xref: /haiku/headers/private/graphics/intel_extreme/intel_extreme.h (revision ab3c8bea07449c2305e9b9ad10421e316ce1d453)
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_JSL		(INTEL_GROUP_JSL)
96 #define INTEL_MODEL_JSLM	(INTEL_GROUP_JSL | INTEL_TYPE_MOBILE)
97 #define INTEL_MODEL_TGLM	(INTEL_GROUP_TGL | INTEL_TYPE_MOBILE)
98 
99 #define INTEL_PCH_DEVICE_ID_MASK	0xff80
100 #define INTEL_PCH_IBX_DEVICE_ID		0x3b00
101 #define INTEL_PCH_CPT_DEVICE_ID		0x1c00
102 #define INTEL_PCH_PPT_DEVICE_ID		0x1e00
103 #define INTEL_PCH_LPT_DEVICE_ID		0x8c00
104 #define INTEL_PCH_LPT_LP_DEVICE_ID	0x9c00
105 #define INTEL_PCH_WPT_DEVICE_ID		0x8c80
106 #define INTEL_PCH_WPT_LP_DEVICE_ID	0x9c80
107 #define INTEL_PCH_SPT_DEVICE_ID		0xa100
108 #define INTEL_PCH_SPT_LP_DEVICE_ID	0x9d00
109 #define INTEL_PCH_KBP_DEVICE_ID		0xa280
110 #define INTEL_PCH_CNP_DEVICE_ID		0xa300
111 #define INTEL_PCH_CNP_LP_DEVICE_ID	0x9d80
112 #define INTEL_PCH_CMP_DEVICE_ID		0x0280
113 #define INTEL_PCH_CMP2_DEVICE_ID	0x0680
114 #define INTEL_PCH_CMP_V_DEVICE_ID	0xa380
115 #define INTEL_PCH_ICP_DEVICE_ID		0x3480
116 #define INTEL_PCH_MCC_DEVICE_ID		0x4b00
117 #define INTEL_PCH_TGP_DEVICE_ID		0xa080
118 #define INTEL_PCH_TGP2_DEVICE_ID	0x4380
119 #define INTEL_PCH_JSP_DEVICE_ID		0x4d80
120 #define INTEL_PCH_JSP2_DEVICE_ID	0x3880
121 #define INTEL_PCH_ADP_DEVICE_ID		0x7a80
122 #define INTEL_PCH_ADP2_DEVICE_ID	0x5180
123 #define INTEL_PCH_P2X_DEVICE_ID		0x7100
124 #define INTEL_PCH_P3X_DEVICE_ID		0x7000
125 
126 // ValleyView MMIO offset
127 #define VLV_DISPLAY_BASE		0x180000
128 
129 #define DEVICE_NAME				"intel_extreme"
130 #define INTEL_ACCELERANT_NAME	"intel_extreme.accelerant"
131 
132 // We encode the register block into the value and extract/translate it when
133 // actually accessing.
134 #define REGISTER_BLOCK_COUNT				6
135 #define REGISTER_BLOCK_SHIFT				24
136 #define REGISTER_BLOCK_MASK					0xff000000
137 #define REGISTER_REGISTER_MASK				0x00ffffff
138 #define REGISTER_BLOCK(x) ((x & REGISTER_BLOCK_MASK) >> REGISTER_BLOCK_SHIFT)
139 #define REGISTER_REGISTER(x) (x & REGISTER_REGISTER_MASK)
140 
141 #define REGS_FLAT							(0 << REGISTER_BLOCK_SHIFT)
142 #define REGS_NORTH_SHARED					(1 << REGISTER_BLOCK_SHIFT)
143 #define REGS_NORTH_PIPE_AND_PORT			(2 << REGISTER_BLOCK_SHIFT)
144 #define REGS_NORTH_PLANE_CONTROL			(3 << REGISTER_BLOCK_SHIFT)
145 #define REGS_SOUTH_SHARED					(4 << REGISTER_BLOCK_SHIFT)
146 #define REGS_SOUTH_TRANSCODER_PORT			(5 << REGISTER_BLOCK_SHIFT)
147 
148 // register blocks for (G)MCH/ICH based platforms
149 #define MCH_SHARED_REGISTER_BASE						0x00000
150 #define MCH_PIPE_AND_PORT_REGISTER_BASE					0x60000
151 #define MCH_PLANE_CONTROL_REGISTER_BASE					0x70000
152 
153 #define ICH_SHARED_REGISTER_BASE						0x00000
154 #define ICH_PORT_REGISTER_BASE							0x60000
155 
156 // PCH - Platform Control Hub - Some hardware moves from a MCH/ICH based
157 // setup to a PCH based one, that means anything that used to communicate via
158 // (G)MCH registers needs to use different ones on PCH based platforms
159 // (Ironlake, SandyBridge, IvyBridge, Some Haswell).
160 #define PCH_NORTH_SHARED_REGISTER_BASE					0x40000
161 #define PCH_NORTH_PIPE_AND_PORT_REGISTER_BASE			0x60000
162 #define PCH_NORTH_PLANE_CONTROL_REGISTER_BASE			0x70000
163 #define PCH_SOUTH_SHARED_REGISTER_BASE					0xc0000
164 #define PCH_SOUTH_TRANSCODER_AND_PORT_REGISTER_BASE		0xe0000
165 
166 
167 struct DeviceType {
168 	uint32			type;
169 
170 	DeviceType(int t)
171 	{
172 		type = t;
173 	}
174 
175 	DeviceType& operator=(int t)
176 	{
177 		type = t;
178 		return *this;
179 	}
180 
181 	bool InFamily(uint32 family) const
182 	{
183 		return (type & INTEL_FAMILY_MASK) == family;
184 	}
185 
186 	bool InGroup(uint32 group) const
187 	{
188 		return (type & INTEL_GROUP_MASK) == group;
189 	}
190 
191 	bool IsModel(uint32 model) const
192 	{
193 		return (type & INTEL_MODEL_MASK) == model;
194 	}
195 
196 	bool IsMobile() const
197 	{
198 		return (type & INTEL_TYPE_MASK) == INTEL_TYPE_MOBILE;
199 	}
200 
201 	bool SupportsHDMI() const
202 	{
203 		return InGroup(INTEL_GROUP_G4x) || InFamily(INTEL_FAMILY_SER5)
204 			|| InFamily(INTEL_FAMILY_SOC0);
205 	}
206 
207 	bool HasDDI() const
208 	{
209 		// Intel Digital Display Interface
210 		return InGroup(INTEL_GROUP_HAS) || (Generation() >= 8);
211 	}
212 
213 	int Generation() const
214 	{
215 		if (InFamily(INTEL_FAMILY_8xx))
216 			return 2;
217 		if (InGroup(INTEL_GROUP_91x) || InGroup(INTEL_GROUP_94x)
218 				|| IsModel(INTEL_MODEL_G33) || InGroup(INTEL_GROUP_PIN))
219 			return 3;
220 		if (InFamily(INTEL_FAMILY_9xx))
221 			return 4;
222 		if (InGroup(INTEL_GROUP_ILK))
223 			return 5;
224 		if (InGroup(INTEL_GROUP_SNB))
225 			return 6;
226 		if (InFamily(INTEL_FAMILY_SER5) || InGroup(INTEL_GROUP_VLV))
227 			return 7;
228 		if (InGroup(INTEL_GROUP_CHV) || InGroup(INTEL_GROUP_BDW))
229 			return 8;
230 		if (InGroup(INTEL_GROUP_JSL))
231 			return 11;
232 		if (InGroup(INTEL_GROUP_TGL))
233 			return 12;
234 		if (InFamily(INTEL_FAMILY_LAKE))
235 			return 9;
236 
237 		// Generation 0 means something is wrong :-)
238 		return 0;
239 	}
240 };
241 
242 enum port_index {
243 	INTEL_PORT_ANY,				// wildcard for lookup functions
244 	INTEL_PORT_A,
245 	INTEL_PORT_B,
246 	INTEL_PORT_C,
247 	INTEL_PORT_D,
248 	INTEL_PORT_E,
249 	INTEL_PORT_F
250 };
251 
252 enum pch_info {
253 	INTEL_PCH_NONE = 0,		// No PCH present
254 	INTEL_PCH_IBX,			// Ibexpeak
255 	INTEL_PCH_CPT,			// Cougarpoint
256 	INTEL_PCH_LPT,			// Lynxpoint
257 	INTEL_PCH_SPT,			// SunrisePoint
258 	INTEL_PCH_CNP,			// CannonLake
259 	INTEL_PCH_ICP,			// IceLake
260 	INTEL_PCH_JSP,			// JasperLake
261 	INTEL_PCH_MCC,			// Mule Creek Canyon
262 	INTEL_PCH_TGP,			// TigerLake
263 	INTEL_PCH_ADP,			// AlderLake
264 	INTEL_PCH_NOP
265 };
266 
267 // info about PLL on graphics card
268 struct pll_info {
269 	uint32			reference_frequency;
270 	uint32			max_frequency;
271 	uint32			min_frequency;
272 	uint32			divisor_register;
273 };
274 
275 struct ring_buffer {
276 	struct lock		lock;
277 	uint32			register_base;
278 	uint32			offset;
279 	uint32			size;
280 	uint32			position;
281 	uint32			space_left;
282 	uint8*			base;
283 };
284 
285 struct overlay_registers;
286 
287 struct intel_shared_info {
288 	area_id			mode_list_area;		// area containing display mode list
289 	uint32			mode_count;
290 
291 	display_mode	current_mode;		// pretty much a hack until per-display modes
292 	display_timing	panel_timing;		// Hardware timings of the LVDS panel, extracted from BIOS
293 	uint32			bytes_per_row;
294 	uint32			bits_per_pixel;
295 	uint32			dpms_mode;
296 	uint16			min_brightness;
297 
298 	area_id			registers_area;		// area of memory mapped registers
299 	uint32			register_blocks[REGISTER_BLOCK_COUNT];
300 
301 	uint8*			status_page;
302 	phys_addr_t		physical_status_page;
303 	uint8*			graphics_memory;
304 	phys_addr_t		physical_graphics_memory;
305 	uint32			graphics_memory_size;
306 
307 	addr_t			frame_buffer;
308 	uint32			frame_buffer_offset;
309 
310 	uint32			fdi_link_frequency;	// In Mhz
311 
312 	bool			got_vbt;
313 	bool			single_head_locked;
314 
315 	struct lock		accelerant_lock;
316 	struct lock		engine_lock;
317 
318 	ring_buffer		primary_ring_buffer;
319 
320 	int32			overlay_channel_used;
321 	bool			overlay_active;
322 	uintptr_t		overlay_token;
323 	phys_addr_t		physical_overlay_registers;
324 	uint32			overlay_offset;
325 
326 	bool			hardware_cursor_enabled;
327 	sem_id			vblank_sem;
328 
329 	uint8*			cursor_memory;
330 	phys_addr_t		physical_cursor_memory;
331 	uint32			cursor_buffer_offset;
332 	uint32			cursor_format;
333 	bool			cursor_visible;
334 	uint16			cursor_hot_x;
335 	uint16			cursor_hot_y;
336 
337 	DeviceType		device_type;
338 	char			device_identifier[32];
339 	struct pll_info	pll_info;
340 
341 	enum pch_info	pch_info;
342 
343 	edid1_info		vesa_edid_info;
344 	bool			has_vesa_edid_info;
345 };
346 
347 enum pipe_index {
348     INTEL_PIPE_ANY,
349     INTEL_PIPE_A,
350     INTEL_PIPE_B,
351     INTEL_PIPE_C,
352     INTEL_PIPE_D
353 };
354 
355 class pipes {
356 public:
357 	pipes() : bitmask(0) {}
358 
359 	bool HasPipe(pipe_index pipe)
360 	{
361 		if (pipe == INTEL_PIPE_ANY)
362 			return bitmask != 0;
363 
364 		return (bitmask & (1 << pipe)) != 0;
365 	}
366 
367 	void SetPipe(pipe_index pipe)
368 	{
369 		if (pipe == INTEL_PIPE_ANY) {
370 			bitmask = ~1;
371 				// first bit corresponds to INTEL_PIPE_ANY but it's never used,
372 				// so it should be 0
373 		}
374 		bitmask |= (1 << pipe);
375 	}
376 
377 	void ClearPipe(pipe_index pipe)
378 	{
379 		if (pipe == INTEL_PIPE_ANY)
380 			bitmask = 0;
381 
382 		bitmask &= ~(1 << pipe);
383 	}
384 
385 private:
386 	uint8 bitmask;
387 };
388 
389 //----------------- ioctl() interface ----------------
390 
391 // magic code for ioctls
392 #define INTEL_PRIVATE_DATA_MAGIC		'itic'
393 
394 // list ioctls
395 enum {
396 	INTEL_GET_PRIVATE_DATA = B_DEVICE_OP_CODES_END + 1,
397 
398 	INTEL_GET_DEVICE_NAME,
399 	INTEL_ALLOCATE_GRAPHICS_MEMORY,
400 	INTEL_FREE_GRAPHICS_MEMORY
401 };
402 
403 // retrieve the area_id of the kernel/accelerant shared info
404 struct intel_get_private_data {
405 	uint32	magic;				// magic number
406 	area_id	shared_info_area;
407 };
408 
409 // allocate graphics memory
410 struct intel_allocate_graphics_memory {
411 	uint32	magic;
412 	uint32	size;
413 	uint32	alignment;
414 	uint32	flags;
415 	addr_t	buffer_base;
416 };
417 
418 // free graphics memory
419 struct intel_free_graphics_memory {
420 	uint32 	magic;
421 	addr_t	buffer_base;
422 };
423 
424 //----------------------------------------------------------
425 // Register definitions, taken from X driver
426 
427 // PCI bridge memory management
428 #define INTEL_GRAPHICS_MEMORY_CONTROL	0x52		// i830+
429 
430 	// GGC - (G)MCH Graphics Control Register
431 #define MEMORY_CONTROL_ENABLED			0x0004
432 #define MEMORY_MASK						0x0001
433 #define STOLEN_MEMORY_MASK				0x00f0
434 #define i965_GTT_MASK					0x000e
435 #define G33_GTT_MASK					0x0300
436 #define G4X_GTT_MASK					0x0f00	// GGMS (GSM Memory Size) mask
437 
438 // models i830 and up
439 #define i830_LOCAL_MEMORY_ONLY			0x10
440 #define i830_STOLEN_512K				0x20
441 #define i830_STOLEN_1M					0x30
442 #define i830_STOLEN_8M					0x40
443 #define i830_FRAME_BUFFER_64M			0x01
444 #define i830_FRAME_BUFFER_128M			0x00
445 
446 // models i855 and up
447 #define i855_STOLEN_MEMORY_1M			0x10
448 #define i855_STOLEN_MEMORY_4M			0x20
449 #define i855_STOLEN_MEMORY_8M			0x30
450 #define i855_STOLEN_MEMORY_16M			0x40
451 #define i855_STOLEN_MEMORY_32M			0x50
452 #define i855_STOLEN_MEMORY_48M			0x60
453 #define i855_STOLEN_MEMORY_64M			0x70
454 #define i855_STOLEN_MEMORY_128M			0x80
455 #define i855_STOLEN_MEMORY_256M			0x90
456 
457 #define G4X_STOLEN_MEMORY_96MB			0xa0	// GMS - Graphics Mode Select
458 #define G4X_STOLEN_MEMORY_160MB			0xb0
459 #define G4X_STOLEN_MEMORY_224MB			0xc0
460 #define G4X_STOLEN_MEMORY_352MB			0xd0
461 
462 // SandyBridge (SNB)
463 
464 #define SNB_GRAPHICS_MEMORY_CONTROL		0x50
465 
466 #define SNB_STOLEN_MEMORY_MASK			0xf8
467 #define SNB_STOLEN_MEMORY_32MB			(1 << 3)
468 #define SNB_STOLEN_MEMORY_64MB			(2 << 3)
469 #define SNB_STOLEN_MEMORY_96MB			(3 << 3)
470 #define SNB_STOLEN_MEMORY_128MB			(4 << 3)
471 #define SNB_STOLEN_MEMORY_160MB			(5 << 3)
472 #define SNB_STOLEN_MEMORY_192MB			(6 << 3)
473 #define SNB_STOLEN_MEMORY_224MB			(7 << 3)
474 #define SNB_STOLEN_MEMORY_256MB			(8 << 3)
475 #define SNB_STOLEN_MEMORY_288MB			(9 << 3)
476 #define SNB_STOLEN_MEMORY_320MB			(10 << 3)
477 #define SNB_STOLEN_MEMORY_352MB			(11 << 3)
478 #define SNB_STOLEN_MEMORY_384MB			(12 << 3)
479 #define SNB_STOLEN_MEMORY_416MB			(13 << 3)
480 #define SNB_STOLEN_MEMORY_448MB			(14 << 3)
481 #define SNB_STOLEN_MEMORY_480MB			(15 << 3)
482 #define SNB_STOLEN_MEMORY_512MB			(16 << 3)
483 
484 #define SNB_GTT_SIZE_MASK				(3 << 8)
485 #define SNB_GTT_SIZE_NONE				(0 << 8)
486 #define SNB_GTT_SIZE_1MB				(1 << 8)
487 #define SNB_GTT_SIZE_2MB				(2 << 8)
488 
489 // BDW+ (GGC_0_0_0_PCI)
490 
491 #define BDW_GRAPHICS_MEMORY_CONTROL		0x50
492 
493 #define BDW_STOLEN_MEMORY_MASK			0xff00
494 #define BDW_STOLEN_MEMORY_32MB			(1 << 8)
495 #define BDW_STOLEN_MEMORY_64MB			(2 << 8)
496 #define BDW_STOLEN_MEMORY_96MB			(3 << 8)
497 #define BDW_STOLEN_MEMORY_128MB			(4 << 8)
498 #define BDW_STOLEN_MEMORY_160MB			(5 << 8)
499 #define BDW_STOLEN_MEMORY_192MB			(6 << 8)
500 #define BDW_STOLEN_MEMORY_224MB			(7 << 8)
501 #define BDW_STOLEN_MEMORY_256MB			(8 << 8)
502 #define BDW_STOLEN_MEMORY_288MB			(9 << 8)
503 #define BDW_STOLEN_MEMORY_320MB			(10 << 8)
504 #define BDW_STOLEN_MEMORY_352MB			(11 << 8)
505 #define BDW_STOLEN_MEMORY_384MB			(12 << 8)
506 #define BDW_STOLEN_MEMORY_416MB			(13 << 8)
507 #define BDW_STOLEN_MEMORY_448MB			(14 << 8)
508 #define BDW_STOLEN_MEMORY_480MB			(15 << 8)
509 #define BDW_STOLEN_MEMORY_512MB			(16 << 8)
510 #define BDW_STOLEN_MEMORY_1024MB		(32 << 8)
511 #define BDW_STOLEN_MEMORY_1536MB		(48 << 8)
512 #define BDW_STOLEN_MEMORY_2016MB		(63 << 8)
513 #define SKL_STOLEN_MEMORY_2048MB		(64 << 8)
514 #define SKL_STOLEN_MEMORY_4MB			(240 << 8)
515 #define SKL_STOLEN_MEMORY_8MB			(241 << 8)
516 #define SKL_STOLEN_MEMORY_12MB			(242 << 8)
517 #define SKL_STOLEN_MEMORY_16MB			(243 << 8)
518 #define SKL_STOLEN_MEMORY_20MB			(244 << 8)
519 #define SKL_STOLEN_MEMORY_24MB			(245 << 8)
520 #define SKL_STOLEN_MEMORY_28MB			(246 << 8)
521 #define SKL_STOLEN_MEMORY_32MB			(247 << 8)
522 #define SKL_STOLEN_MEMORY_36MB			(248 << 8)
523 #define SKL_STOLEN_MEMORY_40MB			(249 << 8)
524 #define SKL_STOLEN_MEMORY_44MB			(250 << 8)
525 #define SKL_STOLEN_MEMORY_48MB			(251 << 8)
526 #define SKL_STOLEN_MEMORY_52MB			(252 << 8)
527 #define SKL_STOLEN_MEMORY_56MB			(253 << 8)
528 #define SKL_STOLEN_MEMORY_60MB			(254 << 8)
529 
530 
531 #define BDW_GTT_SIZE_MASK				(3 << 6)
532 #define BDW_GTT_SIZE_NONE				(0 << 6)
533 #define BDW_GTT_SIZE_2MB				(1 << 6)
534 #define BDW_GTT_SIZE_4MB				(2 << 6)
535 #define BDW_GTT_SIZE_8MB				(3 << 6)
536 
537 // graphics page translation table
538 #define INTEL_PAGE_TABLE_CONTROL		0x02020
539 #define PAGE_TABLE_ENABLED				0x00000001
540 #define INTEL_PAGE_TABLE_ERROR			0x02024
541 #define INTEL_HARDWARE_STATUS_PAGE		0x02080
542 #define i915_GTT_BASE					0x1c
543 #define i830_GTT_BASE					0x10000	// (- 0x2ffff)
544 #define i830_GTT_SIZE					0x20000
545 #define i965_GTT_BASE					0x80000	// (- 0xfffff)
546 #define i965_GTT_SIZE					0x80000
547 #define i965_GTT_128K					(2 << 1)
548 #define i965_GTT_256K					(1 << 1)
549 #define i965_GTT_512K					(0 << 1)
550 #define G33_GTT_1M						(1 << 8)
551 #define G33_GTT_2M						(2 << 8)
552 #define G4X_GTT_NONE					0x000	// GGMS - GSM Memory Size
553 #define G4X_GTT_1M_NO_IVT				0x100	// no Intel Virtualization Tech.
554 #define G4X_GTT_2M_NO_IVT				0x300
555 #define G4X_GTT_2M_IVT					0x900	// with Intel Virt. Tech.
556 #define G4X_GTT_3M_IVT					0xa00
557 #define G4X_GTT_4M_IVT					0xb00
558 
559 
560 #define GTT_ENTRY_VALID					0x01
561 #define GTT_ENTRY_LOCAL_MEMORY			0x02
562 #define GTT_PAGE_SHIFT					12
563 
564 
565 // ring buffer
566 #define INTEL_PRIMARY_RING_BUFFER		0x02030
567 #define INTEL_SECONDARY_RING_BUFFER_0	0x02100
568 #define INTEL_SECONDARY_RING_BUFFER_1	0x02110
569 // offsets for the ring buffer base registers above
570 #define RING_BUFFER_TAIL				0x0
571 #define RING_BUFFER_HEAD				0x4
572 #define RING_BUFFER_START				0x8
573 #define RING_BUFFER_CONTROL				0xc
574 #define INTEL_RING_BUFFER_SIZE_MASK		0x001ff000
575 #define INTEL_RING_BUFFER_HEAD_MASK		0x001ffffc
576 #define INTEL_RING_BUFFER_ENABLED		1
577 
578 // interrupts
579 #define INTEL_INTERRUPT_ENABLED			0x020a0
580 #define INTEL_INTERRUPT_IDENTITY		0x020a4
581 #define INTEL_INTERRUPT_MASK			0x020a8
582 #define INTEL_INTERRUPT_STATUS			0x020ac
583 #define INTERRUPT_VBLANK_PIPEA			(1 << 7)
584 #define INTERRUPT_VBLANK_PIPEB			(1 << 5)
585 
586 // PCH interrupts
587 #define PCH_INTERRUPT_STATUS			0x44000
588 #define PCH_INTERRUPT_MASK				0x44004
589 #define PCH_INTERRUPT_IDENTITY			0x44008
590 #define PCH_INTERRUPT_ENABLED			0x4400c
591 
592 #define PCH_INTERRUPT_VBLANK_PIPEA		(1 << 0)
593 #define PCH_INTERRUPT_VBLANK_PIPEB		(1 << 5)
594 #define PCH_INTERRUPT_VBLANK_PIPEC		(1 << 10)
595 
596 // SandyBridge had only two pipes, and things were shuffled aroud again with
597 // the introduction of pipe C.
598 #define PCH_INTERRUPT_VBLANK_PIPEA_SNB		(1 << 7)
599 #define PCH_INTERRUPT_VBLANK_PIPEB_SNB		(1 << 15)
600 #define PCH_INTERRUPT_GLOBAL_SNB			(1 << 31)
601 
602 #define PCH_MASTER_INT_CTL_BDW					0x44200
603 
604 #define PCH_MASTER_INT_CTL_PIPE_PENDING_BDW(pipe)	(1 << (15 + pipe))
605 #define GEN8_DE_PORT_IRQ						(1 << 20)
606 #define PCH_MASTER_INT_CTL_GLOBAL_BDW			(1 << 31)
607 
608 #define PCH_INTERRUPT_PIPE_STATUS_BDW(pipe)		(0x44400 + (pipe - 1) * 0x10)	// GEN8_DE_PIPE_ISR
609 #define PCH_INTERRUPT_PIPE_MASK_BDW(pipe)		(0x44404 + (pipe - 1) * 0x10)	// GEN8_DE_PIPE_IMR
610 #define PCH_INTERRUPT_PIPE_IDENTITY_BDW(pipe)	(0x44408 + (pipe - 1) * 0x10)	// GEN8_DE_PIPE_IIR
611 #define PCH_INTERRUPT_PIPE_ENABLED_BDW(pipe)	(0x4440c + (pipe - 1) * 0x10)	// GEN8_DE_PIPE_IER
612 
613 #define GEN8_DE_PORT_ISR						0x44440
614 #define GEN8_DE_PORT_IMR						0x44444
615 #define GEN8_DE_PORT_IIR						0x44448
616 #define GEN8_DE_PORT_IER						0x4444c
617 #define		GEN8_AUX_CHANNEL_A					(1 << 0)
618 #define		GEN9_AUX_CHANNEL_B					(1 << 25)
619 #define		GEN9_AUX_CHANNEL_C					(1 << 26)
620 #define		GEN9_AUX_CHANNEL_D					(1 << 27)
621 #define		CNL_AUX_CHANNEL_F					(1 << 28)
622 #define		ICL_AUX_CHANNEL_E					(1 << 29)
623 
624 #define GEN8_DE_MISC_ISR						0x44460
625 #define GEN8_DE_MISC_IMR						0x44464
626 #define GEN8_DE_MISC_IIR						0x44468
627 #define GEN8_DE_MISC_IER						0x4446c
628 #define		GEN8_DE_EDP_PSR						(1 << 19)
629 
630 #define PCH_INTERRUPT_VBLANK_BDW				(1 << 0)						// GEN8_PIPE_VBLANK
631 #define GEN8_PIPE_VSYNC							(1 << 1)
632 #define GEN8_PIPE_SCAN_LINE_EVENT				(1 << 2)
633 
634 #define GEN11_DISPLAY_INT_CTL					0x44200			// same as PCH_MASTER_INT_CTL_BDW
635 #define GEN11_GFX_MSTR_IRQ						0x190010
636 #define GEN11_MASTER_IRQ						(1 << 31)
637 #define GEN11_DISPLAY_IRQ						(1 << 16)
638 #define GEN11_GT_DW1_IRQ						(1 << 1)
639 #define GEN11_GT_DW0_IRQ						(1 << 0)
640 
641 #define GEN11_GT_INTR_DW0						0x190018
642 #define GEN11_GT_INTR_DW1						0x19001c
643 
644 #define GEN11_GU_MISC_IMR						0x444f4
645 #define GEN11_GU_MISC_IIR						0x444f8
646 #define GEN11_GU_MISC_IER						0x444fc
647 #define 	GEN11_GU_MISC_GSE					(1 << 27)
648 
649 
650 // graphics port control (i.e. G45)
651 #define DISPLAY_MONITOR_PORT_ENABLED	(1UL << 31)
652 #define DISPLAY_MONITOR_PIPE_B			(1UL << 30)
653 #define DISPLAY_MONITOR_VGA_POLARITY	(1UL << 15)
654 #define DISPLAY_MONITOR_MODE_MASK		(3UL << 10)
655 #define DISPLAY_MONITOR_ON				0
656 #define DISPLAY_MONITOR_SUSPEND			(1UL << 10)
657 #define DISPLAY_MONITOR_STAND_BY		(2UL << 10)
658 #define DISPLAY_MONITOR_OFF				(3UL << 10)
659 #define DISPLAY_MONITOR_POLARITY_MASK	(3UL << 3)
660 #define DISPLAY_MONITOR_POSITIVE_HSYNC	(1UL << 3)
661 #define DISPLAY_MONITOR_POSITIVE_VSYNC	(2UL << 3)
662 #define DISPLAY_MONITOR_PORT_DETECTED	(1UL << 2) // TMDS/DisplayPort only
663 
664 // Cougar Point transcoder pipe selection
665 // (replaces DISPLAY_MONITOR_PIPE_B)
666 #define  PORT_TRANS_A_SEL_CPT			0
667 #define  PORT_TRANS_B_SEL_CPT			(1<<29)
668 #define  PORT_TRANS_C_SEL_CPT			(2<<29)
669 #define  PORT_TRANS_SEL_MASK			(3<<29)
670 
671 #define LVDS_POST2_RATE_SLOW			14 // PLL Divisors
672 #define LVDS_POST2_RATE_FAST			7
673 #define LVDS_B0B3_POWER_MASK			(3UL << 2)
674 #define LVDS_B0B3_POWER_UP				(3UL << 2)
675 #define LVDS_CLKB_POWER_MASK			(3UL << 4)
676 #define LVDS_CLKB_POWER_UP				(3UL << 4)
677 #define LVDS_A3_POWER_MASK				(3UL << 6)
678 #define LVDS_A3_POWER_UP				(3UL << 6)
679 #define LVDS_A0A2_CLKA_POWER_UP			(3UL << 8)
680 #define LVDS_BORDER_ENABLE				(1UL << 15)
681 #define LVDS_HSYNC_POLARITY				(1UL << 20)
682 #define LVDS_VSYNC_POLARITY				(1UL << 21)
683 #define LVDS_18BIT_DITHER				(1UL << 25)
684 #define LVDS_PORT_EN					(1UL << 31)
685 
686 // PLL flags (pre-DDI)
687 #define DISPLAY_PLL_ENABLED				(1UL << 31)
688 #define DISPLAY_PLL_2X_CLOCK			(1UL << 30)
689 #define DISPLAY_PLL_SYNC_LOCK_ENABLED	(1UL << 29)
690 #define DISPLAY_PLL_NO_VGA_CONTROL		(1UL << 28)
691 #define DISPLAY_PLL_MODE_NORMAL			(1UL << 26)
692 #define DISPLAY_PLL_MODE_LVDS			(2UL << 26)
693 #define DISPLAY_PLL_DIVIDE_HIGH			(1UL << 24)
694 #define DISPLAY_PLL_DIVIDE_4X			(1UL << 23)
695 #define DISPLAY_PLL_POST1_DIVIDE_2		(1UL << 21)
696 #define DISPLAY_PLL_POST1_DIVISOR_MASK	0x001f0000
697 #define DISPLAY_PLL_9xx_POST1_DIVISOR_MASK	0x00ff0000
698 #define DISPLAY_PLL_SNB_FP0_POST1_DIVISOR_MASK	0x000000ff
699 #define DISPLAY_PLL_IGD_POST1_DIVISOR_MASK  0x00ff8000
700 #define DISPLAY_PLL_POST1_DIVISOR_SHIFT	16
701 #define DISPLAY_PLL_SNB_FP0_POST1_DIVISOR_SHIFT	0
702 #define DISPLAY_PLL_IGD_POST1_DIVISOR_SHIFT	15
703 #define DISPLAY_PLL_DIVISOR_1			(1UL << 8)
704 #define DISPLAY_PLL_N_DIVISOR_MASK		0x001f0000
705 #define DISPLAY_PLL_IGD_N_DIVISOR_MASK	0x00ff0000
706 #define DISPLAY_PLL_M1_DIVISOR_MASK		0x00001f00
707 #define DISPLAY_PLL_M2_DIVISOR_MASK		0x0000001f
708 #define DISPLAY_PLL_IGD_M2_DIVISOR_MASK	0x000000ff
709 #define DISPLAY_PLL_N_DIVISOR_SHIFT		16
710 #define DISPLAY_PLL_M1_DIVISOR_SHIFT	8
711 #define DISPLAY_PLL_M2_DIVISOR_SHIFT	0
712 #define DISPLAY_PLL_PULSE_PHASE_SHIFT	9
713 
714 // Skylake PLLs
715 #define SKL_DPLL1_CFGCR1				(0xc040 | REGS_NORTH_PIPE_AND_PORT)
716 #define SKL_DPLL1_CFGCR2				(0xc044 | REGS_NORTH_PIPE_AND_PORT)
717 #define SKL_DPLL2_CFGCR1				(0xc048 | REGS_NORTH_PIPE_AND_PORT)
718 #define SKL_DPLL2_CFGCR2				(0xc04c | REGS_NORTH_PIPE_AND_PORT)
719 #define SKL_DPLL3_CFGCR1				(0xc050 | REGS_NORTH_PIPE_AND_PORT)
720 #define SKL_DPLL3_CFGCR2				(0xc054 | REGS_NORTH_PIPE_AND_PORT)
721 // These exist also still in CoffeeLake (confirmed):
722 #define SKL_DPLL_CTRL1					(0xc058 | REGS_NORTH_PIPE_AND_PORT)
723 #define SKL_DPLL_CTRL2					(0xc05c | REGS_NORTH_PIPE_AND_PORT)
724 #define SKL_DPLL_STATUS					(0xc060 | REGS_NORTH_PIPE_AND_PORT)
725 #define SKL_DPLL0_DP_LINKRATE_SHIFT		1
726 #define SKL_DPLL1_DP_LINKRATE_SHIFT		7
727 #define SKL_DPLL2_DP_LINKRATE_SHIFT		13
728 #define SKL_DPLL3_DP_LINKRATE_SHIFT		19
729 #define SKL_DPLL_DP_LINKRATE_MASK		7
730 #define SKL_DPLL_CTRL1_2700				0
731 #define SKL_DPLL_CTRL1_1350				1
732 #define SKL_DPLL_CTRL1_810				2
733 #define SKL_DPLL_CTRL1_1620				3
734 #define SKL_DPLL_CTRL1_1080				4
735 #define SKL_DPLL_CTRL1_2160				5
736 
737 // Icelake PLLs
738 #define ICL_DSSM						0x51004
739 #define ICL_DSSM_REF_FREQ_SHIFT			29
740 #define ICL_DSSM_REF_FREQ_MASK			(7 << ICL_DSSM_REF_FREQ_SHIFT)
741 #define ICL_DSSM_24000					0
742 #define ICL_DSSM_19200					1
743 #define ICL_DSSM_38400					2
744 
745 // display
746 
747 #define INTEL_DISPLAY_OFFSET			0x1000
748 
749 // Note: on Skylake below registers are part of the transcoder
750 #define INTEL_DISPLAY_A_HTOTAL			(0x0000 | REGS_NORTH_PIPE_AND_PORT)
751 #define INTEL_DISPLAY_A_HBLANK			(0x0004 | REGS_NORTH_PIPE_AND_PORT)
752 #define INTEL_DISPLAY_A_HSYNC			(0x0008 | REGS_NORTH_PIPE_AND_PORT)
753 #define INTEL_DISPLAY_A_VTOTAL			(0x000c | REGS_NORTH_PIPE_AND_PORT)
754 #define INTEL_DISPLAY_A_VBLANK			(0x0010 | REGS_NORTH_PIPE_AND_PORT)
755 #define INTEL_DISPLAY_A_VSYNC			(0x0014 | REGS_NORTH_PIPE_AND_PORT)
756 #define INTEL_DISPLAY_B_HTOTAL			(0x1000 | REGS_NORTH_PIPE_AND_PORT)
757 #define INTEL_DISPLAY_B_HBLANK			(0x1004 | REGS_NORTH_PIPE_AND_PORT)
758 #define INTEL_DISPLAY_B_HSYNC			(0x1008 | REGS_NORTH_PIPE_AND_PORT)
759 #define INTEL_DISPLAY_B_VTOTAL			(0x100c | REGS_NORTH_PIPE_AND_PORT)
760 #define INTEL_DISPLAY_B_VBLANK			(0x1010 | REGS_NORTH_PIPE_AND_PORT)
761 #define INTEL_DISPLAY_B_VSYNC			(0x1014 | REGS_NORTH_PIPE_AND_PORT)
762 
763 #define INTEL_DISPLAY_A_PIPE_SIZE		(0x001c | REGS_NORTH_PIPE_AND_PORT)
764 #define INTEL_DISPLAY_B_PIPE_SIZE		(0x101c | REGS_NORTH_PIPE_AND_PORT)
765 
766 //G45 displayport link
767 #define INTEL_PIPE_A_DATA_M				(0x0050 | REGS_NORTH_PLANE_CONTROL)
768 #define INTEL_PIPE_B_DATA_M				(0x1050 | REGS_NORTH_PLANE_CONTROL)
769 #define INTEL_PIPE_A_DATA_N				(0x0054 | REGS_NORTH_PLANE_CONTROL)
770 #define INTEL_PIPE_B_DATA_N				(0x1054 | REGS_NORTH_PLANE_CONTROL)
771 #define INTEL_PIPE_A_LINK_M				(0x0060 | REGS_NORTH_PLANE_CONTROL)
772 #define INTEL_PIPE_B_LINK_M				(0x1060 | REGS_NORTH_PLANE_CONTROL)
773 #define INTEL_PIPE_A_LINK_N				(0x0064 | REGS_NORTH_PLANE_CONTROL)
774 #define INTEL_PIPE_B_LINK_N				(0x1064 | REGS_NORTH_PLANE_CONTROL)
775 
776 //DDI port link
777 #define INTEL_DDI_PIPE_A_DATA_M			(0x0030 | REGS_NORTH_PIPE_AND_PORT)
778 #define INTEL_DDI_PIPE_B_DATA_M			(0x1030 | REGS_NORTH_PIPE_AND_PORT)
779 #define INTEL_DDI_PIPE_A_DATA_N			(0x0034 | REGS_NORTH_PIPE_AND_PORT)
780 #define INTEL_DDI_PIPE_B_DATA_N			(0x1034 | REGS_NORTH_PIPE_AND_PORT)
781 #define INTEL_DDI_PIPE_A_LINK_M			(0x0040 | REGS_NORTH_PIPE_AND_PORT)
782 #define INTEL_DDI_PIPE_B_LINK_M			(0x1040 | REGS_NORTH_PIPE_AND_PORT)
783 #define INTEL_DDI_PIPE_A_LINK_N			(0x0044 | REGS_NORTH_PIPE_AND_PORT)
784 #define INTEL_DDI_PIPE_B_LINK_N			(0x1044 | REGS_NORTH_PIPE_AND_PORT)
785 
786 // on PCH we also have to set the transcoder
787 #define INTEL_TRANSCODER_A_HTOTAL		(0x0000 | REGS_SOUTH_TRANSCODER_PORT)
788 #define INTEL_TRANSCODER_A_HBLANK		(0x0004 | REGS_SOUTH_TRANSCODER_PORT)
789 #define INTEL_TRANSCODER_A_HSYNC		(0x0008 | REGS_SOUTH_TRANSCODER_PORT)
790 #define INTEL_TRANSCODER_A_VTOTAL		(0x000c | REGS_SOUTH_TRANSCODER_PORT)
791 #define INTEL_TRANSCODER_A_VBLANK		(0x0010 | REGS_SOUTH_TRANSCODER_PORT)
792 #define INTEL_TRANSCODER_A_VSYNC		(0x0014 | REGS_SOUTH_TRANSCODER_PORT)
793 #define INTEL_TRANSCODER_B_HTOTAL		(0x1000 | REGS_SOUTH_TRANSCODER_PORT)
794 #define INTEL_TRANSCODER_B_HBLANK		(0x1004 | REGS_SOUTH_TRANSCODER_PORT)
795 #define INTEL_TRANSCODER_B_HSYNC		(0x1008 | REGS_SOUTH_TRANSCODER_PORT)
796 #define INTEL_TRANSCODER_B_VTOTAL		(0x100c | REGS_SOUTH_TRANSCODER_PORT)
797 #define INTEL_TRANSCODER_B_VBLANK		(0x1010 | REGS_SOUTH_TRANSCODER_PORT)
798 #define INTEL_TRANSCODER_B_VSYNC		(0x1014 | REGS_SOUTH_TRANSCODER_PORT)
799 
800 // transcoder M/N DATA AND LINK VALUES (refreshrate)
801 #define INTEL_TRANSCODER_A_DATA_M1			(0x0030 | REGS_SOUTH_TRANSCODER_PORT)
802 #define INTEL_TRANSCODER_A_DATA_M2			(0x0038 | REGS_SOUTH_TRANSCODER_PORT)
803 #define INTEL_TRANSCODER_B_DATA_M1			(0x1030 | REGS_SOUTH_TRANSCODER_PORT)
804 #define INTEL_TRANSCODER_B_DATA_M2			(0x1038 | REGS_SOUTH_TRANSCODER_PORT)
805 #define INTEL_TRANSCODER_C_DATA_M1			(0x2030 | REGS_SOUTH_TRANSCODER_PORT)
806 #define INTEL_TRANSCODER_C_DATA_M2			(0x2038 | REGS_SOUTH_TRANSCODER_PORT)
807 #define INTEL_TRANSCODER_A_DATA_N1			(0x0034 | REGS_SOUTH_TRANSCODER_PORT)
808 #define INTEL_TRANSCODER_A_DATA_N2			(0x003c | REGS_SOUTH_TRANSCODER_PORT)
809 #define INTEL_TRANSCODER_B_DATA_N1			(0x1034 | REGS_SOUTH_TRANSCODER_PORT)
810 #define INTEL_TRANSCODER_B_DATA_N2			(0x103c | REGS_SOUTH_TRANSCODER_PORT)
811 #define INTEL_TRANSCODER_C_DATA_N1			(0x2034 | REGS_SOUTH_TRANSCODER_PORT)
812 #define INTEL_TRANSCODER_C_DATA_N2			(0x203c | REGS_SOUTH_TRANSCODER_PORT)
813 #define INTEL_TRANSCODER_A_LINK_M1			(0x0040 | REGS_SOUTH_TRANSCODER_PORT)
814 #define INTEL_TRANSCODER_A_LINK_M2			(0x0048 | REGS_SOUTH_TRANSCODER_PORT)
815 #define INTEL_TRANSCODER_B_LINK_M1			(0x1040 | REGS_SOUTH_TRANSCODER_PORT)
816 #define INTEL_TRANSCODER_B_LINK_M2			(0x1048 | REGS_SOUTH_TRANSCODER_PORT)
817 #define INTEL_TRANSCODER_C_LINK_M1			(0x2040 | REGS_SOUTH_TRANSCODER_PORT)
818 #define INTEL_TRANSCODER_C_LINK_M2			(0x2048 | REGS_SOUTH_TRANSCODER_PORT)
819 #define INTEL_TRANSCODER_A_LINK_N1			(0x0044 | REGS_SOUTH_TRANSCODER_PORT)
820 #define INTEL_TRANSCODER_A_LINK_N2			(0x004c | REGS_SOUTH_TRANSCODER_PORT)
821 #define INTEL_TRANSCODER_B_LINK_N1			(0x1044 | REGS_SOUTH_TRANSCODER_PORT)
822 #define INTEL_TRANSCODER_B_LINK_N2			(0x104c | REGS_SOUTH_TRANSCODER_PORT)
823 #define INTEL_TRANSCODER_C_LINK_N1			(0x2044 | REGS_SOUTH_TRANSCODER_PORT)
824 #define INTEL_TRANSCODER_C_LINK_N2			(0x204c | REGS_SOUTH_TRANSCODER_PORT)
825 #define INTEL_TRANSCODER_MN_TU_SIZE_MASK	(0x3f << 25)
826 #define INTEL_TRANSCODER_MN_VALUE_MASK		(0xffffff << 0)
827 
828 #define INTEL_TRANSCODER_A_IMAGE_SIZE	(0x001c | REGS_SOUTH_TRANSCODER_PORT)
829 #define INTEL_TRANSCODER_B_IMAGE_SIZE	(0x101c | REGS_SOUTH_TRANSCODER_PORT)
830 
831 // TODO: Is there consolidation that could happen here with digital ports?
832 
833 #define INTEL_ANALOG_PORT				(0x1100 | REGS_SOUTH_TRANSCODER_PORT)
834 #define INTEL_DIGITAL_PORT_A			(0x1120 | REGS_SOUTH_TRANSCODER_PORT)
835 #define INTEL_DIGITAL_PORT_B			(0x1140 | REGS_SOUTH_TRANSCODER_PORT)
836 #define INTEL_DIGITAL_PORT_C			(0x1160 | REGS_SOUTH_TRANSCODER_PORT)
837 #define INTEL_DIGITAL_LVDS_PORT			(0x1180 | REGS_SOUTH_TRANSCODER_PORT)
838 
839 #define INTEL_HDMI_PORT_B				(0x1140 | REGS_SOUTH_TRANSCODER_PORT)
840 #define INTEL_HDMI_PORT_C				(0x1160 | REGS_SOUTH_TRANSCODER_PORT)
841 
842 #define PCH_HDMI_PORT_B					(0x1140 | REGS_SOUTH_TRANSCODER_PORT)
843 #define PCH_HDMI_PORT_C					(0x1150 | REGS_SOUTH_TRANSCODER_PORT)
844 #define PCH_HDMI_PORT_D					(0x1160 | REGS_SOUTH_TRANSCODER_PORT)
845 
846 #define GEN4_HDMI_PORT_B				(0x1140 | REGS_SOUTH_TRANSCODER_PORT)
847 #define GEN4_HDMI_PORT_C				(0x1160 | REGS_SOUTH_TRANSCODER_PORT)
848 #define CHV_HDMI_PORT_D					(0x116C | REGS_SOUTH_TRANSCODER_PORT)
849 
850 // DDI Buffer Control (This replaces DP on Haswell+)
851 #define DDI_BUF_CTL_A					(0x4000 | REGS_NORTH_PIPE_AND_PORT)
852 #define DDI_BUF_CTL_B					(0x4100 | REGS_NORTH_PIPE_AND_PORT)
853 #define DDI_BUF_CTL_C					(0x4200 | REGS_NORTH_PIPE_AND_PORT)
854 #define DDI_BUF_CTL_D					(0x4300 | REGS_NORTH_PIPE_AND_PORT)
855 #define DDI_BUF_CTL_E					(0x4400 | REGS_NORTH_PIPE_AND_PORT)
856 #define DDI_BUF_CTL_F					(0x4500 | REGS_NORTH_PIPE_AND_PORT)
857 #define DDI_BUF_CTL_ENABLE				(1 << 31)
858 #define DDI_BUF_TRANS_SELECT(n)			((n) << 24)
859 #define DDI_BUF_EMP_MASK				(0xf << 24)
860 #define DDI_BUF_PORT_REVERSAL			(1 << 16)
861 #define DDI_BUF_IS_IDLE					(1 << 7)
862 #define DDI_A_4_LANES					(1 << 4)
863 #define DDI_PORT_WIDTH(width)			(((width) - 1) << 1)
864 #define DDI_INIT_DISPLAY_DETECTED		(1 << 0)
865 
866 #define PIPE_DDI_FUNC_CTL_A				(0x0400 | REGS_NORTH_PIPE_AND_PORT)
867 #define PIPE_DDI_FUNC_CTL_B				(0x1400 | REGS_NORTH_PIPE_AND_PORT)
868 #define PIPE_DDI_FUNC_CTL_C				(0x2400 | REGS_NORTH_PIPE_AND_PORT)
869 #define PIPE_DDI_FUNC_CTL_EDP			(0xF400 | REGS_NORTH_PIPE_AND_PORT)
870 #define PIPE_DDI_FUNC_CTL_ENABLE		(1 << 31)
871 #define PIPE_DDI_SELECT_SHIFT			28
872 #define PIPE_DDI_SELECT_PORT(x)			((x) << PIPE_DDI_SELECT_SHIFT)
873 #define PIPE_DDI_SELECT_MASK			(7 << PIPE_DDI_SELECT_SHIFT)
874 #define PIPE_DDI_PORT_NONE				0
875 #define PIPE_DDI_PORT_B					1
876 #define PIPE_DDI_PORT_C					2
877 #define PIPE_DDI_PORT_D					3
878 #define PIPE_DDI_PORT_E					4
879 #define PIPE_DDI_PORT_F					5
880 #define PIPE_DDI_MODESEL_SHIFT			24
881 #define PIPE_DDI_MODESEL_MODE(x)		((x) << PIPE_DDI_MODESEL_SHIFT)
882 #define PIPE_DDI_MODESEL_MASK			(7 << PIPE_DDI_MODESEL_SHIFT)
883 #define PIPE_DDI_MODE_HDMI				0
884 #define PIPE_DDI_MODE_DVI				1
885 #define PIPE_DDI_MODE_DP_SST			2
886 #define PIPE_DDI_MODE_DP_MST			3
887 #define PIPE_DDI_COLOR_SHIFT			20
888 #define PIPE_DDI_BPC(x)					((x) << PIPE_DDI_COLOR_SHIFT)
889 #define PIPE_DDI_BPC_MASK				(7 << PIPE_DDI_COLOR_SHIFT)
890 #define PIPE_DDI_8BPC					0
891 #define PIPE_DDI_10BPC					1
892 #define PIPE_DDI_6BPC					2
893 #define PIPE_DDI_12BPC					3
894 #define PIPE_DDI_DP_WIDTH_SHIFT			1
895 #define PIPE_DDI_DP_WIDTH_SEL(x)		((x) << PIPE_DDI_DP_WIDTH_SHIFT)
896 #define PIPE_DDI_DP_WIDTH_MASK			(7 << PIPE_DDI_DP_WIDTH_SHIFT)
897 #define PIPE_DDI_DP_WIDTH_1				0
898 #define PIPE_DDI_DP_WIDTH_2				1
899 #define PIPE_DDI_DP_WIDTH_4				2
900 
901 // DP_A always @ 6xxxx, DP_B-DP_D move with PCH
902 #define INTEL_DISPLAY_PORT_A			(0x4000 | REGS_NORTH_PIPE_AND_PORT)
903 #define INTEL_DISPLAY_PORT_B			(0x4100 | REGS_SOUTH_TRANSCODER_PORT)
904 #define INTEL_DISPLAY_PORT_C			(0x4200 | REGS_SOUTH_TRANSCODER_PORT)
905 #define INTEL_DISPLAY_PORT_D			(0x4300 | REGS_SOUTH_TRANSCODER_PORT)
906 
907 #define INTEL_DISP_PORTA_SNB_PIPE_SHIFT	30
908 #define INTEL_DISP_PORTA_SNB_PIPE_MASK	(1 << INTEL_DISP_PORTA_SNB_PIPE_SHIFT)
909 #define INTEL_DISP_PORTA_SNB_PIPE_A		0
910 #define INTEL_DISP_PORTA_SNB_PIPE_B		1
911 #define INTEL_DISP_PORTA_IVB_PIPE_SHIFT	29
912 #define INTEL_DISP_PORTA_IVB_PIPE_MASK	(3 << INTEL_DISP_PORTA_IVB_PIPE_SHIFT)
913 #define INTEL_DISP_PORTA_IVB_PIPE_A		0
914 #define INTEL_DISP_PORTA_IVB_PIPE_B		1
915 #define INTEL_DISP_PORTA_IVB_PIPE_C		2
916 
917 #define INTEL_DISP_PORT_WIDTH_SHIFT		19
918 #define INTEL_DISP_PORT_WIDTH_MASK		(7 << INTEL_DISP_PORT_WIDTH_SHIFT)
919 #define INTEL_DISP_PORT_WIDTH_1			0
920 #define INTEL_DISP_PORT_WIDTH_2			1
921 #define INTEL_DISP_PORT_WIDTH_4			3
922 #define INTEL_DISP_EDP_PLL_FREQ_SHIFT	16
923 #define INTEL_DISP_EDP_PLL_FREQ_MASK	(3 << INTEL_DISP_EDP_PLL_FREQ_SHIFT)
924 #define INTEL_DISP_EDP_PLL_FREQ_270		0
925 #define INTEL_DISP_EDP_PLL_FREQ_162		1
926 
927 #define INTEL_TRANSCODER_A_DP_CTL		(0x0300 | REGS_SOUTH_TRANSCODER_PORT)
928 #define INTEL_TRANSCODER_B_DP_CTL		(0x1300 | REGS_SOUTH_TRANSCODER_PORT)
929 #define INTEL_TRANSCODER_C_DP_CTL		(0x2300 | REGS_SOUTH_TRANSCODER_PORT)
930 
931 #define INTEL_TRANS_DP_COLOR_SHIFT		9
932 #define INTEL_TRANS_DP_BPC(x)			((x) << INTEL_TRANS_DP_COLOR_SHIFT)
933 #define INTEL_TRANS_DP_BPC_MASK			(7 << INTEL_TRANS_DP_COLOR_SHIFT)
934 #define INTEL_TRANS_DP_PORT_SHIFT		29
935 #define INTEL_TRANS_DP_PORT(x)			((x) << INTEL_TRANS_DP_PORT_SHIFT)
936 #define INTEL_TRANS_DP_PORT_MASK		(3 << INTEL_TRANS_DP_PORT_SHIFT)
937 #define INTEL_TRANS_DP_PORT_B			0
938 #define INTEL_TRANS_DP_PORT_C			1
939 #define INTEL_TRANS_DP_PORT_D			2
940 #define INTEL_TRANS_DP_PORT_NONE		3
941 
942 // Unless you're a damn Valley/CherryView unicorn :-(
943 #define VLV_DISPLAY_PORT_B				(VLV_DISPLAY_BASE + 0x64100)
944 #define VLV_DISPLAY_PORT_C				(VLV_DISPLAY_BASE + 0x64200)
945 #define CHV_DISPLAY_PORT_D				(VLV_DISPLAY_BASE + 0x64300)
946 
947 // DP AUX channels
948 #define _DPA_AUX_CH_CTL					(0x4010 | REGS_NORTH_PIPE_AND_PORT)
949 #define _DPA_AUX_CH_DATA1				(0x4014 | REGS_NORTH_PIPE_AND_PORT)
950 #define _DPB_AUX_CH_CTL					(0x4110 | REGS_NORTH_PIPE_AND_PORT)
951 #define _DPB_AUX_CH_DATA1				(0x4114 | REGS_NORTH_PIPE_AND_PORT)
952 #define DP_AUX_CH_CTL(aux)		\
953 					(_DPA_AUX_CH_CTL + (_DPB_AUX_CH_CTL - _DPA_AUX_CH_CTL) * aux)
954 #define DP_AUX_CH_DATA(aux, i)	\
955 					(_DPA_AUX_CH_DATA1 + (_DPB_AUX_CH_DATA1 - _DPA_AUX_CH_DATA1) * aux + i * 4)
956 
957 #define INTEL_DP_AUX_CTL_BUSY			(1 << 31)
958 #define INTEL_DP_AUX_CTL_DONE			(1 << 30)
959 #define INTEL_DP_AUX_CTL_INTERRUPT		(1 << 29)
960 #define INTEL_DP_AUX_CTL_TIMEOUT_ERROR	(1 << 28)
961 #define INTEL_DP_AUX_CTL_TIMEOUT_400us	(0 << 26)
962 #define INTEL_DP_AUX_CTL_TIMEOUT_600us	(1 << 26)
963 #define INTEL_DP_AUX_CTL_TIMEOUT_800us	(2 << 26)
964 #define INTEL_DP_AUX_CTL_TIMEOUT_1600us (3 << 26)
965 #define INTEL_DP_AUX_CTL_TIMEOUT_MASK	(3 << 26)
966 #define INTEL_DP_AUX_CTL_RECEIVE_ERROR	(1 << 25)
967 #define INTEL_DP_AUX_CTL_MSG_SIZE_MASK	(0x1f << 20)
968 #define INTEL_DP_AUX_CTL_MSG_SIZE_SHIFT 20
969 #define INTEL_DP_AUX_CTL_PRECHARGE_2US_MASK (0xf << 16)
970 #define INTEL_DP_AUX_CTL_PRECHARGE_2US_SHIFT 16
971 #define INTEL_DP_AUX_CTL_BIT_CLOCK_2X_MASK (0x7ff)
972 #define INTEL_DP_AUX_CTL_BIT_CLOCK_2X_SHIFT 0
973 #define INTEL_DP_AUX_CTL_FW_SYNC_PULSE_SKL(c)   (((c) - 1) << 5)
974 #define INTEL_DP_AUX_CTL_SYNC_PULSE_SKL(c)   ((c) - 1)
975 
976 // planes
977 #define INTEL_PIPE_ENABLED				(1UL << 31)
978 #define INTEL_PIPE_STATE				(1UL << 30)
979 
980 #define INTEL_PLANE_OFFSET				0x1000
981 
982 #define INTEL_DISPLAY_A_PIPE_CONTROL	(0x0008	| REGS_NORTH_PLANE_CONTROL)
983 #define INTEL_DISPLAY_B_PIPE_CONTROL	(0x1008 | REGS_NORTH_PLANE_CONTROL)
984 #define INTEL_DISPLAY_C_PIPE_CONTROL	(0x2008 | REGS_NORTH_PLANE_CONTROL)
985 #define INTEL_DISPLAY_A_PIPE_STATUS		(0x0024 | REGS_NORTH_PLANE_CONTROL)
986 #define INTEL_DISPLAY_B_PIPE_STATUS		(0x1024 | REGS_NORTH_PLANE_CONTROL)
987 
988 #define INTEL_DISPLAY_A_PIPE_WATERMARK	(0x5100 | REGS_NORTH_PLANE_CONTROL)
989 #define INTEL_DISPLAY_B_PIPE_WATERMARK	(0x5104 | REGS_NORTH_PLANE_CONTROL)
990 #define INTEL_DISPLAY_C_PIPE_WATERMARK	(0x5200 | REGS_NORTH_PLANE_CONTROL)
991 
992 #define DISPLAY_PIPE_VBLANK_ENABLED		(1UL << 17)
993 #define DISPLAY_PIPE_VBLANK_STATUS		(1UL << 1)
994 
995 #define INTEL_DISPLAY_A_CONTROL			(0x0180 | REGS_NORTH_PLANE_CONTROL)
996 #define INTEL_DISPLAY_A_BASE			(0x0184 | REGS_NORTH_PLANE_CONTROL)
997 #define INTEL_DISPLAY_A_BYTES_PER_ROW	(0x0188 | REGS_NORTH_PLANE_CONTROL)
998 #define INTEL_DISPLAY_A_POS				(0x018c | REGS_NORTH_PLANE_CONTROL)
999 	// reserved on A
1000 #define INTEL_DISPLAY_A_IMAGE_SIZE		(0x0190 | REGS_NORTH_PLANE_CONTROL)
1001 #define INTEL_DISPLAY_A_SURFACE			(0x019c | REGS_NORTH_PLANE_CONTROL)
1002 #define INTEL_DISPLAY_A_OFFSET_HAS		(0x01a4 | REGS_NORTH_PLANE_CONTROL)
1003 	// i965 and up only
1004 
1005 #define INTEL_DISPLAY_B_CONTROL			(0x1180 | REGS_NORTH_PLANE_CONTROL)
1006 #define INTEL_DISPLAY_B_BASE			(0x1184 | REGS_NORTH_PLANE_CONTROL)
1007 #define INTEL_DISPLAY_B_BYTES_PER_ROW	(0x1188 | REGS_NORTH_PLANE_CONTROL)
1008 #define INTEL_DISPLAY_B_POS				(0x118c | REGS_NORTH_PLANE_CONTROL)
1009 #define INTEL_DISPLAY_B_IMAGE_SIZE		(0x1190 | REGS_NORTH_PLANE_CONTROL)
1010 #define INTEL_DISPLAY_B_SURFACE			(0x119c | REGS_NORTH_PLANE_CONTROL)
1011 #define INTEL_DISPLAY_B_OFFSET_HAS		(0x11a4 | REGS_NORTH_PLANE_CONTROL)
1012 	// i965 and up only
1013 
1014 // INTEL_DISPLAY_A_CONTROL source pixel format
1015 #define DISPLAY_CONTROL_ENABLED			(1UL << 31)
1016 #define DISPLAY_CONTROL_GAMMA			(1UL << 30)
1017 #define DISPLAY_CONTROL_COLOR_MASK		(0x0fUL << 26)
1018 #define DISPLAY_CONTROL_CMAP8			(2UL << 26)
1019 #define DISPLAY_CONTROL_RGB15			(4UL << 26)
1020 #define DISPLAY_CONTROL_RGB16			(5UL << 26)
1021 #define DISPLAY_CONTROL_RGB32			(6UL << 26)
1022 #define DISPLAY_CONTROL_RGB64			(0x0cUL << 26)
1023 // Skylake
1024 #define DISPLAY_CONTROL_COLOR_MASK_SKY	(0x0fUL << 24)
1025 #define DISPLAY_CONTROL_CMAP8_SKY		(0x0cUL << 24)
1026 #define DISPLAY_CONTROL_RGB15_SKY		(0x0eUL << 24)
1027 #define DISPLAY_CONTROL_RGB16_SKY		(0x0eUL << 24)
1028 #define DISPLAY_CONTROL_RGB32_SKY		(0x04UL << 24)
1029 #define DISPLAY_CONTROL_RGB64_SKY		(0x06UL << 24)
1030 
1031 // INTEL_DISPLAY_A_PIPE_CONTROL ILK+
1032 #define INTEL_PIPE_DITHER_TYPE_MASK		(0x0000000c)
1033 #define INTEL_PIPE_DITHER_TYPE_SP		(0 << 2)
1034 #define INTEL_PIPE_DITHER_TYPE_ST1		(1 << 2)
1035 #define INTEL_PIPE_DITHER_TYPE_ST2		(2 << 2)
1036 #define INTEL_PIPE_DITHER_TYPE_TEMP		(3 << 2)
1037 #define INTEL_PIPE_DITHER_EN			(1 << 4)
1038 #define INTEL_PIPE_COLOR_SHIFT			5
1039 #define INTEL_PIPE_BPC(x)				((x) << INTEL_PIPE_COLOR_SHIFT)
1040 #define INTEL_PIPE_BPC_MASK				(7 << INTEL_PIPE_COLOR_SHIFT)
1041 #define INTEL_PIPE_8BPC					0
1042 #define INTEL_PIPE_10BPC				1
1043 #define INTEL_PIPE_6BPC					2
1044 #define INTEL_PIPE_12BPC				3
1045 #define INTEL_PIPE_PROGRESSIVE			(0 << 21)
1046 
1047 // cursors
1048 #define INTEL_CURSOR_CONTROL			(0x0080 | REGS_NORTH_PLANE_CONTROL)
1049 #define INTEL_CURSOR_BASE				(0x0084 | REGS_NORTH_PLANE_CONTROL)
1050 #define INTEL_CURSOR_POSITION			(0x0088 | REGS_NORTH_PLANE_CONTROL)
1051 #define INTEL_CURSOR_PALETTE			(0x0090 | REGS_NORTH_PLANE_CONTROL)
1052 	// (- 0x009f)
1053 #define INTEL_CURSOR_SIZE				(0x00a0 | REGS_NORTH_PLANE_CONTROL)
1054 #define CURSOR_ENABLED					(1UL << 31)
1055 #define CURSOR_FORMAT_2_COLORS			(0UL << 24)
1056 #define CURSOR_FORMAT_3_COLORS			(1UL << 24)
1057 #define CURSOR_FORMAT_4_COLORS			(2UL << 24)
1058 #define CURSOR_FORMAT_ARGB				(4UL << 24)
1059 #define CURSOR_FORMAT_XRGB				(5UL << 24)
1060 #define CURSOR_POSITION_NEGATIVE		0x8000
1061 #define CURSOR_POSITION_MASK			0x3fff
1062 
1063 // palette registers
1064 #define INTEL_DISPLAY_A_PALETTE			(0xa000 | REGS_NORTH_SHARED)
1065 #define INTEL_DISPLAY_B_PALETTE			(0xa800 | REGS_NORTH_SHARED)
1066 
1067 // Ironlake PCH reference clk control
1068 #define PCH_DREF_CONTROL					(0x6200 | REGS_SOUTH_SHARED)
1069 #define DREF_CONTROL_MASK					0x7fc3
1070 #define DREF_CPU_SOURCE_OUTPUT_DISABLE		(0 << 13)
1071 #define DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD	(2 << 13)
1072 #define DREF_CPU_SOURCE_OUTPUT_NONSPREAD	(3 << 13)
1073 #define DREF_CPU_SOURCE_OUTPUT_MASK			(3 << 13)
1074 #define DREF_SSC_SOURCE_DISABLE				(0 << 11)
1075 #define DREF_SSC_SOURCE_ENABLE				(2 << 11)
1076 #define DREF_SSC_SOURCE_MASK				(3 << 11)
1077 #define DREF_NONSPREAD_SOURCE_DISABLE		(0 << 9)
1078 #define DREF_NONSPREAD_CK505_ENABLE			(1 << 9)
1079 #define DREF_NONSPREAD_SOURCE_ENABLE		(2 << 9)
1080 #define DREF_NONSPREAD_SOURCE_MASK			(3 << 9)
1081 #define DREF_SUPERSPREAD_SOURCE_DISABLE 	(0 << 7)
1082 #define DREF_SUPERSPREAD_SOURCE_ENABLE		(2 << 7)
1083 #define DREF_SUPERSPREAD_SOURCE_MASK		(3 << 7)
1084 #define DREF_SSC4_DOWNSPREAD				(0 << 6)
1085 #define DREF_SSC4_CENTERSPREAD				(1 << 6)
1086 #define DREF_SSC1_DISABLE					(0 << 1)
1087 #define DREF_SSC1_ENABLE					(1 << 1)
1088 #define DREF_SSC4_DISABLE					(0 << 0)
1089 #define DREF_SSC4_ENABLE					(1 << 0)
1090 
1091 // PLL registers
1092 //  Multiplier Divisor
1093 #define INTEL_DISPLAY_A_PLL				(0x6014 | REGS_SOUTH_SHARED)
1094 #define INTEL_DISPLAY_B_PLL				(0x6018 | REGS_SOUTH_SHARED)
1095 #define INTEL_DISPLAY_A_PLL_MD			(0x601C | REGS_SOUTH_SHARED)
1096 #define INTEL_DISPLAY_B_PLL_MD			(0x6020 | REGS_SOUTH_SHARED)
1097 #define CHV_DISPLAY_C_PLL				(0x6030 | REGS_SOUTH_SHARED)
1098 #define CHV_DISPLAY_B_PLL_MD			(0x603C | REGS_SOUTH_SHARED)
1099 
1100 #define INTEL_DISPLAY_A_PLL_DIVISOR_0	(0x6040 | REGS_SOUTH_SHARED)
1101 #define INTEL_DISPLAY_A_PLL_DIVISOR_1	(0x6044 | REGS_SOUTH_SHARED)
1102 #define INTEL_DISPLAY_B_PLL_DIVISOR_0	(0x6048 | REGS_SOUTH_SHARED)
1103 #define INTEL_DISPLAY_B_PLL_DIVISOR_1	(0x604c | REGS_SOUTH_SHARED)
1104 
1105 #define SNB_DPLL_SEL					(0x7000 | REGS_SOUTH_SHARED)
1106 
1107 // i2c bit banging interface
1108 #define INTEL_I2C_IO_A					(0x5010 | REGS_SOUTH_SHARED)
1109 #define INTEL_I2C_IO_B					(0x5014 | REGS_SOUTH_SHARED)
1110 #define INTEL_I2C_IO_C					(0x5018 | REGS_SOUTH_SHARED)
1111 #define INTEL_I2C_IO_D					(0x501c | REGS_SOUTH_SHARED)
1112 #define INTEL_I2C_IO_E					(0x5020 | REGS_SOUTH_SHARED)
1113 #define INTEL_I2C_IO_F					(0x5024 | REGS_SOUTH_SHARED)
1114 #define INTEL_I2C_IO_G					(0x5028 | REGS_SOUTH_SHARED)
1115 #define INTEL_I2C_IO_H					(0x502c | REGS_SOUTH_SHARED)
1116 // i2c hardware controller
1117 #define INTEL_GMBUS0					(0x5100 | REGS_SOUTH_SHARED)
1118 #define INTEL_GMBUS4					(0x5110 | REGS_SOUTH_SHARED)
1119 
1120 #define I2C_CLOCK_DIRECTION_MASK		(1 << 0)
1121 #define I2C_CLOCK_DIRECTION_OUT			(1 << 1)
1122 #define I2C_CLOCK_VALUE_MASK			(1 << 2)
1123 #define I2C_CLOCK_VALUE_OUT				(1 << 3)
1124 #define I2C_CLOCK_VALUE_IN				(1 << 4)
1125 #define I2C_DATA_DIRECTION_MASK			(1 << 8)
1126 #define I2C_DATA_DIRECTION_OUT			(1 << 9)
1127 #define I2C_DATA_VALUE_MASK				(1 << 10)
1128 #define I2C_DATA_VALUE_OUT				(1 << 11)
1129 #define I2C_DATA_VALUE_IN				(1 << 12)
1130 #define I2C_RESERVED					((1 << 13) | (1 << 5))
1131 
1132 // gpu block clock gating disable bits
1133 #define INTEL_DSPCLK_GATE_D				(0x2020 | REGS_SOUTH_SHARED)
1134 #define PCH_GMBUSUNIT_CLK_GATE_DIS		(1UL << 31)
1135 #define INTEL_GEN9_CLKGATE_DIS_4		(0x653c | REGS_NORTH_SHARED)
1136 #define BXT_GMBUSUNIT_CLK_GATE_DIS		(1 << 14)
1137 
1138 // gpu power wells (confirmed skylake)
1139 #define INTEL_PWR_WELL_CTL_1_BIOS		(0x5400 | REGS_NORTH_SHARED)
1140 #define INTEL_PWR_WELL_CTL_2_DRIVER		(0x5404 | REGS_NORTH_SHARED)
1141 
1142 #define	HSW_PWR_WELL_CTL_REQ(i)			(0x2 << ((2 * i)))
1143 #define	HSW_PWR_WELL_CTL_STATE(i)		(0x1 << ((2 * i)))
1144 
1145 #define HSW_PWR_WELL_CTL1				INTEL_PWR_WELL_CTL_1_BIOS
1146 #define HSW_PWR_WELL_CTL2				INTEL_PWR_WELL_CTL_2_DRIVER
1147 #define HSW_PWR_WELL_CTL3				(0x5408 | REGS_NORTH_SHARED)
1148 #define HSW_PWR_WELL_CTL4				(0x540c | REGS_NORTH_SHARED)
1149 
1150 #define ICL_PWR_WELL_CTL_AUX1			(0x5440 | REGS_NORTH_SHARED)
1151 #define ICL_PWR_WELL_CTL_AUX2			(0x5444 | REGS_NORTH_SHARED)
1152 #define ICL_PWR_WELL_CTL_AUX4			(0x544c | REGS_NORTH_SHARED)
1153 
1154 #define ICL_PWR_WELL_CTL_DDI1			(0x5450 | REGS_NORTH_SHARED)
1155 #define ICL_PWR_WELL_CTL_DDI2			(0x5454 | REGS_NORTH_SHARED)
1156 #define ICL_PWR_WELL_CTL_DDI4			(0x545c | REGS_NORTH_SHARED)
1157 
1158 // gpu pll enable registers (confirmed skylake)
1159 #define INTEL_WRPLL_CTL_1_DPLL2			(0x6040 | REGS_NORTH_SHARED)
1160 #define INTEL_WRPLL_CTL_2_DPLL3			(0x6060 | REGS_NORTH_SHARED)
1161 #define WRPLL_PLL_ENABLE				(1 << 31)
1162 
1163 // TODO: on IronLake this is in the north shared block at 0x41000
1164 #define INTEL_VGA_DISPLAY_CONTROL		(0x1400 | REGS_NORTH_PLANE_CONTROL)
1165 #define VGA_DISPLAY_DISABLED			(1UL << 31)
1166 
1167 // LVDS panel
1168 #define INTEL_PANEL_STATUS				(0x1200 | REGS_NORTH_PIPE_AND_PORT)
1169 #define INTEL_PANEL_CONTROL				(0x1204 | REGS_NORTH_PIPE_AND_PORT)
1170 #define INTEL_PANEL_FIT_CONTROL			(0x1230 | REGS_NORTH_PIPE_AND_PORT)
1171 #define INTEL_PANEL_FIT_RATIOS			(0x1234 | REGS_NORTH_PIPE_AND_PORT)
1172 
1173 // LVDS on IronLake and up
1174 #define PCH_PANEL_STATUS				(0x7200 | REGS_SOUTH_SHARED)
1175 #define PCH_PANEL_CONTROL				(0x7204 | REGS_SOUTH_SHARED)
1176 #define PCH_PANEL_ON_DELAYS				(0x7208 | REGS_SOUTH_SHARED)
1177 #define PCH_PANEL_OFF_DELAYS			(0x720c | REGS_SOUTH_SHARED)
1178 #define PCH_PANEL_DIVISOR				(0x7210 | REGS_SOUTH_SHARED)
1179 #define PCH_LVDS_DETECTED				(1 << 1)
1180 
1181 #define PANEL_STATUS_POWER_ON			(1UL << 31)
1182 #define PANEL_CONTROL_POWER_TARGET_OFF	(0UL << 0)
1183 #define PANEL_CONTROL_POWER_TARGET_ON	(1UL << 0)
1184 #define PANEL_CONTROL_POWER_TARGET_RST	(1UL << 1)
1185 #define PANEL_REGISTER_UNLOCK			(0xabcd << 16)
1186 
1187 // PCH_PANEL_ON_DELAYS
1188 #define PANEL_DELAY_PORT_SELECT_MASK	(3 << 30)
1189 #define PANEL_DELAY_PORT_SELECT_LVDS	(0 << 30)
1190 #define PANEL_DELAY_PORT_SELECT_DPA		(1 << 30)
1191 #define PANEL_DELAY_PORT_SELECT_DPC		(2 << 30)
1192 #define PANEL_DELAY_PORT_SELECT_DPD		(3 << 30)
1193 
1194 // PCH_PANEL_DIVISOR
1195 #define PANEL_DIVISOR_REFERENCE_DIV_MASK 0xffffff00
1196 #define PANEL_DIVISOR_REFERENCE_DIV_SHIFT 8
1197 #define PANEL_DIVISOR_POW_CYCLE_DLY_MASK 0x1f
1198 #define PANEL_DIVISOR_POW_CYCLE_DLY_SHIFT 0x1f
1199 
1200 // Backlight control registers
1201 // These have moved around, initially they were per pipe, then they were moved in the "north" part
1202 // of the PCH with a single backlight control (independant of pipes), and then moved again to the
1203 // "south" part of the PCH, with a simplified register layout.
1204 #define PCH_BLC_PWM_CTL2                (0x8250 | REGS_NORTH_SHARED) // Linux BLC_PWM_CPU_CTL2
1205 #define PCH_BLC_PWM_CTL                 (0x8254 | REGS_NORTH_SHARED) // Linux BLC_PWM_CPU_CTL
1206 
1207 // Devices after Cannonlake have a new register layout, with separate registers for the period
1208 // and duty cycle instead of having two 16bit values in a 32bit register
1209 #define PCH_SOUTH_BLC_PWM_CONTROL       (0x8250 | REGS_SOUTH_SHARED) // Linux _BXT_BLC_PWM_CTL1
1210 #define PCH_SOUTH_BLC_PWM_PERIOD        (0x8254 | REGS_SOUTH_SHARED) // Linux _BXT_BLC_PWM_FREQ1
1211 #define PCH_SOUTH_BLC_PWM_DUTY_CYCLE    (0x8258 | REGS_SOUTH_SHARED) // Linux _BXT_BLC_PWM_DUTY1
1212 
1213 #define MCH_BLC_PWM_CTL                 (0x1254 | REGS_NORTH_PIPE_AND_PORT)
1214 	// Linux VLV_BLC_PWM_CTL (one register per pipe) or BLC_PWM_CTL (a single register that can be
1215 	// programmed for use on either pipe)
1216 
1217 // ring buffer commands
1218 
1219 #define COMMAND_NOOP					0x00
1220 #define COMMAND_WAIT_FOR_EVENT			(0x03 << 23)
1221 #define COMMAND_WAIT_FOR_OVERLAY_FLIP	(1 << 16)
1222 
1223 #define COMMAND_FLUSH					(0x04 << 23)
1224 
1225 // overlay flip
1226 #define COMMAND_OVERLAY_FLIP			(0x11 << 23)
1227 #define COMMAND_OVERLAY_CONTINUE		(0 << 21)
1228 #define COMMAND_OVERLAY_ON				(1 << 21)
1229 #define COMMAND_OVERLAY_OFF				(2 << 21)
1230 #define OVERLAY_UPDATE_COEFFICIENTS		0x1
1231 
1232 // 2D acceleration
1233 #define XY_COMMAND_SOURCE_BLIT			0x54c00006
1234 #define XY_COMMAND_COLOR_BLIT			0x54000004
1235 #define XY_COMMAND_SETUP_MONO_PATTERN	0x44400007
1236 #define XY_COMMAND_SCANLINE_BLIT		0x49400001
1237 #define COMMAND_COLOR_BLIT				0x50000003
1238 #define COMMAND_BLIT_RGBA				0x00300000
1239 
1240 #define COMMAND_MODE_SOLID_PATTERN		0x80
1241 #define COMMAND_MODE_CMAP8				0x00
1242 #define COMMAND_MODE_RGB15				0x02
1243 #define COMMAND_MODE_RGB16				0x01
1244 #define COMMAND_MODE_RGB32				0x03
1245 
1246 // overlay
1247 #define INTEL_OVERLAY_UPDATE			0x30000
1248 #define INTEL_OVERLAY_TEST				0x30004
1249 #define INTEL_OVERLAY_STATUS			0x30008
1250 #define INTEL_OVERLAY_EXTENDED_STATUS	0x3000c
1251 #define INTEL_OVERLAY_GAMMA_5			0x30010
1252 #define INTEL_OVERLAY_GAMMA_4			0x30014
1253 #define INTEL_OVERLAY_GAMMA_3			0x30018
1254 #define INTEL_OVERLAY_GAMMA_2			0x3001c
1255 #define INTEL_OVERLAY_GAMMA_1			0x30020
1256 #define INTEL_OVERLAY_GAMMA_0			0x30024
1257 
1258 // FDI - Flexible Display Interface, the interface between the (CPU-internal)
1259 // GPU and the PCH display outputs. Proprietary interface, based on DisplayPort
1260 // though, so similar link training and all...
1261 // There's an FDI transmitter (TX) on the CPU and an FDI receiver (RX) on the
1262 // PCH for each display pipe.
1263 // FDI receiver A is hooked up to transcoder A, FDI receiver B is hooked up to
1264 // transcoder B, so we have the same mapping as with the display pipes.
1265 #define PCH_FDI_RX_BASE_REGISTER		0xf0000
1266 #define PCH_FDI_RX_PIPE_OFFSET			0x01000
1267 #define PCH_FDI_RX_CONTROL				0x00c
1268 #define PCH_FDI_RX_MISC					0x010
1269 #define PCH_FDI_RX_IIR					0x014
1270 #define PCH_FDI_RX_IMR					0x018
1271 
1272 #define FDI_RX_ENABLE					(1 << 31)
1273 #define FDI_RX_PLL_ENABLED				(1 << 13)
1274 
1275 #define FDI_RX_LINK_COLOR_SHIFT			16
1276 #define FDI_RX_LINK_BPC(x)				((x) << FDI_RX_LINK_COLOR_SHIFT)
1277 #define FDI_RX_LINK_BPC_MASK			(7 << FDI_RX_LINK_COLOR_SHIFT)
1278 
1279 // Transcoder - same base as FDI_RX
1280 #define PCH_TRANS_CONF_A				0x0008
1281 #define PCH_TRANS_CONF_B				0x1008
1282 #define PCH_TRANS_CONF_C				0x2008
1283 
1284 // Transcoder - skylake DDI
1285 #define DDI_SKL_TRANS_CONF_A			(0x0008 | REGS_NORTH_PLANE_CONTROL)
1286 #define DDI_SKL_TRANS_CONF_B			(0x1008 | REGS_NORTH_PLANE_CONTROL)
1287 #define DDI_SKL_TRANS_CONF_C			(0x2008 | REGS_NORTH_PLANE_CONTROL)
1288 #define DDI_SKL_TRANS_CONF_EDP			(0xf008 | REGS_NORTH_PLANE_CONTROL)
1289 
1290 #define TRANS_ENABLE					(1 << 31)
1291 #define TRANS_ENABLED					(1 << 30)
1292 
1293 // FDI_tX interrupt register
1294 #define FDI_RX_INTER_LANE_ALIGN         (1 << 10)
1295 #define FDI_RX_SYMBOL_LOCK              (1 << 9)
1296 #define FDI_RX_BIT_LOCK                 (1 << 8)
1297 #define FDI_RX_TRAIN_PATTERN_2_FAIL     (1 << 7)
1298 #define FDI_RX_FS_CODE_ERR              (1 << 6)
1299 #define FDI_RX_FE_CODE_ERR              (1 << 5)
1300 #define FDI_RX_SYMBOL_ERR_RATE_ABOVE    (1 << 4)
1301 #define FDI_RX_HDCP_LINK_FAIL           (1 << 3)
1302 #define FDI_RX_PIXEL_FIFO_OVERFLOW      (1 << 2)
1303 #define FDI_RX_CROSS_CLOCK_OVERFLOW     (1 << 1)
1304 #define FDI_RX_SYMBOL_QUEUE_OVERFLOW    (1 << 0)
1305 
1306 #define FDI_FS_ERRC_ENABLE				(1 << 27)
1307 #define FDI_FE_ERRC_ENABLE				(1 << 26)
1308 
1309 #define PCH_FDI_RX_TRANS_UNIT_SIZE_1	0x30
1310 #define PCH_FDI_RX_TRANS_UNIT_SIZE_2	0x38
1311 #define FDI_RX_TRANS_UNIT_SIZE(x)		((x - 1) << 25)
1312 #define FDI_RX_TRANS_UNIT_MASK			0x7e000000
1313 
1314 #define FDI_RX_ENHANCE_FRAME_ENABLE		(1 << 6)
1315 #define FDI_RX_CLOCK_MASK				(1 << 4)
1316 #define FDI_RX_CLOCK_RAW				(0 << 4)
1317 #define FDI_RX_CLOCK_PCD				(1 << 4)
1318 
1319 // FDI RX MISC
1320 #define FDI_RX_PWRDN_LANE1_MASK		(3 << 26)
1321 #define FDI_RX_PWRDN_LANE1_VAL(x)	((x) << 26)
1322 #define FDI_RX_PWRDN_LANE0_MASK		(3 << 24)
1323 #define FDI_RX_PWRDN_LANE0_VAL(x)	((x) << 24)
1324 #define FDI_RX_TP1_TO_TP2_48		(2 << 20)
1325 #define FDI_RX_TP1_TO_TP2_64		(3 << 20)
1326 #define FDI_RX_FDI_DELAY_90			(0x90 << 0)
1327 
1328 #define PCH_FDI_TX_BASE_REGISTER			0x60000
1329 #define PCH_FDI_TX_PIPE_OFFSET				0x01000
1330 #define PCH_FDI_TX_CONTROL					0x100
1331 #define FDI_TX_ENABLE						(1 << 31)
1332 #define FDI_LINK_TRAIN_PATTERN_1			(0 << 28)
1333 #define FDI_LINK_TRAIN_PATTERN_2			(1 << 28)
1334 #define FDI_LINK_TRAIN_PATTERN_IDLE			(2 << 28)
1335 #define FDI_LINK_TRAIN_NONE					(3 << 28)
1336 #define FDI_LINK_TRAIN_VOLTAGE_0_4V			(0 << 25)
1337 #define FDI_LINK_TRAIN_VOLTAGE_0_6V			(1 << 25)
1338 #define FDI_LINK_TRAIN_VOLTAGE_0_8V			(2 << 25)
1339 #define FDI_LINK_TRAIN_VOLTAGE_1_2V			(3 << 25)
1340 #define FDI_LINK_TRAIN_PRE_EMPHASIS_NONE	(0 << 22)
1341 #define FDI_LINK_TRAIN_PRE_EMPHASIS_1_5X	(1 << 22)
1342 #define FDI_LINK_TRAIN_PRE_EMPHASIS_2X		(2 << 22)
1343 #define FDI_LINK_TRAIN_PRE_EMPHASIS_3X		(3 << 22)
1344 
1345 // FDI/PIPE M/N DATA AND LINK VALUES (refreshrate)
1346 #define PCH_FDI_PIPE_A_DATA_M1				(0x0030 | REGS_NORTH_PIPE_AND_PORT)
1347 #define PCH_FDI_PIPE_A_DATA_M2				(0x0038 | REGS_NORTH_PIPE_AND_PORT)
1348 #define PCH_FDI_PIPE_B_DATA_M1				(0x1030 | REGS_NORTH_PIPE_AND_PORT)
1349 #define PCH_FDI_PIPE_B_DATA_M2				(0x1038 | REGS_NORTH_PIPE_AND_PORT)
1350 #define PCH_FDI_PIPE_C_DATA_M1				(0x2030 | REGS_NORTH_PIPE_AND_PORT)
1351 #define PCH_FDI_PIPE_C_DATA_M2				(0x2038 | REGS_NORTH_PIPE_AND_PORT)
1352 #define PCH_FDI_PIPE_A_DATA_N1				(0x0034 | REGS_NORTH_PIPE_AND_PORT)
1353 #define PCH_FDI_PIPE_A_DATA_N2				(0x003c | REGS_NORTH_PIPE_AND_PORT)
1354 #define PCH_FDI_PIPE_B_DATA_N1				(0x1034 | REGS_NORTH_PIPE_AND_PORT)
1355 #define PCH_FDI_PIPE_B_DATA_N2				(0x103c | REGS_NORTH_PIPE_AND_PORT)
1356 #define PCH_FDI_PIPE_C_DATA_N1				(0x2034 | REGS_NORTH_PIPE_AND_PORT)
1357 #define PCH_FDI_PIPE_C_DATA_N2				(0x203c | REGS_NORTH_PIPE_AND_PORT)
1358 #define PCH_FDI_PIPE_A_LINK_M1				(0x0040 | REGS_NORTH_PIPE_AND_PORT)
1359 #define PCH_FDI_PIPE_A_LINK_M2				(0x0048 | REGS_NORTH_PIPE_AND_PORT)
1360 #define PCH_FDI_PIPE_B_LINK_M1				(0x1040 | REGS_NORTH_PIPE_AND_PORT)
1361 #define PCH_FDI_PIPE_B_LINK_M2				(0x1048 | REGS_NORTH_PIPE_AND_PORT)
1362 #define PCH_FDI_PIPE_C_LINK_M1				(0x2040 | REGS_NORTH_PIPE_AND_PORT)
1363 #define PCH_FDI_PIPE_C_LINK_M2				(0x2048 | REGS_NORTH_PIPE_AND_PORT)
1364 #define PCH_FDI_PIPE_A_LINK_N1				(0x0044 | REGS_NORTH_PIPE_AND_PORT)
1365 #define PCH_FDI_PIPE_A_LINK_N2				(0x004c | REGS_NORTH_PIPE_AND_PORT)
1366 #define PCH_FDI_PIPE_B_LINK_N1				(0x1044 | REGS_NORTH_PIPE_AND_PORT)
1367 #define PCH_FDI_PIPE_B_LINK_N2				(0x104c | REGS_NORTH_PIPE_AND_PORT)
1368 #define PCH_FDI_PIPE_C_LINK_N1				(0x2044 | REGS_NORTH_PIPE_AND_PORT)
1369 #define PCH_FDI_PIPE_C_LINK_N2				(0x204c | REGS_NORTH_PIPE_AND_PORT)
1370 #define FDI_PIPE_MN_TU_SIZE_MASK			(0x3f << 25)
1371 #define FDI_PIPE_MN_VALUE_MASK				(0xffffff << 0)
1372 
1373 // SNB A stepping
1374 #define FDI_LINK_TRAIN_400MV_0DB_SNB_A		(0x38 << 22)
1375 #define FDI_LINK_TRAIN_400MV_6DB_SNB_A		(0x02 << 22)
1376 #define FDI_LINK_TRAIN_600MV_3_5DB_SNB_A	(0x01 << 22)
1377 #define FDI_LINK_TRAIN_800MV_0DB_SNB_A		(0x00 << 22)
1378 
1379 // SNB B stepping
1380 #define FDI_LINK_TRAIN_400MV_0DB_SNB_B		(0x00 << 22)
1381 #define FDI_LINK_TRAIN_400MV_6DB_SNB_B		(0x3a << 22)
1382 #define FDI_LINK_TRAIN_600MV_3_5DB_SNB_B	(0x39 << 22)
1383 #define FDI_LINK_TRAIN_800MV_0DB_SNB_B		(0x38 << 22)
1384 #define FDI_LINK_TRAIN_VOL_EMP_MASK			(0x3f << 22)
1385 #define FDI_TX_ENHANCE_FRAME_ENABLE			(1 << 18)
1386 #define FDI_TX_PLL_ENABLED					(1 << 14)
1387 
1388 #define FDI_DP_PORT_WIDTH_SHIFT			19
1389 #define FDI_DP_PORT_WIDTH_MASK			(7 << FDI_DP_PORT_WIDTH_SHIFT)
1390 #define FDI_DP_PORT_WIDTH(width)		(((width) - 1) << FDI_DP_PORT_WIDTH_SHIFT)
1391 
1392 #define FDI_PLL_BIOS_0					0x46000
1393 #define FDI_PLL_FB_CLOCK_MASK			0xff
1394 #define FDI_PLL_BIOS_1					0x46004
1395 #define FDI_PLL_BIOS_2					0x46008
1396 
1397 #define FDI_AUTO_TRAINING				(1 << 10)
1398 #define FDI_AUTO_TRAIN_DONE				(1 << 1)
1399 
1400 #define FDI_LINK_TRAIN_PATTERN_1_CPT	(0 << 8)
1401 #define FDI_LINK_TRAIN_PATTERN_2_CPT	(1 << 8)
1402 #define FDI_LINK_TRAIN_PATTERN_IDLE_CPT	(2 << 8)
1403 #define FDI_LINK_TRAIN_NORMAL_CPT		(3 << 8)
1404 #define FDI_LINK_TRAIN_PATTERN_MASK_CPT	(3 << 8)
1405 
1406 // IvyBridge changes it up because... they hate developers?
1407 #define FDI_LINK_TRAIN_PATTERN_1_IVB	(0 << 8)
1408 #define FDI_LINK_TRAIN_PATTERN_2_IVB	(1 << 8)
1409 #define FDI_LINK_TRAIN_PATTERN_IDLE_IVB	(2 << 8)
1410 #define FDI_LINK_TRAIN_NONE_IVB			(3 << 8)
1411 
1412 #define PCH_FDI_RXA_CHICKEN				(0x200c | REGS_SOUTH_SHARED)
1413 #define PCH_FDI_RXB_CHICKEN				(0x2010 | REGS_SOUTH_SHARED)
1414 #define FDI_RX_PHASE_SYNC_POINTER_EN	(1 << 0)
1415 #define FDI_RX_PHASE_SYNC_POINTER_OVR	(1 << 1)
1416 
1417 // CPU Panel Fitters - These are for IronLake and up and are the CPU internal
1418 // panel fitters.
1419 #define PCH_PANEL_FITTER_BASE_REGISTER	0x68000
1420 #define PCH_PANEL_FITTER_PIPE_OFFSET	0x00800
1421 
1422 #define PCH_PANEL_FITTER_WINDOW_POS		0x70
1423 #define PCH_PANEL_FITTER_WINDOW_SIZE	0x74
1424 #define PCH_PANEL_FITTER_CONTROL		0x80
1425 //not on IvyBridge:
1426 #define PCH_PANEL_FITTER_V_SCALE		0x84
1427 #define PCH_PANEL_FITTER_H_SCALE		0x90
1428 
1429 #define PANEL_FITTER_ENABLED			(1 << 31)
1430 //pipes are hardcoded according to offset on SkyLake and later
1431 #define PANEL_FITTER_PIPE_MASK			(3 << 29)
1432 #define PANEL_FITTER_PIPE_A				(0 << 29)
1433 #define PANEL_FITTER_PIPE_B				(1 << 29)
1434 #define PANEL_FITTER_PIPE_C				(2 << 29)
1435 #define PANEL_FITTER_SCALING_MODE_MASK	(7 << 26)
1436 #define PANEL_FITTER_FILTER_MASK		(3 << 24)
1437 
1438 struct overlay_scale {
1439 	uint32 _reserved0 : 3;
1440 	uint32 horizontal_scale_fraction : 12;
1441 	uint32 _reserved1 : 1;
1442 	uint32 horizontal_downscale_factor : 3;
1443 	uint32 _reserved2 : 1;
1444 	uint32 vertical_scale_fraction : 12;
1445 };
1446 
1447 #define OVERLAY_FORMAT_RGB15			0x2
1448 #define OVERLAY_FORMAT_RGB16			0x3
1449 #define OVERLAY_FORMAT_RGB32			0x1
1450 #define OVERLAY_FORMAT_YCbCr422			0x8
1451 #define OVERLAY_FORMAT_YCbCr411			0x9
1452 #define OVERLAY_FORMAT_YCbCr420			0xc
1453 
1454 #define OVERLAY_MIRROR_NORMAL			0x0
1455 #define OVERLAY_MIRROR_HORIZONTAL		0x1
1456 #define OVERLAY_MIRROR_VERTICAL			0x2
1457 
1458 // The real overlay registers are written to using an update buffer
1459 
1460 struct overlay_registers {
1461 	uint32 buffer_rgb0;
1462 	uint32 buffer_rgb1;
1463 	uint32 buffer_u0;
1464 	uint32 buffer_v0;
1465 	uint32 buffer_u1;
1466 	uint32 buffer_v1;
1467 	// (0x18) OSTRIDE - overlay stride
1468 	uint16 stride_rgb;
1469 	uint16 stride_uv;
1470 	// (0x1c) YRGB_VPH - Y/RGB vertical phase
1471 	uint16 vertical_phase0_rgb;
1472 	uint16 vertical_phase1_rgb;
1473 	// (0x20) UV_VPH - UV vertical phase
1474 	uint16 vertical_phase0_uv;
1475 	uint16 vertical_phase1_uv;
1476 	// (0x24) HORZ_PH - horizontal phase
1477 	uint16 horizontal_phase_rgb;
1478 	uint16 horizontal_phase_uv;
1479 	// (0x28) INIT_PHS - initial phase shift
1480 	uint32 initial_vertical_phase0_shift_rgb0 : 4;
1481 	uint32 initial_vertical_phase1_shift_rgb0 : 4;
1482 	uint32 initial_horizontal_phase_shift_rgb0 : 4;
1483 	uint32 initial_vertical_phase0_shift_uv : 4;
1484 	uint32 initial_vertical_phase1_shift_uv : 4;
1485 	uint32 initial_horizontal_phase_shift_uv : 4;
1486 	uint32 _reserved0 : 8;
1487 	// (0x2c) DWINPOS - destination window position
1488 	uint16 window_left;
1489 	uint16 window_top;
1490 	// (0x30) DWINSZ - destination window size
1491 	uint16 window_width;
1492 	uint16 window_height;
1493 	// (0x34) SWIDTH - source width
1494 	uint16 source_width_rgb;
1495 	uint16 source_width_uv;
1496 	// (0x38) SWITDHSW - source width in 8 byte steps
1497 	uint16 source_bytes_per_row_rgb;
1498 	uint16 source_bytes_per_row_uv;
1499 	uint16 source_height_rgb;
1500 	uint16 source_height_uv;
1501 	overlay_scale scale_rgb;
1502 	overlay_scale scale_uv;
1503 	// (0x48) OCLRC0 - overlay color correction 0
1504 	uint32 brightness_correction : 8;		// signed, -128 to 127
1505 	uint32 _reserved1 : 10;
1506 	uint32 contrast_correction : 9;			// fixed point: 3.6 bits
1507 	uint32 _reserved2 : 5;
1508 	// (0x4c) OCLRC1 - overlay color correction 1
1509 	uint32 saturation_cos_correction : 10;	// fixed point: 3.7 bits
1510 	uint32 _reserved3 : 6;
1511 	uint32 saturation_sin_correction : 11;	// signed fixed point: 3.7 bits
1512 	uint32 _reserved4 : 5;
1513 	// (0x50) DCLRKV - destination color key value
1514 	uint32 color_key_blue : 8;
1515 	uint32 color_key_green : 8;
1516 	uint32 color_key_red : 8;
1517 	uint32 _reserved5 : 8;
1518 	// (0x54) DCLRKM - destination color key mask
1519 	uint32 color_key_mask_blue : 8;
1520 	uint32 color_key_mask_green : 8;
1521 	uint32 color_key_mask_red : 8;
1522 	uint32 _reserved6 : 7;
1523 	uint32 color_key_enabled : 1;
1524 	// (0x58) SCHRKVH - source chroma key high value
1525 	uint32 source_chroma_key_high_red : 8;
1526 	uint32 source_chroma_key_high_blue : 8;
1527 	uint32 source_chroma_key_high_green : 8;
1528 	uint32 _reserved7 : 8;
1529 	// (0x5c) SCHRKVL - source chroma key low value
1530 	uint32 source_chroma_key_low_red : 8;
1531 	uint32 source_chroma_key_low_blue : 8;
1532 	uint32 source_chroma_key_low_green : 8;
1533 	uint32 _reserved8 : 8;
1534 	// (0x60) SCHRKEN - source chroma key enable
1535 	uint32 _reserved9 : 24;
1536 	uint32 source_chroma_key_red_enabled : 1;
1537 	uint32 source_chroma_key_blue_enabled : 1;
1538 	uint32 source_chroma_key_green_enabled : 1;
1539 	uint32 _reserved10 : 5;
1540 	// (0x64) OCONFIG - overlay configuration
1541 	uint32 _reserved11 : 3;
1542 	uint32 color_control_output_mode : 1;
1543 	uint32 yuv_to_rgb_bypass : 1;
1544 	uint32 _reserved12 : 11;
1545 	uint32 gamma2_enabled : 1;
1546 	uint32 _reserved13 : 1;
1547 	uint32 select_pipe : 1;
1548 	uint32 slot_time : 8;
1549 	uint32 _reserved14 : 5;
1550 	// (0x68) OCOMD - overlay command
1551 	uint32 overlay_enabled : 1;
1552 	uint32 active_field : 1;
1553 	uint32 active_buffer : 2;
1554 	uint32 test_mode : 1;
1555 	uint32 buffer_field_mode : 1;
1556 	uint32 _reserved15 : 1;
1557 	uint32 tv_flip_field_enabled : 1;
1558 	uint32 _reserved16 : 1;
1559 	uint32 tv_flip_field_parity : 1;
1560 	uint32 source_format : 4;
1561 	uint32 ycbcr422_order : 2;
1562 	uint32 _reserved18 : 1;
1563 	uint32 mirroring_mode : 2;
1564 	uint32 _reserved19 : 13;
1565 
1566 	uint32 _reserved20;
1567 
1568 	uint32 start_0y;
1569 	uint32 start_1y;
1570 	uint32 start_0u;
1571 	uint32 start_0v;
1572 	uint32 start_1u;
1573 	uint32 start_1v;
1574 	uint32 _reserved21[6];
1575 #if 0
1576 	// (0x70) AWINPOS - alpha blend window position
1577 	uint32 awinpos;
1578 	// (0x74) AWINSZ - alpha blend window size
1579 	uint32 awinsz;
1580 
1581 	uint32 _reserved21[10];
1582 #endif
1583 
1584 	// (0xa0) FASTHSCALE - fast horizontal downscale (strangely enough,
1585 	// the next two registers switch the usual Y/RGB vs. UV order)
1586 	uint16 horizontal_scale_uv;
1587 	uint16 horizontal_scale_rgb;
1588 	// (0xa4) UVSCALEV - vertical downscale
1589 	uint16 vertical_scale_uv;
1590 	uint16 vertical_scale_rgb;
1591 
1592 	uint32 _reserved22[86];
1593 
1594 	// (0x200) polyphase filter coefficients
1595 	uint16 vertical_coefficients_rgb[128];
1596 	uint16 horizontal_coefficients_rgb[128];
1597 
1598 	uint32	_reserved23[64];
1599 
1600 	// (0x500)
1601 	uint16 vertical_coefficients_uv[128];
1602 	uint16 horizontal_coefficients_uv[128];
1603 };
1604 
1605 // i965 overlay support is currently realized using its 3D hardware
1606 #define INTEL_i965_OVERLAY_STATE_SIZE	36864
1607 #define INTEL_i965_3D_CONTEXT_SIZE		32768
1608 
1609 inline bool
1610 intel_uses_physical_overlay(intel_shared_info &info)
1611 {
1612 	return !info.device_type.InGroup(INTEL_GROUP_Gxx);
1613 }
1614 
1615 
1616 struct hardware_status {
1617 	uint32	interrupt_status_register;
1618 	uint32	_reserved0[3];
1619 	void*	primary_ring_head_storage;
1620 	uint32	_reserved1[3];
1621 	void*	secondary_ring_0_head_storage;
1622 	void*	secondary_ring_1_head_storage;
1623 	uint32	_reserved2[2];
1624 	void*	binning_head_storage;
1625 	uint32	_reserved3[3];
1626 	uint32	store[1008];
1627 };
1628 
1629 #endif	/* INTEL_EXTREME_H */
1630