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-rw-r--r--bsd/i810_drm.h188
1 files changed, 188 insertions, 0 deletions
diff --git a/bsd/i810_drm.h b/bsd/i810_drm.h
new file mode 100644
index 00000000..4c8e09f6
--- /dev/null
+++ b/bsd/i810_drm.h
@@ -0,0 +1,188 @@
+#ifndef _I810_DRM_H_
+#define _I810_DRM_H_
+
+/* WARNING: These defines must be the same as what the Xserver uses.
+ * if you change them, you must change the defines in the Xserver.
+ */
+
+#ifndef _I810_DEFINES_
+#define _I810_DEFINES_
+
+#define I810_DMA_BUF_ORDER 12
+#define I810_DMA_BUF_SZ (1<<I810_DMA_BUF_ORDER)
+#define I810_DMA_BUF_NR 256
+#define I810_NR_SAREA_CLIPRECTS 8
+
+/* Each region is a minimum of 64k, and there are at most 64 of them.
+ */
+#define I810_NR_TEX_REGIONS 64
+#define I810_LOG_MIN_TEX_REGION_SIZE 16
+#endif
+
+#define I810_UPLOAD_TEX0IMAGE 0x1 /* handled clientside */
+#define I810_UPLOAD_TEX1IMAGE 0x2 /* handled clientside */
+#define I810_UPLOAD_CTX 0x4
+#define I810_UPLOAD_BUFFERS 0x8
+#define I810_UPLOAD_TEX0 0x10
+#define I810_UPLOAD_TEX1 0x20
+#define I810_UPLOAD_CLIPRECTS 0x40
+
+
+/* Indices into buf.Setup where various bits of state are mirrored per
+ * context and per buffer. These can be fired at the card as a unit,
+ * or in a piecewise fashion as required.
+ */
+
+/* Destbuffer state
+ * - backbuffer linear offset and pitch -- invarient in the current dri
+ * - zbuffer linear offset and pitch -- also invarient
+ * - drawing origin in back and depth buffers.
+ *
+ * Keep the depth/back buffer state here to acommodate private buffers
+ * in the future.
+ */
+#define I810_DESTREG_DI0 0 /* CMD_OP_DESTBUFFER_INFO (2 dwords) */
+#define I810_DESTREG_DI1 1
+#define I810_DESTREG_DV0 2 /* GFX_OP_DESTBUFFER_VARS (2 dwords) */
+#define I810_DESTREG_DV1 3
+#define I810_DESTREG_DR0 4 /* GFX_OP_DRAWRECT_INFO (4 dwords) */
+#define I810_DESTREG_DR1 5
+#define I810_DESTREG_DR2 6
+#define I810_DESTREG_DR3 7
+#define I810_DESTREG_DR4 8
+#define I810_DEST_SETUP_SIZE 10
+
+/* Context state
+ */
+#define I810_CTXREG_CF0 0 /* GFX_OP_COLOR_FACTOR */
+#define I810_CTXREG_CF1 1
+#define I810_CTXREG_ST0 2 /* GFX_OP_STIPPLE */
+#define I810_CTXREG_ST1 3
+#define I810_CTXREG_VF 4 /* GFX_OP_VERTEX_FMT */
+#define I810_CTXREG_MT 5 /* GFX_OP_MAP_TEXELS */
+#define I810_CTXREG_MC0 6 /* GFX_OP_MAP_COLOR_STAGES - stage 0 */
+#define I810_CTXREG_MC1 7 /* GFX_OP_MAP_COLOR_STAGES - stage 1 */
+#define I810_CTXREG_MC2 8 /* GFX_OP_MAP_COLOR_STAGES - stage 2 */
+#define I810_CTXREG_MA0 9 /* GFX_OP_MAP_ALPHA_STAGES - stage 0 */
+#define I810_CTXREG_MA1 10 /* GFX_OP_MAP_ALPHA_STAGES - stage 1 */
+#define I810_CTXREG_MA2 11 /* GFX_OP_MAP_ALPHA_STAGES - stage 2 */
+#define I810_CTXREG_SDM 12 /* GFX_OP_SRC_DEST_MONO */
+#define I810_CTXREG_FOG 13 /* GFX_OP_FOG_COLOR */
+#define I810_CTXREG_B1 14 /* GFX_OP_BOOL_1 */
+#define I810_CTXREG_B2 15 /* GFX_OP_BOOL_2 */
+#define I810_CTXREG_LCS 16 /* GFX_OP_LINEWIDTH_CULL_SHADE_MODE */
+#define I810_CTXREG_PV 17 /* GFX_OP_PV_RULE -- Invarient! */
+#define I810_CTXREG_ZA 18 /* GFX_OP_ZBIAS_ALPHAFUNC */
+#define I810_CTXREG_AA 19 /* GFX_OP_ANTIALIAS */
+#define I810_CTX_SETUP_SIZE 20
+
+/* Texture state (per tex unit)
+ */
+#define I810_TEXREG_MI0 0 /* GFX_OP_MAP_INFO (4 dwords) */
+#define I810_TEXREG_MI1 1
+#define I810_TEXREG_MI2 2
+#define I810_TEXREG_MI3 3
+#define I810_TEXREG_MF 4 /* GFX_OP_MAP_FILTER */
+#define I810_TEXREG_MLC 5 /* GFX_OP_MAP_LOD_CTL */
+#define I810_TEXREG_MLL 6 /* GFX_OP_MAP_LOD_LIMITS */
+#define I810_TEXREG_MCS 7 /* GFX_OP_MAP_COORD_SETS ??? */
+#define I810_TEX_SETUP_SIZE 8
+
+#define I810_FRONT 0x1
+#define I810_BACK 0x2
+#define I810_DEPTH 0x4
+
+
+typedef struct _drm_i810_init {
+ enum {
+ I810_INIT_DMA = 0x01,
+ I810_CLEANUP_DMA = 0x02
+ } func;
+ int ring_map_idx;
+ int buffer_map_idx;
+ int sarea_priv_offset;
+ unsigned int ring_start;
+ unsigned int ring_end;
+ unsigned int ring_size;
+ unsigned int front_offset;
+ unsigned int back_offset;
+ unsigned int depth_offset;
+ unsigned int w;
+ unsigned int h;
+ unsigned int pitch;
+ unsigned int pitch_bits;
+} drm_i810_init_t;
+
+/* Warning: If you change the SAREA structure you must change the Xserver
+ * structure as well */
+
+typedef struct _drm_i810_tex_region {
+ unsigned char next, prev; /* indices to form a circular LRU */
+ unsigned char in_use; /* owned by a client, or free? */
+ int age; /* tracked by clients to update local LRU's */
+} drm_i810_tex_region_t;
+
+typedef struct _drm_i810_sarea {
+ unsigned int ContextState[I810_CTX_SETUP_SIZE];
+ unsigned int BufferState[I810_DEST_SETUP_SIZE];
+ unsigned int TexState[2][I810_TEX_SETUP_SIZE];
+ unsigned int dirty;
+
+ unsigned int nbox;
+ drm_clip_rect_t boxes[I810_NR_SAREA_CLIPRECTS];
+
+ /* Maintain an LRU of contiguous regions of texture space. If
+ * you think you own a region of texture memory, and it has an
+ * age different to the one you set, then you are mistaken and
+ * it has been stolen by another client. If global texAge
+ * hasn't changed, there is no need to walk the list.
+ *
+ * These regions can be used as a proxy for the fine-grained
+ * texture information of other clients - by maintaining them
+ * in the same lru which is used to age their own textures,
+ * clients have an approximate lru for the whole of global
+ * texture space, and can make informed decisions as to which
+ * areas to kick out. There is no need to choose whether to
+ * kick out your own texture or someone else's - simply eject
+ * them all in LRU order.
+ */
+
+ drm_i810_tex_region_t texList[I810_NR_TEX_REGIONS+1];
+ /* Last elt is sentinal */
+ int texAge; /* last time texture was uploaded */
+ int last_enqueue; /* last time a buffer was enqueued */
+ int last_dispatch; /* age of the most recently dispatched buffer */
+ int last_quiescent; /* */
+ int ctxOwner; /* last context to upload state */
+
+ int vertex_prim;
+
+} drm_i810_sarea_t;
+
+typedef struct _drm_i810_clear {
+ int clear_color;
+ int clear_depth;
+ int flags;
+} drm_i810_clear_t;
+
+
+
+/* These may be placeholders if we have more cliprects than
+ * I810_NR_SAREA_CLIPRECTS. In that case, the client sets discard to
+ * false, indicating that the buffer will be dispatched again with a
+ * new set of cliprects.
+ */
+typedef struct _drm_i810_vertex {
+ int idx; /* buffer index */
+ int used; /* nr bytes in use */
+ int discard; /* client is finished with the buffer? */
+} drm_i810_vertex_t;
+
+typedef struct drm_i810_dma {
+ void *virtual;
+ int request_idx;
+ int request_size;
+ int granted;
+} drm_i810_dma_t;
+
+#endif /* _I810_DRM_H_ */