src/mesa/drivers/dri/s3v/s3v_macros.h

   1 /*
   2  * Author: Max Lingua <sunmax@libero.it>
   3  */
   4
   5 #ifndef _S3V_MACROS_H_
   6 #define _S3V_MACROS_H_
   7
   8 /**************/
   9 /* DRI macros */
  10 /**************/
  11
  12 #define GENERIC_DEBUG 0
  13 #define FLOW_DEBUG    0
  14 #define DMABUFS_DEBUG 0
  15
  16 /* Note: The argument to DEBUG*() _must_ be enclosed in parenthesis */
  17
  18 #if (GENERIC_DEBUG || FLOW_DEBUG || DMABUFS_DEBUG)
  19 #include <stdio.h>
  20 #endif
  21
  22 #undef DEBUG
  23 #if GENERIC_DEBUG
  24 #define DEBUG(str) printf str
  25 #else
  26 #define DEBUG(str)
  27 #endif
  28
  29 #if FLOW_DEBUG
  30 #define DEBUG_WHERE(str) printf str
  31 #else
  32 #define DEBUG_WHERE(str)
  33 #endif
  34
  35 #if DMABUFS_DEBUG
  36 #define DEBUG_BUFS(str) printf str
  37 #else
  38 #define DEBUG_BUFS(str)
  39 #endif
  40
  41
  42 #if 0
  43 #define S3V_DMA_SEND_FLAGS    DRM_DMA_PRIORITY
  44 #define S3V_DMA_SEND_FLAGS    DRM_DMA_BLOCK
  45 #else
  46 #define S3V_DMA_SEND_FLAGS    0
  47 #endif
  48
  49 #if 0
  50 #define S3V_DMA_GET_FLAGS     \
  51     (DRM_DMA_SMALLER_OK | DRM_DMA_LARGER_OK | DRM_DMA_WAIT)
  52 #else
  53 #define S3V_DMA_GET_FLAGS     DRM_DMA_WAIT
  54 #endif
  55
  56
  57 #define DMAOUT_CHECK(reg,len) \
  58 do { \
  59         DEBUG(("DMAOUT_CHECK: reg = 0x%x\n", S3V_##reg##_REG)); \
  60         DEBUG_BUFS(("DMAOUT_CHECK (was): ")); \
  61         DEBUG_BUFS(("vmesa->bufCount=%i of vmesa->bufSize=%i\n", \
  62                 vmesa->bufCount, vmesa->bufSize)); \
  63         /* FIXME: > or >= */ \
  64         if (vmesa->bufCount+(len+1) >= vmesa->bufSize) \
  65                 DMAFLUSH(); \
  66 \
  67         vmesa->bufCount += (len+1); \
  68         DEBUG_BUFS(("DMAOUT_CHECK (is): vmesa->bufCount=%i len=%i, reg=%x\n", \
  69                 vmesa->bufCount, len, S3V_##reg##_REG)); \
  70         DMAOUT( ((len & 0xffff) | ((S3V_##reg##_REG & 0xfffc) << 14)) );  \
  71 } while (0)
  72
  73 #define DMAOUT(val) \
  74 do { \
  75         *(vmesa->buf++)=val; \
  76         DEBUG_BUFS(("DMAOUT: val=0x%x\n", (unsigned int)val)); \
  77 } while(0)
  78
  79 #define DMAFINISH()     \
  80 do { \
  81         /* NOTE: it does nothing - it just prints some summary infos */ \
  82         DEBUG(("DMAFINISH: vmesa->bufCount=%i\n", vmesa->bufCount)); \
  83         DEBUG(("buf: index=%i; addr=%p\n", vmesa->bufIndex[vmesa->_bufNum], \
  84         vmesa->s3vScreen->bufs->list[vmesa->bufIndex[vmesa->_bufNum]].address)); \
  85 } while(0)
  86
  87 #define DMAFLUSH() \
  88 do { \
  89         if (vmesa->bufCount) { \
  90                 SEND_DMA(vmesa->driFd, vmesa->hHWContext, 1, \
  91                         &vmesa->bufIndex[vmesa->_bufNum], &vmesa->bufCount); \
  92 /*
  93                 GET_DMA(vmesa->driFd, vmesa->hHWContext, 1, \
  94                         &vmesa->bufIndex, &vmesa->bufSize); \
  95 */ \
  96                 vmesa->_bufNum = !(vmesa->_bufNum); \
  97                 vmesa->buf = vmesa->_buf[vmesa->_bufNum]; \
  98 /*
  99                 vmesa->buf = \
 100                         vmesa->s3vScreen->bufs->list[vmesa->bufIndex].address; \
 101 */ \
 102                 vmesa->bufCount = 0; \
 103         } \
 104 } while (0)
 105
 106 #define CMDCHANGE() \
 107 do { \
 108         DMAOUT_CHECK(3DTRI_CMDSET, 1); /* FIXME: TRI/LINE */ \
 109                 DMAOUT(vmesa->CMD); \
 110         DMAFINISH(); \
 111 } while (0)
 112
 113 #ifdef DONT_SEND_DMA
 114 #define GET_DMA(fd, hHWCtx, n, idx, size)
 115 #define SEND_DMA(fd, hHWCtx,n, idx, cnt)
 116 #else
 117 #define GET_DMA(fd, hHWCtx, n, idx, size) \
 118 do { \
 119         drmDMAReq dma; \
 120         int retcode, i; \
 121 \
 122         DEBUG(("GET_DMA: ")); \
 123         DEBUG(("req_count=%i; req_list[#0]=%i; req_size[#0]=%i\n", \
 124                 n, (idx)[n-1], (size)[n-1])); \
 125 \
 126         dma.context       = (hHWCtx); \
 127         dma.send_count    = 0; \
 128         dma.send_list     = NULL; \
 129         dma.send_sizes    = NULL; \
 130         dma.flags         = S3V_DMA_GET_FLAGS; \
 131         dma.request_count = (n); \
 132         dma.request_size  = S3V_DMA_BUF_SZ; \
 133         dma.request_list  = (idx); \
 134         dma.request_sizes = (size); \
 135 \
 136         do { \
 137                 if ((retcode = drmDMA((fd), &dma))) { \
 138                 DEBUG_BUFS(("drmDMA (get) returned %d\n", retcode)); \
 139         } \
 140 } while (!(dma).granted_count); \
 141 \
 142         for (i = 0; i < (n); i++) { \
 143                 DEBUG(("Got buffer %i (index #%i)\n", (idx)[i], i)); \
 144                 DEBUG(("of %i bytes (%i words) size\n", \
 145                         (size)[i], (size)[i] >>2)); \
 146                 /* Convert from bytes to words */ \
 147                 (size)[i] >>= 2; \
 148         } \
 149 } while (0)
 150
 151 #define SEND_DMA(fd, hHWCtx, n, idx, cnt) \
 152 do { \
 153         drmDMAReq dma; \
 154         int retcode, i; \
 155 \
 156         DEBUG(("SEND_DMA: ")); \
 157         DEBUG(("send_count=%i; send_list[#0]=%i; send_sizes[#0]=%i\n", \
 158                 n, (idx)[n-1], (cnt)[n-1])); \
 159 \
 160         for (i = 0; i < (n); i++) { \
 161                 /* Convert from words to bytes */ \
 162                 (cnt)[i] <<= 2; \
 163         } \
 164 \
 165         dma.context       = (hHWCtx); \
 166         dma.send_count    = (n); \
 167         dma.send_list     = (idx); \
 168         dma.send_sizes    = (cnt); \
 169         dma.flags         = S3V_DMA_SEND_FLAGS; \
 170         dma.request_count = 0; \
 171         dma.request_size  = 0; \
 172         dma.request_list  = NULL; \
 173         dma.request_sizes = NULL; \
 174 \
 175         if ((retcode = drmDMA((fd), &dma))) { \
 176                 DEBUG_BUFS(("drmDMA (send) returned %d\n", retcode)); \
 177         } \
 178 \
 179         for (i = 0; i < (n); i++) { \
 180                 DEBUG(("Sent buffer %i (index #%i)\n", (idx)[i], i)); \
 181                 DEBUG(("of %i bytes (%i words) size\n", \
 182                         (cnt)[i], (cnt)[i] >>2)); \
 183                 (cnt)[i] = 0; \
 184         } \
 185 } while (0)
 186 #endif /* DONT_SEND_DMA */
 187
 188 #define GET_FIRST_DMA(fd, hHWCtx, n, idx, size, buf, cnt, vPriv) \
 189 do { \
 190         int i; \
 191         DEBUG_BUFS(("GET_FIRST_DMA\n")); \
 192         DEBUG_BUFS(("n=%i idx=%i size=%i\n", n, *idx, *size)); \
 193         DEBUG_BUFS(("going to GET_DMA\n")); \
 194         GET_DMA(fd, hHWCtx, n, idx, size); \
 195         DEBUG_BUFS(("coming from GET_DMA\n")); \
 196         DEBUG_BUFS(("n=%i idx=%i size=%i\n", n, (idx)[0], (size)[0])); \
 197         for (i = 0; i < (n); i++) { \
 198                 DEBUG_BUFS(("buf #%i @%p\n", \
 199                         i, (vPriv)->bufs->list[(idx)[i]].address)); \
 200                 (buf)[i] = (vPriv)->bufs->list[(idx)[i]].address; \
 201                 (cnt)[i] = 0; \
 202         } \
 203         DEBUG(("GOING HOME\n")); \
 204 } while (0)
 205
 206 /**************************/
 207 /* generic, global macros */
 208 /**************************/
 209
 210 #define CALC_LOG2(l2,s) \
 211 do { \
 212         int __s = s; \
 213         l2 = 0; \
 214         while (__s > 1) { ++l2; __s >>= 1; } \
 215 } while (0)
 216
 217 #define PrimType_Null               0x00000000
 218 #define PrimType_Points             0x10000000
 219 #define PrimType_Lines              0x20000000
 220 #define PrimType_LineLoop           0x30000000
 221 #define PrimType_LineStrip          0x40000000
 222 #define PrimType_Triangles          0x50000000
 223 #define PrimType_TriangleStrip      0x60000000
 224 #define PrimType_TriangleFan        0x70000000
 225 #define PrimType_Quads              0x80000000
 226 #define PrimType_QuadStrip          0x90000000
 227 #define PrimType_Polygon            0xa0000000
 228 #define PrimType_Mask               0xf0000000
 229
 230 #endif /* _S3V_MACROS_H_ */