1/*
2 * Copyright@ Samsung Electronics Co. LTD
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15*/
16
17#ifndef EXYNOS_GSC_H_
18#define EXYNOS_GSC_H_
19
20#ifdef __cplusplus
21extern "C" {
22#endif
23
24//#define LOG_NDEBUG 0
25#define LOG_TAG "libexynosgscaler"
26#include <cutils/log.h>
27
28#include <sys/types.h>
29#include <sys/ioctl.h>
30#include <linux/videodev2.h>
31#include <fcntl.h>
32#include <stdbool.h>
33#include <string.h>
34#include <unistd.h>
35#include <stdio.h>
36#include <stdlib.h>
37#include <time.h>
38#include <system/graphics.h>
39#include "exynos_gscaler.h"
40
41#include "exynos_format.h"
42#include "ExynosMutex.h"
43#include "exynos_v4l2.h"
44
45//#include "ExynosBuffer.h"
46
47#define NUM_OF_GSC_PLANES           (3)
48#define MAX_BUFFERS_GSCALER_OUT (3)
49#define GSCALER_SUBDEV_PAD_SINK     (0)
50#define GSCALER_SUBDEV_PAD_SOURCE   (1)
51#define MIXER_V_SUBDEV_PAD_SINK     (0)
52#define MIXER_V_SUBDEV_PAD_SOURCE   (3)
53#define FIMD_SUBDEV_PAD_SINK     (0)
54#define MAX_BUFFERS                 (6)
55
56#define NUM_OF_GSC_HW               (4)
57#define NODE_NUM_GSC_0              (23)
58#define NODE_NUM_GSC_1              (26)
59#define NODE_NUM_GSC_2              (29)
60#define NODE_NUM_GSC_3              (32)
61
62#define PFX_NODE_GSC                "/dev/video"
63#define PFX_NODE_MEDIADEV         "/dev/media"
64#define PFX_MXR_ENTITY              "s5p-mixer%d"
65#define PFX_FIMD_ENTITY             "s3c-fb-window%d"
66#define PFX_GSC_VIDEODEV_ENTITY   "exynos-gsc.%d.output"
67#define PFX_GSC_SUBDEV_ENTITY     "exynos-gsc-sd.%d"
68#define PFX_SUB_DEV		"/dev/v4l-subdev%d"
69#define GSC_VD_PAD_SOURCE	0
70#define GSC_SD_PAD_SINK	0
71#define GSC_SD_PAD_SOURCE	1
72#define GSC_OUT_PAD_SINK	0
73//#define GSC_OUT_DMA_BLOCKING
74//#define GSC_OUT_DELAYED_STREAMON
75
76#define GSC_VERSION GSC_EVT1
77
78#if (GSC_VERSION == GSC_EVT0)
79#define GSC_MIN_W_SIZE (64)
80#define GSC_MIN_H_SIZE (32)
81#else
82#define GSC_MIN_W_SIZE (32)
83#define GSC_MIN_H_SIZE (8)
84#endif
85
86#define MAX_GSC_WAITING_TIME_FOR_TRYLOCK (16000) // 16msec
87#define GSC_WAITING_TIME_FOR_TRYLOCK      (8000) //  8msec
88
89struct gsc_info {
90    unsigned int       width;
91    unsigned int       height;
92    unsigned int       crop_left;
93    unsigned int       crop_top;
94    unsigned int       crop_width;
95    unsigned int       crop_height;
96    unsigned int       v4l2_colorformat;
97    unsigned int       cacheable;
98    unsigned int       mode_drm;
99
100    int                rotation;
101    int                flip_horizontal;
102    int                flip_vertical;
103    bool               csc_range;
104    bool               dirty;
105
106    void              *addr[NUM_OF_GSC_PLANES];
107    int                acquireFenceFd;
108    int                releaseFenceFd;
109    bool               stream_on;
110
111    enum v4l2_buf_type buf_type;
112    struct v4l2_format format;
113    struct v4l2_buffer buffer;
114    bool               buffer_queued;
115    struct v4l2_plane  planes[NUM_OF_GSC_PLANES];
116    struct v4l2_crop   crop;
117    int             src_buf_idx;
118    int             qbuf_cnt;
119};
120
121struct GSC_HANDLE {
122    int              gsc_fd;
123    int              gsc_id;
124    struct gsc_info  src;
125    struct gsc_info  dst;
126    exynos_gsc_img   src_img;
127    exynos_gsc_img   dst_img;
128    void            *op_mutex;
129    void            *obj_mutex[NUM_OF_GSC_HW];
130    void            *cur_obj_mutex;
131    bool             destroy_cur_obj_mutex;
132    bool             flag_local_path;
133    bool             flag_exclusive_open;
134    struct media_device *media0;
135    struct media_entity *gsc_sd_entity;
136    struct media_entity *gsc_vd_entity;
137    struct media_entity *sink_sd_entity;
138    int     gsc_mode;
139    int     out_mode;
140    bool    allow_drm;
141    bool    protection_enabled;
142};
143
144extern int exynos_gsc_out_stop(void *handle);
145#ifdef __cplusplus
146}
147#endif
148
149#endif //__EXYNOS_MUTEX_H__
150