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Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
345 lines
11 KiB
C
345 lines
11 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Header for M-5MOLS 8M Pixel camera sensor with ISP
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*
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* Copyright (C) 2011 Samsung Electronics Co., Ltd.
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* Author: HeungJun Kim <riverful.kim@samsung.com>
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*
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* Copyright (C) 2009 Samsung Electronics Co., Ltd.
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* Author: Dongsoo Nathaniel Kim <dongsoo45.kim@samsung.com>
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*/
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#ifndef M5MOLS_H
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#define M5MOLS_H
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#include <linux/sizes.h>
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#include <media/v4l2-subdev.h>
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#include "m5mols_reg.h"
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/* An amount of data transmitted in addition to the value
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* determined by CAPP_JPEG_SIZE_MAX register.
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*/
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#define M5MOLS_JPEG_TAGS_SIZE 0x20000
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#define M5MOLS_MAIN_JPEG_SIZE_MAX (5 * SZ_1M)
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extern int m5mols_debug;
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enum m5mols_restype {
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M5MOLS_RESTYPE_MONITOR,
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M5MOLS_RESTYPE_CAPTURE,
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M5MOLS_RESTYPE_MAX,
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};
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/**
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* struct m5mols_resolution - structure for the resolution
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* @type: resolution type according to the pixel code
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* @width: width of the resolution
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* @height: height of the resolution
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* @reg: resolution preset register value
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*/
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struct m5mols_resolution {
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u8 reg;
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enum m5mols_restype type;
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u16 width;
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u16 height;
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};
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/**
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* struct m5mols_exif - structure for the EXIF information of M-5MOLS
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* @exposure_time: exposure time register value
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* @shutter_speed: speed of the shutter register value
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* @aperture: aperture register value
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* @exposure_bias: it calls also EV bias
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* @iso_speed: ISO register value
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* @flash: status register value of the flash
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* @sdr: status register value of the Subject Distance Range
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* @qval: not written exact meaning in document
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*/
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struct m5mols_exif {
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u32 exposure_time;
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u32 shutter_speed;
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u32 aperture;
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u32 brightness;
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u32 exposure_bias;
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u16 iso_speed;
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u16 flash;
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u16 sdr;
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u16 qval;
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};
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/**
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* struct m5mols_capture - Structure for the capture capability
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* @exif: EXIF information
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* @buf_size: internal JPEG frame buffer size, in bytes
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* @main: size in bytes of the main image
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* @thumb: size in bytes of the thumb image, if it was accompanied
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* @total: total size in bytes of the produced image
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*/
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struct m5mols_capture {
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struct m5mols_exif exif;
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unsigned int buf_size;
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u32 main;
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u32 thumb;
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u32 total;
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};
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/**
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* struct m5mols_scenemode - structure for the scenemode capability
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* @metering: metering light register value
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* @ev_bias: EV bias register value
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* @wb_mode: mode which means the WhiteBalance is Auto or Manual
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* @wb_preset: whitebalance preset register value in the Manual mode
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* @chroma_en: register value whether the Chroma capability is enabled or not
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* @chroma_lvl: chroma's level register value
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* @edge_en: register value Whether the Edge capability is enabled or not
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* @edge_lvl: edge's level register value
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* @af_range: Auto Focus's range
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* @fd_mode: Face Detection mode
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* @mcc: Multi-axis Color Conversion which means emotion color
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* @light: status of the Light
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* @flash: status of the Flash
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* @tone: Tone color which means Contrast
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* @iso: ISO register value
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* @capt_mode: Mode of the Image Stabilization while the camera capturing
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* @wdr: Wide Dynamic Range register value
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*
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* The each value according to each scenemode is recommended in the documents.
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*/
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struct m5mols_scenemode {
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u8 metering;
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u8 ev_bias;
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u8 wb_mode;
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u8 wb_preset;
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u8 chroma_en;
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u8 chroma_lvl;
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u8 edge_en;
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u8 edge_lvl;
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u8 af_range;
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u8 fd_mode;
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u8 mcc;
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u8 light;
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u8 flash;
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u8 tone;
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u8 iso;
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u8 capt_mode;
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u8 wdr;
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};
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/**
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* struct m5mols_version - firmware version information
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* @customer: customer information
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* @project: version of project information according to customer
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* @fw: firmware revision
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* @hw: hardware revision
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* @param: version of the parameter
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* @awb: Auto WhiteBalance algorithm version
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* @str: information about manufacturer and packaging vendor
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* @af: Auto Focus version
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*
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* The register offset starts the customer version at 0x0, and it ends
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* the awb version at 0x09. The customer, project information occupies 1 bytes
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* each. And also the fw, hw, param, awb each requires 2 bytes. The str is
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* unique string associated with firmware's version. It includes information
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* about manufacturer and the vendor of the sensor's packaging. The least
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* significant 2 bytes of the string indicate packaging manufacturer.
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*/
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#define VERSION_STRING_SIZE 22
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struct m5mols_version {
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u8 customer;
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u8 project;
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u16 fw;
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u16 hw;
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u16 param;
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u16 awb;
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u8 str[VERSION_STRING_SIZE];
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u8 af;
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};
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/**
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* struct m5mols_info - M-5MOLS driver data structure
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* @pdata: platform data
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* @sd: v4l-subdev instance
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* @pad: media pad
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* @irq_waitq: waitqueue for the capture
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* @irq_done: set to 1 in the interrupt handler
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* @handle: control handler
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* @auto_exposure: auto/manual exposure control
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* @exposure_bias: exposure compensation control
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* @exposure: manual exposure control
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* @metering: exposure metering control
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* @auto_iso: auto/manual ISO sensitivity control
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* @iso: manual ISO sensitivity control
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* @auto_wb: auto white balance control
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* @lock_3a: 3A lock control
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* @colorfx: color effect control
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* @saturation: saturation control
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* @zoom: zoom control
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* @wdr: wide dynamic range control
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* @stabilization: image stabilization control
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* @jpeg_quality: JPEG compression quality control
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* @set_power: optional power callback to the board code
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* @lock: mutex protecting the structure fields below
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* @ffmt: current fmt according to resolution type
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* @res_type: current resolution type
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* @ver: information of the version
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* @cap: the capture mode attributes
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* @isp_ready: 1 when the ISP controller has completed booting
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* @power: current sensor's power status
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* @ctrl_sync: 1 when the control handler state is restored in H/W
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* @resolution: register value for current resolution
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* @mode: register value for current operation mode
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*/
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struct m5mols_info {
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const struct m5mols_platform_data *pdata;
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struct v4l2_subdev sd;
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struct media_pad pad;
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wait_queue_head_t irq_waitq;
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atomic_t irq_done;
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struct v4l2_ctrl_handler handle;
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struct {
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/* exposure/exposure bias/auto exposure cluster */
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struct v4l2_ctrl *auto_exposure;
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struct v4l2_ctrl *exposure_bias;
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struct v4l2_ctrl *exposure;
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struct v4l2_ctrl *metering;
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};
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struct {
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/* iso/auto iso cluster */
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struct v4l2_ctrl *auto_iso;
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struct v4l2_ctrl *iso;
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};
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struct v4l2_ctrl *auto_wb;
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struct v4l2_ctrl *lock_3a;
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struct v4l2_ctrl *colorfx;
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struct v4l2_ctrl *saturation;
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struct v4l2_ctrl *zoom;
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struct v4l2_ctrl *wdr;
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struct v4l2_ctrl *stabilization;
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struct v4l2_ctrl *jpeg_quality;
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int (*set_power)(struct device *dev, int on);
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struct mutex lock;
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struct v4l2_mbus_framefmt ffmt[M5MOLS_RESTYPE_MAX];
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int res_type;
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struct m5mols_version ver;
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struct m5mols_capture cap;
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unsigned int isp_ready:1;
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unsigned int power:1;
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unsigned int ctrl_sync:1;
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u8 resolution;
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u8 mode;
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};
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#define is_available_af(__info) (__info->ver.af)
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#define is_code(__code, __type) (__code == m5mols_default_ffmt[__type].code)
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#define is_manufacturer(__info, __manufacturer) \
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(__info->ver.str[0] == __manufacturer[0] && \
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__info->ver.str[1] == __manufacturer[1])
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/*
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* I2C operation of the M-5MOLS
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*
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* The I2C read operation of the M-5MOLS requires 2 messages. The first
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* message sends the information about the command, command category, and total
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* message size. The second message is used to retrieve the data specified in
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* the first message
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*
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* 1st message 2nd message
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* +-------+---+----------+-----+-------+ +------+------+------+------+
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* | size1 | R | category | cmd | size2 | | d[0] | d[1] | d[2] | d[3] |
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* +-------+---+----------+-----+-------+ +------+------+------+------+
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* - size1: message data size(5 in this case)
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* - size2: desired buffer size of the 2nd message
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* - d[0..3]: according to size2
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*
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* The I2C write operation needs just one message. The message includes
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* category, command, total size, and desired data.
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*
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* 1st message
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* +-------+---+----------+-----+------+------+------+------+
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* | size1 | W | category | cmd | d[0] | d[1] | d[2] | d[3] |
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* +-------+---+----------+-----+------+------+------+------+
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* - d[0..3]: according to size1
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*/
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int m5mols_read_u8(struct v4l2_subdev *sd, u32 reg_comb, u8 *val);
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int m5mols_read_u16(struct v4l2_subdev *sd, u32 reg_comb, u16 *val);
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int m5mols_read_u32(struct v4l2_subdev *sd, u32 reg_comb, u32 *val);
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int m5mols_write(struct v4l2_subdev *sd, u32 reg_comb, u32 val);
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int m5mols_busy_wait(struct v4l2_subdev *sd, u32 reg, u32 value, u32 mask,
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int timeout);
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/* Mask value for busy waiting until M-5MOLS I2C interface is initialized */
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#define M5MOLS_I2C_RDY_WAIT_FL (1 << 16)
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/* ISP state transition timeout, in ms */
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#define M5MOLS_MODE_CHANGE_TIMEOUT 200
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#define M5MOLS_BUSY_WAIT_DEF_TIMEOUT 250
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/*
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* Mode operation of the M-5MOLS
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*
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* Changing the mode of the M-5MOLS is needed right executing order.
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* There are three modes(PARAMETER, MONITOR, CAPTURE) which can be changed
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* by user. There are various categories associated with each mode.
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*
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* +============================================================+
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* | mode | category |
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* +============================================================+
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* | FLASH | FLASH(only after Stand-by or Power-on) |
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* | SYSTEM | SYSTEM(only after sensor arm-booting) |
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* | PARAMETER | PARAMETER |
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* | MONITOR | MONITOR(preview), Auto Focus, Face Detection |
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* | CAPTURE | Single CAPTURE, Preview(recording) |
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* +============================================================+
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*
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* The available executing order between each modes are as follows:
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* PARAMETER <---> MONITOR <---> CAPTURE
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*/
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int m5mols_set_mode(struct m5mols_info *info, u8 mode);
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int m5mols_enable_interrupt(struct v4l2_subdev *sd, u8 reg);
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int m5mols_wait_interrupt(struct v4l2_subdev *sd, u8 condition, u32 timeout);
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int m5mols_restore_controls(struct m5mols_info *info);
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int m5mols_start_capture(struct m5mols_info *info);
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int m5mols_do_scenemode(struct m5mols_info *info, u8 mode);
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int m5mols_lock_3a(struct m5mols_info *info, bool lock);
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int m5mols_set_ctrl(struct v4l2_ctrl *ctrl);
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int m5mols_init_controls(struct v4l2_subdev *sd);
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/* The firmware function */
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int m5mols_update_fw(struct v4l2_subdev *sd,
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int (*set_power)(struct m5mols_info *, bool));
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static inline struct m5mols_info *to_m5mols(struct v4l2_subdev *subdev)
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{
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return container_of(subdev, struct m5mols_info, sd);
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}
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static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
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{
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struct m5mols_info *info = container_of(ctrl->handler,
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struct m5mols_info, handle);
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return &info->sd;
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}
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static inline void m5mols_set_ctrl_mode(struct v4l2_ctrl *ctrl,
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unsigned int mode)
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{
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ctrl->priv = (void *)(uintptr_t)mode;
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}
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static inline unsigned int m5mols_get_ctrl_mode(struct v4l2_ctrl *ctrl)
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{
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return (unsigned int)(uintptr_t)ctrl->priv;
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}
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#endif /* M5MOLS_H */
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