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|
/* $NetBSD: crmfbreg.h,v 1.16 2015/01/20 12:13:04 macallan Exp $ */
/*-
* Copyright (c) 2007 Jared D. McNeill <jmcneill@invisible.ca>
* 2008 Michael Lorenz <macallan@netbsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* SGI-CRM (O2) Framebuffer driver, register definitions
*/
#ifndef CRMFBREG_H
#define CRMFBREG_H
#define CRMFB_CTRLSTAT 0x00000000
#define CRMFB_CTRLSTAT_CHIPID_MASK 0x0000000f
#define CRMFB_CTRLSTAT_SENSE 0x00000010 /* monitor sense pin */
#define CRMFB_CTRLSTAT_GPIO0_SENSE 0x00000040
#define CRMFB_CTRLSTAT_GPIO0_INPUT 0x00000080
#define CRMFB_CTRLSTAT_GPIO1_SENSE 0x00000100
#define CRMFB_CTRLSTAT_GPIO1_INPUT 0x00000200
#define CRMFB_CTRLSTAT_GPIO2_SENSE 0x00000400
#define CRMFB_CTRLSTAT_GPIO2_INPUT 0x00000800
#define CRMFB_CTRLSTAT_GPIO3_SENSE 0x00001000
#define CRMFB_CTRLSTAT_GPIO3_INPUT 0x00002000
#define CRMFB_CTRLSTAT_GPIO4_SENSE 0x00004000
#define CRMFB_CTRLSTAT_GPIO4_INPUT 0x00008000
#define CRMFB_CTRLSTAT_GPIO5_SENSE 0x00010000
#define CRMFB_CTRLSTAT_GPIO5_INPUT 0x00020000
#define CRMFB_CTRLSTAT_GPIO6_SENSE 0x00040000
#define CRMFB_CTRLSTAT_GPIO6_INPUT 0x00080000
#define CRMFB_CTRLSTAT_GPIO7_SENSE 0x00100000
#define CRMFB_CTRLSTAT_GPIO7_INPUT 0x00200000
#define CRMFB_CTRLSTAT_GPIO8_SENSE 0x00400000
#define CRMFB_CTRLSTAT_GPIO8_INPUT 0x00800000
#define CRMFB_CTRLSTAT_GPIO9_SENSE 0x01000000
#define CRMFB_CTRLSTAT_GPIO9_INPUT 0x02000000
#define CRMFB_CTRLSTAT_HALF_PHASE 0x04000000 /* for flat panel */
#define CRMFB_CTRLSTAT_CSYNC_ALOW 0x08000000 /* csync active low */
#define CRMFB_CTRLSTAT_EXTERNAL_PCLK 0x00000000
#define CRMFB_CTRLSTAT_DIFF_PCLK 0x10000000 /* differential pclock */
#define CRMFB_CTRLSTAT_INTERNAL_PCLK 0x30000000
#define CRMFB_DOTCLOCK 0x00000004
#define CRMFB_DOTCLOCK_M_MASK 0x000000ff
#define CRMFB_DOTCLOCK_N_MASK 0x00003f00
#define CRMFB_DOTCLOCK_P_MASK 0x0000c000
#define CRMFB_DOTCLOCK_CLKRUN_SHIFT 20
#define CRMFB_DOTCLOCK_BYPASS 0x00100000 /* turn the clock off */
#define CRMFB_DOTCLOCK_OUT_OF_RANGE 0x00400000
#define CRMFB_DOTCLOCK_OUT_OF_LOCK 0x00800000
#define CRMFB_DOTCLOCK_TDWNI 0x01000000 /* ? */
#define CRMFB_DOTCLOCK_TUPI 0x02000000 /* ? */
#define CRMFB_I2C_VGA 0x00000008
#define CRMFB_I2C_SDA 0x00000001 /* these bits are */
#define CRMFB_I2C_SCL 0x00000002 /* low active */
#define CRMFB_SYSCLK 0x0000000c
#define CRMFB_I2C_FP 0x00000010 /* same bits as CRMFB_I2C_VGA */
#define CRMFB_DEVICE_ID 0x00000014
#define CRMFB_DEVICE_ID_DEF 0x00000666 /* this chip is EVIL */
#define CRMFB_VT_XY 0x00010000 /* pixel / line counters */
#define CRMFB_VT_XY_X_MASK 0x00000fff
#define CRMFB_VT_XY_Y_MASK 0x00fff000
#define CRMFB_VT_XY_FREEZE_SHIFT 31
#define CRMFB_VT_XYMAX 0x00010004 /* same masks as CRMFB_VT_XY, counters in
* CRMFB_VT_XY reset when reaching max */
#define CRMFB_VT_VSYNC 0x00010008
#define CRMFB_VT_VSYNC_OFF_MASK 0x00000fff
#define CRMFB_VT_VSYNC_ON_MASK 0x00fff000
#define CRMFB_VT_HSYNC 0x0001000c
#define CRMFB_VT_HSYNC_OFF_MASK 0x00000fff
#define CRMFB_VT_HSYNC_ON_MASK 0x00fff000
#define CRMFB_VT_VBLANK 0x00010010
#define CRMFB_VT_VBLANK_OFF_MASK 0x00000fff
#define CRMFB_VT_VBLANK_ON_MASK 0x00fff000
#define CRMFB_VT_HBLANK 0x00010014
#define CRMFB_VT_HBLANK_OFF_MASK 0x00000fff
#define CRMFB_VT_HBLANK_ON_MASK 0x00fff000
#define CRMFB_VT_FLAGS 0x00010018
#define CRMFB_VT_FLAGS_VDRV_INVERT 0x00000001
#define CRMFB_VT_FLAGS_VDRV_LOW 0x00000002
#define CRMFB_VT_FLAGS_HDRV_INVERT 0x00000004
#define CRMFB_VT_FLAGS_HDRV_LOW 0x00000008 /* put monitor to sleep */
#define CRMFB_VT_FLAGS_SYNC_HIGH 0x00000010
#define CRMFB_VT_FLAGS_SYNC_LOW 0x00000020
#define CRMFB_VT_FLAGS_SYNC_LOW_MSB 5
#define CRMFB_VT_FLAGS_SYNC_LOW_LSB 5
#define CRMFB_VT_FLAGS_F2RF_HIGH 0x00000040 /* sync left/right ? */
#define CRMFB_VT_FRAMELOCK 0x0001001c
#define CRMFB_VT_FRAMELOCK_F2RF_MASK 0x00000fff /* f2rf toggles when y
* reaches this */
#define CRMFB_VT_FRAMELOCK_LOCK_MASK 0x00fff000
/* scanline interrupts! */
#define CRMFB_VT_INTR01 0x00010020
#define CRMFB_INTR_1_MASK 0x00000fff /* intr1 when y == this */
#define CRMFB_INTR_0_MASK 0x00fff000 /* intr0 when y == this */
#define CRMFB_VT_INTR23 0x00010024
#define CRMFB_INTR_3_MASK 0x00000fff /* intr3 when y == this */
#define CRMFB_INTR_2_MASK 0x00fff000 /* intr2 when y == this */
#define CRMFB_VT_HPIX_EN 0x00010034
#define CRMFB_HPIXEN_OFF_MASK 0x00000fff
#define CRMFB_HPIXEN_ON_MASK 0x00fff000
#define CRMFB_VT_VPIX_EN 0x00010038
#define CRMFB_VT_VPIX_EN_OFF_SHIFT 0
#define CRMFB_VPIXEN_OFF_MASK 0x00000fff
#define CRMFB_VPIXEN_ON_MASK 0x00fff000
#define CRMFB_VT_HCMAP 0x0001003c
#define CRMFB_HCMAP_OFF_MASK 0x00000fff
#define CRMFB_HCMAP_ON_MASK 0x00fff000
#define CRMFB_VT_HCMAP_ON_SHIFT 12
#define CRMFB_VT_VCMAP 0x00010040
#define CRMFB_VCMAP_OFF_MASK 0x00000fff
#define CRMFB_VCMAP_ON_MASK 0x00fff000
#define CRMFB_VT_VCMAP_ON_SHIFT 12
#define CRMFB_VT_DID_STARTXY 0x00010044
#define CRMFB_VT_DID_START_X_MASK 0x00000fff
#define CRMFB_VT_DID_START_Y_MASK 0x00fff000
#define CRMFB_VT_CRS_STARTXY 0x00010048
#define CRMFB_VT_CRS_START_X_MASK 0x00000fff
#define CRMFB_VT_CRS_START_Y_MASK 0x00fff000
#define CRMFB_VT_VC_STARTXY 0x0001004c
#define CRMFB_VT_VC_START_X_MASK 0x00000fff
#define CRMFB_VT_VC_START_Y_MASK 0x00fff000
#define CRMFB_OVR_WIDTH_TILE 0x00020000
#define CRMFB_OVR_WIDTH_TILE_RHS_MASK 0x0000001f /* width of rightmost tile
* in 32 byte units */
#define CRMFB_OVR_WIDTH_TILES_MASK 0x00001fe0 /* width in whole tiles */
#define CRMFB_OVR_TILE_PTR 0x00020004
#define CRMFB_OVR_TILE_LIST_MASK 0xfffff000
#define CRMFB_OVR_DMA_ENABLE 0x00000001
#define CRMFB_OVR_CONTROL 0x00020008 /* same bits as CRMFB_OVR_TILE_PTR, copied
* from here when blanking */
#define CRMFB_OVR_CONTROL_DMAEN_SHIFT 0
#define CRMFB_FRM_TILESIZE 0x00030000
#define CRMFB_FRM_TILESIZE_RHS_SHIFT 0 /* width of a partial tile
* on the right in 32 BYTES */
#define CRMFB_FRM_TILESIZE_WIDTH_SHIFT 5 /* width in tiles */
#define CRMFB_FRM_TILESIZE_DEPTH_SHIFT 13
#define CRMFB_FRM_TILESIZE_DEPTH_8 0
#define CRMFB_FRM_TILESIZE_DEPTH_16 1
#define CRMFB_FRM_TILESIZE_DEPTH_32 2
#define CRMFB_FRM_TILESIZE_FIFOR_SHIFT 15
#define CRMFB_FRM_PIXSIZE 0x00030004
#define CRMFB_FRM_PIXSIZE_HEIGHT_SHIFT 16
#define CRMFB_TILE_PTR 0x00020008
#define CRMFB_TILE_LIST_MASK 0xfffff000
#define CRMFB_DMA_ENABLE 0x00000001
#define CRMFB_FRM_CONTROL 0x0003000c
#define CRMFB_FRM_CONTROL_DMAEN_SHIFT 0
#define CRMFB_FRM_CONTROL_LINEAR_SHIFT 1
#define CRMFB_FRM_CONTROL_TILEPTR_SHIFT 9
#define CRMFB_DID_PTR 0x00040000
#define CRMFB_DID_BASE_MASK 0x0000ffff
#define CRMFB_DID_DMA_ENABLE 0x00010000
#define CRMFB_DID_CONTROL 0x00040004
#define CRMFB_DID_CONTROL_DMAEN_SHIFT 0
#define CRMFB_WID 0x00048000 /* 32 WIDs */
#define CRMFB_MODE 0x00048000
#define CRMFB_MODE_TYP_SHIFT 2
#define CRMFB_MODE_TYP_I8 0
#define CRMFB_MODE_TYP_I12 1
#define CRMFB_MODE_TYP_RG3B2 2
#define CRMFB_MODE_TYP_RGB4 3
#define CRMFB_MODE_TYP_ARGB5 4
#define CRMFB_MODE_TYP_RGB8 5
#define CRMFB_MODE_BUF_SHIFT 0
#define CRMFB_MODE_BUF_BOTH 3
#define CRMFB_MODE_CMAP_SELECT_SHIFT 5 /* upper 5 bit */
#define CRMFB_MODE_GAMMA_ENABLE_SHIFT 10
#define CRMFB_MODE_FP_ENABLE_SHIFT 11 /* two bits */
#define CRMFB_CMAP 0x00050000 /* 32*256 entries */
#define CRMFB_CMAP_OVL 0x00051400
#define CRMFB_CMAP_FIFO 0x00058000
#define CRMFB_GMAP 0x00060000 /* gamma map */
#define CRMFB_CURSOR_POS 0x00070000
/*
* upper 16 bit are Y, lower 16 bit are X - both signed so there's no need for
* a hotspot register
*/
#define CRMFB_CURSOR_CONTROL 0x00070004
#define CRMFB_CURSOR_ON 0x00000001
#define CRMFB_CURSOR_CROSSHAIR 0x00000002
#define CRMFB_CURSOR_CMAP0 0x00070008
#define CRMFB_CURSOR_CMAP1 0x0007000c
#define CRMFB_CURSOR_CMAP2 0x00070010
#define CRMFB_CURSOR_BITMAP 0x00078000
/* two bit deep cursor image, zero is transparent */
/* rendering engine registers */
/* these TLBs define 16x16 tiles, 64kB each, upper 16 bit only */
#define CRIME_RE_TLB_A 0x1000
#define CRIME_RE_TLB_B 0x1200
#define CRIME_RE_TLB_C 0x1400
#define CRIME_RE_TEX 0x1600
#define CRIME_RE_CLIP_IDS 0x16e0
/* 32bit entries, 4kB page address >> 12 | 0x80000000 */
#define CRIME_RE_LINEAR_A 0x1700
#define CRIME_RE_LINEAR_B 0x1780
/* memory transfer engine from 0x3000*/
#define CRIME_MTE_MODE 0x3000
#define CRIME_MTE_BYTEMASK 0x3008
#define CRIME_MTE_STIPPLEMASK 0x3010
#define CRIME_MTE_BG 0x3018
#define CRIME_MTE_SRC0 0x3020 /* start */
#define CRIME_MTE_SRC1 0x3028 /* end */
#define CRIME_MTE_DST0 0x3030 /* start */
#define CRIME_MTE_DST1 0x3038 /* end */
#define CRIME_MTE_SRC_Y_STEP 0x3040
#define CRIME_MTE_DST_Y_STEP 0x3048
#define CRIME_MTE_NULL 0x3070
#define CRIME_MTE_FLUSH 0x3078
/* CRIME_MTE_MODE */
#define MTE_MODE_DST_ECC 0x00000001 /* enable ECC in DST */
#define MTE_MODE_SRC_ECC 0x00000002 /* enable ECC in SRC */
#define MTE_MODE_DST_BUF_MASK 0x0000001c
#define MTE_TLB_A 0
#define MTE_TLB_B 1
#define MTE_TLB_C 2
#define MTE_TLB_TEX 3
#define MTE_TLB_LIN_A 4
#define MTE_TLB_LIN_B 5
#define MTE_TLB_CLIP 6
#define MTE_DST_TLB_SHIFT 2
#define MTE_MODE_SRC_BUF_MASK 0x000000e0
#define MTE_SRC_TLB_SHIFT 5
#define MTE_MODE_DEPTH_MASK 0x00000300
#define MTE_DEPTH_8 0
#define MTE_DEPTH_16 1
#define MTE_DEPTH_32 2
#define MTE_DEPTH_SHIFT 8
#define MTE_MODE_STIPPLE 0x00000400
#define MTE_MODE_COPY 0x00000800 /* 1 - copy, 0 - clear dst */
/* drawing engine from 0x2000 */
#define CRIME_DE_MODE_SRC 0x2000
#define CRIME_DE_MODE_DST 0x2008
#define CRIME_DE_CLIPMODE 0x2010
#define CRIME_DE_DRAWMODE 0x2018
#define CRIME_DE_SCRMASK0 0x2020
#define CRIME_DE_SCRMASK1 0x2028
#define CRIME_DE_SCRMASK2 0x2030
#define CRIME_DE_SCRMASK3 0x2038
#define CRIME_DE_SCRMASK4 0x2040
#define CRIME_DE_SCISSOR 0x2048
#define CRIME_DE_WINOFFSET_SRC 0x2050 /* x in upper, y in lower 16 bit */
#define CRIME_DE_WINOFFSET_DST 0x2058
#define CRIME_DE_PRIMITIVE 0x2060
#define CRIME_DE_X_VERTEX_0 0x2070
#define CRIME_DE_X_VERTEX_1 0x2074
#define CRIME_DE_X_VERTEX_2 0x2078
#define CRIME_DE_GL_VERTEX_0_X 0x2080
#define CRIME_DE_GL_VERTEX_0_Y 0x2084
#define CRIME_DE_GL_VERTEX_1_X 0x2088
#define CRIME_DE_GL_VERTEX_1_Y 0x208c
#define CRIME_DE_GL_VERTEX_2_X 0x2090
#define CRIME_DE_GL_VERTEX_2_Y 0x2094
#define CRIME_DE_XFER_ADDR_SRC 0x20a0
#define CRIME_DE_XFER_STRD_SRC 0x20a4
#define CRIME_DE_XFER_STEP_X 0x20a8
#define CRIME_DE_XFER_STEP_Y 0x20ac
#define CRIME_DE_XFER_ADDR_DST 0x20b0
#define CRIME_DE_XFER_STRD_DST 0x20b4
#define CRIME_DE_STIPPLE_MODE 0x20c0
#define CRIME_DE_STIPPLE_PAT 0x20c4
#define CRIME_DE_FG 0x20d0
#define CRIME_DE_BG 0x20d8
#define CRIME_DE_ALPHA_COLOR 0x21a0 /* constant colour for alpha */
#define CRIME_DE_ALPHA_FUNC 0x21a8 /* blend function */
#define CRIME_DE_ROP 0x21b0
#define CRIME_DE_PLANEMASK 0x21b8
#define CRIME_DE_NULL 0x21f0
#define CRIME_DE_FLUSH 0x21f8
#define CRIME_DE_START 0x0800 /* OR this to a register address in
* order to start a command */
/* CRIME_DE_MODE_* */
#define DE_MODE_TLB_A 0x00000000
#define DE_MODE_TLB_B 0x00000400
#define DE_MODE_TLB_C 0x00000800
#define DE_MODE_LIN_A 0x00001000
#define DE_MODE_LIN_B 0x00001400
#define DE_MODE_BUFDEPTH_8 0x00000000
#define DE_MODE_BUFDEPTH_16 0x00000100
#define DE_MODE_BUFDEPTH_32 0x00000200
#define DE_MODE_TYPE_CI 0x00000000
#define DE_MODE_TYPE_RGB 0x00000010
#define DE_MODE_TYPE_RGBA 0x00000020
#define DE_MODE_TYPE_ABGR 0x00000030
#define DE_MODE_TYPE_YCRCB 0x000000f0
#define DE_MODE_TYPE_MASK 0x000000f0
#define DE_MODE_PIXDEPTH_8 0x00000000
#define DE_MODE_PIXDEPTH_16 0x00000004
#define DE_MODE_PIXDEPTH_32 0x00000008
#define DE_MODE_DOUBLE_PIX 0x00000002
#define DE_MODE_DOUBLE_SELECT 0x00000001
/* clip mode */
#define DE_CLIPMODE_ENABLE 0x00000800
/* enable testing against mask register n */
#define DE_CLIPMODE_MASK0_EN 0x00000200
#define DE_CLIPMODE_MASK1_EN 0x00000100
#define DE_CLIPMODE_MASK2_EN 0x00000080
#define DE_CLIPMODE_MASK3_EN 0x00000040
#define DE_CLIPMODE_MASK4_EN 0x00000020
/* let pixels pass if inside mask n, otherwise outside */
#define DE_CLIPMODE_MASK0_IN 0x00000010
#define DE_CLIPMODE_MASK1_IN 0x00000008
#define DE_CLIPMODE_MASK2_IN 0x00000004
#define DE_CLIPMODE_MASK3_IN 0x00000002
#define DE_CLIPMODE_MASK4_IN 0x00000001
/* draw mode */
#define DE_DRAWMODE_NO_CONF 0x00800000 /* disable coherency testing */
#define DE_DRAWMODE_X11 0x00000000
#define DE_DRAWMODE_GL 0x00400000
#define DE_DRAWMODE_XFER_EN 0x00200000
#define DE_DRAWMODE_SCISSOR_EN 0x00100000
#define DE_DRAWMODE_LINE_STIP 0x00080000
#define DE_DRAWMODE_POLY_STIP 0x00040000
#define DE_DRAWMODE_OPAQUE_STIP 0x00020000
#define DE_DRAWMODE_SHADE 0x00010000 /* smooth shading enable */
#define DE_DRAWMODE_TEXTURE 0x00008000
#define DE_DRAWMODE_FOG 0x00004000
#define DE_DRAWMODE_COVERAGE 0x00002000
#define DE_DRAWMODE_LINE_AA 0x00001000
#define DE_DRAWMODE_ALPHA_TEST 0x00000800
#define DE_DRAWMODE_ALPHA_BLEND 0x00000400
#define DE_DRAWMODE_ROP 0x00000200
#define DE_DRAWMODE_DITHER 0x00000100
#define DE_DRAWMODE_PLANEMASK 0x00000080
#define DE_DRAWMODE_BYTEMASK 0x00000078
#define DE_DRAWMODE_DEPTH_TEST 0x00000004
#define DE_DRAWMODE_DEPTH_MASK 0x00000002
#define DE_DRAWMODE_STENCIL 0x00000001
/* primitive */
#define DE_PRIM_POINT 0x00000000
#define DE_PRIM_LINE 0x01000000
#define DE_PRIM_TRIANGLE 0x02000000
#define DE_PRIM_RECTANGLE 0x03000000
#define DE_PRIM_LINE_SKIP_END 0x00040000
#define DE_PRIM_LR 0x00000000 /* left to right */
#define DE_PRIM_RL 0x00010000 /* right to left */
#define DE_PRIM_BT 0x00000000 /* bottom to top */
#define DE_PRIM_TB 0x00020000 /* top to bottom */
#define DE_PRIM_LINE_WIDTH_MASK 0x0000ffff /* in half pixels */
/* CRIME_DE_STIPPLE_MODE */
#define DE_STIP_MAXREP_SHIFT 0 /* max. repeats 8 bit */
#define DE_STIP_REPCNT_SHIFT 8 /* repeat count, 8 bit */
#define DE_STIP_MAXIDX_SHIFT 16 /* max. index, 5 bit */
#define DE_STIP_STRTIDX_SHIFT 24 /* start index, 5 bit */
/* alpha function register */
#define DE_ALPHA_ADD 0x00000000
#define DE_ALPHA_MIN 0x00000100
#define DE_ALPHA_MAX 0x00000200
#define DE_ALPHA_SUB 0x00000300
#define DE_ALPHA_REV_SUB 0x00000400
#define DE_ALPHA_OP_ZERO 0
#define DE_ALPHA_OP_ONE 1
#define DE_ALPHA_OP_DST_COLOR 2
#define DE_ALPHA_OP_1_MINUS_DST_COLOR 3
#define DE_ALPHA_OP_SRC_ALPHA 4
#define DE_ALPHA_OP_1_MINUS_SRC_ALPHA 5
#define DE_ALPHA_OP_DST_ALPHA 6
#define DE_ALPHA_OP_1_MINUS_DST_APLHA 7
#define DE_ALPHA_OP_CONSTANT_COLOR 8
#define DE_ALPHA_OP_1_MINUS_CONST_COLOR 9
#define DE_ALPHA_OP_CONSTANT_ALPHA 10
#define DE_ALPHA_OP_1_MINUS_CONST_ALPHA 11
#define DE_ALPHA_OP_SRC_ALPHA_SATURATE 12
#define DE_ALPHA_OP_SRC_SHIFT 4
#define DE_ALPHA_OP_DST_SHIFT 0
/* status register */
#define CRIME_DE_STATUS 0x4000
#define CRIME_DE_IDLE 0x10000000
#define CRIME_DE_SETUP_IDLE 0x08000000
#define CRIME_DE_PIXPIPE_IDLE 0x04000000
#define CRIME_DE_MTE_IDLE 0x02000000
#define CRIME_DE_LEVEL_MASK 0x01fc0000
#define CRIME_DE_RD_PTR_MASK 0x0003f000
#define CRIME_DE_WR_PTR_MASK 0x00000fc0
#define CRIME_DE_BUF_START 0x0000003f
#define CRIME_DE_LEVEL_SHIFT 18
/*
* XXX
* The manual claims that the pipeline is 128 deep, in reality it seems to be
* 64, at least on my O2. Might be 128 deep on O2+
*/
#define CRIME_DE_LEVEL_MAX 0x3f
#define CRIME_PIPE_LEVEL(x) ((x & CRIME_DE_LEVEL_MASK) >> \
CRIME_DE_LEVEL_SHIFT)
#endif /* CRMFBREG_H */
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