/* 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_ */

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