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 /* this is used for atom LCDs as well */
475 struct edid *
476 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev)
477 {
478 	if (rdev->mode_info.bios_hardcoded_edid)
479 		return rdev->mode_info.bios_hardcoded_edid;
480 	return NULL;
481 }
482 
483 static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
484 						       enum radeon_combios_ddc ddc,
485 						       u32 clk_mask,
486 						       u32 data_mask)
487 {
488 	struct radeon_i2c_bus_rec i2c;
489 	int ddc_line = 0;
490 
491 	/* ddc id            = mask reg
492 	 * DDC_NONE_DETECTED = none
493 	 * DDC_DVI           = RADEON_GPIO_DVI_DDC
494 	 * DDC_VGA           = RADEON_GPIO_VGA_DDC
495 	 * DDC_LCD           = RADEON_GPIOPAD_MASK
496 	 * DDC_GPIO          = RADEON_MDGPIO_MASK
497 	 * r1xx/r2xx
498 	 * DDC_MONID         = RADEON_GPIO_MONID
499 	 * DDC_CRT2          = RADEON_GPIO_CRT2_DDC
500 	 * r3xx
501 	 * DDC_MONID         = RADEON_GPIO_MONID
502 	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
503 	 * rs3xx/rs4xx
504 	 * DDC_MONID         = RADEON_GPIOPAD_MASK
505 	 * DDC_CRT2          = RADEON_GPIO_MONID
506 	 */
507 	switch (ddc) {
508 	case DDC_NONE_DETECTED:
509 	default:
510 		ddc_line = 0;
511 		break;
512 	case DDC_DVI:
513 		ddc_line = RADEON_GPIO_DVI_DDC;
514 		break;
515 	case DDC_VGA:
516 		ddc_line = RADEON_GPIO_VGA_DDC;
517 		break;
518 	case DDC_LCD:
519 		ddc_line = RADEON_GPIOPAD_MASK;
520 		break;
521 	case DDC_GPIO:
522 		ddc_line = RADEON_MDGPIO_MASK;
523 		break;
524 	case DDC_MONID:
525 		if (rdev->family == CHIP_RS300 ||
526 		    rdev->family == CHIP_RS400 ||
527 		    rdev->family == CHIP_RS480)
528 			ddc_line = RADEON_GPIOPAD_MASK;
529 		else
530 			ddc_line = RADEON_GPIO_MONID;
531 		break;
532 	case DDC_CRT2:
533 		if (rdev->family == CHIP_RS300 ||
534 		    rdev->family == CHIP_RS400 ||
535 		    rdev->family == CHIP_RS480)
536 			ddc_line = RADEON_GPIO_MONID;
537 		else if (rdev->family >= CHIP_R300) {
538 			ddc_line = RADEON_GPIO_DVI_DDC;
539 			ddc = DDC_DVI;
540 		} else
541 			ddc_line = RADEON_GPIO_CRT2_DDC;
542 		break;
543 	}
544 
545 	if (ddc_line == RADEON_GPIOPAD_MASK) {
546 		i2c.mask_clk_reg = RADEON_GPIOPAD_MASK;
547 		i2c.mask_data_reg = RADEON_GPIOPAD_MASK;
548 		i2c.a_clk_reg = RADEON_GPIOPAD_A;
549 		i2c.a_data_reg = RADEON_GPIOPAD_A;
550 		i2c.en_clk_reg = RADEON_GPIOPAD_EN;
551 		i2c.en_data_reg = RADEON_GPIOPAD_EN;
552 		i2c.y_clk_reg = RADEON_GPIOPAD_Y;
553 		i2c.y_data_reg = RADEON_GPIOPAD_Y;
554 	} else if (ddc_line == RADEON_MDGPIO_MASK) {
555 		i2c.mask_clk_reg = RADEON_MDGPIO_MASK;
556 		i2c.mask_data_reg = RADEON_MDGPIO_MASK;
557 		i2c.a_clk_reg = RADEON_MDGPIO_A;
558 		i2c.a_data_reg = RADEON_MDGPIO_A;
559 		i2c.en_clk_reg = RADEON_MDGPIO_EN;
560 		i2c.en_data_reg = RADEON_MDGPIO_EN;
561 		i2c.y_clk_reg = RADEON_MDGPIO_Y;
562 		i2c.y_data_reg = RADEON_MDGPIO_Y;
563 	} else {
564 		i2c.mask_clk_reg = ddc_line;
565 		i2c.mask_data_reg = ddc_line;
566 		i2c.a_clk_reg = ddc_line;
567 		i2c.a_data_reg = ddc_line;
568 		i2c.en_clk_reg = ddc_line;
569 		i2c.en_data_reg = ddc_line;
570 		i2c.y_clk_reg = ddc_line;
571 		i2c.y_data_reg = ddc_line;
572 	}
573 
574 	if (clk_mask && data_mask) {
575 		/* system specific masks */
576 		i2c.mask_clk_mask = clk_mask;
577 		i2c.mask_data_mask = data_mask;
578 		i2c.a_clk_mask = clk_mask;
579 		i2c.a_data_mask = data_mask;
580 		i2c.en_clk_mask = clk_mask;
581 		i2c.en_data_mask = data_mask;
582 		i2c.y_clk_mask = clk_mask;
583 		i2c.y_data_mask = data_mask;
584 	} else if ((ddc_line == RADEON_GPIOPAD_MASK) ||
585 		   (ddc_line == RADEON_MDGPIO_MASK)) {
586 		/* default gpiopad masks */
587 		i2c.mask_clk_mask = (0x20 << 8);
588 		i2c.mask_data_mask = 0x80;
589 		i2c.a_clk_mask = (0x20 << 8);
590 		i2c.a_data_mask = 0x80;
591 		i2c.en_clk_mask = (0x20 << 8);
592 		i2c.en_data_mask = 0x80;
593 		i2c.y_clk_mask = (0x20 << 8);
594 		i2c.y_data_mask = 0x80;
595 	} else {
596 		/* default masks for ddc pads */
597 		i2c.mask_clk_mask = RADEON_GPIO_EN_1;
598 		i2c.mask_data_mask = RADEON_GPIO_EN_0;
599 		i2c.a_clk_mask = RADEON_GPIO_A_1;
600 		i2c.a_data_mask = RADEON_GPIO_A_0;
601 		i2c.en_clk_mask = RADEON_GPIO_EN_1;
602 		i2c.en_data_mask = RADEON_GPIO_EN_0;
603 		i2c.y_clk_mask = RADEON_GPIO_Y_1;
604 		i2c.y_data_mask = RADEON_GPIO_Y_0;
605 	}
606 
607 	switch (rdev->family) {
608 	case CHIP_R100:
609 	case CHIP_RV100:
610 	case CHIP_RS100:
611 	case CHIP_RV200:
612 	case CHIP_RS200:
613 	case CHIP_RS300:
614 		switch (ddc_line) {
615 		case RADEON_GPIO_DVI_DDC:
616 			i2c.hw_capable = true;
617 			break;
618 		default:
619 			i2c.hw_capable = false;
620 			break;
621 		}
622 		break;
623 	case CHIP_R200:
624 		switch (ddc_line) {
625 		case RADEON_GPIO_DVI_DDC:
626 		case RADEON_GPIO_MONID:
627 			i2c.hw_capable = true;
628 			break;
629 		default:
630 			i2c.hw_capable = false;
631 			break;
632 		}
633 		break;
634 	case CHIP_RV250:
635 	case CHIP_RV280:
636 		switch (ddc_line) {
637 		case RADEON_GPIO_VGA_DDC:
638 		case RADEON_GPIO_DVI_DDC:
639 		case RADEON_GPIO_CRT2_DDC:
640 			i2c.hw_capable = true;
641 			break;
642 		default:
643 			i2c.hw_capable = false;
644 			break;
645 		}
646 		break;
647 	case CHIP_R300:
648 	case CHIP_R350:
649 		switch (ddc_line) {
650 		case RADEON_GPIO_VGA_DDC:
651 		case RADEON_GPIO_DVI_DDC:
652 			i2c.hw_capable = true;
653 			break;
654 		default:
655 			i2c.hw_capable = false;
656 			break;
657 		}
658 		break;
659 	case CHIP_RV350:
660 	case CHIP_RV380:
661 	case CHIP_RS400:
662 	case CHIP_RS480:
663 		switch (ddc_line) {
664 		case RADEON_GPIO_VGA_DDC:
665 		case RADEON_GPIO_DVI_DDC:
666 			i2c.hw_capable = true;
667 			break;
668 		case RADEON_GPIO_MONID:
669 			/* hw i2c on RADEON_GPIO_MONID doesn't seem to work
670 			 * reliably on some pre-r4xx hardware; not sure why.
671 			 */
672 			i2c.hw_capable = false;
673 			break;
674 		default:
675 			i2c.hw_capable = false;
676 			break;
677 		}
678 		break;
679 	default:
680 		i2c.hw_capable = false;
681 		break;
682 	}
683 	i2c.mm_i2c = false;
684 
685 	i2c.i2c_id = ddc;
686 	i2c.hpd = RADEON_HPD_NONE;
687 
688 	if (ddc_line)
689 		i2c.valid = true;
690 	else
691 		i2c.valid = false;
692 
693 	return i2c;
694 }
695 
696 void radeon_combios_i2c_init(struct radeon_device *rdev)
697 {
698 	struct drm_device *dev = rdev->ddev;
699 	struct radeon_i2c_bus_rec i2c;
700 
701 
702 	i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
703 	rdev->i2c_bus[0] = radeon_i2c_create(dev, &i2c, "DVI_DDC");
704 
705 	i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
706 	rdev->i2c_bus[1] = radeon_i2c_create(dev, &i2c, "VGA_DDC");
707 
708 	i2c.valid = true;
709 	i2c.hw_capable = true;
710 	i2c.mm_i2c = true;
711 	i2c.i2c_id = 0xa0;
712 	rdev->i2c_bus[2] = radeon_i2c_create(dev, &i2c, "MM_I2C");
713 
714 	if (rdev->family == CHIP_RS300 ||
715 	    rdev->family == CHIP_RS400 ||
716 	    rdev->family == CHIP_RS480) {
717 		u16 offset;
718 		u8 id, blocks, clk, data;
719 		int i;
720 
721 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
722 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
723 
724 		offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE);
725 		if (offset) {
726 			blocks = RBIOS8(offset + 2);
727 			for (i = 0; i < blocks; i++) {
728 				id = RBIOS8(offset + 3 + (i * 5) + 0);
729 				if (id == 136) {
730 					clk = RBIOS8(offset + 3 + (i * 5) + 3);
731 					data = RBIOS8(offset + 3 + (i * 5) + 4);
732 					i2c = combios_setup_i2c_bus(rdev, DDC_MONID,
733 								    (1 << clk), (1 << data));
734 					rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "GPIOPAD_MASK");
735 					break;
736 				}
737 			}
738 		}
739 
740 	} else if (rdev->family >= CHIP_R300) {
741 		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
742 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
743 	} else {
744 		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
745 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
746 
747 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
748 		rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "CRT2_DDC");
749 	}
750 }
751 
752 bool radeon_combios_get_clock_info(struct drm_device *dev)
753 {
754 	struct radeon_device *rdev = dev->dev_private;
755 	uint16_t pll_info;
756 	struct radeon_pll *p1pll = &rdev->clock.p1pll;
757 	struct radeon_pll *p2pll = &rdev->clock.p2pll;
758 	struct radeon_pll *spll = &rdev->clock.spll;
759 	struct radeon_pll *mpll = &rdev->clock.mpll;
760 	int8_t rev;
761 	uint16_t sclk, mclk;
762 
763 	pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
764 	if (pll_info) {
765 		rev = RBIOS8(pll_info);
766 
767 		/* pixel clocks */
768 		p1pll->reference_freq = RBIOS16(pll_info + 0xe);
769 		p1pll->reference_div = RBIOS16(pll_info + 0x10);
770 		p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
771 		p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
772 		p1pll->lcd_pll_out_min = p1pll->pll_out_min;
773 		p1pll->lcd_pll_out_max = p1pll->pll_out_max;
774 
775 		if (rev > 9) {
776 			p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
777 			p1pll->pll_in_max = RBIOS32(pll_info + 0x3a);
778 		} else {
779 			p1pll->pll_in_min = 40;
780 			p1pll->pll_in_max = 500;
781 		}
782 		*p2pll = *p1pll;
783 
784 		/* system clock */
785 		spll->reference_freq = RBIOS16(pll_info + 0x1a);
786 		spll->reference_div = RBIOS16(pll_info + 0x1c);
787 		spll->pll_out_min = RBIOS32(pll_info + 0x1e);
788 		spll->pll_out_max = RBIOS32(pll_info + 0x22);
789 
790 		if (rev > 10) {
791 			spll->pll_in_min = RBIOS32(pll_info + 0x48);
792 			spll->pll_in_max = RBIOS32(pll_info + 0x4c);
793 		} else {
794 			/* ??? */
795 			spll->pll_in_min = 40;
796 			spll->pll_in_max = 500;
797 		}
798 
799 		/* memory clock */
800 		mpll->reference_freq = RBIOS16(pll_info + 0x26);
801 		mpll->reference_div = RBIOS16(pll_info + 0x28);
802 		mpll->pll_out_min = RBIOS32(pll_info + 0x2a);
803 		mpll->pll_out_max = RBIOS32(pll_info + 0x2e);
804 
805 		if (rev > 10) {
806 			mpll->pll_in_min = RBIOS32(pll_info + 0x5a);
807 			mpll->pll_in_max = RBIOS32(pll_info + 0x5e);
808 		} else {
809 			/* ??? */
810 			mpll->pll_in_min = 40;
811 			mpll->pll_in_max = 500;
812 		}
813 
814 		/* default sclk/mclk */
815 		sclk = RBIOS16(pll_info + 0xa);
816 		mclk = RBIOS16(pll_info + 0x8);
817 		if (sclk == 0)
818 			sclk = 200 * 100;
819 		if (mclk == 0)
820 			mclk = 200 * 100;
821 
822 		rdev->clock.default_sclk = sclk;
823 		rdev->clock.default_mclk = mclk;
824 
825 		return true;
826 	}
827 	return false;
828 }
829 
830 bool radeon_combios_sideport_present(struct radeon_device *rdev)
831 {
832 	struct drm_device *dev = rdev->ddev;
833 	u16 igp_info;
834 
835 	/* sideport is AMD only */
836 	if (rdev->family == CHIP_RS400)
837 		return false;
838 
839 	igp_info = combios_get_table_offset(dev, COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE);
840 
841 	if (igp_info) {
842 		if (RBIOS16(igp_info + 0x4))
843 			return true;
844 	}
845 	return false;
846 }
847 
848 static const uint32_t default_primarydac_adj[CHIP_LAST] = {
849 	0x00000808,		/* r100  */
850 	0x00000808,		/* rv100 */
851 	0x00000808,		/* rs100 */
852 	0x00000808,		/* rv200 */
853 	0x00000808,		/* rs200 */
854 	0x00000808,		/* r200  */
855 	0x00000808,		/* rv250 */
856 	0x00000000,		/* rs300 */
857 	0x00000808,		/* rv280 */
858 	0x00000808,		/* r300  */
859 	0x00000808,		/* r350  */
860 	0x00000808,		/* rv350 */
861 	0x00000808,		/* rv380 */
862 	0x00000808,		/* r420  */
863 	0x00000808,		/* r423  */
864 	0x00000808,		/* rv410 */
865 	0x00000000,		/* rs400 */
866 	0x00000000,		/* rs480 */
867 };
868 
869 static void radeon_legacy_get_primary_dac_info_from_table(struct radeon_device *rdev,
870 							  struct radeon_encoder_primary_dac *p_dac)
871 {
872 	p_dac->ps2_pdac_adj = default_primarydac_adj[rdev->family];
873 	return;
874 }
875 
876 struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
877 								       radeon_encoder
878 								       *encoder)
879 {
880 	struct drm_device *dev = encoder->base.dev;
881 	struct radeon_device *rdev = dev->dev_private;
882 	uint16_t dac_info;
883 	uint8_t rev, bg, dac;
884 	struct radeon_encoder_primary_dac *p_dac = NULL;
885 	int found = 0;
886 
887 	p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac),
888 			GFP_KERNEL);
889 
890 	if (!p_dac)
891 		return NULL;
892 
893 	/* check CRT table */
894 	dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
895 	if (dac_info) {
896 		rev = RBIOS8(dac_info) & 0x3;
897 		if (rev < 2) {
898 			bg = RBIOS8(dac_info + 0x2) & 0xf;
899 			dac = (RBIOS8(dac_info + 0x2) >> 4) & 0xf;
900 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
901 		} else {
902 			bg = RBIOS8(dac_info + 0x2) & 0xf;
903 			dac = RBIOS8(dac_info + 0x3) & 0xf;
904 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
905 		}
906 		/* if the values are all zeros, use the table */
907 		if (p_dac->ps2_pdac_adj)
908 			found = 1;
909 	}
910 
911 	if (!found) /* fallback to defaults */
912 		radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac);
913 
914 	return p_dac;
915 }
916 
917 enum radeon_tv_std
918 radeon_combios_get_tv_info(struct radeon_device *rdev)
919 {
920 	struct drm_device *dev = rdev->ddev;
921 	uint16_t tv_info;
922 	enum radeon_tv_std tv_std = TV_STD_NTSC;
923 
924 	tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
925 	if (tv_info) {
926 		if (RBIOS8(tv_info + 6) == 'T') {
927 			switch (RBIOS8(tv_info + 7) & 0xf) {
928 			case 1:
929 				tv_std = TV_STD_NTSC;
930 				DRM_DEBUG_KMS("Default TV standard: NTSC\n");
931 				break;
932 			case 2:
933 				tv_std = TV_STD_PAL;
934 				DRM_DEBUG_KMS("Default TV standard: PAL\n");
935 				break;
936 			case 3:
937 				tv_std = TV_STD_PAL_M;
938 				DRM_DEBUG_KMS("Default TV standard: PAL-M\n");
939 				break;
940 			case 4:
941 				tv_std = TV_STD_PAL_60;
942 				DRM_DEBUG_KMS("Default TV standard: PAL-60\n");
943 				break;
944 			case 5:
945 				tv_std = TV_STD_NTSC_J;
946 				DRM_DEBUG_KMS("Default TV standard: NTSC-J\n");
947 				break;
948 			case 6:
949 				tv_std = TV_STD_SCART_PAL;
950 				DRM_DEBUG_KMS("Default TV standard: SCART-PAL\n");
951 				break;
952 			default:
953 				tv_std = TV_STD_NTSC;
954 				DRM_DEBUG_KMS
955 				    ("Unknown TV standard; defaulting to NTSC\n");
956 				break;
957 			}
958 
959 			switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
960 			case 0:
961 				DRM_DEBUG_KMS("29.498928713 MHz TV ref clk\n");
962 				break;
963 			case 1:
964 				DRM_DEBUG_KMS("28.636360000 MHz TV ref clk\n");
965 				break;
966 			case 2:
967 				DRM_DEBUG_KMS("14.318180000 MHz TV ref clk\n");
968 				break;
969 			case 3:
970 				DRM_DEBUG_KMS("27.000000000 MHz TV ref clk\n");
971 				break;
972 			default:
973 				break;
974 			}
975 		}
976 	}
977 	return tv_std;
978 }
979 
980 static const uint32_t default_tvdac_adj[CHIP_LAST] = {
981 	0x00000000,		/* r100  */
982 	0x00280000,		/* rv100 */
983 	0x00000000,		/* rs100 */
984 	0x00880000,		/* rv200 */
985 	0x00000000,		/* rs200 */
986 	0x00000000,		/* r200  */
987 	0x00770000,		/* rv250 */
988 	0x00290000,		/* rs300 */
989 	0x00560000,		/* rv280 */
990 	0x00780000,		/* r300  */
991 	0x00770000,		/* r350  */
992 	0x00780000,		/* rv350 */
993 	0x00780000,		/* rv380 */
994 	0x01080000,		/* r420  */
995 	0x01080000,		/* r423  */
996 	0x01080000,		/* rv410 */
997 	0x00780000,		/* rs400 */
998 	0x00780000,		/* rs480 */
999 };
1000 
1001 static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
1002 						     struct radeon_encoder_tv_dac *tv_dac)
1003 {
1004 	tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
1005 	if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
1006 		tv_dac->ps2_tvdac_adj = 0x00880000;
1007 	tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1008 	tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1009 	return;
1010 }
1011 
1012 struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
1013 							     radeon_encoder
1014 							     *encoder)
1015 {
1016 	struct drm_device *dev = encoder->base.dev;
1017 	struct radeon_device *rdev = dev->dev_private;
1018 	uint16_t dac_info;
1019 	uint8_t rev, bg, dac;
1020 	struct radeon_encoder_tv_dac *tv_dac = NULL;
1021 	int found = 0;
1022 
1023 	tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
1024 	if (!tv_dac)
1025 		return NULL;
1026 
1027 	/* first check TV table */
1028 	dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
1029 	if (dac_info) {
1030 		rev = RBIOS8(dac_info + 0x3);
1031 		if (rev > 4) {
1032 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1033 			dac = RBIOS8(dac_info + 0xd) & 0xf;
1034 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1035 
1036 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1037 			dac = RBIOS8(dac_info + 0xf) & 0xf;
1038 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1039 
1040 			bg = RBIOS8(dac_info + 0x10) & 0xf;
1041 			dac = RBIOS8(dac_info + 0x11) & 0xf;
1042 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1043 			/* if the values are all zeros, use the table */
1044 			if (tv_dac->ps2_tvdac_adj)
1045 				found = 1;
1046 		} else if (rev > 1) {
1047 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1048 			dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
1049 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1050 
1051 			bg = RBIOS8(dac_info + 0xd) & 0xf;
1052 			dac = (RBIOS8(dac_info + 0xd) >> 4) & 0xf;
1053 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1054 
1055 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1056 			dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
1057 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1058 			/* if the values are all zeros, use the table */
1059 			if (tv_dac->ps2_tvdac_adj)
1060 				found = 1;
1061 		}
1062 		tv_dac->tv_std = radeon_combios_get_tv_info(rdev);
1063 	}
1064 	if (!found) {
1065 		/* then check CRT table */
1066 		dac_info =
1067 		    combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
1068 		if (dac_info) {
1069 			rev = RBIOS8(dac_info) & 0x3;
1070 			if (rev < 2) {
1071 				bg = RBIOS8(dac_info + 0x3) & 0xf;
1072 				dac = (RBIOS8(dac_info + 0x3) >> 4) & 0xf;
1073 				tv_dac->ps2_tvdac_adj =
1074 				    (bg << 16) | (dac << 20);
1075 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1076 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1077 				/* if the values are all zeros, use the table */
1078 				if (tv_dac->ps2_tvdac_adj)
1079 					found = 1;
1080 			} else {
1081 				bg = RBIOS8(dac_info + 0x4) & 0xf;
1082 				dac = RBIOS8(dac_info + 0x5) & 0xf;
1083 				tv_dac->ps2_tvdac_adj =
1084 				    (bg << 16) | (dac << 20);
1085 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1086 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1087 				/* if the values are all zeros, use the table */
1088 				if (tv_dac->ps2_tvdac_adj)
1089 					found = 1;
1090 			}
1091 		} else {
1092 			DRM_INFO("No TV DAC info found in BIOS\n");
1093 		}
1094 	}
1095 
1096 	if (!found) /* fallback to defaults */
1097 		radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
1098 
1099 	return tv_dac;
1100 }
1101 
1102 static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
1103 									 radeon_device
1104 									 *rdev)
1105 {
1106 	struct radeon_encoder_lvds *lvds = NULL;
1107 	uint32_t fp_vert_stretch, fp_horz_stretch;
1108 	uint32_t ppll_div_sel, ppll_val;
1109 	uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
1110 
1111 	lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1112 
1113 	if (!lvds)
1114 		return NULL;
1115 
1116 	fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH);
1117 	fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH);
1118 
1119 	/* These should be fail-safe defaults, fingers crossed */
1120 	lvds->panel_pwr_delay = 200;
1121 	lvds->panel_vcc_delay = 2000;
1122 
1123 	lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
1124 	lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf;
1125 	lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf;
1126 
1127 	if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
1128 		lvds->native_mode.vdisplay =
1129 		    ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
1130 		     RADEON_VERT_PANEL_SHIFT) + 1;
1131 	else
1132 		lvds->native_mode.vdisplay =
1133 		    (RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;
1134 
1135 	if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
1136 		lvds->native_mode.hdisplay =
1137 		    (((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
1138 		      RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
1139 	else
1140 		lvds->native_mode.hdisplay =
1141 		    ((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;
1142 
1143 	if ((lvds->native_mode.hdisplay < 640) ||
1144 	    (lvds->native_mode.vdisplay < 480)) {
1145 		lvds->native_mode.hdisplay = 640;
1146 		lvds->native_mode.vdisplay = 480;
1147 	}
1148 
1149 	ppll_div_sel = RREG8(RADEON_CLOCK_CNTL_INDEX + 1) & 0x3;
1150 	ppll_val = RREG32_PLL(RADEON_PPLL_DIV_0 + ppll_div_sel);
1151 	if ((ppll_val & 0x000707ff) == 0x1bb)
1152 		lvds->use_bios_dividers = false;
1153 	else {
1154 		lvds->panel_ref_divider =
1155 		    RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
1156 		lvds->panel_post_divider = (ppll_val >> 16) & 0x7;
1157 		lvds->panel_fb_divider = ppll_val & 0x7ff;
1158 
1159 		if ((lvds->panel_ref_divider != 0) &&
1160 		    (lvds->panel_fb_divider > 3))
1161 			lvds->use_bios_dividers = true;
1162 	}
1163 	lvds->panel_vcc_delay = 200;
1164 
1165 	DRM_INFO("Panel info derived from registers\n");
1166 	DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1167 		 lvds->native_mode.vdisplay);
1168 
1169 	return lvds;
1170 }
1171 
1172 struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
1173 							 *encoder)
1174 {
1175 	struct drm_device *dev = encoder->base.dev;
1176 	struct radeon_device *rdev = dev->dev_private;
1177 	uint16_t lcd_info;
1178 	uint32_t panel_setup;
1179 	char stmp[30];
1180 	int tmp, i;
1181 	struct radeon_encoder_lvds *lvds = NULL;
1182 
1183 	lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
1184 
1185 	if (lcd_info) {
1186 		lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1187 
1188 		if (!lvds)
1189 			return NULL;
1190 
1191 		for (i = 0; i < 24; i++)
1192 			stmp[i] = RBIOS8(lcd_info + i + 1);
1193 		stmp[24] = 0;
1194 
1195 		DRM_INFO("Panel ID String: %s\n", stmp);
1196 
1197 		lvds->native_mode.hdisplay = RBIOS16(lcd_info + 0x19);
1198 		lvds->native_mode.vdisplay = RBIOS16(lcd_info + 0x1b);
1199 
1200 		DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1201 			 lvds->native_mode.vdisplay);
1202 
1203 		lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
1204 		lvds->panel_vcc_delay = min_t(u16, lvds->panel_vcc_delay, 2000);
1205 
1206 		lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24);
1207 		lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf;
1208 		lvds->panel_blon_delay = (RBIOS16(lcd_info + 0x38) >> 4) & 0xf;
1209 
1210 		lvds->panel_ref_divider = RBIOS16(lcd_info + 0x2e);
1211 		lvds->panel_post_divider = RBIOS8(lcd_info + 0x30);
1212 		lvds->panel_fb_divider = RBIOS16(lcd_info + 0x31);
1213 		if ((lvds->panel_ref_divider != 0) &&
1214 		    (lvds->panel_fb_divider > 3))
1215 			lvds->use_bios_dividers = true;
1216 
1217 		panel_setup = RBIOS32(lcd_info + 0x39);
1218 		lvds->lvds_gen_cntl = 0xff00;
1219 		if (panel_setup & 0x1)
1220 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
1221 
1222 		if ((panel_setup >> 4) & 0x1)
1223 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
1224 
1225 		switch ((panel_setup >> 8) & 0x7) {
1226 		case 0:
1227 			lvds->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
1228 			break;
1229 		case 1:
1230 			lvds->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
1231 			break;
1232 		case 2:
1233 			lvds->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
1234 			break;
1235 		default:
1236 			break;
1237 		}
1238 
1239 		if ((panel_setup >> 16) & 0x1)
1240 			lvds->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
1241 
1242 		if ((panel_setup >> 17) & 0x1)
1243 			lvds->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
1244 
1245 		if ((panel_setup >> 18) & 0x1)
1246 			lvds->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
1247 
1248 		if ((panel_setup >> 23) & 0x1)
1249 			lvds->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
1250 
1251 		lvds->lvds_gen_cntl |= (panel_setup & 0xf0000000);
1252 
1253 		for (i = 0; i < 32; i++) {
1254 			tmp = RBIOS16(lcd_info + 64 + i * 2);
1255 			if (tmp == 0)
1256 				break;
1257 
1258 			if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
1259 			    (RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) {
1260 				lvds->native_mode.htotal = lvds->native_mode.hdisplay +
1261 					(RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8;
1262 				lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
1263 					(RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8;
1264 				lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
1265 					(RBIOS8(tmp + 23) * 8);
1266 
1267 				lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
1268 					(RBIOS16(tmp + 24) - RBIOS16(tmp + 26));
1269 				lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
1270 					((RBIOS16(tmp + 28) & 0x7ff) - RBIOS16(tmp + 26));
1271 				lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
1272 					((RBIOS16(tmp + 28) & 0xf800) >> 11);
1273 
1274 				lvds->native_mode.clock = RBIOS16(tmp + 9) * 10;
1275 				lvds->native_mode.flags = 0;
1276 				/* set crtc values */
1277 				drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
1278 
1279 			}
1280 		}
1281 	} else {
1282 		DRM_INFO("No panel info found in BIOS\n");
1283 		lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
1284 	}
1285 
1286 	if (lvds)
1287 		encoder->native_mode = lvds->native_mode;
1288 	return lvds;
1289 }
1290 
1291 static const struct radeon_tmds_pll default_tmds_pll[CHIP_LAST][4] = {
1292 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R100  */
1293 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV100 */
1294 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS100 */
1295 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV200 */
1296 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RS200 */
1297 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R200  */
1298 	{{15500, 0x81b}, {0xffffffff, 0x83f}, {0, 0}, {0, 0}},	/* CHIP_RV250 */
1299 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS300 */
1300 	{{13000, 0x400f4}, {15000, 0x400f7}, {0xffffffff, 0x40111}, {0, 0}},	/* CHIP_RV280 */
1301 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R300  */
1302 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R350  */
1303 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV350 */
1304 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV380 */
1305 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R420  */
1306 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R423  */
1307 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RV410 */
1308 	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS400 */
1309 	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS480 */
1310 };
1311 
1312 bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
1313 					    struct radeon_encoder_int_tmds *tmds)
1314 {
1315 	struct drm_device *dev = encoder->base.dev;
1316 	struct radeon_device *rdev = dev->dev_private;
1317 	int i;
1318 
1319 	for (i = 0; i < 4; i++) {
1320 		tmds->tmds_pll[i].value =
1321 			default_tmds_pll[rdev->family][i].value;
1322 		tmds->tmds_pll[i].freq = default_tmds_pll[rdev->family][i].freq;
1323 	}
1324 
1325 	return true;
1326 }
1327 
1328 bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
1329 					      struct radeon_encoder_int_tmds *tmds)
1330 {
1331 	struct drm_device *dev = encoder->base.dev;
1332 	struct radeon_device *rdev = dev->dev_private;
1333 	uint16_t tmds_info;
1334 	int i, n;
1335 	uint8_t ver;
1336 
1337 	tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1338 
1339 	if (tmds_info) {
1340 		ver = RBIOS8(tmds_info);
1341 		DRM_DEBUG_KMS("DFP table revision: %d\n", ver);
1342 		if (ver == 3) {
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 + i * 10 + 0x08);
1349 				tmds->tmds_pll[i].freq =
1350 				    RBIOS16(tmds_info + i * 10 + 0x10);
1351 				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1352 					  tmds->tmds_pll[i].freq,
1353 					  tmds->tmds_pll[i].value);
1354 			}
1355 		} else if (ver == 4) {
1356 			int stride = 0;
1357 			n = RBIOS8(tmds_info + 5) + 1;
1358 			if (n > 4)
1359 				n = 4;
1360 			for (i = 0; i < n; i++) {
1361 				tmds->tmds_pll[i].value =
1362 				    RBIOS32(tmds_info + stride + 0x08);
1363 				tmds->tmds_pll[i].freq =
1364 				    RBIOS16(tmds_info + stride + 0x10);
1365 				if (i == 0)
1366 					stride += 10;
1367 				else
1368 					stride += 6;
1369 				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1370 					  tmds->tmds_pll[i].freq,
1371 					  tmds->tmds_pll[i].value);
1372 			}
1373 		}
1374 	} else {
1375 		DRM_INFO("No TMDS info found in BIOS\n");
1376 		return false;
1377 	}
1378 	return true;
1379 }
1380 
1381 bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
1382 						struct radeon_encoder_ext_tmds *tmds)
1383 {
1384 	struct drm_device *dev = encoder->base.dev;
1385 	struct radeon_device *rdev = dev->dev_private;
1386 	struct radeon_i2c_bus_rec i2c_bus;
1387 
1388 	/* default for macs */
1389 	i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1390 	tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1391 
1392 	/* XXX some macs have duallink chips */
1393 	switch (rdev->mode_info.connector_table) {
1394 	case CT_POWERBOOK_EXTERNAL:
1395 	case CT_MINI_EXTERNAL:
1396 	default:
1397 		tmds->dvo_chip = DVO_SIL164;
1398 		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1399 		break;
1400 	}
1401 
1402 	return true;
1403 }
1404 
1405 bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
1406 						  struct radeon_encoder_ext_tmds *tmds)
1407 {
1408 	struct drm_device *dev = encoder->base.dev;
1409 	struct radeon_device *rdev = dev->dev_private;
1410 	uint16_t offset;
1411 	uint8_t ver;
1412 	enum radeon_combios_ddc gpio;
1413 	struct radeon_i2c_bus_rec i2c_bus;
1414 
1415 	tmds->i2c_bus = NULL;
1416 	if (rdev->flags & RADEON_IS_IGP) {
1417 		i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1418 		tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1419 		tmds->dvo_chip = DVO_SIL164;
1420 		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1421 	} else {
1422 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
1423 		if (offset) {
1424 			ver = RBIOS8(offset);
1425 			DRM_DEBUG_KMS("External TMDS Table revision: %d\n", ver);
1426 			tmds->slave_addr = RBIOS8(offset + 4 + 2);
1427 			tmds->slave_addr >>= 1; /* 7 bit addressing */
1428 			gpio = RBIOS8(offset + 4 + 3);
1429 			if (gpio == DDC_LCD) {
1430 				/* MM i2c */
1431 				i2c_bus.valid = true;
1432 				i2c_bus.hw_capable = true;
1433 				i2c_bus.mm_i2c = true;
1434 				i2c_bus.i2c_id = 0xa0;
1435 			} else
1436 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
1437 			tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1438 		}
1439 	}
1440 
1441 	if (!tmds->i2c_bus) {
1442 		DRM_INFO("No valid Ext TMDS info found in BIOS\n");
1443 		return false;
1444 	}
1445 
1446 	return true;
1447 }
1448 
1449 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
1450 {
1451 	struct radeon_device *rdev = dev->dev_private;
1452 	struct radeon_i2c_bus_rec ddc_i2c;
1453 	struct radeon_hpd hpd;
1454 
1455 	rdev->mode_info.connector_table = radeon_connector_table;
1456 	if (rdev->mode_info.connector_table == CT_NONE) {
1457 #ifdef CONFIG_PPC_PMAC
1458 		if (of_machine_is_compatible("PowerBook3,3")) {
1459 			/* powerbook with VGA */
1460 			rdev->mode_info.connector_table = CT_POWERBOOK_VGA;
1461 		} else if (of_machine_is_compatible("PowerBook3,4") ||
1462 			   of_machine_is_compatible("PowerBook3,5")) {
1463 			/* powerbook with internal tmds */
1464 			rdev->mode_info.connector_table = CT_POWERBOOK_INTERNAL;
1465 		} else if (of_machine_is_compatible("PowerBook5,1") ||
1466 			   of_machine_is_compatible("PowerBook5,2") ||
1467 			   of_machine_is_compatible("PowerBook5,3") ||
1468 			   of_machine_is_compatible("PowerBook5,4") ||
1469 			   of_machine_is_compatible("PowerBook5,5")) {
1470 			/* powerbook with external single link tmds (sil164) */
1471 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1472 		} else if (of_machine_is_compatible("PowerBook5,6")) {
1473 			/* powerbook with external dual or single link tmds */
1474 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1475 		} else if (of_machine_is_compatible("PowerBook5,7") ||
1476 			   of_machine_is_compatible("PowerBook5,8") ||
1477 			   of_machine_is_compatible("PowerBook5,9")) {
1478 			/* PowerBook6,2 ? */
1479 			/* powerbook with external dual link tmds (sil1178?) */
1480 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1481 		} else if (of_machine_is_compatible("PowerBook4,1") ||
1482 			   of_machine_is_compatible("PowerBook4,2") ||
1483 			   of_machine_is_compatible("PowerBook4,3") ||
1484 			   of_machine_is_compatible("PowerBook6,3") ||
1485 			   of_machine_is_compatible("PowerBook6,5") ||
1486 			   of_machine_is_compatible("PowerBook6,7")) {
1487 			/* ibook */
1488 			rdev->mode_info.connector_table = CT_IBOOK;
1489 		} else if (of_machine_is_compatible("PowerMac4,4")) {
1490 			/* emac */
1491 			rdev->mode_info.connector_table = CT_EMAC;
1492 		} else if (of_machine_is_compatible("PowerMac10,1")) {
1493 			/* mini with internal tmds */
1494 			rdev->mode_info.connector_table = CT_MINI_INTERNAL;
1495 		} else if (of_machine_is_compatible("PowerMac10,2")) {
1496 			/* mini with external tmds */
1497 			rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
1498 		} else if (of_machine_is_compatible("PowerMac12,1")) {
1499 			/* PowerMac8,1 ? */
1500 			/* imac g5 isight */
1501 			rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
1502 		} else if ((rdev->pdev->device == 0x4a48) &&
1503 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1504 			   (rdev->pdev->subsystem_device == 0x4a48)) {
1505 			/* Mac X800 */
1506 			rdev->mode_info.connector_table = CT_MAC_X800;
1507 		} else if ((rdev->pdev->device == 0x4150) &&
1508 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1509 			   (rdev->pdev->subsystem_device == 0x4150)) {
1510 			/* Mac G5 9600 */
1511 			rdev->mode_info.connector_table = CT_MAC_G5_9600;
1512 		} else
1513 #endif /* CONFIG_PPC_PMAC */
1514 #ifdef CONFIG_PPC64
1515 		if (ASIC_IS_RN50(rdev))
1516 			rdev->mode_info.connector_table = CT_RN50_POWER;
1517 		else
1518 #endif
1519 			rdev->mode_info.connector_table = CT_GENERIC;
1520 	}
1521 
1522 	switch (rdev->mode_info.connector_table) {
1523 	case CT_GENERIC:
1524 		DRM_INFO("Connector Table: %d (generic)\n",
1525 			 rdev->mode_info.connector_table);
1526 		/* these are the most common settings */
1527 		if (rdev->flags & RADEON_SINGLE_CRTC) {
1528 			/* VGA - primary dac */
1529 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1530 			hpd.hpd = RADEON_HPD_NONE;
1531 			radeon_add_legacy_encoder(dev,
1532 						  radeon_get_encoder_enum(dev,
1533 									ATOM_DEVICE_CRT1_SUPPORT,
1534 									1),
1535 						  ATOM_DEVICE_CRT1_SUPPORT);
1536 			radeon_add_legacy_connector(dev, 0,
1537 						    ATOM_DEVICE_CRT1_SUPPORT,
1538 						    DRM_MODE_CONNECTOR_VGA,
1539 						    &ddc_i2c,
1540 						    CONNECTOR_OBJECT_ID_VGA,
1541 						    &hpd);
1542 		} else if (rdev->flags & RADEON_IS_MOBILITY) {
1543 			/* LVDS */
1544 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
1545 			hpd.hpd = RADEON_HPD_NONE;
1546 			radeon_add_legacy_encoder(dev,
1547 						  radeon_get_encoder_enum(dev,
1548 									ATOM_DEVICE_LCD1_SUPPORT,
1549 									0),
1550 						  ATOM_DEVICE_LCD1_SUPPORT);
1551 			radeon_add_legacy_connector(dev, 0,
1552 						    ATOM_DEVICE_LCD1_SUPPORT,
1553 						    DRM_MODE_CONNECTOR_LVDS,
1554 						    &ddc_i2c,
1555 						    CONNECTOR_OBJECT_ID_LVDS,
1556 						    &hpd);
1557 
1558 			/* VGA - primary dac */
1559 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1560 			hpd.hpd = RADEON_HPD_NONE;
1561 			radeon_add_legacy_encoder(dev,
1562 						  radeon_get_encoder_enum(dev,
1563 									ATOM_DEVICE_CRT1_SUPPORT,
1564 									1),
1565 						  ATOM_DEVICE_CRT1_SUPPORT);
1566 			radeon_add_legacy_connector(dev, 1,
1567 						    ATOM_DEVICE_CRT1_SUPPORT,
1568 						    DRM_MODE_CONNECTOR_VGA,
1569 						    &ddc_i2c,
1570 						    CONNECTOR_OBJECT_ID_VGA,
1571 						    &hpd);
1572 		} else {
1573 			/* DVI-I - tv dac, int tmds */
1574 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1575 			hpd.hpd = RADEON_HPD_1;
1576 			radeon_add_legacy_encoder(dev,
1577 						  radeon_get_encoder_enum(dev,
1578 									ATOM_DEVICE_DFP1_SUPPORT,
1579 									0),
1580 						  ATOM_DEVICE_DFP1_SUPPORT);
1581 			radeon_add_legacy_encoder(dev,
1582 						  radeon_get_encoder_enum(dev,
1583 									ATOM_DEVICE_CRT2_SUPPORT,
1584 									2),
1585 						  ATOM_DEVICE_CRT2_SUPPORT);
1586 			radeon_add_legacy_connector(dev, 0,
1587 						    ATOM_DEVICE_DFP1_SUPPORT |
1588 						    ATOM_DEVICE_CRT2_SUPPORT,
1589 						    DRM_MODE_CONNECTOR_DVII,
1590 						    &ddc_i2c,
1591 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1592 						    &hpd);
1593 
1594 			/* VGA - primary dac */
1595 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1596 			hpd.hpd = RADEON_HPD_NONE;
1597 			radeon_add_legacy_encoder(dev,
1598 						  radeon_get_encoder_enum(dev,
1599 									ATOM_DEVICE_CRT1_SUPPORT,
1600 									1),
1601 						  ATOM_DEVICE_CRT1_SUPPORT);
1602 			radeon_add_legacy_connector(dev, 1,
1603 						    ATOM_DEVICE_CRT1_SUPPORT,
1604 						    DRM_MODE_CONNECTOR_VGA,
1605 						    &ddc_i2c,
1606 						    CONNECTOR_OBJECT_ID_VGA,
1607 						    &hpd);
1608 		}
1609 
1610 		if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1611 			/* TV - tv dac */
1612 			ddc_i2c.valid = false;
1613 			hpd.hpd = RADEON_HPD_NONE;
1614 			radeon_add_legacy_encoder(dev,
1615 						  radeon_get_encoder_enum(dev,
1616 									ATOM_DEVICE_TV1_SUPPORT,
1617 									2),
1618 						  ATOM_DEVICE_TV1_SUPPORT);
1619 			radeon_add_legacy_connector(dev, 2,
1620 						    ATOM_DEVICE_TV1_SUPPORT,
1621 						    DRM_MODE_CONNECTOR_SVIDEO,
1622 						    &ddc_i2c,
1623 						    CONNECTOR_OBJECT_ID_SVIDEO,
1624 						    &hpd);
1625 		}
1626 		break;
1627 	case CT_IBOOK:
1628 		DRM_INFO("Connector Table: %d (ibook)\n",
1629 			 rdev->mode_info.connector_table);
1630 		/* LVDS */
1631 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1632 		hpd.hpd = RADEON_HPD_NONE;
1633 		radeon_add_legacy_encoder(dev,
1634 					  radeon_get_encoder_enum(dev,
1635 								ATOM_DEVICE_LCD1_SUPPORT,
1636 								0),
1637 					  ATOM_DEVICE_LCD1_SUPPORT);
1638 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1639 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1640 					    CONNECTOR_OBJECT_ID_LVDS,
1641 					    &hpd);
1642 		/* VGA - TV DAC */
1643 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1644 		hpd.hpd = RADEON_HPD_NONE;
1645 		radeon_add_legacy_encoder(dev,
1646 					  radeon_get_encoder_enum(dev,
1647 								ATOM_DEVICE_CRT2_SUPPORT,
1648 								2),
1649 					  ATOM_DEVICE_CRT2_SUPPORT);
1650 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1651 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1652 					    CONNECTOR_OBJECT_ID_VGA,
1653 					    &hpd);
1654 		/* TV - TV DAC */
1655 		ddc_i2c.valid = false;
1656 		hpd.hpd = RADEON_HPD_NONE;
1657 		radeon_add_legacy_encoder(dev,
1658 					  radeon_get_encoder_enum(dev,
1659 								ATOM_DEVICE_TV1_SUPPORT,
1660 								2),
1661 					  ATOM_DEVICE_TV1_SUPPORT);
1662 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1663 					    DRM_MODE_CONNECTOR_SVIDEO,
1664 					    &ddc_i2c,
1665 					    CONNECTOR_OBJECT_ID_SVIDEO,
1666 					    &hpd);
1667 		break;
1668 	case CT_POWERBOOK_EXTERNAL:
1669 		DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
1670 			 rdev->mode_info.connector_table);
1671 		/* LVDS */
1672 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1673 		hpd.hpd = RADEON_HPD_NONE;
1674 		radeon_add_legacy_encoder(dev,
1675 					  radeon_get_encoder_enum(dev,
1676 								ATOM_DEVICE_LCD1_SUPPORT,
1677 								0),
1678 					  ATOM_DEVICE_LCD1_SUPPORT);
1679 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1680 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1681 					    CONNECTOR_OBJECT_ID_LVDS,
1682 					    &hpd);
1683 		/* DVI-I - primary dac, ext tmds */
1684 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1685 		hpd.hpd = RADEON_HPD_2; /* ??? */
1686 		radeon_add_legacy_encoder(dev,
1687 					  radeon_get_encoder_enum(dev,
1688 								ATOM_DEVICE_DFP2_SUPPORT,
1689 								0),
1690 					  ATOM_DEVICE_DFP2_SUPPORT);
1691 		radeon_add_legacy_encoder(dev,
1692 					  radeon_get_encoder_enum(dev,
1693 								ATOM_DEVICE_CRT1_SUPPORT,
1694 								1),
1695 					  ATOM_DEVICE_CRT1_SUPPORT);
1696 		/* XXX some are SL */
1697 		radeon_add_legacy_connector(dev, 1,
1698 					    ATOM_DEVICE_DFP2_SUPPORT |
1699 					    ATOM_DEVICE_CRT1_SUPPORT,
1700 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1701 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
1702 					    &hpd);
1703 		/* TV - TV DAC */
1704 		ddc_i2c.valid = false;
1705 		hpd.hpd = RADEON_HPD_NONE;
1706 		radeon_add_legacy_encoder(dev,
1707 					  radeon_get_encoder_enum(dev,
1708 								ATOM_DEVICE_TV1_SUPPORT,
1709 								2),
1710 					  ATOM_DEVICE_TV1_SUPPORT);
1711 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1712 					    DRM_MODE_CONNECTOR_SVIDEO,
1713 					    &ddc_i2c,
1714 					    CONNECTOR_OBJECT_ID_SVIDEO,
1715 					    &hpd);
1716 		break;
1717 	case CT_POWERBOOK_INTERNAL:
1718 		DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
1719 			 rdev->mode_info.connector_table);
1720 		/* LVDS */
1721 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1722 		hpd.hpd = RADEON_HPD_NONE;
1723 		radeon_add_legacy_encoder(dev,
1724 					  radeon_get_encoder_enum(dev,
1725 								ATOM_DEVICE_LCD1_SUPPORT,
1726 								0),
1727 					  ATOM_DEVICE_LCD1_SUPPORT);
1728 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1729 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1730 					    CONNECTOR_OBJECT_ID_LVDS,
1731 					    &hpd);
1732 		/* DVI-I - primary dac, int tmds */
1733 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1734 		hpd.hpd = RADEON_HPD_1; /* ??? */
1735 		radeon_add_legacy_encoder(dev,
1736 					  radeon_get_encoder_enum(dev,
1737 								ATOM_DEVICE_DFP1_SUPPORT,
1738 								0),
1739 					  ATOM_DEVICE_DFP1_SUPPORT);
1740 		radeon_add_legacy_encoder(dev,
1741 					  radeon_get_encoder_enum(dev,
1742 								ATOM_DEVICE_CRT1_SUPPORT,
1743 								1),
1744 					  ATOM_DEVICE_CRT1_SUPPORT);
1745 		radeon_add_legacy_connector(dev, 1,
1746 					    ATOM_DEVICE_DFP1_SUPPORT |
1747 					    ATOM_DEVICE_CRT1_SUPPORT,
1748 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1749 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1750 					    &hpd);
1751 		/* TV - TV DAC */
1752 		ddc_i2c.valid = false;
1753 		hpd.hpd = RADEON_HPD_NONE;
1754 		radeon_add_legacy_encoder(dev,
1755 					  radeon_get_encoder_enum(dev,
1756 								ATOM_DEVICE_TV1_SUPPORT,
1757 								2),
1758 					  ATOM_DEVICE_TV1_SUPPORT);
1759 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1760 					    DRM_MODE_CONNECTOR_SVIDEO,
1761 					    &ddc_i2c,
1762 					    CONNECTOR_OBJECT_ID_SVIDEO,
1763 					    &hpd);
1764 		break;
1765 	case CT_POWERBOOK_VGA:
1766 		DRM_INFO("Connector Table: %d (powerbook vga)\n",
1767 			 rdev->mode_info.connector_table);
1768 		/* LVDS */
1769 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1770 		hpd.hpd = RADEON_HPD_NONE;
1771 		radeon_add_legacy_encoder(dev,
1772 					  radeon_get_encoder_enum(dev,
1773 								ATOM_DEVICE_LCD1_SUPPORT,
1774 								0),
1775 					  ATOM_DEVICE_LCD1_SUPPORT);
1776 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1777 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1778 					    CONNECTOR_OBJECT_ID_LVDS,
1779 					    &hpd);
1780 		/* VGA - primary dac */
1781 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1782 		hpd.hpd = RADEON_HPD_NONE;
1783 		radeon_add_legacy_encoder(dev,
1784 					  radeon_get_encoder_enum(dev,
1785 								ATOM_DEVICE_CRT1_SUPPORT,
1786 								1),
1787 					  ATOM_DEVICE_CRT1_SUPPORT);
1788 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
1789 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1790 					    CONNECTOR_OBJECT_ID_VGA,
1791 					    &hpd);
1792 		/* TV - TV DAC */
1793 		ddc_i2c.valid = false;
1794 		hpd.hpd = RADEON_HPD_NONE;
1795 		radeon_add_legacy_encoder(dev,
1796 					  radeon_get_encoder_enum(dev,
1797 								ATOM_DEVICE_TV1_SUPPORT,
1798 								2),
1799 					  ATOM_DEVICE_TV1_SUPPORT);
1800 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1801 					    DRM_MODE_CONNECTOR_SVIDEO,
1802 					    &ddc_i2c,
1803 					    CONNECTOR_OBJECT_ID_SVIDEO,
1804 					    &hpd);
1805 		break;
1806 	case CT_MINI_EXTERNAL:
1807 		DRM_INFO("Connector Table: %d (mini external tmds)\n",
1808 			 rdev->mode_info.connector_table);
1809 		/* DVI-I - tv dac, ext tmds */
1810 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1811 		hpd.hpd = RADEON_HPD_2; /* ??? */
1812 		radeon_add_legacy_encoder(dev,
1813 					  radeon_get_encoder_enum(dev,
1814 								ATOM_DEVICE_DFP2_SUPPORT,
1815 								0),
1816 					  ATOM_DEVICE_DFP2_SUPPORT);
1817 		radeon_add_legacy_encoder(dev,
1818 					  radeon_get_encoder_enum(dev,
1819 								ATOM_DEVICE_CRT2_SUPPORT,
1820 								2),
1821 					  ATOM_DEVICE_CRT2_SUPPORT);
1822 		/* XXX are any DL? */
1823 		radeon_add_legacy_connector(dev, 0,
1824 					    ATOM_DEVICE_DFP2_SUPPORT |
1825 					    ATOM_DEVICE_CRT2_SUPPORT,
1826 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1827 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1828 					    &hpd);
1829 		/* TV - TV DAC */
1830 		ddc_i2c.valid = false;
1831 		hpd.hpd = RADEON_HPD_NONE;
1832 		radeon_add_legacy_encoder(dev,
1833 					  radeon_get_encoder_enum(dev,
1834 								ATOM_DEVICE_TV1_SUPPORT,
1835 								2),
1836 					  ATOM_DEVICE_TV1_SUPPORT);
1837 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1838 					    DRM_MODE_CONNECTOR_SVIDEO,
1839 					    &ddc_i2c,
1840 					    CONNECTOR_OBJECT_ID_SVIDEO,
1841 					    &hpd);
1842 		break;
1843 	case CT_MINI_INTERNAL:
1844 		DRM_INFO("Connector Table: %d (mini internal tmds)\n",
1845 			 rdev->mode_info.connector_table);
1846 		/* DVI-I - tv dac, int tmds */
1847 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1848 		hpd.hpd = RADEON_HPD_1; /* ??? */
1849 		radeon_add_legacy_encoder(dev,
1850 					  radeon_get_encoder_enum(dev,
1851 								ATOM_DEVICE_DFP1_SUPPORT,
1852 								0),
1853 					  ATOM_DEVICE_DFP1_SUPPORT);
1854 		radeon_add_legacy_encoder(dev,
1855 					  radeon_get_encoder_enum(dev,
1856 								ATOM_DEVICE_CRT2_SUPPORT,
1857 								2),
1858 					  ATOM_DEVICE_CRT2_SUPPORT);
1859 		radeon_add_legacy_connector(dev, 0,
1860 					    ATOM_DEVICE_DFP1_SUPPORT |
1861 					    ATOM_DEVICE_CRT2_SUPPORT,
1862 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1863 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1864 					    &hpd);
1865 		/* TV - TV DAC */
1866 		ddc_i2c.valid = false;
1867 		hpd.hpd = RADEON_HPD_NONE;
1868 		radeon_add_legacy_encoder(dev,
1869 					  radeon_get_encoder_enum(dev,
1870 								ATOM_DEVICE_TV1_SUPPORT,
1871 								2),
1872 					  ATOM_DEVICE_TV1_SUPPORT);
1873 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1874 					    DRM_MODE_CONNECTOR_SVIDEO,
1875 					    &ddc_i2c,
1876 					    CONNECTOR_OBJECT_ID_SVIDEO,
1877 					    &hpd);
1878 		break;
1879 	case CT_IMAC_G5_ISIGHT:
1880 		DRM_INFO("Connector Table: %d (imac g5 isight)\n",
1881 			 rdev->mode_info.connector_table);
1882 		/* DVI-D - int tmds */
1883 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1884 		hpd.hpd = RADEON_HPD_1; /* ??? */
1885 		radeon_add_legacy_encoder(dev,
1886 					  radeon_get_encoder_enum(dev,
1887 								ATOM_DEVICE_DFP1_SUPPORT,
1888 								0),
1889 					  ATOM_DEVICE_DFP1_SUPPORT);
1890 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
1891 					    DRM_MODE_CONNECTOR_DVID, &ddc_i2c,
1892 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
1893 					    &hpd);
1894 		/* VGA - tv dac */
1895 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1896 		hpd.hpd = RADEON_HPD_NONE;
1897 		radeon_add_legacy_encoder(dev,
1898 					  radeon_get_encoder_enum(dev,
1899 								ATOM_DEVICE_CRT2_SUPPORT,
1900 								2),
1901 					  ATOM_DEVICE_CRT2_SUPPORT);
1902 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1903 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1904 					    CONNECTOR_OBJECT_ID_VGA,
1905 					    &hpd);
1906 		/* TV - TV DAC */
1907 		ddc_i2c.valid = false;
1908 		hpd.hpd = RADEON_HPD_NONE;
1909 		radeon_add_legacy_encoder(dev,
1910 					  radeon_get_encoder_enum(dev,
1911 								ATOM_DEVICE_TV1_SUPPORT,
1912 								2),
1913 					  ATOM_DEVICE_TV1_SUPPORT);
1914 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1915 					    DRM_MODE_CONNECTOR_SVIDEO,
1916 					    &ddc_i2c,
1917 					    CONNECTOR_OBJECT_ID_SVIDEO,
1918 					    &hpd);
1919 		break;
1920 	case CT_EMAC:
1921 		DRM_INFO("Connector Table: %d (emac)\n",
1922 			 rdev->mode_info.connector_table);
1923 		/* VGA - primary dac */
1924 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1925 		hpd.hpd = RADEON_HPD_NONE;
1926 		radeon_add_legacy_encoder(dev,
1927 					  radeon_get_encoder_enum(dev,
1928 								ATOM_DEVICE_CRT1_SUPPORT,
1929 								1),
1930 					  ATOM_DEVICE_CRT1_SUPPORT);
1931 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1932 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1933 					    CONNECTOR_OBJECT_ID_VGA,
1934 					    &hpd);
1935 		/* VGA - tv dac */
1936 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1937 		hpd.hpd = RADEON_HPD_NONE;
1938 		radeon_add_legacy_encoder(dev,
1939 					  radeon_get_encoder_enum(dev,
1940 								ATOM_DEVICE_CRT2_SUPPORT,
1941 								2),
1942 					  ATOM_DEVICE_CRT2_SUPPORT);
1943 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1944 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1945 					    CONNECTOR_OBJECT_ID_VGA,
1946 					    &hpd);
1947 		/* TV - TV DAC */
1948 		ddc_i2c.valid = false;
1949 		hpd.hpd = RADEON_HPD_NONE;
1950 		radeon_add_legacy_encoder(dev,
1951 					  radeon_get_encoder_enum(dev,
1952 								ATOM_DEVICE_TV1_SUPPORT,
1953 								2),
1954 					  ATOM_DEVICE_TV1_SUPPORT);
1955 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1956 					    DRM_MODE_CONNECTOR_SVIDEO,
1957 					    &ddc_i2c,
1958 					    CONNECTOR_OBJECT_ID_SVIDEO,
1959 					    &hpd);
1960 		break;
1961 	case CT_RN50_POWER:
1962 		DRM_INFO("Connector Table: %d (rn50-power)\n",
1963 			 rdev->mode_info.connector_table);
1964 		/* VGA - primary dac */
1965 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1966 		hpd.hpd = RADEON_HPD_NONE;
1967 		radeon_add_legacy_encoder(dev,
1968 					  radeon_get_encoder_enum(dev,
1969 								ATOM_DEVICE_CRT1_SUPPORT,
1970 								1),
1971 					  ATOM_DEVICE_CRT1_SUPPORT);
1972 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1973 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1974 					    CONNECTOR_OBJECT_ID_VGA,
1975 					    &hpd);
1976 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1977 		hpd.hpd = RADEON_HPD_NONE;
1978 		radeon_add_legacy_encoder(dev,
1979 					  radeon_get_encoder_enum(dev,
1980 								ATOM_DEVICE_CRT2_SUPPORT,
1981 								2),
1982 					  ATOM_DEVICE_CRT2_SUPPORT);
1983 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1984 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1985 					    CONNECTOR_OBJECT_ID_VGA,
1986 					    &hpd);
1987 		break;
1988 	case CT_MAC_X800:
1989 		DRM_INFO("Connector Table: %d (mac x800)\n",
1990 			 rdev->mode_info.connector_table);
1991 		/* DVI - primary dac, internal tmds */
1992 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1993 		hpd.hpd = RADEON_HPD_1; /* ??? */
1994 		radeon_add_legacy_encoder(dev,
1995 					  radeon_get_encoder_enum(dev,
1996 								  ATOM_DEVICE_DFP1_SUPPORT,
1997 								  0),
1998 					  ATOM_DEVICE_DFP1_SUPPORT);
1999 		radeon_add_legacy_encoder(dev,
2000 					  radeon_get_encoder_enum(dev,
2001 								  ATOM_DEVICE_CRT1_SUPPORT,
2002 								  1),
2003 					  ATOM_DEVICE_CRT1_SUPPORT);
2004 		radeon_add_legacy_connector(dev, 0,
2005 					    ATOM_DEVICE_DFP1_SUPPORT |
2006 					    ATOM_DEVICE_CRT1_SUPPORT,
2007 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2008 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2009 					    &hpd);
2010 		/* DVI - tv dac, dvo */
2011 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2012 		hpd.hpd = RADEON_HPD_2; /* ??? */
2013 		radeon_add_legacy_encoder(dev,
2014 					  radeon_get_encoder_enum(dev,
2015 								  ATOM_DEVICE_DFP2_SUPPORT,
2016 								  0),
2017 					  ATOM_DEVICE_DFP2_SUPPORT);
2018 		radeon_add_legacy_encoder(dev,
2019 					  radeon_get_encoder_enum(dev,
2020 								  ATOM_DEVICE_CRT2_SUPPORT,
2021 								  2),
2022 					  ATOM_DEVICE_CRT2_SUPPORT);
2023 		radeon_add_legacy_connector(dev, 1,
2024 					    ATOM_DEVICE_DFP2_SUPPORT |
2025 					    ATOM_DEVICE_CRT2_SUPPORT,
2026 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2027 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
2028 					    &hpd);
2029 		break;
2030 	case CT_MAC_G5_9600:
2031 		DRM_INFO("Connector Table: %d (mac g5 9600)\n",
2032 			 rdev->mode_info.connector_table);
2033 		/* DVI - tv dac, dvo */
2034 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2035 		hpd.hpd = RADEON_HPD_1; /* ??? */
2036 		radeon_add_legacy_encoder(dev,
2037 					  radeon_get_encoder_enum(dev,
2038 								  ATOM_DEVICE_DFP2_SUPPORT,
2039 								  0),
2040 					  ATOM_DEVICE_DFP2_SUPPORT);
2041 		radeon_add_legacy_encoder(dev,
2042 					  radeon_get_encoder_enum(dev,
2043 								  ATOM_DEVICE_CRT2_SUPPORT,
2044 								  2),
2045 					  ATOM_DEVICE_CRT2_SUPPORT);
2046 		radeon_add_legacy_connector(dev, 0,
2047 					    ATOM_DEVICE_DFP2_SUPPORT |
2048 					    ATOM_DEVICE_CRT2_SUPPORT,
2049 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2050 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2051 					    &hpd);
2052 		/* ADC - primary dac, internal tmds */
2053 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2054 		hpd.hpd = RADEON_HPD_2; /* ??? */
2055 		radeon_add_legacy_encoder(dev,
2056 					  radeon_get_encoder_enum(dev,
2057 								  ATOM_DEVICE_DFP1_SUPPORT,
2058 								  0),
2059 					  ATOM_DEVICE_DFP1_SUPPORT);
2060 		radeon_add_legacy_encoder(dev,
2061 					  radeon_get_encoder_enum(dev,
2062 								  ATOM_DEVICE_CRT1_SUPPORT,
2063 								  1),
2064 					  ATOM_DEVICE_CRT1_SUPPORT);
2065 		radeon_add_legacy_connector(dev, 1,
2066 					    ATOM_DEVICE_DFP1_SUPPORT |
2067 					    ATOM_DEVICE_CRT1_SUPPORT,
2068 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2069 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2070 					    &hpd);
2071 		break;
2072 	default:
2073 		DRM_INFO("Connector table: %d (invalid)\n",
2074 			 rdev->mode_info.connector_table);
2075 		return false;
2076 	}
2077 
2078 	radeon_link_encoder_connector(dev);
2079 
2080 	return true;
2081 }
2082 
2083 static bool radeon_apply_legacy_quirks(struct drm_device *dev,
2084 				       int bios_index,
2085 				       enum radeon_combios_connector
2086 				       *legacy_connector,
2087 				       struct radeon_i2c_bus_rec *ddc_i2c,
2088 				       struct radeon_hpd *hpd)
2089 {
2090 
2091 	/* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
2092 	   one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
2093 	if (dev->pdev->device == 0x515e &&
2094 	    dev->pdev->subsystem_vendor == 0x1014) {
2095 		if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
2096 		    ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
2097 			return false;
2098 	}
2099 
2100 	/* X300 card with extra non-existent DVI port */
2101 	if (dev->pdev->device == 0x5B60 &&
2102 	    dev->pdev->subsystem_vendor == 0x17af &&
2103 	    dev->pdev->subsystem_device == 0x201e && bios_index == 2) {
2104 		if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
2105 			return false;
2106 	}
2107 
2108 	return true;
2109 }
2110 
2111 static bool radeon_apply_legacy_tv_quirks(struct drm_device *dev)
2112 {
2113 	/* Acer 5102 has non-existent TV port */
2114 	if (dev->pdev->device == 0x5975 &&
2115 	    dev->pdev->subsystem_vendor == 0x1025 &&
2116 	    dev->pdev->subsystem_device == 0x009f)
2117 		return false;
2118 
2119 	/* HP dc5750 has non-existent TV port */
2120 	if (dev->pdev->device == 0x5974 &&
2121 	    dev->pdev->subsystem_vendor == 0x103c &&
2122 	    dev->pdev->subsystem_device == 0x280a)
2123 		return false;
2124 
2125 	/* MSI S270 has non-existent TV port */
2126 	if (dev->pdev->device == 0x5955 &&
2127 	    dev->pdev->subsystem_vendor == 0x1462 &&
2128 	    dev->pdev->subsystem_device == 0x0131)
2129 		return false;
2130 
2131 	return true;
2132 }
2133 
2134 static uint16_t combios_check_dl_dvi(struct drm_device *dev, int is_dvi_d)
2135 {
2136 	struct radeon_device *rdev = dev->dev_private;
2137 	uint32_t ext_tmds_info;
2138 
2139 	if (rdev->flags & RADEON_IS_IGP) {
2140 		if (is_dvi_d)
2141 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2142 		else
2143 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2144 	}
2145 	ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2146 	if (ext_tmds_info) {
2147 		uint8_t rev = RBIOS8(ext_tmds_info);
2148 		uint8_t flags = RBIOS8(ext_tmds_info + 4 + 5);
2149 		if (rev >= 3) {
2150 			if (is_dvi_d)
2151 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2152 			else
2153 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2154 		} else {
2155 			if (flags & 1) {
2156 				if (is_dvi_d)
2157 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2158 				else
2159 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2160 			}
2161 		}
2162 	}
2163 	if (is_dvi_d)
2164 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2165 	else
2166 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2167 }
2168 
2169 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
2170 {
2171 	struct radeon_device *rdev = dev->dev_private;
2172 	uint32_t conn_info, entry, devices;
2173 	uint16_t tmp, connector_object_id;
2174 	enum radeon_combios_ddc ddc_type;
2175 	enum radeon_combios_connector connector;
2176 	int i = 0;
2177 	struct radeon_i2c_bus_rec ddc_i2c;
2178 	struct radeon_hpd hpd;
2179 
2180 	conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
2181 	if (conn_info) {
2182 		for (i = 0; i < 4; i++) {
2183 			entry = conn_info + 2 + i * 2;
2184 
2185 			if (!RBIOS16(entry))
2186 				break;
2187 
2188 			tmp = RBIOS16(entry);
2189 
2190 			connector = (tmp >> 12) & 0xf;
2191 
2192 			ddc_type = (tmp >> 8) & 0xf;
2193 			ddc_i2c = combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2194 
2195 			switch (connector) {
2196 			case CONNECTOR_PROPRIETARY_LEGACY:
2197 			case CONNECTOR_DVI_I_LEGACY:
2198 			case CONNECTOR_DVI_D_LEGACY:
2199 				if ((tmp >> 4) & 0x1)
2200 					hpd.hpd = RADEON_HPD_2;
2201 				else
2202 					hpd.hpd = RADEON_HPD_1;
2203 				break;
2204 			default:
2205 				hpd.hpd = RADEON_HPD_NONE;
2206 				break;
2207 			}
2208 
2209 			if (!radeon_apply_legacy_quirks(dev, i, &connector,
2210 							&ddc_i2c, &hpd))
2211 				continue;
2212 
2213 			switch (connector) {
2214 			case CONNECTOR_PROPRIETARY_LEGACY:
2215 				if ((tmp >> 4) & 0x1)
2216 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2217 				else
2218 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2219 				radeon_add_legacy_encoder(dev,
2220 							  radeon_get_encoder_enum
2221 							  (dev, devices, 0),
2222 							  devices);
2223 				radeon_add_legacy_connector(dev, i, devices,
2224 							    legacy_connector_convert
2225 							    [connector],
2226 							    &ddc_i2c,
2227 							    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
2228 							    &hpd);
2229 				break;
2230 			case CONNECTOR_CRT_LEGACY:
2231 				if (tmp & 0x1) {
2232 					devices = ATOM_DEVICE_CRT2_SUPPORT;
2233 					radeon_add_legacy_encoder(dev,
2234 								  radeon_get_encoder_enum
2235 								  (dev,
2236 								   ATOM_DEVICE_CRT2_SUPPORT,
2237 								   2),
2238 								  ATOM_DEVICE_CRT2_SUPPORT);
2239 				} else {
2240 					devices = ATOM_DEVICE_CRT1_SUPPORT;
2241 					radeon_add_legacy_encoder(dev,
2242 								  radeon_get_encoder_enum
2243 								  (dev,
2244 								   ATOM_DEVICE_CRT1_SUPPORT,
2245 								   1),
2246 								  ATOM_DEVICE_CRT1_SUPPORT);
2247 				}
2248 				radeon_add_legacy_connector(dev,
2249 							    i,
2250 							    devices,
2251 							    legacy_connector_convert
2252 							    [connector],
2253 							    &ddc_i2c,
2254 							    CONNECTOR_OBJECT_ID_VGA,
2255 							    &hpd);
2256 				break;
2257 			case CONNECTOR_DVI_I_LEGACY:
2258 				devices = 0;
2259 				if (tmp & 0x1) {
2260 					devices |= ATOM_DEVICE_CRT2_SUPPORT;
2261 					radeon_add_legacy_encoder(dev,
2262 								  radeon_get_encoder_enum
2263 								  (dev,
2264 								   ATOM_DEVICE_CRT2_SUPPORT,
2265 								   2),
2266 								  ATOM_DEVICE_CRT2_SUPPORT);
2267 				} else {
2268 					devices |= ATOM_DEVICE_CRT1_SUPPORT;
2269 					radeon_add_legacy_encoder(dev,
2270 								  radeon_get_encoder_enum
2271 								  (dev,
2272 								   ATOM_DEVICE_CRT1_SUPPORT,
2273 								   1),
2274 								  ATOM_DEVICE_CRT1_SUPPORT);
2275 				}
2276 				if ((tmp >> 4) & 0x1) {
2277 					devices |= ATOM_DEVICE_DFP2_SUPPORT;
2278 					radeon_add_legacy_encoder(dev,
2279 								  radeon_get_encoder_enum
2280 								  (dev,
2281 								   ATOM_DEVICE_DFP2_SUPPORT,
2282 								   0),
2283 								  ATOM_DEVICE_DFP2_SUPPORT);
2284 					connector_object_id = combios_check_dl_dvi(dev, 0);
2285 				} else {
2286 					devices |= ATOM_DEVICE_DFP1_SUPPORT;
2287 					radeon_add_legacy_encoder(dev,
2288 								  radeon_get_encoder_enum
2289 								  (dev,
2290 								   ATOM_DEVICE_DFP1_SUPPORT,
2291 								   0),
2292 								  ATOM_DEVICE_DFP1_SUPPORT);
2293 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2294 				}
2295 				radeon_add_legacy_connector(dev,
2296 							    i,
2297 							    devices,
2298 							    legacy_connector_convert
2299 							    [connector],
2300 							    &ddc_i2c,
2301 							    connector_object_id,
2302 							    &hpd);
2303 				break;
2304 			case CONNECTOR_DVI_D_LEGACY:
2305 				if ((tmp >> 4) & 0x1) {
2306 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2307 					connector_object_id = combios_check_dl_dvi(dev, 1);
2308 				} else {
2309 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2310 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2311 				}
2312 				radeon_add_legacy_encoder(dev,
2313 							  radeon_get_encoder_enum
2314 							  (dev, devices, 0),
2315 							  devices);
2316 				radeon_add_legacy_connector(dev, i, devices,
2317 							    legacy_connector_convert
2318 							    [connector],
2319 							    &ddc_i2c,
2320 							    connector_object_id,
2321 							    &hpd);
2322 				break;
2323 			case CONNECTOR_CTV_LEGACY:
2324 			case CONNECTOR_STV_LEGACY:
2325 				radeon_add_legacy_encoder(dev,
2326 							  radeon_get_encoder_enum
2327 							  (dev,
2328 							   ATOM_DEVICE_TV1_SUPPORT,
2329 							   2),
2330 							  ATOM_DEVICE_TV1_SUPPORT);
2331 				radeon_add_legacy_connector(dev, i,
2332 							    ATOM_DEVICE_TV1_SUPPORT,
2333 							    legacy_connector_convert
2334 							    [connector],
2335 							    &ddc_i2c,
2336 							    CONNECTOR_OBJECT_ID_SVIDEO,
2337 							    &hpd);
2338 				break;
2339 			default:
2340 				DRM_ERROR("Unknown connector type: %d\n",
2341 					  connector);
2342 				continue;
2343 			}
2344 
2345 		}
2346 	} else {
2347 		uint16_t tmds_info =
2348 		    combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
2349 		if (tmds_info) {
2350 			DRM_DEBUG_KMS("Found DFP table, assuming DVI connector\n");
2351 
2352 			radeon_add_legacy_encoder(dev,
2353 						  radeon_get_encoder_enum(dev,
2354 									ATOM_DEVICE_CRT1_SUPPORT,
2355 									1),
2356 						  ATOM_DEVICE_CRT1_SUPPORT);
2357 			radeon_add_legacy_encoder(dev,
2358 						  radeon_get_encoder_enum(dev,
2359 									ATOM_DEVICE_DFP1_SUPPORT,
2360 									0),
2361 						  ATOM_DEVICE_DFP1_SUPPORT);
2362 
2363 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2364 			hpd.hpd = RADEON_HPD_1;
2365 			radeon_add_legacy_connector(dev,
2366 						    0,
2367 						    ATOM_DEVICE_CRT1_SUPPORT |
2368 						    ATOM_DEVICE_DFP1_SUPPORT,
2369 						    DRM_MODE_CONNECTOR_DVII,
2370 						    &ddc_i2c,
2371 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2372 						    &hpd);
2373 		} else {
2374 			uint16_t crt_info =
2375 				combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
2376 			DRM_DEBUG_KMS("Found CRT table, assuming VGA connector\n");
2377 			if (crt_info) {
2378 				radeon_add_legacy_encoder(dev,
2379 							  radeon_get_encoder_enum(dev,
2380 										ATOM_DEVICE_CRT1_SUPPORT,
2381 										1),
2382 							  ATOM_DEVICE_CRT1_SUPPORT);
2383 				ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2384 				hpd.hpd = RADEON_HPD_NONE;
2385 				radeon_add_legacy_connector(dev,
2386 							    0,
2387 							    ATOM_DEVICE_CRT1_SUPPORT,
2388 							    DRM_MODE_CONNECTOR_VGA,
2389 							    &ddc_i2c,
2390 							    CONNECTOR_OBJECT_ID_VGA,
2391 							    &hpd);
2392 			} else {
2393 				DRM_DEBUG_KMS("No connector info found\n");
2394 				return false;
2395 			}
2396 		}
2397 	}
2398 
2399 	if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
2400 		uint16_t lcd_info =
2401 		    combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
2402 		if (lcd_info) {
2403 			uint16_t lcd_ddc_info =
2404 			    combios_get_table_offset(dev,
2405 						     COMBIOS_LCD_DDC_INFO_TABLE);
2406 
2407 			radeon_add_legacy_encoder(dev,
2408 						  radeon_get_encoder_enum(dev,
2409 									ATOM_DEVICE_LCD1_SUPPORT,
2410 									0),
2411 						  ATOM_DEVICE_LCD1_SUPPORT);
2412 
2413 			if (lcd_ddc_info) {
2414 				ddc_type = RBIOS8(lcd_ddc_info + 2);
2415 				switch (ddc_type) {
2416 				case DDC_LCD:
2417 					ddc_i2c =
2418 						combios_setup_i2c_bus(rdev,
2419 								      DDC_LCD,
2420 								      RBIOS32(lcd_ddc_info + 3),
2421 								      RBIOS32(lcd_ddc_info + 7));
2422 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2423 					break;
2424 				case DDC_GPIO:
2425 					ddc_i2c =
2426 						combios_setup_i2c_bus(rdev,
2427 								      DDC_GPIO,
2428 								      RBIOS32(lcd_ddc_info + 3),
2429 								      RBIOS32(lcd_ddc_info + 7));
2430 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2431 					break;
2432 				default:
2433 					ddc_i2c =
2434 						combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2435 					break;
2436 				}
2437 				DRM_DEBUG_KMS("LCD DDC Info Table found!\n");
2438 			} else
2439 				ddc_i2c.valid = false;
2440 
2441 			hpd.hpd = RADEON_HPD_NONE;
2442 			radeon_add_legacy_connector(dev,
2443 						    5,
2444 						    ATOM_DEVICE_LCD1_SUPPORT,
2445 						    DRM_MODE_CONNECTOR_LVDS,
2446 						    &ddc_i2c,
2447 						    CONNECTOR_OBJECT_ID_LVDS,
2448 						    &hpd);
2449 		}
2450 	}
2451 
2452 	/* check TV table */
2453 	if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
2454 		uint32_t tv_info =
2455 		    combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
2456 		if (tv_info) {
2457 			if (RBIOS8(tv_info + 6) == 'T') {
2458 				if (radeon_apply_legacy_tv_quirks(dev)) {
2459 					hpd.hpd = RADEON_HPD_NONE;
2460 					ddc_i2c.valid = false;
2461 					radeon_add_legacy_encoder(dev,
2462 								  radeon_get_encoder_enum
2463 								  (dev,
2464 								   ATOM_DEVICE_TV1_SUPPORT,
2465 								   2),
2466 								  ATOM_DEVICE_TV1_SUPPORT);
2467 					radeon_add_legacy_connector(dev, 6,
2468 								    ATOM_DEVICE_TV1_SUPPORT,
2469 								    DRM_MODE_CONNECTOR_SVIDEO,
2470 								    &ddc_i2c,
2471 								    CONNECTOR_OBJECT_ID_SVIDEO,
2472 								    &hpd);
2473 				}
2474 			}
2475 		}
2476 	}
2477 
2478 	radeon_link_encoder_connector(dev);
2479 
2480 	return true;
2481 }
2482 
2483 void radeon_combios_get_power_modes(struct radeon_device *rdev)
2484 {
2485 	struct drm_device *dev = rdev->ddev;
2486 	u16 offset, misc, misc2 = 0;
2487 	u8 rev, blocks, tmp;
2488 	int state_index = 0;
2489 
2490 	rdev->pm.default_power_state_index = -1;
2491 
2492 	/* allocate 2 power states */
2493 	rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) * 2, GFP_KERNEL);
2494 	if (!rdev->pm.power_state) {
2495 		rdev->pm.default_power_state_index = state_index;
2496 		rdev->pm.num_power_states = 0;
2497 
2498 		rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2499 		rdev->pm.current_clock_mode_index = 0;
2500 		return;
2501 	}
2502 
2503 	if (rdev->flags & RADEON_IS_MOBILITY) {
2504 		offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
2505 		if (offset) {
2506 			rev = RBIOS8(offset);
2507 			blocks = RBIOS8(offset + 0x2);
2508 			/* power mode 0 tends to be the only valid one */
2509 			rdev->pm.power_state[state_index].num_clock_modes = 1;
2510 			rdev->pm.power_state[state_index].clock_info[0].mclk = RBIOS32(offset + 0x5 + 0x2);
2511 			rdev->pm.power_state[state_index].clock_info[0].sclk = RBIOS32(offset + 0x5 + 0x6);
2512 			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2513 			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2514 				goto default_mode;
2515 			rdev->pm.power_state[state_index].type =
2516 				POWER_STATE_TYPE_BATTERY;
2517 			misc = RBIOS16(offset + 0x5 + 0x0);
2518 			if (rev > 4)
2519 				misc2 = RBIOS16(offset + 0x5 + 0xe);
2520 			rdev->pm.power_state[state_index].misc = misc;
2521 			rdev->pm.power_state[state_index].misc2 = misc2;
2522 			if (misc & 0x4) {
2523 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
2524 				if (misc & 0x8)
2525 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2526 						true;
2527 				else
2528 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2529 						false;
2530 				rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = true;
2531 				if (rev < 6) {
2532 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2533 						RBIOS16(offset + 0x5 + 0xb) * 4;
2534 					tmp = RBIOS8(offset + 0x5 + 0xd);
2535 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2536 				} else {
2537 					u8 entries = RBIOS8(offset + 0x5 + 0xb);
2538 					u16 voltage_table_offset = RBIOS16(offset + 0x5 + 0xc);
2539 					if (entries && voltage_table_offset) {
2540 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2541 							RBIOS16(voltage_table_offset) * 4;
2542 						tmp = RBIOS8(voltage_table_offset + 0x2);
2543 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2544 					} else
2545 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = false;
2546 				}
2547 				switch ((misc2 & 0x700) >> 8) {
2548 				case 0:
2549 				default:
2550 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 0;
2551 					break;
2552 				case 1:
2553 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 33;
2554 					break;
2555 				case 2:
2556 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 66;
2557 					break;
2558 				case 3:
2559 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 99;
2560 					break;
2561 				case 4:
2562 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 132;
2563 					break;
2564 				}
2565 			} else
2566 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2567 			if (rev > 6)
2568 				rdev->pm.power_state[state_index].pcie_lanes =
2569 					RBIOS8(offset + 0x5 + 0x10);
2570 			rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2571 			state_index++;
2572 		} else {
2573 			/* XXX figure out some good default low power mode for mobility cards w/out power tables */
2574 		}
2575 	} else {
2576 		/* XXX figure out some good default low power mode for desktop cards */
2577 	}
2578 
2579 default_mode:
2580 	/* add the default mode */
2581 	rdev->pm.power_state[state_index].type =
2582 		POWER_STATE_TYPE_DEFAULT;
2583 	rdev->pm.power_state[state_index].num_clock_modes = 1;
2584 	rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
2585 	rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
2586 	rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
2587 	if ((state_index > 0) &&
2588 	    (rdev->pm.power_state[0].clock_info[0].voltage.type == VOLTAGE_GPIO))
2589 		rdev->pm.power_state[state_index].clock_info[0].voltage =
2590 			rdev->pm.power_state[0].clock_info[0].voltage;
2591 	else
2592 		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2593 	rdev->pm.power_state[state_index].pcie_lanes = 16;
2594 	rdev->pm.power_state[state_index].flags = 0;
2595 	rdev->pm.default_power_state_index = state_index;
2596 	rdev->pm.num_power_states = state_index + 1;
2597 
2598 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2599 	rdev->pm.current_clock_mode_index = 0;
2600 }
2601 
2602 void radeon_external_tmds_setup(struct drm_encoder *encoder)
2603 {
2604 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2605 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2606 
2607 	if (!tmds)
2608 		return;
2609 
2610 	switch (tmds->dvo_chip) {
2611 	case DVO_SIL164:
2612 		/* sil 164 */
2613 		radeon_i2c_put_byte(tmds->i2c_bus,
2614 				    tmds->slave_addr,
2615 				    0x08, 0x30);
2616 		radeon_i2c_put_byte(tmds->i2c_bus,
2617 				       tmds->slave_addr,
2618 				       0x09, 0x00);
2619 		radeon_i2c_put_byte(tmds->i2c_bus,
2620 				    tmds->slave_addr,
2621 				    0x0a, 0x90);
2622 		radeon_i2c_put_byte(tmds->i2c_bus,
2623 				    tmds->slave_addr,
2624 				    0x0c, 0x89);
2625 		radeon_i2c_put_byte(tmds->i2c_bus,
2626 				       tmds->slave_addr,
2627 				       0x08, 0x3b);
2628 		break;
2629 	case DVO_SIL1178:
2630 		/* sil 1178 - untested */
2631 		/*
2632 		 * 0x0f, 0x44
2633 		 * 0x0f, 0x4c
2634 		 * 0x0e, 0x01
2635 		 * 0x0a, 0x80
2636 		 * 0x09, 0x30
2637 		 * 0x0c, 0xc9
2638 		 * 0x0d, 0x70
2639 		 * 0x08, 0x32
2640 		 * 0x08, 0x33
2641 		 */
2642 		break;
2643 	default:
2644 		break;
2645 	}
2646 
2647 }
2648 
2649 bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
2650 {
2651 	struct drm_device *dev = encoder->dev;
2652 	struct radeon_device *rdev = dev->dev_private;
2653 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2654 	uint16_t offset;
2655 	uint8_t blocks, slave_addr, rev;
2656 	uint32_t index, id;
2657 	uint32_t reg, val, and_mask, or_mask;
2658 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2659 
2660 	if (!tmds)
2661 		return false;
2662 
2663 	if (rdev->flags & RADEON_IS_IGP) {
2664 		offset = combios_get_table_offset(dev, COMBIOS_TMDS_POWER_ON_TABLE);
2665 		rev = RBIOS8(offset);
2666 		if (offset) {
2667 			rev = RBIOS8(offset);
2668 			if (rev > 1) {
2669 				blocks = RBIOS8(offset + 3);
2670 				index = offset + 4;
2671 				while (blocks > 0) {
2672 					id = RBIOS16(index);
2673 					index += 2;
2674 					switch (id >> 13) {
2675 					case 0:
2676 						reg = (id & 0x1fff) * 4;
2677 						val = RBIOS32(index);
2678 						index += 4;
2679 						WREG32(reg, val);
2680 						break;
2681 					case 2:
2682 						reg = (id & 0x1fff) * 4;
2683 						and_mask = RBIOS32(index);
2684 						index += 4;
2685 						or_mask = RBIOS32(index);
2686 						index += 4;
2687 						val = RREG32(reg);
2688 						val = (val & and_mask) | or_mask;
2689 						WREG32(reg, val);
2690 						break;
2691 					case 3:
2692 						val = RBIOS16(index);
2693 						index += 2;
2694 						udelay(val);
2695 						break;
2696 					case 4:
2697 						val = RBIOS16(index);
2698 						index += 2;
2699 						udelay(val * 1000);
2700 						break;
2701 					case 6:
2702 						slave_addr = id & 0xff;
2703 						slave_addr >>= 1; /* 7 bit addressing */
2704 						index++;
2705 						reg = RBIOS8(index);
2706 						index++;
2707 						val = RBIOS8(index);
2708 						index++;
2709 						radeon_i2c_put_byte(tmds->i2c_bus,
2710 								    slave_addr,
2711 								    reg, val);
2712 						break;
2713 					default:
2714 						DRM_ERROR("Unknown id %d\n", id >> 13);
2715 						break;
2716 					}
2717 					blocks--;
2718 				}
2719 				return true;
2720 			}
2721 		}
2722 	} else {
2723 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2724 		if (offset) {
2725 			index = offset + 10;
2726 			id = RBIOS16(index);
2727 			while (id != 0xffff) {
2728 				index += 2;
2729 				switch (id >> 13) {
2730 				case 0:
2731 					reg = (id & 0x1fff) * 4;
2732 					val = RBIOS32(index);
2733 					WREG32(reg, val);
2734 					break;
2735 				case 2:
2736 					reg = (id & 0x1fff) * 4;
2737 					and_mask = RBIOS32(index);
2738 					index += 4;
2739 					or_mask = RBIOS32(index);
2740 					index += 4;
2741 					val = RREG32(reg);
2742 					val = (val & and_mask) | or_mask;
2743 					WREG32(reg, val);
2744 					break;
2745 				case 4:
2746 					val = RBIOS16(index);
2747 					index += 2;
2748 					udelay(val);
2749 					break;
2750 				case 5:
2751 					reg = id & 0x1fff;
2752 					and_mask = RBIOS32(index);
2753 					index += 4;
2754 					or_mask = RBIOS32(index);
2755 					index += 4;
2756 					val = RREG32_PLL(reg);
2757 					val = (val & and_mask) | or_mask;
2758 					WREG32_PLL(reg, val);
2759 					break;
2760 				case 6:
2761 					reg = id & 0x1fff;
2762 					val = RBIOS8(index);
2763 					index += 1;
2764 					radeon_i2c_put_byte(tmds->i2c_bus,
2765 							    tmds->slave_addr,
2766 							    reg, val);
2767 					break;
2768 				default:
2769 					DRM_ERROR("Unknown id %d\n", id >> 13);
2770 					break;
2771 				}
2772 				id = RBIOS16(index);
2773 			}
2774 			return true;
2775 		}
2776 	}
2777 	return false;
2778 }
2779 
2780 static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
2781 {
2782 	struct radeon_device *rdev = dev->dev_private;
2783 
2784 	if (offset) {
2785 		while (RBIOS16(offset)) {
2786 			uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
2787 			uint32_t addr = (RBIOS16(offset) & 0x1fff);
2788 			uint32_t val, and_mask, or_mask;
2789 			uint32_t tmp;
2790 
2791 			offset += 2;
2792 			switch (cmd) {
2793 			case 0:
2794 				val = RBIOS32(offset);
2795 				offset += 4;
2796 				WREG32(addr, val);
2797 				break;
2798 			case 1:
2799 				val = RBIOS32(offset);
2800 				offset += 4;
2801 				WREG32(addr, val);
2802 				break;
2803 			case 2:
2804 				and_mask = RBIOS32(offset);
2805 				offset += 4;
2806 				or_mask = RBIOS32(offset);
2807 				offset += 4;
2808 				tmp = RREG32(addr);
2809 				tmp &= and_mask;
2810 				tmp |= or_mask;
2811 				WREG32(addr, tmp);
2812 				break;
2813 			case 3:
2814 				and_mask = RBIOS32(offset);
2815 				offset += 4;
2816 				or_mask = RBIOS32(offset);
2817 				offset += 4;
2818 				tmp = RREG32(addr);
2819 				tmp &= and_mask;
2820 				tmp |= or_mask;
2821 				WREG32(addr, tmp);
2822 				break;
2823 			case 4:
2824 				val = RBIOS16(offset);
2825 				offset += 2;
2826 				udelay(val);
2827 				break;
2828 			case 5:
2829 				val = RBIOS16(offset);
2830 				offset += 2;
2831 				switch (addr) {
2832 				case 8:
2833 					while (val--) {
2834 						if (!
2835 						    (RREG32_PLL
2836 						     (RADEON_CLK_PWRMGT_CNTL) &
2837 						     RADEON_MC_BUSY))
2838 							break;
2839 					}
2840 					break;
2841 				case 9:
2842 					while (val--) {
2843 						if ((RREG32(RADEON_MC_STATUS) &
2844 						     RADEON_MC_IDLE))
2845 							break;
2846 					}
2847 					break;
2848 				default:
2849 					break;
2850 				}
2851 				break;
2852 			default:
2853 				break;
2854 			}
2855 		}
2856 	}
2857 }
2858 
2859 static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
2860 {
2861 	struct radeon_device *rdev = dev->dev_private;
2862 
2863 	if (offset) {
2864 		while (RBIOS8(offset)) {
2865 			uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
2866 			uint8_t addr = (RBIOS8(offset) & 0x3f);
2867 			uint32_t val, shift, tmp;
2868 			uint32_t and_mask, or_mask;
2869 
2870 			offset++;
2871 			switch (cmd) {
2872 			case 0:
2873 				val = RBIOS32(offset);
2874 				offset += 4;
2875 				WREG32_PLL(addr, val);
2876 				break;
2877 			case 1:
2878 				shift = RBIOS8(offset) * 8;
2879 				offset++;
2880 				and_mask = RBIOS8(offset) << shift;
2881 				and_mask |= ~(0xff << shift);
2882 				offset++;
2883 				or_mask = RBIOS8(offset) << shift;
2884 				offset++;
2885 				tmp = RREG32_PLL(addr);
2886 				tmp &= and_mask;
2887 				tmp |= or_mask;
2888 				WREG32_PLL(addr, tmp);
2889 				break;
2890 			case 2:
2891 			case 3:
2892 				tmp = 1000;
2893 				switch (addr) {
2894 				case 1:
2895 					udelay(150);
2896 					break;
2897 				case 2:
2898 					udelay(1000);
2899 					break;
2900 				case 3:
2901 					while (tmp--) {
2902 						if (!
2903 						    (RREG32_PLL
2904 						     (RADEON_CLK_PWRMGT_CNTL) &
2905 						     RADEON_MC_BUSY))
2906 							break;
2907 					}
2908 					break;
2909 				case 4:
2910 					while (tmp--) {
2911 						if (RREG32_PLL
2912 						    (RADEON_CLK_PWRMGT_CNTL) &
2913 						    RADEON_DLL_READY)
2914 							break;
2915 					}
2916 					break;
2917 				case 5:
2918 					tmp =
2919 					    RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
2920 					if (tmp & RADEON_CG_NO1_DEBUG_0) {
2921 #if 0
2922 						uint32_t mclk_cntl =
2923 						    RREG32_PLL
2924 						    (RADEON_MCLK_CNTL);
2925 						mclk_cntl &= 0xffff0000;
2926 						/*mclk_cntl |= 0x00001111;*//* ??? */
2927 						WREG32_PLL(RADEON_MCLK_CNTL,
2928 							   mclk_cntl);
2929 						udelay(10000);
2930 #endif
2931 						WREG32_PLL
2932 						    (RADEON_CLK_PWRMGT_CNTL,
2933 						     tmp &
2934 						     ~RADEON_CG_NO1_DEBUG_0);
2935 						udelay(10000);
2936 					}
2937 					break;
2938 				default:
2939 					break;
2940 				}
2941 				break;
2942 			default:
2943 				break;
2944 			}
2945 		}
2946 	}
2947 }
2948 
2949 static void combios_parse_ram_reset_table(struct drm_device *dev,
2950 					  uint16_t offset)
2951 {
2952 	struct radeon_device *rdev = dev->dev_private;
2953 	uint32_t tmp;
2954 
2955 	if (offset) {
2956 		uint8_t val = RBIOS8(offset);
2957 		while (val != 0xff) {
2958 			offset++;
2959 
2960 			if (val == 0x0f) {
2961 				uint32_t channel_complete_mask;
2962 
2963 				if (ASIC_IS_R300(rdev))
2964 					channel_complete_mask =
2965 					    R300_MEM_PWRUP_COMPLETE;
2966 				else
2967 					channel_complete_mask =
2968 					    RADEON_MEM_PWRUP_COMPLETE;
2969 				tmp = 20000;
2970 				while (tmp--) {
2971 					if ((RREG32(RADEON_MEM_STR_CNTL) &
2972 					     channel_complete_mask) ==
2973 					    channel_complete_mask)
2974 						break;
2975 				}
2976 			} else {
2977 				uint32_t or_mask = RBIOS16(offset);
2978 				offset += 2;
2979 
2980 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2981 				tmp &= RADEON_SDRAM_MODE_MASK;
2982 				tmp |= or_mask;
2983 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
2984 
2985 				or_mask = val << 24;
2986 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2987 				tmp &= RADEON_B3MEM_RESET_MASK;
2988 				tmp |= or_mask;
2989 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
2990 			}
2991 			val = RBIOS8(offset);
2992 		}
2993 	}
2994 }
2995 
2996 static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
2997 				   int mem_addr_mapping)
2998 {
2999 	struct radeon_device *rdev = dev->dev_private;
3000 	uint32_t mem_cntl;
3001 	uint32_t mem_size;
3002 	uint32_t addr = 0;
3003 
3004 	mem_cntl = RREG32(RADEON_MEM_CNTL);
3005 	if (mem_cntl & RV100_HALF_MODE)
3006 		ram /= 2;
3007 	mem_size = ram;
3008 	mem_cntl &= ~(0xff << 8);
3009 	mem_cntl |= (mem_addr_mapping & 0xff) << 8;
3010 	WREG32(RADEON_MEM_CNTL, mem_cntl);
3011 	RREG32(RADEON_MEM_CNTL);
3012 
3013 	/* sdram reset ? */
3014 
3015 	/* something like this????  */
3016 	while (ram--) {
3017 		addr = ram * 1024 * 1024;
3018 		/* write to each page */
3019 		WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
3020 		WREG32(RADEON_MM_DATA, 0xdeadbeef);
3021 		/* read back and verify */
3022 		WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
3023 		if (RREG32(RADEON_MM_DATA) != 0xdeadbeef)
3024 			return 0;
3025 	}
3026 
3027 	return mem_size;
3028 }
3029 
3030 static void combios_write_ram_size(struct drm_device *dev)
3031 {
3032 	struct radeon_device *rdev = dev->dev_private;
3033 	uint8_t rev;
3034 	uint16_t offset;
3035 	uint32_t mem_size = 0;
3036 	uint32_t mem_cntl = 0;
3037 
3038 	/* should do something smarter here I guess... */
3039 	if (rdev->flags & RADEON_IS_IGP)
3040 		return;
3041 
3042 	/* first check detected mem table */
3043 	offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
3044 	if (offset) {
3045 		rev = RBIOS8(offset);
3046 		if (rev < 3) {
3047 			mem_cntl = RBIOS32(offset + 1);
3048 			mem_size = RBIOS16(offset + 5);
3049 			if ((rdev->family < CHIP_R200) &&
3050 			    !ASIC_IS_RN50(rdev))
3051 				WREG32(RADEON_MEM_CNTL, mem_cntl);
3052 		}
3053 	}
3054 
3055 	if (!mem_size) {
3056 		offset =
3057 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
3058 		if (offset) {
3059 			rev = RBIOS8(offset - 1);
3060 			if (rev < 1) {
3061 				if ((rdev->family < CHIP_R200)
3062 				    && !ASIC_IS_RN50(rdev)) {
3063 					int ram = 0;
3064 					int mem_addr_mapping = 0;
3065 
3066 					while (RBIOS8(offset)) {
3067 						ram = RBIOS8(offset);
3068 						mem_addr_mapping =
3069 						    RBIOS8(offset + 1);
3070 						if (mem_addr_mapping != 0x25)
3071 							ram *= 2;
3072 						mem_size =
3073 						    combios_detect_ram(dev, ram,
3074 								       mem_addr_mapping);
3075 						if (mem_size)
3076 							break;
3077 						offset += 2;
3078 					}
3079 				} else
3080 					mem_size = RBIOS8(offset);
3081 			} else {
3082 				mem_size = RBIOS8(offset);
3083 				mem_size *= 2;	/* convert to MB */
3084 			}
3085 		}
3086 	}
3087 
3088 	mem_size *= (1024 * 1024);	/* convert to bytes */
3089 	WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
3090 }
3091 
3092 void radeon_combios_dyn_clk_setup(struct drm_device *dev, int enable)
3093 {
3094 	uint16_t dyn_clk_info =
3095 	    combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3096 
3097 	if (dyn_clk_info)
3098 		combios_parse_pll_table(dev, dyn_clk_info);
3099 }
3100 
3101 void radeon_combios_asic_init(struct drm_device *dev)
3102 {
3103 	struct radeon_device *rdev = dev->dev_private;
3104 	uint16_t table;
3105 
3106 	/* port hardcoded mac stuff from radeonfb */
3107 	if (rdev->bios == NULL)
3108 		return;
3109 
3110 	/* ASIC INIT 1 */
3111 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE);
3112 	if (table)
3113 		combios_parse_mmio_table(dev, table);
3114 
3115 	/* PLL INIT */
3116 	table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE);
3117 	if (table)
3118 		combios_parse_pll_table(dev, table);
3119 
3120 	/* ASIC INIT 2 */
3121 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE);
3122 	if (table)
3123 		combios_parse_mmio_table(dev, table);
3124 
3125 	if (!(rdev->flags & RADEON_IS_IGP)) {
3126 		/* ASIC INIT 4 */
3127 		table =
3128 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE);
3129 		if (table)
3130 			combios_parse_mmio_table(dev, table);
3131 
3132 		/* RAM RESET */
3133 		table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE);
3134 		if (table)
3135 			combios_parse_ram_reset_table(dev, table);
3136 
3137 		/* ASIC INIT 3 */
3138 		table =
3139 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE);
3140 		if (table)
3141 			combios_parse_mmio_table(dev, table);
3142 
3143 		/* write CONFIG_MEMSIZE */
3144 		combios_write_ram_size(dev);
3145 	}
3146 
3147 	/* quirk for rs4xx HP nx6125 laptop to make it resume
3148 	 * - it hangs on resume inside the dynclk 1 table.
3149 	 */
3150 	if (rdev->family == CHIP_RS480 &&
3151 	    rdev->pdev->subsystem_vendor == 0x103c &&
3152 	    rdev->pdev->subsystem_device == 0x308b)
3153 		return;
3154 
3155 	/* quirk for rs4xx HP dv5000 laptop to make it resume
3156 	 * - it hangs on resume inside the dynclk 1 table.
3157 	 */
3158 	if (rdev->family == CHIP_RS480 &&
3159 	    rdev->pdev->subsystem_vendor == 0x103c &&
3160 	    rdev->pdev->subsystem_device == 0x30a4)
3161 		return;
3162 
3163 	/* DYN CLK 1 */
3164 	table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3165 	if (table)
3166 		combios_parse_pll_table(dev, table);
3167 
3168 }
3169 
3170 void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
3171 {
3172 	struct radeon_device *rdev = dev->dev_private;
3173 	uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
3174 
3175 	bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
3176 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3177 	bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
3178 
3179 	/* let the bios control the backlight */
3180 	bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
3181 
3182 	/* tell the bios not to handle mode switching */
3183 	bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
3184 			   RADEON_ACC_MODE_CHANGE);
3185 
3186 	/* tell the bios a driver is loaded */
3187 	bios_7_scratch |= RADEON_DRV_LOADED;
3188 
3189 	WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
3190 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3191 	WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
3192 }
3193 
3194 void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
3195 {
3196 	struct drm_device *dev = encoder->dev;
3197 	struct radeon_device *rdev = dev->dev_private;
3198 	uint32_t bios_6_scratch;
3199 
3200 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3201 
3202 	if (lock)
3203 		bios_6_scratch |= RADEON_DRIVER_CRITICAL;
3204 	else
3205 		bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
3206 
3207 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3208 }
3209 
3210 void
3211 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
3212 				      struct drm_encoder *encoder,
3213 				      bool connected)
3214 {
3215 	struct drm_device *dev = connector->dev;
3216 	struct radeon_device *rdev = dev->dev_private;
3217 	struct radeon_connector *radeon_connector =
3218 	    to_radeon_connector(connector);
3219 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3220 	uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
3221 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3222 
3223 	if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
3224 	    (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
3225 		if (connected) {
3226 			DRM_DEBUG_KMS("TV1 connected\n");
3227 			/* fix me */
3228 			bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
3229 			/*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
3230 			bios_5_scratch |= RADEON_TV1_ON;
3231 			bios_5_scratch |= RADEON_ACC_REQ_TV1;
3232 		} else {
3233 			DRM_DEBUG_KMS("TV1 disconnected\n");
3234 			bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
3235 			bios_5_scratch &= ~RADEON_TV1_ON;
3236 			bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
3237 		}
3238 	}
3239 	if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
3240 	    (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
3241 		if (connected) {
3242 			DRM_DEBUG_KMS("LCD1 connected\n");
3243 			bios_4_scratch |= RADEON_LCD1_ATTACHED;
3244 			bios_5_scratch |= RADEON_LCD1_ON;
3245 			bios_5_scratch |= RADEON_ACC_REQ_LCD1;
3246 		} else {
3247 			DRM_DEBUG_KMS("LCD1 disconnected\n");
3248 			bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
3249 			bios_5_scratch &= ~RADEON_LCD1_ON;
3250 			bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
3251 		}
3252 	}
3253 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
3254 	    (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
3255 		if (connected) {
3256 			DRM_DEBUG_KMS("CRT1 connected\n");
3257 			bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
3258 			bios_5_scratch |= RADEON_CRT1_ON;
3259 			bios_5_scratch |= RADEON_ACC_REQ_CRT1;
3260 		} else {
3261 			DRM_DEBUG_KMS("CRT1 disconnected\n");
3262 			bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
3263 			bios_5_scratch &= ~RADEON_CRT1_ON;
3264 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
3265 		}
3266 	}
3267 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
3268 	    (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
3269 		if (connected) {
3270 			DRM_DEBUG_KMS("CRT2 connected\n");
3271 			bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
3272 			bios_5_scratch |= RADEON_CRT2_ON;
3273 			bios_5_scratch |= RADEON_ACC_REQ_CRT2;
3274 		} else {
3275 			DRM_DEBUG_KMS("CRT2 disconnected\n");
3276 			bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
3277 			bios_5_scratch &= ~RADEON_CRT2_ON;
3278 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
3279 		}
3280 	}
3281 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
3282 	    (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
3283 		if (connected) {
3284 			DRM_DEBUG_KMS("DFP1 connected\n");
3285 			bios_4_scratch |= RADEON_DFP1_ATTACHED;
3286 			bios_5_scratch |= RADEON_DFP1_ON;
3287 			bios_5_scratch |= RADEON_ACC_REQ_DFP1;
3288 		} else {
3289 			DRM_DEBUG_KMS("DFP1 disconnected\n");
3290 			bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
3291 			bios_5_scratch &= ~RADEON_DFP1_ON;
3292 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
3293 		}
3294 	}
3295 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
3296 	    (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
3297 		if (connected) {
3298 			DRM_DEBUG_KMS("DFP2 connected\n");
3299 			bios_4_scratch |= RADEON_DFP2_ATTACHED;
3300 			bios_5_scratch |= RADEON_DFP2_ON;
3301 			bios_5_scratch |= RADEON_ACC_REQ_DFP2;
3302 		} else {
3303 			DRM_DEBUG_KMS("DFP2 disconnected\n");
3304 			bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
3305 			bios_5_scratch &= ~RADEON_DFP2_ON;
3306 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
3307 		}
3308 	}
3309 	WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
3310 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3311 }
3312 
3313 void
3314 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
3315 {
3316 	struct drm_device *dev = encoder->dev;
3317 	struct radeon_device *rdev = dev->dev_private;
3318 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3319 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3320 
3321 	if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
3322 		bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
3323 		bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
3324 	}
3325 	if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
3326 		bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
3327 		bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
3328 	}
3329 	if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
3330 		bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
3331 		bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
3332 	}
3333 	if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
3334 		bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
3335 		bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
3336 	}
3337 	if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
3338 		bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
3339 		bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
3340 	}
3341 	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
3342 		bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
3343 		bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
3344 	}
3345 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3346 }
3347 
3348 void
3349 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
3350 {
3351 	struct drm_device *dev = encoder->dev;
3352 	struct radeon_device *rdev = dev->dev_private;
3353 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3354 	uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3355 
3356 	if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
3357 		if (on)
3358 			bios_6_scratch |= RADEON_TV_DPMS_ON;
3359 		else
3360 			bios_6_scratch &= ~RADEON_TV_DPMS_ON;
3361 	}
3362 	if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3363 		if (on)
3364 			bios_6_scratch |= RADEON_CRT_DPMS_ON;
3365 		else
3366 			bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
3367 	}
3368 	if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3369 		if (on)
3370 			bios_6_scratch |= RADEON_LCD_DPMS_ON;
3371 		else
3372 			bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
3373 	}
3374 	if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
3375 		if (on)
3376 			bios_6_scratch |= RADEON_DFP_DPMS_ON;
3377 		else
3378 			bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
3379 	}
3380 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3381 }
3382