path: root/include/uapi/drm/radeon_drm.h

/* radeon_drm.h -- Public header for the radeon driver -*- linux-c -*-
 *
 * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas.
 * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
 * Copyright 2002 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, sublicense,
 * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
 * PRECISION INSIGHT 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.
 *
 * Authors:
 *    Kevin E. Martin <martin@valinux.com>
 *    Gareth Hughes <gareth@valinux.com>
 *    Keith Whitwell <keith@tungstengraphics.com>
 */

#ifndef __RADEON_DRM_H__
#define __RADEON_DRM_H__

#include <drm/drm.h>

/* WARNING: If you change any of these defines, make sure to change the
 * defines in the X server file (radeon_sarea.h)
 */
#ifndef __RADEON_SAREA_DEFINES__
#define __RADEON_SAREA_DEFINES__

/* Old style state flags, required for sarea interface (1.1 and 1.2
 * clears) and 1.2 drm_vertex2 ioctl.
 */
#define RADEON_UPLOAD_CONTEXT		0x00000001
#define RADEON_UPLOAD_VERTFMT		0x00000002
#define RADEON_UPLOAD_LINE		0x00000004
#define RADEON_UPLOAD_BUMPMAP		0x00000008
#define RADEON_UPLOAD_MASKS		0x00000010
#define RADEON_UPLOAD_VIEWPORT		0x00000020
#define RADEON_UPLOAD_SETUP		0x00000040
#define RADEON_UPLOAD_TCL		0x00000080
#define RADEON_UPLOAD_MISC		0x00000100
#define RADEON_UPLOAD_TEX0		0x00000200
#define RADEON_UPLOAD_TEX1		0x00000400
#define RADEON_UPLOAD_TEX2		0x00000800
#define RADEON_UPLOAD_TEX0IMAGES	0x00001000
#define RADEON_UPLOAD_TEX1IMAGES	0x00002000
#define RADEON_UPLOAD_TEX2IMAGES	0x00004000
#define RADEON_UPLOAD_CLIPRECTS		0x00008000	/* handled client-side */
#define RADEON_REQUIRE_QUIESCENCE	0x00010000
#define RADEON_UPLOAD_ZBIAS		0x00020000	/* version 1.2 and newer */
#define RADEON_UPLOAD_ALL		0x003effff
#define RADEON_UPLOAD_CONTEXT_ALL       0x003e01ff

/* New style per-packet identifiers for use in cmd_buffer ioctl with
 * the RADEON_EMIT_PACKET command.  Comments relate new packets to old
 * state bits and the packet size:
 */
#define RADEON_EMIT_PP_MISC                         0	/* context/7 */
#define RADEON_EMIT_PP_CNTL                         1	/* context/3 */
#define RADEON_EMIT_RB3D_COLORPITCH                 2	/* context/1 */
#define RADEON_EMIT_RE_LINE_PATTERN                 3	/* line/2 */
#define RADEON_EMIT_SE_LINE_WIDTH                   4	/* line/1 */
#define RADEON_EMIT_PP_LUM_MATRIX                   5	/* bumpmap/1 */
#define RADEON_EMIT_PP_ROT_MATRIX_0                 6	/* bumpmap/2 */
#define RADEON_EMIT_RB3D_STENCILREFMASK             7	/* masks/3 */
#define RADEON_EMIT_SE_VPORT_XSCALE                 8	/* viewport/6 */
#define RADEON_EMIT_SE_CNTL                         9	/* setup/2 */
#define RADEON_EMIT_SE_CNTL_STATUS                  10	/* setup/1 */
#define RADEON_EMIT_RE_MISC                         11	/* misc/1 */
#define RADEON_EMIT_PP_TXFILTER_0                   12	/* tex0/6 */
#define RADEON_EMIT_PP_BORDER_COLOR_0               13	/* tex0/1 */
#define RADEON_EMIT_PP_TXFILTER_1                   14	/* tex1/6 */
#define RADEON_EMIT_PP_BORDER_COLOR_1               15	/* tex1/1 */
#define RADEON_EMIT_PP_TXFILTER_2                   16	/* tex2/6 */
#define RADEON_EMIT_PP_BORDER_COLOR_2               17	/* tex2/1 */
#define RADEON_EMIT_SE_ZBIAS_FACTOR                 18	/* zbias/2 */
#define RADEON_EMIT_SE_TCL_OUTPUT_VTX_FMT           19	/* tcl/11 */
#define RADEON_EMIT_SE_TCL_MATERIAL_EMMISSIVE_RED   20	/* material/17 */
#define R200_EMIT_PP_TXCBLEND_0                     21	/* tex0/4 */
#define R200_EMIT_PP_TXCBLEND_1                     22	/* tex1/4 */
#define R200_EMIT_PP_TXCBLEND_2                     23	/* tex2/4 */
#define R200_EMIT_PP_TXCBLEND_3                     24	/* tex3/4 */
#define R200_EMIT_PP_TXCBLEND_4                     25	/* tex4/4 */
#define R200_EMIT_PP_TXCBLEND_5                     26	/* tex5/4 */
#define R200_EMIT_PP_TXCBLEND_6                     27	/* /4 */
#define R200_EMIT_PP_TXCBLEND_7                     28	/* /4 */
#define R200_EMIT_TCL_LIGHT_MODEL_CTL_0             29	/* tcl/7 */
#define R200_EMIT_TFACTOR_0                         30	/* tf/7 */
#define R200_EMIT_VTX_FMT_0                         31	/* vtx/5 */
#define R200_EMIT_VAP_CTL                           32	/* vap/1 */
#define R200_EMIT_MATRIX_SELECT_0                   33	/* msl/5 */
#define R200_EMIT_TEX_PROC_CTL_2                    34	/* tcg/5 */
#define R200_EMIT_TCL_UCP_VERT_BLEND_CTL            35	/* tcl/1 */
#define R200_EMIT_PP_TXFILTER_0                     36	/* tex0/6 */
#define R200_EMIT_PP_TXFILTER_1                     37	/* tex1/6 */
#define R200_EMIT_PP_TXFILTER_2                     38	/* tex2/6 */
#define R200_EMIT_PP_TXFILTER_3                     39	/* tex3/6 */
#define R200_EMIT_PP_TXFILTER_4                     40	/* tex4/6 */
#define R200_EMIT_PP_TXFILTER_5                     41	/* tex5/6 */
#define R200_EMIT_PP_TXOFFSET_0                     42	/* tex0/1 */
#define R200_EMIT_PP_TXOFFSET_1                     43	/* tex1/1 */
#define R200_EMIT_PP_TXOFFSET_2                     44	/* tex2/1 */
#define R200_EMIT_PP_TXOFFSET_3                     45	/* tex3/1 */
#define R200_EMIT_PP_TXOFFSET_4                     46	/* tex4/1 */
#define R200_EMIT_PP_TXOFFSET_5                     47	/* tex5/1 */
#define R200_EMIT_VTE_CNTL                          48	/* vte/1 */
#define R200_EMIT_OUTPUT_VTX_COMP_SEL               49	/* vtx/1 */
#define R200_EMIT_PP_TAM_DEBUG3                     50	/* tam/1 */
#define R200_EMIT_PP_CNTL_X                         51	/* cst/1 */
#define R200_EMIT_RB3D_DEPTHXY_OFFSET               52	/* cst/1 */
#define R200_EMIT_RE_AUX_SCISSOR_CNTL               53	/* cst/1 */
#define R200_EMIT_RE_SCISSOR_TL_0                   54	/* cst/2 */
#define R200_EMIT_RE_SCISSOR_TL_1                   55	/* cst/2 */
#define R200_EMIT_RE_SCISSOR_TL_2                   56	/* cst/2 */
#define R200_EMIT_SE_VAP_CNTL_STATUS                57	/* cst/1 */
#define R200_EMIT_SE_VTX_STATE_CNTL                 58	/* cst/1 */
#define R200_EMIT_RE_POINTSIZE                      59	/* cst/1 */
#define R200_EMIT_TCL_INPUT_VTX_VECTOR_ADDR_0       60	/* cst/4 */
#define R200_EMIT_PP_CUBIC_FACES_0                  61
#define R200_EMIT_PP_CUBIC_OFFSETS_0                62
#define R200_EMIT_PP_CUBIC_FACES_1                  63
#define R200_EMIT_PP_CUBIC_OFFSETS_1                64
#define R200_EMIT_PP_CUBIC_FACES_2                  65
#define R200_EMIT_PP_CUBIC_OFFSETS_2                66
#define R200_EMIT_PP_CUBIC_FACES_3                  67
#define R200_EMIT_PP_CUBIC_OFFSETS_3                68
#define R200_EMIT_PP_CUBIC_FACES_4                  69
#define R200_EMIT_PP_CUBIC_OFFSETS_4                70
#define R200_EMIT_PP_CUBIC_FACES_5                  71
#define R200_EMIT_PP_CUBIC_OFFSETS_5                72
#define RADEON_EMIT_PP_TEX_SIZE_0                   73
#define RADEON_EMIT_PP_TEX_SIZE_1                   74
#define RADEON_EMIT_PP_TEX_SIZE_2                   75
#define R200_EMIT_RB3D_BLENDCOLOR                   76
#define R200_EMIT_TCL_POINT_SPRITE_CNTL             77
#define RADEON_EMIT_PP_CUBIC_FACES_0                78
#define RADEON_EMIT_PP_CUBIC_OFFSETS_T0             79
#define RADEON_EMIT_PP_CUBIC_FACES_1                80
#define RADEON_EMIT_PP_CUBIC_OFFSETS_T1             81
#define RADEON_EMIT_PP_CUBIC_FACES_2                82
#define RADEON_EMIT_PP_CUBIC_OFFSETS_T2             83
#define R200_EMIT_PP_TRI_PERF_CNTL                  84
#define R200_EMIT_PP_AFS_0                          85
#define R200_EMIT_PP_AFS_1                          86
#define R200_EMIT_ATF_TFACTOR                       87
#define R200_EMIT_PP_TXCTLALL_0                     88
#define R200_EMIT_PP_TXCTLALL_1                     89
#define R200_EMIT_PP_TXCTLALL_2                     90
#define R200_EMIT_PP_TXCTLALL_3                     91
#define R200_EMIT_PP_TXCTLALL_4                     92
#define R200_EMIT_PP_TXCTLALL_5                     93
#define R200_EMIT_VAP_PVS_CNTL                      94
#define RADEON_MAX_STATE_PACKETS                    95

/* Commands understood by cmd_buffer ioctl.  More can be added but
 * obviously these can't be removed or changed:
 */
#define RADEON_CMD_PACKET      1	/* emit one of the register packets above */
#define RADEON_CMD_SCALARS     2	/* emit scalar data */
#define RADEON_CMD_VECTORS     3	/* emit vector data */
#define RADEON_CMD_DMA_DISCARD 4	/* discard current dma buf */
#define RADEON_CMD_PACKET3     5	/* emit hw packet */
#define RADEON_CMD_PACKET3_CLIP 6	/* emit hw packet wrapped in cliprects */
#define RADEON_CMD_SCALARS2     7	/* r200 stopgap */
#define RADEON_CMD_WAIT         8	/* emit hw wait commands -- note:
					 *  doesn't make the cpu wait, just
					 *  the graphics hardware */
#define RADEON_CMD_VECLINEAR	9       /* another r200 stopgap */

typedef union {
	int i;
	struct {
		unsigned char cmd_type, pad0, pad1, pad2;
	} header;
	struct {
		unsigned char cmd_type, packet_id, pad0, pad1;
	} packet;
	struct {
		unsigned char cmd_type, offset, stride, count;
	} scalars;
	struct {
		unsigned char cmd_type, offset, stride, count;
	} vectors;
	struct {
		unsigned char cmd_type, addr_lo, addr_hi, count;
	} veclinear;
	struct {
		unsigned char cmd_type, buf_idx, pad0, pad1;
	} dma;
	struct {
		unsigned char cmd_type, flags, pad0, pad1;
	} wait;
} drm_radeon_cmd_header_t;

#define RADEON_WAIT_2D  0x1
#define RADEON_WAIT_3D  0x2

/* Allowed parameters for R300_CMD_PACKET3
 */
#define R300_CMD_PACKET3_CLEAR		0
#define R300_CMD_PACKET3_RAW		1

/* Commands understood by cmd_buffer ioctl for R300.
 * The interface has not been stabilized, so some of these may be removed
 * and eventually reordered before stabilization.
 */
#define R300_CMD_PACKET0		1
#define R300_CMD_VPU			2	/* emit vertex program upload */
#define R300_CMD_PACKET3		3	/* emit a packet3 */
#define R300_CMD_END3D			4	/* emit sequence ending 3d rendering */
#define R300_CMD_CP_DELAY		5
#define R300_CMD_DMA_DISCARD		6
#define R300_CMD_WAIT			7
#	define R300_WAIT_2D		0x1
#	define R300_WAIT_3D		0x2
/* these two defines are DOING IT WRONG - however
 * we have userspace which relies on using these.
 * The wait interface is backwards compat new 
 * code should use the NEW_WAIT defines below
 * THESE ARE NOT BIT FIELDS
 */
#	define R300_WAIT_2D_CLEAN	0x3
#	define R300_WAIT_3D_CLEAN	0x4

#	define R300_NEW_WAIT_2D_3D	0x3
#	define R300_NEW_WAIT_2D_2D_CLEAN	0x4
#	define R300_NEW_WAIT_3D_3D_CLEAN	0x6
#	define R300_NEW_WAIT_2D_2D_CLEAN_3D_3D_CLEAN	0x8

#define R300_CMD_SCRATCH		8
#define R300_CMD_R500FP                 9

typedef union {
	unsigned int u;
	struct {
		unsigned char cmd_type, pad0,