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