radeon_combios.c revision 40f76d81fb45c1399f93500afa2aed9f84f7dee6
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 */
41extern uint32_t
42radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device,
43			uint8_t dac);
44extern void radeon_link_encoder_connector(struct drm_device *dev);
45
46/* from radeon_connector.c */
47extern void
48radeon_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 */
57extern void
58radeon_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 */
64enum 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
114enum 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
124enum 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
135const 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
146static 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
449bool 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
474struct edid *
475radeon_combios_get_hardcoded_edid(struct radeon_device *rdev)
476{
477	if (rdev->mode_info.bios_hardcoded_edid)
478		return rdev->mode_info.bios_hardcoded_edid;
479	return NULL;
480}
481
482static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
483						       enum radeon_combios_ddc ddc,
484						       u32 clk_mask,
485						       u32 data_mask)
486{
487	struct radeon_i2c_bus_rec i2c;
488	int ddc_line = 0;
489
490	/* ddc id            = mask reg
491	 * DDC_NONE_DETECTED = none
492	 * DDC_DVI           = RADEON_GPIO_DVI_DDC
493	 * DDC_VGA           = RADEON_GPIO_VGA_DDC
494	 * DDC_LCD           = RADEON_GPIOPAD_MASK
495	 * DDC_GPIO          = RADEON_MDGPIO_MASK
496	 * r1xx/r2xx
497	 * DDC_MONID         = RADEON_GPIO_MONID
498	 * DDC_CRT2          = RADEON_GPIO_CRT2_DDC
499	 * r3xx
500	 * DDC_MONID         = RADEON_GPIO_MONID
501	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
502	 * rs3xx/rs4xx
503	 * DDC_MONID         = RADEON_GPIOPAD_MASK
504	 * DDC_CRT2          = RADEON_GPIO_MONID
505	 */
506	switch (ddc) {
507	case DDC_NONE_DETECTED:
508	default:
509		ddc_line = 0;
510		break;
511	case DDC_DVI:
512		ddc_line = RADEON_GPIO_DVI_DDC;
513		break;
514	case DDC_VGA:
515		ddc_line = RADEON_GPIO_VGA_DDC;
516		break;
517	case DDC_LCD:
518		ddc_line = RADEON_GPIOPAD_MASK;
519		break;
520	case DDC_GPIO:
521		ddc_line = RADEON_MDGPIO_MASK;
522		break;
523	case DDC_MONID:
524		if (rdev->family == CHIP_RS300 ||
525		    rdev->family == CHIP_RS400 ||
526		    rdev->family == CHIP_RS480)
527			ddc_line = RADEON_GPIOPAD_MASK;
528		else
529			ddc_line = RADEON_GPIO_MONID;
530		break;
531	case DDC_CRT2:
532		if (rdev->family == CHIP_RS300 ||
533		    rdev->family == CHIP_RS400 ||
534		    rdev->family == CHIP_RS480)
535			ddc_line = RADEON_GPIO_MONID;
536		else if (rdev->family >= CHIP_R300) {
537			ddc_line = RADEON_GPIO_DVI_DDC;
538			ddc = DDC_DVI;
539		} else
540			ddc_line = RADEON_GPIO_CRT2_DDC;
541		break;
542	}
543
544	if (ddc_line == RADEON_GPIOPAD_MASK) {
545		i2c.mask_clk_reg = RADEON_GPIOPAD_MASK;
546		i2c.mask_data_reg = RADEON_GPIOPAD_MASK;
547		i2c.a_clk_reg = RADEON_GPIOPAD_A;
548		i2c.a_data_reg = RADEON_GPIOPAD_A;
549		i2c.en_clk_reg = RADEON_GPIOPAD_EN;
550		i2c.en_data_reg = RADEON_GPIOPAD_EN;
551		i2c.y_clk_reg = RADEON_GPIOPAD_Y;
552		i2c.y_data_reg = RADEON_GPIOPAD_Y;
553	} else if (ddc_line == RADEON_MDGPIO_MASK) {
554		i2c.mask_clk_reg = RADEON_MDGPIO_MASK;
555		i2c.mask_data_reg = RADEON_MDGPIO_MASK;
556		i2c.a_clk_reg = RADEON_MDGPIO_A;
557		i2c.a_data_reg = RADEON_MDGPIO_A;
558		i2c.en_clk_reg = RADEON_MDGPIO_EN;
559		i2c.en_data_reg = RADEON_MDGPIO_EN;
560		i2c.y_clk_reg = RADEON_MDGPIO_Y;
561		i2c.y_data_reg = RADEON_MDGPIO_Y;
562	} else {
563		i2c.mask_clk_reg = ddc_line;
564		i2c.mask_data_reg = ddc_line;
565		i2c.a_clk_reg = ddc_line;
566		i2c.a_data_reg = ddc_line;
567		i2c.en_clk_reg = ddc_line;
568		i2c.en_data_reg = ddc_line;
569		i2c.y_clk_reg = ddc_line;
570		i2c.y_data_reg = ddc_line;
571	}
572
573	if (clk_mask && data_mask) {
574		i2c.mask_clk_mask = clk_mask;
575		i2c.mask_data_mask = data_mask;
576		i2c.a_clk_mask = clk_mask;
577		i2c.a_data_mask = data_mask;
578		i2c.en_clk_mask = clk_mask;
579		i2c.en_data_mask = data_mask;
580		i2c.y_clk_mask = clk_mask;
581		i2c.y_data_mask = data_mask;
582	} else {
583		i2c.mask_clk_mask = RADEON_GPIO_EN_1;
584		i2c.mask_data_mask = RADEON_GPIO_EN_0;
585		i2c.a_clk_mask = RADEON_GPIO_A_1;
586		i2c.a_data_mask = RADEON_GPIO_A_0;
587		i2c.en_clk_mask = RADEON_GPIO_EN_1;
588		i2c.en_data_mask = RADEON_GPIO_EN_0;
589		i2c.y_clk_mask = RADEON_GPIO_Y_1;
590		i2c.y_data_mask = RADEON_GPIO_Y_0;
591	}
592
593	switch (rdev->family) {
594	case CHIP_R100:
595	case CHIP_RV100:
596	case CHIP_RS100:
597	case CHIP_RV200:
598	case CHIP_RS200:
599	case CHIP_RS300:
600		switch (ddc_line) {
601		case RADEON_GPIO_DVI_DDC:
602			i2c.hw_capable = true;
603			break;
604		default:
605			i2c.hw_capable = false;
606			break;
607		}
608		break;
609	case CHIP_R200:
610		switch (ddc_line) {
611		case RADEON_GPIO_DVI_DDC:
612		case RADEON_GPIO_MONID:
613			i2c.hw_capable = true;
614			break;
615		default:
616			i2c.hw_capable = false;
617			break;
618		}
619		break;
620	case CHIP_RV250:
621	case CHIP_RV280:
622		switch (ddc_line) {
623		case RADEON_GPIO_VGA_DDC:
624		case RADEON_GPIO_DVI_DDC:
625		case RADEON_GPIO_CRT2_DDC:
626			i2c.hw_capable = true;
627			break;
628		default:
629			i2c.hw_capable = false;
630			break;
631		}
632		break;
633	case CHIP_R300:
634	case CHIP_R350:
635		switch (ddc_line) {
636		case RADEON_GPIO_VGA_DDC:
637		case RADEON_GPIO_DVI_DDC:
638			i2c.hw_capable = true;
639			break;
640		default:
641			i2c.hw_capable = false;
642			break;
643		}
644		break;
645	case CHIP_RV350:
646	case CHIP_RV380:
647	case CHIP_RS400:
648	case CHIP_RS480:
649		switch (ddc_line) {
650		case RADEON_GPIO_VGA_DDC:
651		case RADEON_GPIO_DVI_DDC:
652			i2c.hw_capable = true;
653			break;
654		case RADEON_GPIO_MONID:
655			/* hw i2c on RADEON_GPIO_MONID doesn't seem to work
656			 * reliably on some pre-r4xx hardware; not sure why.
657			 */
658			i2c.hw_capable = false;
659			break;
660		default:
661			i2c.hw_capable = false;
662			break;
663		}
664		break;
665	default:
666		i2c.hw_capable = false;
667		break;
668	}
669	i2c.mm_i2c = false;
670
671	i2c.i2c_id = ddc;
672	i2c.hpd = RADEON_HPD_NONE;
673
674	if (ddc_line)
675		i2c.valid = true;
676	else
677		i2c.valid = false;
678
679	return i2c;
680}
681
682void radeon_combios_i2c_init(struct radeon_device *rdev)
683{
684	struct drm_device *dev = rdev->ddev;
685	struct radeon_i2c_bus_rec i2c;
686
687
688	i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
689	rdev->i2c_bus[0] = radeon_i2c_create(dev, &i2c, "DVI_DDC");
690
691	i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
692	rdev->i2c_bus[1] = radeon_i2c_create(dev, &i2c, "VGA_DDC");
693
694	i2c.valid = true;
695	i2c.hw_capable = true;
696	i2c.mm_i2c = true;
697	i2c.i2c_id = 0xa0;
698	rdev->i2c_bus[2] = radeon_i2c_create(dev, &i2c, "MM_I2C");
699
700	if (rdev->family == CHIP_RS300 ||
701	    rdev->family == CHIP_RS400 ||
702	    rdev->family == CHIP_RS480) {
703		u16 offset;
704		u8 id, blocks, clk, data;
705		int i;
706
707		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
708		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
709
710		offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE);
711		if (offset) {
712			blocks = RBIOS8(offset + 2);
713			for (i = 0; i < blocks; i++) {
714				id = RBIOS8(offset + 3 + (i * 5) + 0);
715				if (id == 136) {
716					clk = RBIOS8(offset + 3 + (i * 5) + 3);
717					data = RBIOS8(offset + 3 + (i * 5) + 4);
718					i2c = combios_setup_i2c_bus(rdev, DDC_MONID,
719								    clk, data);
720					rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "GPIOPAD_MASK");
721					break;
722				}
723			}
724		}
725
726	} else if (rdev->family >= CHIP_R300) {
727		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
728		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
729	} else {
730		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
731		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
732
733		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
734		rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "CRT2_DDC");
735	}
736}
737
738bool radeon_combios_get_clock_info(struct drm_device *dev)
739{
740	struct radeon_device *rdev = dev->dev_private;
741	uint16_t pll_info;
742	struct radeon_pll *p1pll = &rdev->clock.p1pll;
743	struct radeon_pll *p2pll = &rdev->clock.p2pll;
744	struct radeon_pll *spll = &rdev->clock.spll;
745	struct radeon_pll *mpll = &rdev->clock.mpll;
746	int8_t rev;
747	uint16_t sclk, mclk;
748
749	pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
750	if (pll_info) {
751		rev = RBIOS8(pll_info);
752
753		/* pixel clocks */
754		p1pll->reference_freq = RBIOS16(pll_info + 0xe);
755		p1pll->reference_div = RBIOS16(pll_info + 0x10);
756		p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
757		p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
758		p1pll->lcd_pll_out_min = p1pll->pll_out_min;
759		p1pll->lcd_pll_out_max = p1pll->pll_out_max;
760
761		if (rev > 9) {
762			p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
763			p1pll->pll_in_max = RBIOS32(pll_info + 0x3a);
764		} else {
765			p1pll->pll_in_min = 40;
766			p1pll->pll_in_max = 500;
767		}
768		*p2pll = *p1pll;
769
770		/* system clock */
771		spll->reference_freq = RBIOS16(pll_info + 0x1a);
772		spll->reference_div = RBIOS16(pll_info + 0x1c);
773		spll->pll_out_min = RBIOS32(pll_info + 0x1e);
774		spll->pll_out_max = RBIOS32(pll_info + 0x22);
775
776		if (rev > 10) {
777			spll->pll_in_min = RBIOS32(pll_info + 0x48);
778			spll->pll_in_max = RBIOS32(pll_info + 0x4c);
779		} else {
780			/* ??? */
781			spll->pll_in_min = 40;
782			spll->pll_in_max = 500;
783		}
784
785		/* memory clock */
786		mpll->reference_freq = RBIOS16(pll_info + 0x26);
787		mpll->reference_div = RBIOS16(pll_info + 0x28);
788		mpll->pll_out_min = RBIOS32(pll_info + 0x2a);
789		mpll->pll_out_max = RBIOS32(pll_info + 0x2e);
790
791		if (rev > 10) {
792			mpll->pll_in_min = RBIOS32(pll_info + 0x5a);
793			mpll->pll_in_max = RBIOS32(pll_info + 0x5e);
794		} else {
795			/* ??? */
796			mpll->pll_in_min = 40;
797			mpll->pll_in_max = 500;
798		}
799
800		/* default sclk/mclk */
801		sclk = RBIOS16(pll_info + 0xa);
802		mclk = RBIOS16(pll_info + 0x8);
803		if (sclk == 0)
804			sclk = 200 * 100;
805		if (mclk == 0)
806			mclk = 200 * 100;
807
808		rdev->clock.default_sclk = sclk;
809		rdev->clock.default_mclk = mclk;
810
811		return true;
812	}
813	return false;
814}
815
816bool radeon_combios_sideport_present(struct radeon_device *rdev)
817{
818	struct drm_device *dev = rdev->ddev;
819	u16 igp_info;
820
821	/* sideport is AMD only */
822	if (rdev->family == CHIP_RS400)
823		return false;
824
825	igp_info = combios_get_table_offset(dev, COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE);
826
827	if (igp_info) {
828		if (RBIOS16(igp_info + 0x4))
829			return true;
830	}
831	return false;
832}
833
834static const uint32_t default_primarydac_adj[CHIP_LAST] = {
835	0x00000808,		/* r100  */
836	0x00000808,		/* rv100 */
837	0x00000808,		/* rs100 */
838	0x00000808,		/* rv200 */
839	0x00000808,		/* rs200 */
840	0x00000808,		/* r200  */
841	0x00000808,		/* rv250 */
842	0x00000000,		/* rs300 */
843	0x00000808,		/* rv280 */
844	0x00000808,		/* r300  */
845	0x00000808,		/* r350  */
846	0x00000808,		/* rv350 */
847	0x00000808,		/* rv380 */
848	0x00000808,		/* r420  */
849	0x00000808,		/* r423  */
850	0x00000808,		/* rv410 */
851	0x00000000,		/* rs400 */
852	0x00000000,		/* rs480 */
853};
854
855static void radeon_legacy_get_primary_dac_info_from_table(struct radeon_device *rdev,
856							  struct radeon_encoder_primary_dac *p_dac)
857{
858	p_dac->ps2_pdac_adj = default_primarydac_adj[rdev->family];
859	return;
860}
861
862struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
863								       radeon_encoder
864								       *encoder)
865{
866	struct drm_device *dev = encoder->base.dev;
867	struct radeon_device *rdev = dev->dev_private;
868	uint16_t dac_info;
869	uint8_t rev, bg, dac;
870	struct radeon_encoder_primary_dac *p_dac = NULL;
871	int found = 0;
872
873	p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac),
874			GFP_KERNEL);
875
876	if (!p_dac)
877		return NULL;
878
879	/* check CRT table */
880	dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
881	if (dac_info) {
882		rev = RBIOS8(dac_info) & 0x3;
883		if (rev < 2) {
884			bg = RBIOS8(dac_info + 0x2) & 0xf;
885			dac = (RBIOS8(dac_info + 0x2) >> 4) & 0xf;
886			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
887		} else {
888			bg = RBIOS8(dac_info + 0x2) & 0xf;
889			dac = RBIOS8(dac_info + 0x3) & 0xf;
890			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
891		}
892		/* if the values are all zeros, use the table */
893		if (p_dac->ps2_pdac_adj)
894			found = 1;
895	}
896
897	if (!found) /* fallback to defaults */
898		radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac);
899
900	return p_dac;
901}
902
903enum radeon_tv_std
904radeon_combios_get_tv_info(struct radeon_device *rdev)
905{
906	struct drm_device *dev = rdev->ddev;
907	uint16_t tv_info;
908	enum radeon_tv_std tv_std = TV_STD_NTSC;
909
910	tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
911	if (tv_info) {
912		if (RBIOS8(tv_info + 6) == 'T') {
913			switch (RBIOS8(tv_info + 7) & 0xf) {
914			case 1:
915				tv_std = TV_STD_NTSC;
916				DRM_DEBUG_KMS("Default TV standard: NTSC\n");
917				break;
918			case 2:
919				tv_std = TV_STD_PAL;
920				DRM_DEBUG_KMS("Default TV standard: PAL\n");
921				break;
922			case 3:
923				tv_std = TV_STD_PAL_M;
924				DRM_DEBUG_KMS("Default TV standard: PAL-M\n");
925				break;
926			case 4:
927				tv_std = TV_STD_PAL_60;
928				DRM_DEBUG_KMS("Default TV standard: PAL-60\n");
929				break;
930			case 5:
931				tv_std = TV_STD_NTSC_J;
932				DRM_DEBUG_KMS("Default TV standard: NTSC-J\n");
933				break;
934			case 6:
935				tv_std = TV_STD_SCART_PAL;
936				DRM_DEBUG_KMS("Default TV standard: SCART-PAL\n");
937				break;
938			default:
939				tv_std = TV_STD_NTSC;
940				DRM_DEBUG_KMS
941				    ("Unknown TV standard; defaulting to NTSC\n");
942				break;
943			}
944
945			switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
946			case 0:
947				DRM_DEBUG_KMS("29.498928713 MHz TV ref clk\n");
948				break;
949			case 1:
950				DRM_DEBUG_KMS("28.636360000 MHz TV ref clk\n");
951				break;
952			case 2:
953				DRM_DEBUG_KMS("14.318180000 MHz TV ref clk\n");
954				break;
955			case 3:
956				DRM_DEBUG_KMS("27.000000000 MHz TV ref clk\n");
957				break;
958			default:
959				break;
960			}
961		}
962	}
963	return tv_std;
964}
965
966static const uint32_t default_tvdac_adj[CHIP_LAST] = {
967	0x00000000,		/* r100  */
968	0x00280000,		/* rv100 */
969	0x00000000,		/* rs100 */
970	0x00880000,		/* rv200 */
971	0x00000000,		/* rs200 */
972	0x00000000,		/* r200  */
973	0x00770000,		/* rv250 */
974	0x00290000,		/* rs300 */
975	0x00560000,		/* rv280 */
976	0x00780000,		/* r300  */
977	0x00770000,		/* r350  */
978	0x00780000,		/* rv350 */
979	0x00780000,		/* rv380 */
980	0x01080000,		/* r420  */
981	0x01080000,		/* r423  */
982	0x01080000,		/* rv410 */
983	0x00780000,		/* rs400 */
984	0x00780000,		/* rs480 */
985};
986
987static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
988						     struct radeon_encoder_tv_dac *tv_dac)
989{
990	tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
991	if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
992		tv_dac->ps2_tvdac_adj = 0x00880000;
993	tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
994	tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
995	return;
996}
997
998struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
999							     radeon_encoder
1000							     *encoder)
1001{
1002	struct drm_device *dev = encoder->base.dev;
1003	struct radeon_device *rdev = dev->dev_private;
1004	uint16_t dac_info;
1005	uint8_t rev, bg, dac;
1006	struct radeon_encoder_tv_dac *tv_dac = NULL;
1007	int found = 0;
1008
1009	tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
1010	if (!tv_dac)
1011		return NULL;
1012
1013	/* first check TV table */
1014	dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
1015	if (dac_info) {
1016		rev = RBIOS8(dac_info + 0x3);
1017		if (rev > 4) {
1018			bg = RBIOS8(dac_info + 0xc) & 0xf;
1019			dac = RBIOS8(dac_info + 0xd) & 0xf;
1020			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1021
1022			bg = RBIOS8(dac_info + 0xe) & 0xf;
1023			dac = RBIOS8(dac_info + 0xf) & 0xf;
1024			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1025
1026			bg = RBIOS8(dac_info + 0x10) & 0xf;
1027			dac = RBIOS8(dac_info + 0x11) & 0xf;
1028			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1029			/* if the values are all zeros, use the table */
1030			if (tv_dac->ps2_tvdac_adj)
1031				found = 1;
1032		} else if (rev > 1) {
1033			bg = RBIOS8(dac_info + 0xc) & 0xf;
1034			dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
1035			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1036
1037			bg = RBIOS8(dac_info + 0xd) & 0xf;
1038			dac = (RBIOS8(dac_info + 0xd) >> 4) & 0xf;
1039			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1040
1041			bg = RBIOS8(dac_info + 0xe) & 0xf;
1042			dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
1043			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1044			/* if the values are all zeros, use the table */
1045			if (tv_dac->ps2_tvdac_adj)
1046				found = 1;
1047		}
1048		tv_dac->tv_std = radeon_combios_get_tv_info(rdev);
1049	}
1050	if (!found) {
1051		/* then check CRT table */
1052		dac_info =
1053		    combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
1054		if (dac_info) {
1055			rev = RBIOS8(dac_info) & 0x3;
1056			if (rev < 2) {
1057				bg = RBIOS8(dac_info + 0x3) & 0xf;
1058				dac = (RBIOS8(dac_info + 0x3) >> 4) & 0xf;
1059				tv_dac->ps2_tvdac_adj =
1060				    (bg << 16) | (dac << 20);
1061				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1062				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1063				/* if the values are all zeros, use the table */
1064				if (tv_dac->ps2_tvdac_adj)
1065					found = 1;
1066			} else {
1067				bg = RBIOS8(dac_info + 0x4) & 0xf;
1068				dac = RBIOS8(dac_info + 0x5) & 0xf;
1069				tv_dac->ps2_tvdac_adj =
1070				    (bg << 16) | (dac << 20);
1071				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1072				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1073				/* if the values are all zeros, use the table */
1074				if (tv_dac->ps2_tvdac_adj)
1075					found = 1;
1076			}
1077		} else {
1078			DRM_INFO("No TV DAC info found in BIOS\n");
1079		}
1080	}
1081
1082	if (!found) /* fallback to defaults */
1083		radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
1084
1085	return tv_dac;
1086}
1087
1088static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
1089									 radeon_device
1090									 *rdev)
1091{
1092	struct radeon_encoder_lvds *lvds = NULL;
1093	uint32_t fp_vert_stretch, fp_horz_stretch;
1094	uint32_t ppll_div_sel, ppll_val;
1095	uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
1096
1097	lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1098
1099	if (!lvds)
1100		return NULL;
1101
1102	fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH);
1103	fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH);
1104
1105	/* These should be fail-safe defaults, fingers crossed */
1106	lvds->panel_pwr_delay = 200;
1107	lvds->panel_vcc_delay = 2000;
1108
1109	lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
1110	lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf;
1111	lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf;
1112
1113	if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
1114		lvds->native_mode.vdisplay =
1115		    ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
1116		     RADEON_VERT_PANEL_SHIFT) + 1;
1117	else
1118		lvds->native_mode.vdisplay =
1119		    (RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;
1120
1121	if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
1122		lvds->native_mode.hdisplay =
1123		    (((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
1124		      RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
1125	else
1126		lvds->native_mode.hdisplay =
1127		    ((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;
1128
1129	if ((lvds->native_mode.hdisplay < 640) ||
1130	    (lvds->native_mode.vdisplay < 480)) {
1131		lvds->native_mode.hdisplay = 640;
1132		lvds->native_mode.vdisplay = 480;
1133	}
1134
1135	ppll_div_sel = RREG8(RADEON_CLOCK_CNTL_INDEX + 1) & 0x3;
1136	ppll_val = RREG32_PLL(RADEON_PPLL_DIV_0 + ppll_div_sel);
1137	if ((ppll_val & 0x000707ff) == 0x1bb)
1138		lvds->use_bios_dividers = false;
1139	else {
1140		lvds->panel_ref_divider =
1141		    RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
1142		lvds->panel_post_divider = (ppll_val >> 16) & 0x7;
1143		lvds->panel_fb_divider = ppll_val & 0x7ff;
1144
1145		if ((lvds->panel_ref_divider != 0) &&
1146		    (lvds->panel_fb_divider > 3))
1147			lvds->use_bios_dividers = true;
1148	}
1149	lvds->panel_vcc_delay = 200;
1150
1151	DRM_INFO("Panel info derived from registers\n");
1152	DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1153		 lvds->native_mode.vdisplay);
1154
1155	return lvds;
1156}
1157
1158struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
1159							 *encoder)
1160{
1161	struct drm_device *dev = encoder->base.dev;
1162	struct radeon_device *rdev = dev->dev_private;
1163	uint16_t lcd_info;
1164	uint32_t panel_setup;
1165	char stmp[30];
1166	int tmp, i;
1167	struct radeon_encoder_lvds *lvds = NULL;
1168
1169	lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
1170
1171	if (lcd_info) {
1172		lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1173
1174		if (!lvds)
1175			return NULL;
1176
1177		for (i = 0; i < 24; i++)
1178			stmp[i] = RBIOS8(lcd_info + i + 1);
1179		stmp[24] = 0;
1180
1181		DRM_INFO("Panel ID String: %s\n", stmp);
1182
1183		lvds->native_mode.hdisplay = RBIOS16(lcd_info + 0x19);
1184		lvds->native_mode.vdisplay = RBIOS16(lcd_info + 0x1b);
1185
1186		DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1187			 lvds->native_mode.vdisplay);
1188
1189		lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
1190		lvds->panel_vcc_delay = min_t(u16, lvds->panel_vcc_delay, 2000);
1191
1192		lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24);
1193		lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf;
1194		lvds->panel_blon_delay = (RBIOS16(lcd_info + 0x38) >> 4) & 0xf;
1195
1196		lvds->panel_ref_divider = RBIOS16(lcd_info + 0x2e);
1197		lvds->panel_post_divider = RBIOS8(lcd_info + 0x30);
1198		lvds->panel_fb_divider = RBIOS16(lcd_info + 0x31);
1199		if ((lvds->panel_ref_divider != 0) &&
1200		    (lvds->panel_fb_divider > 3))
1201			lvds->use_bios_dividers = true;
1202
1203		panel_setup = RBIOS32(lcd_info + 0x39);
1204		lvds->lvds_gen_cntl = 0xff00;
1205		if (panel_setup & 0x1)
1206			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
1207
1208		if ((panel_setup >> 4) & 0x1)
1209			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
1210
1211		switch ((panel_setup >> 8) & 0x7) {
1212		case 0:
1213			lvds->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
1214			break;
1215		case 1:
1216			lvds->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
1217			break;
1218		case 2:
1219			lvds->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
1220			break;
1221		default:
1222			break;
1223		}
1224
1225		if ((panel_setup >> 16) & 0x1)
1226			lvds->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
1227
1228		if ((panel_setup >> 17) & 0x1)
1229			lvds->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
1230
1231		if ((panel_setup >> 18) & 0x1)
1232			lvds->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
1233
1234		if ((panel_setup >> 23) & 0x1)
1235			lvds->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
1236
1237		lvds->lvds_gen_cntl |= (panel_setup & 0xf0000000);
1238
1239		for (i = 0; i < 32; i++) {
1240			tmp = RBIOS16(lcd_info + 64 + i * 2);
1241			if (tmp == 0)
1242				break;
1243
1244			if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
1245			    (RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) {
1246				lvds->native_mode.htotal = lvds->native_mode.hdisplay +
1247					(RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8;
1248				lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
1249					(RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8;
1250				lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
1251					(RBIOS8(tmp + 23) * 8);
1252
1253				lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
1254					(RBIOS16(tmp + 24) - RBIOS16(tmp + 26));
1255				lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
1256					((RBIOS16(tmp + 28) & 0x7ff) - RBIOS16(tmp + 26));
1257				lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
1258					((RBIOS16(tmp + 28) & 0xf800) >> 11);
1259
1260				lvds->native_mode.clock = RBIOS16(tmp + 9) * 10;
1261				lvds->native_mode.flags = 0;
1262				/* set crtc values */
1263				drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
1264
1265			}
1266		}
1267	} else {
1268		DRM_INFO("No panel info found in BIOS\n");
1269		lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
1270	}
1271
1272	if (lvds)
1273		encoder->native_mode = lvds->native_mode;
1274	return lvds;
1275}
1276
1277static const struct radeon_tmds_pll default_tmds_pll[CHIP_LAST][4] = {
1278	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R100  */
1279	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV100 */
1280	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS100 */
1281	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV200 */
1282	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RS200 */
1283	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R200  */
1284	{{15500, 0x81b}, {0xffffffff, 0x83f}, {0, 0}, {0, 0}},	/* CHIP_RV250 */
1285	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS300 */
1286	{{13000, 0x400f4}, {15000, 0x400f7}, {0xffffffff, 0x40111}, {0, 0}},	/* CHIP_RV280 */
1287	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R300  */
1288	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R350  */
1289	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV350 */
1290	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV380 */
1291	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R420  */
1292	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R423  */
1293	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RV410 */
1294	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS400 */
1295	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS480 */
1296};
1297
1298bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
1299					    struct radeon_encoder_int_tmds *tmds)
1300{
1301	struct drm_device *dev = encoder->base.dev;
1302	struct radeon_device *rdev = dev->dev_private;
1303	int i;
1304
1305	for (i = 0; i < 4; i++) {
1306		tmds->tmds_pll[i].value =
1307			default_tmds_pll[rdev->family][i].value;
1308		tmds->tmds_pll[i].freq = default_tmds_pll[rdev->family][i].freq;
1309	}
1310
1311	return true;
1312}
1313
1314bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
1315					      struct radeon_encoder_int_tmds *tmds)
1316{
1317	struct drm_device *dev = encoder->base.dev;
1318	struct radeon_device *rdev = dev->dev_private;
1319	uint16_t tmds_info;
1320	int i, n;
1321	uint8_t ver;
1322
1323	tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1324
1325	if (tmds_info) {
1326		ver = RBIOS8(tmds_info);
1327		DRM_DEBUG_KMS("DFP table revision: %d\n", ver);
1328		if (ver == 3) {
1329			n = RBIOS8(tmds_info + 5) + 1;
1330			if (n > 4)
1331				n = 4;
1332			for (i = 0; i < n; i++) {
1333				tmds->tmds_pll[i].value =
1334				    RBIOS32(tmds_info + i * 10 + 0x08);
1335				tmds->tmds_pll[i].freq =
1336				    RBIOS16(tmds_info + i * 10 + 0x10);
1337				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1338					  tmds->tmds_pll[i].freq,
1339					  tmds->tmds_pll[i].value);
1340			}
1341		} else if (ver == 4) {
1342			int stride = 0;
1343			n = RBIOS8(tmds_info + 5) + 1;
1344			if (n > 4)
1345				n = 4;
1346			for (i = 0; i < n; i++) {
1347				tmds->tmds_pll[i].value =
1348				    RBIOS32(tmds_info + stride + 0x08);
1349				tmds->tmds_pll[i].freq =
1350				    RBIOS16(tmds_info + stride + 0x10);
1351				if (i == 0)
1352					stride += 10;
1353				else
1354					stride += 6;
1355				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1356					  tmds->tmds_pll[i].freq,
1357					  tmds->tmds_pll[i].value);
1358			}
1359		}
1360	} else {
1361		DRM_INFO("No TMDS info found in BIOS\n");
1362		return false;
1363	}
1364	return true;
1365}
1366
1367bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
1368						struct radeon_encoder_ext_tmds *tmds)
1369{
1370	struct drm_device *dev = encoder->base.dev;
1371	struct radeon_device *rdev = dev->dev_private;
1372	struct radeon_i2c_bus_rec i2c_bus;
1373
1374	/* default for macs */
1375	i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1376	tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1377
1378	/* XXX some macs have duallink chips */
1379	switch (rdev->mode_info.connector_table) {
1380	case CT_POWERBOOK_EXTERNAL:
1381	case CT_MINI_EXTERNAL:
1382	default:
1383		tmds->dvo_chip = DVO_SIL164;
1384		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1385		break;
1386	}
1387
1388	return true;
1389}
1390
1391bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
1392						  struct radeon_encoder_ext_tmds *tmds)
1393{
1394	struct drm_device *dev = encoder->base.dev;
1395	struct radeon_device *rdev = dev->dev_private;
1396	uint16_t offset;
1397	uint8_t ver;
1398	enum radeon_combios_ddc gpio;
1399	struct radeon_i2c_bus_rec i2c_bus;
1400
1401	tmds->i2c_bus = NULL;
1402	if (rdev->flags & RADEON_IS_IGP) {
1403		i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1404		tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1405		tmds->dvo_chip = DVO_SIL164;
1406		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1407	} else {
1408		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
1409		if (offset) {
1410			ver = RBIOS8(offset);
1411			DRM_DEBUG_KMS("External TMDS Table revision: %d\n", ver);
1412			tmds->slave_addr = RBIOS8(offset + 4 + 2);
1413			tmds->slave_addr >>= 1; /* 7 bit addressing */
1414			gpio = RBIOS8(offset + 4 + 3);
1415			if (gpio == DDC_LCD) {
1416				/* MM i2c */
1417				i2c_bus.valid = true;
1418				i2c_bus.hw_capable = true;
1419				i2c_bus.mm_i2c = true;
1420				i2c_bus.i2c_id = 0xa0;
1421			} else
1422				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
1423			tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1424		}
1425	}
1426
1427	if (!tmds->i2c_bus) {
1428		DRM_INFO("No valid Ext TMDS info found in BIOS\n");
1429		return false;
1430	}
1431
1432	return true;
1433}
1434
1435bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
1436{
1437	struct radeon_device *rdev = dev->dev_private;
1438	struct radeon_i2c_bus_rec ddc_i2c;
1439	struct radeon_hpd hpd;
1440
1441	rdev->mode_info.connector_table = radeon_connector_table;
1442	if (rdev->mode_info.connector_table == CT_NONE) {
1443#ifdef CONFIG_PPC_PMAC
1444		if (of_machine_is_compatible("PowerBook3,3")) {
1445			/* powerbook with VGA */
1446			rdev->mode_info.connector_table = CT_POWERBOOK_VGA;
1447		} else if (of_machine_is_compatible("PowerBook3,4") ||
1448			   of_machine_is_compatible("PowerBook3,5")) {
1449			/* powerbook with internal tmds */
1450			rdev->mode_info.connector_table = CT_POWERBOOK_INTERNAL;
1451		} else if (of_machine_is_compatible("PowerBook5,1") ||
1452			   of_machine_is_compatible("PowerBook5,2") ||
1453			   of_machine_is_compatible("PowerBook5,3") ||
1454			   of_machine_is_compatible("PowerBook5,4") ||
1455			   of_machine_is_compatible("PowerBook5,5")) {
1456			/* powerbook with external single link tmds (sil164) */
1457			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1458		} else if (of_machine_is_compatible("PowerBook5,6")) {
1459			/* powerbook with external dual or single link tmds */
1460			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1461		} else if (of_machine_is_compatible("PowerBook5,7") ||
1462			   of_machine_is_compatible("PowerBook5,8") ||
1463			   of_machine_is_compatible("PowerBook5,9")) {
1464			/* PowerBook6,2 ? */
1465			/* powerbook with external dual link tmds (sil1178?) */
1466			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1467		} else if (of_machine_is_compatible("PowerBook4,1") ||
1468			   of_machine_is_compatible("PowerBook4,2") ||
1469			   of_machine_is_compatible("PowerBook4,3") ||
1470			   of_machine_is_compatible("PowerBook6,3") ||
1471			   of_machine_is_compatible("PowerBook6,5") ||
1472			   of_machine_is_compatible("PowerBook6,7")) {
1473			/* ibook */
1474			rdev->mode_info.connector_table = CT_IBOOK;
1475		} else if (of_machine_is_compatible("PowerMac4,4")) {
1476			/* emac */
1477			rdev->mode_info.connector_table = CT_EMAC;
1478		} else if (of_machine_is_compatible("PowerMac10,1")) {
1479			/* mini with internal tmds */
1480			rdev->mode_info.connector_table = CT_MINI_INTERNAL;
1481		} else if (of_machine_is_compatible("PowerMac10,2")) {
1482			/* mini with external tmds */
1483			rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
1484		} else if (of_machine_is_compatible("PowerMac12,1")) {
1485			/* PowerMac8,1 ? */
1486			/* imac g5 isight */
1487			rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
1488		} else if ((rdev->pdev->device == 0x4a48) &&
1489			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1490			   (rdev->pdev->subsystem_device == 0x4a48)) {
1491			/* Mac X800 */
1492			rdev->mode_info.connector_table = CT_MAC_X800;
1493		} else
1494#endif /* CONFIG_PPC_PMAC */
1495#ifdef CONFIG_PPC64
1496		if (ASIC_IS_RN50(rdev))
1497			rdev->mode_info.connector_table = CT_RN50_POWER;
1498		else
1499#endif
1500			rdev->mode_info.connector_table = CT_GENERIC;
1501	}
1502
1503	switch (rdev->mode_info.connector_table) {
1504	case CT_GENERIC:
1505		DRM_INFO("Connector Table: %d (generic)\n",
1506			 rdev->mode_info.connector_table);
1507		/* these are the most common settings */
1508		if (rdev->flags & RADEON_SINGLE_CRTC) {
1509			/* VGA - primary dac */
1510			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1511			hpd.hpd = RADEON_HPD_NONE;
1512			radeon_add_legacy_encoder(dev,
1513						  radeon_get_encoder_enum(dev,
1514									ATOM_DEVICE_CRT1_SUPPORT,
1515									1),
1516						  ATOM_DEVICE_CRT1_SUPPORT);
1517			radeon_add_legacy_connector(dev, 0,
1518						    ATOM_DEVICE_CRT1_SUPPORT,
1519						    DRM_MODE_CONNECTOR_VGA,
1520						    &ddc_i2c,
1521						    CONNECTOR_OBJECT_ID_VGA,
1522						    &hpd);
1523		} else if (rdev->flags & RADEON_IS_MOBILITY) {
1524			/* LVDS */
1525			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
1526			hpd.hpd = RADEON_HPD_NONE;
1527			radeon_add_legacy_encoder(dev,
1528						  radeon_get_encoder_enum(dev,
1529									ATOM_DEVICE_LCD1_SUPPORT,
1530									0),
1531						  ATOM_DEVICE_LCD1_SUPPORT);
1532			radeon_add_legacy_connector(dev, 0,
1533						    ATOM_DEVICE_LCD1_SUPPORT,
1534						    DRM_MODE_CONNECTOR_LVDS,
1535						    &ddc_i2c,
1536						    CONNECTOR_OBJECT_ID_LVDS,
1537						    &hpd);
1538
1539			/* VGA - primary dac */
1540			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1541			hpd.hpd = RADEON_HPD_NONE;
1542			radeon_add_legacy_encoder(dev,
1543						  radeon_get_encoder_enum(dev,
1544									ATOM_DEVICE_CRT1_SUPPORT,
1545									1),
1546						  ATOM_DEVICE_CRT1_SUPPORT);
1547			radeon_add_legacy_connector(dev, 1,
1548						    ATOM_DEVICE_CRT1_SUPPORT,
1549						    DRM_MODE_CONNECTOR_VGA,
1550						    &ddc_i2c,
1551						    CONNECTOR_OBJECT_ID_VGA,
1552						    &hpd);
1553		} else {
1554			/* DVI-I - tv dac, int tmds */
1555			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1556			hpd.hpd = RADEON_HPD_1;
1557			radeon_add_legacy_encoder(dev,
1558						  radeon_get_encoder_enum(dev,
1559									ATOM_DEVICE_DFP1_SUPPORT,
1560									0),
1561						  ATOM_DEVICE_DFP1_SUPPORT);
1562			radeon_add_legacy_encoder(dev,
1563						  radeon_get_encoder_enum(dev,
1564									ATOM_DEVICE_CRT2_SUPPORT,
1565									2),
1566						  ATOM_DEVICE_CRT2_SUPPORT);
1567			radeon_add_legacy_connector(dev, 0,
1568						    ATOM_DEVICE_DFP1_SUPPORT |
1569						    ATOM_DEVICE_CRT2_SUPPORT,
1570						    DRM_MODE_CONNECTOR_DVII,
1571						    &ddc_i2c,
1572						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1573						    &hpd);
1574
1575			/* VGA - primary dac */
1576			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1577			hpd.hpd = RADEON_HPD_NONE;
1578			radeon_add_legacy_encoder(dev,
1579						  radeon_get_encoder_enum(dev,
1580									ATOM_DEVICE_CRT1_SUPPORT,
1581									1),
1582						  ATOM_DEVICE_CRT1_SUPPORT);
1583			radeon_add_legacy_connector(dev, 1,
1584						    ATOM_DEVICE_CRT1_SUPPORT,
1585						    DRM_MODE_CONNECTOR_VGA,
1586						    &ddc_i2c,
1587						    CONNECTOR_OBJECT_ID_VGA,
1588						    &hpd);
1589		}
1590
1591		if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1592			/* TV - tv dac */
1593			ddc_i2c.valid = false;
1594			hpd.hpd = RADEON_HPD_NONE;
1595			radeon_add_legacy_encoder(dev,
1596						  radeon_get_encoder_enum(dev,
1597									ATOM_DEVICE_TV1_SUPPORT,
1598									2),
1599						  ATOM_DEVICE_TV1_SUPPORT);
1600			radeon_add_legacy_connector(dev, 2,
1601						    ATOM_DEVICE_TV1_SUPPORT,
1602						    DRM_MODE_CONNECTOR_SVIDEO,
1603						    &ddc_i2c,
1604						    CONNECTOR_OBJECT_ID_SVIDEO,
1605						    &hpd);
1606		}
1607		break;
1608	case CT_IBOOK:
1609		DRM_INFO("Connector Table: %d (ibook)\n",
1610			 rdev->mode_info.connector_table);
1611		/* LVDS */
1612		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1613		hpd.hpd = RADEON_HPD_NONE;
1614		radeon_add_legacy_encoder(dev,
1615					  radeon_get_encoder_enum(dev,
1616								ATOM_DEVICE_LCD1_SUPPORT,
1617								0),
1618					  ATOM_DEVICE_LCD1_SUPPORT);
1619		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1620					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1621					    CONNECTOR_OBJECT_ID_LVDS,
1622					    &hpd);
1623		/* VGA - TV DAC */
1624		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1625		hpd.hpd = RADEON_HPD_NONE;
1626		radeon_add_legacy_encoder(dev,
1627					  radeon_get_encoder_enum(dev,
1628								ATOM_DEVICE_CRT2_SUPPORT,
1629								2),
1630					  ATOM_DEVICE_CRT2_SUPPORT);
1631		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1632					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1633					    CONNECTOR_OBJECT_ID_VGA,
1634					    &hpd);
1635		/* TV - TV DAC */
1636		ddc_i2c.valid = false;
1637		hpd.hpd = RADEON_HPD_NONE;
1638		radeon_add_legacy_encoder(dev,
1639					  radeon_get_encoder_enum(dev,
1640								ATOM_DEVICE_TV1_SUPPORT,
1641								2),
1642					  ATOM_DEVICE_TV1_SUPPORT);
1643		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1644					    DRM_MODE_CONNECTOR_SVIDEO,
1645					    &ddc_i2c,
1646					    CONNECTOR_OBJECT_ID_SVIDEO,
1647					    &hpd);
1648		break;
1649	case CT_POWERBOOK_EXTERNAL:
1650		DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
1651			 rdev->mode_info.connector_table);
1652		/* LVDS */
1653		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1654		hpd.hpd = RADEON_HPD_NONE;
1655		radeon_add_legacy_encoder(dev,
1656					  radeon_get_encoder_enum(dev,
1657								ATOM_DEVICE_LCD1_SUPPORT,
1658								0),
1659					  ATOM_DEVICE_LCD1_SUPPORT);
1660		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1661					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1662					    CONNECTOR_OBJECT_ID_LVDS,
1663					    &hpd);
1664		/* DVI-I - primary dac, ext tmds */
1665		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1666		hpd.hpd = RADEON_HPD_2; /* ??? */
1667		radeon_add_legacy_encoder(dev,
1668					  radeon_get_encoder_enum(dev,
1669								ATOM_DEVICE_DFP2_SUPPORT,
1670								0),
1671					  ATOM_DEVICE_DFP2_SUPPORT);
1672		radeon_add_legacy_encoder(dev,
1673					  radeon_get_encoder_enum(dev,
1674								ATOM_DEVICE_CRT1_SUPPORT,
1675								1),
1676					  ATOM_DEVICE_CRT1_SUPPORT);
1677		/* XXX some are SL */
1678		radeon_add_legacy_connector(dev, 1,
1679					    ATOM_DEVICE_DFP2_SUPPORT |
1680					    ATOM_DEVICE_CRT1_SUPPORT,
1681					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1682					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
1683					    &hpd);
1684		/* TV - TV DAC */
1685		ddc_i2c.valid = false;
1686		hpd.hpd = RADEON_HPD_NONE;
1687		radeon_add_legacy_encoder(dev,
1688					  radeon_get_encoder_enum(dev,
1689								ATOM_DEVICE_TV1_SUPPORT,
1690								2),
1691					  ATOM_DEVICE_TV1_SUPPORT);
1692		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1693					    DRM_MODE_CONNECTOR_SVIDEO,
1694					    &ddc_i2c,
1695					    CONNECTOR_OBJECT_ID_SVIDEO,
1696					    &hpd);
1697		break;
1698	case CT_POWERBOOK_INTERNAL:
1699		DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
1700			 rdev->mode_info.connector_table);
1701		/* LVDS */
1702		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1703		hpd.hpd = RADEON_HPD_NONE;
1704		radeon_add_legacy_encoder(dev,
1705					  radeon_get_encoder_enum(dev,
1706								ATOM_DEVICE_LCD1_SUPPORT,
1707								0),
1708					  ATOM_DEVICE_LCD1_SUPPORT);
1709		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1710					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1711					    CONNECTOR_OBJECT_ID_LVDS,
1712					    &hpd);
1713		/* DVI-I - primary dac, int tmds */
1714		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1715		hpd.hpd = RADEON_HPD_1; /* ??? */
1716		radeon_add_legacy_encoder(dev,
1717					  radeon_get_encoder_enum(dev,
1718								ATOM_DEVICE_DFP1_SUPPORT,
1719								0),
1720					  ATOM_DEVICE_DFP1_SUPPORT);
1721		radeon_add_legacy_encoder(dev,
1722					  radeon_get_encoder_enum(dev,
1723								ATOM_DEVICE_CRT1_SUPPORT,
1724								1),
1725					  ATOM_DEVICE_CRT1_SUPPORT);
1726		radeon_add_legacy_connector(dev, 1,
1727					    ATOM_DEVICE_DFP1_SUPPORT |
1728					    ATOM_DEVICE_CRT1_SUPPORT,
1729					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1730					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1731					    &hpd);
1732		/* TV - TV DAC */
1733		ddc_i2c.valid = false;
1734		hpd.hpd = RADEON_HPD_NONE;
1735		radeon_add_legacy_encoder(dev,
1736					  radeon_get_encoder_enum(dev,
1737								ATOM_DEVICE_TV1_SUPPORT,
1738								2),
1739					  ATOM_DEVICE_TV1_SUPPORT);
1740		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1741					    DRM_MODE_CONNECTOR_SVIDEO,
1742					    &ddc_i2c,
1743					    CONNECTOR_OBJECT_ID_SVIDEO,
1744					    &hpd);
1745		break;
1746	case CT_POWERBOOK_VGA:
1747		DRM_INFO("Connector Table: %d (powerbook vga)\n",
1748			 rdev->mode_info.connector_table);
1749		/* LVDS */
1750		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1751		hpd.hpd = RADEON_HPD_NONE;
1752		radeon_add_legacy_encoder(dev,
1753					  radeon_get_encoder_enum(dev,
1754								ATOM_DEVICE_LCD1_SUPPORT,
1755								0),
1756					  ATOM_DEVICE_LCD1_SUPPORT);
1757		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1758					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1759					    CONNECTOR_OBJECT_ID_LVDS,
1760					    &hpd);
1761		/* VGA - primary dac */
1762		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1763		hpd.hpd = RADEON_HPD_NONE;
1764		radeon_add_legacy_encoder(dev,
1765					  radeon_get_encoder_enum(dev,
1766								ATOM_DEVICE_CRT1_SUPPORT,
1767								1),
1768					  ATOM_DEVICE_CRT1_SUPPORT);
1769		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
1770					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1771					    CONNECTOR_OBJECT_ID_VGA,
1772					    &hpd);
1773		/* TV - TV DAC */
1774		ddc_i2c.valid = false;
1775		hpd.hpd = RADEON_HPD_NONE;
1776		radeon_add_legacy_encoder(dev,
1777					  radeon_get_encoder_enum(dev,
1778								ATOM_DEVICE_TV1_SUPPORT,
1779								2),
1780					  ATOM_DEVICE_TV1_SUPPORT);
1781		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1782					    DRM_MODE_CONNECTOR_SVIDEO,
1783					    &ddc_i2c,
1784					    CONNECTOR_OBJECT_ID_SVIDEO,
1785					    &hpd);
1786		break;
1787	case CT_MINI_EXTERNAL:
1788		DRM_INFO("Connector Table: %d (mini external tmds)\n",
1789			 rdev->mode_info.connector_table);
1790		/* DVI-I - tv dac, ext tmds */
1791		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1792		hpd.hpd = RADEON_HPD_2; /* ??? */
1793		radeon_add_legacy_encoder(dev,
1794					  radeon_get_encoder_enum(dev,
1795								ATOM_DEVICE_DFP2_SUPPORT,
1796								0),
1797					  ATOM_DEVICE_DFP2_SUPPORT);
1798		radeon_add_legacy_encoder(dev,
1799					  radeon_get_encoder_enum(dev,
1800								ATOM_DEVICE_CRT2_SUPPORT,
1801								2),
1802					  ATOM_DEVICE_CRT2_SUPPORT);
1803		/* XXX are any DL? */
1804		radeon_add_legacy_connector(dev, 0,
1805					    ATOM_DEVICE_DFP2_SUPPORT |
1806					    ATOM_DEVICE_CRT2_SUPPORT,
1807					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1808					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1809					    &hpd);
1810		/* TV - TV DAC */
1811		ddc_i2c.valid = false;
1812		hpd.hpd = RADEON_HPD_NONE;
1813		radeon_add_legacy_encoder(dev,
1814					  radeon_get_encoder_enum(dev,
1815								ATOM_DEVICE_TV1_SUPPORT,
1816								2),
1817					  ATOM_DEVICE_TV1_SUPPORT);
1818		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1819					    DRM_MODE_CONNECTOR_SVIDEO,
1820					    &ddc_i2c,
1821					    CONNECTOR_OBJECT_ID_SVIDEO,
1822					    &hpd);
1823		break;
1824	case CT_MINI_INTERNAL:
1825		DRM_INFO("Connector Table: %d (mini internal tmds)\n",
1826			 rdev->mode_info.connector_table);
1827		/* DVI-I - tv dac, int tmds */
1828		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1829		hpd.hpd = RADEON_HPD_1; /* ??? */
1830		radeon_add_legacy_encoder(dev,
1831					  radeon_get_encoder_enum(dev,
1832								ATOM_DEVICE_DFP1_SUPPORT,
1833								0),
1834					  ATOM_DEVICE_DFP1_SUPPORT);
1835		radeon_add_legacy_encoder(dev,
1836					  radeon_get_encoder_enum(dev,
1837								ATOM_DEVICE_CRT2_SUPPORT,
1838								2),
1839					  ATOM_DEVICE_CRT2_SUPPORT);
1840		radeon_add_legacy_connector(dev, 0,
1841					    ATOM_DEVICE_DFP1_SUPPORT |
1842					    ATOM_DEVICE_CRT2_SUPPORT,
1843					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1844					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1845					    &hpd);
1846		/* TV - TV DAC */
1847		ddc_i2c.valid = false;
1848		hpd.hpd = RADEON_HPD_NONE;
1849		radeon_add_legacy_encoder(dev,
1850					  radeon_get_encoder_enum(dev,
1851								ATOM_DEVICE_TV1_SUPPORT,
1852								2),
1853					  ATOM_DEVICE_TV1_SUPPORT);
1854		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1855					    DRM_MODE_CONNECTOR_SVIDEO,
1856					    &ddc_i2c,
1857					    CONNECTOR_OBJECT_ID_SVIDEO,
1858					    &hpd);
1859		break;
1860	case CT_IMAC_G5_ISIGHT:
1861		DRM_INFO("Connector Table: %d (imac g5 isight)\n",
1862			 rdev->mode_info.connector_table);
1863		/* DVI-D - int tmds */
1864		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1865		hpd.hpd = RADEON_HPD_1; /* ??? */
1866		radeon_add_legacy_encoder(dev,
1867					  radeon_get_encoder_enum(dev,
1868								ATOM_DEVICE_DFP1_SUPPORT,
1869								0),
1870					  ATOM_DEVICE_DFP1_SUPPORT);
1871		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
1872					    DRM_MODE_CONNECTOR_DVID, &ddc_i2c,
1873					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
1874					    &hpd);
1875		/* VGA - tv dac */
1876		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1877		hpd.hpd = RADEON_HPD_NONE;
1878		radeon_add_legacy_encoder(dev,
1879					  radeon_get_encoder_enum(dev,
1880								ATOM_DEVICE_CRT2_SUPPORT,
1881								2),
1882					  ATOM_DEVICE_CRT2_SUPPORT);
1883		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1884					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1885					    CONNECTOR_OBJECT_ID_VGA,
1886					    &hpd);
1887		/* TV - TV DAC */
1888		ddc_i2c.valid = false;
1889		hpd.hpd = RADEON_HPD_NONE;
1890		radeon_add_legacy_encoder(dev,
1891					  radeon_get_encoder_enum(dev,
1892								ATOM_DEVICE_TV1_SUPPORT,
1893								2),
1894					  ATOM_DEVICE_TV1_SUPPORT);
1895		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1896					    DRM_MODE_CONNECTOR_SVIDEO,
1897					    &ddc_i2c,
1898					    CONNECTOR_OBJECT_ID_SVIDEO,
1899					    &hpd);
1900		break;
1901	case CT_EMAC:
1902		DRM_INFO("Connector Table: %d (emac)\n",
1903			 rdev->mode_info.connector_table);
1904		/* VGA - primary dac */
1905		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1906		hpd.hpd = RADEON_HPD_NONE;
1907		radeon_add_legacy_encoder(dev,
1908					  radeon_get_encoder_enum(dev,
1909								ATOM_DEVICE_CRT1_SUPPORT,
1910								1),
1911					  ATOM_DEVICE_CRT1_SUPPORT);
1912		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1913					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1914					    CONNECTOR_OBJECT_ID_VGA,
1915					    &hpd);
1916		/* VGA - tv dac */
1917		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1918		hpd.hpd = RADEON_HPD_NONE;
1919		radeon_add_legacy_encoder(dev,
1920					  radeon_get_encoder_enum(dev,
1921								ATOM_DEVICE_CRT2_SUPPORT,
1922								2),
1923					  ATOM_DEVICE_CRT2_SUPPORT);
1924		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1925					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1926					    CONNECTOR_OBJECT_ID_VGA,
1927					    &hpd);
1928		/* TV - TV DAC */
1929		ddc_i2c.valid = false;
1930		hpd.hpd = RADEON_HPD_NONE;
1931		radeon_add_legacy_encoder(dev,
1932					  radeon_get_encoder_enum(dev,
1933								ATOM_DEVICE_TV1_SUPPORT,
1934								2),
1935					  ATOM_DEVICE_TV1_SUPPORT);
1936		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1937					    DRM_MODE_CONNECTOR_SVIDEO,
1938					    &ddc_i2c,
1939					    CONNECTOR_OBJECT_ID_SVIDEO,
1940					    &hpd);
1941		break;
1942	case CT_RN50_POWER:
1943		DRM_INFO("Connector Table: %d (rn50-power)\n",
1944			 rdev->mode_info.connector_table);
1945		/* VGA - primary dac */
1946		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1947		hpd.hpd = RADEON_HPD_NONE;
1948		radeon_add_legacy_encoder(dev,
1949					  radeon_get_encoder_enum(dev,
1950								ATOM_DEVICE_CRT1_SUPPORT,
1951								1),
1952					  ATOM_DEVICE_CRT1_SUPPORT);
1953		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1954					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1955					    CONNECTOR_OBJECT_ID_VGA,
1956					    &hpd);
1957		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1958		hpd.hpd = RADEON_HPD_NONE;
1959		radeon_add_legacy_encoder(dev,
1960					  radeon_get_encoder_enum(dev,
1961								ATOM_DEVICE_CRT2_SUPPORT,
1962								2),
1963					  ATOM_DEVICE_CRT2_SUPPORT);
1964		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1965					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1966					    CONNECTOR_OBJECT_ID_VGA,
1967					    &hpd);
1968		break;
1969	case CT_MAC_X800:
1970		DRM_INFO("Connector Table: %d (mac x800)\n",
1971			 rdev->mode_info.connector_table);
1972		/* DVI - primary dac, internal tmds */
1973		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1974		hpd.hpd = RADEON_HPD_1; /* ??? */
1975		radeon_add_legacy_encoder(dev,
1976					  radeon_get_encoder_enum(dev,
1977								  ATOM_DEVICE_DFP1_SUPPORT,
1978								  0),
1979					  ATOM_DEVICE_DFP1_SUPPORT);
1980		radeon_add_legacy_encoder(dev,
1981					  radeon_get_encoder_enum(dev,
1982								  ATOM_DEVICE_CRT1_SUPPORT,
1983								  1),
1984					  ATOM_DEVICE_CRT1_SUPPORT);
1985		radeon_add_legacy_connector(dev, 0,
1986					    ATOM_DEVICE_DFP1_SUPPORT |
1987					    ATOM_DEVICE_CRT1_SUPPORT,
1988					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1989					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1990					    &hpd);
1991		/* DVI - tv dac, dvo */
1992		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1993		hpd.hpd = RADEON_HPD_2; /* ??? */
1994		radeon_add_legacy_encoder(dev,
1995					  radeon_get_encoder_enum(dev,
1996								  ATOM_DEVICE_DFP2_SUPPORT,
1997								  0),
1998					  ATOM_DEVICE_DFP2_SUPPORT);
1999		radeon_add_legacy_encoder(dev,
2000					  radeon_get_encoder_enum(dev,
2001								  ATOM_DEVICE_CRT2_SUPPORT,
2002								  2),
2003					  ATOM_DEVICE_CRT2_SUPPORT);
2004		radeon_add_legacy_connector(dev, 1,
2005					    ATOM_DEVICE_DFP2_SUPPORT |
2006					    ATOM_DEVICE_CRT2_SUPPORT,
2007					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2008					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
2009					    &hpd);
2010		break;
2011	default:
2012		DRM_INFO("Connector table: %d (invalid)\n",
2013			 rdev->mode_info.connector_table);
2014		return false;
2015	}
2016
2017	radeon_link_encoder_connector(dev);
2018
2019	return true;
2020}
2021
2022static bool radeon_apply_legacy_quirks(struct drm_device *dev,
2023				       int bios_index,
2024				       enum radeon_combios_connector
2025				       *legacy_connector,
2026				       struct radeon_i2c_bus_rec *ddc_i2c,
2027				       struct radeon_hpd *hpd)
2028{
2029
2030	/* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
2031	   one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
2032	if (dev->pdev->device == 0x515e &&
2033	    dev->pdev->subsystem_vendor == 0x1014) {
2034		if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
2035		    ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
2036			return false;
2037	}
2038
2039	/* X300 card with extra non-existent DVI port */
2040	if (dev->pdev->device == 0x5B60 &&
2041	    dev->pdev->subsystem_vendor == 0x17af &&
2042	    dev->pdev->subsystem_device == 0x201e && bios_index == 2) {
2043		if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
2044			return false;
2045	}
2046
2047	return true;
2048}
2049
2050static bool radeon_apply_legacy_tv_quirks(struct drm_device *dev)
2051{
2052	/* Acer 5102 has non-existent TV port */
2053	if (dev->pdev->device == 0x5975 &&
2054	    dev->pdev->subsystem_vendor == 0x1025 &&
2055	    dev->pdev->subsystem_device == 0x009f)
2056		return false;
2057
2058	/* HP dc5750 has non-existent TV port */
2059	if (dev->pdev->device == 0x5974 &&
2060	    dev->pdev->subsystem_vendor == 0x103c &&
2061	    dev->pdev->subsystem_device == 0x280a)
2062		return false;
2063
2064	/* MSI S270 has non-existent TV port */
2065	if (dev->pdev->device == 0x5955 &&
2066	    dev->pdev->subsystem_vendor == 0x1462 &&
2067	    dev->pdev->subsystem_device == 0x0131)
2068		return false;
2069
2070	return true;
2071}
2072
2073static uint16_t combios_check_dl_dvi(struct drm_device *dev, int is_dvi_d)
2074{
2075	struct radeon_device *rdev = dev->dev_private;
2076	uint32_t ext_tmds_info;
2077
2078	if (rdev->flags & RADEON_IS_IGP) {
2079		if (is_dvi_d)
2080			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2081		else
2082			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2083	}
2084	ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2085	if (ext_tmds_info) {
2086		uint8_t rev = RBIOS8(ext_tmds_info);
2087		uint8_t flags = RBIOS8(ext_tmds_info + 4 + 5);
2088		if (rev >= 3) {
2089			if (is_dvi_d)
2090				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2091			else
2092				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2093		} else {
2094			if (flags & 1) {
2095				if (is_dvi_d)
2096					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2097				else
2098					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2099			}
2100		}
2101	}
2102	if (is_dvi_d)
2103		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2104	else
2105		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2106}
2107
2108bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
2109{
2110	struct radeon_device *rdev = dev->dev_private;
2111	uint32_t conn_info, entry, devices;
2112	uint16_t tmp, connector_object_id;
2113	enum radeon_combios_ddc ddc_type;
2114	enum radeon_combios_connector connector;
2115	int i = 0;
2116	struct radeon_i2c_bus_rec ddc_i2c;
2117	struct radeon_hpd hpd;
2118
2119	conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
2120	if (conn_info) {
2121		for (i = 0; i < 4; i++) {
2122			entry = conn_info + 2 + i * 2;
2123
2124			if (!RBIOS16(entry))
2125				break;
2126
2127			tmp = RBIOS16(entry);
2128
2129			connector = (tmp >> 12) & 0xf;
2130
2131			ddc_type = (tmp >> 8) & 0xf;
2132			ddc_i2c = combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2133
2134			switch (connector) {
2135			case CONNECTOR_PROPRIETARY_LEGACY:
2136			case CONNECTOR_DVI_I_LEGACY:
2137			case CONNECTOR_DVI_D_LEGACY:
2138				if ((tmp >> 4) & 0x1)
2139					hpd.hpd = RADEON_HPD_2;
2140				else
2141					hpd.hpd = RADEON_HPD_1;
2142				break;
2143			default:
2144				hpd.hpd = RADEON_HPD_NONE;
2145				break;
2146			}
2147
2148			if (!radeon_apply_legacy_quirks(dev, i, &connector,
2149							&ddc_i2c, &hpd))
2150				continue;
2151
2152			switch (connector) {
2153			case CONNECTOR_PROPRIETARY_LEGACY:
2154				if ((tmp >> 4) & 0x1)
2155					devices = ATOM_DEVICE_DFP2_SUPPORT;
2156				else
2157					devices = ATOM_DEVICE_DFP1_SUPPORT;
2158				radeon_add_legacy_encoder(dev,
2159							  radeon_get_encoder_enum
2160							  (dev, devices, 0),
2161							  devices);
2162				radeon_add_legacy_connector(dev, i, devices,
2163							    legacy_connector_convert
2164							    [connector],
2165							    &ddc_i2c,
2166							    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
2167							    &hpd);
2168				break;
2169			case CONNECTOR_CRT_LEGACY:
2170				if (tmp & 0x1) {
2171					devices = ATOM_DEVICE_CRT2_SUPPORT;
2172					radeon_add_legacy_encoder(dev,
2173								  radeon_get_encoder_enum
2174								  (dev,
2175								   ATOM_DEVICE_CRT2_SUPPORT,
2176								   2),
2177								  ATOM_DEVICE_CRT2_SUPPORT);
2178				} else {
2179					devices = ATOM_DEVICE_CRT1_SUPPORT;
2180					radeon_add_legacy_encoder(dev,
2181								  radeon_get_encoder_enum
2182								  (dev,
2183								   ATOM_DEVICE_CRT1_SUPPORT,
2184								   1),
2185								  ATOM_DEVICE_CRT1_SUPPORT);
2186				}
2187				radeon_add_legacy_connector(dev,
2188							    i,
2189							    devices,
2190							    legacy_connector_convert
2191							    [connector],
2192							    &ddc_i2c,
2193							    CONNECTOR_OBJECT_ID_VGA,
2194							    &hpd);
2195				break;
2196			case CONNECTOR_DVI_I_LEGACY:
2197				devices = 0;
2198				if (tmp & 0x1) {
2199					devices |= ATOM_DEVICE_CRT2_SUPPORT;
2200					radeon_add_legacy_encoder(dev,
2201								  radeon_get_encoder_enum
2202								  (dev,
2203								   ATOM_DEVICE_CRT2_SUPPORT,
2204								   2),
2205								  ATOM_DEVICE_CRT2_SUPPORT);
2206				} else {
2207					devices |= ATOM_DEVICE_CRT1_SUPPORT;
2208					radeon_add_legacy_encoder(dev,
2209								  radeon_get_encoder_enum
2210								  (dev,
2211								   ATOM_DEVICE_CRT1_SUPPORT,
2212								   1),
2213								  ATOM_DEVICE_CRT1_SUPPORT);
2214				}
2215				if ((tmp >> 4) & 0x1) {
2216					devices |= ATOM_DEVICE_DFP2_SUPPORT;
2217					radeon_add_legacy_encoder(dev,
2218								  radeon_get_encoder_enum
2219								  (dev,
2220								   ATOM_DEVICE_DFP2_SUPPORT,
2221								   0),
2222								  ATOM_DEVICE_DFP2_SUPPORT);
2223					connector_object_id = combios_check_dl_dvi(dev, 0);
2224				} else {
2225					devices |= ATOM_DEVICE_DFP1_SUPPORT;
2226					radeon_add_legacy_encoder(dev,
2227								  radeon_get_encoder_enum
2228								  (dev,
2229								   ATOM_DEVICE_DFP1_SUPPORT,
2230								   0),
2231								  ATOM_DEVICE_DFP1_SUPPORT);
2232					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2233				}
2234				radeon_add_legacy_connector(dev,
2235							    i,
2236							    devices,
2237							    legacy_connector_convert
2238							    [connector],
2239							    &ddc_i2c,
2240							    connector_object_id,
2241							    &hpd);
2242				break;
2243			case CONNECTOR_DVI_D_LEGACY:
2244				if ((tmp >> 4) & 0x1) {
2245					devices = ATOM_DEVICE_DFP2_SUPPORT;
2246					connector_object_id = combios_check_dl_dvi(dev, 1);
2247				} else {
2248					devices = ATOM_DEVICE_DFP1_SUPPORT;
2249					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2250				}
2251				radeon_add_legacy_encoder(dev,
2252							  radeon_get_encoder_enum
2253							  (dev, devices, 0),
2254							  devices);
2255				radeon_add_legacy_connector(dev, i, devices,
2256							    legacy_connector_convert
2257							    [connector],
2258							    &ddc_i2c,
2259							    connector_object_id,
2260							    &hpd);
2261				break;
2262			case CONNECTOR_CTV_LEGACY:
2263			case CONNECTOR_STV_LEGACY:
2264				radeon_add_legacy_encoder(dev,
2265							  radeon_get_encoder_enum
2266							  (dev,
2267							   ATOM_DEVICE_TV1_SUPPORT,
2268							   2),
2269							  ATOM_DEVICE_TV1_SUPPORT);
2270				radeon_add_legacy_connector(dev, i,
2271							    ATOM_DEVICE_TV1_SUPPORT,
2272							    legacy_connector_convert
2273							    [connector],
2274							    &ddc_i2c,
2275							    CONNECTOR_OBJECT_ID_SVIDEO,
2276							    &hpd);
2277				break;
2278			default:
2279				DRM_ERROR("Unknown connector type: %d\n",
2280					  connector);
2281				continue;
2282			}
2283
2284		}
2285	} else {
2286		uint16_t tmds_info =
2287		    combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
2288		if (tmds_info) {
2289			DRM_DEBUG_KMS("Found DFP table, assuming DVI connector\n");
2290
2291			radeon_add_legacy_encoder(dev,
2292						  radeon_get_encoder_enum(dev,
2293									ATOM_DEVICE_CRT1_SUPPORT,
2294									1),
2295						  ATOM_DEVICE_CRT1_SUPPORT);
2296			radeon_add_legacy_encoder(dev,
2297						  radeon_get_encoder_enum(dev,
2298									ATOM_DEVICE_DFP1_SUPPORT,
2299									0),
2300						  ATOM_DEVICE_DFP1_SUPPORT);
2301
2302			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2303			hpd.hpd = RADEON_HPD_1;
2304			radeon_add_legacy_connector(dev,
2305						    0,
2306						    ATOM_DEVICE_CRT1_SUPPORT |
2307						    ATOM_DEVICE_DFP1_SUPPORT,
2308						    DRM_MODE_CONNECTOR_DVII,
2309						    &ddc_i2c,
2310						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2311						    &hpd);
2312		} else {
2313			uint16_t crt_info =
2314				combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
2315			DRM_DEBUG_KMS("Found CRT table, assuming VGA connector\n");
2316			if (crt_info) {
2317				radeon_add_legacy_encoder(dev,
2318							  radeon_get_encoder_enum(dev,
2319										ATOM_DEVICE_CRT1_SUPPORT,
2320										1),
2321							  ATOM_DEVICE_CRT1_SUPPORT);
2322				ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2323				hpd.hpd = RADEON_HPD_NONE;
2324				radeon_add_legacy_connector(dev,
2325							    0,
2326							    ATOM_DEVICE_CRT1_SUPPORT,
2327							    DRM_MODE_CONNECTOR_VGA,
2328							    &ddc_i2c,
2329							    CONNECTOR_OBJECT_ID_VGA,
2330							    &hpd);
2331			} else {
2332				DRM_DEBUG_KMS("No connector info found\n");
2333				return false;
2334			}
2335		}
2336	}
2337
2338	if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
2339		uint16_t lcd_info =
2340		    combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
2341		if (lcd_info) {
2342			uint16_t lcd_ddc_info =
2343			    combios_get_table_offset(dev,
2344						     COMBIOS_LCD_DDC_INFO_TABLE);
2345
2346			radeon_add_legacy_encoder(dev,
2347						  radeon_get_encoder_enum(dev,
2348									ATOM_DEVICE_LCD1_SUPPORT,
2349									0),
2350						  ATOM_DEVICE_LCD1_SUPPORT);
2351
2352			if (lcd_ddc_info) {
2353				ddc_type = RBIOS8(lcd_ddc_info + 2);
2354				switch (ddc_type) {
2355				case DDC_LCD:
2356					ddc_i2c =
2357						combios_setup_i2c_bus(rdev,
2358								      DDC_LCD,
2359								      RBIOS32(lcd_ddc_info + 3),
2360								      RBIOS32(lcd_ddc_info + 7));
2361					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2362					break;
2363				case DDC_GPIO:
2364					ddc_i2c =
2365						combios_setup_i2c_bus(rdev,
2366								      DDC_GPIO,
2367								      RBIOS32(lcd_ddc_info + 3),
2368								      RBIOS32(lcd_ddc_info + 7));
2369					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2370					break;
2371				default:
2372					ddc_i2c =
2373						combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2374					break;
2375				}
2376				DRM_DEBUG_KMS("LCD DDC Info Table found!\n");
2377			} else
2378				ddc_i2c.valid = false;
2379
2380			hpd.hpd = RADEON_HPD_NONE;
2381			radeon_add_legacy_connector(dev,
2382						    5,
2383						    ATOM_DEVICE_LCD1_SUPPORT,
2384						    DRM_MODE_CONNECTOR_LVDS,
2385						    &ddc_i2c,
2386						    CONNECTOR_OBJECT_ID_LVDS,
2387						    &hpd);
2388		}
2389	}
2390
2391	/* check TV table */
2392	if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
2393		uint32_t tv_info =
2394		    combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
2395		if (tv_info) {
2396			if (RBIOS8(tv_info + 6) == 'T') {
2397				if (radeon_apply_legacy_tv_quirks(dev)) {
2398					hpd.hpd = RADEON_HPD_NONE;
2399					ddc_i2c.valid = false;
2400					radeon_add_legacy_encoder(dev,
2401								  radeon_get_encoder_enum
2402								  (dev,
2403								   ATOM_DEVICE_TV1_SUPPORT,
2404								   2),
2405								  ATOM_DEVICE_TV1_SUPPORT);
2406					radeon_add_legacy_connector(dev, 6,
2407								    ATOM_DEVICE_TV1_SUPPORT,
2408								    DRM_MODE_CONNECTOR_SVIDEO,
2409								    &ddc_i2c,
2410								    CONNECTOR_OBJECT_ID_SVIDEO,
2411								    &hpd);
2412				}
2413			}
2414		}
2415	}
2416
2417	radeon_link_encoder_connector(dev);
2418
2419	return true;
2420}
2421
2422void radeon_combios_get_power_modes(struct radeon_device *rdev)
2423{
2424	struct drm_device *dev = rdev->ddev;
2425	u16 offset, misc, misc2 = 0;
2426	u8 rev, blocks, tmp;
2427	int state_index = 0;
2428
2429	rdev->pm.default_power_state_index = -1;
2430
2431	if (rdev->flags & RADEON_IS_MOBILITY) {
2432		offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
2433		if (offset) {
2434			rev = RBIOS8(offset);
2435			blocks = RBIOS8(offset + 0x2);
2436			/* power mode 0 tends to be the only valid one */
2437			rdev->pm.power_state[state_index].num_clock_modes = 1;
2438			rdev->pm.power_state[state_index].clock_info[0].mclk = RBIOS32(offset + 0x5 + 0x2);
2439			rdev->pm.power_state[state_index].clock_info[0].sclk = RBIOS32(offset + 0x5 + 0x6);
2440			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2441			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2442				goto default_mode;
2443			rdev->pm.power_state[state_index].type =
2444				POWER_STATE_TYPE_BATTERY;
2445			misc = RBIOS16(offset + 0x5 + 0x0);
2446			if (rev > 4)
2447				misc2 = RBIOS16(offset + 0x5 + 0xe);
2448			rdev->pm.power_state[state_index].misc = misc;
2449			rdev->pm.power_state[state_index].misc2 = misc2;
2450			if (misc & 0x4) {
2451				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
2452				if (misc & 0x8)
2453					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2454						true;
2455				else
2456					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2457						false;
2458				rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = true;
2459				if (rev < 6) {
2460					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2461						RBIOS16(offset + 0x5 + 0xb) * 4;
2462					tmp = RBIOS8(offset + 0x5 + 0xd);
2463					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2464				} else {
2465					u8 entries = RBIOS8(offset + 0x5 + 0xb);
2466					u16 voltage_table_offset = RBIOS16(offset + 0x5 + 0xc);
2467					if (entries && voltage_table_offset) {
2468						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2469							RBIOS16(voltage_table_offset) * 4;
2470						tmp = RBIOS8(voltage_table_offset + 0x2);
2471						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2472					} else
2473						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = false;
2474				}
2475				switch ((misc2 & 0x700) >> 8) {
2476				case 0:
2477				default:
2478					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 0;
2479					break;
2480				case 1:
2481					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 33;
2482					break;
2483				case 2:
2484					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 66;
2485					break;
2486				case 3:
2487					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 99;
2488					break;
2489				case 4:
2490					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 132;
2491					break;
2492				}
2493			} else
2494				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2495			if (rev > 6)
2496				rdev->pm.power_state[state_index].pcie_lanes =
2497					RBIOS8(offset + 0x5 + 0x10);
2498			rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2499			state_index++;
2500		} else {
2501			/* XXX figure out some good default low power mode for mobility cards w/out power tables */
2502		}
2503	} else {
2504		/* XXX figure out some good default low power mode for desktop cards */
2505	}
2506
2507default_mode:
2508	/* add the default mode */
2509	rdev->pm.power_state[state_index].type =
2510		POWER_STATE_TYPE_DEFAULT;
2511	rdev->pm.power_state[state_index].num_clock_modes = 1;
2512	rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
2513	rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
2514	rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
2515	if ((state_index > 0) &&
2516	    (rdev->pm.power_state[0].clock_info[0].voltage.type == VOLTAGE_GPIO))
2517		rdev->pm.power_state[state_index].clock_info[0].voltage =
2518			rdev->pm.power_state[0].clock_info[0].voltage;
2519	else
2520		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2521	rdev->pm.power_state[state_index].pcie_lanes = 16;
2522	rdev->pm.power_state[state_index].flags = 0;
2523	rdev->pm.default_power_state_index = state_index;
2524	rdev->pm.num_power_states = state_index + 1;
2525
2526	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2527	rdev->pm.current_clock_mode_index = 0;
2528}
2529
2530void radeon_external_tmds_setup(struct drm_encoder *encoder)
2531{
2532	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2533	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2534
2535	if (!tmds)
2536		return;
2537
2538	switch (tmds->dvo_chip) {
2539	case DVO_SIL164:
2540		/* sil 164 */
2541		radeon_i2c_put_byte(tmds->i2c_bus,
2542				    tmds->slave_addr,
2543				    0x08, 0x30);
2544		radeon_i2c_put_byte(tmds->i2c_bus,
2545				       tmds->slave_addr,
2546				       0x09, 0x00);
2547		radeon_i2c_put_byte(tmds->i2c_bus,
2548				    tmds->slave_addr,
2549				    0x0a, 0x90);
2550		radeon_i2c_put_byte(tmds->i2c_bus,
2551				    tmds->slave_addr,
2552				    0x0c, 0x89);
2553		radeon_i2c_put_byte(tmds->i2c_bus,
2554				       tmds->slave_addr,
2555				       0x08, 0x3b);
2556		break;
2557	case DVO_SIL1178:
2558		/* sil 1178 - untested */
2559		/*
2560		 * 0x0f, 0x44
2561		 * 0x0f, 0x4c
2562		 * 0x0e, 0x01
2563		 * 0x0a, 0x80
2564		 * 0x09, 0x30
2565		 * 0x0c, 0xc9
2566		 * 0x0d, 0x70
2567		 * 0x08, 0x32
2568		 * 0x08, 0x33
2569		 */
2570		break;
2571	default:
2572		break;
2573	}
2574
2575}
2576
2577bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
2578{
2579	struct drm_device *dev = encoder->dev;
2580	struct radeon_device *rdev = dev->dev_private;
2581	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2582	uint16_t offset;
2583	uint8_t blocks, slave_addr, rev;
2584	uint32_t index, id;
2585	uint32_t reg, val, and_mask, or_mask;
2586	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2587
2588	if (!tmds)
2589		return false;
2590
2591	if (rdev->flags & RADEON_IS_IGP) {
2592		offset = combios_get_table_offset(dev, COMBIOS_TMDS_POWER_ON_TABLE);
2593		rev = RBIOS8(offset);
2594		if (offset) {
2595			rev = RBIOS8(offset);
2596			if (rev > 1) {
2597				blocks = RBIOS8(offset + 3);
2598				index = offset + 4;
2599				while (blocks > 0) {
2600					id = RBIOS16(index);
2601					index += 2;
2602					switch (id >> 13) {
2603					case 0:
2604						reg = (id & 0x1fff) * 4;
2605						val = RBIOS32(index);
2606						index += 4;
2607						WREG32(reg, val);
2608						break;
2609					case 2:
2610						reg = (id & 0x1fff) * 4;
2611						and_mask = RBIOS32(index);
2612						index += 4;
2613						or_mask = RBIOS32(index);
2614						index += 4;
2615						val = RREG32(reg);
2616						val = (val & and_mask) | or_mask;
2617						WREG32(reg, val);
2618						break;
2619					case 3:
2620						val = RBIOS16(index);
2621						index += 2;
2622						udelay(val);
2623						break;
2624					case 4:
2625						val = RBIOS16(index);
2626						index += 2;
2627						udelay(val * 1000);
2628						break;
2629					case 6:
2630						slave_addr = id & 0xff;
2631						slave_addr >>= 1; /* 7 bit addressing */
2632						index++;
2633						reg = RBIOS8(index);
2634						index++;
2635						val = RBIOS8(index);
2636						index++;
2637						radeon_i2c_put_byte(tmds->i2c_bus,
2638								    slave_addr,
2639								    reg, val);
2640						break;
2641					default:
2642						DRM_ERROR("Unknown id %d\n", id >> 13);
2643						break;
2644					}
2645					blocks--;
2646				}
2647				return true;
2648			}
2649		}
2650	} else {
2651		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2652		if (offset) {
2653			index = offset + 10;
2654			id = RBIOS16(index);
2655			while (id != 0xffff) {
2656				index += 2;
2657				switch (id >> 13) {
2658				case 0:
2659					reg = (id & 0x1fff) * 4;
2660					val = RBIOS32(index);
2661					WREG32(reg, val);
2662					break;
2663				case 2:
2664					reg = (id & 0x1fff) * 4;
2665					and_mask = RBIOS32(index);
2666					index += 4;
2667					or_mask = RBIOS32(index);
2668					index += 4;
2669					val = RREG32(reg);
2670					val = (val & and_mask) | or_mask;
2671					WREG32(reg, val);
2672					break;
2673				case 4:
2674					val = RBIOS16(index);
2675					index += 2;
2676					udelay(val);
2677					break;
2678				case 5:
2679					reg = id & 0x1fff;
2680					and_mask = RBIOS32(index);
2681					index += 4;
2682					or_mask = RBIOS32(index);
2683					index += 4;
2684					val = RREG32_PLL(reg);
2685					val = (val & and_mask) | or_mask;
2686					WREG32_PLL(reg, val);
2687					break;
2688				case 6:
2689					reg = id & 0x1fff;
2690					val = RBIOS8(index);
2691					index += 1;
2692					radeon_i2c_put_byte(tmds->i2c_bus,
2693							    tmds->slave_addr,
2694							    reg, val);
2695					break;
2696				default:
2697					DRM_ERROR("Unknown id %d\n", id >> 13);
2698					break;
2699				}
2700				id = RBIOS16(index);
2701			}
2702			return true;
2703		}
2704	}
2705	return false;
2706}
2707
2708static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
2709{
2710	struct radeon_device *rdev = dev->dev_private;
2711
2712	if (offset) {
2713		while (RBIOS16(offset)) {
2714			uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
2715			uint32_t addr = (RBIOS16(offset) & 0x1fff);
2716			uint32_t val, and_mask, or_mask;
2717			uint32_t tmp;
2718
2719			offset += 2;
2720			switch (cmd) {
2721			case 0:
2722				val = RBIOS32(offset);
2723				offset += 4;
2724				WREG32(addr, val);
2725				break;
2726			case 1:
2727				val = RBIOS32(offset);
2728				offset += 4;
2729				WREG32(addr, val);
2730				break;
2731			case 2:
2732				and_mask = RBIOS32(offset);
2733				offset += 4;
2734				or_mask = RBIOS32(offset);
2735				offset += 4;
2736				tmp = RREG32(addr);
2737				tmp &= and_mask;
2738				tmp |= or_mask;
2739				WREG32(addr, tmp);
2740				break;
2741			case 3:
2742				and_mask = RBIOS32(offset);
2743				offset += 4;
2744				or_mask = RBIOS32(offset);
2745				offset += 4;
2746				tmp = RREG32(addr);
2747				tmp &= and_mask;
2748				tmp |= or_mask;
2749				WREG32(addr, tmp);
2750				break;
2751			case 4:
2752				val = RBIOS16(offset);
2753				offset += 2;
2754				udelay(val);
2755				break;
2756			case 5:
2757				val = RBIOS16(offset);
2758				offset += 2;
2759				switch (addr) {
2760				case 8:
2761					while (val--) {
2762						if (!
2763						    (RREG32_PLL
2764						     (RADEON_CLK_PWRMGT_CNTL) &
2765						     RADEON_MC_BUSY))
2766							break;
2767					}
2768					break;
2769				case 9:
2770					while (val--) {
2771						if ((RREG32(RADEON_MC_STATUS) &
2772						     RADEON_MC_IDLE))
2773							break;
2774					}
2775					break;
2776				default:
2777					break;
2778				}
2779				break;
2780			default:
2781				break;
2782			}
2783		}
2784	}
2785}
2786
2787static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
2788{
2789	struct radeon_device *rdev = dev->dev_private;
2790
2791	if (offset) {
2792		while (RBIOS8(offset)) {
2793			uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
2794			uint8_t addr = (RBIOS8(offset) & 0x3f);
2795			uint32_t val, shift, tmp;
2796			uint32_t and_mask, or_mask;
2797
2798			offset++;
2799			switch (cmd) {
2800			case 0:
2801				val = RBIOS32(offset);
2802				offset += 4;
2803				WREG32_PLL(addr, val);
2804				break;
2805			case 1:
2806				shift = RBIOS8(offset) * 8;
2807				offset++;
2808				and_mask = RBIOS8(offset) << shift;
2809				and_mask |= ~(0xff << shift);
2810				offset++;
2811				or_mask = RBIOS8(offset) << shift;
2812				offset++;
2813				tmp = RREG32_PLL(addr);
2814				tmp &= and_mask;
2815				tmp |= or_mask;
2816				WREG32_PLL(addr, tmp);
2817				break;
2818			case 2:
2819			case 3:
2820				tmp = 1000;
2821				switch (addr) {
2822				case 1:
2823					udelay(150);
2824					break;
2825				case 2:
2826					udelay(1000);
2827					break;
2828				case 3:
2829					while (tmp--) {
2830						if (!
2831						    (RREG32_PLL
2832						     (RADEON_CLK_PWRMGT_CNTL) &
2833						     RADEON_MC_BUSY))
2834							break;
2835					}
2836					break;
2837				case 4:
2838					while (tmp--) {
2839						if (RREG32_PLL
2840						    (RADEON_CLK_PWRMGT_CNTL) &
2841						    RADEON_DLL_READY)
2842							break;
2843					}
2844					break;
2845				case 5:
2846					tmp =
2847					    RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
2848					if (tmp & RADEON_CG_NO1_DEBUG_0) {
2849#if 0
2850						uint32_t mclk_cntl =
2851						    RREG32_PLL
2852						    (RADEON_MCLK_CNTL);
2853						mclk_cntl &= 0xffff0000;
2854						/*mclk_cntl |= 0x00001111;*//* ??? */
2855						WREG32_PLL(RADEON_MCLK_CNTL,
2856							   mclk_cntl);
2857						udelay(10000);
2858#endif
2859						WREG32_PLL
2860						    (RADEON_CLK_PWRMGT_CNTL,
2861						     tmp &
2862						     ~RADEON_CG_NO1_DEBUG_0);
2863						udelay(10000);
2864					}
2865					break;
2866				default:
2867					break;
2868				}
2869				break;
2870			default:
2871				break;
2872			}
2873		}
2874	}
2875}
2876
2877static void combios_parse_ram_reset_table(struct drm_device *dev,
2878					  uint16_t offset)
2879{
2880	struct radeon_device *rdev = dev->dev_private;
2881	uint32_t tmp;
2882
2883	if (offset) {
2884		uint8_t val = RBIOS8(offset);
2885		while (val != 0xff) {
2886			offset++;
2887
2888			if (val == 0x0f) {
2889				uint32_t channel_complete_mask;
2890
2891				if (ASIC_IS_R300(rdev))
2892					channel_complete_mask =
2893					    R300_MEM_PWRUP_COMPLETE;
2894				else
2895					channel_complete_mask =
2896					    RADEON_MEM_PWRUP_COMPLETE;
2897				tmp = 20000;
2898				while (tmp--) {
2899					if ((RREG32(RADEON_MEM_STR_CNTL) &
2900					     channel_complete_mask) ==
2901					    channel_complete_mask)
2902						break;
2903				}
2904			} else {
2905				uint32_t or_mask = RBIOS16(offset);
2906				offset += 2;
2907
2908				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2909				tmp &= RADEON_SDRAM_MODE_MASK;
2910				tmp |= or_mask;
2911				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
2912
2913				or_mask = val << 24;
2914				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2915				tmp &= RADEON_B3MEM_RESET_MASK;
2916				tmp |= or_mask;
2917				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
2918			}
2919			val = RBIOS8(offset);
2920		}
2921	}
2922}
2923
2924static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
2925				   int mem_addr_mapping)
2926{
2927	struct radeon_device *rdev = dev->dev_private;
2928	uint32_t mem_cntl;
2929	uint32_t mem_size;
2930	uint32_t addr = 0;
2931
2932	mem_cntl = RREG32(RADEON_MEM_CNTL);
2933	if (mem_cntl & RV100_HALF_MODE)
2934		ram /= 2;
2935	mem_size = ram;
2936	mem_cntl &= ~(0xff << 8);
2937	mem_cntl |= (mem_addr_mapping & 0xff) << 8;
2938	WREG32(RADEON_MEM_CNTL, mem_cntl);
2939	RREG32(RADEON_MEM_CNTL);
2940
2941	/* sdram reset ? */
2942
2943	/* something like this????  */
2944	while (ram--) {
2945		addr = ram * 1024 * 1024;
2946		/* write to each page */
2947		WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
2948		WREG32(RADEON_MM_DATA, 0xdeadbeef);
2949		/* read back and verify */
2950		WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
2951		if (RREG32(RADEON_MM_DATA) != 0xdeadbeef)
2952			return 0;
2953	}
2954
2955	return mem_size;
2956}
2957
2958static void combios_write_ram_size(struct drm_device *dev)
2959{
2960	struct radeon_device *rdev = dev->dev_private;
2961	uint8_t rev;
2962	uint16_t offset;
2963	uint32_t mem_size = 0;
2964	uint32_t mem_cntl = 0;
2965
2966	/* should do something smarter here I guess... */
2967	if (rdev->flags & RADEON_IS_IGP)
2968		return;
2969
2970	/* first check detected mem table */
2971	offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
2972	if (offset) {
2973		rev = RBIOS8(offset);
2974		if (rev < 3) {
2975			mem_cntl = RBIOS32(offset + 1);
2976			mem_size = RBIOS16(offset + 5);
2977			if ((rdev->family < CHIP_R200) &&
2978			    !ASIC_IS_RN50(rdev))
2979				WREG32(RADEON_MEM_CNTL, mem_cntl);
2980		}
2981	}
2982
2983	if (!mem_size) {
2984		offset =
2985		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
2986		if (offset) {
2987			rev = RBIOS8(offset - 1);
2988			if (rev < 1) {
2989				if ((rdev->family < CHIP_R200)
2990				    && !ASIC_IS_RN50(rdev)) {
2991					int ram = 0;
2992					int mem_addr_mapping = 0;
2993
2994					while (RBIOS8(offset)) {
2995						ram = RBIOS8(offset);
2996						mem_addr_mapping =
2997						    RBIOS8(offset + 1);
2998						if (mem_addr_mapping != 0x25)
2999							ram *= 2;
3000						mem_size =
3001						    combios_detect_ram(dev, ram,
3002								       mem_addr_mapping);
3003						if (mem_size)
3004							break;
3005						offset += 2;
3006					}
3007				} else
3008					mem_size = RBIOS8(offset);
3009			} else {
3010				mem_size = RBIOS8(offset);
3011				mem_size *= 2;	/* convert to MB */
3012			}
3013		}
3014	}
3015
3016	mem_size *= (1024 * 1024);	/* convert to bytes */
3017	WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
3018}
3019
3020void radeon_combios_dyn_clk_setup(struct drm_device *dev, int enable)
3021{
3022	uint16_t dyn_clk_info =
3023	    combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3024
3025	if (dyn_clk_info)
3026		combios_parse_pll_table(dev, dyn_clk_info);
3027}
3028
3029void radeon_combios_asic_init(struct drm_device *dev)
3030{
3031	struct radeon_device *rdev = dev->dev_private;
3032	uint16_t table;
3033
3034	/* port hardcoded mac stuff from radeonfb */
3035	if (rdev->bios == NULL)
3036		return;
3037
3038	/* ASIC INIT 1 */
3039	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE);
3040	if (table)
3041		combios_parse_mmio_table(dev, table);
3042
3043	/* PLL INIT */
3044	table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE);
3045	if (table)
3046		combios_parse_pll_table(dev, table);
3047
3048	/* ASIC INIT 2 */
3049	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE);
3050	if (table)
3051		combios_parse_mmio_table(dev, table);
3052
3053	if (!(rdev->flags & RADEON_IS_IGP)) {
3054		/* ASIC INIT 4 */
3055		table =
3056		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE);
3057		if (table)
3058			combios_parse_mmio_table(dev, table);
3059
3060		/* RAM RESET */
3061		table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE);
3062		if (table)
3063			combios_parse_ram_reset_table(dev, table);
3064
3065		/* ASIC INIT 3 */
3066		table =
3067		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE);
3068		if (table)
3069			combios_parse_mmio_table(dev, table);
3070
3071		/* write CONFIG_MEMSIZE */
3072		combios_write_ram_size(dev);
3073	}
3074
3075	/* quirk for rs4xx HP nx6125 laptop to make it resume
3076	 * - it hangs on resume inside the dynclk 1 table.
3077	 */
3078	if (rdev->family == CHIP_RS480 &&
3079	    rdev->pdev->subsystem_vendor == 0x103c &&
3080	    rdev->pdev->subsystem_device == 0x308b)
3081		return;
3082
3083	/* quirk for rs4xx HP dv5000 laptop to make it resume
3084	 * - it hangs on resume inside the dynclk 1 table.
3085	 */
3086	if (rdev->family == CHIP_RS480 &&
3087	    rdev->pdev->subsystem_vendor == 0x103c &&
3088	    rdev->pdev->subsystem_device == 0x30a4)
3089		return;
3090
3091	/* DYN CLK 1 */
3092	table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3093	if (table)
3094		combios_parse_pll_table(dev, table);
3095
3096}
3097
3098void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
3099{
3100	struct radeon_device *rdev = dev->dev_private;
3101	uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
3102
3103	bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
3104	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3105	bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
3106
3107	/* let the bios control the backlight */
3108	bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
3109
3110	/* tell the bios not to handle mode switching */
3111	bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
3112			   RADEON_ACC_MODE_CHANGE);
3113
3114	/* tell the bios a driver is loaded */
3115	bios_7_scratch |= RADEON_DRV_LOADED;
3116
3117	WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
3118	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3119	WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
3120}
3121
3122void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
3123{
3124	struct drm_device *dev = encoder->dev;
3125	struct radeon_device *rdev = dev->dev_private;
3126	uint32_t bios_6_scratch;
3127
3128	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3129
3130	if (lock)
3131		bios_6_scratch |= RADEON_DRIVER_CRITICAL;
3132	else
3133		bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
3134
3135	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3136}
3137
3138void
3139radeon_combios_connected_scratch_regs(struct drm_connector *connector,
3140				      struct drm_encoder *encoder,
3141				      bool connected)
3142{
3143	struct drm_device *dev = connector->dev;
3144	struct radeon_device *rdev = dev->dev_private;
3145	struct radeon_connector *radeon_connector =
3146	    to_radeon_connector(connector);
3147	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3148	uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
3149	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3150
3151	if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
3152	    (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
3153		if (connected) {
3154			DRM_DEBUG_KMS("TV1 connected\n");
3155			/* fix me */
3156			bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
3157			/*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
3158			bios_5_scratch |= RADEON_TV1_ON;
3159			bios_5_scratch |= RADEON_ACC_REQ_TV1;
3160		} else {
3161			DRM_DEBUG_KMS("TV1 disconnected\n");
3162			bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
3163			bios_5_scratch &= ~RADEON_TV1_ON;
3164			bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
3165		}
3166	}
3167	if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
3168	    (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
3169		if (connected) {
3170			DRM_DEBUG_KMS("LCD1 connected\n");
3171			bios_4_scratch |= RADEON_LCD1_ATTACHED;
3172			bios_5_scratch |= RADEON_LCD1_ON;
3173			bios_5_scratch |= RADEON_ACC_REQ_LCD1;
3174		} else {
3175			DRM_DEBUG_KMS("LCD1 disconnected\n");
3176			bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
3177			bios_5_scratch &= ~RADEON_LCD1_ON;
3178			bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
3179		}
3180	}
3181	if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
3182	    (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
3183		if (connected) {
3184			DRM_DEBUG_KMS("CRT1 connected\n");
3185			bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
3186			bios_5_scratch |= RADEON_CRT1_ON;
3187			bios_5_scratch |= RADEON_ACC_REQ_CRT1;
3188		} else {
3189			DRM_DEBUG_KMS("CRT1 disconnected\n");
3190			bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
3191			bios_5_scratch &= ~RADEON_CRT1_ON;
3192			bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
3193		}
3194	}
3195	if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
3196	    (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
3197		if (connected) {
3198			DRM_DEBUG_KMS("CRT2 connected\n");
3199			bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
3200			bios_5_scratch |= RADEON_CRT2_ON;
3201			bios_5_scratch |= RADEON_ACC_REQ_CRT2;
3202		} else {
3203			DRM_DEBUG_KMS("CRT2 disconnected\n");
3204			bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
3205			bios_5_scratch &= ~RADEON_CRT2_ON;
3206			bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
3207		}
3208	}
3209	if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
3210	    (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
3211		if (connected) {
3212			DRM_DEBUG_KMS("DFP1 connected\n");
3213			bios_4_scratch |= RADEON_DFP1_ATTACHED;
3214			bios_5_scratch |= RADEON_DFP1_ON;
3215			bios_5_scratch |= RADEON_ACC_REQ_DFP1;
3216		} else {
3217			DRM_DEBUG_KMS("DFP1 disconnected\n");
3218			bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
3219			bios_5_scratch &= ~RADEON_DFP1_ON;
3220			bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
3221		}
3222	}
3223	if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
3224	    (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
3225		if (connected) {
3226			DRM_DEBUG_KMS("DFP2 connected\n");
3227			bios_4_scratch |= RADEON_DFP2_ATTACHED;
3228			bios_5_scratch |= RADEON_DFP2_ON;
3229			bios_5_scratch |= RADEON_ACC_REQ_DFP2;
3230		} else {
3231			DRM_DEBUG_KMS("DFP2 disconnected\n");
3232			bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
3233			bios_5_scratch &= ~RADEON_DFP2_ON;
3234			bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
3235		}
3236	}
3237	WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
3238	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3239}
3240
3241void
3242radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
3243{
3244	struct drm_device *dev = encoder->dev;
3245	struct radeon_device *rdev = dev->dev_private;
3246	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3247	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3248
3249	if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
3250		bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
3251		bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
3252	}
3253	if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
3254		bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
3255		bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
3256	}
3257	if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
3258		bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
3259		bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
3260	}
3261	if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
3262		bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
3263		bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
3264	}
3265	if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
3266		bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
3267		bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
3268	}
3269	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
3270		bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
3271		bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
3272	}
3273	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3274}
3275
3276void
3277radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
3278{
3279	struct drm_device *dev = encoder->dev;
3280	struct radeon_device *rdev = dev->dev_private;
3281	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3282	uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3283
3284	if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
3285		if (on)
3286			bios_6_scratch |= RADEON_TV_DPMS_ON;
3287		else
3288			bios_6_scratch &= ~RADEON_TV_DPMS_ON;
3289	}
3290	if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3291		if (on)
3292			bios_6_scratch |= RADEON_CRT_DPMS_ON;
3293		else
3294			bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
3295	}
3296	if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3297		if (on)
3298			bios_6_scratch |= RADEON_LCD_DPMS_ON;
3299		else
3300			bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
3301	}
3302	if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
3303		if (on)
3304			bios_6_scratch |= RADEON_DFP_DPMS_ON;
3305		else
3306			bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
3307	}
3308	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3309}
3310