src/mesa/drivers/dri/s3v/s3v_common.h

   1 /*
   2  * Author: Max Lingua <sunmax@libero.it>
   3  */
   4
   5 /* WARNING: If you change any of these defines, make sure to change
   6  * the kernel include file as well (s3v_drm.h)
   7  */
   8
   9 #ifndef _XF86DRI_S3V_H_
  10 #define _XF86DRI_S3V_H_
  11
  12 #ifndef _S3V_DEFINES_
  13 #define _S3V_DEFINES_
  14 #define S3V_USE_BATCH 1
  15
  16 /* #define S3V_BUF_4K 1 */
  17
  18 #ifdef S3V_BUF_4K
  19 #define S3V_DMA_BUF_ORDER 12
  20 #define S3V_DMA_BUF_NR    256
  21 #else
  22 #define S3V_DMA_BUF_ORDER 16 /* -much- better */
  23 #define S3V_DMA_BUF_NR    16
  24 #endif
  25 /* on s3virge you can only choose between *
  26  * 4k (2^12) and 64k (2^16) dma bufs      */
  27 #define S3V_DMA_BUF_SZ        (1<<S3V_DMA_BUF_ORDER)
  28
  29 #define S3V_NR_SAREA_CLIPRECTS 8
  30
  31 /* Each region is a minimum of 16k (64*64@4bpp)
  32  * and there are at most 40 of them.
  33  */
  34 #define S3V_NR_TEX_REGIONS 64 /* was 40 */
  35 #define S3V_LOG_TEX_GRANULARITY 16 /* was 4 */
  36 /* 40 * (2 ^ 4) = 640k, that's all we have for tex on 4mb gfx card */
  37 /* FIXME: will it work with card with less than 4mb? */
  38 /* FIXME: we should set this at run time */
  39
  40 #endif  /* _S3V_DEFINES */
  41
  42 /*
  43  * WARNING: If you change any of these defines, make sure to change
  44  * the kernel include file as well (gamma_drm.h)
  45  */
  46
  47 /* Driver specific DRM command indices
  48  * NOTE: these are not OS specific, but they are driver specific
  49  */
  50 #define DRM_S3V_INIT_DMA              0x00
  51 #define DRM_S3V_CLEANUP_DMA           0x01
  52
  53 typedef struct _drmS3VInit {
  54     enum {
  55         S3V_INIT_DMA = 0x01,
  56         S3V_CLEANUP_DMA = 0x02
  57     } func;
  58
  59     unsigned int pcimode;   /* bool: 1=pci 0=agp */
  60
  61     unsigned int mmio_offset;
  62     unsigned int buffers_offset;
  63     unsigned int sarea_priv_offset;
  64
  65     unsigned int front_offset;
  66     unsigned int front_width;
  67     unsigned int front_height;
  68     unsigned int front_pitch;
  69
  70     unsigned int back_offset;
  71     unsigned int back_width;
  72     unsigned int back_height;
  73     unsigned int back_pitch;
  74
  75     unsigned int depth_offset;
  76     unsigned int depth_width;
  77     unsigned int depth_height;
  78     unsigned int depth_pitch;
  79
  80     unsigned int texture_offset;
  81 } drmS3VInit;
  82
  83 #endif