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Diffstat (limited to '')
| -rw-r--r-- | include/uapi/drm/i810_drm.h | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/include/uapi/drm/i810_drm.h b/include/uapi/drm/i810_drm.h new file mode 100644 index 000000000..d285d5e72 --- /dev/null +++ b/include/uapi/drm/i810_drm.h @@ -0,0 +1,292 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _I810_DRM_H_ +#define _I810_DRM_H_ + +#include "drm.h" + +#if defined(__cplusplus) +extern "C" { +#endif + +/* 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 accommodate 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 + +/* Flags for clear ioctl + */ +#define I810_FRONT 0x1 +#define I810_BACK 0x2 +#define I810_DEPTH 0x4 + +typedef enum _drm_i810_init_func { + I810_INIT_DMA = 0x01, + I810_CLEANUP_DMA = 0x02, + I810_INIT_DMA_1_4 = 0x03 +} drm_i810_init_func_t; + +/* This is the init structure after v1.2 */ +typedef struct _drm_i810_init { + drm_i810_init_func_t 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 overlay_offset; + unsigned int overlay_physical; + unsigned int w; + unsigned int h; + unsigned int pitch; + unsigned int pitch_bits; +} drm_i810_init_t; + +/* This is the init structure prior to v1.2 */ +typedef struct _drm_i810_pre12_init { + drm_i810_init_func_t 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; +} drm_i810_pre12_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; + struct drm_clip_rect 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; + + int pf_enabled; /* is pageflipping allowed? */ + int pf_active; + int pf_current_page; /* which buffer is being displayed? */ +} drm_i810_sarea_t; + +/* WARNING: If you change any of these defines, make sure to change the + * defines in the Xserver file (xf86drmMga.h) + */ + +/* i810 specific ioctls + * The device specific ioctl range is 0x40 to 0x79. + */ +#define DRM_I810_INIT 0x00 +#define DRM_I810_VERTEX 0x01 +#define DRM_I810_CLEAR 0x02 +#define DRM_I810_FLUSH 0x03 +#define DRM_I810_GETAGE 0x04 +#define DRM_I810_GETBUF 0x05 +#define DRM_I810_SWAP 0x06 +#define DRM_I810_COPY 0x07 +#define DRM_I810_DOCOPY 0x08 +#define DRM_I810_OV0INFO 0x09 +#define DRM_I810_FSTATUS 0x0a +#define DRM_I810_OV0FLIP 0x0b +#define DRM_I810_MC 0x0c +#define DRM_I810_RSTATUS 0x0d +#define DRM_I810_FLIP 0x0e + +#define DRM_IOCTL_I810_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I810_INIT, drm_i810_init_t) +#define DRM_IOCTL_I810_VERTEX DRM_IOW( DRM_COMMAND_BASE + DRM_I810_VERTEX, drm_i810_vertex_t) +#define DRM_IOCTL_I810_CLEAR DRM_IOW( DRM_COMMAND_BASE + DRM_I810_CLEAR, drm_i810_clear_t) +#define DRM_IOCTL_I810_FLUSH DRM_IO( DRM_COMMAND_BASE + DRM_I810_FLUSH) +#define DRM_IOCTL_I810_GETAGE DRM_IO( DRM_COMMAND_BASE + DRM_I810_GETAGE) +#define DRM_IOCTL_I810_GETBUF DRM_IOWR(DRM_COMMAND_BASE + DRM_I810_GETBUF, drm_i810_dma_t) +#define DRM_IOCTL_I810_SWAP DRM_IO( DRM_COMMAND_BASE + DRM_I810_SWAP) +#define DRM_IOCTL_I810_COPY DRM_IOW( DRM_COMMAND_BASE + DRM_I810_COPY, drm_i810_copy_t) +#define DRM_IOCTL_I810_DOCOPY DRM_IO( DRM_COMMAND_BASE + DRM_I810_DOCOPY) +#define DRM_IOCTL_I810_OV0INFO DRM_IOR( DRM_COMMAND_BASE + DRM_I810_OV0INFO, drm_i810_overlay_t) +#define DRM_IOCTL_I810_FSTATUS DRM_IO ( DRM_COMMAND_BASE + DRM_I810_FSTATUS) +#define DRM_IOCTL_I810_OV0FLIP DRM_IO ( DRM_COMMAND_BASE + DRM_I810_OV0FLIP) +#define DRM_IOCTL_I810_MC DRM_IOW( DRM_COMMAND_BASE + DRM_I810_MC, drm_i810_mc_t) +#define DRM_IOCTL_I810_RSTATUS DRM_IO ( DRM_COMMAND_BASE + DRM_I810_RSTATUS) +#define DRM_IOCTL_I810_FLIP DRM_IO ( DRM_COMMAND_BASE + DRM_I810_FLIP) + +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_copy_t { + int idx; /* buffer index */ + int used; /* nr bytes in use */ + void *address; /* Address to copy from */ +} drm_i810_copy_t; + +#define PR_TRIANGLES (0x0<<18) +#define PR_TRISTRIP_0 (0x1<<18) +#define PR_TRISTRIP_1 (0x2<<18) +#define PR_TRIFAN (0x3<<18) +#define PR_POLYGON (0x4<<18) +#define PR_LINES (0x5<<18) +#define PR_LINESTRIP (0x6<<18) +#define PR_RECTS (0x7<<18) +#define PR_MASK (0x7<<18) + +typedef struct drm_i810_dma { + void *virtual; + int request_idx; + int request_size; + int granted; +} drm_i810_dma_t; + +typedef struct _drm_i810_overlay_t { + unsigned int offset; /* Address of the Overlay Regs */ + unsigned int physical; +} drm_i810_overlay_t; + +typedef struct _drm_i810_mc { + int idx; /* buffer index */ + int used; /* nr bytes in use */ + int num_blocks; /* number of GFXBlocks */ + int *length; /* List of lengths for GFXBlocks (FUTURE) */ + unsigned int last_render; /* Last Render Request */ +} drm_i810_mc_t; + +#if defined(__cplusplus) +} +#endif + +#endif /* _I810_DRM_H_ */ |