From 6cd8831f7accbcc3efb019d7d288c5b6cc28a230 Mon Sep 17 00:00:00 2001 From: Thomas Hellstrom Date: Tue, 23 Mar 2004 21:08:48 +0000 Subject: Merged via-1-2-0 --- shared-core/via_drm.h | 185 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 185 insertions(+) create mode 100644 shared-core/via_drm.h (limited to 'shared-core/via_drm.h') diff --git a/shared-core/via_drm.h b/shared-core/via_drm.h new file mode 100644 index 00000000..da80aa92 --- /dev/null +++ b/shared-core/via_drm.h @@ -0,0 +1,185 @@ +/* + * 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_ */ -- cgit v1.2.3