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      1 /*
      2  * Copyright (c) 2011 Intel Corporation. All Rights Reserved.
      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  *    Fei Jiang  <fei.jiang (at) intel.com>
     26  *    Austin Yuan <austin.yuan (at) intel.com>
     27  *
     28  */
     29 
     30 #include "android/psb_gralloc.h"
     31 #include <cutils/log.h>
     32 #include <utils/threads.h>
     33 #include <ui/PixelFormat.h>
     34 #include <hardware/gralloc.h>
     35 #include <system/graphics.h>
     36 #include <hardware/hardware.h>
     37 #ifdef BAYTRAIL
     38 #include <ufo/gralloc.h>
     39 #endif
     40 #ifndef BAYTRAIL
     41 #include <hal/hal_public.h>
     42 #endif
     43 
     44 using namespace android;
     45 
     46 #ifdef  LOG_TAG
     47 #undef  LOG_TAG
     48 #endif
     49 
     50 #define LOG_TAG "pvr_drv_video"
     51 
     52 static hw_module_t const *module;
     53 static gralloc_module_t *mAllocMod; /* get by force hw_module_t */
     54 
     55 int gralloc_lock(buffer_handle_t handle,
     56                 int usage, int left, int top, int width, int height,
     57                 void** vaddr)
     58 {
     59     int err, j;
     60 
     61     if (!mAllocMod) {
     62         ALOGW("%s: gralloc module has not been initialized. Should initialize it first", __func__);
     63         if (gralloc_init()) {
     64             ALOGE("%s: can't find the %s module", __func__, GRALLOC_HARDWARE_MODULE_ID);
     65             return -1;
     66         }
     67     }
     68 
     69     err = mAllocMod->lock(mAllocMod, handle, usage,
     70                           left, top, width, height,
     71                           vaddr);
     72     ALOGV("gralloc_lock: handle is %p, usage is %x, vaddr is %p.\n", handle, usage, *vaddr);
     73 
     74 //#ifdef BAYTRAIL
     75 #if 0
     76     unsigned char *tmp_buffer = (unsigned char *)(*vaddr);
     77     int dst_stride;
     78     if (width <= 512)
     79         dst_stride = 512;
     80     else if (width <= 1024)
     81         dst_stride = 1024;
     82     else if (width <= 1280)
     83         dst_stride = 1280;
     84     else if (width <= 2048)
     85         dst_stride = 2048;
     86 
     87     int align_h = 32;
     88     int dsth = (height + align_h - 1) & ~(align_h - 1);
     89     LOGD("width is %d, dst_stride is %d, dsth is %d.\n",
     90          width, dst_stride, dsth);
     91 
     92     for (j = 0; j < dst_stride * dsth * 3 / 2; j = j + 4096) {
     93         *(tmp_buffer + j) = 0xa5;
     94         if (*(tmp_buffer + j) !=  0xa5)
     95             LOGE("access page failed, width is %d, dst_stride is %d, dsth is %d.\n",
     96                  width, dst_stride, dsth);
     97     }
     98 #endif
     99     if (err){
    100         ALOGE("lock(...) failed %d (%s).\n", err, strerror(-err));
    101         return -1;
    102     } else {
    103         ALOGV("lock returned with address %p\n", *vaddr);
    104     }
    105 
    106     return err;
    107 }
    108 
    109 int gralloc_unlock(buffer_handle_t handle)
    110 {
    111     int err;
    112 
    113     if (!mAllocMod) {
    114         ALOGW("%s: gralloc module has not been initialized. Should initialize it first", __func__);
    115         if (gralloc_init()) {
    116             ALOGE("%s: can't find the %s module", __func__, GRALLOC_HARDWARE_MODULE_ID);
    117             return -1;
    118         }
    119     }
    120 
    121     err = mAllocMod->unlock(mAllocMod, handle);
    122     if (err) {
    123         ALOGE("unlock(...) failed %d (%s)", err, strerror(-err));
    124         return -1;
    125     } else {
    126         ALOGV("unlock returned\n");
    127     }
    128 
    129     return err;
    130 }
    131 
    132 int gralloc_init(void)
    133 {
    134     int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module);
    135     if (err) {
    136         ALOGE("FATAL: can't find the %s module", GRALLOC_HARDWARE_MODULE_ID);
    137         return -1;
    138     } else
    139         ALOGD("hw_get_module returned\n");
    140     mAllocMod = (gralloc_module_t *)module;
    141 
    142     return 0;
    143 }
    144 
    145 int gralloc_getdisplaystatus(buffer_handle_t handle,  int* status)
    146 {
    147     int err;
    148 #ifndef BAYTRAIL
    149     uint32_t _status = 0U;
    150     err = mAllocMod->perform(mAllocMod, GRALLOC_MODULE_GET_DISPLAY_STATUS_IMG, handle, &_status);
    151     *status = (int)_status;
    152 #else
    153     err = 0;
    154     *status = mAllocMod->perform(mAllocMod, INTEL_UFO_GRALLOC_MODULE_PERFORM_GET_BO_STATUS, handle);
    155 #endif
    156     if (err){
    157         ALOGE("gralloc_getdisplaystatus(...) failed %d (%s).\n", err, strerror(-err));
    158         return -1;
    159     }
    160 
    161     return err;
    162 }
    163 
    164 int gralloc_getbuffd(buffer_handle_t handle)
    165 {
    166     return ((IMG_native_handle_t*)handle)->fd[0];
    167 }
    168