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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _I830_DRM_H_
2#define _I830_DRM_H_
3
4/* WARNING: These defines must be the same as what the Xserver uses.
5 * if you change them, you must change the defines in the Xserver.
6 *
7 * KW: Actually, you can't ever change them because doing so would
8 * break backwards compatibility.
9 */
10
11#ifndef _I830_DEFINES_
12#define _I830_DEFINES_
13
14#define I830_DMA_BUF_ORDER 12
Dave Airliebc5f4522007-11-05 12:50:58 +100015#define I830_DMA_BUF_SZ (1<<I830_DMA_BUF_ORDER)
16#define I830_DMA_BUF_NR 256
17#define I830_NR_SAREA_CLIPRECTS 8
Linus Torvalds1da177e2005-04-16 15:20:36 -070018
19/* Each region is a minimum of 64k, and there are at most 64 of them.
20 */
21#define I830_NR_TEX_REGIONS 64
22#define I830_LOG_MIN_TEX_REGION_SIZE 16
23
24/* KW: These aren't correct but someone set them to two and then
25 * released the module. Now we can't change them as doing so would
26 * break backwards compatibility.
27 */
28#define I830_TEXTURE_COUNT 2
29#define I830_TEXBLEND_COUNT I830_TEXTURE_COUNT
30
31#define I830_TEXBLEND_SIZE 12 /* (4 args + op) * 2 + COLOR_FACTOR */
32
33#define I830_UPLOAD_CTX 0x1
34#define I830_UPLOAD_BUFFERS 0x2
35#define I830_UPLOAD_CLIPRECTS 0x4
Dave Airlieb5e89ed2005-09-25 14:28:13 +100036#define I830_UPLOAD_TEX0_IMAGE 0x100 /* handled clientside */
37#define I830_UPLOAD_TEX0_CUBE 0x200 /* handled clientside */
38#define I830_UPLOAD_TEX1_IMAGE 0x400 /* handled clientside */
39#define I830_UPLOAD_TEX1_CUBE 0x800 /* handled clientside */
40#define I830_UPLOAD_TEX2_IMAGE 0x1000 /* handled clientside */
41#define I830_UPLOAD_TEX2_CUBE 0x2000 /* handled clientside */
42#define I830_UPLOAD_TEX3_IMAGE 0x4000 /* handled clientside */
43#define I830_UPLOAD_TEX3_CUBE 0x8000 /* handled clientside */
Linus Torvalds1da177e2005-04-16 15:20:36 -070044#define I830_UPLOAD_TEX_N_IMAGE(n) (0x100 << (n * 2))
45#define I830_UPLOAD_TEX_N_CUBE(n) (0x200 << (n * 2))
46#define I830_UPLOAD_TEXIMAGE_MASK 0xff00
47#define I830_UPLOAD_TEX0 0x10000
48#define I830_UPLOAD_TEX1 0x20000
49#define I830_UPLOAD_TEX2 0x40000
50#define I830_UPLOAD_TEX3 0x80000
51#define I830_UPLOAD_TEX_N(n) (0x10000 << (n))
52#define I830_UPLOAD_TEX_MASK 0xf0000
53#define I830_UPLOAD_TEXBLEND0 0x100000
54#define I830_UPLOAD_TEXBLEND1 0x200000
55#define I830_UPLOAD_TEXBLEND2 0x400000
56#define I830_UPLOAD_TEXBLEND3 0x800000
57#define I830_UPLOAD_TEXBLEND_N(n) (0x100000 << (n))
58#define I830_UPLOAD_TEXBLEND_MASK 0xf00000
59#define I830_UPLOAD_TEX_PALETTE_N(n) (0x1000000 << (n))
60#define I830_UPLOAD_TEX_PALETTE_SHARED 0x4000000
Dave Airliebc5f4522007-11-05 12:50:58 +100061#define I830_UPLOAD_STIPPLE 0x8000000
Linus Torvalds1da177e2005-04-16 15:20:36 -070062
63/* Indices into buf.Setup where various bits of state are mirrored per
64 * context and per buffer. These can be fired at the card as a unit,
65 * or in a piecewise fashion as required.
66 */
67
Dave Airlieb5e89ed2005-09-25 14:28:13 +100068/* Destbuffer state
Linus Torvalds1da177e2005-04-16 15:20:36 -070069 * - backbuffer linear offset and pitch -- invarient in the current dri
70 * - zbuffer linear offset and pitch -- also invarient
71 * - drawing origin in back and depth buffers.
72 *
73 * Keep the depth/back buffer state here to accommodate private buffers
74 * in the future.
75 */
76
77#define I830_DESTREG_CBUFADDR 0
78#define I830_DESTREG_DBUFADDR 1
79#define I830_DESTREG_DV0 2
80#define I830_DESTREG_DV1 3
81#define I830_DESTREG_SENABLE 4
82#define I830_DESTREG_SR0 5
83#define I830_DESTREG_SR1 6
84#define I830_DESTREG_SR2 7
85#define I830_DESTREG_DR0 8
86#define I830_DESTREG_DR1 9
87#define I830_DESTREG_DR2 10
88#define I830_DESTREG_DR3 11
89#define I830_DESTREG_DR4 12
90#define I830_DEST_SETUP_SIZE 13
91
92/* Context state
93 */
94#define I830_CTXREG_STATE1 0
95#define I830_CTXREG_STATE2 1
96#define I830_CTXREG_STATE3 2
97#define I830_CTXREG_STATE4 3
98#define I830_CTXREG_STATE5 4
99#define I830_CTXREG_IALPHAB 5
100#define I830_CTXREG_STENCILTST 6
101#define I830_CTXREG_ENABLES_1 7
102#define I830_CTXREG_ENABLES_2 8
103#define I830_CTXREG_AA 9
104#define I830_CTXREG_FOGCOLOR 10
105#define I830_CTXREG_BLENDCOLR0 11
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000106#define I830_CTXREG_BLENDCOLR 12 /* Dword 1 of 2 dword command */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700107#define I830_CTXREG_VF 13
108#define I830_CTXREG_VF2 14
109#define I830_CTXREG_MCSB0 15
110#define I830_CTXREG_MCSB1 16
111#define I830_CTX_SETUP_SIZE 17
112
113/* 1.3: Stipple state
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000114 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115#define I830_STPREG_ST0 0
116#define I830_STPREG_ST1 1
117#define I830_STP_SETUP_SIZE 2
118
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119/* Texture state (per tex unit)
120 */
121
122#define I830_TEXREG_MI0 0 /* GFX_OP_MAP_INFO (6 dwords) */
123#define I830_TEXREG_MI1 1
124#define I830_TEXREG_MI2 2
125#define I830_TEXREG_MI3 3
126#define I830_TEXREG_MI4 4
127#define I830_TEXREG_MI5 5
128#define I830_TEXREG_MF 6 /* GFX_OP_MAP_FILTER */
129#define I830_TEXREG_MLC 7 /* GFX_OP_MAP_LOD_CTL */
130#define I830_TEXREG_MLL 8 /* GFX_OP_MAP_LOD_LIMITS */
131#define I830_TEXREG_MCS 9 /* GFX_OP_MAP_COORD_SETS */
132#define I830_TEX_SETUP_SIZE 10
133
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000134#define I830_TEXREG_TM0LI 0 /* load immediate 2 texture map n */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700135#define I830_TEXREG_TM0S0 1
136#define I830_TEXREG_TM0S1 2
137#define I830_TEXREG_TM0S2 3
138#define I830_TEXREG_TM0S3 4
139#define I830_TEXREG_TM0S4 5
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000140#define I830_TEXREG_NOP0 6 /* noop */
141#define I830_TEXREG_NOP1 7 /* noop */
142#define I830_TEXREG_NOP2 8 /* noop */
143#define __I830_TEXREG_MCS 9 /* GFX_OP_MAP_COORD_SETS -- shared */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144#define __I830_TEX_SETUP_SIZE 10
145
146#define I830_FRONT 0x1
147#define I830_BACK 0x2
148#define I830_DEPTH 0x4
149
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000150#endif /* _I830_DEFINES_ */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700151
152typedef struct _drm_i830_init {
153 enum {
154 I830_INIT_DMA = 0x01,
155 I830_CLEANUP_DMA = 0x02
156 } func;
157 unsigned int mmio_offset;
158 unsigned int buffers_offset;
159 int sarea_priv_offset;
160 unsigned int ring_start;
161 unsigned int ring_end;
162 unsigned int ring_size;
163 unsigned int front_offset;
164 unsigned int back_offset;
165 unsigned int depth_offset;
166 unsigned int w;
167 unsigned int h;
168 unsigned int pitch;
169 unsigned int pitch_bits;
170 unsigned int back_pitch;
171 unsigned int depth_pitch;
172 unsigned int cpp;
173} drm_i830_init_t;
174
175/* Warning: If you change the SAREA structure you must change the Xserver
176 * structure as well */
177
178typedef struct _drm_i830_tex_region {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000179 unsigned char next, prev; /* indices to form a circular LRU */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700180 unsigned char in_use; /* owned by a client, or free? */
181 int age; /* tracked by clients to update local LRU's */
182} drm_i830_tex_region_t;
183
184typedef struct _drm_i830_sarea {
185 unsigned int ContextState[I830_CTX_SETUP_SIZE];
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000186 unsigned int BufferState[I830_DEST_SETUP_SIZE];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700187 unsigned int TexState[I830_TEXTURE_COUNT][I830_TEX_SETUP_SIZE];
188 unsigned int TexBlendState[I830_TEXBLEND_COUNT][I830_TEXBLEND_SIZE];
189 unsigned int TexBlendStateWordsUsed[I830_TEXBLEND_COUNT];
190 unsigned int Palette[2][256];
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000191 unsigned int dirty;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700192
193 unsigned int nbox;
Dave Airlieeddca552007-07-11 16:09:54 +1000194 struct drm_clip_rect boxes[I830_NR_SAREA_CLIPRECTS];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195
196 /* Maintain an LRU of contiguous regions of texture space. If
197 * you think you own a region of texture memory, and it has an
198 * age different to the one you set, then you are mistaken and
199 * it has been stolen by another client. If global texAge
200 * hasn't changed, there is no need to walk the list.
201 *
202 * These regions can be used as a proxy for the fine-grained
203 * texture information of other clients - by maintaining them
204 * in the same lru which is used to age their own textures,
205 * clients have an approximate lru for the whole of global
206 * texture space, and can make informed decisions as to which
207 * areas to kick out. There is no need to choose whether to
208 * kick out your own texture or someone else's - simply eject
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000209 * them all in LRU order.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700210 */
211
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000212 drm_i830_tex_region_t texList[I830_NR_TEX_REGIONS + 1];
213 /* Last elt is sentinal */
214 int texAge; /* last time texture was uploaded */
215 int last_enqueue; /* last time a buffer was enqueued */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700216 int last_dispatch; /* age of the most recently dispatched buffer */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000217 int last_quiescent; /* */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700218 int ctxOwner; /* last context to upload state */
219
220 int vertex_prim;
221
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000222 int pf_enabled; /* is pageflipping allowed? */
223 int pf_active;
224 int pf_current_page; /* which buffer is being displayed? */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700225
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000226 int perf_boxes; /* performance boxes to be displayed */
227
228 /* Here's the state for texunits 2,3:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700229 */
230 unsigned int TexState2[I830_TEX_SETUP_SIZE];
231 unsigned int TexBlendState2[I830_TEXBLEND_SIZE];
232 unsigned int TexBlendStateWordsUsed2;
233
234 unsigned int TexState3[I830_TEX_SETUP_SIZE];
235 unsigned int TexBlendState3[I830_TEXBLEND_SIZE];
236 unsigned int TexBlendStateWordsUsed3;
237
238 unsigned int StippleState[I830_STP_SETUP_SIZE];
239} drm_i830_sarea_t;
240
241/* Flags for perf_boxes
242 */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000243#define I830_BOX_RING_EMPTY 0x1 /* populated by kernel */
244#define I830_BOX_FLIP 0x2 /* populated by kernel */
245#define I830_BOX_WAIT 0x4 /* populated by kernel & client */
246#define I830_BOX_TEXTURE_LOAD 0x8 /* populated by kernel */
247#define I830_BOX_LOST_CONTEXT 0x10 /* populated by client */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700248
249/* I830 specific ioctls
250 * The device specific ioctl range is 0x40 to 0x79.
251 */
252#define DRM_I830_INIT 0x00
253#define DRM_I830_VERTEX 0x01
254#define DRM_I830_CLEAR 0x02
255#define DRM_I830_FLUSH 0x03
256#define DRM_I830_GETAGE 0x04
257#define DRM_I830_GETBUF 0x05
258#define DRM_I830_SWAP 0x06
259#define DRM_I830_COPY 0x07
260#define DRM_I830_DOCOPY 0x08
261#define DRM_I830_FLIP 0x09
262#define DRM_I830_IRQ_EMIT 0x0a
263#define DRM_I830_IRQ_WAIT 0x0b
264#define DRM_I830_GETPARAM 0x0c
265#define DRM_I830_SETPARAM 0x0d
266
267#define DRM_IOCTL_I830_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_INIT, drm_i830_init_t)
268#define DRM_IOCTL_I830_VERTEX DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_VERTEX, drm_i830_vertex_t)
269#define DRM_IOCTL_I830_CLEAR DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_CLEAR, drm_i830_clear_t)
270#define DRM_IOCTL_I830_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_FLUSH)
271#define DRM_IOCTL_I830_GETAGE DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_GETAGE)
272#define DRM_IOCTL_I830_GETBUF DRM_IOWR(DRM_COMMAND_BASE + DRM_IOCTL_I830_GETBUF, drm_i830_dma_t)
273#define DRM_IOCTL_I830_SWAP DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_SWAP)
274#define DRM_IOCTL_I830_COPY DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_COPY, drm_i830_copy_t)
275#define DRM_IOCTL_I830_DOCOPY DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_DOCOPY)
276#define DRM_IOCTL_I830_FLIP DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_FLIP)
277#define DRM_IOCTL_I830_IRQ_EMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_IOCTL_I830_IRQ_EMIT, drm_i830_irq_emit_t)
278#define DRM_IOCTL_I830_IRQ_WAIT DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_IRQ_WAIT, drm_i830_irq_wait_t)
279#define DRM_IOCTL_I830_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_IOCTL_I830_GETPARAM, drm_i830_getparam_t)
280#define DRM_IOCTL_I830_SETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_IOCTL_I830_SETPARAM, drm_i830_setparam_t)
281
282typedef struct _drm_i830_clear {
283 int clear_color;
284 int clear_depth;
285 int flags;
286 unsigned int clear_colormask;
287 unsigned int clear_depthmask;
288} drm_i830_clear_t;
289
Linus Torvalds1da177e2005-04-16 15:20:36 -0700290/* These may be placeholders if we have more cliprects than
291 * I830_NR_SAREA_CLIPRECTS. In that case, the client sets discard to
292 * false, indicating that the buffer will be dispatched again with a
293 * new set of cliprects.
294 */
295typedef struct _drm_i830_vertex {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000296 int idx; /* buffer index */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700297 int used; /* nr bytes in use */
298 int discard; /* client is finished with the buffer? */
299} drm_i830_vertex_t;
300
301typedef struct _drm_i830_copy_t {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000302 int idx; /* buffer index */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700303 int used; /* nr bytes in use */
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000304 void __user *address; /* Address to copy from */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700305} drm_i830_copy_t;
306
307typedef struct drm_i830_dma {
308 void __user *virtual;
309 int request_idx;
310 int request_size;
311 int granted;
312} drm_i830_dma_t;
313
Linus Torvalds1da177e2005-04-16 15:20:36 -0700314/* 1.3: Userspace can request & wait on irq's:
315 */
316typedef struct drm_i830_irq_emit {
317 int __user *irq_seq;
318} drm_i830_irq_emit_t;
319
320typedef struct drm_i830_irq_wait {
321 int irq_seq;
322} drm_i830_irq_wait_t;
323
Linus Torvalds1da177e2005-04-16 15:20:36 -0700324/* 1.3: New ioctl to query kernel params:
325 */
326#define I830_PARAM_IRQ_ACTIVE 1
327
328typedef struct drm_i830_getparam {
329 int param;
330 int __user *value;
331} drm_i830_getparam_t;
332
Linus Torvalds1da177e2005-04-16 15:20:36 -0700333/* 1.3: New ioctl to set kernel params:
334 */
335#define I830_SETPARAM_USE_MI_BATCHBUFFER_START 1
336
337typedef struct drm_i830_setparam {
338 int param;
339 int value;
340} drm_i830_setparam_t;
341
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000342#endif /* _I830_DRM_H_ */