path: root/drivers/media/usb/gspca/t613.c

/*
 * T613 subdriver
 *
 * Copyright (C) 2010 Jean-Francois Moine (http://moinejf.free.fr)
 *
 * 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
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 *Notes: * t613  + tas5130A
 *	* Focus to light do not balance well as in win.
 *	  Quality in win is not good, but its kinda better.
 *	 * Fix some "extraneous bytes", most of apps will show the image anyway
 *	 * Gamma table, is there, but its really doing something?
 *	 * 7~8 Fps, its ok, max on win its 10.
 *			Costantino Leandro
 */

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#define MODULE_NAME "t613"

#include <linux/input.h>
#include <linux/slab.h>
#include "gspca.h"

MODULE_AUTHOR("Leandro Costantino <le_costantino@pixartargentina.com.ar>");
MODULE_DESCRIPTION("GSPCA/T613 (JPEG Compliance) USB Camera Driver");
MODULE_LICENSE("GPL");

struct sd {
	struct gspca_dev gspca_dev;	/* !! must be the first item */
	struct v4l2_ctrl *freq;
	struct { /* awb / color gains control cluster */
		struct v4l2_ctrl *awb;
		struct v4l2_ctrl *gain;
		struct v4l2_ctrl *red_balance;
		struct v4l2_ctrl *blue_balance;
	};

	u8 sensor;
	u8 button_pressed;
};
enum sensors {
	SENSOR_OM6802,
	SENSOR_OTHER,
	SENSOR_TAS5130A,
	SENSOR_LT168G,		/* must verify if this is the actual model */
};

static const struct v4l2_pix_format vga_mode_t16[] = {
	{160, 120, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 160,
		.sizeimage = 160 * 120 * 4 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = 4},
#if 0 /* HDG: broken with my test cam, so lets disable it */
	{176, 144, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 176,
		.sizeimage = 176 * 144 * 3 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = 3},
#endif
	{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 320,
		.sizeimage = 320 * 240 * 3 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = 2},
#if 0 /* HDG: broken with my test cam, so lets disable it */
	{352, 288, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 352,
		.sizeimage = 352 * 288 * 3 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = 1},
#endif
	{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 640,
		.sizeimage = 640 * 480 * 3 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = 0},
};

/* sensor specific data */
struct additional_sensor_data {
	const u8 n3[6];
	const u8 *n4, n4sz;
	const u8 reg80, reg8e;
	const u8 nset8[6];
	const u8 data1[10];
	const u8 data2[9];
	const u8 data3[9];
	const u8 data5[6];
	const u8 stream[4];
};

static const u8 n4_om6802[] = {
	0x09, 0x01, 0x12, 0x04, 0x66, 0x8a, 0x80, 0x3c,
	0x81, 0x22, 0x84, 0x50, 0x8a, 0x78, 0x8b, 0x68,
	0x8c, 0x88, 0x8e, 0x33, 0x8f, 0x24, 0xaa, 0xb1,
	0xa2, 0x60, 0xa5, 0x30, 0xa6, 0x3a, 0xa8, 0xe8,
	0xae, 0x05, 0xb1, 0x00, 0xbb, 0x04, 0xbc, 0x48,
	0xbe, 0x36, 0xc6, 0x88, 0xe9, 0x00, 0xc5, 0xc0,
	0x65, 0x0a, 0xbb, 0x86, 0xaf, 0x58, 0xb0, 0x68,
	0x87, 0x40, 0x89, 0x2b, 0x8d, 0xff, 0x83, 0x40,
	0xac, 0x84, 0xad, 0x86, 0xaf, 0x46
};
static const u8 n4_other[] = {
	0x66, 0x00, 0x7f, 0x00, 0x80, 0xac, 0x81, 0x69,
	0x84, 0x40, 0x85, 0x70, 0x86, 0x20, 0x8a, 0x68,
	0x8b, 0x58, 0x8c, 0x88, 0x8d, 0xff, 0x8e, 0xb8,
	0x8f, 0x28, 0xa2,