i915_reg.h 125 KB
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/* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef _I915_REG_H_
#define _I915_REG_H_

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#define _PIPE(pipe, a, b) ((a) + (pipe)*((b)-(a)))

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/*
 * The Bridge device's PCI config space has information about the
 * fb aperture size and the amount of pre-reserved memory.
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 * This is all handled in the intel-gtt.ko module. i915.ko only
 * cares about the vga bit for the vga rbiter.
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 */
#define INTEL_GMCH_CTRL		0x52
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#define INTEL_GMCH_VGA_DISABLE  (1 << 1)
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/* PCI config space */

#define HPLLCC	0xc0 /* 855 only */
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#define   GC_CLOCK_CONTROL_MASK		(0xf << 0)
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#define   GC_CLOCK_133_200		(0 << 0)
#define   GC_CLOCK_100_200		(1 << 0)
#define   GC_CLOCK_100_133		(2 << 0)
#define   GC_CLOCK_166_250		(3 << 0)
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#define GCFGC2	0xda
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#define GCFGC	0xf0 /* 915+ only */
#define   GC_LOW_FREQUENCY_ENABLE	(1 << 7)
#define   GC_DISPLAY_CLOCK_190_200_MHZ	(0 << 4)
#define   GC_DISPLAY_CLOCK_333_MHZ	(4 << 4)
#define   GC_DISPLAY_CLOCK_MASK		(7 << 4)
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#define   GM45_GC_RENDER_CLOCK_MASK	(0xf << 0)
#define   GM45_GC_RENDER_CLOCK_266_MHZ	(8 << 0)
#define   GM45_GC_RENDER_CLOCK_320_MHZ	(9 << 0)
#define   GM45_GC_RENDER_CLOCK_400_MHZ	(0xb << 0)
#define   GM45_GC_RENDER_CLOCK_533_MHZ	(0xc << 0)
#define   I965_GC_RENDER_CLOCK_MASK	(0xf << 0)
#define   I965_GC_RENDER_CLOCK_267_MHZ	(2 << 0)
#define   I965_GC_RENDER_CLOCK_333_MHZ	(3 << 0)
#define   I965_GC_RENDER_CLOCK_444_MHZ	(4 << 0)
#define   I965_GC_RENDER_CLOCK_533_MHZ	(5 << 0)
#define   I945_GC_RENDER_CLOCK_MASK	(7 << 0)
#define   I945_GC_RENDER_CLOCK_166_MHZ	(0 << 0)
#define   I945_GC_RENDER_CLOCK_200_MHZ	(1 << 0)
#define   I945_GC_RENDER_CLOCK_250_MHZ	(3 << 0)
#define   I945_GC_RENDER_CLOCK_400_MHZ	(5 << 0)
#define   I915_GC_RENDER_CLOCK_MASK	(7 << 0)
#define   I915_GC_RENDER_CLOCK_166_MHZ	(0 << 0)
#define   I915_GC_RENDER_CLOCK_200_MHZ	(1 << 0)
#define   I915_GC_RENDER_CLOCK_333_MHZ	(4 << 0)
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#define LBB	0xf4
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/* Graphics reset regs */
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#define I965_GDRST 0xc0 /* PCI config register */
#define ILK_GDSR 0x2ca4 /* MCHBAR offset */
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#define  GRDOM_FULL	(0<<2)
#define  GRDOM_RENDER	(1<<2)
#define  GRDOM_MEDIA	(3<<2)
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#define GEN6_MBCUNIT_SNPCR	0x900c /* for LLC config */
#define   GEN6_MBC_SNPCR_SHIFT	21
#define   GEN6_MBC_SNPCR_MASK	(3<<21)
#define   GEN6_MBC_SNPCR_MAX	(0<<21)
#define   GEN6_MBC_SNPCR_MED	(1<<21)
#define   GEN6_MBC_SNPCR_LOW	(2<<21)
#define   GEN6_MBC_SNPCR_MIN	(3<<21) /* only 1/16th of the cache is shared */

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#define GEN6_GDRST	0x941c
#define  GEN6_GRDOM_FULL		(1 << 0)
#define  GEN6_GRDOM_RENDER		(1 << 1)
#define  GEN6_GRDOM_MEDIA		(1 << 2)
#define  GEN6_GRDOM_BLT			(1 << 3)

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/* VGA stuff */

#define VGA_ST01_MDA 0x3ba
#define VGA_ST01_CGA 0x3da

#define VGA_MSR_WRITE 0x3c2
#define VGA_MSR_READ 0x3cc
#define   VGA_MSR_MEM_EN (1<<1)
#define   VGA_MSR_CGA_MODE (1<<0)

#define VGA_SR_INDEX 0x3c4
#define VGA_SR_DATA 0x3c5

#define VGA_AR_INDEX 0x3c0
#define   VGA_AR_VID_EN (1<<5)
#define VGA_AR_DATA_WRITE 0x3c0
#define VGA_AR_DATA_READ 0x3c1

#define VGA_GR_INDEX 0x3ce
#define VGA_GR_DATA 0x3cf
/* GR05 */
#define   VGA_GR_MEM_READ_MODE_SHIFT 3
#define     VGA_GR_MEM_READ_MODE_PLANE 1
/* GR06 */
#define   VGA_GR_MEM_MODE_MASK 0xc
#define   VGA_GR_MEM_MODE_SHIFT 2
#define   VGA_GR_MEM_A0000_AFFFF 0
#define   VGA_GR_MEM_A0000_BFFFF 1
#define   VGA_GR_MEM_B0000_B7FFF 2
#define   VGA_GR_MEM_B0000_BFFFF 3

#define VGA_DACMASK 0x3c6
#define VGA_DACRX 0x3c7
#define VGA_DACWX 0x3c8
#define VGA_DACDATA 0x3c9

#define VGA_CR_INDEX_MDA 0x3b4
#define VGA_CR_DATA_MDA 0x3b5
#define VGA_CR_INDEX_CGA 0x3d4
#define VGA_CR_DATA_CGA 0x3d5

/*
 * Memory interface instructions used by the kernel
 */
#define MI_INSTR(opcode, flags) (((opcode) << 23) | (flags))

#define MI_NOOP			MI_INSTR(0, 0)
#define MI_USER_INTERRUPT	MI_INSTR(0x02, 0)
#define MI_WAIT_FOR_EVENT       MI_INSTR(0x03, 0)
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#define   MI_WAIT_FOR_OVERLAY_FLIP	(1<<16)
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#define   MI_WAIT_FOR_PLANE_B_FLIP      (1<<6)
#define   MI_WAIT_FOR_PLANE_A_FLIP      (1<<2)
#define   MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1)
#define MI_FLUSH		MI_INSTR(0x04, 0)
#define   MI_READ_FLUSH		(1 << 0)
#define   MI_EXE_FLUSH		(1 << 1)
#define   MI_NO_WRITE_FLUSH	(1 << 2)
#define   MI_SCENE_COUNT	(1 << 3) /* just increment scene count */
#define   MI_END_SCENE		(1 << 4) /* flush binner and incr scene count */
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#define   MI_INVALIDATE_ISP	(1 << 5) /* invalidate indirect state pointers */
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#define MI_BATCH_BUFFER_END	MI_INSTR(0x0a, 0)
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#define MI_SUSPEND_FLUSH	MI_INSTR(0x0b, 0)
#define   MI_SUSPEND_FLUSH_EN	(1<<0)
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#define MI_REPORT_HEAD		MI_INSTR(0x07, 0)
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#define MI_OVERLAY_FLIP		MI_INSTR(0x11, 0)
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#define   MI_OVERLAY_CONTINUE	(0x0<<21)
#define   MI_OVERLAY_ON		(0x1<<21)
#define   MI_OVERLAY_OFF	(0x2<<21)
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#define MI_LOAD_SCAN_LINES_INCL MI_INSTR(0x12, 0)
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#define MI_DISPLAY_FLIP		MI_INSTR(0x14, 2)
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#define MI_DISPLAY_FLIP_I915	MI_INSTR(0x14, 1)
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#define   MI_DISPLAY_FLIP_PLANE(n) ((n) << 20)
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#define MI_SET_CONTEXT		MI_INSTR(0x18, 0)
#define   MI_MM_SPACE_GTT		(1<<8)
#define   MI_MM_SPACE_PHYSICAL		(0<<8)
#define   MI_SAVE_EXT_STATE_EN		(1<<3)
#define   MI_RESTORE_EXT_STATE_EN	(1<<2)
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#define   MI_FORCE_RESTORE		(1<<1)
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#define   MI_RESTORE_INHIBIT		(1<<0)
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#define MI_STORE_DWORD_IMM	MI_INSTR(0x20, 1)
#define   MI_MEM_VIRTUAL	(1 << 22) /* 965+ only */
#define MI_STORE_DWORD_INDEX	MI_INSTR(0x21, 1)
#define   MI_STORE_DWORD_INDEX_SHIFT 2
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/* Official intel docs are somewhat sloppy concerning MI_LOAD_REGISTER_IMM:
 * - Always issue a MI_NOOP _before_ the MI_LOAD_REGISTER_IMM - otherwise hw
 *   simply ignores the register load under certain conditions.
 * - One can actually load arbitrary many arbitrary registers: Simply issue x
 *   address/value pairs. Don't overdue it, though, x <= 2^4 must hold!
 */
#define MI_LOAD_REGISTER_IMM(x)	MI_INSTR(0x22, 2*x-1)
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#define MI_FLUSH_DW		MI_INSTR(0x26, 1) /* for GEN6 */
#define   MI_INVALIDATE_TLB	(1<<18)
#define   MI_INVALIDATE_BSD	(1<<7)
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#define MI_BATCH_BUFFER		MI_INSTR(0x30, 1)
#define   MI_BATCH_NON_SECURE	(1)
#define   MI_BATCH_NON_SECURE_I965 (1<<8)
#define MI_BATCH_BUFFER_START	MI_INSTR(0x31, 0)
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#define MI_SEMAPHORE_MBOX	MI_INSTR(0x16, 1) /* gen6+ */
#define  MI_SEMAPHORE_GLOBAL_GTT    (1<<22)
#define  MI_SEMAPHORE_UPDATE	    (1<<21)
#define  MI_SEMAPHORE_COMPARE	    (1<<20)
#define  MI_SEMAPHORE_REGISTER	    (1<<18)
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#define  MI_SEMAPHORE_SYNC_RV	    (2<<16)
#define  MI_SEMAPHORE_SYNC_RB	    (0<<16)
#define  MI_SEMAPHORE_SYNC_VR	    (0<<16)
#define  MI_SEMAPHORE_SYNC_VB	    (2<<16)
#define  MI_SEMAPHORE_SYNC_BR	    (2<<16)
#define  MI_SEMAPHORE_SYNC_BV	    (0<<16)
#define  MI_SEMAPHORE_SYNC_INVALID  (1<<0)
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/*
 * 3D instructions used by the kernel
 */
#define GFX_INSTR(opcode, flags) ((0x3 << 29) | ((opcode) << 24) | (flags))

#define GFX_OP_RASTER_RULES    ((0x3<<29)|(0x7<<24))
#define GFX_OP_SCISSOR         ((0x3<<29)|(0x1c<<24)|(0x10<<19))
#define   SC_UPDATE_SCISSOR       (0x1<<1)
#define   SC_ENABLE_MASK          (0x1<<0)
#define   SC_ENABLE               (0x1<<0)
#define GFX_OP_LOAD_INDIRECT   ((0x3<<29)|(0x1d<<24)|(0x7<<16))
#define GFX_OP_SCISSOR_INFO    ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))
#define   SCI_YMIN_MASK      (0xffff<<16)
#define   SCI_XMIN_MASK      (0xffff<<0)
#define   SCI_YMAX_MASK      (0xffff<<16)
#define   SCI_XMAX_MASK      (0xffff<<0)
#define GFX_OP_SCISSOR_ENABLE	 ((0x3<<29)|(0x1c<<24)|(0x10<<19))
#define GFX_OP_SCISSOR_RECT	 ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1)
#define GFX_OP_COLOR_FACTOR      ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)
#define GFX_OP_STIPPLE           ((0x3<<29)|(0x1d<<24)|(0x83<<16))
#define GFX_OP_MAP_INFO          ((0x3<<29)|(0x1d<<24)|0x4)
#define GFX_OP_DESTBUFFER_VARS   ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
#define GFX_OP_DESTBUFFER_INFO	 ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
#define GFX_OP_DRAWRECT_INFO     ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
#define GFX_OP_DRAWRECT_INFO_I965  ((0x7900<<16)|0x2)
#define SRC_COPY_BLT_CMD                ((2<<29)|(0x43<<22)|4)
#define XY_SRC_COPY_BLT_CMD		((2<<29)|(0x53<<22)|6)
#define XY_MONO_SRC_COPY_IMM_BLT	((2<<29)|(0x71<<22)|5)
#define XY_SRC_COPY_BLT_WRITE_ALPHA	(1<<21)
#define XY_SRC_COPY_BLT_WRITE_RGB	(1<<20)
#define   BLT_DEPTH_8			(0<<24)
#define   BLT_DEPTH_16_565		(1<<24)
#define   BLT_DEPTH_16_1555		(2<<24)
#define   BLT_DEPTH_32			(3<<24)
#define   BLT_ROP_GXCOPY		(0xcc<<16)
#define XY_SRC_COPY_BLT_SRC_TILED	(1<<15) /* 965+ only */
#define XY_SRC_COPY_BLT_DST_TILED	(1<<11) /* 965+ only */
#define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2)
#define   ASYNC_FLIP                (1<<22)
#define   DISPLAY_PLANE_A           (0<<20)
#define   DISPLAY_PLANE_B           (1<<20)
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#define GFX_OP_PIPE_CONTROL(len)	((0x3<<29)|(0x3<<27)|(0x2<<24)|(len-2))
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#define   PIPE_CONTROL_CS_STALL				(1<<20)
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#define   PIPE_CONTROL_QW_WRITE				(1<<14)
#define   PIPE_CONTROL_DEPTH_STALL			(1<<13)
#define   PIPE_CONTROL_WRITE_FLUSH			(1<<12)
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#define   PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH	(1<<12) /* gen6+ */
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#define   PIPE_CONTROL_INSTRUCTION_CACHE_INVALIDATE	(1<<11) /* MBZ on Ironlake */
#define   PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE		(1<<10) /* GM45+ only */
#define   PIPE_CONTROL_INDIRECT_STATE_DISABLE		(1<<9)
#define   PIPE_CONTROL_NOTIFY				(1<<8)
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#define   PIPE_CONTROL_VF_CACHE_INVALIDATE		(1<<4)
#define   PIPE_CONTROL_CONST_CACHE_INVALIDATE		(1<<3)
#define   PIPE_CONTROL_STATE_CACHE_INVALIDATE		(1<<2)
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#define   PIPE_CONTROL_STALL_AT_SCOREBOARD		(1<<1)
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#define   PIPE_CONTROL_DEPTH_CACHE_FLUSH		(1<<0)
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#define   PIPE_CONTROL_GLOBAL_GTT (1<<2) /* in addr dword */
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/*
 * Reset registers
 */
#define DEBUG_RESET_I830		0x6070
#define  DEBUG_RESET_FULL		(1<<7)
#define  DEBUG_RESET_RENDER		(1<<8)
#define  DEBUG_RESET_DISPLAY		(1<<9)


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/*
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 * Fence registers
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 */
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#define FENCE_REG_830_0			0x2000
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#define FENCE_REG_945_8			0x3000
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#define   I830_FENCE_START_MASK		0x07f80000
#define   I830_FENCE_TILING_Y_SHIFT	12
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#define   I830_FENCE_SIZE_BITS(size)	((ffs((size) >> 19) - 1) << 8)
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#define   I830_FENCE_PITCH_SHIFT	4
#define   I830_FENCE_REG_VALID		(1<<0)
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#define   I915_FENCE_MAX_PITCH_VAL	4
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#define   I830_FENCE_MAX_PITCH_VAL	6
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#define   I830_FENCE_MAX_SIZE_VAL	(1<<8)
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#define   I915_FENCE_START_MASK		0x0ff00000
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#define   I915_FENCE_SIZE_BITS(size)	((ffs((size) >> 20) - 1) << 8)
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#define FENCE_REG_965_0			0x03000
#define   I965_FENCE_PITCH_SHIFT	2
#define   I965_FENCE_TILING_Y_SHIFT	1
#define   I965_FENCE_REG_VALID		(1<<0)
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#define   I965_FENCE_MAX_PITCH_VAL	0x0400
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#define FENCE_REG_SANDYBRIDGE_0		0x100000
#define   SANDYBRIDGE_FENCE_PITCH_SHIFT	32

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/*
 * Instruction and interrupt control regs
 */
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#define PGTBL_ER	0x02024
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#define RENDER_RING_BASE	0x02000
#define BSD_RING_BASE		0x04000
#define GEN6_BSD_RING_BASE	0x12000
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#define BLT_RING_BASE		0x22000
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#define RING_TAIL(base)		((base)+0x30)
#define RING_HEAD(base)		((base)+0x34)
#define RING_START(base)	((base)+0x38)
#define RING_CTL(base)		((base)+0x3c)
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#define RING_SYNC_0(base)	((base)+0x40)
#define RING_SYNC_1(base)	((base)+0x44)
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#define GEN6_RVSYNC (RING_SYNC_0(RENDER_RING_BASE))
#define GEN6_RBSYNC (RING_SYNC_1(RENDER_RING_BASE))
#define GEN6_VRSYNC (RING_SYNC_1(GEN6_BSD_RING_BASE))
#define GEN6_VBSYNC (RING_SYNC_0(GEN6_BSD_RING_BASE))
#define GEN6_BRSYNC (RING_SYNC_0(BLT_RING_BASE))
#define GEN6_BVSYNC (RING_SYNC_1(BLT_RING_BASE))
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#define RING_MAX_IDLE(base)	((base)+0x54)
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#define RING_HWS_PGA(base)	((base)+0x80)
#define RING_HWS_PGA_GEN6(base)	((base)+0x2080)
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#define RENDER_HWS_PGA_GEN7	(0x04080)
#define BSD_HWS_PGA_GEN7	(0x04180)
#define BLT_HWS_PGA_GEN7	(0x04280)
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#define RING_ACTHD(base)	((base)+0x74)
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#define RING_NOPID(base)	((base)+0x94)
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#define RING_IMR(base)		((base)+0xa8)
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#define   TAIL_ADDR		0x001FFFF8
#define   HEAD_WRAP_COUNT	0xFFE00000
#define   HEAD_WRAP_ONE		0x00200000
#define   HEAD_ADDR		0x001FFFFC
#define   RING_NR_PAGES		0x001FF000
#define   RING_REPORT_MASK	0x00000006
#define   RING_REPORT_64K	0x00000002
#define   RING_REPORT_128K	0x00000004
#define   RING_NO_REPORT	0x00000000
#define   RING_VALID_MASK	0x00000001
#define   RING_VALID		0x00000001
#define   RING_INVALID		0x00000000
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#define   RING_WAIT_I8XX	(1<<0) /* gen2, PRBx_HEAD */
#define   RING_WAIT		(1<<11) /* gen3+, PRBx_CTL */
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#define   RING_WAIT_SEMAPHORE	(1<<10) /* gen6+ */
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#if 0
#define PRB0_TAIL	0x02030
#define PRB0_HEAD	0x02034
#define PRB0_START	0x02038
#define PRB0_CTL	0x0203c
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#define PRB1_TAIL	0x02040 /* 915+ only */
#define PRB1_HEAD	0x02044 /* 915+ only */
#define PRB1_START	0x02048 /* 915+ only */
#define PRB1_CTL	0x0204c /* 915+ only */
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#endif
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#define IPEIR_I965	0x02064
#define IPEHR_I965	0x02068
#define INSTDONE_I965	0x0206c
#define INSTPS		0x02070 /* 965+ only */
#define INSTDONE1	0x0207c /* 965+ only */
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#define ACTHD_I965	0x02074
#define HWS_PGA		0x02080
#define HWS_ADDRESS_MASK	0xfffff000
#define HWS_START_ADDRESS_SHIFT	4
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#define PWRCTXA		0x2088 /* 965GM+ only */
#define   PWRCTX_EN	(1<<0)
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#define IPEIR		0x02088
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#define IPEHR		0x0208c
#define INSTDONE	0x02090
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#define NOPID		0x02094
#define HWSTAM		0x02098
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#define VCS_INSTDONE	0x1206C
#define VCS_IPEIR	0x12064
#define VCS_IPEHR	0x12068
#define VCS_ACTHD	0x12074
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#define BCS_INSTDONE	0x2206C
#define BCS_IPEIR	0x22064
#define BCS_IPEHR	0x22068
#define BCS_ACTHD	0x22074
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#define ERROR_GEN6	0x040a0

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/* GM45+ chicken bits -- debug workaround bits that may be required
 * for various sorts of correct behavior.  The top 16 bits of each are
 * the enables for writing to the corresponding low bit.
 */
#define _3D_CHICKEN	0x02084
#define _3D_CHICKEN2	0x0208c
/* Disables pipelining of read flushes past the SF-WIZ interface.
 * Required on all Ironlake steppings according to the B-Spec, but the
 * particular danger of not doing so is not specified.
 */
# define _3D_CHICKEN2_WM_READ_PIPELINED			(1 << 14)
#define _3D_CHICKEN3	0x02090

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#define MI_MODE		0x0209c
# define VS_TIMER_DISPATCH				(1 << 6)
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# define MI_FLUSH_ENABLE				(1 << 11)
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#define GFX_MODE	0x02520
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#define GFX_MODE_GEN7	0x0229c
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#define   GFX_RUN_LIST_ENABLE		(1<<15)
#define   GFX_TLB_INVALIDATE_ALWAYS	(1<<13)
#define   GFX_SURFACE_FAULT_ENABLE	(1<<12)
#define   GFX_REPLAY_MODE		(1<<11)
#define   GFX_PSMI_GRANULARITY		(1<<10)
#define   GFX_PPGTT_ENABLE		(1<<9)

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#define GFX_MODE_ENABLE(bit) (((bit) << 16) | (bit))
#define GFX_MODE_DISABLE(bit) (((bit) << 16) | (0))

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#define SCPD0		0x0209c /* 915+ only */
#define IER		0x020a0
#define IIR		0x020a4
#define IMR		0x020a8
#define ISR		0x020ac
#define   I915_PIPE_CONTROL_NOTIFY_INTERRUPT		(1<<18)
#define   I915_DISPLAY_PORT_INTERRUPT			(1<<17)
#define   I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT	(1<<15)
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#define   I915_GMCH_THERMAL_SENSOR_EVENT_INTERRUPT	(1<<14) /* p-state */
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#define   I915_HWB_OOM_INTERRUPT			(1<<13)
#define   I915_SYNC_STATUS_INTERRUPT			(1<<12)
#define   I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT	(1<<11)
#define   I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT	(1<<10)
#define   I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT	(1<<9)
#define   I915_DISPLAY_PLANE_C_FLIP_PENDING_INTERRUPT	(1<<8)
#define   I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT		(1<<7)
#define   I915_DISPLAY_PIPE_A_EVENT_INTERRUPT		(1<<6)
#define   I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT		(1<<5)
#define   I915_DISPLAY_PIPE_B_EVENT_INTERRUPT		(1<<4)
#define   I915_DEBUG_INTERRUPT				(1<<2)
#define   I915_USER_INTERRUPT				(1<<1)
#define   I915_ASLE_INTERRUPT				(1<<0)
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#define   I915_BSD_USER_INTERRUPT                      (1<<25)
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#define EIR		0x020b0
#define EMR		0x020b4
#define ESR		0x020b8
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#define   GM45_ERROR_PAGE_TABLE				(1<<5)
#define   GM45_ERROR_MEM_PRIV				(1<<4)
#define   I915_ERROR_PAGE_TABLE				(1<<4)
#define   GM45_ERROR_CP_PRIV				(1<<3)
#define   I915_ERROR_MEMORY_REFRESH			(1<<1)
#define   I915_ERROR_INSTRUCTION			(1<<0)
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#define INSTPM	        0x020c0
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#define   INSTPM_SELF_EN (1<<12) /* 915GM only */
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#define   INSTPM_AGPBUSY_DIS (1<<11) /* gen3: when disabled, pending interrupts
					will not assert AGPBUSY# and will only
					be delivered when out of C3. */
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#define ACTHD	        0x020c8
#define FW_BLC		0x020d8
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#define FW_BLC2		0x020dc
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#define FW_BLC_SELF	0x020e0 /* 915+ only */
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#define   FW_BLC_SELF_EN_MASK      (1<<31)
#define   FW_BLC_SELF_FIFO_MASK    (1<<16) /* 945 only */
#define   FW_BLC_SELF_EN           (1<<15) /* 945 only */
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#define MM_BURST_LENGTH     0x00700000
#define MM_FIFO_WATERMARK   0x0001F000
#define LM_BURST_LENGTH     0x00000700
#define LM_FIFO_WATERMARK   0x0000001F
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#define MI_ARB_STATE	0x020e4 /* 915+ only */
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#define   MI_ARB_MASK_SHIFT	  16	/* shift for enable bits */

/* Make render/texture TLB fetches lower priorty than associated data
 *   fetches. This is not turned on by default
 */
#define   MI_ARB_RENDER_TLB_LOW_PRIORITY	(1 << 15)

/* Isoch request wait on GTT enable (Display A/B/C streams).
 * Make isoch requests stall on the TLB update. May cause
 * display underruns (test mode only)
 */
#define   MI_ARB_ISOCH_WAIT_GTT			(1 << 14)

/* Block grant count for isoch requests when block count is
 * set to a finite value.
 */
#define   MI_ARB_BLOCK_GRANT_MASK		(3 << 12)
#define   MI_ARB_BLOCK_GRANT_8			(0 << 12)	/* for 3 display planes */
#define   MI_ARB_BLOCK_GRANT_4			(1 << 12)	/* for 2 display planes */
#define   MI_ARB_BLOCK_GRANT_2			(2 << 12)	/* for 1 display plane */
#define   MI_ARB_BLOCK_GRANT_0			(3 << 12)	/* don't use */

/* Enable render writes to complete in C2/C3/C4 power states.
 * If this isn't enabled, render writes are prevented in low
 * power states. That seems bad to me.
 */
#define   MI_ARB_C3_LP_WRITE_ENABLE		(1 << 11)

/* This acknowledges an async flip immediately instead
 * of waiting for 2TLB fetches.
 */
#define   MI_ARB_ASYNC_FLIP_ACK_IMMEDIATE	(1 << 10)

/* Enables non-sequential data reads through arbiter
 */
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#define   MI_ARB_DUAL_DATA_PHASE_DISABLE	(1 << 9)
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/* Disable FSB snooping of cacheable write cycles from binner/render
 * command stream
 */
#define   MI_ARB_CACHE_SNOOP_DISABLE		(1 << 8)

/* Arbiter time slice for non-isoch streams */
#define   MI_ARB_TIME_SLICE_MASK		(7 << 5)
#define   MI_ARB_TIME_SLICE_1			(0 << 5)
#define   MI_ARB_TIME_SLICE_2			(1 << 5)
#define   MI_ARB_TIME_SLICE_4			(2 << 5)
#define   MI_ARB_TIME_SLICE_6			(3 << 5)
#define   MI_ARB_TIME_SLICE_8			(4 << 5)
#define   MI_ARB_TIME_SLICE_10			(5 << 5)
#define   MI_ARB_TIME_SLICE_14			(6 << 5)
#define   MI_ARB_TIME_SLICE_16			(7 << 5)

/* Low priority grace period page size */
#define   MI_ARB_LOW_PRIORITY_GRACE_4KB		(0 << 4)	/* default */
#define   MI_ARB_LOW_PRIORITY_GRACE_8KB		(1 << 4)

/* Disable display A/B trickle feed */
#define   MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE	(1 << 2)

/* Set display plane priority */
#define   MI_ARB_DISPLAY_PRIORITY_A_B		(0 << 0)	/* display A > display B */
#define   MI_ARB_DISPLAY_PRIORITY_B_A		(1 << 0)	/* display B > display A */

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#define CACHE_MODE_0	0x02120 /* 915+ only */
#define   CM0_MASK_SHIFT          16
#define   CM0_IZ_OPT_DISABLE      (1<<6)
#define   CM0_ZR_OPT_DISABLE      (1<<5)
#define   CM0_DEPTH_EVICT_DISABLE (1<<4)
#define   CM0_COLOR_EVICT_DISABLE (1<<3)
#define   CM0_DEPTH_WRITE_DISABLE (1<<1)
#define   CM0_RC_OP_FLUSH_DISABLE (1<<0)
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#define BB_ADDR		0x02140 /* 8 bytes */
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#define GFX_FLSH_CNTL	0x02170 /* 915+ only */
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#define ECOSKPD		0x021d0
#define   ECO_GATING_CX_ONLY	(1<<3)
#define   ECO_FLIP_DONE		(1<<0)
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/* GEN6 interrupt control */
#define GEN6_RENDER_HWSTAM	0x2098
#define GEN6_RENDER_IMR		0x20a8
#define   GEN6_RENDER_CONTEXT_SWITCH_INTERRUPT		(1 << 8)
#define   GEN6_RENDER_PPGTT_PAGE_FAULT			(1 << 7)
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#define   GEN6_RENDER_TIMEOUT_COUNTER_EXPIRED		(1 << 6)
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#define   GEN6_RENDER_L3_PARITY_ERROR			(1 << 5)
#define   GEN6_RENDER_PIPE_CONTROL_NOTIFY_INTERRUPT	(1 << 4)
#define   GEN6_RENDER_COMMAND_PARSER_MASTER_ERROR	(1 << 3)
#define   GEN6_RENDER_SYNC_STATUS			(1 << 2)
#define   GEN6_RENDER_DEBUG_INTERRUPT			(1 << 1)
#define   GEN6_RENDER_USER_INTERRUPT			(1 << 0)

#define GEN6_BLITTER_HWSTAM	0x22098
#define GEN6_BLITTER_IMR	0x220a8
#define   GEN6_BLITTER_MI_FLUSH_DW_NOTIFY_INTERRUPT	(1 << 26)
#define   GEN6_BLITTER_COMMAND_PARSER_MASTER_ERROR	(1 << 25)
#define   GEN6_BLITTER_SYNC_STATUS			(1 << 24)
#define   GEN6_BLITTER_USER_INTERRUPT			(1 << 22)
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#define GEN6_BLITTER_ECOSKPD	0x221d0
#define   GEN6_BLITTER_LOCK_SHIFT			16
#define   GEN6_BLITTER_FBC_NOTIFY			(1<<3)

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#define GEN6_BSD_SLEEP_PSMI_CONTROL	0x12050
#define   GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_MODIFY_MASK	(1 << 16)
#define   GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_DISABLE		(1 << 0)
#define   GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_ENABLE		0
#define   GEN6_BSD_SLEEP_PSMI_CONTROL_IDLE_INDICATOR			(1 << 3)

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#define GEN6_BSD_HWSTAM			0x12098
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#define GEN6_BSD_IMR			0x120a8
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#define   GEN6_BSD_USER_INTERRUPT	(1 << 12)
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#define GEN6_BSD_RNCID			0x12198

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/*
 * Framebuffer compression (915+ only)
 */

#define FBC_CFB_BASE		0x03200 /* 4k page aligned */
#define FBC_LL_BASE		0x03204 /* 4k page aligned */
#define FBC_CONTROL		0x03208
#define   FBC_CTL_EN		(1<<31)
#define   FBC_CTL_PERIODIC	(1<<30)
#define   FBC_CTL_INTERVAL_SHIFT (16)
#define   FBC_CTL_UNCOMPRESSIBLE (1<<14)
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#define   FBC_CTL_C3_IDLE	(1<<13)
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#define   FBC_CTL_STRIDE_SHIFT	(5)
#define   FBC_CTL_FENCENO	(1<<0)
#define FBC_COMMAND		0x0320c
#define   FBC_CMD_COMPRESS	(1<<0)
#define FBC_STATUS		0x03210
#define   FBC_STAT_COMPRESSING	(1<<31)
#define   FBC_STAT_COMPRESSED	(1<<30)
#define   FBC_STAT_MODIFIED	(1<<29)
#define   FBC_STAT_CURRENT_LINE	(1<<0)
#define FBC_CONTROL2		0x03214
#define   FBC_CTL_FENCE_DBL	(0<<4)
#define   FBC_CTL_IDLE_IMM	(0<<2)
#define   FBC_CTL_IDLE_FULL	(1<<2)
#define   FBC_CTL_IDLE_LINE	(2<<2)
#define   FBC_CTL_IDLE_DEBUG	(3<<2)
#define   FBC_CTL_CPU_FENCE	(1<<1)
#define   FBC_CTL_PLANEA	(0<<0)
#define   FBC_CTL_PLANEB	(1<<0)
#define FBC_FENCE_OFF		0x0321b
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#define FBC_TAG			0x03300
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#define FBC_LL_SIZE		(1536)

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/* Framebuffer compression for GM45+ */
#define DPFC_CB_BASE		0x3200
#define DPFC_CONTROL		0x3208
#define   DPFC_CTL_EN		(1<<31)
#define   DPFC_CTL_PLANEA	(0<<30)
#define   DPFC_CTL_PLANEB	(1<<30)
#define   DPFC_CTL_FENCE_EN	(1<<29)
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#define   DPFC_CTL_PERSISTENT_MODE	(1<<25)
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#define   DPFC_SR_EN		(1<<10)
#define   DPFC_CTL_LIMIT_1X	(0<<6)
#define   DPFC_CTL_LIMIT_2X	(1<<6)
#define   DPFC_CTL_LIMIT_4X	(2<<6)
#define DPFC_RECOMP_CTL		0x320c
#define   DPFC_RECOMP_STALL_EN	(1<<27)
#define   DPFC_RECOMP_STALL_WM_SHIFT (16)
#define   DPFC_RECOMP_STALL_WM_MASK (0x07ff0000)
#define   DPFC_RECOMP_TIMER_COUNT_SHIFT (0)
#define   DPFC_RECOMP_TIMER_COUNT_MASK (0x0000003f)
#define DPFC_STATUS		0x3210
#define   DPFC_INVAL_SEG_SHIFT  (16)
#define   DPFC_INVAL_SEG_MASK	(0x07ff0000)
#define   DPFC_COMP_SEG_SHIFT	(0)
#define   DPFC_COMP_SEG_MASK	(0x000003ff)
#define DPFC_STATUS2		0x3214
#define DPFC_FENCE_YOFF		0x3218
#define DPFC_CHICKEN		0x3224
#define   DPFC_HT_MODIFY	(1<<31)

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/* Framebuffer compression for Ironlake */
#define ILK_DPFC_CB_BASE	0x43200
#define ILK_DPFC_CONTROL	0x43208
/* The bit 28-8 is reserved */
#define   DPFC_RESERVED		(0x1FFFFF00)
#define ILK_DPFC_RECOMP_CTL	0x4320c
#define ILK_DPFC_STATUS		0x43210
#define ILK_DPFC_FENCE_YOFF	0x43218
#define ILK_DPFC_CHICKEN	0x43224
#define ILK_FBC_RT_BASE		0x2128
#define   ILK_FBC_RT_VALID	(1<<0)

#define ILK_DISPLAY_CHICKEN1	0x42000
#define   ILK_FBCQ_DIS		(1<<22)
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#define	  ILK_PABSTRETCH_DIS	(1<<21)
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/*
 * Framebuffer compression for Sandybridge
 *
 * The following two registers are of type GTTMMADR
 */
#define SNB_DPFC_CTL_SA		0x100100
#define   SNB_CPU_FENCE_ENABLE	(1<<29)
#define DPFC_CPU_FENCE_OFFSET	0x100104


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/*
 * GPIO regs
 */
#define GPIOA			0x5010
#define GPIOB			0x5014
#define GPIOC			0x5018
#define GPIOD			0x501c
#define GPIOE			0x5020
#define GPIOF			0x5024
#define GPIOG			0x5028
#define GPIOH			0x502c
# define GPIO_CLOCK_DIR_MASK		(1 << 0)
# define GPIO_CLOCK_DIR_IN		(0 << 1)
# define GPIO_CLOCK_DIR_OUT		(1 << 1)
# define GPIO_CLOCK_VAL_MASK		(1 << 2)
# define GPIO_CLOCK_VAL_OUT		(1 << 3)
# define GPIO_CLOCK_VAL_IN		(1 << 4)
# define GPIO_CLOCK_PULLUP_DISABLE	(1 << 5)
# define GPIO_DATA_DIR_MASK		(1 << 8)
# define GPIO_DATA_DIR_IN		(0 << 9)
# define GPIO_DATA_DIR_OUT		(1 << 9)
# define GPIO_DATA_VAL_MASK		(1 << 10)
# define GPIO_DATA_VAL_OUT		(1 << 11)
# define GPIO_DATA_VAL_IN		(1 << 12)
# define GPIO_DATA_PULLUP_DISABLE	(1 << 13)

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#define GMBUS0			0x5100 /* clock/port select */
#define   GMBUS_RATE_100KHZ	(0<<8)
#define   GMBUS_RATE_50KHZ	(1<<8)
#define   GMBUS_RATE_400KHZ	(2<<8) /* reserved on Pineview */
#define   GMBUS_RATE_1MHZ	(3<<8) /* reserved on Pineview */
#define   GMBUS_HOLD_EXT	(1<<7) /* 300ns hold time, rsvd on Pineview */
#define   GMBUS_PORT_DISABLED	0
#define   GMBUS_PORT_SSC	1
#define   GMBUS_PORT_VGADDC	2
#define   GMBUS_PORT_PANEL	3
#define   GMBUS_PORT_DPC	4 /* HDMIC */
#define   GMBUS_PORT_DPB	5 /* SDVO, HDMIB */
				  /* 6 reserved */
#define   GMBUS_PORT_DPD	7 /* HDMID */
#define   GMBUS_NUM_PORTS       8
#define GMBUS1			0x5104 /* command/status */
#define   GMBUS_SW_CLR_INT	(1<<31)
#define   GMBUS_SW_RDY		(1<<30)
#define   GMBUS_ENT		(1<<29) /* enable timeout */
#define   GMBUS_CYCLE_NONE	(0<<25)
#define   GMBUS_CYCLE_WAIT	(1<<25)
#define   GMBUS_CYCLE_INDEX	(2<<25)
#define   GMBUS_CYCLE_STOP	(4<<25)
#define   GMBUS_BYTE_COUNT_SHIFT 16
#define   GMBUS_SLAVE_INDEX_SHIFT 8
#define   GMBUS_SLAVE_ADDR_SHIFT 1
#define   GMBUS_SLAVE_READ	(1<<0)
#define   GMBUS_SLAVE_WRITE	(0<<0)
#define GMBUS2			0x5108 /* status */
#define   GMBUS_INUSE		(1<<15)
#define   GMBUS_HW_WAIT_PHASE	(1<<14)
#define   GMBUS_STALL_TIMEOUT	(1<<13)
#define   GMBUS_INT		(1<<12)
#define   GMBUS_HW_RDY		(1<<11)
#define   GMBUS_SATOER		(1<<10)
#define   GMBUS_ACTIVE		(1<<9)
#define GMBUS3			0x510c /* data buffer bytes 3-0 */
#define GMBUS4			0x5110 /* interrupt mask (Pineview+) */
#define   GMBUS_SLAVE_TIMEOUT_EN (1<<4)
#define   GMBUS_NAK_EN		(1<<3)
#define   GMBUS_IDLE_EN		(1<<2)
#define   GMBUS_HW_WAIT_EN	(1<<1)
#define   GMBUS_HW_RDY_EN	(1<<0)
#define GMBUS5			0x5120 /* byte index */
#define   GMBUS_2BYTE_INDEX_EN	(1<<31)
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/*
 * Clock control & power management
 */

#define VGA0	0x6000
#define VGA1	0x6004
#define VGA_PD	0x6010
#define   VGA0_PD_P2_DIV_4	(1 << 7)
#define   VGA0_PD_P1_DIV_2	(1 << 5)
#define   VGA0_PD_P1_SHIFT	0
#define   VGA0_PD_P1_MASK	(0x1f << 0)
#define   VGA1_PD_P2_DIV_4	(1 << 15)
#define   VGA1_PD_P1_DIV_2	(1 << 13)
#define   VGA1_PD_P1_SHIFT	8
#define   VGA1_PD_P1_MASK	(0x1f << 8)
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#define _DPLL_A	0x06014
#define _DPLL_B	0x06018
#define DPLL(pipe) _PIPE(pipe, _DPLL_A, _DPLL_B)
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#define   DPLL_VCO_ENABLE		(1 << 31)
#define   DPLL_DVO_HIGH_SPEED		(1 << 30)
#define   DPLL_SYNCLOCK_ENABLE		(1 << 29)
#define   DPLL_VGA_MODE_DIS		(1 << 28)
#define   DPLLB_MODE_DAC_SERIAL		(1 << 26) /* i915 */
#define   DPLLB_MODE_LVDS		(2 << 26) /* i915 */
#define   DPLL_MODE_MASK		(3 << 26)
#define   DPLL_DAC_SERIAL_P2_CLOCK_DIV_10 (0 << 24) /* i915 */
#define   DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 (1 << 24) /* i915 */
#define   DPLLB_LVDS_P2_CLOCK_DIV_14	(0 << 24) /* i915 */
#define   DPLLB_LVDS_P2_CLOCK_DIV_7	(1 << 24) /* i915 */
#define   DPLL_P2_CLOCK_DIV_MASK	0x03000000 /* i915 */
#define   DPLL_FPA01_P1_POST_DIV_MASK	0x00ff0000 /* i915 */
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#define   DPLL_FPA01_P1_POST_DIV_MASK_PINEVIEW	0x00ff8000 /* Pineview */
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#define SRX_INDEX		0x3c4
#define SRX_DATA		0x3c5
#define SR01			1
#define SR01_SCREEN_OFF		(1<<5)

#define PPCR			0x61204
#define PPCR_ON			(1<<0)

#define DVOB			0x61140
#define DVOB_ON			(1<<31)
#define DVOC			0x61160
#define DVOC_ON			(1<<31)
#define LVDS			0x61180
#define LVDS_ON			(1<<31)

/* Scratch pad debug 0 reg:
 */
#define   DPLL_FPA01_P1_POST_DIV_MASK_I830	0x001f0000
/*
 * The i830 generation, in LVDS mode, defines P1 as the bit number set within
 * this field (only one bit may be set).
 */
#define   DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS	0x003f0000
#define   DPLL_FPA01_P1_POST_DIV_SHIFT	16
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#define   DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW 15
791
792
793
794
795
796
797
798
799
/* i830, required in DVO non-gang */
#define   PLL_P2_DIVIDE_BY_4		(1 << 23)
#define   PLL_P1_DIVIDE_BY_TWO		(1 << 21) /* i830 */
#define   PLL_REF_INPUT_DREFCLK		(0 << 13)
#define   PLL_REF_INPUT_TVCLKINA	(1 << 13) /* i830 */
#define   PLL_REF_INPUT_TVCLKINBC	(2 << 13) /* SDVO TVCLKIN */
#define   PLLB_REF_INPUT_SPREADSPECTRUMIN (3 << 13)
#define   PLL_REF_INPUT_MASK		(3 << 13)
#define   PLL_LOAD_PULSE_PHASE_SHIFT		9
800
/* Ironlake */
801
802
803
804
805
806
# define PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT     9
# define PLL_REF_SDVO_HDMI_MULTIPLIER_MASK      (7 << 9)
# define PLL_REF_SDVO_HDMI_MULTIPLIER(x)	(((x)-1) << 9)
# define DPLL_FPA1_P1_POST_DIV_SHIFT            0
# define DPLL_FPA1_P1_POST_DIV_MASK             0xff

807
808
809
810
811
812
813
814
815
816
817
818
819
820
/*
 * Parallel to Serial Load Pulse phase selection.
 * Selects the phase for the 10X DPLL clock for the PCIe
 * digital display port. The range is 4 to 13; 10 or more
 * is just a flip delay. The default is 6
 */
#define   PLL_LOAD_PULSE_PHASE_MASK		(0xf << PLL_LOAD_PULSE_PHASE_SHIFT)
#define   DISPLAY_RATE_SELECT_FPA1		(1 << 8)
/*
 * SDVO multiplier for 945G/GM. Not used on 965.
 */
#define   SDVO_MULTIPLIER_MASK			0x000000ff
#define   SDVO_MULTIPLIER_SHIFT_HIRES		4
#define   SDVO_MULTIPLIER_SHIFT_VGA		0
821
#define _DPLL_A_MD 0x0601c /* 965+ only */
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
/*
 * UDI pixel divider, controlling how many pixels are stuffed into a packet.
 *
 * Value is pixels minus 1.  Must be set to 1 pixel for SDVO.
 */
#define   DPLL_MD_UDI_DIVIDER_MASK		0x3f000000
#define   DPLL_MD_UDI_DIVIDER_SHIFT		24
/* UDI pixel divider for VGA, same as DPLL_MD_UDI_DIVIDER_MASK. */
#define   DPLL_MD_VGA_UDI_DIVIDER_MASK		0x003f0000
#define   DPLL_MD_VGA_UDI_DIVIDER_SHIFT		16
/*
 * SDVO/UDI pixel multiplier.
 *
 * SDVO requires that the bus clock rate be between 1 and 2 Ghz, and the bus
 * clock rate is 10 times the DPLL clock.  At low resolution/refresh rate
 * modes, the bus rate would be below the limits, so SDVO allows for stuffing
 * dummy bytes in the datastream at an increased clock rate, with both sides of
 * the link knowing how many bytes are fill.
 *
 * So, for a mode with a dotclock of 65Mhz, we would want to double the clock
 * rate to 130Mhz to get a bus rate of 1.30Ghz.  The DPLL clock rate would be
 * set to 130Mhz, and the SDVO multiplier set to 2x in this register and
 * through an SDVO command.
 *
 * This register field has values of multiplication factor minus 1, with
 * a maximum multiplier of 5 for SDVO.
 */
#define   DPLL_MD_UDI_MULTIPLIER_MASK		0x00003f00
#define   DPLL_MD_UDI_MULTIPLIER_SHIFT		8
/*
 * SDVO/UDI pixel multiplier for VGA, same as DPLL_MD_UDI_MULTIPLIER_MASK.
 * This best be set to the default value (3) or the CRT won't work. No,
 * I don't entirely understand what this does...
 */
#define   DPLL_MD_VGA_UDI_MULTIPLIER_MASK	0x0000003f
#define   DPLL_MD_VGA_UDI_MULTIPLIER_SHIFT	0
858
859
860
861
862
863
864
865
#define _DPLL_B_MD 0x06020 /* 965+ only */
#define DPLL_MD(pipe) _PIPE(pipe, _DPLL_A_MD, _DPLL_B_MD)
#define _FPA0	0x06040
#define _FPA1	0x06044
#define _FPB0	0x06048
#define _FPB1	0x0604c
#define FP0(pipe) _PIPE(pipe, _FPA0, _FPB0)
#define FP1(pipe) _PIPE(pipe, _FPA1, _FPB1)
866
#define   FP_N_DIV_MASK		0x003f0000
867
#define   FP_N_PINEVIEW_DIV_MASK	0x00ff0000
868
869
870
871
#define   FP_N_DIV_SHIFT		16
#define   FP_M1_DIV_MASK	0x00003f00
#define   FP_M1_DIV_SHIFT		 8
#define   FP_M2_DIV_MASK	0x0000003f
872
#define   FP_M2_PINEVIEW_DIV_MASK	0x000000ff
873
874
875
876
877
878
879
880
881
882
883
884
885
#define   FP_M2_DIV_SHIFT		 0
#define DPLL_TEST	0x606c
#define   DPLLB_TEST_SDVO_DIV_1		(0 << 22)
#define   DPLLB_TEST_SDVO_DIV_2		(1 << 22)
#define   DPLLB_TEST_SDVO_DIV_4		(2 << 22)
#define   DPLLB_TEST_SDVO_DIV_MASK	(3 << 22)
#define   DPLLB_TEST_N_BYPASS		(1 << 19)
#define   DPLLB_TEST_M_BYPASS		(1 << 18)
#define   DPLLB_INPUT_BUFFER_ENABLE	(1 << 16)
#define   DPLLA_TEST_N_BYPASS		(1 << 3)
#define   DPLLA_TEST_M_BYPASS		(1 << 2)
#define   DPLLA_INPUT_BUFFER_ENABLE	(1 << 0)
#define D_STATE		0x6104
886
#define  DSTATE_GFX_RESET_I830			(1<<6)
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
#define  DSTATE_PLL_D3_OFF			(1<<3)
#define  DSTATE_GFX_CLOCK_GATING		(1<<1)
#define  DSTATE_DOT_CLOCK_GATING		(1<<0)
#define DSPCLK_GATE_D		0x6200
# define DPUNIT_B_CLOCK_GATE_DISABLE		(1 << 30) /* 965 */
# define VSUNIT_CLOCK_GATE_DISABLE		(1 << 29) /* 965 */
# define VRHUNIT_CLOCK_GATE_DISABLE		(1 << 28) /* 965 */
# define VRDUNIT_CLOCK_GATE_DISABLE		(1 << 27) /* 965 */
# define AUDUNIT_CLOCK_GATE_DISABLE		(1 << 26) /* 965 */
# define DPUNIT_A_CLOCK_GATE_DISABLE		(1 << 25) /* 965 */
# define DPCUNIT_CLOCK_GATE_DISABLE		(1 << 24) /* 965 */
# define TVRUNIT_CLOCK_GATE_DISABLE		(1 << 23) /* 915-945 */
# define TVCUNIT_CLOCK_GATE_DISABLE		(1 << 22) /* 915-945 */
# define TVFUNIT_CLOCK_GATE_DISABLE		(1 << 21) /* 915-945 */
# define TVEUNIT_CLOCK_GATE_DISABLE		(1 << 20) /* 915-945 */
# define DVSUNIT_CLOCK_GATE_DISABLE		(1 << 19) /* 915-945 */
# define DSSUNIT_CLOCK_GATE_DISABLE		(1 << 18) /* 915-945 */
# define DDBUNIT_CLOCK_GATE_DISABLE		(1 << 17) /* 915-945 */
# define DPRUNIT_CLOCK_GATE_DISABLE		(1 << 16) /* 915-945 */
# define DPFUNIT_CLOCK_GATE_DISABLE		(1 << 15) /* 915-945 */
# define DPBMUNIT_CLOCK_GATE_DISABLE		(1 << 14) /* 915-945 */
# define DPLSUNIT_CLOCK_GATE_DISABLE		(1 << 13) /* 915-945 */
# define DPLUNIT_CLOCK_GATE_DISABLE		(1 << 12) /* 915-945 */
# define DPOUNIT_CLOCK_GATE_DISABLE		(1 << 11)
# define DPBUNIT_CLOCK_GATE_DISABLE		(1 << 10)
# define DCUNIT_CLOCK_GATE_DISABLE		(1 << 9)
# define DPUNIT_CLOCK_GATE_DISABLE		(1 << 8)
# define VRUNIT_CLOCK_GATE_DISABLE		(1 << 7) /* 915+: reserved */
# define OVHUNIT_CLOCK_GATE_DISABLE		(1 << 6) /* 830-865 */
# define DPIOUNIT_CLOCK_GATE_DISABLE		(1 << 6) /* 915-945 */
# define OVFUNIT_CLOCK_GATE_DISABLE		(1 << 5)
# define OVBUNIT_CLOCK_GATE_DISABLE		(1 << 4)
/**
 * This bit must be set on the 830 to prevent hangs when turning off the
 * overlay scaler.
 */
# define OVRUNIT_CLOCK_GATE_DISABLE		(1 << 3)
# define OVCUNIT_CLOCK_GATE_DISABLE		(1 << 2)
# define OVUUNIT_CLOCK_GATE_DISABLE		(1 << 1)
# define ZVUNIT_CLOCK_GATE_DISABLE		(1 << 0) /* 830 */
# define OVLUNIT_CLOCK_GATE_DISABLE		(1 << 0) /* 845,865 */

#define RENCLK_GATE_D1		0x6204
# define BLITTER_CLOCK_GATE_DISABLE		(1 << 13) /* 945GM only */
# define MPEG_CLOCK_GATE_DISABLE		(1 << 12) /* 945GM only */
# define PC_FE_CLOCK_GATE_DISABLE		(1 << 11)
# define PC_BE_CLOCK_GATE_DISABLE		(1 << 10)
# define WINDOWER_CLOCK_GATE_DISABLE		(1 << 9)
# define INTERPOLATOR_CLOCK_GATE_DISABLE	(1 << 8)
# define COLOR_CALCULATOR_CLOCK_GATE_DISABLE	(1 << 7)
# define MOTION_COMP_CLOCK_GATE_DISABLE		(1 << 6)
# define MAG_CLOCK_GATE_DISABLE			(1 << 5)
/** This bit must be unset on 855,865 */
# define MECI_CLOCK_GATE_DISABLE		(1 << 4)
# define DCMP_CLOCK_GATE_DISABLE		(1 << 3)
# define MEC_CLOCK_GATE_DISABLE			(1 << 2)
# define MECO_CLOCK_GATE_DISABLE		(1 << 1)
/** This bit must be set on 855,865. */
# define SV_CLOCK_GATE_DISABLE			(1 << 0)
# define I915_MPEG_CLOCK_GATE_DISABLE		(1 << 16)
# define I915_VLD_IP_PR_CLOCK_GATE_DISABLE	(1 << 15)
# define I915_MOTION_COMP_CLOCK_GATE_DISABLE	(1 << 14)
# define I915_BD_BF_CLOCK_GATE_DISABLE		(1 << 13)
# define I915_SF_SE_CLOCK_GATE_DISABLE		(1 << 12)
# define I915_WM_CLOCK_GATE_DISABLE		(1 << 11)
# define I915_IZ_CLOCK_GATE_DISABLE		(1 << 10)
# define I915_PI_CLOCK_GATE_DISABLE		(1 << 9)
# define I915_DI_CLOCK_GATE_DISABLE		(1 << 8)
# define I915_SH_SV_CLOCK_GATE_DISABLE		(1 << 7)
# define I915_PL_DG_QC_FT_CLOCK_GATE_DISABLE	(1 << 6)
# define I915_SC_CLOCK_GATE_DISABLE		(1 << 5)
# define I915_FL_CLOCK_GATE_DISABLE		(1 << 4)
# define I915_DM_CLOCK_GATE_DISABLE		(1 << 3)
# define I915_PS_CLOCK_GATE_DISABLE		(1 << 2)
# define I915_CC_CLOCK_GATE_DISABLE		(1 << 1)
# define I915_BY_CLOCK_GATE_DISABLE		(1 << 0)

# define I965_RCZ_CLOCK_GATE_DISABLE		(1 << 30)
/** This bit must always be set on 965G/965GM */
# define I965_RCC_CLOCK_GATE_DISABLE		(1 << 29)
# define I965_RCPB_CLOCK_GATE_DISABLE		(1 << 28)
# define I965_DAP_CLOCK_GATE_DISABLE		(1 << 27)
# define I965_ROC_CLOCK_GATE_DISABLE		(1 << 26)
# define I965_GW_CLOCK_GATE_DISABLE		(1 << 25)
# define I965_TD_CLOCK_GATE_DISABLE		(1 << 24)
/** This bit must always be set on 965G */
# define I965_ISC_CLOCK_GATE_DISABLE		(1 << 23)
# define I965_IC_CLOCK_GATE_DISABLE		(1 << 22)
# define I965_EU_CLOCK_GATE_DISABLE		(1 << 21)
# define I965_IF_CLOCK_GATE_DISABLE		(1 << 20)
# define I965_TC_CLOCK_GATE_DISABLE		(1 << 19)
# define I965_SO_CLOCK_GATE_DISABLE		(1 << 17)
# define I965_FBC_CLOCK_GATE_DISABLE		(1 << 16)
# define I965_MARI_CLOCK_GATE_DISABLE		(1 << 15)
# define I965_MASF_CLOCK_GATE_DISABLE		(1 << 14)
# define I965_MAWB_CLOCK_GATE_DISABLE		(1 << 13)
# define I965_EM_CLOCK_GATE_DISABLE		(1 << 12)
# define I965_UC_CLOCK_GATE_DISABLE		(1 << 11)
# define I965_SI_CLOCK_GATE_DISABLE		(1 << 6)
# define I965_MT_CLOCK_GATE_DISABLE		(1 << 5)
# define I965_PL_CLOCK_GATE_DISABLE		(1 << 4)
# define I965_DG_CLOCK_GATE_DISABLE		(1 << 3)
# define I965_QC_CLOCK_GATE_DISABLE		(1 << 2)
# define I965_FT_CLOCK_GATE_DISABLE		(1 << 1)
# define I965_DM_CLOCK_GATE_DISABLE		(1 << 0)

#define RENCLK_GATE_D2		0x6208
#define VF_UNIT_CLOCK_GATE_DISABLE		(1 << 9)
#define GS_UNIT_CLOCK_GATE_DISABLE		(1 << 7)
#define CL_UNIT_CLOCK_GATE_DISABLE		(1 << 6)
#define RAMCLK_GATE_D		0x6210		/* CRL only */
#define DEUC			0x6214          /* CRL only */
999
1000
1001
1002
1003

/*
 * Palette regs
 */

1004
1005
1006
#define _PALETTE_A		0x0a000
#define _PALETTE_B		0x0a800
#define PALETTE(pipe) _PIPE(pipe, _PALETTE_A, _PALETTE_B)
1007

1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
/* MCH MMIO space */

/*
 * MCHBAR mirror.
 *
 * This mirrors the MCHBAR MMIO space whose location is determined by
 * device 0 function 0's pci config register 0x44 or 0x48 and matches it in
 * every way.  It is not accessible from the CP register read instructions.
 *
 */
#define MCHBAR_MIRROR_BASE	0x10000

1020
1021
#define MCHBAR_MIRROR_BASE_SNB	0x140000

1022
1023
1024
1025
1026
1027
1028
/** 915-945 and GM965 MCH register controlling DRAM channel access */
#define DCC			0x10200
#define DCC_ADDRESSING_MODE_SINGLE_CHANNEL		(0 << 0)
#define DCC_ADDRESSING_MODE_DUAL_CHANNEL_ASYMMETRIC	(1 << 0)
#define DCC_ADDRESSING_MODE_DUAL_CHANNEL_INTERLEAVED	(2 << 0)
#define DCC_ADDRESSING_MODE_MASK			(3 << 0)
#define DCC_CHANNEL_XOR_DISABLE				(1 << 10)
1029
#define DCC_CHANNEL_XOR_BIT_17				(1 << 9)
1030

1031
1032
1033
1034
/** Pineview MCH register contains DDR3 setting */
#define CSHRDDR3CTL            0x101a8
#define CSHRDDR3CTL_DDR3       (1 << 2)

1035
1036
1037
1038
/** 965 MCH register controlling DRAM channel configuration */
#define C0DRB3			0x10206
#define C1DRB3			0x10606

1039
1040
/* Clocking configuration register */
#define CLKCFG			0x10c00
1041
#define CLKCFG_FSB_400					(5 << 0)	/* hrawclk 100 */
1042
1043
1044
1045
1046
#define CLKCFG_FSB_533					(1 << 0)	/* hrawclk 133 */
#define CLKCFG_FSB_667					(3 << 0)	/* hrawclk 166 */
#define CLKCFG_FSB_800					(2 << 0)	/* hrawclk 200 */
#define CLKCFG_FSB_1067					(6 << 0)	/* hrawclk 266 */
#define CLKCFG_FSB_1333					(7 << 0)	/* hrawclk 333 */
1047
/* Note, below two are guess */
1048
#define CLKCFG_FSB_1600					(4 << 0)	/* hrawclk 400 */
1049
#define CLKCFG_FSB_1600_ALT				(0 << 0)	/* hrawclk 400 */
1050
#define CLKCFG_FSB_MASK					(7 << 0)
1051
1052
1053
1054
1055
#define CLKCFG_MEM_533					(1 << 4)
#define CLKCFG_MEM_667					(2 << 4)
#define CLKCFG_MEM_800					(3 << 4)
#define CLKCFG_MEM_MASK					(7 << 4)

1056
1057
#define TSC1			0x11001
#define   TSE			(1<<0)
1058
1059
1060
1061
1062
1063
#define TR1			0x11006
#define TSFS			0x11020
#define   TSFS_SLOPE_MASK	0x0000ff00
#define   TSFS_SLOPE_SHIFT	8
#define   TSFS_INTR_MASK	0x000000ff

1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
#define CRSTANDVID		0x11100
#define PXVFREQ_BASE		0x11110 /* P[0-15]VIDFREQ (0x1114c) (Ironlake) */
#define   PXVFREQ_PX_MASK	0x7f000000
#define   PXVFREQ_PX_SHIFT	24
#define VIDFREQ_BASE		0x11110
#define VIDFREQ1		0x11110 /* VIDFREQ1-4 (0x1111c) (Cantiga) */
#define VIDFREQ2		0x11114
#define VIDFREQ3		0x11118
#define VIDFREQ4		0x1111c
#define   VIDFREQ_P0_MASK	0x1f000000
#define   VIDFREQ_P0_SHIFT	24
#define   VIDFREQ_P0_CSCLK_MASK	0x00f00000
#define   VIDFREQ_P0_CSCLK_SHIFT 20
#define   VIDFREQ_P0_CRCLK_MASK	0x000f0000
#define   VIDFREQ_P0_CRCLK_SHIFT 16
#define   VIDFREQ_P1_MASK	0x00001f00
#define   VIDFREQ_P1_SHIFT	8
#define   VIDFREQ_P1_CSCLK_MASK	0x000000f0
#define   VIDFREQ_P1_CSCLK_SHIFT 4
#define   VIDFREQ_P1_CRCLK_MASK	0x0000000f
#define INTTOEXT_BASE_ILK	0x11300
#define INTTOEXT_BASE		0x11120 /* INTTOEXT1-8 (0x1113c) */
#define   INTTOEXT_MAP3_SHIFT	24
#define   INTTOEXT_MAP3_MASK	(0x1f << INTTOEXT_MAP3_SHIFT)
#define   INTTOEXT_MAP2_SHIFT	16
#define   INTTOEXT_MAP2_MASK	(0x1f << INTTOEXT_MAP2_SHIFT)
#define   INTTOEXT_MAP1_SHIFT	8
#define   INTTOEXT_MAP1_MASK	(0x1f << INTTOEXT_MAP1_SHIFT)
#define   INTTOEXT_MAP0_SHIFT	0
#define   INTTOEXT_MAP0_MASK	(0x1f << INTTOEXT_MAP0_SHIFT)
#define MEMSWCTL		0x11170 /* Ironlake only */
#define   MEMCTL_CMD_MASK	0xe000
#define   MEMCTL_CMD_SHIFT	13
#define   MEMCTL_CMD_RCLK_OFF	0
#define   MEMCTL_CMD_RCLK_ON	1
#define   MEMCTL_CMD_CHFREQ	2
#define   MEMCTL_CMD_CHVID	3
#define   MEMCTL_CMD_VMMOFF	4
#define   MEMCTL_CMD_VMMON	5
#define   MEMCTL_CMD_STS	(1<<12) /* write 1 triggers command, clears
					   when command complete */
#define   MEMCTL_FREQ_MASK	0x0f00 /* jitter, from 0-15 */
#define   MEMCTL_FREQ_SHIFT	8
#define   MEMCTL_SFCAVM		(1<<7)
#define   MEMCTL_TGT_VID_MASK	0x007f
#define MEMIHYST		0x1117c
#define MEMINTREN		0x11180 /* 16 bits */
#define   MEMINT_RSEXIT_EN	(1<<8)
#define   MEMINT_CX_SUPR_EN	(1<<7)
#define   MEMINT_CONT_BUSY_EN	(1<<6)
#define   MEMINT_AVG_BUSY_EN	(1<<5)
#define   MEMINT_EVAL_CHG_EN	(1<<4)
#define   MEMINT_MON_IDLE_EN	(1<<3)
#define   MEMINT_UP_EVAL_EN	(1<<2)
#define   MEMINT_DOWN_EVAL_EN	(1<<1)
#define   MEMINT_SW_CMD_EN	(1<<0)
#define MEMINTRSTR		0x11182 /* 16 bits */
#define   MEM_RSEXIT_MASK	0xc000
#define   MEM_RSEXIT_SHIFT	14
#define   MEM_CONT_BUSY_MASK	0x3000
#define   MEM_CONT_BUSY_SHIFT	12
#define   MEM_AVG_BUSY_MASK	0x0c00
#define   MEM_AVG_BUSY_SHIFT	10
#define   MEM_EVAL_CHG_MASK	0x0300
#define   MEM_EVAL_BUSY_SHIFT	8
#define   MEM_MON_IDLE_MASK	0x00c0
#define   MEM_MON_IDLE_SHIFT	6
#define   MEM_UP_EVAL_MASK	0x0030
#define   MEM_UP_EVAL_SHIFT	4
#define   MEM_DOWN_EVAL_MASK	0x000c
#define   MEM_DOWN_EVAL_SHIFT	2
#define   MEM_SW_CMD_MASK	0x0003
#define   MEM_INT_STEER_GFX	0
#define   MEM_INT_STEER_CMR	1
#define   MEM_INT_STEER_SMI	2
#define   MEM_INT_STEER_SCI	3
#define MEMINTRSTS		0x11184
#define   MEMINT_RSEXIT		(1<<7)
#define   MEMINT_CONT_BUSY	(1<<6)
#define   MEMINT_AVG_BUSY	(1<<5)
#define   MEMINT_EVAL_CHG	(1<<4)
#define   MEMINT_MON_IDLE	(1<<3)
#define   MEMINT_UP_EVAL	(1<<2)
#define   MEMINT_DOWN_EVAL	(1<<1)
#define   MEMINT_SW_CMD		(1<<0)
#define MEMMODECTL		0x11190
#define   MEMMODE_BOOST_EN	(1<<31)
#define   MEMMODE_BOOST_FREQ_MASK 0x0f000000 /* jitter for boost, 0-15 */
#define   MEMMODE_BOOST_FREQ_SHIFT 24
#define   MEMMODE_IDLE_MODE_MASK 0x00030000
#define   MEMMODE_IDLE_MODE_SHIFT 16
#define   MEMMODE_IDLE_MODE_EVAL 0
#define   MEMMODE_IDLE_MODE_CONT 1
#define   MEMMODE_HWIDLE_EN	(1<<15)
#define   MEMMODE_SWMODE_EN	(1<<14)
#define   MEMMODE_RCLK_GATE	(1<<13)
#define   MEMMODE_HW_UPDATE	(1<<12)
#define   MEMMODE_FSTART_MASK	0x00000f00 /* starting jitter, 0-15 */
#define   MEMMODE_FSTART_SHIFT	8
#define   MEMMODE_FMAX_MASK	0x000000f0 /* max jitter, 0-15 */
#define   MEMMODE_FMAX_SHIFT	4
#define   MEMMODE_FMIN_MASK	0x0000000f /* min jitter, 0-15 */
#define RCBMAXAVG		0x1119c
#define MEMSWCTL2		0x1119e /* Cantiga only */
#define   SWMEMCMD_RENDER_OFF	(0 << 13)
#define   SWMEMCMD_RENDER_ON	(1 << 13)
#define   SWMEMCMD_SWFREQ	(2 << 13)
#define   SWMEMCMD_TARVID	(3 << 13)
#define   SWMEMCMD_VRM_OFF	(4 << 13)
#define   SWMEMCMD_VRM_ON	(5 << 13)
#define   CMDSTS		(1<<12)
#define   SFCAVM		(1<<11)
#define   SWFREQ_MASK		0x0380 /* P0-7 */
#define   SWFREQ_SHIFT		7
#define   TARVID_MASK		0x001f
#define MEMSTAT_CTG		0x111a0
#define RCBMINAVG		0x111a0
#define RCUPEI			0x111b0
#define RCDNEI			0x111b4
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#define RSTDBYCTL		0x111b8
#define   RS1EN			(1<<31)
#define   RS2EN			(1<<30)
#define   RS3EN			(1<<29)
#define   D3RS3EN		(1<<28) /* Display D3 imlies RS3 */
#define   SWPROMORSX		(1<<27) /* RSx promotion timers ignored */
#define   RCWAKERW		(1<<26) /* Resetwarn from PCH causes wakeup */
#define   DPRSLPVREN		(1<<25) /* Fast voltage ramp enable */
#define   GFXTGHYST		(1<<24) /* Hysteresis to allow trunk gating */
#define   RCX_SW_EXIT		(1<<23) /* Leave RSx and prevent re-entry */
#define   RSX_STATUS_MASK	(7<<20)
#define   RSX_STATUS_ON		(0<<20)
#define   RSX_STATUS_RC1	(1<<20)
#define   RSX_STATUS_RC1E	(2<<20)
#define   RSX_STATUS_RS1	(3<<20)
#define   RSX_STATUS_RS2	(4<<20) /* aka rc6 */
#define   RSX_STATUS_RSVD	(5<<20) /* deep rc6 unsupported on ilk */
#define   RSX_STATUS_RS3	(6<<20) /* rs3 unsupported on ilk */
#define   RSX_STATUS_RSVD2	(7<<20)
#define   UWRCRSXE		(1<<19) /* wake counter limit prevents rsx */
#define   RSCRP			(1<<18) /* rs requests control on rs1/2 reqs */
#define   JRSC			(1<<17) /* rsx coupled to cpu c-state */
#define   RS2INC0		(1<<16) /* allow rs2 in cpu c0 */
#define   RS1CONTSAV_MASK	(3<<14)
#define   RS1CONTSAV_NO_RS1	(0<<14) /* rs1 doesn't save/restore context */
#define   RS1CONTSAV_RSVD	(1<<14)
#define   RS1CONTSAV_SAVE_RS1	(2<<14) /* rs1 saves context */
#define   RS1CONTSAV_FULL_RS1	(3<<14) /* rs1 saves and restores context */
#define   NORMSLEXLAT_MASK	(3<<12)
#define   SLOW_RS123		(0<<12)
#define   SLOW_RS23		(1<<12)
#define   SLOW_RS3		(2<<12)
#define   NORMAL_RS123		(3<<12)
#define   RCMODE_TIMEOUT	(1<<11) /* 0 is eval interval method */
#define   IMPROMOEN		(1<<10) /* promo is immediate or delayed until next idle interval (only for timeout method above) */
#define   RCENTSYNC		(1<<9) /* rs coupled to cpu c-state (3/6/7) */
#define   STATELOCK		(1<<7) /* locked to rs_cstate if 0 */
#define   RS_CSTATE_MASK	(3<<4)
#define   RS_CSTATE_C367_RS1	(0<<4)
#define   RS_CSTATE_C36_RS1_C7_RS2 (1<<4)
#define   RS_CSTATE_RSVD	(2<<4)
#define   RS_CSTATE_C367_RS2	(3<<4)
#define   REDSAVES		(1<<3) /* no context save if was idle during rs0 */
#define   REDRESTORES		(1<<2) /* no restore if was idle during rs0 */
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#define VIDCTL			0x111c0
#define VIDSTS			0x111c8
#define VIDSTART		0x111cc /* 8 bits */
#define MEMSTAT_ILK			0x111f8
#define   MEMSTAT_VID_MASK	0x7f00
#define   MEMSTAT_VID_SHIFT	8
#define   MEMSTAT_PSTATE_MASK	0x00f8
#define   MEMSTAT_PSTATE_SHIFT  3
#define   MEMSTAT_MON_ACTV	(1<<2)
#define   MEMSTAT_SRC_CTL_MASK	0x0003
#define   MEMSTAT_SRC_CTL_CORE	0
#define   MEMSTAT_SRC_CTL_TRB	1
#define   MEMSTAT_SRC_CTL_THM	2
#define   MEMSTAT_SRC_CTL_STDBY 3
#define RCPREVBSYTUPAVG		0x113b8
#define RCPREVBSYTDNAVG		0x113bc
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#define PMMISC			0x11214
#define   MCPPCE_EN		(1<<0) /* enable PM_MSG from PCH->MPC */
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#define SDEW			0x1124c
#define CSIEW0			0x11250
#define CSIEW1			0x11254
#define CSIEW2			0x11258
#define PEW			0x1125c
#define DEW			0x11270
#define MCHAFE			0x112c0
#define CSIEC			0x112e0
#define DMIEC			0x112e4
#define DDREC			0x112e8
#define PEG0EC			0x112ec
#define PEG1EC			0x112f0
#define GFXEC			0x112f4
#define RPPREVBSYTUPAVG		0x113b8
#define RPPREVBSYTDNAVG		0x113bc
#define ECR			0x11600
#define   ECR_GPFE		(1<<31)
#define   ECR_IMONE		(1<<30)
#define   ECR_CAP_MASK		0x0000001f /* Event range, 0-31 */
#define OGW0			0x11608
#define OGW1			0x1160c
#define EG0			0x11610
#define EG1			0x11614
#define EG2			0x11618
#define EG3			0x1161c
#define EG4			0x11620
#define EG5			0x11624
#define EG6			0x11628
#define EG7			0x1162c
#define PXW			0x11664
#define PXWL			0x11680
#define LCFUSE02		0x116c0
#define   LCFUSE_HIV_MASK	0x000000ff
#define CSIPLL0			0x12c10
#define DDRMPLL1		0X12c20
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#define PEG_BAND_GAP_DATA	0x14d68

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#define GEN6_GT_PERF_STATUS	0x145948
#define GEN6_RP_STATE_LIMITS	0x145994
#define GEN6_RP_STATE_CAP	0x145998

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/*
 * Logical Context regs
 */
#define CCID			0x2180
#define   CCID_EN		(1<<0)
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/*
 * Overlay regs
 */

#define OVADD			0x30000
#define DOVSTA			0x30008
#define OC_BUF			(0x3<<20)
#define OGAMC5			0x30010
#define OGAMC4			0x30014
#define OGAMC3			0x30018
#define OGAMC2			0x3001c
#define OGAMC1			0x30020
#define OGAMC0			0x30024

/*
 * Display engine regs
 */

/* Pipe A timing regs */
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#define _HTOTAL_A	0x60000
#define _HBLANK_A	0x60004
#define _HSYNC_A		0x60008
#define _VTOTAL_A	0x6000c
#define _VBLANK_A	0x60010
#define _VSYNC_A		0x60014
#define _PIPEASRC	0x6001c
#define _BCLRPAT_A	0x60020
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/* Pipe B timing regs */
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#define _HTOTAL_B	0x61000
#define _HBLANK_B	0x61004
#define _HSYNC_B		0x61008
#define _VTOTAL_B	0x6100c
#define _VBLANK_B	0x61010
#define _VSYNC_B		0x61014
#define _PIPEBSRC	0x6101c
#define _BCLRPAT_B	0x61020

#define HTOTAL(pipe) _PIPE(pipe, _HTOTAL_A, _HTOTAL_B)
#define HBLANK(pipe) _PIPE(pipe, _HBLANK_A, _HBLANK_B)
#define HSYNC(pipe) _PIPE(pipe, _HSYNC_A, _HSYNC_B)
#define VTOTAL(pipe) _PIPE(pipe, _VTOTAL_A, _VTOTAL_B)
#define VBLANK(pipe) _PIPE(pipe, _VBLANK_A, _VBLANK_B)
#define VSYNC(pipe) _PIPE(pipe, _VSYNC_A, _VSYNC_B)
#define BCLRPAT(pipe) _PIPE(pipe, _BCLRPAT_A, _BCLRPAT_B)
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/* VGA port control */
#define ADPA			0x61100
#define   ADPA_DAC_ENABLE	(1<<31)
#define   ADPA_DAC_DISABLE	0
#define   ADPA_PIPE_SELECT_MASK	(1<<30)
#define   ADPA_PIPE_A_SELECT	0
#define   ADPA_PIPE_B_SELECT	(1<<30)
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#define   ADPA_PIPE_SELECT(pipe) ((pipe) << 30)
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#define   ADPA_USE_VGA_HVPOLARITY (1<<15)
#define   ADPA_SETS_HVPOLARITY	0
#define   ADPA_VSYNC_CNTL_DISABLE (1<<11)
#define   ADPA_VSYNC_CNTL_ENABLE 0
#define   ADPA_HSYNC_CNTL_DISABLE (1<<10)
#define   ADPA_HSYNC_CNTL_ENABLE 0
#define   ADPA_VSYNC_ACTIVE_HIGH (1<<4)
#define   ADPA_VSYNC_ACTIVE_LOW	0
#define   ADPA_HSYNC_ACTIVE_HIGH (1<<3)
#define   ADPA_HSYNC_ACTIVE_LOW	0
#define   ADPA_DPMS_MASK	(~(3<<10))
#define   ADPA_DPMS_ON		(0<<10)
#define   ADPA_DPMS_SUSPEND	(1<<10)
#define   ADPA_DPMS_STANDBY	(2<<10)
#define   ADPA_DPMS_OFF		(3<<10)

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/* Hotplug control (945+ only) */
#define PORT_HOTPLUG_EN		0x61110
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#define   HDMIB_HOTPLUG_INT_EN			(1 << 29)
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#define   DPB_HOTPLUG_INT_EN			(1 << 29)
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#define   HDMIC_HOTPLUG_INT_EN			(1 << 28)
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#define   DPC_HOTPLUG_INT_EN			(1 << 28)
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#define   HDMID_HOTPLUG_INT_EN			(1 << 27)
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#define   DPD_HOTPLUG_INT_EN			(1 << 27)
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#define   SDVOB_HOTPLUG_INT_EN			(1 << 26)
#define   SDVOC_HOTPLUG_INT_EN			(1 << 25)
#define   TV_HOTPLUG_INT_EN			(1 << 18)
#define   CRT_HOTPLUG_INT_EN			(1 << 9)
#define   CRT_HOTPLUG_FORCE_DETECT		(1 << 3)
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#define CRT_HOTPLUG_ACTIVATION_PERIOD_32	(0 << 8)
/* must use period 64 on GM45 according to docs */
#define CRT_HOTPLUG_ACTIVATION_PERIOD_64	(1 << 8)
#define CRT_HOTPLUG_DAC_ON_TIME_2M		(0 << 7)
#define CRT_HOTPLUG_DAC_ON_TIME_4M		(1 << 7)
#define CRT_HOTPLUG_VOLTAGE_COMPARE_40		(0 << 5)
#define CRT_HOTPLUG_VOLTAGE_COMPARE_50		(1 << 5)
#define CRT_HOTPLUG_VOLTAGE_COMPARE_60		(2 << 5)
#define CRT_HOTPLUG_VOLTAGE_COMPARE_70		(3 << 5)
#define CRT_HOTPLUG_VOLTAGE_COMPARE_MASK	(3 << 5)
#define CRT_HOTPLUG_DETECT_DELAY_1G		(0 << 4)
#define CRT_HOTPLUG_DETECT_DELAY_2G		(1 << 4)
#define CRT_HOTPLUG_DETECT_VOLTAGE_325MV	(0 << 2)
#define CRT_HOTPLUG_DETECT_VOLTAGE_475MV	(1 << 2)
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#define PORT_HOTPLUG_STAT	0x61114
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#define   HDMIB_HOTPLUG_INT_STATUS		(1 << 29)
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#define   DPB_HOTPLUG_INT_STATUS		(1 << 29)
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#define   HDMIC_HOTPLUG_INT_STATUS		(1 << 28)
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#define   DPC_HOTPLUG_INT_STATUS		(1 << 28)
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#define   HDMID_HOTPLUG_INT_STATUS		(1 << 27)
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#define   DPD_HOTPLUG_INT_STATUS		(1 << 27)
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#define   CRT_HOTPLUG_INT_STATUS		(1 << 11)
#define   TV_HOTPLUG_INT_STATUS			(1 << 10)
#define   CRT_HOTPLUG_MONITOR_MASK		(3 << 8)
#define   CRT_HOTPLUG_MONITOR_COLOR		(3 << 8)
#define   CRT_HOTPLUG_MONITOR_MONO		(2 << 8)
#define   CRT_HOTPLUG_MONITOR_NONE		(0 << 8)
#define   SDVOC_HOTPLUG_INT_STATUS		(1 << 7)
#define   SDVOB_HOTPLUG_INT_STATUS		(1 << 6)

/* SDVO port control */
#define SDVOB			0x61140
#define SDVOC			0x61160
#define   SDVO_ENABLE		(1 << 31)
#define   SDVO_PIPE_B_SELECT	(1 << 30)
#define   SDVO_STALL_SELECT	(1 << 29)
#define   SDVO_INTERRUPT_ENABLE	(1 << 26)
/**
 * 915G/GM SDVO pixel multiplier.
 *
 * Programmed value is multiplier - 1, up to 5x.
 *
 * \sa DPLL_MD_UDI_MULTIPLIER_MASK
 */
#define   SDVO_PORT_MULTIPLY_MASK	(7 << 23)
#define   SDVO_PORT_MULTIPLY_SHIFT		23
#define   SDVO_PHASE_SELECT_MASK	(15 << 19)
#define   SDVO_PHASE_SELECT_DEFAULT	(6 << 19)
#define   SDVO_CLOCK_OUTPUT_INVERT	(1 << 18)
#define   SDVOC_GANG_MODE		(1 << 16)
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#define   SDVO_ENCODING_SDVO		(0x0 << 10)
#define   SDVO_ENCODING_HDMI		(0x2 << 10)
/** Requird for HDMI operation */
#define   SDVO_NULL_PACKETS_DURING_VSYNC (1 << 9)
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#define   SDVO_COLOR_RANGE_16_235	(1 << 8)
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#define   SDVO_BORDER_ENABLE		(1 << 7)
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#define   SDVO_AUDIO_ENABLE		(1 << 6)
/** New with 965, default is to be set */
#define   SDVO_VSYNC_ACTIVE_HIGH	(1 << 4)
/** New with 965, default is to be set */
#define   SDVO_HSYNC_ACTIVE_HIGH	(1 << 3)
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#define   SDVOB_PCIE_CONCURRENCY	(1 << 3)
#define   SDVO_DETECTED			(1 << 2)
/* Bits to be preserved when writing */
#define   SDVOB_PRESERVE_MASK ((1 << 17) | (1 << 16) | (1 << 14) | (1 << 26))
#define   SDVOC_PRESERVE_MASK ((1 << 17) | (1 << 26))

/* DVO port control */
#define DVOA			0x61120
#define DVOB			0x61140
#define DVOC			0x61160
#define   DVO_ENABLE			(1 << 31)
#define   DVO_PIPE_B_SELECT		(1 << 30)
#define   DVO_PIPE_STALL_UNUSED		(0 << 28)
#define   DVO_PIPE_STALL		(1 << 28)
#define   DVO_PIPE_STALL_TV		(2 << 28)
#define   DVO_PIPE_STALL_MASK		(3 << 28)
#define   DVO_USE_VGA_SYNC		(1 << 15)
#define   DVO_DATA_ORDER_I740		(0 << 14)
#define   DVO_DATA_ORDER_FP		(1 << 14)
#define   DVO_VSYNC_DISABLE		(1 << 11)
#define   DVO_HSYNC_DISABLE		(1 << 10)
#define   DVO_VSYNC_TRISTATE		(1 << 9)
#define   DVO_HSYNC_TRISTATE		(1 << 8)
#define   DVO_BORDER_ENABLE		(1 << 7)
#define   DVO_DATA_ORDER_GBRG		(1 << 6)
#define   DVO_DATA_ORDER_RGGB		(0 << 6)
#define   DVO_DATA_ORDER_GBRG_ERRATA	(0 << 6)
#define   DVO_DATA_ORDER_RGGB_ERRATA	(1 << 6)
#define   DVO_VSYNC_ACTIVE_HIGH		(1 << 4)
#define   DVO_HSYNC_ACTIVE_HIGH		(1 << 3)
#define   DVO_BLANK_ACTIVE_HIGH		(1 << 2)
#define   DVO_OUTPUT_CSTATE_PIXELS	(1 << 1)	/* SDG only */
#define   DVO_OUTPUT_SOURCE_SIZE_PIXELS	(1 << 0)	/* SDG only */
#define   DVO_PRESERVE_MASK		(0x7<<24)
#define DVOA_SRCDIM		0x61124
#define DVOB_SRCDIM		0x61144
#define DVOC_SRCDIM		0x61164
#define   DVO_SRCDIM_HORIZONTAL_SHIFT	12
#define   DVO_SRCDIM_VERTICAL_SHIFT	0

/* LVDS port control */
#define LVDS			0x61180
/*
 * Enables the LVDS port.  This bit must be set before DPLLs are enabled, as
 * the DPLL semantics change when the LVDS is assigned to that pipe.
 */
#define   LVDS_PORT_EN			(1 << 31)
/* Selects pipe B for LVDS data.  Must be set on pre-965. */
#define   LVDS_PIPEB_SELECT		(1 << 30)
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#define   LVDS_PIPE_MASK		(1 << 30)
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#define   LVDS_PIPE(pipe)		((pipe) << 30)
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/* LVDS dithering flag on 965/g4x platform */
#define   LVDS_ENABLE_DITHER		(1 << 25)
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/* LVDS sync polarity flags. Set to invert (i.e. negative) */
#define   LVDS_VSYNC_POLARITY		(1 << 21)
#define   LVDS_HSYNC_POLARITY		(1 << 20)

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/* Enable border for unscaled (or aspect-scaled) display */
#define   LVDS_BORDER_ENABLE		(1 << 15)
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/*
 * Enables the A0-A2 data pairs and CLKA, containing 18 bits of color data per
 * pixel.
 */
#define   LVDS_A0A2_CLKA_POWER_MASK	(3 << 8)
#define   LVDS_A0A2_CLKA_POWER_DOWN	(0 << 8)
#define   LVDS_A0A2_CLKA_POWER_UP	(3 << 8)
/*
 * Controls the A3 data pair, which contains the additional LSBs for 24 bit
 * mode.  Only enabled if LVDS_A0A2_CLKA_POWER_UP also indicates it should be
 * on.
 */
#define   LVDS_A3_POWER_MASK		(3 << 6)
#define   LVDS_A3_POWER_DOWN		(0 << 6)
#define   LVDS_A3_POWER_UP		(3 << 6)
/*
 * Controls the CLKB pair.  This should only be set when LVDS_B0B3_POWER_UP
 * is set.
 */
#define   LVDS_CLKB_POWER_MASK		(3 << 4)
#define   LVDS_CLKB_POWER_DOWN		(0 << 4)
#define   LVDS_CLKB_POWER_UP		(3 << 4)
/*
 * Controls the B0-B3 data pairs.  This must be set to match the DPLL p2
 * setting for whether we are in dual-channel mode.  The B3 pair will
 * additionally only be powered up when LVDS_A3_POWER_UP is set.
 */
#define   LVDS_B0B3_POWER_MASK		(3 << 2)
#define   LVDS_B0B3_POWER_DOWN		(0 << 2)
#define   LVDS_B0B3_POWER_UP		(3 << 2)

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/* Video Data Island Packet control */
#define VIDEO_DIP_DATA		0x61178
#define VIDEO_DIP_CTL		0x61170
#define   VIDEO_DIP_ENABLE		(1 << 31)
#define   VIDEO_DIP_PORT_B		(1 << 29)
#define   VIDEO_DIP_PORT_C		(2 << 29)
#define   VIDEO_DIP_ENABLE_AVI		(1 << 21)
#define   VIDEO_DIP_ENABLE_VENDOR	(2 << 21)
#define   VIDEO_DIP_ENABLE_SPD		(8 << 21)
#define   VIDEO_DIP_SELECT_AVI		(0 << 19)
#define   VIDEO_DIP_SELECT_VENDOR	(1 << 19)
#define   VIDEO_DIP_SELECT_SPD		(3 << 19)
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#define   VIDEO_DIP_SELECT_MASK		(3 << 19)
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#define   VIDEO_DIP_FREQ_ONCE		(0 << 16)
#define   VIDEO_DIP_FREQ_VSYNC		(1 << 16)
#define   VIDEO_DIP_FREQ_2VSYNC		(2 << 16)

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/* Panel power sequencing */
#define PP_STATUS	0x61200
#define   PP_ON		(1 << 31)
/*
 * Indicates that all dependencies of the panel are on:
 *
 * - PLL enabled
 * - pipe enabled
 * - LVDS/DVOB/DVOC on
 */
#define   PP_READY		(1 << 30)
#define   PP_SEQUENCE_NONE	(0 << 28)
#define   PP_SEQUENCE_ON	(1 << 28)
#define   PP_SEQUENCE_OFF	(2 << 28)
#define   PP_SEQUENCE_MASK	0x30000000
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#define   PP_CYCLE_DELAY_ACTIVE	(1 << 27)
#define   PP_SEQUENCE_STATE_ON_IDLE (1 << 3)
#define   PP_SEQUENCE_STATE_MASK 0x0000000f
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#define PP_CONTROL	0x61204
#define   POWER_TARGET_ON	(1 << 0)
#define PP_ON_DELAYS	0x61208
#define PP_OFF_DELAYS	0x6120c
#define PP_DIVISOR	0x61210

/* Panel fitting */
#define PFIT_CONTROL	0x61230
#define   PFIT_ENABLE		(1 << 31)
#define   PFIT_PIPE_MASK	(3 << 29)
#define   PFIT_PIPE_SHIFT	29
#define   VERT_INTERP_DISABLE	(0 << 10)
#define   VERT_INTERP_BILINEAR	(1 << 10)
#define   VERT_INTERP_MASK	(3 << 10)
#define   VERT_AUTO_SCALE	(1 << 9)
#define   HORIZ_INTERP_DISABLE	(0 << 6)
#define   HORIZ_INTERP_BILINEAR	(1 << 6)
#define   HORIZ_INTERP_MASK	(3 << 6)
#define   HORIZ_AUTO_SCALE	(1 << 5)
#define   PANEL_8TO6_DITHER_ENABLE (1 << 3)
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#define   PFIT_FILTER_FUZZY	(0 << 24)
#define   PFIT_SCALING_AUTO	(0 << 26)
#define   PFIT_SCALING_PROGRAMMED (1 << 26)
#define   PFIT_SCALING_PILLAR	(2 << 26)
#define   PFIT_SCALING_LETTER	(3 << 26)
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#define PFIT_PGM_RATIOS	0x61234
#define   PFIT_VERT_SCALE_MASK			0xfff00000
#define   PFIT_HORIZ_SCALE_MASK			0x0000fff0
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/* Pre-965 */
#define		PFIT_VERT_SCALE_SHIFT		20
#define		PFIT_VERT_SCALE_MASK		0xfff00000
#define		PFIT_HORIZ_SCALE_SHIFT		4
#define		PFIT_HORIZ_SCALE_MASK		0x0000fff0
/* 965+ */
#define		PFIT_VERT_SCALE_SHIFT_965	16
#define		PFIT_VERT_SCALE_MASK_965	0x1fff0000
#define		PFIT_HORIZ_SCALE_SHIFT_965	0
#define		PFIT_HORIZ_SCALE_MASK_965	0x00001fff

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#define PFIT_AUTO_RATIOS 0x61238

/* Backlight control */
#define BLC_PWM_CTL		0x61254
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#define   BACKLIGHT_MODULATION_FREQ_SHIFT		(17)
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#define BLC_PWM_CTL2		0x61250 /* 965+ only */
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#define   BLM_COMBINATION_MODE (1 << 30)
/*
 * This is the most significant 15 bits of the number of backlight cycles in a
 * complete cycle of the modulated backlight control.
 *
 * The actual value is this field multiplied by two.
 */
#define   BACKLIGHT_MODULATION_FREQ_MASK		(0x7fff << 17)
#define   BLM_LEGACY_MODE				(1 << 16)
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/*
 * This is the number of cycles out of the backlight modulation cycle for which
 * the backlight is on.
 *
 * This field must be no greater than the number of cycles in the complete
 * backlight modulation cycle.
 */
#define   BACKLIGHT_DUTY_CYCLE_SHIFT		(0)
#define   BACKLIGHT_DUTY_CYCLE_MASK		(0xffff)

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#define BLC_HIST_CTL		0x61260

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/* TV port control */
#define TV_CTL			0x68000
/** Enables the TV encoder */
# define TV_ENC_ENABLE			(1 << 31)
/** Sources the TV encoder input from pipe B instead of A. */
# define TV_ENC_PIPEB_SELECT		(1 << 30)
/** Outputs composite video (DAC A only) */
# define TV_ENC_OUTPUT_COMPOSITE	(0 << 28)
/** Outputs SVideo video (DAC B/C) */
# define TV_ENC_OUTPUT_SVIDEO		(1 << 28)
/** Outputs Component video (DAC A/B/C) */
# define TV_ENC_OUTPUT_COMPONENT	(2 << 28)
/** Outputs Composite and SVideo (DAC A/B/C) */
# define TV_ENC_OUTPUT_SVIDEO_COMPOSITE	(3 << 28)
# define TV_TRILEVEL_SYNC		(1 << 21)
/** Enables slow sync generation (945GM only) */
# define TV_SLOW_SYNC			(1 << 20)
/** Selects 4x oversampling for 480i and 576p */
# define TV_OVERSAMPLE_4X		(0 << 18)
/** Selects 2x oversampling for 720p and 1080i */
# define TV_OVERSAMPLE_2X		(1 << 18)
/** Selects no oversampling for 1080p */
# define TV_OVERSAMPLE_NONE		(2 << 18)
/** Selects 8x oversampling */
# define TV_OVERSAMPLE_8X		(3 << 18)
/** Selects progressive mode rather than interlaced */
# define TV_PROGRESSIVE			(1 << 17)
/** Sets the colorburst to PAL mode.  Required for non-M PAL modes. */
# define TV_PAL_BURST			(1 << 16)
/** Field for setting delay of Y compared to C */
# define TV_YC_SKEW_MASK		(7 << 12)
/** Enables a fix for 480p/576p standard definition modes on the 915GM only */
# define TV_ENC_SDP_FIX			(1 << 11)
/**
 * Enables a fix for the 915GM only.
 *
 * Not sure what it does.
 */
# define TV_ENC_C0_FIX			(1 << 10)
/** Bits that must be preserved by software */
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# define TV_CTL_SAVE			((1 << 11) | (3 << 9) | (7 << 6) | 0xf)
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# define TV_FUSE_STATE_MASK		(3 << 4)
/** Read-only state that reports all features enabled */
# define TV_FUSE_STATE_ENABLED		(0 << 4)
/** Read-only state that reports that Macrovision is disabled in hardware*/
# define TV_FUSE_STATE_NO_MACROVISION	(1 << 4)
/** Read-only state that reports that TV-out is disabled in hardware. */
# define TV_FUSE_STATE_DISABLED		(2 << 4)
/** Normal operation */
# define TV_TEST_MODE_NORMAL		(0 << 0)
/** Encoder test pattern 1 - combo pattern */
# define TV_TEST_MODE_PATTERN_1		(1 << 0)
/** Encoder test pattern 2 - full screen vertical 75% color bars */
# define TV_TEST_MODE_PATTERN_2		(2 << 0)
/** Encoder test pattern 3 - full screen horizontal 75% color bars */
# define TV_TEST_MODE_PATTERN_3		(3 << 0)
/** Encoder test pattern 4 - random noise */
# define TV_TEST_MODE_PATTERN_4		(4 << 0)
/** Encoder test pattern 5 - linear color ramps */
# define TV_TEST_MODE_PATTERN_5		(5 << 0)
/**
 * This test mode forces the DACs to 50% of full output.
 *
 * This is used for load detection in combination with TVDAC_SENSE_MASK
 */
# define TV_TEST_MODE_MONITOR_DETECT	(7 << 0)
# define TV_TEST_MODE_MASK		(7 << 0)

#define TV_DAC			0x68004
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# define TV_DAC_SAVE		0x00ffff00
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/**
 * Reports that DAC state change logic has reported change (RO).
 *
 * This gets cleared when TV_DAC_STATE_EN is cleared
*/
# define TVDAC_STATE_CHG		(1 << 31)
# define TVDAC_SENSE_MASK		(7 << 28)
/** Reports that DAC A voltage is above the detect threshold */
# define TVDAC_A_SENSE			(1 << 30)
/** Reports that DAC B voltage is above the detect threshold */
# define TVDAC_B_SENSE			(1 << 29)
/** Reports that DAC C voltage is above the detect threshold */
# define TVDAC_C_SENSE			(1 << 28)
/**
 * Enables DAC state detection logic, for load-based TV detection.
 *
 * The PLL of the chosen pipe (in TV_CTL) must be running, and the encoder set
 * to off, for load detection to work.
 */
# define TVDAC_STATE_CHG_EN		(1 << 27)
/** Sets the DAC A sense value to high */
# define TVDAC_A_SENSE_CTL		(1 << 26)
/** Sets the DAC B sense value to high */
# define TVDAC_B_SENSE_CTL		(1 << 25)
/** Sets the DAC C sense value to high */
# define TVDAC_C_SENSE_CTL		(1 << 24)
/** Overrides the ENC_ENABLE and DAC voltage levels */
# define DAC_CTL_OVERRIDE		(1 << 7)
/** Sets the slew rate.  Must be preserved in software */
# define ENC_TVDAC_SLEW_FAST		(1 << 6)
# define DAC_A_1_3_V			(0 << 4)
# define DAC_A_1_1_V			(1 << 4)
# define DAC_A_0_7_V			(2 << 4)
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# define DAC_A_MASK			(3 << 4)
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# define DAC_B_1_3_V			(0 << 2)
# define DAC_B_1_1_V			(1 << 2)
# define DAC_B_0_7_V			(2 << 2)
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# define DAC_B_MASK			(3 << 2)
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# define DAC_C_1_3_V			(0 << 0)
# define DAC_C_1_1_V			(1 << 0)
# define DAC_C_0_7_V			(2 << 0)
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# define DAC_C_MASK			(3 << 0)
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/**
 * CSC coefficients are stored in a floating point format with 9 bits of
 * mantissa and 2 or 3 bits of exponent.  The exponent is represented as 2**-n,
 * where 2-bit exponents are unsigned n, and 3-bit exponents are signed n with
 * -1 (0x3) being the only legal negative value.
 */
#define TV_CSC_Y		0x68010
# define TV_RY_MASK			0x07ff0000
# define TV_RY_SHIFT			16
# define TV_GY_MASK			0x00000fff
# define TV_GY_SHIFT			0

#define TV_CSC_Y2		0x68014
# define TV_BY_MASK			0x07ff0000
# define TV_BY_SHIFT			16
/**
 * Y attenuation for component video.
 *
 * Stored in 1.9 fixed point.
 */
# define TV_AY_MASK			0x000003ff
# define TV_AY_SHIFT			0

#define TV_CSC_U		0x68018
# define TV_RU_MASK			0x07ff0000
# define TV_RU_SHIFT			16
# define TV_GU_MASK			0x000007ff
# define TV_GU_SHIFT			0

#define TV_CSC_U2		0x6801c
# define TV_BU_MASK			0x07ff0000
# define TV_BU_SHIFT			16
/**
 * U attenuation for component video.
 *
 * Stored in 1.9 fixed point.
 */
# define TV_AU_MASK			0x000003ff
# define TV_AU_SHIFT			0

#define TV_CSC_V		0x68020
# define TV_RV_MASK			0x0fff0000
# define TV_RV_SHIFT			16
# define TV_GV_MASK			0x000007ff
# define TV_GV_SHIFT			0

#define TV_CSC_V2		0x68024
# define TV_BV_MASK			0x07ff0000
# define TV_BV_SHIFT			16
/**
 * V attenuation for component video.
 *
 * Stored in 1.9 fixed point.
 */
# define TV_AV_MASK			0x000007ff
# define TV_AV_SHIFT			0

#define TV_CLR_KNOBS		0x68028
/** 2s-complement brightness adjustment */
# define TV_BRIGHTNESS_MASK		0xff000000
# define TV_BRIGHTNESS_SHIFT		24
/** Contrast adjustment, as a 2.6 unsigned floating point number */
# define TV_CONTRAST_MASK		0x00ff0000
# define TV_CONTRAST_SHIFT		16
/** Saturation adjustment, as a 2.6 unsigned floating point number */
# define TV_SATURATION_MASK		0x0000ff00
# define TV_SATURATION_SHIFT		8
/** Hue adjustment, as an integer phase angle in degrees */
# define TV_HUE_MASK			0x000000ff
# define TV_HUE_SHIFT			0

#define TV_CLR_LEVEL		0x6802c
/** Controls the DAC level for black */
# define TV_BLACK_LEVEL_MASK		0x01ff0000
# define TV_BLACK_LEVEL_SHIFT		16
/** Controls the DAC level for blanking */
# define TV_BLANK_LEVEL_MASK		0x000001ff
# define TV_BLANK_LEVEL_SHIFT		0

#define TV_H_CTL_1		0x68030
/** Number of pixels in the hsync. */
# define TV_HSYNC_END_MASK		0x1fff0000
# define TV_HSYNC_END_SHIFT		16
/** Total number of pixels minus one in the line (display and blanking). */
# define TV_HTOTAL_MASK			0x00001fff
# define TV_HTOTAL_SHIFT		0

#define TV_H_CTL_2		0x68034
/** Enables the colorburst (needed for non-component color) */
# define TV_BURST_ENA			(1 << 31)
/** Offset of the colorburst from the start of hsync, in pixels minus one. */
# define TV_HBURST_START_SHIFT		16
# define TV_HBURST_START_MASK		0x1fff0000
/** Length of the colorburst */
# define TV_HBURST_LEN_SHIFT		0
# define TV_HBURST_LEN_MASK		0x0001fff

#define TV_H_CTL_3		0x68038
/** End of hblank, measured in pixels minus one from start of hsync */
# define TV_HBLANK_END_SHIFT		16
# define TV_HBLANK_END_MASK		0x1fff0000
/** Start of hblank, measured in pixels minus one from start of hsync */
# define TV_HBLANK_START_SHIFT		0
# define TV_HBLANK_START_MASK		0x0001fff

#define TV_V_CTL_1		0x6803c
/** XXX */
# define TV_NBR_END_SHIFT		16
# define TV_NBR_END_MASK		0x07ff0000
/** XXX */
# define TV_VI_END_F1_SHIFT		8
# define TV_VI_END_F1_MASK		0x00003f00
/** XXX */
# define TV_VI_END_F2_SHIFT		0
# define TV_VI_END_F2_MASK		0x0000003f

#define TV_V_CTL_2		0x68040
/** Length of vsync, in half lines */
# define TV_VSYNC_LEN_MASK		0x07ff0000
# define TV_VSYNC_LEN_SHIFT		16
/** Offset of the start of vsync in field 1, measured in one less than the
 * number of half lines.
 */
# define TV_VSYNC_START_F1_MASK		0x00007f00
# define TV_VSYNC_START_F1_SHIFT	8
/**
 * Offset of the start of vsync in field 2, measured in one less than the
 * number of half lines.
 */
# define TV_VSYNC_START_F2_MASK		0x0000007f
# define TV_VSYNC_START_F2_SHIFT	0

#define TV_V_CTL_3		0x68044
/** Enables generation of the equalization signal */
# define TV_EQUAL_ENA			(1 << 31)
/** Length of vsync, in half lines */
# define TV_VEQ_LEN_MASK		0x007f0000
# define TV_VEQ_LEN_SHIFT		16
/** Offset of the start of equalization in field 1, measured in one less than
 * the number of half lines.
 */
# define TV_VEQ_START_F1_MASK		0x0007f00
# define TV_VEQ_START_F1_SHIFT		8
/**
 * Offset of the start of equalization in field 2, measured in one less than
 * the number of half lines.
 */
# define TV_VEQ_START_F2_MASK		0x000007f
# define TV_VEQ_START_F2_SHIFT		0

#define TV_V_CTL_4		0x68048
/**
 * Offset to start of vertical colorburst, measured in one less than the
 * number of lines from vertical start.
 */
# define TV_VBURST_START_F1_MASK	0x003f0000
# define TV_VBURST_START_F1_SHIFT	16
/**
 * Offset to the end of vertical colorburst, measured in one less than the
 * number of lines from the start of NBR.
 */
# define TV_VBURST_END_F1_MASK		0x000000ff
# define TV_VBURST_END_F1_SHIFT		0

#define TV_V_CTL_5		0x6804c
/**
 * Offset to start of vertical colorburst, measured in one less than the
 * number of lines from vertical start.
 */
# define TV_VBURST_START_F2_MASK	0x003f0000
# define TV_VBURST_START_F2_SHIFT	16
/**
 * Offset to the end of vertical colorburst, measured in one less than the
 * number of lines from the start of NBR.
 */
# define TV_VBURST_END_F2_MASK		0x000000ff
# define TV_VBURST_END_F2_SHIFT		0

#define TV_V_CTL_6		0x68050
/**
 * Offset to start of vertical colorburst, measured in one less than the
 * number of lines from vertical start.
 */
# define TV_VBURST_START_F3_MASK	0x003f0000
# define TV_VBURST_START_F3_SHIFT	16
/**
 * Offset to the end of vertical colorburst, measured in one less than the
 * number of lines from the start of NBR.
 */
# define TV_VBURST_END_F3_MASK		0x000000ff
# define TV_VBURST_END_F3_SHIFT		0

#define TV_V_CTL_7		0x68054
/**
 * Offset to start of vertical colorburst, measured in one less than the
 * number of lines from vertical start.
 */
# define TV_VBURST_START_F4_MASK	0x003f0000
# define TV_VBURST_START_F4_SHIFT	16
/**
 * Offset to the end of vertical colorburst, measured in one less than the
 * number of lines from the start of NBR.
 */
# define TV_VBURST_END_F4_MASK		0x000000ff
# define TV_VBURST_END_F4_SHIFT		0

#define TV_SC_CTL_1		0x68060
/** Turns on the first subcarrier phase generation DDA */
# define TV_SC_DDA1_EN			(1 << 31)
/** Turns on the first subcarrier phase generation DDA */
# define TV_SC_DDA2_EN			(1 << 30)
/** Turns on the first subcarrier phase generation DDA */
# define TV_SC_DDA3_EN			(1 << 29)
/** Sets the subcarrier DDA to reset frequency every other field */
# define TV_SC_RESET_EVERY_2		(0 << 24)
/** Sets the subcarrier DDA to reset frequency every fourth field */
# define TV_SC_RESET_EVERY_4		(1 << 24)
/** Sets the subcarrier DDA to reset frequency every eighth field */
# define TV_SC_RESET_EVERY_8		(2 << 24)
/** Sets the subcarrier DDA to never reset the frequency */
# define TV_SC_RESET_NEVER		(3 << 24)
/** Sets the peak amplitude of the colorburst.*/
# define TV_BURST_LEVEL_MASK		0x00ff0000
# define TV_BURST_LEVEL_SHIFT		16
/** Sets the increment of the first subcarrier phase generation DDA */
# define TV_SCDDA1_INC_MASK		0x00000fff
# define TV_SCDDA1_INC_SHIFT		0

#define TV_SC_CTL_2		0x68064
/** Sets the rollover for the second subcarrier phase generation DDA */
# define TV_SCDDA2_SIZE_MASK		0x7fff0000
# define TV_SCDDA2_SIZE_SHIFT		16
/** Sets the increent of the second subcarrier phase generation DDA */
# define TV_SCDDA2_INC_MASK		0x00007fff
# define TV_SCDDA2_INC_SHIFT		0

#define TV_SC_CTL_3		0x68068
/** Sets the rollover for the third subcarrier phase generation DDA */
# define TV_SCDDA3_SIZE_MASK		0x7fff0000
# define TV_SCDDA3_SIZE_SHIFT		16
/** Sets the increent of the third subcarrier phase generation DDA */
# define TV_SCDDA3_INC_MASK		0x00007fff
# define TV_SCDDA3_INC_SHIFT		0

#define TV_WIN_POS		0x68070
/** X coordinate of the display from the start of horizontal active */
# define TV_XPOS_MASK			0x1fff0000
# define TV_XPOS_SHIFT			16
/** Y coordinate of the display from the start of vertical active (NBR) */
# define TV_YPOS_MASK			0x00000fff
# define TV_YPOS_SHIFT			0

#define TV_WIN_SIZE		0x68074
/** Horizontal size of the display window, measured in pixels*/
# define TV_XSIZE_MASK			0x1fff0000
# define TV_XSIZE_SHIFT			16
/**
 * Vertical size of the display window, measured in pixels.
 *
 * Must be even for interlaced modes.
 */
# define TV_YSIZE_MASK			0x00000fff
# define TV_YSIZE_SHIFT			0

#define TV_FILTER_CTL_1		0x68080
/**
 * Enables automatic scaling calculation.
 *
 * If set, the rest of the registers are ignored, and the calculated values can
 * be read back from the register.
 */
# define TV_AUTO_SCALE			(1 << 31)
/**
 * Disables the vertical filter.
 *
 * This is required on modes more than 1024 pixels wide */
# define TV_V_FILTER_BYPASS		(1 << 29)
/** Enables adaptive vertical filtering */
# define TV_VADAPT			(1 << 28)
# define TV_VADAPT_MODE_MASK		(3 << 26)
/** Selects the least adaptive vertical filtering mode */
# define TV_VADAPT_MODE_LEAST		(0 << 26)
/** Selects the moderately adaptive vertical filtering mode */
# define TV_VADAPT_MODE_MODERATE	(1 << 26)
/** Selects the most adaptive vertical filtering mode */
# define TV_VADAPT_MODE_MOST		(3 << 26)
/**
 * Sets the horizontal scaling factor.
 *
 * This should be the fractional part of the horizontal scaling factor divided
 * by the oversampling rate.  TV_HSCALE should be less than 1, and set to:
 *
 * (src width - 1) / ((oversample * dest width) - 1)
 */
# define TV_HSCALE_FRAC_MASK		0x00003fff
# define TV_HSCALE_FRAC_SHIFT		0

#define TV_FILTER_CTL_2		0x68084
/**
 * Sets the integer part of the 3.15 fixed-point vertical scaling factor.
 *
 * TV_VSCALE should be (src height - 1) / ((interlace * dest height) - 1)
 */
# define TV_VSCALE_INT_MASK		0x00038000
# define TV_VSCALE_INT_SHIFT		15
/**
 * Sets the fractional part of the 3.15 fixed-point vertical scaling factor.
 *
 * \sa TV_VSCALE_INT_MASK
 */
# define TV_VSCALE_FRAC_MASK		0x00007fff
# define TV_VSCALE_FRAC_SHIFT		0

#define TV_FILTER_CTL_3		0x68088
/**
 * Sets the integer part of the 3.15 fixed-point vertical scaling factor.
 *
 * TV_VSCALE should be (src height - 1) / (1/4 * (dest height - 1))
 *
 * For progressive modes, TV_VSCALE_IP_INT should be set to zeroes.
 */
# define TV_VSCALE_IP_INT_MASK		0x00038000
# define TV_VSCALE_IP_INT_SHIFT		15
/**
 * Sets the fractional part of the 3.15 fixed-point vertical scaling factor.
 *
 * For progressive modes, TV_VSCALE_IP_INT should be set to zeroes.
 *
 * \sa TV_VSCALE_IP_INT_MASK
 */
# define TV_VSCALE_IP_FRAC_MASK		0x00007fff
# define TV_VSCALE_IP_FRAC_SHIFT		0

#define TV_CC_CONTROL		0x68090
# define TV_CC_ENABLE			(1 << 31)
/**
 * Specifies which field to send the CC data in.
 *
 * CC data is usually sent in field 0.
 */
# define TV_CC_FID_MASK			(1 << 27)
# define TV_CC_FID_SHIFT		27
/** Sets the horizontal position of the CC data.  Usually 135. */
# define TV_CC_HOFF_MASK		0x03ff0000
# define TV_CC_HOFF_SHIFT		16
/** Sets the vertical position of the CC data.  Usually 21 */
# define TV_CC_LINE_MASK		0x0000003f
# define TV_CC_LINE_SHIFT		0

#define TV_CC_DATA		0x68094
# define TV_CC_RDY			(1 << 31)
/** Second word of CC data to be transmitted. */
# define TV_CC_DATA_2_MASK		0x007f0000
# define TV_CC_DATA_2_SHIFT		16
/** First word of CC data to be transmitted. */
# define TV_CC_DATA_1_MASK		0x0000007f
# define TV_CC_DATA_1_SHIFT		0

#define TV_H_LUMA_0		0x68100
#define TV_H_LUMA_59		0x681ec
#define TV_H_CHROMA_0		0x68200
#define TV_H_CHROMA_59		0x682ec
#define TV_V_LUMA_0		0x68300
#define TV_V_LUMA_42		0x683a8
#define TV_V_CHROMA_0		0x68400
#define TV_V_CHROMA_42		0x684a8

2108
/* Display Port */
2109
#define DP_A				0x64000 /* eDP */
2110
2111
2112
2113
2114
2115
#define DP_B				0x64100
#define DP_C				0x64200
#define DP_D				0x64300

#define   DP_PORT_EN			(1 << 31)
#define   DP_PIPEB_SELECT		(1 << 30)
2116
2117
#define   DP_PIPE_MASK			(1 << 30)

2118
2119
2120
2121
2122
2123
2124
2125
/* Link training mode - select a suitable mode for each stage */
#define   DP_LINK_TRAIN_PAT_1		(0 << 28)
#define   DP_LINK_TRAIN_PAT_2		(1 << 28)
#define   DP_LINK_TRAIN_PAT_IDLE	(2 << 28)
#define   DP_LINK_TRAIN_OFF		(3 << 28)
#define   DP_LINK_TRAIN_MASK		(3 << 28)
#define   DP_LINK_TRAIN_SHIFT		28