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

/***************************************************************************
 * Plug-in for TAS5130D1B image sensor connected to the SN9C10x PC Camera  *
 * Controllers                                                             *
 *                                                                         *
 * Copyright (C) 2004-2006 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 struct sn9c102_sensor tas5130d1b;


static int tas5130d1b_init(struct sn9c102_device* cam)
{
	int err = 0;

	err += sn9c102_write_reg(cam, 0x01, 0x01);
	err += sn9c102_write_reg(cam, 0x20, 0x17);
	err += sn9c102_write_reg(cam, 0x04, 0x01);
	err += sn9c102_write_reg(cam, 0x01, 0x10);
	err += sn9c102_write_reg(cam, 0x00, 0x11);
	err += sn9c102_write_reg(cam, 0x00, 0x14);
	err += sn9c102_write_reg(cam, 0x60, 0x17);
	err += sn9c102_write_reg(cam, 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 = &tas5130d1b;
	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 struct sn9c102_sensor tas5130d1b = {
	.name = "TAS5130D1B",
	.maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
	.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, 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 LT	1	/***************************************************************************
	2	* Plug-in for TAS5130D1B image sensor connected to the SN9C10x PC Camera *
	3	* Controllers *
	4	* *
a966f3e7	5	* Copyright (C) 2004-2006 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
	25	static struct sn9c102_sensor tas5130d1b;
	26
1da177e4 LT	27
	28	static int tas5130d1b_init(struct sn9c102_device* cam)
	29	{
	30	int err = 0;
	31
	32	err += sn9c102_write_reg(cam, 0x01, 0x01);
	33	err += sn9c102_write_reg(cam, 0x20, 0x17);
	34	err += sn9c102_write_reg(cam, 0x04, 0x01);
	35	err += sn9c102_write_reg(cam, 0x01, 0x10);
	36	err += sn9c102_write_reg(cam, 0x00, 0x11);
	37	err += sn9c102_write_reg(cam, 0x00, 0x14);
	38	err += sn9c102_write_reg(cam, 0x60, 0x17);
	39	err += sn9c102_write_reg(cam, 0x07, 0x18);
	40
	41	return err;
	42	}
	43
	44
d56410e0 MCC	45	static int tas5130d1b_set_ctrl(struct sn9c102_device* cam,
d56410e0 MCC	46	const struct v4l2_control* ctrl)
1da177e4 LT	47	{
	48	int err = 0;
	49
	50	switch (ctrl->id) {
	51	case V4L2_CID_GAIN:
b9df978f	52	err += sn9c102_i2c_write(cam, 0x20, 0xf6 - ctrl->value);
1da177e4 LT	53	break;
1da177e4 LT	54	case V4L2_CID_EXPOSURE:
b9df978f	55	err += sn9c102_i2c_write(cam, 0x40, 0x47 - ctrl->value);
1da177e4 LT	56	break;
	57	default:
	58	return -EINVAL;
	59	}
	60
	61	return err ? -EIO : 0;
	62	}
	63
	64
d56410e0 MCC	65	static int tas5130d1b_set_crop(struct sn9c102_device* cam,
d56410e0 MCC	66	const struct v4l2_rect* rect)
1da177e4 LT	67	{
	68	struct sn9c102_sensor* s = &tas5130d1b;
	69	u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 104,
	70	v_start = (u8)(rect->top - s->cropcap.bounds.top) + 12;
	71	int err = 0;
	72
	73	err += sn9c102_write_reg(cam, h_start, 0x12);
	74	err += sn9c102_write_reg(cam, v_start, 0x13);
	75
	76	/* Do NOT change! */
	77	err += sn9c102_write_reg(cam, 0x1f, 0x1a);
	78	err += sn9c102_write_reg(cam, 0x1a, 0x1b);
	79	err += sn9c102_write_reg(cam, sn9c102_pread_reg(cam, 0x19), 0x19);
	80
	81	return err;
	82	}
	83
	84
d56410e0 MCC	85	static int tas5130d1b_set_pix_format(struct sn9c102_device* cam,
d56410e0 MCC	86	const struct v4l2_pix_format* pix)
1da177e4 LT	87	{
	88	int err = 0;
	89
	90	if (pix->pixelformat == V4L2_PIX_FMT_SN9C10X)
	91	err += sn9c102_write_reg(cam, 0x63, 0x19);
	92	else
	93	err += sn9c102_write_reg(cam, 0xf3, 0x19);
	94
	95	return err;
	96	}
	97
	98
	99	static struct sn9c102_sensor tas5130d1b = {
	100	.name = "TAS5130D1B",
	101	.maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
	102	.sysfs_ops = SN9C102_I2C_WRITE,
	103	.frequency = SN9C102_I2C_100KHZ,
	104	.interface = SN9C102_I2C_3WIRES,
	105	.init = &tas5130d1b_init,
	106	.qctrl = {
	107	{
	108	.id = V4L2_CID_GAIN,
	109	.type = V4L2_CTRL_TYPE_INTEGER,
	110	.name = "global gain",
	111	.minimum = 0x00,
	112	.maximum = 0xf6,
	113	.step = 0x02,
	114	.default_value = 0x00,
	115	.flags = 0,
	116	},
	117	{
	118	.id = V4L2_CID_EXPOSURE,
	119	.type = V4L2_CTRL_TYPE_INTEGER,
	120	.name = "exposure",
	121	.minimum = 0x00,
	122	.maximum = 0x47,
	123	.step = 0x01,
	124	.default_value = 0x00,
	125	.flags = 0,
	126	},
	127	},
1da177e4 LT	128	.set_ctrl = &tas5130d1b_set_ctrl,
	129	.cropcap = {
	130	.bounds = {
	131	.left = 0,
	132	.top = 0,
	133	.width = 640,
	134	.height = 480,
	135	},
	136	.defrect = {
	137	.left = 0,
	138	.top = 0,
	139	.width = 640,
	140	.height = 480,
	141	},
	142	},
	143	.set_crop = &tas5130d1b_set_crop,
	144	.pix_format = {
	145	.width = 640,
	146	.height = 480,
	147	.pixelformat = V4L2_PIX_FMT_SBGGR8,
	148	.priv = 8,
	149	},
	150	.set_pix_format = &tas5130d1b_set_pix_format
	151	};
	152
	153
	154	int sn9c102_probe_tas5130d1b(struct sn9c102_device* cam)
	155	{
2ffab02f LR	156	const struct usb_device_id tas5130d1b_id_table[] = {
	157	{ USB_DEVICE(0x0c45, 0x6025), },
	158	{ USB_DEVICE(0x0c45, 0x60aa), },
	159	{ }
	160	};
1da177e4 LT	161
1da177e4 LT	162	/* Sensor detection is based on USB pid/vid */
2ffab02f	163	if (!sn9c102_match_id(cam, tas5130d1b_id_table))
1da177e4 LT	164	return -ENODEV;
1da177e4 LT	165
2ffab02f LR	166	sn9c102_attach_sensor(cam, &tas5130d1b);
2ffab02f LR	167
1da177e4 LT	168	return 0;
1da177e4 LT	169	}