linux-imx

// SPDX-License-Identifier: GPL-2.0

// Copyright (c) 2017 Microchip Corporation.

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#include <linux/clk.h>

#include <linux/delay.h>

#include <linux/gpio/consumer.h>

#include <linux/i2c.h>

#include <linux/module.h>

#include <linux/pm_runtime.h>

#include <linux/regmap.h>

#include <media/v4l2-ctrls.h>

#include <media/v4l2-event.h>

#include <media/v4l2-image-sizes.h>

#include <media/v4l2-subdev.h>

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#define REG_OUTSIZE_LSB 0x34

​

/* OV7740 register tables */

#define REG_GAIN    0x00    /* Gain lower 8 bits (rest in vref) */

#define REG_BGAIN   0x01    /* blue gain */

#define REG_RGAIN   0x02    /* red gain */

#define REG_GGAIN   0x03    /* green gain */

#define REG_REG04   0x04    /* analog setting, don't change*/

#define REG_BAVG    0x05    /* b channel average */

#define REG_GAVG    0x06    /* g channel average */

#define REG_RAVG    0x07    /* r channel average */

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#define REG_REG0C   0x0C    /* filp enable */

#define REG0C_IMG_FLIP      0x80

#define REG0C_IMG_MIRROR    0x40

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#define REG_REG0E   0x0E    /* blc line */

#define REG_HAEC    0x0F    /* auto exposure cntrl */

#define REG_AEC     0x10    /* auto exposure cntrl */

​

#define REG_CLK     0x11    /* Clock control */

#define REG_REG55   0x55    /* Clock PLL DIV/PreDiv */

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#define REG_REG12   0x12

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#define REG_REG13   0x13    /* auto/manual AGC, AEC, Write Balance*/

#define REG13_AEC_EN    0x01

#define REG13_AGC_EN    0x04

​

#define REG_REG14   0x14

#define REG_CTRL15  0x15

#define REG15_GAIN_MSB  0x03

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#define REG_REG16   0x16

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#define REG_MIDH    0x1C    /* manufacture id byte */

#define REG_MIDL    0x1D    /* manufacture id byre */

#define REG_PIDH    0x0A    /* Product ID MSB */

#define REG_PIDL    0x0B    /* Product ID LSB */

​

#define REG_84      0x84    /* lots of stuff */

#define REG_REG38   0x38    /* sub-addr */

​

#define REG_AHSTART 0x17    /* Horiz start high bits */

#define REG_AHSIZE  0x18

#define REG_AVSTART 0x19    /* Vert start high bits */

#define REG_AVSIZE  0x1A

#define REG_PSHFT   0x1b    /* Pixel delay after HREF */