[linux-2.6-block.git] / drivers / media / video / sn9c102 / sn9c102_tas5130d1b.c

/***************************************************************************
 * Plug-in for TAS5130D1B image sensor connected to the SN9C1xx PC Camera  *
 * Controllers                                                             *
 *                                                                         *
 * Copyright (C) 2004-2007 by Luca Risolia <luca.risolia@studio.unibo.it>  *
 *                                                                         *
 * 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.                                     *
 *                                                                         *
 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.               *
 ***************************************************************************/

#include "sn9c102_sensor.h"
#include "sn9c102_devtable.h"


static int tas5130d1b_init(struct sn9c102_device* cam)
{
	int err;

	err = sn9c102_write_const_regs(cam, {0x01, 0x01}, {0x20, 0x17},
				       {0x04, 0x01}, {0x01, 0x10},
				       {0x00, 0x11}, {0x00, 0x14},
				       {0x60, 0x17}, {0x07, 0x18});

	return err;
}


static int tas5130d1b_set_ctrl(struct sn9c102_device* cam,
			       const struct v4l2_control* ctrl)
{
	int err = 0;

	switch (ctrl->id) {
	case V4L2_CID_GAIN:
		err += sn9c102_i2c_write(cam, 0x20, 0xf6 - ctrl->value);
		break;
	case V4L2_CID_EXPOSURE:
		err += sn9c102_i2c_write(cam, 0x40, 0x47 - ctrl->value);
		break;
	default:
		return -EINVAL;
	}

	return err ? -EIO : 0;
}


static int tas5130d1b_set_crop(struct sn9c102_device* cam,
			       const struct v4l2_rect* rect)
{
	struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
	u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 104,
	   v_start = (u8)(rect->top - s->cropcap.bounds.top) + 12;
	int err = 0;

	err += sn9c102_write_reg(cam, h_start, 0x12);
	err += sn9c102_write_reg(cam, v_start, 0x13);

	/* Do NOT change! */
	err += sn9c102_write_reg(cam, 0x1f, 0x1a);
	err += sn9c102_write_reg(cam, 0x1a, 0x1b);
	err += sn9c102_write_reg(cam, sn9c102_pread_reg(cam, 0x19), 0x19);

	return err;
}


static int tas5130d1b_set_pix_format(struct sn9c102_device* cam,
				     const struct v4l2_pix_format* pix)
{
	int err = 0;

	if (pix->pixelformat == V4L2_PIX_FMT_SN9C10X)
		err += sn9c102_write_reg(cam, 0x63, 0x19);
	else
		err += sn9c102_write_reg(cam, 0xf3, 0x19);

	return err;
}


static const struct sn9c102_sensor tas5130d1b = {
	.name = "TAS5130D1B",
	.maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
	.supported_bridge = BRIDGE_SN9C101 | BRIDGE_SN9C102,
	.sysfs_ops = SN9C102_I2C_WRITE,
	.frequency = SN9C102_I2C_100KHZ,
	.interface = SN9C102_I2C_3WIRES,
	.init = &tas5130d1b_init,
	.qctrl = {
		{
			.id = V4L2_CID_GAIN,
			.type = V4L2_CTRL_TYPE_INTEGER,
			.name = "global gain",
			.minimum = 0x00,
			.maximum = 0xf6,
			.step = 0x02,
			.default_value = 0x00,
			.flags = 0,
		},
		{
			.id = V4L2_CID_EXPOSURE,
			.type = V4L2_CTRL_TYPE_INTEGER,
			.name = "exposure",
			.minimum = 0x00,
			.maximum = 0x47,
			.step = 0x01,
			.default_value = 0x00,
			.flags = 0,
		},
	},
	.set_ctrl = &tas5130d1b_set_ctrl,
	.cropcap = {
		.bounds = {
			.left = 0,
			.top = 0,
			.width = 640,
			.height = 480,
		},
		.defrect = {
			.left = 0,
			.top = 0,
			.width = 640,
			.height = 480,
		},
	},
	.set_crop = &tas5130d1b_set_crop,
	.pix_format = {
		.width = 640,
		.height = 480,
		.pixelformat = V4L2_PIX_FMT_SBGGR8,
		.priv = 8,
	},
	.set_pix_format = &tas5130d1b_set_pix_format
};


int sn9c102_probe_tas5130d1b(struct sn9c102_device* cam)
{
	const struct usb_device_id tas5130d1b_id_table[] = {
		{ USB_DEVICE(0x0c45, 0x6024), },
		{ USB_DEVICE(0x0c45, 0x6025), },
		{ USB_DEVICE(0x0c45, 0x60aa), },
		{ }
	};

	/* Sensor detection is based on USB pid/vid */
	if (!sn9c102_match_id(cam, tas5130d1b_id_table))
		return -ENODEV;

	sn9c102_attach_sensor(cam, &tas5130d1b);

	return 0;
}
Commit	Line	Data
1da177e4	1	/***************************************************************************
f327ebbd	2	* Plug-in for TAS5130D1B image sensor connected to the SN9C1xx PC Camera *
1da177e4 LT	3	* Controllers *
1da177e4 LT	4	* *
f327ebbd	5	* Copyright (C) 2004-2007 by Luca Risolia <luca.risolia@studio.unibo.it> *
1da177e4 LT	6	* *
	7	* This program is free software; you can redistribute it and/or modify *
	8	* it under the terms of the GNU General Public License as published by *
	9	* the Free Software Foundation; either version 2 of the License, or *
	10	* (at your option) any later version. *
	11	* *
	12	* This program is distributed in the hope that it will be useful, *
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of *
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
	15	* GNU General Public License for more details. *
	16	* *
	17	* You should have received a copy of the GNU General Public License *
	18	* along with this program; if not, write to the Free Software *
	19	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
	20	***************************************************************************/
	21
	22	#include "sn9c102_sensor.h"
d45b9b8a	23	#include "sn9c102_devtable.h"
1da177e4 LT	24
1da177e4 LT	25
1da177e4 LT	26	static int tas5130d1b_init(struct sn9c102_device* cam)
1da177e4 LT	27	{
c680dd60	28	int err;
1da177e4	29
c680dd60 TP	30	err = sn9c102_write_const_regs(cam, {0x01, 0x01}, {0x20, 0x17},
	31	{0x04, 0x01}, {0x01, 0x10},
	32	{0x00, 0x11}, {0x00, 0x14},
	33	{0x60, 0x17}, {0x07, 0x18});
1da177e4 LT	34
	35	return err;
	36	}
	37
	38
d56410e0 MCC	39	static int tas5130d1b_set_ctrl(struct sn9c102_device* cam,
d56410e0 MCC	40	const struct v4l2_control* ctrl)
1da177e4 LT	41	{
	42	int err = 0;
	43
	44	switch (ctrl->id) {
	45	case V4L2_CID_GAIN:
b9df978f	46	err += sn9c102_i2c_write(cam, 0x20, 0xf6 - ctrl->value);
1da177e4 LT	47	break;
1da177e4 LT	48	case V4L2_CID_EXPOSURE:
b9df978f	49	err += sn9c102_i2c_write(cam, 0x40, 0x47 - ctrl->value);
1da177e4 LT	50	break;
	51	default:
	52	return -EINVAL;
	53	}
	54
	55	return err ? -EIO : 0;
	56	}
	57
	58
d56410e0 MCC	59	static int tas5130d1b_set_crop(struct sn9c102_device* cam,
d56410e0 MCC	60	const struct v4l2_rect* rect)
1da177e4	61	{
f327ebbd	62	struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
1da177e4 LT	63	u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 104,
	64	v_start = (u8)(rect->top - s->cropcap.bounds.top) + 12;
	65	int err = 0;
	66
	67	err += sn9c102_write_reg(cam, h_start, 0x12);
	68	err += sn9c102_write_reg(cam, v_start, 0x13);
	69
	70	/* Do NOT change! */
	71	err += sn9c102_write_reg(cam, 0x1f, 0x1a);
	72	err += sn9c102_write_reg(cam, 0x1a, 0x1b);
	73	err += sn9c102_write_reg(cam, sn9c102_pread_reg(cam, 0x19), 0x19);
	74
	75	return err;
	76	}
	77
	78
d56410e0 MCC	79	static int tas5130d1b_set_pix_format(struct sn9c102_device* cam,
d56410e0 MCC	80	const struct v4l2_pix_format* pix)
1da177e4 LT	81	{
	82	int err = 0;
	83
	84	if (pix->pixelformat == V4L2_PIX_FMT_SN9C10X)
	85	err += sn9c102_write_reg(cam, 0x63, 0x19);
	86	else
	87	err += sn9c102_write_reg(cam, 0xf3, 0x19);
	88
	89	return err;
	90	}
	91
	92
480b55c2	93	static const struct sn9c102_sensor tas5130d1b = {
1da177e4 LT	94	.name = "TAS5130D1B",
1da177e4 LT	95	.maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
f423b9a8	96	.supported_bridge = BRIDGE_SN9C101 \| BRIDGE_SN9C102,
1da177e4 LT	97	.sysfs_ops = SN9C102_I2C_WRITE,
	98	.frequency = SN9C102_I2C_100KHZ,
	99	.interface = SN9C102_I2C_3WIRES,
	100	.init = &tas5130d1b_init,
	101	.qctrl = {
	102	{
	103	.id = V4L2_CID_GAIN,
	104	.type = V4L2_CTRL_TYPE_INTEGER,
	105	.name = "global gain",
	106	.minimum = 0x00,
	107	.maximum = 0xf6,
	108	.step = 0x02,
	109	.default_value = 0x00,
	110	.flags = 0,
	111	},
	112	{
	113	.id = V4L2_CID_EXPOSURE,
	114	.type = V4L2_CTRL_TYPE_INTEGER,
	115	.name = "exposure",
	116	.minimum = 0x00,
	117	.maximum = 0x47,
	118	.step = 0x01,
	119	.default_value = 0x00,
	120	.flags = 0,
	121	},
	122	},
1da177e4 LT	123	.set_ctrl = &tas5130d1b_set_ctrl,
	124	.cropcap = {
	125	.bounds = {
	126	.left = 0,
	127	.top = 0,
	128	.width = 640,
	129	.height = 480,
	130	},
	131	.defrect = {
	132	.left = 0,
	133	.top = 0,
	134	.width = 640,
	135	.height = 480,
	136	},
	137	},
	138	.set_crop = &tas5130d1b_set_crop,
	139	.pix_format = {
	140	.width = 640,
	141	.height = 480,
	142	.pixelformat = V4L2_PIX_FMT_SBGGR8,
	143	.priv = 8,
	144	},
	145	.set_pix_format = &tas5130d1b_set_pix_format
	146	};
	147
	148
	149	int sn9c102_probe_tas5130d1b(struct sn9c102_device* cam)
	150	{
2ffab02f	151	const struct usb_device_id tas5130d1b_id_table[] = {
f327ebbd	152	{ USB_DEVICE(0x0c45, 0x6024), },
2ffab02f LR	153	{ USB_DEVICE(0x0c45, 0x6025), },
	154	{ USB_DEVICE(0x0c45, 0x60aa), },
	155	{ }
	156	};
1da177e4 LT	157
1da177e4 LT	158	/* Sensor detection is based on USB pid/vid */
2ffab02f	159	if (!sn9c102_match_id(cam, tas5130d1b_id_table))
1da177e4 LT	160	return -ENODEV;
1da177e4 LT	161
2ffab02f LR	162	sn9c102_attach_sensor(cam, &tas5130d1b);
2ffab02f LR	163
1da177e4 LT	164	return 0;
1da177e4 LT	165	}