src/mesa/drivers/dri/unichrome/via_fb.c

   1 /*
   2  * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
   3  * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sub license,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the
  13  * next paragraph) shall be included in all copies or substantial portions
  14  * of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  19  * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #include <assert.h>
  26
  27 #include "via_context.h"
  28 #include "via_ioctl.h"
  29 #include "via_fb.h"
  30 #include <sys/ioctl.h>
  31
  32 GLboolean
  33 via_alloc_back_buffer(viaContextPtr vmesa)
  34 {
  35     drm_via_mem_t fb;
  36     unsigned char *pFB;
  37 #ifdef DEBUG
  38     if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
  39 #endif
  40     fb.context = vmesa->hHWContext;
  41     fb.size = vmesa->back.size;
  42     fb.type = VIDEO;
  43 #ifdef DEBUG
  44     if (VIA_DEBUG) fprintf(stderr, "context = %d, size =%d, type = %d\n", fb.context, fb.size, fb.type);
  45 #endif
  46     if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb))
  47         return GL_FALSE;
  48
  49     pFB = vmesa->driScreen->pFB;
  50
  51     vmesa->back.offset = fb.offset;
  52     vmesa->back.map = (char *)(fb.offset + (GLuint)pFB);
  53     vmesa->back.index = fb.index;
  54 #ifdef DEBUG
  55     if (VIA_DEBUG) {
  56         fprintf(stderr, "back offset = %08x\n", vmesa->back.offset);
  57         fprintf(stderr, "back index = %d\n", vmesa->back.index);
  58     }
  59
  60     if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
  61 #endif
  62     return GL_TRUE;
  63 }
  64
  65 GLboolean
  66 via_alloc_front_buffer(viaContextPtr vmesa)
  67 {
  68     drm_via_mem_t fb;
  69     unsigned char *pFB;
  70 #ifdef DEBUG
  71     if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
  72 #endif
  73     fb.context = vmesa->hHWContext;
  74     fb.size = vmesa->back.size;
  75     fb.type = VIDEO;
  76 #ifdef DEBUG
  77     if (VIA_DEBUG) fprintf(stderr, "context = %d, size =%d, type = %d\n", fb.context, fb.size, fb.type);
  78 #endif
  79     if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb))
  80         return GL_FALSE;
  81
  82     pFB = vmesa->driScreen->pFB;
  83
  84     vmesa->front.offset = fb.offset;
  85     vmesa->front.map = (char *)(fb.offset + (GLuint)pFB);
  86     vmesa->front.index = fb.index;
  87 #ifdef DEBUG
  88     if (VIA_DEBUG) {
  89         fprintf(stderr, "front offset = %08x\n", vmesa->front.offset);
  90         fprintf(stderr, "front index = %d\n", vmesa->front.index);
  91     }
  92
  93
  94     if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
  95 #endif
  96     return GL_TRUE;
  97 }
  98
  99 void
 100 via_free_back_buffer(viaContextPtr vmesa)
 101 {
 102     drm_via_mem_t fb;
 103
 104     if (!vmesa) return;
 105     fb.context = vmesa->hHWContext;
 106     fb.index = vmesa->back.index;
 107     fb.type = VIDEO;
 108     ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb);
 109     vmesa->back.map = NULL;
 110 }
 111
 112 void
 113 via_free_front_buffer(viaContextPtr vmesa)
 114 {
 115     drm_via_mem_t fb;
 116
 117     if (!vmesa) return;
 118     fb.context = vmesa->hHWContext;
 119     fb.index = vmesa->front.index;
 120     fb.type = VIDEO;
 121     ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb);
 122     vmesa->front.map = NULL;
 123 }
 124
 125 GLboolean
 126 via_alloc_depth_buffer(viaContextPtr vmesa)
 127 {
 128     drm_via_mem_t fb;
 129     unsigned char *pFB;
 130 #ifdef DEBUG
 131     if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
 132 #endif
 133     fb.context = vmesa->hHWContext;
 134     fb.size = vmesa->depth.size;
 135     fb.type = VIDEO;
 136
 137     if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb)) {
 138         return GL_FALSE;
 139     }
 140
 141     pFB = vmesa->driScreen->pFB;
 142
 143     vmesa->depth.offset = fb.offset;
 144     vmesa->depth.map = (char *)(fb.offset + (GLuint)pFB);
 145     vmesa->depth.index = fb.index;
 146 #ifdef DEBUG
 147     if (VIA_DEBUG) {
 148         fprintf(stderr, "depth offset = %08x\n", vmesa->depth.offset);
 149         fprintf(stderr, "depth index = %d\n", vmesa->depth.index);
 150     }
 151
 152     if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
 153 #endif
 154     return GL_TRUE;
 155 }
 156
 157 void
 158 via_free_depth_buffer(viaContextPtr vmesa)
 159 {
 160     drm_via_mem_t fb;
 161
 162     if (!vmesa) return;
 163     fb.context = vmesa->hHWContext;
 164     fb.index = vmesa->depth.index;
 165     fb.type = VIDEO;
 166     ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb);
 167     vmesa->depth.map = NULL;
 168 }
 169
 170 GLboolean
 171 via_alloc_dma_buffer(viaContextPtr vmesa)
 172 {
 173     drm_via_mem_t fb;
 174     drmVIADMABuf dma;
 175 #ifdef DEBUG
 176     if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
 177 #endif
 178     if (vmesa->viaScreen->agpLinearStart) {
 179         /* Allocate DMA in AGP memory*/
 180         fb.context = vmesa->hHWContext;
 181         fb.size = vmesa->dma[0].size;
 182         fb.type = AGP;
 183         if (!ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb)) {
 184             vmesa->dma[0].offset = fb.offset;
 185             vmesa->dma[0].index = fb.index;
 186             vmesa->dma[0].map = (unsigned char *)((GLuint)vmesa->viaScreen->agpLinearStart + fb.offset);
 187             if (!ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb)) {
 188                 vmesa->dma[1].offset = fb.offset;
 189                 vmesa->dma[1].index = fb.index;
 190                 vmesa->dma[1].map = (unsigned char *)((GLuint)vmesa->viaScreen->agpLinearStart + fb.offset);
 191                 vmesa->useAgp = GL_TRUE;
 192
 193                 return GL_TRUE;
 194             }
 195             else {
 196                 /* release dma[0]*/
 197                 return GL_FALSE;
 198             }
 199         }
 200         return GL_FALSE;
 201     }
 202     else {
 203         /* Allocate DMA in System memory */
 204         dma.size = vmesa->dma[0].size;
 205
 206         if (drmVIAAllocateDMA(vmesa->driFd,&dma) < 0) {
 207             return GL_FALSE;
 208         }
 209
 210         vmesa->dma[0].offset = 0;
 211         vmesa->dma[0].map = (unsigned char *)dma.address;
 212         vmesa->dma[0].index = dma.index;
 213
 214         drmVIAAllocateDMA(vmesa->driFd, &dma);
 215
 216         vmesa->dma[1].offset = 0;
 217         vmesa->dma[1].map = (unsigned char *)dma.address;
 218         vmesa->dma[1].index = dma.index;
 219         vmesa->useAgp = GL_FALSE;
 220
 221         return GL_TRUE;
 222     }
 223 #ifdef DEBUG
 224     if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
 225 #endif
 226 }
 227
 228 void
 229 via_free_dma_buffer(viaContextPtr vmesa)
 230 {
 231     drmVIADMABuf dma;
 232     drm_via_mem_t fb;
 233
 234
 235     if (!vmesa) return;
 236
 237     /* Release AGP command buffer */
 238     if (vmesa->useAgp) {
 239         fb.context = vmesa->hHWContext;
 240         fb.index = vmesa->dma[0].index;
 241         fb.type = AGP;
 242         ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb);
 243         vmesa->dma[0].map = NULL;
 244         fb.index = vmesa->dma[1].index;
 245         ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb);
 246         vmesa->dma[1].map = NULL;
 247     }
 248     /* Release System command buffer */
 249     else {
 250         /*=* John Sheng [2003.7.18] viewperf frames/sec *=*/
 251         /*dma.address = (unsigned long *)vmesa->dma[0].offset;*/
 252         dma.address = (unsigned long *)vmesa->dma[0].map;
 253         /*=* John Sheng [2003.6.16] fix pci path *=*/
 254         dma.size = (unsigned int)vmesa->dma[0].size;
 255         drmVIAReleaseDMA(vmesa->driFd, &dma);
 256         /*=* John Sheng [2003.7.18] viewperf frames/sec *=*/
 257         /*dma.address = (unsigned long *)vmesa->dma[1].offset;*/
 258         dma.address = (unsigned long *)vmesa->dma[1].map;
 259         /*=* John Sheng [2003.6.16] fix pci path *=*/
 260         dma.size = (unsigned int)vmesa->dma[1].size;
 261         drmVIAReleaseDMA(vmesa->driFd, &dma);
 262         /*=* John Sheng [2003.7.18] viewperf frames/sec *=*/
 263         /*vmesa->dma[0].offset = 0;
 264         vmesa->dma[1].offset = 0;*/
 265         vmesa->dma[0].map = 0;
 266         vmesa->dma[1].map = 0;
 267     }
 268 }
 269
 270 GLboolean
 271 via_alloc_texture(viaContextPtr vmesa, viaTextureObjectPtr t)
 272 {
 273     drm_via_mem_t fb;
 274 #ifdef DEBUG
 275     if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
 276 #endif
 277     fb.context = vmesa->hHWContext;
 278     fb.size = t->texMem.size;
 279     fb.type = VIDEO;
 280 #ifdef DEBUG
 281     if (VIA_DEBUG) {
 282         fprintf(stderr, "texture size = %d\n", fb.size);
 283         fprintf(stderr, "texture type = %d\n", fb.type);
 284     }
 285 #endif
 286     if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb)) {
 287         fprintf(stderr, "via_alloc_texture fail\n");
 288         return GL_FALSE;
 289     }
 290
 291     t->texMem.offset = fb.offset;
 292     t->texMem.index = fb.index;
 293 #ifdef DEBUG
 294     if (VIA_DEBUG) fprintf(stderr, "texture index = %d\n", (GLuint)fb.index);
 295 #endif
 296
 297     t->bufAddr = (unsigned char *)(fb.offset + (GLuint)vmesa->driScreen->pFB);
 298 #ifdef DEBUG
 299     if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
 300 #endif
 301     return GL_TRUE;
 302 }
 303 /*=* John Sheng [2003.5.31]  agp tex *=*/
 304 GLboolean
 305 via_alloc_texture_agp(viaContextPtr vmesa, viaTextureObjectPtr t)
 306 {
 307     drm_via_mem_t fb;
 308 #ifdef DEBUG
 309     if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
 310 #endif
 311     fb.context = vmesa->hHWContext;
 312     fb.size = t->texMem.size;
 313     fb.type = AGP;
 314 #ifdef DEBUG
 315     if (VIA_DEBUG) {
 316         fprintf(stderr, "texture_agp size = %d\n", fb.size);
 317         fprintf(stderr, "texture type = %d\n", fb.type);
 318     }
 319 #endif
 320     if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb)) {
 321         fprintf(stderr, "via_alloc_texture_agp fail\n");
 322         return GL_FALSE;
 323     }
 324
 325     t->texMem.offset = fb.offset;
 326     t->texMem.index = fb.index;
 327 #ifdef DEBUG
 328     if (VIA_DEBUG) fprintf(stderr, "texture agp index = %d\n", (GLuint)fb.index);
 329 #endif
 330
 331     t->bufAddr = (unsigned char *)((GLuint)vmesa->viaScreen->agpLinearStart + fb.offset);
 332     /*=* John Sheng [2003.5.31]  agp tex *=*/
 333     t->inAGP = GL_TRUE;
 334 #ifdef DEBUG
 335     if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
 336 #endif
 337     return GL_TRUE;
 338 }
 339
 340 void
 341 via_free_texture(viaContextPtr vmesa, viaTextureObjectPtr t)
 342 {
 343     drm_via_mem_t fb;
 344 #ifdef DEBUG
 345     if (VIA_DEBUG) {
 346         fprintf(stderr, "via_free_texture: index = %d\n",
 347             t->texMem.index);
 348         fprintf(stderr, "via_free_texture: size = %d\n",
 349             t->texMem.size);
 350     }
 351 #endif
 352     if (!vmesa) {
 353         fprintf(stderr, "!mesa\n");
 354         return;
 355     }
 356
 357     fb.context = vmesa->hHWContext;
 358     fb.index = t->texMem.index;
 359
 360     /*=* John Sheng [2003.5.31]  agp tex *=*/
 361     if(t->inAGP)
 362         fb.type = AGP;
 363     else
 364         fb.type = VIDEO;
 365
 366     if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb)) {
 367         if(vmesa->shareCtx) {
 368             fb.context = ((viaContextPtr)((GLcontext *)(vmesa->shareCtx)->DriverCtx))->hHWContext;
 369             if (ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb)) {
 370                 fprintf(stderr, "via_free_texture fail\n");
 371             }
 372         }
 373         else
 374             fprintf(stderr, "via_free_texture fail\n");
 375     }
 376
 377     t->bufAddr = NULL;
 378 }