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1 /*
2  * Copyright 2004 ATI Technologies Inc., Markham, Ontario
3  * Copyright 2007-8 Advanced Micro Devices, Inc.
4  * Copyright 2008 Red Hat Inc.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  */
27 #include <drm/drmP.h>
28 #include <drm/radeon_drm.h>
29 #include "radeon.h"
30 #include "atom.h"
31 
32 #ifdef CONFIG_PPC_PMAC
33 /* not sure which of these are needed */
34 #include <asm/machdep.h>
35 #include <asm/pmac_feature.h>
36 #include <asm/prom.h>
37 #include <asm/pci-bridge.h>
38 #endif /* CONFIG_PPC_PMAC */
39 
40 /* from radeon_encoder.c */
41 extern uint32_t
42 radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device,
43 			uint8_t dac);
44 extern void radeon_link_encoder_connector(struct drm_device *dev);
45 
46 /* from radeon_connector.c */
47 extern void
48 radeon_add_legacy_connector(struct drm_device *dev,
49 			    uint32_t connector_id,
50 			    uint32_t supported_device,
51 			    int connector_type,
52 			    struct radeon_i2c_bus_rec *i2c_bus,
53 			    uint16_t connector_object_id,
54 			    struct radeon_hpd *hpd);
55 
56 /* from radeon_legacy_encoder.c */
57 extern void
58 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum,
59 			  uint32_t supported_device);
60 
61 /* old legacy ATI BIOS routines */
62 
63 /* COMBIOS table offsets */
64 enum radeon_combios_table_offset {
65 	/* absolute offset tables */
66 	COMBIOS_ASIC_INIT_1_TABLE,
67 	COMBIOS_BIOS_SUPPORT_TABLE,
68 	COMBIOS_DAC_PROGRAMMING_TABLE,
69 	COMBIOS_MAX_COLOR_DEPTH_TABLE,
70 	COMBIOS_CRTC_INFO_TABLE,
71 	COMBIOS_PLL_INFO_TABLE,
72 	COMBIOS_TV_INFO_TABLE,
73 	COMBIOS_DFP_INFO_TABLE,
74 	COMBIOS_HW_CONFIG_INFO_TABLE,
75 	COMBIOS_MULTIMEDIA_INFO_TABLE,
76 	COMBIOS_TV_STD_PATCH_TABLE,
77 	COMBIOS_LCD_INFO_TABLE,
78 	COMBIOS_MOBILE_INFO_TABLE,
79 	COMBIOS_PLL_INIT_TABLE,
80 	COMBIOS_MEM_CONFIG_TABLE,
81 	COMBIOS_SAVE_MASK_TABLE,
82 	COMBIOS_HARDCODED_EDID_TABLE,
83 	COMBIOS_ASIC_INIT_2_TABLE,
84 	COMBIOS_CONNECTOR_INFO_TABLE,
85 	COMBIOS_DYN_CLK_1_TABLE,
86 	COMBIOS_RESERVED_MEM_TABLE,
87 	COMBIOS_EXT_TMDS_INFO_TABLE,
88 	COMBIOS_MEM_CLK_INFO_TABLE,
89 	COMBIOS_EXT_DAC_INFO_TABLE,
90 	COMBIOS_MISC_INFO_TABLE,
91 	COMBIOS_CRT_INFO_TABLE,
92 	COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE,
93 	COMBIOS_COMPONENT_VIDEO_INFO_TABLE,
94 	COMBIOS_FAN_SPEED_INFO_TABLE,
95 	COMBIOS_OVERDRIVE_INFO_TABLE,
96 	COMBIOS_OEM_INFO_TABLE,
97 	COMBIOS_DYN_CLK_2_TABLE,
98 	COMBIOS_POWER_CONNECTOR_INFO_TABLE,
99 	COMBIOS_I2C_INFO_TABLE,
100 	/* relative offset tables */
101 	COMBIOS_ASIC_INIT_3_TABLE,	/* offset from misc info */
102 	COMBIOS_ASIC_INIT_4_TABLE,	/* offset from misc info */
103 	COMBIOS_DETECTED_MEM_TABLE,	/* offset from misc info */
104 	COMBIOS_ASIC_INIT_5_TABLE,	/* offset from misc info */
105 	COMBIOS_RAM_RESET_TABLE,	/* offset from mem config */
106 	COMBIOS_POWERPLAY_INFO_TABLE,	/* offset from mobile info */
107 	COMBIOS_GPIO_INFO_TABLE,	/* offset from mobile info */
108 	COMBIOS_LCD_DDC_INFO_TABLE,	/* offset from mobile info */
109 	COMBIOS_TMDS_POWER_TABLE,	/* offset from mobile info */
110 	COMBIOS_TMDS_POWER_ON_TABLE,	/* offset from tmds power */
111 	COMBIOS_TMDS_POWER_OFF_TABLE,	/* offset from tmds power */
112 };
113 
114 enum radeon_combios_ddc {
115 	DDC_NONE_DETECTED,
116 	DDC_MONID,
117 	DDC_DVI,
118 	DDC_VGA,
119 	DDC_CRT2,
120 	DDC_LCD,
121 	DDC_GPIO,
122 };
123 
124 enum radeon_combios_connector {
125 	CONNECTOR_NONE_LEGACY,
126 	CONNECTOR_PROPRIETARY_LEGACY,
127 	CONNECTOR_CRT_LEGACY,
128 	CONNECTOR_DVI_I_LEGACY,
129 	CONNECTOR_DVI_D_LEGACY,
130 	CONNECTOR_CTV_LEGACY,
131 	CONNECTOR_STV_LEGACY,
132 	CONNECTOR_UNSUPPORTED_LEGACY
133 };
134 
135 const int legacy_connector_convert[] = {
136 	DRM_MODE_CONNECTOR_Unknown,
137 	DRM_MODE_CONNECTOR_DVID,
138 	DRM_MODE_CONNECTOR_VGA,
139 	DRM_MODE_CONNECTOR_DVII,
140 	DRM_MODE_CONNECTOR_DVID,
141 	DRM_MODE_CONNECTOR_Composite,
142 	DRM_MODE_CONNECTOR_SVIDEO,
143 	DRM_MODE_CONNECTOR_Unknown,
144 };
145 
combios_get_table_offset(struct drm_device * dev,enum radeon_combios_table_offset table)146 static uint16_t combios_get_table_offset(struct drm_device *dev,
147 					 enum radeon_combios_table_offset table)
148 {
149 	struct radeon_device *rdev = dev->dev_private;
150 	int rev;
151 	uint16_t offset = 0, check_offset;
152 
153 	if (!rdev->bios)
154 		return 0;
155 
156 	switch (table) {
157 		/* absolute offset tables */
158 	case COMBIOS_ASIC_INIT_1_TABLE:
159 		check_offset = RBIOS16(rdev->bios_header_start + 0xc);
160 		if (check_offset)
161 			offset = check_offset;
162 		break;
163 	case COMBIOS_BIOS_SUPPORT_TABLE:
164 		check_offset = RBIOS16(rdev->bios_header_start + 0x14);
165 		if (check_offset)
166 			offset = check_offset;
167 		break;
168 	case COMBIOS_DAC_PROGRAMMING_TABLE:
169 		check_offset = RBIOS16(rdev->bios_header_start + 0x2a);
170 		if (check_offset)
171 			offset = check_offset;
172 		break;
173 	case COMBIOS_MAX_COLOR_DEPTH_TABLE:
174 		check_offset = RBIOS16(rdev->bios_header_start + 0x2c);
175 		if (check_offset)
176 			offset = check_offset;
177 		break;
178 	case COMBIOS_CRTC_INFO_TABLE:
179 		check_offset = RBIOS16(rdev->bios_header_start + 0x2e);
180 		if (check_offset)
181 			offset = check_offset;
182 		break;
183 	case COMBIOS_PLL_INFO_TABLE:
184 		check_offset = RBIOS16(rdev->bios_header_start + 0x30);
185 		if (check_offset)
186 			offset = check_offset;
187 		break;
188 	case COMBIOS_TV_INFO_TABLE:
189 		check_offset = RBIOS16(rdev->bios_header_start + 0x32);
190 		if (check_offset)
191 			offset = check_offset;
192 		break;
193 	case COMBIOS_DFP_INFO_TABLE:
194 		check_offset = RBIOS16(rdev->bios_header_start + 0x34);
195 		if (check_offset)
196 			offset = check_offset;
197 		break;
198 	case COMBIOS_HW_CONFIG_INFO_TABLE:
199 		check_offset = RBIOS16(rdev->bios_header_start + 0x36);
200 		if (check_offset)
201 			offset = check_offset;
202 		break;
203 	case COMBIOS_MULTIMEDIA_INFO_TABLE:
204 		check_offset = RBIOS16(rdev->bios_header_start + 0x38);
205 		if (check_offset)
206 			offset = check_offset;
207 		break;
208 	case COMBIOS_TV_STD_PATCH_TABLE:
209 		check_offset = RBIOS16(rdev->bios_header_start + 0x3e);
210 		if (check_offset)
211 			offset = check_offset;
212 		break;
213 	case COMBIOS_LCD_INFO_TABLE:
214 		check_offset = RBIOS16(rdev->bios_header_start + 0x40);
215 		if (check_offset)
216 			offset = check_offset;
217 		break;
218 	case COMBIOS_MOBILE_INFO_TABLE:
219 		check_offset = RBIOS16(rdev->bios_header_start + 0x42);
220 		if (check_offset)
221 			offset = check_offset;
222 		break;
223 	case COMBIOS_PLL_INIT_TABLE:
224 		check_offset = RBIOS16(rdev->bios_header_start + 0x46);
225 		if (check_offset)
226 			offset = check_offset;
227 		break;
228 	case COMBIOS_MEM_CONFIG_TABLE:
229 		check_offset = RBIOS16(rdev->bios_header_start + 0x48);
230 		if (check_offset)
231 			offset = check_offset;
232 		break;
233 	case COMBIOS_SAVE_MASK_TABLE:
234 		check_offset = RBIOS16(rdev->bios_header_start + 0x4a);
235 		if (check_offset)
236 			offset = check_offset;
237 		break;
238 	case COMBIOS_HARDCODED_EDID_TABLE:
239 		check_offset = RBIOS16(rdev->bios_header_start + 0x4c);
240 		if (check_offset)
241 			offset = check_offset;
242 		break;
243 	case COMBIOS_ASIC_INIT_2_TABLE:
244 		check_offset = RBIOS16(rdev->bios_header_start + 0x4e);
245 		if (check_offset)
246 			offset = check_offset;
247 		break;
248 	case COMBIOS_CONNECTOR_INFO_TABLE:
249 		check_offset = RBIOS16(rdev->bios_header_start + 0x50);
250 		if (check_offset)
251 			offset = check_offset;
252 		break;
253 	case COMBIOS_DYN_CLK_1_TABLE:
254 		check_offset = RBIOS16(rdev->bios_header_start + 0x52);
255 		if (check_offset)
256 			offset = check_offset;
257 		break;
258 	case COMBIOS_RESERVED_MEM_TABLE:
259 		check_offset = RBIOS16(rdev->bios_header_start + 0x54);
260 		if (check_offset)
261 			offset = check_offset;
262 		break;
263 	case COMBIOS_EXT_TMDS_INFO_TABLE:
264 		check_offset = RBIOS16(rdev->bios_header_start + 0x58);
265 		if (check_offset)
266 			offset = check_offset;
267 		break;
268 	case COMBIOS_MEM_CLK_INFO_TABLE:
269 		check_offset = RBIOS16(rdev->bios_header_start + 0x5a);
270 		if (check_offset)
271 			offset = check_offset;
272 		break;
273 	case COMBIOS_EXT_DAC_INFO_TABLE:
274 		check_offset = RBIOS16(rdev->bios_header_start + 0x5c);
275 		if (check_offset)
276 			offset = check_offset;
277 		break;
278 	case COMBIOS_MISC_INFO_TABLE:
279 		check_offset = RBIOS16(rdev->bios_header_start + 0x5e);
280 		if (check_offset)
281 			offset = check_offset;
282 		break;
283 	case COMBIOS_CRT_INFO_TABLE:
284 		check_offset = RBIOS16(rdev->bios_header_start + 0x60);
285 		if (check_offset)
286 			offset = check_offset;
287 		break;
288 	case COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE:
289 		check_offset = RBIOS16(rdev->bios_header_start + 0x62);
290 		if (check_offset)
291 			offset = check_offset;
292 		break;
293 	case COMBIOS_COMPONENT_VIDEO_INFO_TABLE:
294 		check_offset = RBIOS16(rdev->bios_header_start + 0x64);
295 		if (check_offset)
296 			offset = check_offset;
297 		break;
298 	case COMBIOS_FAN_SPEED_INFO_TABLE:
299 		check_offset = RBIOS16(rdev->bios_header_start + 0x66);
300 		if (check_offset)
301 			offset = check_offset;
302 		break;
303 	case COMBIOS_OVERDRIVE_INFO_TABLE:
304 		check_offset = RBIOS16(rdev->bios_header_start + 0x68);
305 		if (check_offset)
306 			offset = check_offset;
307 		break;
308 	case COMBIOS_OEM_INFO_TABLE:
309 		check_offset = RBIOS16(rdev->bios_header_start + 0x6a);
310 		if (check_offset)
311 			offset = check_offset;
312 		break;
313 	case COMBIOS_DYN_CLK_2_TABLE:
314 		check_offset = RBIOS16(rdev->bios_header_start + 0x6c);
315 		if (check_offset)
316 			offset = check_offset;
317 		break;
318 	case COMBIOS_POWER_CONNECTOR_INFO_TABLE:
319 		check_offset = RBIOS16(rdev->bios_header_start + 0x6e);
320 		if (check_offset)
321 			offset = check_offset;
322 		break;
323 	case COMBIOS_I2C_INFO_TABLE:
324 		check_offset = RBIOS16(rdev->bios_header_start + 0x70);
325 		if (check_offset)
326 			offset = check_offset;
327 		break;
328 		/* relative offset tables */
329 	case COMBIOS_ASIC_INIT_3_TABLE:	/* offset from misc info */
330 		check_offset =
331 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
332 		if (check_offset) {
333 			rev = RBIOS8(check_offset);
334 			if (rev > 0) {
335 				check_offset = RBIOS16(check_offset + 0x3);
336 				if (check_offset)
337 					offset = check_offset;
338 			}
339 		}
340 		break;
341 	case COMBIOS_ASIC_INIT_4_TABLE:	/* offset from misc info */
342 		check_offset =
343 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
344 		if (check_offset) {
345 			rev = RBIOS8(check_offset);
346 			if (rev > 0) {
347 				check_offset = RBIOS16(check_offset + 0x5);
348 				if (check_offset)
349 					offset = check_offset;
350 			}
351 		}
352 		break;
353 	case COMBIOS_DETECTED_MEM_TABLE:	/* offset from misc info */
354 		check_offset =
355 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
356 		if (check_offset) {
357 			rev = RBIOS8(check_offset);
358 			if (rev > 0) {
359 				check_offset = RBIOS16(check_offset + 0x7);
360 				if (check_offset)
361 					offset = check_offset;
362 			}
363 		}
364 		break;
365 	case COMBIOS_ASIC_INIT_5_TABLE:	/* offset from misc info */
366 		check_offset =
367 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
368 		if (check_offset) {
369 			rev = RBIOS8(check_offset);
370 			if (rev == 2) {
371 				check_offset = RBIOS16(check_offset + 0x9);
372 				if (check_offset)
373 					offset = check_offset;
374 			}
375 		}
376 		break;
377 	case COMBIOS_RAM_RESET_TABLE:	/* offset from mem config */
378 		check_offset =
379 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
380 		if (check_offset) {
381 			while (RBIOS8(check_offset++));
382 			check_offset += 2;
383 			if (check_offset)
384 				offset = check_offset;
385 		}
386 		break;
387 	case COMBIOS_POWERPLAY_INFO_TABLE:	/* offset from mobile info */
388 		check_offset =
389 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
390 		if (check_offset) {
391 			check_offset = RBIOS16(check_offset + 0x11);
392 			if (check_offset)
393 				offset = check_offset;
394 		}
395 		break;
396 	case COMBIOS_GPIO_INFO_TABLE:	/* offset from mobile info */
397 		check_offset =
398 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
399 		if (check_offset) {
400 			check_offset = RBIOS16(check_offset + 0x13);
401 			if (check_offset)
402 				offset = check_offset;
403 		}
404 		break;
405 	case COMBIOS_LCD_DDC_INFO_TABLE:	/* offset from mobile info */
406 		check_offset =
407 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
408 		if (check_offset) {
409 			check_offset = RBIOS16(check_offset + 0x15);
410 			if (check_offset)
411 				offset = check_offset;
412 		}
413 		break;
414 	case COMBIOS_TMDS_POWER_TABLE:	/* offset from mobile info */
415 		check_offset =
416 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
417 		if (check_offset) {
418 			check_offset = RBIOS16(check_offset + 0x17);
419 			if (check_offset)
420 				offset = check_offset;
421 		}
422 		break;
423 	case COMBIOS_TMDS_POWER_ON_TABLE:	/* offset from tmds power */
424 		check_offset =
425 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
426 		if (check_offset) {
427 			check_offset = RBIOS16(check_offset + 0x2);
428 			if (check_offset)
429 				offset = check_offset;
430 		}
431 		break;
432 	case COMBIOS_TMDS_POWER_OFF_TABLE:	/* offset from tmds power */
433 		check_offset =
434 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
435 		if (check_offset) {
436 			check_offset = RBIOS16(check_offset + 0x4);
437 			if (check_offset)
438 				offset = check_offset;
439 		}
440 		break;
441 	default:
442 		break;
443 	}
444 
445 	return offset;
446 
447 }
448 
radeon_combios_check_hardcoded_edid(struct radeon_device * rdev)449 bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev)
450 {
451 	int edid_info, size;
452 	struct edid *edid;
453 	unsigned char *raw;
454 	edid_info = combios_get_table_offset(rdev->ddev, COMBIOS_HARDCODED_EDID_TABLE);
455 	if (!edid_info)
456 		return false;
457 
458 	raw = rdev->bios + edid_info;
459 	size = EDID_LENGTH * (raw[0x7e] + 1);
460 	edid = kmalloc(size, GFP_KERNEL);
461 	if (edid == NULL)
462 		return false;
463 
464 	memcpy((unsigned char *)edid, raw, size);
465 
466 	if (!drm_edid_is_valid(edid)) {
467 		kfree(edid);
468 		return false;
469 	}
470 
471 	rdev->mode_info.bios_hardcoded_edid = edid;
472 	rdev->mode_info.bios_hardcoded_edid_size = size;
473 	return true;
474 }
475 
476 /* this is used for atom LCDs as well */
477 struct edid *
radeon_bios_get_hardcoded_edid(struct radeon_device * rdev)478 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev)
479 {
480 	struct edid *edid;
481 
482 	if (rdev->mode_info.bios_hardcoded_edid) {
483 		edid = kmalloc(rdev->mode_info.bios_hardcoded_edid_size, GFP_KERNEL);
484 		if (edid) {
485 			memcpy((unsigned char *)edid,
486 			       (unsigned char *)rdev->mode_info.bios_hardcoded_edid,
487 			       rdev->mode_info.bios_hardcoded_edid_size);
488 			return edid;
489 		}
490 	}
491 	return NULL;
492 }
493 
combios_setup_i2c_bus(struct radeon_device * rdev,enum radeon_combios_ddc ddc,u32 clk_mask,u32 data_mask)494 static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
495 						       enum radeon_combios_ddc ddc,
496 						       u32 clk_mask,
497 						       u32 data_mask)
498 {
499 	struct radeon_i2c_bus_rec i2c;
500 	int ddc_line = 0;
501 
502 	/* ddc id            = mask reg
503 	 * DDC_NONE_DETECTED = none
504 	 * DDC_DVI           = RADEON_GPIO_DVI_DDC
505 	 * DDC_VGA           = RADEON_GPIO_VGA_DDC
506 	 * DDC_LCD           = RADEON_GPIOPAD_MASK
507 	 * DDC_GPIO          = RADEON_MDGPIO_MASK
508 	 * r1xx
509 	 * DDC_MONID         = RADEON_GPIO_MONID
510 	 * DDC_CRT2          = RADEON_GPIO_CRT2_DDC
511 	 * r200
512 	 * DDC_MONID         = RADEON_GPIO_MONID
513 	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
514 	 * r300/r350
515 	 * DDC_MONID         = RADEON_GPIO_DVI_DDC
516 	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
517 	 * rv2xx/rv3xx
518 	 * DDC_MONID         = RADEON_GPIO_MONID
519 	 * DDC_CRT2          = RADEON_GPIO_MONID
520 	 * rs3xx/rs4xx
521 	 * DDC_MONID         = RADEON_GPIOPAD_MASK
522 	 * DDC_CRT2          = RADEON_GPIO_MONID
523 	 */
524 	switch (ddc) {
525 	case DDC_NONE_DETECTED:
526 	default:
527 		ddc_line = 0;
528 		break;
529 	case DDC_DVI:
530 		ddc_line = RADEON_GPIO_DVI_DDC;
531 		break;
532 	case DDC_VGA:
533 		ddc_line = RADEON_GPIO_VGA_DDC;
534 		break;
535 	case DDC_LCD:
536 		ddc_line = RADEON_GPIOPAD_MASK;
537 		break;
538 	case DDC_GPIO:
539 		ddc_line = RADEON_MDGPIO_MASK;
540 		break;
541 	case DDC_MONID:
542 		if (rdev->family == CHIP_RS300 ||
543 		    rdev->family == CHIP_RS400 ||
544 		    rdev->family == CHIP_RS480)
545 			ddc_line = RADEON_GPIOPAD_MASK;
546 		else if (rdev->family == CHIP_R300 ||
547 			 rdev->family == CHIP_R350) {
548 			ddc_line = RADEON_GPIO_DVI_DDC;
549 			ddc = DDC_DVI;
550 		} else
551 			ddc_line = RADEON_GPIO_MONID;
552 		break;
553 	case DDC_CRT2:
554 		if (rdev->family == CHIP_R200 ||
555 		    rdev->family == CHIP_R300 ||
556 		    rdev->family == CHIP_R350) {
557 			ddc_line = RADEON_GPIO_DVI_DDC;
558 			ddc = DDC_DVI;
559 		} else if (rdev->family == CHIP_RS300 ||
560 			   rdev->family == CHIP_RS400 ||
561 			   rdev->family == CHIP_RS480)
562 			ddc_line = RADEON_GPIO_MONID;
563 		else if (rdev->family >= CHIP_RV350) {
564 			ddc_line = RADEON_GPIO_MONID;
565 			ddc = DDC_MONID;
566 		} else
567 			ddc_line = RADEON_GPIO_CRT2_DDC;
568 		break;
569 	}
570 
571 	if (ddc_line == RADEON_GPIOPAD_MASK) {
572 		i2c.mask_clk_reg = RADEON_GPIOPAD_MASK;
573 		i2c.mask_data_reg = RADEON_GPIOPAD_MASK;
574 		i2c.a_clk_reg = RADEON_GPIOPAD_A;
575 		i2c.a_data_reg = RADEON_GPIOPAD_A;
576 		i2c.en_clk_reg = RADEON_GPIOPAD_EN;
577 		i2c.en_data_reg = RADEON_GPIOPAD_EN;
578 		i2c.y_clk_reg = RADEON_GPIOPAD_Y;
579 		i2c.y_data_reg = RADEON_GPIOPAD_Y;
580 	} else if (ddc_line == RADEON_MDGPIO_MASK) {
581 		i2c.mask_clk_reg = RADEON_MDGPIO_MASK;
582 		i2c.mask_data_reg = RADEON_MDGPIO_MASK;
583 		i2c.a_clk_reg = RADEON_MDGPIO_A;
584 		i2c.a_data_reg = RADEON_MDGPIO_A;
585 		i2c.en_clk_reg = RADEON_MDGPIO_EN;
586 		i2c.en_data_reg = RADEON_MDGPIO_EN;
587 		i2c.y_clk_reg = RADEON_MDGPIO_Y;
588 		i2c.y_data_reg = RADEON_MDGPIO_Y;
589 	} else {
590 		i2c.mask_clk_reg = ddc_line;
591 		i2c.mask_data_reg = ddc_line;
592 		i2c.a_clk_reg = ddc_line;
593 		i2c.a_data_reg = ddc_line;
594 		i2c.en_clk_reg = ddc_line;
595 		i2c.en_data_reg = ddc_line;
596 		i2c.y_clk_reg = ddc_line;
597 		i2c.y_data_reg = ddc_line;
598 	}
599 
600 	if (clk_mask && data_mask) {
601 		/* system specific masks */
602 		i2c.mask_clk_mask = clk_mask;
603 		i2c.mask_data_mask = data_mask;
604 		i2c.a_clk_mask = clk_mask;
605 		i2c.a_data_mask = data_mask;
606 		i2c.en_clk_mask = clk_mask;
607 		i2c.en_data_mask = data_mask;
608 		i2c.y_clk_mask = clk_mask;
609 		i2c.y_data_mask = data_mask;
610 	} else if ((ddc_line == RADEON_GPIOPAD_MASK) ||
611 		   (ddc_line == RADEON_MDGPIO_MASK)) {
612 		/* default gpiopad masks */
613 		i2c.mask_clk_mask = (0x20 << 8);
614 		i2c.mask_data_mask = 0x80;
615 		i2c.a_clk_mask = (0x20 << 8);
616 		i2c.a_data_mask = 0x80;
617 		i2c.en_clk_mask = (0x20 << 8);
618 		i2c.en_data_mask = 0x80;
619 		i2c.y_clk_mask = (0x20 << 8);
620 		i2c.y_data_mask = 0x80;
621 	} else {
622 		/* default masks for ddc pads */
623 		i2c.mask_clk_mask = RADEON_GPIO_MASK_1;
624 		i2c.mask_data_mask = RADEON_GPIO_MASK_0;
625 		i2c.a_clk_mask = RADEON_GPIO_A_1;
626 		i2c.a_data_mask = RADEON_GPIO_A_0;
627 		i2c.en_clk_mask = RADEON_GPIO_EN_1;
628 		i2c.en_data_mask = RADEON_GPIO_EN_0;
629 		i2c.y_clk_mask = RADEON_GPIO_Y_1;
630 		i2c.y_data_mask = RADEON_GPIO_Y_0;
631 	}
632 
633 	switch (rdev->family) {
634 	case CHIP_R100:
635 	case CHIP_RV100:
636 	case CHIP_RS100:
637 	case CHIP_RV200:
638 	case CHIP_RS200:
639 	case CHIP_RS300:
640 		switch (ddc_line) {
641 		case RADEON_GPIO_DVI_DDC:
642 			i2c.hw_capable = true;
643 			break;
644 		default:
645 			i2c.hw_capable = false;
646 			break;
647 		}
648 		break;
649 	case CHIP_R200:
650 		switch (ddc_line) {
651 		case RADEON_GPIO_DVI_DDC:
652 		case RADEON_GPIO_MONID:
653 			i2c.hw_capable = true;
654 			break;
655 		default:
656 			i2c.hw_capable = false;
657 			break;
658 		}
659 		break;
660 	case CHIP_RV250:
661 	case CHIP_RV280:
662 		switch (ddc_line) {
663 		case RADEON_GPIO_VGA_DDC:
664 		case RADEON_GPIO_DVI_DDC:
665 		case RADEON_GPIO_CRT2_DDC:
666 			i2c.hw_capable = true;
667 			break;
668 		default:
669 			i2c.hw_capable = false;
670 			break;
671 		}
672 		break;
673 	case CHIP_R300:
674 	case CHIP_R350:
675 		switch (ddc_line) {
676 		case RADEON_GPIO_VGA_DDC:
677 		case RADEON_GPIO_DVI_DDC:
678 			i2c.hw_capable = true;
679 			break;
680 		default:
681 			i2c.hw_capable = false;
682 			break;
683 		}
684 		break;
685 	case CHIP_RV350:
686 	case CHIP_RV380:
687 	case CHIP_RS400:
688 	case CHIP_RS480:
689 		switch (ddc_line) {
690 		case RADEON_GPIO_VGA_DDC:
691 		case RADEON_GPIO_DVI_DDC:
692 			i2c.hw_capable = true;
693 			break;
694 		case RADEON_GPIO_MONID:
695 			/* hw i2c on RADEON_GPIO_MONID doesn't seem to work
696 			 * reliably on some pre-r4xx hardware; not sure why.
697 			 */
698 			i2c.hw_capable = false;
699 			break;
700 		default:
701 			i2c.hw_capable = false;
702 			break;
703 		}
704 		break;
705 	default:
706 		i2c.hw_capable = false;
707 		break;
708 	}
709 	i2c.mm_i2c = false;
710 
711 	i2c.i2c_id = ddc;
712 	i2c.hpd = RADEON_HPD_NONE;
713 
714 	if (ddc_line)
715 		i2c.valid = true;
716 	else
717 		i2c.valid = false;
718 
719 	return i2c;
720 }
721 
radeon_combios_get_i2c_info_from_table(struct radeon_device * rdev)722 static struct radeon_i2c_bus_rec radeon_combios_get_i2c_info_from_table(struct radeon_device *rdev)
723 {
724 	struct drm_device *dev = rdev->ddev;
725 	struct radeon_i2c_bus_rec i2c;
726 	u16 offset;
727 	u8 id, blocks, clk, data;
728 	int i;
729 
730 	i2c.valid = false;
731 
732 	offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE);
733 	if (offset) {
734 		blocks = RBIOS8(offset + 2);
735 		for (i = 0; i < blocks; i++) {
736 			id = RBIOS8(offset + 3 + (i * 5) + 0);
737 			if (id == 136) {
738 				clk = RBIOS8(offset + 3 + (i * 5) + 3);
739 				data = RBIOS8(offset + 3 + (i * 5) + 4);
740 				/* gpiopad */
741 				i2c = combios_setup_i2c_bus(rdev, DDC_MONID,
742 							    (1 << clk), (1 << data));
743 				break;
744 			}
745 		}
746 	}
747 	return i2c;
748 }
749 
radeon_combios_i2c_init(struct radeon_device * rdev)750 void radeon_combios_i2c_init(struct radeon_device *rdev)
751 {
752 	struct drm_device *dev = rdev->ddev;
753 	struct radeon_i2c_bus_rec i2c;
754 
755 	/* actual hw pads
756 	 * r1xx/rs2xx/rs3xx
757 	 * 0x60, 0x64, 0x68, 0x6c, gpiopads, mm
758 	 * r200
759 	 * 0x60, 0x64, 0x68, mm
760 	 * r300/r350
761 	 * 0x60, 0x64, mm
762 	 * rv2xx/rv3xx/rs4xx
763 	 * 0x60, 0x64, 0x68, gpiopads, mm
764 	 */
765 
766 	/* 0x60 */
767 	i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
768 	rdev->i2c_bus[0] = radeon_i2c_create(dev, &i2c, "DVI_DDC");
769 	/* 0x64 */
770 	i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
771 	rdev->i2c_bus[1] = radeon_i2c_create(dev, &i2c, "VGA_DDC");
772 
773 	/* mm i2c */
774 	i2c.valid = true;
775 	i2c.hw_capable = true;
776 	i2c.mm_i2c = true;
777 	i2c.i2c_id = 0xa0;
778 	rdev->i2c_bus[2] = radeon_i2c_create(dev, &i2c, "MM_I2C");
779 
780 	if (rdev->family == CHIP_R300 ||
781 	    rdev->family == CHIP_R350) {
782 		/* only 2 sw i2c pads */
783 	} else if (rdev->family == CHIP_RS300 ||
784 		   rdev->family == CHIP_RS400 ||
785 		   rdev->family == CHIP_RS480) {
786 		/* 0x68 */
787 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
788 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
789 
790 		/* gpiopad */
791 		i2c = radeon_combios_get_i2c_info_from_table(rdev);
792 		if (i2c.valid)
793 			rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "GPIOPAD_MASK");
794 	} else if ((rdev->family == CHIP_R200) ||
795 		   (rdev->family >= CHIP_R300)) {
796 		/* 0x68 */
797 		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
798 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
799 	} else {
800 		/* 0x68 */
801 		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
802 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
803 		/* 0x6c */
804 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
805 		rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "CRT2_DDC");
806 	}
807 }
808 
radeon_combios_get_clock_info(struct drm_device * dev)809 bool radeon_combios_get_clock_info(struct drm_device *dev)
810 {
811 	struct radeon_device *rdev = dev->dev_private;
812 	uint16_t pll_info;
813 	struct radeon_pll *p1pll = &rdev->clock.p1pll;
814 	struct radeon_pll *p2pll = &rdev->clock.p2pll;
815 	struct radeon_pll *spll = &rdev->clock.spll;
816 	struct radeon_pll *mpll = &rdev->clock.mpll;
817 	int8_t rev;
818 	uint16_t sclk, mclk;
819 
820 	pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
821 	if (pll_info) {
822 		rev = RBIOS8(pll_info);
823 
824 		/* pixel clocks */
825 		p1pll->reference_freq = RBIOS16(pll_info + 0xe);
826 		p1pll->reference_div = RBIOS16(pll_info + 0x10);
827 		p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
828 		p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
829 		p1pll->lcd_pll_out_min = p1pll->pll_out_min;
830 		p1pll->lcd_pll_out_max = p1pll->pll_out_max;
831 
832 		if (rev > 9) {
833 			p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
834 			p1pll->pll_in_max = RBIOS32(pll_info + 0x3a);
835 		} else {
836 			p1pll->pll_in_min = 40;
837 			p1pll->pll_in_max = 500;
838 		}
839 		*p2pll = *p1pll;
840 
841 		/* system clock */
842 		spll->reference_freq = RBIOS16(pll_info + 0x1a);
843 		spll->reference_div = RBIOS16(pll_info + 0x1c);
844 		spll->pll_out_min = RBIOS32(pll_info + 0x1e);
845 		spll->pll_out_max = RBIOS32(pll_info + 0x22);
846 
847 		if (rev > 10) {
848 			spll->pll_in_min = RBIOS32(pll_info + 0x48);
849 			spll->pll_in_max = RBIOS32(pll_info + 0x4c);
850 		} else {
851 			/* ??? */
852 			spll->pll_in_min = 40;
853 			spll->pll_in_max = 500;
854 		}
855 
856 		/* memory clock */
857 		mpll->reference_freq = RBIOS16(pll_info + 0x26);
858 		mpll->reference_div = RBIOS16(pll_info + 0x28);
859 		mpll->pll_out_min = RBIOS32(pll_info + 0x2a);
860 		mpll->pll_out_max = RBIOS32(pll_info + 0x2e);
861 
862 		if (rev > 10) {
863 			mpll->pll_in_min = RBIOS32(pll_info + 0x5a);
864 			mpll->pll_in_max = RBIOS32(pll_info + 0x5e);
865 		} else {
866 			/* ??? */
867 			mpll->pll_in_min = 40;
868 			mpll->pll_in_max = 500;
869 		}
870 
871 		/* default sclk/mclk */
872 		sclk = RBIOS16(pll_info + 0xa);
873 		mclk = RBIOS16(pll_info + 0x8);
874 		if (sclk == 0)
875 			sclk = 200 * 100;
876 		if (mclk == 0)
877 			mclk = 200 * 100;
878 
879 		rdev->clock.default_sclk = sclk;
880 		rdev->clock.default_mclk = mclk;
881 
882 		if (RBIOS32(pll_info + 0x16))
883 			rdev->clock.max_pixel_clock = RBIOS32(pll_info + 0x16);
884 		else
885 			rdev->clock.max_pixel_clock = 35000; /* might need something asic specific */
886 
887 		return true;
888 	}
889 	return false;
890 }
891 
radeon_combios_sideport_present(struct radeon_device * rdev)892 bool radeon_combios_sideport_present(struct radeon_device *rdev)
893 {
894 	struct drm_device *dev = rdev->ddev;
895 	u16 igp_info;
896 
897 	/* sideport is AMD only */
898 	if (rdev->family == CHIP_RS400)
899 		return false;
900 
901 	igp_info = combios_get_table_offset(dev, COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE);
902 
903 	if (igp_info) {
904 		if (RBIOS16(igp_info + 0x4))
905 			return true;
906 	}
907 	return false;
908 }
909 
910 static const uint32_t default_primarydac_adj[CHIP_LAST] = {
911 	0x00000808,		/* r100  */
912 	0x00000808,		/* rv100 */
913 	0x00000808,		/* rs100 */
914 	0x00000808,		/* rv200 */
915 	0x00000808,		/* rs200 */
916 	0x00000808,		/* r200  */
917 	0x00000808,		/* rv250 */
918 	0x00000000,		/* rs300 */
919 	0x00000808,		/* rv280 */
920 	0x00000808,		/* r300  */
921 	0x00000808,		/* r350  */
922 	0x00000808,		/* rv350 */
923 	0x00000808,		/* rv380 */
924 	0x00000808,		/* r420  */
925 	0x00000808,		/* r423  */
926 	0x00000808,		/* rv410 */
927 	0x00000000,		/* rs400 */
928 	0x00000000,		/* rs480 */
929 };
930 
radeon_legacy_get_primary_dac_info_from_table(struct radeon_device * rdev,struct radeon_encoder_primary_dac * p_dac)931 static void radeon_legacy_get_primary_dac_info_from_table(struct radeon_device *rdev,
932 							  struct radeon_encoder_primary_dac *p_dac)
933 {
934 	p_dac->ps2_pdac_adj = default_primarydac_adj[rdev->family];
935 	return;
936 }
937 
radeon_combios_get_primary_dac_info(struct radeon_encoder * encoder)938 struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
939 								       radeon_encoder
940 								       *encoder)
941 {
942 	struct drm_device *dev = encoder->base.dev;
943 	struct radeon_device *rdev = dev->dev_private;
944 	uint16_t dac_info;
945 	uint8_t rev, bg, dac;
946 	struct radeon_encoder_primary_dac *p_dac = NULL;
947 	int found = 0;
948 
949 	p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac),
950 			GFP_KERNEL);
951 
952 	if (!p_dac)
953 		return NULL;
954 
955 	/* check CRT table */
956 	dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
957 	if (dac_info) {
958 		rev = RBIOS8(dac_info) & 0x3;
959 		if (rev < 2) {
960 			bg = RBIOS8(dac_info + 0x2) & 0xf;
961 			dac = (RBIOS8(dac_info + 0x2) >> 4) & 0xf;
962 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
963 		} else {
964 			bg = RBIOS8(dac_info + 0x2) & 0xf;
965 			dac = RBIOS8(dac_info + 0x3) & 0xf;
966 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
967 		}
968 		/* if the values are all zeros, use the table */
969 		if (p_dac->ps2_pdac_adj)
970 			found = 1;
971 	}
972 
973 	/* quirks */
974 	/* Radeon 9100 (R200) */
975 	if ((dev->pdev->device == 0x514D) &&
976 	    (dev->pdev->subsystem_vendor == 0x174B) &&
977 	    (dev->pdev->subsystem_device == 0x7149)) {
978 		/* vbios value is bad, use the default */
979 		found = 0;
980 	}
981 
982 	if (!found) /* fallback to defaults */
983 		radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac);
984 
985 	return p_dac;
986 }
987 
988 enum radeon_tv_std
radeon_combios_get_tv_info(struct radeon_device * rdev)989 radeon_combios_get_tv_info(struct radeon_device *rdev)
990 {
991 	struct drm_device *dev = rdev->ddev;
992 	uint16_t tv_info;
993 	enum radeon_tv_std tv_std = TV_STD_NTSC;
994 
995 	tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
996 	if (tv_info) {
997 		if (RBIOS8(tv_info + 6) == 'T') {
998 			switch (RBIOS8(tv_info + 7) & 0xf) {
999 			case 1:
1000 				tv_std = TV_STD_NTSC;
1001 				DRM_DEBUG_KMS("Default TV standard: NTSC\n");
1002 				break;
1003 			case 2:
1004 				tv_std = TV_STD_PAL;
1005 				DRM_DEBUG_KMS("Default TV standard: PAL\n");
1006 				break;
1007 			case 3:
1008 				tv_std = TV_STD_PAL_M;
1009 				DRM_DEBUG_KMS("Default TV standard: PAL-M\n");
1010 				break;
1011 			case 4:
1012 				tv_std = TV_STD_PAL_60;
1013 				DRM_DEBUG_KMS("Default TV standard: PAL-60\n");
1014 				break;
1015 			case 5:
1016 				tv_std = TV_STD_NTSC_J;
1017 				DRM_DEBUG_KMS("Default TV standard: NTSC-J\n");
1018 				break;
1019 			case 6:
1020 				tv_std = TV_STD_SCART_PAL;
1021 				DRM_DEBUG_KMS("Default TV standard: SCART-PAL\n");
1022 				break;
1023 			default:
1024 				tv_std = TV_STD_NTSC;
1025 				DRM_DEBUG_KMS
1026 				    ("Unknown TV standard; defaulting to NTSC\n");
1027 				break;
1028 			}
1029 
1030 			switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
1031 			case 0:
1032 				DRM_DEBUG_KMS("29.498928713 MHz TV ref clk\n");
1033 				break;
1034 			case 1:
1035 				DRM_DEBUG_KMS("28.636360000 MHz TV ref clk\n");
1036 				break;
1037 			case 2:
1038 				DRM_DEBUG_KMS("14.318180000 MHz TV ref clk\n");
1039 				break;
1040 			case 3:
1041 				DRM_DEBUG_KMS("27.000000000 MHz TV ref clk\n");
1042 				break;
1043 			default:
1044 				break;
1045 			}
1046 		}
1047 	}
1048 	return tv_std;
1049 }
1050 
1051 static const uint32_t default_tvdac_adj[CHIP_LAST] = {
1052 	0x00000000,		/* r100  */
1053 	0x00280000,		/* rv100 */
1054 	0x00000000,		/* rs100 */
1055 	0x00880000,		/* rv200 */
1056 	0x00000000,		/* rs200 */
1057 	0x00000000,		/* r200  */
1058 	0x00770000,		/* rv250 */
1059 	0x00290000,		/* rs300 */
1060 	0x00560000,		/* rv280 */
1061 	0x00780000,		/* r300  */
1062 	0x00770000,		/* r350  */
1063 	0x00780000,		/* rv350 */
1064 	0x00780000,		/* rv380 */
1065 	0x01080000,		/* r420  */
1066 	0x01080000,		/* r423  */
1067 	0x01080000,		/* rv410 */
1068 	0x00780000,		/* rs400 */
1069 	0x00780000,		/* rs480 */
1070 };
1071 
radeon_legacy_get_tv_dac_info_from_table(struct radeon_device * rdev,struct radeon_encoder_tv_dac * tv_dac)1072 static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
1073 						     struct radeon_encoder_tv_dac *tv_dac)
1074 {
1075 	tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
1076 	if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
1077 		tv_dac->ps2_tvdac_adj = 0x00880000;
1078 	tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1079 	tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1080 	return;
1081 }
1082 
radeon_combios_get_tv_dac_info(struct radeon_encoder * encoder)1083 struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
1084 							     radeon_encoder
1085 							     *encoder)
1086 {
1087 	struct drm_device *dev = encoder->base.dev;
1088 	struct radeon_device *rdev = dev->dev_private;
1089 	uint16_t dac_info;
1090 	uint8_t rev, bg, dac;
1091 	struct radeon_encoder_tv_dac *tv_dac = NULL;
1092 	int found = 0;
1093 
1094 	tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
1095 	if (!tv_dac)
1096 		return NULL;
1097 
1098 	/* first check TV table */
1099 	dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
1100 	if (dac_info) {
1101 		rev = RBIOS8(dac_info + 0x3);
1102 		if (rev > 4) {
1103 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1104 			dac = RBIOS8(dac_info + 0xd) & 0xf;
1105 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1106 
1107 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1108 			dac = RBIOS8(dac_info + 0xf) & 0xf;
1109 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1110 
1111 			bg = RBIOS8(dac_info + 0x10) & 0xf;
1112 			dac = RBIOS8(dac_info + 0x11) & 0xf;
1113 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1114 			/* if the values are all zeros, use the table */
1115 			if (tv_dac->ps2_tvdac_adj)
1116 				found = 1;
1117 		} else if (rev > 1) {
1118 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1119 			dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
1120 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1121 
1122 			bg = RBIOS8(dac_info + 0xd) & 0xf;
1123 			dac = (RBIOS8(dac_info + 0xd) >> 4) & 0xf;
1124 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1125 
1126 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1127 			dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
1128 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1129 			/* if the values are all zeros, use the table */
1130 			if (tv_dac->ps2_tvdac_adj)
1131 				found = 1;
1132 		}
1133 		tv_dac->tv_std = radeon_combios_get_tv_info(rdev);
1134 	}
1135 	if (!found) {
1136 		/* then check CRT table */
1137 		dac_info =
1138 		    combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
1139 		if (dac_info) {
1140 			rev = RBIOS8(dac_info) & 0x3;
1141 			if (rev < 2) {
1142 				bg = RBIOS8(dac_info + 0x3) & 0xf;
1143 				dac = (RBIOS8(dac_info + 0x3) >> 4) & 0xf;
1144 				tv_dac->ps2_tvdac_adj =
1145 				    (bg << 16) | (dac << 20);
1146 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1147 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1148 				/* if the values are all zeros, use the table */
1149 				if (tv_dac->ps2_tvdac_adj)
1150 					found = 1;
1151 			} else {
1152 				bg = RBIOS8(dac_info + 0x4) & 0xf;
1153 				dac = RBIOS8(dac_info + 0x5) & 0xf;
1154 				tv_dac->ps2_tvdac_adj =
1155 				    (bg << 16) | (dac << 20);
1156 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1157 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1158 				/* if the values are all zeros, use the table */
1159 				if (tv_dac->ps2_tvdac_adj)
1160 					found = 1;
1161 			}
1162 		} else {
1163 			DRM_INFO("No TV DAC info found in BIOS\n");
1164 		}
1165 	}
1166 
1167 	if (!found) /* fallback to defaults */
1168 		radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
1169 
1170 	return tv_dac;
1171 }
1172 
radeon_legacy_get_lvds_info_from_regs(struct radeon_device * rdev)1173 static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
1174 									 radeon_device
1175 									 *rdev)
1176 {
1177 	struct radeon_encoder_lvds *lvds = NULL;
1178 	uint32_t fp_vert_stretch, fp_horz_stretch;
1179 	uint32_t ppll_div_sel, ppll_val;
1180 	uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
1181 
1182 	lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1183 
1184 	if (!lvds)
1185 		return NULL;
1186 
1187 	fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH);
1188 	fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH);
1189 
1190 	/* These should be fail-safe defaults, fingers crossed */
1191 	lvds->panel_pwr_delay = 200;
1192 	lvds->panel_vcc_delay = 2000;
1193 
1194 	lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
1195 	lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf;
1196 	lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf;
1197 
1198 	if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
1199 		lvds->native_mode.vdisplay =
1200 		    ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
1201 		     RADEON_VERT_PANEL_SHIFT) + 1;
1202 	else
1203 		lvds->native_mode.vdisplay =
1204 		    (RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;
1205 
1206 	if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
1207 		lvds->native_mode.hdisplay =
1208 		    (((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
1209 		      RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
1210 	else
1211 		lvds->native_mode.hdisplay =
1212 		    ((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;
1213 
1214 	if ((lvds->native_mode.hdisplay < 640) ||
1215 	    (lvds->native_mode.vdisplay < 480)) {
1216 		lvds->native_mode.hdisplay = 640;
1217 		lvds->native_mode.vdisplay = 480;
1218 	}
1219 
1220 	ppll_div_sel = RREG8(RADEON_CLOCK_CNTL_INDEX + 1) & 0x3;
1221 	ppll_val = RREG32_PLL(RADEON_PPLL_DIV_0 + ppll_div_sel);
1222 	if ((ppll_val & 0x000707ff) == 0x1bb)
1223 		lvds->use_bios_dividers = false;
1224 	else {
1225 		lvds->panel_ref_divider =
1226 		    RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
1227 		lvds->panel_post_divider = (ppll_val >> 16) & 0x7;
1228 		lvds->panel_fb_divider = ppll_val & 0x7ff;
1229 
1230 		if ((lvds->panel_ref_divider != 0) &&
1231 		    (lvds->panel_fb_divider > 3))
1232 			lvds->use_bios_dividers = true;
1233 	}
1234 	lvds->panel_vcc_delay = 200;
1235 
1236 	DRM_INFO("Panel info derived from registers\n");
1237 	DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1238 		 lvds->native_mode.vdisplay);
1239 
1240 	return lvds;
1241 }
1242 
radeon_combios_get_lvds_info(struct radeon_encoder * encoder)1243 struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
1244 							 *encoder)
1245 {
1246 	struct drm_device *dev = encoder->base.dev;
1247 	struct radeon_device *rdev = dev->dev_private;
1248 	uint16_t lcd_info;
1249 	uint32_t panel_setup;
1250 	char stmp[30];
1251 	int tmp, i;
1252 	struct radeon_encoder_lvds *lvds = NULL;
1253 
1254 	lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
1255 
1256 	if (lcd_info) {
1257 		lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1258 
1259 		if (!lvds)
1260 			return NULL;
1261 
1262 		for (i = 0; i < 24; i++)
1263 			stmp[i] = RBIOS8(lcd_info + i + 1);
1264 		stmp[24] = 0;
1265 
1266 		DRM_INFO("Panel ID String: %s\n", stmp);
1267 
1268 		lvds->native_mode.hdisplay = RBIOS16(lcd_info + 0x19);
1269 		lvds->native_mode.vdisplay = RBIOS16(lcd_info + 0x1b);
1270 
1271 		DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1272 			 lvds->native_mode.vdisplay);
1273 
1274 		lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
1275 		lvds->panel_vcc_delay = min_t(u16, lvds->panel_vcc_delay, 2000);
1276 
1277 		lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24);
1278 		lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf;
1279 		lvds->panel_blon_delay = (RBIOS16(lcd_info + 0x38) >> 4) & 0xf;
1280 
1281 		lvds->panel_ref_divider = RBIOS16(lcd_info + 0x2e);
1282 		lvds->panel_post_divider = RBIOS8(lcd_info + 0x30);
1283 		lvds->panel_fb_divider = RBIOS16(lcd_info + 0x31);
1284 		if ((lvds->panel_ref_divider != 0) &&
1285 		    (lvds->panel_fb_divider > 3))
1286 			lvds->use_bios_dividers = true;
1287 
1288 		panel_setup = RBIOS32(lcd_info + 0x39);
1289 		lvds->lvds_gen_cntl = 0xff00;
1290 		if (panel_setup & 0x1)
1291 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
1292 
1293 		if ((panel_setup >> 4) & 0x1)
1294 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
1295 
1296 		switch ((panel_setup >> 8) & 0x7) {
1297 		case 0:
1298 			lvds->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
1299 			break;
1300 		case 1:
1301 			lvds->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
1302 			break;
1303 		case 2:
1304 			lvds->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
1305 			break;
1306 		default:
1307 			break;
1308 		}
1309 
1310 		if ((panel_setup >> 16) & 0x1)
1311 			lvds->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
1312 
1313 		if ((panel_setup >> 17) & 0x1)
1314 			lvds->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
1315 
1316 		if ((panel_setup >> 18) & 0x1)
1317 			lvds->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
1318 
1319 		if ((panel_setup >> 23) & 0x1)
1320 			lvds->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
1321 
1322 		lvds->lvds_gen_cntl |= (panel_setup & 0xf0000000);
1323 
1324 		for (i = 0; i < 32; i++) {
1325 			tmp = RBIOS16(lcd_info + 64 + i * 2);
1326 			if (tmp == 0)
1327 				break;
1328 
1329 			if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
1330 			    (RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) {
1331 				lvds->native_mode.htotal = lvds->native_mode.hdisplay +
1332 					(RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8;
1333 				lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
1334 					(RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8;
1335 				lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
1336 					(RBIOS8(tmp + 23) * 8);
1337 
1338 				lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
1339 					(RBIOS16(tmp + 24) - RBIOS16(tmp + 26));
1340 				lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
1341 					((RBIOS16(tmp + 28) & 0x7ff) - RBIOS16(tmp + 26));
1342 				lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
1343 					((RBIOS16(tmp + 28) & 0xf800) >> 11);
1344 
1345 				lvds->native_mode.clock = RBIOS16(tmp + 9) * 10;
1346 				lvds->native_mode.flags = 0;
1347 				/* set crtc values */
1348 				drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
1349 
1350 			}
1351 		}
1352 	} else {
1353 		DRM_INFO("No panel info found in BIOS\n");
1354 		lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
1355 	}
1356 
1357 	if (lvds)
1358 		encoder->native_mode = lvds->native_mode;
1359 	return lvds;
1360 }
1361 
1362 static const struct radeon_tmds_pll default_tmds_pll[CHIP_LAST][4] = {
1363 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R100  */
1364 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV100 */
1365 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS100 */
1366 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV200 */
1367 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RS200 */
1368 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R200  */
1369 	{{15500, 0x81b}, {0xffffffff, 0x83f}, {0, 0}, {0, 0}},	/* CHIP_RV250 */
1370 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS300 */
1371 	{{13000, 0x400f4}, {15000, 0x400f7}, {0xffffffff, 0x40111}, {0, 0}},	/* CHIP_RV280 */
1372 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R300  */
1373 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R350  */
1374 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV350 */
1375 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV380 */
1376 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R420  */
1377 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R423  */
1378 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RV410 */
1379 	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS400 */
1380 	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS480 */
1381 };
1382 
radeon_legacy_get_tmds_info_from_table(struct radeon_encoder * encoder,struct radeon_encoder_int_tmds * tmds)1383 bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
1384 					    struct radeon_encoder_int_tmds *tmds)
1385 {
1386 	struct drm_device *dev = encoder->base.dev;
1387 	struct radeon_device *rdev = dev->dev_private;
1388 	int i;
1389 
1390 	for (i = 0; i < 4; i++) {
1391 		tmds->tmds_pll[i].value =
1392 			default_tmds_pll[rdev->family][i].value;
1393 		tmds->tmds_pll[i].freq = default_tmds_pll[rdev->family][i].freq;
1394 	}
1395 
1396 	return true;
1397 }
1398 
radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder * encoder,struct radeon_encoder_int_tmds * tmds)1399 bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
1400 					      struct radeon_encoder_int_tmds *tmds)
1401 {
1402 	struct drm_device *dev = encoder->base.dev;
1403 	struct radeon_device *rdev = dev->dev_private;
1404 	uint16_t tmds_info;
1405 	int i, n;
1406 	uint8_t ver;
1407 
1408 	tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1409 
1410 	if (tmds_info) {
1411 		ver = RBIOS8(tmds_info);
1412 		DRM_DEBUG_KMS("DFP table revision: %d\n", ver);
1413 		if (ver == 3) {
1414 			n = RBIOS8(tmds_info + 5) + 1;
1415 			if (n > 4)
1416 				n = 4;
1417 			for (i = 0; i < n; i++) {
1418 				tmds->tmds_pll[i].value =
1419 				    RBIOS32(tmds_info + i * 10 + 0x08);
1420 				tmds->tmds_pll[i].freq =
1421 				    RBIOS16(tmds_info + i * 10 + 0x10);
1422 				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1423 					  tmds->tmds_pll[i].freq,
1424 					  tmds->tmds_pll[i].value);
1425 			}
1426 		} else if (ver == 4) {
1427 			int stride = 0;
1428 			n = RBIOS8(tmds_info + 5) + 1;
1429 			if (n > 4)
1430 				n = 4;
1431 			for (i = 0; i < n; i++) {
1432 				tmds->tmds_pll[i].value =
1433 				    RBIOS32(tmds_info + stride + 0x08);
1434 				tmds->tmds_pll[i].freq =
1435 				    RBIOS16(tmds_info + stride + 0x10);
1436 				if (i == 0)
1437 					stride += 10;
1438 				else
1439 					stride += 6;
1440 				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1441 					  tmds->tmds_pll[i].freq,
1442 					  tmds->tmds_pll[i].value);
1443 			}
1444 		}
1445 	} else {
1446 		DRM_INFO("No TMDS info found in BIOS\n");
1447 		return false;
1448 	}
1449 	return true;
1450 }
1451 
radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder * encoder,struct radeon_encoder_ext_tmds * tmds)1452 bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
1453 						struct radeon_encoder_ext_tmds *tmds)
1454 {
1455 	struct drm_device *dev = encoder->base.dev;
1456 	struct radeon_device *rdev = dev->dev_private;
1457 	struct radeon_i2c_bus_rec i2c_bus;
1458 
1459 	/* default for macs */
1460 	i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1461 	tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1462 
1463 	/* XXX some macs have duallink chips */
1464 	switch (rdev->mode_info.connector_table) {
1465 	case CT_POWERBOOK_EXTERNAL:
1466 	case CT_MINI_EXTERNAL:
1467 	default:
1468 		tmds->dvo_chip = DVO_SIL164;
1469 		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1470 		break;
1471 	}
1472 
1473 	return true;
1474 }
1475 
radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder * encoder,struct radeon_encoder_ext_tmds * tmds)1476 bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
1477 						  struct radeon_encoder_ext_tmds *tmds)
1478 {
1479 	struct drm_device *dev = encoder->base.dev;
1480 	struct radeon_device *rdev = dev->dev_private;
1481 	uint16_t offset;
1482 	uint8_t ver;
1483 	enum radeon_combios_ddc gpio;
1484 	struct radeon_i2c_bus_rec i2c_bus;
1485 
1486 	tmds->i2c_bus = NULL;
1487 	if (rdev->flags & RADEON_IS_IGP) {
1488 		i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1489 		tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1490 		tmds->dvo_chip = DVO_SIL164;
1491 		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1492 	} else {
1493 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
1494 		if (offset) {
1495 			ver = RBIOS8(offset);
1496 			DRM_DEBUG_KMS("External TMDS Table revision: %d\n", ver);
1497 			tmds->slave_addr = RBIOS8(offset + 4 + 2);
1498 			tmds->slave_addr >>= 1; /* 7 bit addressing */
1499 			gpio = RBIOS8(offset + 4 + 3);
1500 			if (gpio == DDC_LCD) {
1501 				/* MM i2c */
1502 				i2c_bus.valid = true;
1503 				i2c_bus.hw_capable = true;
1504 				i2c_bus.mm_i2c = true;
1505 				i2c_bus.i2c_id = 0xa0;
1506 			} else
1507 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
1508 			tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1509 		}
1510 	}
1511 
1512 	if (!tmds->i2c_bus) {
1513 		DRM_INFO("No valid Ext TMDS info found in BIOS\n");
1514 		return false;
1515 	}
1516 
1517 	return true;
1518 }
1519 
radeon_get_legacy_connector_info_from_table(struct drm_device * dev)1520 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
1521 {
1522 	struct radeon_device *rdev = dev->dev_private;
1523 	struct radeon_i2c_bus_rec ddc_i2c;
1524 	struct radeon_hpd hpd;
1525 
1526 	rdev->mode_info.connector_table = radeon_connector_table;
1527 	if (rdev->mode_info.connector_table == CT_NONE) {
1528 #ifdef CONFIG_PPC_PMAC
1529 		if (of_machine_is_compatible("PowerBook3,3")) {
1530 			/* powerbook with VGA */
1531 			rdev->mode_info.connector_table = CT_POWERBOOK_VGA;
1532 		} else if (of_machine_is_compatible("PowerBook3,4") ||
1533 			   of_machine_is_compatible("PowerBook3,5")) {
1534 			/* powerbook with internal tmds */
1535 			rdev->mode_info.connector_table = CT_POWERBOOK_INTERNAL;
1536 		} else if (of_machine_is_compatible("PowerBook5,1") ||
1537 			   of_machine_is_compatible("PowerBook5,2") ||
1538 			   of_machine_is_compatible("PowerBook5,3") ||
1539 			   of_machine_is_compatible("PowerBook5,4") ||
1540 			   of_machine_is_compatible("PowerBook5,5")) {
1541 			/* powerbook with external single link tmds (sil164) */
1542 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1543 		} else if (of_machine_is_compatible("PowerBook5,6")) {
1544 			/* powerbook with external dual or single link tmds */
1545 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1546 		} else if (of_machine_is_compatible("PowerBook5,7") ||
1547 			   of_machine_is_compatible("PowerBook5,8") ||
1548 			   of_machine_is_compatible("PowerBook5,9")) {
1549 			/* PowerBook6,2 ? */
1550 			/* powerbook with external dual link tmds (sil1178?) */
1551 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1552 		} else if (of_machine_is_compatible("PowerBook4,1") ||
1553 			   of_machine_is_compatible("PowerBook4,2") ||
1554 			   of_machine_is_compatible("PowerBook4,3") ||
1555 			   of_machine_is_compatible("PowerBook6,3") ||
1556 			   of_machine_is_compatible("PowerBook6,5") ||
1557 			   of_machine_is_compatible("PowerBook6,7")) {
1558 			/* ibook */
1559 			rdev->mode_info.connector_table = CT_IBOOK;
1560 		} else if (of_machine_is_compatible("PowerMac3,5")) {
1561 			/* PowerMac G4 Silver radeon 7500 */
1562 			rdev->mode_info.connector_table = CT_MAC_G4_SILVER;
1563 		} else if (of_machine_is_compatible("PowerMac4,4")) {
1564 			/* emac */
1565 			rdev->mode_info.connector_table = CT_EMAC;
1566 		} else if (of_machine_is_compatible("PowerMac10,1")) {
1567 			/* mini with internal tmds */
1568 			rdev->mode_info.connector_table = CT_MINI_INTERNAL;
1569 		} else if (of_machine_is_compatible("PowerMac10,2")) {
1570 			/* mini with external tmds */
1571 			rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
1572 		} else if (of_machine_is_compatible("PowerMac12,1")) {
1573 			/* PowerMac8,1 ? */
1574 			/* imac g5 isight */
1575 			rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
1576 		} else if ((rdev->pdev->device == 0x4a48) &&
1577 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1578 			   (rdev->pdev->subsystem_device == 0x4a48)) {
1579 			/* Mac X800 */
1580 			rdev->mode_info.connector_table = CT_MAC_X800;
1581 		} else if ((of_machine_is_compatible("PowerMac7,2") ||
1582 			    of_machine_is_compatible("PowerMac7,3")) &&
1583 			   (rdev->pdev->device == 0x4150) &&
1584 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1585 			   (rdev->pdev->subsystem_device == 0x4150)) {
1586 			/* Mac G5 tower 9600 */
1587 			rdev->mode_info.connector_table = CT_MAC_G5_9600;
1588 		} else if ((rdev->pdev->device == 0x4c66) &&
1589 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1590 			   (rdev->pdev->subsystem_device == 0x4c66)) {
1591 			/* SAM440ep RV250 embedded board */
1592 			rdev->mode_info.connector_table = CT_SAM440EP;
1593 		} else
1594 #endif /* CONFIG_PPC_PMAC */
1595 #ifdef CONFIG_PPC64
1596 		if (ASIC_IS_RN50(rdev))
1597 			rdev->mode_info.connector_table = CT_RN50_POWER;
1598 		else
1599 #endif
1600 			rdev->mode_info.connector_table = CT_GENERIC;
1601 	}
1602 
1603 	switch (rdev->mode_info.connector_table) {
1604 	case CT_GENERIC:
1605 		DRM_INFO("Connector Table: %d (generic)\n",
1606 			 rdev->mode_info.connector_table);
1607 		/* these are the most common settings */
1608 		if (rdev->flags & RADEON_SINGLE_CRTC) {
1609 			/* VGA - primary dac */
1610 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1611 			hpd.hpd = RADEON_HPD_NONE;
1612 			radeon_add_legacy_encoder(dev,
1613 						  radeon_get_encoder_enum(dev,
1614 									ATOM_DEVICE_CRT1_SUPPORT,
1615 									1),
1616 						  ATOM_DEVICE_CRT1_SUPPORT);
1617 			radeon_add_legacy_connector(dev, 0,
1618 						    ATOM_DEVICE_CRT1_SUPPORT,
1619 						    DRM_MODE_CONNECTOR_VGA,
1620 						    &ddc_i2c,
1621 						    CONNECTOR_OBJECT_ID_VGA,
1622 						    &hpd);
1623 		} else if (rdev->flags & RADEON_IS_MOBILITY) {
1624 			/* LVDS */
1625 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
1626 			hpd.hpd = RADEON_HPD_NONE;
1627 			radeon_add_legacy_encoder(dev,
1628 						  radeon_get_encoder_enum(dev,
1629 									ATOM_DEVICE_LCD1_SUPPORT,
1630 									0),
1631 						  ATOM_DEVICE_LCD1_SUPPORT);
1632 			radeon_add_legacy_connector(dev, 0,
1633 						    ATOM_DEVICE_LCD1_SUPPORT,
1634 						    DRM_MODE_CONNECTOR_LVDS,
1635 						    &ddc_i2c,
1636 						    CONNECTOR_OBJECT_ID_LVDS,
1637 						    &hpd);
1638 
1639 			/* VGA - primary dac */
1640 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1641 			hpd.hpd = RADEON_HPD_NONE;
1642 			radeon_add_legacy_encoder(dev,
1643 						  radeon_get_encoder_enum(dev,
1644 									ATOM_DEVICE_CRT1_SUPPORT,
1645 									1),
1646 						  ATOM_DEVICE_CRT1_SUPPORT);
1647 			radeon_add_legacy_connector(dev, 1,
1648 						    ATOM_DEVICE_CRT1_SUPPORT,
1649 						    DRM_MODE_CONNECTOR_VGA,
1650 						    &ddc_i2c,
1651 						    CONNECTOR_OBJECT_ID_VGA,
1652 						    &hpd);
1653 		} else {
1654 			/* DVI-I - tv dac, int tmds */
1655 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1656 			hpd.hpd = RADEON_HPD_1;
1657 			radeon_add_legacy_encoder(dev,
1658 						  radeon_get_encoder_enum(dev,
1659 									ATOM_DEVICE_DFP1_SUPPORT,
1660 									0),
1661 						  ATOM_DEVICE_DFP1_SUPPORT);
1662 			radeon_add_legacy_encoder(dev,
1663 						  radeon_get_encoder_enum(dev,
1664 									ATOM_DEVICE_CRT2_SUPPORT,
1665 									2),
1666 						  ATOM_DEVICE_CRT2_SUPPORT);
1667 			radeon_add_legacy_connector(dev, 0,
1668 						    ATOM_DEVICE_DFP1_SUPPORT |
1669 						    ATOM_DEVICE_CRT2_SUPPORT,
1670 						    DRM_MODE_CONNECTOR_DVII,
1671 						    &ddc_i2c,
1672 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1673 						    &hpd);
1674 
1675 			/* VGA - primary dac */
1676 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1677 			hpd.hpd = RADEON_HPD_NONE;
1678 			radeon_add_legacy_encoder(dev,
1679 						  radeon_get_encoder_enum(dev,
1680 									ATOM_DEVICE_CRT1_SUPPORT,
1681 									1),
1682 						  ATOM_DEVICE_CRT1_SUPPORT);
1683 			radeon_add_legacy_connector(dev, 1,
1684 						    ATOM_DEVICE_CRT1_SUPPORT,
1685 						    DRM_MODE_CONNECTOR_VGA,
1686 						    &ddc_i2c,
1687 						    CONNECTOR_OBJECT_ID_VGA,
1688 						    &hpd);
1689 		}
1690 
1691 		if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1692 			/* TV - tv dac */
1693 			ddc_i2c.valid = false;
1694 			hpd.hpd = RADEON_HPD_NONE;
1695 			radeon_add_legacy_encoder(dev,
1696 						  radeon_get_encoder_enum(dev,
1697 									ATOM_DEVICE_TV1_SUPPORT,
1698 									2),
1699 						  ATOM_DEVICE_TV1_SUPPORT);
1700 			radeon_add_legacy_connector(dev, 2,
1701 						    ATOM_DEVICE_TV1_SUPPORT,
1702 						    DRM_MODE_CONNECTOR_SVIDEO,
1703 						    &ddc_i2c,
1704 						    CONNECTOR_OBJECT_ID_SVIDEO,
1705 						    &hpd);
1706 		}
1707 		break;
1708 	case CT_IBOOK:
1709 		DRM_INFO("Connector Table: %d (ibook)\n",
1710 			 rdev->mode_info.connector_table);
1711 		/* LVDS */
1712 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1713 		hpd.hpd = RADEON_HPD_NONE;
1714 		radeon_add_legacy_encoder(dev,
1715 					  radeon_get_encoder_enum(dev,
1716 								ATOM_DEVICE_LCD1_SUPPORT,
1717 								0),
1718 					  ATOM_DEVICE_LCD1_SUPPORT);
1719 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1720 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1721 					    CONNECTOR_OBJECT_ID_LVDS,
1722 					    &hpd);
1723 		/* VGA - TV DAC */
1724 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1725 		hpd.hpd = RADEON_HPD_NONE;
1726 		radeon_add_legacy_encoder(dev,
1727 					  radeon_get_encoder_enum(dev,
1728 								ATOM_DEVICE_CRT2_SUPPORT,
1729 								2),
1730 					  ATOM_DEVICE_CRT2_SUPPORT);
1731 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1732 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1733 					    CONNECTOR_OBJECT_ID_VGA,
1734 					    &hpd);
1735 		/* TV - TV DAC */
1736 		ddc_i2c.valid = false;
1737 		hpd.hpd = RADEON_HPD_NONE;
1738 		radeon_add_legacy_encoder(dev,
1739 					  radeon_get_encoder_enum(dev,
1740 								ATOM_DEVICE_TV1_SUPPORT,
1741 								2),
1742 					  ATOM_DEVICE_TV1_SUPPORT);
1743 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1744 					    DRM_MODE_CONNECTOR_SVIDEO,
1745 					    &ddc_i2c,
1746 					    CONNECTOR_OBJECT_ID_SVIDEO,
1747 					    &hpd);
1748 		break;
1749 	case CT_POWERBOOK_EXTERNAL:
1750 		DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
1751 			 rdev->mode_info.connector_table);
1752 		/* LVDS */
1753 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1754 		hpd.hpd = RADEON_HPD_NONE;
1755 		radeon_add_legacy_encoder(dev,
1756 					  radeon_get_encoder_enum(dev,
1757 								ATOM_DEVICE_LCD1_SUPPORT,
1758 								0),
1759 					  ATOM_DEVICE_LCD1_SUPPORT);
1760 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1761 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1762 					    CONNECTOR_OBJECT_ID_LVDS,
1763 					    &hpd);
1764 		/* DVI-I - primary dac, ext tmds */
1765 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1766 		hpd.hpd = RADEON_HPD_2; /* ??? */
1767 		radeon_add_legacy_encoder(dev,
1768 					  radeon_get_encoder_enum(dev,
1769 								ATOM_DEVICE_DFP2_SUPPORT,
1770 								0),
1771 					  ATOM_DEVICE_DFP2_SUPPORT);
1772 		radeon_add_legacy_encoder(dev,
1773 					  radeon_get_encoder_enum(dev,
1774 								ATOM_DEVICE_CRT1_SUPPORT,
1775 								1),
1776 					  ATOM_DEVICE_CRT1_SUPPORT);
1777 		/* XXX some are SL */
1778 		radeon_add_legacy_connector(dev, 1,
1779 					    ATOM_DEVICE_DFP2_SUPPORT |
1780 					    ATOM_DEVICE_CRT1_SUPPORT,
1781 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1782 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
1783 					    &hpd);
1784 		/* TV - TV DAC */
1785 		ddc_i2c.valid = false;
1786 		hpd.hpd = RADEON_HPD_NONE;
1787 		radeon_add_legacy_encoder(dev,
1788 					  radeon_get_encoder_enum(dev,
1789 								ATOM_DEVICE_TV1_SUPPORT,
1790 								2),
1791 					  ATOM_DEVICE_TV1_SUPPORT);
1792 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1793 					    DRM_MODE_CONNECTOR_SVIDEO,
1794 					    &ddc_i2c,
1795 					    CONNECTOR_OBJECT_ID_SVIDEO,
1796 					    &hpd);
1797 		break;
1798 	case CT_POWERBOOK_INTERNAL:
1799 		DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
1800 			 rdev->mode_info.connector_table);
1801 		/* LVDS */
1802 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1803 		hpd.hpd = RADEON_HPD_NONE;
1804 		radeon_add_legacy_encoder(dev,
1805 					  radeon_get_encoder_enum(dev,
1806 								ATOM_DEVICE_LCD1_SUPPORT,
1807 								0),
1808 					  ATOM_DEVICE_LCD1_SUPPORT);
1809 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1810 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1811 					    CONNECTOR_OBJECT_ID_LVDS,
1812 					    &hpd);
1813 		/* DVI-I - primary dac, int tmds */
1814 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1815 		hpd.hpd = RADEON_HPD_1; /* ??? */
1816 		radeon_add_legacy_encoder(dev,
1817 					  radeon_get_encoder_enum(dev,
1818 								ATOM_DEVICE_DFP1_SUPPORT,
1819 								0),
1820 					  ATOM_DEVICE_DFP1_SUPPORT);
1821 		radeon_add_legacy_encoder(dev,
1822 					  radeon_get_encoder_enum(dev,
1823 								ATOM_DEVICE_CRT1_SUPPORT,
1824 								1),
1825 					  ATOM_DEVICE_CRT1_SUPPORT);
1826 		radeon_add_legacy_connector(dev, 1,
1827 					    ATOM_DEVICE_DFP1_SUPPORT |
1828 					    ATOM_DEVICE_CRT1_SUPPORT,
1829 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1830 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1831 					    &hpd);
1832 		/* TV - TV DAC */
1833 		ddc_i2c.valid = false;
1834 		hpd.hpd = RADEON_HPD_NONE;
1835 		radeon_add_legacy_encoder(dev,
1836 					  radeon_get_encoder_enum(dev,
1837 								ATOM_DEVICE_TV1_SUPPORT,
1838 								2),
1839 					  ATOM_DEVICE_TV1_SUPPORT);
1840 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1841 					    DRM_MODE_CONNECTOR_SVIDEO,
1842 					    &ddc_i2c,
1843 					    CONNECTOR_OBJECT_ID_SVIDEO,
1844 					    &hpd);
1845 		break;
1846 	case CT_POWERBOOK_VGA:
1847 		DRM_INFO("Connector Table: %d (powerbook vga)\n",
1848 			 rdev->mode_info.connector_table);
1849 		/* LVDS */
1850 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1851 		hpd.hpd = RADEON_HPD_NONE;
1852 		radeon_add_legacy_encoder(dev,
1853 					  radeon_get_encoder_enum(dev,
1854 								ATOM_DEVICE_LCD1_SUPPORT,
1855 								0),
1856 					  ATOM_DEVICE_LCD1_SUPPORT);
1857 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1858 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1859 					    CONNECTOR_OBJECT_ID_LVDS,
1860 					    &hpd);
1861 		/* VGA - primary dac */
1862 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1863 		hpd.hpd = RADEON_HPD_NONE;
1864 		radeon_add_legacy_encoder(dev,
1865 					  radeon_get_encoder_enum(dev,
1866 								ATOM_DEVICE_CRT1_SUPPORT,
1867 								1),
1868 					  ATOM_DEVICE_CRT1_SUPPORT);
1869 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
1870 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1871 					    CONNECTOR_OBJECT_ID_VGA,
1872 					    &hpd);
1873 		/* TV - TV DAC */
1874 		ddc_i2c.valid = false;
1875 		hpd.hpd = RADEON_HPD_NONE;
1876 		radeon_add_legacy_encoder(dev,
1877 					  radeon_get_encoder_enum(dev,
1878 								ATOM_DEVICE_TV1_SUPPORT,
1879 								2),
1880 					  ATOM_DEVICE_TV1_SUPPORT);
1881 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1882 					    DRM_MODE_CONNECTOR_SVIDEO,
1883 					    &ddc_i2c,
1884 					    CONNECTOR_OBJECT_ID_SVIDEO,
1885 					    &hpd);
1886 		break;
1887 	case CT_MINI_EXTERNAL:
1888 		DRM_INFO("Connector Table: %d (mini external tmds)\n",
1889 			 rdev->mode_info.connector_table);
1890 		/* DVI-I - tv dac, ext tmds */
1891 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1892 		hpd.hpd = RADEON_HPD_2; /* ??? */
1893 		radeon_add_legacy_encoder(dev,
1894 					  radeon_get_encoder_enum(dev,
1895 								ATOM_DEVICE_DFP2_SUPPORT,
1896 								0),
1897 					  ATOM_DEVICE_DFP2_SUPPORT);
1898 		radeon_add_legacy_encoder(dev,
1899 					  radeon_get_encoder_enum(dev,
1900 								ATOM_DEVICE_CRT2_SUPPORT,
1901 								2),
1902 					  ATOM_DEVICE_CRT2_SUPPORT);
1903 		/* XXX are any DL? */
1904 		radeon_add_legacy_connector(dev, 0,
1905 					    ATOM_DEVICE_DFP2_SUPPORT |
1906 					    ATOM_DEVICE_CRT2_SUPPORT,
1907 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1908 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1909 					    &hpd);
1910 		/* TV - TV DAC */
1911 		ddc_i2c.valid = false;
1912 		hpd.hpd = RADEON_HPD_NONE;
1913 		radeon_add_legacy_encoder(dev,
1914 					  radeon_get_encoder_enum(dev,
1915 								ATOM_DEVICE_TV1_SUPPORT,
1916 								2),
1917 					  ATOM_DEVICE_TV1_SUPPORT);
1918 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1919 					    DRM_MODE_CONNECTOR_SVIDEO,
1920 					    &ddc_i2c,
1921 					    CONNECTOR_OBJECT_ID_SVIDEO,
1922 					    &hpd);
1923 		break;
1924 	case CT_MINI_INTERNAL:
1925 		DRM_INFO("Connector Table: %d (mini internal tmds)\n",
1926 			 rdev->mode_info.connector_table);
1927 		/* DVI-I - tv dac, int tmds */
1928 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1929 		hpd.hpd = RADEON_HPD_1; /* ??? */
1930 		radeon_add_legacy_encoder(dev,
1931 					  radeon_get_encoder_enum(dev,
1932 								ATOM_DEVICE_DFP1_SUPPORT,
1933 								0),
1934 					  ATOM_DEVICE_DFP1_SUPPORT);
1935 		radeon_add_legacy_encoder(dev,
1936 					  radeon_get_encoder_enum(dev,
1937 								ATOM_DEVICE_CRT2_SUPPORT,
1938 								2),
1939 					  ATOM_DEVICE_CRT2_SUPPORT);
1940 		radeon_add_legacy_connector(dev, 0,
1941 					    ATOM_DEVICE_DFP1_SUPPORT |
1942 					    ATOM_DEVICE_CRT2_SUPPORT,
1943 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1944 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1945 					    &hpd);
1946 		/* TV - TV DAC */
1947 		ddc_i2c.valid = false;
1948 		hpd.hpd = RADEON_HPD_NONE;
1949 		radeon_add_legacy_encoder(dev,
1950 					  radeon_get_encoder_enum(dev,
1951 								ATOM_DEVICE_TV1_SUPPORT,
1952 								2),
1953 					  ATOM_DEVICE_TV1_SUPPORT);
1954 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1955 					    DRM_MODE_CONNECTOR_SVIDEO,
1956 					    &ddc_i2c,
1957 					    CONNECTOR_OBJECT_ID_SVIDEO,
1958 					    &hpd);
1959 		break;
1960 	case CT_IMAC_G5_ISIGHT:
1961 		DRM_INFO("Connector Table: %d (imac g5 isight)\n",
1962 			 rdev->mode_info.connector_table);
1963 		/* DVI-D - int tmds */
1964 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1965 		hpd.hpd = RADEON_HPD_1; /* ??? */
1966 		radeon_add_legacy_encoder(dev,
1967 					  radeon_get_encoder_enum(dev,
1968 								ATOM_DEVICE_DFP1_SUPPORT,
1969 								0),
1970 					  ATOM_DEVICE_DFP1_SUPPORT);
1971 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
1972 					    DRM_MODE_CONNECTOR_DVID, &ddc_i2c,
1973 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
1974 					    &hpd);
1975 		/* VGA - tv dac */
1976 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1977 		hpd.hpd = RADEON_HPD_NONE;
1978 		radeon_add_legacy_encoder(dev,
1979 					  radeon_get_encoder_enum(dev,
1980 								ATOM_DEVICE_CRT2_SUPPORT,
1981 								2),
1982 					  ATOM_DEVICE_CRT2_SUPPORT);
1983 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1984 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1985 					    CONNECTOR_OBJECT_ID_VGA,
1986 					    &hpd);
1987 		/* TV - TV DAC */
1988 		ddc_i2c.valid = false;
1989 		hpd.hpd = RADEON_HPD_NONE;
1990 		radeon_add_legacy_encoder(dev,
1991 					  radeon_get_encoder_enum(dev,
1992 								ATOM_DEVICE_TV1_SUPPORT,
1993 								2),
1994 					  ATOM_DEVICE_TV1_SUPPORT);
1995 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1996 					    DRM_MODE_CONNECTOR_SVIDEO,
1997 					    &ddc_i2c,
1998 					    CONNECTOR_OBJECT_ID_SVIDEO,
1999 					    &hpd);
2000 		break;
2001 	case CT_EMAC:
2002 		DRM_INFO("Connector Table: %d (emac)\n",
2003 			 rdev->mode_info.connector_table);
2004 		/* VGA - primary dac */
2005 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2006 		hpd.hpd = RADEON_HPD_NONE;
2007 		radeon_add_legacy_encoder(dev,
2008 					  radeon_get_encoder_enum(dev,
2009 								ATOM_DEVICE_CRT1_SUPPORT,
2010 								1),
2011 					  ATOM_DEVICE_CRT1_SUPPORT);
2012 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
2013 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2014 					    CONNECTOR_OBJECT_ID_VGA,
2015 					    &hpd);
2016 		/* VGA - tv dac */
2017 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
2018 		hpd.hpd = RADEON_HPD_NONE;
2019 		radeon_add_legacy_encoder(dev,
2020 					  radeon_get_encoder_enum(dev,
2021 								ATOM_DEVICE_CRT2_SUPPORT,
2022 								2),
2023 					  ATOM_DEVICE_CRT2_SUPPORT);
2024 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
2025 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2026 					    CONNECTOR_OBJECT_ID_VGA,
2027 					    &hpd);
2028 		/* TV - TV DAC */
2029 		ddc_i2c.valid = false;
2030 		hpd.hpd = RADEON_HPD_NONE;
2031 		radeon_add_legacy_encoder(dev,
2032 					  radeon_get_encoder_enum(dev,
2033 								ATOM_DEVICE_TV1_SUPPORT,
2034 								2),
2035 					  ATOM_DEVICE_TV1_SUPPORT);
2036 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2037 					    DRM_MODE_CONNECTOR_SVIDEO,
2038 					    &ddc_i2c,
2039 					    CONNECTOR_OBJECT_ID_SVIDEO,
2040 					    &hpd);
2041 		break;
2042 	case CT_RN50_POWER:
2043 		DRM_INFO("Connector Table: %d (rn50-power)\n",
2044 			 rdev->mode_info.connector_table);
2045 		/* VGA - primary dac */
2046 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2047 		hpd.hpd = RADEON_HPD_NONE;
2048 		radeon_add_legacy_encoder(dev,
2049 					  radeon_get_encoder_enum(dev,
2050 								ATOM_DEVICE_CRT1_SUPPORT,
2051 								1),
2052 					  ATOM_DEVICE_CRT1_SUPPORT);
2053 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
2054 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2055 					    CONNECTOR_OBJECT_ID_VGA,
2056 					    &hpd);
2057 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
2058 		hpd.hpd = RADEON_HPD_NONE;
2059 		radeon_add_legacy_encoder(dev,
2060 					  radeon_get_encoder_enum(dev,
2061 								ATOM_DEVICE_CRT2_SUPPORT,
2062 								2),
2063 					  ATOM_DEVICE_CRT2_SUPPORT);
2064 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
2065 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2066 					    CONNECTOR_OBJECT_ID_VGA,
2067 					    &hpd);
2068 		break;
2069 	case CT_MAC_X800:
2070 		DRM_INFO("Connector Table: %d (mac x800)\n",
2071 			 rdev->mode_info.connector_table);
2072 		/* DVI - primary dac, internal tmds */
2073 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2074 		hpd.hpd = RADEON_HPD_1; /* ??? */
2075 		radeon_add_legacy_encoder(dev,
2076 					  radeon_get_encoder_enum(dev,
2077 								  ATOM_DEVICE_DFP1_SUPPORT,
2078 								  0),
2079 					  ATOM_DEVICE_DFP1_SUPPORT);
2080 		radeon_add_legacy_encoder(dev,
2081 					  radeon_get_encoder_enum(dev,
2082 								  ATOM_DEVICE_CRT1_SUPPORT,
2083 								  1),
2084 					  ATOM_DEVICE_CRT1_SUPPORT);
2085 		radeon_add_legacy_connector(dev, 0,
2086 					    ATOM_DEVICE_DFP1_SUPPORT |
2087 					    ATOM_DEVICE_CRT1_SUPPORT,
2088 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2089 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2090 					    &hpd);
2091 		/* DVI - tv dac, dvo */
2092 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2093 		hpd.hpd = RADEON_HPD_2; /* ??? */
2094 		radeon_add_legacy_encoder(dev,
2095 					  radeon_get_encoder_enum(dev,
2096 								  ATOM_DEVICE_DFP2_SUPPORT,
2097 								  0),
2098 					  ATOM_DEVICE_DFP2_SUPPORT);
2099 		radeon_add_legacy_encoder(dev,
2100 					  radeon_get_encoder_enum(dev,
2101 								  ATOM_DEVICE_CRT2_SUPPORT,
2102 								  2),
2103 					  ATOM_DEVICE_CRT2_SUPPORT);
2104 		radeon_add_legacy_connector(dev, 1,
2105 					    ATOM_DEVICE_DFP2_SUPPORT |
2106 					    ATOM_DEVICE_CRT2_SUPPORT,
2107 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2108 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
2109 					    &hpd);
2110 		break;
2111 	case CT_MAC_G5_9600:
2112 		DRM_INFO("Connector Table: %d (mac g5 9600)\n",
2113 			 rdev->mode_info.connector_table);
2114 		/* DVI - tv dac, dvo */
2115 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2116 		hpd.hpd = RADEON_HPD_1; /* ??? */
2117 		radeon_add_legacy_encoder(dev,
2118 					  radeon_get_encoder_enum(dev,
2119 								  ATOM_DEVICE_DFP2_SUPPORT,
2120 								  0),
2121 					  ATOM_DEVICE_DFP2_SUPPORT);
2122 		radeon_add_legacy_encoder(dev,
2123 					  radeon_get_encoder_enum(dev,
2124 								  ATOM_DEVICE_CRT2_SUPPORT,
2125 								  2),
2126 					  ATOM_DEVICE_CRT2_SUPPORT);
2127 		radeon_add_legacy_connector(dev, 0,
2128 					    ATOM_DEVICE_DFP2_SUPPORT |
2129 					    ATOM_DEVICE_CRT2_SUPPORT,
2130 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2131 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2132 					    &hpd);
2133 		/* ADC - primary dac, internal tmds */
2134 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2135 		hpd.hpd = RADEON_HPD_2; /* ??? */
2136 		radeon_add_legacy_encoder(dev,
2137 					  radeon_get_encoder_enum(dev,
2138 								  ATOM_DEVICE_DFP1_SUPPORT,
2139 								  0),
2140 					  ATOM_DEVICE_DFP1_SUPPORT);
2141 		radeon_add_legacy_encoder(dev,
2142 					  radeon_get_encoder_enum(dev,
2143 								  ATOM_DEVICE_CRT1_SUPPORT,
2144 								  1),
2145 					  ATOM_DEVICE_CRT1_SUPPORT);
2146 		radeon_add_legacy_connector(dev, 1,
2147 					    ATOM_DEVICE_DFP1_SUPPORT |
2148 					    ATOM_DEVICE_CRT1_SUPPORT,
2149 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2150 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2151 					    &hpd);
2152 		/* TV - TV DAC */
2153 		ddc_i2c.valid = false;
2154 		hpd.hpd = RADEON_HPD_NONE;
2155 		radeon_add_legacy_encoder(dev,
2156 					  radeon_get_encoder_enum(dev,
2157 								ATOM_DEVICE_TV1_SUPPORT,
2158 								2),
2159 					  ATOM_DEVICE_TV1_SUPPORT);
2160 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2161 					    DRM_MODE_CONNECTOR_SVIDEO,
2162 					    &ddc_i2c,
2163 					    CONNECTOR_OBJECT_ID_SVIDEO,
2164 					    &hpd);
2165 		break;
2166 	case CT_SAM440EP:
2167 		DRM_INFO("Connector Table: %d (SAM440ep embedded board)\n",
2168 			 rdev->mode_info.connector_table);
2169 		/* LVDS */
2170 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
2171 		hpd.hpd = RADEON_HPD_NONE;
2172 		radeon_add_legacy_encoder(dev,
2173 					  radeon_get_encoder_enum(dev,
2174 								ATOM_DEVICE_LCD1_SUPPORT,
2175 								0),
2176 					  ATOM_DEVICE_LCD1_SUPPORT);
2177 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
2178 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
2179 					    CONNECTOR_OBJECT_ID_LVDS,
2180 					    &hpd);
2181 		/* DVI-I - secondary dac, int tmds */
2182 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2183 		hpd.hpd = RADEON_HPD_1; /* ??? */
2184 		radeon_add_legacy_encoder(dev,
2185 					  radeon_get_encoder_enum(dev,
2186 								ATOM_DEVICE_DFP1_SUPPORT,
2187 								0),
2188 					  ATOM_DEVICE_DFP1_SUPPORT);
2189 		radeon_add_legacy_encoder(dev,
2190 					  radeon_get_encoder_enum(dev,
2191 								ATOM_DEVICE_CRT2_SUPPORT,
2192 								2),
2193 					  ATOM_DEVICE_CRT2_SUPPORT);
2194 		radeon_add_legacy_connector(dev, 1,
2195 					    ATOM_DEVICE_DFP1_SUPPORT |
2196 					    ATOM_DEVICE_CRT2_SUPPORT,
2197 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2198 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2199 					    &hpd);
2200 		/* VGA - primary dac */
2201 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2202 		hpd.hpd = RADEON_HPD_NONE;
2203 		radeon_add_legacy_encoder(dev,
2204 					  radeon_get_encoder_enum(dev,
2205 								ATOM_DEVICE_CRT1_SUPPORT,
2206 								1),
2207 					  ATOM_DEVICE_CRT1_SUPPORT);
2208 		radeon_add_legacy_connector(dev, 2,
2209 					    ATOM_DEVICE_CRT1_SUPPORT,
2210 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2211 					    CONNECTOR_OBJECT_ID_VGA,
2212 					    &hpd);
2213 		/* TV - TV DAC */
2214 		ddc_i2c.valid = false;
2215 		hpd.hpd = RADEON_HPD_NONE;
2216 		radeon_add_legacy_encoder(dev,
2217 					  radeon_get_encoder_enum(dev,
2218 								ATOM_DEVICE_TV1_SUPPORT,
2219 								2),
2220 					  ATOM_DEVICE_TV1_SUPPORT);
2221 		radeon_add_legacy_connector(dev, 3, ATOM_DEVICE_TV1_SUPPORT,
2222 					    DRM_MODE_CONNECTOR_SVIDEO,
2223 					    &ddc_i2c,
2224 					    CONNECTOR_OBJECT_ID_SVIDEO,
2225 					    &hpd);
2226 		break;
2227 	case CT_MAC_G4_SILVER:
2228 		DRM_INFO("Connector Table: %d (mac g4 silver)\n",
2229 			 rdev->mode_info.connector_table);
2230 		/* DVI-I - tv dac, int tmds */
2231 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2232 		hpd.hpd = RADEON_HPD_1; /* ??? */
2233 		radeon_add_legacy_encoder(dev,
2234 					  radeon_get_encoder_enum(dev,
2235 								ATOM_DEVICE_DFP1_SUPPORT,
2236 								0),
2237 					  ATOM_DEVICE_DFP1_SUPPORT);
2238 		radeon_add_legacy_encoder(dev,
2239 					  radeon_get_encoder_enum(dev,
2240 								ATOM_DEVICE_CRT2_SUPPORT,
2241 								2),
2242 					  ATOM_DEVICE_CRT2_SUPPORT);
2243 		radeon_add_legacy_connector(dev, 0,
2244 					    ATOM_DEVICE_DFP1_SUPPORT |
2245 					    ATOM_DEVICE_CRT2_SUPPORT,
2246 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2247 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2248 					    &hpd);
2249 		/* VGA - primary dac */
2250 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2251 		hpd.hpd = RADEON_HPD_NONE;
2252 		radeon_add_legacy_encoder(dev,
2253 					  radeon_get_encoder_enum(dev,
2254 								ATOM_DEVICE_CRT1_SUPPORT,
2255 								1),
2256 					  ATOM_DEVICE_CRT1_SUPPORT);
2257 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
2258 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2259 					    CONNECTOR_OBJECT_ID_VGA,
2260 					    &hpd);
2261 		/* TV - TV DAC */
2262 		ddc_i2c.valid = false;
2263 		hpd.hpd = RADEON_HPD_NONE;
2264 		radeon_add_legacy_encoder(dev,
2265 					  radeon_get_encoder_enum(dev,
2266 								ATOM_DEVICE_TV1_SUPPORT,
2267 								2),
2268 					  ATOM_DEVICE_TV1_SUPPORT);
2269 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2270 					    DRM_MODE_CONNECTOR_SVIDEO,
2271 					    &ddc_i2c,
2272 					    CONNECTOR_OBJECT_ID_SVIDEO,
2273 					    &hpd);
2274 		break;
2275 	default:
2276 		DRM_INFO("Connector table: %d (invalid)\n",
2277 			 rdev->mode_info.connector_table);
2278 		return false;
2279 	}
2280 
2281 	radeon_link_encoder_connector(dev);
2282 
2283 	return true;
2284 }
2285 
radeon_apply_legacy_quirks(struct drm_device * dev,int bios_index,enum radeon_combios_connector * legacy_connector,struct radeon_i2c_bus_rec * ddc_i2c,struct radeon_hpd * hpd)2286 static bool radeon_apply_legacy_quirks(struct drm_device *dev,
2287 				       int bios_index,
2288 				       enum radeon_combios_connector
2289 				       *legacy_connector,
2290 				       struct radeon_i2c_bus_rec *ddc_i2c,
2291 				       struct radeon_hpd *hpd)
2292 {
2293 
2294 	/* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
2295 	   one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
2296 	if (dev->pdev->device == 0x515e &&
2297 	    dev->pdev->subsystem_vendor == 0x1014) {
2298 		if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
2299 		    ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
2300 			return false;
2301 	}
2302 
2303 	/* X300 card with extra non-existent DVI port */
2304 	if (dev->pdev->device == 0x5B60 &&
2305 	    dev->pdev->subsystem_vendor == 0x17af &&
2306 	    dev->pdev->subsystem_device == 0x201e && bios_index == 2) {
2307 		if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
2308 			return false;
2309 	}
2310 
2311 	return true;
2312 }
2313 
radeon_apply_legacy_tv_quirks(struct drm_device * dev)2314 static bool radeon_apply_legacy_tv_quirks(struct drm_device *dev)
2315 {
2316 	/* Acer 5102 has non-existent TV port */
2317 	if (dev->pdev->device == 0x5975 &&
2318 	    dev->pdev->subsystem_vendor == 0x1025 &&
2319 	    dev->pdev->subsystem_device == 0x009f)
2320 		return false;
2321 
2322 	/* HP dc5750 has non-existent TV port */
2323 	if (dev->pdev->device == 0x5974 &&
2324 	    dev->pdev->subsystem_vendor == 0x103c &&
2325 	    dev->pdev->subsystem_device == 0x280a)
2326 		return false;
2327 
2328 	/* MSI S270 has non-existent TV port */
2329 	if (dev->pdev->device == 0x5955 &&
2330 	    dev->pdev->subsystem_vendor == 0x1462 &&
2331 	    dev->pdev->subsystem_device == 0x0131)
2332 		return false;
2333 
2334 	return true;
2335 }
2336 
combios_check_dl_dvi(struct drm_device * dev,int is_dvi_d)2337 static uint16_t combios_check_dl_dvi(struct drm_device *dev, int is_dvi_d)
2338 {
2339 	struct radeon_device *rdev = dev->dev_private;
2340 	uint32_t ext_tmds_info;
2341 
2342 	if (rdev->flags & RADEON_IS_IGP) {
2343 		if (is_dvi_d)
2344 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2345 		else
2346 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2347 	}
2348 	ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2349 	if (ext_tmds_info) {
2350 		uint8_t rev = RBIOS8(ext_tmds_info);
2351 		uint8_t flags = RBIOS8(ext_tmds_info + 4 + 5);
2352 		if (rev >= 3) {
2353 			if (is_dvi_d)
2354 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2355 			else
2356 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2357 		} else {
2358 			if (flags & 1) {
2359 				if (is_dvi_d)
2360 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2361 				else
2362 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2363 			}
2364 		}
2365 	}
2366 	if (is_dvi_d)
2367 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2368 	else
2369 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2370 }
2371 
radeon_get_legacy_connector_info_from_bios(struct drm_device * dev)2372 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
2373 {
2374 	struct radeon_device *rdev = dev->dev_private;
2375 	uint32_t conn_info, entry, devices;
2376 	uint16_t tmp, connector_object_id;
2377 	enum radeon_combios_ddc ddc_type;
2378 	enum radeon_combios_connector connector;
2379 	int i = 0;
2380 	struct radeon_i2c_bus_rec ddc_i2c;
2381 	struct radeon_hpd hpd;
2382 
2383 	conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
2384 	if (conn_info) {
2385 		for (i = 0; i < 4; i++) {
2386 			entry = conn_info + 2 + i * 2;
2387 
2388 			if (!RBIOS16(entry))
2389 				break;
2390 
2391 			tmp = RBIOS16(entry);
2392 
2393 			connector = (tmp >> 12) & 0xf;
2394 
2395 			ddc_type = (tmp >> 8) & 0xf;
2396 			if (ddc_type == 5)
2397 				ddc_i2c = radeon_combios_get_i2c_info_from_table(rdev);
2398 			else
2399 				ddc_i2c = combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2400 
2401 			switch (connector) {
2402 			case CONNECTOR_PROPRIETARY_LEGACY:
2403 			case CONNECTOR_DVI_I_LEGACY:
2404 			case CONNECTOR_DVI_D_LEGACY:
2405 				if ((tmp >> 4) & 0x1)
2406 					hpd.hpd = RADEON_HPD_2;
2407 				else
2408 					hpd.hpd = RADEON_HPD_1;
2409 				break;
2410 			default:
2411 				hpd.hpd = RADEON_HPD_NONE;
2412 				break;
2413 			}
2414 
2415 			if (!radeon_apply_legacy_quirks(dev, i, &connector,
2416 							&ddc_i2c, &hpd))
2417 				continue;
2418 
2419 			switch (connector) {
2420 			case CONNECTOR_PROPRIETARY_LEGACY:
2421 				if ((tmp >> 4) & 0x1)
2422 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2423 				else
2424 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2425 				radeon_add_legacy_encoder(dev,
2426 							  radeon_get_encoder_enum
2427 							  (dev, devices, 0),
2428 							  devices);
2429 				radeon_add_legacy_connector(dev, i, devices,
2430 							    legacy_connector_convert
2431 							    [connector],
2432 							    &ddc_i2c,
2433 							    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
2434 							    &hpd);
2435 				break;
2436 			case CONNECTOR_CRT_LEGACY:
2437 				if (tmp & 0x1) {
2438 					devices = ATOM_DEVICE_CRT2_SUPPORT;
2439 					radeon_add_legacy_encoder(dev,
2440 								  radeon_get_encoder_enum
2441 								  (dev,
2442 								   ATOM_DEVICE_CRT2_SUPPORT,
2443 								   2),
2444 								  ATOM_DEVICE_CRT2_SUPPORT);
2445 				} else {
2446 					devices = ATOM_DEVICE_CRT1_SUPPORT;
2447 					radeon_add_legacy_encoder(dev,
2448 								  radeon_get_encoder_enum
2449 								  (dev,
2450 								   ATOM_DEVICE_CRT1_SUPPORT,
2451 								   1),
2452 								  ATOM_DEVICE_CRT1_SUPPORT);
2453 				}
2454 				radeon_add_legacy_connector(dev,
2455 							    i,
2456 							    devices,
2457 							    legacy_connector_convert
2458 							    [connector],
2459 							    &ddc_i2c,
2460 							    CONNECTOR_OBJECT_ID_VGA,
2461 							    &hpd);
2462 				break;
2463 			case CONNECTOR_DVI_I_LEGACY:
2464 				devices = 0;
2465 				if (tmp & 0x1) {
2466 					devices |= ATOM_DEVICE_CRT2_SUPPORT;
2467 					radeon_add_legacy_encoder(dev,
2468 								  radeon_get_encoder_enum
2469 								  (dev,
2470 								   ATOM_DEVICE_CRT2_SUPPORT,
2471 								   2),
2472 								  ATOM_DEVICE_CRT2_SUPPORT);
2473 				} else {
2474 					devices |= ATOM_DEVICE_CRT1_SUPPORT;
2475 					radeon_add_legacy_encoder(dev,
2476 								  radeon_get_encoder_enum
2477 								  (dev,
2478 								   ATOM_DEVICE_CRT1_SUPPORT,
2479 								   1),
2480 								  ATOM_DEVICE_CRT1_SUPPORT);
2481 				}
2482 				/* RV100 board with external TDMS bit mis-set.
2483 				 * Actually uses internal TMDS, clear the bit.
2484 				 */
2485 				if (dev->pdev->device == 0x5159 &&
2486 				    dev->pdev->subsystem_vendor == 0x1014 &&
2487 				    dev->pdev->subsystem_device == 0x029A) {
2488 					tmp &= ~(1 << 4);
2489 				}
2490 				if ((tmp >> 4) & 0x1) {
2491 					devices |= ATOM_DEVICE_DFP2_SUPPORT;
2492 					radeon_add_legacy_encoder(dev,
2493 								  radeon_get_encoder_enum
2494 								  (dev,
2495 								   ATOM_DEVICE_DFP2_SUPPORT,
2496 								   0),
2497 								  ATOM_DEVICE_DFP2_SUPPORT);
2498 					connector_object_id = combios_check_dl_dvi(dev, 0);
2499 				} else {
2500 					devices |= ATOM_DEVICE_DFP1_SUPPORT;
2501 					radeon_add_legacy_encoder(dev,
2502 								  radeon_get_encoder_enum
2503 								  (dev,
2504 								   ATOM_DEVICE_DFP1_SUPPORT,
2505 								   0),
2506 								  ATOM_DEVICE_DFP1_SUPPORT);
2507 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2508 				}
2509 				radeon_add_legacy_connector(dev,
2510 							    i,
2511 							    devices,
2512 							    legacy_connector_convert
2513 							    [connector],
2514 							    &ddc_i2c,
2515 							    connector_object_id,
2516 							    &hpd);
2517 				break;
2518 			case CONNECTOR_DVI_D_LEGACY:
2519 				if ((tmp >> 4) & 0x1) {
2520 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2521 					connector_object_id = combios_check_dl_dvi(dev, 1);
2522 				} else {
2523 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2524 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2525 				}
2526 				radeon_add_legacy_encoder(dev,
2527 							  radeon_get_encoder_enum
2528 							  (dev, devices, 0),
2529 							  devices);
2530 				radeon_add_legacy_connector(dev, i, devices,
2531 							    legacy_connector_convert
2532 							    [connector],
2533 							    &ddc_i2c,
2534 							    connector_object_id,
2535 							    &hpd);
2536 				break;
2537 			case CONNECTOR_CTV_LEGACY:
2538 			case CONNECTOR_STV_LEGACY:
2539 				radeon_add_legacy_encoder(dev,
2540 							  radeon_get_encoder_enum
2541 							  (dev,
2542 							   ATOM_DEVICE_TV1_SUPPORT,
2543 							   2),
2544 							  ATOM_DEVICE_TV1_SUPPORT);
2545 				radeon_add_legacy_connector(dev, i,
2546 							    ATOM_DEVICE_TV1_SUPPORT,
2547 							    legacy_connector_convert
2548 							    [connector],
2549 							    &ddc_i2c,
2550 							    CONNECTOR_OBJECT_ID_SVIDEO,
2551 							    &hpd);
2552 				break;
2553 			default:
2554 				DRM_ERROR("Unknown connector type: %d\n",
2555 					  connector);
2556 				continue;
2557 			}
2558 
2559 		}
2560 	} else {
2561 		uint16_t tmds_info =
2562 		    combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
2563 		if (tmds_info) {
2564 			DRM_DEBUG_KMS("Found DFP table, assuming DVI connector\n");
2565 
2566 			radeon_add_legacy_encoder(dev,
2567 						  radeon_get_encoder_enum(dev,
2568 									ATOM_DEVICE_CRT1_SUPPORT,
2569 									1),
2570 						  ATOM_DEVICE_CRT1_SUPPORT);
2571 			radeon_add_legacy_encoder(dev,
2572 						  radeon_get_encoder_enum(dev,
2573 									ATOM_DEVICE_DFP1_SUPPORT,
2574 									0),
2575 						  ATOM_DEVICE_DFP1_SUPPORT);
2576 
2577 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2578 			hpd.hpd = RADEON_HPD_1;
2579 			radeon_add_legacy_connector(dev,
2580 						    0,
2581 						    ATOM_DEVICE_CRT1_SUPPORT |
2582 						    ATOM_DEVICE_DFP1_SUPPORT,
2583 						    DRM_MODE_CONNECTOR_DVII,
2584 						    &ddc_i2c,
2585 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2586 						    &hpd);
2587 		} else {
2588 			uint16_t crt_info =
2589 				combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
2590 			DRM_DEBUG_KMS("Found CRT table, assuming VGA connector\n");
2591 			if (crt_info) {
2592 				radeon_add_legacy_encoder(dev,
2593 							  radeon_get_encoder_enum(dev,
2594 										ATOM_DEVICE_CRT1_SUPPORT,
2595 										1),
2596 							  ATOM_DEVICE_CRT1_SUPPORT);
2597 				ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2598 				hpd.hpd = RADEON_HPD_NONE;
2599 				radeon_add_legacy_connector(dev,
2600 							    0,
2601 							    ATOM_DEVICE_CRT1_SUPPORT,
2602 							    DRM_MODE_CONNECTOR_VGA,
2603 							    &ddc_i2c,
2604 							    CONNECTOR_OBJECT_ID_VGA,
2605 							    &hpd);
2606 			} else {
2607 				DRM_DEBUG_KMS("No connector info found\n");
2608 				return false;
2609 			}
2610 		}
2611 	}
2612 
2613 	if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
2614 		uint16_t lcd_info =
2615 		    combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
2616 		if (lcd_info) {
2617 			uint16_t lcd_ddc_info =
2618 			    combios_get_table_offset(dev,
2619 						     COMBIOS_LCD_DDC_INFO_TABLE);
2620 
2621 			radeon_add_legacy_encoder(dev,
2622 						  radeon_get_encoder_enum(dev,
2623 									ATOM_DEVICE_LCD1_SUPPORT,
2624 									0),
2625 						  ATOM_DEVICE_LCD1_SUPPORT);
2626 
2627 			if (lcd_ddc_info) {
2628 				ddc_type = RBIOS8(lcd_ddc_info + 2);
2629 				switch (ddc_type) {
2630 				case DDC_LCD:
2631 					ddc_i2c =
2632 						combios_setup_i2c_bus(rdev,
2633 								      DDC_LCD,
2634 								      RBIOS32(lcd_ddc_info + 3),
2635 								      RBIOS32(lcd_ddc_info + 7));
2636 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2637 					break;
2638 				case DDC_GPIO:
2639 					ddc_i2c =
2640 						combios_setup_i2c_bus(rdev,
2641 								      DDC_GPIO,
2642 								      RBIOS32(lcd_ddc_info + 3),
2643 								      RBIOS32(lcd_ddc_info + 7));
2644 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2645 					break;
2646 				default:
2647 					ddc_i2c =
2648 						combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2649 					break;
2650 				}
2651 				DRM_DEBUG_KMS("LCD DDC Info Table found!\n");
2652 			} else
2653 				ddc_i2c.valid = false;
2654 
2655 			hpd.hpd = RADEON_HPD_NONE;
2656 			radeon_add_legacy_connector(dev,
2657 						    5,
2658 						    ATOM_DEVICE_LCD1_SUPPORT,
2659 						    DRM_MODE_CONNECTOR_LVDS,
2660 						    &ddc_i2c,
2661 						    CONNECTOR_OBJECT_ID_LVDS,
2662 						    &hpd);
2663 		}
2664 	}
2665 
2666 	/* check TV table */
2667 	if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
2668 		uint32_t tv_info =
2669 		    combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
2670 		if (tv_info) {
2671 			if (RBIOS8(tv_info + 6) == 'T') {
2672 				if (radeon_apply_legacy_tv_quirks(dev)) {
2673 					hpd.hpd = RADEON_HPD_NONE;
2674 					ddc_i2c.valid = false;
2675 					radeon_add_legacy_encoder(dev,
2676 								  radeon_get_encoder_enum
2677 								  (dev,
2678 								   ATOM_DEVICE_TV1_SUPPORT,
2679 								   2),
2680 								  ATOM_DEVICE_TV1_SUPPORT);
2681 					radeon_add_legacy_connector(dev, 6,
2682 								    ATOM_DEVICE_TV1_SUPPORT,
2683 								    DRM_MODE_CONNECTOR_SVIDEO,
2684 								    &ddc_i2c,
2685 								    CONNECTOR_OBJECT_ID_SVIDEO,
2686 								    &hpd);
2687 				}
2688 			}
2689 		}
2690 	}
2691 
2692 	radeon_link_encoder_connector(dev);
2693 
2694 	return true;
2695 }
2696 
2697 static const char *thermal_controller_names[] = {
2698 	"NONE",
2699 	"lm63",
2700 	"adm1032",
2701 };
2702 
radeon_combios_get_power_modes(struct radeon_device * rdev)2703 void radeon_combios_get_power_modes(struct radeon_device *rdev)
2704 {
2705 	struct drm_device *dev = rdev->ddev;
2706 	u16 offset, misc, misc2 = 0;
2707 	u8 rev, blocks, tmp;
2708 	int state_index = 0;
2709 	struct radeon_i2c_bus_rec i2c_bus;
2710 
2711 	rdev->pm.default_power_state_index = -1;
2712 
2713 	/* allocate 2 power states */
2714 	rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) * 2, GFP_KERNEL);
2715 	if (rdev->pm.power_state) {
2716 		/* allocate 1 clock mode per state */
2717 		rdev->pm.power_state[0].clock_info =
2718 			kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
2719 		rdev->pm.power_state[1].clock_info =
2720 			kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
2721 		if (!rdev->pm.power_state[0].clock_info ||
2722 		    !rdev->pm.power_state[1].clock_info)
2723 			goto pm_failed;
2724 	} else
2725 		goto pm_failed;
2726 
2727 	/* check for a thermal chip */
2728 	offset = combios_get_table_offset(dev, COMBIOS_OVERDRIVE_INFO_TABLE);
2729 	if (offset) {
2730 		u8 thermal_controller = 0, gpio = 0, i2c_addr = 0, clk_bit = 0, data_bit = 0;
2731 
2732 		rev = RBIOS8(offset);
2733 
2734 		if (rev == 0) {
2735 			thermal_controller = RBIOS8(offset + 3);
2736 			gpio = RBIOS8(offset + 4) & 0x3f;
2737 			i2c_addr = RBIOS8(offset + 5);
2738 		} else if (rev == 1) {
2739 			thermal_controller = RBIOS8(offset + 4);
2740 			gpio = RBIOS8(offset + 5) & 0x3f;
2741 			i2c_addr = RBIOS8(offset + 6);
2742 		} else if (rev == 2) {
2743 			thermal_controller = RBIOS8(offset + 4);
2744 			gpio = RBIOS8(offset + 5) & 0x3f;
2745 			i2c_addr = RBIOS8(offset + 6);
2746 			clk_bit = RBIOS8(offset + 0xa);
2747 			data_bit = RBIOS8(offset + 0xb);
2748 		}
2749 		if ((thermal_controller > 0) && (thermal_controller < 3)) {
2750 			DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2751 				 thermal_controller_names[thermal_controller],
2752 				 i2c_addr >> 1);
2753 			if (gpio == DDC_LCD) {
2754 				/* MM i2c */
2755 				i2c_bus.valid = true;
2756 				i2c_bus.hw_capable = true;
2757 				i2c_bus.mm_i2c = true;
2758 				i2c_bus.i2c_id = 0xa0;
2759 			} else if (gpio == DDC_GPIO)
2760 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 1 << clk_bit, 1 << data_bit);
2761 			else
2762 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
2763 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2764 			if (rdev->pm.i2c_bus) {
2765 				struct i2c_board_info info = { };
2766 				const char *name = thermal_controller_names[thermal_controller];
2767 				info.addr = i2c_addr >> 1;
2768 				strlcpy(info.type, name, sizeof(info.type));
2769 				i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
2770 			}
2771 		}
2772 	} else {
2773 		/* boards with a thermal chip, but no overdrive table */
2774 
2775 		/* Asus 9600xt has an f75375 on the monid bus */
2776 		if ((dev->pdev->device == 0x4152) &&
2777 		    (dev->pdev->subsystem_vendor == 0x1043) &&
2778 		    (dev->pdev->subsystem_device == 0xc002)) {
2779 			i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2780 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2781 			if (rdev->pm.i2c_bus) {
2782 				struct i2c_board_info info = { };
2783 				const char *name = "f75375";
2784 				info.addr = 0x28;
2785 				strlcpy(info.type, name, sizeof(info.type));
2786 				i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
2787 				DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2788 					 name, info.addr);
2789 			}
2790 		}
2791 	}
2792 
2793 	if (rdev->flags & RADEON_IS_MOBILITY) {
2794 		offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
2795 		if (offset) {
2796 			rev = RBIOS8(offset);
2797 			blocks = RBIOS8(offset + 0x2);
2798 			/* power mode 0 tends to be the only valid one */
2799 			rdev->pm.power_state[state_index].num_clock_modes = 1;
2800 			rdev->pm.power_state[state_index].clock_info[0].mclk = RBIOS32(offset + 0x5 + 0x2);
2801 			rdev->pm.power_state[state_index].clock_info[0].sclk = RBIOS32(offset + 0x5 + 0x6);
2802 			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2803 			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2804 				goto default_mode;
2805 			rdev->pm.power_state[state_index].type =
2806 				POWER_STATE_TYPE_BATTERY;
2807 			misc = RBIOS16(offset + 0x5 + 0x0);
2808 			if (rev > 4)
2809 				misc2 = RBIOS16(offset + 0x5 + 0xe);
2810 			rdev->pm.power_state[state_index].misc = misc;
2811 			rdev->pm.power_state[state_index].misc2 = misc2;
2812 			if (misc & 0x4) {
2813 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
2814 				if (misc & 0x8)
2815 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2816 						true;
2817 				else
2818 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2819 						false;
2820 				rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = true;
2821 				if (rev < 6) {
2822 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2823 						RBIOS16(offset + 0x5 + 0xb) * 4;
2824 					tmp = RBIOS8(offset + 0x5 + 0xd);
2825 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2826 				} else {
2827 					u8 entries = RBIOS8(offset + 0x5 + 0xb);
2828 					u16 voltage_table_offset = RBIOS16(offset + 0x5 + 0xc);
2829 					if (entries && voltage_table_offset) {
2830 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2831 							RBIOS16(voltage_table_offset) * 4;
2832 						tmp = RBIOS8(voltage_table_offset + 0x2);
2833 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2834 					} else
2835 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = false;
2836 				}
2837 				switch ((misc2 & 0x700) >> 8) {
2838 				case 0:
2839 				default:
2840 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 0;
2841 					break;
2842 				case 1:
2843 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 33;
2844 					break;
2845 				case 2:
2846 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 66;
2847 					break;
2848 				case 3:
2849 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 99;
2850 					break;
2851 				case 4:
2852 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 132;
2853 					break;
2854 				}
2855 			} else
2856 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2857 			if (rev > 6)
2858 				rdev->pm.power_state[state_index].pcie_lanes =
2859 					RBIOS8(offset + 0x5 + 0x10);
2860 			rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2861 			state_index++;
2862 		} else {
2863 			/* XXX figure out some good default low power mode for mobility cards w/out power tables */
2864 		}
2865 	} else {
2866 		/* XXX figure out some good default low power mode for desktop cards */
2867 	}
2868 
2869 default_mode:
2870 	/* add the default mode */
2871 	rdev->pm.power_state[state_index].type =
2872 		POWER_STATE_TYPE_DEFAULT;
2873 	rdev->pm.power_state[state_index].num_clock_modes = 1;
2874 	rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
2875 	rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
2876 	rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
2877 	if ((state_index > 0) &&
2878 	    (rdev->pm.power_state[0].clock_info[0].voltage.type == VOLTAGE_GPIO))
2879 		rdev->pm.power_state[state_index].clock_info[0].voltage =
2880 			rdev->pm.power_state[0].clock_info[0].voltage;
2881 	else
2882 		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2883 	rdev->pm.power_state[state_index].pcie_lanes = 16;
2884 	rdev->pm.power_state[state_index].flags = 0;
2885 	rdev->pm.default_power_state_index = state_index;
2886 	rdev->pm.num_power_states = state_index + 1;
2887 
2888 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2889 	rdev->pm.current_clock_mode_index = 0;
2890 	return;
2891 
2892 pm_failed:
2893 	rdev->pm.default_power_state_index = state_index;
2894 	rdev->pm.num_power_states = 0;
2895 
2896 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2897 	rdev->pm.current_clock_mode_index = 0;
2898 }
2899 
radeon_external_tmds_setup(struct drm_encoder * encoder)2900 void radeon_external_tmds_setup(struct drm_encoder *encoder)
2901 {
2902 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2903 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2904 
2905 	if (!tmds)
2906 		return;
2907 
2908 	switch (tmds->dvo_chip) {
2909 	case DVO_SIL164:
2910 		/* sil 164 */
2911 		radeon_i2c_put_byte(tmds->i2c_bus,
2912 				    tmds->slave_addr,
2913 				    0x08, 0x30);
2914 		radeon_i2c_put_byte(tmds->i2c_bus,
2915 				       tmds->slave_addr,
2916 				       0x09, 0x00);
2917 		radeon_i2c_put_byte(tmds->i2c_bus,
2918 				    tmds->slave_addr,
2919 				    0x0a, 0x90);
2920 		radeon_i2c_put_byte(tmds->i2c_bus,
2921 				    tmds->slave_addr,
2922 				    0x0c, 0x89);
2923 		radeon_i2c_put_byte(tmds->i2c_bus,
2924 				       tmds->slave_addr,
2925 				       0x08, 0x3b);
2926 		break;
2927 	case DVO_SIL1178:
2928 		/* sil 1178 - untested */
2929 		/*
2930 		 * 0x0f, 0x44
2931 		 * 0x0f, 0x4c
2932 		 * 0x0e, 0x01
2933 		 * 0x0a, 0x80
2934 		 * 0x09, 0x30
2935 		 * 0x0c, 0xc9
2936 		 * 0x0d, 0x70
2937 		 * 0x08, 0x32
2938 		 * 0x08, 0x33
2939 		 */
2940 		break;
2941 	default:
2942 		break;
2943 	}
2944 
2945 }
2946 
radeon_combios_external_tmds_setup(struct drm_encoder * encoder)2947 bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
2948 {
2949 	struct drm_device *dev = encoder->dev;
2950 	struct radeon_device *rdev = dev->dev_private;
2951 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2952 	uint16_t offset;
2953 	uint8_t blocks, slave_addr, rev;
2954 	uint32_t index, id;
2955 	uint32_t reg, val, and_mask, or_mask;
2956 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2957 
2958 	if (!tmds)
2959 		return false;
2960 
2961 	if (rdev->flags & RADEON_IS_IGP) {
2962 		offset = combios_get_table_offset(dev, COMBIOS_TMDS_POWER_ON_TABLE);
2963 		rev = RBIOS8(offset);
2964 		if (offset) {
2965 			rev = RBIOS8(offset);
2966 			if (rev > 1) {
2967 				blocks = RBIOS8(offset + 3);
2968 				index = offset + 4;
2969 				while (blocks > 0) {
2970 					id = RBIOS16(index);
2971 					index += 2;
2972 					switch (id >> 13) {
2973 					case 0:
2974 						reg = (id & 0x1fff) * 4;
2975 						val = RBIOS32(index);
2976 						index += 4;
2977 						WREG32(reg, val);
2978 						break;
2979 					case 2:
2980 						reg = (id & 0x1fff) * 4;
2981 						and_mask = RBIOS32(index);
2982 						index += 4;
2983 						or_mask = RBIOS32(index);
2984 						index += 4;
2985 						val = RREG32(reg);
2986 						val = (val & and_mask) | or_mask;
2987 						WREG32(reg, val);
2988 						break;
2989 					case 3:
2990 						val = RBIOS16(index);
2991 						index += 2;
2992 						udelay(val);
2993 						break;
2994 					case 4:
2995 						val = RBIOS16(index);
2996 						index += 2;
2997 						mdelay(val);
2998 						break;
2999 					case 6:
3000 						slave_addr = id & 0xff;
3001 						slave_addr >>= 1; /* 7 bit addressing */
3002 						index++;
3003 						reg = RBIOS8(index);
3004 						index++;
3005 						val = RBIOS8(index);
3006 						index++;
3007 						radeon_i2c_put_byte(tmds->i2c_bus,
3008 								    slave_addr,
3009 								    reg, val);
3010 						break;
3011 					default:
3012 						DRM_ERROR("Unknown id %d\n", id >> 13);
3013 						break;
3014 					}
3015 					blocks--;
3016 				}
3017 				return true;
3018 			}
3019 		}
3020 	} else {
3021 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
3022 		if (offset) {
3023 			index = offset + 10;
3024 			id = RBIOS16(index);
3025 			while (id != 0xffff) {
3026 				index += 2;
3027 				switch (id >> 13) {
3028 				case 0:
3029 					reg = (id & 0x1fff) * 4;
3030 					val = RBIOS32(index);
3031 					WREG32(reg, val);
3032 					break;
3033 				case 2:
3034 					reg = (id & 0x1fff) * 4;
3035 					and_mask = RBIOS32(index);
3036 					index += 4;
3037 					or_mask = RBIOS32(index);
3038 					index += 4;
3039 					val = RREG32(reg);
3040 					val = (val & and_mask) | or_mask;
3041 					WREG32(reg, val);
3042 					break;
3043 				case 4:
3044 					val = RBIOS16(index);
3045 					index += 2;
3046 					udelay(val);
3047 					break;
3048 				case 5:
3049 					reg = id & 0x1fff;
3050 					and_mask = RBIOS32(index);
3051 					index += 4;
3052 					or_mask = RBIOS32(index);
3053 					index += 4;
3054 					val = RREG32_PLL(reg);
3055 					val = (val & and_mask) | or_mask;
3056 					WREG32_PLL(reg, val);
3057 					break;
3058 				case 6:
3059 					reg = id & 0x1fff;
3060 					val = RBIOS8(index);
3061 					index += 1;
3062 					radeon_i2c_put_byte(tmds->i2c_bus,
3063 							    tmds->slave_addr,
3064 							    reg, val);
3065 					break;
3066 				default:
3067 					DRM_ERROR("Unknown id %d\n", id >> 13);
3068 					break;
3069 				}
3070 				id = RBIOS16(index);
3071 			}
3072 			return true;
3073 		}
3074 	}
3075 	return false;
3076 }
3077 
combios_parse_mmio_table(struct drm_device * dev,uint16_t offset)3078 static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
3079 {
3080 	struct radeon_device *rdev = dev->dev_private;
3081 
3082 	if (offset) {
3083 		while (RBIOS16(offset)) {
3084 			uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
3085 			uint32_t addr = (RBIOS16(offset) & 0x1fff);
3086 			uint32_t val, and_mask, or_mask;
3087 			uint32_t tmp;
3088 
3089 			offset += 2;
3090 			switch (cmd) {
3091 			case 0:
3092 				val = RBIOS32(offset);
3093 				offset += 4;
3094 				WREG32(addr, val);
3095 				break;
3096 			case 1:
3097 				val = RBIOS32(offset);
3098 				offset += 4;
3099 				WREG32(addr, val);
3100 				break;
3101 			case 2:
3102 				and_mask = RBIOS32(offset);
3103 				offset += 4;
3104 				or_mask = RBIOS32(offset);
3105 				offset += 4;
3106 				tmp = RREG32(addr);
3107 				tmp &= and_mask;
3108 				tmp |= or_mask;
3109 				WREG32(addr, tmp);
3110 				break;
3111 			case 3:
3112 				and_mask = RBIOS32(offset);
3113 				offset += 4;
3114 				or_mask = RBIOS32(offset);
3115 				offset += 4;
3116 				tmp = RREG32(addr);
3117 				tmp &= and_mask;
3118 				tmp |= or_mask;
3119 				WREG32(addr, tmp);
3120 				break;
3121 			case 4:
3122 				val = RBIOS16(offset);
3123 				offset += 2;
3124 				udelay(val);
3125 				break;
3126 			case 5:
3127 				val = RBIOS16(offset);
3128 				offset += 2;
3129 				switch (addr) {
3130 				case 8:
3131 					while (val--) {
3132 						if (!
3133 						    (RREG32_PLL
3134 						     (RADEON_CLK_PWRMGT_CNTL) &
3135 						     RADEON_MC_BUSY))
3136 							break;
3137 					}
3138 					break;
3139 				case 9:
3140 					while (val--) {
3141 						if ((RREG32(RADEON_MC_STATUS) &
3142 						     RADEON_MC_IDLE))
3143 							break;
3144 					}
3145 					break;
3146 				default:
3147 					break;
3148 				}
3149 				break;
3150 			default:
3151 				break;
3152 			}
3153 		}
3154 	}
3155 }
3156 
combios_parse_pll_table(struct drm_device * dev,uint16_t offset)3157 static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
3158 {
3159 	struct radeon_device *rdev = dev->dev_private;
3160 
3161 	if (offset) {
3162 		while (RBIOS8(offset)) {
3163 			uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
3164 			uint8_t addr = (RBIOS8(offset) & 0x3f);
3165 			uint32_t val, shift, tmp;
3166 			uint32_t and_mask, or_mask;
3167 
3168 			offset++;
3169 			switch (cmd) {
3170 			case 0:
3171 				val = RBIOS32(offset);
3172 				offset += 4;
3173 				WREG32_PLL(addr, val);
3174 				break;
3175 			case 1:
3176 				shift = RBIOS8(offset) * 8;
3177 				offset++;
3178 				and_mask = RBIOS8(offset) << shift;
3179 				and_mask |= ~(0xff << shift);
3180 				offset++;
3181 				or_mask = RBIOS8(offset) << shift;
3182 				offset++;
3183 				tmp = RREG32_PLL(addr);
3184 				tmp &= and_mask;
3185 				tmp |= or_mask;
3186 				WREG32_PLL(addr, tmp);
3187 				break;
3188 			case 2:
3189 			case 3:
3190 				tmp = 1000;
3191 				switch (addr) {
3192 				case 1:
3193 					udelay(150);
3194 					break;
3195 				case 2:
3196 					mdelay(1);
3197 					break;
3198 				case 3:
3199 					while (tmp--) {
3200 						if (!
3201 						    (RREG32_PLL
3202 						     (RADEON_CLK_PWRMGT_CNTL) &
3203 						     RADEON_MC_BUSY))
3204 							break;
3205 					}
3206 					break;
3207 				case 4:
3208 					while (tmp--) {
3209 						if (RREG32_PLL
3210 						    (RADEON_CLK_PWRMGT_CNTL) &
3211 						    RADEON_DLL_READY)
3212 							break;
3213 					}
3214 					break;
3215 				case 5:
3216 					tmp =
3217 					    RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
3218 					if (tmp & RADEON_CG_NO1_DEBUG_0) {
3219 #if 0
3220 						uint32_t mclk_cntl =
3221 						    RREG32_PLL
3222 						    (RADEON_MCLK_CNTL);
3223 						mclk_cntl &= 0xffff0000;
3224 						/*mclk_cntl |= 0x00001111;*//* ??? */
3225 						WREG32_PLL(RADEON_MCLK_CNTL,
3226 							   mclk_cntl);
3227 						mdelay(10);
3228 #endif
3229 						WREG32_PLL
3230 						    (RADEON_CLK_PWRMGT_CNTL,
3231 						     tmp &
3232 						     ~RADEON_CG_NO1_DEBUG_0);
3233 						mdelay(10);
3234 					}
3235 					break;
3236 				default:
3237 					break;
3238 				}
3239 				break;
3240 			default:
3241 				break;
3242 			}
3243 		}
3244 	}
3245 }
3246 
combios_parse_ram_reset_table(struct drm_device * dev,uint16_t offset)3247 static void combios_parse_ram_reset_table(struct drm_device *dev,
3248 					  uint16_t offset)
3249 {
3250 	struct radeon_device *rdev = dev->dev_private;
3251 	uint32_t tmp;
3252 
3253 	if (offset) {
3254 		uint8_t val = RBIOS8(offset);
3255 		while (val != 0xff) {
3256 			offset++;
3257 
3258 			if (val == 0x0f) {
3259 				uint32_t channel_complete_mask;
3260 
3261 				if (ASIC_IS_R300(rdev))
3262 					channel_complete_mask =
3263 					    R300_MEM_PWRUP_COMPLETE;
3264 				else
3265 					channel_complete_mask =
3266 					    RADEON_MEM_PWRUP_COMPLETE;
3267 				tmp = 20000;
3268 				while (tmp--) {
3269 					if ((RREG32(RADEON_MEM_STR_CNTL) &
3270 					     channel_complete_mask) ==
3271 					    channel_complete_mask)
3272 						break;
3273 				}
3274 			} else {
3275 				uint32_t or_mask = RBIOS16(offset);
3276 				offset += 2;
3277 
3278 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3279 				tmp &= RADEON_SDRAM_MODE_MASK;
3280 				tmp |= or_mask;
3281 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3282 
3283 				or_mask = val << 24;
3284 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3285 				tmp &= RADEON_B3MEM_RESET_MASK;
3286 				tmp |= or_mask;
3287 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3288 			}
3289 			val = RBIOS8(offset);
3290 		}
3291 	}
3292 }
3293 
combios_detect_ram(struct drm_device * dev,int ram,int mem_addr_mapping)3294 static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
3295 				   int mem_addr_mapping)
3296 {
3297 	struct radeon_device *rdev = dev->dev_private;
3298 	uint32_t mem_cntl;
3299 	uint32_t mem_size;
3300 	uint32_t addr = 0;
3301 
3302 	mem_cntl = RREG32(RADEON_MEM_CNTL);
3303 	if (mem_cntl & RV100_HALF_MODE)
3304 		ram /= 2;
3305 	mem_size = ram;
3306 	mem_cntl &= ~(0xff << 8);
3307 	mem_cntl |= (mem_addr_mapping & 0xff) << 8;
3308 	WREG32(RADEON_MEM_CNTL, mem_cntl);
3309 	RREG32(RADEON_MEM_CNTL);
3310 
3311 	/* sdram reset ? */
3312 
3313 	/* something like this????  */
3314 	while (ram--) {
3315 		addr = ram * 1024 * 1024;
3316 		/* write to each page */
3317 		WREG32_IDX((addr) | RADEON_MM_APER, 0xdeadbeef);
3318 		/* read back and verify */
3319 		if (RREG32_IDX((addr) | RADEON_MM_APER) != 0xdeadbeef)
3320 			return 0;
3321 	}
3322 
3323 	return mem_size;
3324 }
3325 
combios_write_ram_size(struct drm_device * dev)3326 static void combios_write_ram_size(struct drm_device *dev)
3327 {
3328 	struct radeon_device *rdev = dev->dev_private;
3329 	uint8_t rev;
3330 	uint16_t offset;
3331 	uint32_t mem_size = 0;
3332 	uint32_t mem_cntl = 0;
3333 
3334 	/* should do something smarter here I guess... */
3335 	if (rdev->flags & RADEON_IS_IGP)
3336 		return;
3337 
3338 	/* first check detected mem table */
3339 	offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
3340 	if (offset) {
3341 		rev = RBIOS8(offset);
3342 		if (rev < 3) {
3343 			mem_cntl = RBIOS32(offset + 1);
3344 			mem_size = RBIOS16(offset + 5);
3345 			if ((rdev->family < CHIP_R200) &&
3346 			    !ASIC_IS_RN50(rdev))
3347 				WREG32(RADEON_MEM_CNTL, mem_cntl);
3348 		}
3349 	}
3350 
3351 	if (!mem_size) {
3352 		offset =
3353 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
3354 		if (offset) {
3355 			rev = RBIOS8(offset - 1);
3356 			if (rev < 1) {
3357 				if ((rdev->family < CHIP_R200)
3358 				    && !ASIC_IS_RN50(rdev)) {
3359 					int ram = 0;
3360 					int mem_addr_mapping = 0;
3361 
3362 					while (RBIOS8(offset)) {
3363 						ram = RBIOS8(offset);
3364 						mem_addr_mapping =
3365 						    RBIOS8(offset + 1);
3366 						if (mem_addr_mapping != 0x25)
3367 							ram *= 2;
3368 						mem_size =
3369 						    combios_detect_ram(dev, ram,
3370 								       mem_addr_mapping);
3371 						if (mem_size)
3372 							break;
3373 						offset += 2;
3374 					}
3375 				} else
3376 					mem_size = RBIOS8(offset);
3377 			} else {
3378 				mem_size = RBIOS8(offset);
3379 				mem_size *= 2;	/* convert to MB */
3380 			}
3381 		}
3382 	}
3383 
3384 	mem_size *= (1024 * 1024);	/* convert to bytes */
3385 	WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
3386 }
3387 
radeon_combios_asic_init(struct drm_device * dev)3388 void radeon_combios_asic_init(struct drm_device *dev)
3389 {
3390 	struct radeon_device *rdev = dev->dev_private;
3391 	uint16_t table;
3392 
3393 	/* port hardcoded mac stuff from radeonfb */
3394 	if (rdev->bios == NULL)
3395 		return;
3396 
3397 	/* ASIC INIT 1 */
3398 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE);
3399 	if (table)
3400 		combios_parse_mmio_table(dev, table);
3401 
3402 	/* PLL INIT */
3403 	table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE);
3404 	if (table)
3405 		combios_parse_pll_table(dev, table);
3406 
3407 	/* ASIC INIT 2 */
3408 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE);
3409 	if (table)
3410 		combios_parse_mmio_table(dev, table);
3411 
3412 	if (!(rdev->flags & RADEON_IS_IGP)) {
3413 		/* ASIC INIT 4 */
3414 		table =
3415 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE);
3416 		if (table)
3417 			combios_parse_mmio_table(dev, table);
3418 
3419 		/* RAM RESET */
3420 		table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE);
3421 		if (table)
3422 			combios_parse_ram_reset_table(dev, table);
3423 
3424 		/* ASIC INIT 3 */
3425 		table =
3426 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE);
3427 		if (table)
3428 			combios_parse_mmio_table(dev, table);
3429 
3430 		/* write CONFIG_MEMSIZE */
3431 		combios_write_ram_size(dev);
3432 	}
3433 
3434 	/* quirk for rs4xx HP nx6125 laptop to make it resume
3435 	 * - it hangs on resume inside the dynclk 1 table.
3436 	 */
3437 	if (rdev->family == CHIP_RS480 &&
3438 	    rdev->pdev->subsystem_vendor == 0x103c &&
3439 	    rdev->pdev->subsystem_device == 0x308b)
3440 		return;
3441 
3442 	/* quirk for rs4xx HP dv5000 laptop to make it resume
3443 	 * - it hangs on resume inside the dynclk 1 table.
3444 	 */
3445 	if (rdev->family == CHIP_RS480 &&
3446 	    rdev->pdev->subsystem_vendor == 0x103c &&
3447 	    rdev->pdev->subsystem_device == 0x30a4)
3448 		return;
3449 
3450 	/* quirk for rs4xx Compaq Presario V5245EU laptop to make it resume
3451 	 * - it hangs on resume inside the dynclk 1 table.
3452 	 */
3453 	if (rdev->family == CHIP_RS480 &&
3454 	    rdev->pdev->subsystem_vendor == 0x103c &&
3455 	    rdev->pdev->subsystem_device == 0x30ae)
3456 		return;
3457 
3458 	/* DYN CLK 1 */
3459 	table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3460 	if (table)
3461 		combios_parse_pll_table(dev, table);
3462 
3463 }
3464 
radeon_combios_initialize_bios_scratch_regs(struct drm_device * dev)3465 void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
3466 {
3467 	struct radeon_device *rdev = dev->dev_private;
3468 	uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
3469 
3470 	bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
3471 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3472 	bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
3473 
3474 	/* let the bios control the backlight */
3475 	bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
3476 
3477 	/* tell the bios not to handle mode switching */
3478 	bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
3479 			   RADEON_ACC_MODE_CHANGE);
3480 
3481 	/* tell the bios a driver is loaded */
3482 	bios_7_scratch |= RADEON_DRV_LOADED;
3483 
3484 	WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
3485 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3486 	WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
3487 }
3488 
radeon_combios_output_lock(struct drm_encoder * encoder,bool lock)3489 void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
3490 {
3491 	struct drm_device *dev = encoder->dev;
3492 	struct radeon_device *rdev = dev->dev_private;
3493 	uint32_t bios_6_scratch;
3494 
3495 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3496 
3497 	if (lock)
3498 		bios_6_scratch |= RADEON_DRIVER_CRITICAL;
3499 	else
3500 		bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
3501 
3502 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3503 }
3504 
3505 void
radeon_combios_connected_scratch_regs(struct drm_connector * connector,struct drm_encoder * encoder,bool connected)3506 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
3507 				      struct drm_encoder *encoder,
3508 				      bool connected)
3509 {
3510 	struct drm_device *dev = connector->dev;
3511 	struct radeon_device *rdev = dev->dev_private;
3512 	struct radeon_connector *radeon_connector =
3513 	    to_radeon_connector(connector);
3514 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3515 	uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
3516 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3517 
3518 	if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
3519 	    (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
3520 		if (connected) {
3521 			DRM_DEBUG_KMS("TV1 connected\n");
3522 			/* fix me */
3523 			bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
3524 			/*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
3525 			bios_5_scratch |= RADEON_TV1_ON;
3526 			bios_5_scratch |= RADEON_ACC_REQ_TV1;
3527 		} else {
3528 			DRM_DEBUG_KMS("TV1 disconnected\n");
3529 			bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
3530 			bios_5_scratch &= ~RADEON_TV1_ON;
3531 			bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
3532 		}
3533 	}
3534 	if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
3535 	    (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
3536 		if (connected) {
3537 			DRM_DEBUG_KMS("LCD1 connected\n");
3538 			bios_4_scratch |= RADEON_LCD1_ATTACHED;
3539 			bios_5_scratch |= RADEON_LCD1_ON;
3540 			bios_5_scratch |= RADEON_ACC_REQ_LCD1;
3541 		} else {
3542 			DRM_DEBUG_KMS("LCD1 disconnected\n");
3543 			bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
3544 			bios_5_scratch &= ~RADEON_LCD1_ON;
3545 			bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
3546 		}
3547 	}
3548 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
3549 	    (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
3550 		if (connected) {
3551 			DRM_DEBUG_KMS("CRT1 connected\n");
3552 			bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
3553 			bios_5_scratch |= RADEON_CRT1_ON;
3554 			bios_5_scratch |= RADEON_ACC_REQ_CRT1;
3555 		} else {
3556 			DRM_DEBUG_KMS("CRT1 disconnected\n");
3557 			bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
3558 			bios_5_scratch &= ~RADEON_CRT1_ON;
3559 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
3560 		}
3561 	}
3562 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
3563 	    (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
3564 		if (connected) {
3565 			DRM_DEBUG_KMS("CRT2 connected\n");
3566 			bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
3567 			bios_5_scratch |= RADEON_CRT2_ON;
3568 			bios_5_scratch |= RADEON_ACC_REQ_CRT2;
3569 		} else {
3570 			DRM_DEBUG_KMS("CRT2 disconnected\n");
3571 			bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
3572 			bios_5_scratch &= ~RADEON_CRT2_ON;
3573 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
3574 		}
3575 	}
3576 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
3577 	    (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
3578 		if (connected) {
3579 			DRM_DEBUG_KMS("DFP1 connected\n");
3580 			bios_4_scratch |= RADEON_DFP1_ATTACHED;
3581 			bios_5_scratch |= RADEON_DFP1_ON;
3582 			bios_5_scratch |= RADEON_ACC_REQ_DFP1;
3583 		} else {
3584 			DRM_DEBUG_KMS("DFP1 disconnected\n");
3585 			bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
3586 			bios_5_scratch &= ~RADEON_DFP1_ON;
3587 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
3588 		}
3589 	}
3590 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
3591 	    (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
3592 		if (connected) {
3593 			DRM_DEBUG_KMS("DFP2 connected\n");
3594 			bios_4_scratch |= RADEON_DFP2_ATTACHED;
3595 			bios_5_scratch |= RADEON_DFP2_ON;
3596 			bios_5_scratch |= RADEON_ACC_REQ_DFP2;
3597 		} else {
3598 			DRM_DEBUG_KMS("DFP2 disconnected\n");
3599 			bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
3600 			bios_5_scratch &= ~RADEON_DFP2_ON;
3601 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
3602 		}
3603 	}
3604 	WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
3605 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3606 }
3607 
3608 void
radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder * encoder,int crtc)3609 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
3610 {
3611 	struct drm_device *dev = encoder->dev;
3612 	struct radeon_device *rdev = dev->dev_private;
3613 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3614 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3615 
3616 	if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
3617 		bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
3618 		bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
3619 	}
3620 	if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
3621 		bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
3622 		bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
3623 	}
3624 	if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
3625 		bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
3626 		bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
3627 	}
3628 	if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
3629 		bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
3630 		bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
3631 	}
3632 	if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
3633 		bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
3634 		bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
3635 	}
3636 	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
3637 		bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
3638 		bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
3639 	}
3640 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3641 }
3642 
3643 void
radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder * encoder,bool on)3644 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
3645 {
3646 	struct drm_device *dev = encoder->dev;
3647 	struct radeon_device *rdev = dev->dev_private;
3648 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3649 	uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3650 
3651 	if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
3652 		if (on)
3653 			bios_6_scratch |= RADEON_TV_DPMS_ON;
3654 		else
3655 			bios_6_scratch &= ~RADEON_TV_DPMS_ON;
3656 	}
3657 	if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3658 		if (on)
3659 			bios_6_scratch |= RADEON_CRT_DPMS_ON;
3660 		else
3661 			bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
3662 	}
3663 	if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3664 		if (on)
3665 			bios_6_scratch |= RADEON_LCD_DPMS_ON;
3666 		else
3667 			bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
3668 	}
3669 	if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
3670 		if (on)
3671 			bios_6_scratch |= RADEON_DFP_DPMS_ON;
3672 		else
3673 			bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
3674 	}
3675 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3676 }
3677