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/* 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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