mga_common.h revision fe5e51b7 
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 * $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_common.h,v 1.2 2002/12/16 16:19:18 dawes Exp $
29 *
30 */
31
32#ifndef _MGA_COMMON_H_
33#define _MGA_COMMON_H_
34
35/*
36 * WARNING: If you change any of these defines, make sure to change
37 * the kernel include file as well (mga_drm.h)
38 */
39
40#define  DRM_MGA_IDLE_RETRY          2048
41#define  DRM_MGA_NR_TEX_HEAPS        2
42
43typedef struct {
44   int installed;
45   unsigned long phys_addr;
46   int size;
47} drmMGAWarpIndex;
48
49/* Driver specific DRM command indices
50 * NOTE: these are not OS specific, but they are driver specific
51 */
52#define DRM_MGA_INIT              0x00
53#define DRM_MGA_FLUSH             0x01
54#define DRM_MGA_RESET             0x02
55#define DRM_MGA_SWAP              0x03
56#define DRM_MGA_CLEAR             0x04
57#define DRM_MGA_VERTEX            0x05
58#define DRM_MGA_INDICES           0x06
59#define DRM_MGA_ILOAD             0x07
60#define DRM_MGA_BLIT              0x08
61#define DRM_MGA_GETPARAM          0x09
62
63typedef struct {
64   enum {
65      MGA_INIT_DMA    = 0x01,
66      MGA_CLEANUP_DMA = 0x02
67   } func;
68
69   unsigned long sarea_priv_offset;
70
71   int chipset;
72   int sgram;
73
74   unsigned int maccess;
75
76   unsigned int fb_cpp;
77   unsigned int front_offset, front_pitch;
78   unsigned int back_offset, back_pitch;
79
80   unsigned int depth_cpp;
81   unsigned int depth_offset, depth_pitch;
82
83   unsigned int texture_offset[DRM_MGA_NR_TEX_HEAPS];
84   unsigned int texture_size[DRM_MGA_NR_TEX_HEAPS];
85
86   unsigned long fb_offset;
87   unsigned long mmio_offset;
88   unsigned long status_offset;
89   unsigned long warp_offset;
90   unsigned long primary_offset;
91   unsigned long buffers_offset;
92} drmMGAInit;
93
94typedef enum {
95   DRM_MGA_LOCK_READY      = 0x01, /* Wait until hardware is ready for DMA */
96   DRM_MGA_LOCK_QUIESCENT  = 0x02, /* Wait until hardware quiescent        */
97   DRM_MGA_LOCK_FLUSH      = 0x04, /* Flush this context's DMA queue first */
98   DRM_MGA_LOCK_FLUSH_ALL  = 0x08, /* Flush all DMA queues first           */
99                                   /* These *HALT* flags aren't supported yet
100                                      -- they will be used to support the
101                                         full-screen DGA-like mode.        */
102   DRM_MGA_HALT_ALL_QUEUES = 0x10, /* Halt all current and future queues   */
103   DRM_MGA_HALT_CUR_QUEUES = 0x20  /* Halt all current queues              */
104} drmMGALockFlags;
105
106typedef struct {
107   int             context;
108   drmMGALockFlags flags;
109} drmMGALock;
110
111typedef struct {
112   int idx;
113   unsigned int dstorg;
114   unsigned int length;
115} drmMGAIload;
116
117typedef struct {
118   unsigned int flags;
119   unsigned int clear_color;
120   unsigned int clear_depth;
121   unsigned int color_mask;
122   unsigned int depth_mask;
123} drmMGAClearRec;
124
125typedef struct {
126   int idx;                        /* buffer to queue */
127   int used;                       /* bytes in use */
128   int discard;                    /* client finished with buffer?  */
129} drmMGAVertex;
130
131typedef struct {
132        unsigned int planemask;
133        unsigned int srcorg;
134        unsigned int dstorg;
135        int src_pitch, dst_pitch;
136        int delta_sx, delta_sy;
137        int delta_dx, delta_dy;
138        int height, ydir;               /* flip image vertically */
139        int source_pitch, dest_pitch;
140} drmMGABlit;
141
142/* 3.1: An ioctl to get parameters that aren't available to the 3d
143 * client any other way.
144 */
145#define MGA_PARAM_IRQ_NR            1
146
147typedef struct {
148	int param;
149	int *value;
150} drmMGAGetParam;
151
152#endif
153