another small patch, adding crmfbreg.h header into tree.
----------
diff --git a/include/video/crmfbreg.h b/include/video/crmfbreg.h
new file mode 100644
index 0000000..5714a3e
--- /dev/null
+++ b/include/video/crmfbreg.h
@@ -0,0 +1,275 @@
+/* $NetBSD: crmfbreg.h,v 1.9 2008/11/06 22:16:03 macallan Exp $ */
+
+/*-
+ * Copyright (c) 2007 Jared D. McNeill <jmcneill@xxxxxxxxxxxx>
+ * 2008 Michael Lorenz <macallan@xxxxxxxxxx>
+ * 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_DOTCLOCK 0x00000004
+#define CRMFB_DOTCLOCK_CLKRUN_SHIFT 20
+#define CRMFB_VT_XY 0x00010000
+#define CRMFB_VT_XY_FREEZE_SHIFT 31
+#define CRMFB_VT_FLAGS 0x00010018
+#define CRMFB_VT_FLAGS_SYNC_LOW_MSB 5
+#define CRMFB_VT_FLAGS_SYNC_LOW_LSB 5
+#define CRMFB_VT_INTR01 0x00010020
+#define CRMFB_VT_INTR01_EN 0xffffffff
+#define CRMFB_VT_INTR23 0x00010024
+#define CRMFB_VT_INTR23_EN 0xffffffff
+#define CRMFB_VT_VPIX_EN 0x00010038
+#define CRMFB_VT_VPIX_EN_OFF_SHIFT 0
+#define CRMFB_VT_HCMAP 0x0001003c
+#define CRMFB_VT_HCMAP_ON_SHIFT 12
+#define CRMFB_VT_VCMAP 0x00010040
+#define CRMFB_VT_VCMAP_ON_SHIFT 12
+#define CRMFB_OVR_WIDTH_TILE 0x00020000
+#define CRMFB_OVR_CONTROL 0x00020008
+#define CRMFB_OVR_CONTROL_DMAEN_SHIFT 0
+#define CRMFB_FRM_TILESIZE 0x00030000
+#define CRMFB_FRM_TILESIZE_RHS_SHIFT 0
+#define CRMFB_FRM_TILESIZE_WIDTH_SHIFT 5
+#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_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_CONTROL 0x00040004
+#define CRMFB_DID_CONTROL_DMAEN_SHIFT 0
+#define CRMFB_MODE 0x00048000
+#define CRMFB_MODE_TYP_SHIFT 2
+#define CRMFB_MODE_TYP_I8 0
+#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_CMAP 0x00050000
+#define CRMFB_CMAP_FIFO 0x00058000
+#define CRMFB_GMAP 0x00060000
+#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_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_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
+
+/* 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 */
+
+/* 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_READY 0x02000000
+
+#endif /* CRMFBREG_H */
----
Michael said what adding file as-is should be acceptable (at least for experimentation, i hope). It will be used in my next small patch.
