/***************************************************************************
- * Driver for TAS5130D1B image sensor connected to the SN9C10[12] PC *
- * Camera Controllers *
+ * Plug-in for TAS5130D1B image sensor connected to the SN9C10x PC Camera *
+ * Controllers *
* *
- * Copyright (C) 2004 by Luca Risolia <luca.risolia@studio.unibo.it> *
+ * 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 *
err += sn9c102_write_reg(cam, 0x00, 0x14);
err += sn9c102_write_reg(cam, 0x60, 0x17);
err += sn9c102_write_reg(cam, 0x07, 0x18);
- err += sn9c102_write_reg(cam, 0x33, 0x19);
-
- err += sn9c102_i2c_try_raw_write(cam, &tas5130d1b, 4, 0x11, 0x00, 0x40,
- 0x47, 0, 0);
- err += sn9c102_i2c_try_raw_write(cam, &tas5130d1b, 4, 0x11, 0x02, 0x20,
- 0xa9, 0, 0);
- err += sn9c102_i2c_try_raw_write(cam, &tas5130d1b, 4, 0x11, 0x00, 0xc0,
- 0x49, 0, 0);
- err += sn9c102_i2c_try_raw_write(cam, &tas5130d1b, 4, 0x11, 0x02, 0x20,
- 0x6c, 0, 0);
- err += sn9c102_i2c_try_raw_write(cam, &tas5130d1b, 4, 0x11, 0x00, 0xc0,
- 0x08, 0, 0);
- err += sn9c102_i2c_try_raw_write(cam, &tas5130d1b, 4, 0x11, 0x00, 0x20,
- 0x00, 0, 0);
-
- err += sn9c102_write_reg(cam, 0x63, 0x19);
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;
- int err = 0;
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,
.height = 480,
.pixelformat = V4L2_PIX_FMT_SBGGR8,
.priv = 8,
- }
+ },
+ .set_pix_format = &tas5130d1b_set_pix_format
};
/* This sensor has no identifiers, so let's attach it anyway */
sn9c102_attach_sensor(cam, &tas5130d1b);
- /* At the moment, only devices whose PID is 0x6025 have this sensor */
- if (tas5130d1b.usbdev->descriptor.idProduct != 0x6025)
+ /* Sensor detection is based on USB pid/vid */
+ if (le16_to_cpu(tas5130d1b.usbdev->descriptor.idProduct) != 0x6025 &&
+ le16_to_cpu(tas5130d1b.usbdev->descriptor.idProduct) != 0x60aa)
return -ENODEV;
- dev_info(tas5130d1b.dev, "TAS5130D1B detected, but the support for it "
- "is disabled at the moment - needs further "
- "testing -\n");
-
- return -ENODEV;
+ return 0;
}