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 
96 typedef 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 */
103 typedef struct _drm_i810_init {
104 	drm_i810_init_func_t func;
105 	unsigned int mmio_offset;
106 	unsigned int buffers_offset;
107 	int sarea_priv_offset;
108 	unsigned int ring_start;
109 	unsigned int ring_end;
110 	unsigned int ring_size;
111 	unsigned int front_offset;
112 	unsigned int back_offset;
113 	unsigned int depth_offset;
114 	unsigned int overlay_offset;
115 	unsigned int overlay_physical;
116 	unsigned int w;
117 	unsigned int h;
118 	unsigned int pitch;
119 	unsigned int pitch_bits;
120 } drm_i810_init_t;
121 
122 /* This is the init structure prior to v1.2 */
123 typedef struct _drm_i810_pre12_init {
124 	drm_i810_init_func_t func;
125 	unsigned int mmio_offset;
126 	unsigned int buffers_offset;
127 	int sarea_priv_offset;
128 	unsigned int ring_start;
129 	unsigned int ring_end;
130 	unsigned int ring_size;
131 	unsigned int front_offset;
132 	unsigned int back_offset;
133 	unsigned int depth_offset;
134 	unsigned int w;
135 	unsigned int h;
136 	unsigned int pitch;
137 	unsigned int pitch_bits;
138 } drm_i810_pre12_init_t;
139 
140 /* Warning: If you change the SAREA structure you must change the Xserver
141  * structure as well */
142 
143 typedef struct _drm_i810_tex_region {
144 	unsigned char next, prev;	/* indices to form a circular LRU  */
145 	unsigned char in_use;	/* owned by a client, or free? */
146 	int age;		/* tracked by clients to update local LRU's */
147 } drm_i810_tex_region_t;
148 
149 typedef struct _drm_i810_sarea {
150 	unsigned int ContextState[I810_CTX_SETUP_SIZE];
151 	unsigned int BufferState[I810_DEST_SETUP_SIZE];
152 	unsigned int TexState[2][I810_TEX_SETUP_SIZE];
153 	unsigned int dirty;
154 
155 	unsigned int nbox;
156 	struct drm_clip_rect boxes[I810_NR_SAREA_CLIPRECTS];
157 
158 	/* Maintain an LRU of contiguous regions of texture space.  If
159 	 * you think you own a region of texture memory, and it has an
160 	 * age different to the one you set, then you are mistaken and
161 	 * it has been stolen by another client.  If global texAge
162 	 * hasn't changed, there is no need to walk the list.
163 	 *
164 	 * These regions can be used as a proxy for the fine-grained
165 	 * texture information of other clients - by maintaining them
166 	 * in the same lru which is used to age their own textures,
167 	 * clients have an approximate lru for the whole of global
168 	 * texture space, and can make informed decisions as to which
169 	 * areas to kick out.  There is no need to choose whether to
170 	 * kick out your own texture or someone else's - simply eject
171 	 * them all in LRU order.
172 	 */
173 
174 	drm_i810_tex_region_t texList[I810_NR_TEX_REGIONS + 1];
175 	/* Last elt is sentinal */
176 	int texAge;		/* last time texture was uploaded */
177 	int last_enqueue;	/* last time a buffer was enqueued */
178 	int last_dispatch;	/* age of the most recently dispatched buffer */
179 	int last_quiescent;	/*  */
180 	int ctxOwner;		/* last context to upload state */
181 
182 	int vertex_prim;
183 
184 	int pf_enabled;		/* is pageflipping allowed? */
185 	int pf_active;
186 	int pf_current_page;	/* which buffer is being displayed? */
187 } drm_i810_sarea_t;
188 
189 /* WARNING: If you change any of these defines, make sure to change the
190  * defines in the Xserver file (xf86drmMga.h)
191  */
192 
193 /* i810 specific ioctls
194  * The device specific ioctl range is 0x40 to 0x79.
195  */
196 #define DRM_I810_INIT		0x00
197 #define DRM_I810_VERTEX		0x01
198 #define DRM_I810_CLEAR		0x02
199 #define DRM_I810_FLUSH		0x03
200 #define DRM_I810_GETAGE		0x04
201 #define DRM_I810_GETBUF		0x05
202 #define DRM_I810_SWAP		0x06
203 #define DRM_I810_COPY		0x07
204 #define DRM_I810_DOCOPY		0x08
205 #define DRM_I810_OV0INFO	0x09
206 #define DRM_I810_FSTATUS	0x0a
207 #define DRM_I810_OV0FLIP	0x0b
208 #define DRM_I810_MC		0x0c
209 #define DRM_I810_RSTATUS	0x0d
210 #define DRM_I810_FLIP		0x0e
211 
212 #define DRM_IOCTL_I810_INIT		DRM_IOW( DRM_COMMAND_BASE + DRM_I810_INIT, drm_i810_init_t)
213 #define DRM_IOCTL_I810_VERTEX		DRM_IOW( DRM_COMMAND_BASE + DRM_I810_VERTEX, drm_i810_vertex_t)
214 #define DRM_IOCTL_I810_CLEAR		DRM_IOW( DRM_COMMAND_BASE + DRM_I810_CLEAR, drm_i810_clear_t)
215 #define DRM_IOCTL_I810_FLUSH		DRM_IO(  DRM_COMMAND_BASE + DRM_I810_FLUSH)
216 #define DRM_IOCTL_I810_GETAGE		DRM_IO(  DRM_COMMAND_BASE + DRM_I810_GETAGE)
217 #define DRM_IOCTL_I810_GETBUF		DRM_IOWR(DRM_COMMAND_BASE + DRM_I810_GETBUF, drm_i810_dma_t)
218 #define DRM_IOCTL_I810_SWAP		DRM_IO(  DRM_COMMAND_BASE + DRM_I810_SWAP)
219 #define DRM_IOCTL_I810_COPY		DRM_IOW( DRM_COMMAND_BASE + DRM_I810_COPY, drm_i810_copy_t)
220 #define DRM_IOCTL_I810_DOCOPY		DRM_IO(  DRM_COMMAND_BASE + DRM_I810_DOCOPY)
221 #define DRM_IOCTL_I810_OV0INFO		DRM_IOR( DRM_COMMAND_BASE + DRM_I810_OV0INFO, drm_i810_overlay_t)
222 #define DRM_IOCTL_I810_FSTATUS		DRM_IO ( DRM_COMMAND_BASE + DRM_I810_FSTATUS)
223 #define DRM_IOCTL_I810_OV0FLIP		DRM_IO ( DRM_COMMAND_BASE + DRM_I810_OV0FLIP)
224 #define DRM_IOCTL_I810_MC		DRM_IOW( DRM_COMMAND_BASE + DRM_I810_MC, drm_i810_mc_t)
225 #define DRM_IOCTL_I810_RSTATUS		DRM_IO ( DRM_COMMAND_BASE + DRM_I810_RSTATUS)
226 #define DRM_IOCTL_I810_FLIP             DRM_IO ( DRM_COMMAND_BASE + DRM_I810_FLIP)
227 
228 typedef struct _drm_i810_clear {
229 	int clear_color;
230 	int clear_depth;
231 	int flags;
232 } drm_i810_clear_t;
233 
234 /* These may be placeholders if we have more cliprects than
235  * I810_NR_SAREA_CLIPRECTS.  In that case, the client sets discard to
236  * false, indicating that the buffer will be dispatched again with a
237  * new set of cliprects.
238  */
239 typedef struct _drm_i810_vertex {
240 	int idx;		/* buffer index */
241 	int used;		/* nr bytes in use */
242 	int discard;		/* client is finished with the buffer? */
243 } drm_i810_vertex_t;
244 
245 typedef struct _drm_i810_copy_t {
246 	int idx;		/* buffer index */
247 	int used;		/* nr bytes in use */
248 	void *address;		/* Address to copy from */
249 } drm_i810_copy_t;
250 
251 #define PR_TRIANGLES         (0x0<<18)
252 #define PR_TRISTRIP_0        (0x1<<18)
253 #define PR_TRISTRIP_1        (0x2<<18)
254 #define PR_TRIFAN            (0x3<<18)
255 #define PR_POLYGON           (0x4<<18)
256 #define PR_LINES             (0x5<<18)
257 #define PR_LINESTRIP         (0x6<<18)
258 #define PR_RECTS             (0x7<<18)
259 #define PR_MASK              (0x7<<18)
260 
261 typedef struct drm_i810_dma {
262 	void *virtual;
263 	int request_idx;
264 	int request_size;
265 	int granted;
266 } drm_i810_dma_t;
267 
268 typedef struct _drm_i810_overlay_t {
269 	unsigned int offset;	/* Address of the Overlay Regs */
270 	unsigned int physical;
271 } drm_i810_overlay_t;
272 
273 typedef struct _drm_i810_mc {
274 	int idx;		/* buffer index */
275 	int used;		/* nr bytes in use */
276 	int num_blocks;		/* number of GFXBlocks */
277 	int *length;		/* List of lengths for GFXBlocks (FUTURE) */
278 	unsigned int last_render;	/* Last Render Request */
279 } drm_i810_mc_t;
280 
281 #endif				/* _I810_DRM_H_ */
282