1409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan/* 2409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * va_drm_utils.c - VA/DRM Utilities 3409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * 4409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * Copyright (c) 2012 Intel Corporation. All Rights Reserved. 5409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * 6409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * Permission is hereby granted, free of charge, to any person obtaining a 7409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * copy of this software and associated documentation files (the 8409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * "Software"), to deal in the Software without restriction, including 9409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * without limitation the rights to use, copy, modify, merge, publish, 10409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * distribute, sub license, and/or sell copies of the Software, and to 11409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * permit persons to whom the Software is furnished to do so, subject to 12409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * the following conditions: 13409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * 14409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * The above copyright notice and this permission notice (including the 15409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * next paragraph) shall be included in all copies or substantial portions 16409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * of the Software. 17409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * 18409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE LIABLE FOR 22409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan */ 26409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan 27409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan#include "sysdeps.h" 28409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan#include <xf86drm.h> 29409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan#include "va_drm_utils.h" 30409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan#include "va_drmcommon.h" 31409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan 32409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuanstruct driver_name_map { 33409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan const char *key; 34409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan int key_len; 35409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan const char *name; 36409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan}; 37409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan 38409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuanstatic const struct driver_name_map g_driver_name_map[] = { 39409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan { "i915", 4, "i965" }, // Intel OTC GenX driver 40409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan { "pvrsrvkm", 8, "pvr" }, // Intel UMG PVR driver 41409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan { "emgd", 4, "emgd" }, // Intel ECG PVR driver 42409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan { NULL, } 43409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan}; 44409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan 45409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan/* Returns the VA driver name for the active display */ 46409de6acb4473c973ed2532e340831dc582e5e0eAustin YuanVAStatus 47409de6acb4473c973ed2532e340831dc582e5e0eAustin YuanVA_DRM_GetDriverName(VADriverContextP ctx, char **driver_name_ptr) 48409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan{ 49409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan struct drm_state * const drm_state = ctx->drm_state; 50409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan drmVersionPtr drm_version; 51409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan char *driver_name = NULL; 52409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan const struct driver_name_map *m; 53409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan 54409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan *driver_name_ptr = NULL; 55409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan 56409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan if (!drm_state || drm_state->fd < 0) 57409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan return VA_STATUS_ERROR_INVALID_DISPLAY; 58409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan 59409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan drm_version = drmGetVersion(drm_state->fd); 60409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan if (!drm_version) 61409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan return VA_STATUS_ERROR_UNKNOWN; 62409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan 63409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan for (m = g_driver_name_map; m->key != NULL; m++) { 64409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan if (drm_version->name_len >= m->key_len && 65409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan strncmp(drm_version->name, m->key, m->key_len) == 0) 66409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan break; 67409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan } 68409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan drmFreeVersion(drm_version); 69409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan 70409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan if (!m->name) 71409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan return VA_STATUS_ERROR_UNKNOWN; 72409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan 73409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan driver_name = strdup(m->name); 74409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan if (!driver_name) 75409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan return VA_STATUS_ERROR_ALLOCATION_FAILED; 76409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan 77409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan *driver_name_ptr = driver_name; 78409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan return VA_STATUS_SUCCESS; 79409de6acb4473c973ed2532e340831dc582e5e0eAustin Yuan} 80