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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 using namespace android;
     41 
     42 #ifdef  LOG_TAG
     43 #undef  LOG_TAG
     44 #endif
     45 
     46 #define LOG_TAG "pvr_drv_video"
     47 
     48 static hw_module_t const *module;
     49 static gralloc_module_t *mAllocMod; /* get by force hw_module_t */
     50 
     51 int gralloc_lock(buffer_handle_t handle,
     52                 int usage, int left, int top, int width, int height,
     53                 void** vaddr)
     54 {
     55     int err, j;
     56 
     57     if (!mAllocMod) {
     58         ALOGW("%s: gralloc module has not been initialized. Should initialize it first", __func__);
     59         if (gralloc_init()) {
     60             ALOGE("%s: can't find the %s module", __func__, GRALLOC_HARDWARE_MODULE_ID);
     61             return -1;
     62         }
     63     }
     64 
     65     err = mAllocMod->lock(mAllocMod, handle, usage,
     66                           left, top, width, height,
     67                           vaddr);
     68     ALOGV("gralloc_lock: handle is %p, usage is %x, vaddr is %p.\n", handle, usage, *vaddr);
     69 
     70 //#ifdef BAYTRAIL
     71 #if 0
     72     unsigned char *tmp_buffer = (unsigned char *)(*vaddr);
     73     int dst_stride;
     74     if (width <= 512)
     75         dst_stride = 512;
     76     else if (width <= 1024)
     77         dst_stride = 1024;
     78     else if (width <= 1280)
     79         dst_stride = 1280;
     80     else if (width <= 2048)
     81         dst_stride = 2048;
     82 
     83     int align_h = 32;
     84     int dsth = (height + align_h - 1) & ~(align_h - 1);
     85     LOGD("width is %d, dst_stride is %d, dsth is %d.\n",
     86          width, dst_stride, dsth);
     87 
     88     for (j = 0; j < dst_stride * dsth * 3 / 2; j = j + 4096) {
     89         *(tmp_buffer + j) = 0xa5;
     90         if (*(tmp_buffer + j) !=  0xa5)
     91             LOGE("access page failed, width is %d, dst_stride is %d, dsth is %d.\n",
     92                  width, dst_stride, dsth);
     93     }
     94 #endif
     95     if (err){
     96         ALOGE("lock(...) failed %d (%s).\n", err, strerror(-err));
     97         return -1;
     98     } else {
     99         ALOGV("lock returned with address %p\n", *vaddr);
    100     }
    101 
    102     return err;
    103 }
    104 
    105 int gralloc_unlock(buffer_handle_t handle)
    106 {
    107     int err;
    108 
    109     if (!mAllocMod) {
    110         ALOGW("%s: gralloc module has not been initialized. Should initialize it first", __func__);
    111         if (gralloc_init()) {
    112             ALOGE("%s: can't find the %s module", __func__, GRALLOC_HARDWARE_MODULE_ID);
    113             return -1;
    114         }
    115     }
    116 
    117     err = mAllocMod->unlock(mAllocMod, handle);
    118     if (err) {
    119         ALOGE("unlock(...) failed %d (%s)", err, strerror(-err));
    120         return -1;
    121     } else {
    122         ALOGV("unlock returned\n");
    123     }
    124 
    125     return err;
    126 }
    127 
    128 int gralloc_init(void)
    129 {
    130     int err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module);
    131     if (err) {
    132         ALOGE("FATAL: can't find the %s module", GRALLOC_HARDWARE_MODULE_ID);
    133         return -1;
    134     } else
    135         ALOGD("hw_get_module returned\n");
    136     mAllocMod = (gralloc_module_t *)module;
    137 
    138     return 0;
    139 }
    140 
    141 int gralloc_getdisplaystatus(buffer_handle_t handle,  int* status)
    142 {
    143     int err;
    144 #ifndef BAYTRAIL
    145     int (*get_display_status)(gralloc_module_t*, buffer_handle_t, int*);
    146 
    147     get_display_status = (int (*)(gralloc_module_t*, buffer_handle_t, int*))(mAllocMod->reserved_proc[0]);
    148     if (get_display_status == NULL) {
    149         ALOGE("can't get gralloc_getdisplaystatus(...) \n");
    150         return -1;
    151     }
    152     err = (*get_display_status)(mAllocMod, handle, status);
    153 #else
    154     err = 0;
    155     *status = mAllocMod->perform(mAllocMod, INTEL_UFO_GRALLOC_MODULE_PERFORM_GET_BO_STATUS, handle);
    156 #endif
    157     if (err){
    158         ALOGE("gralloc_getdisplaystatus(...) failed %d (%s).\n", err, strerror(-err));
    159         return -1;
    160     }
    161 
    162     return err;
    163 }
    164