Blame view

kernel/linux-rt-4.4.41/include/linux/ulpi/driver.h 1.5 KB
5113f6f70   김현기   kernel add
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
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 */