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