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path: root/app/drivers/kscan/kscan_gpio_matrix.c
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Diffstat (limited to 'app/drivers/kscan/kscan_gpio_matrix.c')
-rw-r--r--app/drivers/kscan/kscan_gpio_matrix.c51
1 files changed, 26 insertions, 25 deletions
diff --git a/app/drivers/kscan/kscan_gpio_matrix.c b/app/drivers/kscan/kscan_gpio_matrix.c
index 8412043..6697cf6 100644
--- a/app/drivers/kscan/kscan_gpio_matrix.c
+++ b/app/drivers/kscan/kscan_gpio_matrix.c
@@ -32,11 +32,11 @@ struct kscan_gpio_item_config {
#define _KSCAN_GPIO_COL_CFG_INIT(idx, n) _KSCAN_GPIO_ITEM_CFG_INIT(n, col_gpios, idx)
#if !defined(CONFIG_ZMK_KSCAN_MATRIX_POLLING)
-static int kscan_gpio_config_interrupts(struct device **devices,
+static int kscan_gpio_config_interrupts(const struct device **devices,
const struct kscan_gpio_item_config *configs, size_t len,
gpio_flags_t flags) {
for (int i = 0; i < len; i++) {
- struct device *dev = devices[i];
+ const struct device *dev = devices[i];
const struct kscan_gpio_item_config *cfg = &configs[i];
int err = gpio_pin_interrupt_configure(dev, cfg->pin, flags);
@@ -64,7 +64,7 @@ static int kscan_gpio_config_interrupts(struct device **devices,
struct kscan_gpio_irq_callback_##n { \
struct COND_CODE_0(DT_INST_PROP(n, debounce_period), (k_work), (k_delayed_work)) * work; \
struct gpio_callback callback; \
- struct device *dev; \
+ const struct device *dev; \
}; \
static struct kscan_gpio_irq_callback_##n irq_callbacks_##n[INST_INPUT_LEN(n)]; \
struct kscan_gpio_config_##n { \
@@ -76,46 +76,47 @@ static int kscan_gpio_config_interrupts(struct device **devices,
COND_CODE_1(CONFIG_ZMK_KSCAN_MATRIX_POLLING, (struct k_timer poll_timer;), ()) \
struct COND_CODE_0(DT_INST_PROP(n, debounce_period), (k_work), (k_delayed_work)) work; \
bool matrix_state[INST_MATRIX_ROWS(n)][INST_MATRIX_COLS(n)]; \
- struct device *rows[INST_MATRIX_ROWS(n)]; \
- struct device *cols[INST_MATRIX_COLS(n)]; \
- struct device *dev; \
+ const struct device *rows[INST_MATRIX_ROWS(n)]; \
+ const struct device *cols[INST_MATRIX_COLS(n)]; \
+ const struct device *dev; \
}; \
- static struct device **kscan_gpio_input_devices_##n(struct device *dev) { \
+ static const struct device **kscan_gpio_input_devices_##n(const struct device *dev) { \
struct kscan_gpio_data_##n *data = dev->data; \
return (COND_CODE_0(DT_ENUM_IDX(DT_DRV_INST(n), diode_direction), (data->cols), \
(data->rows))); \
} \
- static const struct kscan_gpio_item_config *kscan_gpio_input_configs_##n(struct device *dev) { \
+ static const struct kscan_gpio_item_config *kscan_gpio_input_configs_##n( \
+ const struct device *dev) { \
const struct kscan_gpio_config_##n *cfg = dev->config; \
return (( \
COND_CODE_0(DT_ENUM_IDX(DT_DRV_INST(n), diode_direction), (cfg->cols), (cfg->rows)))); \
} \
- static struct device **kscan_gpio_output_devices_##n(struct device *dev) { \
+ static const struct device **kscan_gpio_output_devices_##n(const struct device *dev) { \
struct kscan_gpio_data_##n *data = dev->data; \
return (COND_CODE_0(DT_ENUM_IDX(DT_DRV_INST(n), diode_direction), (data->rows), \
(data->cols))); \
} \
static const struct kscan_gpio_item_config *kscan_gpio_output_configs_##n( \
- struct device *dev) { \
+ const struct device *dev) { \
const struct kscan_gpio_config_##n *cfg = dev->config; \
return ( \
COND_CODE_0(DT_ENUM_IDX(DT_DRV_INST(n), diode_direction), (cfg->rows), (cfg->cols))); \
} \
COND_CODE_1(CONFIG_ZMK_KSCAN_MATRIX_POLLING, (), \
( \
- static int kscan_gpio_enable_interrupts_##n(struct device *dev) { \
+ static int kscan_gpio_enable_interrupts_##n(const struct device *dev) { \
return kscan_gpio_config_interrupts( \
kscan_gpio_input_devices_##n(dev), kscan_gpio_input_configs_##n(dev), \
INST_INPUT_LEN(n), GPIO_INT_LEVEL_ACTIVE); \
- } static int kscan_gpio_disable_interrupts_##n(struct device *dev) { \
+ } static int kscan_gpio_disable_interrupts_##n(const struct device *dev) { \
return kscan_gpio_config_interrupts(kscan_gpio_input_devices_##n(dev), \
kscan_gpio_input_configs_##n(dev), \
INST_INPUT_LEN(n), GPIO_INT_DISABLE); \
})) \
- static void kscan_gpio_set_output_state_##n(struct device *dev, int value) { \
+ static void kscan_gpio_set_output_state_##n(const struct device *dev, int value) { \
int err; \
for (int i = 0; i < INST_OUTPUT_LEN(n); i++) { \
- struct device *in_dev = kscan_gpio_output_devices_##n(dev)[i]; \
+ const struct device *in_dev = kscan_gpio_output_devices_##n(dev)[i]; \
const struct kscan_gpio_item_config *cfg = &kscan_gpio_output_configs_##n(dev)[i]; \
if ((err = gpio_pin_set(in_dev, cfg->pin, value))) { \
LOG_DBG("FAILED TO SET OUTPUT %d to %d", cfg->pin, err); \
@@ -130,7 +131,7 @@ static int kscan_gpio_config_interrupts(struct device **devices,
[COND_CODE_0(DT_ENUM_IDX(DT_DRV_INST(n), diode_direction), (input_index), \
(output_index))] = value; \
} \
- static int kscan_gpio_read_##n(struct device *dev) { \
+ static int kscan_gpio_read_##n(const struct device *dev) { \
bool submit_follow_up_read = false; \
struct kscan_gpio_data_##n *data = dev->data; \
static bool read_state[INST_MATRIX_ROWS(n)][INST_MATRIX_COLS(n)]; \
@@ -139,11 +140,11 @@ static int kscan_gpio_config_interrupts(struct device **devices,
/* to get pressed state for each matrix cell. */ \
kscan_gpio_set_output_state_##n(dev, 0); \
for (int o = 0; o < INST_OUTPUT_LEN(n); o++) { \
- struct device *out_dev = kscan_gpio_output_devices_##n(dev)[o]; \
+ const struct device *out_dev = kscan_gpio_output_devices_##n(dev)[o]; \
const struct kscan_gpio_item_config *out_cfg = &kscan_gpio_output_configs_##n(dev)[o]; \
gpio_pin_set(out_dev, out_cfg->pin, 1); \
for (int i = 0; i < INST_INPUT_LEN(n); i++) { \
- struct device *in_dev = kscan_gpio_input_devices_##n(dev)[i]; \
+ const struct device *in_dev = kscan_gpio_input_devices_##n(dev)[i]; \
const struct kscan_gpio_item_config *in_cfg = \
&kscan_gpio_input_configs_##n(dev)[i]; \
kscan_gpio_set_matrix_state_##n(read_state, i, o, \
@@ -181,8 +182,8 @@ static int kscan_gpio_config_interrupts(struct device **devices,
struct kscan_gpio_data_##n *data = CONTAINER_OF(work, struct kscan_gpio_data_##n, work); \
kscan_gpio_read_##n(data->dev); \
} \
- static void kscan_gpio_irq_callback_handler_##n(struct device *dev, struct gpio_callback *cb, \
- gpio_port_pins_t pin) { \
+ static void kscan_gpio_irq_callback_handler_##n( \
+ const struct device *dev, struct gpio_callback *cb, gpio_port_pins_t pin) { \
struct kscan_gpio_irq_callback_##n *data = \
CONTAINER_OF(cb, struct kscan_gpio_irq_callback_##n, callback); \
COND_CODE_1(CONFIG_ZMK_KSCAN_MATRIX_POLLING, (), \
@@ -196,7 +197,7 @@ static int kscan_gpio_config_interrupts(struct device **devices,
\
static struct kscan_gpio_data_##n kscan_gpio_data_##n = { \
.rows = {[INST_MATRIX_ROWS(n) - 1] = NULL}, .cols = {[INST_MATRIX_COLS(n) - 1] = NULL}}; \
- static int kscan_gpio_configure_##n(struct device *dev, kscan_callback_t callback) { \
+ static int kscan_gpio_configure_##n(const struct device *dev, kscan_callback_t callback) { \
struct kscan_gpio_data_##n *data = dev->data; \
if (!callback) { \
return -EINVAL; \
@@ -205,14 +206,14 @@ static int kscan_gpio_config_interrupts(struct device **devices,
LOG_DBG("Configured GPIO %d", n); \
return 0; \
}; \
- static int kscan_gpio_enable_##n(struct device *dev) { \
+ static int kscan_gpio_enable_##n(const struct device *dev) { \
COND_CODE_1(CONFIG_ZMK_KSCAN_MATRIX_POLLING, \
(struct kscan_gpio_data_##n *data = dev->data; \
k_timer_start(&data->poll_timer, K_MSEC(10), K_MSEC(10)); return 0;), \
(int err = kscan_gpio_enable_interrupts_##n(dev); \
if (err) { return err; } return kscan_gpio_read_##n(dev);)) \
}; \
- static int kscan_gpio_disable_##n(struct device *dev) { \
+ static int kscan_gpio_disable_##n(const struct device *dev) { \
COND_CODE_1(CONFIG_ZMK_KSCAN_MATRIX_POLLING, \
(struct kscan_gpio_data_##n *data = dev->data; \
k_timer_stop(&data->poll_timer); return 0;), \
@@ -225,10 +226,10 @@ static int kscan_gpio_config_interrupts(struct device **devices,
k_work_submit(&data->work.work); \
}), \
()) \
- static int kscan_gpio_init_##n(struct device *dev) { \
+ static int kscan_gpio_init_##n(const struct device *dev) { \
struct kscan_gpio_data_##n *data = dev->data; \
int err; \
- struct device **input_devices = kscan_gpio_input_devices_##n(dev); \
+ const struct device **input_devices = kscan_gpio_input_devices_##n(dev); \
for (int i = 0; i < INST_INPUT_LEN(n); i++) { \
const struct kscan_gpio_item_config *in_cfg = &kscan_gpio_input_configs_##n(dev)[i]; \
input_devices[i] = device_get_binding(in_cfg->label); \
@@ -253,7 +254,7 @@ static int kscan_gpio_config_interrupts(struct device **devices,
return err; \
} \
} \
- struct device **output_devices = kscan_gpio_output_devices_##n(dev); \
+ const struct device **output_devices = kscan_gpio_output_devices_##n(dev); \
for (int o = 0; o < INST_OUTPUT_LEN(n); o++) { \
const struct kscan_gpio_item_config *out_cfg = &kscan_gpio_output_configs_##n(dev)[o]; \
output_devices[o] = device_get_binding(out_cfg->label); \
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-30 12:43:56 +0000