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Linux Kernel
3.7.1
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All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
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Linux Kernel
3.7.1
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#include <linux/init.h>#include <linux/module.h>#include <linux/slab.h>#include <linux/i2c.h>#include <linux/delay.h>#include <linux/videodev2.h>#include <media/v4l2-device.h>#include <media/v4l2-chip-ident.h>#include <media/v4l2-mediabus.h>#include <media/ov7670.h>Go to the source code of this file.
Data Structures | |
| struct | ov7670_info |
| struct | regval_list |
| struct | ov7670_format_struct |
| struct | ov7670_win_size |
Macros | |
| #define | VGA_WIDTH 640 |
| #define | VGA_HEIGHT 480 |
| #define | QVGA_WIDTH 320 |
| #define | QVGA_HEIGHT 240 |
| #define | CIF_WIDTH 352 |
| #define | CIF_HEIGHT 288 |
| #define | QCIF_WIDTH 176 |
| #define | QCIF_HEIGHT 144 |
| #define | OV7670_I2C_ADDR 0x42 |
| #define | REG_GAIN 0x00 /* Gain lower 8 bits (rest in vref) */ |
| #define | REG_BLUE 0x01 /* blue gain */ |
| #define | REG_RED 0x02 /* red gain */ |
| #define | REG_VREF 0x03 /* Pieces of GAIN, VSTART, VSTOP */ |
| #define | REG_COM1 0x04 /* Control 1 */ |
| #define | COM1_CCIR656 0x40 /* CCIR656 enable */ |
| #define | REG_BAVE 0x05 /* U/B Average level */ |
| #define | REG_GbAVE 0x06 /* Y/Gb Average level */ |
| #define | REG_AECHH 0x07 /* AEC MS 5 bits */ |
| #define | REG_RAVE 0x08 /* V/R Average level */ |
| #define | REG_COM2 0x09 /* Control 2 */ |
| #define | COM2_SSLEEP 0x10 /* Soft sleep mode */ |
| #define | REG_PID 0x0a /* Product ID MSB */ |
| #define | REG_VER 0x0b /* Product ID LSB */ |
| #define | REG_COM3 0x0c /* Control 3 */ |
| #define | COM3_SWAP 0x40 /* Byte swap */ |
| #define | COM3_SCALEEN 0x08 /* Enable scaling */ |
| #define | COM3_DCWEN 0x04 /* Enable downsamp/crop/window */ |
| #define | REG_COM4 0x0d /* Control 4 */ |
| #define | REG_COM5 0x0e /* All "reserved" */ |
| #define | REG_COM6 0x0f /* Control 6 */ |
| #define | REG_AECH 0x10 /* More bits of AEC value */ |
| #define | REG_CLKRC 0x11 /* Clocl control */ |
| #define | CLK_EXT 0x40 /* Use external clock directly */ |
| #define | CLK_SCALE 0x3f /* Mask for internal clock scale */ |
| #define | REG_COM7 0x12 /* Control 7 */ |
| #define | COM7_RESET 0x80 /* Register reset */ |
| #define | COM7_FMT_MASK 0x38 |
| #define | COM7_FMT_VGA 0x00 |
| #define | COM7_FMT_CIF 0x20 /* CIF format */ |
| #define | COM7_FMT_QVGA 0x10 /* QVGA format */ |
| #define | COM7_FMT_QCIF 0x08 /* QCIF format */ |
| #define | COM7_RGB 0x04 /* bits 0 and 2 - RGB format */ |
| #define | COM7_YUV 0x00 /* YUV */ |
| #define | COM7_BAYER 0x01 /* Bayer format */ |
| #define | COM7_PBAYER 0x05 /* "Processed bayer" */ |
| #define | REG_COM8 0x13 /* Control 8 */ |
| #define | COM8_FASTAEC 0x80 /* Enable fast AGC/AEC */ |
| #define | COM8_AECSTEP 0x40 /* Unlimited AEC step size */ |
| #define | COM8_BFILT 0x20 /* Band filter enable */ |
| #define | COM8_AGC 0x04 /* Auto gain enable */ |
| #define | COM8_AWB 0x02 /* White balance enable */ |
| #define | COM8_AEC 0x01 /* Auto exposure enable */ |
| #define | REG_COM9 0x14 /* Control 9 - gain ceiling */ |
| #define | REG_COM10 0x15 /* Control 10 */ |
| #define | COM10_HSYNC 0x40 /* HSYNC instead of HREF */ |
| #define | COM10_PCLK_HB 0x20 /* Suppress PCLK on horiz blank */ |
| #define | COM10_HREF_REV 0x08 /* Reverse HREF */ |
| #define | COM10_VS_LEAD 0x04 /* VSYNC on clock leading edge */ |
| #define | COM10_VS_NEG 0x02 /* VSYNC negative */ |
| #define | COM10_HS_NEG 0x01 /* HSYNC negative */ |
| #define | REG_HSTART 0x17 /* Horiz start high bits */ |
| #define | REG_HSTOP 0x18 /* Horiz stop high bits */ |
| #define | REG_VSTART 0x19 /* Vert start high bits */ |
| #define | REG_VSTOP 0x1a /* Vert stop high bits */ |
| #define | REG_PSHFT 0x1b /* Pixel delay after HREF */ |
| #define | REG_MIDH 0x1c /* Manuf. ID high */ |
| #define | REG_MIDL 0x1d /* Manuf. ID low */ |
| #define | REG_MVFP 0x1e /* Mirror / vflip */ |
| #define | MVFP_MIRROR 0x20 /* Mirror image */ |
| #define | MVFP_FLIP 0x10 /* Vertical flip */ |
| #define | REG_AEW 0x24 /* AGC upper limit */ |
| #define | REG_AEB 0x25 /* AGC lower limit */ |
| #define | REG_VPT 0x26 /* AGC/AEC fast mode op region */ |
| #define | REG_HSYST 0x30 /* HSYNC rising edge delay */ |
| #define | REG_HSYEN 0x31 /* HSYNC falling edge delay */ |
| #define | REG_HREF 0x32 /* HREF pieces */ |
| #define | REG_TSLB 0x3a /* lots of stuff */ |
| #define | TSLB_YLAST 0x04 /* UYVY or VYUY - see com13 */ |
| #define | REG_COM11 0x3b /* Control 11 */ |
| #define | COM11_NIGHT 0x80 /* NIght mode enable */ |
| #define | COM11_NMFR 0x60 /* Two bit NM frame rate */ |
| #define | COM11_HZAUTO 0x10 /* Auto detect 50/60 Hz */ |
| #define | COM11_50HZ 0x08 /* Manual 50Hz select */ |
| #define | COM11_EXP 0x02 |
| #define | REG_COM12 0x3c /* Control 12 */ |
| #define | COM12_HREF 0x80 /* HREF always */ |
| #define | REG_COM13 0x3d /* Control 13 */ |
| #define | COM13_GAMMA 0x80 /* Gamma enable */ |
| #define | COM13_UVSAT 0x40 /* UV saturation auto adjustment */ |
| #define | COM13_UVSWAP 0x01 /* V before U - w/TSLB */ |
| #define | REG_COM14 0x3e /* Control 14 */ |
| #define | COM14_DCWEN 0x10 /* DCW/PCLK-scale enable */ |
| #define | REG_EDGE 0x3f /* Edge enhancement factor */ |
| #define | REG_COM15 0x40 /* Control 15 */ |
| #define | COM15_R10F0 0x00 /* Data range 10 to F0 */ |
| #define | COM15_R01FE 0x80 /* 01 to FE */ |
| #define | COM15_R00FF 0xc0 /* 00 to FF */ |
| #define | COM15_RGB565 0x10 /* RGB565 output */ |
| #define | COM15_RGB555 0x30 /* RGB555 output */ |
| #define | REG_COM16 0x41 /* Control 16 */ |
| #define | COM16_AWBGAIN 0x08 /* AWB gain enable */ |
| #define | REG_COM17 0x42 /* Control 17 */ |
| #define | COM17_AECWIN 0xc0 /* AEC window - must match COM4 */ |
| #define | COM17_CBAR 0x08 /* DSP Color bar */ |
| #define | REG_CMATRIX_BASE 0x4f |
| #define | CMATRIX_LEN 6 |
| #define | REG_CMATRIX_SIGN 0x58 |
| #define | REG_BRIGHT 0x55 /* Brightness */ |
| #define | REG_CONTRAS 0x56 /* Contrast control */ |
| #define | REG_GFIX 0x69 /* Fix gain control */ |
| #define | REG_REG76 0x76 /* OV's name */ |
| #define | R76_BLKPCOR 0x80 /* Black pixel correction enable */ |
| #define | R76_WHTPCOR 0x40 /* White pixel correction enable */ |
| #define | REG_RGB444 0x8c /* RGB 444 control */ |
| #define | R444_ENABLE 0x02 /* Turn on RGB444, overrides 5x5 */ |
| #define | R444_RGBX 0x01 /* Empty nibble at end */ |
| #define | REG_HAECC1 0x9f /* Hist AEC/AGC control 1 */ |
| #define | REG_HAECC2 0xa0 /* Hist AEC/AGC control 2 */ |
| #define | REG_BD50MAX 0xa5 /* 50hz banding step limit */ |
| #define | REG_HAECC3 0xa6 /* Hist AEC/AGC control 3 */ |
| #define | REG_HAECC4 0xa7 /* Hist AEC/AGC control 4 */ |
| #define | REG_HAECC5 0xa8 /* Hist AEC/AGC control 5 */ |
| #define | REG_HAECC6 0xa9 /* Hist AEC/AGC control 6 */ |
| #define | REG_HAECC7 0xaa /* Hist AEC/AGC control 7 */ |
| #define | REG_BD60MAX 0xab /* 60hz banding step limit */ |
| #define | N_OV7670_FMTS ARRAY_SIZE(ov7670_formats) |
| #define | N_WIN_SIZES (ARRAY_SIZE(ov7670_win_sizes)) |
| #define | SIN_STEP 5 |
Functions | |
| MODULE_AUTHOR ("Jonathan Corbet <[email protected]>") | |
| MODULE_DESCRIPTION ("A low-level driver for OmniVision ov7670 sensors") | |
| MODULE_LICENSE ("GPL") | |
| module_param (debug, bool, 0644) | |
| MODULE_PARM_DESC (debug,"Debug level (0-1)") | |
| MODULE_DEVICE_TABLE (i2c, ov7670_id) | |
| module_i2c_driver (ov7670_driver) | |
| #define COM10_PCLK_HB 0x20 /* Suppress PCLK on horiz blank */ |
| #define COM10_VS_LEAD 0x04 /* VSYNC on clock leading edge */ |
| #define COM13_UVSAT 0x40 /* UV saturation auto adjustment */ |
| #define COM17_AECWIN 0xc0 /* AEC window - must match COM4 */ |
| #define N_OV7670_FMTS ARRAY_SIZE(ov7670_formats) |
| #define N_WIN_SIZES (ARRAY_SIZE(ov7670_win_sizes)) |
| #define R444_ENABLE 0x02 /* Turn on RGB444, overrides 5x5 */ |
| #define R76_BLKPCOR 0x80 /* Black pixel correction enable */ |
| #define R76_WHTPCOR 0x40 /* White pixel correction enable */ |
| #define REG_GAIN 0x00 /* Gain lower 8 bits (rest in vref) */ |
| MODULE_AUTHOR | ( | "Jonathan Corbet <[email protected]>" | ) |
| MODULE_DEVICE_TABLE | ( | i2c | , |
| ov7670_id | |||
| ) |
| module_i2c_driver | ( | ov7670_driver | ) |
| MODULE_LICENSE | ( | "GPL" | ) |
1.8.2