src/gallium/winsys/r600/drm/r600.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  */
  26 #include "xf86drm.h"
  27 #include "radeon_drm.h"
  28 #include "r600_priv.h"
  29
  30 enum radeon_family r600_get_family(struct radeon *r600)
  31 {
  32         return r600->family;
  33 }
  34
  35 enum chip_class r600_get_family_class(struct radeon *radeon)
  36 {
  37         return radeon->chip_class;
  38 }
  39
  40 static int r600_get_device(struct radeon *r600)
  41 {
  42         struct drm_radeon_info info;
  43
  44         r600->device = 0;
  45         info.request = RADEON_INFO_DEVICE_ID;
  46         info.value = (uintptr_t)&r600->device;
  47         return drmCommandWriteRead(r600->fd, DRM_RADEON_INFO, &info, sizeof(struct drm_radeon_info));
  48 }
  49
  50 struct radeon *r600_new(int fd, unsigned device)
  51 {
  52         struct radeon *r600;
  53         int r;
  54
  55         r600 = calloc(1, sizeof(*r600));
  56         if (r600 == NULL) {
  57                 return NULL;
  58         }
  59         r600->fd = fd;
  60         r600->device = device;
  61         if (fd >= 0) {
  62                 r = r600_get_device(r600);
  63                 if (r) {
  64                         R600_ERR("Failed to get device id\n");
  65                         r600_delete(r600);
  66                         return NULL;
  67                 }
  68         }
  69         r600->family = radeon_family_from_device(r600->device);
  70         if (r600->family == CHIP_UNKNOWN) {
  71                 R600_ERR("Unknown chipset 0x%04X\n", r600->device);
  72                 r600_delete(r600);
  73                 return NULL;
  74         }
  75         switch (r600->family) {
  76         case CHIP_R600:
  77         case CHIP_RV610:
  78         case CHIP_RV630:
  79         case CHIP_RV670:
  80         case CHIP_RV620:
  81         case CHIP_RV635:
  82         case CHIP_RS780:
  83         case CHIP_RS880:
  84         case CHIP_RV770:
  85         case CHIP_RV730:
  86         case CHIP_RV710:
  87         case CHIP_RV740:
  88                 break;
  89         case CHIP_R100:
  90         case CHIP_RV100:
  91         case CHIP_RS100:
  92         case CHIP_RV200:
  93         case CHIP_RS200:
  94         case CHIP_R200:
  95         case CHIP_RV250:
  96         case CHIP_RS300:
  97         case CHIP_RV280:
  98         case CHIP_R300:
  99         case CHIP_R350:
 100         case CHIP_RV350:
 101         case CHIP_RV380:
 102         case CHIP_R420:
 103         case CHIP_R423:
 104         case CHIP_RV410:
 105         case CHIP_RS400:
 106         case CHIP_RS480:
 107         case CHIP_RS600:
 108         case CHIP_RS690:
 109         case CHIP_RS740:
 110         case CHIP_RV515:
 111         case CHIP_R520:
 112         case CHIP_RV530:
 113         case CHIP_RV560:
 114         case CHIP_RV570:
 115         case CHIP_R580:
 116         case CHIP_CEDAR:
 117         case CHIP_REDWOOD:
 118         case CHIP_JUNIPER:
 119         case CHIP_CYPRESS:
 120         case CHIP_HEMLOCK:
 121         default:
 122                 R600_ERR("unknown or unsupported chipset 0x%04X\n", r600->device);
 123                 break;
 124         }
 125
 126         /* setup class */
 127         switch (r600->family) {
 128         case CHIP_R600:
 129         case CHIP_RV610:
 130         case CHIP_RV630:
 131         case CHIP_RV670:
 132         case CHIP_RV620:
 133         case CHIP_RV635:
 134         case CHIP_RS780:
 135         case CHIP_RS880:
 136                 r600->chip_class = R600;
 137                 break;
 138         case CHIP_RV770:
 139         case CHIP_RV730:
 140         case CHIP_RV710:
 141         case CHIP_RV740:
 142                 r600->chip_class = R700;
 143                 break;
 144         case CHIP_CEDAR:
 145         case CHIP_REDWOOD:
 146         case CHIP_JUNIPER:
 147         case CHIP_CYPRESS:
 148         case CHIP_HEMLOCK:
 149                 r600->chip_class = EVERGREEN;
 150                 break;
 151         default:
 152                 R600_ERR("unknown or unsupported chipset 0x%04X\n", r600->device);
 153                 break;
 154         }
 155
 156         return r600;
 157 }
 158
 159 void r600_delete(struct radeon *r600)
 160 {
 161         if (r600 == NULL)
 162                 return;
 163         drmClose(r600->fd);
 164         free(r600);
 165 }