[deliverable/linux.git] / drivers / media / video / sn9c102 / sn9c102_tas5110c1b.c

/***************************************************************************
 * Plug-in for TAS5110C1B 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"


static int tas5110c1b_init(struct sn9c102_device* cam)
{
	int err = 0;

	err = sn9c102_write_const_regs(cam, {0x01, 0x01}, {0x44, 0x01},
				       {0x00, 0x10}, {0x00, 0x11},
				       {0x0a, 0x14}, {0x60, 0x17},
				       {0x06, 0x18}, {0xfb, 0x19});

	err += sn9c102_i2c_write(cam, 0xc0, 0x80);

	return err;
}


static int tas5110c1b_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;
	default:
		return -EINVAL;
	}

	return err ? -EIO : 0;
}


static int tas5110c1b_set_crop(struct sn9c102_device* cam,
			       const struct v4l2_rect* rect)
{
	struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
	int err = 0;
	u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 69,
	   v_start = (u8)(rect->top - s->cropcap.bounds.top) + 9;

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

	/* Don't change ! */
	err += sn9c102_write_reg(cam, 0x14, 0x1a);
	err += sn9c102_write_reg(cam, 0x0a, 0x1b);
	err += sn9c102_write_reg(cam, sn9c102_pread_reg(cam, 0x19), 0x19);

	return err;
}


static int tas5110c1b_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, 0x2b, 0x19);
	else
		err += sn9c102_write_reg(cam, 0xfb, 0x19);

	return err;
}


static const struct sn9c102_sensor tas5110c1b = {
	.name = "TAS5110C1B",
	.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 = &tas5110c1b_init,
	.qctrl = {
		{
			.id = V4L2_CID_GAIN,
			.type = V4L2_CTRL_TYPE_INTEGER,
			.name = "global gain",
			.minimum = 0x00,
			.maximum = 0xf6,
			.step = 0x01,
			.default_value = 0x40,
			.flags = 0,
		},
	},
	.set_ctrl = &tas5110c1b_set_ctrl,
	.cropcap = {
		.bounds = {
			.left = 0,
			.top = 0,
			.width = 352,
			.height = 288,
		},
		.defrect = {
			.left = 0,
			.top = 0,
			.width = 352,
			.height = 288,
		},
	},
	.set_crop = &tas5110c1b_set_crop,
	.pix_format = {
		.width = 352,
		.height = 288,
		.pixelformat = V4L2_PIX_FMT_SBGGR8,
		.priv = 8,
	},
	.set_pix_format = &tas5110c1b_set_pix_format
};


int sn9c102_probe_tas5110c1b(struct sn9c102_device* cam)
{
	const struct usb_device_id tas5110c1b_id_table[] = {
		{ USB_DEVICE(0x0c45, 0x6001), },
		{ USB_DEVICE(0x0c45, 0x6005), },
		{ USB_DEVICE(0x0c45, 0x60ab), },
		{ }
	};

	/* Sensor detection is based on USB pid/vid */
	if (!sn9c102_match_id(cam, tas5110c1b_id_table))
		return -ENODEV;

	sn9c102_attach_sensor(cam, &tas5110c1b);

	return 0;
}
Commit	Line	Data
1da177e4	1	/***************************************************************************
f327ebbd	2	* Plug-in for TAS5110C1B 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"
	23
	24
1da177e4 LT	25	static int tas5110c1b_init(struct sn9c102_device* cam)
	26	{
	27	int err = 0;
	28
c680dd60 TP	29	err = sn9c102_write_const_regs(cam, {0x01, 0x01}, {0x44, 0x01},
	30	{0x00, 0x10}, {0x00, 0x11},
	31	{0x0a, 0x14}, {0x60, 0x17},
	32	{0x06, 0x18}, {0xfb, 0x19});
1da177e4 LT	33
	34	err += sn9c102_i2c_write(cam, 0xc0, 0x80);
	35
	36	return err;
	37	}
	38
	39
d56410e0 MCC	40	static int tas5110c1b_set_ctrl(struct sn9c102_device* cam,
d56410e0 MCC	41	const struct v4l2_control* ctrl)
1da177e4 LT	42	{
	43	int err = 0;
	44
	45	switch (ctrl->id) {
	46	case V4L2_CID_GAIN:
b9df978f	47	err += sn9c102_i2c_write(cam, 0x20, 0xf6 - ctrl->value);
1da177e4 LT	48	break;
	49	default:
	50	return -EINVAL;
	51	}
	52
	53	return err ? -EIO : 0;
	54	}
	55
	56
d56410e0 MCC	57	static int tas5110c1b_set_crop(struct sn9c102_device* cam,
d56410e0 MCC	58	const struct v4l2_rect* rect)
1da177e4	59	{
f327ebbd	60	struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
1da177e4 LT	61	int err = 0;
	62	u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 69,
	63	v_start = (u8)(rect->top - s->cropcap.bounds.top) + 9;
	64
	65	err += sn9c102_write_reg(cam, h_start, 0x12);
	66	err += sn9c102_write_reg(cam, v_start, 0x13);
	67
	68	/* Don't change ! */
	69	err += sn9c102_write_reg(cam, 0x14, 0x1a);
	70	err += sn9c102_write_reg(cam, 0x0a, 0x1b);
	71	err += sn9c102_write_reg(cam, sn9c102_pread_reg(cam, 0x19), 0x19);
	72
	73	return err;
	74	}
	75
	76
d56410e0 MCC	77	static int tas5110c1b_set_pix_format(struct sn9c102_device* cam,
d56410e0 MCC	78	const struct v4l2_pix_format* pix)
1da177e4 LT	79	{
	80	int err = 0;
	81
	82	if (pix->pixelformat == V4L2_PIX_FMT_SN9C10X)
	83	err += sn9c102_write_reg(cam, 0x2b, 0x19);
	84	else
	85	err += sn9c102_write_reg(cam, 0xfb, 0x19);
	86
	87	return err;
	88	}
	89
	90
480b55c2	91	static const struct sn9c102_sensor tas5110c1b = {
1da177e4 LT	92	.name = "TAS5110C1B",
1da177e4 LT	93	.maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
f423b9a8	94	.supported_bridge = BRIDGE_SN9C101 \| BRIDGE_SN9C102,
1da177e4 LT	95	.sysfs_ops = SN9C102_I2C_WRITE,
	96	.frequency = SN9C102_I2C_100KHZ,
	97	.interface = SN9C102_I2C_3WIRES,
	98	.init = &tas5110c1b_init,
	99	.qctrl = {
	100	{
	101	.id = V4L2_CID_GAIN,
	102	.type = V4L2_CTRL_TYPE_INTEGER,
	103	.name = "global gain",
	104	.minimum = 0x00,
	105	.maximum = 0xf6,
	106	.step = 0x01,
	107	.default_value = 0x40,
	108	.flags = 0,
	109	},
	110	},
	111	.set_ctrl = &tas5110c1b_set_ctrl,
	112	.cropcap = {
	113	.bounds = {
	114	.left = 0,
	115	.top = 0,
	116	.width = 352,
	117	.height = 288,
	118	},
	119	.defrect = {
	120	.left = 0,
	121	.top = 0,
	122	.width = 352,
	123	.height = 288,
	124	},
	125	},
1da177e4 LT	126	.set_crop = &tas5110c1b_set_crop,
	127	.pix_format = {
	128	.width = 352,
	129	.height = 288,
	130	.pixelformat = V4L2_PIX_FMT_SBGGR8,
	131	.priv = 8,
	132	},
	133	.set_pix_format = &tas5110c1b_set_pix_format
	134	};
	135
	136
	137	int sn9c102_probe_tas5110c1b(struct sn9c102_device* cam)
	138	{
2ffab02f LR	139	const struct usb_device_id tas5110c1b_id_table[] = {
	140	{ USB_DEVICE(0x0c45, 0x6001), },
	141	{ USB_DEVICE(0x0c45, 0x6005), },
	142	{ USB_DEVICE(0x0c45, 0x60ab), },
	143	{ }
	144	};
1da177e4 LT	145
1da177e4 LT	146	/* Sensor detection is based on USB pid/vid */
2ffab02f	147	if (!sn9c102_match_id(cam, tas5110c1b_id_table))
1da177e4 LT	148	return -ENODEV;
1da177e4 LT	149
2ffab02f LR	150	sn9c102_attach_sensor(cam, &tas5110c1b);
2ffab02f LR	151
1da177e4 LT	152	return 0;
1da177e4 LT	153	}