Release 4.11 drivers/media/i2c/soc_camera/ov772x.c
/*
* ov772x Camera Driver
*
* Copyright (C) 2008 Renesas Solutions Corp.
* Kuninori Morimoto <morimoto.kuninori@renesas.com>
*
* Based on ov7670 and soc_camera_platform driver,
*
* Copyright 2006-7 Jonathan Corbet <corbet@lwn.net>
* Copyright (C) 2008 Magnus Damm
* Copyright (C) 2008, Guennadi Liakhovetski <kernel@pengutronix.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/v4l2-mediabus.h>
#include <linux/videodev2.h>
#include <media/i2c/ov772x.h>
#include <media/soc_camera.h>
#include <media/v4l2-clk.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-subdev.h>
#include <media/v4l2-image-sizes.h>
/*
* register offset
*/
#define GAIN 0x00
/* AGC - Gain control gain setting */
#define BLUE 0x01
/* AWB - Blue channel gain setting */
#define RED 0x02
/* AWB - Red channel gain setting */
#define GREEN 0x03
/* AWB - Green channel gain setting */
#define COM1 0x04
/* Common control 1 */
#define BAVG 0x05
/* U/B Average Level */
#define GAVG 0x06
/* Y/Gb Average Level */
#define RAVG 0x07
/* V/R Average Level */
#define AECH 0x08
/* Exposure Value - AEC MSBs */
#define COM2 0x09
/* Common control 2 */
#define PID 0x0A
/* Product ID Number MSB */
#define VER 0x0B
/* Product ID Number LSB */
#define COM3 0x0C
/* Common control 3 */
#define COM4 0x0D
/* Common control 4 */
#define COM5 0x0E
/* Common control 5 */
#define COM6 0x0F
/* Common control 6 */
#define AEC 0x10
/* Exposure Value */
#define CLKRC 0x11
/* Internal clock */
#define COM7 0x12
/* Common control 7 */
#define COM8 0x13
/* Common control 8 */
#define COM9 0x14
/* Common control 9 */
#define COM10 0x15
/* Common control 10 */
#define REG16 0x16
/* Register 16 */
#define HSTART 0x17
/* Horizontal sensor size */
#define HSIZE 0x18
/* Horizontal frame (HREF column) end high 8-bit */
#define VSTART 0x19
/* Vertical frame (row) start high 8-bit */
#define VSIZE 0x1A
/* Vertical sensor size */
#define PSHFT 0x1B
/* Data format - pixel delay select */
#define MIDH 0x1C
/* Manufacturer ID byte - high */
#define MIDL 0x1D
/* Manufacturer ID byte - low */
#define LAEC 0x1F
/* Fine AEC value */
#define COM11 0x20
/* Common control 11 */
#define BDBASE 0x22
/* Banding filter Minimum AEC value */
#define DBSTEP 0x23
/* Banding filter Maximum Setp */
#define AEW 0x24
/* AGC/AEC - Stable operating region (upper limit) */
#define AEB 0x25
/* AGC/AEC - Stable operating region (lower limit) */
#define VPT 0x26
/* AGC/AEC Fast mode operating region */
#define REG28 0x28
/* Register 28 */
#define HOUTSIZE 0x29
/* Horizontal data output size MSBs */
#define EXHCH 0x2A
/* Dummy pixel insert MSB */
#define EXHCL 0x2B
/* Dummy pixel insert LSB */
#define VOUTSIZE 0x2C
/* Vertical data output size MSBs */
#define ADVFL 0x2D
/* LSB of insert dummy lines in Vertical direction */
#define ADVFH 0x2E
/* MSG of insert dummy lines in Vertical direction */
#define YAVE 0x2F
/* Y/G Channel Average value */
#define LUMHTH 0x30
/* Histogram AEC/AGC Luminance high level threshold */
#define LUMLTH 0x31
/* Histogram AEC/AGC Luminance low level threshold */
#define HREF 0x32
/* Image start and size control */
#define DM_LNL 0x33
/* Dummy line low 8 bits */
#define DM_LNH 0x34
/* Dummy line high 8 bits */
#define ADOFF_B 0x35
/* AD offset compensation value for B channel */
#define ADOFF_R 0x36
/* AD offset compensation value for R channel */
#define ADOFF_GB 0x37
/* AD offset compensation value for Gb channel */
#define ADOFF_GR 0x38
/* AD offset compensation value for Gr channel */
#define OFF_B 0x39
/* Analog process B channel offset value */
#define OFF_R 0x3A
/* Analog process R channel offset value */
#define OFF_GB 0x3B
/* Analog process Gb channel offset value */
#define OFF_GR 0x3C
/* Analog process Gr channel offset value */
#define COM12 0x3D
/* Common control 12 */
#define COM13 0x3E
/* Common control 13 */
#define COM14 0x3F
/* Common control 14 */
#define COM15 0x40
/* Common control 15*/
#define COM16 0x41
/* Common control 16 */
#define TGT_B 0x42
/* BLC blue channel target value */
#define TGT_R 0x43
/* BLC red channel target value */
#define TGT_GB 0x44
/* BLC Gb channel target value */
#define TGT_GR 0x45
/* BLC Gr channel target value */
/* for ov7720 */
#define LCC0 0x46
/* Lens correction control 0 */
#define LCC1 0x47
/* Lens correction option 1 - X coordinate */
#define LCC2 0x48
/* Lens correction option 2 - Y coordinate */
#define LCC3 0x49
/* Lens correction option 3 */
#define LCC4 0x4A
/* Lens correction option 4 - radius of the circular */
#define LCC5 0x4B
/* Lens correction option 5 */
#define LCC6 0x4C
/* Lens correction option 6 */
/* for ov7725 */
#define LC_CTR 0x46
/* Lens correction control */
#define LC_XC 0x47
/* X coordinate of lens correction center relative */
#define LC_YC 0x48
/* Y coordinate of lens correction center relative */
#define LC_COEF 0x49
/* Lens correction coefficient */
#define LC_RADI 0x4A
/* Lens correction radius */
#define LC_COEFB 0x4B
/* Lens B channel compensation coefficient */
#define LC_COEFR 0x4C
/* Lens R channel compensation coefficient */
#define FIXGAIN 0x4D
/* Analog fix gain amplifer */
#define AREF0 0x4E
/* Sensor reference control */
#define AREF1 0x4F
/* Sensor reference current control */
#define AREF2 0x50
/* Analog reference control */
#define AREF3 0x51
/* ADC reference control */
#define AREF4 0x52
/* ADC reference control */
#define AREF5 0x53
/* ADC reference control */
#define AREF6 0x54
/* Analog reference control */
#define AREF7 0x55
/* Analog reference control */
#define UFIX 0x60
/* U channel fixed value output */
#define VFIX 0x61
/* V channel fixed value output */
#define AWBB_BLK 0x62
/* AWB option for advanced AWB */
#define AWB_CTRL0 0x63
/* AWB control byte 0 */
#define DSP_CTRL1 0x64
/* DSP control byte 1 */
#define DSP_CTRL2 0x65
/* DSP control byte 2 */
#define DSP_CTRL3 0x66
/* DSP control byte 3 */
#define DSP_CTRL4 0x67
/* DSP control byte 4 */
#define AWB_BIAS 0x68
/* AWB BLC level clip */
#define AWB_CTRL1 0x69
/* AWB control 1 */
#define AWB_CTRL2 0x6A
/* AWB control 2 */
#define AWB_CTRL3 0x6B
/* AWB control 3 */
#define AWB_CTRL4 0x6C
/* AWB control 4 */
#define AWB_CTRL5 0x6D
/* AWB control 5 */
#define AWB_CTRL6 0x6E
/* AWB control 6 */
#define AWB_CTRL7 0x6F
/* AWB control 7 */
#define AWB_CTRL8 0x70
/* AWB control 8 */
#define AWB_CTRL9 0x71
/* AWB control 9 */
#define AWB_CTRL10 0x72
/* AWB control 10 */
#define AWB_CTRL11 0x73
/* AWB control 11 */
#define AWB_CTRL12 0x74
/* AWB control 12 */
#define AWB_CTRL13 0x75
/* AWB control 13 */
#define AWB_CTRL14 0x76
/* AWB control 14 */
#define AWB_CTRL15 0x77
/* AWB control 15 */
#define AWB_CTRL16 0x78
/* AWB control 16 */
#define AWB_CTRL17 0x79
/* AWB control 17 */
#define AWB_CTRL18 0x7A
/* AWB control 18 */
#define AWB_CTRL19 0x7B
/* AWB control 19 */
#define AWB_CTRL20 0x7C
/* AWB control 20 */
#define AWB_CTRL21 0x7D
/* AWB control 21 */
#define GAM1 0x7E
/* Gamma Curve 1st segment input end point */
#define GAM2 0x7F
/* Gamma Curve 2nd segment input end point */
#define GAM3 0x80
/* Gamma Curve 3rd segment input end point */
#define GAM4 0x81
/* Gamma Curve 4th segment input end point */
#define GAM5 0x82
/* Gamma Curve 5th segment input end point */
#define GAM6 0x83
/* Gamma Curve 6th segment input end point */
#define GAM7 0x84
/* Gamma Curve 7th segment input end point */
#define GAM8 0x85
/* Gamma Curve 8th segment input end point */
#define GAM9 0x86
/* Gamma Curve 9th segment input end point */
#define GAM10 0x87
/* Gamma Curve 10th segment input end point */
#define GAM11 0x88
/* Gamma Curve 11th segment input end point */
#define GAM12 0x89
/* Gamma Curve 12th segment input end point */
#define GAM13 0x8A
/* Gamma Curve 13th segment input end point */
#define GAM14 0x8B
/* Gamma Curve 14th segment input end point */
#define GAM15 0x8C
/* Gamma Curve 15th segment input end point */
#define SLOP 0x8D
/* Gamma curve highest segment slope */
#define DNSTH 0x8E
/* De-noise threshold */
#define EDGE_STRNGT 0x8F
/* Edge strength control when manual mode */
#define EDGE_TRSHLD 0x90
/* Edge threshold control when manual mode */
#define DNSOFF 0x91
/* Auto De-noise threshold control */
#define EDGE_UPPER 0x92
/* Edge strength upper limit when Auto mode */
#define EDGE_LOWER 0x93
/* Edge strength lower limit when Auto mode */
#define MTX1 0x94
/* Matrix coefficient 1 */
#define MTX2 0x95
/* Matrix coefficient 2 */
#define MTX3 0x96
/* Matrix coefficient 3 */
#define MTX4 0x97
/* Matrix coefficient 4 */
#define MTX5 0x98
/* Matrix coefficient 5 */
#define MTX6 0x99
/* Matrix coefficient 6 */
#define MTX_CTRL 0x9A
/* Matrix control */
#define BRIGHT 0x9B
/* Brightness control */
#define CNTRST 0x9C
/* Contrast contrast */
#define CNTRST_CTRL 0x9D
/* Contrast contrast center */
#define UVAD_J0 0x9E
/* Auto UV adjust contrast 0 */
#define UVAD_J1 0x9F
/* Auto UV adjust contrast 1 */
#define SCAL0 0xA0
/* Scaling control 0 */
#define SCAL1 0xA1
/* Scaling control 1 */
#define SCAL2 0xA2
/* Scaling control 2 */
#define FIFODLYM 0xA3
/* FIFO manual mode delay control */
#define FIFODLYA 0xA4
/* FIFO auto mode delay control */
#define SDE 0xA6
/* Special digital effect control */
#define USAT 0xA7
/* U component saturation control */
#define VSAT 0xA8
/* V component saturation control */
/* for ov7720 */
#define HUE0 0xA9
/* Hue control 0 */
#define HUE1 0xAA
/* Hue control 1 */
/* for ov7725 */
#define HUECOS 0xA9
/* Cosine value */
#define HUESIN 0xAA
/* Sine value */
#define SIGN 0xAB
/* Sign bit for Hue and contrast */
#define DSPAUTO 0xAC
/* DSP auto function ON/OFF control */
/*
* register detail
*/
/* COM2 */
#define SOFT_SLEEP_MODE 0x10
/* Soft sleep mode */
/* Output drive capability */
#define OCAP_1x 0x00
/* 1x */
#define OCAP_2x 0x01
/* 2x */
#define OCAP_3x 0x02
/* 3x */
#define OCAP_4x 0x03
/* 4x */
/* COM3 */
#define SWAP_MASK (SWAP_RGB | SWAP_YUV | SWAP_ML)
#define IMG_MASK (VFLIP_IMG | HFLIP_IMG)
#define VFLIP_IMG 0x80
/* Vertical flip image ON/OFF selection */
#define HFLIP_IMG 0x40
/* Horizontal mirror image ON/OFF selection */
#define SWAP_RGB 0x20
/* Swap B/R output sequence in RGB mode */
#define SWAP_YUV 0x10
/* Swap Y/UV output sequence in YUV mode */
#define SWAP_ML 0x08
/* Swap output MSB/LSB */
/* Tri-state option for output clock */
#define NOTRI_CLOCK 0x04
/* 0: Tri-state at this period */
/* 1: No tri-state at this period */
/* Tri-state option for output data */
#define NOTRI_DATA 0x02
/* 0: Tri-state at this period */
/* 1: No tri-state at this period */
#define SCOLOR_TEST 0x01
/* Sensor color bar test pattern */
/* COM4 */
/* PLL frequency control */
#define PLL_BYPASS 0x00
/* 00: Bypass PLL */
#define PLL_4x 0x40
/* 01: PLL 4x */
#define PLL_6x 0x80
/* 10: PLL 6x */
#define PLL_8x 0xc0
/* 11: PLL 8x */
/* AEC evaluate window */
#define AEC_FULL 0x00
/* 00: Full window */
#define AEC_1p2 0x10
/* 01: 1/2 window */
#define AEC_1p4 0x20
/* 10: 1/4 window */
#define AEC_2p3 0x30
/* 11: Low 2/3 window */
/* COM5 */
#define AFR_ON_OFF 0x80
/* Auto frame rate control ON/OFF selection */
#define AFR_SPPED 0x40
/* Auto frame rate control speed selection */
/* Auto frame rate max rate control */
#define AFR_NO_RATE 0x00
/* No reduction of frame rate */
#define AFR_1p2 0x10
/* Max reduction to 1/2 frame rate */
#define AFR_1p4 0x20
/* Max reduction to 1/4 frame rate */
#define AFR_1p8 0x30
/* Max reduction to 1/8 frame rate */
/* Auto frame rate active point control */
#define AF_2x 0x00
/* Add frame when AGC reaches 2x gain */
#define AF_4x 0x04
/* Add frame when AGC reaches 4x gain */
#define AF_8x 0x08
/* Add frame when AGC reaches 8x gain */
#define AF_16x 0x0c
/* Add frame when AGC reaches 16x gain */
/* AEC max step control */
#define AEC_NO_LIMIT 0x01
/* 0 : AEC incease step has limit */
/* 1 : No limit to AEC increase step */
/* COM7 */
/* SCCB Register Reset */
#define SCCB_RESET 0x80
/* 0 : No change */
/* 1 : Resets all registers to default */
/* Resolution selection */
#define SLCT_MASK 0x40
/* Mask of VGA or QVGA */
#define SLCT_VGA 0x00
/* 0 : VGA */
#define SLCT_QVGA 0x40
/* 1 : QVGA */
#define ITU656_ON_OFF 0x20
/* ITU656 protocol ON/OFF selection */
#define SENSOR_RAW 0x10
/* Sensor RAW */
/* RGB output format control */
#define FMT_MASK 0x0c
/* Mask of color format */
#define FMT_GBR422 0x00
/* 00 : GBR 4:2:2 */
#define FMT_RGB565 0x04
/* 01 : RGB 565 */
#define FMT_RGB555 0x08
/* 10 : RGB 555 */
#define FMT_RGB444 0x0c
/* 11 : RGB 444 */
/* Output format control */
#define OFMT_MASK 0x03
/* Mask of output format */
#define OFMT_YUV 0x00
/* 00 : YUV */
#define OFMT_P_BRAW 0x01
/* 01 : Processed Bayer RAW */
#define OFMT_RGB 0x02
/* 10 : RGB */
#define OFMT_BRAW 0x03
/* 11 : Bayer RAW */
/* COM8 */
#define FAST_ALGO 0x80
/* Enable fast AGC/AEC algorithm */
/* AEC Setp size limit */
#define UNLMT_STEP 0x40
/* 0 : Step size is limited */
/* 1 : Unlimited step size */
#define BNDF_ON_OFF 0x20
/* Banding filter ON/OFF */
#define AEC_BND 0x10
/* Enable AEC below banding value */
#define AEC_ON_OFF 0x08
/* Fine AEC ON/OFF control */
#define AGC_ON 0x04
/* AGC Enable */
#define AWB_ON 0x02
/* AWB Enable */
#define AEC_ON 0x01
/* AEC Enable */
/* COM9 */
#define BASE_AECAGC 0x80
/* Histogram or average based AEC/AGC */
/* Automatic gain ceiling - maximum AGC value */
#define GAIN_2x 0x00
/* 000 : 2x */
#define GAIN_4x 0x10
/* 001 : 4x */
#define GAIN_8x 0x20
/* 010 : 8x */
#define GAIN_16x 0x30
/* 011 : 16x */
#define GAIN_32x 0x40
/* 100 : 32x */
#define GAIN_64x 0x50
/* 101 : 64x */
#define GAIN_128x 0x60
/* 110 : 128x */
#define DROP_VSYNC 0x04
/* Drop VSYNC output of corrupt frame */
#define DROP_HREF 0x02
/* Drop HREF output of corrupt frame */
/* COM11 */
#define SGLF_ON_OFF 0x02
/* Single frame ON/OFF selection */
#define SGLF_TRIG 0x01
/* Single frame transfer trigger */
/* HREF */
#define HREF_VSTART_SHIFT 6
/* VSTART LSB */
#define HREF_HSTART_SHIFT 4
/* HSTART 2 LSBs */
#define HREF_VSIZE_SHIFT 2
/* VSIZE LSB */
#define HREF_HSIZE_SHIFT 0
/* HSIZE 2 LSBs */
/* EXHCH */
#define EXHCH_VSIZE_SHIFT 2
/* VOUTSIZE LSB */
#define EXHCH_HSIZE_SHIFT 0
/* HOUTSIZE 2 LSBs */
/* DSP_CTRL1 */
#define FIFO_ON 0x80
/* FIFO enable/disable selection */
#define UV_ON_OFF 0x40
/* UV adjust function ON/OFF selection */
#define YUV444_2_422 0x20
/* YUV444 to 422 UV channel option selection */
#define CLR_MTRX_ON_OFF 0x10
/* Color matrix ON/OFF selection */
#define INTPLT_ON_OFF 0x08
/* Interpolation ON/OFF selection */
#define GMM_ON_OFF 0x04
/* Gamma function ON/OFF selection */
#define AUTO_BLK_ON_OFF 0x02
/* Black defect auto correction ON/OFF */
#define AUTO_WHT_ON_OFF 0x01
/* White define auto correction ON/OFF */
/* DSP_CTRL3 */
#define UV_MASK 0x80
/* UV output sequence option */
#define UV_ON 0x80
/* ON */
#define UV_OFF 0x00
/* OFF */
#define CBAR_MASK 0x20
/* DSP Color bar mask */
#define CBAR_ON 0x20
/* ON */
#define CBAR_OFF 0x00
/* OFF */
/* DSP_CTRL4 */
#define DSP_OFMT_YUV 0x00
#define DSP_OFMT_RGB 0x00
#define DSP_OFMT_RAW8 0x02
#define DSP_OFMT_RAW10 0x03
/* DSPAUTO (DSP Auto Function ON/OFF Control) */
#define AWB_ACTRL 0x80
/* AWB auto threshold control */
#define DENOISE_ACTRL 0x40
/* De-noise auto threshold control */
#define EDGE_ACTRL 0x20
/* Edge enhancement auto strength control */
#define UV_ACTRL 0x10
/* UV adjust auto slope control */
#define SCAL0_ACTRL 0x08
/* Auto scaling factor control */
#define SCAL1_2_ACTRL 0x04
/* Auto scaling factor control */
#define OV772X_MAX_WIDTH VGA_WIDTH
#define OV772X_MAX_HEIGHT VGA_HEIGHT
/*
* ID
*/
#define OV7720 0x7720
#define OV7725 0x7721
#define VERSION(pid, ver) ((pid<<8)|(ver&0xFF))
/*
* struct
*/
struct ov772x_color_format {
u32 code;
enum v4l2_colorspace colorspace;
u8 dsp3;
u8 dsp4;
u8 com3;
u8 com7;
};
struct ov772x_win_size {
char *name;
unsigned char com7_bit;
struct v4l2_rect rect;
};
struct ov772x_priv {
struct v4l2_subdev subdev;
struct v4l2_ctrl_handler hdl;
struct v4l2_clk *clk;
struct ov772x_camera_info *info;
const struct ov772x_color_format *cfmt;
const struct ov772x_win_size *win;
unsigned short flag_vflip:1;
unsigned short flag_hflip:1;
/* band_filter = COM8[5] ? 256 - BDBASE : 0 */
unsigned short band_filter;
};
/*
* supported color format list
*/
static const struct ov772x_color_format ov772x_cfmts[] = {
{
.code = MEDIA_BUS_FMT_YUYV8_2X8,
.colorspace = V4L2_COLORSPACE_JPEG,
.dsp3 = 0x0,
.dsp4 = DSP_OFMT_YUV,
.com3 = SWAP_YUV,
.com7 = OFMT_YUV,
},
{
.code = MEDIA_BUS_FMT_YVYU8_2X8,
.colorspace = V4L2_COLORSPACE_JPEG,
.dsp3 = UV_ON,
.dsp4 = DSP_OFMT_YUV,
.com3 = SWAP_YUV,
.com7 = OFMT_YUV,
},
{
.code = MEDIA_BUS_FMT_UYVY8_2X8,
.colorspace = V4L2_COLORSPACE_JPEG,
.dsp3 = 0x0,
.dsp4 = DSP_OFMT_YUV,
.com3 = 0x0,
.com7 = OFMT_YUV,
},
{
.code = MEDIA_BUS_FMT_RGB555_2X8_PADHI_LE,
.colorspace = V4L2_COLORSPACE_SRGB,
.dsp3 = 0x0,
.dsp4 = DSP_OFMT_YUV,
.com3 = SWAP_RGB,
.com7 = FMT_RGB555 | OFMT_RGB,
},
{
.code = MEDIA_BUS_FMT_RGB555_2X8_PADHI_BE,
.colorspace = V4L2_COLORSPACE_SRGB,
.dsp3 = 0x0,
.dsp4 = DSP_OFMT_YUV,
.com3 = 0x0,
.com7 = FMT_RGB555 | OFMT_RGB,
},
{
.code = MEDIA_BUS_FMT_RGB565_2X8_LE,
.colorspace = V4L2_COLORSPACE_SRGB,
.dsp3 = 0x0,
.dsp4 = DSP_OFMT_YUV,
.com3 = SWAP_RGB,
.com7 = FMT_RGB565 | OFMT_RGB,
},
{
.code = MEDIA_BUS_FMT_RGB565_2X8_BE,
.colorspace = V4L2_COLORSPACE_SRGB,
.dsp3 = 0x0,
.dsp4 = DSP_OFMT_YUV,
.com3 = 0x0,
.com7 = FMT_RGB565 | OFMT_RGB,
},
{
/* Setting DSP4 to DSP_OFMT_RAW8 still gives 10-bit output,
* regardless of the COM7 value. We can thus only support 10-bit
* Bayer until someone figures it out.
*/
.code = MEDIA_BUS_FMT_SBGGR10_1X10,
.colorspace = V4L2_COLORSPACE_SRGB,
.dsp3 = 0x0,
.dsp4 = DSP_OFMT_RAW10,
.com3 = 0x0,
.com7 = SENSOR_RAW | OFMT_BRAW,
},
};
/*
* window size list
*/
static const struct ov772x_win_size ov772x_win_sizes[] = {
{
.name = "VGA",
.com7_bit = SLCT_VGA,
.rect = {
.left = 140,
.top = 14,
.width = VGA_WIDTH,
.height = VGA_HEIGHT,
},
}, {
.name = "QVGA",
.com7_bit = SLCT_QVGA,
.rect = {
.left = 252,
.top = 6,
.width = QVGA_WIDTH,
.height = QVGA_HEIGHT,
},
},
};
/*
* general function
*/
static struct ov772x_priv *to_ov772x(struct v4l2_subdev *sd)
{
return container_of(sd, struct ov772x_priv, subdev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Guennadi Liakhovetski | 21 | 87.50% | 1 | 50.00% |
| Laurent Pinchart | 3 | 12.50% | 1 | 50.00% |
| Total | 24 | 100.00% | 2 | 100.00% |
static inline int ov772x_read(struct i2c_client *client, u8 addr)
{
return i2c_smbus_read_byte_data(client, addr);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Laurent Pinchart | 23 | 100.00% | 1 | 100.00% |
| Total | 23 | 100.00% | 1 | 100.00% |
static inline int ov772x_write(struct i2c_client *client, u8 addr, u8 value)
{
return i2c_smbus_write_byte_data(client, addr, value);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Laurent Pinchart | 20 | 71.43% | 2 | 66.67% |
| Kuninori Morimoto | 8 | 28.57% | 1 | 33.33% |
| Total | 28 | 100.00% | 3 | 100.00% |
static int ov772x_mask_set(struct i2c_client *client, u8 command, u8 mask,
u8 set)
{
s32 val = ov772x_read(client, command);
if (val < 0)
return val;
val &= ~mask;
val |= set & mask;
return ov772x_write(client, command, val);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kuninori Morimoto | 58 | 96.67% | 2 | 66.67% |
| Laurent Pinchart | 2 | 3.33% | 1 | 33.33% |
| Total | 60 | 100.00% | 3 | 100.00% |
static int ov772x_reset(struct i2c_client *client)
{
int ret;
ret = ov772x_write(client, COM7, SCCB_RESET);
if (ret < 0)
return ret;
msleep(1);
return ov772x_mask_set(client, COM2, SOFT_SLEEP_MODE, SOFT_SLEEP_MODE);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kuninori Morimoto | 27 | 52.94% | 1 | 33.33% |
| Laurent Pinchart | 24 | 47.06% | 2 | 66.67% |
| Total | 51 | 100.00% | 3 | 100.00% |
/*
* soc_camera_ops function
*/
static int ov772x_s_stream(struct v4l2_subdev *sd, int enable)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct ov772x_priv *priv = to_ov772x(sd);
if (!enable) {
ov772x_mask_set(client, COM2, SOFT_SLEEP_MODE, SOFT_SLEEP_MODE);
return 0;
}
ov772x_mask_set(client, COM2, SOFT_SLEEP_MODE, 0);
dev_dbg(&client->dev, "format %d, win %s\n",
priv->cfmt->code, priv->win->name);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kuninori Morimoto | 57 | 62.64% | 5 | 41.67% |
| Guennadi Liakhovetski | 30 | 32.97% | 5 | 41.67% |
| Laurent Pinchart | 4 | 4.40% | 2 | 16.67% |
| Total | 91 | 100.00% | 12 | 100.00% |
static int ov772x_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct ov772x_priv *priv = container_of(ctrl->handler,
struct ov772x_priv, hdl);
struct v4l2_subdev *sd = &priv->subdev;
struct i2c_client *client = v4l2_get_subdevdata(sd);
int ret = 0;
u8 val;
switch (ctrl->id) {
case V4L2_CID_VFLIP:
val = ctrl->val ? VFLIP_IMG : 0x00;
priv->flag_vflip = ctrl->val;
if (priv->info->flags & OV772X_FLAG_VFLIP)
val ^= VFLIP_IMG;
return ov772x_mask_set(client, COM3, VFLIP_IMG, val);
case V4L2_CID_HFLIP:
val = ctrl->val ? HFLIP_IMG : 0x00;
priv->flag_hflip = ctrl->val;
if (priv->info->flags & OV772X_FLAG_HFLIP)
val ^= HFLIP_IMG;
return ov772x_mask_set(client, COM3, HFLIP_IMG, val);
case V4L2_CID_BAND_STOP_FILTER:
if (!ctrl->val) {
/* Switch the filter off, it is on now */
ret = ov772x_mask_set(client, BDBASE, 0xff, 0xff);
if (!ret)
ret = ov772x_mask_set(client, COM8,
BNDF_ON_OFF, 0);
} else {
/* Switch the filter on, set AEC low limit */
val = 256 - ctrl->val;
ret = ov772x_mask_set(client, COM8,
BNDF_ON_OFF, BNDF_ON_OFF);
if (!ret)
ret = ov772x_mask_set(client, BDBASE,
0xff, val);
}
if (!ret)
priv->band_filter = ctrl->val;
return ret;
}
return -EINVAL;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kuninori Morimoto | 122 | 46.04% | 1 | 14.29% |
| Guennadi Liakhovetski | 112 | 42.26% | 4 | 57.14% |
| Hans Verkuil | 28 | 10.57% | 1 | 14.29% |
| Laurent Pinchart | 3 | 1.13% | 1 | 14.29% |
| Total | 265 | 100.00% | 7 | 100.00% |
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int ov772x_g_register(struct v4l2_subdev *sd,
struct v4l2_dbg_register *reg)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
int ret;
reg->size = 1;
if (reg->reg > 0xff)
return -EINVAL;
ret = ov772x_read(client, reg->reg);
if (ret < 0)
return ret;
reg->val = (__u64)ret;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kuninori Morimoto | 62 | 78.48% | 1 | 16.67% |
| Hans Verkuil | 7 | 8.86% | 1 | 16.67% |
| Guennadi Liakhovetski | 6 | 7.59% | 2 | 33.33% |
| Laurent Pinchart | 4 | 5.06% | 2 | 33.33% |
| Total | 79 | 100.00% | 6 | 100.00% |
static int ov772x_s_register(struct v4l2_subdev *sd,
const struct v4l2_dbg_register *reg)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
if (reg->reg > 0xff ||
reg->val > 0xff)
return -EINVAL;
return ov772x_write(client, reg->reg, reg->val);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kuninori Morimoto | 47 | 79.66% | 1 | 14.29% |
| Guennadi Liakhovetski | 6 | 10.17% | 2 | 28.57% |
| Laurent Pinchart | 4 | 6.78% | 2 | 28.57% |
| Hans Verkuil | 2 | 3.39% | 2 | 28.57% |
| Total | 59 | 100.00% | 7 | 100.00% |
#endif
static int ov772x_s_power(struct v4l2_subdev *sd, int on)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client);
struct ov772x_priv *priv = to_ov772x(sd);
return soc_camera_set_power(&client->dev, ssdd, priv->clk, on);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Laurent Pinchart | 43 | 70.49% | 1 | 33.33% |
| Guennadi Liakhovetski | 18 | 29.51% | 2 | 66.67% |
| Total | 61 | 100.00% | 3 | 100.00% |
static const struct ov772x_win_size *ov772x_select_win(u32 width, u32 height)
{
const struct ov772x_win_size *win = &ov772x_win_sizes[0];
u32 best_diff = UINT_MAX;
unsigned int i;
for (i = 0; i < ARRAY_SIZE(ov772x_win_sizes); ++i) {
u32 diff = abs(width - ov772x_win_sizes[i].rect.width)
+ abs(height - ov772x_win_sizes[i].rect.height);
if (diff < best_diff) {
best_diff = diff;
win = &ov772x_win_sizes[i];
}
}
return win;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Laurent Pinchart | 60 | 55.56% | 2 | 66.67% |
| Kuninori Morimoto | 48 | 44.44% | 1 | 33.33% |
| Total | 108 | 100.00% | 3 | 100.00% |
static void ov772x_select_params(const struct v4l2_mbus_framefmt *mf,
const struct ov772x_color_format **cfmt,
const struct ov772x_win_size **win)
{
unsigned int i;
/* Select a format. */
*cfmt = &ov772x_cfmts[0];
for (i = 0; i < ARRAY_SIZE(ov772x_cfmts); i++) {
if (mf->code == ov772x_cfmts[i].code) {
*cfmt = &ov772x_cfmts[i];
break;
}
}
/* Select a window size. */
*win = ov772x_select_win(mf->width, mf->height);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kuninori Morimoto | 53 | 54.08% | 2 | 28.57% |
| Laurent Pinchart | 36 | 36.73% | 1 | 14.29% |
| Guennadi Liakhovetski | 9 | 9.18% | 4 | 57.14% |
| Total | 98 | 100.00% | 7 | 100.00% |
static int ov772x_set_params(struct ov772x_priv *priv,
const struct ov772x_color_format *cfmt,
const struct ov772x_win_size *win)
{
struct i2c_client *client = v4l2_get_subdevdata(&priv->subdev);
int ret;
u8 val;
/*
* reset hardware
*/
ov772x_reset(client);
/*
* Edge Ctrl
*/
if (priv->info->edgectrl.strength & OV772X_MANUAL_EDGE_CTRL) {
/*
* Manual Edge Control Mode
*
* Edge auto strength bit is set by default.
* Remove it when manual mode.
*/
ret = ov772x_mask_set(client, DSPAUTO, EDGE_ACTRL, 0x00);
if (ret < 0)
goto ov772x_set_fmt_error;
ret = ov772x_mask_set(client,
EDGE_TRSHLD, OV772X_EDGE_THRESHOLD_MASK,
priv->info->edgectrl.threshold);
if (ret < 0)
goto ov772x_set_fmt_error;
ret = ov772x_mask_set(client,
EDGE_STRNGT, OV772X_EDGE_STRENGTH_MASK,
priv->info->edgectrl.strength);
if (ret < 0)
goto ov772x_set_fmt_error;
} else if (priv->info->edgectrl.upper > priv->info->edgectrl.lower) {
/*
* Auto Edge Control Mode
*
* set upper and lower limit
*/
ret = ov772x_mask_set(client,
EDGE_UPPER, OV772X_EDGE_UPPER_MASK,
priv->info->edgectrl.upper);
if (ret < 0)
goto ov772x_set_fmt_error;
ret = ov772x_mask_set(client,
EDGE_LOWER, OV772X_EDGE_LOWER_MASK,
priv->info->edgectrl.lower);
if (ret < 0)
goto ov772x_set_fmt_error;
}
/* Format and window size */
ret = ov772x_write(client, HSTART, win->rect.left >> 2);
if (ret < 0)
goto ov772x_set_fmt_error;
ret = ov772x_write(client, HSIZE, win->rect.width >> 2);
if (ret < 0)
goto ov772x_set_fmt_error;
ret = ov772x_write(client, VSTART, win->rect.top >> 1);
if (ret < 0)
goto ov772x_set_fmt_error;
ret = ov772x_write(client, VSIZE, win->rect.height >> 1);
if (ret < 0)
goto ov772x_set_fmt_error;
ret = ov772x_write(client, HOUTSIZE, win->rect.width >> 2);
if (ret < 0)
goto ov772x_set_fmt_error;
ret = ov772x_write(client, VOUTSIZE, win->rect.height >> 1);
if (ret < 0)
goto ov772x_set_fmt_error;
ret = ov772x_write(client, HREF,
((win->rect.top & 1) << HREF_VSTART_SHIFT) |
((win->rect.left & 3) << HREF_HSTART_SHIFT) |
((win->rect.height & 1) << HREF_VSIZE_SHIFT) |
((win->rect.width & 3) << HREF_HSIZE_SHIFT));
if (ret < 0)
goto ov772x_set_fmt_error;
ret = ov772x_write(client, EXHCH,
((win->rect.height & 1) << EXHCH_VSIZE_SHIFT) |
((win->rect.width & 3) << EXHCH_HSIZE_SHIFT));
if (ret < 0)
goto ov772x_set_fmt_error;
/*
* set DSP_CTRL3
*/
val = cfmt->dsp3;
if (val) {
ret = ov772x_mask_set(client,
DSP_CTRL3, UV_MASK, val);
if (ret < 0)
goto ov772x_set_fmt_error;
}
/* DSP_CTRL4: AEC reference point and DSP output format. */
if (cfmt->dsp4) {
ret = ov772x_write(client, DSP_CTRL4, cfmt->dsp4);
if (ret < 0)
goto ov772x_set_fmt_error;
}
/*
* set COM3
*/
val = cfmt->com3;
if (priv->info->flags & OV772X_FLAG_VFLIP)
val |= VFLIP_IMG;
if (priv->info->flags & OV772X_FLAG_HFLIP)
val |= HFLIP_IMG;
if (priv->flag_vflip)
val ^= VFLIP_IMG;
if (priv->flag_hflip)
val ^= HFLIP_IMG;
ret = ov772x_mask_set(client,
COM3, SWAP_MASK | IMG_MASK, val);
if (ret < 0)
goto ov772x_set_fmt_error;
/* COM7: Sensor resolution and output format control. */
ret = ov772x_write(client, COM7, win->com7_bit | cfmt->com7);
if (ret < 0)
goto ov772x_set_fmt_error;
/*
* set COM8
*/
if (priv->band_filter) {
ret = ov772x_mask_set(client, COM8, BNDF_ON_OFF, 1);
if (!ret)
ret = ov772x_mask_set(client, BDBASE,
0xff, 256 - priv->band_filter);
if (ret < 0)
goto ov772x_set_fmt_error;
}
return ret;
ov772x_set_fmt_error:
ov772x_reset(client);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Laurent Pinchart | 339 | 46.12% | 3 | 27.27% |
| Kuninori Morimoto | 337 | 45.85% | 5 | 45.45% |
| Guennadi Liakhovetski | 59 | 8.03% | 3 | 27.27% |
| Total | 735 | 100.00% | 11 | 100.00% |
static int ov772x_get_selection(struct v4l2_subdev *sd,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_selection *sel)
{
if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
return -EINVAL;
sel->r.left = 0;
sel->r.top = 0;
switch (sel->target) {
case V4L2_SEL_TGT_CROP_BOUNDS:
case V4L2_SEL_TGT_CROP_DEFAULT:
sel->r.width = OV772X_MAX_WIDTH;
sel->r.height = OV772X_MAX_HEIGHT;
return 0;
case V4L2_SEL_TGT_CROP:
sel->r.width = VGA_WIDTH;
sel->r.height = VGA_HEIGHT;
return 0;
default:
return -EINVAL;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hans Verkuil | 58 | 53.21% | 1 | 33.33% |
| Guennadi Liakhovetski | 49 | 44.95% | 1 | 33.33% |
| Laurent Pinchart | 2 | 1.83% | 1 | 33.33% |
| Total | 109 | 100.00% | 3 | 100.00% |
static int ov772x_get_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_format *format)
{
struct v4l2_mbus_framefmt *mf = &format->format;
struct ov772x_priv *priv = to_ov772x(sd);
if (format->pad)
return -EINVAL;
mf->width = priv->win->rect.width;
mf->height = priv->win->rect.height;
mf->code = priv->cfmt->code;
mf->colorspace = priv->cfmt->colorspace;
mf->field = V4L2_FIELD_NONE;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Guennadi Liakhovetski | 71 | 68.27% | 3 | 50.00% |
| Hans Verkuil | 28 | 26.92% | 1 | 16.67% |
| Laurent Pinchart | 5 | 4.81% | 2 | 33.33% |
| Total | 104 | 100.00% | 6 | 100.00% |
static int ov772x_s_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *mf)
{
struct ov772x_priv *priv = to_ov772x(sd);
const struct ov772x_color_format *cfmt;
const struct ov772x_win_size *win;
int ret;
ov772x_select_params(mf, &cfmt, &win);
ret = ov772x_set_params(priv, cfmt, win);
if (ret < 0)
return ret;
priv->win = win;
priv->cfmt = cfmt;
mf->code = cfmt->code;
mf->width = win->rect.width;
mf->height = win->rect.height;
mf->field = V4L2_FIELD_NONE;
mf->colorspace = cfmt->colorspace;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Laurent Pinchart | 81 | 62.79% | 3 | 37.50% |
| Guennadi Liakhovetski | 48 | 37.21% | 5 | 62.50% |
| Total | 129 | 100.00% | 8 | 100.00% |
static int ov772x_set_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_format *format)
{
struct v4l2_mbus_framefmt *mf = &format->format;
const struct ov772x_color_format *cfmt;
const struct ov772x_win_size *win;
if (format->pad)
return -EINVAL;
ov772x_select_params(mf, &cfmt, &win);
mf->code = cfmt->code;
mf->width = win->rect.width;
mf->height = win->rect.height;
mf->field = V4L2_FIELD_NONE;
mf->colorspace = cfmt->colorspace;
if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE)
return ov772x_s_fmt(sd, mf);
cfg->try_fmt = *mf;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hans Verkuil | 51 | 38.64% | 1 | 14.29% |
| Kuninori Morimoto | 45 | 34.09% | 2 | 28.57% |
| Laurent Pinchart | 20 | 15.15% | 2 | 28.57% |
| Guennadi Liakhovetski | 16 | 12.12% | 2 | 28.57% |
| Total | 132 | 100.00% | 7 | 100.00% |
static int ov772x_video_probe(struct ov772x_priv *priv)
{
struct i2c_client *client = v4l2_get_subdevdata(&priv->subdev);
u8 pid, ver;
const char *devname;
int ret;
ret = ov772x_s_power(&priv->subdev, 1);
if (ret < 0)
return ret;
/*
* check and show product ID and manufacturer ID
*/
pid = ov772x_read(client, PID);
ver = ov772x_read(client, VER);
switch (VERSION(pid, ver)) {
case OV7720:
devname = "ov7720";
break;
case OV7725:
devname = "ov7725";
break;
default:
dev_err(&client->dev,
"Product ID error %x:%x\n", pid, ver);
ret = -ENODEV;
goto done;
}
dev_info(&client->dev,
"%s Product ID %0x:%0x Manufacturer ID %x:%x\n",
devname,
pid,
ver,
ov772x_read(client, MIDH),
ov772x_read(client, MIDL));
ret = v4l2_ctrl_handler_setup(&priv->hdl);
done:
ov772x_s_power(&priv->subdev, 0);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kuninori Morimoto | 111 | 60.99% | 4 | 40.00% |
| Laurent Pinchart | 60 | 32.97% | 3 | 30.00% |
| Hans Verkuil | 7 | 3.85% | 1 | 10.00% |
| Guennadi Liakhovetski | 4 | 2.20% | 2 | 20.00% |
| Total | 182 | 100.00% | 10 | 100.00% |
static const struct v4l2_ctrl_ops ov772x_ctrl_ops = {
.s_ctrl = ov772x_s_ctrl,
};
static struct v4l2_subdev_core_ops ov772x_subdev_core_ops = {
#ifdef CONFIG_VIDEO_ADV_DEBUG
.g_register = ov772x_g_register,
.s_register = ov772x_s_register,
#endif
.s_power = ov772x_s_power,
};
static int ov772x_enum_mbus_code(struct v4l2_subdev *sd,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_mbus_code_enum *code)
{
if (code->pad || code->index >= ARRAY_SIZE(ov772x_cfmts))
return -EINVAL;
code->code = ov772x_cfmts[code->index].code;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Guennadi Liakhovetski | 39 | 69.64% | 1 | 50.00% |
| Hans Verkuil | 17 | 30.36% | 1 | 50.00% |
| Total | 56 | 100.00% | 2 | 100.00% |
static int ov772x_g_mbus_config(struct v4l2_subdev *sd,
struct v4l2_mbus_config *cfg)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client);
cfg->flags = V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_MASTER |
V4L2_MBUS_VSYNC_ACTIVE_HIGH | V4L2_MBUS_HSYNC_ACTIVE_HIGH |
V4L2_MBUS_DATA_ACTIVE_HIGH;
cfg->type = V4L2_MBUS_PARALLEL;
cfg->flags = soc_camera_apply_board_flags(ssdd, cfg);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Guennadi Liakhovetski | 70 | 100.00% | 3 | 100.00% |
| Total | 70 | 100.00% | 3 | 100.00% |
static struct v4l2_subdev_video_ops ov772x_subdev_video_ops = {
.s_stream = ov772x_s_stream,
.g_mbus_config = ov772x_g_mbus_config,
};
static const struct v4l2_subdev_pad_ops ov772x_subdev_pad_ops = {
.enum_mbus_code = ov772x_enum_mbus_code,
.get_selection = ov772x_get_selection,
.get_fmt = ov772x_get_fmt,
.set_fmt = ov772x_set_fmt,
};
static struct v4l2_subdev_ops ov772x_subdev_ops = {
.core = &ov772x_subdev_core_ops,
.video = &ov772x_subdev_video_ops,
.pad = &ov772x_subdev_pad_ops,
};
/*
* i2c_driver function
*/
static int ov772x_probe(struct i2c_client *client,
const struct i2c_device_id *did)
{
struct ov772x_priv *priv;
struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client);
struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
int ret;
if (!ssdd || !ssdd->drv_priv) {
dev_err(&client->dev, "OV772X: missing platform data!\n");
return -EINVAL;
}
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
dev_err(&adapter->dev,
"I2C-Adapter doesn't support I2C_FUNC_SMBUS_BYTE_DATA\n");
return -EIO;
}
priv = devm_kzalloc(&client->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
priv->info = ssdd->drv_priv;
v4l2_i2c_subdev_init(&priv->subdev, client, &ov772x_subdev_ops);
v4l2_ctrl_handler_init(&priv->hdl, 3);
v4l2_ctrl_new_std(&priv->hdl, &ov772x_ctrl_ops,
V4L2_CID_VFLIP, 0, 1, 1, 0);
v4l2_ctrl_new_std(&priv->hdl, &ov772x_ctrl_ops,
V4L2_CID_HFLIP, 0, 1, 1, 0);
v4l2_ctrl_new_std(&priv->hdl, &ov772x_ctrl_ops,
V4L2_CID_BAND_STOP_FILTER, 0, 256, 1, 0);
priv->subdev.ctrl_handler = &priv->hdl;
if (priv->hdl.error)
return priv->hdl.error;
priv->clk = v4l2_clk_get(&client->dev, "mclk");
if (IS_ERR(priv->clk)) {
ret = PTR_ERR(priv->clk);
goto eclkget;
}
ret = ov772x_video_probe(priv);
if (ret < 0) {
v4l2_clk_put(priv->clk);
eclkget:
v4l2_ctrl_handler_free(&priv->hdl);
} else {
priv->cfmt = &ov772x_cfmts[0];
priv->win = &ov772x_win_sizes[0];
}
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kuninori Morimoto | 114 | 33.24% | 3 | 21.43% |
| Guennadi Liakhovetski | 107 | 31.20% | 7 | 50.00% |
| Hans Verkuil | 94 | 27.41% | 1 | 7.14% |
| Laurent Pinchart | 27 | 7.87% | 2 | 14.29% |
| Mauro Carvalho Chehab | 1 | 0.29% | 1 | 7.14% |
| Total | 343 | 100.00% | 14 | 100.00% |
static int ov772x_remove(struct i2c_client *client)
{
struct ov772x_priv *priv = to_ov772x(i2c_get_clientdata(client));
v4l2_clk_put(priv->clk);
v4l2_device_unregister_subdev(&priv->subdev);
v4l2_ctrl_handler_free(&priv->hdl);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kuninori Morimoto | 25 | 50.00% | 1 | 16.67% |
| Hans Verkuil | 13 | 26.00% | 1 | 16.67% |
| Guennadi Liakhovetski | 9 | 18.00% | 3 | 50.00% |
| Laurent Pinchart | 3 | 6.00% | 1 | 16.67% |
| Total | 50 | 100.00% | 6 | 100.00% |
static const struct i2c_device_id ov772x_id[] = {
{ "ov772x", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, ov772x_id);
static struct i2c_driver ov772x_i2c_driver = {
.driver = {
.name = "ov772x",
},
.probe = ov772x_probe,
.remove = ov772x_remove,
.id_table = ov772x_id,
};
module_i2c_driver(ov772x_i2c_driver);
MODULE_DESCRIPTION("SoC Camera driver for ov772x");
MODULE_AUTHOR("Kuninori Morimoto");
MODULE_LICENSE("GPL v2");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kuninori Morimoto | 2831 | 57.22% | 15 | 26.32% |
| Laurent Pinchart | 946 | 19.12% | 11 | 19.30% |
| Guennadi Liakhovetski | 803 | 16.23% | 18 | 31.58% |
| Hans Verkuil | 351 | 7.09% | 7 | 12.28% |
| Boris Brezillon | 9 | 0.18% | 1 | 1.75% |
| Axel Lin | 5 | 0.10% | 2 | 3.51% |
| Mauro Carvalho Chehab | 2 | 0.04% | 2 | 3.51% |
| Uwe Kleine-König | 1 | 0.02% | 1 | 1.75% |
| Total | 4948 | 100.00% | 57 | 100.00% |
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