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Diffstat (limited to 'drivers/gnss/serial.h')
-rw-r--r--drivers/gnss/serial.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/gnss/serial.h b/drivers/gnss/serial.h
new file mode 100644
index 000000000000..980ffdc86c2a
--- /dev/null
+++ b/drivers/gnss/serial.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Generic serial GNSS receiver driver
+ *
+ * Copyright (C) 2018 Johan Hovold <johan@kernel.org>
+ */
+
+#ifndef _LINUX_GNSS_SERIAL_H
+#define _LINUX_GNSS_SERIAL_H
+
+#include <asm/termbits.h>
+#include <linux/pm.h>
+
+struct gnss_serial {
+ struct serdev_device *serdev;
+ struct gnss_device *gdev;
+ speed_t speed;
+ const struct gnss_serial_ops *ops;
+ unsigned long drvdata[0];
+};
+
+enum gnss_serial_pm_state {
+ GNSS_SERIAL_OFF,
+ GNSS_SERIAL_ACTIVE,
+ GNSS_SERIAL_STANDBY,
+};
+
+struct gnss_serial_ops {
+ int (*set_power)(struct gnss_serial *gserial,
+ enum gnss_serial_pm_state state);
+};
+
+extern const struct dev_pm_ops gnss_serial_pm_ops;
+
+struct gnss_serial *gnss_serial_allocate(struct serdev_device *gserial,
+ size_t data_size);
+void gnss_serial_free(struct gnss_serial *gserial);
+
+int gnss_serial_register(struct gnss_serial *gserial);
+void gnss_serial_deregister(struct gnss_serial *gserial);
+
+static inline void *gnss_serial_get_drvdata(struct gnss_serial *gserial)
+{
+ return gserial->drvdata;
+}
+
+#endif /* _LINUX_GNSS_SERIAL_H */