590 lines
20 KiB
C
590 lines
20 KiB
C
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/***************************************************************************
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* Plug-in for OV7660 image sensor connected to the SN9C1xx PC Camera *
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* Controllers *
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* *
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* Copyright (C) 2007 by Luca Risolia <luca.risolia@studio.unibo.it> *
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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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#include "sn9c102_sensor.h"
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static int ov7660_init(struct sn9c102_device* cam)
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{
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int err = 0;
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err += sn9c102_write_reg(cam, 0x40, 0x02);
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err += sn9c102_write_reg(cam, 0x00, 0x03);
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err += sn9c102_write_reg(cam, 0x1a, 0x04);
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err += sn9c102_write_reg(cam, 0x03, 0x10);
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err += sn9c102_write_reg(cam, 0x08, 0x14);
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err += sn9c102_write_reg(cam, 0x20, 0x17);
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err += sn9c102_write_reg(cam, 0x8b, 0x18);
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err += sn9c102_write_reg(cam, 0x00, 0x19);
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err += sn9c102_write_reg(cam, 0x1d, 0x1a);
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err += sn9c102_write_reg(cam, 0x10, 0x1b);
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err += sn9c102_write_reg(cam, 0x02, 0x1c);
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err += sn9c102_write_reg(cam, 0x03, 0x1d);
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err += sn9c102_write_reg(cam, 0x0f, 0x1e);
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err += sn9c102_write_reg(cam, 0x0c, 0x1f);
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err += sn9c102_write_reg(cam, 0x00, 0x20);
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err += sn9c102_write_reg(cam, 0x29, 0x21);
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err += sn9c102_write_reg(cam, 0x40, 0x22);
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err += sn9c102_write_reg(cam, 0x54, 0x23);
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err += sn9c102_write_reg(cam, 0x66, 0x24);
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err += sn9c102_write_reg(cam, 0x76, 0x25);
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err += sn9c102_write_reg(cam, 0x85, 0x26);
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err += sn9c102_write_reg(cam, 0x94, 0x27);
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err += sn9c102_write_reg(cam, 0xa1, 0x28);
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err += sn9c102_write_reg(cam, 0xae, 0x29);
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err += sn9c102_write_reg(cam, 0xbb, 0x2a);
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err += sn9c102_write_reg(cam, 0xc7, 0x2b);
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err += sn9c102_write_reg(cam, 0xd3, 0x2c);
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err += sn9c102_write_reg(cam, 0xde, 0x2d);
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err += sn9c102_write_reg(cam, 0xea, 0x2e);
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err += sn9c102_write_reg(cam, 0xf4, 0x2f);
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err += sn9c102_write_reg(cam, 0xff, 0x30);
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err += sn9c102_write_reg(cam, 0x00, 0x3F);
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err += sn9c102_write_reg(cam, 0xC7, 0x40);
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err += sn9c102_write_reg(cam, 0x01, 0x41);
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err += sn9c102_write_reg(cam, 0x44, 0x42);
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err += sn9c102_write_reg(cam, 0x00, 0x43);
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err += sn9c102_write_reg(cam, 0x44, 0x44);
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err += sn9c102_write_reg(cam, 0x00, 0x45);
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err += sn9c102_write_reg(cam, 0x44, 0x46);
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err += sn9c102_write_reg(cam, 0x00, 0x47);
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err += sn9c102_write_reg(cam, 0xC7, 0x48);
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err += sn9c102_write_reg(cam, 0x01, 0x49);
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err += sn9c102_write_reg(cam, 0xC7, 0x4A);
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err += sn9c102_write_reg(cam, 0x01, 0x4B);
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err += sn9c102_write_reg(cam, 0xC7, 0x4C);
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err += sn9c102_write_reg(cam, 0x01, 0x4D);
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err += sn9c102_write_reg(cam, 0x44, 0x4E);
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err += sn9c102_write_reg(cam, 0x00, 0x4F);
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err += sn9c102_write_reg(cam, 0x44, 0x50);
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err += sn9c102_write_reg(cam, 0x00, 0x51);
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err += sn9c102_write_reg(cam, 0x44, 0x52);
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err += sn9c102_write_reg(cam, 0x00, 0x53);
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err += sn9c102_write_reg(cam, 0xC7, 0x54);
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err += sn9c102_write_reg(cam, 0x01, 0x55);
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err += sn9c102_write_reg(cam, 0xC7, 0x56);
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err += sn9c102_write_reg(cam, 0x01, 0x57);
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err += sn9c102_write_reg(cam, 0xC7, 0x58);
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err += sn9c102_write_reg(cam, 0x01, 0x59);
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err += sn9c102_write_reg(cam, 0x44, 0x5A);
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err += sn9c102_write_reg(cam, 0x00, 0x5B);
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err += sn9c102_write_reg(cam, 0x44, 0x5C);
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err += sn9c102_write_reg(cam, 0x00, 0x5D);
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err += sn9c102_write_reg(cam, 0x44, 0x5E);
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err += sn9c102_write_reg(cam, 0x00, 0x5F);
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err += sn9c102_write_reg(cam, 0xC7, 0x60);
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err += sn9c102_write_reg(cam, 0x01, 0x61);
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err += sn9c102_write_reg(cam, 0xC7, 0x62);
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err += sn9c102_write_reg(cam, 0x01, 0x63);
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err += sn9c102_write_reg(cam, 0xC7, 0x64);
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err += sn9c102_write_reg(cam, 0x01, 0x65);
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err += sn9c102_write_reg(cam, 0x44, 0x66);
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err += sn9c102_write_reg(cam, 0x00, 0x67);
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err += sn9c102_write_reg(cam, 0x44, 0x68);
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err += sn9c102_write_reg(cam, 0x00, 0x69);
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err += sn9c102_write_reg(cam, 0x44, 0x6A);
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err += sn9c102_write_reg(cam, 0x00, 0x6B);
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err += sn9c102_write_reg(cam, 0xC7, 0x6C);
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err += sn9c102_write_reg(cam, 0x01, 0x6D);
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err += sn9c102_write_reg(cam, 0xC7, 0x6E);
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err += sn9c102_write_reg(cam, 0x01, 0x6F);
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err += sn9c102_write_reg(cam, 0xC7, 0x70);
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err += sn9c102_write_reg(cam, 0x01, 0x71);
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err += sn9c102_write_reg(cam, 0x44, 0x72);
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err += sn9c102_write_reg(cam, 0x00, 0x73);
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err += sn9c102_write_reg(cam, 0x44, 0x74);
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err += sn9c102_write_reg(cam, 0x00, 0x75);
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err += sn9c102_write_reg(cam, 0x44, 0x76);
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err += sn9c102_write_reg(cam, 0x00, 0x77);
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err += sn9c102_write_reg(cam, 0xC7, 0x78);
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err += sn9c102_write_reg(cam, 0x01, 0x79);
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err += sn9c102_write_reg(cam, 0xC7, 0x7A);
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err += sn9c102_write_reg(cam, 0x01, 0x7B);
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err += sn9c102_write_reg(cam, 0xC7, 0x7C);
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err += sn9c102_write_reg(cam, 0x01, 0x7D);
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err += sn9c102_write_reg(cam, 0x44, 0x7E);
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err += sn9c102_write_reg(cam, 0x00, 0x7F);
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err += sn9c102_write_reg(cam, 0x14, 0x84);
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err += sn9c102_write_reg(cam, 0x00, 0x85);
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err += sn9c102_write_reg(cam, 0x27, 0x86);
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err += sn9c102_write_reg(cam, 0x00, 0x87);
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err += sn9c102_write_reg(cam, 0x07, 0x88);
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err += sn9c102_write_reg(cam, 0x00, 0x89);
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err += sn9c102_write_reg(cam, 0xEC, 0x8A);
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err += sn9c102_write_reg(cam, 0x0f, 0x8B);
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err += sn9c102_write_reg(cam, 0xD8, 0x8C);
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err += sn9c102_write_reg(cam, 0x0f, 0x8D);
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err += sn9c102_write_reg(cam, 0x3D, 0x8E);
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err += sn9c102_write_reg(cam, 0x00, 0x8F);
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err += sn9c102_write_reg(cam, 0x3D, 0x90);
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err += sn9c102_write_reg(cam, 0x00, 0x91);
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err += sn9c102_write_reg(cam, 0xCD, 0x92);
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err += sn9c102_write_reg(cam, 0x0f, 0x93);
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err += sn9c102_write_reg(cam, 0xf7, 0x94);
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err += sn9c102_write_reg(cam, 0x0f, 0x95);
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err += sn9c102_write_reg(cam, 0x0C, 0x96);
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err += sn9c102_write_reg(cam, 0x00, 0x97);
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err += sn9c102_write_reg(cam, 0x00, 0x98);
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err += sn9c102_write_reg(cam, 0x66, 0x99);
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err += sn9c102_write_reg(cam, 0x05, 0x9A);
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err += sn9c102_write_reg(cam, 0x00, 0x9B);
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err += sn9c102_write_reg(cam, 0x04, 0x9C);
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err += sn9c102_write_reg(cam, 0x00, 0x9D);
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err += sn9c102_write_reg(cam, 0x08, 0x9E);
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err += sn9c102_write_reg(cam, 0x00, 0x9F);
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err += sn9c102_write_reg(cam, 0x2D, 0xC0);
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err += sn9c102_write_reg(cam, 0x2D, 0xC1);
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err += sn9c102_write_reg(cam, 0x3A, 0xC2);
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err += sn9c102_write_reg(cam, 0x05, 0xC3);
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err += sn9c102_write_reg(cam, 0x04, 0xC4);
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err += sn9c102_write_reg(cam, 0x3F, 0xC5);
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err += sn9c102_write_reg(cam, 0x00, 0xC6);
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err += sn9c102_write_reg(cam, 0x00, 0xC7);
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err += sn9c102_write_reg(cam, 0x50, 0xC8);
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err += sn9c102_write_reg(cam, 0x3C, 0xC9);
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err += sn9c102_write_reg(cam, 0x28, 0xCA);
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err += sn9c102_write_reg(cam, 0xD8, 0xCB);
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err += sn9c102_write_reg(cam, 0x14, 0xCC);
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err += sn9c102_write_reg(cam, 0xEC, 0xCD);
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err += sn9c102_write_reg(cam, 0x32, 0xCE);
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err += sn9c102_write_reg(cam, 0xDD, 0xCF);
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err += sn9c102_write_reg(cam, 0x32, 0xD0);
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err += sn9c102_write_reg(cam, 0xDD, 0xD1);
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err += sn9c102_write_reg(cam, 0x6A, 0xD2);
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err += sn9c102_write_reg(cam, 0x50, 0xD3);
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err += sn9c102_write_reg(cam, 0x00, 0xD4);
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err += sn9c102_write_reg(cam, 0x00, 0xD5);
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err += sn9c102_write_reg(cam, 0x00, 0xD6);
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err += sn9c102_i2c_write(cam, 0x12, 0x80);
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err += sn9c102_i2c_write(cam, 0x11, 0x09);
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err += sn9c102_i2c_write(cam, 0x00, 0x0A);
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err += sn9c102_i2c_write(cam, 0x01, 0x78);
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err += sn9c102_i2c_write(cam, 0x02, 0x90);
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err += sn9c102_i2c_write(cam, 0x03, 0x00);
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err += sn9c102_i2c_write(cam, 0x04, 0x00);
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err += sn9c102_i2c_write(cam, 0x05, 0x08);
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err += sn9c102_i2c_write(cam, 0x06, 0x0B);
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err += sn9c102_i2c_write(cam, 0x07, 0x00);
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err += sn9c102_i2c_write(cam, 0x08, 0x1C);
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err += sn9c102_i2c_write(cam, 0x09, 0x01);
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err += sn9c102_i2c_write(cam, 0x0A, 0x76);
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err += sn9c102_i2c_write(cam, 0x0B, 0x60);
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err += sn9c102_i2c_write(cam, 0x0C, 0x00);
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err += sn9c102_i2c_write(cam, 0x0D, 0x08);
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err += sn9c102_i2c_write(cam, 0x0E, 0x04);
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err += sn9c102_i2c_write(cam, 0x0F, 0x6F);
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err += sn9c102_i2c_write(cam, 0x10, 0x20);
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err += sn9c102_i2c_write(cam, 0x11, 0x03);
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err += sn9c102_i2c_write(cam, 0x12, 0x05);
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err += sn9c102_i2c_write(cam, 0x13, 0xF8);
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err += sn9c102_i2c_write(cam, 0x14, 0x2C);
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err += sn9c102_i2c_write(cam, 0x15, 0x00);
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err += sn9c102_i2c_write(cam, 0x16, 0x02);
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err += sn9c102_i2c_write(cam, 0x17, 0x10);
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err += sn9c102_i2c_write(cam, 0x18, 0x60);
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err += sn9c102_i2c_write(cam, 0x19, 0x02);
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err += sn9c102_i2c_write(cam, 0x1A, 0x7B);
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err += sn9c102_i2c_write(cam, 0x1B, 0x02);
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err += sn9c102_i2c_write(cam, 0x1C, 0x7F);
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err += sn9c102_i2c_write(cam, 0x1D, 0xA2);
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err += sn9c102_i2c_write(cam, 0x1E, 0x01);
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err += sn9c102_i2c_write(cam, 0x1F, 0x0E);
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err += sn9c102_i2c_write(cam, 0x20, 0x05);
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err += sn9c102_i2c_write(cam, 0x21, 0x05);
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err += sn9c102_i2c_write(cam, 0x22, 0x05);
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err += sn9c102_i2c_write(cam, 0x23, 0x05);
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err += sn9c102_i2c_write(cam, 0x24, 0x68);
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err += sn9c102_i2c_write(cam, 0x25, 0x58);
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err += sn9c102_i2c_write(cam, 0x26, 0xD4);
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err += sn9c102_i2c_write(cam, 0x27, 0x80);
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err += sn9c102_i2c_write(cam, 0x28, 0x80);
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err += sn9c102_i2c_write(cam, 0x29, 0x30);
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err += sn9c102_i2c_write(cam, 0x2A, 0x00);
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err += sn9c102_i2c_write(cam, 0x2B, 0x00);
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err += sn9c102_i2c_write(cam, 0x2C, 0x80);
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err += sn9c102_i2c_write(cam, 0x2D, 0x00);
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err += sn9c102_i2c_write(cam, 0x2E, 0x00);
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err += sn9c102_i2c_write(cam, 0x2F, 0x0E);
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err += sn9c102_i2c_write(cam, 0x30, 0x08);
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err += sn9c102_i2c_write(cam, 0x31, 0x30);
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err += sn9c102_i2c_write(cam, 0x32, 0xB4);
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err += sn9c102_i2c_write(cam, 0x33, 0x00);
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err += sn9c102_i2c_write(cam, 0x34, 0x07);
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err += sn9c102_i2c_write(cam, 0x35, 0x84);
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err += sn9c102_i2c_write(cam, 0x36, 0x00);
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err += sn9c102_i2c_write(cam, 0x37, 0x0C);
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err += sn9c102_i2c_write(cam, 0x38, 0x02);
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err += sn9c102_i2c_write(cam, 0x39, 0x43);
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err += sn9c102_i2c_write(cam, 0x3A, 0x00);
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err += sn9c102_i2c_write(cam, 0x3B, 0x02);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x3C, 0x6C);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x3D, 0x99);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x3E, 0x0E);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x3F, 0x41);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x40, 0xC1);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x41, 0x22);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x42, 0x08);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x43, 0xF0);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x44, 0x10);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x45, 0x78);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x46, 0xA8);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x47, 0x60);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x48, 0x80);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x49, 0x00);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x4A, 0x00);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x4B, 0x00);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x4C, 0x00);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x4D, 0x00);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x4E, 0x00);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x4F, 0x46);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x50, 0x36);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x51, 0x0F);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x52, 0x17);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x53, 0x7F);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x54, 0x96);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x55, 0x40);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x56, 0x40);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x57, 0x40);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x58, 0x0F);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x59, 0xBA);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x5A, 0x9A);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x5B, 0x22);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x5C, 0xB9);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x5D, 0x9B);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x5E, 0x10);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x5F, 0xF0);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x60, 0x05);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x61, 0x60);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x62, 0x00);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x63, 0x00);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x64, 0x50);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x65, 0x30);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x66, 0x00);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x67, 0x80);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x68, 0x7A);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x69, 0x90);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x6A, 0x80);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x6B, 0x0A);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x6C, 0x30);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x6D, 0x48);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x6E, 0x80);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x6F, 0x74);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x70, 0x64);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x71, 0x60);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x72, 0x5C);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x73, 0x58);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x74, 0x54);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x75, 0x4C);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x76, 0x40);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x77, 0x38);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x78, 0x34);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x79, 0x30);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x7A, 0x2F);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x7B, 0x2B);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x7C, 0x03);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x7D, 0x07);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x7E, 0x17);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x7F, 0x34);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x80, 0x41);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x81, 0x4D);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x82, 0x58);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x83, 0x63);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x84, 0x6E);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x85, 0x77);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x86, 0x87);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x87, 0x95);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x88, 0xAF);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x89, 0xC7);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x8A, 0xDF);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x8B, 0x99);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x8C, 0x99);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x8D, 0xCF);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x8E, 0x20);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x8F, 0x26);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x90, 0x10);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x91, 0x0C);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x92, 0x25);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x93, 0x00);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x94, 0x50);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x95, 0x50);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x96, 0x00);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x97, 0x01);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x98, 0x10);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x99, 0x40);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x9A, 0x40);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x9B, 0x20);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x9C, 0x00);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x9D, 0x99);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x9E, 0x7F);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x9F, 0x00);
|
||
|
|
err += sn9c102_i2c_write(cam, 0xA0, 0x00);
|
||
|
|
err += sn9c102_i2c_write(cam, 0xA1, 0x00);
|
||
|
|
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static int ov7660_get_ctrl(struct sn9c102_device* cam,
|
||
|
|
struct v4l2_control* ctrl)
|
||
|
|
{
|
||
|
|
int err = 0;
|
||
|
|
|
||
|
|
switch (ctrl->id) {
|
||
|
|
case V4L2_CID_EXPOSURE:
|
||
|
|
if ((ctrl->value = sn9c102_i2c_read(cam, 0x10)) < 0)
|
||
|
|
return -EIO;
|
||
|
|
break;
|
||
|
|
case V4L2_CID_DO_WHITE_BALANCE:
|
||
|
|
ctrl->value = sn9c102_pread_reg(cam, 0x02);
|
||
|
|
ctrl->value = (ctrl->value & 0x04) ? 1 : 0;
|
||
|
|
break;
|
||
|
|
case V4L2_CID_RED_BALANCE:
|
||
|
|
ctrl->value = sn9c102_pread_reg(cam, 0x05);
|
||
|
|
ctrl->value &= 0x7f;
|
||
|
|
break;
|
||
|
|
case V4L2_CID_BLUE_BALANCE:
|
||
|
|
ctrl->value = sn9c102_pread_reg(cam, 0x06);
|
||
|
|
ctrl->value &= 0x7f;
|
||
|
|
break;
|
||
|
|
case SN9C102_V4L2_CID_GREEN_BALANCE:
|
||
|
|
ctrl->value = sn9c102_pread_reg(cam, 0x07);
|
||
|
|
ctrl->value &= 0x7f;
|
||
|
|
break;
|
||
|
|
case V4L2_CID_GAIN:
|
||
|
|
if ((ctrl->value = sn9c102_i2c_read(cam, 0x00)) < 0)
|
||
|
|
return -EIO;
|
||
|
|
ctrl->value &= 0x7f;
|
||
|
|
break;
|
||
|
|
case V4L2_CID_AUTOGAIN:
|
||
|
|
if ((ctrl->value = sn9c102_i2c_read(cam, 0x13)) < 0)
|
||
|
|
return -EIO;
|
||
|
|
ctrl->value &= 0x01;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return err ? -EIO : 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static int ov7660_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);
|
||
|
|
break;
|
||
|
|
case V4L2_CID_DO_WHITE_BALANCE:
|
||
|
|
err += sn9c102_write_reg(cam, 0x43 | (ctrl->value << 2), 0x02);
|
||
|
|
break;
|
||
|
|
case V4L2_CID_RED_BALANCE:
|
||
|
|
err += sn9c102_write_reg(cam, ctrl->value, 0x05);
|
||
|
|
break;
|
||
|
|
case V4L2_CID_BLUE_BALANCE:
|
||
|
|
err += sn9c102_write_reg(cam, ctrl->value, 0x06);
|
||
|
|
break;
|
||
|
|
case SN9C102_V4L2_CID_GREEN_BALANCE:
|
||
|
|
err += sn9c102_write_reg(cam, ctrl->value, 0x07);
|
||
|
|
break;
|
||
|
|
case V4L2_CID_GAIN:
|
||
|
|
err += sn9c102_i2c_write(cam, 0x00, ctrl->value);
|
||
|
|
break;
|
||
|
|
case V4L2_CID_AUTOGAIN:
|
||
|
|
err += sn9c102_i2c_write(cam, 0x13, 0xf0 | ctrl->value |
|
||
|
|
(ctrl->value << 1));
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return err ? -EIO : 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static int ov7660_set_crop(struct sn9c102_device* cam,
|
||
|
|
const struct v4l2_rect* rect)
|
||
|
|
{
|
||
|
|
struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
|
||
|
|
int err = 0;
|
||
|
|
u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 1,
|
||
|
|
v_start = (u8)(rect->top - s->cropcap.bounds.top) + 1;
|
||
|
|
|
||
|
|
err += sn9c102_write_reg(cam, h_start, 0x12);
|
||
|
|
err += sn9c102_write_reg(cam, v_start, 0x13);
|
||
|
|
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static int ov7660_set_pix_format(struct sn9c102_device* cam,
|
||
|
|
const struct v4l2_pix_format* pix)
|
||
|
|
{
|
||
|
|
int r0, err = 0;
|
||
|
|
|
||
|
|
r0 = sn9c102_pread_reg(cam, 0x01);
|
||
|
|
|
||
|
|
if (pix->pixelformat == V4L2_PIX_FMT_JPEG) {
|
||
|
|
err += sn9c102_write_reg(cam, r0 | 0x40, 0x01);
|
||
|
|
err += sn9c102_write_reg(cam, 0xa2, 0x17);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x11, 0x00);
|
||
|
|
} else {
|
||
|
|
err += sn9c102_write_reg(cam, r0 | 0x40, 0x01);
|
||
|
|
err += sn9c102_write_reg(cam, 0xa2, 0x17);
|
||
|
|
err += sn9c102_i2c_write(cam, 0x11, 0x0d);
|
||
|
|
}
|
||
|
|
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static struct sn9c102_sensor ov7660 = {
|
||
|
|
.name = "OV7660",
|
||
|
|
.maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
|
||
|
|
.supported_bridge = BRIDGE_SN9C105 | BRIDGE_SN9C120,
|
||
|
|
.sysfs_ops = SN9C102_I2C_READ | SN9C102_I2C_WRITE,
|
||
|
|
.frequency = SN9C102_I2C_100KHZ,
|
||
|
|
.interface = SN9C102_I2C_2WIRES,
|
||
|
|
.i2c_slave_id = 0x21,
|
||
|
|
.init = &ov7660_init,
|
||
|
|
.qctrl = {
|
||
|
|
{
|
||
|
|
.id = V4L2_CID_GAIN,
|
||
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
||
|
|
.name = "global gain",
|
||
|
|
.minimum = 0x00,
|
||
|
|
.maximum = 0x7f,
|
||
|
|
.step = 0x01,
|
||
|
|
.default_value = 0x0a,
|
||
|
|
.flags = 0,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.id = V4L2_CID_EXPOSURE,
|
||
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
||
|
|
.name = "exposure",
|
||
|
|
.minimum = 0x00,
|
||
|
|
.maximum = 0xff,
|
||
|
|
.step = 0x01,
|
||
|
|
.default_value = 0x50,
|
||
|
|
.flags = 0,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.id = V4L2_CID_DO_WHITE_BALANCE,
|
||
|
|
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
||
|
|
.name = "night mode",
|
||
|
|
.minimum = 0x00,
|
||
|
|
.maximum = 0x01,
|
||
|
|
.step = 0x01,
|
||
|
|
.default_value = 0x00,
|
||
|
|
.flags = 0,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.id = V4L2_CID_RED_BALANCE,
|
||
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
||
|
|
.name = "red balance",
|
||
|
|
.minimum = 0x00,
|
||
|
|
.maximum = 0x7f,
|
||
|
|
.step = 0x01,
|
||
|
|
.default_value = 0x1f,
|
||
|
|
.flags = 0,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.id = V4L2_CID_BLUE_BALANCE,
|
||
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
||
|
|
.name = "blue balance",
|
||
|
|
.minimum = 0x00,
|
||
|
|
.maximum = 0x7f,
|
||
|
|
.step = 0x01,
|
||
|
|
.default_value = 0x1e,
|
||
|
|
.flags = 0,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.id = V4L2_CID_AUTOGAIN,
|
||
|
|
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
||
|
|
.name = "auto adjust",
|
||
|
|
.minimum = 0x00,
|
||
|
|
.maximum = 0x01,
|
||
|
|
.step = 0x01,
|
||
|
|
.default_value = 0x00,
|
||
|
|
.flags = 0,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.id = SN9C102_V4L2_CID_GREEN_BALANCE,
|
||
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
||
|
|
.name = "green balance",
|
||
|
|
.minimum = 0x00,
|
||
|
|
.maximum = 0x7f,
|
||
|
|
.step = 0x01,
|
||
|
|
.default_value = 0x20,
|
||
|
|
.flags = 0,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
.get_ctrl = &ov7660_get_ctrl,
|
||
|
|
.set_ctrl = &ov7660_set_ctrl,
|
||
|
|
.cropcap = {
|
||
|
|
.bounds = {
|
||
|
|
.left = 0,
|
||
|
|
.top = 0,
|
||
|
|
.width = 640,
|
||
|
|
.height = 480,
|
||
|
|
},
|
||
|
|
.defrect = {
|
||
|
|
.left = 0,
|
||
|
|
.top = 0,
|
||
|
|
.width = 640,
|
||
|
|
.height = 480,
|
||
|
|
},
|
||
|
|
},
|
||
|
|
.set_crop = &ov7660_set_crop,
|
||
|
|
.pix_format = {
|
||
|
|
.width = 640,
|
||
|
|
.height = 480,
|
||
|
|
.pixelformat = V4L2_PIX_FMT_JPEG,
|
||
|
|
.priv = 8,
|
||
|
|
},
|
||
|
|
.set_pix_format = &ov7660_set_pix_format
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
int sn9c102_probe_ov7660(struct sn9c102_device* cam)
|
||
|
|
{
|
||
|
|
int pid, ver, err = 0;
|
||
|
|
|
||
|
|
err += sn9c102_write_reg(cam, 0x01, 0xf1);
|
||
|
|
err += sn9c102_write_reg(cam, 0x00, 0xf1);
|
||
|
|
err += sn9c102_write_reg(cam, 0x01, 0x01);
|
||
|
|
err += sn9c102_write_reg(cam, 0x00, 0x01);
|
||
|
|
err += sn9c102_write_reg(cam, 0x28, 0x17);
|
||
|
|
|
||
|
|
pid = sn9c102_i2c_try_read(cam, &ov7660, 0x0a);
|
||
|
|
ver = sn9c102_i2c_try_read(cam, &ov7660, 0x0b);
|
||
|
|
if (err || pid < 0 || ver < 0)
|
||
|
|
return -EIO;
|
||
|
|
if (pid != 0x76 || ver != 0x60)
|
||
|
|
return -ENODEV;
|
||
|
|
sn9c102_attach_sensor(cam, &ov7660);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|