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

/*
 *		Sunplus spca504(abc) spca533 spca536 library
 *		Copyright (C) 2005 Michel Xhaard mxhaard@magic.fr
 *
 * V4L2 by 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
 */

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#define MODULE_NAME "sunplus"

#include "gspca.h"
#include "jpeg.h"

MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
MODULE_DESCRIPTION("GSPCA/SPCA5xx USB Camera Driver");
MODULE_LICENSE("GPL");

#define QUALITY 85

/* specific webcam descriptor */
struct sd {
	struct gspca_dev gspca_dev;	/* !! must be the first item */

	bool autogain;

	u8 bridge;
#define BRIDGE_SPCA504 0
#define BRIDGE_SPCA504B 1
#define BRIDGE_SPCA504C 2
#define BRIDGE_SPCA533 3
#define BRIDGE_SPCA536 4
	u8 subtype;
#define AiptekMiniPenCam13 1
#define LogitechClickSmart420 2
#define LogitechClickSmart820 3
#define MegapixV4 4
#define MegaImageVI 5

	u8 jpeg_hdr[JPEG_HDR_SZ];
};

static const struct v4l2_pix_format vga_mode[] = {
	{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 320,
		.sizeimage = 320 * 240 * 3 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = 2},
	{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 640,
		.sizeimage = 640 * 480 * 3 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = 1},
};

static const struct v4l2_pix_format custom_mode[] = {
	{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 320,
		.sizeimage = 320 * 240 * 3 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = 2},
	{464, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 464,
		.sizeimage = 464 * 480 * 3 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = 1},
};

static const struct v4l2_pix_format vga_mode2[] = {
	{176, 144, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 176,
		.sizeimage = 176 * 144 * 3 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = 4},
	{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 320,
		.sizeimage = 320 * 240 * 3 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = 3},
	{352, 288, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 352,
		.sizeimage = 352 * 288 * 3 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = 2},
	{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 640,
		.sizeimage = 640 * 480 * 3 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = 1},
};

#define SPCA50X_OFFSET_DATA 10
#define SPCA504_PCCAM600_OFFSET_SNAPSHOT 3
#define SPCA504_PCCAM600_OFFSET_COMPRESS 4
#define SPCA504_PCCAM600_OFFSET_MODE	 5
#define SPCA504_PCCAM600_OFFSET_DATA	 14
 /* Frame packet header offsets for the spca533 */
#define SPCA533_OFFSET_DATA	16
#define SPCA533_OFFSET_FRAMSEQ	15
/* Frame packet header offsets for the spca536 */
#define SPCA536_OFFSET_DATA	4
#define SPCA536_OFFSET_FRAMSEQ	1

struct cmd {
	u8 req;
	u16 val;
	u16 idx;
};

/* Initialisation data for the Creative PC-CAM 600 */
static const struct cmd spca504_pccam600_init_data[] = {
/*	{0xa0, 0x0000, 0x0503},  * capture mode */
	{0x00, 0x0000, 0x2000},
	{0x00, 0x0013, 0x2301},
	{0x00, 0x0003, 0x2000},
	{0x00, 0x0001, 0x21ac},
	{0x00, 0x0001, 0x21a6},
	{0x00, 0x0000, 0x21a7