diff options
Diffstat (limited to 'drivers/usb/media/et61x251_tas5130d1b.c')
| -rw-r--r-- | drivers/usb/media/et61x251_tas5130d1b.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/drivers/usb/media/et61x251_tas5130d1b.c b/drivers/usb/media/et61x251_tas5130d1b.c new file mode 100644 index 000000000000..65f1ae9cf2b3 --- /dev/null +++ b/drivers/usb/media/et61x251_tas5130d1b.c @@ -0,0 +1,137 @@ +/*************************************************************************** + * 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) +{ + /* This sensor has no identifiers, so let's attach it anyway */ + et61x251_attach_sensor(cam, &tas5130d1b); + + /* Sensor detection is based on USB pid/vid */ + if (le16_to_cpu(tas5130d1b.usbdev->descriptor.idProduct) != 0x6251) + return -ENODEV; + + return 0; +} |