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-rw-r--r--drivers/char/drm/savage_drm.h209
1 files changed, 209 insertions, 0 deletions
diff --git a/drivers/char/drm/savage_drm.h b/drivers/char/drm/savage_drm.h
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1/* savage_drm.h -- Public header for the savage driver
2 *
3 * Copyright 2004 Felix Kuehling
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, sub license,
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
14 * next paragraph) shall be included in all copies or substantial portions
15 * of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NON-INFRINGEMENT. IN NO EVENT SHALL FELIX KUEHLING BE LIABLE FOR
21 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
22 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26#ifndef __SAVAGE_DRM_H__
27#define __SAVAGE_DRM_H__
28
29#ifndef __SAVAGE_SAREA_DEFINES__
30#define __SAVAGE_SAREA_DEFINES__
31
32/* 2 heaps (1 for card, 1 for agp), each divided into upto 128
33 * regions, subject to a minimum region size of (1<<16) == 64k.
34 *
35 * Clients may subdivide regions internally, but when sharing between
36 * clients, the region size is the minimum granularity.
37 */
38
39#define SAVAGE_CARD_HEAP 0
40#define SAVAGE_AGP_HEAP 1
41#define SAVAGE_NR_TEX_HEAPS 2
42#define SAVAGE_NR_TEX_REGIONS 16
43#define SAVAGE_LOG_MIN_TEX_REGION_SIZE 16
44
45#endif /* __SAVAGE_SAREA_DEFINES__ */
46
47typedef struct _drm_savage_sarea {
48 /* LRU lists for texture memory in agp space and on the card.
49 */
50 drm_tex_region_t texList[SAVAGE_NR_TEX_HEAPS][SAVAGE_NR_TEX_REGIONS+1];
51 unsigned int texAge[SAVAGE_NR_TEX_HEAPS];
52
53 /* Mechanism to validate card state.
54 */
55 int ctxOwner;
56} drm_savage_sarea_t, *drm_savage_sarea_ptr;
57
58/* Savage-specific ioctls
59 */
60#define DRM_SAVAGE_BCI_INIT 0x00
61#define DRM_SAVAGE_BCI_CMDBUF 0x01
62#define DRM_SAVAGE_BCI_EVENT_EMIT 0x02
63#define DRM_SAVAGE_BCI_EVENT_WAIT 0x03
64
65#define DRM_IOCTL_SAVAGE_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_SAVAGE_BCI_INIT, drm_savage_init_t)
66#define DRM_IOCTL_SAVAGE_CMDBUF DRM_IOW( DRM_COMMAND_BASE + DRM_SAVAGE_BCI_CMDBUF, drm_savage_cmdbuf_t)
67#define DRM_IOCTL_SAVAGE_EVENT_EMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_SAVAGE_BCI_EVENT_EMIT, drm_savage_event_emit_t)
68#define DRM_IOCTL_SAVAGE_EVENT_WAIT DRM_IOW( DRM_COMMAND_BASE + DRM_SAVAGE_BCI_EVENT_WAIT, drm_savage_event_wait_t)
69
70#define SAVAGE_DMA_PCI 1
71#define SAVAGE_DMA_AGP 3
72typedef struct drm_savage_init {
73 enum {
74 SAVAGE_INIT_BCI = 1,
75 SAVAGE_CLEANUP_BCI = 2
76 } func;
77 unsigned int sarea_priv_offset;
78
79 /* some parameters */
80 unsigned int cob_size;
81 unsigned int bci_threshold_lo, bci_threshold_hi;
82 unsigned int dma_type;
83
84 /* frame buffer layout */
85 unsigned int fb_bpp;
86 unsigned int front_offset, front_pitch;
87 unsigned int back_offset, back_pitch;
88 unsigned int depth_bpp;
89 unsigned int depth_offset, depth_pitch;
90
91 /* local textures */
92 unsigned int texture_offset;
93 unsigned int texture_size;
94
95 /* physical locations of non-permanent maps */
96 unsigned long status_offset;
97 unsigned long buffers_offset;
98 unsigned long agp_textures_offset;
99 unsigned long cmd_dma_offset;
100} drm_savage_init_t;
101
102typedef union drm_savage_cmd_header drm_savage_cmd_header_t;
103typedef struct drm_savage_cmdbuf {
104 /* command buffer in client's address space */
105 drm_savage_cmd_header_t __user *cmd_addr;
106 unsigned int size; /* size of the command buffer in 64bit units */
107
108 unsigned int dma_idx; /* DMA buffer index to use */
109 int discard; /* discard DMA buffer when done */
110 /* vertex buffer in client's address space */
111 unsigned int __user *vb_addr;
112 unsigned int vb_size; /* size of client vertex buffer in bytes */
113 unsigned int vb_stride; /* stride of vertices in 32bit words */
114 /* boxes in client's address space */
115 drm_clip_rect_t __user *box_addr;
116 unsigned int nbox; /* number of clipping boxes */
117} drm_savage_cmdbuf_t;
118
119#define SAVAGE_WAIT_2D 0x1 /* wait for 2D idle before updating event tag */
120#define SAVAGE_WAIT_3D 0x2 /* wait for 3D idle before updating event tag */
121#define SAVAGE_WAIT_IRQ 0x4 /* emit or wait for IRQ, not implemented yet */
122typedef struct drm_savage_event {
123 unsigned int count;
124 unsigned int flags;
125} drm_savage_event_emit_t, drm_savage_event_wait_t;
126
127/* Commands for the cmdbuf ioctl
128 */
129#define SAVAGE_CMD_STATE 0 /* a range of state registers */
130#define SAVAGE_CMD_DMA_PRIM 1 /* vertices from DMA buffer */
131#define SAVAGE_CMD_VB_PRIM 2 /* vertices from client vertex buffer */
132#define SAVAGE_CMD_DMA_IDX 3 /* indexed vertices from DMA buffer */
133#define SAVAGE_CMD_VB_IDX 4 /* indexed vertices client vertex buffer */
134#define SAVAGE_CMD_CLEAR 5 /* clear buffers */
135#define SAVAGE_CMD_SWAP 6 /* swap buffers */
136
137/* Primitive types
138*/
139#define SAVAGE_PRIM_TRILIST 0 /* triangle list */
140#define SAVAGE_PRIM_TRISTRIP 1 /* triangle strip */
141#define SAVAGE_PRIM_TRIFAN 2 /* triangle fan */
142#define SAVAGE_PRIM_TRILIST_201 3 /* reorder verts for correct flat
143 * shading on s3d */
144
145/* Skip flags (vertex format)
146 */
147#define SAVAGE_SKIP_Z 0x01
148#define SAVAGE_SKIP_W 0x02
149#define SAVAGE_SKIP_C0 0x04
150#define SAVAGE_SKIP_C1 0x08
151#define SAVAGE_SKIP_S0 0x10
152#define SAVAGE_SKIP_T0 0x20
153#define SAVAGE_SKIP_ST0 0x30
154#define SAVAGE_SKIP_S1 0x40
155#define SAVAGE_SKIP_T1 0x80
156#define SAVAGE_SKIP_ST1 0xc0
157#define SAVAGE_SKIP_ALL_S3D 0x3f
158#define SAVAGE_SKIP_ALL_S4 0xff
159
160/* Buffer names for clear command
161 */
162#define SAVAGE_FRONT 0x1
163#define SAVAGE_BACK 0x2
164#define SAVAGE_DEPTH 0x4
165
166/* 64-bit command header
167 */
168union drm_savage_cmd_header {
169 struct {
170 unsigned char cmd; /* command */
171 unsigned char pad0;
172 unsigned short pad1;
173 unsigned short pad2;
174 unsigned short pad3;
175 } cmd; /* generic */
176 struct {
177 unsigned char cmd;
178 unsigned char global; /* need idle engine? */
179 unsigned short count; /* number of consecutive registers */
180 unsigned short start; /* first register */
181 unsigned short pad3;
182 } state; /* SAVAGE_CMD_STATE */
183 struct {
184 unsigned char cmd;
185 unsigned char prim; /* primitive type */
186 unsigned short skip; /* vertex format (skip flags) */
187 unsigned short count; /* number of vertices */
188 unsigned short start; /* first vertex in DMA/vertex buffer */
189 } prim; /* SAVAGE_CMD_DMA_PRIM, SAVAGE_CMD_VB_PRIM */
190 struct {
191 unsigned char cmd;
192 unsigned char prim;
193 unsigned short skip;
194 unsigned short count; /* number of indices that follow */
195 unsigned short pad3;
196 } idx; /* SAVAGE_CMD_DMA_IDX, SAVAGE_CMD_VB_IDX */
197 struct {
198 unsigned char cmd;
199 unsigned char pad0;
200 unsigned short pad1;
201 unsigned int flags;
202 } clear0; /* SAVAGE_CMD_CLEAR */
203 struct {
204 unsigned int mask;
205 unsigned int value;
206 } clear1; /* SAVAGE_CMD_CLEAR data */
207};
208
209#endif
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-08 21:42:45 -0500