook with external dual link tmds (sil1178?) */
1485 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1486 		} else if (of_machine_is_compatible("PowerBook4,1") ||
1487 			   of_machine_is_compatible("PowerBook4,2") ||
1488 			   of_machine_is_compatible("PowerBook4,3") ||
1489 			   of_machine_is_compatible("PowerBook6,3") ||
1490 			   of_machine_is_compatible("PowerBook6,5") ||
1491 			   of_machine_is_compatible("PowerBook6,7")) {
1492 			/* ibook */
1493 			rdev->mode_info.connector_table = CT_IBOOK;
1494 		} else if (of_machine_is_compatible("PowerMac3,5")) {
1495 			/* PowerMac G4 Silver radeon 7500 */
1496 			rdev->mode_info.connector_table = CT_MAC_G4_SILVER;
1497 		} else if (of_machine_is_compatible("PowerMac4,4")) {
1498 			/* emac */
1499 			rdev->mode_info.connector_table = CT_EMAC;
1500 		} else if (of_machine_is_compatible("PowerMac10,1")) {
1501 			/* mini with internal tmds */
1502 			rdev->mode_info.connector_table = CT_MINI_INTERNAL;
1503 		} else if (of_machine_is_compatible("PowerMac10,2")) {
1504 			/* mini with external tmds */
1505 			rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
1506 		} else if (of_machine_is_compatible("PowerMac12,1")) {
1507 			/* PowerMac8,1 ? */
1508 			/* imac g5 isight */
1509 			rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
1510 		} else if ((rdev->pdev->device == 0x4a48) &&
1511 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1512 			   (rdev->pdev->subsystem_device == 0x4a48)) {
1513 			/* Mac X800 */
1514 			rdev->mode_info.connector_table = CT_MAC_X800;
1515 		} else if ((of_machine_is_compatible("PowerMac7,2") ||
1516 			    of_machine_is_compatible("PowerMac7,3")) &&
1517 			   (rdev->pdev->device == 0x4150) &&
1518 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1519 			   (rdev->pdev->subsystem_device == 0x4150)) {
1520 			/* Mac G5 tower 9600 */
1521 			rdev->mode_info.connector_table = CT_MAC_G5_9600;
1522 		} else if ((rdev->pdev->device == 0x4c66) &&
1523 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1524 			   (rdev->pdev->subsystem_device == 0x4c66)) {
1525 			/* SAM440ep RV250 embedded board */
1526 			rdev->mode_info.connector_table = CT_SAM440EP;
1527 		} else
1528 #endif /* __macppc__ */
1529 #ifdef CONFIG_PPC64
1530 		if (ASIC_IS_RN50(rdev))
1531 			rdev->mode_info.connector_table = CT_RN50_POWER;
1532 		else
1533 #endif
1534 			rdev->mode_info.connector_table = CT_GENERIC;
1535 	}
1536 
1537 	switch (rdev->mode_info.connector_table) {
1538 	case CT_GENERIC:
1539 		DRM_INFO("Connector Table: %d (generic)\n",
1540 			 rdev->mode_info.connector_table);
1541 		/* these are the most common settings */
1542 		if (rdev->flags & RADEON_SINGLE_CRTC) {
1543 			/* VGA - primary dac */
1544 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1545 			hpd.hpd = RADEON_HPD_NONE;
1546 			radeon_add_legacy_encoder(dev,
1547 						  radeon_get_encoder_enum(dev,
1548 									ATOM_DEVICE_CRT1_SUPPORT,
1549 									1),
1550 						  ATOM_DEVICE_CRT1_SUPPORT);
1551 			radeon_add_legacy_connector(dev, 0,
1552 						    ATOM_DEVICE_CRT1_SUPPORT,
1553 						    DRM_MODE_CONNECTOR_VGA,
1554 						    &ddc_i2c,
1555 						    CONNECTOR_OBJECT_ID_VGA,
1556 						    &hpd);
1557 		} else if (rdev->flags & RADEON_IS_MOBILITY) {
1558 			/* LVDS */
1559 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
1560 			hpd.hpd = RADEON_HPD_NONE;
1561 			radeon_add_legacy_encoder(dev,
1562 						  radeon_get_encoder_enum(dev,
1563 									ATOM_DEVICE_LCD1_SUPPORT,
1564 									0),
1565 						  ATOM_DEVICE_LCD1_SUPPORT);
1566 			radeon_add_legacy_connector(dev, 0,
1567 						    ATOM_DEVICE_LCD1_SUPPORT,
1568 						    DRM_MODE_CONNECTOR_LVDS,
1569 						    &ddc_i2c,
1570 						    CONNECTOR_OBJECT_ID_LVDS,
1571 						    &hpd);
1572 
1573 			/* VGA - primary dac */
1574 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1575 			hpd.hpd = RADEON_HPD_NONE;
1576 			radeon_add_legacy_encoder(dev,
1577 						  radeon_get_encoder_enum(dev,
1578 									ATOM_DEVICE_CRT1_SUPPORT,
1579 									1),
1580 						  ATOM_DEVICE_CRT1_SUPPORT);
1581 			radeon_add_legacy_connector(dev, 1,
1582 						    ATOM_DEVICE_CRT1_SUPPORT,
1583 						    DRM_MODE_CONNECTOR_VGA,
1584 						    &ddc_i2c,
1585 						    CONNECTOR_OBJECT_ID_VGA,
1586 						    &hpd);
1587 		} else {
1588 			/* DVI-I - tv dac, int tmds */
1589 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1590 			hpd.hpd = RADEON_HPD_1;
1591 			radeon_add_legacy_encoder(dev,
1592 						  radeon_get_encoder_enum(dev,
1593 									ATOM_DEVICE_DFP1_SUPPORT,
1594 									0),
1595 						  ATOM_DEVICE_DFP1_SUPPORT);
1596 			radeon_add_legacy_encoder(dev,
1597 						  radeon_get_encoder_enum(dev,
1598 									ATOM_DEVICE_CRT2_SUPPORT,
1599 									2),
1600 						  ATOM_DEVICE_CRT2_SUPPORT);
1601 			radeon_add_legacy_connector(dev, 0,
1602 						    ATOM_DEVICE_DFP1_SUPPORT |
1603 						    ATOM_DEVICE_CRT2_SUPPORT,
1604 						    DRM_MODE_CONNECTOR_DVII,
1605 						    &ddc_i2c,
1606 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1607 						    &hpd);
1608 
1609 			/* VGA - primary dac */
1610 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1611 			hpd.hpd = RADEON_HPD_NONE;
1612 			radeon_add_legacy_encoder(dev,
1613 						  radeon_get_encoder_enum(dev,
1614 									ATOM_DEVICE_CRT1_SUPPORT,
1615 									1),
1616 						  ATOM_DEVICE_CRT1_SUPPORT);
1617 			radeon_add_legacy_connector(dev, 1,
1618 						    ATOM_DEVICE_CRT1_SUPPORT,
1619 						    DRM_MODE_CONNECTOR_VGA,
1620 						    &ddc_i2c,
1621 						    CONNECTOR_OBJECT_ID_VGA,
1622 						    &hpd);
1623 		}
1624 
1625 		if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1626 			/* TV - tv dac */
1627 			ddc_i2c.valid = false;
1628 			hpd.hpd = RADEON_HPD_NONE;
1629 			radeon_add_legacy_encoder(dev,
1630 						  radeon_get_encoder_enum(dev,
1631 									ATOM_DEVICE_TV1_SUPPORT,
1632 									2),
1633 						  ATOM_DEVICE_TV1_SUPPORT);
1634 			radeon_add_legacy_connector(dev, 2,
1635 						    ATOM_DEVICE_TV1_SUPPORT,
1636 						    DRM_MODE_CONNECTOR_SVIDEO,
1637 						    &ddc_i2c,
1638 						    CONNECTOR_OBJECT_ID_SVIDEO,
1639 						    &hpd);
1640 		}
1641 		break;
1642 	case CT_IBOOK:
1643 		DRM_INFO("Connector Table: %d (ibook)\n",
1644 			 rdev->mode_info.connector_table);
1645 		/* LVDS */
1646 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1647 		hpd.hpd = RADEON_HPD_NONE;
1648 		radeon_add_legacy_encoder(dev,
1649 					  radeon_get_encoder_enum(dev,
1650 								ATOM_DEVICE_LCD1_SUPPORT,
1651 								0),
1652 					  ATOM_DEVICE_LCD1_SUPPORT);
1653 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1654 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1655 					    CONNECTOR_OBJECT_ID_LVDS,
1656 					    &hpd);
1657 		/* VGA - TV DAC */
1658 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1659 		hpd.hpd = RADEON_HPD_NONE;
1660 		radeon_add_legacy_encoder(dev,
1661 					  radeon_get_encoder_enum(dev,
1662 								ATOM_DEVICE_CRT2_SUPPORT,
1663 								2),
1664 					  ATOM_DEVICE_CRT2_SUPPORT);
1665 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1666 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1667 					    CONNECTOR_OBJECT_ID_VGA,
1668 					    &hpd);
1669 		/* TV - TV DAC */
1670 		ddc_i2c.valid = false;
1671 		hpd.hpd = RADEON_HPD_NONE;
1672 		radeon_add_legacy_encoder(dev,
1673 					  radeon_get_encoder_enum(dev,
1674 								ATOM_DEVICE_TV1_SUPPORT,
1675 								2),
1676 					  ATOM_DEVICE_TV1_SUPPORT);
1677 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1678 					    DRM_MODE_CONNECTOR_SVIDEO,
1679 					    &ddc_i2c,
1680 					    CONNECTOR_OBJECT_ID_SVIDEO,
1681 					    &hpd);
1682 		break;
1683 	case CT_POWERBOOK_EXTERNAL:
1684 		DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
1685 			 rdev->mode_info.connector_table);
1686 		/* LVDS */
1687 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1688 		hpd.hpd = RADEON_HPD_NONE;
1689 		radeon_add_legacy_encoder(dev,
1690 					  radeon_get_encoder_enum(dev,
1691 								ATOM_DEVICE_LCD1_SUPPORT,
1692 								0),
1693 					  ATOM_DEVICE_LCD1_SUPPORT);
1694 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1695 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1696 					    CONNECTOR_OBJECT_ID_LVDS,
1697 					    &hpd);
1698 		/* DVI-I - primary dac, ext tmds */
1699 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1700 		hpd.hpd = RADEON_HPD_2; /* ??? */
1701 		radeon_add_legacy_encoder(dev,
1702 					  radeon_get_encoder_enum(dev,
1703 								ATOM_DEVICE_DFP2_SUPPORT,
1704 								0),
1705 					  ATOM_DEVICE_DFP2_SUPPORT);
1706 		radeon_add_legacy_encoder(dev,
1707 					  radeon_get_encoder_enum(dev,
1708 								ATOM_DEVICE_CRT1_SUPPORT,
1709 								1),
1710 					  ATOM_DEVICE_CRT1_SUPPORT);
1711 		/* XXX some are SL */
1712 		radeon_add_legacy_connector(dev, 1,
1713 					    ATOM_DEVICE_DFP2_SUPPORT |
1714 					    ATOM_DEVICE_CRT1_SUPPORT,
1715 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1716 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
1717 					    &hpd);
1718 		/* TV - TV DAC */
1719 		ddc_i2c.valid = false;
1720 		hpd.hpd = RADEON_HPD_NONE;
1721 		radeon_add_legacy_encoder(dev,
1722 					  radeon_get_encoder_enum(dev,
1723 								ATOM_DEVICE_TV1_SUPPORT,
1724 								2),
1725 					  ATOM_DEVICE_TV1_SUPPORT);
1726 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1727 					    DRM_MODE_CONNECTOR_SVIDEO,
1728 					    &ddc_i2c,
1729 					    CONNECTOR_OBJECT_ID_SVIDEO,
1730 					    &hpd);
1731 		break;
1732 	case CT_POWERBOOK_INTERNAL:
1733 		DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
1734 			 rdev->mode_info.connector_table);
1735 		/* LVDS */
1736 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1737 		hpd.hpd = RADEON_HPD_NONE;
1738 		radeon_add_legacy_encoder(dev,
1739 					  radeon_get_encoder_enum(dev,
1740 								ATOM_DEVICE_LCD1_SUPPORT,
1741 								0),
1742 					  ATOM_DEVICE_LCD1_SUPPORT);
1743 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1744 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1745 					    CONNECTOR_OBJECT_ID_LVDS,
1746 					    &hpd);
1747 		/* DVI-I - primary dac, int tmds */
1748 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1749 		hpd.hpd = RADEON_HPD_1; /* ??? */
1750 		radeon_add_legacy_encoder(dev,
1751 					  radeon_get_encoder_enum(dev,
1752 								ATOM_DEVICE_DFP1_SUPPORT,
1753 								0),
1754 					  ATOM_DEVICE_DFP1_SUPPORT);
1755 		radeon_add_legacy_encoder(dev,
1756 					  radeon_get_encoder_enum(dev,
1757 								ATOM_DEVICE_CRT1_SUPPORT,
1758 								1),
1759 					  ATOM_DEVICE_CRT1_SUPPORT);
1760 		radeon_add_legacy_connector(dev, 1,
1761 					    ATOM_DEVICE_DFP1_SUPPORT |
1762 					    ATOM_DEVICE_CRT1_SUPPORT,
1763 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1764 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1765 					    &hpd);
1766 		/* TV - TV DAC */
1767 		ddc_i2c.valid = false;
1768 		hpd.hpd = RADEON_HPD_NONE;
1769 		radeon_add_legacy_encoder(dev,
1770 					  radeon_get_encoder_enum(dev,
1771 								ATOM_DEVICE_TV1_SUPPORT,
1772 								2),
1773 					  ATOM_DEVICE_TV1_SUPPORT);
1774 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1775 					    DRM_MODE_CONNECTOR_SVIDEO,
1776 					    &ddc_i2c,
1777 					    CONNECTOR_OBJECT_ID_SVIDEO,
1778 					    &hpd);
1779 		break;
1780 	case CT_POWERBOOK_VGA:
1781 		DRM_INFO("Connector Table: %d (powerbook vga)\n",
1782 			 rdev->mode_info.connector_table);
1783 		/* LVDS */
1784 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1785 		hpd.hpd = RADEON_HPD_NONE;
1786 		radeon_add_legacy_encoder(dev,
1787 					  radeon_get_encoder_enum(dev,
1788 								ATOM_DEVICE_LCD1_SUPPORT,
1789 								0),
1790 					  ATOM_DEVICE_LCD1_SUPPORT);
1791 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1792 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1793 					    CONNECTOR_OBJECT_ID_LVDS,
1794 					    &hpd);
1795 		/* VGA - primary dac */
1796 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1797 		hpd.hpd = RADEON_HPD_NONE;
1798 		radeon_add_legacy_encoder(dev,
1799 					  radeon_get_encoder_enum(dev,
1800 								ATOM_DEVICE_CRT1_SUPPORT,
1801 								1),
1802 					  ATOM_DEVICE_CRT1_SUPPORT);
1803 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
1804 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1805 					    CONNECTOR_OBJECT_ID_VGA,
1806 					    &hpd);
1807 		/* TV - TV DAC */
1808 		ddc_i2c.valid = false;
1809 		hpd.hpd = RADEON_HPD_NONE;
1810 		radeon_add_legacy_encoder(dev,
1811 					  radeon_get_encoder_enum(dev,
1812 								ATOM_DEVICE_TV1_SUPPORT,
1813 								2),
1814 					  ATOM_DEVICE_TV1_SUPPORT);
1815 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1816 					    DRM_MODE_CONNECTOR_SVIDEO,
1817 					    &ddc_i2c,
1818 					    CONNECTOR_OBJECT_ID_SVIDEO,
1819 					    &hpd);
1820 		break;
1821 	case CT_MINI_EXTERNAL:
1822 		DRM_INFO("Connector Table: %d (mini external tmds)\n",
1823 			 rdev->mode_info.connector_table);
1824 		/* DVI-I - tv dac, ext tmds */
1825 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1826 		hpd.hpd = RADEON_HPD_2; /* ??? */
1827 		radeon_add_legacy_encoder(dev,
1828 					  radeon_get_encoder_enum(dev,
1829 								ATOM_DEVICE_DFP2_SUPPORT,
1830 								0),
1831 					  ATOM_DEVICE_DFP2_SUPPORT);
1832 		radeon_add_legacy_encoder(dev,
1833 					  radeon_get_encoder_enum(dev,
1834 								ATOM_DEVICE_CRT2_SUPPORT,
1835 								2),
1836 					  ATOM_DEVICE_CRT2_SUPPORT);
1837 		/* XXX are any DL? */
1838 		radeon_add_legacy_connector(dev, 0,
1839 					    ATOM_DEVICE_DFP2_SUPPORT |
1840 					    ATOM_DEVICE_CRT2_SUPPORT,
1841 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1842 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1843 					    &hpd);
1844 		/* TV - TV DAC */
1845 		ddc_i2c.valid = false;
1846 		hpd.hpd = RADEON_HPD_NONE;
1847 		radeon_add_legacy_encoder(dev,
1848 					  radeon_get_encoder_enum(dev,
1849 								ATOM_DEVICE_TV1_SUPPORT,
1850 								2),
1851 					  ATOM_DEVICE_TV1_SUPPORT);
1852 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1853 					    DRM_MODE_CONNECTOR_SVIDEO,
1854 					    &ddc_i2c,
1855 					    CONNECTOR_OBJECT_ID_SVIDEO,
1856 					    &hpd);
1857 		break;
1858 	case CT_MINI_INTERNAL:
1859 		DRM_INFO("Connector Table: %d (mini internal tmds)\n",
1860 			 rdev->mode_info.connector_table);
1861 		/* DVI-I - tv dac, int tmds */
1862 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1863 		hpd.hpd = RADEON_HPD_1; /* ??? */
1864 		radeon_add_legacy_encoder(dev,
1865 					  radeon_get_encoder_enum(dev,
1866 								ATOM_DEVICE_DFP1_SUPPORT,
1867 								0),
1868 					  ATOM_DEVICE_DFP1_SUPPORT);
1869 		radeon_add_legacy_encoder(dev,
1870 					  radeon_get_encoder_enum(dev,
1871 								ATOM_DEVICE_CRT2_SUPPORT,
1872 								2),
1873 					  ATOM_DEVICE_CRT2_SUPPORT);
1874 		radeon_add_legacy_connector(dev, 0,
1875 					    ATOM_DEVICE_DFP1_SUPPORT |
1876 					    ATOM_DEVICE_CRT2_SUPPORT,
1877 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1878 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1879 					    &hpd);
1880 		/* TV - TV DAC */
1881 		ddc_i2c.valid = false;
1882 		hpd.hpd = RADEON_HPD_NONE;
1883 		radeon_add_legacy_encoder(dev,
1884 					  radeon_get_encoder_enum(dev,
1885 								ATOM_DEVICE_TV1_SUPPORT,
1886 								2),
1887 					  ATOM_DEVICE_TV1_SUPPORT);
1888 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1889 					    DRM_MODE_CONNECTOR_SVIDEO,
1890 					    &ddc_i2c,
1891 					    CONNECTOR_OBJECT_ID_SVIDEO,
1892 					    &hpd);
1893 		break;
1894 	case CT_IMAC_G5_ISIGHT:
1895 		DRM_INFO("Connector Table: %d (imac g5 isight)\n",
1896 			 rdev->mode_info.connector_table);
1897 		/* DVI-D - int tmds */
1898 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1899 		hpd.hpd = RADEON_HPD_1; /* ??? */
1900 		radeon_add_legacy_encoder(dev,
1901 					  radeon_get_encoder_enum(dev,
1902 								ATOM_DEVICE_DFP1_SUPPORT,
1903 								0),
1904 					  ATOM_DEVICE_DFP1_SUPPORT);
1905 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
1906 					    DRM_MODE_CONNECTOR_DVID, &ddc_i2c,
1907 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
1908 					    &hpd);
1909 		/* VGA - tv dac */
1910 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1911 		hpd.hpd = RADEON_HPD_NONE;
1912 		radeon_add_legacy_encoder(dev,
1913 					  radeon_get_encoder_enum(dev,
1914 								ATOM_DEVICE_CRT2_SUPPORT,
1915 								2),
1916 					  ATOM_DEVICE_CRT2_SUPPORT);
1917 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1918 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1919 					    CONNECTOR_OBJECT_ID_VGA,
1920 					    &hpd);
1921 		/* TV - TV DAC */
1922 		ddc_i2c.valid = false;
1923 		hpd.hpd = RADEON_HPD_NONE;
1924 		radeon_add_legacy_encoder(dev,
1925 					  radeon_get_encoder_enum(dev,
1926 								ATOM_DEVICE_TV1_SUPPORT,
1927 								2),
1928 					  ATOM_DEVICE_TV1_SUPPORT);
1929 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1930 					    DRM_MODE_CONNECTOR_SVIDEO,
1931 					    &ddc_i2c,
1932 					    CONNECTOR_OBJECT_ID_SVIDEO,
1933 					    &hpd);
1934 		break;
1935 	case CT_EMAC:
1936 		DRM_INFO("Connector Table: %d (emac)\n",
1937 			 rdev->mode_info.connector_table);
1938 		/* VGA - primary dac */
1939 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1940 		hpd.hpd = RADEON_HPD_NONE;
1941 		radeon_add_legacy_encoder(dev,
1942 					  radeon_get_encoder_enum(dev,
1943 								ATOM_DEVICE_CRT1_SUPPORT,
1944 								1),
1945 					  ATOM_DEVICE_CRT1_SUPPORT);
1946 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1947 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1948 					    CONNECTOR_OBJECT_ID_VGA,
1949 					    &hpd);
1950 		/* VGA - tv dac */
1951 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1952 		hpd.hpd = RADEON_HPD_NONE;
1953 		radeon_add_legacy_encoder(dev,
1954 					  radeon_get_encoder_enum(dev,
1955 								ATOM_DEVICE_CRT2_SUPPORT,
1956 								2),
1957 					  ATOM_DEVICE_CRT2_SUPPORT);
1958 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1959 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1960 					    CONNECTOR_OBJECT_ID_VGA,
1961 					    &hpd);
1962 		/* TV - TV DAC */
1963 		ddc_i2c.valid = false;
1964 		hpd.hpd = RADEON_HPD_NONE;
1965 		radeon_add_legacy_encoder(dev,
1966 					  radeon_get_encoder_enum(dev,
1967 								ATOM_DEVICE_TV1_SUPPORT,
1968 								2),
1969 					  ATOM_DEVICE_TV1_SUPPORT);
1970 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1971 					    DRM_MODE_CONNECTOR_SVIDEO,
1972 					    &ddc_i2c,
1973 					    CONNECTOR_OBJECT_ID_SVIDEO,
1974 					    &hpd);
1975 		break;
1976 	case CT_RN50_POWER:
1977 		DRM_INFO("Connector Table: %d (rn50-power)\n",
1978 			 rdev->mode_info.connector_table);
1979 		/* VGA - primary dac */
1980 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1981 		hpd.hpd = RADEON_HPD_NONE;
1982 		radeon_add_legacy_encoder(dev,
1983 					  radeon_get_encoder_enum(dev,
1984 								ATOM_DEVICE_CRT1_SUPPORT,
1985 								1),
1986 					  ATOM_DEVICE_CRT1_SUPPORT);
1987 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1988 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1989 					    CONNECTOR_OBJECT_ID_VGA,
1990 					    &hpd);
1991 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1992 		hpd.hpd = RADEON_HPD_NONE;
1993 		radeon_add_legacy_encoder(dev,
1994 					  radeon_get_encoder_enum(dev,
1995 								ATOM_DEVICE_CRT2_SUPPORT,
1996 								2),
1997 					  ATOM_DEVICE_CRT2_SUPPORT);
1998 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1999 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2000 					    CONNECTOR_OBJECT_ID_VGA,
2001 					    &hpd);
2002 		break;
2003 	case CT_MAC_X800:
2004 		DRM_INFO("Connector Table: %d (mac x800)\n",
2005 			 rdev->mode_info.connector_table);
2006 		/* DVI - primary dac, internal tmds */
2007 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2008 		hpd.hpd = RADEON_HPD_1; /* ??? */
2009 		radeon_add_legacy_encoder(dev,
2010 					  radeon_get_encoder_enum(dev,
2011 								  ATOM_DEVICE_DFP1_SUPPORT,
2012 								  0),
2013 					  ATOM_DEVICE_DFP1_SUPPORT);
2014 		radeon_add_legacy_encoder(dev,
2015 					  radeon_get_encoder_enum(dev,
2016 								  ATOM_DEVICE_CRT1_SUPPORT,
2017 								  1),
2018 					  ATOM_DEVICE_CRT1_SUPPORT);
2019 		radeon_add_legacy_connector(dev, 0,
2020 					    ATOM_DEVICE_DFP1_SUPPORT |
2021 					    ATOM_DEVICE_CRT1_SUPPORT,
2022 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2023 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2024 					    &hpd);
2025 		/* DVI - tv dac, dvo */
2026 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2027 		hpd.hpd = RADEON_HPD_2; /* ??? */
2028 		radeon_add_legacy_encoder(dev,
2029 					  radeon_get_encoder_enum(dev,
2030 								  ATOM_DEVICE_DFP2_SUPPORT,
2031 								  0),
2032 					  ATOM_DEVICE_DFP2_SUPPORT);
2033 		radeon_add_legacy_encoder(dev,
2034 					  radeon_get_encoder_enum(dev,
2035 								  ATOM_DEVICE_CRT2_SUPPORT,
2036 								  2),
2037 					  ATOM_DEVICE_CRT2_SUPPORT);
2038 		radeon_add_legacy_connector(dev, 1,
2039 					    ATOM_DEVICE_DFP2_SUPPORT |
2040 					    ATOM_DEVICE_CRT2_SUPPORT,
2041 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2042 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
2043 					    &hpd);
2044 		break;
2045 	case CT_MAC_G5_9600:
2046 		DRM_INFO("Connector Table: %d (mac g5 9600)\n",
2047 			 rdev->mode_info.connector_table);
2048 		/* DVI - tv dac, dvo */
2049 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2050 		hpd.hpd = RADEON_HPD_1; /* ??? */
2051 		radeon_add_legacy_encoder(dev,
2052 					  radeon_get_encoder_enum(dev,
2053 								  ATOM_DEVICE_DFP2_SUPPORT,
2054 								  0),
2055 					  ATOM_DEVICE_DFP2_SUPPORT);
2056 		radeon_add_legacy_encoder(dev,
2057 					  radeon_get_encoder_enum(dev,
2058 								  ATOM_DEVICE_CRT2_SUPPORT,
2059 								  2),
2060 					  ATOM_DEVICE_CRT2_SUPPORT);
2061 		radeon_add_legacy_connector(dev, 0,
2062 					    ATOM_DEVICE_DFP2_SUPPORT |
2063 					    ATOM_DEVICE_CRT2_SUPPORT,
2064 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2065 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2066 					    &hpd);
2067 		/* ADC - primary dac, internal tmds */
2068 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2069 		hpd.hpd = RADEON_HPD_2; /* ??? */
2070 		radeon_add_legacy_encoder(dev,
2071 					  radeon_get_encoder_enum(dev,
2072 								  ATOM_DEVICE_DFP1_SUPPORT,
2073 								  0),
2074 					  ATOM_DEVICE_DFP1_SUPPORT);
2075 		radeon_add_legacy_encoder(dev,
2076 					  radeon_get_encoder_enum(dev,
2077 								  ATOM_DEVICE_CRT1_SUPPORT,
2078 								  1),
2079 					  ATOM_DEVICE_CRT1_SUPPORT);
2080 		radeon_add_legacy_connector(dev, 1,
2081 					    ATOM_DEVICE_DFP1_SUPPORT |
2082 					    ATOM_DEVICE_CRT1_SUPPORT,
2083 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2084 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2085 					    &hpd);
2086 		/* TV - TV DAC */
2087 		ddc_i2c.valid = false;
2088 		hpd.hpd = RADEON_HPD_NONE;
2089 		radeon_add_legacy_encoder(dev,
2090 					  radeon_get_encoder_enum(dev,
2091 								ATOM_DEVICE_TV1_SUPPORT,
2092 								2),
2093 					  ATOM_DEVICE_TV1_SUPPORT);
2094 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2095 					    DRM_MODE_CONNECTOR_SVIDEO,
2096 					    &ddc_i2c,
2097 					    CONNECTOR_OBJECT_ID_SVIDEO,
2098 					    &hpd);
2099 		break;
2100 	case CT_SAM440EP:
2101 		DRM_INFO("Connector Table: %d (SAM440ep embedded board)\n",
2102 			 rdev->mode_info.connector_table);
2103 		/* LVDS */
2104 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
2105 		hpd.hpd = RADEON_HPD_NONE;
2106 		radeon_add_legacy_encoder(dev,
2107 					  radeon_get_encoder_enum(dev,
2108 								ATOM_DEVICE_LCD1_SUPPORT,
2109 								0),
2110 					  ATOM_DEVICE_LCD1_SUPPORT);
2111 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
2112 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
2113 					    CONNECTOR_OBJECT_ID_LVDS,
2114 					    &hpd);
2115 		/* DVI-I - secondary dac, int tmds */
2116 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2117 		hpd.hpd = RADEON_HPD_1; /* ??? */
2118 		radeon_add_legacy_encoder(dev,
2119 					  radeon_get_encoder_enum(dev,
2120 								ATOM_DEVICE_DFP1_SUPPORT,
2121 								0),
2122 					  ATOM_DEVICE_DFP1_SUPPORT);
2123 		radeon_add_legacy_encoder(dev,
2124 					  radeon_get_encoder_enum(dev,
2125 								ATOM_DEVICE_CRT2_SUPPORT,
2126 								2),
2127 					  ATOM_DEVICE_CRT2_SUPPORT);
2128 		radeon_add_legacy_connector(dev, 1,
2129 					    ATOM_DEVICE_DFP1_SUPPORT |
2130 					    ATOM_DEVICE_CRT2_SUPPORT,
2131 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2132 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2133 					    &hpd);
2134 		/* VGA - primary dac */
2135 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2136 		hpd.hpd = RADEON_HPD_NONE;
2137 		radeon_add_legacy_encoder(dev,
2138 					  radeon_get_encoder_enum(dev,
2139 								ATOM_DEVICE_CRT1_SUPPORT,
2140 								1),
2141 					  ATOM_DEVICE_CRT1_SUPPORT);
2142 		radeon_add_legacy_connector(dev, 2,
2143 					    ATOM_DEVICE_CRT1_SUPPORT,
2144 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2145 					    CONNECTOR_OBJECT_ID_VGA,
2146 					    &hpd);
2147 		/* TV - TV DAC */
2148 		ddc_i2c.valid = false;
2149 		hpd.hpd = RADEON_HPD_NONE;
2150 		radeon_add_legacy_encoder(dev,
2151 					  radeon_get_encoder_enum(dev,
2152 								ATOM_DEVICE_TV1_SUPPORT,
2153 								2),
2154 					  ATOM_DEVICE_TV1_SUPPORT);
2155 		radeon_add_legacy_connector(dev, 3, ATOM_DEVICE_TV1_SUPPORT,
2156 					    DRM_MODE_CONNECTOR_SVIDEO,
2157 					    &ddc_i2c,
2158 					    CONNECTOR_OBJECT_ID_SVIDEO,
2159 					    &hpd);
2160 		break;
2161 	case CT_MAC_G4_SILVER:
2162 		DRM_INFO("Connector Table: %d (mac g4 silver)\n",
2163 			 rdev->mode_info.connector_table);
2164 		/* DVI-I - tv dac, int tmds */
2165 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2166 		hpd.hpd = RADEON_HPD_1; /* ??? */
2167 		radeon_add_legacy_encoder(dev,
2168 					  radeon_get_encoder_enum(dev,
2169 								ATOM_DEVICE_DFP1_SUPPORT,
2170 								0),
2171 					  ATOM_DEVICE_DFP1_SUPPORT);
2172 		radeon_add_legacy_encoder(dev,
2173 					  radeon_get_encoder_enum(dev,
2174 								ATOM_DEVICE_CRT2_SUPPORT,
2175 								2),
2176 					  ATOM_DEVICE_CRT2_SUPPORT);
2177 		radeon_add_legacy_connector(dev, 0,
2178 					    ATOM_DEVICE_DFP1_SUPPORT |
2179 					    ATOM_DEVICE_CRT2_SUPPORT,
2180 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2181 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2182 					    &hpd);
2183 		/* VGA - primary dac */
2184 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2185 		hpd.hpd = RADEON_HPD_NONE;
2186 		radeon_add_legacy_encoder(dev,
2187 					  radeon_get_encoder_enum(dev,
2188 								ATOM_DEVICE_CRT1_SUPPORT,
2189 								1),
2190 					  ATOM_DEVICE_CRT1_SUPPORT);
2191 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
2192 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2193 					    CONNECTOR_OBJECT_ID_VGA,
2194 					    &hpd);
2195 		/* TV - TV DAC */
2196 		ddc_i2c.valid = false;
2197 		hpd.hpd = RADEON_HPD_NONE;
2198 		radeon_add_legacy_encoder(dev,
2199 					  radeon_get_encoder_enum(dev,
2200 								ATOM_DEVICE_TV1_SUPPORT,
2201 								2),
2202 					  ATOM_DEVICE_TV1_SUPPORT);
2203 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2204 					    DRM_MODE_CONNECTOR_SVIDEO,
2205 					    &ddc_i2c,
2206 					    CONNECTOR_OBJECT_ID_SVIDEO,
2207 					    &hpd);
2208 		break;
2209 	default:
2210 		DRM_INFO("Connector table: %d (invalid)\n",
2211 			 rdev->mode_info.connector_table);
2212 		return false;
2213 	}
2214 
2215 	radeon_link_encoder_connector(dev);
2216 
2217 	return true;
2218 }
2219 
2220 static bool radeon_apply_legacy_quirks(struct drm_device *dev,
2221 				       int bios_index,
2222 				       enum radeon_combios_connector
2223 				       *legacy_connector,
2224 				       struct radeon_i2c_bus_rec *ddc_i2c,
2225 				       struct radeon_hpd *hpd)
2226 {
2227 
2228 	/* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
2229 	   one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
2230 	if (dev->pdev->device == 0x515e &&
2231 	    dev->pdev->subsystem_vendor == 0x1014) {
2232 		if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
2233 		    ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
2234 			return false;
2235 	}
2236 
2237 	/* X300 card with extra non-existent DVI port */
2238 	if (dev->pdev->device == 0x5B60 &&
2239 	    dev->pdev->subsystem_vendor == 0x17af &&
2240 	    dev->pdev->subsystem_device == 0x201e && bios_index == 2) {
2241 		if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
2242 			return false;
2243 	}
2244 
2245 	return true;
2246 }
2247 
2248 static bool radeon_apply_legacy_tv_quirks(struct drm_device *dev)
2249 {
2250 	/* Acer 5102 has non-existent TV port */
2251 	if (dev->pdev->device == 0x5975 &&
2252 	    dev->pdev->subsystem_vendor == 0x1025 &&
2253 	    dev->pdev->subsystem_device == 0x009f)
2254 		return false;
2255 
2256 	/* HP dc5750 has non-existent TV port */
2257 	if (dev->pdev->device == 0x5974 &&
2258 	    dev->pdev->subsystem_vendor == 0x103c &&
2259 	    dev->pdev->subsystem_device == 0x280a)
2260 		return false;
2261 
2262 	/* MSI S270 has non-existent TV port */
2263 	if (dev->pdev->device == 0x5955 &&
2264 	    dev->pdev->subsystem_vendor == 0x1462 &&
2265 	    dev->pdev->subsystem_device == 0x0131)
2266 		return false;
2267 
2268 	return true;
2269 }
2270 
2271 static uint16_t combios_check_dl_dvi(struct drm_device *dev, int is_dvi_d)
2272 {
2273 	struct radeon_device *rdev = dev->dev_private;
2274 	uint32_t ext_tmds_info;
2275 
2276 	if (rdev->flags & RADEON_IS_IGP) {
2277 		if (is_dvi_d)
2278 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2279 		else
2280 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2281 	}
2282 	ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2283 	if (ext_tmds_info) {
2284 		uint8_t rev = RBIOS8(ext_tmds_info);
2285 		uint8_t flags = RBIOS8(ext_tmds_info + 4 + 5);
2286 		if (rev >= 3) {
2287 			if (is_dvi_d)
2288 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2289 			else
2290 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2291 		} else {
2292 			if (flags & 1) {
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 			}
2298 		}
2299 	}
2300 	if (is_dvi_d)
2301 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2302 	else
2303 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2304 }
2305 
2306 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
2307 {
2308 	struct radeon_device *rdev = dev->dev_private;
2309 	uint32_t conn_info, entry, devices;
2310 	uint16_t tmp, connector_object_id;
2311 	enum radeon_combios_ddc ddc_type;
2312 	enum radeon_combios_connector connector;
2313 	int i = 0;
2314 	struct radeon_i2c_bus_rec ddc_i2c;
2315 	struct radeon_hpd hpd;
2316 
2317 	conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
2318 	if (conn_info) {
2319 		for (i = 0; i < 4; i++) {
2320 			entry = conn_info + 2 + i * 2;
2321 
2322 			if (!RBIOS16(entry))
2323 				break;
2324 
2325 			tmp = RBIOS16(entry);
2326 
2327 			connector = (tmp >> 12) & 0xf;
2328 
2329 			ddc_type = (tmp >> 8) & 0xf;
2330 			if (ddc_type == 5)
2331 				ddc_i2c = radeon_combios_get_i2c_info_from_table(rdev);
2332 			else
2333 				ddc_i2c = combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2334 
2335 			switch (connector) {
2336 			case CONNECTOR_PROPRIETARY_LEGACY:
2337 			case CONNECTOR_DVI_I_LEGACY:
2338 			case CONNECTOR_DVI_D_LEGACY:
2339 				if ((tmp >> 4) & 0x1)
2340 					hpd.hpd = RADEON_HPD_2;
2341 				else
2342 					hpd.hpd = RADEON_HPD_1;
2343 				break;
2344 			default:
2345 				hpd.hpd = RADEON_HPD_NONE;
2346 				break;
2347 			}
2348 
2349 			if (!radeon_apply_legacy_quirks(dev, i, &connector,
2350 							&ddc_i2c, &hpd))
2351 				continue;
2352 
2353 			switch (connector) {
2354 			case CONNECTOR_PROPRIETARY_LEGACY:
2355 				if ((tmp >> 4) & 0x1)
2356 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2357 				else
2358 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2359 				radeon_add_legacy_encoder(dev,
2360 							  radeon_get_encoder_enum
2361 							  (dev, devices, 0),
2362 							  devices);
2363 				radeon_add_legacy_connector(dev, i, devices,
2364 							    legacy_connector_convert
2365 							    [connector],
2366 							    &ddc_i2c,
2367 							    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
2368 							    &hpd);
2369 				break;
2370 			case CONNECTOR_CRT_LEGACY:
2371 				if (tmp & 0x1) {
2372 					devices = ATOM_DEVICE_CRT2_SUPPORT;
2373 					radeon_add_legacy_encoder(dev,
2374 								  radeon_get_encoder_enum
2375 								  (dev,
2376 								   ATOM_DEVICE_CRT2_SUPPORT,
2377 								   2),
2378 								  ATOM_DEVICE_CRT2_SUPPORT);
2379 				} else {
2380 					devices = ATOM_DEVICE_CRT1_SUPPORT;
2381 					radeon_add_legacy_encoder(dev,
2382 								  radeon_get_encoder_enum
2383 								  (dev,
2384 								   ATOM_DEVICE_CRT1_SUPPORT,
2385 								   1),
2386 								  ATOM_DEVICE_CRT1_SUPPORT);
2387 				}
2388 				radeon_add_legacy_connector(dev,
2389 							    i,
2390 							    devices,
2391 							    legacy_connector_convert
2392 							    [connector],
2393 							    &ddc_i2c,
2394 							    CONNECTOR_OBJECT_ID_VGA,
2395 							    &hpd);
2396 				break;
2397 			case CONNECTOR_DVI_I_LEGACY:
2398 				devices = 0;
2399 				if (tmp & 0x1) {
2400 					devices |= ATOM_DEVICE_CRT2_SUPPORT;
2401 					radeon_add_legacy_encoder(dev,
2402 								  radeon_get_encoder_enum
2403 								  (dev,
2404 								   ATOM_DEVICE_CRT2_SUPPORT,
2405 								   2),
2406 								  ATOM_DEVICE_CRT2_SUPPORT);
2407 				} else {
2408 					devices |= ATOM_DEVICE_CRT1_SUPPORT;
2409 					radeon_add_legacy_encoder(dev,
2410 								  radeon_get_encoder_enum
2411 								  (dev,
2412 								   ATOM_DEVICE_CRT1_SUPPORT,
2413 								   1),
2414 								  ATOM_DEVICE_CRT1_SUPPORT);
2415 				}
2416 				/* RV100 board with external TDMS bit mis-set.
2417 				 * Actually uses internal TMDS, clear the bit.
2418 				 */
2419 				if (dev->pdev->device == 0x5159 &&
2420 				    dev->pdev->subsystem_vendor == 0x1014 &&
2421 				    dev->pdev->subsystem_device == 0x029A) {
2422 					tmp &= ~(1 << 4);
2423 				}
2424 				if ((tmp >> 4) & 0x1) {
2425 					devices |= ATOM_DEVICE_DFP2_SUPPORT;
2426 					radeon_add_legacy_encoder(dev,
2427 								  radeon_get_encoder_enum
2428 								  (dev,
2429 								   ATOM_DEVICE_DFP2_SUPPORT,
2430 								   0),
2431 								  ATOM_DEVICE_DFP2_SUPPORT);
2432 					connector_object_id = combios_check_dl_dvi(dev, 0);
2433 				} else {
2434 					devices |= ATOM_DEVICE_DFP1_SUPPORT;
2435 					radeon_add_legacy_encoder(dev,
2436 								  radeon_get_encoder_enum
2437 								  (dev,
2438 								   ATOM_DEVICE_DFP1_SUPPORT,
2439 								   0),
2440 								  ATOM_DEVICE_DFP1_SUPPORT);
2441 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2442 				}
2443 				radeon_add_legacy_connector(dev,
2444 							    i,
2445 							    devices,
2446 							    legacy_connector_convert
2447 							    [connector],
2448 							    &ddc_i2c,
2449 							    connector_object_id,
2450 							    &hpd);
2451 				break;
2452 			case CONNECTOR_DVI_D_LEGACY:
2453 				if ((tmp >> 4) & 0x1) {
2454 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2455 					connector_object_id = combios_check_dl_dvi(dev, 1);
2456 				} else {
2457 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2458 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2459 				}
2460 				radeon_add_legacy_encoder(dev,
2461 							  radeon_get_encoder_enum
2462 							  (dev, devices, 0),
2463 							  devices);
2464 				radeon_add_legacy_connector(dev, i, devices,
2465 							    legacy_connector_convert
2466 							    [connector],
2467 							    &ddc_i2c,
2468 							    connector_object_id,
2469 							    &hpd);
2470 				break;
2471 			case CONNECTOR_CTV_LEGACY:
2472 			case CONNECTOR_STV_LEGACY:
2473 				radeon_add_legacy_encoder(dev,
2474 							  radeon_get_encoder_enum
2475 							  (dev,
2476 							   ATOM_DEVICE_TV1_SUPPORT,
2477 							   2),
2478 							  ATOM_DEVICE_TV1_SUPPORT);
2479 				radeon_add_legacy_connector(dev, i,
2480 							    ATOM_DEVICE_TV1_SUPPORT,
2481 							    legacy_connector_convert
2482 							    [connector],
2483 							    &ddc_i2c,
2484 							    CONNECTOR_OBJECT_ID_SVIDEO,
2485 							    &hpd);
2486 				break;
2487 			default:
2488 				DRM_ERROR("Unknown connector type: %d\n",
2489 					  connector);
2490 				continue;
2491 			}
2492 
2493 		}
2494 	} else {
2495 		uint16_t tmds_info =
2496 		    combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
2497 		if (tmds_info) {
2498 			DRM_DEBUG_KMS("Found DFP table, assuming DVI connector\n");
2499 
2500 			radeon_add_legacy_encoder(dev,
2501 						  radeon_get_encoder_enum(dev,
2502 									ATOM_DEVICE_CRT1_SUPPORT,
2503 									1),
2504 						  ATOM_DEVICE_CRT1_SUPPORT);
2505 			radeon_add_legacy_encoder(dev,
2506 						  radeon_get_encoder_enum(dev,
2507 									ATOM_DEVICE_DFP1_SUPPORT,
2508 									0),
2509 						  ATOM_DEVICE_DFP1_SUPPORT);
2510 
2511 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2512 			hpd.hpd = RADEON_HPD_1;
2513 			radeon_add_legacy_connector(dev,
2514 						    0,
2515 						    ATOM_DEVICE_CRT1_SUPPORT |
2516 						    ATOM_DEVICE_DFP1_SUPPORT,
2517 						    DRM_MODE_CONNECTOR_DVII,
2518 						    &ddc_i2c,
2519 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2520 						    &hpd);
2521 		} else {
2522 			uint16_t crt_info =
2523 				combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
2524 			DRM_DEBUG_KMS("Found CRT table, assuming VGA connector\n");
2525 			if (crt_info) {
2526 				radeon_add_legacy_encoder(dev,
2527 							  radeon_get_encoder_enum(dev,
2528 										ATOM_DEVICE_CRT1_SUPPORT,
2529 										1),
2530 							  ATOM_DEVICE_CRT1_SUPPORT);
2531 				ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2532 				hpd.hpd = RADEON_HPD_NONE;
2533 				radeon_add_legacy_connector(dev,
2534 							    0,
2535 							    ATOM_DEVICE_CRT1_SUPPORT,
2536 							    DRM_MODE_CONNECTOR_VGA,
2537 							    &ddc_i2c,
2538 							    CONNECTOR_OBJECT_ID_VGA,
2539 							    &hpd);
2540 			} else {
2541 				DRM_DEBUG_KMS("No connector info found\n");
2542 				return false;
2543 			}
2544 		}
2545 	}
2546 
2547 	if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
2548 		uint16_t lcd_info =
2549 		    combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
2550 		if (lcd_info) {
2551 			uint16_t lcd_ddc_info =
2552 			    combios_get_table_offset(dev,
2553 						     COMBIOS_LCD_DDC_INFO_TABLE);
2554 
2555 			radeon_add_legacy_encoder(dev,
2556 						  radeon_get_encoder_enum(dev,
2557 									ATOM_DEVICE_LCD1_SUPPORT,
2558 									0),
2559 						  ATOM_DEVICE_LCD1_SUPPORT);
2560 
2561 			if (lcd_ddc_info) {
2562 				ddc_type = RBIOS8(lcd_ddc_info + 2);
2563 				switch (ddc_type) {
2564 				case DDC_LCD:
2565 					ddc_i2c =
2566 						combios_setup_i2c_bus(rdev,
2567 								      DDC_LCD,
2568 								      RBIOS32(lcd_ddc_info + 3),
2569 								      RBIOS32(lcd_ddc_info + 7));
2570 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2571 					break;
2572 				case DDC_GPIO:
2573 					ddc_i2c =
2574 						combios_setup_i2c_bus(rdev,
2575 								      DDC_GPIO,
2576 								      RBIOS32(lcd_ddc_info + 3),
2577 								      RBIOS32(lcd_ddc_info + 7));
2578 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2579 					break;
2580 				default:
2581 					ddc_i2c =
2582 						combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2583 					break;
2584 				}
2585 				DRM_DEBUG_KMS("LCD DDC Info Table found!\n");
2586 			} else
2587 				ddc_i2c.valid = false;
2588 
2589 			hpd.hpd = RADEON_HPD_NONE;
2590 			radeon_add_legacy_connector(dev,
2591 						    5,
2592 						    ATOM_DEVICE_LCD1_SUPPORT,
2593 						    DRM_MODE_CONNECTOR_LVDS,
2594 						    &ddc_i2c,
2595 						    CONNECTOR_OBJECT_ID_LVDS,
2596 						    &hpd);
2597 		}
2598 	}
2599 
2600 	/* check TV table */
2601 	if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
2602 		uint32_t tv_info =
2603 		    combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
2604 		if (tv_info) {
2605 			if (RBIOS8(tv_info + 6) == 'T') {
2606 				if (radeon_apply_legacy_tv_quirks(dev)) {
2607 					hpd.hpd = RADEON_HPD_NONE;
2608 					ddc_i2c.valid = false;
2609 					radeon_add_legacy_encoder(dev,
2610 								  radeon_get_encoder_enum
2611 								  (dev,
2612 								   ATOM_DEVICE_TV1_SUPPORT,
2613 								   2),
2614 								  ATOM_DEVICE_TV1_SUPPORT);
2615 					radeon_add_legacy_connector(dev, 6,
2616 								    ATOM_DEVICE_TV1_SUPPORT,
2617 								    DRM_MODE_CONNECTOR_SVIDEO,
2618 								    &ddc_i2c,
2619 								    CONNECTOR_OBJECT_ID_SVIDEO,
2620 								    &hpd);
2621 				}
2622 			}
2623 		}
2624 	}
2625 
2626 	radeon_link_encoder_connector(dev);
2627 
2628 	return true;
2629 }
2630 
2631 #ifdef DRMDEBUG
2632 static const char *thermal_controller_names[] = {
2633 	"NONE",
2634 	"lm63",
2635 	"adm1032",
2636 };
2637 #endif
2638 
2639 void radeon_combios_get_power_modes(struct radeon_device *rdev)
2640 {
2641 	struct drm_device *dev = rdev->ddev;
2642 	u16 offset, misc, misc2 = 0;
2643 	u8 rev, blocks, tmp;
2644 	int state_index = 0;
2645 	struct radeon_i2c_bus_rec i2c_bus;
2646 
2647 	rdev->pm.default_power_state_index = -1;
2648 
2649 	/* allocate 2 power states */
2650 	rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) * 2, GFP_KERNEL);
2651 	if (rdev->pm.power_state) {
2652 		/* allocate 1 clock mode per state */
2653 		rdev->pm.power_state[0].clock_info =
2654 			kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
2655 		rdev->pm.power_state[1].clock_info =
2656 			kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
2657 		if (!rdev->pm.power_state[0].clock_info ||
2658 		    !rdev->pm.power_state[1].clock_info)
2659 			goto pm_failed;
2660 	} else
2661 		goto pm_failed;
2662 
2663 	/* check for a thermal chip */
2664 	offset = combios_get_table_offset(dev, COMBIOS_OVERDRIVE_INFO_TABLE);
2665 	if (offset) {
2666 		u8 thermal_controller = 0, gpio = 0, i2c_addr = 0, clk_bit = 0, data_bit = 0;
2667 
2668 		rev = RBIOS8(offset);
2669 
2670 		if (rev == 0) {
2671 			thermal_controller = RBIOS8(offset + 3);
2672 			gpio = RBIOS8(offset + 4) & 0x3f;
2673 			i2c_addr = RBIOS8(offset + 5);
2674 		} else if (rev == 1) {
2675 			thermal_controller = RBIOS8(offset + 4);
2676 			gpio = RBIOS8(offset + 5) & 0x3f;
2677 			i2c_addr = RBIOS8(offset + 6);
2678 		} else if (rev == 2) {
2679 			thermal_controller = RBIOS8(offset + 4);
2680 			gpio = RBIOS8(offset + 5) & 0x3f;
2681 			i2c_addr = RBIOS8(offset + 6);
2682 			clk_bit = RBIOS8(offset + 0xa);
2683 			data_bit = RBIOS8(offset + 0xb);
2684 		}
2685 		if ((thermal_controller > 0) && (thermal_controller < 3)) {
2686 			DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2687 				 thermal_controller_names[thermal_controller],
2688 				 i2c_addr >> 1);
2689 			if (gpio == DDC_LCD) {
2690 				/* MM i2c */
2691 				i2c_bus.valid = true;
2692 				i2c_bus.hw_capable = true;
2693 				i2c_bus.mm_i2c = true;
2694 				i2c_bus.i2c_id = 0xa0;
2695 			} else if (gpio == DDC_GPIO)
2696 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 1 << clk_bit, 1 << data_bit);
2697 			else
2698 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
2699 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2700 #ifdef notyet
2701 			if (rdev->pm.i2c_bus) {
2702 				struct i2c_board_info info = { };
2703 				const char *name = thermal_controller_names[thermal_controller];
2704 				info.addr = i2c_addr >> 1;
2705 				strlcpy(info.type, name, sizeof(info.type));
2706 				i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
2707 			}
2708 #endif
2709 		}
2710 	} else {
2711 		/* boards with a thermal chip, but no overdrive table */
2712 
2713 		/* Asus 9600xt has an f75375 on the monid bus */
2714 		if ((dev->pdev->device == 0x4152) &&
2715 		    (dev->pdev->subsystem_vendor == 0x1043) &&
2716 		    (dev->pdev->subsystem_device == 0xc002)) {
2717 			i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2718 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2719 #ifdef notyet
2720 			if (rdev->pm.i2c_bus) {
2721 				struct i2c_board_info info = { };
2722 				const char *name = "f75375";
2723 				info.addr = 0x28;
2724 				strlcpy(info.type, name, sizeof(info.type));
2725 				i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
2726 				DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2727 					 name, info.addr);
2728 			}
2729 #endif
2730 		}
2731 	}
2732 
2733 	if (rdev->flags & RADEON_IS_MOBILITY) {
2734 		offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
2735 		if (offset) {
2736 			rev = RBIOS8(offset);
2737 			blocks = RBIOS8(offset + 0x2);
2738 			/* power mode 0 tends to be the only valid one */
2739 			rdev->pm.power_state[state_index].num_clock_modes = 1;
2740 			rdev->pm.power_state[state_index].clock_info[0].mclk = RBIOS32(offset + 0x5 + 0x2);
2741 			rdev->pm.power_state[state_index].clock_info[0].sclk = RBIOS32(offset + 0x5 + 0x6);
2742 			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2743 			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2744 				goto default_mode;
2745 			rdev->pm.power_state[state_index].type =
2746 				POWER_STATE_TYPE_BATTERY;
2747 			misc = RBIOS16(offset + 0x5 + 0x0);
2748 			if (rev > 4)
2749 				misc2 = RBIOS16(offset + 0x5 + 0xe);
2750 			rdev->pm.power_state[state_index].misc = misc;
2751 			rdev->pm.power_state[state_index].misc2 = misc2;
2752 			if (misc & 0x4) {
2753 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
2754 				if (misc & 0x8)
2755 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2756 						true;
2757 				else
2758 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2759 						false;
2760 				rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = true;
2761 				if (rev < 6) {
2762 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2763 						RBIOS16(offset + 0x5 + 0xb) * 4;
2764 					tmp = RBIOS8(offset + 0x5 + 0xd);
2765 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2766 				} else {
2767 					u8 entries = RBIOS8(offset + 0x5 + 0xb);
2768 					u16 voltage_table_offset = RBIOS16(offset + 0x5 + 0xc);
2769 					if (entries && voltage_table_offset) {
2770 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2771 							RBIOS16(voltage_table_offset) * 4;
2772 						tmp = RBIOS8(voltage_table_offset + 0x2);
2773 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2774 					} else
2775 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = false;
2776 				}
2777 				switch ((misc2 & 0x700) >> 8) {
2778 				case 0:
2779 				default:
2780 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 0;
2781 					break;
2782 				case 1:
2783 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 33;
2784 					break;
2785 				case 2:
2786 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 66;
2787 					break;
2788 				case 3:
2789 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 99;
2790 					break;
2791 				case 4:
2792 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 132;
2793 					break;
2794 				}
2795 			} else
2796 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2797 			if (rev > 6)
2798 				rdev->pm.power_state[state_index].pcie_lanes =
2799 					RBIOS8(offset + 0x5 + 0x10);
2800 			rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2801 			state_index++;
2802 		} else {
2803 			/* XXX figure out some good default low power mode for mobility cards w/out power tables */
2804 		}
2805 	} else {
2806 		/* XXX figure out some good default low power mode for desktop cards */
2807 	}
2808 
2809 default_mode:
2810 	/* add the default mode */
2811 	rdev->pm.power_state[state_index].type =
2812 		POWER_STATE_TYPE_DEFAULT;
2813 	rdev->pm.power_state[state_index].num_clock_modes = 1;
2814 	rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
2815 	rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
2816 	rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
2817 	if ((state_index > 0) &&
2818 	    (rdev->pm.power_state[0].clock_info[0].voltage.type == VOLTAGE_GPIO))
2819 		rdev->pm.power_state[state_index].clock_info[0].voltage =
2820 			rdev->pm.power_state[0].clock_info[0].voltage;
2821 	else
2822 		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2823 	rdev->pm.power_state[state_index].pcie_lanes = 16;
2824 	rdev->pm.power_state[state_index].flags = 0;
2825 	rdev->pm.default_power_state_index = state_index;
2826 	rdev->pm.num_power_states = state_index + 1;
2827 
2828 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2829 	rdev->pm.current_clock_mode_index = 0;
2830 	return;
2831 
2832 pm_failed:
2833 	rdev->pm.default_power_state_index = state_index;
2834 	rdev->pm.num_power_states = 0;
2835 
2836 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2837 	rdev->pm.current_clock_mode_index = 0;
2838 }
2839 
2840 void radeon_external_tmds_setup(struct drm_encoder *encoder)
2841 {
2842 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2843 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2844 
2845 	if (!tmds)
2846 		return;
2847 
2848 	switch (tmds->dvo_chip) {
2849 	case DVO_SIL164:
2850 		/* sil 164 */
2851 		radeon_i2c_put_byte(tmds->i2c_bus,
2852 				    tmds->slave_addr,
2853 				    0x08, 0x30);
2854 		radeon_i2c_put_byte(tmds->i2c_bus,
2855 				       tmds->slave_addr,
2856 				       0x09, 0x00);
2857 		radeon_i2c_put_byte(tmds->i2c_bus,
2858 				    tmds->slave_addr,
2859 				    0x0a, 0x90);
2860 		radeon_i2c_put_byte(tmds->i2c_bus,
2861 				    tmds->slave_addr,
2862 				    0x0c, 0x89);
2863 		radeon_i2c_put_byte(tmds->i2c_bus,
2864 				       tmds->slave_addr,
2865 				       0x08, 0x3b);
2866 		break;
2867 	case DVO_SIL1178:
2868 		/* sil 1178 - untested */
2869 		/*
2870 		 * 0x0f, 0x44
2871 		 * 0x0f, 0x4c
2872 		 * 0x0e, 0x01
2873 		 * 0x0a, 0x80
2874 		 * 0x09, 0x30
2875 		 * 0x0c, 0xc9
2876 		 * 0x0d, 0x70
2877 		 * 0x08, 0x32
2878 		 * 0x08, 0x33
2879 		 */
2880 		break;
2881 	default:
2882 		break;
2883 	}
2884 
2885 }
2886 
2887 bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
2888 {
2889 	struct drm_device *dev = encoder->dev;
2890 	struct radeon_device *rdev = dev->dev_private;
2891 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2892 	uint16_t offset;
2893 	uint8_t blocks, slave_addr, rev;
2894 	uint32_t index, id;
2895 	uint32_t reg, val, and_mask, or_mask;
2896 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2897 
2898 	if (!tmds)
2899 		return false;
2900 
2901 	if (rdev->flags & RADEON_IS_IGP) {
2902 		offset = combios_get_table_offset(dev, COMBIOS_TMDS_POWER_ON_TABLE);
2903 		rev = RBIOS8(offset);
2904 		if (offset) {
2905 			rev = RBIOS8(offset);
2906 			if (rev > 1) {
2907 				blocks = RBIOS8(offset + 3);
2908 				index = offset + 4;
2909 				while (blocks > 0) {
2910 					id = RBIOS16(index);
2911 					index += 2;
2912 					switch (id >> 13) {
2913 					case 0:
2914 						reg = (id & 0x1fff) * 4;
2915 						val = RBIOS32(index);
2916 						index += 4;
2917 						WREG32(reg, val);
2918 						break;
2919 					case 2:
2920 						reg = (id & 0x1fff) * 4;
2921 						and_mask = RBIOS32(index);
2922 						index += 4;
2923 						or_mask = RBIOS32(index);
2924 						index += 4;
2925 						val = RREG32(reg);
2926 						val = (val & and_mask) | or_mask;
2927 						WREG32(reg, val);
2928 						break;
2929 					case 3:
2930 						val = RBIOS16(index);
2931 						index += 2;
2932 						udelay(val);
2933 						break;
2934 					case 4:
2935 						val = RBIOS16(index);
2936 						index += 2;
2937 						mdelay(val);
2938 						break;
2939 					case 6:
2940 						slave_addr = id & 0xff;
2941 						slave_addr >>= 1; /* 7 bit addressing */
2942 						index++;
2943 						reg = RBIOS8(index);
2944 						index++;
2945 						val = RBIOS8(index);
2946 						index++;
2947 						radeon_i2c_put_byte(tmds->i2c_bus,
2948 								    slave_addr,
2949 								    reg, val);
2950 						break;
2951 					default:
2952 						DRM_ERROR("Unknown id %d\n", id >> 13);
2953 						break;
2954 					}
2955 					blocks--;
2956 				}
2957 				return true;
2958 			}
2959 		}
2960 	} else {
2961 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2962 		if (offset) {
2963 			index = offset + 10;
2964 			id = RBIOS16(index);
2965 			while (id != 0xffff) {
2966 				index += 2;
2967 				switch (id >> 13) {
2968 				case 0:
2969 					reg = (id & 0x1fff) * 4;
2970 					val = RBIOS32(index);
2971 					WREG32(reg, val);
2972 					break;
2973 				case 2:
2974 					reg = (id & 0x1fff) * 4;
2975 					and_mask = RBIOS32(index);
2976 					index += 4;
2977 					or_mask = RBIOS32(index);
2978 					index += 4;
2979 					val = RREG32(reg);
2980 					val = (val & and_mask) | or_mask;
2981 					WREG32(reg, val);
2982 					break;
2983 				case 4:
2984 					val = RBIOS16(index);
2985 					index += 2;
2986 					udelay(val);
2987 					break;
2988 				case 5:
2989 					reg = id & 0x1fff;
2990 					and_mask = RBIOS32(index);
2991 					index += 4;
2992 					or_mask = RBIOS32(index);
2993 					index += 4;
2994 					val = RREG32_PLL(reg);
2995 					val = (val & and_mask) | or_mask;
2996 					WREG32_PLL(reg, val);
2997 					break;
2998 				case 6:
2999 					reg = id & 0x1fff;
3000 					val = RBIOS8(index);
3001 					index += 1;
3002 					radeon_i2c_put_byte(tmds->i2c_bus,
3003 							    tmds->slave_addr,
3004 							    reg, val);
3005 					break;
3006 				default:
3007 					DRM_ERROR("Unknown id %d\n", id >> 13);
3008 					break;
3009 				}
3010 				id = RBIOS16(index);
3011 			}
3012 			return true;
3013 		}
3014 	}
3015 	return false;
3016 }
3017 
3018 static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
3019 {
3020 	struct radeon_device *rdev = dev->dev_private;
3021 
3022 	if (offset) {
3023 		while (RBIOS16(offset)) {
3024 			uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
3025 			uint32_t addr = (RBIOS16(offset) & 0x1fff);
3026 			uint32_t val, and_mask, or_mask;
3027 			uint32_t tmp;
3028 
3029 			offset += 2;
3030 			switch (cmd) {
3031 			case 0:
3032 				val = RBIOS32(offset);
3033 				offset += 4;
3034 				WREG32(addr, val);
3035 				break;
3036 			case 1:
3037 				val = RBIOS32(offset);
3038 				offset += 4;
3039 				WREG32(addr, val);
3040 				break;
3041 			case 2:
3042 				and_mask = RBIOS32(offset);
3043 				offset += 4;
3044 				or_mask = RBIOS32(offset);
3045 				offset += 4;
3046 				tmp = RREG32(addr);
3047 				tmp &= and_mask;
3048 				tmp |= or_mask;
3049 				WREG32(addr, tmp);
3050 				break;
3051 			case 3:
3052 				and_mask = RBIOS32(offset);
3053 				offset += 4;
3054 				or_mask = RBIOS32(offset);
3055 				offset += 4;
3056 				tmp = RREG32(addr);
3057 				tmp &= and_mask;
3058 				tmp |= or_mask;
3059 				WREG32(addr, tmp);
3060 				break;
3061 			case 4:
3062 				val = RBIOS16(offset);
3063 				offset += 2;
3064 				udelay(val);
3065 				break;
3066 			case 5:
3067 				val = RBIOS16(offset);
3068 				offset += 2;
3069 				switch (addr) {
3070 				case 8:
3071 					while (val--) {
3072 						if (!
3073 						    (RREG32_PLL
3074 						     (RADEON_CLK_PWRMGT_CNTL) &
3075 						     RADEON_MC_BUSY))
3076 							break;
3077 					}
3078 					break;
3079 				case 9:
3080 					while (val--) {
3081 						if ((RREG32(RADEON_MC_STATUS) &
3082 						     RADEON_MC_IDLE))
3083 							break;
3084 					}
3085 					break;
3086 				default:
3087 					break;
3088 				}
3089 				break;
3090 			default:
3091 				break;
3092 			}
3093 		}
3094 	}
3095 }
3096 
3097 static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
3098 {
3099 	struct radeon_device *rdev = dev->dev_private;
3100 
3101 	if (offset) {
3102 		while (RBIOS8(offset)) {
3103 			uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
3104 			uint8_t addr = (RBIOS8(offset) & 0x3f);
3105 			uint32_t val, shift, tmp;
3106 			uint32_t and_mask, or_mask;
3107 
3108 			offset++;
3109 			switch (cmd) {
3110 			case 0:
3111 				val = RBIOS32(offset);
3112 				offset += 4;
3113 				WREG32_PLL(addr, val);
3114 				break;
3115 			case 1:
3116 				shift = RBIOS8(offset) * 8;
3117 				offset++;
3118 				and_mask = RBIOS8(offset) << shift;
3119 				and_mask |= ~(0xff << shift);
3120 				offset++;
3121 				or_mask = RBIOS8(offset) << shift;
3122 				offset++;
3123 				tmp = RREG32_PLL(addr);
3124 				tmp &= and_mask;
3125 				tmp |= or_mask;
3126 				WREG32_PLL(addr, tmp);
3127 				break;
3128 			case 2:
3129 			case 3:
3130 				tmp = 1000;
3131 				switch (addr) {
3132 				case 1:
3133 					udelay(150);
3134 					break;
3135 				case 2:
3136 					mdelay(1);
3137 					break;
3138 				case 3:
3139 					while (tmp--) {
3140 						if (!
3141 						    (RREG32_PLL
3142 						     (RADEON_CLK_PWRMGT_CNTL) &
3143 						     RADEON_MC_BUSY))
3144 							break;
3145 					}
3146 					break;
3147 				case 4:
3148 					while (tmp--) {
3149 						if (RREG32_PLL
3150 						    (RADEON_CLK_PWRMGT_CNTL) &
3151 						    RADEON_DLL_READY)
3152 							break;
3153 					}
3154 					break;
3155 				case 5:
3156 					tmp =
3157 					    RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
3158 					if (tmp & RADEON_CG_NO1_DEBUG_0) {
3159 #if 0
3160 						uint32_t mclk_cntl =
3161 						    RREG32_PLL
3162 						    (RADEON_MCLK_CNTL);
3163 						mclk_cntl &= 0xffff0000;
3164 						/*mclk_cntl |= 0x00001111;*//* ??? */
3165 						WREG32_PLL(RADEON_MCLK_CNTL,
3166 							   mclk_cntl);
3167 						mdelay(10);
3168 #endif
3169 						WREG32_PLL
3170 						    (RADEON_CLK_PWRMGT_CNTL,
3171 						     tmp &
3172 						     ~RADEON_CG_NO1_DEBUG_0);
3173 						mdelay(10);
3174 					}
3175 					break;
3176 				default:
3177 					break;
3178 				}
3179 				break;
3180 			default:
3181 				break;
3182 			}
3183 		}
3184 	}
3185 }
3186 
3187 static void combios_parse_ram_reset_table(struct drm_device *dev,
3188 					  uint16_t offset)
3189 {
3190 	struct radeon_device *rdev = dev->dev_private;
3191 	uint32_t tmp;
3192 
3193 	if (offset) {
3194 		uint8_t val = RBIOS8(offset);
3195 		while (val != 0xff) {
3196 			offset++;
3197 
3198 			if (val == 0x0f) {
3199 				uint32_t channel_complete_mask;
3200 
3201 				if (ASIC_IS_R300(rdev))
3202 					channel_complete_mask =
3203 					    R300_MEM_PWRUP_COMPLETE;
3204 				else
3205 					channel_complete_mask =
3206 					    RADEON_MEM_PWRUP_COMPLETE;
3207 				tmp = 20000;
3208 				while (tmp--) {
3209 					if ((RREG32(RADEON_MEM_STR_CNTL) &
3210 					     channel_complete_mask) ==
3211 					    channel_complete_mask)
3212 						break;
3213 				}
3214 			} else {
3215 				uint32_t or_mask = RBIOS16(offset);
3216 				offset += 2;
3217 
3218 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3219 				tmp &= RADEON_SDRAM_MODE_MASK;
3220 				tmp |= or_mask;
3221 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3222 
3223 				or_mask = val << 24;
3224 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3225 				tmp &= RADEON_B3MEM_RESET_MASK;
3226 				tmp |= or_mask;
3227 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3228 			}
3229 			val = RBIOS8(offset);
3230 		}
3231 	}
3232 }
3233 
3234 static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
3235 				   int mem_addr_mapping)
3236 {
3237 	struct radeon_device *rdev = dev->dev_private;
3238 	uint32_t mem_cntl;
3239 	uint32_t mem_size;
3240 	uint32_t addr = 0;
3241 
3242 	mem_cntl = RREG32(RADEON_MEM_CNTL);
3243 	if (mem_cntl & RV100_HALF_MODE)
3244 		ram /= 2;
3245 	mem_size = ram;
3246 	mem_cntl &= ~(0xff << 8);
3247 	mem_cntl |= (mem_addr_mapping & 0xff) << 8;
3248 	WREG32(RADEON_MEM_CNTL, mem_cntl);
3249 	RREG32(RADEON_MEM_CNTL);
3250 
3251 	/* sdram reset ? */
3252 
3253 	/* something like this????  */
3254 	while (ram--) {
3255 		addr = ram * 1024 * 1024;
3256 		/* write to each page */
3257 		WREG32_IDX((addr) | RADEON_MM_APER, 0xdeadbeef);
3258 		/* read back and verify */
3259 		if (RREG32_IDX((addr) | RADEON_MM_APER) != 0xdeadbeef)
3260 			return 0;
3261 	}
3262 
3263 	return mem_size;
3264 }
3265 
3266 static void combios_write_ram_size(struct drm_device *dev)
3267 {
3268 	struct radeon_device *rdev = dev->dev_private;
3269 	uint8_t rev;
3270 	uint16_t offset;
3271 	uint32_t mem_size = 0;
3272 	uint32_t mem_cntl = 0;
3273 
3274 	/* should do something smarter here I guess... */
3275 	if (rdev->flags & RADEON_IS_IGP)
3276 		return;
3277 
3278 	/* first check detected mem table */
3279 	offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
3280 	if (offset) {
3281 		rev = RBIOS8(offset);
3282 		if (rev < 3) {
3283 			mem_cntl = RBIOS32(offset + 1);
3284 			mem_size = RBIOS16(offset + 5);
3285 			if ((rdev->family < CHIP_R200) &&
3286 			    !ASIC_IS_RN50(rdev))
3287 				WREG32(RADEON_MEM_CNTL, mem_cntl);
3288 		}
3289 	}
3290 
3291 	if (!mem_size) {
3292 		offset =
3293 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
3294 		if (offset) {
3295 			rev = RBIOS8(offset - 1);
3296 			if (rev < 1) {
3297 				if ((rdev->family < CHIP_R200)
3298 				    && !ASIC_IS_RN50(rdev)) {
3299 					int ram = 0;
3300 					int mem_addr_mapping = 0;
3301 
3302 					while (RBIOS8(offset)) {
3303 						ram = RBIOS8(offset);
3304 						mem_addr_mapping =
3305 						    RBIOS8(offset + 1);
3306 						if (mem_addr_mapping != 0x25)
3307 							ram *= 2;
3308 						mem_size =
3309 						    combios_detect_ram(dev, ram,
3310 								       mem_addr_mapping);
3311 						if (mem_size)
3312 							break;
3313 						offset += 2;
3314 					}
3315 				} else
3316 					mem_size = RBIOS8(offset);
3317 			} else {
3318 				mem_size = RBIOS8(offset);
3319 				mem_size *= 2;	/* convert to MB */
3320 			}
3321 		}
3322 	}
3323 
3324 	mem_size *= (1024 * 1024);	/* convert to bytes */
3325 	WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
3326 }
3327 
3328 void radeon_combios_asic_init(struct drm_device *dev)
3329 {
3330 	struct radeon_device *rdev = dev->dev_private;
3331 	uint16_t table;
3332 
3333 	/* port hardcoded mac stuff from radeonfb */
3334 	if (rdev->bios == NULL)
3335 		return;
3336 
3337 	/* ASIC INIT 1 */
3338 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE);
3339 	if (table)
3340 		combios_parse_mmio_table(dev, table);
3341 
3342 	/* PLL INIT */
3343 	table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE);
3344 	if (table)
3345 		combios_parse_pll_table(dev, table);
3346 
3347 	/* ASIC INIT 2 */
3348 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE);
3349 	if (table)
3350 		combios_parse_mmio_table(dev, table);
3351 
3352 	if (!(rdev->flags & RADEON_IS_IGP)) {
3353 		/* ASIC INIT 4 */
3354 		table =
3355 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE);
3356 		if (table)
3357 			combios_parse_mmio_table(dev, table);
3358 
3359 		/* RAM RESET */
3360 		table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE);
3361 		if (table)
3362 			combios_parse_ram_reset_table(dev, table);
3363 
3364 		/* ASIC INIT 3 */
3365 		table =
3366 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE);
3367 		if (table)
3368 			combios_parse_mmio_table(dev, table);
3369 
3370 		/* write CONFIG_MEMSIZE */
3371 		combios_write_ram_size(dev);
3372 	}
3373 
3374 	/* quirk for rs4xx HP nx6125 laptop to make it resume
3375 	 * - it hangs on resume inside the dynclk 1 table.
3376 	 */
3377 	if (rdev->family == CHIP_RS480 &&
3378 	    rdev->pdev->subsystem_vendor == 0x103c &&
3379 	    rdev->pdev->subsystem_device == 0x308b)
3380 		return;
3381 
3382 	/* quirk for rs4xx HP dv5000 laptop to make it resume
3383 	 * - it hangs on resume inside the dynclk 1 table.
3384 	 */
3385 	if (rdev->family == CHIP_RS480 &&
3386 	    rdev->pdev->subsystem_vendor == 0x103c &&
3387 	    rdev->pdev->subsystem_device == 0x30a4)
3388 		return;
3389 
3390 	/* quirk for rs4xx Compaq Presario V5245EU laptop to make it resume
3391 	 * - it hangs on resume inside the dynclk 1 table.
3392 	 */
3393 	if (rdev->family == CHIP_RS480 &&
3394 	    rdev->pdev->subsystem_vendor == 0x103c &&
3395 	    rdev->pdev->subsystem_device == 0x30ae)
3396 		return;
3397 
3398 	/* DYN CLK 1 */
3399 	table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3400 	if (table)
3401 		combios_parse_pll_table(dev, table);
3402 
3403 }
3404 
3405 void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
3406 {
3407 	struct radeon_device *rdev = dev->dev_private;
3408 	uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
3409 
3410 	bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
3411 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3412 	bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
3413 
3414 	/* let the bios control the backlight */
3415 	bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
3416 
3417 	/* tell the bios not to handle mode switching */
3418 	bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
3419 			   RADEON_ACC_MODE_CHANGE);
3420 
3421 	/* tell the bios a driver is loaded */
3422 	bios_7_scratch |= RADEON_DRV_LOADED;
3423 
3424 	WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
3425 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3426 	WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
3427 }
3428 
3429 void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
3430 {
3431 	struct drm_device *dev = encoder->dev;
3432 	struct radeon_device *rdev = dev->dev_private;
3433 	uint32_t bios_6_scratch;
3434 
3435 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3436 
3437 	if (lock)
3438 		bios_6_scratch |= RADEON_DRIVER_CRITICAL;
3439 	else
3440 		bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
3441 
3442 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3443 }
3444 
3445 void
3446 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
3447 				      struct drm_encoder *encoder,
3448 				      bool connected)
3449 {
3450 	struct drm_device *dev = connector->dev;
3451 	struct radeon_device *rdev = dev->dev_private;
3452 	struct radeon_connector *radeon_connector =
3453 	    to_radeon_connector(connector);
3454 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3455 	uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
3456 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3457 
3458 	if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
3459 	    (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
3460 		if (connected) {
3461 			DRM_DEBUG_KMS("TV1 connected\n");
3462 			/* fix me */
3463 			bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
3464 			/*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
3465 			bios_5_scratch |= RADEON_TV1_ON;
3466 			bios_5_scratch |= RADEON_ACC_REQ_TV1;
3467 		} else {
3468 			DRM_DEBUG_KMS("TV1 disconnected\n");
3469 			bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
3470 			bios_5_scratch &= ~RADEON_TV1_ON;
3471 			bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
3472 		}
3473 	}
3474 	if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
3475 	    (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
3476 		if (connected) {
3477 			DRM_DEBUG_KMS("LCD1 connected\n");
3478 			bios_4_scratch |= RADEON_LCD1_ATTACHED;
3479 			bios_5_scratch |= RADEON_LCD1_ON;
3480 			bios_5_scratch |= RADEON_ACC_REQ_LCD1;
3481 		} else {
3482 			DRM_DEBUG_KMS("LCD1 disconnected\n");
3483 			bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
3484 			bios_5_scratch &= ~RADEON_LCD1_ON;
3485 			bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
3486 		}
3487 	}
3488 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
3489 	    (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
3490 		if (connected) {
3491 			DRM_DEBUG_KMS("CRT1 connected\n");
3492 			bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
3493 			bios_5_scratch |= RADEON_CRT1_ON;
3494 			bios_5_scratch |= RADEON_ACC_REQ_CRT1;
3495 		} else {
3496 			DRM_DEBUG_KMS("CRT1 disconnected\n");
3497 			bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
3498 			bios_5_scratch &= ~RADEON_CRT1_ON;
3499 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
3500 		}
3501 	}
3502 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
3503 	    (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
3504 		if (connected) {
3505 			DRM_DEBUG_KMS("CRT2 connected\n");
3506 			bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
3507 			bios_5_scratch |= RADEON_CRT2_ON;
3508 			bios_5_scratch |= RADEON_ACC_REQ_CRT2;
3509 		} else {
3510 			DRM_DEBUG_KMS("CRT2 disconnected\n");
3511 			bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
3512 			bios_5_scratch &= ~RADEON_CRT2_ON;
3513 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
3514 		}
3515 	}
3516 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
3517 	    (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
3518 		if (connected) {
3519 			DRM_DEBUG_KMS("DFP1 connected\n");
3520 			bios_4_scratch |= RADEON_DFP1_ATTACHED;
3521 			bios_5_scratch |= RADEON_DFP1_ON;
3522 			bios_5_scratch |= RADEON_ACC_REQ_DFP1;
3523 		} else {
3524 			DRM_DEBUG_KMS("DFP1 disconnected\n");
3525 			bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
3526 			bios_5_scratch &= ~RADEON_DFP1_ON;
3527 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
3528 		}
3529 	}
3530 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
3531 	    (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
3532 		if (connected) {
3533 			DRM_DEBUG_KMS("DFP2 connected\n");
3534 			bios_4_scratch |= RADEON_DFP2_ATTACHED;
3535 			bios_5_scratch |= RADEON_DFP2_ON;
3536 			bios_5_scratch |= RADEON_ACC_REQ_DFP2;
3537 		} else {
3538 			DRM_DEBUG_KMS("DFP2 disconnected\n");
3539 			bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
3540 			bios_5_scratch &= ~RADEON_DFP2_ON;
3541 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
3542 		}
3543 	}
3544 	WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
3545 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3546 }
3547 
3548 void
3549 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
3550 {
3551 	struct drm_device *dev = encoder->dev;
3552 	struct radeon_device *rdev = dev->dev_private;
3553 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3554 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3555 
3556 	if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
3557 		bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
3558 		bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
3559 	}
3560 	if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
3561 		bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
3562 		bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
3563 	}
3564 	if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
3565 		bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
3566 		bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
3567 	}
3568 	if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
3569 		bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
3570 		bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
3571 	}
3572 	if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
3573 		bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
3574 		bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
3575 	}
3576 	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
3577 		bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
3578 		bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
3579 	}
3580 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3581 }
3582 
3583 void
3584 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
3585 {
3586 	struct drm_device *dev = encoder->dev;
3587 	struct radeon_device *rdev = dev->dev_private;
3588 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3589 	uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3590 
3591 	if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
3592 		if (on)
3593 			bios_6_scratch |= RADEON_TV_DPMS_ON;
3594 		else
3595 			bios_6_scratch &= ~RADEON_TV_DPMS_ON;
3596 	}
3597 	if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3598 		if (on)
3599 			bios_6_scratch |= RADEON_CRT_DPMS_ON;
3600 		else
3601 			bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
3602 	}
3603 	if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3604 		if (on)
3605 			bios_6_scratch |= RADEON_LCD_DPMS_ON;
3606 		else
3607 			bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
3608 	}
3609 	if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
3610 		if (on)
3611 			bios_6_scratch |= RADEON_DFP_DPMS_ON;
3612 		else
3613 			bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
3614 	}
3615 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3616 }
3617