src/gallium/winsys/r600/drm/r600_drm.c

   1 /*
   2  * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *      Jerome Glisse
  25  *      Corbin Simpson <MostAwesomeDude@gmail.com>
  26  *      Joakim Sindholt <opensource@zhasha.com>
  27  */
  28 #include <stdio.h>
  29 #include <errno.h>
  30 #include <sys/ioctl.h>
  31 #include "util/u_inlines.h"
  32 #include "util/u_debug.h"
  33 #include <pipebuffer/pb_bufmgr.h>
  34 #include "r600.h"
  35 #include "r600_priv.h"
  36 #include "r600_drm_public.h"
  37 #include "xf86drm.h"
  38 #include "radeon_drm.h"
  39
  40 static int radeon_get_device(struct radeon *radeon)
  41 {
  42         struct drm_radeon_info info;
  43         int r;
  44
  45         radeon->device = 0;
  46         info.request = RADEON_INFO_DEVICE_ID;
  47         info.value = (uintptr_t)&radeon->device;
  48         r = drmCommandWriteRead(radeon->fd, DRM_RADEON_INFO, &info,
  49                         sizeof(struct drm_radeon_info));
  50         return r;
  51 }
  52
  53 struct radeon *radeon_new(int fd, unsigned device)
  54 {
  55         struct radeon *radeon;
  56         int r;
  57
  58         radeon = calloc(1, sizeof(*radeon));
  59         if (radeon == NULL) {
  60                 return NULL;
  61         }
  62         radeon->fd = fd;
  63         radeon->device = device;
  64         radeon->refcount = 1;
  65         if (fd >= 0) {
  66                 r = radeon_get_device(radeon);
  67                 if (r) {
  68                         fprintf(stderr, "Failed to get device id\n");
  69                         return radeon_decref(radeon);
  70                 }
  71         }
  72         radeon->family = radeon_family_from_device(radeon->device);
  73         if (radeon->family == CHIP_UNKNOWN) {
  74                 fprintf(stderr, "Unknown chipset 0x%04X\n", radeon->device);
  75                 return radeon_decref(radeon);
  76         }
  77         switch (radeon->family) {
  78         case CHIP_R600:
  79         case CHIP_RV610:
  80         case CHIP_RV630:
  81         case CHIP_RV670:
  82         case CHIP_RV620:
  83         case CHIP_RV635:
  84         case CHIP_RS780:
  85         case CHIP_RS880:
  86         case CHIP_RV770:
  87         case CHIP_RV730:
  88         case CHIP_RV710:
  89         case CHIP_RV740:
  90         case CHIP_CEDAR:
  91         case CHIP_REDWOOD:
  92         case CHIP_JUNIPER:
  93         case CHIP_CYPRESS:
  94         case CHIP_HEMLOCK:
  95                 break;
  96         case CHIP_R100:
  97         case CHIP_RV100:
  98         case CHIP_RS100:
  99         case CHIP_RV200:
 100         case CHIP_RS200:
 101         case CHIP_R200:
 102         case CHIP_RV250:
 103         case CHIP_RS300:
 104         case CHIP_RV280:
 105         case CHIP_R300:
 106         case CHIP_R350:
 107         case CHIP_RV350:
 108         case CHIP_RV380:
 109         case CHIP_R420:
 110         case CHIP_R423:
 111         case CHIP_RV410:
 112         case CHIP_RS400:
 113         case CHIP_RS480:
 114         case CHIP_RS600:
 115         case CHIP_RS690:
 116         case CHIP_RS740:
 117         case CHIP_RV515:
 118         case CHIP_R520:
 119         case CHIP_RV530:
 120         case CHIP_RV560:
 121         case CHIP_RV570:
 122         case CHIP_R580:
 123         default:
 124                 fprintf(stderr, "%s unknown or unsupported chipset 0x%04X\n",
 125                         __func__, radeon->device);
 126                 break;
 127         }
 128
 129         /* setup class */
 130         switch (radeon->family) {
 131         case CHIP_R600:
 132         case CHIP_RV610:
 133         case CHIP_RV630:
 134         case CHIP_RV670:
 135         case CHIP_RV620:
 136         case CHIP_RV635:
 137         case CHIP_RS780:
 138         case CHIP_RS880:
 139                 radeon->chip_class = R600;
 140                 break;
 141         case CHIP_RV770:
 142         case CHIP_RV730:
 143         case CHIP_RV710:
 144         case CHIP_RV740:
 145                 radeon->chip_class = R700;
 146                 break;
 147         case CHIP_CEDAR:
 148         case CHIP_REDWOOD:
 149         case CHIP_JUNIPER:
 150         case CHIP_CYPRESS:
 151         case CHIP_HEMLOCK:
 152                 radeon->chip_class = EVERGREEN;
 153                 break;
 154         default:
 155                 fprintf(stderr, "%s unknown or unsupported chipset 0x%04X\n",
 156                         __func__, radeon->device);
 157                 break;
 158         }
 159
 160         radeon->kman = radeon_bo_pbmgr_create(radeon);
 161         if (!radeon->kman)
 162                 return NULL;
 163         radeon->cman = pb_cache_manager_create(radeon->kman, 100000);
 164         if (!radeon->cman)
 165                 return NULL;
 166         return radeon;
 167 }
 168
 169 struct radeon *r600_drm_winsys_create(int drmfd)
 170 {
 171         return radeon_new(drmfd, 0);
 172 }
 173
 174 struct radeon *radeon_decref(struct radeon *radeon)
 175 {
 176         if (radeon == NULL)
 177                 return NULL;
 178         if (--radeon->refcount > 0) {
 179                 return NULL;
 180         }
 181
 182         if (radeon->cman)
 183            radeon->cman->destroy(radeon->cman);
 184
 185         if (radeon->kman)
 186            radeon->kman->destroy(radeon->kman);
 187
 188         if (radeon->fd >= 0)
 189            drmClose(radeon->fd);
 190
 191         free(radeon);
 192         return NULL;
 193 }