xref: /linux/drivers/gpu/drm/radeon/radeon_combios.c (revision c6bb3acf)
1 /*
2  * Copyright 2004 ATI Technologies Inc., Markham, Ontario
3  * Copyright 2007-8 Advanced Micro Devices, Inc.
4  * Copyright 2008 Red Hat Inc.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  */
27 
28 #include <linux/pci.h>
29 
30 #include <drm/drm_device.h>
31 #include <drm/drm_edid.h>
32 #include <drm/radeon_drm.h>
33 
34 #include "radeon.h"
35 #include "radeon_legacy_encoders.h"
36 #include "atom.h"
37 
38 #ifdef CONFIG_PPC_PMAC
39 /* not sure which of these are needed */
40 #include <asm/machdep.h>
41 #include <asm/pmac_feature.h>
42 #include <asm/prom.h>
43 #endif /* CONFIG_PPC_PMAC */
44 
45 /* old legacy ATI BIOS routines */
46 
47 /* COMBIOS table offsets */
48 enum radeon_combios_table_offset {
49 	/* absolute offset tables */
50 	COMBIOS_ASIC_INIT_1_TABLE,
51 	COMBIOS_BIOS_SUPPORT_TABLE,
52 	COMBIOS_DAC_PROGRAMMING_TABLE,
53 	COMBIOS_MAX_COLOR_DEPTH_TABLE,
54 	COMBIOS_CRTC_INFO_TABLE,
55 	COMBIOS_PLL_INFO_TABLE,
56 	COMBIOS_TV_INFO_TABLE,
57 	COMBIOS_DFP_INFO_TABLE,
58 	COMBIOS_HW_CONFIG_INFO_TABLE,
59 	COMBIOS_MULTIMEDIA_INFO_TABLE,
60 	COMBIOS_TV_STD_PATCH_TABLE,
61 	COMBIOS_LCD_INFO_TABLE,
62 	COMBIOS_MOBILE_INFO_TABLE,
63 	COMBIOS_PLL_INIT_TABLE,
64 	COMBIOS_MEM_CONFIG_TABLE,
65 	COMBIOS_SAVE_MASK_TABLE,
66 	COMBIOS_HARDCODED_EDID_TABLE,
67 	COMBIOS_ASIC_INIT_2_TABLE,
68 	COMBIOS_CONNECTOR_INFO_TABLE,
69 	COMBIOS_DYN_CLK_1_TABLE,
70 	COMBIOS_RESERVED_MEM_TABLE,
71 	COMBIOS_EXT_TMDS_INFO_TABLE,
72 	COMBIOS_MEM_CLK_INFO_TABLE,
73 	COMBIOS_EXT_DAC_INFO_TABLE,
74 	COMBIOS_MISC_INFO_TABLE,
75 	COMBIOS_CRT_INFO_TABLE,
76 	COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE,
77 	COMBIOS_COMPONENT_VIDEO_INFO_TABLE,
78 	COMBIOS_FAN_SPEED_INFO_TABLE,
79 	COMBIOS_OVERDRIVE_INFO_TABLE,
80 	COMBIOS_OEM_INFO_TABLE,
81 	COMBIOS_DYN_CLK_2_TABLE,
82 	COMBIOS_POWER_CONNECTOR_INFO_TABLE,
83 	COMBIOS_I2C_INFO_TABLE,
84 	/* relative offset tables */
85 	COMBIOS_ASIC_INIT_3_TABLE,	/* offset from misc info */
86 	COMBIOS_ASIC_INIT_4_TABLE,	/* offset from misc info */
87 	COMBIOS_DETECTED_MEM_TABLE,	/* offset from misc info */
88 	COMBIOS_ASIC_INIT_5_TABLE,	/* offset from misc info */
89 	COMBIOS_RAM_RESET_TABLE,	/* offset from mem config */
90 	COMBIOS_POWERPLAY_INFO_TABLE,	/* offset from mobile info */
91 	COMBIOS_GPIO_INFO_TABLE,	/* offset from mobile info */
92 	COMBIOS_LCD_DDC_INFO_TABLE,	/* offset from mobile info */
93 	COMBIOS_TMDS_POWER_TABLE,	/* offset from mobile info */
94 	COMBIOS_TMDS_POWER_ON_TABLE,	/* offset from tmds power */
95 	COMBIOS_TMDS_POWER_OFF_TABLE,	/* offset from tmds power */
96 };
97 
98 enum radeon_combios_ddc {
99 	DDC_NONE_DETECTED,
100 	DDC_MONID,
101 	DDC_DVI,
102 	DDC_VGA,
103 	DDC_CRT2,
104 	DDC_LCD,
105 	DDC_GPIO,
106 };
107 
108 enum radeon_combios_connector {
109 	CONNECTOR_NONE_LEGACY,
110 	CONNECTOR_PROPRIETARY_LEGACY,
111 	CONNECTOR_CRT_LEGACY,
112 	CONNECTOR_DVI_I_LEGACY,
113 	CONNECTOR_DVI_D_LEGACY,
114 	CONNECTOR_CTV_LEGACY,
115 	CONNECTOR_STV_LEGACY,
116 	CONNECTOR_UNSUPPORTED_LEGACY
117 };
118 
119 static const int legacy_connector_convert[] = {
120 	DRM_MODE_CONNECTOR_Unknown,
121 	DRM_MODE_CONNECTOR_DVID,
122 	DRM_MODE_CONNECTOR_VGA,
123 	DRM_MODE_CONNECTOR_DVII,
124 	DRM_MODE_CONNECTOR_DVID,
125 	DRM_MODE_CONNECTOR_Composite,
126 	DRM_MODE_CONNECTOR_SVIDEO,
127 	DRM_MODE_CONNECTOR_Unknown,
128 };
129 
combios_get_table_offset(struct drm_device * dev,enum radeon_combios_table_offset table)130 static uint16_t combios_get_table_offset(struct drm_device *dev,
131 					 enum radeon_combios_table_offset table)
132 {
133 	struct radeon_device *rdev = dev->dev_private;
134 	int rev, size;
135 	uint16_t offset = 0, check_offset;
136 
137 	if (!rdev->bios)
138 		return 0;
139 
140 	switch (table) {
141 		/* absolute offset tables */
142 	case COMBIOS_ASIC_INIT_1_TABLE:
143 		check_offset = 0xc;
144 		break;
145 	case COMBIOS_BIOS_SUPPORT_TABLE:
146 		check_offset = 0x14;
147 		break;
148 	case COMBIOS_DAC_PROGRAMMING_TABLE:
149 		check_offset = 0x2a;
150 		break;
151 	case COMBIOS_MAX_COLOR_DEPTH_TABLE:
152 		check_offset = 0x2c;
153 		break;
154 	case COMBIOS_CRTC_INFO_TABLE:
155 		check_offset = 0x2e;
156 		break;
157 	case COMBIOS_PLL_INFO_TABLE:
158 		check_offset = 0x30;
159 		break;
160 	case COMBIOS_TV_INFO_TABLE:
161 		check_offset = 0x32;
162 		break;
163 	case COMBIOS_DFP_INFO_TABLE:
164 		check_offset = 0x34;
165 		break;
166 	case COMBIOS_HW_CONFIG_INFO_TABLE:
167 		check_offset = 0x36;
168 		break;
169 	case COMBIOS_MULTIMEDIA_INFO_TABLE:
170 		check_offset = 0x38;
171 		break;
172 	case COMBIOS_TV_STD_PATCH_TABLE:
173 		check_offset = 0x3e;
174 		break;
175 	case COMBIOS_LCD_INFO_TABLE:
176 		check_offset = 0x40;
177 		break;
178 	case COMBIOS_MOBILE_INFO_TABLE:
179 		check_offset = 0x42;
180 		break;
181 	case COMBIOS_PLL_INIT_TABLE:
182 		check_offset = 0x46;
183 		break;
184 	case COMBIOS_MEM_CONFIG_TABLE:
185 		check_offset = 0x48;
186 		break;
187 	case COMBIOS_SAVE_MASK_TABLE:
188 		check_offset = 0x4a;
189 		break;
190 	case COMBIOS_HARDCODED_EDID_TABLE:
191 		check_offset = 0x4c;
192 		break;
193 	case COMBIOS_ASIC_INIT_2_TABLE:
194 		check_offset = 0x4e;
195 		break;
196 	case COMBIOS_CONNECTOR_INFO_TABLE:
197 		check_offset = 0x50;
198 		break;
199 	case COMBIOS_DYN_CLK_1_TABLE:
200 		check_offset = 0x52;
201 		break;
202 	case COMBIOS_RESERVED_MEM_TABLE:
203 		check_offset = 0x54;
204 		break;
205 	case COMBIOS_EXT_TMDS_INFO_TABLE:
206 		check_offset = 0x58;
207 		break;
208 	case COMBIOS_MEM_CLK_INFO_TABLE:
209 		check_offset = 0x5a;
210 		break;
211 	case COMBIOS_EXT_DAC_INFO_TABLE:
212 		check_offset = 0x5c;
213 		break;
214 	case COMBIOS_MISC_INFO_TABLE:
215 		check_offset = 0x5e;
216 		break;
217 	case COMBIOS_CRT_INFO_TABLE:
218 		check_offset = 0x60;
219 		break;
220 	case COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE:
221 		check_offset = 0x62;
222 		break;
223 	case COMBIOS_COMPONENT_VIDEO_INFO_TABLE:
224 		check_offset = 0x64;
225 		break;
226 	case COMBIOS_FAN_SPEED_INFO_TABLE:
227 		check_offset = 0x66;
228 		break;
229 	case COMBIOS_OVERDRIVE_INFO_TABLE:
230 		check_offset = 0x68;
231 		break;
232 	case COMBIOS_OEM_INFO_TABLE:
233 		check_offset = 0x6a;
234 		break;
235 	case COMBIOS_DYN_CLK_2_TABLE:
236 		check_offset = 0x6c;
237 		break;
238 	case COMBIOS_POWER_CONNECTOR_INFO_TABLE:
239 		check_offset = 0x6e;
240 		break;
241 	case COMBIOS_I2C_INFO_TABLE:
242 		check_offset = 0x70;
243 		break;
244 		/* relative offset tables */
245 	case COMBIOS_ASIC_INIT_3_TABLE:	/* offset from misc info */
246 		check_offset =
247 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
248 		if (check_offset) {
249 			rev = RBIOS8(check_offset);
250 			if (rev > 0) {
251 				check_offset = RBIOS16(check_offset + 0x3);
252 				if (check_offset)
253 					offset = check_offset;
254 			}
255 		}
256 		break;
257 	case COMBIOS_ASIC_INIT_4_TABLE:	/* offset from misc info */
258 		check_offset =
259 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
260 		if (check_offset) {
261 			rev = RBIOS8(check_offset);
262 			if (rev > 0) {
263 				check_offset = RBIOS16(check_offset + 0x5);
264 				if (check_offset)
265 					offset = check_offset;
266 			}
267 		}
268 		break;
269 	case COMBIOS_DETECTED_MEM_TABLE:	/* offset from misc info */
270 		check_offset =
271 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
272 		if (check_offset) {
273 			rev = RBIOS8(check_offset);
274 			if (rev > 0) {
275 				check_offset = RBIOS16(check_offset + 0x7);
276 				if (check_offset)
277 					offset = check_offset;
278 			}
279 		}
280 		break;
281 	case COMBIOS_ASIC_INIT_5_TABLE:	/* offset from misc info */
282 		check_offset =
283 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
284 		if (check_offset) {
285 			rev = RBIOS8(check_offset);
286 			if (rev == 2) {
287 				check_offset = RBIOS16(check_offset + 0x9);
288 				if (check_offset)
289 					offset = check_offset;
290 			}
291 		}
292 		break;
293 	case COMBIOS_RAM_RESET_TABLE:	/* offset from mem config */
294 		check_offset =
295 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
296 		if (check_offset) {
297 			while (RBIOS8(check_offset++));
298 			check_offset += 2;
299 			if (check_offset)
300 				offset = check_offset;
301 		}
302 		break;
303 	case COMBIOS_POWERPLAY_INFO_TABLE:	/* offset from mobile info */
304 		check_offset =
305 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
306 		if (check_offset) {
307 			check_offset = RBIOS16(check_offset + 0x11);
308 			if (check_offset)
309 				offset = check_offset;
310 		}
311 		break;
312 	case COMBIOS_GPIO_INFO_TABLE:	/* offset from mobile info */
313 		check_offset =
314 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
315 		if (check_offset) {
316 			check_offset = RBIOS16(check_offset + 0x13);
317 			if (check_offset)
318 				offset = check_offset;
319 		}
320 		break;
321 	case COMBIOS_LCD_DDC_INFO_TABLE:	/* offset from mobile info */
322 		check_offset =
323 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
324 		if (check_offset) {
325 			check_offset = RBIOS16(check_offset + 0x15);
326 			if (check_offset)
327 				offset = check_offset;
328 		}
329 		break;
330 	case COMBIOS_TMDS_POWER_TABLE:	/* offset from mobile info */
331 		check_offset =
332 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
333 		if (check_offset) {
334 			check_offset = RBIOS16(check_offset + 0x17);
335 			if (check_offset)
336 				offset = check_offset;
337 		}
338 		break;
339 	case COMBIOS_TMDS_POWER_ON_TABLE:	/* offset from tmds power */
340 		check_offset =
341 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
342 		if (check_offset) {
343 			check_offset = RBIOS16(check_offset + 0x2);
344 			if (check_offset)
345 				offset = check_offset;
346 		}
347 		break;
348 	case COMBIOS_TMDS_POWER_OFF_TABLE:	/* offset from tmds power */
349 		check_offset =
350 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
351 		if (check_offset) {
352 			check_offset = RBIOS16(check_offset + 0x4);
353 			if (check_offset)
354 				offset = check_offset;
355 		}
356 		break;
357 	default:
358 		check_offset = 0;
359 		break;
360 	}
361 
362 	size = RBIOS8(rdev->bios_header_start + 0x6);
363 	/* check absolute offset tables */
364 	if (table < COMBIOS_ASIC_INIT_3_TABLE && check_offset && check_offset < size)
365 		offset = RBIOS16(rdev->bios_header_start + check_offset);
366 
367 	return offset;
368 }
369 
radeon_combios_check_hardcoded_edid(struct radeon_device * rdev)370 bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev)
371 {
372 	int edid_info, size;
373 	const struct drm_edid *edid;
374 	unsigned char *raw;
375 	edid_info = combios_get_table_offset(rdev_to_drm(rdev), COMBIOS_HARDCODED_EDID_TABLE);
376 	if (!edid_info)
377 		return false;
378 
379 	raw = rdev->bios + edid_info;
380 	size = EDID_LENGTH * (raw[0x7e] + 1);
381 	edid = drm_edid_alloc(raw, size);
382 
383 	if (!drm_edid_valid(edid)) {
384 		drm_edid_free(edid);
385 		return false;
386 	}
387 
388 	rdev->mode_info.bios_hardcoded_edid = edid;
389 	return true;
390 }
391 
392 /* this is used for atom LCDs as well */
393 struct edid *
radeon_bios_get_hardcoded_edid(struct radeon_device * rdev)394 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev)
395 {
396 	return drm_edid_duplicate(drm_edid_raw(rdev->mode_info.bios_hardcoded_edid));
397 }
398 
combios_setup_i2c_bus(struct radeon_device * rdev,enum radeon_combios_ddc ddc,u32 clk_mask,u32 data_mask)399 static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
400 						       enum radeon_combios_ddc ddc,
401 						       u32 clk_mask,
402 						       u32 data_mask)
403 {
404 	struct radeon_i2c_bus_rec i2c;
405 	int ddc_line = 0;
406 
407 	/* ddc id            = mask reg
408 	 * DDC_NONE_DETECTED = none
409 	 * DDC_DVI           = RADEON_GPIO_DVI_DDC
410 	 * DDC_VGA           = RADEON_GPIO_VGA_DDC
411 	 * DDC_LCD           = RADEON_GPIOPAD_MASK
412 	 * DDC_GPIO          = RADEON_MDGPIO_MASK
413 	 * r1xx
414 	 * DDC_MONID         = RADEON_GPIO_MONID
415 	 * DDC_CRT2          = RADEON_GPIO_CRT2_DDC
416 	 * r200
417 	 * DDC_MONID         = RADEON_GPIO_MONID
418 	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
419 	 * r300/r350
420 	 * DDC_MONID         = RADEON_GPIO_DVI_DDC
421 	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
422 	 * rv2xx/rv3xx
423 	 * DDC_MONID         = RADEON_GPIO_MONID
424 	 * DDC_CRT2          = RADEON_GPIO_MONID
425 	 * rs3xx/rs4xx
426 	 * DDC_MONID         = RADEON_GPIOPAD_MASK
427 	 * DDC_CRT2          = RADEON_GPIO_MONID
428 	 */
429 	switch (ddc) {
430 	case DDC_NONE_DETECTED:
431 	default:
432 		ddc_line = 0;
433 		break;
434 	case DDC_DVI:
435 		ddc_line = RADEON_GPIO_DVI_DDC;
436 		break;
437 	case DDC_VGA:
438 		ddc_line = RADEON_GPIO_VGA_DDC;
439 		break;
440 	case DDC_LCD:
441 		ddc_line = RADEON_GPIOPAD_MASK;
442 		break;
443 	case DDC_GPIO:
444 		ddc_line = RADEON_MDGPIO_MASK;
445 		break;
446 	case DDC_MONID:
447 		if (rdev->family == CHIP_RS300 ||
448 		    rdev->family == CHIP_RS400 ||
449 		    rdev->family == CHIP_RS480)
450 			ddc_line = RADEON_GPIOPAD_MASK;
451 		else if (rdev->family == CHIP_R300 ||
452 			 rdev->family == CHIP_R350) {
453 			ddc_line = RADEON_GPIO_DVI_DDC;
454 			ddc = DDC_DVI;
455 		} else
456 			ddc_line = RADEON_GPIO_MONID;
457 		break;
458 	case DDC_CRT2:
459 		if (rdev->family == CHIP_R200 ||
460 		    rdev->family == CHIP_R300 ||
461 		    rdev->family == CHIP_R350) {
462 			ddc_line = RADEON_GPIO_DVI_DDC;
463 			ddc = DDC_DVI;
464 		} else if (rdev->family == CHIP_RS300 ||
465 			   rdev->family == CHIP_RS400 ||
466 			   rdev->family == CHIP_RS480)
467 			ddc_line = RADEON_GPIO_MONID;
468 		else if (rdev->family >= CHIP_RV350) {
469 			ddc_line = RADEON_GPIO_MONID;
470 			ddc = DDC_MONID;
471 		} else
472 			ddc_line = RADEON_GPIO_CRT2_DDC;
473 		break;
474 	}
475 
476 	if (ddc_line == RADEON_GPIOPAD_MASK) {
477 		i2c.mask_clk_reg = RADEON_GPIOPAD_MASK;
478 		i2c.mask_data_reg = RADEON_GPIOPAD_MASK;
479 		i2c.a_clk_reg = RADEON_GPIOPAD_A;
480 		i2c.a_data_reg = RADEON_GPIOPAD_A;
481 		i2c.en_clk_reg = RADEON_GPIOPAD_EN;
482 		i2c.en_data_reg = RADEON_GPIOPAD_EN;
483 		i2c.y_clk_reg = RADEON_GPIOPAD_Y;
484 		i2c.y_data_reg = RADEON_GPIOPAD_Y;
485 	} else if (ddc_line == RADEON_MDGPIO_MASK) {
486 		i2c.mask_clk_reg = RADEON_MDGPIO_MASK;
487 		i2c.mask_data_reg = RADEON_MDGPIO_MASK;
488 		i2c.a_clk_reg = RADEON_MDGPIO_A;
489 		i2c.a_data_reg = RADEON_MDGPIO_A;
490 		i2c.en_clk_reg = RADEON_MDGPIO_EN;
491 		i2c.en_data_reg = RADEON_MDGPIO_EN;
492 		i2c.y_clk_reg = RADEON_MDGPIO_Y;
493 		i2c.y_data_reg = RADEON_MDGPIO_Y;
494 	} else {
495 		i2c.mask_clk_reg = ddc_line;
496 		i2c.mask_data_reg = ddc_line;
497 		i2c.a_clk_reg = ddc_line;
498 		i2c.a_data_reg = ddc_line;
499 		i2c.en_clk_reg = ddc_line;
500 		i2c.en_data_reg = ddc_line;
501 		i2c.y_clk_reg = ddc_line;
502 		i2c.y_data_reg = ddc_line;
503 	}
504 
505 	if (clk_mask && data_mask) {
506 		/* system specific masks */
507 		i2c.mask_clk_mask = clk_mask;
508 		i2c.mask_data_mask = data_mask;
509 		i2c.a_clk_mask = clk_mask;
510 		i2c.a_data_mask = data_mask;
511 		i2c.en_clk_mask = clk_mask;
512 		i2c.en_data_mask = data_mask;
513 		i2c.y_clk_mask = clk_mask;
514 		i2c.y_data_mask = data_mask;
515 	} else if ((ddc_line == RADEON_GPIOPAD_MASK) ||
516 		   (ddc_line == RADEON_MDGPIO_MASK)) {
517 		/* default gpiopad masks */
518 		i2c.mask_clk_mask = (0x20 << 8);
519 		i2c.mask_data_mask = 0x80;
520 		i2c.a_clk_mask = (0x20 << 8);
521 		i2c.a_data_mask = 0x80;
522 		i2c.en_clk_mask = (0x20 << 8);
523 		i2c.en_data_mask = 0x80;
524 		i2c.y_clk_mask = (0x20 << 8);
525 		i2c.y_data_mask = 0x80;
526 	} else {
527 		/* default masks for ddc pads */
528 		i2c.mask_clk_mask = RADEON_GPIO_MASK_1;
529 		i2c.mask_data_mask = RADEON_GPIO_MASK_0;
530 		i2c.a_clk_mask = RADEON_GPIO_A_1;
531 		i2c.a_data_mask = RADEON_GPIO_A_0;
532 		i2c.en_clk_mask = RADEON_GPIO_EN_1;
533 		i2c.en_data_mask = RADEON_GPIO_EN_0;
534 		i2c.y_clk_mask = RADEON_GPIO_Y_1;
535 		i2c.y_data_mask = RADEON_GPIO_Y_0;
536 	}
537 
538 	switch (rdev->family) {
539 	case CHIP_R100:
540 	case CHIP_RV100:
541 	case CHIP_RS100:
542 	case CHIP_RV200:
543 	case CHIP_RS200:
544 	case CHIP_RS300:
545 		switch (ddc_line) {
546 		case RADEON_GPIO_DVI_DDC:
547 			i2c.hw_capable = true;
548 			break;
549 		default:
550 			i2c.hw_capable = false;
551 			break;
552 		}
553 		break;
554 	case CHIP_R200:
555 		switch (ddc_line) {
556 		case RADEON_GPIO_DVI_DDC:
557 		case RADEON_GPIO_MONID:
558 			i2c.hw_capable = true;
559 			break;
560 		default:
561 			i2c.hw_capable = false;
562 			break;
563 		}
564 		break;
565 	case CHIP_RV250:
566 	case CHIP_RV280:
567 		switch (ddc_line) {
568 		case RADEON_GPIO_VGA_DDC:
569 		case RADEON_GPIO_DVI_DDC:
570 		case RADEON_GPIO_CRT2_DDC:
571 			i2c.hw_capable = true;
572 			break;
573 		default:
574 			i2c.hw_capable = false;
575 			break;
576 		}
577 		break;
578 	case CHIP_R300:
579 	case CHIP_R350:
580 		switch (ddc_line) {
581 		case RADEON_GPIO_VGA_DDC:
582 		case RADEON_GPIO_DVI_DDC:
583 			i2c.hw_capable = true;
584 			break;
585 		default:
586 			i2c.hw_capable = false;
587 			break;
588 		}
589 		break;
590 	case CHIP_RV350:
591 	case CHIP_RV380:
592 	case CHIP_RS400:
593 	case CHIP_RS480:
594 		switch (ddc_line) {
595 		case RADEON_GPIO_VGA_DDC:
596 		case RADEON_GPIO_DVI_DDC:
597 			i2c.hw_capable = true;
598 			break;
599 		case RADEON_GPIO_MONID:
600 			/* hw i2c on RADEON_GPIO_MONID doesn't seem to work
601 			 * reliably on some pre-r4xx hardware; not sure why.
602 			 */
603 			i2c.hw_capable = false;
604 			break;
605 		default:
606 			i2c.hw_capable = false;
607 			break;
608 		}
609 		break;
610 	default:
611 		i2c.hw_capable = false;
612 		break;
613 	}
614 	i2c.mm_i2c = false;
615 
616 	i2c.i2c_id = ddc;
617 	i2c.hpd = RADEON_HPD_NONE;
618 
619 	if (ddc_line)
620 		i2c.valid = true;
621 	else
622 		i2c.valid = false;
623 
624 	return i2c;
625 }
626 
radeon_combios_get_i2c_info_from_table(struct radeon_device * rdev)627 static struct radeon_i2c_bus_rec radeon_combios_get_i2c_info_from_table(struct radeon_device *rdev)
628 {
629 	struct drm_device *dev = rdev_to_drm(rdev);
630 	struct radeon_i2c_bus_rec i2c;
631 	u16 offset;
632 	u8 id, blocks, clk, data;
633 	int i;
634 
635 	i2c.valid = false;
636 
637 	offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE);
638 	if (offset) {
639 		blocks = RBIOS8(offset + 2);
640 		for (i = 0; i < blocks; i++) {
641 			id = RBIOS8(offset + 3 + (i * 5) + 0);
642 			if (id == 136) {
643 				clk = RBIOS8(offset + 3 + (i * 5) + 3);
644 				data = RBIOS8(offset + 3 + (i * 5) + 4);
645 				/* gpiopad */
646 				i2c = combios_setup_i2c_bus(rdev, DDC_MONID,
647 							    (1 << clk), (1 << data));
648 				break;
649 			}
650 		}
651 	}
652 	return i2c;
653 }
654 
radeon_combios_i2c_init(struct radeon_device * rdev)655 void radeon_combios_i2c_init(struct radeon_device *rdev)
656 {
657 	struct drm_device *dev = rdev_to_drm(rdev);
658 	struct radeon_i2c_bus_rec i2c;
659 
660 	/* actual hw pads
661 	 * r1xx/rs2xx/rs3xx
662 	 * 0x60, 0x64, 0x68, 0x6c, gpiopads, mm
663 	 * r200
664 	 * 0x60, 0x64, 0x68, mm
665 	 * r300/r350
666 	 * 0x60, 0x64, mm
667 	 * rv2xx/rv3xx/rs4xx
668 	 * 0x60, 0x64, 0x68, gpiopads, mm
669 	 */
670 
671 	/* 0x60 */
672 	i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
673 	rdev->i2c_bus[0] = radeon_i2c_create(dev, &i2c, "DVI_DDC");
674 	/* 0x64 */
675 	i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
676 	rdev->i2c_bus[1] = radeon_i2c_create(dev, &i2c, "VGA_DDC");
677 
678 	/* mm i2c */
679 	i2c.valid = true;
680 	i2c.hw_capable = true;
681 	i2c.mm_i2c = true;
682 	i2c.i2c_id = 0xa0;
683 	rdev->i2c_bus[2] = radeon_i2c_create(dev, &i2c, "MM_I2C");
684 
685 	if (rdev->family == CHIP_R300 ||
686 	    rdev->family == CHIP_R350) {
687 		/* only 2 sw i2c pads */
688 	} else if (rdev->family == CHIP_RS300 ||
689 		   rdev->family == CHIP_RS400 ||
690 		   rdev->family == CHIP_RS480) {
691 		/* 0x68 */
692 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
693 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
694 
695 		/* gpiopad */
696 		i2c = radeon_combios_get_i2c_info_from_table(rdev);
697 		if (i2c.valid)
698 			rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "GPIOPAD_MASK");
699 	} else if ((rdev->family == CHIP_R200) ||
700 		   (rdev->family >= CHIP_R300)) {
701 		/* 0x68 */
702 		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
703 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
704 	} else {
705 		/* 0x68 */
706 		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
707 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
708 		/* 0x6c */
709 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
710 		rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "CRT2_DDC");
711 	}
712 }
713 
radeon_combios_get_clock_info(struct drm_device * dev)714 bool radeon_combios_get_clock_info(struct drm_device *dev)
715 {
716 	struct radeon_device *rdev = dev->dev_private;
717 	uint16_t pll_info;
718 	struct radeon_pll *p1pll = &rdev->clock.p1pll;
719 	struct radeon_pll *p2pll = &rdev->clock.p2pll;
720 	struct radeon_pll *spll = &rdev->clock.spll;
721 	struct radeon_pll *mpll = &rdev->clock.mpll;
722 	int8_t rev;
723 	uint16_t sclk, mclk;
724 
725 	pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
726 	if (pll_info) {
727 		rev = RBIOS8(pll_info);
728 
729 		/* pixel clocks */
730 		p1pll->reference_freq = RBIOS16(pll_info + 0xe);
731 		p1pll->reference_div = RBIOS16(pll_info + 0x10);
732 		p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
733 		p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
734 		p1pll->lcd_pll_out_min = p1pll->pll_out_min;
735 		p1pll->lcd_pll_out_max = p1pll->pll_out_max;
736 
737 		if (rev > 9) {
738 			p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
739 			p1pll->pll_in_max = RBIOS32(pll_info + 0x3a);
740 		} else {
741 			p1pll->pll_in_min = 40;
742 			p1pll->pll_in_max = 500;
743 		}
744 		*p2pll = *p1pll;
745 
746 		/* system clock */
747 		spll->reference_freq = RBIOS16(pll_info + 0x1a);
748 		spll->reference_div = RBIOS16(pll_info + 0x1c);
749 		spll->pll_out_min = RBIOS32(pll_info + 0x1e);
750 		spll->pll_out_max = RBIOS32(pll_info + 0x22);
751 
752 		if (rev > 10) {
753 			spll->pll_in_min = RBIOS32(pll_info + 0x48);
754 			spll->pll_in_max = RBIOS32(pll_info + 0x4c);
755 		} else {
756 			/* ??? */
757 			spll->pll_in_min = 40;
758 			spll->pll_in_max = 500;
759 		}
760 
761 		/* memory clock */
762 		mpll->reference_freq = RBIOS16(pll_info + 0x26);
763 		mpll->reference_div = RBIOS16(pll_info + 0x28);
764 		mpll->pll_out_min = RBIOS32(pll_info + 0x2a);
765 		mpll->pll_out_max = RBIOS32(pll_info + 0x2e);
766 
767 		if (rev > 10) {
768 			mpll->pll_in_min = RBIOS32(pll_info + 0x5a);
769 			mpll->pll_in_max = RBIOS32(pll_info + 0x5e);
770 		} else {
771 			/* ??? */
772 			mpll->pll_in_min = 40;
773 			mpll->pll_in_max = 500;
774 		}
775 
776 		/* default sclk/mclk */
777 		sclk = RBIOS16(pll_info + 0xa);
778 		mclk = RBIOS16(pll_info + 0x8);
779 		if (sclk == 0)
780 			sclk = 200 * 100;
781 		if (mclk == 0)
782 			mclk = 200 * 100;
783 
784 		rdev->clock.default_sclk = sclk;
785 		rdev->clock.default_mclk = mclk;
786 
787 		if (RBIOS32(pll_info + 0x16))
788 			rdev->clock.max_pixel_clock = RBIOS32(pll_info + 0x16);
789 		else
790 			rdev->clock.max_pixel_clock = 35000; /* might need something asic specific */
791 
792 		return true;
793 	}
794 	return false;
795 }
796 
radeon_combios_sideport_present(struct radeon_device * rdev)797 bool radeon_combios_sideport_present(struct radeon_device *rdev)
798 {
799 	struct drm_device *dev = rdev_to_drm(rdev);
800 	u16 igp_info;
801 
802 	/* sideport is AMD only */
803 	if (rdev->family == CHIP_RS400)
804 		return false;
805 
806 	igp_info = combios_get_table_offset(dev, COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE);
807 
808 	if (igp_info) {
809 		if (RBIOS16(igp_info + 0x4))
810 			return true;
811 	}
812 	return false;
813 }
814 
815 static const uint32_t default_primarydac_adj[CHIP_LAST] = {
816 	0x00000808,		/* r100  */
817 	0x00000808,		/* rv100 */
818 	0x00000808,		/* rs100 */
819 	0x00000808,		/* rv200 */
820 	0x00000808,		/* rs200 */
821 	0x00000808,		/* r200  */
822 	0x00000808,		/* rv250 */
823 	0x00000000,		/* rs300 */
824 	0x00000808,		/* rv280 */
825 	0x00000808,		/* r300  */
826 	0x00000808,		/* r350  */
827 	0x00000808,		/* rv350 */
828 	0x00000808,		/* rv380 */
829 	0x00000808,		/* r420  */
830 	0x00000808,		/* r423  */
831 	0x00000808,		/* rv410 */
832 	0x00000000,		/* rs400 */
833 	0x00000000,		/* rs480 */
834 };
835 
radeon_legacy_get_primary_dac_info_from_table(struct radeon_device * rdev,struct radeon_encoder_primary_dac * p_dac)836 static void radeon_legacy_get_primary_dac_info_from_table(struct radeon_device *rdev,
837 							  struct radeon_encoder_primary_dac *p_dac)
838 {
839 	p_dac->ps2_pdac_adj = default_primarydac_adj[rdev->family];
840 	return;
841 }
842 
radeon_combios_get_primary_dac_info(struct radeon_encoder * encoder)843 struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
844 								       radeon_encoder
845 								       *encoder)
846 {
847 	struct drm_device *dev = encoder->base.dev;
848 	struct radeon_device *rdev = dev->dev_private;
849 	uint16_t dac_info;
850 	uint8_t rev, bg, dac;
851 	struct radeon_encoder_primary_dac *p_dac;
852 	int found = 0;
853 
854 	p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac),
855 			GFP_KERNEL);
856 
857 	if (!p_dac)
858 		return NULL;
859 
860 	/* check CRT table */
861 	dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
862 	if (dac_info) {
863 		rev = RBIOS8(dac_info) & 0x3;
864 		if (rev < 2) {
865 			bg = RBIOS8(dac_info + 0x2) & 0xf;
866 			dac = (RBIOS8(dac_info + 0x2) >> 4) & 0xf;
867 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
868 		} else {
869 			bg = RBIOS8(dac_info + 0x2) & 0xf;
870 			dac = RBIOS8(dac_info + 0x3) & 0xf;
871 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
872 		}
873 		/* if the values are zeros, use the table */
874 		if ((dac == 0) || (bg == 0))
875 			found = 0;
876 		else
877 			found = 1;
878 	}
879 
880 	/* quirks */
881 	/* Radeon 7000 (RV100) */
882 	if (((rdev->pdev->device == 0x5159) &&
883 	    (rdev->pdev->subsystem_vendor == 0x174B) &&
884 	    (rdev->pdev->subsystem_device == 0x7c28)) ||
885 	/* Radeon 9100 (R200) */
886 	   ((rdev->pdev->device == 0x514D) &&
887 	    (rdev->pdev->subsystem_vendor == 0x174B) &&
888 	    (rdev->pdev->subsystem_device == 0x7149))) {
889 		/* vbios value is bad, use the default */
890 		found = 0;
891 	}
892 
893 	if (!found) /* fallback to defaults */
894 		radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac);
895 
896 	return p_dac;
897 }
898 
899 enum radeon_tv_std
radeon_combios_get_tv_info(struct radeon_device * rdev)900 radeon_combios_get_tv_info(struct radeon_device *rdev)
901 {
902 	struct drm_device *dev = rdev_to_drm(rdev);
903 	uint16_t tv_info;
904 	enum radeon_tv_std tv_std = TV_STD_NTSC;
905 
906 	tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
907 	if (tv_info) {
908 		if (RBIOS8(tv_info + 6) == 'T') {
909 			switch (RBIOS8(tv_info + 7) & 0xf) {
910 			case 1:
911 				tv_std = TV_STD_NTSC;
912 				DRM_DEBUG_KMS("Default TV standard: NTSC\n");
913 				break;
914 			case 2:
915 				tv_std = TV_STD_PAL;
916 				DRM_DEBUG_KMS("Default TV standard: PAL\n");
917 				break;
918 			case 3:
919 				tv_std = TV_STD_PAL_M;
920 				DRM_DEBUG_KMS("Default TV standard: PAL-M\n");
921 				break;
922 			case 4:
923 				tv_std = TV_STD_PAL_60;
924 				DRM_DEBUG_KMS("Default TV standard: PAL-60\n");
925 				break;
926 			case 5:
927 				tv_std = TV_STD_NTSC_J;
928 				DRM_DEBUG_KMS("Default TV standard: NTSC-J\n");
929 				break;
930 			case 6:
931 				tv_std = TV_STD_SCART_PAL;
932 				DRM_DEBUG_KMS("Default TV standard: SCART-PAL\n");
933 				break;
934 			default:
935 				tv_std = TV_STD_NTSC;
936 				DRM_DEBUG_KMS
937 				    ("Unknown TV standard; defaulting to NTSC\n");
938 				break;
939 			}
940 
941 			switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
942 			case 0:
943 				DRM_DEBUG_KMS("29.498928713 MHz TV ref clk\n");
944 				break;
945 			case 1:
946 				DRM_DEBUG_KMS("28.636360000 MHz TV ref clk\n");
947 				break;
948 			case 2:
949 				DRM_DEBUG_KMS("14.318180000 MHz TV ref clk\n");
950 				break;
951 			case 3:
952 				DRM_DEBUG_KMS("27.000000000 MHz TV ref clk\n");
953 				break;
954 			default:
955 				break;
956 			}
957 		}
958 	}
959 	return tv_std;
960 }
961 
962 static const uint32_t default_tvdac_adj[CHIP_LAST] = {
963 	0x00000000,		/* r100  */
964 	0x00280000,		/* rv100 */
965 	0x00000000,		/* rs100 */
966 	0x00880000,		/* rv200 */
967 	0x00000000,		/* rs200 */
968 	0x00000000,		/* r200  */
969 	0x00770000,		/* rv250 */
970 	0x00290000,		/* rs300 */
971 	0x00560000,		/* rv280 */
972 	0x00780000,		/* r300  */
973 	0x00770000,		/* r350  */
974 	0x00780000,		/* rv350 */
975 	0x00780000,		/* rv380 */
976 	0x01080000,		/* r420  */
977 	0x01080000,		/* r423  */
978 	0x01080000,		/* rv410 */
979 	0x00780000,		/* rs400 */
980 	0x00780000,		/* rs480 */
981 };
982 
radeon_legacy_get_tv_dac_info_from_table(struct radeon_device * rdev,struct radeon_encoder_tv_dac * tv_dac)983 static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
984 						     struct radeon_encoder_tv_dac *tv_dac)
985 {
986 	tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
987 	if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
988 		tv_dac->ps2_tvdac_adj = 0x00880000;
989 	tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
990 	tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
991 	return;
992 }
993 
radeon_combios_get_tv_dac_info(struct radeon_encoder * encoder)994 struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
995 							     radeon_encoder
996 							     *encoder)
997 {
998 	struct drm_device *dev = encoder->base.dev;
999 	struct radeon_device *rdev = dev->dev_private;
1000 	uint16_t dac_info;
1001 	uint8_t rev, bg, dac;
1002 	struct radeon_encoder_tv_dac *tv_dac;
1003 	int found = 0;
1004 
1005 	tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
1006 	if (!tv_dac)
1007 		return NULL;
1008 
1009 	/* first check TV table */
1010 	dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
1011 	if (dac_info) {
1012 		rev = RBIOS8(dac_info + 0x3);
1013 		if (rev > 4) {
1014 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1015 			dac = RBIOS8(dac_info + 0xd) & 0xf;
1016 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1017 
1018 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1019 			dac = RBIOS8(dac_info + 0xf) & 0xf;
1020 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1021 
1022 			bg = RBIOS8(dac_info + 0x10) & 0xf;
1023 			dac = RBIOS8(dac_info + 0x11) & 0xf;
1024 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1025 			/* if the values are all zeros, use the table */
1026 			if (tv_dac->ps2_tvdac_adj)
1027 				found = 1;
1028 		} else if (rev > 1) {
1029 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1030 			dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
1031 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1032 
1033 			bg = RBIOS8(dac_info + 0xd) & 0xf;
1034 			dac = (RBIOS8(dac_info + 0xd) >> 4) & 0xf;
1035 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1036 
1037 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1038 			dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
1039 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1040 			/* if the values are all zeros, use the table */
1041 			if (tv_dac->ps2_tvdac_adj)
1042 				found = 1;
1043 		}
1044 		tv_dac->tv_std = radeon_combios_get_tv_info(rdev);
1045 	}
1046 	if (!found) {
1047 		/* then check CRT table */
1048 		dac_info =
1049 		    combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
1050 		if (dac_info) {
1051 			rev = RBIOS8(dac_info) & 0x3;
1052 			if (rev < 2) {
1053 				bg = RBIOS8(dac_info + 0x3) & 0xf;
1054 				dac = (RBIOS8(dac_info + 0x3) >> 4) & 0xf;
1055 				tv_dac->ps2_tvdac_adj =
1056 				    (bg << 16) | (dac << 20);
1057 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1058 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1059 				/* if the values are all zeros, use the table */
1060 				if (tv_dac->ps2_tvdac_adj)
1061 					found = 1;
1062 			} else {
1063 				bg = RBIOS8(dac_info + 0x4) & 0xf;
1064 				dac = RBIOS8(dac_info + 0x5) & 0xf;
1065 				tv_dac->ps2_tvdac_adj =
1066 				    (bg << 16) | (dac << 20);
1067 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1068 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1069 				/* if the values are all zeros, use the table */
1070 				if (tv_dac->ps2_tvdac_adj)
1071 					found = 1;
1072 			}
1073 		} else {
1074 			DRM_INFO("No TV DAC info found in BIOS\n");
1075 		}
1076 	}
1077 
1078 	if (!found) /* fallback to defaults */
1079 		radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
1080 
1081 	return tv_dac;
1082 }
1083 
radeon_legacy_get_lvds_info_from_regs(struct radeon_device * rdev)1084 static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
1085 									 radeon_device
1086 									 *rdev)
1087 {
1088 	struct radeon_encoder_lvds *lvds;
1089 	uint32_t fp_vert_stretch, fp_horz_stretch;
1090 	uint32_t ppll_div_sel, ppll_val;
1091 	uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
1092 
1093 	lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1094 
1095 	if (!lvds)
1096 		return NULL;
1097 
1098 	fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH);
1099 	fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH);
1100 
1101 	/* These should be fail-safe defaults, fingers crossed */
1102 	lvds->panel_pwr_delay = 200;
1103 	lvds->panel_vcc_delay = 2000;
1104 
1105 	lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
1106 	lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf;
1107 	lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf;
1108 
1109 	if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
1110 		lvds->native_mode.vdisplay =
1111 		    ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
1112 		     RADEON_VERT_PANEL_SHIFT) + 1;
1113 	else
1114 		lvds->native_mode.vdisplay =
1115 		    (RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;
1116 
1117 	if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
1118 		lvds->native_mode.hdisplay =
1119 		    (((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
1120 		      RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
1121 	else
1122 		lvds->native_mode.hdisplay =
1123 		    ((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;
1124 
1125 	if ((lvds->native_mode.hdisplay < 640) ||
1126 	    (lvds->native_mode.vdisplay < 480)) {
1127 		lvds->native_mode.hdisplay = 640;
1128 		lvds->native_mode.vdisplay = 480;
1129 	}
1130 
1131 	ppll_div_sel = RREG8(RADEON_CLOCK_CNTL_INDEX + 1) & 0x3;
1132 	ppll_val = RREG32_PLL(RADEON_PPLL_DIV_0 + ppll_div_sel);
1133 	if ((ppll_val & 0x000707ff) == 0x1bb)
1134 		lvds->use_bios_dividers = false;
1135 	else {
1136 		lvds->panel_ref_divider =
1137 		    RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
1138 		lvds->panel_post_divider = (ppll_val >> 16) & 0x7;
1139 		lvds->panel_fb_divider = ppll_val & 0x7ff;
1140 
1141 		if ((lvds->panel_ref_divider != 0) &&
1142 		    (lvds->panel_fb_divider > 3))
1143 			lvds->use_bios_dividers = true;
1144 	}
1145 	lvds->panel_vcc_delay = 200;
1146 
1147 	DRM_INFO("Panel info derived from registers\n");
1148 	DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1149 		 lvds->native_mode.vdisplay);
1150 
1151 	return lvds;
1152 }
1153 
radeon_combios_get_lvds_info(struct radeon_encoder * encoder)1154 struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
1155 							 *encoder)
1156 {
1157 	struct drm_device *dev = encoder->base.dev;
1158 	struct radeon_device *rdev = dev->dev_private;
1159 	uint16_t lcd_info;
1160 	uint32_t panel_setup;
1161 	char stmp[30];
1162 	int tmp, i;
1163 	struct radeon_encoder_lvds *lvds = NULL;
1164 
1165 	lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
1166 
1167 	if (lcd_info) {
1168 		lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1169 
1170 		if (!lvds)
1171 			return NULL;
1172 
1173 		for (i = 0; i < 24; i++)
1174 			stmp[i] = RBIOS8(lcd_info + i + 1);
1175 		stmp[24] = 0;
1176 
1177 		DRM_INFO("Panel ID String: %s\n", stmp);
1178 
1179 		lvds->native_mode.hdisplay = RBIOS16(lcd_info + 0x19);
1180 		lvds->native_mode.vdisplay = RBIOS16(lcd_info + 0x1b);
1181 
1182 		DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1183 			 lvds->native_mode.vdisplay);
1184 
1185 		lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
1186 		lvds->panel_vcc_delay = min_t(u16, lvds->panel_vcc_delay, 2000);
1187 
1188 		lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24);
1189 		lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf;
1190 		lvds->panel_blon_delay = (RBIOS16(lcd_info + 0x38) >> 4) & 0xf;
1191 
1192 		lvds->panel_ref_divider = RBIOS16(lcd_info + 0x2e);
1193 		lvds->panel_post_divider = RBIOS8(lcd_info + 0x30);
1194 		lvds->panel_fb_divider = RBIOS16(lcd_info + 0x31);
1195 		if ((lvds->panel_ref_divider != 0) &&
1196 		    (lvds->panel_fb_divider > 3))
1197 			lvds->use_bios_dividers = true;
1198 
1199 		panel_setup = RBIOS32(lcd_info + 0x39);
1200 		lvds->lvds_gen_cntl = 0xff00;
1201 		if (panel_setup & 0x1)
1202 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
1203 
1204 		if ((panel_setup >> 4) & 0x1)
1205 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
1206 
1207 		switch ((panel_setup >> 8) & 0x7) {
1208 		case 0:
1209 			lvds->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
1210 			break;
1211 		case 1:
1212 			lvds->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
1213 			break;
1214 		case 2:
1215 			lvds->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
1216 			break;
1217 		default:
1218 			break;
1219 		}
1220 
1221 		if ((panel_setup >> 16) & 0x1)
1222 			lvds->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
1223 
1224 		if ((panel_setup >> 17) & 0x1)
1225 			lvds->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
1226 
1227 		if ((panel_setup >> 18) & 0x1)
1228 			lvds->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
1229 
1230 		if ((panel_setup >> 23) & 0x1)
1231 			lvds->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
1232 
1233 		lvds->lvds_gen_cntl |= (panel_setup & 0xf0000000);
1234 
1235 		for (i = 0; i < 32; i++) {
1236 			tmp = RBIOS16(lcd_info + 64 + i * 2);
1237 			if (tmp == 0)
1238 				break;
1239 
1240 			if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
1241 			    (RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) {
1242 				u32 hss = (RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8;
1243 
1244 				if (hss > lvds->native_mode.hdisplay)
1245 					hss = (10 - 1) * 8;
1246 
1247 				lvds->native_mode.htotal = lvds->native_mode.hdisplay +
1248 					(RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8;
1249 				lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
1250 					hss;
1251 				lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
1252 					(RBIOS8(tmp + 23) * 8);
1253 
1254 				lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
1255 					(RBIOS16(tmp + 24) - RBIOS16(tmp + 26));
1256 				lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
1257 					((RBIOS16(tmp + 28) & 0x7ff) - RBIOS16(tmp + 26));
1258 				lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
1259 					((RBIOS16(tmp + 28) & 0xf800) >> 11);
1260 
1261 				lvds->native_mode.clock = RBIOS16(tmp + 9) * 10;
1262 				lvds->native_mode.flags = 0;
1263 				/* set crtc values */
1264 				drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
1265 
1266 			}
1267 		}
1268 	} else {
1269 		DRM_INFO("No panel info found in BIOS\n");
1270 		lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
1271 	}
1272 
1273 	if (lvds)
1274 		encoder->native_mode = lvds->native_mode;
1275 	return lvds;
1276 }
1277 
1278 static const struct radeon_tmds_pll default_tmds_pll[CHIP_LAST][4] = {
1279 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R100  */
1280 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV100 */
1281 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS100 */
1282 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV200 */
1283 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RS200 */
1284 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R200  */
1285 	{{15500, 0x81b}, {0xffffffff, 0x83f}, {0, 0}, {0, 0}},	/* CHIP_RV250 */
1286 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS300 */
1287 	{{13000, 0x400f4}, {15000, 0x400f7}, {0xffffffff, 0x40111}, {0, 0}},	/* CHIP_RV280 */
1288 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R300  */
1289 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R350  */
1290 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV350 */
1291 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV380 */
1292 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R420  */
1293 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R423  */
1294 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RV410 */
1295 	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS400 */
1296 	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS480 */
1297 };
1298 
radeon_legacy_get_tmds_info_from_table(struct radeon_encoder * encoder,struct radeon_encoder_int_tmds * tmds)1299 bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
1300 					    struct radeon_encoder_int_tmds *tmds)
1301 {
1302 	struct drm_device *dev = encoder->base.dev;
1303 	struct radeon_device *rdev = dev->dev_private;
1304 	int i;
1305 
1306 	for (i = 0; i < 4; i++) {
1307 		tmds->tmds_pll[i].value =
1308 			default_tmds_pll[rdev->family][i].value;
1309 		tmds->tmds_pll[i].freq = default_tmds_pll[rdev->family][i].freq;
1310 	}
1311 
1312 	return true;
1313 }
1314 
radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder * encoder,struct radeon_encoder_int_tmds * tmds)1315 bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
1316 					      struct radeon_encoder_int_tmds *tmds)
1317 {
1318 	struct drm_device *dev = encoder->base.dev;
1319 	struct radeon_device *rdev = dev->dev_private;
1320 	uint16_t tmds_info;
1321 	int i, n;
1322 	uint8_t ver;
1323 
1324 	tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1325 
1326 	if (tmds_info) {
1327 		ver = RBIOS8(tmds_info);
1328 		DRM_DEBUG_KMS("DFP table revision: %d\n", ver);
1329 		if (ver == 3) {
1330 			n = RBIOS8(tmds_info + 5) + 1;
1331 			if (n > 4)
1332 				n = 4;
1333 			for (i = 0; i < n; i++) {
1334 				tmds->tmds_pll[i].value =
1335 				    RBIOS32(tmds_info + i * 10 + 0x08);
1336 				tmds->tmds_pll[i].freq =
1337 				    RBIOS16(tmds_info + i * 10 + 0x10);
1338 				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1339 					  tmds->tmds_pll[i].freq,
1340 					  tmds->tmds_pll[i].value);
1341 			}
1342 		} else if (ver == 4) {
1343 			int stride = 0;
1344 			n = RBIOS8(tmds_info + 5) + 1;
1345 			if (n > 4)
1346 				n = 4;
1347 			for (i = 0; i < n; i++) {
1348 				tmds->tmds_pll[i].value =
1349 				    RBIOS32(tmds_info + stride + 0x08);
1350 				tmds->tmds_pll[i].freq =
1351 				    RBIOS16(tmds_info + stride + 0x10);
1352 				if (i == 0)
1353 					stride += 10;
1354 				else
1355 					stride += 6;
1356 				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1357 					  tmds->tmds_pll[i].freq,
1358 					  tmds->tmds_pll[i].value);
1359 			}
1360 		}
1361 	} else {
1362 		DRM_INFO("No TMDS info found in BIOS\n");
1363 		return false;
1364 	}
1365 	return true;
1366 }
1367 
radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder * encoder,struct radeon_encoder_ext_tmds * tmds)1368 bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
1369 						struct radeon_encoder_ext_tmds *tmds)
1370 {
1371 	struct drm_device *dev = encoder->base.dev;
1372 	struct radeon_device *rdev = dev->dev_private;
1373 	struct radeon_i2c_bus_rec i2c_bus;
1374 
1375 	/* default for macs */
1376 	i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1377 	tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1378 
1379 	/* XXX some macs have duallink chips */
1380 	switch (rdev->mode_info.connector_table) {
1381 	case CT_POWERBOOK_EXTERNAL:
1382 	case CT_MINI_EXTERNAL:
1383 	default:
1384 		tmds->dvo_chip = DVO_SIL164;
1385 		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1386 		break;
1387 	}
1388 
1389 	return true;
1390 }
1391 
radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder * encoder,struct radeon_encoder_ext_tmds * tmds)1392 bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
1393 						  struct radeon_encoder_ext_tmds *tmds)
1394 {
1395 	struct drm_device *dev = encoder->base.dev;
1396 	struct radeon_device *rdev = dev->dev_private;
1397 	uint16_t offset;
1398 	uint8_t ver;
1399 	enum radeon_combios_ddc gpio;
1400 	struct radeon_i2c_bus_rec i2c_bus;
1401 
1402 	tmds->i2c_bus = NULL;
1403 	if (rdev->flags & RADEON_IS_IGP) {
1404 		i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1405 		tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1406 		tmds->dvo_chip = DVO_SIL164;
1407 		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1408 	} else {
1409 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
1410 		if (offset) {
1411 			ver = RBIOS8(offset);
1412 			DRM_DEBUG_KMS("External TMDS Table revision: %d\n", ver);
1413 			tmds->slave_addr = RBIOS8(offset + 4 + 2);
1414 			tmds->slave_addr >>= 1; /* 7 bit addressing */
1415 			gpio = RBIOS8(offset + 4 + 3);
1416 			if (gpio == DDC_LCD) {
1417 				/* MM i2c */
1418 				i2c_bus.valid = true;
1419 				i2c_bus.hw_capable = true;
1420 				i2c_bus.mm_i2c = true;
1421 				i2c_bus.i2c_id = 0xa0;
1422 			} else
1423 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
1424 			tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1425 		}
1426 	}
1427 
1428 	if (!tmds->i2c_bus) {
1429 		DRM_INFO("No valid Ext TMDS info found in BIOS\n");
1430 		return false;
1431 	}
1432 
1433 	return true;
1434 }
1435 
radeon_get_legacy_connector_info_from_table(struct drm_device * dev)1436 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
1437 {
1438 	struct radeon_device *rdev = dev->dev_private;
1439 	struct radeon_i2c_bus_rec ddc_i2c;
1440 	struct radeon_hpd hpd;
1441 
1442 	rdev->mode_info.connector_table = radeon_connector_table;
1443 	if (rdev->mode_info.connector_table == CT_NONE) {
1444 #ifdef CONFIG_PPC_PMAC
1445 		if (of_machine_is_compatible("PowerBook3,3")) {
1446 			/* powerbook with VGA */
1447 			rdev->mode_info.connector_table = CT_POWERBOOK_VGA;
1448 		} else if (of_machine_is_compatible("PowerBook3,4") ||
1449 			   of_machine_is_compatible("PowerBook3,5")) {
1450 			/* powerbook with internal tmds */
1451 			rdev->mode_info.connector_table = CT_POWERBOOK_INTERNAL;
1452 		} else if (of_machine_is_compatible("PowerBook5,1") ||
1453 			   of_machine_is_compatible("PowerBook5,2") ||
1454 			   of_machine_is_compatible("PowerBook5,3") ||
1455 			   of_machine_is_compatible("PowerBook5,4") ||
1456 			   of_machine_is_compatible("PowerBook5,5")) {
1457 			/* powerbook with external single link tmds (sil164) */
1458 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1459 		} else if (of_machine_is_compatible("PowerBook5,6")) {
1460 			/* powerbook with external dual or single link tmds */
1461 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1462 		} else if (of_machine_is_compatible("PowerBook5,7") ||
1463 			   of_machine_is_compatible("PowerBook5,8") ||
1464 			   of_machine_is_compatible("PowerBook5,9")) {
1465 			/* PowerBook6,2 ? */
1466 			/* powerbook with external dual link tmds (sil1178?) */
1467 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1468 		} else if (of_machine_is_compatible("PowerBook4,1") ||
1469 			   of_machine_is_compatible("PowerBook4,2") ||
1470 			   of_machine_is_compatible("PowerBook4,3") ||
1471 			   of_machine_is_compatible("PowerBook6,3") ||
1472 			   of_machine_is_compatible("PowerBook6,5") ||
1473 			   of_machine_is_compatible("PowerBook6,7")) {
1474 			/* ibook */
1475 			rdev->mode_info.connector_table = CT_IBOOK;
1476 		} else if (of_machine_is_compatible("PowerMac3,5")) {
1477 			/* PowerMac G4 Silver radeon 7500 */
1478 			rdev->mode_info.connector_table = CT_MAC_G4_SILVER;
1479 		} else if (of_machine_is_compatible("PowerMac4,4")) {
1480 			/* emac */
1481 			rdev->mode_info.connector_table = CT_EMAC;
1482 		} else if (of_machine_is_compatible("PowerMac10,1")) {
1483 			/* mini with internal tmds */
1484 			rdev->mode_info.connector_table = CT_MINI_INTERNAL;
1485 		} else if (of_machine_is_compatible("PowerMac10,2")) {
1486 			/* mini with external tmds */
1487 			rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
1488 		} else if (of_machine_is_compatible("PowerMac12,1")) {
1489 			/* PowerMac8,1 ? */
1490 			/* imac g5 isight */
1491 			rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
1492 		} else if ((rdev->pdev->device == 0x4a48) &&
1493 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1494 			   (rdev->pdev->subsystem_device == 0x4a48)) {
1495 			/* Mac X800 */
1496 			rdev->mode_info.connector_table = CT_MAC_X800;
1497 		} else if ((of_machine_is_compatible("PowerMac7,2") ||
1498 			    of_machine_is_compatible("PowerMac7,3")) &&
1499 			   (rdev->pdev->device == 0x4150) &&
1500 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1501 			   (rdev->pdev->subsystem_device == 0x4150)) {
1502 			/* Mac G5 tower 9600 */
1503 			rdev->mode_info.connector_table = CT_MAC_G5_9600;
1504 		} else if ((rdev->pdev->device == 0x4c66) &&
1505 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1506 			   (rdev->pdev->subsystem_device == 0x4c66)) {
1507 			/* SAM440ep RV250 embedded board */
1508 			rdev->mode_info.connector_table = CT_SAM440EP;
1509 		} else
1510 #endif /* CONFIG_PPC_PMAC */
1511 #ifdef CONFIG_PPC64
1512 		if (ASIC_IS_RN50(rdev))
1513 			rdev->mode_info.connector_table = CT_RN50_POWER;
1514 		else
1515 #endif
1516 			rdev->mode_info.connector_table = CT_GENERIC;
1517 	}
1518 
1519 	switch (rdev->mode_info.connector_table) {
1520 	case CT_GENERIC:
1521 		DRM_INFO("Connector Table: %d (generic)\n",
1522 			 rdev->mode_info.connector_table);
1523 		/* these are the most common settings */
1524 		if (rdev->flags & RADEON_SINGLE_CRTC) {
1525 			/* VGA - primary dac */
1526 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1527 			hpd.hpd = RADEON_HPD_NONE;
1528 			radeon_add_legacy_encoder(dev,
1529 						  radeon_get_encoder_enum(dev,
1530 									ATOM_DEVICE_CRT1_SUPPORT,
1531 									1),
1532 						  ATOM_DEVICE_CRT1_SUPPORT);
1533 			radeon_add_legacy_connector(dev, 0,
1534 						    ATOM_DEVICE_CRT1_SUPPORT,
1535 						    DRM_MODE_CONNECTOR_VGA,
1536 						    &ddc_i2c,
1537 						    CONNECTOR_OBJECT_ID_VGA,
1538 						    &hpd);
1539 		} else if (rdev->flags & RADEON_IS_MOBILITY) {
1540 			/* LVDS */
1541 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
1542 			hpd.hpd = RADEON_HPD_NONE;
1543 			radeon_add_legacy_encoder(dev,
1544 						  radeon_get_encoder_enum(dev,
1545 									ATOM_DEVICE_LCD1_SUPPORT,
1546 									0),
1547 						  ATOM_DEVICE_LCD1_SUPPORT);
1548 			radeon_add_legacy_connector(dev, 0,
1549 						    ATOM_DEVICE_LCD1_SUPPORT,
1550 						    DRM_MODE_CONNECTOR_LVDS,
1551 						    &ddc_i2c,
1552 						    CONNECTOR_OBJECT_ID_LVDS,
1553 						    &hpd);
1554 
1555 			/* VGA - primary dac */
1556 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1557 			hpd.hpd = RADEON_HPD_NONE;
1558 			radeon_add_legacy_encoder(dev,
1559 						  radeon_get_encoder_enum(dev,
1560 									ATOM_DEVICE_CRT1_SUPPORT,
1561 									1),
1562 						  ATOM_DEVICE_CRT1_SUPPORT);
1563 			radeon_add_legacy_connector(dev, 1,
1564 						    ATOM_DEVICE_CRT1_SUPPORT,
1565 						    DRM_MODE_CONNECTOR_VGA,
1566 						    &ddc_i2c,
1567 						    CONNECTOR_OBJECT_ID_VGA,
1568 						    &hpd);
1569 		} else {
1570 			/* DVI-I - tv dac, int tmds */
1571 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1572 			hpd.hpd = RADEON_HPD_1;
1573 			radeon_add_legacy_encoder(dev,
1574 						  radeon_get_encoder_enum(dev,
1575 									ATOM_DEVICE_DFP1_SUPPORT,
1576 									0),
1577 						  ATOM_DEVICE_DFP1_SUPPORT);
1578 			radeon_add_legacy_encoder(dev,
1579 						  radeon_get_encoder_enum(dev,
1580 									ATOM_DEVICE_CRT2_SUPPORT,
1581 									2),
1582 						  ATOM_DEVICE_CRT2_SUPPORT);
1583 			radeon_add_legacy_connector(dev, 0,
1584 						    ATOM_DEVICE_DFP1_SUPPORT |
1585 						    ATOM_DEVICE_CRT2_SUPPORT,
1586 						    DRM_MODE_CONNECTOR_DVII,
1587 						    &ddc_i2c,
1588 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1589 						    &hpd);
1590 
1591 			/* VGA - primary dac */
1592 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1593 			hpd.hpd = RADEON_HPD_NONE;
1594 			radeon_add_legacy_encoder(dev,
1595 						  radeon_get_encoder_enum(dev,
1596 									ATOM_DEVICE_CRT1_SUPPORT,
1597 									1),
1598 						  ATOM_DEVICE_CRT1_SUPPORT);
1599 			radeon_add_legacy_connector(dev, 1,
1600 						    ATOM_DEVICE_CRT1_SUPPORT,
1601 						    DRM_MODE_CONNECTOR_VGA,
1602 						    &ddc_i2c,
1603 						    CONNECTOR_OBJECT_ID_VGA,
1604 						    &hpd);
1605 		}
1606 
1607 		if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1608 			/* TV - tv dac */
1609 			ddc_i2c.valid = false;
1610 			hpd.hpd = RADEON_HPD_NONE;
1611 			radeon_add_legacy_encoder(dev,
1612 						  radeon_get_encoder_enum(dev,
1613 									ATOM_DEVICE_TV1_SUPPORT,
1614 									2),
1615 						  ATOM_DEVICE_TV1_SUPPORT);
1616 			radeon_add_legacy_connector(dev, 2,
1617 						    ATOM_DEVICE_TV1_SUPPORT,
1618 						    DRM_MODE_CONNECTOR_SVIDEO,
1619 						    &ddc_i2c,
1620 						    CONNECTOR_OBJECT_ID_SVIDEO,
1621 						    &hpd);
1622 		}
1623 		break;
1624 	case CT_IBOOK:
1625 		DRM_INFO("Connector Table: %d (ibook)\n",
1626 			 rdev->mode_info.connector_table);
1627 		/* LVDS */
1628 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1629 		hpd.hpd = RADEON_HPD_NONE;
1630 		radeon_add_legacy_encoder(dev,
1631 					  radeon_get_encoder_enum(dev,
1632 								ATOM_DEVICE_LCD1_SUPPORT,
1633 								0),
1634 					  ATOM_DEVICE_LCD1_SUPPORT);
1635 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1636 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1637 					    CONNECTOR_OBJECT_ID_LVDS,
1638 					    &hpd);
1639 		/* VGA - TV DAC */
1640 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1641 		hpd.hpd = RADEON_HPD_NONE;
1642 		radeon_add_legacy_encoder(dev,
1643 					  radeon_get_encoder_enum(dev,
1644 								ATOM_DEVICE_CRT2_SUPPORT,
1645 								2),
1646 					  ATOM_DEVICE_CRT2_SUPPORT);
1647 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1648 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1649 					    CONNECTOR_OBJECT_ID_VGA,
1650 					    &hpd);
1651 		/* TV - TV DAC */
1652 		ddc_i2c.valid = false;
1653 		hpd.hpd = RADEON_HPD_NONE;
1654 		radeon_add_legacy_encoder(dev,
1655 					  radeon_get_encoder_enum(dev,
1656 								ATOM_DEVICE_TV1_SUPPORT,
1657 								2),
1658 					  ATOM_DEVICE_TV1_SUPPORT);
1659 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1660 					    DRM_MODE_CONNECTOR_SVIDEO,
1661 					    &ddc_i2c,
1662 					    CONNECTOR_OBJECT_ID_SVIDEO,
1663 					    &hpd);
1664 		break;
1665 	case CT_POWERBOOK_EXTERNAL:
1666 		DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
1667 			 rdev->mode_info.connector_table);
1668 		/* LVDS */
1669 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1670 		hpd.hpd = RADEON_HPD_NONE;
1671 		radeon_add_legacy_encoder(dev,
1672 					  radeon_get_encoder_enum(dev,
1673 								ATOM_DEVICE_LCD1_SUPPORT,
1674 								0),
1675 					  ATOM_DEVICE_LCD1_SUPPORT);
1676 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1677 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1678 					    CONNECTOR_OBJECT_ID_LVDS,
1679 					    &hpd);
1680 		/* DVI-I - primary dac, ext tmds */
1681 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1682 		hpd.hpd = RADEON_HPD_2; /* ??? */
1683 		radeon_add_legacy_encoder(dev,
1684 					  radeon_get_encoder_enum(dev,
1685 								ATOM_DEVICE_DFP2_SUPPORT,
1686 								0),
1687 					  ATOM_DEVICE_DFP2_SUPPORT);
1688 		radeon_add_legacy_encoder(dev,
1689 					  radeon_get_encoder_enum(dev,
1690 								ATOM_DEVICE_CRT1_SUPPORT,
1691 								1),
1692 					  ATOM_DEVICE_CRT1_SUPPORT);
1693 		/* XXX some are SL */
1694 		radeon_add_legacy_connector(dev, 1,
1695 					    ATOM_DEVICE_DFP2_SUPPORT |
1696 					    ATOM_DEVICE_CRT1_SUPPORT,
1697 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1698 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
1699 					    &hpd);
1700 		/* TV - TV DAC */
1701 		ddc_i2c.valid = false;
1702 		hpd.hpd = RADEON_HPD_NONE;
1703 		radeon_add_legacy_encoder(dev,
1704 					  radeon_get_encoder_enum(dev,
1705 								ATOM_DEVICE_TV1_SUPPORT,
1706 								2),
1707 					  ATOM_DEVICE_TV1_SUPPORT);
1708 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1709 					    DRM_MODE_CONNECTOR_SVIDEO,
1710 					    &ddc_i2c,
1711 					    CONNECTOR_OBJECT_ID_SVIDEO,
1712 					    &hpd);
1713 		break;
1714 	case CT_POWERBOOK_INTERNAL:
1715 		DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
1716 			 rdev->mode_info.connector_table);
1717 		/* LVDS */
1718 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1719 		hpd.hpd = RADEON_HPD_NONE;
1720 		radeon_add_legacy_encoder(dev,
1721 					  radeon_get_encoder_enum(dev,
1722 								ATOM_DEVICE_LCD1_SUPPORT,
1723 								0),
1724 					  ATOM_DEVICE_LCD1_SUPPORT);
1725 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1726 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1727 					    CONNECTOR_OBJECT_ID_LVDS,
1728 					    &hpd);
1729 		/* DVI-I - primary dac, int tmds */
1730 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1731 		hpd.hpd = RADEON_HPD_1; /* ??? */
1732 		radeon_add_legacy_encoder(dev,
1733 					  radeon_get_encoder_enum(dev,
1734 								ATOM_DEVICE_DFP1_SUPPORT,
1735 								0),
1736 					  ATOM_DEVICE_DFP1_SUPPORT);
1737 		radeon_add_legacy_encoder(dev,
1738 					  radeon_get_encoder_enum(dev,
1739 								ATOM_DEVICE_CRT1_SUPPORT,
1740 								1),
1741 					  ATOM_DEVICE_CRT1_SUPPORT);
1742 		radeon_add_legacy_connector(dev, 1,
1743 					    ATOM_DEVICE_DFP1_SUPPORT |
1744 					    ATOM_DEVICE_CRT1_SUPPORT,
1745 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1746 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1747 					    &hpd);
1748 		/* TV - TV DAC */
1749 		ddc_i2c.valid = false;
1750 		hpd.hpd = RADEON_HPD_NONE;
1751 		radeon_add_legacy_encoder(dev,
1752 					  radeon_get_encoder_enum(dev,
1753 								ATOM_DEVICE_TV1_SUPPORT,
1754 								2),
1755 					  ATOM_DEVICE_TV1_SUPPORT);
1756 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1757 					    DRM_MODE_CONNECTOR_SVIDEO,
1758 					    &ddc_i2c,
1759 					    CONNECTOR_OBJECT_ID_SVIDEO,
1760 					    &hpd);
1761 		break;
1762 	case CT_POWERBOOK_VGA:
1763 		DRM_INFO("Connector Table: %d (powerbook vga)\n",
1764 			 rdev->mode_info.connector_table);
1765 		/* LVDS */
1766 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1767 		hpd.hpd = RADEON_HPD_NONE;
1768 		radeon_add_legacy_encoder(dev,
1769 					  radeon_get_encoder_enum(dev,
1770 								ATOM_DEVICE_LCD1_SUPPORT,
1771 								0),
1772 					  ATOM_DEVICE_LCD1_SUPPORT);
1773 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1774 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1775 					    CONNECTOR_OBJECT_ID_LVDS,
1776 					    &hpd);
1777 		/* VGA - primary dac */
1778 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1779 		hpd.hpd = RADEON_HPD_NONE;
1780 		radeon_add_legacy_encoder(dev,
1781 					  radeon_get_encoder_enum(dev,
1782 								ATOM_DEVICE_CRT1_SUPPORT,
1783 								1),
1784 					  ATOM_DEVICE_CRT1_SUPPORT);
1785 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
1786 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1787 					    CONNECTOR_OBJECT_ID_VGA,
1788 					    &hpd);
1789 		/* TV - TV DAC */
1790 		ddc_i2c.valid = false;
1791 		hpd.hpd = RADEON_HPD_NONE;
1792 		radeon_add_legacy_encoder(dev,
1793 					  radeon_get_encoder_enum(dev,
1794 								ATOM_DEVICE_TV1_SUPPORT,
1795 								2),
1796 					  ATOM_DEVICE_TV1_SUPPORT);
1797 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1798 					    DRM_MODE_CONNECTOR_SVIDEO,
1799 					    &ddc_i2c,
1800 					    CONNECTOR_OBJECT_ID_SVIDEO,
1801 					    &hpd);
1802 		break;
1803 	case CT_MINI_EXTERNAL:
1804 		DRM_INFO("Connector Table: %d (mini external tmds)\n",
1805 			 rdev->mode_info.connector_table);
1806 		/* DVI-I - tv dac, ext tmds */
1807 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1808 		hpd.hpd = RADEON_HPD_2; /* ??? */
1809 		radeon_add_legacy_encoder(dev,
1810 					  radeon_get_encoder_enum(dev,
1811 								ATOM_DEVICE_DFP2_SUPPORT,
1812 								0),
1813 					  ATOM_DEVICE_DFP2_SUPPORT);
1814 		radeon_add_legacy_encoder(dev,
1815 					  radeon_get_encoder_enum(dev,
1816 								ATOM_DEVICE_CRT2_SUPPORT,
1817 								2),
1818 					  ATOM_DEVICE_CRT2_SUPPORT);
1819 		/* XXX are any DL? */
1820 		radeon_add_legacy_connector(dev, 0,
1821 					    ATOM_DEVICE_DFP2_SUPPORT |
1822 					    ATOM_DEVICE_CRT2_SUPPORT,
1823 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1824 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1825 					    &hpd);
1826 		/* TV - TV DAC */
1827 		ddc_i2c.valid = false;
1828 		hpd.hpd = RADEON_HPD_NONE;
1829 		radeon_add_legacy_encoder(dev,
1830 					  radeon_get_encoder_enum(dev,
1831 								ATOM_DEVICE_TV1_SUPPORT,
1832 								2),
1833 					  ATOM_DEVICE_TV1_SUPPORT);
1834 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1835 					    DRM_MODE_CONNECTOR_SVIDEO,
1836 					    &ddc_i2c,
1837 					    CONNECTOR_OBJECT_ID_SVIDEO,
1838 					    &hpd);
1839 		break;
1840 	case CT_MINI_INTERNAL:
1841 		DRM_INFO("Connector Table: %d (mini internal tmds)\n",
1842 			 rdev->mode_info.connector_table);
1843 		/* DVI-I - tv dac, int tmds */
1844 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1845 		hpd.hpd = RADEON_HPD_1; /* ??? */
1846 		radeon_add_legacy_encoder(dev,
1847 					  radeon_get_encoder_enum(dev,
1848 								ATOM_DEVICE_DFP1_SUPPORT,
1849 								0),
1850 					  ATOM_DEVICE_DFP1_SUPPORT);
1851 		radeon_add_legacy_encoder(dev,
1852 					  radeon_get_encoder_enum(dev,
1853 								ATOM_DEVICE_CRT2_SUPPORT,
1854 								2),
1855 					  ATOM_DEVICE_CRT2_SUPPORT);
1856 		radeon_add_legacy_connector(dev, 0,
1857 					    ATOM_DEVICE_DFP1_SUPPORT |
1858 					    ATOM_DEVICE_CRT2_SUPPORT,
1859 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1860 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1861 					    &hpd);
1862 		/* TV - TV DAC */
1863 		ddc_i2c.valid = false;
1864 		hpd.hpd = RADEON_HPD_NONE;
1865 		radeon_add_legacy_encoder(dev,
1866 					  radeon_get_encoder_enum(dev,
1867 								ATOM_DEVICE_TV1_SUPPORT,
1868 								2),
1869 					  ATOM_DEVICE_TV1_SUPPORT);
1870 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1871 					    DRM_MODE_CONNECTOR_SVIDEO,
1872 					    &ddc_i2c,
1873 					    CONNECTOR_OBJECT_ID_SVIDEO,
1874 					    &hpd);
1875 		break;
1876 	case CT_IMAC_G5_ISIGHT:
1877 		DRM_INFO("Connector Table: %d (imac g5 isight)\n",
1878 			 rdev->mode_info.connector_table);
1879 		/* DVI-D - int tmds */
1880 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1881 		hpd.hpd = RADEON_HPD_1; /* ??? */
1882 		radeon_add_legacy_encoder(dev,
1883 					  radeon_get_encoder_enum(dev,
1884 								ATOM_DEVICE_DFP1_SUPPORT,
1885 								0),
1886 					  ATOM_DEVICE_DFP1_SUPPORT);
1887 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
1888 					    DRM_MODE_CONNECTOR_DVID, &ddc_i2c,
1889 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
1890 					    &hpd);
1891 		/* VGA - tv dac */
1892 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1893 		hpd.hpd = RADEON_HPD_NONE;
1894 		radeon_add_legacy_encoder(dev,
1895 					  radeon_get_encoder_enum(dev,
1896 								ATOM_DEVICE_CRT2_SUPPORT,
1897 								2),
1898 					  ATOM_DEVICE_CRT2_SUPPORT);
1899 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1900 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1901 					    CONNECTOR_OBJECT_ID_VGA,
1902 					    &hpd);
1903 		/* TV - TV DAC */
1904 		ddc_i2c.valid = false;
1905 		hpd.hpd = RADEON_HPD_NONE;
1906 		radeon_add_legacy_encoder(dev,
1907 					  radeon_get_encoder_enum(dev,
1908 								ATOM_DEVICE_TV1_SUPPORT,
1909 								2),
1910 					  ATOM_DEVICE_TV1_SUPPORT);
1911 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1912 					    DRM_MODE_CONNECTOR_SVIDEO,
1913 					    &ddc_i2c,
1914 					    CONNECTOR_OBJECT_ID_SVIDEO,
1915 					    &hpd);
1916 		break;
1917 	case CT_EMAC:
1918 		DRM_INFO("Connector Table: %d (emac)\n",
1919 			 rdev->mode_info.connector_table);
1920 		/* VGA - primary dac */
1921 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1922 		hpd.hpd = RADEON_HPD_NONE;
1923 		radeon_add_legacy_encoder(dev,
1924 					  radeon_get_encoder_enum(dev,
1925 								ATOM_DEVICE_CRT1_SUPPORT,
1926 								1),
1927 					  ATOM_DEVICE_CRT1_SUPPORT);
1928 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1929 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1930 					    CONNECTOR_OBJECT_ID_VGA,
1931 					    &hpd);
1932 		/* VGA - tv dac */
1933 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1934 		hpd.hpd = RADEON_HPD_NONE;
1935 		radeon_add_legacy_encoder(dev,
1936 					  radeon_get_encoder_enum(dev,
1937 								ATOM_DEVICE_CRT2_SUPPORT,
1938 								2),
1939 					  ATOM_DEVICE_CRT2_SUPPORT);
1940 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1941 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1942 					    CONNECTOR_OBJECT_ID_VGA,
1943 					    &hpd);
1944 		/* TV - TV DAC */
1945 		ddc_i2c.valid = false;
1946 		hpd.hpd = RADEON_HPD_NONE;
1947 		radeon_add_legacy_encoder(dev,
1948 					  radeon_get_encoder_enum(dev,
1949 								ATOM_DEVICE_TV1_SUPPORT,
1950 								2),
1951 					  ATOM_DEVICE_TV1_SUPPORT);
1952 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1953 					    DRM_MODE_CONNECTOR_SVIDEO,
1954 					    &ddc_i2c,
1955 					    CONNECTOR_OBJECT_ID_SVIDEO,
1956 					    &hpd);
1957 		break;
1958 	case CT_RN50_POWER:
1959 		DRM_INFO("Connector Table: %d (rn50-power)\n",
1960 			 rdev->mode_info.connector_table);
1961 		/* VGA - primary dac */
1962 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1963 		hpd.hpd = RADEON_HPD_NONE;
1964 		radeon_add_legacy_encoder(dev,
1965 					  radeon_get_encoder_enum(dev,
1966 								ATOM_DEVICE_CRT1_SUPPORT,
1967 								1),
1968 					  ATOM_DEVICE_CRT1_SUPPORT);
1969 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1970 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1971 					    CONNECTOR_OBJECT_ID_VGA,
1972 					    &hpd);
1973 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1974 		hpd.hpd = RADEON_HPD_NONE;
1975 		radeon_add_legacy_encoder(dev,
1976 					  radeon_get_encoder_enum(dev,
1977 								ATOM_DEVICE_CRT2_SUPPORT,
1978 								2),
1979 					  ATOM_DEVICE_CRT2_SUPPORT);
1980 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1981 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1982 					    CONNECTOR_OBJECT_ID_VGA,
1983 					    &hpd);
1984 		break;
1985 	case CT_MAC_X800:
1986 		DRM_INFO("Connector Table: %d (mac x800)\n",
1987 			 rdev->mode_info.connector_table);
1988 		/* DVI - primary dac, internal tmds */
1989 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1990 		hpd.hpd = RADEON_HPD_1; /* ??? */
1991 		radeon_add_legacy_encoder(dev,
1992 					  radeon_get_encoder_enum(dev,
1993 								  ATOM_DEVICE_DFP1_SUPPORT,
1994 								  0),
1995 					  ATOM_DEVICE_DFP1_SUPPORT);
1996 		radeon_add_legacy_encoder(dev,
1997 					  radeon_get_encoder_enum(dev,
1998 								  ATOM_DEVICE_CRT1_SUPPORT,
1999 								  1),
2000 					  ATOM_DEVICE_CRT1_SUPPORT);
2001 		radeon_add_legacy_connector(dev, 0,
2002 					    ATOM_DEVICE_DFP1_SUPPORT |
2003 					    ATOM_DEVICE_CRT1_SUPPORT,
2004 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2005 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2006 					    &hpd);
2007 		/* DVI - tv dac, dvo */
2008 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2009 		hpd.hpd = RADEON_HPD_2; /* ??? */
2010 		radeon_add_legacy_encoder(dev,
2011 					  radeon_get_encoder_enum(dev,
2012 								  ATOM_DEVICE_DFP2_SUPPORT,
2013 								  0),
2014 					  ATOM_DEVICE_DFP2_SUPPORT);
2015 		radeon_add_legacy_encoder(dev,
2016 					  radeon_get_encoder_enum(dev,
2017 								  ATOM_DEVICE_CRT2_SUPPORT,
2018 								  2),
2019 					  ATOM_DEVICE_CRT2_SUPPORT);
2020 		radeon_add_legacy_connector(dev, 1,
2021 					    ATOM_DEVICE_DFP2_SUPPORT |
2022 					    ATOM_DEVICE_CRT2_SUPPORT,
2023 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2024 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
2025 					    &hpd);
2026 		break;
2027 	case CT_MAC_G5_9600:
2028 		DRM_INFO("Connector Table: %d (mac g5 9600)\n",
2029 			 rdev->mode_info.connector_table);
2030 		/* DVI - tv dac, dvo */
2031 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2032 		hpd.hpd = RADEON_HPD_1; /* ??? */
2033 		radeon_add_legacy_encoder(dev,
2034 					  radeon_get_encoder_enum(dev,
2035 								  ATOM_DEVICE_DFP2_SUPPORT,
2036 								  0),
2037 					  ATOM_DEVICE_DFP2_SUPPORT);
2038 		radeon_add_legacy_encoder(dev,
2039 					  radeon_get_encoder_enum(dev,
2040 								  ATOM_DEVICE_CRT2_SUPPORT,
2041 								  2),
2042 					  ATOM_DEVICE_CRT2_SUPPORT);
2043 		radeon_add_legacy_connector(dev, 0,
2044 					    ATOM_DEVICE_DFP2_SUPPORT |
2045 					    ATOM_DEVICE_CRT2_SUPPORT,
2046 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2047 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2048 					    &hpd);
2049 		/* ADC - primary dac, internal tmds */
2050 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2051 		hpd.hpd = RADEON_HPD_2; /* ??? */
2052 		radeon_add_legacy_encoder(dev,
2053 					  radeon_get_encoder_enum(dev,
2054 								  ATOM_DEVICE_DFP1_SUPPORT,
2055 								  0),
2056 					  ATOM_DEVICE_DFP1_SUPPORT);
2057 		radeon_add_legacy_encoder(dev,
2058 					  radeon_get_encoder_enum(dev,
2059 								  ATOM_DEVICE_CRT1_SUPPORT,
2060 								  1),
2061 					  ATOM_DEVICE_CRT1_SUPPORT);
2062 		radeon_add_legacy_connector(dev, 1,
2063 					    ATOM_DEVICE_DFP1_SUPPORT |
2064 					    ATOM_DEVICE_CRT1_SUPPORT,
2065 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2066 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2067 					    &hpd);
2068 		/* TV - TV DAC */
2069 		ddc_i2c.valid = false;
2070 		hpd.hpd = RADEON_HPD_NONE;
2071 		radeon_add_legacy_encoder(dev,
2072 					  radeon_get_encoder_enum(dev,
2073 								ATOM_DEVICE_TV1_SUPPORT,
2074 								2),
2075 					  ATOM_DEVICE_TV1_SUPPORT);
2076 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2077 					    DRM_MODE_CONNECTOR_SVIDEO,
2078 					    &ddc_i2c,
2079 					    CONNECTOR_OBJECT_ID_SVIDEO,
2080 					    &hpd);
2081 		break;
2082 	case CT_SAM440EP:
2083 		DRM_INFO("Connector Table: %d (SAM440ep embedded board)\n",
2084 			 rdev->mode_info.connector_table);
2085 		/* LVDS */
2086 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
2087 		hpd.hpd = RADEON_HPD_NONE;
2088 		radeon_add_legacy_encoder(dev,
2089 					  radeon_get_encoder_enum(dev,
2090 								ATOM_DEVICE_LCD1_SUPPORT,
2091 								0),
2092 					  ATOM_DEVICE_LCD1_SUPPORT);
2093 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
2094 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
2095 					    CONNECTOR_OBJECT_ID_LVDS,
2096 					    &hpd);
2097 		/* DVI-I - secondary dac, int tmds */
2098 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2099 		hpd.hpd = RADEON_HPD_1; /* ??? */
2100 		radeon_add_legacy_encoder(dev,
2101 					  radeon_get_encoder_enum(dev,
2102 								ATOM_DEVICE_DFP1_SUPPORT,
2103 								0),
2104 					  ATOM_DEVICE_DFP1_SUPPORT);
2105 		radeon_add_legacy_encoder(dev,
2106 					  radeon_get_encoder_enum(dev,
2107 								ATOM_DEVICE_CRT2_SUPPORT,
2108 								2),
2109 					  ATOM_DEVICE_CRT2_SUPPORT);
2110 		radeon_add_legacy_connector(dev, 1,
2111 					    ATOM_DEVICE_DFP1_SUPPORT |
2112 					    ATOM_DEVICE_CRT2_SUPPORT,
2113 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2114 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2115 					    &hpd);
2116 		/* VGA - primary dac */
2117 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2118 		hpd.hpd = RADEON_HPD_NONE;
2119 		radeon_add_legacy_encoder(dev,
2120 					  radeon_get_encoder_enum(dev,
2121 								ATOM_DEVICE_CRT1_SUPPORT,
2122 								1),
2123 					  ATOM_DEVICE_CRT1_SUPPORT);
2124 		radeon_add_legacy_connector(dev, 2,
2125 					    ATOM_DEVICE_CRT1_SUPPORT,
2126 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2127 					    CONNECTOR_OBJECT_ID_VGA,
2128 					    &hpd);
2129 		/* TV - TV DAC */
2130 		ddc_i2c.valid = false;
2131 		hpd.hpd = RADEON_HPD_NONE;
2132 		radeon_add_legacy_encoder(dev,
2133 					  radeon_get_encoder_enum(dev,
2134 								ATOM_DEVICE_TV1_SUPPORT,
2135 								2),
2136 					  ATOM_DEVICE_TV1_SUPPORT);
2137 		radeon_add_legacy_connector(dev, 3, ATOM_DEVICE_TV1_SUPPORT,
2138 					    DRM_MODE_CONNECTOR_SVIDEO,
2139 					    &ddc_i2c,
2140 					    CONNECTOR_OBJECT_ID_SVIDEO,
2141 					    &hpd);
2142 		break;
2143 	case CT_MAC_G4_SILVER:
2144 		DRM_INFO("Connector Table: %d (mac g4 silver)\n",
2145 			 rdev->mode_info.connector_table);
2146 		/* DVI-I - tv dac, int tmds */
2147 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2148 		hpd.hpd = RADEON_HPD_1; /* ??? */
2149 		radeon_add_legacy_encoder(dev,
2150 					  radeon_get_encoder_enum(dev,
2151 								ATOM_DEVICE_DFP1_SUPPORT,
2152 								0),
2153 					  ATOM_DEVICE_DFP1_SUPPORT);
2154 		radeon_add_legacy_encoder(dev,
2155 					  radeon_get_encoder_enum(dev,
2156 								ATOM_DEVICE_CRT2_SUPPORT,
2157 								2),
2158 					  ATOM_DEVICE_CRT2_SUPPORT);
2159 		radeon_add_legacy_connector(dev, 0,
2160 					    ATOM_DEVICE_DFP1_SUPPORT |
2161 					    ATOM_DEVICE_CRT2_SUPPORT,
2162 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2163 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2164 					    &hpd);
2165 		/* VGA - primary dac */
2166 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2167 		hpd.hpd = RADEON_HPD_NONE;
2168 		radeon_add_legacy_encoder(dev,
2169 					  radeon_get_encoder_enum(dev,
2170 								ATOM_DEVICE_CRT1_SUPPORT,
2171 								1),
2172 					  ATOM_DEVICE_CRT1_SUPPORT);
2173 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
2174 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2175 					    CONNECTOR_OBJECT_ID_VGA,
2176 					    &hpd);
2177 		/* TV - TV DAC */
2178 		ddc_i2c.valid = false;
2179 		hpd.hpd = RADEON_HPD_NONE;
2180 		radeon_add_legacy_encoder(dev,
2181 					  radeon_get_encoder_enum(dev,
2182 								ATOM_DEVICE_TV1_SUPPORT,
2183 								2),
2184 					  ATOM_DEVICE_TV1_SUPPORT);
2185 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2186 					    DRM_MODE_CONNECTOR_SVIDEO,
2187 					    &ddc_i2c,
2188 					    CONNECTOR_OBJECT_ID_SVIDEO,
2189 					    &hpd);
2190 		break;
2191 	default:
2192 		DRM_INFO("Connector table: %d (invalid)\n",
2193 			 rdev->mode_info.connector_table);
2194 		return false;
2195 	}
2196 
2197 	radeon_link_encoder_connector(dev);
2198 
2199 	return true;
2200 }
2201 
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)2202 static bool radeon_apply_legacy_quirks(struct drm_device *dev,
2203 				       int bios_index,
2204 				       enum radeon_combios_connector
2205 				       *legacy_connector,
2206 				       struct radeon_i2c_bus_rec *ddc_i2c,
2207 				       struct radeon_hpd *hpd)
2208 {
2209 	struct radeon_device *rdev = dev->dev_private;
2210 
2211 	/* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
2212 	   one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
2213 	if (rdev->pdev->device == 0x515e &&
2214 	    rdev->pdev->subsystem_vendor == 0x1014) {
2215 		if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
2216 		    ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
2217 			return false;
2218 	}
2219 
2220 	/* X300 card with extra non-existent DVI port */
2221 	if (rdev->pdev->device == 0x5B60 &&
2222 	    rdev->pdev->subsystem_vendor == 0x17af &&
2223 	    rdev->pdev->subsystem_device == 0x201e && bios_index == 2) {
2224 		if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
2225 			return false;
2226 	}
2227 
2228 	return true;
2229 }
2230 
radeon_apply_legacy_tv_quirks(struct drm_device * dev)2231 static bool radeon_apply_legacy_tv_quirks(struct drm_device *dev)
2232 {
2233 	struct radeon_device *rdev = dev->dev_private;
2234 
2235 	/* Acer 5102 has non-existent TV port */
2236 	if (rdev->pdev->device == 0x5975 &&
2237 	    rdev->pdev->subsystem_vendor == 0x1025 &&
2238 	    rdev->pdev->subsystem_device == 0x009f)
2239 		return false;
2240 
2241 	/* HP dc5750 has non-existent TV port */
2242 	if (rdev->pdev->device == 0x5974 &&
2243 	    rdev->pdev->subsystem_vendor == 0x103c &&
2244 	    rdev->pdev->subsystem_device == 0x280a)
2245 		return false;
2246 
2247 	/* MSI S270 has non-existent TV port */
2248 	if (rdev->pdev->device == 0x5955 &&
2249 	    rdev->pdev->subsystem_vendor == 0x1462 &&
2250 	    rdev->pdev->subsystem_device == 0x0131)
2251 		return false;
2252 
2253 	return true;
2254 }
2255 
combios_check_dl_dvi(struct drm_device * dev,int is_dvi_d)2256 static uint16_t combios_check_dl_dvi(struct drm_device *dev, int is_dvi_d)
2257 {
2258 	struct radeon_device *rdev = dev->dev_private;
2259 	uint32_t ext_tmds_info;
2260 
2261 	if (rdev->flags & RADEON_IS_IGP) {
2262 		if (is_dvi_d)
2263 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2264 		else
2265 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2266 	}
2267 	ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2268 	if (ext_tmds_info) {
2269 		uint8_t rev = RBIOS8(ext_tmds_info);
2270 		uint8_t flags = RBIOS8(ext_tmds_info + 4 + 5);
2271 		if (rev >= 3) {
2272 			if (is_dvi_d)
2273 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2274 			else
2275 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2276 		} else {
2277 			if (flags & 1) {
2278 				if (is_dvi_d)
2279 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2280 				else
2281 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2282 			}
2283 		}
2284 	}
2285 	if (is_dvi_d)
2286 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2287 	else
2288 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2289 }
2290 
radeon_get_legacy_connector_info_from_bios(struct drm_device * dev)2291 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
2292 {
2293 	struct radeon_device *rdev = dev->dev_private;
2294 	uint32_t conn_info, entry, devices;
2295 	uint16_t tmp, connector_object_id;
2296 	enum radeon_combios_ddc ddc_type;
2297 	enum radeon_combios_connector connector;
2298 	int i = 0;
2299 	struct radeon_i2c_bus_rec ddc_i2c;
2300 	struct radeon_hpd hpd;
2301 
2302 	conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
2303 	if (conn_info) {
2304 		for (i = 0; i < 4; i++) {
2305 			entry = conn_info + 2 + i * 2;
2306 
2307 			if (!RBIOS16(entry))
2308 				break;
2309 
2310 			tmp = RBIOS16(entry);
2311 
2312 			connector = (tmp >> 12) & 0xf;
2313 
2314 			ddc_type = (tmp >> 8) & 0xf;
2315 			if (ddc_type == 5)
2316 				ddc_i2c = radeon_combios_get_i2c_info_from_table(rdev);
2317 			else
2318 				ddc_i2c = combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2319 
2320 			switch (connector) {
2321 			case CONNECTOR_PROPRIETARY_LEGACY:
2322 			case CONNECTOR_DVI_I_LEGACY:
2323 			case CONNECTOR_DVI_D_LEGACY:
2324 				if ((tmp >> 4) & 0x1)
2325 					hpd.hpd = RADEON_HPD_2;
2326 				else
2327 					hpd.hpd = RADEON_HPD_1;
2328 				break;
2329 			default:
2330 				hpd.hpd = RADEON_HPD_NONE;
2331 				break;
2332 			}
2333 
2334 			if (!radeon_apply_legacy_quirks(dev, i, &connector,
2335 							&ddc_i2c, &hpd))
2336 				continue;
2337 
2338 			switch (connector) {
2339 			case CONNECTOR_PROPRIETARY_LEGACY:
2340 				if ((tmp >> 4) & 0x1)
2341 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2342 				else
2343 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2344 				radeon_add_legacy_encoder(dev,
2345 							  radeon_get_encoder_enum
2346 							  (dev, devices, 0),
2347 							  devices);
2348 				radeon_add_legacy_connector(dev, i, devices,
2349 							    legacy_connector_convert
2350 							    [connector],
2351 							    &ddc_i2c,
2352 							    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
2353 							    &hpd);
2354 				break;
2355 			case CONNECTOR_CRT_LEGACY:
2356 				if (tmp & 0x1) {
2357 					devices = ATOM_DEVICE_CRT2_SUPPORT;
2358 					radeon_add_legacy_encoder(dev,
2359 								  radeon_get_encoder_enum
2360 								  (dev,
2361 								   ATOM_DEVICE_CRT2_SUPPORT,
2362 								   2),
2363 								  ATOM_DEVICE_CRT2_SUPPORT);
2364 				} else {
2365 					devices = ATOM_DEVICE_CRT1_SUPPORT;
2366 					radeon_add_legacy_encoder(dev,
2367 								  radeon_get_encoder_enum
2368 								  (dev,
2369 								   ATOM_DEVICE_CRT1_SUPPORT,
2370 								   1),
2371 								  ATOM_DEVICE_CRT1_SUPPORT);
2372 				}
2373 				radeon_add_legacy_connector(dev,
2374 							    i,
2375 							    devices,
2376 							    legacy_connector_convert
2377 							    [connector],
2378 							    &ddc_i2c,
2379 							    CONNECTOR_OBJECT_ID_VGA,
2380 							    &hpd);
2381 				break;
2382 			case CONNECTOR_DVI_I_LEGACY:
2383 				devices = 0;
2384 				if (tmp & 0x1) {
2385 					devices |= ATOM_DEVICE_CRT2_SUPPORT;
2386 					radeon_add_legacy_encoder(dev,
2387 								  radeon_get_encoder_enum
2388 								  (dev,
2389 								   ATOM_DEVICE_CRT2_SUPPORT,
2390 								   2),
2391 								  ATOM_DEVICE_CRT2_SUPPORT);
2392 				} else {
2393 					devices |= ATOM_DEVICE_CRT1_SUPPORT;
2394 					radeon_add_legacy_encoder(dev,
2395 								  radeon_get_encoder_enum
2396 								  (dev,
2397 								   ATOM_DEVICE_CRT1_SUPPORT,
2398 								   1),
2399 								  ATOM_DEVICE_CRT1_SUPPORT);
2400 				}
2401 				/* RV100 board with external TDMS bit mis-set.
2402 				 * Actually uses internal TMDS, clear the bit.
2403 				 */
2404 				if (rdev->pdev->device == 0x5159 &&
2405 				    rdev->pdev->subsystem_vendor == 0x1014 &&
2406 				    rdev->pdev->subsystem_device == 0x029A) {
2407 					tmp &= ~(1 << 4);
2408 				}
2409 				if ((tmp >> 4) & 0x1) {
2410 					devices |= ATOM_DEVICE_DFP2_SUPPORT;
2411 					radeon_add_legacy_encoder(dev,
2412 								  radeon_get_encoder_enum
2413 								  (dev,
2414 								   ATOM_DEVICE_DFP2_SUPPORT,
2415 								   0),
2416 								  ATOM_DEVICE_DFP2_SUPPORT);
2417 					connector_object_id = combios_check_dl_dvi(dev, 0);
2418 				} else {
2419 					devices |= ATOM_DEVICE_DFP1_SUPPORT;
2420 					radeon_add_legacy_encoder(dev,
2421 								  radeon_get_encoder_enum
2422 								  (dev,
2423 								   ATOM_DEVICE_DFP1_SUPPORT,
2424 								   0),
2425 								  ATOM_DEVICE_DFP1_SUPPORT);
2426 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2427 				}
2428 				radeon_add_legacy_connector(dev,
2429 							    i,
2430 							    devices,
2431 							    legacy_connector_convert
2432 							    [connector],
2433 							    &ddc_i2c,
2434 							    connector_object_id,
2435 							    &hpd);
2436 				break;
2437 			case CONNECTOR_DVI_D_LEGACY:
2438 				if ((tmp >> 4) & 0x1) {
2439 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2440 					connector_object_id = combios_check_dl_dvi(dev, 1);
2441 				} else {
2442 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2443 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2444 				}
2445 				radeon_add_legacy_encoder(dev,
2446 							  radeon_get_encoder_enum
2447 							  (dev, devices, 0),
2448 							  devices);
2449 				radeon_add_legacy_connector(dev, i, devices,
2450 							    legacy_connector_convert
2451 							    [connector],
2452 							    &ddc_i2c,
2453 							    connector_object_id,
2454 							    &hpd);
2455 				break;
2456 			case CONNECTOR_CTV_LEGACY:
2457 			case CONNECTOR_STV_LEGACY:
2458 				radeon_add_legacy_encoder(dev,
2459 							  radeon_get_encoder_enum
2460 							  (dev,
2461 							   ATOM_DEVICE_TV1_SUPPORT,
2462 							   2),
2463 							  ATOM_DEVICE_TV1_SUPPORT);
2464 				radeon_add_legacy_connector(dev, i,
2465 							    ATOM_DEVICE_TV1_SUPPORT,
2466 							    legacy_connector_convert
2467 							    [connector],
2468 							    &ddc_i2c,
2469 							    CONNECTOR_OBJECT_ID_SVIDEO,
2470 							    &hpd);
2471 				break;
2472 			default:
2473 				DRM_ERROR("Unknown connector type: %d\n",
2474 					  connector);
2475 				continue;
2476 			}
2477 
2478 		}
2479 	} else {
2480 		uint16_t tmds_info =
2481 		    combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
2482 		if (tmds_info) {
2483 			DRM_DEBUG_KMS("Found DFP table, assuming DVI connector\n");
2484 
2485 			radeon_add_legacy_encoder(dev,
2486 						  radeon_get_encoder_enum(dev,
2487 									ATOM_DEVICE_CRT1_SUPPORT,
2488 									1),
2489 						  ATOM_DEVICE_CRT1_SUPPORT);
2490 			radeon_add_legacy_encoder(dev,
2491 						  radeon_get_encoder_enum(dev,
2492 									ATOM_DEVICE_DFP1_SUPPORT,
2493 									0),
2494 						  ATOM_DEVICE_DFP1_SUPPORT);
2495 
2496 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2497 			hpd.hpd = RADEON_HPD_1;
2498 			radeon_add_legacy_connector(dev,
2499 						    0,
2500 						    ATOM_DEVICE_CRT1_SUPPORT |
2501 						    ATOM_DEVICE_DFP1_SUPPORT,
2502 						    DRM_MODE_CONNECTOR_DVII,
2503 						    &ddc_i2c,
2504 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2505 						    &hpd);
2506 		} else {
2507 			uint16_t crt_info =
2508 				combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
2509 			DRM_DEBUG_KMS("Found CRT table, assuming VGA connector\n");
2510 			if (crt_info) {
2511 				radeon_add_legacy_encoder(dev,
2512 							  radeon_get_encoder_enum(dev,
2513 										ATOM_DEVICE_CRT1_SUPPORT,
2514 										1),
2515 							  ATOM_DEVICE_CRT1_SUPPORT);
2516 				ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2517 				hpd.hpd = RADEON_HPD_NONE;
2518 				radeon_add_legacy_connector(dev,
2519 							    0,
2520 							    ATOM_DEVICE_CRT1_SUPPORT,
2521 							    DRM_MODE_CONNECTOR_VGA,
2522 							    &ddc_i2c,
2523 							    CONNECTOR_OBJECT_ID_VGA,
2524 							    &hpd);
2525 			} else {
2526 				DRM_DEBUG_KMS("No connector info found\n");
2527 				return false;
2528 			}
2529 		}
2530 	}
2531 
2532 	if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
2533 		uint16_t lcd_info =
2534 		    combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
2535 		if (lcd_info) {
2536 			uint16_t lcd_ddc_info =
2537 			    combios_get_table_offset(dev,
2538 						     COMBIOS_LCD_DDC_INFO_TABLE);
2539 
2540 			radeon_add_legacy_encoder(dev,
2541 						  radeon_get_encoder_enum(dev,
2542 									ATOM_DEVICE_LCD1_SUPPORT,
2543 									0),
2544 						  ATOM_DEVICE_LCD1_SUPPORT);
2545 
2546 			if (lcd_ddc_info) {
2547 				ddc_type = RBIOS8(lcd_ddc_info + 2);
2548 				switch (ddc_type) {
2549 				case DDC_LCD:
2550 					ddc_i2c =
2551 						combios_setup_i2c_bus(rdev,
2552 								      DDC_LCD,
2553 								      RBIOS32(lcd_ddc_info + 3),
2554 								      RBIOS32(lcd_ddc_info + 7));
2555 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2556 					break;
2557 				case DDC_GPIO:
2558 					ddc_i2c =
2559 						combios_setup_i2c_bus(rdev,
2560 								      DDC_GPIO,
2561 								      RBIOS32(lcd_ddc_info + 3),
2562 								      RBIOS32(lcd_ddc_info + 7));
2563 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2564 					break;
2565 				default:
2566 					ddc_i2c =
2567 						combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2568 					break;
2569 				}
2570 				DRM_DEBUG_KMS("LCD DDC Info Table found!\n");
2571 			} else
2572 				ddc_i2c.valid = false;
2573 
2574 			hpd.hpd = RADEON_HPD_NONE;
2575 			radeon_add_legacy_connector(dev,
2576 						    5,
2577 						    ATOM_DEVICE_LCD1_SUPPORT,
2578 						    DRM_MODE_CONNECTOR_LVDS,
2579 						    &ddc_i2c,
2580 						    CONNECTOR_OBJECT_ID_LVDS,
2581 						    &hpd);
2582 		}
2583 	}
2584 
2585 	/* check TV table */
2586 	if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
2587 		uint32_t tv_info =
2588 		    combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
2589 		if (tv_info) {
2590 			if (RBIOS8(tv_info + 6) == 'T') {
2591 				if (radeon_apply_legacy_tv_quirks(dev)) {
2592 					hpd.hpd = RADEON_HPD_NONE;
2593 					ddc_i2c.valid = false;
2594 					radeon_add_legacy_encoder(dev,
2595 								  radeon_get_encoder_enum
2596 								  (dev,
2597 								   ATOM_DEVICE_TV1_SUPPORT,
2598 								   2),
2599 								  ATOM_DEVICE_TV1_SUPPORT);
2600 					radeon_add_legacy_connector(dev, 6,
2601 								    ATOM_DEVICE_TV1_SUPPORT,
2602 								    DRM_MODE_CONNECTOR_SVIDEO,
2603 								    &ddc_i2c,
2604 								    CONNECTOR_OBJECT_ID_SVIDEO,
2605 								    &hpd);
2606 				}
2607 			}
2608 		}
2609 	}
2610 
2611 	radeon_link_encoder_connector(dev);
2612 
2613 	return true;
2614 }
2615 
2616 static const char *thermal_controller_names[] = {
2617 	"NONE",
2618 	"lm63",
2619 	"adm1032",
2620 };
2621 
radeon_combios_get_power_modes(struct radeon_device * rdev)2622 void radeon_combios_get_power_modes(struct radeon_device *rdev)
2623 {
2624 	struct drm_device *dev = rdev_to_drm(rdev);
2625 	u16 offset, misc, misc2 = 0;
2626 	u8 rev, tmp;
2627 	int state_index = 0;
2628 	struct radeon_i2c_bus_rec i2c_bus;
2629 
2630 	rdev->pm.default_power_state_index = -1;
2631 
2632 	/* allocate 2 power states */
2633 	rdev->pm.power_state = kcalloc(2, sizeof(struct radeon_power_state),
2634 				       GFP_KERNEL);
2635 	if (rdev->pm.power_state) {
2636 		/* allocate 1 clock mode per state */
2637 		rdev->pm.power_state[0].clock_info =
2638 			kcalloc(1, sizeof(struct radeon_pm_clock_info),
2639 				GFP_KERNEL);
2640 		rdev->pm.power_state[1].clock_info =
2641 			kcalloc(1, sizeof(struct radeon_pm_clock_info),
2642 				GFP_KERNEL);
2643 		if (!rdev->pm.power_state[0].clock_info ||
2644 		    !rdev->pm.power_state[1].clock_info)
2645 			goto pm_failed;
2646 	} else
2647 		goto pm_failed;
2648 
2649 	/* check for a thermal chip */
2650 	offset = combios_get_table_offset(dev, COMBIOS_OVERDRIVE_INFO_TABLE);
2651 	if (offset) {
2652 		u8 thermal_controller = 0, gpio = 0, i2c_addr = 0, clk_bit = 0, data_bit = 0;
2653 
2654 		rev = RBIOS8(offset);
2655 
2656 		if (rev == 0) {
2657 			thermal_controller = RBIOS8(offset + 3);
2658 			gpio = RBIOS8(offset + 4) & 0x3f;
2659 			i2c_addr = RBIOS8(offset + 5);
2660 		} else if (rev == 1) {
2661 			thermal_controller = RBIOS8(offset + 4);
2662 			gpio = RBIOS8(offset + 5) & 0x3f;
2663 			i2c_addr = RBIOS8(offset + 6);
2664 		} else if (rev == 2) {
2665 			thermal_controller = RBIOS8(offset + 4);
2666 			gpio = RBIOS8(offset + 5) & 0x3f;
2667 			i2c_addr = RBIOS8(offset + 6);
2668 			clk_bit = RBIOS8(offset + 0xa);
2669 			data_bit = RBIOS8(offset + 0xb);
2670 		}
2671 		if ((thermal_controller > 0) && (thermal_controller < 3)) {
2672 			DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2673 				 thermal_controller_names[thermal_controller],
2674 				 i2c_addr >> 1);
2675 			if (gpio == DDC_LCD) {
2676 				/* MM i2c */
2677 				i2c_bus.valid = true;
2678 				i2c_bus.hw_capable = true;
2679 				i2c_bus.mm_i2c = true;
2680 				i2c_bus.i2c_id = 0xa0;
2681 			} else if (gpio == DDC_GPIO)
2682 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 1 << clk_bit, 1 << data_bit);
2683 			else
2684 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
2685 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2686 			if (rdev->pm.i2c_bus) {
2687 				struct i2c_board_info info = { };
2688 				const char *name = thermal_controller_names[thermal_controller];
2689 				info.addr = i2c_addr >> 1;
2690 				strscpy(info.type, name, sizeof(info.type));
2691 				i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info);
2692 			}
2693 		}
2694 	} else {
2695 		/* boards with a thermal chip, but no overdrive table */
2696 
2697 		/* Asus 9600xt has an f75375 on the monid bus */
2698 		if ((rdev->pdev->device == 0x4152) &&
2699 		    (rdev->pdev->subsystem_vendor == 0x1043) &&
2700 		    (rdev->pdev->subsystem_device == 0xc002)) {
2701 			i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2702 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2703 			if (rdev->pm.i2c_bus) {
2704 				struct i2c_board_info info = { };
2705 				const char *name = "f75375";
2706 				info.addr = 0x28;
2707 				strscpy(info.type, name, sizeof(info.type));
2708 				i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info);
2709 				DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2710 					 name, info.addr);
2711 			}
2712 		}
2713 	}
2714 
2715 	if (rdev->flags & RADEON_IS_MOBILITY) {
2716 		offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
2717 		if (offset) {
2718 			rev = RBIOS8(offset);
2719 			/* power mode 0 tends to be the only valid one */
2720 			rdev->pm.power_state[state_index].num_clock_modes = 1;
2721 			rdev->pm.power_state[state_index].clock_info[0].mclk = RBIOS32(offset + 0x5 + 0x2);
2722 			rdev->pm.power_state[state_index].clock_info[0].sclk = RBIOS32(offset + 0x5 + 0x6);
2723 			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2724 			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2725 				goto default_mode;
2726 			rdev->pm.power_state[state_index].type =
2727 				POWER_STATE_TYPE_BATTERY;
2728 			misc = RBIOS16(offset + 0x5 + 0x0);
2729 			if (rev > 4)
2730 				misc2 = RBIOS16(offset + 0x5 + 0xe);
2731 			rdev->pm.power_state[state_index].misc = misc;
2732 			rdev->pm.power_state[state_index].misc2 = misc2;
2733 			if (misc & 0x4) {
2734 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
2735 				if (misc & 0x8)
2736 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2737 						true;
2738 				else
2739 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2740 						false;
2741 				rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = true;
2742 				if (rev < 6) {
2743 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2744 						RBIOS16(offset + 0x5 + 0xb) * 4;
2745 					tmp = RBIOS8(offset + 0x5 + 0xd);
2746 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2747 				} else {
2748 					u8 entries = RBIOS8(offset + 0x5 + 0xb);
2749 					u16 voltage_table_offset = RBIOS16(offset + 0x5 + 0xc);
2750 					if (entries && voltage_table_offset) {
2751 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2752 							RBIOS16(voltage_table_offset) * 4;
2753 						tmp = RBIOS8(voltage_table_offset + 0x2);
2754 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2755 					} else
2756 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = false;
2757 				}
2758 				switch ((misc2 & 0x700) >> 8) {
2759 				case 0:
2760 				default:
2761 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 0;
2762 					break;
2763 				case 1:
2764 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 33;
2765 					break;
2766 				case 2:
2767 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 66;
2768 					break;
2769 				case 3:
2770 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 99;
2771 					break;
2772 				case 4:
2773 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 132;
2774 					break;
2775 				}
2776 			} else
2777 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2778 			if (rev > 6)
2779 				rdev->pm.power_state[state_index].pcie_lanes =
2780 					RBIOS8(offset + 0x5 + 0x10);
2781 			rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2782 			state_index++;
2783 		} else {
2784 			/* XXX figure out some good default low power mode for mobility cards w/out power tables */
2785 		}
2786 	} else {
2787 		/* XXX figure out some good default low power mode for desktop cards */
2788 	}
2789 
2790 default_mode:
2791 	/* add the default mode */
2792 	rdev->pm.power_state[state_index].type =
2793 		POWER_STATE_TYPE_DEFAULT;
2794 	rdev->pm.power_state[state_index].num_clock_modes = 1;
2795 	rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
2796 	rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
2797 	rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
2798 	if ((state_index > 0) &&
2799 	    (rdev->pm.power_state[0].clock_info[0].voltage.type == VOLTAGE_GPIO))
2800 		rdev->pm.power_state[state_index].clock_info[0].voltage =
2801 			rdev->pm.power_state[0].clock_info[0].voltage;
2802 	else
2803 		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2804 	rdev->pm.power_state[state_index].pcie_lanes = 16;
2805 	rdev->pm.power_state[state_index].flags = 0;
2806 	rdev->pm.default_power_state_index = state_index;
2807 	rdev->pm.num_power_states = state_index + 1;
2808 
2809 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2810 	rdev->pm.current_clock_mode_index = 0;
2811 	return;
2812 
2813 pm_failed:
2814 	rdev->pm.default_power_state_index = state_index;
2815 	rdev->pm.num_power_states = 0;
2816 
2817 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2818 	rdev->pm.current_clock_mode_index = 0;
2819 }
2820 
radeon_external_tmds_setup(struct drm_encoder * encoder)2821 void radeon_external_tmds_setup(struct drm_encoder *encoder)
2822 {
2823 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2824 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2825 
2826 	if (!tmds)
2827 		return;
2828 
2829 	switch (tmds->dvo_chip) {
2830 	case DVO_SIL164:
2831 		/* sil 164 */
2832 		radeon_i2c_put_byte(tmds->i2c_bus,
2833 				    tmds->slave_addr,
2834 				    0x08, 0x30);
2835 		radeon_i2c_put_byte(tmds->i2c_bus,
2836 				       tmds->slave_addr,
2837 				       0x09, 0x00);
2838 		radeon_i2c_put_byte(tmds->i2c_bus,
2839 				    tmds->slave_addr,
2840 				    0x0a, 0x90);
2841 		radeon_i2c_put_byte(tmds->i2c_bus,
2842 				    tmds->slave_addr,
2843 				    0x0c, 0x89);
2844 		radeon_i2c_put_byte(tmds->i2c_bus,
2845 				       tmds->slave_addr,
2846 				       0x08, 0x3b);
2847 		break;
2848 	case DVO_SIL1178:
2849 		/* sil 1178 - untested */
2850 		/*
2851 		 * 0x0f, 0x44
2852 		 * 0x0f, 0x4c
2853 		 * 0x0e, 0x01
2854 		 * 0x0a, 0x80
2855 		 * 0x09, 0x30
2856 		 * 0x0c, 0xc9
2857 		 * 0x0d, 0x70
2858 		 * 0x08, 0x32
2859 		 * 0x08, 0x33
2860 		 */
2861 		break;
2862 	default:
2863 		break;
2864 	}
2865 
2866 }
2867 
radeon_combios_external_tmds_setup(struct drm_encoder * encoder)2868 bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
2869 {
2870 	struct drm_device *dev = encoder->dev;
2871 	struct radeon_device *rdev = dev->dev_private;
2872 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2873 	uint16_t offset;
2874 	uint8_t blocks, slave_addr, rev;
2875 	uint32_t index, id;
2876 	uint32_t reg, val, and_mask, or_mask;
2877 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2878 
2879 	if (!tmds)
2880 		return false;
2881 
2882 	if (rdev->flags & RADEON_IS_IGP) {
2883 		offset = combios_get_table_offset(dev, COMBIOS_TMDS_POWER_ON_TABLE);
2884 		rev = RBIOS8(offset);
2885 		if (offset) {
2886 			rev = RBIOS8(offset);
2887 			if (rev > 1) {
2888 				blocks = RBIOS8(offset + 3);
2889 				index = offset + 4;
2890 				while (blocks > 0) {
2891 					id = RBIOS16(index);
2892 					index += 2;
2893 					switch (id >> 13) {
2894 					case 0:
2895 						reg = (id & 0x1fff) * 4;
2896 						val = RBIOS32(index);
2897 						index += 4;
2898 						WREG32(reg, val);
2899 						break;
2900 					case 2:
2901 						reg = (id & 0x1fff) * 4;
2902 						and_mask = RBIOS32(index);
2903 						index += 4;
2904 						or_mask = RBIOS32(index);
2905 						index += 4;
2906 						val = RREG32(reg);
2907 						val = (val & and_mask) | or_mask;
2908 						WREG32(reg, val);
2909 						break;
2910 					case 3:
2911 						val = RBIOS16(index);
2912 						index += 2;
2913 						udelay(val);
2914 						break;
2915 					case 4:
2916 						val = RBIOS16(index);
2917 						index += 2;
2918 						mdelay(val);
2919 						break;
2920 					case 6:
2921 						slave_addr = id & 0xff;
2922 						slave_addr >>= 1; /* 7 bit addressing */
2923 						index++;
2924 						reg = RBIOS8(index);
2925 						index++;
2926 						val = RBIOS8(index);
2927 						index++;
2928 						radeon_i2c_put_byte(tmds->i2c_bus,
2929 								    slave_addr,
2930 								    reg, val);
2931 						break;
2932 					default:
2933 						DRM_ERROR("Unknown id %d\n", id >> 13);
2934 						break;
2935 					}
2936 					blocks--;
2937 				}
2938 				return true;
2939 			}
2940 		}
2941 	} else {
2942 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2943 		if (offset) {
2944 			index = offset + 10;
2945 			id = RBIOS16(index);
2946 			while (id != 0xffff) {
2947 				index += 2;
2948 				switch (id >> 13) {
2949 				case 0:
2950 					reg = (id & 0x1fff) * 4;
2951 					val = RBIOS32(index);
2952 					WREG32(reg, val);
2953 					break;
2954 				case 2:
2955 					reg = (id & 0x1fff) * 4;
2956 					and_mask = RBIOS32(index);
2957 					index += 4;
2958 					or_mask = RBIOS32(index);
2959 					index += 4;
2960 					val = RREG32(reg);
2961 					val = (val & and_mask) | or_mask;
2962 					WREG32(reg, val);
2963 					break;
2964 				case 4:
2965 					val = RBIOS16(index);
2966 					index += 2;
2967 					udelay(val);
2968 					break;
2969 				case 5:
2970 					reg = id & 0x1fff;
2971 					and_mask = RBIOS32(index);
2972 					index += 4;
2973 					or_mask = RBIOS32(index);
2974 					index += 4;
2975 					val = RREG32_PLL(reg);
2976 					val = (val & and_mask) | or_mask;
2977 					WREG32_PLL(reg, val);
2978 					break;
2979 				case 6:
2980 					reg = id & 0x1fff;
2981 					val = RBIOS8(index);
2982 					index += 1;
2983 					radeon_i2c_put_byte(tmds->i2c_bus,
2984 							    tmds->slave_addr,
2985 							    reg, val);
2986 					break;
2987 				default:
2988 					DRM_ERROR("Unknown id %d\n", id >> 13);
2989 					break;
2990 				}
2991 				id = RBIOS16(index);
2992 			}
2993 			return true;
2994 		}
2995 	}
2996 	return false;
2997 }
2998 
combios_parse_mmio_table(struct drm_device * dev,uint16_t offset)2999 static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
3000 {
3001 	struct radeon_device *rdev = dev->dev_private;
3002 
3003 	if (offset) {
3004 		while (RBIOS16(offset)) {
3005 			uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
3006 			uint32_t addr = (RBIOS16(offset) & 0x1fff);
3007 			uint32_t val, and_mask, or_mask;
3008 			uint32_t tmp;
3009 
3010 			offset += 2;
3011 			switch (cmd) {
3012 			case 0:
3013 				val = RBIOS32(offset);
3014 				offset += 4;
3015 				WREG32(addr, val);
3016 				break;
3017 			case 1:
3018 				val = RBIOS32(offset);
3019 				offset += 4;
3020 				WREG32(addr, val);
3021 				break;
3022 			case 2:
3023 				and_mask = RBIOS32(offset);
3024 				offset += 4;
3025 				or_mask = RBIOS32(offset);
3026 				offset += 4;
3027 				tmp = RREG32(addr);
3028 				tmp &= and_mask;
3029 				tmp |= or_mask;
3030 				WREG32(addr, tmp);
3031 				break;
3032 			case 3:
3033 				and_mask = RBIOS32(offset);
3034 				offset += 4;
3035 				or_mask = RBIOS32(offset);
3036 				offset += 4;
3037 				tmp = RREG32(addr);
3038 				tmp &= and_mask;
3039 				tmp |= or_mask;
3040 				WREG32(addr, tmp);
3041 				break;
3042 			case 4:
3043 				val = RBIOS16(offset);
3044 				offset += 2;
3045 				udelay(val);
3046 				break;
3047 			case 5:
3048 				val = RBIOS16(offset);
3049 				offset += 2;
3050 				switch (addr) {
3051 				case 8:
3052 					while (val--) {
3053 						if (!
3054 						    (RREG32_PLL
3055 						     (RADEON_CLK_PWRMGT_CNTL) &
3056 						     RADEON_MC_BUSY))
3057 							break;
3058 					}
3059 					break;
3060 				case 9:
3061 					while (val--) {
3062 						if ((RREG32(RADEON_MC_STATUS) &
3063 						     RADEON_MC_IDLE))
3064 							break;
3065 					}
3066 					break;
3067 				default:
3068 					break;
3069 				}
3070 				break;
3071 			default:
3072 				break;
3073 			}
3074 		}
3075 	}
3076 }
3077 
combios_parse_pll_table(struct drm_device * dev,uint16_t offset)3078 static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
3079 {
3080 	struct radeon_device *rdev = dev->dev_private;
3081 
3082 	if (offset) {
3083 		while (RBIOS8(offset)) {
3084 			uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
3085 			uint8_t addr = (RBIOS8(offset) & 0x3f);
3086 			uint32_t val, shift, tmp;
3087 			uint32_t and_mask, or_mask;
3088 
3089 			offset++;
3090 			switch (cmd) {
3091 			case 0:
3092 				val = RBIOS32(offset);
3093 				offset += 4;
3094 				WREG32_PLL(addr, val);
3095 				break;
3096 			case 1:
3097 				shift = RBIOS8(offset) * 8;
3098 				offset++;
3099 				and_mask = RBIOS8(offset) << shift;
3100 				and_mask |= ~(0xff << shift);
3101 				offset++;
3102 				or_mask = RBIOS8(offset) << shift;
3103 				offset++;
3104 				tmp = RREG32_PLL(addr);
3105 				tmp &= and_mask;
3106 				tmp |= or_mask;
3107 				WREG32_PLL(addr, tmp);
3108 				break;
3109 			case 2:
3110 			case 3:
3111 				tmp = 1000;
3112 				switch (addr) {
3113 				case 1:
3114 					udelay(150);
3115 					break;
3116 				case 2:
3117 					mdelay(1);
3118 					break;
3119 				case 3:
3120 					while (tmp--) {
3121 						if (!
3122 						    (RREG32_PLL
3123 						     (RADEON_CLK_PWRMGT_CNTL) &
3124 						     RADEON_MC_BUSY))
3125 							break;
3126 					}
3127 					break;
3128 				case 4:
3129 					while (tmp--) {
3130 						if (RREG32_PLL
3131 						    (RADEON_CLK_PWRMGT_CNTL) &
3132 						    RADEON_DLL_READY)
3133 							break;
3134 					}
3135 					break;
3136 				case 5:
3137 					tmp =
3138 					    RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
3139 					if (tmp & RADEON_CG_NO1_DEBUG_0) {
3140 #if 0
3141 						uint32_t mclk_cntl =
3142 						    RREG32_PLL
3143 						    (RADEON_MCLK_CNTL);
3144 						mclk_cntl &= 0xffff0000;
3145 						/*mclk_cntl |= 0x00001111;*//* ??? */
3146 						WREG32_PLL(RADEON_MCLK_CNTL,
3147 							   mclk_cntl);
3148 						mdelay(10);
3149 #endif
3150 						WREG32_PLL
3151 						    (RADEON_CLK_PWRMGT_CNTL,
3152 						     tmp &
3153 						     ~RADEON_CG_NO1_DEBUG_0);
3154 						mdelay(10);
3155 					}
3156 					break;
3157 				default:
3158 					break;
3159 				}
3160 				break;
3161 			default:
3162 				break;
3163 			}
3164 		}
3165 	}
3166 }
3167 
combios_parse_ram_reset_table(struct drm_device * dev,uint16_t offset)3168 static void combios_parse_ram_reset_table(struct drm_device *dev,
3169 					  uint16_t offset)
3170 {
3171 	struct radeon_device *rdev = dev->dev_private;
3172 	uint32_t tmp;
3173 
3174 	if (offset) {
3175 		uint8_t val = RBIOS8(offset);
3176 		while (val != 0xff) {
3177 			offset++;
3178 
3179 			if (val == 0x0f) {
3180 				uint32_t channel_complete_mask;
3181 
3182 				if (ASIC_IS_R300(rdev))
3183 					channel_complete_mask =
3184 					    R300_MEM_PWRUP_COMPLETE;
3185 				else
3186 					channel_complete_mask =
3187 					    RADEON_MEM_PWRUP_COMPLETE;
3188 				tmp = 20000;
3189 				while (tmp--) {
3190 					if ((RREG32(RADEON_MEM_STR_CNTL) &
3191 					     channel_complete_mask) ==
3192 					    channel_complete_mask)
3193 						break;
3194 				}
3195 			} else {
3196 				uint32_t or_mask = RBIOS16(offset);
3197 				offset += 2;
3198 
3199 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3200 				tmp &= RADEON_SDRAM_MODE_MASK;
3201 				tmp |= or_mask;
3202 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3203 
3204 				or_mask = val << 24;
3205 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3206 				tmp &= RADEON_B3MEM_RESET_MASK;
3207 				tmp |= or_mask;
3208 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3209 			}
3210 			val = RBIOS8(offset);
3211 		}
3212 	}
3213 }
3214 
combios_detect_ram(struct drm_device * dev,int ram,int mem_addr_mapping)3215 static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
3216 				   int mem_addr_mapping)
3217 {
3218 	struct radeon_device *rdev = dev->dev_private;
3219 	uint32_t mem_cntl;
3220 	uint32_t mem_size;
3221 	uint32_t addr = 0;
3222 
3223 	mem_cntl = RREG32(RADEON_MEM_CNTL);
3224 	if (mem_cntl & RV100_HALF_MODE)
3225 		ram /= 2;
3226 	mem_size = ram;
3227 	mem_cntl &= ~(0xff << 8);
3228 	mem_cntl |= (mem_addr_mapping & 0xff) << 8;
3229 	WREG32(RADEON_MEM_CNTL, mem_cntl);
3230 	RREG32(RADEON_MEM_CNTL);
3231 
3232 	/* sdram reset ? */
3233 
3234 	/* something like this????  */
3235 	while (ram--) {
3236 		addr = ram * 1024 * 1024;
3237 		/* write to each page */
3238 		WREG32_IDX((addr) | RADEON_MM_APER, 0xdeadbeef);
3239 		/* read back and verify */
3240 		if (RREG32_IDX((addr) | RADEON_MM_APER) != 0xdeadbeef)
3241 			return 0;
3242 	}
3243 
3244 	return mem_size;
3245 }
3246 
combios_write_ram_size(struct drm_device * dev)3247 static void combios_write_ram_size(struct drm_device *dev)
3248 {
3249 	struct radeon_device *rdev = dev->dev_private;
3250 	uint8_t rev;
3251 	uint16_t offset;
3252 	uint32_t mem_size = 0;
3253 	uint32_t mem_cntl = 0;
3254 
3255 	/* should do something smarter here I guess... */
3256 	if (rdev->flags & RADEON_IS_IGP)
3257 		return;
3258 
3259 	/* first check detected mem table */
3260 	offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
3261 	if (offset) {
3262 		rev = RBIOS8(offset);
3263 		if (rev < 3) {
3264 			mem_cntl = RBIOS32(offset + 1);
3265 			mem_size = RBIOS16(offset + 5);
3266 			if ((rdev->family < CHIP_R200) &&
3267 			    !ASIC_IS_RN50(rdev))
3268 				WREG32(RADEON_MEM_CNTL, mem_cntl);
3269 		}
3270 	}
3271 
3272 	if (!mem_size) {
3273 		offset =
3274 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
3275 		if (offset) {
3276 			rev = RBIOS8(offset - 1);
3277 			if (rev < 1) {
3278 				if ((rdev->family < CHIP_R200)
3279 				    && !ASIC_IS_RN50(rdev)) {
3280 					int ram = 0;
3281 					int mem_addr_mapping = 0;
3282 
3283 					while (RBIOS8(offset)) {
3284 						ram = RBIOS8(offset);
3285 						mem_addr_mapping =
3286 						    RBIOS8(offset + 1);
3287 						if (mem_addr_mapping != 0x25)
3288 							ram *= 2;
3289 						mem_size =
3290 						    combios_detect_ram(dev, ram,
3291 								       mem_addr_mapping);
3292 						if (mem_size)
3293 							break;
3294 						offset += 2;
3295 					}
3296 				} else
3297 					mem_size = RBIOS8(offset);
3298 			} else {
3299 				mem_size = RBIOS8(offset);
3300 				mem_size *= 2;	/* convert to MB */
3301 			}
3302 		}
3303 	}
3304 
3305 	mem_size *= (1024 * 1024);	/* convert to bytes */
3306 	WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
3307 }
3308 
radeon_combios_asic_init(struct drm_device * dev)3309 void radeon_combios_asic_init(struct drm_device *dev)
3310 {
3311 	struct radeon_device *rdev = dev->dev_private;
3312 	uint16_t table;
3313 
3314 	/* port hardcoded mac stuff from radeonfb */
3315 	if (rdev->bios == NULL)
3316 		return;
3317 
3318 	/* ASIC INIT 1 */
3319 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE);
3320 	if (table)
3321 		combios_parse_mmio_table(dev, table);
3322 
3323 	/* PLL INIT */
3324 	table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE);
3325 	if (table)
3326 		combios_parse_pll_table(dev, table);
3327 
3328 	/* ASIC INIT 2 */
3329 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE);
3330 	if (table)
3331 		combios_parse_mmio_table(dev, table);
3332 
3333 	if (!(rdev->flags & RADEON_IS_IGP)) {
3334 		/* ASIC INIT 4 */
3335 		table =
3336 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE);
3337 		if (table)
3338 			combios_parse_mmio_table(dev, table);
3339 
3340 		/* RAM RESET */
3341 		table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE);
3342 		if (table)
3343 			combios_parse_ram_reset_table(dev, table);
3344 
3345 		/* ASIC INIT 3 */
3346 		table =
3347 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE);
3348 		if (table)
3349 			combios_parse_mmio_table(dev, table);
3350 
3351 		/* write CONFIG_MEMSIZE */
3352 		combios_write_ram_size(dev);
3353 	}
3354 
3355 	/* quirk for rs4xx HP nx6125 laptop to make it resume
3356 	 * - it hangs on resume inside the dynclk 1 table.
3357 	 */
3358 	if (rdev->family == CHIP_RS480 &&
3359 	    rdev->pdev->subsystem_vendor == 0x103c &&
3360 	    rdev->pdev->subsystem_device == 0x308b)
3361 		return;
3362 
3363 	/* quirk for rs4xx HP dv5000 laptop to make it resume
3364 	 * - it hangs on resume inside the dynclk 1 table.
3365 	 */
3366 	if (rdev->family == CHIP_RS480 &&
3367 	    rdev->pdev->subsystem_vendor == 0x103c &&
3368 	    rdev->pdev->subsystem_device == 0x30a4)
3369 		return;
3370 
3371 	/* quirk for rs4xx Compaq Presario V5245EU laptop to make it resume
3372 	 * - it hangs on resume inside the dynclk 1 table.
3373 	 */
3374 	if (rdev->family == CHIP_RS480 &&
3375 	    rdev->pdev->subsystem_vendor == 0x103c &&
3376 	    rdev->pdev->subsystem_device == 0x30ae)
3377 		return;
3378 
3379 	/* quirk for rs4xx HP Compaq dc5750 Small Form Factor to make it resume
3380 	 * - it hangs on resume inside the dynclk 1 table.
3381 	 */
3382 	if (rdev->family == CHIP_RS480 &&
3383 	    rdev->pdev->subsystem_vendor == 0x103c &&
3384 	    rdev->pdev->subsystem_device == 0x280a)
3385 		return;
3386 	/* quirk for rs4xx Toshiba Sattellite L20-183 latop to make it resume
3387 	 * - it hangs on resume inside the dynclk 1 table.
3388 	 */
3389 	if (rdev->family == CHIP_RS400 &&
3390 	    rdev->pdev->subsystem_vendor == 0x1179 &&
3391 	    rdev->pdev->subsystem_device == 0xff31)
3392 	        return;
3393 
3394 	/* DYN CLK 1 */
3395 	table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3396 	if (table)
3397 		combios_parse_pll_table(dev, table);
3398 
3399 }
3400 
radeon_combios_initialize_bios_scratch_regs(struct drm_device * dev)3401 void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
3402 {
3403 	struct radeon_device *rdev = dev->dev_private;
3404 	uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
3405 
3406 	bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
3407 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3408 	bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
3409 
3410 	/* let the bios control the backlight */
3411 	bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
3412 
3413 	/* tell the bios not to handle mode switching */
3414 	bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
3415 			   RADEON_ACC_MODE_CHANGE);
3416 
3417 	/* tell the bios a driver is loaded */
3418 	bios_7_scratch |= RADEON_DRV_LOADED;
3419 
3420 	WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
3421 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3422 	WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
3423 }
3424 
radeon_combios_output_lock(struct drm_encoder * encoder,bool lock)3425 void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
3426 {
3427 	struct drm_device *dev = encoder->dev;
3428 	struct radeon_device *rdev = dev->dev_private;
3429 	uint32_t bios_6_scratch;
3430 
3431 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3432 
3433 	if (lock)
3434 		bios_6_scratch |= RADEON_DRIVER_CRITICAL;
3435 	else
3436 		bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
3437 
3438 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3439 }
3440 
3441 void
radeon_combios_connected_scratch_regs(struct drm_connector * connector,struct drm_encoder * encoder,bool connected)3442 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
3443 				      struct drm_encoder *encoder,
3444 				      bool connected)
3445 {
3446 	struct drm_device *dev = connector->dev;
3447 	struct radeon_device *rdev = dev->dev_private;
3448 	struct radeon_connector *radeon_connector =
3449 	    to_radeon_connector(connector);
3450 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3451 	uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
3452 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3453 
3454 	if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
3455 	    (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
3456 		if (connected) {
3457 			DRM_DEBUG_KMS("TV1 connected\n");
3458 			/* fix me */
3459 			bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
3460 			/*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
3461 			bios_5_scratch |= RADEON_TV1_ON;
3462 			bios_5_scratch |= RADEON_ACC_REQ_TV1;
3463 		} else {
3464 			DRM_DEBUG_KMS("TV1 disconnected\n");
3465 			bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
3466 			bios_5_scratch &= ~RADEON_TV1_ON;
3467 			bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
3468 		}
3469 	}
3470 	if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
3471 	    (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
3472 		if (connected) {
3473 			DRM_DEBUG_KMS("LCD1 connected\n");
3474 			bios_4_scratch |= RADEON_LCD1_ATTACHED;
3475 			bios_5_scratch |= RADEON_LCD1_ON;
3476 			bios_5_scratch |= RADEON_ACC_REQ_LCD1;
3477 		} else {
3478 			DRM_DEBUG_KMS("LCD1 disconnected\n");
3479 			bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
3480 			bios_5_scratch &= ~RADEON_LCD1_ON;
3481 			bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
3482 		}
3483 	}
3484 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
3485 	    (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
3486 		if (connected) {
3487 			DRM_DEBUG_KMS("CRT1 connected\n");
3488 			bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
3489 			bios_5_scratch |= RADEON_CRT1_ON;
3490 			bios_5_scratch |= RADEON_ACC_REQ_CRT1;
3491 		} else {
3492 			DRM_DEBUG_KMS("CRT1 disconnected\n");
3493 			bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
3494 			bios_5_scratch &= ~RADEON_CRT1_ON;
3495 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
3496 		}
3497 	}
3498 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
3499 	    (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
3500 		if (connected) {
3501 			DRM_DEBUG_KMS("CRT2 connected\n");
3502 			bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
3503 			bios_5_scratch |= RADEON_CRT2_ON;
3504 			bios_5_scratch |= RADEON_ACC_REQ_CRT2;
3505 		} else {
3506 			DRM_DEBUG_KMS("CRT2 disconnected\n");
3507 			bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
3508 			bios_5_scratch &= ~RADEON_CRT2_ON;
3509 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
3510 		}
3511 	}
3512 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
3513 	    (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
3514 		if (connected) {
3515 			DRM_DEBUG_KMS("DFP1 connected\n");
3516 			bios_4_scratch |= RADEON_DFP1_ATTACHED;
3517 			bios_5_scratch |= RADEON_DFP1_ON;
3518 			bios_5_scratch |= RADEON_ACC_REQ_DFP1;
3519 		} else {
3520 			DRM_DEBUG_KMS("DFP1 disconnected\n");
3521 			bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
3522 			bios_5_scratch &= ~RADEON_DFP1_ON;
3523 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
3524 		}
3525 	}
3526 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
3527 	    (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
3528 		if (connected) {
3529 			DRM_DEBUG_KMS("DFP2 connected\n");
3530 			bios_4_scratch |= RADEON_DFP2_ATTACHED;
3531 			bios_5_scratch |= RADEON_DFP2_ON;
3532 			bios_5_scratch |= RADEON_ACC_REQ_DFP2;
3533 		} else {
3534 			DRM_DEBUG_KMS("DFP2 disconnected\n");
3535 			bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
3536 			bios_5_scratch &= ~RADEON_DFP2_ON;
3537 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
3538 		}
3539 	}
3540 	WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
3541 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3542 }
3543 
3544 void
radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder * encoder,int crtc)3545 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
3546 {
3547 	struct drm_device *dev = encoder->dev;
3548 	struct radeon_device *rdev = dev->dev_private;
3549 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3550 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3551 
3552 	if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
3553 		bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
3554 		bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
3555 	}
3556 	if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
3557 		bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
3558 		bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
3559 	}
3560 	if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
3561 		bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
3562 		bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
3563 	}
3564 	if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
3565 		bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
3566 		bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
3567 	}
3568 	if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
3569 		bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
3570 		bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
3571 	}
3572 	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
3573 		bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
3574 		bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
3575 	}
3576 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3577 }
3578 
3579 void
radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder * encoder,bool on)3580 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
3581 {
3582 	struct drm_device *dev = encoder->dev;
3583 	struct radeon_device *rdev = dev->dev_private;
3584 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3585 	uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3586 
3587 	if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
3588 		if (on)
3589 			bios_6_scratch |= RADEON_TV_DPMS_ON;
3590 		else
3591 			bios_6_scratch &= ~RADEON_TV_DPMS_ON;
3592 	}
3593 	if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3594 		if (on)
3595 			bios_6_scratch |= RADEON_CRT_DPMS_ON;
3596 		else
3597 			bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
3598 	}
3599 	if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3600 		if (on)
3601 			bios_6_scratch |= RADEON_LCD_DPMS_ON;
3602 		else
3603 			bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
3604 	}
3605 	if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
3606 		if (on)
3607 			bios_6_scratch |= RADEON_DFP_DPMS_ON;
3608 		else
3609 			bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
3610 	}
3611 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3612 }
3613