i810_common.h revision fa225cbc 
1/* i810_common.h -- common header definitions for I810 2D/3D/DRM suite
2 *
3 * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20 * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
24 *
25 * Converted to common header format:
26 *   Jens Owen <jens@tungstengraphics.com>
27 *
28 *
29 */
30
31/* WARNING: If you change any of these defines, make sure to change
32 * the kernel include file as well (i810_drm.h)
33 */
34
35#ifndef _I810_COMMON_H_
36#define _I810_COMMON_H_
37
38#ifndef _I810_DEFINES_
39#define _I810_DEFINES_
40#define I810_USE_BATCH 1
41
42#define I810_DMA_BUF_ORDER     12
43#define I810_DMA_BUF_SZ        (1<<I810_DMA_BUF_ORDER)
44#define I810_DMA_BUF_NR        256
45
46#define I810_NR_SAREA_CLIPRECTS 8
47
48/* Each region is a minimum of 64k, and there are at most 64 of them.
49 */
50#define I810_NR_TEX_REGIONS 64
51#define I810_LOG_MIN_TEX_REGION_SIZE 16
52
53/* Destbuffer state
54 *    - backbuffer linear offset and pitch -- invarient in the current dri
55 *    - zbuffer linear offset and pitch -- also invarient
56 *    - drawing origin in back and depth buffers.
57 *
58 * Keep the depth/back buffer state here to acommodate private buffers
59 * in the future.
60 */
61#define I810_DESTREG_DI0  0		/* CMD_OP_DESTBUFFER_INFO (2 dwords) */
62#define I810_DESTREG_DI1  1
63#define I810_DESTREG_DV0  2		/* GFX_OP_DESTBUFFER_VARS (2 dwords) */
64#define I810_DESTREG_DV1  3
65#define I810_DESTREG_DR0  4		/* GFX_OP_DRAWRECT_INFO (4 dwords) */
66#define I810_DESTREG_DR1  5
67#define I810_DESTREG_DR2  6
68#define I810_DESTREG_DR3  7
69#define I810_DESTREG_DR4  8
70#define I810_DEST_SETUP_SIZE 10
71
72/* Context state
73 */
74#define I810_CTXREG_CF0   0		/* GFX_OP_COLOR_FACTOR */
75#define I810_CTXREG_CF1   1
76#define I810_CTXREG_ST0   2		/* GFX_OP_STIPPLE */
77#define I810_CTXREG_ST1   3
78#define I810_CTXREG_VF    4		/* GFX_OP_VERTEX_FMT */
79#define I810_CTXREG_MT    5		/* GFX_OP_MAP_TEXELS */
80#define I810_CTXREG_MC0   6		/* GFX_OP_MAP_COLOR_STAGES - stage 0 */
81#define I810_CTXREG_MC1   7		/* GFX_OP_MAP_COLOR_STAGES - stage 1 */
82#define I810_CTXREG_MC2   8		/* GFX_OP_MAP_COLOR_STAGES - stage 2 */
83#define I810_CTXREG_MA0   9		/* GFX_OP_MAP_ALPHA_STAGES - stage 0 */
84#define I810_CTXREG_MA1   10		/* GFX_OP_MAP_ALPHA_STAGES - stage 1 */
85#define I810_CTXREG_MA2   11		/* GFX_OP_MAP_ALPHA_STAGES - stage 2 */
86#define I810_CTXREG_SDM   12		/* GFX_OP_SRC_DEST_MONO */
87#define I810_CTXREG_FOG   13		/* GFX_OP_FOG_COLOR */
88#define I810_CTXREG_B1    14		/* GFX_OP_BOOL_1 */
89#define I810_CTXREG_B2    15		/* GFX_OP_BOOL_2 */
90#define I810_CTXREG_LCS   16		/* GFX_OP_LINEWIDTH_CULL_SHADE_MODE */
91#define I810_CTXREG_PV    17		/* GFX_OP_PV_RULE -- Invarient! */
92#define I810_CTXREG_ZA    18		/* GFX_OP_ZBIAS_ALPHAFUNC */
93#define I810_CTXREG_AA    19		/* GFX_OP_ANTIALIAS */
94#define I810_CTX_SETUP_SIZE 20
95
96/* Texture state (per tex unit)
97 */
98#define I810_TEXREG_MI0  0		/* GFX_OP_MAP_INFO (4 dwords) */
99#define I810_TEXREG_MI1  1
100#define I810_TEXREG_MI2  2
101#define I810_TEXREG_MI3  3
102#define I810_TEXREG_MF   4		/* GFX_OP_MAP_FILTER */
103#define I810_TEXREG_MLC  5		/* GFX_OP_MAP_LOD_CTL */
104#define I810_TEXREG_MLL  6		/* GFX_OP_MAP_LOD_LIMITS */
105#define I810_TEXREG_MCS  7		/* GFX_OP_MAP_COORD_SETS ??? */
106#define I810_TEX_SETUP_SIZE 8
107
108/* Driver specific DRM command indices
109 * NOTE: these are not OS specific, but they are driver specific
110 */
111#define DRM_I810_INIT                     0x00
112#define DRM_I810_VERTEX                   0x01
113#define DRM_I810_CLEAR                    0x02
114#define DRM_I810_FLUSH                    0x03
115#define DRM_I810_GETAGE                   0x04
116#define DRM_I810_GETBUF                   0x05
117#define DRM_I810_SWAP                     0x06
118#define DRM_I810_COPY                     0x07
119#define DRM_I810_DOCOPY                   0x08
120#define DRM_I810_OV0INFO                  0x09
121#define DRM_I810_FSTATUS                  0x0a
122#define DRM_I810_OV0FLIP                  0x0b
123#define DRM_I810_MC                       0x0c
124#define DRM_I810_RSTATUS                  0x0d
125#define DRM_I810_FLIP                     0x0e
126
127#endif
128
129typedef enum _drmI810Initfunc {
130	I810_INIT_DMA = 0x01,
131	I810_CLEANUP_DMA = 0x02,
132	I810_INIT_DMA_1_4 = 0x03
133} drmI810Initfunc;
134
135typedef struct {
136   drmI810Initfunc func;
137   unsigned int mmio_offset;
138   unsigned int buffers_offset;
139   int sarea_priv_offset;
140   unsigned int ring_start;
141   unsigned int ring_end;
142   unsigned int ring_size;
143   unsigned int front_offset;
144   unsigned int back_offset;
145   unsigned int depth_offset;
146   unsigned int overlay_offset;
147   unsigned int overlay_physical;
148   unsigned int w;
149   unsigned int h;
150   unsigned int pitch;
151   unsigned int pitch_bits;
152} drmI810Init;
153
154typedef struct {
155   void *virtual;
156   int request_idx;
157   int request_size;
158   int granted;
159} drmI810DMA;
160
161/* Flags for clear ioctl
162 */
163#define I810_FRONT   0x1
164#define I810_BACK    0x2
165#define I810_DEPTH   0x4
166
167typedef struct {
168   int clear_color;
169   int clear_depth;
170   int flags;
171} drmI810Clear;
172
173typedef struct {
174   int idx;				/* buffer index */
175   int used;				/* nr bytes in use */
176   int discard;				/* client is finished with the buffer? */
177} drmI810Vertex;
178
179/* Flags for vertex ioctl
180 */
181#define PR_TRIANGLES         (0x0<<18)
182#define PR_TRISTRIP_0        (0x1<<18)
183#define PR_TRISTRIP_1        (0x2<<18)
184#define PR_TRIFAN            (0x3<<18)
185#define PR_POLYGON           (0x4<<18)
186#define PR_LINES             (0x5<<18)
187#define PR_LINESTRIP         (0x6<<18)
188#define PR_RECTS             (0x7<<18)
189#define PR_MASK              (0x7<<18)
190
191#endif
192