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-rw-r--r--include/serdev.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/include/serdev.h b/include/serdev.h
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--- /dev/null
+++ b/include/serdev.h
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+#ifndef _SERDEV_H_
+#define _SERDEV_H_
+
+#include <driver.h>
+#include <poller.h>
+#include <kfifo.h>
+
+/**
+ * struct serdev_device - Basic representation of an serdev device
+ *
+ * @dev: Corresponding device
+ * @fifo: Circular buffer used for console draining
+ * @buf: Buffer used to pass Rx data to consumers
+ * @poller Async poller used to poll this serdev
+ * @polling_interval: Async poller periodicity
+ * @polling_window: Duration of a single busy loop poll
+ * @receive_buf: Function called with data received from device;
+ * returns number of bytes accepted;
+ */
+struct serdev_device {
+ struct device_d *dev;
+ struct kfifo *fifo;
+ unsigned char *buf;
+ struct poller_async poller;
+ uint64_t polling_interval;
+ uint64_t polling_window;
+
+ int (*receive_buf)(struct serdev_device *, const unsigned char *,
+ size_t);
+};
+
+int serdev_device_open(struct serdev_device *);
+unsigned int serdev_device_set_baudrate(struct serdev_device *, unsigned int);
+int serdev_device_write(struct serdev_device *, const unsigned char *,
+ size_t, unsigned long);
+#endif