| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #ifndef __LINUX_ULPI_DRIVER_H |
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| 3 | #define __LINUX_ULPI_DRIVER_H |
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| 4 | |
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| 5 | #include <linux/mod_devicetable.h> |
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| 6 | |
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| 7 | #include <linux/device.h> |
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| 8 | |
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| 9 | struct ulpi_ops; |
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| 10 | |
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| 11 | /** |
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| 12 | * struct ulpi - describes ULPI PHY device |
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| 13 | * @id: vendor and product ids for ULPI device |
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| 14 | * @ops: I/O access |
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| 15 | * @dev: device interface |
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| 16 | */ |
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| 17 | struct ulpi { |
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| 18 | struct device dev; |
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| 19 | struct ulpi_device_id id; |
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| 20 | const struct ulpi_ops *ops; |
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| 21 | }; |
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| 22 | |
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| 23 | #define to_ulpi_dev(d) container_of(d, struct ulpi, dev) |
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| 24 | |
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| 25 | static inline void ulpi_set_drvdata(struct ulpi *ulpi, void *data) |
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| 26 | { |
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| 27 | dev_set_drvdata(dev: &ulpi->dev, data); |
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| 28 | } |
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| 29 | |
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| 30 | static inline void *ulpi_get_drvdata(struct ulpi *ulpi) |
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| 31 | { |
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| 32 | return dev_get_drvdata(dev: &ulpi->dev); |
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| 33 | } |
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| 34 | |
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| 35 | /** |
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| 36 | * struct ulpi_driver - describes a ULPI PHY driver |
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| 37 | * @id_table: array of device identifiers supported by this driver |
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| 38 | * @probe: binds this driver to ULPI device |
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| 39 | * @remove: unbinds this driver from ULPI device |
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| 40 | * @driver: the name and owner members must be initialized by the drivers |
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| 41 | */ |
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| 42 | struct ulpi_driver { |
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| 43 | const struct ulpi_device_id *id_table; |
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| 44 | int (*probe)(struct ulpi *ulpi); |
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| 45 | void (*remove)(struct ulpi *ulpi); |
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| 46 | struct device_driver driver; |
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| 47 | }; |
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| 48 | |
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| 49 | #define to_ulpi_driver(d) container_of(d, struct ulpi_driver, driver) |
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| 50 | |
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| 51 | /* |
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| 52 | * use a macro to avoid include chaining to get THIS_MODULE |
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| 53 | */ |
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| 54 | #define ulpi_register_driver(drv) __ulpi_register_driver(drv, THIS_MODULE) |
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| 55 | int __ulpi_register_driver(struct ulpi_driver *drv, struct module *module); |
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| 56 | void ulpi_unregister_driver(struct ulpi_driver *drv); |
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| 57 | |
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| 58 | #define module_ulpi_driver(__ulpi_driver) \ |
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| 59 | module_driver(__ulpi_driver, ulpi_register_driver, \ |
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| 60 | ulpi_unregister_driver) |
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| 61 | |
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| 62 | int ulpi_read(struct ulpi *ulpi, u8 addr); |
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| 63 | int ulpi_write(struct ulpi *ulpi, u8 addr, u8 val); |
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| 64 | |
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| 65 | #endif /* __LINUX_ULPI_DRIVER_H */ |
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| 66 | |
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