patch-2.4.20 linux-2.4.20/drivers/char/drm/i830_drm.h
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- Lines: 239
- Date:
Thu Nov 28 15:53:12 2002
- Orig file:
linux-2.4.19/drivers/char/drm/i830_drm.h
- Orig date:
Wed Dec 31 16:00:00 1969
diff -urN linux-2.4.19/drivers/char/drm/i830_drm.h linux-2.4.20/drivers/char/drm/i830_drm.h
@@ -0,0 +1,238 @@
+#ifndef _I830_DRM_H_
+#define _I830_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 _I830_DEFINES_
+#define _I830_DEFINES_
+
+#define I830_DMA_BUF_ORDER 12
+#define I830_DMA_BUF_SZ (1<<I830_DMA_BUF_ORDER)
+#define I830_DMA_BUF_NR 256
+#define I830_NR_SAREA_CLIPRECTS 8
+
+/* Each region is a minimum of 64k, and there are at most 64 of them.
+ */
+#define I830_NR_TEX_REGIONS 64
+#define I830_LOG_MIN_TEX_REGION_SIZE 16
+
+/* if defining I830_ENABLE_4_TEXTURES, do it in i830_3d_reg.h, too */
+#if !defined(I830_ENABLE_4_TEXTURES)
+#define I830_TEXTURE_COUNT 2
+#define I830_TEXBLEND_COUNT 2 /* always same as TEXTURE_COUNT? */
+#else /* defined(I830_ENABLE_4_TEXTURES) */
+#define I830_TEXTURE_COUNT 4
+#define I830_TEXBLEND_COUNT 4 /* always same as TEXTURE_COUNT? */
+#endif /* I830_ENABLE_4_TEXTURES */
+
+#define I830_TEXBLEND_SIZE 12 /* (4 args + op) * 2 + COLOR_FACTOR */
+
+#define I830_UPLOAD_CTX 0x1
+#define I830_UPLOAD_BUFFERS 0x2
+#define I830_UPLOAD_CLIPRECTS 0x4
+#define I830_UPLOAD_TEX0_IMAGE 0x100 /* handled clientside */
+#define I830_UPLOAD_TEX0_CUBE 0x200 /* handled clientside */
+#define I830_UPLOAD_TEX1_IMAGE 0x400 /* handled clientside */
+#define I830_UPLOAD_TEX1_CUBE 0x800 /* handled clientside */
+#define I830_UPLOAD_TEX2_IMAGE 0x1000 /* handled clientside */
+#define I830_UPLOAD_TEX2_CUBE 0x2000 /* handled clientside */
+#define I830_UPLOAD_TEX3_IMAGE 0x4000 /* handled clientside */
+#define I830_UPLOAD_TEX3_CUBE 0x8000 /* handled clientside */
+#define I830_UPLOAD_TEX_N_IMAGE(n) (0x100 << (n * 2))
+#define I830_UPLOAD_TEX_N_CUBE(n) (0x200 << (n * 2))
+#define I830_UPLOAD_TEXIMAGE_MASK 0xff00
+#define I830_UPLOAD_TEX0 0x10000
+#define I830_UPLOAD_TEX1 0x20000
+#define I830_UPLOAD_TEX2 0x40000
+#define I830_UPLOAD_TEX3 0x80000
+#define I830_UPLOAD_TEX_N(n) (0x10000 << (n))
+#define I830_UPLOAD_TEX_MASK 0xf0000
+#define I830_UPLOAD_TEXBLEND0 0x100000
+#define I830_UPLOAD_TEXBLEND1 0x200000
+#define I830_UPLOAD_TEXBLEND2 0x400000
+#define I830_UPLOAD_TEXBLEND3 0x800000
+#define I830_UPLOAD_TEXBLEND_N(n) (0x100000 << (n))
+#define I830_UPLOAD_TEXBLEND_MASK 0xf00000
+#define I830_UPLOAD_TEX_PALETTE_N(n) (0x1000000 << (n))
+#define I830_UPLOAD_TEX_PALETTE_SHARED 0x4000000
+
+/* 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 I830_DESTREG_CBUFADDR 0
+/* Invarient */
+#define I830_DESTREG_DBUFADDR 1
+#define I830_DESTREG_DV0 2
+#define I830_DESTREG_DV1 3
+#define I830_DESTREG_SENABLE 4
+#define I830_DESTREG_SR0 5
+#define I830_DESTREG_SR1 6
+#define I830_DESTREG_SR2 7
+#define I830_DESTREG_DR0 8
+#define I830_DESTREG_DR1 9
+#define I830_DESTREG_DR2 10
+#define I830_DESTREG_DR3 11
+#define I830_DESTREG_DR4 12
+#define I830_DEST_SETUP_SIZE 13
+
+/* Context state
+ */
+#define I830_CTXREG_STATE1 0
+#define I830_CTXREG_STATE2 1
+#define I830_CTXREG_STATE3 2
+#define I830_CTXREG_STATE4 3
+#define I830_CTXREG_STATE5 4
+#define I830_CTXREG_IALPHAB 5
+#define I830_CTXREG_STENCILTST 6
+#define I830_CTXREG_ENABLES_1 7
+#define I830_CTXREG_ENABLES_2 8
+#define I830_CTXREG_AA 9
+#define I830_CTXREG_FOGCOLOR 10
+#define I830_CTXREG_BLENDCOLR0 11
+#define I830_CTXREG_BLENDCOLR 12 /* Dword 1 of 2 dword command */
+#define I830_CTXREG_VF 13
+#define I830_CTXREG_VF2 14
+#define I830_CTXREG_MCSB0 15
+#define I830_CTXREG_MCSB1 16
+#define I830_CTX_SETUP_SIZE 17
+
+/* Texture state (per tex unit)
+ */
+
+#define I830_TEXREG_MI0 0 /* GFX_OP_MAP_INFO (6 dwords) */
+#define I830_TEXREG_MI1 1
+#define I830_TEXREG_MI2 2
+#define I830_TEXREG_MI3 3
+#define I830_TEXREG_MI4 4
+#define I830_TEXREG_MI5 5
+#define I830_TEXREG_MF 6 /* GFX_OP_MAP_FILTER */
+#define I830_TEXREG_MLC 7 /* GFX_OP_MAP_LOD_CTL */
+#define I830_TEXREG_MLL 8 /* GFX_OP_MAP_LOD_LIMITS */
+#define I830_TEXREG_MCS 9 /* GFX_OP_MAP_COORD_SETS */
+#define I830_TEX_SETUP_SIZE 10
+
+#define I830_FRONT 0x1
+#define I830_BACK 0x2
+#define I830_DEPTH 0x4
+
+#endif /* _I830_DEFINES_ */
+
+typedef struct _drm_i830_init {
+ enum {
+ I830_INIT_DMA = 0x01,
+ I830_CLEANUP_DMA = 0x02
+ } func;
+ unsigned int mmio_offset;
+ unsigned int buffers_offset;
+ 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;
+ unsigned int back_pitch;
+ unsigned int depth_pitch;
+ unsigned int cpp;
+} drm_i830_init_t;
+
+/* Warning: If you change the SAREA structure you must change the Xserver
+ * structure as well */
+
+typedef struct _drm_i830_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_i830_tex_region_t;
+
+typedef struct _drm_i830_sarea {
+ unsigned int ContextState[I830_CTX_SETUP_SIZE];
+ unsigned int BufferState[I830_DEST_SETUP_SIZE];
+ unsigned int TexState[I830_TEXTURE_COUNT][I830_TEX_SETUP_SIZE];
+ unsigned int TexBlendState[I830_TEXBLEND_COUNT][I830_TEXBLEND_SIZE];
+ unsigned int TexBlendStateWordsUsed[I830_TEXBLEND_COUNT];
+ unsigned int Palette[2][256];
+ unsigned int dirty;
+
+ unsigned int nbox;
+ drm_clip_rect_t boxes[I830_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_i830_tex_region_t texList[I830_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_i830_sarea_t;
+
+typedef struct _drm_i830_clear {
+ int clear_color;
+ int clear_depth;
+ int flags;
+ unsigned int clear_colormask;
+ unsigned int clear_depthmask;
+} drm_i830_clear_t;
+
+
+
+/* These may be placeholders if we have more cliprects than
+ * I830_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_i830_vertex {
+ int idx; /* buffer index */
+ int used; /* nr bytes in use */
+ int discard; /* client is finished with the buffer? */
+} drm_i830_vertex_t;
+
+typedef struct _drm_i830_copy_t {
+ int idx; /* buffer index */
+ int used; /* nr bytes in use */
+ void *address; /* Address to copy from */
+} drm_i830_copy_t;
+
+typedef struct drm_i830_dma {
+ void *virtual;
+ int request_idx;
+ int request_size;
+ int granted;
+} drm_i830_dma_t;
+
+#endif /* _I830_DRM_H_ */
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