xref: /openbmc/linux/arch/mips/include/asm/gio_device.h (revision e2c75e76)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #include <linux/device.h>
3 #include <linux/mod_devicetable.h>
4 
5 struct gio_device_id {
6 	__u8 id;
7 };
8 
9 struct gio_device {
10 	struct device	dev;
11 	struct resource resource;
12 	unsigned int	irq;
13 	unsigned int	slotno;
14 
15 	const char	*name;
16 	struct gio_device_id id;
17 	unsigned	id32:1;
18 	unsigned	gio64:1;
19 };
20 #define to_gio_device(d) container_of(d, struct gio_device, dev)
21 
22 struct gio_driver {
23 	const char    *name;
24 	struct module *owner;
25 	const struct gio_device_id *id_table;
26 
27 	int  (*probe)(struct gio_device *, const struct gio_device_id *);
28 	void (*remove)(struct gio_device *);
29 	void (*shutdown)(struct gio_device *);
30 
31 	struct device_driver driver;
32 };
33 #define to_gio_driver(drv) container_of(drv, struct gio_driver, driver)
34 
35 extern const struct gio_device_id *gio_match_device(const struct gio_device_id *,
36 						    const struct gio_device *);
37 extern struct gio_device *gio_dev_get(struct gio_device *);
38 extern void gio_dev_put(struct gio_device *);
39 
40 extern int gio_device_register(struct gio_device *);
41 extern void gio_device_unregister(struct gio_device *);
42 extern void gio_release_dev(struct device *);
43 
44 static inline void gio_device_free(struct gio_device *dev)
45 {
46 	gio_release_dev(&dev->dev);
47 }
48 
49 extern int gio_register_driver(struct gio_driver *);
50 extern void gio_unregister_driver(struct gio_driver *);
51 
52 #define gio_get_drvdata(_dev)	     dev_get_drvdata(&(_dev)->dev)
53 #define gio_set_drvdata(_dev, data)  dev_set_drvdata(&(_dev)->dev, (data))
54 
55 extern void gio_set_master(struct gio_device *);
56