xref: /haiku/headers/private/graphics/intel_extreme/intel_extreme.h (revision 084e24d0bf3808808e2bf58d4d65f493bd2b8f49)
1 /*
2  * Copyright 2006-2016, Haiku, Inc. All Rights Reserved.
3  * Distributed under the terms of the MIT License.
4  *
5  * Authors:
6  *		Axel Dörfler, axeld@pinc-software.de
7  *		Alexander von Gluck, kallisti5@unixzen.com
8  */
9 #ifndef INTEL_EXTREME_H
10 #define INTEL_EXTREME_H
11 
12 
13 #include "lock.h"
14 
15 #include <Accelerant.h>
16 #include <Drivers.h>
17 #include <PCI.h>
18 
19 #include <edid.h>
20 
21 
22 #define VENDOR_ID_INTEL			0x8086
23 
24 #define INTEL_FAMILY_MASK	0x00ff0000
25 #define INTEL_GROUP_MASK	0x00fffff0
26 #define INTEL_MODEL_MASK	0x00ffffff
27 #define INTEL_TYPE_MASK		0x0000000f
28 
29 // families
30 #define INTEL_FAMILY_8xx	0x00020000	// Second Gen
31 #define INTEL_FAMILY_9xx	0x00040000	// Third Gen +
32 #define INTEL_FAMILY_SER5	0x00080000	// Intel5 Series
33 #define INTEL_FAMILY_SOC0	0x00200000  // Atom SOC
34 #define INTEL_FAMILY_LAKE	0x00400000	// Intel Lakes
35 
36 // groups
37 #define INTEL_GROUP_83x		(INTEL_FAMILY_8xx  | 0x0010)
38 #define INTEL_GROUP_85x		(INTEL_FAMILY_8xx  | 0x0020)
39 #define INTEL_GROUP_91x		(INTEL_FAMILY_9xx  | 0x0010)
40 #define INTEL_GROUP_94x		(INTEL_FAMILY_9xx  | 0x0020)
41 #define INTEL_GROUP_96x		(INTEL_FAMILY_9xx  | 0x0040)
42 #define INTEL_GROUP_Gxx		(INTEL_FAMILY_9xx  | 0x0080)
43 #define INTEL_GROUP_G4x		(INTEL_FAMILY_9xx  | 0x0100)
44 #define INTEL_GROUP_PIN		(INTEL_FAMILY_9xx  | 0x0200)  // PineView
45 #define INTEL_GROUP_ILK		(INTEL_FAMILY_SER5 | 0x0010)  // IronLake
46 #define INTEL_GROUP_SNB		(INTEL_FAMILY_SER5 | 0x0020)  // SandyBridge
47 #define INTEL_GROUP_IVB		(INTEL_FAMILY_SER5 | 0x0040)  // IvyBridge
48 #define INTEL_GROUP_HAS		(INTEL_FAMILY_SER5 | 0x0080)  // Haswell
49 #define INTEL_GROUP_VLV		(INTEL_FAMILY_SOC0 | 0x0010)  // ValleyView
50 #define INTEL_GROUP_CHV		(INTEL_FAMILY_SOC0 | 0x0020)  // CherryView
51 #define INTEL_GROUP_BDW		(INTEL_FAMILY_SOC0 | 0x0040)  // Broadwell
52 #define INTEL_GROUP_SKY		(INTEL_FAMILY_LAKE | 0x0010)  // SkyLake
53 #define INTEL_GROUP_KBY		(INTEL_FAMILY_LAKE | 0x0020)  // KabyLake
54 #define INTEL_GROUP_CFL		(INTEL_FAMILY_LAKE | 0x0040)  // CoffeeLake
55 #define INTEL_GROUP_CML		(INTEL_FAMILY_LAKE | 0x0080)  // CometLake
56 #define INTEL_GROUP_JSL		(INTEL_FAMILY_LAKE | 0x0100)  // JasperLake
57 #define INTEL_GROUP_TGL		(INTEL_FAMILY_LAKE | 0x0200)  // TigerLake
58 // models
59 #define INTEL_TYPE_SERVER	0x0004
60 #define INTEL_TYPE_MOBILE	0x0008
61 #define INTEL_MODEL_915		(INTEL_GROUP_91x)
62 #define INTEL_MODEL_915M	(INTEL_GROUP_91x | INTEL_TYPE_MOBILE)
63 #define INTEL_MODEL_945		(INTEL_GROUP_94x)
64 #define INTEL_MODEL_945M	(INTEL_GROUP_94x | INTEL_TYPE_MOBILE)
65 #define INTEL_MODEL_965		(INTEL_GROUP_96x)
66 #define INTEL_MODEL_965M	(INTEL_GROUP_96x | INTEL_TYPE_MOBILE)
67 #define INTEL_MODEL_G33		(INTEL_GROUP_Gxx)
68 #define INTEL_MODEL_G45		(INTEL_GROUP_G4x)
69 #define INTEL_MODEL_GM45	(INTEL_GROUP_G4x | INTEL_TYPE_MOBILE)
70 #define INTEL_MODEL_PINE	(INTEL_GROUP_PIN)
71 #define INTEL_MODEL_PINEM	(INTEL_GROUP_PIN | INTEL_TYPE_MOBILE)
72 #define INTEL_MODEL_ILKG	(INTEL_GROUP_ILK)
73 #define INTEL_MODEL_ILKGM	(INTEL_GROUP_ILK | INTEL_TYPE_MOBILE)
74 #define INTEL_MODEL_SNBG	(INTEL_GROUP_SNB)
75 #define INTEL_MODEL_SNBGM	(INTEL_GROUP_SNB | INTEL_TYPE_MOBILE)
76 #define INTEL_MODEL_SNBGS	(INTEL_GROUP_SNB | INTEL_TYPE_SERVER)
77 #define INTEL_MODEL_IVBG	(INTEL_GROUP_IVB)
78 #define INTEL_MODEL_IVBGM	(INTEL_GROUP_IVB | INTEL_TYPE_MOBILE)
79 #define INTEL_MODEL_IVBGS	(INTEL_GROUP_IVB | INTEL_TYPE_SERVER)
80 #define INTEL_MODEL_HAS		(INTEL_GROUP_HAS)
81 #define INTEL_MODEL_HASM	(INTEL_GROUP_HAS | INTEL_TYPE_MOBILE)
82 #define INTEL_MODEL_VLV		(INTEL_GROUP_VLV)
83 #define INTEL_MODEL_VLVM	(INTEL_GROUP_VLV | INTEL_TYPE_MOBILE)
84 #define INTEL_MODEL_BDW		(INTEL_GROUP_BDW)
85 #define INTEL_MODEL_BDWM	(INTEL_GROUP_BDW | INTEL_TYPE_MOBILE)
86 #define INTEL_MODEL_BDWS	(INTEL_GROUP_BDW | INTEL_TYPE_SERVER)
87 #define INTEL_MODEL_SKY		(INTEL_GROUP_SKY)
88 #define INTEL_MODEL_SKYM	(INTEL_GROUP_SKY | INTEL_TYPE_MOBILE)
89 #define INTEL_MODEL_SKYS	(INTEL_GROUP_SKY | INTEL_TYPE_SERVER)
90 #define INTEL_MODEL_KBY		(INTEL_GROUP_KBY)
91 #define INTEL_MODEL_KBYM	(INTEL_GROUP_KBY | INTEL_TYPE_MOBILE)
92 #define INTEL_MODEL_CFL		(INTEL_GROUP_CFL)
93 #define INTEL_MODEL_CFLM	(INTEL_GROUP_CFL | INTEL_TYPE_MOBILE)
94 #define INTEL_MODEL_CML		(INTEL_GROUP_CML)
95 #define INTEL_MODEL_CMLM	(INTEL_GROUP_CML | INTEL_TYPE_MOBILE)
96 #define INTEL_MODEL_JSL		(INTEL_GROUP_JSL)
97 #define INTEL_MODEL_JSLM	(INTEL_GROUP_JSL | INTEL_TYPE_MOBILE)
98 #define INTEL_MODEL_TGLM	(INTEL_GROUP_TGL | INTEL_TYPE_MOBILE)
99 
100 #define INTEL_PCH_DEVICE_ID_MASK	0xff80
101 #define INTEL_PCH_IBX_DEVICE_ID		0x3b00
102 #define INTEL_PCH_CPT_DEVICE_ID		0x1c00
103 #define INTEL_PCH_PPT_DEVICE_ID		0x1e00
104 #define INTEL_PCH_LPT_DEVICE_ID		0x8c00
105 #define INTEL_PCH_LPT_LP_DEVICE_ID	0x9c00
106 #define INTEL_PCH_WPT_DEVICE_ID		0x8c80
107 #define INTEL_PCH_WPT_LP_DEVICE_ID	0x9c80
108 #define INTEL_PCH_SPT_DEVICE_ID		0xa100
109 #define INTEL_PCH_SPT_LP_DEVICE_ID	0x9d00
110 #define INTEL_PCH_KBP_DEVICE_ID		0xa280
111 #define INTEL_PCH_CNP_DEVICE_ID		0xa300
112 #define INTEL_PCH_CNP_LP_DEVICE_ID	0x9d80
113 #define INTEL_PCH_CMP_DEVICE_ID		0x0280
114 #define INTEL_PCH_CMP2_DEVICE_ID	0x0680
115 #define INTEL_PCH_CMP_V_DEVICE_ID	0xa380
116 #define INTEL_PCH_ICP_DEVICE_ID		0x3480
117 #define INTEL_PCH_ICP2_DEVICE_ID	0x3880
118 #define INTEL_PCH_MCC_DEVICE_ID		0x4b00
119 #define INTEL_PCH_TGP_DEVICE_ID		0xa080
120 #define INTEL_PCH_TGP2_DEVICE_ID	0x4380
121 #define INTEL_PCH_JSP_DEVICE_ID		0x4d80
122 #define INTEL_PCH_ADP_DEVICE_ID		0x7a80
123 #define INTEL_PCH_ADP2_DEVICE_ID	0x5180
124 #define INTEL_PCH_ADP3_DEVICE_ID	0x7a00
125 #define INTEL_PCH_ADP4_DEVICE_ID	0x5480
126 #define INTEL_PCH_P2X_DEVICE_ID		0x7100
127 #define INTEL_PCH_P3X_DEVICE_ID		0x7000
128 
129 // ValleyView MMIO offset
130 #define VLV_DISPLAY_BASE		0x180000
131 
132 #define DEVICE_NAME				"intel_extreme"
133 #define INTEL_ACCELERANT_NAME	"intel_extreme.accelerant"
134 
135 // We encode the register block into the value and extract/translate it when
136 // actually accessing.
137 #define REGISTER_BLOCK_COUNT				6
138 #define REGISTER_BLOCK_SHIFT				24
139 #define REGISTER_BLOCK_MASK					0xff000000
140 #define REGISTER_REGISTER_MASK				0x00ffffff
141 #define REGISTER_BLOCK(x) ((x & REGISTER_BLOCK_MASK) >> REGISTER_BLOCK_SHIFT)
142 #define REGISTER_REGISTER(x) (x & REGISTER_REGISTER_MASK)
143 
144 #define REGS_FLAT							(0 << REGISTER_BLOCK_SHIFT)
145 #define REGS_NORTH_SHARED					(1 << REGISTER_BLOCK_SHIFT)
146 #define REGS_NORTH_PIPE_AND_PORT			(2 << REGISTER_BLOCK_SHIFT)
147 #define REGS_NORTH_PLANE_CONTROL			(3 << REGISTER_BLOCK_SHIFT)
148 #define REGS_SOUTH_SHARED					(4 << REGISTER_BLOCK_SHIFT)
149 #define REGS_SOUTH_TRANSCODER_PORT			(5 << REGISTER_BLOCK_SHIFT)
150 
151 // register blocks for (G)MCH/ICH based platforms
152 #define MCH_SHARED_REGISTER_BASE						0x00000
153 #define MCH_PIPE_AND_PORT_REGISTER_BASE					0x60000
154 #define MCH_PLANE_CONTROL_REGISTER_BASE					0x70000
155 
156 #define ICH_SHARED_REGISTER_BASE						0x00000
157 #define ICH_PORT_REGISTER_BASE							0x60000
158 
159 // PCH - Platform Control Hub - Some hardware moves from a MCH/ICH based
160 // setup to a PCH based one, that means anything that used to communicate via
161 // (G)MCH registers needs to use different ones on PCH based platforms
162 // (Ironlake, SandyBridge, IvyBridge, Some Haswell).
163 #define PCH_NORTH_SHARED_REGISTER_BASE					0x40000
164 #define PCH_NORTH_PIPE_AND_PORT_REGISTER_BASE			0x60000
165 #define PCH_NORTH_PLANE_CONTROL_REGISTER_BASE			0x70000
166 #define PCH_SOUTH_SHARED_REGISTER_BASE					0xc0000
167 #define PCH_SOUTH_TRANSCODER_AND_PORT_REGISTER_BASE		0xe0000
168 
169 
170 struct DeviceType {
171 	uint32			type;
172 
173 	DeviceType(int t)
174 	{
175 		type = t;
176 	}
177 
178 	DeviceType& operator=(int t)
179 	{
180 		type = t;
181 		return *this;
182 	}
183 
184 	bool InFamily(uint32 family) const
185 	{
186 		return (type & INTEL_FAMILY_MASK) == family;
187 	}
188 
189 	bool InGroup(uint32 group) const
190 	{
191 		return (type & INTEL_GROUP_MASK) == group;
192 	}
193 
194 	bool IsModel(uint32 model) const
195 	{
196 		return (type & INTEL_MODEL_MASK) == model;
197 	}
198 
199 	bool IsMobile() const
200 	{
201 		return (type & INTEL_TYPE_MASK) == INTEL_TYPE_MOBILE;
202 	}
203 
204 	bool SupportsHDMI() const
205 	{
206 		return InGroup(INTEL_GROUP_G4x) || InFamily(INTEL_FAMILY_SER5)
207 			|| InFamily(INTEL_FAMILY_SOC0);
208 	}
209 
210 	bool HasDDI() const
211 	{
212 		// Intel Digital Display Interface
213 		return InGroup(INTEL_GROUP_HAS) || (Generation() >= 8);
214 	}
215 
216 	int Generation() const
217 	{
218 		if (InFamily(INTEL_FAMILY_8xx))
219 			return 2;
220 		if (InGroup(INTEL_GROUP_91x) || InGroup(INTEL_GROUP_94x)
221 				|| IsModel(INTEL_MODEL_G33) || InGroup(INTEL_GROUP_PIN))
222 			return 3;
223 		if (InFamily(INTEL_FAMILY_9xx))
224 			return 4;
225 		if (InGroup(INTEL_GROUP_ILK))
226 			return 5;
227 		if (InGroup(INTEL_GROUP_SNB))
228 			return 6;
229 		if (InFamily(INTEL_FAMILY_SER5) || InGroup(INTEL_GROUP_VLV))
230 			return 7;
231 		if (InGroup(INTEL_GROUP_CHV) || InGroup(INTEL_GROUP_BDW))
232 			return 8;
233 		if (InGroup(INTEL_GROUP_JSL))
234 			return 11;
235 		if (InGroup(INTEL_GROUP_TGL))
236 			return 12;
237 		if (InFamily(INTEL_FAMILY_LAKE))
238 			return 9;
239 
240 		// Generation 0 means something is wrong :-)
241 		return 0;
242 	}
243 };
244 
245 enum port_index {
246 	INTEL_PORT_ANY,				// wildcard for lookup functions
247 	INTEL_PORT_A,
248 	INTEL_PORT_B,
249 	INTEL_PORT_C,
250 	INTEL_PORT_D,
251 	INTEL_PORT_E,
252 	INTEL_PORT_F,
253 	INTEL_PORT_G
254 };
255 
256 enum pch_info {
257 	INTEL_PCH_NONE = 0,		// No PCH present
258 	INTEL_PCH_IBX,			// Ibexpeak
259 	INTEL_PCH_CPT,			// Cougarpoint
260 	INTEL_PCH_LPT,			// Lynxpoint
261 	INTEL_PCH_SPT,			// SunrisePoint
262 	INTEL_PCH_CNP,			// CannonLake
263 	INTEL_PCH_ICP,			// IceLake
264 	INTEL_PCH_JSP,			// JasperLake
265 	INTEL_PCH_MCC,			// Mule Creek Canyon
266 	INTEL_PCH_TGP,			// TigerLake
267 	INTEL_PCH_ADP,			// AlderLake
268 	INTEL_PCH_NOP
269 };
270 
271 // info about PLL on graphics card
272 struct pll_info {
273 	uint32			reference_frequency;
274 	uint32			max_frequency;
275 	uint32			min_frequency;
276 	uint32			divisor_register;
277 };
278 
279 struct ring_buffer {
280 	struct lock		lock;
281 	uint32			register_base;
282 	uint32			offset;
283 	uint32			size;
284 	uint32			position;
285 	uint32			space_left;
286 	uint8*			base;
287 };
288 
289 
290 struct child_device_config {
291 	uint16 handle;
292 	uint16 device_type;
293 #define DEVICE_TYPE_ANALOG_OUTPUT		(1 << 0)
294 #define DEVICE_TYPE_DIGITAL_OUTPUT		(1 << 1)
295 #define DEVICE_TYPE_DISPLAYPORT_OUTPUT	(1 << 2)
296 #define DEVICE_TYPE_VIDEO_SIGNALING		(1 << 3)
297 #define DEVICE_TYPE_TMDS_DVI_SIGNALING	(1 << 4)
298 #define DEVICE_TYPE_LVDS_SIGNALING		(1 << 5)
299 #define DEVICE_TYPE_HIGH_SPEED_LINK		(1 << 6)
300 #define DEVICE_TYPE_DUAL_CHANNEL		(1 << 8)
301 #define DEVICE_TYPE_COMPOSITE_OUTPUT	(1 << 9)
302 #define DEVICE_TYPE_MIPI_OUTPUT			(1 << 10)
303 #define DEVICE_TYPE_NOT_HDMI_OUTPUT		(1 << 11)
304 #define DEVICE_TYPE_INTERNAL_CONNECTOR	(1 << 12)
305 #define DEVICE_TYPE_HOTPLUG_SIGNALING	(1 << 13)
306 #define DEVICE_TYPE_POWER_MANAGEMENT	(1 << 14)
307 #define DEVICE_TYPE_CLASS_EXTENSION		(1 << 15)
308 
309 	uint8 device_id[10];
310 	uint16 addin_offset;
311 	uint8 dvo_port;
312 	uint8 i2c_pin;
313 	uint8 slave_addr;
314 	uint8 ddc_pin;
315 	uint16 edid_ptr;
316 	uint8 dvo_cfg;
317 
318 	struct {
319 		bool efp_routed:1;
320 		bool lane_reversal:1;
321 		bool lspcon:1;
322 		bool iboost:1;
323 		bool hpd_invert:1;
324 		bool use_vbt_vswing:1;
325 		uint8 reserved:2;
326 		bool hdmi_support:1;
327 		bool dp_support:1;
328 		bool tmds_support:1;
329 		uint8 reserved2:5;
330 		uint8 aux_channel;
331 		uint8 dongle_detect;
332 	} __attribute__((packed));
333 
334 	uint8 caps;
335 	uint8 dvo_wiring;
336 	uint8 dvo2_wiring;
337 	uint16 extended_type;
338 	uint8 dvo_function;
339 
340 	bool dp_usb_type_c:1;
341 	bool tbt:1;
342 	uint8 reserved3:2;
343 	uint8 dp_port_trace_length:4;
344 	uint8 dp_gpio_index;
345 	uint8 dp_gpio_pin_num;
346 	uint8 dp_iboost_level:4;
347 	uint8 hdmi_iboost_level:4;
348 	uint8 dp_max_link_rate:3;
349 	uint8 dp_max_link_rate_reserved:5;
350 } __attribute__((packed));
351 
352 
353 enum dvo_port {
354 	DVO_PORT_HDMIA,
355 	DVO_PORT_HDMIB,
356 	DVO_PORT_HDMIC,
357 	DVO_PORT_HDMID,
358 	DVO_PORT_LVDS,
359 	DVO_PORT_TV,
360 	DVO_PORT_CRT,
361 	DVO_PORT_DPB,
362 	DVO_PORT_DPC,
363 	DVO_PORT_DPD,
364 	DVO_PORT_DPA,
365 	DVO_PORT_DPE,
366 	DVO_PORT_HDMIE,
367 	DVO_PORT_DPF,
368 	DVO_PORT_HDMIF,
369 	DVO_PORT_DPG,
370 	DVO_PORT_HDMIG,
371 	DVO_PORT_DPH,
372 	DVO_PORT_HDMIH,
373 	DVO_PORT_DPI,
374 	DVO_PORT_HDMII,
375 };
376 
377 
378 enum dp_aux_channel {
379 	DP_AUX_A = 0x40,
380 	DP_AUX_B = 0x10,
381 	DP_AUX_C = 0x20,
382 	DP_AUX_D = 0x30,
383 	DP_AUX_E = 0x50,
384 	DP_AUX_F = 0x60,
385 	DP_AUX_G = 0x70,
386 	DP_AUX_H = 0x80,
387 	DP_AUX_I = 0x90
388 };
389 
390 
391 enum aux_channel {
392 	AUX_CH_A,
393 	AUX_CH_B,
394 	AUX_CH_C,
395 	AUX_CH_D,
396 	AUX_CH_E,
397 	AUX_CH_F,
398 	AUX_CH_G,
399 	AUX_CH_H,
400 	AUX_CH_I,
401 };
402 
403 
404 enum hpd_pin {
405 	HPD_PORT_A,
406 	HPD_PORT_B,
407 	HPD_PORT_C,
408 	HPD_PORT_D,
409 	HPD_PORT_E,
410 	HPD_PORT_TC1,
411 	HPD_PORT_TC2,
412 	HPD_PORT_TC3,
413 	HPD_PORT_TC4,
414 	HPD_PORT_TC5,
415 	HPD_PORT_TC6,
416 };
417 
418 
419 struct intel_shared_info {
420 	area_id			mode_list_area;		// area containing display mode list
421 	uint32			mode_count;
422 
423 	display_mode	current_mode;		// pretty much a hack until per-display modes
424 	display_timing	panel_timing;		// Hardware timings of the LVDS panel, extracted from BIOS
425 	uint32			bytes_per_row;
426 	uint32			bits_per_pixel;
427 	uint32			dpms_mode;
428 	uint16			min_brightness;
429 
430 	area_id			registers_area;		// area of memory mapped registers
431 	uint32			register_blocks[REGISTER_BLOCK_COUNT];
432 
433 	uint8*			status_page;
434 	phys_addr_t		physical_status_page;
435 	uint8*			graphics_memory;
436 	phys_addr_t		physical_graphics_memory;
437 	uint32			graphics_memory_size;
438 
439 	addr_t			frame_buffer;
440 	uint32			frame_buffer_offset;
441 
442 	uint32			fdi_link_frequency;	// In Mhz
443 	uint32			hraw_clock;
444 	uint32			hw_cdclk;
445 
446 	bool			got_vbt;
447 	bool			single_head_locked;
448 
449 	struct lock		accelerant_lock;
450 	struct lock		engine_lock;
451 
452 	ring_buffer		primary_ring_buffer;
453 
454 	int32			overlay_channel_used;
455 	bool			overlay_active;
456 	uintptr_t		overlay_token;
457 	phys_addr_t		physical_overlay_registers;
458 	uint32			overlay_offset;
459 
460 	bool			hardware_cursor_enabled;
461 	sem_id			vblank_sem;
462 
463 	uint8*			cursor_memory;
464 	phys_addr_t		physical_cursor_memory;
465 	uint32			cursor_buffer_offset;
466 	uint32			cursor_format;
467 	bool			cursor_visible;
468 	uint16			cursor_hot_x;
469 	uint16			cursor_hot_y;
470 
471 	DeviceType		device_type;
472 	char			device_identifier[32];
473 	struct pll_info	pll_info;
474 
475 	enum pch_info	pch_info;
476 
477 	edid1_info		vesa_edid_info;
478 	bool			has_vesa_edid_info;
479 
480 	bool			internal_crt_support;
481 	uint32			device_config_count;
482 	child_device_config device_configs[10];
483 };
484 
485 enum pipe_index {
486     INTEL_PIPE_ANY,
487     INTEL_PIPE_A,
488     INTEL_PIPE_B,
489     INTEL_PIPE_C,
490     INTEL_PIPE_D
491 };
492 
493 class pipes {
494 public:
495 	pipes() : bitmask(0) {}
496 
497 	bool HasPipe(pipe_index pipe)
498 	{
499 		if (pipe == INTEL_PIPE_ANY)
500 			return bitmask != 0;
501 
502 		return (bitmask & (1 << pipe)) != 0;
503 	}
504 
505 	void SetPipe(pipe_index pipe)
506 	{
507 		if (pipe == INTEL_PIPE_ANY) {
508 			bitmask = ~1;
509 				// first bit corresponds to INTEL_PIPE_ANY but it's never used,
510 				// so it should be 0
511 		}
512 		bitmask |= (1 << pipe);
513 	}
514 
515 	void ClearPipe(pipe_index pipe)
516 	{
517 		if (pipe == INTEL_PIPE_ANY)
518 			bitmask = 0;
519 
520 		bitmask &= ~(1 << pipe);
521 	}
522 
523 private:
524 	uint8 bitmask;
525 };
526 
527 //----------------- ioctl() interface ----------------
528 
529 // magic code for ioctls
530 #define INTEL_PRIVATE_DATA_MAGIC		'itic'
531 
532 // list ioctls
533 enum {
534 	INTEL_GET_PRIVATE_DATA = B_DEVICE_OP_CODES_END + 1,
535 
536 	INTEL_GET_DEVICE_NAME,
537 	INTEL_ALLOCATE_GRAPHICS_MEMORY,
538 	INTEL_FREE_GRAPHICS_MEMORY,
539 	INTEL_GET_BRIGHTNESS_LEGACY,
540 	INTEL_SET_BRIGHTNESS_LEGACY
541 };
542 
543 // retrieve the area_id of the kernel/accelerant shared info
544 struct intel_get_private_data {
545 	uint32	magic;				// magic number
546 	area_id	shared_info_area;
547 };
548 
549 // allocate graphics memory
550 struct intel_allocate_graphics_memory {
551 	uint32	magic;
552 	uint32	size;
553 	uint32	alignment;
554 	uint32	flags;
555 	addr_t	buffer_base;
556 };
557 
558 // free graphics memory
559 struct intel_free_graphics_memory {
560 	uint32 	magic;
561 	addr_t	buffer_base;
562 };
563 
564 // brightness legacy
565 struct intel_brightness_legacy {
566 	uint32 	magic;
567 	uint8	lpc;
568 };
569 
570 //----------------------------------------------------------
571 // Register definitions, taken from X driver
572 
573 // PCI bridge memory management
574 #define INTEL_GRAPHICS_MEMORY_CONTROL	0x52		// i830+
575 
576 	// GGC - (G)MCH Graphics Control Register
577 #define MEMORY_CONTROL_ENABLED			0x0004
578 #define MEMORY_MASK						0x0001
579 #define STOLEN_MEMORY_MASK				0x00f0
580 #define i965_GTT_MASK					0x000e
581 #define G33_GTT_MASK					0x0300
582 #define G4X_GTT_MASK					0x0f00	// GGMS (GSM Memory Size) mask
583 
584 // models i830 and up
585 #define i830_LOCAL_MEMORY_ONLY			0x10
586 #define i830_STOLEN_512K				0x20
587 #define i830_STOLEN_1M					0x30
588 #define i830_STOLEN_8M					0x40
589 #define i830_FRAME_BUFFER_64M			0x01
590 #define i830_FRAME_BUFFER_128M			0x00
591 
592 // models i855 and up
593 #define i855_STOLEN_MEMORY_1M			0x10
594 #define i855_STOLEN_MEMORY_4M			0x20
595 #define i855_STOLEN_MEMORY_8M			0x30
596 #define i855_STOLEN_MEMORY_16M			0x40
597 #define i855_STOLEN_MEMORY_32M			0x50
598 #define i855_STOLEN_MEMORY_48M			0x60
599 #define i855_STOLEN_MEMORY_64M			0x70
600 #define i855_STOLEN_MEMORY_128M			0x80
601 #define i855_STOLEN_MEMORY_256M			0x90
602 
603 #define G4X_STOLEN_MEMORY_96MB			0xa0	// GMS - Graphics Mode Select
604 #define G4X_STOLEN_MEMORY_160MB			0xb0
605 #define G4X_STOLEN_MEMORY_224MB			0xc0
606 #define G4X_STOLEN_MEMORY_352MB			0xd0
607 
608 // SandyBridge (SNB)
609 
610 #define SNB_GRAPHICS_MEMORY_CONTROL		0x50
611 
612 #define SNB_STOLEN_MEMORY_MASK			0xf8
613 #define SNB_STOLEN_MEMORY_32MB			(1 << 3)
614 #define SNB_STOLEN_MEMORY_64MB			(2 << 3)
615 #define SNB_STOLEN_MEMORY_96MB			(3 << 3)
616 #define SNB_STOLEN_MEMORY_128MB			(4 << 3)
617 #define SNB_STOLEN_MEMORY_160MB			(5 << 3)
618 #define SNB_STOLEN_MEMORY_192MB			(6 << 3)
619 #define SNB_STOLEN_MEMORY_224MB			(7 << 3)
620 #define SNB_STOLEN_MEMORY_256MB			(8 << 3)
621 #define SNB_STOLEN_MEMORY_288MB			(9 << 3)
622 #define SNB_STOLEN_MEMORY_320MB			(10 << 3)
623 #define SNB_STOLEN_MEMORY_352MB			(11 << 3)
624 #define SNB_STOLEN_MEMORY_384MB			(12 << 3)
625 #define SNB_STOLEN_MEMORY_416MB			(13 << 3)
626 #define SNB_STOLEN_MEMORY_448MB			(14 << 3)
627 #define SNB_STOLEN_MEMORY_480MB			(15 << 3)
628 #define SNB_STOLEN_MEMORY_512MB			(16 << 3)
629 
630 #define SNB_GTT_SIZE_MASK				(3 << 8)
631 #define SNB_GTT_SIZE_NONE				(0 << 8)
632 #define SNB_GTT_SIZE_1MB				(1 << 8)
633 #define SNB_GTT_SIZE_2MB				(2 << 8)
634 
635 // BDW+ (GGC_0_0_0_PCI)
636 
637 #define BDW_GRAPHICS_MEMORY_CONTROL		0x50
638 
639 #define BDW_STOLEN_MEMORY_MASK			0xff00
640 #define BDW_STOLEN_MEMORY_32MB			(1 << 8)
641 #define BDW_STOLEN_MEMORY_64MB			(2 << 8)
642 #define BDW_STOLEN_MEMORY_96MB			(3 << 8)
643 #define BDW_STOLEN_MEMORY_128MB			(4 << 8)
644 #define BDW_STOLEN_MEMORY_160MB			(5 << 8)
645 #define BDW_STOLEN_MEMORY_192MB			(6 << 8)
646 #define BDW_STOLEN_MEMORY_224MB			(7 << 8)
647 #define BDW_STOLEN_MEMORY_256MB			(8 << 8)
648 #define BDW_STOLEN_MEMORY_288MB			(9 << 8)
649 #define BDW_STOLEN_MEMORY_320MB			(10 << 8)
650 #define BDW_STOLEN_MEMORY_352MB			(11 << 8)
651 #define BDW_STOLEN_MEMORY_384MB			(12 << 8)
652 #define BDW_STOLEN_MEMORY_416MB			(13 << 8)
653 #define BDW_STOLEN_MEMORY_448MB			(14 << 8)
654 #define BDW_STOLEN_MEMORY_480MB			(15 << 8)
655 #define BDW_STOLEN_MEMORY_512MB			(16 << 8)
656 #define BDW_STOLEN_MEMORY_1024MB		(32 << 8)
657 #define BDW_STOLEN_MEMORY_1536MB		(48 << 8)
658 #define BDW_STOLEN_MEMORY_2016MB		(63 << 8)
659 #define SKL_STOLEN_MEMORY_2048MB		(64 << 8)
660 #define SKL_STOLEN_MEMORY_4MB			(240 << 8)
661 #define SKL_STOLEN_MEMORY_8MB			(241 << 8)
662 #define SKL_STOLEN_MEMORY_12MB			(242 << 8)
663 #define SKL_STOLEN_MEMORY_16MB			(243 << 8)
664 #define SKL_STOLEN_MEMORY_20MB			(244 << 8)
665 #define SKL_STOLEN_MEMORY_24MB			(245 << 8)
666 #define SKL_STOLEN_MEMORY_28MB			(246 << 8)
667 #define SKL_STOLEN_MEMORY_32MB			(247 << 8)
668 #define SKL_STOLEN_MEMORY_36MB			(248 << 8)
669 #define SKL_STOLEN_MEMORY_40MB			(249 << 8)
670 #define SKL_STOLEN_MEMORY_44MB			(250 << 8)
671 #define SKL_STOLEN_MEMORY_48MB			(251 << 8)
672 #define SKL_STOLEN_MEMORY_52MB			(252 << 8)
673 #define SKL_STOLEN_MEMORY_56MB			(253 << 8)
674 #define SKL_STOLEN_MEMORY_60MB			(254 << 8)
675 
676 
677 #define BDW_GTT_SIZE_MASK				(3 << 6)
678 #define BDW_GTT_SIZE_NONE				(0 << 6)
679 #define BDW_GTT_SIZE_2MB				(1 << 6)
680 #define BDW_GTT_SIZE_4MB				(2 << 6)
681 #define BDW_GTT_SIZE_8MB				(3 << 6)
682 
683 // Gen2, i915GM, i945GM
684 #define LEGACY_BACKLIGHT_BRIGHTNESS		0xf4
685 
686 // graphics page translation table
687 #define INTEL_PAGE_TABLE_CONTROL		0x02020
688 #define PAGE_TABLE_ENABLED				0x00000001
689 #define INTEL_PAGE_TABLE_ERROR			0x02024
690 #define INTEL_HARDWARE_STATUS_PAGE		0x02080
691 #define i915_GTT_BASE					0x1c
692 #define i830_GTT_BASE					0x10000	// (- 0x2ffff)
693 #define i830_GTT_SIZE					0x20000
694 #define i965_GTT_BASE					0x80000	// (- 0xfffff)
695 #define i965_GTT_SIZE					0x80000
696 #define i965_GTT_128K					(2 << 1)
697 #define i965_GTT_256K					(1 << 1)
698 #define i965_GTT_512K					(0 << 1)
699 #define G33_GTT_1M						(1 << 8)
700 #define G33_GTT_2M						(2 << 8)
701 #define G4X_GTT_NONE					0x000	// GGMS - GSM Memory Size
702 #define G4X_GTT_1M_NO_IVT				0x100	// no Intel Virtualization Tech.
703 #define G4X_GTT_2M_NO_IVT				0x300
704 #define G4X_GTT_2M_IVT					0x900	// with Intel Virt. Tech.
705 #define G4X_GTT_3M_IVT					0xa00
706 #define G4X_GTT_4M_IVT					0xb00
707 
708 
709 #define GTT_ENTRY_VALID					0x01
710 #define GTT_ENTRY_LOCAL_MEMORY			0x02
711 #define GTT_PAGE_SHIFT					12
712 
713 
714 // ring buffer
715 #define INTEL_PRIMARY_RING_BUFFER		0x02030
716 #define INTEL_SECONDARY_RING_BUFFER_0	0x02100
717 #define INTEL_SECONDARY_RING_BUFFER_1	0x02110
718 // offsets for the ring buffer base registers above
719 #define RING_BUFFER_TAIL				0x0
720 #define RING_BUFFER_HEAD				0x4
721 #define RING_BUFFER_START				0x8
722 #define RING_BUFFER_CONTROL				0xc
723 #define INTEL_RING_BUFFER_SIZE_MASK		0x001ff000
724 #define INTEL_RING_BUFFER_HEAD_MASK		0x001ffffc
725 #define INTEL_RING_BUFFER_ENABLED		1
726 
727 // interrupts
728 #define INTEL_INTERRUPT_ENABLED			0x020a0
729 #define INTEL_INTERRUPT_IDENTITY		0x020a4
730 #define INTEL_INTERRUPT_MASK			0x020a8
731 #define INTEL_INTERRUPT_STATUS			0x020ac
732 #define INTERRUPT_VBLANK_PIPEA			(1 << 7)
733 #define INTERRUPT_VBLANK_PIPEB			(1 << 5)
734 
735 // PCH interrupts
736 #define PCH_INTERRUPT_STATUS			0x44000
737 #define PCH_INTERRUPT_MASK				0x44004
738 #define PCH_INTERRUPT_IDENTITY			0x44008
739 #define PCH_INTERRUPT_ENABLED			0x4400c
740 
741 #define PCH_INTERRUPT_VBLANK_PIPEA		(1 << 0)
742 #define PCH_INTERRUPT_VBLANK_PIPEB		(1 << 5)
743 #define PCH_INTERRUPT_VBLANK_PIPEC		(1 << 10)
744 
745 // SandyBridge had only two pipes, and things were shuffled aroud again with
746 // the introduction of pipe C.
747 #define PCH_INTERRUPT_VBLANK_PIPEA_SNB		(1 << 7)
748 #define PCH_INTERRUPT_VBLANK_PIPEB_SNB		(1 << 15)
749 #define PCH_INTERRUPT_GLOBAL_SNB			(1 << 31)
750 
751 #define PCH_MASTER_INT_CTL_BDW					0x44200
752 
753 #define PCH_MASTER_INT_CTL_PIPE_PENDING_BDW(pipe)	(1 << (15 + pipe))
754 #define GEN8_DE_PCH_IRQ							(1 << 23)
755 #define GEN8_DE_PORT_IRQ						(1 << 20)
756 #define PCH_MASTER_INT_CTL_GLOBAL_BDW			(1 << 31)
757 
758 #define PCH_INTERRUPT_PIPE_STATUS_BDW(pipe)		(0x44400 + (pipe - 1) * 0x10)	// GEN8_DE_PIPE_ISR
759 #define PCH_INTERRUPT_PIPE_MASK_BDW(pipe)		(0x44404 + (pipe - 1) * 0x10)	// GEN8_DE_PIPE_IMR
760 #define PCH_INTERRUPT_PIPE_IDENTITY_BDW(pipe)	(0x44408 + (pipe - 1) * 0x10)	// GEN8_DE_PIPE_IIR
761 #define PCH_INTERRUPT_PIPE_ENABLED_BDW(pipe)	(0x4440c + (pipe - 1) * 0x10)	// GEN8_DE_PIPE_IER
762 
763 #define GEN8_DE_PORT_ISR						0x44440
764 #define GEN8_DE_PORT_IMR						0x44444
765 #define GEN8_DE_PORT_IIR						0x44448
766 #define GEN8_DE_PORT_IER						0x4444c
767 #define		GEN8_AUX_CHANNEL_A					(1 << 0)
768 #define		GEN9_AUX_CHANNEL_B					(1 << 25)
769 #define		GEN9_AUX_CHANNEL_C					(1 << 26)
770 #define		GEN9_AUX_CHANNEL_D					(1 << 27)
771 #define		CNL_AUX_CHANNEL_F					(1 << 28)
772 #define		ICL_AUX_CHANNEL_E					(1 << 29)
773 
774 #define GEN8_DE_MISC_ISR						0x44460
775 #define GEN8_DE_MISC_IMR						0x44464
776 #define GEN8_DE_MISC_IIR						0x44468
777 #define GEN8_DE_MISC_IER						0x4446c
778 #define		GEN8_DE_EDP_PSR						(1 << 19)
779 
780 #define GEN11_DE_HPD_ISR						0x44470
781 #define GEN11_DE_HPD_IMR						0x44474
782 #define GEN11_DE_HPD_IIR						0x44478
783 #define GEN11_DE_HPD_IER						0x4447c
784 #define GEN11_DE_TC_HOTPLUG_MASK				(0x3f << 16)
785 #define GEN11_DE_TBT_HOTPLUG_MASK				(0x3f)
786 
787 #define GEN11_TBT_HOTPLUG_CTL					0x44030
788 #define GEN11_TC_HOTPLUG_CTL					0x44038
789 
790 #define SHPD_FILTER_CNT							0xc4038
791 #define SHPD_FILTER_CNT_500_ADJ					0x1d9
792 
793 #define SDEISR									0xc4000
794 #define SDEIMR									0xc4004
795 #define SDEIIR									0xc4008
796 #define SDEIER									0xc400c
797 #define SDE_GMBUS_ICP							(1 << 23)
798 
799 #define SHOTPLUG_CTL_DDI						0xc4030
800 #define SHOTPLUG_CTL_DDI_HPD_ENABLE(hpd_pin)	(0x8 << (4 * ((hpd_pin) - HPD_PORT_A)))
801 #define SHOTPLUG_CTL_TC							0xc4034
802 #define SHOTPLUG_CTL_TC_HPD_ENABLE(hpd_pin)		(0x8 << (4 * ((hpd_pin) - HPD_PORT_TC1)))
803 
804 #define PCH_PORT_HOTPLUG						SHOTPLUG_CTL_DDI
805 #define PCH_PORT_HOTPLUG2						0xc403c
806 
807 #define PCH_INTERRUPT_VBLANK_BDW				(1 << 0)						// GEN8_PIPE_VBLANK
808 #define GEN8_PIPE_VSYNC							(1 << 1)
809 #define GEN8_PIPE_SCAN_LINE_EVENT				(1 << 2)
810 
811 #define GEN11_GFX_MSTR_IRQ						0x190010
812 #define GEN11_MASTER_IRQ						(1 << 31)
813 #define GEN11_DISPLAY_IRQ						(1 << 16)
814 #define GEN11_GT_DW1_IRQ						(1 << 1)
815 #define GEN11_GT_DW0_IRQ						(1 << 0)
816 
817 #define GEN11_DISPLAY_INT_CTL					0x44200			// same as PCH_MASTER_INT_CTL_BDW
818 #define GEN11_DE_HPD_IRQ						(1 << 21)
819 
820 #define GEN11_GT_INTR_DW0						0x190018
821 #define GEN11_GT_INTR_DW1						0x19001c
822 
823 #define GEN11_GU_MISC_IMR						0x444f4
824 #define GEN11_GU_MISC_IIR						0x444f8
825 #define GEN11_GU_MISC_IER						0x444fc
826 #define 	GEN11_GU_MISC_GSE					(1 << 27)
827 
828 
829 // graphics port control (i.e. G45)
830 #define DISPLAY_MONITOR_PORT_ENABLED	(1UL << 31)
831 #define DISPLAY_MONITOR_PIPE_B			(1UL << 30)
832 #define DISPLAY_MONITOR_VGA_POLARITY	(1UL << 15)
833 #define DISPLAY_MONITOR_MODE_MASK		(3UL << 10)
834 #define DISPLAY_MONITOR_ON				0
835 #define DISPLAY_MONITOR_SUSPEND			(1UL << 10)
836 #define DISPLAY_MONITOR_STAND_BY		(2UL << 10)
837 #define DISPLAY_MONITOR_OFF				(3UL << 10)
838 #define DISPLAY_MONITOR_POLARITY_MASK	(3UL << 3)
839 #define DISPLAY_MONITOR_POSITIVE_HSYNC	(1UL << 3)
840 #define DISPLAY_MONITOR_POSITIVE_VSYNC	(2UL << 3)
841 #define DISPLAY_MONITOR_PORT_DETECTED	(1UL << 2) // TMDS/DisplayPort only
842 
843 // Cougar Point transcoder pipe selection
844 // (replaces DISPLAY_MONITOR_PIPE_B)
845 #define  PORT_TRANS_A_SEL_CPT			0
846 #define  PORT_TRANS_B_SEL_CPT			(1<<29)
847 #define  PORT_TRANS_C_SEL_CPT			(2<<29)
848 #define  PORT_TRANS_SEL_MASK			(3<<29)
849 
850 #define LVDS_POST2_RATE_SLOW			14 // PLL Divisors
851 #define LVDS_POST2_RATE_FAST			7
852 #define LVDS_B0B3_POWER_MASK			(3UL << 2)
853 #define LVDS_B0B3_POWER_UP				(3UL << 2)
854 #define LVDS_CLKB_POWER_MASK			(3UL << 4)
855 #define LVDS_CLKB_POWER_UP				(3UL << 4)
856 #define LVDS_A3_POWER_MASK				(3UL << 6)
857 #define LVDS_A3_POWER_UP				(3UL << 6)
858 #define LVDS_A0A2_CLKA_POWER_UP			(3UL << 8)
859 #define LVDS_BORDER_ENABLE				(1UL << 15)
860 #define LVDS_HSYNC_POLARITY				(1UL << 20)
861 #define LVDS_VSYNC_POLARITY				(1UL << 21)
862 #define LVDS_18BIT_DITHER				(1UL << 25)
863 #define LVDS_PORT_EN					(1UL << 31)
864 
865 // PLL flags (pre-DDI)
866 #define DISPLAY_PLL_ENABLED				(1UL << 31)
867 #define DISPLAY_PLL_2X_CLOCK			(1UL << 30)
868 #define DISPLAY_PLL_SYNC_LOCK_ENABLED	(1UL << 29)
869 #define DISPLAY_PLL_NO_VGA_CONTROL		(1UL << 28)
870 #define DISPLAY_PLL_MODE_NORMAL			(1UL << 26)
871 #define DISPLAY_PLL_MODE_LVDS			(2UL << 26)
872 #define DISPLAY_PLL_DIVIDE_HIGH			(1UL << 24)
873 #define DISPLAY_PLL_DIVIDE_4X			(1UL << 23)
874 #define DISPLAY_PLL_POST1_DIVIDE_2		(1UL << 21)
875 #define DISPLAY_PLL_POST1_DIVISOR_MASK	0x001f0000
876 #define DISPLAY_PLL_9xx_POST1_DIVISOR_MASK	0x00ff0000
877 #define DISPLAY_PLL_SNB_FP0_POST1_DIVISOR_MASK	0x000000ff
878 #define DISPLAY_PLL_IGD_POST1_DIVISOR_MASK  0x00ff8000
879 #define DISPLAY_PLL_POST1_DIVISOR_SHIFT	16
880 #define DISPLAY_PLL_SNB_FP0_POST1_DIVISOR_SHIFT	0
881 #define DISPLAY_PLL_IGD_POST1_DIVISOR_SHIFT	15
882 #define DISPLAY_PLL_DIVISOR_1			(1UL << 8)
883 #define DISPLAY_PLL_N_DIVISOR_MASK		0x001f0000
884 #define DISPLAY_PLL_IGD_N_DIVISOR_MASK	0x00ff0000
885 #define DISPLAY_PLL_M1_DIVISOR_MASK		0x00001f00
886 #define DISPLAY_PLL_M2_DIVISOR_MASK		0x0000001f
887 #define DISPLAY_PLL_IGD_M2_DIVISOR_MASK	0x000000ff
888 #define DISPLAY_PLL_N_DIVISOR_SHIFT		16
889 #define DISPLAY_PLL_M1_DIVISOR_SHIFT	8
890 #define DISPLAY_PLL_M2_DIVISOR_SHIFT	0
891 #define DISPLAY_PLL_PULSE_PHASE_SHIFT	9
892 
893 // Skylake PLLs
894 #define SKL_DPLL1_CFGCR1				(0xc040 | REGS_NORTH_PIPE_AND_PORT)
895 #define SKL_DPLL1_CFGCR2				(0xc044 | REGS_NORTH_PIPE_AND_PORT)
896 #define SKL_DPLL2_CFGCR1				(0xc048 | REGS_NORTH_PIPE_AND_PORT)
897 #define SKL_DPLL2_CFGCR2				(0xc04c | REGS_NORTH_PIPE_AND_PORT)
898 #define SKL_DPLL3_CFGCR1				(0xc050 | REGS_NORTH_PIPE_AND_PORT)
899 #define SKL_DPLL3_CFGCR2				(0xc054 | REGS_NORTH_PIPE_AND_PORT)
900 // These exist also still in CoffeeLake (confirmed):
901 #define SKL_DPLL_CTRL1					(0xc058 | REGS_NORTH_PIPE_AND_PORT)
902 #define SKL_DPLL_CTRL2					(0xc05c | REGS_NORTH_PIPE_AND_PORT)
903 #define SKL_DPLL_STATUS					(0xc060 | REGS_NORTH_PIPE_AND_PORT)
904 #define SKL_DPLL0_DP_LINKRATE_SHIFT		1
905 #define SKL_DPLL1_DP_LINKRATE_SHIFT		7
906 #define SKL_DPLL2_DP_LINKRATE_SHIFT		13
907 #define SKL_DPLL3_DP_LINKRATE_SHIFT		19
908 #define SKL_DPLL_DP_LINKRATE_MASK		7
909 #define SKL_DPLL_CTRL1_2700				0
910 #define SKL_DPLL_CTRL1_1350				1
911 #define SKL_DPLL_CTRL1_810				2
912 #define SKL_DPLL_CTRL1_1620				3
913 #define SKL_DPLL_CTRL1_1080				4
914 #define SKL_DPLL_CTRL1_2160				5
915 
916 // Icelake PLLs
917 #define ICL_DSSM						0x51004
918 #define ICL_DSSM_REF_FREQ_SHIFT			29
919 #define ICL_DSSM_REF_FREQ_MASK			(7 << ICL_DSSM_REF_FREQ_SHIFT)
920 #define ICL_DSSM_24000					0
921 #define ICL_DSSM_19200					1
922 #define ICL_DSSM_38400					2
923 
924 #define LCPLL_CTL						0x130040
925 #define LCPLL_CLK_FREQ_MASK				(3 << 26)
926 #define LCPLL_CLK_FREQ_450				(0 << 26)
927 #define LCPLL_CLK_FREQ_54O_BDW			(1 << 26)
928 #define LCPLL_CLK_FREQ_337_5_BDW		(2 << 26)
929 #define LCPLL_CD_SOURCE_FCLK			(1 << 21)
930 
931 #define FUSE_STRAP						0x42014
932 #define		HSW_CDCLK_LIMIT				(1 << 24)
933 
934 // display
935 
936 #define INTEL_DISPLAY_OFFSET			0x1000
937 
938 // Note: on Skylake below registers are part of the transcoder
939 #define INTEL_DISPLAY_A_HTOTAL			(0x0000 | REGS_NORTH_PIPE_AND_PORT)
940 #define INTEL_DISPLAY_A_HBLANK			(0x0004 | REGS_NORTH_PIPE_AND_PORT)
941 #define INTEL_DISPLAY_A_HSYNC			(0x0008 | REGS_NORTH_PIPE_AND_PORT)
942 #define INTEL_DISPLAY_A_VTOTAL			(0x000c | REGS_NORTH_PIPE_AND_PORT)
943 #define INTEL_DISPLAY_A_VBLANK			(0x0010 | REGS_NORTH_PIPE_AND_PORT)
944 #define INTEL_DISPLAY_A_VSYNC			(0x0014 | REGS_NORTH_PIPE_AND_PORT)
945 #define INTEL_DISPLAY_B_HTOTAL			(0x1000 | REGS_NORTH_PIPE_AND_PORT)
946 #define INTEL_DISPLAY_B_HBLANK			(0x1004 | REGS_NORTH_PIPE_AND_PORT)
947 #define INTEL_DISPLAY_B_HSYNC			(0x1008 | REGS_NORTH_PIPE_AND_PORT)
948 #define INTEL_DISPLAY_B_VTOTAL			(0x100c | REGS_NORTH_PIPE_AND_PORT)
949 #define INTEL_DISPLAY_B_VBLANK			(0x1010 | REGS_NORTH_PIPE_AND_PORT)
950 #define INTEL_DISPLAY_B_VSYNC			(0x1014 | REGS_NORTH_PIPE_AND_PORT)
951 
952 #define INTEL_DISPLAY_A_PIPE_SIZE		(0x001c | REGS_NORTH_PIPE_AND_PORT)
953 #define INTEL_DISPLAY_B_PIPE_SIZE		(0x101c | REGS_NORTH_PIPE_AND_PORT)
954 
955 //G45 displayport link
956 #define INTEL_PIPE_A_DATA_M				(0x0050 | REGS_NORTH_PLANE_CONTROL)
957 #define INTEL_PIPE_B_DATA_M				(0x1050 | REGS_NORTH_PLANE_CONTROL)
958 #define INTEL_PIPE_A_DATA_N				(0x0054 | REGS_NORTH_PLANE_CONTROL)
959 #define INTEL_PIPE_B_DATA_N				(0x1054 | REGS_NORTH_PLANE_CONTROL)
960 #define INTEL_PIPE_A_LINK_M				(0x0060 | REGS_NORTH_PLANE_CONTROL)
961 #define INTEL_PIPE_B_LINK_M				(0x1060 | REGS_NORTH_PLANE_CONTROL)
962 #define INTEL_PIPE_A_LINK_N				(0x0064 | REGS_NORTH_PLANE_CONTROL)
963 #define INTEL_PIPE_B_LINK_N				(0x1064 | REGS_NORTH_PLANE_CONTROL)
964 
965 //DDI port link
966 #define INTEL_DDI_PIPE_A_DATA_M			(0x0030 | REGS_NORTH_PIPE_AND_PORT)
967 #define INTEL_DDI_PIPE_B_DATA_M			(0x1030 | REGS_NORTH_PIPE_AND_PORT)
968 #define INTEL_DDI_PIPE_A_DATA_N			(0x0034 | REGS_NORTH_PIPE_AND_PORT)
969 #define INTEL_DDI_PIPE_B_DATA_N			(0x1034 | REGS_NORTH_PIPE_AND_PORT)
970 #define INTEL_DDI_PIPE_A_LINK_M			(0x0040 | REGS_NORTH_PIPE_AND_PORT)
971 #define INTEL_DDI_PIPE_B_LINK_M			(0x1040 | REGS_NORTH_PIPE_AND_PORT)
972 #define INTEL_DDI_PIPE_A_LINK_N			(0x0044 | REGS_NORTH_PIPE_AND_PORT)
973 #define INTEL_DDI_PIPE_B_LINK_N			(0x1044 | REGS_NORTH_PIPE_AND_PORT)
974 
975 // on PCH we also have to set the transcoder
976 #define INTEL_TRANSCODER_A_HTOTAL		(0x0000 | REGS_SOUTH_TRANSCODER_PORT)
977 #define INTEL_TRANSCODER_A_HBLANK		(0x0004 | REGS_SOUTH_TRANSCODER_PORT)
978 #define INTEL_TRANSCODER_A_HSYNC		(0x0008 | REGS_SOUTH_TRANSCODER_PORT)
979 #define INTEL_TRANSCODER_A_VTOTAL		(0x000c | REGS_SOUTH_TRANSCODER_PORT)
980 #define INTEL_TRANSCODER_A_VBLANK		(0x0010 | REGS_SOUTH_TRANSCODER_PORT)
981 #define INTEL_TRANSCODER_A_VSYNC		(0x0014 | REGS_SOUTH_TRANSCODER_PORT)
982 #define INTEL_TRANSCODER_B_HTOTAL		(0x1000 | REGS_SOUTH_TRANSCODER_PORT)
983 #define INTEL_TRANSCODER_B_HBLANK		(0x1004 | REGS_SOUTH_TRANSCODER_PORT)
984 #define INTEL_TRANSCODER_B_HSYNC		(0x1008 | REGS_SOUTH_TRANSCODER_PORT)
985 #define INTEL_TRANSCODER_B_VTOTAL		(0x100c | REGS_SOUTH_TRANSCODER_PORT)
986 #define INTEL_TRANSCODER_B_VBLANK		(0x1010 | REGS_SOUTH_TRANSCODER_PORT)
987 #define INTEL_TRANSCODER_B_VSYNC		(0x1014 | REGS_SOUTH_TRANSCODER_PORT)
988 
989 // transcoder M/N DATA AND LINK VALUES (refreshrate)
990 #define INTEL_TRANSCODER_A_DATA_M1			(0x0030 | REGS_SOUTH_TRANSCODER_PORT)
991 #define INTEL_TRANSCODER_A_DATA_M2			(0x0038 | REGS_SOUTH_TRANSCODER_PORT)
992 #define INTEL_TRANSCODER_B_DATA_M1			(0x1030 | REGS_SOUTH_TRANSCODER_PORT)
993 #define INTEL_TRANSCODER_B_DATA_M2			(0x1038 | REGS_SOUTH_TRANSCODER_PORT)
994 #define INTEL_TRANSCODER_C_DATA_M1			(0x2030 | REGS_SOUTH_TRANSCODER_PORT)
995 #define INTEL_TRANSCODER_C_DATA_M2			(0x2038 | REGS_SOUTH_TRANSCODER_PORT)
996 #define INTEL_TRANSCODER_A_DATA_N1			(0x0034 | REGS_SOUTH_TRANSCODER_PORT)
997 #define INTEL_TRANSCODER_A_DATA_N2			(0x003c | REGS_SOUTH_TRANSCODER_PORT)
998 #define INTEL_TRANSCODER_B_DATA_N1			(0x1034 | REGS_SOUTH_TRANSCODER_PORT)
999 #define INTEL_TRANSCODER_B_DATA_N2			(0x103c | REGS_SOUTH_TRANSCODER_PORT)
1000 #define INTEL_TRANSCODER_C_DATA_N1			(0x2034 | REGS_SOUTH_TRANSCODER_PORT)
1001 #define INTEL_TRANSCODER_C_DATA_N2			(0x203c | REGS_SOUTH_TRANSCODER_PORT)
1002 #define INTEL_TRANSCODER_A_LINK_M1			(0x0040 | REGS_SOUTH_TRANSCODER_PORT)
1003 #define INTEL_TRANSCODER_A_LINK_M2			(0x0048 | REGS_SOUTH_TRANSCODER_PORT)
1004 #define INTEL_TRANSCODER_B_LINK_M1			(0x1040 | REGS_SOUTH_TRANSCODER_PORT)
1005 #define INTEL_TRANSCODER_B_LINK_M2			(0x1048 | REGS_SOUTH_TRANSCODER_PORT)
1006 #define INTEL_TRANSCODER_C_LINK_M1			(0x2040 | REGS_SOUTH_TRANSCODER_PORT)
1007 #define INTEL_TRANSCODER_C_LINK_M2			(0x2048 | REGS_SOUTH_TRANSCODER_PORT)
1008 #define INTEL_TRANSCODER_A_LINK_N1			(0x0044 | REGS_SOUTH_TRANSCODER_PORT)
1009 #define INTEL_TRANSCODER_A_LINK_N2			(0x004c | REGS_SOUTH_TRANSCODER_PORT)
1010 #define INTEL_TRANSCODER_B_LINK_N1			(0x1044 | REGS_SOUTH_TRANSCODER_PORT)
1011 #define INTEL_TRANSCODER_B_LINK_N2			(0x104c | REGS_SOUTH_TRANSCODER_PORT)
1012 #define INTEL_TRANSCODER_C_LINK_N1			(0x2044 | REGS_SOUTH_TRANSCODER_PORT)
1013 #define INTEL_TRANSCODER_C_LINK_N2			(0x204c | REGS_SOUTH_TRANSCODER_PORT)
1014 #define INTEL_TRANSCODER_MN_TU_SIZE_MASK	(0x3f << 25)
1015 #define INTEL_TRANSCODER_MN_VALUE_MASK		(0xffffff << 0)
1016 
1017 #define INTEL_TRANSCODER_A_IMAGE_SIZE	(0x001c | REGS_SOUTH_TRANSCODER_PORT)
1018 #define INTEL_TRANSCODER_B_IMAGE_SIZE	(0x101c | REGS_SOUTH_TRANSCODER_PORT)
1019 
1020 // TODO: Is there consolidation that could happen here with digital ports?
1021 
1022 #define INTEL_ANALOG_PORT				(0x1100 | REGS_SOUTH_TRANSCODER_PORT)
1023 #define INTEL_DIGITAL_PORT_A			(0x1120 | REGS_SOUTH_TRANSCODER_PORT)
1024 #define INTEL_DIGITAL_PORT_B			(0x1140 | REGS_SOUTH_TRANSCODER_PORT)
1025 #define INTEL_DIGITAL_PORT_C			(0x1160 | REGS_SOUTH_TRANSCODER_PORT)
1026 #define INTEL_DIGITAL_LVDS_PORT			(0x1180 | REGS_SOUTH_TRANSCODER_PORT)
1027 
1028 #define INTEL_HDMI_PORT_B				(0x1140 | REGS_SOUTH_TRANSCODER_PORT)
1029 #define INTEL_HDMI_PORT_C				(0x1160 | REGS_SOUTH_TRANSCODER_PORT)
1030 
1031 #define PCH_HDMI_PORT_B					(0x1140 | REGS_SOUTH_TRANSCODER_PORT)
1032 #define PCH_HDMI_PORT_C					(0x1150 | REGS_SOUTH_TRANSCODER_PORT)
1033 #define PCH_HDMI_PORT_D					(0x1160 | REGS_SOUTH_TRANSCODER_PORT)
1034 
1035 #define GEN4_HDMI_PORT_B				(0x1140 | REGS_SOUTH_TRANSCODER_PORT)
1036 #define GEN4_HDMI_PORT_C				(0x1160 | REGS_SOUTH_TRANSCODER_PORT)
1037 #define CHV_HDMI_PORT_D					(0x116C | REGS_SOUTH_TRANSCODER_PORT)
1038 
1039 // DDI Buffer Control (This replaces DP on Haswell+)
1040 #define DDI_BUF_CTL_A					(0x4000 | REGS_NORTH_PIPE_AND_PORT)
1041 #define DDI_BUF_CTL_B					(0x4100 | REGS_NORTH_PIPE_AND_PORT)
1042 #define DDI_BUF_CTL_C					(0x4200 | REGS_NORTH_PIPE_AND_PORT)
1043 #define DDI_BUF_CTL_D					(0x4300 | REGS_NORTH_PIPE_AND_PORT)
1044 #define DDI_BUF_CTL_E					(0x4400 | REGS_NORTH_PIPE_AND_PORT)
1045 #define DDI_BUF_CTL_F					(0x4500 | REGS_NORTH_PIPE_AND_PORT)
1046 #define DDI_BUF_CTL_G					(0x4600 | REGS_NORTH_PIPE_AND_PORT)
1047 #define DDI_BUF_CTL_ENABLE				(1 << 31)
1048 #define DDI_BUF_TRANS_SELECT(n)			((n) << 24)
1049 #define DDI_BUF_EMP_MASK				(0xf << 24)
1050 #define DDI_BUF_PORT_REVERSAL			(1 << 16)
1051 #define DDI_BUF_IS_IDLE					(1 << 7)
1052 #define DDI_A_4_LANES					(1 << 4)
1053 #define DDI_PORT_WIDTH(width)			(((width) - 1) << 1)
1054 #define DDI_INIT_DISPLAY_DETECTED		(1 << 0)
1055 
1056 #define PIPE_DDI_FUNC_CTL_A				(0x0400 | REGS_NORTH_PIPE_AND_PORT)
1057 #define PIPE_DDI_FUNC_CTL_B				(0x1400 | REGS_NORTH_PIPE_AND_PORT)
1058 #define PIPE_DDI_FUNC_CTL_C				(0x2400 | REGS_NORTH_PIPE_AND_PORT)
1059 #define PIPE_DDI_FUNC_CTL_EDP			(0xF400 | REGS_NORTH_PIPE_AND_PORT)
1060 #define PIPE_DDI_FUNC_CTL_DSI0			(0xB400 | REGS_NORTH_PIPE_AND_PORT)
1061 #define PIPE_DDI_FUNC_CTL_DSI1			(0xBC00 | REGS_NORTH_PIPE_AND_PORT)
1062 #define PIPE_DDI_FUNC_CTL_ENABLE		(1 << 31)
1063 #define PIPE_DDI_SELECT_SHIFT			28
1064 #define TGL_PIPE_DDI_SELECT_SHIFT		27
1065 #define PIPE_DDI_SELECT_PORT(x)			((x) << PIPE_DDI_SELECT_SHIFT)
1066 #define TGL_PIPE_DDI_SELECT_PORT(x)		((x) << TGL_PIPE_DDI_SELECT_SHIFT)
1067 #define PIPE_DDI_SELECT_MASK			(7 << PIPE_DDI_SELECT_SHIFT)
1068 #define TGL_PIPE_DDI_SELECT_MASK		(7 << TGL_PIPE_DDI_SELECT_SHIFT)
1069 #define PIPE_DDI_PORT_NONE				0
1070 #define PIPE_DDI_PORT_B					1
1071 #define PIPE_DDI_PORT_C					2
1072 #define PIPE_DDI_PORT_D					3
1073 #define PIPE_DDI_PORT_E					4
1074 #define PIPE_DDI_PORT_F					5
1075 #define PIPE_DDI_PORT_G					6
1076 #define PIPE_DDI_MODESEL_SHIFT			24
1077 #define PIPE_DDI_MODESEL_MODE(x)		((x) << PIPE_DDI_MODESEL_SHIFT)
1078 #define PIPE_DDI_MODESEL_MASK			(7 << PIPE_DDI_MODESEL_SHIFT)
1079 #define PIPE_DDI_MODE_HDMI				0
1080 #define PIPE_DDI_MODE_DVI				1
1081 #define PIPE_DDI_MODE_DP_SST			2
1082 #define PIPE_DDI_MODE_DP_MST			3
1083 #define PIPE_DDI_COLOR_SHIFT			20
1084 #define PIPE_DDI_BPC(x)					((x) << PIPE_DDI_COLOR_SHIFT)
1085 #define PIPE_DDI_BPC_MASK				(7 << PIPE_DDI_COLOR_SHIFT)
1086 #define PIPE_DDI_8BPC					0
1087 #define PIPE_DDI_10BPC					1
1088 #define PIPE_DDI_6BPC					2
1089 #define PIPE_DDI_12BPC					3
1090 #define PIPE_DDI_DP_WIDTH_SHIFT			1
1091 #define PIPE_DDI_DP_WIDTH_SEL(x)		((x) << PIPE_DDI_DP_WIDTH_SHIFT)
1092 #define PIPE_DDI_DP_WIDTH_MASK			(7 << PIPE_DDI_DP_WIDTH_SHIFT)
1093 #define PIPE_DDI_DP_WIDTH_1				0
1094 #define PIPE_DDI_DP_WIDTH_2				1
1095 #define PIPE_DDI_DP_WIDTH_4				2
1096 
1097 // DP_A always @ 6xxxx, DP_B-DP_D move with PCH
1098 #define INTEL_DISPLAY_PORT_A			(0x4000 | REGS_NORTH_PIPE_AND_PORT)
1099 #define INTEL_DISPLAY_PORT_B			(0x4100 | REGS_SOUTH_TRANSCODER_PORT)
1100 #define INTEL_DISPLAY_PORT_C			(0x4200 | REGS_SOUTH_TRANSCODER_PORT)
1101 #define INTEL_DISPLAY_PORT_D			(0x4300 | REGS_SOUTH_TRANSCODER_PORT)
1102 
1103 #define INTEL_DISP_PORTA_SNB_PIPE_SHIFT	30
1104 #define INTEL_DISP_PORTA_SNB_PIPE_MASK	(1 << INTEL_DISP_PORTA_SNB_PIPE_SHIFT)
1105 #define INTEL_DISP_PORTA_SNB_PIPE_A		0
1106 #define INTEL_DISP_PORTA_SNB_PIPE_B		1
1107 #define INTEL_DISP_PORTA_IVB_PIPE_SHIFT	29
1108 #define INTEL_DISP_PORTA_IVB_PIPE_MASK	(3 << INTEL_DISP_PORTA_IVB_PIPE_SHIFT)
1109 #define INTEL_DISP_PORTA_IVB_PIPE_A		0
1110 #define INTEL_DISP_PORTA_IVB_PIPE_B		1
1111 #define INTEL_DISP_PORTA_IVB_PIPE_C		2
1112 
1113 #define INTEL_DISP_PORT_WIDTH_SHIFT		19
1114 #define INTEL_DISP_PORT_WIDTH_MASK		(7 << INTEL_DISP_PORT_WIDTH_SHIFT)
1115 #define INTEL_DISP_PORT_WIDTH_1			0
1116 #define INTEL_DISP_PORT_WIDTH_2			1
1117 #define INTEL_DISP_PORT_WIDTH_4			3
1118 #define INTEL_DISP_EDP_PLL_FREQ_SHIFT	16
1119 #define INTEL_DISP_EDP_PLL_FREQ_MASK	(3 << INTEL_DISP_EDP_PLL_FREQ_SHIFT)
1120 #define INTEL_DISP_EDP_PLL_FREQ_270		0
1121 #define INTEL_DISP_EDP_PLL_FREQ_162		1
1122 
1123 #define INTEL_TRANSCODER_A_DP_CTL		(0x0300 | REGS_SOUTH_TRANSCODER_PORT)
1124 #define INTEL_TRANSCODER_B_DP_CTL		(0x1300 | REGS_SOUTH_TRANSCODER_PORT)
1125 #define INTEL_TRANSCODER_C_DP_CTL		(0x2300 | REGS_SOUTH_TRANSCODER_PORT)
1126 
1127 #define INTEL_TRANS_DP_COLOR_SHIFT		9
1128 #define INTEL_TRANS_DP_BPC(x)			((x) << INTEL_TRANS_DP_COLOR_SHIFT)
1129 #define INTEL_TRANS_DP_BPC_MASK			(7 << INTEL_TRANS_DP_COLOR_SHIFT)
1130 #define INTEL_TRANS_DP_PORT_SHIFT		29
1131 #define INTEL_TRANS_DP_PORT(x)			((x) << INTEL_TRANS_DP_PORT_SHIFT)
1132 #define INTEL_TRANS_DP_PORT_MASK		(3 << INTEL_TRANS_DP_PORT_SHIFT)
1133 #define INTEL_TRANS_DP_PORT_B			0
1134 #define INTEL_TRANS_DP_PORT_C			1
1135 #define INTEL_TRANS_DP_PORT_D			2
1136 #define INTEL_TRANS_DP_PORT_NONE		3
1137 
1138 // Unless you're a damn Valley/CherryView unicorn :-(
1139 #define VLV_DISPLAY_PORT_B				(VLV_DISPLAY_BASE + 0x64100)
1140 #define VLV_DISPLAY_PORT_C				(VLV_DISPLAY_BASE + 0x64200)
1141 #define CHV_DISPLAY_PORT_D				(VLV_DISPLAY_BASE + 0x64300)
1142 
1143 // DP AUX channels
1144 #define _DPA_AUX_CH_CTL					(0x4010 | REGS_NORTH_PIPE_AND_PORT)
1145 #define _DPA_AUX_CH_DATA1				(0x4014 | REGS_NORTH_PIPE_AND_PORT)
1146 #define _DPB_AUX_CH_CTL					(0x4110 | REGS_NORTH_PIPE_AND_PORT)
1147 #define _DPB_AUX_CH_DATA1				(0x4114 | REGS_NORTH_PIPE_AND_PORT)
1148 #define DP_AUX_CH_CTL(aux)		\
1149 					(_DPA_AUX_CH_CTL + (_DPB_AUX_CH_CTL - _DPA_AUX_CH_CTL) * aux)
1150 #define DP_AUX_CH_DATA(aux, i)	\
1151 					(_DPA_AUX_CH_DATA1 + (_DPB_AUX_CH_DATA1 - _DPA_AUX_CH_DATA1) * aux + i * 4)
1152 #define _PCH_DPB_AUX_CH_CTL				(0x4110 | REGS_SOUTH_TRANSCODER_PORT)
1153 #define _PCH_DPB_AUX_CH_DATA1			(0x4114 | REGS_SOUTH_TRANSCODER_PORT)
1154 #define _PCH_DPC_AUX_CH_CTL				(0x4210 | REGS_SOUTH_TRANSCODER_PORT)
1155 #define _PCH_DPC_AUX_CH_DATA1			(0x4214 | REGS_SOUTH_TRANSCODER_PORT)
1156 #define PCH_DP_AUX_CH_CTL(aux)		\
1157 		(_PCH_DPB_AUX_CH_CTL + (_PCH_DPC_AUX_CH_CTL - _PCH_DPB_AUX_CH_CTL) * (aux - AUX_CH_B))
1158 #define PCH_DP_AUX_CH_DATA(aux, i)	\
1159 		(_PCH_DPB_AUX_CH_DATA1 + (_PCH_DPC_AUX_CH_DATA1 - _PCH_DPB_AUX_CH_DATA1) * (aux - AUX_CH_B) \
1160 			+ i * 4)
1161 
1162 #define INTEL_DP_AUX_CTL_BUSY			(1 << 31)
1163 #define INTEL_DP_AUX_CTL_DONE			(1 << 30)
1164 #define INTEL_DP_AUX_CTL_INTERRUPT		(1 << 29)
1165 #define INTEL_DP_AUX_CTL_TIMEOUT_ERROR	(1 << 28)
1166 #define INTEL_DP_AUX_CTL_TIMEOUT_400us	(0 << 26)
1167 #define INTEL_DP_AUX_CTL_TIMEOUT_600us	(1 << 26)
1168 #define INTEL_DP_AUX_CTL_TIMEOUT_800us	(2 << 26)
1169 #define INTEL_DP_AUX_CTL_TIMEOUT_1600us (3 << 26)
1170 #define INTEL_DP_AUX_CTL_TIMEOUT_MASK	(3 << 26)
1171 #define INTEL_DP_AUX_CTL_RECEIVE_ERROR	(1 << 25)
1172 #define INTEL_DP_AUX_CTL_MSG_SIZE_MASK	(0x1f << 20)
1173 #define INTEL_DP_AUX_CTL_MSG_SIZE_SHIFT 20
1174 #define INTEL_DP_AUX_CTL_PRECHARGE_2US_MASK (0xf << 16)
1175 #define INTEL_DP_AUX_CTL_PRECHARGE_2US_SHIFT 16
1176 #define INTEL_DP_AUX_CTL_BIT_CLOCK_2X_MASK (0x7ff)
1177 #define INTEL_DP_AUX_CTL_BIT_CLOCK_2X_SHIFT 0
1178 #define INTEL_DP_AUX_CTL_FW_SYNC_PULSE_SKL(c)   (((c) - 1) << 5)
1179 #define INTEL_DP_AUX_CTL_SYNC_PULSE_SKL(c)   ((c) - 1)
1180 
1181 // planes
1182 #define INTEL_PIPE_ENABLED				(1UL << 31)
1183 #define INTEL_PIPE_STATE				(1UL << 30)
1184 
1185 #define INTEL_PLANE_OFFSET				0x1000
1186 
1187 #define INTEL_DISPLAY_A_PIPE_CONTROL	(0x0008	| REGS_NORTH_PLANE_CONTROL)
1188 #define INTEL_DISPLAY_B_PIPE_CONTROL	(0x1008 | REGS_NORTH_PLANE_CONTROL)
1189 #define INTEL_DISPLAY_C_PIPE_CONTROL	(0x2008 | REGS_NORTH_PLANE_CONTROL)
1190 #define INTEL_DISPLAY_A_PIPE_STATUS		(0x0024 | REGS_NORTH_PLANE_CONTROL)
1191 #define INTEL_DISPLAY_B_PIPE_STATUS		(0x1024 | REGS_NORTH_PLANE_CONTROL)
1192 
1193 #define INTEL_DISPLAY_A_PIPE_WATERMARK	(0x5100 | REGS_NORTH_PLANE_CONTROL)
1194 #define INTEL_DISPLAY_B_PIPE_WATERMARK	(0x5104 | REGS_NORTH_PLANE_CONTROL)
1195 #define INTEL_DISPLAY_C_PIPE_WATERMARK	(0x5200 | REGS_NORTH_PLANE_CONTROL)
1196 
1197 #define DISPLAY_PIPE_VBLANK_ENABLED		(1UL << 17)
1198 #define DISPLAY_PIPE_VBLANK_STATUS		(1UL << 1)
1199 
1200 #define INTEL_DISPLAY_A_CONTROL			(0x0180 | REGS_NORTH_PLANE_CONTROL)
1201 #define INTEL_DISPLAY_A_BASE			(0x0184 | REGS_NORTH_PLANE_CONTROL)
1202 #define INTEL_DISPLAY_A_BYTES_PER_ROW	(0x0188 | REGS_NORTH_PLANE_CONTROL)
1203 #define INTEL_DISPLAY_A_POS				(0x018c | REGS_NORTH_PLANE_CONTROL)
1204 	// reserved on A
1205 #define INTEL_DISPLAY_A_IMAGE_SIZE		(0x0190 | REGS_NORTH_PLANE_CONTROL)
1206 #define INTEL_DISPLAY_A_SURFACE			(0x019c | REGS_NORTH_PLANE_CONTROL)
1207 #define INTEL_DISPLAY_A_OFFSET_HAS		(0x01a4 | REGS_NORTH_PLANE_CONTROL)
1208 	// i965 and up only
1209 
1210 #define INTEL_DISPLAY_B_CONTROL			(0x1180 | REGS_NORTH_PLANE_CONTROL)
1211 #define INTEL_DISPLAY_B_BASE			(0x1184 | REGS_NORTH_PLANE_CONTROL)
1212 #define INTEL_DISPLAY_B_BYTES_PER_ROW	(0x1188 | REGS_NORTH_PLANE_CONTROL)
1213 #define INTEL_DISPLAY_B_POS				(0x118c | REGS_NORTH_PLANE_CONTROL)
1214 #define INTEL_DISPLAY_B_IMAGE_SIZE		(0x1190 | REGS_NORTH_PLANE_CONTROL)
1215 #define INTEL_DISPLAY_B_SURFACE			(0x119c | REGS_NORTH_PLANE_CONTROL)
1216 #define INTEL_DISPLAY_B_OFFSET_HAS		(0x11a4 | REGS_NORTH_PLANE_CONTROL)
1217 	// i965 and up only
1218 
1219 // INTEL_DISPLAY_A_CONTROL source pixel format
1220 #define DISPLAY_CONTROL_ENABLED			(1UL << 31)
1221 #define DISPLAY_CONTROL_GAMMA			(1UL << 30)
1222 #define DISPLAY_CONTROL_COLOR_MASK		(0x0fUL << 26)
1223 #define DISPLAY_CONTROL_CMAP8			(2UL << 26)
1224 #define DISPLAY_CONTROL_RGB15			(4UL << 26)
1225 #define DISPLAY_CONTROL_RGB16			(5UL << 26)
1226 #define DISPLAY_CONTROL_RGB32			(6UL << 26)
1227 #define DISPLAY_CONTROL_RGB64			(0x0cUL << 26)
1228 // Skylake
1229 #define DISPLAY_CONTROL_COLOR_MASK_SKY	(0x0fUL << 24)
1230 #define DISPLAY_CONTROL_CMAP8_SKY		(0x0cUL << 24)
1231 #define DISPLAY_CONTROL_RGB15_SKY		(0x0eUL << 24)
1232 #define DISPLAY_CONTROL_RGB16_SKY		(0x0eUL << 24)
1233 #define DISPLAY_CONTROL_RGB32_SKY		(0x04UL << 24)
1234 #define DISPLAY_CONTROL_RGB64_SKY		(0x06UL << 24)
1235 
1236 // INTEL_DISPLAY_A_PIPE_CONTROL ILK+
1237 #define INTEL_PIPE_DITHER_TYPE_MASK		(0x0000000c)
1238 #define INTEL_PIPE_DITHER_TYPE_SP		(0 << 2)
1239 #define INTEL_PIPE_DITHER_TYPE_ST1		(1 << 2)
1240 #define INTEL_PIPE_DITHER_TYPE_ST2		(2 << 2)
1241 #define INTEL_PIPE_DITHER_TYPE_TEMP		(3 << 2)
1242 #define INTEL_PIPE_DITHER_EN			(1 << 4)
1243 #define INTEL_PIPE_COLOR_SHIFT			5
1244 #define INTEL_PIPE_BPC(x)				((x) << INTEL_PIPE_COLOR_SHIFT)
1245 #define INTEL_PIPE_BPC_MASK				(7 << INTEL_PIPE_COLOR_SHIFT)
1246 #define INTEL_PIPE_8BPC					0
1247 #define INTEL_PIPE_10BPC				1
1248 #define INTEL_PIPE_6BPC					2
1249 #define INTEL_PIPE_12BPC				3
1250 #define INTEL_PIPE_PROGRESSIVE			(0 << 21)
1251 
1252 // cursors
1253 #define INTEL_CURSOR_CONTROL			(0x0080 | REGS_NORTH_PLANE_CONTROL)
1254 #define INTEL_CURSOR_BASE				(0x0084 | REGS_NORTH_PLANE_CONTROL)
1255 #define INTEL_CURSOR_POSITION			(0x0088 | REGS_NORTH_PLANE_CONTROL)
1256 #define INTEL_CURSOR_PALETTE			(0x0090 | REGS_NORTH_PLANE_CONTROL)
1257 	// (- 0x009f)
1258 #define INTEL_CURSOR_SIZE				(0x00a0 | REGS_NORTH_PLANE_CONTROL)
1259 #define CURSOR_ENABLED					(1UL << 31)
1260 #define CURSOR_FORMAT_2_COLORS			(0UL << 24)
1261 #define CURSOR_FORMAT_3_COLORS			(1UL << 24)
1262 #define CURSOR_FORMAT_4_COLORS			(2UL << 24)
1263 #define CURSOR_FORMAT_ARGB				(4UL << 24)
1264 #define CURSOR_FORMAT_XRGB				(5UL << 24)
1265 #define CURSOR_POSITION_NEGATIVE		0x8000
1266 #define CURSOR_POSITION_MASK			0x3fff
1267 
1268 // palette registers
1269 #define INTEL_DISPLAY_A_PALETTE			(0xa000 | REGS_NORTH_SHARED)
1270 #define INTEL_DISPLAY_B_PALETTE			(0xa800 | REGS_NORTH_SHARED)
1271 
1272 // Ironlake PCH reference clk control
1273 #define PCH_DREF_CONTROL					(0x6200 | REGS_SOUTH_SHARED)
1274 #define DREF_CONTROL_MASK					0x7fc3
1275 #define DREF_CPU_SOURCE_OUTPUT_DISABLE		(0 << 13)
1276 #define DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD	(2 << 13)
1277 #define DREF_CPU_SOURCE_OUTPUT_NONSPREAD	(3 << 13)
1278 #define DREF_CPU_SOURCE_OUTPUT_MASK			(3 << 13)
1279 #define DREF_SSC_SOURCE_DISABLE				(0 << 11)
1280 #define DREF_SSC_SOURCE_ENABLE				(2 << 11)
1281 #define DREF_SSC_SOURCE_MASK				(3 << 11)
1282 #define DREF_NONSPREAD_SOURCE_DISABLE		(0 << 9)
1283 #define DREF_NONSPREAD_CK505_ENABLE			(1 << 9)
1284 #define DREF_NONSPREAD_SOURCE_ENABLE		(2 << 9)
1285 #define DREF_NONSPREAD_SOURCE_MASK			(3 << 9)
1286 #define DREF_SUPERSPREAD_SOURCE_DISABLE 	(0 << 7)
1287 #define DREF_SUPERSPREAD_SOURCE_ENABLE		(2 << 7)
1288 #define DREF_SUPERSPREAD_SOURCE_MASK		(3 << 7)
1289 #define DREF_SSC4_DOWNSPREAD				(0 << 6)
1290 #define DREF_SSC4_CENTERSPREAD				(1 << 6)
1291 #define DREF_SSC1_DISABLE					(0 << 1)
1292 #define DREF_SSC1_ENABLE					(1 << 1)
1293 #define DREF_SSC4_DISABLE					(0 << 0)
1294 #define DREF_SSC4_ENABLE					(1 << 0)
1295 
1296 #define PCH_RAWCLK_FREQ						(0x6204 | REGS_SOUTH_SHARED)
1297 #define RAWCLK_FREQ_MASK					0x3ff
1298 
1299 // PLL registers
1300 //  Multiplier Divisor
1301 #define INTEL_DISPLAY_A_PLL				(0x6014 | REGS_SOUTH_SHARED)
1302 #define INTEL_DISPLAY_B_PLL				(0x6018 | REGS_SOUTH_SHARED)
1303 #define INTEL_DISPLAY_A_PLL_MD			(0x601C | REGS_SOUTH_SHARED)
1304 #define INTEL_DISPLAY_B_PLL_MD			(0x6020 | REGS_SOUTH_SHARED)
1305 #define CHV_DISPLAY_C_PLL				(0x6030 | REGS_SOUTH_SHARED)
1306 #define CHV_DISPLAY_B_PLL_MD			(0x603C | REGS_SOUTH_SHARED)
1307 
1308 #define INTEL_DISPLAY_A_PLL_DIVISOR_0	(0x6040 | REGS_SOUTH_SHARED)
1309 #define INTEL_DISPLAY_A_PLL_DIVISOR_1	(0x6044 | REGS_SOUTH_SHARED)
1310 #define INTEL_DISPLAY_B_PLL_DIVISOR_0	(0x6048 | REGS_SOUTH_SHARED)
1311 #define INTEL_DISPLAY_B_PLL_DIVISOR_1	(0x604c | REGS_SOUTH_SHARED)
1312 
1313 #define SNB_DPLL_SEL					(0x7000 | REGS_SOUTH_SHARED)
1314 
1315 // i2c bit banging interface
1316 #define INTEL_I2C_IO_A					(0x5010 | REGS_SOUTH_SHARED)
1317 #define INTEL_I2C_IO_B					(0x5014 | REGS_SOUTH_SHARED)
1318 #define INTEL_I2C_IO_C					(0x5018 | REGS_SOUTH_SHARED)
1319 #define INTEL_I2C_IO_D					(0x501c | REGS_SOUTH_SHARED)
1320 #define INTEL_I2C_IO_E					(0x5020 | REGS_SOUTH_SHARED)
1321 #define INTEL_I2C_IO_F					(0x5024 | REGS_SOUTH_SHARED)
1322 #define INTEL_I2C_IO_G					(0x5028 | REGS_SOUTH_SHARED)
1323 #define INTEL_I2C_IO_H					(0x502c | REGS_SOUTH_SHARED)
1324 #define INTEL_I2C_IO_I					(0x5030 | REGS_SOUTH_SHARED)
1325 #define INTEL_I2C_IO_J					(0x5034 | REGS_SOUTH_SHARED)
1326 #define INTEL_I2C_IO_K					(0x5038 | REGS_SOUTH_SHARED)
1327 #define INTEL_I2C_IO_L					(0x503c | REGS_SOUTH_SHARED)
1328 #define INTEL_I2C_IO_M					(0x5040 | REGS_SOUTH_SHARED)
1329 #define INTEL_I2C_IO_N					(0x5044 | REGS_SOUTH_SHARED)
1330 // i2c hardware controller
1331 #define INTEL_GMBUS0					(0x5100 | REGS_SOUTH_SHARED)
1332 #define INTEL_GMBUS4					(0x5110 | REGS_SOUTH_SHARED)
1333 
1334 #define I2C_CLOCK_DIRECTION_MASK		(1 << 0)
1335 #define I2C_CLOCK_DIRECTION_OUT			(1 << 1)
1336 #define I2C_CLOCK_VALUE_MASK			(1 << 2)
1337 #define I2C_CLOCK_VALUE_OUT				(1 << 3)
1338 #define I2C_CLOCK_VALUE_IN				(1 << 4)
1339 #define I2C_DATA_DIRECTION_MASK			(1 << 8)
1340 #define I2C_DATA_DIRECTION_OUT			(1 << 9)
1341 #define I2C_DATA_VALUE_MASK				(1 << 10)
1342 #define I2C_DATA_VALUE_OUT				(1 << 11)
1343 #define I2C_DATA_VALUE_IN				(1 << 12)
1344 #define I2C_RESERVED					((1 << 13) | (1 << 5))
1345 
1346 // gpu block clock gating disable bits
1347 #define INTEL_DSPCLK_GATE_D				(0x2020 | REGS_SOUTH_SHARED)
1348 #define PCH_GMBUSUNIT_CLK_GATE_DIS		(1UL << 31)
1349 #define INTEL_GEN9_CLKGATE_DIS_4		(0x653c | REGS_NORTH_SHARED)
1350 #define BXT_GMBUSUNIT_CLK_GATE_DIS		(1 << 14)
1351 
1352 // gpu power wells (confirmed skylake)
1353 #define INTEL_PWR_WELL_CTL_1_BIOS		(0x5400 | REGS_NORTH_SHARED)
1354 #define INTEL_PWR_WELL_CTL_2_DRIVER		(0x5404 | REGS_NORTH_SHARED)
1355 
1356 #define	HSW_PWR_WELL_CTL_REQ(i)			(0x2 << ((2 * i)))
1357 #define	HSW_PWR_WELL_CTL_STATE(i)		(0x1 << ((2 * i)))
1358 
1359 #define HSW_PWR_WELL_CTL1				INTEL_PWR_WELL_CTL_1_BIOS
1360 #define HSW_PWR_WELL_CTL2				INTEL_PWR_WELL_CTL_2_DRIVER
1361 #define HSW_PWR_WELL_CTL3				(0x5408 | REGS_NORTH_SHARED)
1362 #define HSW_PWR_WELL_CTL4				(0x540c | REGS_NORTH_SHARED)
1363 
1364 #define ICL_PWR_WELL_CTL_AUX1			(0x5440 | REGS_NORTH_SHARED)
1365 #define ICL_PWR_WELL_CTL_AUX2			(0x5444 | REGS_NORTH_SHARED)
1366 #define ICL_PWR_WELL_CTL_AUX4			(0x544c | REGS_NORTH_SHARED)
1367 
1368 #define ICL_PWR_WELL_CTL_DDI1			(0x5450 | REGS_NORTH_SHARED)
1369 #define ICL_PWR_WELL_CTL_DDI2			(0x5454 | REGS_NORTH_SHARED)
1370 #define ICL_PWR_WELL_CTL_DDI4			(0x545c | REGS_NORTH_SHARED)
1371 
1372 // gpu pll enable registers (confirmed skylake)
1373 #define INTEL_WRPLL_CTL_1_DPLL2			(0x6040 | REGS_NORTH_SHARED)
1374 #define INTEL_WRPLL_CTL_2_DPLL3			(0x6060 | REGS_NORTH_SHARED)
1375 #define WRPLL_PLL_ENABLE				(1 << 31)
1376 
1377 // TODO: on IronLake this is in the north shared block at 0x41000
1378 #define INTEL_VGA_DISPLAY_CONTROL		(0x1400 | REGS_NORTH_PLANE_CONTROL)
1379 #define VGA_DISPLAY_DISABLED			(1UL << 31)
1380 
1381 // LVDS panel
1382 #define INTEL_PANEL_STATUS				(0x1200 | REGS_NORTH_PIPE_AND_PORT)
1383 #define INTEL_PANEL_CONTROL				(0x1204 | REGS_NORTH_PIPE_AND_PORT)
1384 #define INTEL_PANEL_FIT_CONTROL			(0x1230 | REGS_NORTH_PIPE_AND_PORT)
1385 #define INTEL_PANEL_FIT_RATIOS			(0x1234 | REGS_NORTH_PIPE_AND_PORT)
1386 
1387 // LVDS on IronLake and up
1388 #define PCH_PANEL_STATUS				(0x7200 | REGS_SOUTH_SHARED)
1389 #define PCH_PANEL_CONTROL				(0x7204 | REGS_SOUTH_SHARED)
1390 #define PCH_PANEL_ON_DELAYS				(0x7208 | REGS_SOUTH_SHARED)
1391 #define PCH_PANEL_OFF_DELAYS			(0x720c | REGS_SOUTH_SHARED)
1392 #define PCH_PANEL_DIVISOR				(0x7210 | REGS_SOUTH_SHARED)
1393 #define PCH_LVDS_DETECTED				(1 << 1)
1394 
1395 #define PANEL_STATUS_POWER_ON			(1UL << 31)
1396 #define PANEL_CONTROL_POWER_TARGET_OFF	(0UL << 0)
1397 #define PANEL_CONTROL_POWER_TARGET_ON	(1UL << 0)
1398 #define PANEL_CONTROL_POWER_TARGET_RST	(1UL << 1)
1399 #define PANEL_REGISTER_UNLOCK			(0xabcd << 16)
1400 
1401 // PCH_PANEL_ON_DELAYS
1402 #define PANEL_DELAY_PORT_SELECT_MASK	(3 << 30)
1403 #define PANEL_DELAY_PORT_SELECT_LVDS	(0 << 30)
1404 #define PANEL_DELAY_PORT_SELECT_DPA		(1 << 30)
1405 #define PANEL_DELAY_PORT_SELECT_DPC		(2 << 30)
1406 #define PANEL_DELAY_PORT_SELECT_DPD		(3 << 30)
1407 
1408 // PCH_PANEL_DIVISOR
1409 #define PANEL_DIVISOR_REFERENCE_DIV_MASK 0xffffff00
1410 #define PANEL_DIVISOR_REFERENCE_DIV_SHIFT 8
1411 #define PANEL_DIVISOR_POW_CYCLE_DLY_MASK 0x1f
1412 #define PANEL_DIVISOR_POW_CYCLE_DLY_SHIFT 0x1f
1413 
1414 // Backlight control registers
1415 // These have moved around, initially they were per pipe, then they were moved in the "north" part
1416 // of the PCH with a single backlight control (independant of pipes), and then moved again to the
1417 // "south" part of the PCH, with a simplified register layout.
1418 #define PCH_BLC_PWM_CTL2				(0x8250 | REGS_NORTH_SHARED) // Linux BLC_PWM_CPU_CTL2
1419 #define PCH_BLC_PWM_CTL					(0x8254 | REGS_NORTH_SHARED) // Linux BLC_PWM_CPU_CTL
1420 
1421 // Kaby Lake/Sunrisepoint
1422 #define BLC_PWM_PCH_CTL1				(0x8250 | REGS_SOUTH_SHARED) // Enable with bit 31
1423 #define BLC_PWM_PCH_CTL2				(0x8254 | REGS_SOUTH_SHARED) // Duty Cycle and Period
1424 
1425 // Devices after Cannonlake have a new register layout, with separate registers for the period
1426 // and duty cycle instead of having two 16bit values in a 32bit register
1427 #define PCH_SOUTH_BLC_PWM_CONTROL		(0x8250 | REGS_SOUTH_SHARED) // Linux _BXT_BLC_PWM_CTL1
1428 #define PCH_SOUTH_BLC_PWM_PERIOD		(0x8254 | REGS_SOUTH_SHARED) // Linux _BXT_BLC_PWM_FREQ1
1429 #define PCH_SOUTH_BLC_PWM_DUTY_CYCLE	(0x8258 | REGS_SOUTH_SHARED) // Linux _BXT_BLC_PWM_DUTY1
1430 
1431 #define MCH_BLC_PWM_CTL                 (0x1254 | REGS_NORTH_PIPE_AND_PORT)
1432 	// Linux VLV_BLC_PWM_CTL (one register per pipe) or BLC_PWM_CTL (a single register that can be
1433 	// programmed for use on either pipe)
1434 #define BLM_LEGACY_MODE					(1 << 16)
1435 
1436 // ring buffer commands
1437 
1438 #define COMMAND_NOOP					0x00
1439 #define COMMAND_WAIT_FOR_EVENT			(0x03 << 23)
1440 #define COMMAND_WAIT_FOR_OVERLAY_FLIP	(1 << 16)
1441 
1442 #define COMMAND_FLUSH					(0x04 << 23)
1443 
1444 // overlay flip
1445 #define COMMAND_OVERLAY_FLIP			(0x11 << 23)
1446 #define COMMAND_OVERLAY_CONTINUE		(0 << 21)
1447 #define COMMAND_OVERLAY_ON				(1 << 21)
1448 #define COMMAND_OVERLAY_OFF				(2 << 21)
1449 #define OVERLAY_UPDATE_COEFFICIENTS		0x1
1450 
1451 // 2D acceleration
1452 #define XY_COMMAND_SOURCE_BLIT			0x54c00006
1453 #define XY_COMMAND_COLOR_BLIT			0x54000004
1454 #define XY_COMMAND_SETUP_MONO_PATTERN	0x44400007
1455 #define XY_COMMAND_SCANLINE_BLIT		0x49400001
1456 #define COMMAND_COLOR_BLIT				0x50000003
1457 #define COMMAND_BLIT_RGBA				0x00300000
1458 
1459 #define COMMAND_MODE_SOLID_PATTERN		0x80
1460 #define COMMAND_MODE_CMAP8				0x00
1461 #define COMMAND_MODE_RGB15				0x02
1462 #define COMMAND_MODE_RGB16				0x01
1463 #define COMMAND_MODE_RGB32				0x03
1464 
1465 // overlay
1466 #define INTEL_OVERLAY_UPDATE			0x30000
1467 #define INTEL_OVERLAY_TEST				0x30004
1468 #define INTEL_OVERLAY_STATUS			0x30008
1469 #define INTEL_OVERLAY_EXTENDED_STATUS	0x3000c
1470 #define INTEL_OVERLAY_GAMMA_5			0x30010
1471 #define INTEL_OVERLAY_GAMMA_4			0x30014
1472 #define INTEL_OVERLAY_GAMMA_3			0x30018
1473 #define INTEL_OVERLAY_GAMMA_2			0x3001c
1474 #define INTEL_OVERLAY_GAMMA_1			0x30020
1475 #define INTEL_OVERLAY_GAMMA_0			0x30024
1476 
1477 // FDI - Flexible Display Interface, the interface between the (CPU-internal)
1478 // GPU and the PCH display outputs. Proprietary interface, based on DisplayPort
1479 // though, so similar link training and all...
1480 // There's an FDI transmitter (TX) on the CPU and an FDI receiver (RX) on the
1481 // PCH for each display pipe.
1482 // FDI receiver A is hooked up to transcoder A, FDI receiver B is hooked up to
1483 // transcoder B, so we have the same mapping as with the display pipes.
1484 #define _FDI_RXA_CTL					0xf000c
1485 #define _FDI_RXB_CTL					0xf100c
1486 #define FDI_RX_CTL(pipe)				(_FDI_RXA_CTL + (_FDI_RXB_CTL - _FDI_RXA_CTL) * (pipe - INTEL_PIPE_A))
1487 #define _FDI_RXA_MISC					0xf0010
1488 #define _FDI_RXB_MISC					0xf1010
1489 #define FDI_RX_MISC(pipe)				(_FDI_RXA_MISC + (_FDI_RXB_MISC - _FDI_RXA_MISC) * (pipe - INTEL_PIPE_A))
1490 #define _FDI_RXA_IIR					0xf0014
1491 #define _FDI_RXB_IIR					0xf1014
1492 #define FDI_RX_IIR(pipe)				(_FDI_RXA_IIR + (_FDI_RXB_IIR - _FDI_RXA_IIR) * (pipe - INTEL_PIPE_A))
1493 #define _FDI_RXA_IMR					0xf0018
1494 #define _FDI_RXB_IMR					0xf1018
1495 #define FDI_RX_IMR(pipe)				(_FDI_RXA_IMR + (_FDI_RXB_IMR - _FDI_RXA_IMR) * (pipe - INTEL_PIPE_A))
1496 
1497 #define FDI_RX_ENABLE					(1 << 31)
1498 #define FDI_RX_PLL_ENABLED				(1 << 13)
1499 
1500 #define FDI_RX_LINK_COLOR_SHIFT			16
1501 #define FDI_RX_LINK_BPC(x)				((x) << FDI_RX_LINK_COLOR_SHIFT)
1502 #define FDI_RX_LINK_BPC_MASK			(7 << FDI_RX_LINK_COLOR_SHIFT)
1503 
1504 // Transcoder - same base as FDI_RX
1505 #define PCH_TRANS_CONF_A				0x0008
1506 #define PCH_TRANS_CONF_B				0x1008
1507 #define PCH_TRANS_CONF_C				0x2008
1508 
1509 // Transcoder - skylake DDI
1510 #define DDI_SKL_TRANS_CONF_A			(0x0008 | REGS_NORTH_PLANE_CONTROL)
1511 #define DDI_SKL_TRANS_CONF_B			(0x1008 | REGS_NORTH_PLANE_CONTROL)
1512 #define DDI_SKL_TRANS_CONF_C			(0x2008 | REGS_NORTH_PLANE_CONTROL)
1513 #define DDI_SKL_TRANS_CONF_EDP			(0xf008 | REGS_NORTH_PLANE_CONTROL)
1514 
1515 #define TRANS_ENABLE					(1 << 31)
1516 #define TRANS_ENABLED					(1 << 30)
1517 
1518 // FDI_tX interrupt register
1519 #define FDI_RX_INTER_LANE_ALIGN         (1 << 10)
1520 #define FDI_RX_SYMBOL_LOCK              (1 << 9)
1521 #define FDI_RX_BIT_LOCK                 (1 << 8)
1522 #define FDI_RX_TRAIN_PATTERN_2_FAIL     (1 << 7)
1523 #define FDI_RX_FS_CODE_ERR              (1 << 6)
1524 #define FDI_RX_FE_CODE_ERR              (1 << 5)
1525 #define FDI_RX_SYMBOL_ERR_RATE_ABOVE    (1 << 4)
1526 #define FDI_RX_HDCP_LINK_FAIL           (1 << 3)
1527 #define FDI_RX_PIXEL_FIFO_OVERFLOW      (1 << 2)
1528 #define FDI_RX_CROSS_CLOCK_OVERFLOW     (1 << 1)
1529 #define FDI_RX_SYMBOL_QUEUE_OVERFLOW    (1 << 0)
1530 
1531 #define FDI_FS_ERRC_ENABLE				(1 << 27)
1532 #define FDI_FE_ERRC_ENABLE				(1 << 26)
1533 
1534 #define _FDI_RXA_TUSIZE1				0xf0030
1535 #define _FDI_RXA_TUSIZE2				0xf0038
1536 #define _FDI_RXB_TUSIZE1				0xf1030
1537 #define _FDI_RXB_TUSIZE2				0xf1038
1538 #define FDI_RX_TUSIZE1(pipe)	(_FDI_RXA_TUSIZE1 + (_FDI_RXB_TUSIZE1 - _FDI_RXA_TUSIZE1) * (pipe - INTEL_PIPE_A))
1539 #define FDI_RX_TUSIZE2(pipe)	(_FDI_RXA_TUSIZE2 + (_FDI_RXB_TUSIZE2 - _FDI_RXA_TUSIZE2) * (pipe - INTEL_PIPE_A))
1540 #define FDI_RX_TRANS_UNIT_SIZE(x)		((x - 1) << 25)
1541 #define FDI_RX_TRANS_UNIT_MASK			0x7e000000
1542 
1543 #define FDI_RX_ENHANCE_FRAME_ENABLE		(1 << 6)
1544 #define FDI_RX_CLOCK_MASK				(1 << 4)
1545 #define FDI_RX_CLOCK_RAW				(0 << 4)
1546 #define FDI_RX_CLOCK_PCD				(1 << 4)
1547 
1548 // FDI RX MISC
1549 #define FDI_RX_PWRDN_LANE1_MASK		(3 << 26)
1550 #define FDI_RX_PWRDN_LANE1_VAL(x)	((x) << 26)
1551 #define FDI_RX_PWRDN_LANE0_MASK		(3 << 24)
1552 #define FDI_RX_PWRDN_LANE0_VAL(x)	((x) << 24)
1553 #define FDI_RX_TP1_TO_TP2_48		(2 << 20)
1554 #define FDI_RX_TP1_TO_TP2_64		(3 << 20)
1555 #define FDI_RX_FDI_DELAY_90			(0x90 << 0)
1556 
1557 #define _FDI_TXA_CTL 					(0x0100 | REGS_NORTH_PIPE_AND_PORT)
1558 #define _FDI_TXB_CTL 					(0x1100 | REGS_NORTH_PIPE_AND_PORT)
1559 #define FDI_TX_CTL(pipe)				(_FDI_TXA_CTL + (_FDI_TXB_CTL - _FDI_TXA_CTL) * (pipe - INTEL_PIPE_A))
1560 #define FDI_TX_ENABLE						(1 << 31)
1561 #define FDI_LINK_TRAIN_PATTERN_1			(0 << 28)
1562 #define FDI_LINK_TRAIN_PATTERN_2			(1 << 28)
1563 #define FDI_LINK_TRAIN_PATTERN_IDLE			(2 << 28)
1564 #define FDI_LINK_TRAIN_NONE					(3 << 28)
1565 #define FDI_LINK_TRAIN_VOLTAGE_0_4V			(0 << 25)
1566 #define FDI_LINK_TRAIN_VOLTAGE_0_6V			(1 << 25)
1567 #define FDI_LINK_TRAIN_VOLTAGE_0_8V			(2 << 25)
1568 #define FDI_LINK_TRAIN_VOLTAGE_1_2V			(3 << 25)
1569 #define FDI_LINK_TRAIN_PRE_EMPHASIS_NONE	(0 << 22)
1570 #define FDI_LINK_TRAIN_PRE_EMPHASIS_1_5X	(1 << 22)
1571 #define FDI_LINK_TRAIN_PRE_EMPHASIS_2X		(2 << 22)
1572 #define FDI_LINK_TRAIN_PRE_EMPHASIS_3X		(3 << 22)
1573 
1574 // FDI/PIPE M/N DATA AND LINK VALUES (refreshrate)
1575 #define PCH_FDI_PIPE_A_DATA_M1				(0x0030 | REGS_NORTH_PIPE_AND_PORT)
1576 #define PCH_FDI_PIPE_A_DATA_M2				(0x0038 | REGS_NORTH_PIPE_AND_PORT)
1577 #define PCH_FDI_PIPE_B_DATA_M1				(0x1030 | REGS_NORTH_PIPE_AND_PORT)
1578 #define PCH_FDI_PIPE_B_DATA_M2				(0x1038 | REGS_NORTH_PIPE_AND_PORT)
1579 #define PCH_FDI_PIPE_C_DATA_M1				(0x2030 | REGS_NORTH_PIPE_AND_PORT)
1580 #define PCH_FDI_PIPE_C_DATA_M2				(0x2038 | REGS_NORTH_PIPE_AND_PORT)
1581 #define PCH_FDI_PIPE_A_DATA_N1				(0x0034 | REGS_NORTH_PIPE_AND_PORT)
1582 #define PCH_FDI_PIPE_A_DATA_N2				(0x003c | REGS_NORTH_PIPE_AND_PORT)
1583 #define PCH_FDI_PIPE_B_DATA_N1				(0x1034 | REGS_NORTH_PIPE_AND_PORT)
1584 #define PCH_FDI_PIPE_B_DATA_N2				(0x103c | REGS_NORTH_PIPE_AND_PORT)
1585 #define PCH_FDI_PIPE_C_DATA_N1				(0x2034 | REGS_NORTH_PIPE_AND_PORT)
1586 #define PCH_FDI_PIPE_C_DATA_N2				(0x203c | REGS_NORTH_PIPE_AND_PORT)
1587 #define PCH_FDI_PIPE_A_LINK_M1				(0x0040 | REGS_NORTH_PIPE_AND_PORT)
1588 #define PCH_FDI_PIPE_A_LINK_M2				(0x0048 | REGS_NORTH_PIPE_AND_PORT)
1589 #define PCH_FDI_PIPE_B_LINK_M1				(0x1040 | REGS_NORTH_PIPE_AND_PORT)
1590 #define PCH_FDI_PIPE_B_LINK_M2				(0x1048 | REGS_NORTH_PIPE_AND_PORT)
1591 #define PCH_FDI_PIPE_C_LINK_M1				(0x2040 | REGS_NORTH_PIPE_AND_PORT)
1592 #define PCH_FDI_PIPE_C_LINK_M2				(0x2048 | REGS_NORTH_PIPE_AND_PORT)
1593 #define PCH_FDI_PIPE_A_LINK_N1				(0x0044 | REGS_NORTH_PIPE_AND_PORT)
1594 #define PCH_FDI_PIPE_A_LINK_N2				(0x004c | REGS_NORTH_PIPE_AND_PORT)
1595 #define PCH_FDI_PIPE_B_LINK_N1				(0x1044 | REGS_NORTH_PIPE_AND_PORT)
1596 #define PCH_FDI_PIPE_B_LINK_N2				(0x104c | REGS_NORTH_PIPE_AND_PORT)
1597 #define PCH_FDI_PIPE_C_LINK_N1				(0x2044 | REGS_NORTH_PIPE_AND_PORT)
1598 #define PCH_FDI_PIPE_C_LINK_N2				(0x204c | REGS_NORTH_PIPE_AND_PORT)
1599 #define FDI_PIPE_MN_TU_SIZE_MASK			(0x3f << 25)
1600 #define FDI_PIPE_MN_VALUE_MASK				(0xffffff << 0)
1601 
1602 // SNB A stepping
1603 #define FDI_LINK_TRAIN_400MV_0DB_SNB_A		(0x38 << 22)
1604 #define FDI_LINK_TRAIN_400MV_6DB_SNB_A		(0x02 << 22)
1605 #define FDI_LINK_TRAIN_600MV_3_5DB_SNB_A	(0x01 << 22)
1606 #define FDI_LINK_TRAIN_800MV_0DB_SNB_A		(0x00 << 22)
1607 
1608 // SNB B stepping
1609 #define FDI_LINK_TRAIN_400MV_0DB_SNB_B		(0x00 << 22)
1610 #define FDI_LINK_TRAIN_400MV_6DB_SNB_B		(0x3a << 22)
1611 #define FDI_LINK_TRAIN_600MV_3_5DB_SNB_B	(0x39 << 22)
1612 #define FDI_LINK_TRAIN_800MV_0DB_SNB_B		(0x38 << 22)
1613 #define FDI_LINK_TRAIN_VOL_EMP_MASK			(0x3f << 22)
1614 #define FDI_TX_ENHANCE_FRAME_ENABLE			(1 << 18)
1615 #define FDI_TX_PLL_ENABLED					(1 << 14)
1616 
1617 #define FDI_DP_PORT_WIDTH_SHIFT			19
1618 #define FDI_DP_PORT_WIDTH_MASK			(7 << FDI_DP_PORT_WIDTH_SHIFT)
1619 #define FDI_DP_PORT_WIDTH(width)		(((width) - 1) << FDI_DP_PORT_WIDTH_SHIFT)
1620 
1621 #define FDI_PLL_BIOS_0					0x46000
1622 #define FDI_PLL_FB_CLOCK_MASK			0xff
1623 #define FDI_PLL_BIOS_1					0x46004
1624 #define FDI_PLL_BIOS_2					0x46008
1625 
1626 #define FDI_AUTO_TRAINING				(1 << 10)
1627 #define FDI_AUTO_TRAIN_DONE				(1 << 1)
1628 
1629 #define FDI_LINK_TRAIN_PATTERN_1_CPT	(0 << 8)
1630 #define FDI_LINK_TRAIN_PATTERN_2_CPT	(1 << 8)
1631 #define FDI_LINK_TRAIN_PATTERN_IDLE_CPT	(2 << 8)
1632 #define FDI_LINK_TRAIN_NORMAL_CPT		(3 << 8)
1633 #define FDI_LINK_TRAIN_PATTERN_MASK_CPT	(3 << 8)
1634 
1635 // IvyBridge changes it up because... they hate developers?
1636 #define FDI_LINK_TRAIN_PATTERN_1_IVB	(0 << 8)
1637 #define FDI_LINK_TRAIN_PATTERN_2_IVB	(1 << 8)
1638 #define FDI_LINK_TRAIN_PATTERN_IDLE_IVB	(2 << 8)
1639 #define FDI_LINK_TRAIN_NONE_IVB			(3 << 8)
1640 
1641 #define PCH_FDI_RXA_CHICKEN				(0x200c | REGS_SOUTH_SHARED)
1642 #define PCH_FDI_RXB_CHICKEN				(0x2010 | REGS_SOUTH_SHARED)
1643 #define FDI_RX_PHASE_SYNC_POINTER_EN	(1 << 0)
1644 #define FDI_RX_PHASE_SYNC_POINTER_OVR	(1 << 1)
1645 
1646 #define SFUSE_STRAP						(0x2014 | REGS_SOUTH_SHARED)
1647 #define SFUSE_STRAP_RAW_FREQUENCY		(1 << 8)
1648 
1649 // CPU Panel Fitters - These are for IronLake and up and are the CPU internal
1650 // panel fitters.
1651 #define PCH_PANEL_FITTER_BASE_REGISTER	0x68000
1652 #define PCH_PANEL_FITTER_PIPE_OFFSET	0x00800
1653 
1654 #define PCH_PANEL_FITTER_WINDOW_POS		0x70
1655 #define PCH_PANEL_FITTER_WINDOW_SIZE	0x74
1656 #define PCH_PANEL_FITTER_CONTROL		0x80
1657 //not on IvyBridge:
1658 #define PCH_PANEL_FITTER_V_SCALE		0x84
1659 #define PCH_PANEL_FITTER_H_SCALE		0x90
1660 
1661 #define PANEL_FITTER_ENABLED			(1 << 31)
1662 //pipes are hardcoded according to offset on SkyLake and later
1663 #define PANEL_FITTER_PIPE_MASK			(3 << 29)
1664 #define PANEL_FITTER_PIPE_A				(0 << 29)
1665 #define PANEL_FITTER_PIPE_B				(1 << 29)
1666 #define PANEL_FITTER_PIPE_C				(2 << 29)
1667 #define PANEL_FITTER_SCALING_MODE_MASK	(7 << 26)
1668 #define PANEL_FITTER_FILTER_MASK		(3 << 24)
1669 
1670 struct overlay_scale {
1671 	uint32 _reserved0 : 3;
1672 	uint32 horizontal_scale_fraction : 12;
1673 	uint32 _reserved1 : 1;
1674 	uint32 horizontal_downscale_factor : 3;
1675 	uint32 _reserved2 : 1;
1676 	uint32 vertical_scale_fraction : 12;
1677 };
1678 
1679 #define OVERLAY_FORMAT_RGB15			0x2
1680 #define OVERLAY_FORMAT_RGB16			0x3
1681 #define OVERLAY_FORMAT_RGB32			0x1
1682 #define OVERLAY_FORMAT_YCbCr422			0x8
1683 #define OVERLAY_FORMAT_YCbCr411			0x9
1684 #define OVERLAY_FORMAT_YCbCr420			0xc
1685 
1686 #define OVERLAY_MIRROR_NORMAL			0x0
1687 #define OVERLAY_MIRROR_HORIZONTAL		0x1
1688 #define OVERLAY_MIRROR_VERTICAL			0x2
1689 
1690 // The real overlay registers are written to using an update buffer
1691 
1692 struct overlay_registers {
1693 	uint32 buffer_rgb0;
1694 	uint32 buffer_rgb1;
1695 	uint32 buffer_u0;
1696 	uint32 buffer_v0;
1697 	uint32 buffer_u1;
1698 	uint32 buffer_v1;
1699 	// (0x18) OSTRIDE - overlay stride
1700 	uint16 stride_rgb;
1701 	uint16 stride_uv;
1702 	// (0x1c) YRGB_VPH - Y/RGB vertical phase
1703 	uint16 vertical_phase0_rgb;
1704 	uint16 vertical_phase1_rgb;
1705 	// (0x20) UV_VPH - UV vertical phase
1706 	uint16 vertical_phase0_uv;
1707 	uint16 vertical_phase1_uv;
1708 	// (0x24) HORZ_PH - horizontal phase
1709 	uint16 horizontal_phase_rgb;
1710 	uint16 horizontal_phase_uv;
1711 	// (0x28) INIT_PHS - initial phase shift
1712 	uint32 initial_vertical_phase0_shift_rgb0 : 4;
1713 	uint32 initial_vertical_phase1_shift_rgb0 : 4;
1714 	uint32 initial_horizontal_phase_shift_rgb0 : 4;
1715 	uint32 initial_vertical_phase0_shift_uv : 4;
1716 	uint32 initial_vertical_phase1_shift_uv : 4;
1717 	uint32 initial_horizontal_phase_shift_uv : 4;
1718 	uint32 _reserved0 : 8;
1719 	// (0x2c) DWINPOS - destination window position
1720 	uint16 window_left;
1721 	uint16 window_top;
1722 	// (0x30) DWINSZ - destination window size
1723 	uint16 window_width;
1724 	uint16 window_height;
1725 	// (0x34) SWIDTH - source width
1726 	uint16 source_width_rgb;
1727 	uint16 source_width_uv;
1728 	// (0x38) SWITDHSW - source width in 8 byte steps
1729 	uint16 source_bytes_per_row_rgb;
1730 	uint16 source_bytes_per_row_uv;
1731 	uint16 source_height_rgb;
1732 	uint16 source_height_uv;
1733 	overlay_scale scale_rgb;
1734 	overlay_scale scale_uv;
1735 	// (0x48) OCLRC0 - overlay color correction 0
1736 	uint32 brightness_correction : 8;		// signed, -128 to 127
1737 	uint32 _reserved1 : 10;
1738 	uint32 contrast_correction : 9;			// fixed point: 3.6 bits
1739 	uint32 _reserved2 : 5;
1740 	// (0x4c) OCLRC1 - overlay color correction 1
1741 	uint32 saturation_cos_correction : 10;	// fixed point: 3.7 bits
1742 	uint32 _reserved3 : 6;
1743 	uint32 saturation_sin_correction : 11;	// signed fixed point: 3.7 bits
1744 	uint32 _reserved4 : 5;
1745 	// (0x50) DCLRKV - destination color key value
1746 	uint32 color_key_blue : 8;
1747 	uint32 color_key_green : 8;
1748 	uint32 color_key_red : 8;
1749 	uint32 _reserved5 : 8;
1750 	// (0x54) DCLRKM - destination color key mask
1751 	uint32 color_key_mask_blue : 8;
1752 	uint32 color_key_mask_green : 8;
1753 	uint32 color_key_mask_red : 8;
1754 	uint32 _reserved6 : 7;
1755 	uint32 color_key_enabled : 1;
1756 	// (0x58) SCHRKVH - source chroma key high value
1757 	uint32 source_chroma_key_high_red : 8;
1758 	uint32 source_chroma_key_high_blue : 8;
1759 	uint32 source_chroma_key_high_green : 8;
1760 	uint32 _reserved7 : 8;
1761 	// (0x5c) SCHRKVL - source chroma key low value
1762 	uint32 source_chroma_key_low_red : 8;
1763 	uint32 source_chroma_key_low_blue : 8;
1764 	uint32 source_chroma_key_low_green : 8;
1765 	uint32 _reserved8 : 8;
1766 	// (0x60) SCHRKEN - source chroma key enable
1767 	uint32 _reserved9 : 24;
1768 	uint32 source_chroma_key_red_enabled : 1;
1769 	uint32 source_chroma_key_blue_enabled : 1;
1770 	uint32 source_chroma_key_green_enabled : 1;
1771 	uint32 _reserved10 : 5;
1772 	// (0x64) OCONFIG - overlay configuration
1773 	uint32 _reserved11 : 3;
1774 	uint32 color_control_output_mode : 1;
1775 	uint32 yuv_to_rgb_bypass : 1;
1776 	uint32 _reserved12 : 11;
1777 	uint32 gamma2_enabled : 1;
1778 	uint32 _reserved13 : 1;
1779 	uint32 select_pipe : 1;
1780 	uint32 slot_time : 8;
1781 	uint32 _reserved14 : 5;
1782 	// (0x68) OCOMD - overlay command
1783 	uint32 overlay_enabled : 1;
1784 	uint32 active_field : 1;
1785 	uint32 active_buffer : 2;
1786 	uint32 test_mode : 1;
1787 	uint32 buffer_field_mode : 1;
1788 	uint32 _reserved15 : 1;
1789 	uint32 tv_flip_field_enabled : 1;
1790 	uint32 _reserved16 : 1;
1791 	uint32 tv_flip_field_parity : 1;
1792 	uint32 source_format : 4;
1793 	uint32 ycbcr422_order : 2;
1794 	uint32 _reserved18 : 1;
1795 	uint32 mirroring_mode : 2;
1796 	uint32 _reserved19 : 13;
1797 
1798 	uint32 _reserved20;
1799 
1800 	uint32 start_0y;
1801 	uint32 start_1y;
1802 	uint32 start_0u;
1803 	uint32 start_0v;
1804 	uint32 start_1u;
1805 	uint32 start_1v;
1806 	uint32 _reserved21[6];
1807 #if 0
1808 	// (0x70) AWINPOS - alpha blend window position
1809 	uint32 awinpos;
1810 	// (0x74) AWINSZ - alpha blend window size
1811 	uint32 awinsz;
1812 
1813 	uint32 _reserved21[10];
1814 #endif
1815 
1816 	// (0xa0) FASTHSCALE - fast horizontal downscale (strangely enough,
1817 	// the next two registers switch the usual Y/RGB vs. UV order)
1818 	uint16 horizontal_scale_uv;
1819 	uint16 horizontal_scale_rgb;
1820 	// (0xa4) UVSCALEV - vertical downscale
1821 	uint16 vertical_scale_uv;
1822 	uint16 vertical_scale_rgb;
1823 
1824 	uint32 _reserved22[86];
1825 
1826 	// (0x200) polyphase filter coefficients
1827 	uint16 vertical_coefficients_rgb[128];
1828 	uint16 horizontal_coefficients_rgb[128];
1829 
1830 	uint32	_reserved23[64];
1831 
1832 	// (0x500)
1833 	uint16 vertical_coefficients_uv[128];
1834 	uint16 horizontal_coefficients_uv[128];
1835 };
1836 
1837 // i965 overlay support is currently realized using its 3D hardware
1838 #define INTEL_i965_OVERLAY_STATE_SIZE	36864
1839 #define INTEL_i965_3D_CONTEXT_SIZE		32768
1840 
1841 inline bool
1842 intel_uses_physical_overlay(intel_shared_info &info)
1843 {
1844 	return !info.device_type.InGroup(INTEL_GROUP_Gxx);
1845 }
1846 
1847 
1848 struct hardware_status {
1849 	uint32	interrupt_status_register;
1850 	uint32	_reserved0[3];
1851 	void*	primary_ring_head_storage;
1852 	uint32	_reserved1[3];
1853 	void*	secondary_ring_0_head_storage;
1854 	void*	secondary_ring_1_head_storage;
1855 	uint32	_reserved2[2];
1856 	void*	binning_head_storage;
1857 	uint32	_reserved3[3];
1858 	uint32	store[1008];
1859 };
1860 
1861 
1862 #endif	/* INTEL_EXTREME_H */
1863