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[mirror_ubuntu-artful-kernel.git] / include / uapi / drm / i810_drm.h
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1#ifndef _I810_DRM_H_
2#define _I810_DRM_H_
3
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4#include <drm/drm.h>
5
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6/* WARNING: These defines must be the same as what the Xserver uses.
7 * if you change them, you must change the defines in the Xserver.
8 */
9
10#ifndef _I810_DEFINES_
11#define _I810_DEFINES_
12
13#define I810_DMA_BUF_ORDER 12
14#define I810_DMA_BUF_SZ (1<<I810_DMA_BUF_ORDER)
15#define I810_DMA_BUF_NR 256
16#define I810_NR_SAREA_CLIPRECTS 8
17
18/* Each region is a minimum of 64k, and there are at most 64 of them.
19 */
20#define I810_NR_TEX_REGIONS 64
21#define I810_LOG_MIN_TEX_REGION_SIZE 16
22#endif
23
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24#define I810_UPLOAD_TEX0IMAGE 0x1 /* handled clientside */
25#define I810_UPLOAD_TEX1IMAGE 0x2 /* handled clientside */
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26#define I810_UPLOAD_CTX 0x4
27#define I810_UPLOAD_BUFFERS 0x8
28#define I810_UPLOAD_TEX0 0x10
29#define I810_UPLOAD_TEX1 0x20
30#define I810_UPLOAD_CLIPRECTS 0x40
31
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32/* Indices into buf.Setup where various bits of state are mirrored per
33 * context and per buffer. These can be fired at the card as a unit,
34 * or in a piecewise fashion as required.
35 */
36
b5e89ed5 37/* Destbuffer state
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38 * - backbuffer linear offset and pitch -- invarient in the current dri
39 * - zbuffer linear offset and pitch -- also invarient
40 * - drawing origin in back and depth buffers.
41 *
42 * Keep the depth/back buffer state here to accommodate private buffers
43 * in the future.
44 */
45#define I810_DESTREG_DI0 0 /* CMD_OP_DESTBUFFER_INFO (2 dwords) */
46#define I810_DESTREG_DI1 1
47#define I810_DESTREG_DV0 2 /* GFX_OP_DESTBUFFER_VARS (2 dwords) */
48#define I810_DESTREG_DV1 3
49#define I810_DESTREG_DR0 4 /* GFX_OP_DRAWRECT_INFO (4 dwords) */
50#define I810_DESTREG_DR1 5
51#define I810_DESTREG_DR2 6
52#define I810_DESTREG_DR3 7
53#define I810_DESTREG_DR4 8
54#define I810_DEST_SETUP_SIZE 10
55
56/* Context state
57 */
58#define I810_CTXREG_CF0 0 /* GFX_OP_COLOR_FACTOR */
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59#define I810_CTXREG_CF1 1
60#define I810_CTXREG_ST0 2 /* GFX_OP_STIPPLE */
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61#define I810_CTXREG_ST1 3
62#define I810_CTXREG_VF 4 /* GFX_OP_VERTEX_FMT */
63#define I810_CTXREG_MT 5 /* GFX_OP_MAP_TEXELS */
64#define I810_CTXREG_MC0 6 /* GFX_OP_MAP_COLOR_STAGES - stage 0 */
b5e89ed5 65#define I810_CTXREG_MC1 7 /* GFX_OP_MAP_COLOR_STAGES - stage 1 */
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66#define I810_CTXREG_MC2 8 /* GFX_OP_MAP_COLOR_STAGES - stage 2 */
67#define I810_CTXREG_MA0 9 /* GFX_OP_MAP_ALPHA_STAGES - stage 0 */
68#define I810_CTXREG_MA1 10 /* GFX_OP_MAP_ALPHA_STAGES - stage 1 */
69#define I810_CTXREG_MA2 11 /* GFX_OP_MAP_ALPHA_STAGES - stage 2 */
70#define I810_CTXREG_SDM 12 /* GFX_OP_SRC_DEST_MONO */
71#define I810_CTXREG_FOG 13 /* GFX_OP_FOG_COLOR */
72#define I810_CTXREG_B1 14 /* GFX_OP_BOOL_1 */
73#define I810_CTXREG_B2 15 /* GFX_OP_BOOL_2 */
74#define I810_CTXREG_LCS 16 /* GFX_OP_LINEWIDTH_CULL_SHADE_MODE */
75#define I810_CTXREG_PV 17 /* GFX_OP_PV_RULE -- Invarient! */
76#define I810_CTXREG_ZA 18 /* GFX_OP_ZBIAS_ALPHAFUNC */
77#define I810_CTXREG_AA 19 /* GFX_OP_ANTIALIAS */
b5e89ed5 78#define I810_CTX_SETUP_SIZE 20
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79
80/* Texture state (per tex unit)
81 */
82#define I810_TEXREG_MI0 0 /* GFX_OP_MAP_INFO (4 dwords) */
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83#define I810_TEXREG_MI1 1
84#define I810_TEXREG_MI2 2
85#define I810_TEXREG_MI3 3
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86#define I810_TEXREG_MF 4 /* GFX_OP_MAP_FILTER */
87#define I810_TEXREG_MLC 5 /* GFX_OP_MAP_LOD_CTL */
88#define I810_TEXREG_MLL 6 /* GFX_OP_MAP_LOD_LIMITS */
89#define I810_TEXREG_MCS 7 /* GFX_OP_MAP_COORD_SETS ??? */
90#define I810_TEX_SETUP_SIZE 8
91
92/* Flags for clear ioctl
93 */
94#define I810_FRONT 0x1
95#define I810_BACK 0x2
96#define I810_DEPTH 0x4
97
98typedef enum _drm_i810_init_func {
99 I810_INIT_DMA = 0x01,
100 I810_CLEANUP_DMA = 0x02,
101 I810_INIT_DMA_1_4 = 0x03
b5e89ed5 102} drm_i810_init_func_t;
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103
104/* This is the init structure after v1.2 */
105typedef struct _drm_i810_init {
106 drm_i810_init_func_t func;
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107 unsigned int mmio_offset;
108 unsigned int buffers_offset;
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109 int sarea_priv_offset;
110 unsigned int ring_start;
111 unsigned int ring_end;
112 unsigned int ring_size;
113 unsigned int front_offset;
114 unsigned int back_offset;
115 unsigned int depth_offset;
116 unsigned int overlay_offset;
117 unsigned int overlay_physical;
118 unsigned int w;
119 unsigned int h;
120 unsigned int pitch;
b5e89ed5 121 unsigned int pitch_bits;
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122} drm_i810_init_t;
123
124/* This is the init structure prior to v1.2 */
125typedef struct _drm_i810_pre12_init {
126 drm_i810_init_func_t func;
127 unsigned int mmio_offset;
128 unsigned int buffers_offset;
129 int sarea_priv_offset;
130 unsigned int ring_start;
131 unsigned int ring_end;
132 unsigned int ring_size;
133 unsigned int front_offset;
134 unsigned int back_offset;
135 unsigned int depth_offset;
136 unsigned int w;
137 unsigned int h;
138 unsigned int pitch;
b5e89ed5 139 unsigned int pitch_bits;
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140} drm_i810_pre12_init_t;
141
142/* Warning: If you change the SAREA structure you must change the Xserver
143 * structure as well */
144
145typedef struct _drm_i810_tex_region {
b5e89ed5 146 unsigned char next, prev; /* indices to form a circular LRU */
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147 unsigned char in_use; /* owned by a client, or free? */
148 int age; /* tracked by clients to update local LRU's */
149} drm_i810_tex_region_t;
150
151typedef struct _drm_i810_sarea {
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152 unsigned int ContextState[I810_CTX_SETUP_SIZE];
153 unsigned int BufferState[I810_DEST_SETUP_SIZE];
154 unsigned int TexState[2][I810_TEX_SETUP_SIZE];
155 unsigned int dirty;
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156
157 unsigned int nbox;
eddca551 158 struct drm_clip_rect boxes[I810_NR_SAREA_CLIPRECTS];
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159
160 /* Maintain an LRU of contiguous regions of texture space. If
161 * you think you own a region of texture memory, and it has an
162 * age different to the one you set, then you are mistaken and
163 * it has been stolen by another client. If global texAge
164 * hasn't changed, there is no need to walk the list.
165 *
166 * These regions can be used as a proxy for the fine-grained
167 * texture information of other clients - by maintaining them
168 * in the same lru which is used to age their own textures,
169 * clients have an approximate lru for the whole of global
170 * texture space, and can make informed decisions as to which
171 * areas to kick out. There is no need to choose whether to
172 * kick out your own texture or someone else's - simply eject
b5e89ed5 173 * them all in LRU order.
1da177e4 174 */
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175
176 drm_i810_tex_region_t texList[I810_NR_TEX_REGIONS + 1];
177 /* Last elt is sentinal */
178 int texAge; /* last time texture was uploaded */
179 int last_enqueue; /* last time a buffer was enqueued */
1da177e4 180 int last_dispatch; /* age of the most recently dispatched buffer */
b5e89ed5 181 int last_quiescent; /* */
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182 int ctxOwner; /* last context to upload state */
183
184 int vertex_prim;
185
b5e89ed5 186 int pf_enabled; /* is pageflipping allowed? */
1da177e4 187 int pf_active;
b5e89ed5 188 int pf_current_page; /* which buffer is being displayed? */
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189} drm_i810_sarea_t;
190
191/* WARNING: If you change any of these defines, make sure to change the
192 * defines in the Xserver file (xf86drmMga.h)
193 */
194
195/* i810 specific ioctls
196 * The device specific ioctl range is 0x40 to 0x79.
197 */
198#define DRM_I810_INIT 0x00
199#define DRM_I810_VERTEX 0x01
200#define DRM_I810_CLEAR 0x02
201#define DRM_I810_FLUSH 0x03
202#define DRM_I810_GETAGE 0x04
203#define DRM_I810_GETBUF 0x05
204#define DRM_I810_SWAP 0x06
205#define DRM_I810_COPY 0x07
206#define DRM_I810_DOCOPY 0x08
207#define DRM_I810_OV0INFO 0x09
208#define DRM_I810_FSTATUS 0x0a
209#define DRM_I810_OV0FLIP 0x0b
210#define DRM_I810_MC 0x0c
211#define DRM_I810_RSTATUS 0x0d
212#define DRM_I810_FLIP 0x0e
213
214#define DRM_IOCTL_I810_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I810_INIT, drm_i810_init_t)
215#define DRM_IOCTL_I810_VERTEX DRM_IOW( DRM_COMMAND_BASE + DRM_I810_VERTEX, drm_i810_vertex_t)
216#define DRM_IOCTL_I810_CLEAR DRM_IOW( DRM_COMMAND_BASE + DRM_I810_CLEAR, drm_i810_clear_t)
217#define DRM_IOCTL_I810_FLUSH DRM_IO( DRM_COMMAND_BASE + DRM_I810_FLUSH)
218#define DRM_IOCTL_I810_GETAGE DRM_IO( DRM_COMMAND_BASE + DRM_I810_GETAGE)
219#define DRM_IOCTL_I810_GETBUF DRM_IOWR(DRM_COMMAND_BASE + DRM_I810_GETBUF, drm_i810_dma_t)
220#define DRM_IOCTL_I810_SWAP DRM_IO( DRM_COMMAND_BASE + DRM_I810_SWAP)
221#define DRM_IOCTL_I810_COPY DRM_IOW( DRM_COMMAND_BASE + DRM_I810_COPY, drm_i810_copy_t)
222#define DRM_IOCTL_I810_DOCOPY DRM_IO( DRM_COMMAND_BASE + DRM_I810_DOCOPY)
223#define DRM_IOCTL_I810_OV0INFO DRM_IOR( DRM_COMMAND_BASE + DRM_I810_OV0INFO, drm_i810_overlay_t)
224#define DRM_IOCTL_I810_FSTATUS DRM_IO ( DRM_COMMAND_BASE + DRM_I810_FSTATUS)
225#define DRM_IOCTL_I810_OV0FLIP DRM_IO ( DRM_COMMAND_BASE + DRM_I810_OV0FLIP)
226#define DRM_IOCTL_I810_MC DRM_IOW( DRM_COMMAND_BASE + DRM_I810_MC, drm_i810_mc_t)
227#define DRM_IOCTL_I810_RSTATUS DRM_IO ( DRM_COMMAND_BASE + DRM_I810_RSTATUS)
228#define DRM_IOCTL_I810_FLIP DRM_IO ( DRM_COMMAND_BASE + DRM_I810_FLIP)
229
230typedef struct _drm_i810_clear {
231 int clear_color;
232 int clear_depth;
233 int flags;
234} drm_i810_clear_t;
235
236/* These may be placeholders if we have more cliprects than
237 * I810_NR_SAREA_CLIPRECTS. In that case, the client sets discard to
238 * false, indicating that the buffer will be dispatched again with a
239 * new set of cliprects.
240 */
241typedef struct _drm_i810_vertex {
b5e89ed5 242 int idx; /* buffer index */
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243 int used; /* nr bytes in use */
244 int discard; /* client is finished with the buffer? */
245} drm_i810_vertex_t;
246
247typedef struct _drm_i810_copy_t {
b5e89ed5 248 int idx; /* buffer index */
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249 int used; /* nr bytes in use */
250 void *address; /* Address to copy from */
251} drm_i810_copy_t;
252
253#define PR_TRIANGLES (0x0<<18)
254#define PR_TRISTRIP_0 (0x1<<18)
255#define PR_TRISTRIP_1 (0x2<<18)
256#define PR_TRIFAN (0x3<<18)
257#define PR_POLYGON (0x4<<18)
258#define PR_LINES (0x5<<18)
259#define PR_LINESTRIP (0x6<<18)
260#define PR_RECTS (0x7<<18)
261#define PR_MASK (0x7<<18)
262
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263typedef struct drm_i810_dma {
264 void *virtual;
265 int request_idx;
266 int request_size;
267 int granted;
268} drm_i810_dma_t;
269
270typedef struct _drm_i810_overlay_t {
b5e89ed5 271 unsigned int offset; /* Address of the Overlay Regs */
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272 unsigned int physical;
273} drm_i810_overlay_t;
274
275typedef struct _drm_i810_mc {
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276 int idx; /* buffer index */
277 int used; /* nr bytes in use */
278 int num_blocks; /* number of GFXBlocks */
279 int *length; /* List of lengths for GFXBlocks (FUTURE) */
280 unsigned int last_render; /* Last Render Request */
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281} drm_i810_mc_t;
282
b5e89ed5 283#endif /* _I810_DRM_H_ */