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_id(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 
54 /* from radeon_legacy_encoder.c */
55 extern void
56 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_id,
57 			  uint32_t supported_device);
58 
59 /* old legacy ATI BIOS routines */
60 
61 /* COMBIOS table offsets */
62 enum radeon_combios_table_offset {
63 	/* absolute offset tables */
64 	COMBIOS_ASIC_INIT_1_TABLE,
65 	COMBIOS_BIOS_SUPPORT_TABLE,
66 	COMBIOS_DAC_PROGRAMMING_TABLE,
67 	COMBIOS_MAX_COLOR_DEPTH_TABLE,
68 	COMBIOS_CRTC_INFO_TABLE,
69 	COMBIOS_PLL_INFO_TABLE,
70 	COMBIOS_TV_INFO_TABLE,
71 	COMBIOS_DFP_INFO_TABLE,
72 	COMBIOS_HW_CONFIG_INFO_TABLE,
73 	COMBIOS_MULTIMEDIA_INFO_TABLE,
74 	COMBIOS_TV_STD_PATCH_TABLE,
75 	COMBIOS_LCD_INFO_TABLE,
76 	COMBIOS_MOBILE_INFO_TABLE,
77 	COMBIOS_PLL_INIT_TABLE,
78 	COMBIOS_MEM_CONFIG_TABLE,
79 	COMBIOS_SAVE_MASK_TABLE,
80 	COMBIOS_HARDCODED_EDID_TABLE,
81 	COMBIOS_ASIC_INIT_2_TABLE,
82 	COMBIOS_CONNECTOR_INFO_TABLE,
83 	COMBIOS_DYN_CLK_1_TABLE,
84 	COMBIOS_RESERVED_MEM_TABLE,
85 	COMBIOS_EXT_TMDS_INFO_TABLE,
86 	COMBIOS_MEM_CLK_INFO_TABLE,
87 	COMBIOS_EXT_DAC_INFO_TABLE,
88 	COMBIOS_MISC_INFO_TABLE,
89 	COMBIOS_CRT_INFO_TABLE,
90 	COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE,
91 	COMBIOS_COMPONENT_VIDEO_INFO_TABLE,
92 	COMBIOS_FAN_SPEED_INFO_TABLE,
93 	COMBIOS_OVERDRIVE_INFO_TABLE,
94 	COMBIOS_OEM_INFO_TABLE,
95 	COMBIOS_DYN_CLK_2_TABLE,
96 	COMBIOS_POWER_CONNECTOR_INFO_TABLE,
97 	COMBIOS_I2C_INFO_TABLE,
98 	/* relative offset tables */
99 	COMBIOS_ASIC_INIT_3_TABLE,	/* offset from misc info */
100 	COMBIOS_ASIC_INIT_4_TABLE,	/* offset from misc info */
101 	COMBIOS_DETECTED_MEM_TABLE,	/* offset from misc info */
102 	COMBIOS_ASIC_INIT_5_TABLE,	/* offset from misc info */
103 	COMBIOS_RAM_RESET_TABLE,	/* offset from mem config */
104 	COMBIOS_POWERPLAY_INFO_TABLE,	/* offset from mobile info */
105 	COMBIOS_GPIO_INFO_TABLE,	/* offset from mobile info */
106 	COMBIOS_LCD_DDC_INFO_TABLE,	/* offset from mobile info */
107 	COMBIOS_TMDS_POWER_TABLE,	/* offset from mobile info */
108 	COMBIOS_TMDS_POWER_ON_TABLE,	/* offset from tmds power */
109 	COMBIOS_TMDS_POWER_OFF_TABLE,	/* offset from tmds power */
110 };
111 
112 enum radeon_combios_ddc {
113 	DDC_NONE_DETECTED,
114 	DDC_MONID,
115 	DDC_DVI,
116 	DDC_VGA,
117 	DDC_CRT2,
118 	DDC_LCD,
119 	DDC_GPIO,
120 };
121 
122 enum radeon_combios_connector {
123 	CONNECTOR_NONE_LEGACY,
124 	CONNECTOR_PROPRIETARY_LEGACY,
125 	CONNECTOR_CRT_LEGACY,
126 	CONNECTOR_DVI_I_LEGACY,
127 	CONNECTOR_DVI_D_LEGACY,
128 	CONNECTOR_CTV_LEGACY,
129 	CONNECTOR_STV_LEGACY,
130 	CONNECTOR_UNSUPPORTED_LEGACY
131 };
132 
133 const int legacy_connector_convert[] = {
134 	DRM_MODE_CONNECTOR_Unknown,
135 	DRM_MODE_CONNECTOR_DVID,
136 	DRM_MODE_CONNECTOR_VGA,
137 	DRM_MODE_CONNECTOR_DVII,
138 	DRM_MODE_CONNECTOR_DVID,
139 	DRM_MODE_CONNECTOR_Composite,
140 	DRM_MODE_CONNECTOR_SVIDEO,
141 	DRM_MODE_CONNECTOR_Unknown,
142 };
143 
144 static uint16_t combios_get_table_offset(struct drm_device *dev,
145 					 enum radeon_combios_table_offset table)
146 {
147 	struct radeon_device *rdev = dev->dev_private;
148 	int rev;
149 	uint16_t offset = 0, check_offset;
150 
151 	switch (table) {
152 		/* absolute offset tables */
153 	case COMBIOS_ASIC_INIT_1_TABLE:
154 		check_offset = RBIOS16(rdev->bios_header_start + 0xc);
155 		if (check_offset)
156 			offset = check_offset;
157 		break;
158 	case COMBIOS_BIOS_SUPPORT_TABLE:
159 		check_offset = RBIOS16(rdev->bios_header_start + 0x14);
160 		if (check_offset)
161 			offset = check_offset;
162 		break;
163 	case COMBIOS_DAC_PROGRAMMING_TABLE:
164 		check_offset = RBIOS16(rdev->bios_header_start + 0x2a);
165 		if (check_offset)
166 			offset = check_offset;
167 		break;
168 	case COMBIOS_MAX_COLOR_DEPTH_TABLE:
169 		check_offset = RBIOS16(rdev->bios_header_start + 0x2c);
170 		if (check_offset)
171 			offset = check_offset;
172 		break;
173 	case COMBIOS_CRTC_INFO_TABLE:
174 		check_offset = RBIOS16(rdev->bios_header_start + 0x2e);
175 		if (check_offset)
176 			offset = check_offset;
177 		break;
178 	case COMBIOS_PLL_INFO_TABLE:
179 		check_offset = RBIOS16(rdev->bios_header_start + 0x30);
180 		if (check_offset)
181 			offset = check_offset;
182 		break;
183 	case COMBIOS_TV_INFO_TABLE:
184 		check_offset = RBIOS16(rdev->bios_header_start + 0x32);
185 		if (check_offset)
186 			offset = check_offset;
187 		break;
188 	case COMBIOS_DFP_INFO_TABLE:
189 		check_offset = RBIOS16(rdev->bios_header_start + 0x34);
190 		if (check_offset)
191 			offset = check_offset;
192 		break;
193 	case COMBIOS_HW_CONFIG_INFO_TABLE:
194 		check_offset = RBIOS16(rdev->bios_header_start + 0x36);
195 		if (check_offset)
196 			offset = check_offset;
197 		break;
198 	case COMBIOS_MULTIMEDIA_INFO_TABLE:
199 		check_offset = RBIOS16(rdev->bios_header_start + 0x38);
200 		if (check_offset)
201 			offset = check_offset;
202 		break;
203 	case COMBIOS_TV_STD_PATCH_TABLE:
204 		check_offset = RBIOS16(rdev->bios_header_start + 0x3e);
205 		if (check_offset)
206 			offset = check_offset;
207 		break;
208 	case COMBIOS_LCD_INFO_TABLE:
209 		check_offset = RBIOS16(rdev->bios_header_start + 0x40);
210 		if (check_offset)
211 			offset = check_offset;
212 		break;
213 	case COMBIOS_MOBILE_INFO_TABLE:
214 		check_offset = RBIOS16(rdev->bios_header_start + 0x42);
215 		if (check_offset)
216 			offset = check_offset;
217 		break;
218 	case COMBIOS_PLL_INIT_TABLE:
219 		check_offset = RBIOS16(rdev->bios_header_start + 0x46);
220 		if (check_offset)
221 			offset = check_offset;
222 		break;
223 	case COMBIOS_MEM_CONFIG_TABLE:
224 		check_offset = RBIOS16(rdev->bios_header_start + 0x48);
225 		if (check_offset)
226 			offset = check_offset;
227 		break;
228 	case COMBIOS_SAVE_MASK_TABLE:
229 		check_offset = RBIOS16(rdev->bios_header_start + 0x4a);
230 		if (check_offset)
231 			offset = check_offset;
232 		break;
233 	case COMBIOS_HARDCODED_EDID_TABLE:
234 		check_offset = RBIOS16(rdev->bios_header_start + 0x4c);
235 		if (check_offset)
236 			offset = check_offset;
237 		break;
238 	case COMBIOS_ASIC_INIT_2_TABLE:
239 		check_offset = RBIOS16(rdev->bios_header_start + 0x4e);
240 		if (check_offset)
241 			offset = check_offset;
242 		break;
243 	case COMBIOS_CONNECTOR_INFO_TABLE:
244 		check_offset = RBIOS16(rdev->bios_header_start + 0x50);
245 		if (check_offset)
246 			offset = check_offset;
247 		break;
248 	case COMBIOS_DYN_CLK_1_TABLE:
249 		check_offset = RBIOS16(rdev->bios_header_start + 0x52);
250 		if (check_offset)
251 			offset = check_offset;
252 		break;
253 	case COMBIOS_RESERVED_MEM_TABLE:
254 		check_offset = RBIOS16(rdev->bios_header_start + 0x54);
255 		if (check_offset)
256 			offset = check_offset;
257 		break;
258 	case COMBIOS_EXT_TMDS_INFO_TABLE:
259 		check_offset = RBIOS16(rdev->bios_header_start + 0x58);
260 		if (check_offset)
261 			offset = check_offset;
262 		break;
263 	case COMBIOS_MEM_CLK_INFO_TABLE:
264 		check_offset = RBIOS16(rdev->bios_header_start + 0x5a);
265 		if (check_offset)
266 			offset = check_offset;
267 		break;
268 	case COMBIOS_EXT_DAC_INFO_TABLE:
269 		check_offset = RBIOS16(rdev->bios_header_start + 0x5c);
270 		if (check_offset)
271 			offset = check_offset;
272 		break;
273 	case COMBIOS_MISC_INFO_TABLE:
274 		check_offset = RBIOS16(rdev->bios_header_start + 0x5e);
275 		if (check_offset)
276 			offset = check_offset;
277 		break;
278 	case COMBIOS_CRT_INFO_TABLE:
279 		check_offset = RBIOS16(rdev->bios_header_start + 0x60);
280 		if (check_offset)
281 			offset = check_offset;
282 		break;
283 	case COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE:
284 		check_offset = RBIOS16(rdev->bios_header_start + 0x62);
285 		if (check_offset)
286 			offset = check_offset;
287 		break;
288 	case COMBIOS_COMPONENT_VIDEO_INFO_TABLE:
289 		check_offset = RBIOS16(rdev->bios_header_start + 0x64);
290 		if (check_offset)
291 			offset = check_offset;
292 		break;
293 	case COMBIOS_FAN_SPEED_INFO_TABLE:
294 		check_offset = RBIOS16(rdev->bios_header_start + 0x66);
295 		if (check_offset)
296 			offset = check_offset;
297 		break;
298 	case COMBIOS_OVERDRIVE_INFO_TABLE:
299 		check_offset = RBIOS16(rdev->bios_header_start + 0x68);
300 		if (check_offset)
301 			offset = check_offset;
302 		break;
303 	case COMBIOS_OEM_INFO_TABLE:
304 		check_offset = RBIOS16(rdev->bios_header_start + 0x6a);
305 		if (check_offset)
306 			offset = check_offset;
307 		break;
308 	case COMBIOS_DYN_CLK_2_TABLE:
309 		check_offset = RBIOS16(rdev->bios_header_start + 0x6c);
310 		if (check_offset)
311 			offset = check_offset;
312 		break;
313 	case COMBIOS_POWER_CONNECTOR_INFO_TABLE:
314 		check_offset = RBIOS16(rdev->bios_header_start + 0x6e);
315 		if (check_offset)
316 			offset = check_offset;
317 		break;
318 	case COMBIOS_I2C_INFO_TABLE:
319 		check_offset = RBIOS16(rdev->bios_header_start + 0x70);
320 		if (check_offset)
321 			offset = check_offset;
322 		break;
323 		/* relative offset tables */
324 	case COMBIOS_ASIC_INIT_3_TABLE:	/* offset from misc info */
325 		check_offset =
326 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
327 		if (check_offset) {
328 			rev = RBIOS8(check_offset);
329 			if (rev > 0) {
330 				check_offset = RBIOS16(check_offset + 0x3);
331 				if (check_offset)
332 					offset = check_offset;
333 			}
334 		}
335 		break;
336 	case COMBIOS_ASIC_INIT_4_TABLE:	/* offset from misc info */
337 		check_offset =
338 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
339 		if (check_offset) {
340 			rev = RBIOS8(check_offset);
341 			if (rev > 0) {
342 				check_offset = RBIOS16(check_offset + 0x5);
343 				if (check_offset)
344 					offset = check_offset;
345 			}
346 		}
347 		break;
348 	case COMBIOS_DETECTED_MEM_TABLE:	/* offset from misc info */
349 		check_offset =
350 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
351 		if (check_offset) {
352 			rev = RBIOS8(check_offset);
353 			if (rev > 0) {
354 				check_offset = RBIOS16(check_offset + 0x7);
355 				if (check_offset)
356 					offset = check_offset;
357 			}
358 		}
359 		break;
360 	case COMBIOS_ASIC_INIT_5_TABLE:	/* offset from misc info */
361 		check_offset =
362 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
363 		if (check_offset) {
364 			rev = RBIOS8(check_offset);
365 			if (rev == 2) {
366 				check_offset = RBIOS16(check_offset + 0x9);
367 				if (check_offset)
368 					offset = check_offset;
369 			}
370 		}
371 		break;
372 	case COMBIOS_RAM_RESET_TABLE:	/* offset from mem config */
373 		check_offset =
374 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
375 		if (check_offset) {
376 			while (RBIOS8(check_offset++));
377 			check_offset += 2;
378 			if (check_offset)
379 				offset = check_offset;
380 		}
381 		break;
382 	case COMBIOS_POWERPLAY_INFO_TABLE:	/* offset from mobile info */
383 		check_offset =
384 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
385 		if (check_offset) {
386 			check_offset = RBIOS16(check_offset + 0x11);
387 			if (check_offset)
388 				offset = check_offset;
389 		}
390 		break;
391 	case COMBIOS_GPIO_INFO_TABLE:	/* offset from mobile info */
392 		check_offset =
393 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
394 		if (check_offset) {
395 			check_offset = RBIOS16(check_offset + 0x13);
396 			if (check_offset)
397 				offset = check_offset;
398 		}
399 		break;
400 	case COMBIOS_LCD_DDC_INFO_TABLE:	/* offset from mobile info */
401 		check_offset =
402 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
403 		if (check_offset) {
404 			check_offset = RBIOS16(check_offset + 0x15);
405 			if (check_offset)
406 				offset = check_offset;
407 		}
408 		break;
409 	case COMBIOS_TMDS_POWER_TABLE:	/* offset from mobile info */
410 		check_offset =
411 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
412 		if (check_offset) {
413 			check_offset = RBIOS16(check_offset + 0x17);
414 			if (check_offset)
415 				offset = check_offset;
416 		}
417 		break;
418 	case COMBIOS_TMDS_POWER_ON_TABLE:	/* offset from tmds power */
419 		check_offset =
420 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
421 		if (check_offset) {
422 			check_offset = RBIOS16(check_offset + 0x2);
423 			if (check_offset)
424 				offset = check_offset;
425 		}
426 		break;
427 	case COMBIOS_TMDS_POWER_OFF_TABLE:	/* offset from tmds power */
428 		check_offset =
429 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
430 		if (check_offset) {
431 			check_offset = RBIOS16(check_offset + 0x4);
432 			if (check_offset)
433 				offset = check_offset;
434 		}
435 		break;
436 	default:
437 		break;
438 	}
439 
440 	return offset;
441 
442 }
443 
444 struct radeon_i2c_bus_rec combios_setup_i2c_bus(int ddc_line)
445 {
446 	struct radeon_i2c_bus_rec i2c;
447 
448 	i2c.mask_clk_mask = RADEON_GPIO_EN_1;
449 	i2c.mask_data_mask = RADEON_GPIO_EN_0;
450 	i2c.a_clk_mask = RADEON_GPIO_A_1;
451 	i2c.a_data_mask = RADEON_GPIO_A_0;
452 	i2c.put_clk_mask = RADEON_GPIO_EN_1;
453 	i2c.put_data_mask = RADEON_GPIO_EN_0;
454 	i2c.get_clk_mask = RADEON_GPIO_Y_1;
455 	i2c.get_data_mask = RADEON_GPIO_Y_0;
456 	if ((ddc_line == RADEON_LCD_GPIO_MASK) ||
457 	    (ddc_line == RADEON_MDGPIO_EN_REG)) {
458 		i2c.mask_clk_reg = ddc_line;
459 		i2c.mask_data_reg = ddc_line;
460 		i2c.a_clk_reg = ddc_line;
461 		i2c.a_data_reg = ddc_line;
462 		i2c.put_clk_reg = ddc_line;
463 		i2c.put_data_reg = ddc_line;
464 		i2c.get_clk_reg = ddc_line + 4;
465 		i2c.get_data_reg = ddc_line + 4;
466 	} else {
467 		i2c.mask_clk_reg = ddc_line;
468 		i2c.mask_data_reg = ddc_line;
469 		i2c.a_clk_reg = ddc_line;
470 		i2c.a_data_reg = ddc_line;
471 		i2c.put_clk_reg = ddc_line;
472 		i2c.put_data_reg = ddc_line;
473 		i2c.get_clk_reg = ddc_line;
474 		i2c.get_data_reg = ddc_line;
475 	}
476 
477 	if (ddc_line)
478 		i2c.valid = true;
479 	else
480 		i2c.valid = false;
481 
482 	return i2c;
483 }
484 
485 bool radeon_combios_get_clock_info(struct drm_device *dev)
486 {
487 	struct radeon_device *rdev = dev->dev_private;
488 	uint16_t pll_info;
489 	struct radeon_pll *p1pll = &rdev->clock.p1pll;
490 	struct radeon_pll *p2pll = &rdev->clock.p2pll;
491 	struct radeon_pll *spll = &rdev->clock.spll;
492 	struct radeon_pll *mpll = &rdev->clock.mpll;
493 	int8_t rev;
494 	uint16_t sclk, mclk;
495 
496 	if (rdev->bios == NULL)
497 		return NULL;
498 
499 	pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
500 	if (pll_info) {
501 		rev = RBIOS8(pll_info);
502 
503 		/* pixel clocks */
504 		p1pll->reference_freq = RBIOS16(pll_info + 0xe);
505 		p1pll->reference_div = RBIOS16(pll_info + 0x10);
506 		p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
507 		p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
508 
509 		if (rev > 9) {
510 			p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
511 			p1pll->pll_in_max = RBIOS32(pll_info + 0x3a);
512 		} else {
513 			p1pll->pll_in_min = 40;
514 			p1pll->pll_in_max = 500;
515 		}
516 		*p2pll = *p1pll;
517 
518 		/* system clock */
519 		spll->reference_freq = RBIOS16(pll_info + 0x1a);
520 		spll->reference_div = RBIOS16(pll_info + 0x1c);
521 		spll->pll_out_min = RBIOS32(pll_info + 0x1e);
522 		spll->pll_out_max = RBIOS32(pll_info + 0x22);
523 
524 		if (rev > 10) {
525 			spll->pll_in_min = RBIOS32(pll_info + 0x48);
526 			spll->pll_in_max = RBIOS32(pll_info + 0x4c);
527 		} else {
528 			/* ??? */
529 			spll->pll_in_min = 40;
530 			spll->pll_in_max = 500;
531 		}
532 
533 		/* memory clock */
534 		mpll->reference_freq = RBIOS16(pll_info + 0x26);
535 		mpll->reference_div = RBIOS16(pll_info + 0x28);
536 		mpll->pll_out_min = RBIOS32(pll_info + 0x2a);
537 		mpll->pll_out_max = RBIOS32(pll_info + 0x2e);
538 
539 		if (rev > 10) {
540 			mpll->pll_in_min = RBIOS32(pll_info + 0x5a);
541 			mpll->pll_in_max = RBIOS32(pll_info + 0x5e);
542 		} else {
543 			/* ??? */
544 			mpll->pll_in_min = 40;
545 			mpll->pll_in_max = 500;
546 		}
547 
548 		/* default sclk/mclk */
549 		sclk = RBIOS16(pll_info + 0xa);
550 		mclk = RBIOS16(pll_info + 0x8);
551 		if (sclk == 0)
552 			sclk = 200 * 100;
553 		if (mclk == 0)
554 			mclk = 200 * 100;
555 
556 		rdev->clock.default_sclk = sclk;
557 		rdev->clock.default_mclk = mclk;
558 
559 		return true;
560 	}
561 	return false;
562 }
563 
564 struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
565 								       radeon_encoder
566 								       *encoder)
567 {
568 	struct drm_device *dev = encoder->base.dev;
569 	struct radeon_device *rdev = dev->dev_private;
570 	uint16_t dac_info;
571 	uint8_t rev, bg, dac;
572 	struct radeon_encoder_primary_dac *p_dac = NULL;
573 
574 	if (rdev->bios == NULL)
575 		return NULL;
576 
577 	/* check CRT table */
578 	dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
579 	if (dac_info) {
580 		p_dac =
581 		    kzalloc(sizeof(struct radeon_encoder_primary_dac),
582 			    GFP_KERNEL);
583 
584 		if (!p_dac)
585 			return NULL;
586 
587 		rev = RBIOS8(dac_info) & 0x3;
588 		if (rev < 2) {
589 			bg = RBIOS8(dac_info + 0x2) & 0xf;
590 			dac = (RBIOS8(dac_info + 0x2) >> 4) & 0xf;
591 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
592 		} else {
593 			bg = RBIOS8(dac_info + 0x2) & 0xf;
594 			dac = RBIOS8(dac_info + 0x3) & 0xf;
595 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
596 		}
597 
598 	}
599 
600 	return p_dac;
601 }
602 
603 static enum radeon_tv_std
604 radeon_combios_get_tv_info(struct radeon_encoder *encoder)
605 {
606 	struct drm_device *dev = encoder->base.dev;
607 	struct radeon_device *rdev = dev->dev_private;
608 	uint16_t tv_info;
609 	enum radeon_tv_std tv_std = TV_STD_NTSC;
610 
611 	tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
612 	if (tv_info) {
613 		if (RBIOS8(tv_info + 6) == 'T') {
614 			switch (RBIOS8(tv_info + 7) & 0xf) {
615 			case 1:
616 				tv_std = TV_STD_NTSC;
617 				DRM_INFO("Default TV standard: NTSC\n");
618 				break;
619 			case 2:
620 				tv_std = TV_STD_PAL;
621 				DRM_INFO("Default TV standard: PAL\n");
622 				break;
623 			case 3:
624 				tv_std = TV_STD_PAL_M;
625 				DRM_INFO("Default TV standard: PAL-M\n");
626 				break;
627 			case 4:
628 				tv_std = TV_STD_PAL_60;
629 				DRM_INFO("Default TV standard: PAL-60\n");
630 				break;
631 			case 5:
632 				tv_std = TV_STD_NTSC_J;
633 				DRM_INFO("Default TV standard: NTSC-J\n");
634 				break;
635 			case 6:
636 				tv_std = TV_STD_SCART_PAL;
637 				DRM_INFO("Default TV standard: SCART-PAL\n");
638 				break;
639 			default:
640 				tv_std = TV_STD_NTSC;
641 				DRM_INFO
642 				    ("Unknown TV standard; defaulting to NTSC\n");
643 				break;
644 			}
645 
646 			switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
647 			case 0:
648 				DRM_INFO("29.498928713 MHz TV ref clk\n");
649 				break;
650 			case 1:
651 				DRM_INFO("28.636360000 MHz TV ref clk\n");
652 				break;
653 			case 2:
654 				DRM_INFO("14.318180000 MHz TV ref clk\n");
655 				break;
656 			case 3:
657 				DRM_INFO("27.000000000 MHz TV ref clk\n");
658 				break;
659 			default:
660 				break;
661 			}
662 		}
663 	}
664 	return tv_std;
665 }
666 
667 static const uint32_t default_tvdac_adj[CHIP_LAST] = {
668 	0x00000000,		/* r100  */
669 	0x00280000,		/* rv100 */
670 	0x00000000,		/* rs100 */
671 	0x00880000,		/* rv200 */
672 	0x00000000,		/* rs200 */
673 	0x00000000,		/* r200  */
674 	0x00770000,		/* rv250 */
675 	0x00290000,		/* rs300 */
676 	0x00560000,		/* rv280 */
677 	0x00780000,		/* r300  */
678 	0x00770000,		/* r350  */
679 	0x00780000,		/* rv350 */
680 	0x00780000,		/* rv380 */
681 	0x01080000,		/* r420  */
682 	0x01080000,		/* r423  */
683 	0x01080000,		/* rv410 */
684 	0x00780000,		/* rs400 */
685 	0x00780000,		/* rs480 */
686 };
687 
688 static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
689 						     struct radeon_encoder_tv_dac *tv_dac)
690 {
691 	tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
692 	if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
693 		tv_dac->ps2_tvdac_adj = 0x00880000;
694 	tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
695 	tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
696 	return;
697 }
698 
699 struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
700 							     radeon_encoder
701 							     *encoder)
702 {
703 	struct drm_device *dev = encoder->base.dev;
704 	struct radeon_device *rdev = dev->dev_private;
705 	uint16_t dac_info;
706 	uint8_t rev, bg, dac;
707 	struct radeon_encoder_tv_dac *tv_dac = NULL;
708 	int found = 0;
709 
710 	tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
711 	if (!tv_dac)
712 		return NULL;
713 
714 	if (rdev->bios == NULL)
715 		goto out;
716 
717 	/* first check TV table */
718 	dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
719 	if (dac_info) {
720 		rev = RBIOS8(dac_info + 0x3);
721 		if (rev > 4) {
722 			bg = RBIOS8(dac_info + 0xc) & 0xf;
723 			dac = RBIOS8(dac_info + 0xd) & 0xf;
724 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
725 
726 			bg = RBIOS8(dac_info + 0xe) & 0xf;
727 			dac = RBIOS8(dac_info + 0xf) & 0xf;
728 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
729 
730 			bg = RBIOS8(dac_info + 0x10) & 0xf;
731 			dac = RBIOS8(dac_info + 0x11) & 0xf;
732 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
733 			found = 1;
734 		} else if (rev > 1) {
735 			bg = RBIOS8(dac_info + 0xc) & 0xf;
736 			dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
737 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
738 
739 			bg = RBIOS8(dac_info + 0xd) & 0xf;
740 			dac = (RBIOS8(dac_info + 0xd) >> 4) & 0xf;
741 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
742 
743 			bg = RBIOS8(dac_info + 0xe) & 0xf;
744 			dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
745 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
746 			found = 1;
747 		}
748 		tv_dac->tv_std = radeon_combios_get_tv_info(encoder);
749 	}
750 	if (!found) {
751 		/* then check CRT table */
752 		dac_info =
753 		    combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
754 		if (dac_info) {
755 			rev = RBIOS8(dac_info) & 0x3;
756 			if (rev < 2) {
757 				bg = RBIOS8(dac_info + 0x3) & 0xf;
758 				dac = (RBIOS8(dac_info + 0x3) >> 4) & 0xf;
759 				tv_dac->ps2_tvdac_adj =
760 				    (bg << 16) | (dac << 20);
761 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
762 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
763 				found = 1;
764 			} else {
765 				bg = RBIOS8(dac_info + 0x4) & 0xf;
766 				dac = RBIOS8(dac_info + 0x5) & 0xf;
767 				tv_dac->ps2_tvdac_adj =
768 				    (bg << 16) | (dac << 20);
769 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
770 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
771 				found = 1;
772 			}
773 		} else {
774 			DRM_INFO("No TV DAC info found in BIOS\n");
775 		}
776 	}
777 
778 out:
779 	if (!found) /* fallback to defaults */
780 		radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
781 
782 	return tv_dac;
783 }
784 
785 static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
786 									 radeon_device
787 									 *rdev)
788 {
789 	struct radeon_encoder_lvds *lvds = NULL;
790 	uint32_t fp_vert_stretch, fp_horz_stretch;
791 	uint32_t ppll_div_sel, ppll_val;
792 	uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
793 
794 	lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
795 
796 	if (!lvds)
797 		return NULL;
798 
799 	fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH);
800 	fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH);
801 
802 	/* These should be fail-safe defaults, fingers crossed */
803 	lvds->panel_pwr_delay = 200;
804 	lvds->panel_vcc_delay = 2000;
805 
806 	lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
807 	lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf;
808 	lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf;
809 
810 	if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
811 		lvds->native_mode.panel_yres =
812 		    ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
813 		     RADEON_VERT_PANEL_SHIFT) + 1;
814 	else
815 		lvds->native_mode.panel_yres =
816 		    (RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;
817 
818 	if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
819 		lvds->native_mode.panel_xres =
820 		    (((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
821 		      RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
822 	else
823 		lvds->native_mode.panel_xres =
824 		    ((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;
825 
826 	if ((lvds->native_mode.panel_xres < 640) ||
827 	    (lvds->native_mode.panel_yres < 480)) {
828 		lvds->native_mode.panel_xres = 640;
829 		lvds->native_mode.panel_yres = 480;
830 	}
831 
832 	ppll_div_sel = RREG8(RADEON_CLOCK_CNTL_INDEX + 1) & 0x3;
833 	ppll_val = RREG32_PLL(RADEON_PPLL_DIV_0 + ppll_div_sel);
834 	if ((ppll_val & 0x000707ff) == 0x1bb)
835 		lvds->use_bios_dividers = false;
836 	else {
837 		lvds->panel_ref_divider =
838 		    RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
839 		lvds->panel_post_divider = (ppll_val >> 16) & 0x7;
840 		lvds->panel_fb_divider = ppll_val & 0x7ff;
841 
842 		if ((lvds->panel_ref_divider != 0) &&
843 		    (lvds->panel_fb_divider > 3))
844 			lvds->use_bios_dividers = true;
845 	}
846 	lvds->panel_vcc_delay = 200;
847 
848 	DRM_INFO("Panel info derived from registers\n");
849 	DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.panel_xres,
850 		 lvds->native_mode.panel_yres);
851 
852 	return lvds;
853 }
854 
855 struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
856 							 *encoder)
857 {
858 	struct drm_device *dev = encoder->base.dev;
859 	struct radeon_device *rdev = dev->dev_private;
860 	uint16_t lcd_info;
861 	uint32_t panel_setup;
862 	char stmp[30];
863 	int tmp, i;
864 	struct radeon_encoder_lvds *lvds = NULL;
865 
866 	if (rdev->bios == NULL) {
867 		lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
868 		goto out;
869 	}
870 
871 	lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
872 
873 	if (lcd_info) {
874 		lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
875 
876 		if (!lvds)
877 			return NULL;
878 
879 		for (i = 0; i < 24; i++)
880 			stmp[i] = RBIOS8(lcd_info + i + 1);
881 		stmp[24] = 0;
882 
883 		DRM_INFO("Panel ID String: %s\n", stmp);
884 
885 		lvds->native_mode.panel_xres = RBIOS16(lcd_info + 0x19);
886 		lvds->native_mode.panel_yres = RBIOS16(lcd_info + 0x1b);
887 
888 		DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.panel_xres,
889 			 lvds->native_mode.panel_yres);
890 
891 		lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
892 		if (lvds->panel_vcc_delay > 2000 || lvds->panel_vcc_delay < 0)
893 			lvds->panel_vcc_delay = 2000;
894 
895 		lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24);
896 		lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf;
897 		lvds->panel_blon_delay = (RBIOS16(lcd_info + 0x38) >> 4) & 0xf;
898 
899 		lvds->panel_ref_divider = RBIOS16(lcd_info + 0x2e);
900 		lvds->panel_post_divider = RBIOS8(lcd_info + 0x30);
901 		lvds->panel_fb_divider = RBIOS16(lcd_info + 0x31);
902 		if ((lvds->panel_ref_divider != 0) &&
903 		    (lvds->panel_fb_divider > 3))
904 			lvds->use_bios_dividers = true;
905 
906 		panel_setup = RBIOS32(lcd_info + 0x39);
907 		lvds->lvds_gen_cntl = 0xff00;
908 		if (panel_setup & 0x1)
909 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
910 
911 		if ((panel_setup >> 4) & 0x1)
912 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
913 
914 		switch ((panel_setup >> 8) & 0x7) {
915 		case 0:
916 			lvds->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
917 			break;
918 		case 1:
919 			lvds->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
920 			break;
921 		case 2:
922 			lvds->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
923 			break;
924 		default:
925 			break;
926 		}
927 
928 		if ((panel_setup >> 16) & 0x1)
929 			lvds->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
930 
931 		if ((panel_setup >> 17) & 0x1)
932 			lvds->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
933 
934 		if ((panel_setup >> 18) & 0x1)
935 			lvds->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
936 
937 		if ((panel_setup >> 23) & 0x1)
938 			lvds->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
939 
940 		lvds->lvds_gen_cntl |= (panel_setup & 0xf0000000);
941 
942 		for (i = 0; i < 32; i++) {
943 			tmp = RBIOS16(lcd_info + 64 + i * 2);
944 			if (tmp == 0)
945 				break;
946 
947 			if ((RBIOS16(tmp) == lvds->native_mode.panel_xres) &&
948 			    (RBIOS16(tmp + 2) ==
949 			     lvds->native_mode.panel_yres)) {
950 				lvds->native_mode.hblank =
951 				    (RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8;
952 				lvds->native_mode.hoverplus =
953 				    (RBIOS16(tmp + 21) - RBIOS16(tmp + 19) -
954 				     1) * 8;
955 				lvds->native_mode.hsync_width =
956 				    RBIOS8(tmp + 23) * 8;
957 
958 				lvds->native_mode.vblank = (RBIOS16(tmp + 24) -
959 							    RBIOS16(tmp + 26));
960 				lvds->native_mode.voverplus =
961 				    ((RBIOS16(tmp + 28) & 0x7ff) -
962 				     RBIOS16(tmp + 26));
963 				lvds->native_mode.vsync_width =
964 				    ((RBIOS16(tmp + 28) & 0xf800) >> 11);
965 				lvds->native_mode.dotclock =
966 				    RBIOS16(tmp + 9) * 10;
967 				lvds->native_mode.flags = 0;
968 			}
969 		}
970 	} else {
971 		DRM_INFO("No panel info found in BIOS\n");
972 		lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
973 	}
974 out:
975 	if (lvds)
976 		encoder->native_mode = lvds->native_mode;
977 	return lvds;
978 }
979 
980 static const struct radeon_tmds_pll default_tmds_pll[CHIP_LAST][4] = {
981 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R100  */
982 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV100 */
983 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS100 */
984 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV200 */
985 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RS200 */
986 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R200  */
987 	{{15500, 0x81b}, {0xffffffff, 0x83f}, {0, 0}, {0, 0}},	/* CHIP_RV250 */
988 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS300 */
989 	{{13000, 0x400f4}, {15000, 0x400f7}, {0xffffffff, 0x40111}, {0, 0}},	/* CHIP_RV280 */
990 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R300  */
991 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R350  */
992 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV350 */
993 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV380 */
994 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R420  */
995 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R423  */
996 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RV410 */
997 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RS400 */
998 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RS480 */
999 };
1000 
1001 bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
1002 					    struct radeon_encoder_int_tmds *tmds)
1003 {
1004 	struct drm_device *dev = encoder->base.dev;
1005 	struct radeon_device *rdev = dev->dev_private;
1006 	int i;
1007 
1008 	for (i = 0; i < 4; i++) {
1009 		tmds->tmds_pll[i].value =
1010 			default_tmds_pll[rdev->family][i].value;
1011 		tmds->tmds_pll[i].freq = default_tmds_pll[rdev->family][i].freq;
1012 	}
1013 
1014 	return true;
1015 }
1016 
1017 bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
1018 					      struct radeon_encoder_int_tmds *tmds)
1019 {
1020 	struct drm_device *dev = encoder->base.dev;
1021 	struct radeon_device *rdev = dev->dev_private;
1022 	uint16_t tmds_info;
1023 	int i, n;
1024 	uint8_t ver;
1025 
1026 	if (rdev->bios == NULL)
1027 		return false;
1028 
1029 	tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1030 
1031 	if (tmds_info) {
1032 
1033 		ver = RBIOS8(tmds_info);
1034 		DRM_INFO("DFP table revision: %d\n", ver);
1035 		if (ver == 3) {
1036 			n = RBIOS8(tmds_info + 5) + 1;
1037 			if (n > 4)
1038 				n = 4;
1039 			for (i = 0; i < n; i++) {
1040 				tmds->tmds_pll[i].value =
1041 				    RBIOS32(tmds_info + i * 10 + 0x08);
1042 				tmds->tmds_pll[i].freq =
1043 				    RBIOS16(tmds_info + i * 10 + 0x10);
1044 				DRM_DEBUG("TMDS PLL From COMBIOS %u %x\n",
1045 					  tmds->tmds_pll[i].freq,
1046 					  tmds->tmds_pll[i].value);
1047 			}
1048 		} else if (ver == 4) {
1049 			int stride = 0;
1050 			n = RBIOS8(tmds_info + 5) + 1;
1051 			if (n > 4)
1052 				n = 4;
1053 			for (i = 0; i < n; i++) {
1054 				tmds->tmds_pll[i].value =
1055 				    RBIOS32(tmds_info + stride + 0x08);
1056 				tmds->tmds_pll[i].freq =
1057 				    RBIOS16(tmds_info + stride + 0x10);
1058 				if (i == 0)
1059 					stride += 10;
1060 				else
1061 					stride += 6;
1062 				DRM_DEBUG("TMDS PLL From COMBIOS %u %x\n",
1063 					  tmds->tmds_pll[i].freq,
1064 					  tmds->tmds_pll[i].value);
1065 			}
1066 		}
1067 	} else
1068 		DRM_INFO("No TMDS info found in BIOS\n");
1069 	return true;
1070 }
1071 
1072 struct radeon_encoder_int_tmds *radeon_combios_get_tmds_info(struct radeon_encoder *encoder)
1073 {
1074 	struct radeon_encoder_int_tmds *tmds = NULL;
1075 	bool ret;
1076 
1077 	tmds = kzalloc(sizeof(struct radeon_encoder_int_tmds), GFP_KERNEL);
1078 
1079 	if (!tmds)
1080 		return NULL;
1081 
1082 	ret = radeon_legacy_get_tmds_info_from_combios(encoder, tmds);
1083 	if (ret == false)
1084 		radeon_legacy_get_tmds_info_from_table(encoder, tmds);
1085 
1086 	return tmds;
1087 }
1088 
1089 void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder)
1090 {
1091 	struct drm_device *dev = encoder->base.dev;
1092 	struct radeon_device *rdev = dev->dev_private;
1093 	uint16_t ext_tmds_info;
1094 	uint8_t ver;
1095 
1096 	if (rdev->bios == NULL)
1097 		return;
1098 
1099 	ext_tmds_info =
1100 	    combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
1101 	if (ext_tmds_info) {
1102 		ver = RBIOS8(ext_tmds_info);
1103 		DRM_INFO("External TMDS Table revision: %d\n", ver);
1104 		// TODO
1105 	}
1106 }
1107 
1108 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
1109 {
1110 	struct radeon_device *rdev = dev->dev_private;
1111 	struct radeon_i2c_bus_rec ddc_i2c;
1112 
1113 	rdev->mode_info.connector_table = radeon_connector_table;
1114 	if (rdev->mode_info.connector_table == CT_NONE) {
1115 #ifdef CONFIG_PPC_PMAC
1116 		if (machine_is_compatible("PowerBook3,3")) {
1117 			/* powerbook with VGA */
1118 			rdev->mode_info.connector_table = CT_POWERBOOK_VGA;
1119 		} else if (machine_is_compatible("PowerBook3,4") ||
1120 			   machine_is_compatible("PowerBook3,5")) {
1121 			/* powerbook with internal tmds */
1122 			rdev->mode_info.connector_table = CT_POWERBOOK_INTERNAL;
1123 		} else if (machine_is_compatible("PowerBook5,1") ||
1124 			   machine_is_compatible("PowerBook5,2") ||
1125 			   machine_is_compatible("PowerBook5,3") ||
1126 			   machine_is_compatible("PowerBook5,4") ||
1127 			   machine_is_compatible("PowerBook5,5")) {
1128 			/* powerbook with external single link tmds (sil164) */
1129 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1130 		} else if (machine_is_compatible("PowerBook5,6")) {
1131 			/* powerbook with external dual or single link tmds */
1132 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1133 		} else if (machine_is_compatible("PowerBook5,7") ||
1134 			   machine_is_compatible("PowerBook5,8") ||
1135 			   machine_is_compatible("PowerBook5,9")) {
1136 			/* PowerBook6,2 ? */
1137 			/* powerbook with external dual link tmds (sil1178?) */
1138 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1139 		} else if (machine_is_compatible("PowerBook4,1") ||
1140 			   machine_is_compatible("PowerBook4,2") ||
1141 			   machine_is_compatible("PowerBook4,3") ||
1142 			   machine_is_compatible("PowerBook6,3") ||
1143 			   machine_is_compatible("PowerBook6,5") ||
1144 			   machine_is_compatible("PowerBook6,7")) {
1145 			/* ibook */
1146 			rdev->mode_info.connector_table = CT_IBOOK;
1147 		} else if (machine_is_compatible("PowerMac4,4")) {
1148 			/* emac */
1149 			rdev->mode_info.connector_table = CT_EMAC;
1150 		} else if (machine_is_compatible("PowerMac10,1")) {
1151 			/* mini with internal tmds */
1152 			rdev->mode_info.connector_table = CT_MINI_INTERNAL;
1153 		} else if (machine_is_compatible("PowerMac10,2")) {
1154 			/* mini with external tmds */
1155 			rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
1156 		} else if (machine_is_compatible("PowerMac12,1")) {
1157 			/* PowerMac8,1 ? */
1158 			/* imac g5 isight */
1159 			rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
1160 		} else
1161 #endif /* CONFIG_PPC_PMAC */
1162 			rdev->mode_info.connector_table = CT_GENERIC;
1163 	}
1164 
1165 	switch (rdev->mode_info.connector_table) {
1166 	case CT_GENERIC:
1167 		DRM_INFO("Connector Table: %d (generic)\n",
1168 			 rdev->mode_info.connector_table);
1169 		/* these are the most common settings */
1170 		if (rdev->flags & RADEON_SINGLE_CRTC) {
1171 			/* VGA - primary dac */
1172 			ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1173 			radeon_add_legacy_encoder(dev,
1174 						  radeon_get_encoder_id(dev,
1175 									ATOM_DEVICE_CRT1_SUPPORT,
1176 									1),
1177 						  ATOM_DEVICE_CRT1_SUPPORT);
1178 			radeon_add_legacy_connector(dev, 0,
1179 						    ATOM_DEVICE_CRT1_SUPPORT,
1180 						    DRM_MODE_CONNECTOR_VGA,
1181 						    &ddc_i2c);
1182 		} else if (rdev->flags & RADEON_IS_MOBILITY) {
1183 			/* LVDS */
1184 			ddc_i2c = combios_setup_i2c_bus(RADEON_LCD_GPIO_MASK);
1185 			radeon_add_legacy_encoder(dev,
1186 						  radeon_get_encoder_id(dev,
1187 									ATOM_DEVICE_LCD1_SUPPORT,
1188 									0),
1189 						  ATOM_DEVICE_LCD1_SUPPORT);
1190 			radeon_add_legacy_connector(dev, 0,
1191 						    ATOM_DEVICE_LCD1_SUPPORT,
1192 						    DRM_MODE_CONNECTOR_LVDS,
1193 						    &ddc_i2c);
1194 
1195 			/* VGA - primary dac */
1196 			ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1197 			radeon_add_legacy_encoder(dev,
1198 						  radeon_get_encoder_id(dev,
1199 									ATOM_DEVICE_CRT1_SUPPORT,
1200 									1),
1201 						  ATOM_DEVICE_CRT1_SUPPORT);
1202 			radeon_add_legacy_connector(dev, 1,
1203 						    ATOM_DEVICE_CRT1_SUPPORT,
1204 						    DRM_MODE_CONNECTOR_VGA,
1205 						    &ddc_i2c);
1206 		} else {
1207 			/* DVI-I - tv dac, int tmds */
1208 			ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1209 			radeon_add_legacy_encoder(dev,
1210 						  radeon_get_encoder_id(dev,
1211 									ATOM_DEVICE_DFP1_SUPPORT,
1212 									0),
1213 						  ATOM_DEVICE_DFP1_SUPPORT);
1214 			radeon_add_legacy_encoder(dev,
1215 						  radeon_get_encoder_id(dev,
1216 									ATOM_DEVICE_CRT2_SUPPORT,
1217 									2),
1218 						  ATOM_DEVICE_CRT2_SUPPORT);
1219 			radeon_add_legacy_connector(dev, 0,
1220 						    ATOM_DEVICE_DFP1_SUPPORT |
1221 						    ATOM_DEVICE_CRT2_SUPPORT,
1222 						    DRM_MODE_CONNECTOR_DVII,
1223 						    &ddc_i2c);
1224 
1225 			/* VGA - primary dac */
1226 			ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1227 			radeon_add_legacy_encoder(dev,
1228 						  radeon_get_encoder_id(dev,
1229 									ATOM_DEVICE_CRT1_SUPPORT,
1230 									1),
1231 						  ATOM_DEVICE_CRT1_SUPPORT);
1232 			radeon_add_legacy_connector(dev, 1,
1233 						    ATOM_DEVICE_CRT1_SUPPORT,
1234 						    DRM_MODE_CONNECTOR_VGA,
1235 						    &ddc_i2c);
1236 		}
1237 
1238 		if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1239 			/* TV - tv dac */
1240 			radeon_add_legacy_encoder(dev,
1241 						  radeon_get_encoder_id(dev,
1242 									ATOM_DEVICE_TV1_SUPPORT,
1243 									2),
1244 						  ATOM_DEVICE_TV1_SUPPORT);
1245 			radeon_add_legacy_connector(dev, 2,
1246 						    ATOM_DEVICE_TV1_SUPPORT,
1247 						    DRM_MODE_CONNECTOR_SVIDEO,
1248 						    &ddc_i2c);
1249 		}
1250 		break;
1251 	case CT_IBOOK:
1252 		DRM_INFO("Connector Table: %d (ibook)\n",
1253 			 rdev->mode_info.connector_table);
1254 		/* LVDS */
1255 		ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1256 		radeon_add_legacy_encoder(dev,
1257 					  radeon_get_encoder_id(dev,
1258 								ATOM_DEVICE_LCD1_SUPPORT,
1259 								0),
1260 					  ATOM_DEVICE_LCD1_SUPPORT);
1261 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1262 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c);
1263 		/* VGA - TV DAC */
1264 		ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1265 		radeon_add_legacy_encoder(dev,
1266 					  radeon_get_encoder_id(dev,
1267 								ATOM_DEVICE_CRT2_SUPPORT,
1268 								2),
1269 					  ATOM_DEVICE_CRT2_SUPPORT);
1270 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1271 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c);
1272 		/* TV - TV DAC */
1273 		radeon_add_legacy_encoder(dev,
1274 					  radeon_get_encoder_id(dev,
1275 								ATOM_DEVICE_TV1_SUPPORT,
1276 								2),
1277 					  ATOM_DEVICE_TV1_SUPPORT);
1278 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1279 					    DRM_MODE_CONNECTOR_SVIDEO,
1280 					    &ddc_i2c);
1281 		break;
1282 	case CT_POWERBOOK_EXTERNAL:
1283 		DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
1284 			 rdev->mode_info.connector_table);
1285 		/* LVDS */
1286 		ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1287 		radeon_add_legacy_encoder(dev,
1288 					  radeon_get_encoder_id(dev,
1289 								ATOM_DEVICE_LCD1_SUPPORT,
1290 								0),
1291 					  ATOM_DEVICE_LCD1_SUPPORT);
1292 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1293 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c);
1294 		/* DVI-I - primary dac, ext tmds */
1295 		ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1296 		radeon_add_legacy_encoder(dev,
1297 					  radeon_get_encoder_id(dev,
1298 								ATOM_DEVICE_DFP2_SUPPORT,
1299 								0),
1300 					  ATOM_DEVICE_DFP2_SUPPORT);
1301 		radeon_add_legacy_encoder(dev,
1302 					  radeon_get_encoder_id(dev,
1303 								ATOM_DEVICE_CRT1_SUPPORT,
1304 								1),
1305 					  ATOM_DEVICE_CRT1_SUPPORT);
1306 		radeon_add_legacy_connector(dev, 1,
1307 					    ATOM_DEVICE_DFP2_SUPPORT |
1308 					    ATOM_DEVICE_CRT1_SUPPORT,
1309 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c);
1310 		/* TV - TV DAC */
1311 		radeon_add_legacy_encoder(dev,
1312 					  radeon_get_encoder_id(dev,
1313 								ATOM_DEVICE_TV1_SUPPORT,
1314 								2),
1315 					  ATOM_DEVICE_TV1_SUPPORT);
1316 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1317 					    DRM_MODE_CONNECTOR_SVIDEO,
1318 					    &ddc_i2c);
1319 		break;
1320 	case CT_POWERBOOK_INTERNAL:
1321 		DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
1322 			 rdev->mode_info.connector_table);
1323 		/* LVDS */
1324 		ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1325 		radeon_add_legacy_encoder(dev,
1326 					  radeon_get_encoder_id(dev,
1327 								ATOM_DEVICE_LCD1_SUPPORT,
1328 								0),
1329 					  ATOM_DEVICE_LCD1_SUPPORT);
1330 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1331 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c);
1332 		/* DVI-I - primary dac, int tmds */
1333 		ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1334 		radeon_add_legacy_encoder(dev,
1335 					  radeon_get_encoder_id(dev,
1336 								ATOM_DEVICE_DFP1_SUPPORT,
1337 								0),
1338 					  ATOM_DEVICE_DFP1_SUPPORT);
1339 		radeon_add_legacy_encoder(dev,
1340 					  radeon_get_encoder_id(dev,
1341 								ATOM_DEVICE_CRT1_SUPPORT,
1342 								1),
1343 					  ATOM_DEVICE_CRT1_SUPPORT);
1344 		radeon_add_legacy_connector(dev, 1,
1345 					    ATOM_DEVICE_DFP1_SUPPORT |
1346 					    ATOM_DEVICE_CRT1_SUPPORT,
1347 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c);
1348 		/* TV - TV DAC */
1349 		radeon_add_legacy_encoder(dev,
1350 					  radeon_get_encoder_id(dev,
1351 								ATOM_DEVICE_TV1_SUPPORT,
1352 								2),
1353 					  ATOM_DEVICE_TV1_SUPPORT);
1354 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1355 					    DRM_MODE_CONNECTOR_SVIDEO,
1356 					    &ddc_i2c);
1357 		break;
1358 	case CT_POWERBOOK_VGA:
1359 		DRM_INFO("Connector Table: %d (powerbook vga)\n",
1360 			 rdev->mode_info.connector_table);
1361 		/* LVDS */
1362 		ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1363 		radeon_add_legacy_encoder(dev,
1364 					  radeon_get_encoder_id(dev,
1365 								ATOM_DEVICE_LCD1_SUPPORT,
1366 								0),
1367 					  ATOM_DEVICE_LCD1_SUPPORT);
1368 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1369 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c);
1370 		/* VGA - primary dac */
1371 		ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1372 		radeon_add_legacy_encoder(dev,
1373 					  radeon_get_encoder_id(dev,
1374 								ATOM_DEVICE_CRT1_SUPPORT,
1375 								1),
1376 					  ATOM_DEVICE_CRT1_SUPPORT);
1377 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
1378 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c);
1379 		/* TV - TV DAC */
1380 		radeon_add_legacy_encoder(dev,
1381 					  radeon_get_encoder_id(dev,
1382 								ATOM_DEVICE_TV1_SUPPORT,
1383 								2),
1384 					  ATOM_DEVICE_TV1_SUPPORT);
1385 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1386 					    DRM_MODE_CONNECTOR_SVIDEO,
1387 					    &ddc_i2c);
1388 		break;
1389 	case CT_MINI_EXTERNAL:
1390 		DRM_INFO("Connector Table: %d (mini external tmds)\n",
1391 			 rdev->mode_info.connector_table);
1392 		/* DVI-I - tv dac, ext tmds */
1393 		ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_CRT2_DDC);
1394 		radeon_add_legacy_encoder(dev,
1395 					  radeon_get_encoder_id(dev,
1396 								ATOM_DEVICE_DFP2_SUPPORT,
1397 								0),
1398 					  ATOM_DEVICE_DFP2_SUPPORT);
1399 		radeon_add_legacy_encoder(dev,
1400 					  radeon_get_encoder_id(dev,
1401 								ATOM_DEVICE_CRT2_SUPPORT,
1402 								2),
1403 					  ATOM_DEVICE_CRT2_SUPPORT);
1404 		radeon_add_legacy_connector(dev, 0,
1405 					    ATOM_DEVICE_DFP2_SUPPORT |
1406 					    ATOM_DEVICE_CRT2_SUPPORT,
1407 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c);
1408 		/* TV - TV DAC */
1409 		radeon_add_legacy_encoder(dev,
1410 					  radeon_get_encoder_id(dev,
1411 								ATOM_DEVICE_TV1_SUPPORT,
1412 								2),
1413 					  ATOM_DEVICE_TV1_SUPPORT);
1414 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1415 					    DRM_MODE_CONNECTOR_SVIDEO,
1416 					    &ddc_i2c);
1417 		break;
1418 	case CT_MINI_INTERNAL:
1419 		DRM_INFO("Connector Table: %d (mini internal tmds)\n",
1420 			 rdev->mode_info.connector_table);
1421 		/* DVI-I - tv dac, int tmds */
1422 		ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_CRT2_DDC);
1423 		radeon_add_legacy_encoder(dev,
1424 					  radeon_get_encoder_id(dev,
1425 								ATOM_DEVICE_DFP1_SUPPORT,
1426 								0),
1427 					  ATOM_DEVICE_DFP1_SUPPORT);
1428 		radeon_add_legacy_encoder(dev,
1429 					  radeon_get_encoder_id(dev,
1430 								ATOM_DEVICE_CRT2_SUPPORT,
1431 								2),
1432 					  ATOM_DEVICE_CRT2_SUPPORT);
1433 		radeon_add_legacy_connector(dev, 0,
1434 					    ATOM_DEVICE_DFP1_SUPPORT |
1435 					    ATOM_DEVICE_CRT2_SUPPORT,
1436 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c);
1437 		/* TV - TV DAC */
1438 		radeon_add_legacy_encoder(dev,
1439 					  radeon_get_encoder_id(dev,
1440 								ATOM_DEVICE_TV1_SUPPORT,
1441 								2),
1442 					  ATOM_DEVICE_TV1_SUPPORT);
1443 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1444 					    DRM_MODE_CONNECTOR_SVIDEO,
1445 					    &ddc_i2c);
1446 		break;
1447 	case CT_IMAC_G5_ISIGHT:
1448 		DRM_INFO("Connector Table: %d (imac g5 isight)\n",
1449 			 rdev->mode_info.connector_table);
1450 		/* DVI-D - int tmds */
1451 		ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_MONID);
1452 		radeon_add_legacy_encoder(dev,
1453 					  radeon_get_encoder_id(dev,
1454 								ATOM_DEVICE_DFP1_SUPPORT,
1455 								0),
1456 					  ATOM_DEVICE_DFP1_SUPPORT);
1457 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
1458 					    DRM_MODE_CONNECTOR_DVID, &ddc_i2c);
1459 		/* VGA - tv dac */
1460 		ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1461 		radeon_add_legacy_encoder(dev,
1462 					  radeon_get_encoder_id(dev,
1463 								ATOM_DEVICE_CRT2_SUPPORT,
1464 								2),
1465 					  ATOM_DEVICE_CRT2_SUPPORT);
1466 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1467 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c);
1468 		/* TV - TV DAC */
1469 		radeon_add_legacy_encoder(dev,
1470 					  radeon_get_encoder_id(dev,
1471 								ATOM_DEVICE_TV1_SUPPORT,
1472 								2),
1473 					  ATOM_DEVICE_TV1_SUPPORT);
1474 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1475 					    DRM_MODE_CONNECTOR_SVIDEO,
1476 					    &ddc_i2c);
1477 		break;
1478 	case CT_EMAC:
1479 		DRM_INFO("Connector Table: %d (emac)\n",
1480 			 rdev->mode_info.connector_table);
1481 		/* VGA - primary dac */
1482 		ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1483 		radeon_add_legacy_encoder(dev,
1484 					  radeon_get_encoder_id(dev,
1485 								ATOM_DEVICE_CRT1_SUPPORT,
1486 								1),
1487 					  ATOM_DEVICE_CRT1_SUPPORT);
1488 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1489 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c);
1490 		/* VGA - tv dac */
1491 		ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_CRT2_DDC);
1492 		radeon_add_legacy_encoder(dev,
1493 					  radeon_get_encoder_id(dev,
1494 								ATOM_DEVICE_CRT2_SUPPORT,
1495 								2),
1496 					  ATOM_DEVICE_CRT2_SUPPORT);
1497 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1498 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c);
1499 		/* TV - TV DAC */
1500 		radeon_add_legacy_encoder(dev,
1501 					  radeon_get_encoder_id(dev,
1502 								ATOM_DEVICE_TV1_SUPPORT,
1503 								2),
1504 					  ATOM_DEVICE_TV1_SUPPORT);
1505 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1506 					    DRM_MODE_CONNECTOR_SVIDEO,
1507 					    &ddc_i2c);
1508 		break;
1509 	default:
1510 		DRM_INFO("Connector table: %d (invalid)\n",
1511 			 rdev->mode_info.connector_table);
1512 		return false;
1513 	}
1514 
1515 	radeon_link_encoder_connector(dev);
1516 
1517 	return true;
1518 }
1519 
1520 static bool radeon_apply_legacy_quirks(struct drm_device *dev,
1521 				       int bios_index,
1522 				       enum radeon_combios_connector
1523 				       *legacy_connector,
1524 				       struct radeon_i2c_bus_rec *ddc_i2c)
1525 {
1526 	struct radeon_device *rdev = dev->dev_private;
1527 
1528 	/* XPRESS DDC quirks */
1529 	if ((rdev->family == CHIP_RS400 ||
1530 	     rdev->family == CHIP_RS480) &&
1531 	    ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
1532 		*ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_MONID);
1533 	else if ((rdev->family == CHIP_RS400 ||
1534 		  rdev->family == CHIP_RS480) &&
1535 		 ddc_i2c->mask_clk_reg == RADEON_GPIO_MONID) {
1536 		ddc_i2c->valid = true;
1537 		ddc_i2c->mask_clk_mask = (0x20 << 8);
1538 		ddc_i2c->mask_data_mask = 0x80;
1539 		ddc_i2c->a_clk_mask = (0x20 << 8);
1540 		ddc_i2c->a_data_mask = 0x80;
1541 		ddc_i2c->put_clk_mask = (0x20 << 8);
1542 		ddc_i2c->put_data_mask = 0x80;
1543 		ddc_i2c->get_clk_mask = (0x20 << 8);
1544 		ddc_i2c->get_data_mask = 0x80;
1545 		ddc_i2c->mask_clk_reg = RADEON_GPIOPAD_MASK;
1546 		ddc_i2c->mask_data_reg = RADEON_GPIOPAD_MASK;
1547 		ddc_i2c->a_clk_reg = RADEON_GPIOPAD_A;
1548 		ddc_i2c->a_data_reg = RADEON_GPIOPAD_A;
1549 		ddc_i2c->put_clk_reg = RADEON_GPIOPAD_EN;
1550 		ddc_i2c->put_data_reg = RADEON_GPIOPAD_EN;
1551 		ddc_i2c->get_clk_reg = RADEON_LCD_GPIO_Y_REG;
1552 		ddc_i2c->get_data_reg = RADEON_LCD_GPIO_Y_REG;
1553 	}
1554 
1555 	/* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
1556 	   one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
1557 	if (dev->pdev->device == 0x515e &&
1558 	    dev->pdev->subsystem_vendor == 0x1014) {
1559 		if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
1560 		    ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
1561 			return false;
1562 	}
1563 
1564 	/* Some RV100 cards with 2 VGA ports show up with DVI+VGA */
1565 	if (dev->pdev->device == 0x5159 &&
1566 	    dev->pdev->subsystem_vendor == 0x1002 &&
1567 	    dev->pdev->subsystem_device == 0x013a) {
1568 		if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
1569 			*legacy_connector = CONNECTOR_CRT_LEGACY;
1570 
1571 	}
1572 
1573 	/* X300 card with extra non-existent DVI port */
1574 	if (dev->pdev->device == 0x5B60 &&
1575 	    dev->pdev->subsystem_vendor == 0x17af &&
1576 	    dev->pdev->subsystem_device == 0x201e && bios_index == 2) {
1577 		if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
1578 			return false;
1579 	}
1580 
1581 	return true;
1582 }
1583 
1584 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
1585 {
1586 	struct radeon_device *rdev = dev->dev_private;
1587 	uint32_t conn_info, entry, devices;
1588 	uint16_t tmp;
1589 	enum radeon_combios_ddc ddc_type;
1590 	enum radeon_combios_connector connector;
1591 	int i = 0;
1592 	struct radeon_i2c_bus_rec ddc_i2c;
1593 
1594 	if (rdev->bios == NULL)
1595 		return false;
1596 
1597 	conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
1598 	if (conn_info) {
1599 		for (i = 0; i < 4; i++) {
1600 			entry = conn_info + 2 + i * 2;
1601 
1602 			if (!RBIOS16(entry))
1603 				break;
1604 
1605 			tmp = RBIOS16(entry);
1606 
1607 			connector = (tmp >> 12) & 0xf;
1608 
1609 			ddc_type = (tmp >> 8) & 0xf;
1610 			switch (ddc_type) {
1611 			case DDC_MONID:
1612 				ddc_i2c =
1613 				    combios_setup_i2c_bus(RADEON_GPIO_MONID);
1614 				break;
1615 			case DDC_DVI:
1616 				ddc_i2c =
1617 				    combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1618 				break;
1619 			case DDC_VGA:
1620 				ddc_i2c =
1621 				    combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1622 				break;
1623 			case DDC_CRT2:
1624 				ddc_i2c =
1625 				    combios_setup_i2c_bus(RADEON_GPIO_CRT2_DDC);
1626 				break;
1627 			default:
1628 				break;
1629 			}
1630 
1631 			radeon_apply_legacy_quirks(dev, i, &connector,
1632 						   &ddc_i2c);
1633 
1634 			switch (connector) {
1635 			case CONNECTOR_PROPRIETARY_LEGACY:
1636 				if ((tmp >> 4) & 0x1)
1637 					devices = ATOM_DEVICE_DFP2_SUPPORT;
1638 				else
1639 					devices = ATOM_DEVICE_DFP1_SUPPORT;
1640 				radeon_add_legacy_encoder(dev,
1641 							  radeon_get_encoder_id
1642 							  (dev, devices, 0),
1643 							  devices);
1644 				radeon_add_legacy_connector(dev, i, devices,
1645 							    legacy_connector_convert
1646 							    [connector],
1647 							    &ddc_i2c);
1648 				break;
1649 			case CONNECTOR_CRT_LEGACY:
1650 				if (tmp & 0x1) {
1651 					devices = ATOM_DEVICE_CRT2_SUPPORT;
1652 					radeon_add_legacy_encoder(dev,
1653 								  radeon_get_encoder_id
1654 								  (dev,
1655 								   ATOM_DEVICE_CRT2_SUPPORT,
1656 								   2),
1657 								  ATOM_DEVICE_CRT2_SUPPORT);
1658 				} else {
1659 					devices = ATOM_DEVICE_CRT1_SUPPORT;
1660 					radeon_add_legacy_encoder(dev,
1661 								  radeon_get_encoder_id
1662 								  (dev,
1663 								   ATOM_DEVICE_CRT1_SUPPORT,
1664 								   1),
1665 								  ATOM_DEVICE_CRT1_SUPPORT);
1666 				}
1667 				radeon_add_legacy_connector(dev,
1668 							    i,
1669 							    devices,
1670 							    legacy_connector_convert
1671 							    [connector],
1672 							    &ddc_i2c);
1673 				break;
1674 			case CONNECTOR_DVI_I_LEGACY:
1675 				devices = 0;
1676 				if (tmp & 0x1) {
1677 					devices |= ATOM_DEVICE_CRT2_SUPPORT;
1678 					radeon_add_legacy_encoder(dev,
1679 								  radeon_get_encoder_id
1680 								  (dev,
1681 								   ATOM_DEVICE_CRT2_SUPPORT,
1682 								   2),
1683 								  ATOM_DEVICE_CRT2_SUPPORT);
1684 				} else {
1685 					devices |= ATOM_DEVICE_CRT1_SUPPORT;
1686 					radeon_add_legacy_encoder(dev,
1687 								  radeon_get_encoder_id
1688 								  (dev,
1689 								   ATOM_DEVICE_CRT1_SUPPORT,
1690 								   1),
1691 								  ATOM_DEVICE_CRT1_SUPPORT);
1692 				}
1693 				if ((tmp >> 4) & 0x1) {
1694 					devices |= ATOM_DEVICE_DFP2_SUPPORT;
1695 					radeon_add_legacy_encoder(dev,
1696 								  radeon_get_encoder_id
1697 								  (dev,
1698 								   ATOM_DEVICE_DFP2_SUPPORT,
1699 								   0),
1700 								  ATOM_DEVICE_DFP2_SUPPORT);
1701 				} else {
1702 					devices |= ATOM_DEVICE_DFP1_SUPPORT;
1703 					radeon_add_legacy_encoder(dev,
1704 								  radeon_get_encoder_id
1705 								  (dev,
1706 								   ATOM_DEVICE_DFP1_SUPPORT,
1707 								   0),
1708 								  ATOM_DEVICE_DFP1_SUPPORT);
1709 				}
1710 				radeon_add_legacy_connector(dev,
1711 							    i,
1712 							    devices,
1713 							    legacy_connector_convert
1714 							    [connector],
1715 							    &ddc_i2c);
1716 				break;
1717 			case CONNECTOR_DVI_D_LEGACY:
1718 				if ((tmp >> 4) & 0x1)
1719 					devices = ATOM_DEVICE_DFP2_SUPPORT;
1720 				else
1721 					devices = ATOM_DEVICE_DFP1_SUPPORT;
1722 				radeon_add_legacy_encoder(dev,
1723 							  radeon_get_encoder_id
1724 							  (dev, devices, 0),
1725 							  devices);
1726 				radeon_add_legacy_connector(dev, i, devices,
1727 							    legacy_connector_convert
1728 							    [connector],
1729 							    &ddc_i2c);
1730 				break;
1731 			case CONNECTOR_CTV_LEGACY:
1732 			case CONNECTOR_STV_LEGACY:
1733 				radeon_add_legacy_encoder(dev,
1734 							  radeon_get_encoder_id
1735 							  (dev,
1736 							   ATOM_DEVICE_TV1_SUPPORT,
1737 							   2),
1738 							  ATOM_DEVICE_TV1_SUPPORT);
1739 				radeon_add_legacy_connector(dev, i,
1740 							    ATOM_DEVICE_TV1_SUPPORT,
1741 							    legacy_connector_convert
1742 							    [connector],
1743 							    &ddc_i2c);
1744 				break;
1745 			default:
1746 				DRM_ERROR("Unknown connector type: %d\n",
1747 					  connector);
1748 				continue;
1749 			}
1750 
1751 		}
1752 	} else {
1753 		uint16_t tmds_info =
1754 		    combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1755 		if (tmds_info) {
1756 			DRM_DEBUG("Found DFP table, assuming DVI connector\n");
1757 
1758 			radeon_add_legacy_encoder(dev,
1759 						  radeon_get_encoder_id(dev,
1760 									ATOM_DEVICE_CRT1_SUPPORT,
1761 									1),
1762 						  ATOM_DEVICE_CRT1_SUPPORT);
1763 			radeon_add_legacy_encoder(dev,
1764 						  radeon_get_encoder_id(dev,
1765 									ATOM_DEVICE_DFP1_SUPPORT,
1766 									0),
1767 						  ATOM_DEVICE_DFP1_SUPPORT);
1768 
1769 			ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1770 			radeon_add_legacy_connector(dev,
1771 						    0,
1772 						    ATOM_DEVICE_CRT1_SUPPORT |
1773 						    ATOM_DEVICE_DFP1_SUPPORT,
1774 						    DRM_MODE_CONNECTOR_DVII,
1775 						    &ddc_i2c);
1776 		} else {
1777 			DRM_DEBUG("No connector info found\n");
1778 			return false;
1779 		}
1780 	}
1781 
1782 	if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
1783 		uint16_t lcd_info =
1784 		    combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
1785 		if (lcd_info) {
1786 			uint16_t lcd_ddc_info =
1787 			    combios_get_table_offset(dev,
1788 						     COMBIOS_LCD_DDC_INFO_TABLE);
1789 
1790 			radeon_add_legacy_encoder(dev,
1791 						  radeon_get_encoder_id(dev,
1792 									ATOM_DEVICE_LCD1_SUPPORT,
1793 									0),
1794 						  ATOM_DEVICE_LCD1_SUPPORT);
1795 
1796 			if (lcd_ddc_info) {
1797 				ddc_type = RBIOS8(lcd_ddc_info + 2);
1798 				switch (ddc_type) {
1799 				case DDC_MONID:
1800 					ddc_i2c =
1801 					    combios_setup_i2c_bus
1802 					    (RADEON_GPIO_MONID);
1803 					break;
1804 				case DDC_DVI:
1805 					ddc_i2c =
1806 					    combios_setup_i2c_bus
1807 					    (RADEON_GPIO_DVI_DDC);
1808 					break;
1809 				case DDC_VGA:
1810 					ddc_i2c =
1811 					    combios_setup_i2c_bus
1812 					    (RADEON_GPIO_VGA_DDC);
1813 					break;
1814 				case DDC_CRT2:
1815 					ddc_i2c =
1816 					    combios_setup_i2c_bus
1817 					    (RADEON_GPIO_CRT2_DDC);
1818 					break;
1819 				case DDC_LCD:
1820 					ddc_i2c =
1821 					    combios_setup_i2c_bus
1822 					    (RADEON_LCD_GPIO_MASK);
1823 					ddc_i2c.mask_clk_mask =
1824 					    RBIOS32(lcd_ddc_info + 3);
1825 					ddc_i2c.mask_data_mask =
1826 					    RBIOS32(lcd_ddc_info + 7);
1827 					ddc_i2c.a_clk_mask =
1828 					    RBIOS32(lcd_ddc_info + 3);
1829 					ddc_i2c.a_data_mask =
1830 					    RBIOS32(lcd_ddc_info + 7);
1831 					ddc_i2c.put_clk_mask =
1832 					    RBIOS32(lcd_ddc_info + 3);
1833 					ddc_i2c.put_data_mask =
1834 					    RBIOS32(lcd_ddc_info + 7);
1835 					ddc_i2c.get_clk_mask =
1836 					    RBIOS32(lcd_ddc_info + 3);
1837 					ddc_i2c.get_data_mask =
1838 					    RBIOS32(lcd_ddc_info + 7);
1839 					break;
1840 				case DDC_GPIO:
1841 					ddc_i2c =
1842 					    combios_setup_i2c_bus
1843 					    (RADEON_MDGPIO_EN_REG);
1844 					ddc_i2c.mask_clk_mask =
1845 					    RBIOS32(lcd_ddc_info + 3);
1846 					ddc_i2c.mask_data_mask =
1847 					    RBIOS32(lcd_ddc_info + 7);
1848 					ddc_i2c.a_clk_mask =
1849 					    RBIOS32(lcd_ddc_info + 3);
1850 					ddc_i2c.a_data_mask =
1851 					    RBIOS32(lcd_ddc_info + 7);
1852 					ddc_i2c.put_clk_mask =
1853 					    RBIOS32(lcd_ddc_info + 3);
1854 					ddc_i2c.put_data_mask =
1855 					    RBIOS32(lcd_ddc_info + 7);
1856 					ddc_i2c.get_clk_mask =
1857 					    RBIOS32(lcd_ddc_info + 3);
1858 					ddc_i2c.get_data_mask =
1859 					    RBIOS32(lcd_ddc_info + 7);
1860 					break;
1861 				default:
1862 					ddc_i2c.valid = false;
1863 					break;
1864 				}
1865 				DRM_DEBUG("LCD DDC Info Table found!\n");
1866 			} else
1867 				ddc_i2c.valid = false;
1868 
1869 			radeon_add_legacy_connector(dev,
1870 						    5,
1871 						    ATOM_DEVICE_LCD1_SUPPORT,
1872 						    DRM_MODE_CONNECTOR_LVDS,
1873 						    &ddc_i2c);
1874 		}
1875 	}
1876 
1877 	/* check TV table */
1878 	if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1879 		uint32_t tv_info =
1880 		    combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
1881 		if (tv_info) {
1882 			if (RBIOS8(tv_info + 6) == 'T') {
1883 				radeon_add_legacy_encoder(dev,
1884 							  radeon_get_encoder_id
1885 							  (dev,
1886 							   ATOM_DEVICE_TV1_SUPPORT,
1887 							   2),
1888 							  ATOM_DEVICE_TV1_SUPPORT);
1889 				radeon_add_legacy_connector(dev, 6,
1890 							    ATOM_DEVICE_TV1_SUPPORT,
1891 							    DRM_MODE_CONNECTOR_SVIDEO,
1892 							    &ddc_i2c);
1893 			}
1894 		}
1895 	}
1896 
1897 	radeon_link_encoder_connector(dev);
1898 
1899 	return true;
1900 }
1901 
1902 static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
1903 {
1904 	struct radeon_device *rdev = dev->dev_private;
1905 
1906 	if (offset) {
1907 		while (RBIOS16(offset)) {
1908 			uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
1909 			uint32_t addr = (RBIOS16(offset) & 0x1fff);
1910 			uint32_t val, and_mask, or_mask;
1911 			uint32_t tmp;
1912 
1913 			offset += 2;
1914 			switch (cmd) {
1915 			case 0:
1916 				val = RBIOS32(offset);
1917 				offset += 4;
1918 				WREG32(addr, val);
1919 				break;
1920 			case 1:
1921 				val = RBIOS32(offset);
1922 				offset += 4;
1923 				WREG32(addr, val);
1924 				break;
1925 			case 2:
1926 				and_mask = RBIOS32(offset);
1927 				offset += 4;
1928 				or_mask = RBIOS32(offset);
1929 				offset += 4;
1930 				tmp = RREG32(addr);
1931 				tmp &= and_mask;
1932 				tmp |= or_mask;
1933 				WREG32(addr, tmp);
1934 				break;
1935 			case 3:
1936 				and_mask = RBIOS32(offset);
1937 				offset += 4;
1938 				or_mask = RBIOS32(offset);
1939 				offset += 4;
1940 				tmp = RREG32(addr);
1941 				tmp &= and_mask;
1942 				tmp |= or_mask;
1943 				WREG32(addr, tmp);
1944 				break;
1945 			case 4:
1946 				val = RBIOS16(offset);
1947 				offset += 2;
1948 				udelay(val);
1949 				break;
1950 			case 5:
1951 				val = RBIOS16(offset);
1952 				offset += 2;
1953 				switch (addr) {
1954 				case 8:
1955 					while (val--) {
1956 						if (!
1957 						    (RREG32_PLL
1958 						     (RADEON_CLK_PWRMGT_CNTL) &
1959 						     RADEON_MC_BUSY))
1960 							break;
1961 					}
1962 					break;
1963 				case 9:
1964 					while (val--) {
1965 						if ((RREG32(RADEON_MC_STATUS) &
1966 						     RADEON_MC_IDLE))
1967 							break;
1968 					}
1969 					break;
1970 				default:
1971 					break;
1972 				}
1973 				break;
1974 			default:
1975 				break;
1976 			}
1977 		}
1978 	}
1979 }
1980 
1981 static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
1982 {
1983 	struct radeon_device *rdev = dev->dev_private;
1984 
1985 	if (offset) {
1986 		while (RBIOS8(offset)) {
1987 			uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
1988 			uint8_t addr = (RBIOS8(offset) & 0x3f);
1989 			uint32_t val, shift, tmp;
1990 			uint32_t and_mask, or_mask;
1991 
1992 			offset++;
1993 			switch (cmd) {
1994 			case 0:
1995 				val = RBIOS32(offset);
1996 				offset += 4;
1997 				WREG32_PLL(addr, val);
1998 				break;
1999 			case 1:
2000 				shift = RBIOS8(offset) * 8;
2001 				offset++;
2002 				and_mask = RBIOS8(offset) << shift;
2003 				and_mask |= ~(0xff << shift);
2004 				offset++;
2005 				or_mask = RBIOS8(offset) << shift;
2006 				offset++;
2007 				tmp = RREG32_PLL(addr);
2008 				tmp &= and_mask;
2009 				tmp |= or_mask;
2010 				WREG32_PLL(addr, tmp);
2011 				break;
2012 			case 2:
2013 			case 3:
2014 				tmp = 1000;
2015 				switch (addr) {
2016 				case 1:
2017 					udelay(150);
2018 					break;
2019 				case 2:
2020 					udelay(1000);
2021 					break;
2022 				case 3:
2023 					while (tmp--) {
2024 						if (!
2025 						    (RREG32_PLL
2026 						     (RADEON_CLK_PWRMGT_CNTL) &
2027 						     RADEON_MC_BUSY))
2028 							break;
2029 					}
2030 					break;
2031 				case 4:
2032 					while (tmp--) {
2033 						if (RREG32_PLL
2034 						    (RADEON_CLK_PWRMGT_CNTL) &
2035 						    RADEON_DLL_READY)
2036 							break;
2037 					}
2038 					break;
2039 				case 5:
2040 					tmp =
2041 					    RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
2042 					if (tmp & RADEON_CG_NO1_DEBUG_0) {
2043 #if 0
2044 						uint32_t mclk_cntl =
2045 						    RREG32_PLL
2046 						    (RADEON_MCLK_CNTL);
2047 						mclk_cntl &= 0xffff0000;
2048 						/*mclk_cntl |= 0x00001111;*//* ??? */
2049 						WREG32_PLL(RADEON_MCLK_CNTL,
2050 							   mclk_cntl);
2051 						udelay(10000);
2052 #endif
2053 						WREG32_PLL
2054 						    (RADEON_CLK_PWRMGT_CNTL,
2055 						     tmp &
2056 						     ~RADEON_CG_NO1_DEBUG_0);
2057 						udelay(10000);
2058 					}
2059 					break;
2060 				default:
2061 					break;
2062 				}
2063 				break;
2064 			default:
2065 				break;
2066 			}
2067 		}
2068 	}
2069 }
2070 
2071 static void combios_parse_ram_reset_table(struct drm_device *dev,
2072 					  uint16_t offset)
2073 {
2074 	struct radeon_device *rdev = dev->dev_private;
2075 	uint32_t tmp;
2076 
2077 	if (offset) {
2078 		uint8_t val = RBIOS8(offset);
2079 		while (val != 0xff) {
2080 			offset++;
2081 
2082 			if (val == 0x0f) {
2083 				uint32_t channel_complete_mask;
2084 
2085 				if (ASIC_IS_R300(rdev))
2086 					channel_complete_mask =
2087 					    R300_MEM_PWRUP_COMPLETE;
2088 				else
2089 					channel_complete_mask =
2090 					    RADEON_MEM_PWRUP_COMPLETE;
2091 				tmp = 20000;
2092 				while (tmp--) {
2093 					if ((RREG32(RADEON_MEM_STR_CNTL) &
2094 					     channel_complete_mask) ==
2095 					    channel_complete_mask)
2096 						break;
2097 				}
2098 			} else {
2099 				uint32_t or_mask = RBIOS16(offset);
2100 				offset += 2;
2101 
2102 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2103 				tmp &= RADEON_SDRAM_MODE_MASK;
2104 				tmp |= or_mask;
2105 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
2106 
2107 				or_mask = val << 24;
2108 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2109 				tmp &= RADEON_B3MEM_RESET_MASK;
2110 				tmp |= or_mask;
2111 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
2112 			}
2113 			val = RBIOS8(offset);
2114 		}
2115 	}
2116 }
2117 
2118 static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
2119 				   int mem_addr_mapping)
2120 {
2121 	struct radeon_device *rdev = dev->dev_private;
2122 	uint32_t mem_cntl;
2123 	uint32_t mem_size;
2124 	uint32_t addr = 0;
2125 
2126 	mem_cntl = RREG32(RADEON_MEM_CNTL);
2127 	if (mem_cntl & RV100_HALF_MODE)
2128 		ram /= 2;
2129 	mem_size = ram;
2130 	mem_cntl &= ~(0xff << 8);
2131 	mem_cntl |= (mem_addr_mapping & 0xff) << 8;
2132 	WREG32(RADEON_MEM_CNTL, mem_cntl);
2133 	RREG32(RADEON_MEM_CNTL);
2134 
2135 	/* sdram reset ? */
2136 
2137 	/* something like this????  */
2138 	while (ram--) {
2139 		addr = ram * 1024 * 1024;
2140 		/* write to each page */
2141 		WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
2142 		WREG32(RADEON_MM_DATA, 0xdeadbeef);
2143 		/* read back and verify */
2144 		WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
2145 		if (RREG32(RADEON_MM_DATA) != 0xdeadbeef)
2146 			return 0;
2147 	}
2148 
2149 	return mem_size;
2150 }
2151 
2152 static void combios_write_ram_size(struct drm_device *dev)
2153 {
2154 	struct radeon_device *rdev = dev->dev_private;
2155 	uint8_t rev;
2156 	uint16_t offset;
2157 	uint32_t mem_size = 0;
2158 	uint32_t mem_cntl = 0;
2159 
2160 	/* should do something smarter here I guess... */
2161 	if (rdev->flags & RADEON_IS_IGP)
2162 		return;
2163 
2164 	/* first check detected mem table */
2165 	offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
2166 	if (offset) {
2167 		rev = RBIOS8(offset);
2168 		if (rev < 3) {
2169 			mem_cntl = RBIOS32(offset + 1);
2170 			mem_size = RBIOS16(offset + 5);
2171 			if (((rdev->flags & RADEON_FAMILY_MASK) < CHIP_R200) &&
2172 			    ((dev->pdev->device != 0x515e)
2173 			     && (dev->pdev->device != 0x5969)))
2174 				WREG32(RADEON_MEM_CNTL, mem_cntl);
2175 		}
2176 	}
2177 
2178 	if (!mem_size) {
2179 		offset =
2180 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
2181 		if (offset) {
2182 			rev = RBIOS8(offset - 1);
2183 			if (rev < 1) {
2184 				if (((rdev->flags & RADEON_FAMILY_MASK) <
2185 				     CHIP_R200)
2186 				    && ((dev->pdev->device != 0x515e)
2187 					&& (dev->pdev->device != 0x5969))) {
2188 					int ram = 0;
2189 					int mem_addr_mapping = 0;
2190 
2191 					while (RBIOS8(offset)) {
2192 						ram = RBIOS8(offset);
2193 						mem_addr_mapping =
2194 						    RBIOS8(offset + 1);
2195 						if (mem_addr_mapping != 0x25)
2196 							ram *= 2;
2197 						mem_size =
2198 						    combios_detect_ram(dev, ram,
2199 								       mem_addr_mapping);
2200 						if (mem_size)
2201 							break;
2202 						offset += 2;
2203 					}
2204 				} else
2205 					mem_size = RBIOS8(offset);
2206 			} else {
2207 				mem_size = RBIOS8(offset);
2208 				mem_size *= 2;	/* convert to MB */
2209 			}
2210 		}
2211 	}
2212 
2213 	mem_size *= (1024 * 1024);	/* convert to bytes */
2214 	WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
2215 }
2216 
2217 void radeon_combios_dyn_clk_setup(struct drm_device *dev, int enable)
2218 {
2219 	uint16_t dyn_clk_info =
2220 	    combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
2221 
2222 	if (dyn_clk_info)
2223 		combios_parse_pll_table(dev, dyn_clk_info);
2224 }
2225 
2226 void radeon_combios_asic_init(struct drm_device *dev)
2227 {
2228 	struct radeon_device *rdev = dev->dev_private;
2229 	uint16_t table;
2230 
2231 	/* port hardcoded mac stuff from radeonfb */
2232 	if (rdev->bios == NULL)
2233 		return;
2234 
2235 	/* ASIC INIT 1 */
2236 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE);
2237 	if (table)
2238 		combios_parse_mmio_table(dev, table);
2239 
2240 	/* PLL INIT */
2241 	table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE);
2242 	if (table)
2243 		combios_parse_pll_table(dev, table);
2244 
2245 	/* ASIC INIT 2 */
2246 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE);
2247 	if (table)
2248 		combios_parse_mmio_table(dev, table);
2249 
2250 	if (!(rdev->flags & RADEON_IS_IGP)) {
2251 		/* ASIC INIT 4 */
2252 		table =
2253 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE);
2254 		if (table)
2255 			combios_parse_mmio_table(dev, table);
2256 
2257 		/* RAM RESET */
2258 		table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE);
2259 		if (table)
2260 			combios_parse_ram_reset_table(dev, table);
2261 
2262 		/* ASIC INIT 3 */
2263 		table =
2264 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE);
2265 		if (table)
2266 			combios_parse_mmio_table(dev, table);
2267 
2268 		/* write CONFIG_MEMSIZE */
2269 		combios_write_ram_size(dev);
2270 	}
2271 
2272 	/* DYN CLK 1 */
2273 	table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
2274 	if (table)
2275 		combios_parse_pll_table(dev, table);
2276 
2277 }
2278 
2279 void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
2280 {
2281 	struct radeon_device *rdev = dev->dev_private;
2282 	uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
2283 
2284 	bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
2285 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
2286 	bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
2287 
2288 	/* let the bios control the backlight */
2289 	bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
2290 
2291 	/* tell the bios not to handle mode switching */
2292 	bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
2293 			   RADEON_ACC_MODE_CHANGE);
2294 
2295 	/* tell the bios a driver is loaded */
2296 	bios_7_scratch |= RADEON_DRV_LOADED;
2297 
2298 	WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
2299 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
2300 	WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
2301 }
2302 
2303 void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
2304 {
2305 	struct drm_device *dev = encoder->dev;
2306 	struct radeon_device *rdev = dev->dev_private;
2307 	uint32_t bios_6_scratch;
2308 
2309 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
2310 
2311 	if (lock)
2312 		bios_6_scratch |= RADEON_DRIVER_CRITICAL;
2313 	else
2314 		bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
2315 
2316 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
2317 }
2318 
2319 void
2320 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
2321 				      struct drm_encoder *encoder,
2322 				      bool connected)
2323 {
2324 	struct drm_device *dev = connector->dev;
2325 	struct radeon_device *rdev = dev->dev_private;
2326 	struct radeon_connector *radeon_connector =
2327 	    to_radeon_connector(connector);
2328 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2329 	uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
2330 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
2331 
2332 	if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
2333 	    (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
2334 		if (connected) {
2335 			DRM_DEBUG("TV1 connected\n");
2336 			/* fix me */
2337 			bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
2338 			/*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
2339 			bios_5_scratch |= RADEON_TV1_ON;
2340 			bios_5_scratch |= RADEON_ACC_REQ_TV1;
2341 		} else {
2342 			DRM_DEBUG("TV1 disconnected\n");
2343 			bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
2344 			bios_5_scratch &= ~RADEON_TV1_ON;
2345 			bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
2346 		}
2347 	}
2348 	if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
2349 	    (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
2350 		if (connected) {
2351 			DRM_DEBUG("LCD1 connected\n");
2352 			bios_4_scratch |= RADEON_LCD1_ATTACHED;
2353 			bios_5_scratch |= RADEON_LCD1_ON;
2354 			bios_5_scratch |= RADEON_ACC_REQ_LCD1;
2355 		} else {
2356 			DRM_DEBUG("LCD1 disconnected\n");
2357 			bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
2358 			bios_5_scratch &= ~RADEON_LCD1_ON;
2359 			bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
2360 		}
2361 	}
2362 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
2363 	    (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
2364 		if (connected) {
2365 			DRM_DEBUG("CRT1 connected\n");
2366 			bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
2367 			bios_5_scratch |= RADEON_CRT1_ON;
2368 			bios_5_scratch |= RADEON_ACC_REQ_CRT1;
2369 		} else {
2370 			DRM_DEBUG("CRT1 disconnected\n");
2371 			bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
2372 			bios_5_scratch &= ~RADEON_CRT1_ON;
2373 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
2374 		}
2375 	}
2376 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
2377 	    (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
2378 		if (connected) {
2379 			DRM_DEBUG("CRT2 connected\n");
2380 			bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
2381 			bios_5_scratch |= RADEON_CRT2_ON;
2382 			bios_5_scratch |= RADEON_ACC_REQ_CRT2;
2383 		} else {
2384 			DRM_DEBUG("CRT2 disconnected\n");
2385 			bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
2386 			bios_5_scratch &= ~RADEON_CRT2_ON;
2387 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
2388 		}
2389 	}
2390 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
2391 	    (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
2392 		if (connected) {
2393 			DRM_DEBUG("DFP1 connected\n");
2394 			bios_4_scratch |= RADEON_DFP1_ATTACHED;
2395 			bios_5_scratch |= RADEON_DFP1_ON;
2396 			bios_5_scratch |= RADEON_ACC_REQ_DFP1;
2397 		} else {
2398 			DRM_DEBUG("DFP1 disconnected\n");
2399 			bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
2400 			bios_5_scratch &= ~RADEON_DFP1_ON;
2401 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
2402 		}
2403 	}
2404 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
2405 	    (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
2406 		if (connected) {
2407 			DRM_DEBUG("DFP2 connected\n");
2408 			bios_4_scratch |= RADEON_DFP2_ATTACHED;
2409 			bios_5_scratch |= RADEON_DFP2_ON;
2410 			bios_5_scratch |= RADEON_ACC_REQ_DFP2;
2411 		} else {
2412 			DRM_DEBUG("DFP2 disconnected\n");
2413 			bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
2414 			bios_5_scratch &= ~RADEON_DFP2_ON;
2415 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
2416 		}
2417 	}
2418 	WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
2419 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
2420 }
2421 
2422 void
2423 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
2424 {
2425 	struct drm_device *dev = encoder->dev;
2426 	struct radeon_device *rdev = dev->dev_private;
2427 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2428 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
2429 
2430 	if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
2431 		bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
2432 		bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
2433 	}
2434 	if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
2435 		bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
2436 		bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
2437 	}
2438 	if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
2439 		bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
2440 		bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
2441 	}
2442 	if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
2443 		bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
2444 		bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
2445 	}
2446 	if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
2447 		bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
2448 		bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
2449 	}
2450 	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
2451 		bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
2452 		bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
2453 	}
2454 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
2455 }
2456 
2457 void
2458 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
2459 {
2460 	struct drm_device *dev = encoder->dev;
2461 	struct radeon_device *rdev = dev->dev_private;
2462 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2463 	uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
2464 
2465 	if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
2466 		if (on)
2467 			bios_6_scratch |= RADEON_TV_DPMS_ON;
2468 		else
2469 			bios_6_scratch &= ~RADEON_TV_DPMS_ON;
2470 	}
2471 	if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
2472 		if (on)
2473 			bios_6_scratch |= RADEON_CRT_DPMS_ON;
2474 		else
2475 			bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
2476 	}
2477 	if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
2478 		if (on)
2479 			bios_6_scratch |= RADEON_LCD_DPMS_ON;
2480 		else
2481 			bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
2482 	}
2483 	if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
2484 		if (on)
2485 			bios_6_scratch |= RADEON_DFP_DPMS_ON;
2486 		else
2487 			bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
2488 	}
2489 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
2490 }
2491