path: root/drivers/media/video/gspca/m5602/m5602_ov9650.c

/*
 * Driver for the ov9650 sensor
 *
 * Copyright (C) 2008 Erik Andrén
 * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
 * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
 *
 * Portions of code to USB interface and ALi driver software,
 * Copyright (c) 2006 Willem Duinker
 * v4l2 interface modeled after the V4L2 driver
 * for SN9C10x PC Camera Controllers
 *
 * 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, version 2.
 *
 */

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include "m5602_ov9650.h"

static int ov9650_set_exposure(struct gspca_dev *gspca_dev, __s32 val);
static int ov9650_get_exposure(struct gspca_dev *gspca_dev, __s32 *val);
static int ov9650_get_gain(struct gspca_dev *gspca_dev, __s32 *val);
static int ov9650_set_gain(struct gspca_dev *gspca_dev, __s32 val);
static int ov9650_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val);
static int ov9650_set_red_balance(struct gspca_dev *gspca_dev, __s32 val);
static int ov9650_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val);
static int ov9650_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val);
static int ov9650_get_hflip(struct gspca_dev *gspca_dev, __s32 *val);
static int ov9650_set_hflip(struct gspca_dev *gspca_dev, __s32 val);
static int ov9650_get_vflip(struct gspca_dev *gspca_dev, __s32 *val);
static int ov9650_set_vflip(struct gspca_dev *gspca_dev, __s32 val);
static int ov9650_get_auto_white_balance(struct gspca_dev *gspca_dev,
					 __s32 *val);
static int ov9650_set_auto_white_balance(struct gspca_dev *gspca_dev,
					 __s32 val);
static int ov9650_get_auto_gain(struct gspca_dev *gspca_dev, __s32 *val);
static int ov9650_set_auto_gain(struct gspca_dev *gspca_dev, __s32 val);
static int ov9650_get_auto_exposure(struct gspca_dev *gspca_dev, __s32 *val);
static int ov9650_set_auto_exposure(struct gspca_dev *gspca_dev, __s32 val);

/* Vertically and horizontally flips the image if matched, needed for machines
   where the sensor is mounted upside down */
static
    const
	struct dmi_system_id ov9650_flip_dmi_table[] = {
	{
		.ident = "ASUS A6Ja",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
			DMI_MATCH(DMI_PRODUCT_NAME, "A6J")
		}
	},
	{
		.ident = "ASUS A6JC",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
			DMI_MATCH(DMI_PRODUCT_NAME, "A6JC")
		}
	},
	{
		.ident = "ASUS A6K",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
			DMI_MATCH(DMI_PRODUCT_NAME, "A6K")
		}
	},
	{
		.ident = "ASUS A6Kt",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
			DMI_MATCH(DMI_PRODUCT_NAME, "A6Kt")
		}
	},
	{
		.ident = "ASUS A6VA",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
			DMI_MATCH(DMI_PRODUCT_NAME, "A6VA")
		}
	},
	{

		.ident = "ASUS A6VC",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
			DMI_MATCH(DMI_PRODUCT_NAME, "A6VC")
		}
	},
	{
		.ident = "ASUS A6VM",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
			DMI_MATCH(DMI_PRODUCT_NAME, "A6VM")
		}
	},
	{
		.ident = "ASUS A7V",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
			DMI_MATCH(DMI_PRODUCT_NAME, "A7V")
		}
	},
	{
		.ident = "Alienware Aurora m9700",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "alienware"),
			DMI_MATCH(DMI_PRODUCT_NAME, "Aurora m9700")
		}
	},
	{}
};

static const struct ctrl ov9650_ctrls[] = {
#define EXPOSURE_IDX 0
	{
		{
			.id		= V4L2_CID_EXPOSURE,
			.type		= V4L2_CTRL_TYPE_INTEGER,
			.name		= "exposure",
			.minimum	= 0x00,
			.maximum	= 0x1ff,
			.step		= 0x4,
			.default_value	= EXPOSURE_DEFAULT,
			.flags		= V4L2_CTRL_FLAG_SLIDER
		},
		.set = ov9650_set_exposure,
		.get = ov9650_get_exposure
	},
#define GAIN_IDX 1
	{
		{
			.id		= V4L2_CID_GAIN,
			.type		= V4L2_CTRL_TYPE_INTEGER,
			.name		= "gain",
			.minimum	= 0x00,
			.maximum	= 0x3ff,
			.step		= 0x1,
			.default_value	= GAIN_DEFAULT,
			.flags		= V4L2_CTRL_FLAG_SLIDER
		},
		.set = ov9650_set_gain,
		.get = ov9650_get_gain
	},
#define RED_BALANCE_IDX 2
	{
		{
			.id		= V4L2_CID_RED_BALANCE,
			.type		= V4L2_CTRL_TYPE_INTEGER,
			.name		= "red balance",
			.minimum	= 0x00,
			.maximum	= 0xff,
			.step		= 0x1,
			.default_value