1 files changed, 174 insertions, 0 deletions

diff --git a/drivers/usb/media/sn9c102_tas5110c1b.c b/drivers/usb/media/sn9c102_tas5110c1b.c
new file mode 100644
index 000000000000..690d62192273
--- /dev/null
+++ b/drivers/usb/media/sn9c102_tas5110c1b.c
@@ -0,0 +1,174 @@
+/***************************************************************************
+ * Plug-in for TAS5110C1B image sensor connected to the SN9C10x PC Camera  *
+ * Controllers                                                             *
+ *                                                                         *
+ * Copyright (C) 2004-2005 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"
+
+
+static struct sn9c102_sensor tas5110c1b;
+
+static struct v4l2_control tas5110c1b_gain;
+
+
+static int tas5110c1b_init(struct sn9c102_device* cam)
+{
+        int err = 0;
+
+        err += sn9c102_write_reg(cam, 0x01, 0x01);
+        err += sn9c102_write_reg(cam, 0x44, 0x01);
+        err += sn9c102_write_reg(cam, 0x00, 0x10);
+        err += sn9c102_write_reg(cam, 0x00, 0x11);
+        err += sn9c102_write_reg(cam, 0x0a, 0x14);
+        err += sn9c102_write_reg(cam, 0x60, 0x17);
+        err += sn9c102_write_reg(cam, 0x06, 0x18);
+        err += sn9c102_write_reg(cam, 0xfb, 0x19);
+
+        err += sn9c102_i2c_write(cam, 0xc0, 0x80);
+
+        return err;
+}
+
+
+static int tas5110c1b_get_ctrl(struct sn9c102_device* cam, 
+                               struct v4l2_control* ctrl)
+{
+        switch (ctrl->id) {
+        case V4L2_CID_GAIN:
+                ctrl->value = tas5110c1b_gain.value;
+                break;
+        default:
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+
+static int tas5110c1b_set_ctrl(struct sn9c102_device* cam, 
+                               const struct v4l2_control* ctrl)
+{
+        int err = 0;
+
+        switch (ctrl->id) {
+        case V4L2_CID_GAIN:
+                if (!(err += sn9c102_i2c_write(cam, 0x20, 0xf6 - ctrl->value)))
+                        tas5110c1b_gain.value = 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 = &tas5110c1b;
+        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 struct sn9c102_sensor tas5110c1b = {
+        .name = "TAS5110C1B",
+        .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
+        .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,
+                },
+        },
+        .get_ctrl = &tas5110c1b_get_ctrl,
+        .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)
+{
+        /* This sensor has no identifiers, so let's attach it anyway */
+        sn9c102_attach_sensor(cam, &tas5110c1b);
+
+        /* Sensor detection is based on USB pid/vid */
+        if (le16_to_cpu(tas5110c1b.usbdev->descriptor.idProduct) != 0x6001 &&
+            le16_to_cpu(tas5110c1b.usbdev->descriptor.idProduct) != 0x6005 &&
+            le16_to_cpu(tas5110c1b.usbdev->descriptor.idProduct) != 0x60ab)
+                return -ENODEV;
+
+        return 0;
+}