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

   1 /*
   2  * Copyright © 2009 Jerome Glisse <glisse@freedesktop.org>
   3  *
   4  * This file is free software; you can redistribute it and/or modify
   5  * it under the terms of version 2 of the GNU General Public License
   6  * as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software Foundation,
  15  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
  16  */
  17 #include <stdio.h>
  18 #include <stdlib.h>
  19 #include <stdint.h>
  20 #include <unistd.h>
  21 #include <string.h>
  22 #include <errno.h>
  23 #include <pipebuffer/pb_bufmgr.h>
  24 #include "xf86drm.h"
  25 #include "radeon_priv.h"
  26 #include "radeon_drm.h"
  27
  28 enum radeon_family radeon_get_family(struct radeon *radeon)
  29 {
  30         return radeon->family;
  31 }
  32
  33 enum chip_class radeon_get_family_class(struct radeon *radeon)
  34 {
  35         return radeon->chip_class;
  36 }
  37
  38 void radeon_set_mem_constant(struct radeon *radeon, boolean state)
  39 {
  40         radeon->use_mem_constant = state;
  41 }
  42
  43 static int radeon_get_device(struct radeon *radeon)
  44 {
  45         struct drm_radeon_info info;
  46         int r;
  47
  48         radeon->device = 0;
  49         info.request = RADEON_INFO_DEVICE_ID;
  50         info.value = (uintptr_t)&radeon->device;
  51         r = drmCommandWriteRead(radeon->fd, DRM_RADEON_INFO, &info,
  52                         sizeof(struct drm_radeon_info));
  53         return r;
  54 }
  55
  56 struct radeon *radeon_new(int fd, unsigned device)
  57 {
  58         struct radeon *radeon;
  59         int r, i, id, j, k;
  60
  61         radeon = calloc(1, sizeof(*radeon));
  62         if (radeon == NULL) {
  63                 return NULL;
  64         }
  65         radeon->fd = fd;
  66         radeon->device = device;
  67         radeon->refcount = 1;
  68         if (fd >= 0) {
  69                 r = radeon_get_device(radeon);
  70                 if (r) {
  71                         fprintf(stderr, "Failed to get device id\n");
  72                         return radeon_decref(radeon);
  73                 }
  74         }
  75         radeon->family = radeon_family_from_device(radeon->device);
  76         if (radeon->family == CHIP_UNKNOWN) {
  77                 fprintf(stderr, "Unknown chipset 0x%04X\n", radeon->device);
  78                 return radeon_decref(radeon);
  79         }
  80         switch (radeon->family) {
  81         case CHIP_R600:
  82         case CHIP_RV610:
  83         case CHIP_RV630:
  84         case CHIP_RV670:
  85         case CHIP_RV620:
  86         case CHIP_RV635:
  87         case CHIP_RS780:
  88         case CHIP_RS880:
  89         case CHIP_RV770:
  90         case CHIP_RV730:
  91         case CHIP_RV710:
  92         case CHIP_RV740:
  93         case CHIP_CEDAR:
  94         case CHIP_REDWOOD:
  95         case CHIP_JUNIPER:
  96         case CHIP_CYPRESS:
  97         case CHIP_HEMLOCK:
  98                 if (r600_init(radeon)) {
  99                         return radeon_decref(radeon);
 100                 }
 101                 break;
 102         case CHIP_R100:
 103         case CHIP_RV100:
 104         case CHIP_RS100:
 105         case CHIP_RV200:
 106         case CHIP_RS200:
 107         case CHIP_R200:
 108         case CHIP_RV250:
 109         case CHIP_RS300:
 110         case CHIP_RV280:
 111         case CHIP_R300:
 112         case CHIP_R350:
 113         case CHIP_RV350:
 114         case CHIP_RV380:
 115         case CHIP_R420:
 116         case CHIP_R423:
 117         case CHIP_RV410:
 118         case CHIP_RS400:
 119         case CHIP_RS480:
 120         case CHIP_RS600:
 121         case CHIP_RS690:
 122         case CHIP_RS740:
 123         case CHIP_RV515:
 124         case CHIP_R520:
 125         case CHIP_RV530:
 126         case CHIP_RV560:
 127         case CHIP_RV570:
 128         case CHIP_R580:
 129         default:
 130                 fprintf(stderr, "%s unknown or unsupported chipset 0x%04X\n",
 131                         __func__, radeon->device);
 132                 break;
 133         }
 134
 135         /* setup class */
 136         switch (radeon->family) {
 137         case CHIP_R600:
 138         case CHIP_RV610:
 139         case CHIP_RV630:
 140         case CHIP_RV670:
 141         case CHIP_RV620:
 142         case CHIP_RV635:
 143         case CHIP_RS780:
 144         case CHIP_RS880:
 145                 radeon->chip_class = R600;
 146                 break;
 147         case CHIP_RV770:
 148         case CHIP_RV730:
 149         case CHIP_RV710:
 150         case CHIP_RV740:
 151                 radeon->chip_class = R700;
 152                 break;
 153         case CHIP_CEDAR:
 154         case CHIP_REDWOOD:
 155         case CHIP_JUNIPER:
 156         case CHIP_CYPRESS:
 157         case CHIP_HEMLOCK:
 158                 radeon->chip_class = EVERGREEN;
 159                 break;
 160         default:
 161                 fprintf(stderr, "%s unknown or unsupported chipset 0x%04X\n",
 162                         __func__, radeon->device);
 163                 break;
 164         }
 165
 166         radeon->mman = pb_malloc_bufmgr_create();
 167         if (!radeon->mman)
 168                 return NULL;
 169         radeon->kman = radeon_bo_pbmgr_create(radeon);
 170         if (!radeon->kman)
 171                 return NULL;
 172         radeon->cman = pb_cache_manager_create(radeon->kman, 100000);
 173         if (!radeon->cman)
 174                 return NULL;
 175         return radeon;
 176 }
 177
 178 struct radeon *radeon_incref(struct radeon *radeon)
 179 {
 180         if (radeon == NULL)
 181                 return NULL;
 182         radeon->refcount++;
 183         return radeon;
 184 }
 185
 186 struct radeon *radeon_decref(struct radeon *radeon)
 187 {
 188         if (radeon == NULL)
 189                 return NULL;
 190         if (--radeon->refcount > 0) {
 191                 return NULL;
 192         }
 193
 194         radeon->mman->destroy(radeon->mman);
 195         radeon->cman->destroy(radeon->cman);
 196         radeon->kman->destroy(radeon->kman);
 197         drmClose(radeon->fd);
 198         free(radeon);
 199         return NULL;
 200 }