xref: /openbmc/linux/drivers/gpu/drm/i915/i915_reg.h (revision df2634f43f5106947f3735a0b61a6527a4b278cd)
1 /* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
2  * All Rights Reserved.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the
6  * "Software"), to deal in the Software without restriction, including
7  * without limitation the rights to use, copy, modify, merge, publish,
8  * distribute, sub license, and/or sell copies of the Software, and to
9  * permit persons to whom the Software is furnished to do so, subject to
10  * the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the
13  * next paragraph) shall be included in all copies or substantial portions
14  * of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
19  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
20  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
21  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
22  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23  */
24 
25 #ifndef _I915_REG_H_
26 #define _I915_REG_H_
27 
28 #define _PIPE(pipe, a, b) ((a) + (pipe)*((b)-(a)))
29 
30 /*
31  * The Bridge device's PCI config space has information about the
32  * fb aperture size and the amount of pre-reserved memory.
33  * This is all handled in the intel-gtt.ko module. i915.ko only
34  * cares about the vga bit for the vga rbiter.
35  */
36 #define INTEL_GMCH_CTRL		0x52
37 #define INTEL_GMCH_VGA_DISABLE  (1 << 1)
38 
39 /* PCI config space */
40 
41 #define HPLLCC	0xc0 /* 855 only */
42 #define   GC_CLOCK_CONTROL_MASK		(0xf << 0)
43 #define   GC_CLOCK_133_200		(0 << 0)
44 #define   GC_CLOCK_100_200		(1 << 0)
45 #define   GC_CLOCK_100_133		(2 << 0)
46 #define   GC_CLOCK_166_250		(3 << 0)
47 #define GCFGC2	0xda
48 #define GCFGC	0xf0 /* 915+ only */
49 #define   GC_LOW_FREQUENCY_ENABLE	(1 << 7)
50 #define   GC_DISPLAY_CLOCK_190_200_MHZ	(0 << 4)
51 #define   GC_DISPLAY_CLOCK_333_MHZ	(4 << 4)
52 #define   GC_DISPLAY_CLOCK_MASK		(7 << 4)
53 #define   GM45_GC_RENDER_CLOCK_MASK	(0xf << 0)
54 #define   GM45_GC_RENDER_CLOCK_266_MHZ	(8 << 0)
55 #define   GM45_GC_RENDER_CLOCK_320_MHZ	(9 << 0)
56 #define   GM45_GC_RENDER_CLOCK_400_MHZ	(0xb << 0)
57 #define   GM45_GC_RENDER_CLOCK_533_MHZ	(0xc << 0)
58 #define   I965_GC_RENDER_CLOCK_MASK	(0xf << 0)
59 #define   I965_GC_RENDER_CLOCK_267_MHZ	(2 << 0)
60 #define   I965_GC_RENDER_CLOCK_333_MHZ	(3 << 0)
61 #define   I965_GC_RENDER_CLOCK_444_MHZ	(4 << 0)
62 #define   I965_GC_RENDER_CLOCK_533_MHZ	(5 << 0)
63 #define   I945_GC_RENDER_CLOCK_MASK	(7 << 0)
64 #define   I945_GC_RENDER_CLOCK_166_MHZ	(0 << 0)
65 #define   I945_GC_RENDER_CLOCK_200_MHZ	(1 << 0)
66 #define   I945_GC_RENDER_CLOCK_250_MHZ	(3 << 0)
67 #define   I945_GC_RENDER_CLOCK_400_MHZ	(5 << 0)
68 #define   I915_GC_RENDER_CLOCK_MASK	(7 << 0)
69 #define   I915_GC_RENDER_CLOCK_166_MHZ	(0 << 0)
70 #define   I915_GC_RENDER_CLOCK_200_MHZ	(1 << 0)
71 #define   I915_GC_RENDER_CLOCK_333_MHZ	(4 << 0)
72 #define LBB	0xf4
73 
74 /* Graphics reset regs */
75 #define I965_GDRST 0xc0 /* PCI config register */
76 #define ILK_GDSR 0x2ca4 /* MCHBAR offset */
77 #define  GRDOM_FULL	(0<<2)
78 #define  GRDOM_RENDER	(1<<2)
79 #define  GRDOM_MEDIA	(3<<2)
80 
81 #define GEN6_GDRST	0x941c
82 #define  GEN6_GRDOM_FULL		(1 << 0)
83 #define  GEN6_GRDOM_RENDER		(1 << 1)
84 #define  GEN6_GRDOM_MEDIA		(1 << 2)
85 #define  GEN6_GRDOM_BLT			(1 << 3)
86 
87 /* VGA stuff */
88 
89 #define VGA_ST01_MDA 0x3ba
90 #define VGA_ST01_CGA 0x3da
91 
92 #define VGA_MSR_WRITE 0x3c2
93 #define VGA_MSR_READ 0x3cc
94 #define   VGA_MSR_MEM_EN (1<<1)
95 #define   VGA_MSR_CGA_MODE (1<<0)
96 
97 #define VGA_SR_INDEX 0x3c4
98 #define VGA_SR_DATA 0x3c5
99 
100 #define VGA_AR_INDEX 0x3c0
101 #define   VGA_AR_VID_EN (1<<5)
102 #define VGA_AR_DATA_WRITE 0x3c0
103 #define VGA_AR_DATA_READ 0x3c1
104 
105 #define VGA_GR_INDEX 0x3ce
106 #define VGA_GR_DATA 0x3cf
107 /* GR05 */
108 #define   VGA_GR_MEM_READ_MODE_SHIFT 3
109 #define     VGA_GR_MEM_READ_MODE_PLANE 1
110 /* GR06 */
111 #define   VGA_GR_MEM_MODE_MASK 0xc
112 #define   VGA_GR_MEM_MODE_SHIFT 2
113 #define   VGA_GR_MEM_A0000_AFFFF 0
114 #define   VGA_GR_MEM_A0000_BFFFF 1
115 #define   VGA_GR_MEM_B0000_B7FFF 2
116 #define   VGA_GR_MEM_B0000_BFFFF 3
117 
118 #define VGA_DACMASK 0x3c6
119 #define VGA_DACRX 0x3c7
120 #define VGA_DACWX 0x3c8
121 #define VGA_DACDATA 0x3c9
122 
123 #define VGA_CR_INDEX_MDA 0x3b4
124 #define VGA_CR_DATA_MDA 0x3b5
125 #define VGA_CR_INDEX_CGA 0x3d4
126 #define VGA_CR_DATA_CGA 0x3d5
127 
128 /*
129  * Memory interface instructions used by the kernel
130  */
131 #define MI_INSTR(opcode, flags) (((opcode) << 23) | (flags))
132 
133 #define MI_NOOP			MI_INSTR(0, 0)
134 #define MI_USER_INTERRUPT	MI_INSTR(0x02, 0)
135 #define MI_WAIT_FOR_EVENT       MI_INSTR(0x03, 0)
136 #define   MI_WAIT_FOR_OVERLAY_FLIP	(1<<16)
137 #define   MI_WAIT_FOR_PLANE_B_FLIP      (1<<6)
138 #define   MI_WAIT_FOR_PLANE_A_FLIP      (1<<2)
139 #define   MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1)
140 #define MI_FLUSH		MI_INSTR(0x04, 0)
141 #define   MI_READ_FLUSH		(1 << 0)
142 #define   MI_EXE_FLUSH		(1 << 1)
143 #define   MI_NO_WRITE_FLUSH	(1 << 2)
144 #define   MI_SCENE_COUNT	(1 << 3) /* just increment scene count */
145 #define   MI_END_SCENE		(1 << 4) /* flush binner and incr scene count */
146 #define   MI_INVALIDATE_ISP	(1 << 5) /* invalidate indirect state pointers */
147 #define MI_BATCH_BUFFER_END	MI_INSTR(0x0a, 0)
148 #define MI_SUSPEND_FLUSH	MI_INSTR(0x0b, 0)
149 #define   MI_SUSPEND_FLUSH_EN	(1<<0)
150 #define MI_REPORT_HEAD		MI_INSTR(0x07, 0)
151 #define MI_OVERLAY_FLIP		MI_INSTR(0x11,0)
152 #define   MI_OVERLAY_CONTINUE	(0x0<<21)
153 #define   MI_OVERLAY_ON		(0x1<<21)
154 #define   MI_OVERLAY_OFF	(0x2<<21)
155 #define MI_LOAD_SCAN_LINES_INCL MI_INSTR(0x12, 0)
156 #define MI_DISPLAY_FLIP		MI_INSTR(0x14, 2)
157 #define MI_DISPLAY_FLIP_I915	MI_INSTR(0x14, 1)
158 #define   MI_DISPLAY_FLIP_PLANE(n) ((n) << 20)
159 #define MI_SET_CONTEXT		MI_INSTR(0x18, 0)
160 #define   MI_MM_SPACE_GTT		(1<<8)
161 #define   MI_MM_SPACE_PHYSICAL		(0<<8)
162 #define   MI_SAVE_EXT_STATE_EN		(1<<3)
163 #define   MI_RESTORE_EXT_STATE_EN	(1<<2)
164 #define   MI_FORCE_RESTORE		(1<<1)
165 #define   MI_RESTORE_INHIBIT		(1<<0)
166 #define MI_STORE_DWORD_IMM	MI_INSTR(0x20, 1)
167 #define   MI_MEM_VIRTUAL	(1 << 22) /* 965+ only */
168 #define MI_STORE_DWORD_INDEX	MI_INSTR(0x21, 1)
169 #define   MI_STORE_DWORD_INDEX_SHIFT 2
170 /* Official intel docs are somewhat sloppy concerning MI_LOAD_REGISTER_IMM:
171  * - Always issue a MI_NOOP _before_ the MI_LOAD_REGISTER_IMM - otherwise hw
172  *   simply ignores the register load under certain conditions.
173  * - One can actually load arbitrary many arbitrary registers: Simply issue x
174  *   address/value pairs. Don't overdue it, though, x <= 2^4 must hold!
175  */
176 #define MI_LOAD_REGISTER_IMM(x)	MI_INSTR(0x22, 2*x-1)
177 #define MI_FLUSH_DW		MI_INSTR(0x26, 1) /* for GEN6 */
178 #define   MI_INVALIDATE_TLB	(1<<18)
179 #define   MI_INVALIDATE_BSD	(1<<7)
180 #define MI_BATCH_BUFFER		MI_INSTR(0x30, 1)
181 #define   MI_BATCH_NON_SECURE	(1)
182 #define   MI_BATCH_NON_SECURE_I965 (1<<8)
183 #define MI_BATCH_BUFFER_START	MI_INSTR(0x31, 0)
184 #define MI_SEMAPHORE_MBOX	MI_INSTR(0x16, 1) /* gen6+ */
185 #define  MI_SEMAPHORE_GLOBAL_GTT    (1<<22)
186 #define  MI_SEMAPHORE_UPDATE	    (1<<21)
187 #define  MI_SEMAPHORE_COMPARE	    (1<<20)
188 #define  MI_SEMAPHORE_REGISTER	    (1<<18)
189 /*
190  * 3D instructions used by the kernel
191  */
192 #define GFX_INSTR(opcode, flags) ((0x3 << 29) | ((opcode) << 24) | (flags))
193 
194 #define GFX_OP_RASTER_RULES    ((0x3<<29)|(0x7<<24))
195 #define GFX_OP_SCISSOR         ((0x3<<29)|(0x1c<<24)|(0x10<<19))
196 #define   SC_UPDATE_SCISSOR       (0x1<<1)
197 #define   SC_ENABLE_MASK          (0x1<<0)
198 #define   SC_ENABLE               (0x1<<0)
199 #define GFX_OP_LOAD_INDIRECT   ((0x3<<29)|(0x1d<<24)|(0x7<<16))
200 #define GFX_OP_SCISSOR_INFO    ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))
201 #define   SCI_YMIN_MASK      (0xffff<<16)
202 #define   SCI_XMIN_MASK      (0xffff<<0)
203 #define   SCI_YMAX_MASK      (0xffff<<16)
204 #define   SCI_XMAX_MASK      (0xffff<<0)
205 #define GFX_OP_SCISSOR_ENABLE	 ((0x3<<29)|(0x1c<<24)|(0x10<<19))
206 #define GFX_OP_SCISSOR_RECT	 ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1)
207 #define GFX_OP_COLOR_FACTOR      ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)
208 #define GFX_OP_STIPPLE           ((0x3<<29)|(0x1d<<24)|(0x83<<16))
209 #define GFX_OP_MAP_INFO          ((0x3<<29)|(0x1d<<24)|0x4)
210 #define GFX_OP_DESTBUFFER_VARS   ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
211 #define GFX_OP_DESTBUFFER_INFO	 ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
212 #define GFX_OP_DRAWRECT_INFO     ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
213 #define GFX_OP_DRAWRECT_INFO_I965  ((0x7900<<16)|0x2)
214 #define SRC_COPY_BLT_CMD                ((2<<29)|(0x43<<22)|4)
215 #define XY_SRC_COPY_BLT_CMD		((2<<29)|(0x53<<22)|6)
216 #define XY_MONO_SRC_COPY_IMM_BLT	((2<<29)|(0x71<<22)|5)
217 #define XY_SRC_COPY_BLT_WRITE_ALPHA	(1<<21)
218 #define XY_SRC_COPY_BLT_WRITE_RGB	(1<<20)
219 #define   BLT_DEPTH_8			(0<<24)
220 #define   BLT_DEPTH_16_565		(1<<24)
221 #define   BLT_DEPTH_16_1555		(2<<24)
222 #define   BLT_DEPTH_32			(3<<24)
223 #define   BLT_ROP_GXCOPY		(0xcc<<16)
224 #define XY_SRC_COPY_BLT_SRC_TILED	(1<<15) /* 965+ only */
225 #define XY_SRC_COPY_BLT_DST_TILED	(1<<11) /* 965+ only */
226 #define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2)
227 #define   ASYNC_FLIP                (1<<22)
228 #define   DISPLAY_PLANE_A           (0<<20)
229 #define   DISPLAY_PLANE_B           (1<<20)
230 #define GFX_OP_PIPE_CONTROL	((0x3<<29)|(0x3<<27)|(0x2<<24)|2)
231 #define   PIPE_CONTROL_QW_WRITE	(1<<14)
232 #define   PIPE_CONTROL_DEPTH_STALL (1<<13)
233 #define   PIPE_CONTROL_WC_FLUSH	(1<<12)
234 #define   PIPE_CONTROL_IS_FLUSH	(1<<11) /* MBZ on Ironlake */
235 #define   PIPE_CONTROL_TC_FLUSH (1<<10) /* GM45+ only */
236 #define   PIPE_CONTROL_ISP_DIS	(1<<9)
237 #define   PIPE_CONTROL_NOTIFY	(1<<8)
238 #define   PIPE_CONTROL_GLOBAL_GTT (1<<2) /* in addr dword */
239 #define   PIPE_CONTROL_STALL_EN	(1<<1) /* in addr word, Ironlake+ only */
240 
241 
242 /*
243  * Reset registers
244  */
245 #define DEBUG_RESET_I830		0x6070
246 #define  DEBUG_RESET_FULL		(1<<7)
247 #define  DEBUG_RESET_RENDER		(1<<8)
248 #define  DEBUG_RESET_DISPLAY		(1<<9)
249 
250 
251 /*
252  * Fence registers
253  */
254 #define FENCE_REG_830_0			0x2000
255 #define FENCE_REG_945_8			0x3000
256 #define   I830_FENCE_START_MASK		0x07f80000
257 #define   I830_FENCE_TILING_Y_SHIFT	12
258 #define   I830_FENCE_SIZE_BITS(size)	((ffs((size) >> 19) - 1) << 8)
259 #define   I830_FENCE_PITCH_SHIFT	4
260 #define   I830_FENCE_REG_VALID		(1<<0)
261 #define   I915_FENCE_MAX_PITCH_VAL	4
262 #define   I830_FENCE_MAX_PITCH_VAL	6
263 #define   I830_FENCE_MAX_SIZE_VAL	(1<<8)
264 
265 #define   I915_FENCE_START_MASK		0x0ff00000
266 #define   I915_FENCE_SIZE_BITS(size)	((ffs((size) >> 20) - 1) << 8)
267 
268 #define FENCE_REG_965_0			0x03000
269 #define   I965_FENCE_PITCH_SHIFT	2
270 #define   I965_FENCE_TILING_Y_SHIFT	1
271 #define   I965_FENCE_REG_VALID		(1<<0)
272 #define   I965_FENCE_MAX_PITCH_VAL	0x0400
273 
274 #define FENCE_REG_SANDYBRIDGE_0		0x100000
275 #define   SANDYBRIDGE_FENCE_PITCH_SHIFT	32
276 
277 /*
278  * Instruction and interrupt control regs
279  */
280 #define PGTBL_ER	0x02024
281 #define RENDER_RING_BASE	0x02000
282 #define BSD_RING_BASE		0x04000
283 #define GEN6_BSD_RING_BASE	0x12000
284 #define BLT_RING_BASE		0x22000
285 #define RING_TAIL(base)		((base)+0x30)
286 #define RING_HEAD(base)		((base)+0x34)
287 #define RING_START(base)	((base)+0x38)
288 #define RING_CTL(base)		((base)+0x3c)
289 #define RING_SYNC_0(base)	((base)+0x40)
290 #define RING_SYNC_1(base)	((base)+0x44)
291 #define RING_MAX_IDLE(base)	((base)+0x54)
292 #define RING_HWS_PGA(base)	((base)+0x80)
293 #define RING_HWS_PGA_GEN6(base)	((base)+0x2080)
294 #define RING_ACTHD(base)	((base)+0x74)
295 #define RING_NOPID(base)	((base)+0x94)
296 #define RING_IMR(base)		((base)+0xa8)
297 #define   TAIL_ADDR		0x001FFFF8
298 #define   HEAD_WRAP_COUNT	0xFFE00000
299 #define   HEAD_WRAP_ONE		0x00200000
300 #define   HEAD_ADDR		0x001FFFFC
301 #define   RING_NR_PAGES		0x001FF000
302 #define   RING_REPORT_MASK	0x00000006
303 #define   RING_REPORT_64K	0x00000002
304 #define   RING_REPORT_128K	0x00000004
305 #define   RING_NO_REPORT	0x00000000
306 #define   RING_VALID_MASK	0x00000001
307 #define   RING_VALID		0x00000001
308 #define   RING_INVALID		0x00000000
309 #define   RING_WAIT_I8XX	(1<<0) /* gen2, PRBx_HEAD */
310 #define   RING_WAIT		(1<<11) /* gen3+, PRBx_CTL */
311 #define   RING_WAIT_SEMAPHORE	(1<<10) /* gen6+ */
312 #if 0
313 #define PRB0_TAIL	0x02030
314 #define PRB0_HEAD	0x02034
315 #define PRB0_START	0x02038
316 #define PRB0_CTL	0x0203c
317 #define PRB1_TAIL	0x02040 /* 915+ only */
318 #define PRB1_HEAD	0x02044 /* 915+ only */
319 #define PRB1_START	0x02048 /* 915+ only */
320 #define PRB1_CTL	0x0204c /* 915+ only */
321 #endif
322 #define IPEIR_I965	0x02064
323 #define IPEHR_I965	0x02068
324 #define INSTDONE_I965	0x0206c
325 #define INSTPS		0x02070 /* 965+ only */
326 #define INSTDONE1	0x0207c /* 965+ only */
327 #define ACTHD_I965	0x02074
328 #define HWS_PGA		0x02080
329 #define HWS_ADDRESS_MASK	0xfffff000
330 #define HWS_START_ADDRESS_SHIFT	4
331 #define PWRCTXA		0x2088 /* 965GM+ only */
332 #define   PWRCTX_EN	(1<<0)
333 #define IPEIR		0x02088
334 #define IPEHR		0x0208c
335 #define INSTDONE	0x02090
336 #define NOPID		0x02094
337 #define HWSTAM		0x02098
338 #define VCS_INSTDONE	0x1206C
339 #define VCS_IPEIR	0x12064
340 #define VCS_IPEHR	0x12068
341 #define VCS_ACTHD	0x12074
342 #define BCS_INSTDONE	0x2206C
343 #define BCS_IPEIR	0x22064
344 #define BCS_IPEHR	0x22068
345 #define BCS_ACTHD	0x22074
346 
347 #define ERROR_GEN6	0x040a0
348 
349 /* GM45+ chicken bits -- debug workaround bits that may be required
350  * for various sorts of correct behavior.  The top 16 bits of each are
351  * the enables for writing to the corresponding low bit.
352  */
353 #define _3D_CHICKEN	0x02084
354 #define _3D_CHICKEN2	0x0208c
355 /* Disables pipelining of read flushes past the SF-WIZ interface.
356  * Required on all Ironlake steppings according to the B-Spec, but the
357  * particular danger of not doing so is not specified.
358  */
359 # define _3D_CHICKEN2_WM_READ_PIPELINED			(1 << 14)
360 #define _3D_CHICKEN3	0x02090
361 
362 #define MI_MODE		0x0209c
363 # define VS_TIMER_DISPATCH				(1 << 6)
364 # define MI_FLUSH_ENABLE				(1 << 11)
365 
366 #define GFX_MODE	0x02520
367 #define   GFX_RUN_LIST_ENABLE		(1<<15)
368 #define   GFX_TLB_INVALIDATE_ALWAYS	(1<<13)
369 #define   GFX_SURFACE_FAULT_ENABLE	(1<<12)
370 #define   GFX_REPLAY_MODE		(1<<11)
371 #define   GFX_PSMI_GRANULARITY		(1<<10)
372 #define   GFX_PPGTT_ENABLE		(1<<9)
373 
374 #define SCPD0		0x0209c /* 915+ only */
375 #define IER		0x020a0
376 #define IIR		0x020a4
377 #define IMR		0x020a8
378 #define ISR		0x020ac
379 #define   I915_PIPE_CONTROL_NOTIFY_INTERRUPT		(1<<18)
380 #define   I915_DISPLAY_PORT_INTERRUPT			(1<<17)
381 #define   I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT	(1<<15)
382 #define   I915_GMCH_THERMAL_SENSOR_EVENT_INTERRUPT	(1<<14) /* p-state */
383 #define   I915_HWB_OOM_INTERRUPT			(1<<13)
384 #define   I915_SYNC_STATUS_INTERRUPT			(1<<12)
385 #define   I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT	(1<<11)
386 #define   I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT	(1<<10)
387 #define   I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT	(1<<9)
388 #define   I915_DISPLAY_PLANE_C_FLIP_PENDING_INTERRUPT	(1<<8)
389 #define   I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT		(1<<7)
390 #define   I915_DISPLAY_PIPE_A_EVENT_INTERRUPT		(1<<6)
391 #define   I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT		(1<<5)
392 #define   I915_DISPLAY_PIPE_B_EVENT_INTERRUPT		(1<<4)
393 #define   I915_DEBUG_INTERRUPT				(1<<2)
394 #define   I915_USER_INTERRUPT				(1<<1)
395 #define   I915_ASLE_INTERRUPT				(1<<0)
396 #define   I915_BSD_USER_INTERRUPT                      (1<<25)
397 #define EIR		0x020b0
398 #define EMR		0x020b4
399 #define ESR		0x020b8
400 #define   GM45_ERROR_PAGE_TABLE				(1<<5)
401 #define   GM45_ERROR_MEM_PRIV				(1<<4)
402 #define   I915_ERROR_PAGE_TABLE				(1<<4)
403 #define   GM45_ERROR_CP_PRIV				(1<<3)
404 #define   I915_ERROR_MEMORY_REFRESH			(1<<1)
405 #define   I915_ERROR_INSTRUCTION			(1<<0)
406 #define INSTPM	        0x020c0
407 #define   INSTPM_SELF_EN (1<<12) /* 915GM only */
408 #define ACTHD	        0x020c8
409 #define FW_BLC		0x020d8
410 #define FW_BLC2	 	0x020dc
411 #define FW_BLC_SELF	0x020e0 /* 915+ only */
412 #define   FW_BLC_SELF_EN_MASK      (1<<31)
413 #define   FW_BLC_SELF_FIFO_MASK    (1<<16) /* 945 only */
414 #define   FW_BLC_SELF_EN           (1<<15) /* 945 only */
415 #define MM_BURST_LENGTH     0x00700000
416 #define MM_FIFO_WATERMARK   0x0001F000
417 #define LM_BURST_LENGTH     0x00000700
418 #define LM_FIFO_WATERMARK   0x0000001F
419 #define MI_ARB_STATE	0x020e4 /* 915+ only */
420 #define   MI_ARB_MASK_SHIFT	  16	/* shift for enable bits */
421 
422 /* Make render/texture TLB fetches lower priorty than associated data
423  *   fetches. This is not turned on by default
424  */
425 #define   MI_ARB_RENDER_TLB_LOW_PRIORITY	(1 << 15)
426 
427 /* Isoch request wait on GTT enable (Display A/B/C streams).
428  * Make isoch requests stall on the TLB update. May cause
429  * display underruns (test mode only)
430  */
431 #define   MI_ARB_ISOCH_WAIT_GTT			(1 << 14)
432 
433 /* Block grant count for isoch requests when block count is
434  * set to a finite value.
435  */
436 #define   MI_ARB_BLOCK_GRANT_MASK		(3 << 12)
437 #define   MI_ARB_BLOCK_GRANT_8			(0 << 12)	/* for 3 display planes */
438 #define   MI_ARB_BLOCK_GRANT_4			(1 << 12)	/* for 2 display planes */
439 #define   MI_ARB_BLOCK_GRANT_2			(2 << 12)	/* for 1 display plane */
440 #define   MI_ARB_BLOCK_GRANT_0			(3 << 12)	/* don't use */
441 
442 /* Enable render writes to complete in C2/C3/C4 power states.
443  * If this isn't enabled, render writes are prevented in low
444  * power states. That seems bad to me.
445  */
446 #define   MI_ARB_C3_LP_WRITE_ENABLE		(1 << 11)
447 
448 /* This acknowledges an async flip immediately instead
449  * of waiting for 2TLB fetches.
450  */
451 #define   MI_ARB_ASYNC_FLIP_ACK_IMMEDIATE	(1 << 10)
452 
453 /* Enables non-sequential data reads through arbiter
454  */
455 #define   MI_ARB_DUAL_DATA_PHASE_DISABLE       	(1 << 9)
456 
457 /* Disable FSB snooping of cacheable write cycles from binner/render
458  * command stream
459  */
460 #define   MI_ARB_CACHE_SNOOP_DISABLE		(1 << 8)
461 
462 /* Arbiter time slice for non-isoch streams */
463 #define   MI_ARB_TIME_SLICE_MASK		(7 << 5)
464 #define   MI_ARB_TIME_SLICE_1			(0 << 5)
465 #define   MI_ARB_TIME_SLICE_2			(1 << 5)
466 #define   MI_ARB_TIME_SLICE_4			(2 << 5)
467 #define   MI_ARB_TIME_SLICE_6			(3 << 5)
468 #define   MI_ARB_TIME_SLICE_8			(4 << 5)
469 #define   MI_ARB_TIME_SLICE_10			(5 << 5)
470 #define   MI_ARB_TIME_SLICE_14			(6 << 5)
471 #define   MI_ARB_TIME_SLICE_16			(7 << 5)
472 
473 /* Low priority grace period page size */
474 #define   MI_ARB_LOW_PRIORITY_GRACE_4KB		(0 << 4)	/* default */
475 #define   MI_ARB_LOW_PRIORITY_GRACE_8KB		(1 << 4)
476 
477 /* Disable display A/B trickle feed */
478 #define   MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE	(1 << 2)
479 
480 /* Set display plane priority */
481 #define   MI_ARB_DISPLAY_PRIORITY_A_B		(0 << 0)	/* display A > display B */
482 #define   MI_ARB_DISPLAY_PRIORITY_B_A		(1 << 0)	/* display B > display A */
483 
484 #define CACHE_MODE_0	0x02120 /* 915+ only */
485 #define   CM0_MASK_SHIFT          16
486 #define   CM0_IZ_OPT_DISABLE      (1<<6)
487 #define   CM0_ZR_OPT_DISABLE      (1<<5)
488 #define   CM0_DEPTH_EVICT_DISABLE (1<<4)
489 #define   CM0_COLOR_EVICT_DISABLE (1<<3)
490 #define   CM0_DEPTH_WRITE_DISABLE (1<<1)
491 #define   CM0_RC_OP_FLUSH_DISABLE (1<<0)
492 #define BB_ADDR		0x02140 /* 8 bytes */
493 #define GFX_FLSH_CNTL	0x02170 /* 915+ only */
494 #define ECOSKPD		0x021d0
495 #define   ECO_GATING_CX_ONLY	(1<<3)
496 #define   ECO_FLIP_DONE		(1<<0)
497 
498 /* GEN6 interrupt control */
499 #define GEN6_RENDER_HWSTAM	0x2098
500 #define GEN6_RENDER_IMR		0x20a8
501 #define   GEN6_RENDER_CONTEXT_SWITCH_INTERRUPT		(1 << 8)
502 #define   GEN6_RENDER_PPGTT_PAGE_FAULT			(1 << 7)
503 #define   GEN6_RENDER_TIMEOUT_COUNTER_EXPIRED		(1 << 6)
504 #define   GEN6_RENDER_L3_PARITY_ERROR			(1 << 5)
505 #define   GEN6_RENDER_PIPE_CONTROL_NOTIFY_INTERRUPT	(1 << 4)
506 #define   GEN6_RENDER_COMMAND_PARSER_MASTER_ERROR	(1 << 3)
507 #define   GEN6_RENDER_SYNC_STATUS			(1 << 2)
508 #define   GEN6_RENDER_DEBUG_INTERRUPT			(1 << 1)
509 #define   GEN6_RENDER_USER_INTERRUPT			(1 << 0)
510 
511 #define GEN6_BLITTER_HWSTAM	0x22098
512 #define GEN6_BLITTER_IMR	0x220a8
513 #define   GEN6_BLITTER_MI_FLUSH_DW_NOTIFY_INTERRUPT	(1 << 26)
514 #define   GEN6_BLITTER_COMMAND_PARSER_MASTER_ERROR	(1 << 25)
515 #define   GEN6_BLITTER_SYNC_STATUS			(1 << 24)
516 #define   GEN6_BLITTER_USER_INTERRUPT			(1 << 22)
517 
518 #define GEN6_BLITTER_ECOSKPD	0x221d0
519 #define   GEN6_BLITTER_LOCK_SHIFT			16
520 #define   GEN6_BLITTER_FBC_NOTIFY			(1<<3)
521 
522 #define GEN6_BSD_SLEEP_PSMI_CONTROL	0x12050
523 #define   GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_MODIFY_MASK	(1 << 16)
524 #define   GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_DISABLE		(1 << 0)
525 #define   GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_ENABLE		0
526 #define   GEN6_BSD_SLEEP_PSMI_CONTROL_IDLE_INDICATOR			(1 << 3)
527 
528 #define GEN6_BSD_IMR			0x120a8
529 #define   GEN6_BSD_USER_INTERRUPT	(1 << 12)
530 
531 #define GEN6_BSD_RNCID			0x12198
532 
533 /*
534  * Framebuffer compression (915+ only)
535  */
536 
537 #define FBC_CFB_BASE		0x03200 /* 4k page aligned */
538 #define FBC_LL_BASE		0x03204 /* 4k page aligned */
539 #define FBC_CONTROL		0x03208
540 #define   FBC_CTL_EN		(1<<31)
541 #define   FBC_CTL_PERIODIC	(1<<30)
542 #define   FBC_CTL_INTERVAL_SHIFT (16)
543 #define   FBC_CTL_UNCOMPRESSIBLE (1<<14)
544 #define   FBC_CTL_C3_IDLE	(1<<13)
545 #define   FBC_CTL_STRIDE_SHIFT	(5)
546 #define   FBC_CTL_FENCENO	(1<<0)
547 #define FBC_COMMAND		0x0320c
548 #define   FBC_CMD_COMPRESS	(1<<0)
549 #define FBC_STATUS		0x03210
550 #define   FBC_STAT_COMPRESSING	(1<<31)
551 #define   FBC_STAT_COMPRESSED	(1<<30)
552 #define   FBC_STAT_MODIFIED	(1<<29)
553 #define   FBC_STAT_CURRENT_LINE	(1<<0)
554 #define FBC_CONTROL2		0x03214
555 #define   FBC_CTL_FENCE_DBL	(0<<4)
556 #define   FBC_CTL_IDLE_IMM	(0<<2)
557 #define   FBC_CTL_IDLE_FULL	(1<<2)
558 #define   FBC_CTL_IDLE_LINE	(2<<2)
559 #define   FBC_CTL_IDLE_DEBUG	(3<<2)
560 #define   FBC_CTL_CPU_FENCE	(1<<1)
561 #define   FBC_CTL_PLANEA	(0<<0)
562 #define   FBC_CTL_PLANEB	(1<<0)
563 #define FBC_FENCE_OFF		0x0321b
564 #define FBC_TAG			0x03300
565 
566 #define FBC_LL_SIZE		(1536)
567 
568 /* Framebuffer compression for GM45+ */
569 #define DPFC_CB_BASE		0x3200
570 #define DPFC_CONTROL		0x3208
571 #define   DPFC_CTL_EN		(1<<31)
572 #define   DPFC_CTL_PLANEA	(0<<30)
573 #define   DPFC_CTL_PLANEB	(1<<30)
574 #define   DPFC_CTL_FENCE_EN	(1<<29)
575 #define   DPFC_SR_EN		(1<<10)
576 #define   DPFC_CTL_LIMIT_1X	(0<<6)
577 #define   DPFC_CTL_LIMIT_2X	(1<<6)
578 #define   DPFC_CTL_LIMIT_4X	(2<<6)
579 #define DPFC_RECOMP_CTL		0x320c
580 #define   DPFC_RECOMP_STALL_EN	(1<<27)
581 #define   DPFC_RECOMP_STALL_WM_SHIFT (16)
582 #define   DPFC_RECOMP_STALL_WM_MASK (0x07ff0000)
583 #define   DPFC_RECOMP_TIMER_COUNT_SHIFT (0)
584 #define   DPFC_RECOMP_TIMER_COUNT_MASK (0x0000003f)
585 #define DPFC_STATUS		0x3210
586 #define   DPFC_INVAL_SEG_SHIFT  (16)
587 #define   DPFC_INVAL_SEG_MASK	(0x07ff0000)
588 #define   DPFC_COMP_SEG_SHIFT	(0)
589 #define   DPFC_COMP_SEG_MASK	(0x000003ff)
590 #define DPFC_STATUS2		0x3214
591 #define DPFC_FENCE_YOFF		0x3218
592 #define DPFC_CHICKEN		0x3224
593 #define   DPFC_HT_MODIFY	(1<<31)
594 
595 /* Framebuffer compression for Ironlake */
596 #define ILK_DPFC_CB_BASE	0x43200
597 #define ILK_DPFC_CONTROL	0x43208
598 /* The bit 28-8 is reserved */
599 #define   DPFC_RESERVED		(0x1FFFFF00)
600 #define ILK_DPFC_RECOMP_CTL	0x4320c
601 #define ILK_DPFC_STATUS		0x43210
602 #define ILK_DPFC_FENCE_YOFF	0x43218
603 #define ILK_DPFC_CHICKEN	0x43224
604 #define ILK_FBC_RT_BASE		0x2128
605 #define   ILK_FBC_RT_VALID	(1<<0)
606 
607 #define ILK_DISPLAY_CHICKEN1	0x42000
608 #define   ILK_FBCQ_DIS		(1<<22)
609 #define   ILK_PABSTRETCH_DIS 	(1<<21)
610 
611 
612 /*
613  * Framebuffer compression for Sandybridge
614  *
615  * The following two registers are of type GTTMMADR
616  */
617 #define SNB_DPFC_CTL_SA		0x100100
618 #define   SNB_CPU_FENCE_ENABLE	(1<<29)
619 #define DPFC_CPU_FENCE_OFFSET	0x100104
620 
621 
622 /*
623  * GPIO regs
624  */
625 #define GPIOA			0x5010
626 #define GPIOB			0x5014
627 #define GPIOC			0x5018
628 #define GPIOD			0x501c
629 #define GPIOE			0x5020
630 #define GPIOF			0x5024
631 #define GPIOG			0x5028
632 #define GPIOH			0x502c
633 # define GPIO_CLOCK_DIR_MASK		(1 << 0)
634 # define GPIO_CLOCK_DIR_IN		(0 << 1)
635 # define GPIO_CLOCK_DIR_OUT		(1 << 1)
636 # define GPIO_CLOCK_VAL_MASK		(1 << 2)
637 # define GPIO_CLOCK_VAL_OUT		(1 << 3)
638 # define GPIO_CLOCK_VAL_IN		(1 << 4)
639 # define GPIO_CLOCK_PULLUP_DISABLE	(1 << 5)
640 # define GPIO_DATA_DIR_MASK		(1 << 8)
641 # define GPIO_DATA_DIR_IN		(0 << 9)
642 # define GPIO_DATA_DIR_OUT		(1 << 9)
643 # define GPIO_DATA_VAL_MASK		(1 << 10)
644 # define GPIO_DATA_VAL_OUT		(1 << 11)
645 # define GPIO_DATA_VAL_IN		(1 << 12)
646 # define GPIO_DATA_PULLUP_DISABLE	(1 << 13)
647 
648 #define GMBUS0			0x5100 /* clock/port select */
649 #define   GMBUS_RATE_100KHZ	(0<<8)
650 #define   GMBUS_RATE_50KHZ	(1<<8)
651 #define   GMBUS_RATE_400KHZ	(2<<8) /* reserved on Pineview */
652 #define   GMBUS_RATE_1MHZ	(3<<8) /* reserved on Pineview */
653 #define   GMBUS_HOLD_EXT	(1<<7) /* 300ns hold time, rsvd on Pineview */
654 #define   GMBUS_PORT_DISABLED	0
655 #define   GMBUS_PORT_SSC	1
656 #define   GMBUS_PORT_VGADDC	2
657 #define   GMBUS_PORT_PANEL	3
658 #define   GMBUS_PORT_DPC	4 /* HDMIC */
659 #define   GMBUS_PORT_DPB	5 /* SDVO, HDMIB */
660 				  /* 6 reserved */
661 #define   GMBUS_PORT_DPD	7 /* HDMID */
662 #define   GMBUS_NUM_PORTS       8
663 #define GMBUS1			0x5104 /* command/status */
664 #define   GMBUS_SW_CLR_INT	(1<<31)
665 #define   GMBUS_SW_RDY		(1<<30)
666 #define   GMBUS_ENT		(1<<29) /* enable timeout */
667 #define   GMBUS_CYCLE_NONE	(0<<25)
668 #define   GMBUS_CYCLE_WAIT	(1<<25)
669 #define   GMBUS_CYCLE_INDEX	(2<<25)
670 #define   GMBUS_CYCLE_STOP	(4<<25)
671 #define   GMBUS_BYTE_COUNT_SHIFT 16
672 #define   GMBUS_SLAVE_INDEX_SHIFT 8
673 #define   GMBUS_SLAVE_ADDR_SHIFT 1
674 #define   GMBUS_SLAVE_READ	(1<<0)
675 #define   GMBUS_SLAVE_WRITE	(0<<0)
676 #define GMBUS2			0x5108 /* status */
677 #define   GMBUS_INUSE		(1<<15)
678 #define   GMBUS_HW_WAIT_PHASE	(1<<14)
679 #define   GMBUS_STALL_TIMEOUT	(1<<13)
680 #define   GMBUS_INT		(1<<12)
681 #define   GMBUS_HW_RDY		(1<<11)
682 #define   GMBUS_SATOER		(1<<10)
683 #define   GMBUS_ACTIVE		(1<<9)
684 #define GMBUS3			0x510c /* data buffer bytes 3-0 */
685 #define GMBUS4			0x5110 /* interrupt mask (Pineview+) */
686 #define   GMBUS_SLAVE_TIMEOUT_EN (1<<4)
687 #define   GMBUS_NAK_EN		(1<<3)
688 #define   GMBUS_IDLE_EN		(1<<2)
689 #define   GMBUS_HW_WAIT_EN	(1<<1)
690 #define   GMBUS_HW_RDY_EN	(1<<0)
691 #define GMBUS5			0x5120 /* byte index */
692 #define   GMBUS_2BYTE_INDEX_EN	(1<<31)
693 
694 /*
695  * Clock control & power management
696  */
697 
698 #define VGA0	0x6000
699 #define VGA1	0x6004
700 #define VGA_PD	0x6010
701 #define   VGA0_PD_P2_DIV_4	(1 << 7)
702 #define   VGA0_PD_P1_DIV_2	(1 << 5)
703 #define   VGA0_PD_P1_SHIFT	0
704 #define   VGA0_PD_P1_MASK	(0x1f << 0)
705 #define   VGA1_PD_P2_DIV_4	(1 << 15)
706 #define   VGA1_PD_P1_DIV_2	(1 << 13)
707 #define   VGA1_PD_P1_SHIFT	8
708 #define   VGA1_PD_P1_MASK	(0x1f << 8)
709 #define DPLL_A	0x06014
710 #define DPLL_B	0x06018
711 #define DPLL(pipe) _PIPE(pipe, DPLL_A, DPLL_B)
712 #define   DPLL_VCO_ENABLE		(1 << 31)
713 #define   DPLL_DVO_HIGH_SPEED		(1 << 30)
714 #define   DPLL_SYNCLOCK_ENABLE		(1 << 29)
715 #define   DPLL_VGA_MODE_DIS		(1 << 28)
716 #define   DPLLB_MODE_DAC_SERIAL		(1 << 26) /* i915 */
717 #define   DPLLB_MODE_LVDS		(2 << 26) /* i915 */
718 #define   DPLL_MODE_MASK		(3 << 26)
719 #define   DPLL_DAC_SERIAL_P2_CLOCK_DIV_10 (0 << 24) /* i915 */
720 #define   DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 (1 << 24) /* i915 */
721 #define   DPLLB_LVDS_P2_CLOCK_DIV_14	(0 << 24) /* i915 */
722 #define   DPLLB_LVDS_P2_CLOCK_DIV_7	(1 << 24) /* i915 */
723 #define   DPLL_P2_CLOCK_DIV_MASK	0x03000000 /* i915 */
724 #define   DPLL_FPA01_P1_POST_DIV_MASK	0x00ff0000 /* i915 */
725 #define   DPLL_FPA01_P1_POST_DIV_MASK_PINEVIEW	0x00ff8000 /* Pineview */
726 
727 #define SRX_INDEX		0x3c4
728 #define SRX_DATA		0x3c5
729 #define SR01			1
730 #define SR01_SCREEN_OFF		(1<<5)
731 
732 #define PPCR			0x61204
733 #define PPCR_ON			(1<<0)
734 
735 #define DVOB			0x61140
736 #define DVOB_ON			(1<<31)
737 #define DVOC			0x61160
738 #define DVOC_ON			(1<<31)
739 #define LVDS			0x61180
740 #define LVDS_ON			(1<<31)
741 
742 /* Scratch pad debug 0 reg:
743  */
744 #define   DPLL_FPA01_P1_POST_DIV_MASK_I830	0x001f0000
745 /*
746  * The i830 generation, in LVDS mode, defines P1 as the bit number set within
747  * this field (only one bit may be set).
748  */
749 #define   DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS	0x003f0000
750 #define   DPLL_FPA01_P1_POST_DIV_SHIFT	16
751 #define   DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW 15
752 /* i830, required in DVO non-gang */
753 #define   PLL_P2_DIVIDE_BY_4		(1 << 23)
754 #define   PLL_P1_DIVIDE_BY_TWO		(1 << 21) /* i830 */
755 #define   PLL_REF_INPUT_DREFCLK		(0 << 13)
756 #define   PLL_REF_INPUT_TVCLKINA	(1 << 13) /* i830 */
757 #define   PLL_REF_INPUT_TVCLKINBC	(2 << 13) /* SDVO TVCLKIN */
758 #define   PLLB_REF_INPUT_SPREADSPECTRUMIN (3 << 13)
759 #define   PLL_REF_INPUT_MASK		(3 << 13)
760 #define   PLL_LOAD_PULSE_PHASE_SHIFT		9
761 /* Ironlake */
762 # define PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT     9
763 # define PLL_REF_SDVO_HDMI_MULTIPLIER_MASK      (7 << 9)
764 # define PLL_REF_SDVO_HDMI_MULTIPLIER(x)	(((x)-1) << 9)
765 # define DPLL_FPA1_P1_POST_DIV_SHIFT            0
766 # define DPLL_FPA1_P1_POST_DIV_MASK             0xff
767 
768 /*
769  * Parallel to Serial Load Pulse phase selection.
770  * Selects the phase for the 10X DPLL clock for the PCIe
771  * digital display port. The range is 4 to 13; 10 or more
772  * is just a flip delay. The default is 6
773  */
774 #define   PLL_LOAD_PULSE_PHASE_MASK		(0xf << PLL_LOAD_PULSE_PHASE_SHIFT)
775 #define   DISPLAY_RATE_SELECT_FPA1		(1 << 8)
776 /*
777  * SDVO multiplier for 945G/GM. Not used on 965.
778  */
779 #define   SDVO_MULTIPLIER_MASK			0x000000ff
780 #define   SDVO_MULTIPLIER_SHIFT_HIRES		4
781 #define   SDVO_MULTIPLIER_SHIFT_VGA		0
782 #define DPLL_A_MD 0x0601c /* 965+ only */
783 /*
784  * UDI pixel divider, controlling how many pixels are stuffed into a packet.
785  *
786  * Value is pixels minus 1.  Must be set to 1 pixel for SDVO.
787  */
788 #define   DPLL_MD_UDI_DIVIDER_MASK		0x3f000000
789 #define   DPLL_MD_UDI_DIVIDER_SHIFT		24
790 /* UDI pixel divider for VGA, same as DPLL_MD_UDI_DIVIDER_MASK. */
791 #define   DPLL_MD_VGA_UDI_DIVIDER_MASK		0x003f0000
792 #define   DPLL_MD_VGA_UDI_DIVIDER_SHIFT		16
793 /*
794  * SDVO/UDI pixel multiplier.
795  *
796  * SDVO requires that the bus clock rate be between 1 and 2 Ghz, and the bus
797  * clock rate is 10 times the DPLL clock.  At low resolution/refresh rate
798  * modes, the bus rate would be below the limits, so SDVO allows for stuffing
799  * dummy bytes in the datastream at an increased clock rate, with both sides of
800  * the link knowing how many bytes are fill.
801  *
802  * So, for a mode with a dotclock of 65Mhz, we would want to double the clock
803  * rate to 130Mhz to get a bus rate of 1.30Ghz.  The DPLL clock rate would be
804  * set to 130Mhz, and the SDVO multiplier set to 2x in this register and
805  * through an SDVO command.
806  *
807  * This register field has values of multiplication factor minus 1, with
808  * a maximum multiplier of 5 for SDVO.
809  */
810 #define   DPLL_MD_UDI_MULTIPLIER_MASK		0x00003f00
811 #define   DPLL_MD_UDI_MULTIPLIER_SHIFT		8
812 /*
813  * SDVO/UDI pixel multiplier for VGA, same as DPLL_MD_UDI_MULTIPLIER_MASK.
814  * This best be set to the default value (3) or the CRT won't work. No,
815  * I don't entirely understand what this does...
816  */
817 #define   DPLL_MD_VGA_UDI_MULTIPLIER_MASK	0x0000003f
818 #define   DPLL_MD_VGA_UDI_MULTIPLIER_SHIFT	0
819 #define DPLL_B_MD 0x06020 /* 965+ only */
820 #define DPLL_MD(pipe) _PIPE(pipe, DPLL_A_MD, DPLL_B_MD)
821 #define FPA0	0x06040
822 #define FPA1	0x06044
823 #define FPB0	0x06048
824 #define FPB1	0x0604c
825 #define FP0(pipe) _PIPE(pipe, FPA0, FPB0)
826 #define FP1(pipe) _PIPE(pipe, FPA1, FPB1)
827 #define   FP_N_DIV_MASK		0x003f0000
828 #define   FP_N_PINEVIEW_DIV_MASK	0x00ff0000
829 #define   FP_N_DIV_SHIFT		16
830 #define   FP_M1_DIV_MASK	0x00003f00
831 #define   FP_M1_DIV_SHIFT		 8
832 #define   FP_M2_DIV_MASK	0x0000003f
833 #define   FP_M2_PINEVIEW_DIV_MASK	0x000000ff
834 #define   FP_M2_DIV_SHIFT		 0
835 #define DPLL_TEST	0x606c
836 #define   DPLLB_TEST_SDVO_DIV_1		(0 << 22)
837 #define   DPLLB_TEST_SDVO_DIV_2		(1 << 22)
838 #define   DPLLB_TEST_SDVO_DIV_4		(2 << 22)
839 #define   DPLLB_TEST_SDVO_DIV_MASK	(3 << 22)
840 #define   DPLLB_TEST_N_BYPASS		(1 << 19)
841 #define   DPLLB_TEST_M_BYPASS		(1 << 18)
842 #define   DPLLB_INPUT_BUFFER_ENABLE	(1 << 16)
843 #define   DPLLA_TEST_N_BYPASS		(1 << 3)
844 #define   DPLLA_TEST_M_BYPASS		(1 << 2)
845 #define   DPLLA_INPUT_BUFFER_ENABLE	(1 << 0)
846 #define D_STATE		0x6104
847 #define  DSTATE_GFX_RESET_I830			(1<<6)
848 #define  DSTATE_PLL_D3_OFF			(1<<3)
849 #define  DSTATE_GFX_CLOCK_GATING		(1<<1)
850 #define  DSTATE_DOT_CLOCK_GATING		(1<<0)
851 #define DSPCLK_GATE_D		0x6200
852 # define DPUNIT_B_CLOCK_GATE_DISABLE		(1 << 30) /* 965 */
853 # define VSUNIT_CLOCK_GATE_DISABLE		(1 << 29) /* 965 */
854 # define VRHUNIT_CLOCK_GATE_DISABLE		(1 << 28) /* 965 */
855 # define VRDUNIT_CLOCK_GATE_DISABLE		(1 << 27) /* 965 */
856 # define AUDUNIT_CLOCK_GATE_DISABLE		(1 << 26) /* 965 */
857 # define DPUNIT_A_CLOCK_GATE_DISABLE		(1 << 25) /* 965 */
858 # define DPCUNIT_CLOCK_GATE_DISABLE		(1 << 24) /* 965 */
859 # define TVRUNIT_CLOCK_GATE_DISABLE		(1 << 23) /* 915-945 */
860 # define TVCUNIT_CLOCK_GATE_DISABLE		(1 << 22) /* 915-945 */
861 # define TVFUNIT_CLOCK_GATE_DISABLE		(1 << 21) /* 915-945 */
862 # define TVEUNIT_CLOCK_GATE_DISABLE		(1 << 20) /* 915-945 */
863 # define DVSUNIT_CLOCK_GATE_DISABLE		(1 << 19) /* 915-945 */
864 # define DSSUNIT_CLOCK_GATE_DISABLE		(1 << 18) /* 915-945 */
865 # define DDBUNIT_CLOCK_GATE_DISABLE		(1 << 17) /* 915-945 */
866 # define DPRUNIT_CLOCK_GATE_DISABLE		(1 << 16) /* 915-945 */
867 # define DPFUNIT_CLOCK_GATE_DISABLE		(1 << 15) /* 915-945 */
868 # define DPBMUNIT_CLOCK_GATE_DISABLE		(1 << 14) /* 915-945 */
869 # define DPLSUNIT_CLOCK_GATE_DISABLE		(1 << 13) /* 915-945 */
870 # define DPLUNIT_CLOCK_GATE_DISABLE		(1 << 12) /* 915-945 */
871 # define DPOUNIT_CLOCK_GATE_DISABLE		(1 << 11)
872 # define DPBUNIT_CLOCK_GATE_DISABLE		(1 << 10)
873 # define DCUNIT_CLOCK_GATE_DISABLE		(1 << 9)
874 # define DPUNIT_CLOCK_GATE_DISABLE		(1 << 8)
875 # define VRUNIT_CLOCK_GATE_DISABLE		(1 << 7) /* 915+: reserved */
876 # define OVHUNIT_CLOCK_GATE_DISABLE		(1 << 6) /* 830-865 */
877 # define DPIOUNIT_CLOCK_GATE_DISABLE		(1 << 6) /* 915-945 */
878 # define OVFUNIT_CLOCK_GATE_DISABLE		(1 << 5)
879 # define OVBUNIT_CLOCK_GATE_DISABLE		(1 << 4)
880 /**
881  * This bit must be set on the 830 to prevent hangs when turning off the
882  * overlay scaler.
883  */
884 # define OVRUNIT_CLOCK_GATE_DISABLE		(1 << 3)
885 # define OVCUNIT_CLOCK_GATE_DISABLE		(1 << 2)
886 # define OVUUNIT_CLOCK_GATE_DISABLE		(1 << 1)
887 # define ZVUNIT_CLOCK_GATE_DISABLE		(1 << 0) /* 830 */
888 # define OVLUNIT_CLOCK_GATE_DISABLE		(1 << 0) /* 845,865 */
889 
890 #define RENCLK_GATE_D1		0x6204
891 # define BLITTER_CLOCK_GATE_DISABLE		(1 << 13) /* 945GM only */
892 # define MPEG_CLOCK_GATE_DISABLE		(1 << 12) /* 945GM only */
893 # define PC_FE_CLOCK_GATE_DISABLE		(1 << 11)
894 # define PC_BE_CLOCK_GATE_DISABLE		(1 << 10)
895 # define WINDOWER_CLOCK_GATE_DISABLE		(1 << 9)
896 # define INTERPOLATOR_CLOCK_GATE_DISABLE	(1 << 8)
897 # define COLOR_CALCULATOR_CLOCK_GATE_DISABLE	(1 << 7)
898 # define MOTION_COMP_CLOCK_GATE_DISABLE		(1 << 6)
899 # define MAG_CLOCK_GATE_DISABLE			(1 << 5)
900 /** This bit must be unset on 855,865 */
901 # define MECI_CLOCK_GATE_DISABLE		(1 << 4)
902 # define DCMP_CLOCK_GATE_DISABLE		(1 << 3)
903 # define MEC_CLOCK_GATE_DISABLE			(1 << 2)
904 # define MECO_CLOCK_GATE_DISABLE		(1 << 1)
905 /** This bit must be set on 855,865. */
906 # define SV_CLOCK_GATE_DISABLE			(1 << 0)
907 # define I915_MPEG_CLOCK_GATE_DISABLE		(1 << 16)
908 # define I915_VLD_IP_PR_CLOCK_GATE_DISABLE	(1 << 15)
909 # define I915_MOTION_COMP_CLOCK_GATE_DISABLE	(1 << 14)
910 # define I915_BD_BF_CLOCK_GATE_DISABLE		(1 << 13)
911 # define I915_SF_SE_CLOCK_GATE_DISABLE		(1 << 12)
912 # define I915_WM_CLOCK_GATE_DISABLE		(1 << 11)
913 # define I915_IZ_CLOCK_GATE_DISABLE		(1 << 10)
914 # define I915_PI_CLOCK_GATE_DISABLE		(1 << 9)
915 # define I915_DI_CLOCK_GATE_DISABLE		(1 << 8)
916 # define I915_SH_SV_CLOCK_GATE_DISABLE		(1 << 7)
917 # define I915_PL_DG_QC_FT_CLOCK_GATE_DISABLE	(1 << 6)
918 # define I915_SC_CLOCK_GATE_DISABLE		(1 << 5)
919 # define I915_FL_CLOCK_GATE_DISABLE		(1 << 4)
920 # define I915_DM_CLOCK_GATE_DISABLE		(1 << 3)
921 # define I915_PS_CLOCK_GATE_DISABLE		(1 << 2)
922 # define I915_CC_CLOCK_GATE_DISABLE		(1 << 1)
923 # define I915_BY_CLOCK_GATE_DISABLE		(1 << 0)
924 
925 # define I965_RCZ_CLOCK_GATE_DISABLE		(1 << 30)
926 /** This bit must always be set on 965G/965GM */
927 # define I965_RCC_CLOCK_GATE_DISABLE		(1 << 29)
928 # define I965_RCPB_CLOCK_GATE_DISABLE		(1 << 28)
929 # define I965_DAP_CLOCK_GATE_DISABLE		(1 << 27)
930 # define I965_ROC_CLOCK_GATE_DISABLE		(1 << 26)
931 # define I965_GW_CLOCK_GATE_DISABLE		(1 << 25)
932 # define I965_TD_CLOCK_GATE_DISABLE		(1 << 24)
933 /** This bit must always be set on 965G */
934 # define I965_ISC_CLOCK_GATE_DISABLE		(1 << 23)
935 # define I965_IC_CLOCK_GATE_DISABLE		(1 << 22)
936 # define I965_EU_CLOCK_GATE_DISABLE		(1 << 21)
937 # define I965_IF_CLOCK_GATE_DISABLE		(1 << 20)
938 # define I965_TC_CLOCK_GATE_DISABLE		(1 << 19)
939 # define I965_SO_CLOCK_GATE_DISABLE		(1 << 17)
940 # define I965_FBC_CLOCK_GATE_DISABLE		(1 << 16)
941 # define I965_MARI_CLOCK_GATE_DISABLE		(1 << 15)
942 # define I965_MASF_CLOCK_GATE_DISABLE		(1 << 14)
943 # define I965_MAWB_CLOCK_GATE_DISABLE		(1 << 13)
944 # define I965_EM_CLOCK_GATE_DISABLE		(1 << 12)
945 # define I965_UC_CLOCK_GATE_DISABLE		(1 << 11)
946 # define I965_SI_CLOCK_GATE_DISABLE		(1 << 6)
947 # define I965_MT_CLOCK_GATE_DISABLE		(1 << 5)
948 # define I965_PL_CLOCK_GATE_DISABLE		(1 << 4)
949 # define I965_DG_CLOCK_GATE_DISABLE		(1 << 3)
950 # define I965_QC_CLOCK_GATE_DISABLE		(1 << 2)
951 # define I965_FT_CLOCK_GATE_DISABLE		(1 << 1)
952 # define I965_DM_CLOCK_GATE_DISABLE		(1 << 0)
953 
954 #define RENCLK_GATE_D2		0x6208
955 #define VF_UNIT_CLOCK_GATE_DISABLE		(1 << 9)
956 #define GS_UNIT_CLOCK_GATE_DISABLE		(1 << 7)
957 #define CL_UNIT_CLOCK_GATE_DISABLE		(1 << 6)
958 #define RAMCLK_GATE_D		0x6210		/* CRL only */
959 #define DEUC			0x6214          /* CRL only */
960 
961 /*
962  * Palette regs
963  */
964 
965 #define PALETTE_A		0x0a000
966 #define PALETTE_B		0x0a800
967 
968 /* MCH MMIO space */
969 
970 /*
971  * MCHBAR mirror.
972  *
973  * This mirrors the MCHBAR MMIO space whose location is determined by
974  * device 0 function 0's pci config register 0x44 or 0x48 and matches it in
975  * every way.  It is not accessible from the CP register read instructions.
976  *
977  */
978 #define MCHBAR_MIRROR_BASE	0x10000
979 
980 #define MCHBAR_MIRROR_BASE_SNB	0x140000
981 
982 /** 915-945 and GM965 MCH register controlling DRAM channel access */
983 #define DCC			0x10200
984 #define DCC_ADDRESSING_MODE_SINGLE_CHANNEL		(0 << 0)
985 #define DCC_ADDRESSING_MODE_DUAL_CHANNEL_ASYMMETRIC	(1 << 0)
986 #define DCC_ADDRESSING_MODE_DUAL_CHANNEL_INTERLEAVED	(2 << 0)
987 #define DCC_ADDRESSING_MODE_MASK			(3 << 0)
988 #define DCC_CHANNEL_XOR_DISABLE				(1 << 10)
989 #define DCC_CHANNEL_XOR_BIT_17				(1 << 9)
990 
991 /** Pineview MCH register contains DDR3 setting */
992 #define CSHRDDR3CTL            0x101a8
993 #define CSHRDDR3CTL_DDR3       (1 << 2)
994 
995 /** 965 MCH register controlling DRAM channel configuration */
996 #define C0DRB3			0x10206
997 #define C1DRB3			0x10606
998 
999 /* Clocking configuration register */
1000 #define CLKCFG			0x10c00
1001 #define CLKCFG_FSB_400					(5 << 0)	/* hrawclk 100 */
1002 #define CLKCFG_FSB_533					(1 << 0)	/* hrawclk 133 */
1003 #define CLKCFG_FSB_667					(3 << 0)	/* hrawclk 166 */
1004 #define CLKCFG_FSB_800					(2 << 0)	/* hrawclk 200 */
1005 #define CLKCFG_FSB_1067					(6 << 0)	/* hrawclk 266 */
1006 #define CLKCFG_FSB_1333					(7 << 0)	/* hrawclk 333 */
1007 /* Note, below two are guess */
1008 #define CLKCFG_FSB_1600					(4 << 0)	/* hrawclk 400 */
1009 #define CLKCFG_FSB_1600_ALT				(0 << 0)	/* hrawclk 400 */
1010 #define CLKCFG_FSB_MASK					(7 << 0)
1011 #define CLKCFG_MEM_533					(1 << 4)
1012 #define CLKCFG_MEM_667					(2 << 4)
1013 #define CLKCFG_MEM_800					(3 << 4)
1014 #define CLKCFG_MEM_MASK					(7 << 4)
1015 
1016 #define TSC1			0x11001
1017 #define   TSE			(1<<0)
1018 #define TR1			0x11006
1019 #define TSFS			0x11020
1020 #define   TSFS_SLOPE_MASK	0x0000ff00
1021 #define   TSFS_SLOPE_SHIFT	8
1022 #define   TSFS_INTR_MASK	0x000000ff
1023 
1024 #define CRSTANDVID		0x11100
1025 #define PXVFREQ_BASE		0x11110 /* P[0-15]VIDFREQ (0x1114c) (Ironlake) */
1026 #define   PXVFREQ_PX_MASK	0x7f000000
1027 #define   PXVFREQ_PX_SHIFT	24
1028 #define VIDFREQ_BASE		0x11110
1029 #define VIDFREQ1		0x11110 /* VIDFREQ1-4 (0x1111c) (Cantiga) */
1030 #define VIDFREQ2		0x11114
1031 #define VIDFREQ3		0x11118
1032 #define VIDFREQ4		0x1111c
1033 #define   VIDFREQ_P0_MASK	0x1f000000
1034 #define   VIDFREQ_P0_SHIFT	24
1035 #define   VIDFREQ_P0_CSCLK_MASK	0x00f00000
1036 #define   VIDFREQ_P0_CSCLK_SHIFT 20
1037 #define   VIDFREQ_P0_CRCLK_MASK	0x000f0000
1038 #define   VIDFREQ_P0_CRCLK_SHIFT 16
1039 #define   VIDFREQ_P1_MASK	0x00001f00
1040 #define   VIDFREQ_P1_SHIFT	8
1041 #define   VIDFREQ_P1_CSCLK_MASK	0x000000f0
1042 #define   VIDFREQ_P1_CSCLK_SHIFT 4
1043 #define   VIDFREQ_P1_CRCLK_MASK	0x0000000f
1044 #define INTTOEXT_BASE_ILK	0x11300
1045 #define INTTOEXT_BASE		0x11120 /* INTTOEXT1-8 (0x1113c) */
1046 #define   INTTOEXT_MAP3_SHIFT	24
1047 #define   INTTOEXT_MAP3_MASK	(0x1f << INTTOEXT_MAP3_SHIFT)
1048 #define   INTTOEXT_MAP2_SHIFT	16
1049 #define   INTTOEXT_MAP2_MASK	(0x1f << INTTOEXT_MAP2_SHIFT)
1050 #define   INTTOEXT_MAP1_SHIFT	8
1051 #define   INTTOEXT_MAP1_MASK	(0x1f << INTTOEXT_MAP1_SHIFT)
1052 #define   INTTOEXT_MAP0_SHIFT	0
1053 #define   INTTOEXT_MAP0_MASK	(0x1f << INTTOEXT_MAP0_SHIFT)
1054 #define MEMSWCTL		0x11170 /* Ironlake only */
1055 #define   MEMCTL_CMD_MASK	0xe000
1056 #define   MEMCTL_CMD_SHIFT	13
1057 #define   MEMCTL_CMD_RCLK_OFF	0
1058 #define   MEMCTL_CMD_RCLK_ON	1
1059 #define   MEMCTL_CMD_CHFREQ	2
1060 #define   MEMCTL_CMD_CHVID	3
1061 #define   MEMCTL_CMD_VMMOFF	4
1062 #define   MEMCTL_CMD_VMMON	5
1063 #define   MEMCTL_CMD_STS	(1<<12) /* write 1 triggers command, clears
1064 					   when command complete */
1065 #define   MEMCTL_FREQ_MASK	0x0f00 /* jitter, from 0-15 */
1066 #define   MEMCTL_FREQ_SHIFT	8
1067 #define   MEMCTL_SFCAVM		(1<<7)
1068 #define   MEMCTL_TGT_VID_MASK	0x007f
1069 #define MEMIHYST		0x1117c
1070 #define MEMINTREN		0x11180 /* 16 bits */
1071 #define   MEMINT_RSEXIT_EN	(1<<8)
1072 #define   MEMINT_CX_SUPR_EN	(1<<7)
1073 #define   MEMINT_CONT_BUSY_EN	(1<<6)
1074 #define   MEMINT_AVG_BUSY_EN	(1<<5)
1075 #define   MEMINT_EVAL_CHG_EN	(1<<4)
1076 #define   MEMINT_MON_IDLE_EN	(1<<3)
1077 #define   MEMINT_UP_EVAL_EN	(1<<2)
1078 #define   MEMINT_DOWN_EVAL_EN	(1<<1)
1079 #define   MEMINT_SW_CMD_EN	(1<<0)
1080 #define MEMINTRSTR		0x11182 /* 16 bits */
1081 #define   MEM_RSEXIT_MASK	0xc000
1082 #define   MEM_RSEXIT_SHIFT	14
1083 #define   MEM_CONT_BUSY_MASK	0x3000
1084 #define   MEM_CONT_BUSY_SHIFT	12
1085 #define   MEM_AVG_BUSY_MASK	0x0c00
1086 #define   MEM_AVG_BUSY_SHIFT	10
1087 #define   MEM_EVAL_CHG_MASK	0x0300
1088 #define   MEM_EVAL_BUSY_SHIFT	8
1089 #define   MEM_MON_IDLE_MASK	0x00c0
1090 #define   MEM_MON_IDLE_SHIFT	6
1091 #define   MEM_UP_EVAL_MASK	0x0030
1092 #define   MEM_UP_EVAL_SHIFT	4
1093 #define   MEM_DOWN_EVAL_MASK	0x000c
1094 #define   MEM_DOWN_EVAL_SHIFT	2
1095 #define   MEM_SW_CMD_MASK	0x0003
1096 #define   MEM_INT_STEER_GFX	0
1097 #define   MEM_INT_STEER_CMR	1
1098 #define   MEM_INT_STEER_SMI	2
1099 #define   MEM_INT_STEER_SCI	3
1100 #define MEMINTRSTS		0x11184
1101 #define   MEMINT_RSEXIT		(1<<7)
1102 #define   MEMINT_CONT_BUSY	(1<<6)
1103 #define   MEMINT_AVG_BUSY	(1<<5)
1104 #define   MEMINT_EVAL_CHG	(1<<4)
1105 #define   MEMINT_MON_IDLE	(1<<3)
1106 #define   MEMINT_UP_EVAL	(1<<2)
1107 #define   MEMINT_DOWN_EVAL	(1<<1)
1108 #define   MEMINT_SW_CMD		(1<<0)
1109 #define MEMMODECTL		0x11190
1110 #define   MEMMODE_BOOST_EN	(1<<31)
1111 #define   MEMMODE_BOOST_FREQ_MASK 0x0f000000 /* jitter for boost, 0-15 */
1112 #define   MEMMODE_BOOST_FREQ_SHIFT 24
1113 #define   MEMMODE_IDLE_MODE_MASK 0x00030000
1114 #define   MEMMODE_IDLE_MODE_SHIFT 16
1115 #define   MEMMODE_IDLE_MODE_EVAL 0
1116 #define   MEMMODE_IDLE_MODE_CONT 1
1117 #define   MEMMODE_HWIDLE_EN	(1<<15)
1118 #define   MEMMODE_SWMODE_EN	(1<<14)
1119 #define   MEMMODE_RCLK_GATE	(1<<13)
1120 #define   MEMMODE_HW_UPDATE	(1<<12)
1121 #define   MEMMODE_FSTART_MASK	0x00000f00 /* starting jitter, 0-15 */
1122 #define   MEMMODE_FSTART_SHIFT	8
1123 #define   MEMMODE_FMAX_MASK	0x000000f0 /* max jitter, 0-15 */
1124 #define   MEMMODE_FMAX_SHIFT	4
1125 #define   MEMMODE_FMIN_MASK	0x0000000f /* min jitter, 0-15 */
1126 #define RCBMAXAVG		0x1119c
1127 #define MEMSWCTL2		0x1119e /* Cantiga only */
1128 #define   SWMEMCMD_RENDER_OFF	(0 << 13)
1129 #define   SWMEMCMD_RENDER_ON	(1 << 13)
1130 #define   SWMEMCMD_SWFREQ	(2 << 13)
1131 #define   SWMEMCMD_TARVID	(3 << 13)
1132 #define   SWMEMCMD_VRM_OFF	(4 << 13)
1133 #define   SWMEMCMD_VRM_ON	(5 << 13)
1134 #define   CMDSTS		(1<<12)
1135 #define   SFCAVM		(1<<11)
1136 #define   SWFREQ_MASK		0x0380 /* P0-7 */
1137 #define   SWFREQ_SHIFT		7
1138 #define   TARVID_MASK		0x001f
1139 #define MEMSTAT_CTG		0x111a0
1140 #define RCBMINAVG		0x111a0
1141 #define RCUPEI			0x111b0
1142 #define RCDNEI			0x111b4
1143 #define RSTDBYCTL		0x111b8
1144 #define   RS1EN			(1<<31)
1145 #define   RS2EN			(1<<30)
1146 #define   RS3EN			(1<<29)
1147 #define   D3RS3EN		(1<<28) /* Display D3 imlies RS3 */
1148 #define   SWPROMORSX		(1<<27) /* RSx promotion timers ignored */
1149 #define   RCWAKERW		(1<<26) /* Resetwarn from PCH causes wakeup */
1150 #define   DPRSLPVREN		(1<<25) /* Fast voltage ramp enable */
1151 #define   GFXTGHYST		(1<<24) /* Hysteresis to allow trunk gating */
1152 #define   RCX_SW_EXIT		(1<<23) /* Leave RSx and prevent re-entry */
1153 #define   RSX_STATUS_MASK	(7<<20)
1154 #define   RSX_STATUS_ON		(0<<20)
1155 #define   RSX_STATUS_RC1	(1<<20)
1156 #define   RSX_STATUS_RC1E	(2<<20)
1157 #define   RSX_STATUS_RS1	(3<<20)
1158 #define   RSX_STATUS_RS2	(4<<20) /* aka rc6 */
1159 #define   RSX_STATUS_RSVD	(5<<20) /* deep rc6 unsupported on ilk */
1160 #define   RSX_STATUS_RS3	(6<<20) /* rs3 unsupported on ilk */
1161 #define   RSX_STATUS_RSVD2	(7<<20)
1162 #define   UWRCRSXE		(1<<19) /* wake counter limit prevents rsx */
1163 #define   RSCRP			(1<<18) /* rs requests control on rs1/2 reqs */
1164 #define   JRSC			(1<<17) /* rsx coupled to cpu c-state */
1165 #define   RS2INC0		(1<<16) /* allow rs2 in cpu c0 */
1166 #define   RS1CONTSAV_MASK	(3<<14)
1167 #define   RS1CONTSAV_NO_RS1	(0<<14) /* rs1 doesn't save/restore context */
1168 #define   RS1CONTSAV_RSVD	(1<<14)
1169 #define   RS1CONTSAV_SAVE_RS1	(2<<14) /* rs1 saves context */
1170 #define   RS1CONTSAV_FULL_RS1	(3<<14) /* rs1 saves and restores context */
1171 #define   NORMSLEXLAT_MASK	(3<<12)
1172 #define   SLOW_RS123		(0<<12)
1173 #define   SLOW_RS23		(1<<12)
1174 #define   SLOW_RS3		(2<<12)
1175 #define   NORMAL_RS123		(3<<12)
1176 #define   RCMODE_TIMEOUT	(1<<11) /* 0 is eval interval method */
1177 #define   IMPROMOEN		(1<<10) /* promo is immediate or delayed until next idle interval (only for timeout method above) */
1178 #define   RCENTSYNC		(1<<9) /* rs coupled to cpu c-state (3/6/7) */
1179 #define   STATELOCK		(1<<7) /* locked to rs_cstate if 0 */
1180 #define   RS_CSTATE_MASK	(3<<4)
1181 #define   RS_CSTATE_C367_RS1	(0<<4)
1182 #define   RS_CSTATE_C36_RS1_C7_RS2 (1<<4)
1183 #define   RS_CSTATE_RSVD	(2<<4)
1184 #define   RS_CSTATE_C367_RS2	(3<<4)
1185 #define   REDSAVES		(1<<3) /* no context save if was idle during rs0 */
1186 #define   REDRESTORES		(1<<2) /* no restore if was idle during rs0 */
1187 #define VIDCTL			0x111c0
1188 #define VIDSTS			0x111c8
1189 #define VIDSTART		0x111cc /* 8 bits */
1190 #define MEMSTAT_ILK			0x111f8
1191 #define   MEMSTAT_VID_MASK	0x7f00
1192 #define   MEMSTAT_VID_SHIFT	8
1193 #define   MEMSTAT_PSTATE_MASK	0x00f8
1194 #define   MEMSTAT_PSTATE_SHIFT  3
1195 #define   MEMSTAT_MON_ACTV	(1<<2)
1196 #define   MEMSTAT_SRC_CTL_MASK	0x0003
1197 #define   MEMSTAT_SRC_CTL_CORE	0
1198 #define   MEMSTAT_SRC_CTL_TRB	1
1199 #define   MEMSTAT_SRC_CTL_THM	2
1200 #define   MEMSTAT_SRC_CTL_STDBY 3
1201 #define RCPREVBSYTUPAVG		0x113b8
1202 #define RCPREVBSYTDNAVG		0x113bc
1203 #define PMMISC			0x11214
1204 #define   MCPPCE_EN		(1<<0) /* enable PM_MSG from PCH->MPC */
1205 #define SDEW			0x1124c
1206 #define CSIEW0			0x11250
1207 #define CSIEW1			0x11254
1208 #define CSIEW2			0x11258
1209 #define PEW			0x1125c
1210 #define DEW			0x11270
1211 #define MCHAFE			0x112c0
1212 #define CSIEC			0x112e0
1213 #define DMIEC			0x112e4
1214 #define DDREC			0x112e8
1215 #define PEG0EC			0x112ec
1216 #define PEG1EC			0x112f0
1217 #define GFXEC			0x112f4
1218 #define RPPREVBSYTUPAVG		0x113b8
1219 #define RPPREVBSYTDNAVG		0x113bc
1220 #define ECR			0x11600
1221 #define   ECR_GPFE		(1<<31)
1222 #define   ECR_IMONE		(1<<30)
1223 #define   ECR_CAP_MASK		0x0000001f /* Event range, 0-31 */
1224 #define OGW0			0x11608
1225 #define OGW1			0x1160c
1226 #define EG0			0x11610
1227 #define EG1			0x11614
1228 #define EG2			0x11618
1229 #define EG3			0x1161c
1230 #define EG4			0x11620
1231 #define EG5			0x11624
1232 #define EG6			0x11628
1233 #define EG7			0x1162c
1234 #define PXW			0x11664
1235 #define PXWL			0x11680
1236 #define LCFUSE02		0x116c0
1237 #define   LCFUSE_HIV_MASK	0x000000ff
1238 #define CSIPLL0			0x12c10
1239 #define DDRMPLL1		0X12c20
1240 #define PEG_BAND_GAP_DATA	0x14d68
1241 
1242 #define GEN6_GT_PERF_STATUS	0x145948
1243 #define GEN6_RP_STATE_LIMITS	0x145994
1244 #define GEN6_RP_STATE_CAP	0x145998
1245 
1246 /*
1247  * Logical Context regs
1248  */
1249 #define CCID			0x2180
1250 #define   CCID_EN		(1<<0)
1251 /*
1252  * Overlay regs
1253  */
1254 
1255 #define OVADD			0x30000
1256 #define DOVSTA			0x30008
1257 #define OC_BUF			(0x3<<20)
1258 #define OGAMC5			0x30010
1259 #define OGAMC4			0x30014
1260 #define OGAMC3			0x30018
1261 #define OGAMC2			0x3001c
1262 #define OGAMC1			0x30020
1263 #define OGAMC0			0x30024
1264 
1265 /*
1266  * Display engine regs
1267  */
1268 
1269 /* Pipe A timing regs */
1270 #define HTOTAL_A	0x60000
1271 #define HBLANK_A	0x60004
1272 #define HSYNC_A		0x60008
1273 #define VTOTAL_A	0x6000c
1274 #define VBLANK_A	0x60010
1275 #define VSYNC_A		0x60014
1276 #define PIPEASRC	0x6001c
1277 #define BCLRPAT_A	0x60020
1278 
1279 /* Pipe B timing regs */
1280 #define HTOTAL_B	0x61000
1281 #define HBLANK_B	0x61004
1282 #define HSYNC_B		0x61008
1283 #define VTOTAL_B	0x6100c
1284 #define VBLANK_B	0x61010
1285 #define VSYNC_B		0x61014
1286 #define PIPEBSRC	0x6101c
1287 #define BCLRPAT_B	0x61020
1288 
1289 #define HTOTAL(pipe) _PIPE(pipe, HTOTAL_A, HTOTAL_B)
1290 #define HBLANK(pipe) _PIPE(pipe, HBLANK_A, HBLANK_B)
1291 #define HSYNC(pipe) _PIPE(pipe, HSYNC_A, HSYNC_B)
1292 #define VTOTAL(pipe) _PIPE(pipe, VTOTAL_A, VTOTAL_B)
1293 #define VBLANK(pipe) _PIPE(pipe, VBLANK_A, VBLANK_B)
1294 #define VSYNC(pipe) _PIPE(pipe, VSYNC_A, VSYNC_B)
1295 #define BCLRPAT(pipe) _PIPE(pipe, BCLRPAT_A, BCLRPAT_B)
1296 
1297 /* VGA port control */
1298 #define ADPA			0x61100
1299 #define   ADPA_DAC_ENABLE	(1<<31)
1300 #define   ADPA_DAC_DISABLE	0
1301 #define   ADPA_PIPE_SELECT_MASK	(1<<30)
1302 #define   ADPA_PIPE_A_SELECT	0
1303 #define   ADPA_PIPE_B_SELECT	(1<<30)
1304 #define   ADPA_USE_VGA_HVPOLARITY (1<<15)
1305 #define   ADPA_SETS_HVPOLARITY	0
1306 #define   ADPA_VSYNC_CNTL_DISABLE (1<<11)
1307 #define   ADPA_VSYNC_CNTL_ENABLE 0
1308 #define   ADPA_HSYNC_CNTL_DISABLE (1<<10)
1309 #define   ADPA_HSYNC_CNTL_ENABLE 0
1310 #define   ADPA_VSYNC_ACTIVE_HIGH (1<<4)
1311 #define   ADPA_VSYNC_ACTIVE_LOW	0
1312 #define   ADPA_HSYNC_ACTIVE_HIGH (1<<3)
1313 #define   ADPA_HSYNC_ACTIVE_LOW	0
1314 #define   ADPA_DPMS_MASK	(~(3<<10))
1315 #define   ADPA_DPMS_ON		(0<<10)
1316 #define   ADPA_DPMS_SUSPEND	(1<<10)
1317 #define   ADPA_DPMS_STANDBY	(2<<10)
1318 #define   ADPA_DPMS_OFF		(3<<10)
1319 
1320 
1321 /* Hotplug control (945+ only) */
1322 #define PORT_HOTPLUG_EN		0x61110
1323 #define   HDMIB_HOTPLUG_INT_EN			(1 << 29)
1324 #define   DPB_HOTPLUG_INT_EN			(1 << 29)
1325 #define   HDMIC_HOTPLUG_INT_EN			(1 << 28)
1326 #define   DPC_HOTPLUG_INT_EN			(1 << 28)
1327 #define   HDMID_HOTPLUG_INT_EN			(1 << 27)
1328 #define   DPD_HOTPLUG_INT_EN			(1 << 27)
1329 #define   SDVOB_HOTPLUG_INT_EN			(1 << 26)
1330 #define   SDVOC_HOTPLUG_INT_EN			(1 << 25)
1331 #define   TV_HOTPLUG_INT_EN			(1 << 18)
1332 #define   CRT_HOTPLUG_INT_EN			(1 << 9)
1333 #define   CRT_HOTPLUG_FORCE_DETECT		(1 << 3)
1334 #define CRT_HOTPLUG_ACTIVATION_PERIOD_32	(0 << 8)
1335 /* must use period 64 on GM45 according to docs */
1336 #define CRT_HOTPLUG_ACTIVATION_PERIOD_64	(1 << 8)
1337 #define CRT_HOTPLUG_DAC_ON_TIME_2M		(0 << 7)
1338 #define CRT_HOTPLUG_DAC_ON_TIME_4M		(1 << 7)
1339 #define CRT_HOTPLUG_VOLTAGE_COMPARE_40		(0 << 5)
1340 #define CRT_HOTPLUG_VOLTAGE_COMPARE_50		(1 << 5)
1341 #define CRT_HOTPLUG_VOLTAGE_COMPARE_60		(2 << 5)
1342 #define CRT_HOTPLUG_VOLTAGE_COMPARE_70		(3 << 5)
1343 #define CRT_HOTPLUG_VOLTAGE_COMPARE_MASK	(3 << 5)
1344 #define CRT_HOTPLUG_DETECT_DELAY_1G		(0 << 4)
1345 #define CRT_HOTPLUG_DETECT_DELAY_2G		(1 << 4)
1346 #define CRT_HOTPLUG_DETECT_VOLTAGE_325MV	(0 << 2)
1347 #define CRT_HOTPLUG_DETECT_VOLTAGE_475MV	(1 << 2)
1348 
1349 #define PORT_HOTPLUG_STAT	0x61114
1350 #define   HDMIB_HOTPLUG_INT_STATUS		(1 << 29)
1351 #define   DPB_HOTPLUG_INT_STATUS		(1 << 29)
1352 #define   HDMIC_HOTPLUG_INT_STATUS		(1 << 28)
1353 #define   DPC_HOTPLUG_INT_STATUS		(1 << 28)
1354 #define   HDMID_HOTPLUG_INT_STATUS		(1 << 27)
1355 #define   DPD_HOTPLUG_INT_STATUS		(1 << 27)
1356 #define   CRT_HOTPLUG_INT_STATUS		(1 << 11)
1357 #define   TV_HOTPLUG_INT_STATUS			(1 << 10)
1358 #define   CRT_HOTPLUG_MONITOR_MASK		(3 << 8)
1359 #define   CRT_HOTPLUG_MONITOR_COLOR		(3 << 8)
1360 #define   CRT_HOTPLUG_MONITOR_MONO		(2 << 8)
1361 #define   CRT_HOTPLUG_MONITOR_NONE		(0 << 8)
1362 #define   SDVOC_HOTPLUG_INT_STATUS		(1 << 7)
1363 #define   SDVOB_HOTPLUG_INT_STATUS		(1 << 6)
1364 
1365 /* SDVO port control */
1366 #define SDVOB			0x61140
1367 #define SDVOC			0x61160
1368 #define   SDVO_ENABLE		(1 << 31)
1369 #define   SDVO_PIPE_B_SELECT	(1 << 30)
1370 #define   SDVO_STALL_SELECT	(1 << 29)
1371 #define   SDVO_INTERRUPT_ENABLE	(1 << 26)
1372 /**
1373  * 915G/GM SDVO pixel multiplier.
1374  *
1375  * Programmed value is multiplier - 1, up to 5x.
1376  *
1377  * \sa DPLL_MD_UDI_MULTIPLIER_MASK
1378  */
1379 #define   SDVO_PORT_MULTIPLY_MASK	(7 << 23)
1380 #define   SDVO_PORT_MULTIPLY_SHIFT		23
1381 #define   SDVO_PHASE_SELECT_MASK	(15 << 19)
1382 #define   SDVO_PHASE_SELECT_DEFAULT	(6 << 19)
1383 #define   SDVO_CLOCK_OUTPUT_INVERT	(1 << 18)
1384 #define   SDVOC_GANG_MODE		(1 << 16)
1385 #define   SDVO_ENCODING_SDVO		(0x0 << 10)
1386 #define   SDVO_ENCODING_HDMI		(0x2 << 10)
1387 /** Requird for HDMI operation */
1388 #define   SDVO_NULL_PACKETS_DURING_VSYNC (1 << 9)
1389 #define   SDVO_BORDER_ENABLE		(1 << 7)
1390 #define   SDVO_AUDIO_ENABLE		(1 << 6)
1391 /** New with 965, default is to be set */
1392 #define   SDVO_VSYNC_ACTIVE_HIGH	(1 << 4)
1393 /** New with 965, default is to be set */
1394 #define   SDVO_HSYNC_ACTIVE_HIGH	(1 << 3)
1395 #define   SDVOB_PCIE_CONCURRENCY	(1 << 3)
1396 #define   SDVO_DETECTED			(1 << 2)
1397 /* Bits to be preserved when writing */
1398 #define   SDVOB_PRESERVE_MASK ((1 << 17) | (1 << 16) | (1 << 14) | (1 << 26))
1399 #define   SDVOC_PRESERVE_MASK ((1 << 17) | (1 << 26))
1400 
1401 /* DVO port control */
1402 #define DVOA			0x61120
1403 #define DVOB			0x61140
1404 #define DVOC			0x61160
1405 #define   DVO_ENABLE			(1 << 31)
1406 #define   DVO_PIPE_B_SELECT		(1 << 30)
1407 #define   DVO_PIPE_STALL_UNUSED		(0 << 28)
1408 #define   DVO_PIPE_STALL		(1 << 28)
1409 #define   DVO_PIPE_STALL_TV		(2 << 28)
1410 #define   DVO_PIPE_STALL_MASK		(3 << 28)
1411 #define   DVO_USE_VGA_SYNC		(1 << 15)
1412 #define   DVO_DATA_ORDER_I740		(0 << 14)
1413 #define   DVO_DATA_ORDER_FP		(1 << 14)
1414 #define   DVO_VSYNC_DISABLE		(1 << 11)
1415 #define   DVO_HSYNC_DISABLE		(1 << 10)
1416 #define   DVO_VSYNC_TRISTATE		(1 << 9)
1417 #define   DVO_HSYNC_TRISTATE		(1 << 8)
1418 #define   DVO_BORDER_ENABLE		(1 << 7)
1419 #define   DVO_DATA_ORDER_GBRG		(1 << 6)
1420 #define   DVO_DATA_ORDER_RGGB		(0 << 6)
1421 #define   DVO_DATA_ORDER_GBRG_ERRATA	(0 << 6)
1422 #define   DVO_DATA_ORDER_RGGB_ERRATA	(1 << 6)
1423 #define   DVO_VSYNC_ACTIVE_HIGH		(1 << 4)
1424 #define   DVO_HSYNC_ACTIVE_HIGH		(1 << 3)
1425 #define   DVO_BLANK_ACTIVE_HIGH		(1 << 2)
1426 #define   DVO_OUTPUT_CSTATE_PIXELS	(1 << 1)	/* SDG only */
1427 #define   DVO_OUTPUT_SOURCE_SIZE_PIXELS	(1 << 0)	/* SDG only */
1428 #define   DVO_PRESERVE_MASK		(0x7<<24)
1429 #define DVOA_SRCDIM		0x61124
1430 #define DVOB_SRCDIM		0x61144
1431 #define DVOC_SRCDIM		0x61164
1432 #define   DVO_SRCDIM_HORIZONTAL_SHIFT	12
1433 #define   DVO_SRCDIM_VERTICAL_SHIFT	0
1434 
1435 /* LVDS port control */
1436 #define LVDS			0x61180
1437 /*
1438  * Enables the LVDS port.  This bit must be set before DPLLs are enabled, as
1439  * the DPLL semantics change when the LVDS is assigned to that pipe.
1440  */
1441 #define   LVDS_PORT_EN			(1 << 31)
1442 /* Selects pipe B for LVDS data.  Must be set on pre-965. */
1443 #define   LVDS_PIPEB_SELECT		(1 << 30)
1444 /* LVDS dithering flag on 965/g4x platform */
1445 #define   LVDS_ENABLE_DITHER		(1 << 25)
1446 /* Enable border for unscaled (or aspect-scaled) display */
1447 #define   LVDS_BORDER_ENABLE		(1 << 15)
1448 /*
1449  * Enables the A0-A2 data pairs and CLKA, containing 18 bits of color data per
1450  * pixel.
1451  */
1452 #define   LVDS_A0A2_CLKA_POWER_MASK	(3 << 8)
1453 #define   LVDS_A0A2_CLKA_POWER_DOWN	(0 << 8)
1454 #define   LVDS_A0A2_CLKA_POWER_UP	(3 << 8)
1455 /*
1456  * Controls the A3 data pair, which contains the additional LSBs for 24 bit
1457  * mode.  Only enabled if LVDS_A0A2_CLKA_POWER_UP also indicates it should be
1458  * on.
1459  */
1460 #define   LVDS_A3_POWER_MASK		(3 << 6)
1461 #define   LVDS_A3_POWER_DOWN		(0 << 6)
1462 #define   LVDS_A3_POWER_UP		(3 << 6)
1463 /*
1464  * Controls the CLKB pair.  This should only be set when LVDS_B0B3_POWER_UP
1465  * is set.
1466  */
1467 #define   LVDS_CLKB_POWER_MASK		(3 << 4)
1468 #define   LVDS_CLKB_POWER_DOWN		(0 << 4)
1469 #define   LVDS_CLKB_POWER_UP		(3 << 4)
1470 /*
1471  * Controls the B0-B3 data pairs.  This must be set to match the DPLL p2
1472  * setting for whether we are in dual-channel mode.  The B3 pair will
1473  * additionally only be powered up when LVDS_A3_POWER_UP is set.
1474  */
1475 #define   LVDS_B0B3_POWER_MASK		(3 << 2)
1476 #define   LVDS_B0B3_POWER_DOWN		(0 << 2)
1477 #define   LVDS_B0B3_POWER_UP		(3 << 2)
1478 
1479 /* Video Data Island Packet control */
1480 #define VIDEO_DIP_DATA		0x61178
1481 #define VIDEO_DIP_CTL		0x61170
1482 #define   VIDEO_DIP_ENABLE		(1 << 31)
1483 #define   VIDEO_DIP_PORT_B		(1 << 29)
1484 #define   VIDEO_DIP_PORT_C		(2 << 29)
1485 #define   VIDEO_DIP_ENABLE_AVI		(1 << 21)
1486 #define   VIDEO_DIP_ENABLE_VENDOR	(2 << 21)
1487 #define   VIDEO_DIP_ENABLE_SPD		(8 << 21)
1488 #define   VIDEO_DIP_SELECT_AVI		(0 << 19)
1489 #define   VIDEO_DIP_SELECT_VENDOR	(1 << 19)
1490 #define   VIDEO_DIP_SELECT_SPD		(3 << 19)
1491 #define   VIDEO_DIP_FREQ_ONCE		(0 << 16)
1492 #define   VIDEO_DIP_FREQ_VSYNC		(1 << 16)
1493 #define   VIDEO_DIP_FREQ_2VSYNC		(2 << 16)
1494 
1495 /* Panel power sequencing */
1496 #define PP_STATUS	0x61200
1497 #define   PP_ON		(1 << 31)
1498 /*
1499  * Indicates that all dependencies of the panel are on:
1500  *
1501  * - PLL enabled
1502  * - pipe enabled
1503  * - LVDS/DVOB/DVOC on
1504  */
1505 #define   PP_READY		(1 << 30)
1506 #define   PP_SEQUENCE_NONE	(0 << 28)
1507 #define   PP_SEQUENCE_ON	(1 << 28)
1508 #define   PP_SEQUENCE_OFF	(2 << 28)
1509 #define   PP_SEQUENCE_MASK	0x30000000
1510 #define   PP_CYCLE_DELAY_ACTIVE	(1 << 27)
1511 #define   PP_SEQUENCE_STATE_ON_IDLE (1 << 3)
1512 #define   PP_SEQUENCE_STATE_MASK 0x0000000f
1513 #define PP_CONTROL	0x61204
1514 #define   POWER_TARGET_ON	(1 << 0)
1515 #define PP_ON_DELAYS	0x61208
1516 #define PP_OFF_DELAYS	0x6120c
1517 #define PP_DIVISOR	0x61210
1518 
1519 /* Panel fitting */
1520 #define PFIT_CONTROL	0x61230
1521 #define   PFIT_ENABLE		(1 << 31)
1522 #define   PFIT_PIPE_MASK	(3 << 29)
1523 #define   PFIT_PIPE_SHIFT	29
1524 #define   VERT_INTERP_DISABLE	(0 << 10)
1525 #define   VERT_INTERP_BILINEAR	(1 << 10)
1526 #define   VERT_INTERP_MASK	(3 << 10)
1527 #define   VERT_AUTO_SCALE	(1 << 9)
1528 #define   HORIZ_INTERP_DISABLE	(0 << 6)
1529 #define   HORIZ_INTERP_BILINEAR	(1 << 6)
1530 #define   HORIZ_INTERP_MASK	(3 << 6)
1531 #define   HORIZ_AUTO_SCALE	(1 << 5)
1532 #define   PANEL_8TO6_DITHER_ENABLE (1 << 3)
1533 #define   PFIT_FILTER_FUZZY	(0 << 24)
1534 #define   PFIT_SCALING_AUTO	(0 << 26)
1535 #define   PFIT_SCALING_PROGRAMMED (1 << 26)
1536 #define   PFIT_SCALING_PILLAR	(2 << 26)
1537 #define   PFIT_SCALING_LETTER	(3 << 26)
1538 #define PFIT_PGM_RATIOS	0x61234
1539 #define   PFIT_VERT_SCALE_MASK			0xfff00000
1540 #define   PFIT_HORIZ_SCALE_MASK			0x0000fff0
1541 /* Pre-965 */
1542 #define		PFIT_VERT_SCALE_SHIFT		20
1543 #define		PFIT_VERT_SCALE_MASK		0xfff00000
1544 #define		PFIT_HORIZ_SCALE_SHIFT		4
1545 #define		PFIT_HORIZ_SCALE_MASK		0x0000fff0
1546 /* 965+ */
1547 #define		PFIT_VERT_SCALE_SHIFT_965	16
1548 #define		PFIT_VERT_SCALE_MASK_965	0x1fff0000
1549 #define		PFIT_HORIZ_SCALE_SHIFT_965	0
1550 #define		PFIT_HORIZ_SCALE_MASK_965	0x00001fff
1551 
1552 #define PFIT_AUTO_RATIOS 0x61238
1553 
1554 /* Backlight control */
1555 #define BLC_PWM_CTL		0x61254
1556 #define BLC_PWM_CTL2		0x61250 /* 965+ only */
1557 /*
1558  * This is the number of cycles out of the backlight modulation cycle for which
1559  * the backlight is on.
1560  *
1561  * This field must be no greater than the number of cycles in the complete
1562  * backlight modulation cycle.
1563  */
1564 #define   BACKLIGHT_DUTY_CYCLE_SHIFT		(0)
1565 #define   BACKLIGHT_DUTY_CYCLE_MASK		(0xffff)
1566 
1567 #define BLC_HIST_CTL		0x61260
1568 
1569 /* TV port control */
1570 #define TV_CTL			0x68000
1571 /** Enables the TV encoder */
1572 # define TV_ENC_ENABLE			(1 << 31)
1573 /** Sources the TV encoder input from pipe B instead of A. */
1574 # define TV_ENC_PIPEB_SELECT		(1 << 30)
1575 /** Outputs composite video (DAC A only) */
1576 # define TV_ENC_OUTPUT_COMPOSITE	(0 << 28)
1577 /** Outputs SVideo video (DAC B/C) */
1578 # define TV_ENC_OUTPUT_SVIDEO		(1 << 28)
1579 /** Outputs Component video (DAC A/B/C) */
1580 # define TV_ENC_OUTPUT_COMPONENT	(2 << 28)
1581 /** Outputs Composite and SVideo (DAC A/B/C) */
1582 # define TV_ENC_OUTPUT_SVIDEO_COMPOSITE	(3 << 28)
1583 # define TV_TRILEVEL_SYNC		(1 << 21)
1584 /** Enables slow sync generation (945GM only) */
1585 # define TV_SLOW_SYNC			(1 << 20)
1586 /** Selects 4x oversampling for 480i and 576p */
1587 # define TV_OVERSAMPLE_4X		(0 << 18)
1588 /** Selects 2x oversampling for 720p and 1080i */
1589 # define TV_OVERSAMPLE_2X		(1 << 18)
1590 /** Selects no oversampling for 1080p */
1591 # define TV_OVERSAMPLE_NONE		(2 << 18)
1592 /** Selects 8x oversampling */
1593 # define TV_OVERSAMPLE_8X		(3 << 18)
1594 /** Selects progressive mode rather than interlaced */
1595 # define TV_PROGRESSIVE			(1 << 17)
1596 /** Sets the colorburst to PAL mode.  Required for non-M PAL modes. */
1597 # define TV_PAL_BURST			(1 << 16)
1598 /** Field for setting delay of Y compared to C */
1599 # define TV_YC_SKEW_MASK		(7 << 12)
1600 /** Enables a fix for 480p/576p standard definition modes on the 915GM only */
1601 # define TV_ENC_SDP_FIX			(1 << 11)
1602 /**
1603  * Enables a fix for the 915GM only.
1604  *
1605  * Not sure what it does.
1606  */
1607 # define TV_ENC_C0_FIX			(1 << 10)
1608 /** Bits that must be preserved by software */
1609 # define TV_CTL_SAVE			((1 << 11) | (3 << 9) | (7 << 6) | 0xf)
1610 # define TV_FUSE_STATE_MASK		(3 << 4)
1611 /** Read-only state that reports all features enabled */
1612 # define TV_FUSE_STATE_ENABLED		(0 << 4)
1613 /** Read-only state that reports that Macrovision is disabled in hardware*/
1614 # define TV_FUSE_STATE_NO_MACROVISION	(1 << 4)
1615 /** Read-only state that reports that TV-out is disabled in hardware. */
1616 # define TV_FUSE_STATE_DISABLED		(2 << 4)
1617 /** Normal operation */
1618 # define TV_TEST_MODE_NORMAL		(0 << 0)
1619 /** Encoder test pattern 1 - combo pattern */
1620 # define TV_TEST_MODE_PATTERN_1		(1 << 0)
1621 /** Encoder test pattern 2 - full screen vertical 75% color bars */
1622 # define TV_TEST_MODE_PATTERN_2		(2 << 0)
1623 /** Encoder test pattern 3 - full screen horizontal 75% color bars */
1624 # define TV_TEST_MODE_PATTERN_3		(3 << 0)
1625 /** Encoder test pattern 4 - random noise */
1626 # define TV_TEST_MODE_PATTERN_4		(4 << 0)
1627 /** Encoder test pattern 5 - linear color ramps */
1628 # define TV_TEST_MODE_PATTERN_5		(5 << 0)
1629 /**
1630  * This test mode forces the DACs to 50% of full output.
1631  *
1632  * This is used for load detection in combination with TVDAC_SENSE_MASK
1633  */
1634 # define TV_TEST_MODE_MONITOR_DETECT	(7 << 0)
1635 # define TV_TEST_MODE_MASK		(7 << 0)
1636 
1637 #define TV_DAC			0x68004
1638 # define TV_DAC_SAVE		0x00ffff00
1639 /**
1640  * Reports that DAC state change logic has reported change (RO).
1641  *
1642  * This gets cleared when TV_DAC_STATE_EN is cleared
1643 */
1644 # define TVDAC_STATE_CHG		(1 << 31)
1645 # define TVDAC_SENSE_MASK		(7 << 28)
1646 /** Reports that DAC A voltage is above the detect threshold */
1647 # define TVDAC_A_SENSE			(1 << 30)
1648 /** Reports that DAC B voltage is above the detect threshold */
1649 # define TVDAC_B_SENSE			(1 << 29)
1650 /** Reports that DAC C voltage is above the detect threshold */
1651 # define TVDAC_C_SENSE			(1 << 28)
1652 /**
1653  * Enables DAC state detection logic, for load-based TV detection.
1654  *
1655  * The PLL of the chosen pipe (in TV_CTL) must be running, and the encoder set
1656  * to off, for load detection to work.
1657  */
1658 # define TVDAC_STATE_CHG_EN		(1 << 27)
1659 /** Sets the DAC A sense value to high */
1660 # define TVDAC_A_SENSE_CTL		(1 << 26)
1661 /** Sets the DAC B sense value to high */
1662 # define TVDAC_B_SENSE_CTL		(1 << 25)
1663 /** Sets the DAC C sense value to high */
1664 # define TVDAC_C_SENSE_CTL		(1 << 24)
1665 /** Overrides the ENC_ENABLE and DAC voltage levels */
1666 # define DAC_CTL_OVERRIDE		(1 << 7)
1667 /** Sets the slew rate.  Must be preserved in software */
1668 # define ENC_TVDAC_SLEW_FAST		(1 << 6)
1669 # define DAC_A_1_3_V			(0 << 4)
1670 # define DAC_A_1_1_V			(1 << 4)
1671 # define DAC_A_0_7_V			(2 << 4)
1672 # define DAC_A_MASK			(3 << 4)
1673 # define DAC_B_1_3_V			(0 << 2)
1674 # define DAC_B_1_1_V			(1 << 2)
1675 # define DAC_B_0_7_V			(2 << 2)
1676 # define DAC_B_MASK			(3 << 2)
1677 # define DAC_C_1_3_V			(0 << 0)
1678 # define DAC_C_1_1_V			(1 << 0)
1679 # define DAC_C_0_7_V			(2 << 0)
1680 # define DAC_C_MASK			(3 << 0)
1681 
1682 /**
1683  * CSC coefficients are stored in a floating point format with 9 bits of
1684  * mantissa and 2 or 3 bits of exponent.  The exponent is represented as 2**-n,
1685  * where 2-bit exponents are unsigned n, and 3-bit exponents are signed n with
1686  * -1 (0x3) being the only legal negative value.
1687  */
1688 #define TV_CSC_Y		0x68010
1689 # define TV_RY_MASK			0x07ff0000
1690 # define TV_RY_SHIFT			16
1691 # define TV_GY_MASK			0x00000fff
1692 # define TV_GY_SHIFT			0
1693 
1694 #define TV_CSC_Y2		0x68014
1695 # define TV_BY_MASK			0x07ff0000
1696 # define TV_BY_SHIFT			16
1697 /**
1698  * Y attenuation for component video.
1699  *
1700  * Stored in 1.9 fixed point.
1701  */
1702 # define TV_AY_MASK			0x000003ff
1703 # define TV_AY_SHIFT			0
1704 
1705 #define TV_CSC_U		0x68018
1706 # define TV_RU_MASK			0x07ff0000
1707 # define TV_RU_SHIFT			16
1708 # define TV_GU_MASK			0x000007ff
1709 # define TV_GU_SHIFT			0
1710 
1711 #define TV_CSC_U2		0x6801c
1712 # define TV_BU_MASK			0x07ff0000
1713 # define TV_BU_SHIFT			16
1714 /**
1715  * U attenuation for component video.
1716  *
1717  * Stored in 1.9 fixed point.
1718  */
1719 # define TV_AU_MASK			0x000003ff
1720 # define TV_AU_SHIFT			0
1721 
1722 #define TV_CSC_V		0x68020
1723 # define TV_RV_MASK			0x0fff0000
1724 # define TV_RV_SHIFT			16
1725 # define TV_GV_MASK			0x000007ff
1726 # define TV_GV_SHIFT			0
1727 
1728 #define TV_CSC_V2		0x68024
1729 # define TV_BV_MASK			0x07ff0000
1730 # define TV_BV_SHIFT			16
1731 /**
1732  * V attenuation for component video.
1733  *
1734  * Stored in 1.9 fixed point.
1735  */
1736 # define TV_AV_MASK			0x000007ff
1737 # define TV_AV_SHIFT			0
1738 
1739 #define TV_CLR_KNOBS		0x68028
1740 /** 2s-complement brightness adjustment */
1741 # define TV_BRIGHTNESS_MASK		0xff000000
1742 # define TV_BRIGHTNESS_SHIFT		24
1743 /** Contrast adjustment, as a 2.6 unsigned floating point number */
1744 # define TV_CONTRAST_MASK		0x00ff0000
1745 # define TV_CONTRAST_SHIFT		16
1746 /** Saturation adjustment, as a 2.6 unsigned floating point number */
1747 # define TV_SATURATION_MASK		0x0000ff00
1748 # define TV_SATURATION_SHIFT		8
1749 /** Hue adjustment, as an integer phase angle in degrees */
1750 # define TV_HUE_MASK			0x000000ff
1751 # define TV_HUE_SHIFT			0
1752 
1753 #define TV_CLR_LEVEL		0x6802c
1754 /** Controls the DAC level for black */
1755 # define TV_BLACK_LEVEL_MASK		0x01ff0000
1756 # define TV_BLACK_LEVEL_SHIFT		16
1757 /** Controls the DAC level for blanking */
1758 # define TV_BLANK_LEVEL_MASK		0x000001ff
1759 # define TV_BLANK_LEVEL_SHIFT		0
1760 
1761 #define TV_H_CTL_1		0x68030
1762 /** Number of pixels in the hsync. */
1763 # define TV_HSYNC_END_MASK		0x1fff0000
1764 # define TV_HSYNC_END_SHIFT		16
1765 /** Total number of pixels minus one in the line (display and blanking). */
1766 # define TV_HTOTAL_MASK			0x00001fff
1767 # define TV_HTOTAL_SHIFT		0
1768 
1769 #define TV_H_CTL_2		0x68034
1770 /** Enables the colorburst (needed for non-component color) */
1771 # define TV_BURST_ENA			(1 << 31)
1772 /** Offset of the colorburst from the start of hsync, in pixels minus one. */
1773 # define TV_HBURST_START_SHIFT		16
1774 # define TV_HBURST_START_MASK		0x1fff0000
1775 /** Length of the colorburst */
1776 # define TV_HBURST_LEN_SHIFT		0
1777 # define TV_HBURST_LEN_MASK		0x0001fff
1778 
1779 #define TV_H_CTL_3		0x68038
1780 /** End of hblank, measured in pixels minus one from start of hsync */
1781 # define TV_HBLANK_END_SHIFT		16
1782 # define TV_HBLANK_END_MASK		0x1fff0000
1783 /** Start of hblank, measured in pixels minus one from start of hsync */
1784 # define TV_HBLANK_START_SHIFT		0
1785 # define TV_HBLANK_START_MASK		0x0001fff
1786 
1787 #define TV_V_CTL_1		0x6803c
1788 /** XXX */
1789 # define TV_NBR_END_SHIFT		16
1790 # define TV_NBR_END_MASK		0x07ff0000
1791 /** XXX */
1792 # define TV_VI_END_F1_SHIFT		8
1793 # define TV_VI_END_F1_MASK		0x00003f00
1794 /** XXX */
1795 # define TV_VI_END_F2_SHIFT		0
1796 # define TV_VI_END_F2_MASK		0x0000003f
1797 
1798 #define TV_V_CTL_2		0x68040
1799 /** Length of vsync, in half lines */
1800 # define TV_VSYNC_LEN_MASK		0x07ff0000
1801 # define TV_VSYNC_LEN_SHIFT		16
1802 /** Offset of the start of vsync in field 1, measured in one less than the
1803  * number of half lines.
1804  */
1805 # define TV_VSYNC_START_F1_MASK		0x00007f00
1806 # define TV_VSYNC_START_F1_SHIFT	8
1807 /**
1808  * Offset of the start of vsync in field 2, measured in one less than the
1809  * number of half lines.
1810  */
1811 # define TV_VSYNC_START_F2_MASK		0x0000007f
1812 # define TV_VSYNC_START_F2_SHIFT	0
1813 
1814 #define TV_V_CTL_3		0x68044
1815 /** Enables generation of the equalization signal */
1816 # define TV_EQUAL_ENA			(1 << 31)
1817 /** Length of vsync, in half lines */
1818 # define TV_VEQ_LEN_MASK		0x007f0000
1819 # define TV_VEQ_LEN_SHIFT		16
1820 /** Offset of the start of equalization in field 1, measured in one less than
1821  * the number of half lines.
1822  */
1823 # define TV_VEQ_START_F1_MASK		0x0007f00
1824 # define TV_VEQ_START_F1_SHIFT		8
1825 /**
1826  * Offset of the start of equalization in field 2, measured in one less than
1827  * the number of half lines.
1828  */
1829 # define TV_VEQ_START_F2_MASK		0x000007f
1830 # define TV_VEQ_START_F2_SHIFT		0
1831 
1832 #define TV_V_CTL_4		0x68048
1833 /**
1834  * Offset to start of vertical colorburst, measured in one less than the
1835  * number of lines from vertical start.
1836  */
1837 # define TV_VBURST_START_F1_MASK	0x003f0000
1838 # define TV_VBURST_START_F1_SHIFT	16
1839 /**
1840  * Offset to the end of vertical colorburst, measured in one less than the
1841  * number of lines from the start of NBR.
1842  */
1843 # define TV_VBURST_END_F1_MASK		0x000000ff
1844 # define TV_VBURST_END_F1_SHIFT		0
1845 
1846 #define TV_V_CTL_5		0x6804c
1847 /**
1848  * Offset to start of vertical colorburst, measured in one less than the
1849  * number of lines from vertical start.
1850  */
1851 # define TV_VBURST_START_F2_MASK	0x003f0000
1852 # define TV_VBURST_START_F2_SHIFT	16
1853 /**
1854  * Offset to the end of vertical colorburst, measured in one less than the
1855  * number of lines from the start of NBR.
1856  */
1857 # define TV_VBURST_END_F2_MASK		0x000000ff
1858 # define TV_VBURST_END_F2_SHIFT		0
1859 
1860 #define TV_V_CTL_6		0x68050
1861 /**
1862  * Offset to start of vertical colorburst, measured in one less than the
1863  * number of lines from vertical start.
1864  */
1865 # define TV_VBURST_START_F3_MASK	0x003f0000
1866 # define TV_VBURST_START_F3_SHIFT	16
1867 /**
1868  * Offset to the end of vertical colorburst, measured in one less than the
1869  * number of lines from the start of NBR.
1870  */
1871 # define TV_VBURST_END_F3_MASK		0x000000ff
1872 # define TV_VBURST_END_F3_SHIFT		0
1873 
1874 #define TV_V_CTL_7		0x68054
1875 /**
1876  * Offset to start of vertical colorburst, measured in one less than the
1877  * number of lines from vertical start.
1878  */
1879 # define TV_VBURST_START_F4_MASK	0x003f0000
1880 # define TV_VBURST_START_F4_SHIFT	16
1881 /**
1882  * Offset to the end of vertical colorburst, measured in one less than the
1883  * number of lines from the start of NBR.
1884  */
1885 # define TV_VBURST_END_F4_MASK		0x000000ff
1886 # define TV_VBURST_END_F4_SHIFT		0
1887 
1888 #define TV_SC_CTL_1		0x68060
1889 /** Turns on the first subcarrier phase generation DDA */
1890 # define TV_SC_DDA1_EN			(1 << 31)
1891 /** Turns on the first subcarrier phase generation DDA */
1892 # define TV_SC_DDA2_EN			(1 << 30)
1893 /** Turns on the first subcarrier phase generation DDA */
1894 # define TV_SC_DDA3_EN			(1 << 29)
1895 /** Sets the subcarrier DDA to reset frequency every other field */
1896 # define TV_SC_RESET_EVERY_2		(0 << 24)
1897 /** Sets the subcarrier DDA to reset frequency every fourth field */
1898 # define TV_SC_RESET_EVERY_4		(1 << 24)
1899 /** Sets the subcarrier DDA to reset frequency every eighth field */
1900 # define TV_SC_RESET_EVERY_8		(2 << 24)
1901 /** Sets the subcarrier DDA to never reset the frequency */
1902 # define TV_SC_RESET_NEVER		(3 << 24)
1903 /** Sets the peak amplitude of the colorburst.*/
1904 # define TV_BURST_LEVEL_MASK		0x00ff0000
1905 # define TV_BURST_LEVEL_SHIFT		16
1906 /** Sets the increment of the first subcarrier phase generation DDA */
1907 # define TV_SCDDA1_INC_MASK		0x00000fff
1908 # define TV_SCDDA1_INC_SHIFT		0
1909 
1910 #define TV_SC_CTL_2		0x68064
1911 /** Sets the rollover for the second subcarrier phase generation DDA */
1912 # define TV_SCDDA2_SIZE_MASK		0x7fff0000
1913 # define TV_SCDDA2_SIZE_SHIFT		16
1914 /** Sets the increent of the second subcarrier phase generation DDA */
1915 # define TV_SCDDA2_INC_MASK		0x00007fff
1916 # define TV_SCDDA2_INC_SHIFT		0
1917 
1918 #define TV_SC_CTL_3		0x68068
1919 /** Sets the rollover for the third subcarrier phase generation DDA */
1920 # define TV_SCDDA3_SIZE_MASK		0x7fff0000
1921 # define TV_SCDDA3_SIZE_SHIFT		16
1922 /** Sets the increent of the third subcarrier phase generation DDA */
1923 # define TV_SCDDA3_INC_MASK		0x00007fff
1924 # define TV_SCDDA3_INC_SHIFT		0
1925 
1926 #define TV_WIN_POS		0x68070
1927 /** X coordinate of the display from the start of horizontal active */
1928 # define TV_XPOS_MASK			0x1fff0000
1929 # define TV_XPOS_SHIFT			16
1930 /** Y coordinate of the display from the start of vertical active (NBR) */
1931 # define TV_YPOS_MASK			0x00000fff
1932 # define TV_YPOS_SHIFT			0
1933 
1934 #define TV_WIN_SIZE		0x68074
1935 /** Horizontal size of the display window, measured in pixels*/
1936 # define TV_XSIZE_MASK			0x1fff0000
1937 # define TV_XSIZE_SHIFT			16
1938 /**
1939  * Vertical size of the display window, measured in pixels.
1940  *
1941  * Must be even for interlaced modes.
1942  */
1943 # define TV_YSIZE_MASK			0x00000fff
1944 # define TV_YSIZE_SHIFT			0
1945 
1946 #define TV_FILTER_CTL_1		0x68080
1947 /**
1948  * Enables automatic scaling calculation.
1949  *
1950  * If set, the rest of the registers are ignored, and the calculated values can
1951  * be read back from the register.
1952  */
1953 # define TV_AUTO_SCALE			(1 << 31)
1954 /**
1955  * Disables the vertical filter.
1956  *
1957  * This is required on modes more than 1024 pixels wide */
1958 # define TV_V_FILTER_BYPASS		(1 << 29)
1959 /** Enables adaptive vertical filtering */
1960 # define TV_VADAPT			(1 << 28)
1961 # define TV_VADAPT_MODE_MASK		(3 << 26)
1962 /** Selects the least adaptive vertical filtering mode */
1963 # define TV_VADAPT_MODE_LEAST		(0 << 26)
1964 /** Selects the moderately adaptive vertical filtering mode */
1965 # define TV_VADAPT_MODE_MODERATE	(1 << 26)
1966 /** Selects the most adaptive vertical filtering mode */
1967 # define TV_VADAPT_MODE_MOST		(3 << 26)
1968 /**
1969  * Sets the horizontal scaling factor.
1970  *
1971  * This should be the fractional part of the horizontal scaling factor divided
1972  * by the oversampling rate.  TV_HSCALE should be less than 1, and set to:
1973  *
1974  * (src width - 1) / ((oversample * dest width) - 1)
1975  */
1976 # define TV_HSCALE_FRAC_MASK		0x00003fff
1977 # define TV_HSCALE_FRAC_SHIFT		0
1978 
1979 #define TV_FILTER_CTL_2		0x68084
1980 /**
1981  * Sets the integer part of the 3.15 fixed-point vertical scaling factor.
1982  *
1983  * TV_VSCALE should be (src height - 1) / ((interlace * dest height) - 1)
1984  */
1985 # define TV_VSCALE_INT_MASK		0x00038000
1986 # define TV_VSCALE_INT_SHIFT		15
1987 /**
1988  * Sets the fractional part of the 3.15 fixed-point vertical scaling factor.
1989  *
1990  * \sa TV_VSCALE_INT_MASK
1991  */
1992 # define TV_VSCALE_FRAC_MASK		0x00007fff
1993 # define TV_VSCALE_FRAC_SHIFT		0
1994 
1995 #define TV_FILTER_CTL_3		0x68088
1996 /**
1997  * Sets the integer part of the 3.15 fixed-point vertical scaling factor.
1998  *
1999  * TV_VSCALE should be (src height - 1) / (1/4 * (dest height - 1))
2000  *
2001  * For progressive modes, TV_VSCALE_IP_INT should be set to zeroes.
2002  */
2003 # define TV_VSCALE_IP_INT_MASK		0x00038000
2004 # define TV_VSCALE_IP_INT_SHIFT		15
2005 /**
2006  * Sets the fractional part of the 3.15 fixed-point vertical scaling factor.
2007  *
2008  * For progressive modes, TV_VSCALE_IP_INT should be set to zeroes.
2009  *
2010  * \sa TV_VSCALE_IP_INT_MASK
2011  */
2012 # define TV_VSCALE_IP_FRAC_MASK		0x00007fff
2013 # define TV_VSCALE_IP_FRAC_SHIFT		0
2014 
2015 #define TV_CC_CONTROL		0x68090
2016 # define TV_CC_ENABLE			(1 << 31)
2017 /**
2018  * Specifies which field to send the CC data in.
2019  *
2020  * CC data is usually sent in field 0.
2021  */
2022 # define TV_CC_FID_MASK			(1 << 27)
2023 # define TV_CC_FID_SHIFT		27
2024 /** Sets the horizontal position of the CC data.  Usually 135. */
2025 # define TV_CC_HOFF_MASK		0x03ff0000
2026 # define TV_CC_HOFF_SHIFT		16
2027 /** Sets the vertical position of the CC data.  Usually 21 */
2028 # define TV_CC_LINE_MASK		0x0000003f
2029 # define TV_CC_LINE_SHIFT		0
2030 
2031 #define TV_CC_DATA		0x68094
2032 # define TV_CC_RDY			(1 << 31)
2033 /** Second word of CC data to be transmitted. */
2034 # define TV_CC_DATA_2_MASK		0x007f0000
2035 # define TV_CC_DATA_2_SHIFT		16
2036 /** First word of CC data to be transmitted. */
2037 # define TV_CC_DATA_1_MASK		0x0000007f
2038 # define TV_CC_DATA_1_SHIFT		0
2039 
2040 #define TV_H_LUMA_0		0x68100
2041 #define TV_H_LUMA_59		0x681ec
2042 #define TV_H_CHROMA_0		0x68200
2043 #define TV_H_CHROMA_59		0x682ec
2044 #define TV_V_LUMA_0		0x68300
2045 #define TV_V_LUMA_42		0x683a8
2046 #define TV_V_CHROMA_0		0x68400
2047 #define TV_V_CHROMA_42		0x684a8
2048 
2049 /* Display Port */
2050 #define DP_A				0x64000 /* eDP */
2051 #define DP_B				0x64100
2052 #define DP_C				0x64200
2053 #define DP_D				0x64300
2054 
2055 #define   DP_PORT_EN			(1 << 31)
2056 #define   DP_PIPEB_SELECT		(1 << 30)
2057 
2058 /* Link training mode - select a suitable mode for each stage */
2059 #define   DP_LINK_TRAIN_PAT_1		(0 << 28)
2060 #define   DP_LINK_TRAIN_PAT_2		(1 << 28)
2061 #define   DP_LINK_TRAIN_PAT_IDLE	(2 << 28)
2062 #define   DP_LINK_TRAIN_OFF		(3 << 28)
2063 #define   DP_LINK_TRAIN_MASK		(3 << 28)
2064 #define   DP_LINK_TRAIN_SHIFT		28
2065 
2066 /* CPT Link training mode */
2067 #define   DP_LINK_TRAIN_PAT_1_CPT	(0 << 8)
2068 #define   DP_LINK_TRAIN_PAT_2_CPT	(1 << 8)
2069 #define   DP_LINK_TRAIN_PAT_IDLE_CPT	(2 << 8)
2070 #define   DP_LINK_TRAIN_OFF_CPT		(3 << 8)
2071 #define   DP_LINK_TRAIN_MASK_CPT	(7 << 8)
2072 #define   DP_LINK_TRAIN_SHIFT_CPT	8
2073 
2074 /* Signal voltages. These are mostly controlled by the other end */
2075 #define   DP_VOLTAGE_0_4		(0 << 25)
2076 #define   DP_VOLTAGE_0_6		(1 << 25)
2077 #define   DP_VOLTAGE_0_8		(2 << 25)
2078 #define   DP_VOLTAGE_1_2		(3 << 25)
2079 #define   DP_VOLTAGE_MASK		(7 << 25)
2080 #define   DP_VOLTAGE_SHIFT		25
2081 
2082 /* Signal pre-emphasis levels, like voltages, the other end tells us what
2083  * they want
2084  */
2085 #define   DP_PRE_EMPHASIS_0		(0 << 22)
2086 #define   DP_PRE_EMPHASIS_3_5		(1 << 22)
2087 #define   DP_PRE_EMPHASIS_6		(2 << 22)
2088 #define   DP_PRE_EMPHASIS_9_5		(3 << 22)
2089 #define   DP_PRE_EMPHASIS_MASK		(7 << 22)
2090 #define   DP_PRE_EMPHASIS_SHIFT		22
2091 
2092 /* How many wires to use. I guess 3 was too hard */
2093 #define   DP_PORT_WIDTH_1		(0 << 19)
2094 #define   DP_PORT_WIDTH_2		(1 << 19)
2095 #define   DP_PORT_WIDTH_4		(3 << 19)
2096 #define   DP_PORT_WIDTH_MASK		(7 << 19)
2097 
2098 /* Mystic DPCD version 1.1 special mode */
2099 #define   DP_ENHANCED_FRAMING		(1 << 18)
2100 
2101 /* eDP */
2102 #define   DP_PLL_FREQ_270MHZ		(0 << 16)
2103 #define   DP_PLL_FREQ_160MHZ		(1 << 16)
2104 #define   DP_PLL_FREQ_MASK		(3 << 16)
2105 
2106 /** locked once port is enabled */
2107 #define   DP_PORT_REVERSAL		(1 << 15)
2108 
2109 /* eDP */
2110 #define   DP_PLL_ENABLE			(1 << 14)
2111 
2112 /** sends the clock on lane 15 of the PEG for debug */
2113 #define   DP_CLOCK_OUTPUT_ENABLE	(1 << 13)
2114 
2115 #define   DP_SCRAMBLING_DISABLE		(1 << 12)
2116 #define   DP_SCRAMBLING_DISABLE_IRONLAKE	(1 << 7)
2117 
2118 /** limit RGB values to avoid confusing TVs */
2119 #define   DP_COLOR_RANGE_16_235		(1 << 8)
2120 
2121 /** Turn on the audio link */
2122 #define   DP_AUDIO_OUTPUT_ENABLE	(1 << 6)
2123 
2124 /** vs and hs sync polarity */
2125 #define   DP_SYNC_VS_HIGH		(1 << 4)
2126 #define   DP_SYNC_HS_HIGH		(1 << 3)
2127 
2128 /** A fantasy */
2129 #define   DP_DETECTED			(1 << 2)
2130 
2131 /** The aux channel provides a way to talk to the
2132  * signal sink for DDC etc. Max packet size supported
2133  * is 20 bytes in each direction, hence the 5 fixed
2134  * data registers
2135  */
2136 #define DPA_AUX_CH_CTL			0x64010
2137 #define DPA_AUX_CH_DATA1		0x64014
2138 #define DPA_AUX_CH_DATA2		0x64018
2139 #define DPA_AUX_CH_DATA3		0x6401c
2140 #define DPA_AUX_CH_DATA4		0x64020
2141 #define DPA_AUX_CH_DATA5		0x64024
2142 
2143 #define DPB_AUX_CH_CTL			0x64110
2144 #define DPB_AUX_CH_DATA1		0x64114
2145 #define DPB_AUX_CH_DATA2		0x64118
2146 #define DPB_AUX_CH_DATA3		0x6411c
2147 #define DPB_AUX_CH_DATA4		0x64120
2148 #define DPB_AUX_CH_DATA5		0x64124
2149 
2150 #define DPC_AUX_CH_CTL			0x64210
2151 #define DPC_AUX_CH_DATA1		0x64214
2152 #define DPC_AUX_CH_DATA2		0x64218
2153 #define DPC_AUX_CH_DATA3		0x6421c
2154 #define DPC_AUX_CH_DATA4		0x64220
2155 #define DPC_AUX_CH_DATA5		0x64224
2156 
2157 #define DPD_AUX_CH_CTL			0x64310
2158 #define DPD_AUX_CH_DATA1		0x64314
2159 #define DPD_AUX_CH_DATA2		0x64318
2160 #define DPD_AUX_CH_DATA3		0x6431c
2161 #define DPD_AUX_CH_DATA4		0x64320
2162 #define DPD_AUX_CH_DATA5		0x64324
2163 
2164 #define   DP_AUX_CH_CTL_SEND_BUSY	    (1 << 31)
2165 #define   DP_AUX_CH_CTL_DONE		    (1 << 30)
2166 #define   DP_AUX_CH_CTL_INTERRUPT	    (1 << 29)
2167 #define   DP_AUX_CH_CTL_TIME_OUT_ERROR	    (1 << 28)
2168 #define   DP_AUX_CH_CTL_TIME_OUT_400us	    (0 << 26)
2169 #define   DP_AUX_CH_CTL_TIME_OUT_600us	    (1 << 26)
2170 #define   DP_AUX_CH_CTL_TIME_OUT_800us	    (2 << 26)
2171 #define   DP_AUX_CH_CTL_TIME_OUT_1600us	    (3 << 26)
2172 #define   DP_AUX_CH_CTL_TIME_OUT_MASK	    (3 << 26)
2173 #define   DP_AUX_CH_CTL_RECEIVE_ERROR	    (1 << 25)
2174 #define   DP_AUX_CH_CTL_MESSAGE_SIZE_MASK    (0x1f << 20)
2175 #define   DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT   20
2176 #define   DP_AUX_CH_CTL_PRECHARGE_2US_MASK   (0xf << 16)
2177 #define   DP_AUX_CH_CTL_PRECHARGE_2US_SHIFT  16
2178 #define   DP_AUX_CH_CTL_AUX_AKSV_SELECT	    (1 << 15)
2179 #define   DP_AUX_CH_CTL_MANCHESTER_TEST	    (1 << 14)
2180 #define   DP_AUX_CH_CTL_SYNC_TEST	    (1 << 13)
2181 #define   DP_AUX_CH_CTL_DEGLITCH_TEST	    (1 << 12)
2182 #define   DP_AUX_CH_CTL_PRECHARGE_TEST	    (1 << 11)
2183 #define   DP_AUX_CH_CTL_BIT_CLOCK_2X_MASK    (0x7ff)
2184 #define   DP_AUX_CH_CTL_BIT_CLOCK_2X_SHIFT   0
2185 
2186 /*
2187  * Computing GMCH M and N values for the Display Port link
2188  *
2189  * GMCH M/N = dot clock * bytes per pixel / ls_clk * # of lanes
2190  *
2191  * ls_clk (we assume) is the DP link clock (1.62 or 2.7 GHz)
2192  *
2193  * The GMCH value is used internally
2194  *
2195  * bytes_per_pixel is the number of bytes coming out of the plane,
2196  * which is after the LUTs, so we want the bytes for our color format.
2197  * For our current usage, this is always 3, one byte for R, G and B.
2198  */
2199 #define PIPEA_GMCH_DATA_M			0x70050
2200 #define PIPEB_GMCH_DATA_M			0x71050
2201 
2202 /* Transfer unit size for display port - 1, default is 0x3f (for TU size 64) */
2203 #define   PIPE_GMCH_DATA_M_TU_SIZE_MASK		(0x3f << 25)
2204 #define   PIPE_GMCH_DATA_M_TU_SIZE_SHIFT	25
2205 
2206 #define   PIPE_GMCH_DATA_M_MASK			(0xffffff)
2207 
2208 #define PIPEA_GMCH_DATA_N			0x70054
2209 #define PIPEB_GMCH_DATA_N			0x71054
2210 #define   PIPE_GMCH_DATA_N_MASK			(0xffffff)
2211 
2212 /*
2213  * Computing Link M and N values for the Display Port link
2214  *
2215  * Link M / N = pixel_clock / ls_clk
2216  *
2217  * (the DP spec calls pixel_clock the 'strm_clk')
2218  *
2219  * The Link value is transmitted in the Main Stream
2220  * Attributes and VB-ID.
2221  */
2222 
2223 #define PIPEA_DP_LINK_M				0x70060
2224 #define PIPEB_DP_LINK_M				0x71060
2225 #define   PIPEA_DP_LINK_M_MASK			(0xffffff)
2226 
2227 #define PIPEA_DP_LINK_N				0x70064
2228 #define PIPEB_DP_LINK_N				0x71064
2229 #define   PIPEA_DP_LINK_N_MASK			(0xffffff)
2230 
2231 /* Display & cursor control */
2232 
2233 /* Pipe A */
2234 #define PIPEADSL		0x70000
2235 #define   DSL_LINEMASK		0x00000fff
2236 #define PIPEACONF		0x70008
2237 #define   PIPECONF_ENABLE	(1<<31)
2238 #define   PIPECONF_DISABLE	0
2239 #define   PIPECONF_DOUBLE_WIDE	(1<<30)
2240 #define   I965_PIPECONF_ACTIVE	(1<<30)
2241 #define   PIPECONF_SINGLE_WIDE	0
2242 #define   PIPECONF_PIPE_UNLOCKED 0
2243 #define   PIPECONF_PIPE_LOCKED	(1<<25)
2244 #define   PIPECONF_PALETTE	0
2245 #define   PIPECONF_GAMMA		(1<<24)
2246 #define   PIPECONF_FORCE_BORDER	(1<<25)
2247 #define   PIPECONF_PROGRESSIVE	(0 << 21)
2248 #define   PIPECONF_INTERLACE_W_FIELD_INDICATION	(6 << 21)
2249 #define   PIPECONF_INTERLACE_FIELD_0_ONLY		(7 << 21)
2250 #define   PIPECONF_CXSR_DOWNCLOCK	(1<<16)
2251 #define   PIPECONF_BPP_MASK	(0x000000e0)
2252 #define   PIPECONF_BPP_8	(0<<5)
2253 #define   PIPECONF_BPP_10	(1<<5)
2254 #define   PIPECONF_BPP_6	(2<<5)
2255 #define   PIPECONF_BPP_12	(3<<5)
2256 #define   PIPECONF_DITHER_EN	(1<<4)
2257 #define   PIPECONF_DITHER_TYPE_MASK (0x0000000c)
2258 #define   PIPECONF_DITHER_TYPE_SP (0<<2)
2259 #define   PIPECONF_DITHER_TYPE_ST1 (1<<2)
2260 #define   PIPECONF_DITHER_TYPE_ST2 (2<<2)
2261 #define   PIPECONF_DITHER_TYPE_TEMP (3<<2)
2262 #define PIPEASTAT		0x70024
2263 #define   PIPE_FIFO_UNDERRUN_STATUS		(1UL<<31)
2264 #define   PIPE_CRC_ERROR_ENABLE			(1UL<<29)
2265 #define   PIPE_CRC_DONE_ENABLE			(1UL<<28)
2266 #define   PIPE_GMBUS_EVENT_ENABLE		(1UL<<27)
2267 #define   PIPE_HOTPLUG_INTERRUPT_ENABLE		(1UL<<26)
2268 #define   PIPE_VSYNC_INTERRUPT_ENABLE		(1UL<<25)
2269 #define   PIPE_DISPLAY_LINE_COMPARE_ENABLE	(1UL<<24)
2270 #define   PIPE_DPST_EVENT_ENABLE		(1UL<<23)
2271 #define   PIPE_LEGACY_BLC_EVENT_ENABLE		(1UL<<22)
2272 #define   PIPE_ODD_FIELD_INTERRUPT_ENABLE	(1UL<<21)
2273 #define   PIPE_EVEN_FIELD_INTERRUPT_ENABLE	(1UL<<20)
2274 #define   PIPE_HOTPLUG_TV_INTERRUPT_ENABLE	(1UL<<18) /* pre-965 */
2275 #define   PIPE_START_VBLANK_INTERRUPT_ENABLE	(1UL<<18) /* 965 or later */
2276 #define   PIPE_VBLANK_INTERRUPT_ENABLE		(1UL<<17)
2277 #define   PIPE_OVERLAY_UPDATED_ENABLE		(1UL<<16)
2278 #define   PIPE_CRC_ERROR_INTERRUPT_STATUS	(1UL<<13)
2279 #define   PIPE_CRC_DONE_INTERRUPT_STATUS	(1UL<<12)
2280 #define   PIPE_GMBUS_INTERRUPT_STATUS		(1UL<<11)
2281 #define   PIPE_HOTPLUG_INTERRUPT_STATUS		(1UL<<10)
2282 #define   PIPE_VSYNC_INTERRUPT_STATUS		(1UL<<9)
2283 #define   PIPE_DISPLAY_LINE_COMPARE_STATUS	(1UL<<8)
2284 #define   PIPE_DPST_EVENT_STATUS		(1UL<<7)
2285 #define   PIPE_LEGACY_BLC_EVENT_STATUS		(1UL<<6)
2286 #define   PIPE_ODD_FIELD_INTERRUPT_STATUS	(1UL<<5)
2287 #define   PIPE_EVEN_FIELD_INTERRUPT_STATUS	(1UL<<4)
2288 #define   PIPE_HOTPLUG_TV_INTERRUPT_STATUS	(1UL<<2) /* pre-965 */
2289 #define   PIPE_START_VBLANK_INTERRUPT_STATUS	(1UL<<2) /* 965 or later */
2290 #define   PIPE_VBLANK_INTERRUPT_STATUS		(1UL<<1)
2291 #define   PIPE_OVERLAY_UPDATED_STATUS		(1UL<<0)
2292 #define   PIPE_BPC_MASK				(7 << 5) /* Ironlake */
2293 #define   PIPE_8BPC				(0 << 5)
2294 #define   PIPE_10BPC				(1 << 5)
2295 #define   PIPE_6BPC				(2 << 5)
2296 #define   PIPE_12BPC				(3 << 5)
2297 
2298 #define PIPESRC(pipe) _PIPE(pipe, PIPEASRC, PIPEBSRC)
2299 #define PIPECONF(pipe) _PIPE(pipe, PIPEACONF, PIPEBCONF)
2300 #define PIPEDSL(pipe)  _PIPE(pipe, PIPEADSL, PIPEBDSL)
2301 #define PIPEFRAMEPIXEL(pipe)  _PIPE(pipe, PIPEAFRAMEPIXEL, PIPEBFRAMEPIXEL)
2302 
2303 #define DSPARB			0x70030
2304 #define   DSPARB_CSTART_MASK	(0x7f << 7)
2305 #define   DSPARB_CSTART_SHIFT	7
2306 #define   DSPARB_BSTART_MASK	(0x7f)
2307 #define   DSPARB_BSTART_SHIFT	0
2308 #define   DSPARB_BEND_SHIFT	9 /* on 855 */
2309 #define   DSPARB_AEND_SHIFT	0
2310 
2311 #define DSPFW1			0x70034
2312 #define   DSPFW_SR_SHIFT	23
2313 #define   DSPFW_SR_MASK 	(0x1ff<<23)
2314 #define   DSPFW_CURSORB_SHIFT	16
2315 #define   DSPFW_CURSORB_MASK	(0x3f<<16)
2316 #define   DSPFW_PLANEB_SHIFT	8
2317 #define   DSPFW_PLANEB_MASK	(0x7f<<8)
2318 #define   DSPFW_PLANEA_MASK	(0x7f)
2319 #define DSPFW2			0x70038
2320 #define   DSPFW_CURSORA_MASK	0x00003f00
2321 #define   DSPFW_CURSORA_SHIFT	8
2322 #define   DSPFW_PLANEC_MASK	(0x7f)
2323 #define DSPFW3			0x7003c
2324 #define   DSPFW_HPLL_SR_EN	(1<<31)
2325 #define   DSPFW_CURSOR_SR_SHIFT	24
2326 #define   PINEVIEW_SELF_REFRESH_EN	(1<<30)
2327 #define   DSPFW_CURSOR_SR_MASK		(0x3f<<24)
2328 #define   DSPFW_HPLL_CURSOR_SHIFT	16
2329 #define   DSPFW_HPLL_CURSOR_MASK	(0x3f<<16)
2330 #define   DSPFW_HPLL_SR_MASK		(0x1ff)
2331 
2332 /* FIFO watermark sizes etc */
2333 #define G4X_FIFO_LINE_SIZE	64
2334 #define I915_FIFO_LINE_SIZE	64
2335 #define I830_FIFO_LINE_SIZE	32
2336 
2337 #define G4X_FIFO_SIZE		127
2338 #define I965_FIFO_SIZE		512
2339 #define I945_FIFO_SIZE		127
2340 #define I915_FIFO_SIZE		95
2341 #define I855GM_FIFO_SIZE	127 /* In cachelines */
2342 #define I830_FIFO_SIZE		95
2343 
2344 #define G4X_MAX_WM		0x3f
2345 #define I915_MAX_WM		0x3f
2346 
2347 #define PINEVIEW_DISPLAY_FIFO	512 /* in 64byte unit */
2348 #define PINEVIEW_FIFO_LINE_SIZE	64
2349 #define PINEVIEW_MAX_WM		0x1ff
2350 #define PINEVIEW_DFT_WM		0x3f
2351 #define PINEVIEW_DFT_HPLLOFF_WM	0
2352 #define PINEVIEW_GUARD_WM		10
2353 #define PINEVIEW_CURSOR_FIFO		64
2354 #define PINEVIEW_CURSOR_MAX_WM	0x3f
2355 #define PINEVIEW_CURSOR_DFT_WM	0
2356 #define PINEVIEW_CURSOR_GUARD_WM	5
2357 
2358 #define I965_CURSOR_FIFO	64
2359 #define I965_CURSOR_MAX_WM	32
2360 #define I965_CURSOR_DFT_WM	8
2361 
2362 /* define the Watermark register on Ironlake */
2363 #define WM0_PIPEA_ILK		0x45100
2364 #define  WM0_PIPE_PLANE_MASK	(0x7f<<16)
2365 #define  WM0_PIPE_PLANE_SHIFT	16
2366 #define  WM0_PIPE_SPRITE_MASK	(0x3f<<8)
2367 #define  WM0_PIPE_SPRITE_SHIFT	8
2368 #define  WM0_PIPE_CURSOR_MASK	(0x1f)
2369 
2370 #define WM0_PIPEB_ILK		0x45104
2371 #define WM1_LP_ILK		0x45108
2372 #define  WM1_LP_SR_EN		(1<<31)
2373 #define  WM1_LP_LATENCY_SHIFT	24
2374 #define  WM1_LP_LATENCY_MASK	(0x7f<<24)
2375 #define  WM1_LP_FBC_MASK	(0xf<<20)
2376 #define  WM1_LP_FBC_SHIFT	20
2377 #define  WM1_LP_SR_MASK		(0x1ff<<8)
2378 #define  WM1_LP_SR_SHIFT	8
2379 #define  WM1_LP_CURSOR_MASK	(0x3f)
2380 #define WM2_LP_ILK		0x4510c
2381 #define  WM2_LP_EN		(1<<31)
2382 #define WM3_LP_ILK		0x45110
2383 #define  WM3_LP_EN		(1<<31)
2384 #define WM1S_LP_ILK		0x45120
2385 #define  WM1S_LP_EN		(1<<31)
2386 
2387 /* Memory latency timer register */
2388 #define MLTR_ILK		0x11222
2389 #define  MLTR_WM1_SHIFT		0
2390 #define  MLTR_WM2_SHIFT		8
2391 /* the unit of memory self-refresh latency time is 0.5us */
2392 #define  ILK_SRLT_MASK		0x3f
2393 #define ILK_LATENCY(shift)	(I915_READ(MLTR_ILK) >> (shift) & ILK_SRLT_MASK)
2394 #define ILK_READ_WM1_LATENCY()	ILK_LATENCY(MLTR_WM1_SHIFT)
2395 #define ILK_READ_WM2_LATENCY()	ILK_LATENCY(MLTR_WM2_SHIFT)
2396 
2397 /* define the fifo size on Ironlake */
2398 #define ILK_DISPLAY_FIFO	128
2399 #define ILK_DISPLAY_MAXWM	64
2400 #define ILK_DISPLAY_DFTWM	8
2401 #define ILK_CURSOR_FIFO		32
2402 #define ILK_CURSOR_MAXWM	16
2403 #define ILK_CURSOR_DFTWM	8
2404 
2405 #define ILK_DISPLAY_SR_FIFO	512
2406 #define ILK_DISPLAY_MAX_SRWM	0x1ff
2407 #define ILK_DISPLAY_DFT_SRWM	0x3f
2408 #define ILK_CURSOR_SR_FIFO	64
2409 #define ILK_CURSOR_MAX_SRWM	0x3f
2410 #define ILK_CURSOR_DFT_SRWM	8
2411 
2412 #define ILK_FIFO_LINE_SIZE	64
2413 
2414 /* define the WM info on Sandybridge */
2415 #define SNB_DISPLAY_FIFO	128
2416 #define SNB_DISPLAY_MAXWM	0x7f	/* bit 16:22 */
2417 #define SNB_DISPLAY_DFTWM	8
2418 #define SNB_CURSOR_FIFO		32
2419 #define SNB_CURSOR_MAXWM	0x1f	/* bit 4:0 */
2420 #define SNB_CURSOR_DFTWM	8
2421 
2422 #define SNB_DISPLAY_SR_FIFO	512
2423 #define SNB_DISPLAY_MAX_SRWM	0x1ff	/* bit 16:8 */
2424 #define SNB_DISPLAY_DFT_SRWM	0x3f
2425 #define SNB_CURSOR_SR_FIFO	64
2426 #define SNB_CURSOR_MAX_SRWM	0x3f	/* bit 5:0 */
2427 #define SNB_CURSOR_DFT_SRWM	8
2428 
2429 #define SNB_FBC_MAX_SRWM	0xf	/* bit 23:20 */
2430 
2431 #define SNB_FIFO_LINE_SIZE	64
2432 
2433 
2434 /* the address where we get all kinds of latency value */
2435 #define SSKPD			0x5d10
2436 #define SSKPD_WM_MASK		0x3f
2437 #define SSKPD_WM0_SHIFT		0
2438 #define SSKPD_WM1_SHIFT		8
2439 #define SSKPD_WM2_SHIFT		16
2440 #define SSKPD_WM3_SHIFT		24
2441 
2442 #define SNB_LATENCY(shift)	(I915_READ(MCHBAR_MIRROR_BASE_SNB + SSKPD) >> (shift) & SSKPD_WM_MASK)
2443 #define SNB_READ_WM0_LATENCY()		SNB_LATENCY(SSKPD_WM0_SHIFT)
2444 #define SNB_READ_WM1_LATENCY()		SNB_LATENCY(SSKPD_WM1_SHIFT)
2445 #define SNB_READ_WM2_LATENCY()		SNB_LATENCY(SSKPD_WM2_SHIFT)
2446 #define SNB_READ_WM3_LATENCY()		SNB_LATENCY(SSKPD_WM3_SHIFT)
2447 
2448 /*
2449  * The two pipe frame counter registers are not synchronized, so
2450  * reading a stable value is somewhat tricky. The following code
2451  * should work:
2452  *
2453  *  do {
2454  *    high1 = ((INREG(PIPEAFRAMEHIGH) & PIPE_FRAME_HIGH_MASK) >>
2455  *             PIPE_FRAME_HIGH_SHIFT;
2456  *    low1 =  ((INREG(PIPEAFRAMEPIXEL) & PIPE_FRAME_LOW_MASK) >>
2457  *             PIPE_FRAME_LOW_SHIFT);
2458  *    high2 = ((INREG(PIPEAFRAMEHIGH) & PIPE_FRAME_HIGH_MASK) >>
2459  *             PIPE_FRAME_HIGH_SHIFT);
2460  *  } while (high1 != high2);
2461  *  frame = (high1 << 8) | low1;
2462  */
2463 #define PIPEAFRAMEHIGH          0x70040
2464 #define   PIPE_FRAME_HIGH_MASK    0x0000ffff
2465 #define   PIPE_FRAME_HIGH_SHIFT   0
2466 #define PIPEAFRAMEPIXEL         0x70044
2467 #define   PIPE_FRAME_LOW_MASK     0xff000000
2468 #define   PIPE_FRAME_LOW_SHIFT    24
2469 #define   PIPE_PIXEL_MASK         0x00ffffff
2470 #define   PIPE_PIXEL_SHIFT        0
2471 /* GM45+ just has to be different */
2472 #define PIPEA_FRMCOUNT_GM45	0x70040
2473 #define PIPEA_FLIPCOUNT_GM45	0x70044
2474 
2475 /* Cursor A & B regs */
2476 #define CURACNTR		0x70080
2477 /* Old style CUR*CNTR flags (desktop 8xx) */
2478 #define   CURSOR_ENABLE		0x80000000
2479 #define   CURSOR_GAMMA_ENABLE	0x40000000
2480 #define   CURSOR_STRIDE_MASK	0x30000000
2481 #define   CURSOR_FORMAT_SHIFT	24
2482 #define   CURSOR_FORMAT_MASK	(0x07 << CURSOR_FORMAT_SHIFT)
2483 #define   CURSOR_FORMAT_2C	(0x00 << CURSOR_FORMAT_SHIFT)
2484 #define   CURSOR_FORMAT_3C	(0x01 << CURSOR_FORMAT_SHIFT)
2485 #define   CURSOR_FORMAT_4C	(0x02 << CURSOR_FORMAT_SHIFT)
2486 #define   CURSOR_FORMAT_ARGB	(0x04 << CURSOR_FORMAT_SHIFT)
2487 #define   CURSOR_FORMAT_XRGB	(0x05 << CURSOR_FORMAT_SHIFT)
2488 /* New style CUR*CNTR flags */
2489 #define   CURSOR_MODE		0x27
2490 #define   CURSOR_MODE_DISABLE   0x00
2491 #define   CURSOR_MODE_64_32B_AX 0x07
2492 #define   CURSOR_MODE_64_ARGB_AX ((1 << 5) | CURSOR_MODE_64_32B_AX)
2493 #define   MCURSOR_PIPE_SELECT	(1 << 28)
2494 #define   MCURSOR_PIPE_A	0x00
2495 #define   MCURSOR_PIPE_B	(1 << 28)
2496 #define   MCURSOR_GAMMA_ENABLE  (1 << 26)
2497 #define CURABASE		0x70084
2498 #define CURAPOS			0x70088
2499 #define   CURSOR_POS_MASK       0x007FF
2500 #define   CURSOR_POS_SIGN       0x8000
2501 #define   CURSOR_X_SHIFT        0
2502 #define   CURSOR_Y_SHIFT        16
2503 #define CURSIZE			0x700a0
2504 #define CURBCNTR		0x700c0
2505 #define CURBBASE		0x700c4
2506 #define CURBPOS			0x700c8
2507 
2508 #define CURCNTR(pipe) _PIPE(pipe, CURACNTR, CURBCNTR)
2509 #define CURBASE(pipe) _PIPE(pipe, CURABASE, CURBBASE)
2510 #define CURPOS(pipe) _PIPE(pipe, CURAPOS, CURBPOS)
2511 
2512 /* Display A control */
2513 #define DSPACNTR                0x70180
2514 #define   DISPLAY_PLANE_ENABLE			(1<<31)
2515 #define   DISPLAY_PLANE_DISABLE			0
2516 #define   DISPPLANE_GAMMA_ENABLE		(1<<30)
2517 #define   DISPPLANE_GAMMA_DISABLE		0
2518 #define   DISPPLANE_PIXFORMAT_MASK		(0xf<<26)
2519 #define   DISPPLANE_8BPP			(0x2<<26)
2520 #define   DISPPLANE_15_16BPP			(0x4<<26)
2521 #define   DISPPLANE_16BPP			(0x5<<26)
2522 #define   DISPPLANE_32BPP_NO_ALPHA		(0x6<<26)
2523 #define   DISPPLANE_32BPP			(0x7<<26)
2524 #define   DISPPLANE_32BPP_30BIT_NO_ALPHA	(0xa<<26)
2525 #define   DISPPLANE_STEREO_ENABLE		(1<<25)
2526 #define   DISPPLANE_STEREO_DISABLE		0
2527 #define   DISPPLANE_SEL_PIPE_MASK		(1<<24)
2528 #define   DISPPLANE_SEL_PIPE_A			0
2529 #define   DISPPLANE_SEL_PIPE_B			(1<<24)
2530 #define   DISPPLANE_SRC_KEY_ENABLE		(1<<22)
2531 #define   DISPPLANE_SRC_KEY_DISABLE		0
2532 #define   DISPPLANE_LINE_DOUBLE			(1<<20)
2533 #define   DISPPLANE_NO_LINE_DOUBLE		0
2534 #define   DISPPLANE_STEREO_POLARITY_FIRST	0
2535 #define   DISPPLANE_STEREO_POLARITY_SECOND	(1<<18)
2536 #define   DISPPLANE_TRICKLE_FEED_DISABLE	(1<<14) /* Ironlake */
2537 #define   DISPPLANE_TILED			(1<<10)
2538 #define DSPAADDR		0x70184
2539 #define DSPASTRIDE		0x70188
2540 #define DSPAPOS			0x7018C /* reserved */
2541 #define DSPASIZE		0x70190
2542 #define DSPASURF		0x7019C /* 965+ only */
2543 #define DSPATILEOFF		0x701A4 /* 965+ only */
2544 
2545 #define DSPCNTR(plane) _PIPE(plane, DSPACNTR, DSPBCNTR)
2546 #define DSPADDR(plane) _PIPE(plane, DSPAADDR, DSPBADDR)
2547 #define DSPSTRIDE(plane) _PIPE(plane, DSPASTRIDE, DSPBSTRIDE)
2548 #define DSPPOS(plane) _PIPE(plane, DSPAPOS, DSPBPOS)
2549 #define DSPSIZE(plane) _PIPE(plane, DSPASIZE, DSPBSIZE)
2550 #define DSPSURF(plane) _PIPE(plane, DSPASURF, DSPBSURF)
2551 #define DSPTILEOFF(plane) _PIPE(plane, DSPATILEOFF, DSPBTILEOFF)
2552 
2553 /* VBIOS flags */
2554 #define SWF00			0x71410
2555 #define SWF01			0x71414
2556 #define SWF02			0x71418
2557 #define SWF03			0x7141c
2558 #define SWF04			0x71420
2559 #define SWF05			0x71424
2560 #define SWF06			0x71428
2561 #define SWF10			0x70410
2562 #define SWF11			0x70414
2563 #define SWF14			0x71420
2564 #define SWF30			0x72414
2565 #define SWF31			0x72418
2566 #define SWF32			0x7241c
2567 
2568 /* Pipe B */
2569 #define PIPEBDSL		0x71000
2570 #define PIPEBCONF		0x71008
2571 #define PIPEBSTAT		0x71024
2572 #define PIPEBFRAMEHIGH		0x71040
2573 #define PIPEBFRAMEPIXEL		0x71044
2574 #define PIPEB_FRMCOUNT_GM45	0x71040
2575 #define PIPEB_FLIPCOUNT_GM45	0x71044
2576 
2577 
2578 /* Display B control */
2579 #define DSPBCNTR		0x71180
2580 #define   DISPPLANE_ALPHA_TRANS_ENABLE		(1<<15)
2581 #define   DISPPLANE_ALPHA_TRANS_DISABLE		0
2582 #define   DISPPLANE_SPRITE_ABOVE_DISPLAY	0
2583 #define   DISPPLANE_SPRITE_ABOVE_OVERLAY	(1)
2584 #define DSPBADDR		0x71184
2585 #define DSPBSTRIDE		0x71188
2586 #define DSPBPOS			0x7118C
2587 #define DSPBSIZE		0x71190
2588 #define DSPBSURF		0x7119C
2589 #define DSPBTILEOFF		0x711A4
2590 
2591 /* VBIOS regs */
2592 #define VGACNTRL		0x71400
2593 # define VGA_DISP_DISABLE			(1 << 31)
2594 # define VGA_2X_MODE				(1 << 30)
2595 # define VGA_PIPE_B_SELECT			(1 << 29)
2596 
2597 /* Ironlake */
2598 
2599 #define CPU_VGACNTRL	0x41000
2600 
2601 #define DIGITAL_PORT_HOTPLUG_CNTRL      0x44030
2602 #define  DIGITAL_PORTA_HOTPLUG_ENABLE           (1 << 4)
2603 #define  DIGITAL_PORTA_SHORT_PULSE_2MS          (0 << 2)
2604 #define  DIGITAL_PORTA_SHORT_PULSE_4_5MS        (1 << 2)
2605 #define  DIGITAL_PORTA_SHORT_PULSE_6MS          (2 << 2)
2606 #define  DIGITAL_PORTA_SHORT_PULSE_100MS        (3 << 2)
2607 #define  DIGITAL_PORTA_NO_DETECT                (0 << 0)
2608 #define  DIGITAL_PORTA_LONG_PULSE_DETECT_MASK   (1 << 1)
2609 #define  DIGITAL_PORTA_SHORT_PULSE_DETECT_MASK  (1 << 0)
2610 
2611 /* refresh rate hardware control */
2612 #define RR_HW_CTL       0x45300
2613 #define  RR_HW_LOW_POWER_FRAMES_MASK    0xff
2614 #define  RR_HW_HIGH_POWER_FRAMES_MASK   0xff00
2615 
2616 #define FDI_PLL_BIOS_0  0x46000
2617 #define  FDI_PLL_FB_CLOCK_MASK  0xff
2618 #define FDI_PLL_BIOS_1  0x46004
2619 #define FDI_PLL_BIOS_2  0x46008
2620 #define DISPLAY_PORT_PLL_BIOS_0         0x4600c
2621 #define DISPLAY_PORT_PLL_BIOS_1         0x46010
2622 #define DISPLAY_PORT_PLL_BIOS_2         0x46014
2623 
2624 #define PCH_DSPCLK_GATE_D	0x42020
2625 # define DPFCUNIT_CLOCK_GATE_DISABLE		(1 << 9)
2626 # define DPFCRUNIT_CLOCK_GATE_DISABLE		(1 << 8)
2627 # define DPFDUNIT_CLOCK_GATE_DISABLE		(1 << 7)
2628 # define DPARBUNIT_CLOCK_GATE_DISABLE		(1 << 5)
2629 
2630 #define PCH_3DCGDIS0		0x46020
2631 # define MARIUNIT_CLOCK_GATE_DISABLE		(1 << 18)
2632 # define SVSMUNIT_CLOCK_GATE_DISABLE		(1 << 1)
2633 
2634 #define PCH_3DCGDIS1		0x46024
2635 # define VFMUNIT_CLOCK_GATE_DISABLE		(1 << 11)
2636 
2637 #define FDI_PLL_FREQ_CTL        0x46030
2638 #define  FDI_PLL_FREQ_CHANGE_REQUEST    (1<<24)
2639 #define  FDI_PLL_FREQ_LOCK_LIMIT_MASK   0xfff00
2640 #define  FDI_PLL_FREQ_DISABLE_COUNT_LIMIT_MASK  0xff
2641 
2642 
2643 #define PIPEA_DATA_M1           0x60030
2644 #define  TU_SIZE(x)             (((x)-1) << 25) /* default size 64 */
2645 #define  TU_SIZE_MASK           0x7e000000
2646 #define  PIPE_DATA_M1_OFFSET    0
2647 #define PIPEA_DATA_N1           0x60034
2648 #define  PIPE_DATA_N1_OFFSET    0
2649 
2650 #define PIPEA_DATA_M2           0x60038
2651 #define  PIPE_DATA_M2_OFFSET    0
2652 #define PIPEA_DATA_N2           0x6003c
2653 #define  PIPE_DATA_N2_OFFSET    0
2654 
2655 #define PIPEA_LINK_M1           0x60040
2656 #define  PIPE_LINK_M1_OFFSET    0
2657 #define PIPEA_LINK_N1           0x60044
2658 #define  PIPE_LINK_N1_OFFSET    0
2659 
2660 #define PIPEA_LINK_M2           0x60048
2661 #define  PIPE_LINK_M2_OFFSET    0
2662 #define PIPEA_LINK_N2           0x6004c
2663 #define  PIPE_LINK_N2_OFFSET    0
2664 
2665 /* PIPEB timing regs are same start from 0x61000 */
2666 
2667 #define PIPEB_DATA_M1           0x61030
2668 #define PIPEB_DATA_N1           0x61034
2669 
2670 #define PIPEB_DATA_M2           0x61038
2671 #define PIPEB_DATA_N2           0x6103c
2672 
2673 #define PIPEB_LINK_M1           0x61040
2674 #define PIPEB_LINK_N1           0x61044
2675 
2676 #define PIPEB_LINK_M2           0x61048
2677 #define PIPEB_LINK_N2           0x6104c
2678 
2679 #define PIPE_DATA_M1(pipe) _PIPE(pipe, PIPEA_DATA_M1, PIPEB_DATA_M1)
2680 #define PIPE_DATA_N1(pipe) _PIPE(pipe, PIPEA_DATA_N1, PIPEB_DATA_N1)
2681 #define PIPE_DATA_M2(pipe) _PIPE(pipe, PIPEA_DATA_M2, PIPEB_DATA_M2)
2682 #define PIPE_DATA_N2(pipe) _PIPE(pipe, PIPEA_DATA_N2, PIPEB_DATA_N2)
2683 #define PIPE_LINK_M1(pipe) _PIPE(pipe, PIPEA_LINK_M1, PIPEB_LINK_M1)
2684 #define PIPE_LINK_N1(pipe) _PIPE(pipe, PIPEA_LINK_N1, PIPEB_LINK_N1)
2685 #define PIPE_LINK_M2(pipe) _PIPE(pipe, PIPEA_LINK_M2, PIPEB_LINK_M2)
2686 #define PIPE_LINK_N2(pipe) _PIPE(pipe, PIPEA_LINK_N2, PIPEB_LINK_N2)
2687 
2688 /* CPU panel fitter */
2689 #define PFA_CTL_1               0x68080
2690 #define PFB_CTL_1               0x68880
2691 #define  PF_ENABLE              (1<<31)
2692 #define  PF_FILTER_MASK		(3<<23)
2693 #define  PF_FILTER_PROGRAMMED	(0<<23)
2694 #define  PF_FILTER_MED_3x3	(1<<23)
2695 #define  PF_FILTER_EDGE_ENHANCE	(2<<23)
2696 #define  PF_FILTER_EDGE_SOFTEN	(3<<23)
2697 #define PFA_WIN_SZ		0x68074
2698 #define PFB_WIN_SZ		0x68874
2699 #define PFA_WIN_POS		0x68070
2700 #define PFB_WIN_POS		0x68870
2701 
2702 /* legacy palette */
2703 #define LGC_PALETTE_A           0x4a000
2704 #define LGC_PALETTE_B           0x4a800
2705 
2706 /* interrupts */
2707 #define DE_MASTER_IRQ_CONTROL   (1 << 31)
2708 #define DE_SPRITEB_FLIP_DONE    (1 << 29)
2709 #define DE_SPRITEA_FLIP_DONE    (1 << 28)
2710 #define DE_PLANEB_FLIP_DONE     (1 << 27)
2711 #define DE_PLANEA_FLIP_DONE     (1 << 26)
2712 #define DE_PCU_EVENT            (1 << 25)
2713 #define DE_GTT_FAULT            (1 << 24)
2714 #define DE_POISON               (1 << 23)
2715 #define DE_PERFORM_COUNTER      (1 << 22)
2716 #define DE_PCH_EVENT            (1 << 21)
2717 #define DE_AUX_CHANNEL_A        (1 << 20)
2718 #define DE_DP_A_HOTPLUG         (1 << 19)
2719 #define DE_GSE                  (1 << 18)
2720 #define DE_PIPEB_VBLANK         (1 << 15)
2721 #define DE_PIPEB_EVEN_FIELD     (1 << 14)
2722 #define DE_PIPEB_ODD_FIELD      (1 << 13)
2723 #define DE_PIPEB_LINE_COMPARE   (1 << 12)
2724 #define DE_PIPEB_VSYNC          (1 << 11)
2725 #define DE_PIPEB_FIFO_UNDERRUN  (1 << 8)
2726 #define DE_PIPEA_VBLANK         (1 << 7)
2727 #define DE_PIPEA_EVEN_FIELD     (1 << 6)
2728 #define DE_PIPEA_ODD_FIELD      (1 << 5)
2729 #define DE_PIPEA_LINE_COMPARE   (1 << 4)
2730 #define DE_PIPEA_VSYNC          (1 << 3)
2731 #define DE_PIPEA_FIFO_UNDERRUN  (1 << 0)
2732 
2733 #define DEISR   0x44000
2734 #define DEIMR   0x44004
2735 #define DEIIR   0x44008
2736 #define DEIER   0x4400c
2737 
2738 /* GT interrupt */
2739 #define GT_PIPE_NOTIFY		(1 << 4)
2740 #define GT_SYNC_STATUS          (1 << 2)
2741 #define GT_USER_INTERRUPT       (1 << 0)
2742 #define GT_BSD_USER_INTERRUPT   (1 << 5)
2743 #define GT_GEN6_BSD_USER_INTERRUPT	(1 << 12)
2744 #define GT_BLT_USER_INTERRUPT	(1 << 22)
2745 
2746 #define GTISR   0x44010
2747 #define GTIMR   0x44014
2748 #define GTIIR   0x44018
2749 #define GTIER   0x4401c
2750 
2751 #define ILK_DISPLAY_CHICKEN2	0x42004
2752 /* Required on all Ironlake and Sandybridge according to the B-Spec. */
2753 #define  ILK_ELPIN_409_SELECT	(1 << 25)
2754 #define  ILK_DPARB_GATE	(1<<22)
2755 #define  ILK_VSDPFD_FULL	(1<<21)
2756 #define ILK_DISPLAY_CHICKEN_FUSES	0x42014
2757 #define  ILK_INTERNAL_GRAPHICS_DISABLE	(1<<31)
2758 #define  ILK_INTERNAL_DISPLAY_DISABLE	(1<<30)
2759 #define  ILK_DISPLAY_DEBUG_DISABLE	(1<<29)
2760 #define  ILK_HDCP_DISABLE		(1<<25)
2761 #define  ILK_eDP_A_DISABLE		(1<<24)
2762 #define  ILK_DESKTOP			(1<<23)
2763 #define ILK_DSPCLK_GATE		0x42020
2764 #define  ILK_DPARB_CLK_GATE	(1<<5)
2765 #define  ILK_DPFD_CLK_GATE	(1<<7)
2766 
2767 /* According to spec this bit 7/8/9 of 0x42020 should be set to enable FBC */
2768 #define   ILK_CLK_FBC		(1<<7)
2769 #define   ILK_DPFC_DIS1		(1<<8)
2770 #define   ILK_DPFC_DIS2		(1<<9)
2771 
2772 #define DISP_ARB_CTL	0x45000
2773 #define  DISP_TILE_SURFACE_SWIZZLING	(1<<13)
2774 #define  DISP_FBC_WM_DIS		(1<<15)
2775 
2776 /* PCH */
2777 
2778 /* south display engine interrupt */
2779 #define SDE_AUDIO_POWER_D	(1 << 27)
2780 #define SDE_AUDIO_POWER_C	(1 << 26)
2781 #define SDE_AUDIO_POWER_B	(1 << 25)
2782 #define SDE_AUDIO_POWER_SHIFT	(25)
2783 #define SDE_AUDIO_POWER_MASK	(7 << SDE_AUDIO_POWER_SHIFT)
2784 #define SDE_GMBUS		(1 << 24)
2785 #define SDE_AUDIO_HDCP_TRANSB	(1 << 23)
2786 #define SDE_AUDIO_HDCP_TRANSA	(1 << 22)
2787 #define SDE_AUDIO_HDCP_MASK	(3 << 22)
2788 #define SDE_AUDIO_TRANSB	(1 << 21)
2789 #define SDE_AUDIO_TRANSA	(1 << 20)
2790 #define SDE_AUDIO_TRANS_MASK	(3 << 20)
2791 #define SDE_POISON		(1 << 19)
2792 /* 18 reserved */
2793 #define SDE_FDI_RXB		(1 << 17)
2794 #define SDE_FDI_RXA		(1 << 16)
2795 #define SDE_FDI_MASK		(3 << 16)
2796 #define SDE_AUXD		(1 << 15)
2797 #define SDE_AUXC		(1 << 14)
2798 #define SDE_AUXB		(1 << 13)
2799 #define SDE_AUX_MASK		(7 << 13)
2800 /* 12 reserved */
2801 #define SDE_CRT_HOTPLUG         (1 << 11)
2802 #define SDE_PORTD_HOTPLUG       (1 << 10)
2803 #define SDE_PORTC_HOTPLUG       (1 << 9)
2804 #define SDE_PORTB_HOTPLUG       (1 << 8)
2805 #define SDE_SDVOB_HOTPLUG       (1 << 6)
2806 #define SDE_HOTPLUG_MASK	(0xf << 8)
2807 #define SDE_TRANSB_CRC_DONE	(1 << 5)
2808 #define SDE_TRANSB_CRC_ERR	(1 << 4)
2809 #define SDE_TRANSB_FIFO_UNDER	(1 << 3)
2810 #define SDE_TRANSA_CRC_DONE	(1 << 2)
2811 #define SDE_TRANSA_CRC_ERR	(1 << 1)
2812 #define SDE_TRANSA_FIFO_UNDER	(1 << 0)
2813 #define SDE_TRANS_MASK		(0x3f)
2814 /* CPT */
2815 #define SDE_CRT_HOTPLUG_CPT	(1 << 19)
2816 #define SDE_PORTD_HOTPLUG_CPT	(1 << 23)
2817 #define SDE_PORTC_HOTPLUG_CPT	(1 << 22)
2818 #define SDE_PORTB_HOTPLUG_CPT	(1 << 21)
2819 #define SDE_HOTPLUG_MASK_CPT	(SDE_CRT_HOTPLUG_CPT |		\
2820 				 SDE_PORTD_HOTPLUG_CPT |	\
2821 				 SDE_PORTC_HOTPLUG_CPT |	\
2822 				 SDE_PORTB_HOTPLUG_CPT)
2823 
2824 #define SDEISR  0xc4000
2825 #define SDEIMR  0xc4004
2826 #define SDEIIR  0xc4008
2827 #define SDEIER  0xc400c
2828 
2829 /* digital port hotplug */
2830 #define PCH_PORT_HOTPLUG        0xc4030
2831 #define PORTD_HOTPLUG_ENABLE            (1 << 20)
2832 #define PORTD_PULSE_DURATION_2ms        (0)
2833 #define PORTD_PULSE_DURATION_4_5ms      (1 << 18)
2834 #define PORTD_PULSE_DURATION_6ms        (2 << 18)
2835 #define PORTD_PULSE_DURATION_100ms      (3 << 18)
2836 #define PORTD_HOTPLUG_NO_DETECT         (0)
2837 #define PORTD_HOTPLUG_SHORT_DETECT      (1 << 16)
2838 #define PORTD_HOTPLUG_LONG_DETECT       (1 << 17)
2839 #define PORTC_HOTPLUG_ENABLE            (1 << 12)
2840 #define PORTC_PULSE_DURATION_2ms        (0)
2841 #define PORTC_PULSE_DURATION_4_5ms      (1 << 10)
2842 #define PORTC_PULSE_DURATION_6ms        (2 << 10)
2843 #define PORTC_PULSE_DURATION_100ms      (3 << 10)
2844 #define PORTC_HOTPLUG_NO_DETECT         (0)
2845 #define PORTC_HOTPLUG_SHORT_DETECT      (1 << 8)
2846 #define PORTC_HOTPLUG_LONG_DETECT       (1 << 9)
2847 #define PORTB_HOTPLUG_ENABLE            (1 << 4)
2848 #define PORTB_PULSE_DURATION_2ms        (0)
2849 #define PORTB_PULSE_DURATION_4_5ms      (1 << 2)
2850 #define PORTB_PULSE_DURATION_6ms        (2 << 2)
2851 #define PORTB_PULSE_DURATION_100ms      (3 << 2)
2852 #define PORTB_HOTPLUG_NO_DETECT         (0)
2853 #define PORTB_HOTPLUG_SHORT_DETECT      (1 << 0)
2854 #define PORTB_HOTPLUG_LONG_DETECT       (1 << 1)
2855 
2856 #define PCH_GPIOA               0xc5010
2857 #define PCH_GPIOB               0xc5014
2858 #define PCH_GPIOC               0xc5018
2859 #define PCH_GPIOD               0xc501c
2860 #define PCH_GPIOE               0xc5020
2861 #define PCH_GPIOF               0xc5024
2862 
2863 #define PCH_GMBUS0		0xc5100
2864 #define PCH_GMBUS1		0xc5104
2865 #define PCH_GMBUS2		0xc5108
2866 #define PCH_GMBUS3		0xc510c
2867 #define PCH_GMBUS4		0xc5110
2868 #define PCH_GMBUS5		0xc5120
2869 
2870 #define PCH_DPLL_A              0xc6014
2871 #define PCH_DPLL_B              0xc6018
2872 #define PCH_DPLL(pipe) _PIPE(pipe, PCH_DPLL_A, PCH_DPLL_B)
2873 
2874 #define PCH_FPA0                0xc6040
2875 #define  FP_CB_TUNE		(0x3<<22)
2876 #define PCH_FPA1                0xc6044
2877 #define PCH_FPB0                0xc6048
2878 #define PCH_FPB1                0xc604c
2879 #define PCH_FP0(pipe) _PIPE(pipe, PCH_FPA0, PCH_FPB0)
2880 #define PCH_FP1(pipe) _PIPE(pipe, PCH_FPA1, PCH_FPB1)
2881 
2882 #define PCH_DPLL_TEST           0xc606c
2883 
2884 #define PCH_DREF_CONTROL        0xC6200
2885 #define  DREF_CONTROL_MASK      0x7fc3
2886 #define  DREF_CPU_SOURCE_OUTPUT_DISABLE         (0<<13)
2887 #define  DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD      (2<<13)
2888 #define  DREF_CPU_SOURCE_OUTPUT_NONSPREAD       (3<<13)
2889 #define  DREF_CPU_SOURCE_OUTPUT_MASK		(3<<13)
2890 #define  DREF_SSC_SOURCE_DISABLE                (0<<11)
2891 #define  DREF_SSC_SOURCE_ENABLE                 (2<<11)
2892 #define  DREF_SSC_SOURCE_MASK			(3<<11)
2893 #define  DREF_NONSPREAD_SOURCE_DISABLE          (0<<9)
2894 #define  DREF_NONSPREAD_CK505_ENABLE		(1<<9)
2895 #define  DREF_NONSPREAD_SOURCE_ENABLE           (2<<9)
2896 #define  DREF_NONSPREAD_SOURCE_MASK		(3<<9)
2897 #define  DREF_SUPERSPREAD_SOURCE_DISABLE        (0<<7)
2898 #define  DREF_SUPERSPREAD_SOURCE_ENABLE         (2<<7)
2899 #define  DREF_SSC4_DOWNSPREAD                   (0<<6)
2900 #define  DREF_SSC4_CENTERSPREAD                 (1<<6)
2901 #define  DREF_SSC1_DISABLE                      (0<<1)
2902 #define  DREF_SSC1_ENABLE                       (1<<1)
2903 #define  DREF_SSC4_DISABLE                      (0)
2904 #define  DREF_SSC4_ENABLE                       (1)
2905 
2906 #define PCH_RAWCLK_FREQ         0xc6204
2907 #define  FDL_TP1_TIMER_SHIFT    12
2908 #define  FDL_TP1_TIMER_MASK     (3<<12)
2909 #define  FDL_TP2_TIMER_SHIFT    10
2910 #define  FDL_TP2_TIMER_MASK     (3<<10)
2911 #define  RAWCLK_FREQ_MASK       0x3ff
2912 
2913 #define PCH_DPLL_TMR_CFG        0xc6208
2914 
2915 #define PCH_SSC4_PARMS          0xc6210
2916 #define PCH_SSC4_AUX_PARMS      0xc6214
2917 
2918 #define PCH_DPLL_SEL		0xc7000
2919 #define  TRANSA_DPLL_ENABLE	(1<<3)
2920 #define	 TRANSA_DPLLB_SEL	(1<<0)
2921 #define	 TRANSA_DPLLA_SEL	0
2922 #define  TRANSB_DPLL_ENABLE	(1<<7)
2923 #define	 TRANSB_DPLLB_SEL	(1<<4)
2924 #define	 TRANSB_DPLLA_SEL	(0)
2925 #define  TRANSC_DPLL_ENABLE	(1<<11)
2926 #define	 TRANSC_DPLLB_SEL	(1<<8)
2927 #define	 TRANSC_DPLLA_SEL	(0)
2928 
2929 /* transcoder */
2930 
2931 #define TRANS_HTOTAL_A          0xe0000
2932 #define  TRANS_HTOTAL_SHIFT     16
2933 #define  TRANS_HACTIVE_SHIFT    0
2934 #define TRANS_HBLANK_A          0xe0004
2935 #define  TRANS_HBLANK_END_SHIFT 16
2936 #define  TRANS_HBLANK_START_SHIFT 0
2937 #define TRANS_HSYNC_A           0xe0008
2938 #define  TRANS_HSYNC_END_SHIFT  16
2939 #define  TRANS_HSYNC_START_SHIFT 0
2940 #define TRANS_VTOTAL_A          0xe000c
2941 #define  TRANS_VTOTAL_SHIFT     16
2942 #define  TRANS_VACTIVE_SHIFT    0
2943 #define TRANS_VBLANK_A          0xe0010
2944 #define  TRANS_VBLANK_END_SHIFT 16
2945 #define  TRANS_VBLANK_START_SHIFT 0
2946 #define TRANS_VSYNC_A           0xe0014
2947 #define  TRANS_VSYNC_END_SHIFT  16
2948 #define  TRANS_VSYNC_START_SHIFT 0
2949 
2950 #define TRANSA_DATA_M1          0xe0030
2951 #define TRANSA_DATA_N1          0xe0034
2952 #define TRANSA_DATA_M2          0xe0038
2953 #define TRANSA_DATA_N2          0xe003c
2954 #define TRANSA_DP_LINK_M1       0xe0040
2955 #define TRANSA_DP_LINK_N1       0xe0044
2956 #define TRANSA_DP_LINK_M2       0xe0048
2957 #define TRANSA_DP_LINK_N2       0xe004c
2958 
2959 #define TRANS_HTOTAL_B          0xe1000
2960 #define TRANS_HBLANK_B          0xe1004
2961 #define TRANS_HSYNC_B           0xe1008
2962 #define TRANS_VTOTAL_B          0xe100c
2963 #define TRANS_VBLANK_B          0xe1010
2964 #define TRANS_VSYNC_B           0xe1014
2965 
2966 #define TRANS_HTOTAL(pipe) _PIPE(pipe, TRANS_HTOTAL_A, TRANS_HTOTAL_B)
2967 #define TRANS_HBLANK(pipe) _PIPE(pipe, TRANS_HBLANK_A, TRANS_HBLANK_B)
2968 #define TRANS_HSYNC(pipe) _PIPE(pipe, TRANS_HSYNC_A, TRANS_HSYNC_B)
2969 #define TRANS_VTOTAL(pipe) _PIPE(pipe, TRANS_VTOTAL_A, TRANS_VTOTAL_B)
2970 #define TRANS_VBLANK(pipe) _PIPE(pipe, TRANS_VBLANK_A, TRANS_VBLANK_B)
2971 #define TRANS_VSYNC(pipe) _PIPE(pipe, TRANS_VSYNC_A, TRANS_VSYNC_B)
2972 
2973 #define TRANSB_DATA_M1          0xe1030
2974 #define TRANSB_DATA_N1          0xe1034
2975 #define TRANSB_DATA_M2          0xe1038
2976 #define TRANSB_DATA_N2          0xe103c
2977 #define TRANSB_DP_LINK_M1       0xe1040
2978 #define TRANSB_DP_LINK_N1       0xe1044
2979 #define TRANSB_DP_LINK_M2       0xe1048
2980 #define TRANSB_DP_LINK_N2       0xe104c
2981 
2982 #define TRANSACONF              0xf0008
2983 #define TRANSBCONF              0xf1008
2984 #define TRANSCONF(plane) _PIPE(plane, TRANSACONF, TRANSBCONF)
2985 #define  TRANS_DISABLE          (0<<31)
2986 #define  TRANS_ENABLE           (1<<31)
2987 #define  TRANS_STATE_MASK       (1<<30)
2988 #define  TRANS_STATE_DISABLE    (0<<30)
2989 #define  TRANS_STATE_ENABLE     (1<<30)
2990 #define  TRANS_FSYNC_DELAY_HB1  (0<<27)
2991 #define  TRANS_FSYNC_DELAY_HB2  (1<<27)
2992 #define  TRANS_FSYNC_DELAY_HB3  (2<<27)
2993 #define  TRANS_FSYNC_DELAY_HB4  (3<<27)
2994 #define  TRANS_DP_AUDIO_ONLY    (1<<26)
2995 #define  TRANS_DP_VIDEO_AUDIO   (0<<26)
2996 #define  TRANS_PROGRESSIVE      (0<<21)
2997 #define  TRANS_8BPC             (0<<5)
2998 #define  TRANS_10BPC            (1<<5)
2999 #define  TRANS_6BPC             (2<<5)
3000 #define  TRANS_12BPC            (3<<5)
3001 
3002 #define FDI_RXA_CHICKEN         0xc200c
3003 #define FDI_RXB_CHICKEN         0xc2010
3004 #define  FDI_RX_PHASE_SYNC_POINTER_ENABLE       (1)
3005 #define FDI_RX_CHICKEN(pipe) _PIPE(pipe, FDI_RXA_CHICKEN, FDI_RXB_CHICKEN)
3006 
3007 #define SOUTH_DSPCLK_GATE_D	0xc2020
3008 #define  PCH_DPLSUNIT_CLOCK_GATE_DISABLE (1<<29)
3009 
3010 /* CPU: FDI_TX */
3011 #define FDI_TXA_CTL             0x60100
3012 #define FDI_TXB_CTL             0x61100
3013 #define FDI_TX_CTL(pipe) _PIPE(pipe, FDI_TXA_CTL, FDI_TXB_CTL)
3014 #define  FDI_TX_DISABLE         (0<<31)
3015 #define  FDI_TX_ENABLE          (1<<31)
3016 #define  FDI_LINK_TRAIN_PATTERN_1       (0<<28)
3017 #define  FDI_LINK_TRAIN_PATTERN_2       (1<<28)
3018 #define  FDI_LINK_TRAIN_PATTERN_IDLE    (2<<28)
3019 #define  FDI_LINK_TRAIN_NONE            (3<<28)
3020 #define  FDI_LINK_TRAIN_VOLTAGE_0_4V    (0<<25)
3021 #define  FDI_LINK_TRAIN_VOLTAGE_0_6V    (1<<25)
3022 #define  FDI_LINK_TRAIN_VOLTAGE_0_8V    (2<<25)
3023 #define  FDI_LINK_TRAIN_VOLTAGE_1_2V    (3<<25)
3024 #define  FDI_LINK_TRAIN_PRE_EMPHASIS_NONE (0<<22)
3025 #define  FDI_LINK_TRAIN_PRE_EMPHASIS_1_5X (1<<22)
3026 #define  FDI_LINK_TRAIN_PRE_EMPHASIS_2X   (2<<22)
3027 #define  FDI_LINK_TRAIN_PRE_EMPHASIS_3X   (3<<22)
3028 /* ILK always use 400mV 0dB for voltage swing and pre-emphasis level.
3029    SNB has different settings. */
3030 /* SNB A-stepping */
3031 #define  FDI_LINK_TRAIN_400MV_0DB_SNB_A		(0x38<<22)
3032 #define  FDI_LINK_TRAIN_400MV_6DB_SNB_A		(0x02<<22)
3033 #define  FDI_LINK_TRAIN_600MV_3_5DB_SNB_A	(0x01<<22)
3034 #define  FDI_LINK_TRAIN_800MV_0DB_SNB_A		(0x0<<22)
3035 /* SNB B-stepping */
3036 #define  FDI_LINK_TRAIN_400MV_0DB_SNB_B		(0x0<<22)
3037 #define  FDI_LINK_TRAIN_400MV_6DB_SNB_B		(0x3a<<22)
3038 #define  FDI_LINK_TRAIN_600MV_3_5DB_SNB_B	(0x39<<22)
3039 #define  FDI_LINK_TRAIN_800MV_0DB_SNB_B		(0x38<<22)
3040 #define  FDI_LINK_TRAIN_VOL_EMP_MASK		(0x3f<<22)
3041 #define  FDI_DP_PORT_WIDTH_X1           (0<<19)
3042 #define  FDI_DP_PORT_WIDTH_X2           (1<<19)
3043 #define  FDI_DP_PORT_WIDTH_X3           (2<<19)
3044 #define  FDI_DP_PORT_WIDTH_X4           (3<<19)
3045 #define  FDI_TX_ENHANCE_FRAME_ENABLE    (1<<18)
3046 /* Ironlake: hardwired to 1 */
3047 #define  FDI_TX_PLL_ENABLE              (1<<14)
3048 /* both Tx and Rx */
3049 #define  FDI_SCRAMBLING_ENABLE          (0<<7)
3050 #define  FDI_SCRAMBLING_DISABLE         (1<<7)
3051 
3052 /* FDI_RX, FDI_X is hard-wired to Transcoder_X */
3053 #define FDI_RXA_CTL             0xf000c
3054 #define FDI_RXB_CTL             0xf100c
3055 #define FDI_RX_CTL(pipe) _PIPE(pipe, FDI_RXA_CTL, FDI_RXB_CTL)
3056 #define  FDI_RX_ENABLE          (1<<31)
3057 /* train, dp width same as FDI_TX */
3058 #define  FDI_DP_PORT_WIDTH_X8           (7<<19)
3059 #define  FDI_8BPC                       (0<<16)
3060 #define  FDI_10BPC                      (1<<16)
3061 #define  FDI_6BPC                       (2<<16)
3062 #define  FDI_12BPC                      (3<<16)
3063 #define  FDI_LINK_REVERSE_OVERWRITE     (1<<15)
3064 #define  FDI_DMI_LINK_REVERSE_MASK      (1<<14)
3065 #define  FDI_RX_PLL_ENABLE              (1<<13)
3066 #define  FDI_FS_ERR_CORRECT_ENABLE      (1<<11)
3067 #define  FDI_FE_ERR_CORRECT_ENABLE      (1<<10)
3068 #define  FDI_FS_ERR_REPORT_ENABLE       (1<<9)
3069 #define  FDI_FE_ERR_REPORT_ENABLE       (1<<8)
3070 #define  FDI_RX_ENHANCE_FRAME_ENABLE    (1<<6)
3071 #define  FDI_PCDCLK	                (1<<4)
3072 /* CPT */
3073 #define  FDI_AUTO_TRAINING			(1<<10)
3074 #define  FDI_LINK_TRAIN_PATTERN_1_CPT		(0<<8)
3075 #define  FDI_LINK_TRAIN_PATTERN_2_CPT		(1<<8)
3076 #define  FDI_LINK_TRAIN_PATTERN_IDLE_CPT	(2<<8)
3077 #define  FDI_LINK_TRAIN_NORMAL_CPT		(3<<8)
3078 #define  FDI_LINK_TRAIN_PATTERN_MASK_CPT	(3<<8)
3079 
3080 #define FDI_RXA_MISC            0xf0010
3081 #define FDI_RXB_MISC            0xf1010
3082 #define FDI_RXA_TUSIZE1         0xf0030
3083 #define FDI_RXA_TUSIZE2         0xf0038
3084 #define FDI_RXB_TUSIZE1         0xf1030
3085 #define FDI_RXB_TUSIZE2         0xf1038
3086 #define FDI_RX_MISC(pipe) _PIPE(pipe, FDI_RXA_MISC, FDI_RXB_MISC)
3087 #define FDI_RX_TUSIZE1(pipe) _PIPE(pipe, FDI_RXA_TUSIZE1, FDI_RXB_TUSIZE1)
3088 #define FDI_RX_TUSIZE2(pipe) _PIPE(pipe, FDI_RXA_TUSIZE2, FDI_RXB_TUSIZE2)
3089 
3090 /* FDI_RX interrupt register format */
3091 #define FDI_RX_INTER_LANE_ALIGN         (1<<10)
3092 #define FDI_RX_SYMBOL_LOCK              (1<<9) /* train 2 */
3093 #define FDI_RX_BIT_LOCK                 (1<<8) /* train 1 */
3094 #define FDI_RX_TRAIN_PATTERN_2_FAIL     (1<<7)
3095 #define FDI_RX_FS_CODE_ERR              (1<<6)
3096 #define FDI_RX_FE_CODE_ERR              (1<<5)
3097 #define FDI_RX_SYMBOL_ERR_RATE_ABOVE    (1<<4)
3098 #define FDI_RX_HDCP_LINK_FAIL           (1<<3)
3099 #define FDI_RX_PIXEL_FIFO_OVERFLOW      (1<<2)
3100 #define FDI_RX_CROSS_CLOCK_OVERFLOW     (1<<1)
3101 #define FDI_RX_SYMBOL_QUEUE_OVERFLOW    (1<<0)
3102 
3103 #define FDI_RXA_IIR             0xf0014
3104 #define FDI_RXA_IMR             0xf0018
3105 #define FDI_RXB_IIR             0xf1014
3106 #define FDI_RXB_IMR             0xf1018
3107 #define FDI_RX_IIR(pipe) _PIPE(pipe, FDI_RXA_IIR, FDI_RXB_IIR)
3108 #define FDI_RX_IMR(pipe) _PIPE(pipe, FDI_RXA_IMR, FDI_RXB_IMR)
3109 
3110 #define FDI_PLL_CTL_1           0xfe000
3111 #define FDI_PLL_CTL_2           0xfe004
3112 
3113 /* CRT */
3114 #define PCH_ADPA                0xe1100
3115 #define  ADPA_TRANS_SELECT_MASK (1<<30)
3116 #define  ADPA_TRANS_A_SELECT    0
3117 #define  ADPA_TRANS_B_SELECT    (1<<30)
3118 #define  ADPA_CRT_HOTPLUG_MASK  0x03ff0000 /* bit 25-16 */
3119 #define  ADPA_CRT_HOTPLUG_MONITOR_NONE  (0<<24)
3120 #define  ADPA_CRT_HOTPLUG_MONITOR_MASK  (3<<24)
3121 #define  ADPA_CRT_HOTPLUG_MONITOR_COLOR (3<<24)
3122 #define  ADPA_CRT_HOTPLUG_MONITOR_MONO  (2<<24)
3123 #define  ADPA_CRT_HOTPLUG_ENABLE        (1<<23)
3124 #define  ADPA_CRT_HOTPLUG_PERIOD_64     (0<<22)
3125 #define  ADPA_CRT_HOTPLUG_PERIOD_128    (1<<22)
3126 #define  ADPA_CRT_HOTPLUG_WARMUP_5MS    (0<<21)
3127 #define  ADPA_CRT_HOTPLUG_WARMUP_10MS   (1<<21)
3128 #define  ADPA_CRT_HOTPLUG_SAMPLE_2S     (0<<20)
3129 #define  ADPA_CRT_HOTPLUG_SAMPLE_4S     (1<<20)
3130 #define  ADPA_CRT_HOTPLUG_VOLTAGE_40    (0<<18)
3131 #define  ADPA_CRT_HOTPLUG_VOLTAGE_50    (1<<18)
3132 #define  ADPA_CRT_HOTPLUG_VOLTAGE_60    (2<<18)
3133 #define  ADPA_CRT_HOTPLUG_VOLTAGE_70    (3<<18)
3134 #define  ADPA_CRT_HOTPLUG_VOLREF_325MV  (0<<17)
3135 #define  ADPA_CRT_HOTPLUG_VOLREF_475MV  (1<<17)
3136 #define  ADPA_CRT_HOTPLUG_FORCE_TRIGGER (1<<16)
3137 
3138 /* or SDVOB */
3139 #define HDMIB   0xe1140
3140 #define  PORT_ENABLE    (1 << 31)
3141 #define  TRANSCODER_A   (0)
3142 #define  TRANSCODER_B   (1 << 30)
3143 #define  COLOR_FORMAT_8bpc      (0)
3144 #define  COLOR_FORMAT_12bpc     (3 << 26)
3145 #define  SDVOB_HOTPLUG_ENABLE   (1 << 23)
3146 #define  SDVO_ENCODING          (0)
3147 #define  TMDS_ENCODING          (2 << 10)
3148 #define  NULL_PACKET_VSYNC_ENABLE       (1 << 9)
3149 /* CPT */
3150 #define  HDMI_MODE_SELECT	(1 << 9)
3151 #define  DVI_MODE_SELECT	(0)
3152 #define  SDVOB_BORDER_ENABLE    (1 << 7)
3153 #define  AUDIO_ENABLE           (1 << 6)
3154 #define  VSYNC_ACTIVE_HIGH      (1 << 4)
3155 #define  HSYNC_ACTIVE_HIGH      (1 << 3)
3156 #define  PORT_DETECTED          (1 << 2)
3157 
3158 /* PCH SDVOB multiplex with HDMIB */
3159 #define PCH_SDVOB	HDMIB
3160 
3161 #define HDMIC   0xe1150
3162 #define HDMID   0xe1160
3163 
3164 #define PCH_LVDS	0xe1180
3165 #define  LVDS_DETECTED	(1 << 1)
3166 
3167 #define BLC_PWM_CPU_CTL2	0x48250
3168 #define  PWM_ENABLE		(1 << 31)
3169 #define  PWM_PIPE_A		(0 << 29)
3170 #define  PWM_PIPE_B		(1 << 29)
3171 #define BLC_PWM_CPU_CTL		0x48254
3172 
3173 #define BLC_PWM_PCH_CTL1	0xc8250
3174 #define  PWM_PCH_ENABLE		(1 << 31)
3175 #define  PWM_POLARITY_ACTIVE_LOW	(1 << 29)
3176 #define  PWM_POLARITY_ACTIVE_HIGH	(0 << 29)
3177 #define  PWM_POLARITY_ACTIVE_LOW2	(1 << 28)
3178 #define  PWM_POLARITY_ACTIVE_HIGH2	(0 << 28)
3179 
3180 #define BLC_PWM_PCH_CTL2	0xc8254
3181 
3182 #define PCH_PP_STATUS		0xc7200
3183 #define PCH_PP_CONTROL		0xc7204
3184 #define  PANEL_UNLOCK_REGS	(0xabcd << 16)
3185 #define  EDP_FORCE_VDD		(1 << 3)
3186 #define  EDP_BLC_ENABLE		(1 << 2)
3187 #define  PANEL_POWER_RESET	(1 << 1)
3188 #define  PANEL_POWER_OFF	(0 << 0)
3189 #define  PANEL_POWER_ON		(1 << 0)
3190 #define PCH_PP_ON_DELAYS	0xc7208
3191 #define  EDP_PANEL		(1 << 30)
3192 #define PCH_PP_OFF_DELAYS	0xc720c
3193 #define PCH_PP_DIVISOR		0xc7210
3194 
3195 #define PCH_DP_B		0xe4100
3196 #define PCH_DPB_AUX_CH_CTL	0xe4110
3197 #define PCH_DPB_AUX_CH_DATA1	0xe4114
3198 #define PCH_DPB_AUX_CH_DATA2	0xe4118
3199 #define PCH_DPB_AUX_CH_DATA3	0xe411c
3200 #define PCH_DPB_AUX_CH_DATA4	0xe4120
3201 #define PCH_DPB_AUX_CH_DATA5	0xe4124
3202 
3203 #define PCH_DP_C		0xe4200
3204 #define PCH_DPC_AUX_CH_CTL	0xe4210
3205 #define PCH_DPC_AUX_CH_DATA1	0xe4214
3206 #define PCH_DPC_AUX_CH_DATA2	0xe4218
3207 #define PCH_DPC_AUX_CH_DATA3	0xe421c
3208 #define PCH_DPC_AUX_CH_DATA4	0xe4220
3209 #define PCH_DPC_AUX_CH_DATA5	0xe4224
3210 
3211 #define PCH_DP_D		0xe4300
3212 #define PCH_DPD_AUX_CH_CTL	0xe4310
3213 #define PCH_DPD_AUX_CH_DATA1	0xe4314
3214 #define PCH_DPD_AUX_CH_DATA2	0xe4318
3215 #define PCH_DPD_AUX_CH_DATA3	0xe431c
3216 #define PCH_DPD_AUX_CH_DATA4	0xe4320
3217 #define PCH_DPD_AUX_CH_DATA5	0xe4324
3218 
3219 /* CPT */
3220 #define  PORT_TRANS_A_SEL_CPT	0
3221 #define  PORT_TRANS_B_SEL_CPT	(1<<29)
3222 #define  PORT_TRANS_C_SEL_CPT	(2<<29)
3223 #define  PORT_TRANS_SEL_MASK	(3<<29)
3224 
3225 #define TRANS_DP_CTL_A		0xe0300
3226 #define TRANS_DP_CTL_B		0xe1300
3227 #define TRANS_DP_CTL_C		0xe2300
3228 #define TRANS_DP_CTL(pipe)	(TRANS_DP_CTL_A + (pipe) * 0x01000)
3229 #define  TRANS_DP_OUTPUT_ENABLE	(1<<31)
3230 #define  TRANS_DP_PORT_SEL_B	(0<<29)
3231 #define  TRANS_DP_PORT_SEL_C	(1<<29)
3232 #define  TRANS_DP_PORT_SEL_D	(2<<29)
3233 #define  TRANS_DP_PORT_SEL_MASK	(3<<29)
3234 #define  TRANS_DP_AUDIO_ONLY	(1<<26)
3235 #define  TRANS_DP_ENH_FRAMING	(1<<18)
3236 #define  TRANS_DP_8BPC		(0<<9)
3237 #define  TRANS_DP_10BPC		(1<<9)
3238 #define  TRANS_DP_6BPC		(2<<9)
3239 #define  TRANS_DP_12BPC		(3<<9)
3240 #define  TRANS_DP_BPC_MASK	(3<<9)
3241 #define  TRANS_DP_VSYNC_ACTIVE_HIGH	(1<<4)
3242 #define  TRANS_DP_VSYNC_ACTIVE_LOW	0
3243 #define  TRANS_DP_HSYNC_ACTIVE_HIGH	(1<<3)
3244 #define  TRANS_DP_HSYNC_ACTIVE_LOW	0
3245 #define  TRANS_DP_SYNC_MASK	(3<<3)
3246 
3247 /* SNB eDP training params */
3248 /* SNB A-stepping */
3249 #define  EDP_LINK_TRAIN_400MV_0DB_SNB_A		(0x38<<22)
3250 #define  EDP_LINK_TRAIN_400MV_6DB_SNB_A		(0x02<<22)
3251 #define  EDP_LINK_TRAIN_600MV_3_5DB_SNB_A	(0x01<<22)
3252 #define  EDP_LINK_TRAIN_800MV_0DB_SNB_A		(0x0<<22)
3253 /* SNB B-stepping */
3254 #define  EDP_LINK_TRAIN_400_600MV_0DB_SNB_B	(0x0<<22)
3255 #define  EDP_LINK_TRAIN_400MV_3_5DB_SNB_B	(0x1<<22)
3256 #define  EDP_LINK_TRAIN_400_600MV_6DB_SNB_B	(0x3a<<22)
3257 #define  EDP_LINK_TRAIN_600_800MV_3_5DB_SNB_B	(0x39<<22)
3258 #define  EDP_LINK_TRAIN_800_1200MV_0DB_SNB_B	(0x38<<22)
3259 #define  EDP_LINK_TRAIN_VOL_EMP_MASK_SNB	(0x3f<<22)
3260 
3261 #define  FORCEWAKE				0xA18C
3262 #define  FORCEWAKE_ACK				0x130090
3263 
3264 #define GEN6_RPNSWREQ				0xA008
3265 #define   GEN6_TURBO_DISABLE			(1<<31)
3266 #define   GEN6_FREQUENCY(x)			((x)<<25)
3267 #define   GEN6_OFFSET(x)			((x)<<19)
3268 #define   GEN6_AGGRESSIVE_TURBO			(0<<15)
3269 #define GEN6_RC_VIDEO_FREQ			0xA00C
3270 #define GEN6_RC_CONTROL				0xA090
3271 #define   GEN6_RC_CTL_RC6pp_ENABLE		(1<<16)
3272 #define   GEN6_RC_CTL_RC6p_ENABLE		(1<<17)
3273 #define   GEN6_RC_CTL_RC6_ENABLE		(1<<18)
3274 #define   GEN6_RC_CTL_RC1e_ENABLE		(1<<20)
3275 #define   GEN6_RC_CTL_RC7_ENABLE		(1<<22)
3276 #define   GEN6_RC_CTL_EI_MODE(x)		((x)<<27)
3277 #define   GEN6_RC_CTL_HW_ENABLE			(1<<31)
3278 #define GEN6_RP_DOWN_TIMEOUT			0xA010
3279 #define GEN6_RP_INTERRUPT_LIMITS		0xA014
3280 #define GEN6_RPSTAT1				0xA01C
3281 #define GEN6_RP_CONTROL				0xA024
3282 #define   GEN6_RP_MEDIA_TURBO			(1<<11)
3283 #define   GEN6_RP_USE_NORMAL_FREQ		(1<<9)
3284 #define   GEN6_RP_MEDIA_IS_GFX			(1<<8)
3285 #define   GEN6_RP_ENABLE			(1<<7)
3286 #define   GEN6_RP_UP_BUSY_MAX			(0x2<<3)
3287 #define   GEN6_RP_DOWN_BUSY_MIN			(0x2<<0)
3288 #define GEN6_RP_UP_THRESHOLD			0xA02C
3289 #define GEN6_RP_DOWN_THRESHOLD			0xA030
3290 #define GEN6_RP_UP_EI				0xA068
3291 #define GEN6_RP_DOWN_EI				0xA06C
3292 #define GEN6_RP_IDLE_HYSTERSIS			0xA070
3293 #define GEN6_RC_STATE				0xA094
3294 #define GEN6_RC1_WAKE_RATE_LIMIT		0xA098
3295 #define GEN6_RC6_WAKE_RATE_LIMIT		0xA09C
3296 #define GEN6_RC6pp_WAKE_RATE_LIMIT		0xA0A0
3297 #define GEN6_RC_EVALUATION_INTERVAL		0xA0A8
3298 #define GEN6_RC_IDLE_HYSTERSIS			0xA0AC
3299 #define GEN6_RC_SLEEP				0xA0B0
3300 #define GEN6_RC1e_THRESHOLD			0xA0B4
3301 #define GEN6_RC6_THRESHOLD			0xA0B8
3302 #define GEN6_RC6p_THRESHOLD			0xA0BC
3303 #define GEN6_RC6pp_THRESHOLD			0xA0C0
3304 #define GEN6_PMINTRMSK				0xA168
3305 
3306 #define GEN6_PMISR				0x44020
3307 #define GEN6_PMIMR				0x44024
3308 #define GEN6_PMIIR				0x44028
3309 #define GEN6_PMIER				0x4402C
3310 #define  GEN6_PM_MBOX_EVENT			(1<<25)
3311 #define  GEN6_PM_THERMAL_EVENT			(1<<24)
3312 #define  GEN6_PM_RP_DOWN_TIMEOUT		(1<<6)
3313 #define  GEN6_PM_RP_UP_THRESHOLD		(1<<5)
3314 #define  GEN6_PM_RP_DOWN_THRESHOLD		(1<<4)
3315 #define  GEN6_PM_RP_UP_EI_EXPIRED		(1<<2)
3316 #define  GEN6_PM_RP_DOWN_EI_EXPIRED		(1<<1)
3317 
3318 #define GEN6_PCODE_MAILBOX			0x138124
3319 #define   GEN6_PCODE_READY			(1<<31)
3320 #define   GEN6_READ_OC_PARAMS			0xc
3321 #define   GEN6_PCODE_WRITE_MIN_FREQ_TABLE	0x9
3322 #define GEN6_PCODE_DATA				0x138128
3323 
3324 #endif /* _I915_REG_H_ */
3325