1#ifndef _I810_DRM_H_
2#define _I810_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
8#ifndef _I810_DEFINES_
9#define _I810_DEFINES_
10
11#define I810_DMA_BUF_ORDER		12
12#define I810_DMA_BUF_SZ 		(1<<I810_DMA_BUF_ORDER)
13#define I810_DMA_BUF_NR 		256
14#define I810_NR_SAREA_CLIPRECTS 	8
15
16/* Each region is a minimum of 64k, and there are at most 64 of them.
17 */
18#define I810_NR_TEX_REGIONS 64
19#define I810_LOG_MIN_TEX_REGION_SIZE 16
20#endif
21
22#define I810_UPLOAD_TEX0IMAGE  0x1	/* handled clientside */
23#define I810_UPLOAD_TEX1IMAGE  0x2	/* handled clientside */
24#define I810_UPLOAD_CTX        0x4
25#define I810_UPLOAD_BUFFERS    0x8
26#define I810_UPLOAD_TEX0       0x10
27#define I810_UPLOAD_TEX1       0x20
28#define I810_UPLOAD_CLIPRECTS  0x40
29
30/* Indices into buf.Setup where various bits of state are mirrored per
31 * context and per buffer.  These can be fired at the card as a unit,
32 * or in a piecewise fashion as required.
33 */
34
35/* Destbuffer state
36 *    - backbuffer linear offset and pitch -- invarient in the current dri
37 *    - zbuffer linear offset and pitch -- also invarient
38 *    - drawing origin in back and depth buffers.
39 *
40 * Keep the depth/back buffer state here to accommodate private buffers
41 * in the future.
42 */
43#define I810_DESTREG_DI0  0	/* CMD_OP_DESTBUFFER_INFO (2 dwords) */
44#define I810_DESTREG_DI1  1
45#define I810_DESTREG_DV0  2	/* GFX_OP_DESTBUFFER_VARS (2 dwords) */
46#define I810_DESTREG_DV1  3
47#define I810_DESTREG_DR0  4	/* GFX_OP_DRAWRECT_INFO (4 dwords) */
48#define I810_DESTREG_DR1  5
49#define I810_DESTREG_DR2  6
50#define I810_DESTREG_DR3  7
51#define I810_DESTREG_DR4  8
52#define I810_DEST_SETUP_SIZE 10
53
54/* Context state
55 */
56#define I810_CTXREG_CF0   0	/* GFX_OP_COLOR_FACTOR */
57#define I810_CTXREG_CF1   1
58#define I810_CTXREG_ST0   2	/* GFX_OP_STIPPLE */
59#define I810_CTXREG_ST1   3
60#define I810_CTXREG_VF    4	/* GFX_OP_VERTEX_FMT */
61#define I810_CTXREG_MT    5	/* GFX_OP_MAP_TEXELS */
62#define I810_CTXREG_MC0   6	/* GFX_OP_MAP_COLOR_STAGES - stage 0 */
63#define I810_CTXREG_MC1   7	/* GFX_OP_MAP_COLOR_STAGES - stage 1 */
64#define I810_CTXREG_MC2   8	/* GFX_OP_MAP_COLOR_STAGES - stage 2 */
65#define I810_CTXREG_MA0   9	/* GFX_OP_MAP_ALPHA_STAGES - stage 0 */
66#define I810_CTXREG_MA1   10	/* GFX_OP_MAP_ALPHA_STAGES - stage 1 */
67#define I810_CTXREG_MA2   11	/* GFX_OP_MAP_ALPHA_STAGES - stage 2 */
68#define I810_CTXREG_SDM   12	/* GFX_OP_SRC_DEST_MONO */
69#define I810_CTXREG_FOG   13	/* GFX_OP_FOG_COLOR */
70#define I810_CTXREG_B1    14	/* GFX_OP_BOOL_1 */
71#define I810_CTXREG_B2    15	/* GFX_OP_BOOL_2 */
72#define I810_CTXREG_LCS   16	/* GFX_OP_LINEWIDTH_CULL_SHADE_MODE */
73#define I810_CTXREG_PV    17	/* GFX_OP_PV_RULE -- Invarient! */
74#define I810_CTXREG_ZA    18	/* GFX_OP_ZBIAS_ALPHAFUNC */
75#define I810_CTXREG_AA    19	/* GFX_OP_ANTIALIAS */
76#define I810_CTX_SETUP_SIZE 20
77
78/* Texture state (per tex unit)
79 */
80#define I810_TEXREG_MI0  0	/* GFX_OP_MAP_INFO (4 dwords) */
81#define I810_TEXREG_MI1  1
82#define I810_TEXREG_MI2  2
83#define I810_TEXREG_MI3  3
84#define I810_TEXREG_MF   4	/* GFX_OP_MAP_FILTER */
85#define I810_TEXREG_MLC  5	/* GFX_OP_MAP_LOD_CTL */
86#define I810_TEXREG_MLL  6	/* GFX_OP_MAP_LOD_LIMITS */
87#define I810_TEXREG_MCS  7	/* GFX_OP_MAP_COORD_SETS ??? */
88#define I810_TEX_SETUP_SIZE 8
89
90/* Flags for clear ioctl
91 */
92#define I810_FRONT   0x1
93#define I810_BACK    0x2
94#define I810_DEPTH   0x4
95
96typedef enum _drm_i810_init_func {
97	I810_INIT_DMA = 0x01,
98	I810_CLEANUP_DMA = 0x02,
99	I810_INIT_DMA_1_4 = 0x03
100} drm_i810_init_func_t;
101
102/* This is the init structure after v1.2 */
103typedef struct _drm_i810_init {
104	drm_i810_init_func_t func;
105#if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0)
106	int ring_map_idx;
107	int buffer_map_idx;
108#else
109	unsigned int mmio_offset;
110	unsigned int buffers_offset;
111#endif
112	int sarea_priv_offset;
113	unsigned int ring_start;
114	unsigned int ring_end;
115	unsigned int ring_size;
116	unsigned int front_offset;
117	unsigned int back_offset;
118	unsigned int depth_offset;
119	unsigned int overlay_offset;
120	unsigned int overlay_physical;
121	unsigned int w;
122	unsigned int h;
123	unsigned int pitch;
124	unsigned int pitch_bits;
125} drm_i810_init_t;
126
127/* This is the init structure prior to v1.2 */
128typedef struct _drm_i810_pre12_init {
129	drm_i810_init_func_t func;
130	unsigned int mmio_offset;
131	unsigned int buffers_offset;
132	int sarea_priv_offset;
133	unsigned int ring_start;
134	unsigned int ring_end;
135	unsigned int ring_size;
136	unsigned int front_offset;
137	unsigned int back_offset;
138	unsigned int depth_offset;
139	unsigned int w;
140	unsigned int h;
141	unsigned int pitch;
142	unsigned int pitch_bits;
143} drm_i810_pre12_init_t;
144
145/* Warning: If you change the SAREA structure you must change the Xserver
146 * structure as well */
147
148typedef struct _drm_i810_tex_region {
149	unsigned char next, prev;	/* indices to form a circular LRU  */
150	unsigned char in_use;	/* owned by a client, or free? */
151	int age;		/* tracked by clients to update local LRU's */
152} drm_i810_tex_region_t;
153
154typedef struct _drm_i810_sarea {
155	unsigned int ContextState[I810_CTX_SETUP_SIZE];
156	unsigned int BufferState[I810_DEST_SETUP_SIZE];
157	unsigned int TexState[2][I810_TEX_SETUP_SIZE];
158	unsigned int dirty;
159
160	unsigned int nbox;
161	drm_clip_rect_t boxes[I810_NR_SAREA_CLIPRECTS];
162
163	/* Maintain an LRU of contiguous regions of texture space.  If
164	 * you think you own a region of texture memory, and it has an
165	 * age different to the one you set, then you are mistaken and
166	 * it has been stolen by another client.  If global texAge
167	 * hasn't changed, there is no need to walk the list.
168	 *
169	 * These regions can be used as a proxy for the fine-grained
170	 * texture information of other clients - by maintaining them
171	 * in the same lru which is used to age their own textures,
172	 * clients have an approximate lru for the whole of global
173	 * texture space, and can make informed decisions as to which
174	 * areas to kick out.  There is no need to choose whether to
175	 * kick out your own texture or someone else's - simply eject
176	 * them all in LRU order.
177	 */
178
179	drm_i810_tex_region_t texList[I810_NR_TEX_REGIONS + 1];
180	/* Last elt is sentinal */
181	int texAge;		/* last time texture was uploaded */
182	int last_enqueue;	/* last time a buffer was enqueued */
183	int last_dispatch;	/* age of the most recently dispatched buffer */
184	int last_quiescent;	/*  */
185	int ctxOwner;		/* last context to upload state */
186
187	int vertex_prim;
188
189	int pf_enabled;		/* is pageflipping allowed? */
190	int pf_active;
191	int pf_current_page;	/* which buffer is being displayed? */
192} drm_i810_sarea_t;
193
194/* WARNING: If you change any of these defines, make sure to change the
195 * defines in the Xserver file (xf86drmMga.h)
196 */
197
198/* i810 specific ioctls
199 * The device specific ioctl range is 0x40 to 0x79.
200 */
201#define DRM_I810_INIT		0x00
202#define DRM_I810_VERTEX		0x01
203#define DRM_I810_CLEAR		0x02
204#define DRM_I810_FLUSH		0x03
205#define DRM_I810_GETAGE		0x04
206#define DRM_I810_GETBUF		0x05
207#define DRM_I810_SWAP		0x06
208#define DRM_I810_COPY		0x07
209#define DRM_I810_DOCOPY		0x08
210#define DRM_I810_OV0INFO	0x09
211#define DRM_I810_FSTATUS	0x0a
212#define DRM_I810_OV0FLIP	0x0b
213#define DRM_I810_MC		0x0c
214#define DRM_I810_RSTATUS	0x0d
215#define DRM_I810_FLIP		0x0e
216
217#define DRM_IOCTL_I810_INIT		DRM_IOW( DRM_COMMAND_BASE + DRM_I810_INIT, drm_i810_init_t)
218#define DRM_IOCTL_I810_VERTEX		DRM_IOW( DRM_COMMAND_BASE + DRM_I810_VERTEX, drm_i810_vertex_t)
219#define DRM_IOCTL_I810_CLEAR		DRM_IOW( DRM_COMMAND_BASE + DRM_I810_CLEAR, drm_i810_clear_t)
220#define DRM_IOCTL_I810_FLUSH		DRM_IO(  DRM_COMMAND_BASE + DRM_I810_FLUSH)
221#define DRM_IOCTL_I810_GETAGE		DRM_IO(  DRM_COMMAND_BASE + DRM_I810_GETAGE)
222#define DRM_IOCTL_I810_GETBUF		DRM_IOWR(DRM_COMMAND_BASE + DRM_I810_GETBUF, drm_i810_dma_t)
223#define DRM_IOCTL_I810_SWAP		DRM_IO(  DRM_COMMAND_BASE + DRM_I810_SWAP)
224#define DRM_IOCTL_I810_COPY		DRM_IOW( DRM_COMMAND_BASE + DRM_I810_COPY, drm_i810_copy_t)
225#define DRM_IOCTL_I810_DOCOPY		DRM_IO(  DRM_COMMAND_BASE + DRM_I810_DOCOPY)
226#define DRM_IOCTL_I810_OV0INFO		DRM_IOR( DRM_COMMAND_BASE + DRM_I810_OV0INFO, drm_i810_overlay_t)
227#define DRM_IOCTL_I810_FSTATUS		DRM_IO ( DRM_COMMAND_BASE + DRM_I810_FSTATUS)
228#define DRM_IOCTL_I810_OV0FLIP		DRM_IO ( DRM_COMMAND_BASE + DRM_I810_OV0FLIP)
229#define DRM_IOCTL_I810_MC		DRM_IOW( DRM_COMMAND_BASE + DRM_I810_MC, drm_i810_mc_t)
230#define DRM_IOCTL_I810_RSTATUS		DRM_IO ( DRM_COMMAND_BASE + DRM_I810_RSTATUS)
231#define DRM_IOCTL_I810_FLIP             DRM_IO ( DRM_COMMAND_BASE + DRM_I810_FLIP)
232
233typedef struct _drm_i810_clear {
234	int clear_color;
235	int clear_depth;
236	int flags;
237} drm_i810_clear_t;
238
239/* These may be placeholders if we have more cliprects than
240 * I810_NR_SAREA_CLIPRECTS.  In that case, the client sets discard to
241 * false, indicating that the buffer will be dispatched again with a
242 * new set of cliprects.
243 */
244typedef struct _drm_i810_vertex {
245	int idx;		/* buffer index */
246	int used;		/* nr bytes in use */
247	int discard;		/* client is finished with the buffer? */
248} drm_i810_vertex_t;
249
250typedef struct _drm_i810_copy_t {
251	int idx;		/* buffer index */
252	int used;		/* nr bytes in use */
253	void *address;		/* Address to copy from */
254} drm_i810_copy_t;
255
256#define PR_TRIANGLES         (0x0<<18)
257#define PR_TRISTRIP_0        (0x1<<18)
258#define PR_TRISTRIP_1        (0x2<<18)
259#define PR_TRIFAN            (0x3<<18)
260#define PR_POLYGON           (0x4<<18)
261#define PR_LINES             (0x5<<18)
262#define PR_LINESTRIP         (0x6<<18)
263#define PR_RECTS             (0x7<<18)
264#define PR_MASK              (0x7<<18)
265
266typedef struct drm_i810_dma {
267	void *virtual;
268	int request_idx;
269	int request_size;
270	int granted;
271} drm_i810_dma_t;
272
273typedef struct _drm_i810_overlay_t {
274	unsigned int offset;	/* Address of the Overlay Regs */
275	unsigned int physical;
276} drm_i810_overlay_t;
277
278typedef struct _drm_i810_mc {
279	int idx;		/* buffer index */
280	int used;		/* nr bytes in use */
281	int num_blocks;		/* number of GFXBlocks */
282	int *length;		/* List of lengths for GFXBlocks (FUTURE) */
283	unsigned int last_render;	/* Last Render Request */
284} drm_i810_mc_t;
285
286#endif				/* _I810_DRM_H_ */
287