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 "radeon_legacy_encoders.h"
35 #include "atom.h"
36 
37 #ifdef CONFIG_PPC_PMAC
38 /* not sure which of these are needed */
39 #include <asm/machdep.h>
40 #include <asm/pmac_feature.h>
41 #include <asm/prom.h>
42 #endif /* CONFIG_PPC_PMAC */
43 
44 /* old legacy ATI BIOS routines */
45 
46 /* COMBIOS table offsets */
47 enum radeon_combios_table_offset {
48 	/* absolute offset tables */
49 	COMBIOS_ASIC_INIT_1_TABLE,
50 	COMBIOS_BIOS_SUPPORT_TABLE,
51 	COMBIOS_DAC_PROGRAMMING_TABLE,
52 	COMBIOS_MAX_COLOR_DEPTH_TABLE,
53 	COMBIOS_CRTC_INFO_TABLE,
54 	COMBIOS_PLL_INFO_TABLE,
55 	COMBIOS_TV_INFO_TABLE,
56 	COMBIOS_DFP_INFO_TABLE,
57 	COMBIOS_HW_CONFIG_INFO_TABLE,
58 	COMBIOS_MULTIMEDIA_INFO_TABLE,
59 	COMBIOS_TV_STD_PATCH_TABLE,
60 	COMBIOS_LCD_INFO_TABLE,
61 	COMBIOS_MOBILE_INFO_TABLE,
62 	COMBIOS_PLL_INIT_TABLE,
63 	COMBIOS_MEM_CONFIG_TABLE,
64 	COMBIOS_SAVE_MASK_TABLE,
65 	COMBIOS_HARDCODED_EDID_TABLE,
66 	COMBIOS_ASIC_INIT_2_TABLE,
67 	COMBIOS_CONNECTOR_INFO_TABLE,
68 	COMBIOS_DYN_CLK_1_TABLE,
69 	COMBIOS_RESERVED_MEM_TABLE,
70 	COMBIOS_EXT_TMDS_INFO_TABLE,
71 	COMBIOS_MEM_CLK_INFO_TABLE,
72 	COMBIOS_EXT_DAC_INFO_TABLE,
73 	COMBIOS_MISC_INFO_TABLE,
74 	COMBIOS_CRT_INFO_TABLE,
75 	COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE,
76 	COMBIOS_COMPONENT_VIDEO_INFO_TABLE,
77 	COMBIOS_FAN_SPEED_INFO_TABLE,
78 	COMBIOS_OVERDRIVE_INFO_TABLE,
79 	COMBIOS_OEM_INFO_TABLE,
80 	COMBIOS_DYN_CLK_2_TABLE,
81 	COMBIOS_POWER_CONNECTOR_INFO_TABLE,
82 	COMBIOS_I2C_INFO_TABLE,
83 	/* relative offset tables */
84 	COMBIOS_ASIC_INIT_3_TABLE,	/* offset from misc info */
85 	COMBIOS_ASIC_INIT_4_TABLE,	/* offset from misc info */
86 	COMBIOS_DETECTED_MEM_TABLE,	/* offset from misc info */
87 	COMBIOS_ASIC_INIT_5_TABLE,	/* offset from misc info */
88 	COMBIOS_RAM_RESET_TABLE,	/* offset from mem config */
89 	COMBIOS_POWERPLAY_INFO_TABLE,	/* offset from mobile info */
90 	COMBIOS_GPIO_INFO_TABLE,	/* offset from mobile info */
91 	COMBIOS_LCD_DDC_INFO_TABLE,	/* offset from mobile info */
92 	COMBIOS_TMDS_POWER_TABLE,	/* offset from mobile info */
93 	COMBIOS_TMDS_POWER_ON_TABLE,	/* offset from tmds power */
94 	COMBIOS_TMDS_POWER_OFF_TABLE,	/* offset from tmds power */
95 };
96 
97 enum radeon_combios_ddc {
98 	DDC_NONE_DETECTED,
99 	DDC_MONID,
100 	DDC_DVI,
101 	DDC_VGA,
102 	DDC_CRT2,
103 	DDC_LCD,
104 	DDC_GPIO,
105 };
106 
107 enum radeon_combios_connector {
108 	CONNECTOR_NONE_LEGACY,
109 	CONNECTOR_PROPRIETARY_LEGACY,
110 	CONNECTOR_CRT_LEGACY,
111 	CONNECTOR_DVI_I_LEGACY,
112 	CONNECTOR_DVI_D_LEGACY,
113 	CONNECTOR_CTV_LEGACY,
114 	CONNECTOR_STV_LEGACY,
115 	CONNECTOR_UNSUPPORTED_LEGACY
116 };
117 
118 static const int legacy_connector_convert[] = {
119 	DRM_MODE_CONNECTOR_Unknown,
120 	DRM_MODE_CONNECTOR_DVID,
121 	DRM_MODE_CONNECTOR_VGA,
122 	DRM_MODE_CONNECTOR_DVII,
123 	DRM_MODE_CONNECTOR_DVID,
124 	DRM_MODE_CONNECTOR_Composite,
125 	DRM_MODE_CONNECTOR_SVIDEO,
126 	DRM_MODE_CONNECTOR_Unknown,
127 };
128 
129 static uint16_t combios_get_table_offset(struct drm_device *dev,
130 					 enum radeon_combios_table_offset table)
131 {
132 	struct radeon_device *rdev = dev->dev_private;
133 	int rev, size;
134 	uint16_t offset = 0, check_offset;
135 
136 	if (!rdev->bios)
137 		return 0;
138 
139 	switch (table) {
140 		/* absolute offset tables */
141 	case COMBIOS_ASIC_INIT_1_TABLE:
142 		check_offset = 0xc;
143 		break;
144 	case COMBIOS_BIOS_SUPPORT_TABLE:
145 		check_offset = 0x14;
146 		break;
147 	case COMBIOS_DAC_PROGRAMMING_TABLE:
148 		check_offset = 0x2a;
149 		break;
150 	case COMBIOS_MAX_COLOR_DEPTH_TABLE:
151 		check_offset = 0x2c;
152 		break;
153 	case COMBIOS_CRTC_INFO_TABLE:
154 		check_offset = 0x2e;
155 		break;
156 	case COMBIOS_PLL_INFO_TABLE:
157 		check_offset = 0x30;
158 		break;
159 	case COMBIOS_TV_INFO_TABLE:
160 		check_offset = 0x32;
161 		break;
162 	case COMBIOS_DFP_INFO_TABLE:
163 		check_offset = 0x34;
164 		break;
165 	case COMBIOS_HW_CONFIG_INFO_TABLE:
166 		check_offset = 0x36;
167 		break;
168 	case COMBIOS_MULTIMEDIA_INFO_TABLE:
169 		check_offset = 0x38;
170 		break;
171 	case COMBIOS_TV_STD_PATCH_TABLE:
172 		check_offset = 0x3e;
173 		break;
174 	case COMBIOS_LCD_INFO_TABLE:
175 		check_offset = 0x40;
176 		break;
177 	case COMBIOS_MOBILE_INFO_TABLE:
178 		check_offset = 0x42;
179 		break;
180 	case COMBIOS_PLL_INIT_TABLE:
181 		check_offset = 0x46;
182 		break;
183 	case COMBIOS_MEM_CONFIG_TABLE:
184 		check_offset = 0x48;
185 		break;
186 	case COMBIOS_SAVE_MASK_TABLE:
187 		check_offset = 0x4a;
188 		break;
189 	case COMBIOS_HARDCODED_EDID_TABLE:
190 		check_offset = 0x4c;
191 		break;
192 	case COMBIOS_ASIC_INIT_2_TABLE:
193 		check_offset = 0x4e;
194 		break;
195 	case COMBIOS_CONNECTOR_INFO_TABLE:
196 		check_offset = 0x50;
197 		break;
198 	case COMBIOS_DYN_CLK_1_TABLE:
199 		check_offset = 0x52;
200 		break;
201 	case COMBIOS_RESERVED_MEM_TABLE:
202 		check_offset = 0x54;
203 		break;
204 	case COMBIOS_EXT_TMDS_INFO_TABLE:
205 		check_offset = 0x58;
206 		break;
207 	case COMBIOS_MEM_CLK_INFO_TABLE:
208 		check_offset = 0x5a;
209 		break;
210 	case COMBIOS_EXT_DAC_INFO_TABLE:
211 		check_offset = 0x5c;
212 		break;
213 	case COMBIOS_MISC_INFO_TABLE:
214 		check_offset = 0x5e;
215 		break;
216 	case COMBIOS_CRT_INFO_TABLE:
217 		check_offset = 0x60;
218 		break;
219 	case COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE:
220 		check_offset = 0x62;
221 		break;
222 	case COMBIOS_COMPONENT_VIDEO_INFO_TABLE:
223 		check_offset = 0x64;
224 		break;
225 	case COMBIOS_FAN_SPEED_INFO_TABLE:
226 		check_offset = 0x66;
227 		break;
228 	case COMBIOS_OVERDRIVE_INFO_TABLE:
229 		check_offset = 0x68;
230 		break;
231 	case COMBIOS_OEM_INFO_TABLE:
232 		check_offset = 0x6a;
233 		break;
234 	case COMBIOS_DYN_CLK_2_TABLE:
235 		check_offset = 0x6c;
236 		break;
237 	case COMBIOS_POWER_CONNECTOR_INFO_TABLE:
238 		check_offset = 0x6e;
239 		break;
240 	case COMBIOS_I2C_INFO_TABLE:
241 		check_offset = 0x70;
242 		break;
243 		/* relative offset tables */
244 	case COMBIOS_ASIC_INIT_3_TABLE:	/* offset from misc info */
245 		check_offset =
246 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
247 		if (check_offset) {
248 			rev = RBIOS8(check_offset);
249 			if (rev > 0) {
250 				check_offset = RBIOS16(check_offset + 0x3);
251 				if (check_offset)
252 					offset = check_offset;
253 			}
254 		}
255 		break;
256 	case COMBIOS_ASIC_INIT_4_TABLE:	/* offset from misc info */
257 		check_offset =
258 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
259 		if (check_offset) {
260 			rev = RBIOS8(check_offset);
261 			if (rev > 0) {
262 				check_offset = RBIOS16(check_offset + 0x5);
263 				if (check_offset)
264 					offset = check_offset;
265 			}
266 		}
267 		break;
268 	case COMBIOS_DETECTED_MEM_TABLE:	/* offset from misc info */
269 		check_offset =
270 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
271 		if (check_offset) {
272 			rev = RBIOS8(check_offset);
273 			if (rev > 0) {
274 				check_offset = RBIOS16(check_offset + 0x7);
275 				if (check_offset)
276 					offset = check_offset;
277 			}
278 		}
279 		break;
280 	case COMBIOS_ASIC_INIT_5_TABLE:	/* offset from misc info */
281 		check_offset =
282 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
283 		if (check_offset) {
284 			rev = RBIOS8(check_offset);
285 			if (rev == 2) {
286 				check_offset = RBIOS16(check_offset + 0x9);
287 				if (check_offset)
288 					offset = check_offset;
289 			}
290 		}
291 		break;
292 	case COMBIOS_RAM_RESET_TABLE:	/* offset from mem config */
293 		check_offset =
294 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
295 		if (check_offset) {
296 			while (RBIOS8(check_offset++));
297 			check_offset += 2;
298 			if (check_offset)
299 				offset = check_offset;
300 		}
301 		break;
302 	case COMBIOS_POWERPLAY_INFO_TABLE:	/* offset from mobile info */
303 		check_offset =
304 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
305 		if (check_offset) {
306 			check_offset = RBIOS16(check_offset + 0x11);
307 			if (check_offset)
308 				offset = check_offset;
309 		}
310 		break;
311 	case COMBIOS_GPIO_INFO_TABLE:	/* offset from mobile info */
312 		check_offset =
313 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
314 		if (check_offset) {
315 			check_offset = RBIOS16(check_offset + 0x13);
316 			if (check_offset)
317 				offset = check_offset;
318 		}
319 		break;
320 	case COMBIOS_LCD_DDC_INFO_TABLE:	/* offset from mobile info */
321 		check_offset =
322 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
323 		if (check_offset) {
324 			check_offset = RBIOS16(check_offset + 0x15);
325 			if (check_offset)
326 				offset = check_offset;
327 		}
328 		break;
329 	case COMBIOS_TMDS_POWER_TABLE:	/* offset from mobile info */
330 		check_offset =
331 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
332 		if (check_offset) {
333 			check_offset = RBIOS16(check_offset + 0x17);
334 			if (check_offset)
335 				offset = check_offset;
336 		}
337 		break;
338 	case COMBIOS_TMDS_POWER_ON_TABLE:	/* offset from tmds power */
339 		check_offset =
340 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
341 		if (check_offset) {
342 			check_offset = RBIOS16(check_offset + 0x2);
343 			if (check_offset)
344 				offset = check_offset;
345 		}
346 		break;
347 	case COMBIOS_TMDS_POWER_OFF_TABLE:	/* offset from tmds power */
348 		check_offset =
349 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
350 		if (check_offset) {
351 			check_offset = RBIOS16(check_offset + 0x4);
352 			if (check_offset)
353 				offset = check_offset;
354 		}
355 		break;
356 	default:
357 		check_offset = 0;
358 		break;
359 	}
360 
361 	size = RBIOS8(rdev->bios_header_start + 0x6);
362 	/* check absolute offset tables */
363 	if (table < COMBIOS_ASIC_INIT_3_TABLE && check_offset && check_offset < size)
364 		offset = RBIOS16(rdev->bios_header_start + check_offset);
365 
366 	return offset;
367 }
368 
369 bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev)
370 {
371 	int edid_info, size;
372 	struct edid *edid;
373 	unsigned char *raw;
374 	edid_info = combios_get_table_offset(rdev->ddev, COMBIOS_HARDCODED_EDID_TABLE);
375 	if (!edid_info)
376 		return false;
377 
378 	raw = rdev->bios + edid_info;
379 	size = EDID_LENGTH * (raw[0x7e] + 1);
380 	edid = kmalloc(size, GFP_KERNEL);
381 	if (edid == NULL)
382 		return false;
383 
384 	memcpy((unsigned char *)edid, raw, size);
385 
386 	if (!drm_edid_is_valid(edid)) {
387 		kfree(edid);
388 		return false;
389 	}
390 
391 	rdev->mode_info.bios_hardcoded_edid = edid;
392 	rdev->mode_info.bios_hardcoded_edid_size = size;
393 	return true;
394 }
395 
396 /* this is used for atom LCDs as well */
397 struct edid *
398 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev)
399 {
400 	struct edid *edid;
401 
402 	if (rdev->mode_info.bios_hardcoded_edid) {
403 		edid = kmalloc(rdev->mode_info.bios_hardcoded_edid_size, GFP_KERNEL);
404 		if (edid) {
405 			memcpy((unsigned char *)edid,
406 			       (unsigned char *)rdev->mode_info.bios_hardcoded_edid,
407 			       rdev->mode_info.bios_hardcoded_edid_size);
408 			return edid;
409 		}
410 	}
411 	return NULL;
412 }
413 
414 static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
415 						       enum radeon_combios_ddc ddc,
416 						       u32 clk_mask,
417 						       u32 data_mask)
418 {
419 	struct radeon_i2c_bus_rec i2c;
420 	int ddc_line = 0;
421 
422 	/* ddc id            = mask reg
423 	 * DDC_NONE_DETECTED = none
424 	 * DDC_DVI           = RADEON_GPIO_DVI_DDC
425 	 * DDC_VGA           = RADEON_GPIO_VGA_DDC
426 	 * DDC_LCD           = RADEON_GPIOPAD_MASK
427 	 * DDC_GPIO          = RADEON_MDGPIO_MASK
428 	 * r1xx
429 	 * DDC_MONID         = RADEON_GPIO_MONID
430 	 * DDC_CRT2          = RADEON_GPIO_CRT2_DDC
431 	 * r200
432 	 * DDC_MONID         = RADEON_GPIO_MONID
433 	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
434 	 * r300/r350
435 	 * DDC_MONID         = RADEON_GPIO_DVI_DDC
436 	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
437 	 * rv2xx/rv3xx
438 	 * DDC_MONID         = RADEON_GPIO_MONID
439 	 * DDC_CRT2          = RADEON_GPIO_MONID
440 	 * rs3xx/rs4xx
441 	 * DDC_MONID         = RADEON_GPIOPAD_MASK
442 	 * DDC_CRT2          = RADEON_GPIO_MONID
443 	 */
444 	switch (ddc) {
445 	case DDC_NONE_DETECTED:
446 	default:
447 		ddc_line = 0;
448 		break;
449 	case DDC_DVI:
450 		ddc_line = RADEON_GPIO_DVI_DDC;
451 		break;
452 	case DDC_VGA:
453 		ddc_line = RADEON_GPIO_VGA_DDC;
454 		break;
455 	case DDC_LCD:
456 		ddc_line = RADEON_GPIOPAD_MASK;
457 		break;
458 	case DDC_GPIO:
459 		ddc_line = RADEON_MDGPIO_MASK;
460 		break;
461 	case DDC_MONID:
462 		if (rdev->family == CHIP_RS300 ||
463 		    rdev->family == CHIP_RS400 ||
464 		    rdev->family == CHIP_RS480)
465 			ddc_line = RADEON_GPIOPAD_MASK;
466 		else if (rdev->family == CHIP_R300 ||
467 			 rdev->family == CHIP_R350) {
468 			ddc_line = RADEON_GPIO_DVI_DDC;
469 			ddc = DDC_DVI;
470 		} else
471 			ddc_line = RADEON_GPIO_MONID;
472 		break;
473 	case DDC_CRT2:
474 		if (rdev->family == CHIP_R200 ||
475 		    rdev->family == CHIP_R300 ||
476 		    rdev->family == CHIP_R350) {
477 			ddc_line = RADEON_GPIO_DVI_DDC;
478 			ddc = DDC_DVI;
479 		} else if (rdev->family == CHIP_RS300 ||
480 			   rdev->family == CHIP_RS400 ||
481 			   rdev->family == CHIP_RS480)
482 			ddc_line = RADEON_GPIO_MONID;
483 		else if (rdev->family >= CHIP_RV350) {
484 			ddc_line = RADEON_GPIO_MONID;
485 			ddc = DDC_MONID;
486 		} else
487 			ddc_line = RADEON_GPIO_CRT2_DDC;
488 		break;
489 	}
490 
491 	if (ddc_line == RADEON_GPIOPAD_MASK) {
492 		i2c.mask_clk_reg = RADEON_GPIOPAD_MASK;
493 		i2c.mask_data_reg = RADEON_GPIOPAD_MASK;
494 		i2c.a_clk_reg = RADEON_GPIOPAD_A;
495 		i2c.a_data_reg = RADEON_GPIOPAD_A;
496 		i2c.en_clk_reg = RADEON_GPIOPAD_EN;
497 		i2c.en_data_reg = RADEON_GPIOPAD_EN;
498 		i2c.y_clk_reg = RADEON_GPIOPAD_Y;
499 		i2c.y_data_reg = RADEON_GPIOPAD_Y;
500 	} else if (ddc_line == RADEON_MDGPIO_MASK) {
501 		i2c.mask_clk_reg = RADEON_MDGPIO_MASK;
502 		i2c.mask_data_reg = RADEON_MDGPIO_MASK;
503 		i2c.a_clk_reg = RADEON_MDGPIO_A;
504 		i2c.a_data_reg = RADEON_MDGPIO_A;
505 		i2c.en_clk_reg = RADEON_MDGPIO_EN;
506 		i2c.en_data_reg = RADEON_MDGPIO_EN;
507 		i2c.y_clk_reg = RADEON_MDGPIO_Y;
508 		i2c.y_data_reg = RADEON_MDGPIO_Y;
509 	} else {
510 		i2c.mask_clk_reg = ddc_line;
511 		i2c.mask_data_reg = ddc_line;
512 		i2c.a_clk_reg = ddc_line;
513 		i2c.a_data_reg = ddc_line;
514 		i2c.en_clk_reg = ddc_line;
515 		i2c.en_data_reg = ddc_line;
516 		i2c.y_clk_reg = ddc_line;
517 		i2c.y_data_reg = ddc_line;
518 	}
519 
520 	if (clk_mask && data_mask) {
521 		/* system specific masks */
522 		i2c.mask_clk_mask = clk_mask;
523 		i2c.mask_data_mask = data_mask;
524 		i2c.a_clk_mask = clk_mask;
525 		i2c.a_data_mask = data_mask;
526 		i2c.en_clk_mask = clk_mask;
527 		i2c.en_data_mask = data_mask;
528 		i2c.y_clk_mask = clk_mask;
529 		i2c.y_data_mask = data_mask;
530 	} else if ((ddc_line == RADEON_GPIOPAD_MASK) ||
531 		   (ddc_line == RADEON_MDGPIO_MASK)) {
532 		/* default gpiopad masks */
533 		i2c.mask_clk_mask = (0x20 << 8);
534 		i2c.mask_data_mask = 0x80;
535 		i2c.a_clk_mask = (0x20 << 8);
536 		i2c.a_data_mask = 0x80;
537 		i2c.en_clk_mask = (0x20 << 8);
538 		i2c.en_data_mask = 0x80;
539 		i2c.y_clk_mask = (0x20 << 8);
540 		i2c.y_data_mask = 0x80;
541 	} else {
542 		/* default masks for ddc pads */
543 		i2c.mask_clk_mask = RADEON_GPIO_MASK_1;
544 		i2c.mask_data_mask = RADEON_GPIO_MASK_0;
545 		i2c.a_clk_mask = RADEON_GPIO_A_1;
546 		i2c.a_data_mask = RADEON_GPIO_A_0;
547 		i2c.en_clk_mask = RADEON_GPIO_EN_1;
548 		i2c.en_data_mask = RADEON_GPIO_EN_0;
549 		i2c.y_clk_mask = RADEON_GPIO_Y_1;
550 		i2c.y_data_mask = RADEON_GPIO_Y_0;
551 	}
552 
553 	switch (rdev->family) {
554 	case CHIP_R100:
555 	case CHIP_RV100:
556 	case CHIP_RS100:
557 	case CHIP_RV200:
558 	case CHIP_RS200:
559 	case CHIP_RS300:
560 		switch (ddc_line) {
561 		case RADEON_GPIO_DVI_DDC:
562 			i2c.hw_capable = true;
563 			break;
564 		default:
565 			i2c.hw_capable = false;
566 			break;
567 		}
568 		break;
569 	case CHIP_R200:
570 		switch (ddc_line) {
571 		case RADEON_GPIO_DVI_DDC:
572 		case RADEON_GPIO_MONID:
573 			i2c.hw_capable = true;
574 			break;
575 		default:
576 			i2c.hw_capable = false;
577 			break;
578 		}
579 		break;
580 	case CHIP_RV250:
581 	case CHIP_RV280:
582 		switch (ddc_line) {
583 		case RADEON_GPIO_VGA_DDC:
584 		case RADEON_GPIO_DVI_DDC:
585 		case RADEON_GPIO_CRT2_DDC:
586 			i2c.hw_capable = true;
587 			break;
588 		default:
589 			i2c.hw_capable = false;
590 			break;
591 		}
592 		break;
593 	case CHIP_R300:
594 	case CHIP_R350:
595 		switch (ddc_line) {
596 		case RADEON_GPIO_VGA_DDC:
597 		case RADEON_GPIO_DVI_DDC:
598 			i2c.hw_capable = true;
599 			break;
600 		default:
601 			i2c.hw_capable = false;
602 			break;
603 		}
604 		break;
605 	case CHIP_RV350:
606 	case CHIP_RV380:
607 	case CHIP_RS400:
608 	case CHIP_RS480:
609 		switch (ddc_line) {
610 		case RADEON_GPIO_VGA_DDC:
611 		case RADEON_GPIO_DVI_DDC:
612 			i2c.hw_capable = true;
613 			break;
614 		case RADEON_GPIO_MONID:
615 			/* hw i2c on RADEON_GPIO_MONID doesn't seem to work
616 			 * reliably on some pre-r4xx hardware; not sure why.
617 			 */
618 			i2c.hw_capable = false;
619 			break;
620 		default:
621 			i2c.hw_capable = false;
622 			break;
623 		}
624 		break;
625 	default:
626 		i2c.hw_capable = false;
627 		break;
628 	}
629 	i2c.mm_i2c = false;
630 
631 	i2c.i2c_id = ddc;
632 	i2c.hpd = RADEON_HPD_NONE;
633 
634 	if (ddc_line)
635 		i2c.valid = true;
636 	else
637 		i2c.valid = false;
638 
639 	return i2c;
640 }
641 
642 static struct radeon_i2c_bus_rec radeon_combios_get_i2c_info_from_table(struct radeon_device *rdev)
643 {
644 	struct drm_device *dev = rdev->ddev;
645 	struct radeon_i2c_bus_rec i2c;
646 	u16 offset;
647 	u8 id, blocks, clk, data;
648 	int i;
649 
650 	i2c.valid = false;
651 
652 	offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE);
653 	if (offset) {
654 		blocks = RBIOS8(offset + 2);
655 		for (i = 0; i < blocks; i++) {
656 			id = RBIOS8(offset + 3 + (i * 5) + 0);
657 			if (id == 136) {
658 				clk = RBIOS8(offset + 3 + (i * 5) + 3);
659 				data = RBIOS8(offset + 3 + (i * 5) + 4);
660 				/* gpiopad */
661 				i2c = combios_setup_i2c_bus(rdev, DDC_MONID,
662 							    (1 << clk), (1 << data));
663 				break;
664 			}
665 		}
666 	}
667 	return i2c;
668 }
669 
670 void radeon_combios_i2c_init(struct radeon_device *rdev)
671 {
672 	struct drm_device *dev = rdev->ddev;
673 	struct radeon_i2c_bus_rec i2c;
674 
675 	/* actual hw pads
676 	 * r1xx/rs2xx/rs3xx
677 	 * 0x60, 0x64, 0x68, 0x6c, gpiopads, mm
678 	 * r200
679 	 * 0x60, 0x64, 0x68, mm
680 	 * r300/r350
681 	 * 0x60, 0x64, mm
682 	 * rv2xx/rv3xx/rs4xx
683 	 * 0x60, 0x64, 0x68, gpiopads, mm
684 	 */
685 
686 	/* 0x60 */
687 	i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
688 	rdev->i2c_bus[0] = radeon_i2c_create(dev, &i2c, "DVI_DDC");
689 	/* 0x64 */
690 	i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
691 	rdev->i2c_bus[1] = radeon_i2c_create(dev, &i2c, "VGA_DDC");
692 
693 	/* mm i2c */
694 	i2c.valid = true;
695 	i2c.hw_capable = true;
696 	i2c.mm_i2c = true;
697 	i2c.i2c_id = 0xa0;
698 	rdev->i2c_bus[2] = radeon_i2c_create(dev, &i2c, "MM_I2C");
699 
700 	if (rdev->family == CHIP_R300 ||
701 	    rdev->family == CHIP_R350) {
702 		/* only 2 sw i2c pads */
703 	} else if (rdev->family == CHIP_RS300 ||
704 		   rdev->family == CHIP_RS400 ||
705 		   rdev->family == CHIP_RS480) {
706 		/* 0x68 */
707 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
708 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
709 
710 		/* gpiopad */
711 		i2c = radeon_combios_get_i2c_info_from_table(rdev);
712 		if (i2c.valid)
713 			rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "GPIOPAD_MASK");
714 	} else if ((rdev->family == CHIP_R200) ||
715 		   (rdev->family >= CHIP_R300)) {
716 		/* 0x68 */
717 		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
718 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
719 	} else {
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 		/* 0x6c */
724 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
725 		rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "CRT2_DDC");
726 	}
727 }
728 
729 bool radeon_combios_get_clock_info(struct drm_device *dev)
730 {
731 	struct radeon_device *rdev = dev->dev_private;
732 	uint16_t pll_info;
733 	struct radeon_pll *p1pll = &rdev->clock.p1pll;
734 	struct radeon_pll *p2pll = &rdev->clock.p2pll;
735 	struct radeon_pll *spll = &rdev->clock.spll;
736 	struct radeon_pll *mpll = &rdev->clock.mpll;
737 	int8_t rev;
738 	uint16_t sclk, mclk;
739 
740 	pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
741 	if (pll_info) {
742 		rev = RBIOS8(pll_info);
743 
744 		/* pixel clocks */
745 		p1pll->reference_freq = RBIOS16(pll_info + 0xe);
746 		p1pll->reference_div = RBIOS16(pll_info + 0x10);
747 		p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
748 		p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
749 		p1pll->lcd_pll_out_min = p1pll->pll_out_min;
750 		p1pll->lcd_pll_out_max = p1pll->pll_out_max;
751 
752 		if (rev > 9) {
753 			p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
754 			p1pll->pll_in_max = RBIOS32(pll_info + 0x3a);
755 		} else {
756 			p1pll->pll_in_min = 40;
757 			p1pll->pll_in_max = 500;
758 		}
759 		*p2pll = *p1pll;
760 
761 		/* system clock */
762 		spll->reference_freq = RBIOS16(pll_info + 0x1a);
763 		spll->reference_div = RBIOS16(pll_info + 0x1c);
764 		spll->pll_out_min = RBIOS32(pll_info + 0x1e);
765 		spll->pll_out_max = RBIOS32(pll_info + 0x22);
766 
767 		if (rev > 10) {
768 			spll->pll_in_min = RBIOS32(pll_info + 0x48);
769 			spll->pll_in_max = RBIOS32(pll_info + 0x4c);
770 		} else {
771 			/* ??? */
772 			spll->pll_in_min = 40;
773 			spll->pll_in_max = 500;
774 		}
775 
776 		/* memory clock */
777 		mpll->reference_freq = RBIOS16(pll_info + 0x26);
778 		mpll->reference_div = RBIOS16(pll_info + 0x28);
779 		mpll->pll_out_min = RBIOS32(pll_info + 0x2a);
780 		mpll->pll_out_max = RBIOS32(pll_info + 0x2e);
781 
782 		if (rev > 10) {
783 			mpll->pll_in_min = RBIOS32(pll_info + 0x5a);
784 			mpll->pll_in_max = RBIOS32(pll_info + 0x5e);
785 		} else {
786 			/* ??? */
787 			mpll->pll_in_min = 40;
788 			mpll->pll_in_max = 500;
789 		}
790 
791 		/* default sclk/mclk */
792 		sclk = RBIOS16(pll_info + 0xa);
793 		mclk = RBIOS16(pll_info + 0x8);
794 		if (sclk == 0)
795 			sclk = 200 * 100;
796 		if (mclk == 0)
797 			mclk = 200 * 100;
798 
799 		rdev->clock.default_sclk = sclk;
800 		rdev->clock.default_mclk = mclk;
801 
802 		if (RBIOS32(pll_info + 0x16))
803 			rdev->clock.max_pixel_clock = RBIOS32(pll_info + 0x16);
804 		else
805 			rdev->clock.max_pixel_clock = 35000; /* might need something asic specific */
806 
807 		return true;
808 	}
809 	return false;
810 }
811 
812 bool radeon_combios_sideport_present(struct radeon_device *rdev)
813 {
814 	struct drm_device *dev = rdev->ddev;
815 	u16 igp_info;
816 
817 	/* sideport is AMD only */
818 	if (rdev->family == CHIP_RS400)
819 		return false;
820 
821 	igp_info = combios_get_table_offset(dev, COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE);
822 
823 	if (igp_info) {
824 		if (RBIOS16(igp_info + 0x4))
825 			return true;
826 	}
827 	return false;
828 }
829 
830 static const uint32_t default_primarydac_adj[CHIP_LAST] = {
831 	0x00000808,		/* r100  */
832 	0x00000808,		/* rv100 */
833 	0x00000808,		/* rs100 */
834 	0x00000808,		/* rv200 */
835 	0x00000808,		/* rs200 */
836 	0x00000808,		/* r200  */
837 	0x00000808,		/* rv250 */
838 	0x00000000,		/* rs300 */
839 	0x00000808,		/* rv280 */
840 	0x00000808,		/* r300  */
841 	0x00000808,		/* r350  */
842 	0x00000808,		/* rv350 */
843 	0x00000808,		/* rv380 */
844 	0x00000808,		/* r420  */
845 	0x00000808,		/* r423  */
846 	0x00000808,		/* rv410 */
847 	0x00000000,		/* rs400 */
848 	0x00000000,		/* rs480 */
849 };
850 
851 static void radeon_legacy_get_primary_dac_info_from_table(struct radeon_device *rdev,
852 							  struct radeon_encoder_primary_dac *p_dac)
853 {
854 	p_dac->ps2_pdac_adj = default_primarydac_adj[rdev->family];
855 	return;
856 }
857 
858 struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
859 								       radeon_encoder
860 								       *encoder)
861 {
862 	struct drm_device *dev = encoder->base.dev;
863 	struct radeon_device *rdev = dev->dev_private;
864 	uint16_t dac_info;
865 	uint8_t rev, bg, dac;
866 	struct radeon_encoder_primary_dac *p_dac = NULL;
867 	int found = 0;
868 
869 	p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac),
870 			GFP_KERNEL);
871 
872 	if (!p_dac)
873 		return NULL;
874 
875 	/* check CRT table */
876 	dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
877 	if (dac_info) {
878 		rev = RBIOS8(dac_info) & 0x3;
879 		if (rev < 2) {
880 			bg = RBIOS8(dac_info + 0x2) & 0xf;
881 			dac = (RBIOS8(dac_info + 0x2) >> 4) & 0xf;
882 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
883 		} else {
884 			bg = RBIOS8(dac_info + 0x2) & 0xf;
885 			dac = RBIOS8(dac_info + 0x3) & 0xf;
886 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
887 		}
888 		/* if the values are zeros, use the table */
889 		if ((dac == 0) || (bg == 0))
890 			found = 0;
891 		else
892 			found = 1;
893 	}
894 
895 	/* quirks */
896 	/* Radeon 7000 (RV100) */
897 	if (((dev->pdev->device == 0x5159) &&
898 	    (dev->pdev->subsystem_vendor == 0x174B) &&
899 	    (dev->pdev->subsystem_device == 0x7c28)) ||
900 	/* Radeon 9100 (R200) */
901 	   ((dev->pdev->device == 0x514D) &&
902 	    (dev->pdev->subsystem_vendor == 0x174B) &&
903 	    (dev->pdev->subsystem_device == 0x7149))) {
904 		/* vbios value is bad, use the default */
905 		found = 0;
906 	}
907 
908 	if (!found) /* fallback to defaults */
909 		radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac);
910 
911 	return p_dac;
912 }
913 
914 enum radeon_tv_std
915 radeon_combios_get_tv_info(struct radeon_device *rdev)
916 {
917 	struct drm_device *dev = rdev->ddev;
918 	uint16_t tv_info;
919 	enum radeon_tv_std tv_std = TV_STD_NTSC;
920 
921 	tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
922 	if (tv_info) {
923 		if (RBIOS8(tv_info + 6) == 'T') {
924 			switch (RBIOS8(tv_info + 7) & 0xf) {
925 			case 1:
926 				tv_std = TV_STD_NTSC;
927 				DRM_DEBUG_KMS("Default TV standard: NTSC\n");
928 				break;
929 			case 2:
930 				tv_std = TV_STD_PAL;
931 				DRM_DEBUG_KMS("Default TV standard: PAL\n");
932 				break;
933 			case 3:
934 				tv_std = TV_STD_PAL_M;
935 				DRM_DEBUG_KMS("Default TV standard: PAL-M\n");
936 				break;
937 			case 4:
938 				tv_std = TV_STD_PAL_60;
939 				DRM_DEBUG_KMS("Default TV standard: PAL-60\n");
940 				break;
941 			case 5:
942 				tv_std = TV_STD_NTSC_J;
943 				DRM_DEBUG_KMS("Default TV standard: NTSC-J\n");
944 				break;
945 			case 6:
946 				tv_std = TV_STD_SCART_PAL;
947 				DRM_DEBUG_KMS("Default TV standard: SCART-PAL\n");
948 				break;
949 			default:
950 				tv_std = TV_STD_NTSC;
951 				DRM_DEBUG_KMS
952 				    ("Unknown TV standard; defaulting to NTSC\n");
953 				break;
954 			}
955 
956 			switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
957 			case 0:
958 				DRM_DEBUG_KMS("29.498928713 MHz TV ref clk\n");
959 				break;
960 			case 1:
961 				DRM_DEBUG_KMS("28.636360000 MHz TV ref clk\n");
962 				break;
963 			case 2:
964 				DRM_DEBUG_KMS("14.318180000 MHz TV ref clk\n");
965 				break;
966 			case 3:
967 				DRM_DEBUG_KMS("27.000000000 MHz TV ref clk\n");
968 				break;
969 			default:
970 				break;
971 			}
972 		}
973 	}
974 	return tv_std;
975 }
976 
977 static const uint32_t default_tvdac_adj[CHIP_LAST] = {
978 	0x00000000,		/* r100  */
979 	0x00280000,		/* rv100 */
980 	0x00000000,		/* rs100 */
981 	0x00880000,		/* rv200 */
982 	0x00000000,		/* rs200 */
983 	0x00000000,		/* r200  */
984 	0x00770000,		/* rv250 */
985 	0x00290000,		/* rs300 */
986 	0x00560000,		/* rv280 */
987 	0x00780000,		/* r300  */
988 	0x00770000,		/* r350  */
989 	0x00780000,		/* rv350 */
990 	0x00780000,		/* rv380 */
991 	0x01080000,		/* r420  */
992 	0x01080000,		/* r423  */
993 	0x01080000,		/* rv410 */
994 	0x00780000,		/* rs400 */
995 	0x00780000,		/* rs480 */
996 };
997 
998 static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
999 						     struct radeon_encoder_tv_dac *tv_dac)
1000 {
1001 	tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
1002 	if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
1003 		tv_dac->ps2_tvdac_adj = 0x00880000;
1004 	tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1005 	tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1006 	return;
1007 }
1008 
1009 struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
1010 							     radeon_encoder
1011 							     *encoder)
1012 {
1013 	struct drm_device *dev = encoder->base.dev;
1014 	struct radeon_device *rdev = dev->dev_private;
1015 	uint16_t dac_info;
1016 	uint8_t rev, bg, dac;
1017 	struct radeon_encoder_tv_dac *tv_dac = NULL;
1018 	int found = 0;
1019 
1020 	tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
1021 	if (!tv_dac)
1022 		return NULL;
1023 
1024 	/* first check TV table */
1025 	dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
1026 	if (dac_info) {
1027 		rev = RBIOS8(dac_info + 0x3);
1028 		if (rev > 4) {
1029 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1030 			dac = RBIOS8(dac_info + 0xd) & 0xf;
1031 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1032 
1033 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1034 			dac = RBIOS8(dac_info + 0xf) & 0xf;
1035 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1036 
1037 			bg = RBIOS8(dac_info + 0x10) & 0xf;
1038 			dac = RBIOS8(dac_info + 0x11) & 0xf;
1039 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1040 			/* if the values are all zeros, use the table */
1041 			if (tv_dac->ps2_tvdac_adj)
1042 				found = 1;
1043 		} else if (rev > 1) {
1044 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1045 			dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
1046 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1047 
1048 			bg = RBIOS8(dac_info + 0xd) & 0xf;
1049 			dac = (RBIOS8(dac_info + 0xd) >> 4) & 0xf;
1050 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1051 
1052 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1053 			dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
1054 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1055 			/* if the values are all zeros, use the table */
1056 			if (tv_dac->ps2_tvdac_adj)
1057 				found = 1;
1058 		}
1059 		tv_dac->tv_std = radeon_combios_get_tv_info(rdev);
1060 	}
1061 	if (!found) {
1062 		/* then check CRT table */
1063 		dac_info =
1064 		    combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
1065 		if (dac_info) {
1066 			rev = RBIOS8(dac_info) & 0x3;
1067 			if (rev < 2) {
1068 				bg = RBIOS8(dac_info + 0x3) & 0xf;
1069 				dac = (RBIOS8(dac_info + 0x3) >> 4) & 0xf;
1070 				tv_dac->ps2_tvdac_adj =
1071 				    (bg << 16) | (dac << 20);
1072 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1073 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1074 				/* if the values are all zeros, use the table */
1075 				if (tv_dac->ps2_tvdac_adj)
1076 					found = 1;
1077 			} else {
1078 				bg = RBIOS8(dac_info + 0x4) & 0xf;
1079 				dac = RBIOS8(dac_info + 0x5) & 0xf;
1080 				tv_dac->ps2_tvdac_adj =
1081 				    (bg << 16) | (dac << 20);
1082 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1083 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1084 				/* if the values are all zeros, use the table */
1085 				if (tv_dac->ps2_tvdac_adj)
1086 					found = 1;
1087 			}
1088 		} else {
1089 			DRM_INFO("No TV DAC info found in BIOS\n");
1090 		}
1091 	}
1092 
1093 	if (!found) /* fallback to defaults */
1094 		radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
1095 
1096 	return tv_dac;
1097 }
1098 
1099 static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
1100 									 radeon_device
1101 									 *rdev)
1102 {
1103 	struct radeon_encoder_lvds *lvds = NULL;
1104 	uint32_t fp_vert_stretch, fp_horz_stretch;
1105 	uint32_t ppll_div_sel, ppll_val;
1106 	uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
1107 
1108 	lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1109 
1110 	if (!lvds)
1111 		return NULL;
1112 
1113 	fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH);
1114 	fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH);
1115 
1116 	/* These should be fail-safe defaults, fingers crossed */
1117 	lvds->panel_pwr_delay = 200;
1118 	lvds->panel_vcc_delay = 2000;
1119 
1120 	lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
1121 	lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf;
1122 	lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf;
1123 
1124 	if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
1125 		lvds->native_mode.vdisplay =
1126 		    ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
1127 		     RADEON_VERT_PANEL_SHIFT) + 1;
1128 	else
1129 		lvds->native_mode.vdisplay =
1130 		    (RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;
1131 
1132 	if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
1133 		lvds->native_mode.hdisplay =
1134 		    (((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
1135 		      RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
1136 	else
1137 		lvds->native_mode.hdisplay =
1138 		    ((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;
1139 
1140 	if ((lvds->native_mode.hdisplay < 640) ||
1141 	    (lvds->native_mode.vdisplay < 480)) {
1142 		lvds->native_mode.hdisplay = 640;
1143 		lvds->native_mode.vdisplay = 480;
1144 	}
1145 
1146 	ppll_div_sel = RREG8(RADEON_CLOCK_CNTL_INDEX + 1) & 0x3;
1147 	ppll_val = RREG32_PLL(RADEON_PPLL_DIV_0 + ppll_div_sel);
1148 	if ((ppll_val & 0x000707ff) == 0x1bb)
1149 		lvds->use_bios_dividers = false;
1150 	else {
1151 		lvds->panel_ref_divider =
1152 		    RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
1153 		lvds->panel_post_divider = (ppll_val >> 16) & 0x7;
1154 		lvds->panel_fb_divider = ppll_val & 0x7ff;
1155 
1156 		if ((lvds->panel_ref_divider != 0) &&
1157 		    (lvds->panel_fb_divider > 3))
1158 			lvds->use_bios_dividers = true;
1159 	}
1160 	lvds->panel_vcc_delay = 200;
1161 
1162 	DRM_INFO("Panel info derived from registers\n");
1163 	DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1164 		 lvds->native_mode.vdisplay);
1165 
1166 	return lvds;
1167 }
1168 
1169 struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
1170 							 *encoder)
1171 {
1172 	struct drm_device *dev = encoder->base.dev;
1173 	struct radeon_device *rdev = dev->dev_private;
1174 	uint16_t lcd_info;
1175 	uint32_t panel_setup;
1176 	char stmp[30];
1177 	int tmp, i;
1178 	struct radeon_encoder_lvds *lvds = NULL;
1179 
1180 	lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
1181 
1182 	if (lcd_info) {
1183 		lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1184 
1185 		if (!lvds)
1186 			return NULL;
1187 
1188 		for (i = 0; i < 24; i++)
1189 			stmp[i] = RBIOS8(lcd_info + i + 1);
1190 		stmp[24] = 0;
1191 
1192 		DRM_INFO("Panel ID String: %s\n", stmp);
1193 
1194 		lvds->native_mode.hdisplay = RBIOS16(lcd_info + 0x19);
1195 		lvds->native_mode.vdisplay = RBIOS16(lcd_info + 0x1b);
1196 
1197 		DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1198 			 lvds->native_mode.vdisplay);
1199 
1200 		lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
1201 		lvds->panel_vcc_delay = min_t(u16, lvds->panel_vcc_delay, 2000);
1202 
1203 		lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24);
1204 		lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf;
1205 		lvds->panel_blon_delay = (RBIOS16(lcd_info + 0x38) >> 4) & 0xf;
1206 
1207 		lvds->panel_ref_divider = RBIOS16(lcd_info + 0x2e);
1208 		lvds->panel_post_divider = RBIOS8(lcd_info + 0x30);
1209 		lvds->panel_fb_divider = RBIOS16(lcd_info + 0x31);
1210 		if ((lvds->panel_ref_divider != 0) &&
1211 		    (lvds->panel_fb_divider > 3))
1212 			lvds->use_bios_dividers = true;
1213 
1214 		panel_setup = RBIOS32(lcd_info + 0x39);
1215 		lvds->lvds_gen_cntl = 0xff00;
1216 		if (panel_setup & 0x1)
1217 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
1218 
1219 		if ((panel_setup >> 4) & 0x1)
1220 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
1221 
1222 		switch ((panel_setup >> 8) & 0x7) {
1223 		case 0:
1224 			lvds->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
1225 			break;
1226 		case 1:
1227 			lvds->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
1228 			break;
1229 		case 2:
1230 			lvds->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
1231 			break;
1232 		default:
1233 			break;
1234 		}
1235 
1236 		if ((panel_setup >> 16) & 0x1)
1237 			lvds->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
1238 
1239 		if ((panel_setup >> 17) & 0x1)
1240 			lvds->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
1241 
1242 		if ((panel_setup >> 18) & 0x1)
1243 			lvds->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
1244 
1245 		if ((panel_setup >> 23) & 0x1)
1246 			lvds->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
1247 
1248 		lvds->lvds_gen_cntl |= (panel_setup & 0xf0000000);
1249 
1250 		for (i = 0; i < 32; i++) {
1251 			tmp = RBIOS16(lcd_info + 64 + i * 2);
1252 			if (tmp == 0)
1253 				break;
1254 
1255 			if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
1256 			    (RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) {
1257 				u32 hss = (RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8;
1258 
1259 				if (hss > lvds->native_mode.hdisplay)
1260 					hss = (10 - 1) * 8;
1261 
1262 				lvds->native_mode.htotal = lvds->native_mode.hdisplay +
1263 					(RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8;
1264 				lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
1265 					hss;
1266 				lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
1267 					(RBIOS8(tmp + 23) * 8);
1268 
1269 				lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
1270 					(RBIOS16(tmp + 24) - RBIOS16(tmp + 26));
1271 				lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
1272 					((RBIOS16(tmp + 28) & 0x7ff) - RBIOS16(tmp + 26));
1273 				lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
1274 					((RBIOS16(tmp + 28) & 0xf800) >> 11);
1275 
1276 				lvds->native_mode.clock = RBIOS16(tmp + 9) * 10;
1277 				lvds->native_mode.flags = 0;
1278 				/* set crtc values */
1279 				drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
1280 
1281 			}
1282 		}
1283 	} else {
1284 		DRM_INFO("No panel info found in BIOS\n");
1285 		lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
1286 	}
1287 
1288 	if (lvds)
1289 		encoder->native_mode = lvds->native_mode;
1290 	return lvds;
1291 }
1292 
1293 static const struct radeon_tmds_pll default_tmds_pll[CHIP_LAST][4] = {
1294 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R100  */
1295 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV100 */
1296 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS100 */
1297 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV200 */
1298 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RS200 */
1299 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R200  */
1300 	{{15500, 0x81b}, {0xffffffff, 0x83f}, {0, 0}, {0, 0}},	/* CHIP_RV250 */
1301 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS300 */
1302 	{{13000, 0x400f4}, {15000, 0x400f7}, {0xffffffff, 0x40111}, {0, 0}},	/* CHIP_RV280 */
1303 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R300  */
1304 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R350  */
1305 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV350 */
1306 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV380 */
1307 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R420  */
1308 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R423  */
1309 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RV410 */
1310 	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS400 */
1311 	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS480 */
1312 };
1313 
1314 bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
1315 					    struct radeon_encoder_int_tmds *tmds)
1316 {
1317 	struct drm_device *dev = encoder->base.dev;
1318 	struct radeon_device *rdev = dev->dev_private;
1319 	int i;
1320 
1321 	for (i = 0; i < 4; i++) {
1322 		tmds->tmds_pll[i].value =
1323 			default_tmds_pll[rdev->family][i].value;
1324 		tmds->tmds_pll[i].freq = default_tmds_pll[rdev->family][i].freq;
1325 	}
1326 
1327 	return true;
1328 }
1329 
1330 bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
1331 					      struct radeon_encoder_int_tmds *tmds)
1332 {
1333 	struct drm_device *dev = encoder->base.dev;
1334 	struct radeon_device *rdev = dev->dev_private;
1335 	uint16_t tmds_info;
1336 	int i, n;
1337 	uint8_t ver;
1338 
1339 	tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1340 
1341 	if (tmds_info) {
1342 		ver = RBIOS8(tmds_info);
1343 		DRM_DEBUG_KMS("DFP table revision: %d\n", ver);
1344 		if (ver == 3) {
1345 			n = RBIOS8(tmds_info + 5) + 1;
1346 			if (n > 4)
1347 				n = 4;
1348 			for (i = 0; i < n; i++) {
1349 				tmds->tmds_pll[i].value =
1350 				    RBIOS32(tmds_info + i * 10 + 0x08);
1351 				tmds->tmds_pll[i].freq =
1352 				    RBIOS16(tmds_info + i * 10 + 0x10);
1353 				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1354 					  tmds->tmds_pll[i].freq,
1355 					  tmds->tmds_pll[i].value);
1356 			}
1357 		} else if (ver == 4) {
1358 			int stride = 0;
1359 			n = RBIOS8(tmds_info + 5) + 1;
1360 			if (n > 4)
1361 				n = 4;
1362 			for (i = 0; i < n; i++) {
1363 				tmds->tmds_pll[i].value =
1364 				    RBIOS32(tmds_info + stride + 0x08);
1365 				tmds->tmds_pll[i].freq =
1366 				    RBIOS16(tmds_info + stride + 0x10);
1367 				if (i == 0)
1368 					stride += 10;
1369 				else
1370 					stride += 6;
1371 				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1372 					  tmds->tmds_pll[i].freq,
1373 					  tmds->tmds_pll[i].value);
1374 			}
1375 		}
1376 	} else {
1377 		DRM_INFO("No TMDS info found in BIOS\n");
1378 		return false;
1379 	}
1380 	return true;
1381 }
1382 
1383 bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
1384 						struct radeon_encoder_ext_tmds *tmds)
1385 {
1386 	struct drm_device *dev = encoder->base.dev;
1387 	struct radeon_device *rdev = dev->dev_private;
1388 	struct radeon_i2c_bus_rec i2c_bus;
1389 
1390 	/* default for macs */
1391 	i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1392 	tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1393 
1394 	/* XXX some macs have duallink chips */
1395 	switch (rdev->mode_info.connector_table) {
1396 	case CT_POWERBOOK_EXTERNAL:
1397 	case CT_MINI_EXTERNAL:
1398 	default:
1399 		tmds->dvo_chip = DVO_SIL164;
1400 		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1401 		break;
1402 	}
1403 
1404 	return true;
1405 }
1406 
1407 bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
1408 						  struct radeon_encoder_ext_tmds *tmds)
1409 {
1410 	struct drm_device *dev = encoder->base.dev;
1411 	struct radeon_device *rdev = dev->dev_private;
1412 	uint16_t offset;
1413 	uint8_t ver;
1414 	enum radeon_combios_ddc gpio;
1415 	struct radeon_i2c_bus_rec i2c_bus;
1416 
1417 	tmds->i2c_bus = NULL;
1418 	if (rdev->flags & RADEON_IS_IGP) {
1419 		i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1420 		tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1421 		tmds->dvo_chip = DVO_SIL164;
1422 		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1423 	} else {
1424 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
1425 		if (offset) {
1426 			ver = RBIOS8(offset);
1427 			DRM_DEBUG_KMS("External TMDS Table revision: %d\n", ver);
1428 			tmds->slave_addr = RBIOS8(offset + 4 + 2);
1429 			tmds->slave_addr >>= 1; /* 7 bit addressing */
1430 			gpio = RBIOS8(offset + 4 + 3);
1431 			if (gpio == DDC_LCD) {
1432 				/* MM i2c */
1433 				i2c_bus.valid = true;
1434 				i2c_bus.hw_capable = true;
1435 				i2c_bus.mm_i2c = true;
1436 				i2c_bus.i2c_id = 0xa0;
1437 			} else
1438 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
1439 			tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1440 		}
1441 	}
1442 
1443 	if (!tmds->i2c_bus) {
1444 		DRM_INFO("No valid Ext TMDS info found in BIOS\n");
1445 		return false;
1446 	}
1447 
1448 	return true;
1449 }
1450 
1451 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
1452 {
1453 	struct radeon_device *rdev = dev->dev_private;
1454 	struct radeon_i2c_bus_rec ddc_i2c;
1455 	struct radeon_hpd hpd;
1456 
1457 	rdev->mode_info.connector_table = radeon_connector_table;
1458 	if (rdev->mode_info.connector_table == CT_NONE) {
1459 #ifdef CONFIG_PPC_PMAC
1460 		if (of_machine_is_compatible("PowerBook3,3")) {
1461 			/* powerbook with VGA */
1462 			rdev->mode_info.connector_table = CT_POWERBOOK_VGA;
1463 		} else if (of_machine_is_compatible("PowerBook3,4") ||
1464 			   of_machine_is_compatible("PowerBook3,5")) {
1465 			/* powerbook with internal tmds */
1466 			rdev->mode_info.connector_table = CT_POWERBOOK_INTERNAL;
1467 		} else if (of_machine_is_compatible("PowerBook5,1") ||
1468 			   of_machine_is_compatible("PowerBook5,2") ||
1469 			   of_machine_is_compatible("PowerBook5,3") ||
1470 			   of_machine_is_compatible("PowerBook5,4") ||
1471 			   of_machine_is_compatible("PowerBook5,5")) {
1472 			/* powerbook with external single link tmds (sil164) */
1473 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1474 		} else if (of_machine_is_compatible("PowerBook5,6")) {
1475 			/* powerbook with external dual or single link tmds */
1476 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1477 		} else if (of_machine_is_compatible("PowerBook5,7") ||
1478 			   of_machine_is_compatible("PowerBook5,8") ||
1479 			   of_machine_is_compatible("PowerBook5,9")) {
1480 			/* PowerBook6,2 ? */
1481 			/* powerbook with external dual link tmds (sil1178?) */
1482 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1483 		} else if (of_machine_is_compatible("PowerBook4,1") ||
1484 			   of_machine_is_compatible("PowerBook4,2") ||
1485 			   of_machine_is_compatible("PowerBook4,3") ||
1486 			   of_machine_is_compatible("PowerBook6,3") ||
1487 			   of_machine_is_compatible("PowerBook6,5") ||
1488 			   of_machine_is_compatible("PowerBook6,7")) {
1489 			/* ibook */
1490 			rdev->mode_info.connector_table = CT_IBOOK;
1491 		} else if (of_machine_is_compatible("PowerMac3,5")) {
1492 			/* PowerMac G4 Silver radeon 7500 */
1493 			rdev->mode_info.connector_table = CT_MAC_G4_SILVER;
1494 		} else if (of_machine_is_compatible("PowerMac4,4")) {
1495 			/* emac */
1496 			rdev->mode_info.connector_table = CT_EMAC;
1497 		} else if (of_machine_is_compatible("PowerMac10,1")) {
1498 			/* mini with internal tmds */
1499 			rdev->mode_info.connector_table = CT_MINI_INTERNAL;
1500 		} else if (of_machine_is_compatible("PowerMac10,2")) {
1501 			/* mini with external tmds */
1502 			rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
1503 		} else if (of_machine_is_compatible("PowerMac12,1")) {
1504 			/* PowerMac8,1 ? */
1505 			/* imac g5 isight */
1506 			rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
1507 		} else if ((rdev->pdev->device == 0x4a48) &&
1508 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1509 			   (rdev->pdev->subsystem_device == 0x4a48)) {
1510 			/* Mac X800 */
1511 			rdev->mode_info.connector_table = CT_MAC_X800;
1512 		} else if ((of_machine_is_compatible("PowerMac7,2") ||
1513 			    of_machine_is_compatible("PowerMac7,3")) &&
1514 			   (rdev->pdev->device == 0x4150) &&
1515 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1516 			   (rdev->pdev->subsystem_device == 0x4150)) {
1517 			/* Mac G5 tower 9600 */
1518 			rdev->mode_info.connector_table = CT_MAC_G5_9600;
1519 		} else if ((rdev->pdev->device == 0x4c66) &&
1520 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1521 			   (rdev->pdev->subsystem_device == 0x4c66)) {
1522 			/* SAM440ep RV250 embedded board */
1523 			rdev->mode_info.connector_table = CT_SAM440EP;
1524 		} else
1525 #endif /* CONFIG_PPC_PMAC */
1526 #ifdef CONFIG_PPC64
1527 		if (ASIC_IS_RN50(rdev))
1528 			rdev->mode_info.connector_table = CT_RN50_POWER;
1529 		else
1530 #endif
1531 			rdev->mode_info.connector_table = CT_GENERIC;
1532 	}
1533 
1534 	switch (rdev->mode_info.connector_table) {
1535 	case CT_GENERIC:
1536 		DRM_INFO("Connector Table: %d (generic)\n",
1537 			 rdev->mode_info.connector_table);
1538 		/* these are the most common settings */
1539 		if (rdev->flags & RADEON_SINGLE_CRTC) {
1540 			/* VGA - primary dac */
1541 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1542 			hpd.hpd = RADEON_HPD_NONE;
1543 			radeon_add_legacy_encoder(dev,
1544 						  radeon_get_encoder_enum(dev,
1545 									ATOM_DEVICE_CRT1_SUPPORT,
1546 									1),
1547 						  ATOM_DEVICE_CRT1_SUPPORT);
1548 			radeon_add_legacy_connector(dev, 0,
1549 						    ATOM_DEVICE_CRT1_SUPPORT,
1550 						    DRM_MODE_CONNECTOR_VGA,
1551 						    &ddc_i2c,
1552 						    CONNECTOR_OBJECT_ID_VGA,
1553 						    &hpd);
1554 		} else if (rdev->flags & RADEON_IS_MOBILITY) {
1555 			/* LVDS */
1556 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
1557 			hpd.hpd = RADEON_HPD_NONE;
1558 			radeon_add_legacy_encoder(dev,
1559 						  radeon_get_encoder_enum(dev,
1560 									ATOM_DEVICE_LCD1_SUPPORT,
1561 									0),
1562 						  ATOM_DEVICE_LCD1_SUPPORT);
1563 			radeon_add_legacy_connector(dev, 0,
1564 						    ATOM_DEVICE_LCD1_SUPPORT,
1565 						    DRM_MODE_CONNECTOR_LVDS,
1566 						    &ddc_i2c,
1567 						    CONNECTOR_OBJECT_ID_LVDS,
1568 						    &hpd);
1569 
1570 			/* VGA - primary dac */
1571 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1572 			hpd.hpd = RADEON_HPD_NONE;
1573 			radeon_add_legacy_encoder(dev,
1574 						  radeon_get_encoder_enum(dev,
1575 									ATOM_DEVICE_CRT1_SUPPORT,
1576 									1),
1577 						  ATOM_DEVICE_CRT1_SUPPORT);
1578 			radeon_add_legacy_connector(dev, 1,
1579 						    ATOM_DEVICE_CRT1_SUPPORT,
1580 						    DRM_MODE_CONNECTOR_VGA,
1581 						    &ddc_i2c,
1582 						    CONNECTOR_OBJECT_ID_VGA,
1583 						    &hpd);
1584 		} else {
1585 			/* DVI-I - tv dac, int tmds */
1586 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1587 			hpd.hpd = RADEON_HPD_1;
1588 			radeon_add_legacy_encoder(dev,
1589 						  radeon_get_encoder_enum(dev,
1590 									ATOM_DEVICE_DFP1_SUPPORT,
1591 									0),
1592 						  ATOM_DEVICE_DFP1_SUPPORT);
1593 			radeon_add_legacy_encoder(dev,
1594 						  radeon_get_encoder_enum(dev,
1595 									ATOM_DEVICE_CRT2_SUPPORT,
1596 									2),
1597 						  ATOM_DEVICE_CRT2_SUPPORT);
1598 			radeon_add_legacy_connector(dev, 0,
1599 						    ATOM_DEVICE_DFP1_SUPPORT |
1600 						    ATOM_DEVICE_CRT2_SUPPORT,
1601 						    DRM_MODE_CONNECTOR_DVII,
1602 						    &ddc_i2c,
1603 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1604 						    &hpd);
1605 
1606 			/* VGA - primary dac */
1607 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1608 			hpd.hpd = RADEON_HPD_NONE;
1609 			radeon_add_legacy_encoder(dev,
1610 						  radeon_get_encoder_enum(dev,
1611 									ATOM_DEVICE_CRT1_SUPPORT,
1612 									1),
1613 						  ATOM_DEVICE_CRT1_SUPPORT);
1614 			radeon_add_legacy_connector(dev, 1,
1615 						    ATOM_DEVICE_CRT1_SUPPORT,
1616 						    DRM_MODE_CONNECTOR_VGA,
1617 						    &ddc_i2c,
1618 						    CONNECTOR_OBJECT_ID_VGA,
1619 						    &hpd);
1620 		}
1621 
1622 		if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1623 			/* TV - tv dac */
1624 			ddc_i2c.valid = false;
1625 			hpd.hpd = RADEON_HPD_NONE;
1626 			radeon_add_legacy_encoder(dev,
1627 						  radeon_get_encoder_enum(dev,
1628 									ATOM_DEVICE_TV1_SUPPORT,
1629 									2),
1630 						  ATOM_DEVICE_TV1_SUPPORT);
1631 			radeon_add_legacy_connector(dev, 2,
1632 						    ATOM_DEVICE_TV1_SUPPORT,
1633 						    DRM_MODE_CONNECTOR_SVIDEO,
1634 						    &ddc_i2c,
1635 						    CONNECTOR_OBJECT_ID_SVIDEO,
1636 						    &hpd);
1637 		}
1638 		break;
1639 	case CT_IBOOK:
1640 		DRM_INFO("Connector Table: %d (ibook)\n",
1641 			 rdev->mode_info.connector_table);
1642 		/* LVDS */
1643 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1644 		hpd.hpd = RADEON_HPD_NONE;
1645 		radeon_add_legacy_encoder(dev,
1646 					  radeon_get_encoder_enum(dev,
1647 								ATOM_DEVICE_LCD1_SUPPORT,
1648 								0),
1649 					  ATOM_DEVICE_LCD1_SUPPORT);
1650 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1651 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1652 					    CONNECTOR_OBJECT_ID_LVDS,
1653 					    &hpd);
1654 		/* VGA - TV DAC */
1655 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1656 		hpd.hpd = RADEON_HPD_NONE;
1657 		radeon_add_legacy_encoder(dev,
1658 					  radeon_get_encoder_enum(dev,
1659 								ATOM_DEVICE_CRT2_SUPPORT,
1660 								2),
1661 					  ATOM_DEVICE_CRT2_SUPPORT);
1662 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1663 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1664 					    CONNECTOR_OBJECT_ID_VGA,
1665 					    &hpd);
1666 		/* TV - TV DAC */
1667 		ddc_i2c.valid = false;
1668 		hpd.hpd = RADEON_HPD_NONE;
1669 		radeon_add_legacy_encoder(dev,
1670 					  radeon_get_encoder_enum(dev,
1671 								ATOM_DEVICE_TV1_SUPPORT,
1672 								2),
1673 					  ATOM_DEVICE_TV1_SUPPORT);
1674 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1675 					    DRM_MODE_CONNECTOR_SVIDEO,
1676 					    &ddc_i2c,
1677 					    CONNECTOR_OBJECT_ID_SVIDEO,
1678 					    &hpd);
1679 		break;
1680 	case CT_POWERBOOK_EXTERNAL:
1681 		DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
1682 			 rdev->mode_info.connector_table);
1683 		/* LVDS */
1684 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1685 		hpd.hpd = RADEON_HPD_NONE;
1686 		radeon_add_legacy_encoder(dev,
1687 					  radeon_get_encoder_enum(dev,
1688 								ATOM_DEVICE_LCD1_SUPPORT,
1689 								0),
1690 					  ATOM_DEVICE_LCD1_SUPPORT);
1691 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1692 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1693 					    CONNECTOR_OBJECT_ID_LVDS,
1694 					    &hpd);
1695 		/* DVI-I - primary dac, ext tmds */
1696 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1697 		hpd.hpd = RADEON_HPD_2; /* ??? */
1698 		radeon_add_legacy_encoder(dev,
1699 					  radeon_get_encoder_enum(dev,
1700 								ATOM_DEVICE_DFP2_SUPPORT,
1701 								0),
1702 					  ATOM_DEVICE_DFP2_SUPPORT);
1703 		radeon_add_legacy_encoder(dev,
1704 					  radeon_get_encoder_enum(dev,
1705 								ATOM_DEVICE_CRT1_SUPPORT,
1706 								1),
1707 					  ATOM_DEVICE_CRT1_SUPPORT);
1708 		/* XXX some are SL */
1709 		radeon_add_legacy_connector(dev, 1,
1710 					    ATOM_DEVICE_DFP2_SUPPORT |
1711 					    ATOM_DEVICE_CRT1_SUPPORT,
1712 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1713 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
1714 					    &hpd);
1715 		/* TV - TV DAC */
1716 		ddc_i2c.valid = false;
1717 		hpd.hpd = RADEON_HPD_NONE;
1718 		radeon_add_legacy_encoder(dev,
1719 					  radeon_get_encoder_enum(dev,
1720 								ATOM_DEVICE_TV1_SUPPORT,
1721 								2),
1722 					  ATOM_DEVICE_TV1_SUPPORT);
1723 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1724 					    DRM_MODE_CONNECTOR_SVIDEO,
1725 					    &ddc_i2c,
1726 					    CONNECTOR_OBJECT_ID_SVIDEO,
1727 					    &hpd);
1728 		break;
1729 	case CT_POWERBOOK_INTERNAL:
1730 		DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
1731 			 rdev->mode_info.connector_table);
1732 		/* LVDS */
1733 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1734 		hpd.hpd = RADEON_HPD_NONE;
1735 		radeon_add_legacy_encoder(dev,
1736 					  radeon_get_encoder_enum(dev,
1737 								ATOM_DEVICE_LCD1_SUPPORT,
1738 								0),
1739 					  ATOM_DEVICE_LCD1_SUPPORT);
1740 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1741 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1742 					    CONNECTOR_OBJECT_ID_LVDS,
1743 					    &hpd);
1744 		/* DVI-I - primary dac, int tmds */
1745 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1746 		hpd.hpd = RADEON_HPD_1; /* ??? */
1747 		radeon_add_legacy_encoder(dev,
1748 					  radeon_get_encoder_enum(dev,
1749 								ATOM_DEVICE_DFP1_SUPPORT,
1750 								0),
1751 					  ATOM_DEVICE_DFP1_SUPPORT);
1752 		radeon_add_legacy_encoder(dev,
1753 					  radeon_get_encoder_enum(dev,
1754 								ATOM_DEVICE_CRT1_SUPPORT,
1755 								1),
1756 					  ATOM_DEVICE_CRT1_SUPPORT);
1757 		radeon_add_legacy_connector(dev, 1,
1758 					    ATOM_DEVICE_DFP1_SUPPORT |
1759 					    ATOM_DEVICE_CRT1_SUPPORT,
1760 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1761 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1762 					    &hpd);
1763 		/* TV - TV DAC */
1764 		ddc_i2c.valid = false;
1765 		hpd.hpd = RADEON_HPD_NONE;
1766 		radeon_add_legacy_encoder(dev,
1767 					  radeon_get_encoder_enum(dev,
1768 								ATOM_DEVICE_TV1_SUPPORT,
1769 								2),
1770 					  ATOM_DEVICE_TV1_SUPPORT);
1771 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1772 					    DRM_MODE_CONNECTOR_SVIDEO,
1773 					    &ddc_i2c,
1774 					    CONNECTOR_OBJECT_ID_SVIDEO,
1775 					    &hpd);
1776 		break;
1777 	case CT_POWERBOOK_VGA:
1778 		DRM_INFO("Connector Table: %d (powerbook vga)\n",
1779 			 rdev->mode_info.connector_table);
1780 		/* LVDS */
1781 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1782 		hpd.hpd = RADEON_HPD_NONE;
1783 		radeon_add_legacy_encoder(dev,
1784 					  radeon_get_encoder_enum(dev,
1785 								ATOM_DEVICE_LCD1_SUPPORT,
1786 								0),
1787 					  ATOM_DEVICE_LCD1_SUPPORT);
1788 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1789 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1790 					    CONNECTOR_OBJECT_ID_LVDS,
1791 					    &hpd);
1792 		/* VGA - primary dac */
1793 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1794 		hpd.hpd = RADEON_HPD_NONE;
1795 		radeon_add_legacy_encoder(dev,
1796 					  radeon_get_encoder_enum(dev,
1797 								ATOM_DEVICE_CRT1_SUPPORT,
1798 								1),
1799 					  ATOM_DEVICE_CRT1_SUPPORT);
1800 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
1801 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1802 					    CONNECTOR_OBJECT_ID_VGA,
1803 					    &hpd);
1804 		/* TV - TV DAC */
1805 		ddc_i2c.valid = false;
1806 		hpd.hpd = RADEON_HPD_NONE;
1807 		radeon_add_legacy_encoder(dev,
1808 					  radeon_get_encoder_enum(dev,
1809 								ATOM_DEVICE_TV1_SUPPORT,
1810 								2),
1811 					  ATOM_DEVICE_TV1_SUPPORT);
1812 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1813 					    DRM_MODE_CONNECTOR_SVIDEO,
1814 					    &ddc_i2c,
1815 					    CONNECTOR_OBJECT_ID_SVIDEO,
1816 					    &hpd);
1817 		break;
1818 	case CT_MINI_EXTERNAL:
1819 		DRM_INFO("Connector Table: %d (mini external tmds)\n",
1820 			 rdev->mode_info.connector_table);
1821 		/* DVI-I - tv dac, ext tmds */
1822 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1823 		hpd.hpd = RADEON_HPD_2; /* ??? */
1824 		radeon_add_legacy_encoder(dev,
1825 					  radeon_get_encoder_enum(dev,
1826 								ATOM_DEVICE_DFP2_SUPPORT,
1827 								0),
1828 					  ATOM_DEVICE_DFP2_SUPPORT);
1829 		radeon_add_legacy_encoder(dev,
1830 					  radeon_get_encoder_enum(dev,
1831 								ATOM_DEVICE_CRT2_SUPPORT,
1832 								2),
1833 					  ATOM_DEVICE_CRT2_SUPPORT);
1834 		/* XXX are any DL? */
1835 		radeon_add_legacy_connector(dev, 0,
1836 					    ATOM_DEVICE_DFP2_SUPPORT |
1837 					    ATOM_DEVICE_CRT2_SUPPORT,
1838 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1839 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1840 					    &hpd);
1841 		/* TV - TV DAC */
1842 		ddc_i2c.valid = false;
1843 		hpd.hpd = RADEON_HPD_NONE;
1844 		radeon_add_legacy_encoder(dev,
1845 					  radeon_get_encoder_enum(dev,
1846 								ATOM_DEVICE_TV1_SUPPORT,
1847 								2),
1848 					  ATOM_DEVICE_TV1_SUPPORT);
1849 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1850 					    DRM_MODE_CONNECTOR_SVIDEO,
1851 					    &ddc_i2c,
1852 					    CONNECTOR_OBJECT_ID_SVIDEO,
1853 					    &hpd);
1854 		break;
1855 	case CT_MINI_INTERNAL:
1856 		DRM_INFO("Connector Table: %d (mini internal tmds)\n",
1857 			 rdev->mode_info.connector_table);
1858 		/* DVI-I - tv dac, int tmds */
1859 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1860 		hpd.hpd = RADEON_HPD_1; /* ??? */
1861 		radeon_add_legacy_encoder(dev,
1862 					  radeon_get_encoder_enum(dev,
1863 								ATOM_DEVICE_DFP1_SUPPORT,
1864 								0),
1865 					  ATOM_DEVICE_DFP1_SUPPORT);
1866 		radeon_add_legacy_encoder(dev,
1867 					  radeon_get_encoder_enum(dev,
1868 								ATOM_DEVICE_CRT2_SUPPORT,
1869 								2),
1870 					  ATOM_DEVICE_CRT2_SUPPORT);
1871 		radeon_add_legacy_connector(dev, 0,
1872 					    ATOM_DEVICE_DFP1_SUPPORT |
1873 					    ATOM_DEVICE_CRT2_SUPPORT,
1874 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1875 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1876 					    &hpd);
1877 		/* TV - TV DAC */
1878 		ddc_i2c.valid = false;
1879 		hpd.hpd = RADEON_HPD_NONE;
1880 		radeon_add_legacy_encoder(dev,
1881 					  radeon_get_encoder_enum(dev,
1882 								ATOM_DEVICE_TV1_SUPPORT,
1883 								2),
1884 					  ATOM_DEVICE_TV1_SUPPORT);
1885 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1886 					    DRM_MODE_CONNECTOR_SVIDEO,
1887 					    &ddc_i2c,
1888 					    CONNECTOR_OBJECT_ID_SVIDEO,
1889 					    &hpd);
1890 		break;
1891 	case CT_IMAC_G5_ISIGHT:
1892 		DRM_INFO("Connector Table: %d (imac g5 isight)\n",
1893 			 rdev->mode_info.connector_table);
1894 		/* DVI-D - int tmds */
1895 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1896 		hpd.hpd = RADEON_HPD_1; /* ??? */
1897 		radeon_add_legacy_encoder(dev,
1898 					  radeon_get_encoder_enum(dev,
1899 								ATOM_DEVICE_DFP1_SUPPORT,
1900 								0),
1901 					  ATOM_DEVICE_DFP1_SUPPORT);
1902 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
1903 					    DRM_MODE_CONNECTOR_DVID, &ddc_i2c,
1904 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
1905 					    &hpd);
1906 		/* VGA - tv dac */
1907 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1908 		hpd.hpd = RADEON_HPD_NONE;
1909 		radeon_add_legacy_encoder(dev,
1910 					  radeon_get_encoder_enum(dev,
1911 								ATOM_DEVICE_CRT2_SUPPORT,
1912 								2),
1913 					  ATOM_DEVICE_CRT2_SUPPORT);
1914 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1915 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1916 					    CONNECTOR_OBJECT_ID_VGA,
1917 					    &hpd);
1918 		/* TV - TV DAC */
1919 		ddc_i2c.valid = false;
1920 		hpd.hpd = RADEON_HPD_NONE;
1921 		radeon_add_legacy_encoder(dev,
1922 					  radeon_get_encoder_enum(dev,
1923 								ATOM_DEVICE_TV1_SUPPORT,
1924 								2),
1925 					  ATOM_DEVICE_TV1_SUPPORT);
1926 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1927 					    DRM_MODE_CONNECTOR_SVIDEO,
1928 					    &ddc_i2c,
1929 					    CONNECTOR_OBJECT_ID_SVIDEO,
1930 					    &hpd);
1931 		break;
1932 	case CT_EMAC:
1933 		DRM_INFO("Connector Table: %d (emac)\n",
1934 			 rdev->mode_info.connector_table);
1935 		/* VGA - primary dac */
1936 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1937 		hpd.hpd = RADEON_HPD_NONE;
1938 		radeon_add_legacy_encoder(dev,
1939 					  radeon_get_encoder_enum(dev,
1940 								ATOM_DEVICE_CRT1_SUPPORT,
1941 								1),
1942 					  ATOM_DEVICE_CRT1_SUPPORT);
1943 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1944 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1945 					    CONNECTOR_OBJECT_ID_VGA,
1946 					    &hpd);
1947 		/* VGA - tv dac */
1948 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1949 		hpd.hpd = RADEON_HPD_NONE;
1950 		radeon_add_legacy_encoder(dev,
1951 					  radeon_get_encoder_enum(dev,
1952 								ATOM_DEVICE_CRT2_SUPPORT,
1953 								2),
1954 					  ATOM_DEVICE_CRT2_SUPPORT);
1955 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1956 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1957 					    CONNECTOR_OBJECT_ID_VGA,
1958 					    &hpd);
1959 		/* TV - TV DAC */
1960 		ddc_i2c.valid = false;
1961 		hpd.hpd = RADEON_HPD_NONE;
1962 		radeon_add_legacy_encoder(dev,
1963 					  radeon_get_encoder_enum(dev,
1964 								ATOM_DEVICE_TV1_SUPPORT,
1965 								2),
1966 					  ATOM_DEVICE_TV1_SUPPORT);
1967 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1968 					    DRM_MODE_CONNECTOR_SVIDEO,
1969 					    &ddc_i2c,
1970 					    CONNECTOR_OBJECT_ID_SVIDEO,
1971 					    &hpd);
1972 		break;
1973 	case CT_RN50_POWER:
1974 		DRM_INFO("Connector Table: %d (rn50-power)\n",
1975 			 rdev->mode_info.connector_table);
1976 		/* VGA - primary dac */
1977 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1978 		hpd.hpd = RADEON_HPD_NONE;
1979 		radeon_add_legacy_encoder(dev,
1980 					  radeon_get_encoder_enum(dev,
1981 								ATOM_DEVICE_CRT1_SUPPORT,
1982 								1),
1983 					  ATOM_DEVICE_CRT1_SUPPORT);
1984 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1985 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1986 					    CONNECTOR_OBJECT_ID_VGA,
1987 					    &hpd);
1988 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1989 		hpd.hpd = RADEON_HPD_NONE;
1990 		radeon_add_legacy_encoder(dev,
1991 					  radeon_get_encoder_enum(dev,
1992 								ATOM_DEVICE_CRT2_SUPPORT,
1993 								2),
1994 					  ATOM_DEVICE_CRT2_SUPPORT);
1995 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1996 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1997 					    CONNECTOR_OBJECT_ID_VGA,
1998 					    &hpd);
1999 		break;
2000 	case CT_MAC_X800:
2001 		DRM_INFO("Connector Table: %d (mac x800)\n",
2002 			 rdev->mode_info.connector_table);
2003 		/* DVI - primary dac, internal tmds */
2004 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2005 		hpd.hpd = RADEON_HPD_1; /* ??? */
2006 		radeon_add_legacy_encoder(dev,
2007 					  radeon_get_encoder_enum(dev,
2008 								  ATOM_DEVICE_DFP1_SUPPORT,
2009 								  0),
2010 					  ATOM_DEVICE_DFP1_SUPPORT);
2011 		radeon_add_legacy_encoder(dev,
2012 					  radeon_get_encoder_enum(dev,
2013 								  ATOM_DEVICE_CRT1_SUPPORT,
2014 								  1),
2015 					  ATOM_DEVICE_CRT1_SUPPORT);
2016 		radeon_add_legacy_connector(dev, 0,
2017 					    ATOM_DEVICE_DFP1_SUPPORT |
2018 					    ATOM_DEVICE_CRT1_SUPPORT,
2019 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2020 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2021 					    &hpd);
2022 		/* DVI - tv dac, dvo */
2023 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2024 		hpd.hpd = RADEON_HPD_2; /* ??? */
2025 		radeon_add_legacy_encoder(dev,
2026 					  radeon_get_encoder_enum(dev,
2027 								  ATOM_DEVICE_DFP2_SUPPORT,
2028 								  0),
2029 					  ATOM_DEVICE_DFP2_SUPPORT);
2030 		radeon_add_legacy_encoder(dev,
2031 					  radeon_get_encoder_enum(dev,
2032 								  ATOM_DEVICE_CRT2_SUPPORT,
2033 								  2),
2034 					  ATOM_DEVICE_CRT2_SUPPORT);
2035 		radeon_add_legacy_connector(dev, 1,
2036 					    ATOM_DEVICE_DFP2_SUPPORT |
2037 					    ATOM_DEVICE_CRT2_SUPPORT,
2038 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2039 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
2040 					    &hpd);
2041 		break;
2042 	case CT_MAC_G5_9600:
2043 		DRM_INFO("Connector Table: %d (mac g5 9600)\n",
2044 			 rdev->mode_info.connector_table);
2045 		/* DVI - tv dac, dvo */
2046 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2047 		hpd.hpd = RADEON_HPD_1; /* ??? */
2048 		radeon_add_legacy_encoder(dev,
2049 					  radeon_get_encoder_enum(dev,
2050 								  ATOM_DEVICE_DFP2_SUPPORT,
2051 								  0),
2052 					  ATOM_DEVICE_DFP2_SUPPORT);
2053 		radeon_add_legacy_encoder(dev,
2054 					  radeon_get_encoder_enum(dev,
2055 								  ATOM_DEVICE_CRT2_SUPPORT,
2056 								  2),
2057 					  ATOM_DEVICE_CRT2_SUPPORT);
2058 		radeon_add_legacy_connector(dev, 0,
2059 					    ATOM_DEVICE_DFP2_SUPPORT |
2060 					    ATOM_DEVICE_CRT2_SUPPORT,
2061 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2062 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2063 					    &hpd);
2064 		/* ADC - primary dac, internal tmds */
2065 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2066 		hpd.hpd = RADEON_HPD_2; /* ??? */
2067 		radeon_add_legacy_encoder(dev,
2068 					  radeon_get_encoder_enum(dev,
2069 								  ATOM_DEVICE_DFP1_SUPPORT,
2070 								  0),
2071 					  ATOM_DEVICE_DFP1_SUPPORT);
2072 		radeon_add_legacy_encoder(dev,
2073 					  radeon_get_encoder_enum(dev,
2074 								  ATOM_DEVICE_CRT1_SUPPORT,
2075 								  1),
2076 					  ATOM_DEVICE_CRT1_SUPPORT);
2077 		radeon_add_legacy_connector(dev, 1,
2078 					    ATOM_DEVICE_DFP1_SUPPORT |
2079 					    ATOM_DEVICE_CRT1_SUPPORT,
2080 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2081 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2082 					    &hpd);
2083 		/* TV - TV DAC */
2084 		ddc_i2c.valid = false;
2085 		hpd.hpd = RADEON_HPD_NONE;
2086 		radeon_add_legacy_encoder(dev,
2087 					  radeon_get_encoder_enum(dev,
2088 								ATOM_DEVICE_TV1_SUPPORT,
2089 								2),
2090 					  ATOM_DEVICE_TV1_SUPPORT);
2091 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2092 					    DRM_MODE_CONNECTOR_SVIDEO,
2093 					    &ddc_i2c,
2094 					    CONNECTOR_OBJECT_ID_SVIDEO,
2095 					    &hpd);
2096 		break;
2097 	case CT_SAM440EP:
2098 		DRM_INFO("Connector Table: %d (SAM440ep embedded board)\n",
2099 			 rdev->mode_info.connector_table);
2100 		/* LVDS */
2101 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
2102 		hpd.hpd = RADEON_HPD_NONE;
2103 		radeon_add_legacy_encoder(dev,
2104 					  radeon_get_encoder_enum(dev,
2105 								ATOM_DEVICE_LCD1_SUPPORT,
2106 								0),
2107 					  ATOM_DEVICE_LCD1_SUPPORT);
2108 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
2109 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
2110 					    CONNECTOR_OBJECT_ID_LVDS,
2111 					    &hpd);
2112 		/* DVI-I - secondary dac, int tmds */
2113 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2114 		hpd.hpd = RADEON_HPD_1; /* ??? */
2115 		radeon_add_legacy_encoder(dev,
2116 					  radeon_get_encoder_enum(dev,
2117 								ATOM_DEVICE_DFP1_SUPPORT,
2118 								0),
2119 					  ATOM_DEVICE_DFP1_SUPPORT);
2120 		radeon_add_legacy_encoder(dev,
2121 					  radeon_get_encoder_enum(dev,
2122 								ATOM_DEVICE_CRT2_SUPPORT,
2123 								2),
2124 					  ATOM_DEVICE_CRT2_SUPPORT);
2125 		radeon_add_legacy_connector(dev, 1,
2126 					    ATOM_DEVICE_DFP1_SUPPORT |
2127 					    ATOM_DEVICE_CRT2_SUPPORT,
2128 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2129 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2130 					    &hpd);
2131 		/* VGA - primary dac */
2132 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2133 		hpd.hpd = RADEON_HPD_NONE;
2134 		radeon_add_legacy_encoder(dev,
2135 					  radeon_get_encoder_enum(dev,
2136 								ATOM_DEVICE_CRT1_SUPPORT,
2137 								1),
2138 					  ATOM_DEVICE_CRT1_SUPPORT);
2139 		radeon_add_legacy_connector(dev, 2,
2140 					    ATOM_DEVICE_CRT1_SUPPORT,
2141 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2142 					    CONNECTOR_OBJECT_ID_VGA,
2143 					    &hpd);
2144 		/* TV - TV DAC */
2145 		ddc_i2c.valid = false;
2146 		hpd.hpd = RADEON_HPD_NONE;
2147 		radeon_add_legacy_encoder(dev,
2148 					  radeon_get_encoder_enum(dev,
2149 								ATOM_DEVICE_TV1_SUPPORT,
2150 								2),
2151 					  ATOM_DEVICE_TV1_SUPPORT);
2152 		radeon_add_legacy_connector(dev, 3, ATOM_DEVICE_TV1_SUPPORT,
2153 					    DRM_MODE_CONNECTOR_SVIDEO,
2154 					    &ddc_i2c,
2155 					    CONNECTOR_OBJECT_ID_SVIDEO,
2156 					    &hpd);
2157 		break;
2158 	case CT_MAC_G4_SILVER:
2159 		DRM_INFO("Connector Table: %d (mac g4 silver)\n",
2160 			 rdev->mode_info.connector_table);
2161 		/* DVI-I - tv dac, int tmds */
2162 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2163 		hpd.hpd = RADEON_HPD_1; /* ??? */
2164 		radeon_add_legacy_encoder(dev,
2165 					  radeon_get_encoder_enum(dev,
2166 								ATOM_DEVICE_DFP1_SUPPORT,
2167 								0),
2168 					  ATOM_DEVICE_DFP1_SUPPORT);
2169 		radeon_add_legacy_encoder(dev,
2170 					  radeon_get_encoder_enum(dev,
2171 								ATOM_DEVICE_CRT2_SUPPORT,
2172 								2),
2173 					  ATOM_DEVICE_CRT2_SUPPORT);
2174 		radeon_add_legacy_connector(dev, 0,
2175 					    ATOM_DEVICE_DFP1_SUPPORT |
2176 					    ATOM_DEVICE_CRT2_SUPPORT,
2177 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2178 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2179 					    &hpd);
2180 		/* VGA - primary dac */
2181 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2182 		hpd.hpd = RADEON_HPD_NONE;
2183 		radeon_add_legacy_encoder(dev,
2184 					  radeon_get_encoder_enum(dev,
2185 								ATOM_DEVICE_CRT1_SUPPORT,
2186 								1),
2187 					  ATOM_DEVICE_CRT1_SUPPORT);
2188 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
2189 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2190 					    CONNECTOR_OBJECT_ID_VGA,
2191 					    &hpd);
2192 		/* TV - TV DAC */
2193 		ddc_i2c.valid = false;
2194 		hpd.hpd = RADEON_HPD_NONE;
2195 		radeon_add_legacy_encoder(dev,
2196 					  radeon_get_encoder_enum(dev,
2197 								ATOM_DEVICE_TV1_SUPPORT,
2198 								2),
2199 					  ATOM_DEVICE_TV1_SUPPORT);
2200 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2201 					    DRM_MODE_CONNECTOR_SVIDEO,
2202 					    &ddc_i2c,
2203 					    CONNECTOR_OBJECT_ID_SVIDEO,
2204 					    &hpd);
2205 		break;
2206 	default:
2207 		DRM_INFO("Connector table: %d (invalid)\n",
2208 			 rdev->mode_info.connector_table);
2209 		return false;
2210 	}
2211 
2212 	radeon_link_encoder_connector(dev);
2213 
2214 	return true;
2215 }
2216 
2217 static bool radeon_apply_legacy_quirks(struct drm_device *dev,
2218 				       int bios_index,
2219 				       enum radeon_combios_connector
2220 				       *legacy_connector,
2221 				       struct radeon_i2c_bus_rec *ddc_i2c,
2222 				       struct radeon_hpd *hpd)
2223 {
2224 
2225 	/* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
2226 	   one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
2227 	if (dev->pdev->device == 0x515e &&
2228 	    dev->pdev->subsystem_vendor == 0x1014) {
2229 		if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
2230 		    ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
2231 			return false;
2232 	}
2233 
2234 	/* X300 card with extra non-existent DVI port */
2235 	if (dev->pdev->device == 0x5B60 &&
2236 	    dev->pdev->subsystem_vendor == 0x17af &&
2237 	    dev->pdev->subsystem_device == 0x201e && bios_index == 2) {
2238 		if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
2239 			return false;
2240 	}
2241 
2242 	return true;
2243 }
2244 
2245 static bool radeon_apply_legacy_tv_quirks(struct drm_device *dev)
2246 {
2247 	/* Acer 5102 has non-existent TV port */
2248 	if (dev->pdev->device == 0x5975 &&
2249 	    dev->pdev->subsystem_vendor == 0x1025 &&
2250 	    dev->pdev->subsystem_device == 0x009f)
2251 		return false;
2252 
2253 	/* HP dc5750 has non-existent TV port */
2254 	if (dev->pdev->device == 0x5974 &&
2255 	    dev->pdev->subsystem_vendor == 0x103c &&
2256 	    dev->pdev->subsystem_device == 0x280a)
2257 		return false;
2258 
2259 	/* MSI S270 has non-existent TV port */
2260 	if (dev->pdev->device == 0x5955 &&
2261 	    dev->pdev->subsystem_vendor == 0x1462 &&
2262 	    dev->pdev->subsystem_device == 0x0131)
2263 		return false;
2264 
2265 	return true;
2266 }
2267 
2268 static uint16_t combios_check_dl_dvi(struct drm_device *dev, int is_dvi_d)
2269 {
2270 	struct radeon_device *rdev = dev->dev_private;
2271 	uint32_t ext_tmds_info;
2272 
2273 	if (rdev->flags & RADEON_IS_IGP) {
2274 		if (is_dvi_d)
2275 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2276 		else
2277 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2278 	}
2279 	ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2280 	if (ext_tmds_info) {
2281 		uint8_t rev = RBIOS8(ext_tmds_info);
2282 		uint8_t flags = RBIOS8(ext_tmds_info + 4 + 5);
2283 		if (rev >= 3) {
2284 			if (is_dvi_d)
2285 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2286 			else
2287 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2288 		} else {
2289 			if (flags & 1) {
2290 				if (is_dvi_d)
2291 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2292 				else
2293 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2294 			}
2295 		}
2296 	}
2297 	if (is_dvi_d)
2298 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2299 	else
2300 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2301 }
2302 
2303 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
2304 {
2305 	struct radeon_device *rdev = dev->dev_private;
2306 	uint32_t conn_info, entry, devices;
2307 	uint16_t tmp, connector_object_id;
2308 	enum radeon_combios_ddc ddc_type;
2309 	enum radeon_combios_connector connector;
2310 	int i = 0;
2311 	struct radeon_i2c_bus_rec ddc_i2c;
2312 	struct radeon_hpd hpd;
2313 
2314 	conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
2315 	if (conn_info) {
2316 		for (i = 0; i < 4; i++) {
2317 			entry = conn_info + 2 + i * 2;
2318 
2319 			if (!RBIOS16(entry))
2320 				break;
2321 
2322 			tmp = RBIOS16(entry);
2323 
2324 			connector = (tmp >> 12) & 0xf;
2325 
2326 			ddc_type = (tmp >> 8) & 0xf;
2327 			if (ddc_type == 5)
2328 				ddc_i2c = radeon_combios_get_i2c_info_from_table(rdev);
2329 			else
2330 				ddc_i2c = combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2331 
2332 			switch (connector) {
2333 			case CONNECTOR_PROPRIETARY_LEGACY:
2334 			case CONNECTOR_DVI_I_LEGACY:
2335 			case CONNECTOR_DVI_D_LEGACY:
2336 				if ((tmp >> 4) & 0x1)
2337 					hpd.hpd = RADEON_HPD_2;
2338 				else
2339 					hpd.hpd = RADEON_HPD_1;
2340 				break;
2341 			default:
2342 				hpd.hpd = RADEON_HPD_NONE;
2343 				break;
2344 			}
2345 
2346 			if (!radeon_apply_legacy_quirks(dev, i, &connector,
2347 							&ddc_i2c, &hpd))
2348 				continue;
2349 
2350 			switch (connector) {
2351 			case CONNECTOR_PROPRIETARY_LEGACY:
2352 				if ((tmp >> 4) & 0x1)
2353 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2354 				else
2355 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2356 				radeon_add_legacy_encoder(dev,
2357 							  radeon_get_encoder_enum
2358 							  (dev, devices, 0),
2359 							  devices);
2360 				radeon_add_legacy_connector(dev, i, devices,
2361 							    legacy_connector_convert
2362 							    [connector],
2363 							    &ddc_i2c,
2364 							    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
2365 							    &hpd);
2366 				break;
2367 			case CONNECTOR_CRT_LEGACY:
2368 				if (tmp & 0x1) {
2369 					devices = ATOM_DEVICE_CRT2_SUPPORT;
2370 					radeon_add_legacy_encoder(dev,
2371 								  radeon_get_encoder_enum
2372 								  (dev,
2373 								   ATOM_DEVICE_CRT2_SUPPORT,
2374 								   2),
2375 								  ATOM_DEVICE_CRT2_SUPPORT);
2376 				} else {
2377 					devices = ATOM_DEVICE_CRT1_SUPPORT;
2378 					radeon_add_legacy_encoder(dev,
2379 								  radeon_get_encoder_enum
2380 								  (dev,
2381 								   ATOM_DEVICE_CRT1_SUPPORT,
2382 								   1),
2383 								  ATOM_DEVICE_CRT1_SUPPORT);
2384 				}
2385 				radeon_add_legacy_connector(dev,
2386 							    i,
2387 							    devices,
2388 							    legacy_connector_convert
2389 							    [connector],
2390 							    &ddc_i2c,
2391 							    CONNECTOR_OBJECT_ID_VGA,
2392 							    &hpd);
2393 				break;
2394 			case CONNECTOR_DVI_I_LEGACY:
2395 				devices = 0;
2396 				if (tmp & 0x1) {
2397 					devices |= ATOM_DEVICE_CRT2_SUPPORT;
2398 					radeon_add_legacy_encoder(dev,
2399 								  radeon_get_encoder_enum
2400 								  (dev,
2401 								   ATOM_DEVICE_CRT2_SUPPORT,
2402 								   2),
2403 								  ATOM_DEVICE_CRT2_SUPPORT);
2404 				} else {
2405 					devices |= ATOM_DEVICE_CRT1_SUPPORT;
2406 					radeon_add_legacy_encoder(dev,
2407 								  radeon_get_encoder_enum
2408 								  (dev,
2409 								   ATOM_DEVICE_CRT1_SUPPORT,
2410 								   1),
2411 								  ATOM_DEVICE_CRT1_SUPPORT);
2412 				}
2413 				/* RV100 board with external TDMS bit mis-set.
2414 				 * Actually uses internal TMDS, clear the bit.
2415 				 */
2416 				if (dev->pdev->device == 0x5159 &&
2417 				    dev->pdev->subsystem_vendor == 0x1014 &&
2418 				    dev->pdev->subsystem_device == 0x029A) {
2419 					tmp &= ~(1 << 4);
2420 				}
2421 				if ((tmp >> 4) & 0x1) {
2422 					devices |= ATOM_DEVICE_DFP2_SUPPORT;
2423 					radeon_add_legacy_encoder(dev,
2424 								  radeon_get_encoder_enum
2425 								  (dev,
2426 								   ATOM_DEVICE_DFP2_SUPPORT,
2427 								   0),
2428 								  ATOM_DEVICE_DFP2_SUPPORT);
2429 					connector_object_id = combios_check_dl_dvi(dev, 0);
2430 				} else {
2431 					devices |= ATOM_DEVICE_DFP1_SUPPORT;
2432 					radeon_add_legacy_encoder(dev,
2433 								  radeon_get_encoder_enum
2434 								  (dev,
2435 								   ATOM_DEVICE_DFP1_SUPPORT,
2436 								   0),
2437 								  ATOM_DEVICE_DFP1_SUPPORT);
2438 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2439 				}
2440 				radeon_add_legacy_connector(dev,
2441 							    i,
2442 							    devices,
2443 							    legacy_connector_convert
2444 							    [connector],
2445 							    &ddc_i2c,
2446 							    connector_object_id,
2447 							    &hpd);
2448 				break;
2449 			case CONNECTOR_DVI_D_LEGACY:
2450 				if ((tmp >> 4) & 0x1) {
2451 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2452 					connector_object_id = combios_check_dl_dvi(dev, 1);
2453 				} else {
2454 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2455 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2456 				}
2457 				radeon_add_legacy_encoder(dev,
2458 							  radeon_get_encoder_enum
2459 							  (dev, devices, 0),
2460 							  devices);
2461 				radeon_add_legacy_connector(dev, i, devices,
2462 							    legacy_connector_convert
2463 							    [connector],
2464 							    &ddc_i2c,
2465 							    connector_object_id,
2466 							    &hpd);
2467 				break;
2468 			case CONNECTOR_CTV_LEGACY:
2469 			case CONNECTOR_STV_LEGACY:
2470 				radeon_add_legacy_encoder(dev,
2471 							  radeon_get_encoder_enum
2472 							  (dev,
2473 							   ATOM_DEVICE_TV1_SUPPORT,
2474 							   2),
2475 							  ATOM_DEVICE_TV1_SUPPORT);
2476 				radeon_add_legacy_connector(dev, i,
2477 							    ATOM_DEVICE_TV1_SUPPORT,
2478 							    legacy_connector_convert
2479 							    [connector],
2480 							    &ddc_i2c,
2481 							    CONNECTOR_OBJECT_ID_SVIDEO,
2482 							    &hpd);
2483 				break;
2484 			default:
2485 				DRM_ERROR("Unknown connector type: %d\n",
2486 					  connector);
2487 				continue;
2488 			}
2489 
2490 		}
2491 	} else {
2492 		uint16_t tmds_info =
2493 		    combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
2494 		if (tmds_info) {
2495 			DRM_DEBUG_KMS("Found DFP table, assuming DVI connector\n");
2496 
2497 			radeon_add_legacy_encoder(dev,
2498 						  radeon_get_encoder_enum(dev,
2499 									ATOM_DEVICE_CRT1_SUPPORT,
2500 									1),
2501 						  ATOM_DEVICE_CRT1_SUPPORT);
2502 			radeon_add_legacy_encoder(dev,
2503 						  radeon_get_encoder_enum(dev,
2504 									ATOM_DEVICE_DFP1_SUPPORT,
2505 									0),
2506 						  ATOM_DEVICE_DFP1_SUPPORT);
2507 
2508 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2509 			hpd.hpd = RADEON_HPD_1;
2510 			radeon_add_legacy_connector(dev,
2511 						    0,
2512 						    ATOM_DEVICE_CRT1_SUPPORT |
2513 						    ATOM_DEVICE_DFP1_SUPPORT,
2514 						    DRM_MODE_CONNECTOR_DVII,
2515 						    &ddc_i2c,
2516 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2517 						    &hpd);
2518 		} else {
2519 			uint16_t crt_info =
2520 				combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
2521 			DRM_DEBUG_KMS("Found CRT table, assuming VGA connector\n");
2522 			if (crt_info) {
2523 				radeon_add_legacy_encoder(dev,
2524 							  radeon_get_encoder_enum(dev,
2525 										ATOM_DEVICE_CRT1_SUPPORT,
2526 										1),
2527 							  ATOM_DEVICE_CRT1_SUPPORT);
2528 				ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2529 				hpd.hpd = RADEON_HPD_NONE;
2530 				radeon_add_legacy_connector(dev,
2531 							    0,
2532 							    ATOM_DEVICE_CRT1_SUPPORT,
2533 							    DRM_MODE_CONNECTOR_VGA,
2534 							    &ddc_i2c,
2535 							    CONNECTOR_OBJECT_ID_VGA,
2536 							    &hpd);
2537 			} else {
2538 				DRM_DEBUG_KMS("No connector info found\n");
2539 				return false;
2540 			}
2541 		}
2542 	}
2543 
2544 	if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
2545 		uint16_t lcd_info =
2546 		    combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
2547 		if (lcd_info) {
2548 			uint16_t lcd_ddc_info =
2549 			    combios_get_table_offset(dev,
2550 						     COMBIOS_LCD_DDC_INFO_TABLE);
2551 
2552 			radeon_add_legacy_encoder(dev,
2553 						  radeon_get_encoder_enum(dev,
2554 									ATOM_DEVICE_LCD1_SUPPORT,
2555 									0),
2556 						  ATOM_DEVICE_LCD1_SUPPORT);
2557 
2558 			if (lcd_ddc_info) {
2559 				ddc_type = RBIOS8(lcd_ddc_info + 2);
2560 				switch (ddc_type) {
2561 				case DDC_LCD:
2562 					ddc_i2c =
2563 						combios_setup_i2c_bus(rdev,
2564 								      DDC_LCD,
2565 								      RBIOS32(lcd_ddc_info + 3),
2566 								      RBIOS32(lcd_ddc_info + 7));
2567 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2568 					break;
2569 				case DDC_GPIO:
2570 					ddc_i2c =
2571 						combios_setup_i2c_bus(rdev,
2572 								      DDC_GPIO,
2573 								      RBIOS32(lcd_ddc_info + 3),
2574 								      RBIOS32(lcd_ddc_info + 7));
2575 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2576 					break;
2577 				default:
2578 					ddc_i2c =
2579 						combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2580 					break;
2581 				}
2582 				DRM_DEBUG_KMS("LCD DDC Info Table found!\n");
2583 			} else
2584 				ddc_i2c.valid = false;
2585 
2586 			hpd.hpd = RADEON_HPD_NONE;
2587 			radeon_add_legacy_connector(dev,
2588 						    5,
2589 						    ATOM_DEVICE_LCD1_SUPPORT,
2590 						    DRM_MODE_CONNECTOR_LVDS,
2591 						    &ddc_i2c,
2592 						    CONNECTOR_OBJECT_ID_LVDS,
2593 						    &hpd);
2594 		}
2595 	}
2596 
2597 	/* check TV table */
2598 	if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
2599 		uint32_t tv_info =
2600 		    combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
2601 		if (tv_info) {
2602 			if (RBIOS8(tv_info + 6) == 'T') {
2603 				if (radeon_apply_legacy_tv_quirks(dev)) {
2604 					hpd.hpd = RADEON_HPD_NONE;
2605 					ddc_i2c.valid = false;
2606 					radeon_add_legacy_encoder(dev,
2607 								  radeon_get_encoder_enum
2608 								  (dev,
2609 								   ATOM_DEVICE_TV1_SUPPORT,
2610 								   2),
2611 								  ATOM_DEVICE_TV1_SUPPORT);
2612 					radeon_add_legacy_connector(dev, 6,
2613 								    ATOM_DEVICE_TV1_SUPPORT,
2614 								    DRM_MODE_CONNECTOR_SVIDEO,
2615 								    &ddc_i2c,
2616 								    CONNECTOR_OBJECT_ID_SVIDEO,
2617 								    &hpd);
2618 				}
2619 			}
2620 		}
2621 	}
2622 
2623 	radeon_link_encoder_connector(dev);
2624 
2625 	return true;
2626 }
2627 
2628 static const char *thermal_controller_names[] = {
2629 	"NONE",
2630 	"lm63",
2631 	"adm1032",
2632 };
2633 
2634 void radeon_combios_get_power_modes(struct radeon_device *rdev)
2635 {
2636 	struct drm_device *dev = rdev->ddev;
2637 	u16 offset, misc, misc2 = 0;
2638 	u8 rev, tmp;
2639 	int state_index = 0;
2640 	struct radeon_i2c_bus_rec i2c_bus;
2641 
2642 	rdev->pm.default_power_state_index = -1;
2643 
2644 	/* allocate 2 power states */
2645 	rdev->pm.power_state = kcalloc(2, sizeof(struct radeon_power_state),
2646 				       GFP_KERNEL);
2647 	if (rdev->pm.power_state) {
2648 		/* allocate 1 clock mode per state */
2649 		rdev->pm.power_state[0].clock_info =
2650 			kcalloc(1, sizeof(struct radeon_pm_clock_info),
2651 				GFP_KERNEL);
2652 		rdev->pm.power_state[1].clock_info =
2653 			kcalloc(1, sizeof(struct radeon_pm_clock_info),
2654 				GFP_KERNEL);
2655 		if (!rdev->pm.power_state[0].clock_info ||
2656 		    !rdev->pm.power_state[1].clock_info)
2657 			goto pm_failed;
2658 	} else
2659 		goto pm_failed;
2660 
2661 	/* check for a thermal chip */
2662 	offset = combios_get_table_offset(dev, COMBIOS_OVERDRIVE_INFO_TABLE);
2663 	if (offset) {
2664 		u8 thermal_controller = 0, gpio = 0, i2c_addr = 0, clk_bit = 0, data_bit = 0;
2665 
2666 		rev = RBIOS8(offset);
2667 
2668 		if (rev == 0) {
2669 			thermal_controller = RBIOS8(offset + 3);
2670 			gpio = RBIOS8(offset + 4) & 0x3f;
2671 			i2c_addr = RBIOS8(offset + 5);
2672 		} else if (rev == 1) {
2673 			thermal_controller = RBIOS8(offset + 4);
2674 			gpio = RBIOS8(offset + 5) & 0x3f;
2675 			i2c_addr = RBIOS8(offset + 6);
2676 		} else if (rev == 2) {
2677 			thermal_controller = RBIOS8(offset + 4);
2678 			gpio = RBIOS8(offset + 5) & 0x3f;
2679 			i2c_addr = RBIOS8(offset + 6);
2680 			clk_bit = RBIOS8(offset + 0xa);
2681 			data_bit = RBIOS8(offset + 0xb);
2682 		}
2683 		if ((thermal_controller > 0) && (thermal_controller < 3)) {
2684 			DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2685 				 thermal_controller_names[thermal_controller],
2686 				 i2c_addr >> 1);
2687 			if (gpio == DDC_LCD) {
2688 				/* MM i2c */
2689 				i2c_bus.valid = true;
2690 				i2c_bus.hw_capable = true;
2691 				i2c_bus.mm_i2c = true;
2692 				i2c_bus.i2c_id = 0xa0;
2693 			} else if (gpio == DDC_GPIO)
2694 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 1 << clk_bit, 1 << data_bit);
2695 			else
2696 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
2697 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2698 			if (rdev->pm.i2c_bus) {
2699 				struct i2c_board_info info = { };
2700 				const char *name = thermal_controller_names[thermal_controller];
2701 				info.addr = i2c_addr >> 1;
2702 				strlcpy(info.type, name, sizeof(info.type));
2703 				i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info);
2704 			}
2705 		}
2706 	} else {
2707 		/* boards with a thermal chip, but no overdrive table */
2708 
2709 		/* Asus 9600xt has an f75375 on the monid bus */
2710 		if ((dev->pdev->device == 0x4152) &&
2711 		    (dev->pdev->subsystem_vendor == 0x1043) &&
2712 		    (dev->pdev->subsystem_device == 0xc002)) {
2713 			i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2714 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2715 			if (rdev->pm.i2c_bus) {
2716 				struct i2c_board_info info = { };
2717 				const char *name = "f75375";
2718 				info.addr = 0x28;
2719 				strlcpy(info.type, name, sizeof(info.type));
2720 				i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info);
2721 				DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2722 					 name, info.addr);
2723 			}
2724 		}
2725 	}
2726 
2727 	if (rdev->flags & RADEON_IS_MOBILITY) {
2728 		offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
2729 		if (offset) {
2730 			rev = RBIOS8(offset);
2731 			/* power mode 0 tends to be the only valid one */
2732 			rdev->pm.power_state[state_index].num_clock_modes = 1;
2733 			rdev->pm.power_state[state_index].clock_info[0].mclk = RBIOS32(offset + 0x5 + 0x2);
2734 			rdev->pm.power_state[state_index].clock_info[0].sclk = RBIOS32(offset + 0x5 + 0x6);
2735 			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2736 			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2737 				goto default_mode;
2738 			rdev->pm.power_state[state_index].type =
2739 				POWER_STATE_TYPE_BATTERY;
2740 			misc = RBIOS16(offset + 0x5 + 0x0);
2741 			if (rev > 4)
2742 				misc2 = RBIOS16(offset + 0x5 + 0xe);
2743 			rdev->pm.power_state[state_index].misc = misc;
2744 			rdev->pm.power_state[state_index].misc2 = misc2;
2745 			if (misc & 0x4) {
2746 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
2747 				if (misc & 0x8)
2748 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2749 						true;
2750 				else
2751 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2752 						false;
2753 				rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = true;
2754 				if (rev < 6) {
2755 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2756 						RBIOS16(offset + 0x5 + 0xb) * 4;
2757 					tmp = RBIOS8(offset + 0x5 + 0xd);
2758 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2759 				} else {
2760 					u8 entries = RBIOS8(offset + 0x5 + 0xb);
2761 					u16 voltage_table_offset = RBIOS16(offset + 0x5 + 0xc);
2762 					if (entries && voltage_table_offset) {
2763 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2764 							RBIOS16(voltage_table_offset) * 4;
2765 						tmp = RBIOS8(voltage_table_offset + 0x2);
2766 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2767 					} else
2768 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = false;
2769 				}
2770 				switch ((misc2 & 0x700) >> 8) {
2771 				case 0:
2772 				default:
2773 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 0;
2774 					break;
2775 				case 1:
2776 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 33;
2777 					break;
2778 				case 2:
2779 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 66;
2780 					break;
2781 				case 3:
2782 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 99;
2783 					break;
2784 				case 4:
2785 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 132;
2786 					break;
2787 				}
2788 			} else
2789 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2790 			if (rev > 6)
2791 				rdev->pm.power_state[state_index].pcie_lanes =
2792 					RBIOS8(offset + 0x5 + 0x10);
2793 			rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2794 			state_index++;
2795 		} else {
2796 			/* XXX figure out some good default low power mode for mobility cards w/out power tables */
2797 		}
2798 	} else {
2799 		/* XXX figure out some good default low power mode for desktop cards */
2800 	}
2801 
2802 default_mode:
2803 	/* add the default mode */
2804 	rdev->pm.power_state[state_index].type =
2805 		POWER_STATE_TYPE_DEFAULT;
2806 	rdev->pm.power_state[state_index].num_clock_modes = 1;
2807 	rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
2808 	rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
2809 	rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
2810 	if ((state_index > 0) &&
2811 	    (rdev->pm.power_state[0].clock_info[0].voltage.type == VOLTAGE_GPIO))
2812 		rdev->pm.power_state[state_index].clock_info[0].voltage =
2813 			rdev->pm.power_state[0].clock_info[0].voltage;
2814 	else
2815 		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2816 	rdev->pm.power_state[state_index].pcie_lanes = 16;
2817 	rdev->pm.power_state[state_index].flags = 0;
2818 	rdev->pm.default_power_state_index = state_index;
2819 	rdev->pm.num_power_states = state_index + 1;
2820 
2821 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2822 	rdev->pm.current_clock_mode_index = 0;
2823 	return;
2824 
2825 pm_failed:
2826 	rdev->pm.default_power_state_index = state_index;
2827 	rdev->pm.num_power_states = 0;
2828 
2829 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2830 	rdev->pm.current_clock_mode_index = 0;
2831 }
2832 
2833 void radeon_external_tmds_setup(struct drm_encoder *encoder)
2834 {
2835 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2836 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2837 
2838 	if (!tmds)
2839 		return;
2840 
2841 	switch (tmds->dvo_chip) {
2842 	case DVO_SIL164:
2843 		/* sil 164 */
2844 		radeon_i2c_put_byte(tmds->i2c_bus,
2845 				    tmds->slave_addr,
2846 				    0x08, 0x30);
2847 		radeon_i2c_put_byte(tmds->i2c_bus,
2848 				       tmds->slave_addr,
2849 				       0x09, 0x00);
2850 		radeon_i2c_put_byte(tmds->i2c_bus,
2851 				    tmds->slave_addr,
2852 				    0x0a, 0x90);
2853 		radeon_i2c_put_byte(tmds->i2c_bus,
2854 				    tmds->slave_addr,
2855 				    0x0c, 0x89);
2856 		radeon_i2c_put_byte(tmds->i2c_bus,
2857 				       tmds->slave_addr,
2858 				       0x08, 0x3b);
2859 		break;
2860 	case DVO_SIL1178:
2861 		/* sil 1178 - untested */
2862 		/*
2863 		 * 0x0f, 0x44
2864 		 * 0x0f, 0x4c
2865 		 * 0x0e, 0x01
2866 		 * 0x0a, 0x80
2867 		 * 0x09, 0x30
2868 		 * 0x0c, 0xc9
2869 		 * 0x0d, 0x70
2870 		 * 0x08, 0x32
2871 		 * 0x08, 0x33
2872 		 */
2873 		break;
2874 	default:
2875 		break;
2876 	}
2877 
2878 }
2879 
2880 bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
2881 {
2882 	struct drm_device *dev = encoder->dev;
2883 	struct radeon_device *rdev = dev->dev_private;
2884 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2885 	uint16_t offset;
2886 	uint8_t blocks, slave_addr, rev;
2887 	uint32_t index, id;
2888 	uint32_t reg, val, and_mask, or_mask;
2889 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2890 
2891 	if (!tmds)
2892 		return false;
2893 
2894 	if (rdev->flags & RADEON_IS_IGP) {
2895 		offset = combios_get_table_offset(dev, COMBIOS_TMDS_POWER_ON_TABLE);
2896 		rev = RBIOS8(offset);
2897 		if (offset) {
2898 			rev = RBIOS8(offset);
2899 			if (rev > 1) {
2900 				blocks = RBIOS8(offset + 3);
2901 				index = offset + 4;
2902 				while (blocks > 0) {
2903 					id = RBIOS16(index);
2904 					index += 2;
2905 					switch (id >> 13) {
2906 					case 0:
2907 						reg = (id & 0x1fff) * 4;
2908 						val = RBIOS32(index);
2909 						index += 4;
2910 						WREG32(reg, val);
2911 						break;
2912 					case 2:
2913 						reg = (id & 0x1fff) * 4;
2914 						and_mask = RBIOS32(index);
2915 						index += 4;
2916 						or_mask = RBIOS32(index);
2917 						index += 4;
2918 						val = RREG32(reg);
2919 						val = (val & and_mask) | or_mask;
2920 						WREG32(reg, val);
2921 						break;
2922 					case 3:
2923 						val = RBIOS16(index);
2924 						index += 2;
2925 						udelay(val);
2926 						break;
2927 					case 4:
2928 						val = RBIOS16(index);
2929 						index += 2;
2930 						mdelay(val);
2931 						break;
2932 					case 6:
2933 						slave_addr = id & 0xff;
2934 						slave_addr >>= 1; /* 7 bit addressing */
2935 						index++;
2936 						reg = RBIOS8(index);
2937 						index++;
2938 						val = RBIOS8(index);
2939 						index++;
2940 						radeon_i2c_put_byte(tmds->i2c_bus,
2941 								    slave_addr,
2942 								    reg, val);
2943 						break;
2944 					default:
2945 						DRM_ERROR("Unknown id %d\n", id >> 13);
2946 						break;
2947 					}
2948 					blocks--;
2949 				}
2950 				return true;
2951 			}
2952 		}
2953 	} else {
2954 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2955 		if (offset) {
2956 			index = offset + 10;
2957 			id = RBIOS16(index);
2958 			while (id != 0xffff) {
2959 				index += 2;
2960 				switch (id >> 13) {
2961 				case 0:
2962 					reg = (id & 0x1fff) * 4;
2963 					val = RBIOS32(index);
2964 					WREG32(reg, val);
2965 					break;
2966 				case 2:
2967 					reg = (id & 0x1fff) * 4;
2968 					and_mask = RBIOS32(index);
2969 					index += 4;
2970 					or_mask = RBIOS32(index);
2971 					index += 4;
2972 					val = RREG32(reg);
2973 					val = (val & and_mask) | or_mask;
2974 					WREG32(reg, val);
2975 					break;
2976 				case 4:
2977 					val = RBIOS16(index);
2978 					index += 2;
2979 					udelay(val);
2980 					break;
2981 				case 5:
2982 					reg = id & 0x1fff;
2983 					and_mask = RBIOS32(index);
2984 					index += 4;
2985 					or_mask = RBIOS32(index);
2986 					index += 4;
2987 					val = RREG32_PLL(reg);
2988 					val = (val & and_mask) | or_mask;
2989 					WREG32_PLL(reg, val);
2990 					break;
2991 				case 6:
2992 					reg = id & 0x1fff;
2993 					val = RBIOS8(index);
2994 					index += 1;
2995 					radeon_i2c_put_byte(tmds->i2c_bus,
2996 							    tmds->slave_addr,
2997 							    reg, val);
2998 					break;
2999 				default:
3000 					DRM_ERROR("Unknown id %d\n", id >> 13);
3001 					break;
3002 				}
3003 				id = RBIOS16(index);
3004 			}
3005 			return true;
3006 		}
3007 	}
3008 	return false;
3009 }
3010 
3011 static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
3012 {
3013 	struct radeon_device *rdev = dev->dev_private;
3014 
3015 	if (offset) {
3016 		while (RBIOS16(offset)) {
3017 			uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
3018 			uint32_t addr = (RBIOS16(offset) & 0x1fff);
3019 			uint32_t val, and_mask, or_mask;
3020 			uint32_t tmp;
3021 
3022 			offset += 2;
3023 			switch (cmd) {
3024 			case 0:
3025 				val = RBIOS32(offset);
3026 				offset += 4;
3027 				WREG32(addr, val);
3028 				break;
3029 			case 1:
3030 				val = RBIOS32(offset);
3031 				offset += 4;
3032 				WREG32(addr, val);
3033 				break;
3034 			case 2:
3035 				and_mask = RBIOS32(offset);
3036 				offset += 4;
3037 				or_mask = RBIOS32(offset);
3038 				offset += 4;
3039 				tmp = RREG32(addr);
3040 				tmp &= and_mask;
3041 				tmp |= or_mask;
3042 				WREG32(addr, tmp);
3043 				break;
3044 			case 3:
3045 				and_mask = RBIOS32(offset);
3046 				offset += 4;
3047 				or_mask = RBIOS32(offset);
3048 				offset += 4;
3049 				tmp = RREG32(addr);
3050 				tmp &= and_mask;
3051 				tmp |= or_mask;
3052 				WREG32(addr, tmp);
3053 				break;
3054 			case 4:
3055 				val = RBIOS16(offset);
3056 				offset += 2;
3057 				udelay(val);
3058 				break;
3059 			case 5:
3060 				val = RBIOS16(offset);
3061 				offset += 2;
3062 				switch (addr) {
3063 				case 8:
3064 					while (val--) {
3065 						if (!
3066 						    (RREG32_PLL
3067 						     (RADEON_CLK_PWRMGT_CNTL) &
3068 						     RADEON_MC_BUSY))
3069 							break;
3070 					}
3071 					break;
3072 				case 9:
3073 					while (val--) {
3074 						if ((RREG32(RADEON_MC_STATUS) &
3075 						     RADEON_MC_IDLE))
3076 							break;
3077 					}
3078 					break;
3079 				default:
3080 					break;
3081 				}
3082 				break;
3083 			default:
3084 				break;
3085 			}
3086 		}
3087 	}
3088 }
3089 
3090 static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
3091 {
3092 	struct radeon_device *rdev = dev->dev_private;
3093 
3094 	if (offset) {
3095 		while (RBIOS8(offset)) {
3096 			uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
3097 			uint8_t addr = (RBIOS8(offset) & 0x3f);
3098 			uint32_t val, shift, tmp;
3099 			uint32_t and_mask, or_mask;
3100 
3101 			offset++;
3102 			switch (cmd) {
3103 			case 0:
3104 				val = RBIOS32(offset);
3105 				offset += 4;
3106 				WREG32_PLL(addr, val);
3107 				break;
3108 			case 1:
3109 				shift = RBIOS8(offset) * 8;
3110 				offset++;
3111 				and_mask = RBIOS8(offset) << shift;
3112 				and_mask |= ~(0xff << shift);
3113 				offset++;
3114 				or_mask = RBIOS8(offset) << shift;
3115 				offset++;
3116 				tmp = RREG32_PLL(addr);
3117 				tmp &= and_mask;
3118 				tmp |= or_mask;
3119 				WREG32_PLL(addr, tmp);
3120 				break;
3121 			case 2:
3122 			case 3:
3123 				tmp = 1000;
3124 				switch (addr) {
3125 				case 1:
3126 					udelay(150);
3127 					break;
3128 				case 2:
3129 					mdelay(1);
3130 					break;
3131 				case 3:
3132 					while (tmp--) {
3133 						if (!
3134 						    (RREG32_PLL
3135 						     (RADEON_CLK_PWRMGT_CNTL) &
3136 						     RADEON_MC_BUSY))
3137 							break;
3138 					}
3139 					break;
3140 				case 4:
3141 					while (tmp--) {
3142 						if (RREG32_PLL
3143 						    (RADEON_CLK_PWRMGT_CNTL) &
3144 						    RADEON_DLL_READY)
3145 							break;
3146 					}
3147 					break;
3148 				case 5:
3149 					tmp =
3150 					    RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
3151 					if (tmp & RADEON_CG_NO1_DEBUG_0) {
3152 #if 0
3153 						uint32_t mclk_cntl =
3154 						    RREG32_PLL
3155 						    (RADEON_MCLK_CNTL);
3156 						mclk_cntl &= 0xffff0000;
3157 						/*mclk_cntl |= 0x00001111;*//* ??? */
3158 						WREG32_PLL(RADEON_MCLK_CNTL,
3159 							   mclk_cntl);
3160 						mdelay(10);
3161 #endif
3162 						WREG32_PLL
3163 						    (RADEON_CLK_PWRMGT_CNTL,
3164 						     tmp &
3165 						     ~RADEON_CG_NO1_DEBUG_0);
3166 						mdelay(10);
3167 					}
3168 					break;
3169 				default:
3170 					break;
3171 				}
3172 				break;
3173 			default:
3174 				break;
3175 			}
3176 		}
3177 	}
3178 }
3179 
3180 static void combios_parse_ram_reset_table(struct drm_device *dev,
3181 					  uint16_t offset)
3182 {
3183 	struct radeon_device *rdev = dev->dev_private;
3184 	uint32_t tmp;
3185 
3186 	if (offset) {
3187 		uint8_t val = RBIOS8(offset);
3188 		while (val != 0xff) {
3189 			offset++;
3190 
3191 			if (val == 0x0f) {
3192 				uint32_t channel_complete_mask;
3193 
3194 				if (ASIC_IS_R300(rdev))
3195 					channel_complete_mask =
3196 					    R300_MEM_PWRUP_COMPLETE;
3197 				else
3198 					channel_complete_mask =
3199 					    RADEON_MEM_PWRUP_COMPLETE;
3200 				tmp = 20000;
3201 				while (tmp--) {
3202 					if ((RREG32(RADEON_MEM_STR_CNTL) &
3203 					     channel_complete_mask) ==
3204 					    channel_complete_mask)
3205 						break;
3206 				}
3207 			} else {
3208 				uint32_t or_mask = RBIOS16(offset);
3209 				offset += 2;
3210 
3211 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3212 				tmp &= RADEON_SDRAM_MODE_MASK;
3213 				tmp |= or_mask;
3214 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3215 
3216 				or_mask = val << 24;
3217 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3218 				tmp &= RADEON_B3MEM_RESET_MASK;
3219 				tmp |= or_mask;
3220 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3221 			}
3222 			val = RBIOS8(offset);
3223 		}
3224 	}
3225 }
3226 
3227 static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
3228 				   int mem_addr_mapping)
3229 {
3230 	struct radeon_device *rdev = dev->dev_private;
3231 	uint32_t mem_cntl;
3232 	uint32_t mem_size;
3233 	uint32_t addr = 0;
3234 
3235 	mem_cntl = RREG32(RADEON_MEM_CNTL);
3236 	if (mem_cntl & RV100_HALF_MODE)
3237 		ram /= 2;
3238 	mem_size = ram;
3239 	mem_cntl &= ~(0xff << 8);
3240 	mem_cntl |= (mem_addr_mapping & 0xff) << 8;
3241 	WREG32(RADEON_MEM_CNTL, mem_cntl);
3242 	RREG32(RADEON_MEM_CNTL);
3243 
3244 	/* sdram reset ? */
3245 
3246 	/* something like this????  */
3247 	while (ram--) {
3248 		addr = ram * 1024 * 1024;
3249 		/* write to each page */
3250 		WREG32_IDX((addr) | RADEON_MM_APER, 0xdeadbeef);
3251 		/* read back and verify */
3252 		if (RREG32_IDX((addr) | RADEON_MM_APER) != 0xdeadbeef)
3253 			return 0;
3254 	}
3255 
3256 	return mem_size;
3257 }
3258 
3259 static void combios_write_ram_size(struct drm_device *dev)
3260 {
3261 	struct radeon_device *rdev = dev->dev_private;
3262 	uint8_t rev;
3263 	uint16_t offset;
3264 	uint32_t mem_size = 0;
3265 	uint32_t mem_cntl = 0;
3266 
3267 	/* should do something smarter here I guess... */
3268 	if (rdev->flags & RADEON_IS_IGP)
3269 		return;
3270 
3271 	/* first check detected mem table */
3272 	offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
3273 	if (offset) {
3274 		rev = RBIOS8(offset);
3275 		if (rev < 3) {
3276 			mem_cntl = RBIOS32(offset + 1);
3277 			mem_size = RBIOS16(offset + 5);
3278 			if ((rdev->family < CHIP_R200) &&
3279 			    !ASIC_IS_RN50(rdev))
3280 				WREG32(RADEON_MEM_CNTL, mem_cntl);
3281 		}
3282 	}
3283 
3284 	if (!mem_size) {
3285 		offset =
3286 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
3287 		if (offset) {
3288 			rev = RBIOS8(offset - 1);
3289 			if (rev < 1) {
3290 				if ((rdev->family < CHIP_R200)
3291 				    && !ASIC_IS_RN50(rdev)) {
3292 					int ram = 0;
3293 					int mem_addr_mapping = 0;
3294 
3295 					while (RBIOS8(offset)) {
3296 						ram = RBIOS8(offset);
3297 						mem_addr_mapping =
3298 						    RBIOS8(offset + 1);
3299 						if (mem_addr_mapping != 0x25)
3300 							ram *= 2;
3301 						mem_size =
3302 						    combios_detect_ram(dev, ram,
3303 								       mem_addr_mapping);
3304 						if (mem_size)
3305 							break;
3306 						offset += 2;
3307 					}
3308 				} else
3309 					mem_size = RBIOS8(offset);
3310 			} else {
3311 				mem_size = RBIOS8(offset);
3312 				mem_size *= 2;	/* convert to MB */
3313 			}
3314 		}
3315 	}
3316 
3317 	mem_size *= (1024 * 1024);	/* convert to bytes */
3318 	WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
3319 }
3320 
3321 void radeon_combios_asic_init(struct drm_device *dev)
3322 {
3323 	struct radeon_device *rdev = dev->dev_private;
3324 	uint16_t table;
3325 
3326 	/* port hardcoded mac stuff from radeonfb */
3327 	if (rdev->bios == NULL)
3328 		return;
3329 
3330 	/* ASIC INIT 1 */
3331 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE);
3332 	if (table)
3333 		combios_parse_mmio_table(dev, table);
3334 
3335 	/* PLL INIT */
3336 	table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE);
3337 	if (table)
3338 		combios_parse_pll_table(dev, table);
3339 
3340 	/* ASIC INIT 2 */
3341 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE);
3342 	if (table)
3343 		combios_parse_mmio_table(dev, table);
3344 
3345 	if (!(rdev->flags & RADEON_IS_IGP)) {
3346 		/* ASIC INIT 4 */
3347 		table =
3348 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE);
3349 		if (table)
3350 			combios_parse_mmio_table(dev, table);
3351 
3352 		/* RAM RESET */
3353 		table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE);
3354 		if (table)
3355 			combios_parse_ram_reset_table(dev, table);
3356 
3357 		/* ASIC INIT 3 */
3358 		table =
3359 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE);
3360 		if (table)
3361 			combios_parse_mmio_table(dev, table);
3362 
3363 		/* write CONFIG_MEMSIZE */
3364 		combios_write_ram_size(dev);
3365 	}
3366 
3367 	/* quirk for rs4xx HP nx6125 laptop to make it resume
3368 	 * - it hangs on resume inside the dynclk 1 table.
3369 	 */
3370 	if (rdev->family == CHIP_RS480 &&
3371 	    rdev->pdev->subsystem_vendor == 0x103c &&
3372 	    rdev->pdev->subsystem_device == 0x308b)
3373 		return;
3374 
3375 	/* quirk for rs4xx HP dv5000 laptop to make it resume
3376 	 * - it hangs on resume inside the dynclk 1 table.
3377 	 */
3378 	if (rdev->family == CHIP_RS480 &&
3379 	    rdev->pdev->subsystem_vendor == 0x103c &&
3380 	    rdev->pdev->subsystem_device == 0x30a4)
3381 		return;
3382 
3383 	/* quirk for rs4xx Compaq Presario V5245EU laptop to make it resume
3384 	 * - it hangs on resume inside the dynclk 1 table.
3385 	 */
3386 	if (rdev->family == CHIP_RS480 &&
3387 	    rdev->pdev->subsystem_vendor == 0x103c &&
3388 	    rdev->pdev->subsystem_device == 0x30ae)
3389 		return;
3390 
3391 	/* quirk for rs4xx HP Compaq dc5750 Small Form Factor to make it resume
3392 	 * - it hangs on resume inside the dynclk 1 table.
3393 	 */
3394 	if (rdev->family == CHIP_RS480 &&
3395 	    rdev->pdev->subsystem_vendor == 0x103c &&
3396 	    rdev->pdev->subsystem_device == 0x280a)
3397 		return;
3398 	/* quirk for rs4xx Toshiba Sattellite L20-183 latop to make it resume
3399 	 * - it hangs on resume inside the dynclk 1 table.
3400 	 */
3401 	if (rdev->family == CHIP_RS400 &&
3402 	    rdev->pdev->subsystem_vendor == 0x1179 &&
3403 	    rdev->pdev->subsystem_device == 0xff31)
3404 	        return;
3405 
3406 	/* DYN CLK 1 */
3407 	table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3408 	if (table)
3409 		combios_parse_pll_table(dev, table);
3410 
3411 }
3412 
3413 void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
3414 {
3415 	struct radeon_device *rdev = dev->dev_private;
3416 	uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
3417 
3418 	bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
3419 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3420 	bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
3421 
3422 	/* let the bios control the backlight */
3423 	bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
3424 
3425 	/* tell the bios not to handle mode switching */
3426 	bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
3427 			   RADEON_ACC_MODE_CHANGE);
3428 
3429 	/* tell the bios a driver is loaded */
3430 	bios_7_scratch |= RADEON_DRV_LOADED;
3431 
3432 	WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
3433 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3434 	WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
3435 }
3436 
3437 void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
3438 {
3439 	struct drm_device *dev = encoder->dev;
3440 	struct radeon_device *rdev = dev->dev_private;
3441 	uint32_t bios_6_scratch;
3442 
3443 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3444 
3445 	if (lock)
3446 		bios_6_scratch |= RADEON_DRIVER_CRITICAL;
3447 	else
3448 		bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
3449 
3450 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3451 }
3452 
3453 void
3454 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
3455 				      struct drm_encoder *encoder,
3456 				      bool connected)
3457 {
3458 	struct drm_device *dev = connector->dev;
3459 	struct radeon_device *rdev = dev->dev_private;
3460 	struct radeon_connector *radeon_connector =
3461 	    to_radeon_connector(connector);
3462 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3463 	uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
3464 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3465 
3466 	if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
3467 	    (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
3468 		if (connected) {
3469 			DRM_DEBUG_KMS("TV1 connected\n");
3470 			/* fix me */
3471 			bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
3472 			/*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
3473 			bios_5_scratch |= RADEON_TV1_ON;
3474 			bios_5_scratch |= RADEON_ACC_REQ_TV1;
3475 		} else {
3476 			DRM_DEBUG_KMS("TV1 disconnected\n");
3477 			bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
3478 			bios_5_scratch &= ~RADEON_TV1_ON;
3479 			bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
3480 		}
3481 	}
3482 	if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
3483 	    (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
3484 		if (connected) {
3485 			DRM_DEBUG_KMS("LCD1 connected\n");
3486 			bios_4_scratch |= RADEON_LCD1_ATTACHED;
3487 			bios_5_scratch |= RADEON_LCD1_ON;
3488 			bios_5_scratch |= RADEON_ACC_REQ_LCD1;
3489 		} else {
3490 			DRM_DEBUG_KMS("LCD1 disconnected\n");
3491 			bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
3492 			bios_5_scratch &= ~RADEON_LCD1_ON;
3493 			bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
3494 		}
3495 	}
3496 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
3497 	    (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
3498 		if (connected) {
3499 			DRM_DEBUG_KMS("CRT1 connected\n");
3500 			bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
3501 			bios_5_scratch |= RADEON_CRT1_ON;
3502 			bios_5_scratch |= RADEON_ACC_REQ_CRT1;
3503 		} else {
3504 			DRM_DEBUG_KMS("CRT1 disconnected\n");
3505 			bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
3506 			bios_5_scratch &= ~RADEON_CRT1_ON;
3507 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
3508 		}
3509 	}
3510 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
3511 	    (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
3512 		if (connected) {
3513 			DRM_DEBUG_KMS("CRT2 connected\n");
3514 			bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
3515 			bios_5_scratch |= RADEON_CRT2_ON;
3516 			bios_5_scratch |= RADEON_ACC_REQ_CRT2;
3517 		} else {
3518 			DRM_DEBUG_KMS("CRT2 disconnected\n");
3519 			bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
3520 			bios_5_scratch &= ~RADEON_CRT2_ON;
3521 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
3522 		}
3523 	}
3524 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
3525 	    (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
3526 		if (connected) {
3527 			DRM_DEBUG_KMS("DFP1 connected\n");
3528 			bios_4_scratch |= RADEON_DFP1_ATTACHED;
3529 			bios_5_scratch |= RADEON_DFP1_ON;
3530 			bios_5_scratch |= RADEON_ACC_REQ_DFP1;
3531 		} else {
3532 			DRM_DEBUG_KMS("DFP1 disconnected\n");
3533 			bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
3534 			bios_5_scratch &= ~RADEON_DFP1_ON;
3535 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
3536 		}
3537 	}
3538 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
3539 	    (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
3540 		if (connected) {
3541 			DRM_DEBUG_KMS("DFP2 connected\n");
3542 			bios_4_scratch |= RADEON_DFP2_ATTACHED;
3543 			bios_5_scratch |= RADEON_DFP2_ON;
3544 			bios_5_scratch |= RADEON_ACC_REQ_DFP2;
3545 		} else {
3546 			DRM_DEBUG_KMS("DFP2 disconnected\n");
3547 			bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
3548 			bios_5_scratch &= ~RADEON_DFP2_ON;
3549 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
3550 		}
3551 	}
3552 	WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
3553 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3554 }
3555 
3556 void
3557 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
3558 {
3559 	struct drm_device *dev = encoder->dev;
3560 	struct radeon_device *rdev = dev->dev_private;
3561 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3562 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3563 
3564 	if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
3565 		bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
3566 		bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
3567 	}
3568 	if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
3569 		bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
3570 		bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
3571 	}
3572 	if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
3573 		bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
3574 		bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
3575 	}
3576 	if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
3577 		bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
3578 		bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
3579 	}
3580 	if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
3581 		bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
3582 		bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
3583 	}
3584 	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
3585 		bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
3586 		bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
3587 	}
3588 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3589 }
3590 
3591 void
3592 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
3593 {
3594 	struct drm_device *dev = encoder->dev;
3595 	struct radeon_device *rdev = dev->dev_private;
3596 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3597 	uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3598 
3599 	if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
3600 		if (on)
3601 			bios_6_scratch |= RADEON_TV_DPMS_ON;
3602 		else
3603 			bios_6_scratch &= ~RADEON_TV_DPMS_ON;
3604 	}
3605 	if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3606 		if (on)
3607 			bios_6_scratch |= RADEON_CRT_DPMS_ON;
3608 		else
3609 			bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
3610 	}
3611 	if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3612 		if (on)
3613 			bios_6_scratch |= RADEON_LCD_DPMS_ON;
3614 		else
3615 			bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
3616 	}
3617 	if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
3618 		if (on)
3619 			bios_6_scratch |= RADEON_DFP_DPMS_ON;
3620 		else
3621 			bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
3622 	}
3623 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3624 }
3625