forked from KolibriOS/kolibrios
130 lines
4.0 KiB
C
130 lines
4.0 KiB
C
/*
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* Copyright © 2009 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Xiang Haihao <haihao.xiang@intel.com>
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* Zou Nan hai <nanhai.zou@intel.com>
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*
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*/
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#include "sysdeps.h"
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#include <va/va_drmcommon.h>
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#include "intel_batchbuffer.h"
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#include "intel_memman.h"
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#include "intel_driver.h"
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uint32_t g_intel_debug_option_flags = 0;
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static Bool
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intel_driver_get_param(struct intel_driver_data *intel, int param, int *value)
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{
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struct drm_i915_getparam gp;
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int ret;
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gp.param = param;
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gp.value = value;
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return drmIoctl(intel->fd, DRM_IOCTL_I915_GETPARAM, &gp) == 0;
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// return drmCommandWriteRead(intel->fd, DRM_I915_GETPARAM, &gp, sizeof(gp)) == 0;
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}
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static void intel_driver_get_revid(struct intel_driver_data *intel, int *value)
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{
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#if 0
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#define PCI_REVID 8
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FILE *fp;
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char config_data[16];
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fp = fopen("/sys/devices/pci0000:00/0000:00:02.0/config", "r");
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if (fp) {
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if (fread(config_data, 1, 16, fp))
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*value = config_data[PCI_REVID];
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else
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*value = 2; /* assume it is at least B-steping */
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fclose(fp);
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} else {
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*value = 2; /* assume it is at least B-steping */
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}
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#endif
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*value = 2;
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return;
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}
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extern const struct intel_device_info *i965_get_device_info(int devid);
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bool
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intel_driver_init(VADriverContextP ctx)
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{
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struct intel_driver_data *intel = intel_driver_data(ctx);
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struct drm_state * const drm_state = (struct drm_state *)ctx->drm_state;
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int has_exec2 = 0, has_bsd = 0, has_blt = 0, has_vebox = 0;
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char *env_str = NULL;
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g_intel_debug_option_flags = 0;
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// if ((env_str = getenv("VA_INTEL_DEBUG")))
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// g_intel_debug_option_flags = atoi(env_str);
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// if (g_intel_debug_option_flags)
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// fprintf(stderr, "g_intel_debug_option_flags:%x\n", g_intel_debug_option_flags);
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assert(drm_state);
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intel->fd = drm_state->fd;
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intel->dri2Enabled = 1;
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intel->locked = 0;
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// pthread_mutex_init(&intel->ctxmutex, NULL);
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intel_driver_get_param(intel, I915_PARAM_CHIPSET_ID, &intel->device_id);
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intel->device_info = i965_get_device_info(intel->device_id);
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if (!intel->device_info)
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return false;
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if (intel_driver_get_param(intel, I915_PARAM_HAS_EXECBUF2, &has_exec2))
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intel->has_exec2 = has_exec2;
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if (intel_driver_get_param(intel, I915_PARAM_HAS_BSD, &has_bsd))
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intel->has_bsd = has_bsd;
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if (intel_driver_get_param(intel, I915_PARAM_HAS_BLT, &has_blt))
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intel->has_blt = has_blt;
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if (intel_driver_get_param(intel, I915_PARAM_HAS_VEBOX, &has_vebox))
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intel->has_vebox = !!has_vebox;
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intel_driver_get_revid(intel, &intel->revision);
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intel_memman_init(intel);
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return true;
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}
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void
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intel_driver_terminate(VADriverContextP ctx)
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{
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struct intel_driver_data *intel = intel_driver_data(ctx);
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intel_memman_terminate(intel);
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// pthread_mutex_destroy(&intel->ctxmutex);
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}
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