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65 lines
1.7 KiB
65 lines
1.7 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __LINUX_ULPI_DRIVER_H |
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#define __LINUX_ULPI_DRIVER_H |
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#include <linux/mod_devicetable.h> |
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#include <linux/device.h> |
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struct ulpi_ops; |
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/** |
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* struct ulpi - describes ULPI PHY device |
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* @id: vendor and product ids for ULPI device |
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* @ops: I/O access |
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* @dev: device interface |
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*/ |
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struct ulpi { |
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struct ulpi_device_id id; |
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const struct ulpi_ops *ops; |
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struct device dev; |
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}; |
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#define to_ulpi_dev(d) container_of(d, struct ulpi, dev) |
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static inline void ulpi_set_drvdata(struct ulpi *ulpi, void *data) |
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{ |
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dev_set_drvdata(&ulpi->dev, data); |
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} |
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static inline void *ulpi_get_drvdata(struct ulpi *ulpi) |
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{ |
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return dev_get_drvdata(&ulpi->dev); |
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} |
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/** |
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* struct ulpi_driver - describes a ULPI PHY driver |
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* @id_table: array of device identifiers supported by this driver |
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* @probe: binds this driver to ULPI device |
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* @remove: unbinds this driver from ULPI device |
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* @driver: the name and owner members must be initialized by the drivers |
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*/ |
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struct ulpi_driver { |
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const struct ulpi_device_id *id_table; |
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int (*probe)(struct ulpi *ulpi); |
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void (*remove)(struct ulpi *ulpi); |
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struct device_driver driver; |
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}; |
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#define to_ulpi_driver(d) container_of(d, struct ulpi_driver, driver) |
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/* |
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* use a macro to avoid include chaining to get THIS_MODULE |
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*/ |
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#define ulpi_register_driver(drv) __ulpi_register_driver(drv, THIS_MODULE) |
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int __ulpi_register_driver(struct ulpi_driver *drv, struct module *module); |
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void ulpi_unregister_driver(struct ulpi_driver *drv); |
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#define module_ulpi_driver(__ulpi_driver) \ |
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module_driver(__ulpi_driver, ulpi_register_driver, \ |
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ulpi_unregister_driver) |
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int ulpi_read(struct ulpi *ulpi, u8 addr); |
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int ulpi_write(struct ulpi *ulpi, u8 addr, u8 val); |
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#endif /* __LINUX_ULPI_DRIVER_H */
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