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/*
* Copyright © 2009 Intel Corporation
*
* 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, sub license, 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS 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.
*
* Authors:
* Xiang Haihao <haihao.xiang@intel.com>
* Zou Nan hai <nanhai.zou@intel.com>
*
*/
#include <assert.h>
#include <va/va_drmcommon.h>
#include "intel_batchbuffer.h"
#include "intel_memman.h"
#include "intel_driver.h"
static Bool
intel_driver_get_param(struct intel_driver_data *intel, int param, int *value)
{
struct drm_i915_getparam gp;
gp.param = param;
gp.value = value;
return drmCommandWriteRead(intel->fd, DRM_I915_GETPARAM, &gp, sizeof(gp)) == 0;
}
static void intel_driver_get_revid(struct intel_driver_data *intel, int *value)
{
#define PCI_REVID 8
FILE *fp;
char config_data[16];
fp = fopen("/sys/devices/pci0000:00/0000:00:02.0/config", "r");
if (fp) {
if (fread(config_data, 1, 16, fp))
*value = config_data[PCI_REVID];
else
*value = 2; /* assume it is at least B-steping */
fclose(fp);
} else {
*value = 2; /* assume it is at least B-steping */
}
return;
}
bool
intel_driver_init(VADriverContextP ctx)
{
struct intel_driver_data *intel = intel_driver_data(ctx);
struct drm_state * const drm_state = (struct drm_state *)ctx->drm_state;
int has_exec2, has_bsd, has_blt;
assert(drm_state);
assert(drm_state->auth_type == VA_DRM_AUTH_DRI1 ||
drm_state->auth_type == VA_DRM_AUTH_DRI2 ||
drm_state->auth_type == VA_DRM_AUTH_CUSTOM);
intel->fd = drm_state->fd;
intel->dri2Enabled = (drm_state->auth_type == VA_DRM_AUTH_DRI2 ||
drm_state->auth_type == VA_DRM_AUTH_CUSTOM);
if (!intel->dri2Enabled) {
return false;
}
intel->locked = 0;
pthread_mutex_init(&intel->ctxmutex, NULL);
intel_driver_get_param(intel, I915_PARAM_CHIPSET_ID, &intel->device_id);
if (intel_driver_get_param(intel, I915_PARAM_HAS_EXECBUF2, &has_exec2))
intel->has_exec2 = has_exec2;
if (intel_driver_get_param(intel, I915_PARAM_HAS_BSD, &has_bsd))
intel->has_bsd = has_bsd;
if (intel_driver_get_param(intel, I915_PARAM_HAS_BLT, &has_blt))
intel->has_blt = has_blt;
intel_driver_get_revid(intel, &intel->revision);
intel_memman_init(intel);
return true;
}
void
intel_driver_terminate(VADriverContextP ctx)
{
struct intel_driver_data *intel = intel_driver_data(ctx);
intel_memman_terminate(intel);
pthread_mutex_destroy(&intel->ctxmutex);
}
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