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/* SPDX-License-Identifier: GPL-2.0 */
#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;
const 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)
/*
* use a macro to avoid include chaining to get THIS_MODULE
*/
#define ulpi_register_driver(drv) __ulpi_register_driver(drv, THIS_MODULE)
int __ulpi_register_driver(struct ulpi_driver *drv, struct module *module);
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 */
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