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path: root/drivers/media/usb/sn9c102/sn9c102_tas5110c1b.c
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Diffstat (limited to 'drivers/media/usb/sn9c102/sn9c102_tas5110c1b.c')
-rw-r--r--drivers/media/usb/sn9c102/sn9c102_tas5110c1b.c154
1 files changed, 154 insertions, 0 deletions
diff --git a/drivers/media/usb/sn9c102/sn9c102_tas5110c1b.c b/drivers/media/usb/sn9c102/sn9c102_tas5110c1b.c
new file mode 100644
index 000000000000..04cdfdde8564
--- /dev/null
+++ b/drivers/media/usb/sn9c102/sn9c102_tas5110c1b.c
@@ -0,0 +1,154 @@
+/***************************************************************************
+ * 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;
+}