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drivers: gpio_nrfx: Update for handling local layer in core

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Remove handling for GPIO_INT_LEVELS_LOGICAL in driver now that we do
that in gpio_pin_interrupt_configure and gpio_pin_configure.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
This commit is contained in:
Kumar Gala 2019-09-18 08:38:58 -05:00 • committed by Carles Cufí
commit 3231b22767
1 changed files with 13 additions and 34 deletions
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47
drivers/gpio/gpio_nrfx.c
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@ -11,7 +11,8 @@
#include "gpio_utils.h"
struct gpio_nrfx_data {
struct gpio_driver_data general;
/* gpio_driver_data needs to be first */
struct gpio_driver_data common;
sys_slist_t callbacks;
/* Mask holding information about which pins have been configured to
@ -34,9 +35,6 @@ struct gpio_nrfx_cfg {
u8_t port_num;
};
static int gpio_nrfx_pin_interrupt_configure(struct device *port, u32_t pin,
unsigned int flags);
static inline struct gpio_nrfx_data *get_port_data(struct device *port)
{
return port->driver_data;
@ -131,7 +129,6 @@ static int gpio_nrfx_config(struct device *port, int access_op,
u32_t pin, int flags)
{
NRF_GPIO_Type *reg = get_port_cfg(port)->port;
struct gpio_nrfx_data *data = get_port_data(port);
nrf_gpio_pin_pull_t pull;
nrf_gpio_pin_drive_t drive;
nrf_gpio_pin_dir_t dir;
@ -197,8 +194,6 @@ static int gpio_nrfx_config(struct device *port, int access_op,
}
for (u8_t curr_pin = from_pin; curr_pin <= to_pin; ++curr_pin) {
int res;
if ((flags & GPIO_OUTPUT) != 0) {
if ((flags & GPIO_OUTPUT_INIT_HIGH) != 0) {
nrf_gpio_port_out_set(reg, BIT(curr_pin));
@ -210,14 +205,6 @@ static int gpio_nrfx_config(struct device *port, int access_op,
nrf_gpio_cfg(NRF_GPIO_PIN_MAP(get_port_cfg(port)->port_num,
curr_pin),
dir, input, pull, drive, NRF_GPIO_PIN_NOSENSE);
WRITE_BIT(data->general.invert, curr_pin,
flags & GPIO_ACTIVE_LOW);
res = gpio_nrfx_pin_interrupt_configure(port, curr_pin, flags);
if (res != 0) {
return res;
}
}
return 0;
@ -230,9 +217,9 @@ static int gpio_nrfx_write(struct device *port, int access_op,
struct gpio_nrfx_data *data = get_port_data(port);
if (access_op == GPIO_ACCESS_BY_PORT) {
nrf_gpio_port_out_write(reg, value ^ data->general.invert);
nrf_gpio_port_out_write(reg, value ^ data->common.invert);
} else {
if ((value > 0) ^ ((BIT(pin) & data->general.invert) != 0)) {
if ((value > 0) ^ ((BIT(pin) & data->common.invert) != 0)) {
nrf_gpio_port_out_set(reg, BIT(pin));
} else {
nrf_gpio_port_out_clear(reg, BIT(pin));
@ -251,7 +238,7 @@ static int gpio_nrfx_read(struct device *port, int access_op,
u32_t dir = nrf_gpio_port_dir_read(reg);
u32_t port_in = nrf_gpio_port_in_read(reg) & ~dir;
u32_t port_out = nrf_gpio_port_out_read(reg) & dir;
u32_t port_val = (port_in | port_out) ^ data->general.invert;
u32_t port_val = (port_in | port_out) ^ data->common.invert;
if (access_op == GPIO_ACCESS_BY_PORT) {
*value = port_val;
@ -313,13 +300,13 @@ static int gpio_nrfx_port_toggle_bits(struct device *port, u32_t mask)
}
static int gpio_nrfx_pin_interrupt_configure(struct device *port,
unsigned int pin, unsigned int flags)
unsigned int pin, enum gpio_int_mode mode,
enum gpio_int_trig trig)
{
struct gpio_nrfx_data *data = get_port_data(port);
u32_t abs_pin = NRF_GPIO_PIN_MAP(get_port_cfg(port)->port_num, pin);
if (((flags & GPIO_INT_ENABLE) != 0) &&
((flags & GPIO_INT_EDGE) != 0) &&
if ((mode == GPIO_INT_MODE_EDGE) &&
(nrf_gpio_pin_dir_get(abs_pin) == NRF_GPIO_PIN_DIR_OUTPUT)) {
/*
* The pin's output value as specified in the GPIO will be
@ -330,19 +317,11 @@ static int gpio_nrfx_pin_interrupt_configure(struct device *port,
return -ENOTSUP;
}
WRITE_BIT(data->pin_int_en, pin, flags & GPIO_INT_ENABLE);
WRITE_BIT(data->int_en, pin, true);
WRITE_BIT(data->trig_edge, pin, flags & GPIO_INT_EDGE);
WRITE_BIT(data->double_edge, pin, (flags & GPIO_INT_LOW_0) &&
(flags & GPIO_INT_HIGH_1));
bool active_high = ((flags & GPIO_INT_HIGH_1) != 0);
if (((flags & GPIO_INT_LEVELS_LOGICAL) != 0) &&
((data->general.invert & BIT(pin)) != 0)) {
active_high = !active_high;
}
WRITE_BIT(data->int_active_level, pin, active_high);
WRITE_BIT(data->pin_int_en, pin, mode != GPIO_INT_MODE_DISABLED);
WRITE_BIT(data->int_en, pin, mode != GPIO_INT_MODE_DISABLED);
WRITE_BIT(data->trig_edge, pin, mode == GPIO_INT_MODE_EDGE);
WRITE_BIT(data->double_edge, pin, trig == GPIO_INT_TRIG_BOTH);
WRITE_BIT(data->int_active_level, pin, trig == GPIO_INT_TRIG_HIGH);
return gpiote_pin_int_cfg(port, pin);
}