diff options
Diffstat (limited to 'drivers/char/drm/i830_drm.h')
| -rw-r--r-- | drivers/char/drm/i830_drm.h | 350 |
1 files changed, 350 insertions, 0 deletions
diff --git a/drivers/char/drm/i830_drm.h b/drivers/char/drm/i830_drm.h new file mode 100644 index 000000000000..03382c0beee3 --- /dev/null +++ b/drivers/char/drm/i830_drm.h @@ -0,0 +1,350 @@ +#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. + * + * KW: Actually, you can't ever change them because doing so would + * break backwards compatibility. + */ + +#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 + +/* KW: These aren't correct but someone set them to two and then + * released the module. Now we can't change them as doing so would + * break backwards compatibility. + */ +#define I830_TEXTURE_COUNT 2 +#define I830_TEXBLEND_COUNT I830_TEXTURE_COUNT + +#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 +#define I830_UPLOAD_STIPPLE 0x8000000 + +/* 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 I830_DESTREG_CBUFADDR 0 +#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 + +/* 1.3: Stipple state + */ +#define I830_STPREG_ST0 0 +#define I830_STPREG_ST1 1 +#define I830_STP_SETUP_SIZE 2 + + +/* 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_TEXREG_TM0LI 0 /* load immediate 2 texture map n */ +#define I830_TEXREG_TM0S0 1 +#define I830_TEXREG_TM0S1 2 +#define I830_TEXREG_TM0S2 3 +#define I830_TEXREG_TM0S3 4 +#define I830_TEXREG_TM0S4 5 +#define I830_TEXREG_NOP0 6 /* noop */ +#define I830_TEXREG_NOP1 7 /* noop */ +#define I830_TEXREG_NOP2 8 /* noop */ +#define __I830_TEXREG_MCS 9 /* GFX_OP_MAP_COORD_SETS -- shared */ +#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; + + int pf_enabled; /* is pageflipping allowed? */ + int pf_active; + int pf_current_page; /* which buffer is being displayed? */ + + int perf_boxes; /* performance boxes to be displayed */ + + /* Here's the state for texunits 2,3: + */ + unsigned int TexState2[I830_TEX_SETUP_SIZE]; + unsigned int TexBlendState2[I830_TEXBLEND_SIZE]; + unsigned int TexBlendStateWordsUsed2; + + unsigned int TexState3[I830_TEX_SETUP_SIZE]; + unsigned int TexBlendState3[I830_TEXBLEND_SIZE]; + unsigned int TexBlendStateWordsUsed3; + + unsigned int StippleState[I830_STP_SETUP_SIZE]; +} drm_i830_sarea_t; + +/* Flags for perf_boxes + */ +#define I830_BOX_RING_EMPTY 0x1 /* populated by kernel */ +#define I830_BOX_FLIP 0x2 /* populated by kernel */ +#define I830_BOX_WAIT 0x4 /* populated by kernel & client */ +#define I830_BOX_TEXTURE_LOAD 0x8 /* populated by kernel */ +#define I830_BOX_LOST_CONTEXT 0x10 /* populated by client */ + + +/* I830 specific ioctls + * The device specific ioctl range is 0x40 to 0x79. + */ +#define DRM_I830_INIT 0x00 +#define DRM_I830_VERTEX 0x01 +#define DRM_I830_CLEAR 0x02 +#define DRM_I830_FLUSH 0x03 +#define DRM_I830_GETAGE 0x04 +#define DRM_I830_GETBUF 0x05 +#define DRM_I830_SWAP 0x06 +#define DRM_I830_COPY 0x07 +#define DRM_I830_DOCOPY 0x08 +#define DRM_I830_FLIP 0x09 +#define DRM_I830_IRQ_EMIT 0x0a +#define DRM_I830_IRQ_WAIT 0x0b +#define DRM_I830_GETPARAM 0x0c +#define DRM_I830_SETPARAM 0x0d + +#define DRM_IOCTL_I830_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_INIT, drm_i830_init_t) +#define DRM_IOCTL_I830_VERTEX DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_VERTEX, drm_i830_vertex_t) +#define DRM_IOCTL_I830_CLEAR DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_CLEAR, drm_i830_clear_t) +#define DRM_IOCTL_I830_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_FLUSH) +#define DRM_IOCTL_I830_GETAGE DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_GETAGE) +#define DRM_IOCTL_I830_GETBUF DRM_IOWR(DRM_COMMAND_BASE + DRM_IOCTL_I830_GETBUF, drm_i830_dma_t) +#define DRM_IOCTL_I830_SWAP DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_SWAP) +#define DRM_IOCTL_I830_COPY DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_COPY, drm_i830_copy_t) +#define DRM_IOCTL_I830_DOCOPY DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_DOCOPY) +#define DRM_IOCTL_I830_FLIP DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_FLIP) +#define DRM_IOCTL_I830_IRQ_EMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_IOCTL_I830_IRQ_EMIT, drm_i830_irq_emit_t) +#define DRM_IOCTL_I830_IRQ_WAIT DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_IRQ_WAIT, drm_i830_irq_wait_t) +#define DRM_IOCTL_I830_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_IOCTL_I830_GETPARAM, drm_i830_getparam_t) +#define DRM_IOCTL_I830_SETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_IOCTL_I830_SETPARAM, drm_i830_setparam_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 __user *address; /* Address to copy from */ +} drm_i830_copy_t; + +typedef struct drm_i830_dma { + void __user *virtual; + int request_idx; + int request_size; + int granted; +} drm_i830_dma_t; + + +/* 1.3: Userspace can request & wait on irq's: + */ +typedef struct drm_i830_irq_emit { + int __user *irq_seq; +} drm_i830_irq_emit_t; + +typedef struct drm_i830_irq_wait { + int irq_seq; +} drm_i830_irq_wait_t; + + +/* 1.3: New ioctl to query kernel params: + */ +#define I830_PARAM_IRQ_ACTIVE 1 + +typedef struct drm_i830_getparam { + int param; + int __user *value; +} drm_i830_getparam_t; + + +/* 1.3: New ioctl to set kernel params: + */ +#define I830_SETPARAM_USE_MI_BATCHBUFFER_START 1 + +typedef struct drm_i830_setparam { + int param; + int value; +} drm_i830_setparam_t; + + +#endif /* _I830_DRM_H_ */ |