renesas/drm.git - libdrm, cloned from git://anongit.freedesktop.org/mesa/drm

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/* 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__

/* 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_MAX_STATE_PACKETS                    73


/* 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 */


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, 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


#define RADEON_FRONT			0x1
#define RADEON_BACK			0x2
#define RADEON_DEPTH			0x4
#define RADEON_STENCIL                  0x8

/* Primitive types
 */
#define RADEON_POINTS			0x1
#define RADEON_LINES			0x2
#define RADEON_LINE_STRIP		0x3
#define RADEON_TRIANGLES		0x4
#define RADEON_TRIANGLE_FAN		0x5
#define RADEON_TRIANGLE_STRIP		0x6

/* Vertex/indirect buffer size
 */
#define RADEON_BUFFER_SIZE		65536

/* Byte offsets for indirect buffer data
 */
#define RADEON_INDEX_PRIM_OFFSET	20

#define RADEON_SCRATCH_REG_OFFSET	32

#define RADEON_NR_SAREA_CLIPRECTS	12

/* There are 2 heaps (local/AGP).  Each region within a heap is a
 * minimum of 64k, and there are at most 64 of them per heap.
 */
#define RADEON_LOCAL_TEX_HEAP		0
#define RADEON_AGP_TEX_HEAP		1
#define RADEON_NR_TEX_HEAPS		2
#define RADEON_NR_TEX_REGIONS		64
#define RADEON_LOG_TEX_GRANULARITY	16

#define RADEON_MAX_TEXTURE_LEVELS	12
#define RADEON_MAX_TEXTURE_UNITS	3

#endif /* __RADEON_SAREA_DEFINES__ */

typedef struct {
	unsigned int red;
	unsigned int green;
	unsigned int blue;
	unsigned int alpha;
} radeon_color_regs_t;

typedef struct {
	/* Context state */
	unsigned int pp_misc;				/* 0x1c14 */
	unsigned int pp_fog_color;
	unsigned int re_solid_color;
	unsigned int rb3d_blendcntl;
	unsigned int rb3d_depthoffset;
	unsigned int rb3d_depthpitch;
	unsigned int rb3d_zstencilcntl;

	unsigned int pp_cntl;				/* 0x1c38 */
	unsigned int rb3d_cntl;
	unsigned int rb3d_coloroffset;
	unsigned int re_width_height;
	unsigned int rb3d_colorpitch;
	unsigned int se_cntl;

	/* Vertex format state */
	unsigned int se_coord_fmt;			/* 0x1c50 */

	/* Line state */
	unsigned int re_line_pattern;			/* 0x1cd0 */
	unsigned int re_line_state;

	unsigned int se_line_width;			/* 0x1db8 */

	/* Bumpmap state */
	unsigned int pp_lum_matrix;			/* 0x1d00 */

	unsigned int pp_rot_matrix_0;			/* 0x1d58 */
	unsigned int pp_rot_matrix_1;

	/* Mask state */
	unsigned int rb3d_stencilrefmask;		/* 0x1d7c */
	unsigned int rb3d_ropcntl;


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