FreeBSD/Linux Kernel Cross Reference
sys/dev/drm/via_drm.h

     /*-
      * 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.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD$");
    
    #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_
    
    #if !defined(__KERNEL__) && !defined(_KERNEL)
    #include "via_drmclient.h"
    #endif
    
    #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 __user *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;
   
   #endif                          /* _VIA_DRM_H_ */

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