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 #include "drmP.h"
28 #include "radeon_drm.h"
29 #include "radeon.h"
30 #include "atom.h"
31 
32 #ifdef CONFIG_PPC_PMAC
33 /* not sure which of these are needed */
34 #include <asm/machdep.h>
35 #include <asm/pmac_feature.h>
36 #include <asm/prom.h>
37 #include <asm/pci-bridge.h>
38 #endif /* CONFIG_PPC_PMAC */
39 
40 /* from radeon_encoder.c */
41 extern uint32_t
42 radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device,
43 			uint8_t dac);
44 extern void radeon_link_encoder_connector(struct drm_device *dev);
45 
46 /* from radeon_connector.c */
47 extern void
48 radeon_add_legacy_connector(struct drm_device *dev,
49 			    uint32_t connector_id,
50 			    uint32_t supported_device,
51 			    int connector_type,
52 			    struct radeon_i2c_bus_rec *i2c_bus,
53 			    uint16_t connector_object_id,
54 			    struct radeon_hpd *hpd);
55 
56 /* from radeon_legacy_encoder.c */
57 extern void
58 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum,
59 			  uint32_t supported_device);
60 
61 /* old legacy ATI BIOS routines */
62 
63 /* COMBIOS table offsets */
64 enum radeon_combios_table_offset {
65 	/* absolute offset tables */
66 	COMBIOS_ASIC_INIT_1_TABLE,
67 	COMBIOS_BIOS_SUPPORT_TABLE,
68 	COMBIOS_DAC_PROGRAMMING_TABLE,
69 	COMBIOS_MAX_COLOR_DEPTH_TABLE,
70 	COMBIOS_CRTC_INFO_TABLE,
71 	COMBIOS_PLL_INFO_TABLE,
72 	COMBIOS_TV_INFO_TABLE,
73 	COMBIOS_DFP_INFO_TABLE,
74 	COMBIOS_HW_CONFIG_INFO_TABLE,
75 	COMBIOS_MULTIMEDIA_INFO_TABLE,
76 	COMBIOS_TV_STD_PATCH_TABLE,
77 	COMBIOS_LCD_INFO_TABLE,
78 	COMBIOS_MOBILE_INFO_TABLE,
79 	COMBIOS_PLL_INIT_TABLE,
80 	COMBIOS_MEM_CONFIG_TABLE,
81 	COMBIOS_SAVE_MASK_TABLE,
82 	COMBIOS_HARDCODED_EDID_TABLE,
83 	COMBIOS_ASIC_INIT_2_TABLE,
84 	COMBIOS_CONNECTOR_INFO_TABLE,
85 	COMBIOS_DYN_CLK_1_TABLE,
86 	COMBIOS_RESERVED_MEM_TABLE,
87 	COMBIOS_EXT_TMDS_INFO_TABLE,
88 	COMBIOS_MEM_CLK_INFO_TABLE,
89 	COMBIOS_EXT_DAC_INFO_TABLE,
90 	COMBIOS_MISC_INFO_TABLE,
91 	COMBIOS_CRT_INFO_TABLE,
92 	COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE,
93 	COMBIOS_COMPONENT_VIDEO_INFO_TABLE,
94 	COMBIOS_FAN_SPEED_INFO_TABLE,
95 	COMBIOS_OVERDRIVE_INFO_TABLE,
96 	COMBIOS_OEM_INFO_TABLE,
97 	COMBIOS_DYN_CLK_2_TABLE,
98 	COMBIOS_POWER_CONNECTOR_INFO_TABLE,
99 	COMBIOS_I2C_INFO_TABLE,
100 	/* relative offset tables */
101 	COMBIOS_ASIC_INIT_3_TABLE,	/* offset from misc info */
102 	COMBIOS_ASIC_INIT_4_TABLE,	/* offset from misc info */
103 	COMBIOS_DETECTED_MEM_TABLE,	/* offset from misc info */
104 	COMBIOS_ASIC_INIT_5_TABLE,	/* offset from misc info */
105 	COMBIOS_RAM_RESET_TABLE,	/* offset from mem config */
106 	COMBIOS_POWERPLAY_INFO_TABLE,	/* offset from mobile info */
107 	COMBIOS_GPIO_INFO_TABLE,	/* offset from mobile info */
108 	COMBIOS_LCD_DDC_INFO_TABLE,	/* offset from mobile info */
109 	COMBIOS_TMDS_POWER_TABLE,	/* offset from mobile info */
110 	COMBIOS_TMDS_POWER_ON_TABLE,	/* offset from tmds power */
111 	COMBIOS_TMDS_POWER_OFF_TABLE,	/* offset from tmds power */
112 };
113 
114 enum radeon_combios_ddc {
115 	DDC_NONE_DETECTED,
116 	DDC_MONID,
117 	DDC_DVI,
118 	DDC_VGA,
119 	DDC_CRT2,
120 	DDC_LCD,
121 	DDC_GPIO,
122 };
123 
124 enum radeon_combios_connector {
125 	CONNECTOR_NONE_LEGACY,
126 	CONNECTOR_PROPRIETARY_LEGACY,
127 	CONNECTOR_CRT_LEGACY,
128 	CONNECTOR_DVI_I_LEGACY,
129 	CONNECTOR_DVI_D_LEGACY,
130 	CONNECTOR_CTV_LEGACY,
131 	CONNECTOR_STV_LEGACY,
132 	CONNECTOR_UNSUPPORTED_LEGACY
133 };
134 
135 const int legacy_connector_convert[] = {
136 	DRM_MODE_CONNECTOR_Unknown,
137 	DRM_MODE_CONNECTOR_DVID,
138 	DRM_MODE_CONNECTOR_VGA,
139 	DRM_MODE_CONNECTOR_DVII,
140 	DRM_MODE_CONNECTOR_DVID,
141 	DRM_MODE_CONNECTOR_Composite,
142 	DRM_MODE_CONNECTOR_SVIDEO,
143 	DRM_MODE_CONNECTOR_Unknown,
144 };
145 
146 static uint16_t combios_get_table_offset(struct drm_device *dev,
147 					 enum radeon_combios_table_offset table)
148 {
149 	struct radeon_device *rdev = dev->dev_private;
150 	int rev;
151 	uint16_t offset = 0, check_offset;
152 
153 	if (!rdev->bios)
154 		return 0;
155 
156 	switch (table) {
157 		/* absolute offset tables */
158 	case COMBIOS_ASIC_INIT_1_TABLE:
159 		check_offset = RBIOS16(rdev->bios_header_start + 0xc);
160 		if (check_offset)
161 			offset = check_offset;
162 		break;
163 	case COMBIOS_BIOS_SUPPORT_TABLE:
164 		check_offset = RBIOS16(rdev->bios_header_start + 0x14);
165 		if (check_offset)
166 			offset = check_offset;
167 		break;
168 	case COMBIOS_DAC_PROGRAMMING_TABLE:
169 		check_offset = RBIOS16(rdev->bios_header_start + 0x2a);
170 		if (check_offset)
171 			offset = check_offset;
172 		break;
173 	case COMBIOS_MAX_COLOR_DEPTH_TABLE:
174 		check_offset = RBIOS16(rdev->bios_header_start + 0x2c);
175 		if (check_offset)
176 			offset = check_offset;
177 		break;
178 	case COMBIOS_CRTC_INFO_TABLE:
179 		check_offset = RBIOS16(rdev->bios_header_start + 0x2e);
180 		if (check_offset)
181 			offset = check_offset;
182 		break;
183 	case COMBIOS_PLL_INFO_TABLE:
184 		check_offset = RBIOS16(rdev->bios_header_start + 0x30);
185 		if (check_offset)
186 			offset = check_offset;
187 		break;
188 	case COMBIOS_TV_INFO_TABLE:
189 		check_offset = RBIOS16(rdev->bios_header_start + 0x32);
190 		if (check_offset)
191 			offset = check_offset;
192 		break;
193 	case COMBIOS_DFP_INFO_TABLE:
194 		check_offset = RBIOS16(rdev->bios_header_start + 0x34);
195 		if (check_offset)
196 			offset = check_offset;
197 		break;
198 	case COMBIOS_HW_CONFIG_INFO_TABLE:
199 		check_offset = RBIOS16(rdev->bios_header_start + 0x36);
200 		if (check_offset)
201 			offset = check_offset;
202 		break;
203 	case COMBIOS_MULTIMEDIA_INFO_TABLE:
204 		check_offset = RBIOS16(rdev->bios_header_start + 0x38);
205 		if (check_offset)
206 			offset = check_offset;
207 		break;
208 	case COMBIOS_TV_STD_PATCH_TABLE:
209 		check_offset = RBIOS16(rdev->bios_header_start + 0x3e);
210 		if (check_offset)
211 			offset = check_offset;
212 		break;
213 	case COMBIOS_LCD_INFO_TABLE:
214 		check_offset = RBIOS16(rdev->bios_header_start + 0x40);
215 		if (check_offset)
216 			offset = check_offset;
217 		break;
218 	case COMBIOS_MOBILE_INFO_TABLE:
219 		check_offset = RBIOS16(rdev->bios_header_start + 0x42);
220 		if (check_offset)
221 			offset = check_offset;
222 		break;
223 	case COMBIOS_PLL_INIT_TABLE:
224 		check_offset = RBIOS16(rdev->bios_header_start + 0x46);
225 		if (check_offset)
226 			offset = check_offset;
227 		break;
228 	case COMBIOS_MEM_CONFIG_TABLE:
229 		check_offset = RBIOS16(rdev->bios_header_start + 0x48);
230 		if (check_offset)
231 			offset = check_offset;
232 		break;
233 	case COMBIOS_SAVE_MASK_TABLE:
234 		check_offset = RBIOS16(rdev->bios_header_start + 0x4a);
235 		if (check_offset)
236 			offset = check_offset;
237 		break;
238 	case COMBIOS_HARDCODED_EDID_TABLE:
239 		check_offset = RBIOS16(rdev->bios_header_start + 0x4c);
240 		if (check_offset)
241 			offset = check_offset;
242 		break;
243 	case COMBIOS_ASIC_INIT_2_TABLE:
244 		check_offset = RBIOS16(rdev->bios_header_start + 0x4e);
245 		if (check_offset)
246 			offset = check_offset;
247 		break;
248 	case COMBIOS_CONNECTOR_INFO_TABLE:
249 		check_offset = RBIOS16(rdev->bios_header_start + 0x50);
250 		if (check_offset)
251 			offset = check_offset;
252 		break;
253 	case COMBIOS_DYN_CLK_1_TABLE:
254 		check_offset = RBIOS16(rdev->bios_header_start + 0x52);
255 		if (check_offset)
256 			offset = check_offset;
257 		break;
258 	case COMBIOS_RESERVED_MEM_TABLE:
259 		check_offset = RBIOS16(rdev->bios_header_start + 0x54);
260 		if (check_offset)
261 			offset = check_offset;
262 		break;
263 	case COMBIOS_EXT_TMDS_INFO_TABLE:
264 		check_offset = RBIOS16(rdev->bios_header_start + 0x58);
265 		if (check_offset)
266 			offset = check_offset;
267 		break;
268 	case COMBIOS_MEM_CLK_INFO_TABLE:
269 		check_offset = RBIOS16(rdev->bios_header_start + 0x5a);
270 		if (check_offset)
271 			offset = check_offset;
272 		break;
273 	case COMBIOS_EXT_DAC_INFO_TABLE:
274 		check_offset = RBIOS16(rdev->bios_header_start + 0x5c);
275 		if (check_offset)
276 			offset = check_offset;
277 		break;
278 	case COMBIOS_MISC_INFO_TABLE:
279 		check_offset = RBIOS16(rdev->bios_header_start + 0x5e);
280 		if (check_offset)
281 			offset = check_offset;
282 		break;
283 	case COMBIOS_CRT_INFO_TABLE:
284 		check_offset = RBIOS16(rdev->bios_header_start + 0x60);
285 		if (check_offset)
286 			offset = check_offset;
287 		break;
288 	case COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE:
289 		check_offset = RBIOS16(rdev->bios_header_start + 0x62);
290 		if (check_offset)
291 			offset = check_offset;
292 		break;
293 	case COMBIOS_COMPONENT_VIDEO_INFO_TABLE:
294 		check_offset = RBIOS16(rdev->bios_header_start + 0x64);
295 		if (check_offset)
296 			offset = check_offset;
297 		break;
298 	case COMBIOS_FAN_SPEED_INFO_TABLE:
299 		check_offset = RBIOS16(rdev->bios_header_start + 0x66);
300 		if (check_offset)
301 			offset = check_offset;
302 		break;
303 	case COMBIOS_OVERDRIVE_INFO_TABLE:
304 		check_offset = RBIOS16(rdev->bios_header_start + 0x68);
305 		if (check_offset)
306 			offset = check_offset;
307 		break;
308 	case COMBIOS_OEM_INFO_TABLE:
309 		check_offset = RBIOS16(rdev->bios_header_start + 0x6a);
310 		if (check_offset)
311 			offset = check_offset;
312 		break;
313 	case COMBIOS_DYN_CLK_2_TABLE:
314 		check_offset = RBIOS16(rdev->bios_header_start + 0x6c);
315 		if (check_offset)
316 			offset = check_offset;
317 		break;
318 	case COMBIOS_POWER_CONNECTOR_INFO_TABLE:
319 		check_offset = RBIOS16(rdev->bios_header_start + 0x6e);
320 		if (check_offset)
321 			offset = check_offset;
322 		break;
323 	case COMBIOS_I2C_INFO_TABLE:
324 		check_offset = RBIOS16(rdev->bios_header_start + 0x70);
325 		if (check_offset)
326 			offset = check_offset;
327 		break;
328 		/* relative offset tables */
329 	case COMBIOS_ASIC_INIT_3_TABLE:	/* offset from misc info */
330 		check_offset =
331 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
332 		if (check_offset) {
333 			rev = RBIOS8(check_offset);
334 			if (rev > 0) {
335 				check_offset = RBIOS16(check_offset + 0x3);
336 				if (check_offset)
337 					offset = check_offset;
338 			}
339 		}
340 		break;
341 	case COMBIOS_ASIC_INIT_4_TABLE:	/* offset from misc info */
342 		check_offset =
343 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
344 		if (check_offset) {
345 			rev = RBIOS8(check_offset);
346 			if (rev > 0) {
347 				check_offset = RBIOS16(check_offset + 0x5);
348 				if (check_offset)
349 					offset = check_offset;
350 			}
351 		}
352 		break;
353 	case COMBIOS_DETECTED_MEM_TABLE:	/* offset from misc info */
354 		check_offset =
355 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
356 		if (check_offset) {
357 			rev = RBIOS8(check_offset);
358 			if (rev > 0) {
359 				check_offset = RBIOS16(check_offset + 0x7);
360 				if (check_offset)
361 					offset = check_offset;
362 			}
363 		}
364 		break;
365 	case COMBIOS_ASIC_INIT_5_TABLE:	/* offset from misc info */
366 		check_offset =
367 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
368 		if (check_offset) {
369 			rev = RBIOS8(check_offset);
370 			if (rev == 2) {
371 				check_offset = RBIOS16(check_offset + 0x9);
372 				if (check_offset)
373 					offset = check_offset;
374 			}
375 		}
376 		break;
377 	case COMBIOS_RAM_RESET_TABLE:	/* offset from mem config */
378 		check_offset =
379 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
380 		if (check_offset) {
381 			while (RBIOS8(check_offset++));
382 			check_offset += 2;
383 			if (check_offset)
384 				offset = check_offset;
385 		}
386 		break;
387 	case COMBIOS_POWERPLAY_INFO_TABLE:	/* offset from mobile info */
388 		check_offset =
389 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
390 		if (check_offset) {
391 			check_offset = RBIOS16(check_offset + 0x11);
392 			if (check_offset)
393 				offset = check_offset;
394 		}
395 		break;
396 	case COMBIOS_GPIO_INFO_TABLE:	/* offset from mobile info */
397 		check_offset =
398 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
399 		if (check_offset) {
400 			check_offset = RBIOS16(check_offset + 0x13);
401 			if (check_offset)
402 				offset = check_offset;
403 		}
404 		break;
405 	case COMBIOS_LCD_DDC_INFO_TABLE:	/* offset from mobile info */
406 		check_offset =
407 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
408 		if (check_offset) {
409 			check_offset = RBIOS16(check_offset + 0x15);
410 			if (check_offset)
411 				offset = check_offset;
412 		}
413 		break;
414 	case COMBIOS_TMDS_POWER_TABLE:	/* offset from mobile info */
415 		check_offset =
416 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
417 		if (check_offset) {
418 			check_offset = RBIOS16(check_offset + 0x17);
419 			if (check_offset)
420 				offset = check_offset;
421 		}
422 		break;
423 	case COMBIOS_TMDS_POWER_ON_TABLE:	/* offset from tmds power */
424 		check_offset =
425 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
426 		if (check_offset) {
427 			check_offset = RBIOS16(check_offset + 0x2);
428 			if (check_offset)
429 				offset = check_offset;
430 		}
431 		break;
432 	case COMBIOS_TMDS_POWER_OFF_TABLE:	/* offset from tmds power */
433 		check_offset =
434 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
435 		if (check_offset) {
436 			check_offset = RBIOS16(check_offset + 0x4);
437 			if (check_offset)
438 				offset = check_offset;
439 		}
440 		break;
441 	default:
442 		break;
443 	}
444 
445 	return offset;
446 
447 }
448 
449 bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev)
450 {
451 	int edid_info;
452 	struct edid *edid;
453 	unsigned char *raw;
454 	edid_info = combios_get_table_offset(rdev->ddev, COMBIOS_HARDCODED_EDID_TABLE);
455 	if (!edid_info)
456 		return false;
457 
458 	raw = rdev->bios + edid_info;
459 	edid = kmalloc(EDID_LENGTH * (raw[0x7e] + 1), GFP_KERNEL);
460 	if (edid == NULL)
461 		return false;
462 
463 	memcpy((unsigned char *)edid, raw, EDID_LENGTH * (raw[0x7e] + 1));
464 
465 	if (!drm_edid_is_valid(edid)) {
466 		kfree(edid);
467 		return false;
468 	}
469 
470 	rdev->mode_info.bios_hardcoded_edid = edid;
471 	return true;
472 }
473 
474 struct edid *
475 radeon_combios_get_hardcoded_edid(struct radeon_device *rdev)
476 {
477 	if (rdev->mode_info.bios_hardcoded_edid)
478 		return rdev->mode_info.bios_hardcoded_edid;
479 	return NULL;
480 }
481 
482 static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
483 						       enum radeon_combios_ddc ddc,
484 						       u32 clk_mask,
485 						       u32 data_mask)
486 {
487 	struct radeon_i2c_bus_rec i2c;
488 	int ddc_line = 0;
489 
490 	/* ddc id            = mask reg
491 	 * DDC_NONE_DETECTED = none
492 	 * DDC_DVI           = RADEON_GPIO_DVI_DDC
493 	 * DDC_VGA           = RADEON_GPIO_VGA_DDC
494 	 * DDC_LCD           = RADEON_GPIOPAD_MASK
495 	 * DDC_GPIO          = RADEON_MDGPIO_MASK
496 	 * r1xx/r2xx
497 	 * DDC_MONID         = RADEON_GPIO_MONID
498 	 * DDC_CRT2          = RADEON_GPIO_CRT2_DDC
499 	 * r3xx
500 	 * DDC_MONID         = RADEON_GPIO_MONID
501 	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
502 	 * rs3xx/rs4xx
503 	 * DDC_MONID         = RADEON_GPIOPAD_MASK
504 	 * DDC_CRT2          = RADEON_GPIO_MONID
505 	 */
506 	switch (ddc) {
507 	case DDC_NONE_DETECTED:
508 	default:
509 		ddc_line = 0;
510 		break;
511 	case DDC_DVI:
512 		ddc_line = RADEON_GPIO_DVI_DDC;
513 		break;
514 	case DDC_VGA:
515 		ddc_line = RADEON_GPIO_VGA_DDC;
516 		break;
517 	case DDC_LCD:
518 		ddc_line = RADEON_GPIOPAD_MASK;
519 		break;
520 	case DDC_GPIO:
521 		ddc_line = RADEON_MDGPIO_MASK;
522 		break;
523 	case DDC_MONID:
524 		if (rdev->family == CHIP_RS300 ||
525 		    rdev->family == CHIP_RS400 ||
526 		    rdev->family == CHIP_RS480)
527 			ddc_line = RADEON_GPIOPAD_MASK;
528 		else
529 			ddc_line = RADEON_GPIO_MONID;
530 		break;
531 	case DDC_CRT2:
532 		if (rdev->family == CHIP_RS300 ||
533 		    rdev->family == CHIP_RS400 ||
534 		    rdev->family == CHIP_RS480)
535 			ddc_line = RADEON_GPIO_MONID;
536 		else if (rdev->family >= CHIP_R300) {
537 			ddc_line = RADEON_GPIO_DVI_DDC;
538 			ddc = DDC_DVI;
539 		} else
540 			ddc_line = RADEON_GPIO_CRT2_DDC;
541 		break;
542 	}
543 
544 	if (ddc_line == RADEON_GPIOPAD_MASK) {
545 		i2c.mask_clk_reg = RADEON_GPIOPAD_MASK;
546 		i2c.mask_data_reg = RADEON_GPIOPAD_MASK;
547 		i2c.a_clk_reg = RADEON_GPIOPAD_A;
548 		i2c.a_data_reg = RADEON_GPIOPAD_A;
549 		i2c.en_clk_reg = RADEON_GPIOPAD_EN;
550 		i2c.en_data_reg = RADEON_GPIOPAD_EN;
551 		i2c.y_clk_reg = RADEON_GPIOPAD_Y;
552 		i2c.y_data_reg = RADEON_GPIOPAD_Y;
553 	} else if (ddc_line == RADEON_MDGPIO_MASK) {
554 		i2c.mask_clk_reg = RADEON_MDGPIO_MASK;
555 		i2c.mask_data_reg = RADEON_MDGPIO_MASK;
556 		i2c.a_clk_reg = RADEON_MDGPIO_A;
557 		i2c.a_data_reg = RADEON_MDGPIO_A;
558 		i2c.en_clk_reg = RADEON_MDGPIO_EN;
559 		i2c.en_data_reg = RADEON_MDGPIO_EN;
560 		i2c.y_clk_reg = RADEON_MDGPIO_Y;
561 		i2c.y_data_reg = RADEON_MDGPIO_Y;
562 	} else {
563 		i2c.mask_clk_reg = ddc_line;
564 		i2c.mask_data_reg = ddc_line;
565 		i2c.a_clk_reg = ddc_line;
566 		i2c.a_data_reg = ddc_line;
567 		i2c.en_clk_reg = ddc_line;
568 		i2c.en_data_reg = ddc_line;
569 		i2c.y_clk_reg = ddc_line;
570 		i2c.y_data_reg = ddc_line;
571 	}
572 
573 	if (clk_mask && data_mask) {
574 		i2c.mask_clk_mask = clk_mask;
575 		i2c.mask_data_mask = data_mask;
576 		i2c.a_clk_mask = clk_mask;
577 		i2c.a_data_mask = data_mask;
578 		i2c.en_clk_mask = clk_mask;
579 		i2c.en_data_mask = data_mask;
580 		i2c.y_clk_mask = clk_mask;
581 		i2c.y_data_mask = data_mask;
582 	} else {
583 		i2c.mask_clk_mask = RADEON_GPIO_EN_1;
584 		i2c.mask_data_mask = RADEON_GPIO_EN_0;
585 		i2c.a_clk_mask = RADEON_GPIO_A_1;
586 		i2c.a_data_mask = RADEON_GPIO_A_0;
587 		i2c.en_clk_mask = RADEON_GPIO_EN_1;
588 		i2c.en_data_mask = RADEON_GPIO_EN_0;
589 		i2c.y_clk_mask = RADEON_GPIO_Y_1;
590 		i2c.y_data_mask = RADEON_GPIO_Y_0;
591 	}
592 
593 	switch (rdev->family) {
594 	case CHIP_R100:
595 	case CHIP_RV100:
596 	case CHIP_RS100:
597 	case CHIP_RV200:
598 	case CHIP_RS200:
599 	case CHIP_RS300:
600 		switch (ddc_line) {
601 		case RADEON_GPIO_DVI_DDC:
602 			i2c.hw_capable = true;
603 			break;
604 		default:
605 			i2c.hw_capable = false;
606 			break;
607 		}
608 		break;
609 	case CHIP_R200:
610 		switch (ddc_line) {
611 		case RADEON_GPIO_DVI_DDC:
612 		case RADEON_GPIO_MONID:
613 			i2c.hw_capable = true;
614 			break;
615 		default:
616 			i2c.hw_capable = false;
617 			break;
618 		}
619 		break;
620 	case CHIP_RV250:
621 	case CHIP_RV280:
622 		switch (ddc_line) {
623 		case RADEON_GPIO_VGA_DDC:
624 		case RADEON_GPIO_DVI_DDC:
625 		case RADEON_GPIO_CRT2_DDC:
626 			i2c.hw_capable = true;
627 			break;
628 		default:
629 			i2c.hw_capable = false;
630 			break;
631 		}
632 		break;
633 	case CHIP_R300:
634 	case CHIP_R350:
635 		switch (ddc_line) {
636 		case RADEON_GPIO_VGA_DDC:
637 		case RADEON_GPIO_DVI_DDC:
638 			i2c.hw_capable = true;
639 			break;
640 		default:
641 			i2c.hw_capable = false;
642 			break;
643 		}
644 		break;
645 	case CHIP_RV350:
646 	case CHIP_RV380:
647 	case CHIP_RS400:
648 	case CHIP_RS480:
649 		switch (ddc_line) {
650 		case RADEON_GPIO_VGA_DDC:
651 		case RADEON_GPIO_DVI_DDC:
652 			i2c.hw_capable = true;
653 			break;
654 		case RADEON_GPIO_MONID:
655 			/* hw i2c on RADEON_GPIO_MONID doesn't seem to work
656 			 * reliably on some pre-r4xx hardware; not sure why.
657 			 */
658 			i2c.hw_capable = false;
659 			break;
660 		default:
661 			i2c.hw_capable = false;
662 			break;
663 		}
664 		break;
665 	default:
666 		i2c.hw_capable = false;
667 		break;
668 	}
669 	i2c.mm_i2c = false;
670 
671 	i2c.i2c_id = ddc;
672 	i2c.hpd = RADEON_HPD_NONE;
673 
674 	if (ddc_line)
675 		i2c.valid = true;
676 	else
677 		i2c.valid = false;
678 
679 	return i2c;
680 }
681 
682 void radeon_combios_i2c_init(struct radeon_device *rdev)
683 {
684 	struct drm_device *dev = rdev->ddev;
685 	struct radeon_i2c_bus_rec i2c;
686 
687 
688 	i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
689 	rdev->i2c_bus[0] = radeon_i2c_create(dev, &i2c, "DVI_DDC");
690 
691 	i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
692 	rdev->i2c_bus[1] = radeon_i2c_create(dev, &i2c, "VGA_DDC");
693 
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_RS300 ||
701 	    rdev->family == CHIP_RS400 ||
702 	    rdev->family == CHIP_RS480) {
703 		u16 offset;
704 		u8 id, blocks, clk, data;
705 		int i;
706 
707 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
708 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
709 
710 		offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE);
711 		if (offset) {
712 			blocks = RBIOS8(offset + 2);
713 			for (i = 0; i < blocks; i++) {
714 				id = RBIOS8(offset + 3 + (i * 5) + 0);
715 				if (id == 136) {
716 					clk = RBIOS8(offset + 3 + (i * 5) + 3);
717 					data = RBIOS8(offset + 3 + (i * 5) + 4);
718 					i2c = combios_setup_i2c_bus(rdev, DDC_MONID,
719 								    clk, data);
720 					rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "GPIOPAD_MASK");
721 					break;
722 				}
723 			}
724 		}
725 
726 	} else if (rdev->family >= CHIP_R300) {
727 		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
728 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
729 	} else {
730 		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
731 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
732 
733 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
734 		rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "CRT2_DDC");
735 	}
736 }
737 
738 bool radeon_combios_get_clock_info(struct drm_device *dev)
739 {
740 	struct radeon_device *rdev = dev->dev_private;
741 	uint16_t pll_info;
742 	struct radeon_pll *p1pll = &rdev->clock.p1pll;
743 	struct radeon_pll *p2pll = &rdev->clock.p2pll;
744 	struct radeon_pll *spll = &rdev->clock.spll;
745 	struct radeon_pll *mpll = &rdev->clock.mpll;
746 	int8_t rev;
747 	uint16_t sclk, mclk;
748 
749 	pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
750 	if (pll_info) {
751 		rev = RBIOS8(pll_info);
752 
753 		/* pixel clocks */
754 		p1pll->reference_freq = RBIOS16(pll_info + 0xe);
755 		p1pll->reference_div = RBIOS16(pll_info + 0x10);
756 		p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
757 		p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
758 		p1pll->lcd_pll_out_min = p1pll->pll_out_min;
759 		p1pll->lcd_pll_out_max = p1pll->pll_out_max;
760 
761 		if (rev > 9) {
762 			p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
763 			p1pll->pll_in_max = RBIOS32(pll_info + 0x3a);
764 		} else {
765 			p1pll->pll_in_min = 40;
766 			p1pll->pll_in_max = 500;
767 		}
768 		*p2pll = *p1pll;
769 
770 		/* system clock */
771 		spll->reference_freq = RBIOS16(pll_info + 0x1a);
772 		spll->reference_div = RBIOS16(pll_info + 0x1c);
773 		spll->pll_out_min = RBIOS32(pll_info + 0x1e);
774 		spll->pll_out_max = RBIOS32(pll_info + 0x22);
775 
776 		if (rev > 10) {
777 			spll->pll_in_min = RBIOS32(pll_info + 0x48);
778 			spll->pll_in_max = RBIOS32(pll_info + 0x4c);
779 		} else {
780 			/* ??? */
781 			spll->pll_in_min = 40;
782 			spll->pll_in_max = 500;
783 		}
784 
785 		/* memory clock */
786 		mpll->reference_freq = RBIOS16(pll_info + 0x26);
787 		mpll->reference_div = RBIOS16(pll_info + 0x28);
788 		mpll->pll_out_min = RBIOS32(pll_info + 0x2a);
789 		mpll->pll_out_max = RBIOS32(pll_info + 0x2e);
790 
791 		if (rev > 10) {
792 			mpll->pll_in_min = RBIOS32(pll_info + 0x5a);
793 			mpll->pll_in_max = RBIOS32(pll_info + 0x5e);
794 		} else {
795 			/* ??? */
796 			mpll->pll_in_min = 40;
797 			mpll->pll_in_max = 500;
798 		}
799 
800 		/* default sclk/mclk */
801 		sclk = RBIOS16(pll_info + 0xa);
802 		mclk = RBIOS16(pll_info + 0x8);
803 		if (sclk == 0)
804 			sclk = 200 * 100;
805 		if (mclk == 0)
806 			mclk = 200 * 100;
807 
808 		rdev->clock.default_sclk = sclk;
809 		rdev->clock.default_mclk = mclk;
810 
811 		return true;
812 	}
813 	return false;
814 }
815 
816 bool radeon_combios_sideport_present(struct radeon_device *rdev)
817 {
818 	struct drm_device *dev = rdev->ddev;
819 	u16 igp_info;
820 
821 	/* sideport is AMD only */
822 	if (rdev->family == CHIP_RS400)
823 		return false;
824 
825 	igp_info = combios_get_table_offset(dev, COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE);
826 
827 	if (igp_info) {
828 		if (RBIOS16(igp_info + 0x4))
829 			return true;
830 	}
831 	return false;
832 }
833 
834 static const uint32_t default_primarydac_adj[CHIP_LAST] = {
835 	0x00000808,		/* r100  */
836 	0x00000808,		/* rv100 */
837 	0x00000808,		/* rs100 */
838 	0x00000808,		/* rv200 */
839 	0x00000808,		/* rs200 */
840 	0x00000808,		/* r200  */
841 	0x00000808,		/* rv250 */
842 	0x00000000,		/* rs300 */
843 	0x00000808,		/* rv280 */
844 	0x00000808,		/* r300  */
845 	0x00000808,		/* r350  */
846 	0x00000808,		/* rv350 */
847 	0x00000808,		/* rv380 */
848 	0x00000808,		/* r420  */
849 	0x00000808,		/* r423  */
850 	0x00000808,		/* rv410 */
851 	0x00000000,		/* rs400 */
852 	0x00000000,		/* rs480 */
853 };
854 
855 static void radeon_legacy_get_primary_dac_info_from_table(struct radeon_device *rdev,
856 							  struct radeon_encoder_primary_dac *p_dac)
857 {
858 	p_dac->ps2_pdac_adj = default_primarydac_adj[rdev->family];
859 	return;
860 }
861 
862 struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
863 								       radeon_encoder
864 								       *encoder)
865 {
866 	struct drm_device *dev = encoder->base.dev;
867 	struct radeon_device *rdev = dev->dev_private;
868 	uint16_t dac_info;
869 	uint8_t rev, bg, dac;
870 	struct radeon_encoder_primary_dac *p_dac = NULL;
871 	int found = 0;
872 
873 	p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac),
874 			GFP_KERNEL);
875 
876 	if (!p_dac)
877 		return NULL;
878 
879 	/* check CRT table */
880 	dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
881 	if (dac_info) {
882 		rev = RBIOS8(dac_info) & 0x3;
883 		if (rev < 2) {
884 			bg = RBIOS8(dac_info + 0x2) & 0xf;
885 			dac = (RBIOS8(dac_info + 0x2) >> 4) & 0xf;
886 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
887 		} else {
888 			bg = RBIOS8(dac_info + 0x2) & 0xf;
889 			dac = RBIOS8(dac_info + 0x3) & 0xf;
890 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
891 		}
892 		/* if the values are all zeros, use the table */
893 		if (p_dac->ps2_pdac_adj)
894 			found = 1;
895 	}
896 
897 	if (!found) /* fallback to defaults */
898 		radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac);
899 
900 	return p_dac;
901 }
902 
903 enum radeon_tv_std
904 radeon_combios_get_tv_info(struct radeon_device *rdev)
905 {
906 	struct drm_device *dev = rdev->ddev;
907 	uint16_t tv_info;
908 	enum radeon_tv_std tv_std = TV_STD_NTSC;
909 
910 	tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
911 	if (tv_info) {
912 		if (RBIOS8(tv_info + 6) == 'T') {
913 			switch (RBIOS8(tv_info + 7) & 0xf) {
914 			case 1:
915 				tv_std = TV_STD_NTSC;
916 				DRM_DEBUG_KMS("Default TV standard: NTSC\n");
917 				break;
918 			case 2:
919 				tv_std = TV_STD_PAL;
920 				DRM_DEBUG_KMS("Default TV standard: PAL\n");
921 				break;
922 			case 3:
923 				tv_std = TV_STD_PAL_M;
924 				DRM_DEBUG_KMS("Default TV standard: PAL-M\n");
925 				break;
926 			case 4:
927 				tv_std = TV_STD_PAL_60;
928 				DRM_DEBUG_KMS("Default TV standard: PAL-60\n");
929 				break;
930 			case 5:
931 				tv_std = TV_STD_NTSC_J;
932 				DRM_DEBUG_KMS("Default TV standard: NTSC-J\n");
933 				break;
934 			case 6:
935 				tv_std = TV_STD_SCART_PAL;
936 				DRM_DEBUG_KMS("Default TV standard: SCART-PAL\n");
937 				break;
938 			default:
939 				tv_std = TV_STD_NTSC;
940 				DRM_DEBUG_KMS
941 				    ("Unknown TV standard; defaulting to NTSC\n");
942 				break;
943 			}
944 
945 			switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
946 			case 0:
947 				DRM_DEBUG_KMS("29.498928713 MHz TV ref clk\n");
948 				break;
949 			case 1:
950 				DRM_DEBUG_KMS("28.636360000 MHz TV ref clk\n");
951 				break;
952 			case 2:
953 				DRM_DEBUG_KMS("14.318180000 MHz TV ref clk\n");
954 				break;
955 			case 3:
956 				DRM_DEBUG_KMS("27.000000000 MHz TV ref clk\n");
957 				break;
958 			default:
959 				break;
960 			}
961 		}
962 	}
963 	return tv_std;
964 }
965 
966 static const uint32_t default_tvdac_adj[CHIP_LAST] = {
967 	0x00000000,		/* r100  */
968 	0x00280000,		/* rv100 */
969 	0x00000000,		/* rs100 */
970 	0x00880000,		/* rv200 */
971 	0x00000000,		/* rs200 */
972 	0x00000000,		/* r200  */
973 	0x00770000,		/* rv250 */
974 	0x00290000,		/* rs300 */
975 	0x00560000,		/* rv280 */
976 	0x00780000,		/* r300  */
977 	0x00770000,		/* r350  */
978 	0x00780000,		/* rv350 */
979 	0x00780000,		/* rv380 */
980 	0x01080000,		/* r420  */
981 	0x01080000,		/* r423  */
982 	0x01080000,		/* rv410 */
983 	0x00780000,		/* rs400 */
984 	0x00780000,		/* rs480 */
985 };
986 
987 static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
988 						     struct radeon_encoder_tv_dac *tv_dac)
989 {
990 	tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
991 	if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
992 		tv_dac->ps2_tvdac_adj = 0x00880000;
993 	tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
994 	tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
995 	return;
996 }
997 
998 struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
999 							     radeon_encoder
1000 							     *encoder)
1001 {
1002 	struct drm_device *dev = encoder->base.dev;
1003 	struct radeon_device *rdev = dev->dev_private;
1004 	uint16_t dac_info;
1005 	uint8_t rev, bg, dac;
1006 	struct radeon_encoder_tv_dac *tv_dac = NULL;
1007 	int found = 0;
1008 
1009 	tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
1010 	if (!tv_dac)
1011 		return NULL;
1012 
1013 	/* first check TV table */
1014 	dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
1015 	if (dac_info) {
1016 		rev = RBIOS8(dac_info + 0x3);
1017 		if (rev > 4) {
1018 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1019 			dac = RBIOS8(dac_info + 0xd) & 0xf;
1020 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1021 
1022 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1023 			dac = RBIOS8(dac_info + 0xf) & 0xf;
1024 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1025 
1026 			bg = RBIOS8(dac_info + 0x10) & 0xf;
1027 			dac = RBIOS8(dac_info + 0x11) & 0xf;
1028 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1029 			/* if the values are all zeros, use the table */
1030 			if (tv_dac->ps2_tvdac_adj)
1031 				found = 1;
1032 		} else if (rev > 1) {
1033 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1034 			dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
1035 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1036 
1037 			bg = RBIOS8(dac_info + 0xd) & 0xf;
1038 			dac = (RBIOS8(dac_info + 0xd) >> 4) & 0xf;
1039 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1040 
1041 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1042 			dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
1043 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1044 			/* if the values are all zeros, use the table */
1045 			if (tv_dac->ps2_tvdac_adj)
1046 				found = 1;
1047 		}
1048 		tv_dac->tv_std = radeon_combios_get_tv_info(rdev);
1049 	}
1050 	if (!found) {
1051 		/* then check CRT table */
1052 		dac_info =
1053 		    combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
1054 		if (dac_info) {
1055 			rev = RBIOS8(dac_info) & 0x3;
1056 			if (rev < 2) {
1057 				bg = RBIOS8(dac_info + 0x3) & 0xf;
1058 				dac = (RBIOS8(dac_info + 0x3) >> 4) & 0xf;
1059 				tv_dac->ps2_tvdac_adj =
1060 				    (bg << 16) | (dac << 20);
1061 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1062 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1063 				/* if the values are all zeros, use the table */
1064 				if (tv_dac->ps2_tvdac_adj)
1065 					found = 1;
1066 			} else {
1067 				bg = RBIOS8(dac_info + 0x4) & 0xf;
1068 				dac = RBIOS8(dac_info + 0x5) & 0xf;
1069 				tv_dac->ps2_tvdac_adj =
1070 				    (bg << 16) | (dac << 20);
1071 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1072 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1073 				/* if the values are all zeros, use the table */
1074 				if (tv_dac->ps2_tvdac_adj)
1075 					found = 1;
1076 			}
1077 		} else {
1078 			DRM_INFO("No TV DAC info found in BIOS\n");
1079 		}
1080 	}
1081 
1082 	if (!found) /* fallback to defaults */
1083 		radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
1084 
1085 	return tv_dac;
1086 }
1087 
1088 static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
1089 									 radeon_device
1090 									 *rdev)
1091 {
1092 	struct radeon_encoder_lvds *lvds = NULL;
1093 	uint32_t fp_vert_stretch, fp_horz_stretch;
1094 	uint32_t ppll_div_sel, ppll_val;
1095 	uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
1096 
1097 	lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1098 
1099 	if (!lvds)
1100 		return NULL;
1101 
1102 	fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH);
1103 	fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH);
1104 
1105 	/* These should be fail-safe defaults, fingers crossed */
1106 	lvds->panel_pwr_delay = 200;
1107 	lvds->panel_vcc_delay = 2000;
1108 
1109 	lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
1110 	lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf;
1111 	lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf;
1112 
1113 	if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
1114 		lvds->native_mode.vdisplay =
1115 		    ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
1116 		     RADEON_VERT_PANEL_SHIFT) + 1;
1117 	else
1118 		lvds->native_mode.vdisplay =
1119 		    (RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;
1120 
1121 	if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
1122 		lvds->native_mode.hdisplay =
1123 		    (((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
1124 		      RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
1125 	else
1126 		lvds->native_mode.hdisplay =
1127 		    ((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;
1128 
1129 	if ((lvds->native_mode.hdisplay < 640) ||
1130 	    (lvds->native_mode.vdisplay < 480)) {
1131 		lvds->native_mode.hdisplay = 640;
1132 		lvds->native_mode.vdisplay = 480;
1133 	}
1134 
1135 	ppll_div_sel = RREG8(RADEON_CLOCK_CNTL_INDEX + 1) & 0x3;
1136 	ppll_val = RREG32_PLL(RADEON_PPLL_DIV_0 + ppll_div_sel);
1137 	if ((ppll_val & 0x000707ff) == 0x1bb)
1138 		lvds->use_bios_dividers = false;
1139 	else {
1140 		lvds->panel_ref_divider =
1141 		    RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
1142 		lvds->panel_post_divider = (ppll_val >> 16) & 0x7;
1143 		lvds->panel_fb_divider = ppll_val & 0x7ff;
1144 
1145 		if ((lvds->panel_ref_divider != 0) &&
1146 		    (lvds->panel_fb_divider > 3))
1147 			lvds->use_bios_dividers = true;
1148 	}
1149 	lvds->panel_vcc_delay = 200;
1150 
1151 	DRM_INFO("Panel info derived from registers\n");
1152 	DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1153 		 lvds->native_mode.vdisplay);
1154 
1155 	return lvds;
1156 }
1157 
1158 struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
1159 							 *encoder)
1160 {
1161 	struct drm_device *dev = encoder->base.dev;
1162 	struct radeon_device *rdev = dev->dev_private;
1163 	uint16_t lcd_info;
1164 	uint32_t panel_setup;
1165 	char stmp[30];
1166 	int tmp, i;
1167 	struct radeon_encoder_lvds *lvds = NULL;
1168 
1169 	lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
1170 
1171 	if (lcd_info) {
1172 		lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1173 
1174 		if (!lvds)
1175 			return NULL;
1176 
1177 		for (i = 0; i < 24; i++)
1178 			stmp[i] = RBIOS8(lcd_info + i + 1);
1179 		stmp[24] = 0;
1180 
1181 		DRM_INFO("Panel ID String: %s\n", stmp);
1182 
1183 		lvds->native_mode.hdisplay = RBIOS16(lcd_info + 0x19);
1184 		lvds->native_mode.vdisplay = RBIOS16(lcd_info + 0x1b);
1185 
1186 		DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1187 			 lvds->native_mode.vdisplay);
1188 
1189 		lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
1190 		lvds->panel_vcc_delay = min_t(u16, lvds->panel_vcc_delay, 2000);
1191 
1192 		lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24);
1193 		lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf;
1194 		lvds->panel_blon_delay = (RBIOS16(lcd_info + 0x38) >> 4) & 0xf;
1195 
1196 		lvds->panel_ref_divider = RBIOS16(lcd_info + 0x2e);
1197 		lvds->panel_post_divider = RBIOS8(lcd_info + 0x30);
1198 		lvds->panel_fb_divider = RBIOS16(lcd_info + 0x31);
1199 		if ((lvds->panel_ref_divider != 0) &&
1200 		    (lvds->panel_fb_divider > 3))
1201 			lvds->use_bios_dividers = true;
1202 
1203 		panel_setup = RBIOS32(lcd_info + 0x39);
1204 		lvds->lvds_gen_cntl = 0xff00;
1205 		if (panel_setup & 0x1)
1206 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
1207 
1208 		if ((panel_setup >> 4) & 0x1)
1209 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
1210 
1211 		switch ((panel_setup >> 8) & 0x7) {
1212 		case 0:
1213 			lvds->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
1214 			break;
1215 		case 1:
1216 			lvds->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
1217 			break;
1218 		case 2:
1219 			lvds->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
1220 			break;
1221 		default:
1222 			break;
1223 		}
1224 
1225 		if ((panel_setup >> 16) & 0x1)
1226 			lvds->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
1227 
1228 		if ((panel_setup >> 17) & 0x1)
1229 			lvds->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
1230 
1231 		if ((panel_setup >> 18) & 0x1)
1232 			lvds->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
1233 
1234 		if ((panel_setup >> 23) & 0x1)
1235 			lvds->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
1236 
1237 		lvds->lvds_gen_cntl |= (panel_setup & 0xf0000000);
1238 
1239 		for (i = 0; i < 32; i++) {
1240 			tmp = RBIOS16(lcd_info + 64 + i * 2);
1241 			if (tmp == 0)
1242 				break;
1243 
1244 			if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
1245 			    (RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) {
1246 				lvds->native_mode.htotal = lvds->native_mode.hdisplay +
1247 					(RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8;
1248 				lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
1249 					(RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8;
1250 				lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
1251 					(RBIOS8(tmp + 23) * 8);
1252 
1253 				lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
1254 					(RBIOS16(tmp + 24) - RBIOS16(tmp + 26));
1255 				lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
1256 					((RBIOS16(tmp + 28) & 0x7ff) - RBIOS16(tmp + 26));
1257 				lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
1258 					((RBIOS16(tmp + 28) & 0xf800) >> 11);
1259 
1260 				lvds->native_mode.clock = RBIOS16(tmp + 9) * 10;
1261 				lvds->native_mode.flags = 0;
1262 				/* set crtc values */
1263 				drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
1264 
1265 			}
1266 		}
1267 	} else {
1268 		DRM_INFO("No panel info found in BIOS\n");
1269 		lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
1270 	}
1271 
1272 	if (lvds)
1273 		encoder->native_mode = lvds->native_mode;
1274 	return lvds;
1275 }
1276 
1277 static const struct radeon_tmds_pll default_tmds_pll[CHIP_LAST][4] = {
1278 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R100  */
1279 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV100 */
1280 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS100 */
1281 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV200 */
1282 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RS200 */
1283 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R200  */
1284 	{{15500, 0x81b}, {0xffffffff, 0x83f}, {0, 0}, {0, 0}},	/* CHIP_RV250 */
1285 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS300 */
1286 	{{13000, 0x400f4}, {15000, 0x400f7}, {0xffffffff, 0x40111}, {0, 0}},	/* CHIP_RV280 */
1287 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R300  */
1288 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R350  */
1289 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV350 */
1290 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV380 */
1291 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R420  */
1292 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R423  */
1293 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RV410 */
1294 	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS400 */
1295 	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS480 */
1296 };
1297 
1298 bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
1299 					    struct radeon_encoder_int_tmds *tmds)
1300 {
1301 	struct drm_device *dev = encoder->base.dev;
1302 	struct radeon_device *rdev = dev->dev_private;
1303 	int i;
1304 
1305 	for (i = 0; i < 4; i++) {
1306 		tmds->tmds_pll[i].value =
1307 			default_tmds_pll[rdev->family][i].value;
1308 		tmds->tmds_pll[i].freq = default_tmds_pll[rdev->family][i].freq;
1309 	}
1310 
1311 	return true;
1312 }
1313 
1314 bool radeon_legacy_get_tmds_info_from_combios(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 	uint16_t tmds_info;
1320 	int i, n;
1321 	uint8_t ver;
1322 
1323 	tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1324 
1325 	if (tmds_info) {
1326 		ver = RBIOS8(tmds_info);
1327 		DRM_DEBUG_KMS("DFP table revision: %d\n", ver);
1328 		if (ver == 3) {
1329 			n = RBIOS8(tmds_info + 5) + 1;
1330 			if (n > 4)
1331 				n = 4;
1332 			for (i = 0; i < n; i++) {
1333 				tmds->tmds_pll[i].value =
1334 				    RBIOS32(tmds_info + i * 10 + 0x08);
1335 				tmds->tmds_pll[i].freq =
1336 				    RBIOS16(tmds_info + i * 10 + 0x10);
1337 				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1338 					  tmds->tmds_pll[i].freq,
1339 					  tmds->tmds_pll[i].value);
1340 			}
1341 		} else if (ver == 4) {
1342 			int stride = 0;
1343 			n = RBIOS8(tmds_info + 5) + 1;
1344 			if (n > 4)
1345 				n = 4;
1346 			for (i = 0; i < n; i++) {
1347 				tmds->tmds_pll[i].value =
1348 				    RBIOS32(tmds_info + stride + 0x08);
1349 				tmds->tmds_pll[i].freq =
1350 				    RBIOS16(tmds_info + stride + 0x10);
1351 				if (i == 0)
1352 					stride += 10;
1353 				else
1354 					stride += 6;
1355 				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1356 					  tmds->tmds_pll[i].freq,
1357 					  tmds->tmds_pll[i].value);
1358 			}
1359 		}
1360 	} else {
1361 		DRM_INFO("No TMDS info found in BIOS\n");
1362 		return false;
1363 	}
1364 	return true;
1365 }
1366 
1367 bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
1368 						struct radeon_encoder_ext_tmds *tmds)
1369 {
1370 	struct drm_device *dev = encoder->base.dev;
1371 	struct radeon_device *rdev = dev->dev_private;
1372 	struct radeon_i2c_bus_rec i2c_bus;
1373 
1374 	/* default for macs */
1375 	i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1376 	tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1377 
1378 	/* XXX some macs have duallink chips */
1379 	switch (rdev->mode_info.connector_table) {
1380 	case CT_POWERBOOK_EXTERNAL:
1381 	case CT_MINI_EXTERNAL:
1382 	default:
1383 		tmds->dvo_chip = DVO_SIL164;
1384 		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1385 		break;
1386 	}
1387 
1388 	return true;
1389 }
1390 
1391 bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
1392 						  struct radeon_encoder_ext_tmds *tmds)
1393 {
1394 	struct drm_device *dev = encoder->base.dev;
1395 	struct radeon_device *rdev = dev->dev_private;
1396 	uint16_t offset;
1397 	uint8_t ver;
1398 	enum radeon_combios_ddc gpio;
1399 	struct radeon_i2c_bus_rec i2c_bus;
1400 
1401 	tmds->i2c_bus = NULL;
1402 	if (rdev->flags & RADEON_IS_IGP) {
1403 		i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1404 		tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1405 		tmds->dvo_chip = DVO_SIL164;
1406 		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1407 	} else {
1408 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
1409 		if (offset) {
1410 			ver = RBIOS8(offset);
1411 			DRM_DEBUG_KMS("External TMDS Table revision: %d\n", ver);
1412 			tmds->slave_addr = RBIOS8(offset + 4 + 2);
1413 			tmds->slave_addr >>= 1; /* 7 bit addressing */
1414 			gpio = RBIOS8(offset + 4 + 3);
1415 			if (gpio == DDC_LCD) {
1416 				/* MM i2c */
1417 				i2c_bus.valid = true;
1418 				i2c_bus.hw_capable = true;
1419 				i2c_bus.mm_i2c = true;
1420 				i2c_bus.i2c_id = 0xa0;
1421 			} else
1422 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
1423 			tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1424 		}
1425 	}
1426 
1427 	if (!tmds->i2c_bus) {
1428 		DRM_INFO("No valid Ext TMDS info found in BIOS\n");
1429 		return false;
1430 	}
1431 
1432 	return true;
1433 }
1434 
1435 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
1436 {
1437 	struct radeon_device *rdev = dev->dev_private;
1438 	struct radeon_i2c_bus_rec ddc_i2c;
1439 	struct radeon_hpd hpd;
1440 
1441 	rdev->mode_info.connector_table = radeon_connector_table;
1442 	if (rdev->mode_info.connector_table == CT_NONE) {
1443 #ifdef CONFIG_PPC_PMAC
1444 		if (of_machine_is_compatible("PowerBook3,3")) {
1445 			/* powerbook with VGA */
1446 			rdev->mode_info.connector_table = CT_POWERBOOK_VGA;
1447 		} else if (of_machine_is_compatible("PowerBook3,4") ||
1448 			   of_machine_is_compatible("PowerBook3,5")) {
1449 			/* powerbook with internal tmds */
1450 			rdev->mode_info.connector_table = CT_POWERBOOK_INTERNAL;
1451 		} else if (of_machine_is_compatible("PowerBook5,1") ||
1452 			   of_machine_is_compatible("PowerBook5,2") ||
1453 			   of_machine_is_compatible("PowerBook5,3") ||
1454 			   of_machine_is_compatible("PowerBook5,4") ||
1455 			   of_machine_is_compatible("PowerBook5,5")) {
1456 			/* powerbook with external single link tmds (sil164) */
1457 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1458 		} else if (of_machine_is_compatible("PowerBook5,6")) {
1459 			/* powerbook with external dual or single link tmds */
1460 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1461 		} else if (of_machine_is_compatible("PowerBook5,7") ||
1462 			   of_machine_is_compatible("PowerBook5,8") ||
1463 			   of_machine_is_compatible("PowerBook5,9")) {
1464 			/* PowerBook6,2 ? */
1465 			/* powerbook with external dual link tmds (sil1178?) */
1466 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1467 		} else if (of_machine_is_compatible("PowerBook4,1") ||
1468 			   of_machine_is_compatible("PowerBook4,2") ||
1469 			   of_machine_is_compatible("PowerBook4,3") ||
1470 			   of_machine_is_compatible("PowerBook6,3") ||
1471 			   of_machine_is_compatible("PowerBook6,5") ||
1472 			   of_machine_is_compatible("PowerBook6,7")) {
1473 			/* ibook */
1474 			rdev->mode_info.connector_table = CT_IBOOK;
1475 		} else if (of_machine_is_compatible("PowerMac4,4")) {
1476 			/* emac */
1477 			rdev->mode_info.connector_table = CT_EMAC;
1478 		} else if (of_machine_is_compatible("PowerMac10,1")) {
1479 			/* mini with internal tmds */
1480 			rdev->mode_info.connector_table = CT_MINI_INTERNAL;
1481 		} else if (of_machine_is_compatible("PowerMac10,2")) {
1482 			/* mini with external tmds */
1483 			rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
1484 		} else if (of_machine_is_compatible("PowerMac12,1")) {
1485 			/* PowerMac8,1 ? */
1486 			/* imac g5 isight */
1487 			rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
1488 		} else if ((rdev->pdev->device == 0x4a48) &&
1489 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1490 			   (rdev->pdev->subsystem_device == 0x4a48)) {
1491 			/* Mac X800 */
1492 			rdev->mode_info.connector_table = CT_MAC_X800;
1493 		} else
1494 #endif /* CONFIG_PPC_PMAC */
1495 #ifdef CONFIG_PPC64
1496 		if (ASIC_IS_RN50(rdev))
1497 			rdev->mode_info.connector_table = CT_RN50_POWER;
1498 		else
1499 #endif
1500 			rdev->mode_info.connector_table = CT_GENERIC;
1501 	}
1502 
1503 	switch (rdev->mode_info.connector_table) {
1504 	case CT_GENERIC:
1505 		DRM_INFO("Connector Table: %d (generic)\n",
1506 			 rdev->mode_info.connector_table);
1507 		/* these are the most common settings */
1508 		if (rdev->flags & RADEON_SINGLE_CRTC) {
1509 			/* VGA - primary dac */
1510 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1511 			hpd.hpd = RADEON_HPD_NONE;
1512 			radeon_add_legacy_encoder(dev,
1513 						  radeon_get_encoder_enum(dev,
1514 									ATOM_DEVICE_CRT1_SUPPORT,
1515 									1),
1516 						  ATOM_DEVICE_CRT1_SUPPORT);
1517 			radeon_add_legacy_connector(dev, 0,
1518 						    ATOM_DEVICE_CRT1_SUPPORT,
1519 						    DRM_MODE_CONNECTOR_VGA,
1520 						    &ddc_i2c,
1521 						    CONNECTOR_OBJECT_ID_VGA,
1522 						    &hpd);
1523 		} else if (rdev->flags & RADEON_IS_MOBILITY) {
1524 			/* LVDS */
1525 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
1526 			hpd.hpd = RADEON_HPD_NONE;
1527 			radeon_add_legacy_encoder(dev,
1528 						  radeon_get_encoder_enum(dev,
1529 									ATOM_DEVICE_LCD1_SUPPORT,
1530 									0),
1531 						  ATOM_DEVICE_LCD1_SUPPORT);
1532 			radeon_add_legacy_connector(dev, 0,
1533 						    ATOM_DEVICE_LCD1_SUPPORT,
1534 						    DRM_MODE_CONNECTOR_LVDS,
1535 						    &ddc_i2c,
1536 						    CONNECTOR_OBJECT_ID_LVDS,
1537 						    &hpd);
1538 
1539 			/* VGA - primary dac */
1540 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1541 			hpd.hpd = RADEON_HPD_NONE;
1542 			radeon_add_legacy_encoder(dev,
1543 						  radeon_get_encoder_enum(dev,
1544 									ATOM_DEVICE_CRT1_SUPPORT,
1545 									1),
1546 						  ATOM_DEVICE_CRT1_SUPPORT);
1547 			radeon_add_legacy_connector(dev, 1,
1548 						    ATOM_DEVICE_CRT1_SUPPORT,
1549 						    DRM_MODE_CONNECTOR_VGA,
1550 						    &ddc_i2c,
1551 						    CONNECTOR_OBJECT_ID_VGA,
1552 						    &hpd);
1553 		} else {
1554 			/* DVI-I - tv dac, int tmds */
1555 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1556 			hpd.hpd = RADEON_HPD_1;
1557 			radeon_add_legacy_encoder(dev,
1558 						  radeon_get_encoder_enum(dev,
1559 									ATOM_DEVICE_DFP1_SUPPORT,
1560 									0),
1561 						  ATOM_DEVICE_DFP1_SUPPORT);
1562 			radeon_add_legacy_encoder(dev,
1563 						  radeon_get_encoder_enum(dev,
1564 									ATOM_DEVICE_CRT2_SUPPORT,
1565 									2),
1566 						  ATOM_DEVICE_CRT2_SUPPORT);
1567 			radeon_add_legacy_connector(dev, 0,
1568 						    ATOM_DEVICE_DFP1_SUPPORT |
1569 						    ATOM_DEVICE_CRT2_SUPPORT,
1570 						    DRM_MODE_CONNECTOR_DVII,
1571 						    &ddc_i2c,
1572 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1573 						    &hpd);
1574 
1575 			/* VGA - primary dac */
1576 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1577 			hpd.hpd = RADEON_HPD_NONE;
1578 			radeon_add_legacy_encoder(dev,
1579 						  radeon_get_encoder_enum(dev,
1580 									ATOM_DEVICE_CRT1_SUPPORT,
1581 									1),
1582 						  ATOM_DEVICE_CRT1_SUPPORT);
1583 			radeon_add_legacy_connector(dev, 1,
1584 						    ATOM_DEVICE_CRT1_SUPPORT,
1585 						    DRM_MODE_CONNECTOR_VGA,
1586 						    &ddc_i2c,
1587 						    CONNECTOR_OBJECT_ID_VGA,
1588 						    &hpd);
1589 		}
1590 
1591 		if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1592 			/* TV - tv dac */
1593 			ddc_i2c.valid = false;
1594 			hpd.hpd = RADEON_HPD_NONE;
1595 			radeon_add_legacy_encoder(dev,
1596 						  radeon_get_encoder_enum(dev,
1597 									ATOM_DEVICE_TV1_SUPPORT,
1598 									2),
1599 						  ATOM_DEVICE_TV1_SUPPORT);
1600 			radeon_add_legacy_connector(dev, 2,
1601 						    ATOM_DEVICE_TV1_SUPPORT,
1602 						    DRM_MODE_CONNECTOR_SVIDEO,
1603 						    &ddc_i2c,
1604 						    CONNECTOR_OBJECT_ID_SVIDEO,
1605 						    &hpd);
1606 		}
1607 		break;
1608 	case CT_IBOOK:
1609 		DRM_INFO("Connector Table: %d (ibook)\n",
1610 			 rdev->mode_info.connector_table);
1611 		/* LVDS */
1612 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1613 		hpd.hpd = RADEON_HPD_NONE;
1614 		radeon_add_legacy_encoder(dev,
1615 					  radeon_get_encoder_enum(dev,
1616 								ATOM_DEVICE_LCD1_SUPPORT,
1617 								0),
1618 					  ATOM_DEVICE_LCD1_SUPPORT);
1619 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1620 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1621 					    CONNECTOR_OBJECT_ID_LVDS,
1622 					    &hpd);
1623 		/* VGA - TV DAC */
1624 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1625 		hpd.hpd = RADEON_HPD_NONE;
1626 		radeon_add_legacy_encoder(dev,
1627 					  radeon_get_encoder_enum(dev,
1628 								ATOM_DEVICE_CRT2_SUPPORT,
1629 								2),
1630 					  ATOM_DEVICE_CRT2_SUPPORT);
1631 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1632 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1633 					    CONNECTOR_OBJECT_ID_VGA,
1634 					    &hpd);
1635 		/* TV - TV DAC */
1636 		ddc_i2c.valid = false;
1637 		hpd.hpd = RADEON_HPD_NONE;
1638 		radeon_add_legacy_encoder(dev,
1639 					  radeon_get_encoder_enum(dev,
1640 								ATOM_DEVICE_TV1_SUPPORT,
1641 								2),
1642 					  ATOM_DEVICE_TV1_SUPPORT);
1643 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1644 					    DRM_MODE_CONNECTOR_SVIDEO,
1645 					    &ddc_i2c,
1646 					    CONNECTOR_OBJECT_ID_SVIDEO,
1647 					    &hpd);
1648 		break;
1649 	case CT_POWERBOOK_EXTERNAL:
1650 		DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
1651 			 rdev->mode_info.connector_table);
1652 		/* LVDS */
1653 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1654 		hpd.hpd = RADEON_HPD_NONE;
1655 		radeon_add_legacy_encoder(dev,
1656 					  radeon_get_encoder_enum(dev,
1657 								ATOM_DEVICE_LCD1_SUPPORT,
1658 								0),
1659 					  ATOM_DEVICE_LCD1_SUPPORT);
1660 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1661 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1662 					    CONNECTOR_OBJECT_ID_LVDS,
1663 					    &hpd);
1664 		/* DVI-I - primary dac, ext tmds */
1665 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1666 		hpd.hpd = RADEON_HPD_2; /* ??? */
1667 		radeon_add_legacy_encoder(dev,
1668 					  radeon_get_encoder_enum(dev,
1669 								ATOM_DEVICE_DFP2_SUPPORT,
1670 								0),
1671 					  ATOM_DEVICE_DFP2_SUPPORT);
1672 		radeon_add_legacy_encoder(dev,
1673 					  radeon_get_encoder_enum(dev,
1674 								ATOM_DEVICE_CRT1_SUPPORT,
1675 								1),
1676 					  ATOM_DEVICE_CRT1_SUPPORT);
1677 		/* XXX some are SL */
1678 		radeon_add_legacy_connector(dev, 1,
1679 					    ATOM_DEVICE_DFP2_SUPPORT |
1680 					    ATOM_DEVICE_CRT1_SUPPORT,
1681 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1682 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
1683 					    &hpd);
1684 		/* TV - TV DAC */
1685 		ddc_i2c.valid = false;
1686 		hpd.hpd = RADEON_HPD_NONE;
1687 		radeon_add_legacy_encoder(dev,
1688 					  radeon_get_encoder_enum(dev,
1689 								ATOM_DEVICE_TV1_SUPPORT,
1690 								2),
1691 					  ATOM_DEVICE_TV1_SUPPORT);
1692 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1693 					    DRM_MODE_CONNECTOR_SVIDEO,
1694 					    &ddc_i2c,
1695 					    CONNECTOR_OBJECT_ID_SVIDEO,
1696 					    &hpd);
1697 		break;
1698 	case CT_POWERBOOK_INTERNAL:
1699 		DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
1700 			 rdev->mode_info.connector_table);
1701 		/* LVDS */
1702 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1703 		hpd.hpd = RADEON_HPD_NONE;
1704 		radeon_add_legacy_encoder(dev,
1705 					  radeon_get_encoder_enum(dev,
1706 								ATOM_DEVICE_LCD1_SUPPORT,
1707 								0),
1708 					  ATOM_DEVICE_LCD1_SUPPORT);
1709 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1710 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1711 					    CONNECTOR_OBJECT_ID_LVDS,
1712 					    &hpd);
1713 		/* DVI-I - primary dac, int tmds */
1714 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1715 		hpd.hpd = RADEON_HPD_1; /* ??? */
1716 		radeon_add_legacy_encoder(dev,
1717 					  radeon_get_encoder_enum(dev,
1718 								ATOM_DEVICE_DFP1_SUPPORT,
1719 								0),
1720 					  ATOM_DEVICE_DFP1_SUPPORT);
1721 		radeon_add_legacy_encoder(dev,
1722 					  radeon_get_encoder_enum(dev,
1723 								ATOM_DEVICE_CRT1_SUPPORT,
1724 								1),
1725 					  ATOM_DEVICE_CRT1_SUPPORT);
1726 		radeon_add_legacy_connector(dev, 1,
1727 					    ATOM_DEVICE_DFP1_SUPPORT |
1728 					    ATOM_DEVICE_CRT1_SUPPORT,
1729 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1730 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1731 					    &hpd);
1732 		/* TV - TV DAC */
1733 		ddc_i2c.valid = false;
1734 		hpd.hpd = RADEON_HPD_NONE;
1735 		radeon_add_legacy_encoder(dev,
1736 					  radeon_get_encoder_enum(dev,
1737 								ATOM_DEVICE_TV1_SUPPORT,
1738 								2),
1739 					  ATOM_DEVICE_TV1_SUPPORT);
1740 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1741 					    DRM_MODE_CONNECTOR_SVIDEO,
1742 					    &ddc_i2c,
1743 					    CONNECTOR_OBJECT_ID_SVIDEO,
1744 					    &hpd);
1745 		break;
1746 	case CT_POWERBOOK_VGA:
1747 		DRM_INFO("Connector Table: %d (powerbook vga)\n",
1748 			 rdev->mode_info.connector_table);
1749 		/* LVDS */
1750 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1751 		hpd.hpd = RADEON_HPD_NONE;
1752 		radeon_add_legacy_encoder(dev,
1753 					  radeon_get_encoder_enum(dev,
1754 								ATOM_DEVICE_LCD1_SUPPORT,
1755 								0),
1756 					  ATOM_DEVICE_LCD1_SUPPORT);
1757 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1758 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1759 					    CONNECTOR_OBJECT_ID_LVDS,
1760 					    &hpd);
1761 		/* VGA - primary dac */
1762 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1763 		hpd.hpd = RADEON_HPD_NONE;
1764 		radeon_add_legacy_encoder(dev,
1765 					  radeon_get_encoder_enum(dev,
1766 								ATOM_DEVICE_CRT1_SUPPORT,
1767 								1),
1768 					  ATOM_DEVICE_CRT1_SUPPORT);
1769 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
1770 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1771 					    CONNECTOR_OBJECT_ID_VGA,
1772 					    &hpd);
1773 		/* TV - TV DAC */
1774 		ddc_i2c.valid = false;
1775 		hpd.hpd = RADEON_HPD_NONE;
1776 		radeon_add_legacy_encoder(dev,
1777 					  radeon_get_encoder_enum(dev,
1778 								ATOM_DEVICE_TV1_SUPPORT,
1779 								2),
1780 					  ATOM_DEVICE_TV1_SUPPORT);
1781 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1782 					    DRM_MODE_CONNECTOR_SVIDEO,
1783 					    &ddc_i2c,
1784 					    CONNECTOR_OBJECT_ID_SVIDEO,
1785 					    &hpd);
1786 		break;
1787 	case CT_MINI_EXTERNAL:
1788 		DRM_INFO("Connector Table: %d (mini external tmds)\n",
1789 			 rdev->mode_info.connector_table);
1790 		/* DVI-I - tv dac, ext tmds */
1791 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1792 		hpd.hpd = RADEON_HPD_2; /* ??? */
1793 		radeon_add_legacy_encoder(dev,
1794 					  radeon_get_encoder_enum(dev,
1795 								ATOM_DEVICE_DFP2_SUPPORT,
1796 								0),
1797 					  ATOM_DEVICE_DFP2_SUPPORT);
1798 		radeon_add_legacy_encoder(dev,
1799 					  radeon_get_encoder_enum(dev,
1800 								ATOM_DEVICE_CRT2_SUPPORT,
1801 								2),
1802 					  ATOM_DEVICE_CRT2_SUPPORT);
1803 		/* XXX are any DL? */
1804 		radeon_add_legacy_connector(dev, 0,
1805 					    ATOM_DEVICE_DFP2_SUPPORT |
1806 					    ATOM_DEVICE_CRT2_SUPPORT,
1807 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1808 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1809 					    &hpd);
1810 		/* TV - TV DAC */
1811 		ddc_i2c.valid = false;
1812 		hpd.hpd = RADEON_HPD_NONE;
1813 		radeon_add_legacy_encoder(dev,
1814 					  radeon_get_encoder_enum(dev,
1815 								ATOM_DEVICE_TV1_SUPPORT,
1816 								2),
1817 					  ATOM_DEVICE_TV1_SUPPORT);
1818 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1819 					    DRM_MODE_CONNECTOR_SVIDEO,
1820 					    &ddc_i2c,
1821 					    CONNECTOR_OBJECT_ID_SVIDEO,
1822 					    &hpd);
1823 		break;
1824 	case CT_MINI_INTERNAL:
1825 		DRM_INFO("Connector Table: %d (mini internal tmds)\n",
1826 			 rdev->mode_info.connector_table);
1827 		/* DVI-I - tv dac, int tmds */
1828 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1829 		hpd.hpd = RADEON_HPD_1; /* ??? */
1830 		radeon_add_legacy_encoder(dev,
1831 					  radeon_get_encoder_enum(dev,
1832 								ATOM_DEVICE_DFP1_SUPPORT,
1833 								0),
1834 					  ATOM_DEVICE_DFP1_SUPPORT);
1835 		radeon_add_legacy_encoder(dev,
1836 					  radeon_get_encoder_enum(dev,
1837 								ATOM_DEVICE_CRT2_SUPPORT,
1838 								2),
1839 					  ATOM_DEVICE_CRT2_SUPPORT);
1840 		radeon_add_legacy_connector(dev, 0,
1841 					    ATOM_DEVICE_DFP1_SUPPORT |
1842 					    ATOM_DEVICE_CRT2_SUPPORT,
1843 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1844 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1845 					    &hpd);
1846 		/* TV - TV DAC */
1847 		ddc_i2c.valid = false;
1848 		hpd.hpd = RADEON_HPD_NONE;
1849 		radeon_add_legacy_encoder(dev,
1850 					  radeon_get_encoder_enum(dev,
1851 								ATOM_DEVICE_TV1_SUPPORT,
1852 								2),
1853 					  ATOM_DEVICE_TV1_SUPPORT);
1854 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1855 					    DRM_MODE_CONNECTOR_SVIDEO,
1856 					    &ddc_i2c,
1857 					    CONNECTOR_OBJECT_ID_SVIDEO,
1858 					    &hpd);
1859 		break;
1860 	case CT_IMAC_G5_ISIGHT:
1861 		DRM_INFO("Connector Table: %d (imac g5 isight)\n",
1862 			 rdev->mode_info.connector_table);
1863 		/* DVI-D - int tmds */
1864 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1865 		hpd.hpd = RADEON_HPD_1; /* ??? */
1866 		radeon_add_legacy_encoder(dev,
1867 					  radeon_get_encoder_enum(dev,
1868 								ATOM_DEVICE_DFP1_SUPPORT,
1869 								0),
1870 					  ATOM_DEVICE_DFP1_SUPPORT);
1871 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
1872 					    DRM_MODE_CONNECTOR_DVID, &ddc_i2c,
1873 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
1874 					    &hpd);
1875 		/* VGA - tv dac */
1876 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1877 		hpd.hpd = RADEON_HPD_NONE;
1878 		radeon_add_legacy_encoder(dev,
1879 					  radeon_get_encoder_enum(dev,
1880 								ATOM_DEVICE_CRT2_SUPPORT,
1881 								2),
1882 					  ATOM_DEVICE_CRT2_SUPPORT);
1883 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1884 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1885 					    CONNECTOR_OBJECT_ID_VGA,
1886 					    &hpd);
1887 		/* TV - TV DAC */
1888 		ddc_i2c.valid = false;
1889 		hpd.hpd = RADEON_HPD_NONE;
1890 		radeon_add_legacy_encoder(dev,
1891 					  radeon_get_encoder_enum(dev,
1892 								ATOM_DEVICE_TV1_SUPPORT,
1893 								2),
1894 					  ATOM_DEVICE_TV1_SUPPORT);
1895 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1896 					    DRM_MODE_CONNECTOR_SVIDEO,
1897 					    &ddc_i2c,
1898 					    CONNECTOR_OBJECT_ID_SVIDEO,
1899 					    &hpd);
1900 		break;
1901 	case CT_EMAC:
1902 		DRM_INFO("Connector Table: %d (emac)\n",
1903 			 rdev->mode_info.connector_table);
1904 		/* VGA - primary dac */
1905 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1906 		hpd.hpd = RADEON_HPD_NONE;
1907 		radeon_add_legacy_encoder(dev,
1908 					  radeon_get_encoder_enum(dev,
1909 								ATOM_DEVICE_CRT1_SUPPORT,
1910 								1),
1911 					  ATOM_DEVICE_CRT1_SUPPORT);
1912 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1913 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1914 					    CONNECTOR_OBJECT_ID_VGA,
1915 					    &hpd);
1916 		/* VGA - tv dac */
1917 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1918 		hpd.hpd = RADEON_HPD_NONE;
1919 		radeon_add_legacy_encoder(dev,
1920 					  radeon_get_encoder_enum(dev,
1921 								ATOM_DEVICE_CRT2_SUPPORT,
1922 								2),
1923 					  ATOM_DEVICE_CRT2_SUPPORT);
1924 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1925 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1926 					    CONNECTOR_OBJECT_ID_VGA,
1927 					    &hpd);
1928 		/* TV - TV DAC */
1929 		ddc_i2c.valid = false;
1930 		hpd.hpd = RADEON_HPD_NONE;
1931 		radeon_add_legacy_encoder(dev,
1932 					  radeon_get_encoder_enum(dev,
1933 								ATOM_DEVICE_TV1_SUPPORT,
1934 								2),
1935 					  ATOM_DEVICE_TV1_SUPPORT);
1936 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1937 					    DRM_MODE_CONNECTOR_SVIDEO,
1938 					    &ddc_i2c,
1939 					    CONNECTOR_OBJECT_ID_SVIDEO,
1940 					    &hpd);
1941 		break;
1942 	case CT_RN50_POWER:
1943 		DRM_INFO("Connector Table: %d (rn50-power)\n",
1944 			 rdev->mode_info.connector_table);
1945 		/* VGA - primary dac */
1946 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1947 		hpd.hpd = RADEON_HPD_NONE;
1948 		radeon_add_legacy_encoder(dev,
1949 					  radeon_get_encoder_enum(dev,
1950 								ATOM_DEVICE_CRT1_SUPPORT,
1951 								1),
1952 					  ATOM_DEVICE_CRT1_SUPPORT);
1953 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1954 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1955 					    CONNECTOR_OBJECT_ID_VGA,
1956 					    &hpd);
1957 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1958 		hpd.hpd = RADEON_HPD_NONE;
1959 		radeon_add_legacy_encoder(dev,
1960 					  radeon_get_encoder_enum(dev,
1961 								ATOM_DEVICE_CRT2_SUPPORT,
1962 								2),
1963 					  ATOM_DEVICE_CRT2_SUPPORT);
1964 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1965 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1966 					    CONNECTOR_OBJECT_ID_VGA,
1967 					    &hpd);
1968 		break;
1969 	case CT_MAC_X800:
1970 		DRM_INFO("Connector Table: %d (mac x800)\n",
1971 			 rdev->mode_info.connector_table);
1972 		/* DVI - primary dac, internal tmds */
1973 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1974 		hpd.hpd = RADEON_HPD_1; /* ??? */
1975 		radeon_add_legacy_encoder(dev,
1976 					  radeon_get_encoder_enum(dev,
1977 								  ATOM_DEVICE_DFP1_SUPPORT,
1978 								  0),
1979 					  ATOM_DEVICE_DFP1_SUPPORT);
1980 		radeon_add_legacy_encoder(dev,
1981 					  radeon_get_encoder_enum(dev,
1982 								  ATOM_DEVICE_CRT1_SUPPORT,
1983 								  1),
1984 					  ATOM_DEVICE_CRT1_SUPPORT);
1985 		radeon_add_legacy_connector(dev, 0,
1986 					    ATOM_DEVICE_DFP1_SUPPORT |
1987 					    ATOM_DEVICE_CRT1_SUPPORT,
1988 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1989 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1990 					    &hpd);
1991 		/* DVI - tv dac, dvo */
1992 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1993 		hpd.hpd = RADEON_HPD_2; /* ??? */
1994 		radeon_add_legacy_encoder(dev,
1995 					  radeon_get_encoder_enum(dev,
1996 								  ATOM_DEVICE_DFP2_SUPPORT,
1997 								  0),
1998 					  ATOM_DEVICE_DFP2_SUPPORT);
1999 		radeon_add_legacy_encoder(dev,
2000 					  radeon_get_encoder_enum(dev,
2001 								  ATOM_DEVICE_CRT2_SUPPORT,
2002 								  2),
2003 					  ATOM_DEVICE_CRT2_SUPPORT);
2004 		radeon_add_legacy_connector(dev, 1,
2005 					    ATOM_DEVICE_DFP2_SUPPORT |
2006 					    ATOM_DEVICE_CRT2_SUPPORT,
2007 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2008 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
2009 					    &hpd);
2010 		break;
2011 	default:
2012 		DRM_INFO("Connector table: %d (invalid)\n",
2013 			 rdev->mode_info.connector_table);
2014 		return false;
2015 	}
2016 
2017 	radeon_link_encoder_connector(dev);
2018 
2019 	return true;
2020 }
2021 
2022 static bool radeon_apply_legacy_quirks(struct drm_device *dev,
2023 				       int bios_index,
2024 				       enum radeon_combios_connector
2025 				       *legacy_connector,
2026 				       struct radeon_i2c_bus_rec *ddc_i2c,
2027 				       struct radeon_hpd *hpd)
2028 {
2029 
2030 	/* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
2031 	   one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
2032 	if (dev->pdev->device == 0x515e &&
2033 	    dev->pdev->subsystem_vendor == 0x1014) {
2034 		if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
2035 		    ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
2036 			return false;
2037 	}
2038 
2039 	/* X300 card with extra non-existent DVI port */
2040 	if (dev->pdev->device == 0x5B60 &&
2041 	    dev->pdev->subsystem_vendor == 0x17af &&
2042 	    dev->pdev->subsystem_device == 0x201e && bios_index == 2) {
2043 		if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
2044 			return false;
2045 	}
2046 
2047 	return true;
2048 }
2049 
2050 static bool radeon_apply_legacy_tv_quirks(struct drm_device *dev)
2051 {
2052 	/* Acer 5102 has non-existent TV port */
2053 	if (dev->pdev->device == 0x5975 &&
2054 	    dev->pdev->subsystem_vendor == 0x1025 &&
2055 	    dev->pdev->subsystem_device == 0x009f)
2056 		return false;
2057 
2058 	/* HP dc5750 has non-existent TV port */
2059 	if (dev->pdev->device == 0x5974 &&
2060 	    dev->pdev->subsystem_vendor == 0x103c &&
2061 	    dev->pdev->subsystem_device == 0x280a)
2062 		return false;
2063 
2064 	/* MSI S270 has non-existent TV port */
2065 	if (dev->pdev->device == 0x5955 &&
2066 	    dev->pdev->subsystem_vendor == 0x1462 &&
2067 	    dev->pdev->subsystem_device == 0x0131)
2068 		return false;
2069 
2070 	return true;
2071 }
2072 
2073 static uint16_t combios_check_dl_dvi(struct drm_device *dev, int is_dvi_d)
2074 {
2075 	struct radeon_device *rdev = dev->dev_private;
2076 	uint32_t ext_tmds_info;
2077 
2078 	if (rdev->flags & RADEON_IS_IGP) {
2079 		if (is_dvi_d)
2080 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2081 		else
2082 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2083 	}
2084 	ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2085 	if (ext_tmds_info) {
2086 		uint8_t rev = RBIOS8(ext_tmds_info);
2087 		uint8_t flags = RBIOS8(ext_tmds_info + 4 + 5);
2088 		if (rev >= 3) {
2089 			if (is_dvi_d)
2090 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2091 			else
2092 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2093 		} else {
2094 			if (flags & 1) {
2095 				if (is_dvi_d)
2096 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2097 				else
2098 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2099 			}
2100 		}
2101 	}
2102 	if (is_dvi_d)
2103 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2104 	else
2105 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2106 }
2107 
2108 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
2109 {
2110 	struct radeon_device *rdev = dev->dev_private;
2111 	uint32_t conn_info, entry, devices;
2112 	uint16_t tmp, connector_object_id;
2113 	enum radeon_combios_ddc ddc_type;
2114 	enum radeon_combios_connector connector;
2115 	int i = 0;
2116 	struct radeon_i2c_bus_rec ddc_i2c;
2117 	struct radeon_hpd hpd;
2118 
2119 	conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
2120 	if (conn_info) {
2121 		for (i = 0; i < 4; i++) {
2122 			entry = conn_info + 2 + i * 2;
2123 
2124 			if (!RBIOS16(entry))
2125 				break;
2126 
2127 			tmp = RBIOS16(entry);
2128 
2129 			connector = (tmp >> 12) & 0xf;
2130 
2131 			ddc_type = (tmp >> 8) & 0xf;
2132 			ddc_i2c = combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2133 
2134 			switch (connector) {
2135 			case CONNECTOR_PROPRIETARY_LEGACY:
2136 			case CONNECTOR_DVI_I_LEGACY:
2137 			case CONNECTOR_DVI_D_LEGACY:
2138 				if ((tmp >> 4) & 0x1)
2139 					hpd.hpd = RADEON_HPD_2;
2140 				else
2141 					hpd.hpd = RADEON_HPD_1;
2142 				break;
2143 			default:
2144 				hpd.hpd = RADEON_HPD_NONE;
2145 				break;
2146 			}
2147 
2148 			if (!radeon_apply_legacy_quirks(dev, i, &connector,
2149 							&ddc_i2c, &hpd))
2150 				continue;
2151 
2152 			switch (connector) {
2153 			case CONNECTOR_PROPRIETARY_LEGACY:
2154 				if ((tmp >> 4) & 0x1)
2155 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2156 				else
2157 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2158 				radeon_add_legacy_encoder(dev,
2159 							  radeon_get_encoder_enum
2160 							  (dev, devices, 0),
2161 							  devices);
2162 				radeon_add_legacy_connector(dev, i, devices,
2163 							    legacy_connector_convert
2164 							    [connector],
2165 							    &ddc_i2c,
2166 							    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
2167 							    &hpd);
2168 				break;
2169 			case CONNECTOR_CRT_LEGACY:
2170 				if (tmp & 0x1) {
2171 					devices = ATOM_DEVICE_CRT2_SUPPORT;
2172 					radeon_add_legacy_encoder(dev,
2173 								  radeon_get_encoder_enum
2174 								  (dev,
2175 								   ATOM_DEVICE_CRT2_SUPPORT,
2176 								   2),
2177 								  ATOM_DEVICE_CRT2_SUPPORT);
2178 				} else {
2179 					devices = ATOM_DEVICE_CRT1_SUPPORT;
2180 					radeon_add_legacy_encoder(dev,
2181 								  radeon_get_encoder_enum
2182 								  (dev,
2183 								   ATOM_DEVICE_CRT1_SUPPORT,
2184 								   1),
2185 								  ATOM_DEVICE_CRT1_SUPPORT);
2186 				}
2187 				radeon_add_legacy_connector(dev,
2188 							    i,
2189 							    devices,
2190 							    legacy_connector_convert
2191 							    [connector],
2192 							    &ddc_i2c,
2193 							    CONNECTOR_OBJECT_ID_VGA,
2194 							    &hpd);
2195 				break;
2196 			case CONNECTOR_DVI_I_LEGACY:
2197 				devices = 0;
2198 				if (tmp & 0x1) {
2199 					devices |= ATOM_DEVICE_CRT2_SUPPORT;
2200 					radeon_add_legacy_encoder(dev,
2201 								  radeon_get_encoder_enum
2202 								  (dev,
2203 								   ATOM_DEVICE_CRT2_SUPPORT,
2204 								   2),
2205 								  ATOM_DEVICE_CRT2_SUPPORT);
2206 				} else {
2207 					devices |= ATOM_DEVICE_CRT1_SUPPORT;
2208 					radeon_add_legacy_encoder(dev,
2209 								  radeon_get_encoder_enum
2210 								  (dev,
2211 								   ATOM_DEVICE_CRT1_SUPPORT,
2212 								   1),
2213 								  ATOM_DEVICE_CRT1_SUPPORT);
2214 				}
2215 				if ((tmp >> 4) & 0x1) {
2216 					devices |= ATOM_DEVICE_DFP2_SUPPORT;
2217 					radeon_add_legacy_encoder(dev,
2218 								  radeon_get_encoder_enum
2219 								  (dev,
2220 								   ATOM_DEVICE_DFP2_SUPPORT,
2221 								   0),
2222 								  ATOM_DEVICE_DFP2_SUPPORT);
2223 					connector_object_id = combios_check_dl_dvi(dev, 0);
2224 				} else {
2225 					devices |= ATOM_DEVICE_DFP1_SUPPORT;
2226 					radeon_add_legacy_encoder(dev,
2227 								  radeon_get_encoder_enum
2228 								  (dev,
2229 								   ATOM_DEVICE_DFP1_SUPPORT,
2230 								   0),
2231 								  ATOM_DEVICE_DFP1_SUPPORT);
2232 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2233 				}
2234 				radeon_add_legacy_connector(dev,
2235 							    i,
2236 							    devices,
2237 							    legacy_connector_convert
2238 							    [connector],
2239 							    &ddc_i2c,
2240 							    connector_object_id,
2241 							    &hpd);
2242 				break;
2243 			case CONNECTOR_DVI_D_LEGACY:
2244 				if ((tmp >> 4) & 0x1) {
2245 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2246 					connector_object_id = combios_check_dl_dvi(dev, 1);
2247 				} else {
2248 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2249 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2250 				}
2251 				radeon_add_legacy_encoder(dev,
2252 							  radeon_get_encoder_enum
2253 							  (dev, devices, 0),
2254 							  devices);
2255 				radeon_add_legacy_connector(dev, i, devices,
2256 							    legacy_connector_convert
2257 							    [connector],
2258 							    &ddc_i2c,
2259 							    connector_object_id,
2260 							    &hpd);
2261 				break;
2262 			case CONNECTOR_CTV_LEGACY:
2263 			case CONNECTOR_STV_LEGACY:
2264 				radeon_add_legacy_encoder(dev,
2265 							  radeon_get_encoder_enum
2266 							  (dev,
2267 							   ATOM_DEVICE_TV1_SUPPORT,
2268 							   2),
2269 							  ATOM_DEVICE_TV1_SUPPORT);
2270 				radeon_add_legacy_connector(dev, i,
2271 							    ATOM_DEVICE_TV1_SUPPORT,
2272 							    legacy_connector_convert
2273 							    [connector],
2274 							    &ddc_i2c,
2275 							    CONNECTOR_OBJECT_ID_SVIDEO,
2276 							    &hpd);
2277 				break;
2278 			default:
2279 				DRM_ERROR("Unknown connector type: %d\n",
2280 					  connector);
2281 				continue;
2282 			}
2283 
2284 		}
2285 	} else {
2286 		uint16_t tmds_info =
2287 		    combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
2288 		if (tmds_info) {
2289 			DRM_DEBUG_KMS("Found DFP table, assuming DVI connector\n");
2290 
2291 			radeon_add_legacy_encoder(dev,
2292 						  radeon_get_encoder_enum(dev,
2293 									ATOM_DEVICE_CRT1_SUPPORT,
2294 									1),
2295 						  ATOM_DEVICE_CRT1_SUPPORT);
2296 			radeon_add_legacy_encoder(dev,
2297 						  radeon_get_encoder_enum(dev,
2298 									ATOM_DEVICE_DFP1_SUPPORT,
2299 									0),
2300 						  ATOM_DEVICE_DFP1_SUPPORT);
2301 
2302 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2303 			hpd.hpd = RADEON_HPD_1;
2304 			radeon_add_legacy_connector(dev,
2305 						    0,
2306 						    ATOM_DEVICE_CRT1_SUPPORT |
2307 						    ATOM_DEVICE_DFP1_SUPPORT,
2308 						    DRM_MODE_CONNECTOR_DVII,
2309 						    &ddc_i2c,
2310 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2311 						    &hpd);
2312 		} else {
2313 			uint16_t crt_info =
2314 				combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
2315 			DRM_DEBUG_KMS("Found CRT table, assuming VGA connector\n");
2316 			if (crt_info) {
2317 				radeon_add_legacy_encoder(dev,
2318 							  radeon_get_encoder_enum(dev,
2319 										ATOM_DEVICE_CRT1_SUPPORT,
2320 										1),
2321 							  ATOM_DEVICE_CRT1_SUPPORT);
2322 				ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2323 				hpd.hpd = RADEON_HPD_NONE;
2324 				radeon_add_legacy_connector(dev,
2325 							    0,
2326 							    ATOM_DEVICE_CRT1_SUPPORT,
2327 							    DRM_MODE_CONNECTOR_VGA,
2328 							    &ddc_i2c,
2329 							    CONNECTOR_OBJECT_ID_VGA,
2330 							    &hpd);
2331 			} else {
2332 				DRM_DEBUG_KMS("No connector info found\n");
2333 				return false;
2334 			}
2335 		}
2336 	}
2337 
2338 	if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
2339 		uint16_t lcd_info =
2340 		    combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
2341 		if (lcd_info) {
2342 			uint16_t lcd_ddc_info =
2343 			    combios_get_table_offset(dev,
2344 						     COMBIOS_LCD_DDC_INFO_TABLE);
2345 
2346 			radeon_add_legacy_encoder(dev,
2347 						  radeon_get_encoder_enum(dev,
2348 									ATOM_DEVICE_LCD1_SUPPORT,
2349 									0),
2350 						  ATOM_DEVICE_LCD1_SUPPORT);
2351 
2352 			if (lcd_ddc_info) {
2353 				ddc_type = RBIOS8(lcd_ddc_info + 2);
2354 				switch (ddc_type) {
2355 				case DDC_LCD:
2356 					ddc_i2c =
2357 						combios_setup_i2c_bus(rdev,
2358 								      DDC_LCD,
2359 								      RBIOS32(lcd_ddc_info + 3),
2360 								      RBIOS32(lcd_ddc_info + 7));
2361 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2362 					break;
2363 				case DDC_GPIO:
2364 					ddc_i2c =
2365 						combios_setup_i2c_bus(rdev,
2366 								      DDC_GPIO,
2367 								      RBIOS32(lcd_ddc_info + 3),
2368 								      RBIOS32(lcd_ddc_info + 7));
2369 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2370 					break;
2371 				default:
2372 					ddc_i2c =
2373 						combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2374 					break;
2375 				}
2376 				DRM_DEBUG_KMS("LCD DDC Info Table found!\n");
2377 			} else
2378 				ddc_i2c.valid = false;
2379 
2380 			hpd.hpd = RADEON_HPD_NONE;
2381 			radeon_add_legacy_connector(dev,
2382 						    5,
2383 						    ATOM_DEVICE_LCD1_SUPPORT,
2384 						    DRM_MODE_CONNECTOR_LVDS,
2385 						    &ddc_i2c,
2386 						    CONNECTOR_OBJECT_ID_LVDS,
2387 						    &hpd);
2388 		}
2389 	}
2390 
2391 	/* check TV table */
2392 	if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
2393 		uint32_t tv_info =
2394 		    combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
2395 		if (tv_info) {
2396 			if (RBIOS8(tv_info + 6) == 'T') {
2397 				if (radeon_apply_legacy_tv_quirks(dev)) {
2398 					hpd.hpd = RADEON_HPD_NONE;
2399 					ddc_i2c.valid = false;
2400 					radeon_add_legacy_encoder(dev,
2401 								  radeon_get_encoder_enum
2402 								  (dev,
2403 								   ATOM_DEVICE_TV1_SUPPORT,
2404 								   2),
2405 								  ATOM_DEVICE_TV1_SUPPORT);
2406 					radeon_add_legacy_connector(dev, 6,
2407 								    ATOM_DEVICE_TV1_SUPPORT,
2408 								    DRM_MODE_CONNECTOR_SVIDEO,
2409 								    &ddc_i2c,
2410 								    CONNECTOR_OBJECT_ID_SVIDEO,
2411 								    &hpd);
2412 				}
2413 			}
2414 		}
2415 	}
2416 
2417 	radeon_link_encoder_connector(dev);
2418 
2419 	return true;
2420 }
2421 
2422 void radeon_combios_get_power_modes(struct radeon_device *rdev)
2423 {
2424 	struct drm_device *dev = rdev->ddev;
2425 	u16 offset, misc, misc2 = 0;
2426 	u8 rev, blocks, tmp;
2427 	int state_index = 0;
2428 
2429 	rdev->pm.default_power_state_index = -1;
2430 
2431 	if (rdev->flags & RADEON_IS_MOBILITY) {
2432 		offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
2433 		if (offset) {
2434 			rev = RBIOS8(offset);
2435 			blocks = RBIOS8(offset + 0x2);
2436 			/* power mode 0 tends to be the only valid one */
2437 			rdev->pm.power_state[state_index].num_clock_modes = 1;
2438 			rdev->pm.power_state[state_index].clock_info[0].mclk = RBIOS32(offset + 0x5 + 0x2);
2439 			rdev->pm.power_state[state_index].clock_info[0].sclk = RBIOS32(offset + 0x5 + 0x6);
2440 			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2441 			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2442 				goto default_mode;
2443 			rdev->pm.power_state[state_index].type =
2444 				POWER_STATE_TYPE_BATTERY;
2445 			misc = RBIOS16(offset + 0x5 + 0x0);
2446 			if (rev > 4)
2447 				misc2 = RBIOS16(offset + 0x5 + 0xe);
2448 			rdev->pm.power_state[state_index].misc = misc;
2449 			rdev->pm.power_state[state_index].misc2 = misc2;
2450 			if (misc & 0x4) {
2451 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
2452 				if (misc & 0x8)
2453 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2454 						true;
2455 				else
2456 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2457 						false;
2458 				rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = true;
2459 				if (rev < 6) {
2460 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2461 						RBIOS16(offset + 0x5 + 0xb) * 4;
2462 					tmp = RBIOS8(offset + 0x5 + 0xd);
2463 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2464 				} else {
2465 					u8 entries = RBIOS8(offset + 0x5 + 0xb);
2466 					u16 voltage_table_offset = RBIOS16(offset + 0x5 + 0xc);
2467 					if (entries && voltage_table_offset) {
2468 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2469 							RBIOS16(voltage_table_offset) * 4;
2470 						tmp = RBIOS8(voltage_table_offset + 0x2);
2471 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2472 					} else
2473 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = false;
2474 				}
2475 				switch ((misc2 & 0x700) >> 8) {
2476 				case 0:
2477 				default:
2478 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 0;
2479 					break;
2480 				case 1:
2481 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 33;
2482 					break;
2483 				case 2:
2484 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 66;
2485 					break;
2486 				case 3:
2487 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 99;
2488 					break;
2489 				case 4:
2490 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 132;
2491 					break;
2492 				}
2493 			} else
2494 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2495 			if (rev > 6)
2496 				rdev->pm.power_state[state_index].pcie_lanes =
2497 					RBIOS8(offset + 0x5 + 0x10);
2498 			rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2499 			state_index++;
2500 		} else {
2501 			/* XXX figure out some good default low power mode for mobility cards w/out power tables */
2502 		}
2503 	} else {
2504 		/* XXX figure out some good default low power mode for desktop cards */
2505 	}
2506 
2507 default_mode:
2508 	/* add the default mode */
2509 	rdev->pm.power_state[state_index].type =
2510 		POWER_STATE_TYPE_DEFAULT;
2511 	rdev->pm.power_state[state_index].num_clock_modes = 1;
2512 	rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
2513 	rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
2514 	rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
2515 	if ((state_index > 0) &&
2516 	    (rdev->pm.power_state[0].clock_info[0].voltage.type == VOLTAGE_GPIO))
2517 		rdev->pm.power_state[state_index].clock_info[0].voltage =
2518 			rdev->pm.power_state[0].clock_info[0].voltage;
2519 	else
2520 		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2521 	rdev->pm.power_state[state_index].pcie_lanes = 16;
2522 	rdev->pm.power_state[state_index].flags = 0;
2523 	rdev->pm.default_power_state_index = state_index;
2524 	rdev->pm.num_power_states = state_index + 1;
2525 
2526 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2527 	rdev->pm.current_clock_mode_index = 0;
2528 }
2529 
2530 void radeon_external_tmds_setup(struct drm_encoder *encoder)
2531 {
2532 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2533 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2534 
2535 	if (!tmds)
2536 		return;
2537 
2538 	switch (tmds->dvo_chip) {
2539 	case DVO_SIL164:
2540 		/* sil 164 */
2541 		radeon_i2c_put_byte(tmds->i2c_bus,
2542 				    tmds->slave_addr,
2543 				    0x08, 0x30);
2544 		radeon_i2c_put_byte(tmds->i2c_bus,
2545 				       tmds->slave_addr,
2546 				       0x09, 0x00);
2547 		radeon_i2c_put_byte(tmds->i2c_bus,
2548 				    tmds->slave_addr,
2549 				    0x0a, 0x90);
2550 		radeon_i2c_put_byte(tmds->i2c_bus,
2551 				    tmds->slave_addr,
2552 				    0x0c, 0x89);
2553 		radeon_i2c_put_byte(tmds->i2c_bus,
2554 				       tmds->slave_addr,
2555 				       0x08, 0x3b);
2556 		break;
2557 	case DVO_SIL1178:
2558 		/* sil 1178 - untested */
2559 		/*
2560 		 * 0x0f, 0x44
2561 		 * 0x0f, 0x4c
2562 		 * 0x0e, 0x01
2563 		 * 0x0a, 0x80
2564 		 * 0x09, 0x30
2565 		 * 0x0c, 0xc9
2566 		 * 0x0d, 0x70
2567 		 * 0x08, 0x32
2568 		 * 0x08, 0x33
2569 		 */
2570 		break;
2571 	default:
2572 		break;
2573 	}
2574 
2575 }
2576 
2577 bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
2578 {
2579 	struct drm_device *dev = encoder->dev;
2580 	struct radeon_device *rdev = dev->dev_private;
2581 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2582 	uint16_t offset;
2583 	uint8_t blocks, slave_addr, rev;
2584 	uint32_t index, id;
2585 	uint32_t reg, val, and_mask, or_mask;
2586 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2587 
2588 	if (!tmds)
2589 		return false;
2590 
2591 	if (rdev->flags & RADEON_IS_IGP) {
2592 		offset = combios_get_table_offset(dev, COMBIOS_TMDS_POWER_ON_TABLE);
2593 		rev = RBIOS8(offset);
2594 		if (offset) {
2595 			rev = RBIOS8(offset);
2596 			if (rev > 1) {
2597 				blocks = RBIOS8(offset + 3);
2598 				index = offset + 4;
2599 				while (blocks > 0) {
2600 					id = RBIOS16(index);
2601 					index += 2;
2602 					switch (id >> 13) {
2603 					case 0:
2604 						reg = (id & 0x1fff) * 4;
2605 						val = RBIOS32(index);
2606 						index += 4;
2607 						WREG32(reg, val);
2608 						break;
2609 					case 2:
2610 						reg = (id & 0x1fff) * 4;
2611 						and_mask = RBIOS32(index);
2612 						index += 4;
2613 						or_mask = RBIOS32(index);
2614 						index += 4;
2615 						val = RREG32(reg);
2616 						val = (val & and_mask) | or_mask;
2617 						WREG32(reg, val);
2618 						break;
2619 					case 3:
2620 						val = RBIOS16(index);
2621 						index += 2;
2622 						udelay(val);
2623 						break;
2624 					case 4:
2625 						val = RBIOS16(index);
2626 						index += 2;
2627 						udelay(val * 1000);
2628 						break;
2629 					case 6:
2630 						slave_addr = id & 0xff;
2631 						slave_addr >>= 1; /* 7 bit addressing */
2632 						index++;
2633 						reg = RBIOS8(index);
2634 						index++;
2635 						val = RBIOS8(index);
2636 						index++;
2637 						radeon_i2c_put_byte(tmds->i2c_bus,
2638 								    slave_addr,
2639 								    reg, val);
2640 						break;
2641 					default:
2642 						DRM_ERROR("Unknown id %d\n", id >> 13);
2643 						break;
2644 					}
2645 					blocks--;
2646 				}
2647 				return true;
2648 			}
2649 		}
2650 	} else {
2651 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2652 		if (offset) {
2653 			index = offset + 10;
2654 			id = RBIOS16(index);
2655 			while (id != 0xffff) {
2656 				index += 2;
2657 				switch (id >> 13) {
2658 				case 0:
2659 					reg = (id & 0x1fff) * 4;
2660 					val = RBIOS32(index);
2661 					WREG32(reg, val);
2662 					break;
2663 				case 2:
2664 					reg = (id & 0x1fff) * 4;
2665 					and_mask = RBIOS32(index);
2666 					index += 4;
2667 					or_mask = RBIOS32(index);
2668 					index += 4;
2669 					val = RREG32(reg);
2670 					val = (val & and_mask) | or_mask;
2671 					WREG32(reg, val);
2672 					break;
2673 				case 4:
2674 					val = RBIOS16(index);
2675 					index += 2;
2676 					udelay(val);
2677 					break;
2678 				case 5:
2679 					reg = id & 0x1fff;
2680 					and_mask = RBIOS32(index);
2681 					index += 4;
2682 					or_mask = RBIOS32(index);
2683 					index += 4;
2684 					val = RREG32_PLL(reg);
2685 					val = (val & and_mask) | or_mask;
2686 					WREG32_PLL(reg, val);
2687 					break;
2688 				case 6:
2689 					reg = id & 0x1fff;
2690 					val = RBIOS8(index);
2691 					index += 1;
2692 					radeon_i2c_put_byte(tmds->i2c_bus,
2693 							    tmds->slave_addr,
2694 							    reg, val);
2695 					break;
2696 				default:
2697 					DRM_ERROR("Unknown id %d\n", id >> 13);
2698 					break;
2699 				}
2700 				id = RBIOS16(index);
2701 			}
2702 			return true;
2703 		}
2704 	}
2705 	return false;
2706 }
2707 
2708 static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
2709 {
2710 	struct radeon_device *rdev = dev->dev_private;
2711 
2712 	if (offset) {
2713 		while (RBIOS16(offset)) {
2714 			uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
2715 			uint32_t addr = (RBIOS16(offset) & 0x1fff);
2716 			uint32_t val, and_mask, or_mask;
2717 			uint32_t tmp;
2718 
2719 			offset += 2;
2720 			switch (cmd) {
2721 			case 0:
2722 				val = RBIOS32(offset);
2723 				offset += 4;
2724 				WREG32(addr, val);
2725 				break;
2726 			case 1:
2727 				val = RBIOS32(offset);
2728 				offset += 4;
2729 				WREG32(addr, val);
2730 				break;
2731 			case 2:
2732 				and_mask = RBIOS32(offset);
2733 				offset += 4;
2734 				or_mask = RBIOS32(offset);
2735 				offset += 4;
2736 				tmp = RREG32(addr);
2737 				tmp &= and_mask;
2738 				tmp |= or_mask;
2739 				WREG32(addr, tmp);
2740 				break;
2741 			case 3:
2742 				and_mask = RBIOS32(offset);
2743 				offset += 4;
2744 				or_mask = RBIOS32(offset);
2745 				offset += 4;
2746 				tmp = RREG32(addr);
2747 				tmp &= and_mask;
2748 				tmp |= or_mask;
2749 				WREG32(addr, tmp);
2750 				break;
2751 			case 4:
2752 				val = RBIOS16(offset);
2753 				offset += 2;
2754 				udelay(val);
2755 				break;
2756 			case 5:
2757 				val = RBIOS16(offset);
2758 				offset += 2;
2759 				switch (addr) {
2760 				case 8:
2761 					while (val--) {
2762 						if (!
2763 						    (RREG32_PLL
2764 						     (RADEON_CLK_PWRMGT_CNTL) &
2765 						     RADEON_MC_BUSY))
2766 							break;
2767 					}
2768 					break;
2769 				case 9:
2770 					while (val--) {
2771 						if ((RREG32(RADEON_MC_STATUS) &
2772 						     RADEON_MC_IDLE))
2773 							break;
2774 					}
2775 					break;
2776 				default:
2777 					break;
2778 				}
2779 				break;
2780 			default:
2781 				break;
2782 			}
2783 		}
2784 	}
2785 }
2786 
2787 static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
2788 {
2789 	struct radeon_device *rdev = dev->dev_private;
2790 
2791 	if (offset) {
2792 		while (RBIOS8(offset)) {
2793 			uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
2794 			uint8_t addr = (RBIOS8(offset) & 0x3f);
2795 			uint32_t val, shift, tmp;
2796 			uint32_t and_mask, or_mask;
2797 
2798 			offset++;
2799 			switch (cmd) {
2800 			case 0:
2801 				val = RBIOS32(offset);
2802 				offset += 4;
2803 				WREG32_PLL(addr, val);
2804 				break;
2805 			case 1:
2806 				shift = RBIOS8(offset) * 8;
2807 				offset++;
2808 				and_mask = RBIOS8(offset) << shift;
2809 				and_mask |= ~(0xff << shift);
2810 				offset++;
2811 				or_mask = RBIOS8(offset) << shift;
2812 				offset++;
2813 				tmp = RREG32_PLL(addr);
2814 				tmp &= and_mask;
2815 				tmp |= or_mask;
2816 				WREG32_PLL(addr, tmp);
2817 				break;
2818 			case 2:
2819 			case 3:
2820 				tmp = 1000;
2821 				switch (addr) {
2822 				case 1:
2823 					udelay(150);
2824 					break;
2825 				case 2:
2826 					udelay(1000);
2827 					break;
2828 				case 3:
2829 					while (tmp--) {
2830 						if (!
2831 						    (RREG32_PLL
2832 						     (RADEON_CLK_PWRMGT_CNTL) &
2833 						     RADEON_MC_BUSY))
2834 							break;
2835 					}
2836 					break;
2837 				case 4:
2838 					while (tmp--) {
2839 						if (RREG32_PLL
2840 						    (RADEON_CLK_PWRMGT_CNTL) &
2841 						    RADEON_DLL_READY)
2842 							break;
2843 					}
2844 					break;
2845 				case 5:
2846 					tmp =
2847 					    RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
2848 					if (tmp & RADEON_CG_NO1_DEBUG_0) {
2849 #if 0
2850 						uint32_t mclk_cntl =
2851 						    RREG32_PLL
2852 						    (RADEON_MCLK_CNTL);
2853 						mclk_cntl &= 0xffff0000;
2854 						/*mclk_cntl |= 0x00001111;*//* ??? */
2855 						WREG32_PLL(RADEON_MCLK_CNTL,
2856 							   mclk_cntl);
2857 						udelay(10000);
2858 #endif
2859 						WREG32_PLL
2860 						    (RADEON_CLK_PWRMGT_CNTL,
2861 						     tmp &
2862 						     ~RADEON_CG_NO1_DEBUG_0);
2863 						udelay(10000);
2864 					}
2865 					break;
2866 				default:
2867 					break;
2868 				}
2869 				break;
2870 			default:
2871 				break;
2872 			}
2873 		}
2874 	}
2875 }
2876 
2877 static void combios_parse_ram_reset_table(struct drm_device *dev,
2878 					  uint16_t offset)
2879 {
2880 	struct radeon_device *rdev = dev->dev_private;
2881 	uint32_t tmp;
2882 
2883 	if (offset) {
2884 		uint8_t val = RBIOS8(offset);
2885 		while (val != 0xff) {
2886 			offset++;
2887 
2888 			if (val == 0x0f) {
2889 				uint32_t channel_complete_mask;
2890 
2891 				if (ASIC_IS_R300(rdev))
2892 					channel_complete_mask =
2893 					    R300_MEM_PWRUP_COMPLETE;
2894 				else
2895 					channel_complete_mask =
2896 					    RADEON_MEM_PWRUP_COMPLETE;
2897 				tmp = 20000;
2898 				while (tmp--) {
2899 					if ((RREG32(RADEON_MEM_STR_CNTL) &
2900 					     channel_complete_mask) ==
2901 					    channel_complete_mask)
2902 						break;
2903 				}
2904 			} else {
2905 				uint32_t or_mask = RBIOS16(offset);
2906 				offset += 2;
2907 
2908 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2909 				tmp &= RADEON_SDRAM_MODE_MASK;
2910 				tmp |= or_mask;
2911 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
2912 
2913 				or_mask = val << 24;
2914 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2915 				tmp &= RADEON_B3MEM_RESET_MASK;
2916 				tmp |= or_mask;
2917 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
2918 			}
2919 			val = RBIOS8(offset);
2920 		}
2921 	}
2922 }
2923 
2924 static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
2925 				   int mem_addr_mapping)
2926 {
2927 	struct radeon_device *rdev = dev->dev_private;
2928 	uint32_t mem_cntl;
2929 	uint32_t mem_size;
2930 	uint32_t addr = 0;
2931 
2932 	mem_cntl = RREG32(RADEON_MEM_CNTL);
2933 	if (mem_cntl & RV100_HALF_MODE)
2934 		ram /= 2;
2935 	mem_size = ram;
2936 	mem_cntl &= ~(0xff << 8);
2937 	mem_cntl |= (mem_addr_mapping & 0xff) << 8;
2938 	WREG32(RADEON_MEM_CNTL, mem_cntl);
2939 	RREG32(RADEON_MEM_CNTL);
2940 
2941 	/* sdram reset ? */
2942 
2943 	/* something like this????  */
2944 	while (ram--) {
2945 		addr = ram * 1024 * 1024;
2946 		/* write to each page */
2947 		WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
2948 		WREG32(RADEON_MM_DATA, 0xdeadbeef);
2949 		/* read back and verify */
2950 		WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
2951 		if (RREG32(RADEON_MM_DATA) != 0xdeadbeef)
2952 			return 0;
2953 	}
2954 
2955 	return mem_size;
2956 }
2957 
2958 static void combios_write_ram_size(struct drm_device *dev)
2959 {
2960 	struct radeon_device *rdev = dev->dev_private;
2961 	uint8_t rev;
2962 	uint16_t offset;
2963 	uint32_t mem_size = 0;
2964 	uint32_t mem_cntl = 0;
2965 
2966 	/* should do something smarter here I guess... */
2967 	if (rdev->flags & RADEON_IS_IGP)
2968 		return;
2969 
2970 	/* first check detected mem table */
2971 	offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
2972 	if (offset) {
2973 		rev = RBIOS8(offset);
2974 		if (rev < 3) {
2975 			mem_cntl = RBIOS32(offset + 1);
2976 			mem_size = RBIOS16(offset + 5);
2977 			if ((rdev->family < CHIP_R200) &&
2978 			    !ASIC_IS_RN50(rdev))
2979 				WREG32(RADEON_MEM_CNTL, mem_cntl);
2980 		}
2981 	}
2982 
2983 	if (!mem_size) {
2984 		offset =
2985 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
2986 		if (offset) {
2987 			rev = RBIOS8(offset - 1);
2988 			if (rev < 1) {
2989 				if ((rdev->family < CHIP_R200)
2990 				    && !ASIC_IS_RN50(rdev)) {
2991 					int ram = 0;
2992 					int mem_addr_mapping = 0;
2993 
2994 					while (RBIOS8(offset)) {
2995 						ram = RBIOS8(offset);
2996 						mem_addr_mapping =
2997 						    RBIOS8(offset + 1);
2998 						if (mem_addr_mapping != 0x25)
2999 							ram *= 2;
3000 						mem_size =
3001 						    combios_detect_ram(dev, ram,
3002 								       mem_addr_mapping);
3003 						if (mem_size)
3004 							break;
3005 						offset += 2;
3006 					}
3007 				} else
3008 					mem_size = RBIOS8(offset);
3009 			} else {
3010 				mem_size = RBIOS8(offset);
3011 				mem_size *= 2;	/* convert to MB */
3012 			}
3013 		}
3014 	}
3015 
3016 	mem_size *= (1024 * 1024);	/* convert to bytes */
3017 	WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
3018 }
3019 
3020 void radeon_combios_dyn_clk_setup(struct drm_device *dev, int enable)
3021 {
3022 	uint16_t dyn_clk_info =
3023 	    combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3024 
3025 	if (dyn_clk_info)
3026 		combios_parse_pll_table(dev, dyn_clk_info);
3027 }
3028 
3029 void radeon_combios_asic_init(struct drm_device *dev)
3030 {
3031 	struct radeon_device *rdev = dev->dev_private;
3032 	uint16_t table;
3033 
3034 	/* port hardcoded mac stuff from radeonfb */
3035 	if (rdev->bios == NULL)
3036 		return;
3037 
3038 	/* ASIC INIT 1 */
3039 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE);
3040 	if (table)
3041 		combios_parse_mmio_table(dev, table);
3042 
3043 	/* PLL INIT */
3044 	table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE);
3045 	if (table)
3046 		combios_parse_pll_table(dev, table);
3047 
3048 	/* ASIC INIT 2 */
3049 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE);
3050 	if (table)
3051 		combios_parse_mmio_table(dev, table);
3052 
3053 	if (!(rdev->flags & RADEON_IS_IGP)) {
3054 		/* ASIC INIT 4 */
3055 		table =
3056 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE);
3057 		if (table)
3058 			combios_parse_mmio_table(dev, table);
3059 
3060 		/* RAM RESET */
3061 		table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE);
3062 		if (table)
3063 			combios_parse_ram_reset_table(dev, table);
3064 
3065 		/* ASIC INIT 3 */
3066 		table =
3067 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE);
3068 		if (table)
3069 			combios_parse_mmio_table(dev, table);
3070 
3071 		/* write CONFIG_MEMSIZE */
3072 		combios_write_ram_size(dev);
3073 	}
3074 
3075 	/* quirk for rs4xx HP nx6125 laptop to make it resume
3076 	 * - it hangs on resume inside the dynclk 1 table.
3077 	 */
3078 	if (rdev->family == CHIP_RS480 &&
3079 	    rdev->pdev->subsystem_vendor == 0x103c &&
3080 	    rdev->pdev->subsystem_device == 0x308b)
3081 		return;
3082 
3083 	/* quirk for rs4xx HP dv5000 laptop to make it resume
3084 	 * - it hangs on resume inside the dynclk 1 table.
3085 	 */
3086 	if (rdev->family == CHIP_RS480 &&
3087 	    rdev->pdev->subsystem_vendor == 0x103c &&
3088 	    rdev->pdev->subsystem_device == 0x30a4)
3089 		return;
3090 
3091 	/* DYN CLK 1 */
3092 	table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3093 	if (table)
3094 		combios_parse_pll_table(dev, table);
3095 
3096 }
3097 
3098 void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
3099 {
3100 	struct radeon_device *rdev = dev->dev_private;
3101 	uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
3102 
3103 	bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
3104 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3105 	bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
3106 
3107 	/* let the bios control the backlight */
3108 	bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
3109 
3110 	/* tell the bios not to handle mode switching */
3111 	bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
3112 			   RADEON_ACC_MODE_CHANGE);
3113 
3114 	/* tell the bios a driver is loaded */
3115 	bios_7_scratch |= RADEON_DRV_LOADED;
3116 
3117 	WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
3118 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3119 	WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
3120 }
3121 
3122 void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
3123 {
3124 	struct drm_device *dev = encoder->dev;
3125 	struct radeon_device *rdev = dev->dev_private;
3126 	uint32_t bios_6_scratch;
3127 
3128 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3129 
3130 	if (lock)
3131 		bios_6_scratch |= RADEON_DRIVER_CRITICAL;
3132 	else
3133 		bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
3134 
3135 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3136 }
3137 
3138 void
3139 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
3140 				      struct drm_encoder *encoder,
3141 				      bool connected)
3142 {
3143 	struct drm_device *dev = connector->dev;
3144 	struct radeon_device *rdev = dev->dev_private;
3145 	struct radeon_connector *radeon_connector =
3146 	    to_radeon_connector(connector);
3147 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3148 	uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
3149 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3150 
3151 	if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
3152 	    (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
3153 		if (connected) {
3154 			DRM_DEBUG_KMS("TV1 connected\n");
3155 			/* fix me */
3156 			bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
3157 			/*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
3158 			bios_5_scratch |= RADEON_TV1_ON;
3159 			bios_5_scratch |= RADEON_ACC_REQ_TV1;
3160 		} else {
3161 			DRM_DEBUG_KMS("TV1 disconnected\n");
3162 			bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
3163 			bios_5_scratch &= ~RADEON_TV1_ON;
3164 			bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
3165 		}
3166 	}
3167 	if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
3168 	    (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
3169 		if (connected) {
3170 			DRM_DEBUG_KMS("LCD1 connected\n");
3171 			bios_4_scratch |= RADEON_LCD1_ATTACHED;
3172 			bios_5_scratch |= RADEON_LCD1_ON;
3173 			bios_5_scratch |= RADEON_ACC_REQ_LCD1;
3174 		} else {
3175 			DRM_DEBUG_KMS("LCD1 disconnected\n");
3176 			bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
3177 			bios_5_scratch &= ~RADEON_LCD1_ON;
3178 			bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
3179 		}
3180 	}
3181 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
3182 	    (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
3183 		if (connected) {
3184 			DRM_DEBUG_KMS("CRT1 connected\n");
3185 			bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
3186 			bios_5_scratch |= RADEON_CRT1_ON;
3187 			bios_5_scratch |= RADEON_ACC_REQ_CRT1;
3188 		} else {
3189 			DRM_DEBUG_KMS("CRT1 disconnected\n");
3190 			bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
3191 			bios_5_scratch &= ~RADEON_CRT1_ON;
3192 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
3193 		}
3194 	}
3195 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
3196 	    (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
3197 		if (connected) {
3198 			DRM_DEBUG_KMS("CRT2 connected\n");
3199 			bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
3200 			bios_5_scratch |= RADEON_CRT2_ON;
3201 			bios_5_scratch |= RADEON_ACC_REQ_CRT2;
3202 		} else {
3203 			DRM_DEBUG_KMS("CRT2 disconnected\n");
3204 			bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
3205 			bios_5_scratch &= ~RADEON_CRT2_ON;
3206 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
3207 		}
3208 	}
3209 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
3210 	    (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
3211 		if (connected) {
3212 			DRM_DEBUG_KMS("DFP1 connected\n");
3213 			bios_4_scratch |= RADEON_DFP1_ATTACHED;
3214 			bios_5_scratch |= RADEON_DFP1_ON;
3215 			bios_5_scratch |= RADEON_ACC_REQ_DFP1;
3216 		} else {
3217 			DRM_DEBUG_KMS("DFP1 disconnected\n");
3218 			bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
3219 			bios_5_scratch &= ~RADEON_DFP1_ON;
3220 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
3221 		}
3222 	}
3223 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
3224 	    (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
3225 		if (connected) {
3226 			DRM_DEBUG_KMS("DFP2 connected\n");
3227 			bios_4_scratch |= RADEON_DFP2_ATTACHED;
3228 			bios_5_scratch |= RADEON_DFP2_ON;
3229 			bios_5_scratch |= RADEON_ACC_REQ_DFP2;
3230 		} else {
3231 			DRM_DEBUG_KMS("DFP2 disconnected\n");
3232 			bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
3233 			bios_5_scratch &= ~RADEON_DFP2_ON;
3234 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
3235 		}
3236 	}
3237 	WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
3238 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3239 }
3240 
3241 void
3242 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
3243 {
3244 	struct drm_device *dev = encoder->dev;
3245 	struct radeon_device *rdev = dev->dev_private;
3246 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3247 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3248 
3249 	if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
3250 		bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
3251 		bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
3252 	}
3253 	if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
3254 		bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
3255 		bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
3256 	}
3257 	if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
3258 		bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
3259 		bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
3260 	}
3261 	if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
3262 		bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
3263 		bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
3264 	}
3265 	if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
3266 		bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
3267 		bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
3268 	}
3269 	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
3270 		bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
3271 		bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
3272 	}
3273 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3274 }
3275 
3276 void
3277 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
3278 {
3279 	struct drm_device *dev = encoder->dev;
3280 	struct radeon_device *rdev = dev->dev_private;
3281 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3282 	uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3283 
3284 	if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
3285 		if (on)
3286 			bios_6_scratch |= RADEON_TV_DPMS_ON;
3287 		else
3288 			bios_6_scratch &= ~RADEON_TV_DPMS_ON;
3289 	}
3290 	if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3291 		if (on)
3292 			bios_6_scratch |= RADEON_CRT_DPMS_ON;
3293 		else
3294 			bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
3295 	}
3296 	if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3297 		if (on)
3298 			bios_6_scratch |= RADEON_LCD_DPMS_ON;
3299 		else
3300 			bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
3301 	}
3302 	if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
3303 		if (on)
3304 			bios_6_scratch |= RADEON_DFP_DPMS_ON;
3305 		else
3306 			bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
3307 	}
3308 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3309 }
3310