| Ramkumar Radhakrishnan | 47573e2 | 2012-11-07 11:36:41 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2012, The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are |
| 6 | * met: |
| 7 | * * Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * * Redistributions in binary form must reproduce the above |
| 10 | * copyright notice, this list of conditions and the following |
| 11 | * disclaimer in the documentation and/or other materials provided |
| 12 | * with the distribution. |
| 13 | * * Neither the name of The Linux Foundation nor the names of its |
| 14 | * contributors may be used to endorse or promote products derived |
| 15 | * from this software without specific prior written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| 18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| 21 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 24 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 25 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 26 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| 27 | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | */ |
| 29 | |
| 30 | #include <string.h> |
| 31 | #include <sys/mman.h> |
| 32 | #include <cutils/log.h> |
| 33 | #include <gralloc_priv.h> |
| 34 | #include "qdMetaData.h" |
| 35 | |
| 36 | int setMetaData(private_handle_t *handle, DispParamType paramType, |
| 37 | void *param) { |
| 38 | if (!handle) { |
| 39 | ALOGE("%s: Private handle is null!", __func__); |
| 40 | return -1; |
| 41 | } |
| 42 | if (handle->fd_metadata == -1) { |
| 43 | ALOGE("%s: Bad fd for extra data!", __func__); |
| 44 | return -1; |
| 45 | } |
| 46 | unsigned long size = ROUND_UP_PAGESIZE(sizeof(MetaData_t)); |
| 47 | void *base = mmap(NULL, size, PROT_READ|PROT_WRITE, MAP_SHARED, |
| 48 | handle->fd_metadata, 0); |
| 49 | if (!base) { |
| 50 | ALOGE("%s: mmap() failed: Base addr is NULL!", __func__); |
| 51 | return -1; |
| 52 | } |
| 53 | MetaData_t *data = reinterpret_cast <MetaData_t *>(base); |
| 54 | data->operation |= paramType; |
| 55 | switch (paramType) { |
| 56 | case PP_PARAM_HSIC: |
| 57 | memcpy((void *)&data->hsicData, param, sizeof(HSICData_t)); |
| 58 | break; |
| 59 | case PP_PARAM_SHARPNESS: |
| 60 | data->sharpness = *((int32_t *)param); |
| 61 | break; |
| 62 | case PP_PARAM_VID_INTFC: |
| 63 | data->video_interface = *((int32_t *)param); |
| 64 | break; |
| 65 | case PP_PARAM_INTERLACED: |
| 66 | data->interlaced = *((int32_t *)param); |
| 67 | break; |
| 68 | default: |
| 69 | ALOGE("Unknown paramType %d", paramType); |
| 70 | break; |
| 71 | } |
| 72 | if(munmap(base, size)) |
| 73 | ALOGE("%s: failed to unmap ptr 0x%x, err %d", __func__, (int)base, |
| 74 | errno); |
| 75 | return 0; |
| 76 | } |