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/*
* Copyright 2004-2014 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
/*!
* @defgroup MXC_V4L2_CAPTURE MXC V4L2 Video Capture Driver
*/
/*!
* @file mxc_v4l2_capture.h
*
* @brief mxc V4L2 capture device API Header file
*
* It include all the defines for frame operations, also three structure defines
* use case ops structure, common v4l2 driver structure and frame structure.
*
* @ingroup MXC_V4L2_CAPTURE
*/
#ifndef __MXC_V4L2_CAPTURE_H__
#define __MXC_V4L2_CAPTURE_H__
#include <linux/uaccess.h>
#include <linux/list.h>
#include <linux/mxc_v4l2.h>
#include <linux/completion.h>
#include <linux/dmaengine.h>
#include <linux/pxp_dma.h>
#include <linux/ipu-v3.h>
#include <linux/platform_data/dma-imx.h>
#include <media/v4l2-dev.h>
#include "v4l2-int-device.h"
#define FRAME_NUM 10
#define MXC_SENSOR_NUM 2
enum imx_v4l2_devtype {
IMX5_V4L2,
IMX6_V4L2,
};
/*!
* v4l2 frame structure.
*/
struct mxc_v4l_frame {
u32 paddress;
void *vaddress;
int count;
int width;
int height;
struct v4l2_buffer buffer;
struct list_head queue;
int index;
union {
int ipu_buf_num;
int csi_buf_num;
};
};
/* Only for old version. Will go away soon. */
typedef struct {
u8 clk_mode;
u8 ext_vsync;
u8 Vsync_pol;
u8 Hsync_pol;
u8 pixclk_pol;
u8 data_pol;
u8 data_width;
u8 pack_tight;
u8 force_eof;
u8 data_en_pol;
u16 width;
u16 height;
u32 pixel_fmt;
u32 mclk;
u16 active_width;
u16 active_height;
} sensor_interface;
/* Sensor control function */
/* Only for old version. Will go away soon. */
struct camera_sensor {
void (*set_color) (int bright, int saturation, int red, int green,
int blue);
void (*get_color) (int *bright, int *saturation, int *red, int *green,
int *blue);
void (*set_ae_mode) (int ae_mode);
void (*get_ae_mode) (int *ae_mode);
sensor_interface *(*config) (int *frame_rate, int high_quality);
sensor_interface *(*reset) (void);
void (*get_std) (v4l2_std_id *std);
void (*set_std) (v4l2_std_id std);
unsigned int csi;
};
/*!
* common v4l2 driver structure.
*/
typedef struct _cam_data {
struct video_device *video_dev;
int device_type;
/* semaphore guard against SMP multithreading */
struct semaphore busy_lock;
int open_count;
struct delayed_work power_down_work;
int power_on;
/* params lock for this camera */
struct semaphore param_lock;
/* Encoder */
struct list_head ready_q;
struct list_head done_q;
struct list_head working_q;
int ping_pong_csi;
spinlock_t queue_int_lock;
spinlock_t dqueue_int_lock;
struct mxc_v4l_frame frame[FRAME_NUM];
struct mxc_v4l_frame dummy_frame;
wait_queue_head_t enc_queue;
int enc_counter;
dma_addr_t rot_enc_bufs[2];
void *rot_enc_bufs_vaddr[2];
int rot_enc_buf_size[2];
enum v4l2_buf_type type;
/* still image capture */
wait_queue_head_t still_queue;
int still_counter;
dma_addr_t still_buf[2];
void *still_buf_vaddr;
/* overlay */
struct v4l2_window win;
struct v4l2_framebuffer v4l2_fb;
dma_addr_t vf_bufs[2];
void *vf_bufs_vaddr[2];
int vf_bufs_size[2];
dma_addr_t rot_vf_bufs[2];
void *rot_vf_bufs_vaddr[2];
int rot_vf_buf_size[2];
bool overlay_active;
int output;
struct fb_info *overlay_fb;
int fb_origin_std;
struct work_struct csi_work_struct;
/* v4l2 format */
struct v4l2_format v2f;
struct v4l2_format input_fmt; /* camera in */
bool bswapenable;
int rotation; /* for IPUv1 and IPUv3, this means encoder rotation */
int vf_rotation; /* viewfinder rotation only for IPUv1 and IPUv3 */
struct v4l2_mxc_offset offset;
/* V4l2 control bit */
int bright;
int hue;
int contrast;
int saturation;
int red;
int green;
int blue;
int ae_mode;
/* standard */
struct v4l2_streamparm streamparm;
struct v4l2_standard standard;
bool standard_autodetect;
/* crop */
struct v4l2_rect crop_bounds;
struct v4l2_rect crop_defrect;
struct v4l2_rect crop_current;
int (*enc_update_eba) (struct ipu_soc *ipu, dma_addr_t eba,
int *bufferNum);
int (*enc_enable) (void *private);
int (*enc_disable) (void *private);
int (*enc_enable_csi) (void *private);
int (*enc_disable_csi) (void *private);
void (*enc_callback) (u32 mask, void *dev);
int (*vf_start_adc) (void *private);
int (*vf_stop_adc) (void *private);
int (*vf_start_sdc) (void *private);
int (*vf_stop_sdc) (void *private);
int (*vf_enable_csi) (void *private);
int (*vf_disable_csi) (void *private);
int (*csi_start) (void *private);
int (*csi_stop) (void *private);
/* misc status flag */
bool overlay_on;
bool capture_on;
int overlay_pid;
int capture_pid;
bool low_power;
wait_queue_head_t power_queue;
unsigned int ipu_id;
unsigned int csi;
u8 mclk_source;
bool mclk_on[2]; /* two mclk sources at most now */
int current_input;
int local_buf_num;
/* camera sensor interface */
struct camera_sensor *cam_sensor; /* old version */
struct v4l2_int_device *all_sensors[MXC_SENSOR_NUM];
struct v4l2_int_device *sensor;
struct v4l2_int_device *self;
int sensor_index;
void *ipu;
void *csi_soc;
enum imx_v4l2_devtype devtype;
/* v4l2 buf elements related to PxP DMA */
struct completion pxp_tx_cmpl;
struct pxp_channel *pxp_chan;
struct pxp_config_data pxp_conf;
struct dma_async_tx_descriptor *txd;
dma_cookie_t cookie;
struct scatterlist sg[2];
} cam_data;
struct sensor_data {
const struct ov5642_platform_data *platform_data;
struct v4l2_int_device *v4l2_int_device;
struct i2c_client *i2c_client;
struct v4l2_pix_format pix;
struct v4l2_captureparm streamcap;
bool on;
/* control settings */
int brightness;
int hue;
int contrast;
int saturation;
int red;
int green;
int blue;
int ae_mode;
u32 mclk;
u8 mclk_source;
struct clk *sensor_clk;
int ipu_id;
int csi;
int mipi_camera; /* 0: parallel camera hw if, != 0: mipi csi hw if */
void (*io_init)(void);
};
void set_mclk_rate(uint32_t *p_mclk_freq, uint32_t csi);
void mxc_camera_common_lock(void);
void mxc_camera_common_unlock(void);
#endif /* __MXC_V4L2_CAPTURE_H__ */
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