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 <linux/pci.h>
29 
30 #include <drm/drm_device.h>
31 #include <drm/radeon_drm.h>
32 
33 #include "radeon.h"
34 #include "atom.h"
35 
36 #ifdef CONFIG_PPC_PMAC
37 /* not sure which of these are needed */
38 #include <asm/machdep.h>
39 #include <asm/pmac_feature.h>
40 #include <asm/prom.h>
41 #endif /* CONFIG_PPC_PMAC */
42 
43 /* from radeon_legacy_encoder.c */
44 extern void
45 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum,
46 			  uint32_t supported_device);
47 
48 /* old legacy ATI BIOS routines */
49 
50 /* COMBIOS table offsets */
51 enum radeon_combios_table_offset {
52 	/* absolute offset tables */
53 	COMBIOS_ASIC_INIT_1_TABLE,
54 	COMBIOS_BIOS_SUPPORT_TABLE,
55 	COMBIOS_DAC_PROGRAMMING_TABLE,
56 	COMBIOS_MAX_COLOR_DEPTH_TABLE,
57 	COMBIOS_CRTC_INFO_TABLE,
58 	COMBIOS_PLL_INFO_TABLE,
59 	COMBIOS_TV_INFO_TABLE,
60 	COMBIOS_DFP_INFO_TABLE,
61 	COMBIOS_HW_CONFIG_INFO_TABLE,
62 	COMBIOS_MULTIMEDIA_INFO_TABLE,
63 	COMBIOS_TV_STD_PATCH_TABLE,
64 	COMBIOS_LCD_INFO_TABLE,
65 	COMBIOS_MOBILE_INFO_TABLE,
66 	COMBIOS_PLL_INIT_TABLE,
67 	COMBIOS_MEM_CONFIG_TABLE,
68 	COMBIOS_SAVE_MASK_TABLE,
69 	COMBIOS_HARDCODED_EDID_TABLE,
70 	COMBIOS_ASIC_INIT_2_TABLE,
71 	COMBIOS_CONNECTOR_INFO_TABLE,
72 	COMBIOS_DYN_CLK_1_TABLE,
73 	COMBIOS_RESERVED_MEM_TABLE,
74 	COMBIOS_EXT_TMDS_INFO_TABLE,
75 	COMBIOS_MEM_CLK_INFO_TABLE,
76 	COMBIOS_EXT_DAC_INFO_TABLE,
77 	COMBIOS_MISC_INFO_TABLE,
78 	COMBIOS_CRT_INFO_TABLE,
79 	COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE,
80 	COMBIOS_COMPONENT_VIDEO_INFO_TABLE,
81 	COMBIOS_FAN_SPEED_INFO_TABLE,
82 	COMBIOS_OVERDRIVE_INFO_TABLE,
83 	COMBIOS_OEM_INFO_TABLE,
84 	COMBIOS_DYN_CLK_2_TABLE,
85 	COMBIOS_POWER_CONNECTOR_INFO_TABLE,
86 	COMBIOS_I2C_INFO_TABLE,
87 	/* relative offset tables */
88 	COMBIOS_ASIC_INIT_3_TABLE,	/* offset from misc info */
89 	COMBIOS_ASIC_INIT_4_TABLE,	/* offset from misc info */
90 	COMBIOS_DETECTED_MEM_TABLE,	/* offset from misc info */
91 	COMBIOS_ASIC_INIT_5_TABLE,	/* offset from misc info */
92 	COMBIOS_RAM_RESET_TABLE,	/* offset from mem config */
93 	COMBIOS_POWERPLAY_INFO_TABLE,	/* offset from mobile info */
94 	COMBIOS_GPIO_INFO_TABLE,	/* offset from mobile info */
95 	COMBIOS_LCD_DDC_INFO_TABLE,	/* offset from mobile info */
96 	COMBIOS_TMDS_POWER_TABLE,	/* offset from mobile info */
97 	COMBIOS_TMDS_POWER_ON_TABLE,	/* offset from tmds power */
98 	COMBIOS_TMDS_POWER_OFF_TABLE,	/* offset from tmds power */
99 };
100 
101 enum radeon_combios_ddc {
102 	DDC_NONE_DETECTED,
103 	DDC_MONID,
104 	DDC_DVI,
105 	DDC_VGA,
106 	DDC_CRT2,
107 	DDC_LCD,
108 	DDC_GPIO,
109 };
110 
111 enum radeon_combios_connector {
112 	CONNECTOR_NONE_LEGACY,
113 	CONNECTOR_PROPRIETARY_LEGACY,
114 	CONNECTOR_CRT_LEGACY,
115 	CONNECTOR_DVI_I_LEGACY,
116 	CONNECTOR_DVI_D_LEGACY,
117 	CONNECTOR_CTV_LEGACY,
118 	CONNECTOR_STV_LEGACY,
119 	CONNECTOR_UNSUPPORTED_LEGACY
120 };
121 
122 static const int legacy_connector_convert[] = {
123 	DRM_MODE_CONNECTOR_Unknown,
124 	DRM_MODE_CONNECTOR_DVID,
125 	DRM_MODE_CONNECTOR_VGA,
126 	DRM_MODE_CONNECTOR_DVII,
127 	DRM_MODE_CONNECTOR_DVID,
128 	DRM_MODE_CONNECTOR_Composite,
129 	DRM_MODE_CONNECTOR_SVIDEO,
130 	DRM_MODE_CONNECTOR_Unknown,
131 };
132 
133 static uint16_t combios_get_table_offset(struct drm_device *dev,
134 					 enum radeon_combios_table_offset table)
135 {
136 	struct radeon_device *rdev = dev->dev_private;
137 	int rev, size;
138 	uint16_t offset = 0, check_offset;
139 
140 	if (!rdev->bios)
141 		return 0;
142 
143 	switch (table) {
144 		/* absolute offset tables */
145 	case COMBIOS_ASIC_INIT_1_TABLE:
146 		check_offset = 0xc;
147 		break;
148 	case COMBIOS_BIOS_SUPPORT_TABLE:
149 		check_offset = 0x14;
150 		break;
151 	case COMBIOS_DAC_PROGRAMMING_TABLE:
152 		check_offset = 0x2a;
153 		break;
154 	case COMBIOS_MAX_COLOR_DEPTH_TABLE:
155 		check_offset = 0x2c;
156 		break;
157 	case COMBIOS_CRTC_INFO_TABLE:
158 		check_offset = 0x2e;
159 		break;
160 	case COMBIOS_PLL_INFO_TABLE:
161 		check_offset = 0x30;
162 		break;
163 	case COMBIOS_TV_INFO_TABLE:
164 		check_offset = 0x32;
165 		break;
166 	case COMBIOS_DFP_INFO_TABLE:
167 		check_offset = 0x34;
168 		break;
169 	case COMBIOS_HW_CONFIG_INFO_TABLE:
170 		check_offset = 0x36;
171 		break;
172 	case COMBIOS_MULTIMEDIA_INFO_TABLE:
173 		check_offset = 0x38;
174 		break;
175 	case COMBIOS_TV_STD_PATCH_TABLE:
176 		check_offset = 0x3e;
177 		break;
178 	case COMBIOS_LCD_INFO_TABLE:
179 		check_offset = 0x40;
180 		break;
181 	case COMBIOS_MOBILE_INFO_TABLE:
182 		check_offset = 0x42;
183 		break;
184 	case COMBIOS_PLL_INIT_TABLE:
185 		check_offset = 0x46;
186 		break;
187 	case COMBIOS_MEM_CONFIG_TABLE:
188 		check_offset = 0x48;
189 		break;
190 	case COMBIOS_SAVE_MASK_TABLE:
191 		check_offset = 0x4a;
192 		break;
193 	case COMBIOS_HARDCODED_EDID_TABLE:
194 		check_offset = 0x4c;
195 		break;
196 	case COMBIOS_ASIC_INIT_2_TABLE:
197 		check_offset = 0x4e;
198 		break;
199 	case COMBIOS_CONNECTOR_INFO_TABLE:
200 		check_offset = 0x50;
201 		break;
202 	case COMBIOS_DYN_CLK_1_TABLE:
203 		check_offset = 0x52;
204 		break;
205 	case COMBIOS_RESERVED_MEM_TABLE:
206 		check_offset = 0x54;
207 		break;
208 	case COMBIOS_EXT_TMDS_INFO_TABLE:
209 		check_offset = 0x58;
210 		break;
211 	case COMBIOS_MEM_CLK_INFO_TABLE:
212 		check_offset = 0x5a;
213 		break;
214 	case COMBIOS_EXT_DAC_INFO_TABLE:
215 		check_offset = 0x5c;
216 		break;
217 	case COMBIOS_MISC_INFO_TABLE:
218 		check_offset = 0x5e;
219 		break;
220 	case COMBIOS_CRT_INFO_TABLE:
221 		check_offset = 0x60;
222 		break;
223 	case COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE:
224 		check_offset = 0x62;
225 		break;
226 	case COMBIOS_COMPONENT_VIDEO_INFO_TABLE:
227 		check_offset = 0x64;
228 		break;
229 	case COMBIOS_FAN_SPEED_INFO_TABLE:
230 		check_offset = 0x66;
231 		break;
232 	case COMBIOS_OVERDRIVE_INFO_TABLE:
233 		check_offset = 0x68;
234 		break;
235 	case COMBIOS_OEM_INFO_TABLE:
236 		check_offset = 0x6a;
237 		break;
238 	case COMBIOS_DYN_CLK_2_TABLE:
239 		check_offset = 0x6c;
240 		break;
241 	case COMBIOS_POWER_CONNECTOR_INFO_TABLE:
242 		check_offset = 0x6e;
243 		break;
244 	case COMBIOS_I2C_INFO_TABLE:
245 		check_offset = 0x70;
246 		break;
247 		/* relative offset tables */
248 	case COMBIOS_ASIC_INIT_3_TABLE:	/* offset from misc info */
249 		check_offset =
250 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
251 		if (check_offset) {
252 			rev = RBIOS8(check_offset);
253 			if (rev > 0) {
254 				check_offset = RBIOS16(check_offset + 0x3);
255 				if (check_offset)
256 					offset = check_offset;
257 			}
258 		}
259 		break;
260 	case COMBIOS_ASIC_INIT_4_TABLE:	/* offset from misc info */
261 		check_offset =
262 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
263 		if (check_offset) {
264 			rev = RBIOS8(check_offset);
265 			if (rev > 0) {
266 				check_offset = RBIOS16(check_offset + 0x5);
267 				if (check_offset)
268 					offset = check_offset;
269 			}
270 		}
271 		break;
272 	case COMBIOS_DETECTED_MEM_TABLE:	/* offset from misc info */
273 		check_offset =
274 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
275 		if (check_offset) {
276 			rev = RBIOS8(check_offset);
277 			if (rev > 0) {
278 				check_offset = RBIOS16(check_offset + 0x7);
279 				if (check_offset)
280 					offset = check_offset;
281 			}
282 		}
283 		break;
284 	case COMBIOS_ASIC_INIT_5_TABLE:	/* offset from misc info */
285 		check_offset =
286 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
287 		if (check_offset) {
288 			rev = RBIOS8(check_offset);
289 			if (rev == 2) {
290 				check_offset = RBIOS16(check_offset + 0x9);
291 				if (check_offset)
292 					offset = check_offset;
293 			}
294 		}
295 		break;
296 	case COMBIOS_RAM_RESET_TABLE:	/* offset from mem config */
297 		check_offset =
298 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
299 		if (check_offset) {
300 			while (RBIOS8(check_offset++));
301 			check_offset += 2;
302 			if (check_offset)
303 				offset = check_offset;
304 		}
305 		break;
306 	case COMBIOS_POWERPLAY_INFO_TABLE:	/* offset from mobile info */
307 		check_offset =
308 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
309 		if (check_offset) {
310 			check_offset = RBIOS16(check_offset + 0x11);
311 			if (check_offset)
312 				offset = check_offset;
313 		}
314 		break;
315 	case COMBIOS_GPIO_INFO_TABLE:	/* offset from mobile info */
316 		check_offset =
317 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
318 		if (check_offset) {
319 			check_offset = RBIOS16(check_offset + 0x13);
320 			if (check_offset)
321 				offset = check_offset;
322 		}
323 		break;
324 	case COMBIOS_LCD_DDC_INFO_TABLE:	/* offset from mobile info */
325 		check_offset =
326 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
327 		if (check_offset) {
328 			check_offset = RBIOS16(check_offset + 0x15);
329 			if (check_offset)
330 				offset = check_offset;
331 		}
332 		break;
333 	case COMBIOS_TMDS_POWER_TABLE:	/* offset from mobile info */
334 		check_offset =
335 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
336 		if (check_offset) {
337 			check_offset = RBIOS16(check_offset + 0x17);
338 			if (check_offset)
339 				offset = check_offset;
340 		}
341 		break;
342 	case COMBIOS_TMDS_POWER_ON_TABLE:	/* offset from tmds power */
343 		check_offset =
344 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
345 		if (check_offset) {
346 			check_offset = RBIOS16(check_offset + 0x2);
347 			if (check_offset)
348 				offset = check_offset;
349 		}
350 		break;
351 	case COMBIOS_TMDS_POWER_OFF_TABLE:	/* offset from tmds power */
352 		check_offset =
353 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
354 		if (check_offset) {
355 			check_offset = RBIOS16(check_offset + 0x4);
356 			if (check_offset)
357 				offset = check_offset;
358 		}
359 		break;
360 	default:
361 		check_offset = 0;
362 		break;
363 	}
364 
365 	size = RBIOS8(rdev->bios_header_start + 0x6);
366 	/* check absolute offset tables */
367 	if (table < COMBIOS_ASIC_INIT_3_TABLE && check_offset && check_offset < size)
368 		offset = RBIOS16(rdev->bios_header_start + check_offset);
369 
370 	return offset;
371 }
372 
373 bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev)
374 {
375 	int edid_info, size;
376 	struct edid *edid;
377 	unsigned char *raw;
378 	edid_info = combios_get_table_offset(rdev->ddev, COMBIOS_HARDCODED_EDID_TABLE);
379 	if (!edid_info)
380 		return false;
381 
382 	raw = rdev->bios + edid_info;
383 	size = EDID_LENGTH * (raw[0x7e] + 1);
384 	edid = kmalloc(size, GFP_KERNEL);
385 	if (edid == NULL)
386 		return false;
387 
388 	memcpy((unsigned char *)edid, raw, size);
389 
390 	if (!drm_edid_is_valid(edid)) {
391 		kfree(edid);
392 		return false;
393 	}
394 
395 	rdev->mode_info.bios_hardcoded_edid = edid;
396 	rdev->mode_info.bios_hardcoded_edid_size = size;
397 	return true;
398 }
399 
400 /* this is used for atom LCDs as well */
401 struct edid *
402 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev)
403 {
404 	struct edid *edid;
405 
406 	if (rdev->mode_info.bios_hardcoded_edid) {
407 		edid = kmalloc(rdev->mode_info.bios_hardcoded_edid_size, GFP_KERNEL);
408 		if (edid) {
409 			memcpy((unsigned char *)edid,
410 			       (unsigned char *)rdev->mode_info.bios_hardcoded_edid,
411 			       rdev->mode_info.bios_hardcoded_edid_size);
412 			return edid;
413 		}
414 	}
415 	return NULL;
416 }
417 
418 static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
419 						       enum radeon_combios_ddc ddc,
420 						       u32 clk_mask,
421 						       u32 data_mask)
422 {
423 	struct radeon_i2c_bus_rec i2c;
424 	int ddc_line = 0;
425 
426 	/* ddc id            = mask reg
427 	 * DDC_NONE_DETECTED = none
428 	 * DDC_DVI           = RADEON_GPIO_DVI_DDC
429 	 * DDC_VGA           = RADEON_GPIO_VGA_DDC
430 	 * DDC_LCD           = RADEON_GPIOPAD_MASK
431 	 * DDC_GPIO          = RADEON_MDGPIO_MASK
432 	 * r1xx
433 	 * DDC_MONID         = RADEON_GPIO_MONID
434 	 * DDC_CRT2          = RADEON_GPIO_CRT2_DDC
435 	 * r200
436 	 * DDC_MONID         = RADEON_GPIO_MONID
437 	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
438 	 * r300/r350
439 	 * DDC_MONID         = RADEON_GPIO_DVI_DDC
440 	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
441 	 * rv2xx/rv3xx
442 	 * DDC_MONID         = RADEON_GPIO_MONID
443 	 * DDC_CRT2          = RADEON_GPIO_MONID
444 	 * rs3xx/rs4xx
445 	 * DDC_MONID         = RADEON_GPIOPAD_MASK
446 	 * DDC_CRT2          = RADEON_GPIO_MONID
447 	 */
448 	switch (ddc) {
449 	case DDC_NONE_DETECTED:
450 	default:
451 		ddc_line = 0;
452 		break;
453 	case DDC_DVI:
454 		ddc_line = RADEON_GPIO_DVI_DDC;
455 		break;
456 	case DDC_VGA:
457 		ddc_line = RADEON_GPIO_VGA_DDC;
458 		break;
459 	case DDC_LCD:
460 		ddc_line = RADEON_GPIOPAD_MASK;
461 		break;
462 	case DDC_GPIO:
463 		ddc_line = RADEON_MDGPIO_MASK;
464 		break;
465 	case DDC_MONID:
466 		if (rdev->family == CHIP_RS300 ||
467 		    rdev->family == CHIP_RS400 ||
468 		    rdev->family == CHIP_RS480)
469 			ddc_line = RADEON_GPIOPAD_MASK;
470 		else if (rdev->family == CHIP_R300 ||
471 			 rdev->family == CHIP_R350) {
472 			ddc_line = RADEON_GPIO_DVI_DDC;
473 			ddc = DDC_DVI;
474 		} else
475 			ddc_line = RADEON_GPIO_MONID;
476 		break;
477 	case DDC_CRT2:
478 		if (rdev->family == CHIP_R200 ||
479 		    rdev->family == CHIP_R300 ||
480 		    rdev->family == CHIP_R350) {
481 			ddc_line = RADEON_GPIO_DVI_DDC;
482 			ddc = DDC_DVI;
483 		} else if (rdev->family == CHIP_RS300 ||
484 			   rdev->family == CHIP_RS400 ||
485 			   rdev->family == CHIP_RS480)
486 			ddc_line = RADEON_GPIO_MONID;
487 		else if (rdev->family >= CHIP_RV350) {
488 			ddc_line = RADEON_GPIO_MONID;
489 			ddc = DDC_MONID;
490 		} else
491 			ddc_line = RADEON_GPIO_CRT2_DDC;
492 		break;
493 	}
494 
495 	if (ddc_line == RADEON_GPIOPAD_MASK) {
496 		i2c.mask_clk_reg = RADEON_GPIOPAD_MASK;
497 		i2c.mask_data_reg = RADEON_GPIOPAD_MASK;
498 		i2c.a_clk_reg = RADEON_GPIOPAD_A;
499 		i2c.a_data_reg = RADEON_GPIOPAD_A;
500 		i2c.en_clk_reg = RADEON_GPIOPAD_EN;
501 		i2c.en_data_reg = RADEON_GPIOPAD_EN;
502 		i2c.y_clk_reg = RADEON_GPIOPAD_Y;
503 		i2c.y_data_reg = RADEON_GPIOPAD_Y;
504 	} else if (ddc_line == RADEON_MDGPIO_MASK) {
505 		i2c.mask_clk_reg = RADEON_MDGPIO_MASK;
506 		i2c.mask_data_reg = RADEON_MDGPIO_MASK;
507 		i2c.a_clk_reg = RADEON_MDGPIO_A;
508 		i2c.a_data_reg = RADEON_MDGPIO_A;
509 		i2c.en_clk_reg = RADEON_MDGPIO_EN;
510 		i2c.en_data_reg = RADEON_MDGPIO_EN;
511 		i2c.y_clk_reg = RADEON_MDGPIO_Y;
512 		i2c.y_data_reg = RADEON_MDGPIO_Y;
513 	} else {
514 		i2c.mask_clk_reg = ddc_line;
515 		i2c.mask_data_reg = ddc_line;
516 		i2c.a_clk_reg = ddc_line;
517 		i2c.a_data_reg = ddc_line;
518 		i2c.en_clk_reg = ddc_line;
519 		i2c.en_data_reg = ddc_line;
520 		i2c.y_clk_reg = ddc_line;
521 		i2c.y_data_reg = ddc_line;
522 	}
523 
524 	if (clk_mask && data_mask) {
525 		/* system specific masks */
526 		i2c.mask_clk_mask = clk_mask;
527 		i2c.mask_data_mask = data_mask;
528 		i2c.a_clk_mask = clk_mask;
529 		i2c.a_data_mask = data_mask;
530 		i2c.en_clk_mask = clk_mask;
531 		i2c.en_data_mask = data_mask;
532 		i2c.y_clk_mask = clk_mask;
533 		i2c.y_data_mask = data_mask;
534 	} else if ((ddc_line == RADEON_GPIOPAD_MASK) ||
535 		   (ddc_line == RADEON_MDGPIO_MASK)) {
536 		/* default gpiopad masks */
537 		i2c.mask_clk_mask = (0x20 << 8);
538 		i2c.mask_data_mask = 0x80;
539 		i2c.a_clk_mask = (0x20 << 8);
540 		i2c.a_data_mask = 0x80;
541 		i2c.en_clk_mask = (0x20 << 8);
542 		i2c.en_data_mask = 0x80;
543 		i2c.y_clk_mask = (0x20 << 8);
544 		i2c.y_data_mask = 0x80;
545 	} else {
546 		/* default masks for ddc pads */
547 		i2c.mask_clk_mask = RADEON_GPIO_MASK_1;
548 		i2c.mask_data_mask = RADEON_GPIO_MASK_0;
549 		i2c.a_clk_mask = RADEON_GPIO_A_1;
550 		i2c.a_data_mask = RADEON_GPIO_A_0;
551 		i2c.en_clk_mask = RADEON_GPIO_EN_1;
552 		i2c.en_data_mask = RADEON_GPIO_EN_0;
553 		i2c.y_clk_mask = RADEON_GPIO_Y_1;
554 		i2c.y_data_mask = RADEON_GPIO_Y_0;
555 	}
556 
557 	switch (rdev->family) {
558 	case CHIP_R100:
559 	case CHIP_RV100:
560 	case CHIP_RS100:
561 	case CHIP_RV200:
562 	case CHIP_RS200:
563 	case CHIP_RS300:
564 		switch (ddc_line) {
565 		case RADEON_GPIO_DVI_DDC:
566 			i2c.hw_capable = true;
567 			break;
568 		default:
569 			i2c.hw_capable = false;
570 			break;
571 		}
572 		break;
573 	case CHIP_R200:
574 		switch (ddc_line) {
575 		case RADEON_GPIO_DVI_DDC:
576 		case RADEON_GPIO_MONID:
577 			i2c.hw_capable = true;
578 			break;
579 		default:
580 			i2c.hw_capable = false;
581 			break;
582 		}
583 		break;
584 	case CHIP_RV250:
585 	case CHIP_RV280:
586 		switch (ddc_line) {
587 		case RADEON_GPIO_VGA_DDC:
588 		case RADEON_GPIO_DVI_DDC:
589 		case RADEON_GPIO_CRT2_DDC:
590 			i2c.hw_capable = true;
591 			break;
592 		default:
593 			i2c.hw_capable = false;
594 			break;
595 		}
596 		break;
597 	case CHIP_R300:
598 	case CHIP_R350:
599 		switch (ddc_line) {
600 		case RADEON_GPIO_VGA_DDC:
601 		case RADEON_GPIO_DVI_DDC:
602 			i2c.hw_capable = true;
603 			break;
604 		default:
605 			i2c.hw_capable = false;
606 			break;
607 		}
608 		break;
609 	case CHIP_RV350:
610 	case CHIP_RV380:
611 	case CHIP_RS400:
612 	case CHIP_RS480:
613 		switch (ddc_line) {
614 		case RADEON_GPIO_VGA_DDC:
615 		case RADEON_GPIO_DVI_DDC:
616 			i2c.hw_capable = true;
617 			break;
618 		case RADEON_GPIO_MONID:
619 			/* hw i2c on RADEON_GPIO_MONID doesn't seem to work
620 			 * reliably on some pre-r4xx hardware; not sure why.
621 			 */
622 			i2c.hw_capable = false;
623 			break;
624 		default:
625 			i2c.hw_capable = false;
626 			break;
627 		}
628 		break;
629 	default:
630 		i2c.hw_capable = false;
631 		break;
632 	}
633 	i2c.mm_i2c = false;
634 
635 	i2c.i2c_id = ddc;
636 	i2c.hpd = RADEON_HPD_NONE;
637 
638 	if (ddc_line)
639 		i2c.valid = true;
640 	else
641 		i2c.valid = false;
642 
643 	return i2c;
644 }
645 
646 static struct radeon_i2c_bus_rec radeon_combios_get_i2c_info_from_table(struct radeon_device *rdev)
647 {
648 	struct drm_device *dev = rdev->ddev;
649 	struct radeon_i2c_bus_rec i2c;
650 	u16 offset;
651 	u8 id, blocks, clk, data;
652 	int i;
653 
654 	i2c.valid = false;
655 
656 	offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE);
657 	if (offset) {
658 		blocks = RBIOS8(offset + 2);
659 		for (i = 0; i < blocks; i++) {
660 			id = RBIOS8(offset + 3 + (i * 5) + 0);
661 			if (id == 136) {
662 				clk = RBIOS8(offset + 3 + (i * 5) + 3);
663 				data = RBIOS8(offset + 3 + (i * 5) + 4);
664 				/* gpiopad */
665 				i2c = combios_setup_i2c_bus(rdev, DDC_MONID,
666 							    (1 << clk), (1 << data));
667 				break;
668 			}
669 		}
670 	}
671 	return i2c;
672 }
673 
674 void radeon_combios_i2c_init(struct radeon_device *rdev)
675 {
676 	struct drm_device *dev = rdev->ddev;
677 	struct radeon_i2c_bus_rec i2c;
678 
679 	/* actual hw pads
680 	 * r1xx/rs2xx/rs3xx
681 	 * 0x60, 0x64, 0x68, 0x6c, gpiopads, mm
682 	 * r200
683 	 * 0x60, 0x64, 0x68, mm
684 	 * r300/r350
685 	 * 0x60, 0x64, mm
686 	 * rv2xx/rv3xx/rs4xx
687 	 * 0x60, 0x64, 0x68, gpiopads, mm
688 	 */
689 
690 	/* 0x60 */
691 	i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
692 	rdev->i2c_bus[0] = radeon_i2c_create(dev, &i2c, "DVI_DDC");
693 	/* 0x64 */
694 	i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
695 	rdev->i2c_bus[1] = radeon_i2c_create(dev, &i2c, "VGA_DDC");
696 
697 	/* mm i2c */
698 	i2c.valid = true;
699 	i2c.hw_capable = true;
700 	i2c.mm_i2c = true;
701 	i2c.i2c_id = 0xa0;
702 	rdev->i2c_bus[2] = radeon_i2c_create(dev, &i2c, "MM_I2C");
703 
704 	if (rdev->family == CHIP_R300 ||
705 	    rdev->family == CHIP_R350) {
706 		/* only 2 sw i2c pads */
707 	} else if (rdev->family == CHIP_RS300 ||
708 		   rdev->family == CHIP_RS400 ||
709 		   rdev->family == CHIP_RS480) {
710 		/* 0x68 */
711 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
712 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
713 
714 		/* gpiopad */
715 		i2c = radeon_combios_get_i2c_info_from_table(rdev);
716 		if (i2c.valid)
717 			rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "GPIOPAD_MASK");
718 	} else if ((rdev->family == CHIP_R200) ||
719 		   (rdev->family >= CHIP_R300)) {
720 		/* 0x68 */
721 		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
722 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
723 	} else {
724 		/* 0x68 */
725 		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
726 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
727 		/* 0x6c */
728 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
729 		rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "CRT2_DDC");
730 	}
731 }
732 
733 bool radeon_combios_get_clock_info(struct drm_device *dev)
734 {
735 	struct radeon_device *rdev = dev->dev_private;
736 	uint16_t pll_info;
737 	struct radeon_pll *p1pll = &rdev->clock.p1pll;
738 	struct radeon_pll *p2pll = &rdev->clock.p2pll;
739 	struct radeon_pll *spll = &rdev->clock.spll;
740 	struct radeon_pll *mpll = &rdev->clock.mpll;
741 	int8_t rev;
742 	uint16_t sclk, mclk;
743 
744 	pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
745 	if (pll_info) {
746 		rev = RBIOS8(pll_info);
747 
748 		/* pixel clocks */
749 		p1pll->reference_freq = RBIOS16(pll_info + 0xe);
750 		p1pll->reference_div = RBIOS16(pll_info + 0x10);
751 		p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
752 		p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
753 		p1pll->lcd_pll_out_min = p1pll->pll_out_min;
754 		p1pll->lcd_pll_out_max = p1pll->pll_out_max;
755 
756 		if (rev > 9) {
757 			p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
758 			p1pll->pll_in_max = RBIOS32(pll_info + 0x3a);
759 		} else {
760 			p1pll->pll_in_min = 40;
761 			p1pll->pll_in_max = 500;
762 		}
763 		*p2pll = *p1pll;
764 
765 		/* system clock */
766 		spll->reference_freq = RBIOS16(pll_info + 0x1a);
767 		spll->reference_div = RBIOS16(pll_info + 0x1c);
768 		spll->pll_out_min = RBIOS32(pll_info + 0x1e);
769 		spll->pll_out_max = RBIOS32(pll_info + 0x22);
770 
771 		if (rev > 10) {
772 			spll->pll_in_min = RBIOS32(pll_info + 0x48);
773 			spll->pll_in_max = RBIOS32(pll_info + 0x4c);
774 		} else {
775 			/* ??? */
776 			spll->pll_in_min = 40;
777 			spll->pll_in_max = 500;
778 		}
779 
780 		/* memory clock */
781 		mpll->reference_freq = RBIOS16(pll_info + 0x26);
782 		mpll->reference_div = RBIOS16(pll_info + 0x28);
783 		mpll->pll_out_min = RBIOS32(pll_info + 0x2a);
784 		mpll->pll_out_max = RBIOS32(pll_info + 0x2e);
785 
786 		if (rev > 10) {
787 			mpll->pll_in_min = RBIOS32(pll_info + 0x5a);
788 			mpll->pll_in_max = RBIOS32(pll_info + 0x5e);
789 		} else {
790 			/* ??? */
791 			mpll->pll_in_min = 40;
792 			mpll->pll_in_max = 500;
793 		}
794 
795 		/* default sclk/mclk */
796 		sclk = RBIOS16(pll_info + 0xa);
797 		mclk = RBIOS16(pll_info + 0x8);
798 		if (sclk == 0)
799 			sclk = 200 * 100;
800 		if (mclk == 0)
801 			mclk = 200 * 100;
802 
803 		rdev->clock.default_sclk = sclk;
804 		rdev->clock.default_mclk = mclk;
805 
806 		if (RBIOS32(pll_info + 0x16))
807 			rdev->clock.max_pixel_clock = RBIOS32(pll_info + 0x16);
808 		else
809 			rdev->clock.max_pixel_clock = 35000; /* might need something asic specific */
810 
811 		return true;
812 	}
813 	return false;
814 }
815 
816 bool radeon_combios_sideport_present(struct radeon_device *rdev)
817 {
818 	struct drm_device *dev = rdev->ddev;
819 	u16 igp_info;
820 
821 	/* sideport is AMD only */
822 	if (rdev->family == CHIP_RS400)
823 		return false;
824 
825 	igp_info = combios_get_table_offset(dev, COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE);
826 
827 	if (igp_info) {
828 		if (RBIOS16(igp_info + 0x4))
829 			return true;
830 	}
831 	return false;
832 }
833 
834 static const uint32_t default_primarydac_adj[CHIP_LAST] = {
835 	0x00000808,		/* r100  */
836 	0x00000808,		/* rv100 */
837 	0x00000808,		/* rs100 */
838 	0x00000808,		/* rv200 */
839 	0x00000808,		/* rs200 */
840 	0x00000808,		/* r200  */
841 	0x00000808,		/* rv250 */
842 	0x00000000,		/* rs300 */
843 	0x00000808,		/* rv280 */
844 	0x00000808,		/* r300  */
845 	0x00000808,		/* r350  */
846 	0x00000808,		/* rv350 */
847 	0x00000808,		/* rv380 */
848 	0x00000808,		/* r420  */
849 	0x00000808,		/* r423  */
850 	0x00000808,		/* rv410 */
851 	0x00000000,		/* rs400 */
852 	0x00000000,		/* rs480 */
853 };
854 
855 static void radeon_legacy_get_primary_dac_info_from_table(struct radeon_device *rdev,
856 							  struct radeon_encoder_primary_dac *p_dac)
857 {
858 	p_dac->ps2_pdac_adj = default_primarydac_adj[rdev->family];
859 	return;
860 }
861 
862 struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
863 								       radeon_encoder
864 								       *encoder)
865 {
866 	struct drm_device *dev = encoder->base.dev;
867 	struct radeon_device *rdev = dev->dev_private;
868 	uint16_t dac_info;
869 	uint8_t rev, bg, dac;
870 	struct radeon_encoder_primary_dac *p_dac = NULL;
871 	int found = 0;
872 
873 	p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac),
874 			GFP_KERNEL);
875 
876 	if (!p_dac)
877 		return NULL;
878 
879 	/* check CRT table */
880 	dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
881 	if (dac_info) {
882 		rev = RBIOS8(dac_info) & 0x3;
883 		if (rev < 2) {
884 			bg = RBIOS8(dac_info + 0x2) & 0xf;
885 			dac = (RBIOS8(dac_info + 0x2) >> 4) & 0xf;
886 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
887 		} else {
888 			bg = RBIOS8(dac_info + 0x2) & 0xf;
889 			dac = RBIOS8(dac_info + 0x3) & 0xf;
890 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
891 		}
892 		/* if the values are zeros, use the table */
893 		if ((dac == 0) || (bg == 0))
894 			found = 0;
895 		else
896 			found = 1;
897 	}
898 
899 	/* quirks */
900 	/* Radeon 7000 (RV100) */
901 	if (((dev->pdev->device == 0x5159) &&
902 	    (dev->pdev->subsystem_vendor == 0x174B) &&
903 	    (dev->pdev->subsystem_device == 0x7c28)) ||
904 	/* Radeon 9100 (R200) */
905 	   ((dev->pdev->device == 0x514D) &&
906 	    (dev->pdev->subsystem_vendor == 0x174B) &&
907 	    (dev->pdev->subsystem_device == 0x7149))) {
908 		/* vbios value is bad, use the default */
909 		found = 0;
910 	}
911 
912 	if (!found) /* fallback to defaults */
913 		radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac);
914 
915 	return p_dac;
916 }
917 
918 enum radeon_tv_std
919 radeon_combios_get_tv_info(struct radeon_device *rdev)
920 {
921 	struct drm_device *dev = rdev->ddev;
922 	uint16_t tv_info;
923 	enum radeon_tv_std tv_std = TV_STD_NTSC;
924 
925 	tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
926 	if (tv_info) {
927 		if (RBIOS8(tv_info + 6) == 'T') {
928 			switch (RBIOS8(tv_info + 7) & 0xf) {
929 			case 1:
930 				tv_std = TV_STD_NTSC;
931 				DRM_DEBUG_KMS("Default TV standard: NTSC\n");
932 				break;
933 			case 2:
934 				tv_std = TV_STD_PAL;
935 				DRM_DEBUG_KMS("Default TV standard: PAL\n");
936 				break;
937 			case 3:
938 				tv_std = TV_STD_PAL_M;
939 				DRM_DEBUG_KMS("Default TV standard: PAL-M\n");
940 				break;
941 			case 4:
942 				tv_std = TV_STD_PAL_60;
943 				DRM_DEBUG_KMS("Default TV standard: PAL-60\n");
944 				break;
945 			case 5:
946 				tv_std = TV_STD_NTSC_J;
947 				DRM_DEBUG_KMS("Default TV standard: NTSC-J\n");
948 				break;
949 			case 6:
950 				tv_std = TV_STD_SCART_PAL;
951 				DRM_DEBUG_KMS("Default TV standard: SCART-PAL\n");
952 				break;
953 			default:
954 				tv_std = TV_STD_NTSC;
955 				DRM_DEBUG_KMS
956 				    ("Unknown TV standard; defaulting to NTSC\n");
957 				break;
958 			}
959 
960 			switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
961 			case 0:
962 				DRM_DEBUG_KMS("29.498928713 MHz TV ref clk\n");
963 				break;
964 			case 1:
965 				DRM_DEBUG_KMS("28.636360000 MHz TV ref clk\n");
966 				break;
967 			case 2:
968 				DRM_DEBUG_KMS("14.318180000 MHz TV ref clk\n");
969 				break;
970 			case 3:
971 				DRM_DEBUG_KMS("27.000000000 MHz TV ref clk\n");
972 				break;
973 			default:
974 				break;
975 			}
976 		}
977 	}
978 	return tv_std;
979 }
980 
981 static const uint32_t default_tvdac_adj[CHIP_LAST] = {
982 	0x00000000,		/* r100  */
983 	0x00280000,		/* rv100 */
984 	0x00000000,		/* rs100 */
985 	0x00880000,		/* rv200 */
986 	0x00000000,		/* rs200 */
987 	0x00000000,		/* r200  */
988 	0x00770000,		/* rv250 */
989 	0x00290000,		/* rs300 */
990 	0x00560000,		/* rv280 */
991 	0x00780000,		/* r300  */
992 	0x00770000,		/* r350  */
993 	0x00780000,		/* rv350 */
994 	0x00780000,		/* rv380 */
995 	0x01080000,		/* r420  */
996 	0x01080000,		/* r423  */
997 	0x01080000,		/* rv410 */
998 	0x00780000,		/* rs400 */
999 	0x00780000,		/* rs480 */
1000 };
1001 
1002 static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
1003 						     struct radeon_encoder_tv_dac *tv_dac)
1004 {
1005 	tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
1006 	if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
1007 		tv_dac->ps2_tvdac_adj = 0x00880000;
1008 	tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1009 	tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1010 	return;
1011 }
1012 
1013 struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
1014 							     radeon_encoder
1015 							     *encoder)
1016 {
1017 	struct drm_device *dev = encoder->base.dev;
1018 	struct radeon_device *rdev = dev->dev_private;
1019 	uint16_t dac_info;
1020 	uint8_t rev, bg, dac;
1021 	struct radeon_encoder_tv_dac *tv_dac = NULL;
1022 	int found = 0;
1023 
1024 	tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
1025 	if (!tv_dac)
1026 		return NULL;
1027 
1028 	/* first check TV table */
1029 	dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
1030 	if (dac_info) {
1031 		rev = RBIOS8(dac_info + 0x3);
1032 		if (rev > 4) {
1033 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1034 			dac = RBIOS8(dac_info + 0xd) & 0xf;
1035 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1036 
1037 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1038 			dac = RBIOS8(dac_info + 0xf) & 0xf;
1039 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1040 
1041 			bg = RBIOS8(dac_info + 0x10) & 0xf;
1042 			dac = RBIOS8(dac_info + 0x11) & 0xf;
1043 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1044 			/* if the values are all zeros, use the table */
1045 			if (tv_dac->ps2_tvdac_adj)
1046 				found = 1;
1047 		} else if (rev > 1) {
1048 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1049 			dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
1050 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1051 
1052 			bg = RBIOS8(dac_info + 0xd) & 0xf;
1053 			dac = (RBIOS8(dac_info + 0xd) >> 4) & 0xf;
1054 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1055 
1056 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1057 			dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
1058 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1059 			/* if the values are all zeros, use the table */
1060 			if (tv_dac->ps2_tvdac_adj)
1061 				found = 1;
1062 		}
1063 		tv_dac->tv_std = radeon_combios_get_tv_info(rdev);
1064 	}
1065 	if (!found) {
1066 		/* then check CRT table */
1067 		dac_info =
1068 		    combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
1069 		if (dac_info) {
1070 			rev = RBIOS8(dac_info) & 0x3;
1071 			if (rev < 2) {
1072 				bg = RBIOS8(dac_info + 0x3) & 0xf;
1073 				dac = (RBIOS8(dac_info + 0x3) >> 4) & 0xf;
1074 				tv_dac->ps2_tvdac_adj =
1075 				    (bg << 16) | (dac << 20);
1076 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1077 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1078 				/* if the values are all zeros, use the table */
1079 				if (tv_dac->ps2_tvdac_adj)
1080 					found = 1;
1081 			} else {
1082 				bg = RBIOS8(dac_info + 0x4) & 0xf;
1083 				dac = RBIOS8(dac_info + 0x5) & 0xf;
1084 				tv_dac->ps2_tvdac_adj =
1085 				    (bg << 16) | (dac << 20);
1086 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1087 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1088 				/* if the values are all zeros, use the table */
1089 				if (tv_dac->ps2_tvdac_adj)
1090 					found = 1;
1091 			}
1092 		} else {
1093 			DRM_INFO("No TV DAC info found in BIOS\n");
1094 		}
1095 	}
1096 
1097 	if (!found) /* fallback to defaults */
1098 		radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
1099 
1100 	return tv_dac;
1101 }
1102 
1103 static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
1104 									 radeon_device
1105 									 *rdev)
1106 {
1107 	struct radeon_encoder_lvds *lvds = NULL;
1108 	uint32_t fp_vert_stretch, fp_horz_stretch;
1109 	uint32_t ppll_div_sel, ppll_val;
1110 	uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
1111 
1112 	lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1113 
1114 	if (!lvds)
1115 		return NULL;
1116 
1117 	fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH);
1118 	fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH);
1119 
1120 	/* These should be fail-safe defaults, fingers crossed */
1121 	lvds->panel_pwr_delay = 200;
1122 	lvds->panel_vcc_delay = 2000;
1123 
1124 	lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
1125 	lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf;
1126 	lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf;
1127 
1128 	if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
1129 		lvds->native_mode.vdisplay =
1130 		    ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
1131 		     RADEON_VERT_PANEL_SHIFT) + 1;
1132 	else
1133 		lvds->native_mode.vdisplay =
1134 		    (RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;
1135 
1136 	if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
1137 		lvds->native_mode.hdisplay =
1138 		    (((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
1139 		      RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
1140 	else
1141 		lvds->native_mode.hdisplay =
1142 		    ((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;
1143 
1144 	if ((lvds->native_mode.hdisplay < 640) ||
1145 	    (lvds->native_mode.vdisplay < 480)) {
1146 		lvds->native_mode.hdisplay = 640;
1147 		lvds->native_mode.vdisplay = 480;
1148 	}
1149 
1150 	ppll_div_sel = RREG8(RADEON_CLOCK_CNTL_INDEX + 1) & 0x3;
1151 	ppll_val = RREG32_PLL(RADEON_PPLL_DIV_0 + ppll_div_sel);
1152 	if ((ppll_val & 0x000707ff) == 0x1bb)
1153 		lvds->use_bios_dividers = false;
1154 	else {
1155 		lvds->panel_ref_divider =
1156 		    RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
1157 		lvds->panel_post_divider = (ppll_val >> 16) & 0x7;
1158 		lvds->panel_fb_divider = ppll_val & 0x7ff;
1159 
1160 		if ((lvds->panel_ref_divider != 0) &&
1161 		    (lvds->panel_fb_divider > 3))
1162 			lvds->use_bios_dividers = true;
1163 	}
1164 	lvds->panel_vcc_delay = 200;
1165 
1166 	DRM_INFO("Panel info derived from registers\n");
1167 	DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1168 		 lvds->native_mode.vdisplay);
1169 
1170 	return lvds;
1171 }
1172 
1173 struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
1174 							 *encoder)
1175 {
1176 	struct drm_device *dev = encoder->base.dev;
1177 	struct radeon_device *rdev = dev->dev_private;
1178 	uint16_t lcd_info;
1179 	uint32_t panel_setup;
1180 	char stmp[30];
1181 	int tmp, i;
1182 	struct radeon_encoder_lvds *lvds = NULL;
1183 
1184 	lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
1185 
1186 	if (lcd_info) {
1187 		lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1188 
1189 		if (!lvds)
1190 			return NULL;
1191 
1192 		for (i = 0; i < 24; i++)
1193 			stmp[i] = RBIOS8(lcd_info + i + 1);
1194 		stmp[24] = 0;
1195 
1196 		DRM_INFO("Panel ID String: %s\n", stmp);
1197 
1198 		lvds->native_mode.hdisplay = RBIOS16(lcd_info + 0x19);
1199 		lvds->native_mode.vdisplay = RBIOS16(lcd_info + 0x1b);
1200 
1201 		DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1202 			 lvds->native_mode.vdisplay);
1203 
1204 		lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
1205 		lvds->panel_vcc_delay = min_t(u16, lvds->panel_vcc_delay, 2000);
1206 
1207 		lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24);
1208 		lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf;
1209 		lvds->panel_blon_delay = (RBIOS16(lcd_info + 0x38) >> 4) & 0xf;
1210 
1211 		lvds->panel_ref_divider = RBIOS16(lcd_info + 0x2e);
1212 		lvds->panel_post_divider = RBIOS8(lcd_info + 0x30);
1213 		lvds->panel_fb_divider = RBIOS16(lcd_info + 0x31);
1214 		if ((lvds->panel_ref_divider != 0) &&
1215 		    (lvds->panel_fb_divider > 3))
1216 			lvds->use_bios_dividers = true;
1217 
1218 		panel_setup = RBIOS32(lcd_info + 0x39);
1219 		lvds->lvds_gen_cntl = 0xff00;
1220 		if (panel_setup & 0x1)
1221 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
1222 
1223 		if ((panel_setup >> 4) & 0x1)
1224 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
1225 
1226 		switch ((panel_setup >> 8) & 0x7) {
1227 		case 0:
1228 			lvds->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
1229 			break;
1230 		case 1:
1231 			lvds->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
1232 			break;
1233 		case 2:
1234 			lvds->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
1235 			break;
1236 		default:
1237 			break;
1238 		}
1239 
1240 		if ((panel_setup >> 16) & 0x1)
1241 			lvds->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
1242 
1243 		if ((panel_setup >> 17) & 0x1)
1244 			lvds->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
1245 
1246 		if ((panel_setup >> 18) & 0x1)
1247 			lvds->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
1248 
1249 		if ((panel_setup >> 23) & 0x1)
1250 			lvds->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
1251 
1252 		lvds->lvds_gen_cntl |= (panel_setup & 0xf0000000);
1253 
1254 		for (i = 0; i < 32; i++) {
1255 			tmp = RBIOS16(lcd_info + 64 + i * 2);
1256 			if (tmp == 0)
1257 				break;
1258 
1259 			if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
1260 			    (RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) {
1261 				u32 hss = (RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8;
1262 
1263 				if (hss > lvds->native_mode.hdisplay)
1264 					hss = (10 - 1) * 8;
1265 
1266 				lvds->native_mode.htotal = lvds->native_mode.hdisplay +
1267 					(RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8;
1268 				lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
1269 					hss;
1270 				lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
1271 					(RBIOS8(tmp + 23) * 8);
1272 
1273 				lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
1274 					(RBIOS16(tmp + 24) - RBIOS16(tmp + 26));
1275 				lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
1276 					((RBIOS16(tmp + 28) & 0x7ff) - RBIOS16(tmp + 26));
1277 				lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
1278 					((RBIOS16(tmp + 28) & 0xf800) >> 11);
1279 
1280 				lvds->native_mode.clock = RBIOS16(tmp + 9) * 10;
1281 				lvds->native_mode.flags = 0;
1282 				/* set crtc values */
1283 				drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
1284 
1285 			}
1286 		}
1287 	} else {
1288 		DRM_INFO("No panel info found in BIOS\n");
1289 		lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
1290 	}
1291 
1292 	if (lvds)
1293 		encoder->native_mode = lvds->native_mode;
1294 	return lvds;
1295 }
1296 
1297 static const struct radeon_tmds_pll default_tmds_pll[CHIP_LAST][4] = {
1298 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R100  */
1299 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV100 */
1300 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS100 */
1301 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV200 */
1302 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RS200 */
1303 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R200  */
1304 	{{15500, 0x81b}, {0xffffffff, 0x83f}, {0, 0}, {0, 0}},	/* CHIP_RV250 */
1305 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS300 */
1306 	{{13000, 0x400f4}, {15000, 0x400f7}, {0xffffffff, 0x40111}, {0, 0}},	/* CHIP_RV280 */
1307 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R300  */
1308 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R350  */
1309 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV350 */
1310 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV380 */
1311 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R420  */
1312 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R423  */
1313 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RV410 */
1314 	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS400 */
1315 	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS480 */
1316 };
1317 
1318 bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
1319 					    struct radeon_encoder_int_tmds *tmds)
1320 {
1321 	struct drm_device *dev = encoder->base.dev;
1322 	struct radeon_device *rdev = dev->dev_private;
1323 	int i;
1324 
1325 	for (i = 0; i < 4; i++) {
1326 		tmds->tmds_pll[i].value =
1327 			default_tmds_pll[rdev->family][i].value;
1328 		tmds->tmds_pll[i].freq = default_tmds_pll[rdev->family][i].freq;
1329 	}
1330 
1331 	return true;
1332 }
1333 
1334 bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
1335 					      struct radeon_encoder_int_tmds *tmds)
1336 {
1337 	struct drm_device *dev = encoder->base.dev;
1338 	struct radeon_device *rdev = dev->dev_private;
1339 	uint16_t tmds_info;
1340 	int i, n;
1341 	uint8_t ver;
1342 
1343 	tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1344 
1345 	if (tmds_info) {
1346 		ver = RBIOS8(tmds_info);
1347 		DRM_DEBUG_KMS("DFP table revision: %d\n", ver);
1348 		if (ver == 3) {
1349 			n = RBIOS8(tmds_info + 5) + 1;
1350 			if (n > 4)
1351 				n = 4;
1352 			for (i = 0; i < n; i++) {
1353 				tmds->tmds_pll[i].value =
1354 				    RBIOS32(tmds_info + i * 10 + 0x08);
1355 				tmds->tmds_pll[i].freq =
1356 				    RBIOS16(tmds_info + i * 10 + 0x10);
1357 				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1358 					  tmds->tmds_pll[i].freq,
1359 					  tmds->tmds_pll[i].value);
1360 			}
1361 		} else if (ver == 4) {
1362 			int stride = 0;
1363 			n = RBIOS8(tmds_info + 5) + 1;
1364 			if (n > 4)
1365 				n = 4;
1366 			for (i = 0; i < n; i++) {
1367 				tmds->tmds_pll[i].value =
1368 				    RBIOS32(tmds_info + stride + 0x08);
1369 				tmds->tmds_pll[i].freq =
1370 				    RBIOS16(tmds_info + stride + 0x10);
1371 				if (i == 0)
1372 					stride += 10;
1373 				else
1374 					stride += 6;
1375 				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1376 					  tmds->tmds_pll[i].freq,
1377 					  tmds->tmds_pll[i].value);
1378 			}
1379 		}
1380 	} else {
1381 		DRM_INFO("No TMDS info found in BIOS\n");
1382 		return false;
1383 	}
1384 	return true;
1385 }
1386 
1387 bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
1388 						struct radeon_encoder_ext_tmds *tmds)
1389 {
1390 	struct drm_device *dev = encoder->base.dev;
1391 	struct radeon_device *rdev = dev->dev_private;
1392 	struct radeon_i2c_bus_rec i2c_bus;
1393 
1394 	/* default for macs */
1395 	i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1396 	tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1397 
1398 	/* XXX some macs have duallink chips */
1399 	switch (rdev->mode_info.connector_table) {
1400 	case CT_POWERBOOK_EXTERNAL:
1401 	case CT_MINI_EXTERNAL:
1402 	default:
1403 		tmds->dvo_chip = DVO_SIL164;
1404 		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1405 		break;
1406 	}
1407 
1408 	return true;
1409 }
1410 
1411 bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
1412 						  struct radeon_encoder_ext_tmds *tmds)
1413 {
1414 	struct drm_device *dev = encoder->base.dev;
1415 	struct radeon_device *rdev = dev->dev_private;
1416 	uint16_t offset;
1417 	uint8_t ver;
1418 	enum radeon_combios_ddc gpio;
1419 	struct radeon_i2c_bus_rec i2c_bus;
1420 
1421 	tmds->i2c_bus = NULL;
1422 	if (rdev->flags & RADEON_IS_IGP) {
1423 		i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1424 		tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1425 		tmds->dvo_chip = DVO_SIL164;
1426 		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1427 	} else {
1428 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
1429 		if (offset) {
1430 			ver = RBIOS8(offset);
1431 			DRM_DEBUG_KMS("External TMDS Table revision: %d\n", ver);
1432 			tmds->slave_addr = RBIOS8(offset + 4 + 2);
1433 			tmds->slave_addr >>= 1; /* 7 bit addressing */
1434 			gpio = RBIOS8(offset + 4 + 3);
1435 			if (gpio == DDC_LCD) {
1436 				/* MM i2c */
1437 				i2c_bus.valid = true;
1438 				i2c_bus.hw_capable = true;
1439 				i2c_bus.mm_i2c = true;
1440 				i2c_bus.i2c_id = 0xa0;
1441 			} else
1442 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
1443 			tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1444 		}
1445 	}
1446 
1447 	if (!tmds->i2c_bus) {
1448 		DRM_INFO("No valid Ext TMDS info found in BIOS\n");
1449 		return false;
1450 	}
1451 
1452 	return true;
1453 }
1454 
1455 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
1456 {
1457 	struct radeon_device *rdev = dev->dev_private;
1458 	struct radeon_i2c_bus_rec ddc_i2c;
1459 	struct radeon_hpd hpd;
1460 
1461 	rdev->mode_info.connector_table = radeon_connector_table;
1462 	if (rdev->mode_info.connector_table == CT_NONE) {
1463 #ifdef CONFIG_PPC_PMAC
1464 		if (of_machine_is_compatible("PowerBook3,3")) {
1465 			/* powerbook with VGA */
1466 			rdev->mode_info.connector_table = CT_POWERBOOK_VGA;
1467 		} else if (of_machine_is_compatible("PowerBook3,4") ||
1468 			   of_machine_is_compatible("PowerBook3,5")) {
1469 			/* powerbook with internal tmds */
1470 			rdev->mode_info.connector_table = CT_POWERBOOK_INTERNAL;
1471 		} else if (of_machine_is_compatible("PowerBook5,1") ||
1472 			   of_machine_is_compatible("PowerBook5,2") ||
1473 			   of_machine_is_compatible("PowerBook5,3") ||
1474 			   of_machine_is_compatible("PowerBook5,4") ||
1475 			   of_machine_is_compatible("PowerBook5,5")) {
1476 			/* powerbook with external single link tmds (sil164) */
1477 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1478 		} else if (of_machine_is_compatible("PowerBook5,6")) {
1479 			/* powerbook with external dual or single link tmds */
1480 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1481 		} else if (of_machine_is_compatible("PowerBook5,7") ||
1482 			   of_machine_is_compatible("PowerBook5,8") ||
1483 			   of_machine_is_compatible("PowerBook5,9")) {
1484 			/* PowerBook6,2 ? */
1485 			/* powerbook with external dual link tmds (sil1178?) */
1486 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1487 		} else if (of_machine_is_compatible("PowerBook4,1") ||
1488 			   of_machine_is_compatible("PowerBook4,2") ||
1489 			   of_machine_is_compatible("PowerBook4,3") ||
1490 			   of_machine_is_compatible("PowerBook6,3") ||
1491 			   of_machine_is_compatible("PowerBook6,5") ||
1492 			   of_machine_is_compatible("PowerBook6,7")) {
1493 			/* ibook */
1494 			rdev->mode_info.connector_table = CT_IBOOK;
1495 		} else if (of_machine_is_compatible("PowerMac3,5")) {
1496 			/* PowerMac G4 Silver radeon 7500 */
1497 			rdev->mode_info.connector_table = CT_MAC_G4_SILVER;
1498 		} else if (of_machine_is_compatible("PowerMac4,4")) {
1499 			/* emac */
1500 			rdev->mode_info.connector_table = CT_EMAC;
1501 		} else if (of_machine_is_compatible("PowerMac10,1")) {
1502 			/* mini with internal tmds */
1503 			rdev->mode_info.connector_table = CT_MINI_INTERNAL;
1504 		} else if (of_machine_is_compatible("PowerMac10,2")) {
1505 			/* mini with external tmds */
1506 			rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
1507 		} else if (of_machine_is_compatible("PowerMac12,1")) {
1508 			/* PowerMac8,1 ? */
1509 			/* imac g5 isight */
1510 			rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
1511 		} else if ((rdev->pdev->device == 0x4a48) &&
1512 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1513 			   (rdev->pdev->subsystem_device == 0x4a48)) {
1514 			/* Mac X800 */
1515 			rdev->mode_info.connector_table = CT_MAC_X800;
1516 		} else if ((of_machine_is_compatible("PowerMac7,2") ||
1517 			    of_machine_is_compatible("PowerMac7,3")) &&
1518 			   (rdev->pdev->device == 0x4150) &&
1519 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1520 			   (rdev->pdev->subsystem_device == 0x4150)) {
1521 			/* Mac G5 tower 9600 */
1522 			rdev->mode_info.connector_table = CT_MAC_G5_9600;
1523 		} else if ((rdev->pdev->device == 0x4c66) &&
1524 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1525 			   (rdev->pdev->subsystem_device == 0x4c66)) {
1526 			/* SAM440ep RV250 embedded board */
1527 			rdev->mode_info.connector_table = CT_SAM440EP;
1528 		} else
1529 #endif /* CONFIG_PPC_PMAC */
1530 #ifdef CONFIG_PPC64
1531 		if (ASIC_IS_RN50(rdev))
1532 			rdev->mode_info.connector_table = CT_RN50_POWER;
1533 		else
1534 #endif
1535 			rdev->mode_info.connector_table = CT_GENERIC;
1536 	}
1537 
1538 	switch (rdev->mode_info.connector_table) {
1539 	case CT_GENERIC:
1540 		DRM_INFO("Connector Table: %d (generic)\n",
1541 			 rdev->mode_info.connector_table);
1542 		/* these are the most common settings */
1543 		if (rdev->flags & RADEON_SINGLE_CRTC) {
1544 			/* VGA - primary dac */
1545 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1546 			hpd.hpd = RADEON_HPD_NONE;
1547 			radeon_add_legacy_encoder(dev,
1548 						  radeon_get_encoder_enum(dev,
1549 									ATOM_DEVICE_CRT1_SUPPORT,
1550 									1),
1551 						  ATOM_DEVICE_CRT1_SUPPORT);
1552 			radeon_add_legacy_connector(dev, 0,
1553 						    ATOM_DEVICE_CRT1_SUPPORT,
1554 						    DRM_MODE_CONNECTOR_VGA,
1555 						    &ddc_i2c,
1556 						    CONNECTOR_OBJECT_ID_VGA,
1557 						    &hpd);
1558 		} else if (rdev->flags & RADEON_IS_MOBILITY) {
1559 			/* LVDS */
1560 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
1561 			hpd.hpd = RADEON_HPD_NONE;
1562 			radeon_add_legacy_encoder(dev,
1563 						  radeon_get_encoder_enum(dev,
1564 									ATOM_DEVICE_LCD1_SUPPORT,
1565 									0),
1566 						  ATOM_DEVICE_LCD1_SUPPORT);
1567 			radeon_add_legacy_connector(dev, 0,
1568 						    ATOM_DEVICE_LCD1_SUPPORT,
1569 						    DRM_MODE_CONNECTOR_LVDS,
1570 						    &ddc_i2c,
1571 						    CONNECTOR_OBJECT_ID_LVDS,
1572 						    &hpd);
1573 
1574 			/* VGA - primary dac */
1575 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1576 			hpd.hpd = RADEON_HPD_NONE;
1577 			radeon_add_legacy_encoder(dev,
1578 						  radeon_get_encoder_enum(dev,
1579 									ATOM_DEVICE_CRT1_SUPPORT,
1580 									1),
1581 						  ATOM_DEVICE_CRT1_SUPPORT);
1582 			radeon_add_legacy_connector(dev, 1,
1583 						    ATOM_DEVICE_CRT1_SUPPORT,
1584 						    DRM_MODE_CONNECTOR_VGA,
1585 						    &ddc_i2c,
1586 						    CONNECTOR_OBJECT_ID_VGA,
1587 						    &hpd);
1588 		} else {
1589 			/* DVI-I - tv dac, int tmds */
1590 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1591 			hpd.hpd = RADEON_HPD_1;
1592 			radeon_add_legacy_encoder(dev,
1593 						  radeon_get_encoder_enum(dev,
1594 									ATOM_DEVICE_DFP1_SUPPORT,
1595 									0),
1596 						  ATOM_DEVICE_DFP1_SUPPORT);
1597 			radeon_add_legacy_encoder(dev,
1598 						  radeon_get_encoder_enum(dev,
1599 									ATOM_DEVICE_CRT2_SUPPORT,
1600 									2),
1601 						  ATOM_DEVICE_CRT2_SUPPORT);
1602 			radeon_add_legacy_connector(dev, 0,
1603 						    ATOM_DEVICE_DFP1_SUPPORT |
1604 						    ATOM_DEVICE_CRT2_SUPPORT,
1605 						    DRM_MODE_CONNECTOR_DVII,
1606 						    &ddc_i2c,
1607 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1608 						    &hpd);
1609 
1610 			/* VGA - primary dac */
1611 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1612 			hpd.hpd = RADEON_HPD_NONE;
1613 			radeon_add_legacy_encoder(dev,
1614 						  radeon_get_encoder_enum(dev,
1615 									ATOM_DEVICE_CRT1_SUPPORT,
1616 									1),
1617 						  ATOM_DEVICE_CRT1_SUPPORT);
1618 			radeon_add_legacy_connector(dev, 1,
1619 						    ATOM_DEVICE_CRT1_SUPPORT,
1620 						    DRM_MODE_CONNECTOR_VGA,
1621 						    &ddc_i2c,
1622 						    CONNECTOR_OBJECT_ID_VGA,
1623 						    &hpd);
1624 		}
1625 
1626 		if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1627 			/* TV - tv dac */
1628 			ddc_i2c.valid = false;
1629 			hpd.hpd = RADEON_HPD_NONE;
1630 			radeon_add_legacy_encoder(dev,
1631 						  radeon_get_encoder_enum(dev,
1632 									ATOM_DEVICE_TV1_SUPPORT,
1633 									2),
1634 						  ATOM_DEVICE_TV1_SUPPORT);
1635 			radeon_add_legacy_connector(dev, 2,
1636 						    ATOM_DEVICE_TV1_SUPPORT,
1637 						    DRM_MODE_CONNECTOR_SVIDEO,
1638 						    &ddc_i2c,
1639 						    CONNECTOR_OBJECT_ID_SVIDEO,
1640 						    &hpd);
1641 		}
1642 		break;
1643 	case CT_IBOOK:
1644 		DRM_INFO("Connector Table: %d (ibook)\n",
1645 			 rdev->mode_info.connector_table);
1646 		/* LVDS */
1647 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1648 		hpd.hpd = RADEON_HPD_NONE;
1649 		radeon_add_legacy_encoder(dev,
1650 					  radeon_get_encoder_enum(dev,
1651 								ATOM_DEVICE_LCD1_SUPPORT,
1652 								0),
1653 					  ATOM_DEVICE_LCD1_SUPPORT);
1654 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1655 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1656 					    CONNECTOR_OBJECT_ID_LVDS,
1657 					    &hpd);
1658 		/* VGA - TV DAC */
1659 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1660 		hpd.hpd = RADEON_HPD_NONE;
1661 		radeon_add_legacy_encoder(dev,
1662 					  radeon_get_encoder_enum(dev,
1663 								ATOM_DEVICE_CRT2_SUPPORT,
1664 								2),
1665 					  ATOM_DEVICE_CRT2_SUPPORT);
1666 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1667 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1668 					    CONNECTOR_OBJECT_ID_VGA,
1669 					    &hpd);
1670 		/* TV - TV DAC */
1671 		ddc_i2c.valid = false;
1672 		hpd.hpd = RADEON_HPD_NONE;
1673 		radeon_add_legacy_encoder(dev,
1674 					  radeon_get_encoder_enum(dev,
1675 								ATOM_DEVICE_TV1_SUPPORT,
1676 								2),
1677 					  ATOM_DEVICE_TV1_SUPPORT);
1678 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1679 					    DRM_MODE_CONNECTOR_SVIDEO,
1680 					    &ddc_i2c,
1681 					    CONNECTOR_OBJECT_ID_SVIDEO,
1682 					    &hpd);
1683 		break;
1684 	case CT_POWERBOOK_EXTERNAL:
1685 		DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
1686 			 rdev->mode_info.connector_table);
1687 		/* LVDS */
1688 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1689 		hpd.hpd = RADEON_HPD_NONE;
1690 		radeon_add_legacy_encoder(dev,
1691 					  radeon_get_encoder_enum(dev,
1692 								ATOM_DEVICE_LCD1_SUPPORT,
1693 								0),
1694 					  ATOM_DEVICE_LCD1_SUPPORT);
1695 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1696 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1697 					    CONNECTOR_OBJECT_ID_LVDS,
1698 					    &hpd);
1699 		/* DVI-I - primary dac, ext tmds */
1700 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1701 		hpd.hpd = RADEON_HPD_2; /* ??? */
1702 		radeon_add_legacy_encoder(dev,
1703 					  radeon_get_encoder_enum(dev,
1704 								ATOM_DEVICE_DFP2_SUPPORT,
1705 								0),
1706 					  ATOM_DEVICE_DFP2_SUPPORT);
1707 		radeon_add_legacy_encoder(dev,
1708 					  radeon_get_encoder_enum(dev,
1709 								ATOM_DEVICE_CRT1_SUPPORT,
1710 								1),
1711 					  ATOM_DEVICE_CRT1_SUPPORT);
1712 		/* XXX some are SL */
1713 		radeon_add_legacy_connector(dev, 1,
1714 					    ATOM_DEVICE_DFP2_SUPPORT |
1715 					    ATOM_DEVICE_CRT1_SUPPORT,
1716 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1717 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
1718 					    &hpd);
1719 		/* TV - TV DAC */
1720 		ddc_i2c.valid = false;
1721 		hpd.hpd = RADEON_HPD_NONE;
1722 		radeon_add_legacy_encoder(dev,
1723 					  radeon_get_encoder_enum(dev,
1724 								ATOM_DEVICE_TV1_SUPPORT,
1725 								2),
1726 					  ATOM_DEVICE_TV1_SUPPORT);
1727 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1728 					    DRM_MODE_CONNECTOR_SVIDEO,
1729 					    &ddc_i2c,
1730 					    CONNECTOR_OBJECT_ID_SVIDEO,
1731 					    &hpd);
1732 		break;
1733 	case CT_POWERBOOK_INTERNAL:
1734 		DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
1735 			 rdev->mode_info.connector_table);
1736 		/* LVDS */
1737 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1738 		hpd.hpd = RADEON_HPD_NONE;
1739 		radeon_add_legacy_encoder(dev,
1740 					  radeon_get_encoder_enum(dev,
1741 								ATOM_DEVICE_LCD1_SUPPORT,
1742 								0),
1743 					  ATOM_DEVICE_LCD1_SUPPORT);
1744 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1745 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1746 					    CONNECTOR_OBJECT_ID_LVDS,
1747 					    &hpd);
1748 		/* DVI-I - primary dac, int tmds */
1749 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1750 		hpd.hpd = RADEON_HPD_1; /* ??? */
1751 		radeon_add_legacy_encoder(dev,
1752 					  radeon_get_encoder_enum(dev,
1753 								ATOM_DEVICE_DFP1_SUPPORT,
1754 								0),
1755 					  ATOM_DEVICE_DFP1_SUPPORT);
1756 		radeon_add_legacy_encoder(dev,
1757 					  radeon_get_encoder_enum(dev,
1758 								ATOM_DEVICE_CRT1_SUPPORT,
1759 								1),
1760 					  ATOM_DEVICE_CRT1_SUPPORT);
1761 		radeon_add_legacy_connector(dev, 1,
1762 					    ATOM_DEVICE_DFP1_SUPPORT |
1763 					    ATOM_DEVICE_CRT1_SUPPORT,
1764 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1765 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1766 					    &hpd);
1767 		/* TV - TV DAC */
1768 		ddc_i2c.valid = false;
1769 		hpd.hpd = RADEON_HPD_NONE;
1770 		radeon_add_legacy_encoder(dev,
1771 					  radeon_get_encoder_enum(dev,
1772 								ATOM_DEVICE_TV1_SUPPORT,
1773 								2),
1774 					  ATOM_DEVICE_TV1_SUPPORT);
1775 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1776 					    DRM_MODE_CONNECTOR_SVIDEO,
1777 					    &ddc_i2c,
1778 					    CONNECTOR_OBJECT_ID_SVIDEO,
1779 					    &hpd);
1780 		break;
1781 	case CT_POWERBOOK_VGA:
1782 		DRM_INFO("Connector Table: %d (powerbook vga)\n",
1783 			 rdev->mode_info.connector_table);
1784 		/* LVDS */
1785 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1786 		hpd.hpd = RADEON_HPD_NONE;
1787 		radeon_add_legacy_encoder(dev,
1788 					  radeon_get_encoder_enum(dev,
1789 								ATOM_DEVICE_LCD1_SUPPORT,
1790 								0),
1791 					  ATOM_DEVICE_LCD1_SUPPORT);
1792 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1793 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1794 					    CONNECTOR_OBJECT_ID_LVDS,
1795 					    &hpd);
1796 		/* VGA - primary dac */
1797 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1798 		hpd.hpd = RADEON_HPD_NONE;
1799 		radeon_add_legacy_encoder(dev,
1800 					  radeon_get_encoder_enum(dev,
1801 								ATOM_DEVICE_CRT1_SUPPORT,
1802 								1),
1803 					  ATOM_DEVICE_CRT1_SUPPORT);
1804 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
1805 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1806 					    CONNECTOR_OBJECT_ID_VGA,
1807 					    &hpd);
1808 		/* TV - TV DAC */
1809 		ddc_i2c.valid = false;
1810 		hpd.hpd = RADEON_HPD_NONE;
1811 		radeon_add_legacy_encoder(dev,
1812 					  radeon_get_encoder_enum(dev,
1813 								ATOM_DEVICE_TV1_SUPPORT,
1814 								2),
1815 					  ATOM_DEVICE_TV1_SUPPORT);
1816 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1817 					    DRM_MODE_CONNECTOR_SVIDEO,
1818 					    &ddc_i2c,
1819 					    CONNECTOR_OBJECT_ID_SVIDEO,
1820 					    &hpd);
1821 		break;
1822 	case CT_MINI_EXTERNAL:
1823 		DRM_INFO("Connector Table: %d (mini external tmds)\n",
1824 			 rdev->mode_info.connector_table);
1825 		/* DVI-I - tv dac, ext tmds */
1826 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1827 		hpd.hpd = RADEON_HPD_2; /* ??? */
1828 		radeon_add_legacy_encoder(dev,
1829 					  radeon_get_encoder_enum(dev,
1830 								ATOM_DEVICE_DFP2_SUPPORT,
1831 								0),
1832 					  ATOM_DEVICE_DFP2_SUPPORT);
1833 		radeon_add_legacy_encoder(dev,
1834 					  radeon_get_encoder_enum(dev,
1835 								ATOM_DEVICE_CRT2_SUPPORT,
1836 								2),
1837 					  ATOM_DEVICE_CRT2_SUPPORT);
1838 		/* XXX are any DL? */
1839 		radeon_add_legacy_connector(dev, 0,
1840 					    ATOM_DEVICE_DFP2_SUPPORT |
1841 					    ATOM_DEVICE_CRT2_SUPPORT,
1842 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1843 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1844 					    &hpd);
1845 		/* TV - TV DAC */
1846 		ddc_i2c.valid = false;
1847 		hpd.hpd = RADEON_HPD_NONE;
1848 		radeon_add_legacy_encoder(dev,
1849 					  radeon_get_encoder_enum(dev,
1850 								ATOM_DEVICE_TV1_SUPPORT,
1851 								2),
1852 					  ATOM_DEVICE_TV1_SUPPORT);
1853 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1854 					    DRM_MODE_CONNECTOR_SVIDEO,
1855 					    &ddc_i2c,
1856 					    CONNECTOR_OBJECT_ID_SVIDEO,
1857 					    &hpd);
1858 		break;
1859 	case CT_MINI_INTERNAL:
1860 		DRM_INFO("Connector Table: %d (mini internal tmds)\n",
1861 			 rdev->mode_info.connector_table);
1862 		/* DVI-I - tv dac, int tmds */
1863 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1864 		hpd.hpd = RADEON_HPD_1; /* ??? */
1865 		radeon_add_legacy_encoder(dev,
1866 					  radeon_get_encoder_enum(dev,
1867 								ATOM_DEVICE_DFP1_SUPPORT,
1868 								0),
1869 					  ATOM_DEVICE_DFP1_SUPPORT);
1870 		radeon_add_legacy_encoder(dev,
1871 					  radeon_get_encoder_enum(dev,
1872 								ATOM_DEVICE_CRT2_SUPPORT,
1873 								2),
1874 					  ATOM_DEVICE_CRT2_SUPPORT);
1875 		radeon_add_legacy_connector(dev, 0,
1876 					    ATOM_DEVICE_DFP1_SUPPORT |
1877 					    ATOM_DEVICE_CRT2_SUPPORT,
1878 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1879 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1880 					    &hpd);
1881 		/* TV - TV DAC */
1882 		ddc_i2c.valid = false;
1883 		hpd.hpd = RADEON_HPD_NONE;
1884 		radeon_add_legacy_encoder(dev,
1885 					  radeon_get_encoder_enum(dev,
1886 								ATOM_DEVICE_TV1_SUPPORT,
1887 								2),
1888 					  ATOM_DEVICE_TV1_SUPPORT);
1889 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1890 					    DRM_MODE_CONNECTOR_SVIDEO,
1891 					    &ddc_i2c,
1892 					    CONNECTOR_OBJECT_ID_SVIDEO,
1893 					    &hpd);
1894 		break;
1895 	case CT_IMAC_G5_ISIGHT:
1896 		DRM_INFO("Connector Table: %d (imac g5 isight)\n",
1897 			 rdev->mode_info.connector_table);
1898 		/* DVI-D - int tmds */
1899 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1900 		hpd.hpd = RADEON_HPD_1; /* ??? */
1901 		radeon_add_legacy_encoder(dev,
1902 					  radeon_get_encoder_enum(dev,
1903 								ATOM_DEVICE_DFP1_SUPPORT,
1904 								0),
1905 					  ATOM_DEVICE_DFP1_SUPPORT);
1906 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
1907 					    DRM_MODE_CONNECTOR_DVID, &ddc_i2c,
1908 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
1909 					    &hpd);
1910 		/* VGA - tv dac */
1911 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1912 		hpd.hpd = RADEON_HPD_NONE;
1913 		radeon_add_legacy_encoder(dev,
1914 					  radeon_get_encoder_enum(dev,
1915 								ATOM_DEVICE_CRT2_SUPPORT,
1916 								2),
1917 					  ATOM_DEVICE_CRT2_SUPPORT);
1918 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1919 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1920 					    CONNECTOR_OBJECT_ID_VGA,
1921 					    &hpd);
1922 		/* TV - TV DAC */
1923 		ddc_i2c.valid = false;
1924 		hpd.hpd = RADEON_HPD_NONE;
1925 		radeon_add_legacy_encoder(dev,
1926 					  radeon_get_encoder_enum(dev,
1927 								ATOM_DEVICE_TV1_SUPPORT,
1928 								2),
1929 					  ATOM_DEVICE_TV1_SUPPORT);
1930 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1931 					    DRM_MODE_CONNECTOR_SVIDEO,
1932 					    &ddc_i2c,
1933 					    CONNECTOR_OBJECT_ID_SVIDEO,
1934 					    &hpd);
1935 		break;
1936 	case CT_EMAC:
1937 		DRM_INFO("Connector Table: %d (emac)\n",
1938 			 rdev->mode_info.connector_table);
1939 		/* VGA - primary dac */
1940 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1941 		hpd.hpd = RADEON_HPD_NONE;
1942 		radeon_add_legacy_encoder(dev,
1943 					  radeon_get_encoder_enum(dev,
1944 								ATOM_DEVICE_CRT1_SUPPORT,
1945 								1),
1946 					  ATOM_DEVICE_CRT1_SUPPORT);
1947 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1948 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1949 					    CONNECTOR_OBJECT_ID_VGA,
1950 					    &hpd);
1951 		/* VGA - tv dac */
1952 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1953 		hpd.hpd = RADEON_HPD_NONE;
1954 		radeon_add_legacy_encoder(dev,
1955 					  radeon_get_encoder_enum(dev,
1956 								ATOM_DEVICE_CRT2_SUPPORT,
1957 								2),
1958 					  ATOM_DEVICE_CRT2_SUPPORT);
1959 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1960 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1961 					    CONNECTOR_OBJECT_ID_VGA,
1962 					    &hpd);
1963 		/* TV - TV DAC */
1964 		ddc_i2c.valid = false;
1965 		hpd.hpd = RADEON_HPD_NONE;
1966 		radeon_add_legacy_encoder(dev,
1967 					  radeon_get_encoder_enum(dev,
1968 								ATOM_DEVICE_TV1_SUPPORT,
1969 								2),
1970 					  ATOM_DEVICE_TV1_SUPPORT);
1971 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1972 					    DRM_MODE_CONNECTOR_SVIDEO,
1973 					    &ddc_i2c,
1974 					    CONNECTOR_OBJECT_ID_SVIDEO,
1975 					    &hpd);
1976 		break;
1977 	case CT_RN50_POWER:
1978 		DRM_INFO("Connector Table: %d (rn50-power)\n",
1979 			 rdev->mode_info.connector_table);
1980 		/* VGA - primary dac */
1981 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1982 		hpd.hpd = RADEON_HPD_NONE;
1983 		radeon_add_legacy_encoder(dev,
1984 					  radeon_get_encoder_enum(dev,
1985 								ATOM_DEVICE_CRT1_SUPPORT,
1986 								1),
1987 					  ATOM_DEVICE_CRT1_SUPPORT);
1988 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1989 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1990 					    CONNECTOR_OBJECT_ID_VGA,
1991 					    &hpd);
1992 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1993 		hpd.hpd = RADEON_HPD_NONE;
1994 		radeon_add_legacy_encoder(dev,
1995 					  radeon_get_encoder_enum(dev,
1996 								ATOM_DEVICE_CRT2_SUPPORT,
1997 								2),
1998 					  ATOM_DEVICE_CRT2_SUPPORT);
1999 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
2000 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2001 					    CONNECTOR_OBJECT_ID_VGA,
2002 					    &hpd);
2003 		break;
2004 	case CT_MAC_X800:
2005 		DRM_INFO("Connector Table: %d (mac x800)\n",
2006 			 rdev->mode_info.connector_table);
2007 		/* DVI - primary dac, internal tmds */
2008 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2009 		hpd.hpd = RADEON_HPD_1; /* ??? */
2010 		radeon_add_legacy_encoder(dev,
2011 					  radeon_get_encoder_enum(dev,
2012 								  ATOM_DEVICE_DFP1_SUPPORT,
2013 								  0),
2014 					  ATOM_DEVICE_DFP1_SUPPORT);
2015 		radeon_add_legacy_encoder(dev,
2016 					  radeon_get_encoder_enum(dev,
2017 								  ATOM_DEVICE_CRT1_SUPPORT,
2018 								  1),
2019 					  ATOM_DEVICE_CRT1_SUPPORT);
2020 		radeon_add_legacy_connector(dev, 0,
2021 					    ATOM_DEVICE_DFP1_SUPPORT |
2022 					    ATOM_DEVICE_CRT1_SUPPORT,
2023 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2024 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2025 					    &hpd);
2026 		/* DVI - tv dac, dvo */
2027 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2028 		hpd.hpd = RADEON_HPD_2; /* ??? */
2029 		radeon_add_legacy_encoder(dev,
2030 					  radeon_get_encoder_enum(dev,
2031 								  ATOM_DEVICE_DFP2_SUPPORT,
2032 								  0),
2033 					  ATOM_DEVICE_DFP2_SUPPORT);
2034 		radeon_add_legacy_encoder(dev,
2035 					  radeon_get_encoder_enum(dev,
2036 								  ATOM_DEVICE_CRT2_SUPPORT,
2037 								  2),
2038 					  ATOM_DEVICE_CRT2_SUPPORT);
2039 		radeon_add_legacy_connector(dev, 1,
2040 					    ATOM_DEVICE_DFP2_SUPPORT |
2041 					    ATOM_DEVICE_CRT2_SUPPORT,
2042 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2043 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
2044 					    &hpd);
2045 		break;
2046 	case CT_MAC_G5_9600:
2047 		DRM_INFO("Connector Table: %d (mac g5 9600)\n",
2048 			 rdev->mode_info.connector_table);
2049 		/* DVI - tv dac, dvo */
2050 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2051 		hpd.hpd = RADEON_HPD_1; /* ??? */
2052 		radeon_add_legacy_encoder(dev,
2053 					  radeon_get_encoder_enum(dev,
2054 								  ATOM_DEVICE_DFP2_SUPPORT,
2055 								  0),
2056 					  ATOM_DEVICE_DFP2_SUPPORT);
2057 		radeon_add_legacy_encoder(dev,
2058 					  radeon_get_encoder_enum(dev,
2059 								  ATOM_DEVICE_CRT2_SUPPORT,
2060 								  2),
2061 					  ATOM_DEVICE_CRT2_SUPPORT);
2062 		radeon_add_legacy_connector(dev, 0,
2063 					    ATOM_DEVICE_DFP2_SUPPORT |
2064 					    ATOM_DEVICE_CRT2_SUPPORT,
2065 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2066 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2067 					    &hpd);
2068 		/* ADC - primary dac, internal tmds */
2069 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2070 		hpd.hpd = RADEON_HPD_2; /* ??? */
2071 		radeon_add_legacy_encoder(dev,
2072 					  radeon_get_encoder_enum(dev,
2073 								  ATOM_DEVICE_DFP1_SUPPORT,
2074 								  0),
2075 					  ATOM_DEVICE_DFP1_SUPPORT);
2076 		radeon_add_legacy_encoder(dev,
2077 					  radeon_get_encoder_enum(dev,
2078 								  ATOM_DEVICE_CRT1_SUPPORT,
2079 								  1),
2080 					  ATOM_DEVICE_CRT1_SUPPORT);
2081 		radeon_add_legacy_connector(dev, 1,
2082 					    ATOM_DEVICE_DFP1_SUPPORT |
2083 					    ATOM_DEVICE_CRT1_SUPPORT,
2084 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2085 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2086 					    &hpd);
2087 		/* TV - TV DAC */
2088 		ddc_i2c.valid = false;
2089 		hpd.hpd = RADEON_HPD_NONE;
2090 		radeon_add_legacy_encoder(dev,
2091 					  radeon_get_encoder_enum(dev,
2092 								ATOM_DEVICE_TV1_SUPPORT,
2093 								2),
2094 					  ATOM_DEVICE_TV1_SUPPORT);
2095 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2096 					    DRM_MODE_CONNECTOR_SVIDEO,
2097 					    &ddc_i2c,
2098 					    CONNECTOR_OBJECT_ID_SVIDEO,
2099 					    &hpd);
2100 		break;
2101 	case CT_SAM440EP:
2102 		DRM_INFO("Connector Table: %d (SAM440ep embedded board)\n",
2103 			 rdev->mode_info.connector_table);
2104 		/* LVDS */
2105 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
2106 		hpd.hpd = RADEON_HPD_NONE;
2107 		radeon_add_legacy_encoder(dev,
2108 					  radeon_get_encoder_enum(dev,
2109 								ATOM_DEVICE_LCD1_SUPPORT,
2110 								0),
2111 					  ATOM_DEVICE_LCD1_SUPPORT);
2112 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
2113 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
2114 					    CONNECTOR_OBJECT_ID_LVDS,
2115 					    &hpd);
2116 		/* DVI-I - secondary dac, int tmds */
2117 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2118 		hpd.hpd = RADEON_HPD_1; /* ??? */
2119 		radeon_add_legacy_encoder(dev,
2120 					  radeon_get_encoder_enum(dev,
2121 								ATOM_DEVICE_DFP1_SUPPORT,
2122 								0),
2123 					  ATOM_DEVICE_DFP1_SUPPORT);
2124 		radeon_add_legacy_encoder(dev,
2125 					  radeon_get_encoder_enum(dev,
2126 								ATOM_DEVICE_CRT2_SUPPORT,
2127 								2),
2128 					  ATOM_DEVICE_CRT2_SUPPORT);
2129 		radeon_add_legacy_connector(dev, 1,
2130 					    ATOM_DEVICE_DFP1_SUPPORT |
2131 					    ATOM_DEVICE_CRT2_SUPPORT,
2132 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2133 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2134 					    &hpd);
2135 		/* VGA - primary dac */
2136 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2137 		hpd.hpd = RADEON_HPD_NONE;
2138 		radeon_add_legacy_encoder(dev,
2139 					  radeon_get_encoder_enum(dev,
2140 								ATOM_DEVICE_CRT1_SUPPORT,
2141 								1),
2142 					  ATOM_DEVICE_CRT1_SUPPORT);
2143 		radeon_add_legacy_connector(dev, 2,
2144 					    ATOM_DEVICE_CRT1_SUPPORT,
2145 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2146 					    CONNECTOR_OBJECT_ID_VGA,
2147 					    &hpd);
2148 		/* TV - TV DAC */
2149 		ddc_i2c.valid = false;
2150 		hpd.hpd = RADEON_HPD_NONE;
2151 		radeon_add_legacy_encoder(dev,
2152 					  radeon_get_encoder_enum(dev,
2153 								ATOM_DEVICE_TV1_SUPPORT,
2154 								2),
2155 					  ATOM_DEVICE_TV1_SUPPORT);
2156 		radeon_add_legacy_connector(dev, 3, ATOM_DEVICE_TV1_SUPPORT,
2157 					    DRM_MODE_CONNECTOR_SVIDEO,
2158 					    &ddc_i2c,
2159 					    CONNECTOR_OBJECT_ID_SVIDEO,
2160 					    &hpd);
2161 		break;
2162 	case CT_MAC_G4_SILVER:
2163 		DRM_INFO("Connector Table: %d (mac g4 silver)\n",
2164 			 rdev->mode_info.connector_table);
2165 		/* DVI-I - tv dac, int tmds */
2166 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2167 		hpd.hpd = RADEON_HPD_1; /* ??? */
2168 		radeon_add_legacy_encoder(dev,
2169 					  radeon_get_encoder_enum(dev,
2170 								ATOM_DEVICE_DFP1_SUPPORT,
2171 								0),
2172 					  ATOM_DEVICE_DFP1_SUPPORT);
2173 		radeon_add_legacy_encoder(dev,
2174 					  radeon_get_encoder_enum(dev,
2175 								ATOM_DEVICE_CRT2_SUPPORT,
2176 								2),
2177 					  ATOM_DEVICE_CRT2_SUPPORT);
2178 		radeon_add_legacy_connector(dev, 0,
2179 					    ATOM_DEVICE_DFP1_SUPPORT |
2180 					    ATOM_DEVICE_CRT2_SUPPORT,
2181 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2182 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2183 					    &hpd);
2184 		/* VGA - primary dac */
2185 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2186 		hpd.hpd = RADEON_HPD_NONE;
2187 		radeon_add_legacy_encoder(dev,
2188 					  radeon_get_encoder_enum(dev,
2189 								ATOM_DEVICE_CRT1_SUPPORT,
2190 								1),
2191 					  ATOM_DEVICE_CRT1_SUPPORT);
2192 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
2193 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2194 					    CONNECTOR_OBJECT_ID_VGA,
2195 					    &hpd);
2196 		/* TV - TV DAC */
2197 		ddc_i2c.valid = false;
2198 		hpd.hpd = RADEON_HPD_NONE;
2199 		radeon_add_legacy_encoder(dev,
2200 					  radeon_get_encoder_enum(dev,
2201 								ATOM_DEVICE_TV1_SUPPORT,
2202 								2),
2203 					  ATOM_DEVICE_TV1_SUPPORT);
2204 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2205 					    DRM_MODE_CONNECTOR_SVIDEO,
2206 					    &ddc_i2c,
2207 					    CONNECTOR_OBJECT_ID_SVIDEO,
2208 					    &hpd);
2209 		break;
2210 	default:
2211 		DRM_INFO("Connector table: %d (invalid)\n",
2212 			 rdev->mode_info.connector_table);
2213 		return false;
2214 	}
2215 
2216 	radeon_link_encoder_connector(dev);
2217 
2218 	return true;
2219 }
2220 
2221 static bool radeon_apply_legacy_quirks(struct drm_device *dev,
2222 				       int bios_index,
2223 				       enum radeon_combios_connector
2224 				       *legacy_connector,
2225 				       struct radeon_i2c_bus_rec *ddc_i2c,
2226 				       struct radeon_hpd *hpd)
2227 {
2228 
2229 	/* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
2230 	   one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
2231 	if (dev->pdev->device == 0x515e &&
2232 	    dev->pdev->subsystem_vendor == 0x1014) {
2233 		if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
2234 		    ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
2235 			return false;
2236 	}
2237 
2238 	/* X300 card with extra non-existent DVI port */
2239 	if (dev->pdev->device == 0x5B60 &&
2240 	    dev->pdev->subsystem_vendor == 0x17af &&
2241 	    dev->pdev->subsystem_device == 0x201e && bios_index == 2) {
2242 		if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
2243 			return false;
2244 	}
2245 
2246 	return true;
2247 }
2248 
2249 static bool radeon_apply_legacy_tv_quirks(struct drm_device *dev)
2250 {
2251 	/* Acer 5102 has non-existent TV port */
2252 	if (dev->pdev->device == 0x5975 &&
2253 	    dev->pdev->subsystem_vendor == 0x1025 &&
2254 	    dev->pdev->subsystem_device == 0x009f)
2255 		return false;
2256 
2257 	/* HP dc5750 has non-existent TV port */
2258 	if (dev->pdev->device == 0x5974 &&
2259 	    dev->pdev->subsystem_vendor == 0x103c &&
2260 	    dev->pdev->subsystem_device == 0x280a)
2261 		return false;
2262 
2263 	/* MSI S270 has non-existent TV port */
2264 	if (dev->pdev->device == 0x5955 &&
2265 	    dev->pdev->subsystem_vendor == 0x1462 &&
2266 	    dev->pdev->subsystem_device == 0x0131)
2267 		return false;
2268 
2269 	return true;
2270 }
2271 
2272 static uint16_t combios_check_dl_dvi(struct drm_device *dev, int is_dvi_d)
2273 {
2274 	struct radeon_device *rdev = dev->dev_private;
2275 	uint32_t ext_tmds_info;
2276 
2277 	if (rdev->flags & RADEON_IS_IGP) {
2278 		if (is_dvi_d)
2279 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2280 		else
2281 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2282 	}
2283 	ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2284 	if (ext_tmds_info) {
2285 		uint8_t rev = RBIOS8(ext_tmds_info);
2286 		uint8_t flags = RBIOS8(ext_tmds_info + 4 + 5);
2287 		if (rev >= 3) {
2288 			if (is_dvi_d)
2289 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2290 			else
2291 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2292 		} else {
2293 			if (flags & 1) {
2294 				if (is_dvi_d)
2295 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2296 				else
2297 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2298 			}
2299 		}
2300 	}
2301 	if (is_dvi_d)
2302 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2303 	else
2304 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2305 }
2306 
2307 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
2308 {
2309 	struct radeon_device *rdev = dev->dev_private;
2310 	uint32_t conn_info, entry, devices;
2311 	uint16_t tmp, connector_object_id;
2312 	enum radeon_combios_ddc ddc_type;
2313 	enum radeon_combios_connector connector;
2314 	int i = 0;
2315 	struct radeon_i2c_bus_rec ddc_i2c;
2316 	struct radeon_hpd hpd;
2317 
2318 	conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
2319 	if (conn_info) {
2320 		for (i = 0; i < 4; i++) {
2321 			entry = conn_info + 2 + i * 2;
2322 
2323 			if (!RBIOS16(entry))
2324 				break;
2325 
2326 			tmp = RBIOS16(entry);
2327 
2328 			connector = (tmp >> 12) & 0xf;
2329 
2330 			ddc_type = (tmp >> 8) & 0xf;
2331 			if (ddc_type == 5)
2332 				ddc_i2c = radeon_combios_get_i2c_info_from_table(rdev);
2333 			else
2334 				ddc_i2c = combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2335 
2336 			switch (connector) {
2337 			case CONNECTOR_PROPRIETARY_LEGACY:
2338 			case CONNECTOR_DVI_I_LEGACY:
2339 			case CONNECTOR_DVI_D_LEGACY:
2340 				if ((tmp >> 4) & 0x1)
2341 					hpd.hpd = RADEON_HPD_2;
2342 				else
2343 					hpd.hpd = RADEON_HPD_1;
2344 				break;
2345 			default:
2346 				hpd.hpd = RADEON_HPD_NONE;
2347 				break;
2348 			}
2349 
2350 			if (!radeon_apply_legacy_quirks(dev, i, &connector,
2351 							&ddc_i2c, &hpd))
2352 				continue;
2353 
2354 			switch (connector) {
2355 			case CONNECTOR_PROPRIETARY_LEGACY:
2356 				if ((tmp >> 4) & 0x1)
2357 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2358 				else
2359 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2360 				radeon_add_legacy_encoder(dev,
2361 							  radeon_get_encoder_enum
2362 							  (dev, devices, 0),
2363 							  devices);
2364 				radeon_add_legacy_connector(dev, i, devices,
2365 							    legacy_connector_convert
2366 							    [connector],
2367 							    &ddc_i2c,
2368 							    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
2369 							    &hpd);
2370 				break;
2371 			case CONNECTOR_CRT_LEGACY:
2372 				if (tmp & 0x1) {
2373 					devices = ATOM_DEVICE_CRT2_SUPPORT;
2374 					radeon_add_legacy_encoder(dev,
2375 								  radeon_get_encoder_enum
2376 								  (dev,
2377 								   ATOM_DEVICE_CRT2_SUPPORT,
2378 								   2),
2379 								  ATOM_DEVICE_CRT2_SUPPORT);
2380 				} else {
2381 					devices = ATOM_DEVICE_CRT1_SUPPORT;
2382 					radeon_add_legacy_encoder(dev,
2383 								  radeon_get_encoder_enum
2384 								  (dev,
2385 								   ATOM_DEVICE_CRT1_SUPPORT,
2386 								   1),
2387 								  ATOM_DEVICE_CRT1_SUPPORT);
2388 				}
2389 				radeon_add_legacy_connector(dev,
2390 							    i,
2391 							    devices,
2392 							    legacy_connector_convert
2393 							    [connector],
2394 							    &ddc_i2c,
2395 							    CONNECTOR_OBJECT_ID_VGA,
2396 							    &hpd);
2397 				break;
2398 			case CONNECTOR_DVI_I_LEGACY:
2399 				devices = 0;
2400 				if (tmp & 0x1) {
2401 					devices |= ATOM_DEVICE_CRT2_SUPPORT;
2402 					radeon_add_legacy_encoder(dev,
2403 								  radeon_get_encoder_enum
2404 								  (dev,
2405 								   ATOM_DEVICE_CRT2_SUPPORT,
2406 								   2),
2407 								  ATOM_DEVICE_CRT2_SUPPORT);
2408 				} else {
2409 					devices |= ATOM_DEVICE_CRT1_SUPPORT;
2410 					radeon_add_legacy_encoder(dev,
2411 								  radeon_get_encoder_enum
2412 								  (dev,
2413 								   ATOM_DEVICE_CRT1_SUPPORT,
2414 								   1),
2415 								  ATOM_DEVICE_CRT1_SUPPORT);
2416 				}
2417 				/* RV100 board with external TDMS bit mis-set.
2418 				 * Actually uses internal TMDS, clear the bit.
2419 				 */
2420 				if (dev->pdev->device == 0x5159 &&
2421 				    dev->pdev->subsystem_vendor == 0x1014 &&
2422 				    dev->pdev->subsystem_device == 0x029A) {
2423 					tmp &= ~(1 << 4);
2424 				}
2425 				if ((tmp >> 4) & 0x1) {
2426 					devices |= ATOM_DEVICE_DFP2_SUPPORT;
2427 					radeon_add_legacy_encoder(dev,
2428 								  radeon_get_encoder_enum
2429 								  (dev,
2430 								   ATOM_DEVICE_DFP2_SUPPORT,
2431 								   0),
2432 								  ATOM_DEVICE_DFP2_SUPPORT);
2433 					connector_object_id = combios_check_dl_dvi(dev, 0);
2434 				} else {
2435 					devices |= ATOM_DEVICE_DFP1_SUPPORT;
2436 					radeon_add_legacy_encoder(dev,
2437 								  radeon_get_encoder_enum
2438 								  (dev,
2439 								   ATOM_DEVICE_DFP1_SUPPORT,
2440 								   0),
2441 								  ATOM_DEVICE_DFP1_SUPPORT);
2442 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2443 				}
2444 				radeon_add_legacy_connector(dev,
2445 							    i,
2446 							    devices,
2447 							    legacy_connector_convert
2448 							    [connector],
2449 							    &ddc_i2c,
2450 							    connector_object_id,
2451 							    &hpd);
2452 				break;
2453 			case CONNECTOR_DVI_D_LEGACY:
2454 				if ((tmp >> 4) & 0x1) {
2455 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2456 					connector_object_id = combios_check_dl_dvi(dev, 1);
2457 				} else {
2458 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2459 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2460 				}
2461 				radeon_add_legacy_encoder(dev,
2462 							  radeon_get_encoder_enum
2463 							  (dev, devices, 0),
2464 							  devices);
2465 				radeon_add_legacy_connector(dev, i, devices,
2466 							    legacy_connector_convert
2467 							    [connector],
2468 							    &ddc_i2c,
2469 							    connector_object_id,
2470 							    &hpd);
2471 				break;
2472 			case CONNECTOR_CTV_LEGACY:
2473 			case CONNECTOR_STV_LEGACY:
2474 				radeon_add_legacy_encoder(dev,
2475 							  radeon_get_encoder_enum
2476 							  (dev,
2477 							   ATOM_DEVICE_TV1_SUPPORT,
2478 							   2),
2479 							  ATOM_DEVICE_TV1_SUPPORT);
2480 				radeon_add_legacy_connector(dev, i,
2481 							    ATOM_DEVICE_TV1_SUPPORT,
2482 							    legacy_connector_convert
2483 							    [connector],
2484 							    &ddc_i2c,
2485 							    CONNECTOR_OBJECT_ID_SVIDEO,
2486 							    &hpd);
2487 				break;
2488 			default:
2489 				DRM_ERROR("Unknown connector type: %d\n",
2490 					  connector);
2491 				continue;
2492 			}
2493 
2494 		}
2495 	} else {
2496 		uint16_t tmds_info =
2497 		    combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
2498 		if (tmds_info) {
2499 			DRM_DEBUG_KMS("Found DFP table, assuming DVI connector\n");
2500 
2501 			radeon_add_legacy_encoder(dev,
2502 						  radeon_get_encoder_enum(dev,
2503 									ATOM_DEVICE_CRT1_SUPPORT,
2504 									1),
2505 						  ATOM_DEVICE_CRT1_SUPPORT);
2506 			radeon_add_legacy_encoder(dev,
2507 						  radeon_get_encoder_enum(dev,
2508 									ATOM_DEVICE_DFP1_SUPPORT,
2509 									0),
2510 						  ATOM_DEVICE_DFP1_SUPPORT);
2511 
2512 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2513 			hpd.hpd = RADEON_HPD_1;
2514 			radeon_add_legacy_connector(dev,
2515 						    0,
2516 						    ATOM_DEVICE_CRT1_SUPPORT |
2517 						    ATOM_DEVICE_DFP1_SUPPORT,
2518 						    DRM_MODE_CONNECTOR_DVII,
2519 						    &ddc_i2c,
2520 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2521 						    &hpd);
2522 		} else {
2523 			uint16_t crt_info =
2524 				combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
2525 			DRM_DEBUG_KMS("Found CRT table, assuming VGA connector\n");
2526 			if (crt_info) {
2527 				radeon_add_legacy_encoder(dev,
2528 							  radeon_get_encoder_enum(dev,
2529 										ATOM_DEVICE_CRT1_SUPPORT,
2530 										1),
2531 							  ATOM_DEVICE_CRT1_SUPPORT);
2532 				ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2533 				hpd.hpd = RADEON_HPD_NONE;
2534 				radeon_add_legacy_connector(dev,
2535 							    0,
2536 							    ATOM_DEVICE_CRT1_SUPPORT,
2537 							    DRM_MODE_CONNECTOR_VGA,
2538 							    &ddc_i2c,
2539 							    CONNECTOR_OBJECT_ID_VGA,
2540 							    &hpd);
2541 			} else {
2542 				DRM_DEBUG_KMS("No connector info found\n");
2543 				return false;
2544 			}
2545 		}
2546 	}
2547 
2548 	if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
2549 		uint16_t lcd_info =
2550 		    combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
2551 		if (lcd_info) {
2552 			uint16_t lcd_ddc_info =
2553 			    combios_get_table_offset(dev,
2554 						     COMBIOS_LCD_DDC_INFO_TABLE);
2555 
2556 			radeon_add_legacy_encoder(dev,
2557 						  radeon_get_encoder_enum(dev,
2558 									ATOM_DEVICE_LCD1_SUPPORT,
2559 									0),
2560 						  ATOM_DEVICE_LCD1_SUPPORT);
2561 
2562 			if (lcd_ddc_info) {
2563 				ddc_type = RBIOS8(lcd_ddc_info + 2);
2564 				switch (ddc_type) {
2565 				case DDC_LCD:
2566 					ddc_i2c =
2567 						combios_setup_i2c_bus(rdev,
2568 								      DDC_LCD,
2569 								      RBIOS32(lcd_ddc_info + 3),
2570 								      RBIOS32(lcd_ddc_info + 7));
2571 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2572 					break;
2573 				case DDC_GPIO:
2574 					ddc_i2c =
2575 						combios_setup_i2c_bus(rdev,
2576 								      DDC_GPIO,
2577 								      RBIOS32(lcd_ddc_info + 3),
2578 								      RBIOS32(lcd_ddc_info + 7));
2579 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2580 					break;
2581 				default:
2582 					ddc_i2c =
2583 						combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2584 					break;
2585 				}
2586 				DRM_DEBUG_KMS("LCD DDC Info Table found!\n");
2587 			} else
2588 				ddc_i2c.valid = false;
2589 
2590 			hpd.hpd = RADEON_HPD_NONE;
2591 			radeon_add_legacy_connector(dev,
2592 						    5,
2593 						    ATOM_DEVICE_LCD1_SUPPORT,
2594 						    DRM_MODE_CONNECTOR_LVDS,
2595 						    &ddc_i2c,
2596 						    CONNECTOR_OBJECT_ID_LVDS,
2597 						    &hpd);
2598 		}
2599 	}
2600 
2601 	/* check TV table */
2602 	if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
2603 		uint32_t tv_info =
2604 		    combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
2605 		if (tv_info) {
2606 			if (RBIOS8(tv_info + 6) == 'T') {
2607 				if (radeon_apply_legacy_tv_quirks(dev)) {
2608 					hpd.hpd = RADEON_HPD_NONE;
2609 					ddc_i2c.valid = false;
2610 					radeon_add_legacy_encoder(dev,
2611 								  radeon_get_encoder_enum
2612 								  (dev,
2613 								   ATOM_DEVICE_TV1_SUPPORT,
2614 								   2),
2615 								  ATOM_DEVICE_TV1_SUPPORT);
2616 					radeon_add_legacy_connector(dev, 6,
2617 								    ATOM_DEVICE_TV1_SUPPORT,
2618 								    DRM_MODE_CONNECTOR_SVIDEO,
2619 								    &ddc_i2c,
2620 								    CONNECTOR_OBJECT_ID_SVIDEO,
2621 								    &hpd);
2622 				}
2623 			}
2624 		}
2625 	}
2626 
2627 	radeon_link_encoder_connector(dev);
2628 
2629 	return true;
2630 }
2631 
2632 static const char *thermal_controller_names[] = {
2633 	"NONE",
2634 	"lm63",
2635 	"adm1032",
2636 };
2637 
2638 void radeon_combios_get_power_modes(struct radeon_device *rdev)
2639 {
2640 	struct drm_device *dev = rdev->ddev;
2641 	u16 offset, misc, misc2 = 0;
2642 	u8 rev, tmp;
2643 	int state_index = 0;
2644 	struct radeon_i2c_bus_rec i2c_bus;
2645 
2646 	rdev->pm.default_power_state_index = -1;
2647 
2648 	/* allocate 2 power states */
2649 	rdev->pm.power_state = kcalloc(2, sizeof(struct radeon_power_state),
2650 				       GFP_KERNEL);
2651 	if (rdev->pm.power_state) {
2652 		/* allocate 1 clock mode per state */
2653 		rdev->pm.power_state[0].clock_info =
2654 			kcalloc(1, sizeof(struct radeon_pm_clock_info),
2655 				GFP_KERNEL);
2656 		rdev->pm.power_state[1].clock_info =
2657 			kcalloc(1, sizeof(struct radeon_pm_clock_info),
2658 				GFP_KERNEL);
2659 		if (!rdev->pm.power_state[0].clock_info ||
2660 		    !rdev->pm.power_state[1].clock_info)
2661 			goto pm_failed;
2662 	} else
2663 		goto pm_failed;
2664 
2665 	/* check for a thermal chip */
2666 	offset = combios_get_table_offset(dev, COMBIOS_OVERDRIVE_INFO_TABLE);
2667 	if (offset) {
2668 		u8 thermal_controller = 0, gpio = 0, i2c_addr = 0, clk_bit = 0, data_bit = 0;
2669 
2670 		rev = RBIOS8(offset);
2671 
2672 		if (rev == 0) {
2673 			thermal_controller = RBIOS8(offset + 3);
2674 			gpio = RBIOS8(offset + 4) & 0x3f;
2675 			i2c_addr = RBIOS8(offset + 5);
2676 		} else if (rev == 1) {
2677 			thermal_controller = RBIOS8(offset + 4);
2678 			gpio = RBIOS8(offset + 5) & 0x3f;
2679 			i2c_addr = RBIOS8(offset + 6);
2680 		} else if (rev == 2) {
2681 			thermal_controller = RBIOS8(offset + 4);
2682 			gpio = RBIOS8(offset + 5) & 0x3f;
2683 			i2c_addr = RBIOS8(offset + 6);
2684 			clk_bit = RBIOS8(offset + 0xa);
2685 			data_bit = RBIOS8(offset + 0xb);
2686 		}
2687 		if ((thermal_controller > 0) && (thermal_controller < 3)) {
2688 			DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2689 				 thermal_controller_names[thermal_controller],
2690 				 i2c_addr >> 1);
2691 			if (gpio == DDC_LCD) {
2692 				/* MM i2c */
2693 				i2c_bus.valid = true;
2694 				i2c_bus.hw_capable = true;
2695 				i2c_bus.mm_i2c = true;
2696 				i2c_bus.i2c_id = 0xa0;
2697 			} else if (gpio == DDC_GPIO)
2698 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 1 << clk_bit, 1 << data_bit);
2699 			else
2700 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
2701 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2702 			if (rdev->pm.i2c_bus) {
2703 				struct i2c_board_info info = { };
2704 				const char *name = thermal_controller_names[thermal_controller];
2705 				info.addr = i2c_addr >> 1;
2706 				strlcpy(info.type, name, sizeof(info.type));
2707 				i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info);
2708 			}
2709 		}
2710 	} else {
2711 		/* boards with a thermal chip, but no overdrive table */
2712 
2713 		/* Asus 9600xt has an f75375 on the monid bus */
2714 		if ((dev->pdev->device == 0x4152) &&
2715 		    (dev->pdev->subsystem_vendor == 0x1043) &&
2716 		    (dev->pdev->subsystem_device == 0xc002)) {
2717 			i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2718 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2719 			if (rdev->pm.i2c_bus) {
2720 				struct i2c_board_info info = { };
2721 				const char *name = "f75375";
2722 				info.addr = 0x28;
2723 				strlcpy(info.type, name, sizeof(info.type));
2724 				i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info);
2725 				DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2726 					 name, info.addr);
2727 			}
2728 		}
2729 	}
2730 
2731 	if (rdev->flags & RADEON_IS_MOBILITY) {
2732 		offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
2733 		if (offset) {
2734 			rev = RBIOS8(offset);
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