xref: /haiku/headers/private/graphics/intel_extreme/intel_extreme.h (revision 1e60bdeab63fa7a57bc9a55b032052e95a18bd2c)
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 // families
29 #define INTEL_FAMILY_7xx	0x00010000	// First Gen
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_POVR	0x00100000	// PowerVR (uugh)
34 #define INTEL_FAMILY_SOC0	0x00200000  // Atom SOC
35 #define INTEL_FAMILY_LAKE	0x00400000	// Intel Lakes
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_SLT		(INTEL_FAMILY_POVR | 0x0010)  // Saltwell
50 #define INTEL_GROUP_FSM		(INTEL_FAMILY_POVR | 0x0020)  // Fu.Silvermont
51 #define INTEL_GROUP_VLV		(INTEL_FAMILY_SOC0 | 0x0010)  // ValleyView
52 #define INTEL_GROUP_CHV		(INTEL_FAMILY_SOC0 | 0x0020)  // CherryView
53 #define INTEL_GROUP_BDW		(INTEL_FAMILY_SOC0 | 0x0040)  // Broadwell
54 #define INTEL_GROUP_SKY		(INTEL_FAMILY_LAKE | 0x0010)  // SkyLake
55 #define INTEL_GROUP_KBY		(INTEL_FAMILY_LAKE | 0x0020)  // KabyLake
56 // models
57 #define INTEL_TYPE_SERVER	0x0004
58 #define INTEL_TYPE_MOBILE	0x0008
59 #define INTEL_MODEL_915		(INTEL_GROUP_91x)
60 #define INTEL_MODEL_915M	(INTEL_GROUP_91x | INTEL_TYPE_MOBILE)
61 #define INTEL_MODEL_945		(INTEL_GROUP_94x)
62 #define INTEL_MODEL_945M	(INTEL_GROUP_94x | INTEL_TYPE_MOBILE)
63 #define INTEL_MODEL_965		(INTEL_GROUP_96x)
64 #define INTEL_MODEL_965M	(INTEL_GROUP_96x | INTEL_TYPE_MOBILE)
65 #define INTEL_MODEL_G33		(INTEL_GROUP_Gxx)
66 #define INTEL_MODEL_G45		(INTEL_GROUP_G4x)
67 #define INTEL_MODEL_GM45	(INTEL_GROUP_G4x | INTEL_TYPE_MOBILE)
68 #define INTEL_MODEL_PINE	(INTEL_GROUP_PIN)
69 #define INTEL_MODEL_PINEM	(INTEL_GROUP_PIN | INTEL_TYPE_MOBILE)
70 #define INTEL_MODEL_ILKG	(INTEL_GROUP_ILK)
71 #define INTEL_MODEL_ILKGM	(INTEL_GROUP_ILK | INTEL_TYPE_MOBILE)
72 #define INTEL_MODEL_SNBG	(INTEL_GROUP_SNB)
73 #define INTEL_MODEL_SNBGM	(INTEL_GROUP_SNB | INTEL_TYPE_MOBILE)
74 #define INTEL_MODEL_SNBGS	(INTEL_GROUP_SNB | INTEL_TYPE_SERVER)
75 #define INTEL_MODEL_IVBG	(INTEL_GROUP_IVB)
76 #define INTEL_MODEL_IVBGM	(INTEL_GROUP_IVB | INTEL_TYPE_MOBILE)
77 #define INTEL_MODEL_IVBGS	(INTEL_GROUP_IVB | INTEL_TYPE_SERVER)
78 #define INTEL_MODEL_HAS		(INTEL_GROUP_HAS)
79 #define INTEL_MODEL_HASM	(INTEL_GROUP_HAS | INTEL_TYPE_MOBILE)
80 #define INTEL_MODEL_VLV		(INTEL_GROUP_VLV)
81 #define INTEL_MODEL_VLVM	(INTEL_GROUP_VLV | INTEL_TYPE_MOBILE)
82 #define INTEL_MODEL_BDW		(INTEL_GROUP_BDW)
83 #define INTEL_MODEL_BDWM	(INTEL_GROUP_BDW | INTEL_TYPE_MOBILE)
84 #define INTEL_MODEL_SKY		(INTEL_GROUP_SKY)
85 #define INTEL_MODEL_SKYM	(INTEL_GROUP_SKY | INTEL_TYPE_MOBILE)
86 #define INTEL_MODEL_SKYS	(INTEL_GROUP_SKY | INTEL_TYPE_SERVER)
87 
88 #define INTEL_PCH_DEVICE_ID_MASK	0xff80
89 #define INTEL_PCH_IBX_DEVICE_ID		0x3b00
90 #define INTEL_PCH_CPT_DEVICE_ID		0x1c00
91 #define INTEL_PCH_PPT_DEVICE_ID		0x1e00
92 #define INTEL_PCH_LPT_DEVICE_ID		0x8c00
93 #define INTEL_PCH_LPT_LP_DEVICE_ID	0x9c00
94 #define INTEL_PCH_WPT_DEVICE_ID		0x8c80
95 #define INTEL_PCH_WPT_LP_DEVICE_ID	0x9c80
96 #define INTEL_PCH_SPT_DEVICE_ID		0xa100
97 #define INTEL_PCH_SPT_LP_DEVICE_ID	0x9d00
98 #define INTEL_PCH_KBP_DEVICE_ID		0xa280
99 #define INTEL_PCH_CNP_DEVICE_ID		0xa300
100 #define INTEL_PCH_CNP_LP_DEVICE_ID	0x9d80
101 #define INTEL_PCH_ICP_DEVICE_ID		0x3480
102 #define INTEL_PCH_P2X_DEVICE_ID		0x7100
103 #define INTEL_PCH_P3X_DEVICE_ID		0x7000
104 
105 // ValleyView MMIO offset
106 #define VLV_DISPLAY_BASE		0x180000
107 
108 #define DEVICE_NAME				"intel_extreme"
109 #define INTEL_ACCELERANT_NAME	"intel_extreme.accelerant"
110 
111 // We encode the register block into the value and extract/translate it when
112 // actually accessing.
113 #define REGISTER_BLOCK_COUNT				6
114 #define REGISTER_BLOCK_SHIFT				24
115 #define REGISTER_BLOCK_MASK					0xff000000
116 #define REGISTER_REGISTER_MASK				0x00ffffff
117 #define REGISTER_BLOCK(x) ((x & REGISTER_BLOCK_MASK) >> REGISTER_BLOCK_SHIFT)
118 #define REGISTER_REGISTER(x) (x & REGISTER_REGISTER_MASK)
119 
120 #define REGS_FLAT							(0 << REGISTER_BLOCK_SHIFT)
121 #define REGS_NORTH_SHARED					(1 << REGISTER_BLOCK_SHIFT)
122 #define REGS_NORTH_PIPE_AND_PORT			(2 << REGISTER_BLOCK_SHIFT)
123 #define REGS_NORTH_PLANE_CONTROL			(3 << REGISTER_BLOCK_SHIFT)
124 #define REGS_SOUTH_SHARED					(4 << REGISTER_BLOCK_SHIFT)
125 #define REGS_SOUTH_TRANSCODER_PORT			(5 << REGISTER_BLOCK_SHIFT)
126 
127 // register blocks for (G)MCH/ICH based platforms
128 #define MCH_SHARED_REGISTER_BASE						0x00000
129 #define MCH_PIPE_AND_PORT_REGISTER_BASE					0x60000
130 #define MCH_PLANE_CONTROL_REGISTER_BASE					0x70000
131 
132 #define ICH_SHARED_REGISTER_BASE						0x00000
133 #define ICH_PORT_REGISTER_BASE							0x60000
134 
135 // PCH - Platform Control Hub - Some hardware moves from a MCH/ICH based
136 // setup to a PCH based one, that means anything that used to communicate via
137 // (G)MCH registers needs to use different ones on PCH based platforms
138 // (Ironlake, SandyBridge, IvyBridge, Some Haswell).
139 #define PCH_NORTH_SHARED_REGISTER_BASE					0x40000
140 #define PCH_NORTH_PIPE_AND_PORT_REGISTER_BASE			0x60000
141 #define PCH_NORTH_PLANE_CONTROL_REGISTER_BASE			0x70000
142 #define PCH_SOUTH_SHARED_REGISTER_BASE					0xc0000
143 #define PCH_SOUTH_TRANSCODER_AND_PORT_REGISTER_BASE		0xe0000
144 
145 
146 struct DeviceType {
147 	uint32			type;
148 
149 	DeviceType(int t)
150 	{
151 		type = t;
152 	}
153 
154 	DeviceType& operator=(int t)
155 	{
156 		type = t;
157 		return *this;
158 	}
159 
160 	bool InFamily(uint32 family) const
161 	{
162 		return (type & INTEL_FAMILY_MASK) == family;
163 	}
164 
165 	bool InGroup(uint32 group) const
166 	{
167 		return (type & INTEL_GROUP_MASK) == group;
168 	}
169 
170 	bool IsModel(uint32 model) const
171 	{
172 		return (type & INTEL_MODEL_MASK) == model;
173 	}
174 
175 	bool IsMobile() const
176 	{
177 		return (type & INTEL_TYPE_MASK) == INTEL_TYPE_MOBILE;
178 	}
179 
180 	bool SupportsHDMI() const
181 	{
182 		return InGroup(INTEL_GROUP_G4x) || InFamily(INTEL_FAMILY_SER5)
183 			|| InFamily(INTEL_FAMILY_SOC0);
184 	}
185 
186 	bool HasDDI() const
187 	{
188 		// Intel Digital Display Interface
189 		return InGroup(INTEL_GROUP_HAS) || (Generation() >= 8);
190 	}
191 
192 	int Generation() const
193 	{
194 		if (InFamily(INTEL_FAMILY_7xx))
195 			return 1;
196 		if (InFamily(INTEL_FAMILY_8xx))
197 			return 2;
198 		if (InGroup(INTEL_GROUP_91x) || InGroup(INTEL_GROUP_94x)
199 				|| IsModel(INTEL_MODEL_G33) || InGroup(INTEL_GROUP_PIN))
200 			return 3;
201 		if (InFamily(INTEL_FAMILY_9xx))
202 			return 4;
203 		if (InGroup(INTEL_GROUP_ILK))
204 			return 5;
205 		if (InGroup(INTEL_GROUP_SNB))
206 			return 6;
207 		if (InFamily(INTEL_FAMILY_SER5) || InGroup(INTEL_GROUP_VLV))
208 			return 7;
209 		if (InGroup(INTEL_GROUP_CHV) || InGroup(INTEL_GROUP_BDW))
210 			return 8;
211 		if (InFamily(INTEL_FAMILY_LAKE))
212 			return 9;
213 
214 		// Generation 0 means somethins is wrong :-)
215 		return 0;
216 	}
217 };
218 
219 enum pch_info {
220 	INTEL_PCH_NONE = 0,		// No PCH present
221 	INTEL_PCH_IBX,			// Ibexpeak
222 	INTEL_PCH_CPT,			// Cougarpoint
223 	INTEL_PCH_LPT,			// Lynxpoint
224 	INTEL_PCH_SPT,			// SunrisePoint
225 	INTEL_PCH_KBP,			// KabyLake
226 	INTEL_PCH_CNP,			// CannonLake
227 	INTEL_PCH_ICP,			// IceLake
228 	INTEL_PCH_NOP
229 };
230 
231 // info about PLL on graphics card
232 struct pll_info {
233 	uint32			reference_frequency;
234 	uint32			max_frequency;
235 	uint32			min_frequency;
236 	uint32			divisor_register;
237 };
238 
239 struct ring_buffer {
240 	struct lock		lock;
241 	uint32			register_base;
242 	uint32			offset;
243 	uint32			size;
244 	uint32			position;
245 	uint32			space_left;
246 	uint8*			base;
247 };
248 
249 struct overlay_registers;
250 
251 struct intel_shared_info {
252 	area_id			mode_list_area;		// area containing display mode list
253 	uint32			mode_count;
254 
255 	display_mode	panel_mode;			// VBIOS VBT panel mode
256 	uint32			bytes_per_row;
257 	uint32			bits_per_pixel;
258 	uint32			dpms_mode;
259 
260 	area_id			registers_area;		// area of memory mapped registers
261 	uint32			register_blocks[REGISTER_BLOCK_COUNT];
262 
263 	uint8*			status_page;
264 	phys_addr_t		physical_status_page;
265 	uint8*			graphics_memory;
266 	phys_addr_t		physical_graphics_memory;
267 	uint32			graphics_memory_size;
268 
269 	addr_t			frame_buffer;
270 	uint32			frame_buffer_offset;
271 
272 	uint32			fdi_link_frequency;	// In Mhz
273 
274 	bool			got_vbt;
275 	bool			single_head_locked;
276 
277 	struct lock		accelerant_lock;
278 	struct lock		engine_lock;
279 
280 	ring_buffer		primary_ring_buffer;
281 
282 	int32			overlay_channel_used;
283 	bool			overlay_active;
284 	uintptr_t		overlay_token;
285 	phys_addr_t		physical_overlay_registers;
286 	uint32			overlay_offset;
287 
288 	bool			hardware_cursor_enabled;
289 	sem_id			vblank_sem;
290 
291 	uint8*			cursor_memory;
292 	phys_addr_t		physical_cursor_memory;
293 	uint32			cursor_buffer_offset;
294 	uint32			cursor_format;
295 	bool			cursor_visible;
296 	uint16			cursor_hot_x;
297 	uint16			cursor_hot_y;
298 
299 	DeviceType		device_type;
300 	char			device_identifier[32];
301 	struct pll_info	pll_info;
302 
303 	enum pch_info	pch_info;
304 
305 	edid1_info		vesa_edid_info;
306 	bool			has_vesa_edid_info;
307 };
308 
309 enum pipe_index {
310     INTEL_PIPE_ANY,
311     INTEL_PIPE_A,
312     INTEL_PIPE_B
313 };
314 
315 //----------------- ioctl() interface ----------------
316 
317 // magic code for ioctls
318 #define INTEL_PRIVATE_DATA_MAGIC		'itic'
319 
320 // list ioctls
321 enum {
322 	INTEL_GET_PRIVATE_DATA = B_DEVICE_OP_CODES_END + 1,
323 
324 	INTEL_GET_DEVICE_NAME,
325 	INTEL_ALLOCATE_GRAPHICS_MEMORY,
326 	INTEL_FREE_GRAPHICS_MEMORY
327 };
328 
329 // retrieve the area_id of the kernel/accelerant shared info
330 struct intel_get_private_data {
331 	uint32	magic;				// magic number
332 	area_id	shared_info_area;
333 };
334 
335 // allocate graphics memory
336 struct intel_allocate_graphics_memory {
337 	uint32	magic;
338 	uint32	size;
339 	uint32	alignment;
340 	uint32	flags;
341 	addr_t	buffer_base;
342 };
343 
344 // free graphics memory
345 struct intel_free_graphics_memory {
346 	uint32 	magic;
347 	addr_t	buffer_base;
348 };
349 
350 //----------------------------------------------------------
351 // Register definitions, taken from X driver
352 
353 // PCI bridge memory management
354 #define INTEL_GRAPHICS_MEMORY_CONTROL	0x52		// i830+
355 
356 	// GGC - (G)MCH Graphics Control Register
357 #define MEMORY_CONTROL_ENABLED			0x0004
358 #define MEMORY_MASK						0x0001
359 #define STOLEN_MEMORY_MASK				0x00f0
360 #define i965_GTT_MASK					0x000e
361 #define G33_GTT_MASK					0x0300
362 #define G4X_GTT_MASK					0x0f00	// GGMS (GSM Memory Size) mask
363 
364 // models i830 and up
365 #define i830_LOCAL_MEMORY_ONLY			0x10
366 #define i830_STOLEN_512K				0x20
367 #define i830_STOLEN_1M					0x30
368 #define i830_STOLEN_8M					0x40
369 #define i830_FRAME_BUFFER_64M			0x01
370 #define i830_FRAME_BUFFER_128M			0x00
371 
372 // models i855 and up
373 #define i855_STOLEN_MEMORY_1M			0x10
374 #define i855_STOLEN_MEMORY_4M			0x20
375 #define i855_STOLEN_MEMORY_8M			0x30
376 #define i855_STOLEN_MEMORY_16M			0x40
377 #define i855_STOLEN_MEMORY_32M			0x50
378 #define i855_STOLEN_MEMORY_48M			0x60
379 #define i855_STOLEN_MEMORY_64M			0x70
380 #define i855_STOLEN_MEMORY_128M			0x80
381 #define i855_STOLEN_MEMORY_256M			0x90
382 
383 #define G4X_STOLEN_MEMORY_96MB			0xa0	// GMS - Graphics Mode Select
384 #define G4X_STOLEN_MEMORY_160MB			0xb0
385 #define G4X_STOLEN_MEMORY_224MB			0xc0
386 #define G4X_STOLEN_MEMORY_352MB			0xd0
387 
388 // SandyBridge (SNB)
389 
390 #define SNB_GRAPHICS_MEMORY_CONTROL		0x50
391 
392 #define SNB_STOLEN_MEMORY_MASK			0xf8
393 #define SNB_STOLEN_MEMORY_32MB			(1 << 3)
394 #define SNB_STOLEN_MEMORY_64MB			(2 << 3)
395 #define SNB_STOLEN_MEMORY_96MB			(3 << 3)
396 #define SNB_STOLEN_MEMORY_128MB			(4 << 3)
397 #define SNB_STOLEN_MEMORY_160MB			(5 << 3)
398 #define SNB_STOLEN_MEMORY_192MB			(6 << 3)
399 #define SNB_STOLEN_MEMORY_224MB			(7 << 3)
400 #define SNB_STOLEN_MEMORY_256MB			(8 << 3)
401 #define SNB_STOLEN_MEMORY_288MB			(9 << 3)
402 #define SNB_STOLEN_MEMORY_320MB			(10 << 3)
403 #define SNB_STOLEN_MEMORY_352MB			(11 << 3)
404 #define SNB_STOLEN_MEMORY_384MB			(12 << 3)
405 #define SNB_STOLEN_MEMORY_416MB			(13 << 3)
406 #define SNB_STOLEN_MEMORY_448MB			(14 << 3)
407 #define SNB_STOLEN_MEMORY_480MB			(15 << 3)
408 #define SNB_STOLEN_MEMORY_512MB			(16 << 3)
409 
410 #define SNB_GTT_SIZE_MASK				(3 << 8)
411 #define SNB_GTT_SIZE_NONE				(0 << 8)
412 #define SNB_GTT_SIZE_1MB				(1 << 8)
413 #define SNB_GTT_SIZE_2MB				(2 << 8)
414 
415 // graphics page translation table
416 #define INTEL_PAGE_TABLE_CONTROL		0x02020
417 #define PAGE_TABLE_ENABLED				0x00000001
418 #define INTEL_PAGE_TABLE_ERROR			0x02024
419 #define INTEL_HARDWARE_STATUS_PAGE		0x02080
420 #define i915_GTT_BASE					0x1c
421 #define i830_GTT_BASE					0x10000	// (- 0x2ffff)
422 #define i830_GTT_SIZE					0x20000
423 #define i965_GTT_BASE					0x80000	// (- 0xfffff)
424 #define i965_GTT_SIZE					0x80000
425 #define i965_GTT_128K					(2 << 1)
426 #define i965_GTT_256K					(1 << 1)
427 #define i965_GTT_512K					(0 << 1)
428 #define G33_GTT_1M						(1 << 8)
429 #define G33_GTT_2M						(2 << 8)
430 #define G4X_GTT_NONE					0x000	// GGMS - GSM Memory Size
431 #define G4X_GTT_1M_NO_IVT				0x100	// no Intel Virtualization Tech.
432 #define G4X_GTT_2M_NO_IVT				0x300
433 #define G4X_GTT_2M_IVT					0x900	// with Intel Virt. Tech.
434 #define G4X_GTT_3M_IVT					0xa00
435 #define G4X_GTT_4M_IVT					0xb00
436 
437 
438 #define GTT_ENTRY_VALID					0x01
439 #define GTT_ENTRY_LOCAL_MEMORY			0x02
440 #define GTT_PAGE_SHIFT					12
441 
442 
443 // ring buffer
444 #define INTEL_PRIMARY_RING_BUFFER		0x02030
445 #define INTEL_SECONDARY_RING_BUFFER_0	0x02100
446 #define INTEL_SECONDARY_RING_BUFFER_1	0x02110
447 // offsets for the ring buffer base registers above
448 #define RING_BUFFER_TAIL				0x0
449 #define RING_BUFFER_HEAD				0x4
450 #define RING_BUFFER_START				0x8
451 #define RING_BUFFER_CONTROL				0xc
452 #define INTEL_RING_BUFFER_SIZE_MASK		0x001ff000
453 #define INTEL_RING_BUFFER_HEAD_MASK		0x001ffffc
454 #define INTEL_RING_BUFFER_ENABLED		1
455 
456 // interrupts
457 #define INTEL_INTERRUPT_ENABLED			0x020a0
458 #define INTEL_INTERRUPT_IDENTITY		0x020a4
459 #define INTEL_INTERRUPT_MASK			0x020a8
460 #define INTEL_INTERRUPT_STATUS			0x020ac
461 #define INTERRUPT_VBLANK_PIPEA			(1 << 7)
462 #define INTERRUPT_VBLANK_PIPEB			(1 << 5)
463 
464 // PCH interrupts
465 #define PCH_INTERRUPT_STATUS			0x44000
466 #define PCH_INTERRUPT_MASK				0x44004
467 #define PCH_INTERRUPT_IDENTITY			0x44008
468 #define PCH_INTERRUPT_ENABLED			0x4400c
469 
470 #define PCH_INTERRUPT_VBLANK_PIPEA		(1 << 0)
471 #define PCH_INTERRUPT_VBLANK_PIPEB		(1 << 5)
472 #define PCH_INTERRUPT_VBLANK_PIPEC		(1 << 10)
473 
474 // SandyBridge had only two pipes, and things were shuffled aroud again with
475 // the introduction of pipe C.
476 #define PCH_INTERRUPT_VBLANK_PIPEA_SNB		(1 << 7)
477 #define PCH_INTERRUPT_VBLANK_PIPEB_SNB		(1 << 15)
478 #define PCH_INTERRUPT_GLOBAL_SNB			(1 << 31)
479 
480 // graphics port control
481 #define DISPLAY_MONITOR_PORT_ENABLED	(1UL << 31)
482 #define DISPLAY_MONITOR_PIPE_B			(1UL << 30)
483 #define DISPLAY_MONITOR_VGA_POLARITY	(1UL << 15)
484 #define DISPLAY_MONITOR_MODE_MASK		(3UL << 10)
485 #define DISPLAY_MONITOR_ON				0
486 #define DISPLAY_MONITOR_SUSPEND			(1UL << 10)
487 #define DISPLAY_MONITOR_STAND_BY		(2UL << 10)
488 #define DISPLAY_MONITOR_OFF				(3UL << 10)
489 #define DISPLAY_MONITOR_POLARITY_MASK	(3UL << 3)
490 #define DISPLAY_MONITOR_POSITIVE_HSYNC	(1UL << 3)
491 #define DISPLAY_MONITOR_POSITIVE_VSYNC	(2UL << 3)
492 #define DISPLAY_MONITOR_PORT_DETECTED	(1UL << 2) // TMDS/DisplayPort only
493 
494 #define LVDS_POST2_RATE_SLOW			14 // PLL Divisors
495 #define LVDS_POST2_RATE_FAST			7
496 #define LVDS_B0B3_POWER_MASK			(3UL << 2)
497 #define LVDS_B0B3_POWER_UP				(3UL << 2)
498 #define LVDS_CLKB_POWER_MASK			(3UL << 4)
499 #define LVDS_CLKB_POWER_UP				(3UL << 4)
500 #define LVDS_A3_POWER_MASK				(3UL << 6)
501 #define LVDS_A3_POWER_UP				(3UL << 6)
502 #define LVDS_A0A2_CLKA_POWER_UP			(3UL << 8)
503 #define LVDS_BORDER_ENABLE				(1UL << 15)
504 #define LVDS_HSYNC_POLARITY				(1UL << 20)
505 #define LVDS_VSYNC_POLARITY				(1UL << 21)
506 #define LVDS_18BIT_DITHER				(1UL << 25)
507 #define LVDS_PORT_EN					(1UL << 31)
508 
509 // PLL flags
510 #define DISPLAY_PLL_ENABLED				(1UL << 31)
511 #define DISPLAY_PLL_2X_CLOCK			(1UL << 30)
512 #define DISPLAY_PLL_SYNC_LOCK_ENABLED	(1UL << 29)
513 #define DISPLAY_PLL_NO_VGA_CONTROL		(1UL << 28)
514 #define DISPLAY_PLL_MODE_NORMAL			(1UL << 26)
515 #define DISPLAY_PLL_MODE_LVDS			(2UL << 26)
516 #define DISPLAY_PLL_DIVIDE_HIGH			(1UL << 24)
517 #define DISPLAY_PLL_DIVIDE_4X			(1UL << 23)
518 #define DISPLAY_PLL_POST1_DIVIDE_2		(1UL << 21)
519 #define DISPLAY_PLL_POST1_DIVISOR_MASK	0x001f0000
520 #define DISPLAY_PLL_9xx_POST1_DIVISOR_MASK	0x00ff0000
521 #define DISPLAY_PLL_IGD_POST1_DIVISOR_MASK  0x00ff8000
522 #define DISPLAY_PLL_POST1_DIVISOR_SHIFT	16
523 #define DISPLAY_PLL_IGD_POST1_DIVISOR_SHIFT	15
524 #define DISPLAY_PLL_DIVISOR_1			(1UL << 8)
525 #define DISPLAY_PLL_N_DIVISOR_MASK		0x001f0000
526 #define DISPLAY_PLL_IGD_N_DIVISOR_MASK	0x00ff0000
527 #define DISPLAY_PLL_M1_DIVISOR_MASK		0x00001f00
528 #define DISPLAY_PLL_M2_DIVISOR_MASK		0x0000001f
529 #define DISPLAY_PLL_IGD_M2_DIVISOR_MASK	0x000000ff
530 #define DISPLAY_PLL_N_DIVISOR_SHIFT		16
531 #define DISPLAY_PLL_M1_DIVISOR_SHIFT	8
532 #define DISPLAY_PLL_M2_DIVISOR_SHIFT	0
533 #define DISPLAY_PLL_PULSE_PHASE_SHIFT	9
534 
535 // display
536 
537 #define INTEL_DISPLAY_OFFSET			0x1000
538 
539 #define INTEL_DISPLAY_A_HTOTAL			(0x0000 | REGS_NORTH_PIPE_AND_PORT)
540 #define INTEL_DISPLAY_A_HBLANK			(0x0004 | REGS_NORTH_PIPE_AND_PORT)
541 #define INTEL_DISPLAY_A_HSYNC			(0x0008 | REGS_NORTH_PIPE_AND_PORT)
542 #define INTEL_DISPLAY_A_VTOTAL			(0x000c | REGS_NORTH_PIPE_AND_PORT)
543 #define INTEL_DISPLAY_A_VBLANK			(0x0010 | REGS_NORTH_PIPE_AND_PORT)
544 #define INTEL_DISPLAY_A_VSYNC			(0x0014 | REGS_NORTH_PIPE_AND_PORT)
545 #define INTEL_DISPLAY_B_HTOTAL			(0x1000 | REGS_NORTH_PIPE_AND_PORT)
546 #define INTEL_DISPLAY_B_HBLANK			(0x1004 | REGS_NORTH_PIPE_AND_PORT)
547 #define INTEL_DISPLAY_B_HSYNC			(0x1008 | REGS_NORTH_PIPE_AND_PORT)
548 #define INTEL_DISPLAY_B_VTOTAL			(0x100c | REGS_NORTH_PIPE_AND_PORT)
549 #define INTEL_DISPLAY_B_VBLANK			(0x1010 | REGS_NORTH_PIPE_AND_PORT)
550 #define INTEL_DISPLAY_B_VSYNC			(0x1014 | REGS_NORTH_PIPE_AND_PORT)
551 
552 #define INTEL_DISPLAY_A_IMAGE_SIZE		(0x001c | REGS_NORTH_PIPE_AND_PORT)
553 #define INTEL_DISPLAY_B_IMAGE_SIZE		(0x101c | REGS_NORTH_PIPE_AND_PORT)
554 
555 // Cougar Point transcoder pipe selection
556 #define  PORT_TRANS_A_SEL_CPT			0
557 #define  PORT_TRANS_B_SEL_CPT			(1<<29)
558 #define  PORT_TRANS_C_SEL_CPT			(2<<29)
559 #define  PORT_TRANS_SEL_MASK			(3<<29)
560 
561 // on PCH we also have to set the transcoder
562 #define INTEL_TRANSCODER_A_HTOTAL		(0x0000 | REGS_SOUTH_TRANSCODER_PORT)
563 #define INTEL_TRANSCODER_A_HBLANK		(0x0004 | REGS_SOUTH_TRANSCODER_PORT)
564 #define INTEL_TRANSCODER_A_HSYNC		(0x0008 | REGS_SOUTH_TRANSCODER_PORT)
565 #define INTEL_TRANSCODER_A_VTOTAL		(0x000c | REGS_SOUTH_TRANSCODER_PORT)
566 #define INTEL_TRANSCODER_A_VBLANK		(0x0010 | REGS_SOUTH_TRANSCODER_PORT)
567 #define INTEL_TRANSCODER_A_VSYNC		(0x0014 | REGS_SOUTH_TRANSCODER_PORT)
568 #define INTEL_TRANSCODER_B_HTOTAL		(0x1000 | REGS_SOUTH_TRANSCODER_PORT)
569 #define INTEL_TRANSCODER_B_HBLANK		(0x1004 | REGS_SOUTH_TRANSCODER_PORT)
570 #define INTEL_TRANSCODER_B_HSYNC		(0x1008 | REGS_SOUTH_TRANSCODER_PORT)
571 #define INTEL_TRANSCODER_B_VTOTAL		(0x100c | REGS_SOUTH_TRANSCODER_PORT)
572 #define INTEL_TRANSCODER_B_VBLANK		(0x1010 | REGS_SOUTH_TRANSCODER_PORT)
573 #define INTEL_TRANSCODER_B_VSYNC		(0x1014 | REGS_SOUTH_TRANSCODER_PORT)
574 
575 #define INTEL_TRANSCODER_A_IMAGE_SIZE	(0x001c | REGS_SOUTH_TRANSCODER_PORT)
576 #define INTEL_TRANSCODER_B_IMAGE_SIZE	(0x101c | REGS_SOUTH_TRANSCODER_PORT)
577 
578 // TODO: Is there consolidation that could happen here with digital ports?
579 
580 #define INTEL_ANALOG_PORT				(0x1100 | REGS_SOUTH_TRANSCODER_PORT)
581 #define INTEL_DIGITAL_PORT_A			(0x1120 | REGS_SOUTH_TRANSCODER_PORT)
582 #define INTEL_DIGITAL_PORT_B			(0x1140 | REGS_SOUTH_TRANSCODER_PORT)
583 #define INTEL_DIGITAL_PORT_C			(0x1160 | REGS_SOUTH_TRANSCODER_PORT)
584 #define INTEL_DIGITAL_LVDS_PORT			(0x1180 | REGS_SOUTH_TRANSCODER_PORT)
585 
586 #define INTEL_HDMI_PORT_B				(0x1140 | REGS_SOUTH_TRANSCODER_PORT)
587 #define INTEL_HDMI_PORT_C				(0x1160 | REGS_SOUTH_TRANSCODER_PORT)
588 
589 #define PCH_HDMI_PORT_B					(0x1140 | REGS_SOUTH_TRANSCODER_PORT)
590 #define PCH_HDMI_PORT_C					(0x1150 | REGS_SOUTH_TRANSCODER_PORT)
591 #define PCH_HDMI_PORT_D					(0x1160 | REGS_SOUTH_TRANSCODER_PORT)
592 
593 #define GEN4_HDMI_PORT_B				(0x1140 | REGS_SOUTH_TRANSCODER_PORT)
594 #define GEN4_HDMI_PORT_C				(0x1160 | REGS_SOUTH_TRANSCODER_PORT)
595 #define CHV_HDMI_PORT_D					(0x116C | REGS_SOUTH_TRANSCODER_PORT)
596 
597 // DDI Buffer Control (This replaces DP on Haswell+)
598 #define DDI_BUF_CTL_A					(0x4000 | REGS_NORTH_PIPE_AND_PORT)
599 #define DDI_BUF_CTL_B					(0x4100 | REGS_NORTH_PIPE_AND_PORT)
600 #define DDI_BUF_CTL_C					(0x4200 | REGS_NORTH_PIPE_AND_PORT)
601 #define DDI_BUF_CTL_D					(0x4300 | REGS_NORTH_PIPE_AND_PORT)
602 #define DDI_BUF_CTL_E					(0x4400 | REGS_NORTH_PIPE_AND_PORT)
603 #define 	DDI_BUF_CTL_ENABLE			(1 << 31)
604 #define 	DDI_BUF_TRANS_SELECT(n)		((n) << 24)
605 #define 	DDI_BUF_EMP_MASK			(0xf << 24)
606 #define 	DDI_BUF_PORT_REVERSAL		(1 << 16)
607 #define 	DDI_BUF_IS_IDLE				(1 << 7)
608 #define 	DDI_A_4_LANES				(1 << 4)
609 #define 	DDI_PORT_WIDTH(width)		(((width) - 1) << 1)
610 #define 	DDI_INIT_DISPLAY_DETECTED	(1 << 0)
611 
612 // DP_A always @ 6xxxx, DP_B-DP_D move with PCH
613 #define INTEL_DISPLAY_PORT_A			(0x4000 | REGS_NORTH_PIPE_AND_PORT)
614 #define INTEL_DISPLAY_PORT_B			(0x4100 | REGS_SOUTH_TRANSCODER_PORT)
615 #define INTEL_DISPLAY_PORT_C			(0x4200 | REGS_SOUTH_TRANSCODER_PORT)
616 #define INTEL_DISPLAY_PORT_D			(0x4300 | REGS_SOUTH_TRANSCODER_PORT)
617 
618 // Unless you're a damn Valley/CherryView unicorn :-(
619 #define VLV_DISPLAY_PORT_B				(VLV_DISPLAY_BASE + 0x64100)
620 #define VLV_DISPLAY_PORT_C				(VLV_DISPLAY_BASE + 0x64200)
621 #define CHV_DISPLAY_PORT_D				(VLV_DISPLAY_BASE + 0x64300)
622 
623 // DP AUX channels
624 #define INTEL_DP_AUX_CTL_A				(0x4010 | REGS_NORTH_PIPE_AND_PORT)
625 #define INTEL_DP_AUX_CTL_B				(0x4110 | REGS_SOUTH_TRANSCODER_PORT)
626 #define INTEL_DP_AUX_CTL_C				(0x4210 | REGS_SOUTH_TRANSCODER_PORT)
627 #define INTEL_DP_AUX_CTL_D				(0x4310 | REGS_SOUTH_TRANSCODER_PORT)
628 
629 #define VLV_DP_AUX_CTL_B				(VLV_DISPLAY_BASE + 0x64110)
630 #define VLV_DP_AUX_CTL_C				(VLV_DISPLAY_BASE + 0x64210)
631 #define CHV_DP_AUX_CTL_D				(VLV_DISPLAY_BASE + 0x64310)
632 
633 #define INTEL_DP_AUX_CTL_BUSY			(1 << 31)
634 #define INTEL_DP_AUX_CTL_DONE			(1 << 30)
635 #define INTEL_DP_AUX_CTL_INTERRUPT		(1 << 29)
636 #define INTEL_DP_AUX_CTL_TIMEOUT_ERROR	(1 << 28)
637 #define INTEL_DP_AUX_CTL_TIMEOUT_400us	(0 << 26)
638 #define INTEL_DP_AUX_CTL_TIMEOUT_600us	(1 << 26)
639 #define INTEL_DP_AUX_CTL_TIMEOUT_800us	(2 << 26)
640 #define INTEL_DP_AUX_CTL_TIMEOUT_1600us (3 << 26)
641 #define INTEL_DP_AUX_CTL_TIMEOUT_MASK	(3 << 26)
642 #define INTEL_DP_AUX_CTL_RECEIVE_ERROR	(1 << 25)
643 #define INTEL_DP_AUX_CTL_MSG_SIZE_MASK	(0x1f << 20)
644 #define INTEL_DP_AUX_CTL_MSG_SIZE_SHIFT 20
645 #define INTEL_DP_AUX_CTL_PRECHARGE_2US_MASK (0xf << 16)
646 #define INTEL_DP_AUX_CTL_PRECHARGE_2US_SHIFT 16
647 #define INTEL_DP_AUX_CTL_BIT_CLOCK_2X_MASK (0x7ff)
648 #define INTEL_DP_AUX_CTL_BIT_CLOCK_2X_SHIFT 0
649 #define INTEL_DP_AUX_CTL_SYNC_PULSE_SKL(c)   ((c) - 1)
650 
651 // planes
652 #define INTEL_PIPE_ENABLED				(1UL << 31)
653 #define INTEL_PIPE_CONTROL				0x0008
654 #define INTEL_PIPE_STATUS				0x0024
655 
656 #define INTEL_PLANE_OFFSET				0x1000
657 
658 #define INTEL_DISPLAY_A_PIPE_CONTROL	(0x0008	| REGS_NORTH_PLANE_CONTROL)
659 #define INTEL_DISPLAY_B_PIPE_CONTROL	(0x1008 | REGS_NORTH_PLANE_CONTROL)
660 #define INTEL_DISPLAY_A_PIPE_STATUS		(0x0024 | REGS_NORTH_PLANE_CONTROL)
661 #define INTEL_DISPLAY_B_PIPE_STATUS		(0x1024 | REGS_NORTH_PLANE_CONTROL)
662 
663 #define DISPLAY_PIPE_VBLANK_ENABLED		(1UL << 17)
664 #define DISPLAY_PIPE_VBLANK_STATUS		(1UL << 1)
665 
666 #define INTEL_DISPLAY_A_CONTROL			(0x0180 | REGS_NORTH_PLANE_CONTROL)
667 #define INTEL_DISPLAY_A_BASE			(0x0184 | REGS_NORTH_PLANE_CONTROL)
668 #define INTEL_DISPLAY_A_BYTES_PER_ROW	(0x0188 | REGS_NORTH_PLANE_CONTROL)
669 #define INTEL_DISPLAY_A_POS				(0x018c | REGS_NORTH_PLANE_CONTROL)
670 	// reserved on A
671 #define INTEL_DISPLAY_A_PIPE_SIZE		(0x0190 | REGS_NORTH_PLANE_CONTROL)
672 #define INTEL_DISPLAY_A_SURFACE			(0x019c | REGS_NORTH_PLANE_CONTROL)
673 	// i965 and up only
674 
675 #define INTEL_DISPLAY_B_CONTROL			(0x1180 | REGS_NORTH_PLANE_CONTROL)
676 #define INTEL_DISPLAY_B_BASE			(0x1184 | REGS_NORTH_PLANE_CONTROL)
677 #define INTEL_DISPLAY_B_BYTES_PER_ROW	(0x1188 | REGS_NORTH_PLANE_CONTROL)
678 #define INTEL_DISPLAY_B_POS				(0x118c | REGS_NORTH_PLANE_CONTROL)
679 #define INTEL_DISPLAY_B_PIPE_SIZE		(0x1190 | REGS_NORTH_PLANE_CONTROL)
680 #define INTEL_DISPLAY_B_SURFACE			(0x119c | REGS_NORTH_PLANE_CONTROL)
681 	// i965 and up only
682 
683 // INTEL_DISPLAY_A_CONTROL source pixel format
684 #define DISPLAY_CONTROL_ENABLED			(1UL << 31)
685 #define DISPLAY_CONTROL_GAMMA			(1UL << 30)
686 #define DISPLAY_CONTROL_COLOR_MASK		(0x0fUL << 26)
687 #define DISPLAY_CONTROL_CMAP8			(2UL << 26)
688 #define DISPLAY_CONTROL_RGB15			(4UL << 26)
689 #define DISPLAY_CONTROL_RGB16			(5UL << 26)
690 #define DISPLAY_CONTROL_RGB32			(6UL << 26)
691 
692 // INTEL_DISPLAY_A_PIPE_CONTROL ILK+
693 #define INTEL_PIPE_DITHER_TYPE_MASK		(0x0000000c)
694 #define INTEL_PIPE_DITHER_TYPE_SP		(0 << 2)
695 #define INTEL_PIPE_DITHER_TYPE_ST1		(1 << 2)
696 #define INTEL_PIPE_DITHER_TYPE_ST2		(2 << 2)
697 #define INTEL_PIPE_DITHER_TYPE_TEMP		(3 << 2)
698 #define INTEL_PIPE_DITHER_EN			(1 << 4)
699 #define INTEL_PIPE_8BPC					(0 << 5)
700 #define INTEL_PIPE_10BPC				(1 << 5)
701 #define INTEL_PIPE_6BPC					(2 << 5)
702 #define INTEL_PIPE_12BPC				(3 << 5)
703 #define INTEL_PIPE_PROGRESSIVE			(0 << 21)
704 
705 // cursors
706 #define INTEL_CURSOR_CONTROL			(0x0080 | REGS_NORTH_PLANE_CONTROL)
707 #define INTEL_CURSOR_BASE				(0x0084 | REGS_NORTH_PLANE_CONTROL)
708 #define INTEL_CURSOR_POSITION			(0x0088 | REGS_NORTH_PLANE_CONTROL)
709 #define INTEL_CURSOR_PALETTE			(0x0090 | REGS_NORTH_PLANE_CONTROL)
710 	// (- 0x009f)
711 #define INTEL_CURSOR_SIZE				(0x00a0 | REGS_NORTH_PLANE_CONTROL)
712 #define CURSOR_ENABLED					(1UL << 31)
713 #define CURSOR_FORMAT_2_COLORS			(0UL << 24)
714 #define CURSOR_FORMAT_3_COLORS			(1UL << 24)
715 #define CURSOR_FORMAT_4_COLORS			(2UL << 24)
716 #define CURSOR_FORMAT_ARGB				(4UL << 24)
717 #define CURSOR_FORMAT_XRGB				(5UL << 24)
718 #define CURSOR_POSITION_NEGATIVE		0x8000
719 #define CURSOR_POSITION_MASK			0x3fff
720 
721 // palette registers
722 #define INTEL_DISPLAY_A_PALETTE			(0xa000 | REGS_NORTH_SHARED)
723 #define INTEL_DISPLAY_B_PALETTE			(0xa800 | REGS_NORTH_SHARED)
724 
725 // PLL registers
726 #define INTEL_DISPLAY_A_PLL				(0x6014 | REGS_SOUTH_SHARED)
727 #define INTEL_DISPLAY_B_PLL				(0x6018 | REGS_SOUTH_SHARED)
728 #define CHV_DISPLAY_C_PLL				(0x6030 | REGS_SOUTH_SHARED)
729 
730 // Ironlake PCH reference clk control
731 #define PCH_DREF_CONTROL					(0x6200 | REGS_SOUTH_SHARED)
732 #define DREF_CONTROL_MASK					0x7fc3
733 #define DREF_CPU_SOURCE_OUTPUT_DISABLE		(0 << 13)
734 #define DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD	(2 << 13)
735 #define DREF_CPU_SOURCE_OUTPUT_NONSPREAD	(3 << 13)
736 #define DREF_CPU_SOURCE_OUTPUT_MASK			(3 << 13)
737 #define DREF_SSC_SOURCE_DISABLE				(0 << 11)
738 #define DREF_SSC_SOURCE_ENABLE				(2 << 11)
739 #define DREF_SSC_SOURCE_MASK				(3 << 11)
740 #define DREF_NONSPREAD_SOURCE_DISABLE		(0 << 9)
741 #define DREF_NONSPREAD_CK505_ENABLE			(1 << 9)
742 #define DREF_NONSPREAD_SOURCE_ENABLE		(2 << 9)
743 #define DREF_NONSPREAD_SOURCE_MASK			(3 << 9)
744 #define DREF_SUPERSPREAD_SOURCE_DISABLE 	(0 << 7)
745 #define DREF_SUPERSPREAD_SOURCE_ENABLE		(2 << 7)
746 #define DREF_SUPERSPREAD_SOURCE_MASK		(3 << 7)
747 #define DREF_SSC4_DOWNSPREAD				(0 << 6)
748 #define DREF_SSC4_CENTERSPREAD				(1 << 6)
749 #define DREF_SSC1_DISABLE					(0 << 1)
750 #define DREF_SSC1_ENABLE					(1 << 1)
751 #define DREF_SSC4_DISABLE					(0 << 0)
752 #define DREF_SSC4_ENABLE					(1 << 0)
753 
754 //  Multiplier Divisor
755 #define INTEL_DISPLAY_A_PLL_MD			(0x601C | REGS_SOUTH_SHARED)
756 #define INTEL_DISPLAY_B_PLL_MD			(0x6020 | REGS_SOUTH_SHARED)
757 #define CHV_DISPLAY_B_PLL_MD			(0x603C | REGS_SOUTH_SHARED)
758 
759 #define INTEL_DISPLAY_A_PLL_DIVISOR_0	(0x6040 | REGS_SOUTH_SHARED)
760 #define INTEL_DISPLAY_A_PLL_DIVISOR_1	(0x6044 | REGS_SOUTH_SHARED)
761 #define INTEL_DISPLAY_B_PLL_DIVISOR_0	(0x6048 | REGS_SOUTH_SHARED)
762 #define INTEL_DISPLAY_B_PLL_DIVISOR_1	(0x604c | REGS_SOUTH_SHARED)
763 
764 // i2c
765 #define INTEL_I2C_IO_A					(0x5010 | REGS_SOUTH_SHARED)
766 #define INTEL_I2C_IO_B					(0x5014 | REGS_SOUTH_SHARED)
767 #define INTEL_I2C_IO_C					(0x5018 | REGS_SOUTH_SHARED)
768 #define INTEL_I2C_IO_D					(0x501c | REGS_SOUTH_SHARED)
769 #define INTEL_I2C_IO_E					(0x5020 | REGS_SOUTH_SHARED)
770 #define INTEL_I2C_IO_F					(0x5024 | REGS_SOUTH_SHARED)
771 #define INTEL_I2C_IO_G					(0x5028 | REGS_SOUTH_SHARED)
772 #define INTEL_I2C_IO_H					(0x502c | REGS_SOUTH_SHARED)
773 
774 #define I2C_CLOCK_DIRECTION_MASK		(1 << 0)
775 #define I2C_CLOCK_DIRECTION_OUT			(1 << 1)
776 #define I2C_CLOCK_VALUE_MASK			(1 << 2)
777 #define I2C_CLOCK_VALUE_OUT				(1 << 3)
778 #define I2C_CLOCK_VALUE_IN				(1 << 4)
779 #define I2C_DATA_DIRECTION_MASK			(1 << 8)
780 #define I2C_DATA_DIRECTION_OUT			(1 << 9)
781 #define I2C_DATA_VALUE_MASK				(1 << 10)
782 #define I2C_DATA_VALUE_OUT				(1 << 11)
783 #define I2C_DATA_VALUE_IN				(1 << 12)
784 #define I2C_RESERVED					((1 << 13) | (1 << 5))
785 
786 // TODO: on IronLake this is in the north shared block at 0x41000
787 #define INTEL_VGA_DISPLAY_CONTROL		(0x1400 | REGS_NORTH_PLANE_CONTROL)
788 #define VGA_DISPLAY_DISABLED			(1UL << 31)
789 
790 // LVDS panel
791 #define INTEL_PANEL_STATUS				(0x1200 | REGS_NORTH_PIPE_AND_PORT)
792 #define INTEL_PANEL_CONTROL				(0x1204 | REGS_NORTH_PIPE_AND_PORT)
793 #define INTEL_PANEL_FIT_CONTROL			(0x1230 | REGS_NORTH_PIPE_AND_PORT)
794 #define INTEL_PANEL_FIT_RATIOS			(0x1234 | REGS_NORTH_PIPE_AND_PORT)
795 
796 // LVDS on IronLake and up
797 #define PCH_PANEL_STATUS				(0x7200 | REGS_SOUTH_SHARED)
798 #define PCH_PANEL_CONTROL				(0x7204 | REGS_SOUTH_SHARED)
799 #define PCH_PANEL_ON_DELAYS				(0x7208 | REGS_SOUTH_SHARED)
800 #define PCH_PANEL_OFF_DELAYS			(0x720c | REGS_SOUTH_SHARED)
801 #define PCH_PANEL_DIVISOR				(0x7210 | REGS_SOUTH_SHARED)
802 #define PCH_LVDS_DETECTED				(1 << 1)
803 
804 #define PANEL_STATUS_POWER_ON			(1UL << 31)
805 #define PANEL_CONTROL_POWER_TARGET_OFF	(0UL << 0)
806 #define PANEL_CONTROL_POWER_TARGET_ON	(1UL << 0)
807 #define PANEL_CONTROL_POWER_TARGET_RST	(1UL << 1)
808 #define PANEL_REGISTER_UNLOCK			(0xabcd << 16)
809 
810 // PCH_PANEL_ON_DELAYS
811 #define PANEL_DELAY_PORT_SELECT_MASK	(3 << 30)
812 #define PANEL_DELAY_PORT_SELECT_LVDS	(0 << 30)
813 #define PANEL_DELAY_PORT_SELECT_DPA		(1 << 30)
814 #define PANEL_DELAY_PORT_SELECT_DPC		(2 << 30)
815 #define PANEL_DELAY_PORT_SELECT_DPD		(3 << 30)
816 
817 // PCH_PANEL_DIVISOR
818 #define PANEL_DIVISOR_REFERENCE_DIV_MASK 0xffffff00
819 #define PANEL_DIVISOR_REFERENCE_DIV_SHIFT 8
820 #define PANEL_DIVISOR_POW_CYCLE_DLY_MASK 0x1f
821 #define PANEL_DIVISOR_POW_CYCLE_DLY_SHIFT 0x1f
822 
823 // Backlight control registers
824 #define PCH_BLC_PWM_CTL2                (0x8250 | REGS_NORTH_SHARED)
825 #define PCH_BLC_PWM_CTL                 (0x8254 | REGS_NORTH_SHARED)
826 #define PCH_SBLC_PWM_CTL2               (0x8254 | REGS_SOUTH_SHARED)
827 
828 #define MCH_BLC_PWM_CTL                 (0x1254 | REGS_NORTH_PIPE_AND_PORT)
829 
830 // ring buffer commands
831 
832 #define COMMAND_NOOP					0x00
833 #define COMMAND_WAIT_FOR_EVENT			(0x03 << 23)
834 #define COMMAND_WAIT_FOR_OVERLAY_FLIP	(1 << 16)
835 
836 #define COMMAND_FLUSH					(0x04 << 23)
837 
838 // overlay flip
839 #define COMMAND_OVERLAY_FLIP			(0x11 << 23)
840 #define COMMAND_OVERLAY_CONTINUE		(0 << 21)
841 #define COMMAND_OVERLAY_ON				(1 << 21)
842 #define COMMAND_OVERLAY_OFF				(2 << 21)
843 #define OVERLAY_UPDATE_COEFFICIENTS		0x1
844 
845 // 2D acceleration
846 #define XY_COMMAND_SOURCE_BLIT			0x54c00006
847 #define XY_COMMAND_COLOR_BLIT			0x54000004
848 #define XY_COMMAND_SETUP_MONO_PATTERN	0x44400007
849 #define XY_COMMAND_SCANLINE_BLIT		0x49400001
850 #define COMMAND_COLOR_BLIT				0x50000003
851 #define COMMAND_BLIT_RGBA				0x00300000
852 
853 #define COMMAND_MODE_SOLID_PATTERN		0x80
854 #define COMMAND_MODE_CMAP8				0x00
855 #define COMMAND_MODE_RGB15				0x02
856 #define COMMAND_MODE_RGB16				0x01
857 #define COMMAND_MODE_RGB32				0x03
858 
859 // overlay
860 #define INTEL_OVERLAY_UPDATE			0x30000
861 #define INTEL_OVERLAY_TEST				0x30004
862 #define INTEL_OVERLAY_STATUS			0x30008
863 #define INTEL_OVERLAY_EXTENDED_STATUS	0x3000c
864 #define INTEL_OVERLAY_GAMMA_5			0x30010
865 #define INTEL_OVERLAY_GAMMA_4			0x30014
866 #define INTEL_OVERLAY_GAMMA_3			0x30018
867 #define INTEL_OVERLAY_GAMMA_2			0x3001c
868 #define INTEL_OVERLAY_GAMMA_1			0x30020
869 #define INTEL_OVERLAY_GAMMA_0			0x30024
870 
871 // FDI - Flexible Display Interface, the interface between the (CPU-internal)
872 // GPU and the PCH display outputs. Proprietary interface, based on DisplayPort
873 // though, so similar link training and all...
874 // There's an FDI transmitter (TX) on the CPU and an FDI receiver (RX) on the
875 // PCH for each display pipe.
876 // FDI receiver A is hooked up to transcoder A, FDI receiver B is hooked up to
877 // transcoder B, so we have the same mapping as with the display pipes.
878 #define PCH_FDI_RX_BASE_REGISTER		0xf0000
879 #define PCH_FDI_RX_PIPE_OFFSET			0x01000
880 #define PCH_FDI_RX_CONTROL				0x00c
881 #define PCH_FDI_RX_MISC					0x010
882 #define PCH_FDI_RX_IIR					0x014
883 #define PCH_FDI_RX_IMR					0x018
884 
885 #define FDI_RX_ENABLE					(1 << 31)
886 #define FDI_RX_PLL_ENABLED				(1 << 13)
887 
888 // FDI_tX interrupt register
889 #define FDI_RX_INTER_LANE_ALIGN         (1 << 10)
890 #define FDI_RX_SYMBOL_LOCK              (1 << 9)
891 #define FDI_RX_BIT_LOCK                 (1 << 8)
892 #define FDI_RX_TRAIN_PATTERN_2_FAIL     (1 << 7)
893 #define FDI_RX_FS_CODE_ERR              (1 << 6)
894 #define FDI_RX_FE_CODE_ERR              (1 << 5)
895 #define FDI_RX_SYMBOL_ERR_RATE_ABOVE    (1 << 4)
896 #define FDI_RX_HDCP_LINK_FAIL           (1 << 3)
897 #define FDI_RX_PIXEL_FIFO_OVERFLOW      (1 << 2)
898 #define FDI_RX_CROSS_CLOCK_OVERFLOW     (1 << 1)
899 #define FDI_RX_SYMBOL_QUEUE_OVERFLOW    (1 << 0)
900 
901 #define FDI_FS_ERRC_ENABLE				(1 << 27)
902 #define FDI_FE_ERRC_ENABLE				(1 << 26)
903 
904 #define PCH_FDI_RX_TRANS_UNIT_SIZE_1	0x30
905 #define PCH_FDI_RX_TRANS_UNIT_SIZE_2	0x38
906 #define FDI_RX_TRANS_UNIT_SIZE(x)		((x - 1) << 25)
907 #define FDI_RX_TRANS_UNIT_MASK			0x7e000000
908 
909 #define FDI_RX_ENHANCE_FRAME_ENABLE		(1 << 6)
910 #define FDI_RX_CLOCK_MASK				(1 << 4)
911 #define FDI_RX_CLOCK_RAW				(0 << 4)
912 #define FDI_RX_CLOCK_PCD				(1 << 4)
913 
914 // FDI RX MISC
915 #define FDI_RX_PWRDN_LANE1_MASK		(3 << 26)
916 #define FDI_RX_PWRDN_LANE1_VAL(x)	((x) << 26)
917 #define FDI_RX_PWRDN_LANE0_MASK		(3 << 24)
918 #define FDI_RX_PWRDN_LANE0_VAL(x)	((x) << 24)
919 #define FDI_RX_TP1_TO_TP2_48		(2 << 20)
920 #define FDI_RX_TP1_TO_TP2_64		(3 << 20)
921 #define FDI_RX_FDI_DELAY_90			(0x90 << 0)
922 
923 #define PCH_FDI_TX_BASE_REGISTER			0x60000
924 #define PCH_FDI_TX_PIPE_OFFSET				0x01000
925 #define PCH_FDI_TX_CONTROL					0x100
926 #define FDI_TX_ENABLE						(1 << 31)
927 #define FDI_LINK_TRAIN_PATTERN_1			(0 << 28)
928 #define FDI_LINK_TRAIN_PATTERN_2			(1 << 28)
929 #define FDI_LINK_TRAIN_PATTERN_IDLE			(2 << 28)
930 #define FDI_LINK_TRAIN_NONE					(3 << 28)
931 #define FDI_LINK_TRAIN_VOLTAGE_0_4V			(0 << 25)
932 #define FDI_LINK_TRAIN_VOLTAGE_0_6V			(1 << 25)
933 #define FDI_LINK_TRAIN_VOLTAGE_0_8V			(2 << 25)
934 #define FDI_LINK_TRAIN_VOLTAGE_1_2V			(3 << 25)
935 #define FDI_LINK_TRAIN_PRE_EMPHASIS_NONE	(0 << 22)
936 #define FDI_LINK_TRAIN_PRE_EMPHASIS_1_5X	(1 << 22)
937 #define FDI_LINK_TRAIN_PRE_EMPHASIS_2X		(2 << 22)
938 #define FDI_LINK_TRAIN_PRE_EMPHASIS_3X		(3 << 22)
939 
940 // SNB A stepping
941 #define FDI_LINK_TRAIN_400MV_0DB_SNB_A		(0x38 << 22)
942 #define FDI_LINK_TRAIN_400MV_6DB_SNB_A		(0x02 << 22)
943 #define FDI_LINK_TRAIN_600MV_3_5DB_SNB_A	(0x01 << 22)
944 #define FDI_LINK_TRAIN_800MV_0DB_SNB_A		(0x00 << 22)
945 
946 // SNB B stepping
947 #define FDI_LINK_TRAIN_400MV_0DB_SNB_B		(0x00 << 22)
948 #define FDI_LINK_TRAIN_400MV_6DB_SNB_B		(0x3a << 22)
949 #define FDI_LINK_TRAIN_600MV_3_5DB_SNB_B	(0x39 << 22)
950 #define FDI_LINK_TRAIN_800MV_0DB_SNB_B		(0x38 << 22)
951 #define FDI_LINK_TRAIN_VOL_EMP_MASK			(0x3f << 22)
952 #define FDI_TX_ENHANCE_FRAME_ENABLE			(1 << 18)
953 #define FDI_TX_PLL_ENABLED					(1 << 14)
954 
955 #define FDI_DP_PORT_WIDTH_SHIFT			19
956 #define FDI_DP_PORT_WIDTH_MASK			(7 << FDI_DP_PORT_WIDTH_SHIFT)
957 #define FDI_DP_PORT_WIDTH(width)		(((width) - 1) << FDI_DP_PORT_WIDTH_SHIFT)
958 
959 #define FDI_PLL_BIOS_0					0x46000
960 #define FDI_PLL_FB_CLOCK_MASK			0xff
961 #define FDI_PLL_BIOS_1					0x46004
962 #define FDI_PLL_BIOS_2					0x46008
963 
964 #define FDI_AUTO_TRAINING				(1 << 10)
965 #define FDI_AUTO_TRAIN_DONE				(1 << 1)
966 
967 #define FDI_LINK_TRAIN_PATTERN_1_CPT	(0 << 8)
968 #define FDI_LINK_TRAIN_PATTERN_2_CPT	(1 << 8)
969 #define FDI_LINK_TRAIN_PATTERN_IDLE_CPT	(2 << 8)
970 #define FDI_LINK_TRAIN_NORMAL_CPT		(3 << 8)
971 #define FDI_LINK_TRAIN_PATTERN_MASK_CPT	(3 << 8)
972 
973 // IvyBridge changes it up because... they hate developers?
974 #define FDI_LINK_TRAIN_PATTERN_1_IVB	(0 << 8)
975 #define FDI_LINK_TRAIN_PATTERN_2_IVB	(1 << 8)
976 #define FDI_LINK_TRAIN_PATTERN_IDLE_IVB	(2 << 8)
977 #define FDI_LINK_TRAIN_NONE_IVB			(3 << 8)
978 
979 #define PCH_FDI_RXA_CHICKEN				(0x200c | REGS_SOUTH_SHARED)
980 #define PCH_FDI_RXB_CHICKEN				(0x2010 | REGS_SOUTH_SHARED)
981 #define FDI_RX_PHASE_SYNC_POINTER_EN	(1 << 0)
982 #define FDI_RX_PHASE_SYNC_POINTER_OVR	(1 << 1)
983 
984 // CPU Panel Fitters - These are for IronLake and up and are the CPU internal
985 // panel fitters.
986 #define PCH_PANEL_FITTER_BASE_REGISTER	0x68000
987 #define PCH_PANEL_FITTER_PIPE_OFFSET	0x00800
988 
989 #define PCH_PANEL_FITTER_WINDOW_POS		0x70
990 #define PCH_PANEL_FITTER_WINDOW_SIZE	0x74
991 #define PCH_PANEL_FITTER_CONTROL		0x80
992 #define PCH_PANEL_FITTER_V_SCALE		0x84
993 #define PCH_PANEL_FITTER_H_SCALE		0x90
994 
995 #define PANEL_FITTER_ENABLED			(1 << 31)
996 #define PANEL_FITTER_FILTER_MASK		(3 << 23)
997 
998 struct overlay_scale {
999 	uint32 _reserved0 : 3;
1000 	uint32 horizontal_scale_fraction : 12;
1001 	uint32 _reserved1 : 1;
1002 	uint32 horizontal_downscale_factor : 3;
1003 	uint32 _reserved2 : 1;
1004 	uint32 vertical_scale_fraction : 12;
1005 };
1006 
1007 #define OVERLAY_FORMAT_RGB15			0x2
1008 #define OVERLAY_FORMAT_RGB16			0x3
1009 #define OVERLAY_FORMAT_RGB32			0x1
1010 #define OVERLAY_FORMAT_YCbCr422			0x8
1011 #define OVERLAY_FORMAT_YCbCr411			0x9
1012 #define OVERLAY_FORMAT_YCbCr420			0xc
1013 
1014 #define OVERLAY_MIRROR_NORMAL			0x0
1015 #define OVERLAY_MIRROR_HORIZONTAL		0x1
1016 #define OVERLAY_MIRROR_VERTICAL			0x2
1017 
1018 // The real overlay registers are written to using an update buffer
1019 
1020 struct overlay_registers {
1021 	uint32 buffer_rgb0;
1022 	uint32 buffer_rgb1;
1023 	uint32 buffer_u0;
1024 	uint32 buffer_v0;
1025 	uint32 buffer_u1;
1026 	uint32 buffer_v1;
1027 	// (0x18) OSTRIDE - overlay stride
1028 	uint16 stride_rgb;
1029 	uint16 stride_uv;
1030 	// (0x1c) YRGB_VPH - Y/RGB vertical phase
1031 	uint16 vertical_phase0_rgb;
1032 	uint16 vertical_phase1_rgb;
1033 	// (0x20) UV_VPH - UV vertical phase
1034 	uint16 vertical_phase0_uv;
1035 	uint16 vertical_phase1_uv;
1036 	// (0x24) HORZ_PH - horizontal phase
1037 	uint16 horizontal_phase_rgb;
1038 	uint16 horizontal_phase_uv;
1039 	// (0x28) INIT_PHS - initial phase shift
1040 	uint32 initial_vertical_phase0_shift_rgb0 : 4;
1041 	uint32 initial_vertical_phase1_shift_rgb0 : 4;
1042 	uint32 initial_horizontal_phase_shift_rgb0 : 4;
1043 	uint32 initial_vertical_phase0_shift_uv : 4;
1044 	uint32 initial_vertical_phase1_shift_uv : 4;
1045 	uint32 initial_horizontal_phase_shift_uv : 4;
1046 	uint32 _reserved0 : 8;
1047 	// (0x2c) DWINPOS - destination window position
1048 	uint16 window_left;
1049 	uint16 window_top;
1050 	// (0x30) DWINSZ - destination window size
1051 	uint16 window_width;
1052 	uint16 window_height;
1053 	// (0x34) SWIDTH - source width
1054 	uint16 source_width_rgb;
1055 	uint16 source_width_uv;
1056 	// (0x38) SWITDHSW - source width in 8 byte steps
1057 	uint16 source_bytes_per_row_rgb;
1058 	uint16 source_bytes_per_row_uv;
1059 	uint16 source_height_rgb;
1060 	uint16 source_height_uv;
1061 	overlay_scale scale_rgb;
1062 	overlay_scale scale_uv;
1063 	// (0x48) OCLRC0 - overlay color correction 0
1064 	uint32 brightness_correction : 8;		// signed, -128 to 127
1065 	uint32 _reserved1 : 10;
1066 	uint32 contrast_correction : 9;			// fixed point: 3.6 bits
1067 	uint32 _reserved2 : 5;
1068 	// (0x4c) OCLRC1 - overlay color correction 1
1069 	uint32 saturation_cos_correction : 10;	// fixed point: 3.7 bits
1070 	uint32 _reserved3 : 6;
1071 	uint32 saturation_sin_correction : 11;	// signed fixed point: 3.7 bits
1072 	uint32 _reserved4 : 5;
1073 	// (0x50) DCLRKV - destination color key value
1074 	uint32 color_key_blue : 8;
1075 	uint32 color_key_green : 8;
1076 	uint32 color_key_red : 8;
1077 	uint32 _reserved5 : 8;
1078 	// (0x54) DCLRKM - destination color key mask
1079 	uint32 color_key_mask_blue : 8;
1080 	uint32 color_key_mask_green : 8;
1081 	uint32 color_key_mask_red : 8;
1082 	uint32 _reserved6 : 7;
1083 	uint32 color_key_enabled : 1;
1084 	// (0x58) SCHRKVH - source chroma key high value
1085 	uint32 source_chroma_key_high_red : 8;
1086 	uint32 source_chroma_key_high_blue : 8;
1087 	uint32 source_chroma_key_high_green : 8;
1088 	uint32 _reserved7 : 8;
1089 	// (0x5c) SCHRKVL - source chroma key low value
1090 	uint32 source_chroma_key_low_red : 8;
1091 	uint32 source_chroma_key_low_blue : 8;
1092 	uint32 source_chroma_key_low_green : 8;
1093 	uint32 _reserved8 : 8;
1094 	// (0x60) SCHRKEN - source chroma key enable
1095 	uint32 _reserved9 : 24;
1096 	uint32 source_chroma_key_red_enabled : 1;
1097 	uint32 source_chroma_key_blue_enabled : 1;
1098 	uint32 source_chroma_key_green_enabled : 1;
1099 	uint32 _reserved10 : 5;
1100 	// (0x64) OCONFIG - overlay configuration
1101 	uint32 _reserved11 : 3;
1102 	uint32 color_control_output_mode : 1;
1103 	uint32 yuv_to_rgb_bypass : 1;
1104 	uint32 _reserved12 : 11;
1105 	uint32 gamma2_enabled : 1;
1106 	uint32 _reserved13 : 1;
1107 	uint32 select_pipe : 1;
1108 	uint32 slot_time : 8;
1109 	uint32 _reserved14 : 5;
1110 	// (0x68) OCOMD - overlay command
1111 	uint32 overlay_enabled : 1;
1112 	uint32 active_field : 1;
1113 	uint32 active_buffer : 2;
1114 	uint32 test_mode : 1;
1115 	uint32 buffer_field_mode : 1;
1116 	uint32 _reserved15 : 1;
1117 	uint32 tv_flip_field_enabled : 1;
1118 	uint32 _reserved16 : 1;
1119 	uint32 tv_flip_field_parity : 1;
1120 	uint32 source_format : 4;
1121 	uint32 ycbcr422_order : 2;
1122 	uint32 _reserved18 : 1;
1123 	uint32 mirroring_mode : 2;
1124 	uint32 _reserved19 : 13;
1125 
1126 	uint32 _reserved20;
1127 
1128 	uint32 start_0y;
1129 	uint32 start_1y;
1130 	uint32 start_0u;
1131 	uint32 start_0v;
1132 	uint32 start_1u;
1133 	uint32 start_1v;
1134 	uint32 _reserved21[6];
1135 #if 0
1136 	// (0x70) AWINPOS - alpha blend window position
1137 	uint32 awinpos;
1138 	// (0x74) AWINSZ - alpha blend window size
1139 	uint32 awinsz;
1140 
1141 	uint32 _reserved21[10];
1142 #endif
1143 
1144 	// (0xa0) FASTHSCALE - fast horizontal downscale (strangely enough,
1145 	// the next two registers switch the usual Y/RGB vs. UV order)
1146 	uint16 horizontal_scale_uv;
1147 	uint16 horizontal_scale_rgb;
1148 	// (0xa4) UVSCALEV - vertical downscale
1149 	uint16 vertical_scale_uv;
1150 	uint16 vertical_scale_rgb;
1151 
1152 	uint32 _reserved22[86];
1153 
1154 	// (0x200) polyphase filter coefficients
1155 	uint16 vertical_coefficients_rgb[128];
1156 	uint16 horizontal_coefficients_rgb[128];
1157 
1158 	uint32	_reserved23[64];
1159 
1160 	// (0x500)
1161 	uint16 vertical_coefficients_uv[128];
1162 	uint16 horizontal_coefficients_uv[128];
1163 };
1164 
1165 // i965 overlay support is currently realized using its 3D hardware
1166 #define INTEL_i965_OVERLAY_STATE_SIZE	36864
1167 #define INTEL_i965_3D_CONTEXT_SIZE		32768
1168 
1169 inline bool
1170 intel_uses_physical_overlay(intel_shared_info &info)
1171 {
1172 	return !info.device_type.InGroup(INTEL_GROUP_Gxx);
1173 }
1174 
1175 
1176 struct hardware_status {
1177 	uint32	interrupt_status_register;
1178 	uint32	_reserved0[3];
1179 	void*	primary_ring_head_storage;
1180 	uint32	_reserved1[3];
1181 	void*	secondary_ring_0_head_storage;
1182 	void*	secondary_ring_1_head_storage;
1183 	uint32	_reserved2[2];
1184 	void*	binning_head_storage;
1185 	uint32	_reserved3[3];
1186 	uint32	store[1008];
1187 };
1188 
1189 #endif	/* INTEL_EXTREME_H */
1190