summaryrefslogtreecommitdiffstats
path: root/drivers/usb/media/et61x251_tas5130d1b.c
blob: 3998d76a307a3a6cc9bafae9081eebd8e1d1b9d9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
/***************************************************************************
 * Plug-in for TAS5130D1B image sensor connected to the ET61X[12]51        *
 * PC Camera Controllers                                                   *
 *                                                                         *
 * Copyright (C) 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 "et61x251_sensor.h"


static int tas5130d1b_init(struct et61x251_device* cam)
{
	int err = 0;

	err += et61x251_write_reg(cam, 0x14, 0x01);
	err += et61x251_write_reg(cam, 0x1b, 0x02);
	err += et61x251_write_reg(cam, 0x02, 0x12);
	err += et61x251_write_reg(cam, 0x0e, 0x60);
	err += et61x251_write_reg(cam, 0x80, 0x61);
	err += et61x251_write_reg(cam, 0xf0, 0x62);
	err += et61x251_write_reg(cam, 0x03, 0x63);
	err += et61x251_write_reg(cam, 0x14, 0x64);
	err += et61x251_write_reg(cam, 0xf4, 0x65);
	err += et61x251_write_reg(cam, 0x01, 0x66);
	err += et61x251_write_reg(cam, 0x05, 0x67);
	err += et61x251_write_reg(cam, 0x8f, 0x68);
	err += et61x251_write_reg(cam, 0x0f, 0x8d);
	err += et61x251_write_reg(cam, 0x08, 0x8e);

	return err;
}


static int tas5130d1b_set_ctrl(struct et61x251_device* cam,
                               const struct v4l2_control* ctrl)
{
	int err = 0;

	switch (ctrl->id) {
	case V4L2_CID_GAIN:
		err += et61x251_i2c_raw_write(cam, 2, 0x20,
		                              0xf6-ctrl->value, 0, 0, 0,
		                              0, 0, 0, 0);
		break;
	case V4L2_CID_EXPOSURE:
		err += et61x251_i2c_raw_write(cam, 2, 0x40,
		                              0x47-ctrl->value, 0, 0, 0,
		                              0, 0, 0, 0);
		break;
	default:
		return -EINVAL;
	}

	return err ? -EIO : 0;
}


static struct et61x251_sensor tas5130d1b = {
	.name = "TAS5130D1B",
	.interface = ET61X251_I2C_3WIRES,
	.rsta = ET61X251_I2C_RSTA_STOP,
	.active_pixel = {
		.left = 106,
		.top = 13,
	},
	.init = &tas5130d1b_init,
	.qctrl = {
		{
			.id = V4L2_CID_GAIN,
			.type = V4L2_CTRL_TYPE_INTEGER,
			.name = "global gain",
			.minimum = 0x00,
			.maximum = 0xf6,
			.step = 0x02,
			.default_value = 0x0d,
			.flags = 0,
		},
		{
			.id = V4L2_CID_EXPOSURE,
			.type = V4L2_CTRL_TYPE_INTEGER,
			.name = "exposure",
			.minimum = 0x00,
			.maximum = 0x47,
			.step = 0x01,
			.default_value = 0x23,
			.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,
		},
	},
	.pix_format = {
		.width = 640,
		.height = 480,
		.pixelformat = V4L2_PIX_FMT_SBGGR8,
		.priv = 8,
	},
};


int et61x251_probe_tas5130d1b(struct et61x251_device* cam)
{
	const struct usb_device_id tas5130d1b_id_table[] = {
		{ USB_DEVICE(0x102c, 0x6251), },
		{ }
	};

	/* Sensor detection is based on USB pid/vid */
	if (!et61x251_match_id(cam, tas5130d1b_id_table))
		return -ENODEV;

	et61x251_attach_sensor(cam, &tas5130d1b);

	return 0;
}