Loading...
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | /***************************************************************************
* 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"
#include "sn9c102_devtable.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;
}
|