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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 | |
47 | typedef 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 |
73 | typedef 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 | |
103 | typedef union drm_savage_cmd_header drm_savage_cmd_header_t; |
104 | typedef 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 */ |
123 | typedef 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 | */ |
169 | union 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 |
211 |
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