?? ov7725.c
字號:
gpio_i2c_write(I2C_OV7725, 0x90, 0x05); gpio_i2c_write(I2C_OV7725, 0x91, 0x01); gpio_i2c_write(I2C_OV7725, 0x92, 0x03); gpio_i2c_write(I2C_OV7725, 0x93, 0x00); gpio_i2c_write(I2C_OV7725, 0x94, 0xb0); gpio_i2c_write(I2C_OV7725, 0x95, 0x9d); gpio_i2c_write(I2C_OV7725, 0x96, 0x13); gpio_i2c_write(I2C_OV7725, 0x97, 0x16); gpio_i2c_write(I2C_OV7725, 0x98, 0x7b); gpio_i2c_write(I2C_OV7725, 0x99, 0x91); gpio_i2c_write(I2C_OV7725, 0x9a, 0x1e); gpio_i2c_write(I2C_OV7725, 0x9b, 0x00); gpio_i2c_write(I2C_OV7725, 0x9c, 0x25); gpio_i2c_write(I2C_OV7725, 0x9e, 0x81); gpio_i2c_write(I2C_OV7725, 0xa6, 0x06); //modified saturation initialization value by pw 2008-03-04 gpio_i2c_write(I2C_OV7725, 0xa7, 0x65); gpio_i2c_write(I2C_OV7725, 0xa8, 0x65); gpio_i2c_write(I2C_OV7725, 0x7e, 0x0c); gpio_i2c_write(I2C_OV7725, 0x7f, 0x16); gpio_i2c_write(I2C_OV7725, 0x80, 0x2a); gpio_i2c_write(I2C_OV7725, 0x81, 0x4e); gpio_i2c_write(I2C_OV7725, 0x82, 0x61); gpio_i2c_write(I2C_OV7725, 0x83, 0x6f); gpio_i2c_write(I2C_OV7725, 0x84, 0x7b); gpio_i2c_write(I2C_OV7725, 0x85, 0x86); gpio_i2c_write(I2C_OV7725, 0x86, 0x8e); gpio_i2c_write(I2C_OV7725, 0x87, 0x97); gpio_i2c_write(I2C_OV7725, 0x88, 0xa4); gpio_i2c_write(I2C_OV7725, 0x89, 0xaf); gpio_i2c_write(I2C_OV7725, 0x8a, 0xc5); gpio_i2c_write(I2C_OV7725, 0x8b, 0xd7); gpio_i2c_write(I2C_OV7725, 0x8c, 0xe8); gpio_i2c_write(I2C_OV7725, 0x8d, 0x20);#if 0 gpio_i2c_write(I2C_OV7725, 0x34, 0x00); gpio_i2c_write(I2C_OV7725, 0x33, 0x40); gpio_i2c_write(I2C_OV7725, 0x22, 0x99); gpio_i2c_write(I2C_OV7725, 0x23, 0x03); gpio_i2c_write(I2C_OV7725, 0x4a, 0x10); gpio_i2c_write(I2C_OV7725, 0x49, 0x10); gpio_i2c_write(I2C_OV7725, 0x4b, 0x14); gpio_i2c_write(I2C_OV7725, 0x4c, 0x17); gpio_i2c_write(I2C_OV7725, 0x46, 0x05); gpio_i2c_write(I2C_OV7725, 0x0e, 0x65);#endif gpio_i2c_write(I2C_OV7725, 0x69, 0x5d); gpio_i2c_write(I2C_OV7725, 0x0c, 0x00); gpio_i2c_write(I2C_OV7725, 0x33, 0xfb);//0x66/0x99 gpio_i2c_write(I2C_OV7725, 0x0e, 0x65);//sharpness strength modified by pw 2008-03-05 regvalue = gpio_sccb_read(I2C_OV7725, 0xac); gpio_i2c_write(I2C_OV7725, 0xac, 0xdf®value); gpio_i2c_write(I2C_OV7725, 0x8f, 0x04);} }void ov7725_vga_ioctl(void){ if(powerfreq == DC_VAL_50HZ) { gpio_i2c_write(I2C_OV7725, 0x2b, 0x00); } else if(powerfreq == DC_VAL_60HZ) { gpio_i2c_write(I2C_OV7725, 0x2b, 0xff); } gpio_i2c_write(I2C_OV7725, 0x29, 0xa0); gpio_i2c_write(I2C_OV7725, 0x2c, 0xf0); gpio_i2c_write(I2C_OV7725, 0x65, 0x20);} void ov7725_qvga_ioctl(void) { if(powerfreq == DC_VAL_50HZ) { gpio_i2c_write(I2C_OV7725, 0x2b, 0x00); } else if(powerfreq == DC_VAL_60HZ) { gpio_i2c_write(I2C_OV7725, 0x2b, 0xff); } gpio_i2c_write(I2C_OV7725, 0x29, 0x50); gpio_i2c_write(I2C_OV7725, 0x2c, 0x78); gpio_i2c_write(I2C_OV7725, 0x65, 0x20); } void ov7725_qqvga_ioctl(void){ if(powerfreq == DC_VAL_50HZ) { gpio_i2c_write(I2C_OV7725, 0x2b, 0x00); } else if(powerfreq == DC_VAL_60HZ) { gpio_i2c_write(I2C_OV7725, 0x2b, 0xff); } gpio_i2c_write(I2C_OV7725, 0x29, 0x25); gpio_i2c_write(I2C_OV7725, 0x2c, 0x39); gpio_i2c_write(I2C_OV7725, 0x65, 0x20);}/* * ov7725 open routine. * do nothing. * */ int ov7725_open(struct inode * inode, struct file * file){ return 0;}/* * ov7725 close routine. * do nothing. * */ int ov7725_close(struct inode * inode, struct file * file){ return 0;}#define REG_DIRECT_OPR 0x8000#define is_directreg_opt(cmd) ((cmd & REG_DIRECT_OPR) == REG_DIRECT_OPR)int ov7725_ioctl_reg(unsigned int oprcmd, unsigned long arg){ void __user *argp = (void __user *)arg; #define REG_OPR_READ_MASK 0x8000 #define REG_OPR_WRITE_MASK 0xC000 #define REG_ADDR_MASK 0x00FF unsigned int regaddr = 0; unsigned int regvalue = 0; unsigned int val = 0; if ((oprcmd & REG_DIRECT_OPR) == 0) { return -1; } regaddr = oprcmd & REG_ADDR_MASK; if ( (oprcmd & REG_OPR_WRITE_MASK) == REG_OPR_WRITE_MASK)/*WRITE*/ { if (copy_from_user(&val, argp, sizeof(val))) { return -EFAULT; } gpio_i2c_write(I2C_OV7725, regaddr, val); } else if ( (oprcmd & REG_OPR_READ_MASK) == REG_OPR_READ_MASK) /*READ*/ { regvalue = gpio_sccb_read(I2C_OV7725, regaddr); return copy_to_user(argp, ®value, sizeof(regvalue))?-EFAULT : 0; } else { return -1; } return 0;}/* * ov7725 ioctl routine. * @param inode: pointer of the node; * @param file: pointer of the file; * * @param cmd: command from the app: * DC_MODE_SET(1):set ov7725's output format; * DC_MODE_GET(2):get ov7725's output format; * DC_ZOOM_SET(3):set ov7725's output drive capability; * DC_ZOOM_GET(4):get ov7725's output drive capability; * DC_MIRROR_SET(5):set ov7725's mirror enable or disable; * DC_MIRROR_GET(6):get ov7725's mirror enable or disable;; * DC_NIGHTMODE_SET(7):set ov7725's night mode; * DC_NIGHTMODE_GET(8):get ov7725's night mode; * DC_SYNCMODE_SET(9):set ov7725's sync mode; * DC_SYNCMODE_GET(a):get ov7725's sync mode; * * @param arg:arg from app layer. * * @return value:0-- set success; 1-- set error. * */ int ov7725_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg){ void __user *argp = (void __user *)arg; unsigned int val = 0; unsigned int regvalue = 0; if (is_directreg_opt(cmd)) { return ov7725_ioctl_reg(cmd, arg); } if (copy_from_user(&val, argp, sizeof(val))) { return -EFAULT; } switch (cmd) { case DC_SET_IMAGESIZE: { unsigned int imagesize = val; if(imagesize == DC_VAL_VGA) { ov7725_vga_ioctl(); } else if(imagesize == DC_VAL_QVGA) { ov7725_qvga_ioctl(); } else if(imagesize == DC_VAL_QQVGA) { ov7725_qqvga_ioctl(); } else { printk("imagesize_set_error.\n"); return -1; } break; } /*case DC_SET_BRIGHT: { unsigned int bright = val; gpio_i2c_write(I2C_OV7725, 0x9b, bright); break; } case DC_SET_CONTRACT: { unsigned int contrast = val; gpio_i2c_write(I2C_OV7725, 0x9c, contrast); break; }*/ case DC_SET_HUE: { unsigned int hue = val, regvalue = gpio_sccb_read(I2C_OV7725, 0xa6); gpio_i2c_write(I2C_OV7725, 0xa6, regvalue|0x01); if(hue <0x80) { gpio_i2c_write(I2C_OV7725, 0xaa, (hue+0x80)); gpio_i2c_write(I2C_OV7725, 0xa9, (hue+0x80)); } else if(hue >= 0x80&&hue <= 0xff) { gpio_i2c_write(I2C_OV7725, 0xaa, !hue); gpio_i2c_write(I2C_OV7725, 0xa9, !hue); } else { printk("hue_set_error.\n"); return -1; } break; } case DC_SET_SATURATION: { unsigned int saturation = val; gpio_i2c_write(I2C_OV7725, 0xa7, saturation); gpio_i2c_write(I2C_OV7725, 0xa8, saturation); break; } case DC_SET_SHARPNESS: { unsigned int sharpness = val; regvalue = gpio_sccb_read(I2C_OV7725, 0xac); gpio_i2c_write(I2C_OV7725, 0xac, 0xdf®value); gpio_i2c_write(I2C_OV7725, 0x8f, sharpness); break; } case DC_SET_ADNSWITCH: { unsigned int adnswitch = val; regvalue = gpio_sccb_read(I2C_OV7725, 0xac); if(adnswitch == DC_VAL_ON) { gpio_i2c_write(I2C_OV7725, 0xac, (0x40|regvalue)); } else if(adnswitch == DC_VAL_OFF) { gpio_i2c_write(I2C_OV7725, 0xac, (0xbf®value)); } else { printk("adnswitch_set_error.\n"); return -1; } break; } case DC_SET_DNT: { unsigned int dnt = val; regvalue = gpio_sccb_read(I2C_OV7725, 0xac); gpio_i2c_write(I2C_OV7725, 0xac, 0xbf®value); gpio_i2c_write(I2C_OV7725, 0x8e, dnt); break; } case DC_SET_AWBSWITCH: { unsigned int awbswitch = val; regvalue = gpio_sccb_read(I2C_OV7725, 0x13); if(awbswitch == DC_VAL_ON) { gpio_i2c_write(I2C_OV7725, 0x13, (0x02|regvalue)); } else if(awbswitch == DC_VAL_OFF) { gpio_i2c_write(I2C_OV7725, 0x13, (0xfd®value)); } break; } case DC_SET_WBR: { unsigned int wbr = val; regvalue = gpio_sccb_read(I2C_OV7725, 0x13); gpio_i2c_write(I2C_OV7725, 0x13, (0xfd®value)); gpio_i2c_write(I2C_OV7725, 0x02, wbr); break; } case DC_SET_WBB: { unsigned int wbb = val; regvalue = gpio_sccb_read(I2C_OV7725, 0x13); gpio_i2c_write(I2C_OV7725, 0x13, (0xfd®value)); gpio_i2c_write(I2C_OV7725, 0x01, wbb); break; } case DC_SET_AECSWITCH: { unsigned int aecswitch = val; regvalue = gpio_sccb_read(I2C_OV7725, 0x13); if(aecswitch == DC_VAL_ON) { gpio_i2c_write(I2C_OV7725, 0x13, (0x01|regvalue)); } else if(aecswitch == DC_VAL_OFF) { gpio_i2c_write(I2C_OV7725, 0x13, (0xfe®value)); } else { printk("aecswitch_set_error.\n"); return -1; } break; } case DC_SET_EC: { unsigned int ec = val; if(ec >= 0x80) { gpio_i2c_write(I2C_OV7725, 0x10, 0xff); gpio_i2c_write(I2C_OV7725, 0x08, (ec - 0x80)*2); } else if(ec < 0x80) { gpio_i2c_write(I2C_OV7725, 0x10, 0x00); gpio_i2c_write(I2C_OV7725, 0x08, ec*2); } else { printk("ec_set_error.\n"); return -1; } break; } case DC_SET_AGCSWITCH: { unsigned int agcswitch = val; regvalue = gpio_sccb_read(I2C_OV7725, 0x13); if(agcswitch == DC_VAL_ON) { gpio_i2c_write(I2C_OV7725, 0x13, (0x04|regvalue)); } else if(agcswitch == DC_VAL_OFF) { gpio_i2c_write(I2C_OV7725, 0x13, (0xfb®value)); } else { printk("agcswitch_set_error.\n"); return -1; } break; } case DC_SET_GC: { unsigned int agc = val; regvalue = gpio_sccb_read(I2C_OV7725, 0x13); gpio_i2c_write(I2C_OV7725, 0x13, 0xfb®value); gpio_i2c_write(I2C_OV7725, 0x00, agc); break; } case DC_SET_ABLCSWITCH: { unsigned int ablcswitch = val; regvalue = gpio_sccb_read(I2C_OV7725, 0x3e); if(ablcswitch == DC_VAL_ON) { gpio_i2c_write(I2C_OV7725, 0x3e, (0x04|regvalue)); } else if(ablcswitch == DC_VAL_OFF) { gpio_i2c_write(I2C_OV7725, 0x3e, (0xfb®value)); } else { printk("ablcswitch_set_error.\n"); return -1; } break; } case DC_SET_COLOR: { unsigned int color = val,precolor_u,precolor_v; precolor_u = gpio_sccb_read(I2C_OV7725, 0xa7); precolor_v = gpio_sccb_read(I2C_OV7725, 0xa8); regvalue = gpio_sccb_read(I2C_OV7725, 0x64); if(color == DC_VAL_ON) { gpio_i2c_write(I2C_OV7725, 0xa7, precolor_u); gpio_i2c_write(I2C_OV7725, 0xa8, precolor_v); } else if(color == DC_VAL_OFF) { gpio_i2c_write(I2C_OV7725, 0xa7, 0x00); gpio_i2c_write(I2C_OV7725, 0xa8, 0x00); } else { printk("color_set_error.\n"); return -1; } break; } case DC_SET_SCENE: { unsigned int scene = val; if(scene == DC_VAL_OUTDOOR) { gpio_i2c_write(I2C_OV7725, 0x13, 0xfd); gpio_i2c_write(I2C_OV7725, 0x01, 0x5a); gpio_i2c_write(I2C_OV7725, 0x02, 0x5c); gpio_i2c_write(I2C_OV7725, 0x0e, 0x65); gpio_i2c_write(I2C_OV7725, 0x2d, 0x00); gpio_i2c_write(I2C_OV7725, 0x2e, 0x00); s_s32Scene = DC_VAL_OUTDOOR; }?? 快捷鍵說明
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