1/*
2 * Copyright 2004 ATI Technologies Inc., Markham, Ontario
3 * Copyright 2007-8 Advanced Micro Devices, Inc.
4 * Copyright 2008 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Dave Airlie
25 *          Alex Deucher
26 */
27
28#include <linux/pci.h>
29
30#include <drm/drm_device.h>
31#include <drm/radeon_drm.h>
32
33#include "radeon.h"
34#include "radeon_legacy_encoders.h"
35#include "atom.h"
36
37#ifdef CONFIG_PPC_PMAC
38/* not sure which of these are needed */
39#include <asm/machdep.h>
40#include <asm/pmac_feature.h>
41#include <asm/prom.h>
42#endif /* CONFIG_PPC_PMAC */
43
44/* old legacy ATI BIOS routines */
45
46/* COMBIOS table offsets */
47enum radeon_combios_table_offset {
48	/* absolute offset tables */
49	COMBIOS_ASIC_INIT_1_TABLE,
50	COMBIOS_BIOS_SUPPORT_TABLE,
51	COMBIOS_DAC_PROGRAMMING_TABLE,
52	COMBIOS_MAX_COLOR_DEPTH_TABLE,
53	COMBIOS_CRTC_INFO_TABLE,
54	COMBIOS_PLL_INFO_TABLE,
55	COMBIOS_TV_INFO_TABLE,
56	COMBIOS_DFP_INFO_TABLE,
57	COMBIOS_HW_CONFIG_INFO_TABLE,
58	COMBIOS_MULTIMEDIA_INFO_TABLE,
59	COMBIOS_TV_STD_PATCH_TABLE,
60	COMBIOS_LCD_INFO_TABLE,
61	COMBIOS_MOBILE_INFO_TABLE,
62	COMBIOS_PLL_INIT_TABLE,
63	COMBIOS_MEM_CONFIG_TABLE,
64	COMBIOS_SAVE_MASK_TABLE,
65	COMBIOS_HARDCODED_EDID_TABLE,
66	COMBIOS_ASIC_INIT_2_TABLE,
67	COMBIOS_CONNECTOR_INFO_TABLE,
68	COMBIOS_DYN_CLK_1_TABLE,
69	COMBIOS_RESERVED_MEM_TABLE,
70	COMBIOS_EXT_TMDS_INFO_TABLE,
71	COMBIOS_MEM_CLK_INFO_TABLE,
72	COMBIOS_EXT_DAC_INFO_TABLE,
73	COMBIOS_MISC_INFO_TABLE,
74	COMBIOS_CRT_INFO_TABLE,
75	COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE,
76	COMBIOS_COMPONENT_VIDEO_INFO_TABLE,
77	COMBIOS_FAN_SPEED_INFO_TABLE,
78	COMBIOS_OVERDRIVE_INFO_TABLE,
79	COMBIOS_OEM_INFO_TABLE,
80	COMBIOS_DYN_CLK_2_TABLE,
81	COMBIOS_POWER_CONNECTOR_INFO_TABLE,
82	COMBIOS_I2C_INFO_TABLE,
83	/* relative offset tables */
84	COMBIOS_ASIC_INIT_3_TABLE,	/* offset from misc info */
85	COMBIOS_ASIC_INIT_4_TABLE,	/* offset from misc info */
86	COMBIOS_DETECTED_MEM_TABLE,	/* offset from misc info */
87	COMBIOS_ASIC_INIT_5_TABLE,	/* offset from misc info */
88	COMBIOS_RAM_RESET_TABLE,	/* offset from mem config */
89	COMBIOS_POWERPLAY_INFO_TABLE,	/* offset from mobile info */
90	COMBIOS_GPIO_INFO_TABLE,	/* offset from mobile info */
91	COMBIOS_LCD_DDC_INFO_TABLE,	/* offset from mobile info */
92	COMBIOS_TMDS_POWER_TABLE,	/* offset from mobile info */
93	COMBIOS_TMDS_POWER_ON_TABLE,	/* offset from tmds power */
94	COMBIOS_TMDS_POWER_OFF_TABLE,	/* offset from tmds power */
95};
96
97enum radeon_combios_ddc {
98	DDC_NONE_DETECTED,
99	DDC_MONID,
100	DDC_DVI,
101	DDC_VGA,
102	DDC_CRT2,
103	DDC_LCD,
104	DDC_GPIO,
105};
106
107enum radeon_combios_connector {
108	CONNECTOR_NONE_LEGACY,
109	CONNECTOR_PROPRIETARY_LEGACY,
110	CONNECTOR_CRT_LEGACY,
111	CONNECTOR_DVI_I_LEGACY,
112	CONNECTOR_DVI_D_LEGACY,
113	CONNECTOR_CTV_LEGACY,
114	CONNECTOR_STV_LEGACY,
115	CONNECTOR_UNSUPPORTED_LEGACY
116};
117
118static const int legacy_connector_convert[] = {
119	DRM_MODE_CONNECTOR_Unknown,
120	DRM_MODE_CONNECTOR_DVID,
121	DRM_MODE_CONNECTOR_VGA,
122	DRM_MODE_CONNECTOR_DVII,
123	DRM_MODE_CONNECTOR_DVID,
124	DRM_MODE_CONNECTOR_Composite,
125	DRM_MODE_CONNECTOR_SVIDEO,
126	DRM_MODE_CONNECTOR_Unknown,
127};
128
129static uint16_t combios_get_table_offset(struct drm_device *dev,
130					 enum radeon_combios_table_offset table)
131{
132	struct radeon_device *rdev = dev->dev_private;
133	int rev, size;
134	uint16_t offset = 0, check_offset;
135
136	if (!rdev->bios)
137		return 0;
138
139	switch (table) {
140		/* absolute offset tables */
141	case COMBIOS_ASIC_INIT_1_TABLE:
142		check_offset = 0xc;
143		break;
144	case COMBIOS_BIOS_SUPPORT_TABLE:
145		check_offset = 0x14;
146		break;
147	case COMBIOS_DAC_PROGRAMMING_TABLE:
148		check_offset = 0x2a;
149		break;
150	case COMBIOS_MAX_COLOR_DEPTH_TABLE:
151		check_offset = 0x2c;
152		break;
153	case COMBIOS_CRTC_INFO_TABLE:
154		check_offset = 0x2e;
155		break;
156	case COMBIOS_PLL_INFO_TABLE:
157		check_offset = 0x30;
158		break;
159	case COMBIOS_TV_INFO_TABLE:
160		check_offset = 0x32;
161		break;
162	case COMBIOS_DFP_INFO_TABLE:
163		check_offset = 0x34;
164		break;
165	case COMBIOS_HW_CONFIG_INFO_TABLE:
166		check_offset = 0x36;
167		break;
168	case COMBIOS_MULTIMEDIA_INFO_TABLE:
169		check_offset = 0x38;
170		break;
171	case COMBIOS_TV_STD_PATCH_TABLE:
172		check_offset = 0x3e;
173		break;
174	case COMBIOS_LCD_INFO_TABLE:
175		check_offset = 0x40;
176		break;
177	case COMBIOS_MOBILE_INFO_TABLE:
178		check_offset = 0x42;
179		break;
180	case COMBIOS_PLL_INIT_TABLE:
181		check_offset = 0x46;
182		break;
183	case COMBIOS_MEM_CONFIG_TABLE:
184		check_offset = 0x48;
185		break;
186	case COMBIOS_SAVE_MASK_TABLE:
187		check_offset = 0x4a;
188		break;
189	case COMBIOS_HARDCODED_EDID_TABLE:
190		check_offset = 0x4c;
191		break;
192	case COMBIOS_ASIC_INIT_2_TABLE:
193		check_offset = 0x4e;
194		break;
195	case COMBIOS_CONNECTOR_INFO_TABLE:
196		check_offset = 0x50;
197		break;
198	case COMBIOS_DYN_CLK_1_TABLE:
199		check_offset = 0x52;
200		break;
201	case COMBIOS_RESERVED_MEM_TABLE:
202		check_offset = 0x54;
203		break;
204	case COMBIOS_EXT_TMDS_INFO_TABLE:
205		check_offset = 0x58;
206		break;
207	case COMBIOS_MEM_CLK_INFO_TABLE:
208		check_offset = 0x5a;
209		break;
210	case COMBIOS_EXT_DAC_INFO_TABLE:
211		check_offset = 0x5c;
212		break;
213	case COMBIOS_MISC_INFO_TABLE:
214		check_offset = 0x5e;
215		break;
216	case COMBIOS_CRT_INFO_TABLE:
217		check_offset = 0x60;
218		break;
219	case COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE:
220		check_offset = 0x62;
221		break;
222	case COMBIOS_COMPONENT_VIDEO_INFO_TABLE:
223		check_offset = 0x64;
224		break;
225	case COMBIOS_FAN_SPEED_INFO_TABLE:
226		check_offset = 0x66;
227		break;
228	case COMBIOS_OVERDRIVE_INFO_TABLE:
229		check_offset = 0x68;
230		break;
231	case COMBIOS_OEM_INFO_TABLE:
232		check_offset = 0x6a;
233		break;
234	case COMBIOS_DYN_CLK_2_TABLE:
235		check_offset = 0x6c;
236		break;
237	case COMBIOS_POWER_CONNECTOR_INFO_TABLE:
238		check_offset = 0x6e;
239		break;
240	case COMBIOS_I2C_INFO_TABLE:
241		check_offset = 0x70;
242		break;
243		/* relative offset tables */
244	case COMBIOS_ASIC_INIT_3_TABLE:	/* offset from misc info */
245		check_offset =
246		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
247		if (check_offset) {
248			rev = RBIOS8(check_offset);
249			if (rev > 0) {
250				check_offset = RBIOS16(check_offset + 0x3);
251				if (check_offset)
252					offset = check_offset;
253			}
254		}
255		break;
256	case COMBIOS_ASIC_INIT_4_TABLE:	/* offset from misc info */
257		check_offset =
258		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
259		if (check_offset) {
260			rev = RBIOS8(check_offset);
261			if (rev > 0) {
262				check_offset = RBIOS16(check_offset + 0x5);
263				if (check_offset)
264					offset = check_offset;
265			}
266		}
267		break;
268	case COMBIOS_DETECTED_MEM_TABLE:	/* offset from misc info */
269		check_offset =
270		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
271		if (check_offset) {
272			rev = RBIOS8(check_offset);
273			if (rev > 0) {
274				check_offset = RBIOS16(check_offset + 0x7);
275				if (check_offset)
276					offset = check_offset;
277			}
278		}
279		break;
280	case COMBIOS_ASIC_INIT_5_TABLE:	/* offset from misc info */
281		check_offset =
282		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
283		if (check_offset) {
284			rev = RBIOS8(check_offset);
285			if (rev == 2) {
286				check_offset = RBIOS16(check_offset + 0x9);
287				if (check_offset)
288					offset = check_offset;
289			}
290		}
291		break;
292	case COMBIOS_RAM_RESET_TABLE:	/* offset from mem config */
293		check_offset =
294		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
295		if (check_offset) {
296			while (RBIOS8(check_offset++));
297			check_offset += 2;
298			if (check_offset)
299				offset = check_offset;
300		}
301		break;
302	case COMBIOS_POWERPLAY_INFO_TABLE:	/* offset from mobile info */
303		check_offset =
304		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
305		if (check_offset) {
306			check_offset = RBIOS16(check_offset + 0x11);
307			if (check_offset)
308				offset = check_offset;
309		}
310		break;
311	case COMBIOS_GPIO_INFO_TABLE:	/* offset from mobile info */
312		check_offset =
313		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
314		if (check_offset) {
315			check_offset = RBIOS16(check_offset + 0x13);
316			if (check_offset)
317				offset = check_offset;
318		}
319		break;
320	case COMBIOS_LCD_DDC_INFO_TABLE:	/* offset from mobile info */
321		check_offset =
322		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
323		if (check_offset) {
324			check_offset = RBIOS16(check_offset + 0x15);
325			if (check_offset)
326				offset = check_offset;
327		}
328		break;
329	case COMBIOS_TMDS_POWER_TABLE:	/* offset from mobile info */
330		check_offset =
331		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
332		if (check_offset) {
333			check_offset = RBIOS16(check_offset + 0x17);
334			if (check_offset)
335				offset = check_offset;
336		}
337		break;
338	case COMBIOS_TMDS_POWER_ON_TABLE:	/* offset from tmds power */
339		check_offset =
340		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
341		if (check_offset) {
342			check_offset = RBIOS16(check_offset + 0x2);
343			if (check_offset)
344				offset = check_offset;
345		}
346		break;
347	case COMBIOS_TMDS_POWER_OFF_TABLE:	/* offset from tmds power */
348		check_offset =
349		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
350		if (check_offset) {
351			check_offset = RBIOS16(check_offset + 0x4);
352			if (check_offset)
353				offset = check_offset;
354		}
355		break;
356	default:
357		check_offset = 0;
358		break;
359	}
360
361	size = RBIOS8(rdev->bios_header_start + 0x6);
362	/* check absolute offset tables */
363	if (table < COMBIOS_ASIC_INIT_3_TABLE && check_offset && check_offset < size)
364		offset = RBIOS16(rdev->bios_header_start + check_offset);
365
366	return offset;
367}
368
369bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev)
370{
371	int edid_info, size;
372	struct edid *edid;
373	unsigned char *raw;
374	edid_info = combios_get_table_offset(rdev->ddev, COMBIOS_HARDCODED_EDID_TABLE);
375	if (!edid_info)
376		return false;
377
378	raw = rdev->bios + edid_info;
379	size = EDID_LENGTH * (raw[0x7e] + 1);
380	edid = kmalloc(size, GFP_KERNEL);
381	if (edid == NULL)
382		return false;
383
384	memcpy((unsigned char *)edid, raw, size);
385
386	if (!drm_edid_is_valid(edid)) {
387		kfree(edid);
388		return false;
389	}
390
391	rdev->mode_info.bios_hardcoded_edid = edid;
392	rdev->mode_info.bios_hardcoded_edid_size = size;
393	return true;
394}
395
396/* this is used for atom LCDs as well */
397struct edid *
398radeon_bios_get_hardcoded_edid(struct radeon_device *rdev)
399{
400	struct edid *edid;
401
402	if (rdev->mode_info.bios_hardcoded_edid) {
403		edid = kmalloc(rdev->mode_info.bios_hardcoded_edid_size, GFP_KERNEL);
404		if (edid) {
405			memcpy((unsigned char *)edid,
406			       (unsigned char *)rdev->mode_info.bios_hardcoded_edid,
407			       rdev->mode_info.bios_hardcoded_edid_size);
408			return edid;
409		}
410	}
411	return NULL;
412}
413
414static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
415						       enum radeon_combios_ddc ddc,
416						       u32 clk_mask,
417						       u32 data_mask)
418{
419	struct radeon_i2c_bus_rec i2c;
420	int ddc_line = 0;
421
422	/* ddc id            = mask reg
423	 * DDC_NONE_DETECTED = none
424	 * DDC_DVI           = RADEON_GPIO_DVI_DDC
425	 * DDC_VGA           = RADEON_GPIO_VGA_DDC
426	 * DDC_LCD           = RADEON_GPIOPAD_MASK
427	 * DDC_GPIO          = RADEON_MDGPIO_MASK
428	 * r1xx
429	 * DDC_MONID         = RADEON_GPIO_MONID
430	 * DDC_CRT2          = RADEON_GPIO_CRT2_DDC
431	 * r200
432	 * DDC_MONID         = RADEON_GPIO_MONID
433	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
434	 * r300/r350
435	 * DDC_MONID         = RADEON_GPIO_DVI_DDC
436	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
437	 * rv2xx/rv3xx
438	 * DDC_MONID         = RADEON_GPIO_MONID
439	 * DDC_CRT2          = RADEON_GPIO_MONID
440	 * rs3xx/rs4xx
441	 * DDC_MONID         = RADEON_GPIOPAD_MASK
442	 * DDC_CRT2          = RADEON_GPIO_MONID
443	 */
444	switch (ddc) {
445	case DDC_NONE_DETECTED:
446	default:
447		ddc_line = 0;
448		break;
449	case DDC_DVI:
450		ddc_line = RADEON_GPIO_DVI_DDC;
451		break;
452	case DDC_VGA:
453		ddc_line = RADEON_GPIO_VGA_DDC;
454		break;
455	case DDC_LCD:
456		ddc_line = RADEON_GPIOPAD_MASK;
457		break;
458	case DDC_GPIO:
459		ddc_line = RADEON_MDGPIO_MASK;
460		break;
461	case DDC_MONID:
462		if (rdev->family == CHIP_RS300 ||
463		    rdev->family == CHIP_RS400 ||
464		    rdev->family == CHIP_RS480)
465			ddc_line = RADEON_GPIOPAD_MASK;
466		else if (rdev->family == CHIP_R300 ||
467			 rdev->family == CHIP_R350) {
468			ddc_line = RADEON_GPIO_DVI_DDC;
469			ddc = DDC_DVI;
470		} else
471			ddc_line = RADEON_GPIO_MONID;
472		break;
473	case DDC_CRT2:
474		if (rdev->family == CHIP_R200 ||
475		    rdev->family == CHIP_R300 ||
476		    rdev->family == CHIP_R350) {
477			ddc_line = RADEON_GPIO_DVI_DDC;
478			ddc = DDC_DVI;
479		} else if (rdev->family == CHIP_RS300 ||
480			   rdev->family == CHIP_RS400 ||
481			   rdev->family == CHIP_RS480)
482			ddc_line = RADEON_GPIO_MONID;
483		else if (rdev->family >= CHIP_RV350) {
484			ddc_line = RADEON_GPIO_MONID;
485			ddc = DDC_MONID;
486		} else
487			ddc_line = RADEON_GPIO_CRT2_DDC;
488		break;
489	}
490
491	if (ddc_line == RADEON_GPIOPAD_MASK) {
492		i2c.mask_clk_reg = RADEON_GPIOPAD_MASK;
493		i2c.mask_data_reg = RADEON_GPIOPAD_MASK;
494		i2c.a_clk_reg = RADEON_GPIOPAD_A;
495		i2c.a_data_reg = RADEON_GPIOPAD_A;
496		i2c.en_clk_reg = RADEON_GPIOPAD_EN;
497		i2c.en_data_reg = RADEON_GPIOPAD_EN;
498		i2c.y_clk_reg = RADEON_GPIOPAD_Y;
499		i2c.y_data_reg = RADEON_GPIOPAD_Y;
500	} else if (ddc_line == RADEON_MDGPIO_MASK) {
501		i2c.mask_clk_reg = RADEON_MDGPIO_MASK;
502		i2c.mask_data_reg = RADEON_MDGPIO_MASK;
503		i2c.a_clk_reg = RADEON_MDGPIO_A;
504		i2c.a_data_reg = RADEON_MDGPIO_A;
505		i2c.en_clk_reg = RADEON_MDGPIO_EN;
506		i2c.en_data_reg = RADEON_MDGPIO_EN;
507		i2c.y_clk_reg = RADEON_MDGPIO_Y;
508		i2c.y_data_reg = RADEON_MDGPIO_Y;
509	} else {
510		i2c.mask_clk_reg = ddc_line;
511		i2c.mask_data_reg = ddc_line;
512		i2c.a_clk_reg = ddc_line;
513		i2c.a_data_reg = ddc_line;
514		i2c.en_clk_reg = ddc_line;
515		i2c.en_data_reg = ddc_line;
516		i2c.y_clk_reg = ddc_line;
517		i2c.y_data_reg = ddc_line;
518	}
519
520	if (clk_mask && data_mask) {
521		/* system specific masks */
522		i2c.mask_clk_mask = clk_mask;
523		i2c.mask_data_mask = data_mask;
524		i2c.a_clk_mask = clk_mask;
525		i2c.a_data_mask = data_mask;
526		i2c.en_clk_mask = clk_mask;
527		i2c.en_data_mask = data_mask;
528		i2c.y_clk_mask = clk_mask;
529		i2c.y_data_mask = data_mask;
530	} else if ((ddc_line == RADEON_GPIOPAD_MASK) ||
531		   (ddc_line == RADEON_MDGPIO_MASK)) {
532		/* default gpiopad masks */
533		i2c.mask_clk_mask = (0x20 << 8);
534		i2c.mask_data_mask = 0x80;
535		i2c.a_clk_mask = (0x20 << 8);
536		i2c.a_data_mask = 0x80;
537		i2c.en_clk_mask = (0x20 << 8);
538		i2c.en_data_mask = 0x80;
539		i2c.y_clk_mask = (0x20 << 8);
540		i2c.y_data_mask = 0x80;
541	} else {
542		/* default masks for ddc pads */
543		i2c.mask_clk_mask = RADEON_GPIO_MASK_1;
544		i2c.mask_data_mask = RADEON_GPIO_MASK_0;
545		i2c.a_clk_mask = RADEON_GPIO_A_1;
546		i2c.a_data_mask = RADEON_GPIO_A_0;
547		i2c.en_clk_mask = RADEON_GPIO_EN_1;
548		i2c.en_data_mask = RADEON_GPIO_EN_0;
549		i2c.y_clk_mask = RADEON_GPIO_Y_1;
550		i2c.y_data_mask = RADEON_GPIO_Y_0;
551	}
552
553	switch (rdev->family) {
554	case CHIP_R100:
555	case CHIP_RV100:
556	case CHIP_RS100:
557	case CHIP_RV200:
558	case CHIP_RS200:
559	case CHIP_RS300:
560		switch (ddc_line) {
561		case RADEON_GPIO_DVI_DDC:
562			i2c.hw_capable = true;
563			break;
564		default:
565			i2c.hw_capable = false;
566			break;
567		}
568		break;
569	case CHIP_R200:
570		switch (ddc_line) {
571		case RADEON_GPIO_DVI_DDC:
572		case RADEON_GPIO_MONID:
573			i2c.hw_capable = true;
574			break;
575		default:
576			i2c.hw_capable = false;
577			break;
578		}
579		break;
580	case CHIP_RV250:
581	case CHIP_RV280:
582		switch (ddc_line) {
583		case RADEON_GPIO_VGA_DDC:
584		case RADEON_GPIO_DVI_DDC:
585		case RADEON_GPIO_CRT2_DDC:
586			i2c.hw_capable = true;
587			break;
588		default:
589			i2c.hw_capable = false;
590			break;
591		}
592		break;
593	case CHIP_R300:
594	case CHIP_R350:
595		switch (ddc_line) {
596		case RADEON_GPIO_VGA_DDC:
597		case RADEON_GPIO_DVI_DDC:
598			i2c.hw_capable = true;
599			break;
600		default:
601			i2c.hw_capable = false;
602			break;
603		}
604		break;
605	case CHIP_RV350:
606	case CHIP_RV380:
607	case CHIP_RS400:
608	case CHIP_RS480:
609		switch (ddc_line) {
610		case RADEON_GPIO_VGA_DDC:
611		case RADEON_GPIO_DVI_DDC:
612			i2c.hw_capable = true;
613			break;
614		case RADEON_GPIO_MONID:
615			/* hw i2c on RADEON_GPIO_MONID doesn't seem to work
616			 * reliably on some pre-r4xx hardware; not sure why.
617			 */
618			i2c.hw_capable = false;
619			break;
620		default:
621			i2c.hw_capable = false;
622			break;
623		}
624		break;
625	default:
626		i2c.hw_capable = false;
627		break;
628	}
629	i2c.mm_i2c = false;
630
631	i2c.i2c_id = ddc;
632	i2c.hpd = RADEON_HPD_NONE;
633
634	if (ddc_line)
635		i2c.valid = true;
636	else
637		i2c.valid = false;
638
639	return i2c;
640}
641
642static struct radeon_i2c_bus_rec radeon_combios_get_i2c_info_from_table(struct radeon_device *rdev)
643{
644	struct drm_device *dev = rdev->ddev;
645	struct radeon_i2c_bus_rec i2c;
646	u16 offset;
647	u8 id, blocks, clk, data;
648	int i;
649
650	i2c.valid = false;
651
652	offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE);
653	if (offset) {
654		blocks = RBIOS8(offset + 2);
655		for (i = 0; i < blocks; i++) {
656			id = RBIOS8(offset + 3 + (i * 5) + 0);
657			if (id == 136) {
658				clk = RBIOS8(offset + 3 + (i * 5) + 3);
659				data = RBIOS8(offset + 3 + (i * 5) + 4);
660				/* gpiopad */
661				i2c = combios_setup_i2c_bus(rdev, DDC_MONID,
662							    (1 << clk), (1 << data));
663				break;
664			}
665		}
666	}
667	return i2c;
668}
669
670void radeon_combios_i2c_init(struct radeon_device *rdev)
671{
672	struct drm_device *dev = rdev->ddev;
673	struct radeon_i2c_bus_rec i2c;
674
675	/* actual hw pads
676	 * r1xx/rs2xx/rs3xx
677	 * 0x60, 0x64, 0x68, 0x6c, gpiopads, mm
678	 * r200
679	 * 0x60, 0x64, 0x68, mm
680	 * r300/r350
681	 * 0x60, 0x64, mm
682	 * rv2xx/rv3xx/rs4xx
683	 * 0x60, 0x64, 0x68, gpiopads, mm
684	 */
685
686	/* 0x60 */
687	i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
688	rdev->i2c_bus[0] = radeon_i2c_create(dev, &i2c, "DVI_DDC");
689	/* 0x64 */
690	i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
691	rdev->i2c_bus[1] = radeon_i2c_create(dev, &i2c, "VGA_DDC");
692
693	/* mm i2c */
694	i2c.valid = true;
695	i2c.hw_capable = true;
696	i2c.mm_i2c = true;
697	i2c.i2c_id = 0xa0;
698	rdev->i2c_bus[2] = radeon_i2c_create(dev, &i2c, "MM_I2C");
699
700	if (rdev->family == CHIP_R300 ||
701	    rdev->family == CHIP_R350) {
702		/* only 2 sw i2c pads */
703	} else if (rdev->family == CHIP_RS300 ||
704		   rdev->family == CHIP_RS400 ||
705		   rdev->family == CHIP_RS480) {
706		/* 0x68 */
707		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
708		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
709
710		/* gpiopad */
711		i2c = radeon_combios_get_i2c_info_from_table(rdev);
712		if (i2c.valid)
713			rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "GPIOPAD_MASK");
714	} else if ((rdev->family == CHIP_R200) ||
715		   (rdev->family >= CHIP_R300)) {
716		/* 0x68 */
717		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
718		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
719	} else {
720		/* 0x68 */
721		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
722		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
723		/* 0x6c */
724		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
725		rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "CRT2_DDC");
726	}
727}
728
729bool radeon_combios_get_clock_info(struct drm_device *dev)
730{
731	struct radeon_device *rdev = dev->dev_private;
732	uint16_t pll_info;
733	struct radeon_pll *p1pll = &rdev->clock.p1pll;
734	struct radeon_pll *p2pll = &rdev->clock.p2pll;
735	struct radeon_pll *spll = &rdev->clock.spll;
736	struct radeon_pll *mpll = &rdev->clock.mpll;
737	int8_t rev;
738	uint16_t sclk, mclk;
739
740	pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
741	if (pll_info) {
742		rev = RBIOS8(pll_info);
743
744		/* pixel clocks */
745		p1pll->reference_freq = RBIOS16(pll_info + 0xe);
746		p1pll->reference_div = RBIOS16(pll_info + 0x10);
747		p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
748		p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
749		p1pll->lcd_pll_out_min = p1pll->pll_out_min;
750		p1pll->lcd_pll_out_max = p1pll->pll_out_max;
751
752		if (rev > 9) {
753			p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
754			p1pll->pll_in_max = RBIOS32(pll_info + 0x3a);
755		} else {
756			p1pll->pll_in_min = 40;
757			p1pll->pll_in_max = 500;
758		}
759		*p2pll = *p1pll;
760
761		/* system clock */
762		spll->reference_freq = RBIOS16(pll_info + 0x1a);
763		spll->reference_div = RBIOS16(pll_info + 0x1c);
764		spll->pll_out_min = RBIOS32(pll_info + 0x1e);
765		spll->pll_out_max = RBIOS32(pll_info + 0x22);
766
767		if (rev > 10) {
768			spll->pll_in_min = RBIOS32(pll_info + 0x48);
769			spll->pll_in_max = RBIOS32(pll_info + 0x4c);
770		} else {
771			/* ??? */
772			spll->pll_in_min = 40;
773			spll->pll_in_max = 500;
774		}
775
776		/* memory clock */
777		mpll->reference_freq = RBIOS16(pll_info + 0x26);
778		mpll->reference_div = RBIOS16(pll_info + 0x28);
779		mpll->pll_out_min = RBIOS32(pll_info + 0x2a);
780		mpll->pll_out_max = RBIOS32(pll_info + 0x2e);
781
782		if (rev > 10) {
783			mpll->pll_in_min = RBIOS32(pll_info + 0x5a);
784			mpll->pll_in_max = RBIOS32(pll_info + 0x5e);
785		} else {
786			/* ??? */
787			mpll->pll_in_min = 40;
788			mpll->pll_in_max = 500;
789		}
790
791		/* default sclk/mclk */
792		sclk = RBIOS16(pll_info + 0xa);
793		mclk = RBIOS16(pll_info + 0x8);
794		if (sclk == 0)
795			sclk = 200 * 100;
796		if (mclk == 0)
797			mclk = 200 * 100;
798
799		rdev->clock.default_sclk = sclk;
800		rdev->clock.default_mclk = mclk;
801
802		if (RBIOS32(pll_info + 0x16))
803			rdev->clock.max_pixel_clock = RBIOS32(pll_info + 0x16);
804		else
805			rdev->clock.max_pixel_clock = 35000; /* might need something asic specific */
806
807		return true;
808	}
809	return false;
810}
811
812bool radeon_combios_sideport_present(struct radeon_device *rdev)
813{
814	struct drm_device *dev = rdev->ddev;
815	u16 igp_info;
816
817	/* sideport is AMD only */
818	if (rdev->family == CHIP_RS400)
819		return false;
820
821	igp_info = combios_get_table_offset(dev, COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE);
822
823	if (igp_info) {
824		if (RBIOS16(igp_info + 0x4))
825			return true;
826	}
827	return false;
828}
829
830static const uint32_t default_primarydac_adj[CHIP_LAST] = {
831	0x00000808,		/* r100  */
832	0x00000808,		/* rv100 */
833	0x00000808,		/* rs100 */
834	0x00000808,		/* rv200 */
835	0x00000808,		/* rs200 */
836	0x00000808,		/* r200  */
837	0x00000808,		/* rv250 */
838	0x00000000,		/* rs300 */
839	0x00000808,		/* rv280 */
840	0x00000808,		/* r300  */
841	0x00000808,		/* r350  */
842	0x00000808,		/* rv350 */
843	0x00000808,		/* rv380 */
844	0x00000808,		/* r420  */
845	0x00000808,		/* r423  */
846	0x00000808,		/* rv410 */
847	0x00000000,		/* rs400 */
848	0x00000000,		/* rs480 */
849};
850
851static void radeon_legacy_get_primary_dac_info_from_table(struct radeon_device *rdev,
852							  struct radeon_encoder_primary_dac *p_dac)
853{
854	p_dac->ps2_pdac_adj = default_primarydac_adj[rdev->family];
855	return;
856}
857
858struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
859								       radeon_encoder
860								       *encoder)
861{
862	struct drm_device *dev = encoder->base.dev;
863	struct radeon_device *rdev = dev->dev_private;
864	uint16_t dac_info;
865	uint8_t rev, bg, dac;
866	struct radeon_encoder_primary_dac *p_dac;
867	int found = 0;
868
869	p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac),
870			GFP_KERNEL);
871
872	if (!p_dac)
873		return NULL;
874
875	/* check CRT table */
876	dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
877	if (dac_info) {
878		rev = RBIOS8(dac_info) & 0x3;
879		if (rev < 2) {
880			bg = RBIOS8(dac_info + 0x2) & 0xf;
881			dac = (RBIOS8(dac_info + 0x2) >> 4) & 0xf;
882			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
883		} else {
884			bg = RBIOS8(dac_info + 0x2) & 0xf;
885			dac = RBIOS8(dac_info + 0x3) & 0xf;
886			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
887		}
888		/* if the values are zeros, use the table */
889		if ((dac == 0) || (bg == 0))
890			found = 0;
891		else
892			found = 1;
893	}
894
895	/* quirks */
896	/* Radeon 7000 (RV100) */
897	if (((rdev->pdev->device == 0x5159) &&
898	    (rdev->pdev->subsystem_vendor == 0x174B) &&
899	    (rdev->pdev->subsystem_device == 0x7c28)) ||
900	/* Radeon 9100 (R200) */
901	   ((rdev->pdev->device == 0x514D) &&
902	    (rdev->pdev->subsystem_vendor == 0x174B) &&
903	    (rdev->pdev->subsystem_device == 0x7149))) {
904		/* vbios value is bad, use the default */
905		found = 0;
906	}
907
908	if (!found) /* fallback to defaults */
909		radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac);
910
911	return p_dac;
912}
913
914enum radeon_tv_std
915radeon_combios_get_tv_info(struct radeon_device *rdev)
916{
917	struct drm_device *dev = rdev->ddev;
918	uint16_t tv_info;
919	enum radeon_tv_std tv_std = TV_STD_NTSC;
920
921	tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
922	if (tv_info) {
923		if (RBIOS8(tv_info + 6) == 'T') {
924			switch (RBIOS8(tv_info + 7) & 0xf) {
925			case 1:
926				tv_std = TV_STD_NTSC;
927				DRM_DEBUG_KMS("Default TV standard: NTSC\n");
928				break;
929			case 2:
930				tv_std = TV_STD_PAL;
931				DRM_DEBUG_KMS("Default TV standard: PAL\n");
932				break;
933			case 3:
934				tv_std = TV_STD_PAL_M;
935				DRM_DEBUG_KMS("Default TV standard: PAL-M\n");
936				break;
937			case 4:
938				tv_std = TV_STD_PAL_60;
939				DRM_DEBUG_KMS("Default TV standard: PAL-60\n");
940				break;
941			case 5:
942				tv_std = TV_STD_NTSC_J;
943				DRM_DEBUG_KMS("Default TV standard: NTSC-J\n");
944				break;
945			case 6:
946				tv_std = TV_STD_SCART_PAL;
947				DRM_DEBUG_KMS("Default TV standard: SCART-PAL\n");
948				break;
949			default:
950				tv_std = TV_STD_NTSC;
951				DRM_DEBUG_KMS
952				    ("Unknown TV standard; defaulting to NTSC\n");
953				break;
954			}
955
956			switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
957			case 0:
958				DRM_DEBUG_KMS("29.498928713 MHz TV ref clk\n");
959				break;
960			case 1:
961				DRM_DEBUG_KMS("28.636360000 MHz TV ref clk\n");
962				break;
963			case 2:
964				DRM_DEBUG_KMS("14.318180000 MHz TV ref clk\n");
965				break;
966			case 3:
967				DRM_DEBUG_KMS("27.000000000 MHz TV ref clk\n");
968				break;
969			default:
970				break;
971			}
972		}
973	}
974	return tv_std;
975}
976
977static const uint32_t default_tvdac_adj[CHIP_LAST] = {
978	0x00000000,		/* r100  */
979	0x00280000,		/* rv100 */
980	0x00000000,		/* rs100 */
981	0x00880000,		/* rv200 */
982	0x00000000,		/* rs200 */
983	0x00000000,		/* r200  */
984	0x00770000,		/* rv250 */
985	0x00290000,		/* rs300 */
986	0x00560000,		/* rv280 */
987	0x00780000,		/* r300  */
988	0x00770000,		/* r350  */
989	0x00780000,		/* rv350 */
990	0x00780000,		/* rv380 */
991	0x01080000,		/* r420  */
992	0x01080000,		/* r423  */
993	0x01080000,		/* rv410 */
994	0x00780000,		/* rs400 */
995	0x00780000,		/* rs480 */
996};
997
998static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
999						     struct radeon_encoder_tv_dac *tv_dac)
1000{
1001	tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
1002	if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
1003		tv_dac->ps2_tvdac_adj = 0x00880000;
1004	tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1005	tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1006	return;
1007}
1008
1009struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
1010							     radeon_encoder
1011							     *encoder)
1012{
1013	struct drm_device *dev = encoder->base.dev;
1014	struct radeon_device *rdev = dev->dev_private;
1015	uint16_t dac_info;
1016	uint8_t rev, bg, dac;
1017	struct radeon_encoder_tv_dac *tv_dac;
1018	int found = 0;
1019
1020	tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
1021	if (!tv_dac)
1022		return NULL;
1023
1024	/* first check TV table */
1025	dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
1026	if (dac_info) {
1027		rev = RBIOS8(dac_info + 0x3);
1028		if (rev > 4) {
1029			bg = RBIOS8(dac_info + 0xc) & 0xf;
1030			dac = RBIOS8(dac_info + 0xd) & 0xf;
1031			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1032
1033			bg = RBIOS8(dac_info + 0xe) & 0xf;
1034			dac = RBIOS8(dac_info + 0xf) & 0xf;
1035			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1036
1037			bg = RBIOS8(dac_info + 0x10) & 0xf;
1038			dac = RBIOS8(dac_info + 0x11) & 0xf;
1039			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1040			/* if the values are all zeros, use the table */
1041			if (tv_dac->ps2_tvdac_adj)
1042				found = 1;
1043		} else if (rev > 1) {
1044			bg = RBIOS8(dac_info + 0xc) & 0xf;
1045			dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
1046			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1047
1048			bg = RBIOS8(dac_info + 0xd) & 0xf;
1049			dac = (RBIOS8(dac_info + 0xd) >> 4) & 0xf;
1050			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1051
1052			bg = RBIOS8(dac_info + 0xe) & 0xf;
1053			dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
1054			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1055			/* if the values are all zeros, use the table */
1056			if (tv_dac->ps2_tvdac_adj)
1057				found = 1;
1058		}
1059		tv_dac->tv_std = radeon_combios_get_tv_info(rdev);
1060	}
1061	if (!found) {
1062		/* then check CRT table */
1063		dac_info =
1064		    combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
1065		if (dac_info) {
1066			rev = RBIOS8(dac_info) & 0x3;
1067			if (rev < 2) {
1068				bg = RBIOS8(dac_info + 0x3) & 0xf;
1069				dac = (RBIOS8(dac_info + 0x3) >> 4) & 0xf;
1070				tv_dac->ps2_tvdac_adj =
1071				    (bg << 16) | (dac << 20);
1072				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1073				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1074				/* if the values are all zeros, use the table */
1075				if (tv_dac->ps2_tvdac_adj)
1076					found = 1;
1077			} else {
1078				bg = RBIOS8(dac_info + 0x4) & 0xf;
1079				dac = RBIOS8(dac_info + 0x5) & 0xf;
1080				tv_dac->ps2_tvdac_adj =
1081				    (bg << 16) | (dac << 20);
1082				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1083				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1084				/* if the values are all zeros, use the table */
1085				if (tv_dac->ps2_tvdac_adj)
1086					found = 1;
1087			}
1088		} else {
1089			DRM_INFO("No TV DAC info found in BIOS\n");
1090		}
1091	}
1092
1093	if (!found) /* fallback to defaults */
1094		radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
1095
1096	return tv_dac;
1097}
1098
1099static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
1100									 radeon_device
1101									 *rdev)
1102{
1103	struct radeon_encoder_lvds *lvds;
1104	uint32_t fp_vert_stretch, fp_horz_stretch;
1105	uint32_t ppll_div_sel, ppll_val;
1106	uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
1107
1108	lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1109
1110	if (!lvds)
1111		return NULL;
1112
1113	fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH);
1114	fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH);
1115
1116	/* These should be fail-safe defaults, fingers crossed */
1117	lvds->panel_pwr_delay = 200;
1118	lvds->panel_vcc_delay = 2000;
1119
1120	lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
1121	lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf;
1122	lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf;
1123
1124	if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
1125		lvds->native_mode.vdisplay =
1126		    ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
1127		     RADEON_VERT_PANEL_SHIFT) + 1;
1128	else
1129		lvds->native_mode.vdisplay =
1130		    (RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;
1131
1132	if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
1133		lvds->native_mode.hdisplay =
1134		    (((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
1135		      RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
1136	else
1137		lvds->native_mode.hdisplay =
1138		    ((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;
1139
1140	if ((lvds->native_mode.hdisplay < 640) ||
1141	    (lvds->native_mode.vdisplay < 480)) {
1142		lvds->native_mode.hdisplay = 640;
1143		lvds->native_mode.vdisplay = 480;
1144	}
1145
1146	ppll_div_sel = RREG8(RADEON_CLOCK_CNTL_INDEX + 1) & 0x3;
1147	ppll_val = RREG32_PLL(RADEON_PPLL_DIV_0 + ppll_div_sel);
1148	if ((ppll_val & 0x000707ff) == 0x1bb)
1149		lvds->use_bios_dividers = false;
1150	else {
1151		lvds->panel_ref_divider =
1152		    RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
1153		lvds->panel_post_divider = (ppll_val >> 16) & 0x7;
1154		lvds->panel_fb_divider = ppll_val & 0x7ff;
1155
1156		if ((lvds->panel_ref_divider != 0) &&
1157		    (lvds->panel_fb_divider > 3))
1158			lvds->use_bios_dividers = true;
1159	}
1160	lvds->panel_vcc_delay = 200;
1161
1162	DRM_INFO("Panel info derived from registers\n");
1163	DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1164		 lvds->native_mode.vdisplay);
1165
1166	return lvds;
1167}
1168
1169struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
1170							 *encoder)
1171{
1172	struct drm_device *dev = encoder->base.dev;
1173	struct radeon_device *rdev = dev->dev_private;
1174	uint16_t lcd_info;
1175	uint32_t panel_setup;
1176	char stmp[30];
1177	int tmp, i;
1178	struct radeon_encoder_lvds *lvds = NULL;
1179
1180	lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
1181
1182	if (lcd_info) {
1183		lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1184
1185		if (!lvds)
1186			return NULL;
1187
1188		for (i = 0; i < 24; i++)
1189			stmp[i] = RBIOS8(lcd_info + i + 1);
1190		stmp[24] = 0;
1191
1192		DRM_INFO("Panel ID String: %s\n", stmp);
1193
1194		lvds->native_mode.hdisplay = RBIOS16(lcd_info + 0x19);
1195		lvds->native_mode.vdisplay = RBIOS16(lcd_info + 0x1b);
1196
1197		DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1198			 lvds->native_mode.vdisplay);
1199
1200		lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
1201		lvds->panel_vcc_delay = min_t(u16, lvds->panel_vcc_delay, 2000);
1202
1203		lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24);
1204		lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf;
1205		lvds->panel_blon_delay = (RBIOS16(lcd_info + 0x38) >> 4) & 0xf;
1206
1207		lvds->panel_ref_divider = RBIOS16(lcd_info + 0x2e);
1208		lvds->panel_post_divider = RBIOS8(lcd_info + 0x30);
1209		lvds->panel_fb_divider = RBIOS16(lcd_info + 0x31);
1210		if ((lvds->panel_ref_divider != 0) &&
1211		    (lvds->panel_fb_divider > 3))
1212			lvds->use_bios_dividers = true;
1213
1214		panel_setup = RBIOS32(lcd_info + 0x39);
1215		lvds->lvds_gen_cntl = 0xff00;
1216		if (panel_setup & 0x1)
1217			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
1218
1219		if ((panel_setup >> 4) & 0x1)
1220			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
1221
1222		switch ((panel_setup >> 8) & 0x7) {
1223		case 0:
1224			lvds->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
1225			break;
1226		case 1:
1227			lvds->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
1228			break;
1229		case 2:
1230			lvds->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
1231			break;
1232		default:
1233			break;
1234		}
1235
1236		if ((panel_setup >> 16) & 0x1)
1237			lvds->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
1238
1239		if ((panel_setup >> 17) & 0x1)
1240			lvds->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
1241
1242		if ((panel_setup >> 18) & 0x1)
1243			lvds->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
1244
1245		if ((panel_setup >> 23) & 0x1)
1246			lvds->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
1247
1248		lvds->lvds_gen_cntl |= (panel_setup & 0xf0000000);
1249
1250		for (i = 0; i < 32; i++) {
1251			tmp = RBIOS16(lcd_info + 64 + i * 2);
1252			if (tmp == 0)
1253				break;
1254
1255			if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
1256			    (RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) {
1257				u32 hss = (RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8;
1258
1259				if (hss > lvds->native_mode.hdisplay)
1260					hss = (10 - 1) * 8;
1261
1262				lvds->native_mode.htotal = lvds->native_mode.hdisplay +
1263					(RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8;
1264				lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
1265					hss;
1266				lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
1267					(RBIOS8(tmp + 23) * 8);
1268
1269				lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
1270					(RBIOS16(tmp + 24) - RBIOS16(tmp + 26));
1271				lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
1272					((RBIOS16(tmp + 28) & 0x7ff) - RBIOS16(tmp + 26));
1273				lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
1274					((RBIOS16(tmp + 28) & 0xf800) >> 11);
1275
1276				lvds->native_mode.clock = RBIOS16(tmp + 9) * 10;
1277				lvds->native_mode.flags = 0;
1278				/* set crtc values */
1279				drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
1280
1281			}
1282		}
1283	} else {
1284		DRM_INFO("No panel info found in BIOS\n");
1285		lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
1286	}
1287
1288	if (lvds)
1289		encoder->native_mode = lvds->native_mode;
1290	return lvds;
1291}
1292
1293static const struct radeon_tmds_pll default_tmds_pll[CHIP_LAST][4] = {
1294	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R100  */
1295	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV100 */
1296	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS100 */
1297	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV200 */
1298	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RS200 */
1299	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R200  */
1300	{{15500, 0x81b}, {0xffffffff, 0x83f}, {0, 0}, {0, 0}},	/* CHIP_RV250 */
1301	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS300 */
1302	{{13000, 0x400f4}, {15000, 0x400f7}, {0xffffffff, 0x40111}, {0, 0}},	/* CHIP_RV280 */
1303	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R300  */
1304	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R350  */
1305	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV350 */
1306	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV380 */
1307	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R420  */
1308	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R423  */
1309	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RV410 */
1310	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS400 */
1311	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS480 */
1312};
1313
1314bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
1315					    struct radeon_encoder_int_tmds *tmds)
1316{
1317	struct drm_device *dev = encoder->base.dev;
1318	struct radeon_device *rdev = dev->dev_private;
1319	int i;
1320
1321	for (i = 0; i < 4; i++) {
1322		tmds->tmds_pll[i].value =
1323			default_tmds_pll[rdev->family][i].value;
1324		tmds->tmds_pll[i].freq = default_tmds_pll[rdev->family][i].freq;
1325	}
1326
1327	return true;
1328}
1329
1330bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
1331					      struct radeon_encoder_int_tmds *tmds)
1332{
1333	struct drm_device *dev = encoder->base.dev;
1334	struct radeon_device *rdev = dev->dev_private;
1335	uint16_t tmds_info;
1336	int i, n;
1337	uint8_t ver;
1338
1339	tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1340
1341	if (tmds_info) {
1342		ver = RBIOS8(tmds_info);
1343		DRM_DEBUG_KMS("DFP table revision: %d\n", ver);
1344		if (ver == 3) {
1345			n = RBIOS8(tmds_info + 5) + 1;
1346			if (n > 4)
1347				n = 4;
1348			for (i = 0; i < n; i++) {
1349				tmds->tmds_pll[i].value =
1350				    RBIOS32(tmds_info + i * 10 + 0x08);
1351				tmds->tmds_pll[i].freq =
1352				    RBIOS16(tmds_info + i * 10 + 0x10);
1353				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1354					  tmds->tmds_pll[i].freq,
1355					  tmds->tmds_pll[i].value);
1356			}
1357		} else if (ver == 4) {
1358			int stride = 0;
1359			n = RBIOS8(tmds_info + 5) + 1;
1360			if (n > 4)
1361				n = 4;
1362			for (i = 0; i < n; i++) {
1363				tmds->tmds_pll[i].value =
1364				    RBIOS32(tmds_info + stride + 0x08);
1365				tmds->tmds_pll[i].freq =
1366				    RBIOS16(tmds_info + stride + 0x10);
1367				if (i == 0)
1368					stride += 10;
1369				else
1370					stride += 6;
1371				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1372					  tmds->tmds_pll[i].freq,
1373					  tmds->tmds_pll[i].value);
1374			}
1375		}
1376	} else {
1377		DRM_INFO("No TMDS info found in BIOS\n");
1378		return false;
1379	}
1380	return true;
1381}
1382
1383bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
1384						struct radeon_encoder_ext_tmds *tmds)
1385{
1386	struct drm_device *dev = encoder->base.dev;
1387	struct radeon_device *rdev = dev->dev_private;
1388	struct radeon_i2c_bus_rec i2c_bus;
1389
1390	/* default for macs */
1391	i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1392	tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1393
1394	/* XXX some macs have duallink chips */
1395	switch (rdev->mode_info.connector_table) {
1396	case CT_POWERBOOK_EXTERNAL:
1397	case CT_MINI_EXTERNAL:
1398	default:
1399		tmds->dvo_chip = DVO_SIL164;
1400		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1401		break;
1402	}
1403
1404	return true;
1405}
1406
1407bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
1408						  struct radeon_encoder_ext_tmds *tmds)
1409{
1410	struct drm_device *dev = encoder->base.dev;
1411	struct radeon_device *rdev = dev->dev_private;
1412	uint16_t offset;
1413	uint8_t ver;
1414	enum radeon_combios_ddc gpio;
1415	struct radeon_i2c_bus_rec i2c_bus;
1416
1417	tmds->i2c_bus = NULL;
1418	if (rdev->flags & RADEON_IS_IGP) {
1419		i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1420		tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1421		tmds->dvo_chip = DVO_SIL164;
1422		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1423	} else {
1424		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
1425		if (offset) {
1426			ver = RBIOS8(offset);
1427			DRM_DEBUG_KMS("External TMDS Table revision: %d\n", ver);
1428			tmds->slave_addr = RBIOS8(offset + 4 + 2);
1429			tmds->slave_addr >>= 1; /* 7 bit addressing */
1430			gpio = RBIOS8(offset + 4 + 3);
1431			if (gpio == DDC_LCD) {
1432				/* MM i2c */
1433				i2c_bus.valid = true;
1434				i2c_bus.hw_capable = true;
1435				i2c_bus.mm_i2c = true;
1436				i2c_bus.i2c_id = 0xa0;
1437			} else
1438				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
1439			tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1440		}
1441	}
1442
1443	if (!tmds->i2c_bus) {
1444		DRM_INFO("No valid Ext TMDS info found in BIOS\n");
1445		return false;
1446	}
1447
1448	return true;
1449}
1450
1451bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
1452{
1453	struct radeon_device *rdev = dev->dev_private;
1454	struct radeon_i2c_bus_rec ddc_i2c;
1455	struct radeon_hpd hpd;
1456
1457	rdev->mode_info.connector_table = radeon_connector_table;
1458	if (rdev->mode_info.connector_table == CT_NONE) {
1459#ifdef CONFIG_PPC_PMAC
1460		if (of_machine_is_compatible("PowerBook3,3")) {
1461			/* powerbook with VGA */
1462			rdev->mode_info.connector_table = CT_POWERBOOK_VGA;
1463		} else if (of_machine_is_compatible("PowerBook3,4") ||
1464			   of_machine_is_compatible("PowerBook3,5")) {
1465			/* powerbook with internal tmds */
1466			rdev->mode_info.connector_table = CT_POWERBOOK_INTERNAL;
1467		} else if (of_machine_is_compatible("PowerBook5,1") ||
1468			   of_machine_is_compatible("PowerBook5,2") ||
1469			   of_machine_is_compatible("PowerBook5,3") ||
1470			   of_machine_is_compatible("PowerBook5,4") ||
1471			   of_machine_is_compatible("PowerBook5,5")) {
1472			/* powerbook with external single link tmds (sil164) */
1473			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1474		} else if (of_machine_is_compatible("PowerBook5,6")) {
1475			/* powerbook with external dual or single link tmds */
1476			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1477		} else if (of_machine_is_compatible("PowerBook5,7") ||
1478			   of_machine_is_compatible("PowerBook5,8") ||
1479			   of_machine_is_compatible("PowerBook5,9")) {
1480			/* PowerBook6,2 ? */
1481			/* powerbook with external dual link tmds (sil1178?) */
1482			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1483		} else if (of_machine_is_compatible("PowerBook4,1") ||
1484			   of_machine_is_compatible("PowerBook4,2") ||
1485			   of_machine_is_compatible("PowerBook4,3") ||
1486			   of_machine_is_compatible("PowerBook6,3") ||
1487			   of_machine_is_compatible("PowerBook6,5") ||
1488			   of_machine_is_compatible("PowerBook6,7")) {
1489			/* ibook */
1490			rdev->mode_info.connector_table = CT_IBOOK;
1491		} else if (of_machine_is_compatible("PowerMac3,5")) {
1492			/* PowerMac G4 Silver radeon 7500 */
1493			rdev->mode_info.connector_table = CT_MAC_G4_SILVER;
1494		} else if (of_machine_is_compatible("PowerMac4,4")) {
1495			/* emac */
1496			rdev->mode_info.connector_table = CT_EMAC;
1497		} else if (of_machine_is_compatible("PowerMac10,1")) {
1498			/* mini with internal tmds */
1499			rdev->mode_info.connector_table = CT_MINI_INTERNAL;
1500		} else if (of_machine_is_compatible("PowerMac10,2")) {
1501			/* mini with external tmds */
1502			rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
1503		} else if (of_machine_is_compatible("PowerMac12,1")) {
1504			/* PowerMac8,1 ? */
1505			/* imac g5 isight */
1506			rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
1507		} else if ((rdev->pdev->device == 0x4a48) &&
1508			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1509			   (rdev->pdev->subsystem_device == 0x4a48)) {
1510			/* Mac X800 */
1511			rdev->mode_info.connector_table = CT_MAC_X800;
1512		} else if ((of_machine_is_compatible("PowerMac7,2") ||
1513			    of_machine_is_compatible("PowerMac7,3")) &&
1514			   (rdev->pdev->device == 0x4150) &&
1515			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1516			   (rdev->pdev->subsystem_device == 0x4150)) {
1517			/* Mac G5 tower 9600 */
1518			rdev->mode_info.connector_table = CT_MAC_G5_9600;
1519		} else if ((rdev->pdev->device == 0x4c66) &&
1520			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1521			   (rdev->pdev->subsystem_device == 0x4c66)) {
1522			/* SAM440ep RV250 embedded board */
1523			rdev->mode_info.connector_table = CT_SAM440EP;
1524		} else
1525#endif /* CONFIG_PPC_PMAC */
1526#ifdef CONFIG_PPC64
1527		if (ASIC_IS_RN50(rdev))
1528			rdev->mode_info.connector_table = CT_RN50_POWER;
1529		else
1530#endif
1531			rdev->mode_info.connector_table = CT_GENERIC;
1532	}
1533
1534	switch (rdev->mode_info.connector_table) {
1535	case CT_GENERIC:
1536		DRM_INFO("Connector Table: %d (generic)\n",
1537			 rdev->mode_info.connector_table);
1538		/* these are the most common settings */
1539		if (rdev->flags & RADEON_SINGLE_CRTC) {
1540			/* VGA - primary dac */
1541			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1542			hpd.hpd = RADEON_HPD_NONE;
1543			radeon_add_legacy_encoder(dev,
1544						  radeon_get_encoder_enum(dev,
1545									ATOM_DEVICE_CRT1_SUPPORT,
1546									1),
1547						  ATOM_DEVICE_CRT1_SUPPORT);
1548			radeon_add_legacy_connector(dev, 0,
1549						    ATOM_DEVICE_CRT1_SUPPORT,
1550						    DRM_MODE_CONNECTOR_VGA,
1551						    &ddc_i2c,
1552						    CONNECTOR_OBJECT_ID_VGA,
1553						    &hpd);
1554		} else if (rdev->flags & RADEON_IS_MOBILITY) {
1555			/* LVDS */
1556			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
1557			hpd.hpd = RADEON_HPD_NONE;
1558			radeon_add_legacy_encoder(dev,
1559						  radeon_get_encoder_enum(dev,
1560									ATOM_DEVICE_LCD1_SUPPORT,
1561									0),
1562						  ATOM_DEVICE_LCD1_SUPPORT);
1563			radeon_add_legacy_connector(dev, 0,
1564						    ATOM_DEVICE_LCD1_SUPPORT,
1565						    DRM_MODE_CONNECTOR_LVDS,
1566						    &ddc_i2c,
1567						    CONNECTOR_OBJECT_ID_LVDS,
1568						    &hpd);
1569
1570			/* VGA - primary dac */
1571			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1572			hpd.hpd = RADEON_HPD_NONE;
1573			radeon_add_legacy_encoder(dev,
1574						  radeon_get_encoder_enum(dev,
1575									ATOM_DEVICE_CRT1_SUPPORT,
1576									1),
1577						  ATOM_DEVICE_CRT1_SUPPORT);
1578			radeon_add_legacy_connector(dev, 1,
1579						    ATOM_DEVICE_CRT1_SUPPORT,
1580						    DRM_MODE_CONNECTOR_VGA,
1581						    &ddc_i2c,
1582						    CONNECTOR_OBJECT_ID_VGA,
1583						    &hpd);
1584		} else {
1585			/* DVI-I - tv dac, int tmds */
1586			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1587			hpd.hpd = RADEON_HPD_1;
1588			radeon_add_legacy_encoder(dev,
1589						  radeon_get_encoder_enum(dev,
1590									ATOM_DEVICE_DFP1_SUPPORT,
1591									0),
1592						  ATOM_DEVICE_DFP1_SUPPORT);
1593			radeon_add_legacy_encoder(dev,
1594						  radeon_get_encoder_enum(dev,
1595									ATOM_DEVICE_CRT2_SUPPORT,
1596									2),
1597						  ATOM_DEVICE_CRT2_SUPPORT);
1598			radeon_add_legacy_connector(dev, 0,
1599						    ATOM_DEVICE_DFP1_SUPPORT |
1600						    ATOM_DEVICE_CRT2_SUPPORT,
1601						    DRM_MODE_CONNECTOR_DVII,
1602						    &ddc_i2c,
1603						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1604						    &hpd);
1605
1606			/* VGA - primary dac */
1607			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1608			hpd.hpd = RADEON_HPD_NONE;
1609			radeon_add_legacy_encoder(dev,
1610						  radeon_get_encoder_enum(dev,
1611									ATOM_DEVICE_CRT1_SUPPORT,
1612									1),
1613						  ATOM_DEVICE_CRT1_SUPPORT);
1614			radeon_add_legacy_connector(dev, 1,
1615						    ATOM_DEVICE_CRT1_SUPPORT,
1616						    DRM_MODE_CONNECTOR_VGA,
1617						    &ddc_i2c,
1618						    CONNECTOR_OBJECT_ID_VGA,
1619						    &hpd);
1620		}
1621
1622		if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1623			/* TV - tv dac */
1624			ddc_i2c.valid = false;
1625			hpd.hpd = RADEON_HPD_NONE;
1626			radeon_add_legacy_encoder(dev,
1627						  radeon_get_encoder_enum(dev,
1628									ATOM_DEVICE_TV1_SUPPORT,
1629									2),
1630						  ATOM_DEVICE_TV1_SUPPORT);
1631			radeon_add_legacy_connector(dev, 2,
1632						    ATOM_DEVICE_TV1_SUPPORT,
1633						    DRM_MODE_CONNECTOR_SVIDEO,
1634						    &ddc_i2c,
1635						    CONNECTOR_OBJECT_ID_SVIDEO,
1636						    &hpd);
1637		}
1638		break;
1639	case CT_IBOOK:
1640		DRM_INFO("Connector Table: %d (ibook)\n",
1641			 rdev->mode_info.connector_table);
1642		/* LVDS */
1643		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1644		hpd.hpd = RADEON_HPD_NONE;
1645		radeon_add_legacy_encoder(dev,
1646					  radeon_get_encoder_enum(dev,
1647								ATOM_DEVICE_LCD1_SUPPORT,
1648								0),
1649					  ATOM_DEVICE_LCD1_SUPPORT);
1650		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1651					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1652					    CONNECTOR_OBJECT_ID_LVDS,
1653					    &hpd);
1654		/* VGA - TV DAC */
1655		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1656		hpd.hpd = RADEON_HPD_NONE;
1657		radeon_add_legacy_encoder(dev,
1658					  radeon_get_encoder_enum(dev,
1659								ATOM_DEVICE_CRT2_SUPPORT,
1660								2),
1661					  ATOM_DEVICE_CRT2_SUPPORT);
1662		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1663					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1664					    CONNECTOR_OBJECT_ID_VGA,
1665					    &hpd);
1666		/* TV - TV DAC */
1667		ddc_i2c.valid = false;
1668		hpd.hpd = RADEON_HPD_NONE;
1669		radeon_add_legacy_encoder(dev,
1670					  radeon_get_encoder_enum(dev,
1671								ATOM_DEVICE_TV1_SUPPORT,
1672								2),
1673					  ATOM_DEVICE_TV1_SUPPORT);
1674		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1675					    DRM_MODE_CONNECTOR_SVIDEO,
1676					    &ddc_i2c,
1677					    CONNECTOR_OBJECT_ID_SVIDEO,
1678					    &hpd);
1679		break;
1680	case CT_POWERBOOK_EXTERNAL:
1681		DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
1682			 rdev->mode_info.connector_table);
1683		/* LVDS */
1684		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1685		hpd.hpd = RADEON_HPD_NONE;
1686		radeon_add_legacy_encoder(dev,
1687					  radeon_get_encoder_enum(dev,
1688								ATOM_DEVICE_LCD1_SUPPORT,
1689								0),
1690					  ATOM_DEVICE_LCD1_SUPPORT);
1691		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1692					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1693					    CONNECTOR_OBJECT_ID_LVDS,
1694					    &hpd);
1695		/* DVI-I - primary dac, ext tmds */
1696		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1697		hpd.hpd = RADEON_HPD_2; /* ??? */
1698		radeon_add_legacy_encoder(dev,
1699					  radeon_get_encoder_enum(dev,
1700								ATOM_DEVICE_DFP2_SUPPORT,
1701								0),
1702					  ATOM_DEVICE_DFP2_SUPPORT);
1703		radeon_add_legacy_encoder(dev,
1704					  radeon_get_encoder_enum(dev,
1705								ATOM_DEVICE_CRT1_SUPPORT,
1706								1),
1707					  ATOM_DEVICE_CRT1_SUPPORT);
1708		/* XXX some are SL */
1709		radeon_add_legacy_connector(dev, 1,
1710					    ATOM_DEVICE_DFP2_SUPPORT |
1711					    ATOM_DEVICE_CRT1_SUPPORT,
1712					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1713					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
1714					    &hpd);
1715		/* TV - TV DAC */
1716		ddc_i2c.valid = false;
1717		hpd.hpd = RADEON_HPD_NONE;
1718		radeon_add_legacy_encoder(dev,
1719					  radeon_get_encoder_enum(dev,
1720								ATOM_DEVICE_TV1_SUPPORT,
1721								2),
1722					  ATOM_DEVICE_TV1_SUPPORT);
1723		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1724					    DRM_MODE_CONNECTOR_SVIDEO,
1725					    &ddc_i2c,
1726					    CONNECTOR_OBJECT_ID_SVIDEO,
1727					    &hpd);
1728		break;
1729	case CT_POWERBOOK_INTERNAL:
1730		DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
1731			 rdev->mode_info.connector_table);
1732		/* LVDS */
1733		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1734		hpd.hpd = RADEON_HPD_NONE;
1735		radeon_add_legacy_encoder(dev,
1736					  radeon_get_encoder_enum(dev,
1737								ATOM_DEVICE_LCD1_SUPPORT,
1738								0),
1739					  ATOM_DEVICE_LCD1_SUPPORT);
1740		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1741					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1742					    CONNECTOR_OBJECT_ID_LVDS,
1743					    &hpd);
1744		/* DVI-I - primary dac, int tmds */
1745		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1746		hpd.hpd = RADEON_HPD_1; /* ??? */
1747		radeon_add_legacy_encoder(dev,
1748					  radeon_get_encoder_enum(dev,
1749								ATOM_DEVICE_DFP1_SUPPORT,
1750								0),
1751					  ATOM_DEVICE_DFP1_SUPPORT);
1752		radeon_add_legacy_encoder(dev,
1753					  radeon_get_encoder_enum(dev,
1754								ATOM_DEVICE_CRT1_SUPPORT,
1755								1),
1756					  ATOM_DEVICE_CRT1_SUPPORT);
1757		radeon_add_legacy_connector(dev, 1,
1758					    ATOM_DEVICE_DFP1_SUPPORT |
1759					    ATOM_DEVICE_CRT1_SUPPORT,
1760					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1761					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1762					    &hpd);
1763		/* TV - TV DAC */
1764		ddc_i2c.valid = false;
1765		hpd.hpd = RADEON_HPD_NONE;
1766		radeon_add_legacy_encoder(dev,
1767					  radeon_get_encoder_enum(dev,
1768								ATOM_DEVICE_TV1_SUPPORT,
1769								2),
1770					  ATOM_DEVICE_TV1_SUPPORT);
1771		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1772					    DRM_MODE_CONNECTOR_SVIDEO,
1773					    &ddc_i2c,
1774					    CONNECTOR_OBJECT_ID_SVIDEO,
1775					    &hpd);
1776		break;
1777	case CT_POWERBOOK_VGA:
1778		DRM_INFO("Connector Table: %d (powerbook vga)\n",
1779			 rdev->mode_info.connector_table);
1780		/* LVDS */
1781		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1782		hpd.hpd = RADEON_HPD_NONE;
1783		radeon_add_legacy_encoder(dev,
1784					  radeon_get_encoder_enum(dev,
1785								ATOM_DEVICE_LCD1_SUPPORT,
1786								0),
1787					  ATOM_DEVICE_LCD1_SUPPORT);
1788		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1789					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1790					    CONNECTOR_OBJECT_ID_LVDS,
1791					    &hpd);
1792		/* VGA - primary dac */
1793		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1794		hpd.hpd = RADEON_HPD_NONE;
1795		radeon_add_legacy_encoder(dev,
1796					  radeon_get_encoder_enum(dev,
1797								ATOM_DEVICE_CRT1_SUPPORT,
1798								1),
1799					  ATOM_DEVICE_CRT1_SUPPORT);
1800		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
1801					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1802					    CONNECTOR_OBJECT_ID_VGA,
1803					    &hpd);
1804		/* TV - TV DAC */
1805		ddc_i2c.valid = false;
1806		hpd.hpd = RADEON_HPD_NONE;
1807		radeon_add_legacy_encoder(dev,
1808					  radeon_get_encoder_enum(dev,
1809								ATOM_DEVICE_TV1_SUPPORT,
1810								2),
1811					  ATOM_DEVICE_TV1_SUPPORT);
1812		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1813					    DRM_MODE_CONNECTOR_SVIDEO,
1814					    &ddc_i2c,
1815					    CONNECTOR_OBJECT_ID_SVIDEO,
1816					    &hpd);
1817		break;
1818	case CT_MINI_EXTERNAL:
1819		DRM_INFO("Connector Table: %d (mini external tmds)\n",
1820			 rdev->mode_info.connector_table);
1821		/* DVI-I - tv dac, ext tmds */
1822		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1823		hpd.hpd = RADEON_HPD_2; /* ??? */
1824		radeon_add_legacy_encoder(dev,
1825					  radeon_get_encoder_enum(dev,
1826								ATOM_DEVICE_DFP2_SUPPORT,
1827								0),
1828					  ATOM_DEVICE_DFP2_SUPPORT);
1829		radeon_add_legacy_encoder(dev,
1830					  radeon_get_encoder_enum(dev,
1831								ATOM_DEVICE_CRT2_SUPPORT,
1832								2),
1833					  ATOM_DEVICE_CRT2_SUPPORT);
1834		/* XXX are any DL? */
1835		radeon_add_legacy_connector(dev, 0,
1836					    ATOM_DEVICE_DFP2_SUPPORT |
1837					    ATOM_DEVICE_CRT2_SUPPORT,
1838					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1839					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1840					    &hpd);
1841		/* TV - TV DAC */
1842		ddc_i2c.valid = false;
1843		hpd.hpd = RADEON_HPD_NONE;
1844		radeon_add_legacy_encoder(dev,
1845					  radeon_get_encoder_enum(dev,
1846								ATOM_DEVICE_TV1_SUPPORT,
1847								2),
1848					  ATOM_DEVICE_TV1_SUPPORT);
1849		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1850					    DRM_MODE_CONNECTOR_SVIDEO,
1851					    &ddc_i2c,
1852					    CONNECTOR_OBJECT_ID_SVIDEO,
1853					    &hpd);
1854		break;
1855	case CT_MINI_INTERNAL:
1856		DRM_INFO("Connector Table: %d (mini internal tmds)\n",
1857			 rdev->mode_info.connector_table);
1858		/* DVI-I - tv dac, int tmds */
1859		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1860		hpd.hpd = RADEON_HPD_1; /* ??? */
1861		radeon_add_legacy_encoder(dev,
1862					  radeon_get_encoder_enum(dev,
1863								ATOM_DEVICE_DFP1_SUPPORT,
1864								0),
1865					  ATOM_DEVICE_DFP1_SUPPORT);
1866		radeon_add_legacy_encoder(dev,
1867					  radeon_get_encoder_enum(dev,
1868								ATOM_DEVICE_CRT2_SUPPORT,
1869								2),
1870					  ATOM_DEVICE_CRT2_SUPPORT);
1871		radeon_add_legacy_connector(dev, 0,
1872					    ATOM_DEVICE_DFP1_SUPPORT |
1873					    ATOM_DEVICE_CRT2_SUPPORT,
1874					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1875					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1876					    &hpd);
1877		/* TV - TV DAC */
1878		ddc_i2c.valid = false;
1879		hpd.hpd = RADEON_HPD_NONE;
1880		radeon_add_legacy_encoder(dev,
1881					  radeon_get_encoder_enum(dev,
1882								ATOM_DEVICE_TV1_SUPPORT,
1883								2),
1884					  ATOM_DEVICE_TV1_SUPPORT);
1885		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1886					    DRM_MODE_CONNECTOR_SVIDEO,
1887					    &ddc_i2c,
1888					    CONNECTOR_OBJECT_ID_SVIDEO,
1889					    &hpd);
1890		break;
1891	case CT_IMAC_G5_ISIGHT:
1892		DRM_INFO("Connector Table: %d (imac g5 isight)\n",
1893			 rdev->mode_info.connector_table);
1894		/* DVI-D - int tmds */
1895		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1896		hpd.hpd = RADEON_HPD_1; /* ??? */
1897		radeon_add_legacy_encoder(dev,
1898					  radeon_get_encoder_enum(dev,
1899								ATOM_DEVICE_DFP1_SUPPORT,
1900								0),
1901					  ATOM_DEVICE_DFP1_SUPPORT);
1902		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
1903					    DRM_MODE_CONNECTOR_DVID, &ddc_i2c,
1904					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
1905					    &hpd);
1906		/* VGA - tv dac */
1907		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1908		hpd.hpd = RADEON_HPD_NONE;
1909		radeon_add_legacy_encoder(dev,
1910					  radeon_get_encoder_enum(dev,
1911								ATOM_DEVICE_CRT2_SUPPORT,
1912								2),
1913					  ATOM_DEVICE_CRT2_SUPPORT);
1914		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1915					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1916					    CONNECTOR_OBJECT_ID_VGA,
1917					    &hpd);
1918		/* TV - TV DAC */
1919		ddc_i2c.valid = false;
1920		hpd.hpd = RADEON_HPD_NONE;
1921		radeon_add_legacy_encoder(dev,
1922					  radeon_get_encoder_enum(dev,
1923								ATOM_DEVICE_TV1_SUPPORT,
1924								2),
1925					  ATOM_DEVICE_TV1_SUPPORT);
1926		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1927					    DRM_MODE_CONNECTOR_SVIDEO,
1928					    &ddc_i2c,
1929					    CONNECTOR_OBJECT_ID_SVIDEO,
1930					    &hpd);
1931		break;
1932	case CT_EMAC:
1933		DRM_INFO("Connector Table: %d (emac)\n",
1934			 rdev->mode_info.connector_table);
1935		/* VGA - primary dac */
1936		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1937		hpd.hpd = RADEON_HPD_NONE;
1938		radeon_add_legacy_encoder(dev,
1939					  radeon_get_encoder_enum(dev,
1940								ATOM_DEVICE_CRT1_SUPPORT,
1941								1),
1942					  ATOM_DEVICE_CRT1_SUPPORT);
1943		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1944					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1945					    CONNECTOR_OBJECT_ID_VGA,
1946					    &hpd);
1947		/* VGA - tv dac */
1948		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1949		hpd.hpd = RADEON_HPD_NONE;
1950		radeon_add_legacy_encoder(dev,
1951					  radeon_get_encoder_enum(dev,
1952								ATOM_DEVICE_CRT2_SUPPORT,
1953								2),
1954					  ATOM_DEVICE_CRT2_SUPPORT);
1955		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1956					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1957					    CONNECTOR_OBJECT_ID_VGA,
1958					    &hpd);
1959		/* TV - TV DAC */
1960		ddc_i2c.valid = false;
1961		hpd.hpd = RADEON_HPD_NONE;
1962		radeon_add_legacy_encoder(dev,
1963					  radeon_get_encoder_enum(dev,
1964								ATOM_DEVICE_TV1_SUPPORT,
1965								2),
1966					  ATOM_DEVICE_TV1_SUPPORT);
1967		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1968					    DRM_MODE_CONNECTOR_SVIDEO,
1969					    &ddc_i2c,
1970					    CONNECTOR_OBJECT_ID_SVIDEO,
1971					    &hpd);
1972		break;
1973	case CT_RN50_POWER:
1974		DRM_INFO("Connector Table: %d (rn50-power)\n",
1975			 rdev->mode_info.connector_table);
1976		/* VGA - primary dac */
1977		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1978		hpd.hpd = RADEON_HPD_NONE;
1979		radeon_add_legacy_encoder(dev,
1980					  radeon_get_encoder_enum(dev,
1981								ATOM_DEVICE_CRT1_SUPPORT,
1982								1),
1983					  ATOM_DEVICE_CRT1_SUPPORT);
1984		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1985					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1986					    CONNECTOR_OBJECT_ID_VGA,
1987					    &hpd);
1988		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1989		hpd.hpd = RADEON_HPD_NONE;
1990		radeon_add_legacy_encoder(dev,
1991					  radeon_get_encoder_enum(dev,
1992								ATOM_DEVICE_CRT2_SUPPORT,
1993								2),
1994					  ATOM_DEVICE_CRT2_SUPPORT);
1995		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1996					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1997					    CONNECTOR_OBJECT_ID_VGA,
1998					    &hpd);
1999		break;
2000	case CT_MAC_X800:
2001		DRM_INFO("Connector Table: %d (mac x800)\n",
2002			 rdev->mode_info.connector_table);
2003		/* DVI - primary dac, internal tmds */
2004		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2005		hpd.hpd = RADEON_HPD_1; /* ??? */
2006		radeon_add_legacy_encoder(dev,
2007					  radeon_get_encoder_enum(dev,
2008								  ATOM_DEVICE_DFP1_SUPPORT,
2009								  0),
2010					  ATOM_DEVICE_DFP1_SUPPORT);
2011		radeon_add_legacy_encoder(dev,
2012					  radeon_get_encoder_enum(dev,
2013								  ATOM_DEVICE_CRT1_SUPPORT,
2014								  1),
2015					  ATOM_DEVICE_CRT1_SUPPORT);
2016		radeon_add_legacy_connector(dev, 0,
2017					    ATOM_DEVICE_DFP1_SUPPORT |
2018					    ATOM_DEVICE_CRT1_SUPPORT,
2019					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2020					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2021					    &hpd);
2022		/* DVI - tv dac, dvo */
2023		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2024		hpd.hpd = RADEON_HPD_2; /* ??? */
2025		radeon_add_legacy_encoder(dev,
2026					  radeon_get_encoder_enum(dev,
2027								  ATOM_DEVICE_DFP2_SUPPORT,
2028								  0),
2029					  ATOM_DEVICE_DFP2_SUPPORT);
2030		radeon_add_legacy_encoder(dev,
2031					  radeon_get_encoder_enum(dev,
2032								  ATOM_DEVICE_CRT2_SUPPORT,
2033								  2),
2034					  ATOM_DEVICE_CRT2_SUPPORT);
2035		radeon_add_legacy_connector(dev, 1,
2036					    ATOM_DEVICE_DFP2_SUPPORT |
2037					    ATOM_DEVICE_CRT2_SUPPORT,
2038					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2039					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
2040					    &hpd);
2041		break;
2042	case CT_MAC_G5_9600:
2043		DRM_INFO("Connector Table: %d (mac g5 9600)\n",
2044			 rdev->mode_info.connector_table);
2045		/* DVI - tv dac, dvo */
2046		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2047		hpd.hpd = RADEON_HPD_1; /* ??? */
2048		radeon_add_legacy_encoder(dev,
2049					  radeon_get_encoder_enum(dev,
2050								  ATOM_DEVICE_DFP2_SUPPORT,
2051								  0),
2052					  ATOM_DEVICE_DFP2_SUPPORT);
2053		radeon_add_legacy_encoder(dev,
2054					  radeon_get_encoder_enum(dev,
2055								  ATOM_DEVICE_CRT2_SUPPORT,
2056								  2),
2057					  ATOM_DEVICE_CRT2_SUPPORT);
2058		radeon_add_legacy_connector(dev, 0,
2059					    ATOM_DEVICE_DFP2_SUPPORT |
2060					    ATOM_DEVICE_CRT2_SUPPORT,
2061					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2062					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2063					    &hpd);
2064		/* ADC - primary dac, internal tmds */
2065		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2066		hpd.hpd = RADEON_HPD_2; /* ??? */
2067		radeon_add_legacy_encoder(dev,
2068					  radeon_get_encoder_enum(dev,
2069								  ATOM_DEVICE_DFP1_SUPPORT,
2070								  0),
2071					  ATOM_DEVICE_DFP1_SUPPORT);
2072		radeon_add_legacy_encoder(dev,
2073					  radeon_get_encoder_enum(dev,
2074								  ATOM_DEVICE_CRT1_SUPPORT,
2075								  1),
2076					  ATOM_DEVICE_CRT1_SUPPORT);
2077		radeon_add_legacy_connector(dev, 1,
2078					    ATOM_DEVICE_DFP1_SUPPORT |
2079					    ATOM_DEVICE_CRT1_SUPPORT,
2080					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2081					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2082					    &hpd);
2083		/* TV - TV DAC */
2084		ddc_i2c.valid = false;
2085		hpd.hpd = RADEON_HPD_NONE;
2086		radeon_add_legacy_encoder(dev,
2087					  radeon_get_encoder_enum(dev,
2088								ATOM_DEVICE_TV1_SUPPORT,
2089								2),
2090					  ATOM_DEVICE_TV1_SUPPORT);
2091		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2092					    DRM_MODE_CONNECTOR_SVIDEO,
2093					    &ddc_i2c,
2094					    CONNECTOR_OBJECT_ID_SVIDEO,
2095					    &hpd);
2096		break;
2097	case CT_SAM440EP:
2098		DRM_INFO("Connector Table: %d (SAM440ep embedded board)\n",
2099			 rdev->mode_info.connector_table);
2100		/* LVDS */
2101		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
2102		hpd.hpd = RADEON_HPD_NONE;
2103		radeon_add_legacy_encoder(dev,
2104					  radeon_get_encoder_enum(dev,
2105								ATOM_DEVICE_LCD1_SUPPORT,
2106								0),
2107					  ATOM_DEVICE_LCD1_SUPPORT);
2108		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
2109					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
2110					    CONNECTOR_OBJECT_ID_LVDS,
2111					    &hpd);
2112		/* DVI-I - secondary dac, int tmds */
2113		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2114		hpd.hpd = RADEON_HPD_1; /* ??? */
2115		radeon_add_legacy_encoder(dev,
2116					  radeon_get_encoder_enum(dev,
2117								ATOM_DEVICE_DFP1_SUPPORT,
2118								0),
2119					  ATOM_DEVICE_DFP1_SUPPORT);
2120		radeon_add_legacy_encoder(dev,
2121					  radeon_get_encoder_enum(dev,
2122								ATOM_DEVICE_CRT2_SUPPORT,
2123								2),
2124					  ATOM_DEVICE_CRT2_SUPPORT);
2125		radeon_add_legacy_connector(dev, 1,
2126					    ATOM_DEVICE_DFP1_SUPPORT |
2127					    ATOM_DEVICE_CRT2_SUPPORT,
2128					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2129					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2130					    &hpd);
2131		/* VGA - primary dac */
2132		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2133		hpd.hpd = RADEON_HPD_NONE;
2134		radeon_add_legacy_encoder(dev,
2135					  radeon_get_encoder_enum(dev,
2136								ATOM_DEVICE_CRT1_SUPPORT,
2137								1),
2138					  ATOM_DEVICE_CRT1_SUPPORT);
2139		radeon_add_legacy_connector(dev, 2,
2140					    ATOM_DEVICE_CRT1_SUPPORT,
2141					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2142					    CONNECTOR_OBJECT_ID_VGA,
2143					    &hpd);
2144		/* TV - TV DAC */
2145		ddc_i2c.valid = false;
2146		hpd.hpd = RADEON_HPD_NONE;
2147		radeon_add_legacy_encoder(dev,
2148					  radeon_get_encoder_enum(dev,
2149								ATOM_DEVICE_TV1_SUPPORT,
2150								2),
2151					  ATOM_DEVICE_TV1_SUPPORT);
2152		radeon_add_legacy_connector(dev, 3, ATOM_DEVICE_TV1_SUPPORT,
2153					    DRM_MODE_CONNECTOR_SVIDEO,
2154					    &ddc_i2c,
2155					    CONNECTOR_OBJECT_ID_SVIDEO,
2156					    &hpd);
2157		break;
2158	case CT_MAC_G4_SILVER:
2159		DRM_INFO("Connector Table: %d (mac g4 silver)\n",
2160			 rdev->mode_info.connector_table);
2161		/* DVI-I - tv dac, int tmds */
2162		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2163		hpd.hpd = RADEON_HPD_1; /* ??? */
2164		radeon_add_legacy_encoder(dev,
2165					  radeon_get_encoder_enum(dev,
2166								ATOM_DEVICE_DFP1_SUPPORT,
2167								0),
2168					  ATOM_DEVICE_DFP1_SUPPORT);
2169		radeon_add_legacy_encoder(dev,
2170					  radeon_get_encoder_enum(dev,
2171								ATOM_DEVICE_CRT2_SUPPORT,
2172								2),
2173					  ATOM_DEVICE_CRT2_SUPPORT);
2174		radeon_add_legacy_connector(dev, 0,
2175					    ATOM_DEVICE_DFP1_SUPPORT |
2176					    ATOM_DEVICE_CRT2_SUPPORT,
2177					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2178					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2179					    &hpd);
2180		/* VGA - primary dac */
2181		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2182		hpd.hpd = RADEON_HPD_NONE;
2183		radeon_add_legacy_encoder(dev,
2184					  radeon_get_encoder_enum(dev,
2185								ATOM_DEVICE_CRT1_SUPPORT,
2186								1),
2187					  ATOM_DEVICE_CRT1_SUPPORT);
2188		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
2189					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2190					    CONNECTOR_OBJECT_ID_VGA,
2191					    &hpd);
2192		/* TV - TV DAC */
2193		ddc_i2c.valid = false;
2194		hpd.hpd = RADEON_HPD_NONE;
2195		radeon_add_legacy_encoder(dev,
2196					  radeon_get_encoder_enum(dev,
2197								ATOM_DEVICE_TV1_SUPPORT,
2198								2),
2199					  ATOM_DEVICE_TV1_SUPPORT);
2200		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2201					    DRM_MODE_CONNECTOR_SVIDEO,
2202					    &ddc_i2c,
2203					    CONNECTOR_OBJECT_ID_SVIDEO,
2204					    &hpd);
2205		break;
2206	default:
2207		DRM_INFO("Connector table: %d (invalid)\n",
2208			 rdev->mode_info.connector_table);
2209		return false;
2210	}
2211
2212	radeon_link_encoder_connector(dev);
2213
2214	return true;
2215}
2216
2217static bool radeon_apply_legacy_quirks(struct drm_device *dev,
2218				       int bios_index,
2219				       enum radeon_combios_connector
2220				       *legacy_connector,
2221				       struct radeon_i2c_bus_rec *ddc_i2c,
2222				       struct radeon_hpd *hpd)
2223{
2224	struct radeon_device *rdev = dev->dev_private;
2225
2226	/* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
2227	   one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
2228	if (rdev->pdev->device == 0x515e &&
2229	    rdev->pdev->subsystem_vendor == 0x1014) {
2230		if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
2231		    ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
2232			return false;
2233	}
2234
2235	/* X300 card with extra non-existent DVI port */
2236	if (rdev->pdev->device == 0x5B60 &&
2237	    rdev->pdev->subsystem_vendor == 0x17af &&
2238	    rdev->pdev->subsystem_device == 0x201e && bios_index == 2) {
2239		if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
2240			return false;
2241	}
2242
2243	return true;
2244}
2245
2246static bool radeon_apply_legacy_tv_quirks(struct drm_device *dev)
2247{
2248	struct radeon_device *rdev = dev->dev_private;
2249
2250	/* Acer 5102 has non-existent TV port */
2251	if (rdev->pdev->device == 0x5975 &&
2252	    rdev->pdev->subsystem_vendor == 0x1025 &&
2253	    rdev->pdev->subsystem_device == 0x009f)
2254		return false;
2255
2256	/* HP dc5750 has non-existent TV port */
2257	if (rdev->pdev->device == 0x5974 &&
2258	    rdev->pdev->subsystem_vendor == 0x103c &&
2259	    rdev->pdev->subsystem_device == 0x280a)
2260		return false;
2261
2262	/* MSI S270 has non-existent TV port */
2263	if (rdev->pdev->device == 0x5955 &&
2264	    rdev->pdev->subsystem_vendor == 0x1462 &&
2265	    rdev->pdev->subsystem_device == 0x0131)
2266		return false;
2267
2268	return true;
2269}
2270
2271static uint16_t combios_check_dl_dvi(struct drm_device *dev, int is_dvi_d)
2272{
2273	struct radeon_device *rdev = dev->dev_private;
2274	uint32_t ext_tmds_info;
2275
2276	if (rdev->flags & RADEON_IS_IGP) {
2277		if (is_dvi_d)
2278			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2279		else
2280			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2281	}
2282	ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2283	if (ext_tmds_info) {
2284		uint8_t rev = RBIOS8(ext_tmds_info);
2285		uint8_t flags = RBIOS8(ext_tmds_info + 4 + 5);
2286		if (rev >= 3) {
2287			if (is_dvi_d)
2288				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2289			else
2290				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2291		} else {
2292			if (flags & 1) {
2293				if (is_dvi_d)
2294					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2295				else
2296					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2297			}
2298		}
2299	}
2300	if (is_dvi_d)
2301		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2302	else
2303		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2304}
2305
2306bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
2307{
2308	struct radeon_device *rdev = dev->dev_private;
2309	uint32_t conn_info, entry, devices;
2310	uint16_t tmp, connector_object_id;
2311	enum radeon_combios_ddc ddc_type;
2312	enum radeon_combios_connector connector;
2313	int i = 0;
2314	struct radeon_i2c_bus_rec ddc_i2c;
2315	struct radeon_hpd hpd;
2316
2317	conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
2318	if (conn_info) {
2319		for (i = 0; i < 4; i++) {
2320			entry = conn_info + 2 + i * 2;
2321
2322			if (!RBIOS16(entry))
2323				break;
2324
2325			tmp = RBIOS16(entry);
2326
2327			connector = (tmp >> 12) & 0xf;
2328
2329			ddc_type = (tmp >> 8) & 0xf;
2330			if (ddc_type == 5)
2331				ddc_i2c = radeon_combios_get_i2c_info_from_table(rdev);
2332			else
2333				ddc_i2c = combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2334
2335			switch (connector) {
2336			case CONNECTOR_PROPRIETARY_LEGACY:
2337			case CONNECTOR_DVI_I_LEGACY:
2338			case CONNECTOR_DVI_D_LEGACY:
2339				if ((tmp >> 4) & 0x1)
2340					hpd.hpd = RADEON_HPD_2;
2341				else
2342					hpd.hpd = RADEON_HPD_1;
2343				break;
2344			default:
2345				hpd.hpd = RADEON_HPD_NONE;
2346				break;
2347			}
2348
2349			if (!radeon_apply_legacy_quirks(dev, i, &connector,
2350							&ddc_i2c, &hpd))
2351				continue;
2352
2353			switch (connector) {
2354			case CONNECTOR_PROPRIETARY_LEGACY:
2355				if ((tmp >> 4) & 0x1)
2356					devices = ATOM_DEVICE_DFP2_SUPPORT;
2357				else
2358					devices = ATOM_DEVICE_DFP1_SUPPORT;
2359				radeon_add_legacy_encoder(dev,
2360							  radeon_get_encoder_enum
2361							  (dev, devices, 0),
2362							  devices);
2363				radeon_add_legacy_connector(dev, i, devices,
2364							    legacy_connector_convert
2365							    [connector],
2366							    &ddc_i2c,
2367							    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
2368							    &hpd);
2369				break;
2370			case CONNECTOR_CRT_LEGACY:
2371				if (tmp & 0x1) {
2372					devices = ATOM_DEVICE_CRT2_SUPPORT;
2373					radeon_add_legacy_encoder(dev,
2374								  radeon_get_encoder_enum
2375								  (dev,
2376								   ATOM_DEVICE_CRT2_SUPPORT,
2377								   2),
2378								  ATOM_DEVICE_CRT2_SUPPORT);
2379				} else {
2380					devices = ATOM_DEVICE_CRT1_SUPPORT;
2381					radeon_add_legacy_encoder(dev,
2382								  radeon_get_encoder_enum
2383								  (dev,
2384								   ATOM_DEVICE_CRT1_SUPPORT,
2385								   1),
2386								  ATOM_DEVICE_CRT1_SUPPORT);
2387				}
2388				radeon_add_legacy_connector(dev,
2389							    i,
2390							    devices,
2391							    legacy_connector_convert
2392							    [connector],
2393							    &ddc_i2c,
2394							    CONNECTOR_OBJECT_ID_VGA,
2395							    &hpd);
2396				break;
2397			case CONNECTOR_DVI_I_LEGACY:
2398				devices = 0;
2399				if (tmp & 0x1) {
2400					devices |= ATOM_DEVICE_CRT2_SUPPORT;
2401					radeon_add_legacy_encoder(dev,
2402								  radeon_get_encoder_enum
2403								  (dev,
2404								   ATOM_DEVICE_CRT2_SUPPORT,
2405								   2),
2406								  ATOM_DEVICE_CRT2_SUPPORT);
2407				} else {
2408					devices |= ATOM_DEVICE_CRT1_SUPPORT;
2409					radeon_add_legacy_encoder(dev,
2410								  radeon_get_encoder_enum
2411								  (dev,
2412								   ATOM_DEVICE_CRT1_SUPPORT,
2413								   1),
2414								  ATOM_DEVICE_CRT1_SUPPORT);
2415				}
2416				/* RV100 board with external TDMS bit mis-set.
2417				 * Actually uses internal TMDS, clear the bit.
2418				 */
2419				if (rdev->pdev->device == 0x5159 &&
2420				    rdev->pdev->subsystem_vendor == 0x1014 &&
2421				    rdev->pdev->subsystem_device == 0x029A) {
2422					tmp &= ~(1 << 4);
2423				}
2424				if ((tmp >> 4) & 0x1) {
2425					devices |= ATOM_DEVICE_DFP2_SUPPORT;
2426					radeon_add_legacy_encoder(dev,
2427								  radeon_get_encoder_enum
2428								  (dev,
2429								   ATOM_DEVICE_DFP2_SUPPORT,
2430								   0),
2431								  ATOM_DEVICE_DFP2_SUPPORT);
2432					connector_object_id = combios_check_dl_dvi(dev, 0);
2433				} else {
2434					devices |= ATOM_DEVICE_DFP1_SUPPORT;
2435					radeon_add_legacy_encoder(dev,
2436								  radeon_get_encoder_enum
2437								  (dev,
2438								   ATOM_DEVICE_DFP1_SUPPORT,
2439								   0),
2440								  ATOM_DEVICE_DFP1_SUPPORT);
2441					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2442				}
2443				radeon_add_legacy_connector(dev,
2444							    i,
2445							    devices,
2446							    legacy_connector_convert
2447							    [connector],
2448							    &ddc_i2c,
2449							    connector_object_id,
2450							    &hpd);
2451				break;
2452			case CONNECTOR_DVI_D_LEGACY:
2453				if ((tmp >> 4) & 0x1) {
2454					devices = ATOM_DEVICE_DFP2_SUPPORT;
2455					connector_object_id = combios_check_dl_dvi(dev, 1);
2456				} else {
2457					devices = ATOM_DEVICE_DFP1_SUPPORT;
2458					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2459				}
2460				radeon_add_legacy_encoder(dev,
2461							  radeon_get_encoder_enum
2462							  (dev, devices, 0),
2463							  devices);
2464				radeon_add_legacy_connector(dev, i, devices,
2465							    legacy_connector_convert
2466							    [connector],
2467							    &ddc_i2c,
2468							    connector_object_id,
2469							    &hpd);
2470				break;
2471			case CONNECTOR_CTV_LEGACY:
2472			case CONNECTOR_STV_LEGACY:
2473				radeon_add_legacy_encoder(dev,
2474							  radeon_get_encoder_enum
2475							  (dev,
2476							   ATOM_DEVICE_TV1_SUPPORT,
2477							   2),
2478							  ATOM_DEVICE_TV1_SUPPORT);
2479				radeon_add_legacy_connector(dev, i,
2480							    ATOM_DEVICE_TV1_SUPPORT,
2481							    legacy_connector_convert
2482							    [connector],
2483							    &ddc_i2c,
2484							    CONNECTOR_OBJECT_ID_SVIDEO,
2485							    &hpd);
2486				break;
2487			default:
2488				DRM_ERROR("Unknown connector type: %d\n",
2489					  connector);
2490				continue;
2491			}
2492
2493		}
2494	} else {
2495		uint16_t tmds_info =
2496		    combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
2497		if (tmds_info) {
2498			DRM_DEBUG_KMS("Found DFP table, assuming DVI connector\n");
2499
2500			radeon_add_legacy_encoder(dev,
2501						  radeon_get_encoder_enum(dev,
2502									ATOM_DEVICE_CRT1_SUPPORT,
2503									1),
2504						  ATOM_DEVICE_CRT1_SUPPORT);
2505			radeon_add_legacy_encoder(dev,
2506						  radeon_get_encoder_enum(dev,
2507									ATOM_DEVICE_DFP1_SUPPORT,
2508									0),
2509						  ATOM_DEVICE_DFP1_SUPPORT);
2510
2511			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2512			hpd.hpd = RADEON_HPD_1;
2513			radeon_add_legacy_connector(dev,
2514						    0,
2515						    ATOM_DEVICE_CRT1_SUPPORT |
2516						    ATOM_DEVICE_DFP1_SUPPORT,
2517						    DRM_MODE_CONNECTOR_DVII,
2518						    &ddc_i2c,
2519						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2520						    &hpd);
2521		} else {
2522			uint16_t crt_info =
2523				combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
2524			DRM_DEBUG_KMS("Found CRT table, assuming VGA connector\n");
2525			if (crt_info) {
2526				radeon_add_legacy_encoder(dev,
2527							  radeon_get_encoder_enum(dev,
2528										ATOM_DEVICE_CRT1_SUPPORT,
2529										1),
2530							  ATOM_DEVICE_CRT1_SUPPORT);
2531				ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2532				hpd.hpd = RADEON_HPD_NONE;
2533				radeon_add_legacy_connector(dev,
2534							    0,
2535							    ATOM_DEVICE_CRT1_SUPPORT,
2536							    DRM_MODE_CONNECTOR_VGA,
2537							    &ddc_i2c,
2538							    CONNECTOR_OBJECT_ID_VGA,
2539							    &hpd);
2540			} else {
2541				DRM_DEBUG_KMS("No connector info found\n");
2542				return false;
2543			}
2544		}
2545	}
2546
2547	if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
2548		uint16_t lcd_info =
2549		    combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
2550		if (lcd_info) {
2551			uint16_t lcd_ddc_info =
2552			    combios_get_table_offset(dev,
2553						     COMBIOS_LCD_DDC_INFO_TABLE);
2554
2555			radeon_add_legacy_encoder(dev,
2556						  radeon_get_encoder_enum(dev,
2557									ATOM_DEVICE_LCD1_SUPPORT,
2558									0),
2559						  ATOM_DEVICE_LCD1_SUPPORT);
2560
2561			if (lcd_ddc_info) {
2562				ddc_type = RBIOS8(lcd_ddc_info + 2);
2563				switch (ddc_type) {
2564				case DDC_LCD:
2565					ddc_i2c =
2566						combios_setup_i2c_bus(rdev,
2567								      DDC_LCD,
2568								      RBIOS32(lcd_ddc_info + 3),
2569								      RBIOS32(lcd_ddc_info + 7));
2570					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2571					break;
2572				case DDC_GPIO:
2573					ddc_i2c =
2574						combios_setup_i2c_bus(rdev,
2575								      DDC_GPIO,
2576								      RBIOS32(lcd_ddc_info + 3),
2577								      RBIOS32(lcd_ddc_info + 7));
2578					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2579					break;
2580				default:
2581					ddc_i2c =
2582						combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2583					break;
2584				}
2585				DRM_DEBUG_KMS("LCD DDC Info Table found!\n");
2586			} else
2587				ddc_i2c.valid = false;
2588
2589			hpd.hpd = RADEON_HPD_NONE;
2590			radeon_add_legacy_connector(dev,
2591						    5,
2592						    ATOM_DEVICE_LCD1_SUPPORT,
2593						    DRM_MODE_CONNECTOR_LVDS,
2594						    &ddc_i2c,
2595						    CONNECTOR_OBJECT_ID_LVDS,
2596						    &hpd);
2597		}
2598	}
2599
2600	/* check TV table */
2601	if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
2602		uint32_t tv_info =
2603		    combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
2604		if (tv_info) {
2605			if (RBIOS8(tv_info + 6) == 'T') {
2606				if (radeon_apply_legacy_tv_quirks(dev)) {
2607					hpd.hpd = RADEON_HPD_NONE;
2608					ddc_i2c.valid = false;
2609					radeon_add_legacy_encoder(dev,
2610								  radeon_get_encoder_enum
2611								  (dev,
2612								   ATOM_DEVICE_TV1_SUPPORT,
2613								   2),
2614								  ATOM_DEVICE_TV1_SUPPORT);
2615					radeon_add_legacy_connector(dev, 6,
2616								    ATOM_DEVICE_TV1_SUPPORT,
2617								    DRM_MODE_CONNECTOR_SVIDEO,
2618								    &ddc_i2c,
2619								    CONNECTOR_OBJECT_ID_SVIDEO,
2620								    &hpd);
2621				}
2622			}
2623		}
2624	}
2625
2626	radeon_link_encoder_connector(dev);
2627
2628	return true;
2629}
2630
2631static const char *thermal_controller_names[] = {
2632	"NONE",
2633	"lm63",
2634	"adm1032",
2635};
2636
2637void radeon_combios_get_power_modes(struct radeon_device *rdev)
2638{
2639	struct drm_device *dev = rdev->ddev;
2640	u16 offset, misc, misc2 = 0;
2641	u8 rev, tmp;
2642	int state_index = 0;
2643	struct radeon_i2c_bus_rec i2c_bus;
2644
2645	rdev->pm.default_power_state_index = -1;
2646
2647	/* allocate 2 power states */
2648	rdev->pm.power_state = kcalloc(2, sizeof(struct radeon_power_state),
2649				       GFP_KERNEL);
2650	if (rdev->pm.power_state) {
2651		/* allocate 1 clock mode per state */
2652		rdev->pm.power_state[0].clock_info =
2653			kcalloc(1, sizeof(struct radeon_pm_clock_info),
2654				GFP_KERNEL);
2655		rdev->pm.power_state[1].clock_info =
2656			kcalloc(1, sizeof(struct radeon_pm_clock_info),
2657				GFP_KERNEL);
2658		if (!rdev->pm.power_state[0].clock_info ||
2659		    !rdev->pm.power_state[1].clock_info)
2660			goto pm_failed;
2661	} else
2662		goto pm_failed;
2663
2664	/* check for a thermal chip */
2665	offset = combios_get_table_offset(dev, COMBIOS_OVERDRIVE_INFO_TABLE);
2666	if (offset) {
2667		u8 thermal_controller = 0, gpio = 0, i2c_addr = 0, clk_bit = 0, data_bit = 0;
2668
2669		rev = RBIOS8(offset);
2670
2671		if (rev == 0) {
2672			thermal_controller = RBIOS8(offset + 3);
2673			gpio = RBIOS8(offset + 4) & 0x3f;
2674			i2c_addr = RBIOS8(offset + 5);
2675		} else if (rev == 1) {
2676			thermal_controller = RBIOS8(offset + 4);
2677			gpio = RBIOS8(offset + 5) & 0x3f;
2678			i2c_addr = RBIOS8(offset + 6);
2679		} else if (rev == 2) {
2680			thermal_controller = RBIOS8(offset + 4);
2681			gpio = RBIOS8(offset + 5) & 0x3f;
2682			i2c_addr = RBIOS8(offset + 6);
2683			clk_bit = RBIOS8(offset + 0xa);
2684			data_bit = RBIOS8(offset + 0xb);
2685		}
2686		if ((thermal_controller > 0) && (thermal_controller < 3)) {
2687			DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2688				 thermal_controller_names[thermal_controller],
2689				 i2c_addr >> 1);
2690			if (gpio == DDC_LCD) {
2691				/* MM i2c */
2692				i2c_bus.valid = true;
2693				i2c_bus.hw_capable = true;
2694				i2c_bus.mm_i2c = true;
2695				i2c_bus.i2c_id = 0xa0;
2696			} else if (gpio == DDC_GPIO)
2697				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 1 << clk_bit, 1 << data_bit);
2698			else
2699				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
2700			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2701			if (rdev->pm.i2c_bus) {
2702				struct i2c_board_info info = { };
2703				const char *name = thermal_controller_names[thermal_controller];
2704				info.addr = i2c_addr >> 1;
2705				strscpy(info.type, name, sizeof(info.type));
2706				i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info);
2707			}
2708		}
2709	} else {
2710		/* boards with a thermal chip, but no overdrive table */
2711
2712		/* Asus 9600xt has an f75375 on the monid bus */
2713		if ((rdev->pdev->device == 0x4152) &&
2714		    (rdev->pdev->subsystem_vendor == 0x1043) &&
2715		    (rdev->pdev->subsystem_device == 0xc002)) {
2716			i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2717			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2718			if (rdev->pm.i2c_bus) {
2719				struct i2c_board_info info = { };
2720				const char *name = "f75375";
2721				info.addr = 0x28;
2722				strscpy(info.type, name, sizeof(info.type));
2723				i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info);
2724				DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2725					 name, info.addr);
2726			}
2727		}
2728	}
2729
2730	if (rdev->flags & RADEON_IS_MOBILITY) {
2731		offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
2732		if (offset) {
2733			rev = RBIOS8(offset);
2734			/* power mode 0 tends to be the only valid one */
2735			rdev->pm.power_state[state_index].num_clock_modes = 1;
2736			rdev->pm.power_state[state_index].clock_info[0].mclk = RBIOS32(offset + 0x5 + 0x2);
2737			rdev->pm.power_state[state_index].clock_info[0].sclk = RBIOS32(offset + 0x5 + 0x6);
2738			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2739			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2740				goto default_mode;
2741			rdev->pm.power_state[state_index].type =
2742				POWER_STATE_TYPE_BATTERY;
2743			misc = RBIOS16(offset + 0x5 + 0x0);
2744			if (rev > 4)
2745				misc2 = RBIOS16(offset + 0x5 + 0xe);
2746			rdev->pm.power_state[state_index].misc = misc;
2747			rdev->pm.power_state[state_index].misc2 = misc2;
2748			if (misc & 0x4) {
2749				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
2750				if (misc & 0x8)
2751					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2752						true;
2753				else
2754					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2755						false;
2756				rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = true;
2757				if (rev < 6) {
2758					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2759						RBIOS16(offset + 0x5 + 0xb) * 4;
2760					tmp = RBIOS8(offset + 0x5 + 0xd);
2761					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2762				} else {
2763					u8 entries = RBIOS8(offset + 0x5 + 0xb);
2764					u16 voltage_table_offset = RBIOS16(offset + 0x5 + 0xc);
2765					if (entries && voltage_table_offset) {
2766						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2767							RBIOS16(voltage_table_offset) * 4;
2768						tmp = RBIOS8(voltage_table_offset + 0x2);
2769						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2770					} else
2771						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = false;
2772				}
2773				switch ((misc2 & 0x700) >> 8) {
2774				case 0:
2775				default:
2776					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 0;
2777					break;
2778				case 1:
2779					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 33;
2780					break;
2781				case 2:
2782					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 66;
2783					break;
2784				case 3:
2785					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 99;
2786					break;
2787				case 4:
2788					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 132;
2789					break;
2790				}
2791			} else
2792				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2793			if (rev > 6)
2794				rdev->pm.power_state[state_index].pcie_lanes =
2795					RBIOS8(offset + 0x5 + 0x10);
2796			rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2797			state_index++;
2798		} else {
2799			/* XXX figure out some good default low power mode for mobility cards w/out power tables */
2800		}
2801	} else {
2802		/* XXX figure out some good default low power mode for desktop cards */
2803	}
2804
2805default_mode:
2806	/* add the default mode */
2807	rdev->pm.power_state[state_index].type =
2808		POWER_STATE_TYPE_DEFAULT;
2809	rdev->pm.power_state[state_index].num_clock_modes = 1;
2810	rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
2811	rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
2812	rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
2813	if ((state_index > 0) &&
2814	    (rdev->pm.power_state[0].clock_info[0].voltage.type == VOLTAGE_GPIO))
2815		rdev->pm.power_state[state_index].clock_info[0].voltage =
2816			rdev->pm.power_state[0].clock_info[0].voltage;
2817	else
2818		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2819	rdev->pm.power_state[state_index].pcie_lanes = 16;
2820	rdev->pm.power_state[state_index].flags = 0;
2821	rdev->pm.default_power_state_index = state_index;
2822	rdev->pm.num_power_states = state_index + 1;
2823
2824	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2825	rdev->pm.current_clock_mode_index = 0;
2826	return;
2827
2828pm_failed:
2829	rdev->pm.default_power_state_index = state_index;
2830	rdev->pm.num_power_states = 0;
2831
2832	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2833	rdev->pm.current_clock_mode_index = 0;
2834}
2835
2836void radeon_external_tmds_setup(struct drm_encoder *encoder)
2837{
2838	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2839	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2840
2841	if (!tmds)
2842		return;
2843
2844	switch (tmds->dvo_chip) {
2845	case DVO_SIL164:
2846		/* sil 164 */
2847		radeon_i2c_put_byte(tmds->i2c_bus,
2848				    tmds->slave_addr,
2849				    0x08, 0x30);
2850		radeon_i2c_put_byte(tmds->i2c_bus,
2851				       tmds->slave_addr,
2852				       0x09, 0x00);
2853		radeon_i2c_put_byte(tmds->i2c_bus,
2854				    tmds->slave_addr,
2855				    0x0a, 0x90);
2856		radeon_i2c_put_byte(tmds->i2c_bus,
2857				    tmds->slave_addr,
2858				    0x0c, 0x89);
2859		radeon_i2c_put_byte(tmds->i2c_bus,
2860				       tmds->slave_addr,
2861				       0x08, 0x3b);
2862		break;
2863	case DVO_SIL1178:
2864		/* sil 1178 - untested */
2865		/*
2866		 * 0x0f, 0x44
2867		 * 0x0f, 0x4c
2868		 * 0x0e, 0x01
2869		 * 0x0a, 0x80
2870		 * 0x09, 0x30
2871		 * 0x0c, 0xc9
2872		 * 0x0d, 0x70
2873		 * 0x08, 0x32
2874		 * 0x08, 0x33
2875		 */
2876		break;
2877	default:
2878		break;
2879	}
2880
2881}
2882
2883bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
2884{
2885	struct drm_device *dev = encoder->dev;
2886	struct radeon_device *rdev = dev->dev_private;
2887	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2888	uint16_t offset;
2889	uint8_t blocks, slave_addr, rev;
2890	uint32_t index, id;
2891	uint32_t reg, val, and_mask, or_mask;
2892	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2893
2894	if (!tmds)
2895		return false;
2896
2897	if (rdev->flags & RADEON_IS_IGP) {
2898		offset = combios_get_table_offset(dev, COMBIOS_TMDS_POWER_ON_TABLE);
2899		rev = RBIOS8(offset);
2900		if (offset) {
2901			rev = RBIOS8(offset);
2902			if (rev > 1) {
2903				blocks = RBIOS8(offset + 3);
2904				index = offset + 4;
2905				while (blocks > 0) {
2906					id = RBIOS16(index);
2907					index += 2;
2908					switch (id >> 13) {
2909					case 0:
2910						reg = (id & 0x1fff) * 4;
2911						val = RBIOS32(index);
2912						index += 4;
2913						WREG32(reg, val);
2914						break;
2915					case 2:
2916						reg = (id & 0x1fff) * 4;
2917						and_mask = RBIOS32(index);
2918						index += 4;
2919						or_mask = RBIOS32(index);
2920						index += 4;
2921						val = RREG32(reg);
2922						val = (val & and_mask) | or_mask;
2923						WREG32(reg, val);
2924						break;
2925					case 3:
2926						val = RBIOS16(index);
2927						index += 2;
2928						udelay(val);
2929						break;
2930					case 4:
2931						val = RBIOS16(index);
2932						index += 2;
2933						mdelay(val);
2934						break;
2935					case 6:
2936						slave_addr = id & 0xff;
2937						slave_addr >>= 1; /* 7 bit addressing */
2938						index++;
2939						reg = RBIOS8(index);
2940						index++;
2941						val = RBIOS8(index);
2942						index++;
2943						radeon_i2c_put_byte(tmds->i2c_bus,
2944								    slave_addr,
2945								    reg, val);
2946						break;
2947					default:
2948						DRM_ERROR("Unknown id %d\n", id >> 13);
2949						break;
2950					}
2951					blocks--;
2952				}
2953				return true;
2954			}
2955		}
2956	} else {
2957		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2958		if (offset) {
2959			index = offset + 10;
2960			id = RBIOS16(index);
2961			while (id != 0xffff) {
2962				index += 2;
2963				switch (id >> 13) {
2964				case 0:
2965					reg = (id & 0x1fff) * 4;
2966					val = RBIOS32(index);
2967					WREG32(reg, val);
2968					break;
2969				case 2:
2970					reg = (id & 0x1fff) * 4;
2971					and_mask = RBIOS32(index);
2972					index += 4;
2973					or_mask = RBIOS32(index);
2974					index += 4;
2975					val = RREG32(reg);
2976					val = (val & and_mask) | or_mask;
2977					WREG32(reg, val);
2978					break;
2979				case 4:
2980					val = RBIOS16(index);
2981					index += 2;
2982					udelay(val);
2983					break;
2984				case 5:
2985					reg = id & 0x1fff;
2986					and_mask = RBIOS32(index);
2987					index += 4;
2988					or_mask = RBIOS32(index);
2989					index += 4;
2990					val = RREG32_PLL(reg);
2991					val = (val & and_mask) | or_mask;
2992					WREG32_PLL(reg, val);
2993					break;
2994				case 6:
2995					reg = id & 0x1fff;
2996					val = RBIOS8(index);
2997					index += 1;
2998					radeon_i2c_put_byte(tmds->i2c_bus,
2999							    tmds->slave_addr,
3000							    reg, val);
3001					break;
3002				default:
3003					DRM_ERROR("Unknown id %d\n", id >> 13);
3004					break;
3005				}
3006				id = RBIOS16(index);
3007			}
3008			return true;
3009		}
3010	}
3011	return false;
3012}
3013
3014static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
3015{
3016	struct radeon_device *rdev = dev->dev_private;
3017
3018	if (offset) {
3019		while (RBIOS16(offset)) {
3020			uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
3021			uint32_t addr = (RBIOS16(offset) & 0x1fff);
3022			uint32_t val, and_mask, or_mask;
3023			uint32_t tmp;
3024
3025			offset += 2;
3026			switch (cmd) {
3027			case 0:
3028				val = RBIOS32(offset);
3029				offset += 4;
3030				WREG32(addr, val);
3031				break;
3032			case 1:
3033				val = RBIOS32(offset);
3034				offset += 4;
3035				WREG32(addr, val);
3036				break;
3037			case 2:
3038				and_mask = RBIOS32(offset);
3039				offset += 4;
3040				or_mask = RBIOS32(offset);
3041				offset += 4;
3042				tmp = RREG32(addr);
3043				tmp &= and_mask;
3044				tmp |= or_mask;
3045				WREG32(addr, tmp);
3046				break;
3047			case 3:
3048				and_mask = RBIOS32(offset);
3049				offset += 4;
3050				or_mask = RBIOS32(offset);
3051				offset += 4;
3052				tmp = RREG32(addr);
3053				tmp &= and_mask;
3054				tmp |= or_mask;
3055				WREG32(addr, tmp);
3056				break;
3057			case 4:
3058				val = RBIOS16(offset);
3059				offset += 2;
3060				udelay(val);
3061				break;
3062			case 5:
3063				val = RBIOS16(offset);
3064				offset += 2;
3065				switch (addr) {
3066				case 8:
3067					while (val--) {
3068						if (!
3069						    (RREG32_PLL
3070						     (RADEON_CLK_PWRMGT_CNTL) &
3071						     RADEON_MC_BUSY))
3072							break;
3073					}
3074					break;
3075				case 9:
3076					while (val--) {
3077						if ((RREG32(RADEON_MC_STATUS) &
3078						     RADEON_MC_IDLE))
3079							break;
3080					}
3081					break;
3082				default:
3083					break;
3084				}
3085				break;
3086			default:
3087				break;
3088			}
3089		}
3090	}
3091}
3092
3093static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
3094{
3095	struct radeon_device *rdev = dev->dev_private;
3096
3097	if (offset) {
3098		while (RBIOS8(offset)) {
3099			uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
3100			uint8_t addr = (RBIOS8(offset) & 0x3f);
3101			uint32_t val, shift, tmp;
3102			uint32_t and_mask, or_mask;
3103
3104			offset++;
3105			switch (cmd) {
3106			case 0:
3107				val = RBIOS32(offset);
3108				offset += 4;
3109				WREG32_PLL(addr, val);
3110				break;
3111			case 1:
3112				shift = RBIOS8(offset) * 8;
3113				offset++;
3114				and_mask = RBIOS8(offset) << shift;
3115				and_mask |= ~(0xff << shift);
3116				offset++;
3117				or_mask = RBIOS8(offset) << shift;
3118				offset++;
3119				tmp = RREG32_PLL(addr);
3120				tmp &= and_mask;
3121				tmp |= or_mask;
3122				WREG32_PLL(addr, tmp);
3123				break;
3124			case 2:
3125			case 3:
3126				tmp = 1000;
3127				switch (addr) {
3128				case 1:
3129					udelay(150);
3130					break;
3131				case 2:
3132					mdelay(1);
3133					break;
3134				case 3:
3135					while (tmp--) {
3136						if (!
3137						    (RREG32_PLL
3138						     (RADEON_CLK_PWRMGT_CNTL) &
3139						     RADEON_MC_BUSY))
3140							break;
3141					}
3142					break;
3143				case 4:
3144					while (tmp--) {
3145						if (RREG32_PLL
3146						    (RADEON_CLK_PWRMGT_CNTL) &
3147						    RADEON_DLL_READY)
3148							break;
3149					}
3150					break;
3151				case 5:
3152					tmp =
3153					    RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
3154					if (tmp & RADEON_CG_NO1_DEBUG_0) {
3155#if 0
3156						uint32_t mclk_cntl =
3157						    RREG32_PLL
3158						    (RADEON_MCLK_CNTL);
3159						mclk_cntl &= 0xffff0000;
3160						/*mclk_cntl |= 0x00001111;*//* ??? */
3161						WREG32_PLL(RADEON_MCLK_CNTL,
3162							   mclk_cntl);
3163						mdelay(10);
3164#endif
3165						WREG32_PLL
3166						    (RADEON_CLK_PWRMGT_CNTL,
3167						     tmp &
3168						     ~RADEON_CG_NO1_DEBUG_0);
3169						mdelay(10);
3170					}
3171					break;
3172				default:
3173					break;
3174				}
3175				break;
3176			default:
3177				break;
3178			}
3179		}
3180	}
3181}
3182
3183static void combios_parse_ram_reset_table(struct drm_device *dev,
3184					  uint16_t offset)
3185{
3186	struct radeon_device *rdev = dev->dev_private;
3187	uint32_t tmp;
3188
3189	if (offset) {
3190		uint8_t val = RBIOS8(offset);
3191		while (val != 0xff) {
3192			offset++;
3193
3194			if (val == 0x0f) {
3195				uint32_t channel_complete_mask;
3196
3197				if (ASIC_IS_R300(rdev))
3198					channel_complete_mask =
3199					    R300_MEM_PWRUP_COMPLETE;
3200				else
3201					channel_complete_mask =
3202					    RADEON_MEM_PWRUP_COMPLETE;
3203				tmp = 20000;
3204				while (tmp--) {
3205					if ((RREG32(RADEON_MEM_STR_CNTL) &
3206					     channel_complete_mask) ==
3207					    channel_complete_mask)
3208						break;
3209				}
3210			} else {
3211				uint32_t or_mask = RBIOS16(offset);
3212				offset += 2;
3213
3214				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3215				tmp &= RADEON_SDRAM_MODE_MASK;
3216				tmp |= or_mask;
3217				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3218
3219				or_mask = val << 24;
3220				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3221				tmp &= RADEON_B3MEM_RESET_MASK;
3222				tmp |= or_mask;
3223				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3224			}
3225			val = RBIOS8(offset);
3226		}
3227	}
3228}
3229
3230static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
3231				   int mem_addr_mapping)
3232{
3233	struct radeon_device *rdev = dev->dev_private;
3234	uint32_t mem_cntl;
3235	uint32_t mem_size;
3236	uint32_t addr = 0;
3237
3238	mem_cntl = RREG32(RADEON_MEM_CNTL);
3239	if (mem_cntl & RV100_HALF_MODE)
3240		ram /= 2;
3241	mem_size = ram;
3242	mem_cntl &= ~(0xff << 8);
3243	mem_cntl |= (mem_addr_mapping & 0xff) << 8;
3244	WREG32(RADEON_MEM_CNTL, mem_cntl);
3245	RREG32(RADEON_MEM_CNTL);
3246
3247	/* sdram reset ? */
3248
3249	/* something like this????  */
3250	while (ram--) {
3251		addr = ram * 1024 * 1024;
3252		/* write to each page */
3253		WREG32_IDX((addr) | RADEON_MM_APER, 0xdeadbeef);
3254		/* read back and verify */
3255		if (RREG32_IDX((addr) | RADEON_MM_APER) != 0xdeadbeef)
3256			return 0;
3257	}
3258
3259	return mem_size;
3260}
3261
3262static void combios_write_ram_size(struct drm_device *dev)
3263{
3264	struct radeon_device *rdev = dev->dev_private;
3265	uint8_t rev;
3266	uint16_t offset;
3267	uint32_t mem_size = 0;
3268	uint32_t mem_cntl = 0;
3269
3270	/* should do something smarter here I guess... */
3271	if (rdev->flags & RADEON_IS_IGP)
3272		return;
3273
3274	/* first check detected mem table */
3275	offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
3276	if (offset) {
3277		rev = RBIOS8(offset);
3278		if (rev < 3) {
3279			mem_cntl = RBIOS32(offset + 1);
3280			mem_size = RBIOS16(offset + 5);
3281			if ((rdev->family < CHIP_R200) &&
3282			    !ASIC_IS_RN50(rdev))
3283				WREG32(RADEON_MEM_CNTL, mem_cntl);
3284		}
3285	}
3286
3287	if (!mem_size) {
3288		offset =
3289		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
3290		if (offset) {
3291			rev = RBIOS8(offset - 1);
3292			if (rev < 1) {
3293				if ((rdev->family < CHIP_R200)
3294				    && !ASIC_IS_RN50(rdev)) {
3295					int ram = 0;
3296					int mem_addr_mapping = 0;
3297
3298					while (RBIOS8(offset)) {
3299						ram = RBIOS8(offset);
3300						mem_addr_mapping =
3301						    RBIOS8(offset + 1);
3302						if (mem_addr_mapping != 0x25)
3303							ram *= 2;
3304						mem_size =
3305						    combios_detect_ram(dev, ram,
3306								       mem_addr_mapping);
3307						if (mem_size)
3308							break;
3309						offset += 2;
3310					}
3311				} else
3312					mem_size = RBIOS8(offset);
3313			} else {
3314				mem_size = RBIOS8(offset);
3315				mem_size *= 2;	/* convert to MB */
3316			}
3317		}
3318	}
3319
3320	mem_size *= (1024 * 1024);	/* convert to bytes */
3321	WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
3322}
3323
3324void radeon_combios_asic_init(struct drm_device *dev)
3325{
3326	struct radeon_device *rdev = dev->dev_private;
3327	uint16_t table;
3328
3329	/* port hardcoded mac stuff from radeonfb */
3330	if (rdev->bios == NULL)
3331		return;
3332
3333	/* ASIC INIT 1 */
3334	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE);
3335	if (table)
3336		combios_parse_mmio_table(dev, table);
3337
3338	/* PLL INIT */
3339	table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE);
3340	if (table)
3341		combios_parse_pll_table(dev, table);
3342
3343	/* ASIC INIT 2 */
3344	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE);
3345	if (table)
3346		combios_parse_mmio_table(dev, table);
3347
3348	if (!(rdev->flags & RADEON_IS_IGP)) {
3349		/* ASIC INIT 4 */
3350		table =
3351		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE);
3352		if (table)
3353			combios_parse_mmio_table(dev, table);
3354
3355		/* RAM RESET */
3356		table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE);
3357		if (table)
3358			combios_parse_ram_reset_table(dev, table);
3359
3360		/* ASIC INIT 3 */
3361		table =
3362		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE);
3363		if (table)
3364			combios_parse_mmio_table(dev, table);
3365
3366		/* write CONFIG_MEMSIZE */
3367		combios_write_ram_size(dev);
3368	}
3369
3370	/* quirk for rs4xx HP nx6125 laptop to make it resume
3371	 * - it hangs on resume inside the dynclk 1 table.
3372	 */
3373	if (rdev->family == CHIP_RS480 &&
3374	    rdev->pdev->subsystem_vendor == 0x103c &&
3375	    rdev->pdev->subsystem_device == 0x308b)
3376		return;
3377
3378	/* quirk for rs4xx HP dv5000 laptop to make it resume
3379	 * - it hangs on resume inside the dynclk 1 table.
3380	 */
3381	if (rdev->family == CHIP_RS480 &&
3382	    rdev->pdev->subsystem_vendor == 0x103c &&
3383	    rdev->pdev->subsystem_device == 0x30a4)
3384		return;
3385
3386	/* quirk for rs4xx Compaq Presario V5245EU laptop to make it resume
3387	 * - it hangs on resume inside the dynclk 1 table.
3388	 */
3389	if (rdev->family == CHIP_RS480 &&
3390	    rdev->pdev->subsystem_vendor == 0x103c &&
3391	    rdev->pdev->subsystem_device == 0x30ae)
3392		return;
3393
3394	/* quirk for rs4xx HP Compaq dc5750 Small Form Factor to make it resume
3395	 * - it hangs on resume inside the dynclk 1 table.
3396	 */
3397	if (rdev->family == CHIP_RS480 &&
3398	    rdev->pdev->subsystem_vendor == 0x103c &&
3399	    rdev->pdev->subsystem_device == 0x280a)
3400		return;
3401	/* quirk for rs4xx Toshiba Sattellite L20-183 latop to make it resume
3402	 * - it hangs on resume inside the dynclk 1 table.
3403	 */
3404	if (rdev->family == CHIP_RS400 &&
3405	    rdev->pdev->subsystem_vendor == 0x1179 &&
3406	    rdev->pdev->subsystem_device == 0xff31)
3407	        return;
3408
3409	/* DYN CLK 1 */
3410	table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3411	if (table)
3412		combios_parse_pll_table(dev, table);
3413
3414}
3415
3416void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
3417{
3418	struct radeon_device *rdev = dev->dev_private;
3419	uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
3420
3421	bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
3422	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3423	bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
3424
3425	/* let the bios control the backlight */
3426	bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
3427
3428	/* tell the bios not to handle mode switching */
3429	bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
3430			   RADEON_ACC_MODE_CHANGE);
3431
3432	/* tell the bios a driver is loaded */
3433	bios_7_scratch |= RADEON_DRV_LOADED;
3434
3435	WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
3436	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3437	WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
3438}
3439
3440void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
3441{
3442	struct drm_device *dev = encoder->dev;
3443	struct radeon_device *rdev = dev->dev_private;
3444	uint32_t bios_6_scratch;
3445
3446	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3447
3448	if (lock)
3449		bios_6_scratch |= RADEON_DRIVER_CRITICAL;
3450	else
3451		bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
3452
3453	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3454}
3455
3456void
3457radeon_combios_connected_scratch_regs(struct drm_connector *connector,
3458				      struct drm_encoder *encoder,
3459				      bool connected)
3460{
3461	struct drm_device *dev = connector->dev;
3462	struct radeon_device *rdev = dev->dev_private;
3463	struct radeon_connector *radeon_connector =
3464	    to_radeon_connector(connector);
3465	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3466	uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
3467	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3468
3469	if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
3470	    (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
3471		if (connected) {
3472			DRM_DEBUG_KMS("TV1 connected\n");
3473			/* fix me */
3474			bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
3475			/*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
3476			bios_5_scratch |= RADEON_TV1_ON;
3477			bios_5_scratch |= RADEON_ACC_REQ_TV1;
3478		} else {
3479			DRM_DEBUG_KMS("TV1 disconnected\n");
3480			bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
3481			bios_5_scratch &= ~RADEON_TV1_ON;
3482			bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
3483		}
3484	}
3485	if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
3486	    (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
3487		if (connected) {
3488			DRM_DEBUG_KMS("LCD1 connected\n");
3489			bios_4_scratch |= RADEON_LCD1_ATTACHED;
3490			bios_5_scratch |= RADEON_LCD1_ON;
3491			bios_5_scratch |= RADEON_ACC_REQ_LCD1;
3492		} else {
3493			DRM_DEBUG_KMS("LCD1 disconnected\n");
3494			bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
3495			bios_5_scratch &= ~RADEON_LCD1_ON;
3496			bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
3497		}
3498	}
3499	if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
3500	    (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
3501		if (connected) {
3502			DRM_DEBUG_KMS("CRT1 connected\n");
3503			bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
3504			bios_5_scratch |= RADEON_CRT1_ON;
3505			bios_5_scratch |= RADEON_ACC_REQ_CRT1;
3506		} else {
3507			DRM_DEBUG_KMS("CRT1 disconnected\n");
3508			bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
3509			bios_5_scratch &= ~RADEON_CRT1_ON;
3510			bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
3511		}
3512	}
3513	if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
3514	    (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
3515		if (connected) {
3516			DRM_DEBUG_KMS("CRT2 connected\n");
3517			bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
3518			bios_5_scratch |= RADEON_CRT2_ON;
3519			bios_5_scratch |= RADEON_ACC_REQ_CRT2;
3520		} else {
3521			DRM_DEBUG_KMS("CRT2 disconnected\n");
3522			bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
3523			bios_5_scratch &= ~RADEON_CRT2_ON;
3524			bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
3525		}
3526	}
3527	if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
3528	    (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
3529		if (connected) {
3530			DRM_DEBUG_KMS("DFP1 connected\n");
3531			bios_4_scratch |= RADEON_DFP1_ATTACHED;
3532			bios_5_scratch |= RADEON_DFP1_ON;
3533			bios_5_scratch |= RADEON_ACC_REQ_DFP1;
3534		} else {
3535			DRM_DEBUG_KMS("DFP1 disconnected\n");
3536			bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
3537			bios_5_scratch &= ~RADEON_DFP1_ON;
3538			bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
3539		}
3540	}
3541	if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
3542	    (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
3543		if (connected) {
3544			DRM_DEBUG_KMS("DFP2 connected\n");
3545			bios_4_scratch |= RADEON_DFP2_ATTACHED;
3546			bios_5_scratch |= RADEON_DFP2_ON;
3547			bios_5_scratch |= RADEON_ACC_REQ_DFP2;
3548		} else {
3549			DRM_DEBUG_KMS("DFP2 disconnected\n");
3550			bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
3551			bios_5_scratch &= ~RADEON_DFP2_ON;
3552			bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
3553		}
3554	}
3555	WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
3556	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3557}
3558
3559void
3560radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
3561{
3562	struct drm_device *dev = encoder->dev;
3563	struct radeon_device *rdev = dev->dev_private;
3564	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3565	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3566
3567	if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
3568		bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
3569		bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
3570	}
3571	if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
3572		bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
3573		bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
3574	}
3575	if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
3576		bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
3577		bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
3578	}
3579	if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
3580		bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
3581		bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
3582	}
3583	if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
3584		bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
3585		bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
3586	}
3587	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
3588		bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
3589		bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
3590	}
3591	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3592}
3593
3594void
3595radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
3596{
3597	struct drm_device *dev = encoder->dev;
3598	struct radeon_device *rdev = dev->dev_private;
3599	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3600	uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3601
3602	if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
3603		if (on)
3604			bios_6_scratch |= RADEON_TV_DPMS_ON;
3605		else
3606			bios_6_scratch &= ~RADEON_TV_DPMS_ON;
3607	}
3608	if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3609		if (on)
3610			bios_6_scratch |= RADEON_CRT_DPMS_ON;
3611		else
3612			bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
3613	}
3614	if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3615		if (on)
3616			bios_6_scratch |= RADEON_LCD_DPMS_ON;
3617		else
3618			bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
3619	}
3620	if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
3621		if (on)
3622			bios_6_scratch |= RADEON_DFP_DPMS_ON;
3623		else
3624			bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
3625	}
3626	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3627}
3628