| /* |
| * Copyright 2014 Ilia Mirkin |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| |
| #include <stdbool.h> |
| |
| bool is_nouveau_vieux(int fd); |
| |
| #ifdef HAVE_LIBDRM |
| |
| #include <stdlib.h> |
| #include <xf86drm.h> |
| #include <nouveau_drm.h> |
| |
| static int |
| nouveau_chipset(int fd) |
| { |
| struct drm_nouveau_getparam gp = { NOUVEAU_GETPARAM_CHIPSET_ID, 0 }; |
| int ret; |
| |
| ret = drmCommandWriteRead(fd, DRM_NOUVEAU_GETPARAM, &gp, sizeof(gp)); |
| if (ret) |
| return -1; |
| |
| return gp.value; |
| } |
| |
| bool |
| is_nouveau_vieux(int fd) |
| { |
| int chipset = nouveau_chipset(fd); |
| return (chipset > 0 && chipset < 0x30) || |
| (chipset < 0x40 && getenv("NOUVEAU_VIEUX") != NULL); |
| } |
| |
| #else |
| |
| bool is_nouveau_vieux(int fd) { return false; } |
| |
| #endif |