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  1. /*
  2.  * Copyright © 2009 Intel Corporation
  3.  *
  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:
  11.  *
  12.  * The above copyright notice and this permission notice (including the
  13.  * next paragraph) shall be included in all copies or substantial portions
  14.  * of the Software.
  15.  *
  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.
  23.  *
  24.  * Authors:
  25.  *    Xiang Haihao <haihao.xiang@intel.com>
  26.  *    Zou Nan hai <nanhai.zou@intel.com>
  27.  *
  28.  */
  29.  
  30. #include "sysdeps.h"
  31. #include "intel_batchbuffer.h"
  32. #include "intel_memman.h"
  33. #include "intel_driver.h"
  34.  
  35. static Bool
  36. intel_driver_get_param(struct intel_driver_data *intel, int param, int *value)
  37. {
  38.    struct drm_i915_getparam gp;
  39.  
  40.    gp.param = param;
  41.    gp.value = value;
  42.  
  43.    return (drmIoctl(intel->fd, DRM_IOCTL_I915_GETPARAM, &gp) == 0);
  44.  
  45. }
  46.  
  47. static void intel_driver_get_revid(struct intel_driver_data *intel, int *value)
  48. {
  49.     *value = 2; /* assume it is at least  B-steping */
  50.  
  51.         return;
  52. }
  53.  
  54. Bool
  55. intel_driver_init(VADriverContextP ctx)
  56. {
  57.     struct intel_driver_data *intel = intel_driver_data(ctx);
  58.     struct drm_state * const drm_state = (struct drm_state *)ctx->drm_state;
  59.     int has_exec2, has_bsd, has_blt;
  60.  
  61.     assert(drm_state);
  62.     assert(VA_CHECK_DRM_AUTH_TYPE(ctx, VA_DRM_AUTH_DRI1) ||
  63.            VA_CHECK_DRM_AUTH_TYPE(ctx, VA_DRM_AUTH_DRI2) ||
  64.            VA_CHECK_DRM_AUTH_TYPE(ctx, VA_DRM_AUTH_CUSTOM));
  65.  
  66.    printf("%s context %p\n", __FUNCTION__, ctx);
  67.  
  68.     intel->fd = drm_state->fd;
  69.     intel->dri2Enabled = 1;
  70.    
  71.     intel->locked = 0;
  72. //    pthread_mutex_init(&intel->ctxmutex, NULL);
  73.  
  74.     intel_driver_get_param(intel, I915_PARAM_CHIPSET_ID, &intel->device_id);
  75.     if (intel_driver_get_param(intel, I915_PARAM_HAS_EXECBUF2, &has_exec2))
  76.         intel->has_exec2 = has_exec2;
  77.     if (intel_driver_get_param(intel, I915_PARAM_HAS_BSD, &has_bsd))
  78.         intel->has_bsd = has_bsd;
  79.     if (intel_driver_get_param(intel, I915_PARAM_HAS_BLT, &has_blt))
  80.         intel->has_blt = has_blt;
  81.    
  82.     printf("device_id=%x has_exec2=%d has_bsd=%d has_blt=%d\n",
  83.            intel->device_id, intel->has_exec2, intel->has_bsd, intel->has_blt);
  84.            
  85.     intel_driver_get_revid(intel, &intel->revision);
  86.     intel_memman_init(intel);
  87.     return True;
  88. }
  89.  
  90. Bool
  91. intel_driver_terminate(VADriverContextP ctx)
  92. {
  93.     struct intel_driver_data *intel = intel_driver_data(ctx);
  94.  
  95.     intel_memman_terminate(intel);
  96. //    pthread_mutex_destroy(&intel->ctxmutex);
  97.  
  98.     return True;
  99. }
  100.