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