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7e3a066070
- Implement audio ioctl's and VIDIOC_ENUM_FRAMESIZES - Documentation updates - Generic improvements Signed-off-by: Luca Risolia <luca.risolia@studio.unibo.it> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
362 lines
11 KiB
C
362 lines
11 KiB
C
/***************************************************************************
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* Plug-in for PAS202BCB image sensor connected to the ZC0301 Image *
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* Processor and Control Chip *
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* *
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* Copyright (C) 2006-2007 by Luca Risolia <luca.risolia@studio.unibo.it> *
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* *
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* Initialization values of the ZC0301[P] have been taken from the SPCA5XX *
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* driver maintained by Michel Xhaard <mxhaard@magic.fr> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software *
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
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***************************************************************************/
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/*
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NOTE: Sensor controls are disabled for now, becouse changing them while
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streaming sometimes results in out-of-sync video frames. We'll use
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the default initialization, until we know how to stop and start video
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in the chip. However, the image quality still looks good under various
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light conditions.
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*/
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#include <linux/delay.h>
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#include "zc0301_sensor.h"
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static struct zc0301_sensor pas202bcb;
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static int pas202bcb_init(struct zc0301_device* cam)
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{
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int err = 0;
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err += zc0301_write_reg(cam, 0x0002, 0x00);
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err += zc0301_write_reg(cam, 0x0003, 0x02);
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err += zc0301_write_reg(cam, 0x0004, 0x80);
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err += zc0301_write_reg(cam, 0x0005, 0x01);
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err += zc0301_write_reg(cam, 0x0006, 0xE0);
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err += zc0301_write_reg(cam, 0x0098, 0x00);
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err += zc0301_write_reg(cam, 0x009A, 0x03);
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err += zc0301_write_reg(cam, 0x011A, 0x00);
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err += zc0301_write_reg(cam, 0x011C, 0x03);
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err += zc0301_write_reg(cam, 0x009B, 0x01);
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err += zc0301_write_reg(cam, 0x009C, 0xE6);
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err += zc0301_write_reg(cam, 0x009D, 0x02);
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err += zc0301_write_reg(cam, 0x009E, 0x86);
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err += zc0301_i2c_write(cam, 0x02, 0x02);
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err += zc0301_i2c_write(cam, 0x0A, 0x01);
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err += zc0301_i2c_write(cam, 0x0B, 0x01);
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err += zc0301_i2c_write(cam, 0x0D, 0x00);
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err += zc0301_i2c_write(cam, 0x12, 0x05);
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err += zc0301_i2c_write(cam, 0x13, 0x63);
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err += zc0301_i2c_write(cam, 0x15, 0x70);
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err += zc0301_write_reg(cam, 0x0101, 0xB7);
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err += zc0301_write_reg(cam, 0x0100, 0x0D);
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err += zc0301_write_reg(cam, 0x0189, 0x06);
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err += zc0301_write_reg(cam, 0x01AD, 0x00);
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err += zc0301_write_reg(cam, 0x01C5, 0x03);
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err += zc0301_write_reg(cam, 0x01CB, 0x13);
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err += zc0301_write_reg(cam, 0x0250, 0x08);
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err += zc0301_write_reg(cam, 0x0301, 0x08);
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err += zc0301_write_reg(cam, 0x018D, 0x70);
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err += zc0301_write_reg(cam, 0x0008, 0x03);
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err += zc0301_write_reg(cam, 0x01C6, 0x04);
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err += zc0301_write_reg(cam, 0x01CB, 0x07);
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err += zc0301_write_reg(cam, 0x0120, 0x11);
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err += zc0301_write_reg(cam, 0x0121, 0x37);
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err += zc0301_write_reg(cam, 0x0122, 0x58);
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err += zc0301_write_reg(cam, 0x0123, 0x79);
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err += zc0301_write_reg(cam, 0x0124, 0x91);
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err += zc0301_write_reg(cam, 0x0125, 0xA6);
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err += zc0301_write_reg(cam, 0x0126, 0xB8);
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err += zc0301_write_reg(cam, 0x0127, 0xC7);
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err += zc0301_write_reg(cam, 0x0128, 0xD3);
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err += zc0301_write_reg(cam, 0x0129, 0xDE);
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err += zc0301_write_reg(cam, 0x012A, 0xE6);
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err += zc0301_write_reg(cam, 0x012B, 0xED);
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err += zc0301_write_reg(cam, 0x012C, 0xF3);
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err += zc0301_write_reg(cam, 0x012D, 0xF8);
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err += zc0301_write_reg(cam, 0x012E, 0xFB);
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err += zc0301_write_reg(cam, 0x012F, 0xFF);
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err += zc0301_write_reg(cam, 0x0130, 0x26);
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err += zc0301_write_reg(cam, 0x0131, 0x23);
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err += zc0301_write_reg(cam, 0x0132, 0x20);
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err += zc0301_write_reg(cam, 0x0133, 0x1C);
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err += zc0301_write_reg(cam, 0x0134, 0x16);
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err += zc0301_write_reg(cam, 0x0135, 0x13);
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err += zc0301_write_reg(cam, 0x0136, 0x10);
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err += zc0301_write_reg(cam, 0x0137, 0x0D);
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err += zc0301_write_reg(cam, 0x0138, 0x0B);
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err += zc0301_write_reg(cam, 0x0139, 0x09);
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err += zc0301_write_reg(cam, 0x013A, 0x07);
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err += zc0301_write_reg(cam, 0x013B, 0x06);
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err += zc0301_write_reg(cam, 0x013C, 0x05);
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err += zc0301_write_reg(cam, 0x013D, 0x04);
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err += zc0301_write_reg(cam, 0x013E, 0x03);
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err += zc0301_write_reg(cam, 0x013F, 0x02);
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err += zc0301_write_reg(cam, 0x010A, 0x4C);
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err += zc0301_write_reg(cam, 0x010B, 0xF5);
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err += zc0301_write_reg(cam, 0x010C, 0xFF);
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err += zc0301_write_reg(cam, 0x010D, 0xF9);
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err += zc0301_write_reg(cam, 0x010E, 0x51);
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err += zc0301_write_reg(cam, 0x010F, 0xF5);
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err += zc0301_write_reg(cam, 0x0110, 0xFB);
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err += zc0301_write_reg(cam, 0x0111, 0xED);
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err += zc0301_write_reg(cam, 0x0112, 0x5F);
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err += zc0301_write_reg(cam, 0x0180, 0x00);
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err += zc0301_write_reg(cam, 0x0019, 0x00);
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err += zc0301_write_reg(cam, 0x0087, 0x20);
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err += zc0301_write_reg(cam, 0x0088, 0x21);
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err += zc0301_i2c_write(cam, 0x20, 0x02);
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err += zc0301_i2c_write(cam, 0x21, 0x1B);
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err += zc0301_i2c_write(cam, 0x03, 0x44);
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err += zc0301_i2c_write(cam, 0x0E, 0x01);
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err += zc0301_i2c_write(cam, 0x0F, 0x00);
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err += zc0301_write_reg(cam, 0x01A9, 0x14);
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err += zc0301_write_reg(cam, 0x01AA, 0x24);
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err += zc0301_write_reg(cam, 0x0190, 0x00);
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err += zc0301_write_reg(cam, 0x0191, 0x02);
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err += zc0301_write_reg(cam, 0x0192, 0x1B);
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err += zc0301_write_reg(cam, 0x0195, 0x00);
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err += zc0301_write_reg(cam, 0x0196, 0x00);
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err += zc0301_write_reg(cam, 0x0197, 0x4D);
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err += zc0301_write_reg(cam, 0x018C, 0x10);
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err += zc0301_write_reg(cam, 0x018F, 0x20);
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err += zc0301_write_reg(cam, 0x001D, 0x44);
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err += zc0301_write_reg(cam, 0x001E, 0x6F);
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err += zc0301_write_reg(cam, 0x001F, 0xAD);
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err += zc0301_write_reg(cam, 0x0020, 0xEB);
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err += zc0301_write_reg(cam, 0x0087, 0x0F);
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err += zc0301_write_reg(cam, 0x0088, 0x0E);
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err += zc0301_write_reg(cam, 0x0180, 0x40);
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err += zc0301_write_reg(cam, 0x0192, 0x1B);
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err += zc0301_write_reg(cam, 0x0191, 0x02);
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err += zc0301_write_reg(cam, 0x0190, 0x00);
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err += zc0301_write_reg(cam, 0x0116, 0x1D);
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err += zc0301_write_reg(cam, 0x0117, 0x40);
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err += zc0301_write_reg(cam, 0x0118, 0x99);
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err += zc0301_write_reg(cam, 0x0180, 0x42);
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err += zc0301_write_reg(cam, 0x0116, 0x1D);
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err += zc0301_write_reg(cam, 0x0117, 0x40);
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err += zc0301_write_reg(cam, 0x0118, 0x99);
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err += zc0301_write_reg(cam, 0x0007, 0x00);
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err += zc0301_i2c_write(cam, 0x11, 0x01);
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msleep(100);
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return err;
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}
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static int pas202bcb_get_ctrl(struct zc0301_device* cam,
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struct v4l2_control* ctrl)
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{
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switch (ctrl->id) {
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case V4L2_CID_EXPOSURE:
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{
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int r1 = zc0301_i2c_read(cam, 0x04, 1),
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r2 = zc0301_i2c_read(cam, 0x05, 1);
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if (r1 < 0 || r2 < 0)
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return -EIO;
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ctrl->value = (r1 << 6) | (r2 & 0x3f);
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}
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return 0;
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case V4L2_CID_RED_BALANCE:
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if ((ctrl->value = zc0301_i2c_read(cam, 0x09, 1)) < 0)
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return -EIO;
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ctrl->value &= 0x0f;
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return 0;
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case V4L2_CID_BLUE_BALANCE:
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if ((ctrl->value = zc0301_i2c_read(cam, 0x07, 1)) < 0)
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return -EIO;
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ctrl->value &= 0x0f;
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return 0;
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case V4L2_CID_GAIN:
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if ((ctrl->value = zc0301_i2c_read(cam, 0x10, 1)) < 0)
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return -EIO;
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ctrl->value &= 0x1f;
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return 0;
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case ZC0301_V4L2_CID_GREEN_BALANCE:
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if ((ctrl->value = zc0301_i2c_read(cam, 0x08, 1)) < 0)
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return -EIO;
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ctrl->value &= 0x0f;
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return 0;
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case ZC0301_V4L2_CID_DAC_MAGNITUDE:
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if ((ctrl->value = zc0301_i2c_read(cam, 0x0c, 1)) < 0)
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return -EIO;
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return 0;
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default:
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return -EINVAL;
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}
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}
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static int pas202bcb_set_ctrl(struct zc0301_device* cam,
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const struct v4l2_control* ctrl)
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{
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int err = 0;
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switch (ctrl->id) {
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case V4L2_CID_EXPOSURE:
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err += zc0301_i2c_write(cam, 0x04, ctrl->value >> 6);
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err += zc0301_i2c_write(cam, 0x05, ctrl->value & 0x3f);
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break;
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case V4L2_CID_RED_BALANCE:
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err += zc0301_i2c_write(cam, 0x09, ctrl->value);
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break;
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case V4L2_CID_BLUE_BALANCE:
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err += zc0301_i2c_write(cam, 0x07, ctrl->value);
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break;
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case V4L2_CID_GAIN:
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err += zc0301_i2c_write(cam, 0x10, ctrl->value);
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break;
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case ZC0301_V4L2_CID_GREEN_BALANCE:
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err += zc0301_i2c_write(cam, 0x08, ctrl->value);
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break;
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case ZC0301_V4L2_CID_DAC_MAGNITUDE:
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err += zc0301_i2c_write(cam, 0x0c, ctrl->value);
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break;
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default:
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return -EINVAL;
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}
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err += zc0301_i2c_write(cam, 0x11, 0x01);
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return err ? -EIO : 0;
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}
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static struct zc0301_sensor pas202bcb = {
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.name = "PAS202BCB",
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.init = &pas202bcb_init,
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.qctrl = {
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{
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.id = V4L2_CID_EXPOSURE,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "exposure",
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.minimum = 0x01e5,
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.maximum = 0x3fff,
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.step = 0x0001,
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.default_value = 0x01e5,
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.flags = V4L2_CTRL_FLAG_DISABLED,
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},
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{
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.id = V4L2_CID_GAIN,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "global gain",
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.minimum = 0x00,
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.maximum = 0x1f,
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.step = 0x01,
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.default_value = 0x0c,
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.flags = V4L2_CTRL_FLAG_DISABLED,
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},
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{
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.id = ZC0301_V4L2_CID_DAC_MAGNITUDE,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "DAC magnitude",
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.minimum = 0x00,
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.maximum = 0xff,
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.step = 0x01,
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.default_value = 0x00,
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.flags = V4L2_CTRL_FLAG_DISABLED,
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},
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{
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.id = V4L2_CID_RED_BALANCE,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "red balance",
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.minimum = 0x00,
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.maximum = 0x0f,
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.step = 0x01,
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.default_value = 0x01,
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.flags = V4L2_CTRL_FLAG_DISABLED,
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},
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{
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.id = V4L2_CID_BLUE_BALANCE,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "blue balance",
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.minimum = 0x00,
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.maximum = 0x0f,
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.step = 0x01,
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.default_value = 0x05,
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.flags = V4L2_CTRL_FLAG_DISABLED,
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},
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{
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.id = ZC0301_V4L2_CID_GREEN_BALANCE,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "green balance",
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.minimum = 0x00,
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.maximum = 0x0f,
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.step = 0x01,
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.default_value = 0x00,
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.flags = V4L2_CTRL_FLAG_DISABLED,
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},
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},
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.get_ctrl = &pas202bcb_get_ctrl,
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.set_ctrl = &pas202bcb_set_ctrl,
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.cropcap = {
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.bounds = {
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.left = 0,
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.top = 0,
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.width = 640,
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.height = 480,
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},
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.defrect = {
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.left = 0,
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.top = 0,
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.width = 640,
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.height = 480,
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},
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},
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.pix_format = {
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.width = 640,
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.height = 480,
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.pixelformat = V4L2_PIX_FMT_JPEG,
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.priv = 8,
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},
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};
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int zc0301_probe_pas202bcb(struct zc0301_device* cam)
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{
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int r0 = 0, r1 = 0, err = 0;
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unsigned int pid = 0;
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err += zc0301_write_reg(cam, 0x0000, 0x01);
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err += zc0301_write_reg(cam, 0x0010, 0x0e);
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err += zc0301_write_reg(cam, 0x0001, 0x01);
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err += zc0301_write_reg(cam, 0x0012, 0x03);
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err += zc0301_write_reg(cam, 0x0012, 0x01);
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err += zc0301_write_reg(cam, 0x008d, 0x08);
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msleep(10);
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r0 = zc0301_i2c_read(cam, 0x00, 1);
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r1 = zc0301_i2c_read(cam, 0x01, 1);
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if (r0 < 0 || r1 < 0 || err)
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return -EIO;
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pid = (r0 << 4) | ((r1 & 0xf0) >> 4);
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if (pid != 0x017)
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return -ENODEV;
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zc0301_attach_sensor(cam, &pas202bcb);
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return 0;
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}
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