xref: /haiku/headers/private/graphics/intel_extreme/intel_extreme.h (revision 364d52c513a164097dc94c00f2d44c18bde5f729)
1 /*
2  * Copyright 2006-2016, Haiku, Inc. All Rights Reserved.
3  * Distributed under the terms of the MIT License.
4  *
5  * Authors:
6  *		Axel Dörfler, axeld@pinc-software.de
7  *		Alexander von Gluck, kallisti5@unixzen.com
8  */
9 #ifndef INTEL_EXTREME_H
10 #define INTEL_EXTREME_H
11 
12 
13 #include "lock.h"
14 
15 #include <Accelerant.h>
16 #include <Drivers.h>
17 #include <PCI.h>
18 
19 #include <edid.h>
20 
21 
22 #define VENDOR_ID_INTEL			0x8086
23 
24 #define INTEL_FAMILY_MASK	0x00ff0000
25 #define INTEL_GROUP_MASK	0x00fffff0
26 #define INTEL_MODEL_MASK	0x00ffffff
27 #define INTEL_TYPE_MASK		0x0000000f
28 
29 // families
30 #define INTEL_FAMILY_8xx	0x00020000	// Second Gen
31 #define INTEL_FAMILY_9xx	0x00040000	// Third Gen +
32 #define INTEL_FAMILY_SER5	0x00080000	// Intel5 Series
33 #define INTEL_FAMILY_SOC0	0x00200000  // Atom SOC
34 #define INTEL_FAMILY_LAKE	0x00400000	// Intel Lakes
35 
36 // groups
37 #define INTEL_GROUP_83x		(INTEL_FAMILY_8xx  | 0x0010)
38 #define INTEL_GROUP_85x		(INTEL_FAMILY_8xx  | 0x0020)
39 #define INTEL_GROUP_91x		(INTEL_FAMILY_9xx  | 0x0010)
40 #define INTEL_GROUP_94x		(INTEL_FAMILY_9xx  | 0x0020)
41 #define INTEL_GROUP_96x		(INTEL_FAMILY_9xx  | 0x0040)
42 #define INTEL_GROUP_Gxx		(INTEL_FAMILY_9xx  | 0x0080)
43 #define INTEL_GROUP_G4x		(INTEL_FAMILY_9xx  | 0x0100)
44 #define INTEL_GROUP_PIN		(INTEL_FAMILY_9xx  | 0x0200)  // PineView
45 #define INTEL_GROUP_ILK		(INTEL_FAMILY_SER5 | 0x0010)  // IronLake
46 #define INTEL_GROUP_SNB		(INTEL_FAMILY_SER5 | 0x0020)  // SandyBridge
47 #define INTEL_GROUP_IVB		(INTEL_FAMILY_SER5 | 0x0040)  // IvyBridge
48 #define INTEL_GROUP_HAS		(INTEL_FAMILY_SER5 | 0x0080)  // Haswell
49 #define INTEL_GROUP_VLV		(INTEL_FAMILY_SOC0 | 0x0010)  // ValleyView
50 #define INTEL_GROUP_CHV		(INTEL_FAMILY_SOC0 | 0x0020)  // CherryView
51 #define INTEL_GROUP_BDW		(INTEL_FAMILY_SOC0 | 0x0040)  // Broadwell
52 #define INTEL_GROUP_SKY		(INTEL_FAMILY_LAKE | 0x0010)  // SkyLake
53 #define INTEL_GROUP_KBY		(INTEL_FAMILY_LAKE | 0x0020)  // KabyLake
54 #define INTEL_GROUP_CFL		(INTEL_FAMILY_LAKE | 0x0040)  // CoffeeLake
55 #define INTEL_GROUP_CML		(INTEL_FAMILY_LAKE | 0x0080)  // CometLake
56 #define INTEL_GROUP_JSL		(INTEL_FAMILY_LAKE | 0x0100)  // JasperLake
57 #define INTEL_GROUP_TGL		(INTEL_FAMILY_LAKE | 0x0200)  // TigerLake
58 // models
59 #define INTEL_TYPE_SERVER	0x0004
60 #define INTEL_TYPE_MOBILE	0x0008
61 #define INTEL_MODEL_915		(INTEL_GROUP_91x)
62 #define INTEL_MODEL_915M	(INTEL_GROUP_91x | INTEL_TYPE_MOBILE)
63 #define INTEL_MODEL_945		(INTEL_GROUP_94x)
64 #define INTEL_MODEL_945M	(INTEL_GROUP_94x | INTEL_TYPE_MOBILE)
65 #define INTEL_MODEL_965		(INTEL_GROUP_96x)
66 #define INTEL_MODEL_965M	(INTEL_GROUP_96x | INTEL_TYPE_MOBILE)
67 #define INTEL_MODEL_G33		(INTEL_GROUP_Gxx)
68 #define INTEL_MODEL_G45		(INTEL_GROUP_G4x)
69 #define INTEL_MODEL_GM45	(INTEL_GROUP_G4x | INTEL_TYPE_MOBILE)
70 #define INTEL_MODEL_PINE	(INTEL_GROUP_PIN)
71 #define INTEL_MODEL_PINEM	(INTEL_GROUP_PIN | INTEL_TYPE_MOBILE)
72 #define INTEL_MODEL_ILKG	(INTEL_GROUP_ILK)
73 #define INTEL_MODEL_ILKGM	(INTEL_GROUP_ILK | INTEL_TYPE_MOBILE)
74 #define INTEL_MODEL_SNBG	(INTEL_GROUP_SNB)
75 #define INTEL_MODEL_SNBGM	(INTEL_GROUP_SNB | INTEL_TYPE_MOBILE)
76 #define INTEL_MODEL_SNBGS	(INTEL_GROUP_SNB | INTEL_TYPE_SERVER)
77 #define INTEL_MODEL_IVBG	(INTEL_GROUP_IVB)
78 #define INTEL_MODEL_IVBGM	(INTEL_GROUP_IVB | INTEL_TYPE_MOBILE)
79 #define INTEL_MODEL_IVBGS	(INTEL_GROUP_IVB | INTEL_TYPE_SERVER)
80 #define INTEL_MODEL_HAS		(INTEL_GROUP_HAS)
81 #define INTEL_MODEL_HASM	(INTEL_GROUP_HAS | INTEL_TYPE_MOBILE)
82 #define INTEL_MODEL_VLV		(INTEL_GROUP_VLV)
83 #define INTEL_MODEL_VLVM	(INTEL_GROUP_VLV | INTEL_TYPE_MOBILE)
84 #define INTEL_MODEL_BDW		(INTEL_GROUP_BDW)
85 #define INTEL_MODEL_BDWM	(INTEL_GROUP_BDW | INTEL_TYPE_MOBILE)
86 #define INTEL_MODEL_BDWS	(INTEL_GROUP_BDW | INTEL_TYPE_SERVER)
87 #define INTEL_MODEL_SKY		(INTEL_GROUP_SKY)
88 #define INTEL_MODEL_SKYM	(INTEL_GROUP_SKY | INTEL_TYPE_MOBILE)
89 #define INTEL_MODEL_SKYS	(INTEL_GROUP_SKY | INTEL_TYPE_SERVER)
90 #define INTEL_MODEL_KBY		(INTEL_GROUP_KBY)
91 #define INTEL_MODEL_KBYM	(INTEL_GROUP_KBY | INTEL_TYPE_MOBILE)
92 #define INTEL_MODEL_CFL		(INTEL_GROUP_CFL)
93 #define INTEL_MODEL_CFLM	(INTEL_GROUP_CFL | INTEL_TYPE_MOBILE)
94 #define INTEL_MODEL_CML		(INTEL_GROUP_CML)
95 #define INTEL_MODEL_CMLM	(INTEL_GROUP_CML | INTEL_TYPE_MOBILE)
96 #define INTEL_MODEL_JSL		(INTEL_GROUP_JSL)
97 #define INTEL_MODEL_JSLM	(INTEL_GROUP_JSL | INTEL_TYPE_MOBILE)
98 #define INTEL_MODEL_TGLM	(INTEL_GROUP_TGL | INTEL_TYPE_MOBILE)
99 
100 #define INTEL_PCH_DEVICE_ID_MASK	0xff80
101 #define INTEL_PCH_IBX_DEVICE_ID		0x3b00
102 #define INTEL_PCH_CPT_DEVICE_ID		0x1c00
103 #define INTEL_PCH_PPT_DEVICE_ID		0x1e00
104 #define INTEL_PCH_LPT_DEVICE_ID		0x8c00
105 #define INTEL_PCH_LPT_LP_DEVICE_ID	0x9c00
106 #define INTEL_PCH_WPT_DEVICE_ID		0x8c80
107 #define INTEL_PCH_WPT_LP_DEVICE_ID	0x9c80
108 #define INTEL_PCH_SPT_DEVICE_ID		0xa100
109 #define INTEL_PCH_SPT_LP_DEVICE_ID	0x9d00
110 #define INTEL_PCH_KBP_DEVICE_ID		0xa280
111 #define INTEL_PCH_CNP_DEVICE_ID		0xa300
112 #define INTEL_PCH_CNP_LP_DEVICE_ID	0x9d80
113 #define INTEL_PCH_CMP_DEVICE_ID		0x0280
114 #define INTEL_PCH_CMP2_DEVICE_ID	0x0680
115 #define INTEL_PCH_CMP_V_DEVICE_ID	0xa380
116 #define INTEL_PCH_ICP_DEVICE_ID		0x3480
117 #define INTEL_PCH_ICP2_DEVICE_ID	0x3880
118 #define INTEL_PCH_MCC_DEVICE_ID		0x4b00
119 #define INTEL_PCH_TGP_DEVICE_ID		0xa080
120 #define INTEL_PCH_TGP2_DEVICE_ID	0x4380
121 #define INTEL_PCH_JSP_DEVICE_ID		0x4d80
122 #define INTEL_PCH_ADP_DEVICE_ID		0x7a80
123 #define INTEL_PCH_ADP2_DEVICE_ID	0x5180
124 #define INTEL_PCH_ADP3_DEVICE_ID	0x7a00
125 #define INTEL_PCH_ADP4_DEVICE_ID	0x5480
126 #define INTEL_PCH_P2X_DEVICE_ID		0x7100
127 #define INTEL_PCH_P3X_DEVICE_ID		0x7000
128 
129 // ValleyView MMIO offset
130 #define VLV_DISPLAY_BASE		0x180000
131 
132 #define DEVICE_NAME				"intel_extreme"
133 #define INTEL_ACCELERANT_NAME	"intel_extreme.accelerant"
134 
135 // We encode the register block into the value and extract/translate it when
136 // actually accessing.
137 #define REGISTER_BLOCK_COUNT				6
138 #define REGISTER_BLOCK_SHIFT				24
139 #define REGISTER_BLOCK_MASK					0xff000000
140 #define REGISTER_REGISTER_MASK				0x00ffffff
141 #define REGISTER_BLOCK(x) ((x & REGISTER_BLOCK_MASK) >> REGISTER_BLOCK_SHIFT)
142 #define REGISTER_REGISTER(x) (x & REGISTER_REGISTER_MASK)
143 
144 #define REGS_FLAT							(0 << REGISTER_BLOCK_SHIFT)
145 #define REGS_NORTH_SHARED					(1 << REGISTER_BLOCK_SHIFT)
146 #define REGS_NORTH_PIPE_AND_PORT			(2 << REGISTER_BLOCK_SHIFT)
147 #define REGS_NORTH_PLANE_CONTROL			(3 << REGISTER_BLOCK_SHIFT)
148 #define REGS_SOUTH_SHARED					(4 << REGISTER_BLOCK_SHIFT)
149 #define REGS_SOUTH_TRANSCODER_PORT			(5 << REGISTER_BLOCK_SHIFT)
150 
151 // register blocks for (G)MCH/ICH based platforms
152 #define MCH_SHARED_REGISTER_BASE						0x00000
153 #define MCH_PIPE_AND_PORT_REGISTER_BASE					0x60000
154 #define MCH_PLANE_CONTROL_REGISTER_BASE					0x70000
155 
156 #define ICH_SHARED_REGISTER_BASE						0x00000
157 #define ICH_PORT_REGISTER_BASE							0x60000
158 
159 // PCH - Platform Control Hub - Some hardware moves from a MCH/ICH based
160 // setup to a PCH based one, that means anything that used to communicate via
161 // (G)MCH registers needs to use different ones on PCH based platforms
162 // (Ironlake, SandyBridge, IvyBridge, Some Haswell).
163 #define PCH_NORTH_SHARED_REGISTER_BASE					0x40000
164 #define PCH_NORTH_PIPE_AND_PORT_REGISTER_BASE			0x60000
165 #define PCH_NORTH_PLANE_CONTROL_REGISTER_BASE			0x70000
166 #define PCH_SOUTH_SHARED_REGISTER_BASE					0xc0000
167 #define PCH_SOUTH_TRANSCODER_AND_PORT_REGISTER_BASE		0xe0000
168 
169 
170 struct DeviceType {
171 	uint32			type;
172 
173 	DeviceType(int t)
174 	{
175 		type = t;
176 	}
177 
178 	DeviceType& operator=(int t)
179 	{
180 		type = t;
181 		return *this;
182 	}
183 
184 	bool InFamily(uint32 family) const
185 	{
186 		return (type & INTEL_FAMILY_MASK) == family;
187 	}
188 
189 	bool InGroup(uint32 group) const
190 	{
191 		return (type & INTEL_GROUP_MASK) == group;
192 	}
193 
194 	bool IsModel(uint32 model) const
195 	{
196 		return (type & INTEL_MODEL_MASK) == model;
197 	}
198 
199 	bool IsMobile() const
200 	{
201 		return (type & INTEL_TYPE_MASK) == INTEL_TYPE_MOBILE;
202 	}
203 
204 	bool SupportsHDMI() const
205 	{
206 		return InGroup(INTEL_GROUP_G4x) || InFamily(INTEL_FAMILY_SER5)
207 			|| InFamily(INTEL_FAMILY_SOC0);
208 	}
209 
210 	bool HasDDI() const
211 	{
212 		// Intel Digital Display Interface
213 		return InGroup(INTEL_GROUP_HAS) || (Generation() >= 8);
214 	}
215 
216 	int Generation() const
217 	{
218 		if (InFamily(INTEL_FAMILY_8xx))
219 			return 2;
220 		if (InGroup(INTEL_GROUP_91x) || InGroup(INTEL_GROUP_94x)
221 				|| IsModel(INTEL_MODEL_G33) || InGroup(INTEL_GROUP_PIN))
222 			return 3;
223 		if (InFamily(INTEL_FAMILY_9xx))
224 			return 4;
225 		if (InGroup(INTEL_GROUP_ILK))
226 			return 5;
227 		if (InGroup(INTEL_GROUP_SNB))
228 			return 6;
229 		if (InFamily(INTEL_FAMILY_SER5) || InGroup(INTEL_GROUP_VLV))
230 			return 7;
231 		if (InGroup(INTEL_GROUP_CHV) || InGroup(INTEL_GROUP_BDW))
232 			return 8;
233 		if (InGroup(INTEL_GROUP_JSL))
234 			return 11;
235 		if (InGroup(INTEL_GROUP_TGL))
236 			return 12;
237 		if (InFamily(INTEL_FAMILY_LAKE))
238 			return 9;
239 
240 		// Generation 0 means something is wrong :-)
241 		return 0;
242 	}
243 };
244 
245 enum port_index {
246 	INTEL_PORT_ANY,				// wildcard for lookup functions
247 	INTEL_PORT_A,
248 	INTEL_PORT_B,
249 	INTEL_PORT_C,
250 	INTEL_PORT_D,
251 	INTEL_PORT_E,
252 	INTEL_PORT_F
253 };
254 
255 enum pch_info {
256 	INTEL_PCH_NONE = 0,		// No PCH present
257 	INTEL_PCH_IBX,			// Ibexpeak
258 	INTEL_PCH_CPT,			// Cougarpoint
259 	INTEL_PCH_LPT,			// Lynxpoint
260 	INTEL_PCH_SPT,			// SunrisePoint
261 	INTEL_PCH_CNP,			// CannonLake
262 	INTEL_PCH_ICP,			// IceLake
263 	INTEL_PCH_JSP,			// JasperLake
264 	INTEL_PCH_MCC,			// Mule Creek Canyon
265 	INTEL_PCH_TGP,			// TigerLake
266 	INTEL_PCH_ADP,			// AlderLake
267 	INTEL_PCH_NOP
268 };
269 
270 // info about PLL on graphics card
271 struct pll_info {
272 	uint32			reference_frequency;
273 	uint32			max_frequency;
274 	uint32			min_frequency;
275 	uint32			divisor_register;
276 };
277 
278 struct ring_buffer {
279 	struct lock		lock;
280 	uint32			register_base;
281 	uint32			offset;
282 	uint32			size;
283 	uint32			position;
284 	uint32			space_left;
285 	uint8*			base;
286 };
287 
288 struct overlay_registers;
289 
290 struct intel_shared_info {
291 	area_id			mode_list_area;		// area containing display mode list
292 	uint32			mode_count;
293 
294 	display_mode	current_mode;		// pretty much a hack until per-display modes
295 	display_timing	panel_timing;		// Hardware timings of the LVDS panel, extracted from BIOS
296 	uint32			bytes_per_row;
297 	uint32			bits_per_pixel;
298 	uint32			dpms_mode;
299 	uint16			min_brightness;
300 
301 	area_id			registers_area;		// area of memory mapped registers
302 	uint32			register_blocks[REGISTER_BLOCK_COUNT];
303 
304 	uint8*			status_page;
305 	phys_addr_t		physical_status_page;
306 	uint8*			graphics_memory;
307 	phys_addr_t		physical_graphics_memory;
308 	uint32			graphics_memory_size;
309 
310 	addr_t			frame_buffer;
311 	uint32			frame_buffer_offset;
312 
313 	uint32			fdi_link_frequency;	// In Mhz
314 
315 	bool			got_vbt;
316 	bool			single_head_locked;
317 
318 	struct lock		accelerant_lock;
319 	struct lock		engine_lock;
320 
321 	ring_buffer		primary_ring_buffer;
322 
323 	int32			overlay_channel_used;
324 	bool			overlay_active;
325 	uintptr_t		overlay_token;
326 	phys_addr_t		physical_overlay_registers;
327 	uint32			overlay_offset;
328 
329 	bool			hardware_cursor_enabled;
330 	sem_id			vblank_sem;
331 
332 	uint8*			cursor_memory;
333 	phys_addr_t		physical_cursor_memory;
334 	uint32			cursor_buffer_offset;
335 	uint32			cursor_format;
336 	bool			cursor_visible;
337 	uint16			cursor_hot_x;
338 	uint16			cursor_hot_y;
339 
340 	DeviceType		device_type;
341 	char			device_identifier[32];
342 	struct pll_info	pll_info;
343 
344 	enum pch_info	pch_info;
345 
346 	edid1_info		vesa_edid_info;
347 	bool			has_vesa_edid_info;
348 };
349 
350 enum pipe_index {
351     INTEL_PIPE_ANY,
352     INTEL_PIPE_A,
353     INTEL_PIPE_B,
354     INTEL_PIPE_C,
355     INTEL_PIPE_D
356 };
357 
358 class pipes {
359 public:
360 	pipes() : bitmask(0) {}
361 
362 	bool HasPipe(pipe_index pipe)
363 	{
364 		if (pipe == INTEL_PIPE_ANY)
365 			return bitmask != 0;
366 
367 		return (bitmask & (1 << pipe)) != 0;
368 	}
369 
370 	void SetPipe(pipe_index pipe)
371 	{
372 		if (pipe == INTEL_PIPE_ANY) {
373 			bitmask = ~1;
374 				// first bit corresponds to INTEL_PIPE_ANY but it's never used,
375 				// so it should be 0
376 		}
377 		bitmask |= (1 << pipe);
378 	}
379 
380 	void ClearPipe(pipe_index pipe)
381 	{
382 		if (pipe == INTEL_PIPE_ANY)
383 			bitmask = 0;
384 
385 		bitmask &= ~(1 << pipe);
386 	}
387 
388 private:
389 	uint8 bitmask;
390 };
391 
392 //----------------- ioctl() interface ----------------
393 
394 // magic code for ioctls
395 #define INTEL_PRIVATE_DATA_MAGIC		'itic'
396 
397 // list ioctls
398 enum {
399 	INTEL_GET_PRIVATE_DATA = B_DEVICE_OP_CODES_END + 1,
400 
401 	INTEL_GET_DEVICE_NAME,
402 	INTEL_ALLOCATE_GRAPHICS_MEMORY,
403 	INTEL_FREE_GRAPHICS_MEMORY,
404 	INTEL_GET_BRIGHTNESS_LEGACY,
405 	INTEL_SET_BRIGHTNESS_LEGACY
406 };
407 
408 // retrieve the area_id of the kernel/accelerant shared info
409 struct intel_get_private_data {
410 	uint32	magic;				// magic number
411 	area_id	shared_info_area;
412 };
413 
414 // allocate graphics memory
415 struct intel_allocate_graphics_memory {
416 	uint32	magic;
417 	uint32	size;
418 	uint32	alignment;
419 	uint32	flags;
420 	addr_t	buffer_base;
421 };
422 
423 // free graphics memory
424 struct intel_free_graphics_memory {
425 	uint32 	magic;
426 	addr_t	buffer_base;
427 };
428 
429 // brightness legacy
430 struct intel_brightness_legacy {
431 	uint32 	magic;
432 	uint8	lpc;
433 };
434 
435 //----------------------------------------------------------
436 // Register definitions, taken from X driver
437 
438 // PCI bridge memory management
439 #define INTEL_GRAPHICS_MEMORY_CONTROL	0x52		// i830+
440 
441 	// GGC - (G)MCH Graphics Control Register
442 #define MEMORY_CONTROL_ENABLED			0x0004
443 #define MEMORY_MASK						0x0001
444 #define STOLEN_MEMORY_MASK				0x00f0
445 #define i965_GTT_MASK					0x000e
446 #define G33_GTT_MASK					0x0300
447 #define G4X_GTT_MASK					0x0f00	// GGMS (GSM Memory Size) mask
448 
449 // models i830 and up
450 #define i830_LOCAL_MEMORY_ONLY			0x10
451 #define i830_STOLEN_512K				0x20
452 #define i830_STOLEN_1M					0x30
453 #define i830_STOLEN_8M					0x40
454 #define i830_FRAME_BUFFER_64M			0x01
455 #define i830_FRAME_BUFFER_128M			0x00
456 
457 // models i855 and up
458 #define i855_STOLEN_MEMORY_1M			0x10
459 #define i855_STOLEN_MEMORY_4M			0x20
460 #define i855_STOLEN_MEMORY_8M			0x30
461 #define i855_STOLEN_MEMORY_16M			0x40
462 #define i855_STOLEN_MEMORY_32M			0x50
463 #define i855_STOLEN_MEMORY_48M			0x60
464 #define i855_STOLEN_MEMORY_64M			0x70
465 #define i855_STOLEN_MEMORY_128M			0x80
466 #define i855_STOLEN_MEMORY_256M			0x90
467 
468 #define G4X_STOLEN_MEMORY_96MB			0xa0	// GMS - Graphics Mode Select
469 #define G4X_STOLEN_MEMORY_160MB			0xb0
470 #define G4X_STOLEN_MEMORY_224MB			0xc0
471 #define G4X_STOLEN_MEMORY_352MB			0xd0
472 
473 // SandyBridge (SNB)
474 
475 #define SNB_GRAPHICS_MEMORY_CONTROL		0x50
476 
477 #define SNB_STOLEN_MEMORY_MASK			0xf8
478 #define SNB_STOLEN_MEMORY_32MB			(1 << 3)
479 #define SNB_STOLEN_MEMORY_64MB			(2 << 3)
480 #define SNB_STOLEN_MEMORY_96MB			(3 << 3)
481 #define SNB_STOLEN_MEMORY_128MB			(4 << 3)
482 #define SNB_STOLEN_MEMORY_160MB			(5 << 3)
483 #define SNB_STOLEN_MEMORY_192MB			(6 << 3)
484 #define SNB_STOLEN_MEMORY_224MB			(7 << 3)
485 #define SNB_STOLEN_MEMORY_256MB			(8 << 3)
486 #define SNB_STOLEN_MEMORY_288MB			(9 << 3)
487 #define SNB_STOLEN_MEMORY_320MB			(10 << 3)
488 #define SNB_STOLEN_MEMORY_352MB			(11 << 3)
489 #define SNB_STOLEN_MEMORY_384MB			(12 << 3)
490 #define SNB_STOLEN_MEMORY_416MB			(13 << 3)
491 #define SNB_STOLEN_MEMORY_448MB			(14 << 3)
492 #define SNB_STOLEN_MEMORY_480MB			(15 << 3)
493 #define SNB_STOLEN_MEMORY_512MB			(16 << 3)
494 
495 #define SNB_GTT_SIZE_MASK				(3 << 8)
496 #define SNB_GTT_SIZE_NONE				(0 << 8)
497 #define SNB_GTT_SIZE_1MB				(1 << 8)
498 #define SNB_GTT_SIZE_2MB				(2 << 8)
499 
500 // BDW+ (GGC_0_0_0_PCI)
501 
502 #define BDW_GRAPHICS_MEMORY_CONTROL		0x50
503 
504 #define BDW_STOLEN_MEMORY_MASK			0xff00
505 #define BDW_STOLEN_MEMORY_32MB			(1 << 8)
506 #define BDW_STOLEN_MEMORY_64MB			(2 << 8)
507 #define BDW_STOLEN_MEMORY_96MB			(3 << 8)
508 #define BDW_STOLEN_MEMORY_128MB			(4 << 8)
509 #define BDW_STOLEN_MEMORY_160MB			(5 << 8)
510 #define BDW_STOLEN_MEMORY_192MB			(6 << 8)
511 #define BDW_STOLEN_MEMORY_224MB			(7 << 8)
512 #define BDW_STOLEN_MEMORY_256MB			(8 << 8)
513 #define BDW_STOLEN_MEMORY_288MB			(9 << 8)
514 #define BDW_STOLEN_MEMORY_320MB			(10 << 8)
515 #define BDW_STOLEN_MEMORY_352MB			(11 << 8)
516 #define BDW_STOLEN_MEMORY_384MB			(12 << 8)
517 #define BDW_STOLEN_MEMORY_416MB			(13 << 8)
518 #define BDW_STOLEN_MEMORY_448MB			(14 << 8)
519 #define BDW_STOLEN_MEMORY_480MB			(15 << 8)
520 #define BDW_STOLEN_MEMORY_512MB			(16 << 8)
521 #define BDW_STOLEN_MEMORY_1024MB		(32 << 8)
522 #define BDW_STOLEN_MEMORY_1536MB		(48 << 8)
523 #define BDW_STOLEN_MEMORY_2016MB		(63 << 8)
524 #define SKL_STOLEN_MEMORY_2048MB		(64 << 8)
525 #define SKL_STOLEN_MEMORY_4MB			(240 << 8)
526 #define SKL_STOLEN_MEMORY_8MB			(241 << 8)
527 #define SKL_STOLEN_MEMORY_12MB			(242 << 8)
528 #define SKL_STOLEN_MEMORY_16MB			(243 << 8)
529 #define SKL_STOLEN_MEMORY_20MB			(244 << 8)
530 #define SKL_STOLEN_MEMORY_24MB			(245 << 8)
531 #define SKL_STOLEN_MEMORY_28MB			(246 << 8)
532 #define SKL_STOLEN_MEMORY_32MB			(247 << 8)
533 #define SKL_STOLEN_MEMORY_36MB			(248 << 8)
534 #define SKL_STOLEN_MEMORY_40MB			(249 << 8)
535 #define SKL_STOLEN_MEMORY_44MB			(250 << 8)
536 #define SKL_STOLEN_MEMORY_48MB			(251 << 8)
537 #define SKL_STOLEN_MEMORY_52MB			(252 << 8)
538 #define SKL_STOLEN_MEMORY_56MB			(253 << 8)
539 #define SKL_STOLEN_MEMORY_60MB			(254 << 8)
540 
541 
542 #define BDW_GTT_SIZE_MASK				(3 << 6)
543 #define BDW_GTT_SIZE_NONE				(0 << 6)
544 #define BDW_GTT_SIZE_2MB				(1 << 6)
545 #define BDW_GTT_SIZE_4MB				(2 << 6)
546 #define BDW_GTT_SIZE_8MB				(3 << 6)
547 
548 // Gen2, i915GM, i945GM
549 #define LEGACY_BACKLIGHT_BRIGHTNESS		0xf4
550 
551 // graphics page translation table
552 #define INTEL_PAGE_TABLE_CONTROL		0x02020
553 #define PAGE_TABLE_ENABLED				0x00000001
554 #define INTEL_PAGE_TABLE_ERROR			0x02024
555 #define INTEL_HARDWARE_STATUS_PAGE		0x02080
556 #define i915_GTT_BASE					0x1c
557 #define i830_GTT_BASE					0x10000	// (- 0x2ffff)
558 #define i830_GTT_SIZE					0x20000
559 #define i965_GTT_BASE					0x80000	// (- 0xfffff)
560 #define i965_GTT_SIZE					0x80000
561 #define i965_GTT_128K					(2 << 1)
562 #define i965_GTT_256K					(1 << 1)
563 #define i965_GTT_512K					(0 << 1)
564 #define G33_GTT_1M						(1 << 8)
565 #define G33_GTT_2M						(2 << 8)
566 #define G4X_GTT_NONE					0x000	// GGMS - GSM Memory Size
567 #define G4X_GTT_1M_NO_IVT				0x100	// no Intel Virtualization Tech.
568 #define G4X_GTT_2M_NO_IVT				0x300
569 #define G4X_GTT_2M_IVT					0x900	// with Intel Virt. Tech.
570 #define G4X_GTT_3M_IVT					0xa00
571 #define G4X_GTT_4M_IVT					0xb00
572 
573 
574 #define GTT_ENTRY_VALID					0x01
575 #define GTT_ENTRY_LOCAL_MEMORY			0x02
576 #define GTT_PAGE_SHIFT					12
577 
578 
579 // ring buffer
580 #define INTEL_PRIMARY_RING_BUFFER		0x02030
581 #define INTEL_SECONDARY_RING_BUFFER_0	0x02100
582 #define INTEL_SECONDARY_RING_BUFFER_1	0x02110
583 // offsets for the ring buffer base registers above
584 #define RING_BUFFER_TAIL				0x0
585 #define RING_BUFFER_HEAD				0x4
586 #define RING_BUFFER_START				0x8
587 #define RING_BUFFER_CONTROL				0xc
588 #define INTEL_RING_BUFFER_SIZE_MASK		0x001ff000
589 #define INTEL_RING_BUFFER_HEAD_MASK		0x001ffffc
590 #define INTEL_RING_BUFFER_ENABLED		1
591 
592 // interrupts
593 #define INTEL_INTERRUPT_ENABLED			0x020a0
594 #define INTEL_INTERRUPT_IDENTITY		0x020a4
595 #define INTEL_INTERRUPT_MASK			0x020a8
596 #define INTEL_INTERRUPT_STATUS			0x020ac
597 #define INTERRUPT_VBLANK_PIPEA			(1 << 7)
598 #define INTERRUPT_VBLANK_PIPEB			(1 << 5)
599 
600 // PCH interrupts
601 #define PCH_INTERRUPT_STATUS			0x44000
602 #define PCH_INTERRUPT_MASK				0x44004
603 #define PCH_INTERRUPT_IDENTITY			0x44008
604 #define PCH_INTERRUPT_ENABLED			0x4400c
605 
606 #define PCH_INTERRUPT_VBLANK_PIPEA		(1 << 0)
607 #define PCH_INTERRUPT_VBLANK_PIPEB		(1 << 5)
608 #define PCH_INTERRUPT_VBLANK_PIPEC		(1 << 10)
609 
610 // SandyBridge had only two pipes, and things were shuffled aroud again with
611 // the introduction of pipe C.
612 #define PCH_INTERRUPT_VBLANK_PIPEA_SNB		(1 << 7)
613 #define PCH_INTERRUPT_VBLANK_PIPEB_SNB		(1 << 15)
614 #define PCH_INTERRUPT_GLOBAL_SNB			(1 << 31)
615 
616 #define PCH_MASTER_INT_CTL_BDW					0x44200
617 
618 #define PCH_MASTER_INT_CTL_PIPE_PENDING_BDW(pipe)	(1 << (15 + pipe))
619 #define GEN8_DE_PORT_IRQ						(1 << 20)
620 #define PCH_MASTER_INT_CTL_GLOBAL_BDW			(1 << 31)
621 
622 #define PCH_INTERRUPT_PIPE_STATUS_BDW(pipe)		(0x44400 + (pipe - 1) * 0x10)	// GEN8_DE_PIPE_ISR
623 #define PCH_INTERRUPT_PIPE_MASK_BDW(pipe)		(0x44404 + (pipe - 1) * 0x10)	// GEN8_DE_PIPE_IMR
624 #define PCH_INTERRUPT_PIPE_IDENTITY_BDW(pipe)	(0x44408 + (pipe - 1) * 0x10)	// GEN8_DE_PIPE_IIR
625 #define PCH_INTERRUPT_PIPE_ENABLED_BDW(pipe)	(0x4440c + (pipe - 1) * 0x10)	// GEN8_DE_PIPE_IER
626 
627 #define GEN8_DE_PORT_ISR						0x44440
628 #define GEN8_DE_PORT_IMR						0x44444
629 #define GEN8_DE_PORT_IIR						0x44448
630 #define GEN8_DE_PORT_IER						0x4444c
631 #define		GEN8_AUX_CHANNEL_A					(1 << 0)
632 #define		GEN9_AUX_CHANNEL_B					(1 << 25)
633 #define		GEN9_AUX_CHANNEL_C					(1 << 26)
634 #define		GEN9_AUX_CHANNEL_D					(1 << 27)
635 #define		CNL_AUX_CHANNEL_F					(1 << 28)
636 #define		ICL_AUX_CHANNEL_E					(1 << 29)
637 
638 #define GEN8_DE_MISC_ISR						0x44460
639 #define GEN8_DE_MISC_IMR						0x44464
640 #define GEN8_DE_MISC_IIR						0x44468
641 #define GEN8_DE_MISC_IER						0x4446c
642 #define		GEN8_DE_EDP_PSR						(1 << 19)
643 
644 #define PCH_INTERRUPT_VBLANK_BDW				(1 << 0)						// GEN8_PIPE_VBLANK
645 #define GEN8_PIPE_VSYNC							(1 << 1)
646 #define GEN8_PIPE_SCAN_LINE_EVENT				(1 << 2)
647 
648 #define GEN11_DISPLAY_INT_CTL					0x44200			// same as PCH_MASTER_INT_CTL_BDW
649 #define GEN11_GFX_MSTR_IRQ						0x190010
650 #define GEN11_MASTER_IRQ						(1 << 31)
651 #define GEN11_DISPLAY_IRQ						(1 << 16)
652 #define GEN11_GT_DW1_IRQ						(1 << 1)
653 #define GEN11_GT_DW0_IRQ						(1 << 0)
654 
655 #define GEN11_GT_INTR_DW0						0x190018
656 #define GEN11_GT_INTR_DW1						0x19001c
657 
658 #define GEN11_GU_MISC_IMR						0x444f4
659 #define GEN11_GU_MISC_IIR						0x444f8
660 #define GEN11_GU_MISC_IER						0x444fc
661 #define 	GEN11_GU_MISC_GSE					(1 << 27)
662 
663 
664 // graphics port control (i.e. G45)
665 #define DISPLAY_MONITOR_PORT_ENABLED	(1UL << 31)
666 #define DISPLAY_MONITOR_PIPE_B			(1UL << 30)
667 #define DISPLAY_MONITOR_VGA_POLARITY	(1UL << 15)
668 #define DISPLAY_MONITOR_MODE_MASK		(3UL << 10)
669 #define DISPLAY_MONITOR_ON				0
670 #define DISPLAY_MONITOR_SUSPEND			(1UL << 10)
671 #define DISPLAY_MONITOR_STAND_BY		(2UL << 10)
672 #define DISPLAY_MONITOR_OFF				(3UL << 10)
673 #define DISPLAY_MONITOR_POLARITY_MASK	(3UL << 3)
674 #define DISPLAY_MONITOR_POSITIVE_HSYNC	(1UL << 3)
675 #define DISPLAY_MONITOR_POSITIVE_VSYNC	(2UL << 3)
676 #define DISPLAY_MONITOR_PORT_DETECTED	(1UL << 2) // TMDS/DisplayPort only
677 
678 // Cougar Point transcoder pipe selection
679 // (replaces DISPLAY_MONITOR_PIPE_B)
680 #define  PORT_TRANS_A_SEL_CPT			0
681 #define  PORT_TRANS_B_SEL_CPT			(1<<29)
682 #define  PORT_TRANS_C_SEL_CPT			(2<<29)
683 #define  PORT_TRANS_SEL_MASK			(3<<29)
684 
685 #define LVDS_POST2_RATE_SLOW			14 // PLL Divisors
686 #define LVDS_POST2_RATE_FAST			7
687 #define LVDS_B0B3_POWER_MASK			(3UL << 2)
688 #define LVDS_B0B3_POWER_UP				(3UL << 2)
689 #define LVDS_CLKB_POWER_MASK			(3UL << 4)
690 #define LVDS_CLKB_POWER_UP				(3UL << 4)
691 #define LVDS_A3_POWER_MASK				(3UL << 6)
692 #define LVDS_A3_POWER_UP				(3UL << 6)
693 #define LVDS_A0A2_CLKA_POWER_UP			(3UL << 8)
694 #define LVDS_BORDER_ENABLE				(1UL << 15)
695 #define LVDS_HSYNC_POLARITY				(1UL << 20)
696 #define LVDS_VSYNC_POLARITY				(1UL << 21)
697 #define LVDS_18BIT_DITHER				(1UL << 25)
698 #define LVDS_PORT_EN					(1UL << 31)
699 
700 // PLL flags (pre-DDI)
701 #define DISPLAY_PLL_ENABLED				(1UL << 31)
702 #define DISPLAY_PLL_2X_CLOCK			(1UL << 30)
703 #define DISPLAY_PLL_SYNC_LOCK_ENABLED	(1UL << 29)
704 #define DISPLAY_PLL_NO_VGA_CONTROL		(1UL << 28)
705 #define DISPLAY_PLL_MODE_NORMAL			(1UL << 26)
706 #define DISPLAY_PLL_MODE_LVDS			(2UL << 26)
707 #define DISPLAY_PLL_DIVIDE_HIGH			(1UL << 24)
708 #define DISPLAY_PLL_DIVIDE_4X			(1UL << 23)
709 #define DISPLAY_PLL_POST1_DIVIDE_2		(1UL << 21)
710 #define DISPLAY_PLL_POST1_DIVISOR_MASK	0x001f0000
711 #define DISPLAY_PLL_9xx_POST1_DIVISOR_MASK	0x00ff0000
712 #define DISPLAY_PLL_SNB_FP0_POST1_DIVISOR_MASK	0x000000ff
713 #define DISPLAY_PLL_IGD_POST1_DIVISOR_MASK  0x00ff8000
714 #define DISPLAY_PLL_POST1_DIVISOR_SHIFT	16
715 #define DISPLAY_PLL_SNB_FP0_POST1_DIVISOR_SHIFT	0
716 #define DISPLAY_PLL_IGD_POST1_DIVISOR_SHIFT	15
717 #define DISPLAY_PLL_DIVISOR_1			(1UL << 8)
718 #define DISPLAY_PLL_N_DIVISOR_MASK		0x001f0000
719 #define DISPLAY_PLL_IGD_N_DIVISOR_MASK	0x00ff0000
720 #define DISPLAY_PLL_M1_DIVISOR_MASK		0x00001f00
721 #define DISPLAY_PLL_M2_DIVISOR_MASK		0x0000001f
722 #define DISPLAY_PLL_IGD_M2_DIVISOR_MASK	0x000000ff
723 #define DISPLAY_PLL_N_DIVISOR_SHIFT		16
724 #define DISPLAY_PLL_M1_DIVISOR_SHIFT	8
725 #define DISPLAY_PLL_M2_DIVISOR_SHIFT	0
726 #define DISPLAY_PLL_PULSE_PHASE_SHIFT	9
727 
728 // Skylake PLLs
729 #define SKL_DPLL1_CFGCR1				(0xc040 | REGS_NORTH_PIPE_AND_PORT)
730 #define SKL_DPLL1_CFGCR2				(0xc044 | REGS_NORTH_PIPE_AND_PORT)
731 #define SKL_DPLL2_CFGCR1				(0xc048 | REGS_NORTH_PIPE_AND_PORT)
732 #define SKL_DPLL2_CFGCR2				(0xc04c | REGS_NORTH_PIPE_AND_PORT)
733 #define SKL_DPLL3_CFGCR1				(0xc050 | REGS_NORTH_PIPE_AND_PORT)
734 #define SKL_DPLL3_CFGCR2				(0xc054 | REGS_NORTH_PIPE_AND_PORT)
735 // These exist also still in CoffeeLake (confirmed):
736 #define SKL_DPLL_CTRL1					(0xc058 | REGS_NORTH_PIPE_AND_PORT)
737 #define SKL_DPLL_CTRL2					(0xc05c | REGS_NORTH_PIPE_AND_PORT)
738 #define SKL_DPLL_STATUS					(0xc060 | REGS_NORTH_PIPE_AND_PORT)
739 #define SKL_DPLL0_DP_LINKRATE_SHIFT		1
740 #define SKL_DPLL1_DP_LINKRATE_SHIFT		7
741 #define SKL_DPLL2_DP_LINKRATE_SHIFT		13
742 #define SKL_DPLL3_DP_LINKRATE_SHIFT		19
743 #define SKL_DPLL_DP_LINKRATE_MASK		7
744 #define SKL_DPLL_CTRL1_2700				0
745 #define SKL_DPLL_CTRL1_1350				1
746 #define SKL_DPLL_CTRL1_810				2
747 #define SKL_DPLL_CTRL1_1620				3
748 #define SKL_DPLL_CTRL1_1080				4
749 #define SKL_DPLL_CTRL1_2160				5
750 
751 // Icelake PLLs
752 #define ICL_DSSM						0x51004
753 #define ICL_DSSM_REF_FREQ_SHIFT			29
754 #define ICL_DSSM_REF_FREQ_MASK			(7 << ICL_DSSM_REF_FREQ_SHIFT)
755 #define ICL_DSSM_24000					0
756 #define ICL_DSSM_19200					1
757 #define ICL_DSSM_38400					2
758 
759 // display
760 
761 #define INTEL_DISPLAY_OFFSET			0x1000
762 
763 // Note: on Skylake below registers are part of the transcoder
764 #define INTEL_DISPLAY_A_HTOTAL			(0x0000 | REGS_NORTH_PIPE_AND_PORT)
765 #define INTEL_DISPLAY_A_HBLANK			(0x0004 | REGS_NORTH_PIPE_AND_PORT)
766 #define INTEL_DISPLAY_A_HSYNC			(0x0008 | REGS_NORTH_PIPE_AND_PORT)
767 #define INTEL_DISPLAY_A_VTOTAL			(0x000c | REGS_NORTH_PIPE_AND_PORT)
768 #define INTEL_DISPLAY_A_VBLANK			(0x0010 | REGS_NORTH_PIPE_AND_PORT)
769 #define INTEL_DISPLAY_A_VSYNC			(0x0014 | REGS_NORTH_PIPE_AND_PORT)
770 #define INTEL_DISPLAY_B_HTOTAL			(0x1000 | REGS_NORTH_PIPE_AND_PORT)
771 #define INTEL_DISPLAY_B_HBLANK			(0x1004 | REGS_NORTH_PIPE_AND_PORT)
772 #define INTEL_DISPLAY_B_HSYNC			(0x1008 | REGS_NORTH_PIPE_AND_PORT)
773 #define INTEL_DISPLAY_B_VTOTAL			(0x100c | REGS_NORTH_PIPE_AND_PORT)
774 #define INTEL_DISPLAY_B_VBLANK			(0x1010 | REGS_NORTH_PIPE_AND_PORT)
775 #define INTEL_DISPLAY_B_VSYNC			(0x1014 | REGS_NORTH_PIPE_AND_PORT)
776 
777 #define INTEL_DISPLAY_A_PIPE_SIZE		(0x001c | REGS_NORTH_PIPE_AND_PORT)
778 #define INTEL_DISPLAY_B_PIPE_SIZE		(0x101c | REGS_NORTH_PIPE_AND_PORT)
779 
780 //G45 displayport link
781 #define INTEL_PIPE_A_DATA_M				(0x0050 | REGS_NORTH_PLANE_CONTROL)
782 #define INTEL_PIPE_B_DATA_M				(0x1050 | REGS_NORTH_PLANE_CONTROL)
783 #define INTEL_PIPE_A_DATA_N				(0x0054 | REGS_NORTH_PLANE_CONTROL)
784 #define INTEL_PIPE_B_DATA_N				(0x1054 | REGS_NORTH_PLANE_CONTROL)
785 #define INTEL_PIPE_A_LINK_M				(0x0060 | REGS_NORTH_PLANE_CONTROL)
786 #define INTEL_PIPE_B_LINK_M				(0x1060 | REGS_NORTH_PLANE_CONTROL)
787 #define INTEL_PIPE_A_LINK_N				(0x0064 | REGS_NORTH_PLANE_CONTROL)
788 #define INTEL_PIPE_B_LINK_N				(0x1064 | REGS_NORTH_PLANE_CONTROL)
789 
790 //DDI port link
791 #define INTEL_DDI_PIPE_A_DATA_M			(0x0030 | REGS_NORTH_PIPE_AND_PORT)
792 #define INTEL_DDI_PIPE_B_DATA_M			(0x1030 | REGS_NORTH_PIPE_AND_PORT)
793 #define INTEL_DDI_PIPE_A_DATA_N			(0x0034 | REGS_NORTH_PIPE_AND_PORT)
794 #define INTEL_DDI_PIPE_B_DATA_N			(0x1034 | REGS_NORTH_PIPE_AND_PORT)
795 #define INTEL_DDI_PIPE_A_LINK_M			(0x0040 | REGS_NORTH_PIPE_AND_PORT)
796 #define INTEL_DDI_PIPE_B_LINK_M			(0x1040 | REGS_NORTH_PIPE_AND_PORT)
797 #define INTEL_DDI_PIPE_A_LINK_N			(0x0044 | REGS_NORTH_PIPE_AND_PORT)
798 #define INTEL_DDI_PIPE_B_LINK_N			(0x1044 | REGS_NORTH_PIPE_AND_PORT)
799 
800 // on PCH we also have to set the transcoder
801 #define INTEL_TRANSCODER_A_HTOTAL		(0x0000 | REGS_SOUTH_TRANSCODER_PORT)
802 #define INTEL_TRANSCODER_A_HBLANK		(0x0004 | REGS_SOUTH_TRANSCODER_PORT)
803 #define INTEL_TRANSCODER_A_HSYNC		(0x0008 | REGS_SOUTH_TRANSCODER_PORT)
804 #define INTEL_TRANSCODER_A_VTOTAL		(0x000c | REGS_SOUTH_TRANSCODER_PORT)
805 #define INTEL_TRANSCODER_A_VBLANK		(0x0010 | REGS_SOUTH_TRANSCODER_PORT)
806 #define INTEL_TRANSCODER_A_VSYNC		(0x0014 | REGS_SOUTH_TRANSCODER_PORT)
807 #define INTEL_TRANSCODER_B_HTOTAL		(0x1000 | REGS_SOUTH_TRANSCODER_PORT)
808 #define INTEL_TRANSCODER_B_HBLANK		(0x1004 | REGS_SOUTH_TRANSCODER_PORT)
809 #define INTEL_TRANSCODER_B_HSYNC		(0x1008 | REGS_SOUTH_TRANSCODER_PORT)
810 #define INTEL_TRANSCODER_B_VTOTAL		(0x100c | REGS_SOUTH_TRANSCODER_PORT)
811 #define INTEL_TRANSCODER_B_VBLANK		(0x1010 | REGS_SOUTH_TRANSCODER_PORT)
812 #define INTEL_TRANSCODER_B_VSYNC		(0x1014 | REGS_SOUTH_TRANSCODER_PORT)
813 
814 // transcoder M/N DATA AND LINK VALUES (refreshrate)
815 #define INTEL_TRANSCODER_A_DATA_M1			(0x0030 | REGS_SOUTH_TRANSCODER_PORT)
816 #define INTEL_TRANSCODER_A_DATA_M2			(0x0038 | REGS_SOUTH_TRANSCODER_PORT)
817 #define INTEL_TRANSCODER_B_DATA_M1			(0x1030 | REGS_SOUTH_TRANSCODER_PORT)
818 #define INTEL_TRANSCODER_B_DATA_M2			(0x1038 | REGS_SOUTH_TRANSCODER_PORT)
819 #define INTEL_TRANSCODER_C_DATA_M1			(0x2030 | REGS_SOUTH_TRANSCODER_PORT)
820 #define INTEL_TRANSCODER_C_DATA_M2			(0x2038 | REGS_SOUTH_TRANSCODER_PORT)
821 #define INTEL_TRANSCODER_A_DATA_N1			(0x0034 | REGS_SOUTH_TRANSCODER_PORT)
822 #define INTEL_TRANSCODER_A_DATA_N2			(0x003c | REGS_SOUTH_TRANSCODER_PORT)
823 #define INTEL_TRANSCODER_B_DATA_N1			(0x1034 | REGS_SOUTH_TRANSCODER_PORT)
824 #define INTEL_TRANSCODER_B_DATA_N2			(0x103c | REGS_SOUTH_TRANSCODER_PORT)
825 #define INTEL_TRANSCODER_C_DATA_N1			(0x2034 | REGS_SOUTH_TRANSCODER_PORT)
826 #define INTEL_TRANSCODER_C_DATA_N2			(0x203c | REGS_SOUTH_TRANSCODER_PORT)
827 #define INTEL_TRANSCODER_A_LINK_M1			(0x0040 | REGS_SOUTH_TRANSCODER_PORT)
828 #define INTEL_TRANSCODER_A_LINK_M2			(0x0048 | REGS_SOUTH_TRANSCODER_PORT)
829 #define INTEL_TRANSCODER_B_LINK_M1			(0x1040 | REGS_SOUTH_TRANSCODER_PORT)
830 #define INTEL_TRANSCODER_B_LINK_M2			(0x1048 | REGS_SOUTH_TRANSCODER_PORT)
831 #define INTEL_TRANSCODER_C_LINK_M1			(0x2040 | REGS_SOUTH_TRANSCODER_PORT)
832 #define INTEL_TRANSCODER_C_LINK_M2			(0x2048 | REGS_SOUTH_TRANSCODER_PORT)
833 #define INTEL_TRANSCODER_A_LINK_N1			(0x0044 | REGS_SOUTH_TRANSCODER_PORT)
834 #define INTEL_TRANSCODER_A_LINK_N2			(0x004c | REGS_SOUTH_TRANSCODER_PORT)
835 #define INTEL_TRANSCODER_B_LINK_N1			(0x1044 | REGS_SOUTH_TRANSCODER_PORT)
836 #define INTEL_TRANSCODER_B_LINK_N2			(0x104c | REGS_SOUTH_TRANSCODER_PORT)
837 #define INTEL_TRANSCODER_C_LINK_N1			(0x2044 | REGS_SOUTH_TRANSCODER_PORT)
838 #define INTEL_TRANSCODER_C_LINK_N2			(0x204c | REGS_SOUTH_TRANSCODER_PORT)
839 #define INTEL_TRANSCODER_MN_TU_SIZE_MASK	(0x3f << 25)
840 #define INTEL_TRANSCODER_MN_VALUE_MASK		(0xffffff << 0)
841 
842 #define INTEL_TRANSCODER_A_IMAGE_SIZE	(0x001c | REGS_SOUTH_TRANSCODER_PORT)
843 #define INTEL_TRANSCODER_B_IMAGE_SIZE	(0x101c | REGS_SOUTH_TRANSCODER_PORT)
844 
845 // TODO: Is there consolidation that could happen here with digital ports?
846 
847 #define INTEL_ANALOG_PORT				(0x1100 | REGS_SOUTH_TRANSCODER_PORT)
848 #define INTEL_DIGITAL_PORT_A			(0x1120 | REGS_SOUTH_TRANSCODER_PORT)
849 #define INTEL_DIGITAL_PORT_B			(0x1140 | REGS_SOUTH_TRANSCODER_PORT)
850 #define INTEL_DIGITAL_PORT_C			(0x1160 | REGS_SOUTH_TRANSCODER_PORT)
851 #define INTEL_DIGITAL_LVDS_PORT			(0x1180 | REGS_SOUTH_TRANSCODER_PORT)
852 
853 #define INTEL_HDMI_PORT_B				(0x1140 | REGS_SOUTH_TRANSCODER_PORT)
854 #define INTEL_HDMI_PORT_C				(0x1160 | REGS_SOUTH_TRANSCODER_PORT)
855 
856 #define PCH_HDMI_PORT_B					(0x1140 | REGS_SOUTH_TRANSCODER_PORT)
857 #define PCH_HDMI_PORT_C					(0x1150 | REGS_SOUTH_TRANSCODER_PORT)
858 #define PCH_HDMI_PORT_D					(0x1160 | REGS_SOUTH_TRANSCODER_PORT)
859 
860 #define GEN4_HDMI_PORT_B				(0x1140 | REGS_SOUTH_TRANSCODER_PORT)
861 #define GEN4_HDMI_PORT_C				(0x1160 | REGS_SOUTH_TRANSCODER_PORT)
862 #define CHV_HDMI_PORT_D					(0x116C | REGS_SOUTH_TRANSCODER_PORT)
863 
864 // DDI Buffer Control (This replaces DP on Haswell+)
865 #define DDI_BUF_CTL_A					(0x4000 | REGS_NORTH_PIPE_AND_PORT)
866 #define DDI_BUF_CTL_B					(0x4100 | REGS_NORTH_PIPE_AND_PORT)
867 #define DDI_BUF_CTL_C					(0x4200 | REGS_NORTH_PIPE_AND_PORT)
868 #define DDI_BUF_CTL_D					(0x4300 | REGS_NORTH_PIPE_AND_PORT)
869 #define DDI_BUF_CTL_E					(0x4400 | REGS_NORTH_PIPE_AND_PORT)
870 #define DDI_BUF_CTL_F					(0x4500 | REGS_NORTH_PIPE_AND_PORT)
871 #define DDI_BUF_CTL_ENABLE				(1 << 31)
872 #define DDI_BUF_TRANS_SELECT(n)			((n) << 24)
873 #define DDI_BUF_EMP_MASK				(0xf << 24)
874 #define DDI_BUF_PORT_REVERSAL			(1 << 16)
875 #define DDI_BUF_IS_IDLE					(1 << 7)
876 #define DDI_A_4_LANES					(1 << 4)
877 #define DDI_PORT_WIDTH(width)			(((width) - 1) << 1)
878 #define DDI_INIT_DISPLAY_DETECTED		(1 << 0)
879 
880 #define PIPE_DDI_FUNC_CTL_A				(0x0400 | REGS_NORTH_PIPE_AND_PORT)
881 #define PIPE_DDI_FUNC_CTL_B				(0x1400 | REGS_NORTH_PIPE_AND_PORT)
882 #define PIPE_DDI_FUNC_CTL_C				(0x2400 | REGS_NORTH_PIPE_AND_PORT)
883 #define PIPE_DDI_FUNC_CTL_EDP			(0xF400 | REGS_NORTH_PIPE_AND_PORT)
884 #define PIPE_DDI_FUNC_CTL_ENABLE		(1 << 31)
885 #define PIPE_DDI_SELECT_SHIFT			28
886 #define PIPE_DDI_SELECT_PORT(x)			((x) << PIPE_DDI_SELECT_SHIFT)
887 #define PIPE_DDI_SELECT_MASK			(7 << PIPE_DDI_SELECT_SHIFT)
888 #define PIPE_DDI_PORT_NONE				0
889 #define PIPE_DDI_PORT_B					1
890 #define PIPE_DDI_PORT_C					2
891 #define PIPE_DDI_PORT_D					3
892 #define PIPE_DDI_PORT_E					4
893 #define PIPE_DDI_PORT_F					5
894 #define PIPE_DDI_MODESEL_SHIFT			24
895 #define PIPE_DDI_MODESEL_MODE(x)		((x) << PIPE_DDI_MODESEL_SHIFT)
896 #define PIPE_DDI_MODESEL_MASK			(7 << PIPE_DDI_MODESEL_SHIFT)
897 #define PIPE_DDI_MODE_HDMI				0
898 #define PIPE_DDI_MODE_DVI				1
899 #define PIPE_DDI_MODE_DP_SST			2
900 #define PIPE_DDI_MODE_DP_MST			3
901 #define PIPE_DDI_COLOR_SHIFT			20
902 #define PIPE_DDI_BPC(x)					((x) << PIPE_DDI_COLOR_SHIFT)
903 #define PIPE_DDI_BPC_MASK				(7 << PIPE_DDI_COLOR_SHIFT)
904 #define PIPE_DDI_8BPC					0
905 #define PIPE_DDI_10BPC					1
906 #define PIPE_DDI_6BPC					2
907 #define PIPE_DDI_12BPC					3
908 #define PIPE_DDI_DP_WIDTH_SHIFT			1
909 #define PIPE_DDI_DP_WIDTH_SEL(x)		((x) << PIPE_DDI_DP_WIDTH_SHIFT)
910 #define PIPE_DDI_DP_WIDTH_MASK			(7 << PIPE_DDI_DP_WIDTH_SHIFT)
911 #define PIPE_DDI_DP_WIDTH_1				0
912 #define PIPE_DDI_DP_WIDTH_2				1
913 #define PIPE_DDI_DP_WIDTH_4				2
914 
915 // DP_A always @ 6xxxx, DP_B-DP_D move with PCH
916 #define INTEL_DISPLAY_PORT_A			(0x4000 | REGS_NORTH_PIPE_AND_PORT)
917 #define INTEL_DISPLAY_PORT_B			(0x4100 | REGS_SOUTH_TRANSCODER_PORT)
918 #define INTEL_DISPLAY_PORT_C			(0x4200 | REGS_SOUTH_TRANSCODER_PORT)
919 #define INTEL_DISPLAY_PORT_D			(0x4300 | REGS_SOUTH_TRANSCODER_PORT)
920 
921 #define INTEL_DISP_PORTA_SNB_PIPE_SHIFT	30
922 #define INTEL_DISP_PORTA_SNB_PIPE_MASK	(1 << INTEL_DISP_PORTA_SNB_PIPE_SHIFT)
923 #define INTEL_DISP_PORTA_SNB_PIPE_A		0
924 #define INTEL_DISP_PORTA_SNB_PIPE_B		1
925 #define INTEL_DISP_PORTA_IVB_PIPE_SHIFT	29
926 #define INTEL_DISP_PORTA_IVB_PIPE_MASK	(3 << INTEL_DISP_PORTA_IVB_PIPE_SHIFT)
927 #define INTEL_DISP_PORTA_IVB_PIPE_A		0
928 #define INTEL_DISP_PORTA_IVB_PIPE_B		1
929 #define INTEL_DISP_PORTA_IVB_PIPE_C		2
930 
931 #define INTEL_DISP_PORT_WIDTH_SHIFT		19
932 #define INTEL_DISP_PORT_WIDTH_MASK		(7 << INTEL_DISP_PORT_WIDTH_SHIFT)
933 #define INTEL_DISP_PORT_WIDTH_1			0
934 #define INTEL_DISP_PORT_WIDTH_2			1
935 #define INTEL_DISP_PORT_WIDTH_4			3
936 #define INTEL_DISP_EDP_PLL_FREQ_SHIFT	16
937 #define INTEL_DISP_EDP_PLL_FREQ_MASK	(3 << INTEL_DISP_EDP_PLL_FREQ_SHIFT)
938 #define INTEL_DISP_EDP_PLL_FREQ_270		0
939 #define INTEL_DISP_EDP_PLL_FREQ_162		1
940 
941 #define INTEL_TRANSCODER_A_DP_CTL		(0x0300 | REGS_SOUTH_TRANSCODER_PORT)
942 #define INTEL_TRANSCODER_B_DP_CTL		(0x1300 | REGS_SOUTH_TRANSCODER_PORT)
943 #define INTEL_TRANSCODER_C_DP_CTL		(0x2300 | REGS_SOUTH_TRANSCODER_PORT)
944 
945 #define INTEL_TRANS_DP_COLOR_SHIFT		9
946 #define INTEL_TRANS_DP_BPC(x)			((x) << INTEL_TRANS_DP_COLOR_SHIFT)
947 #define INTEL_TRANS_DP_BPC_MASK			(7 << INTEL_TRANS_DP_COLOR_SHIFT)
948 #define INTEL_TRANS_DP_PORT_SHIFT		29
949 #define INTEL_TRANS_DP_PORT(x)			((x) << INTEL_TRANS_DP_PORT_SHIFT)
950 #define INTEL_TRANS_DP_PORT_MASK		(3 << INTEL_TRANS_DP_PORT_SHIFT)
951 #define INTEL_TRANS_DP_PORT_B			0
952 #define INTEL_TRANS_DP_PORT_C			1
953 #define INTEL_TRANS_DP_PORT_D			2
954 #define INTEL_TRANS_DP_PORT_NONE		3
955 
956 // Unless you're a damn Valley/CherryView unicorn :-(
957 #define VLV_DISPLAY_PORT_B				(VLV_DISPLAY_BASE + 0x64100)
958 #define VLV_DISPLAY_PORT_C				(VLV_DISPLAY_BASE + 0x64200)
959 #define CHV_DISPLAY_PORT_D				(VLV_DISPLAY_BASE + 0x64300)
960 
961 // DP AUX channels
962 #define _DPA_AUX_CH_CTL					(0x4010 | REGS_NORTH_PIPE_AND_PORT)
963 #define _DPA_AUX_CH_DATA1				(0x4014 | REGS_NORTH_PIPE_AND_PORT)
964 #define _DPB_AUX_CH_CTL					(0x4110 | REGS_NORTH_PIPE_AND_PORT)
965 #define _DPB_AUX_CH_DATA1				(0x4114 | REGS_NORTH_PIPE_AND_PORT)
966 #define DP_AUX_CH_CTL(aux)		\
967 					(_DPA_AUX_CH_CTL + (_DPB_AUX_CH_CTL - _DPA_AUX_CH_CTL) * aux)
968 #define DP_AUX_CH_DATA(aux, i)	\
969 					(_DPA_AUX_CH_DATA1 + (_DPB_AUX_CH_DATA1 - _DPA_AUX_CH_DATA1) * aux + i * 4)
970 
971 #define INTEL_DP_AUX_CTL_BUSY			(1 << 31)
972 #define INTEL_DP_AUX_CTL_DONE			(1 << 30)
973 #define INTEL_DP_AUX_CTL_INTERRUPT		(1 << 29)
974 #define INTEL_DP_AUX_CTL_TIMEOUT_ERROR	(1 << 28)
975 #define INTEL_DP_AUX_CTL_TIMEOUT_400us	(0 << 26)
976 #define INTEL_DP_AUX_CTL_TIMEOUT_600us	(1 << 26)
977 #define INTEL_DP_AUX_CTL_TIMEOUT_800us	(2 << 26)
978 #define INTEL_DP_AUX_CTL_TIMEOUT_1600us (3 << 26)
979 #define INTEL_DP_AUX_CTL_TIMEOUT_MASK	(3 << 26)
980 #define INTEL_DP_AUX_CTL_RECEIVE_ERROR	(1 << 25)
981 #define INTEL_DP_AUX_CTL_MSG_SIZE_MASK	(0x1f << 20)
982 #define INTEL_DP_AUX_CTL_MSG_SIZE_SHIFT 20
983 #define INTEL_DP_AUX_CTL_PRECHARGE_2US_MASK (0xf << 16)
984 #define INTEL_DP_AUX_CTL_PRECHARGE_2US_SHIFT 16
985 #define INTEL_DP_AUX_CTL_BIT_CLOCK_2X_MASK (0x7ff)
986 #define INTEL_DP_AUX_CTL_BIT_CLOCK_2X_SHIFT 0
987 #define INTEL_DP_AUX_CTL_FW_SYNC_PULSE_SKL(c)   (((c) - 1) << 5)
988 #define INTEL_DP_AUX_CTL_SYNC_PULSE_SKL(c)   ((c) - 1)
989 
990 // planes
991 #define INTEL_PIPE_ENABLED				(1UL << 31)
992 #define INTEL_PIPE_STATE				(1UL << 30)
993 
994 #define INTEL_PLANE_OFFSET				0x1000
995 
996 #define INTEL_DISPLAY_A_PIPE_CONTROL	(0x0008	| REGS_NORTH_PLANE_CONTROL)
997 #define INTEL_DISPLAY_B_PIPE_CONTROL	(0x1008 | REGS_NORTH_PLANE_CONTROL)
998 #define INTEL_DISPLAY_C_PIPE_CONTROL	(0x2008 | REGS_NORTH_PLANE_CONTROL)
999 #define INTEL_DISPLAY_A_PIPE_STATUS		(0x0024 | REGS_NORTH_PLANE_CONTROL)
1000 #define INTEL_DISPLAY_B_PIPE_STATUS		(0x1024 | REGS_NORTH_PLANE_CONTROL)
1001 
1002 #define INTEL_DISPLAY_A_PIPE_WATERMARK	(0x5100 | REGS_NORTH_PLANE_CONTROL)
1003 #define INTEL_DISPLAY_B_PIPE_WATERMARK	(0x5104 | REGS_NORTH_PLANE_CONTROL)
1004 #define INTEL_DISPLAY_C_PIPE_WATERMARK	(0x5200 | REGS_NORTH_PLANE_CONTROL)
1005 
1006 #define DISPLAY_PIPE_VBLANK_ENABLED		(1UL << 17)
1007 #define DISPLAY_PIPE_VBLANK_STATUS		(1UL << 1)
1008 
1009 #define INTEL_DISPLAY_A_CONTROL			(0x0180 | REGS_NORTH_PLANE_CONTROL)
1010 #define INTEL_DISPLAY_A_BASE			(0x0184 | REGS_NORTH_PLANE_CONTROL)
1011 #define INTEL_DISPLAY_A_BYTES_PER_ROW	(0x0188 | REGS_NORTH_PLANE_CONTROL)
1012 #define INTEL_DISPLAY_A_POS				(0x018c | REGS_NORTH_PLANE_CONTROL)
1013 	// reserved on A
1014 #define INTEL_DISPLAY_A_IMAGE_SIZE		(0x0190 | REGS_NORTH_PLANE_CONTROL)
1015 #define INTEL_DISPLAY_A_SURFACE			(0x019c | REGS_NORTH_PLANE_CONTROL)
1016 #define INTEL_DISPLAY_A_OFFSET_HAS		(0x01a4 | REGS_NORTH_PLANE_CONTROL)
1017 	// i965 and up only
1018 
1019 #define INTEL_DISPLAY_B_CONTROL			(0x1180 | REGS_NORTH_PLANE_CONTROL)
1020 #define INTEL_DISPLAY_B_BASE			(0x1184 | REGS_NORTH_PLANE_CONTROL)
1021 #define INTEL_DISPLAY_B_BYTES_PER_ROW	(0x1188 | REGS_NORTH_PLANE_CONTROL)
1022 #define INTEL_DISPLAY_B_POS				(0x118c | REGS_NORTH_PLANE_CONTROL)
1023 #define INTEL_DISPLAY_B_IMAGE_SIZE		(0x1190 | REGS_NORTH_PLANE_CONTROL)
1024 #define INTEL_DISPLAY_B_SURFACE			(0x119c | REGS_NORTH_PLANE_CONTROL)
1025 #define INTEL_DISPLAY_B_OFFSET_HAS		(0x11a4 | REGS_NORTH_PLANE_CONTROL)
1026 	// i965 and up only
1027 
1028 // INTEL_DISPLAY_A_CONTROL source pixel format
1029 #define DISPLAY_CONTROL_ENABLED			(1UL << 31)
1030 #define DISPLAY_CONTROL_GAMMA			(1UL << 30)
1031 #define DISPLAY_CONTROL_COLOR_MASK		(0x0fUL << 26)
1032 #define DISPLAY_CONTROL_CMAP8			(2UL << 26)
1033 #define DISPLAY_CONTROL_RGB15			(4UL << 26)
1034 #define DISPLAY_CONTROL_RGB16			(5UL << 26)
1035 #define DISPLAY_CONTROL_RGB32			(6UL << 26)
1036 #define DISPLAY_CONTROL_RGB64			(0x0cUL << 26)
1037 // Skylake
1038 #define DISPLAY_CONTROL_COLOR_MASK_SKY	(0x0fUL << 24)
1039 #define DISPLAY_CONTROL_CMAP8_SKY		(0x0cUL << 24)
1040 #define DISPLAY_CONTROL_RGB15_SKY		(0x0eUL << 24)
1041 #define DISPLAY_CONTROL_RGB16_SKY		(0x0eUL << 24)
1042 #define DISPLAY_CONTROL_RGB32_SKY		(0x04UL << 24)
1043 #define DISPLAY_CONTROL_RGB64_SKY		(0x06UL << 24)
1044 
1045 // INTEL_DISPLAY_A_PIPE_CONTROL ILK+
1046 #define INTEL_PIPE_DITHER_TYPE_MASK		(0x0000000c)
1047 #define INTEL_PIPE_DITHER_TYPE_SP		(0 << 2)
1048 #define INTEL_PIPE_DITHER_TYPE_ST1		(1 << 2)
1049 #define INTEL_PIPE_DITHER_TYPE_ST2		(2 << 2)
1050 #define INTEL_PIPE_DITHER_TYPE_TEMP		(3 << 2)
1051 #define INTEL_PIPE_DITHER_EN			(1 << 4)
1052 #define INTEL_PIPE_COLOR_SHIFT			5
1053 #define INTEL_PIPE_BPC(x)				((x) << INTEL_PIPE_COLOR_SHIFT)
1054 #define INTEL_PIPE_BPC_MASK				(7 << INTEL_PIPE_COLOR_SHIFT)
1055 #define INTEL_PIPE_8BPC					0
1056 #define INTEL_PIPE_10BPC				1
1057 #define INTEL_PIPE_6BPC					2
1058 #define INTEL_PIPE_12BPC				3
1059 #define INTEL_PIPE_PROGRESSIVE			(0 << 21)
1060 
1061 // cursors
1062 #define INTEL_CURSOR_CONTROL			(0x0080 | REGS_NORTH_PLANE_CONTROL)
1063 #define INTEL_CURSOR_BASE				(0x0084 | REGS_NORTH_PLANE_CONTROL)
1064 #define INTEL_CURSOR_POSITION			(0x0088 | REGS_NORTH_PLANE_CONTROL)
1065 #define INTEL_CURSOR_PALETTE			(0x0090 | REGS_NORTH_PLANE_CONTROL)
1066 	// (- 0x009f)
1067 #define INTEL_CURSOR_SIZE				(0x00a0 | REGS_NORTH_PLANE_CONTROL)
1068 #define CURSOR_ENABLED					(1UL << 31)
1069 #define CURSOR_FORMAT_2_COLORS			(0UL << 24)
1070 #define CURSOR_FORMAT_3_COLORS			(1UL << 24)
1071 #define CURSOR_FORMAT_4_COLORS			(2UL << 24)
1072 #define CURSOR_FORMAT_ARGB				(4UL << 24)
1073 #define CURSOR_FORMAT_XRGB				(5UL << 24)
1074 #define CURSOR_POSITION_NEGATIVE		0x8000
1075 #define CURSOR_POSITION_MASK			0x3fff
1076 
1077 // palette registers
1078 #define INTEL_DISPLAY_A_PALETTE			(0xa000 | REGS_NORTH_SHARED)
1079 #define INTEL_DISPLAY_B_PALETTE			(0xa800 | REGS_NORTH_SHARED)
1080 
1081 // Ironlake PCH reference clk control
1082 #define PCH_DREF_CONTROL					(0x6200 | REGS_SOUTH_SHARED)
1083 #define DREF_CONTROL_MASK					0x7fc3
1084 #define DREF_CPU_SOURCE_OUTPUT_DISABLE		(0 << 13)
1085 #define DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD	(2 << 13)
1086 #define DREF_CPU_SOURCE_OUTPUT_NONSPREAD	(3 << 13)
1087 #define DREF_CPU_SOURCE_OUTPUT_MASK			(3 << 13)
1088 #define DREF_SSC_SOURCE_DISABLE				(0 << 11)
1089 #define DREF_SSC_SOURCE_ENABLE				(2 << 11)
1090 #define DREF_SSC_SOURCE_MASK				(3 << 11)
1091 #define DREF_NONSPREAD_SOURCE_DISABLE		(0 << 9)
1092 #define DREF_NONSPREAD_CK505_ENABLE			(1 << 9)
1093 #define DREF_NONSPREAD_SOURCE_ENABLE		(2 << 9)
1094 #define DREF_NONSPREAD_SOURCE_MASK			(3 << 9)
1095 #define DREF_SUPERSPREAD_SOURCE_DISABLE 	(0 << 7)
1096 #define DREF_SUPERSPREAD_SOURCE_ENABLE		(2 << 7)
1097 #define DREF_SUPERSPREAD_SOURCE_MASK		(3 << 7)
1098 #define DREF_SSC4_DOWNSPREAD				(0 << 6)
1099 #define DREF_SSC4_CENTERSPREAD				(1 << 6)
1100 #define DREF_SSC1_DISABLE					(0 << 1)
1101 #define DREF_SSC1_ENABLE					(1 << 1)
1102 #define DREF_SSC4_DISABLE					(0 << 0)
1103 #define DREF_SSC4_ENABLE					(1 << 0)
1104 
1105 // PLL registers
1106 //  Multiplier Divisor
1107 #define INTEL_DISPLAY_A_PLL				(0x6014 | REGS_SOUTH_SHARED)
1108 #define INTEL_DISPLAY_B_PLL				(0x6018 | REGS_SOUTH_SHARED)
1109 #define INTEL_DISPLAY_A_PLL_MD			(0x601C | REGS_SOUTH_SHARED)
1110 #define INTEL_DISPLAY_B_PLL_MD			(0x6020 | REGS_SOUTH_SHARED)
1111 #define CHV_DISPLAY_C_PLL				(0x6030 | REGS_SOUTH_SHARED)
1112 #define CHV_DISPLAY_B_PLL_MD			(0x603C | REGS_SOUTH_SHARED)
1113 
1114 #define INTEL_DISPLAY_A_PLL_DIVISOR_0	(0x6040 | REGS_SOUTH_SHARED)
1115 #define INTEL_DISPLAY_A_PLL_DIVISOR_1	(0x6044 | REGS_SOUTH_SHARED)
1116 #define INTEL_DISPLAY_B_PLL_DIVISOR_0	(0x6048 | REGS_SOUTH_SHARED)
1117 #define INTEL_DISPLAY_B_PLL_DIVISOR_1	(0x604c | REGS_SOUTH_SHARED)
1118 
1119 #define SNB_DPLL_SEL					(0x7000 | REGS_SOUTH_SHARED)
1120 
1121 // i2c bit banging interface
1122 #define INTEL_I2C_IO_A					(0x5010 | REGS_SOUTH_SHARED)
1123 #define INTEL_I2C_IO_B					(0x5014 | REGS_SOUTH_SHARED)
1124 #define INTEL_I2C_IO_C					(0x5018 | REGS_SOUTH_SHARED)
1125 #define INTEL_I2C_IO_D					(0x501c | REGS_SOUTH_SHARED)
1126 #define INTEL_I2C_IO_E					(0x5020 | REGS_SOUTH_SHARED)
1127 #define INTEL_I2C_IO_F					(0x5024 | REGS_SOUTH_SHARED)
1128 #define INTEL_I2C_IO_G					(0x5028 | REGS_SOUTH_SHARED)
1129 #define INTEL_I2C_IO_H					(0x502c | REGS_SOUTH_SHARED)
1130 // i2c hardware controller
1131 #define INTEL_GMBUS0					(0x5100 | REGS_SOUTH_SHARED)
1132 #define INTEL_GMBUS4					(0x5110 | REGS_SOUTH_SHARED)
1133 
1134 #define I2C_CLOCK_DIRECTION_MASK		(1 << 0)
1135 #define I2C_CLOCK_DIRECTION_OUT			(1 << 1)
1136 #define I2C_CLOCK_VALUE_MASK			(1 << 2)
1137 #define I2C_CLOCK_VALUE_OUT				(1 << 3)
1138 #define I2C_CLOCK_VALUE_IN				(1 << 4)
1139 #define I2C_DATA_DIRECTION_MASK			(1 << 8)
1140 #define I2C_DATA_DIRECTION_OUT			(1 << 9)
1141 #define I2C_DATA_VALUE_MASK				(1 << 10)
1142 #define I2C_DATA_VALUE_OUT				(1 << 11)
1143 #define I2C_DATA_VALUE_IN				(1 << 12)
1144 #define I2C_RESERVED					((1 << 13) | (1 << 5))
1145 
1146 // gpu block clock gating disable bits
1147 #define INTEL_DSPCLK_GATE_D				(0x2020 | REGS_SOUTH_SHARED)
1148 #define PCH_GMBUSUNIT_CLK_GATE_DIS		(1UL << 31)
1149 #define INTEL_GEN9_CLKGATE_DIS_4		(0x653c | REGS_NORTH_SHARED)
1150 #define BXT_GMBUSUNIT_CLK_GATE_DIS		(1 << 14)
1151 
1152 // gpu power wells (confirmed skylake)
1153 #define INTEL_PWR_WELL_CTL_1_BIOS		(0x5400 | REGS_NORTH_SHARED)
1154 #define INTEL_PWR_WELL_CTL_2_DRIVER		(0x5404 | REGS_NORTH_SHARED)
1155 
1156 #define	HSW_PWR_WELL_CTL_REQ(i)			(0x2 << ((2 * i)))
1157 #define	HSW_PWR_WELL_CTL_STATE(i)		(0x1 << ((2 * i)))
1158 
1159 #define HSW_PWR_WELL_CTL1				INTEL_PWR_WELL_CTL_1_BIOS
1160 #define HSW_PWR_WELL_CTL2				INTEL_PWR_WELL_CTL_2_DRIVER
1161 #define HSW_PWR_WELL_CTL3				(0x5408 | REGS_NORTH_SHARED)
1162 #define HSW_PWR_WELL_CTL4				(0x540c | REGS_NORTH_SHARED)
1163 
1164 #define ICL_PWR_WELL_CTL_AUX1			(0x5440 | REGS_NORTH_SHARED)
1165 #define ICL_PWR_WELL_CTL_AUX2			(0x5444 | REGS_NORTH_SHARED)
1166 #define ICL_PWR_WELL_CTL_AUX4			(0x544c | REGS_NORTH_SHARED)
1167 
1168 #define ICL_PWR_WELL_CTL_DDI1			(0x5450 | REGS_NORTH_SHARED)
1169 #define ICL_PWR_WELL_CTL_DDI2			(0x5454 | REGS_NORTH_SHARED)
1170 #define ICL_PWR_WELL_CTL_DDI4			(0x545c | REGS_NORTH_SHARED)
1171 
1172 // gpu pll enable registers (confirmed skylake)
1173 #define INTEL_WRPLL_CTL_1_DPLL2			(0x6040 | REGS_NORTH_SHARED)
1174 #define INTEL_WRPLL_CTL_2_DPLL3			(0x6060 | REGS_NORTH_SHARED)
1175 #define WRPLL_PLL_ENABLE				(1 << 31)
1176 
1177 // TODO: on IronLake this is in the north shared block at 0x41000
1178 #define INTEL_VGA_DISPLAY_CONTROL		(0x1400 | REGS_NORTH_PLANE_CONTROL)
1179 #define VGA_DISPLAY_DISABLED			(1UL << 31)
1180 
1181 // LVDS panel
1182 #define INTEL_PANEL_STATUS				(0x1200 | REGS_NORTH_PIPE_AND_PORT)
1183 #define INTEL_PANEL_CONTROL				(0x1204 | REGS_NORTH_PIPE_AND_PORT)
1184 #define INTEL_PANEL_FIT_CONTROL			(0x1230 | REGS_NORTH_PIPE_AND_PORT)
1185 #define INTEL_PANEL_FIT_RATIOS			(0x1234 | REGS_NORTH_PIPE_AND_PORT)
1186 
1187 // LVDS on IronLake and up
1188 #define PCH_PANEL_STATUS				(0x7200 | REGS_SOUTH_SHARED)
1189 #define PCH_PANEL_CONTROL				(0x7204 | REGS_SOUTH_SHARED)
1190 #define PCH_PANEL_ON_DELAYS				(0x7208 | REGS_SOUTH_SHARED)
1191 #define PCH_PANEL_OFF_DELAYS			(0x720c | REGS_SOUTH_SHARED)
1192 #define PCH_PANEL_DIVISOR				(0x7210 | REGS_SOUTH_SHARED)
1193 #define PCH_LVDS_DETECTED				(1 << 1)
1194 
1195 #define PANEL_STATUS_POWER_ON			(1UL << 31)
1196 #define PANEL_CONTROL_POWER_TARGET_OFF	(0UL << 0)
1197 #define PANEL_CONTROL_POWER_TARGET_ON	(1UL << 0)
1198 #define PANEL_CONTROL_POWER_TARGET_RST	(1UL << 1)
1199 #define PANEL_REGISTER_UNLOCK			(0xabcd << 16)
1200 
1201 // PCH_PANEL_ON_DELAYS
1202 #define PANEL_DELAY_PORT_SELECT_MASK	(3 << 30)
1203 #define PANEL_DELAY_PORT_SELECT_LVDS	(0 << 30)
1204 #define PANEL_DELAY_PORT_SELECT_DPA		(1 << 30)
1205 #define PANEL_DELAY_PORT_SELECT_DPC		(2 << 30)
1206 #define PANEL_DELAY_PORT_SELECT_DPD		(3 << 30)
1207 
1208 // PCH_PANEL_DIVISOR
1209 #define PANEL_DIVISOR_REFERENCE_DIV_MASK 0xffffff00
1210 #define PANEL_DIVISOR_REFERENCE_DIV_SHIFT 8
1211 #define PANEL_DIVISOR_POW_CYCLE_DLY_MASK 0x1f
1212 #define PANEL_DIVISOR_POW_CYCLE_DLY_SHIFT 0x1f
1213 
1214 // Backlight control registers
1215 // These have moved around, initially they were per pipe, then they were moved in the "north" part
1216 // of the PCH with a single backlight control (independant of pipes), and then moved again to the
1217 // "south" part of the PCH, with a simplified register layout.
1218 #define PCH_BLC_PWM_CTL2				(0x8250 | REGS_NORTH_SHARED) // Linux BLC_PWM_CPU_CTL2
1219 #define PCH_BLC_PWM_CTL					(0x8254 | REGS_NORTH_SHARED) // Linux BLC_PWM_CPU_CTL
1220 
1221 // Kaby Lake/Sunrisepoint
1222 #define BLC_PWM_PCH_CTL1				(0x8250 | REGS_SOUTH_SHARED) // Enable with bit 31
1223 #define BLC_PWM_PCH_CTL2				(0x8254 | REGS_SOUTH_SHARED) // Duty Cycle and Period
1224 
1225 // Devices after Cannonlake have a new register layout, with separate registers for the period
1226 // and duty cycle instead of having two 16bit values in a 32bit register
1227 #define PCH_SOUTH_BLC_PWM_CONTROL		(0x8250 | REGS_SOUTH_SHARED) // Linux _BXT_BLC_PWM_CTL1
1228 #define PCH_SOUTH_BLC_PWM_PERIOD		(0x8254 | REGS_SOUTH_SHARED) // Linux _BXT_BLC_PWM_FREQ1
1229 #define PCH_SOUTH_BLC_PWM_DUTY_CYCLE	(0x8258 | REGS_SOUTH_SHARED) // Linux _BXT_BLC_PWM_DUTY1
1230 
1231 #define MCH_BLC_PWM_CTL                 (0x1254 | REGS_NORTH_PIPE_AND_PORT)
1232 	// Linux VLV_BLC_PWM_CTL (one register per pipe) or BLC_PWM_CTL (a single register that can be
1233 	// programmed for use on either pipe)
1234 #define BLM_LEGACY_MODE					(1 << 16)
1235 
1236 // ring buffer commands
1237 
1238 #define COMMAND_NOOP					0x00
1239 #define COMMAND_WAIT_FOR_EVENT			(0x03 << 23)
1240 #define COMMAND_WAIT_FOR_OVERLAY_FLIP	(1 << 16)
1241 
1242 #define COMMAND_FLUSH					(0x04 << 23)
1243 
1244 // overlay flip
1245 #define COMMAND_OVERLAY_FLIP			(0x11 << 23)
1246 #define COMMAND_OVERLAY_CONTINUE		(0 << 21)
1247 #define COMMAND_OVERLAY_ON				(1 << 21)
1248 #define COMMAND_OVERLAY_OFF				(2 << 21)
1249 #define OVERLAY_UPDATE_COEFFICIENTS		0x1
1250 
1251 // 2D acceleration
1252 #define XY_COMMAND_SOURCE_BLIT			0x54c00006
1253 #define XY_COMMAND_COLOR_BLIT			0x54000004
1254 #define XY_COMMAND_SETUP_MONO_PATTERN	0x44400007
1255 #define XY_COMMAND_SCANLINE_BLIT		0x49400001
1256 #define COMMAND_COLOR_BLIT				0x50000003
1257 #define COMMAND_BLIT_RGBA				0x00300000
1258 
1259 #define COMMAND_MODE_SOLID_PATTERN		0x80
1260 #define COMMAND_MODE_CMAP8				0x00
1261 #define COMMAND_MODE_RGB15				0x02
1262 #define COMMAND_MODE_RGB16				0x01
1263 #define COMMAND_MODE_RGB32				0x03
1264 
1265 // overlay
1266 #define INTEL_OVERLAY_UPDATE			0x30000
1267 #define INTEL_OVERLAY_TEST				0x30004
1268 #define INTEL_OVERLAY_STATUS			0x30008
1269 #define INTEL_OVERLAY_EXTENDED_STATUS	0x3000c
1270 #define INTEL_OVERLAY_GAMMA_5			0x30010
1271 #define INTEL_OVERLAY_GAMMA_4			0x30014
1272 #define INTEL_OVERLAY_GAMMA_3			0x30018
1273 #define INTEL_OVERLAY_GAMMA_2			0x3001c
1274 #define INTEL_OVERLAY_GAMMA_1			0x30020
1275 #define INTEL_OVERLAY_GAMMA_0			0x30024
1276 
1277 // FDI - Flexible Display Interface, the interface between the (CPU-internal)
1278 // GPU and the PCH display outputs. Proprietary interface, based on DisplayPort
1279 // though, so similar link training and all...
1280 // There's an FDI transmitter (TX) on the CPU and an FDI receiver (RX) on the
1281 // PCH for each display pipe.
1282 // FDI receiver A is hooked up to transcoder A, FDI receiver B is hooked up to
1283 // transcoder B, so we have the same mapping as with the display pipes.
1284 #define PCH_FDI_RX_BASE_REGISTER		0xf0000
1285 #define PCH_FDI_RX_PIPE_OFFSET			0x01000
1286 #define PCH_FDI_RX_CONTROL				0x00c
1287 #define PCH_FDI_RX_MISC					0x010
1288 #define PCH_FDI_RX_IIR					0x014
1289 #define PCH_FDI_RX_IMR					0x018
1290 
1291 #define FDI_RX_ENABLE					(1 << 31)
1292 #define FDI_RX_PLL_ENABLED				(1 << 13)
1293 
1294 #define FDI_RX_LINK_COLOR_SHIFT			16
1295 #define FDI_RX_LINK_BPC(x)				((x) << FDI_RX_LINK_COLOR_SHIFT)
1296 #define FDI_RX_LINK_BPC_MASK			(7 << FDI_RX_LINK_COLOR_SHIFT)
1297 
1298 // Transcoder - same base as FDI_RX
1299 #define PCH_TRANS_CONF_A				0x0008
1300 #define PCH_TRANS_CONF_B				0x1008
1301 #define PCH_TRANS_CONF_C				0x2008
1302 
1303 // Transcoder - skylake DDI
1304 #define DDI_SKL_TRANS_CONF_A			(0x0008 | REGS_NORTH_PLANE_CONTROL)
1305 #define DDI_SKL_TRANS_CONF_B			(0x1008 | REGS_NORTH_PLANE_CONTROL)
1306 #define DDI_SKL_TRANS_CONF_C			(0x2008 | REGS_NORTH_PLANE_CONTROL)
1307 #define DDI_SKL_TRANS_CONF_EDP			(0xf008 | REGS_NORTH_PLANE_CONTROL)
1308 
1309 #define TRANS_ENABLE					(1 << 31)
1310 #define TRANS_ENABLED					(1 << 30)
1311 
1312 // FDI_tX interrupt register
1313 #define FDI_RX_INTER_LANE_ALIGN         (1 << 10)
1314 #define FDI_RX_SYMBOL_LOCK              (1 << 9)
1315 #define FDI_RX_BIT_LOCK                 (1 << 8)
1316 #define FDI_RX_TRAIN_PATTERN_2_FAIL     (1 << 7)
1317 #define FDI_RX_FS_CODE_ERR              (1 << 6)
1318 #define FDI_RX_FE_CODE_ERR              (1 << 5)
1319 #define FDI_RX_SYMBOL_ERR_RATE_ABOVE    (1 << 4)
1320 #define FDI_RX_HDCP_LINK_FAIL           (1 << 3)
1321 #define FDI_RX_PIXEL_FIFO_OVERFLOW      (1 << 2)
1322 #define FDI_RX_CROSS_CLOCK_OVERFLOW     (1 << 1)
1323 #define FDI_RX_SYMBOL_QUEUE_OVERFLOW    (1 << 0)
1324 
1325 #define FDI_FS_ERRC_ENABLE				(1 << 27)
1326 #define FDI_FE_ERRC_ENABLE				(1 << 26)
1327 
1328 #define PCH_FDI_RX_TRANS_UNIT_SIZE_1	0x30
1329 #define PCH_FDI_RX_TRANS_UNIT_SIZE_2	0x38
1330 #define FDI_RX_TRANS_UNIT_SIZE(x)		((x - 1) << 25)
1331 #define FDI_RX_TRANS_UNIT_MASK			0x7e000000
1332 
1333 #define FDI_RX_ENHANCE_FRAME_ENABLE		(1 << 6)
1334 #define FDI_RX_CLOCK_MASK				(1 << 4)
1335 #define FDI_RX_CLOCK_RAW				(0 << 4)
1336 #define FDI_RX_CLOCK_PCD				(1 << 4)
1337 
1338 // FDI RX MISC
1339 #define FDI_RX_PWRDN_LANE1_MASK		(3 << 26)
1340 #define FDI_RX_PWRDN_LANE1_VAL(x)	((x) << 26)
1341 #define FDI_RX_PWRDN_LANE0_MASK		(3 << 24)
1342 #define FDI_RX_PWRDN_LANE0_VAL(x)	((x) << 24)
1343 #define FDI_RX_TP1_TO_TP2_48		(2 << 20)
1344 #define FDI_RX_TP1_TO_TP2_64		(3 << 20)
1345 #define FDI_RX_FDI_DELAY_90			(0x90 << 0)
1346 
1347 #define PCH_FDI_TX_BASE_REGISTER			0x60000
1348 #define PCH_FDI_TX_PIPE_OFFSET				0x01000
1349 #define PCH_FDI_TX_CONTROL					0x100
1350 #define FDI_TX_ENABLE						(1 << 31)
1351 #define FDI_LINK_TRAIN_PATTERN_1			(0 << 28)
1352 #define FDI_LINK_TRAIN_PATTERN_2			(1 << 28)
1353 #define FDI_LINK_TRAIN_PATTERN_IDLE			(2 << 28)
1354 #define FDI_LINK_TRAIN_NONE					(3 << 28)
1355 #define FDI_LINK_TRAIN_VOLTAGE_0_4V			(0 << 25)
1356 #define FDI_LINK_TRAIN_VOLTAGE_0_6V			(1 << 25)
1357 #define FDI_LINK_TRAIN_VOLTAGE_0_8V			(2 << 25)
1358 #define FDI_LINK_TRAIN_VOLTAGE_1_2V			(3 << 25)
1359 #define FDI_LINK_TRAIN_PRE_EMPHASIS_NONE	(0 << 22)
1360 #define FDI_LINK_TRAIN_PRE_EMPHASIS_1_5X	(1 << 22)
1361 #define FDI_LINK_TRAIN_PRE_EMPHASIS_2X		(2 << 22)
1362 #define FDI_LINK_TRAIN_PRE_EMPHASIS_3X		(3 << 22)
1363 
1364 // FDI/PIPE M/N DATA AND LINK VALUES (refreshrate)
1365 #define PCH_FDI_PIPE_A_DATA_M1				(0x0030 | REGS_NORTH_PIPE_AND_PORT)
1366 #define PCH_FDI_PIPE_A_DATA_M2				(0x0038 | REGS_NORTH_PIPE_AND_PORT)
1367 #define PCH_FDI_PIPE_B_DATA_M1				(0x1030 | REGS_NORTH_PIPE_AND_PORT)
1368 #define PCH_FDI_PIPE_B_DATA_M2				(0x1038 | REGS_NORTH_PIPE_AND_PORT)
1369 #define PCH_FDI_PIPE_C_DATA_M1				(0x2030 | REGS_NORTH_PIPE_AND_PORT)
1370 #define PCH_FDI_PIPE_C_DATA_M2				(0x2038 | REGS_NORTH_PIPE_AND_PORT)
1371 #define PCH_FDI_PIPE_A_DATA_N1				(0x0034 | REGS_NORTH_PIPE_AND_PORT)
1372 #define PCH_FDI_PIPE_A_DATA_N2				(0x003c | REGS_NORTH_PIPE_AND_PORT)
1373 #define PCH_FDI_PIPE_B_DATA_N1				(0x1034 | REGS_NORTH_PIPE_AND_PORT)
1374 #define PCH_FDI_PIPE_B_DATA_N2				(0x103c | REGS_NORTH_PIPE_AND_PORT)
1375 #define PCH_FDI_PIPE_C_DATA_N1				(0x2034 | REGS_NORTH_PIPE_AND_PORT)
1376 #define PCH_FDI_PIPE_C_DATA_N2				(0x203c | REGS_NORTH_PIPE_AND_PORT)
1377 #define PCH_FDI_PIPE_A_LINK_M1				(0x0040 | REGS_NORTH_PIPE_AND_PORT)
1378 #define PCH_FDI_PIPE_A_LINK_M2				(0x0048 | REGS_NORTH_PIPE_AND_PORT)
1379 #define PCH_FDI_PIPE_B_LINK_M1				(0x1040 | REGS_NORTH_PIPE_AND_PORT)
1380 #define PCH_FDI_PIPE_B_LINK_M2				(0x1048 | REGS_NORTH_PIPE_AND_PORT)
1381 #define PCH_FDI_PIPE_C_LINK_M1				(0x2040 | REGS_NORTH_PIPE_AND_PORT)
1382 #define PCH_FDI_PIPE_C_LINK_M2				(0x2048 | REGS_NORTH_PIPE_AND_PORT)
1383 #define PCH_FDI_PIPE_A_LINK_N1				(0x0044 | REGS_NORTH_PIPE_AND_PORT)
1384 #define PCH_FDI_PIPE_A_LINK_N2				(0x004c | REGS_NORTH_PIPE_AND_PORT)
1385 #define PCH_FDI_PIPE_B_LINK_N1				(0x1044 | REGS_NORTH_PIPE_AND_PORT)
1386 #define PCH_FDI_PIPE_B_LINK_N2				(0x104c | REGS_NORTH_PIPE_AND_PORT)
1387 #define PCH_FDI_PIPE_C_LINK_N1				(0x2044 | REGS_NORTH_PIPE_AND_PORT)
1388 #define PCH_FDI_PIPE_C_LINK_N2				(0x204c | REGS_NORTH_PIPE_AND_PORT)
1389 #define FDI_PIPE_MN_TU_SIZE_MASK			(0x3f << 25)
1390 #define FDI_PIPE_MN_VALUE_MASK				(0xffffff << 0)
1391 
1392 // SNB A stepping
1393 #define FDI_LINK_TRAIN_400MV_0DB_SNB_A		(0x38 << 22)
1394 #define FDI_LINK_TRAIN_400MV_6DB_SNB_A		(0x02 << 22)
1395 #define FDI_LINK_TRAIN_600MV_3_5DB_SNB_A	(0x01 << 22)
1396 #define FDI_LINK_TRAIN_800MV_0DB_SNB_A		(0x00 << 22)
1397 
1398 // SNB B stepping
1399 #define FDI_LINK_TRAIN_400MV_0DB_SNB_B		(0x00 << 22)
1400 #define FDI_LINK_TRAIN_400MV_6DB_SNB_B		(0x3a << 22)
1401 #define FDI_LINK_TRAIN_600MV_3_5DB_SNB_B	(0x39 << 22)
1402 #define FDI_LINK_TRAIN_800MV_0DB_SNB_B		(0x38 << 22)
1403 #define FDI_LINK_TRAIN_VOL_EMP_MASK			(0x3f << 22)
1404 #define FDI_TX_ENHANCE_FRAME_ENABLE			(1 << 18)
1405 #define FDI_TX_PLL_ENABLED					(1 << 14)
1406 
1407 #define FDI_DP_PORT_WIDTH_SHIFT			19
1408 #define FDI_DP_PORT_WIDTH_MASK			(7 << FDI_DP_PORT_WIDTH_SHIFT)
1409 #define FDI_DP_PORT_WIDTH(width)		(((width) - 1) << FDI_DP_PORT_WIDTH_SHIFT)
1410 
1411 #define FDI_PLL_BIOS_0					0x46000
1412 #define FDI_PLL_FB_CLOCK_MASK			0xff
1413 #define FDI_PLL_BIOS_1					0x46004
1414 #define FDI_PLL_BIOS_2					0x46008
1415 
1416 #define FDI_AUTO_TRAINING				(1 << 10)
1417 #define FDI_AUTO_TRAIN_DONE				(1 << 1)
1418 
1419 #define FDI_LINK_TRAIN_PATTERN_1_CPT	(0 << 8)
1420 #define FDI_LINK_TRAIN_PATTERN_2_CPT	(1 << 8)
1421 #define FDI_LINK_TRAIN_PATTERN_IDLE_CPT	(2 << 8)
1422 #define FDI_LINK_TRAIN_NORMAL_CPT		(3 << 8)
1423 #define FDI_LINK_TRAIN_PATTERN_MASK_CPT	(3 << 8)
1424 
1425 // IvyBridge changes it up because... they hate developers?
1426 #define FDI_LINK_TRAIN_PATTERN_1_IVB	(0 << 8)
1427 #define FDI_LINK_TRAIN_PATTERN_2_IVB	(1 << 8)
1428 #define FDI_LINK_TRAIN_PATTERN_IDLE_IVB	(2 << 8)
1429 #define FDI_LINK_TRAIN_NONE_IVB			(3 << 8)
1430 
1431 #define PCH_FDI_RXA_CHICKEN				(0x200c | REGS_SOUTH_SHARED)
1432 #define PCH_FDI_RXB_CHICKEN				(0x2010 | REGS_SOUTH_SHARED)
1433 #define FDI_RX_PHASE_SYNC_POINTER_EN	(1 << 0)
1434 #define FDI_RX_PHASE_SYNC_POINTER_OVR	(1 << 1)
1435 
1436 // CPU Panel Fitters - These are for IronLake and up and are the CPU internal
1437 // panel fitters.
1438 #define PCH_PANEL_FITTER_BASE_REGISTER	0x68000
1439 #define PCH_PANEL_FITTER_PIPE_OFFSET	0x00800
1440 
1441 #define PCH_PANEL_FITTER_WINDOW_POS		0x70
1442 #define PCH_PANEL_FITTER_WINDOW_SIZE	0x74
1443 #define PCH_PANEL_FITTER_CONTROL		0x80
1444 //not on IvyBridge:
1445 #define PCH_PANEL_FITTER_V_SCALE		0x84
1446 #define PCH_PANEL_FITTER_H_SCALE		0x90
1447 
1448 #define PANEL_FITTER_ENABLED			(1 << 31)
1449 //pipes are hardcoded according to offset on SkyLake and later
1450 #define PANEL_FITTER_PIPE_MASK			(3 << 29)
1451 #define PANEL_FITTER_PIPE_A				(0 << 29)
1452 #define PANEL_FITTER_PIPE_B				(1 << 29)
1453 #define PANEL_FITTER_PIPE_C				(2 << 29)
1454 #define PANEL_FITTER_SCALING_MODE_MASK	(7 << 26)
1455 #define PANEL_FITTER_FILTER_MASK		(3 << 24)
1456 
1457 struct overlay_scale {
1458 	uint32 _reserved0 : 3;
1459 	uint32 horizontal_scale_fraction : 12;
1460 	uint32 _reserved1 : 1;
1461 	uint32 horizontal_downscale_factor : 3;
1462 	uint32 _reserved2 : 1;
1463 	uint32 vertical_scale_fraction : 12;
1464 };
1465 
1466 #define OVERLAY_FORMAT_RGB15			0x2
1467 #define OVERLAY_FORMAT_RGB16			0x3
1468 #define OVERLAY_FORMAT_RGB32			0x1
1469 #define OVERLAY_FORMAT_YCbCr422			0x8
1470 #define OVERLAY_FORMAT_YCbCr411			0x9
1471 #define OVERLAY_FORMAT_YCbCr420			0xc
1472 
1473 #define OVERLAY_MIRROR_NORMAL			0x0
1474 #define OVERLAY_MIRROR_HORIZONTAL		0x1
1475 #define OVERLAY_MIRROR_VERTICAL			0x2
1476 
1477 // The real overlay registers are written to using an update buffer
1478 
1479 struct overlay_registers {
1480 	uint32 buffer_rgb0;
1481 	uint32 buffer_rgb1;
1482 	uint32 buffer_u0;
1483 	uint32 buffer_v0;
1484 	uint32 buffer_u1;
1485 	uint32 buffer_v1;
1486 	// (0x18) OSTRIDE - overlay stride
1487 	uint16 stride_rgb;
1488 	uint16 stride_uv;
1489 	// (0x1c) YRGB_VPH - Y/RGB vertical phase
1490 	uint16 vertical_phase0_rgb;
1491 	uint16 vertical_phase1_rgb;
1492 	// (0x20) UV_VPH - UV vertical phase
1493 	uint16 vertical_phase0_uv;
1494 	uint16 vertical_phase1_uv;
1495 	// (0x24) HORZ_PH - horizontal phase
1496 	uint16 horizontal_phase_rgb;
1497 	uint16 horizontal_phase_uv;
1498 	// (0x28) INIT_PHS - initial phase shift
1499 	uint32 initial_vertical_phase0_shift_rgb0 : 4;
1500 	uint32 initial_vertical_phase1_shift_rgb0 : 4;
1501 	uint32 initial_horizontal_phase_shift_rgb0 : 4;
1502 	uint32 initial_vertical_phase0_shift_uv : 4;
1503 	uint32 initial_vertical_phase1_shift_uv : 4;
1504 	uint32 initial_horizontal_phase_shift_uv : 4;
1505 	uint32 _reserved0 : 8;
1506 	// (0x2c) DWINPOS - destination window position
1507 	uint16 window_left;
1508 	uint16 window_top;
1509 	// (0x30) DWINSZ - destination window size
1510 	uint16 window_width;
1511 	uint16 window_height;
1512 	// (0x34) SWIDTH - source width
1513 	uint16 source_width_rgb;
1514 	uint16 source_width_uv;
1515 	// (0x38) SWITDHSW - source width in 8 byte steps
1516 	uint16 source_bytes_per_row_rgb;
1517 	uint16 source_bytes_per_row_uv;
1518 	uint16 source_height_rgb;
1519 	uint16 source_height_uv;
1520 	overlay_scale scale_rgb;
1521 	overlay_scale scale_uv;
1522 	// (0x48) OCLRC0 - overlay color correction 0
1523 	uint32 brightness_correction : 8;		// signed, -128 to 127
1524 	uint32 _reserved1 : 10;
1525 	uint32 contrast_correction : 9;			// fixed point: 3.6 bits
1526 	uint32 _reserved2 : 5;
1527 	// (0x4c) OCLRC1 - overlay color correction 1
1528 	uint32 saturation_cos_correction : 10;	// fixed point: 3.7 bits
1529 	uint32 _reserved3 : 6;
1530 	uint32 saturation_sin_correction : 11;	// signed fixed point: 3.7 bits
1531 	uint32 _reserved4 : 5;
1532 	// (0x50) DCLRKV - destination color key value
1533 	uint32 color_key_blue : 8;
1534 	uint32 color_key_green : 8;
1535 	uint32 color_key_red : 8;
1536 	uint32 _reserved5 : 8;
1537 	// (0x54) DCLRKM - destination color key mask
1538 	uint32 color_key_mask_blue : 8;
1539 	uint32 color_key_mask_green : 8;
1540 	uint32 color_key_mask_red : 8;
1541 	uint32 _reserved6 : 7;
1542 	uint32 color_key_enabled : 1;
1543 	// (0x58) SCHRKVH - source chroma key high value
1544 	uint32 source_chroma_key_high_red : 8;
1545 	uint32 source_chroma_key_high_blue : 8;
1546 	uint32 source_chroma_key_high_green : 8;
1547 	uint32 _reserved7 : 8;
1548 	// (0x5c) SCHRKVL - source chroma key low value
1549 	uint32 source_chroma_key_low_red : 8;
1550 	uint32 source_chroma_key_low_blue : 8;
1551 	uint32 source_chroma_key_low_green : 8;
1552 	uint32 _reserved8 : 8;
1553 	// (0x60) SCHRKEN - source chroma key enable
1554 	uint32 _reserved9 : 24;
1555 	uint32 source_chroma_key_red_enabled : 1;
1556 	uint32 source_chroma_key_blue_enabled : 1;
1557 	uint32 source_chroma_key_green_enabled : 1;
1558 	uint32 _reserved10 : 5;
1559 	// (0x64) OCONFIG - overlay configuration
1560 	uint32 _reserved11 : 3;
1561 	uint32 color_control_output_mode : 1;
1562 	uint32 yuv_to_rgb_bypass : 1;
1563 	uint32 _reserved12 : 11;
1564 	uint32 gamma2_enabled : 1;
1565 	uint32 _reserved13 : 1;
1566 	uint32 select_pipe : 1;
1567 	uint32 slot_time : 8;
1568 	uint32 _reserved14 : 5;
1569 	// (0x68) OCOMD - overlay command
1570 	uint32 overlay_enabled : 1;
1571 	uint32 active_field : 1;
1572 	uint32 active_buffer : 2;
1573 	uint32 test_mode : 1;
1574 	uint32 buffer_field_mode : 1;
1575 	uint32 _reserved15 : 1;
1576 	uint32 tv_flip_field_enabled : 1;
1577 	uint32 _reserved16 : 1;
1578 	uint32 tv_flip_field_parity : 1;
1579 	uint32 source_format : 4;
1580 	uint32 ycbcr422_order : 2;
1581 	uint32 _reserved18 : 1;
1582 	uint32 mirroring_mode : 2;
1583 	uint32 _reserved19 : 13;
1584 
1585 	uint32 _reserved20;
1586 
1587 	uint32 start_0y;
1588 	uint32 start_1y;
1589 	uint32 start_0u;
1590 	uint32 start_0v;
1591 	uint32 start_1u;
1592 	uint32 start_1v;
1593 	uint32 _reserved21[6];
1594 #if 0
1595 	// (0x70) AWINPOS - alpha blend window position
1596 	uint32 awinpos;
1597 	// (0x74) AWINSZ - alpha blend window size
1598 	uint32 awinsz;
1599 
1600 	uint32 _reserved21[10];
1601 #endif
1602 
1603 	// (0xa0) FASTHSCALE - fast horizontal downscale (strangely enough,
1604 	// the next two registers switch the usual Y/RGB vs. UV order)
1605 	uint16 horizontal_scale_uv;
1606 	uint16 horizontal_scale_rgb;
1607 	// (0xa4) UVSCALEV - vertical downscale
1608 	uint16 vertical_scale_uv;
1609 	uint16 vertical_scale_rgb;
1610 
1611 	uint32 _reserved22[86];
1612 
1613 	// (0x200) polyphase filter coefficients
1614 	uint16 vertical_coefficients_rgb[128];
1615 	uint16 horizontal_coefficients_rgb[128];
1616 
1617 	uint32	_reserved23[64];
1618 
1619 	// (0x500)
1620 	uint16 vertical_coefficients_uv[128];
1621 	uint16 horizontal_coefficients_uv[128];
1622 };
1623 
1624 // i965 overlay support is currently realized using its 3D hardware
1625 #define INTEL_i965_OVERLAY_STATE_SIZE	36864
1626 #define INTEL_i965_3D_CONTEXT_SIZE		32768
1627 
1628 inline bool
1629 intel_uses_physical_overlay(intel_shared_info &info)
1630 {
1631 	return !info.device_type.InGroup(INTEL_GROUP_Gxx);
1632 }
1633 
1634 
1635 struct hardware_status {
1636 	uint32	interrupt_status_register;
1637 	uint32	_reserved0[3];
1638 	void*	primary_ring_head_storage;
1639 	uint32	_reserved1[3];
1640 	void*	secondary_ring_0_head_storage;
1641 	void*	secondary_ring_1_head_storage;
1642 	uint32	_reserved2[2];
1643 	void*	binning_head_storage;
1644 	uint32	_reserved3[3];
1645 	uint32	store[1008];
1646 };
1647 
1648 #endif	/* INTEL_EXTREME_H */
1649