1 /*	$NetBSD: radeon_combios.c,v 1.4 2021/12/18 23:45:43 riastradh Exp $	*/
2 
3 /*
4  * Copyright 2004 ATI Technologies Inc., Markham, Ontario
5  * Copyright 2007-8 Advanced Micro Devices, Inc.
6  * Copyright 2008 Red Hat Inc.
7  *
8  * Permission is hereby granted, free of charge, to any person obtaining a
9  * copy of this software and associated documentation files (the "Software"),
10  * to deal in the Software without restriction, including without limitation
11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12  * and/or sell copies of the Software, and to permit persons to whom the
13  * Software is furnished to do so, subject to the following conditions:
14  *
15  * The above copyright notice and this permission notice shall be included in
16  * all copies or substantial portions of the Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
21  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
22  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
23  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
24  * OTHER DEALINGS IN THE SOFTWARE.
25  *
26  * Authors: Dave Airlie
27  *          Alex Deucher
28  */
29 
30 #include <sys/cdefs.h>
31 __KERNEL_RCSID(0, "$NetBSD: radeon_combios.c,v 1.4 2021/12/18 23:45:43 riastradh Exp $");
32 
33 #include <linux/pci.h>
34 
35 #include <drm/drm_device.h>
36 #include <drm/radeon_drm.h>
37 
38 #include "radeon.h"
39 #include "atom.h"
40 
41 #ifdef CONFIG_PPC_PMAC
42 /* not sure which of these are needed */
43 #include <asm/machdep.h>
44 #include <asm/pmac_feature.h>
45 #include <asm/prom.h>
46 #endif /* CONFIG_PPC_PMAC */
47 
48 /* from radeon_legacy_encoder.c */
49 extern void
50 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum,
51 			  uint32_t supported_device);
52 
53 /* old legacy ATI BIOS routines */
54 
55 /* COMBIOS table offsets */
56 enum radeon_combios_table_offset {
57 	/* absolute offset tables */
58 	COMBIOS_ASIC_INIT_1_TABLE,
59 	COMBIOS_BIOS_SUPPORT_TABLE,
60 	COMBIOS_DAC_PROGRAMMING_TABLE,
61 	COMBIOS_MAX_COLOR_DEPTH_TABLE,
62 	COMBIOS_CRTC_INFO_TABLE,
63 	COMBIOS_PLL_INFO_TABLE,
64 	COMBIOS_TV_INFO_TABLE,
65 	COMBIOS_DFP_INFO_TABLE,
66 	COMBIOS_HW_CONFIG_INFO_TABLE,
67 	COMBIOS_MULTIMEDIA_INFO_TABLE,
68 	COMBIOS_TV_STD_PATCH_TABLE,
69 	COMBIOS_LCD_INFO_TABLE,
70 	COMBIOS_MOBILE_INFO_TABLE,
71 	COMBIOS_PLL_INIT_TABLE,
72 	COMBIOS_MEM_CONFIG_TABLE,
73 	COMBIOS_SAVE_MASK_TABLE,
74 	COMBIOS_HARDCODED_EDID_TABLE,
75 	COMBIOS_ASIC_INIT_2_TABLE,
76 	COMBIOS_CONNECTOR_INFO_TABLE,
77 	COMBIOS_DYN_CLK_1_TABLE,
78 	COMBIOS_RESERVED_MEM_TABLE,
79 	COMBIOS_EXT_TMDS_INFO_TABLE,
80 	COMBIOS_MEM_CLK_INFO_TABLE,
81 	COMBIOS_EXT_DAC_INFO_TABLE,
82 	COMBIOS_MISC_INFO_TABLE,
83 	COMBIOS_CRT_INFO_TABLE,
84 	COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE,
85 	COMBIOS_COMPONENT_VIDEO_INFO_TABLE,
86 	COMBIOS_FAN_SPEED_INFO_TABLE,
87 	COMBIOS_OVERDRIVE_INFO_TABLE,
88 	COMBIOS_OEM_INFO_TABLE,
89 	COMBIOS_DYN_CLK_2_TABLE,
90 	COMBIOS_POWER_CONNECTOR_INFO_TABLE,
91 	COMBIOS_I2C_INFO_TABLE,
92 	/* relative offset tables */
93 	COMBIOS_ASIC_INIT_3_TABLE,	/* offset from misc info */
94 	COMBIOS_ASIC_INIT_4_TABLE,	/* offset from misc info */
95 	COMBIOS_DETECTED_MEM_TABLE,	/* offset from misc info */
96 	COMBIOS_ASIC_INIT_5_TABLE,	/* offset from misc info */
97 	COMBIOS_RAM_RESET_TABLE,	/* offset from mem config */
98 	COMBIOS_POWERPLAY_INFO_TABLE,	/* offset from mobile info */
99 	COMBIOS_GPIO_INFO_TABLE,	/* offset from mobile info */
100 	COMBIOS_LCD_DDC_INFO_TABLE,	/* offset from mobile info */
101 	COMBIOS_TMDS_POWER_TABLE,	/* offset from mobile info */
102 	COMBIOS_TMDS_POWER_ON_TABLE,	/* offset from tmds power */
103 	COMBIOS_TMDS_POWER_OFF_TABLE,	/* offset from tmds power */
104 };
105 
106 enum radeon_combios_ddc {
107 	DDC_NONE_DETECTED,
108 	DDC_MONID,
109 	DDC_DVI,
110 	DDC_VGA,
111 	DDC_CRT2,
112 	DDC_LCD,
113 	DDC_GPIO,
114 };
115 
116 enum radeon_combios_connector {
117 	CONNECTOR_NONE_LEGACY,
118 	CONNECTOR_PROPRIETARY_LEGACY,
119 	CONNECTOR_CRT_LEGACY,
120 	CONNECTOR_DVI_I_LEGACY,
121 	CONNECTOR_DVI_D_LEGACY,
122 	CONNECTOR_CTV_LEGACY,
123 	CONNECTOR_STV_LEGACY,
124 	CONNECTOR_UNSUPPORTED_LEGACY
125 };
126 
127 static const int legacy_connector_convert[] = {
128 	DRM_MODE_CONNECTOR_Unknown,
129 	DRM_MODE_CONNECTOR_DVID,
130 	DRM_MODE_CONNECTOR_VGA,
131 	DRM_MODE_CONNECTOR_DVII,
132 	DRM_MODE_CONNECTOR_DVID,
133 	DRM_MODE_CONNECTOR_Composite,
134 	DRM_MODE_CONNECTOR_SVIDEO,
135 	DRM_MODE_CONNECTOR_Unknown,
136 };
137 
combios_get_table_offset(struct drm_device * dev,enum radeon_combios_table_offset table)138 static uint16_t combios_get_table_offset(struct drm_device *dev,
139 					 enum radeon_combios_table_offset table)
140 {
141 	struct radeon_device *rdev = dev->dev_private;
142 	int rev, size;
143 	uint16_t offset = 0, check_offset;
144 
145 	if (!rdev->bios)
146 		return 0;
147 
148 	switch (table) {
149 		/* absolute offset tables */
150 	case COMBIOS_ASIC_INIT_1_TABLE:
151 		check_offset = 0xc;
152 		break;
153 	case COMBIOS_BIOS_SUPPORT_TABLE:
154 		check_offset = 0x14;
155 		break;
156 	case COMBIOS_DAC_PROGRAMMING_TABLE:
157 		check_offset = 0x2a;
158 		break;
159 	case COMBIOS_MAX_COLOR_DEPTH_TABLE:
160 		check_offset = 0x2c;
161 		break;
162 	case COMBIOS_CRTC_INFO_TABLE:
163 		check_offset = 0x2e;
164 		break;
165 	case COMBIOS_PLL_INFO_TABLE:
166 		check_offset = 0x30;
167 		break;
168 	case COMBIOS_TV_INFO_TABLE:
169 		check_offset = 0x32;
170 		break;
171 	case COMBIOS_DFP_INFO_TABLE:
172 		check_offset = 0x34;
173 		break;
174 	case COMBIOS_HW_CONFIG_INFO_TABLE:
175 		check_offset = 0x36;
176 		break;
177 	case COMBIOS_MULTIMEDIA_INFO_TABLE:
178 		check_offset = 0x38;
179 		break;
180 	case COMBIOS_TV_STD_PATCH_TABLE:
181 		check_offset = 0x3e;
182 		break;
183 	case COMBIOS_LCD_INFO_TABLE:
184 		check_offset = 0x40;
185 		break;
186 	case COMBIOS_MOBILE_INFO_TABLE:
187 		check_offset = 0x42;
188 		break;
189 	case COMBIOS_PLL_INIT_TABLE:
190 		check_offset = 0x46;
191 		break;
192 	case COMBIOS_MEM_CONFIG_TABLE:
193 		check_offset = 0x48;
194 		break;
195 	case COMBIOS_SAVE_MASK_TABLE:
196 		check_offset = 0x4a;
197 		break;
198 	case COMBIOS_HARDCODED_EDID_TABLE:
199 		check_offset = 0x4c;
200 		break;
201 	case COMBIOS_ASIC_INIT_2_TABLE:
202 		check_offset = 0x4e;
203 		break;
204 	case COMBIOS_CONNECTOR_INFO_TABLE:
205 		check_offset = 0x50;
206 		break;
207 	case COMBIOS_DYN_CLK_1_TABLE:
208 		check_offset = 0x52;
209 		break;
210 	case COMBIOS_RESERVED_MEM_TABLE:
211 		check_offset = 0x54;
212 		break;
213 	case COMBIOS_EXT_TMDS_INFO_TABLE:
214 		check_offset = 0x58;
215 		break;
216 	case COMBIOS_MEM_CLK_INFO_TABLE:
217 		check_offset = 0x5a;
218 		break;
219 	case COMBIOS_EXT_DAC_INFO_TABLE:
220 		check_offset = 0x5c;
221 		break;
222 	case COMBIOS_MISC_INFO_TABLE:
223 		check_offset = 0x5e;
224 		break;
225 	case COMBIOS_CRT_INFO_TABLE:
226 		check_offset = 0x60;
227 		break;
228 	case COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE:
229 		check_offset = 0x62;
230 		break;
231 	case COMBIOS_COMPONENT_VIDEO_INFO_TABLE:
232 		check_offset = 0x64;
233 		break;
234 	case COMBIOS_FAN_SPEED_INFO_TABLE:
235 		check_offset = 0x66;
236 		break;
237 	case COMBIOS_OVERDRIVE_INFO_TABLE:
238 		check_offset = 0x68;
239 		break;
240 	case COMBIOS_OEM_INFO_TABLE:
241 		check_offset = 0x6a;
242 		break;
243 	case COMBIOS_DYN_CLK_2_TABLE:
244 		check_offset = 0x6c;
245 		break;
246 	case COMBIOS_POWER_CONNECTOR_INFO_TABLE:
247 		check_offset = 0x6e;
248 		break;
249 	case COMBIOS_I2C_INFO_TABLE:
250 		check_offset = 0x70;
251 		break;
252 		/* relative offset tables */
253 	case COMBIOS_ASIC_INIT_3_TABLE:	/* offset from misc info */
254 		check_offset =
255 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
256 		if (check_offset) {
257 			rev = RBIOS8(check_offset);
258 			if (rev > 0) {
259 				check_offset = RBIOS16(check_offset + 0x3);
260 				if (check_offset)
261 					offset = check_offset;
262 			}
263 		}
264 		break;
265 	case COMBIOS_ASIC_INIT_4_TABLE:	/* offset from misc info */
266 		check_offset =
267 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
268 		if (check_offset) {
269 			rev = RBIOS8(check_offset);
270 			if (rev > 0) {
271 				check_offset = RBIOS16(check_offset + 0x5);
272 				if (check_offset)
273 					offset = check_offset;
274 			}
275 		}
276 		break;
277 	case COMBIOS_DETECTED_MEM_TABLE:	/* offset from misc info */
278 		check_offset =
279 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
280 		if (check_offset) {
281 			rev = RBIOS8(check_offset);
282 			if (rev > 0) {
283 				check_offset = RBIOS16(check_offset + 0x7);
284 				if (check_offset)
285 					offset = check_offset;
286 			}
287 		}
288 		break;
289 	case COMBIOS_ASIC_INIT_5_TABLE:	/* offset from misc info */
290 		check_offset =
291 		    combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
292 		if (check_offset) {
293 			rev = RBIOS8(check_offset);
294 			if (rev == 2) {
295 				check_offset = RBIOS16(check_offset + 0x9);
296 				if (check_offset)
297 					offset = check_offset;
298 			}
299 		}
300 		break;
301 	case COMBIOS_RAM_RESET_TABLE:	/* offset from mem config */
302 		check_offset =
303 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
304 		if (check_offset) {
305 			while (RBIOS8(check_offset++));
306 			check_offset += 2;
307 			if (check_offset)
308 				offset = check_offset;
309 		}
310 		break;
311 	case COMBIOS_POWERPLAY_INFO_TABLE:	/* offset from mobile info */
312 		check_offset =
313 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
314 		if (check_offset) {
315 			check_offset = RBIOS16(check_offset + 0x11);
316 			if (check_offset)
317 				offset = check_offset;
318 		}
319 		break;
320 	case COMBIOS_GPIO_INFO_TABLE:	/* offset from mobile info */
321 		check_offset =
322 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
323 		if (check_offset) {
324 			check_offset = RBIOS16(check_offset + 0x13);
325 			if (check_offset)
326 				offset = check_offset;
327 		}
328 		break;
329 	case COMBIOS_LCD_DDC_INFO_TABLE:	/* offset from mobile info */
330 		check_offset =
331 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
332 		if (check_offset) {
333 			check_offset = RBIOS16(check_offset + 0x15);
334 			if (check_offset)
335 				offset = check_offset;
336 		}
337 		break;
338 	case COMBIOS_TMDS_POWER_TABLE:	/* offset from mobile info */
339 		check_offset =
340 		    combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
341 		if (check_offset) {
342 			check_offset = RBIOS16(check_offset + 0x17);
343 			if (check_offset)
344 				offset = check_offset;
345 		}
346 		break;
347 	case COMBIOS_TMDS_POWER_ON_TABLE:	/* offset from tmds power */
348 		check_offset =
349 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
350 		if (check_offset) {
351 			check_offset = RBIOS16(check_offset + 0x2);
352 			if (check_offset)
353 				offset = check_offset;
354 		}
355 		break;
356 	case COMBIOS_TMDS_POWER_OFF_TABLE:	/* offset from tmds power */
357 		check_offset =
358 		    combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
359 		if (check_offset) {
360 			check_offset = RBIOS16(check_offset + 0x4);
361 			if (check_offset)
362 				offset = check_offset;
363 		}
364 		break;
365 	default:
366 		check_offset = 0;
367 		break;
368 	}
369 
370 	size = RBIOS8(rdev->bios_header_start + 0x6);
371 	/* check absolute offset tables */
372 	if (table < COMBIOS_ASIC_INIT_3_TABLE && check_offset && check_offset < size)
373 		offset = RBIOS16(rdev->bios_header_start + check_offset);
374 
375 	return offset;
376 }
377 
radeon_combios_check_hardcoded_edid(struct radeon_device * rdev)378 bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev)
379 {
380 	int edid_info, size;
381 	struct edid *edid;
382 	unsigned char *raw;
383 	edid_info = combios_get_table_offset(rdev->ddev, COMBIOS_HARDCODED_EDID_TABLE);
384 	if (!edid_info)
385 		return false;
386 
387 	raw = rdev->bios + edid_info;
388 	size = EDID_LENGTH * (raw[0x7e] + 1);
389 	edid = kmalloc(size, GFP_KERNEL);
390 	if (edid == NULL)
391 		return false;
392 
393 	memcpy((unsigned char *)edid, raw, size);
394 
395 	if (!drm_edid_is_valid(edid)) {
396 		kfree(edid);
397 		return false;
398 	}
399 
400 	rdev->mode_info.bios_hardcoded_edid = edid;
401 	rdev->mode_info.bios_hardcoded_edid_size = size;
402 	return true;
403 }
404 
405 /* this is used for atom LCDs as well */
406 struct edid *
radeon_bios_get_hardcoded_edid(struct radeon_device * rdev)407 radeon_bios_get_hardcoded_edid(struct radeon_device *rdev)
408 {
409 	struct edid *edid;
410 
411 	if (rdev->mode_info.bios_hardcoded_edid) {
412 		edid = kmalloc(rdev->mode_info.bios_hardcoded_edid_size, GFP_KERNEL);
413 		if (edid) {
414 			memcpy((unsigned char *)edid,
415 			       (unsigned char *)rdev->mode_info.bios_hardcoded_edid,
416 			       rdev->mode_info.bios_hardcoded_edid_size);
417 			return edid;
418 		}
419 	}
420 	return NULL;
421 }
422 
combios_setup_i2c_bus(struct radeon_device * rdev,enum radeon_combios_ddc ddc,u32 clk_mask,u32 data_mask)423 static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
424 						       enum radeon_combios_ddc ddc,
425 						       u32 clk_mask,
426 						       u32 data_mask)
427 {
428 	struct radeon_i2c_bus_rec i2c;
429 	int ddc_line = 0;
430 
431 	/* ddc id            = mask reg
432 	 * DDC_NONE_DETECTED = none
433 	 * DDC_DVI           = RADEON_GPIO_DVI_DDC
434 	 * DDC_VGA           = RADEON_GPIO_VGA_DDC
435 	 * DDC_LCD           = RADEON_GPIOPAD_MASK
436 	 * DDC_GPIO          = RADEON_MDGPIO_MASK
437 	 * r1xx
438 	 * DDC_MONID         = RADEON_GPIO_MONID
439 	 * DDC_CRT2          = RADEON_GPIO_CRT2_DDC
440 	 * r200
441 	 * DDC_MONID         = RADEON_GPIO_MONID
442 	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
443 	 * r300/r350
444 	 * DDC_MONID         = RADEON_GPIO_DVI_DDC
445 	 * DDC_CRT2          = RADEON_GPIO_DVI_DDC
446 	 * rv2xx/rv3xx
447 	 * DDC_MONID         = RADEON_GPIO_MONID
448 	 * DDC_CRT2          = RADEON_GPIO_MONID
449 	 * rs3xx/rs4xx
450 	 * DDC_MONID         = RADEON_GPIOPAD_MASK
451 	 * DDC_CRT2          = RADEON_GPIO_MONID
452 	 */
453 	switch (ddc) {
454 	case DDC_NONE_DETECTED:
455 	default:
456 		ddc_line = 0;
457 		break;
458 	case DDC_DVI:
459 		ddc_line = RADEON_GPIO_DVI_DDC;
460 		break;
461 	case DDC_VGA:
462 		ddc_line = RADEON_GPIO_VGA_DDC;
463 		break;
464 	case DDC_LCD:
465 		ddc_line = RADEON_GPIOPAD_MASK;
466 		break;
467 	case DDC_GPIO:
468 		ddc_line = RADEON_MDGPIO_MASK;
469 		break;
470 	case DDC_MONID:
471 		if (rdev->family == CHIP_RS300 ||
472 		    rdev->family == CHIP_RS400 ||
473 		    rdev->family == CHIP_RS480)
474 			ddc_line = RADEON_GPIOPAD_MASK;
475 		else if (rdev->family == CHIP_R300 ||
476 			 rdev->family == CHIP_R350) {
477 			ddc_line = RADEON_GPIO_DVI_DDC;
478 			ddc = DDC_DVI;
479 		} else
480 			ddc_line = RADEON_GPIO_MONID;
481 		break;
482 	case DDC_CRT2:
483 		if (rdev->family == CHIP_R200 ||
484 		    rdev->family == CHIP_R300 ||
485 		    rdev->family == CHIP_R350) {
486 			ddc_line = RADEON_GPIO_DVI_DDC;
487 			ddc = DDC_DVI;
488 		} else if (rdev->family == CHIP_RS300 ||
489 			   rdev->family == CHIP_RS400 ||
490 			   rdev->family == CHIP_RS480)
491 			ddc_line = RADEON_GPIO_MONID;
492 		else if (rdev->family >= CHIP_RV350) {
493 			ddc_line = RADEON_GPIO_MONID;
494 			ddc = DDC_MONID;
495 		} else
496 			ddc_line = RADEON_GPIO_CRT2_DDC;
497 		break;
498 	}
499 
500 	if (ddc_line == RADEON_GPIOPAD_MASK) {
501 		i2c.mask_clk_reg = RADEON_GPIOPAD_MASK;
502 		i2c.mask_data_reg = RADEON_GPIOPAD_MASK;
503 		i2c.a_clk_reg = RADEON_GPIOPAD_A;
504 		i2c.a_data_reg = RADEON_GPIOPAD_A;
505 		i2c.en_clk_reg = RADEON_GPIOPAD_EN;
506 		i2c.en_data_reg = RADEON_GPIOPAD_EN;
507 		i2c.y_clk_reg = RADEON_GPIOPAD_Y;
508 		i2c.y_data_reg = RADEON_GPIOPAD_Y;
509 	} else if (ddc_line == RADEON_MDGPIO_MASK) {
510 		i2c.mask_clk_reg = RADEON_MDGPIO_MASK;
511 		i2c.mask_data_reg = RADEON_MDGPIO_MASK;
512 		i2c.a_clk_reg = RADEON_MDGPIO_A;
513 		i2c.a_data_reg = RADEON_MDGPIO_A;
514 		i2c.en_clk_reg = RADEON_MDGPIO_EN;
515 		i2c.en_data_reg = RADEON_MDGPIO_EN;
516 		i2c.y_clk_reg = RADEON_MDGPIO_Y;
517 		i2c.y_data_reg = RADEON_MDGPIO_Y;
518 	} else {
519 		i2c.mask_clk_reg = ddc_line;
520 		i2c.mask_data_reg = ddc_line;
521 		i2c.a_clk_reg = ddc_line;
522 		i2c.a_data_reg = ddc_line;
523 		i2c.en_clk_reg = ddc_line;
524 		i2c.en_data_reg = ddc_line;
525 		i2c.y_clk_reg = ddc_line;
526 		i2c.y_data_reg = ddc_line;
527 	}
528 
529 	if (clk_mask && data_mask) {
530 		/* system specific masks */
531 		i2c.mask_clk_mask = clk_mask;
532 		i2c.mask_data_mask = data_mask;
533 		i2c.a_clk_mask = clk_mask;
534 		i2c.a_data_mask = data_mask;
535 		i2c.en_clk_mask = clk_mask;
536 		i2c.en_data_mask = data_mask;
537 		i2c.y_clk_mask = clk_mask;
538 		i2c.y_data_mask = data_mask;
539 	} else if ((ddc_line == RADEON_GPIOPAD_MASK) ||
540 		   (ddc_line == RADEON_MDGPIO_MASK)) {
541 		/* default gpiopad masks */
542 		i2c.mask_clk_mask = (0x20 << 8);
543 		i2c.mask_data_mask = 0x80;
544 		i2c.a_clk_mask = (0x20 << 8);
545 		i2c.a_data_mask = 0x80;
546 		i2c.en_clk_mask = (0x20 << 8);
547 		i2c.en_data_mask = 0x80;
548 		i2c.y_clk_mask = (0x20 << 8);
549 		i2c.y_data_mask = 0x80;
550 	} else {
551 		/* default masks for ddc pads */
552 		i2c.mask_clk_mask = RADEON_GPIO_MASK_1;
553 		i2c.mask_data_mask = RADEON_GPIO_MASK_0;
554 		i2c.a_clk_mask = RADEON_GPIO_A_1;
555 		i2c.a_data_mask = RADEON_GPIO_A_0;
556 		i2c.en_clk_mask = RADEON_GPIO_EN_1;
557 		i2c.en_data_mask = RADEON_GPIO_EN_0;
558 		i2c.y_clk_mask = RADEON_GPIO_Y_1;
559 		i2c.y_data_mask = RADEON_GPIO_Y_0;
560 	}
561 
562 	switch (rdev->family) {
563 	case CHIP_R100:
564 	case CHIP_RV100:
565 	case CHIP_RS100:
566 	case CHIP_RV200:
567 	case CHIP_RS200:
568 	case CHIP_RS300:
569 		switch (ddc_line) {
570 		case RADEON_GPIO_DVI_DDC:
571 			i2c.hw_capable = true;
572 			break;
573 		default:
574 			i2c.hw_capable = false;
575 			break;
576 		}
577 		break;
578 	case CHIP_R200:
579 		switch (ddc_line) {
580 		case RADEON_GPIO_DVI_DDC:
581 		case RADEON_GPIO_MONID:
582 			i2c.hw_capable = true;
583 			break;
584 		default:
585 			i2c.hw_capable = false;
586 			break;
587 		}
588 		break;
589 	case CHIP_RV250:
590 	case CHIP_RV280:
591 		switch (ddc_line) {
592 		case RADEON_GPIO_VGA_DDC:
593 		case RADEON_GPIO_DVI_DDC:
594 		case RADEON_GPIO_CRT2_DDC:
595 			i2c.hw_capable = true;
596 			break;
597 		default:
598 			i2c.hw_capable = false;
599 			break;
600 		}
601 		break;
602 	case CHIP_R300:
603 	case CHIP_R350:
604 		switch (ddc_line) {
605 		case RADEON_GPIO_VGA_DDC:
606 		case RADEON_GPIO_DVI_DDC:
607 			i2c.hw_capable = true;
608 			break;
609 		default:
610 			i2c.hw_capable = false;
611 			break;
612 		}
613 		break;
614 	case CHIP_RV350:
615 	case CHIP_RV380:
616 	case CHIP_RS400:
617 	case CHIP_RS480:
618 		switch (ddc_line) {
619 		case RADEON_GPIO_VGA_DDC:
620 		case RADEON_GPIO_DVI_DDC:
621 			i2c.hw_capable = true;
622 			break;
623 		case RADEON_GPIO_MONID:
624 			/* hw i2c on RADEON_GPIO_MONID doesn't seem to work
625 			 * reliably on some pre-r4xx hardware; not sure why.
626 			 */
627 			i2c.hw_capable = false;
628 			break;
629 		default:
630 			i2c.hw_capable = false;
631 			break;
632 		}
633 		break;
634 	default:
635 		i2c.hw_capable = false;
636 		break;
637 	}
638 	i2c.mm_i2c = false;
639 
640 	i2c.i2c_id = ddc;
641 	i2c.hpd = RADEON_HPD_NONE;
642 
643 	if (ddc_line)
644 		i2c.valid = true;
645 	else
646 		i2c.valid = false;
647 
648 	return i2c;
649 }
650 
radeon_combios_get_i2c_info_from_table(struct radeon_device * rdev)651 static struct radeon_i2c_bus_rec radeon_combios_get_i2c_info_from_table(struct radeon_device *rdev)
652 {
653 	struct drm_device *dev = rdev->ddev;
654 	struct radeon_i2c_bus_rec i2c;
655 	u16 offset;
656 	u8 id, blocks, clk, data;
657 	int i;
658 
659 	i2c.valid = false;
660 
661 	offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE);
662 	if (offset) {
663 		blocks = RBIOS8(offset + 2);
664 		for (i = 0; i < blocks; i++) {
665 			id = RBIOS8(offset + 3 + (i * 5) + 0);
666 			if (id == 136) {
667 				clk = RBIOS8(offset + 3 + (i * 5) + 3);
668 				data = RBIOS8(offset + 3 + (i * 5) + 4);
669 				/* gpiopad */
670 				i2c = combios_setup_i2c_bus(rdev, DDC_MONID,
671 							    (1 << clk), (1 << data));
672 				break;
673 			}
674 		}
675 	}
676 	return i2c;
677 }
678 
radeon_combios_i2c_init(struct radeon_device * rdev)679 void radeon_combios_i2c_init(struct radeon_device *rdev)
680 {
681 	struct drm_device *dev = rdev->ddev;
682 	struct radeon_i2c_bus_rec i2c;
683 
684 	/* actual hw pads
685 	 * r1xx/rs2xx/rs3xx
686 	 * 0x60, 0x64, 0x68, 0x6c, gpiopads, mm
687 	 * r200
688 	 * 0x60, 0x64, 0x68, mm
689 	 * r300/r350
690 	 * 0x60, 0x64, mm
691 	 * rv2xx/rv3xx/rs4xx
692 	 * 0x60, 0x64, 0x68, gpiopads, mm
693 	 */
694 
695 	/* 0x60 */
696 	i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
697 	rdev->i2c_bus[0] = radeon_i2c_create(dev, &i2c, "DVI_DDC");
698 	/* 0x64 */
699 	i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
700 	rdev->i2c_bus[1] = radeon_i2c_create(dev, &i2c, "VGA_DDC");
701 
702 	/* mm i2c */
703 	i2c.valid = true;
704 	i2c.hw_capable = true;
705 	i2c.mm_i2c = true;
706 	i2c.i2c_id = 0xa0;
707 	rdev->i2c_bus[2] = radeon_i2c_create(dev, &i2c, "MM_I2C");
708 
709 	if (rdev->family == CHIP_R300 ||
710 	    rdev->family == CHIP_R350) {
711 		/* only 2 sw i2c pads */
712 	} else if (rdev->family == CHIP_RS300 ||
713 		   rdev->family == CHIP_RS400 ||
714 		   rdev->family == CHIP_RS480) {
715 		/* 0x68 */
716 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
717 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
718 
719 		/* gpiopad */
720 		i2c = radeon_combios_get_i2c_info_from_table(rdev);
721 		if (i2c.valid)
722 			rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "GPIOPAD_MASK");
723 	} else if ((rdev->family == CHIP_R200) ||
724 		   (rdev->family >= CHIP_R300)) {
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 	} else {
729 		/* 0x68 */
730 		i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
731 		rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
732 		/* 0x6c */
733 		i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
734 		rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "CRT2_DDC");
735 	}
736 }
737 
radeon_combios_get_clock_info(struct drm_device * dev)738 bool radeon_combios_get_clock_info(struct drm_device *dev)
739 {
740 	struct radeon_device *rdev = dev->dev_private;
741 	uint16_t pll_info;
742 	struct radeon_pll *p1pll = &rdev->clock.p1pll;
743 	struct radeon_pll *p2pll = &rdev->clock.p2pll;
744 	struct radeon_pll *spll = &rdev->clock.spll;
745 	struct radeon_pll *mpll = &rdev->clock.mpll;
746 	int8_t rev;
747 	uint16_t sclk, mclk;
748 
749 	pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
750 	if (pll_info) {
751 		rev = RBIOS8(pll_info);
752 
753 		/* pixel clocks */
754 		p1pll->reference_freq = RBIOS16(pll_info + 0xe);
755 		p1pll->reference_div = RBIOS16(pll_info + 0x10);
756 		p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
757 		p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
758 		p1pll->lcd_pll_out_min = p1pll->pll_out_min;
759 		p1pll->lcd_pll_out_max = p1pll->pll_out_max;
760 
761 		if (rev > 9) {
762 			p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
763 			p1pll->pll_in_max = RBIOS32(pll_info + 0x3a);
764 		} else {
765 			p1pll->pll_in_min = 40;
766 			p1pll->pll_in_max = 500;
767 		}
768 		*p2pll = *p1pll;
769 
770 		/* system clock */
771 		spll->reference_freq = RBIOS16(pll_info + 0x1a);
772 		spll->reference_div = RBIOS16(pll_info + 0x1c);
773 		spll->pll_out_min = RBIOS32(pll_info + 0x1e);
774 		spll->pll_out_max = RBIOS32(pll_info + 0x22);
775 
776 		if (rev > 10) {
777 			spll->pll_in_min = RBIOS32(pll_info + 0x48);
778 			spll->pll_in_max = RBIOS32(pll_info + 0x4c);
779 		} else {
780 			/* ??? */
781 			spll->pll_in_min = 40;
782 			spll->pll_in_max = 500;
783 		}
784 
785 		/* memory clock */
786 		mpll->reference_freq = RBIOS16(pll_info + 0x26);
787 		mpll->reference_div = RBIOS16(pll_info + 0x28);
788 		mpll->pll_out_min = RBIOS32(pll_info + 0x2a);
789 		mpll->pll_out_max = RBIOS32(pll_info + 0x2e);
790 
791 		if (rev > 10) {
792 			mpll->pll_in_min = RBIOS32(pll_info + 0x5a);
793 			mpll->pll_in_max = RBIOS32(pll_info + 0x5e);
794 		} else {
795 			/* ??? */
796 			mpll->pll_in_min = 40;
797 			mpll->pll_in_max = 500;
798 		}
799 
800 		/* default sclk/mclk */
801 		sclk = RBIOS16(pll_info + 0xa);
802 		mclk = RBIOS16(pll_info + 0x8);
803 		if (sclk == 0)
804 			sclk = 200 * 100;
805 		if (mclk == 0)
806 			mclk = 200 * 100;
807 
808 		rdev->clock.default_sclk = sclk;
809 		rdev->clock.default_mclk = mclk;
810 
811 		if (RBIOS32(pll_info + 0x16))
812 			rdev->clock.max_pixel_clock = RBIOS32(pll_info + 0x16);
813 		else
814 			rdev->clock.max_pixel_clock = 35000; /* might need something asic specific */
815 
816 		return true;
817 	}
818 	return false;
819 }
820 
radeon_combios_sideport_present(struct radeon_device * rdev)821 bool radeon_combios_sideport_present(struct radeon_device *rdev)
822 {
823 	struct drm_device *dev = rdev->ddev;
824 	u16 igp_info;
825 
826 	/* sideport is AMD only */
827 	if (rdev->family == CHIP_RS400)
828 		return false;
829 
830 	igp_info = combios_get_table_offset(dev, COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE);
831 
832 	if (igp_info) {
833 		if (RBIOS16(igp_info + 0x4))
834 			return true;
835 	}
836 	return false;
837 }
838 
839 static const uint32_t default_primarydac_adj[CHIP_LAST] = {
840 	0x00000808,		/* r100  */
841 	0x00000808,		/* rv100 */
842 	0x00000808,		/* rs100 */
843 	0x00000808,		/* rv200 */
844 	0x00000808,		/* rs200 */
845 	0x00000808,		/* r200  */
846 	0x00000808,		/* rv250 */
847 	0x00000000,		/* rs300 */
848 	0x00000808,		/* rv280 */
849 	0x00000808,		/* r300  */
850 	0x00000808,		/* r350  */
851 	0x00000808,		/* rv350 */
852 	0x00000808,		/* rv380 */
853 	0x00000808,		/* r420  */
854 	0x00000808,		/* r423  */
855 	0x00000808,		/* rv410 */
856 	0x00000000,		/* rs400 */
857 	0x00000000,		/* rs480 */
858 };
859 
radeon_legacy_get_primary_dac_info_from_table(struct radeon_device * rdev,struct radeon_encoder_primary_dac * p_dac)860 static void radeon_legacy_get_primary_dac_info_from_table(struct radeon_device *rdev,
861 							  struct radeon_encoder_primary_dac *p_dac)
862 {
863 	p_dac->ps2_pdac_adj = default_primarydac_adj[rdev->family];
864 	return;
865 }
866 
radeon_combios_get_primary_dac_info(struct radeon_encoder * encoder)867 struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
868 								       radeon_encoder
869 								       *encoder)
870 {
871 	struct drm_device *dev = encoder->base.dev;
872 	struct radeon_device *rdev = dev->dev_private;
873 	uint16_t dac_info;
874 	uint8_t rev, bg, dac;
875 	struct radeon_encoder_primary_dac *p_dac = NULL;
876 	int found = 0;
877 
878 	p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac),
879 			GFP_KERNEL);
880 
881 	if (!p_dac)
882 		return NULL;
883 
884 	/* check CRT table */
885 	dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
886 	if (dac_info) {
887 		rev = RBIOS8(dac_info) & 0x3;
888 		if (rev < 2) {
889 			bg = RBIOS8(dac_info + 0x2) & 0xf;
890 			dac = (RBIOS8(dac_info + 0x2) >> 4) & 0xf;
891 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
892 		} else {
893 			bg = RBIOS8(dac_info + 0x2) & 0xf;
894 			dac = RBIOS8(dac_info + 0x3) & 0xf;
895 			p_dac->ps2_pdac_adj = (bg << 8) | (dac);
896 		}
897 		/* if the values are zeros, use the table */
898 		if ((dac == 0) || (bg == 0))
899 			found = 0;
900 		else
901 			found = 1;
902 	}
903 
904 	/* quirks */
905 	/* Radeon 7000 (RV100) */
906 	if (((dev->pdev->device == 0x5159) &&
907 	    (dev->pdev->subsystem_vendor == 0x174B) &&
908 	    (dev->pdev->subsystem_device == 0x7c28)) ||
909 	/* Radeon 9100 (R200) */
910 	   ((dev->pdev->device == 0x514D) &&
911 	    (dev->pdev->subsystem_vendor == 0x174B) &&
912 	    (dev->pdev->subsystem_device == 0x7149))) {
913 		/* vbios value is bad, use the default */
914 		found = 0;
915 	}
916 
917 	if (!found) /* fallback to defaults */
918 		radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac);
919 
920 	return p_dac;
921 }
922 
923 enum radeon_tv_std
radeon_combios_get_tv_info(struct radeon_device * rdev)924 radeon_combios_get_tv_info(struct radeon_device *rdev)
925 {
926 	struct drm_device *dev = rdev->ddev;
927 	uint16_t tv_info;
928 	enum radeon_tv_std tv_std = TV_STD_NTSC;
929 
930 	tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
931 	if (tv_info) {
932 		if (RBIOS8(tv_info + 6) == 'T') {
933 			switch (RBIOS8(tv_info + 7) & 0xf) {
934 			case 1:
935 				tv_std = TV_STD_NTSC;
936 				DRM_DEBUG_KMS("Default TV standard: NTSC\n");
937 				break;
938 			case 2:
939 				tv_std = TV_STD_PAL;
940 				DRM_DEBUG_KMS("Default TV standard: PAL\n");
941 				break;
942 			case 3:
943 				tv_std = TV_STD_PAL_M;
944 				DRM_DEBUG_KMS("Default TV standard: PAL-M\n");
945 				break;
946 			case 4:
947 				tv_std = TV_STD_PAL_60;
948 				DRM_DEBUG_KMS("Default TV standard: PAL-60\n");
949 				break;
950 			case 5:
951 				tv_std = TV_STD_NTSC_J;
952 				DRM_DEBUG_KMS("Default TV standard: NTSC-J\n");
953 				break;
954 			case 6:
955 				tv_std = TV_STD_SCART_PAL;
956 				DRM_DEBUG_KMS("Default TV standard: SCART-PAL\n");
957 				break;
958 			default:
959 				tv_std = TV_STD_NTSC;
960 				DRM_DEBUG_KMS
961 				    ("Unknown TV standard; defaulting to NTSC\n");
962 				break;
963 			}
964 
965 			switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
966 			case 0:
967 				DRM_DEBUG_KMS("29.498928713 MHz TV ref clk\n");
968 				break;
969 			case 1:
970 				DRM_DEBUG_KMS("28.636360000 MHz TV ref clk\n");
971 				break;
972 			case 2:
973 				DRM_DEBUG_KMS("14.318180000 MHz TV ref clk\n");
974 				break;
975 			case 3:
976 				DRM_DEBUG_KMS("27.000000000 MHz TV ref clk\n");
977 				break;
978 			default:
979 				break;
980 			}
981 		}
982 	}
983 	return tv_std;
984 }
985 
986 static const uint32_t default_tvdac_adj[CHIP_LAST] = {
987 	0x00000000,		/* r100  */
988 	0x00280000,		/* rv100 */
989 	0x00000000,		/* rs100 */
990 	0x00880000,		/* rv200 */
991 	0x00000000,		/* rs200 */
992 	0x00000000,		/* r200  */
993 	0x00770000,		/* rv250 */
994 	0x00290000,		/* rs300 */
995 	0x00560000,		/* rv280 */
996 	0x00780000,		/* r300  */
997 	0x00770000,		/* r350  */
998 	0x00780000,		/* rv350 */
999 	0x00780000,		/* rv380 */
1000 	0x01080000,		/* r420  */
1001 	0x01080000,		/* r423  */
1002 	0x01080000,		/* rv410 */
1003 	0x00780000,		/* rs400 */
1004 	0x00780000,		/* rs480 */
1005 };
1006 
radeon_legacy_get_tv_dac_info_from_table(struct radeon_device * rdev,struct radeon_encoder_tv_dac * tv_dac)1007 static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
1008 						     struct radeon_encoder_tv_dac *tv_dac)
1009 {
1010 	tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
1011 	if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
1012 		tv_dac->ps2_tvdac_adj = 0x00880000;
1013 	tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1014 	tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1015 	return;
1016 }
1017 
radeon_combios_get_tv_dac_info(struct radeon_encoder * encoder)1018 struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
1019 							     radeon_encoder
1020 							     *encoder)
1021 {
1022 	struct drm_device *dev = encoder->base.dev;
1023 	struct radeon_device *rdev = dev->dev_private;
1024 	uint16_t dac_info;
1025 	uint8_t rev, bg, dac;
1026 	struct radeon_encoder_tv_dac *tv_dac = NULL;
1027 	int found = 0;
1028 
1029 	tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
1030 	if (!tv_dac)
1031 		return NULL;
1032 
1033 	/* first check TV table */
1034 	dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
1035 	if (dac_info) {
1036 		rev = RBIOS8(dac_info + 0x3);
1037 		if (rev > 4) {
1038 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1039 			dac = RBIOS8(dac_info + 0xd) & 0xf;
1040 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1041 
1042 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1043 			dac = RBIOS8(dac_info + 0xf) & 0xf;
1044 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1045 
1046 			bg = RBIOS8(dac_info + 0x10) & 0xf;
1047 			dac = RBIOS8(dac_info + 0x11) & 0xf;
1048 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1049 			/* if the values are all zeros, use the table */
1050 			if (tv_dac->ps2_tvdac_adj)
1051 				found = 1;
1052 		} else if (rev > 1) {
1053 			bg = RBIOS8(dac_info + 0xc) & 0xf;
1054 			dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
1055 			tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1056 
1057 			bg = RBIOS8(dac_info + 0xd) & 0xf;
1058 			dac = (RBIOS8(dac_info + 0xd) >> 4) & 0xf;
1059 			tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1060 
1061 			bg = RBIOS8(dac_info + 0xe) & 0xf;
1062 			dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
1063 			tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1064 			/* if the values are all zeros, use the table */
1065 			if (tv_dac->ps2_tvdac_adj)
1066 				found = 1;
1067 		}
1068 		tv_dac->tv_std = radeon_combios_get_tv_info(rdev);
1069 	}
1070 	if (!found) {
1071 		/* then check CRT table */
1072 		dac_info =
1073 		    combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
1074 		if (dac_info) {
1075 			rev = RBIOS8(dac_info) & 0x3;
1076 			if (rev < 2) {
1077 				bg = RBIOS8(dac_info + 0x3) & 0xf;
1078 				dac = (RBIOS8(dac_info + 0x3) >> 4) & 0xf;
1079 				tv_dac->ps2_tvdac_adj =
1080 				    (bg << 16) | (dac << 20);
1081 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1082 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1083 				/* if the values are all zeros, use the table */
1084 				if (tv_dac->ps2_tvdac_adj)
1085 					found = 1;
1086 			} else {
1087 				bg = RBIOS8(dac_info + 0x4) & 0xf;
1088 				dac = RBIOS8(dac_info + 0x5) & 0xf;
1089 				tv_dac->ps2_tvdac_adj =
1090 				    (bg << 16) | (dac << 20);
1091 				tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1092 				tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1093 				/* if the values are all zeros, use the table */
1094 				if (tv_dac->ps2_tvdac_adj)
1095 					found = 1;
1096 			}
1097 		} else {
1098 			DRM_INFO("No TV DAC info found in BIOS\n");
1099 		}
1100 	}
1101 
1102 	if (!found) /* fallback to defaults */
1103 		radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
1104 
1105 	return tv_dac;
1106 }
1107 
radeon_legacy_get_lvds_info_from_regs(struct radeon_device * rdev)1108 static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
1109 									 radeon_device
1110 									 *rdev)
1111 {
1112 	struct radeon_encoder_lvds *lvds = NULL;
1113 	uint32_t fp_vert_stretch, fp_horz_stretch;
1114 	uint32_t ppll_div_sel, ppll_val;
1115 	uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
1116 
1117 	lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1118 
1119 	if (!lvds)
1120 		return NULL;
1121 
1122 	fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH);
1123 	fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH);
1124 
1125 	/* These should be fail-safe defaults, fingers crossed */
1126 	lvds->panel_pwr_delay = 200;
1127 	lvds->panel_vcc_delay = 2000;
1128 
1129 	lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
1130 	lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf;
1131 	lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf;
1132 
1133 	if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
1134 		lvds->native_mode.vdisplay =
1135 		    ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
1136 		     RADEON_VERT_PANEL_SHIFT) + 1;
1137 	else
1138 		lvds->native_mode.vdisplay =
1139 		    (RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;
1140 
1141 	if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
1142 		lvds->native_mode.hdisplay =
1143 		    (((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
1144 		      RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
1145 	else
1146 		lvds->native_mode.hdisplay =
1147 		    ((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;
1148 
1149 	if ((lvds->native_mode.hdisplay < 640) ||
1150 	    (lvds->native_mode.vdisplay < 480)) {
1151 		lvds->native_mode.hdisplay = 640;
1152 		lvds->native_mode.vdisplay = 480;
1153 	}
1154 
1155 	ppll_div_sel = RREG8(RADEON_CLOCK_CNTL_INDEX + 1) & 0x3;
1156 	ppll_val = RREG32_PLL(RADEON_PPLL_DIV_0 + ppll_div_sel);
1157 	if ((ppll_val & 0x000707ff) == 0x1bb)
1158 		lvds->use_bios_dividers = false;
1159 	else {
1160 		lvds->panel_ref_divider =
1161 		    RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
1162 		lvds->panel_post_divider = (ppll_val >> 16) & 0x7;
1163 		lvds->panel_fb_divider = ppll_val & 0x7ff;
1164 
1165 		if ((lvds->panel_ref_divider != 0) &&
1166 		    (lvds->panel_fb_divider > 3))
1167 			lvds->use_bios_dividers = true;
1168 	}
1169 	lvds->panel_vcc_delay = 200;
1170 
1171 	DRM_INFO("Panel info derived from registers\n");
1172 	DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1173 		 lvds->native_mode.vdisplay);
1174 
1175 	return lvds;
1176 }
1177 
radeon_combios_get_lvds_info(struct radeon_encoder * encoder)1178 struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
1179 							 *encoder)
1180 {
1181 	struct drm_device *dev = encoder->base.dev;
1182 	struct radeon_device *rdev = dev->dev_private;
1183 	uint16_t lcd_info;
1184 	uint32_t panel_setup;
1185 	char stmp[30];
1186 	int tmp, i;
1187 	struct radeon_encoder_lvds *lvds = NULL;
1188 
1189 	lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
1190 
1191 	if (lcd_info) {
1192 		lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1193 
1194 		if (!lvds)
1195 			return NULL;
1196 
1197 		for (i = 0; i < 24; i++)
1198 			stmp[i] = RBIOS8(lcd_info + i + 1);
1199 		stmp[24] = 0;
1200 
1201 		DRM_INFO("Panel ID String: %s\n", stmp);
1202 
1203 		lvds->native_mode.hdisplay = RBIOS16(lcd_info + 0x19);
1204 		lvds->native_mode.vdisplay = RBIOS16(lcd_info + 0x1b);
1205 
1206 		DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1207 			 lvds->native_mode.vdisplay);
1208 
1209 		lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
1210 		lvds->panel_vcc_delay = min_t(u16, lvds->panel_vcc_delay, 2000);
1211 
1212 		lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24);
1213 		lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf;
1214 		lvds->panel_blon_delay = (RBIOS16(lcd_info + 0x38) >> 4) & 0xf;
1215 
1216 		lvds->panel_ref_divider = RBIOS16(lcd_info + 0x2e);
1217 		lvds->panel_post_divider = RBIOS8(lcd_info + 0x30);
1218 		lvds->panel_fb_divider = RBIOS16(lcd_info + 0x31);
1219 		if ((lvds->panel_ref_divider != 0) &&
1220 		    (lvds->panel_fb_divider > 3))
1221 			lvds->use_bios_dividers = true;
1222 
1223 		panel_setup = RBIOS32(lcd_info + 0x39);
1224 		lvds->lvds_gen_cntl = 0xff00;
1225 		if (panel_setup & 0x1)
1226 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
1227 
1228 		if ((panel_setup >> 4) & 0x1)
1229 			lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
1230 
1231 		switch ((panel_setup >> 8) & 0x7) {
1232 		case 0:
1233 			lvds->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
1234 			break;
1235 		case 1:
1236 			lvds->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
1237 			break;
1238 		case 2:
1239 			lvds->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
1240 			break;
1241 		default:
1242 			break;
1243 		}
1244 
1245 		if ((panel_setup >> 16) & 0x1)
1246 			lvds->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
1247 
1248 		if ((panel_setup >> 17) & 0x1)
1249 			lvds->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
1250 
1251 		if ((panel_setup >> 18) & 0x1)
1252 			lvds->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
1253 
1254 		if ((panel_setup >> 23) & 0x1)
1255 			lvds->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
1256 
1257 		lvds->lvds_gen_cntl |= (panel_setup & 0xf0000000);
1258 
1259 		for (i = 0; i < 32; i++) {
1260 			tmp = RBIOS16(lcd_info + 64 + i * 2);
1261 			if (tmp == 0)
1262 				break;
1263 
1264 			if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
1265 			    (RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) {
1266 				u32 hss = (RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8;
1267 
1268 				if (hss > lvds->native_mode.hdisplay)
1269 					hss = (10 - 1) * 8;
1270 
1271 				lvds->native_mode.htotal = lvds->native_mode.hdisplay +
1272 					(RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8;
1273 				lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
1274 					hss;
1275 				lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
1276 					(RBIOS8(tmp + 23) * 8);
1277 
1278 				lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
1279 					(RBIOS16(tmp + 24) - RBIOS16(tmp + 26));
1280 				lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
1281 					((RBIOS16(tmp + 28) & 0x7ff) - RBIOS16(tmp + 26));
1282 				lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
1283 					((RBIOS16(tmp + 28) & 0xf800) >> 11);
1284 
1285 				lvds->native_mode.clock = RBIOS16(tmp + 9) * 10;
1286 				lvds->native_mode.flags = 0;
1287 				/* set crtc values */
1288 				drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
1289 
1290 			}
1291 		}
1292 	} else {
1293 		DRM_INFO("No panel info found in BIOS\n");
1294 		lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
1295 	}
1296 
1297 	if (lvds)
1298 		encoder->native_mode = lvds->native_mode;
1299 	return lvds;
1300 }
1301 
1302 static const struct radeon_tmds_pll default_tmds_pll[CHIP_LAST][4] = {
1303 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R100  */
1304 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV100 */
1305 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS100 */
1306 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RV200 */
1307 	{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_RS200 */
1308 	{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},	/* CHIP_R200  */
1309 	{{15500, 0x81b}, {0xffffffff, 0x83f}, {0, 0}, {0, 0}},	/* CHIP_RV250 */
1310 	{{0, 0}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RS300 */
1311 	{{13000, 0x400f4}, {15000, 0x400f7}, {0xffffffff, 0x40111}, {0, 0}},	/* CHIP_RV280 */
1312 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R300  */
1313 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R350  */
1314 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV350 */
1315 	{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},	/* CHIP_RV380 */
1316 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R420  */
1317 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_R423  */
1318 	{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},	/* CHIP_RV410 */
1319 	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS400 */
1320 	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS480 */
1321 };
1322 
radeon_legacy_get_tmds_info_from_table(struct radeon_encoder * encoder,struct radeon_encoder_int_tmds * tmds)1323 bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
1324 					    struct radeon_encoder_int_tmds *tmds)
1325 {
1326 	struct drm_device *dev = encoder->base.dev;
1327 	struct radeon_device *rdev = dev->dev_private;
1328 	int i;
1329 
1330 	for (i = 0; i < 4; i++) {
1331 		tmds->tmds_pll[i].value =
1332 			default_tmds_pll[rdev->family][i].value;
1333 		tmds->tmds_pll[i].freq = default_tmds_pll[rdev->family][i].freq;
1334 	}
1335 
1336 	return true;
1337 }
1338 
radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder * encoder,struct radeon_encoder_int_tmds * tmds)1339 bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
1340 					      struct radeon_encoder_int_tmds *tmds)
1341 {
1342 	struct drm_device *dev = encoder->base.dev;
1343 	struct radeon_device *rdev = dev->dev_private;
1344 	uint16_t tmds_info;
1345 	int i, n;
1346 	uint8_t ver;
1347 
1348 	tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1349 
1350 	if (tmds_info) {
1351 		ver = RBIOS8(tmds_info);
1352 		DRM_DEBUG_KMS("DFP table revision: %d\n", ver);
1353 		if (ver == 3) {
1354 			n = RBIOS8(tmds_info + 5) + 1;
1355 			if (n > 4)
1356 				n = 4;
1357 			for (i = 0; i < n; i++) {
1358 				tmds->tmds_pll[i].value =
1359 				    RBIOS32(tmds_info + i * 10 + 0x08);
1360 				tmds->tmds_pll[i].freq =
1361 				    RBIOS16(tmds_info + i * 10 + 0x10);
1362 				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1363 					  tmds->tmds_pll[i].freq,
1364 					  tmds->tmds_pll[i].value);
1365 			}
1366 		} else if (ver == 4) {
1367 			int stride = 0;
1368 			n = RBIOS8(tmds_info + 5) + 1;
1369 			if (n > 4)
1370 				n = 4;
1371 			for (i = 0; i < n; i++) {
1372 				tmds->tmds_pll[i].value =
1373 				    RBIOS32(tmds_info + stride + 0x08);
1374 				tmds->tmds_pll[i].freq =
1375 				    RBIOS16(tmds_info + stride + 0x10);
1376 				if (i == 0)
1377 					stride += 10;
1378 				else
1379 					stride += 6;
1380 				DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1381 					  tmds->tmds_pll[i].freq,
1382 					  tmds->tmds_pll[i].value);
1383 			}
1384 		}
1385 	} else {
1386 		DRM_INFO("No TMDS info found in BIOS\n");
1387 		return false;
1388 	}
1389 	return true;
1390 }
1391 
radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder * encoder,struct radeon_encoder_ext_tmds * tmds)1392 bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
1393 						struct radeon_encoder_ext_tmds *tmds)
1394 {
1395 	struct drm_device *dev = encoder->base.dev;
1396 	struct radeon_device *rdev = dev->dev_private;
1397 	struct radeon_i2c_bus_rec i2c_bus;
1398 
1399 	/* default for macs */
1400 	i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1401 	tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1402 
1403 	/* XXX some macs have duallink chips */
1404 	switch (rdev->mode_info.connector_table) {
1405 	case CT_POWERBOOK_EXTERNAL:
1406 	case CT_MINI_EXTERNAL:
1407 	default:
1408 		tmds->dvo_chip = DVO_SIL164;
1409 		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1410 		break;
1411 	}
1412 
1413 	return true;
1414 }
1415 
radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder * encoder,struct radeon_encoder_ext_tmds * tmds)1416 bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
1417 						  struct radeon_encoder_ext_tmds *tmds)
1418 {
1419 	struct drm_device *dev = encoder->base.dev;
1420 	struct radeon_device *rdev = dev->dev_private;
1421 	uint16_t offset;
1422 	uint8_t ver;
1423 	enum radeon_combios_ddc gpio;
1424 	struct radeon_i2c_bus_rec i2c_bus;
1425 
1426 	tmds->i2c_bus = NULL;
1427 	if (rdev->flags & RADEON_IS_IGP) {
1428 		i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1429 		tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1430 		tmds->dvo_chip = DVO_SIL164;
1431 		tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1432 	} else {
1433 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
1434 		if (offset) {
1435 			ver = RBIOS8(offset);
1436 			DRM_DEBUG_KMS("External TMDS Table revision: %d\n", ver);
1437 			tmds->slave_addr = RBIOS8(offset + 4 + 2);
1438 			tmds->slave_addr >>= 1; /* 7 bit addressing */
1439 			gpio = RBIOS8(offset + 4 + 3);
1440 			if (gpio == DDC_LCD) {
1441 				/* MM i2c */
1442 				i2c_bus.valid = true;
1443 				i2c_bus.hw_capable = true;
1444 				i2c_bus.mm_i2c = true;
1445 				i2c_bus.i2c_id = 0xa0;
1446 			} else
1447 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
1448 			tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1449 		}
1450 	}
1451 
1452 	if (!tmds->i2c_bus) {
1453 		DRM_INFO("No valid Ext TMDS info found in BIOS\n");
1454 		return false;
1455 	}
1456 
1457 	return true;
1458 }
1459 
radeon_get_legacy_connector_info_from_table(struct drm_device * dev)1460 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
1461 {
1462 	struct radeon_device *rdev = dev->dev_private;
1463 	struct radeon_i2c_bus_rec ddc_i2c;
1464 	struct radeon_hpd hpd;
1465 
1466 	rdev->mode_info.connector_table = radeon_connector_table;
1467 	if (rdev->mode_info.connector_table == CT_NONE) {
1468 #ifdef CONFIG_PPC_PMAC
1469 		if (of_machine_is_compatible("PowerBook3,3")) {
1470 			/* powerbook with VGA */
1471 			rdev->mode_info.connector_table = CT_POWERBOOK_VGA;
1472 		} else if (of_machine_is_compatible("PowerBook3,4") ||
1473 			   of_machine_is_compatible("PowerBook3,5")) {
1474 			/* powerbook with internal tmds */
1475 			rdev->mode_info.connector_table = CT_POWERBOOK_INTERNAL;
1476 		} else if (of_machine_is_compatible("PowerBook5,1") ||
1477 			   of_machine_is_compatible("PowerBook5,2") ||
1478 			   of_machine_is_compatible("PowerBook5,3") ||
1479 			   of_machine_is_compatible("PowerBook5,4") ||
1480 			   of_machine_is_compatible("PowerBook5,5")) {
1481 			/* powerbook with external single link tmds (sil164) */
1482 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1483 		} else if (of_machine_is_compatible("PowerBook5,6")) {
1484 			/* powerbook with external dual or single link tmds */
1485 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1486 		} else if (of_machine_is_compatible("PowerBook5,7") ||
1487 			   of_machine_is_compatible("PowerBook5,8") ||
1488 			   of_machine_is_compatible("PowerBook5,9")) {
1489 			/* PowerBook6,2 ? */
1490 			/* powerbook with external dual link tmds (sil1178?) */
1491 			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1492 		} else if (of_machine_is_compatible("PowerBook4,1") ||
1493 			   of_machine_is_compatible("PowerBook4,2") ||
1494 			   of_machine_is_compatible("PowerBook4,3") ||
1495 			   of_machine_is_compatible("PowerBook6,3") ||
1496 			   of_machine_is_compatible("PowerBook6,5") ||
1497 			   of_machine_is_compatible("PowerBook6,7")) {
1498 			/* ibook */
1499 			rdev->mode_info.connector_table = CT_IBOOK;
1500 		} else if (of_machine_is_compatible("PowerMac3,5")) {
1501 			/* PowerMac G4 Silver radeon 7500 */
1502 			rdev->mode_info.connector_table = CT_MAC_G4_SILVER;
1503 		} else if (of_machine_is_compatible("PowerMac4,4")) {
1504 			/* emac */
1505 			rdev->mode_info.connector_table = CT_EMAC;
1506 		} else if (of_machine_is_compatible("PowerMac10,1")) {
1507 			/* mini with internal tmds */
1508 			rdev->mode_info.connector_table = CT_MINI_INTERNAL;
1509 		} else if (of_machine_is_compatible("PowerMac10,2")) {
1510 			/* mini with external tmds */
1511 			rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
1512 		} else if (of_machine_is_compatible("PowerMac12,1")) {
1513 			/* PowerMac8,1 ? */
1514 			/* imac g5 isight */
1515 			rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
1516 		} else if ((rdev->pdev->device == 0x4a48) &&
1517 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1518 			   (rdev->pdev->subsystem_device == 0x4a48)) {
1519 			/* Mac X800 */
1520 			rdev->mode_info.connector_table = CT_MAC_X800;
1521 		} else if ((of_machine_is_compatible("PowerMac7,2") ||
1522 			    of_machine_is_compatible("PowerMac7,3")) &&
1523 			   (rdev->pdev->device == 0x4150) &&
1524 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1525 			   (rdev->pdev->subsystem_device == 0x4150)) {
1526 			/* Mac G5 tower 9600 */
1527 			rdev->mode_info.connector_table = CT_MAC_G5_9600;
1528 		} else if ((rdev->pdev->device == 0x4c66) &&
1529 			   (rdev->pdev->subsystem_vendor == 0x1002) &&
1530 			   (rdev->pdev->subsystem_device == 0x4c66)) {
1531 			/* SAM440ep RV250 embedded board */
1532 			rdev->mode_info.connector_table = CT_SAM440EP;
1533 		} else
1534 #endif /* CONFIG_PPC_PMAC */
1535 #ifdef CONFIG_PPC64
1536 		if (ASIC_IS_RN50(rdev))
1537 			rdev->mode_info.connector_table = CT_RN50_POWER;
1538 		else
1539 #endif
1540 			rdev->mode_info.connector_table = CT_GENERIC;
1541 	}
1542 
1543 	switch (rdev->mode_info.connector_table) {
1544 	case CT_GENERIC:
1545 		DRM_INFO("Connector Table: %d (generic)\n",
1546 			 rdev->mode_info.connector_table);
1547 		/* these are the most common settings */
1548 		if (rdev->flags & RADEON_SINGLE_CRTC) {
1549 			/* VGA - primary dac */
1550 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1551 			hpd.hpd = RADEON_HPD_NONE;
1552 			radeon_add_legacy_encoder(dev,
1553 						  radeon_get_encoder_enum(dev,
1554 									ATOM_DEVICE_CRT1_SUPPORT,
1555 									1),
1556 						  ATOM_DEVICE_CRT1_SUPPORT);
1557 			radeon_add_legacy_connector(dev, 0,
1558 						    ATOM_DEVICE_CRT1_SUPPORT,
1559 						    DRM_MODE_CONNECTOR_VGA,
1560 						    &ddc_i2c,
1561 						    CONNECTOR_OBJECT_ID_VGA,
1562 						    &hpd);
1563 		} else if (rdev->flags & RADEON_IS_MOBILITY) {
1564 			/* LVDS */
1565 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
1566 			hpd.hpd = RADEON_HPD_NONE;
1567 			radeon_add_legacy_encoder(dev,
1568 						  radeon_get_encoder_enum(dev,
1569 									ATOM_DEVICE_LCD1_SUPPORT,
1570 									0),
1571 						  ATOM_DEVICE_LCD1_SUPPORT);
1572 			radeon_add_legacy_connector(dev, 0,
1573 						    ATOM_DEVICE_LCD1_SUPPORT,
1574 						    DRM_MODE_CONNECTOR_LVDS,
1575 						    &ddc_i2c,
1576 						    CONNECTOR_OBJECT_ID_LVDS,
1577 						    &hpd);
1578 
1579 			/* VGA - primary dac */
1580 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1581 			hpd.hpd = RADEON_HPD_NONE;
1582 			radeon_add_legacy_encoder(dev,
1583 						  radeon_get_encoder_enum(dev,
1584 									ATOM_DEVICE_CRT1_SUPPORT,
1585 									1),
1586 						  ATOM_DEVICE_CRT1_SUPPORT);
1587 			radeon_add_legacy_connector(dev, 1,
1588 						    ATOM_DEVICE_CRT1_SUPPORT,
1589 						    DRM_MODE_CONNECTOR_VGA,
1590 						    &ddc_i2c,
1591 						    CONNECTOR_OBJECT_ID_VGA,
1592 						    &hpd);
1593 		} else {
1594 			/* DVI-I - tv dac, int tmds */
1595 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1596 			hpd.hpd = RADEON_HPD_1;
1597 			radeon_add_legacy_encoder(dev,
1598 						  radeon_get_encoder_enum(dev,
1599 									ATOM_DEVICE_DFP1_SUPPORT,
1600 									0),
1601 						  ATOM_DEVICE_DFP1_SUPPORT);
1602 			radeon_add_legacy_encoder(dev,
1603 						  radeon_get_encoder_enum(dev,
1604 									ATOM_DEVICE_CRT2_SUPPORT,
1605 									2),
1606 						  ATOM_DEVICE_CRT2_SUPPORT);
1607 			radeon_add_legacy_connector(dev, 0,
1608 						    ATOM_DEVICE_DFP1_SUPPORT |
1609 						    ATOM_DEVICE_CRT2_SUPPORT,
1610 						    DRM_MODE_CONNECTOR_DVII,
1611 						    &ddc_i2c,
1612 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1613 						    &hpd);
1614 
1615 			/* VGA - primary dac */
1616 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1617 			hpd.hpd = RADEON_HPD_NONE;
1618 			radeon_add_legacy_encoder(dev,
1619 						  radeon_get_encoder_enum(dev,
1620 									ATOM_DEVICE_CRT1_SUPPORT,
1621 									1),
1622 						  ATOM_DEVICE_CRT1_SUPPORT);
1623 			radeon_add_legacy_connector(dev, 1,
1624 						    ATOM_DEVICE_CRT1_SUPPORT,
1625 						    DRM_MODE_CONNECTOR_VGA,
1626 						    &ddc_i2c,
1627 						    CONNECTOR_OBJECT_ID_VGA,
1628 						    &hpd);
1629 		}
1630 
1631 		if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1632 			/* TV - tv dac */
1633 			ddc_i2c.valid = false;
1634 			hpd.hpd = RADEON_HPD_NONE;
1635 			radeon_add_legacy_encoder(dev,
1636 						  radeon_get_encoder_enum(dev,
1637 									ATOM_DEVICE_TV1_SUPPORT,
1638 									2),
1639 						  ATOM_DEVICE_TV1_SUPPORT);
1640 			radeon_add_legacy_connector(dev, 2,
1641 						    ATOM_DEVICE_TV1_SUPPORT,
1642 						    DRM_MODE_CONNECTOR_SVIDEO,
1643 						    &ddc_i2c,
1644 						    CONNECTOR_OBJECT_ID_SVIDEO,
1645 						    &hpd);
1646 		}
1647 		break;
1648 	case CT_IBOOK:
1649 		DRM_INFO("Connector Table: %d (ibook)\n",
1650 			 rdev->mode_info.connector_table);
1651 		/* LVDS */
1652 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1653 		hpd.hpd = RADEON_HPD_NONE;
1654 		radeon_add_legacy_encoder(dev,
1655 					  radeon_get_encoder_enum(dev,
1656 								ATOM_DEVICE_LCD1_SUPPORT,
1657 								0),
1658 					  ATOM_DEVICE_LCD1_SUPPORT);
1659 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1660 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1661 					    CONNECTOR_OBJECT_ID_LVDS,
1662 					    &hpd);
1663 		/* VGA - TV DAC */
1664 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1665 		hpd.hpd = RADEON_HPD_NONE;
1666 		radeon_add_legacy_encoder(dev,
1667 					  radeon_get_encoder_enum(dev,
1668 								ATOM_DEVICE_CRT2_SUPPORT,
1669 								2),
1670 					  ATOM_DEVICE_CRT2_SUPPORT);
1671 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1672 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1673 					    CONNECTOR_OBJECT_ID_VGA,
1674 					    &hpd);
1675 		/* TV - TV DAC */
1676 		ddc_i2c.valid = false;
1677 		hpd.hpd = RADEON_HPD_NONE;
1678 		radeon_add_legacy_encoder(dev,
1679 					  radeon_get_encoder_enum(dev,
1680 								ATOM_DEVICE_TV1_SUPPORT,
1681 								2),
1682 					  ATOM_DEVICE_TV1_SUPPORT);
1683 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1684 					    DRM_MODE_CONNECTOR_SVIDEO,
1685 					    &ddc_i2c,
1686 					    CONNECTOR_OBJECT_ID_SVIDEO,
1687 					    &hpd);
1688 		break;
1689 	case CT_POWERBOOK_EXTERNAL:
1690 		DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
1691 			 rdev->mode_info.connector_table);
1692 		/* LVDS */
1693 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1694 		hpd.hpd = RADEON_HPD_NONE;
1695 		radeon_add_legacy_encoder(dev,
1696 					  radeon_get_encoder_enum(dev,
1697 								ATOM_DEVICE_LCD1_SUPPORT,
1698 								0),
1699 					  ATOM_DEVICE_LCD1_SUPPORT);
1700 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1701 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1702 					    CONNECTOR_OBJECT_ID_LVDS,
1703 					    &hpd);
1704 		/* DVI-I - primary dac, ext tmds */
1705 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1706 		hpd.hpd = RADEON_HPD_2; /* ??? */
1707 		radeon_add_legacy_encoder(dev,
1708 					  radeon_get_encoder_enum(dev,
1709 								ATOM_DEVICE_DFP2_SUPPORT,
1710 								0),
1711 					  ATOM_DEVICE_DFP2_SUPPORT);
1712 		radeon_add_legacy_encoder(dev,
1713 					  radeon_get_encoder_enum(dev,
1714 								ATOM_DEVICE_CRT1_SUPPORT,
1715 								1),
1716 					  ATOM_DEVICE_CRT1_SUPPORT);
1717 		/* XXX some are SL */
1718 		radeon_add_legacy_connector(dev, 1,
1719 					    ATOM_DEVICE_DFP2_SUPPORT |
1720 					    ATOM_DEVICE_CRT1_SUPPORT,
1721 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1722 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
1723 					    &hpd);
1724 		/* TV - TV DAC */
1725 		ddc_i2c.valid = false;
1726 		hpd.hpd = RADEON_HPD_NONE;
1727 		radeon_add_legacy_encoder(dev,
1728 					  radeon_get_encoder_enum(dev,
1729 								ATOM_DEVICE_TV1_SUPPORT,
1730 								2),
1731 					  ATOM_DEVICE_TV1_SUPPORT);
1732 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1733 					    DRM_MODE_CONNECTOR_SVIDEO,
1734 					    &ddc_i2c,
1735 					    CONNECTOR_OBJECT_ID_SVIDEO,
1736 					    &hpd);
1737 		break;
1738 	case CT_POWERBOOK_INTERNAL:
1739 		DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
1740 			 rdev->mode_info.connector_table);
1741 		/* LVDS */
1742 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1743 		hpd.hpd = RADEON_HPD_NONE;
1744 		radeon_add_legacy_encoder(dev,
1745 					  radeon_get_encoder_enum(dev,
1746 								ATOM_DEVICE_LCD1_SUPPORT,
1747 								0),
1748 					  ATOM_DEVICE_LCD1_SUPPORT);
1749 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1750 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1751 					    CONNECTOR_OBJECT_ID_LVDS,
1752 					    &hpd);
1753 		/* DVI-I - primary dac, int tmds */
1754 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1755 		hpd.hpd = RADEON_HPD_1; /* ??? */
1756 		radeon_add_legacy_encoder(dev,
1757 					  radeon_get_encoder_enum(dev,
1758 								ATOM_DEVICE_DFP1_SUPPORT,
1759 								0),
1760 					  ATOM_DEVICE_DFP1_SUPPORT);
1761 		radeon_add_legacy_encoder(dev,
1762 					  radeon_get_encoder_enum(dev,
1763 								ATOM_DEVICE_CRT1_SUPPORT,
1764 								1),
1765 					  ATOM_DEVICE_CRT1_SUPPORT);
1766 		radeon_add_legacy_connector(dev, 1,
1767 					    ATOM_DEVICE_DFP1_SUPPORT |
1768 					    ATOM_DEVICE_CRT1_SUPPORT,
1769 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1770 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1771 					    &hpd);
1772 		/* TV - TV DAC */
1773 		ddc_i2c.valid = false;
1774 		hpd.hpd = RADEON_HPD_NONE;
1775 		radeon_add_legacy_encoder(dev,
1776 					  radeon_get_encoder_enum(dev,
1777 								ATOM_DEVICE_TV1_SUPPORT,
1778 								2),
1779 					  ATOM_DEVICE_TV1_SUPPORT);
1780 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1781 					    DRM_MODE_CONNECTOR_SVIDEO,
1782 					    &ddc_i2c,
1783 					    CONNECTOR_OBJECT_ID_SVIDEO,
1784 					    &hpd);
1785 		break;
1786 	case CT_POWERBOOK_VGA:
1787 		DRM_INFO("Connector Table: %d (powerbook vga)\n",
1788 			 rdev->mode_info.connector_table);
1789 		/* LVDS */
1790 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1791 		hpd.hpd = RADEON_HPD_NONE;
1792 		radeon_add_legacy_encoder(dev,
1793 					  radeon_get_encoder_enum(dev,
1794 								ATOM_DEVICE_LCD1_SUPPORT,
1795 								0),
1796 					  ATOM_DEVICE_LCD1_SUPPORT);
1797 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1798 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1799 					    CONNECTOR_OBJECT_ID_LVDS,
1800 					    &hpd);
1801 		/* VGA - primary dac */
1802 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1803 		hpd.hpd = RADEON_HPD_NONE;
1804 		radeon_add_legacy_encoder(dev,
1805 					  radeon_get_encoder_enum(dev,
1806 								ATOM_DEVICE_CRT1_SUPPORT,
1807 								1),
1808 					  ATOM_DEVICE_CRT1_SUPPORT);
1809 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
1810 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1811 					    CONNECTOR_OBJECT_ID_VGA,
1812 					    &hpd);
1813 		/* TV - TV DAC */
1814 		ddc_i2c.valid = false;
1815 		hpd.hpd = RADEON_HPD_NONE;
1816 		radeon_add_legacy_encoder(dev,
1817 					  radeon_get_encoder_enum(dev,
1818 								ATOM_DEVICE_TV1_SUPPORT,
1819 								2),
1820 					  ATOM_DEVICE_TV1_SUPPORT);
1821 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1822 					    DRM_MODE_CONNECTOR_SVIDEO,
1823 					    &ddc_i2c,
1824 					    CONNECTOR_OBJECT_ID_SVIDEO,
1825 					    &hpd);
1826 		break;
1827 	case CT_MINI_EXTERNAL:
1828 		DRM_INFO("Connector Table: %d (mini external tmds)\n",
1829 			 rdev->mode_info.connector_table);
1830 		/* DVI-I - tv dac, ext tmds */
1831 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1832 		hpd.hpd = RADEON_HPD_2; /* ??? */
1833 		radeon_add_legacy_encoder(dev,
1834 					  radeon_get_encoder_enum(dev,
1835 								ATOM_DEVICE_DFP2_SUPPORT,
1836 								0),
1837 					  ATOM_DEVICE_DFP2_SUPPORT);
1838 		radeon_add_legacy_encoder(dev,
1839 					  radeon_get_encoder_enum(dev,
1840 								ATOM_DEVICE_CRT2_SUPPORT,
1841 								2),
1842 					  ATOM_DEVICE_CRT2_SUPPORT);
1843 		/* XXX are any DL? */
1844 		radeon_add_legacy_connector(dev, 0,
1845 					    ATOM_DEVICE_DFP2_SUPPORT |
1846 					    ATOM_DEVICE_CRT2_SUPPORT,
1847 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1848 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1849 					    &hpd);
1850 		/* TV - TV DAC */
1851 		ddc_i2c.valid = false;
1852 		hpd.hpd = RADEON_HPD_NONE;
1853 		radeon_add_legacy_encoder(dev,
1854 					  radeon_get_encoder_enum(dev,
1855 								ATOM_DEVICE_TV1_SUPPORT,
1856 								2),
1857 					  ATOM_DEVICE_TV1_SUPPORT);
1858 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1859 					    DRM_MODE_CONNECTOR_SVIDEO,
1860 					    &ddc_i2c,
1861 					    CONNECTOR_OBJECT_ID_SVIDEO,
1862 					    &hpd);
1863 		break;
1864 	case CT_MINI_INTERNAL:
1865 		DRM_INFO("Connector Table: %d (mini internal tmds)\n",
1866 			 rdev->mode_info.connector_table);
1867 		/* DVI-I - tv dac, int tmds */
1868 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1869 		hpd.hpd = RADEON_HPD_1; /* ??? */
1870 		radeon_add_legacy_encoder(dev,
1871 					  radeon_get_encoder_enum(dev,
1872 								ATOM_DEVICE_DFP1_SUPPORT,
1873 								0),
1874 					  ATOM_DEVICE_DFP1_SUPPORT);
1875 		radeon_add_legacy_encoder(dev,
1876 					  radeon_get_encoder_enum(dev,
1877 								ATOM_DEVICE_CRT2_SUPPORT,
1878 								2),
1879 					  ATOM_DEVICE_CRT2_SUPPORT);
1880 		radeon_add_legacy_connector(dev, 0,
1881 					    ATOM_DEVICE_DFP1_SUPPORT |
1882 					    ATOM_DEVICE_CRT2_SUPPORT,
1883 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1884 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1885 					    &hpd);
1886 		/* TV - TV DAC */
1887 		ddc_i2c.valid = false;
1888 		hpd.hpd = RADEON_HPD_NONE;
1889 		radeon_add_legacy_encoder(dev,
1890 					  radeon_get_encoder_enum(dev,
1891 								ATOM_DEVICE_TV1_SUPPORT,
1892 								2),
1893 					  ATOM_DEVICE_TV1_SUPPORT);
1894 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1895 					    DRM_MODE_CONNECTOR_SVIDEO,
1896 					    &ddc_i2c,
1897 					    CONNECTOR_OBJECT_ID_SVIDEO,
1898 					    &hpd);
1899 		break;
1900 	case CT_IMAC_G5_ISIGHT:
1901 		DRM_INFO("Connector Table: %d (imac g5 isight)\n",
1902 			 rdev->mode_info.connector_table);
1903 		/* DVI-D - int tmds */
1904 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1905 		hpd.hpd = RADEON_HPD_1; /* ??? */
1906 		radeon_add_legacy_encoder(dev,
1907 					  radeon_get_encoder_enum(dev,
1908 								ATOM_DEVICE_DFP1_SUPPORT,
1909 								0),
1910 					  ATOM_DEVICE_DFP1_SUPPORT);
1911 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
1912 					    DRM_MODE_CONNECTOR_DVID, &ddc_i2c,
1913 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
1914 					    &hpd);
1915 		/* VGA - tv dac */
1916 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1917 		hpd.hpd = RADEON_HPD_NONE;
1918 		radeon_add_legacy_encoder(dev,
1919 					  radeon_get_encoder_enum(dev,
1920 								ATOM_DEVICE_CRT2_SUPPORT,
1921 								2),
1922 					  ATOM_DEVICE_CRT2_SUPPORT);
1923 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1924 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1925 					    CONNECTOR_OBJECT_ID_VGA,
1926 					    &hpd);
1927 		/* TV - TV DAC */
1928 		ddc_i2c.valid = false;
1929 		hpd.hpd = RADEON_HPD_NONE;
1930 		radeon_add_legacy_encoder(dev,
1931 					  radeon_get_encoder_enum(dev,
1932 								ATOM_DEVICE_TV1_SUPPORT,
1933 								2),
1934 					  ATOM_DEVICE_TV1_SUPPORT);
1935 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1936 					    DRM_MODE_CONNECTOR_SVIDEO,
1937 					    &ddc_i2c,
1938 					    CONNECTOR_OBJECT_ID_SVIDEO,
1939 					    &hpd);
1940 		break;
1941 	case CT_EMAC:
1942 		DRM_INFO("Connector Table: %d (emac)\n",
1943 			 rdev->mode_info.connector_table);
1944 		/* VGA - primary dac */
1945 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1946 		hpd.hpd = RADEON_HPD_NONE;
1947 		radeon_add_legacy_encoder(dev,
1948 					  radeon_get_encoder_enum(dev,
1949 								ATOM_DEVICE_CRT1_SUPPORT,
1950 								1),
1951 					  ATOM_DEVICE_CRT1_SUPPORT);
1952 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1953 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1954 					    CONNECTOR_OBJECT_ID_VGA,
1955 					    &hpd);
1956 		/* VGA - tv dac */
1957 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1958 		hpd.hpd = RADEON_HPD_NONE;
1959 		radeon_add_legacy_encoder(dev,
1960 					  radeon_get_encoder_enum(dev,
1961 								ATOM_DEVICE_CRT2_SUPPORT,
1962 								2),
1963 					  ATOM_DEVICE_CRT2_SUPPORT);
1964 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1965 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1966 					    CONNECTOR_OBJECT_ID_VGA,
1967 					    &hpd);
1968 		/* TV - TV DAC */
1969 		ddc_i2c.valid = false;
1970 		hpd.hpd = RADEON_HPD_NONE;
1971 		radeon_add_legacy_encoder(dev,
1972 					  radeon_get_encoder_enum(dev,
1973 								ATOM_DEVICE_TV1_SUPPORT,
1974 								2),
1975 					  ATOM_DEVICE_TV1_SUPPORT);
1976 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1977 					    DRM_MODE_CONNECTOR_SVIDEO,
1978 					    &ddc_i2c,
1979 					    CONNECTOR_OBJECT_ID_SVIDEO,
1980 					    &hpd);
1981 		break;
1982 	case CT_RN50_POWER:
1983 		DRM_INFO("Connector Table: %d (rn50-power)\n",
1984 			 rdev->mode_info.connector_table);
1985 		/* VGA - primary dac */
1986 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1987 		hpd.hpd = RADEON_HPD_NONE;
1988 		radeon_add_legacy_encoder(dev,
1989 					  radeon_get_encoder_enum(dev,
1990 								ATOM_DEVICE_CRT1_SUPPORT,
1991 								1),
1992 					  ATOM_DEVICE_CRT1_SUPPORT);
1993 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1994 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1995 					    CONNECTOR_OBJECT_ID_VGA,
1996 					    &hpd);
1997 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1998 		hpd.hpd = RADEON_HPD_NONE;
1999 		radeon_add_legacy_encoder(dev,
2000 					  radeon_get_encoder_enum(dev,
2001 								ATOM_DEVICE_CRT2_SUPPORT,
2002 								2),
2003 					  ATOM_DEVICE_CRT2_SUPPORT);
2004 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
2005 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2006 					    CONNECTOR_OBJECT_ID_VGA,
2007 					    &hpd);
2008 		break;
2009 	case CT_MAC_X800:
2010 		DRM_INFO("Connector Table: %d (mac x800)\n",
2011 			 rdev->mode_info.connector_table);
2012 		/* DVI - primary dac, internal tmds */
2013 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2014 		hpd.hpd = RADEON_HPD_1; /* ??? */
2015 		radeon_add_legacy_encoder(dev,
2016 					  radeon_get_encoder_enum(dev,
2017 								  ATOM_DEVICE_DFP1_SUPPORT,
2018 								  0),
2019 					  ATOM_DEVICE_DFP1_SUPPORT);
2020 		radeon_add_legacy_encoder(dev,
2021 					  radeon_get_encoder_enum(dev,
2022 								  ATOM_DEVICE_CRT1_SUPPORT,
2023 								  1),
2024 					  ATOM_DEVICE_CRT1_SUPPORT);
2025 		radeon_add_legacy_connector(dev, 0,
2026 					    ATOM_DEVICE_DFP1_SUPPORT |
2027 					    ATOM_DEVICE_CRT1_SUPPORT,
2028 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2029 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2030 					    &hpd);
2031 		/* DVI - tv dac, dvo */
2032 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2033 		hpd.hpd = RADEON_HPD_2; /* ??? */
2034 		radeon_add_legacy_encoder(dev,
2035 					  radeon_get_encoder_enum(dev,
2036 								  ATOM_DEVICE_DFP2_SUPPORT,
2037 								  0),
2038 					  ATOM_DEVICE_DFP2_SUPPORT);
2039 		radeon_add_legacy_encoder(dev,
2040 					  radeon_get_encoder_enum(dev,
2041 								  ATOM_DEVICE_CRT2_SUPPORT,
2042 								  2),
2043 					  ATOM_DEVICE_CRT2_SUPPORT);
2044 		radeon_add_legacy_connector(dev, 1,
2045 					    ATOM_DEVICE_DFP2_SUPPORT |
2046 					    ATOM_DEVICE_CRT2_SUPPORT,
2047 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2048 					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
2049 					    &hpd);
2050 		break;
2051 	case CT_MAC_G5_9600:
2052 		DRM_INFO("Connector Table: %d (mac g5 9600)\n",
2053 			 rdev->mode_info.connector_table);
2054 		/* DVI - tv dac, dvo */
2055 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2056 		hpd.hpd = RADEON_HPD_1; /* ??? */
2057 		radeon_add_legacy_encoder(dev,
2058 					  radeon_get_encoder_enum(dev,
2059 								  ATOM_DEVICE_DFP2_SUPPORT,
2060 								  0),
2061 					  ATOM_DEVICE_DFP2_SUPPORT);
2062 		radeon_add_legacy_encoder(dev,
2063 					  radeon_get_encoder_enum(dev,
2064 								  ATOM_DEVICE_CRT2_SUPPORT,
2065 								  2),
2066 					  ATOM_DEVICE_CRT2_SUPPORT);
2067 		radeon_add_legacy_connector(dev, 0,
2068 					    ATOM_DEVICE_DFP2_SUPPORT |
2069 					    ATOM_DEVICE_CRT2_SUPPORT,
2070 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2071 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2072 					    &hpd);
2073 		/* ADC - primary dac, internal tmds */
2074 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2075 		hpd.hpd = RADEON_HPD_2; /* ??? */
2076 		radeon_add_legacy_encoder(dev,
2077 					  radeon_get_encoder_enum(dev,
2078 								  ATOM_DEVICE_DFP1_SUPPORT,
2079 								  0),
2080 					  ATOM_DEVICE_DFP1_SUPPORT);
2081 		radeon_add_legacy_encoder(dev,
2082 					  radeon_get_encoder_enum(dev,
2083 								  ATOM_DEVICE_CRT1_SUPPORT,
2084 								  1),
2085 					  ATOM_DEVICE_CRT1_SUPPORT);
2086 		radeon_add_legacy_connector(dev, 1,
2087 					    ATOM_DEVICE_DFP1_SUPPORT |
2088 					    ATOM_DEVICE_CRT1_SUPPORT,
2089 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2090 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2091 					    &hpd);
2092 		/* TV - TV DAC */
2093 		ddc_i2c.valid = false;
2094 		hpd.hpd = RADEON_HPD_NONE;
2095 		radeon_add_legacy_encoder(dev,
2096 					  radeon_get_encoder_enum(dev,
2097 								ATOM_DEVICE_TV1_SUPPORT,
2098 								2),
2099 					  ATOM_DEVICE_TV1_SUPPORT);
2100 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2101 					    DRM_MODE_CONNECTOR_SVIDEO,
2102 					    &ddc_i2c,
2103 					    CONNECTOR_OBJECT_ID_SVIDEO,
2104 					    &hpd);
2105 		break;
2106 	case CT_SAM440EP:
2107 		DRM_INFO("Connector Table: %d (SAM440ep embedded board)\n",
2108 			 rdev->mode_info.connector_table);
2109 		/* LVDS */
2110 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
2111 		hpd.hpd = RADEON_HPD_NONE;
2112 		radeon_add_legacy_encoder(dev,
2113 					  radeon_get_encoder_enum(dev,
2114 								ATOM_DEVICE_LCD1_SUPPORT,
2115 								0),
2116 					  ATOM_DEVICE_LCD1_SUPPORT);
2117 		radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
2118 					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
2119 					    CONNECTOR_OBJECT_ID_LVDS,
2120 					    &hpd);
2121 		/* DVI-I - secondary dac, int tmds */
2122 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2123 		hpd.hpd = RADEON_HPD_1; /* ??? */
2124 		radeon_add_legacy_encoder(dev,
2125 					  radeon_get_encoder_enum(dev,
2126 								ATOM_DEVICE_DFP1_SUPPORT,
2127 								0),
2128 					  ATOM_DEVICE_DFP1_SUPPORT);
2129 		radeon_add_legacy_encoder(dev,
2130 					  radeon_get_encoder_enum(dev,
2131 								ATOM_DEVICE_CRT2_SUPPORT,
2132 								2),
2133 					  ATOM_DEVICE_CRT2_SUPPORT);
2134 		radeon_add_legacy_connector(dev, 1,
2135 					    ATOM_DEVICE_DFP1_SUPPORT |
2136 					    ATOM_DEVICE_CRT2_SUPPORT,
2137 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2138 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2139 					    &hpd);
2140 		/* VGA - primary dac */
2141 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2142 		hpd.hpd = RADEON_HPD_NONE;
2143 		radeon_add_legacy_encoder(dev,
2144 					  radeon_get_encoder_enum(dev,
2145 								ATOM_DEVICE_CRT1_SUPPORT,
2146 								1),
2147 					  ATOM_DEVICE_CRT1_SUPPORT);
2148 		radeon_add_legacy_connector(dev, 2,
2149 					    ATOM_DEVICE_CRT1_SUPPORT,
2150 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2151 					    CONNECTOR_OBJECT_ID_VGA,
2152 					    &hpd);
2153 		/* TV - TV DAC */
2154 		ddc_i2c.valid = false;
2155 		hpd.hpd = RADEON_HPD_NONE;
2156 		radeon_add_legacy_encoder(dev,
2157 					  radeon_get_encoder_enum(dev,
2158 								ATOM_DEVICE_TV1_SUPPORT,
2159 								2),
2160 					  ATOM_DEVICE_TV1_SUPPORT);
2161 		radeon_add_legacy_connector(dev, 3, ATOM_DEVICE_TV1_SUPPORT,
2162 					    DRM_MODE_CONNECTOR_SVIDEO,
2163 					    &ddc_i2c,
2164 					    CONNECTOR_OBJECT_ID_SVIDEO,
2165 					    &hpd);
2166 		break;
2167 	case CT_MAC_G4_SILVER:
2168 		DRM_INFO("Connector Table: %d (mac g4 silver)\n",
2169 			 rdev->mode_info.connector_table);
2170 		/* DVI-I - tv dac, int tmds */
2171 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2172 		hpd.hpd = RADEON_HPD_1; /* ??? */
2173 		radeon_add_legacy_encoder(dev,
2174 					  radeon_get_encoder_enum(dev,
2175 								ATOM_DEVICE_DFP1_SUPPORT,
2176 								0),
2177 					  ATOM_DEVICE_DFP1_SUPPORT);
2178 		radeon_add_legacy_encoder(dev,
2179 					  radeon_get_encoder_enum(dev,
2180 								ATOM_DEVICE_CRT2_SUPPORT,
2181 								2),
2182 					  ATOM_DEVICE_CRT2_SUPPORT);
2183 		radeon_add_legacy_connector(dev, 0,
2184 					    ATOM_DEVICE_DFP1_SUPPORT |
2185 					    ATOM_DEVICE_CRT2_SUPPORT,
2186 					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
2187 					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2188 					    &hpd);
2189 		/* VGA - primary dac */
2190 		ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2191 		hpd.hpd = RADEON_HPD_NONE;
2192 		radeon_add_legacy_encoder(dev,
2193 					  radeon_get_encoder_enum(dev,
2194 								ATOM_DEVICE_CRT1_SUPPORT,
2195 								1),
2196 					  ATOM_DEVICE_CRT1_SUPPORT);
2197 		radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
2198 					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
2199 					    CONNECTOR_OBJECT_ID_VGA,
2200 					    &hpd);
2201 		/* TV - TV DAC */
2202 		ddc_i2c.valid = false;
2203 		hpd.hpd = RADEON_HPD_NONE;
2204 		radeon_add_legacy_encoder(dev,
2205 					  radeon_get_encoder_enum(dev,
2206 								ATOM_DEVICE_TV1_SUPPORT,
2207 								2),
2208 					  ATOM_DEVICE_TV1_SUPPORT);
2209 		radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
2210 					    DRM_MODE_CONNECTOR_SVIDEO,
2211 					    &ddc_i2c,
2212 					    CONNECTOR_OBJECT_ID_SVIDEO,
2213 					    &hpd);
2214 		break;
2215 	default:
2216 		DRM_INFO("Connector table: %d (invalid)\n",
2217 			 rdev->mode_info.connector_table);
2218 		return false;
2219 	}
2220 
2221 	radeon_link_encoder_connector(dev);
2222 
2223 	return true;
2224 }
2225 
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)2226 static bool radeon_apply_legacy_quirks(struct drm_device *dev,
2227 				       int bios_index,
2228 				       enum radeon_combios_connector
2229 				       *legacy_connector,
2230 				       struct radeon_i2c_bus_rec *ddc_i2c,
2231 				       struct radeon_hpd *hpd)
2232 {
2233 
2234 	/* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
2235 	   one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
2236 	if (dev->pdev->device == 0x515e &&
2237 	    dev->pdev->subsystem_vendor == 0x1014) {
2238 		if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
2239 		    ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
2240 			return false;
2241 	}
2242 
2243 	/* X300 card with extra non-existent DVI port */
2244 	if (dev->pdev->device == 0x5B60 &&
2245 	    dev->pdev->subsystem_vendor == 0x17af &&
2246 	    dev->pdev->subsystem_device == 0x201e && bios_index == 2) {
2247 		if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
2248 			return false;
2249 	}
2250 
2251 	return true;
2252 }
2253 
radeon_apply_legacy_tv_quirks(struct drm_device * dev)2254 static bool radeon_apply_legacy_tv_quirks(struct drm_device *dev)
2255 {
2256 	/* Acer 5102 has non-existent TV port */
2257 	if (dev->pdev->device == 0x5975 &&
2258 	    dev->pdev->subsystem_vendor == 0x1025 &&
2259 	    dev->pdev->subsystem_device == 0x009f)
2260 		return false;
2261 
2262 	/* HP dc5750 has non-existent TV port */
2263 	if (dev->pdev->device == 0x5974 &&
2264 	    dev->pdev->subsystem_vendor == 0x103c &&
2265 	    dev->pdev->subsystem_device == 0x280a)
2266 		return false;
2267 
2268 	/* MSI S270 has non-existent TV port */
2269 	if (dev->pdev->device == 0x5955 &&
2270 	    dev->pdev->subsystem_vendor == 0x1462 &&
2271 	    dev->pdev->subsystem_device == 0x0131)
2272 		return false;
2273 
2274 	return true;
2275 }
2276 
combios_check_dl_dvi(struct drm_device * dev,int is_dvi_d)2277 static uint16_t combios_check_dl_dvi(struct drm_device *dev, int is_dvi_d)
2278 {
2279 	struct radeon_device *rdev = dev->dev_private;
2280 	uint32_t ext_tmds_info;
2281 
2282 	if (rdev->flags & RADEON_IS_IGP) {
2283 		if (is_dvi_d)
2284 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2285 		else
2286 			return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2287 	}
2288 	ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2289 	if (ext_tmds_info) {
2290 		uint8_t rev = RBIOS8(ext_tmds_info);
2291 		uint8_t flags = RBIOS8(ext_tmds_info + 4 + 5);
2292 		if (rev >= 3) {
2293 			if (is_dvi_d)
2294 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2295 			else
2296 				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2297 		} else {
2298 			if (flags & 1) {
2299 				if (is_dvi_d)
2300 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2301 				else
2302 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2303 			}
2304 		}
2305 	}
2306 	if (is_dvi_d)
2307 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2308 	else
2309 		return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2310 }
2311 
radeon_get_legacy_connector_info_from_bios(struct drm_device * dev)2312 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
2313 {
2314 	struct radeon_device *rdev = dev->dev_private;
2315 	uint32_t conn_info, entry, devices;
2316 	uint16_t tmp, connector_object_id;
2317 	enum radeon_combios_ddc ddc_type;
2318 	enum radeon_combios_connector connector;
2319 	int i = 0;
2320 	struct radeon_i2c_bus_rec ddc_i2c;
2321 	struct radeon_hpd hpd;
2322 
2323 	conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
2324 	if (conn_info) {
2325 		for (i = 0; i < 4; i++) {
2326 			entry = conn_info + 2 + i * 2;
2327 
2328 			if (!RBIOS16(entry))
2329 				break;
2330 
2331 			tmp = RBIOS16(entry);
2332 
2333 			connector = (tmp >> 12) & 0xf;
2334 
2335 			ddc_type = (tmp >> 8) & 0xf;
2336 			if (ddc_type == 5)
2337 				ddc_i2c = radeon_combios_get_i2c_info_from_table(rdev);
2338 			else
2339 				ddc_i2c = combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2340 
2341 			switch (connector) {
2342 			case CONNECTOR_PROPRIETARY_LEGACY:
2343 			case CONNECTOR_DVI_I_LEGACY:
2344 			case CONNECTOR_DVI_D_LEGACY:
2345 				if ((tmp >> 4) & 0x1)
2346 					hpd.hpd = RADEON_HPD_2;
2347 				else
2348 					hpd.hpd = RADEON_HPD_1;
2349 				break;
2350 			default:
2351 				hpd.hpd = RADEON_HPD_NONE;
2352 				break;
2353 			}
2354 
2355 			if (!radeon_apply_legacy_quirks(dev, i, &connector,
2356 							&ddc_i2c, &hpd))
2357 				continue;
2358 
2359 			switch (connector) {
2360 			case CONNECTOR_PROPRIETARY_LEGACY:
2361 				if ((tmp >> 4) & 0x1)
2362 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2363 				else
2364 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2365 				radeon_add_legacy_encoder(dev,
2366 							  radeon_get_encoder_enum
2367 							  (dev, devices, 0),
2368 							  devices);
2369 				radeon_add_legacy_connector(dev, i, devices,
2370 							    legacy_connector_convert
2371 							    [connector],
2372 							    &ddc_i2c,
2373 							    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
2374 							    &hpd);
2375 				break;
2376 			case CONNECTOR_CRT_LEGACY:
2377 				if (tmp & 0x1) {
2378 					devices = ATOM_DEVICE_CRT2_SUPPORT;
2379 					radeon_add_legacy_encoder(dev,
2380 								  radeon_get_encoder_enum
2381 								  (dev,
2382 								   ATOM_DEVICE_CRT2_SUPPORT,
2383 								   2),
2384 								  ATOM_DEVICE_CRT2_SUPPORT);
2385 				} else {
2386 					devices = ATOM_DEVICE_CRT1_SUPPORT;
2387 					radeon_add_legacy_encoder(dev,
2388 								  radeon_get_encoder_enum
2389 								  (dev,
2390 								   ATOM_DEVICE_CRT1_SUPPORT,
2391 								   1),
2392 								  ATOM_DEVICE_CRT1_SUPPORT);
2393 				}
2394 				radeon_add_legacy_connector(dev,
2395 							    i,
2396 							    devices,
2397 							    legacy_connector_convert
2398 							    [connector],
2399 							    &ddc_i2c,
2400 							    CONNECTOR_OBJECT_ID_VGA,
2401 							    &hpd);
2402 				break;
2403 			case CONNECTOR_DVI_I_LEGACY:
2404 				devices = 0;
2405 				if (tmp & 0x1) {
2406 					devices |= ATOM_DEVICE_CRT2_SUPPORT;
2407 					radeon_add_legacy_encoder(dev,
2408 								  radeon_get_encoder_enum
2409 								  (dev,
2410 								   ATOM_DEVICE_CRT2_SUPPORT,
2411 								   2),
2412 								  ATOM_DEVICE_CRT2_SUPPORT);
2413 				} else {
2414 					devices |= ATOM_DEVICE_CRT1_SUPPORT;
2415 					radeon_add_legacy_encoder(dev,
2416 								  radeon_get_encoder_enum
2417 								  (dev,
2418 								   ATOM_DEVICE_CRT1_SUPPORT,
2419 								   1),
2420 								  ATOM_DEVICE_CRT1_SUPPORT);
2421 				}
2422 				/* RV100 board with external TDMS bit mis-set.
2423 				 * Actually uses internal TMDS, clear the bit.
2424 				 */
2425 				if (dev->pdev->device == 0x5159 &&
2426 				    dev->pdev->subsystem_vendor == 0x1014 &&
2427 				    dev->pdev->subsystem_device == 0x029A) {
2428 					tmp &= ~(1 << 4);
2429 				}
2430 				if ((tmp >> 4) & 0x1) {
2431 					devices |= ATOM_DEVICE_DFP2_SUPPORT;
2432 					radeon_add_legacy_encoder(dev,
2433 								  radeon_get_encoder_enum
2434 								  (dev,
2435 								   ATOM_DEVICE_DFP2_SUPPORT,
2436 								   0),
2437 								  ATOM_DEVICE_DFP2_SUPPORT);
2438 					connector_object_id = combios_check_dl_dvi(dev, 0);
2439 				} else {
2440 					devices |= ATOM_DEVICE_DFP1_SUPPORT;
2441 					radeon_add_legacy_encoder(dev,
2442 								  radeon_get_encoder_enum
2443 								  (dev,
2444 								   ATOM_DEVICE_DFP1_SUPPORT,
2445 								   0),
2446 								  ATOM_DEVICE_DFP1_SUPPORT);
2447 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2448 				}
2449 				radeon_add_legacy_connector(dev,
2450 							    i,
2451 							    devices,
2452 							    legacy_connector_convert
2453 							    [connector],
2454 							    &ddc_i2c,
2455 							    connector_object_id,
2456 							    &hpd);
2457 				break;
2458 			case CONNECTOR_DVI_D_LEGACY:
2459 				if ((tmp >> 4) & 0x1) {
2460 					devices = ATOM_DEVICE_DFP2_SUPPORT;
2461 					connector_object_id = combios_check_dl_dvi(dev, 1);
2462 				} else {
2463 					devices = ATOM_DEVICE_DFP1_SUPPORT;
2464 					connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2465 				}
2466 				radeon_add_legacy_encoder(dev,
2467 							  radeon_get_encoder_enum
2468 							  (dev, devices, 0),
2469 							  devices);
2470 				radeon_add_legacy_connector(dev, i, devices,
2471 							    legacy_connector_convert
2472 							    [connector],
2473 							    &ddc_i2c,
2474 							    connector_object_id,
2475 							    &hpd);
2476 				break;
2477 			case CONNECTOR_CTV_LEGACY:
2478 			case CONNECTOR_STV_LEGACY:
2479 				radeon_add_legacy_encoder(dev,
2480 							  radeon_get_encoder_enum
2481 							  (dev,
2482 							   ATOM_DEVICE_TV1_SUPPORT,
2483 							   2),
2484 							  ATOM_DEVICE_TV1_SUPPORT);
2485 				radeon_add_legacy_connector(dev, i,
2486 							    ATOM_DEVICE_TV1_SUPPORT,
2487 							    legacy_connector_convert
2488 							    [connector],
2489 							    &ddc_i2c,
2490 							    CONNECTOR_OBJECT_ID_SVIDEO,
2491 							    &hpd);
2492 				break;
2493 			default:
2494 				DRM_ERROR("Unknown connector type: %d\n",
2495 					  connector);
2496 				continue;
2497 			}
2498 
2499 		}
2500 	} else {
2501 		uint16_t tmds_info =
2502 		    combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
2503 		if (tmds_info) {
2504 			DRM_DEBUG_KMS("Found DFP table, assuming DVI connector\n");
2505 
2506 			radeon_add_legacy_encoder(dev,
2507 						  radeon_get_encoder_enum(dev,
2508 									ATOM_DEVICE_CRT1_SUPPORT,
2509 									1),
2510 						  ATOM_DEVICE_CRT1_SUPPORT);
2511 			radeon_add_legacy_encoder(dev,
2512 						  radeon_get_encoder_enum(dev,
2513 									ATOM_DEVICE_DFP1_SUPPORT,
2514 									0),
2515 						  ATOM_DEVICE_DFP1_SUPPORT);
2516 
2517 			ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2518 			hpd.hpd = RADEON_HPD_1;
2519 			radeon_add_legacy_connector(dev,
2520 						    0,
2521 						    ATOM_DEVICE_CRT1_SUPPORT |
2522 						    ATOM_DEVICE_DFP1_SUPPORT,
2523 						    DRM_MODE_CONNECTOR_DVII,
2524 						    &ddc_i2c,
2525 						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2526 						    &hpd);
2527 		} else {
2528 			uint16_t crt_info =
2529 				combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
2530 			DRM_DEBUG_KMS("Found CRT table, assuming VGA connector\n");
2531 			if (crt_info) {
2532 				radeon_add_legacy_encoder(dev,
2533 							  radeon_get_encoder_enum(dev,
2534 										ATOM_DEVICE_CRT1_SUPPORT,
2535 										1),
2536 							  ATOM_DEVICE_CRT1_SUPPORT);
2537 				ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2538 				hpd.hpd = RADEON_HPD_NONE;
2539 				radeon_add_legacy_connector(dev,
2540 							    0,
2541 							    ATOM_DEVICE_CRT1_SUPPORT,
2542 							    DRM_MODE_CONNECTOR_VGA,
2543 							    &ddc_i2c,
2544 							    CONNECTOR_OBJECT_ID_VGA,
2545 							    &hpd);
2546 			} else {
2547 				DRM_DEBUG_KMS("No connector info found\n");
2548 				return false;
2549 			}
2550 		}
2551 	}
2552 
2553 	if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
2554 		uint16_t lcd_info =
2555 		    combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
2556 		if (lcd_info) {
2557 			uint16_t lcd_ddc_info =
2558 			    combios_get_table_offset(dev,
2559 						     COMBIOS_LCD_DDC_INFO_TABLE);
2560 
2561 			radeon_add_legacy_encoder(dev,
2562 						  radeon_get_encoder_enum(dev,
2563 									ATOM_DEVICE_LCD1_SUPPORT,
2564 									0),
2565 						  ATOM_DEVICE_LCD1_SUPPORT);
2566 
2567 			if (lcd_ddc_info) {
2568 				ddc_type = RBIOS8(lcd_ddc_info + 2);
2569 				switch (ddc_type) {
2570 				case DDC_LCD:
2571 					ddc_i2c =
2572 						combios_setup_i2c_bus(rdev,
2573 								      DDC_LCD,
2574 								      RBIOS32(lcd_ddc_info + 3),
2575 								      RBIOS32(lcd_ddc_info + 7));
2576 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2577 					break;
2578 				case DDC_GPIO:
2579 					ddc_i2c =
2580 						combios_setup_i2c_bus(rdev,
2581 								      DDC_GPIO,
2582 								      RBIOS32(lcd_ddc_info + 3),
2583 								      RBIOS32(lcd_ddc_info + 7));
2584 					radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2585 					break;
2586 				default:
2587 					ddc_i2c =
2588 						combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2589 					break;
2590 				}
2591 				DRM_DEBUG_KMS("LCD DDC Info Table found!\n");
2592 			} else
2593 				ddc_i2c.valid = false;
2594 
2595 			hpd.hpd = RADEON_HPD_NONE;
2596 			radeon_add_legacy_connector(dev,
2597 						    5,
2598 						    ATOM_DEVICE_LCD1_SUPPORT,
2599 						    DRM_MODE_CONNECTOR_LVDS,
2600 						    &ddc_i2c,
2601 						    CONNECTOR_OBJECT_ID_LVDS,
2602 						    &hpd);
2603 		}
2604 	}
2605 
2606 	/* check TV table */
2607 	if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
2608 		uint32_t tv_info =
2609 		    combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
2610 		if (tv_info) {
2611 			if (RBIOS8(tv_info + 6) == 'T') {
2612 				if (radeon_apply_legacy_tv_quirks(dev)) {
2613 					hpd.hpd = RADEON_HPD_NONE;
2614 					ddc_i2c.valid = false;
2615 					radeon_add_legacy_encoder(dev,
2616 								  radeon_get_encoder_enum
2617 								  (dev,
2618 								   ATOM_DEVICE_TV1_SUPPORT,
2619 								   2),
2620 								  ATOM_DEVICE_TV1_SUPPORT);
2621 					radeon_add_legacy_connector(dev, 6,
2622 								    ATOM_DEVICE_TV1_SUPPORT,
2623 								    DRM_MODE_CONNECTOR_SVIDEO,
2624 								    &ddc_i2c,
2625 								    CONNECTOR_OBJECT_ID_SVIDEO,
2626 								    &hpd);
2627 				}
2628 			}
2629 		}
2630 	}
2631 
2632 	radeon_link_encoder_connector(dev);
2633 
2634 	return true;
2635 }
2636 
2637 static const char *thermal_controller_names[] = {
2638 	"NONE",
2639 	"lm63",
2640 	"adm1032",
2641 };
2642 
radeon_combios_get_power_modes(struct radeon_device * rdev)2643 void radeon_combios_get_power_modes(struct radeon_device *rdev)
2644 {
2645 	struct drm_device *dev = rdev->ddev;
2646 	u16 offset, misc, misc2 = 0;
2647 	u8 rev, tmp;
2648 	int state_index = 0;
2649 	struct radeon_i2c_bus_rec i2c_bus;
2650 
2651 	rdev->pm.default_power_state_index = -1;
2652 
2653 	/* allocate 2 power states */
2654 	rdev->pm.power_state = kcalloc(2, sizeof(struct radeon_power_state),
2655 				       GFP_KERNEL);
2656 	if (rdev->pm.power_state) {
2657 		/* allocate 1 clock mode per state */
2658 		rdev->pm.power_state[0].clock_info =
2659 			kcalloc(1, sizeof(struct radeon_pm_clock_info),
2660 				GFP_KERNEL);
2661 		rdev->pm.power_state[1].clock_info =
2662 			kcalloc(1, sizeof(struct radeon_pm_clock_info),
2663 				GFP_KERNEL);
2664 		if (!rdev->pm.power_state[0].clock_info ||
2665 		    !rdev->pm.power_state[1].clock_info)
2666 			goto pm_failed;
2667 	} else
2668 		goto pm_failed;
2669 
2670 	/* check for a thermal chip */
2671 	offset = combios_get_table_offset(dev, COMBIOS_OVERDRIVE_INFO_TABLE);
2672 	if (offset) {
2673 		u8 thermal_controller = 0, gpio = 0, i2c_addr = 0, clk_bit = 0, data_bit = 0;
2674 
2675 		rev = RBIOS8(offset);
2676 
2677 		if (rev == 0) {
2678 			thermal_controller = RBIOS8(offset + 3);
2679 			gpio = RBIOS8(offset + 4) & 0x3f;
2680 			i2c_addr = RBIOS8(offset + 5);
2681 		} else if (rev == 1) {
2682 			thermal_controller = RBIOS8(offset + 4);
2683 			gpio = RBIOS8(offset + 5) & 0x3f;
2684 			i2c_addr = RBIOS8(offset + 6);
2685 		} else if (rev == 2) {
2686 			thermal_controller = RBIOS8(offset + 4);
2687 			gpio = RBIOS8(offset + 5) & 0x3f;
2688 			i2c_addr = RBIOS8(offset + 6);
2689 			clk_bit = RBIOS8(offset + 0xa);
2690 			data_bit = RBIOS8(offset + 0xb);
2691 		}
2692 		if ((thermal_controller > 0) && (thermal_controller < 3)) {
2693 			DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2694 				 thermal_controller_names[thermal_controller],
2695 				 i2c_addr >> 1);
2696 			if (gpio == DDC_LCD) {
2697 				/* MM i2c */
2698 				i2c_bus.valid = true;
2699 				i2c_bus.hw_capable = true;
2700 				i2c_bus.mm_i2c = true;
2701 				i2c_bus.i2c_id = 0xa0;
2702 			} else if (gpio == DDC_GPIO)
2703 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 1 << clk_bit, 1 << data_bit);
2704 			else
2705 				i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
2706 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2707 			if (rdev->pm.i2c_bus) {
2708 				struct i2c_board_info info = { };
2709 				const char *name = thermal_controller_names[thermal_controller];
2710 				info.addr = i2c_addr >> 1;
2711 				strlcpy(info.type, name, sizeof(info.type));
2712 				i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
2713 			}
2714 		}
2715 	} else {
2716 		/* boards with a thermal chip, but no overdrive table */
2717 
2718 		/* Asus 9600xt has an f75375 on the monid bus */
2719 		if ((dev->pdev->device == 0x4152) &&
2720 		    (dev->pdev->subsystem_vendor == 0x1043) &&
2721 		    (dev->pdev->subsystem_device == 0xc002)) {
2722 			i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
2723 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2724 			if (rdev->pm.i2c_bus) {
2725 				struct i2c_board_info info = { };
2726 				const char *name = "f75375";
2727 				info.addr = 0x28;
2728 				strlcpy(info.type, name, sizeof(info.type));
2729 				i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
2730 				DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2731 					 name, info.addr);
2732 			}
2733 		}
2734 	}
2735 
2736 	if (rdev->flags & RADEON_IS_MOBILITY) {
2737 		offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
2738 		if (offset) {
2739 			rev = RBIOS8(offset);
2740 			/* power mode 0 tends to be the only valid one */
2741 			rdev->pm.power_state[state_index].num_clock_modes = 1;
2742 			rdev->pm.power_state[state_index].clock_info[0].mclk = RBIOS32(offset + 0x5 + 0x2);
2743 			rdev->pm.power_state[state_index].clock_info[0].sclk = RBIOS32(offset + 0x5 + 0x6);
2744 			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2745 			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2746 				goto default_mode;
2747 			rdev->pm.power_state[state_index].type =
2748 				POWER_STATE_TYPE_BATTERY;
2749 			misc = RBIOS16(offset + 0x5 + 0x0);
2750 			if (rev > 4)
2751 				misc2 = RBIOS16(offset + 0x5 + 0xe);
2752 			rdev->pm.power_state[state_index].misc = misc;
2753 			rdev->pm.power_state[state_index].misc2 = misc2;
2754 			if (misc & 0x4) {
2755 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
2756 				if (misc & 0x8)
2757 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2758 						true;
2759 				else
2760 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2761 						false;
2762 				rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = true;
2763 				if (rev < 6) {
2764 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2765 						RBIOS16(offset + 0x5 + 0xb) * 4;
2766 					tmp = RBIOS8(offset + 0x5 + 0xd);
2767 					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2768 				} else {
2769 					u8 entries = RBIOS8(offset + 0x5 + 0xb);
2770 					u16 voltage_table_offset = RBIOS16(offset + 0x5 + 0xc);
2771 					if (entries && voltage_table_offset) {
2772 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2773 							RBIOS16(voltage_table_offset) * 4;
2774 						tmp = RBIOS8(voltage_table_offset + 0x2);
2775 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2776 					} else
2777 						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = false;
2778 				}
2779 				switch ((misc2 & 0x700) >> 8) {
2780 				case 0:
2781 				default:
2782 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 0;
2783 					break;
2784 				case 1:
2785 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 33;
2786 					break;
2787 				case 2:
2788 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 66;
2789 					break;
2790 				case 3:
2791 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 99;
2792 					break;
2793 				case 4:
2794 					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 132;
2795 					break;
2796 				}
2797 			} else
2798 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2799 			if (rev > 6)
2800 				rdev->pm.power_state[state_index].pcie_lanes =
2801 					RBIOS8(offset + 0x5 + 0x10);
2802 			rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2803 			state_index++;
2804 		} else {
2805 			/* XXX figure out some good default low power mode for mobility cards w/out power tables */
2806 		}
2807 	} else {
2808 		/* XXX figure out some good default low power mode for desktop cards */
2809 	}
2810 
2811 default_mode:
2812 	/* add the default mode */
2813 	rdev->pm.power_state[state_index].type =
2814 		POWER_STATE_TYPE_DEFAULT;
2815 	rdev->pm.power_state[state_index].num_clock_modes = 1;
2816 	rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
2817 	rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
2818 	rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
2819 	if ((state_index > 0) &&
2820 	    (rdev->pm.power_state[0].clock_info[0].voltage.type == VOLTAGE_GPIO))
2821 		rdev->pm.power_state[state_index].clock_info[0].voltage =
2822 			rdev->pm.power_state[0].clock_info[0].voltage;
2823 	else
2824 		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2825 	rdev->pm.power_state[state_index].pcie_lanes = 16;
2826 	rdev->pm.power_state[state_index].flags = 0;
2827 	rdev->pm.default_power_state_index = state_index;
2828 	rdev->pm.num_power_states = state_index + 1;
2829 
2830 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2831 	rdev->pm.current_clock_mode_index = 0;
2832 	return;
2833 
2834 pm_failed:
2835 	rdev->pm.default_power_state_index = state_index;
2836 	rdev->pm.num_power_states = 0;
2837 
2838 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2839 	rdev->pm.current_clock_mode_index = 0;
2840 }
2841 
radeon_external_tmds_setup(struct drm_encoder * encoder)2842 void radeon_external_tmds_setup(struct drm_encoder *encoder)
2843 {
2844 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2845 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2846 
2847 	if (!tmds)
2848 		return;
2849 
2850 	switch (tmds->dvo_chip) {
2851 	case DVO_SIL164:
2852 		/* sil 164 */
2853 		radeon_i2c_put_byte(tmds->i2c_bus,
2854 				    tmds->slave_addr,
2855 				    0x08, 0x30);
2856 		radeon_i2c_put_byte(tmds->i2c_bus,
2857 				       tmds->slave_addr,
2858 				       0x09, 0x00);
2859 		radeon_i2c_put_byte(tmds->i2c_bus,
2860 				    tmds->slave_addr,
2861 				    0x0a, 0x90);
2862 		radeon_i2c_put_byte(tmds->i2c_bus,
2863 				    tmds->slave_addr,
2864 				    0x0c, 0x89);
2865 		radeon_i2c_put_byte(tmds->i2c_bus,
2866 				       tmds->slave_addr,
2867 				       0x08, 0x3b);
2868 		break;
2869 	case DVO_SIL1178:
2870 		/* sil 1178 - untested */
2871 		/*
2872 		 * 0x0f, 0x44
2873 		 * 0x0f, 0x4c
2874 		 * 0x0e, 0x01
2875 		 * 0x0a, 0x80
2876 		 * 0x09, 0x30
2877 		 * 0x0c, 0xc9
2878 		 * 0x0d, 0x70
2879 		 * 0x08, 0x32
2880 		 * 0x08, 0x33
2881 		 */
2882 		break;
2883 	default:
2884 		break;
2885 	}
2886 
2887 }
2888 
radeon_combios_external_tmds_setup(struct drm_encoder * encoder)2889 bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
2890 {
2891 	struct drm_device *dev = encoder->dev;
2892 	struct radeon_device *rdev = dev->dev_private;
2893 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2894 	uint16_t offset;
2895 	uint8_t blocks, slave_addr, rev;
2896 	uint32_t index, id;
2897 	uint32_t reg, val, and_mask, or_mask;
2898 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2899 
2900 	if (!tmds)
2901 		return false;
2902 
2903 	if (rdev->flags & RADEON_IS_IGP) {
2904 		offset = combios_get_table_offset(dev, COMBIOS_TMDS_POWER_ON_TABLE);
2905 		rev = RBIOS8(offset);
2906 		if (offset) {
2907 			rev = RBIOS8(offset);
2908 			if (rev > 1) {
2909 				blocks = RBIOS8(offset + 3);
2910 				index = offset + 4;
2911 				while (blocks > 0) {
2912 					id = RBIOS16(index);
2913 					index += 2;
2914 					switch (id >> 13) {
2915 					case 0:
2916 						reg = (id & 0x1fff) * 4;
2917 						val = RBIOS32(index);
2918 						index += 4;
2919 						WREG32(reg, val);
2920 						break;
2921 					case 2:
2922 						reg = (id & 0x1fff) * 4;
2923 						and_mask = RBIOS32(index);
2924 						index += 4;
2925 						or_mask = RBIOS32(index);
2926 						index += 4;
2927 						val = RREG32(reg);
2928 						val = (val & and_mask) | or_mask;
2929 						WREG32(reg, val);
2930 						break;
2931 					case 3:
2932 						val = RBIOS16(index);
2933 						index += 2;
2934 						udelay(val);
2935 						break;
2936 					case 4:
2937 						val = RBIOS16(index);
2938 						index += 2;
2939 						mdelay(val);
2940 						break;
2941 					case 6:
2942 						slave_addr = id & 0xff;
2943 						slave_addr >>= 1; /* 7 bit addressing */
2944 						index++;
2945 						reg = RBIOS8(index);
2946 						index++;
2947 						val = RBIOS8(index);
2948 						index++;
2949 						radeon_i2c_put_byte(tmds->i2c_bus,
2950 								    slave_addr,
2951 								    reg, val);
2952 						break;
2953 					default:
2954 						DRM_ERROR("Unknown id %d\n", id >> 13);
2955 						break;
2956 					}
2957 					blocks--;
2958 				}
2959 				return true;
2960 			}
2961 		}
2962 	} else {
2963 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2964 		if (offset) {
2965 			index = offset + 10;
2966 			id = RBIOS16(index);
2967 			while (id != 0xffff) {
2968 				index += 2;
2969 				switch (id >> 13) {
2970 				case 0:
2971 					reg = (id & 0x1fff) * 4;
2972 					val = RBIOS32(index);
2973 					WREG32(reg, val);
2974 					break;
2975 				case 2:
2976 					reg = (id & 0x1fff) * 4;
2977 					and_mask = RBIOS32(index);
2978 					index += 4;
2979 					or_mask = RBIOS32(index);
2980 					index += 4;
2981 					val = RREG32(reg);
2982 					val = (val & and_mask) | or_mask;
2983 					WREG32(reg, val);
2984 					break;
2985 				case 4:
2986 					val = RBIOS16(index);
2987 					index += 2;
2988 					udelay(val);
2989 					break;
2990 				case 5:
2991 					reg = id & 0x1fff;
2992 					and_mask = RBIOS32(index);
2993 					index += 4;
2994 					or_mask = RBIOS32(index);
2995 					index += 4;
2996 					val = RREG32_PLL(reg);
2997 					val = (val & and_mask) | or_mask;
2998 					WREG32_PLL(reg, val);
2999 					break;
3000 				case 6:
3001 					reg = id & 0x1fff;
3002 					val = RBIOS8(index);
3003 					index += 1;
3004 					radeon_i2c_put_byte(tmds->i2c_bus,
3005 							    tmds->slave_addr,
3006 							    reg, val);
3007 					break;
3008 				default:
3009 					DRM_ERROR("Unknown id %d\n", id >> 13);
3010 					break;
3011 				}
3012 				id = RBIOS16(index);
3013 			}
3014 			return true;
3015 		}
3016 	}
3017 	return false;
3018 }
3019 
combios_parse_mmio_table(struct drm_device * dev,uint16_t offset)3020 static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
3021 {
3022 	struct radeon_device *rdev = dev->dev_private;
3023 
3024 	if (offset) {
3025 		while (RBIOS16(offset)) {
3026 			uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
3027 			uint32_t addr = (RBIOS16(offset) & 0x1fff);
3028 			uint32_t val, and_mask, or_mask;
3029 			uint32_t tmp;
3030 
3031 			offset += 2;
3032 			switch (cmd) {
3033 			case 0:
3034 				val = RBIOS32(offset);
3035 				offset += 4;
3036 				WREG32(addr, val);
3037 				break;
3038 			case 1:
3039 				val = RBIOS32(offset);
3040 				offset += 4;
3041 				WREG32(addr, val);
3042 				break;
3043 			case 2:
3044 				and_mask = RBIOS32(offset);
3045 				offset += 4;
3046 				or_mask = RBIOS32(offset);
3047 				offset += 4;
3048 				tmp = RREG32(addr);
3049 				tmp &= and_mask;
3050 				tmp |= or_mask;
3051 				WREG32(addr, tmp);
3052 				break;
3053 			case 3:
3054 				and_mask = RBIOS32(offset);
3055 				offset += 4;
3056 				or_mask = RBIOS32(offset);
3057 				offset += 4;
3058 				tmp = RREG32(addr);
3059 				tmp &= and_mask;
3060 				tmp |= or_mask;
3061 				WREG32(addr, tmp);
3062 				break;
3063 			case 4:
3064 				val = RBIOS16(offset);
3065 				offset += 2;
3066 				udelay(val);
3067 				break;
3068 			case 5:
3069 				val = RBIOS16(offset);
3070 				offset += 2;
3071 				switch (addr) {
3072 				case 8:
3073 					while (val--) {
3074 						if (!
3075 						    (RREG32_PLL
3076 						     (RADEON_CLK_PWRMGT_CNTL) &
3077 						     RADEON_MC_BUSY))
3078 							break;
3079 					}
3080 					break;
3081 				case 9:
3082 					while (val--) {
3083 						if ((RREG32(RADEON_MC_STATUS) &
3084 						     RADEON_MC_IDLE))
3085 							break;
3086 					}
3087 					break;
3088 				default:
3089 					break;
3090 				}
3091 				break;
3092 			default:
3093 				break;
3094 			}
3095 		}
3096 	}
3097 }
3098 
combios_parse_pll_table(struct drm_device * dev,uint16_t offset)3099 static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
3100 {
3101 	struct radeon_device *rdev = dev->dev_private;
3102 
3103 	if (offset) {
3104 		while (RBIOS8(offset)) {
3105 			uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
3106 			uint8_t addr = (RBIOS8(offset) & 0x3f);
3107 			uint32_t val, shift, tmp;
3108 			uint32_t and_mask, or_mask;
3109 
3110 			offset++;
3111 			switch (cmd) {
3112 			case 0:
3113 				val = RBIOS32(offset);
3114 				offset += 4;
3115 				WREG32_PLL(addr, val);
3116 				break;
3117 			case 1:
3118 				shift = RBIOS8(offset) * 8;
3119 				offset++;
3120 				and_mask = RBIOS8(offset) << shift;
3121 				and_mask |= ~(0xff << shift);
3122 				offset++;
3123 				or_mask = RBIOS8(offset) << shift;
3124 				offset++;
3125 				tmp = RREG32_PLL(addr);
3126 				tmp &= and_mask;
3127 				tmp |= or_mask;
3128 				WREG32_PLL(addr, tmp);
3129 				break;
3130 			case 2:
3131 			case 3:
3132 				tmp = 1000;
3133 				switch (addr) {
3134 				case 1:
3135 					udelay(150);
3136 					break;
3137 				case 2:
3138 					mdelay(1);
3139 					break;
3140 				case 3:
3141 					while (tmp--) {
3142 						if (!
3143 						    (RREG32_PLL
3144 						     (RADEON_CLK_PWRMGT_CNTL) &
3145 						     RADEON_MC_BUSY))
3146 							break;
3147 					}
3148 					break;
3149 				case 4:
3150 					while (tmp--) {
3151 						if (RREG32_PLL
3152 						    (RADEON_CLK_PWRMGT_CNTL) &
3153 						    RADEON_DLL_READY)
3154 							break;
3155 					}
3156 					break;
3157 				case 5:
3158 					tmp =
3159 					    RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
3160 					if (tmp & RADEON_CG_NO1_DEBUG_0) {
3161 #if 0
3162 						uint32_t mclk_cntl =
3163 						    RREG32_PLL
3164 						    (RADEON_MCLK_CNTL);
3165 						mclk_cntl &= 0xffff0000;
3166 						/*mclk_cntl |= 0x00001111;*//* ??? */
3167 						WREG32_PLL(RADEON_MCLK_CNTL,
3168 							   mclk_cntl);
3169 						mdelay(10);
3170 #endif
3171 						WREG32_PLL
3172 						    (RADEON_CLK_PWRMGT_CNTL,
3173 						     tmp &
3174 						     ~RADEON_CG_NO1_DEBUG_0);
3175 						mdelay(10);
3176 					}
3177 					break;
3178 				default:
3179 					break;
3180 				}
3181 				break;
3182 			default:
3183 				break;
3184 			}
3185 		}
3186 	}
3187 }
3188 
combios_parse_ram_reset_table(struct drm_device * dev,uint16_t offset)3189 static void combios_parse_ram_reset_table(struct drm_device *dev,
3190 					  uint16_t offset)
3191 {
3192 	struct radeon_device *rdev = dev->dev_private;
3193 	uint32_t tmp;
3194 
3195 	if (offset) {
3196 		uint8_t val = RBIOS8(offset);
3197 		while (val != 0xff) {
3198 			offset++;
3199 
3200 			if (val == 0x0f) {
3201 				uint32_t channel_complete_mask;
3202 
3203 				if (ASIC_IS_R300(rdev))
3204 					channel_complete_mask =
3205 					    R300_MEM_PWRUP_COMPLETE;
3206 				else
3207 					channel_complete_mask =
3208 					    RADEON_MEM_PWRUP_COMPLETE;
3209 				tmp = 20000;
3210 				while (tmp--) {
3211 					if ((RREG32(RADEON_MEM_STR_CNTL) &
3212 					     channel_complete_mask) ==
3213 					    channel_complete_mask)
3214 						break;
3215 				}
3216 			} else {
3217 				uint32_t or_mask = RBIOS16(offset);
3218 				offset += 2;
3219 
3220 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3221 				tmp &= RADEON_SDRAM_MODE_MASK;
3222 				tmp |= or_mask;
3223 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3224 
3225 				or_mask = val << 24;
3226 				tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
3227 				tmp &= RADEON_B3MEM_RESET_MASK;
3228 				tmp |= or_mask;
3229 				WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
3230 			}
3231 			val = RBIOS8(offset);
3232 		}
3233 	}
3234 }
3235 
combios_detect_ram(struct drm_device * dev,int ram,int mem_addr_mapping)3236 static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
3237 				   int mem_addr_mapping)
3238 {
3239 	struct radeon_device *rdev = dev->dev_private;
3240 	uint32_t mem_cntl;
3241 	uint32_t mem_size;
3242 	uint32_t addr = 0;
3243 
3244 	mem_cntl = RREG32(RADEON_MEM_CNTL);
3245 	if (mem_cntl & RV100_HALF_MODE)
3246 		ram /= 2;
3247 	mem_size = ram;
3248 	mem_cntl &= ~(0xff << 8);
3249 	mem_cntl |= (mem_addr_mapping & 0xff) << 8;
3250 	WREG32(RADEON_MEM_CNTL, mem_cntl);
3251 	RREG32(RADEON_MEM_CNTL);
3252 
3253 	/* sdram reset ? */
3254 
3255 	/* something like this????  */
3256 	while (ram--) {
3257 		addr = ram * 1024 * 1024;
3258 		/* write to each page */
3259 		WREG32_IDX((addr) | RADEON_MM_APER, 0xdeadbeef);
3260 		/* read back and verify */
3261 		if (RREG32_IDX((addr) | RADEON_MM_APER) != 0xdeadbeef)
3262 			return 0;
3263 	}
3264 
3265 	return mem_size;
3266 }
3267 
combios_write_ram_size(struct drm_device * dev)3268 static void combios_write_ram_size(struct drm_device *dev)
3269 {
3270 	struct radeon_device *rdev = dev->dev_private;
3271 	uint8_t rev;
3272 	uint16_t offset;
3273 	uint32_t mem_size = 0;
3274 	uint32_t mem_cntl = 0;
3275 
3276 	/* should do something smarter here I guess... */
3277 	if (rdev->flags & RADEON_IS_IGP)
3278 		return;
3279 
3280 	/* first check detected mem table */
3281 	offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
3282 	if (offset) {
3283 		rev = RBIOS8(offset);
3284 		if (rev < 3) {
3285 			mem_cntl = RBIOS32(offset + 1);
3286 			mem_size = RBIOS16(offset + 5);
3287 			if ((rdev->family < CHIP_R200) &&
3288 			    !ASIC_IS_RN50(rdev))
3289 				WREG32(RADEON_MEM_CNTL, mem_cntl);
3290 		}
3291 	}
3292 
3293 	if (!mem_size) {
3294 		offset =
3295 		    combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
3296 		if (offset) {
3297 			rev = RBIOS8(offset - 1);
3298 			if (rev < 1) {
3299 				if ((rdev->family < CHIP_R200)
3300 				    && !ASIC_IS_RN50(rdev)) {
3301 					int ram = 0;
3302 					int mem_addr_mapping = 0;
3303 
3304 					while (RBIOS8(offset)) {
3305 						ram = RBIOS8(offset);
3306 						mem_addr_mapping =
3307 						    RBIOS8(offset + 1);
3308 						if (mem_addr_mapping != 0x25)
3309 							ram *= 2;
3310 						mem_size =
3311 						    combios_detect_ram(dev, ram,
3312 								       mem_addr_mapping);
3313 						if (mem_size)
3314 							break;
3315 						offset += 2;
3316 					}
3317 				} else
3318 					mem_size = RBIOS8(offset);
3319 			} else {
3320 				mem_size = RBIOS8(offset);
3321 				mem_size *= 2;	/* convert to MB */
3322 			}
3323 		}
3324 	}
3325 
3326 	mem_size *= (1024 * 1024);	/* convert to bytes */
3327 	WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
3328 }
3329 
radeon_combios_asic_init(struct drm_device * dev)3330 void radeon_combios_asic_init(struct drm_device *dev)
3331 {
3332 	struct radeon_device *rdev = dev->dev_private;
3333 	uint16_t table;
3334 
3335 	/* port hardcoded mac stuff from radeonfb */
3336 	if (rdev->bios == NULL)
3337 		return;
3338 
3339 	/* ASIC INIT 1 */
3340 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE);
3341 	if (table)
3342 		combios_parse_mmio_table(dev, table);
3343 
3344 	/* PLL INIT */
3345 	table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE);
3346 	if (table)
3347 		combios_parse_pll_table(dev, table);
3348 
3349 	/* ASIC INIT 2 */
3350 	table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE);
3351 	if (table)
3352 		combios_parse_mmio_table(dev, table);
3353 
3354 	if (!(rdev->flags & RADEON_IS_IGP)) {
3355 		/* ASIC INIT 4 */
3356 		table =
3357 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE);
3358 		if (table)
3359 			combios_parse_mmio_table(dev, table);
3360 
3361 		/* RAM RESET */
3362 		table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE);
3363 		if (table)
3364 			combios_parse_ram_reset_table(dev, table);
3365 
3366 		/* ASIC INIT 3 */
3367 		table =
3368 		    combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE);
3369 		if (table)
3370 			combios_parse_mmio_table(dev, table);
3371 
3372 		/* write CONFIG_MEMSIZE */
3373 		combios_write_ram_size(dev);
3374 	}
3375 
3376 	/* quirk for rs4xx HP nx6125 laptop to make it resume
3377 	 * - it hangs on resume inside the dynclk 1 table.
3378 	 */
3379 	if (rdev->family == CHIP_RS480 &&
3380 	    rdev->pdev->subsystem_vendor == 0x103c &&
3381 	    rdev->pdev->subsystem_device == 0x308b)
3382 		return;
3383 
3384 	/* quirk for rs4xx HP dv5000 laptop to make it resume
3385 	 * - it hangs on resume inside the dynclk 1 table.
3386 	 */
3387 	if (rdev->family == CHIP_RS480 &&
3388 	    rdev->pdev->subsystem_vendor == 0x103c &&
3389 	    rdev->pdev->subsystem_device == 0x30a4)
3390 		return;
3391 
3392 	/* quirk for rs4xx Compaq Presario V5245EU laptop to make it resume
3393 	 * - it hangs on resume inside the dynclk 1 table.
3394 	 */
3395 	if (rdev->family == CHIP_RS480 &&
3396 	    rdev->pdev->subsystem_vendor == 0x103c &&
3397 	    rdev->pdev->subsystem_device == 0x30ae)
3398 		return;
3399 
3400 	/* quirk for rs4xx HP Compaq dc5750 Small Form Factor to make it resume
3401 	 * - it hangs on resume inside the dynclk 1 table.
3402 	 */
3403 	if (rdev->family == CHIP_RS480 &&
3404 	    rdev->pdev->subsystem_vendor == 0x103c &&
3405 	    rdev->pdev->subsystem_device == 0x280a)
3406 		return;
3407 	/* quirk for rs4xx Toshiba Sattellite L20-183 latop to make it resume
3408 	 * - it hangs on resume inside the dynclk 1 table.
3409 	 */
3410 	if (rdev->family == CHIP_RS400 &&
3411 	    rdev->pdev->subsystem_vendor == 0x1179 &&
3412 	    rdev->pdev->subsystem_device == 0xff31)
3413 	        return;
3414 
3415 	/* DYN CLK 1 */
3416 	table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3417 	if (table)
3418 		combios_parse_pll_table(dev, table);
3419 
3420 }
3421 
radeon_combios_initialize_bios_scratch_regs(struct drm_device * dev)3422 void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
3423 {
3424 	struct radeon_device *rdev = dev->dev_private;
3425 	uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
3426 
3427 	bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
3428 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3429 	bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
3430 
3431 	/* let the bios control the backlight */
3432 	bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
3433 
3434 	/* tell the bios not to handle mode switching */
3435 	bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
3436 			   RADEON_ACC_MODE_CHANGE);
3437 
3438 	/* tell the bios a driver is loaded */
3439 	bios_7_scratch |= RADEON_DRV_LOADED;
3440 
3441 	WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
3442 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3443 	WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
3444 }
3445 
radeon_combios_output_lock(struct drm_encoder * encoder,bool lock)3446 void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
3447 {
3448 	struct drm_device *dev = encoder->dev;
3449 	struct radeon_device *rdev = dev->dev_private;
3450 	uint32_t bios_6_scratch;
3451 
3452 	bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3453 
3454 	if (lock)
3455 		bios_6_scratch |= RADEON_DRIVER_CRITICAL;
3456 	else
3457 		bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
3458 
3459 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3460 }
3461 
3462 void
radeon_combios_connected_scratch_regs(struct drm_connector * connector,struct drm_encoder * encoder,bool connected)3463 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
3464 				      struct drm_encoder *encoder,
3465 				      bool connected)
3466 {
3467 	struct drm_device *dev = connector->dev;
3468 	struct radeon_device *rdev = dev->dev_private;
3469 	struct radeon_connector *radeon_connector =
3470 	    to_radeon_connector(connector);
3471 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3472 	uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
3473 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3474 
3475 	if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
3476 	    (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
3477 		if (connected) {
3478 			DRM_DEBUG_KMS("TV1 connected\n");
3479 			/* fix me */
3480 			bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
3481 			/*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
3482 			bios_5_scratch |= RADEON_TV1_ON;
3483 			bios_5_scratch |= RADEON_ACC_REQ_TV1;
3484 		} else {
3485 			DRM_DEBUG_KMS("TV1 disconnected\n");
3486 			bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
3487 			bios_5_scratch &= ~RADEON_TV1_ON;
3488 			bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
3489 		}
3490 	}
3491 	if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
3492 	    (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
3493 		if (connected) {
3494 			DRM_DEBUG_KMS("LCD1 connected\n");
3495 			bios_4_scratch |= RADEON_LCD1_ATTACHED;
3496 			bios_5_scratch |= RADEON_LCD1_ON;
3497 			bios_5_scratch |= RADEON_ACC_REQ_LCD1;
3498 		} else {
3499 			DRM_DEBUG_KMS("LCD1 disconnected\n");
3500 			bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
3501 			bios_5_scratch &= ~RADEON_LCD1_ON;
3502 			bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
3503 		}
3504 	}
3505 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
3506 	    (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
3507 		if (connected) {
3508 			DRM_DEBUG_KMS("CRT1 connected\n");
3509 			bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
3510 			bios_5_scratch |= RADEON_CRT1_ON;
3511 			bios_5_scratch |= RADEON_ACC_REQ_CRT1;
3512 		} else {
3513 			DRM_DEBUG_KMS("CRT1 disconnected\n");
3514 			bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
3515 			bios_5_scratch &= ~RADEON_CRT1_ON;
3516 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
3517 		}
3518 	}
3519 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
3520 	    (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
3521 		if (connected) {
3522 			DRM_DEBUG_KMS("CRT2 connected\n");
3523 			bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
3524 			bios_5_scratch |= RADEON_CRT2_ON;
3525 			bios_5_scratch |= RADEON_ACC_REQ_CRT2;
3526 		} else {
3527 			DRM_DEBUG_KMS("CRT2 disconnected\n");
3528 			bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
3529 			bios_5_scratch &= ~RADEON_CRT2_ON;
3530 			bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
3531 		}
3532 	}
3533 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
3534 	    (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
3535 		if (connected) {
3536 			DRM_DEBUG_KMS("DFP1 connected\n");
3537 			bios_4_scratch |= RADEON_DFP1_ATTACHED;
3538 			bios_5_scratch |= RADEON_DFP1_ON;
3539 			bios_5_scratch |= RADEON_ACC_REQ_DFP1;
3540 		} else {
3541 			DRM_DEBUG_KMS("DFP1 disconnected\n");
3542 			bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
3543 			bios_5_scratch &= ~RADEON_DFP1_ON;
3544 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
3545 		}
3546 	}
3547 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
3548 	    (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
3549 		if (connected) {
3550 			DRM_DEBUG_KMS("DFP2 connected\n");
3551 			bios_4_scratch |= RADEON_DFP2_ATTACHED;
3552 			bios_5_scratch |= RADEON_DFP2_ON;
3553 			bios_5_scratch |= RADEON_ACC_REQ_DFP2;
3554 		} else {
3555 			DRM_DEBUG_KMS("DFP2 disconnected\n");
3556 			bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
3557 			bios_5_scratch &= ~RADEON_DFP2_ON;
3558 			bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
3559 		}
3560 	}
3561 	WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
3562 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3563 }
3564 
3565 void
radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder * encoder,int crtc)3566 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
3567 {
3568 	struct drm_device *dev = encoder->dev;
3569 	struct radeon_device *rdev = dev->dev_private;
3570 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3571 	uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3572 
3573 	if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
3574 		bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
3575 		bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
3576 	}
3577 	if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
3578 		bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
3579 		bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
3580 	}
3581 	if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
3582 		bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
3583 		bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
3584 	}
3585 	if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
3586 		bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
3587 		bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
3588 	}
3589 	if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
3590 		bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
3591 		bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
3592 	}
3593 	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
3594 		bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
3595 		bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
3596 	}
3597 	WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3598 }
3599 
3600 void
radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder * encoder,bool on)3601 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
3602 {
3603 	struct drm_device *dev = encoder->dev;
3604 	struct radeon_device *rdev = dev->dev_private;
3605 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3606 	uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3607 
3608 	if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
3609 		if (on)
3610 			bios_6_scratch |= RADEON_TV_DPMS_ON;
3611 		else
3612 			bios_6_scratch &= ~RADEON_TV_DPMS_ON;
3613 	}
3614 	if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3615 		if (on)
3616 			bios_6_scratch |= RADEON_CRT_DPMS_ON;
3617 		else
3618 			bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
3619 	}
3620 	if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3621 		if (on)
3622 			bios_6_scratch |= RADEON_LCD_DPMS_ON;
3623 		else
3624 			bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
3625 	}
3626 	if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
3627 		if (on)
3628 			bios_6_scratch |= RADEON_DFP_DPMS_ON;
3629 		else
3630 			bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
3631 	}
3632 	WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3633 }
3634