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Diffstat (limited to 'io-module/machine/mtcap3.c')
-rw-r--r--io-module/machine/mtcap3.c352
1 files changed, 182 insertions, 170 deletions
diff --git a/io-module/machine/mtcap3.c b/io-module/machine/mtcap3.c
index 738244e..9a81e1c 100644
--- a/io-module/machine/mtcap3.c
+++ b/io-module/machine/mtcap3.c
@@ -6,80 +6,90 @@ static struct gpio_pin gpio_pins_mtcap3_0_0[] = {
{
.name = "ETH_RESET",
.pin = {
- .gpio = NXP_GPIO(1, 4), // ETH_NRST - has ext PU
- .flags = GPIOF_OUT_INIT_HIGH,
+ .gpio = ~0U, // ETH_NRST - has ext PU
+ .flags = GPIOD_OUT_HIGH,
.label = "eth-reset",
},
- // mts-io in init leaves eth-reset asserted even though it is really
- // an nrst pin, and does this across boards. This is wrong logically,
- // but active_low must be 0 as legacy and for this to function properly.
- .active_low = 0,
+ // mts-io in init leaves eth-reset asserted even though it is really
+ // an nrst pin, and does this across boards. This is wrong logically,
+ // but active_low must be 0 as legacy and for this to function properly.
+ .active_low = 0,
+ .do_gpio_desc = 1
},
{
.name = "RADIO_POWER_MONITOR",
.pin = {
- .gpio = NXP_GPIO(4, 28), // CELL_STATUS
- .flags = GPIOF_IN,
+ .gpio = ~0U, // CELL_STATUS
+ .flags = GPIOD_IN,
.label = "radio-power-monitor",
},
+ .do_gpio_desc = 1
},
{
.name = "RADIO_RESET",
.pin = {
- .gpio = NXP_GPIO(5, 4), // CELL_RESET - has ext PD - inverted through FET
- .flags = GPIOF_OUT_INIT_LOW,
+ .gpio = ~0U, // CELL_RESET - has ext PD - inverted through FET
+ .flags = GPIOD_OUT_LOW,
.label = "radio-reset",
},
+ .do_gpio_desc = 1
},
{
.name = "RADIO_ONOFF",
.pin = {
- .gpio = NXP_GPIO(5, 8), // CELL_ONOFF - has ext PD - inverted through FET
- .flags = GPIOF_OUT_INIT_HIGH,
+ .gpio = ~0U, // CELL_ONOFF - has ext PD - inverted through FET
+ .flags = GPIOD_OUT_HIGH,
.label = "radio-onoff",
},
+ .do_gpio_desc = 1
},
{
.name = "RADIO_POWER",
.pin = {
- .gpio = NXP_GPIO(5, 0), // CELL_PWR_EN - has ext PD
- .flags = GPIOF_OUT_INIT_HIGH,
+ .gpio = ~0U, // CELL_PWR_EN - has ext PD
+ .flags = GPIOD_OUT_HIGH,
.label = "radio-power",
},
+ .do_gpio_desc = 1
},
{
.name = "RADIO_NETLIGHT", // LED4 is for cell network status
.pin = {
- .gpio = NXP_GPIO(4, 25),
- .flags = GPIOF_IN,
+ .gpio = ~0U,
+ .flags = GPIOD_IN,
.label = "radio-netlight",
},
+ .do_gpio_desc = 1
},
{
.name = "DEVICE_RESET",
.pin = {
- .gpio = NXP_GPIO(2, 13), // SWITCH_IN - has EXT PU
- .flags = GPIOF_IN,
+ .gpio = ~0U, // SWITCH_IN - has EXT PU
+ .flags = GPIOD_IN,
.label = "reset",
},
.active_low = 1,
+ .do_gpio_desc = 1
},
{
.name = "LORA_RESET",
.pin = {
- .gpio = NXP_GPIO(1, 25), // LORA_RST
- .flags = GPIOF_OUT_INIT_LOW,
+ .gpio = ~0U, // LORA_RST
+ .flags = GPIOD_OUT_LOW,
.label = "lora/reset",
},
+ .do_gpio_desc = 1,
.capability = CAPA_LORA,
+ .active_low = 1,
},
{
.name = "LORA_LBT_RESET",
.pin = {
- .gpio = NXP_GPIO(1, 27), // LORA_LBT_nRESET
- .flags = GPIOF_OUT_INIT_LOW,
+ .gpio = ~0U, // LORA_LBT_nRESET
+ .flags = GPIOD_OUT_LOW,
.label = "lora/lbt-reset",
},
+ .do_gpio_desc = 1,
.capability = CAPA_LORA_LBT,
.active_low = 1,
},
@@ -87,34 +97,38 @@ static struct gpio_pin gpio_pins_mtcap3_0_0[] = {
{
.name = "STATUS_LED",
.pin = {
- .gpio = NXP_GPIO(2, 15),
- .flags = GPIOF_OUT_INIT_HIGH,
+ .gpio = ~0U,
+ .flags = GPIOD_OUT_HIGH | GPIOD_FLAGS_BIT_NONEXCLUSIVE,
.label = "led-status",
},
+ .do_gpio_desc = 1
},
{
.name = "LED2",
.pin = {
- .gpio = NXP_GPIO(3, 21),
- .flags = GPIOF_OUT_INIT_LOW,
+ .gpio = ~0U,
+ .flags = GPIOD_OUT_LOW | GPIOD_FLAGS_BIT_NONEXCLUSIVE,
.label = "led-lora",
},
+ .do_gpio_desc = 1
},
{
.name = "LED3",
.pin = {
- .gpio = NXP_GPIO(3, 22),
- .flags = GPIOF_OUT_INIT_LOW,
+ .gpio = ~0U,
+ .flags = GPIOD_OUT_LOW | GPIOD_FLAGS_BIT_NONEXCLUSIVE,
.label = "led-cell",
},
+ .do_gpio_desc = 1
},
{
.name = "LED4",
.pin = {
- .gpio = NXP_GPIO(3, 23),
- .flags = GPIOF_OUT_INIT_HIGH,
+ .gpio = ~0U,
+ .flags = GPIOD_OUT_HIGH | GPIOD_FLAGS_BIT_NONEXCLUSIVE,
.label = "led-power",
},
+ .do_gpio_desc = 1
},
{ },
};
@@ -134,71 +148,75 @@ static struct gpio_pin gpio_pins_mtcap3_0_0[] = {
/* radio control (power/reset) for mtcap3 */
static int radio_off_mtcap3(void)
{
- int i = 0;
- int value = 0;
+ int i = 0;
+ int value = 0;
struct gpio_pin *pwrmon_pin = gpio_pin_by_attr_name("radio-power-monitor");
struct gpio_pin *onoff_pin = gpio_pin_by_attr_name("radio-onoff");
struct gpio_pin *power_pin = gpio_pin_by_attr_name("radio-power");
-
- if (!onoff_pin || !pwrmon_pin) {
+
+ if (!onoff_pin || !pwrmon_pin) {
return -ENODEV;
}
-
- value = gpio_get_value(pwrmon_pin->pin.gpio);
+
+ value = gpiod_get_value(pwrmon_pin->desc);
+
if(value == 0) {
log_warning("cell radio is already off");
return 0;
}
- /* The reference manual indicates that PWRKEY is equivalent to AT+QPOWD */
+ /* The reference manual indicates that PWRKEY is equivalent to AT+QPOWD */
log_info("turning off cell radio");
- // Toggle PWRKEY - logic is reversed to the module through the FET
- gpio_set_value(onoff_pin->pin.gpio, 0);
- msleep(EG95_PWRKEY_KEEPOUT_WAIT_MS);
- gpio_set_value(onoff_pin->pin.gpio, 1);
- msleep(EG95_PWRKEY_LOW_OFF_WAIT_MS);
- gpio_set_value(onoff_pin->pin.gpio, 0);
-
- // Wait for module to indicate status
- for(i=0; i<=EG95_POWER_MON_OFF_WAIT_S; i++) {
- value = gpio_get_value(pwrmon_pin->pin.gpio);
-
- if(!value) {
- break;
- }
-
- msleep(1000);
- }
-
- // disable power to the radio; We want to do this generally for
- // battery powered MTCAP based devices.
- gpio_set_value(power_pin->pin.gpio, 0);
- msleep(EG95_POWER_KEEPOUT_WAIT_MS);
-
- if(value != 0) {
- log_warning("cell radio was still on.");
- } else {
- log_info("cell radio has been turned off");
- }
+ // Toggle PWRKEY - logic is reversed to the module through the FET
+ gpiod_set_value(onoff_pin->desc, 0);
+ msleep(EG95_PWRKEY_KEEPOUT_WAIT_MS);
+ gpiod_set_value(onoff_pin->desc, 1);
+ msleep(EG95_PWRKEY_LOW_OFF_WAIT_MS);
+ gpiod_set_value(onoff_pin->desc, 0);
+
+ // Wait for module to indicate status
+ for (i=0; i<=EG95_POWER_MON_OFF_WAIT_S; i++) {
+
+ value = gpiod_get_value(pwrmon_pin->desc);
+
+ if(!value) {
+ break;
+ }
+
+ msleep(1000);
+ }
+
+ // disable power to the radio; We want to do this generally for
+ // battery powered MTCAP based devices.
+
+ gpiod_set_value(power_pin->desc, 0);
+
+ msleep(EG95_POWER_KEEPOUT_WAIT_MS);
+
+ if(value != 0) {
+ log_warning("cell radio was still on.");
+ } else {
+ log_info("cell radio has been turned off");
+ }
return 0;
}
static int radio_on_mtcap3(void)
{
- int i = 0;
- int value = 0;
+ int i = 0;
+ int value = 0;
struct gpio_pin *pwrmon_pin = gpio_pin_by_attr_name("radio-power-monitor");
struct gpio_pin *onoff_pin = gpio_pin_by_attr_name("radio-onoff");
struct gpio_pin *power_pin = gpio_pin_by_attr_name("radio-power");
-
- if (!onoff_pin || !pwrmon_pin || !power_pin) {
+
+ if (!onoff_pin || !pwrmon_pin || !power_pin) {
return -ENODEV;
}
- value = gpio_get_value(pwrmon_pin->pin.gpio);
+ value = gpiod_get_value(pwrmon_pin->desc);
if(value != 0) {
log_warning("cell radio is already on");
@@ -206,46 +224,45 @@ static int radio_on_mtcap3(void)
}
log_info("turning on cell radio");
-
- // Toggle PWRKEY - lgoic is reversed to the module through the FET
- gpio_set_value(onoff_pin->pin.gpio, 0);
- msleep(EG95_PWRKEY_KEEPOUT_WAIT_MS);
-
- // Enable power to the radio
- gpio_set_value(power_pin->pin.gpio, 1);
- msleep(EG95_POWER_KEEPOUT_WAIT_MS);
-
- gpio_set_value(onoff_pin->pin.gpio, 1);
- msleep(EG95_PWRKEY_LOW_ON_WAIT_MS);
-
- // Wait for module to inidcate status.
- // The spec says >= 10s, but MTQ code does 30; will be on the order of secs
- for(i=0; i<=EG95_POWER_MON_ON_WAIT_S; i++) {
- value = gpio_get_value(pwrmon_pin->pin.gpio);
-
- if(value) {
- break;
- }
-
- msleep(1000);
- }
-
- // Set pwrkey high (through the FET switch);
- // MTQ code does this after waiting for radio-power-monitor assert
- gpio_set_value(onoff_pin->pin.gpio, 0);
-
- if(value == 0) {
- log_warning("cell radio is still off.");
- } else {
- log_info("cell radio has been turned on");
- }
+ // Toggle PWRKEY - lgoic is reversed to the module through the FET
+ gpiod_set_value(onoff_pin->desc, 0);
+ msleep(EG95_PWRKEY_KEEPOUT_WAIT_MS);
+
+ // Enable power to the radio
+ gpiod_set_value(power_pin->desc, 1);
+ msleep(EG95_POWER_KEEPOUT_WAIT_MS);
+
+ gpiod_set_value(onoff_pin->desc, 1);
+ msleep(EG95_PWRKEY_LOW_ON_WAIT_MS);
+
+ // Wait for module to inidcate status.
+ // The spec says >= 10s, but MTQ code does 30; will be on the order of secs
+ for(i=0; i<=EG95_POWER_MON_ON_WAIT_S; i++) {
+
+ value = gpiod_get_value(pwrmon_pin->desc);
+
+ if(value) {
+ break;
+ }
+
+ msleep(1000);
+ }
+
+ // Set pwrkey high (through the FET switch);
+ // MTQ code does this after waiting for radio-power-monitor assert
+ gpiod_set_value(onoff_pin->desc, 0);
+
+ if(value == 0) {
+ log_warning("cell radio is still off.");
+ } else {
+ log_info("cell radio has been turned on");
+ }
return 0;
}
static ssize_t mts_attr_store_radio_power_mtcap3(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
+ struct device_attribute *attr, const char *buf, size_t count) {
int value;
int err;
@@ -253,14 +270,14 @@ static ssize_t mts_attr_store_radio_power_mtcap3(struct device *dev,
return -EINVAL;
}
- mutex_lock(&mts_io_mutex);
+ mutex_lock(&mts_io_mutex);
if (value == 0) {
err = radio_off_mtcap3();
} else if (value == 1) {
err = radio_on_mtcap3();
} else {
- err = -EINVAL;
- }
+ err = -EINVAL;
+ }
mutex_unlock(&mts_io_mutex);
if (err) {
@@ -272,36 +289,34 @@ static ssize_t mts_attr_store_radio_power_mtcap3(struct device *dev,
// *_radio_enable_* is here for backward compatibility
static ssize_t mts_attr_store_radio_enable_mtcap3(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- // Included for legacy compatibilty. The 'radio-power' object controls
- // power to the module, rather than 'enable.' The radio is always
- // enabled, and 'radio-power' mirrors the state of the regulator enable,
- // alleviating confusion, as well as ensuring clean shut down which
- // reduce module failures.
+ struct device_attribute *attr, const char *buf, size_t count) {
+ // Included for legacy compatibilty. The 'radio-power' object controls
+ // power to the module, rather than 'enable.' The radio is always
+ // enabled, and 'radio-power' mirrors the state of the regulator enable,
+ // alleviating confusion, as well as ensuring clean shut down which
+ // reduce module failures.
return count;
}
static ssize_t mts_attr_show_radio_enable_mtcap3(struct device *dev,
struct device_attribute *attr,
- char *buf)
-{
+ char *buf) {
return sprintf(buf, "%d\n", 1);
}
static ssize_t mts_attr_store_radio_reset_mtcap3(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
-{
- int i;
+ struct device_attribute *attr, const char *buf, size_t count) {
+ int i;
int value;
struct gpio_pin *pwrmon_pin = gpio_pin_by_attr_name("radio-power-monitor");
struct gpio_pin *reset_pin = gpio_pin_by_attr_name("radio-reset");
-
- if ( !pwrmon_pin || !reset_pin) {
+
+ if ( !pwrmon_pin || !reset_pin) {
return -ENODEV;
}
- value = gpio_get_value(pwrmon_pin->pin.gpio);
+ value = gpiod_get_value(pwrmon_pin->desc);
+
if (sscanf(buf, "%i", &value) != 1) {
return -EINVAL;
}
@@ -310,64 +325,62 @@ static ssize_t mts_attr_store_radio_reset_mtcap3(struct device *dev,
return -EINVAL;
}
- reset_radio_udev_discovery();
- mutex_lock(&mts_io_mutex);
+ reset_radio_udev_discovery();
+ mutex_lock(&mts_io_mutex);
+
+ radio_off_mtcap3();
+ radio_on_mtcap3();
- radio_off_mtcap3();
- radio_on_mtcap3();
+ value = gpiod_get_value(pwrmon_pin->desc);
+
+ // Ensure that the module status indicates that it is up
+ if(!value) {
+ // Something has gone wrong
- value = gpio_get_value(pwrmon_pin->pin.gpio);
-
- // Ensure that the module status indicates that it is up
- if(!value) {
- // Something has gone wrong
-
log_warning("cell radio not responding. Applying hard reset.");
- // The manual advises against doing this as it is disorderly
- // We do it here as a last resort.
- gpio_set_value(reset_pin->pin.gpio, 1);
- msleep(EG95_RESET_N_WAIT_MS);
- gpio_set_value(reset_pin->pin.gpio, 0);
-
- for(i=0; i<=EG95_POWER_MON_ON_WAIT_S; i++) {
- value = gpio_get_value(pwrmon_pin->pin.gpio);
-
- if(value) {
- break;
- }
-
- msleep(1000);
- }
-
- if(value == 0) {
- log_warning("Unable to reset radio.");
- } else {
- log_info("cell radio has been reset");
- }
- }
- else
- {
- log_info("cell radio has been reset");
- }
+ // The manual advises against doing this as it is disorderly
+ // We do it here as a last resort.
+ gpiod_set_value(reset_pin->desc, 1);
+ msleep(EG95_RESET_N_WAIT_MS);
+ gpiod_set_value(reset_pin->desc, 0);
+
+ for(i=0; i<=EG95_POWER_MON_ON_WAIT_S; i++) {
+
+ value = gpiod_get_value(pwrmon_pin->desc);
+
+ if(value) {
+ break;
+ }
+
+ msleep(1000);
+ }
+
+ if(value == 0) {
+ log_warning("Unable to reset radio.");
+ } else {
+ log_info("cell radio has been reset");
+ }
+ } else {
+ log_info("cell radio has been reset");
+ }
- mutex_unlock(&mts_io_mutex);
+ mutex_unlock(&mts_io_mutex);
return count;
}
static ssize_t mts_attr_show_radio_power_mtcap3(struct device *dev,
struct device_attribute *attr,
- char *buf)
-{
+ char *buf) {
int value;
struct gpio_pin *pwrmon_pin = gpio_pin_by_attr_name("radio-power-monitor");
-
- if ( !pwrmon_pin) {
+
+ if ( !pwrmon_pin) {
return -ENODEV;
}
- value = gpio_get_value(pwrmon_pin->pin.gpio);
+ value = gpiod_get_value(pwrmon_pin->desc);
return sprintf(buf, "%d\n", value);
}
@@ -425,7 +438,7 @@ static struct attribute *mtcap3_0_0_platform_attributes[] = {
&dev_attr_radio_reset_backoff_index.attr,
&dev_attr_radio_reset_backoff_seconds.attr,
- &dev_attr_radio_enable_mtcap3.attr,
+ &dev_attr_radio_enable_mtcap3.attr,
// UDEV notification of radio discovery
&dev_attr_radio_udev_discovery.attr,
@@ -434,9 +447,8 @@ static struct attribute *mtcap3_0_0_platform_attributes[] = {
};
static int
-is_radio_power_attr_mtcap3(struct attribute *attr)
-{
- return (attr == &dev_attr_radio_power_mtcap3.attr);
+is_radio_power_attr_mtcap3(struct attribute *attr) {
+ return (attr == &dev_attr_radio_power_mtcap3.attr);
}
static struct attribute_group mtcap3_0_0_platform_attribute_group = {
@@ -475,5 +487,5 @@ static struct attribute_group mtcap3_0_0_lora_attribute_group = {
};
static struct attribute *mtcap3_0_0_lora_lbt_attributes[] = {
- &dev_attr_lora_lbt_reset_mtcap3.attr,
+ &dev_attr_lora_lbt_reset_mtcap3.attr,
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-04 19:15:41 +0000