/*************************************************************************** * Plug-in for OV7630 image sensor connected to the SN9C10x PC Camera * * Controllers * * * * Copyright (C) 2005-2006 by Luca Risolia * * * * 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, 0x80); err += sn9c102_i2c_write(cam, 0x11, 0x01); 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, 0xf6); 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, 0xa0); err += sn9c102_i2c_write(cam, 0x29, 0x30); err += sn9c102_i2c_write(cam, 0x2a, 0xa0); err += sn9c102_i2c_write(cam, 0x2b, 0x1f); 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, 0x01, 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) | 0x78); 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 ", .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) { const struct usb_device_id ov7630_id_table[] = { { USB_DEVICE(0x0c45, 0x602c), }, { USB_DEVICE(0x0c45, 0x602d), }, { USB_DEVICE(0x0c45, 0x608f), }, { USB_DEVICE(0x0c45, 0x60b0), }, { } }; int err = 0; if (!sn9c102_match_id(cam, ov7630_id_table)) 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_try_write(cam, &ov7630, 0x0b, 0); if (err) return -ENODEV; sn9c102_attach_sensor(cam, &ov7630); return 0; }