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/*
* Copyright@ Samsung Electronics Co. LTD
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _S5P_FIMC_H_
#define _S5P_FIMC_H_
#include <linux/videodev2.h>
/*
* G E N E R A L S
*
*/
#define MIN(x, y) ((x < y) ? x : y)
/*
* P I X E L F O R M A T G U I D E
*
* The 'x' means 'DO NOT CARE'
* The '*' means 'FIMC SPECIFIC'
* For some fimc formats, we couldn't find equivalent format in the V4L2 FOURCC.
*
* FIMC TYPE PLANES ORDER V4L2_PIX_FMT
* ---------------------------------------------------------
* RGB565 x x V4L2_PIX_FMT_RGB565
* RGB888 x x V4L2_PIX_FMT_RGB24
* YUV420 2 LSB_CBCR V4L2_PIX_FMT_NV12
* YUV420 2 LSB_CRCB V4L2_PIX_FMT_NV21
* YUV420 2 MSB_CBCR V4L2_PIX_FMT_NV21X*
* YUV420 2 MSB_CRCB V4L2_PIX_FMT_NV12X*
* YUV420 3 x V4L2_PIX_FMT_YUV420
* YUV422 1 YCBYCR V4L2_PIX_FMT_YUYV
* YUV422 1 YCRYCB V4L2_PIX_FMT_YVYU
* YUV422 1 CBYCRY V4L2_PIX_FMT_UYVY
* YUV422 1 CRYCBY V4L2_PIX_FMT_VYUY*
* YUV422 2 LSB_CBCR V4L2_PIX_FMT_NV16*
* YUV422 2 LSB_CRCB V4L2_PIX_FMT_NV61*
* YUV422 2 MSB_CBCR V4L2_PIX_FMT_NV16X*
* YUV422 2 MSB_CRCB V4L2_PIX_FMT_NV61X*
* YUV422 3 x V4L2_PIX_FMT_YUV422P
*
*/
/*
* V 4 L 2 F I M C E X T E N S I O N S
*
*/
#define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U')
/* FOURCC for FIMC specific */
#define V4L2_PIX_FMT_NV12X v4l2_fourcc('N', '1', '2', 'X')
#define V4L2_PIX_FMT_NV21X v4l2_fourcc('N', '2', '1', 'X')
#define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y')
#define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6')
#define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1')
#define V4L2_PIX_FMT_NV16X v4l2_fourcc('N', '1', '6', 'X')
#define V4L2_PIX_FMT_NV61X v4l2_fourcc('N', '6', '1', 'X')
#define V4L2_PIX_FMT_NV12T v4l2_fourcc('T', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */
/* CID extensions */
#define V4L2_CID_ROTATION (V4L2_CID_PRIVATE_BASE + 0)
#define V4L2_CID_RESERVED_MEM_BASE_ADDR (V4L2_CID_PRIVATE_BASE + 20)
#define V4L2_CID_FIMC_VERSION (V4L2_CID_PRIVATE_BASE + 21)
/*
* U S E R D E F I N E D T Y P E S
*
*/
typedef unsigned int dma_addr_t;
struct fimc_buf {
dma_addr_t base[3];
size_t length[3];
};
struct fimc_buffer {
void *virt_addr;
void *phys_addr;
size_t length;
};
struct yuv_fmt_list {
const char *name;
const char *desc;
unsigned int fmt;
int bpp;
int planes;
};
struct img_offset {
int y_h;
int y_v;
int cb_h;
int cb_v;
int cr_h;
int cr_v;
};
//------------ STRUCT ---------------------------------------------------------//
typedef struct
{
unsigned int full_width; // Source Image Full Width (Virtual screen size)
unsigned int full_height; // Source Image Full Height (Virtual screen size)
unsigned int start_x; // Source Image Start width offset
unsigned int start_y; // Source Image Start height offset
unsigned int width; // Source Image Width
unsigned int height; // Source Image Height
unsigned int buf_addr_phy_rgb_y; // Base Address of the Source Image (RGB or Y): Physical Address
unsigned int buf_addr_phy_cb; // Base Address of the Source Image (CB Component) : Physical Address
unsigned int buf_addr_phy_cr; // Base Address of the Source Image (CR Component) : Physical Address
unsigned int color_space; // Color Space of the Source Image
} s5p_fimc_img_info;
typedef struct
{
s5p_fimc_img_info src;
s5p_fimc_img_info dst;
} s5p_fimc_params_t;
typedef struct _s5p_fimc_t {
int dev_fd;
struct fimc_buffer out_buf;
s5p_fimc_params_t params;
int use_ext_out_mem;
unsigned int hw_ver;
}s5p_fimc_t;
//------------------------ functions for v4l2 ------------------------------//
int fimc_v4l2_set_src(int fd, unsigned int hw_ver, s5p_fimc_img_info *src);
int fimc_v4l2_set_dst(int fd, s5p_fimc_img_info *dst, int rotation, unsigned int addr);
int fimc_v4l2_stream_on(int fd, enum v4l2_buf_type type);
int fimc_v4l2_queue(int fd, struct fimc_buf *fimc_buf);
int fimc_v4l2_dequeue(int fd);
int fimc_v4l2_stream_off(int fd);
int fimc_v4l2_clr_buf(int fd);
int fimc_handle_oneshot(int fd, struct fimc_buf *fimc_buf);
#endif
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