312 lines
9.3 KiB
C
312 lines
9.3 KiB
C
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/*
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* Driver for the ov9650 sensor
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*
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* Copyright (C) 2008 Erik Andrén
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* Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
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* Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
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*
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* Portions of code to USB interface and ALi driver software,
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* Copyright (c) 2006 Willem Duinker
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* v4l2 interface modeled after the V4L2 driver
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* for SN9C10x PC Camera Controllers
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, version 2.
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*
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*/
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#ifndef M5602_OV9650_H_
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#define M5602_OV9650_H_
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#include <linux/dmi.h>
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#include "m5602_sensor.h"
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/*****************************************************************************/
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#define OV9650_GAIN 0x00
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#define OV9650_BLUE 0x01
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#define OV9650_RED 0x02
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#define OV9650_VREF 0x03
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#define OV9650_COM1 0x04
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#define OV9650_BAVE 0x05
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#define OV9650_GEAVE 0x06
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#define OV9650_RSVD7 0x07
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#define OV9650_COM2 0x09
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#define OV9650_PID 0x0a
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#define OV9650_VER 0x0b
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#define OV9650_COM3 0x0c
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#define OV9650_COM4 0x0d
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#define OV9650_COM5 0x0e
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#define OV9650_COM6 0x0f
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#define OV9650_AECH 0x10
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#define OV9650_CLKRC 0x11
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#define OV9650_COM7 0x12
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#define OV9650_COM8 0x13
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#define OV9650_COM9 0x14
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#define OV9650_COM10 0x15
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#define OV9650_RSVD16 0x16
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#define OV9650_HSTART 0x17
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#define OV9650_HSTOP 0x18
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#define OV9650_VSTRT 0x19
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#define OV9650_VSTOP 0x1a
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#define OV9650_PSHFT 0x1b
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#define OV9650_MVFP 0x1e
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#define OV9650_AEW 0x24
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#define OV9650_AEB 0x25
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#define OV9650_VPT 0x26
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#define OV9650_BBIAS 0x27
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#define OV9650_GbBIAS 0x28
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#define OV9650_Gr_COM 0x29
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#define OV9650_RBIAS 0x2c
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#define OV9650_HREF 0x32
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#define OV9650_CHLF 0x33
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#define OV9650_ARBLM 0x34
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#define OV9650_RSVD35 0x35
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#define OV9650_RSVD36 0x36
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#define OV9650_ADC 0x37
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#define OV9650_ACOM38 0x38
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#define OV9650_OFON 0x39
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#define OV9650_TSLB 0x3a
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#define OV9650_COM12 0x3c
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#define OV9650_COM13 0x3d
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#define OV9650_COM15 0x40
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#define OV9650_COM16 0x41
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#define OV9650_LCC1 0x62
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#define OV9650_LCC2 0x63
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#define OV9650_LCC3 0x64
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#define OV9650_LCC4 0x65
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#define OV9650_LCC5 0x66
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#define OV9650_HV 0x69
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#define OV9650_DBLV 0x6b
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#define OV9650_COM21 0x8b
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#define OV9650_COM22 0x8c
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#define OV9650_COM24 0x8e
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#define OV9650_DBLC1 0x8f
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#define OV9650_RSVD94 0x94
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#define OV9650_RSVD95 0x95
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#define OV9650_RSVD96 0x96
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#define OV9650_LCCFB 0x9d
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#define OV9650_LCCFR 0x9e
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#define OV9650_AECHM 0xa1
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#define OV9650_COM26 0xa5
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#define OV9650_ACOMA8 0xa8
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#define OV9650_ACOMA9 0xa9
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#define OV9650_REGISTER_RESET (1 << 7)
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#define OV9650_VGA_SELECT (1 << 6)
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#define OV9650_CIF_SELECT (1 << 5)
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#define OV9650_QVGA_SELECT (1 << 4)
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#define OV9650_QCIF_SELECT (1 << 3)
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#define OV9650_RGB_SELECT (1 << 2)
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#define OV9650_RAW_RGB_SELECT (1 << 0)
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#define OV9650_FAST_AGC_AEC (1 << 7)
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#define OV9650_AEC_UNLIM_STEP_SIZE (1 << 6)
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#define OV9650_BANDING (1 << 5)
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#define OV9650_AGC_EN (1 << 2)
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#define OV9650_AWB_EN (1 << 1)
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#define OV9650_AEC_EN (1 << 0)
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#define OV9650_VARIOPIXEL (1 << 2)
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#define OV9650_SYSTEM_CLK_SEL (1 << 7)
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#define OV9650_SLAM_MODE (1 << 4)
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#define OV9650_QVGA_VARIOPIXEL (1 << 7)
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#define OV9650_VFLIP (1 << 4)
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#define OV9650_HFLIP (1 << 5)
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#define OV9650_SOFT_SLEEP (1 << 4)
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#define OV9650_OUTPUT_DRIVE_2X (1 << 0)
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#define OV9650_DENOISE_ENABLE (1 << 5)
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#define OV9650_WHITE_PIXEL_ENABLE (1 << 1)
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#define OV9650_WHITE_PIXEL_OPTION (1 << 0)
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#define OV9650_LEFT_OFFSET 0x62
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#define GAIN_DEFAULT 0x14
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#define RED_GAIN_DEFAULT 0x70
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#define BLUE_GAIN_DEFAULT 0x20
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#define EXPOSURE_DEFAULT 0x1ff
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/*****************************************************************************/
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/* Kernel module parameters */
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extern int force_sensor;
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extern int dump_sensor;
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int ov9650_probe(struct sd *sd);
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int ov9650_init(struct sd *sd);
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int ov9650_start(struct sd *sd);
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int ov9650_stop(struct sd *sd);
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void ov9650_disconnect(struct sd *sd);
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static const struct m5602_sensor ov9650 = {
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.name = "OV9650",
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.i2c_slave_id = 0x60,
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.i2c_regW = 1,
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.probe = ov9650_probe,
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.init = ov9650_init,
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.start = ov9650_start,
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.stop = ov9650_stop,
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.disconnect = ov9650_disconnect,
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};
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static const unsigned char preinit_ov9650[][3] =
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{
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/* [INITCAM] */
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{BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02},
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{BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0},
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{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00},
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{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
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{BRIDGE, M5602_XB_ADC_CTRL, 0xc0},
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{BRIDGE, M5602_XB_SENSOR_CTRL, 0x00},
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{BRIDGE, M5602_XB_SENSOR_TYPE, 0x08},
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{BRIDGE, M5602_XB_GPIO_DIR, 0x05},
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{BRIDGE, M5602_XB_GPIO_DAT, 0x04},
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{BRIDGE, M5602_XB_GPIO_EN_H, 0x06},
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{BRIDGE, M5602_XB_GPIO_DIR_H, 0x06},
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{BRIDGE, M5602_XB_GPIO_DAT_H, 0x00},
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{BRIDGE, M5602_XB_GPIO_DAT, 0x00},
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{BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a},
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/* Reset chip */
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{SENSOR, OV9650_COM7, OV9650_REGISTER_RESET},
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/* Enable double clock */
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{SENSOR, OV9650_CLKRC, 0x80},
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/* Do something out of spec with the power */
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{SENSOR, OV9650_OFON, 0x40}
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};
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static const unsigned char init_ov9650[][3] =
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{
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/* [INITCAM] */
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{BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02},
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{BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0},
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{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00},
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{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0},
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{BRIDGE, M5602_XB_ADC_CTRL, 0xc0},
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{BRIDGE, M5602_XB_SENSOR_CTRL, 0x00},
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{BRIDGE, M5602_XB_SENSOR_TYPE, 0x08},
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{BRIDGE, M5602_XB_GPIO_DIR, 0x05},
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{BRIDGE, M5602_XB_GPIO_DAT, 0x04},
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{BRIDGE, M5602_XB_GPIO_EN_H, 0x06},
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{BRIDGE, M5602_XB_GPIO_DIR_H, 0x06},
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{BRIDGE, M5602_XB_GPIO_DAT_H, 0x00},
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{BRIDGE, M5602_XB_GPIO_DAT, 0x00},
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{BRIDGE, M5602_XB_I2C_CLK_DIV, 0x0a},
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/* Reset chip */
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{SENSOR, OV9650_COM7, OV9650_REGISTER_RESET},
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/* One extra reset is needed in order to make the sensor behave
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properly when resuming from ram, could be a timing issue */
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{SENSOR, OV9650_COM7, OV9650_REGISTER_RESET},
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/* Enable double clock */
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{SENSOR, OV9650_CLKRC, 0x80},
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/* Do something out of spec with the power */
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{SENSOR, OV9650_OFON, 0x40},
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/* Set fast AGC/AEC algorithm with unlimited step size */
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{SENSOR, OV9650_COM8, OV9650_FAST_AGC_AEC |
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OV9650_AEC_UNLIM_STEP_SIZE},
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{SENSOR, OV9650_CHLF, 0x10},
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{SENSOR, OV9650_ARBLM, 0xbf},
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{SENSOR, OV9650_ACOM38, 0x81},
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/* Turn off color matrix coefficient double option */
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{SENSOR, OV9650_COM16, 0x00},
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/* Enable color matrix for RGB/YUV, Delay Y channel,
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set output Y/UV delay to 1 */
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{SENSOR, OV9650_COM13, 0x19},
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/* Enable digital BLC, Set output mode to U Y V Y */
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{SENSOR, OV9650_TSLB, 0x0c},
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/* Limit the AGC/AEC stable upper region */
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{SENSOR, OV9650_COM24, 0x00},
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/* Enable HREF and some out of spec things */
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{SENSOR, OV9650_COM12, 0x73},
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/* Set all DBLC offset signs to positive and
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do some out of spec stuff */
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{SENSOR, OV9650_DBLC1, 0xdf},
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{SENSOR, OV9650_COM21, 0x06},
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{SENSOR, OV9650_RSVD35, 0x91},
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/* Necessary, no camera stream without it */
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{SENSOR, OV9650_RSVD16, 0x06},
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{SENSOR, OV9650_RSVD94, 0x99},
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{SENSOR, OV9650_RSVD95, 0x99},
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{SENSOR, OV9650_RSVD96, 0x04},
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/* Enable full range output */
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{SENSOR, OV9650_COM15, 0x0},
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/* Enable HREF at optical black, enable ADBLC bias,
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enable ADBLC, reset timings at format change */
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{SENSOR, OV9650_COM6, 0x4b},
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/* Subtract 32 from the B channel bias */
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{SENSOR, OV9650_BBIAS, 0xa0},
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/* Subtract 32 from the Gb channel bias */
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{SENSOR, OV9650_GbBIAS, 0xa0},
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/* Do not bypass the analog BLC and to some out of spec stuff */
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{SENSOR, OV9650_Gr_COM, 0x00},
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/* Subtract 32 from the R channel bias */
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{SENSOR, OV9650_RBIAS, 0xa0},
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/* Subtract 32 from the R channel bias */
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{SENSOR, OV9650_RBIAS, 0x0},
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{SENSOR, OV9650_COM26, 0x80},
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{SENSOR, OV9650_ACOMA9, 0x98},
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/* Set the AGC/AEC stable region upper limit */
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{SENSOR, OV9650_AEW, 0x68},
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/* Set the AGC/AEC stable region lower limit */
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{SENSOR, OV9650_AEB, 0x5c},
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/* Set the high and low limit nibbles to 3 */
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{SENSOR, OV9650_VPT, 0xc3},
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/* Set the Automatic Gain Ceiling (AGC) to 128x,
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drop VSYNC at frame drop,
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limit exposure timing,
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drop frame when the AEC step is larger than the exposure gap */
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{SENSOR, OV9650_COM9, 0x6e},
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/* Set VSYNC negative, Set RESET to SLHS (slave mode horizontal sync)
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and set PWDN to SLVS (slave mode vertical sync) */
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{SENSOR, OV9650_COM10, 0x42},
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/* Set horizontal column start high to default value */
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{SENSOR, OV9650_HSTART, 0x1a}, /* 210 */
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/* Set horizontal column end */
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{SENSOR, OV9650_HSTOP, 0xbf}, /* 1534 */
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/* Complementing register to the two writes above */
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{SENSOR, OV9650_HREF, 0xb2},
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/* Set vertical row start high bits */
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{SENSOR, OV9650_VSTRT, 0x02},
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/* Set vertical row end low bits */
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{SENSOR, OV9650_VSTOP, 0x7e},
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/* Set complementing vertical frame control */
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{SENSOR, OV9650_VREF, 0x10},
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{SENSOR, OV9650_ADC, 0x04},
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{SENSOR, OV9650_HV, 0x40},
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/* Enable denoise, and white-pixel erase */
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{SENSOR, OV9650_COM22, OV9650_DENOISE_ENABLE |
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OV9650_WHITE_PIXEL_ENABLE |
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OV9650_WHITE_PIXEL_OPTION},
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/* Enable VARIOPIXEL */
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{SENSOR, OV9650_COM3, OV9650_VARIOPIXEL},
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{SENSOR, OV9650_COM4, OV9650_QVGA_VARIOPIXEL},
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/* Put the sensor in soft sleep mode */
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{SENSOR, OV9650_COM2, OV9650_SOFT_SLEEP | OV9650_OUTPUT_DRIVE_2X},
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};
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static const unsigned char res_init_ov9650[][3] =
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{
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{SENSOR, OV9650_COM2, OV9650_OUTPUT_DRIVE_2X},
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{BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x82},
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{BRIDGE, M5602_XB_LINE_OF_FRAME_L, 0x00},
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{BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82},
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{BRIDGE, M5602_XB_PIX_OF_LINE_L, 0x00},
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{BRIDGE, M5602_XB_SIG_INI, 0x01}
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};
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#endif
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