summaryrefslogtreecommitdiff
path: root/app/drivers/zephyr
diff options
context:
space:
mode:
Diffstat (limited to 'app/drivers/zephyr')
-rw-r--r--app/drivers/zephyr/kscan_gpio_matrix.c133
1 files changed, 45 insertions, 88 deletions
diff --git a/app/drivers/zephyr/kscan_gpio_matrix.c b/app/drivers/zephyr/kscan_gpio_matrix.c
index 46616ff..634f694 100644
--- a/app/drivers/zephyr/kscan_gpio_matrix.c
+++ b/app/drivers/zephyr/kscan_gpio_matrix.c
@@ -31,8 +31,6 @@ struct kscan_gpio_item_config {
#define _KSCAN_GPIO_ROW_CFG_INIT(idx, n) _KSCAN_GPIO_ITEM_CFG_INIT(n, row_gpios, idx)
#define _KSCAN_GPIO_COL_CFG_INIT(idx, n) _KSCAN_GPIO_ITEM_CFG_INIT(n, col_gpios, idx)
-#if !defined(ZMK_KSCAN_MATRIX_POLLING)
-/* Set up for interrupt-based input. */
static int kscan_gpio_config_interrupts(struct device **devices,
const struct kscan_gpio_item_config *configs, size_t len,
gpio_flags_t flags) {
@@ -50,61 +48,6 @@ static int kscan_gpio_config_interrupts(struct device **devices,
return 0;
}
-
-#define KSCAN_GPIO_MATRIX_ENABLE(n) \
-static int kscan_gpio_matrix_enable(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_DEBOUNCE | GPIO_INT_EDGE_BOTH); \
-} \
-
-#define KSCAN_GPIO_MATRIX_DISABLE(n) \
-static int kscan_gpio_matrix_disable(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); \
-} \
-
-#define KSCAN_GPIO_CALLBACK_HANDLER(n) \
-static void kscan_gpio_irq_callback_handler_##n(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_0(DT_INST_PROP(n, debounce_period), ({ k_work_submit(data->work); }), ({ \
- k_delayed_work_cancel(data->work); \
- k_delayed_work_submit(data->work, \
- K_MSEC(DT_INST_PROP(n, debounce_period))); \
- })) \
-} \
-
-#else /* !defined(ZMK_KSCAN_MATRIX_POLLING) */
-/* Set up for matrix scanning. */
-
-static void kscan_gpio_timer_handler(struct k_timer *timer) {
- struct kscan_gpio_data *data = CONTAINER_OF(timer, struct kscan_gpio_data, poll_timer);
-
- k_work_submit(&data->work.direct);
-}
-
-#define KSCAN_GPIO_MATRIX_ENABLE(n) \
-static int kscan_gpio_matrix_enable(struct device *dev) { \
- struct kscan_gpio_data *data = dev->driver_data; \
- k_timer_start(&data->poll_timer, K_MSEC(10), K_MSEC(10)); \
- return 0; \
-} \
-
-#define KSCAN_GPIO_MATRIX_DISABLE(n) \
-static int kscan_gpio_matrix_disable(struct device *dev) { \
- struct kscan_gpio_data *data = dev->driver_data; \
- k_timer_stop(&data->poll_timer, K_MSEC(10), K_MSEC(10)); \
- return 0; \
-} \
-
-#define KSCAN_GPIO_MATRIX_ENABLE(n) \
-
-
-#endif /* !defined(ZMK_KSCAN_MATRIX_POLLING) */
-
#define INST_MATRIX_ROWS(n) DT_INST_PROP_LEN(n, row_gpios)
#define INST_MATRIX_COLS(n) DT_INST_PROP_LEN(n, col_gpios)
#define INST_OUTPUT_LEN(n) \
@@ -115,22 +58,17 @@ static int kscan_gpio_matrix_disable(struct device *dev) {
(INST_MATRIX_ROWS(n)))
#define GPIO_INST_INIT(n) \
- COND_CODE_0( \
- ZMK_KSCAN_MATRIX_POLLING, \
- (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; \
- }; \
- static struct kscan_gpio_irq_callback_##n irq_callbacks_##n[INST_INPUT_LEN(n)]; \
- KSCAN_GPIO_ENTABLE_INTERRUPTS(n)), \
- ()) \
+ 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; \
+ }; \
+ static struct kscan_gpio_irq_callback_##n irq_callbacks_##n[INST_INPUT_LEN(n)]; \
struct kscan_gpio_config_##n { \
struct kscan_gpio_item_config rows[INST_MATRIX_ROWS(n)]; \
struct kscan_gpio_item_config cols[INST_MATRIX_COLS(n)]; \
}; \
struct kscan_gpio_data_##n { \
- COND_CODE_1(ZMK_KSCAN_MATRIX_POLLING, \
- (struct k_timer poll_timer;),(kscan_callback_t callback;)) \
+ kscan_callback_t callback; \
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)]; \
@@ -158,6 +96,16 @@ static int kscan_gpio_matrix_disable(struct device *dev) {
return ( \
COND_CODE_0(DT_ENUM_IDX(DT_DRV_INST(n), diode_direction), (cfg->rows), (cfg->cols))); \
} \
+ static int kscan_gpio_enable_interrupts_##n(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_DEBOUNCE | GPIO_INT_EDGE_BOTH); \
+ } \
+ static int kscan_gpio_disable_interrupts_##n(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) { \
for (int i = 0; i < INST_OUTPUT_LEN(n); i++) { \
struct device *in_dev = kscan_gpio_output_devices_##n(dev)[i]; \
@@ -180,7 +128,7 @@ static int kscan_gpio_matrix_disable(struct device *dev) {
/* Disable our interrupts temporarily while we scan, to avoid */ \
/* re-entry while we iterate columns and set them active one by one */ \
/* to get pressed state for each matrix cell. */ \
- COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, (kscan_gpio_disable_interrupts_##n(dev);), ()) \
+ kscan_gpio_disable_interrupts_##n(dev); \
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]; \
@@ -198,7 +146,7 @@ static int kscan_gpio_matrix_disable(struct device *dev) {
/* Set all our outputs as active again, then re-enable interrupts, */ \
/* so we can trigger interrupts again for future press/release */ \
kscan_gpio_set_output_state_##n(dev, 1); \
- COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, (kscan_gpio_enable_interrupts_##n(dev);), ()) \
+ kscan_gpio_enable_interrupts_##n(dev); \
for (int r = 0; r < INST_MATRIX_ROWS(n); r++) { \
for (int c = 0; c < INST_MATRIX_COLS(n); c++) { \
bool pressed = read_state[r][c]; \
@@ -224,7 +172,16 @@ static int kscan_gpio_matrix_disable(struct device *dev) {
struct kscan_gpio_data_##n *data = CONTAINER_OF(work, struct kscan_gpio_data_##n, work); \
kscan_gpio_read_##n(data->dev); \
} \
- COND_CODE_0(ZMK_KSCAN_MATRIX_POLLING, (KSCAN_GPIO_CALLBACK_HANDLER(n)), ()) \
+ static void kscan_gpio_irq_callback_handler_##n(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_0(DT_INST_PROP(n, debounce_period), ({ k_work_submit(data->work); }), ({ \
+ k_delayed_work_cancel(data->work); \
+ k_delayed_work_submit(data->work, \
+ K_MSEC(DT_INST_PROP(n, debounce_period))); \
+ })) \
+ } \
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) { \
@@ -235,8 +192,13 @@ static int kscan_gpio_matrix_disable(struct device *dev) {
data->callback = callback; \
return 0; \
}; \
- KSCAN_GPIO_MATRIX_ENABLE(n) \
- KSCAN_GPIO_MATRIX_DISABLE(n) \
+ static int kscan_gpio_enable_##n(struct device *dev) { \
+ int err = kscan_gpio_enable_interrupts_##n(dev); \
+ if (err) { \
+ return err; \
+ } \
+ return kscan_gpio_read_##n(dev); \
+ }; \
static int kscan_gpio_init_##n(struct device *dev) { \
struct kscan_gpio_data_##n *data = dev->driver_data; \
int err; \
@@ -253,21 +215,16 @@ static int kscan_gpio_matrix_disable(struct device *dev) {
LOG_ERR("Unable to configure pin %d on %s for input", in_cfg->pin, in_cfg->label); \
return err; \
} \
- COND_CODE_0( \
- ZMK_KSCAN_MATRIX_POLLING, \
- (irq_callbacks_##n[i].work = &data->work; \
- gpio_init_callback(&irq_callbacks_##n[i].callback, \
- kscan_gpio_irq_callback_handler_##n, BIT(in_cfg->pin)); \
- err = gpio_add_callback(input_devices[i], &irq_callbacks_##n[i].callback); \
- if (err) { \
- LOG_ERR("Error adding the callback to the column device"); \
- return err; \
- }), \
- ()) \
+ irq_callbacks_##n[i].work = &data->work; \
+ gpio_init_callback(&irq_callbacks_##n[i].callback, \
+ kscan_gpio_irq_callback_handler_##n, BIT(in_cfg->pin)); \
+ err = gpio_add_callback(input_devices[i], &irq_callbacks_##n[i].callback); \
+ if (err) { \
+ LOG_ERR("Error adding the callback to the column device"); \
+ return err; \
+ } \
} \
struct device **output_devices = kscan_gpio_output_devices_##n(dev); \
- COND_CODE_1(ZMK_KSCAN_MATRIX_POLLING, \
- (k_timer_init(&data->poll_timer, kscan_gpio_timer_handler, NULL);), ()) \
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); \
@@ -290,8 +247,8 @@ static int kscan_gpio_matrix_disable(struct device *dev) {
} \
static const struct kscan_driver_api gpio_driver_api_##n = { \
.config = kscan_gpio_configure_##n, \
- .enable_callback = kscan_gpio_matrix_enable, \
- .disable_callback = kscan_gpio_matrix_disable, \
+ .enable_callback = kscan_gpio_enable_##n, \
+ .disable_callback = kscan_gpio_disable_interrupts_##n, \
}; \
static const struct kscan_gpio_config_##n kscan_gpio_config_##n = { \
.rows = {UTIL_LISTIFY(INST_MATRIX_ROWS(n), _KSCAN_GPIO_ROW_CFG_INIT, n)}, \
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-30 19:09:25 +0000