refactor: Align drivers with Zephyr file system conventions

PR: #400

1 files changed, 148 insertions, 0 deletions

diff --git a/app/drivers/sensor/ec11/ec11_trigger.c b/app/drivers/sensor/ec11/ec11_trigger.c
new file mode 100644
index 0000000..248ac32
--- /dev/null
+++ b/app/drivers/sensor/ec11/ec11_trigger.c
@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 2020 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#define DT_DRV_COMPAT alps_ec11
+
+#include <device.h>
+#include <drivers/gpio.h>
+#include <sys/util.h>
+#include <kernel.h>
+#include <drivers/sensor.h>
+
+#include "ec11.h"
+
+extern struct ec11_data ec11_driver;
+
+#include <logging/log.h>
+LOG_MODULE_DECLARE(EC11, CONFIG_SENSOR_LOG_LEVEL);
+
+static inline void setup_int(struct device *dev, bool enable) {
+    struct ec11_data *data = dev->driver_data;
+    const struct ec11_config *cfg = dev->config_info;
+
+    LOG_DBG("enabled %s", (enable ? "true" : "false"));
+
+    if (gpio_pin_interrupt_configure(data->a, cfg->a_pin,
+                                     enable ? GPIO_INT_EDGE_BOTH : GPIO_INT_DISABLE)) {
+        LOG_WRN("Unable to set A pin GPIO interrupt");
+    }
+
+    if (gpio_pin_interrupt_configure(data->b, cfg->b_pin,
+                                     enable ? GPIO_INT_EDGE_BOTH : GPIO_INT_DISABLE)) {
+        LOG_WRN("Unable to set A pin GPIO interrupt");
+    }
+}
+
+static void ec11_a_gpio_callback(struct device *dev, struct gpio_callback *cb, u32_t pins) {
+    struct ec11_data *drv_data = CONTAINER_OF(cb, struct ec11_data, a_gpio_cb);
+
+    LOG_DBG("");
+
+    setup_int(drv_data->dev, false);
+
+#if defined(CONFIG_EC11_TRIGGER_OWN_THREAD)
+    k_sem_give(&drv_data->gpio_sem);
+#elif defined(CONFIG_EC11_TRIGGER_GLOBAL_THREAD)
+    k_work_submit(&drv_data->work);
+#endif
+}
+
+static void ec11_b_gpio_callback(struct device *dev, struct gpio_callback *cb, u32_t pins) {
+    struct ec11_data *drv_data = CONTAINER_OF(cb, struct ec11_data, b_gpio_cb);
+
+    LOG_DBG("");
+
+    setup_int(drv_data->dev, false);
+
+#if defined(CONFIG_EC11_TRIGGER_OWN_THREAD)
+    k_sem_give(&drv_data->gpio_sem);
+#elif defined(CONFIG_EC11_TRIGGER_GLOBAL_THREAD)
+    k_work_submit(&drv_data->work);
+#endif
+}
+
+static void ec11_thread_cb(void *arg) {
+    struct device *dev = arg;
+    struct ec11_data *drv_data = dev->driver_data;
+
+    drv_data->handler(dev, drv_data->trigger);
+
+    setup_int(dev, true);
+}
+
+#ifdef CONFIG_EC11_TRIGGER_OWN_THREAD
+static void ec11_thread(int dev_ptr, int unused) {
+    struct device *dev = INT_TO_POINTER(dev_ptr);
+    struct ec11_data *drv_data = dev->driver_data;
+
+    ARG_UNUSED(unused);
+
+    while (1) {
+        k_sem_take(&drv_data->gpio_sem, K_FOREVER);
+        ec11_thread_cb(dev);
+    }
+}
+#endif
+
+#ifdef CONFIG_EC11_TRIGGER_GLOBAL_THREAD
+static void ec11_work_cb(struct k_work *work) {
+    struct ec11_data *drv_data = CONTAINER_OF(work, struct ec11_data, work);
+
+    LOG_DBG("");
+
+    ec11_thread_cb(drv_data->dev);
+}
+#endif
+
+int ec11_trigger_set(struct device *dev, const struct sensor_trigger *trig,
+                     sensor_trigger_handler_t handler) {
+    struct ec11_data *drv_data = dev->driver_data;
+
+    setup_int(dev, false);
+
+    k_msleep(5);
+
+    drv_data->trigger = trig;
+    drv_data->handler = handler;
+
+    setup_int(dev, true);
+
+    return 0;
+}
+
+int ec11_init_interrupt(struct device *dev) {
+    struct ec11_data *drv_data = dev->driver_data;
+    const struct ec11_config *drv_cfg = dev->config_info;
+
+    drv_data->dev = dev;
+    /* setup gpio interrupt */
+
+    gpio_init_callback(&drv_data->a_gpio_cb, ec11_a_gpio_callback, BIT(drv_cfg->a_pin));
+
+    if (gpio_add_callback(drv_data->a, &drv_data->a_gpio_cb) < 0) {
+        LOG_DBG("Failed to set A callback!");
+        return -EIO;
+    }
+
+    gpio_init_callback(&drv_data->b_gpio_cb, ec11_b_gpio_callback, BIT(drv_cfg->b_pin));
+
+    if (gpio_add_callback(drv_data->b, &drv_data->b_gpio_cb) < 0) {
+        LOG_DBG("Failed to set B callback!");
+        return -EIO;
+    }
+
+#if defined(CONFIG_EC11_TRIGGER_OWN_THREAD)
+    k_sem_init(&drv_data->gpio_sem, 0, UINT_MAX);
+
+    k_thread_create(&drv_data->thread, drv_data->thread_stack, CONFIG_EC11_THREAD_STACK_SIZE,
+                    (k_thread_entry_t)ec11_thread, dev, 0, NULL,
+                    K_PRIO_COOP(CONFIG_EC11_THREAD_PRIORITY), 0, K_NO_WAIT);
+#elif defined(CONFIG_EC11_TRIGGER_GLOBAL_THREAD)
+    k_work_init(&drv_data->work, ec11_work_cb);
+#endif
+
+    return 0;
+}