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f8a7647d31
Use codespell to fix lots of typos over frontends. Manually verified to avoid false-positives. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
349 lines
11 KiB
C
349 lines
11 KiB
C
/*
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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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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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