1 /*
2  * Copyright 2007-8 Advanced Micro Devices, Inc.
3  * Copyright 2008 Red Hat Inc.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21  * OTHER DEALINGS IN THE SOFTWARE.
22  *
23  * Authors: Dave Airlie
24  *          Alex Deucher
25  */
26 
27 #include <drm/drm_device.h>
28 #include <drm/drm_pci.h>
29 #include <drm/radeon_drm.h>
30 
31 #include "radeon.h"
32 
33 #include "atom.h"
34 #include "atom-bits.h"
35 #include "radeon_asic.h"
36 
37 extern void
38 radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_enum,
39 			uint32_t supported_device, u16 caps);
40 
41 /* from radeon_legacy_encoder.c */
42 extern void
43 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum,
44 			  uint32_t supported_device);
45 
46 union atom_supported_devices {
47 	struct _ATOM_SUPPORTED_DEVICES_INFO info;
48 	struct _ATOM_SUPPORTED_DEVICES_INFO_2 info_2;
49 	struct _ATOM_SUPPORTED_DEVICES_INFO_2d1 info_2d1;
50 };
51 
52 static void radeon_lookup_i2c_gpio_quirks(struct radeon_device *rdev,
53 					  ATOM_GPIO_I2C_ASSIGMENT *gpio,
54 					  u8 index)
55 {
56 	/* r4xx mask is technically not used by the hw, so patch in the legacy mask bits */
57 	if ((rdev->family == CHIP_R420) ||
58 	    (rdev->family == CHIP_R423) ||
59 	    (rdev->family == CHIP_RV410)) {
60 		if ((le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0018) ||
61 		    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0019) ||
62 		    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x001a)) {
63 			gpio->ucClkMaskShift = 0x19;
64 			gpio->ucDataMaskShift = 0x18;
65 		}
66 	}
67 
68 	/* some evergreen boards have bad data for this entry */
69 	if (ASIC_IS_DCE4(rdev)) {
70 		if ((index == 7) &&
71 		    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1936) &&
72 		    (gpio->sucI2cId.ucAccess == 0)) {
73 			gpio->sucI2cId.ucAccess = 0x97;
74 			gpio->ucDataMaskShift = 8;
75 			gpio->ucDataEnShift = 8;
76 			gpio->ucDataY_Shift = 8;
77 			gpio->ucDataA_Shift = 8;
78 		}
79 	}
80 
81 	/* some DCE3 boards have bad data for this entry */
82 	if (ASIC_IS_DCE3(rdev)) {
83 		if ((index == 4) &&
84 		    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1fda) &&
85 		    (gpio->sucI2cId.ucAccess == 0x94))
86 			gpio->sucI2cId.ucAccess = 0x14;
87 	}
88 }
89 
90 static struct radeon_i2c_bus_rec radeon_get_bus_rec_for_i2c_gpio(ATOM_GPIO_I2C_ASSIGMENT *gpio)
91 {
92 	struct radeon_i2c_bus_rec i2c;
93 
94 	memset(&i2c, 0, sizeof(struct radeon_i2c_bus_rec));
95 
96 	i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4;
97 	i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4;
98 	i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4;
99 	i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4;
100 	i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4;
101 	i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4;
102 	i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4;
103 	i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4;
104 	i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
105 	i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
106 	i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
107 	i2c.en_data_mask = (1 << gpio->ucDataEnShift);
108 	i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
109 	i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
110 	i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
111 	i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
112 
113 	if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
114 		i2c.hw_capable = true;
115 	else
116 		i2c.hw_capable = false;
117 
118 	if (gpio->sucI2cId.ucAccess == 0xa0)
119 		i2c.mm_i2c = true;
120 	else
121 		i2c.mm_i2c = false;
122 
123 	i2c.i2c_id = gpio->sucI2cId.ucAccess;
124 
125 	if (i2c.mask_clk_reg)
126 		i2c.valid = true;
127 	else
128 		i2c.valid = false;
129 
130 	return i2c;
131 }
132 
133 static struct radeon_i2c_bus_rec radeon_lookup_i2c_gpio(struct radeon_device *rdev,
134 							       uint8_t id)
135 {
136 	struct atom_context *ctx = rdev->mode_info.atom_context;
137 	ATOM_GPIO_I2C_ASSIGMENT *gpio;
138 	struct radeon_i2c_bus_rec i2c;
139 	int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info);
140 	struct _ATOM_GPIO_I2C_INFO *i2c_info;
141 	uint16_t data_offset, size;
142 	int i, num_indices;
143 
144 	memset(&i2c, 0, sizeof(struct radeon_i2c_bus_rec));
145 	i2c.valid = false;
146 
147 	if (atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
148 		i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
149 
150 		num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
151 			sizeof(ATOM_GPIO_I2C_ASSIGMENT);
152 
153 		gpio = &i2c_info->asGPIO_Info[0];
154 		for (i = 0; i < num_indices; i++) {
155 
156 			radeon_lookup_i2c_gpio_quirks(rdev, gpio, i);
157 
158 			if (gpio->sucI2cId.ucAccess == id) {
159 				i2c = radeon_get_bus_rec_for_i2c_gpio(gpio);
160 				break;
161 			}
162 			gpio = (ATOM_GPIO_I2C_ASSIGMENT *)
163 				((u8 *)gpio + sizeof(ATOM_GPIO_I2C_ASSIGMENT));
164 		}
165 	}
166 
167 	return i2c;
168 }
169 
170 void radeon_atombios_i2c_init(struct radeon_device *rdev)
171 {
172 	struct atom_context *ctx = rdev->mode_info.atom_context;
173 	ATOM_GPIO_I2C_ASSIGMENT *gpio;
174 	struct radeon_i2c_bus_rec i2c;
175 	int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info);
176 	struct _ATOM_GPIO_I2C_INFO *i2c_info;
177 	uint16_t data_offset, size;
178 	int i, num_indices;
179 	char stmp[32];
180 
181 	if (atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
182 		i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
183 
184 		num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
185 			sizeof(ATOM_GPIO_I2C_ASSIGMENT);
186 
187 		gpio = &i2c_info->asGPIO_Info[0];
188 		for (i = 0; i < num_indices; i++) {
189 			radeon_lookup_i2c_gpio_quirks(rdev, gpio, i);
190 
191 			i2c = radeon_get_bus_rec_for_i2c_gpio(gpio);
192 
193 			if (i2c.valid) {
194 				sprintf(stmp, "0x%x", i2c.i2c_id);
195 				rdev->i2c_bus[i] = radeon_i2c_create(rdev->ddev, &i2c, stmp);
196 			}
197 			gpio = (ATOM_GPIO_I2C_ASSIGMENT *)
198 				((u8 *)gpio + sizeof(ATOM_GPIO_I2C_ASSIGMENT));
199 		}
200 	}
201 }
202 
203 struct radeon_gpio_rec radeon_atombios_lookup_gpio(struct radeon_device *rdev,
204 						   u8 id)
205 {
206 	struct atom_context *ctx = rdev->mode_info.atom_context;
207 	struct radeon_gpio_rec gpio;
208 	int index = GetIndexIntoMasterTable(DATA, GPIO_Pin_LUT);
209 	struct _ATOM_GPIO_PIN_LUT *gpio_info;
210 	ATOM_GPIO_PIN_ASSIGNMENT *pin;
211 	u16 data_offset, size;
212 	int i, num_indices;
213 
214 	memset(&gpio, 0, sizeof(struct radeon_gpio_rec));
215 	gpio.valid = false;
216 
217 	if (atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
218 		gpio_info = (struct _ATOM_GPIO_PIN_LUT *)(ctx->bios + data_offset);
219 
220 		num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
221 			sizeof(ATOM_GPIO_PIN_ASSIGNMENT);
222 
223 		pin = gpio_info->asGPIO_Pin;
224 		for (i = 0; i < num_indices; i++) {
225 			if (id == pin->ucGPIO_ID) {
226 				gpio.id = pin->ucGPIO_ID;
227 				gpio.reg = le16_to_cpu(pin->usGpioPin_AIndex) * 4;
228 				gpio.shift = pin->ucGpioPinBitShift;
229 				gpio.mask = (1 << pin->ucGpioPinBitShift);
230 				gpio.valid = true;
231 				break;
232 			}
233 			pin = (ATOM_GPIO_PIN_ASSIGNMENT *)
234 				((u8 *)pin + sizeof(ATOM_GPIO_PIN_ASSIGNMENT));
235 		}
236 	}
237 
238 	return gpio;
239 }
240 
241 static struct radeon_hpd radeon_atom_get_hpd_info_from_gpio(struct radeon_device *rdev,
242 							    struct radeon_gpio_rec *gpio)
243 {
244 	struct radeon_hpd hpd;
245 	u32 reg;
246 
247 	memset(&hpd, 0, sizeof(struct radeon_hpd));
248 
249 	if (ASIC_IS_DCE6(rdev))
250 		reg = SI_DC_GPIO_HPD_A;
251 	else if (ASIC_IS_DCE4(rdev))
252 		reg = EVERGREEN_DC_GPIO_HPD_A;
253 	else
254 		reg = AVIVO_DC_GPIO_HPD_A;
255 
256 	hpd.gpio = *gpio;
257 	if (gpio->reg == reg) {
258 		switch(gpio->mask) {
259 		case (1 << 0):
260 			hpd.hpd = RADEON_HPD_1;
261 			break;
262 		case (1 << 8):
263 			hpd.hpd = RADEON_HPD_2;
264 			break;
265 		case (1 << 16):
266 			hpd.hpd = RADEON_HPD_3;
267 			break;
268 		case (1 << 24):
269 			hpd.hpd = RADEON_HPD_4;
270 			break;
271 		case (1 << 26):
272 			hpd.hpd = RADEON_HPD_5;
273 			break;
274 		case (1 << 28):
275 			hpd.hpd = RADEON_HPD_6;
276 			break;
277 		default:
278 			hpd.hpd = RADEON_HPD_NONE;
279 			break;
280 		}
281 	} else
282 		hpd.hpd = RADEON_HPD_NONE;
283 	return hpd;
284 }
285 
286 static bool radeon_atom_apply_quirks(struct drm_device *dev,
287 				     uint32_t supported_device,
288 				     int *connector_type,
289 				     struct radeon_i2c_bus_rec *i2c_bus,
290 				     uint16_t *line_mux,
291 				     struct radeon_hpd *hpd)
292 {
293 
294 	/* Asus M2A-VM HDMI board lists the DVI port as HDMI */
295 	if ((dev->pdev->device == 0x791e) &&
296 	    (dev->pdev->subsystem_vendor == 0x1043) &&
297 	    (dev->pdev->subsystem_device == 0x826d)) {
298 		if ((*connector_type == DRM_MODE_CONNECTOR_HDMIA) &&
299 		    (supported_device == ATOM_DEVICE_DFP3_SUPPORT))
300 			*connector_type = DRM_MODE_CONNECTOR_DVID;
301 	}
302 
303 	/* Asrock RS600 board lists the DVI port as HDMI */
304 	if ((dev->pdev->device == 0x7941) &&
305 	    (dev->pdev->subsystem_vendor == 0x1849) &&
306 	    (dev->pdev->subsystem_device == 0x7941)) {
307 		if ((*connector_type == DRM_MODE_CONNECTOR_HDMIA) &&
308 		    (supported_device == ATOM_DEVICE_DFP3_SUPPORT))
309 			*connector_type = DRM_MODE_CONNECTOR_DVID;
310 	}
311 
312 	/* MSI K9A2GM V2/V3 board has no HDMI or DVI */
313 	if ((dev->pdev->device == 0x796e) &&
314 	    (dev->pdev->subsystem_vendor == 0x1462) &&
315 	    (dev->pdev->subsystem_device == 0x7302)) {
316 		if ((supported_device == ATOM_DEVICE_DFP2_SUPPORT) ||
317 		    (supported_device == ATOM_DEVICE_DFP3_SUPPORT))
318 			return false;
319 	}
320 
321 	/* a-bit f-i90hd - ciaranm on #radeonhd - this board has no DVI */
322 	if ((dev->pdev->device == 0x7941) &&
323 	    (dev->pdev->subsystem_vendor == 0x147b) &&
324 	    (dev->pdev->subsystem_device == 0x2412)) {
325 		if (*connector_type == DRM_MODE_CONNECTOR_DVII)
326 			return false;
327 	}
328 
329 	/* Falcon NW laptop lists vga ddc line for LVDS */
330 	if ((dev->pdev->device == 0x5653) &&
331 	    (dev->pdev->subsystem_vendor == 0x1462) &&
332 	    (dev->pdev->subsystem_device == 0x0291)) {
333 		if (*connector_type == DRM_MODE_CONNECTOR_LVDS) {
334 			i2c_bus->valid = false;
335 			*line_mux = 53;
336 		}
337 	}
338 
339 	/* HIS X1300 is DVI+VGA, not DVI+DVI */
340 	if ((dev->pdev->device == 0x7146) &&
341 	    (dev->pdev->subsystem_vendor == 0x17af) &&
342 	    (dev->pdev->subsystem_device == 0x2058)) {
343 		if (supported_device == ATOM_DEVICE_DFP1_SUPPORT)
344 			return false;
345 	}
346 
347 	/* Gigabyte X1300 is DVI+VGA, not DVI+DVI */
348 	if ((dev->pdev->device == 0x7142) &&
349 	    (dev->pdev->subsystem_vendor == 0x1458) &&
350 	    (dev->pdev->subsystem_device == 0x2134)) {
351 		if (supported_device == ATOM_DEVICE_DFP1_SUPPORT)
352 			return false;
353 	}
354 
355 
356 	/* Funky macbooks */
357 	if ((dev->pdev->device == 0x71C5) &&
358 	    (dev->pdev->subsystem_vendor == 0x106b) &&
359 	    (dev->pdev->subsystem_device == 0x0080)) {
360 		if ((supported_device == ATOM_DEVICE_CRT1_SUPPORT) ||
361 		    (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
362 			return false;
363 		if (supported_device == ATOM_DEVICE_CRT2_SUPPORT)
364 			*line_mux = 0x90;
365 	}
366 
367 	/* mac rv630, rv730, others */
368 	if ((supported_device == ATOM_DEVICE_TV1_SUPPORT) &&
369 	    (*connector_type == DRM_MODE_CONNECTOR_DVII)) {
370 		*connector_type = DRM_MODE_CONNECTOR_9PinDIN;
371 		*line_mux = CONNECTOR_7PIN_DIN_ENUM_ID1;
372 	}
373 
374 	/* ASUS HD 3600 XT board lists the DVI port as HDMI */
375 	if ((dev->pdev->device == 0x9598) &&
376 	    (dev->pdev->subsystem_vendor == 0x1043) &&
377 	    (dev->pdev->subsystem_device == 0x01da)) {
378 		if (*connector_type == DRM_MODE_CONNECTOR_HDMIA) {
379 			*connector_type = DRM_MODE_CONNECTOR_DVII;
380 		}
381 	}
382 
383 	/* ASUS HD 3600 board lists the DVI port as HDMI */
384 	if ((dev->pdev->device == 0x9598) &&
385 	    (dev->pdev->subsystem_vendor == 0x1043) &&
386 	    (dev->pdev->subsystem_device == 0x01e4)) {
387 		if (*connector_type == DRM_MODE_CONNECTOR_HDMIA) {
388 			*connector_type = DRM_MODE_CONNECTOR_DVII;
389 		}
390 	}
391 
392 	/* ASUS HD 3450 board lists the DVI port as HDMI */
393 	if ((dev->pdev->device == 0x95C5) &&
394 	    (dev->pdev->subsystem_vendor == 0x1043) &&
395 	    (dev->pdev->subsystem_device == 0x01e2)) {
396 		if (*connector_type == DRM_MODE_CONNECTOR_HDMIA) {
397 			*connector_type = DRM_MODE_CONNECTOR_DVII;
398 		}
399 	}
400 
401 	/* some BIOSes seem to report DAC on HDMI - usually this is a board with
402 	 * HDMI + VGA reporting as HDMI
403 	 */
404 	if (*connector_type == DRM_MODE_CONNECTOR_HDMIA) {
405 		if (supported_device & (ATOM_DEVICE_CRT_SUPPORT)) {
406 			*connector_type = DRM_MODE_CONNECTOR_VGA;
407 			*line_mux = 0;
408 		}
409 	}
410 
411 	/* Acer laptop (Acer TravelMate 5730/5730G) has an HDMI port
412 	 * on the laptop and a DVI port on the docking station and
413 	 * both share the same encoder, hpd pin, and ddc line.
414 	 * So while the bios table is technically correct,
415 	 * we drop the DVI port here since xrandr has no concept of
416 	 * encoders and will try and drive both connectors
417 	 * with different crtcs which isn't possible on the hardware
418 	 * side and leaves no crtcs for LVDS or VGA.
419 	 */
420 	if (((dev->pdev->device == 0x95c4) || (dev->pdev->device == 0x9591)) &&
421 	    (dev->pdev->subsystem_vendor == 0x1025) &&
422 	    (dev->pdev->subsystem_device == 0x013c)) {
423 		if ((*connector_type == DRM_MODE_CONNECTOR_DVII) &&
424 		    (supported_device == ATOM_DEVICE_DFP1_SUPPORT)) {
425 			/* actually it's a DVI-D port not DVI-I */
426 			*connector_type = DRM_MODE_CONNECTOR_DVID;
427 			return false;
428 		}
429 	}
430 
431 	/* XFX Pine Group device rv730 reports no VGA DDC lines
432 	 * even though they are wired up to record 0x93
433 	 */
434 	if ((dev->pdev->device == 0x9498) &&
435 	    (dev->pdev->subsystem_vendor == 0x1682) &&
436 	    (dev->pdev->subsystem_device == 0x2452) &&
437 	    (i2c_bus->valid == false) &&
438 	    !(supported_device & (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT))) {
439 		struct radeon_device *rdev = dev->dev_private;
440 		*i2c_bus = radeon_lookup_i2c_gpio(rdev, 0x93);
441 	}
442 
443 	/* Fujitsu D3003-S2 board lists DVI-I as DVI-D and VGA */
444 	if (((dev->pdev->device == 0x9802) ||
445 	     (dev->pdev->device == 0x9805) ||
446 	     (dev->pdev->device == 0x9806)) &&
447 	    (dev->pdev->subsystem_vendor == 0x1734) &&
448 	    (dev->pdev->subsystem_device == 0x11bd)) {
449 		if (*connector_type == DRM_MODE_CONNECTOR_VGA) {
450 			*connector_type = DRM_MODE_CONNECTOR_DVII;
451 			*line_mux = 0x3103;
452 		} else if (*connector_type == DRM_MODE_CONNECTOR_DVID) {
453 			*connector_type = DRM_MODE_CONNECTOR_DVII;
454 		}
455 	}
456 
457 	return true;
458 }
459 
460 static const int supported_devices_connector_convert[] = {
461 	DRM_MODE_CONNECTOR_Unknown,
462 	DRM_MODE_CONNECTOR_VGA,
463 	DRM_MODE_CONNECTOR_DVII,
464 	DRM_MODE_CONNECTOR_DVID,
465 	DRM_MODE_CONNECTOR_DVIA,
466 	DRM_MODE_CONNECTOR_SVIDEO,
467 	DRM_MODE_CONNECTOR_Composite,
468 	DRM_MODE_CONNECTOR_LVDS,
469 	DRM_MODE_CONNECTOR_Unknown,
470 	DRM_MODE_CONNECTOR_Unknown,
471 	DRM_MODE_CONNECTOR_HDMIA,
472 	DRM_MODE_CONNECTOR_HDMIB,
473 	DRM_MODE_CONNECTOR_Unknown,
474 	DRM_MODE_CONNECTOR_Unknown,
475 	DRM_MODE_CONNECTOR_9PinDIN,
476 	DRM_MODE_CONNECTOR_DisplayPort
477 };
478 
479 static const uint16_t supported_devices_connector_object_id_convert[] = {
480 	CONNECTOR_OBJECT_ID_NONE,
481 	CONNECTOR_OBJECT_ID_VGA,
482 	CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I, /* not all boards support DL */
483 	CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D, /* not all boards support DL */
484 	CONNECTOR_OBJECT_ID_VGA, /* technically DVI-A */
485 	CONNECTOR_OBJECT_ID_COMPOSITE,
486 	CONNECTOR_OBJECT_ID_SVIDEO,
487 	CONNECTOR_OBJECT_ID_LVDS,
488 	CONNECTOR_OBJECT_ID_9PIN_DIN,
489 	CONNECTOR_OBJECT_ID_9PIN_DIN,
490 	CONNECTOR_OBJECT_ID_DISPLAYPORT,
491 	CONNECTOR_OBJECT_ID_HDMI_TYPE_A,
492 	CONNECTOR_OBJECT_ID_HDMI_TYPE_B,
493 	CONNECTOR_OBJECT_ID_SVIDEO
494 };
495 
496 static const int object_connector_convert[] = {
497 	DRM_MODE_CONNECTOR_Unknown,
498 	DRM_MODE_CONNECTOR_DVII,
499 	DRM_MODE_CONNECTOR_DVII,
500 	DRM_MODE_CONNECTOR_DVID,
501 	DRM_MODE_CONNECTOR_DVID,
502 	DRM_MODE_CONNECTOR_VGA,
503 	DRM_MODE_CONNECTOR_Composite,
504 	DRM_MODE_CONNECTOR_SVIDEO,
505 	DRM_MODE_CONNECTOR_Unknown,
506 	DRM_MODE_CONNECTOR_Unknown,
507 	DRM_MODE_CONNECTOR_9PinDIN,
508 	DRM_MODE_CONNECTOR_Unknown,
509 	DRM_MODE_CONNECTOR_HDMIA,
510 	DRM_MODE_CONNECTOR_HDMIB,
511 	DRM_MODE_CONNECTOR_LVDS,
512 	DRM_MODE_CONNECTOR_9PinDIN,
513 	DRM_MODE_CONNECTOR_Unknown,
514 	DRM_MODE_CONNECTOR_Unknown,
515 	DRM_MODE_CONNECTOR_Unknown,
516 	DRM_MODE_CONNECTOR_DisplayPort,
517 	DRM_MODE_CONNECTOR_eDP,
518 	DRM_MODE_CONNECTOR_Unknown
519 };
520 
521 bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
522 {
523 	struct radeon_device *rdev = dev->dev_private;
524 	struct radeon_mode_info *mode_info = &rdev->mode_info;
525 	struct atom_context *ctx = mode_info->atom_context;
526 	int index = GetIndexIntoMasterTable(DATA, Object_Header);
527 	u16 size, data_offset;
528 	u8 frev, crev;
529 	ATOM_CONNECTOR_OBJECT_TABLE *con_obj;
530 	ATOM_ENCODER_OBJECT_TABLE *enc_obj;
531 	ATOM_OBJECT_TABLE *router_obj;
532 	ATOM_DISPLAY_OBJECT_PATH_TABLE *path_obj;
533 	ATOM_OBJECT_HEADER *obj_header;
534 	int i, j, k, path_size, device_support;
535 	int connector_type;
536 	u16 igp_lane_info, conn_id, connector_object_id;
537 	struct radeon_i2c_bus_rec ddc_bus;
538 	struct radeon_router router;
539 	struct radeon_gpio_rec gpio;
540 	struct radeon_hpd hpd;
541 
542 	if (!atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset))
543 		return false;
544 
545 	if (crev < 2)
546 		return false;
547 
548 	obj_header = (ATOM_OBJECT_HEADER *) (ctx->bios + data_offset);
549 	path_obj = (ATOM_DISPLAY_OBJECT_PATH_TABLE *)
550 	    (ctx->bios + data_offset +
551 	     le16_to_cpu(obj_header->usDisplayPathTableOffset));
552 	con_obj = (ATOM_CONNECTOR_OBJECT_TABLE *)
553 	    (ctx->bios + data_offset +
554 	     le16_to_cpu(obj_header->usConnectorObjectTableOffset));
555 	enc_obj = (ATOM_ENCODER_OBJECT_TABLE *)
556 	    (ctx->bios + data_offset +
557 	     le16_to_cpu(obj_header->usEncoderObjectTableOffset));
558 	router_obj = (ATOM_OBJECT_TABLE *)
559 		(ctx->bios + data_offset +
560 		 le16_to_cpu(obj_header->usRouterObjectTableOffset));
561 	device_support = le16_to_cpu(obj_header->usDeviceSupport);
562 
563 	path_size = 0;
564 	for (i = 0; i < path_obj->ucNumOfDispPath; i++) {
565 		uint8_t *addr = (uint8_t *) path_obj->asDispPath;
566 		ATOM_DISPLAY_OBJECT_PATH *path;
567 		addr += path_size;
568 		path = (ATOM_DISPLAY_OBJECT_PATH *) addr;
569 		path_size += le16_to_cpu(path->usSize);
570 
571 		if (device_support & le16_to_cpu(path->usDeviceTag)) {
572 			uint8_t con_obj_id, con_obj_num, con_obj_type;
573 
574 			con_obj_id =
575 			    (le16_to_cpu(path->usConnObjectId) & OBJECT_ID_MASK)
576 			    >> OBJECT_ID_SHIFT;
577 			con_obj_num =
578 			    (le16_to_cpu(path->usConnObjectId) & ENUM_ID_MASK)
579 			    >> ENUM_ID_SHIFT;
580 			con_obj_type =
581 			    (le16_to_cpu(path->usConnObjectId) &
582 			     OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
583 
584 			/* TODO CV support */
585 			if (le16_to_cpu(path->usDeviceTag) ==
586 				ATOM_DEVICE_CV_SUPPORT)
587 				continue;
588 
589 			/* IGP chips */
590 			if ((rdev->flags & RADEON_IS_IGP) &&
591 			    (con_obj_id ==
592 			     CONNECTOR_OBJECT_ID_PCIE_CONNECTOR)) {
593 				uint16_t igp_offset = 0;
594 				ATOM_INTEGRATED_SYSTEM_INFO_V2 *igp_obj;
595 
596 				index =
597 				    GetIndexIntoMasterTable(DATA,
598 							    IntegratedSystemInfo);
599 
600 				if (atom_parse_data_header(ctx, index, &size, &frev,
601 							   &crev, &igp_offset)) {
602 
603 					if (crev >= 2) {
604 						igp_obj =
605 							(ATOM_INTEGRATED_SYSTEM_INFO_V2
606 							 *) (ctx->bios + igp_offset);
607 
608 						if (igp_obj) {
609 							uint32_t slot_config, ct;
610 
611 							if (con_obj_num == 1)
612 								slot_config =
613 									igp_obj->
614 									ulDDISlot1Config;
615 							else
616 								slot_config =
617 									igp_obj->
618 									ulDDISlot2Config;
619 
620 							ct = (slot_config >> 16) & 0xff;
621 							connector_type =
622 								object_connector_convert
623 								[ct];
624 							connector_object_id = ct;
625 							igp_lane_info =
626 								slot_config & 0xffff;
627 						} else
628 							continue;
629 					} else
630 						continue;
631 				} else {
632 					igp_lane_info = 0;
633 					connector_type =
634 						object_connector_convert[con_obj_id];
635 					connector_object_id = con_obj_id;
636 				}
637 			} else {
638 				igp_lane_info = 0;
639 				connector_type =
640 				    object_connector_convert[con_obj_id];
641 				connector_object_id = con_obj_id;
642 			}
643 
644 			if (connector_type == DRM_MODE_CONNECTOR_Unknown)
645 				continue;
646 
647 			router.ddc_valid = false;
648 			router.cd_valid = false;
649 			for (j = 0; j < ((le16_to_cpu(path->usSize) - 8) / 2); j++) {
650 				uint8_t grph_obj_id, grph_obj_num, grph_obj_type;
651 
652 				grph_obj_id =
653 				    (le16_to_cpu(path->usGraphicObjIds[j]) &
654 				     OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
655 				grph_obj_num =
656 				    (le16_to_cpu(path->usGraphicObjIds[j]) &
657 				     ENUM_ID_MASK) >> ENUM_ID_SHIFT;
658 				grph_obj_type =
659 				    (le16_to_cpu(path->usGraphicObjIds[j]) &
660 				     OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
661 
662 				if (grph_obj_type == GRAPH_OBJECT_TYPE_ENCODER) {
663 					for (k = 0; k < enc_obj->ucNumberOfObjects; k++) {
664 						u16 encoder_obj = le16_to_cpu(enc_obj->asObjects[k].usObjectID);
665 						if (le16_to_cpu(path->usGraphicObjIds[j]) == encoder_obj) {
666 							ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *)
667 								(ctx->bios + data_offset +
668 								 le16_to_cpu(enc_obj->asObjects[k].usRecordOffset));
669 							ATOM_ENCODER_CAP_RECORD *cap_record;
670 							u16 caps = 0;
671 
672 							while (record->ucRecordSize > 0 &&
673 							       record->ucRecordType > 0 &&
674 							       record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
675 								switch (record->ucRecordType) {
676 								case ATOM_ENCODER_CAP_RECORD_TYPE:
677 									cap_record =(ATOM_ENCODER_CAP_RECORD *)
678 										record;
679 									caps = le16_to_cpu(cap_record->usEncoderCap);
680 									break;
681 								}
682 								record = (ATOM_COMMON_RECORD_HEADER *)
683 									((char *)record + record->ucRecordSize);
684 							}
685 							radeon_add_atom_encoder(dev,
686 										encoder_obj,
687 										le16_to_cpu
688 										(path->
689 										 usDeviceTag),
690 										caps);
691 						}
692 					}
693 				} else if (grph_obj_type == GRAPH_OBJECT_TYPE_ROUTER) {
694 					for (k = 0; k < router_obj->ucNumberOfObjects; k++) {
695 						u16 router_obj_id = le16_to_cpu(router_obj->asObjects[k].usObjectID);
696 						if (le16_to_cpu(path->usGraphicObjIds[j]) == router_obj_id) {
697 							ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *)
698 								(ctx->bios + data_offset +
699 								 le16_to_cpu(router_obj->asObjects[k].usRecordOffset));
700 							ATOM_I2C_RECORD *i2c_record;
701 							ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
702 							ATOM_ROUTER_DDC_PATH_SELECT_RECORD *ddc_path;
703 							ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *cd_path;
704 							ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *router_src_dst_table =
705 								(ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *)
706 								(ctx->bios + data_offset +
707 								 le16_to_cpu(router_obj->asObjects[k].usSrcDstTableOffset));
708 							u8 *num_dst_objs = (u8 *)
709 								((u8 *)router_src_dst_table + 1 +
710 								 (router_src_dst_table->ucNumberOfSrc * 2));
711 							u16 *dst_objs = (u16 *)(num_dst_objs + 1);
712 							int enum_id;
713 
714 							router.router_id = router_obj_id;
715 							for (enum_id = 0; enum_id < (*num_dst_objs); enum_id++) {
716 								if (le16_to_cpu(path->usConnObjectId) ==
717 								    le16_to_cpu(dst_objs[enum_id]))
718 									break;
719 							}
720 
721 							while (record->ucRecordSize > 0 &&
722 							       record->ucRecordType > 0 &&
723 							       record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
724 								switch (record->ucRecordType) {
725 								case ATOM_I2C_RECORD_TYPE:
726 									i2c_record =
727 										(ATOM_I2C_RECORD *)
728 										record;
729 									i2c_config =
730 										(ATOM_I2C_ID_CONFIG_ACCESS *)
731 										&i2c_record->sucI2cId;
732 									router.i2c_info =
733 										radeon_lookup_i2c_gpio(rdev,
734 												       i2c_config->
735 												       ucAccess);
736 									router.i2c_addr = i2c_record->ucI2CAddr >> 1;
737 									break;
738 								case ATOM_ROUTER_DDC_PATH_SELECT_RECORD_TYPE:
739 									ddc_path = (ATOM_ROUTER_DDC_PATH_SELECT_RECORD *)
740 										record;
741 									router.ddc_valid = true;
742 									router.ddc_mux_type = ddc_path->ucMuxType;
743 									router.ddc_mux_control_pin = ddc_path->ucMuxControlPin;
744 									router.ddc_mux_state = ddc_path->ucMuxState[enum_id];
745 									break;
746 								case ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD_TYPE:
747 									cd_path = (ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *)
748 										record;
749 									router.cd_valid = true;
750 									router.cd_mux_type = cd_path->ucMuxType;
751 									router.cd_mux_control_pin = cd_path->ucMuxControlPin;
752 									router.cd_mux_state = cd_path->ucMuxState[enum_id];
753 									break;
754 								}
755 								record = (ATOM_COMMON_RECORD_HEADER *)
756 									((char *)record + record->ucRecordSize);
757 							}
758 						}
759 					}
760 				}
761 			}
762 
763 			/* look up gpio for ddc, hpd */
764 			ddc_bus.valid = false;
765 			hpd.hpd = RADEON_HPD_NONE;
766 			if ((le16_to_cpu(path->usDeviceTag) &
767 			     (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) == 0) {
768 				for (j = 0; j < con_obj->ucNumberOfObjects; j++) {
769 					if (le16_to_cpu(path->usConnObjectId) ==
770 					    le16_to_cpu(con_obj->asObjects[j].
771 							usObjectID)) {
772 						ATOM_COMMON_RECORD_HEADER
773 						    *record =
774 						    (ATOM_COMMON_RECORD_HEADER
775 						     *)
776 						    (ctx->bios + data_offset +
777 						     le16_to_cpu(con_obj->
778 								 asObjects[j].
779 								 usRecordOffset));
780 						ATOM_I2C_RECORD *i2c_record;
781 						ATOM_HPD_INT_RECORD *hpd_record;
782 						ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
783 
784 						while (record->ucRecordSize > 0 &&
785 						       record->ucRecordType > 0 &&
786 						       record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
787 							switch (record->ucRecordType) {
788 							case ATOM_I2C_RECORD_TYPE:
789 								i2c_record =
790 								    (ATOM_I2C_RECORD *)
791 									record;
792 								i2c_config =
793 									(ATOM_I2C_ID_CONFIG_ACCESS *)
794 									&i2c_record->sucI2cId;
795 								ddc_bus = radeon_lookup_i2c_gpio(rdev,
796 												 i2c_config->
797 												 ucAccess);
798 								break;
799 							case ATOM_HPD_INT_RECORD_TYPE:
800 								hpd_record =
801 									(ATOM_HPD_INT_RECORD *)
802 									record;
803 								gpio = radeon_atombios_lookup_gpio(rdev,
804 											  hpd_record->ucHPDIntGPIOID);
805 								hpd = radeon_atom_get_hpd_info_from_gpio(rdev, &gpio);
806 								hpd.plugged_state = hpd_record->ucPlugged_PinState;
807 								break;
808 							}
809 							record =
810 							    (ATOM_COMMON_RECORD_HEADER
811 							     *) ((char *)record
812 								 +
813 								 record->
814 								 ucRecordSize);
815 						}
816 						break;
817 					}
818 				}
819 			}
820 
821 			/* needed for aux chan transactions */
822 			ddc_bus.hpd = hpd.hpd;
823 
824 			conn_id = le16_to_cpu(path->usConnObjectId);
825 
826 			if (!radeon_atom_apply_quirks
827 			    (dev, le16_to_cpu(path->usDeviceTag), &connector_type,
828 			     &ddc_bus, &conn_id, &hpd))
829 				continue;
830 
831 			radeon_add_atom_connector(dev,
832 						  conn_id,
833 						  le16_to_cpu(path->
834 							      usDeviceTag),
835 						  connector_type, &ddc_bus,
836 						  igp_lane_info,
837 						  connector_object_id,
838 						  &hpd,
839 						  &router);
840 
841 		}
842 	}
843 
844 	radeon_link_encoder_connector(dev);
845 
846 	radeon_setup_mst_connector(dev);
847 	return true;
848 }
849 
850 static uint16_t atombios_get_connector_object_id(struct drm_device *dev,
851 						 int connector_type,
852 						 uint16_t devices)
853 {
854 	struct radeon_device *rdev = dev->dev_private;
855 
856 	if (rdev->flags & RADEON_IS_IGP) {
857 		return supported_devices_connector_object_id_convert
858 			[connector_type];
859 	} else if (((connector_type == DRM_MODE_CONNECTOR_DVII) ||
860 		    (connector_type == DRM_MODE_CONNECTOR_DVID)) &&
861 		   (devices & ATOM_DEVICE_DFP2_SUPPORT))  {
862 		struct radeon_mode_info *mode_info = &rdev->mode_info;
863 		struct atom_context *ctx = mode_info->atom_context;
864 		int index = GetIndexIntoMasterTable(DATA, XTMDS_Info);
865 		uint16_t size, data_offset;
866 		uint8_t frev, crev;
867 		ATOM_XTMDS_INFO *xtmds;
868 
869 		if (atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset)) {
870 			xtmds = (ATOM_XTMDS_INFO *)(ctx->bios + data_offset);
871 
872 			if (xtmds->ucSupportedLink & ATOM_XTMDS_SUPPORTED_DUALLINK) {
873 				if (connector_type == DRM_MODE_CONNECTOR_DVII)
874 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
875 				else
876 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
877 			} else {
878 				if (connector_type == DRM_MODE_CONNECTOR_DVII)
879 					return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
880 				else
881 					return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
882 			}
883 		} else
884 			return supported_devices_connector_object_id_convert
885 				[connector_type];
886 	} else {
887 		return supported_devices_connector_object_id_convert
888 			[connector_type];
889 	}
890 }
891 
892 struct bios_connector {
893 	bool valid;
894 	uint16_t line_mux;
895 	uint16_t devices;
896 	int connector_type;
897 	struct radeon_i2c_bus_rec ddc_bus;
898 	struct radeon_hpd hpd;
899 };
900 
901 bool radeon_get_atom_connector_info_from_supported_devices_table(struct
902 								 drm_device
903 								 *dev)
904 {
905 	struct radeon_device *rdev = dev->dev_private;
906 	struct radeon_mode_info *mode_info = &rdev->mode_info;
907 	struct atom_context *ctx = mode_info->atom_context;
908 	int index = GetIndexIntoMasterTable(DATA, SupportedDevicesInfo);
909 	uint16_t size, data_offset;
910 	uint8_t frev, crev;
911 	uint16_t device_support;
912 	uint8_t dac;
913 	union atom_supported_devices *supported_devices;
914 	int i, j, max_device;
915 	struct bios_connector *bios_connectors;
916 	size_t bc_size = sizeof(*bios_connectors) * ATOM_MAX_SUPPORTED_DEVICE;
917 	struct radeon_router router;
918 
919 	router.ddc_valid = false;
920 	router.cd_valid = false;
921 
922 	bios_connectors = kzalloc(bc_size, GFP_KERNEL);
923 	if (!bios_connectors)
924 		return false;
925 
926 	if (!atom_parse_data_header(ctx, index, &size, &frev, &crev,
927 				    &data_offset)) {
928 		kfree(bios_connectors);
929 		return false;
930 	}
931 
932 	supported_devices =
933 	    (union atom_supported_devices *)(ctx->bios + data_offset);
934 
935 	device_support = le16_to_cpu(supported_devices->info.usDeviceSupport);
936 
937 	if (frev > 1)
938 		max_device = ATOM_MAX_SUPPORTED_DEVICE;
939 	else
940 		max_device = ATOM_MAX_SUPPORTED_DEVICE_INFO;
941 
942 	for (i = 0; i < max_device; i++) {
943 		ATOM_CONNECTOR_INFO_I2C ci =
944 		    supported_devices->info.asConnInfo[i];
945 
946 		bios_connectors[i].valid = false;
947 
948 		if (!(device_support & (1 << i))) {
949 			continue;
950 		}
951 
952 		if (i == ATOM_DEVICE_CV_INDEX) {
953 			DRM_DEBUG_KMS("Skipping Component Video\n");
954 			continue;
955 		}
956 
957 		bios_connectors[i].connector_type =
958 		    supported_devices_connector_convert[ci.sucConnectorInfo.
959 							sbfAccess.
960 							bfConnectorType];
961 
962 		if (bios_connectors[i].connector_type ==
963 		    DRM_MODE_CONNECTOR_Unknown)
964 			continue;
965 
966 		dac = ci.sucConnectorInfo.sbfAccess.bfAssociatedDAC;
967 
968 		bios_connectors[i].line_mux =
969 			ci.sucI2cId.ucAccess;
970 
971 		/* give tv unique connector ids */
972 		if (i == ATOM_DEVICE_TV1_INDEX) {
973 			bios_connectors[i].ddc_bus.valid = false;
974 			bios_connectors[i].line_mux = 50;
975 		} else if (i == ATOM_DEVICE_TV2_INDEX) {
976 			bios_connectors[i].ddc_bus.valid = false;
977 			bios_connectors[i].line_mux = 51;
978 		} else if (i == ATOM_DEVICE_CV_INDEX) {
979 			bios_connectors[i].ddc_bus.valid = false;
980 			bios_connectors[i].line_mux = 52;
981 		} else
982 			bios_connectors[i].ddc_bus =
983 			    radeon_lookup_i2c_gpio(rdev,
984 						   bios_connectors[i].line_mux);
985 
986 		if ((crev > 1) && (frev > 1)) {
987 			u8 isb = supported_devices->info_2d1.asIntSrcInfo[i].ucIntSrcBitmap;
988 			switch (isb) {
989 			case 0x4:
990 				bios_connectors[i].hpd.hpd = RADEON_HPD_1;
991 				break;
992 			case 0xa:
993 				bios_connectors[i].hpd.hpd = RADEON_HPD_2;
994 				break;
995 			default:
996 				bios_connectors[i].hpd.hpd = RADEON_HPD_NONE;
997 				break;
998 			}
999 		} else {
1000 			if (i == ATOM_DEVICE_DFP1_INDEX)
1001 				bios_connectors[i].hpd.hpd = RADEON_HPD_1;
1002 			else if (i == ATOM_DEVICE_DFP2_INDEX)
1003 				bios_connectors[i].hpd.hpd = RADEON_HPD_2;
1004 			else
1005 				bios_connectors[i].hpd.hpd = RADEON_HPD_NONE;
1006 		}
1007 
1008 		/* Always set the connector type to VGA for CRT1/CRT2. if they are
1009 		 * shared with a DVI port, we'll pick up the DVI connector when we
1010 		 * merge the outputs.  Some bioses incorrectly list VGA ports as DVI.
1011 		 */
1012 		if (i == ATOM_DEVICE_CRT1_INDEX || i == ATOM_DEVICE_CRT2_INDEX)
1013 			bios_connectors[i].connector_type =
1014 			    DRM_MODE_CONNECTOR_VGA;
1015 
1016 		if (!radeon_atom_apply_quirks
1017 		    (dev, (1 << i), &bios_connectors[i].connector_type,
1018 		     &bios_connectors[i].ddc_bus, &bios_connectors[i].line_mux,
1019 		     &bios_connectors[i].hpd))
1020 			continue;
1021 
1022 		bios_connectors[i].valid = true;
1023 		bios_connectors[i].devices = (1 << i);
1024 
1025 		if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom)
1026 			radeon_add_atom_encoder(dev,
1027 						radeon_get_encoder_enum(dev,
1028 								      (1 << i),
1029 								      dac),
1030 						(1 << i),
1031 						0);
1032 		else
1033 			radeon_add_legacy_encoder(dev,
1034 						  radeon_get_encoder_enum(dev,
1035 									(1 << i),
1036 									dac),
1037 						  (1 << i));
1038 	}
1039 
1040 	/* combine shared connectors */
1041 	for (i = 0; i < max_device; i++) {
1042 		if (bios_connectors[i].valid) {
1043 			for (j = 0; j < max_device; j++) {
1044 				if (bios_connectors[j].valid && (i != j)) {
1045 					if (bios_connectors[i].line_mux ==
1046 					    bios_connectors[j].line_mux) {
1047 						/* make sure not to combine LVDS */
1048 						if (bios_connectors[i].devices & (ATOM_DEVICE_LCD_SUPPORT)) {
1049 							bios_connectors[i].line_mux = 53;
1050 							bios_connectors[i].ddc_bus.valid = false;
1051 							continue;
1052 						}
1053 						if (bios_connectors[j].devices & (ATOM_DEVICE_LCD_SUPPORT)) {
1054 							bios_connectors[j].line_mux = 53;
1055 							bios_connectors[j].ddc_bus.valid = false;
1056 							continue;
1057 						}
1058 						/* combine analog and digital for DVI-I */
1059 						if (((bios_connectors[i].devices & (ATOM_DEVICE_DFP_SUPPORT)) &&
1060 						     (bios_connectors[j].devices & (ATOM_DEVICE_CRT_SUPPORT))) ||
1061 						    ((bios_connectors[j].devices & (ATOM_DEVICE_DFP_SUPPORT)) &&
1062 						     (bios_connectors[i].devices & (ATOM_DEVICE_CRT_SUPPORT)))) {
1063 							bios_connectors[i].devices |=
1064 								bios_connectors[j].devices;
1065 							bios_connectors[i].connector_type =
1066 								DRM_MODE_CONNECTOR_DVII;
1067 							if (bios_connectors[j].devices & (ATOM_DEVICE_DFP_SUPPORT))
1068 								bios_connectors[i].hpd =
1069 									bios_connectors[j].hpd;
1070 							bios_connectors[j].valid = false;
1071 						}
1072 					}
1073 				}
1074 			}
1075 		}
1076 	}
1077 
1078 	/* add the connectors */
1079 	for (i = 0; i < max_device; i++) {
1080 		if (bios_connectors[i].valid) {
1081 			uint16_t connector_object_id =
1082 				atombios_get_connector_object_id(dev,
1083 						      bios_connectors[i].connector_type,
1084 						      bios_connectors[i].devices);
1085 			radeon_add_atom_connector(dev,
1086 						  bios_connectors[i].line_mux,
1087 						  bios_connectors[i].devices,
1088 						  bios_connectors[i].
1089 						  connector_type,
1090 						  &bios_connectors[i].ddc_bus,
1091 						  0,
1092 						  connector_object_id,
1093 						  &bios_connectors[i].hpd,
1094 						  &router);
1095 		}
1096 	}
1097 
1098 	radeon_link_encoder_connector(dev);
1099 
1100 	kfree(bios_connectors);
1101 	return true;
1102 }
1103 
1104 union firmware_info {
1105 	ATOM_FIRMWARE_INFO info;
1106 	ATOM_FIRMWARE_INFO_V1_2 info_12;
1107 	ATOM_FIRMWARE_INFO_V1_3 info_13;
1108 	ATOM_FIRMWARE_INFO_V1_4 info_14;
1109 	ATOM_FIRMWARE_INFO_V2_1 info_21;
1110 	ATOM_FIRMWARE_INFO_V2_2 info_22;
1111 };
1112 
1113 union igp_info {
1114 	struct _ATOM_INTEGRATED_SYSTEM_INFO info;
1115 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;
1116 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6;
1117 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7;
1118 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_8 info_8;
1119 };
1120 
1121 static void radeon_atombios_get_dentist_vco_freq(struct radeon_device *rdev)
1122 {
1123 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1124 	int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
1125 	union igp_info *igp_info;
1126 	u8 frev, crev;
1127 	u16 data_offset;
1128 
1129 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1130 			&frev, &crev, &data_offset)) {
1131 		igp_info = (union igp_info *)(mode_info->atom_context->bios +
1132 			data_offset);
1133 		rdev->clock.vco_freq =
1134 			le32_to_cpu(igp_info->info_6.ulDentistVCOFreq);
1135 	}
1136 }
1137 
1138 bool radeon_atom_get_clock_info(struct drm_device *dev)
1139 {
1140 	struct radeon_device *rdev = dev->dev_private;
1141 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1142 	int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
1143 	union firmware_info *firmware_info;
1144 	uint8_t frev, crev;
1145 	struct radeon_pll *p1pll = &rdev->clock.p1pll;
1146 	struct radeon_pll *p2pll = &rdev->clock.p2pll;
1147 	struct radeon_pll *dcpll = &rdev->clock.dcpll;
1148 	struct radeon_pll *spll = &rdev->clock.spll;
1149 	struct radeon_pll *mpll = &rdev->clock.mpll;
1150 	uint16_t data_offset;
1151 
1152 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1153 				   &frev, &crev, &data_offset)) {
1154 		firmware_info =
1155 			(union firmware_info *)(mode_info->atom_context->bios +
1156 						data_offset);
1157 		/* pixel clocks */
1158 		p1pll->reference_freq =
1159 		    le16_to_cpu(firmware_info->info.usReferenceClock);
1160 		p1pll->reference_div = 0;
1161 
1162 		if ((frev < 2) && (crev < 2))
1163 			p1pll->pll_out_min =
1164 				le16_to_cpu(firmware_info->info.usMinPixelClockPLL_Output);
1165 		else
1166 			p1pll->pll_out_min =
1167 				le32_to_cpu(firmware_info->info_12.ulMinPixelClockPLL_Output);
1168 		p1pll->pll_out_max =
1169 		    le32_to_cpu(firmware_info->info.ulMaxPixelClockPLL_Output);
1170 
1171 		if (((frev < 2) && (crev >= 4)) || (frev >= 2)) {
1172 			p1pll->lcd_pll_out_min =
1173 				le16_to_cpu(firmware_info->info_14.usLcdMinPixelClockPLL_Output) * 100;
1174 			if (p1pll->lcd_pll_out_min == 0)
1175 				p1pll->lcd_pll_out_min = p1pll->pll_out_min;
1176 			p1pll->lcd_pll_out_max =
1177 				le16_to_cpu(firmware_info->info_14.usLcdMaxPixelClockPLL_Output) * 100;
1178 			if (p1pll->lcd_pll_out_max == 0)
1179 				p1pll->lcd_pll_out_max = p1pll->pll_out_max;
1180 		} else {
1181 			p1pll->lcd_pll_out_min = p1pll->pll_out_min;
1182 			p1pll->lcd_pll_out_max = p1pll->pll_out_max;
1183 		}
1184 
1185 		if (p1pll->pll_out_min == 0) {
1186 			if (ASIC_IS_AVIVO(rdev))
1187 				p1pll->pll_out_min = 64800;
1188 			else
1189 				p1pll->pll_out_min = 20000;
1190 		}
1191 
1192 		p1pll->pll_in_min =
1193 		    le16_to_cpu(firmware_info->info.usMinPixelClockPLL_Input);
1194 		p1pll->pll_in_max =
1195 		    le16_to_cpu(firmware_info->info.usMaxPixelClockPLL_Input);
1196 
1197 		*p2pll = *p1pll;
1198 
1199 		/* system clock */
1200 		if (ASIC_IS_DCE4(rdev))
1201 			spll->reference_freq =
1202 				le16_to_cpu(firmware_info->info_21.usCoreReferenceClock);
1203 		else
1204 			spll->reference_freq =
1205 				le16_to_cpu(firmware_info->info.usReferenceClock);
1206 		spll->reference_div = 0;
1207 
1208 		spll->pll_out_min =
1209 		    le16_to_cpu(firmware_info->info.usMinEngineClockPLL_Output);
1210 		spll->pll_out_max =
1211 		    le32_to_cpu(firmware_info->info.ulMaxEngineClockPLL_Output);
1212 
1213 		/* ??? */
1214 		if (spll->pll_out_min == 0) {
1215 			if (ASIC_IS_AVIVO(rdev))
1216 				spll->pll_out_min = 64800;
1217 			else
1218 				spll->pll_out_min = 20000;
1219 		}
1220 
1221 		spll->pll_in_min =
1222 		    le16_to_cpu(firmware_info->info.usMinEngineClockPLL_Input);
1223 		spll->pll_in_max =
1224 		    le16_to_cpu(firmware_info->info.usMaxEngineClockPLL_Input);
1225 
1226 		/* memory clock */
1227 		if (ASIC_IS_DCE4(rdev))
1228 			mpll->reference_freq =
1229 				le16_to_cpu(firmware_info->info_21.usMemoryReferenceClock);
1230 		else
1231 			mpll->reference_freq =
1232 				le16_to_cpu(firmware_info->info.usReferenceClock);
1233 		mpll->reference_div = 0;
1234 
1235 		mpll->pll_out_min =
1236 		    le16_to_cpu(firmware_info->info.usMinMemoryClockPLL_Output);
1237 		mpll->pll_out_max =
1238 		    le32_to_cpu(firmware_info->info.ulMaxMemoryClockPLL_Output);
1239 
1240 		/* ??? */
1241 		if (mpll->pll_out_min == 0) {
1242 			if (ASIC_IS_AVIVO(rdev))
1243 				mpll->pll_out_min = 64800;
1244 			else
1245 				mpll->pll_out_min = 20000;
1246 		}
1247 
1248 		mpll->pll_in_min =
1249 		    le16_to_cpu(firmware_info->info.usMinMemoryClockPLL_Input);
1250 		mpll->pll_in_max =
1251 		    le16_to_cpu(firmware_info->info.usMaxMemoryClockPLL_Input);
1252 
1253 		rdev->clock.default_sclk =
1254 		    le32_to_cpu(firmware_info->info.ulDefaultEngineClock);
1255 		rdev->clock.default_mclk =
1256 		    le32_to_cpu(firmware_info->info.ulDefaultMemoryClock);
1257 
1258 		if (ASIC_IS_DCE4(rdev)) {
1259 			rdev->clock.default_dispclk =
1260 				le32_to_cpu(firmware_info->info_21.ulDefaultDispEngineClkFreq);
1261 			if (rdev->clock.default_dispclk == 0) {
1262 				if (ASIC_IS_DCE6(rdev))
1263 					rdev->clock.default_dispclk = 60000; /* 600 Mhz */
1264 				else if (ASIC_IS_DCE5(rdev))
1265 					rdev->clock.default_dispclk = 54000; /* 540 Mhz */
1266 				else
1267 					rdev->clock.default_dispclk = 60000; /* 600 Mhz */
1268 			}
1269 			/* set a reasonable default for DP */
1270 			if (ASIC_IS_DCE6(rdev) && (rdev->clock.default_dispclk < 53900)) {
1271 				DRM_INFO("Changing default dispclk from %dMhz to 600Mhz\n",
1272 					 rdev->clock.default_dispclk / 100);
1273 				rdev->clock.default_dispclk = 60000;
1274 			}
1275 			rdev->clock.dp_extclk =
1276 				le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq);
1277 			rdev->clock.current_dispclk = rdev->clock.default_dispclk;
1278 		}
1279 		*dcpll = *p1pll;
1280 
1281 		rdev->clock.max_pixel_clock = le16_to_cpu(firmware_info->info.usMaxPixelClock);
1282 		if (rdev->clock.max_pixel_clock == 0)
1283 			rdev->clock.max_pixel_clock = 40000;
1284 
1285 		/* not technically a clock, but... */
1286 		rdev->mode_info.firmware_flags =
1287 			le16_to_cpu(firmware_info->info.usFirmwareCapability.susAccess);
1288 
1289 		if (ASIC_IS_DCE8(rdev))
1290 			rdev->clock.vco_freq =
1291 				le32_to_cpu(firmware_info->info_22.ulGPUPLL_OutputFreq);
1292 		else if (ASIC_IS_DCE5(rdev))
1293 			rdev->clock.vco_freq = rdev->clock.current_dispclk;
1294 		else if (ASIC_IS_DCE41(rdev))
1295 			radeon_atombios_get_dentist_vco_freq(rdev);
1296 		else
1297 			rdev->clock.vco_freq = rdev->clock.current_dispclk;
1298 
1299 		if (rdev->clock.vco_freq == 0)
1300 			rdev->clock.vco_freq = 360000;	/* 3.6 GHz */
1301 
1302 		return true;
1303 	}
1304 
1305 	return false;
1306 }
1307 
1308 bool radeon_atombios_sideport_present(struct radeon_device *rdev)
1309 {
1310 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1311 	int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
1312 	union igp_info *igp_info;
1313 	u8 frev, crev;
1314 	u16 data_offset;
1315 
1316 	/* sideport is AMD only */
1317 	if (rdev->family == CHIP_RS600)
1318 		return false;
1319 
1320 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1321 				   &frev, &crev, &data_offset)) {
1322 		igp_info = (union igp_info *)(mode_info->atom_context->bios +
1323 				      data_offset);
1324 		switch (crev) {
1325 		case 1:
1326 			if (le32_to_cpu(igp_info->info.ulBootUpMemoryClock))
1327 				return true;
1328 			break;
1329 		case 2:
1330 			if (le32_to_cpu(igp_info->info_2.ulBootUpSidePortClock))
1331 				return true;
1332 			break;
1333 		default:
1334 			DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
1335 			break;
1336 		}
1337 	}
1338 	return false;
1339 }
1340 
1341 bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
1342 				   struct radeon_encoder_int_tmds *tmds)
1343 {
1344 	struct drm_device *dev = encoder->base.dev;
1345 	struct radeon_device *rdev = dev->dev_private;
1346 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1347 	int index = GetIndexIntoMasterTable(DATA, TMDS_Info);
1348 	uint16_t data_offset;
1349 	struct _ATOM_TMDS_INFO *tmds_info;
1350 	uint8_t frev, crev;
1351 	uint16_t maxfreq;
1352 	int i;
1353 
1354 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1355 				   &frev, &crev, &data_offset)) {
1356 		tmds_info =
1357 			(struct _ATOM_TMDS_INFO *)(mode_info->atom_context->bios +
1358 						   data_offset);
1359 
1360 		maxfreq = le16_to_cpu(tmds_info->usMaxFrequency);
1361 		for (i = 0; i < 4; i++) {
1362 			tmds->tmds_pll[i].freq =
1363 			    le16_to_cpu(tmds_info->asMiscInfo[i].usFrequency);
1364 			tmds->tmds_pll[i].value =
1365 			    tmds_info->asMiscInfo[i].ucPLL_ChargePump & 0x3f;
1366 			tmds->tmds_pll[i].value |=
1367 			    (tmds_info->asMiscInfo[i].
1368 			     ucPLL_VCO_Gain & 0x3f) << 6;
1369 			tmds->tmds_pll[i].value |=
1370 			    (tmds_info->asMiscInfo[i].
1371 			     ucPLL_DutyCycle & 0xf) << 12;
1372 			tmds->tmds_pll[i].value |=
1373 			    (tmds_info->asMiscInfo[i].
1374 			     ucPLL_VoltageSwing & 0xf) << 16;
1375 
1376 			DRM_DEBUG_KMS("TMDS PLL From ATOMBIOS %u %x\n",
1377 				  tmds->tmds_pll[i].freq,
1378 				  tmds->tmds_pll[i].value);
1379 
1380 			if (maxfreq == tmds->tmds_pll[i].freq) {
1381 				tmds->tmds_pll[i].freq = 0xffffffff;
1382 				break;
1383 			}
1384 		}
1385 		return true;
1386 	}
1387 	return false;
1388 }
1389 
1390 bool radeon_atombios_get_ppll_ss_info(struct radeon_device *rdev,
1391 				      struct radeon_atom_ss *ss,
1392 				      int id)
1393 {
1394 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1395 	int index = GetIndexIntoMasterTable(DATA, PPLL_SS_Info);
1396 	uint16_t data_offset, size;
1397 	struct _ATOM_SPREAD_SPECTRUM_INFO *ss_info;
1398 	struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT *ss_assign;
1399 	uint8_t frev, crev;
1400 	int i, num_indices;
1401 
1402 	memset(ss, 0, sizeof(struct radeon_atom_ss));
1403 	if (atom_parse_data_header(mode_info->atom_context, index, &size,
1404 				   &frev, &crev, &data_offset)) {
1405 		ss_info =
1406 			(struct _ATOM_SPREAD_SPECTRUM_INFO *)(mode_info->atom_context->bios + data_offset);
1407 
1408 		num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
1409 			sizeof(ATOM_SPREAD_SPECTRUM_ASSIGNMENT);
1410 		ss_assign = (struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT*)
1411 			((u8 *)&ss_info->asSS_Info[0]);
1412 		for (i = 0; i < num_indices; i++) {
1413 			if (ss_assign->ucSS_Id == id) {
1414 				ss->percentage =
1415 					le16_to_cpu(ss_assign->usSpreadSpectrumPercentage);
1416 				ss->type = ss_assign->ucSpreadSpectrumType;
1417 				ss->step = ss_assign->ucSS_Step;
1418 				ss->delay = ss_assign->ucSS_Delay;
1419 				ss->range = ss_assign->ucSS_Range;
1420 				ss->refdiv = ss_assign->ucRecommendedRef_Div;
1421 				return true;
1422 			}
1423 			ss_assign = (struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT*)
1424 				((u8 *)ss_assign + sizeof(struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT));
1425 		}
1426 	}
1427 	return false;
1428 }
1429 
1430 static void radeon_atombios_get_igp_ss_overrides(struct radeon_device *rdev,
1431 						 struct radeon_atom_ss *ss,
1432 						 int id)
1433 {
1434 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1435 	int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
1436 	u16 data_offset, size;
1437 	union igp_info *igp_info;
1438 	u8 frev, crev;
1439 	u16 percentage = 0, rate = 0;
1440 
1441 	/* get any igp specific overrides */
1442 	if (atom_parse_data_header(mode_info->atom_context, index, &size,
1443 				   &frev, &crev, &data_offset)) {
1444 		igp_info = (union igp_info *)
1445 			(mode_info->atom_context->bios + data_offset);
1446 		switch (crev) {
1447 		case 6:
1448 			switch (id) {
1449 			case ASIC_INTERNAL_SS_ON_TMDS:
1450 				percentage = le16_to_cpu(igp_info->info_6.usDVISSPercentage);
1451 				rate = le16_to_cpu(igp_info->info_6.usDVISSpreadRateIn10Hz);
1452 				break;
1453 			case ASIC_INTERNAL_SS_ON_HDMI:
1454 				percentage = le16_to_cpu(igp_info->info_6.usHDMISSPercentage);
1455 				rate = le16_to_cpu(igp_info->info_6.usHDMISSpreadRateIn10Hz);
1456 				break;
1457 			case ASIC_INTERNAL_SS_ON_LVDS:
1458 				percentage = le16_to_cpu(igp_info->info_6.usLvdsSSPercentage);
1459 				rate = le16_to_cpu(igp_info->info_6.usLvdsSSpreadRateIn10Hz);
1460 				break;
1461 			}
1462 			break;
1463 		case 7:
1464 			switch (id) {
1465 			case ASIC_INTERNAL_SS_ON_TMDS:
1466 				percentage = le16_to_cpu(igp_info->info_7.usDVISSPercentage);
1467 				rate = le16_to_cpu(igp_info->info_7.usDVISSpreadRateIn10Hz);
1468 				break;
1469 			case ASIC_INTERNAL_SS_ON_HDMI:
1470 				percentage = le16_to_cpu(igp_info->info_7.usHDMISSPercentage);
1471 				rate = le16_to_cpu(igp_info->info_7.usHDMISSpreadRateIn10Hz);
1472 				break;
1473 			case ASIC_INTERNAL_SS_ON_LVDS:
1474 				percentage = le16_to_cpu(igp_info->info_7.usLvdsSSPercentage);
1475 				rate = le16_to_cpu(igp_info->info_7.usLvdsSSpreadRateIn10Hz);
1476 				break;
1477 			}
1478 			break;
1479 		case 8:
1480 			switch (id) {
1481 			case ASIC_INTERNAL_SS_ON_TMDS:
1482 				percentage = le16_to_cpu(igp_info->info_8.usDVISSPercentage);
1483 				rate = le16_to_cpu(igp_info->info_8.usDVISSpreadRateIn10Hz);
1484 				break;
1485 			case ASIC_INTERNAL_SS_ON_HDMI:
1486 				percentage = le16_to_cpu(igp_info->info_8.usHDMISSPercentage);
1487 				rate = le16_to_cpu(igp_info->info_8.usHDMISSpreadRateIn10Hz);
1488 				break;
1489 			case ASIC_INTERNAL_SS_ON_LVDS:
1490 				percentage = le16_to_cpu(igp_info->info_8.usLvdsSSPercentage);
1491 				rate = le16_to_cpu(igp_info->info_8.usLvdsSSpreadRateIn10Hz);
1492 				break;
1493 			}
1494 			break;
1495 		default:
1496 			DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
1497 			break;
1498 		}
1499 		if (percentage)
1500 			ss->percentage = percentage;
1501 		if (rate)
1502 			ss->rate = rate;
1503 	}
1504 }
1505 
1506 union asic_ss_info {
1507 	struct _ATOM_ASIC_INTERNAL_SS_INFO info;
1508 	struct _ATOM_ASIC_INTERNAL_SS_INFO_V2 info_2;
1509 	struct _ATOM_ASIC_INTERNAL_SS_INFO_V3 info_3;
1510 };
1511 
1512 union asic_ss_assignment {
1513 	struct _ATOM_ASIC_SS_ASSIGNMENT v1;
1514 	struct _ATOM_ASIC_SS_ASSIGNMENT_V2 v2;
1515 	struct _ATOM_ASIC_SS_ASSIGNMENT_V3 v3;
1516 };
1517 
1518 bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev,
1519 				      struct radeon_atom_ss *ss,
1520 				      int id, u32 clock)
1521 {
1522 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1523 	int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
1524 	uint16_t data_offset, size;
1525 	union asic_ss_info *ss_info;
1526 	union asic_ss_assignment *ss_assign;
1527 	uint8_t frev, crev;
1528 	int i, num_indices;
1529 
1530 	if (id == ASIC_INTERNAL_MEMORY_SS) {
1531 		if (!(rdev->mode_info.firmware_flags & ATOM_BIOS_INFO_MEMORY_CLOCK_SS_SUPPORT))
1532 			return false;
1533 	}
1534 	if (id == ASIC_INTERNAL_ENGINE_SS) {
1535 		if (!(rdev->mode_info.firmware_flags & ATOM_BIOS_INFO_ENGINE_CLOCK_SS_SUPPORT))
1536 			return false;
1537 	}
1538 
1539 	memset(ss, 0, sizeof(struct radeon_atom_ss));
1540 	if (atom_parse_data_header(mode_info->atom_context, index, &size,
1541 				   &frev, &crev, &data_offset)) {
1542 
1543 		ss_info =
1544 			(union asic_ss_info *)(mode_info->atom_context->bios + data_offset);
1545 
1546 		switch (frev) {
1547 		case 1:
1548 			num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
1549 				sizeof(ATOM_ASIC_SS_ASSIGNMENT);
1550 
1551 			ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info.asSpreadSpectrum[0]);
1552 			for (i = 0; i < num_indices; i++) {
1553 				if ((ss_assign->v1.ucClockIndication == id) &&
1554 				    (clock <= le32_to_cpu(ss_assign->v1.ulTargetClockRange))) {
1555 					ss->percentage =
1556 						le16_to_cpu(ss_assign->v1.usSpreadSpectrumPercentage);
1557 					ss->type = ss_assign->v1.ucSpreadSpectrumMode;
1558 					ss->rate = le16_to_cpu(ss_assign->v1.usSpreadRateInKhz);
1559 					ss->percentage_divider = 100;
1560 					return true;
1561 				}
1562 				ss_assign = (union asic_ss_assignment *)
1563 					((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT));
1564 			}
1565 			break;
1566 		case 2:
1567 			num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
1568 				sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2);
1569 			ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info_2.asSpreadSpectrum[0]);
1570 			for (i = 0; i < num_indices; i++) {
1571 				if ((ss_assign->v2.ucClockIndication == id) &&
1572 				    (clock <= le32_to_cpu(ss_assign->v2.ulTargetClockRange))) {
1573 					ss->percentage =
1574 						le16_to_cpu(ss_assign->v2.usSpreadSpectrumPercentage);
1575 					ss->type = ss_assign->v2.ucSpreadSpectrumMode;
1576 					ss->rate = le16_to_cpu(ss_assign->v2.usSpreadRateIn10Hz);
1577 					ss->percentage_divider = 100;
1578 					if ((crev == 2) &&
1579 					    ((id == ASIC_INTERNAL_ENGINE_SS) ||
1580 					     (id == ASIC_INTERNAL_MEMORY_SS)))
1581 						ss->rate /= 100;
1582 					return true;
1583 				}
1584 				ss_assign = (union asic_ss_assignment *)
1585 					((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2));
1586 			}
1587 			break;
1588 		case 3:
1589 			num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
1590 				sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3);
1591 			ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info_3.asSpreadSpectrum[0]);
1592 			for (i = 0; i < num_indices; i++) {
1593 				if ((ss_assign->v3.ucClockIndication == id) &&
1594 				    (clock <= le32_to_cpu(ss_assign->v3.ulTargetClockRange))) {
1595 					ss->percentage =
1596 						le16_to_cpu(ss_assign->v3.usSpreadSpectrumPercentage);
1597 					ss->type = ss_assign->v3.ucSpreadSpectrumMode;
1598 					ss->rate = le16_to_cpu(ss_assign->v3.usSpreadRateIn10Hz);
1599 					if (ss_assign->v3.ucSpreadSpectrumMode &
1600 					    SS_MODE_V3_PERCENTAGE_DIV_BY_1000_MASK)
1601 						ss->percentage_divider = 1000;
1602 					else
1603 						ss->percentage_divider = 100;
1604 					if ((id == ASIC_INTERNAL_ENGINE_SS) ||
1605 					    (id == ASIC_INTERNAL_MEMORY_SS))
1606 						ss->rate /= 100;
1607 					if (rdev->flags & RADEON_IS_IGP)
1608 						radeon_atombios_get_igp_ss_overrides(rdev, ss, id);
1609 					return true;
1610 				}
1611 				ss_assign = (union asic_ss_assignment *)
1612 					((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3));
1613 			}
1614 			break;
1615 		default:
1616 			DRM_ERROR("Unsupported ASIC_InternalSS_Info table: %d %d\n", frev, crev);
1617 			break;
1618 		}
1619 
1620 	}
1621 	return false;
1622 }
1623 
1624 union lvds_info {
1625 	struct _ATOM_LVDS_INFO info;
1626 	struct _ATOM_LVDS_INFO_V12 info_12;
1627 };
1628 
1629 struct radeon_encoder_atom_dig *radeon_atombios_get_lvds_info(struct
1630 							      radeon_encoder
1631 							      *encoder)
1632 {
1633 	struct drm_device *dev = encoder->base.dev;
1634 	struct radeon_device *rdev = dev->dev_private;
1635 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1636 	int index = GetIndexIntoMasterTable(DATA, LVDS_Info);
1637 	uint16_t data_offset, misc;
1638 	union lvds_info *lvds_info;
1639 	uint8_t frev, crev;
1640 	struct radeon_encoder_atom_dig *lvds = NULL;
1641 	int encoder_enum = (encoder->encoder_enum & ENUM_ID_MASK) >> ENUM_ID_SHIFT;
1642 
1643 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1644 				   &frev, &crev, &data_offset)) {
1645 		lvds_info =
1646 			(union lvds_info *)(mode_info->atom_context->bios + data_offset);
1647 		lvds =
1648 		    kzalloc(sizeof(struct radeon_encoder_atom_dig), GFP_KERNEL);
1649 
1650 		if (!lvds)
1651 			return NULL;
1652 
1653 		lvds->native_mode.clock =
1654 		    le16_to_cpu(lvds_info->info.sLCDTiming.usPixClk) * 10;
1655 		lvds->native_mode.hdisplay =
1656 		    le16_to_cpu(lvds_info->info.sLCDTiming.usHActive);
1657 		lvds->native_mode.vdisplay =
1658 		    le16_to_cpu(lvds_info->info.sLCDTiming.usVActive);
1659 		lvds->native_mode.htotal = lvds->native_mode.hdisplay +
1660 			le16_to_cpu(lvds_info->info.sLCDTiming.usHBlanking_Time);
1661 		lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
1662 			le16_to_cpu(lvds_info->info.sLCDTiming.usHSyncOffset);
1663 		lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
1664 			le16_to_cpu(lvds_info->info.sLCDTiming.usHSyncWidth);
1665 		lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
1666 			le16_to_cpu(lvds_info->info.sLCDTiming.usVBlanking_Time);
1667 		lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
1668 			le16_to_cpu(lvds_info->info.sLCDTiming.usVSyncOffset);
1669 		lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
1670 			le16_to_cpu(lvds_info->info.sLCDTiming.usVSyncWidth);
1671 		lvds->panel_pwr_delay =
1672 		    le16_to_cpu(lvds_info->info.usOffDelayInMs);
1673 		lvds->lcd_misc = lvds_info->info.ucLVDS_Misc;
1674 
1675 		misc = le16_to_cpu(lvds_info->info.sLCDTiming.susModeMiscInfo.usAccess);
1676 		if (misc & ATOM_VSYNC_POLARITY)
1677 			lvds->native_mode.flags |= DRM_MODE_FLAG_NVSYNC;
1678 		if (misc & ATOM_HSYNC_POLARITY)
1679 			lvds->native_mode.flags |= DRM_MODE_FLAG_NHSYNC;
1680 		if (misc & ATOM_COMPOSITESYNC)
1681 			lvds->native_mode.flags |= DRM_MODE_FLAG_CSYNC;
1682 		if (misc & ATOM_INTERLACE)
1683 			lvds->native_mode.flags |= DRM_MODE_FLAG_INTERLACE;
1684 		if (misc & ATOM_DOUBLE_CLOCK_MODE)
1685 			lvds->native_mode.flags |= DRM_MODE_FLAG_DBLSCAN;
1686 
1687 		lvds->native_mode.width_mm = le16_to_cpu(lvds_info->info.sLCDTiming.usImageHSize);
1688 		lvds->native_mode.height_mm = le16_to_cpu(lvds_info->info.sLCDTiming.usImageVSize);
1689 
1690 		/* set crtc values */
1691 		drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
1692 
1693 		lvds->lcd_ss_id = lvds_info->info.ucSS_Id;
1694 
1695 		encoder->native_mode = lvds->native_mode;
1696 
1697 		if (encoder_enum == 2)
1698 			lvds->linkb = true;
1699 		else
1700 			lvds->linkb = false;
1701 
1702 		/* parse the lcd record table */
1703 		if (le16_to_cpu(lvds_info->info.usModePatchTableOffset)) {
1704 			ATOM_FAKE_EDID_PATCH_RECORD *fake_edid_record;
1705 			ATOM_PANEL_RESOLUTION_PATCH_RECORD *panel_res_record;
1706 			bool bad_record = false;
1707 			u8 *record;
1708 
1709 			if ((frev == 1) && (crev < 2))
1710 				/* absolute */
1711 				record = (u8 *)(mode_info->atom_context->bios +
1712 						le16_to_cpu(lvds_info->info.usModePatchTableOffset));
1713 			else
1714 				/* relative */
1715 				record = (u8 *)(mode_info->atom_context->bios +
1716 						data_offset +
1717 						le16_to_cpu(lvds_info->info.usModePatchTableOffset));
1718 			while (*record != ATOM_RECORD_END_TYPE) {
1719 				switch (*record) {
1720 				case LCD_MODE_PATCH_RECORD_MODE_TYPE:
1721 					record += sizeof(ATOM_PATCH_RECORD_MODE);
1722 					break;
1723 				case LCD_RTS_RECORD_TYPE:
1724 					record += sizeof(ATOM_LCD_RTS_RECORD);
1725 					break;
1726 				case LCD_CAP_RECORD_TYPE:
1727 					record += sizeof(ATOM_LCD_MODE_CONTROL_CAP);
1728 					break;
1729 				case LCD_FAKE_EDID_PATCH_RECORD_TYPE:
1730 					fake_edid_record = (ATOM_FAKE_EDID_PATCH_RECORD *)record;
1731 					if (fake_edid_record->ucFakeEDIDLength) {
1732 						struct edid *edid;
1733 						int edid_size =
1734 							max((int)EDID_LENGTH, (int)fake_edid_record->ucFakeEDIDLength);
1735 						edid = kmalloc(edid_size, GFP_KERNEL);
1736 						if (edid) {
1737 							memcpy((u8 *)edid, (u8 *)&fake_edid_record->ucFakeEDIDString[0],
1738 							       fake_edid_record->ucFakeEDIDLength);
1739 
1740 							if (drm_edid_is_valid(edid)) {
1741 								rdev->mode_info.bios_hardcoded_edid = edid;
1742 								rdev->mode_info.bios_hardcoded_edid_size = edid_size;
1743 							} else
1744 								kfree(edid);
1745 						}
1746 					}
1747 					record += fake_edid_record->ucFakeEDIDLength ?
1748 						fake_edid_record->ucFakeEDIDLength + 2 :
1749 						sizeof(ATOM_FAKE_EDID_PATCH_RECORD);
1750 					break;
1751 				case LCD_PANEL_RESOLUTION_RECORD_TYPE:
1752 					panel_res_record = (ATOM_PANEL_RESOLUTION_PATCH_RECORD *)record;
1753 					lvds->native_mode.width_mm = panel_res_record->usHSize;
1754 					lvds->native_mode.height_mm = panel_res_record->usVSize;
1755 					record += sizeof(ATOM_PANEL_RESOLUTION_PATCH_RECORD);
1756 					break;
1757 				default:
1758 					DRM_ERROR("Bad LCD record %d\n", *record);
1759 					bad_record = true;
1760 					break;
1761 				}
1762 				if (bad_record)
1763 					break;
1764 			}
1765 		}
1766 	}
1767 	return lvds;
1768 }
1769 
1770 struct radeon_encoder_primary_dac *
1771 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder)
1772 {
1773 	struct drm_device *dev = encoder->base.dev;
1774 	struct radeon_device *rdev = dev->dev_private;
1775 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1776 	int index = GetIndexIntoMasterTable(DATA, CompassionateData);
1777 	uint16_t data_offset;
1778 	struct _COMPASSIONATE_DATA *dac_info;
1779 	uint8_t frev, crev;
1780 	uint8_t bg, dac;
1781 	struct radeon_encoder_primary_dac *p_dac = NULL;
1782 
1783 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1784 				   &frev, &crev, &data_offset)) {
1785 		dac_info = (struct _COMPASSIONATE_DATA *)
1786 			(mode_info->atom_context->bios + data_offset);
1787 
1788 		p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac), GFP_KERNEL);
1789 
1790 		if (!p_dac)
1791 			return NULL;
1792 
1793 		bg = dac_info->ucDAC1_BG_Adjustment;
1794 		dac = dac_info->ucDAC1_DAC_Adjustment;
1795 		p_dac->ps2_pdac_adj = (bg << 8) | (dac);
1796 
1797 	}
1798 	return p_dac;
1799 }
1800 
1801 bool radeon_atom_get_tv_timings(struct radeon_device *rdev, int index,
1802 				struct drm_display_mode *mode)
1803 {
1804 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1805 	ATOM_ANALOG_TV_INFO *tv_info;
1806 	ATOM_ANALOG_TV_INFO_V1_2 *tv_info_v1_2;
1807 	ATOM_DTD_FORMAT *dtd_timings;
1808 	int data_index = GetIndexIntoMasterTable(DATA, AnalogTV_Info);
1809 	u8 frev, crev;
1810 	u16 data_offset, misc;
1811 
1812 	if (!atom_parse_data_header(mode_info->atom_context, data_index, NULL,
1813 				    &frev, &crev, &data_offset))
1814 		return false;
1815 
1816 	switch (crev) {
1817 	case 1:
1818 		tv_info = (ATOM_ANALOG_TV_INFO *)(mode_info->atom_context->bios + data_offset);
1819 		if (index >= MAX_SUPPORTED_TV_TIMING)
1820 			return false;
1821 
1822 		mode->crtc_htotal = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_Total);
1823 		mode->crtc_hdisplay = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_Disp);
1824 		mode->crtc_hsync_start = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_SyncStart);
1825 		mode->crtc_hsync_end = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_SyncStart) +
1826 			le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_SyncWidth);
1827 
1828 		mode->crtc_vtotal = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_Total);
1829 		mode->crtc_vdisplay = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_Disp);
1830 		mode->crtc_vsync_start = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_SyncStart);
1831 		mode->crtc_vsync_end = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_SyncStart) +
1832 			le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_SyncWidth);
1833 
1834 		mode->flags = 0;
1835 		misc = le16_to_cpu(tv_info->aModeTimings[index].susModeMiscInfo.usAccess);
1836 		if (misc & ATOM_VSYNC_POLARITY)
1837 			mode->flags |= DRM_MODE_FLAG_NVSYNC;
1838 		if (misc & ATOM_HSYNC_POLARITY)
1839 			mode->flags |= DRM_MODE_FLAG_NHSYNC;
1840 		if (misc & ATOM_COMPOSITESYNC)
1841 			mode->flags |= DRM_MODE_FLAG_CSYNC;
1842 		if (misc & ATOM_INTERLACE)
1843 			mode->flags |= DRM_MODE_FLAG_INTERLACE;
1844 		if (misc & ATOM_DOUBLE_CLOCK_MODE)
1845 			mode->flags |= DRM_MODE_FLAG_DBLSCAN;
1846 
1847 		mode->crtc_clock = mode->clock =
1848 			le16_to_cpu(tv_info->aModeTimings[index].usPixelClock) * 10;
1849 
1850 		if (index == 1) {
1851 			/* PAL timings appear to have wrong values for totals */
1852 			mode->crtc_htotal -= 1;
1853 			mode->crtc_vtotal -= 1;
1854 		}
1855 		break;
1856 	case 2:
1857 		tv_info_v1_2 = (ATOM_ANALOG_TV_INFO_V1_2 *)(mode_info->atom_context->bios + data_offset);
1858 		if (index >= MAX_SUPPORTED_TV_TIMING_V1_2)
1859 			return false;
1860 
1861 		dtd_timings = &tv_info_v1_2->aModeTimings[index];
1862 		mode->crtc_htotal = le16_to_cpu(dtd_timings->usHActive) +
1863 			le16_to_cpu(dtd_timings->usHBlanking_Time);
1864 		mode->crtc_hdisplay = le16_to_cpu(dtd_timings->usHActive);
1865 		mode->crtc_hsync_start = le16_to_cpu(dtd_timings->usHActive) +
1866 			le16_to_cpu(dtd_timings->usHSyncOffset);
1867 		mode->crtc_hsync_end = mode->crtc_hsync_start +
1868 			le16_to_cpu(dtd_timings->usHSyncWidth);
1869 
1870 		mode->crtc_vtotal = le16_to_cpu(dtd_timings->usVActive) +
1871 			le16_to_cpu(dtd_timings->usVBlanking_Time);
1872 		mode->crtc_vdisplay = le16_to_cpu(dtd_timings->usVActive);
1873 		mode->crtc_vsync_start = le16_to_cpu(dtd_timings->usVActive) +
1874 			le16_to_cpu(dtd_timings->usVSyncOffset);
1875 		mode->crtc_vsync_end = mode->crtc_vsync_start +
1876 			le16_to_cpu(dtd_timings->usVSyncWidth);
1877 
1878 		mode->flags = 0;
1879 		misc = le16_to_cpu(dtd_timings->susModeMiscInfo.usAccess);
1880 		if (misc & ATOM_VSYNC_POLARITY)
1881 			mode->flags |= DRM_MODE_FLAG_NVSYNC;
1882 		if (misc & ATOM_HSYNC_POLARITY)
1883 			mode->flags |= DRM_MODE_FLAG_NHSYNC;
1884 		if (misc & ATOM_COMPOSITESYNC)
1885 			mode->flags |= DRM_MODE_FLAG_CSYNC;
1886 		if (misc & ATOM_INTERLACE)
1887 			mode->flags |= DRM_MODE_FLAG_INTERLACE;
1888 		if (misc & ATOM_DOUBLE_CLOCK_MODE)
1889 			mode->flags |= DRM_MODE_FLAG_DBLSCAN;
1890 
1891 		mode->crtc_clock = mode->clock =
1892 			le16_to_cpu(dtd_timings->usPixClk) * 10;
1893 		break;
1894 	}
1895 	return true;
1896 }
1897 
1898 enum radeon_tv_std
1899 radeon_atombios_get_tv_info(struct radeon_device *rdev)
1900 {
1901 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1902 	int index = GetIndexIntoMasterTable(DATA, AnalogTV_Info);
1903 	uint16_t data_offset;
1904 	uint8_t frev, crev;
1905 	struct _ATOM_ANALOG_TV_INFO *tv_info;
1906 	enum radeon_tv_std tv_std = TV_STD_NTSC;
1907 
1908 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1909 				   &frev, &crev, &data_offset)) {
1910 
1911 		tv_info = (struct _ATOM_ANALOG_TV_INFO *)
1912 			(mode_info->atom_context->bios + data_offset);
1913 
1914 		switch (tv_info->ucTV_BootUpDefaultStandard) {
1915 		case ATOM_TV_NTSC:
1916 			tv_std = TV_STD_NTSC;
1917 			DRM_DEBUG_KMS("Default TV standard: NTSC\n");
1918 			break;
1919 		case ATOM_TV_NTSCJ:
1920 			tv_std = TV_STD_NTSC_J;
1921 			DRM_DEBUG_KMS("Default TV standard: NTSC-J\n");
1922 			break;
1923 		case ATOM_TV_PAL:
1924 			tv_std = TV_STD_PAL;
1925 			DRM_DEBUG_KMS("Default TV standard: PAL\n");
1926 			break;
1927 		case ATOM_TV_PALM:
1928 			tv_std = TV_STD_PAL_M;
1929 			DRM_DEBUG_KMS("Default TV standard: PAL-M\n");
1930 			break;
1931 		case ATOM_TV_PALN:
1932 			tv_std = TV_STD_PAL_N;
1933 			DRM_DEBUG_KMS("Default TV standard: PAL-N\n");
1934 			break;
1935 		case ATOM_TV_PALCN:
1936 			tv_std = TV_STD_PAL_CN;
1937 			DRM_DEBUG_KMS("Default TV standard: PAL-CN\n");
1938 			break;
1939 		case ATOM_TV_PAL60:
1940 			tv_std = TV_STD_PAL_60;
1941 			DRM_DEBUG_KMS("Default TV standard: PAL-60\n");
1942 			break;
1943 		case ATOM_TV_SECAM:
1944 			tv_std = TV_STD_SECAM;
1945 			DRM_DEBUG_KMS("Default TV standard: SECAM\n");
1946 			break;
1947 		default:
1948 			tv_std = TV_STD_NTSC;
1949 			DRM_DEBUG_KMS("Unknown TV standard; defaulting to NTSC\n");
1950 			break;
1951 		}
1952 	}
1953 	return tv_std;
1954 }
1955 
1956 struct radeon_encoder_tv_dac *
1957 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder)
1958 {
1959 	struct drm_device *dev = encoder->base.dev;
1960 	struct radeon_device *rdev = dev->dev_private;
1961 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1962 	int index = GetIndexIntoMasterTable(DATA, CompassionateData);
1963 	uint16_t data_offset;
1964 	struct _COMPASSIONATE_DATA *dac_info;
1965 	uint8_t frev, crev;
1966 	uint8_t bg, dac;
1967 	struct radeon_encoder_tv_dac *tv_dac = NULL;
1968 
1969 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1970 				   &frev, &crev, &data_offset)) {
1971 
1972 		dac_info = (struct _COMPASSIONATE_DATA *)
1973 			(mode_info->atom_context->bios + data_offset);
1974 
1975 		tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
1976 
1977 		if (!tv_dac)
1978 			return NULL;
1979 
1980 		bg = dac_info->ucDAC2_CRT2_BG_Adjustment;
1981 		dac = dac_info->ucDAC2_CRT2_DAC_Adjustment;
1982 		tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1983 
1984 		bg = dac_info->ucDAC2_PAL_BG_Adjustment;
1985 		dac = dac_info->ucDAC2_PAL_DAC_Adjustment;
1986 		tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1987 
1988 		bg = dac_info->ucDAC2_NTSC_BG_Adjustment;
1989 		dac = dac_info->ucDAC2_NTSC_DAC_Adjustment;
1990 		tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1991 
1992 		tv_dac->tv_std = radeon_atombios_get_tv_info(rdev);
1993 	}
1994 	return tv_dac;
1995 }
1996 
1997 static const char *thermal_controller_names[] = {
1998 	"NONE",
1999 	"lm63",
2000 	"adm1032",
2001 	"adm1030",
2002 	"max6649",
2003 	"lm63", /* lm64 */
2004 	"f75375",
2005 	"asc7xxx",
2006 };
2007 
2008 static const char *pp_lib_thermal_controller_names[] = {
2009 	"NONE",
2010 	"lm63",
2011 	"adm1032",
2012 	"adm1030",
2013 	"max6649",
2014 	"lm63", /* lm64 */
2015 	"f75375",
2016 	"RV6xx",
2017 	"RV770",
2018 	"adt7473",
2019 	"NONE",
2020 	"External GPIO",
2021 	"Evergreen",
2022 	"emc2103",
2023 	"Sumo",
2024 	"Northern Islands",
2025 	"Southern Islands",
2026 	"lm96163",
2027 	"Sea Islands",
2028 };
2029 
2030 union power_info {
2031 	struct _ATOM_POWERPLAY_INFO info;
2032 	struct _ATOM_POWERPLAY_INFO_V2 info_2;
2033 	struct _ATOM_POWERPLAY_INFO_V3 info_3;
2034 	struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
2035 	struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
2036 	struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
2037 };
2038 
2039 union pplib_clock_info {
2040 	struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
2041 	struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
2042 	struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
2043 	struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
2044 	struct _ATOM_PPLIB_SI_CLOCK_INFO si;
2045 	struct _ATOM_PPLIB_CI_CLOCK_INFO ci;
2046 };
2047 
2048 union pplib_power_state {
2049 	struct _ATOM_PPLIB_STATE v1;
2050 	struct _ATOM_PPLIB_STATE_V2 v2;
2051 };
2052 
2053 static void radeon_atombios_parse_misc_flags_1_3(struct radeon_device *rdev,
2054 						 int state_index,
2055 						 u32 misc, u32 misc2)
2056 {
2057 	rdev->pm.power_state[state_index].misc = misc;
2058 	rdev->pm.power_state[state_index].misc2 = misc2;
2059 	/* order matters! */
2060 	if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
2061 		rdev->pm.power_state[state_index].type =
2062 			POWER_STATE_TYPE_POWERSAVE;
2063 	if (misc & ATOM_PM_MISCINFO_DEFAULT_DC_STATE_ENTRY_TRUE)
2064 		rdev->pm.power_state[state_index].type =
2065 			POWER_STATE_TYPE_BATTERY;
2066 	if (misc & ATOM_PM_MISCINFO_DEFAULT_LOW_DC_STATE_ENTRY_TRUE)
2067 		rdev->pm.power_state[state_index].type =
2068 			POWER_STATE_TYPE_BATTERY;
2069 	if (misc & ATOM_PM_MISCINFO_LOAD_BALANCE_EN)
2070 		rdev->pm.power_state[state_index].type =
2071 			POWER_STATE_TYPE_BALANCED;
2072 	if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN) {
2073 		rdev->pm.power_state[state_index].type =
2074 			POWER_STATE_TYPE_PERFORMANCE;
2075 		rdev->pm.power_state[state_index].flags &=
2076 			~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2077 	}
2078 	if (misc2 & ATOM_PM_MISCINFO2_SYSTEM_AC_LITE_MODE)
2079 		rdev->pm.power_state[state_index].type =
2080 			POWER_STATE_TYPE_BALANCED;
2081 	if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
2082 		rdev->pm.power_state[state_index].type =
2083 			POWER_STATE_TYPE_DEFAULT;
2084 		rdev->pm.default_power_state_index = state_index;
2085 		rdev->pm.power_state[state_index].default_clock_mode =
2086 			&rdev->pm.power_state[state_index].clock_info[0];
2087 	} else if (state_index == 0) {
2088 		rdev->pm.power_state[state_index].clock_info[0].flags |=
2089 			RADEON_PM_MODE_NO_DISPLAY;
2090 	}
2091 }
2092 
2093 static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev)
2094 {
2095 	struct radeon_mode_info *mode_info = &rdev->mode_info;
2096 	u32 misc, misc2 = 0;
2097 	int num_modes = 0, i;
2098 	int state_index = 0;
2099 	struct radeon_i2c_bus_rec i2c_bus;
2100 	union power_info *power_info;
2101 	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
2102 	u16 data_offset;
2103 	u8 frev, crev;
2104 
2105 	if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
2106 				   &frev, &crev, &data_offset))
2107 		return state_index;
2108 	power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
2109 
2110 	/* add the i2c bus for thermal/fan chip */
2111 	if ((power_info->info.ucOverdriveThermalController > 0) &&
2112 	    (power_info->info.ucOverdriveThermalController < ARRAY_SIZE(thermal_controller_names))) {
2113 		DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2114 			 thermal_controller_names[power_info->info.ucOverdriveThermalController],
2115 			 power_info->info.ucOverdriveControllerAddress >> 1);
2116 		i2c_bus = radeon_lookup_i2c_gpio(rdev, power_info->info.ucOverdriveI2cLine);
2117 		rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2118 		if (rdev->pm.i2c_bus) {
2119 			struct i2c_board_info info = { };
2120 			const char *name = thermal_controller_names[power_info->info.
2121 								    ucOverdriveThermalController];
2122 			info.addr = power_info->info.ucOverdriveControllerAddress >> 1;
2123 			strlcpy(info.type, name, sizeof(info.type));
2124 			i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
2125 		}
2126 	}
2127 	num_modes = power_info->info.ucNumOfPowerModeEntries;
2128 	if (num_modes > ATOM_MAX_NUMBEROF_POWER_BLOCK)
2129 		num_modes = ATOM_MAX_NUMBEROF_POWER_BLOCK;
2130 	if (num_modes == 0)
2131 		return state_index;
2132 	rdev->pm.power_state = kcalloc(num_modes,
2133 				       sizeof(struct radeon_power_state),
2134 				       GFP_KERNEL);
2135 	if (!rdev->pm.power_state)
2136 		return state_index;
2137 	/* last mode is usually default, array is low to high */
2138 	for (i = 0; i < num_modes; i++) {
2139 		rdev->pm.power_state[state_index].clock_info =
2140 			kcalloc(1, sizeof(struct radeon_pm_clock_info),
2141 				GFP_KERNEL);
2142 		if (!rdev->pm.power_state[state_index].clock_info)
2143 			return state_index;
2144 		rdev->pm.power_state[state_index].num_clock_modes = 1;
2145 		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2146 		switch (frev) {
2147 		case 1:
2148 			rdev->pm.power_state[state_index].clock_info[0].mclk =
2149 				le16_to_cpu(power_info->info.asPowerPlayInfo[i].usMemoryClock);
2150 			rdev->pm.power_state[state_index].clock_info[0].sclk =
2151 				le16_to_cpu(power_info->info.asPowerPlayInfo[i].usEngineClock);
2152 			/* skip invalid modes */
2153 			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2154 			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2155 				continue;
2156 			rdev->pm.power_state[state_index].pcie_lanes =
2157 				power_info->info.asPowerPlayInfo[i].ucNumPciELanes;
2158 			misc = le32_to_cpu(power_info->info.asPowerPlayInfo[i].ulMiscInfo);
2159 			if ((misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) ||
2160 			    (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)) {
2161 				rdev->pm.power_state[state_index].clock_info[0].voltage.type =
2162 					VOLTAGE_GPIO;
2163 				rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
2164 					radeon_atombios_lookup_gpio(rdev,
2165 							   power_info->info.asPowerPlayInfo[i].ucVoltageDropIndex);
2166 				if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)
2167 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2168 						true;
2169 				else
2170 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2171 						false;
2172 			} else if (misc & ATOM_PM_MISCINFO_PROGRAM_VOLTAGE) {
2173 				rdev->pm.power_state[state_index].clock_info[0].voltage.type =
2174 					VOLTAGE_VDDC;
2175 				rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
2176 					power_info->info.asPowerPlayInfo[i].ucVoltageDropIndex;
2177 			}
2178 			rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2179 			radeon_atombios_parse_misc_flags_1_3(rdev, state_index, misc, 0);
2180 			state_index++;
2181 			break;
2182 		case 2:
2183 			rdev->pm.power_state[state_index].clock_info[0].mclk =
2184 				le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMemoryClock);
2185 			rdev->pm.power_state[state_index].clock_info[0].sclk =
2186 				le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulEngineClock);
2187 			/* skip invalid modes */
2188 			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2189 			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2190 				continue;
2191 			rdev->pm.power_state[state_index].pcie_lanes =
2192 				power_info->info_2.asPowerPlayInfo[i].ucNumPciELanes;
2193 			misc = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo);
2194 			misc2 = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo2);
2195 			if ((misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) ||
2196 			    (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)) {
2197 				rdev->pm.power_state[state_index].clock_info[0].voltage.type =
2198 					VOLTAGE_GPIO;
2199 				rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
2200 					radeon_atombios_lookup_gpio(rdev,
2201 							   power_info->info_2.asPowerPlayInfo[i].ucVoltageDropIndex);
2202 				if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)
2203 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2204 						true;
2205 				else
2206 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2207 						false;
2208 			} else if (misc & ATOM_PM_MISCINFO_PROGRAM_VOLTAGE) {
2209 				rdev->pm.power_state[state_index].clock_info[0].voltage.type =
2210 					VOLTAGE_VDDC;
2211 				rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
2212 					power_info->info_2.asPowerPlayInfo[i].ucVoltageDropIndex;
2213 			}
2214 			rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2215 			radeon_atombios_parse_misc_flags_1_3(rdev, state_index, misc, misc2);
2216 			state_index++;
2217 			break;
2218 		case 3:
2219 			rdev->pm.power_state[state_index].clock_info[0].mclk =
2220 				le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMemoryClock);
2221 			rdev->pm.power_state[state_index].clock_info[0].sclk =
2222 				le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulEngineClock);
2223 			/* skip invalid modes */
2224 			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2225 			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2226 				continue;
2227 			rdev->pm.power_state[state_index].pcie_lanes =
2228 				power_info->info_3.asPowerPlayInfo[i].ucNumPciELanes;
2229 			misc = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo);
2230 			misc2 = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo2);
2231 			if ((misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) ||
2232 			    (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)) {
2233 				rdev->pm.power_state[state_index].clock_info[0].voltage.type =
2234 					VOLTAGE_GPIO;
2235 				rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
2236 					radeon_atombios_lookup_gpio(rdev,
2237 							   power_info->info_3.asPowerPlayInfo[i].ucVoltageDropIndex);
2238 				if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)
2239 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2240 						true;
2241 				else
2242 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2243 						false;
2244 			} else if (misc & ATOM_PM_MISCINFO_PROGRAM_VOLTAGE) {
2245 				rdev->pm.power_state[state_index].clock_info[0].voltage.type =
2246 					VOLTAGE_VDDC;
2247 				rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
2248 					power_info->info_3.asPowerPlayInfo[i].ucVoltageDropIndex;
2249 				if (misc2 & ATOM_PM_MISCINFO2_VDDCI_DYNAMIC_VOLTAGE_EN) {
2250 					rdev->pm.power_state[state_index].clock_info[0].voltage.vddci_enabled =
2251 						true;
2252 					rdev->pm.power_state[state_index].clock_info[0].voltage.vddci_id =
2253 						power_info->info_3.asPowerPlayInfo[i].ucVDDCI_VoltageDropIndex;
2254 				}
2255 			}
2256 			rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2257 			radeon_atombios_parse_misc_flags_1_3(rdev, state_index, misc, misc2);
2258 			state_index++;
2259 			break;
2260 		}
2261 	}
2262 	/* last mode is usually default */
2263 	if (rdev->pm.default_power_state_index == -1) {
2264 		rdev->pm.power_state[state_index - 1].type =
2265 			POWER_STATE_TYPE_DEFAULT;
2266 		rdev->pm.default_power_state_index = state_index - 1;
2267 		rdev->pm.power_state[state_index - 1].default_clock_mode =
2268 			&rdev->pm.power_state[state_index - 1].clock_info[0];
2269 		rdev->pm.power_state[state_index].flags &=
2270 			~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2271 		rdev->pm.power_state[state_index].misc = 0;
2272 		rdev->pm.power_state[state_index].misc2 = 0;
2273 	}
2274 	return state_index;
2275 }
2276 
2277 static void radeon_atombios_add_pplib_thermal_controller(struct radeon_device *rdev,
2278 							 ATOM_PPLIB_THERMALCONTROLLER *controller)
2279 {
2280 	struct radeon_i2c_bus_rec i2c_bus;
2281 
2282 	/* add the i2c bus for thermal/fan chip */
2283 	if (controller->ucType > 0) {
2284 		if (controller->ucFanParameters & ATOM_PP_FANPARAMETERS_NOFAN)
2285 			rdev->pm.no_fan = true;
2286 		rdev->pm.fan_pulses_per_revolution =
2287 			controller->ucFanParameters & ATOM_PP_FANPARAMETERS_TACHOMETER_PULSES_PER_REVOLUTION_MASK;
2288 		if (rdev->pm.fan_pulses_per_revolution) {
2289 			rdev->pm.fan_min_rpm = controller->ucFanMinRPM;
2290 			rdev->pm.fan_max_rpm = controller->ucFanMaxRPM;
2291 		}
2292 		if (controller->ucType == ATOM_PP_THERMALCONTROLLER_RV6xx) {
2293 			DRM_INFO("Internal thermal controller %s fan control\n",
2294 				 (controller->ucFanParameters &
2295 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2296 			rdev->pm.int_thermal_type = THERMAL_TYPE_RV6XX;
2297 		} else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_RV770) {
2298 			DRM_INFO("Internal thermal controller %s fan control\n",
2299 				 (controller->ucFanParameters &
2300 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2301 			rdev->pm.int_thermal_type = THERMAL_TYPE_RV770;
2302 		} else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_EVERGREEN) {
2303 			DRM_INFO("Internal thermal controller %s fan control\n",
2304 				 (controller->ucFanParameters &
2305 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2306 			rdev->pm.int_thermal_type = THERMAL_TYPE_EVERGREEN;
2307 		} else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_SUMO) {
2308 			DRM_INFO("Internal thermal controller %s fan control\n",
2309 				 (controller->ucFanParameters &
2310 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2311 			rdev->pm.int_thermal_type = THERMAL_TYPE_SUMO;
2312 		} else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_NISLANDS) {
2313 			DRM_INFO("Internal thermal controller %s fan control\n",
2314 				 (controller->ucFanParameters &
2315 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2316 			rdev->pm.int_thermal_type = THERMAL_TYPE_NI;
2317 		} else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_SISLANDS) {
2318 			DRM_INFO("Internal thermal controller %s fan control\n",
2319 				 (controller->ucFanParameters &
2320 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2321 			rdev->pm.int_thermal_type = THERMAL_TYPE_SI;
2322 		} else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_CISLANDS) {
2323 			DRM_INFO("Internal thermal controller %s fan control\n",
2324 				 (controller->ucFanParameters &
2325 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2326 			rdev->pm.int_thermal_type = THERMAL_TYPE_CI;
2327 		} else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_KAVERI) {
2328 			DRM_INFO("Internal thermal controller %s fan control\n",
2329 				 (controller->ucFanParameters &
2330 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2331 			rdev->pm.int_thermal_type = THERMAL_TYPE_KV;
2332 		} else if (controller->ucType ==
2333 			   ATOM_PP_THERMALCONTROLLER_EXTERNAL_GPIO) {
2334 			DRM_INFO("External GPIO thermal controller %s fan control\n",
2335 				 (controller->ucFanParameters &
2336 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2337 			rdev->pm.int_thermal_type = THERMAL_TYPE_EXTERNAL_GPIO;
2338 		} else if (controller->ucType ==
2339 			   ATOM_PP_THERMALCONTROLLER_ADT7473_WITH_INTERNAL) {
2340 			DRM_INFO("ADT7473 with internal thermal controller %s fan control\n",
2341 				 (controller->ucFanParameters &
2342 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2343 			rdev->pm.int_thermal_type = THERMAL_TYPE_ADT7473_WITH_INTERNAL;
2344 		} else if (controller->ucType ==
2345 			   ATOM_PP_THERMALCONTROLLER_EMC2103_WITH_INTERNAL) {
2346 			DRM_INFO("EMC2103 with internal thermal controller %s fan control\n",
2347 				 (controller->ucFanParameters &
2348 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2349 			rdev->pm.int_thermal_type = THERMAL_TYPE_EMC2103_WITH_INTERNAL;
2350 		} else if (controller->ucType < ARRAY_SIZE(pp_lib_thermal_controller_names)) {
2351 			DRM_INFO("Possible %s thermal controller at 0x%02x %s fan control\n",
2352 				 pp_lib_thermal_controller_names[controller->ucType],
2353 				 controller->ucI2cAddress >> 1,
2354 				 (controller->ucFanParameters &
2355 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2356 			rdev->pm.int_thermal_type = THERMAL_TYPE_EXTERNAL;
2357 			i2c_bus = radeon_lookup_i2c_gpio(rdev, controller->ucI2cLine);
2358 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2359 			if (rdev->pm.i2c_bus) {
2360 				struct i2c_board_info info = { };
2361 				const char *name = pp_lib_thermal_controller_names[controller->ucType];
2362 				info.addr = controller->ucI2cAddress >> 1;
2363 				strlcpy(info.type, name, sizeof(info.type));
2364 				i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
2365 			}
2366 		} else {
2367 			DRM_INFO("Unknown thermal controller type %d at 0x%02x %s fan control\n",
2368 				 controller->ucType,
2369 				 controller->ucI2cAddress >> 1,
2370 				 (controller->ucFanParameters &
2371 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2372 		}
2373 	}
2374 }
2375 
2376 void radeon_atombios_get_default_voltages(struct radeon_device *rdev,
2377 					  u16 *vddc, u16 *vddci, u16 *mvdd)
2378 {
2379 	struct radeon_mode_info *mode_info = &rdev->mode_info;
2380 	int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
2381 	u8 frev, crev;
2382 	u16 data_offset;
2383 	union firmware_info *firmware_info;
2384 
2385 	*vddc = 0;
2386 	*vddci = 0;
2387 	*mvdd = 0;
2388 
2389 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
2390 				   &frev, &crev, &data_offset)) {
2391 		firmware_info =
2392 			(union firmware_info *)(mode_info->atom_context->bios +
2393 						data_offset);
2394 		*vddc = le16_to_cpu(firmware_info->info_14.usBootUpVDDCVoltage);
2395 		if ((frev == 2) && (crev >= 2)) {
2396 			*vddci = le16_to_cpu(firmware_info->info_22.usBootUpVDDCIVoltage);
2397 			*mvdd = le16_to_cpu(firmware_info->info_22.usBootUpMVDDCVoltage);
2398 		}
2399 	}
2400 }
2401 
2402 static void radeon_atombios_parse_pplib_non_clock_info(struct radeon_device *rdev,
2403 						       int state_index, int mode_index,
2404 						       struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info)
2405 {
2406 	int j;
2407 	u32 misc = le32_to_cpu(non_clock_info->ulCapsAndSettings);
2408 	u32 misc2 = le16_to_cpu(non_clock_info->usClassification);
2409 	u16 vddc, vddci, mvdd;
2410 
2411 	radeon_atombios_get_default_voltages(rdev, &vddc, &vddci, &mvdd);
2412 
2413 	rdev->pm.power_state[state_index].misc = misc;
2414 	rdev->pm.power_state[state_index].misc2 = misc2;
2415 	rdev->pm.power_state[state_index].pcie_lanes =
2416 		((misc & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >>
2417 		 ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT) + 1;
2418 	switch (misc2 & ATOM_PPLIB_CLASSIFICATION_UI_MASK) {
2419 	case ATOM_PPLIB_CLASSIFICATION_UI_BATTERY:
2420 		rdev->pm.power_state[state_index].type =
2421 			POWER_STATE_TYPE_BATTERY;
2422 		break;
2423 	case ATOM_PPLIB_CLASSIFICATION_UI_BALANCED:
2424 		rdev->pm.power_state[state_index].type =
2425 			POWER_STATE_TYPE_BALANCED;
2426 		break;
2427 	case ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE:
2428 		rdev->pm.power_state[state_index].type =
2429 			POWER_STATE_TYPE_PERFORMANCE;
2430 		break;
2431 	case ATOM_PPLIB_CLASSIFICATION_UI_NONE:
2432 		if (misc2 & ATOM_PPLIB_CLASSIFICATION_3DPERFORMANCE)
2433 			rdev->pm.power_state[state_index].type =
2434 				POWER_STATE_TYPE_PERFORMANCE;
2435 		break;
2436 	}
2437 	rdev->pm.power_state[state_index].flags = 0;
2438 	if (misc & ATOM_PPLIB_SINGLE_DISPLAY_ONLY)
2439 		rdev->pm.power_state[state_index].flags |=
2440 			RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2441 	if (misc2 & ATOM_PPLIB_CLASSIFICATION_BOOT) {
2442 		rdev->pm.power_state[state_index].type =
2443 			POWER_STATE_TYPE_DEFAULT;
2444 		rdev->pm.default_power_state_index = state_index;
2445 		rdev->pm.power_state[state_index].default_clock_mode =
2446 			&rdev->pm.power_state[state_index].clock_info[mode_index - 1];
2447 		if ((rdev->family >= CHIP_BARTS) && !(rdev->flags & RADEON_IS_IGP)) {
2448 			/* NI chips post without MC ucode, so default clocks are strobe mode only */
2449 			rdev->pm.default_sclk = rdev->pm.power_state[state_index].clock_info[0].sclk;
2450 			rdev->pm.default_mclk = rdev->pm.power_state[state_index].clock_info[0].mclk;
2451 			rdev->pm.default_vddc = rdev->pm.power_state[state_index].clock_info[0].voltage.voltage;
2452 			rdev->pm.default_vddci = rdev->pm.power_state[state_index].clock_info[0].voltage.vddci;
2453 		} else {
2454 			u16 max_vddci = 0;
2455 
2456 			if (ASIC_IS_DCE4(rdev))
2457 				radeon_atom_get_max_voltage(rdev,
2458 							    SET_VOLTAGE_TYPE_ASIC_VDDCI,
2459 							    &max_vddci);
2460 			/* patch the table values with the default sclk/mclk from firmware info */
2461 			for (j = 0; j < mode_index; j++) {
2462 				rdev->pm.power_state[state_index].clock_info[j].mclk =
2463 					rdev->clock.default_mclk;
2464 				rdev->pm.power_state[state_index].clock_info[j].sclk =
2465 					rdev->clock.default_sclk;
2466 				if (vddc)
2467 					rdev->pm.power_state[state_index].clock_info[j].voltage.voltage =
2468 						vddc;
2469 				if (max_vddci)
2470 					rdev->pm.power_state[state_index].clock_info[j].voltage.vddci =
2471 						max_vddci;
2472 			}
2473 		}
2474 	}
2475 }
2476 
2477 static bool radeon_atombios_parse_pplib_clock_info(struct radeon_device *rdev,
2478 						   int state_index, int mode_index,
2479 						   union pplib_clock_info *clock_info)
2480 {
2481 	u32 sclk, mclk;
2482 	u16 vddc;
2483 
2484 	if (rdev->flags & RADEON_IS_IGP) {
2485 		if (rdev->family >= CHIP_PALM) {
2486 			sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
2487 			sclk |= clock_info->sumo.ucEngineClockHigh << 16;
2488 			rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
2489 		} else {
2490 			sclk = le16_to_cpu(clock_info->rs780.usLowEngineClockLow);
2491 			sclk |= clock_info->rs780.ucLowEngineClockHigh << 16;
2492 			rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
2493 		}
2494 	} else if (rdev->family >= CHIP_BONAIRE) {
2495 		sclk = le16_to_cpu(clock_info->ci.usEngineClockLow);
2496 		sclk |= clock_info->ci.ucEngineClockHigh << 16;
2497 		mclk = le16_to_cpu(clock_info->ci.usMemoryClockLow);
2498 		mclk |= clock_info->ci.ucMemoryClockHigh << 16;
2499 		rdev->pm.power_state[state_index].clock_info[mode_index].mclk = mclk;
2500 		rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
2501 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
2502 			VOLTAGE_NONE;
2503 	} else if (rdev->family >= CHIP_TAHITI) {
2504 		sclk = le16_to_cpu(clock_info->si.usEngineClockLow);
2505 		sclk |= clock_info->si.ucEngineClockHigh << 16;
2506 		mclk = le16_to_cpu(clock_info->si.usMemoryClockLow);
2507 		mclk |= clock_info->si.ucMemoryClockHigh << 16;
2508 		rdev->pm.power_state[state_index].clock_info[mode_index].mclk = mclk;
2509 		rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
2510 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
2511 			VOLTAGE_SW;
2512 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
2513 			le16_to_cpu(clock_info->si.usVDDC);
2514 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.vddci =
2515 			le16_to_cpu(clock_info->si.usVDDCI);
2516 	} else if (rdev->family >= CHIP_CEDAR) {
2517 		sclk = le16_to_cpu(clock_info->evergreen.usEngineClockLow);
2518 		sclk |= clock_info->evergreen.ucEngineClockHigh << 16;
2519 		mclk = le16_to_cpu(clock_info->evergreen.usMemoryClockLow);
2520 		mclk |= clock_info->evergreen.ucMemoryClockHigh << 16;
2521 		rdev->pm.power_state[state_index].clock_info[mode_index].mclk = mclk;
2522 		rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
2523 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
2524 			VOLTAGE_SW;
2525 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
2526 			le16_to_cpu(clock_info->evergreen.usVDDC);
2527 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.vddci =
2528 			le16_to_cpu(clock_info->evergreen.usVDDCI);
2529 	} else {
2530 		sclk = le16_to_cpu(clock_info->r600.usEngineClockLow);
2531 		sclk |= clock_info->r600.ucEngineClockHigh << 16;
2532 		mclk = le16_to_cpu(clock_info->r600.usMemoryClockLow);
2533 		mclk |= clock_info->r600.ucMemoryClockHigh << 16;
2534 		rdev->pm.power_state[state_index].clock_info[mode_index].mclk = mclk;
2535 		rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
2536 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
2537 			VOLTAGE_SW;
2538 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
2539 			le16_to_cpu(clock_info->r600.usVDDC);
2540 	}
2541 
2542 	/* patch up vddc if necessary */
2543 	switch (rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage) {
2544 	case ATOM_VIRTUAL_VOLTAGE_ID0:
2545 	case ATOM_VIRTUAL_VOLTAGE_ID1:
2546 	case ATOM_VIRTUAL_VOLTAGE_ID2:
2547 	case ATOM_VIRTUAL_VOLTAGE_ID3:
2548 	case ATOM_VIRTUAL_VOLTAGE_ID4:
2549 	case ATOM_VIRTUAL_VOLTAGE_ID5:
2550 	case ATOM_VIRTUAL_VOLTAGE_ID6:
2551 	case ATOM_VIRTUAL_VOLTAGE_ID7:
2552 		if (radeon_atom_get_max_vddc(rdev, VOLTAGE_TYPE_VDDC,
2553 					     rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage,
2554 					     &vddc) == 0)
2555 			rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage = vddc;
2556 		break;
2557 	default:
2558 		break;
2559 	}
2560 
2561 	if (rdev->flags & RADEON_IS_IGP) {
2562 		/* skip invalid modes */
2563 		if (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0)
2564 			return false;
2565 	} else {
2566 		/* skip invalid modes */
2567 		if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk == 0) ||
2568 		    (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0))
2569 			return false;
2570 	}
2571 	return true;
2572 }
2573 
2574 static int radeon_atombios_parse_power_table_4_5(struct radeon_device *rdev)
2575 {
2576 	struct radeon_mode_info *mode_info = &rdev->mode_info;
2577 	struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
2578 	union pplib_power_state *power_state;
2579 	int i, j;
2580 	int state_index = 0, mode_index = 0;
2581 	union pplib_clock_info *clock_info;
2582 	bool valid;
2583 	union power_info *power_info;
2584 	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
2585 	u16 data_offset;
2586 	u8 frev, crev;
2587 
2588 	if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
2589 				   &frev, &crev, &data_offset))
2590 		return state_index;
2591 	power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
2592 
2593 	radeon_atombios_add_pplib_thermal_controller(rdev, &power_info->pplib.sThermalController);
2594 	if (power_info->pplib.ucNumStates == 0)
2595 		return state_index;
2596 	rdev->pm.power_state = kcalloc(power_info->pplib.ucNumStates,
2597 				       sizeof(struct radeon_power_state),
2598 				       GFP_KERNEL);
2599 	if (!rdev->pm.power_state)
2600 		return state_index;
2601 	/* first mode is usually default, followed by low to high */
2602 	for (i = 0; i < power_info->pplib.ucNumStates; i++) {
2603 		mode_index = 0;
2604 		power_state = (union pplib_power_state *)
2605 			(mode_info->atom_context->bios + data_offset +
2606 			 le16_to_cpu(power_info->pplib.usStateArrayOffset) +
2607 			 i * power_info->pplib.ucStateEntrySize);
2608 		non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
2609 			(mode_info->atom_context->bios + data_offset +
2610 			 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset) +
2611 			 (power_state->v1.ucNonClockStateIndex *
2612 			  power_info->pplib.ucNonClockSize));
2613 		rdev->pm.power_state[i].clock_info =
2614 			kcalloc((power_info->pplib.ucStateEntrySize - 1) ?
2615 				(power_info->pplib.ucStateEntrySize - 1) : 1,
2616 				sizeof(struct radeon_pm_clock_info),
2617 				GFP_KERNEL);
2618 		if (!rdev->pm.power_state[i].clock_info)
2619 			return state_index;
2620 		if (power_info->pplib.ucStateEntrySize - 1) {
2621 			for (j = 0; j < (power_info->pplib.ucStateEntrySize - 1); j++) {
2622 				clock_info = (union pplib_clock_info *)
2623 					(mode_info->atom_context->bios + data_offset +
2624 					 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset) +
2625 					 (power_state->v1.ucClockStateIndices[j] *
2626 					  power_info->pplib.ucClockInfoSize));
2627 				valid = radeon_atombios_parse_pplib_clock_info(rdev,
2628 									       state_index, mode_index,
2629 									       clock_info);
2630 				if (valid)
2631 					mode_index++;
2632 			}
2633 		} else {
2634 			rdev->pm.power_state[state_index].clock_info[0].mclk =
2635 				rdev->clock.default_mclk;
2636 			rdev->pm.power_state[state_index].clock_info[0].sclk =
2637 				rdev->clock.default_sclk;
2638 			mode_index++;
2639 		}
2640 		rdev->pm.power_state[state_index].num_clock_modes = mode_index;
2641 		if (mode_index) {
2642 			radeon_atombios_parse_pplib_non_clock_info(rdev, state_index, mode_index,
2643 								   non_clock_info);
2644 			state_index++;
2645 		}
2646 	}
2647 	/* if multiple clock modes, mark the lowest as no display */
2648 	for (i = 0; i < state_index; i++) {
2649 		if (rdev->pm.power_state[i].num_clock_modes > 1)
2650 			rdev->pm.power_state[i].clock_info[0].flags |=
2651 				RADEON_PM_MODE_NO_DISPLAY;
2652 	}
2653 	/* first mode is usually default */
2654 	if (rdev->pm.default_power_state_index == -1) {
2655 		rdev->pm.power_state[0].type =
2656 			POWER_STATE_TYPE_DEFAULT;
2657 		rdev->pm.default_power_state_index = 0;
2658 		rdev->pm.power_state[0].default_clock_mode =
2659 			&rdev->pm.power_state[0].clock_info[0];
2660 	}
2661 	return state_index;
2662 }
2663 
2664 static int radeon_atombios_parse_power_table_6(struct radeon_device *rdev)
2665 {
2666 	struct radeon_mode_info *mode_info = &rdev->mode_info;
2667 	struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
2668 	union pplib_power_state *power_state;
2669 	int i, j, non_clock_array_index, clock_array_index;
2670 	int state_index = 0, mode_index = 0;
2671 	union pplib_clock_info *clock_info;
2672 	struct _StateArray *state_array;
2673 	struct _ClockInfoArray *clock_info_array;
2674 	struct _NonClockInfoArray *non_clock_info_array;
2675 	bool valid;
2676 	union power_info *power_info;
2677 	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
2678 	u16 data_offset;
2679 	u8 frev, crev;
2680 	u8 *power_state_offset;
2681 
2682 	if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
2683 				   &frev, &crev, &data_offset))
2684 		return state_index;
2685 	power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
2686 
2687 	radeon_atombios_add_pplib_thermal_controller(rdev, &power_info->pplib.sThermalController);
2688 	state_array = (struct _StateArray *)
2689 		(mode_info->atom_context->bios + data_offset +
2690 		 le16_to_cpu(power_info->pplib.usStateArrayOffset));
2691 	clock_info_array = (struct _ClockInfoArray *)
2692 		(mode_info->atom_context->bios + data_offset +
2693 		 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset));
2694 	non_clock_info_array = (struct _NonClockInfoArray *)
2695 		(mode_info->atom_context->bios + data_offset +
2696 		 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset));
2697 	if (state_array->ucNumEntries == 0)
2698 		return state_index;
2699 	rdev->pm.power_state = kcalloc(state_array->ucNumEntries,
2700 				       sizeof(struct radeon_power_state),
2701 				       GFP_KERNEL);
2702 	if (!rdev->pm.power_state)
2703 		return state_index;
2704 	power_state_offset = (u8 *)state_array->states;
2705 	for (i = 0; i < state_array->ucNumEntries; i++) {
2706 		mode_index = 0;
2707 		power_state = (union pplib_power_state *)power_state_offset;
2708 		non_clock_array_index = power_state->v2.nonClockInfoIndex;
2709 		non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
2710 			&non_clock_info_array->nonClockInfo[non_clock_array_index];
2711 		rdev->pm.power_state[i].clock_info =
2712 			kcalloc(power_state->v2.ucNumDPMLevels ?
2713 				power_state->v2.ucNumDPMLevels : 1,
2714 				sizeof(struct radeon_pm_clock_info),
2715 				GFP_KERNEL);
2716 		if (!rdev->pm.power_state[i].clock_info)
2717 			return state_index;
2718 		if (power_state->v2.ucNumDPMLevels) {
2719 			for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
2720 				clock_array_index = power_state->v2.clockInfoIndex[j];
2721 				clock_info = (union pplib_clock_info *)
2722 					&clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize];
2723 				valid = radeon_atombios_parse_pplib_clock_info(rdev,
2724 									       state_index, mode_index,
2725 									       clock_info);
2726 				if (valid)
2727 					mode_index++;
2728 			}
2729 		} else {
2730 			rdev->pm.power_state[state_index].clock_info[0].mclk =
2731 				rdev->clock.default_mclk;
2732 			rdev->pm.power_state[state_index].clock_info[0].sclk =
2733 				rdev->clock.default_sclk;
2734 			mode_index++;
2735 		}
2736 		rdev->pm.power_state[state_index].num_clock_modes = mode_index;
2737 		if (mode_index) {
2738 			radeon_atombios_parse_pplib_non_clock_info(rdev, state_index, mode_index,
2739 								   non_clock_info);
2740 			state_index++;
2741 		}
2742 		power_state_offset += 2 + power_state->v2.ucNumDPMLevels;
2743 	}
2744 	/* if multiple clock modes, mark the lowest as no display */
2745 	for (i = 0; i < state_index; i++) {
2746 		if (rdev->pm.power_state[i].num_clock_modes > 1)
2747 			rdev->pm.power_state[i].clock_info[0].flags |=
2748 				RADEON_PM_MODE_NO_DISPLAY;
2749 	}
2750 	/* first mode is usually default */
2751 	if (rdev->pm.default_power_state_index == -1) {
2752 		rdev->pm.power_state[0].type =
2753 			POWER_STATE_TYPE_DEFAULT;
2754 		rdev->pm.default_power_state_index = 0;
2755 		rdev->pm.power_state[0].default_clock_mode =
2756 			&rdev->pm.power_state[0].clock_info[0];
2757 	}
2758 	return state_index;
2759 }
2760 
2761 void radeon_atombios_get_power_modes(struct radeon_device *rdev)
2762 {
2763 	struct radeon_mode_info *mode_info = &rdev->mode_info;
2764 	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
2765 	u16 data_offset;
2766 	u8 frev, crev;
2767 	int state_index = 0;
2768 
2769 	rdev->pm.default_power_state_index = -1;
2770 
2771 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
2772 				   &frev, &crev, &data_offset)) {
2773 		switch (frev) {
2774 		case 1:
2775 		case 2:
2776 		case 3:
2777 			state_index = radeon_atombios_parse_power_table_1_3(rdev);
2778 			break;
2779 		case 4:
2780 		case 5:
2781 			state_index = radeon_atombios_parse_power_table_4_5(rdev);
2782 			break;
2783 		case 6:
2784 			state_index = radeon_atombios_parse_power_table_6(rdev);
2785 			break;
2786 		default:
2787 			break;
2788 		}
2789 	}
2790 
2791 	if (state_index == 0) {
2792 		rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state), GFP_KERNEL);
2793 		if (rdev->pm.power_state) {
2794 			rdev->pm.power_state[0].clock_info =
2795 				kcalloc(1,
2796 				        sizeof(struct radeon_pm_clock_info),
2797 				        GFP_KERNEL);
2798 			if (rdev->pm.power_state[0].clock_info) {
2799 				/* add the default mode */
2800 				rdev->pm.power_state[state_index].type =
2801 					POWER_STATE_TYPE_DEFAULT;
2802 				rdev->pm.power_state[state_index].num_clock_modes = 1;
2803 				rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
2804 				rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
2805 				rdev->pm.power_state[state_index].default_clock_mode =
2806 					&rdev->pm.power_state[state_index].clock_info[0];
2807 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2808 				rdev->pm.power_state[state_index].pcie_lanes = 16;
2809 				rdev->pm.default_power_state_index = state_index;
2810 				rdev->pm.power_state[state_index].flags = 0;
2811 				state_index++;
2812 			}
2813 		}
2814 	}
2815 
2816 	rdev->pm.num_power_states = state_index;
2817 
2818 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2819 	rdev->pm.current_clock_mode_index = 0;
2820 	if (rdev->pm.default_power_state_index >= 0)
2821 		rdev->pm.current_vddc =
2822 			rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.voltage;
2823 	else
2824 		rdev->pm.current_vddc = 0;
2825 }
2826 
2827 union get_clock_dividers {
2828 	struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS v1;
2829 	struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V2 v2;
2830 	struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V3 v3;
2831 	struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V4 v4;
2832 	struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V5 v5;
2833 	struct _COMPUTE_GPU_CLOCK_INPUT_PARAMETERS_V1_6 v6_in;
2834 	struct _COMPUTE_GPU_CLOCK_OUTPUT_PARAMETERS_V1_6 v6_out;
2835 };
2836 
2837 int radeon_atom_get_clock_dividers(struct radeon_device *rdev,
2838 				   u8 clock_type,
2839 				   u32 clock,
2840 				   bool strobe_mode,
2841 				   struct atom_clock_dividers *dividers)
2842 {
2843 	union get_clock_dividers args;
2844 	int index = GetIndexIntoMasterTable(COMMAND, ComputeMemoryEnginePLL);
2845 	u8 frev, crev;
2846 
2847 	memset(&args, 0, sizeof(args));
2848 	memset(dividers, 0, sizeof(struct atom_clock_dividers));
2849 
2850 	if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
2851 		return -EINVAL;
2852 
2853 	switch (crev) {
2854 	case 1:
2855 		/* r4xx, r5xx */
2856 		args.v1.ucAction = clock_type;
2857 		args.v1.ulClock = cpu_to_le32(clock);	/* 10 khz */
2858 
2859 		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
2860 
2861 		dividers->post_div = args.v1.ucPostDiv;
2862 		dividers->fb_div = args.v1.ucFbDiv;
2863 		dividers->enable_post_div = true;
2864 		break;
2865 	case 2:
2866 	case 3:
2867 	case 5:
2868 		/* r6xx, r7xx, evergreen, ni, si */
2869 		if (rdev->family <= CHIP_RV770) {
2870 			args.v2.ucAction = clock_type;
2871 			args.v2.ulClock = cpu_to_le32(clock);	/* 10 khz */
2872 
2873 			atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
2874 
2875 			dividers->post_div = args.v2.ucPostDiv;
2876 			dividers->fb_div = le16_to_cpu(args.v2.usFbDiv);
2877 			dividers->ref_div = args.v2.ucAction;
2878 			if (rdev->family == CHIP_RV770) {
2879 				dividers->enable_post_div = (le32_to_cpu(args.v2.ulClock) & (1 << 24)) ?
2880 					true : false;
2881 				dividers->vco_mode = (le32_to_cpu(args.v2.ulClock) & (1 << 25)) ? 1 : 0;
2882 			} else
2883 				dividers->enable_post_div = (dividers->fb_div & 1) ? true : false;
2884 		} else {
2885 			if (clock_type == COMPUTE_ENGINE_PLL_PARAM) {
2886 				args.v3.ulClockParams = cpu_to_le32((clock_type << 24) | clock);
2887 
2888 				atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
2889 
2890 				dividers->post_div = args.v3.ucPostDiv;
2891 				dividers->enable_post_div = (args.v3.ucCntlFlag &
2892 							     ATOM_PLL_CNTL_FLAG_PLL_POST_DIV_EN) ? true : false;
2893 				dividers->enable_dithen = (args.v3.ucCntlFlag &
2894 							   ATOM_PLL_CNTL_FLAG_FRACTION_DISABLE) ? false : true;
2895 				dividers->whole_fb_div = le16_to_cpu(args.v3.ulFbDiv.usFbDiv);
2896 				dividers->frac_fb_div = le16_to_cpu(args.v3.ulFbDiv.usFbDivFrac);
2897 				dividers->ref_div = args.v3.ucRefDiv;
2898 				dividers->vco_mode = (args.v3.ucCntlFlag &
2899 						      ATOM_PLL_CNTL_FLAG_MPLL_VCO_MODE) ? 1 : 0;
2900 			} else {
2901 				/* for SI we use ComputeMemoryClockParam for memory plls */
2902 				if (rdev->family >= CHIP_TAHITI)
2903 					return -EINVAL;
2904 				args.v5.ulClockParams = cpu_to_le32((clock_type << 24) | clock);
2905 				if (strobe_mode)
2906 					args.v5.ucInputFlag = ATOM_PLL_INPUT_FLAG_PLL_STROBE_MODE_EN;
2907 
2908 				atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
2909 
2910 				dividers->post_div = args.v5.ucPostDiv;
2911 				dividers->enable_post_div = (args.v5.ucCntlFlag &
2912 							     ATOM_PLL_CNTL_FLAG_PLL_POST_DIV_EN) ? true : false;
2913 				dividers->enable_dithen = (args.v5.ucCntlFlag &
2914 							   ATOM_PLL_CNTL_FLAG_FRACTION_DISABLE) ? false : true;
2915 				dividers->whole_fb_div = le16_to_cpu(args.v5.ulFbDiv.usFbDiv);
2916 				dividers->frac_fb_div = le16_to_cpu(args.v5.ulFbDiv.usFbDivFrac);
2917 				dividers->ref_div = args.v5.ucRefDiv;
2918 				dividers->vco_mode = (args.v5.ucCntlFlag &
2919 						      ATOM_PLL_CNTL_FLAG_MPLL_VCO_MODE) ? 1 : 0;
2920 			}
2921 		}
2922 		break;
2923 	case 4:
2924 		/* fusion */
2925 		args.v4.ulClock = cpu_to_le32(clock);	/* 10 khz */
2926 
2927 		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
2928 
2929 		dividers->post_divider = dividers->post_div = args.v4.ucPostDiv;
2930 		dividers->real_clock = le32_to_cpu(args.v4.ulClock);
2931 		break;
2932 	case 6:
2933 		/* CI */
2934 		/* COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK, COMPUTE_GPUCLK_INPUT_FLAG_SCLK */
2935 		args.v6_in.ulClock.ulComputeClockFlag = clock_type;
2936 		args.v6_in.ulClock.ulClockFreq = cpu_to_le32(clock);	/* 10 khz */
2937 
2938 		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
2939 
2940 		dividers->whole_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDiv);
2941 		dividers->frac_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDivFrac);
2942 		dividers->ref_div = args.v6_out.ucPllRefDiv;
2943 		dividers->post_div = args.v6_out.ucPllPostDiv;
2944 		dividers->flags = args.v6_out.ucPllCntlFlag;
2945 		dividers->real_clock = le32_to_cpu(args.v6_out.ulClock.ulClock);
2946 		dividers->post_divider = args.v6_out.ulClock.ucPostDiv;
2947 		break;
2948 	default:
2949 		return -EINVAL;
2950 	}
2951 	return 0;
2952 }
2953 
2954 int radeon_atom_get_memory_pll_dividers(struct radeon_device *rdev,
2955 					u32 clock,
2956 					bool strobe_mode,
2957 					struct atom_mpll_param *mpll_param)
2958 {
2959 	COMPUTE_MEMORY_CLOCK_PARAM_PARAMETERS_V2_1 args;
2960 	int index = GetIndexIntoMasterTable(COMMAND, ComputeMemoryClockParam);
2961 	u8 frev, crev;
2962 
2963 	memset(&args, 0, sizeof(args));
2964 	memset(mpll_param, 0, sizeof(struct atom_mpll_param));
2965 
2966 	if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
2967 		return -EINVAL;
2968 
2969 	switch (frev) {
2970 	case 2:
2971 		switch (crev) {
2972 		case 1:
2973 			/* SI */
2974 			args.ulClock = cpu_to_le32(clock);	/* 10 khz */
2975 			args.ucInputFlag = 0;
2976 			if (strobe_mode)
2977 				args.ucInputFlag |= MPLL_INPUT_FLAG_STROBE_MODE_EN;
2978 
2979 			atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
2980 
2981 			mpll_param->clkfrac = le16_to_cpu(args.ulFbDiv.usFbDivFrac);
2982 			mpll_param->clkf = le16_to_cpu(args.ulFbDiv.usFbDiv);
2983 			mpll_param->post_div = args.ucPostDiv;
2984 			mpll_param->dll_speed = args.ucDllSpeed;
2985 			mpll_param->bwcntl = args.ucBWCntl;
2986 			mpll_param->vco_mode =
2987 				(args.ucPllCntlFlag & MPLL_CNTL_FLAG_VCO_MODE_MASK);
2988 			mpll_param->yclk_sel =
2989 				(args.ucPllCntlFlag & MPLL_CNTL_FLAG_BYPASS_DQ_PLL) ? 1 : 0;
2990 			mpll_param->qdr =
2991 				(args.ucPllCntlFlag & MPLL_CNTL_FLAG_QDR_ENABLE) ? 1 : 0;
2992 			mpll_param->half_rate =
2993 				(args.ucPllCntlFlag & MPLL_CNTL_FLAG_AD_HALF_RATE) ? 1 : 0;
2994 			break;
2995 		default:
2996 			return -EINVAL;
2997 		}
2998 		break;
2999 	default:
3000 		return -EINVAL;
3001 	}
3002 	return 0;
3003 }
3004 
3005 void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable)
3006 {
3007 	DYNAMIC_CLOCK_GATING_PS_ALLOCATION args;
3008 	int index = GetIndexIntoMasterTable(COMMAND, DynamicClockGating);
3009 
3010 	args.ucEnable = enable;
3011 
3012 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3013 }
3014 
3015 uint32_t radeon_atom_get_engine_clock(struct radeon_device *rdev)
3016 {
3017 	GET_ENGINE_CLOCK_PS_ALLOCATION args;
3018 	int index = GetIndexIntoMasterTable(COMMAND, GetEngineClock);
3019 
3020 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3021 	return le32_to_cpu(args.ulReturnEngineClock);
3022 }
3023 
3024 uint32_t radeon_atom_get_memory_clock(struct radeon_device *rdev)
3025 {
3026 	GET_MEMORY_CLOCK_PS_ALLOCATION args;
3027 	int index = GetIndexIntoMasterTable(COMMAND, GetMemoryClock);
3028 
3029 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3030 	return le32_to_cpu(args.ulReturnMemoryClock);
3031 }
3032 
3033 void radeon_atom_set_engine_clock(struct radeon_device *rdev,
3034 				  uint32_t eng_clock)
3035 {
3036 	SET_ENGINE_CLOCK_PS_ALLOCATION args;
3037 	int index = GetIndexIntoMasterTable(COMMAND, SetEngineClock);
3038 
3039 	args.ulTargetEngineClock = cpu_to_le32(eng_clock);	/* 10 khz */
3040 
3041 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3042 }
3043 
3044 void radeon_atom_set_memory_clock(struct radeon_device *rdev,
3045 				  uint32_t mem_clock)
3046 {
3047 	SET_MEMORY_CLOCK_PS_ALLOCATION args;
3048 	int index = GetIndexIntoMasterTable(COMMAND, SetMemoryClock);
3049 
3050 	if (rdev->flags & RADEON_IS_IGP)
3051 		return;
3052 
3053 	args.ulTargetMemoryClock = cpu_to_le32(mem_clock);	/* 10 khz */
3054 
3055 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3056 }
3057 
3058 void radeon_atom_set_engine_dram_timings(struct radeon_device *rdev,
3059 					 u32 eng_clock, u32 mem_clock)
3060 {
3061 	SET_ENGINE_CLOCK_PS_ALLOCATION args;
3062 	int index = GetIndexIntoMasterTable(COMMAND, DynamicMemorySettings);
3063 	u32 tmp;
3064 
3065 	memset(&args, 0, sizeof(args));
3066 
3067 	tmp = eng_clock & SET_CLOCK_FREQ_MASK;
3068 	tmp |= (COMPUTE_ENGINE_PLL_PARAM << 24);
3069 
3070 	args.ulTargetEngineClock = cpu_to_le32(tmp);
3071 	if (mem_clock)
3072 		args.sReserved.ulClock = cpu_to_le32(mem_clock & SET_CLOCK_FREQ_MASK);
3073 
3074 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3075 }
3076 
3077 void radeon_atom_update_memory_dll(struct radeon_device *rdev,
3078 				   u32 mem_clock)
3079 {
3080 	u32 args;
3081 	int index = GetIndexIntoMasterTable(COMMAND, DynamicMemorySettings);
3082 
3083 	args = cpu_to_le32(mem_clock);	/* 10 khz */
3084 
3085 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3086 }
3087 
3088 void radeon_atom_set_ac_timing(struct radeon_device *rdev,
3089 			       u32 mem_clock)
3090 {
3091 	SET_MEMORY_CLOCK_PS_ALLOCATION args;
3092 	int index = GetIndexIntoMasterTable(COMMAND, DynamicMemorySettings);
3093 	u32 tmp = mem_clock | (COMPUTE_MEMORY_PLL_PARAM << 24);
3094 
3095 	args.ulTargetMemoryClock = cpu_to_le32(tmp);	/* 10 khz */
3096 
3097 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3098 }
3099 
3100 union set_voltage {
3101 	struct _SET_VOLTAGE_PS_ALLOCATION alloc;
3102 	struct _SET_VOLTAGE_PARAMETERS v1;
3103 	struct _SET_VOLTAGE_PARAMETERS_V2 v2;
3104 	struct _SET_VOLTAGE_PARAMETERS_V1_3 v3;
3105 };
3106 
3107 void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type)
3108 {
3109 	union set_voltage args;
3110 	int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
3111 	u8 frev, crev, volt_index = voltage_level;
3112 
3113 	if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
3114 		return;
3115 
3116 	/* 0xff01 is a flag rather then an actual voltage */
3117 	if (voltage_level == 0xff01)
3118 		return;
3119 
3120 	switch (crev) {
3121 	case 1:
3122 		args.v1.ucVoltageType = voltage_type;
3123 		args.v1.ucVoltageMode = SET_ASIC_VOLTAGE_MODE_ALL_SOURCE;
3124 		args.v1.ucVoltageIndex = volt_index;
3125 		break;
3126 	case 2:
3127 		args.v2.ucVoltageType = voltage_type;
3128 		args.v2.ucVoltageMode = SET_ASIC_VOLTAGE_MODE_SET_VOLTAGE;
3129 		args.v2.usVoltageLevel = cpu_to_le16(voltage_level);
3130 		break;
3131 	case 3:
3132 		args.v3.ucVoltageType = voltage_type;
3133 		args.v3.ucVoltageMode = ATOM_SET_VOLTAGE;
3134 		args.v3.usVoltageLevel = cpu_to_le16(voltage_level);
3135 		break;
3136 	default:
3137 		DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3138 		return;
3139 	}
3140 
3141 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3142 }
3143 
3144 int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
3145 			     u16 voltage_id, u16 *voltage)
3146 {
3147 	union set_voltage args;
3148 	int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
3149 	u8 frev, crev;
3150 
3151 	if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
3152 		return -EINVAL;
3153 
3154 	switch (crev) {
3155 	case 1:
3156 		return -EINVAL;
3157 	case 2:
3158 		args.v2.ucVoltageType = SET_VOLTAGE_GET_MAX_VOLTAGE;
3159 		args.v2.ucVoltageMode = 0;
3160 		args.v2.usVoltageLevel = 0;
3161 
3162 		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3163 
3164 		*voltage = le16_to_cpu(args.v2.usVoltageLevel);
3165 		break;
3166 	case 3:
3167 		args.v3.ucVoltageType = voltage_type;
3168 		args.v3.ucVoltageMode = ATOM_GET_VOLTAGE_LEVEL;
3169 		args.v3.usVoltageLevel = cpu_to_le16(voltage_id);
3170 
3171 		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3172 
3173 		*voltage = le16_to_cpu(args.v3.usVoltageLevel);
3174 		break;
3175 	default:
3176 		DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3177 		return -EINVAL;
3178 	}
3179 
3180 	return 0;
3181 }
3182 
3183 int radeon_atom_get_leakage_vddc_based_on_leakage_idx(struct radeon_device *rdev,
3184 						      u16 *voltage,
3185 						      u16 leakage_idx)
3186 {
3187 	return radeon_atom_get_max_vddc(rdev, VOLTAGE_TYPE_VDDC, leakage_idx, voltage);
3188 }
3189 
3190 int radeon_atom_get_leakage_id_from_vbios(struct radeon_device *rdev,
3191 					  u16 *leakage_id)
3192 {
3193 	union set_voltage args;
3194 	int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
3195 	u8 frev, crev;
3196 
3197 	if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
3198 		return -EINVAL;
3199 
3200 	switch (crev) {
3201 	case 3:
3202 	case 4:
3203 		args.v3.ucVoltageType = 0;
3204 		args.v3.ucVoltageMode = ATOM_GET_LEAKAGE_ID;
3205 		args.v3.usVoltageLevel = 0;
3206 
3207 		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3208 
3209 		*leakage_id = le16_to_cpu(args.v3.usVoltageLevel);
3210 		break;
3211 	default:
3212 		DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3213 		return -EINVAL;
3214 	}
3215 
3216 	return 0;
3217 }
3218 
3219 int radeon_atom_get_leakage_vddc_based_on_leakage_params(struct radeon_device *rdev,
3220 							 u16 *vddc, u16 *vddci,
3221 							 u16 virtual_voltage_id,
3222 							 u16 vbios_voltage_id)
3223 {
3224 	int index = GetIndexIntoMasterTable(DATA, ASIC_ProfilingInfo);
3225 	u8 frev, crev;
3226 	u16 data_offset, size;
3227 	int i, j;
3228 	ATOM_ASIC_PROFILING_INFO_V2_1 *profile;
3229 	u16 *leakage_bin, *vddc_id_buf, *vddc_buf, *vddci_id_buf, *vddci_buf;
3230 
3231 	*vddc = 0;
3232 	*vddci = 0;
3233 
3234 	if (!atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3235 				    &frev, &crev, &data_offset))
3236 		return -EINVAL;
3237 
3238 	profile = (ATOM_ASIC_PROFILING_INFO_V2_1 *)
3239 		(rdev->mode_info.atom_context->bios + data_offset);
3240 
3241 	switch (frev) {
3242 	case 1:
3243 		return -EINVAL;
3244 	case 2:
3245 		switch (crev) {
3246 		case 1:
3247 			if (size < sizeof(ATOM_ASIC_PROFILING_INFO_V2_1))
3248 				return -EINVAL;
3249 			leakage_bin = (u16 *)
3250 				(rdev->mode_info.atom_context->bios + data_offset +
3251 				 le16_to_cpu(profile->usLeakageBinArrayOffset));
3252 			vddc_id_buf = (u16 *)
3253 				(rdev->mode_info.atom_context->bios + data_offset +
3254 				 le16_to_cpu(profile->usElbVDDC_IdArrayOffset));
3255 			vddc_buf = (u16 *)
3256 				(rdev->mode_info.atom_context->bios + data_offset +
3257 				 le16_to_cpu(profile->usElbVDDC_LevelArrayOffset));
3258 			vddci_id_buf = (u16 *)
3259 				(rdev->mode_info.atom_context->bios + data_offset +
3260 				 le16_to_cpu(profile->usElbVDDCI_IdArrayOffset));
3261 			vddci_buf = (u16 *)
3262 				(rdev->mode_info.atom_context->bios + data_offset +
3263 				 le16_to_cpu(profile->usElbVDDCI_LevelArrayOffset));
3264 
3265 			if (profile->ucElbVDDC_Num > 0) {
3266 				for (i = 0; i < profile->ucElbVDDC_Num; i++) {
3267 					if (vddc_id_buf[i] == virtual_voltage_id) {
3268 						for (j = 0; j < profile->ucLeakageBinNum; j++) {
3269 							if (vbios_voltage_id <= leakage_bin[j]) {
3270 								*vddc = vddc_buf[j * profile->ucElbVDDC_Num + i];
3271 								break;
3272 							}
3273 						}
3274 						break;
3275 					}
3276 				}
3277 			}
3278 			if (profile->ucElbVDDCI_Num > 0) {
3279 				for (i = 0; i < profile->ucElbVDDCI_Num; i++) {
3280 					if (vddci_id_buf[i] == virtual_voltage_id) {
3281 						for (j = 0; j < profile->ucLeakageBinNum; j++) {
3282 							if (vbios_voltage_id <= leakage_bin[j]) {
3283 								*vddci = vddci_buf[j * profile->ucElbVDDCI_Num + i];
3284 								break;
3285 							}
3286 						}
3287 						break;
3288 					}
3289 				}
3290 			}
3291 			break;
3292 		default:
3293 			DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3294 			return -EINVAL;
3295 		}
3296 		break;
3297 	default:
3298 		DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3299 		return -EINVAL;
3300 	}
3301 
3302 	return 0;
3303 }
3304 
3305 union get_voltage_info {
3306 	struct  _GET_VOLTAGE_INFO_INPUT_PARAMETER_V1_2 in;
3307 	struct  _GET_EVV_VOLTAGE_INFO_OUTPUT_PARAMETER_V1_2 evv_out;
3308 };
3309 
3310 int radeon_atom_get_voltage_evv(struct radeon_device *rdev,
3311 				u16 virtual_voltage_id,
3312 				u16 *voltage)
3313 {
3314 	int index = GetIndexIntoMasterTable(COMMAND, GetVoltageInfo);
3315 	u32 entry_id;
3316 	u32 count = rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.count;
3317 	union get_voltage_info args;
3318 
3319 	for (entry_id = 0; entry_id < count; entry_id++) {
3320 		if (rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[entry_id].v ==
3321 		    virtual_voltage_id)
3322 			break;
3323 	}
3324 
3325 	if (entry_id >= count)
3326 		return -EINVAL;
3327 
3328 	args.in.ucVoltageType = VOLTAGE_TYPE_VDDC;
3329 	args.in.ucVoltageMode = ATOM_GET_VOLTAGE_EVV_VOLTAGE;
3330 	args.in.usVoltageLevel = cpu_to_le16(virtual_voltage_id);
3331 	args.in.ulSCLKFreq =
3332 		cpu_to_le32(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[entry_id].clk);
3333 
3334 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3335 
3336 	*voltage = le16_to_cpu(args.evv_out.usVoltageLevel);
3337 
3338 	return 0;
3339 }
3340 
3341 int radeon_atom_get_voltage_gpio_settings(struct radeon_device *rdev,
3342 					  u16 voltage_level, u8 voltage_type,
3343 					  u32 *gpio_value, u32 *gpio_mask)
3344 {
3345 	union set_voltage args;
3346 	int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
3347 	u8 frev, crev;
3348 
3349 	if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
3350 		return -EINVAL;
3351 
3352 	switch (crev) {
3353 	case 1:
3354 		return -EINVAL;
3355 	case 2:
3356 		args.v2.ucVoltageType = voltage_type;
3357 		args.v2.ucVoltageMode = SET_ASIC_VOLTAGE_MODE_GET_GPIOMASK;
3358 		args.v2.usVoltageLevel = cpu_to_le16(voltage_level);
3359 
3360 		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3361 
3362 		*gpio_mask = le32_to_cpu(*(u32 *)&args.v2);
3363 
3364 		args.v2.ucVoltageType = voltage_type;
3365 		args.v2.ucVoltageMode = SET_ASIC_VOLTAGE_MODE_GET_GPIOVAL;
3366 		args.v2.usVoltageLevel = cpu_to_le16(voltage_level);
3367 
3368 		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3369 
3370 		*gpio_value = le32_to_cpu(*(u32 *)&args.v2);
3371 		break;
3372 	default:
3373 		DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3374 		return -EINVAL;
3375 	}
3376 
3377 	return 0;
3378 }
3379 
3380 union voltage_object_info {
3381 	struct _ATOM_VOLTAGE_OBJECT_INFO v1;
3382 	struct _ATOM_VOLTAGE_OBJECT_INFO_V2 v2;
3383 	struct _ATOM_VOLTAGE_OBJECT_INFO_V3_1 v3;
3384 };
3385 
3386 union voltage_object {
3387 	struct _ATOM_VOLTAGE_OBJECT v1;
3388 	struct _ATOM_VOLTAGE_OBJECT_V2 v2;
3389 	union _ATOM_VOLTAGE_OBJECT_V3 v3;
3390 };
3391 
3392 static ATOM_VOLTAGE_OBJECT *atom_lookup_voltage_object_v1(ATOM_VOLTAGE_OBJECT_INFO *v1,
3393 							  u8 voltage_type)
3394 {
3395 	u32 size = le16_to_cpu(v1->sHeader.usStructureSize);
3396 	u32 offset = offsetof(ATOM_VOLTAGE_OBJECT_INFO, asVoltageObj[0]);
3397 	u8 *start = (u8 *)v1;
3398 
3399 	while (offset < size) {
3400 		ATOM_VOLTAGE_OBJECT *vo = (ATOM_VOLTAGE_OBJECT *)(start + offset);
3401 		if (vo->ucVoltageType == voltage_type)
3402 			return vo;
3403 		offset += offsetof(ATOM_VOLTAGE_OBJECT, asFormula.ucVIDAdjustEntries) +
3404 			vo->asFormula.ucNumOfVoltageEntries;
3405 	}
3406 	return NULL;
3407 }
3408 
3409 static ATOM_VOLTAGE_OBJECT_V2 *atom_lookup_voltage_object_v2(ATOM_VOLTAGE_OBJECT_INFO_V2 *v2,
3410 							     u8 voltage_type)
3411 {
3412 	u32 size = le16_to_cpu(v2->sHeader.usStructureSize);
3413 	u32 offset = offsetof(ATOM_VOLTAGE_OBJECT_INFO_V2, asVoltageObj[0]);
3414 	u8 *start = (u8*)v2;
3415 
3416 	while (offset < size) {
3417 		ATOM_VOLTAGE_OBJECT_V2 *vo = (ATOM_VOLTAGE_OBJECT_V2 *)(start + offset);
3418 		if (vo->ucVoltageType == voltage_type)
3419 			return vo;
3420 		offset += offsetof(ATOM_VOLTAGE_OBJECT_V2, asFormula.asVIDAdjustEntries) +
3421 			(vo->asFormula.ucNumOfVoltageEntries * sizeof(VOLTAGE_LUT_ENTRY));
3422 	}
3423 	return NULL;
3424 }
3425 
3426 static ATOM_VOLTAGE_OBJECT_V3 *atom_lookup_voltage_object_v3(ATOM_VOLTAGE_OBJECT_INFO_V3_1 *v3,
3427 							     u8 voltage_type, u8 voltage_mode)
3428 {
3429 	u32 size = le16_to_cpu(v3->sHeader.usStructureSize);
3430 	u32 offset = offsetof(ATOM_VOLTAGE_OBJECT_INFO_V3_1, asVoltageObj[0]);
3431 	u8 *start = (u8*)v3;
3432 
3433 	while (offset < size) {
3434 		ATOM_VOLTAGE_OBJECT_V3 *vo = (ATOM_VOLTAGE_OBJECT_V3 *)(start + offset);
3435 		if ((vo->asGpioVoltageObj.sHeader.ucVoltageType == voltage_type) &&
3436 		    (vo->asGpioVoltageObj.sHeader.ucVoltageMode == voltage_mode))
3437 			return vo;
3438 		offset += le16_to_cpu(vo->asGpioVoltageObj.sHeader.usSize);
3439 	}
3440 	return NULL;
3441 }
3442 
3443 bool
3444 radeon_atom_is_voltage_gpio(struct radeon_device *rdev,
3445 			    u8 voltage_type, u8 voltage_mode)
3446 {
3447 	int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
3448 	u8 frev, crev;
3449 	u16 data_offset, size;
3450 	union voltage_object_info *voltage_info;
3451 	union voltage_object *voltage_object = NULL;
3452 
3453 	if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3454 				   &frev, &crev, &data_offset)) {
3455 		voltage_info = (union voltage_object_info *)
3456 			(rdev->mode_info.atom_context->bios + data_offset);
3457 
3458 		switch (frev) {
3459 		case 1:
3460 		case 2:
3461 			switch (crev) {
3462 			case 1:
3463 				voltage_object = (union voltage_object *)
3464 					atom_lookup_voltage_object_v1(&voltage_info->v1, voltage_type);
3465 				if (voltage_object &&
3466 				    (voltage_object->v1.asControl.ucVoltageControlId == VOLTAGE_CONTROLLED_BY_GPIO))
3467 					return true;
3468 				break;
3469 			case 2:
3470 				voltage_object = (union voltage_object *)
3471 					atom_lookup_voltage_object_v2(&voltage_info->v2, voltage_type);
3472 				if (voltage_object &&
3473 				    (voltage_object->v2.asControl.ucVoltageControlId == VOLTAGE_CONTROLLED_BY_GPIO))
3474 					return true;
3475 				break;
3476 			default:
3477 				DRM_ERROR("unknown voltage object table\n");
3478 				return false;
3479 			}
3480 			break;
3481 		case 3:
3482 			switch (crev) {
3483 			case 1:
3484 				if (atom_lookup_voltage_object_v3(&voltage_info->v3,
3485 								  voltage_type, voltage_mode))
3486 					return true;
3487 				break;
3488 			default:
3489 				DRM_ERROR("unknown voltage object table\n");
3490 				return false;
3491 			}
3492 			break;
3493 		default:
3494 			DRM_ERROR("unknown voltage object table\n");
3495 			return false;
3496 		}
3497 
3498 	}
3499 	return false;
3500 }
3501 
3502 int radeon_atom_get_svi2_info(struct radeon_device *rdev,
3503 			      u8 voltage_type,
3504 			      u8 *svd_gpio_id, u8 *svc_gpio_id)
3505 {
3506 	int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
3507 	u8 frev, crev;
3508 	u16 data_offset, size;
3509 	union voltage_object_info *voltage_info;
3510 	union voltage_object *voltage_object = NULL;
3511 
3512 	if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3513 				   &frev, &crev, &data_offset)) {
3514 		voltage_info = (union voltage_object_info *)
3515 			(rdev->mode_info.atom_context->bios + data_offset);
3516 
3517 		switch (frev) {
3518 		case 3:
3519 			switch (crev) {
3520 			case 1:
3521 				voltage_object = (union voltage_object *)
3522 					atom_lookup_voltage_object_v3(&voltage_info->v3,
3523 								      voltage_type,
3524 								      VOLTAGE_OBJ_SVID2);
3525 				if (voltage_object) {
3526 					*svd_gpio_id = voltage_object->v3.asSVID2Obj.ucSVDGpioId;
3527 					*svc_gpio_id = voltage_object->v3.asSVID2Obj.ucSVCGpioId;
3528 				} else {
3529 					return -EINVAL;
3530 				}
3531 				break;
3532 			default:
3533 				DRM_ERROR("unknown voltage object table\n");
3534 				return -EINVAL;
3535 			}
3536 			break;
3537 		default:
3538 			DRM_ERROR("unknown voltage object table\n");
3539 			return -EINVAL;
3540 		}
3541 
3542 	}
3543 	return 0;
3544 }
3545 
3546 int radeon_atom_get_max_voltage(struct radeon_device *rdev,
3547 				u8 voltage_type, u16 *max_voltage)
3548 {
3549 	int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
3550 	u8 frev, crev;
3551 	u16 data_offset, size;
3552 	union voltage_object_info *voltage_info;
3553 	union voltage_object *voltage_object = NULL;
3554 
3555 	if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3556 				   &frev, &crev, &data_offset)) {
3557 		voltage_info = (union voltage_object_info *)
3558 			(rdev->mode_info.atom_context->bios + data_offset);
3559 
3560 		switch (crev) {
3561 		case 1:
3562 			voltage_object = (union voltage_object *)
3563 				atom_lookup_voltage_object_v1(&voltage_info->v1, voltage_type);
3564 			if (voltage_object) {
3565 				ATOM_VOLTAGE_FORMULA *formula =
3566 					&voltage_object->v1.asFormula;
3567 				if (formula->ucFlag & 1)
3568 					*max_voltage =
3569 						le16_to_cpu(formula->usVoltageBaseLevel) +
3570 						formula->ucNumOfVoltageEntries / 2 *
3571 						le16_to_cpu(formula->usVoltageStep);
3572 				else
3573 					*max_voltage =
3574 						le16_to_cpu(formula->usVoltageBaseLevel) +
3575 						(formula->ucNumOfVoltageEntries - 1) *
3576 						le16_to_cpu(formula->usVoltageStep);
3577 				return 0;
3578 			}
3579 			break;
3580 		case 2:
3581 			voltage_object = (union voltage_object *)
3582 				atom_lookup_voltage_object_v2(&voltage_info->v2, voltage_type);
3583 			if (voltage_object) {
3584 				ATOM_VOLTAGE_FORMULA_V2 *formula =
3585 					&voltage_object->v2.asFormula;
3586 				if (formula->ucNumOfVoltageEntries) {
3587 					VOLTAGE_LUT_ENTRY *lut = (VOLTAGE_LUT_ENTRY *)
3588 						((u8 *)&formula->asVIDAdjustEntries[0] +
3589 						 (sizeof(VOLTAGE_LUT_ENTRY) * (formula->ucNumOfVoltageEntries - 1)));
3590 					*max_voltage =
3591 						le16_to_cpu(lut->usVoltageValue);
3592 					return 0;
3593 				}
3594 			}
3595 			break;
3596 		default:
3597 			DRM_ERROR("unknown voltage object table\n");
3598 			return -EINVAL;
3599 		}
3600 
3601 	}
3602 	return -EINVAL;
3603 }
3604 
3605 int radeon_atom_get_min_voltage(struct radeon_device *rdev,
3606 				u8 voltage_type, u16 *min_voltage)
3607 {
3608 	int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
3609 	u8 frev, crev;
3610 	u16 data_offset, size;
3611 	union voltage_object_info *voltage_info;
3612 	union voltage_object *voltage_object = NULL;
3613 
3614 	if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3615 				   &frev, &crev, &data_offset)) {
3616 		voltage_info = (union voltage_object_info *)
3617 			(rdev->mode_info.atom_context->bios + data_offset);
3618 
3619 		switch (crev) {
3620 		case 1:
3621 			voltage_object = (union voltage_object *)
3622 				atom_lookup_voltage_object_v1(&voltage_info->v1, voltage_type);
3623 			if (voltage_object) {
3624 				ATOM_VOLTAGE_FORMULA *formula =
3625 					&voltage_object->v1.asFormula;
3626 				*min_voltage =
3627 					le16_to_cpu(formula->usVoltageBaseLevel);
3628 				return 0;
3629 			}
3630 			break;
3631 		case 2:
3632 			voltage_object = (union voltage_object *)
3633 				atom_lookup_voltage_object_v2(&voltage_info->v2, voltage_type);
3634 			if (voltage_object) {
3635 				ATOM_VOLTAGE_FORMULA_V2 *formula =
3636 					&voltage_object->v2.asFormula;
3637 				if (formula->ucNumOfVoltageEntries) {
3638 					*min_voltage =
3639 						le16_to_cpu(formula->asVIDAdjustEntries[
3640 								    0
3641 								    ].usVoltageValue);
3642 					return 0;
3643 				}
3644 			}
3645 			break;
3646 		default:
3647 			DRM_ERROR("unknown voltage object table\n");
3648 			return -EINVAL;
3649 		}
3650 
3651 	}
3652 	return -EINVAL;
3653 }
3654 
3655 int radeon_atom_get_voltage_step(struct radeon_device *rdev,
3656 				 u8 voltage_type, u16 *voltage_step)
3657 {
3658 	int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
3659 	u8 frev, crev;
3660 	u16 data_offset, size;
3661 	union voltage_object_info *voltage_info;
3662 	union voltage_object *voltage_object = NULL;
3663 
3664 	if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3665 				   &frev, &crev, &data_offset)) {
3666 		voltage_info = (union voltage_object_info *)
3667 			(rdev->mode_info.atom_context->bios + data_offset);
3668 
3669 		switch (crev) {
3670 		case 1:
3671 			voltage_object = (union voltage_object *)
3672 				atom_lookup_voltage_object_v1(&voltage_info->v1, voltage_type);
3673 			if (voltage_object) {
3674 				ATOM_VOLTAGE_FORMULA *formula =
3675 					&voltage_object->v1.asFormula;
3676 				if (formula->ucFlag & 1)
3677 					*voltage_step =
3678 						(le16_to_cpu(formula->usVoltageStep) + 1) / 2;
3679 				else
3680 					*voltage_step =
3681 						le16_to_cpu(formula->usVoltageStep);
3682 				return 0;
3683 			}
3684 			break;
3685 		case 2:
3686 			return -EINVAL;
3687 		default:
3688 			DRM_ERROR("unknown voltage object table\n");
3689 			return -EINVAL;
3690 		}
3691 
3692 	}
3693 	return -EINVAL;
3694 }
3695 
3696 int radeon_atom_round_to_true_voltage(struct radeon_device *rdev,
3697 				      u8 voltage_type,
3698 				      u16 nominal_voltage,
3699 				      u16 *true_voltage)
3700 {
3701 	u16 min_voltage, max_voltage, voltage_step;
3702 
3703 	if (radeon_atom_get_max_voltage(rdev, voltage_type, &max_voltage))
3704 		return -EINVAL;
3705 	if (radeon_atom_get_min_voltage(rdev, voltage_type, &min_voltage))
3706 		return -EINVAL;
3707 	if (radeon_atom_get_voltage_step(rdev, voltage_type, &voltage_step))
3708 		return -EINVAL;
3709 
3710 	if (nominal_voltage <= min_voltage)
3711 		*true_voltage = min_voltage;
3712 	else if (nominal_voltage >= max_voltage)
3713 		*true_voltage = max_voltage;
3714 	else
3715 		*true_voltage = min_voltage +
3716 			((nominal_voltage - min_voltage) / voltage_step) *
3717 			voltage_step;
3718 
3719 	return 0;
3720 }
3721 
3722 int radeon_atom_get_voltage_table(struct radeon_device *rdev,
3723 				  u8 voltage_type, u8 voltage_mode,
3724 				  struct atom_voltage_table *voltage_table)
3725 {
3726 	int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
3727 	u8 frev, crev;
3728 	u16 data_offset, size;
3729 	int i, ret;
3730 	union voltage_object_info *voltage_info;
3731 	union voltage_object *voltage_object = NULL;
3732 
3733 	if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3734 				   &frev, &crev, &data_offset)) {
3735 		voltage_info = (union voltage_object_info *)
3736 			(rdev->mode_info.atom_context->bios + data_offset);
3737 
3738 		switch (frev) {
3739 		case 1:
3740 		case 2:
3741 			switch (crev) {
3742 			case 1:
3743 				DRM_ERROR("old table version %d, %d\n", frev, crev);
3744 				return -EINVAL;
3745 			case 2:
3746 				voltage_object = (union voltage_object *)
3747 					atom_lookup_voltage_object_v2(&voltage_info->v2, voltage_type);
3748 				if (voltage_object) {
3749 					ATOM_VOLTAGE_FORMULA_V2 *formula =
3750 						&voltage_object->v2.asFormula;
3751 					VOLTAGE_LUT_ENTRY *lut;
3752 					if (formula->ucNumOfVoltageEntries > MAX_VOLTAGE_ENTRIES)
3753 						return -EINVAL;
3754 					lut = &formula->asVIDAdjustEntries[0];
3755 					for (i = 0; i < formula->ucNumOfVoltageEntries; i++) {
3756 						voltage_table->entries[i].value =
3757 							le16_to_cpu(lut->usVoltageValue);
3758 						ret = radeon_atom_get_voltage_gpio_settings(rdev,
3759 											    voltage_table->entries[i].value,
3760 											    voltage_type,
3761 											    &voltage_table->entries[i].smio_low,
3762 											    &voltage_table->mask_low);
3763 						if (ret)
3764 							return ret;
3765 						lut = (VOLTAGE_LUT_ENTRY *)
3766 							((u8 *)lut + sizeof(VOLTAGE_LUT_ENTRY));
3767 					}
3768 					voltage_table->count = formula->ucNumOfVoltageEntries;
3769 					return 0;
3770 				}
3771 				break;
3772 			default:
3773 				DRM_ERROR("unknown voltage object table\n");
3774 				return -EINVAL;
3775 			}
3776 			break;
3777 		case 3:
3778 			switch (crev) {
3779 			case 1:
3780 				voltage_object = (union voltage_object *)
3781 					atom_lookup_voltage_object_v3(&voltage_info->v3,
3782 								      voltage_type, voltage_mode);
3783 				if (voltage_object) {
3784 					ATOM_GPIO_VOLTAGE_OBJECT_V3 *gpio =
3785 						&voltage_object->v3.asGpioVoltageObj;
3786 					VOLTAGE_LUT_ENTRY_V2 *lut;
3787 					if (gpio->ucGpioEntryNum > MAX_VOLTAGE_ENTRIES)
3788 						return -EINVAL;
3789 					lut = &gpio->asVolGpioLut[0];
3790 					for (i = 0; i < gpio->ucGpioEntryNum; i++) {
3791 						voltage_table->entries[i].value =
3792 							le16_to_cpu(lut->usVoltageValue);
3793 						voltage_table->entries[i].smio_low =
3794 							le32_to_cpu(lut->ulVoltageId);
3795 						lut = (VOLTAGE_LUT_ENTRY_V2 *)
3796 							((u8 *)lut + sizeof(VOLTAGE_LUT_ENTRY_V2));
3797 					}
3798 					voltage_table->mask_low = le32_to_cpu(gpio->ulGpioMaskVal);
3799 					voltage_table->count = gpio->ucGpioEntryNum;
3800 					voltage_table->phase_delay = gpio->ucPhaseDelay;
3801 					return 0;
3802 				}
3803 				break;
3804 			default:
3805 				DRM_ERROR("unknown voltage object table\n");
3806 				return -EINVAL;
3807 			}
3808 			break;
3809 		default:
3810 			DRM_ERROR("unknown voltage object table\n");
3811 			return -EINVAL;
3812 		}
3813 	}
3814 	return -EINVAL;
3815 }
3816 
3817 union vram_info {
3818 	struct _ATOM_VRAM_INFO_V3 v1_3;
3819 	struct _ATOM_VRAM_INFO_V4 v1_4;
3820 	struct _ATOM_VRAM_INFO_HEADER_V2_1 v2_1;
3821 };
3822 
3823 int radeon_atom_get_memory_info(struct radeon_device *rdev,
3824 				u8 module_index, struct atom_memory_info *mem_info)
3825 {
3826 	int index = GetIndexIntoMasterTable(DATA, VRAM_Info);
3827 	u8 frev, crev, i;
3828 	u16 data_offset, size;
3829 	union vram_info *vram_info;
3830 
3831 	memset(mem_info, 0, sizeof(struct atom_memory_info));
3832 
3833 	if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3834 				   &frev, &crev, &data_offset)) {
3835 		vram_info = (union vram_info *)
3836 			(rdev->mode_info.atom_context->bios + data_offset);
3837 		switch (frev) {
3838 		case 1:
3839 			switch (crev) {
3840 			case 3:
3841 				/* r6xx */
3842 				if (module_index < vram_info->v1_3.ucNumOfVRAMModule) {
3843 					ATOM_VRAM_MODULE_V3 *vram_module =
3844 						(ATOM_VRAM_MODULE_V3 *)vram_info->v1_3.aVramInfo;
3845 
3846 					for (i = 0; i < module_index; i++) {
3847 						if (le16_to_cpu(vram_module->usSize) == 0)
3848 							return -EINVAL;
3849 						vram_module = (ATOM_VRAM_MODULE_V3 *)
3850 							((u8 *)vram_module + le16_to_cpu(vram_module->usSize));
3851 					}
3852 					mem_info->mem_vendor = vram_module->asMemory.ucMemoryVenderID & 0xf;
3853 					mem_info->mem_type = vram_module->asMemory.ucMemoryType & 0xf0;
3854 				} else
3855 					return -EINVAL;
3856 				break;
3857 			case 4:
3858 				/* r7xx, evergreen */
3859 				if (module_index < vram_info->v1_4.ucNumOfVRAMModule) {
3860 					ATOM_VRAM_MODULE_V4 *vram_module =
3861 						(ATOM_VRAM_MODULE_V4 *)vram_info->v1_4.aVramInfo;
3862 
3863 					for (i = 0; i < module_index; i++) {
3864 						if (le16_to_cpu(vram_module->usModuleSize) == 0)
3865 							return -EINVAL;
3866 						vram_module = (ATOM_VRAM_MODULE_V4 *)
3867 							((u8 *)vram_module + le16_to_cpu(vram_module->usModuleSize));
3868 					}
3869 					mem_info->mem_vendor = vram_module->ucMemoryVenderID & 0xf;
3870 					mem_info->mem_type = vram_module->ucMemoryType & 0xf0;
3871 				} else
3872 					return -EINVAL;
3873 				break;
3874 			default:
3875 				DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3876 				return -EINVAL;
3877 			}
3878 			break;
3879 		case 2:
3880 			switch (crev) {
3881 			case 1:
3882 				/* ni */
3883 				if (module_index < vram_info->v2_1.ucNumOfVRAMModule) {
3884 					ATOM_VRAM_MODULE_V7 *vram_module =
3885 						(ATOM_VRAM_MODULE_V7 *)vram_info->v2_1.aVramInfo;
3886 
3887 					for (i = 0; i < module_index; i++) {
3888 						if (le16_to_cpu(vram_module->usModuleSize) == 0)
3889 							return -EINVAL;
3890 						vram_module = (ATOM_VRAM_MODULE_V7 *)
3891 							((u8 *)vram_module + le16_to_cpu(vram_module->usModuleSize));
3892 					}
3893 					mem_info->mem_vendor = vram_module->ucMemoryVenderID & 0xf;
3894 					mem_info->mem_type = vram_module->ucMemoryType & 0xf0;
3895 				} else
3896 					return -EINVAL;
3897 				break;
3898 			default:
3899 				DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3900 				return -EINVAL;
3901 			}
3902 			break;
3903 		default:
3904 			DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3905 			return -EINVAL;
3906 		}
3907 		return 0;
3908 	}
3909 	return -EINVAL;
3910 }
3911 
3912 int radeon_atom_get_mclk_range_table(struct radeon_device *rdev,
3913 				     bool gddr5, u8 module_index,
3914 				     struct atom_memory_clock_range_table *mclk_range_table)
3915 {
3916 	int index = GetIndexIntoMasterTable(DATA, VRAM_Info);
3917 	u8 frev, crev, i;
3918 	u16 data_offset, size;
3919 	union vram_info *vram_info;
3920 	u32 mem_timing_size = gddr5 ?
3921 		sizeof(ATOM_MEMORY_TIMING_FORMAT_V2) : sizeof(ATOM_MEMORY_TIMING_FORMAT);
3922 
3923 	memset(mclk_range_table, 0, sizeof(struct atom_memory_clock_range_table));
3924 
3925 	if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3926 				   &frev, &crev, &data_offset)) {
3927 		vram_info = (union vram_info *)
3928 			(rdev->mode_info.atom_context->bios + data_offset);
3929 		switch (frev) {
3930 		case 1:
3931 			switch (crev) {
3932 			case 3:
3933 				DRM_ERROR("old table version %d, %d\n", frev, crev);
3934 				return -EINVAL;
3935 			case 4:
3936 				/* r7xx, evergreen */
3937 				if (module_index < vram_info->v1_4.ucNumOfVRAMModule) {
3938 					ATOM_VRAM_MODULE_V4 *vram_module =
3939 						(ATOM_VRAM_MODULE_V4 *)vram_info->v1_4.aVramInfo;
3940 					ATOM_MEMORY_TIMING_FORMAT *format;
3941 
3942 					for (i = 0; i < module_index; i++) {
3943 						if (le16_to_cpu(vram_module->usModuleSize) == 0)
3944 							return -EINVAL;
3945 						vram_module = (ATOM_VRAM_MODULE_V4 *)
3946 							((u8 *)vram_module + le16_to_cpu(vram_module->usModuleSize));
3947 					}
3948 					mclk_range_table->num_entries = (u8)
3949 						((le16_to_cpu(vram_module->usModuleSize) - offsetof(ATOM_VRAM_MODULE_V4, asMemTiming)) /
3950 						 mem_timing_size);
3951 					format = &vram_module->asMemTiming[0];
3952 					for (i = 0; i < mclk_range_table->num_entries; i++) {
3953 						mclk_range_table->mclk[i] = le32_to_cpu(format->ulClkRange);
3954 						format = (ATOM_MEMORY_TIMING_FORMAT *)
3955 							((u8 *)format + mem_timing_size);
3956 					}
3957 				} else
3958 					return -EINVAL;
3959 				break;
3960 			default:
3961 				DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3962 				return -EINVAL;
3963 			}
3964 			break;
3965 		case 2:
3966 			DRM_ERROR("new table version %d, %d\n", frev, crev);
3967 			return -EINVAL;
3968 		default:
3969 			DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3970 			return -EINVAL;
3971 		}
3972 		return 0;
3973 	}
3974 	return -EINVAL;
3975 }
3976 
3977 #define MEM_ID_MASK           0xff000000
3978 #define MEM_ID_SHIFT          24
3979 #define CLOCK_RANGE_MASK      0x00ffffff
3980 #define CLOCK_RANGE_SHIFT     0
3981 #define LOW_NIBBLE_MASK       0xf
3982 #define DATA_EQU_PREV         0
3983 #define DATA_FROM_TABLE       4
3984 
3985 int radeon_atom_init_mc_reg_table(struct radeon_device *rdev,
3986 				  u8 module_index,
3987 				  struct atom_mc_reg_table *reg_table)
3988 {
3989 	int index = GetIndexIntoMasterTable(DATA, VRAM_Info);
3990 	u8 frev, crev, num_entries, t_mem_id, num_ranges = 0;
3991 	u32 i = 0, j;
3992 	u16 data_offset, size;
3993 	union vram_info *vram_info;
3994 
3995 	memset(reg_table, 0, sizeof(struct atom_mc_reg_table));
3996 
3997 	if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3998 				   &frev, &crev, &data_offset)) {
3999 		vram_info = (union vram_info *)
4000 			(rdev->mode_info.atom_context->bios + data_offset);
4001 		switch (frev) {
4002 		case 1:
4003 			DRM_ERROR("old table version %d, %d\n", frev, crev);
4004 			return -EINVAL;
4005 		case 2:
4006 			switch (crev) {
4007 			case 1:
4008 				if (module_index < vram_info->v2_1.ucNumOfVRAMModule) {
4009 					ATOM_INIT_REG_BLOCK *reg_block =
4010 						(ATOM_INIT_REG_BLOCK *)
4011 						((u8 *)vram_info + le16_to_cpu(vram_info->v2_1.usMemClkPatchTblOffset));
4012 					ATOM_MEMORY_SETTING_DATA_BLOCK *reg_data =
4013 						(ATOM_MEMORY_SETTING_DATA_BLOCK *)
4014 						((u8 *)reg_block + (2 * sizeof(u16)) +
4015 						 le16_to_cpu(reg_block->usRegIndexTblSize));
4016 					ATOM_INIT_REG_INDEX_FORMAT *format = &reg_block->asRegIndexBuf[0];
4017 					num_entries = (u8)((le16_to_cpu(reg_block->usRegIndexTblSize)) /
4018 							   sizeof(ATOM_INIT_REG_INDEX_FORMAT)) - 1;
4019 					if (num_entries > VBIOS_MC_REGISTER_ARRAY_SIZE)
4020 						return -EINVAL;
4021 					while (i < num_entries) {
4022 						if (format->ucPreRegDataLength & ACCESS_PLACEHOLDER)
4023 							break;
4024 						reg_table->mc_reg_address[i].s1 =
4025 							(u16)(le16_to_cpu(format->usRegIndex));
4026 						reg_table->mc_reg_address[i].pre_reg_data =
4027 							(u8)(format->ucPreRegDataLength);
4028 						i++;
4029 						format = (ATOM_INIT_REG_INDEX_FORMAT *)
4030 							((u8 *)format + sizeof(ATOM_INIT_REG_INDEX_FORMAT));
4031 					}
4032 					reg_table->last = i;
4033 					while ((le32_to_cpu(*(u32 *)reg_data) != END_OF_REG_DATA_BLOCK) &&
4034 					       (num_ranges < VBIOS_MAX_AC_TIMING_ENTRIES)) {
4035 						t_mem_id = (u8)((le32_to_cpu(*(u32 *)reg_data) & MEM_ID_MASK)
4036 								>> MEM_ID_SHIFT);
4037 						if (module_index == t_mem_id) {
4038 							reg_table->mc_reg_table_entry[num_ranges].mclk_max =
4039 								(u32)((le32_to_cpu(*(u32 *)reg_data) & CLOCK_RANGE_MASK)
4040 								      >> CLOCK_RANGE_SHIFT);
4041 							for (i = 0, j = 1; i < reg_table->last; i++) {
4042 								if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_FROM_TABLE) {
4043 									reg_table->mc_reg_table_entry[num_ranges].mc_data[i] =
4044 										(u32)le32_to_cpu(*((u32 *)reg_data + j));
4045 									j++;
4046 								} else if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) {
4047 									reg_table->mc_reg_table_entry[num_ranges].mc_data[i] =
4048 										reg_table->mc_reg_table_entry[num_ranges].mc_data[i - 1];
4049 								}
4050 							}
4051 							num_ranges++;
4052 						}
4053 						reg_data = (ATOM_MEMORY_SETTING_DATA_BLOCK *)
4054 							((u8 *)reg_data + le16_to_cpu(reg_block->usRegDataBlkSize));
4055 					}
4056 					if (le32_to_cpu(*(u32 *)reg_data) != END_OF_REG_DATA_BLOCK)
4057 						return -EINVAL;
4058 					reg_table->num_entries = num_ranges;
4059 				} else
4060 					return -EINVAL;
4061 				break;
4062 			default:
4063 				DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
4064 				return -EINVAL;
4065 			}
4066 			break;
4067 		default:
4068 			DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
4069 			return -EINVAL;
4070 		}
4071 		return 0;
4072 	}
4073 	return -EINVAL;
4074 }
4075 
4076 void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev)
4077 {
4078 	struct radeon_device *rdev = dev->dev_private;
4079 	uint32_t bios_2_scratch, bios_6_scratch;
4080 
4081 	if (rdev->family >= CHIP_R600) {
4082 		bios_2_scratch = RREG32(R600_BIOS_2_SCRATCH);
4083 		bios_6_scratch = RREG32(R600_BIOS_6_SCRATCH);
4084 	} else {
4085 		bios_2_scratch = RREG32(RADEON_BIOS_2_SCRATCH);
4086 		bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
4087 	}
4088 
4089 	/* let the bios control the backlight */
4090 	bios_2_scratch &= ~ATOM_S2_VRI_BRIGHT_ENABLE;
4091 
4092 	/* tell the bios not to handle mode switching */
4093 	bios_6_scratch |= ATOM_S6_ACC_BLOCK_DISPLAY_SWITCH;
4094 
4095 	/* clear the vbios dpms state */
4096 	if (ASIC_IS_DCE4(rdev))
4097 		bios_2_scratch &= ~ATOM_S2_DEVICE_DPMS_STATE;
4098 
4099 	if (rdev->family >= CHIP_R600) {
4100 		WREG32(R600_BIOS_2_SCRATCH, bios_2_scratch);
4101 		WREG32(R600_BIOS_6_SCRATCH, bios_6_scratch);
4102 	} else {
4103 		WREG32(RADEON_BIOS_2_SCRATCH, bios_2_scratch);
4104 		WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
4105 	}
4106 
4107 }
4108 
4109 void radeon_save_bios_scratch_regs(struct radeon_device *rdev)
4110 {
4111 	uint32_t scratch_reg;
4112 	int i;
4113 
4114 	if (rdev->family >= CHIP_R600)
4115 		scratch_reg = R600_BIOS_0_SCRATCH;
4116 	else
4117 		scratch_reg = RADEON_BIOS_0_SCRATCH;
4118 
4119 	for (i = 0; i < RADEON_BIOS_NUM_SCRATCH; i++)
4120 		rdev->bios_scratch[i] = RREG32(scratch_reg + (i * 4));
4121 }
4122 
4123 void radeon_restore_bios_scratch_regs(struct radeon_device *rdev)
4124 {
4125 	uint32_t scratch_reg;
4126 	int i;
4127 
4128 	if (rdev->family >= CHIP_R600)
4129 		scratch_reg = R600_BIOS_0_SCRATCH;
4130 	else
4131 		scratch_reg = RADEON_BIOS_0_SCRATCH;
4132 
4133 	for (i = 0; i < RADEON_BIOS_NUM_SCRATCH; i++)
4134 		WREG32(scratch_reg + (i * 4), rdev->bios_scratch[i]);
4135 }
4136 
4137 void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock)
4138 {
4139 	struct drm_device *dev = encoder->dev;
4140 	struct radeon_device *rdev = dev->dev_private;
4141 	uint32_t bios_6_scratch;
4142 
4143 	if (rdev->family >= CHIP_R600)
4144 		bios_6_scratch = RREG32(R600_BIOS_6_SCRATCH);
4145 	else
4146 		bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
4147 
4148 	if (lock) {
4149 		bios_6_scratch |= ATOM_S6_CRITICAL_STATE;
4150 		bios_6_scratch &= ~ATOM_S6_ACC_MODE;
4151 	} else {
4152 		bios_6_scratch &= ~ATOM_S6_CRITICAL_STATE;
4153 		bios_6_scratch |= ATOM_S6_ACC_MODE;
4154 	}
4155 
4156 	if (rdev->family >= CHIP_R600)
4157 		WREG32(R600_BIOS_6_SCRATCH, bios_6_scratch);
4158 	else
4159 		WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
4160 }
4161 
4162 /* at some point we may want to break this out into individual functions */
4163 void
4164 radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
4165 				       struct drm_encoder *encoder,
4166 				       bool connected)
4167 {
4168 	struct drm_device *dev = connector->dev;
4169 	struct radeon_device *rdev = dev->dev_private;
4170 	struct radeon_connector *radeon_connector =
4171 	    to_radeon_connector(connector);
4172 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
4173 	uint32_t bios_0_scratch, bios_3_scratch, bios_6_scratch;
4174 
4175 	if (rdev->family >= CHIP_R600) {
4176 		bios_0_scratch = RREG32(R600_BIOS_0_SCRATCH);
4177 		bios_3_scratch = RREG32(R600_BIOS_3_SCRATCH);
4178 		bios_6_scratch = RREG32(R600_BIOS_6_SCRATCH);
4179 	} else {
4180 		bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
4181 		bios_3_scratch = RREG32(RADEON_BIOS_3_SCRATCH);
4182 		bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
4183 	}
4184 
4185 	if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
4186 	    (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
4187 		if (connected) {
4188 			DRM_DEBUG_KMS("TV1 connected\n");
4189 			bios_3_scratch |= ATOM_S3_TV1_ACTIVE;
4190 			bios_6_scratch |= ATOM_S6_ACC_REQ_TV1;
4191 		} else {
4192 			DRM_DEBUG_KMS("TV1 disconnected\n");
4193 			bios_0_scratch &= ~ATOM_S0_TV1_MASK;
4194 			bios_3_scratch &= ~ATOM_S3_TV1_ACTIVE;
4195 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_TV1;
4196 		}
4197 	}
4198 	if ((radeon_encoder->devices & ATOM_DEVICE_CV_SUPPORT) &&
4199 	    (radeon_connector->devices & ATOM_DEVICE_CV_SUPPORT)) {
4200 		if (connected) {
4201 			DRM_DEBUG_KMS("CV connected\n");
4202 			bios_3_scratch |= ATOM_S3_CV_ACTIVE;
4203 			bios_6_scratch |= ATOM_S6_ACC_REQ_CV;
4204 		} else {
4205 			DRM_DEBUG_KMS("CV disconnected\n");
4206 			bios_0_scratch &= ~ATOM_S0_CV_MASK;
4207 			bios_3_scratch &= ~ATOM_S3_CV_ACTIVE;
4208 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_CV;
4209 		}
4210 	}
4211 	if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
4212 	    (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
4213 		if (connected) {
4214 			DRM_DEBUG_KMS("LCD1 connected\n");
4215 			bios_0_scratch |= ATOM_S0_LCD1;
4216 			bios_3_scratch |= ATOM_S3_LCD1_ACTIVE;
4217 			bios_6_scratch |= ATOM_S6_ACC_REQ_LCD1;
4218 		} else {
4219 			DRM_DEBUG_KMS("LCD1 disconnected\n");
4220 			bios_0_scratch &= ~ATOM_S0_LCD1;
4221 			bios_3_scratch &= ~ATOM_S3_LCD1_ACTIVE;
4222 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_LCD1;
4223 		}
4224 	}
4225 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
4226 	    (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
4227 		if (connected) {
4228 			DRM_DEBUG_KMS("CRT1 connected\n");
4229 			bios_0_scratch |= ATOM_S0_CRT1_COLOR;
4230 			bios_3_scratch |= ATOM_S3_CRT1_ACTIVE;
4231 			bios_6_scratch |= ATOM_S6_ACC_REQ_CRT1;
4232 		} else {
4233 			DRM_DEBUG_KMS("CRT1 disconnected\n");
4234 			bios_0_scratch &= ~ATOM_S0_CRT1_MASK;
4235 			bios_3_scratch &= ~ATOM_S3_CRT1_ACTIVE;
4236 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_CRT1;
4237 		}
4238 	}
4239 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
4240 	    (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
4241 		if (connected) {
4242 			DRM_DEBUG_KMS("CRT2 connected\n");
4243 			bios_0_scratch |= ATOM_S0_CRT2_COLOR;
4244 			bios_3_scratch |= ATOM_S3_CRT2_ACTIVE;
4245 			bios_6_scratch |= ATOM_S6_ACC_REQ_CRT2;
4246 		} else {
4247 			DRM_DEBUG_KMS("CRT2 disconnected\n");
4248 			bios_0_scratch &= ~ATOM_S0_CRT2_MASK;
4249 			bios_3_scratch &= ~ATOM_S3_CRT2_ACTIVE;
4250 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_CRT2;
4251 		}
4252 	}
4253 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
4254 	    (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
4255 		if (connected) {
4256 			DRM_DEBUG_KMS("DFP1 connected\n");
4257 			bios_0_scratch |= ATOM_S0_DFP1;
4258 			bios_3_scratch |= ATOM_S3_DFP1_ACTIVE;
4259 			bios_6_scratch |= ATOM_S6_ACC_REQ_DFP1;
4260 		} else {
4261 			DRM_DEBUG_KMS("DFP1 disconnected\n");
4262 			bios_0_scratch &= ~ATOM_S0_DFP1;
4263 			bios_3_scratch &= ~ATOM_S3_DFP1_ACTIVE;
4264 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP1;
4265 		}
4266 	}
4267 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
4268 	    (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
4269 		if (connected) {
4270 			DRM_DEBUG_KMS("DFP2 connected\n");
4271 			bios_0_scratch |= ATOM_S0_DFP2;
4272 			bios_3_scratch |= ATOM_S3_DFP2_ACTIVE;
4273 			bios_6_scratch |= ATOM_S6_ACC_REQ_DFP2;
4274 		} else {
4275 			DRM_DEBUG_KMS("DFP2 disconnected\n");
4276 			bios_0_scratch &= ~ATOM_S0_DFP2;
4277 			bios_3_scratch &= ~ATOM_S3_DFP2_ACTIVE;
4278 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP2;
4279 		}
4280 	}
4281 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP3_SUPPORT) &&
4282 	    (radeon_connector->devices & ATOM_DEVICE_DFP3_SUPPORT)) {
4283 		if (connected) {
4284 			DRM_DEBUG_KMS("DFP3 connected\n");
4285 			bios_0_scratch |= ATOM_S0_DFP3;
4286 			bios_3_scratch |= ATOM_S3_DFP3_ACTIVE;
4287 			bios_6_scratch |= ATOM_S6_ACC_REQ_DFP3;
4288 		} else {
4289 			DRM_DEBUG_KMS("DFP3 disconnected\n");
4290 			bios_0_scratch &= ~ATOM_S0_DFP3;
4291 			bios_3_scratch &= ~ATOM_S3_DFP3_ACTIVE;
4292 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP3;
4293 		}
4294 	}
4295 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP4_SUPPORT) &&
4296 	    (radeon_connector->devices & ATOM_DEVICE_DFP4_SUPPORT)) {
4297 		if (connected) {
4298 			DRM_DEBUG_KMS("DFP4 connected\n");
4299 			bios_0_scratch |= ATOM_S0_DFP4;
4300 			bios_3_scratch |= ATOM_S3_DFP4_ACTIVE;
4301 			bios_6_scratch |= ATOM_S6_ACC_REQ_DFP4;
4302 		} else {
4303 			DRM_DEBUG_KMS("DFP4 disconnected\n");
4304 			bios_0_scratch &= ~ATOM_S0_DFP4;
4305 			bios_3_scratch &= ~ATOM_S3_DFP4_ACTIVE;
4306 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP4;
4307 		}
4308 	}
4309 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP5_SUPPORT) &&
4310 	    (radeon_connector->devices & ATOM_DEVICE_DFP5_SUPPORT)) {
4311 		if (connected) {
4312 			DRM_DEBUG_KMS("DFP5 connected\n");
4313 			bios_0_scratch |= ATOM_S0_DFP5;
4314 			bios_3_scratch |= ATOM_S3_DFP5_ACTIVE;
4315 			bios_6_scratch |= ATOM_S6_ACC_REQ_DFP5;
4316 		} else {
4317 			DRM_DEBUG_KMS("DFP5 disconnected\n");
4318 			bios_0_scratch &= ~ATOM_S0_DFP5;
4319 			bios_3_scratch &= ~ATOM_S3_DFP5_ACTIVE;
4320 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP5;
4321 		}
4322 	}
4323 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP6_SUPPORT) &&
4324 	    (radeon_connector->devices & ATOM_DEVICE_DFP6_SUPPORT)) {
4325 		if (connected) {
4326 			DRM_DEBUG_KMS("DFP6 connected\n");
4327 			bios_0_scratch |= ATOM_S0_DFP6;
4328 			bios_3_scratch |= ATOM_S3_DFP6_ACTIVE;
4329 			bios_6_scratch |= ATOM_S6_ACC_REQ_DFP6;
4330 		} else {
4331 			DRM_DEBUG_KMS("DFP6 disconnected\n");
4332 			bios_0_scratch &= ~ATOM_S0_DFP6;
4333 			bios_3_scratch &= ~ATOM_S3_DFP6_ACTIVE;
4334 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP6;
4335 		}
4336 	}
4337 
4338 	if (rdev->family >= CHIP_R600) {
4339 		WREG32(R600_BIOS_0_SCRATCH, bios_0_scratch);
4340 		WREG32(R600_BIOS_3_SCRATCH, bios_3_scratch);
4341 		WREG32(R600_BIOS_6_SCRATCH, bios_6_scratch);
4342 	} else {
4343 		WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
4344 		WREG32(RADEON_BIOS_3_SCRATCH, bios_3_scratch);
4345 		WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
4346 	}
4347 }
4348 
4349 void
4350 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
4351 {
4352 	struct drm_device *dev = encoder->dev;
4353 	struct radeon_device *rdev = dev->dev_private;
4354 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
4355 	uint32_t bios_3_scratch;
4356 
4357 	if (ASIC_IS_DCE4(rdev))
4358 		return;
4359 
4360 	if (rdev->family >= CHIP_R600)
4361 		bios_3_scratch = RREG32(R600_BIOS_3_SCRATCH);
4362 	else
4363 		bios_3_scratch = RREG32(RADEON_BIOS_3_SCRATCH);
4364 
4365 	if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
4366 		bios_3_scratch &= ~ATOM_S3_TV1_CRTC_ACTIVE;
4367 		bios_3_scratch |= (crtc << 18);
4368 	}
4369 	if (radeon_encoder->devices & ATOM_DEVICE_CV_SUPPORT) {
4370 		bios_3_scratch &= ~ATOM_S3_CV_CRTC_ACTIVE;
4371 		bios_3_scratch |= (crtc << 24);
4372 	}
4373 	if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
4374 		bios_3_scratch &= ~ATOM_S3_CRT1_CRTC_ACTIVE;
4375 		bios_3_scratch |= (crtc << 16);
4376 	}
4377 	if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
4378 		bios_3_scratch &= ~ATOM_S3_CRT2_CRTC_ACTIVE;
4379 		bios_3_scratch |= (crtc << 20);
4380 	}
4381 	if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
4382 		bios_3_scratch &= ~ATOM_S3_LCD1_CRTC_ACTIVE;
4383 		bios_3_scratch |= (crtc << 17);
4384 	}
4385 	if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
4386 		bios_3_scratch &= ~ATOM_S3_DFP1_CRTC_ACTIVE;
4387 		bios_3_scratch |= (crtc << 19);
4388 	}
4389 	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
4390 		bios_3_scratch &= ~ATOM_S3_DFP2_CRTC_ACTIVE;
4391 		bios_3_scratch |= (crtc << 23);
4392 	}
4393 	if (radeon_encoder->devices & ATOM_DEVICE_DFP3_SUPPORT) {
4394 		bios_3_scratch &= ~ATOM_S3_DFP3_CRTC_ACTIVE;
4395 		bios_3_scratch |= (crtc << 25);
4396 	}
4397 
4398 	if (rdev->family >= CHIP_R600)
4399 		WREG32(R600_BIOS_3_SCRATCH, bios_3_scratch);
4400 	else
4401 		WREG32(RADEON_BIOS_3_SCRATCH, bios_3_scratch);
4402 }
4403 
4404 void
4405 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
4406 {
4407 	struct drm_device *dev = encoder->dev;
4408 	struct radeon_device *rdev = dev->dev_private;
4409 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
4410 	uint32_t bios_2_scratch;
4411 
4412 	if (ASIC_IS_DCE4(rdev))
4413 		return;
4414 
4415 	if (rdev->family >= CHIP_R600)
4416 		bios_2_scratch = RREG32(R600_BIOS_2_SCRATCH);
4417 	else
4418 		bios_2_scratch = RREG32(RADEON_BIOS_2_SCRATCH);
4419 
4420 	if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
4421 		if (on)
4422 			bios_2_scratch &= ~ATOM_S2_TV1_DPMS_STATE;
4423 		else
4424 			bios_2_scratch |= ATOM_S2_TV1_DPMS_STATE;
4425 	}
4426 	if (radeon_encoder->devices & ATOM_DEVICE_CV_SUPPORT) {
4427 		if (on)
4428 			bios_2_scratch &= ~ATOM_S2_CV_DPMS_STATE;
4429 		else
4430 			bios_2_scratch |= ATOM_S2_CV_DPMS_STATE;
4431 	}
4432 	if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
4433 		if (on)
4434 			bios_2_scratch &= ~ATOM_S2_CRT1_DPMS_STATE;
4435 		else
4436 			bios_2_scratch |= ATOM_S2_CRT1_DPMS_STATE;
4437 	}
4438 	if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
4439 		if (on)
4440 			bios_2_scratch &= ~ATOM_S2_CRT2_DPMS_STATE;
4441 		else
4442 			bios_2_scratch |= ATOM_S2_CRT2_DPMS_STATE;
4443 	}
4444 	if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
4445 		if (on)
4446 			bios_2_scratch &= ~ATOM_S2_LCD1_DPMS_STATE;
4447 		else
4448 			bios_2_scratch |= ATOM_S2_LCD1_DPMS_STATE;
4449 	}
4450 	if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
4451 		if (on)
4452 			bios_2_scratch &= ~ATOM_S2_DFP1_DPMS_STATE;
4453 		else
4454 			bios_2_scratch |= ATOM_S2_DFP1_DPMS_STATE;
4455 	}
4456 	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
4457 		if (on)
4458 			bios_2_scratch &= ~ATOM_S2_DFP2_DPMS_STATE;
4459 		else
4460 			bios_2_scratch |= ATOM_S2_DFP2_DPMS_STATE;
4461 	}
4462 	if (radeon_encoder->devices & ATOM_DEVICE_DFP3_SUPPORT) {
4463 		if (on)
4464 			bios_2_scratch &= ~ATOM_S2_DFP3_DPMS_STATE;
4465 		else
4466 			bios_2_scratch |= ATOM_S2_DFP3_DPMS_STATE;
4467 	}
4468 	if (radeon_encoder->devices & ATOM_DEVICE_DFP4_SUPPORT) {
4469 		if (on)
4470 			bios_2_scratch &= ~ATOM_S2_DFP4_DPMS_STATE;
4471 		else
4472 			bios_2_scratch |= ATOM_S2_DFP4_DPMS_STATE;
4473 	}
4474 	if (radeon_encoder->devices & ATOM_DEVICE_DFP5_SUPPORT) {
4475 		if (on)
4476 			bios_2_scratch &= ~ATOM_S2_DFP5_DPMS_STATE;
4477 		else
4478 			bios_2_scratch |= ATOM_S2_DFP5_DPMS_STATE;
4479 	}
4480 
4481 	if (rdev->family >= CHIP_R600)
4482 		WREG32(R600_BIOS_2_SCRATCH, bios_2_scratch);
4483 	else
4484 		WREG32(RADEON_BIOS_2_SCRATCH, bios_2_scratch);
4485 }
4486