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path: root/drivers/usb/media/sn9c102_ov7630.c
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Diffstat (limited to 'drivers/usb/media/sn9c102_ov7630.c')
-rw-r--r--drivers/usb/media/sn9c102_ov7630.c394
1 files changed, 394 insertions, 0 deletions
diff --git a/drivers/usb/media/sn9c102_ov7630.c b/drivers/usb/media/sn9c102_ov7630.c
new file mode 100644
index 0000000..d27c5ae
--- /dev/null
+++ b/drivers/usb/media/sn9c102_ov7630.c
@@ -0,0 +1,394 @@
+/***************************************************************************
+ * Plug-in for OV7630 image sensor connected to the SN9C10x PC Camera *
+ * Controllers *
+ * *
+ * Copyright (C) 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 ov7630;
+
+
+static int ov7630_init(struct sn9c102_device* cam)
+{
+ int err = 0;
+
+ err += sn9c102_write_reg(cam, 0x00, 0x14);
+ err += sn9c102_write_reg(cam, 0x60, 0x17);
+ err += sn9c102_write_reg(cam, 0x0f, 0x18);
+ err += sn9c102_write_reg(cam, 0x50, 0x19);
+
+ err += sn9c102_i2c_write(cam, 0x12, 0x8d);
+ err += sn9c102_i2c_write(cam, 0x11, 0x00);
+ err += sn9c102_i2c_write(cam, 0x15, 0x34);
+ err += sn9c102_i2c_write(cam, 0x16, 0x03);
+ err += sn9c102_i2c_write(cam, 0x17, 0x1c);
+ err += sn9c102_i2c_write(cam, 0x18, 0xbd);
+ err += sn9c102_i2c_write(cam, 0x19, 0x06);
+ err += sn9c102_i2c_write(cam, 0x1a, 0xf6);
+ err += sn9c102_i2c_write(cam, 0x1b, 0x04);
+ err += sn9c102_i2c_write(cam, 0x20, 0x44);
+ err += sn9c102_i2c_write(cam, 0x23, 0xee);
+ err += sn9c102_i2c_write(cam, 0x26, 0xa0);
+ err += sn9c102_i2c_write(cam, 0x27, 0x9a);
+ err += sn9c102_i2c_write(cam, 0x28, 0x20);
+ err += sn9c102_i2c_write(cam, 0x29, 0x30);
+ err += sn9c102_i2c_write(cam, 0x2f, 0x3d);
+ err += sn9c102_i2c_write(cam, 0x30, 0x24);
+ err += sn9c102_i2c_write(cam, 0x32, 0x86);
+ err += sn9c102_i2c_write(cam, 0x60, 0xa9);
+ err += sn9c102_i2c_write(cam, 0x61, 0x42);
+ err += sn9c102_i2c_write(cam, 0x65, 0x00);
+ err += sn9c102_i2c_write(cam, 0x69, 0x38);
+ err += sn9c102_i2c_write(cam, 0x6f, 0x88);
+ err += sn9c102_i2c_write(cam, 0x70, 0x0b);
+ err += sn9c102_i2c_write(cam, 0x71, 0x00);
+ err += sn9c102_i2c_write(cam, 0x74, 0x21);
+ err += sn9c102_i2c_write(cam, 0x7d, 0xf7);
+
+ return err;
+}
+
+
+static int ov7630_set_ctrl(struct sn9c102_device* cam,
+ const struct v4l2_control* ctrl)
+{
+ int err = 0;
+
+ switch (ctrl->id) {
+ case V4L2_CID_EXPOSURE:
+ err += sn9c102_i2c_write(cam, 0x10, ctrl->value >> 2);
+ err += sn9c102_i2c_write(cam, 0x76, ctrl->value & 0x03);
+ break;
+ case V4L2_CID_RED_BALANCE:
+ err += sn9c102_i2c_write(cam, 0x02, ctrl->value);
+ break;
+ case V4L2_CID_BLUE_BALANCE:
+ err += sn9c102_i2c_write(cam, 0x03, ctrl->value);
+ break;
+ case V4L2_CID_GAIN:
+ err += sn9c102_i2c_write(cam, 0x00, ctrl->value);
+ break;
+ case V4L2_CID_CONTRAST:
+ err += ctrl->value ? sn9c102_i2c_write(cam, 0x05,
+ (ctrl->value-1) | 0x20)
+ : sn9c102_i2c_write(cam, 0x05, 0x00);
+ break;
+ case V4L2_CID_BRIGHTNESS:
+ err += sn9c102_i2c_write(cam, 0x06, ctrl->value);
+ break;
+ case V4L2_CID_SATURATION:
+ err += sn9c102_i2c_write(cam, 0x03, ctrl->value << 4);
+ break;
+ case V4L2_CID_HUE:
+ err += ctrl->value ? sn9c102_i2c_write(cam, 0x04,
+ (ctrl->value-1) | 0x20)
+ : sn9c102_i2c_write(cam, 0x04, 0x00);
+ break;
+ case V4L2_CID_DO_WHITE_BALANCE:
+ err += sn9c102_i2c_write(cam, 0x0c, ctrl->value);
+ break;
+ case V4L2_CID_WHITENESS:
+ err += sn9c102_i2c_write(cam, 0x0d, ctrl->value);
+ break;
+ case V4L2_CID_AUTO_WHITE_BALANCE:
+ err += sn9c102_i2c_write(cam, 0x12, (ctrl->value << 2) | 0x09);
+ break;
+ case V4L2_CID_AUTOGAIN:
+ err += sn9c102_i2c_write(cam, 0x13, ctrl->value);
+ break;
+ case V4L2_CID_VFLIP:
+ err += sn9c102_i2c_write(cam, 0x75, 0x0e | (ctrl->value << 7));
+ break;
+ case V4L2_CID_BLACK_LEVEL:
+ err += sn9c102_i2c_write(cam, 0x25, ctrl->value);
+ break;
+ case SN9C102_V4L2_CID_BRIGHT_LEVEL:
+ err += sn9c102_i2c_write(cam, 0x24, ctrl->value);
+ break;
+ case SN9C102_V4L2_CID_GAMMA:
+ err += sn9c102_i2c_write(cam, 0x14, (ctrl->value << 2) | 0x80);
+ break;
+ case SN9C102_V4L2_CID_BAND_FILTER:
+ err += sn9c102_i2c_write(cam, 0x2d, ctrl->value << 2);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return err ? -EIO : 0;
+}
+
+
+static int ov7630_set_crop(struct sn9c102_device* cam,
+ const struct v4l2_rect* rect)
+{
+ struct sn9c102_sensor* s = &ov7630;
+ int err = 0;
+ u8 v_start = (u8)(rect->top - s->cropcap.bounds.top) + 1;
+
+ err += sn9c102_write_reg(cam, v_start, 0x13);
+
+ return err;
+}
+
+
+static int ov7630_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, 0x20, 0x19);
+ else
+ err += sn9c102_write_reg(cam, 0x50, 0x19);
+
+ return err;
+}
+
+
+static struct sn9c102_sensor ov7630 = {
+ .name = "OV7630",
+ .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
+ .sysfs_ops = SN9C102_I2C_WRITE,
+ .frequency = SN9C102_I2C_100KHZ,
+ .interface = SN9C102_I2C_2WIRES,
+ .i2c_slave_id = 0x21,
+ .init = &ov7630_init,
+ .qctrl = {
+ {
+ .id = V4L2_CID_GAIN,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "global gain",
+ .minimum = 0x00,
+ .maximum = 0x3f,
+ .step = 0x01,
+ .default_value = 0x14,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_HUE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "hue",
+ .minimum = 0x00,
+ .maximum = 0x1f+1,
+ .step = 0x01,
+ .default_value = 0x00,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_SATURATION,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "saturation",
+ .minimum = 0x00,
+ .maximum = 0x0f,
+ .step = 0x01,
+ .default_value = 0x08,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_CONTRAST,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "contrast",
+ .minimum = 0x00,
+ .maximum = 0x1f+1,
+ .step = 0x01,
+ .default_value = 0x00,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_EXPOSURE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "exposure",
+ .minimum = 0x000,
+ .maximum = 0x3ff,
+ .step = 0x001,
+ .default_value = 0x83<<2,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_RED_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "red balance",
+ .minimum = 0x00,
+ .maximum = 0xff,
+ .step = 0x01,
+ .default_value = 0x3a,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_BLUE_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "blue balance",
+ .minimum = 0x00,
+ .maximum = 0xff,
+ .step = 0x01,
+ .default_value = 0x77,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_BRIGHTNESS,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "brightness",
+ .minimum = 0x00,
+ .maximum = 0xff,
+ .step = 0x01,
+ .default_value = 0xa0,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_DO_WHITE_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "white balance background: blue",
+ .minimum = 0x00,
+ .maximum = 0x3f,
+ .step = 0x01,
+ .default_value = 0x20,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_WHITENESS,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "white balance background: red",
+ .minimum = 0x00,
+ .maximum = 0x3f,
+ .step = 0x01,
+ .default_value = 0x20,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_AUTO_WHITE_BALANCE,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "auto white balance",
+ .minimum = 0x00,
+ .maximum = 0x01,
+ .step = 0x01,
+ .default_value = 0x01,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_AUTOGAIN,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "gain & exposure mode",
+ .minimum = 0x00,
+ .maximum = 0x03,
+ .step = 0x01,
+ .default_value = 0x00,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_VFLIP,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "vertical flip",
+ .minimum = 0x00,
+ .maximum = 0x01,
+ .step = 0x01,
+ .default_value = 0x01,
+ .flags = 0,
+ },
+ {
+ .id = V4L2_CID_BLACK_LEVEL,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "black pixel ratio",
+ .minimum = 0x01,
+ .maximum = 0x9a,
+ .step = 0x01,
+ .default_value = 0x8a,
+ .flags = 0,
+ },
+ {
+ .id = SN9C102_V4L2_CID_BRIGHT_LEVEL,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "bright pixel ratio",
+ .minimum = 0x01,
+ .maximum = 0x9a,
+ .step = 0x01,
+ .default_value = 0x10,
+ .flags = 0,
+ },
+ {
+ .id = SN9C102_V4L2_CID_BAND_FILTER,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "band filter",
+ .minimum = 0x00,
+ .maximum = 0x01,
+ .step = 0x01,
+ .default_value = 0x00,
+ .flags = 0,
+ },
+ {
+ .id = SN9C102_V4L2_CID_GAMMA,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .name = "rgb gamma",
+ .minimum = 0x00,
+ .maximum = 0x01,
+ .step = 0x01,
+ .default_value = 0x00,
+ .flags = 0,
+ },
+ },
+ .set_ctrl = &ov7630_set_ctrl,
+ .cropcap = {
+ .bounds = {
+ .left = 0,
+ .top = 0,
+ .width = 640,
+ .height = 480,
+ },
+ .defrect = {
+ .left = 0,
+ .top = 0,
+ .width = 640,
+ .height = 480,
+ },
+ },
+ .set_crop = &ov7630_set_crop,
+ .pix_format = {
+ .width = 640,
+ .height = 480,
+ .pixelformat = V4L2_PIX_FMT_SBGGR8,
+ .priv = 8,
+ },
+ .set_pix_format = &ov7630_set_pix_format
+};
+
+
+int sn9c102_probe_ov7630(struct sn9c102_device* cam)
+{
+ int err = 0;
+
+ sn9c102_attach_sensor(cam, &ov7630);
+
+ if (le16_to_cpu(ov7630.usbdev->descriptor.idProduct) != 0x608f &&
+ le16_to_cpu(ov7630.usbdev->descriptor.idProduct) != 0x602c)
+ return -ENODEV;
+
+ err += sn9c102_write_reg(cam, 0x01, 0x01);
+ err += sn9c102_write_reg(cam, 0x00, 0x01);
+ err += sn9c102_write_reg(cam, 0x28, 0x17);
+
+ if (err)
+ return -EIO;
+
+ err += sn9c102_i2c_write(cam, 0x0b, 0);
+ if (err)
+ return -ENODEV;
+
+ return 0;
+}
generated by cgit v1.1 at 2024-10-31 22:10:39 +0000