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_to_drm(rdev), 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_to_drm(rdev);
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_to_drm(rdev);
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_to_drm(rdev);
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;
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 (((rdev->pdev->device == 0x5159) &&
898 	    (rdev->pdev->subsystem_vendor == 0x174B) &&
899 	    (rdev->pdev->subsystem_device == 0x7c28)) ||
900 	/* Radeon 9100 (R200) */
901 	   ((rdev->pdev->device == 0x514D) &&
902 	    (rdev->pdev->subsystem_vendor == 0x174B) &&
903 	    (rdev->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_to_drm(rdev);
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;
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;
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 	struct radeon_device *rdev = dev->dev_private;
2225 
2226 	/* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
2227 	   one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
2228 	if (rdev->pdev->device == 0x515e &&
2229 	    rdev->pdev->subsystem_vendor == 0x1014) {
2230 		if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
2231 		    ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
2232 			return false;
2233 	}
2234 
2235 	/* X300 card with extra non-existent DVI port */
2236 	if (rdev->pdev->device == 0x5B60 &&
2237 	    rdev->pdev->subsystem_vendor == 0x17af &&
2238 	    rdev->pdev->subsystem_device == 0x201e && bios_index == 2) {
2239 		if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
2240 			return false;
2241 	}
2242 
2243 	return true;
2244 }
2245 
2246 static bool radeon_apply_legacy_tv_quirks(struct drm_device *dev)
2247 {
2248 	struct radeon_device *rdev = dev->dev_private;
2249 
2250 	/* Acer 5102 has non-existent TV port */
2251 	if (rdev->pdev->device == 0x5975 &&
2252 	    rdev->pdev->subsystem_vendor == 0x1025 &&
2253 	    rdev->pdev->subsystem_device == 0x009f)
2254 		return false;
2255 
2256 	/* HP dc5750 has non-existent TV port */
2257 	if (rdev->pdev->device == 0x5974 &&
2258 	    rdev->pdev->subsystem_vendor == 0x103c &&
2259 	    rdev->pdev->subsystem_device == 0x280a)
2260 		return false;
2261 
2262 	/* MSI S270 has non-existent TV port */
2263 	if (rdev->pdev->device == 0x5955 &&
2264 	    rdev->pdev->subsystem_vendor == 0x1462 &&
2265 	    rdev->pdev->subsystem_device == 0x0131)
2266 		return false;
2267 
2268 	return true;
2269 }
2270 
2271 static uint16_t combios_check_dl_dvi(struct drm_device *dev, int is_dvi_d)
2272 {
2273 	struct radeon_device *rdev = dev->dev_private;
2274 	uint32_t ext_tmds_info;
2275 
2276 	if (rdev->flags & RADEON_IS_IGP) {
2277 		if (is_dvi_d)
2278 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2279 		else
2280 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2281 	}
2282 	ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2283 	if (ext_tmds_info) {
2284 		uint8_t rev = RBIOS8(ext_tmds_info);
2285 		uint8_t flags = RBIOS8(ext_tmds_info + 4 + 5);
2286 		if (rev >= 3) {
2287 			if (is_dvi_d)
2288 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2289 			else
2290 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2291 		} else {
2292 			if (flags & 1) {
2293 				if (is_dvi_d)
2294 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2295 				else
2296 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2297 			}
2298 		}
2299 	}
2300 	if (is_dvi_d)
2301 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2302 	else
2303 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2304 }
2305 
2306 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
2307 {
2308 	struct radeon_device *rdev = dev->dev_private;
2309 	uint32_t conn_info, entry, devices;
2310 	uint16_t tmp, connector_object_id;
2311 	enum radeon_combios_ddc ddc_type;
2312 	enum radeon_combios_connector connector;
2313 	int i = 0;
2314 	struct radeon_i2c_bus_rec ddc_i2c;
2315 	struct radeon_hpd hpd;
2316 
2317 	conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
2318 	if (conn_info) {
2319 		for (i = 0; i < 4; i++) {
2320 			entry = conn_info + 2 + i * 2;
2321 
2322 			if (!RBIOS16(entry))
2323 				break;
2324 
2325 			tmp = RBIOS16(entry);
2326 
2327 			connector = (tmp >> 12) & 0xf;
2328 
2329 			ddc_type = (tmp >> 8) & 0xf;
2330 			if (ddc_type == 5)
2331 				ddc_i2c = radeon_combios_get_i2c_info_from_table(rdev);
2332 			else
2333 				ddc_i2c = combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2334 
2335 			switch (connector) {
2336 			case CONNECTOR_PROPRIETARY_LEGACY:
2337 			case CONNECTOR_DVI_I_LEGACY:
2338 			case CONNECTOR_DVI_D_LEGACY:
2339 				if ((tmp >> 4) & 0x1)
2340 					hpd.hpd = RADEON_HPD_2;
2341 				else
2342 					hpd.hpd = RADEON_HPD_1;
2343 				break;
2344 			default:
2345 				hpd.hpd = RADEON_HPD_NONE;
2346 				break;
2347 			}
2348 
2349 			if (!radeon_apply_legacy_quirks(dev, i, &connector,
2350 							&ddc_i2c, &hpd))
2351 				continue;
2352 
2353 			switch (connector) {
2354 			case CONNECTOR_PROPRIETARY_LEGACY:
2355 				if ((tmp >> 4) & 0x1)
2356 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2357 				else
2358 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2359 				radeon_add_legacy_encoder(dev,
2360 							  radeon_get_encoder_enum
2361 							  (dev, devices, 0),
2362 							  devices);
2363 				radeon_add_legacy_connector(dev, i, devices,
2364 							    legacy_connector_convert
2365 							    [connector],
2366 							    &ddc_i2c,
2367 							    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
2368 							    &hpd);
2369 				break;
2370 			case CONNECTOR_CRT_LEGACY:
2371 				if (tmp & 0x1) {
2372 					devices = ATOM_DEVICE_CRT2_SUPPORT;
2373 					radeon_add_legacy_encoder(dev,
2374 								  radeon_get_encoder_enum
2375 								  (dev,
2376 								   ATOM_DEVICE_CRT2_SUPPORT,
2377 								   2),
2378 								  ATOM_DEVICE_CRT2_SUPPORT);
2379 				} else {
2380 					devices = ATOM_DEVICE_CRT1_SUPPORT;
2381 					radeon_add_legacy_encoder(dev,
2382 								  radeon_get_encoder_enum
2383 								  (dev,
2384 								   ATOM_DEVICE_CRT1_SUPPORT,
2385 								   1),
2386 								  ATOM_DEVICE_CRT1_SUPPORT);
2387 				}
2388 				radeon_add_legacy_connector(dev,
2389 							    i,
2390 							    devices,
2391 							    legacy_connector_convert
2392 							    [connector],
2393 							    &ddc_i2c,
2394 							    CONNECTOR_OBJECT_ID_VGA,
2395 							    &hpd);
2396 				break;
2397 			case CONNECTOR_DVI_I_LEGACY:
2398 				devices = 0;
2399 				if (tmp & 0x1) {
2400 					devices |= ATOM_DEVICE_CRT2_SUPPORT;
2401 					radeon_add_legacy_encoder(dev,
2402 								  radeon_get_encoder_enum
2403 								  (dev,
2404 								   ATOM_DEVICE_CRT2_SUPPORT,
2405 								   2),
2406 								  ATOM_DEVICE_CRT2_SUPPORT);
2407 				} else {
2408 					devices |= ATOM_DEVICE_CRT1_SUPPORT;
2409 					radeon_add_legacy_encoder(dev,
2410 								  radeon_get_encoder_enum
2411 								  (dev,
2412 								   ATOM_DEVICE_CRT1_SUPPORT,
2413 								   1),
2414 								  ATOM_DEVICE_CRT1_SUPPORT);
2415 				}
2416 				/* RV100 board with external TDMS bit mis-set.
2417 				 * Actually uses internal TMDS, clear the bit.
2418 				 */
2419 				if (rdev->pdev->device == 0x5159 &&
2420 				    rdev->pdev->subsystem_vendor == 0x1014 &&
2421 				    rdev->pdev->subsystem_device == 0x029A) {
2422 					tmp &= ~(1 << 4);
2423 				}
2424 				if ((tmp >> 4) & 0x1) {
2425 					devices |= ATOM_DEVICE_DFP2_SUPPORT;
2426 					radeon_add_legacy_encoder(dev,
2427 								  radeon_get_encoder_enum
2428 								  (dev,
2429 								   ATOM_DEVICE_DFP2_SUPPORT,
2430 								   0),
2431 								  ATOM_DEVICE_DFP2_SUPPORT);
2432 					connector_object_id = combios_check_dl_dvi(dev, 0);
2433 				} else {
2434 					devices |= ATOM_DEVICE_DFP1_SUPPORT;
2435 					radeon_add_legacy_encoder(dev,
2436 								  radeon_get_encoder_enum
2437 								  (dev,
2438 								   ATOM_DEVICE_DFP1_SUPPORT,
2439 								   0),
2440 								  ATOM_DEVICE_DFP1_SUPPORT);
2441 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2442 				}
2443 				radeon_add_legacy_connector(dev,
2444 							    i,
2445 							    devices,
2446 							    legacy_connector_convert
2447 							    [connector],
2448 							    &ddc_i2c,
2449 							    connector_object_id,
2450 							    &hpd);
2451 				break;
2452 			case CONNECTOR_DVI_D_LEGACY:
2453 				if ((tmp >> 4) & 0x1) {
2454 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2455 					connector_object_id = combios_check_dl_dvi(dev, 1);
2456 				} else {
2457 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2458 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2459 				}
2460 				radeon_add_legacy_encoder(dev,
2461 							  radeon_get_encoder_enum
2462 							  (dev, devices, 0),
2463 							  devices);
2464 				radeon_add_legacy_connector(dev, i, devices,
2465 							    legacy_connector_convert
2466 							    [connector],
2467 							    &ddc_i2c,
2468 							    connector_object_id,
2469 							    &hpd);
2470 				break;
2471 			case CONNECTOR_CTV_LEGACY:
2472 			case CONNECTOR_STV_LEGACY:
2473 				radeon_add_legacy_encoder(dev,
2474 							  radeon_get_encoder_enum
2475 							  (dev,
2476 							   ATOM_DEVICE_TV1_SUPPORT,
2477 							   2),
2478 							  ATOM_DEVICE_TV1_SUPPORT);
2479 				radeon_add_legacy_connector(dev, i,
2480 							    ATOM_DEVICE_TV1_SUPPORT,
2481 							    legacy_connector_convert
2482 							    [connector],
2483 							    &ddc_i2c,
2484 							    CONNECTOR_OBJECT_ID_SVIDEO,
2485 							    &hpd);
2486 				break;
2487 			default:
2488 				DRM_ERROR("Unknown connector type: %d\n",
2489 					  connector);
2490 				continue;
2491 			}
2492 
2493 		}
2494 	} else {
2495 		uint16_t tmds_info =
2496 		    combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
2497 		if (tmds_info) {
2498 			DRM_DEBUG_KMS("Found DFP table, assuming DVI connector\n");
2499 
2500 			radeon_add_legacy_encoder(dev,
2501 						  radeon_get_encoder_enum(dev,
2502 									ATOM_DEVICE_CRT1_SUPPORT,
2503 									1),
2504 						  ATOM_DEVICE_CRT1_SUPPORT);
2505 			radeon_add_legacy_encoder(dev,
2506 						  radeon_get_encoder_enum(dev,
2507 									ATOM_DEVICE_DFP1_SUPPORT,
2508 									0),
2509 						  ATOM_DEVICE_DFP1_SUPPORT);
2510 
2511 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2512 			hpd.hpd = RADEON_HPD_1;
2513 			radeon_add_legacy_connector(dev,
2514 						    0,
2515 						    ATOM_DEVICE_CRT1_SUPPORT |
2516 						    ATOM_DEVICE_DFP1_SUPPORT,
2517 						    DRM_MODE_CONNECTOR_DVII,
2518 						    &ddc_i2c,
2519 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2520 						    &hpd);
2521 		} else {
2522 			uint16_t crt_info =
2523 				combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
2524 			DRM_DEBUG_KMS("Found CRT table, assuming VGA connector\n");
2525 			if (crt_info) {
2526 				radeon_add_legacy_encoder(dev,
2527 							  radeon_get_encoder_enum(dev,
2528 										ATOM_DEVICE_CRT1_SUPPORT,
2529 										1),
2530 							  ATOM_DEVICE_CRT1_SUPPORT);
2531 				ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2532 				hpd.hpd = RADEON_HPD_NONE;
2533 				radeon_add_legacy_connector(dev,
2534 							    0,
2535 							    ATOM_DEVICE_CRT1_SUPPORT,
2536 							    DRM_MODE_CONNECTOR_VGA,
2537 							    &ddc_i2c,
2538 							    CONNECTOR_OBJECT_ID_VGA,
2539 							    &hpd);
2540 			} else {
2541 				DRM_DEBUG_KMS("No connector info found\n");
2542 				return false;
2543 			}
2544 		}
2545 	}
2546 
2547 	if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
2548 		uint16_t lcd_info =
2549 		    combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
2550 		if (lcd_info) {
2551 			uint16_t lcd_ddc_info =
2552 			    combios_get_table_offset(dev,
2553 						     COMBIOS_LCD_DDC_INFO_TABLE);
2554 
2555 			radeon_add_legacy_encoder(dev,
2556 						  radeon_get_encoder_enum(dev,
2557 									ATOM_DEVICE_LCD1_SUPPORT,
2558 									0),
2559 						  ATOM_DEVICE_LCD1_SUPPORT);
2560 
2561 			if (lcd_ddc_info) {
2562 				ddc_type = RBIOS8(lcd_ddc_info + 2);
2563 				switch (ddc_type) {
2564 				case DDC_LCD:
2565 					ddc_i2c =
2566 						combios_setup_i2c_bus(rdev,
2567 								      DDC_LCD,
2568 								      RBIOS32(lcd_ddc_info + 3),
2569 								      RBIOS32(lcd_ddc_info + 7));
2570 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2571 					break;
2572 				case DDC_GPIO:
2573 					ddc_i2c =
2574 						combios_setup_i2c_bus(rdev,
2575 								      DDC_GPIO,
2576 								      RBIOS32(lcd_ddc_info + 3),
2577 								      RBIOS32(lcd_ddc_info + 7));
2578 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2579 					break;
2580 				default:
2581 					ddc_i2c =
2582 						combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2583 					break;
2584 				}
2585 				DRM_DEBUG_KMS("LCD DDC Info Table found!\n");
2586 			} else
2587 				ddc_i2c.valid = false;
2588 
2589 			hpd.hpd = RADEON_HPD_NONE;
2590 			radeon_add_legacy_connector(dev,
2591 						    5,
2592 						    ATOM_DEVICE_LCD1_SUPPORT,
2593 						    DRM_MODE_CONNECTOR_LVDS,
2594 						    &ddc_i2c,
2595 						    CONNECTOR_OBJECT_ID_LVDS,
2596 						    &hpd);
2597 		}
2598 	}
2599 
2600 	/* check TV table */
2601 	if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
2602 		uint32_t tv_info =
2603 		    combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
2604 		if (tv_info) {
2605 			if (RBIOS8(tv_info + 6) == 'T') {
2606 				if (radeon_apply_legacy_tv_quirks(dev)) {
2607 					hpd.hpd = RADEON_HPD_NONE;
2608 					ddc_i2c.valid = false;
2609 					radeon_add_legacy_encoder(dev,
2610 								  radeon_get_encoder_enum
2611 								  (dev,
2612 								   ATOM_DEVICE_TV1_SUPPORT,
2613 								   2),
2614 								  ATOM_DEVICE_TV1_SUPPORT);
2615 					radeon_add_legacy_connector(dev, 6,
2616 								    ATOM_DEVICE_TV1_SUPPORT,
2617 								    DRM_MODE_CONNECTOR_SVIDEO,
2618 								    &ddc_i2c,
2619 								    CONNECTOR_OBJECT_ID_SVIDEO,
2620 								    &hpd);
2621 				}
2622 			}
2623 		}
2624 	}
2625 
2626 	radeon_link_encoder_connector(dev);
2627 
2628 	return true;
2629 }
2630 
2631 static const char *thermal_controller_names[] = {
2632 	"NONE",
2633 	"lm63",
2634 	"adm1032",
2635 };
2636 
2637 void radeon_combios_get_power_modes(struct radeon_device *rdev)
2638 {
2639 	struct drm_device *dev = rdev_to_drm(rdev);
2640 	u16 offset, misc, misc2 = 0;
2641 	u8 rev, tmp;
2642 	int state_index = 0;
2643 	struct radeon_i2c_bus_rec i2c_bus;
2644 
2645 	rdev->pm.default_power_state_index = -1;
2646 
2647 	/* allocate 2 power states */
2648 	rdev->pm.power_state = kcalloc(2, sizeof(struct radeon_power_state),
2649 				       GFP_KERNEL);
2650 	if (rdev->pm.power_state) {
2651 		/* allocate 1 clock mode per state */
2652 		rdev->pm.power_state[0].clock_info =
2653 			kcalloc(1, sizeof(struct radeon_pm_clock_info),
2654 				GFP_KERNEL);
2655 		rdev->pm.power_state[1].clock_info =
2656 			kcalloc(1, sizeof(struct radeon_pm_clock_info),
2657 				GFP_KERNEL);
2658 		if (!rdev->pm.power_state[0].clock_info ||
2659 		    !rdev->pm.power_state[1].clock_info)
2660 			goto pm_failed;
2661 	} else
2662 		goto pm_failed;
2663 
2664 	/* check for a thermal chip */
2665 	offset = combios_get_table_offset(dev, COMBIOS_OVERDRIVE_INFO_TABLE);
2666 	if (offset) {
2667 		u8 thermal_controller = 0, gpio = 0, i2c_addr = 0, clk_bit = 0, data_bit = 0;
2668 
2669 		rev = RBIOS8(offset);
2670 
2671 		if (rev == 0) {
2672 			thermal_controller = RBIOS8(offset + 3);
2673 			gpio = RBIOS8(offset + 4) & 0x3f;
2674 			i2c_addr = RBIOS8(offset + 5);
2675 		} else if (rev == 1) {
2676 			thermal_controller = RBIOS8(offset + 4);
2677 			gpio = RBIOS8(offset + 5) & 0x3f;
2678 			i2c_addr = RBIOS8(offset + 6);
2679 		} else if (rev == 2) {
2680 			thermal_controller = RBIOS8(offset + 4);
2681 			gpio = RBIOS8(offset + 5) & 0x3f;
2682 			i2c_addr = RBIOS8(offset + 6);
2683 			clk_bit = RBIOS8(offset + 0xa);
2684 			data_bit = RBIOS8(offset + 0xb);
2685 		}
2686 		if ((thermal_controller > 0) && (thermal_controller < 3)) {
2687 			DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2688 				 thermal_controller_names[thermal_controller],
2689 				 i2c_addr >> 1);
2690 			if (gpio == DDC_LCD) {
2691 				/* MM i2c */
2692 				i2c_bus.valid = true;
2693 				i2c_bus.hw_capable = true;
2694 				i2c_bus.mm_i2c = true;
2695 				i2c_bus.i2c_id = 0xa0;
2696 			} else if (gpio == DDC_GPIO)
2697 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 1 << clk_bit, 1 << data_bit);
2698 			else
2699 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
2700 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2701 			if (rdev->pm.i2c_bus) {
2702 				struct i2c_board_info info = { };
2703 				const char *name = thermal_controller_names[thermal_controller];
2704 				info.addr = i2c_addr >> 1;
2705 				strscpy(info.type, name, sizeof(info.type));
2706 				i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info);
2707 			}
2708 		}
2709 	} else {
2710 		/* boards with a thermal chip, but no overdrive table */
2711 
2712 		/* Asus 9600xt has an f75375 on the monid bus */
2713 		if ((rdev->pdev->device == 0x4152) &&
2714 		    (rdev->pdev->subsystem_vendor == 0x1043) &&
2715 		    (rdev->pdev->subsystem_device == 0xc002)) {
2716 			i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2717 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2718 			if (rdev->pm.i2c_bus) {
2719 				struct i2c_board_info info = { };
2720 				const char *name = "f75375";
2721 				info.addr = 0x28;
2722 				strscpy(info.type, name, sizeof(info.type));
2723 				i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info);
2724 				DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2725 					 name, info.addr);
2726 			}
2727 		}
2728 	}
2729 
2730 	if (rdev->flags & RADEON_IS_MOBILITY) {
2731 		offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
2732 		if (offset) {
2733 			rev = RBIOS8(offset);
2734 			/* power mode 0 tends to be the only valid one */
2735 			rdev->pm.power_state[state_index].num_clock_modes = 1;
2736 			rdev->pm.power_state[state_index].clock_info[0].mclk = RBIOS32(offset + 0x5 + 0x2);
2737 			rdev->pm.power_state[state_index].clock_info[0].sclk = RBIOS32(offset + 0x5 + 0x6);
2738 			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2739 			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2740 				goto default_mode;
2741 			rdev->pm.power_state[state_index].type =
2742 				POWER_STATE_TYPE_BATTERY;
2743 			misc = RBIOS16(offset + 0x5 + 0x0);
2744 			if (rev > 4)
2745 				misc2 = RBIOS16(offset + 0x5 + 0xe);
2746 			rdev->pm.power_state[state_index].misc = misc;
2747 			rdev->pm.power_state[state_index].misc2 = misc2;
2748 			if (misc & 0x4) {
2749 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
2750 				if (misc & 0x8)
2751 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2752 						true;
2753 				else
2754 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2755 						false;
2756 				rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = true;
2757 				if (rev < 6) {
2758 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2759 						RBIOS16(offset + 0x5 + 0xb) * 4;
2760 					tmp = RBIOS8(offset + 0x5 + 0xd);
2761 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2762 				} else {
2763 					u8 entries = RBIOS8(offset + 0x5 + 0xb);
2764 					u16 voltage_table_offset = RBIOS16(offset + 0x5 + 0xc);
2765 					if (entries && voltage_table_offset) {
2766 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2767 							RBIOS16(voltage_table_offset) * 4;
2768 						tmp = RBIOS8(voltage_table_offset + 0x2);
2769 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2770 					} else
2771 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = false;
2772 				}
2773 				switch ((misc2 & 0x700) >> 8) {
2774 				case 0:
2775 				default:
2776 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 0;
2777 					break;
2778 				case 1:
2779 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 33;
2780 					break;
2781 				case 2:
2782 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 66;
2783 					break;
2784 				case 3:
2785 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 99;
2786 					break;
2787 				case 4:
2788 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 132;
2789 					break;
2790 				}
2791 			} else
2792 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2793 			if (rev > 6)
2794 				rdev->pm.power_state[state_index].pcie_lanes =
2795 					RBIOS8(offset + 0x5 + 0x10);
2796 			rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2797 			state_index++;
2798 		} else {
2799 			/* XXX figure out some good default low power mode for mobility cards w/out power tables */
2800 		}
2801 	} else {
2802 		/* XXX figure out some good default low power mode for desktop cards */
2803 	}
2804 
2805 default_mode:
2806 	/* add the default mode */
2807 	rdev->pm.power_state[state_index].type =
2808 		POWER_STATE_TYPE_DEFAULT;
2809 	rdev->pm.power_state[state_index].num_clock_modes = 1;
2810 	rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
2811 	rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
2812 	rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
2813 	if ((state_index > 0) &&
2814 	    (rdev->pm.power_state[0].clock_info[0].voltage.type == VOLTAGE_GPIO))
2815 		rdev->pm.power_state[state_index].clock_info[0].voltage =
2816 			rdev->pm.power_state[0].clock_info[0].voltage;
2817 	else
2818 		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2819 	rdev->pm.power_state[state_index].pcie_lanes = 16;
2820 	rdev->pm.power_state[state_index].flags = 0;
2821 	rdev->pm.default_power_state_index = state_index;
2822 	rdev->pm.num_power_states = state_index + 1;
2823 
2824 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2825 	rdev->pm.current_clock_mode_index = 0;
2826 	return;
2827 
2828 pm_failed:
2829 	rdev->pm.default_power_state_index = state_index;
2830 	rdev->pm.num_power_states = 0;
2831 
2832 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2833 	rdev->pm.current_clock_mode_index = 0;
2834 }
2835 
2836 void radeon_external_tmds_setup(struct drm_encoder *encoder)
2837 {
2838 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2839 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2840 
2841 	if (!tmds)
2842 		return;
2843 
2844 	switch (tmds->dvo_chip) {
2845 	case DVO_SIL164:
2846 		/* sil 164 */
2847 		radeon_i2c_put_byte(tmds->i2c_bus,
2848 				    tmds->slave_addr,
2849 				    0x08, 0x30);
2850 		radeon_i2c_put_byte(tmds->i2c_bus,
2851 				       tmds->slave_addr,
2852 				       0x09, 0x00);
2853 		radeon_i2c_put_byte(tmds->i2c_bus,
2854 				    tmds->slave_addr,
2855 				    0x0a, 0x90);
2856 		radeon_i2c_put_byte(tmds->i2c_bus,
2857 				    tmds->slave_addr,
2858 				    0x0c, 0x89);
2859 		radeon_i2c_put_byte(tmds->i2c_bus,
2860 				       tmds->slave_addr,
2861 				       0x08, 0x3b);
2862 		break;
2863 	case DVO_SIL1178:
2864 		/* sil 1178 - untested */
2865 		/*
2866 		 * 0x0f, 0x44
2867 		 * 0x0f, 0x4c
2868 		 * 0x0e, 0x01
2869 		 * 0x0a, 0x80
2870 		 * 0x09, 0x30
2871 		 * 0x0c, 0xc9
2872 		 * 0x0d, 0x70
2873 		 * 0x08, 0x32
2874 		 * 0x08, 0x33
2875 		 */
2876 		break;
2877 	default:
2878 		break;
2879 	}
2880 
2881 }
2882 
2883 bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
2884 {
2885 	struct drm_device *dev = encoder->dev;
2886 	struct radeon_device *rdev = dev->dev_private;
2887 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2888 	uint16_t offset;
2889 	uint8_t blocks, slave_addr, rev;
2890 	uint32_t index, id;
2891 	uint32_t reg, val, and_mask, or_mask;
2892 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2893 
2894 	if (!tmds)
2895 		return false;
2896 
2897 	if (rdev->flags & RADEON_IS_IGP) {
2898 		offset = combios_get_table_offset(dev, COMBIOS_TMDS_POWER_ON_TABLE);
2899 		rev = RBIOS8(offset);
2900 		if (offset) {
2901 			rev = RBIOS8(offset);
2902 			if (rev > 1) {
2903 				blocks = RBIOS8(offset + 3);
2904 				index = offset + 4;
2905 				while (blocks > 0) {
2906 					id = RBIOS16(index);
2907 					index += 2;
2908 					switch (id >> 13) {
2909 					case 0:
2910 						reg = (id & 0x1fff) * 4;
2911 						val = RBIOS32(index);
2912 						index += 4;
2913 						WREG32(reg, val);
2914 						break;
2915 					case 2:
2916 						reg = (id & 0x1fff) * 4;
2917 						and_mask = RBIOS32(index);
2918 						index += 4;
2919 						or_mask = RBIOS32(index);
2920 						index += 4;
2921 						val = RREG32(reg);
2922 						val = (val & and_mask) | or_mask;
2923 						WREG32(reg, val);
2924 						break;
2925 					case 3:
2926 						val = RBIOS16(index);
2927 						index += 2;
2928 						udelay(val);
2929 						break;
2930 					case 4:
2931 						val = RBIOS16(index);
2932 						index += 2;
2933 						mdelay(val);
2934 						break;
2935 					case 6:
2936 						slave_addr = id & 0xff;
2937 						slave_addr >>= 1; /* 7 bit addressing */
2938 						index++;
2939 						reg = RBIOS8(index);
2940 						index++;
2941 						val = RBIOS8(index);
2942 						index++;
2943 						radeon_i2c_put_byte(tmds->i2c_bus,
2944 								    slave_addr,
2945 								    reg, val);
2946 						break;
2947 					default:
2948 						DRM_ERROR("Unknown id %d\n", id >> 13);
2949 						break;
2950 					}
2951 					blocks--;
2952 				}
2953 				return true;
2954 			}
2955 		}
2956 	} else {
2957 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2958 		if (offset) {
2959 			index = offset + 10;
2960 			id = RBIOS16(index);
2961 			while (id != 0xffff) {
2962 				index += 2;
2963 				switch (id >> 13) {
2964 				case 0:
2965 					reg = (id & 0x1fff) * 4;
2966 					val = RBIOS32(index);
2967 					WREG32(reg, val);
2968 					break;
2969 				case 2:
2970 					reg = (id & 0x1fff) * 4;
2971 					and_mask = RBIOS32(index);
2972 					index += 4;
2973 					or_mask = RBIOS32(index);
2974 					index += 4;
2975 					val = RREG32(reg);
2976 					val = (val & and_mask) | or_mask;
2977 					WREG32(reg, val);
2978 					break;
2979 				case 4:
2980 					val = RBIOS16(index);
2981 					index += 2;
2982 					udelay(val);
2983 					break;
2984 				case 5:
2985 					reg = id & 0x1fff;
2986 					and_mask = RBIOS32(index);
2987 					index += 4;
2988 					or_mask = RBIOS32(index);
2989 					index += 4;
2990 					val = RREG32_PLL(reg);
2991 					val = (val & and_mask) | or_mask;
2992 					WREG32_PLL(reg, val);
2993 					break;
2994 				case 6:
2995 					reg = id & 0x1fff;
2996 					val = RBIOS8(index);
2997 					index += 1;
2998 					radeon_i2c_put_byte(tmds->i2c_bus,
2999 							    tmds->slave_addr,
3000 							    reg, val);
3001 					break;
3002 				default:
3003 					DRM_ERROR("Unknown id %d\n", id >> 13);
3004 					break;
3005 				}
3006 				id = RBIOS16(index);
3007 			}
3008 			return true;
3009 		}
3010 	}
3011 	return false;
3012 }
3013 
3014 static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
3015 {
3016 	struct radeon_device *rdev = dev->dev_private;
3017 
3018 	if (offset) {
3019 		while (RBIOS16(offset)) {
3020 			uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
3021 			uint32_t addr = (RBIOS16(offset) & 0x1fff);
3022 			uint32_t val, and_mask, or_mask;
3023 			uint32_t tmp;
3024 
3025 			offset += 2;
3026 			switch (cmd) {
3027 			case 0:
3028 				val = RBIOS32(offset);
3029 				offset += 4;
3030 				WREG32(addr, val);
3031 				break;
3032 			case 1:
3033 				val = RBIOS32(offset);
3034 				offset += 4;
3035 				WREG32(addr, val);
3036 				break;
3037 			case 2:
3038 				and_mask = RBIOS32(offset);
3039 				offset += 4;
3040 				or_mask = RBIOS32(offset);
3041 				offset += 4;
3042 				tmp = RREG32(addr);
3043 				tmp &= and_mask;
3044 				tmp |= or_mask;
3045 				WREG32(addr, tmp);
3046 				break;
3047 			case 3:
3048 				and_mask = RBIOS32(offset);
3049 				offset += 4;
3050 				or_mask = RBIOS32(offset);
3051 				offset += 4;
3052 				tmp = RREG32(addr);
3053 				tmp &= and_mask;
3054 				tmp |= or_mask;
3055 				WREG32(addr, tmp);
3056 				break;
3057 			case 4:
3058 				val = RBIOS16(offset);
3059 				offset += 2;
3060 				udelay(val);
3061 				break;
3062 			case 5:
3063 				val = RBIOS16(offset);
3064 				offset += 2;
3065 				switch (addr) {
3066 				case 8:
3067 					while (val--) {
3068 						if (!
3069 						    (RREG32_PLL
3070 						     (RADEON_CLK_PWRMGT_CNTL) &
3071 						     RADEON_MC_BUSY))
3072 							break;
3073 					}
3074 					break;
3075 				case 9:
3076 					while (val--) {
3077 						if ((RREG32(RADEON_MC_STATUS) &
3078 						     RADEON_MC_IDLE))
3079 							break;
3080 					}
3081 					break;
3082 				default:
3083 					break;
3084 				}
3085 				break;
3086 			default:
3087 				break;
3088 			}
3089 		}
3090 	}
3091 }
3092 
3093 static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
3094 {
3095 	struct radeon_device *rdev = dev->dev_private;
3096 
3097 	if (offset) {
3098 		while (RBIOS8(offset)) {
3099 			uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
3100 			uint8_t addr = (RBIOS8(offset) & 0x3f);
3101 			uint32_t val, shift, tmp;
3102 			uint32_t and_mask, or_mask;
3103 
3104 			offset++;
3105 			switch (cmd) {
3106 			case 0:
3107 				val = RBIOS32(offset);
3108 				offset += 4;
3109 				WREG32_PLL(addr, val);
3110 				break;
3111 			case 1:
3112 				shift = RBIOS8(offset) * 8;
3113 				offset++;
3114 				and_mask = RBIOS8(offset) << shift;
3115 				and_mask |= ~(0xff << shift);
3116 				offset++;
3117 				or_mask = RBIOS8(offset) << shift;
3118 				offset++;
3119 				tmp = RREG32_PLL(addr);
3120 				tmp &= and_mask;
3121 				tmp |= or_mask;
3122 				WREG32_PLL(addr, tmp);
3123 				break;
3124 			case 2:
3125 			case 3:
3126 				tmp = 1000;
3127 				switch (addr) {
3128 				case 1:
3129 					udelay(150);
3130 					break;
3131 				case 2:
3132 					mdelay(1);
3133 					break;
3134 				case 3:
3135 					while (tmp--) {
3136 						if (!
3137 						    (RREG32_PLL
3138 						     (RADEON_CLK_PWRMGT_CNTL) &
3139 						     RADEON_MC_BUSY))
3140 							break;
3141 					}
3142 					break;
3143 				case 4:
3144 					while (tmp--) {
3145 						if (RREG32_PLL
3146 						    (RADEON_CLK_PWRMGT_CNTL) &
3147 						    RADEON_DLL_READY)
3148 							break;
3149 					}
3150 					break;
3151 				case 5:
3152 					tmp =
3153 					    RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
3154 					if (tmp & RADEON_CG_NO1_DEBUG_0) {
3155 #if 0
3156 						uint32_t mclk_cntl =
3157 						    RREG32_PLL
3158 						    (RADEON_MCLK_CNTL);
3159 						mclk_cntl &= 0xffff0000;
3160 						/*mclk_cntl |= 0x00001111;*//* ??? */
3161 						WREG32_PLL(RADEON_MCLK_CNTL,
3162 							   mclk_cntl);
3163 						mdelay(10);
3164 #endif
3165 						WREG32_PLL
3166 						    (RADEON_CLK_PWRMGT_CNTL,
3167 						     tmp &
3168 						     ~RADEON_CG_NO1_DEBUG_0);
3169 						mdelay(10);
3170 					}
3171 					break;
3172 				default:
3173 					break;
3174 				}
3175 				break;
3176 			default:
3177 				break;
3178 			}
3179 		}
3180 	}
3181 }
3182 
3183 static void combios_parse_ram_reset_table(struct drm_device *dev,
3184 					  uint16_t offset)
3185 {
3186 	struct radeon_device *rdev = dev->dev_private;
3187 	uint32_t tmp;
3188 
3189 	if (offset) {
3190 		uint8_t val = RBIOS8(offset);
3191 		while (val != 0xff) {
3192 			offset++;
3193 
3194 			if (val == 0x0f) {
3195 				uint32_t channel_complete_mask;
3196 
3197 				if (ASIC_IS_R300(rdev))
3198 					channel_complete_mask =
3199 					    R300_MEM_PWRUP_COMPLETE;
3200 				else
3201 					channel_complete_mask =
3202 					    RADEON_MEM_PWRUP_COMPLETE;
3203 				tmp = 20000;
3204 				while (tmp--) {
3205 					if ((RREG32(RADEON_MEM_STR_CNTL) &
3206 					     channel_complete_mask) ==
3207 					    channel_complete_mask)
3208 						break;
3209 				}
3210 			} else {
3211 				uint32_t or_mask = RBIOS16(offset);
3212 				offset += 2;
3213 
3214 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3215 				tmp &= RADEON_SDRAM_MODE_MASK;
3216 				tmp |= or_mask;
3217 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3218 
3219 				or_mask = val << 24;
3220 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3221 				tmp &= RADEON_B3MEM_RESET_MASK;
3222 				tmp |= or_mask;
3223 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3224 			}
3225 			val = RBIOS8(offset);
3226 		}
3227 	}
3228 }
3229 
3230 static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
3231 				   int mem_addr_mapping)
3232 {
3233 	struct radeon_device *rdev = dev->dev_private;
3234 	uint32_t mem_cntl;
3235 	uint32_t mem_size;
3236 	uint32_t addr = 0;
3237 
3238 	mem_cntl = RREG32(RADEON_MEM_CNTL);
3239 	if (mem_cntl & RV100_HALF_MODE)
3240 		ram /= 2;
3241 	mem_size = ram;
3242 	mem_cntl &= ~(0xff << 8);
3243 	mem_cntl |= (mem_addr_mapping & 0xff) << 8;
3244 	WREG32(RADEON_MEM_CNTL, mem_cntl);
3245 	RREG32(RADEON_MEM_CNTL);
3246 
3247 	/* sdram reset ? */
3248 
3249 	/* something like this????  */
3250 	while (ram--) {
3251 		addr = ram * 1024 * 1024;
3252 		/* write to each page */
3253 		WREG32_IDX((addr) | RADEON_MM_APER, 0xdeadbeef);
3254 		/* read back and verify */
3255 		if (RREG32_IDX((addr) | RADEON_MM_APER) != 0xdeadbeef)
3256 			return 0;
3257 	}
3258 
3259 	return mem_size;
3260 }
3261 
3262 static void combios_write_ram_size(struct drm_device *dev)
3263 {
3264 	struct radeon_device *rdev = dev->dev_private;
3265 	uint8_t rev;
3266 	uint16_t offset;
3267 	uint32_t mem_size = 0;
3268 	uint32_t mem_cntl = 0;
3269 
3270 	/* should do something smarter here I guess... */
3271 	if (rdev->flags & RADEON_IS_IGP)
3272 		return;
3273 
3274 	/* first check detected mem table */
3275 	offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
3276 	if (offset) {
3277 		rev = RBIOS8(offset);
3278 		if (rev < 3) {
3279 			mem_cntl = RBIOS32(offset + 1);
3280 			mem_size = RBIOS16(offset + 5);
3281 			if ((rdev->family < CHIP_R200) &&
3282 			    !ASIC_IS_RN50(rdev))
3283 				WREG32(RADEON_MEM_CNTL, mem_cntl);
3284 		}
3285 	}
3286 
3287 	if (!mem_size) {
3288 		offset =
3289 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
3290 		if (offset) {
3291 			rev = RBIOS8(offset - 1);
3292 			if (rev < 1) {
3293 				if ((rdev->family < CHIP_R200)
3294 				    && !ASIC_IS_RN50(rdev)) {
3295 					int ram = 0;
3296 					int mem_addr_mapping = 0;
3297 
3298 					while (RBIOS8(offset)) {
3299 						ram = RBIOS8(offset);
3300 						mem_addr_mapping =
3301 						    RBIOS8(offset + 1);
3302 						if (mem_addr_mapping != 0x25)
3303 							ram *= 2;
3304 						mem_size =
3305 						    combios_detect_ram(dev, ram,
3306 								       mem_addr_mapping);
3307 						if (mem_size)
3308 							break;
3309 						offset += 2;
3310 					}
3311 				} else
3312 					mem_size = RBIOS8(offset);
3313 			} else {
3314 				mem_size = RBIOS8(offset);
3315 				mem_size *= 2;	/* convert to MB */
3316 			}
3317 		}
3318 	}
3319 
3320 	mem_size *= (1024 * 1024);	/* convert to bytes */
3321 	WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
3322 }
3323 
3324 void radeon_combios_asic_init(struct drm_device *dev)
3325 {
3326 	struct radeon_device *rdev = dev->dev_private;
3327 	uint16_t table;
3328 
3329 	/* port hardcoded mac stuff from radeonfb */
3330 	if (rdev->bios == NULL)
3331 		return;
3332 
3333 	/* ASIC INIT 1 */
3334 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE);
3335 	if (table)
3336 		combios_parse_mmio_table(dev, table);
3337 
3338 	/* PLL INIT */
3339 	table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE);
3340 	if (table)
3341 		combios_parse_pll_table(dev, table);
3342 
3343 	/* ASIC INIT 2 */
3344 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE);
3345 	if (table)
3346 		combios_parse_mmio_table(dev, table);
3347 
3348 	if (!(rdev->flags & RADEON_IS_IGP)) {
3349 		/* ASIC INIT 4 */
3350 		table =
3351 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE);
3352 		if (table)
3353 			combios_parse_mmio_table(dev, table);
3354 
3355 		/* RAM RESET */
3356 		table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE);
3357 		if (table)
3358 			combios_parse_ram_reset_table(dev, table);
3359 
3360 		/* ASIC INIT 3 */
3361 		table =
3362 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE);
3363 		if (table)
3364 			combios_parse_mmio_table(dev, table);
3365 
3366 		/* write CONFIG_MEMSIZE */
3367 		combios_write_ram_size(dev);
3368 	}
3369 
3370 	/* quirk for rs4xx HP nx6125 laptop to make it resume
3371 	 * - it hangs on resume inside the dynclk 1 table.
3372 	 */
3373 	if (rdev->family == CHIP_RS480 &&
3374 	    rdev->pdev->subsystem_vendor == 0x103c &&
3375 	    rdev->pdev->subsystem_device == 0x308b)
3376 		return;
3377 
3378 	/* quirk for rs4xx HP dv5000 laptop to make it resume
3379 	 * - it hangs on resume inside the dynclk 1 table.
3380 	 */
3381 	if (rdev->family == CHIP_RS480 &&
3382 	    rdev->pdev->subsystem_vendor == 0x103c &&
3383 	    rdev->pdev->subsystem_device == 0x30a4)
3384 		return;
3385 
3386 	/* quirk for rs4xx Compaq Presario V5245EU laptop to make it resume
3387 	 * - it hangs on resume inside the dynclk 1 table.
3388 	 */
3389 	if (rdev->family == CHIP_RS480 &&
3390 	    rdev->pdev->subsystem_vendor == 0x103c &&
3391 	    rdev->pdev->subsystem_device == 0x30ae)
3392 		return;
3393 
3394 	/* quirk for rs4xx HP Compaq dc5750 Small Form Factor to make it resume
3395 	 * - it hangs on resume inside the dynclk 1 table.
3396 	 */
3397 	if (rdev->family == CHIP_RS480 &&
3398 	    rdev->pdev->subsystem_vendor == 0x103c &&
3399 	    rdev->pdev->subsystem_device == 0x280a)
3400 		return;
3401 	/* quirk for rs4xx Toshiba Sattellite L20-183 latop to make it resume
3402 	 * - it hangs on resume inside the dynclk 1 table.
3403 	 */
3404 	if (rdev->family == CHIP_RS400 &&
3405 	    rdev->pdev->subsystem_vendor == 0x1179 &&
3406 	    rdev->pdev->subsystem_device == 0xff31)
3407 	        return;
3408 
3409 	/* DYN CLK 1 */
3410 	table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3411 	if (table)
3412 		combios_parse_pll_table(dev, table);
3413 
3414 }
3415 
3416 void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
3417 {
3418 	struct radeon_device *rdev = dev->dev_private;
3419 	uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
3420 
3421 	bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
3422 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3423 	bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
3424 
3425 	/* let the bios control the backlight */
3426 	bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
3427 
3428 	/* tell the bios not to handle mode switching */
3429 	bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
3430 			   RADEON_ACC_MODE_CHANGE);
3431 
3432 	/* tell the bios a driver is loaded */
3433 	bios_7_scratch |= RADEON_DRV_LOADED;
3434 
3435 	WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
3436 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3437 	WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
3438 }
3439 
3440 void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
3441 {
3442 	struct drm_device *dev = encoder->dev;
3443 	struct radeon_device *rdev = dev->dev_private;
3444 	uint32_t bios_6_scratch;
3445 
3446 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3447 
3448 	if (lock)
3449 		bios_6_scratch |= RADEON_DRIVER_CRITICAL;
3450 	else
3451 		bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
3452 
3453 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3454 }
3455 
3456 void
3457 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
3458 				      struct drm_encoder *encoder,
3459 				      bool connected)
3460 {
3461 	struct drm_device *dev = connector->dev;
3462 	struct radeon_device *rdev = dev->dev_private;
3463 	struct radeon_connector *radeon_connector =
3464 	    to_radeon_connector(connector);
3465 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3466 	uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
3467 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3468 
3469 	if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
3470 	    (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
3471 		if (connected) {
3472 			DRM_DEBUG_KMS("TV1 connected\n");
3473 			/* fix me */
3474 			bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
3475 			/*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
3476 			bios_5_scratch |= RADEON_TV1_ON;
3477 			bios_5_scratch |= RADEON_ACC_REQ_TV1;
3478 		} else {
3479 			DRM_DEBUG_KMS("TV1 disconnected\n");
3480 			bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
3481 			bios_5_scratch &= ~RADEON_TV1_ON;
3482 			bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
3483 		}
3484 	}
3485 	if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
3486 	    (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
3487 		if (connected) {
3488 			DRM_DEBUG_KMS("LCD1 connected\n");
3489 			bios_4_scratch |= RADEON_LCD1_ATTACHED;
3490 			bios_5_scratch |= RADEON_LCD1_ON;
3491 			bios_5_scratch |= RADEON_ACC_REQ_LCD1;
3492 		} else {
3493 			DRM_DEBUG_KMS("LCD1 disconnected\n");
3494 			bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
3495 			bios_5_scratch &= ~RADEON_LCD1_ON;
3496 			bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
3497 		}
3498 	}
3499 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
3500 	    (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
3501 		if (connected) {
3502 			DRM_DEBUG_KMS("CRT1 connected\n");
3503 			bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
3504 			bios_5_scratch |= RADEON_CRT1_ON;
3505 			bios_5_scratch |= RADEON_ACC_REQ_CRT1;
3506 		} else {
3507 			DRM_DEBUG_KMS("CRT1 disconnected\n");
3508 			bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
3509 			bios_5_scratch &= ~RADEON_CRT1_ON;
3510 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
3511 		}
3512 	}
3513 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
3514 	    (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
3515 		if (connected) {
3516 			DRM_DEBUG_KMS("CRT2 connected\n");
3517 			bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
3518 			bios_5_scratch |= RADEON_CRT2_ON;
3519 			bios_5_scratch |= RADEON_ACC_REQ_CRT2;
3520 		} else {
3521 			DRM_DEBUG_KMS("CRT2 disconnected\n");
3522 			bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
3523 			bios_5_scratch &= ~RADEON_CRT2_ON;
3524 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
3525 		}
3526 	}
3527 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
3528 	    (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
3529 		if (connected) {
3530 			DRM_DEBUG_KMS("DFP1 connected\n");
3531 			bios_4_scratch |= RADEON_DFP1_ATTACHED;
3532 			bios_5_scratch |= RADEON_DFP1_ON;
3533 			bios_5_scratch |= RADEON_ACC_REQ_DFP1;
3534 		} else {
3535 			DRM_DEBUG_KMS("DFP1 disconnected\n");
3536 			bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
3537 			bios_5_scratch &= ~RADEON_DFP1_ON;
3538 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
3539 		}
3540 	}
3541 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
3542 	    (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
3543 		if (connected) {
3544 			DRM_DEBUG_KMS("DFP2 connected\n");
3545 			bios_4_scratch |= RADEON_DFP2_ATTACHED;
3546 			bios_5_scratch |= RADEON_DFP2_ON;
3547 			bios_5_scratch |= RADEON_ACC_REQ_DFP2;
3548 		} else {
3549 			DRM_DEBUG_KMS("DFP2 disconnected\n");
3550 			bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
3551 			bios_5_scratch &= ~RADEON_DFP2_ON;
3552 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
3553 		}
3554 	}
3555 	WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
3556 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3557 }
3558 
3559 void
3560 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
3561 {
3562 	struct drm_device *dev = encoder->dev;
3563 	struct radeon_device *rdev = dev->dev_private;
3564 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3565 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3566 
3567 	if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
3568 		bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
3569 		bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
3570 	}
3571 	if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
3572 		bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
3573 		bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
3574 	}
3575 	if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
3576 		bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
3577 		bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
3578 	}
3579 	if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
3580 		bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
3581 		bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
3582 	}
3583 	if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
3584 		bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
3585 		bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
3586 	}
3587 	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
3588 		bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
3589 		bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
3590 	}
3591 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3592 }
3593 
3594 void
3595 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
3596 {
3597 	struct drm_device *dev = encoder->dev;
3598 	struct radeon_device *rdev = dev->dev_private;
3599 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3600 	uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3601 
3602 	if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
3603 		if (on)
3604 			bios_6_scratch |= RADEON_TV_DPMS_ON;
3605 		else
3606 			bios_6_scratch &= ~RADEON_TV_DPMS_ON;
3607 	}
3608 	if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3609 		if (on)
3610 			bios_6_scratch |= RADEON_CRT_DPMS_ON;
3611 		else
3612 			bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
3613 	}
3614 	if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3615 		if (on)
3616 			bios_6_scratch |= RADEON_LCD_DPMS_ON;
3617 		else
3618 			bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
3619 	}
3620 	if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
3621 		if (on)
3622 			bios_6_scratch |= RADEON_DFP_DPMS_ON;
3623 		else
3624 			bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
3625 	}
3626 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3627 }
3628