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_dricommon.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;
50 intel_driver_init(VADriverContextP ctx)
52 struct intel_driver_data *intel = intel_driver_data(ctx);
53 struct dri_state *dri_state = (struct dri_state *)ctx->dri_state;
54 int has_exec2, has_bsd, has_blt;
57 assert(dri_state->driConnectedFlag == VA_DRI2 ||
58 dri_state->driConnectedFlag == VA_DRI1);
60 intel->fd = dri_state->fd;
61 intel->dri2Enabled = (dri_state->driConnectedFlag == VA_DRI2);
63 if (!intel->dri2Enabled) {
66 pSAREA = (drm_sarea_t *)dri_state->pSAREA;
67 intel->hHWContext = dri_state->hwContext;
68 intel->driHwLock = (drmLock *)(&pSAREA->lock);
69 intel->pPrivSarea = (void *)pSAREA + sizeof(drm_sarea_t);
73 pthread_mutex_init(&intel->ctxmutex, NULL);
75 intel_driver_get_param(intel, I915_PARAM_CHIPSET_ID, &intel->device_id);
76 if (intel_driver_get_param(intel, I915_PARAM_HAS_EXECBUF2, &has_exec2))
77 intel->has_exec2 = has_exec2;
78 if (intel_driver_get_param(intel, I915_PARAM_HAS_BSD, &has_bsd))
79 intel->has_bsd = has_bsd;
80 if (intel_driver_get_param(intel, I915_PARAM_HAS_BLT, &has_blt))
81 intel->has_blt = has_blt;
83 intel_memman_init(intel);
88 intel_driver_terminate(VADriverContextP ctx)
90 struct intel_driver_data *intel = intel_driver_data(ctx);
92 intel_memman_terminate(intel);
93 pthread_mutex_destroy(&intel->ctxmutex);
99 intel_lock_hardware(VADriverContextP ctx)
101 struct intel_driver_data *intel = intel_driver_data(ctx);
104 PPTHREAD_MUTEX_LOCK();
106 assert(!intel->locked);
108 if (!intel->dri2Enabled) {
109 DRM_CAS(intel->driHwLock,
111 (DRM_LOCK_HELD|intel->hHWContext),
115 drmGetLock(intel->fd, intel->hHWContext, 0);
123 intel_unlock_hardware(VADriverContextP ctx)
125 struct intel_driver_data *intel = intel_driver_data(ctx);
127 if (!intel->dri2Enabled) {
128 DRM_UNLOCK(intel->fd,
134 PPTHREAD_MUTEX_UNLOCK();