1 /*
2  * Copyright 2004 ATI Technologies Inc., Markham, Ontario
3  * Copyright 2007-8 Advanced Micro Devices, Inc.
4  * Copyright 2008 Red Hat Inc.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: Dave Airlie
25  *          Alex Deucher
26  */
27 #include "drmP.h"
28 #include "radeon_drm.h"
29 #include "radeon.h"
30 #include "atom.h"
31 
32 #ifdef CONFIG_PPC_PMAC
33 /* not sure which of these are needed */
34 #include <asm/machdep.h>
35 #include <asm/pmac_feature.h>
36 #include <asm/prom.h>
37 #include <asm/pci-bridge.h>
38 #endif /* CONFIG_PPC_PMAC */
39 
40 /* from radeon_encoder.c */
41 extern uint32_t
42 radeon_get_encoder_enum(struct drm_device *dev, uint32_t supported_device,
43 			uint8_t dac);
44 extern void radeon_link_encoder_connector(struct drm_device *dev);
45 
46 /* from radeon_connector.c */
47 extern void
48 radeon_add_legacy_connector(struct drm_device *dev,
49 			    uint32_t connector_id,
50 			    uint32_t supported_device,
51 			    int connector_type,
52 			    struct radeon_i2c_bus_rec *i2c_bus,
53 			    uint16_t connector_object_id,
54 			    struct radeon_hpd *hpd);
55 
56 /* from radeon_legacy_encoder.c */
57 extern void
58 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum,
59 			  uint32_t supported_device);
60 
61 /* old legacy ATI BIOS routines */
62 
63 /* COMBIOS table offsets */
64 enum radeon_combios_table_offset {
65 	/* absolute offset tables */
66 	COMBIOS_ASIC_INIT_1_TABLE,
67 	COMBIOS_BIOS_SUPPORT_TABLE,
68 	COMBIOS_DAC_PROGRAMMING_TABLE,
69 	COMBIOS_MAX_COLOR_DEPTH_TABLE,
70 	COMBIOS_CRTC_INFO_TABLE,
71 	COMBIOS_PLL_INFO_TABLE,
72 	COMBIOS_TV_INFO_TABLE,
73 	COMBIOS_DFP_INFO_TABLE,
74 	COMBIOS_HW_CONFIG_INFO_TABLE,
75 	COMBIOS_MULTIMEDIA_INFO_TABLE,
76 	COMBIOS_TV_STD_PATCH_TABLE,
77 	COMBIOS_LCD_INFO_TABLE,
78 	COMBIOS_MOBILE_INFO_TABLE,
79 	COMBIOS_PLL_INIT_TABLE,
80 	COMBIOS_MEM_CONFIG_TABLE,
81 	COMBIOS_SAVE_MASK_TABLE,
82 	COMBIOS_HARDCODED_EDID_TABLE,
83 	COMBIOS_ASIC_INIT_2_TABLE,
84 	COMBIOS_CONNECTOR_INFO_TABLE,
85 	COMBIOS_DYN_CLK_1_TABLE,
86 	COMBIOS_RESERVED_MEM_TABLE,
87 	COMBIOS_EXT_TMDS_INFO_TABLE,
88 	COMBIOS_MEM_CLK_INFO_TABLE,
89 	COMBIOS_EXT_DAC_INFO_TABLE,
90 	COMBIOS_MISC_INFO_TABLE,
91 	COMBIOS_CRT_INFO_TABLE,
92 	COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE,
93 	COMBIOS_COMPONENT_VIDEO_INFO_TABLE,
94 	COMBIOS_FAN_SPEED_INFO_TABLE,
95 	COMBIOS_OVERDRIVE_INFO_TABLE,
96 	COMBIOS_OEM_INFO_TABLE,
97 	COMBIOS_DYN_CLK_2_TABLE,
98 	COMBIOS_POWER_CONNECTOR_INFO_TABLE,
99 	COMBIOS_I2C_INFO_TABLE,
100 	/* relative offset tables */
101 	COMBIOS_ASIC_INIT_3_TABLE,	/* offset from misc info */
102 	COMBIOS_ASIC_INIT_4_TABLE,	/* offset from misc info */
103 	COMBIOS_DETECTED_MEM_TABLE,	/* offset from misc info */
104 	COMBIOS_ASIC_INIT_5_TABLE,	/* offset from misc info */
105 	COMBIOS_RAM_RESET_TABLE,	/* offset from mem config */
106 	COMBIOS_POWERPLAY_INFO_TABLE,	/* offset from mobile info */
107 	COMBIOS_GPIO_INFO_TABLE,	/* offset from mobile info */
108 	COMBIOS_LCD_DDC_INFO_TABLE,	/* offset from mobile info */
109 	COMBIOS_TMDS_POWER_TABLE,	/* offset from mobile info */
110 	COMBIOS_TMDS_POWER_ON_TABLE,	/* offset from tmds power */
111 	COMBIOS_TMDS_POWER_OFF_TABLE,	/* offset from tmds power */
112 };
113 
114 enum radeon_combios_ddc {
115 	DDC_NONE_DETECTED,
116 	DDC_MONID,
117 	DDC_DVI,
118 	DDC_VGA,
119 	DDC_CRT2,
120 	DDC_LCD,
121 	DDC_GPIO,
122 };
123 
124 enum radeon_combios_connector {
125 	CONNECTOR_NONE_LEGACY,
126 	CONNECTOR_PROPRIETARY_LEGACY,
127 	CONNECTOR_CRT_LEGACY,
128 	CONNECTOR_DVI_I_LEGACY,
129 	CONNECTOR_DVI_D_LEGACY,
130 	CONNECTOR_CTV_LEGACY,
131 	CONNECTOR_STV_LEGACY,
132 	CONNECTOR_UNSUPPORTED_LEGACY
133 };
134 
135 const int legacy_connector_convert[] = {
136 	DRM_MODE_CONNECTOR_Unknown,
137 	DRM_MODE_CONNECTOR_DVID,
138 	DRM_MODE_CONNECTOR_VGA,
139 	DRM_MODE_CONNECTOR_DVII,
140 	DRM_MODE_CONNECTOR_DVID,
141 	DRM_MODE_CONNECTOR_Composite,
142 	DRM_MODE_CONNECTOR_SVIDEO,
143 	DRM_MODE_CONNECTOR_Unknown,
144 };
145 
combios_get_table_offset(struct drm_device * dev,enum radeon_combios_table_offset table)146 static uint16_t combios_get_table_offset(struct drm_device *dev,
147 					 enum radeon_combios_table_offset table)
148 {
149 	struct radeon_device *rdev = dev->dev_private;
150 	int rev, size;
151 	uint16_t offset = 0, check_offset;
152 
153 	if (!rdev->bios)
154 		return 0;
155 
156 	switch (table) {
157 		/* absolute offset tables */
158 	case COMBIOS_ASIC_INIT_1_TABLE:
159 		check_offset = 0xc;
160 		break;
161 	case COMBIOS_BIOS_SUPPORT_TABLE:
162 		check_offset = 0x14;
163 		break;
164 	case COMBIOS_DAC_PROGRAMMING_TABLE:
165 		check_offset = 0x2a;
166 		break;
167 	case COMBIOS_MAX_COLOR_DEPTH_TABLE:
168 		check_offset = 0x2c;
169 		break;
170 	case COMBIOS_CRTC_INFO_TABLE:
171 		check_offset = 0x2e;
172 		break;
173 	case COMBIOS_PLL_INFO_TABLE:
174 		check_offset = 0x30;
175 		break;
176 	case COMBIOS_TV_INFO_TABLE:
177 		check_offset = 0x32;
178 		break;
179 	case COMBIOS_DFP_INFO_TABLE:
180 		check_offset = 0x34;
181 		break;
182 	case COMBIOS_HW_CONFIG_INFO_TABLE:
183 		check_offset = 0x36;
184 		break;
185 	case COMBIOS_MULTIMEDIA_INFO_TABLE:
186 		check_offset = 0x38;
187 		break;
188 	case COMBIOS_TV_STD_PATCH_TABLE:
189 		check_offset = 0x3e;
190 		break;
191 	case COMBIOS_LCD_INFO_TABLE:
192 		check_offset = 0x40;
193 		break;
194 	case COMBIOS_MOBILE_INFO_TABLE:
195 		check_offset = 0x42;
196 		break;
197 	case COMBIOS_PLL_INIT_TABLE:
198 		check_offset = 0x46;
199 		break;
200 	case COMBIOS_MEM_CONFIG_TABLE:
201 		check_offset = 0x48;
202 		break;
203 	case COMBIOS_SAVE_MASK_TABLE:
204 		check_offset = 0x4a;
205 		break;
206 	case COMBIOS_HARDCODED_EDID_TABLE:
207 		check_offset = 0x4c;
208 		break;
209 	case COMBIOS_ASIC_INIT_2_TABLE:
210 		check_offset = 0x4e;
211 		break;
212 	case COMBIOS_CONNECTOR_INFO_TABLE:
213 		check_offset = 0x50;
214 		break;
215 	case COMBIOS_DYN_CLK_1_TABLE:
216 		check_offset = 0x52;
217 		break;
218 	case COMBIOS_RESERVED_MEM_TABLE:
219 		check_offset = 0x54;
220 		break;
221 	case COMBIOS_EXT_TMDS_INFO_TABLE:
222 		check_offset = 0x58;
223 		break;
224 	case COMBIOS_MEM_CLK_INFO_TABLE:
225 		check_offset = 0x5a;
226 		break;
227 	case COMBIOS_EXT_DAC_INFO_TABLE:
228 		check_offset = 0x5c;
229 		break;
230 	case COMBIOS_MISC_INFO_TABLE:
231 		check_offset = 0x5e;
232 		break;
233 	case COMBIOS_CRT_INFO_TABLE:
234 		check_offset = 0x60;
235 		break;
236 	case COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE:
237 		check_offset = 0x62;
238 		break;
239 	case COMBIOS_COMPONENT_VIDEO_INFO_TABLE:
240 		check_offset = 0x64;
241 		break;
242 	case COMBIOS_FAN_SPEED_INFO_TABLE:
243 		check_offset = 0x66;
244 		break;
245 	case COMBIOS_OVERDRIVE_INFO_TABLE:
246 		check_offset = 0x68;
247 		break;
248 	case COMBIOS_OEM_INFO_TABLE:
249 		check_offset = 0x6a;
250 		break;
251 	case COMBIOS_DYN_CLK_2_TABLE:
252 		check_offset = 0x6c;
253 		break;
254 	case COMBIOS_POWER_CONNECTOR_INFO_TABLE:
255 		check_offset = 0x6e;
256 		break;
257 	case COMBIOS_I2C_INFO_TABLE:
258 		check_offset = 0x70;
259 		break;
260 		/* relative offset tables */
261 	case COMBIOS_ASIC_INIT_3_TABLE:	/* offset from misc info */
262 		check_offset =
263 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
264 		if (check_offset) {
265 			rev = RBIOS8(check_offset);
266 			if (rev > 0) {
267 				check_offset = RBIOS16(check_offset + 0x3);
268 				if (check_offset)
269 					offset = check_offset;
270 			}
271 		}
272 		break;
273 	case COMBIOS_ASIC_INIT_4_TABLE:	/* offset from misc info */
274 		check_offset =
275 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
276 		if (check_offset) {
277 			rev = RBIOS8(check_offset);
278 			if (rev > 0) {
279 				check_offset = RBIOS16(check_offset + 0x5);
280 				if (check_offset)
281 					offset = check_offset;
282 			}
283 		}
284 		break;
285 	case COMBIOS_DETECTED_MEM_TABLE:	/* offset from misc info */
286 		check_offset =
287 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
288 		if (check_offset) {
289 			rev = RBIOS8(check_offset);
290 			if (rev > 0) {
291 				check_offset = RBIOS16(check_offset + 0x7);
292 				if (check_offset)
293 					offset = check_offset;
294 			}
295 		}
296 		break;
297 	case COMBIOS_ASIC_INIT_5_TABLE:	/* offset from misc info */
298 		check_offset =
299 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
300 		if (check_offset) {
301 			rev = RBIOS8(check_offset);
302 			if (rev == 2) {
303 				check_offset = RBIOS16(check_offset + 0x9);
304 				if (check_offset)
305 					offset = check_offset;
306 			}
307 		}
308 		break;
309 	case COMBIOS_RAM_RESET_TABLE:	/* offset from mem config */
310 		check_offset =
311 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
312 		if (check_offset) {
313 			while (RBIOS8(check_offset++));
314 			check_offset += 2;
315 			if (check_offset)
316 				offset = check_offset;
317 		}
318 		break;
319 	case COMBIOS_POWERPLAY_INFO_TABLE:	/* offset from mobile info */
320 		check_offset =
321 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
322 		if (check_offset) {
323 			check_offset = RBIOS16(check_offset + 0x11);
324 			if (check_offset)
325 				offset = check_offset;
326 		}
327 		break;
328 	case COMBIOS_GPIO_INFO_TABLE:	/* offset from mobile info */
329 		check_offset =
330 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
331 		if (check_offset) {
332 			check_offset = RBIOS16(check_offset + 0x13);
333 			if (check_offset)
334 				offset = check_offset;
335 		}
336 		break;
337 	case COMBIOS_LCD_DDC_INFO_TABLE:	/* offset from mobile info */
338 		check_offset =
339 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
340 		if (check_offset) {
341 			check_offset = RBIOS16(check_offset + 0x15);
342 			if (check_offset)
343 				offset = check_offset;
344 		}
345 		break;
346 	case COMBIOS_TMDS_POWER_TABLE:	/* offset from mobile info */
347 		check_offset =
348 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
349 		if (check_offset) {
350 			check_offset = RBIOS16(check_offset + 0x17);
351 			if (check_offset)
352 				offset = check_offset;
353 		}
354 		break;
355 	case COMBIOS_TMDS_POWER_ON_TABLE:	/* offset from tmds power */
356 		check_offset =
357 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
358 		if (check_offset) {
359 			check_offset = RBIOS16(check_offset + 0x2);
360 			if (check_offset)
361 				offset = check_offset;
362 		}
363 		break;
364 	case COMBIOS_TMDS_POWER_OFF_TABLE:	/* offset from tmds power */
365 		check_offset =
366 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
367 		if (check_offset) {
368 			check_offset = RBIOS16(check_offset + 0x4);
369 			if (check_offset)
370 				offset = check_offset;
371 		}
372 		break;
373 	default:
374 		check_offset = 0;
375 		break;
376 	}
377 
378 	size = RBIOS8(rdev->bios_header_start + 0x6);
379 	/* check absolute offset tables */
380 	if (table < COMBIOS_ASIC_INIT_3_TABLE && check_offset && check_offset < size)
381 		offset = RBIOS16(rdev->bios_header_start + check_offset);
382 
383 	return offset;
384 }
385 
radeon_combios_check_hardcoded_edid(struct radeon_device * rdev)386 bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev)
387 {
388 	int edid_info, size;
389 	struct edid *edid;
390 	unsigned char *raw;
391 	edid_info = combios_get_table_offset(rdev->ddev, COMBIOS_HARDCODED_EDID_TABLE);
392 	if (!edid_info)
393 		return false;
394 
395 	raw = rdev->bios + edid_info;
396 	size = EDID_LENGTH * (raw[0x7e] + 1);
397 	edid = kmalloc(size, GFP_KERNEL);
398 	if (edid == NULL)
399 		return false;
400 
401 	memcpy((unsigned char *)edid, raw, size);
402 
403 	if (!drm_edid_is_valid(edid)) {
404 		kfree(edid);
405 		return false;
406 	}
407 
408 	rdev->mode_info.bios_hardcoded_edid = edid;
409 	rdev->mode_info.bios_hardcoded_edid_size = size;
410 	return true;
411 }
412 
413 /* this is used for atom LCDs as well */
414 struct edid *
radeon_bios_get_hardcoded_edid(struct radeon_device * rdev)415 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev)
416 {
417 	struct edid *edid;
418 
419 	if (rdev->mode_info.bios_hardcoded_edid) {
420 		edid = kmalloc(rdev->mode_info.bios_hardcoded_edid_size, GFP_KERNEL);
421 		if (edid) {
422 			memcpy((unsigned char *)edid,
423 			       (unsigned char *)rdev->mode_info.bios_hardcoded_edid,
424 			       rdev->mode_info.bios_hardcoded_edid_size);
425 			return edid;
426 		}
427 	}
428 	return NULL;
429 }
430 
combios_setup_i2c_bus(struct radeon_device * rdev,enum radeon_combios_ddc ddc,u32 clk_mask,u32 data_mask)431 static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
432 						       enum radeon_combios_ddc ddc,
433 						       u32 clk_mask,
434 						       u32 data_mask)
435 {
436 	struct radeon_i2c_bus_rec i2c;
437 	int ddc_line = 0;
438 
439 	/* ddc id            = mask reg
440 	 * DDC_NONE_DETECTED = none
441 	 * DDC_DVI           = RADEON_GPIO_DVI_DDC
442 	 * DDC_VGA           = RADEON_GPIO_VGA_DDC
443 	 * DDC_LCD           = RADEON_GPIOPAD_MASK
444 	 * DDC_GPIO          = RADEON_MDGPIO_MASK
445 	 * r1xx
446 	 * DDC_MONID         = RADEON_GPIO_MONID
447 	 * DDC_CRT2          = RADEON_GPIO_CRT2_DDC
448 	 * r200
449 	 * DDC_MONID         = RADEON_GPIO_MONID
450 	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
451 	 * r300/r350
452 	 * DDC_MONID         = RADEON_GPIO_DVI_DDC
453 	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
454 	 * rv2xx/rv3xx
455 	 * DDC_MONID         = RADEON_GPIO_MONID
456 	 * DDC_CRT2          = RADEON_GPIO_MONID
457 	 * rs3xx/rs4xx
458 	 * DDC_MONID         = RADEON_GPIOPAD_MASK
459 	 * DDC_CRT2          = RADEON_GPIO_MONID
460 	 */
461 	switch (ddc) {
462 	case DDC_NONE_DETECTED:
463 	default:
464 		ddc_line = 0;
465 		break;
466 	case DDC_DVI:
467 		ddc_line = RADEON_GPIO_DVI_DDC;
468 		break;
469 	case DDC_VGA:
470 		ddc_line = RADEON_GPIO_VGA_DDC;
471 		break;
472 	case DDC_LCD:
473 		ddc_line = RADEON_GPIOPAD_MASK;
474 		break;
475 	case DDC_GPIO:
476 		ddc_line = RADEON_MDGPIO_MASK;
477 		break;
478 	case DDC_MONID:
479 		if (rdev->family == CHIP_RS300 ||
480 		    rdev->family == CHIP_RS400 ||
481 		    rdev->family == CHIP_RS480)
482 			ddc_line = RADEON_GPIOPAD_MASK;
483 		else if (rdev->family == CHIP_R300 ||
484 			 rdev->family == CHIP_R350) {
485 			ddc_line = RADEON_GPIO_DVI_DDC;
486 			ddc = DDC_DVI;
487 		} else
488 			ddc_line = RADEON_GPIO_MONID;
489 		break;
490 	case DDC_CRT2:
491 		if (rdev->family == CHIP_R200 ||
492 		    rdev->family == CHIP_R300 ||
493 		    rdev->family == CHIP_R350) {
494 			ddc_line = RADEON_GPIO_DVI_DDC;
495 			ddc = DDC_DVI;
496 		} else if (rdev->family == CHIP_RS300 ||
497 			   rdev->family == CHIP_RS400 ||
498 			   rdev->family == CHIP_RS480)
499 			ddc_line = RADEON_GPIO_MONID;
500 		else if (rdev->family >= CHIP_RV350) {
501 			ddc_line = RADEON_GPIO_MONID;
502 			ddc = DDC_MONID;
503 		} else
504 			ddc_line = RADEON_GPIO_CRT2_DDC;
505 		break;
506 	}
507 
508 	if (ddc_line == RADEON_GPIOPAD_MASK) {
509 		i2c.mask_clk_reg = RADEON_GPIOPAD_MASK;
510 		i2c.mask_data_reg = RADEON_GPIOPAD_MASK;
511 		i2c.a_clk_reg = RADEON_GPIOPAD_A;
512 		i2c.a_data_reg = RADEON_GPIOPAD_A;
513 		i2c.en_clk_reg = RADEON_GPIOPAD_EN;
514 		i2c.en_data_reg = RADEON_GPIOPAD_EN;
515 		i2c.y_clk_reg = RADEON_GPIOPAD_Y;
516 		i2c.y_data_reg = RADEON_GPIOPAD_Y;
517 	} else if (ddc_line == RADEON_MDGPIO_MASK) {
518 		i2c.mask_clk_reg = RADEON_MDGPIO_MASK;
519 		i2c.mask_data_reg = RADEON_MDGPIO_MASK;
520 		i2c.a_clk_reg = RADEON_MDGPIO_A;
521 		i2c.a_data_reg = RADEON_MDGPIO_A;
522 		i2c.en_clk_reg = RADEON_MDGPIO_EN;
523 		i2c.en_data_reg = RADEON_MDGPIO_EN;
524 		i2c.y_clk_reg = RADEON_MDGPIO_Y;
525 		i2c.y_data_reg = RADEON_MDGPIO_Y;
526 	} else {
527 		i2c.mask_clk_reg = ddc_line;
528 		i2c.mask_data_reg = ddc_line;
529 		i2c.a_clk_reg = ddc_line;
530 		i2c.a_data_reg = ddc_line;
531 		i2c.en_clk_reg = ddc_line;
532 		i2c.en_data_reg = ddc_line;
533 		i2c.y_clk_reg = ddc_line;
534 		i2c.y_data_reg = ddc_line;
535 	}
536 
537 	if (clk_mask && data_mask) {
538 		/* system specific masks */
539 		i2c.mask_clk_mask = clk_mask;
540 		i2c.mask_data_mask = data_mask;
541 		i2c.a_clk_mask = clk_mask;
542 		i2c.a_data_mask = data_mask;
543 		i2c.en_clk_mask = clk_mask;
544 		i2c.en_data_mask = data_mask;
545 		i2c.y_clk_mask = clk_mask;
546 		i2c.y_data_mask = data_mask;
547 	} else if ((ddc_line == RADEON_GPIOPAD_MASK) ||
548 		   (ddc_line == RADEON_MDGPIO_MASK)) {
549 		/* default gpiopad masks */
550 		i2c.mask_clk_mask = (0x20 << 8);
551 		i2c.mask_data_mask = 0x80;
552 		i2c.a_clk_mask = (0x20 << 8);
553 		i2c.a_data_mask = 0x80;
554 		i2c.en_clk_mask = (0x20 << 8);
555 		i2c.en_data_mask = 0x80;
556 		i2c.y_clk_mask = (0x20 << 8);
557 		i2c.y_data_mask = 0x80;
558 	} else {
559 		/* default masks for ddc pads */
560 		i2c.mask_clk_mask = RADEON_GPIO_MASK_1;
561 		i2c.mask_data_mask = RADEON_GPIO_MASK_0;
562 		i2c.a_clk_mask = RADEON_GPIO_A_1;
563 		i2c.a_data_mask = RADEON_GPIO_A_0;
564 		i2c.en_clk_mask = RADEON_GPIO_EN_1;
565 		i2c.en_data_mask = RADEON_GPIO_EN_0;
566 		i2c.y_clk_mask = RADEON_GPIO_Y_1;
567 		i2c.y_data_mask = RADEON_GPIO_Y_0;
568 	}
569 
570 	switch (rdev->family) {
571 	case CHIP_R100:
572 	case CHIP_RV100:
573 	case CHIP_RS100:
574 	case CHIP_RV200:
575 	case CHIP_RS200:
576 	case CHIP_RS300:
577 		switch (ddc_line) {
578 		case RADEON_GPIO_DVI_DDC:
579 			i2c.hw_capable = true;
580 			break;
581 		default:
582 			i2c.hw_capable = false;
583 			break;
584 		}
585 		break;
586 	case CHIP_R200:
587 		switch (ddc_line) {
588 		case RADEON_GPIO_DVI_DDC:
589 		case RADEON_GPIO_MONID:
590 			i2c.hw_capable = true;
591 			break;
592 		default:
593 			i2c.hw_capable = false;
594 			break;
595 		}
596 		break;
597 	case CHIP_RV250:
598 	case CHIP_RV280:
599 		switch (ddc_line) {
600 		case RADEON_GPIO_VGA_DDC:
601 		case RADEON_GPIO_DVI_DDC:
602 		case RADEON_GPIO_CRT2_DDC:
603 			i2c.hw_capable = true;
604 			break;
605 		default:
606 			i2c.hw_capable = false;
607 			break;
608 		}
609 		break;
610 	case CHIP_R300:
611 	case CHIP_R350:
612 		switch (ddc_line) {
613 		case RADEON_GPIO_VGA_DDC:
614 		case RADEON_GPIO_DVI_DDC:
615 			i2c.hw_capable = true;
616 			break;
617 		default:
618 			i2c.hw_capable = false;
619 			break;
620 		}
621 		break;
622 	case CHIP_RV350:
623 	case CHIP_RV380:
624 	case CHIP_RS400:
625 	case CHIP_RS480:
626 		switch (ddc_line) {
627 		case RADEON_GPIO_VGA_DDC:
628 		case RADEON_GPIO_DVI_DDC:
629 			i2c.hw_capable = true;
630 			break;
631 		case RADEON_GPIO_MONID:
632 			/* hw i2c on RADEON_GPIO_MONID doesn't seem to work
633 			 * reliably on some pre-r4xx hardware; not sure why.
634 			 */
635 			i2c.hw_capable = false;
636 			break;
637 		default:
638 			i2c.hw_capable = false;
639 			break;
640 		}
641 		break;
642 	default:
643 		i2c.hw_capable = false;
644 		break;
645 	}
646 	i2c.mm_i2c = false;
647 
648 	i2c.i2c_id = ddc;
649 	i2c.hpd = RADEON_HPD_NONE;
650 
651 	if (ddc_line)
652 		i2c.valid = true;
653 	else
654 		i2c.valid = false;
655 
656 	return i2c;
657 }
658 
radeon_combios_i2c_init(struct radeon_device * rdev)659 void radeon_combios_i2c_init(struct radeon_device *rdev)
660 {
661 	struct drm_device *dev = rdev->ddev;
662 	struct radeon_i2c_bus_rec i2c;
663 
664 	/* actual hw pads
665 	 * r1xx/rs2xx/rs3xx
666 	 * 0x60, 0x64, 0x68, 0x6c, gpiopads, mm
667 	 * r200
668 	 * 0x60, 0x64, 0x68, mm
669 	 * r300/r350
670 	 * 0x60, 0x64, mm
671 	 * rv2xx/rv3xx/rs4xx
672 	 * 0x60, 0x64, 0x68, gpiopads, mm
673 	 */
674 
675 	/* 0x60 */
676 	i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
677 	rdev->i2c_bus[0] = radeon_i2c_create(dev, &i2c, "DVI_DDC");
678 	/* 0x64 */
679 	i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
680 	rdev->i2c_bus[1] = radeon_i2c_create(dev, &i2c, "VGA_DDC");
681 
682 	/* mm i2c */
683 	i2c.valid = true;
684 	i2c.hw_capable = true;
685 	i2c.mm_i2c = true;
686 	i2c.i2c_id = 0xa0;
687 	rdev->i2c_bus[2] = radeon_i2c_create(dev, &i2c, "MM_I2C");
688 
689 	if (rdev->family == CHIP_R300 ||
690 	    rdev->family == CHIP_R350) {
691 		/* only 2 sw i2c pads */
692 	} else if (rdev->family == CHIP_RS300 ||
693 		   rdev->family == CHIP_RS400 ||
694 		   rdev->family == CHIP_RS480) {
695 		u16 offset;
696 		u8 id, blocks, clk, data;
697 		int i;
698 
699 		/* 0x68 */
700 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
701 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
702 
703 		offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE);
704 		if (offset) {
705 			blocks = RBIOS8(offset + 2);
706 			for (i = 0; i < blocks; i++) {
707 				id = RBIOS8(offset + 3 + (i * 5) + 0);
708 				if (id == 136) {
709 					clk = RBIOS8(offset + 3 + (i * 5) + 3);
710 					data = RBIOS8(offset + 3 + (i * 5) + 4);
711 					/* gpiopad */
712 					i2c = combios_setup_i2c_bus(rdev, DDC_MONID,
713 								    (1 << clk), (1 << data));
714 					rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "GPIOPAD_MASK");
715 					break;
716 				}
717 			}
718 		}
719 	} else if ((rdev->family == CHIP_R200) ||
720 		   (rdev->family >= CHIP_R300)) {
721 		/* 0x68 */
722 		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
723 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
724 	} else {
725 		/* 0x68 */
726 		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
727 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
728 		/* 0x6c */
729 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
730 		rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "CRT2_DDC");
731 	}
732 }
733 
radeon_combios_get_clock_info(struct drm_device * dev)734 bool radeon_combios_get_clock_info(struct drm_device *dev)
735 {
736 	struct radeon_device *rdev = dev->dev_private;
737 	uint16_t pll_info;
738 	struct radeon_pll *p1pll = &rdev->clock.p1pll;
739 	struct radeon_pll *p2pll = &rdev->clock.p2pll;
740 	struct radeon_pll *spll = &rdev->clock.spll;
741 	struct radeon_pll *mpll = &rdev->clock.mpll;
742 	int8_t rev;
743 	uint16_t sclk, mclk;
744 
745 	pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
746 	if (pll_info) {
747 		rev = RBIOS8(pll_info);
748 
749 		/* pixel clocks */
750 		p1pll->reference_freq = RBIOS16(pll_info + 0xe);
751 		p1pll->reference_div = RBIOS16(pll_info + 0x10);
752 		p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
753 		p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
754 		p1pll->lcd_pll_out_min = p1pll->pll_out_min;
755 		p1pll->lcd_pll_out_max = p1pll->pll_out_max;
756 
757 		if (rev > 9) {
758 			p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
759 			p1pll->pll_in_max = RBIOS32(pll_info + 0x3a);
760 		} else {
761 			p1pll->pll_in_min = 40;
762 			p1pll->pll_in_max = 500;
763 		}
764 		*p2pll = *p1pll;
765 
766 		/* system clock */
767 		spll->reference_freq = RBIOS16(pll_info + 0x1a);
768 		spll->reference_div = RBIOS16(pll_info + 0x1c);
769 		spll->pll_out_min = RBIOS32(pll_info + 0x1e);
770 		spll->pll_out_max = RBIOS32(pll_info + 0x22);
771 
772 		if (rev > 10) {
773 			spll->pll_in_min = RBIOS32(pll_info + 0x48);
774 			spll->pll_in_max = RBIOS32(pll_info + 0x4c);
775 		} else {
776 			/* ??? */
777 			spll->pll_in_min = 40;
778 			spll->pll_in_max = 500;
779 		}
780 
781 		/* memory clock */
782 		mpll->reference_freq = RBIOS16(pll_info + 0x26);
783 		mpll->reference_div = RBIOS16(pll_info + 0x28);
784 		mpll->pll_out_min = RBIOS32(pll_info + 0x2a);
785 		mpll->pll_out_max = RBIOS32(pll_info + 0x2e);
786 
787 		if (rev > 10) {
788 			mpll->pll_in_min = RBIOS32(pll_info + 0x5a);
789 			mpll->pll_in_max = RBIOS32(pll_info + 0x5e);
790 		} else {
791 			/* ??? */
792 			mpll->pll_in_min = 40;
793 			mpll->pll_in_max = 500;
794 		}
795 
796 		/* default sclk/mclk */
797 		sclk = RBIOS16(pll_info + 0xa);
798 		mclk = RBIOS16(pll_info + 0x8);
799 		if (sclk == 0)
800 			sclk = 200 * 100;
801 		if (mclk == 0)
802 			mclk = 200 * 100;
803 
804 		rdev->clock.default_sclk = sclk;
805 		rdev->clock.default_mclk = mclk;
806 
807 		if (RBIOS32(pll_info + 0x16))
808 			rdev->clock.max_pixel_clock = RBIOS32(pll_info + 0x16);
809 		else
810 			rdev->clock.max_pixel_clock = 35000; /* might need something asic specific */
811 
812 		return true;
813 	}
814 	return false;
815 }
816 
radeon_combios_sideport_present(struct radeon_device * rdev)817 bool radeon_combios_sideport_present(struct radeon_device *rdev)
818 {
819 	struct drm_device *dev = rdev->ddev;
820 	u16 igp_info;
821 
822 	/* sideport is AMD only */
823 	if (rdev->family == CHIP_RS400)
824 		return false;
825 
826 	igp_info = combios_get_table_offset(dev, COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE);
827 
828 	if (igp_info) {
829 		if (RBIOS16(igp_info + 0x4))
830 			return true;
831 	}
832 	return false;
833 }
834 
835 static const uint32_t default_primarydac_adj[CHIP_LAST] = {
836 	0x00000808,		/* r100  */
837 	0x00000808,		/* rv100 */
838 	0x00000808,		/* rs100 */
839 	0x00000808,		/* rv200 */
840 	0x00000808,		/* rs200 */
841 	0x00000808,		/* r200  */
842 	0x00000808,		/* rv250 */
843 	0x00000000,		/* rs300 */
844 	0x00000808,		/* rv280 */
845 	0x00000808,		/* r300  */
846 	0x00000808,		/* r350  */
847 	0x00000808,		/* rv350 */
848 	0x00000808,		/* rv380 */
849 	0x00000808,		/* r420  */
850 	0x00000808,		/* r423  */
851 	0x00000808,		/* rv410 */
852 	0x00000000,		/* rs400 */
853 	0x00000000,		/* rs480 */
854 };
855 
radeon_legacy_get_primary_dac_info_from_table(struct radeon_device * rdev,struct radeon_encoder_primary_dac * p_dac)856 static void radeon_legacy_get_primary_dac_info_from_table(struct radeon_device *rdev,
857 							  struct radeon_encoder_primary_dac *p_dac)
858 {
859 	p_dac->ps2_pdac_adj = default_primarydac_adj[rdev->family];
860 	return;
861 }
862 
radeon_combios_get_primary_dac_info(struct radeon_encoder * encoder)863 struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
864 								       radeon_encoder
865 								       *encoder)
866 {
867 	struct drm_device *dev = encoder->base.dev;
868 	struct radeon_device *rdev = dev->dev_private;
869 	uint16_t dac_info;
870 	uint8_t rev, bg, dac;
871 	struct radeon_encoder_primary_dac *p_dac = NULL;
872 	int found = 0;
873 
874 	p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac),
875 			GFP_KERNEL);
876 
877 	if (!p_dac)
878 		return NULL;
879 
880 	/* check CRT table */
881 	dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
882 	if (dac_info) {
883 		rev = RBIOS8(dac_info) & 0x3;
884 		if (rev < 2) {
885 			bg = RBIOS8(dac_info + 0x2) & 0xf;
886 			dac = (RBIOS8(dac_info + 0x2) >> 4) & 0xf;
887 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
888 		} else {
889 			bg = RBIOS8(dac_info + 0x2) & 0xf;
890 			dac = RBIOS8(dac_info + 0x3) & 0xf;
891 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
892 		}
893 		/* if the values are zeros, use the table */
894 		if ((dac == 0) || (bg == 0))
895 			found = 0;
896 		else
897 			found = 1;
898 	}
899 
900 	/* quirks */
901 	/* Radeon 7000 (RV100) */
902 	if (((dev->pdev->device == 0x5159) &&
903 	    (dev->pdev->subsystem_vendor == 0x174B) &&
904 	    (dev->pdev->subsystem_device == 0x7c28)) ||
905 	/* Radeon 9100 (R200) */
906 	   ((dev->pdev->device == 0x514D) &&
907 	    (dev->pdev->subsystem_vendor == 0x174B) &&
908 	    (dev->pdev->subsystem_device == 0x7149))) {
909 		/* vbios value is bad, use the default */
910 		found = 0;
911 	}
912 
913 	if (!found) /* fallback to defaults */
914 		radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac);
915 
916 	return p_dac;
917 }
918 
919 enum radeon_tv_std
radeon_combios_get_tv_info(struct radeon_device * rdev)920 radeon_combios_get_tv_info(struct radeon_device *rdev)
921 {
922 	struct drm_device *dev = rdev->ddev;
923 	uint16_t tv_info;
924 	enum radeon_tv_std tv_std = TV_STD_NTSC;
925 
926 	tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
927 	if (tv_info) {
928 		if (RBIOS8(tv_info + 6) == 'T') {
929 			switch (RBIOS8(tv_info + 7) & 0xf) {
930 			case 1:
931 				tv_std = TV_STD_NTSC;
932 				DRM_DEBUG_KMS("Default TV standard: NTSC\n");
933 				break;
934 			case 2:
935 				tv_std = TV_STD_PAL;
936 				DRM_DEBUG_KMS("Default TV standard: PAL\n");
937 				break;
938 			case 3:
939 				tv_std = TV_STD_PAL_M;
940 				DRM_DEBUG_KMS("Default TV standard: PAL-M\n");
941 				break;
942 			case 4:
943 				tv_std = TV_STD_PAL_60;
944 				DRM_DEBUG_KMS("Default TV standard: PAL-60\n");
945 				break;
946 			case 5:
947 				tv_std = TV_STD_NTSC_J;
948 				DRM_DEBUG_KMS("Default TV standard: NTSC-J\n");
949 				break;
950 			case 6:
951 				tv_std = TV_STD_SCART_PAL;
952 				DRM_DEBUG_KMS("Default TV standard: SCART-PAL\n");
953 				break;
954 			default:
955 				tv_std = TV_STD_NTSC;
956 				DRM_DEBUG_KMS
957 				    ("Unknown TV standard; defaulting to NTSC\n");
958 				break;
959 			}
960 
961 			switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
962 			case 0:
963 				DRM_DEBUG_KMS("29.498928713 MHz TV ref clk\n");
964 				break;
965 			case 1:
966 				DRM_DEBUG_KMS("28.636360000 MHz TV ref clk\n");
967 				break;
968 			case 2:
969 				DRM_DEBUG_KMS("14.318180000 MHz TV ref clk\n");
970 				break;
971 			case 3:
972 				DRM_DEBUG_KMS("27.000000000 MHz TV ref clk\n");
973 				break;
974 			default:
975 				break;
976 			}
977 		}
978 	}
979 	return tv_std;
980 }
981 
982 static const uint32_t default_tvdac_adj[CHIP_LAST] = {
983 	0x00000000,		/* r100  */
984 	0x00280000,		/* rv100 */
985 	0x00000000,		/* rs100 */
986 	0x00880000,		/* rv200 */
987 	0x00000000,		/* rs200 */
988 	0x00000000,		/* r200  */
989 	0x00770000,		/* rv250 */
990 	0x00290000,		/* rs300 */
991 	0x00560000,		/* rv280 */
992 	0x00780000,		/* r300  */
993 	0x00770000,		/* r350  */
994 	0x00780000,		/* rv350 */
995 	0x00780000,		/* rv380 */
996 	0x01080000,		/* r420  */
997 	0x01080000,		/* r423  */
998 	0x01080000,		/* rv410 */
999 	0x00780000,		/* rs400 */
1000 	0x00780000,		/* rs480 */
1001 };
1002 
radeon_legacy_get_tv_dac_info_from_table(struct radeon_device * rdev,struct radeon_encoder_tv_dac * tv_dac)1003 static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
1004 						     struct radeon_encoder_tv_dac *tv_dac)
1005 {
1006 	tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
1007 	if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
1008 		tv_dac->ps2_tvdac_adj = 0x00880000;
1009 	tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1010 	tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1011 	return;
1012 }
1013 
radeon_combios_get_tv_dac_info(struct radeon_encoder * encoder)1014 struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
1015 							     radeon_encoder
1016 							     *encoder)
1017 {
1018 	struct drm_device *dev = encoder->base.dev;
1019 	struct radeon_device *rdev = dev->dev_private;
1020 	uint16_t dac_info;
1021 	uint8_t rev, bg, dac;
1022 	struct radeon_encoder_tv_dac *tv_dac = NULL;
1023 	int found = 0;
1024 
1025 	tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
1026 	if (!tv_dac)
1027 		return NULL;
1028 
1029 	/* first check TV table */
1030 	dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
1031 	if (dac_info) {
1032 		rev = RBIOS8(dac_info + 0x3);
1033 		if (rev > 4) {
1034 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1035 			dac = RBIOS8(dac_info + 0xd) & 0xf;
1036 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1037 
1038 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1039 			dac = RBIOS8(dac_info + 0xf) & 0xf;
1040 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1041 
1042 			bg = RBIOS8(dac_info + 0x10) & 0xf;
1043 			dac = RBIOS8(dac_info + 0x11) & 0xf;
1044 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1045 			/* if the values are all zeros, use the table */
1046 			if (tv_dac->ps2_tvdac_adj)
1047 				found = 1;
1048 		} else if (rev > 1) {
1049 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1050 			dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
1051 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1052 
1053 			bg = RBIOS8(dac_info + 0xd) & 0xf;
1054 			dac = (RBIOS8(dac_info + 0xd) >> 4) & 0xf;
1055 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1056 
1057 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1058 			dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
1059 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1060 			/* if the values are all zeros, use the table */
1061 			if (tv_dac->ps2_tvdac_adj)
1062 				found = 1;
1063 		}
1064 		tv_dac->tv_std = radeon_combios_get_tv_info(rdev);
1065 	}
1066 	if (!found) {
1067 		/* then check CRT table */
1068 		dac_info =
1069 		    combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
1070 		if (dac_info) {
1071 			rev = RBIOS8(dac_info) & 0x3;
1072 			if (rev < 2) {
1073 				bg = RBIOS8(dac_info + 0x3) & 0xf;
1074 				dac = (RBIOS8(dac_info + 0x3) >> 4) & 0xf;
1075 				tv_dac->ps2_tvdac_adj =
1076 				    (bg << 16) | (dac << 20);
1077 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1078 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1079 				/* if the values are all zeros, use the table */
1080 				if (tv_dac->ps2_tvdac_adj)
1081 					found = 1;
1082 			} else {
1083 				bg = RBIOS8(dac_info + 0x4) & 0xf;
1084 				dac = RBIOS8(dac_info + 0x5) & 0xf;
1085 				tv_dac->ps2_tvdac_adj =
1086 				    (bg << 16) | (dac << 20);
1087 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1088 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1089 				/* if the values are all zeros, use the table */
1090 				if (tv_dac->ps2_tvdac_adj)
1091 					found = 1;
1092 			}
1093 		} else {
1094 			DRM_INFO("No TV DAC info found in BIOS\n");
1095 		}
1096 	}
1097 
1098 	if (!found) /* fallback to defaults */
1099 		radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
1100 
1101 	return tv_dac;
1102 }
1103 
radeon_legacy_get_lvds_info_from_regs(struct radeon_device * rdev)1104 static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
1105 									 radeon_device
1106 									 *rdev)
1107 {
1108 	struct radeon_encoder_lvds *lvds = NULL;
1109 	uint32_t fp_vert_stretch, fp_horz_stretch;
1110 	uint32_t ppll_div_sel, ppll_val;
1111 	uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
1112 
1113 	lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1114 
1115 	if (!lvds)
1116 		return NULL;
1117 
1118 	fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH);
1119 	fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH);
1120 
1121 	/* These should be fail-safe defaults, fingers crossed */
1122 	lvds->panel_pwr_delay = 200;
1123 	lvds->panel_vcc_delay = 2000;
1124 
1125 	lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
1126 	lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf;
1127 	lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf;
1128 
1129 	if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
1130 		lvds->native_mode.vdisplay =
1131 		    ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
1132 		     RADEON_VERT_PANEL_SHIFT) + 1;
1133 	else
1134 		lvds->native_mode.vdisplay =
1135 		    (RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;
1136 
1137 	if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
1138 		lvds->native_mode.hdisplay =
1139 		    (((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
1140 		      RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
1141 	else
1142 		lvds->native_mode.hdisplay =
1143 		    ((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;
1144 
1145 	if ((lvds->native_mode.hdisplay < 640) ||
1146 	    (lvds->native_mode.vdisplay < 480)) {
1147 		lvds->native_mode.hdisplay = 640;
1148 		lvds->native_mode.vdisplay = 480;
1149 	}
1150 
1151 	ppll_div_sel = RREG8(RADEON_CLOCK_CNTL_INDEX + 1) & 0x3;
1152 	ppll_val = RREG32_PLL(RADEON_PPLL_DIV_0 + ppll_div_sel);
1153 	if ((ppll_val & 0x000707ff) == 0x1bb)
1154 		lvds->use_bios_dividers = false;
1155 	else {
1156 		lvds->panel_ref_divider =
1157 		    RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
1158 		lvds->panel_post_divider = (ppll_val >> 16) & 0x7;
1159 		lvds->panel_fb_divider = ppll_val & 0x7ff;
1160 
1161 		if ((lvds->panel_ref_divider != 0) &&
1162 		    (lvds->panel_fb_divider > 3))
1163 			lvds->use_bios_dividers = true;
1164 	}
1165 	lvds->panel_vcc_delay = 200;
1166 
1167 	DRM_INFO("Panel info derived from registers\n");
1168 	DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1169 		 lvds->native_mode.vdisplay);
1170 
1171 	return lvds;
1172 }
1173 
radeon_combios_get_lvds_info(struct radeon_encoder * encoder)1174 struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
1175 							 *encoder)
1176 {
1177 	struct drm_device *dev = encoder->base.dev;
1178 	struct radeon_device *rdev = dev->dev_private;
1179 	uint16_t lcd_info;
1180 	uint32_t panel_setup;
1181 	char stmp[30];
1182 	int tmp, i;
1183 	struct radeon_encoder_lvds *lvds = NULL;
1184 
1185 	lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
1186 
1187 	if (lcd_info) {
1188 		lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1189 
1190 		if (!lvds)
1191 			return NULL;
1192 
1193 		for (i = 0; i < 24; i++)
1194 			stmp[i] = RBIOS8(lcd_info + i + 1);
1195 		stmp[24] = 0;
1196 
1197 		DRM_INFO("Panel ID String: %s\n", stmp);
1198 
1199 		lvds->native_mode.hdisplay = RBIOS16(lcd_info + 0x19);
1200 		lvds->native_mode.vdisplay = RBIOS16(lcd_info + 0x1b);
1201 
1202 		DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1203 			 lvds->native_mode.vdisplay);
1204 
1205 		lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
1206 		lvds->panel_vcc_delay = min_t(u16, lvds->panel_vcc_delay, 2000);
1207 
1208 		lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24);
1209 		lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf;
1210 		lvds->panel_blon_delay = (RBIOS16(lcd_info + 0x38) >> 4) & 0xf;
1211 
1212 		lvds->panel_ref_divider = RBIOS16(lcd_info + 0x2e);
1213 		lvds->panel_post_divider = RBIOS8(lcd_info + 0x30);
1214 		lvds->panel_fb_divider = RBIOS16(lcd_info + 0x31);
1215 		if ((lvds->panel_ref_divider != 0) &&
1216 		    (lvds->panel_fb_divider > 3))
1217 			lvds->use_bios_dividers = true;
1218 
1219 		panel_setup = RBIOS32(lcd_info + 0x39);
1220 		lvds->lvds_gen_cntl = 0xff00;
1221 		if (panel_setup & 0x1)
1222 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
1223 
1224 		if ((panel_setup >> 4) & 0x1)
1225 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
1226 
1227 		switch ((panel_setup >> 8) & 0x7) {
1228 		case 0:
1229 			lvds->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
1230 			break;
1231 		case 1:
1232 			lvds->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
1233 			break;
1234 		case 2:
1235 			lvds->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
1236 			break;
1237 		default:
1238 			break;
1239 		}
1240 
1241 		if ((panel_setup >> 16) & 0x1)
1242 			lvds->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
1243 
1244 		if ((panel_setup >> 17) & 0x1)
1245 			lvds->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
1246 
1247 		if ((panel_setup >> 18) & 0x1)
1248 			lvds->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
1249 
1250 		if ((panel_setup >> 23) & 0x1)
1251 			lvds->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
1252 
1253 		lvds->lvds_gen_cntl |= (panel_setup & 0xf0000000);
1254 
1255 		for (i = 0; i < 32; i++) {
1256 			tmp = RBIOS16(lcd_info + 64 + i * 2);
1257 			if (tmp == 0)
1258 				break;
1259 
1260 			if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
1261 			    (RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) {
1262 				lvds->native_mode.htotal = lvds->native_mode.hdisplay +
1263 					(RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8;
1264 				lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
1265 					(RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8;
1266 				lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
1267 					(RBIOS8(tmp + 23) * 8);
1268 
1269 				lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
1270 					(RBIOS16(tmp + 24) - RBIOS16(tmp + 26));
1271 				lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
1272 					((RBIOS16(tmp + 28) & 0x7ff) - RBIOS16(tmp + 26));
1273 				lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
1274 					((RBIOS16(tmp + 28) & 0xf800) >> 11);
1275 
1276 				lvds->native_mode.clock = RBIOS16(tmp + 9) * 10;
1277 				lvds->native_mode.flags = 0;
1278 				/* set crtc values */
1279 				drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
1280 
1281 			}
1282 		}
1283 	} else {
1284 		DRM_INFO("No panel info found in BIOS\n");
1285 		lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
1286 	}
1287 
1288 	if (lvds)
1289 		encoder->native_mode = lvds->native_mode;
1290 	return lvds;
1291 }
1292 
1293 static const struct radeon_tmds_pll default_tmds_pll[CHIP_LAST][4] = {
1294 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R100  */
1295 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV100 */
1296 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS100 */
1297 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV200 */
1298 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RS200 */
1299 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R200  */
1300 	{{15500, 0x81b}, {0xffffffff, 0x83f}, {0, 0}, {0, 0}},	/* CHIP_RV250 */
1301 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS300 */
1302 	{{13000, 0x400f4}, {15000, 0x400f7}, {0xffffffff, 0x40111}, {0, 0}},	/* CHIP_RV280 */
1303 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R300  */
1304 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R350  */
1305 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV350 */
1306 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV380 */
1307 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R420  */
1308 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R423  */
1309 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RV410 */
1310 	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS400 */
1311 	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS480 */
1312 };
1313 
radeon_legacy_get_tmds_info_from_table(struct radeon_encoder * encoder,struct radeon_encoder_int_tmds * tmds)1314 bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
1315 					    struct radeon_encoder_int_tmds *tmds)
1316 {
1317 	struct drm_device *dev = encoder->base.dev;
1318 	struct radeon_device *rdev = dev->dev_private;
1319 	int i;
1320 
1321 	for (i = 0; i < 4; i++) {
1322 		tmds->tmds_pll[i].value =
1323 			default_tmds_pll[rdev->family][i].value;
1324 		tmds->tmds_pll[i].freq = default_tmds_pll[rdev->family][i].freq;
1325 	}
1326 
1327 	return true;
1328 }
1329 
radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder * encoder,struct radeon_encoder_int_tmds * tmds)1330 bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
1331 					      struct radeon_encoder_int_tmds *tmds)
1332 {
1333 	struct drm_device *dev = encoder->base.dev;
1334 	struct radeon_device *rdev = dev->dev_private;
1335 	uint16_t tmds_info;
1336 	int i, n;
1337 	uint8_t ver;
1338 
1339 	tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1340 
1341 	if (tmds_info) {
1342 		ver = RBIOS8(tmds_info);
1343 		DRM_DEBUG_KMS("DFP table revision: %d\n", ver);
1344 		if (ver == 3) {
1345 			n = RBIOS8(tmds_info + 5) + 1;
1346 			if (n > 4)
1347 				n = 4;
1348 			for (i = 0; i < n; i++) {
1349 				tmds->tmds_pll[i].value =
1350 				    RBIOS32(tmds_info + i * 10 + 0x08);
1351 				tmds->tmds_pll[i].freq =
1352 				    RBIOS16(tmds_info + i * 10 + 0x10);
1353 				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1354 					  tmds->tmds_pll[i].freq,
1355 					  tmds->tmds_pll[i].value);
1356 			}
1357 		} else if (ver == 4) {
1358 			int stride = 0;
1359 			n = RBIOS8(tmds_info + 5) + 1;
1360 			if (n > 4)
1361 				n = 4;
1362 			for (i = 0; i < n; i++) {
1363 				tmds->tmds_pll[i].value =
1364 				    RBIOS32(tmds_info + stride + 0x08);
1365 				tmds->tmds_pll[i].freq =
1366 				    RBIOS16(tmds_info + stride + 0x10);
1367 				if (i == 0)
1368 					stride += 10;
1369 				else
1370 					stride += 6;
1371 				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1372 					  tmds->tmds_pll[i].freq,
1373 					  tmds->tmds_pll[i].value);
1374 			}
1375 		}
1376 	} else {
1377 		DRM_INFO("No TMDS info found in BIOS\n");
1378 		return false;
1379 	}
1380 	return true;
1381 }
1382 
radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder * encoder,struct radeon_encoder_ext_tmds * tmds)1383 bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
1384 						struct radeon_encoder_ext_tmds *tmds)
1385 {
1386 	struct drm_device *dev = encoder->base.dev;
1387 	struct radeon_device *rdev = dev->dev_private;
1388 	struct radeon_i2c_bus_rec i2c_bus;
1389 
1390 	/* default for macs */
1391 	i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1392 	tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1393 
1394 	/* XXX some macs have duallink chips */
1395 	switch (rdev->mode_info.connector_table) {
1396 	case CT_POWERBOOK_EXTERNAL:
1397 	case CT_MINI_EXTERNAL:
1398 	default:
1399 		tmds->dvo_chip = DVO_SIL164;
1400 		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1401 		break;
1402 	}
1403 
1404 	return true;
1405 }
1406 
radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder * encoder,struct radeon_encoder_ext_tmds * tmds)1407 bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
1408 						  struct radeon_encoder_ext_tmds *tmds)
1409 {
1410 	struct drm_device *dev = encoder->base.dev;
1411 	struct radeon_device *rdev = dev->dev_private;
1412 	uint16_t offset;
1413 	uint8_t ver;
1414 	enum radeon_combios_ddc gpio;
1415 	struct radeon_i2c_bus_rec i2c_bus;
1416 
1417 	tmds->i2c_bus = NULL;
1418 	if (rdev->flags & RADEON_IS_IGP) {
1419 		i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1420 		tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1421 		tmds->dvo_chip = DVO_SIL164;
1422 		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1423 	} else {
1424 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
1425 		if (offset) {
1426 			ver = RBIOS8(offset);
1427 			DRM_DEBUG_KMS("External TMDS Table revision: %d\n", ver);
1428 			tmds->slave_addr = RBIOS8(offset + 4 + 2);
1429 			tmds->slave_addr >>= 1; /* 7 bit addressing */
1430 			gpio = RBIOS8(offset + 4 + 3);
1431 			if (gpio == DDC_LCD) {
1432 				/* MM i2c */
1433 				i2c_bus.valid = true;
1434 				i2c_bus.hw_capable = true;
1435 				i2c_bus.mm_i2c = true;
1436 				i2c_bus.i2c_id = 0xa0;
1437 			} else
1438 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
1439 			tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1440 		}
1441 	}
1442 
1443 	if (!tmds->i2c_bus) {
1444 		DRM_INFO("No valid Ext TMDS info found in BIOS\n");
1445 		return false;
1446 	}
1447 
1448 	return true;
1449 }
1450 
radeon_get_legacy_connector_info_from_table(struct drm_device * dev)1451 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
1452 {
1453 	struct radeon_device *rdev = dev->dev_private;
1454 	struct radeon_i2c_bus_rec ddc_i2c;
1455 	struct radeon_hpd hpd;
1456 
1457 	rdev->mode_info.connector_table = radeon_connector_table;
1458 	if (rdev->mode_info.connector_table == CT_NONE) {
1459 #ifdef CONFIG_PPC_PMAC
1460 		if (of_machine_is_compatible("PowerBook3,3")) {
1461 			/* powerbook with VGA */
1462 			rdev->mode_info.connector_table = CT_POWERBOOK_VGA;
1463 		} else if (of_machine_is_compatible("PowerBook3,4") ||
1464 			   of_machine_is_compatible("PowerBook3,5")) {
1465 			/* powerbook with internal tmds */
1466 			rdev->mode_info.connector_table = CT_POWERBOOK_INTERNAL;
1467 		} else if (of_machine_is_compatible("PowerBook5,1") ||
1468 			   of_machine_is_compatible("PowerBook5,2") ||
1469 			   of_machine_is_compatible("PowerBook5,3") ||
1470 			   of_machine_is_compatible("PowerBook5,4") ||
1471 			   of_machine_is_compatible("PowerBook5,5")) {
1472 			/* powerbook with external single link tmds (sil164) */
1473 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1474 		} else if (of_machine_is_compatible("PowerBook5,6")) {
1475 			/* powerbook with external dual or single link tmds */
1476 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1477 		} else if (of_machine_is_compatible("PowerBook5,7") ||
1478 			   of_machine_is_compatible("PowerBook5,8") ||
1479 			   of_machine_is_compatible("PowerBook5,9")) {
1480 			/* PowerBook6,2 ? */
1481 			/* powerbook with external dual link tmds (sil1178?) */
1482 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1483 		} else if (of_machine_is_compatible("PowerBook4,1") ||
1484 			   of_machine_is_compatible("PowerBook4,2") ||
1485 			   of_machine_is_compatible("PowerBook4,3") ||
1486 			   of_machine_is_compatible("PowerBook6,3") ||
1487 			   of_machine_is_compatible("PowerBook6,5") ||
1488 			   of_machine_is_compatible("PowerBook6,7")) {
1489 			/* ibook */
1490 			rdev->mode_info.connector_table = CT_IBOOK;
1491 		} else if (of_machine_is_compatible("PowerMac3,5")) {
1492 			/* PowerMac G4 Silver radeon 7500 */
1493 			rdev->mode_info.connector_table = CT_MAC_G4_SILVER;
1494 		} else if (of_machine_is_compatible("PowerMac4,4")) {
1495 			/* emac */
1496 			rdev->mode_info.connector_table = CT_EMAC;
1497 		} else if (of_machine_is_compatible("PowerMac10,1")) {
1498 			/* mini with internal tmds */
1499 			rdev->mode_info.connector_table = CT_MINI_INTERNAL;
1500 		} else if (of_machine_is_compatible("PowerMac10,2")) {
1501 			/* mini with external tmds */
1502 			rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
1503 		} else if (of_machine_is_compatible("PowerMac12,1")) {
1504 			/* PowerMac8,1 ? */
1505 			/* imac g5 isight */
1506 			rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
1507 		} else if ((rdev->pdev->device == 0x4a48) &&
1508 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1509 			   (rdev->pdev->subsystem_device == 0x4a48)) {
1510 			/* Mac X800 */
1511 			rdev->mode_info.connector_table = CT_MAC_X800;
1512 		} else if ((of_machine_is_compatible("PowerMac7,2") ||
1513 			    of_machine_is_compatible("PowerMac7,3")) &&
1514 			   (rdev->pdev->device == 0x4150) &&
1515 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1516 			   (rdev->pdev->subsystem_device == 0x4150)) {
1517 			/* Mac G5 tower 9600 */
1518 			rdev->mode_info.connector_table = CT_MAC_G5_9600;
1519 		} else if ((rdev->pdev->device == 0x4c66) &&
1520 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1521 			   (rdev->pdev->subsystem_device == 0x4c66)) {
1522 			/* SAM440ep RV250 embedded board */
1523 			rdev->mode_info.connector_table = CT_SAM440EP;
1524 		} else
1525 #endif /* CONFIG_PPC_PMAC */
1526 #ifdef CONFIG_PPC64
1527 		if (ASIC_IS_RN50(rdev))
1528 			rdev->mode_info.connector_table = CT_RN50_POWER;
1529 		else
1530 #endif
1531 			rdev->mode_info.connector_table = CT_GENERIC;
1532 	}
1533 
1534 	switch (rdev->mode_info.connector_table) {
1535 	case CT_GENERIC:
1536 		DRM_INFO("Connector Table: %d (generic)\n",
1537 			 rdev->mode_info.connector_table);
1538 		/* these are the most common settings */
1539 		if (rdev->flags & RADEON_SINGLE_CRTC) {
1540 			/* VGA - primary dac */
1541 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1542 			hpd.hpd = RADEON_HPD_NONE;
1543 			radeon_add_legacy_encoder(dev,
1544 						  radeon_get_encoder_enum(dev,
1545 									ATOM_DEVICE_CRT1_SUPPORT,
1546 									1),
1547 						  ATOM_DEVICE_CRT1_SUPPORT);
1548 			radeon_add_legacy_connector(dev, 0,
1549 						    ATOM_DEVICE_CRT1_SUPPORT,
1550 						    DRM_MODE_CONNECTOR_VGA,
1551 						    &ddc_i2c,
1552 						    CONNECTOR_OBJECT_ID_VGA,
1553 						    &hpd);
1554 		} else if (rdev->flags & RADEON_IS_MOBILITY) {
1555 			/* LVDS */
1556 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
1557 			hpd.hpd = RADEON_HPD_NONE;
1558 			radeon_add_legacy_encoder(dev,
1559 						  radeon_get_encoder_enum(dev,
1560 									ATOM_DEVICE_LCD1_SUPPORT,
1561 									0),
1562 						  ATOM_DEVICE_LCD1_SUPPORT);
1563 			radeon_add_legacy_connector(dev, 0,
1564 						    ATOM_DEVICE_LCD1_SUPPORT,
1565 						    DRM_MODE_CONNECTOR_LVDS,
1566 						    &ddc_i2c,
1567 						    CONNECTOR_OBJECT_ID_LVDS,
1568 						    &hpd);
1569 
1570 			/* VGA - primary dac */
1571 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1572 			hpd.hpd = RADEON_HPD_NONE;
1573 			radeon_add_legacy_encoder(dev,
1574 						  radeon_get_encoder_enum(dev,
1575 									ATOM_DEVICE_CRT1_SUPPORT,
1576 									1),
1577 						  ATOM_DEVICE_CRT1_SUPPORT);
1578 			radeon_add_legacy_connector(dev, 1,
1579 						    ATOM_DEVICE_CRT1_SUPPORT,
1580 						    DRM_MODE_CONNECTOR_VGA,
1581 						    &ddc_i2c,
1582 						    CONNECTOR_OBJECT_ID_VGA,
1583 						    &hpd);
1584 		} else {
1585 			/* DVI-I - tv dac, int tmds */
1586 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1587 			hpd.hpd = RADEON_HPD_1;
1588 			radeon_add_legacy_encoder(dev,
1589 						  radeon_get_encoder_enum(dev,
1590 									ATOM_DEVICE_DFP1_SUPPORT,
1591 									0),
1592 						  ATOM_DEVICE_DFP1_SUPPORT);
1593 			radeon_add_legacy_encoder(dev,
1594 						  radeon_get_encoder_enum(dev,
1595 									ATOM_DEVICE_CRT2_SUPPORT,
1596 									2),
1597 						  ATOM_DEVICE_CRT2_SUPPORT);
1598 			radeon_add_legacy_connector(dev, 0,
1599 						    ATOM_DEVICE_DFP1_SUPPORT |
1600 						    ATOM_DEVICE_CRT2_SUPPORT,
1601 						    DRM_MODE_CONNECTOR_DVII,
1602 						    &ddc_i2c,
1603 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1604 						    &hpd);
1605 
1606 			/* VGA - primary dac */
1607 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1608 			hpd.hpd = RADEON_HPD_NONE;
1609 			radeon_add_legacy_encoder(dev,
1610 						  radeon_get_encoder_enum(dev,
1611 									ATOM_DEVICE_CRT1_SUPPORT,
1612 									1),
1613 						  ATOM_DEVICE_CRT1_SUPPORT);
1614 			radeon_add_legacy_connector(dev, 1,
1615 						    ATOM_DEVICE_CRT1_SUPPORT,
1616 						    DRM_MODE_CONNECTOR_VGA,
1617 						    &ddc_i2c,
1618 						    CONNECTOR_OBJECT_ID_VGA,
1619 						    &hpd);
1620 		}
1621 
1622 		if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1623 			/* TV - tv dac */
1624 			ddc_i2c.valid = false;
1625 			hpd.hpd = RADEON_HPD_NONE;
1626 			radeon_add_legacy_encoder(dev,
1627 						  radeon_get_encoder_enum(dev,
1628 									ATOM_DEVICE_TV1_SUPPORT,
1629 									2),
1630 						  ATOM_DEVICE_TV1_SUPPORT);
1631 			radeon_add_legacy_connector(dev, 2,
1632 						    ATOM_DEVICE_TV1_SUPPORT,
1633 						    DRM_MODE_CONNECTOR_SVIDEO,
1634 						    &ddc_i2c,
1635 						    CONNECTOR_OBJECT_ID_SVIDEO,
1636 						    &hpd);
1637 		}
1638 		break;
1639 	case CT_IBOOK:
1640 		DRM_INFO("Connector Table: %d (ibook)\n",
1641 			 rdev->mode_info.connector_table);
1642 		/* LVDS */
1643 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1644 		hpd.hpd = RADEON_HPD_NONE;
1645 		radeon_add_legacy_encoder(dev,
1646 					  radeon_get_encoder_enum(dev,
1647 								ATOM_DEVICE_LCD1_SUPPORT,
1648 								0),
1649 					  ATOM_DEVICE_LCD1_SUPPORT);
1650 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1651 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1652 					    CONNECTOR_OBJECT_ID_LVDS,
1653 					    &hpd);
1654 		/* VGA - TV DAC */
1655 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1656 		hpd.hpd = RADEON_HPD_NONE;
1657 		radeon_add_legacy_encoder(dev,
1658 					  radeon_get_encoder_enum(dev,
1659 								ATOM_DEVICE_CRT2_SUPPORT,
1660 								2),
1661 					  ATOM_DEVICE_CRT2_SUPPORT);
1662 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1663 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1664 					    CONNECTOR_OBJECT_ID_VGA,
1665 					    &hpd);
1666 		/* TV - TV DAC */
1667 		ddc_i2c.valid = false;
1668 		hpd.hpd = RADEON_HPD_NONE;
1669 		radeon_add_legacy_encoder(dev,
1670 					  radeon_get_encoder_enum(dev,
1671 								ATOM_DEVICE_TV1_SUPPORT,
1672 								2),
1673 					  ATOM_DEVICE_TV1_SUPPORT);
1674 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1675 					    DRM_MODE_CONNECTOR_SVIDEO,
1676 					    &ddc_i2c,
1677 					    CONNECTOR_OBJECT_ID_SVIDEO,
1678 					    &hpd);
1679 		break;
1680 	case CT_POWERBOOK_EXTERNAL:
1681 		DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
1682 			 rdev->mode_info.connector_table);
1683 		/* LVDS */
1684 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1685 		hpd.hpd = RADEON_HPD_NONE;
1686 		radeon_add_legacy_encoder(dev,
1687 					  radeon_get_encoder_enum(dev,
1688 								ATOM_DEVICE_LCD1_SUPPORT,
1689 								0),
1690 					  ATOM_DEVICE_LCD1_SUPPORT);
1691 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1692 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1693 					    CONNECTOR_OBJECT_ID_LVDS,
1694 					    &hpd);
1695 		/* DVI-I - primary dac, ext tmds */
1696 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1697 		hpd.hpd = RADEON_HPD_2; /* ??? */
1698 		radeon_add_legacy_encoder(dev,
1699 					  radeon_get_encoder_enum(dev,
1700 								ATOM_DEVICE_DFP2_SUPPORT,
1701 								0),
1702 					  ATOM_DEVICE_DFP2_SUPPORT);
1703 		radeon_add_legacy_encoder(dev,
1704 					  radeon_get_encoder_enum(dev,
1705 								ATOM_DEVICE_CRT1_SUPPORT,
1706 								1),
1707 					  ATOM_DEVICE_CRT1_SUPPORT);
1708 		/* XXX some are SL */
1709 		radeon_add_legacy_connector(dev, 1,
1710 					    ATOM_DEVICE_DFP2_SUPPORT |
1711 					    ATOM_DEVICE_CRT1_SUPPORT,
1712 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1713 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
1714 					    &hpd);
1715 		/* TV - TV DAC */
1716 		ddc_i2c.valid = false;
1717 		hpd.hpd = RADEON_HPD_NONE;
1718 		radeon_add_legacy_encoder(dev,
1719 					  radeon_get_encoder_enum(dev,
1720 								ATOM_DEVICE_TV1_SUPPORT,
1721 								2),
1722 					  ATOM_DEVICE_TV1_SUPPORT);
1723 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1724 					    DRM_MODE_CONNECTOR_SVIDEO,
1725 					    &ddc_i2c,
1726 					    CONNECTOR_OBJECT_ID_SVIDEO,
1727 					    &hpd);
1728 		break;
1729 	case CT_POWERBOOK_INTERNAL:
1730 		DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
1731 			 rdev->mode_info.connector_table);
1732 		/* LVDS */
1733 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1734 		hpd.hpd = RADEON_HPD_NONE;
1735 		radeon_add_legacy_encoder(dev,
1736 					  radeon_get_encoder_enum(dev,
1737 								ATOM_DEVICE_LCD1_SUPPORT,
1738 								0),
1739 					  ATOM_DEVICE_LCD1_SUPPORT);
1740 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1741 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1742 					    CONNECTOR_OBJECT_ID_LVDS,
1743 					    &hpd);
1744 		/* DVI-I - primary dac, int tmds */
1745 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1746 		hpd.hpd = RADEON_HPD_1; /* ??? */
1747 		radeon_add_legacy_encoder(dev,
1748 					  radeon_get_encoder_enum(dev,
1749 								ATOM_DEVICE_DFP1_SUPPORT,
1750 								0),
1751 					  ATOM_DEVICE_DFP1_SUPPORT);
1752 		radeon_add_legacy_encoder(dev,
1753 					  radeon_get_encoder_enum(dev,
1754 								ATOM_DEVICE_CRT1_SUPPORT,
1755 								1),
1756 					  ATOM_DEVICE_CRT1_SUPPORT);
1757 		radeon_add_legacy_connector(dev, 1,
1758 					    ATOM_DEVICE_DFP1_SUPPORT |
1759 					    ATOM_DEVICE_CRT1_SUPPORT,
1760 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1761 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1762 					    &hpd);
1763 		/* TV - TV DAC */
1764 		ddc_i2c.valid = false;
1765 		hpd.hpd = RADEON_HPD_NONE;
1766 		radeon_add_legacy_encoder(dev,
1767 					  radeon_get_encoder_enum(dev,
1768 								ATOM_DEVICE_TV1_SUPPORT,
1769 								2),
1770 					  ATOM_DEVICE_TV1_SUPPORT);
1771 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1772 					    DRM_MODE_CONNECTOR_SVIDEO,
1773 					    &ddc_i2c,
1774 					    CONNECTOR_OBJECT_ID_SVIDEO,
1775 					    &hpd);
1776 		break;
1777 	case CT_POWERBOOK_VGA:
1778 		DRM_INFO("Connector Table: %d (powerbook vga)\n",
1779 			 rdev->mode_info.connector_table);
1780 		/* LVDS */
1781 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1782 		hpd.hpd = RADEON_HPD_NONE;
1783 		radeon_add_legacy_encoder(dev,
1784 					  radeon_get_encoder_enum(dev,
1785 								ATOM_DEVICE_LCD1_SUPPORT,
1786 								0),
1787 					  ATOM_DEVICE_LCD1_SUPPORT);
1788 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1789 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1790 					    CONNECTOR_OBJECT_ID_LVDS,
1791 					    &hpd);
1792 		/* VGA - primary dac */
1793 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1794 		hpd.hpd = RADEON_HPD_NONE;
1795 		radeon_add_legacy_encoder(dev,
1796 					  radeon_get_encoder_enum(dev,
1797 								ATOM_DEVICE_CRT1_SUPPORT,
1798 								1),
1799 					  ATOM_DEVICE_CRT1_SUPPORT);
1800 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
1801 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1802 					    CONNECTOR_OBJECT_ID_VGA,
1803 					    &hpd);
1804 		/* TV - TV DAC */
1805 		ddc_i2c.valid = false;
1806 		hpd.hpd = RADEON_HPD_NONE;
1807 		radeon_add_legacy_encoder(dev,
1808 					  radeon_get_encoder_enum(dev,
1809 								ATOM_DEVICE_TV1_SUPPORT,
1810 								2),
1811 					  ATOM_DEVICE_TV1_SUPPORT);
1812 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1813 					    DRM_MODE_CONNECTOR_SVIDEO,
1814 					    &ddc_i2c,
1815 					    CONNECTOR_OBJECT_ID_SVIDEO,
1816 					    &hpd);
1817 		break;
1818 	case CT_MINI_EXTERNAL:
1819 		DRM_INFO("Connector Table: %d (mini external tmds)\n",
1820 			 rdev->mode_info.connector_table);
1821 		/* DVI-I - tv dac, ext tmds */
1822 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1823 		hpd.hpd = RADEON_HPD_2; /* ??? */
1824 		radeon_add_legacy_encoder(dev,
1825 					  radeon_get_encoder_enum(dev,
1826 								ATOM_DEVICE_DFP2_SUPPORT,
1827 								0),
1828 					  ATOM_DEVICE_DFP2_SUPPORT);
1829 		radeon_add_legacy_encoder(dev,
1830 					  radeon_get_encoder_enum(dev,
1831 								ATOM_DEVICE_CRT2_SUPPORT,
1832 								2),
1833 					  ATOM_DEVICE_CRT2_SUPPORT);
1834 		/* XXX are any DL? */
1835 		radeon_add_legacy_connector(dev, 0,
1836 					    ATOM_DEVICE_DFP2_SUPPORT |
1837 					    ATOM_DEVICE_CRT2_SUPPORT,
1838 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1839 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1840 					    &hpd);
1841 		/* TV - TV DAC */
1842 		ddc_i2c.valid = false;
1843 		hpd.hpd = RADEON_HPD_NONE;
1844 		radeon_add_legacy_encoder(dev,
1845 					  radeon_get_encoder_enum(dev,
1846 								ATOM_DEVICE_TV1_SUPPORT,
1847 								2),
1848 					  ATOM_DEVICE_TV1_SUPPORT);
1849 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1850 					    DRM_MODE_CONNECTOR_SVIDEO,
1851 					    &ddc_i2c,
1852 					    CONNECTOR_OBJECT_ID_SVIDEO,
1853 					    &hpd);
1854 		break;
1855 	case CT_MINI_INTERNAL:
1856 		DRM_INFO("Connector Table: %d (mini internal tmds)\n",
1857 			 rdev->mode_info.connector_table);
1858 		/* DVI-I - tv dac, int tmds */
1859 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1860 		hpd.hpd = RADEON_HPD_1; /* ??? */
1861 		radeon_add_legacy_encoder(dev,
1862 					  radeon_get_encoder_enum(dev,
1863 								ATOM_DEVICE_DFP1_SUPPORT,
1864 								0),
1865 					  ATOM_DEVICE_DFP1_SUPPORT);
1866 		radeon_add_legacy_encoder(dev,
1867 					  radeon_get_encoder_enum(dev,
1868 								ATOM_DEVICE_CRT2_SUPPORT,
1869 								2),
1870 					  ATOM_DEVICE_CRT2_SUPPORT);
1871 		radeon_add_legacy_connector(dev, 0,
1872 					    ATOM_DEVICE_DFP1_SUPPORT |
1873 					    ATOM_DEVICE_CRT2_SUPPORT,
1874 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1875 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1876 					    &hpd);
1877 		/* TV - TV DAC */
1878 		ddc_i2c.valid = false;
1879 		hpd.hpd = RADEON_HPD_NONE;
1880 		radeon_add_legacy_encoder(dev,
1881 					  radeon_get_encoder_enum(dev,
1882 								ATOM_DEVICE_TV1_SUPPORT,
1883 								2),
1884 					  ATOM_DEVICE_TV1_SUPPORT);
1885 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1886 					    DRM_MODE_CONNECTOR_SVIDEO,
1887 					    &ddc_i2c,
1888 					    CONNECTOR_OBJECT_ID_SVIDEO,
1889 					    &hpd);
1890 		break;
1891 	case CT_IMAC_G5_ISIGHT:
1892 		DRM_INFO("Connector Table: %d (imac g5 isight)\n",
1893 			 rdev->mode_info.connector_table);
1894 		/* DVI-D - int tmds */
1895 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1896 		hpd.hpd = RADEON_HPD_1; /* ??? */
1897 		radeon_add_legacy_encoder(dev,
1898 					  radeon_get_encoder_enum(dev,
1899 								ATOM_DEVICE_DFP1_SUPPORT,
1900 								0),
1901 					  ATOM_DEVICE_DFP1_SUPPORT);
1902 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
1903 					    DRM_MODE_CONNECTOR_DVID, &ddc_i2c,
1904 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
1905 					    &hpd);
1906 		/* VGA - tv dac */
1907 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1908 		hpd.hpd = RADEON_HPD_NONE;
1909 		radeon_add_legacy_encoder(dev,
1910 					  radeon_get_encoder_enum(dev,
1911 								ATOM_DEVICE_CRT2_SUPPORT,
1912 								2),
1913 					  ATOM_DEVICE_CRT2_SUPPORT);
1914 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1915 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1916 					    CONNECTOR_OBJECT_ID_VGA,
1917 					    &hpd);
1918 		/* TV - TV DAC */
1919 		ddc_i2c.valid = false;
1920 		hpd.hpd = RADEON_HPD_NONE;
1921 		radeon_add_legacy_encoder(dev,
1922 					  radeon_get_encoder_enum(dev,
1923 								ATOM_DEVICE_TV1_SUPPORT,
1924 								2),
1925 					  ATOM_DEVICE_TV1_SUPPORT);
1926 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1927 					    DRM_MODE_CONNECTOR_SVIDEO,
1928 					    &ddc_i2c,
1929 					    CONNECTOR_OBJECT_ID_SVIDEO,
1930 					    &hpd);
1931 		break;
1932 	case CT_EMAC:
1933 		DRM_INFO("Connector Table: %d (emac)\n",
1934 			 rdev->mode_info.connector_table);
1935 		/* VGA - primary dac */
1936 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1937 		hpd.hpd = RADEON_HPD_NONE;
1938 		radeon_add_legacy_encoder(dev,
1939 					  radeon_get_encoder_enum(dev,
1940 								ATOM_DEVICE_CRT1_SUPPORT,
1941 								1),
1942 					  ATOM_DEVICE_CRT1_SUPPORT);
1943 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1944 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1945 					    CONNECTOR_OBJECT_ID_VGA,
1946 					    &hpd);
1947 		/* VGA - tv dac */
1948 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1949 		hpd.hpd = RADEON_HPD_NONE;
1950 		radeon_add_legacy_encoder(dev,
1951 					  radeon_get_encoder_enum(dev,
1952 								ATOM_DEVICE_CRT2_SUPPORT,
1953 								2),
1954 					  ATOM_DEVICE_CRT2_SUPPORT);
1955 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1956 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1957 					    CONNECTOR_OBJECT_ID_VGA,
1958 					    &hpd);
1959 		/* TV - TV DAC */
1960 		ddc_i2c.valid = false;
1961 		hpd.hpd = RADEON_HPD_NONE;
1962 		radeon_add_legacy_encoder(dev,
1963 					  radeon_get_encoder_enum(dev,
1964 								ATOM_DEVICE_TV1_SUPPORT,
1965 								2),
1966 					  ATOM_DEVICE_TV1_SUPPORT);
1967 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1968 					    DRM_MODE_CONNECTOR_SVIDEO,
1969 					    &ddc_i2c,
1970 					    CONNECTOR_OBJECT_ID_SVIDEO,
1971 					    &hpd);
1972 		break;
1973 	case CT_RN50_POWER:
1974 		DRM_INFO("Connector Table: %d (rn50-power)\n",
1975 			 rdev->mode_info.connector_table);
1976 		/* VGA - primary dac */
1977 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1978 		hpd.hpd = RADEON_HPD_NONE;
1979 		radeon_add_legacy_encoder(dev,
1980 					  radeon_get_encoder_enum(dev,
1981 								ATOM_DEVICE_CRT1_SUPPORT,
1982 								1),
1983 					  ATOM_DEVICE_CRT1_SUPPORT);
1984 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1985 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1986 					    CONNECTOR_OBJECT_ID_VGA,
1987 					    &hpd);
1988 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1989 		hpd.hpd = RADEON_HPD_NONE;
1990 		radeon_add_legacy_encoder(dev,
1991 					  radeon_get_encoder_enum(dev,
1992 								ATOM_DEVICE_CRT2_SUPPORT,
1993 								2),
1994 					  ATOM_DEVICE_CRT2_SUPPORT);
1995 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1996 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1997 					    CONNECTOR_OBJECT_ID_VGA,
1998 					    &hpd);
1999 		break;
2000 	case CT_MAC_X800:
2001 		DRM_INFO("Connector Table: %d (mac x800)\n",
2002 			 rdev->mode_info.connector_table);
2003 		/* DVI - primary dac, internal tmds */
2004 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2005 		hpd.hpd = RADEON_HPD_1; /* ??? */
2006 		radeon_add_legacy_encoder(dev,
2007 					  radeon_get_encoder_enum(dev,
2008 								  ATOM_DEVICE_DFP1_SUPPORT,
2009 								  0),
2010 					  ATOM_DEVICE_DFP1_SUPPORT);
2011 		radeon_add_legacy_encoder(dev,
2012 					  radeon_get_encoder_enum(dev,
2013 								  ATOM_DEVICE_CRT1_SUPPORT,
2014 								  1),
2015 					  ATOM_DEVICE_CRT1_SUPPORT);
2016 		radeon_add_legacy_connector(dev, 0,
2017 					    ATOM_DEVICE_DFP1_SUPPORT |
2018 					    ATOM_DEVICE_CRT1_SUPPORT,
2019 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2020 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2021 					    &hpd);
2022 		/* DVI - tv dac, dvo */
2023 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2024 		hpd.hpd = RADEON_HPD_2; /* ??? */
2025 		radeon_add_legacy_encoder(dev,
2026 					  radeon_get_encoder_enum(dev,
2027 								  ATOM_DEVICE_DFP2_SUPPORT,
2028 								  0),
2029 					  ATOM_DEVICE_DFP2_SUPPORT);
2030 		radeon_add_legacy_encoder(dev,
2031 					  radeon_get_encoder_enum(dev,
2032 								  ATOM_DEVICE_CRT2_SUPPORT,
2033 								  2),
2034 					  ATOM_DEVICE_CRT2_SUPPORT);
2035 		radeon_add_legacy_connector(dev, 1,
2036 					    ATOM_DEVICE_DFP2_SUPPORT |
2037 					    ATOM_DEVICE_CRT2_SUPPORT,
2038 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2039 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
2040 					    &hpd);
2041 		break;
2042 	case CT_MAC_G5_9600:
2043 		DRM_INFO("Connector Table: %d (mac g5 9600)\n",
2044 			 rdev->mode_info.connector_table);
2045 		/* DVI - tv dac, dvo */
2046 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2047 		hpd.hpd = RADEON_HPD_1; /* ??? */
2048 		radeon_add_legacy_encoder(dev,
2049 					  radeon_get_encoder_enum(dev,
2050 								  ATOM_DEVICE_DFP2_SUPPORT,
2051 								  0),
2052 					  ATOM_DEVICE_DFP2_SUPPORT);
2053 		radeon_add_legacy_encoder(dev,
2054 					  radeon_get_encoder_enum(dev,
2055 								  ATOM_DEVICE_CRT2_SUPPORT,
2056 								  2),
2057 					  ATOM_DEVICE_CRT2_SUPPORT);
2058 		radeon_add_legacy_connector(dev, 0,
2059 					    ATOM_DEVICE_DFP2_SUPPORT |
2060 					    ATOM_DEVICE_CRT2_SUPPORT,
2061 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2062 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2063 					    &hpd);
2064 		/* ADC - primary dac, internal tmds */
2065 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2066 		hpd.hpd = RADEON_HPD_2; /* ??? */
2067 		radeon_add_legacy_encoder(dev,
2068 					  radeon_get_encoder_enum(dev,
2069 								  ATOM_DEVICE_DFP1_SUPPORT,
2070 								  0),
2071 					  ATOM_DEVICE_DFP1_SUPPORT);
2072 		radeon_add_legacy_encoder(dev,
2073 					  radeon_get_encoder_enum(dev,
2074 								  ATOM_DEVICE_CRT1_SUPPORT,
2075 								  1),
2076 					  ATOM_DEVICE_CRT1_SUPPORT);
2077 		radeon_add_legacy_connector(dev, 1,
2078 					    ATOM_DEVICE_DFP1_SUPPORT |
2079 					    ATOM_DEVICE_CRT1_SUPPORT,
2080 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2081 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2082 					    &hpd);
2083 		/* TV - TV DAC */
2084 		ddc_i2c.valid = false;
2085 		hpd.hpd = RADEON_HPD_NONE;
2086 		radeon_add_legacy_encoder(dev,
2087 					  radeon_get_encoder_enum(dev,
2088 								ATOM_DEVICE_TV1_SUPPORT,
2089 								2),
2090 					  ATOM_DEVICE_TV1_SUPPORT);
2091 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2092 					    DRM_MODE_CONNECTOR_SVIDEO,
2093 					    &ddc_i2c,
2094 					    CONNECTOR_OBJECT_ID_SVIDEO,
2095 					    &hpd);
2096 		break;
2097 	case CT_SAM440EP:
2098 		DRM_INFO("Connector Table: %d (SAM440ep embedded board)\n",
2099 			 rdev->mode_info.connector_table);
2100 		/* LVDS */
2101 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
2102 		hpd.hpd = RADEON_HPD_NONE;
2103 		radeon_add_legacy_encoder(dev,
2104 					  radeon_get_encoder_enum(dev,
2105 								ATOM_DEVICE_LCD1_SUPPORT,
2106 								0),
2107 					  ATOM_DEVICE_LCD1_SUPPORT);
2108 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
2109 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
2110 					    CONNECTOR_OBJECT_ID_LVDS,
2111 					    &hpd);
2112 		/* DVI-I - secondary dac, int tmds */
2113 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2114 		hpd.hpd = RADEON_HPD_1; /* ??? */
2115 		radeon_add_legacy_encoder(dev,
2116 					  radeon_get_encoder_enum(dev,
2117 								ATOM_DEVICE_DFP1_SUPPORT,
2118 								0),
2119 					  ATOM_DEVICE_DFP1_SUPPORT);
2120 		radeon_add_legacy_encoder(dev,
2121 					  radeon_get_encoder_enum(dev,
2122 								ATOM_DEVICE_CRT2_SUPPORT,
2123 								2),
2124 					  ATOM_DEVICE_CRT2_SUPPORT);
2125 		radeon_add_legacy_connector(dev, 1,
2126 					    ATOM_DEVICE_DFP1_SUPPORT |
2127 					    ATOM_DEVICE_CRT2_SUPPORT,
2128 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2129 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2130 					    &hpd);
2131 		/* VGA - primary dac */
2132 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2133 		hpd.hpd = RADEON_HPD_NONE;
2134 		radeon_add_legacy_encoder(dev,
2135 					  radeon_get_encoder_enum(dev,
2136 								ATOM_DEVICE_CRT1_SUPPORT,
2137 								1),
2138 					  ATOM_DEVICE_CRT1_SUPPORT);
2139 		radeon_add_legacy_connector(dev, 2,
2140 					    ATOM_DEVICE_CRT1_SUPPORT,
2141 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2142 					    CONNECTOR_OBJECT_ID_VGA,
2143 					    &hpd);
2144 		/* TV - TV DAC */
2145 		ddc_i2c.valid = false;
2146 		hpd.hpd = RADEON_HPD_NONE;
2147 		radeon_add_legacy_encoder(dev,
2148 					  radeon_get_encoder_enum(dev,
2149 								ATOM_DEVICE_TV1_SUPPORT,
2150 								2),
2151 					  ATOM_DEVICE_TV1_SUPPORT);
2152 		radeon_add_legacy_connector(dev, 3, ATOM_DEVICE_TV1_SUPPORT,
2153 					    DRM_MODE_CONNECTOR_SVIDEO,
2154 					    &ddc_i2c,
2155 					    CONNECTOR_OBJECT_ID_SVIDEO,
2156 					    &hpd);
2157 		break;
2158 	case CT_MAC_G4_SILVER:
2159 		DRM_INFO("Connector Table: %d (mac g4 silver)\n",
2160 			 rdev->mode_info.connector_table);
2161 		/* DVI-I - tv dac, int tmds */
2162 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2163 		hpd.hpd = RADEON_HPD_1; /* ??? */
2164 		radeon_add_legacy_encoder(dev,
2165 					  radeon_get_encoder_enum(dev,
2166 								ATOM_DEVICE_DFP1_SUPPORT,
2167 								0),
2168 					  ATOM_DEVICE_DFP1_SUPPORT);
2169 		radeon_add_legacy_encoder(dev,
2170 					  radeon_get_encoder_enum(dev,
2171 								ATOM_DEVICE_CRT2_SUPPORT,
2172 								2),
2173 					  ATOM_DEVICE_CRT2_SUPPORT);
2174 		radeon_add_legacy_connector(dev, 0,
2175 					    ATOM_DEVICE_DFP1_SUPPORT |
2176 					    ATOM_DEVICE_CRT2_SUPPORT,
2177 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2178 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2179 					    &hpd);
2180 		/* VGA - primary dac */
2181 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2182 		hpd.hpd = RADEON_HPD_NONE;
2183 		radeon_add_legacy_encoder(dev,
2184 					  radeon_get_encoder_enum(dev,
2185 								ATOM_DEVICE_CRT1_SUPPORT,
2186 								1),
2187 					  ATOM_DEVICE_CRT1_SUPPORT);
2188 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
2189 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2190 					    CONNECTOR_OBJECT_ID_VGA,
2191 					    &hpd);
2192 		/* TV - TV DAC */
2193 		ddc_i2c.valid = false;
2194 		hpd.hpd = RADEON_HPD_NONE;
2195 		radeon_add_legacy_encoder(dev,
2196 					  radeon_get_encoder_enum(dev,
2197 								ATOM_DEVICE_TV1_SUPPORT,
2198 								2),
2199 					  ATOM_DEVICE_TV1_SUPPORT);
2200 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2201 					    DRM_MODE_CONNECTOR_SVIDEO,
2202 					    &ddc_i2c,
2203 					    CONNECTOR_OBJECT_ID_SVIDEO,
2204 					    &hpd);
2205 		break;
2206 	default:
2207 		DRM_INFO("Connector table: %d (invalid)\n",
2208 			 rdev->mode_info.connector_table);
2209 		return false;
2210 	}
2211 
2212 	radeon_link_encoder_connector(dev);
2213 
2214 	return true;
2215 }
2216 
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)2217 static bool radeon_apply_legacy_quirks(struct drm_device *dev,
2218 				       int bios_index,
2219 				       enum radeon_combios_connector
2220 				       *legacy_connector,
2221 				       struct radeon_i2c_bus_rec *ddc_i2c,
2222 				       struct radeon_hpd *hpd)
2223 {
2224 
2225 	/* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
2226 	   one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
2227 	if (dev->pdev->device == 0x515e &&
2228 	    dev->pdev->subsystem_vendor == 0x1014) {
2229 		if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
2230 		    ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
2231 			return false;
2232 	}
2233 
2234 	/* X300 card with extra non-existent DVI port */
2235 	if (dev->pdev->device == 0x5B60 &&
2236 	    dev->pdev->subsystem_vendor == 0x17af &&
2237 	    dev->pdev->subsystem_device == 0x201e && bios_index == 2) {
2238 		if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
2239 			return false;
2240 	}
2241 
2242 	return true;
2243 }
2244 
radeon_apply_legacy_tv_quirks(struct drm_device * dev)2245 static bool radeon_apply_legacy_tv_quirks(struct drm_device *dev)
2246 {
2247 	/* Acer 5102 has non-existent TV port */
2248 	if (dev->pdev->device == 0x5975 &&
2249 	    dev->pdev->subsystem_vendor == 0x1025 &&
2250 	    dev->pdev->subsystem_device == 0x009f)
2251 		return false;
2252 
2253 	/* HP dc5750 has non-existent TV port */
2254 	if (dev->pdev->device == 0x5974 &&
2255 	    dev->pdev->subsystem_vendor == 0x103c &&
2256 	    dev->pdev->subsystem_device == 0x280a)
2257 		return false;
2258 
2259 	/* MSI S270 has non-existent TV port */
2260 	if (dev->pdev->device == 0x5955 &&
2261 	    dev->pdev->subsystem_vendor == 0x1462 &&
2262 	    dev->pdev->subsystem_device == 0x0131)
2263 		return false;
2264 
2265 	return true;
2266 }
2267 
combios_check_dl_dvi(struct drm_device * dev,int is_dvi_d)2268 static uint16_t combios_check_dl_dvi(struct drm_device *dev, int is_dvi_d)
2269 {
2270 	struct radeon_device *rdev = dev->dev_private;
2271 	uint32_t ext_tmds_info;
2272 
2273 	if (rdev->flags & RADEON_IS_IGP) {
2274 		if (is_dvi_d)
2275 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2276 		else
2277 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2278 	}
2279 	ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2280 	if (ext_tmds_info) {
2281 		uint8_t rev = RBIOS8(ext_tmds_info);
2282 		uint8_t flags = RBIOS8(ext_tmds_info + 4 + 5);
2283 		if (rev >= 3) {
2284 			if (is_dvi_d)
2285 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2286 			else
2287 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2288 		} else {
2289 			if (flags & 1) {
2290 				if (is_dvi_d)
2291 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2292 				else
2293 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2294 			}
2295 		}
2296 	}
2297 	if (is_dvi_d)
2298 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2299 	else
2300 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2301 }
2302 
radeon_get_legacy_connector_info_from_bios(struct drm_device * dev)2303 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
2304 {
2305 	struct radeon_device *rdev = dev->dev_private;
2306 	uint32_t conn_info, entry, devices;
2307 	uint16_t tmp, connector_object_id;
2308 	enum radeon_combios_ddc ddc_type;
2309 	enum radeon_combios_connector connector;
2310 	int i = 0;
2311 	struct radeon_i2c_bus_rec ddc_i2c;
2312 	struct radeon_hpd hpd;
2313 
2314 	conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
2315 	if (conn_info) {
2316 		for (i = 0; i < 4; i++) {
2317 			entry = conn_info + 2 + i * 2;
2318 
2319 			if (!RBIOS16(entry))
2320 				break;
2321 
2322 			tmp = RBIOS16(entry);
2323 
2324 			connector = (tmp >> 12) & 0xf;
2325 
2326 			ddc_type = (tmp >> 8) & 0xf;
2327 			ddc_i2c = combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2328 
2329 			switch (connector) {
2330 			case CONNECTOR_PROPRIETARY_LEGACY:
2331 			case CONNECTOR_DVI_I_LEGACY:
2332 			case CONNECTOR_DVI_D_LEGACY:
2333 				if ((tmp >> 4) & 0x1)
2334 					hpd.hpd = RADEON_HPD_2;
2335 				else
2336 					hpd.hpd = RADEON_HPD_1;
2337 				break;
2338 			default:
2339 				hpd.hpd = RADEON_HPD_NONE;
2340 				break;
2341 			}
2342 
2343 			if (!radeon_apply_legacy_quirks(dev, i, &connector,
2344 							&ddc_i2c, &hpd))
2345 				continue;
2346 
2347 			switch (connector) {
2348 			case CONNECTOR_PROPRIETARY_LEGACY:
2349 				if ((tmp >> 4) & 0x1)
2350 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2351 				else
2352 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2353 				radeon_add_legacy_encoder(dev,
2354 							  radeon_get_encoder_enum
2355 							  (dev, devices, 0),
2356 							  devices);
2357 				radeon_add_legacy_connector(dev, i, devices,
2358 							    legacy_connector_convert
2359 							    [connector],
2360 							    &ddc_i2c,
2361 							    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
2362 							    &hpd);
2363 				break;
2364 			case CONNECTOR_CRT_LEGACY:
2365 				if (tmp & 0x1) {
2366 					devices = ATOM_DEVICE_CRT2_SUPPORT;
2367 					radeon_add_legacy_encoder(dev,
2368 								  radeon_get_encoder_enum
2369 								  (dev,
2370 								   ATOM_DEVICE_CRT2_SUPPORT,
2371 								   2),
2372 								  ATOM_DEVICE_CRT2_SUPPORT);
2373 				} else {
2374 					devices = ATOM_DEVICE_CRT1_SUPPORT;
2375 					radeon_add_legacy_encoder(dev,
2376 								  radeon_get_encoder_enum
2377 								  (dev,
2378 								   ATOM_DEVICE_CRT1_SUPPORT,
2379 								   1),
2380 								  ATOM_DEVICE_CRT1_SUPPORT);
2381 				}
2382 				radeon_add_legacy_connector(dev,
2383 							    i,
2384 							    devices,
2385 							    legacy_connector_convert
2386 							    [connector],
2387 							    &ddc_i2c,
2388 							    CONNECTOR_OBJECT_ID_VGA,
2389 							    &hpd);
2390 				break;
2391 			case CONNECTOR_DVI_I_LEGACY:
2392 				devices = 0;
2393 				if (tmp & 0x1) {
2394 					devices |= ATOM_DEVICE_CRT2_SUPPORT;
2395 					radeon_add_legacy_encoder(dev,
2396 								  radeon_get_encoder_enum
2397 								  (dev,
2398 								   ATOM_DEVICE_CRT2_SUPPORT,
2399 								   2),
2400 								  ATOM_DEVICE_CRT2_SUPPORT);
2401 				} else {
2402 					devices |= ATOM_DEVICE_CRT1_SUPPORT;
2403 					radeon_add_legacy_encoder(dev,
2404 								  radeon_get_encoder_enum
2405 								  (dev,
2406 								   ATOM_DEVICE_CRT1_SUPPORT,
2407 								   1),
2408 								  ATOM_DEVICE_CRT1_SUPPORT);
2409 				}
2410 				/* RV100 board with external TDMS bit mis-set.
2411 				 * Actually uses internal TMDS, clear the bit.
2412 				 */
2413 				if (dev->pdev->device == 0x5159 &&
2414 				    dev->pdev->subsystem_vendor == 0x1014 &&
2415 				    dev->pdev->subsystem_device == 0x029A) {
2416 					tmp &= ~(1 << 4);
2417 				}
2418 				if ((tmp >> 4) & 0x1) {
2419 					devices |= ATOM_DEVICE_DFP2_SUPPORT;
2420 					radeon_add_legacy_encoder(dev,
2421 								  radeon_get_encoder_enum
2422 								  (dev,
2423 								   ATOM_DEVICE_DFP2_SUPPORT,
2424 								   0),
2425 								  ATOM_DEVICE_DFP2_SUPPORT);
2426 					connector_object_id = combios_check_dl_dvi(dev, 0);
2427 				} else {
2428 					devices |= ATOM_DEVICE_DFP1_SUPPORT;
2429 					radeon_add_legacy_encoder(dev,
2430 								  radeon_get_encoder_enum
2431 								  (dev,
2432 								   ATOM_DEVICE_DFP1_SUPPORT,
2433 								   0),
2434 								  ATOM_DEVICE_DFP1_SUPPORT);
2435 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2436 				}
2437 				radeon_add_legacy_connector(dev,
2438 							    i,
2439 							    devices,
2440 							    legacy_connector_convert
2441 							    [connector],
2442 							    &ddc_i2c,
2443 							    connector_object_id,
2444 							    &hpd);
2445 				break;
2446 			case CONNECTOR_DVI_D_LEGACY:
2447 				if ((tmp >> 4) & 0x1) {
2448 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2449 					connector_object_id = combios_check_dl_dvi(dev, 1);
2450 				} else {
2451 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2452 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2453 				}
2454 				radeon_add_legacy_encoder(dev,
2455 							  radeon_get_encoder_enum
2456 							  (dev, devices, 0),
2457 							  devices);
2458 				radeon_add_legacy_connector(dev, i, devices,
2459 							    legacy_connector_convert
2460 							    [connector],
2461 							    &ddc_i2c,
2462 							    connector_object_id,
2463 							    &hpd);
2464 				break;
2465 			case CONNECTOR_CTV_LEGACY:
2466 			case CONNECTOR_STV_LEGACY:
2467 				radeon_add_legacy_encoder(dev,
2468 							  radeon_get_encoder_enum
2469 							  (dev,
2470 							   ATOM_DEVICE_TV1_SUPPORT,
2471 							   2),
2472 							  ATOM_DEVICE_TV1_SUPPORT);
2473 				radeon_add_legacy_connector(dev, i,
2474 							    ATOM_DEVICE_TV1_SUPPORT,
2475 							    legacy_connector_convert
2476 							    [connector],
2477 							    &ddc_i2c,
2478 							    CONNECTOR_OBJECT_ID_SVIDEO,
2479 							    &hpd);
2480 				break;
2481 			default:
2482 				DRM_ERROR("Unknown connector type: %d\n",
2483 					  connector);
2484 				continue;
2485 			}
2486 
2487 		}
2488 	} else {
2489 		uint16_t tmds_info =
2490 		    combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
2491 		if (tmds_info) {
2492 			DRM_DEBUG_KMS("Found DFP table, assuming DVI connector\n");
2493 
2494 			radeon_add_legacy_encoder(dev,
2495 						  radeon_get_encoder_enum(dev,
2496 									ATOM_DEVICE_CRT1_SUPPORT,
2497 									1),
2498 						  ATOM_DEVICE_CRT1_SUPPORT);
2499 			radeon_add_legacy_encoder(dev,
2500 						  radeon_get_encoder_enum(dev,
2501 									ATOM_DEVICE_DFP1_SUPPORT,
2502 									0),
2503 						  ATOM_DEVICE_DFP1_SUPPORT);
2504 
2505 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2506 			hpd.hpd = RADEON_HPD_1;
2507 			radeon_add_legacy_connector(dev,
2508 						    0,
2509 						    ATOM_DEVICE_CRT1_SUPPORT |
2510 						    ATOM_DEVICE_DFP1_SUPPORT,
2511 						    DRM_MODE_CONNECTOR_DVII,
2512 						    &ddc_i2c,
2513 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2514 						    &hpd);
2515 		} else {
2516 			uint16_t crt_info =
2517 				combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
2518 			DRM_DEBUG_KMS("Found CRT table, assuming VGA connector\n");
2519 			if (crt_info) {
2520 				radeon_add_legacy_encoder(dev,
2521 							  radeon_get_encoder_enum(dev,
2522 										ATOM_DEVICE_CRT1_SUPPORT,
2523 										1),
2524 							  ATOM_DEVICE_CRT1_SUPPORT);
2525 				ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2526 				hpd.hpd = RADEON_HPD_NONE;
2527 				radeon_add_legacy_connector(dev,
2528 							    0,
2529 							    ATOM_DEVICE_CRT1_SUPPORT,
2530 							    DRM_MODE_CONNECTOR_VGA,
2531 							    &ddc_i2c,
2532 							    CONNECTOR_OBJECT_ID_VGA,
2533 							    &hpd);
2534 			} else {
2535 				DRM_DEBUG_KMS("No connector info found\n");
2536 				return false;
2537 			}
2538 		}
2539 	}
2540 
2541 	if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
2542 		uint16_t lcd_info =
2543 		    combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
2544 		if (lcd_info) {
2545 			uint16_t lcd_ddc_info =
2546 			    combios_get_table_offset(dev,
2547 						     COMBIOS_LCD_DDC_INFO_TABLE);
2548 
2549 			radeon_add_legacy_encoder(dev,
2550 						  radeon_get_encoder_enum(dev,
2551 									ATOM_DEVICE_LCD1_SUPPORT,
2552 									0),
2553 						  ATOM_DEVICE_LCD1_SUPPORT);
2554 
2555 			if (lcd_ddc_info) {
2556 				ddc_type = RBIOS8(lcd_ddc_info + 2);
2557 				switch (ddc_type) {
2558 				case DDC_LCD:
2559 					ddc_i2c =
2560 						combios_setup_i2c_bus(rdev,
2561 								      DDC_LCD,
2562 								      RBIOS32(lcd_ddc_info + 3),
2563 								      RBIOS32(lcd_ddc_info + 7));
2564 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2565 					break;
2566 				case DDC_GPIO:
2567 					ddc_i2c =
2568 						combios_setup_i2c_bus(rdev,
2569 								      DDC_GPIO,
2570 								      RBIOS32(lcd_ddc_info + 3),
2571 								      RBIOS32(lcd_ddc_info + 7));
2572 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2573 					break;
2574 				default:
2575 					ddc_i2c =
2576 						combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2577 					break;
2578 				}
2579 				DRM_DEBUG_KMS("LCD DDC Info Table found!\n");
2580 			} else
2581 				ddc_i2c.valid = false;
2582 
2583 			hpd.hpd = RADEON_HPD_NONE;
2584 			radeon_add_legacy_connector(dev,
2585 						    5,
2586 						    ATOM_DEVICE_LCD1_SUPPORT,
2587 						    DRM_MODE_CONNECTOR_LVDS,
2588 						    &ddc_i2c,
2589 						    CONNECTOR_OBJECT_ID_LVDS,
2590 						    &hpd);
2591 		}
2592 	}
2593 
2594 	/* check TV table */
2595 	if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
2596 		uint32_t tv_info =
2597 		    combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
2598 		if (tv_info) {
2599 			if (RBIOS8(tv_info + 6) == 'T') {
2600 				if (radeon_apply_legacy_tv_quirks(dev)) {
2601 					hpd.hpd = RADEON_HPD_NONE;
2602 					ddc_i2c.valid = false;
2603 					radeon_add_legacy_encoder(dev,
2604 								  radeon_get_encoder_enum
2605 								  (dev,
2606 								   ATOM_DEVICE_TV1_SUPPORT,
2607 								   2),
2608 								  ATOM_DEVICE_TV1_SUPPORT);
2609 					radeon_add_legacy_connector(dev, 6,
2610 								    ATOM_DEVICE_TV1_SUPPORT,
2611 								    DRM_MODE_CONNECTOR_SVIDEO,
2612 								    &ddc_i2c,
2613 								    CONNECTOR_OBJECT_ID_SVIDEO,
2614 								    &hpd);
2615 				}
2616 			}
2617 		}
2618 	}
2619 
2620 	radeon_link_encoder_connector(dev);
2621 
2622 	return true;
2623 }
2624 
2625 static const char *thermal_controller_names[] = {
2626 	"NONE",
2627 	"lm63",
2628 	"adm1032",
2629 };
2630 
radeon_combios_get_power_modes(struct radeon_device * rdev)2631 void radeon_combios_get_power_modes(struct radeon_device *rdev)
2632 {
2633 	struct drm_device *dev = rdev->ddev;
2634 	u16 offset, misc, misc2 = 0;
2635 	u8 rev, blocks, tmp;
2636 	int state_index = 0;
2637 	struct radeon_i2c_bus_rec i2c_bus;
2638 
2639 	rdev->pm.default_power_state_index = -1;
2640 
2641 	/* allocate 2 power states */
2642 	rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state) * 2, GFP_KERNEL);
2643 	if (rdev->pm.power_state) {
2644 		/* allocate 1 clock mode per state */
2645 		rdev->pm.power_state[0].clock_info =
2646 			kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
2647 		rdev->pm.power_state[1].clock_info =
2648 			kzalloc(sizeof(struct radeon_pm_clock_info) * 1, GFP_KERNEL);
2649 		if (!rdev->pm.power_state[0].clock_info ||
2650 		    !rdev->pm.power_state[1].clock_info)
2651 			goto pm_failed;
2652 	} else
2653 		goto pm_failed;
2654 
2655 	/* check for a thermal chip */
2656 	offset = combios_get_table_offset(dev, COMBIOS_OVERDRIVE_INFO_TABLE);
2657 	if (offset) {
2658 		u8 thermal_controller = 0, gpio = 0, i2c_addr = 0, clk_bit = 0, data_bit = 0;
2659 
2660 		rev = RBIOS8(offset);
2661 
2662 		if (rev == 0) {
2663 			thermal_controller = RBIOS8(offset + 3);
2664 			gpio = RBIOS8(offset + 4) & 0x3f;
2665 			i2c_addr = RBIOS8(offset + 5);
2666 		} else if (rev == 1) {
2667 			thermal_controller = RBIOS8(offset + 4);
2668 			gpio = RBIOS8(offset + 5) & 0x3f;
2669 			i2c_addr = RBIOS8(offset + 6);
2670 		} else if (rev == 2) {
2671 			thermal_controller = RBIOS8(offset + 4);
2672 			gpio = RBIOS8(offset + 5) & 0x3f;
2673 			i2c_addr = RBIOS8(offset + 6);
2674 			clk_bit = RBIOS8(offset + 0xa);
2675 			data_bit = RBIOS8(offset + 0xb);
2676 		}
2677 		if ((thermal_controller > 0) && (thermal_controller < 3)) {
2678 			DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2679 				 thermal_controller_names[thermal_controller],
2680 				 i2c_addr >> 1);
2681 			if (gpio == DDC_LCD) {
2682 				/* MM i2c */
2683 				i2c_bus.valid = true;
2684 				i2c_bus.hw_capable = true;
2685 				i2c_bus.mm_i2c = true;
2686 				i2c_bus.i2c_id = 0xa0;
2687 			} else if (gpio == DDC_GPIO)
2688 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 1 << clk_bit, 1 << data_bit);
2689 			else
2690 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
2691 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2692 			if (rdev->pm.i2c_bus) {
2693 				struct i2c_board_info info = { };
2694 				const char *name = thermal_controller_names[thermal_controller];
2695 				info.addr = i2c_addr >> 1;
2696 				strlcpy(info.type, name, sizeof(info.type));
2697 				i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
2698 			}
2699 		}
2700 	} else {
2701 		/* boards with a thermal chip, but no overdrive table */
2702 
2703 		/* Asus 9600xt has an f75375 on the monid bus */
2704 		if ((dev->pdev->device == 0x4152) &&
2705 		    (dev->pdev->subsystem_vendor == 0x1043) &&
2706 		    (dev->pdev->subsystem_device == 0xc002)) {
2707 			i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2708 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2709 			if (rdev->pm.i2c_bus) {
2710 				struct i2c_board_info info = { };
2711 				const char *name = "f75375";
2712 				info.addr = 0x28;
2713 				strlcpy(info.type, name, sizeof(info.type));
2714 				i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
2715 				DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2716 					 name, info.addr);
2717 			}
2718 		}
2719 	}
2720 
2721 	if (rdev->flags & RADEON_IS_MOBILITY) {
2722 		offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
2723 		if (offset) {
2724 			rev = RBIOS8(offset);
2725 			blocks = RBIOS8(offset + 0x2);
2726 			/* power mode 0 tends to be the only valid one */
2727 			rdev->pm.power_state[state_index].num_clock_modes = 1;
2728 			rdev->pm.power_state[state_index].clock_info[0].mclk = RBIOS32(offset + 0x5 + 0x2);
2729 			rdev->pm.power_state[state_index].clock_info[0].sclk = RBIOS32(offset + 0x5 + 0x6);
2730 			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2731 			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2732 				goto default_mode;
2733 			rdev->pm.power_state[state_index].type =
2734 				POWER_STATE_TYPE_BATTERY;
2735 			misc = RBIOS16(offset + 0x5 + 0x0);
2736 			if (rev > 4)
2737 				misc2 = RBIOS16(offset + 0x5 + 0xe);
2738 			rdev->pm.power_state[state_index].misc = misc;
2739 			rdev->pm.power_state[state_index].misc2 = misc2;
2740 			if (misc & 0x4) {
2741 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
2742 				if (misc & 0x8)
2743 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2744 						true;
2745 				else
2746 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2747 						false;
2748 				rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = true;
2749 				if (rev < 6) {
2750 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2751 						RBIOS16(offset + 0x5 + 0xb) * 4;
2752 					tmp = RBIOS8(offset + 0x5 + 0xd);
2753 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2754 				} else {
2755 					u8 entries = RBIOS8(offset + 0x5 + 0xb);
2756 					u16 voltage_table_offset = RBIOS16(offset + 0x5 + 0xc);
2757 					if (entries && voltage_table_offset) {
2758 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2759 							RBIOS16(voltage_table_offset) * 4;
2760 						tmp = RBIOS8(voltage_table_offset + 0x2);
2761 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2762 					} else
2763 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = false;
2764 				}
2765 				switch ((misc2 & 0x700) >> 8) {
2766 				case 0:
2767 				default:
2768 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 0;
2769 					break;
2770 				case 1:
2771 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 33;
2772 					break;
2773 				case 2:
2774 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 66;
2775 					break;
2776 				case 3:
2777 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 99;
2778 					break;
2779 				case 4:
2780 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 132;
2781 					break;
2782 				}
2783 			} else
2784 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2785 			if (rev > 6)
2786 				rdev->pm.power_state[state_index].pcie_lanes =
2787 					RBIOS8(offset + 0x5 + 0x10);
2788 			rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2789 			state_index++;
2790 		} else {
2791 			/* XXX figure out some good default low power mode for mobility cards w/out power tables */
2792 		}
2793 	} else {
2794 		/* XXX figure out some good default low power mode for desktop cards */
2795 	}
2796 
2797 default_mode:
2798 	/* add the default mode */
2799 	rdev->pm.power_state[state_index].type =
2800 		POWER_STATE_TYPE_DEFAULT;
2801 	rdev->pm.power_state[state_index].num_clock_modes = 1;
2802 	rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
2803 	rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
2804 	rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
2805 	if ((state_index > 0) &&
2806 	    (rdev->pm.power_state[0].clock_info[0].voltage.type == VOLTAGE_GPIO))
2807 		rdev->pm.power_state[state_index].clock_info[0].voltage =
2808 			rdev->pm.power_state[0].clock_info[0].voltage;
2809 	else
2810 		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2811 	rdev->pm.power_state[state_index].pcie_lanes = 16;
2812 	rdev->pm.power_state[state_index].flags = 0;
2813 	rdev->pm.default_power_state_index = state_index;
2814 	rdev->pm.num_power_states = state_index + 1;
2815 
2816 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2817 	rdev->pm.current_clock_mode_index = 0;
2818 	return;
2819 
2820 pm_failed:
2821 	rdev->pm.default_power_state_index = state_index;
2822 	rdev->pm.num_power_states = 0;
2823 
2824 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2825 	rdev->pm.current_clock_mode_index = 0;
2826 }
2827 
radeon_external_tmds_setup(struct drm_encoder * encoder)2828 void radeon_external_tmds_setup(struct drm_encoder *encoder)
2829 {
2830 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2831 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2832 
2833 	if (!tmds)
2834 		return;
2835 
2836 	switch (tmds->dvo_chip) {
2837 	case DVO_SIL164:
2838 		/* sil 164 */
2839 		radeon_i2c_put_byte(tmds->i2c_bus,
2840 				    tmds->slave_addr,
2841 				    0x08, 0x30);
2842 		radeon_i2c_put_byte(tmds->i2c_bus,
2843 				       tmds->slave_addr,
2844 				       0x09, 0x00);
2845 		radeon_i2c_put_byte(tmds->i2c_bus,
2846 				    tmds->slave_addr,
2847 				    0x0a, 0x90);
2848 		radeon_i2c_put_byte(tmds->i2c_bus,
2849 				    tmds->slave_addr,
2850 				    0x0c, 0x89);
2851 		radeon_i2c_put_byte(tmds->i2c_bus,
2852 				       tmds->slave_addr,
2853 				       0x08, 0x3b);
2854 		break;
2855 	case DVO_SIL1178:
2856 		/* sil 1178 - untested */
2857 		/*
2858 		 * 0x0f, 0x44
2859 		 * 0x0f, 0x4c
2860 		 * 0x0e, 0x01
2861 		 * 0x0a, 0x80
2862 		 * 0x09, 0x30
2863 		 * 0x0c, 0xc9
2864 		 * 0x0d, 0x70
2865 		 * 0x08, 0x32
2866 		 * 0x08, 0x33
2867 		 */
2868 		break;
2869 	default:
2870 		break;
2871 	}
2872 
2873 }
2874 
radeon_combios_external_tmds_setup(struct drm_encoder * encoder)2875 bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
2876 {
2877 	struct drm_device *dev = encoder->dev;
2878 	struct radeon_device *rdev = dev->dev_private;
2879 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2880 	uint16_t offset;
2881 	uint8_t blocks, slave_addr, rev;
2882 	uint32_t index, id;
2883 	uint32_t reg, val, and_mask, or_mask;
2884 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2885 
2886 	if (!tmds)
2887 		return false;
2888 
2889 	if (rdev->flags & RADEON_IS_IGP) {
2890 		offset = combios_get_table_offset(dev, COMBIOS_TMDS_POWER_ON_TABLE);
2891 		rev = RBIOS8(offset);
2892 		if (offset) {
2893 			rev = RBIOS8(offset);
2894 			if (rev > 1) {
2895 				blocks = RBIOS8(offset + 3);
2896 				index = offset + 4;
2897 				while (blocks > 0) {
2898 					id = RBIOS16(index);
2899 					index += 2;
2900 					switch (id >> 13) {
2901 					case 0:
2902 						reg = (id & 0x1fff) * 4;
2903 						val = RBIOS32(index);
2904 						index += 4;
2905 						WREG32(reg, val);
2906 						break;
2907 					case 2:
2908 						reg = (id & 0x1fff) * 4;
2909 						and_mask = RBIOS32(index);
2910 						index += 4;
2911 						or_mask = RBIOS32(index);
2912 						index += 4;
2913 						val = RREG32(reg);
2914 						val = (val & and_mask) | or_mask;
2915 						WREG32(reg, val);
2916 						break;
2917 					case 3:
2918 						val = RBIOS16(index);
2919 						index += 2;
2920 						udelay(val);
2921 						break;
2922 					case 4:
2923 						val = RBIOS16(index);
2924 						index += 2;
2925 						mdelay(val);
2926 						break;
2927 					case 6:
2928 						slave_addr = id & 0xff;
2929 						slave_addr >>= 1; /* 7 bit addressing */
2930 						index++;
2931 						reg = RBIOS8(index);
2932 						index++;
2933 						val = RBIOS8(index);
2934 						index++;
2935 						radeon_i2c_put_byte(tmds->i2c_bus,
2936 								    slave_addr,
2937 								    reg, val);
2938 						break;
2939 					default:
2940 						DRM_ERROR("Unknown id %d\n", id >> 13);
2941 						break;
2942 					}
2943 					blocks--;
2944 				}
2945 				return true;
2946 			}
2947 		}
2948 	} else {
2949 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2950 		if (offset) {
2951 			index = offset + 10;
2952 			id = RBIOS16(index);
2953 			while (id != 0xffff) {
2954 				index += 2;
2955 				switch (id >> 13) {
2956 				case 0:
2957 					reg = (id & 0x1fff) * 4;
2958 					val = RBIOS32(index);
2959 					WREG32(reg, val);
2960 					break;
2961 				case 2:
2962 					reg = (id & 0x1fff) * 4;
2963 					and_mask = RBIOS32(index);
2964 					index += 4;
2965 					or_mask = RBIOS32(index);
2966 					index += 4;
2967 					val = RREG32(reg);
2968 					val = (val & and_mask) | or_mask;
2969 					WREG32(reg, val);
2970 					break;
2971 				case 4:
2972 					val = RBIOS16(index);
2973 					index += 2;
2974 					udelay(val);
2975 					break;
2976 				case 5:
2977 					reg = id & 0x1fff;
2978 					and_mask = RBIOS32(index);
2979 					index += 4;
2980 					or_mask = RBIOS32(index);
2981 					index += 4;
2982 					val = RREG32_PLL(reg);
2983 					val = (val & and_mask) | or_mask;
2984 					WREG32_PLL(reg, val);
2985 					break;
2986 				case 6:
2987 					reg = id & 0x1fff;
2988 					val = RBIOS8(index);
2989 					index += 1;
2990 					radeon_i2c_put_byte(tmds->i2c_bus,
2991 							    tmds->slave_addr,
2992 							    reg, val);
2993 					break;
2994 				default:
2995 					DRM_ERROR("Unknown id %d\n", id >> 13);
2996 					break;
2997 				}
2998 				id = RBIOS16(index);
2999 			}
3000 			return true;
3001 		}
3002 	}
3003 	return false;
3004 }
3005 
combios_parse_mmio_table(struct drm_device * dev,uint16_t offset)3006 static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
3007 {
3008 	struct radeon_device *rdev = dev->dev_private;
3009 
3010 	if (offset) {
3011 		while (RBIOS16(offset)) {
3012 			uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
3013 			uint32_t addr = (RBIOS16(offset) & 0x1fff);
3014 			uint32_t val, and_mask, or_mask;
3015 			uint32_t tmp;
3016 
3017 			offset += 2;
3018 			switch (cmd) {
3019 			case 0:
3020 				val = RBIOS32(offset);
3021 				offset += 4;
3022 				WREG32(addr, val);
3023 				break;
3024 			case 1:
3025 				val = RBIOS32(offset);
3026 				offset += 4;
3027 				WREG32(addr, val);
3028 				break;
3029 			case 2:
3030 				and_mask = RBIOS32(offset);
3031 				offset += 4;
3032 				or_mask = RBIOS32(offset);
3033 				offset += 4;
3034 				tmp = RREG32(addr);
3035 				tmp &= and_mask;
3036 				tmp |= or_mask;
3037 				WREG32(addr, tmp);
3038 				break;
3039 			case 3:
3040 				and_mask = RBIOS32(offset);
3041 				offset += 4;
3042 				or_mask = RBIOS32(offset);
3043 				offset += 4;
3044 				tmp = RREG32(addr);
3045 				tmp &= and_mask;
3046 				tmp |= or_mask;
3047 				WREG32(addr, tmp);
3048 				break;
3049 			case 4:
3050 				val = RBIOS16(offset);
3051 				offset += 2;
3052 				udelay(val);
3053 				break;
3054 			case 5:
3055 				val = RBIOS16(offset);
3056 				offset += 2;
3057 				switch (addr) {
3058 				case 8:
3059 					while (val--) {
3060 						if (!
3061 						    (RREG32_PLL
3062 						     (RADEON_CLK_PWRMGT_CNTL) &
3063 						     RADEON_MC_BUSY))
3064 							break;
3065 					}
3066 					break;
3067 				case 9:
3068 					while (val--) {
3069 						if ((RREG32(RADEON_MC_STATUS) &
3070 						     RADEON_MC_IDLE))
3071 							break;
3072 					}
3073 					break;
3074 				default:
3075 					break;
3076 				}
3077 				break;
3078 			default:
3079 				break;
3080 			}
3081 		}
3082 	}
3083 }
3084 
combios_parse_pll_table(struct drm_device * dev,uint16_t offset)3085 static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
3086 {
3087 	struct radeon_device *rdev = dev->dev_private;
3088 
3089 	if (offset) {
3090 		while (RBIOS8(offset)) {
3091 			uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
3092 			uint8_t addr = (RBIOS8(offset) & 0x3f);
3093 			uint32_t val, shift, tmp;
3094 			uint32_t and_mask, or_mask;
3095 
3096 			offset++;
3097 			switch (cmd) {
3098 			case 0:
3099 				val = RBIOS32(offset);
3100 				offset += 4;
3101 				WREG32_PLL(addr, val);
3102 				break;
3103 			case 1:
3104 				shift = RBIOS8(offset) * 8;
3105 				offset++;
3106 				and_mask = RBIOS8(offset) << shift;
3107 				and_mask |= ~(0xff << shift);
3108 				offset++;
3109 				or_mask = RBIOS8(offset) << shift;
3110 				offset++;
3111 				tmp = RREG32_PLL(addr);
3112 				tmp &= and_mask;
3113 				tmp |= or_mask;
3114 				WREG32_PLL(addr, tmp);
3115 				break;
3116 			case 2:
3117 			case 3:
3118 				tmp = 1000;
3119 				switch (addr) {
3120 				case 1:
3121 					udelay(150);
3122 					break;
3123 				case 2:
3124 					mdelay(1);
3125 					break;
3126 				case 3:
3127 					while (tmp--) {
3128 						if (!
3129 						    (RREG32_PLL
3130 						     (RADEON_CLK_PWRMGT_CNTL) &
3131 						     RADEON_MC_BUSY))
3132 							break;
3133 					}
3134 					break;
3135 				case 4:
3136 					while (tmp--) {
3137 						if (RREG32_PLL
3138 						    (RADEON_CLK_PWRMGT_CNTL) &
3139 						    RADEON_DLL_READY)
3140 							break;
3141 					}
3142 					break;
3143 				case 5:
3144 					tmp =
3145 					    RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
3146 					if (tmp & RADEON_CG_NO1_DEBUG_0) {
3147 #if 0
3148 						uint32_t mclk_cntl =
3149 						    RREG32_PLL
3150 						    (RADEON_MCLK_CNTL);
3151 						mclk_cntl &= 0xffff0000;
3152 						/*mclk_cntl |= 0x00001111;*//* ??? */
3153 						WREG32_PLL(RADEON_MCLK_CNTL,
3154 							   mclk_cntl);
3155 						mdelay(10);
3156 #endif
3157 						WREG32_PLL
3158 						    (RADEON_CLK_PWRMGT_CNTL,
3159 						     tmp &
3160 						     ~RADEON_CG_NO1_DEBUG_0);
3161 						mdelay(10);
3162 					}
3163 					break;
3164 				default:
3165 					break;
3166 				}
3167 				break;
3168 			default:
3169 				break;
3170 			}
3171 		}
3172 	}
3173 }
3174 
combios_parse_ram_reset_table(struct drm_device * dev,uint16_t offset)3175 static void combios_parse_ram_reset_table(struct drm_device *dev,
3176 					  uint16_t offset)
3177 {
3178 	struct radeon_device *rdev = dev->dev_private;
3179 	uint32_t tmp;
3180 
3181 	if (offset) {
3182 		uint8_t val = RBIOS8(offset);
3183 		while (val != 0xff) {
3184 			offset++;
3185 
3186 			if (val == 0x0f) {
3187 				uint32_t channel_complete_mask;
3188 
3189 				if (ASIC_IS_R300(rdev))
3190 					channel_complete_mask =
3191 					    R300_MEM_PWRUP_COMPLETE;
3192 				else
3193 					channel_complete_mask =
3194 					    RADEON_MEM_PWRUP_COMPLETE;
3195 				tmp = 20000;
3196 				while (tmp--) {
3197 					if ((RREG32(RADEON_MEM_STR_CNTL) &
3198 					     channel_complete_mask) ==
3199 					    channel_complete_mask)
3200 						break;
3201 				}
3202 			} else {
3203 				uint32_t or_mask = RBIOS16(offset);
3204 				offset += 2;
3205 
3206 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3207 				tmp &= RADEON_SDRAM_MODE_MASK;
3208 				tmp |= or_mask;
3209 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3210 
3211 				or_mask = val << 24;
3212 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3213 				tmp &= RADEON_B3MEM_RESET_MASK;
3214 				tmp |= or_mask;
3215 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3216 			}
3217 			val = RBIOS8(offset);
3218 		}
3219 	}
3220 }
3221 
combios_detect_ram(struct drm_device * dev,int ram,int mem_addr_mapping)3222 static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
3223 				   int mem_addr_mapping)
3224 {
3225 	struct radeon_device *rdev = dev->dev_private;
3226 	uint32_t mem_cntl;
3227 	uint32_t mem_size;
3228 	uint32_t addr = 0;
3229 
3230 	mem_cntl = RREG32(RADEON_MEM_CNTL);
3231 	if (mem_cntl & RV100_HALF_MODE)
3232 		ram /= 2;
3233 	mem_size = ram;
3234 	mem_cntl &= ~(0xff << 8);
3235 	mem_cntl |= (mem_addr_mapping & 0xff) << 8;
3236 	WREG32(RADEON_MEM_CNTL, mem_cntl);
3237 	RREG32(RADEON_MEM_CNTL);
3238 
3239 	/* sdram reset ? */
3240 
3241 	/* something like this????  */
3242 	while (ram--) {
3243 		addr = ram * 1024 * 1024;
3244 		/* write to each page */
3245 		WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
3246 		WREG32(RADEON_MM_DATA, 0xdeadbeef);
3247 		/* read back and verify */
3248 		WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
3249 		if (RREG32(RADEON_MM_DATA) != 0xdeadbeef)
3250 			return 0;
3251 	}
3252 
3253 	return mem_size;
3254 }
3255 
combios_write_ram_size(struct drm_device * dev)3256 static void combios_write_ram_size(struct drm_device *dev)
3257 {
3258 	struct radeon_device *rdev = dev->dev_private;
3259 	uint8_t rev;
3260 	uint16_t offset;
3261 	uint32_t mem_size = 0;
3262 	uint32_t mem_cntl = 0;
3263 
3264 	/* should do something smarter here I guess... */
3265 	if (rdev->flags & RADEON_IS_IGP)
3266 		return;
3267 
3268 	/* first check detected mem table */
3269 	offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
3270 	if (offset) {
3271 		rev = RBIOS8(offset);
3272 		if (rev < 3) {
3273 			mem_cntl = RBIOS32(offset + 1);
3274 			mem_size = RBIOS16(offset + 5);
3275 			if ((rdev->family < CHIP_R200) &&
3276 			    !ASIC_IS_RN50(rdev))
3277 				WREG32(RADEON_MEM_CNTL, mem_cntl);
3278 		}
3279 	}
3280 
3281 	if (!mem_size) {
3282 		offset =
3283 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
3284 		if (offset) {
3285 			rev = RBIOS8(offset - 1);
3286 			if (rev < 1) {
3287 				if ((rdev->family < CHIP_R200)
3288 				    && !ASIC_IS_RN50(rdev)) {
3289 					int ram = 0;
3290 					int mem_addr_mapping = 0;
3291 
3292 					while (RBIOS8(offset)) {
3293 						ram = RBIOS8(offset);
3294 						mem_addr_mapping =
3295 						    RBIOS8(offset + 1);
3296 						if (mem_addr_mapping != 0x25)
3297 							ram *= 2;
3298 						mem_size =
3299 						    combios_detect_ram(dev, ram,
3300 								       mem_addr_mapping);
3301 						if (mem_size)
3302 							break;
3303 						offset += 2;
3304 					}
3305 				} else
3306 					mem_size = RBIOS8(offset);
3307 			} else {
3308 				mem_size = RBIOS8(offset);
3309 				mem_size *= 2;	/* convert to MB */
3310 			}
3311 		}
3312 	}
3313 
3314 	mem_size *= (1024 * 1024);	/* convert to bytes */
3315 	WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
3316 }
3317 
radeon_combios_dyn_clk_setup(struct drm_device * dev,int enable)3318 void radeon_combios_dyn_clk_setup(struct drm_device *dev, int enable)
3319 {
3320 	uint16_t dyn_clk_info =
3321 	    combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3322 
3323 	if (dyn_clk_info)
3324 		combios_parse_pll_table(dev, dyn_clk_info);
3325 }
3326 
radeon_combios_asic_init(struct drm_device * dev)3327 void radeon_combios_asic_init(struct drm_device *dev)
3328 {
3329 	struct radeon_device *rdev = dev->dev_private;
3330 	uint16_t table;
3331 
3332 	/* port hardcoded mac stuff from radeonfb */
3333 	if (rdev->bios == NULL)
3334 		return;
3335 
3336 	/* ASIC INIT 1 */
3337 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE);
3338 	if (table)
3339 		combios_parse_mmio_table(dev, table);
3340 
3341 	/* PLL INIT */
3342 	table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE);
3343 	if (table)
3344 		combios_parse_pll_table(dev, table);
3345 
3346 	/* ASIC INIT 2 */
3347 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE);
3348 	if (table)
3349 		combios_parse_mmio_table(dev, table);
3350 
3351 	if (!(rdev->flags & RADEON_IS_IGP)) {
3352 		/* ASIC INIT 4 */
3353 		table =
3354 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE);
3355 		if (table)
3356 			combios_parse_mmio_table(dev, table);
3357 
3358 		/* RAM RESET */
3359 		table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE);
3360 		if (table)
3361 			combios_parse_ram_reset_table(dev, table);
3362 
3363 		/* ASIC INIT 3 */
3364 		table =
3365 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE);
3366 		if (table)
3367 			combios_parse_mmio_table(dev, table);
3368 
3369 		/* write CONFIG_MEMSIZE */
3370 		combios_write_ram_size(dev);
3371 	}
3372 
3373 	/* quirk for rs4xx HP nx6125 laptop to make it resume
3374 	 * - it hangs on resume inside the dynclk 1 table.
3375 	 */
3376 	if (rdev->family == CHIP_RS480 &&
3377 	    rdev->pdev->subsystem_vendor == 0x103c &&
3378 	    rdev->pdev->subsystem_device == 0x308b)
3379 		return;
3380 
3381 	/* quirk for rs4xx HP dv5000 laptop to make it resume
3382 	 * - it hangs on resume inside the dynclk 1 table.
3383 	 */
3384 	if (rdev->family == CHIP_RS480 &&
3385 	    rdev->pdev->subsystem_vendor == 0x103c &&
3386 	    rdev->pdev->subsystem_device == 0x30a4)
3387 		return;
3388 
3389 	/* quirk for rs4xx Compaq Presario V5245EU laptop to make it resume
3390 	 * - it hangs on resume inside the dynclk 1 table.
3391 	 */
3392 	if (rdev->family == CHIP_RS480 &&
3393 	    rdev->pdev->subsystem_vendor == 0x103c &&
3394 	    rdev->pdev->subsystem_device == 0x30ae)
3395 		return;
3396 
3397 	/* DYN CLK 1 */
3398 	table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3399 	if (table)
3400 		combios_parse_pll_table(dev, table);
3401 
3402 }
3403 
radeon_combios_initialize_bios_scratch_regs(struct drm_device * dev)3404 void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
3405 {
3406 	struct radeon_device *rdev = dev->dev_private;
3407 	uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
3408 
3409 	bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
3410 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3411 	bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
3412 
3413 	/* let the bios control the backlight */
3414 	bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
3415 
3416 	/* tell the bios not to handle mode switching */
3417 	bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
3418 			   RADEON_ACC_MODE_CHANGE);
3419 
3420 	/* tell the bios a driver is loaded */
3421 	bios_7_scratch |= RADEON_DRV_LOADED;
3422 
3423 	WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
3424 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3425 	WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
3426 }
3427 
radeon_combios_output_lock(struct drm_encoder * encoder,bool lock)3428 void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
3429 {
3430 	struct drm_device *dev = encoder->dev;
3431 	struct radeon_device *rdev = dev->dev_private;
3432 	uint32_t bios_6_scratch;
3433 
3434 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3435 
3436 	if (lock)
3437 		bios_6_scratch |= RADEON_DRIVER_CRITICAL;
3438 	else
3439 		bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
3440 
3441 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3442 }
3443 
3444 void
radeon_combios_connected_scratch_regs(struct drm_connector * connector,struct drm_encoder * encoder,bool connected)3445 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
3446 				      struct drm_encoder *encoder,
3447 				      bool connected)
3448 {
3449 	struct drm_device *dev = connector->dev;
3450 	struct radeon_device *rdev = dev->dev_private;
3451 	struct radeon_connector *radeon_connector =
3452 	    to_radeon_connector(connector);
3453 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3454 	uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
3455 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3456 
3457 	if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
3458 	    (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
3459 		if (connected) {
3460 			DRM_DEBUG_KMS("TV1 connected\n");
3461 			/* fix me */
3462 			bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
3463 			/*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
3464 			bios_5_scratch |= RADEON_TV1_ON;
3465 			bios_5_scratch |= RADEON_ACC_REQ_TV1;
3466 		} else {
3467 			DRM_DEBUG_KMS("TV1 disconnected\n");
3468 			bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
3469 			bios_5_scratch &= ~RADEON_TV1_ON;
3470 			bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
3471 		}
3472 	}
3473 	if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
3474 	    (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
3475 		if (connected) {
3476 			DRM_DEBUG_KMS("LCD1 connected\n");
3477 			bios_4_scratch |= RADEON_LCD1_ATTACHED;
3478 			bios_5_scratch |= RADEON_LCD1_ON;
3479 			bios_5_scratch |= RADEON_ACC_REQ_LCD1;
3480 		} else {
3481 			DRM_DEBUG_KMS("LCD1 disconnected\n");
3482 			bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
3483 			bios_5_scratch &= ~RADEON_LCD1_ON;
3484 			bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
3485 		}
3486 	}
3487 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
3488 	    (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
3489 		if (connected) {
3490 			DRM_DEBUG_KMS("CRT1 connected\n");
3491 			bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
3492 			bios_5_scratch |= RADEON_CRT1_ON;
3493 			bios_5_scratch |= RADEON_ACC_REQ_CRT1;
3494 		} else {
3495 			DRM_DEBUG_KMS("CRT1 disconnected\n");
3496 			bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
3497 			bios_5_scratch &= ~RADEON_CRT1_ON;
3498 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
3499 		}
3500 	}
3501 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
3502 	    (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
3503 		if (connected) {
3504 			DRM_DEBUG_KMS("CRT2 connected\n");
3505 			bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
3506 			bios_5_scratch |= RADEON_CRT2_ON;
3507 			bios_5_scratch |= RADEON_ACC_REQ_CRT2;
3508 		} else {
3509 			DRM_DEBUG_KMS("CRT2 disconnected\n");
3510 			bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
3511 			bios_5_scratch &= ~RADEON_CRT2_ON;
3512 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
3513 		}
3514 	}
3515 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
3516 	    (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
3517 		if (connected) {
3518 			DRM_DEBUG_KMS("DFP1 connected\n");
3519 			bios_4_scratch |= RADEON_DFP1_ATTACHED;
3520 			bios_5_scratch |= RADEON_DFP1_ON;
3521 			bios_5_scratch |= RADEON_ACC_REQ_DFP1;
3522 		} else {
3523 			DRM_DEBUG_KMS("DFP1 disconnected\n");
3524 			bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
3525 			bios_5_scratch &= ~RADEON_DFP1_ON;
3526 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
3527 		}
3528 	}
3529 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
3530 	    (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
3531 		if (connected) {
3532 			DRM_DEBUG_KMS("DFP2 connected\n");
3533 			bios_4_scratch |= RADEON_DFP2_ATTACHED;
3534 			bios_5_scratch |= RADEON_DFP2_ON;
3535 			bios_5_scratch |= RADEON_ACC_REQ_DFP2;
3536 		} else {
3537 			DRM_DEBUG_KMS("DFP2 disconnected\n");
3538 			bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
3539 			bios_5_scratch &= ~RADEON_DFP2_ON;
3540 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
3541 		}
3542 	}
3543 	WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
3544 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3545 }
3546 
3547 void
radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder * encoder,int crtc)3548 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
3549 {
3550 	struct drm_device *dev = encoder->dev;
3551 	struct radeon_device *rdev = dev->dev_private;
3552 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3553 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3554 
3555 	if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
3556 		bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
3557 		bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
3558 	}
3559 	if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
3560 		bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
3561 		bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
3562 	}
3563 	if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
3564 		bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
3565 		bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
3566 	}
3567 	if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
3568 		bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
3569 		bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
3570 	}
3571 	if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
3572 		bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
3573 		bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
3574 	}
3575 	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
3576 		bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
3577 		bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
3578 	}
3579 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3580 }
3581 
3582 void
radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder * encoder,bool on)3583 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
3584 {
3585 	struct drm_device *dev = encoder->dev;
3586 	struct radeon_device *rdev = dev->dev_private;
3587 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3588 	uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3589 
3590 	if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
3591 		if (on)
3592 			bios_6_scratch |= RADEON_TV_DPMS_ON;
3593 		else
3594 			bios_6_scratch &= ~RADEON_TV_DPMS_ON;
3595 	}
3596 	if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3597 		if (on)
3598 			bios_6_scratch |= RADEON_CRT_DPMS_ON;
3599 		else
3600 			bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
3601 	}
3602 	if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3603 		if (on)
3604 			bios_6_scratch |= RADEON_LCD_DPMS_ON;
3605 		else
3606 			bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
3607 	}
3608 	if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
3609 		if (on)
3610 			bios_6_scratch |= RADEON_DFP_DPMS_ON;
3611 		else
3612 			bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
3613 	}
3614 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3615 }
3616