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-rw-r--r--include/drm/savage_drm.h210
1 files changed, 210 insertions, 0 deletions
diff --git a/include/drm/savage_drm.h b/include/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 struct drm_tex_region texList[SAVAGE_NR_TEX_HEAPS][SAVAGE_NR_TEX_REGIONS +
51 1];
52 unsigned int texAge[SAVAGE_NR_TEX_HEAPS];
53
54 /* Mechanism to validate card state.
55 */
56 int ctxOwner;
57} drm_savage_sarea_t, *drm_savage_sarea_ptr;
58
59/* Savage-specific ioctls
60 */
61#define DRM_SAVAGE_BCI_INIT 0x00
62#define DRM_SAVAGE_BCI_CMDBUF 0x01
63#define DRM_SAVAGE_BCI_EVENT_EMIT 0x02
64#define DRM_SAVAGE_BCI_EVENT_WAIT 0x03
65
66#define DRM_IOCTL_SAVAGE_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_SAVAGE_BCI_INIT, drm_savage_init_t)
67#define DRM_IOCTL_SAVAGE_CMDBUF DRM_IOW( DRM_COMMAND_BASE + DRM_SAVAGE_BCI_CMDBUF, drm_savage_cmdbuf_t)
68#define DRM_IOCTL_SAVAGE_EVENT_EMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_SAVAGE_BCI_EVENT_EMIT, drm_savage_event_emit_t)
69#define DRM_IOCTL_SAVAGE_EVENT_WAIT DRM_IOW( DRM_COMMAND_BASE + DRM_SAVAGE_BCI_EVENT_WAIT, drm_savage_event_wait_t)
70
71#define SAVAGE_DMA_PCI 1
72#define SAVAGE_DMA_AGP 3
73typedef struct drm_savage_init {
74 enum {
75 SAVAGE_INIT_BCI = 1,
76 SAVAGE_CLEANUP_BCI = 2
77 } func;
78 unsigned int sarea_priv_offset;
79
80 /* some parameters */
81 unsigned int cob_size;
82 unsigned int bci_threshold_lo, bci_threshold_hi;
83 unsigned int dma_type;
84
85 /* frame buffer layout */
86 unsigned int fb_bpp;
87 unsigned int front_offset, front_pitch;
88 unsigned int back_offset, back_pitch;
89 unsigned int depth_bpp;
90 unsigned int depth_offset, depth_pitch;
91
92 /* local textures */
93 unsigned int texture_offset;
94 unsigned int texture_size;
95
96 /* physical locations of non-permanent maps */
97 unsigned long status_offset;
98 unsigned long buffers_offset;
99 unsigned long agp_textures_offset;
100 unsigned long cmd_dma_offset;
101} drm_savage_init_t;
102
103typedef union drm_savage_cmd_header drm_savage_cmd_header_t;
104typedef struct drm_savage_cmdbuf {
105 /* command buffer in client's address space */
106 drm_savage_cmd_header_t __user *cmd_addr;
107 unsigned int size; /* size of the command buffer in 64bit units */
108
109 unsigned int dma_idx; /* DMA buffer index to use */
110 int discard; /* discard DMA buffer when done */
111 /* vertex buffer in client's address space */
112 unsigned int __user *vb_addr;
113 unsigned int vb_size; /* size of client vertex buffer in bytes */
114 unsigned int vb_stride; /* stride of vertices in 32bit words */
115 /* boxes in client's address space */
116 struct drm_clip_rect __user *box_addr;
117 unsigned int nbox; /* number of clipping boxes */
118} drm_savage_cmdbuf_t;
119
120#define SAVAGE_WAIT_2D 0x1 /* wait for 2D idle before updating event tag */
121#define SAVAGE_WAIT_3D 0x2 /* wait for 3D idle before updating event tag */
122#define SAVAGE_WAIT_IRQ 0x4 /* emit or wait for IRQ, not implemented yet */
123typedef struct drm_savage_event {
124 unsigned int count;
125 unsigned int flags;
126} drm_savage_event_emit_t, drm_savage_event_wait_t;
127
128/* Commands for the cmdbuf ioctl
129 */
130#define SAVAGE_CMD_STATE 0 /* a range of state registers */
131#define SAVAGE_CMD_DMA_PRIM 1 /* vertices from DMA buffer */
132#define SAVAGE_CMD_VB_PRIM 2 /* vertices from client vertex buffer */
133#define SAVAGE_CMD_DMA_IDX 3 /* indexed vertices from DMA buffer */
134#define SAVAGE_CMD_VB_IDX 4 /* indexed vertices client vertex buffer */
135#define SAVAGE_CMD_CLEAR 5 /* clear buffers */
136#define SAVAGE_CMD_SWAP 6 /* swap buffers */
137
138/* Primitive types
139*/
140#define SAVAGE_PRIM_TRILIST 0 /* triangle list */
141#define SAVAGE_PRIM_TRISTRIP 1 /* triangle strip */
142#define SAVAGE_PRIM_TRIFAN 2 /* triangle fan */
143#define SAVAGE_PRIM_TRILIST_201 3 /* reorder verts for correct flat
144 * shading on s3d */
145
146/* Skip flags (vertex format)
147 */
148#define SAVAGE_SKIP_Z 0x01
149#define SAVAGE_SKIP_W 0x02
150#define SAVAGE_SKIP_C0 0x04
151#define SAVAGE_SKIP_C1 0x08
152#define SAVAGE_SKIP_S0 0x10
153#define SAVAGE_SKIP_T0 0x20
154#define SAVAGE_SKIP_ST0 0x30
155#define SAVAGE_SKIP_S1 0x40
156#define SAVAGE_SKIP_T1 0x80
157#define SAVAGE_SKIP_ST1 0xc0
158#define SAVAGE_SKIP_ALL_S3D 0x3f
159#define SAVAGE_SKIP_ALL_S4 0xff
160
161/* Buffer names for clear command
162 */
163#define SAVAGE_FRONT 0x1
164#define SAVAGE_BACK 0x2
165#define SAVAGE_DEPTH 0x4
166
167/* 64-bit command header
168 */
169union drm_savage_cmd_header {
170 struct {
171 unsigned char cmd; /* command */
172 unsigned char pad0;
173 unsigned short pad1;
174 unsigned short pad2;
175 unsigned short pad3;
176 } cmd; /* generic */
177 struct {
178 unsigned char cmd;
179 unsigned char global; /* need idle engine? */
180 unsigned short count; /* number of consecutive registers */
181 unsigned short start; /* first register */
182 unsigned short pad3;
183 } state; /* SAVAGE_CMD_STATE */
184 struct {
185 unsigned char cmd;
186 unsigned char prim; /* primitive type */
187 unsigned short skip; /* vertex format (skip flags) */
188 unsigned short count; /* number of vertices */
189 unsigned short start; /* first vertex in DMA/vertex buffer */
190 } prim; /* SAVAGE_CMD_DMA_PRIM, SAVAGE_CMD_VB_PRIM */
191 struct {
192 unsigned char cmd;
193 unsigned char prim;
194 unsigned short skip;
195 unsigned short count; /* number of indices that follow */
196 unsigned short pad3;
197 } idx; /* SAVAGE_CMD_DMA_IDX, SAVAGE_CMD_VB_IDX */
198 struct {
199 unsigned char cmd;
200 unsigned char pad0;
201 unsigned short pad1;
202 unsigned int flags;
203 } clear0; /* SAVAGE_CMD_CLEAR */
204 struct {
205 unsigned int mask;
206 unsigned int value;
207 } clear1; /* SAVAGE_CMD_CLEAR data */
208};
209
210#endif
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-26 22:05:50 -0500