mga_common.h revision 0bb88ba4 
1/* mga_common.h -- common header definitions for MGA 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#ifndef _MGA_COMMON_H_
31#define _MGA_COMMON_H_
32
33/*
34 * WARNING: If you change any of these defines, make sure to change
35 * the kernel include file as well (mga_drm.h)
36 */
37
38#define  DRM_MGA_IDLE_RETRY          2048
39#define  DRM_MGA_NR_TEX_HEAPS        2
40
41typedef struct {
42   int installed;
43   unsigned long phys_addr;
44   int size;
45} drmMGAWarpIndex;
46
47/* Driver specific DRM command indices
48 * NOTE: these are not OS specific, but they are driver specific
49 */
50#define DRM_MGA_INIT              0x00
51#define DRM_MGA_FLUSH             0x01
52#define DRM_MGA_RESET             0x02
53#define DRM_MGA_SWAP              0x03
54#define DRM_MGA_CLEAR             0x04
55#define DRM_MGA_VERTEX            0x05
56#define DRM_MGA_INDICES           0x06
57#define DRM_MGA_ILOAD             0x07
58#define DRM_MGA_BLIT              0x08
59#define DRM_MGA_GETPARAM          0x09
60
61typedef struct {
62   enum {
63      MGA_INIT_DMA    = 0x01,
64      MGA_CLEANUP_DMA = 0x02
65   } func;
66
67   unsigned long sarea_priv_offset;
68
69   int chipset;
70   int sgram;
71
72   unsigned int maccess;
73
74   unsigned int fb_cpp;
75   unsigned int front_offset, front_pitch;
76   unsigned int back_offset, back_pitch;
77
78   unsigned int depth_cpp;
79   unsigned int depth_offset, depth_pitch;
80
81   unsigned int texture_offset[DRM_MGA_NR_TEX_HEAPS];
82   unsigned int texture_size[DRM_MGA_NR_TEX_HEAPS];
83
84   unsigned long fb_offset;
85   unsigned long mmio_offset;
86   unsigned long status_offset;
87   unsigned long warp_offset;
88   unsigned long primary_offset;
89   unsigned long buffers_offset;
90} drmMGAInit;
91
92typedef enum {
93   DRM_MGA_LOCK_READY      = 0x01, /* Wait until hardware is ready for DMA */
94   DRM_MGA_LOCK_QUIESCENT  = 0x02, /* Wait until hardware quiescent        */
95   DRM_MGA_LOCK_FLUSH      = 0x04, /* Flush this context's DMA queue first */
96   DRM_MGA_LOCK_FLUSH_ALL  = 0x08, /* Flush all DMA queues first           */
97                                   /* These *HALT* flags aren't supported yet
98                                      -- they will be used to support the
99                                         full-screen DGA-like mode.        */
100   DRM_MGA_HALT_ALL_QUEUES = 0x10, /* Halt all current and future queues   */
101   DRM_MGA_HALT_CUR_QUEUES = 0x20  /* Halt all current queues              */
102} drmMGALockFlags;
103
104typedef struct {
105   int             context;
106   drmMGALockFlags flags;
107} drmMGALock;
108
109typedef struct {
110   int idx;
111   unsigned int dstorg;
112   unsigned int length;
113} drmMGAIload;
114
115typedef struct {
116   unsigned int flags;
117   unsigned int clear_color;
118   unsigned int clear_depth;
119   unsigned int color_mask;
120   unsigned int depth_mask;
121} drmMGAClearRec;
122
123typedef struct {
124   int idx;                        /* buffer to queue */
125   int used;                       /* bytes in use */
126   int discard;                    /* client finished with buffer?  */
127} drmMGAVertex;
128
129typedef struct {
130        unsigned int planemask;
131        unsigned int srcorg;
132        unsigned int dstorg;
133        int src_pitch, dst_pitch;
134        int delta_sx, delta_sy;
135        int delta_dx, delta_dy;
136        int height, ydir;               /* flip image vertically */
137        int source_pitch, dest_pitch;
138} drmMGABlit;
139
140/* 3.1: An ioctl to get parameters that aren't available to the 3d
141 * client any other way.
142 */
143#define MGA_PARAM_IRQ_NR            1
144
145typedef struct {
146	int param;
147	int *value;
148} drmMGAGetParam;
149
150#endif
151