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 <linux/pci.h>
28 
29 #include <drm/drm_device.h>
30 #include <drm/radeon_drm.h>
31 
32 #include "radeon.h"
33 
34 #include "atom.h"
35 #include "atom-bits.h"
36 #include "radeon_asic.h"
37 #include "radeon_atombios.h"
38 #include "radeon_legacy_encoders.h"
39 
40 union atom_supported_devices {
41 	struct _ATOM_SUPPORTED_DEVICES_INFO info;
42 	struct _ATOM_SUPPORTED_DEVICES_INFO_2 info_2;
43 	struct _ATOM_SUPPORTED_DEVICES_INFO_2d1 info_2d1;
44 };
45 
radeon_lookup_i2c_gpio_quirks(struct radeon_device * rdev,ATOM_GPIO_I2C_ASSIGMENT * gpio,u8 index)46 static void radeon_lookup_i2c_gpio_quirks(struct radeon_device *rdev,
47 					  ATOM_GPIO_I2C_ASSIGMENT *gpio,
48 					  u8 index)
49 {
50 	/* r4xx mask is technically not used by the hw, so patch in the legacy mask bits */
51 	if ((rdev->family == CHIP_R420) ||
52 	    (rdev->family == CHIP_R423) ||
53 	    (rdev->family == CHIP_RV410)) {
54 		if ((le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0018) ||
55 		    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0019) ||
56 		    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x001a)) {
57 			gpio->ucClkMaskShift = 0x19;
58 			gpio->ucDataMaskShift = 0x18;
59 		}
60 	}
61 
62 	/* some evergreen boards have bad data for this entry */
63 	if (ASIC_IS_DCE4(rdev)) {
64 		if ((index == 7) &&
65 		    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1936) &&
66 		    (gpio->sucI2cId.ucAccess == 0)) {
67 			gpio->sucI2cId.ucAccess = 0x97;
68 			gpio->ucDataMaskShift = 8;
69 			gpio->ucDataEnShift = 8;
70 			gpio->ucDataY_Shift = 8;
71 			gpio->ucDataA_Shift = 8;
72 		}
73 	}
74 
75 	/* some DCE3 boards have bad data for this entry */
76 	if (ASIC_IS_DCE3(rdev)) {
77 		if ((index == 4) &&
78 		    (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x1fda) &&
79 		    (gpio->sucI2cId.ucAccess == 0x94))
80 			gpio->sucI2cId.ucAccess = 0x14;
81 	}
82 }
83 
radeon_get_bus_rec_for_i2c_gpio(ATOM_GPIO_I2C_ASSIGMENT * gpio)84 static struct radeon_i2c_bus_rec radeon_get_bus_rec_for_i2c_gpio(ATOM_GPIO_I2C_ASSIGMENT *gpio)
85 {
86 	struct radeon_i2c_bus_rec i2c;
87 
88 	memset(&i2c, 0, sizeof(struct radeon_i2c_bus_rec));
89 
90 	i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4;
91 	i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4;
92 	i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4;
93 	i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4;
94 	i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4;
95 	i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4;
96 	i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4;
97 	i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4;
98 	i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
99 	i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
100 	i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
101 	i2c.en_data_mask = (1 << gpio->ucDataEnShift);
102 	i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
103 	i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
104 	i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
105 	i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
106 
107 	if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
108 		i2c.hw_capable = true;
109 	else
110 		i2c.hw_capable = false;
111 
112 	if (gpio->sucI2cId.ucAccess == 0xa0)
113 		i2c.mm_i2c = true;
114 	else
115 		i2c.mm_i2c = false;
116 
117 	i2c.i2c_id = gpio->sucI2cId.ucAccess;
118 
119 	if (i2c.mask_clk_reg)
120 		i2c.valid = true;
121 	else
122 		i2c.valid = false;
123 
124 	return i2c;
125 }
126 
radeon_lookup_i2c_gpio(struct radeon_device * rdev,uint8_t id)127 static struct radeon_i2c_bus_rec radeon_lookup_i2c_gpio(struct radeon_device *rdev,
128 							       uint8_t id)
129 {
130 	struct atom_context *ctx = rdev->mode_info.atom_context;
131 	ATOM_GPIO_I2C_ASSIGMENT *gpio;
132 	struct radeon_i2c_bus_rec i2c;
133 	int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info);
134 	struct _ATOM_GPIO_I2C_INFO *i2c_info;
135 	uint16_t data_offset, size;
136 	int i, num_indices;
137 
138 	memset(&i2c, 0, sizeof(struct radeon_i2c_bus_rec));
139 	i2c.valid = false;
140 
141 	if (atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
142 		i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
143 
144 		num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
145 			sizeof(ATOM_GPIO_I2C_ASSIGMENT);
146 
147 		gpio = &i2c_info->asGPIO_Info[0];
148 		for (i = 0; i < num_indices; i++) {
149 
150 			radeon_lookup_i2c_gpio_quirks(rdev, gpio, i);
151 
152 			if (gpio->sucI2cId.ucAccess == id) {
153 				i2c = radeon_get_bus_rec_for_i2c_gpio(gpio);
154 				break;
155 			}
156 			gpio = (ATOM_GPIO_I2C_ASSIGMENT *)
157 				((u8 *)gpio + sizeof(ATOM_GPIO_I2C_ASSIGMENT));
158 		}
159 	}
160 
161 	return i2c;
162 }
163 
radeon_atombios_i2c_init(struct radeon_device * rdev)164 void radeon_atombios_i2c_init(struct radeon_device *rdev)
165 {
166 	struct atom_context *ctx = rdev->mode_info.atom_context;
167 	ATOM_GPIO_I2C_ASSIGMENT *gpio;
168 	struct radeon_i2c_bus_rec i2c;
169 	int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info);
170 	struct _ATOM_GPIO_I2C_INFO *i2c_info;
171 	uint16_t data_offset, size;
172 	int i, num_indices;
173 	char stmp[32];
174 
175 	if (atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
176 		i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
177 
178 		num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
179 			sizeof(ATOM_GPIO_I2C_ASSIGMENT);
180 
181 		gpio = &i2c_info->asGPIO_Info[0];
182 		for (i = 0; i < num_indices; i++) {
183 			radeon_lookup_i2c_gpio_quirks(rdev, gpio, i);
184 
185 			i2c = radeon_get_bus_rec_for_i2c_gpio(gpio);
186 
187 			if (i2c.valid) {
188 				sprintf(stmp, "0x%x", i2c.i2c_id);
189 				rdev->i2c_bus[i] = radeon_i2c_create(rdev->ddev, &i2c, stmp);
190 			}
191 			gpio = (ATOM_GPIO_I2C_ASSIGMENT *)
192 				((u8 *)gpio + sizeof(ATOM_GPIO_I2C_ASSIGMENT));
193 		}
194 	}
195 }
196 
radeon_atombios_lookup_gpio(struct radeon_device * rdev,u8 id)197 struct radeon_gpio_rec radeon_atombios_lookup_gpio(struct radeon_device *rdev,
198 						   u8 id)
199 {
200 	struct atom_context *ctx = rdev->mode_info.atom_context;
201 	struct radeon_gpio_rec gpio;
202 	int index = GetIndexIntoMasterTable(DATA, GPIO_Pin_LUT);
203 	struct _ATOM_GPIO_PIN_LUT *gpio_info;
204 	ATOM_GPIO_PIN_ASSIGNMENT *pin;
205 	u16 data_offset, size;
206 	int i, num_indices;
207 
208 	memset(&gpio, 0, sizeof(struct radeon_gpio_rec));
209 	gpio.valid = false;
210 
211 	if (atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
212 		gpio_info = (struct _ATOM_GPIO_PIN_LUT *)(ctx->bios + data_offset);
213 
214 		num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
215 			sizeof(ATOM_GPIO_PIN_ASSIGNMENT);
216 
217 		pin = gpio_info->asGPIO_Pin;
218 		for (i = 0; i < num_indices; i++) {
219 			if (id == pin->ucGPIO_ID) {
220 				gpio.id = pin->ucGPIO_ID;
221 				gpio.reg = le16_to_cpu(pin->usGpioPin_AIndex) * 4;
222 				gpio.shift = pin->ucGpioPinBitShift;
223 				gpio.mask = (1 << pin->ucGpioPinBitShift);
224 				gpio.valid = true;
225 				break;
226 			}
227 			pin = (ATOM_GPIO_PIN_ASSIGNMENT *)
228 				((u8 *)pin + sizeof(ATOM_GPIO_PIN_ASSIGNMENT));
229 		}
230 	}
231 
232 	return gpio;
233 }
234 
radeon_atom_get_hpd_info_from_gpio(struct radeon_device * rdev,struct radeon_gpio_rec * gpio)235 static struct radeon_hpd radeon_atom_get_hpd_info_from_gpio(struct radeon_device *rdev,
236 							    struct radeon_gpio_rec *gpio)
237 {
238 	struct radeon_hpd hpd;
239 	u32 reg;
240 
241 	memset(&hpd, 0, sizeof(struct radeon_hpd));
242 
243 	if (ASIC_IS_DCE6(rdev))
244 		reg = SI_DC_GPIO_HPD_A;
245 	else if (ASIC_IS_DCE4(rdev))
246 		reg = EVERGREEN_DC_GPIO_HPD_A;
247 	else
248 		reg = AVIVO_DC_GPIO_HPD_A;
249 
250 	hpd.gpio = *gpio;
251 	if (gpio->reg == reg) {
252 		switch(gpio->mask) {
253 		case (1 << 0):
254 			hpd.hpd = RADEON_HPD_1;
255 			break;
256 		case (1 << 8):
257 			hpd.hpd = RADEON_HPD_2;
258 			break;
259 		case (1 << 16):
260 			hpd.hpd = RADEON_HPD_3;
261 			break;
262 		case (1 << 24):
263 			hpd.hpd = RADEON_HPD_4;
264 			break;
265 		case (1 << 26):
266 			hpd.hpd = RADEON_HPD_5;
267 			break;
268 		case (1 << 28):
269 			hpd.hpd = RADEON_HPD_6;
270 			break;
271 		default:
272 			hpd.hpd = RADEON_HPD_NONE;
273 			break;
274 		}
275 	} else
276 		hpd.hpd = RADEON_HPD_NONE;
277 	return hpd;
278 }
279 
radeon_atom_apply_quirks(struct drm_device * dev,uint32_t supported_device,int * connector_type,struct radeon_i2c_bus_rec * i2c_bus,uint16_t * line_mux,struct radeon_hpd * hpd)280 static bool radeon_atom_apply_quirks(struct drm_device *dev,
281 				     uint32_t supported_device,
282 				     int *connector_type,
283 				     struct radeon_i2c_bus_rec *i2c_bus,
284 				     uint16_t *line_mux,
285 				     struct radeon_hpd *hpd)
286 {
287 	struct pci_dev *pdev = to_pci_dev(dev->dev);
288 
289 	/* Asus M2A-VM HDMI board lists the DVI port as HDMI */
290 	if ((pdev->device == 0x791e) &&
291 	    (pdev->subsystem_vendor == 0x1043) &&
292 	    (pdev->subsystem_device == 0x826d)) {
293 		if ((*connector_type == DRM_MODE_CONNECTOR_HDMIA) &&
294 		    (supported_device == ATOM_DEVICE_DFP3_SUPPORT))
295 			*connector_type = DRM_MODE_CONNECTOR_DVID;
296 	}
297 
298 	/* Asrock RS600 board lists the DVI port as HDMI */
299 	if ((pdev->device == 0x7941) &&
300 	    (pdev->subsystem_vendor == 0x1849) &&
301 	    (pdev->subsystem_device == 0x7941)) {
302 		if ((*connector_type == DRM_MODE_CONNECTOR_HDMIA) &&
303 		    (supported_device == ATOM_DEVICE_DFP3_SUPPORT))
304 			*connector_type = DRM_MODE_CONNECTOR_DVID;
305 	}
306 
307 	/* MSI K9A2GM V2/V3 board has no HDMI or DVI */
308 	if ((pdev->device == 0x796e) &&
309 	    (pdev->subsystem_vendor == 0x1462) &&
310 	    (pdev->subsystem_device == 0x7302)) {
311 		if ((supported_device == ATOM_DEVICE_DFP2_SUPPORT) ||
312 		    (supported_device == ATOM_DEVICE_DFP3_SUPPORT))
313 			return false;
314 	}
315 
316 	/* a-bit f-i90hd - ciaranm on #radeonhd - this board has no DVI */
317 	if ((pdev->device == 0x7941) &&
318 	    (pdev->subsystem_vendor == 0x147b) &&
319 	    (pdev->subsystem_device == 0x2412)) {
320 		if (*connector_type == DRM_MODE_CONNECTOR_DVII)
321 			return false;
322 	}
323 
324 	/* Falcon NW laptop lists vga ddc line for LVDS */
325 	if ((pdev->device == 0x5653) &&
326 	    (pdev->subsystem_vendor == 0x1462) &&
327 	    (pdev->subsystem_device == 0x0291)) {
328 		if (*connector_type == DRM_MODE_CONNECTOR_LVDS) {
329 			i2c_bus->valid = false;
330 			*line_mux = 53;
331 		}
332 	}
333 
334 	/* HIS X1300 is DVI+VGA, not DVI+DVI */
335 	if ((pdev->device == 0x7146) &&
336 	    (pdev->subsystem_vendor == 0x17af) &&
337 	    (pdev->subsystem_device == 0x2058)) {
338 		if (supported_device == ATOM_DEVICE_DFP1_SUPPORT)
339 			return false;
340 	}
341 
342 	/* Gigabyte X1300 is DVI+VGA, not DVI+DVI */
343 	if ((pdev->device == 0x7142) &&
344 	    (pdev->subsystem_vendor == 0x1458) &&
345 	    (pdev->subsystem_device == 0x2134)) {
346 		if (supported_device == ATOM_DEVICE_DFP1_SUPPORT)
347 			return false;
348 	}
349 
350 
351 	/* Funky macbooks */
352 	if ((pdev->device == 0x71C5) &&
353 	    (pdev->subsystem_vendor == 0x106b) &&
354 	    (pdev->subsystem_device == 0x0080)) {
355 		if ((supported_device == ATOM_DEVICE_CRT1_SUPPORT) ||
356 		    (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
357 			return false;
358 		if (supported_device == ATOM_DEVICE_CRT2_SUPPORT)
359 			*line_mux = 0x90;
360 	}
361 
362 	/* mac rv630, rv730, others */
363 	if ((supported_device == ATOM_DEVICE_TV1_SUPPORT) &&
364 	    (*connector_type == DRM_MODE_CONNECTOR_DVII)) {
365 		*connector_type = DRM_MODE_CONNECTOR_9PinDIN;
366 		*line_mux = CONNECTOR_7PIN_DIN_ENUM_ID1;
367 	}
368 
369 	/* ASUS HD 3600 XT board lists the DVI port as HDMI */
370 	if ((pdev->device == 0x9598) &&
371 	    (pdev->subsystem_vendor == 0x1043) &&
372 	    (pdev->subsystem_device == 0x01da)) {
373 		if (*connector_type == DRM_MODE_CONNECTOR_HDMIA) {
374 			*connector_type = DRM_MODE_CONNECTOR_DVII;
375 		}
376 	}
377 
378 	/* ASUS HD 3600 board lists the DVI port as HDMI */
379 	if ((pdev->device == 0x9598) &&
380 	    (pdev->subsystem_vendor == 0x1043) &&
381 	    (pdev->subsystem_device == 0x01e4)) {
382 		if (*connector_type == DRM_MODE_CONNECTOR_HDMIA) {
383 			*connector_type = DRM_MODE_CONNECTOR_DVII;
384 		}
385 	}
386 
387 	/* ASUS HD 3450 board lists the DVI port as HDMI */
388 	if ((pdev->device == 0x95C5) &&
389 	    (pdev->subsystem_vendor == 0x1043) &&
390 	    (pdev->subsystem_device == 0x01e2)) {
391 		if (*connector_type == DRM_MODE_CONNECTOR_HDMIA) {
392 			*connector_type = DRM_MODE_CONNECTOR_DVII;
393 		}
394 	}
395 
396 	/* some BIOSes seem to report DAC on HDMI - usually this is a board with
397 	 * HDMI + VGA reporting as HDMI
398 	 */
399 	if (*connector_type == DRM_MODE_CONNECTOR_HDMIA) {
400 		if (supported_device & (ATOM_DEVICE_CRT_SUPPORT)) {
401 			*connector_type = DRM_MODE_CONNECTOR_VGA;
402 			*line_mux = 0;
403 		}
404 	}
405 
406 	/* Acer laptop (Acer TravelMate 5730/5730G) has an HDMI port
407 	 * on the laptop and a DVI port on the docking station and
408 	 * both share the same encoder, hpd pin, and ddc line.
409 	 * So while the bios table is technically correct,
410 	 * we drop the DVI port here since xrandr has no concept of
411 	 * encoders and will try and drive both connectors
412 	 * with different crtcs which isn't possible on the hardware
413 	 * side and leaves no crtcs for LVDS or VGA.
414 	 */
415 	if (((pdev->device == 0x95c4) || (pdev->device == 0x9591)) &&
416 	    (pdev->subsystem_vendor == 0x1025) &&
417 	    (pdev->subsystem_device == 0x013c)) {
418 		if ((*connector_type == DRM_MODE_CONNECTOR_DVII) &&
419 		    (supported_device == ATOM_DEVICE_DFP1_SUPPORT)) {
420 			/* actually it's a DVI-D port not DVI-I */
421 			*connector_type = DRM_MODE_CONNECTOR_DVID;
422 			return false;
423 		}
424 	}
425 
426 	/* XFX Pine Group device rv730 reports no VGA DDC lines
427 	 * even though they are wired up to record 0x93
428 	 */
429 	if ((pdev->device == 0x9498) &&
430 	    (pdev->subsystem_vendor == 0x1682) &&
431 	    (pdev->subsystem_device == 0x2452) &&
432 	    (i2c_bus->valid == false) &&
433 	    !(supported_device & (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT))) {
434 		struct radeon_device *rdev = dev->dev_private;
435 		*i2c_bus = radeon_lookup_i2c_gpio(rdev, 0x93);
436 	}
437 
438 	/* Fujitsu D3003-S2 board lists DVI-I as DVI-D and VGA */
439 	if (((pdev->device == 0x9802) ||
440 	     (pdev->device == 0x9805) ||
441 	     (pdev->device == 0x9806)) &&
442 	    (pdev->subsystem_vendor == 0x1734) &&
443 	    (pdev->subsystem_device == 0x11bd)) {
444 		if (*connector_type == DRM_MODE_CONNECTOR_VGA) {
445 			*connector_type = DRM_MODE_CONNECTOR_DVII;
446 			*line_mux = 0x3103;
447 		} else if (*connector_type == DRM_MODE_CONNECTOR_DVID) {
448 			*connector_type = DRM_MODE_CONNECTOR_DVII;
449 		}
450 	}
451 
452 	return true;
453 }
454 
455 static const int supported_devices_connector_convert[] = {
456 	DRM_MODE_CONNECTOR_Unknown,
457 	DRM_MODE_CONNECTOR_VGA,
458 	DRM_MODE_CONNECTOR_DVII,
459 	DRM_MODE_CONNECTOR_DVID,
460 	DRM_MODE_CONNECTOR_DVIA,
461 	DRM_MODE_CONNECTOR_SVIDEO,
462 	DRM_MODE_CONNECTOR_Composite,
463 	DRM_MODE_CONNECTOR_LVDS,
464 	DRM_MODE_CONNECTOR_Unknown,
465 	DRM_MODE_CONNECTOR_Unknown,
466 	DRM_MODE_CONNECTOR_HDMIA,
467 	DRM_MODE_CONNECTOR_HDMIB,
468 	DRM_MODE_CONNECTOR_Unknown,
469 	DRM_MODE_CONNECTOR_Unknown,
470 	DRM_MODE_CONNECTOR_9PinDIN,
471 	DRM_MODE_CONNECTOR_DisplayPort
472 };
473 
474 static const uint16_t supported_devices_connector_object_id_convert[] = {
475 	CONNECTOR_OBJECT_ID_NONE,
476 	CONNECTOR_OBJECT_ID_VGA,
477 	CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I, /* not all boards support DL */
478 	CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D, /* not all boards support DL */
479 	CONNECTOR_OBJECT_ID_VGA, /* technically DVI-A */
480 	CONNECTOR_OBJECT_ID_COMPOSITE,
481 	CONNECTOR_OBJECT_ID_SVIDEO,
482 	CONNECTOR_OBJECT_ID_LVDS,
483 	CONNECTOR_OBJECT_ID_9PIN_DIN,
484 	CONNECTOR_OBJECT_ID_9PIN_DIN,
485 	CONNECTOR_OBJECT_ID_DISPLAYPORT,
486 	CONNECTOR_OBJECT_ID_HDMI_TYPE_A,
487 	CONNECTOR_OBJECT_ID_HDMI_TYPE_B,
488 	CONNECTOR_OBJECT_ID_SVIDEO
489 };
490 
491 static const int object_connector_convert[] = {
492 	DRM_MODE_CONNECTOR_Unknown,
493 	DRM_MODE_CONNECTOR_DVII,
494 	DRM_MODE_CONNECTOR_DVII,
495 	DRM_MODE_CONNECTOR_DVID,
496 	DRM_MODE_CONNECTOR_DVID,
497 	DRM_MODE_CONNECTOR_VGA,
498 	DRM_MODE_CONNECTOR_Composite,
499 	DRM_MODE_CONNECTOR_SVIDEO,
500 	DRM_MODE_CONNECTOR_Unknown,
501 	DRM_MODE_CONNECTOR_Unknown,
502 	DRM_MODE_CONNECTOR_9PinDIN,
503 	DRM_MODE_CONNECTOR_Unknown,
504 	DRM_MODE_CONNECTOR_HDMIA,
505 	DRM_MODE_CONNECTOR_HDMIB,
506 	DRM_MODE_CONNECTOR_LVDS,
507 	DRM_MODE_CONNECTOR_9PinDIN,
508 	DRM_MODE_CONNECTOR_Unknown,
509 	DRM_MODE_CONNECTOR_Unknown,
510 	DRM_MODE_CONNECTOR_Unknown,
511 	DRM_MODE_CONNECTOR_DisplayPort,
512 	DRM_MODE_CONNECTOR_eDP,
513 	DRM_MODE_CONNECTOR_Unknown
514 };
515 
radeon_get_atom_connector_info_from_object_table(struct drm_device * dev)516 bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
517 {
518 	struct radeon_device *rdev = dev->dev_private;
519 	struct radeon_mode_info *mode_info = &rdev->mode_info;
520 	struct atom_context *ctx = mode_info->atom_context;
521 	int index = GetIndexIntoMasterTable(DATA, Object_Header);
522 	u16 size, data_offset;
523 	u8 frev, crev;
524 	ATOM_CONNECTOR_OBJECT_TABLE *con_obj;
525 	ATOM_ENCODER_OBJECT_TABLE *enc_obj;
526 	ATOM_OBJECT_TABLE *router_obj;
527 	ATOM_DISPLAY_OBJECT_PATH_TABLE *path_obj;
528 	ATOM_OBJECT_HEADER *obj_header;
529 	int i, j, k, path_size, device_support;
530 	int connector_type;
531 	u16 igp_lane_info, conn_id, connector_object_id;
532 	struct radeon_i2c_bus_rec ddc_bus;
533 	struct radeon_router router;
534 	struct radeon_gpio_rec gpio;
535 	struct radeon_hpd hpd;
536 
537 	if (!atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset))
538 		return false;
539 
540 	if (crev < 2)
541 		return false;
542 
543 	obj_header = (ATOM_OBJECT_HEADER *) (ctx->bios + data_offset);
544 	path_obj = (ATOM_DISPLAY_OBJECT_PATH_TABLE *)
545 	    (ctx->bios + data_offset +
546 	     le16_to_cpu(obj_header->usDisplayPathTableOffset));
547 	con_obj = (ATOM_CONNECTOR_OBJECT_TABLE *)
548 	    (ctx->bios + data_offset +
549 	     le16_to_cpu(obj_header->usConnectorObjectTableOffset));
550 	enc_obj = (ATOM_ENCODER_OBJECT_TABLE *)
551 	    (ctx->bios + data_offset +
552 	     le16_to_cpu(obj_header->usEncoderObjectTableOffset));
553 	router_obj = (ATOM_OBJECT_TABLE *)
554 		(ctx->bios + data_offset +
555 		 le16_to_cpu(obj_header->usRouterObjectTableOffset));
556 	device_support = le16_to_cpu(obj_header->usDeviceSupport);
557 
558 	path_size = 0;
559 	for (i = 0; i < path_obj->ucNumOfDispPath; i++) {
560 		uint8_t *addr = (uint8_t *) path_obj->asDispPath;
561 		ATOM_DISPLAY_OBJECT_PATH *path;
562 		addr += path_size;
563 		path = (ATOM_DISPLAY_OBJECT_PATH *) addr;
564 		path_size += le16_to_cpu(path->usSize);
565 
566 		if (device_support & le16_to_cpu(path->usDeviceTag)) {
567 			uint8_t con_obj_id, con_obj_num;
568 
569 			con_obj_id =
570 			    (le16_to_cpu(path->usConnObjectId) & OBJECT_ID_MASK)
571 			    >> OBJECT_ID_SHIFT;
572 			con_obj_num =
573 			    (le16_to_cpu(path->usConnObjectId) & ENUM_ID_MASK)
574 			    >> ENUM_ID_SHIFT;
575 
576 			/* TODO CV support */
577 			if (le16_to_cpu(path->usDeviceTag) ==
578 				ATOM_DEVICE_CV_SUPPORT)
579 				continue;
580 
581 			/* IGP chips */
582 			if ((rdev->flags & RADEON_IS_IGP) &&
583 			    (con_obj_id ==
584 			     CONNECTOR_OBJECT_ID_PCIE_CONNECTOR)) {
585 				uint16_t igp_offset = 0;
586 				ATOM_INTEGRATED_SYSTEM_INFO_V2 *igp_obj;
587 
588 				index =
589 				    GetIndexIntoMasterTable(DATA,
590 							    IntegratedSystemInfo);
591 
592 				if (atom_parse_data_header(ctx, index, &size, &frev,
593 							   &crev, &igp_offset)) {
594 
595 					if (crev >= 2) {
596 						igp_obj =
597 							(ATOM_INTEGRATED_SYSTEM_INFO_V2
598 							 *) (ctx->bios + igp_offset);
599 
600 						if (igp_obj) {
601 							uint32_t slot_config, ct;
602 
603 							if (con_obj_num == 1)
604 								slot_config =
605 									igp_obj->
606 									ulDDISlot1Config;
607 							else
608 								slot_config =
609 									igp_obj->
610 									ulDDISlot2Config;
611 
612 							ct = (slot_config >> 16) & 0xff;
613 							connector_type =
614 								object_connector_convert
615 								[ct];
616 							connector_object_id = ct;
617 							igp_lane_info =
618 								slot_config & 0xffff;
619 						} else
620 							continue;
621 					} else
622 						continue;
623 				} else {
624 					igp_lane_info = 0;
625 					connector_type =
626 						object_connector_convert[con_obj_id];
627 					connector_object_id = con_obj_id;
628 				}
629 			} else {
630 				igp_lane_info = 0;
631 				connector_type =
632 				    object_connector_convert[con_obj_id];
633 				connector_object_id = con_obj_id;
634 			}
635 
636 			if (connector_type == DRM_MODE_CONNECTOR_Unknown)
637 				continue;
638 
639 			router.ddc_valid = false;
640 			router.cd_valid = false;
641 			for (j = 0; j < ((le16_to_cpu(path->usSize) - 8) / 2); j++) {
642 				uint8_t grph_obj_type =
643 				    (le16_to_cpu(path->usGraphicObjIds[j]) &
644 				     OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
645 
646 				if (grph_obj_type == GRAPH_OBJECT_TYPE_ENCODER) {
647 					for (k = 0; k < enc_obj->ucNumberOfObjects; k++) {
648 						u16 encoder_obj = le16_to_cpu(enc_obj->asObjects[k].usObjectID);
649 						if (le16_to_cpu(path->usGraphicObjIds[j]) == encoder_obj) {
650 							ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *)
651 								(ctx->bios + data_offset +
652 								 le16_to_cpu(enc_obj->asObjects[k].usRecordOffset));
653 							ATOM_ENCODER_CAP_RECORD *cap_record;
654 							u16 caps = 0;
655 
656 							while (record->ucRecordSize > 0 &&
657 							       record->ucRecordType > 0 &&
658 							       record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
659 								switch (record->ucRecordType) {
660 								case ATOM_ENCODER_CAP_RECORD_TYPE:
661 									cap_record =(ATOM_ENCODER_CAP_RECORD *)
662 										record;
663 									caps = le16_to_cpu(cap_record->usEncoderCap);
664 									break;
665 								}
666 								record = (ATOM_COMMON_RECORD_HEADER *)
667 									((char *)record + record->ucRecordSize);
668 							}
669 							radeon_add_atom_encoder(dev,
670 										encoder_obj,
671 										le16_to_cpu
672 										(path->
673 										 usDeviceTag),
674 										caps);
675 						}
676 					}
677 				} else if (grph_obj_type == GRAPH_OBJECT_TYPE_ROUTER) {
678 					for (k = 0; k < router_obj->ucNumberOfObjects; k++) {
679 						u16 router_obj_id = le16_to_cpu(router_obj->asObjects[k].usObjectID);
680 						if (le16_to_cpu(path->usGraphicObjIds[j]) == router_obj_id) {
681 							ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *)
682 								(ctx->bios + data_offset +
683 								 le16_to_cpu(router_obj->asObjects[k].usRecordOffset));
684 							ATOM_I2C_RECORD *i2c_record;
685 							ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
686 							ATOM_ROUTER_DDC_PATH_SELECT_RECORD *ddc_path;
687 							ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *cd_path;
688 							ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *router_src_dst_table =
689 								(ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *)
690 								(ctx->bios + data_offset +
691 								 le16_to_cpu(router_obj->asObjects[k].usSrcDstTableOffset));
692 							u8 *num_dst_objs = (u8 *)
693 								((u8 *)router_src_dst_table + 1 +
694 								 (router_src_dst_table->ucNumberOfSrc * 2));
695 							u16 *dst_objs = (u16 *)(num_dst_objs + 1);
696 							int enum_id;
697 
698 							router.router_id = router_obj_id;
699 							for (enum_id = 0; enum_id < (*num_dst_objs); enum_id++) {
700 								if (le16_to_cpu(path->usConnObjectId) ==
701 								    le16_to_cpu(dst_objs[enum_id]))
702 									break;
703 							}
704 
705 							while (record->ucRecordSize > 0 &&
706 							       record->ucRecordType > 0 &&
707 							       record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
708 								switch (record->ucRecordType) {
709 								case ATOM_I2C_RECORD_TYPE:
710 									i2c_record =
711 										(ATOM_I2C_RECORD *)
712 										record;
713 									i2c_config =
714 										(ATOM_I2C_ID_CONFIG_ACCESS *)
715 										&i2c_record->sucI2cId;
716 									router.i2c_info =
717 										radeon_lookup_i2c_gpio(rdev,
718 												       i2c_config->
719 												       ucAccess);
720 									router.i2c_addr = i2c_record->ucI2CAddr >> 1;
721 									break;
722 								case ATOM_ROUTER_DDC_PATH_SELECT_RECORD_TYPE:
723 									ddc_path = (ATOM_ROUTER_DDC_PATH_SELECT_RECORD *)
724 										record;
725 									router.ddc_valid = true;
726 									router.ddc_mux_type = ddc_path->ucMuxType;
727 									router.ddc_mux_control_pin = ddc_path->ucMuxControlPin;
728 									router.ddc_mux_state = ddc_path->ucMuxState[enum_id];
729 									break;
730 								case ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD_TYPE:
731 									cd_path = (ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *)
732 										record;
733 									router.cd_valid = true;
734 									router.cd_mux_type = cd_path->ucMuxType;
735 									router.cd_mux_control_pin = cd_path->ucMuxControlPin;
736 									router.cd_mux_state = cd_path->ucMuxState[enum_id];
737 									break;
738 								}
739 								record = (ATOM_COMMON_RECORD_HEADER *)
740 									((char *)record + record->ucRecordSize);
741 							}
742 						}
743 					}
744 				}
745 			}
746 
747 			/* look up gpio for ddc, hpd */
748 			ddc_bus.valid = false;
749 			hpd.hpd = RADEON_HPD_NONE;
750 			if ((le16_to_cpu(path->usDeviceTag) &
751 			     (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) == 0) {
752 				for (j = 0; j < con_obj->ucNumberOfObjects; j++) {
753 					if (le16_to_cpu(path->usConnObjectId) ==
754 					    le16_to_cpu(con_obj->asObjects[j].
755 							usObjectID)) {
756 						ATOM_COMMON_RECORD_HEADER
757 						    *record =
758 						    (ATOM_COMMON_RECORD_HEADER
759 						     *)
760 						    (ctx->bios + data_offset +
761 						     le16_to_cpu(con_obj->
762 								 asObjects[j].
763 								 usRecordOffset));
764 						ATOM_I2C_RECORD *i2c_record;
765 						ATOM_HPD_INT_RECORD *hpd_record;
766 						ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
767 
768 						while (record->ucRecordSize > 0 &&
769 						       record->ucRecordType > 0 &&
770 						       record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
771 							switch (record->ucRecordType) {
772 							case ATOM_I2C_RECORD_TYPE:
773 								i2c_record =
774 								    (ATOM_I2C_RECORD *)
775 									record;
776 								i2c_config =
777 									(ATOM_I2C_ID_CONFIG_ACCESS *)
778 									&i2c_record->sucI2cId;
779 								ddc_bus = radeon_lookup_i2c_gpio(rdev,
780 												 i2c_config->
781 												 ucAccess);
782 								break;
783 							case ATOM_HPD_INT_RECORD_TYPE:
784 								hpd_record =
785 									(ATOM_HPD_INT_RECORD *)
786 									record;
787 								gpio = radeon_atombios_lookup_gpio(rdev,
788 											  hpd_record->ucHPDIntGPIOID);
789 								hpd = radeon_atom_get_hpd_info_from_gpio(rdev, &gpio);
790 								hpd.plugged_state = hpd_record->ucPlugged_PinState;
791 								break;
792 							}
793 							record =
794 							    (ATOM_COMMON_RECORD_HEADER
795 							     *) ((char *)record
796 								 +
797 								 record->
798 								 ucRecordSize);
799 						}
800 						break;
801 					}
802 				}
803 			}
804 
805 			/* needed for aux chan transactions */
806 			ddc_bus.hpd = hpd.hpd;
807 
808 			conn_id = le16_to_cpu(path->usConnObjectId);
809 
810 			if (!radeon_atom_apply_quirks
811 			    (dev, le16_to_cpu(path->usDeviceTag), &connector_type,
812 			     &ddc_bus, &conn_id, &hpd))
813 				continue;
814 
815 			radeon_add_atom_connector(dev,
816 						  conn_id,
817 						  le16_to_cpu(path->
818 							      usDeviceTag),
819 						  connector_type, &ddc_bus,
820 						  igp_lane_info,
821 						  connector_object_id,
822 						  &hpd,
823 						  &router);
824 
825 		}
826 	}
827 
828 	radeon_link_encoder_connector(dev);
829 	return true;
830 }
831 
atombios_get_connector_object_id(struct drm_device * dev,int connector_type,uint16_t devices)832 static uint16_t atombios_get_connector_object_id(struct drm_device *dev,
833 						 int connector_type,
834 						 uint16_t devices)
835 {
836 	struct radeon_device *rdev = dev->dev_private;
837 
838 	if (rdev->flags & RADEON_IS_IGP) {
839 		return supported_devices_connector_object_id_convert
840 			[connector_type];
841 	} else if (((connector_type == DRM_MODE_CONNECTOR_DVII) ||
842 		    (connector_type == DRM_MODE_CONNECTOR_DVID)) &&
843 		   (devices & ATOM_DEVICE_DFP2_SUPPORT))  {
844 		struct radeon_mode_info *mode_info = &rdev->mode_info;
845 		struct atom_context *ctx = mode_info->atom_context;
846 		int index = GetIndexIntoMasterTable(DATA, XTMDS_Info);
847 		uint16_t size, data_offset;
848 		uint8_t frev, crev;
849 		ATOM_XTMDS_INFO *xtmds;
850 
851 		if (atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset)) {
852 			xtmds = (ATOM_XTMDS_INFO *)(ctx->bios + data_offset);
853 
854 			if (xtmds->ucSupportedLink & ATOM_XTMDS_SUPPORTED_DUALLINK) {
855 				if (connector_type == DRM_MODE_CONNECTOR_DVII)
856 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
857 				else
858 					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
859 			} else {
860 				if (connector_type == DRM_MODE_CONNECTOR_DVII)
861 					return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
862 				else
863 					return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
864 			}
865 		} else
866 			return supported_devices_connector_object_id_convert
867 				[connector_type];
868 	} else {
869 		return supported_devices_connector_object_id_convert
870 			[connector_type];
871 	}
872 }
873 
874 struct bios_connector {
875 	bool valid;
876 	uint16_t line_mux;
877 	uint16_t devices;
878 	int connector_type;
879 	struct radeon_i2c_bus_rec ddc_bus;
880 	struct radeon_hpd hpd;
881 };
882 
radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device * dev)883 bool radeon_get_atom_connector_info_from_supported_devices_table(struct
884 								 drm_device
885 								 *dev)
886 {
887 	struct radeon_device *rdev = dev->dev_private;
888 	struct radeon_mode_info *mode_info = &rdev->mode_info;
889 	struct atom_context *ctx = mode_info->atom_context;
890 	int index = GetIndexIntoMasterTable(DATA, SupportedDevicesInfo);
891 	uint16_t size, data_offset;
892 	uint8_t frev, crev;
893 	uint16_t device_support;
894 	uint8_t dac;
895 	union atom_supported_devices *supported_devices;
896 	int i, j, max_device;
897 	struct bios_connector *bios_connectors;
898 	size_t bc_size = sizeof(*bios_connectors) * ATOM_MAX_SUPPORTED_DEVICE;
899 	struct radeon_router router;
900 
901 	router.ddc_valid = false;
902 	router.cd_valid = false;
903 
904 	bios_connectors = kzalloc(bc_size, GFP_KERNEL);
905 	if (!bios_connectors)
906 		return false;
907 
908 	if (!atom_parse_data_header(ctx, index, &size, &frev, &crev,
909 				    &data_offset)) {
910 		kfree(bios_connectors);
911 		return false;
912 	}
913 
914 	supported_devices =
915 	    (union atom_supported_devices *)(ctx->bios + data_offset);
916 
917 	device_support = le16_to_cpu(supported_devices->info.usDeviceSupport);
918 
919 	if (frev > 1)
920 		max_device = ATOM_MAX_SUPPORTED_DEVICE;
921 	else
922 		max_device = ATOM_MAX_SUPPORTED_DEVICE_INFO;
923 
924 	for (i = 0; i < max_device; i++) {
925 		ATOM_CONNECTOR_INFO_I2C ci =
926 		    supported_devices->info.asConnInfo[i];
927 
928 		bios_connectors[i].valid = false;
929 
930 		if (!(device_support & (1 << i))) {
931 			continue;
932 		}
933 
934 		if (i == ATOM_DEVICE_CV_INDEX) {
935 			DRM_DEBUG_KMS("Skipping Component Video\n");
936 			continue;
937 		}
938 
939 		bios_connectors[i].connector_type =
940 		    supported_devices_connector_convert[ci.sucConnectorInfo.
941 							sbfAccess.
942 							bfConnectorType];
943 
944 		if (bios_connectors[i].connector_type ==
945 		    DRM_MODE_CONNECTOR_Unknown)
946 			continue;
947 
948 		dac = ci.sucConnectorInfo.sbfAccess.bfAssociatedDAC;
949 
950 		bios_connectors[i].line_mux =
951 			ci.sucI2cId.ucAccess;
952 
953 		/* give tv unique connector ids */
954 		if (i == ATOM_DEVICE_TV1_INDEX) {
955 			bios_connectors[i].ddc_bus.valid = false;
956 			bios_connectors[i].line_mux = 50;
957 		} else if (i == ATOM_DEVICE_TV2_INDEX) {
958 			bios_connectors[i].ddc_bus.valid = false;
959 			bios_connectors[i].line_mux = 51;
960 		} else if (i == ATOM_DEVICE_CV_INDEX) {
961 			bios_connectors[i].ddc_bus.valid = false;
962 			bios_connectors[i].line_mux = 52;
963 		} else
964 			bios_connectors[i].ddc_bus =
965 			    radeon_lookup_i2c_gpio(rdev,
966 						   bios_connectors[i].line_mux);
967 
968 		if ((crev > 1) && (frev > 1)) {
969 			u8 isb = supported_devices->info_2d1.asIntSrcInfo[i].ucIntSrcBitmap;
970 			switch (isb) {
971 			case 0x4:
972 				bios_connectors[i].hpd.hpd = RADEON_HPD_1;
973 				break;
974 			case 0xa:
975 				bios_connectors[i].hpd.hpd = RADEON_HPD_2;
976 				break;
977 			default:
978 				bios_connectors[i].hpd.hpd = RADEON_HPD_NONE;
979 				break;
980 			}
981 		} else {
982 			if (i == ATOM_DEVICE_DFP1_INDEX)
983 				bios_connectors[i].hpd.hpd = RADEON_HPD_1;
984 			else if (i == ATOM_DEVICE_DFP2_INDEX)
985 				bios_connectors[i].hpd.hpd = RADEON_HPD_2;
986 			else
987 				bios_connectors[i].hpd.hpd = RADEON_HPD_NONE;
988 		}
989 
990 		/* Always set the connector type to VGA for CRT1/CRT2. if they are
991 		 * shared with a DVI port, we'll pick up the DVI connector when we
992 		 * merge the outputs.  Some bioses incorrectly list VGA ports as DVI.
993 		 */
994 		if (i == ATOM_DEVICE_CRT1_INDEX || i == ATOM_DEVICE_CRT2_INDEX)
995 			bios_connectors[i].connector_type =
996 			    DRM_MODE_CONNECTOR_VGA;
997 
998 		if (!radeon_atom_apply_quirks
999 		    (dev, (1 << i), &bios_connectors[i].connector_type,
1000 		     &bios_connectors[i].ddc_bus, &bios_connectors[i].line_mux,
1001 		     &bios_connectors[i].hpd))
1002 			continue;
1003 
1004 		bios_connectors[i].valid = true;
1005 		bios_connectors[i].devices = (1 << i);
1006 
1007 		if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom)
1008 			radeon_add_atom_encoder(dev,
1009 						radeon_get_encoder_enum(dev,
1010 								      (1 << i),
1011 								      dac),
1012 						(1 << i),
1013 						0);
1014 		else
1015 			radeon_add_legacy_encoder(dev,
1016 						  radeon_get_encoder_enum(dev,
1017 									(1 << i),
1018 									dac),
1019 						  (1 << i));
1020 	}
1021 
1022 	/* combine shared connectors */
1023 	for (i = 0; i < max_device; i++) {
1024 		if (bios_connectors[i].valid) {
1025 			for (j = 0; j < max_device; j++) {
1026 				if (bios_connectors[j].valid && (i != j)) {
1027 					if (bios_connectors[i].line_mux ==
1028 					    bios_connectors[j].line_mux) {
1029 						/* make sure not to combine LVDS */
1030 						if (bios_connectors[i].devices & (ATOM_DEVICE_LCD_SUPPORT)) {
1031 							bios_connectors[i].line_mux = 53;
1032 							bios_connectors[i].ddc_bus.valid = false;
1033 							continue;
1034 						}
1035 						if (bios_connectors[j].devices & (ATOM_DEVICE_LCD_SUPPORT)) {
1036 							bios_connectors[j].line_mux = 53;
1037 							bios_connectors[j].ddc_bus.valid = false;
1038 							continue;
1039 						}
1040 						/* combine analog and digital for DVI-I */
1041 						if (((bios_connectors[i].devices & (ATOM_DEVICE_DFP_SUPPORT)) &&
1042 						     (bios_connectors[j].devices & (ATOM_DEVICE_CRT_SUPPORT))) ||
1043 						    ((bios_connectors[j].devices & (ATOM_DEVICE_DFP_SUPPORT)) &&
1044 						     (bios_connectors[i].devices & (ATOM_DEVICE_CRT_SUPPORT)))) {
1045 							bios_connectors[i].devices |=
1046 								bios_connectors[j].devices;
1047 							bios_connectors[i].connector_type =
1048 								DRM_MODE_CONNECTOR_DVII;
1049 							if (bios_connectors[j].devices & (ATOM_DEVICE_DFP_SUPPORT))
1050 								bios_connectors[i].hpd =
1051 									bios_connectors[j].hpd;
1052 							bios_connectors[j].valid = false;
1053 						}
1054 					}
1055 				}
1056 			}
1057 		}
1058 	}
1059 
1060 	/* add the connectors */
1061 	for (i = 0; i < max_device; i++) {
1062 		if (bios_connectors[i].valid) {
1063 			uint16_t connector_object_id =
1064 				atombios_get_connector_object_id(dev,
1065 						      bios_connectors[i].connector_type,
1066 						      bios_connectors[i].devices);
1067 			radeon_add_atom_connector(dev,
1068 						  bios_connectors[i].line_mux,
1069 						  bios_connectors[i].devices,
1070 						  bios_connectors[i].
1071 						  connector_type,
1072 						  &bios_connectors[i].ddc_bus,
1073 						  0,
1074 						  connector_object_id,
1075 						  &bios_connectors[i].hpd,
1076 						  &router);
1077 		}
1078 	}
1079 
1080 	radeon_link_encoder_connector(dev);
1081 
1082 	kfree(bios_connectors);
1083 	return true;
1084 }
1085 
1086 union firmware_info {
1087 	ATOM_FIRMWARE_INFO info;
1088 	ATOM_FIRMWARE_INFO_V1_2 info_12;
1089 	ATOM_FIRMWARE_INFO_V1_3 info_13;
1090 	ATOM_FIRMWARE_INFO_V1_4 info_14;
1091 	ATOM_FIRMWARE_INFO_V2_1 info_21;
1092 	ATOM_FIRMWARE_INFO_V2_2 info_22;
1093 };
1094 
1095 union igp_info {
1096 	struct _ATOM_INTEGRATED_SYSTEM_INFO info;
1097 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;
1098 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6;
1099 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7;
1100 	struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_8 info_8;
1101 };
1102 
radeon_atombios_get_dentist_vco_freq(struct radeon_device * rdev)1103 static void radeon_atombios_get_dentist_vco_freq(struct radeon_device *rdev)
1104 {
1105 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1106 	int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
1107 	union igp_info *igp_info;
1108 	u8 frev, crev;
1109 	u16 data_offset;
1110 
1111 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1112 			&frev, &crev, &data_offset)) {
1113 		igp_info = (union igp_info *)(mode_info->atom_context->bios +
1114 			data_offset);
1115 		rdev->clock.vco_freq =
1116 			le32_to_cpu(igp_info->info_6.ulDentistVCOFreq);
1117 	}
1118 }
1119 
radeon_atom_get_clock_info(struct drm_device * dev)1120 bool radeon_atom_get_clock_info(struct drm_device *dev)
1121 {
1122 	struct radeon_device *rdev = dev->dev_private;
1123 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1124 	int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
1125 	union firmware_info *firmware_info;
1126 	uint8_t frev, crev;
1127 	struct radeon_pll *p1pll = &rdev->clock.p1pll;
1128 	struct radeon_pll *p2pll = &rdev->clock.p2pll;
1129 	struct radeon_pll *dcpll = &rdev->clock.dcpll;
1130 	struct radeon_pll *spll = &rdev->clock.spll;
1131 	struct radeon_pll *mpll = &rdev->clock.mpll;
1132 	uint16_t data_offset;
1133 
1134 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1135 				   &frev, &crev, &data_offset)) {
1136 		firmware_info =
1137 			(union firmware_info *)(mode_info->atom_context->bios +
1138 						data_offset);
1139 		/* pixel clocks */
1140 		p1pll->reference_freq =
1141 		    le16_to_cpu(firmware_info->info.usReferenceClock);
1142 		p1pll->reference_div = 0;
1143 
1144 		if ((frev < 2) && (crev < 2))
1145 			p1pll->pll_out_min =
1146 				le16_to_cpu(firmware_info->info.usMinPixelClockPLL_Output);
1147 		else
1148 			p1pll->pll_out_min =
1149 				le32_to_cpu(firmware_info->info_12.ulMinPixelClockPLL_Output);
1150 		p1pll->pll_out_max =
1151 		    le32_to_cpu(firmware_info->info.ulMaxPixelClockPLL_Output);
1152 
1153 		if (((frev < 2) && (crev >= 4)) || (frev >= 2)) {
1154 			p1pll->lcd_pll_out_min =
1155 				le16_to_cpu(firmware_info->info_14.usLcdMinPixelClockPLL_Output) * 100;
1156 			if (p1pll->lcd_pll_out_min == 0)
1157 				p1pll->lcd_pll_out_min = p1pll->pll_out_min;
1158 			p1pll->lcd_pll_out_max =
1159 				le16_to_cpu(firmware_info->info_14.usLcdMaxPixelClockPLL_Output) * 100;
1160 			if (p1pll->lcd_pll_out_max == 0)
1161 				p1pll->lcd_pll_out_max = p1pll->pll_out_max;
1162 		} else {
1163 			p1pll->lcd_pll_out_min = p1pll->pll_out_min;
1164 			p1pll->lcd_pll_out_max = p1pll->pll_out_max;
1165 		}
1166 
1167 		if (p1pll->pll_out_min == 0) {
1168 			if (ASIC_IS_AVIVO(rdev))
1169 				p1pll->pll_out_min = 64800;
1170 			else
1171 				p1pll->pll_out_min = 20000;
1172 		}
1173 
1174 		p1pll->pll_in_min =
1175 		    le16_to_cpu(firmware_info->info.usMinPixelClockPLL_Input);
1176 		p1pll->pll_in_max =
1177 		    le16_to_cpu(firmware_info->info.usMaxPixelClockPLL_Input);
1178 
1179 		*p2pll = *p1pll;
1180 
1181 		/* system clock */
1182 		if (ASIC_IS_DCE4(rdev))
1183 			spll->reference_freq =
1184 				le16_to_cpu(firmware_info->info_21.usCoreReferenceClock);
1185 		else
1186 			spll->reference_freq =
1187 				le16_to_cpu(firmware_info->info.usReferenceClock);
1188 		spll->reference_div = 0;
1189 
1190 		spll->pll_out_min =
1191 		    le16_to_cpu(firmware_info->info.usMinEngineClockPLL_Output);
1192 		spll->pll_out_max =
1193 		    le32_to_cpu(firmware_info->info.ulMaxEngineClockPLL_Output);
1194 
1195 		/* ??? */
1196 		if (spll->pll_out_min == 0) {
1197 			if (ASIC_IS_AVIVO(rdev))
1198 				spll->pll_out_min = 64800;
1199 			else
1200 				spll->pll_out_min = 20000;
1201 		}
1202 
1203 		spll->pll_in_min =
1204 		    le16_to_cpu(firmware_info->info.usMinEngineClockPLL_Input);
1205 		spll->pll_in_max =
1206 		    le16_to_cpu(firmware_info->info.usMaxEngineClockPLL_Input);
1207 
1208 		/* memory clock */
1209 		if (ASIC_IS_DCE4(rdev))
1210 			mpll->reference_freq =
1211 				le16_to_cpu(firmware_info->info_21.usMemoryReferenceClock);
1212 		else
1213 			mpll->reference_freq =
1214 				le16_to_cpu(firmware_info->info.usReferenceClock);
1215 		mpll->reference_div = 0;
1216 
1217 		mpll->pll_out_min =
1218 		    le16_to_cpu(firmware_info->info.usMinMemoryClockPLL_Output);
1219 		mpll->pll_out_max =
1220 		    le32_to_cpu(firmware_info->info.ulMaxMemoryClockPLL_Output);
1221 
1222 		/* ??? */
1223 		if (mpll->pll_out_min == 0) {
1224 			if (ASIC_IS_AVIVO(rdev))
1225 				mpll->pll_out_min = 64800;
1226 			else
1227 				mpll->pll_out_min = 20000;
1228 		}
1229 
1230 		mpll->pll_in_min =
1231 		    le16_to_cpu(firmware_info->info.usMinMemoryClockPLL_Input);
1232 		mpll->pll_in_max =
1233 		    le16_to_cpu(firmware_info->info.usMaxMemoryClockPLL_Input);
1234 
1235 		rdev->clock.default_sclk =
1236 		    le32_to_cpu(firmware_info->info.ulDefaultEngineClock);
1237 		rdev->clock.default_mclk =
1238 		    le32_to_cpu(firmware_info->info.ulDefaultMemoryClock);
1239 
1240 		if (ASIC_IS_DCE4(rdev)) {
1241 			rdev->clock.default_dispclk =
1242 				le32_to_cpu(firmware_info->info_21.ulDefaultDispEngineClkFreq);
1243 			if (rdev->clock.default_dispclk == 0) {
1244 				if (ASIC_IS_DCE6(rdev))
1245 					rdev->clock.default_dispclk = 60000; /* 600 Mhz */
1246 				else if (ASIC_IS_DCE5(rdev))
1247 					rdev->clock.default_dispclk = 54000; /* 540 Mhz */
1248 				else
1249 					rdev->clock.default_dispclk = 60000; /* 600 Mhz */
1250 			}
1251 			/* set a reasonable default for DP */
1252 			if (ASIC_IS_DCE6(rdev) && (rdev->clock.default_dispclk < 53900)) {
1253 				DRM_INFO("Changing default dispclk from %dMhz to 600Mhz\n",
1254 					 rdev->clock.default_dispclk / 100);
1255 				rdev->clock.default_dispclk = 60000;
1256 			}
1257 			rdev->clock.dp_extclk =
1258 				le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq);
1259 			rdev->clock.current_dispclk = rdev->clock.default_dispclk;
1260 		}
1261 		*dcpll = *p1pll;
1262 
1263 		rdev->clock.max_pixel_clock = le16_to_cpu(firmware_info->info.usMaxPixelClock);
1264 		if (rdev->clock.max_pixel_clock == 0)
1265 			rdev->clock.max_pixel_clock = 40000;
1266 
1267 		/* not technically a clock, but... */
1268 		rdev->mode_info.firmware_flags =
1269 			le16_to_cpu(firmware_info->info.usFirmwareCapability.susAccess);
1270 
1271 		if (ASIC_IS_DCE8(rdev))
1272 			rdev->clock.vco_freq =
1273 				le32_to_cpu(firmware_info->info_22.ulGPUPLL_OutputFreq);
1274 		else if (ASIC_IS_DCE5(rdev))
1275 			rdev->clock.vco_freq = rdev->clock.current_dispclk;
1276 		else if (ASIC_IS_DCE41(rdev))
1277 			radeon_atombios_get_dentist_vco_freq(rdev);
1278 		else
1279 			rdev->clock.vco_freq = rdev->clock.current_dispclk;
1280 
1281 		if (rdev->clock.vco_freq == 0)
1282 			rdev->clock.vco_freq = 360000;	/* 3.6 GHz */
1283 
1284 		return true;
1285 	}
1286 
1287 	return false;
1288 }
1289 
radeon_atombios_sideport_present(struct radeon_device * rdev)1290 bool radeon_atombios_sideport_present(struct radeon_device *rdev)
1291 {
1292 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1293 	int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
1294 	union igp_info *igp_info;
1295 	u8 frev, crev;
1296 	u16 data_offset;
1297 
1298 	/* sideport is AMD only */
1299 	if (rdev->family == CHIP_RS600)
1300 		return false;
1301 
1302 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1303 				   &frev, &crev, &data_offset)) {
1304 		igp_info = (union igp_info *)(mode_info->atom_context->bios +
1305 				      data_offset);
1306 		switch (crev) {
1307 		case 1:
1308 			if (le32_to_cpu(igp_info->info.ulBootUpMemoryClock))
1309 				return true;
1310 			break;
1311 		case 2:
1312 			if (le32_to_cpu(igp_info->info_2.ulBootUpSidePortClock))
1313 				return true;
1314 			break;
1315 		default:
1316 			DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
1317 			break;
1318 		}
1319 	}
1320 	return false;
1321 }
1322 
radeon_atombios_get_tmds_info(struct radeon_encoder * encoder,struct radeon_encoder_int_tmds * tmds)1323 bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
1324 				   struct radeon_encoder_int_tmds *tmds)
1325 {
1326 	struct drm_device *dev = encoder->base.dev;
1327 	struct radeon_device *rdev = dev->dev_private;
1328 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1329 	int index = GetIndexIntoMasterTable(DATA, TMDS_Info);
1330 	uint16_t data_offset;
1331 	struct _ATOM_TMDS_INFO *tmds_info;
1332 	uint8_t frev, crev;
1333 	uint16_t maxfreq;
1334 	int i;
1335 
1336 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1337 				   &frev, &crev, &data_offset)) {
1338 		tmds_info =
1339 			(struct _ATOM_TMDS_INFO *)(mode_info->atom_context->bios +
1340 						   data_offset);
1341 
1342 		maxfreq = le16_to_cpu(tmds_info->usMaxFrequency);
1343 		for (i = 0; i < 4; i++) {
1344 			tmds->tmds_pll[i].freq =
1345 			    le16_to_cpu(tmds_info->asMiscInfo[i].usFrequency);
1346 			tmds->tmds_pll[i].value =
1347 			    tmds_info->asMiscInfo[i].ucPLL_ChargePump & 0x3f;
1348 			tmds->tmds_pll[i].value |=
1349 			    (tmds_info->asMiscInfo[i].
1350 			     ucPLL_VCO_Gain & 0x3f) << 6;
1351 			tmds->tmds_pll[i].value |=
1352 			    (tmds_info->asMiscInfo[i].
1353 			     ucPLL_DutyCycle & 0xf) << 12;
1354 			tmds->tmds_pll[i].value |=
1355 			    (tmds_info->asMiscInfo[i].
1356 			     ucPLL_VoltageSwing & 0xf) << 16;
1357 
1358 			DRM_DEBUG_KMS("TMDS PLL From ATOMBIOS %u %x\n",
1359 				  tmds->tmds_pll[i].freq,
1360 				  tmds->tmds_pll[i].value);
1361 
1362 			if (maxfreq == tmds->tmds_pll[i].freq) {
1363 				tmds->tmds_pll[i].freq = 0xffffffff;
1364 				break;
1365 			}
1366 		}
1367 		return true;
1368 	}
1369 	return false;
1370 }
1371 
radeon_atombios_get_ppll_ss_info(struct radeon_device * rdev,struct radeon_atom_ss * ss,int id)1372 bool radeon_atombios_get_ppll_ss_info(struct radeon_device *rdev,
1373 				      struct radeon_atom_ss *ss,
1374 				      int id)
1375 {
1376 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1377 	int index = GetIndexIntoMasterTable(DATA, PPLL_SS_Info);
1378 	uint16_t data_offset, size;
1379 	struct _ATOM_SPREAD_SPECTRUM_INFO *ss_info;
1380 	struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT *ss_assign;
1381 	uint8_t frev, crev;
1382 	int i, num_indices;
1383 
1384 	memset(ss, 0, sizeof(struct radeon_atom_ss));
1385 	if (atom_parse_data_header(mode_info->atom_context, index, &size,
1386 				   &frev, &crev, &data_offset)) {
1387 		ss_info =
1388 			(struct _ATOM_SPREAD_SPECTRUM_INFO *)(mode_info->atom_context->bios + data_offset);
1389 
1390 		num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
1391 			sizeof(ATOM_SPREAD_SPECTRUM_ASSIGNMENT);
1392 		ss_assign = (struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT*)
1393 			((u8 *)&ss_info->asSS_Info[0]);
1394 		for (i = 0; i < num_indices; i++) {
1395 			if (ss_assign->ucSS_Id == id) {
1396 				ss->percentage =
1397 					le16_to_cpu(ss_assign->usSpreadSpectrumPercentage);
1398 				ss->type = ss_assign->ucSpreadSpectrumType;
1399 				ss->step = ss_assign->ucSS_Step;
1400 				ss->delay = ss_assign->ucSS_Delay;
1401 				ss->range = ss_assign->ucSS_Range;
1402 				ss->refdiv = ss_assign->ucRecommendedRef_Div;
1403 				return true;
1404 			}
1405 			ss_assign = (struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT*)
1406 				((u8 *)ss_assign + sizeof(struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT));
1407 		}
1408 	}
1409 	return false;
1410 }
1411 
radeon_atombios_get_igp_ss_overrides(struct radeon_device * rdev,struct radeon_atom_ss * ss,int id)1412 static void radeon_atombios_get_igp_ss_overrides(struct radeon_device *rdev,
1413 						 struct radeon_atom_ss *ss,
1414 						 int id)
1415 {
1416 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1417 	int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
1418 	u16 data_offset, size;
1419 	union igp_info *igp_info;
1420 	u8 frev, crev;
1421 	u16 percentage = 0, rate = 0;
1422 
1423 	/* get any igp specific overrides */
1424 	if (atom_parse_data_header(mode_info->atom_context, index, &size,
1425 				   &frev, &crev, &data_offset)) {
1426 		igp_info = (union igp_info *)
1427 			(mode_info->atom_context->bios + data_offset);
1428 		switch (crev) {
1429 		case 6:
1430 			switch (id) {
1431 			case ASIC_INTERNAL_SS_ON_TMDS:
1432 				percentage = le16_to_cpu(igp_info->info_6.usDVISSPercentage);
1433 				rate = le16_to_cpu(igp_info->info_6.usDVISSpreadRateIn10Hz);
1434 				break;
1435 			case ASIC_INTERNAL_SS_ON_HDMI:
1436 				percentage = le16_to_cpu(igp_info->info_6.usHDMISSPercentage);
1437 				rate = le16_to_cpu(igp_info->info_6.usHDMISSpreadRateIn10Hz);
1438 				break;
1439 			case ASIC_INTERNAL_SS_ON_LVDS:
1440 				percentage = le16_to_cpu(igp_info->info_6.usLvdsSSPercentage);
1441 				rate = le16_to_cpu(igp_info->info_6.usLvdsSSpreadRateIn10Hz);
1442 				break;
1443 			}
1444 			break;
1445 		case 7:
1446 			switch (id) {
1447 			case ASIC_INTERNAL_SS_ON_TMDS:
1448 				percentage = le16_to_cpu(igp_info->info_7.usDVISSPercentage);
1449 				rate = le16_to_cpu(igp_info->info_7.usDVISSpreadRateIn10Hz);
1450 				break;
1451 			case ASIC_INTERNAL_SS_ON_HDMI:
1452 				percentage = le16_to_cpu(igp_info->info_7.usHDMISSPercentage);
1453 				rate = le16_to_cpu(igp_info->info_7.usHDMISSpreadRateIn10Hz);
1454 				break;
1455 			case ASIC_INTERNAL_SS_ON_LVDS:
1456 				percentage = le16_to_cpu(igp_info->info_7.usLvdsSSPercentage);
1457 				rate = le16_to_cpu(igp_info->info_7.usLvdsSSpreadRateIn10Hz);
1458 				break;
1459 			}
1460 			break;
1461 		case 8:
1462 			switch (id) {
1463 			case ASIC_INTERNAL_SS_ON_TMDS:
1464 				percentage = le16_to_cpu(igp_info->info_8.usDVISSPercentage);
1465 				rate = le16_to_cpu(igp_info->info_8.usDVISSpreadRateIn10Hz);
1466 				break;
1467 			case ASIC_INTERNAL_SS_ON_HDMI:
1468 				percentage = le16_to_cpu(igp_info->info_8.usHDMISSPercentage);
1469 				rate = le16_to_cpu(igp_info->info_8.usHDMISSpreadRateIn10Hz);
1470 				break;
1471 			case ASIC_INTERNAL_SS_ON_LVDS:
1472 				percentage = le16_to_cpu(igp_info->info_8.usLvdsSSPercentage);
1473 				rate = le16_to_cpu(igp_info->info_8.usLvdsSSpreadRateIn10Hz);
1474 				break;
1475 			}
1476 			break;
1477 		default:
1478 			DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
1479 			break;
1480 		}
1481 		if (percentage)
1482 			ss->percentage = percentage;
1483 		if (rate)
1484 			ss->rate = rate;
1485 	}
1486 }
1487 
1488 union asic_ss_info {
1489 	struct _ATOM_ASIC_INTERNAL_SS_INFO info;
1490 	struct _ATOM_ASIC_INTERNAL_SS_INFO_V2 info_2;
1491 	struct _ATOM_ASIC_INTERNAL_SS_INFO_V3 info_3;
1492 };
1493 
1494 union asic_ss_assignment {
1495 	struct _ATOM_ASIC_SS_ASSIGNMENT v1;
1496 	struct _ATOM_ASIC_SS_ASSIGNMENT_V2 v2;
1497 	struct _ATOM_ASIC_SS_ASSIGNMENT_V3 v3;
1498 };
1499 
radeon_atombios_get_asic_ss_info(struct radeon_device * rdev,struct radeon_atom_ss * ss,int id,u32 clock)1500 bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev,
1501 				      struct radeon_atom_ss *ss,
1502 				      int id, u32 clock)
1503 {
1504 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1505 	int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
1506 	uint16_t data_offset, size;
1507 	union asic_ss_info *ss_info;
1508 	union asic_ss_assignment *ss_assign;
1509 	uint8_t frev, crev;
1510 	int i, num_indices;
1511 
1512 	if (id == ASIC_INTERNAL_MEMORY_SS) {
1513 		if (!(rdev->mode_info.firmware_flags & ATOM_BIOS_INFO_MEMORY_CLOCK_SS_SUPPORT))
1514 			return false;
1515 	}
1516 	if (id == ASIC_INTERNAL_ENGINE_SS) {
1517 		if (!(rdev->mode_info.firmware_flags & ATOM_BIOS_INFO_ENGINE_CLOCK_SS_SUPPORT))
1518 			return false;
1519 	}
1520 
1521 	memset(ss, 0, sizeof(struct radeon_atom_ss));
1522 	if (atom_parse_data_header(mode_info->atom_context, index, &size,
1523 				   &frev, &crev, &data_offset)) {
1524 
1525 		ss_info =
1526 			(union asic_ss_info *)(mode_info->atom_context->bios + data_offset);
1527 
1528 		switch (frev) {
1529 		case 1:
1530 			num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
1531 				sizeof(ATOM_ASIC_SS_ASSIGNMENT);
1532 
1533 			ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info.asSpreadSpectrum[0]);
1534 			for (i = 0; i < num_indices; i++) {
1535 				if ((ss_assign->v1.ucClockIndication == id) &&
1536 				    (clock <= le32_to_cpu(ss_assign->v1.ulTargetClockRange))) {
1537 					ss->percentage =
1538 						le16_to_cpu(ss_assign->v1.usSpreadSpectrumPercentage);
1539 					ss->type = ss_assign->v1.ucSpreadSpectrumMode;
1540 					ss->rate = le16_to_cpu(ss_assign->v1.usSpreadRateInKhz);
1541 					ss->percentage_divider = 100;
1542 					return true;
1543 				}
1544 				ss_assign = (union asic_ss_assignment *)
1545 					((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT));
1546 			}
1547 			break;
1548 		case 2:
1549 			num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
1550 				sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2);
1551 			ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info_2.asSpreadSpectrum[0]);
1552 			for (i = 0; i < num_indices; i++) {
1553 				if ((ss_assign->v2.ucClockIndication == id) &&
1554 				    (clock <= le32_to_cpu(ss_assign->v2.ulTargetClockRange))) {
1555 					ss->percentage =
1556 						le16_to_cpu(ss_assign->v2.usSpreadSpectrumPercentage);
1557 					ss->type = ss_assign->v2.ucSpreadSpectrumMode;
1558 					ss->rate = le16_to_cpu(ss_assign->v2.usSpreadRateIn10Hz);
1559 					ss->percentage_divider = 100;
1560 					if ((crev == 2) &&
1561 					    ((id == ASIC_INTERNAL_ENGINE_SS) ||
1562 					     (id == ASIC_INTERNAL_MEMORY_SS)))
1563 						ss->rate /= 100;
1564 					return true;
1565 				}
1566 				ss_assign = (union asic_ss_assignment *)
1567 					((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2));
1568 			}
1569 			break;
1570 		case 3:
1571 			num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
1572 				sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3);
1573 			ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info_3.asSpreadSpectrum[0]);
1574 			for (i = 0; i < num_indices; i++) {
1575 				if ((ss_assign->v3.ucClockIndication == id) &&
1576 				    (clock <= le32_to_cpu(ss_assign->v3.ulTargetClockRange))) {
1577 					ss->percentage =
1578 						le16_to_cpu(ss_assign->v3.usSpreadSpectrumPercentage);
1579 					ss->type = ss_assign->v3.ucSpreadSpectrumMode;
1580 					ss->rate = le16_to_cpu(ss_assign->v3.usSpreadRateIn10Hz);
1581 					if (ss_assign->v3.ucSpreadSpectrumMode &
1582 					    SS_MODE_V3_PERCENTAGE_DIV_BY_1000_MASK)
1583 						ss->percentage_divider = 1000;
1584 					else
1585 						ss->percentage_divider = 100;
1586 					if ((id == ASIC_INTERNAL_ENGINE_SS) ||
1587 					    (id == ASIC_INTERNAL_MEMORY_SS))
1588 						ss->rate /= 100;
1589 					if (rdev->flags & RADEON_IS_IGP)
1590 						radeon_atombios_get_igp_ss_overrides(rdev, ss, id);
1591 					return true;
1592 				}
1593 				ss_assign = (union asic_ss_assignment *)
1594 					((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3));
1595 			}
1596 			break;
1597 		default:
1598 			DRM_ERROR("Unsupported ASIC_InternalSS_Info table: %d %d\n", frev, crev);
1599 			break;
1600 		}
1601 
1602 	}
1603 	return false;
1604 }
1605 
1606 union lvds_info {
1607 	struct _ATOM_LVDS_INFO info;
1608 	struct _ATOM_LVDS_INFO_V12 info_12;
1609 };
1610 
radeon_atombios_get_lvds_info(struct radeon_encoder * encoder)1611 struct radeon_encoder_atom_dig *radeon_atombios_get_lvds_info(struct
1612 							      radeon_encoder
1613 							      *encoder)
1614 {
1615 	struct drm_device *dev = encoder->base.dev;
1616 	struct radeon_device *rdev = dev->dev_private;
1617 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1618 	int index = GetIndexIntoMasterTable(DATA, LVDS_Info);
1619 	uint16_t data_offset, misc;
1620 	union lvds_info *lvds_info;
1621 	uint8_t frev, crev;
1622 	struct radeon_encoder_atom_dig *lvds = NULL;
1623 	int encoder_enum = (encoder->encoder_enum & ENUM_ID_MASK) >> ENUM_ID_SHIFT;
1624 
1625 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1626 				   &frev, &crev, &data_offset)) {
1627 		lvds_info =
1628 			(union lvds_info *)(mode_info->atom_context->bios + data_offset);
1629 		lvds =
1630 		    kzalloc(sizeof(struct radeon_encoder_atom_dig), GFP_KERNEL);
1631 
1632 		if (!lvds)
1633 			return NULL;
1634 
1635 		lvds->native_mode.clock =
1636 		    le16_to_cpu(lvds_info->info.sLCDTiming.usPixClk) * 10;
1637 		lvds->native_mode.hdisplay =
1638 		    le16_to_cpu(lvds_info->info.sLCDTiming.usHActive);
1639 		lvds->native_mode.vdisplay =
1640 		    le16_to_cpu(lvds_info->info.sLCDTiming.usVActive);
1641 		lvds->native_mode.htotal = lvds->native_mode.hdisplay +
1642 			le16_to_cpu(lvds_info->info.sLCDTiming.usHBlanking_Time);
1643 		lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
1644 			le16_to_cpu(lvds_info->info.sLCDTiming.usHSyncOffset);
1645 		lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
1646 			le16_to_cpu(lvds_info->info.sLCDTiming.usHSyncWidth);
1647 		lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
1648 			le16_to_cpu(lvds_info->info.sLCDTiming.usVBlanking_Time);
1649 		lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
1650 			le16_to_cpu(lvds_info->info.sLCDTiming.usVSyncOffset);
1651 		lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
1652 			le16_to_cpu(lvds_info->info.sLCDTiming.usVSyncWidth);
1653 		lvds->panel_pwr_delay =
1654 		    le16_to_cpu(lvds_info->info.usOffDelayInMs);
1655 		lvds->lcd_misc = lvds_info->info.ucLVDS_Misc;
1656 
1657 		misc = le16_to_cpu(lvds_info->info.sLCDTiming.susModeMiscInfo.usAccess);
1658 		if (misc & ATOM_VSYNC_POLARITY)
1659 			lvds->native_mode.flags |= DRM_MODE_FLAG_NVSYNC;
1660 		if (misc & ATOM_HSYNC_POLARITY)
1661 			lvds->native_mode.flags |= DRM_MODE_FLAG_NHSYNC;
1662 		if (misc & ATOM_COMPOSITESYNC)
1663 			lvds->native_mode.flags |= DRM_MODE_FLAG_CSYNC;
1664 		if (misc & ATOM_INTERLACE)
1665 			lvds->native_mode.flags |= DRM_MODE_FLAG_INTERLACE;
1666 		if (misc & ATOM_DOUBLE_CLOCK_MODE)
1667 			lvds->native_mode.flags |= DRM_MODE_FLAG_DBLSCAN;
1668 
1669 		lvds->native_mode.width_mm = le16_to_cpu(lvds_info->info.sLCDTiming.usImageHSize);
1670 		lvds->native_mode.height_mm = le16_to_cpu(lvds_info->info.sLCDTiming.usImageVSize);
1671 
1672 		/* set crtc values */
1673 		drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
1674 
1675 		lvds->lcd_ss_id = lvds_info->info.ucSS_Id;
1676 
1677 		encoder->native_mode = lvds->native_mode;
1678 
1679 		if (encoder_enum == 2)
1680 			lvds->linkb = true;
1681 		else
1682 			lvds->linkb = false;
1683 
1684 		/* parse the lcd record table */
1685 		if (le16_to_cpu(lvds_info->info.usModePatchTableOffset)) {
1686 			ATOM_FAKE_EDID_PATCH_RECORD *fake_edid_record;
1687 			ATOM_PANEL_RESOLUTION_PATCH_RECORD *panel_res_record;
1688 			bool bad_record = false;
1689 			u8 *record;
1690 
1691 			if ((frev == 1) && (crev < 2))
1692 				/* absolute */
1693 				record = (u8 *)(mode_info->atom_context->bios +
1694 						le16_to_cpu(lvds_info->info.usModePatchTableOffset));
1695 			else
1696 				/* relative */
1697 				record = (u8 *)(mode_info->atom_context->bios +
1698 						data_offset +
1699 						le16_to_cpu(lvds_info->info.usModePatchTableOffset));
1700 			while (*record != ATOM_RECORD_END_TYPE) {
1701 				switch (*record) {
1702 				case LCD_MODE_PATCH_RECORD_MODE_TYPE:
1703 					record += sizeof(ATOM_PATCH_RECORD_MODE);
1704 					break;
1705 				case LCD_RTS_RECORD_TYPE:
1706 					record += sizeof(ATOM_LCD_RTS_RECORD);
1707 					break;
1708 				case LCD_CAP_RECORD_TYPE:
1709 					record += sizeof(ATOM_LCD_MODE_CONTROL_CAP);
1710 					break;
1711 				case LCD_FAKE_EDID_PATCH_RECORD_TYPE:
1712 					fake_edid_record = (ATOM_FAKE_EDID_PATCH_RECORD *)record;
1713 					if (fake_edid_record->ucFakeEDIDLength) {
1714 						struct edid *edid;
1715 						int edid_size =
1716 							max((int)EDID_LENGTH, (int)fake_edid_record->ucFakeEDIDLength);
1717 						edid = kmalloc(edid_size, GFP_KERNEL);
1718 						if (edid) {
1719 							memcpy((u8 *)edid, (u8 *)&fake_edid_record->ucFakeEDIDString[0],
1720 							       fake_edid_record->ucFakeEDIDLength);
1721 
1722 							if (drm_edid_is_valid(edid)) {
1723 								rdev->mode_info.bios_hardcoded_edid = edid;
1724 								rdev->mode_info.bios_hardcoded_edid_size = edid_size;
1725 							} else
1726 								kfree(edid);
1727 						}
1728 					}
1729 					record += fake_edid_record->ucFakeEDIDLength ?
1730 						fake_edid_record->ucFakeEDIDLength + 2 :
1731 						sizeof(ATOM_FAKE_EDID_PATCH_RECORD);
1732 					break;
1733 				case LCD_PANEL_RESOLUTION_RECORD_TYPE:
1734 					panel_res_record = (ATOM_PANEL_RESOLUTION_PATCH_RECORD *)record;
1735 					lvds->native_mode.width_mm = panel_res_record->usHSize;
1736 					lvds->native_mode.height_mm = panel_res_record->usVSize;
1737 					record += sizeof(ATOM_PANEL_RESOLUTION_PATCH_RECORD);
1738 					break;
1739 				default:
1740 					DRM_ERROR("Bad LCD record %d\n", *record);
1741 					bad_record = true;
1742 					break;
1743 				}
1744 				if (bad_record)
1745 					break;
1746 			}
1747 		}
1748 	}
1749 	return lvds;
1750 }
1751 
1752 struct radeon_encoder_primary_dac *
radeon_atombios_get_primary_dac_info(struct radeon_encoder * encoder)1753 radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder)
1754 {
1755 	struct drm_device *dev = encoder->base.dev;
1756 	struct radeon_device *rdev = dev->dev_private;
1757 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1758 	int index = GetIndexIntoMasterTable(DATA, CompassionateData);
1759 	uint16_t data_offset;
1760 	struct _COMPASSIONATE_DATA *dac_info;
1761 	uint8_t frev, crev;
1762 	uint8_t bg, dac;
1763 	struct radeon_encoder_primary_dac *p_dac = NULL;
1764 
1765 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1766 				   &frev, &crev, &data_offset)) {
1767 		dac_info = (struct _COMPASSIONATE_DATA *)
1768 			(mode_info->atom_context->bios + data_offset);
1769 
1770 		p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac), GFP_KERNEL);
1771 
1772 		if (!p_dac)
1773 			return NULL;
1774 
1775 		bg = dac_info->ucDAC1_BG_Adjustment;
1776 		dac = dac_info->ucDAC1_DAC_Adjustment;
1777 		p_dac->ps2_pdac_adj = (bg << 8) | (dac);
1778 
1779 	}
1780 	return p_dac;
1781 }
1782 
radeon_atom_get_tv_timings(struct radeon_device * rdev,int index,struct drm_display_mode * mode)1783 bool radeon_atom_get_tv_timings(struct radeon_device *rdev, int index,
1784 				struct drm_display_mode *mode)
1785 {
1786 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1787 	ATOM_ANALOG_TV_INFO *tv_info;
1788 	ATOM_ANALOG_TV_INFO_V1_2 *tv_info_v1_2;
1789 	ATOM_DTD_FORMAT *dtd_timings;
1790 	int data_index = GetIndexIntoMasterTable(DATA, AnalogTV_Info);
1791 	u8 frev, crev;
1792 	u16 data_offset, misc;
1793 
1794 	if (!atom_parse_data_header(mode_info->atom_context, data_index, NULL,
1795 				    &frev, &crev, &data_offset))
1796 		return false;
1797 
1798 	switch (crev) {
1799 	case 1:
1800 		tv_info = (ATOM_ANALOG_TV_INFO *)(mode_info->atom_context->bios + data_offset);
1801 		if (index >= MAX_SUPPORTED_TV_TIMING)
1802 			return false;
1803 
1804 		mode->crtc_htotal = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_Total);
1805 		mode->crtc_hdisplay = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_Disp);
1806 		mode->crtc_hsync_start = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_SyncStart);
1807 		mode->crtc_hsync_end = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_SyncStart) +
1808 			le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_SyncWidth);
1809 
1810 		mode->crtc_vtotal = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_Total);
1811 		mode->crtc_vdisplay = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_Disp);
1812 		mode->crtc_vsync_start = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_SyncStart);
1813 		mode->crtc_vsync_end = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_SyncStart) +
1814 			le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_SyncWidth);
1815 
1816 		mode->flags = 0;
1817 		misc = le16_to_cpu(tv_info->aModeTimings[index].susModeMiscInfo.usAccess);
1818 		if (misc & ATOM_VSYNC_POLARITY)
1819 			mode->flags |= DRM_MODE_FLAG_NVSYNC;
1820 		if (misc & ATOM_HSYNC_POLARITY)
1821 			mode->flags |= DRM_MODE_FLAG_NHSYNC;
1822 		if (misc & ATOM_COMPOSITESYNC)
1823 			mode->flags |= DRM_MODE_FLAG_CSYNC;
1824 		if (misc & ATOM_INTERLACE)
1825 			mode->flags |= DRM_MODE_FLAG_INTERLACE;
1826 		if (misc & ATOM_DOUBLE_CLOCK_MODE)
1827 			mode->flags |= DRM_MODE_FLAG_DBLSCAN;
1828 
1829 		mode->crtc_clock = mode->clock =
1830 			le16_to_cpu(tv_info->aModeTimings[index].usPixelClock) * 10;
1831 
1832 		if (index == 1) {
1833 			/* PAL timings appear to have wrong values for totals */
1834 			mode->crtc_htotal -= 1;
1835 			mode->crtc_vtotal -= 1;
1836 		}
1837 		break;
1838 	case 2:
1839 		tv_info_v1_2 = (ATOM_ANALOG_TV_INFO_V1_2 *)(mode_info->atom_context->bios + data_offset);
1840 		if (index >= MAX_SUPPORTED_TV_TIMING_V1_2)
1841 			return false;
1842 
1843 		dtd_timings = &tv_info_v1_2->aModeTimings[index];
1844 		mode->crtc_htotal = le16_to_cpu(dtd_timings->usHActive) +
1845 			le16_to_cpu(dtd_timings->usHBlanking_Time);
1846 		mode->crtc_hdisplay = le16_to_cpu(dtd_timings->usHActive);
1847 		mode->crtc_hsync_start = le16_to_cpu(dtd_timings->usHActive) +
1848 			le16_to_cpu(dtd_timings->usHSyncOffset);
1849 		mode->crtc_hsync_end = mode->crtc_hsync_start +
1850 			le16_to_cpu(dtd_timings->usHSyncWidth);
1851 
1852 		mode->crtc_vtotal = le16_to_cpu(dtd_timings->usVActive) +
1853 			le16_to_cpu(dtd_timings->usVBlanking_Time);
1854 		mode->crtc_vdisplay = le16_to_cpu(dtd_timings->usVActive);
1855 		mode->crtc_vsync_start = le16_to_cpu(dtd_timings->usVActive) +
1856 			le16_to_cpu(dtd_timings->usVSyncOffset);
1857 		mode->crtc_vsync_end = mode->crtc_vsync_start +
1858 			le16_to_cpu(dtd_timings->usVSyncWidth);
1859 
1860 		mode->flags = 0;
1861 		misc = le16_to_cpu(dtd_timings->susModeMiscInfo.usAccess);
1862 		if (misc & ATOM_VSYNC_POLARITY)
1863 			mode->flags |= DRM_MODE_FLAG_NVSYNC;
1864 		if (misc & ATOM_HSYNC_POLARITY)
1865 			mode->flags |= DRM_MODE_FLAG_NHSYNC;
1866 		if (misc & ATOM_COMPOSITESYNC)
1867 			mode->flags |= DRM_MODE_FLAG_CSYNC;
1868 		if (misc & ATOM_INTERLACE)
1869 			mode->flags |= DRM_MODE_FLAG_INTERLACE;
1870 		if (misc & ATOM_DOUBLE_CLOCK_MODE)
1871 			mode->flags |= DRM_MODE_FLAG_DBLSCAN;
1872 
1873 		mode->crtc_clock = mode->clock =
1874 			le16_to_cpu(dtd_timings->usPixClk) * 10;
1875 		break;
1876 	}
1877 	return true;
1878 }
1879 
1880 enum radeon_tv_std
radeon_atombios_get_tv_info(struct radeon_device * rdev)1881 radeon_atombios_get_tv_info(struct radeon_device *rdev)
1882 {
1883 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1884 	int index = GetIndexIntoMasterTable(DATA, AnalogTV_Info);
1885 	uint16_t data_offset;
1886 	uint8_t frev, crev;
1887 	struct _ATOM_ANALOG_TV_INFO *tv_info;
1888 	enum radeon_tv_std tv_std = TV_STD_NTSC;
1889 
1890 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1891 				   &frev, &crev, &data_offset)) {
1892 
1893 		tv_info = (struct _ATOM_ANALOG_TV_INFO *)
1894 			(mode_info->atom_context->bios + data_offset);
1895 
1896 		switch (tv_info->ucTV_BootUpDefaultStandard) {
1897 		case ATOM_TV_NTSC:
1898 			tv_std = TV_STD_NTSC;
1899 			DRM_DEBUG_KMS("Default TV standard: NTSC\n");
1900 			break;
1901 		case ATOM_TV_NTSCJ:
1902 			tv_std = TV_STD_NTSC_J;
1903 			DRM_DEBUG_KMS("Default TV standard: NTSC-J\n");
1904 			break;
1905 		case ATOM_TV_PAL:
1906 			tv_std = TV_STD_PAL;
1907 			DRM_DEBUG_KMS("Default TV standard: PAL\n");
1908 			break;
1909 		case ATOM_TV_PALM:
1910 			tv_std = TV_STD_PAL_M;
1911 			DRM_DEBUG_KMS("Default TV standard: PAL-M\n");
1912 			break;
1913 		case ATOM_TV_PALN:
1914 			tv_std = TV_STD_PAL_N;
1915 			DRM_DEBUG_KMS("Default TV standard: PAL-N\n");
1916 			break;
1917 		case ATOM_TV_PALCN:
1918 			tv_std = TV_STD_PAL_CN;
1919 			DRM_DEBUG_KMS("Default TV standard: PAL-CN\n");
1920 			break;
1921 		case ATOM_TV_PAL60:
1922 			tv_std = TV_STD_PAL_60;
1923 			DRM_DEBUG_KMS("Default TV standard: PAL-60\n");
1924 			break;
1925 		case ATOM_TV_SECAM:
1926 			tv_std = TV_STD_SECAM;
1927 			DRM_DEBUG_KMS("Default TV standard: SECAM\n");
1928 			break;
1929 		default:
1930 			tv_std = TV_STD_NTSC;
1931 			DRM_DEBUG_KMS("Unknown TV standard; defaulting to NTSC\n");
1932 			break;
1933 		}
1934 	}
1935 	return tv_std;
1936 }
1937 
1938 struct radeon_encoder_tv_dac *
radeon_atombios_get_tv_dac_info(struct radeon_encoder * encoder)1939 radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder)
1940 {
1941 	struct drm_device *dev = encoder->base.dev;
1942 	struct radeon_device *rdev = dev->dev_private;
1943 	struct radeon_mode_info *mode_info = &rdev->mode_info;
1944 	int index = GetIndexIntoMasterTable(DATA, CompassionateData);
1945 	uint16_t data_offset;
1946 	struct _COMPASSIONATE_DATA *dac_info;
1947 	uint8_t frev, crev;
1948 	uint8_t bg, dac;
1949 	struct radeon_encoder_tv_dac *tv_dac = NULL;
1950 
1951 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
1952 				   &frev, &crev, &data_offset)) {
1953 
1954 		dac_info = (struct _COMPASSIONATE_DATA *)
1955 			(mode_info->atom_context->bios + data_offset);
1956 
1957 		tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
1958 
1959 		if (!tv_dac)
1960 			return NULL;
1961 
1962 		bg = dac_info->ucDAC2_CRT2_BG_Adjustment;
1963 		dac = dac_info->ucDAC2_CRT2_DAC_Adjustment;
1964 		tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1965 
1966 		bg = dac_info->ucDAC2_PAL_BG_Adjustment;
1967 		dac = dac_info->ucDAC2_PAL_DAC_Adjustment;
1968 		tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1969 
1970 		bg = dac_info->ucDAC2_NTSC_BG_Adjustment;
1971 		dac = dac_info->ucDAC2_NTSC_DAC_Adjustment;
1972 		tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1973 
1974 		tv_dac->tv_std = radeon_atombios_get_tv_info(rdev);
1975 	}
1976 	return tv_dac;
1977 }
1978 
1979 static const char *thermal_controller_names[] = {
1980 	"NONE",
1981 	"lm63",
1982 	"adm1032",
1983 	"adm1030",
1984 	"max6649",
1985 	"lm63", /* lm64 */
1986 	"f75375",
1987 	"asc7xxx",
1988 };
1989 
1990 static const char *pp_lib_thermal_controller_names[] = {
1991 	"NONE",
1992 	"lm63",
1993 	"adm1032",
1994 	"adm1030",
1995 	"max6649",
1996 	"lm63", /* lm64 */
1997 	"f75375",
1998 	"RV6xx",
1999 	"RV770",
2000 	"adt7473",
2001 	"NONE",
2002 	"External GPIO",
2003 	"Evergreen",
2004 	"emc2103",
2005 	"Sumo",
2006 	"Northern Islands",
2007 	"Southern Islands",
2008 	"lm96163",
2009 	"Sea Islands",
2010 };
2011 
2012 union power_info {
2013 	struct _ATOM_POWERPLAY_INFO info;
2014 	struct _ATOM_POWERPLAY_INFO_V2 info_2;
2015 	struct _ATOM_POWERPLAY_INFO_V3 info_3;
2016 	struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
2017 	struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
2018 	struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
2019 };
2020 
2021 union pplib_clock_info {
2022 	struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
2023 	struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
2024 	struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
2025 	struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
2026 	struct _ATOM_PPLIB_SI_CLOCK_INFO si;
2027 	struct _ATOM_PPLIB_CI_CLOCK_INFO ci;
2028 };
2029 
2030 union pplib_power_state {
2031 	struct _ATOM_PPLIB_STATE v1;
2032 	struct _ATOM_PPLIB_STATE_V2 v2;
2033 };
2034 
radeon_atombios_parse_misc_flags_1_3(struct radeon_device * rdev,int state_index,u32 misc,u32 misc2)2035 static void radeon_atombios_parse_misc_flags_1_3(struct radeon_device *rdev,
2036 						 int state_index,
2037 						 u32 misc, u32 misc2)
2038 {
2039 	rdev->pm.power_state[state_index].misc = misc;
2040 	rdev->pm.power_state[state_index].misc2 = misc2;
2041 	/* order matters! */
2042 	if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
2043 		rdev->pm.power_state[state_index].type =
2044 			POWER_STATE_TYPE_POWERSAVE;
2045 	if (misc & ATOM_PM_MISCINFO_DEFAULT_DC_STATE_ENTRY_TRUE)
2046 		rdev->pm.power_state[state_index].type =
2047 			POWER_STATE_TYPE_BATTERY;
2048 	if (misc & ATOM_PM_MISCINFO_DEFAULT_LOW_DC_STATE_ENTRY_TRUE)
2049 		rdev->pm.power_state[state_index].type =
2050 			POWER_STATE_TYPE_BATTERY;
2051 	if (misc & ATOM_PM_MISCINFO_LOAD_BALANCE_EN)
2052 		rdev->pm.power_state[state_index].type =
2053 			POWER_STATE_TYPE_BALANCED;
2054 	if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN) {
2055 		rdev->pm.power_state[state_index].type =
2056 			POWER_STATE_TYPE_PERFORMANCE;
2057 		rdev->pm.power_state[state_index].flags &=
2058 			~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2059 	}
2060 	if (misc2 & ATOM_PM_MISCINFO2_SYSTEM_AC_LITE_MODE)
2061 		rdev->pm.power_state[state_index].type =
2062 			POWER_STATE_TYPE_BALANCED;
2063 	if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
2064 		rdev->pm.power_state[state_index].type =
2065 			POWER_STATE_TYPE_DEFAULT;
2066 		rdev->pm.default_power_state_index = state_index;
2067 		rdev->pm.power_state[state_index].default_clock_mode =
2068 			&rdev->pm.power_state[state_index].clock_info[0];
2069 	} else if (state_index == 0) {
2070 		rdev->pm.power_state[state_index].clock_info[0].flags |=
2071 			RADEON_PM_MODE_NO_DISPLAY;
2072 	}
2073 }
2074 
radeon_atombios_parse_power_table_1_3(struct radeon_device * rdev)2075 static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev)
2076 {
2077 	struct radeon_mode_info *mode_info = &rdev->mode_info;
2078 	u32 misc, misc2 = 0;
2079 	int num_modes = 0, i;
2080 	int state_index = 0;
2081 	struct radeon_i2c_bus_rec i2c_bus;
2082 	union power_info *power_info;
2083 	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
2084 	u16 data_offset;
2085 	u8 frev, crev;
2086 
2087 	if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
2088 				   &frev, &crev, &data_offset))
2089 		return state_index;
2090 	power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
2091 
2092 	/* add the i2c bus for thermal/fan chip */
2093 	if ((power_info->info.ucOverdriveThermalController > 0) &&
2094 	    (power_info->info.ucOverdriveThermalController < ARRAY_SIZE(thermal_controller_names))) {
2095 		DRM_INFO("Possible %s thermal controller at 0x%02x\n",
2096 			 thermal_controller_names[power_info->info.ucOverdriveThermalController],
2097 			 power_info->info.ucOverdriveControllerAddress >> 1);
2098 		i2c_bus = radeon_lookup_i2c_gpio(rdev, power_info->info.ucOverdriveI2cLine);
2099 		rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2100 		if (rdev->pm.i2c_bus) {
2101 			struct i2c_board_info info = { };
2102 			const char *name = thermal_controller_names[power_info->info.
2103 								    ucOverdriveThermalController];
2104 			info.addr = power_info->info.ucOverdriveControllerAddress >> 1;
2105 			strlcpy(info.type, name, sizeof(info.type));
2106 			i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info);
2107 		}
2108 	}
2109 	num_modes = power_info->info.ucNumOfPowerModeEntries;
2110 	if (num_modes > ATOM_MAX_NUMBEROF_POWER_BLOCK)
2111 		num_modes = ATOM_MAX_NUMBEROF_POWER_BLOCK;
2112 	if (num_modes == 0)
2113 		return state_index;
2114 	rdev->pm.power_state = kcalloc(num_modes,
2115 				       sizeof(struct radeon_power_state),
2116 				       GFP_KERNEL);
2117 	if (!rdev->pm.power_state)
2118 		return state_index;
2119 	/* last mode is usually default, array is low to high */
2120 	for (i = 0; i < num_modes; i++) {
2121 		/* avoid memory leaks from invalid modes or unknown frev. */
2122 		if (!rdev->pm.power_state[state_index].clock_info) {
2123 			rdev->pm.power_state[state_index].clock_info =
2124 				kzalloc(sizeof(struct radeon_pm_clock_info),
2125 					GFP_KERNEL);
2126 		}
2127 		if (!rdev->pm.power_state[state_index].clock_info)
2128 			goto out;
2129 		rdev->pm.power_state[state_index].num_clock_modes = 1;
2130 		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2131 		switch (frev) {
2132 		case 1:
2133 			rdev->pm.power_state[state_index].clock_info[0].mclk =
2134 				le16_to_cpu(power_info->info.asPowerPlayInfo[i].usMemoryClock);
2135 			rdev->pm.power_state[state_index].clock_info[0].sclk =
2136 				le16_to_cpu(power_info->info.asPowerPlayInfo[i].usEngineClock);
2137 			/* skip invalid modes */
2138 			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2139 			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2140 				continue;
2141 			rdev->pm.power_state[state_index].pcie_lanes =
2142 				power_info->info.asPowerPlayInfo[i].ucNumPciELanes;
2143 			misc = le32_to_cpu(power_info->info.asPowerPlayInfo[i].ulMiscInfo);
2144 			if ((misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) ||
2145 			    (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)) {
2146 				rdev->pm.power_state[state_index].clock_info[0].voltage.type =
2147 					VOLTAGE_GPIO;
2148 				rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
2149 					radeon_atombios_lookup_gpio(rdev,
2150 							   power_info->info.asPowerPlayInfo[i].ucVoltageDropIndex);
2151 				if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)
2152 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2153 						true;
2154 				else
2155 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2156 						false;
2157 			} else if (misc & ATOM_PM_MISCINFO_PROGRAM_VOLTAGE) {
2158 				rdev->pm.power_state[state_index].clock_info[0].voltage.type =
2159 					VOLTAGE_VDDC;
2160 				rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
2161 					power_info->info.asPowerPlayInfo[i].ucVoltageDropIndex;
2162 			}
2163 			rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2164 			radeon_atombios_parse_misc_flags_1_3(rdev, state_index, misc, 0);
2165 			state_index++;
2166 			break;
2167 		case 2:
2168 			rdev->pm.power_state[state_index].clock_info[0].mclk =
2169 				le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMemoryClock);
2170 			rdev->pm.power_state[state_index].clock_info[0].sclk =
2171 				le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulEngineClock);
2172 			/* skip invalid modes */
2173 			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2174 			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2175 				continue;
2176 			rdev->pm.power_state[state_index].pcie_lanes =
2177 				power_info->info_2.asPowerPlayInfo[i].ucNumPciELanes;
2178 			misc = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo);
2179 			misc2 = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo2);
2180 			if ((misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) ||
2181 			    (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)) {
2182 				rdev->pm.power_state[state_index].clock_info[0].voltage.type =
2183 					VOLTAGE_GPIO;
2184 				rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
2185 					radeon_atombios_lookup_gpio(rdev,
2186 							   power_info->info_2.asPowerPlayInfo[i].ucVoltageDropIndex);
2187 				if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)
2188 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2189 						true;
2190 				else
2191 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2192 						false;
2193 			} else if (misc & ATOM_PM_MISCINFO_PROGRAM_VOLTAGE) {
2194 				rdev->pm.power_state[state_index].clock_info[0].voltage.type =
2195 					VOLTAGE_VDDC;
2196 				rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
2197 					power_info->info_2.asPowerPlayInfo[i].ucVoltageDropIndex;
2198 			}
2199 			rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2200 			radeon_atombios_parse_misc_flags_1_3(rdev, state_index, misc, misc2);
2201 			state_index++;
2202 			break;
2203 		case 3:
2204 			rdev->pm.power_state[state_index].clock_info[0].mclk =
2205 				le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMemoryClock);
2206 			rdev->pm.power_state[state_index].clock_info[0].sclk =
2207 				le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulEngineClock);
2208 			/* skip invalid modes */
2209 			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2210 			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2211 				continue;
2212 			rdev->pm.power_state[state_index].pcie_lanes =
2213 				power_info->info_3.asPowerPlayInfo[i].ucNumPciELanes;
2214 			misc = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo);
2215 			misc2 = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo2);
2216 			if ((misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) ||
2217 			    (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)) {
2218 				rdev->pm.power_state[state_index].clock_info[0].voltage.type =
2219 					VOLTAGE_GPIO;
2220 				rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
2221 					radeon_atombios_lookup_gpio(rdev,
2222 							   power_info->info_3.asPowerPlayInfo[i].ucVoltageDropIndex);
2223 				if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)
2224 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2225 						true;
2226 				else
2227 					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2228 						false;
2229 			} else if (misc & ATOM_PM_MISCINFO_PROGRAM_VOLTAGE) {
2230 				rdev->pm.power_state[state_index].clock_info[0].voltage.type =
2231 					VOLTAGE_VDDC;
2232 				rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
2233 					power_info->info_3.asPowerPlayInfo[i].ucVoltageDropIndex;
2234 				if (misc2 & ATOM_PM_MISCINFO2_VDDCI_DYNAMIC_VOLTAGE_EN) {
2235 					rdev->pm.power_state[state_index].clock_info[0].voltage.vddci_enabled =
2236 						true;
2237 					rdev->pm.power_state[state_index].clock_info[0].voltage.vddci_id =
2238 						power_info->info_3.asPowerPlayInfo[i].ucVDDCI_VoltageDropIndex;
2239 				}
2240 			}
2241 			rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2242 			radeon_atombios_parse_misc_flags_1_3(rdev, state_index, misc, misc2);
2243 			state_index++;
2244 			break;
2245 		}
2246 	}
2247 out:
2248 	/* free any unused clock_info allocation. */
2249 	if (state_index && state_index < num_modes) {
2250 		kfree(rdev->pm.power_state[state_index].clock_info);
2251 		rdev->pm.power_state[state_index].clock_info = NULL;
2252 	}
2253 
2254 	/* last mode is usually default */
2255 	if (state_index && rdev->pm.default_power_state_index == -1) {
2256 		rdev->pm.power_state[state_index - 1].type =
2257 			POWER_STATE_TYPE_DEFAULT;
2258 		rdev->pm.default_power_state_index = state_index - 1;
2259 		rdev->pm.power_state[state_index - 1].default_clock_mode =
2260 			&rdev->pm.power_state[state_index - 1].clock_info[0];
2261 		rdev->pm.power_state[state_index - 1].flags &=
2262 			~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2263 		rdev->pm.power_state[state_index - 1].misc = 0;
2264 		rdev->pm.power_state[state_index - 1].misc2 = 0;
2265 	}
2266 	return state_index;
2267 }
2268 
radeon_atombios_add_pplib_thermal_controller(struct radeon_device * rdev,ATOM_PPLIB_THERMALCONTROLLER * controller)2269 static void radeon_atombios_add_pplib_thermal_controller(struct radeon_device *rdev,
2270 							 ATOM_PPLIB_THERMALCONTROLLER *controller)
2271 {
2272 	struct radeon_i2c_bus_rec i2c_bus;
2273 
2274 	/* add the i2c bus for thermal/fan chip */
2275 	if (controller->ucType > 0) {
2276 		if (controller->ucFanParameters & ATOM_PP_FANPARAMETERS_NOFAN)
2277 			rdev->pm.no_fan = true;
2278 		rdev->pm.fan_pulses_per_revolution =
2279 			controller->ucFanParameters & ATOM_PP_FANPARAMETERS_TACHOMETER_PULSES_PER_REVOLUTION_MASK;
2280 		if (rdev->pm.fan_pulses_per_revolution) {
2281 			rdev->pm.fan_min_rpm = controller->ucFanMinRPM;
2282 			rdev->pm.fan_max_rpm = controller->ucFanMaxRPM;
2283 		}
2284 		if (controller->ucType == ATOM_PP_THERMALCONTROLLER_RV6xx) {
2285 			DRM_INFO("Internal thermal controller %s fan control\n",
2286 				 (controller->ucFanParameters &
2287 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2288 			rdev->pm.int_thermal_type = THERMAL_TYPE_RV6XX;
2289 		} else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_RV770) {
2290 			DRM_INFO("Internal thermal controller %s fan control\n",
2291 				 (controller->ucFanParameters &
2292 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2293 			rdev->pm.int_thermal_type = THERMAL_TYPE_RV770;
2294 		} else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_EVERGREEN) {
2295 			DRM_INFO("Internal thermal controller %s fan control\n",
2296 				 (controller->ucFanParameters &
2297 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2298 			rdev->pm.int_thermal_type = THERMAL_TYPE_EVERGREEN;
2299 		} else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_SUMO) {
2300 			DRM_INFO("Internal thermal controller %s fan control\n",
2301 				 (controller->ucFanParameters &
2302 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2303 			rdev->pm.int_thermal_type = THERMAL_TYPE_SUMO;
2304 		} else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_NISLANDS) {
2305 			DRM_INFO("Internal thermal controller %s fan control\n",
2306 				 (controller->ucFanParameters &
2307 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2308 			rdev->pm.int_thermal_type = THERMAL_TYPE_NI;
2309 		} else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_SISLANDS) {
2310 			DRM_INFO("Internal thermal controller %s fan control\n",
2311 				 (controller->ucFanParameters &
2312 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2313 			rdev->pm.int_thermal_type = THERMAL_TYPE_SI;
2314 		} else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_CISLANDS) {
2315 			DRM_INFO("Internal thermal controller %s fan control\n",
2316 				 (controller->ucFanParameters &
2317 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2318 			rdev->pm.int_thermal_type = THERMAL_TYPE_CI;
2319 		} else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_KAVERI) {
2320 			DRM_INFO("Internal thermal controller %s fan control\n",
2321 				 (controller->ucFanParameters &
2322 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2323 			rdev->pm.int_thermal_type = THERMAL_TYPE_KV;
2324 		} else if (controller->ucType ==
2325 			   ATOM_PP_THERMALCONTROLLER_EXTERNAL_GPIO) {
2326 			DRM_INFO("External GPIO thermal controller %s fan control\n",
2327 				 (controller->ucFanParameters &
2328 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2329 			rdev->pm.int_thermal_type = THERMAL_TYPE_EXTERNAL_GPIO;
2330 		} else if (controller->ucType ==
2331 			   ATOM_PP_THERMALCONTROLLER_ADT7473_WITH_INTERNAL) {
2332 			DRM_INFO("ADT7473 with internal thermal controller %s fan control\n",
2333 				 (controller->ucFanParameters &
2334 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2335 			rdev->pm.int_thermal_type = THERMAL_TYPE_ADT7473_WITH_INTERNAL;
2336 		} else if (controller->ucType ==
2337 			   ATOM_PP_THERMALCONTROLLER_EMC2103_WITH_INTERNAL) {
2338 			DRM_INFO("EMC2103 with internal thermal controller %s fan control\n",
2339 				 (controller->ucFanParameters &
2340 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2341 			rdev->pm.int_thermal_type = THERMAL_TYPE_EMC2103_WITH_INTERNAL;
2342 		} else if (controller->ucType < ARRAY_SIZE(pp_lib_thermal_controller_names)) {
2343 			DRM_INFO("Possible %s thermal controller at 0x%02x %s fan control\n",
2344 				 pp_lib_thermal_controller_names[controller->ucType],
2345 				 controller->ucI2cAddress >> 1,
2346 				 (controller->ucFanParameters &
2347 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2348 			rdev->pm.int_thermal_type = THERMAL_TYPE_EXTERNAL;
2349 			i2c_bus = radeon_lookup_i2c_gpio(rdev, controller->ucI2cLine);
2350 			rdev->pm.i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
2351 			if (rdev->pm.i2c_bus) {
2352 				struct i2c_board_info info = { };
2353 				const char *name = pp_lib_thermal_controller_names[controller->ucType];
2354 				info.addr = controller->ucI2cAddress >> 1;
2355 				strlcpy(info.type, name, sizeof(info.type));
2356 				i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info);
2357 			}
2358 		} else {
2359 			DRM_INFO("Unknown thermal controller type %d at 0x%02x %s fan control\n",
2360 				 controller->ucType,
2361 				 controller->ucI2cAddress >> 1,
2362 				 (controller->ucFanParameters &
2363 				  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
2364 		}
2365 	}
2366 }
2367 
radeon_atombios_get_default_voltages(struct radeon_device * rdev,u16 * vddc,u16 * vddci,u16 * mvdd)2368 void radeon_atombios_get_default_voltages(struct radeon_device *rdev,
2369 					  u16 *vddc, u16 *vddci, u16 *mvdd)
2370 {
2371 	struct radeon_mode_info *mode_info = &rdev->mode_info;
2372 	int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
2373 	u8 frev, crev;
2374 	u16 data_offset;
2375 	union firmware_info *firmware_info;
2376 
2377 	*vddc = 0;
2378 	*vddci = 0;
2379 	*mvdd = 0;
2380 
2381 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
2382 				   &frev, &crev, &data_offset)) {
2383 		firmware_info =
2384 			(union firmware_info *)(mode_info->atom_context->bios +
2385 						data_offset);
2386 		*vddc = le16_to_cpu(firmware_info->info_14.usBootUpVDDCVoltage);
2387 		if ((frev == 2) && (crev >= 2)) {
2388 			*vddci = le16_to_cpu(firmware_info->info_22.usBootUpVDDCIVoltage);
2389 			*mvdd = le16_to_cpu(firmware_info->info_22.usBootUpMVDDCVoltage);
2390 		}
2391 	}
2392 }
2393 
radeon_atombios_parse_pplib_non_clock_info(struct radeon_device * rdev,int state_index,int mode_index,struct _ATOM_PPLIB_NONCLOCK_INFO * non_clock_info)2394 static void radeon_atombios_parse_pplib_non_clock_info(struct radeon_device *rdev,
2395 						       int state_index, int mode_index,
2396 						       struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info)
2397 {
2398 	int j;
2399 	u32 misc = le32_to_cpu(non_clock_info->ulCapsAndSettings);
2400 	u32 misc2 = le16_to_cpu(non_clock_info->usClassification);
2401 	u16 vddc, vddci, mvdd;
2402 
2403 	radeon_atombios_get_default_voltages(rdev, &vddc, &vddci, &mvdd);
2404 
2405 	rdev->pm.power_state[state_index].misc = misc;
2406 	rdev->pm.power_state[state_index].misc2 = misc2;
2407 	rdev->pm.power_state[state_index].pcie_lanes =
2408 		((misc & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >>
2409 		 ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT) + 1;
2410 	switch (misc2 & ATOM_PPLIB_CLASSIFICATION_UI_MASK) {
2411 	case ATOM_PPLIB_CLASSIFICATION_UI_BATTERY:
2412 		rdev->pm.power_state[state_index].type =
2413 			POWER_STATE_TYPE_BATTERY;
2414 		break;
2415 	case ATOM_PPLIB_CLASSIFICATION_UI_BALANCED:
2416 		rdev->pm.power_state[state_index].type =
2417 			POWER_STATE_TYPE_BALANCED;
2418 		break;
2419 	case ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE:
2420 		rdev->pm.power_state[state_index].type =
2421 			POWER_STATE_TYPE_PERFORMANCE;
2422 		break;
2423 	case ATOM_PPLIB_CLASSIFICATION_UI_NONE:
2424 		if (misc2 & ATOM_PPLIB_CLASSIFICATION_3DPERFORMANCE)
2425 			rdev->pm.power_state[state_index].type =
2426 				POWER_STATE_TYPE_PERFORMANCE;
2427 		break;
2428 	}
2429 	rdev->pm.power_state[state_index].flags = 0;
2430 	if (misc & ATOM_PPLIB_SINGLE_DISPLAY_ONLY)
2431 		rdev->pm.power_state[state_index].flags |=
2432 			RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2433 	if (misc2 & ATOM_PPLIB_CLASSIFICATION_BOOT) {
2434 		rdev->pm.power_state[state_index].type =
2435 			POWER_STATE_TYPE_DEFAULT;
2436 		rdev->pm.default_power_state_index = state_index;
2437 		rdev->pm.power_state[state_index].default_clock_mode =
2438 			&rdev->pm.power_state[state_index].clock_info[mode_index - 1];
2439 		if ((rdev->family >= CHIP_BARTS) && !(rdev->flags & RADEON_IS_IGP)) {
2440 			/* NI chips post without MC ucode, so default clocks are strobe mode only */
2441 			rdev->pm.default_sclk = rdev->pm.power_state[state_index].clock_info[0].sclk;
2442 			rdev->pm.default_mclk = rdev->pm.power_state[state_index].clock_info[0].mclk;
2443 			rdev->pm.default_vddc = rdev->pm.power_state[state_index].clock_info[0].voltage.voltage;
2444 			rdev->pm.default_vddci = rdev->pm.power_state[state_index].clock_info[0].voltage.vddci;
2445 		} else {
2446 			u16 max_vddci = 0;
2447 
2448 			if (ASIC_IS_DCE4(rdev))
2449 				radeon_atom_get_max_voltage(rdev,
2450 							    SET_VOLTAGE_TYPE_ASIC_VDDCI,
2451 							    &max_vddci);
2452 			/* patch the table values with the default sclk/mclk from firmware info */
2453 			for (j = 0; j < mode_index; j++) {
2454 				rdev->pm.power_state[state_index].clock_info[j].mclk =
2455 					rdev->clock.default_mclk;
2456 				rdev->pm.power_state[state_index].clock_info[j].sclk =
2457 					rdev->clock.default_sclk;
2458 				if (vddc)
2459 					rdev->pm.power_state[state_index].clock_info[j].voltage.voltage =
2460 						vddc;
2461 				if (max_vddci)
2462 					rdev->pm.power_state[state_index].clock_info[j].voltage.vddci =
2463 						max_vddci;
2464 			}
2465 		}
2466 	}
2467 }
2468 
radeon_atombios_parse_pplib_clock_info(struct radeon_device * rdev,int state_index,int mode_index,union pplib_clock_info * clock_info)2469 static bool radeon_atombios_parse_pplib_clock_info(struct radeon_device *rdev,
2470 						   int state_index, int mode_index,
2471 						   union pplib_clock_info *clock_info)
2472 {
2473 	u32 sclk, mclk;
2474 	u16 vddc;
2475 
2476 	if (rdev->flags & RADEON_IS_IGP) {
2477 		if (rdev->family >= CHIP_PALM) {
2478 			sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
2479 			sclk |= clock_info->sumo.ucEngineClockHigh << 16;
2480 			rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
2481 		} else {
2482 			sclk = le16_to_cpu(clock_info->rs780.usLowEngineClockLow);
2483 			sclk |= clock_info->rs780.ucLowEngineClockHigh << 16;
2484 			rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
2485 		}
2486 	} else if (rdev->family >= CHIP_BONAIRE) {
2487 		sclk = le16_to_cpu(clock_info->ci.usEngineClockLow);
2488 		sclk |= clock_info->ci.ucEngineClockHigh << 16;
2489 		mclk = le16_to_cpu(clock_info->ci.usMemoryClockLow);
2490 		mclk |= clock_info->ci.ucMemoryClockHigh << 16;
2491 		rdev->pm.power_state[state_index].clock_info[mode_index].mclk = mclk;
2492 		rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
2493 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
2494 			VOLTAGE_NONE;
2495 	} else if (rdev->family >= CHIP_TAHITI) {
2496 		sclk = le16_to_cpu(clock_info->si.usEngineClockLow);
2497 		sclk |= clock_info->si.ucEngineClockHigh << 16;
2498 		mclk = le16_to_cpu(clock_info->si.usMemoryClockLow);
2499 		mclk |= clock_info->si.ucMemoryClockHigh << 16;
2500 		rdev->pm.power_state[state_index].clock_info[mode_index].mclk = mclk;
2501 		rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
2502 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
2503 			VOLTAGE_SW;
2504 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
2505 			le16_to_cpu(clock_info->si.usVDDC);
2506 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.vddci =
2507 			le16_to_cpu(clock_info->si.usVDDCI);
2508 	} else if (rdev->family >= CHIP_CEDAR) {
2509 		sclk = le16_to_cpu(clock_info->evergreen.usEngineClockLow);
2510 		sclk |= clock_info->evergreen.ucEngineClockHigh << 16;
2511 		mclk = le16_to_cpu(clock_info->evergreen.usMemoryClockLow);
2512 		mclk |= clock_info->evergreen.ucMemoryClockHigh << 16;
2513 		rdev->pm.power_state[state_index].clock_info[mode_index].mclk = mclk;
2514 		rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
2515 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
2516 			VOLTAGE_SW;
2517 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
2518 			le16_to_cpu(clock_info->evergreen.usVDDC);
2519 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.vddci =
2520 			le16_to_cpu(clock_info->evergreen.usVDDCI);
2521 	} else {
2522 		sclk = le16_to_cpu(clock_info->r600.usEngineClockLow);
2523 		sclk |= clock_info->r600.ucEngineClockHigh << 16;
2524 		mclk = le16_to_cpu(clock_info->r600.usMemoryClockLow);
2525 		mclk |= clock_info->r600.ucMemoryClockHigh << 16;
2526 		rdev->pm.power_state[state_index].clock_info[mode_index].mclk = mclk;
2527 		rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
2528 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
2529 			VOLTAGE_SW;
2530 		rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
2531 			le16_to_cpu(clock_info->r600.usVDDC);
2532 	}
2533 
2534 	/* patch up vddc if necessary */
2535 	switch (rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage) {
2536 	case ATOM_VIRTUAL_VOLTAGE_ID0:
2537 	case ATOM_VIRTUAL_VOLTAGE_ID1:
2538 	case ATOM_VIRTUAL_VOLTAGE_ID2:
2539 	case ATOM_VIRTUAL_VOLTAGE_ID3:
2540 	case ATOM_VIRTUAL_VOLTAGE_ID4:
2541 	case ATOM_VIRTUAL_VOLTAGE_ID5:
2542 	case ATOM_VIRTUAL_VOLTAGE_ID6:
2543 	case ATOM_VIRTUAL_VOLTAGE_ID7:
2544 		if (radeon_atom_get_max_vddc(rdev, VOLTAGE_TYPE_VDDC,
2545 					     rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage,
2546 					     &vddc) == 0)
2547 			rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage = vddc;
2548 		break;
2549 	default:
2550 		break;
2551 	}
2552 
2553 	if (rdev->flags & RADEON_IS_IGP) {
2554 		/* skip invalid modes */
2555 		if (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0)
2556 			return false;
2557 	} else {
2558 		/* skip invalid modes */
2559 		if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk == 0) ||
2560 		    (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0))
2561 			return false;
2562 	}
2563 	return true;
2564 }
2565 
radeon_atombios_parse_power_table_4_5(struct radeon_device * rdev)2566 static int radeon_atombios_parse_power_table_4_5(struct radeon_device *rdev)
2567 {
2568 	struct radeon_mode_info *mode_info = &rdev->mode_info;
2569 	struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
2570 	union pplib_power_state *power_state;
2571 	int i, j;
2572 	int state_index = 0, mode_index = 0;
2573 	union pplib_clock_info *clock_info;
2574 	bool valid;
2575 	union power_info *power_info;
2576 	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
2577 	u16 data_offset;
2578 	u8 frev, crev;
2579 
2580 	if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
2581 				   &frev, &crev, &data_offset))
2582 		return state_index;
2583 	power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
2584 
2585 	radeon_atombios_add_pplib_thermal_controller(rdev, &power_info->pplib.sThermalController);
2586 	if (power_info->pplib.ucNumStates == 0)
2587 		return state_index;
2588 	rdev->pm.power_state = kcalloc(power_info->pplib.ucNumStates,
2589 				       sizeof(struct radeon_power_state),
2590 				       GFP_KERNEL);
2591 	if (!rdev->pm.power_state)
2592 		return state_index;
2593 	/* first mode is usually default, followed by low to high */
2594 	for (i = 0; i < power_info->pplib.ucNumStates; i++) {
2595 		mode_index = 0;
2596 		power_state = (union pplib_power_state *)
2597 			(mode_info->atom_context->bios + data_offset +
2598 			 le16_to_cpu(power_info->pplib.usStateArrayOffset) +
2599 			 i * power_info->pplib.ucStateEntrySize);
2600 		non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
2601 			(mode_info->atom_context->bios + data_offset +
2602 			 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset) +
2603 			 (power_state->v1.ucNonClockStateIndex *
2604 			  power_info->pplib.ucNonClockSize));
2605 		rdev->pm.power_state[i].clock_info =
2606 			kcalloc((power_info->pplib.ucStateEntrySize - 1) ?
2607 				(power_info->pplib.ucStateEntrySize - 1) : 1,
2608 				sizeof(struct radeon_pm_clock_info),
2609 				GFP_KERNEL);
2610 		if (!rdev->pm.power_state[i].clock_info)
2611 			return state_index;
2612 		if (power_info->pplib.ucStateEntrySize - 1) {
2613 			for (j = 0; j < (power_info->pplib.ucStateEntrySize - 1); j++) {
2614 				clock_info = (union pplib_clock_info *)
2615 					(mode_info->atom_context->bios + data_offset +
2616 					 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset) +
2617 					 (power_state->v1.ucClockStateIndices[j] *
2618 					  power_info->pplib.ucClockInfoSize));
2619 				valid = radeon_atombios_parse_pplib_clock_info(rdev,
2620 									       state_index, mode_index,
2621 									       clock_info);
2622 				if (valid)
2623 					mode_index++;
2624 			}
2625 		} else {
2626 			rdev->pm.power_state[state_index].clock_info[0].mclk =
2627 				rdev->clock.default_mclk;
2628 			rdev->pm.power_state[state_index].clock_info[0].sclk =
2629 				rdev->clock.default_sclk;
2630 			mode_index++;
2631 		}
2632 		rdev->pm.power_state[state_index].num_clock_modes = mode_index;
2633 		if (mode_index) {
2634 			radeon_atombios_parse_pplib_non_clock_info(rdev, state_index, mode_index,
2635 								   non_clock_info);
2636 			state_index++;
2637 		}
2638 	}
2639 	/* if multiple clock modes, mark the lowest as no display */
2640 	for (i = 0; i < state_index; i++) {
2641 		if (rdev->pm.power_state[i].num_clock_modes > 1)
2642 			rdev->pm.power_state[i].clock_info[0].flags |=
2643 				RADEON_PM_MODE_NO_DISPLAY;
2644 	}
2645 	/* first mode is usually default */
2646 	if (rdev->pm.default_power_state_index == -1) {
2647 		rdev->pm.power_state[0].type =
2648 			POWER_STATE_TYPE_DEFAULT;
2649 		rdev->pm.default_power_state_index = 0;
2650 		rdev->pm.power_state[0].default_clock_mode =
2651 			&rdev->pm.power_state[0].clock_info[0];
2652 	}
2653 	return state_index;
2654 }
2655 
radeon_atombios_parse_power_table_6(struct radeon_device * rdev)2656 static int radeon_atombios_parse_power_table_6(struct radeon_device *rdev)
2657 {
2658 	struct radeon_mode_info *mode_info = &rdev->mode_info;
2659 	struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
2660 	union pplib_power_state *power_state;
2661 	int i, j, non_clock_array_index, clock_array_index;
2662 	int state_index = 0, mode_index = 0;
2663 	union pplib_clock_info *clock_info;
2664 	struct _StateArray *state_array;
2665 	struct _ClockInfoArray *clock_info_array;
2666 	struct _NonClockInfoArray *non_clock_info_array;
2667 	bool valid;
2668 	union power_info *power_info;
2669 	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
2670 	u16 data_offset;
2671 	u8 frev, crev;
2672 	u8 *power_state_offset;
2673 
2674 	if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
2675 				   &frev, &crev, &data_offset))
2676 		return state_index;
2677 	power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
2678 
2679 	radeon_atombios_add_pplib_thermal_controller(rdev, &power_info->pplib.sThermalController);
2680 	state_array = (struct _StateArray *)
2681 		(mode_info->atom_context->bios + data_offset +
2682 		 le16_to_cpu(power_info->pplib.usStateArrayOffset));
2683 	clock_info_array = (struct _ClockInfoArray *)
2684 		(mode_info->atom_context->bios + data_offset +
2685 		 le16_to_cpu(power_info->pplib.usClockInfoArrayOffset));
2686 	non_clock_info_array = (struct _NonClockInfoArray *)
2687 		(mode_info->atom_context->bios + data_offset +
2688 		 le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset));
2689 	if (state_array->ucNumEntries == 0)
2690 		return state_index;
2691 	rdev->pm.power_state = kcalloc(state_array->ucNumEntries,
2692 				       sizeof(struct radeon_power_state),
2693 				       GFP_KERNEL);
2694 	if (!rdev->pm.power_state)
2695 		return state_index;
2696 	power_state_offset = (u8 *)state_array->states;
2697 	for (i = 0; i < state_array->ucNumEntries; i++) {
2698 		mode_index = 0;
2699 		power_state = (union pplib_power_state *)power_state_offset;
2700 		non_clock_array_index = power_state->v2.nonClockInfoIndex;
2701 		non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
2702 			&non_clock_info_array->nonClockInfo[non_clock_array_index];
2703 		rdev->pm.power_state[i].clock_info =
2704 			kcalloc(power_state->v2.ucNumDPMLevels ?
2705 				power_state->v2.ucNumDPMLevels : 1,
2706 				sizeof(struct radeon_pm_clock_info),
2707 				GFP_KERNEL);
2708 		if (!rdev->pm.power_state[i].clock_info)
2709 			return state_index;
2710 		if (power_state->v2.ucNumDPMLevels) {
2711 			for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
2712 				clock_array_index = power_state->v2.clockInfoIndex[j];
2713 				clock_info = (union pplib_clock_info *)
2714 					&clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize];
2715 				valid = radeon_atombios_parse_pplib_clock_info(rdev,
2716 									       state_index, mode_index,
2717 									       clock_info);
2718 				if (valid)
2719 					mode_index++;
2720 			}
2721 		} else {
2722 			rdev->pm.power_state[state_index].clock_info[0].mclk =
2723 				rdev->clock.default_mclk;
2724 			rdev->pm.power_state[state_index].clock_info[0].sclk =
2725 				rdev->clock.default_sclk;
2726 			mode_index++;
2727 		}
2728 		rdev->pm.power_state[state_index].num_clock_modes = mode_index;
2729 		if (mode_index) {
2730 			radeon_atombios_parse_pplib_non_clock_info(rdev, state_index, mode_index,
2731 								   non_clock_info);
2732 			state_index++;
2733 		}
2734 		power_state_offset += 2 + power_state->v2.ucNumDPMLevels;
2735 	}
2736 	/* if multiple clock modes, mark the lowest as no display */
2737 	for (i = 0; i < state_index; i++) {
2738 		if (rdev->pm.power_state[i].num_clock_modes > 1)
2739 			rdev->pm.power_state[i].clock_info[0].flags |=
2740 				RADEON_PM_MODE_NO_DISPLAY;
2741 	}
2742 	/* first mode is usually default */
2743 	if (rdev->pm.default_power_state_index == -1) {
2744 		rdev->pm.power_state[0].type =
2745 			POWER_STATE_TYPE_DEFAULT;
2746 		rdev->pm.default_power_state_index = 0;
2747 		rdev->pm.power_state[0].default_clock_mode =
2748 			&rdev->pm.power_state[0].clock_info[0];
2749 	}
2750 	return state_index;
2751 }
2752 
radeon_atombios_get_power_modes(struct radeon_device * rdev)2753 void radeon_atombios_get_power_modes(struct radeon_device *rdev)
2754 {
2755 	struct radeon_mode_info *mode_info = &rdev->mode_info;
2756 	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
2757 	u16 data_offset;
2758 	u8 frev, crev;
2759 	int state_index = 0;
2760 
2761 	rdev->pm.default_power_state_index = -1;
2762 
2763 	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
2764 				   &frev, &crev, &data_offset)) {
2765 		switch (frev) {
2766 		case 1:
2767 		case 2:
2768 		case 3:
2769 			state_index = radeon_atombios_parse_power_table_1_3(rdev);
2770 			break;
2771 		case 4:
2772 		case 5:
2773 			state_index = radeon_atombios_parse_power_table_4_5(rdev);
2774 			break;
2775 		case 6:
2776 			state_index = radeon_atombios_parse_power_table_6(rdev);
2777 			break;
2778 		default:
2779 			break;
2780 		}
2781 	}
2782 
2783 	if (state_index == 0) {
2784 		rdev->pm.power_state = kzalloc(sizeof(struct radeon_power_state), GFP_KERNEL);
2785 		if (rdev->pm.power_state) {
2786 			rdev->pm.power_state[0].clock_info =
2787 				kcalloc(1,
2788 				        sizeof(struct radeon_pm_clock_info),
2789 				        GFP_KERNEL);
2790 			if (rdev->pm.power_state[0].clock_info) {
2791 				/* add the default mode */
2792 				rdev->pm.power_state[state_index].type =
2793 					POWER_STATE_TYPE_DEFAULT;
2794 				rdev->pm.power_state[state_index].num_clock_modes = 1;
2795 				rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
2796 				rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
2797 				rdev->pm.power_state[state_index].default_clock_mode =
2798 					&rdev->pm.power_state[state_index].clock_info[0];
2799 				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2800 				rdev->pm.power_state[state_index].pcie_lanes = 16;
2801 				rdev->pm.default_power_state_index = state_index;
2802 				rdev->pm.power_state[state_index].flags = 0;
2803 				state_index++;
2804 			}
2805 		}
2806 	}
2807 
2808 	rdev->pm.num_power_states = state_index;
2809 
2810 	rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2811 	rdev->pm.current_clock_mode_index = 0;
2812 	if (rdev->pm.default_power_state_index >= 0)
2813 		rdev->pm.current_vddc =
2814 			rdev->pm.power_state[rdev->pm.default_power_state_index].clock_info[0].voltage.voltage;
2815 	else
2816 		rdev->pm.current_vddc = 0;
2817 }
2818 
2819 union get_clock_dividers {
2820 	struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS v1;
2821 	struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V2 v2;
2822 	struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V3 v3;
2823 	struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V4 v4;
2824 	struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V5 v5;
2825 	struct _COMPUTE_GPU_CLOCK_INPUT_PARAMETERS_V1_6 v6_in;
2826 	struct _COMPUTE_GPU_CLOCK_OUTPUT_PARAMETERS_V1_6 v6_out;
2827 };
2828 
radeon_atom_get_clock_dividers(struct radeon_device * rdev,u8 clock_type,u32 clock,bool strobe_mode,struct atom_clock_dividers * dividers)2829 int radeon_atom_get_clock_dividers(struct radeon_device *rdev,
2830 				   u8 clock_type,
2831 				   u32 clock,
2832 				   bool strobe_mode,
2833 				   struct atom_clock_dividers *dividers)
2834 {
2835 	union get_clock_dividers args;
2836 	int index = GetIndexIntoMasterTable(COMMAND, ComputeMemoryEnginePLL);
2837 	u8 frev, crev;
2838 
2839 	memset(&args, 0, sizeof(args));
2840 	memset(dividers, 0, sizeof(struct atom_clock_dividers));
2841 
2842 	if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
2843 		return -EINVAL;
2844 
2845 	switch (crev) {
2846 	case 1:
2847 		/* r4xx, r5xx */
2848 		args.v1.ucAction = clock_type;
2849 		args.v1.ulClock = cpu_to_le32(clock);	/* 10 khz */
2850 
2851 		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
2852 
2853 		dividers->post_div = args.v1.ucPostDiv;
2854 		dividers->fb_div = args.v1.ucFbDiv;
2855 		dividers->enable_post_div = true;
2856 		break;
2857 	case 2:
2858 	case 3:
2859 	case 5:
2860 		/* r6xx, r7xx, evergreen, ni, si */
2861 		if (rdev->family <= CHIP_RV770) {
2862 			args.v2.ucAction = clock_type;
2863 			args.v2.ulClock = cpu_to_le32(clock);	/* 10 khz */
2864 
2865 			atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
2866 
2867 			dividers->post_div = args.v2.ucPostDiv;
2868 			dividers->fb_div = le16_to_cpu(args.v2.usFbDiv);
2869 			dividers->ref_div = args.v2.ucAction;
2870 			if (rdev->family == CHIP_RV770) {
2871 				dividers->enable_post_div = (le32_to_cpu(args.v2.ulClock) & (1 << 24)) ?
2872 					true : false;
2873 				dividers->vco_mode = (le32_to_cpu(args.v2.ulClock) & (1 << 25)) ? 1 : 0;
2874 			} else
2875 				dividers->enable_post_div = (dividers->fb_div & 1) ? true : false;
2876 		} else {
2877 			if (clock_type == COMPUTE_ENGINE_PLL_PARAM) {
2878 				args.v3.ulClockParams = cpu_to_le32((clock_type << 24) | clock);
2879 
2880 				atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
2881 
2882 				dividers->post_div = args.v3.ucPostDiv;
2883 				dividers->enable_post_div = (args.v3.ucCntlFlag &
2884 							     ATOM_PLL_CNTL_FLAG_PLL_POST_DIV_EN) ? true : false;
2885 				dividers->enable_dithen = (args.v3.ucCntlFlag &
2886 							   ATOM_PLL_CNTL_FLAG_FRACTION_DISABLE) ? false : true;
2887 				dividers->whole_fb_div = le16_to_cpu(args.v3.ulFbDiv.usFbDiv);
2888 				dividers->frac_fb_div = le16_to_cpu(args.v3.ulFbDiv.usFbDivFrac);
2889 				dividers->ref_div = args.v3.ucRefDiv;
2890 				dividers->vco_mode = (args.v3.ucCntlFlag &
2891 						      ATOM_PLL_CNTL_FLAG_MPLL_VCO_MODE) ? 1 : 0;
2892 			} else {
2893 				/* for SI we use ComputeMemoryClockParam for memory plls */
2894 				if (rdev->family >= CHIP_TAHITI)
2895 					return -EINVAL;
2896 				args.v5.ulClockParams = cpu_to_le32((clock_type << 24) | clock);
2897 				if (strobe_mode)
2898 					args.v5.ucInputFlag = ATOM_PLL_INPUT_FLAG_PLL_STROBE_MODE_EN;
2899 
2900 				atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
2901 
2902 				dividers->post_div = args.v5.ucPostDiv;
2903 				dividers->enable_post_div = (args.v5.ucCntlFlag &
2904 							     ATOM_PLL_CNTL_FLAG_PLL_POST_DIV_EN) ? true : false;
2905 				dividers->enable_dithen = (args.v5.ucCntlFlag &
2906 							   ATOM_PLL_CNTL_FLAG_FRACTION_DISABLE) ? false : true;
2907 				dividers->whole_fb_div = le16_to_cpu(args.v5.ulFbDiv.usFbDiv);
2908 				dividers->frac_fb_div = le16_to_cpu(args.v5.ulFbDiv.usFbDivFrac);
2909 				dividers->ref_div = args.v5.ucRefDiv;
2910 				dividers->vco_mode = (args.v5.ucCntlFlag &
2911 						      ATOM_PLL_CNTL_FLAG_MPLL_VCO_MODE) ? 1 : 0;
2912 			}
2913 		}
2914 		break;
2915 	case 4:
2916 		/* fusion */
2917 		args.v4.ulClock = cpu_to_le32(clock);	/* 10 khz */
2918 
2919 		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
2920 
2921 		dividers->post_divider = dividers->post_div = args.v4.ucPostDiv;
2922 		dividers->real_clock = le32_to_cpu(args.v4.ulClock);
2923 		break;
2924 	case 6:
2925 		/* CI */
2926 		/* COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK, COMPUTE_GPUCLK_INPUT_FLAG_SCLK */
2927 		args.v6_in.ulClock.ulComputeClockFlag = clock_type;
2928 		args.v6_in.ulClock.ulClockFreq = cpu_to_le32(clock);	/* 10 khz */
2929 
2930 		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
2931 
2932 		dividers->whole_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDiv);
2933 		dividers->frac_fb_div = le16_to_cpu(args.v6_out.ulFbDiv.usFbDivFrac);
2934 		dividers->ref_div = args.v6_out.ucPllRefDiv;
2935 		dividers->post_div = args.v6_out.ucPllPostDiv;
2936 		dividers->flags = args.v6_out.ucPllCntlFlag;
2937 		dividers->real_clock = le32_to_cpu(args.v6_out.ulClock.ulClock);
2938 		dividers->post_divider = args.v6_out.ulClock.ucPostDiv;
2939 		break;
2940 	default:
2941 		return -EINVAL;
2942 	}
2943 	return 0;
2944 }
2945 
radeon_atom_get_memory_pll_dividers(struct radeon_device * rdev,u32 clock,bool strobe_mode,struct atom_mpll_param * mpll_param)2946 int radeon_atom_get_memory_pll_dividers(struct radeon_device *rdev,
2947 					u32 clock,
2948 					bool strobe_mode,
2949 					struct atom_mpll_param *mpll_param)
2950 {
2951 	COMPUTE_MEMORY_CLOCK_PARAM_PARAMETERS_V2_1 args;
2952 	int index = GetIndexIntoMasterTable(COMMAND, ComputeMemoryClockParam);
2953 	u8 frev, crev;
2954 
2955 	memset(&args, 0, sizeof(args));
2956 	memset(mpll_param, 0, sizeof(struct atom_mpll_param));
2957 
2958 	if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
2959 		return -EINVAL;
2960 
2961 	switch (frev) {
2962 	case 2:
2963 		switch (crev) {
2964 		case 1:
2965 			/* SI */
2966 			args.ulClock = cpu_to_le32(clock);	/* 10 khz */
2967 			args.ucInputFlag = 0;
2968 			if (strobe_mode)
2969 				args.ucInputFlag |= MPLL_INPUT_FLAG_STROBE_MODE_EN;
2970 
2971 			atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
2972 
2973 			mpll_param->clkfrac = le16_to_cpu(args.ulFbDiv.usFbDivFrac);
2974 			mpll_param->clkf = le16_to_cpu(args.ulFbDiv.usFbDiv);
2975 			mpll_param->post_div = args.ucPostDiv;
2976 			mpll_param->dll_speed = args.ucDllSpeed;
2977 			mpll_param->bwcntl = args.ucBWCntl;
2978 			mpll_param->vco_mode =
2979 				(args.ucPllCntlFlag & MPLL_CNTL_FLAG_VCO_MODE_MASK);
2980 			mpll_param->yclk_sel =
2981 				(args.ucPllCntlFlag & MPLL_CNTL_FLAG_BYPASS_DQ_PLL) ? 1 : 0;
2982 			mpll_param->qdr =
2983 				(args.ucPllCntlFlag & MPLL_CNTL_FLAG_QDR_ENABLE) ? 1 : 0;
2984 			mpll_param->half_rate =
2985 				(args.ucPllCntlFlag & MPLL_CNTL_FLAG_AD_HALF_RATE) ? 1 : 0;
2986 			break;
2987 		default:
2988 			return -EINVAL;
2989 		}
2990 		break;
2991 	default:
2992 		return -EINVAL;
2993 	}
2994 	return 0;
2995 }
2996 
radeon_atom_set_clock_gating(struct radeon_device * rdev,int enable)2997 void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable)
2998 {
2999 	DYNAMIC_CLOCK_GATING_PS_ALLOCATION args;
3000 	int index = GetIndexIntoMasterTable(COMMAND, DynamicClockGating);
3001 
3002 	args.ucEnable = enable;
3003 
3004 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3005 }
3006 
radeon_atom_get_engine_clock(struct radeon_device * rdev)3007 uint32_t radeon_atom_get_engine_clock(struct radeon_device *rdev)
3008 {
3009 	GET_ENGINE_CLOCK_PS_ALLOCATION args;
3010 	int index = GetIndexIntoMasterTable(COMMAND, GetEngineClock);
3011 
3012 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3013 	return le32_to_cpu(args.ulReturnEngineClock);
3014 }
3015 
radeon_atom_get_memory_clock(struct radeon_device * rdev)3016 uint32_t radeon_atom_get_memory_clock(struct radeon_device *rdev)
3017 {
3018 	GET_MEMORY_CLOCK_PS_ALLOCATION args;
3019 	int index = GetIndexIntoMasterTable(COMMAND, GetMemoryClock);
3020 
3021 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3022 	return le32_to_cpu(args.ulReturnMemoryClock);
3023 }
3024 
radeon_atom_set_engine_clock(struct radeon_device * rdev,uint32_t eng_clock)3025 void radeon_atom_set_engine_clock(struct radeon_device *rdev,
3026 				  uint32_t eng_clock)
3027 {
3028 	SET_ENGINE_CLOCK_PS_ALLOCATION args;
3029 	int index = GetIndexIntoMasterTable(COMMAND, SetEngineClock);
3030 
3031 	args.ulTargetEngineClock = cpu_to_le32(eng_clock);	/* 10 khz */
3032 
3033 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3034 }
3035 
radeon_atom_set_memory_clock(struct radeon_device * rdev,uint32_t mem_clock)3036 void radeon_atom_set_memory_clock(struct radeon_device *rdev,
3037 				  uint32_t mem_clock)
3038 {
3039 	SET_MEMORY_CLOCK_PS_ALLOCATION args;
3040 	int index = GetIndexIntoMasterTable(COMMAND, SetMemoryClock);
3041 
3042 	if (rdev->flags & RADEON_IS_IGP)
3043 		return;
3044 
3045 	args.ulTargetMemoryClock = cpu_to_le32(mem_clock);	/* 10 khz */
3046 
3047 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3048 }
3049 
radeon_atom_set_engine_dram_timings(struct radeon_device * rdev,u32 eng_clock,u32 mem_clock)3050 void radeon_atom_set_engine_dram_timings(struct radeon_device *rdev,
3051 					 u32 eng_clock, u32 mem_clock)
3052 {
3053 	SET_ENGINE_CLOCK_PS_ALLOCATION args;
3054 	int index = GetIndexIntoMasterTable(COMMAND, DynamicMemorySettings);
3055 	u32 tmp;
3056 
3057 	memset(&args, 0, sizeof(args));
3058 
3059 	tmp = eng_clock & SET_CLOCK_FREQ_MASK;
3060 	tmp |= (COMPUTE_ENGINE_PLL_PARAM << 24);
3061 
3062 	args.ulTargetEngineClock = cpu_to_le32(tmp);
3063 	if (mem_clock)
3064 		args.sReserved.ulClock = cpu_to_le32(mem_clock & SET_CLOCK_FREQ_MASK);
3065 
3066 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3067 }
3068 
radeon_atom_update_memory_dll(struct radeon_device * rdev,u32 mem_clock)3069 void radeon_atom_update_memory_dll(struct radeon_device *rdev,
3070 				   u32 mem_clock)
3071 {
3072 	u32 args;
3073 	int index = GetIndexIntoMasterTable(COMMAND, DynamicMemorySettings);
3074 
3075 	args = cpu_to_le32(mem_clock);	/* 10 khz */
3076 
3077 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3078 }
3079 
radeon_atom_set_ac_timing(struct radeon_device * rdev,u32 mem_clock)3080 void radeon_atom_set_ac_timing(struct radeon_device *rdev,
3081 			       u32 mem_clock)
3082 {
3083 	SET_MEMORY_CLOCK_PS_ALLOCATION args;
3084 	int index = GetIndexIntoMasterTable(COMMAND, DynamicMemorySettings);
3085 	u32 tmp = mem_clock | (COMPUTE_MEMORY_PLL_PARAM << 24);
3086 
3087 	args.ulTargetMemoryClock = cpu_to_le32(tmp);	/* 10 khz */
3088 
3089 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3090 }
3091 
3092 union set_voltage {
3093 	struct _SET_VOLTAGE_PS_ALLOCATION alloc;
3094 	struct _SET_VOLTAGE_PARAMETERS v1;
3095 	struct _SET_VOLTAGE_PARAMETERS_V2 v2;
3096 	struct _SET_VOLTAGE_PARAMETERS_V1_3 v3;
3097 };
3098 
radeon_atom_set_voltage(struct radeon_device * rdev,u16 voltage_level,u8 voltage_type)3099 void radeon_atom_set_voltage(struct radeon_device *rdev, u16 voltage_level, u8 voltage_type)
3100 {
3101 	union set_voltage args;
3102 	int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
3103 	u8 frev, crev, volt_index = voltage_level;
3104 
3105 	if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
3106 		return;
3107 
3108 	/* 0xff01 is a flag rather then an actual voltage */
3109 	if (voltage_level == 0xff01)
3110 		return;
3111 
3112 	switch (crev) {
3113 	case 1:
3114 		args.v1.ucVoltageType = voltage_type;
3115 		args.v1.ucVoltageMode = SET_ASIC_VOLTAGE_MODE_ALL_SOURCE;
3116 		args.v1.ucVoltageIndex = volt_index;
3117 		break;
3118 	case 2:
3119 		args.v2.ucVoltageType = voltage_type;
3120 		args.v2.ucVoltageMode = SET_ASIC_VOLTAGE_MODE_SET_VOLTAGE;
3121 		args.v2.usVoltageLevel = cpu_to_le16(voltage_level);
3122 		break;
3123 	case 3:
3124 		args.v3.ucVoltageType = voltage_type;
3125 		args.v3.ucVoltageMode = ATOM_SET_VOLTAGE;
3126 		args.v3.usVoltageLevel = cpu_to_le16(voltage_level);
3127 		break;
3128 	default:
3129 		DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3130 		return;
3131 	}
3132 
3133 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3134 }
3135 
radeon_atom_get_max_vddc(struct radeon_device * rdev,u8 voltage_type,u16 voltage_id,u16 * voltage)3136 int radeon_atom_get_max_vddc(struct radeon_device *rdev, u8 voltage_type,
3137 			     u16 voltage_id, u16 *voltage)
3138 {
3139 	union set_voltage args;
3140 	int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
3141 	u8 frev, crev;
3142 
3143 	if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
3144 		return -EINVAL;
3145 
3146 	switch (crev) {
3147 	case 1:
3148 		return -EINVAL;
3149 	case 2:
3150 		args.v2.ucVoltageType = SET_VOLTAGE_GET_MAX_VOLTAGE;
3151 		args.v2.ucVoltageMode = 0;
3152 		args.v2.usVoltageLevel = 0;
3153 
3154 		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3155 
3156 		*voltage = le16_to_cpu(args.v2.usVoltageLevel);
3157 		break;
3158 	case 3:
3159 		args.v3.ucVoltageType = voltage_type;
3160 		args.v3.ucVoltageMode = ATOM_GET_VOLTAGE_LEVEL;
3161 		args.v3.usVoltageLevel = cpu_to_le16(voltage_id);
3162 
3163 		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3164 
3165 		*voltage = le16_to_cpu(args.v3.usVoltageLevel);
3166 		break;
3167 	default:
3168 		DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3169 		return -EINVAL;
3170 	}
3171 
3172 	return 0;
3173 }
3174 
radeon_atom_get_leakage_vddc_based_on_leakage_idx(struct radeon_device * rdev,u16 * voltage,u16 leakage_idx)3175 int radeon_atom_get_leakage_vddc_based_on_leakage_idx(struct radeon_device *rdev,
3176 						      u16 *voltage,
3177 						      u16 leakage_idx)
3178 {
3179 	return radeon_atom_get_max_vddc(rdev, VOLTAGE_TYPE_VDDC, leakage_idx, voltage);
3180 }
3181 
radeon_atom_get_leakage_id_from_vbios(struct radeon_device * rdev,u16 * leakage_id)3182 int radeon_atom_get_leakage_id_from_vbios(struct radeon_device *rdev,
3183 					  u16 *leakage_id)
3184 {
3185 	union set_voltage args;
3186 	int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
3187 	u8 frev, crev;
3188 
3189 	if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
3190 		return -EINVAL;
3191 
3192 	switch (crev) {
3193 	case 3:
3194 	case 4:
3195 		args.v3.ucVoltageType = 0;
3196 		args.v3.ucVoltageMode = ATOM_GET_LEAKAGE_ID;
3197 		args.v3.usVoltageLevel = 0;
3198 
3199 		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3200 
3201 		*leakage_id = le16_to_cpu(args.v3.usVoltageLevel);
3202 		break;
3203 	default:
3204 		DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3205 		return -EINVAL;
3206 	}
3207 
3208 	return 0;
3209 }
3210 
radeon_atom_get_leakage_vddc_based_on_leakage_params(struct radeon_device * rdev,u16 * vddc,u16 * vddci,u16 virtual_voltage_id,u16 vbios_voltage_id)3211 int radeon_atom_get_leakage_vddc_based_on_leakage_params(struct radeon_device *rdev,
3212 							 u16 *vddc, u16 *vddci,
3213 							 u16 virtual_voltage_id,
3214 							 u16 vbios_voltage_id)
3215 {
3216 	int index = GetIndexIntoMasterTable(DATA, ASIC_ProfilingInfo);
3217 	u8 frev, crev;
3218 	u16 data_offset, size;
3219 	int i, j;
3220 	ATOM_ASIC_PROFILING_INFO_V2_1 *profile;
3221 	u16 *leakage_bin, *vddc_id_buf, *vddc_buf, *vddci_id_buf, *vddci_buf;
3222 
3223 	*vddc = 0;
3224 	*vddci = 0;
3225 
3226 	if (!atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3227 				    &frev, &crev, &data_offset))
3228 		return -EINVAL;
3229 
3230 	profile = (ATOM_ASIC_PROFILING_INFO_V2_1 *)
3231 		(rdev->mode_info.atom_context->bios + data_offset);
3232 
3233 	switch (frev) {
3234 	case 1:
3235 		return -EINVAL;
3236 	case 2:
3237 		switch (crev) {
3238 		case 1:
3239 			if (size < sizeof(ATOM_ASIC_PROFILING_INFO_V2_1))
3240 				return -EINVAL;
3241 			leakage_bin = (u16 *)
3242 				(rdev->mode_info.atom_context->bios + data_offset +
3243 				 le16_to_cpu(profile->usLeakageBinArrayOffset));
3244 			vddc_id_buf = (u16 *)
3245 				(rdev->mode_info.atom_context->bios + data_offset +
3246 				 le16_to_cpu(profile->usElbVDDC_IdArrayOffset));
3247 			vddc_buf = (u16 *)
3248 				(rdev->mode_info.atom_context->bios + data_offset +
3249 				 le16_to_cpu(profile->usElbVDDC_LevelArrayOffset));
3250 			vddci_id_buf = (u16 *)
3251 				(rdev->mode_info.atom_context->bios + data_offset +
3252 				 le16_to_cpu(profile->usElbVDDCI_IdArrayOffset));
3253 			vddci_buf = (u16 *)
3254 				(rdev->mode_info.atom_context->bios + data_offset +
3255 				 le16_to_cpu(profile->usElbVDDCI_LevelArrayOffset));
3256 
3257 			if (profile->ucElbVDDC_Num > 0) {
3258 				for (i = 0; i < profile->ucElbVDDC_Num; i++) {
3259 					if (vddc_id_buf[i] == virtual_voltage_id) {
3260 						for (j = 0; j < profile->ucLeakageBinNum; j++) {
3261 							if (vbios_voltage_id <= leakage_bin[j]) {
3262 								*vddc = vddc_buf[j * profile->ucElbVDDC_Num + i];
3263 								break;
3264 							}
3265 						}
3266 						break;
3267 					}
3268 				}
3269 			}
3270 			if (profile->ucElbVDDCI_Num > 0) {
3271 				for (i = 0; i < profile->ucElbVDDCI_Num; i++) {
3272 					if (vddci_id_buf[i] == virtual_voltage_id) {
3273 						for (j = 0; j < profile->ucLeakageBinNum; j++) {
3274 							if (vbios_voltage_id <= leakage_bin[j]) {
3275 								*vddci = vddci_buf[j * profile->ucElbVDDCI_Num + i];
3276 								break;
3277 							}
3278 						}
3279 						break;
3280 					}
3281 				}
3282 			}
3283 			break;
3284 		default:
3285 			DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3286 			return -EINVAL;
3287 		}
3288 		break;
3289 	default:
3290 		DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3291 		return -EINVAL;
3292 	}
3293 
3294 	return 0;
3295 }
3296 
3297 union get_voltage_info {
3298 	struct  _GET_VOLTAGE_INFO_INPUT_PARAMETER_V1_2 in;
3299 	struct  _GET_EVV_VOLTAGE_INFO_OUTPUT_PARAMETER_V1_2 evv_out;
3300 };
3301 
radeon_atom_get_voltage_evv(struct radeon_device * rdev,u16 virtual_voltage_id,u16 * voltage)3302 int radeon_atom_get_voltage_evv(struct radeon_device *rdev,
3303 				u16 virtual_voltage_id,
3304 				u16 *voltage)
3305 {
3306 	int index = GetIndexIntoMasterTable(COMMAND, GetVoltageInfo);
3307 	u32 entry_id;
3308 	u32 count = rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.count;
3309 	union get_voltage_info args;
3310 
3311 	for (entry_id = 0; entry_id < count; entry_id++) {
3312 		if (rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[entry_id].v ==
3313 		    virtual_voltage_id)
3314 			break;
3315 	}
3316 
3317 	if (entry_id >= count)
3318 		return -EINVAL;
3319 
3320 	args.in.ucVoltageType = VOLTAGE_TYPE_VDDC;
3321 	args.in.ucVoltageMode = ATOM_GET_VOLTAGE_EVV_VOLTAGE;
3322 	args.in.usVoltageLevel = cpu_to_le16(virtual_voltage_id);
3323 	args.in.ulSCLKFreq =
3324 		cpu_to_le32(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[entry_id].clk);
3325 
3326 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3327 
3328 	*voltage = le16_to_cpu(args.evv_out.usVoltageLevel);
3329 
3330 	return 0;
3331 }
3332 
radeon_atom_get_voltage_gpio_settings(struct radeon_device * rdev,u16 voltage_level,u8 voltage_type,u32 * gpio_value,u32 * gpio_mask)3333 int radeon_atom_get_voltage_gpio_settings(struct radeon_device *rdev,
3334 					  u16 voltage_level, u8 voltage_type,
3335 					  u32 *gpio_value, u32 *gpio_mask)
3336 {
3337 	union set_voltage args;
3338 	int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
3339 	u8 frev, crev;
3340 
3341 	if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
3342 		return -EINVAL;
3343 
3344 	switch (crev) {
3345 	case 1:
3346 		return -EINVAL;
3347 	case 2:
3348 		args.v2.ucVoltageType = voltage_type;
3349 		args.v2.ucVoltageMode = SET_ASIC_VOLTAGE_MODE_GET_GPIOMASK;
3350 		args.v2.usVoltageLevel = cpu_to_le16(voltage_level);
3351 
3352 		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
3353 
3354 		*gpio_mask = le32_to_cpu(*(u32 *)&args.v2);
3355 
3356 		args.v2.ucVoltageType = voltage_type;
3357 		args.v2.ucVoltageMode = SET_ASIC_VOLTAGE_MODE_GET_GPIOVAL;
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_value = le32_to_cpu(*(u32 *)&args.v2);
3363 		break;
3364 	default:
3365 		DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3366 		return -EINVAL;
3367 	}
3368 
3369 	return 0;
3370 }
3371 
3372 union voltage_object_info {
3373 	struct _ATOM_VOLTAGE_OBJECT_INFO v1;
3374 	struct _ATOM_VOLTAGE_OBJECT_INFO_V2 v2;
3375 	struct _ATOM_VOLTAGE_OBJECT_INFO_V3_1 v3;
3376 };
3377 
3378 union voltage_object {
3379 	struct _ATOM_VOLTAGE_OBJECT v1;
3380 	struct _ATOM_VOLTAGE_OBJECT_V2 v2;
3381 	union _ATOM_VOLTAGE_OBJECT_V3 v3;
3382 };
3383 
atom_lookup_voltage_object_v1(ATOM_VOLTAGE_OBJECT_INFO * v1,u8 voltage_type)3384 static ATOM_VOLTAGE_OBJECT *atom_lookup_voltage_object_v1(ATOM_VOLTAGE_OBJECT_INFO *v1,
3385 							  u8 voltage_type)
3386 {
3387 	u32 size = le16_to_cpu(v1->sHeader.usStructureSize);
3388 	u32 offset = offsetof(ATOM_VOLTAGE_OBJECT_INFO, asVoltageObj[0]);
3389 	u8 *start = (u8 *)v1;
3390 
3391 	while (offset < size) {
3392 		ATOM_VOLTAGE_OBJECT *vo = (ATOM_VOLTAGE_OBJECT *)(start + offset);
3393 		if (vo->ucVoltageType == voltage_type)
3394 			return vo;
3395 		offset += offsetof(ATOM_VOLTAGE_OBJECT, asFormula.ucVIDAdjustEntries) +
3396 			vo->asFormula.ucNumOfVoltageEntries;
3397 	}
3398 	return NULL;
3399 }
3400 
atom_lookup_voltage_object_v2(ATOM_VOLTAGE_OBJECT_INFO_V2 * v2,u8 voltage_type)3401 static ATOM_VOLTAGE_OBJECT_V2 *atom_lookup_voltage_object_v2(ATOM_VOLTAGE_OBJECT_INFO_V2 *v2,
3402 							     u8 voltage_type)
3403 {
3404 	u32 size = le16_to_cpu(v2->sHeader.usStructureSize);
3405 	u32 offset = offsetof(ATOM_VOLTAGE_OBJECT_INFO_V2, asVoltageObj[0]);
3406 	u8 *start = (u8*)v2;
3407 
3408 	while (offset < size) {
3409 		ATOM_VOLTAGE_OBJECT_V2 *vo = (ATOM_VOLTAGE_OBJECT_V2 *)(start + offset);
3410 		if (vo->ucVoltageType == voltage_type)
3411 			return vo;
3412 		offset += offsetof(ATOM_VOLTAGE_OBJECT_V2, asFormula.asVIDAdjustEntries) +
3413 			(vo->asFormula.ucNumOfVoltageEntries * sizeof(VOLTAGE_LUT_ENTRY));
3414 	}
3415 	return NULL;
3416 }
3417 
atom_lookup_voltage_object_v3(ATOM_VOLTAGE_OBJECT_INFO_V3_1 * v3,u8 voltage_type,u8 voltage_mode)3418 static ATOM_VOLTAGE_OBJECT_V3 *atom_lookup_voltage_object_v3(ATOM_VOLTAGE_OBJECT_INFO_V3_1 *v3,
3419 							     u8 voltage_type, u8 voltage_mode)
3420 {
3421 	u32 size = le16_to_cpu(v3->sHeader.usStructureSize);
3422 	u32 offset = offsetof(ATOM_VOLTAGE_OBJECT_INFO_V3_1, asVoltageObj[0]);
3423 	u8 *start = (u8*)v3;
3424 
3425 	while (offset < size) {
3426 		ATOM_VOLTAGE_OBJECT_V3 *vo = (ATOM_VOLTAGE_OBJECT_V3 *)(start + offset);
3427 		if ((vo->asGpioVoltageObj.sHeader.ucVoltageType == voltage_type) &&
3428 		    (vo->asGpioVoltageObj.sHeader.ucVoltageMode == voltage_mode))
3429 			return vo;
3430 		offset += le16_to_cpu(vo->asGpioVoltageObj.sHeader.usSize);
3431 	}
3432 	return NULL;
3433 }
3434 
3435 bool
radeon_atom_is_voltage_gpio(struct radeon_device * rdev,u8 voltage_type,u8 voltage_mode)3436 radeon_atom_is_voltage_gpio(struct radeon_device *rdev,
3437 			    u8 voltage_type, u8 voltage_mode)
3438 {
3439 	int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
3440 	u8 frev, crev;
3441 	u16 data_offset, size;
3442 	union voltage_object_info *voltage_info;
3443 	union voltage_object *voltage_object = NULL;
3444 
3445 	if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3446 				   &frev, &crev, &data_offset)) {
3447 		voltage_info = (union voltage_object_info *)
3448 			(rdev->mode_info.atom_context->bios + data_offset);
3449 
3450 		switch (frev) {
3451 		case 1:
3452 		case 2:
3453 			switch (crev) {
3454 			case 1:
3455 				voltage_object = (union voltage_object *)
3456 					atom_lookup_voltage_object_v1(&voltage_info->v1, voltage_type);
3457 				if (voltage_object &&
3458 				    (voltage_object->v1.asControl.ucVoltageControlId == VOLTAGE_CONTROLLED_BY_GPIO))
3459 					return true;
3460 				break;
3461 			case 2:
3462 				voltage_object = (union voltage_object *)
3463 					atom_lookup_voltage_object_v2(&voltage_info->v2, voltage_type);
3464 				if (voltage_object &&
3465 				    (voltage_object->v2.asControl.ucVoltageControlId == VOLTAGE_CONTROLLED_BY_GPIO))
3466 					return true;
3467 				break;
3468 			default:
3469 				DRM_ERROR("unknown voltage object table\n");
3470 				return false;
3471 			}
3472 			break;
3473 		case 3:
3474 			switch (crev) {
3475 			case 1:
3476 				if (atom_lookup_voltage_object_v3(&voltage_info->v3,
3477 								  voltage_type, voltage_mode))
3478 					return true;
3479 				break;
3480 			default:
3481 				DRM_ERROR("unknown voltage object table\n");
3482 				return false;
3483 			}
3484 			break;
3485 		default:
3486 			DRM_ERROR("unknown voltage object table\n");
3487 			return false;
3488 		}
3489 
3490 	}
3491 	return false;
3492 }
3493 
radeon_atom_get_svi2_info(struct radeon_device * rdev,u8 voltage_type,u8 * svd_gpio_id,u8 * svc_gpio_id)3494 int radeon_atom_get_svi2_info(struct radeon_device *rdev,
3495 			      u8 voltage_type,
3496 			      u8 *svd_gpio_id, u8 *svc_gpio_id)
3497 {
3498 	int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
3499 	u8 frev, crev;
3500 	u16 data_offset, size;
3501 	union voltage_object_info *voltage_info;
3502 	union voltage_object *voltage_object = NULL;
3503 
3504 	if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3505 				   &frev, &crev, &data_offset)) {
3506 		voltage_info = (union voltage_object_info *)
3507 			(rdev->mode_info.atom_context->bios + data_offset);
3508 
3509 		switch (frev) {
3510 		case 3:
3511 			switch (crev) {
3512 			case 1:
3513 				voltage_object = (union voltage_object *)
3514 					atom_lookup_voltage_object_v3(&voltage_info->v3,
3515 								      voltage_type,
3516 								      VOLTAGE_OBJ_SVID2);
3517 				if (voltage_object) {
3518 					*svd_gpio_id = voltage_object->v3.asSVID2Obj.ucSVDGpioId;
3519 					*svc_gpio_id = voltage_object->v3.asSVID2Obj.ucSVCGpioId;
3520 				} else {
3521 					return -EINVAL;
3522 				}
3523 				break;
3524 			default:
3525 				DRM_ERROR("unknown voltage object table\n");
3526 				return -EINVAL;
3527 			}
3528 			break;
3529 		default:
3530 			DRM_ERROR("unknown voltage object table\n");
3531 			return -EINVAL;
3532 		}
3533 
3534 	}
3535 	return 0;
3536 }
3537 
radeon_atom_get_max_voltage(struct radeon_device * rdev,u8 voltage_type,u16 * max_voltage)3538 int radeon_atom_get_max_voltage(struct radeon_device *rdev,
3539 				u8 voltage_type, u16 *max_voltage)
3540 {
3541 	int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
3542 	u8 frev, crev;
3543 	u16 data_offset, size;
3544 	union voltage_object_info *voltage_info;
3545 	union voltage_object *voltage_object = NULL;
3546 
3547 	if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3548 				   &frev, &crev, &data_offset)) {
3549 		voltage_info = (union voltage_object_info *)
3550 			(rdev->mode_info.atom_context->bios + data_offset);
3551 
3552 		switch (crev) {
3553 		case 1:
3554 			voltage_object = (union voltage_object *)
3555 				atom_lookup_voltage_object_v1(&voltage_info->v1, voltage_type);
3556 			if (voltage_object) {
3557 				ATOM_VOLTAGE_FORMULA *formula =
3558 					&voltage_object->v1.asFormula;
3559 				if (formula->ucFlag & 1)
3560 					*max_voltage =
3561 						le16_to_cpu(formula->usVoltageBaseLevel) +
3562 						formula->ucNumOfVoltageEntries / 2 *
3563 						le16_to_cpu(formula->usVoltageStep);
3564 				else
3565 					*max_voltage =
3566 						le16_to_cpu(formula->usVoltageBaseLevel) +
3567 						(formula->ucNumOfVoltageEntries - 1) *
3568 						le16_to_cpu(formula->usVoltageStep);
3569 				return 0;
3570 			}
3571 			break;
3572 		case 2:
3573 			voltage_object = (union voltage_object *)
3574 				atom_lookup_voltage_object_v2(&voltage_info->v2, voltage_type);
3575 			if (voltage_object) {
3576 				ATOM_VOLTAGE_FORMULA_V2 *formula =
3577 					&voltage_object->v2.asFormula;
3578 				if (formula->ucNumOfVoltageEntries) {
3579 					VOLTAGE_LUT_ENTRY *lut = (VOLTAGE_LUT_ENTRY *)
3580 						((u8 *)&formula->asVIDAdjustEntries[0] +
3581 						 (sizeof(VOLTAGE_LUT_ENTRY) * (formula->ucNumOfVoltageEntries - 1)));
3582 					*max_voltage =
3583 						le16_to_cpu(lut->usVoltageValue);
3584 					return 0;
3585 				}
3586 			}
3587 			break;
3588 		default:
3589 			DRM_ERROR("unknown voltage object table\n");
3590 			return -EINVAL;
3591 		}
3592 
3593 	}
3594 	return -EINVAL;
3595 }
3596 
radeon_atom_get_min_voltage(struct radeon_device * rdev,u8 voltage_type,u16 * min_voltage)3597 int radeon_atom_get_min_voltage(struct radeon_device *rdev,
3598 				u8 voltage_type, u16 *min_voltage)
3599 {
3600 	int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
3601 	u8 frev, crev;
3602 	u16 data_offset, size;
3603 	union voltage_object_info *voltage_info;
3604 	union voltage_object *voltage_object = NULL;
3605 
3606 	if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3607 				   &frev, &crev, &data_offset)) {
3608 		voltage_info = (union voltage_object_info *)
3609 			(rdev->mode_info.atom_context->bios + data_offset);
3610 
3611 		switch (crev) {
3612 		case 1:
3613 			voltage_object = (union voltage_object *)
3614 				atom_lookup_voltage_object_v1(&voltage_info->v1, voltage_type);
3615 			if (voltage_object) {
3616 				ATOM_VOLTAGE_FORMULA *formula =
3617 					&voltage_object->v1.asFormula;
3618 				*min_voltage =
3619 					le16_to_cpu(formula->usVoltageBaseLevel);
3620 				return 0;
3621 			}
3622 			break;
3623 		case 2:
3624 			voltage_object = (union voltage_object *)
3625 				atom_lookup_voltage_object_v2(&voltage_info->v2, voltage_type);
3626 			if (voltage_object) {
3627 				ATOM_VOLTAGE_FORMULA_V2 *formula =
3628 					&voltage_object->v2.asFormula;
3629 				if (formula->ucNumOfVoltageEntries) {
3630 					*min_voltage =
3631 						le16_to_cpu(formula->asVIDAdjustEntries[
3632 								    0
3633 								    ].usVoltageValue);
3634 					return 0;
3635 				}
3636 			}
3637 			break;
3638 		default:
3639 			DRM_ERROR("unknown voltage object table\n");
3640 			return -EINVAL;
3641 		}
3642 
3643 	}
3644 	return -EINVAL;
3645 }
3646 
radeon_atom_get_voltage_step(struct radeon_device * rdev,u8 voltage_type,u16 * voltage_step)3647 int radeon_atom_get_voltage_step(struct radeon_device *rdev,
3648 				 u8 voltage_type, u16 *voltage_step)
3649 {
3650 	int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
3651 	u8 frev, crev;
3652 	u16 data_offset, size;
3653 	union voltage_object_info *voltage_info;
3654 	union voltage_object *voltage_object = NULL;
3655 
3656 	if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3657 				   &frev, &crev, &data_offset)) {
3658 		voltage_info = (union voltage_object_info *)
3659 			(rdev->mode_info.atom_context->bios + data_offset);
3660 
3661 		switch (crev) {
3662 		case 1:
3663 			voltage_object = (union voltage_object *)
3664 				atom_lookup_voltage_object_v1(&voltage_info->v1, voltage_type);
3665 			if (voltage_object) {
3666 				ATOM_VOLTAGE_FORMULA *formula =
3667 					&voltage_object->v1.asFormula;
3668 				if (formula->ucFlag & 1)
3669 					*voltage_step =
3670 						(le16_to_cpu(formula->usVoltageStep) + 1) / 2;
3671 				else
3672 					*voltage_step =
3673 						le16_to_cpu(formula->usVoltageStep);
3674 				return 0;
3675 			}
3676 			break;
3677 		case 2:
3678 			return -EINVAL;
3679 		default:
3680 			DRM_ERROR("unknown voltage object table\n");
3681 			return -EINVAL;
3682 		}
3683 
3684 	}
3685 	return -EINVAL;
3686 }
3687 
radeon_atom_round_to_true_voltage(struct radeon_device * rdev,u8 voltage_type,u16 nominal_voltage,u16 * true_voltage)3688 int radeon_atom_round_to_true_voltage(struct radeon_device *rdev,
3689 				      u8 voltage_type,
3690 				      u16 nominal_voltage,
3691 				      u16 *true_voltage)
3692 {
3693 	u16 min_voltage, max_voltage, voltage_step;
3694 
3695 	if (radeon_atom_get_max_voltage(rdev, voltage_type, &max_voltage))
3696 		return -EINVAL;
3697 	if (radeon_atom_get_min_voltage(rdev, voltage_type, &min_voltage))
3698 		return -EINVAL;
3699 	if (radeon_atom_get_voltage_step(rdev, voltage_type, &voltage_step))
3700 		return -EINVAL;
3701 
3702 	if (nominal_voltage <= min_voltage)
3703 		*true_voltage = min_voltage;
3704 	else if (nominal_voltage >= max_voltage)
3705 		*true_voltage = max_voltage;
3706 	else
3707 		*true_voltage = min_voltage +
3708 			((nominal_voltage - min_voltage) / voltage_step) *
3709 			voltage_step;
3710 
3711 	return 0;
3712 }
3713 
radeon_atom_get_voltage_table(struct radeon_device * rdev,u8 voltage_type,u8 voltage_mode,struct atom_voltage_table * voltage_table)3714 int radeon_atom_get_voltage_table(struct radeon_device *rdev,
3715 				  u8 voltage_type, u8 voltage_mode,
3716 				  struct atom_voltage_table *voltage_table)
3717 {
3718 	int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
3719 	u8 frev, crev;
3720 	u16 data_offset, size;
3721 	int i, ret;
3722 	union voltage_object_info *voltage_info;
3723 	union voltage_object *voltage_object = NULL;
3724 
3725 	if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3726 				   &frev, &crev, &data_offset)) {
3727 		voltage_info = (union voltage_object_info *)
3728 			(rdev->mode_info.atom_context->bios + data_offset);
3729 
3730 		switch (frev) {
3731 		case 1:
3732 		case 2:
3733 			switch (crev) {
3734 			case 1:
3735 				DRM_ERROR("old table version %d, %d\n", frev, crev);
3736 				return -EINVAL;
3737 			case 2:
3738 				voltage_object = (union voltage_object *)
3739 					atom_lookup_voltage_object_v2(&voltage_info->v2, voltage_type);
3740 				if (voltage_object) {
3741 					ATOM_VOLTAGE_FORMULA_V2 *formula =
3742 						&voltage_object->v2.asFormula;
3743 					VOLTAGE_LUT_ENTRY *lut;
3744 					if (formula->ucNumOfVoltageEntries > MAX_VOLTAGE_ENTRIES)
3745 						return -EINVAL;
3746 					lut = &formula->asVIDAdjustEntries[0];
3747 					for (i = 0; i < formula->ucNumOfVoltageEntries; i++) {
3748 						voltage_table->entries[i].value =
3749 							le16_to_cpu(lut->usVoltageValue);
3750 						ret = radeon_atom_get_voltage_gpio_settings(rdev,
3751 											    voltage_table->entries[i].value,
3752 											    voltage_type,
3753 											    &voltage_table->entries[i].smio_low,
3754 											    &voltage_table->mask_low);
3755 						if (ret)
3756 							return ret;
3757 						lut = (VOLTAGE_LUT_ENTRY *)
3758 							((u8 *)lut + sizeof(VOLTAGE_LUT_ENTRY));
3759 					}
3760 					voltage_table->count = formula->ucNumOfVoltageEntries;
3761 					return 0;
3762 				}
3763 				break;
3764 			default:
3765 				DRM_ERROR("unknown voltage object table\n");
3766 				return -EINVAL;
3767 			}
3768 			break;
3769 		case 3:
3770 			switch (crev) {
3771 			case 1:
3772 				voltage_object = (union voltage_object *)
3773 					atom_lookup_voltage_object_v3(&voltage_info->v3,
3774 								      voltage_type, voltage_mode);
3775 				if (voltage_object) {
3776 					ATOM_GPIO_VOLTAGE_OBJECT_V3 *gpio =
3777 						&voltage_object->v3.asGpioVoltageObj;
3778 					VOLTAGE_LUT_ENTRY_V2 *lut;
3779 					if (gpio->ucGpioEntryNum > MAX_VOLTAGE_ENTRIES)
3780 						return -EINVAL;
3781 					lut = &gpio->asVolGpioLut[0];
3782 					for (i = 0; i < gpio->ucGpioEntryNum; i++) {
3783 						voltage_table->entries[i].value =
3784 							le16_to_cpu(lut->usVoltageValue);
3785 						voltage_table->entries[i].smio_low =
3786 							le32_to_cpu(lut->ulVoltageId);
3787 						lut = (VOLTAGE_LUT_ENTRY_V2 *)
3788 							((u8 *)lut + sizeof(VOLTAGE_LUT_ENTRY_V2));
3789 					}
3790 					voltage_table->mask_low = le32_to_cpu(gpio->ulGpioMaskVal);
3791 					voltage_table->count = gpio->ucGpioEntryNum;
3792 					voltage_table->phase_delay = gpio->ucPhaseDelay;
3793 					return 0;
3794 				}
3795 				break;
3796 			default:
3797 				DRM_ERROR("unknown voltage object table\n");
3798 				return -EINVAL;
3799 			}
3800 			break;
3801 		default:
3802 			DRM_ERROR("unknown voltage object table\n");
3803 			return -EINVAL;
3804 		}
3805 	}
3806 	return -EINVAL;
3807 }
3808 
3809 union vram_info {
3810 	struct _ATOM_VRAM_INFO_V3 v1_3;
3811 	struct _ATOM_VRAM_INFO_V4 v1_4;
3812 	struct _ATOM_VRAM_INFO_HEADER_V2_1 v2_1;
3813 };
3814 
radeon_atom_get_memory_info(struct radeon_device * rdev,u8 module_index,struct atom_memory_info * mem_info)3815 int radeon_atom_get_memory_info(struct radeon_device *rdev,
3816 				u8 module_index, struct atom_memory_info *mem_info)
3817 {
3818 	int index = GetIndexIntoMasterTable(DATA, VRAM_Info);
3819 	u8 frev, crev, i;
3820 	u16 data_offset, size;
3821 	union vram_info *vram_info;
3822 
3823 	memset(mem_info, 0, sizeof(struct atom_memory_info));
3824 
3825 	if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3826 				   &frev, &crev, &data_offset)) {
3827 		vram_info = (union vram_info *)
3828 			(rdev->mode_info.atom_context->bios + data_offset);
3829 		switch (frev) {
3830 		case 1:
3831 			switch (crev) {
3832 			case 3:
3833 				/* r6xx */
3834 				if (module_index < vram_info->v1_3.ucNumOfVRAMModule) {
3835 					ATOM_VRAM_MODULE_V3 *vram_module =
3836 						(ATOM_VRAM_MODULE_V3 *)vram_info->v1_3.aVramInfo;
3837 
3838 					for (i = 0; i < module_index; i++) {
3839 						if (le16_to_cpu(vram_module->usSize) == 0)
3840 							return -EINVAL;
3841 						vram_module = (ATOM_VRAM_MODULE_V3 *)
3842 							((u8 *)vram_module + le16_to_cpu(vram_module->usSize));
3843 					}
3844 					mem_info->mem_vendor = vram_module->asMemory.ucMemoryVenderID & 0xf;
3845 					mem_info->mem_type = vram_module->asMemory.ucMemoryType & 0xf0;
3846 				} else
3847 					return -EINVAL;
3848 				break;
3849 			case 4:
3850 				/* r7xx, evergreen */
3851 				if (module_index < vram_info->v1_4.ucNumOfVRAMModule) {
3852 					ATOM_VRAM_MODULE_V4 *vram_module =
3853 						(ATOM_VRAM_MODULE_V4 *)vram_info->v1_4.aVramInfo;
3854 
3855 					for (i = 0; i < module_index; i++) {
3856 						if (le16_to_cpu(vram_module->usModuleSize) == 0)
3857 							return -EINVAL;
3858 						vram_module = (ATOM_VRAM_MODULE_V4 *)
3859 							((u8 *)vram_module + le16_to_cpu(vram_module->usModuleSize));
3860 					}
3861 					mem_info->mem_vendor = vram_module->ucMemoryVenderID & 0xf;
3862 					mem_info->mem_type = vram_module->ucMemoryType & 0xf0;
3863 				} else
3864 					return -EINVAL;
3865 				break;
3866 			default:
3867 				DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3868 				return -EINVAL;
3869 			}
3870 			break;
3871 		case 2:
3872 			switch (crev) {
3873 			case 1:
3874 				/* ni */
3875 				if (module_index < vram_info->v2_1.ucNumOfVRAMModule) {
3876 					ATOM_VRAM_MODULE_V7 *vram_module =
3877 						(ATOM_VRAM_MODULE_V7 *)vram_info->v2_1.aVramInfo;
3878 
3879 					for (i = 0; i < module_index; i++) {
3880 						if (le16_to_cpu(vram_module->usModuleSize) == 0)
3881 							return -EINVAL;
3882 						vram_module = (ATOM_VRAM_MODULE_V7 *)
3883 							((u8 *)vram_module + le16_to_cpu(vram_module->usModuleSize));
3884 					}
3885 					mem_info->mem_vendor = vram_module->ucMemoryVenderID & 0xf;
3886 					mem_info->mem_type = vram_module->ucMemoryType & 0xf0;
3887 				} else
3888 					return -EINVAL;
3889 				break;
3890 			default:
3891 				DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3892 				return -EINVAL;
3893 			}
3894 			break;
3895 		default:
3896 			DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3897 			return -EINVAL;
3898 		}
3899 		return 0;
3900 	}
3901 	return -EINVAL;
3902 }
3903 
radeon_atom_get_mclk_range_table(struct radeon_device * rdev,bool gddr5,u8 module_index,struct atom_memory_clock_range_table * mclk_range_table)3904 int radeon_atom_get_mclk_range_table(struct radeon_device *rdev,
3905 				     bool gddr5, u8 module_index,
3906 				     struct atom_memory_clock_range_table *mclk_range_table)
3907 {
3908 	int index = GetIndexIntoMasterTable(DATA, VRAM_Info);
3909 	u8 frev, crev, i;
3910 	u16 data_offset, size;
3911 	union vram_info *vram_info;
3912 	u32 mem_timing_size = gddr5 ?
3913 		sizeof(ATOM_MEMORY_TIMING_FORMAT_V2) : sizeof(ATOM_MEMORY_TIMING_FORMAT);
3914 
3915 	memset(mclk_range_table, 0, sizeof(struct atom_memory_clock_range_table));
3916 
3917 	if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3918 				   &frev, &crev, &data_offset)) {
3919 		vram_info = (union vram_info *)
3920 			(rdev->mode_info.atom_context->bios + data_offset);
3921 		switch (frev) {
3922 		case 1:
3923 			switch (crev) {
3924 			case 3:
3925 				DRM_ERROR("old table version %d, %d\n", frev, crev);
3926 				return -EINVAL;
3927 			case 4:
3928 				/* r7xx, evergreen */
3929 				if (module_index < vram_info->v1_4.ucNumOfVRAMModule) {
3930 					ATOM_VRAM_MODULE_V4 *vram_module =
3931 						(ATOM_VRAM_MODULE_V4 *)vram_info->v1_4.aVramInfo;
3932 					ATOM_MEMORY_TIMING_FORMAT *format;
3933 
3934 					for (i = 0; i < module_index; i++) {
3935 						if (le16_to_cpu(vram_module->usModuleSize) == 0)
3936 							return -EINVAL;
3937 						vram_module = (ATOM_VRAM_MODULE_V4 *)
3938 							((u8 *)vram_module + le16_to_cpu(vram_module->usModuleSize));
3939 					}
3940 					mclk_range_table->num_entries = (u8)
3941 						((le16_to_cpu(vram_module->usModuleSize) - offsetof(ATOM_VRAM_MODULE_V4, asMemTiming)) /
3942 						 mem_timing_size);
3943 					format = &vram_module->asMemTiming[0];
3944 					for (i = 0; i < mclk_range_table->num_entries; i++) {
3945 						mclk_range_table->mclk[i] = le32_to_cpu(format->ulClkRange);
3946 						format = (ATOM_MEMORY_TIMING_FORMAT *)
3947 							((u8 *)format + mem_timing_size);
3948 					}
3949 				} else
3950 					return -EINVAL;
3951 				break;
3952 			default:
3953 				DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3954 				return -EINVAL;
3955 			}
3956 			break;
3957 		case 2:
3958 			DRM_ERROR("new table version %d, %d\n", frev, crev);
3959 			return -EINVAL;
3960 		default:
3961 			DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
3962 			return -EINVAL;
3963 		}
3964 		return 0;
3965 	}
3966 	return -EINVAL;
3967 }
3968 
3969 #define MEM_ID_MASK           0xff000000
3970 #define MEM_ID_SHIFT          24
3971 #define CLOCK_RANGE_MASK      0x00ffffff
3972 #define CLOCK_RANGE_SHIFT     0
3973 #define LOW_NIBBLE_MASK       0xf
3974 #define DATA_EQU_PREV         0
3975 #define DATA_FROM_TABLE       4
3976 
radeon_atom_init_mc_reg_table(struct radeon_device * rdev,u8 module_index,struct atom_mc_reg_table * reg_table)3977 int radeon_atom_init_mc_reg_table(struct radeon_device *rdev,
3978 				  u8 module_index,
3979 				  struct atom_mc_reg_table *reg_table)
3980 {
3981 	int index = GetIndexIntoMasterTable(DATA, VRAM_Info);
3982 	u8 frev, crev, num_entries, t_mem_id, num_ranges = 0;
3983 	u32 i = 0, j;
3984 	u16 data_offset, size;
3985 	union vram_info *vram_info;
3986 
3987 	memset(reg_table, 0, sizeof(struct atom_mc_reg_table));
3988 
3989 	if (atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
3990 				   &frev, &crev, &data_offset)) {
3991 		vram_info = (union vram_info *)
3992 			(rdev->mode_info.atom_context->bios + data_offset);
3993 		switch (frev) {
3994 		case 1:
3995 			DRM_ERROR("old table version %d, %d\n", frev, crev);
3996 			return -EINVAL;
3997 		case 2:
3998 			switch (crev) {
3999 			case 1:
4000 				if (module_index < vram_info->v2_1.ucNumOfVRAMModule) {
4001 					ATOM_INIT_REG_BLOCK *reg_block =
4002 						(ATOM_INIT_REG_BLOCK *)
4003 						((u8 *)vram_info + le16_to_cpu(vram_info->v2_1.usMemClkPatchTblOffset));
4004 					ATOM_MEMORY_SETTING_DATA_BLOCK *reg_data =
4005 						(ATOM_MEMORY_SETTING_DATA_BLOCK *)
4006 						((u8 *)reg_block + (2 * sizeof(u16)) +
4007 						 le16_to_cpu(reg_block->usRegIndexTblSize));
4008 					ATOM_INIT_REG_INDEX_FORMAT *format = &reg_block->asRegIndexBuf[0];
4009 					num_entries = (u8)((le16_to_cpu(reg_block->usRegIndexTblSize)) /
4010 							   sizeof(ATOM_INIT_REG_INDEX_FORMAT)) - 1;
4011 					if (num_entries > VBIOS_MC_REGISTER_ARRAY_SIZE)
4012 						return -EINVAL;
4013 					while (i < num_entries) {
4014 						if (format->ucPreRegDataLength & ACCESS_PLACEHOLDER)
4015 							break;
4016 						reg_table->mc_reg_address[i].s1 =
4017 							(u16)(le16_to_cpu(format->usRegIndex));
4018 						reg_table->mc_reg_address[i].pre_reg_data =
4019 							(u8)(format->ucPreRegDataLength);
4020 						i++;
4021 						format = (ATOM_INIT_REG_INDEX_FORMAT *)
4022 							((u8 *)format + sizeof(ATOM_INIT_REG_INDEX_FORMAT));
4023 					}
4024 					reg_table->last = i;
4025 					while ((le32_to_cpu(*(u32 *)reg_data) != END_OF_REG_DATA_BLOCK) &&
4026 					       (num_ranges < VBIOS_MAX_AC_TIMING_ENTRIES)) {
4027 						t_mem_id = (u8)((le32_to_cpu(*(u32 *)reg_data) & MEM_ID_MASK)
4028 								>> MEM_ID_SHIFT);
4029 						if (module_index == t_mem_id) {
4030 							reg_table->mc_reg_table_entry[num_ranges].mclk_max =
4031 								(u32)((le32_to_cpu(*(u32 *)reg_data) & CLOCK_RANGE_MASK)
4032 								      >> CLOCK_RANGE_SHIFT);
4033 							for (i = 0, j = 1; i < reg_table->last; i++) {
4034 								if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_FROM_TABLE) {
4035 									reg_table->mc_reg_table_entry[num_ranges].mc_data[i] =
4036 										(u32)le32_to_cpu(*((u32 *)reg_data + j));
4037 									j++;
4038 								} else if ((reg_table->mc_reg_address[i].pre_reg_data & LOW_NIBBLE_MASK) == DATA_EQU_PREV) {
4039 									reg_table->mc_reg_table_entry[num_ranges].mc_data[i] =
4040 										reg_table->mc_reg_table_entry[num_ranges].mc_data[i - 1];
4041 								}
4042 							}
4043 							num_ranges++;
4044 						}
4045 						reg_data = (ATOM_MEMORY_SETTING_DATA_BLOCK *)
4046 							((u8 *)reg_data + le16_to_cpu(reg_block->usRegDataBlkSize));
4047 					}
4048 					if (le32_to_cpu(*(u32 *)reg_data) != END_OF_REG_DATA_BLOCK)
4049 						return -EINVAL;
4050 					reg_table->num_entries = num_ranges;
4051 				} else
4052 					return -EINVAL;
4053 				break;
4054 			default:
4055 				DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
4056 				return -EINVAL;
4057 			}
4058 			break;
4059 		default:
4060 			DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
4061 			return -EINVAL;
4062 		}
4063 		return 0;
4064 	}
4065 	return -EINVAL;
4066 }
4067 
radeon_atom_initialize_bios_scratch_regs(struct drm_device * dev)4068 void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev)
4069 {
4070 	struct radeon_device *rdev = dev->dev_private;
4071 	uint32_t bios_2_scratch, bios_6_scratch;
4072 
4073 	if (rdev->family >= CHIP_R600) {
4074 		bios_2_scratch = RREG32(R600_BIOS_2_SCRATCH);
4075 		bios_6_scratch = RREG32(R600_BIOS_6_SCRATCH);
4076 	} else {
4077 		bios_2_scratch = RREG32(RADEON_BIOS_2_SCRATCH);
4078 		bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
4079 	}
4080 
4081 	/* let the bios control the backlight */
4082 	bios_2_scratch &= ~ATOM_S2_VRI_BRIGHT_ENABLE;
4083 
4084 	/* tell the bios not to handle mode switching */
4085 	bios_6_scratch |= ATOM_S6_ACC_BLOCK_DISPLAY_SWITCH;
4086 
4087 	/* clear the vbios dpms state */
4088 	if (ASIC_IS_DCE4(rdev))
4089 		bios_2_scratch &= ~ATOM_S2_DEVICE_DPMS_STATE;
4090 
4091 	if (rdev->family >= CHIP_R600) {
4092 		WREG32(R600_BIOS_2_SCRATCH, bios_2_scratch);
4093 		WREG32(R600_BIOS_6_SCRATCH, bios_6_scratch);
4094 	} else {
4095 		WREG32(RADEON_BIOS_2_SCRATCH, bios_2_scratch);
4096 		WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
4097 	}
4098 
4099 }
4100 
radeon_save_bios_scratch_regs(struct radeon_device * rdev)4101 void radeon_save_bios_scratch_regs(struct radeon_device *rdev)
4102 {
4103 	uint32_t scratch_reg;
4104 	int i;
4105 
4106 	if (rdev->family >= CHIP_R600)
4107 		scratch_reg = R600_BIOS_0_SCRATCH;
4108 	else
4109 		scratch_reg = RADEON_BIOS_0_SCRATCH;
4110 
4111 	for (i = 0; i < RADEON_BIOS_NUM_SCRATCH; i++)
4112 		rdev->bios_scratch[i] = RREG32(scratch_reg + (i * 4));
4113 }
4114 
radeon_restore_bios_scratch_regs(struct radeon_device * rdev)4115 void radeon_restore_bios_scratch_regs(struct radeon_device *rdev)
4116 {
4117 	uint32_t scratch_reg;
4118 	int i;
4119 
4120 	if (rdev->family >= CHIP_R600)
4121 		scratch_reg = R600_BIOS_0_SCRATCH;
4122 	else
4123 		scratch_reg = RADEON_BIOS_0_SCRATCH;
4124 
4125 	for (i = 0; i < RADEON_BIOS_NUM_SCRATCH; i++)
4126 		WREG32(scratch_reg + (i * 4), rdev->bios_scratch[i]);
4127 }
4128 
radeon_atom_output_lock(struct drm_encoder * encoder,bool lock)4129 void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock)
4130 {
4131 	struct drm_device *dev = encoder->dev;
4132 	struct radeon_device *rdev = dev->dev_private;
4133 	uint32_t bios_6_scratch;
4134 
4135 	if (rdev->family >= CHIP_R600)
4136 		bios_6_scratch = RREG32(R600_BIOS_6_SCRATCH);
4137 	else
4138 		bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
4139 
4140 	if (lock) {
4141 		bios_6_scratch |= ATOM_S6_CRITICAL_STATE;
4142 		bios_6_scratch &= ~ATOM_S6_ACC_MODE;
4143 	} else {
4144 		bios_6_scratch &= ~ATOM_S6_CRITICAL_STATE;
4145 		bios_6_scratch |= ATOM_S6_ACC_MODE;
4146 	}
4147 
4148 	if (rdev->family >= CHIP_R600)
4149 		WREG32(R600_BIOS_6_SCRATCH, bios_6_scratch);
4150 	else
4151 		WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
4152 }
4153 
4154 /* at some point we may want to break this out into individual functions */
4155 void
radeon_atombios_connected_scratch_regs(struct drm_connector * connector,struct drm_encoder * encoder,bool connected)4156 radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
4157 				       struct drm_encoder *encoder,
4158 				       bool connected)
4159 {
4160 	struct drm_device *dev = connector->dev;
4161 	struct radeon_device *rdev = dev->dev_private;
4162 	struct radeon_connector *radeon_connector =
4163 	    to_radeon_connector(connector);
4164 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
4165 	uint32_t bios_0_scratch, bios_3_scratch, bios_6_scratch;
4166 
4167 	if (rdev->family >= CHIP_R600) {
4168 		bios_0_scratch = RREG32(R600_BIOS_0_SCRATCH);
4169 		bios_3_scratch = RREG32(R600_BIOS_3_SCRATCH);
4170 		bios_6_scratch = RREG32(R600_BIOS_6_SCRATCH);
4171 	} else {
4172 		bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
4173 		bios_3_scratch = RREG32(RADEON_BIOS_3_SCRATCH);
4174 		bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
4175 	}
4176 
4177 	if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
4178 	    (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
4179 		if (connected) {
4180 			DRM_DEBUG_KMS("TV1 connected\n");
4181 			bios_3_scratch |= ATOM_S3_TV1_ACTIVE;
4182 			bios_6_scratch |= ATOM_S6_ACC_REQ_TV1;
4183 		} else {
4184 			DRM_DEBUG_KMS("TV1 disconnected\n");
4185 			bios_0_scratch &= ~ATOM_S0_TV1_MASK;
4186 			bios_3_scratch &= ~ATOM_S3_TV1_ACTIVE;
4187 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_TV1;
4188 		}
4189 	}
4190 	if ((radeon_encoder->devices & ATOM_DEVICE_CV_SUPPORT) &&
4191 	    (radeon_connector->devices & ATOM_DEVICE_CV_SUPPORT)) {
4192 		if (connected) {
4193 			DRM_DEBUG_KMS("CV connected\n");
4194 			bios_3_scratch |= ATOM_S3_CV_ACTIVE;
4195 			bios_6_scratch |= ATOM_S6_ACC_REQ_CV;
4196 		} else {
4197 			DRM_DEBUG_KMS("CV disconnected\n");
4198 			bios_0_scratch &= ~ATOM_S0_CV_MASK;
4199 			bios_3_scratch &= ~ATOM_S3_CV_ACTIVE;
4200 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_CV;
4201 		}
4202 	}
4203 	if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
4204 	    (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
4205 		if (connected) {
4206 			DRM_DEBUG_KMS("LCD1 connected\n");
4207 			bios_0_scratch |= ATOM_S0_LCD1;
4208 			bios_3_scratch |= ATOM_S3_LCD1_ACTIVE;
4209 			bios_6_scratch |= ATOM_S6_ACC_REQ_LCD1;
4210 		} else {
4211 			DRM_DEBUG_KMS("LCD1 disconnected\n");
4212 			bios_0_scratch &= ~ATOM_S0_LCD1;
4213 			bios_3_scratch &= ~ATOM_S3_LCD1_ACTIVE;
4214 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_LCD1;
4215 		}
4216 	}
4217 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
4218 	    (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
4219 		if (connected) {
4220 			DRM_DEBUG_KMS("CRT1 connected\n");
4221 			bios_0_scratch |= ATOM_S0_CRT1_COLOR;
4222 			bios_3_scratch |= ATOM_S3_CRT1_ACTIVE;
4223 			bios_6_scratch |= ATOM_S6_ACC_REQ_CRT1;
4224 		} else {
4225 			DRM_DEBUG_KMS("CRT1 disconnected\n");
4226 			bios_0_scratch &= ~ATOM_S0_CRT1_MASK;
4227 			bios_3_scratch &= ~ATOM_S3_CRT1_ACTIVE;
4228 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_CRT1;
4229 		}
4230 	}
4231 	if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
4232 	    (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
4233 		if (connected) {
4234 			DRM_DEBUG_KMS("CRT2 connected\n");
4235 			bios_0_scratch |= ATOM_S0_CRT2_COLOR;
4236 			bios_3_scratch |= ATOM_S3_CRT2_ACTIVE;
4237 			bios_6_scratch |= ATOM_S6_ACC_REQ_CRT2;
4238 		} else {
4239 			DRM_DEBUG_KMS("CRT2 disconnected\n");
4240 			bios_0_scratch &= ~ATOM_S0_CRT2_MASK;
4241 			bios_3_scratch &= ~ATOM_S3_CRT2_ACTIVE;
4242 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_CRT2;
4243 		}
4244 	}
4245 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
4246 	    (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
4247 		if (connected) {
4248 			DRM_DEBUG_KMS("DFP1 connected\n");
4249 			bios_0_scratch |= ATOM_S0_DFP1;
4250 			bios_3_scratch |= ATOM_S3_DFP1_ACTIVE;
4251 			bios_6_scratch |= ATOM_S6_ACC_REQ_DFP1;
4252 		} else {
4253 			DRM_DEBUG_KMS("DFP1 disconnected\n");
4254 			bios_0_scratch &= ~ATOM_S0_DFP1;
4255 			bios_3_scratch &= ~ATOM_S3_DFP1_ACTIVE;
4256 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP1;
4257 		}
4258 	}
4259 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
4260 	    (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
4261 		if (connected) {
4262 			DRM_DEBUG_KMS("DFP2 connected\n");
4263 			bios_0_scratch |= ATOM_S0_DFP2;
4264 			bios_3_scratch |= ATOM_S3_DFP2_ACTIVE;
4265 			bios_6_scratch |= ATOM_S6_ACC_REQ_DFP2;
4266 		} else {
4267 			DRM_DEBUG_KMS("DFP2 disconnected\n");
4268 			bios_0_scratch &= ~ATOM_S0_DFP2;
4269 			bios_3_scratch &= ~ATOM_S3_DFP2_ACTIVE;
4270 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP2;
4271 		}
4272 	}
4273 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP3_SUPPORT) &&
4274 	    (radeon_connector->devices & ATOM_DEVICE_DFP3_SUPPORT)) {
4275 		if (connected) {
4276 			DRM_DEBUG_KMS("DFP3 connected\n");
4277 			bios_0_scratch |= ATOM_S0_DFP3;
4278 			bios_3_scratch |= ATOM_S3_DFP3_ACTIVE;
4279 			bios_6_scratch |= ATOM_S6_ACC_REQ_DFP3;
4280 		} else {
4281 			DRM_DEBUG_KMS("DFP3 disconnected\n");
4282 			bios_0_scratch &= ~ATOM_S0_DFP3;
4283 			bios_3_scratch &= ~ATOM_S3_DFP3_ACTIVE;
4284 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP3;
4285 		}
4286 	}
4287 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP4_SUPPORT) &&
4288 	    (radeon_connector->devices & ATOM_DEVICE_DFP4_SUPPORT)) {
4289 		if (connected) {
4290 			DRM_DEBUG_KMS("DFP4 connected\n");
4291 			bios_0_scratch |= ATOM_S0_DFP4;
4292 			bios_3_scratch |= ATOM_S3_DFP4_ACTIVE;
4293 			bios_6_scratch |= ATOM_S6_ACC_REQ_DFP4;
4294 		} else {
4295 			DRM_DEBUG_KMS("DFP4 disconnected\n");
4296 			bios_0_scratch &= ~ATOM_S0_DFP4;
4297 			bios_3_scratch &= ~ATOM_S3_DFP4_ACTIVE;
4298 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP4;
4299 		}
4300 	}
4301 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP5_SUPPORT) &&
4302 	    (radeon_connector->devices & ATOM_DEVICE_DFP5_SUPPORT)) {
4303 		if (connected) {
4304 			DRM_DEBUG_KMS("DFP5 connected\n");
4305 			bios_0_scratch |= ATOM_S0_DFP5;
4306 			bios_3_scratch |= ATOM_S3_DFP5_ACTIVE;
4307 			bios_6_scratch |= ATOM_S6_ACC_REQ_DFP5;
4308 		} else {
4309 			DRM_DEBUG_KMS("DFP5 disconnected\n");
4310 			bios_0_scratch &= ~ATOM_S0_DFP5;
4311 			bios_3_scratch &= ~ATOM_S3_DFP5_ACTIVE;
4312 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP5;
4313 		}
4314 	}
4315 	if ((radeon_encoder->devices & ATOM_DEVICE_DFP6_SUPPORT) &&
4316 	    (radeon_connector->devices & ATOM_DEVICE_DFP6_SUPPORT)) {
4317 		if (connected) {
4318 			DRM_DEBUG_KMS("DFP6 connected\n");
4319 			bios_0_scratch |= ATOM_S0_DFP6;
4320 			bios_3_scratch |= ATOM_S3_DFP6_ACTIVE;
4321 			bios_6_scratch |= ATOM_S6_ACC_REQ_DFP6;
4322 		} else {
4323 			DRM_DEBUG_KMS("DFP6 disconnected\n");
4324 			bios_0_scratch &= ~ATOM_S0_DFP6;
4325 			bios_3_scratch &= ~ATOM_S3_DFP6_ACTIVE;
4326 			bios_6_scratch &= ~ATOM_S6_ACC_REQ_DFP6;
4327 		}
4328 	}
4329 
4330 	if (rdev->family >= CHIP_R600) {
4331 		WREG32(R600_BIOS_0_SCRATCH, bios_0_scratch);
4332 		WREG32(R600_BIOS_3_SCRATCH, bios_3_scratch);
4333 		WREG32(R600_BIOS_6_SCRATCH, bios_6_scratch);
4334 	} else {
4335 		WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
4336 		WREG32(RADEON_BIOS_3_SCRATCH, bios_3_scratch);
4337 		WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
4338 	}
4339 }
4340 
4341 void
radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder * encoder,int crtc)4342 radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
4343 {
4344 	struct drm_device *dev = encoder->dev;
4345 	struct radeon_device *rdev = dev->dev_private;
4346 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
4347 	uint32_t bios_3_scratch;
4348 
4349 	if (ASIC_IS_DCE4(rdev))
4350 		return;
4351 
4352 	if (rdev->family >= CHIP_R600)
4353 		bios_3_scratch = RREG32(R600_BIOS_3_SCRATCH);
4354 	else
4355 		bios_3_scratch = RREG32(RADEON_BIOS_3_SCRATCH);
4356 
4357 	if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
4358 		bios_3_scratch &= ~ATOM_S3_TV1_CRTC_ACTIVE;
4359 		bios_3_scratch |= (crtc << 18);
4360 	}
4361 	if (radeon_encoder->devices & ATOM_DEVICE_CV_SUPPORT) {
4362 		bios_3_scratch &= ~ATOM_S3_CV_CRTC_ACTIVE;
4363 		bios_3_scratch |= (crtc << 24);
4364 	}
4365 	if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
4366 		bios_3_scratch &= ~ATOM_S3_CRT1_CRTC_ACTIVE;
4367 		bios_3_scratch |= (crtc << 16);
4368 	}
4369 	if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
4370 		bios_3_scratch &= ~ATOM_S3_CRT2_CRTC_ACTIVE;
4371 		bios_3_scratch |= (crtc << 20);
4372 	}
4373 	if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
4374 		bios_3_scratch &= ~ATOM_S3_LCD1_CRTC_ACTIVE;
4375 		bios_3_scratch |= (crtc << 17);
4376 	}
4377 	if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
4378 		bios_3_scratch &= ~ATOM_S3_DFP1_CRTC_ACTIVE;
4379 		bios_3_scratch |= (crtc << 19);
4380 	}
4381 	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
4382 		bios_3_scratch &= ~ATOM_S3_DFP2_CRTC_ACTIVE;
4383 		bios_3_scratch |= (crtc << 23);
4384 	}
4385 	if (radeon_encoder->devices & ATOM_DEVICE_DFP3_SUPPORT) {
4386 		bios_3_scratch &= ~ATOM_S3_DFP3_CRTC_ACTIVE;
4387 		bios_3_scratch |= (crtc << 25);
4388 	}
4389 
4390 	if (rdev->family >= CHIP_R600)
4391 		WREG32(R600_BIOS_3_SCRATCH, bios_3_scratch);
4392 	else
4393 		WREG32(RADEON_BIOS_3_SCRATCH, bios_3_scratch);
4394 }
4395 
4396 void
radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder * encoder,bool on)4397 radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
4398 {
4399 	struct drm_device *dev = encoder->dev;
4400 	struct radeon_device *rdev = dev->dev_private;
4401 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
4402 	uint32_t bios_2_scratch;
4403 
4404 	if (ASIC_IS_DCE4(rdev))
4405 		return;
4406 
4407 	if (rdev->family >= CHIP_R600)
4408 		bios_2_scratch = RREG32(R600_BIOS_2_SCRATCH);
4409 	else
4410 		bios_2_scratch = RREG32(RADEON_BIOS_2_SCRATCH);
4411 
4412 	if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
4413 		if (on)
4414 			bios_2_scratch &= ~ATOM_S2_TV1_DPMS_STATE;
4415 		else
4416 			bios_2_scratch |= ATOM_S2_TV1_DPMS_STATE;
4417 	}
4418 	if (radeon_encoder->devices & ATOM_DEVICE_CV_SUPPORT) {
4419 		if (on)
4420 			bios_2_scratch &= ~ATOM_S2_CV_DPMS_STATE;
4421 		else
4422 			bios_2_scratch |= ATOM_S2_CV_DPMS_STATE;
4423 	}
4424 	if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
4425 		if (on)
4426 			bios_2_scratch &= ~ATOM_S2_CRT1_DPMS_STATE;
4427 		else
4428 			bios_2_scratch |= ATOM_S2_CRT1_DPMS_STATE;
4429 	}
4430 	if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
4431 		if (on)
4432 			bios_2_scratch &= ~ATOM_S2_CRT2_DPMS_STATE;
4433 		else
4434 			bios_2_scratch |= ATOM_S2_CRT2_DPMS_STATE;
4435 	}
4436 	if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
4437 		if (on)
4438 			bios_2_scratch &= ~ATOM_S2_LCD1_DPMS_STATE;
4439 		else
4440 			bios_2_scratch |= ATOM_S2_LCD1_DPMS_STATE;
4441 	}
4442 	if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
4443 		if (on)
4444 			bios_2_scratch &= ~ATOM_S2_DFP1_DPMS_STATE;
4445 		else
4446 			bios_2_scratch |= ATOM_S2_DFP1_DPMS_STATE;
4447 	}
4448 	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
4449 		if (on)
4450 			bios_2_scratch &= ~ATOM_S2_DFP2_DPMS_STATE;
4451 		else
4452 			bios_2_scratch |= ATOM_S2_DFP2_DPMS_STATE;
4453 	}
4454 	if (radeon_encoder->devices & ATOM_DEVICE_DFP3_SUPPORT) {
4455 		if (on)
4456 			bios_2_scratch &= ~ATOM_S2_DFP3_DPMS_STATE;
4457 		else
4458 			bios_2_scratch |= ATOM_S2_DFP3_DPMS_STATE;
4459 	}
4460 	if (radeon_encoder->devices & ATOM_DEVICE_DFP4_SUPPORT) {
4461 		if (on)
4462 			bios_2_scratch &= ~ATOM_S2_DFP4_DPMS_STATE;
4463 		else
4464 			bios_2_scratch |= ATOM_S2_DFP4_DPMS_STATE;
4465 	}
4466 	if (radeon_encoder->devices & ATOM_DEVICE_DFP5_SUPPORT) {
4467 		if (on)
4468 			bios_2_scratch &= ~ATOM_S2_DFP5_DPMS_STATE;
4469 		else
4470 			bios_2_scratch |= ATOM_S2_DFP5_DPMS_STATE;
4471 	}
4472 
4473 	if (rdev->family >= CHIP_R600)
4474 		WREG32(R600_BIOS_2_SCRATCH, bios_2_scratch);
4475 	else
4476 		WREG32(RADEON_BIOS_2_SCRATCH, bios_2_scratch);
4477 }
4478