static ssize_t usb_sel_store(struct device *dev, struct device_attribute *attr,const char *buf, size_t size)
{
int state;
if (sscanf(buf, "%i", &state) != 1 || (state < 0 || state > 2))
return -EINVAL;
// prevents the system from entering suspend
wake_lock(&sec_misc_wake_lock);
if(state == 2) {
p3_set_usb_path(USB_SEL_ADC); // Set USB path to CP
klogi("Set USB path to ADC\n");
}
else if(state == 1) {
p3_set_usb_path(USB_SEL_AP_USB); // Set USB path to AP
klogi("Set USB path to AP\n");
}
else if(state == 0) {
p3_set_usb_path(USB_SEL_CP_USB); // Set USB path to CP
klogi("Set USB path to CP\n");
}
else
klogi("Enter 2(ADC usb) or 1(AP usb) or 0(CP usb)...\n");
wake_unlock(&sec_misc_wake_lock);
return size;
}
void p3_usb_path_init(void){
int usbsel1, usbsel2;
gpio_request(GPIO_USB_SEL1, "GPIO_USB_SEL1");
gpio_direction_output(GPIO_USB_SEL1, 0);
tegra_gpio_enable(GPIO_USB_SEL1);
gpio_request(GPIO_USB_SEL2, "GPIO_USB_SEL2");
gpio_direction_input(GPIO_USB_SEL2);
usbsel2 = gpio_get_value(GPIO_USB_SEL2);
gpio_direction_output(GPIO_USB_SEL2, 0);
tegra_gpio_enable(GPIO_USB_SEL2);
if (usbsel2 == 1) {
p3_set_usb_path(USB_SEL_AP_USB);
} else if (usbsel2 == 0) {
p3_set_usb_path(USB_SEL_CP_USB);
}
}
static int __init sec_misc_init(void)
{
int ret=0;
klogi("started!");
printk("[denis]sec_misc_init!\n");
ret = misc_register(&sec_misc_device);
if (ret<0) {
kloge("misc_register failed!");
return ret;
}
//sec_switch_class = class_create(THIS_MODULE, "sec");
//if (IS_ERR(sec_switch_class))
//pr_err("Failed to create class named \"sec\"!\n");
//sec_misc_dev = device_create(sec_class, NULL, 0, NULL, "switch");
sec_misc_dev = device_create(sec_class, NULL, 0, NULL, "sec_misc"); //EUR
if (IS_ERR(sec_misc_dev)) {
kloge("failed to create device!");
return -1;
}
if (device_create_file(sec_misc_dev, &dev_attr_uartsel) < 0) {
kloge("failed to create device file!(%s)!\n", dev_attr_uartsel.attr.name);
return -1;
}
if (device_create_file(sec_misc_dev, &dev_attr_usbsel) < 0) {
kloge("failed to create device file!(%s)!\n", dev_attr_usbsel.attr.name);
return -1;
}
if (device_create_file(sec_misc_dev, &dev_attr_usb_state) < 0) //EUR
pr_err("Failed to create device file(%s)!\n", dev_attr_usb_state.attr.name); //EUR
if (device_create_file(sec_misc_dev, &dev_attr_emmc_checksum_done) < 0)
pr_err("failed to create device file - %s\n", dev_attr_emmc_checksum_done.attr.name);
if (device_create_file(sec_misc_dev, &dev_attr_emmc_checksum_pass) < 0)
pr_err("failed to create device file - %s\n", dev_attr_emmc_checksum_pass.attr.name);
wake_lock_init(&sec_misc_wake_lock, WAKE_LOCK_SUSPEND, "sec_misc");
p3_uart_path_init();
p3_usb_path_init();
p3_set_usb_path(USB_SEL_AP_USB);
init_jig_on();
return 0;
}
