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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_
 
 #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 _VIA_DEFINES_
 #define _VIA_DEFINES_
 
 #include "via_drmclient.h"
 
 #define VIA_NR_SAREA_CLIPRECTS      8
 #define VIA_NR_XVMC_PORTS               10
 #define VIA_NR_XVMC_LOCKS               5
 #define VIA_MAX_CACHELINE_SIZE          64
 #define XVMCLOCKPTR(saPriv,lockNo)                  \
     ((__volatile__ struct drm_hw_lock *)(((((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_VIA_ALLOCMEM    0x00
 #define DRM_VIA_FREEMEM         0x01
 #define DRM_VIA_AGP_INIT    0x02
 #define DRM_VIA_FB_INIT         0x03
 #define DRM_VIA_MAP_INIT    0x04
 #define DRM_VIA_DEC_FUTEX       0x05
 #define NOT_USED
 #define DRM_VIA_DMA_INIT    0x07
 #define DRM_VIA_CMDBUFFER   0x08
 #define DRM_VIA_FLUSH           0x09
 #define DRM_VIA_PCICMD          0x0a
 #define DRM_VIA_CMDBUF_SIZE 0x0b
 #define NOT_USED
 #define DRM_VIA_WAIT_IRQ        0x0d
 #define DRM_VIA_DMA_BLIT        0x0e
 #define DRM_VIA_BLIT_SYNC       0x0f
 
 #define DRM_IOCTL_VIA_ALLOCMEM    DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_ALLOCMEM, drm_via_mem_t)
 #define DRM_IOCTL_VIA_FREEMEM     DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_FREEMEM, drm_via_mem_t)
 #define DRM_IOCTL_VIA_AGP_INIT    DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_AGP_INIT, drm_via_agp_t)
 #define DRM_IOCTL_VIA_FB_INIT     DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_FB_INIT, drm_via_fb_t)
 #define DRM_IOCTL_VIA_MAP_INIT    DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_MAP_INIT, drm_via_init_t)
 #define DRM_IOCTL_VIA_DEC_FUTEX   DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_DEC_FUTEX, drm_via_futex_t)
 #define DRM_IOCTL_VIA_DMA_INIT    DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_DMA_INIT, drm_via_dma_init_t)
 #define DRM_IOCTL_VIA_CMDBUFFER   DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_CMDBUFFER, drm_via_cmdbuffer_t)
 #define DRM_IOCTL_VIA_FLUSH   DRM_IO(  DRM_COMMAND_BASE + DRM_VIA_FLUSH)
 #define DRM_IOCTL_VIA_PCICMD      DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_PCICMD, drm_via_cmdbuffer_t)
 #define DRM_IOCTL_VIA_CMDBUF_SIZE DRM_IOWR( DRM_COMMAND_BASE + DRM_VIA_CMDBUF_SIZE, \
                         drm_via_cmdbuf_size_t)
 #define DRM_IOCTL_VIA_WAIT_IRQ    DRM_IOWR( DRM_COMMAND_BASE + DRM_VIA_WAIT_IRQ, drm_via_irqwait_t)
 #define DRM_IOCTL_VIA_DMA_BLIT    DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_DMA_BLIT, drm_via_dmablit_t)
 #define DRM_IOCTL_VIA_BLIT_SYNC   DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_BLIT_SYNC, drm_via_blitsync_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 VIA_MEM_VIDEO   0   /* matches drm constant */
 #define VIA_MEM_AGP     1   /* matches drm constant */
 #define VIA_MEM_SYSTEM  2
 #define VIA_MEM_MIXED   3
 #define VIA_MEM_UNKNOWN 4
 
 typedef struct {
     __u32 offset;
     __u32 size;
 } drm_via_agp_t;
 
 typedef struct {
     __u32 offset;
     __u32 size;
 } drm_via_fb_t;
 
 typedef struct {
     __u32 context;
     __u32 type;
     __u32 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
     } func;
     __u32 ms;
     __u32 lock;
     __u32 val;
 } drm_via_futex_t;
 
 typedef struct _drm_via_dma_init {
     enum {
         VIA_INIT_DMA = 0x01,
         VIA_CLEANUP_DMA = 0x02,
         VIA_DMA_INITIALIZED = 0x03
     } func;
 
     unsigned long offset;
     unsigned long size;
     unsigned long reg_pause_addr;
 } drm_via_dma_init_t;
 
 typedef struct _drm_via_cmdbuffer {
     char *buf;
     unsigned long size;
 } drm_via_cmdbuffer_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;
     struct drm_clip_rect 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.
      * 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)];
 
     unsigned int XvMCDisplaying[VIA_NR_XVMC_PORTS];
     unsigned int XvMCSubPicOn[VIA_NR_XVMC_PORTS];
     unsigned int XvMCCtxNoGrabbed;  /* Last context to hold decoder */
 
     /* Used by the 3d driver only at this point, for pageflipping:
      */
     unsigned int pfCurrentOffset;
 } drm_via_sarea_t;
 
 typedef struct _drm_via_cmdbuf_size {
     enum {
         VIA_CMDBUF_SPACE = 0x01,
         VIA_CMDBUF_LAG = 0x02
     } func;
     int wait;
     __u32 size;
 } drm_via_cmdbuf_size_t;
 
 typedef enum {
     VIA_IRQ_ABSOLUTE = 0x0,
     VIA_IRQ_RELATIVE = 0x1,
     VIA_IRQ_SIGNAL = 0x10000000,
     VIA_IRQ_FORCE_SEQUENCE = 0x20000000
 } via_irq_seq_type_t;
 
 #define VIA_IRQ_FLAGS_MASK 0xF0000000
 
 enum drm_via_irqs {
     drm_via_irq_hqv0 = 0,
     drm_via_irq_hqv1,
     drm_via_irq_dma0_dd,
     drm_via_irq_dma0_td,
     drm_via_irq_dma1_dd,
     drm_via_irq_dma1_td,
     drm_via_irq_num
 };
 
 struct drm_via_wait_irq_request {
     unsigned irq;
     via_irq_seq_type_t type;
     __u32 sequence;
     __u32 signal;
 };
 
 typedef union drm_via_irqwait {
     struct drm_via_wait_irq_request request;
     struct drm_wait_vblank_reply reply;
 } drm_via_irqwait_t;
 
 typedef struct drm_via_blitsync {
     __u32 sync_handle;
     unsigned engine;
 } drm_via_blitsync_t;
 
 /* - * Below,"flags" is currently unused but will be used for possible future
  * extensions like kernel space bounce buffers for bad alignments and
  * blit engine busy-wait polling for better latency in the absence of
  * interrupts.
  */
 
 typedef struct drm_via_dmablit {
     __u32 num_lines;
     __u32 line_length;
 
     __u32 fb_addr;
     __u32 fb_stride;
 
     unsigned char *mem_addr;
     __u32 mem_stride;
 
     __u32 flags;
     int to_fb;
 
     drm_via_blitsync_t sync;
 } drm_via_dmablit_t;
 
 #if defined(__cplusplus)
 }
 #endif
 
 #endif              /* _VIA_DRM_H_ */

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