diff options
author | Steven Whitehouse <swhiteho@redhat.com> | 2006-03-31 15:34:58 -0500 |
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committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-03-31 15:34:58 -0500 |
commit | 86579dd06deecfa6ac88d5e84e4d63c397cd6f6d (patch) | |
tree | b4475d3ccde53015ad84a06e4e55e64591171b75 /drivers/media/video/sn9c102/sn9c102_ov7630.c | |
parent | 7ea9ea832212c4a755650f7c7cc1ff0b63292a41 (diff) | |
parent | a0f067802576d4eb4c65d40b8ee7d6ea3c81dd61 (diff) | |
download | linux-stable-86579dd06deecfa6ac88d5e84e4d63c397cd6f6d.tar.gz linux-stable-86579dd06deecfa6ac88d5e84e4d63c397cd6f6d.tar.bz2 linux-stable-86579dd06deecfa6ac88d5e84e4d63c397cd6f6d.zip |
Merge branch 'master'
Diffstat (limited to 'drivers/media/video/sn9c102/sn9c102_ov7630.c')
-rw-r--r-- | drivers/media/video/sn9c102/sn9c102_ov7630.c | 401 |
1 files changed, 401 insertions, 0 deletions
diff --git a/drivers/media/video/sn9c102/sn9c102_ov7630.c b/drivers/media/video/sn9c102/sn9c102_ov7630.c new file mode 100644 index 000000000000..3da042021787 --- /dev/null +++ b/drivers/media/video/sn9c102/sn9c102_ov7630.c @@ -0,0 +1,401 @@ +/*************************************************************************** + * Plug-in for OV7630 image sensor connected to the SN9C10x PC Camera * + * Controllers * + * * + * Copyright (C) 2005-2006 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 "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 <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) +{ + 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; +} |