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/*
* Header for M-5MOLS 8M Pixel camera sensor with ISP
*
* Copyright (C) 2011 Samsung Electronics Co., Ltd.
* Author: HeungJun Kim <riverful.kim@samsung.com>
*
* Copyright (C) 2009 Samsung Electronics Co., Ltd.
* Author: Dongsoo Nathaniel Kim <dongsoo45.kim@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef M5MOLS_H
#define M5MOLS_H
#include <media/v4l2-subdev.h>
#include "m5mols_reg.h"
extern int m5mols_debug;
#define to_m5mols(__sd) container_of(__sd, struct m5mols_info, sd)
#define to_sd(__ctrl) \
(&container_of(__ctrl->handler, struct m5mols_info, handle)->sd)
enum m5mols_restype {
M5MOLS_RESTYPE_MONITOR,
M5MOLS_RESTYPE_CAPTURE,
M5MOLS_RESTYPE_MAX,
};
/**
* struct m5mols_resolution - structure for the resolution
* @type: resolution type according to the pixel code
* @width: width of the resolution
* @height: height of the resolution
* @reg: resolution preset register value
*/
struct m5mols_resolution {
u8 reg;
enum m5mols_restype type;
u16 width;
u16 height;
};
/**
* struct m5mols_exif - structure for the EXIF information of M-5MOLS
* @exposure_time: exposure time register value
* @shutter_speed: speed of the shutter register value
* @aperture: aperture register value
* @exposure_bias: it calls also EV bias
* @iso_speed: ISO register value
* @flash: status register value of the flash
* @sdr: status register value of the Subject Distance Range
* @qval: not written exact meaning in document
*/
struct m5mols_exif {
u32 exposure_time;
u32 shutter_speed;
u32 aperture;
u32 brightness;
u32 exposure_bias;
u16 iso_speed;
u16 flash;
u16 sdr;
u16 qval;
};
/**
* struct m5mols_capture - Structure for the capture capability
* @exif: EXIF information
* @main: size in bytes of the main image
* @thumb: size in bytes of the thumb image, if it was accompanied
* @total: total size in bytes of the produced image
*/
struct m5mols_capture {
struct m5mols_exif exif;
u32 main;
u32 thumb;
u32 total;
};
/**
* struct m5mols_scenemode - structure for the scenemode capability
* @metering: metering light register value
* @ev_bias: EV bias register value
* @wb_mode: mode which means the WhiteBalance is Auto or Manual
* @wb_preset: whitebalance preset register value in the Manual mode
* @chroma_en: register value whether the Chroma capability is enabled or not
* @chroma_lvl: chroma's level register value
* @edge_en: register value Whether the Edge capability is enabled or not
* @edge_lvl: edge's level register value
* @af_range: Auto Focus's range
* @fd_mode: Face Detection mode
* @mcc: Multi-axis Color Conversion which means emotion color
* @light: status of the Light
* @flash: status of the Flash
* @tone: Tone color which means Contrast
* @iso: ISO register value
* @capt_mode: Mode of the Image Stabilization while the camera capturing
* @wdr: Wide Dynamic Range register value
*
* The each value according to each scenemode is recommended in the documents.
*/
struct m5mols_scenemode {
u8 metering;
u8 ev_bias;
u8 wb_mode;
u8 wb_preset;
u8 chroma_en;
u8 chroma_lvl;
u8 edge_en;
u8 edge_lvl;
u8 af_range;
u8 fd_mode;
u8 mcc;
u8 light;
u8 flash;
u8 tone;
u8 iso;
u8 capt_mode;
u8 wdr;
};
/**
* struct m5mols_version - firmware version information
* @customer: customer information
* @project: version of project information according to customer
* @fw: firmware revision
* @hw: hardware revision
* @param: version of the parameter
* @awb: Auto WhiteBalance algorithm version
* @str: information about manufacturer and packaging vendor
* @af: Auto Focus version
*
* The register offset starts the customer version at 0x0, and it ends
* the awb version at 0x09. The customer, project information occupies 1 bytes
* each. And also the fw, hw, param, awb each requires 2 bytes. The str is
* unique string associated with firmware's version. It includes information
* about manufacturer and the vendor of the sensor's packaging. The least
* significant 2 bytes of the string indicate packaging manufacturer.
*/
#define VERSION_STRING_SIZE 22
struct m5mols_version {
u8 customer;
u8 project;
u16 fw;
u16 hw;
u16 param;
u16 awb;
u8 str[VERSION_STRING_SIZE];
u8 af;
};
/**
* struct m5mols_info - M-5MOLS driver data structure
* @pdata: platform data
* @sd: v4l-subdev instance
* @pad: media pad
* @ffmt: current fmt according to resolution type
* @res_type: current resolution type
* @code: current code
* @irq_waitq: waitqueue for the capture
* @work_irq: workqueue for the IRQ
* @flags: state variable for the interrupt handler
* @handle: control handler
* @autoexposure: Auto Exposure control
* @exposure: Exposure control
* @autowb: Auto White Balance control
* @colorfx: Color effect control
* @saturation: Saturation control
* @zoom: Zoom control
* @ver: information of the version
* @cap: the capture mode attributes
* @power: current sensor's power status
* @ctrl_sync: true means all controls of the sensor are initialized
* @int_capture: true means the capture interrupt is issued once
* @lock_ae: true means the Auto Exposure is locked
* @lock_awb: true means the Aut WhiteBalance is locked
* @resolution: register value for current resolution
* @interrupt: register value for current interrupt status
* @mode: register value for current operation mode
* @mode_save: register value for current operation mode for saving
* @set_power: optional power callback to the board code
*/
struct m5mols_info {
const struct m5mols_platform_data *pdata;
struct v4l2_subdev sd;
struct media_pad pad;
struct v4l2_mbus_framefmt ffmt[M5MOLS_RESTYPE_MAX];
int res_type;
enum v4l2_mbus_pixelcode code;
wait_queue_head_t irq_waitq;
struct work_struct work_irq;
unsigned long flags;
struct v4l2_ctrl_handler handle;
/* Autoexposure/exposure control cluster */
struct {
struct v4l2_ctrl *autoexposure;
struct v4l2_ctrl *exposure;
};
struct v4l2_ctrl *autowb;
struct v4l2_ctrl *colorfx;
struct v4l2_ctrl *saturation;
struct v4l2_ctrl *zoom;
struct m5mols_version ver;
struct m5mols_capture cap;
bool power;
bool ctrl_sync;
bool lock_ae;
bool lock_awb;
u8 resolution;
u8 interrupt;
u8 mode;
u8 mode_save;
int (*set_power)(struct device *dev, int on);
};
#define ST_CAPT_IRQ 0
#define is_powered(__info) (__info->power)
#define is_ctrl_synced(__info) (__info->ctrl_sync)
#define is_available_af(__info) (__info->ver.af)
#define is_code(__code, __type) (__code == m5mols_default_ffmt[__type].code)
#define is_manufacturer(__info, __manufacturer) \
(__info->ver.str[0] == __manufacturer[0] && \
__info->ver.str[1] == __manufacturer[1])
/*
* I2C operation of the M-5MOLS
*
* The I2C read operation of the M-5MOLS requires 2 messages. The first
* message sends the information about the command, command category, and total
* message size. The second message is used to retrieve the data specifed in
* the first message
*
* 1st message 2nd message
* +-------+---+----------+-----+-------+ +------+------+------+------+
* | size1 | R | category | cmd | size2 | | d[0] | d[1] | d[2] | d[3] |
* +-------+---+----------+-----+-------+ +------+------+------+------+
* - size1: message data size(5 in this case)
* - size2: desired buffer size of the 2nd message
* - d[0..3]: according to size2
*
* The I2C write operation needs just one message. The message includes
* category, command, total size, and desired data.
*
* 1st message
* +-------+---+----------+-----+------+------+------+------+
* | size1 | W | category | cmd | d[0] | d[1] | d[2] | d[3] |
* +-------+---+----------+-----+------+------+------+------+
* - d[0..3]: according to size1
*/
int m5mols_read_u8(struct v4l2_subdev *sd, u32 reg_comb, u8 *val);
int m5mols_read_u16(struct v4l2_subdev *sd, u32 reg_comb, u16 *val);
int m5mols_read_u32(struct v4l2_subdev *sd, u32 reg_comb, u32 *val);
int m5mols_write(struct v4l2_subdev *sd, u32 reg_comb, u32 val);
int m5mols_busy(struct v4l2_subdev *sd, u8 category, u8 cmd, u8 value);
/*
* Mode operation of the M-5MOLS
*
* Changing the mode of the M-5MOLS is needed right executing order.
* There are three modes(PARAMETER, MONITOR, CAPTURE) which can be changed
* by user. There are various categories associated with each mode.
*
* +============================================================+
* | mode | category |
* +============================================================+
* | FLASH | FLASH(only after Stand-by or Power-on) |
* | SYSTEM | SYSTEM(only after sensor arm-booting) |
* | PARAMETER | PARAMETER |
* | MONITOR | MONITOR(preview), Auto Focus, Face Detection |
* | CAPTURE | Single CAPTURE, Preview(recording) |
* +============================================================+
*
* The available executing order between each modes are as follows:
* PARAMETER <---> MONITOR <---> CAPTURE
*/
int m5mols_mode(struct m5mols_info *info, u8 mode);
int m5mols_enable_interrupt(struct v4l2_subdev *sd, u8 reg);
int m5mols_sync_controls(struct m5mols_info *info);
int m5mols_start_capture(struct m5mols_info *info);
int m5mols_do_scenemode(struct m5mols_info *info, u8 mode);
int m5mols_lock_3a(struct m5mols_info *info, bool lock);
int m5mols_set_ctrl(struct v4l2_ctrl *ctrl);
/* The firmware function */
int m5mols_update_fw(struct v4l2_subdev *sd,
int (*set_power)(struct m5mols_info *, bool));
#endif /* M5MOLS_H */
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