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path: root/drivers/usb/media/et61x251_tas5130d1b.c
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Diffstat (limited to 'drivers/usb/media/et61x251_tas5130d1b.c')
-rw-r--r--drivers/usb/media/et61x251_tas5130d1b.c137
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 00000000000..65f1ae9cf2b
--- /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;
+}