1 /*
2  * Copyright 2004 ATI Technologies Inc., Markham, Ontario
3  * Copyright 2007-8 Advanced Micro Devices, Inc.
4  * Copyright 2008 Red Hat Inc.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  */
27 
28 #include <drm/drm_device.h>
29 #include <drm/drm_pci.h>
30 #include <drm/radeon_drm.h>
31 
32 #include "radeon.h"
33 #include "atom.h"
34 
35 #ifdef CONFIG_PPC_PMAC
36 /* not sure which of these are needed */
37 #include <asm/machdep.h>
38 #include <asm/pmac_feature.h>
39 #include <asm/prom.h>
40 #endif /* CONFIG_PPC_PMAC */
41 
42 /* from radeon_legacy_encoder.c */
43 extern void
44 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum,
45 			  uint32_t supported_device);
46 
47 /* old legacy ATI BIOS routines */
48 
49 /* COMBIOS table offsets */
50 enum radeon_combios_table_offset {
51 	/* absolute offset tables */
52 	COMBIOS_ASIC_INIT_1_TABLE,
53 	COMBIOS_BIOS_SUPPORT_TABLE,
54 	COMBIOS_DAC_PROGRAMMING_TABLE,
55 	COMBIOS_MAX_COLOR_DEPTH_TABLE,
56 	COMBIOS_CRTC_INFO_TABLE,
57 	COMBIOS_PLL_INFO_TABLE,
58 	COMBIOS_TV_INFO_TABLE,
59 	COMBIOS_DFP_INFO_TABLE,
60 	COMBIOS_HW_CONFIG_INFO_TABLE,
61 	COMBIOS_MULTIMEDIA_INFO_TABLE,
62 	COMBIOS_TV_STD_PATCH_TABLE,
63 	COMBIOS_LCD_INFO_TABLE,
64 	COMBIOS_MOBILE_INFO_TABLE,
65 	COMBIOS_PLL_INIT_TABLE,
66 	COMBIOS_MEM_CONFIG_TABLE,
67 	COMBIOS_SAVE_MASK_TABLE,
68 	COMBIOS_HARDCODED_EDID_TABLE,
69 	COMBIOS_ASIC_INIT_2_TABLE,
70 	COMBIOS_CONNECTOR_INFO_TABLE,
71 	COMBIOS_DYN_CLK_1_TABLE,
72 	COMBIOS_RESERVED_MEM_TABLE,
73 	COMBIOS_EXT_TMDS_INFO_TABLE,
74 	COMBIOS_MEM_CLK_INFO_TABLE,
75 	COMBIOS_EXT_DAC_INFO_TABLE,
76 	COMBIOS_MISC_INFO_TABLE,
77 	COMBIOS_CRT_INFO_TABLE,
78 	COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE,
79 	COMBIOS_COMPONENT_VIDEO_INFO_TABLE,
80 	COMBIOS_FAN_SPEED_INFO_TABLE,
81 	COMBIOS_OVERDRIVE_INFO_TABLE,
82 	COMBIOS_OEM_INFO_TABLE,
83 	COMBIOS_DYN_CLK_2_TABLE,
84 	COMBIOS_POWER_CONNECTOR_INFO_TABLE,
85 	COMBIOS_I2C_INFO_TABLE,
86 	/* relative offset tables */
87 	COMBIOS_ASIC_INIT_3_TABLE,	/* offset from misc info */
88 	COMBIOS_ASIC_INIT_4_TABLE,	/* offset from misc info */
89 	COMBIOS_DETECTED_MEM_TABLE,	/* offset from misc info */
90 	COMBIOS_ASIC_INIT_5_TABLE,	/* offset from misc info */
91 	COMBIOS_RAM_RESET_TABLE,	/* offset from mem config */
92 	COMBIOS_POWERPLAY_INFO_TABLE,	/* offset from mobile info */
93 	COMBIOS_GPIO_INFO_TABLE,	/* offset from mobile info */
94 	COMBIOS_LCD_DDC_INFO_TABLE,	/* offset from mobile info */
95 	COMBIOS_TMDS_POWER_TABLE,	/* offset from mobile info */
96 	COMBIOS_TMDS_POWER_ON_TABLE,	/* offset from tmds power */
97 	COMBIOS_TMDS_POWER_OFF_TABLE,	/* offset from tmds power */
98 };
99 
100 enum radeon_combios_ddc {
101 	DDC_NONE_DETECTED,
102 	DDC_MONID,
103 	DDC_DVI,
104 	DDC_VGA,
105 	DDC_CRT2,
106 	DDC_LCD,
107 	DDC_GPIO,
108 };
109 
110 enum radeon_combios_connector {
111 	CONNECTOR_NONE_LEGACY,
112 	CONNECTOR_PROPRIETARY_LEGACY,
113 	CONNECTOR_CRT_LEGACY,
114 	CONNECTOR_DVI_I_LEGACY,
115 	CONNECTOR_DVI_D_LEGACY,
116 	CONNECTOR_CTV_LEGACY,
117 	CONNECTOR_STV_LEGACY,
118 	CONNECTOR_UNSUPPORTED_LEGACY
119 };
120 
121 static const int legacy_connector_convert[] = {
122 	DRM_MODE_CONNECTOR_Unknown,
123 	DRM_MODE_CONNECTOR_DVID,
124 	DRM_MODE_CONNECTOR_VGA,
125 	DRM_MODE_CONNECTOR_DVII,
126 	DRM_MODE_CONNECTOR_DVID,
127 	DRM_MODE_CONNECTOR_Composite,
128 	DRM_MODE_CONNECTOR_SVIDEO,
129 	DRM_MODE_CONNECTOR_Unknown,
130 };
131 
132 static uint16_t combios_get_table_offset(struct drm_device *dev,
133 					 enum radeon_combios_table_offset table)
134 {
135 	struct radeon_device *rdev = dev->dev_private;
136 	int rev, size;
137 	uint16_t offset = 0, check_offset;
138 
139 	if (!rdev->bios)
140 		return 0;
141 
142 	switch (table) {
143 		/* absolute offset tables */
144 	case COMBIOS_ASIC_INIT_1_TABLE:
145 		check_offset = 0xc;
146 		break;
147 	case COMBIOS_BIOS_SUPPORT_TABLE:
148 		check_offset = 0x14;
149 		break;
150 	case COMBIOS_DAC_PROGRAMMING_TABLE:
151 		check_offset = 0x2a;
152 		break;
153 	case COMBIOS_MAX_COLOR_DEPTH_TABLE:
154 		check_offset = 0x2c;
155 		break;
156 	case COMBIOS_CRTC_INFO_TABLE:
157 		check_offset = 0x2e;
158 		break;
159 	case COMBIOS_PLL_INFO_TABLE:
160 		check_offset = 0x30;
161 		break;
162 	case COMBIOS_TV_INFO_TABLE:
163 		check_offset = 0x32;
164 		break;
165 	case COMBIOS_DFP_INFO_TABLE:
166 		check_offset = 0x34;
167 		break;
168 	case COMBIOS_HW_CONFIG_INFO_TABLE:
169 		check_offset = 0x36;
170 		break;
171 	case COMBIOS_MULTIMEDIA_INFO_TABLE:
172 		check_offset = 0x38;
173 		break;
174 	case COMBIOS_TV_STD_PATCH_TABLE:
175 		check_offset = 0x3e;
176 		break;
177 	case COMBIOS_LCD_INFO_TABLE:
178 		check_offset = 0x40;
179 		break;
180 	case COMBIOS_MOBILE_INFO_TABLE:
181 		check_offset = 0x42;
182 		break;
183 	case COMBIOS_PLL_INIT_TABLE:
184 		check_offset = 0x46;
185 		break;
186 	case COMBIOS_MEM_CONFIG_TABLE:
187 		check_offset = 0x48;
188 		break;
189 	case COMBIOS_SAVE_MASK_TABLE:
190 		check_offset = 0x4a;
191 		break;
192 	case COMBIOS_HARDCODED_EDID_TABLE:
193 		check_offset = 0x4c;
194 		break;
195 	case COMBIOS_ASIC_INIT_2_TABLE:
196 		check_offset = 0x4e;
197 		break;
198 	case COMBIOS_CONNECTOR_INFO_TABLE:
199 		check_offset = 0x50;
200 		break;
201 	case COMBIOS_DYN_CLK_1_TABLE:
202 		check_offset = 0x52;
203 		break;
204 	case COMBIOS_RESERVED_MEM_TABLE:
205 		check_offset = 0x54;
206 		break;
207 	case COMBIOS_EXT_TMDS_INFO_TABLE:
208 		check_offset = 0x58;
209 		break;
210 	case COMBIOS_MEM_CLK_INFO_TABLE:
211 		check_offset = 0x5a;
212 		break;
213 	case COMBIOS_EXT_DAC_INFO_TABLE:
214 		check_offset = 0x5c;
215 		break;
216 	case COMBIOS_MISC_INFO_TABLE:
217 		check_offset = 0x5e;
218 		break;
219 	case COMBIOS_CRT_INFO_TABLE:
220 		check_offset = 0x60;
221 		break;
222 	case COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE:
223 		check_offset = 0x62;
224 		break;
225 	case COMBIOS_COMPONENT_VIDEO_INFO_TABLE:
226 		check_offset = 0x64;
227 		break;
228 	case COMBIOS_FAN_SPEED_INFO_TABLE:
229 		check_offset = 0x66;
230 		break;
231 	case COMBIOS_OVERDRIVE_INFO_TABLE:
232 		check_offset = 0x68;
233 		break;
234 	case COMBIOS_OEM_INFO_TABLE:
235 		check_offset = 0x6a;
236 		break;
237 	case COMBIOS_DYN_CLK_2_TABLE:
238 		check_offset = 0x6c;
239 		break;
240 	case COMBIOS_POWER_CONNECTOR_INFO_TABLE:
241 		check_offset = 0x6e;
242 		break;
243 	case COMBIOS_I2C_INFO_TABLE:
244 		check_offset = 0x70;
245 		break;
246 		/* relative offset tables */
247 	case COMBIOS_ASIC_INIT_3_TABLE:	/* offset from misc info */
248 		check_offset =
249 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
250 		if (check_offset) {
251 			rev = RBIOS8(check_offset);
252 			if (rev > 0) {
253 				check_offset = RBIOS16(check_offset + 0x3);
254 				if (check_offset)
255 					offset = check_offset;
256 			}
257 		}
258 		break;
259 	case COMBIOS_ASIC_INIT_4_TABLE:	/* offset from misc info */
260 		check_offset =
261 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
262 		if (check_offset) {
263 			rev = RBIOS8(check_offset);
264 			if (rev > 0) {
265 				check_offset = RBIOS16(check_offset + 0x5);
266 				if (check_offset)
267 					offset = check_offset;
268 			}
269 		}
270 		break;
271 	case COMBIOS_DETECTED_MEM_TABLE:	/* offset from misc info */
272 		check_offset =
273 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
274 		if (check_offset) {
275 			rev = RBIOS8(check_offset);
276 			if (rev > 0) {
277 				check_offset = RBIOS16(check_offset + 0x7);
278 				if (check_offset)
279 					offset = check_offset;
280 			}
281 		}
282 		break;
283 	case COMBIOS_ASIC_INIT_5_TABLE:	/* offset from misc info */
284 		check_offset =
285 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
286 		if (check_offset) {
287 			rev = RBIOS8(check_offset);
288 			if (rev == 2) {
289 				check_offset = RBIOS16(check_offset + 0x9);
290 				if (check_offset)
291 					offset = check_offset;
292 			}
293 		}
294 		break;
295 	case COMBIOS_RAM_RESET_TABLE:	/* offset from mem config */
296 		check_offset =
297 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
298 		if (check_offset) {
299 			while (RBIOS8(check_offset++));
300 			check_offset += 2;
301 			if (check_offset)
302 				offset = check_offset;
303 		}
304 		break;
305 	case COMBIOS_POWERPLAY_INFO_TABLE:	/* offset from mobile info */
306 		check_offset =
307 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
308 		if (check_offset) {
309 			check_offset = RBIOS16(check_offset + 0x11);
310 			if (check_offset)
311 				offset = check_offset;
312 		}
313 		break;
314 	case COMBIOS_GPIO_INFO_TABLE:	/* offset from mobile info */
315 		check_offset =
316 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
317 		if (check_offset) {
318 			check_offset = RBIOS16(check_offset + 0x13);
319 			if (check_offset)
320 				offset = check_offset;
321 		}
322 		break;
323 	case COMBIOS_LCD_DDC_INFO_TABLE:	/* offset from mobile info */
324 		check_offset =
325 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
326 		if (check_offset) {
327 			check_offset = RBIOS16(check_offset + 0x15);
328 			if (check_offset)
329 				offset = check_offset;
330 		}
331 		break;
332 	case COMBIOS_TMDS_POWER_TABLE:	/* offset from mobile info */
333 		check_offset =
334 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
335 		if (check_offset) {
336 			check_offset = RBIOS16(check_offset + 0x17);
337 			if (check_offset)
338 				offset = check_offset;
339 		}
340 		break;
341 	case COMBIOS_TMDS_POWER_ON_TABLE:	/* offset from tmds power */
342 		check_offset =
343 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
344 		if (check_offset) {
345 			check_offset = RBIOS16(check_offset + 0x2);
346 			if (check_offset)
347 				offset = check_offset;
348 		}
349 		break;
350 	case COMBIOS_TMDS_POWER_OFF_TABLE:	/* offset from tmds power */
351 		check_offset =
352 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
353 		if (check_offset) {
354 			check_offset = RBIOS16(check_offset + 0x4);
355 			if (check_offset)
356 				offset = check_offset;
357 		}
358 		break;
359 	default:
360 		check_offset = 0;
361 		break;
362 	}
363 
364 	size = RBIOS8(rdev->bios_header_start + 0x6);
365 	/* check absolute offset tables */
366 	if (table < COMBIOS_ASIC_INIT_3_TABLE && check_offset && check_offset < size)
367 		offset = RBIOS16(rdev->bios_header_start + check_offset);
368 
369 	return offset;
370 }
371 
372 bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev)
373 {
374 	int edid_info, size;
375 	struct edid *edid;
376 	unsigned char *raw;
377 	edid_info = combios_get_table_offset(rdev->ddev, COMBIOS_HARDCODED_EDID_TABLE);
378 	if (!edid_info)
379 		return false;
380 
381 	raw = rdev->bios + edid_info;
382 	size = EDID_LENGTH * (raw[0x7e] + 1);
383 	edid = kmalloc(size, GFP_KERNEL);
384 	if (edid == NULL)
385 		return false;
386 
387 	memcpy((unsigned char *)edid, raw, size);
388 
389 	if (!drm_edid_is_valid(edid)) {
390 		kfree(edid);
391 		return false;
392 	}
393 
394 	rdev->mode_info.bios_hardcoded_edid = edid;
395 	rdev->mode_info.bios_hardcoded_edid_size = size;
396 	return true;
397 }
398 
399 /* this is used for atom LCDs as well */
400 struct edid *
401 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev)
402 {
403 	struct edid *edid;
404 
405 	if (rdev->mode_info.bios_hardcoded_edid) {
406 		edid = kmalloc(rdev->mode_info.bios_hardcoded_edid_size, GFP_KERNEL);
407 		if (edid) {
408 			memcpy((unsigned char *)edid,
409 			       (unsigned char *)rdev->mode_info.bios_hardcoded_edid,
410 			       rdev->mode_info.bios_hardcoded_edid_size);
411 			return edid;
412 		}
413 	}
414 	return NULL;
415 }
416 
417 static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
418 						       enum radeon_combios_ddc ddc,
419 						       u32 clk_mask,
420 						       u32 data_mask)
421 {
422 	struct radeon_i2c_bus_rec i2c;
423 	int ddc_line = 0;
424 
425 	/* ddc id            = mask reg
426 	 * DDC_NONE_DETECTED = none
427 	 * DDC_DVI           = RADEON_GPIO_DVI_DDC
428 	 * DDC_VGA           = RADEON_GPIO_VGA_DDC
429 	 * DDC_LCD           = RADEON_GPIOPAD_MASK
430 	 * DDC_GPIO          = RADEON_MDGPIO_MASK
431 	 * r1xx
432 	 * DDC_MONID         = RADEON_GPIO_MONID
433 	 * DDC_CRT2          = RADEON_GPIO_CRT2_DDC
434 	 * r200
435 	 * DDC_MONID         = RADEON_GPIO_MONID
436 	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
437 	 * r300/r350
438 	 * DDC_MONID         = RADEON_GPIO_DVI_DDC
439 	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
440 	 * rv2xx/rv3xx
441 	 * DDC_MONID         = RADEON_GPIO_MONID
442 	 * DDC_CRT2          = RADEON_GPIO_MONID
443 	 * rs3xx/rs4xx
444 	 * DDC_MONID         = RADEON_GPIOPAD_MASK
445 	 * DDC_CRT2          = RADEON_GPIO_MONID
446 	 */
447 	switch (ddc) {
448 	case DDC_NONE_DETECTED:
449 	default:
450 		ddc_line = 0;
451 		break;
452 	case DDC_DVI:
453 		ddc_line = RADEON_GPIO_DVI_DDC;
454 		break;
455 	case DDC_VGA:
456 		ddc_line = RADEON_GPIO_VGA_DDC;
457 		break;
458 	case DDC_LCD:
459 		ddc_line = RADEON_GPIOPAD_MASK;
460 		break;
461 	case DDC_GPIO:
462 		ddc_line = RADEON_MDGPIO_MASK;
463 		break;
464 	case DDC_MONID:
465 		if (rdev->family == CHIP_RS300 ||
466 		    rdev->family == CHIP_RS400 ||
467 		    rdev->family == CHIP_RS480)
468 			ddc_line = RADEON_GPIOPAD_MASK;
469 		else if (rdev->family == CHIP_R300 ||
470 			 rdev->family == CHIP_R350) {
471 			ddc_line = RADEON_GPIO_DVI_DDC;
472 			ddc = DDC_DVI;
473 		} else
474 			ddc_line = RADEON_GPIO_MONID;
475 		break;
476 	case DDC_CRT2:
477 		if (rdev->family == CHIP_R200 ||
478 		    rdev->family == CHIP_R300 ||
479 		    rdev->family == CHIP_R350) {
480 			ddc_line = RADEON_GPIO_DVI_DDC;
481 			ddc = DDC_DVI;
482 		} else if (rdev->family == CHIP_RS300 ||
483 			   rdev->family == CHIP_RS400 ||
484 			   rdev->family == CHIP_RS480)
485 			ddc_line = RADEON_GPIO_MONID;
486 		else if (rdev->family >= CHIP_RV350) {
487 			ddc_line = RADEON_GPIO_MONID;
488 			ddc = DDC_MONID;
489 		} else
490 			ddc_line = RADEON_GPIO_CRT2_DDC;
491 		break;
492 	}
493 
494 	if (ddc_line == RADEON_GPIOPAD_MASK) {
495 		i2c.mask_clk_reg = RADEON_GPIOPAD_MASK;
496 		i2c.mask_data_reg = RADEON_GPIOPAD_MASK;
497 		i2c.a_clk_reg = RADEON_GPIOPAD_A;
498 		i2c.a_data_reg = RADEON_GPIOPAD_A;
499 		i2c.en_clk_reg = RADEON_GPIOPAD_EN;
500 		i2c.en_data_reg = RADEON_GPIOPAD_EN;
501 		i2c.y_clk_reg = RADEON_GPIOPAD_Y;
502 		i2c.y_data_reg = RADEON_GPIOPAD_Y;
503 	} else if (ddc_line == RADEON_MDGPIO_MASK) {
504 		i2c.mask_clk_reg = RADEON_MDGPIO_MASK;
505 		i2c.mask_data_reg = RADEON_MDGPIO_MASK;
506 		i2c.a_clk_reg = RADEON_MDGPIO_A;
507 		i2c.a_data_reg = RADEON_MDGPIO_A;
508 		i2c.en_clk_reg = RADEON_MDGPIO_EN;
509 		i2c.en_data_reg = RADEON_MDGPIO_EN;
510 		i2c.y_clk_reg = RADEON_MDGPIO_Y;
511 		i2c.y_data_reg = RADEON_MDGPIO_Y;
512 	} else {
513 		i2c.mask_clk_reg = ddc_line;
514 		i2c.mask_data_reg = ddc_line;
515 		i2c.a_clk_reg = ddc_line;
516 		i2c.a_data_reg = ddc_line;
517 		i2c.en_clk_reg = ddc_line;
518 		i2c.en_data_reg = ddc_line;
519 		i2c.y_clk_reg = ddc_line;
520 		i2c.y_data_reg = ddc_line;
521 	}
522 
523 	if (clk_mask && data_mask) {
524 		/* system specific masks */
525 		i2c.mask_clk_mask = clk_mask;
526 		i2c.mask_data_mask = data_mask;
527 		i2c.a_clk_mask = clk_mask;
528 		i2c.a_data_mask = data_mask;
529 		i2c.en_clk_mask = clk_mask;
530 		i2c.en_data_mask = data_mask;
531 		i2c.y_clk_mask = clk_mask;
532 		i2c.y_data_mask = data_mask;
533 	} else if ((ddc_line == RADEON_GPIOPAD_MASK) ||
534 		   (ddc_line == RADEON_MDGPIO_MASK)) {
535 		/* default gpiopad masks */
536 		i2c.mask_clk_mask = (0x20 << 8);
537 		i2c.mask_data_mask = 0x80;
538 		i2c.a_clk_mask = (0x20 << 8);
539 		i2c.a_data_mask = 0x80;
540 		i2c.en_clk_mask = (0x20 << 8);
541 		i2c.en_data_mask = 0x80;
542 		i2c.y_clk_mask = (0x20 << 8);
543 		i2c.y_data_mask = 0x80;
544 	} else {
545 		/* default masks for ddc pads */
546 		i2c.mask_clk_mask = RADEON_GPIO_MASK_1;
547 		i2c.mask_data_mask = RADEON_GPIO_MASK_0;
548 		i2c.a_clk_mask = RADEON_GPIO_A_1;
549 		i2c.a_data_mask = RADEON_GPIO_A_0;
550 		i2c.en_clk_mask = RADEON_GPIO_EN_1;
551 		i2c.en_data_mask = RADEON_GPIO_EN_0;
552 		i2c.y_clk_mask = RADEON_GPIO_Y_1;
553 		i2c.y_data_mask = RADEON_GPIO_Y_0;
554 	}
555 
556 	switch (rdev->family) {
557 	case CHIP_R100:
558 	case CHIP_RV100:
559 	case CHIP_RS100:
560 	case CHIP_RV200:
561 	case CHIP_RS200:
562 	case CHIP_RS300:
563 		switch (ddc_line) {
564 		case RADEON_GPIO_DVI_DDC:
565 			i2c.hw_capable = true;
566 			break;
567 		default:
568 			i2c.hw_capable = false;
569 			break;
570 		}
571 		break;
572 	case CHIP_R200:
573 		switch (ddc_line) {
574 		case RADEON_GPIO_DVI_DDC:
575 		case RADEON_GPIO_MONID:
576 			i2c.hw_capable = true;
577 			break;
578 		default:
579 			i2c.hw_capable = false;
580 			break;
581 		}
582 		break;
583 	case CHIP_RV250:
584 	case CHIP_RV280:
585 		switch (ddc_line) {
586 		case RADEON_GPIO_VGA_DDC:
587 		case RADEON_GPIO_DVI_DDC:
588 		case RADEON_GPIO_CRT2_DDC:
589 			i2c.hw_capable = true;
590 			break;
591 		default:
592 			i2c.hw_capable = false;
593 			break;
594 		}
595 		break;
596 	case CHIP_R300:
597 	case CHIP_R350:
598 		switch (ddc_line) {
599 		case RADEON_GPIO_VGA_DDC:
600 		case RADEON_GPIO_DVI_DDC:
601 			i2c.hw_capable = true;
602 			break;
603 		default:
604 			i2c.hw_capable = false;
605 			break;
606 		}
607 		break;
608 	case CHIP_RV350:
609 	case CHIP_RV380:
610 	case CHIP_RS400:
611 	case CHIP_RS480:
612 		switch (ddc_line) {
613 		case RADEON_GPIO_VGA_DDC:
614 		case RADEON_GPIO_DVI_DDC:
615 			i2c.hw_capable = true;
616 			break;
617 		case RADEON_GPIO_MONID:
618 			/* hw i2c on RADEON_GPIO_MONID doesn't seem to work
619 			 * reliably on some pre-r4xx hardware; not sure why.
620 			 */
621 			i2c.hw_capable = false;
622 			break;
623 		default:
624 			i2c.hw_capable = false;
625 			break;
626 		}
627 		break;
628 	default:
629 		i2c.hw_capable = false;
630 		break;
631 	}
632 	i2c.mm_i2c = false;
633 
634 	i2c.i2c_id = ddc;
635 	i2c.hpd = RADEON_HPD_NONE;
636 
637 	if (ddc_line)
638 		i2c.valid = true;
639 	else
640 		i2c.valid = false;
641 
642 	return i2c;
643 }
644 
645 static struct radeon_i2c_bus_rec radeon_combios_get_i2c_info_from_table(struct radeon_device *rdev)
646 {
647 	struct drm_device *dev = rdev->ddev;
648 	struct radeon_i2c_bus_rec i2c;
649 	u16 offset;
650 	u8 id, blocks, clk, data;
651 	int i;
652 
653 	i2c.valid = false;
654 
655 	offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE);
656 	if (offset) {
657 		blocks = RBIOS8(offset + 2);
658 		for (i = 0; i < blocks; i++) {
659 			id = RBIOS8(offset + 3 + (i * 5) + 0);
660 			if (id == 136) {
661 				clk = RBIOS8(offset + 3 + (i * 5) + 3);
662 				data = RBIOS8(offset + 3 + (i * 5) + 4);
663 				/* gpiopad */
664 				i2c = combios_setup_i2c_bus(rdev, DDC_MONID,
665 							    (1 << clk), (1 << data));
666 				break;
667 			}
668 		}
669 	}
670 	return i2c;
671 }
672 
673 void radeon_combios_i2c_init(struct radeon_device *rdev)
674 {
675 	struct drm_device *dev = rdev->ddev;
676 	struct radeon_i2c_bus_rec i2c;
677 
678 	/* actual hw pads
679 	 * r1xx/rs2xx/rs3xx
680 	 * 0x60, 0x64, 0x68, 0x6c, gpiopads, mm
681 	 * r200
682 	 * 0x60, 0x64, 0x68, mm
683 	 * r300/r350
684 	 * 0x60, 0x64, mm
685 	 * rv2xx/rv3xx/rs4xx
686 	 * 0x60, 0x64, 0x68, gpiopads, mm
687 	 */
688 
689 	/* 0x60 */
690 	i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
691 	rdev->i2c_bus[0] = radeon_i2c_create(dev, &i2c, "DVI_DDC");
692 	/* 0x64 */
693 	i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
694 	rdev->i2c_bus[1] = radeon_i2c_create(dev, &i2c, "VGA_DDC");
695 
696 	/* mm i2c */
697 	i2c.valid = true;
698 	i2c.hw_capable = true;
699 	i2c.mm_i2c = true;
700 	i2c.i2c_id = 0xa0;
701 	rdev->i2c_bus[2] = radeon_i2c_create(dev, &i2c, "MM_I2C");
702 
703 	if (rdev->family == CHIP_R300 ||
704 	    rdev->family == CHIP_R350) {
705 		/* only 2 sw i2c pads */
706 	} else if (rdev->family == CHIP_RS300 ||
707 		   rdev->family == CHIP_RS400 ||
708 		   rdev->family == CHIP_RS480) {
709 		/* 0x68 */
710 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
711 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
712 
713 		/* gpiopad */
714 		i2c = radeon_combios_get_i2c_info_from_table(rdev);
715 		if (i2c.valid)
716 			rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "GPIOPAD_MASK");
717 	} else if ((rdev->family == CHIP_R200) ||
718 		   (rdev->family >= CHIP_R300)) {
719 		/* 0x68 */
720 		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
721 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
722 	} else {
723 		/* 0x68 */
724 		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
725 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
726 		/* 0x6c */
727 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
728 		rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "CRT2_DDC");
729 	}
730 }
731 
732 bool radeon_combios_get_clock_info(struct drm_device *dev)
733 {
734 	struct radeon_device *rdev = dev->dev_private;
735 	uint16_t pll_info;
736 	struct radeon_pll *p1pll = &rdev->clock.p1pll;
737 	struct radeon_pll *p2pll = &rdev->clock.p2pll;
738 	struct radeon_pll *spll = &rdev->clock.spll;
739 	struct radeon_pll *mpll = &rdev->clock.mpll;
740 	int8_t rev;
741 	uint16_t sclk, mclk;
742 
743 	pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
744 	if (pll_info) {
745 		rev = RBIOS8(pll_info);
746 
747 		/* pixel clocks */
748 		p1pll->reference_freq = RBIOS16(pll_info + 0xe);
749 		p1pll->reference_div = RBIOS16(pll_info + 0x10);
750 		p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
751 		p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
752 		p1pll->lcd_pll_out_min = p1pll->pll_out_min;
753 		p1pll->lcd_pll_out_max = p1pll->pll_out_max;
754 
755 		if (rev > 9) {
756 			p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
757 			p1pll->pll_in_max = RBIOS32(pll_info + 0x3a);
758 		} else {
759 			p1pll->pll_in_min = 40;
760 			p1pll->pll_in_max = 500;
761 		}
762 		*p2pll = *p1pll;
763 
764 		/* system clock */
765 		spll->reference_freq = RBIOS16(pll_info + 0x1a);
766 		spll->reference_div = RBIOS16(pll_info + 0x1c);
767 		spll->pll_out_min = RBIOS32(pll_info + 0x1e);
768 		spll->pll_out_max = RBIOS32(pll_info + 0x22);
769 
770 		if (rev > 10) {
771 			spll->pll_in_min = RBIOS32(pll_info + 0x48);
772 			spll->pll_in_max = RBIOS32(pll_info + 0x4c);
773 		} else {
774 			/* ??? */
775 			spll->pll_in_min = 40;
776 			spll->pll_in_max = 500;
777 		}
778 
779 		/* memory clock */
780 		mpll->reference_freq = RBIOS16(pll_info + 0x26);
781 		mpll->reference_div = RBIOS16(pll_info + 0x28);
782 		mpll->pll_out_min = RBIOS32(pll_info + 0x2a);
783 		mpll->pll_out_max = RBIOS32(pll_info + 0x2e);
784 
785 		if (rev > 10) {
786 			mpll->pll_in_min = RBIOS32(pll_info + 0x5a);
787 			mpll->pll_in_max = RBIOS32(pll_info + 0x5e);
788 		} else {
789 			/* ??? */
790 			mpll->pll_in_min = 40;
791 			mpll->pll_in_max = 500;
792 		}
793 
794 		/* default sclk/mclk */
795 		sclk = RBIOS16(pll_info + 0xa);
796 		mclk = RBIOS16(pll_info + 0x8);
797 		if (sclk == 0)
798 			sclk = 200 * 100;
799 		if (mclk == 0)
800 			mclk = 200 * 100;
801 
802 		rdev->clock.default_sclk = sclk;
803 		rdev->clock.default_mclk = mclk;
804 
805 		if (RBIOS32(pll_info + 0x16))
806 			rdev->clock.max_pixel_clock = RBIOS32(pll_info + 0x16);
807 		else
808 			rdev->clock.max_pixel_clock = 35000; /* might need something asic specific */
809 
810 		return true;
811 	}
812 	return false;
813 }
814 
815 bool radeon_combios_sideport_present(struct radeon_device *rdev)
816 {
817 	struct drm_device *dev = rdev->ddev;
818 	u16 igp_info;
819 
820 	/* sideport is AMD only */
821 	if (rdev->family == CHIP_RS400)
822 		return false;
823 
824 	igp_info = combios_get_table_offset(dev, COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE);
825 
826 	if (igp_info) {
827 		if (RBIOS16(igp_info + 0x4))
828 			return true;
829 	}
830 	return false;
831 }
832 
833 static const uint32_t default_primarydac_adj[CHIP_LAST] = {
834 	0x00000808,		/* r100  */
835 	0x00000808,		/* rv100 */
836 	0x00000808,		/* rs100 */
837 	0x00000808,		/* rv200 */
838 	0x00000808,		/* rs200 */
839 	0x00000808,		/* r200  */
840 	0x00000808,		/* rv250 */
841 	0x00000000,		/* rs300 */
842 	0x00000808,		/* rv280 */
843 	0x00000808,		/* r300  */
844 	0x00000808,		/* r350  */
845 	0x00000808,		/* rv350 */
846 	0x00000808,		/* rv380 */
847 	0x00000808,		/* r420  */
848 	0x00000808,		/* r423  */
849 	0x00000808,		/* rv410 */
850 	0x00000000,		/* rs400 */
851 	0x00000000,		/* rs480 */
852 };
853 
854 static void radeon_legacy_get_primary_dac_info_from_table(struct radeon_device *rdev,
855 							  struct radeon_encoder_primary_dac *p_dac)
856 {
857 	p_dac->ps2_pdac_adj = default_primarydac_adj[rdev->family];
858 	return;
859 }
860 
861 struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
862 								       radeon_encoder
863 								       *encoder)
864 {
865 	struct drm_device *dev = encoder->base.dev;
866 	struct radeon_device *rdev = dev->dev_private;
867 	uint16_t dac_info;
868 	uint8_t rev, bg, dac;
869 	struct radeon_encoder_primary_dac *p_dac = NULL;
870 	int found = 0;
871 
872 	p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac),
873 			GFP_KERNEL);
874 
875 	if (!p_dac)
876 		return NULL;
877 
878 	/* check CRT table */
879 	dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
880 	if (dac_info) {
881 		rev = RBIOS8(dac_info) & 0x3;
882 		if (rev < 2) {
883 			bg = RBIOS8(dac_info + 0x2) & 0xf;
884 			dac = (RBIOS8(dac_info + 0x2) >> 4) & 0xf;
885 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
886 		} else {
887 			bg = RBIOS8(dac_info + 0x2) & 0xf;
888 			dac = RBIOS8(dac_info + 0x3) & 0xf;
889 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
890 		}
891 		/* if the values are zeros, use the table */
892 		if ((dac == 0) || (bg == 0))
893 			found = 0;
894 		else
895 			found = 1;
896 	}
897 
898 	/* quirks */
899 	/* Radeon 7000 (RV100) */
900 	if (((dev->pdev->device == 0x5159) &&
901 	    (dev->pdev->subsystem_vendor == 0x174B) &&
902 	    (dev->pdev->subsystem_device == 0x7c28)) ||
903 	/* Radeon 9100 (R200) */
904 	   ((dev->pdev->device == 0x514D) &&
905 	    (dev->pdev->subsystem_vendor == 0x174B) &&
906 	    (dev->pdev->subsystem_device == 0x7149))) {
907 		/* vbios value is bad, use the default */
908 		found = 0;
909 	}
910 
911 	if (!found) /* fallback to defaults */
912 		radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac);
913 
914 	return p_dac;
915 }
916 
917 enum radeon_tv_std
918 radeon_combios_get_tv_info(struct radeon_device *rdev)
919 {
920 	struct drm_device *dev = rdev->ddev;
921 	uint16_t tv_info;
922 	enum radeon_tv_std tv_std = TV_STD_NTSC;
923 
924 	tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
925 	if (tv_info) {
926 		if (RBIOS8(tv_info + 6) == 'T') {
927 			switch (RBIOS8(tv_info + 7) & 0xf) {
928 			case 1:
929 				tv_std = TV_STD_NTSC;
930 				DRM_DEBUG_KMS("Default TV standard: NTSC\n");
931 				break;
932 			case 2:
933 				tv_std = TV_STD_PAL;
934 				DRM_DEBUG_KMS("Default TV standard: PAL\n");
935 				break;
936 			case 3:
937 				tv_std = TV_STD_PAL_M;
938 				DRM_DEBUG_KMS("Default TV standard: PAL-M\n");
939 				break;
940 			case 4:
941 				tv_std = TV_STD_PAL_60;
942 				DRM_DEBUG_KMS("Default TV standard: PAL-60\n");
943 				break;
944 			case 5:
945 				tv_std = TV_STD_NTSC_J;
946 				DRM_DEBUG_KMS("Default TV standard: NTSC-J\n");
947 				break;
948 			case 6:
949 				tv_std = TV_STD_SCART_PAL;
950 				DRM_DEBUG_KMS("Default TV standard: SCART-PAL\n");
951 				break;
952 			default:
953 				tv_std = TV_STD_NTSC;
954 				DRM_DEBUG_KMS
955 				    ("Unknown TV standard; defaulting to NTSC\n");
956 				break;
957 			}
958 
959 			switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
960 			case 0:
961 				DRM_DEBUG_KMS("29.498928713 MHz TV ref clk\n");
962 				break;
963 			case 1:
964 				DRM_DEBUG_KMS("28.636360000 MHz TV ref clk\n");
965 				break;
966 			case 2:
967 				DRM_DEBUG_KMS("14.318180000 MHz TV ref clk\n");
968 				break;
969 			case 3:
970 				DRM_DEBUG_KMS("27.000000000 MHz TV ref clk\n");
971 				break;
972 			default:
973 				break;
974 			}
975 		}
976 	}
977 	return tv_std;
978 }
979 
980 static const uint32_t default_tvdac_adj[CHIP_LAST] = {
981 	0x00000000,		/* r100  */
982 	0x00280000,		/* rv100 */
983 	0x00000000,		/* rs100 */
984 	0x00880000,		/* rv200 */
985 	0x00000000,		/* rs200 */
986 	0x00000000,		/* r200  */
987 	0x00770000,		/* rv250 */
988 	0x00290000,		/* rs300 */
989 	0x00560000,		/* rv280 */
990 	0x00780000,		/* r300  */
991 	0x00770000,		/* r350  */
992 	0x00780000,		/* rv350 */
993 	0x00780000,		/* rv380 */
994 	0x01080000,		/* r420  */
995 	0x01080000,		/* r423  */
996 	0x01080000,		/* rv410 */
997 	0x00780000,		/* rs400 */
998 	0x00780000,		/* rs480 */
999 };
1000 
1001 static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
1002 						     struct radeon_encoder_tv_dac *tv_dac)
1003 {
1004 	tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
1005 	if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
1006 		tv_dac->ps2_tvdac_adj = 0x00880000;
1007 	tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1008 	tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1009 	return;
1010 }
1011 
1012 struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
1013 							     radeon_encoder
1014 							     *encoder)
1015 {
1016 	struct drm_device *dev = encoder->base.dev;
1017 	struct radeon_device *rdev = dev->dev_private;
1018 	uint16_t dac_info;
1019 	uint8_t rev, bg, dac;
1020 	struct radeon_encoder_tv_dac *tv_dac = NULL;
1021 	int found = 0;
1022 
1023 	tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
1024 	if (!tv_dac)
1025 		return NULL;
1026 
1027 	/* first check TV table */
1028 	dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
1029 	if (dac_info) {
1030 		rev = RBIOS8(dac_info + 0x3);
1031 		if (rev > 4) {
1032 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1033 			dac = RBIOS8(dac_info + 0xd) & 0xf;
1034 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1035 
1036 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1037 			dac = RBIOS8(dac_info + 0xf) & 0xf;
1038 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1039 
1040 			bg = RBIOS8(dac_info + 0x10) & 0xf;
1041 			dac = RBIOS8(dac_info + 0x11) & 0xf;
1042 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1043 			/* if the values are all zeros, use the table */
1044 			if (tv_dac->ps2_tvdac_adj)
1045 				found = 1;
1046 		} else if (rev > 1) {
1047 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1048 			dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
1049 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1050 
1051 			bg = RBIOS8(dac_info + 0xd) & 0xf;
1052 			dac = (RBIOS8(dac_info + 0xd) >> 4) & 0xf;
1053 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1054 
1055 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1056 			dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
1057 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1058 			/* if the values are all zeros, use the table */
1059 			if (tv_dac->ps2_tvdac_adj)
1060 				found = 1;
1061 		}
1062 		tv_dac->tv_std = radeon_combios_get_tv_info(rdev);
1063 	}
1064 	if (!found) {
1065 		/* then check CRT table */
1066 		dac_info =
1067 		    combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
1068 		if (dac_info) {
1069 			rev = RBIOS8(dac_info) & 0x3;
1070 			if (rev < 2) {
1071 				bg = RBIOS8(dac_info + 0x3) & 0xf;
1072 				dac = (RBIOS8(dac_info + 0x3) >> 4) & 0xf;
1073 				tv_dac->ps2_tvdac_adj =
1074 				    (bg << 16) | (dac << 20);
1075 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1076 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1077 				/* if the values are all zeros, use the table */
1078 				if (tv_dac->ps2_tvdac_adj)
1079 					found = 1;
1080 			} else {
1081 				bg = RBIOS8(dac_info + 0x4) & 0xf;
1082 				dac = RBIOS8(dac_info + 0x5) & 0xf;
1083 				tv_dac->ps2_tvdac_adj =
1084 				    (bg << 16) | (dac << 20);
1085 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1086 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1087 				/* if the values are all zeros, use the table */
1088 				if (tv_dac->ps2_tvdac_adj)
1089 					found = 1;
1090 			}
1091 		} else {
1092 			DRM_INFO("No TV DAC info found in BIOS\n");
1093 		}
1094 	}
1095 
1096 	if (!found) /* fallback to defaults */
1097 		radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
1098 
1099 	return tv_dac;
1100 }
1101 
1102 static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
1103 									 radeon_device
1104 									 *rdev)
1105 {
1106 	struct radeon_encoder_lvds *lvds = NULL;
1107 	uint32_t fp_vert_stretch, fp_horz_stretch;
1108 	uint32_t ppll_div_sel, ppll_val;
1109 	uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
1110 
1111 	lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1112 
1113 	if (!lvds)
1114 		return NULL;
1115 
1116 	fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH);
1117 	fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH);
1118 
1119 	/* These should be fail-safe defaults, fingers crossed */
1120 	lvds->panel_pwr_delay = 200;
1121 	lvds->panel_vcc_delay = 2000;
1122 
1123 	lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
1124 	lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf;
1125 	lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf;
1126 
1127 	if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
1128 		lvds->native_mode.vdisplay =
1129 		    ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
1130 		     RADEON_VERT_PANEL_SHIFT) + 1;
1131 	else
1132 		lvds->native_mode.vdisplay =
1133 		    (RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;
1134 
1135 	if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
1136 		lvds->native_mode.hdisplay =
1137 		    (((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
1138 		      RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
1139 	else
1140 		lvds->native_mode.hdisplay =
1141 		    ((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;
1142 
1143 	if ((lvds->native_mode.hdisplay < 640) ||
1144 	    (lvds->native_mode.vdisplay < 480)) {
1145 		lvds->native_mode.hdisplay = 640;
1146 		lvds->native_mode.vdisplay = 480;
1147 	}
1148 
1149 	ppll_div_sel = RREG8(RADEON_CLOCK_CNTL_INDEX + 1) & 0x3;
1150 	ppll_val = RREG32_PLL(RADEON_PPLL_DIV_0 + ppll_div_sel);
1151 	if ((ppll_val & 0x000707ff) == 0x1bb)
1152 		lvds->use_bios_dividers = false;
1153 	else {
1154 		lvds->panel_ref_divider =
1155 		    RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
1156 		lvds->panel_post_divider = (ppll_val >> 16) & 0x7;
1157 		lvds->panel_fb_divider = ppll_val & 0x7ff;
1158 
1159 		if ((lvds->panel_ref_divider != 0) &&
1160 		    (lvds->panel_fb_divider > 3))
1161 			lvds->use_bios_dividers = true;
1162 	}
1163 	lvds->panel_vcc_delay = 200;
1164 
1165 	DRM_INFO("Panel info derived from registers\n");
1166 	DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1167 		 lvds->native_mode.vdisplay);
1168 
1169 	return lvds;
1170 }
1171 
1172 struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
1173 							 *encoder)
1174 {
1175 	struct drm_device *dev = encoder->base.dev;
1176 	struct radeon_device *rdev = dev->dev_private;
1177 	uint16_t lcd_info;
1178 	uint32_t panel_setup;
1179 	char stmp[30];
1180 	int tmp, i;
1181 	struct radeon_encoder_lvds *lvds = NULL;
1182 
1183 	lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
1184 
1185 	if (lcd_info) {
1186 		lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1187 
1188 		if (!lvds)
1189 			return NULL;
1190 
1191 		for (i = 0; i < 24; i++)
1192 			stmp[i] = RBIOS8(lcd_info + i + 1);
1193 		stmp[24] = 0;
1194 
1195 		DRM_INFO("Panel ID String: %s\n", stmp);
1196 
1197 		lvds->native_mode.hdisplay = RBIOS16(lcd_info + 0x19);
1198 		lvds->native_mode.vdisplay = RBIOS16(lcd_info + 0x1b);
1199 
1200 		DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1201 			 lvds->native_mode.vdisplay);
1202 
1203 		lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
1204 		lvds->panel_vcc_delay = min_t(u16, lvds->panel_vcc_delay, 2000);
1205 
1206 		lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24);
1207 		lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf;
1208 		lvds->panel_blon_delay = (RBIOS16(lcd_info + 0x38) >> 4) & 0xf;
1209 
1210 		lvds->panel_ref_divider = RBIOS16(lcd_info + 0x2e);
1211 		lvds->panel_post_divider = RBIOS8(lcd_info + 0x30);
1212 		lvds->panel_fb_divider = RBIOS16(lcd_info + 0x31);
1213 		if ((lvds->panel_ref_divider != 0) &&
1214 		    (lvds->panel_fb_divider > 3))
1215 			lvds->use_bios_dividers = true;
1216 
1217 		panel_setup = RBIOS32(lcd_info + 0x39);
1218 		lvds->lvds_gen_cntl = 0xff00;
1219 		if (panel_setup & 0x1)
1220 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
1221 
1222 		if ((panel_setup >> 4) & 0x1)
1223 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
1224 
1225 		switch ((panel_setup >> 8) & 0x7) {
1226 		case 0:
1227 			lvds->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
1228 			break;
1229 		case 1:
1230 			lvds->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
1231 			break;
1232 		case 2:
1233 			lvds->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
1234 			break;
1235 		default:
1236 			break;
1237 		}
1238 
1239 		if ((panel_setup >> 16) & 0x1)
1240 			lvds->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
1241 
1242 		if ((panel_setup >> 17) & 0x1)
1243 			lvds->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
1244 
1245 		if ((panel_setup >> 18) & 0x1)
1246 			lvds->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
1247 
1248 		if ((panel_setup >> 23) & 0x1)
1249 			lvds->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
1250 
1251 		lvds->lvds_gen_cntl |= (panel_setup & 0xf0000000);
1252 
1253 		for (i = 0; i < 32; i++) {
1254 			tmp = RBIOS16(lcd_info + 64 + i * 2);
1255 			if (tmp == 0)
1256 				break;
1257 
1258 			if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
1259 			    (RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) {
1260 				u32 hss = (RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8;
1261 
1262 				if (hss > lvds->native_mode.hdisplay)
1263 					hss = (10 - 1) * 8;
1264 
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 					hss;
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 CONFIG_PPC_PMAC
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 /* CONFIG_PPC_PMAC */
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 static const char *thermal_controller_names[] = {
2632 	"NONE",
2633 	"lm63",
2634 	"adm1032",
2635 };
2636 
2637 void radeon_combios_get_power_modes(struct radeon_device *rdev)
2638 {
2639 	struct drm_device *dev = rdev->ddev;
2640 	u16 offset, misc, misc2 = 0;
2641 	u8 rev, blocks, tmp;
2642 	int state_index = 0;
2643 	struct radeon_i2c_bus_rec i2c_bus;
2644 
2645 	rdev->pm.default_power_state_index = -1;
2646 
2647 	/* allocate 2 power states */
2648 	rdev->pm.power_state = kcalloc(2, sizeof(struct radeon_power_state),
2649 				       GFP_KERNEL);
2650 	if (rdev->pm.power_state) {
2651 		/* allocate 1 clock mode per state */
2652 		rdev->pm.power_state[0].clock_info =
2653 			kcalloc(1, sizeof(struct radeon_pm_clock_info),
2654 				GFP_KERNEL);
2655 		rdev->pm.power_state[1].clock_info =
2656 			kcalloc(1, sizeof(struct radeon_pm_clock_info),
2657 				GFP_KERNEL);
2658 		if (!rdev->pm.power_state[0].clock_info ||
2659 		    !rdev->pm.power_state[1].clock_info)
2660 			goto pm_failed;
2661 	} else
2662 		goto pm_failed;
2663 
2664 	/* check for a thermal chip */
2665 	offset = combios_get_table_offset(dev, COMBIOS_OVERDRIVE_INFO_TABLE);
2666 	if (offset) {
2667 		u8 thermal_controller = 0, gpio = 0, i2c_addr = 0, clk_bit = 0, data_bit = 0;
2668 
2669 		rev = RBIOS8(offset);
2670 
2671 		if (rev == 0) {
2672 			thermal_controller = RBIOS8(offset + 3);
2673 			gpio = RBIOS8(offset + 4) & 0x3f;
2674 			i2c_addr = RBIOS8(offset + 5);
2675 		} else if (rev == 1) {
2676 			thermal_controller = RBIOS8(offset + 4);
2677 			gpio = RBIOS8(offset + 5) & 0x3f;
2678 			i2c_addr = RBIOS8(offset + 6);
2679 		} else if (rev == 2) {
2680 			thermal_controller = RBIOS8(offset + 4);
2681 			gpio = RBIOS8(offset + 5) & 0x3f;
2682 			i2c_addr = RBIOS8(offset + 6);
2683 			clk_bit = RBIOS8(offset + 0xa);
2684 			data_bit = RBIOS8(offset + 0xb);
2685 		}
2686 		if ((thermal_controller > 0) && (thermal_controller < 3)) {
2687 			DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2688 				 thermal_controller_names[thermal_controller],
2689 				 i2c_addr >> 1);
2690 			if (gpio == DDC_LCD) {
2691 				/* MM i2c */
2692 				i2c_bus.valid = true;
2693 				i2c_bus.hw_capable = true;
2694 				i2c_bus.mm_i2c = true;
2695 				i2c_bus.i2c_id = 0xa0;
2696 			} else if (gpio == DDC_GPIO)
2697 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 1 << clk_bit, 1 << data_bit);
2698 			else
2699 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
2700 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
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 		}
2709 	} else {
2710 		/* boards with a thermal chip, but no overdrive table */
2711 
2712 		/* Asus 9600xt has an f75375 on the monid bus */
2713 		if ((dev->pdev->device == 0x4152) &&
2714 		    (dev->pdev->subsystem_vendor == 0x1043) &&
2715 		    (dev->pdev->subsystem_device == 0xc002)) {
2716 			i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2717 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2718 			if (rdev->pm.i2c_bus) {
2719 				struct i2c_board_info info = { };
2720 				const char *name = "f75375";
2721 				info.addr = 0x28;
2722 				strlcpy(info.type, name, sizeof(info.type));
2723 				i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
2724 				DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2725 					 name, info.addr);
2726 			}
2727 		}
2728 	}
2729 
2730 	if (rdev->flags & RADEON_IS_MOBILITY) {
2731 		offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
2732 		if (offset) {
2733 			rev = RBIOS8(offset);
2734 			blocks = RBIOS8(offset + 0x2);
2735 			/* power mode 0 tends to be the only valid one */
2736 			rdev->pm.power_state[state_index].num_clock_modes = 1;
2737 			rdev->pm.power_state[state_index].clock_info[0].mclk = RBIOS32(offset + 0x5 + 0x2);
2738 			rdev->pm.power_state[state_index].clock_info[0].sclk = RBIOS32(offset + 0x5 + 0x6);
2739 			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2740 			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2741 				goto default_mode;
2742 			rdev->pm.power_state[state_index].type =
2743 				POWER_STATE_TYPE_BATTERY;
2744 			misc = RBIOS16(offset + 0x5 + 0x0);
2745 			if (rev > 4)
2746 				misc2 = RBIOS16(offset + 0x5 + 0xe);
2747 			rdev->pm.power_state[state_index].misc = misc;
2748 			rdev->pm.power_state[state_index].misc2 = misc2;
2749 			if (misc & 0x4) {
2750 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
2751 				if (misc & 0x8)
2752 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2753 						true;
2754 				else
2755 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2756 						false;
2757 				rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = true;
2758 				if (rev < 6) {
2759 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2760 						RBIOS16(offset + 0x5 + 0xb) * 4;
2761 					tmp = RBIOS8(offset + 0x5 + 0xd);
2762 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2763 				} else {
2764 					u8 entries = RBIOS8(offset + 0x5 + 0xb);
2765 					u16 voltage_table_offset = RBIOS16(offset + 0x5 + 0xc);
2766 					if (entries && voltage_table_offset) {
2767 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2768 							RBIOS16(voltage_table_offset) * 4;
2769 						tmp = RBIOS8(voltage_table_offset + 0x2);
2770 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2771 					} else
2772 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = false;
2773 				}
2774 				switch ((misc2 & 0x700) >> 8) {
2775 				case 0:
2776 				default:
2777 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 0;
2778 					break;
2779 				case 1:
2780 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 33;
2781 					break;
2782 				case 2:
2783 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 66;
2784 					break;
2785 				case 3:
2786 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 99;
2787 					break;
2788 				case 4:
2789 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 132;
2790 					break;
2791 				}
2792 			} else
2793 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2794 			if (rev > 6)
2795 				rdev->pm.power_state[state_index].pcie_lanes =
2796 					RBIOS8(offset + 0x5 + 0x10);
2797 			rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2798 			state_index++;
2799 		} else {
2800 			/* XXX figure out some good default low power mode for mobility cards w/out power tables */
2801 		}
2802 	} else {
2803 		/* XXX figure out some good default low power mode for desktop cards */
2804 	}
2805 
2806 default_mode:
2807 	/* add the default mode */
2808 	rdev->pm.power_state[state_index].type =
2809 		POWER_STATE_TYPE_DEFAULT;
2810 	rdev->pm.power_state[state_index].num_clock_modes = 1;
2811 	rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
2812 	rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
2813 	rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
2814 	if ((state_index > 0) &&
2815 	    (rdev->pm.power_state[0].clock_info[0].voltage.type == VOLTAGE_GPIO))
2816 		rdev->pm.power_state[state_index].clock_info[0].voltage =
2817 			rdev->pm.power_state[0].clock_info[0].voltage;
2818 	else
2819 		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2820 	rdev->pm.power_state[state_index].pcie_lanes = 16;
2821 	rdev->pm.power_state[state_index].flags = 0;
2822 	rdev->pm.default_power_state_index = state_index;
2823 	rdev->pm.num_power_states = state_index + 1;
2824 
2825 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2826 	rdev->pm.current_clock_mode_index = 0;
2827 	return;
2828 
2829 pm_failed:
2830 	rdev->pm.default_power_state_index = state_index;
2831 	rdev->pm.num_power_states = 0;
2832 
2833 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2834 	rdev->pm.current_clock_mode_index = 0;
2835 }
2836 
2837 void radeon_external_tmds_setup(struct drm_encoder *encoder)
2838 {
2839 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2840 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2841 
2842 	if (!tmds)
2843 		return;
2844 
2845 	switch (tmds->dvo_chip) {
2846 	case DVO_SIL164:
2847 		/* sil 164 */
2848 		radeon_i2c_put_byte(tmds->i2c_bus,
2849 				    tmds->slave_addr,
2850 				    0x08, 0x30);
2851 		radeon_i2c_put_byte(tmds->i2c_bus,
2852 				       tmds->slave_addr,
2853 				       0x09, 0x00);
2854 		radeon_i2c_put_byte(tmds->i2c_bus,
2855 				    tmds->slave_addr,
2856 				    0x0a, 0x90);
2857 		radeon_i2c_put_byte(tmds->i2c_bus,
2858 				    tmds->slave_addr,
2859 				    0x0c, 0x89);
2860 		radeon_i2c_put_byte(tmds->i2c_bus,
2861 				       tmds->slave_addr,
2862 				       0x08, 0x3b);
2863 		break;
2864 	case DVO_SIL1178:
2865 		/* sil 1178 - untested */
2866 		/*
2867 		 * 0x0f, 0x44
2868 		 * 0x0f, 0x4c
2869 		 * 0x0e, 0x01
2870 		 * 0x0a, 0x80
2871 		 * 0x09, 0x30
2872 		 * 0x0c, 0xc9
2873 		 * 0x0d, 0x70
2874 		 * 0x08, 0x32
2875 		 * 0x08, 0x33
2876 		 */
2877 		break;
2878 	default:
2879 		break;
2880 	}
2881 
2882 }
2883 
2884 bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
2885 {
2886 	struct drm_device *dev = encoder->dev;
2887 	struct radeon_device *rdev = dev->dev_private;
2888 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2889 	uint16_t offset;
2890 	uint8_t blocks, slave_addr, rev;
2891 	uint32_t index, id;
2892 	uint32_t reg, val, and_mask, or_mask;
2893 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2894 
2895 	if (!tmds)
2896 		return false;
2897 
2898 	if (rdev->flags & RADEON_IS_IGP) {
2899 		offset = combios_get_table_offset(dev, COMBIOS_TMDS_POWER_ON_TABLE);
2900 		rev = RBIOS8(offset);
2901 		if (offset) {
2902 			rev = RBIOS8(offset);
2903 			if (rev > 1) {
2904 				blocks = RBIOS8(offset + 3);
2905 				index = offset + 4;
2906 				while (blocks > 0) {
2907 					id = RBIOS16(index);
2908 					index += 2;
2909 					switch (id >> 13) {
2910 					case 0:
2911 						reg = (id & 0x1fff) * 4;
2912 						val = RBIOS32(index);
2913 						index += 4;
2914 						WREG32(reg, val);
2915 						break;
2916 					case 2:
2917 						reg = (id & 0x1fff) * 4;
2918 						and_mask = RBIOS32(index);
2919 						index += 4;
2920 						or_mask = RBIOS32(index);
2921 						index += 4;
2922 						val = RREG32(reg);
2923 						val = (val & and_mask) | or_mask;
2924 						WREG32(reg, val);
2925 						break;
2926 					case 3:
2927 						val = RBIOS16(index);
2928 						index += 2;
2929 						udelay(val);
2930 						break;
2931 					case 4:
2932 						val = RBIOS16(index);
2933 						index += 2;
2934 						mdelay(val);
2935 						break;
2936 					case 6:
2937 						slave_addr = id & 0xff;
2938 						slave_addr >>= 1; /* 7 bit addressing */
2939 						index++;
2940 						reg = RBIOS8(index);
2941 						index++;
2942 						val = RBIOS8(index);
2943 						index++;
2944 						radeon_i2c_put_byte(tmds->i2c_bus,
2945 								    slave_addr,
2946 								    reg, val);
2947 						break;
2948 					default:
2949 						DRM_ERROR("Unknown id %d\n", id >> 13);
2950 						break;
2951 					}
2952 					blocks--;
2953 				}
2954 				return true;
2955 			}
2956 		}
2957 	} else {
2958 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2959 		if (offset) {
2960 			index = offset + 10;
2961 			id = RBIOS16(index);
2962 			while (id != 0xffff) {
2963 				index += 2;
2964 				switch (id >> 13) {
2965 				case 0:
2966 					reg = (id & 0x1fff) * 4;
2967 					val = RBIOS32(index);
2968 					WREG32(reg, val);
2969 					break;
2970 				case 2:
2971 					reg = (id & 0x1fff) * 4;
2972 					and_mask = RBIOS32(index);
2973 					index += 4;
2974 					or_mask = RBIOS32(index);
2975 					index += 4;
2976 					val = RREG32(reg);
2977 					val = (val & and_mask) | or_mask;
2978 					WREG32(reg, val);
2979 					break;
2980 				case 4:
2981 					val = RBIOS16(index);
2982 					index += 2;
2983 					udelay(val);
2984 					break;
2985 				case 5:
2986 					reg = id & 0x1fff;
2987 					and_mask = RBIOS32(index);
2988 					index += 4;
2989 					or_mask = RBIOS32(index);
2990 					index += 4;
2991 					val = RREG32_PLL(reg);
2992 					val = (val & and_mask) | or_mask;
2993 					WREG32_PLL(reg, val);
2994 					break;
2995 				case 6:
2996 					reg = id & 0x1fff;
2997 					val = RBIOS8(index);
2998 					index += 1;
2999 					radeon_i2c_put_byte(tmds->i2c_bus,
3000 							    tmds->slave_addr,
3001 							    reg, val);
3002 					break;
3003 				default:
3004 					DRM_ERROR("Unknown id %d\n", id >> 13);
3005 					break;
3006 				}
3007 				id = RBIOS16(index);
3008 			}
3009 			return true;
3010 		}
3011 	}
3012 	return false;
3013 }
3014 
3015 static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
3016 {
3017 	struct radeon_device *rdev = dev->dev_private;
3018 
3019 	if (offset) {
3020 		while (RBIOS16(offset)) {
3021 			uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
3022 			uint32_t addr = (RBIOS16(offset) & 0x1fff);
3023 			uint32_t val, and_mask, or_mask;
3024 			uint32_t tmp;
3025 
3026 			offset += 2;
3027 			switch (cmd) {
3028 			case 0:
3029 				val = RBIOS32(offset);
3030 				offset += 4;
3031 				WREG32(addr, val);
3032 				break;
3033 			case 1:
3034 				val = RBIOS32(offset);
3035 				offset += 4;
3036 				WREG32(addr, val);
3037 				break;
3038 			case 2:
3039 				and_mask = RBIOS32(offset);
3040 				offset += 4;
3041 				or_mask = RBIOS32(offset);
3042 				offset += 4;
3043 				tmp = RREG32(addr);
3044 				tmp &= and_mask;
3045 				tmp |= or_mask;
3046 				WREG32(addr, tmp);
3047 				break;
3048 			case 3:
3049 				and_mask = RBIOS32(offset);
3050 				offset += 4;
3051 				or_mask = RBIOS32(offset);
3052 				offset += 4;
3053 				tmp = RREG32(addr);
3054 				tmp &= and_mask;
3055 				tmp |= or_mask;
3056 				WREG32(addr, tmp);
3057 				break;
3058 			case 4:
3059 				val = RBIOS16(offset);
3060 				offset += 2;
3061 				udelay(val);
3062 				break;
3063 			case 5:
3064 				val = RBIOS16(offset);
3065 				offset += 2;
3066 				switch (addr) {
3067 				case 8:
3068 					while (val--) {
3069 						if (!
3070 						    (RREG32_PLL
3071 						     (RADEON_CLK_PWRMGT_CNTL) &
3072 						     RADEON_MC_BUSY))
3073 							break;
3074 					}
3075 					break;
3076 				case 9:
3077 					while (val--) {
3078 						if ((RREG32(RADEON_MC_STATUS) &
3079 						     RADEON_MC_IDLE))
3080 							break;
3081 					}
3082 					break;
3083 				default:
3084 					break;
3085 				}
3086 				break;
3087 			default:
3088 				break;
3089 			}
3090 		}
3091 	}
3092 }
3093 
3094 static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
3095 {
3096 	struct radeon_device *rdev = dev->dev_private;
3097 
3098 	if (offset) {
3099 		while (RBIOS8(offset)) {
3100 			uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
3101 			uint8_t addr = (RBIOS8(offset) & 0x3f);
3102 			uint32_t val, shift, tmp;
3103 			uint32_t and_mask, or_mask;
3104 
3105 			offset++;
3106 			switch (cmd) {
3107 			case 0:
3108 				val = RBIOS32(offset);
3109 				offset += 4;
3110 				WREG32_PLL(addr, val);
3111 				break;
3112 			case 1:
3113 				shift = RBIOS8(offset) * 8;
3114 				offset++;
3115 				and_mask = RBIOS8(offset) << shift;
3116 				and_mask |= ~(0xff << shift);
3117 				offset++;
3118 				or_mask = RBIOS8(offset) << shift;
3119 				offset++;
3120 				tmp = RREG32_PLL(addr);
3121 				tmp &= and_mask;
3122 				tmp |= or_mask;
3123 				WREG32_PLL(addr, tmp);
3124 				break;
3125 			case 2:
3126 			case 3:
3127 				tmp = 1000;
3128 				switch (addr) {
3129 				case 1:
3130 					udelay(150);
3131 					break;
3132 				case 2:
3133 					mdelay(1);
3134 					break;
3135 				case 3:
3136 					while (tmp--) {
3137 						if (!
3138 						    (RREG32_PLL
3139 						     (RADEON_CLK_PWRMGT_CNTL) &
3140 						     RADEON_MC_BUSY))
3141 							break;
3142 					}
3143 					break;
3144 				case 4:
3145 					while (tmp--) {
3146 						if (RREG32_PLL
3147 						    (RADEON_CLK_PWRMGT_CNTL) &
3148 						    RADEON_DLL_READY)
3149 							break;
3150 					}
3151 					break;
3152 				case 5:
3153 					tmp =
3154 					    RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
3155 					if (tmp & RADEON_CG_NO1_DEBUG_0) {
3156 #if 0
3157 						uint32_t mclk_cntl =
3158 						    RREG32_PLL
3159 						    (RADEON_MCLK_CNTL);
3160 						mclk_cntl &= 0xffff0000;
3161 						/*mclk_cntl |= 0x00001111;*//* ??? */
3162 						WREG32_PLL(RADEON_MCLK_CNTL,
3163 							   mclk_cntl);
3164 						mdelay(10);
3165 #endif
3166 						WREG32_PLL
3167 						    (RADEON_CLK_PWRMGT_CNTL,
3168 						     tmp &
3169 						     ~RADEON_CG_NO1_DEBUG_0);
3170 						mdelay(10);
3171 					}
3172 					break;
3173 				default:
3174 					break;
3175 				}
3176 				break;
3177 			default:
3178 				break;
3179 			}
3180 		}
3181 	}
3182 }
3183 
3184 static void combios_parse_ram_reset_table(struct drm_device *dev,
3185 					  uint16_t offset)
3186 {
3187 	struct radeon_device *rdev = dev->dev_private;
3188 	uint32_t tmp;
3189 
3190 	if (offset) {
3191 		uint8_t val = RBIOS8(offset);
3192 		while (val != 0xff) {
3193 			offset++;
3194 
3195 			if (val == 0x0f) {
3196 				uint32_t channel_complete_mask;
3197 
3198 				if (ASIC_IS_R300(rdev))
3199 					channel_complete_mask =
3200 					    R300_MEM_PWRUP_COMPLETE;
3201 				else
3202 					channel_complete_mask =
3203 					    RADEON_MEM_PWRUP_COMPLETE;
3204 				tmp = 20000;
3205 				while (tmp--) {
3206 					if ((RREG32(RADEON_MEM_STR_CNTL) &
3207 					     channel_complete_mask) ==
3208 					    channel_complete_mask)
3209 						break;
3210 				}
3211 			} else {
3212 				uint32_t or_mask = RBIOS16(offset);
3213 				offset += 2;
3214 
3215 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3216 				tmp &= RADEON_SDRAM_MODE_MASK;
3217 				tmp |= or_mask;
3218 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3219 
3220 				or_mask = val << 24;
3221 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3222 				tmp &= RADEON_B3MEM_RESET_MASK;
3223 				tmp |= or_mask;
3224 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3225 			}
3226 			val = RBIOS8(offset);
3227 		}
3228 	}
3229 }
3230 
3231 static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
3232 				   int mem_addr_mapping)
3233 {
3234 	struct radeon_device *rdev = dev->dev_private;
3235 	uint32_t mem_cntl;
3236 	uint32_t mem_size;
3237 	uint32_t addr = 0;
3238 
3239 	mem_cntl = RREG32(RADEON_MEM_CNTL);
3240 	if (mem_cntl & RV100_HALF_MODE)
3241 		ram /= 2;
3242 	mem_size = ram;
3243 	mem_cntl &= ~(0xff << 8);
3244 	mem_cntl |= (mem_addr_mapping & 0xff) << 8;
3245 	WREG32(RADEON_MEM_CNTL, mem_cntl);
3246 	RREG32(RADEON_MEM_CNTL);
3247 
3248 	/* sdram reset ? */
3249 
3250 	/* something like this????  */
3251 	while (ram--) {
3252 		addr = ram * 1024 * 1024;
3253 		/* write to each page */
3254 		WREG32_IDX((addr) | RADEON_MM_APER, 0xdeadbeef);
3255 		/* read back and verify */
3256 		if (RREG32_IDX((addr) | RADEON_MM_APER) != 0xdeadbeef)
3257 			return 0;
3258 	}
3259 
3260 	return mem_size;
3261 }
3262 
3263 static void combios_write_ram_size(struct drm_device *dev)
3264 {
3265 	struct radeon_device *rdev = dev->dev_private;
3266 	uint8_t rev;
3267 	uint16_t offset;
3268 	uint32_t mem_size = 0;
3269 	uint32_t mem_cntl = 0;
3270 
3271 	/* should do something smarter here I guess... */
3272 	if (rdev->flags & RADEON_IS_IGP)
3273 		return;
3274 
3275 	/* first check detected mem table */
3276 	offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
3277 	if (offset) {
3278 		rev = RBIOS8(offset);
3279 		if (rev < 3) {
3280 			mem_cntl = RBIOS32(offset + 1);
3281 			mem_size = RBIOS16(offset + 5);
3282 			if ((rdev->family < CHIP_R200) &&
3283 			    !ASIC_IS_RN50(rdev))
3284 				WREG32(RADEON_MEM_CNTL, mem_cntl);
3285 		}
3286 	}
3287 
3288 	if (!mem_size) {
3289 		offset =
3290 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
3291 		if (offset) {
3292 			rev = RBIOS8(offset - 1);
3293 			if (rev < 1) {
3294 				if ((rdev->family < CHIP_R200)
3295 				    && !ASIC_IS_RN50(rdev)) {
3296 					int ram = 0;
3297 					int mem_addr_mapping = 0;
3298 
3299 					while (RBIOS8(offset)) {
3300 						ram = RBIOS8(offset);
3301 						mem_addr_mapping =
3302 						    RBIOS8(offset + 1);
3303 						if (mem_addr_mapping != 0x25)
3304 							ram *= 2;
3305 						mem_size =
3306 						    combios_detect_ram(dev, ram,
3307 								       mem_addr_mapping);
3308 						if (mem_size)
3309 							break;
3310 						offset += 2;
3311 					}
3312 				} else
3313 					mem_size = RBIOS8(offset);
3314 			} else {
3315 				mem_size = RBIOS8(offset);
3316 				mem_size *= 2;	/* convert to MB */
3317 			}
3318 		}
3319 	}
3320 
3321 	mem_size *= (1024 * 1024);	/* convert to bytes */
3322 	WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
3323 }
3324 
3325 void radeon_combios_asic_init(struct drm_device *dev)
3326 {
3327 	struct radeon_device *rdev = dev->dev_private;
3328 	uint16_t table;
3329 
3330 	/* port hardcoded mac stuff from radeonfb */
3331 	if (rdev->bios == NULL)
3332 		return;
3333 
3334 	/* ASIC INIT 1 */
3335 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE);
3336 	if (table)
3337 		combios_parse_mmio_table(dev, table);
3338 
3339 	/* PLL INIT */
3340 	table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE);
3341 	if (table)
3342 		combios_parse_pll_table(dev, table);
3343 
3344 	/* ASIC INIT 2 */
3345 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE);
3346 	if (table)
3347 		combios_parse_mmio_table(dev, table);
3348 
3349 	if (!(rdev->flags & RADEON_IS_IGP)) {
3350 		/* ASIC INIT 4 */
3351 		table =
3352 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE);
3353 		if (table)
3354 			combios_parse_mmio_table(dev, table);
3355 
3356 		/* RAM RESET */
3357 		table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE);
3358 		if (table)
3359 			combios_parse_ram_reset_table(dev, table);
3360 
3361 		/* ASIC INIT 3 */
3362 		table =
3363 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE);
3364 		if (table)
3365 			combios_parse_mmio_table(dev, table);
3366 
3367 		/* write CONFIG_MEMSIZE */
3368 		combios_write_ram_size(dev);
3369 	}
3370 
3371 	/* quirk for rs4xx HP nx6125 laptop to make it resume
3372 	 * - it hangs on resume inside the dynclk 1 table.
3373 	 */
3374 	if (rdev->family == CHIP_RS480 &&
3375 	    rdev->pdev->subsystem_vendor == 0x103c &&
3376 	    rdev->pdev->subsystem_device == 0x308b)
3377 		return;
3378 
3379 	/* quirk for rs4xx HP dv5000 laptop to make it resume
3380 	 * - it hangs on resume inside the dynclk 1 table.
3381 	 */
3382 	if (rdev->family == CHIP_RS480 &&
3383 	    rdev->pdev->subsystem_vendor == 0x103c &&
3384 	    rdev->pdev->subsystem_device == 0x30a4)
3385 		return;
3386 
3387 	/* quirk for rs4xx Compaq Presario V5245EU laptop to make it resume
3388 	 * - it hangs on resume inside the dynclk 1 table.
3389 	 */
3390 	if (rdev->family == CHIP_RS480 &&
3391 	    rdev->pdev->subsystem_vendor == 0x103c &&
3392 	    rdev->pdev->subsystem_device == 0x30ae)
3393 		return;
3394 
3395 	/* quirk for rs4xx HP Compaq dc5750 Small Form Factor to make it resume
3396 	 * - it hangs on resume inside the dynclk 1 table.
3397 	 */
3398 	if (rdev->family == CHIP_RS480 &&
3399 	    rdev->pdev->subsystem_vendor == 0x103c &&
3400 	    rdev->pdev->subsystem_device == 0x280a)
3401 		return;
3402 	/* quirk for rs4xx Toshiba Sattellite L20-183 latop to make it resume
3403 	 * - it hangs on resume inside the dynclk 1 table.
3404 	 */
3405 	if (rdev->family == CHIP_RS400 &&
3406 	    rdev->pdev->subsystem_vendor == 0x1179 &&
3407 	    rdev->pdev->subsystem_device == 0xff31)
3408 	        return;
3409 
3410 	/* DYN CLK 1 */
3411 	table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3412 	if (table)
3413 		combios_parse_pll_table(dev, table);
3414 
3415 }
3416 
3417 void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
3418 {
3419 	struct radeon_device *rdev = dev->dev_private;
3420 	uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
3421 
3422 	bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
3423 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3424 	bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
3425 
3426 	/* let the bios control the backlight */
3427 	bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
3428 
3429 	/* tell the bios not to handle mode switching */
3430 	bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
3431 			   RADEON_ACC_MODE_CHANGE);
3432 
3433 	/* tell the bios a driver is loaded */
3434 	bios_7_scratch |= RADEON_DRV_LOADED;
3435 
3436 	WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
3437 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3438 	WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
3439 }
3440 
3441 void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
3442 {
3443 	struct drm_device *dev = encoder->dev;
3444 	struct radeon_device *rdev = dev->dev_private;
3445 	uint32_t bios_6_scratch;
3446 
3447 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3448 
3449 	if (lock)
3450 		bios_6_scratch |= RADEON_DRIVER_CRITICAL;
3451 	else
3452 		bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
3453 
3454 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3455 }
3456 
3457 void
3458 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
3459 				      struct drm_encoder *encoder,
3460 				      bool connected)
3461 {
3462 	struct drm_device *dev = connector->dev;
3463 	struct radeon_device *rdev = dev->dev_private;
3464 	struct radeon_connector *radeon_connector =
3465 	    to_radeon_connector(connector);
3466 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3467 	uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
3468 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3469 
3470 	if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
3471 	    (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
3472 		if (connected) {
3473 			DRM_DEBUG_KMS("TV1 connected\n");
3474 			/* fix me */
3475 			bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
3476 			/*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
3477 			bios_5_scratch |= RADEON_TV1_ON;
3478 			bios_5_scratch |= RADEON_ACC_REQ_TV1;
3479 		} else {
3480 			DRM_DEBUG_KMS("TV1 disconnected\n");
3481 			bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
3482 			bios_5_scratch &= ~RADEON_TV1_ON;
3483 			bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
3484 		}
3485 	}
3486 	if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
3487 	    (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
3488 		if (connected) {
3489 			DRM_DEBUG_KMS("LCD1 connected\n");
3490 			bios_4_scratch |= RADEON_LCD1_ATTACHED;
3491 			bios_5_scratch |= RADEON_LCD1_ON;
3492 			bios_5_scratch |= RADEON_ACC_REQ_LCD1;
3493 		} else {
3494 			DRM_DEBUG_KMS("LCD1 disconnected\n");
3495 			bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
3496 			bios_5_scratch &= ~RADEON_LCD1_ON;
3497 			bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
3498 		}
3499 	}
3500 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
3501 	    (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
3502 		if (connected) {
3503 			DRM_DEBUG_KMS("CRT1 connected\n");
3504 			bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
3505 			bios_5_scratch |= RADEON_CRT1_ON;
3506 			bios_5_scratch |= RADEON_ACC_REQ_CRT1;
3507 		} else {
3508 			DRM_DEBUG_KMS("CRT1 disconnected\n");
3509 			bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
3510 			bios_5_scratch &= ~RADEON_CRT1_ON;
3511 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
3512 		}
3513 	}
3514 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
3515 	    (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
3516 		if (connected) {
3517 			DRM_DEBUG_KMS("CRT2 connected\n");
3518 			bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
3519 			bios_5_scratch |= RADEON_CRT2_ON;
3520 			bios_5_scratch |= RADEON_ACC_REQ_CRT2;
3521 		} else {
3522 			DRM_DEBUG_KMS("CRT2 disconnected\n");
3523 			bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
3524 			bios_5_scratch &= ~RADEON_CRT2_ON;
3525 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
3526 		}
3527 	}
3528 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
3529 	    (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
3530 		if (connected) {
3531 			DRM_DEBUG_KMS("DFP1 connected\n");
3532 			bios_4_scratch |= RADEON_DFP1_ATTACHED;
3533 			bios_5_scratch |= RADEON_DFP1_ON;
3534 			bios_5_scratch |= RADEON_ACC_REQ_DFP1;
3535 		} else {
3536 			DRM_DEBUG_KMS("DFP1 disconnected\n");
3537 			bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
3538 			bios_5_scratch &= ~RADEON_DFP1_ON;
3539 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
3540 		}
3541 	}
3542 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
3543 	    (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
3544 		if (connected) {
3545 			DRM_DEBUG_KMS("DFP2 connected\n");
3546 			bios_4_scratch |= RADEON_DFP2_ATTACHED;
3547 			bios_5_scratch |= RADEON_DFP2_ON;
3548 			bios_5_scratch |= RADEON_ACC_REQ_DFP2;
3549 		} else {
3550 			DRM_DEBUG_KMS("DFP2 disconnected\n");
3551 			bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
3552 			bios_5_scratch &= ~RADEON_DFP2_ON;
3553 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
3554 		}
3555 	}
3556 	WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
3557 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3558 }
3559 
3560 void
3561 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
3562 {
3563 	struct drm_device *dev = encoder->dev;
3564 	struct radeon_device *rdev = dev->dev_private;
3565 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3566 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3567 
3568 	if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
3569 		bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
3570 		bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
3571 	}
3572 	if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
3573 		bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
3574 		bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
3575 	}
3576 	if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
3577 		bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
3578 		bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
3579 	}
3580 	if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
3581 		bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
3582 		bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
3583 	}
3584 	if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
3585 		bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
3586 		bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
3587 	}
3588 	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
3589 		bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
3590 		bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
3591 	}
3592 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3593 }
3594 
3595 void
3596 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
3597 {
3598 	struct drm_device *dev = encoder->dev;
3599 	struct radeon_device *rdev = dev->dev_private;
3600 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3601 	uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3602 
3603 	if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
3604 		if (on)
3605 			bios_6_scratch |= RADEON_TV_DPMS_ON;
3606 		else
3607 			bios_6_scratch &= ~RADEON_TV_DPMS_ON;
3608 	}
3609 	if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3610 		if (on)
3611 			bios_6_scratch |= RADEON_CRT_DPMS_ON;
3612 		else
3613 			bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
3614 	}
3615 	if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3616 		if (on)
3617 			bios_6_scratch |= RADEON_LCD_DPMS_ON;
3618 		else
3619 			bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
3620 	}
3621 	if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
3622 		if (on)
3623 			bios_6_scratch |= RADEON_DFP_DPMS_ON;
3624 		else
3625 			bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
3626 	}
3627 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3628 }
3629