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/*
* Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
* Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sub license,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef _VIA_DRM_H_
#define _VIA_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 _VIA_DEFINES_
#define _VIA_DEFINES_
#define VIA_DMA_BUF_ORDER 12
#define VIA_DMA_BUF_SZ (1 << VIA_DMA_BUF_ORDER)
#define VIA_DMA_BUF_NR 256
#define VIA_NR_SAREA_CLIPRECTS 8
#define VIA_NR_XVMC_LOCKS 2
#define VIA_MAX_CACHELINE_SIZE 64
#define XVMCLOCKPTR(saPriv,lockNo) \
((volatile int *)(((((unsigned long) (saPriv)->XvMCLockArea) + \
(VIA_MAX_CACHELINE_SIZE - 1)) & \
~(VIA_MAX_CACHELINE_SIZE - 1)) + \
VIA_MAX_CACHELINE_SIZE*(lockNo)))
/* Each region is a minimum of 64k, and there are at most 64 of them.
*/
#define VIA_NR_TEX_REGIONS 64
#define VIA_LOG_MIN_TEX_REGION_SIZE 16
#endif
#define VIA_UPLOAD_TEX0IMAGE 0x1 /* handled clientside */
#define VIA_UPLOAD_TEX1IMAGE 0x2 /* handled clientside */
#define VIA_UPLOAD_CTX 0x4
#define VIA_UPLOAD_BUFFERS 0x8
#define VIA_UPLOAD_TEX0 0x10
#define VIA_UPLOAD_TEX1 0x20
#define VIA_UPLOAD_CLIPRECTS 0x40
#define VIA_UPLOAD_ALL 0xff
/* VIA specific ioctls */
#define DRM_IOCTL_VIA_ALLOCMEM DRM_IOWR(0x40, drm_via_mem_t)
#define DRM_IOCTL_VIA_FREEMEM DRM_IOW(0x41, drm_via_mem_t)
#define DRM_IOCTL_VIA_AGP_INIT DRM_IOWR(0x42, drm_via_agp_t)
#define DRM_IOCTL_VIA_FB_INIT DRM_IOWR(0x43, drm_via_fb_t)
#define DRM_IOCTL_VIA_MAP_INIT DRM_IOWR(0x44, drm_via_init_t)
#define DRM_IOCTL_VIA_DEC_FUTEX DRM_IOW(0x45, drm_via_futex_t)
/* 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.
*/
#define VIA_TEX_SETUP_SIZE 8
/* Flags for clear ioctl
*/
#define VIA_FRONT 0x1
#define VIA_BACK 0x2
#define VIA_DEPTH 0x4
#define VIA_STENCIL 0x8
#define VIDEO 0
#define AGP 1
typedef struct {
unsigned int offset;
unsigned int size;
} drm_via_agp_t;
typedef struct {
unsigned int offset;
unsigned int size;
} drm_via_fb_t;
typedef struct {
unsigned int context;
unsigned int type;
unsigned int size;
unsigned long index;
unsigned long offset;
} drm_via_mem_t;
typedef struct _drm_via_init {
enum {
VIA_INIT_MAP = 0x01,
VIA_CLEANUP_MAP = 0x02
} func;
unsigned long sarea_priv_offset;
unsigned long fb_offset;
unsigned long mmio_offset;
unsigned long agpAddr;
} drm_via_init_t;
typedef struct _drm_via_futex {
enum {
VIA_FUTEX_WAIT = 0x00,
VIA_FUTEX_WAKE = 0X01
}fut;
unsigned int op;
unsigned int ms;
unsigned int lock;
unsigned int val;
} drm_via_futex_t;
/* Warning: If you change the SAREA structure you must change the Xserver
* structure as well */
typedef struct _drm_via_tex_region {
unsigned char next, prev; /* indices to form a circular LRU */
unsigned char inUse; /* owned by a client, or free? */
int age; /* tracked by clients to update local LRU's */
} drm_via_tex_region_t;
typedef struct _drm_via_sarea {
unsigned int dirty;
unsigned int nbox;
drm_clip_rect_t boxes[VIA_NR_SAREA_CLIPRECTS];
drm_via_tex_region_t texList[VIA_NR_TEX_REGIONS + 1];
int texAge; /* last time texture was uploaded */
int ctxOwner; /* last context to upload state */
int vertexPrim;
/*
* Below is for XvMC.
*/
unsigned int XvMCSubPicOn; /* Subpicture displaying flag */
unsigned int XvMCDisplaying; /* Surface displaying flag */
unsigned int XvMCCtxNoGrabbed; /* Last context to hold decoder */
/*
* We want the lock integers alone on, and aligned to, a cache line.
* Therefore this somewhat strange construct.
*/
char XvMCLockArea[VIA_MAX_CACHELINE_SIZE * (VIA_NR_XVMC_LOCKS + 1)];
} drm_via_sarea_t;
typedef struct _drm_via_flush_agp {
unsigned int offset;
unsigned int size;
unsigned int index;
int discard; /* client is finished with the buffer? */
} drm_via_flush_agp_t;
typedef struct _drm_via_flush_sys {
unsigned int offset;
unsigned int size;
unsigned long index;
int discard; /* client is finished with the buffer? */
} drm_via_flush_sys_t;
#ifdef __KERNEL__
int via_fb_init( DRM_IOCTL_ARGS );
int via_mem_alloc( DRM_IOCTL_ARGS );
int via_mem_free( DRM_IOCTL_ARGS );
int via_agp_init( DRM_IOCTL_ARGS );
int via_map_init( DRM_IOCTL_ARGS );
int via_decoder_futex( DRM_IOCTL_ARGS );
#endif
#endif /* _VIA_DRM_H_ */
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