path: root/drivers/media/video/m5mols/m5mols_core.c

/*
 * Driver 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.
 */

#include <linux/i2c.h>
#include <linux/slab.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/version.h>
#include <linux/gpio.h>
#include <linux/regulator/consumer.h>
#include <linux/videodev2.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/v4l2-subdev.h>
#include <media/m5mols.h>

#include "m5mols.h"
#include "m5mols_reg.h"

int m5mols_debug;
module_param(m5mols_debug, int, 0644);

#define MODULE_NAME		"M5MOLS"
#define M5MOLS_I2C_CHECK_RETRY	500

/* The regulator consumer names for external voltage regulators */
static struct regulator_bulk_data supplies[] = {
	{
		.supply = "core",	/* ARM core power, 1.2V */
	}, {
		.supply	= "dig_18",	/* digital power 1, 1.8V */
	}, {
		.supply	= "d_sensor",	/* sensor power 1, 1.8V */
	}, {
		.supply	= "dig_28",	/* digital power 2, 2.8V */
	}, {
		.supply	= "a_sensor",	/* analog power */
	}, {
		.supply	= "dig_12",	/* digital power 3, 1.2V */
	},
};

static struct v4l2_mbus_framefmt m5mols_default_ffmt[M5MOLS_RESTYPE_MAX] = {
	[M5MOLS_RESTYPE_MONITOR] = {
		.width		= 1920,
		.height		= 1080,
		.code		= V4L2_MBUS_FMT_VYUY8_2X8,
		.field		= V4L2_FIELD_NONE,
		.colorspace	= V4L2_COLORSPACE_JPEG,
	},
	[M5MOLS_RESTYPE_CAPTURE] = {
		.width		= 1920,
		.height		= 1080,
		.code		= V4L2_MBUS_FMT_JPEG_1X8,
		.field		= V4L2_FIELD_NONE,
		.colorspace	= V4L2_COLORSPACE_JPEG,
	},
};
#define SIZE_DEFAULT_FFMT	ARRAY_SIZE(m5mols_default_ffmt)

static const struct m5mols_resolution m5mols_reg_res[] = {
	{ 0x01, M5MOLS_RESTYPE_MONITOR, 128, 96 },	/* SUB-QCIF */
	{ 0x03, M5MOLS_RESTYPE_MONITOR, 160, 120 },	/* QQVGA */
	{ 0x05, M5MOLS_RESTYPE_MONITOR, 176, 144 },	/* QCIF */
	{ 0x06, M5MOLS_RESTYPE_MONITOR, 176, 176 },
	{ 0x08, M5MOLS_RESTYPE_MONITOR, 240, 320 },	/* QVGA */
	{ 0x09, M5MOLS_RESTYPE_MONITOR, 320, 240 },	/* QVGA */
	{ 0x0c, M5MOLS_RESTYPE_MONITOR, 240, 400 },	/* WQVGA */
	{ 0x0d, M5MOLS_RESTYPE_MONITOR, 400, 240 },	/* WQVGA */
	{ 0x0e, M5MOLS_RESTYPE_MONITOR, 352, 288 },	/* CIF */
	{ 0x13, M5MOLS_RESTYPE_MONITOR, 480, 360 },
	{ 0x15, M5MOLS_RESTYPE_MONITOR, 640, 360 },	/* qHD */
	{ 0x17, M5MOLS_RESTYPE_MONITOR, 640, 480 },	/* VGA */
	{ 0x18, M5MOLS_RESTYPE_MONITOR, 720, 480 },
	{ 0x1a, M5MOLS_RESTYPE_MONITOR, 800, 480 },	/* WVGA */
	{ 0x1f, M5MOLS_RESTYPE_MONITOR, 800, 600 },	/* SVGA */
	{ 0x21, M5MOLS_RESTYPE_MONITOR, 1280, 720 },	/* HD */
	{ 0x25, M5MOLS_RESTYPE_MONITOR, 1920, 1080 },	/* 1080p */
	{ 0x29, M5MOLS_RESTYPE_MONITOR, 3264, 2448 },	/* 2.63fps 8M */
	{ 0x39, M5MOLS_RESTYPE_MONITOR, 800, 602 },	/* AHS_MON debug */

	{ 0x02, M5MOLS_RESTYPE_CAPTURE, 320, 240 },	/* QVGA */
	{ 0x04, M5MOLS_RESTYPE_CAPTURE, 400, 240 },	/* WQVGA */
	{ 0x07, M5MOLS_RESTYPE_CAPTURE, 480, 360 },
	{ 0x08, M5MOLS_RESTYPE_CAPTURE, 640, 360 },	/* qHD */
	{ 0x09, M5MOLS_RESTYPE_CAPTURE, 640, 480 },	/* VGA */
	{ 0x0a, M5MOLS_RESTYPE_CAPTURE, 800, 480 },	/* WVGA */
	{ 0x10, M5MOLS_RESTYPE_CAPTURE, 1280, 720 },	/* HD */
	{ 0x14, M5MOLS_RESTYPE_CAPTURE, 1280, 960 },	/* 1M */
	{ 0x17, M5MOLS_RESTYPE_CAPTURE, 1600, 1200 },	/* 2M */
	{ 0x19, M5MOLS_RESTYPE_CAPTURE, 1920,