From 1d2d4cb343e6d8b290e801a7dc776f9fb0aa8999 Mon Sep 17 00:00:00 2001 From: John Klug Date: Fri, 3 Sep 2021 04:59:39 -0500 Subject: radio reset monitor feature and MTRV1-0.4 hardware --- io-module/machine/mtr.c | 369 ++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 361 insertions(+), 8 deletions(-) (limited to 'io-module/machine/mtr.c') diff --git a/io-module/machine/mtr.c b/io-module/machine/mtr.c index 9f00be8..3838fd2 100644 --- a/io-module/machine/mtr.c +++ b/io-module/machine/mtr.c @@ -1460,6 +1460,270 @@ static struct gpio_pin gpio_pins_mtrv1_0_3[] = { { }, }; +static struct gpio_pin gpio_pins_mtrv1_0_4[] = { + { + .name = "ETH_RESET", + .pin = { + .gpio = AT91_PIN_PC6, + .flags = GPIOF_OUT_INIT_HIGH | GPIOF_OPEN_DRAIN, /* without GPIOF_OPEN_DRAIN causes issues with the Micrel KSZ8091RNBCA (RMII) PHY */ + .label = "eth-reset", + }, + .active_low = 0, + }, + { + .name = "DEVICE_RESET", + .pin = { + .gpio = AT91_PIN_PC4, + .flags = GPIOF_IN, + .label = "reset", + }, + .active_low = 1, + }, + { + .name = "LS_LED", + .pin = { + .gpio = AT91_PIN_PC4, +#if LED_LS_CONTROLLABLE + .flags = GPIOF_OUT_INIT_HIGH, +#else + .flags = GPIOF_IN, +#endif + .label = "led-ls", + }, + .active_low = 1, + }, + { + .name = "STATUS_LED", + .pin = { + .gpio = AT91_PIN_PC21, + .flags = GPIOF_OUT_INIT_LOW, + .label = "led-status", + }, + .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-cd", + }, + .active_low = 1, + }, + { + .name = "LED4", + .pin = { + .gpio = AT91_PIN_PC20, + .flags = GPIOF_OUT_INIT_HIGH, + .label = "led-c", + }, + .active_low = 1, + }, + { + .name = "LED6", + .pin = { + .gpio = AT91_PIN_PC19, + .flags = GPIOF_OUT_INIT_HIGH, + .label = "led-sig1", + }, + .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-sig3", + }, + .active_low = 1, + }, + { + .name = "LED8", + .pin = { + .gpio = AT91_PIN_PC17, + .flags = GPIOF_OUT_INIT_HIGH, + .label = "led-f", + }, + .active_low = 1, + }, + { // Moved in MTRV1-0.4 + .name = "RI_B", + .pin = { + .gpio = AT91_PIN_PC14, + .flags = GPIOF_OUT_INIT_HIGH, + .label = "extserial-ri", + }, + .active_low = 1, + }, + { + .name = "DTR_B", + .pin = { + .gpio = AT91_PIN_PC26, + .flags = GPIOF_IN, + .label = "extserial-dtr", + }, + .active_low = 1, + }, + { + .name = "DSR_B", + .pin = { + .gpio = AT91_PIN_PC27, + .flags = GPIOF_OUT_INIT_HIGH, + .label = "extserial-dsr", + }, + .active_low = 1, + }, + { + .name = "DCD_B", + .pin = { + .gpio = AT91_PIN_PC28, + .flags = GPIOF_OUT_INIT_HIGH, + .label = "extserial-dcd", + }, + .active_low = 1, + }, + + // The difference between MTRv1_0_0 and MTRv1_0_1 starts here + { + .name = "WIFI_BT_ULPWKUP", + .pin = { + .gpio = AT91_PIN_PA0, + .flags = GPIOF_IN, + .label = "wifi-bt-ulpwkup", + } + }, + { + .name = "WIFI_BT_LPWKUP", + .pin = { + .gpio = AT91_PIN_PA6, + .flags = GPIOF_IN, + .label = "wifi-bt-lpwkup", + } + }, + { + .name = "WIFI_BT_INT", + .pin = { + .gpio = AT91_PIN_PB11, + .flags = GPIOF_IN, + .label = "wifi-bt-int", + } + }, + { + .name = "WIFI_BT_RESET", + .pin = { + .gpio = AT91_PIN_PD14, + .flags = GPIOF_OUT_INIT_HIGH, + .label = "wifi-bt-reset", + } + }, + { + .name = "WIFI_BT_LPMODE", + .pin = { + .gpio = AT91_PIN_PD20, + .flags = GPIOF_IN, + .label = "wifi-bt-lpmode", + } + }, + { + .name = "GNSS_RESET", + .pin = { + .gpio = AT91_PIN_PD15, + .flags = GPIOF_OUT_INIT_LOW, + .label = "gnss-reset", + } + }, + { + .name = "SECURE_RESET", + .pin = { + .gpio = AT91_PIN_PD16, + .flags = GPIOF_OUT_INIT_HIGH, + .label = "secure-reset", + } + }, + { + .name = "MTQ_RESET", + .pin = { + .gpio = AT91_PIN_PD17, + .flags = GPIOF_OUT_INIT_HIGH, + .label = "radio-reset", + } + }, + { + .name = "GNSS_INT", + .pin = { + .gpio = AT91_PIN_PD19, + .flags = GPIOF_OUT_INIT_HIGH, + .label = "gnss-int", + } + }, + // Difference with mtrv1_0_1 starts here + { + .name = "RADIO_WM_LK_M", // WM LINK Monitor for CAT M + .pin = { + .gpio = AT91_PIN_PA14, + .flags = GPIOF_IN, + .label = "radio-wm-lk-m", + } + }, + // RADIO_STATUS must be at the end, because it might be removed + // if we ever support a Telit module which has no radio status. + { + .name = "RADIO_STATUS", + .pin = { + .gpio = AT91_PIN_PA28, + .flags = GPIOF_IN, + .label = "radio-status", + } + }, + + { }, +}; + /* radio control (power/reset) for mtr */ static int radio_off_mtr(void) { @@ -1561,7 +1825,7 @@ static int radio_reset_mtr(void) 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); @@ -1590,7 +1854,7 @@ static int radio_reset_mtr_mtq(void) if (!rst_pin) { return -ENODEV; } - + reset_radio_udev_discovery(); // drive reset pin low for 500ms gpio_set_value(rst_pin->pin.gpio, 0); @@ -1670,7 +1934,7 @@ static ssize_t mts_attr_store_radio_reset_mtr(struct device *dev, mutex_lock(&mts_io_mutex); - if (mts_hw_version == MTRV1_0_3) + if (mts_hw_version == MTRV1_0_3 || mts_hw_version == MTRV1_0_4) { err = radio_reset_mtr_mtq(); } @@ -1766,6 +2030,9 @@ static DEVICE_ATTR_MTS(dev_attr_usbhub_reset_mtr, "usbhub-reset", static DEVICE_ATTR_RO_MTS(dev_attr_gnss_int_mtr, "gnss-int", mts_attr_show_gpio_pin); +static DEVICE_ATTR_RO_MTS(dev_attr_radio_status_mtr, "radio-status", + mts_attr_show_gpio_pin); + static DEVICE_ATTR_RO_MTS(dev_attr_radio_wm_lk_m, "radio-wm-lk-m", mts_attr_show_gpio_pin); @@ -1816,6 +2083,9 @@ static struct attribute *mtr_platform_attributes[] = { &dev_attr_radio_reset_backoff_index.attr, &dev_attr_radio_reset_backoff_seconds.attr, + // UDEV notification of radio discovery + &dev_attr_radio_udev_discovery.attr, + &dev_attr_radio_reset_monitor.attr, NULL, }; @@ -1873,7 +2143,8 @@ static struct attribute *mtrv1_0_1_platform_attributes[] = { &dev_attr_led_d_gpio.attr, &dev_attr_led_e_gpio.attr, &dev_attr_led_f_gpio_mtr.attr, - + &dev_attr_radio_udev_discovery.attr, + &dev_attr_radio_reset_monitor.attr, NULL, }; @@ -1931,8 +2202,9 @@ static struct attribute *mtrv1_0_2_platform_attributes[] = { &dev_attr_led_e_gpio.attr, &dev_attr_led_f_gpio_mtr.attr, - &dev_attr_radio_wm_lk_m.attr, // CAT M feature - + &dev_attr_radio_wm_lk_m.attr, // CAT M feature + &dev_attr_radio_udev_discovery.attr, + &dev_attr_radio_reset_monitor.attr, NULL, }; @@ -1990,11 +2262,92 @@ static struct attribute *mtrv1_0_3_platform_attributes[] = { &dev_attr_led_e_gpio.attr, &dev_attr_led_f_gpio_mtr.attr, - &dev_attr_radio_wm_lk_m.attr, // CAT M feature? Is this still there on the MTQ with Quectel? - + &dev_attr_radio_wm_lk_m.attr, // CAT M feature? Is this still there on the MTQ with Quectel? + &dev_attr_radio_udev_discovery.attr, + &dev_attr_radio_reset_monitor.attr, NULL, }; static struct attribute_group mtrv1_0_3_platform_attribute_group = { .attrs = mtrv1_0_3_platform_attributes }; + +static struct attribute *mtrv1_0_4_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_eth_mac.attr, + &dev_attr_has_radio.attr, + &dev_attr_wifi_mac_mtr.attr, + &dev_attr_bluetooth_mac_mtr.attr, + + &dev_attr_reset.attr, + &dev_attr_reset_monitor.attr, + &dev_attr_reset_monitor_intervals.attr, + &dev_attr_radio_reset_mtr.attr, + + &dev_attr_radio_reset_backoffs.attr, + &dev_attr_radio_reset_backoff_index.attr, + &dev_attr_radio_reset_backoff_seconds.attr, + + &dev_attr_extserial_ri_gpio_mtr.attr, + &dev_attr_extserial_dtr_mtr.attr, + &dev_attr_extserial_dsr_gpio_mtr.attr, + &dev_attr_extserial_dcd_gpio_mtr.attr, + + &dev_attr_eth_reset_mtr.attr, + &dev_attr_wifi_bt_lpwkup_mtr.attr, + &dev_attr_wifi_bt_ulpwkup_mtr.attr, + &dev_attr_wifi_bt_reset_mtr.attr, + &dev_attr_wifi_bt_lpmode_mtr.attr, + &dev_attr_wifi_bt_int_mtr.attr, + &dev_attr_gnss_reset_mtr.attr, + &dev_attr_gnss_int_mtr.attr, + &dev_attr_radio_status_mtr.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_mtr.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_mtr.attr, + + &dev_attr_radio_wm_lk_m.attr, // CAT M feature? Is this still there on the MTQ with Quectel? + &dev_attr_radio_udev_discovery.attr, + &dev_attr_radio_reset_monitor.attr, + NULL, +}; + +static struct attribute_group mtrv1_0_4_platform_attribute_group = { + .attrs = mtrv1_0_4_platform_attributes +}; + +// L4G1 is active low, but other modules are active-high. +int +mtr_setup_radio_status(const char *product_id) +{ + struct gpio_pin *pin; + int l4g1; + + l4g1 = (strstr(product_id,"L4G1") != NULL); + if (l4g1) { + pin = gpio_pin_by_attr_name("radio-status"); + if (pin == NULL) { + printk(KERN_ERR "mts-io mtr_setup_radio_status() cannot find radio-status gpio"); + return -ENODEV; + } + pin->active_low = 1; + return 0; + } + return 0; +} + -- cgit v1.2.3