/* * mths.c * * Created on: Apr 26, 2018 * Author: leonid */ static struct gpio_pin gpio_pins_mths_0_0[] = { { .name = "RADIO_POWER_MONITOR", .pin = { .gpio = AT91_PIN_PA23, .flags = GPIOF_IN, .label = "radio-power-monitor", }, .active_low = 0, }, { .name = "RADIO_RESET", .pin = { .gpio = AT91_PIN_PA22, .flags = GPIOF_OUT_INIT_HIGH | GPIOF_OPEN_DRAIN, .label = "radio-reset", }, .active_low = 0, }, { .name = "RADIO_POWER", .pin = { .gpio = AT91_PIN_PA21, .flags = GPIOF_OUT_INIT_HIGH | GPIOF_OPEN_DRAIN, .label = "radio-power", }, .active_low = 0, }, { .name = "DEVICE_RESET", .pin = { .gpio = AT91_PIN_PC4, .flags = GPIOF_IN, .label = "reset", }, .active_low = 1, }, { .name = "WPS_BUTTON", .pin = { .gpio = AT91_PIN_PA13, .flags = GPIOF_IN, .label = "wps_button", }, .active_low = 1, }, { .name = "BT_BUTTON", .pin = { //TODO return back .gpio = AT91_PIN_PC4, .gpio = AT91_PIN_PA12, .flags = GPIOF_IN, .label = "bt_button", }, .active_low = 1, }, { .name = "LS_LED", .pin = { .gpio = AT91_PIN_PC16, #if LED_LS_CONTROLLABLE .flags = GPIOF_OUT_INIT_HIGH, #else .flags = GPIOF_IN, #endif .label = "led-ls", }, .active_low = 1, }, { .name = "LED3", .pin = { .gpio = AT91_PIN_PC15, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-wifi", }, .active_low = 1, }, { .name = "LED3", .pin = { .gpio = AT91_PIN_PC15, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-b", }, .active_low = 1, }, { .name = "LED4", .pin = { .gpio = AT91_PIN_PC20, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-bt", }, .active_low = 1, }, { .name = "LED4", .pin = { .gpio = AT91_PIN_PC20, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-c", }, .active_low = 1, }, { .name = "LED5", .pin = { .gpio = AT91_PIN_PC21, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-status", }, .active_low = 1, }, { .name = "LED5", .pin = { .gpio = AT91_PIN_PC21, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-cd", }, .active_low = 1, }, { .name = "LED6", .pin = { .gpio = AT91_PIN_PC19, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-sig3", }, .active_low = 1, }, { .name = "LED6", .pin = { .gpio = AT91_PIN_PC19, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-d", }, .active_low = 1, }, { .name = "LED7", .pin = { .gpio = AT91_PIN_PC18, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-sig2", }, .active_low = 1, }, { .name = "LED7", .pin = { .gpio = AT91_PIN_PC18, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-e", }, .active_low = 1, }, { .name = "LED8", .pin = { .gpio = AT91_PIN_PC17, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-sig1", }, .active_low = 1, }, { .name = "LED8", .pin = { .gpio = AT91_PIN_PC17, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-f", }, .active_low = 1, }, // The difference between MTRv1_0_0 and MTRv1_0_1 starts here { .name = "WIFI_BT_ULPWKUP", .pin = { .gpio = AT91_PIN_PB9, .flags = GPIOF_IN, .label = "wifi-bt-ulpwkup", } }, { .name = "WIFI_BT_LPWKUP", .pin = { .gpio = AT91_PIN_PB11, .flags = GPIOF_IN, .label = "wifi-bt-lpwkup", } }, { .name = "WIFI_BT_INT", .pin = { .gpio = AT91_PIN_PB13, .flags = GPIOF_IN, .label = "wifi-bt-int", } }, { .name = "WIFI_BT_RESET", .pin = { .gpio = AT91_PIN_PB10, .flags = GPIOF_OUT_INIT_HIGH, .label = "wifi-bt-reset", } }, { .name = "WIFI_BT_LPMODE", .pin = { .gpio = AT91_PIN_PB12, .flags = GPIOF_IN, .label = "wifi-bt-lpmode", } }, { .name = "GNSS_RESET", .pin = { .gpio = AT91_PIN_PC6, .flags = GPIOF_OUT_INIT_LOW, .label = "gnss-reset", } }, { .name = "USBHUB_RESET", .pin = { .gpio = AT91_PIN_PB6, .flags = GPIOF_OUT_INIT_HIGH, .label = "usbhub-reset", } }, { .name = "GNSS_INT", .pin = { .gpio = AT91_PIN_PC7, .flags = GPIOF_OUT_INIT_HIGH, .label = "gnss-int", } }, { }, }; /* MTHS-0.1 has no WIFI LED */ static struct gpio_pin gpio_pins_mths_0_1[] = { { .name = "RADIO_POWER_MONITOR", .pin = { .gpio = AT91_PIN_PA23, .flags = GPIOF_IN, .label = "radio-power-monitor", }, .active_low = 0, }, { .name = "RADIO_RESET", .pin = { .gpio = AT91_PIN_PA22, .flags = GPIOF_OUT_INIT_HIGH | GPIOF_OPEN_DRAIN, .label = "radio-reset", }, .active_low = 0, }, { .name = "RADIO_POWER", .pin = { .gpio = AT91_PIN_PA21, .flags = GPIOF_OUT_INIT_HIGH | GPIOF_OPEN_DRAIN, .label = "radio-power", }, .active_low = 0, }, { .name = "DEVICE_RESET", .pin = { .gpio = AT91_PIN_PC4, .flags = GPIOF_IN, .label = "reset", }, .active_low = 1, }, { .name = "WPS_BUTTON", .pin = { .gpio = AT91_PIN_PA13, .flags = GPIOF_IN, .label = "wps_button", }, .active_low = 1, }, { .name = "BT_BUTTON", .pin = { //TODO return back .gpio = AT91_PIN_PC4, .gpio = AT91_PIN_PA12, .flags = GPIOF_IN, .label = "bt_button", }, .active_low = 1, }, { .name = "LS_LED", .pin = { .gpio = AT91_PIN_PC16, #if LED_LS_CONTROLLABLE .flags = GPIOF_OUT_INIT_HIGH, #else .flags = GPIOF_IN, #endif .label = "led-ls", }, .active_low = 1, }, { .name = "LED4", .pin = { .gpio = AT91_PIN_PC20, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-bt", }, .active_low = 1, }, { .name = "LED4", .pin = { .gpio = AT91_PIN_PC20, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-c", }, .active_low = 1, }, { .name = "LED5", .pin = { .gpio = AT91_PIN_PC21, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-status", }, .active_low = 1, }, { .name = "LED5", .pin = { .gpio = AT91_PIN_PC21, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-cd", }, .active_low = 1, }, { .name = "LED6", .pin = { .gpio = AT91_PIN_PC19, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-sig3", }, .active_low = 1, }, { .name = "LED6", .pin = { .gpio = AT91_PIN_PC19, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-d", }, .active_low = 1, }, { .name = "LED7", .pin = { .gpio = AT91_PIN_PC18, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-sig2", }, .active_low = 1, }, { .name = "LED7", .pin = { .gpio = AT91_PIN_PC18, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-e", }, .active_low = 1, }, { .name = "LED8", .pin = { .gpio = AT91_PIN_PC17, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-sig1", }, .active_low = 1, }, { .name = "LED8", .pin = { .gpio = AT91_PIN_PC17, .flags = GPIOF_OUT_INIT_HIGH, .label = "led-f", }, .active_low = 1, }, // The difference between MTRv1_0_0 and MTRv1_0_1 starts here { .name = "WIFI_BT_ULPWKUP", .pin = { .gpio = AT91_PIN_PB9, .flags = GPIOF_IN, .label = "wifi-bt-ulpwkup", } }, { .name = "WIFI_BT_LPWKUP", .pin = { .gpio = AT91_PIN_PB11, .flags = GPIOF_IN, .label = "wifi-bt-lpwkup", } }, { .name = "WIFI_BT_INT", .pin = { .gpio = AT91_PIN_PB13, .flags = GPIOF_IN, .label = "wifi-bt-int", } }, { .name = "WIFI_BT_RESET", .pin = { .gpio = AT91_PIN_PB10, .flags = GPIOF_OUT_INIT_HIGH, .label = "wifi-bt-reset", } }, { .name = "WIFI_BT_LPMODE", .pin = { .gpio = AT91_PIN_PB12, .flags = GPIOF_IN, .label = "wifi-bt-lpmode", } }, { .name = "GNSS_RESET", .pin = { .gpio = AT91_PIN_PC6, .flags = GPIOF_OUT_INIT_LOW, .label = "gnss-reset", } }, { .name = "USBHUB_RESET", .pin = { .gpio = AT91_PIN_PB6, .flags = GPIOF_OUT_INIT_HIGH, .label = "usbhub-reset", } }, { .name = "GNSS_INT", .pin = { .gpio = AT91_PIN_PC7, .flags = GPIOF_OUT_INIT_HIGH, .label = "gnss-int", } }, { }, }; button_info_t mths_wps_button = { .name = "User Push Button WPS", .label_pin = "wps_button", .label_monitor = "wps_button-monitor", .label_monitor_intervals = "wps_button-monitor-intervals", /* Signals */ .short_signal = SIGUSR1, .long_signal = SIGUSR2, .short_signal = SIGHUP, /* Intervals */ .short_interval = BUTTON_HOLD_COUNT, .long_interval = BUTTON_LONG_HOLD_COUNT, }; button_info_t mths_bt_button = { .name = "User Push Button BT", .label_pin = "bt_button", .label_monitor = "bt_button-monitor", .label_monitor_intervals = "bt_button-monitor-intervals", /* Signals */ .short_signal = SIGUSR1, .long_signal = SIGUSR2, .short_signal = SIGHUP, /* Intervals */ .short_interval = BUTTON_HOLD_COUNT, .long_interval = BUTTON_LONG_HOLD_COUNT, }; /* MTHS 0.0 and 0.1 have same buttons. */ static button_info_pt mths_buttons_0_0[] = { &reset_button, &mths_wps_button, &mths_bt_button, NULL, }; static DEVICE_ATTR_MTS(dev_attr_wps_button_monitor_intervals_mths, mths_wps_button.label_monitor_intervals, mts_attr_show_button_monitor_intervals, mts_attr_store_button_monitor_intervals); static DEVICE_ATTR_MTS(dev_attr_wps_button_monitor_mths, mths_wps_button.label_monitor, mts_attr_show_button_monitor, mts_attr_store_button_monitor); static DEVICE_ATTR_RO_MTS(dev_attr_wps_button_pin_mths, mths_wps_button.label_pin, mts_attr_show_gpio_pin); static DEVICE_ATTR_MTS(dev_attr_bt_button_monitor_intervals_mths, mths_bt_button.label_monitor_intervals, mts_attr_show_button_monitor_intervals, mts_attr_store_button_monitor_intervals); static DEVICE_ATTR_MTS(dev_attr_bt_button_monitor_mths, mths_bt_button.label_monitor, mts_attr_show_button_monitor, mts_attr_store_button_monitor); static DEVICE_ATTR_RO_MTS(dev_attr_bt_button_pin_mths, mths_bt_button.label_pin, mts_attr_show_gpio_pin); /* radio control (power/reset) for mtr */ static int radio_off_mths(void) { int value; struct gpio_pin *pwrmon_pin = gpio_pin_by_attr_name("radio-power-monitor"); struct gpio_pin *onoff_pin = gpio_pin_by_attr_name("radio-power"); struct gpio_pin *rst_pin = gpio_pin_by_attr_name("radio-reset"); if (!onoff_pin || !pwrmon_pin || !rst_pin) { return -ENODEV; } value = gpio_get_value(pwrmon_pin->pin.gpio); if(value == 0) { log_error("radio is already off"); return -EINVAL; } // drive on/off pin low for at least 3 sec log_info("shutting down radio"); gpio_set_value(onoff_pin->pin.gpio, 0); msleep(3500); // set on/off pin high gpio_set_value(onoff_pin->pin.gpio, 1); msleep(200); // check that power is low value = gpio_get_value(pwrmon_pin->pin.gpio); if(value != 0) { log_warning("radio is still on. performing radio reset."); //Perform Hard Reset gpio_set_value(rst_pin->pin.gpio, 0); msleep(500); // set pin high gpio_set_value(rst_pin->pin.gpio, 1); } else { log_info("radio has been shut down"); } return 0; } static int radio_on_mths(void) { int value; struct gpio_pin *pwrmon_pin = gpio_pin_by_attr_name("radio-power-monitor"); struct gpio_pin *onoff_pin = gpio_pin_by_attr_name("radio-power"); struct gpio_pin *rst_pin = gpio_pin_by_attr_name("radio-reset"); if (!onoff_pin || !pwrmon_pin || !rst_pin) { return -ENODEV; } value = gpio_get_value(pwrmon_pin->pin.gpio); if(value != 0) { log_error("radio is already on"); return -EINVAL; } // drive on/off pin low for at least 5 sec log_info("turning on radio"); gpio_set_value(onoff_pin->pin.gpio, 0); // ref:Telit_LE910_V2_Hardware_User_Guide_r9.pdf // pg 32: When USB is connected or after firmware updating, // delay must be equal at least to 10 seconds. msleep(10500); // set on/off pin high gpio_set_value(onoff_pin->pin.gpio, 1); log_info("radio_on_mths: radio should be coming up"); msleep(200); // check that power is high value = gpio_get_value(pwrmon_pin->pin.gpio); if(value == 0) { log_warning("radio_on_mths: radio is still off. performing radio reset"); //Perform Hard Reset gpio_set_value(rst_pin->pin.gpio, 0); msleep(500); // set pin high gpio_set_value(rst_pin->pin.gpio, 1); } else { log_info("radio has been turned on"); } return 0; } static int radio_reset_mths(void) { struct gpio_pin *onoff_pin = gpio_pin_by_attr_name("radio-power"); struct gpio_pin *rst_pin = gpio_pin_by_attr_name("radio-reset"); if (!rst_pin || !onoff_pin) { return -ENODEV; } reset_radio_udev_discovery(); // drive reset pin low for 500ms gpio_set_value(rst_pin->pin.gpio, 0); msleep(500); // set pin high gpio_set_value(rst_pin->pin.gpio, 1); // wait for 2 sec before toggling on/off pin msleep(2000); // drive on/off pin low for 10.5 sec gpio_set_value(onoff_pin->pin.gpio, 0); log_info("Wait 10.5 seconds for on/off pin"); msleep(10500); log_info("Done with wait 10.5 seconds for on/off pin"); // set on/off pin high gpio_set_value(onoff_pin->pin.gpio, 1); msleep(200); // Delay for status pin to switch return 0; } static ssize_t mts_attr_store_radio_power_mths(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { int value; int err; if (sscanf(buf, "%i", &value) != 1) { return -EINVAL; } if (value == 0) { mutex_lock(&mts_io_mutex); err = radio_off_mths(); mutex_unlock(&mts_io_mutex); } else { mutex_lock(&mts_io_mutex); err = radio_on_mths(); mutex_unlock(&mts_io_mutex); } if (err) { return err; } return count; } static ssize_t mts_attr_store_radio_reset_mths(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { int value; /* 0 = normal reset; -1 = forced reset */ int err; if (sscanf(buf, "%i", &value) != 1) { return -EINVAL; } if (value != 0 && value != -1) { return -EINVAL; } /* check reset timings is enabled */ if (value != -1 && NULL != timings_data) { /* check reset timer is started */ if (radio_reset_timer_is_start == 1) { log_info("radio reset timer is running. \n"); return count; } /* check reset timer available is started */ if (radio_reset_available_timer_is_start == 1) { del_timer(&radio_reset_available_timer); radio_reset_available_timer_is_start = 0; } /* reset timer not started, start it */ mod_timer(&radio_reset_timer, jiffies + msecs_to_jiffies((timings_data[timings_data_index]) * 1000)); //log_info("radio reset timer is start = [%d]\n", time_now_secs()); /* save timings_data_stop_seconds */ timings_data_stop_seconds = timings_data[timings_data_index] + time_now_secs(); radio_reset_timer_is_start = 1; } log_info("radio is reset\n"); mutex_lock(&mts_io_mutex); err = radio_reset_mths(); mutex_unlock(&mts_io_mutex); if (err) { return err; } return count; } static ssize_t mts_attr_show_radio_power_mths(struct device *dev, struct device_attribute *attr, char *buf) { int value; struct gpio_pin *pwrmon_pin = gpio_pin_by_attr_name("radio-power-monitor"); if ( !pwrmon_pin ) { return -ENODEV; } value = gpio_get_value(pwrmon_pin->pin.gpio); return sprintf(buf, "%d\n", value); } static DEVICE_ATTR_MTS(dev_attr_radio_power_mths, "radio-power", mts_attr_show_radio_power_mths, mts_attr_store_radio_power_mths); static DEVICE_ATTR_MTS(dev_attr_radio_reset_mths, "radio-reset", mts_attr_show_gpio_pin, mts_attr_store_radio_reset_mths); static DEVICE_ATTR_MTS(dev_attr_led_wifi_gpio_mths, "led-wifi", mts_attr_show_gpio_pin, mts_attr_store_gpio_pin); static DEVICE_ATTR_MTS(dev_attr_led_bt_gpio_mths, "led-bt", mts_attr_show_gpio_pin, mts_attr_store_gpio_pin); static DEVICE_ATTR_MTS(dev_attr_led_f_gpio_mths, "led-f", mts_attr_show_gpio_pin, mts_attr_store_gpio_pin); static DEVICE_ATTR_RO_MTS(dev_attr_wifi_mac_mths, "mac-wifi", mts_attr_show_product_info); static DEVICE_ATTR_RO_MTS(dev_attr_bluetooth_mac_mths, "mac-bluetooth", mts_attr_show_product_info); static DEVICE_ATTR_MTS(dev_attr_wifi_bt_lpwkup_mths, "wifi-bt-lpwkup", mts_attr_show_gpio_pin, mts_attr_store_gpio_pin); static DEVICE_ATTR_MTS(dev_attr_wifi_bt_ulpwkup_mths, "wifi-bt-ulpwkup", mts_attr_show_gpio_pin, mts_attr_store_gpio_pin); static DEVICE_ATTR_MTS(dev_attr_wifi_bt_reset_mths, "wifi-bt-reset", mts_attr_show_gpio_pin, mts_attr_store_gpio_pin); static DEVICE_ATTR_RO_MTS(dev_attr_wifi_bt_lpmode_mths, "wifi-bt-lpmode", mts_attr_show_gpio_pin); static DEVICE_ATTR_RO_MTS(dev_attr_wifi_bt_int_mths, "wifi-bt-int", mts_attr_show_gpio_pin); static DEVICE_ATTR_MTS(dev_attr_gnss_reset_mths, "gnss-reset", mts_attr_show_gpio_pin, mts_attr_store_gpio_pin); static DEVICE_ATTR_MTS(dev_attr_usbhub_reset_mths, "usbhub-reset", mts_attr_show_gpio_pin, mts_attr_store_gpio_pin); static DEVICE_ATTR_RO_MTS(dev_attr_gnss_int_mths, "gnss-int", mts_attr_show_gpio_pin); static struct attribute *mths_0_0_platform_attributes[] = { &dev_attr_vendor_id.attr, &dev_attr_product_id.attr, &dev_attr_device_id.attr, &dev_attr_uuid.attr, &dev_attr_hw_version.attr, &dev_attr_imei.attr, &dev_attr_wifi_mac_mths.attr, &dev_attr_bluetooth_mac_mths.attr, &dev_attr_has_radio.attr, &dev_attr_reset.attr, &dev_attr_reset_monitor.attr, &dev_attr_reset_monitor_intervals.attr, &dev_attr_wps_button_pin_mths.attr, &dev_attr_wps_button_monitor_mths.attr, &dev_attr_wps_button_monitor_intervals_mths.attr, &dev_attr_bt_button_pin_mths.attr, &dev_attr_bt_button_monitor_mths.attr, &dev_attr_bt_button_monitor_intervals_mths.attr, &dev_attr_radio_power_mths.attr, &dev_attr_radio_reset_mths.attr, &dev_attr_radio_reset_backoffs.attr, &dev_attr_radio_reset_backoff_index.attr, &dev_attr_radio_reset_backoff_seconds.attr, &dev_attr_wifi_bt_lpwkup_mths.attr, &dev_attr_wifi_bt_ulpwkup_mths.attr, &dev_attr_wifi_bt_reset_mths.attr, &dev_attr_wifi_bt_lpmode_mths.attr, &dev_attr_wifi_bt_int_mths.attr, &dev_attr_gnss_reset_mths.attr, &dev_attr_usbhub_reset_mths.attr, &dev_attr_gnss_int_mths.attr, &dev_attr_led_status.attr, &dev_attr_led_cd_gpio.attr, &dev_attr_led_sig1_gpio.attr, &dev_attr_led_sig2_gpio.attr, &dev_attr_led_sig3_gpio.attr, &dev_attr_led_wifi_gpio_mths.attr, &dev_attr_led_bt_gpio_mths.attr, &dev_attr_led_b_gpio.attr, &dev_attr_led_c_gpio.attr, &dev_attr_led_d_gpio.attr, &dev_attr_led_e_gpio.attr, &dev_attr_led_f_gpio_mths.attr, // UDEV notification of radio discovery &dev_attr_radio_udev_discovery.attr, &dev_attr_radio_reset_monitor.attr, NULL, }; static struct attribute_group mths_0_0_platform_attribute_group = { .attrs = mths_0_0_platform_attributes };