1#ifndef _I810_DRM_H_
2#define _I810_DRM_H_
3
4#include <drm/drm.h>
5
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
24#define I810_UPLOAD_TEX0IMAGE  0x1	/* handled clientside */
25#define I810_UPLOAD_TEX1IMAGE  0x2	/* handled clientside */
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
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
37/* Destbuffer state
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 */
59#define I810_CTXREG_CF1   1
60#define I810_CTXREG_ST0   2	/* GFX_OP_STIPPLE */
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 */
65#define I810_CTXREG_MC1   7	/* GFX_OP_MAP_COLOR_STAGES - stage 1 */
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 */
78#define I810_CTX_SETUP_SIZE 20
79
80/* Texture state (per tex unit)
81 */
82#define I810_TEXREG_MI0  0	/* GFX_OP_MAP_INFO (4 dwords) */
83#define I810_TEXREG_MI1  1
84#define I810_TEXREG_MI2  2
85#define I810_TEXREG_MI3  3
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
102} drm_i810_init_func_t;
103
104/* This is the init structure after v1.2 */
105typedef struct _drm_i810_init {
106	drm_i810_init_func_t func;
107	unsigned int mmio_offset;
108	unsigned int buffers_offset;
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;
121	unsigned int pitch_bits;
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;
139	unsigned int pitch_bits;
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 {
146	unsigned char next, prev;	/* indices to form a circular LRU  */
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 {
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;
156
157	unsigned int nbox;
158	struct drm_clip_rect boxes[I810_NR_SAREA_CLIPRECTS];
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
173	 * them all in LRU order.
174	 */
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 */
180	int last_dispatch;	/* age of the most recently dispatched buffer */
181	int last_quiescent;	/*  */
182	int ctxOwner;		/* last context to upload state */
183
184	int vertex_prim;
185
186	int pf_enabled;		/* is pageflipping allowed? */
187	int pf_active;
188	int pf_current_page;	/* which buffer is being displayed? */
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 {
242	int idx;		/* buffer index */
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 {
248	int idx;		/* buffer index */
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
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 {
271	unsigned int offset;	/* Address of the Overlay Regs */
272	unsigned int physical;
273} drm_i810_overlay_t;
274
275typedef struct _drm_i810_mc {
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 */
281} drm_i810_mc_t;
282
283#endif				/* _I810_DRM_H_ */
284