These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / include / linux / ulpi / driver.h

diff --git a/kernel/include/linux/ulpi/driver.h b/kernel/include/linux/ulpi/driver.h
new file mode 100644 (file)
index 0000000..388f6e0
--- /dev/null
+++ b/kernel/include/linux/ulpi/driver.h
@@ -0,0 +1,60 @@
+#ifndef __LINUX_ULPI_DRIVER_H
+#define __LINUX_ULPI_DRIVER_H
+
+#include <linux/mod_devicetable.h>
+
+#include <linux/device.h>
+
+struct ulpi_ops;
+
+/**
+ * struct ulpi - describes ULPI PHY device
+ * @id: vendor and product ids for ULPI device
+ * @ops: I/O access
+ * @dev: device interface
+ */
+struct ulpi {
+       struct ulpi_device_id id;
+       struct ulpi_ops *ops;
+       struct device dev;
+};
+
+#define to_ulpi_dev(d) container_of(d, struct ulpi, dev)
+
+static inline void ulpi_set_drvdata(struct ulpi *ulpi, void *data)
+{
+       dev_set_drvdata(&ulpi->dev, data);
+}
+
+static inline void *ulpi_get_drvdata(struct ulpi *ulpi)
+{
+       return dev_get_drvdata(&ulpi->dev);
+}
+
+/**
+ * struct ulpi_driver - describes a ULPI PHY driver
+ * @id_table: array of device identifiers supported by this driver
+ * @probe: binds this driver to ULPI device
+ * @remove: unbinds this driver from ULPI device
+ * @driver: the name and owner members must be initialized by the drivers
+ */
+struct ulpi_driver {
+       const struct ulpi_device_id *id_table;
+       int (*probe)(struct ulpi *ulpi);
+       void (*remove)(struct ulpi *ulpi);
+       struct device_driver driver;
+};
+
+#define to_ulpi_driver(d) container_of(d, struct ulpi_driver, driver)
+
+int ulpi_register_driver(struct ulpi_driver *drv);
+void ulpi_unregister_driver(struct ulpi_driver *drv);
+
+#define module_ulpi_driver(__ulpi_driver) \
+       module_driver(__ulpi_driver, ulpi_register_driver, \
+                     ulpi_unregister_driver)
+
+int ulpi_read(struct ulpi *ulpi, u8 addr);
+int ulpi_write(struct ulpi *ulpi, u8 addr, u8 val);
+
+#endif /* __LINUX_ULPI_DRIVER_H */