2 * Copyright © 2009 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sub license, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
19 * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
20 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
21 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
22 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 * Xiang Haihao <haihao.xiang@intel.com>
26 * Zou Nan hai <nanhai.zou@intel.com>
32 #include <va/va_drmcommon.h>
34 #include "intel_batchbuffer.h"
35 #include "intel_memman.h"
36 #include "intel_driver.h"
39 intel_driver_get_param(struct intel_driver_data *intel, int param, int *value)
41 struct drm_i915_getparam gp;
46 return drmCommandWriteRead(intel->fd, DRM_I915_GETPARAM, &gp, sizeof(gp)) == 0;
49 static void intel_driver_get_revid(struct intel_driver_data *intel, int *value)
55 fp = fopen("/sys/devices/pci0000:00/0000:00:02.0/config", "r");
58 if (fread(config_data, 1, 16, fp))
59 *value = config_data[PCI_REVID];
61 *value = 2; /* assume it is at least B-steping */
64 *value = 2; /* assume it is at least B-steping */
71 intel_driver_init(VADriverContextP ctx)
73 struct intel_driver_data *intel = intel_driver_data(ctx);
74 struct drm_state * const drm_state = (struct drm_state *)ctx->drm_state;
75 int has_exec2, has_bsd, has_blt;
78 assert(drm_state->auth_type == VA_DRM_AUTH_DRI1 ||
79 drm_state->auth_type == VA_DRM_AUTH_DRI2 ||
80 drm_state->auth_type == VA_DRM_AUTH_CUSTOM);
82 intel->fd = drm_state->fd;
83 intel->dri2Enabled = (drm_state->auth_type == VA_DRM_AUTH_DRI2 ||
84 drm_state->auth_type == VA_DRM_AUTH_CUSTOM);
86 if (!intel->dri2Enabled) {
91 pthread_mutex_init(&intel->ctxmutex, NULL);
93 intel_driver_get_param(intel, I915_PARAM_CHIPSET_ID, &intel->device_id);
94 if (intel_driver_get_param(intel, I915_PARAM_HAS_EXECBUF2, &has_exec2))
95 intel->has_exec2 = has_exec2;
96 if (intel_driver_get_param(intel, I915_PARAM_HAS_BSD, &has_bsd))
97 intel->has_bsd = has_bsd;
98 if (intel_driver_get_param(intel, I915_PARAM_HAS_BLT, &has_blt))
99 intel->has_blt = has_blt;
101 intel_driver_get_revid(intel, &intel->revision);
102 intel_memman_init(intel);
107 intel_driver_terminate(VADriverContextP ctx)
109 struct intel_driver_data *intel = intel_driver_data(ctx);
111 intel_memman_terminate(intel);
112 pthread_mutex_destroy(&intel->ctxmutex);