Merged via-1-2-0

1 files changed, 185 insertions, 0 deletions

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_ */