1 /* 1
2 * Allwinner Reduced Serial Bus Driver
3 *
4 * Copyright (c) 2015 Chen-Yu Tsai
5 *
6 * Author: Chen-Yu Tsai <wens@csie.org>
7 *
8 * This file is licensed under the terms of th
9 * License version 2. This program is license
10 * warranty of any kind, whether express or im
11 */
12 #ifndef _SUNXI_RSB_H
13 #define _SUNXI_RSB_H
14
15 #include <linux/device.h>
16 #include <linux/regmap.h>
17 #include <linux/types.h>
18
19 struct sunxi_rsb;
20
21 /**
22 * struct sunxi_rsb_device - Basic representat
23 * @dev: Driver model representation of
24 * @ctrl: RSB controller managing the bu
25 * @rtaddr: This device's runtime address
26 * @hwaddr: This device's hardware address
27 */
28 struct sunxi_rsb_device {
29 struct device dev;
30 struct sunxi_rsb *rsb;
31 int irq;
32 u8 rtaddr;
33 u16 hwaddr;
34 };
35
36 static inline struct sunxi_rsb_device *to_sunx
37 {
38 return container_of(d, struct sunxi_rs
39 }
40
41 static inline void *sunxi_rsb_device_get_drvda
42 {
43 return dev_get_drvdata(&rdev->dev);
44 }
45
46 static inline void sunxi_rsb_device_set_drvdat
47
48 {
49 dev_set_drvdata(&rdev->dev, data);
50 }
51
52 /**
53 * struct sunxi_rsb_driver - RSB slave device
54 * @driver: RSB device drivers should init
55 * this structure.
56 * @probe: binds this driver to a RSB dev
57 * @remove: unbinds this driver from the R
58 */
59 struct sunxi_rsb_driver {
60 struct device_driver driver;
61 int (*probe)(struct sunxi_rsb_device *
62 void (*remove)(struct sunxi_rsb_device
63 };
64
65 static inline struct sunxi_rsb_driver *to_sunx
66 {
67 return container_of(d, struct sunxi_rs
68 }
69
70 int sunxi_rsb_driver_register(struct sunxi_rsb
71
72 /**
73 * sunxi_rsb_driver_unregister() - unregister
74 * @rdrv: the driver to unregister
75 */
76 static inline void sunxi_rsb_driver_unregister
77 {
78 if (rdrv)
79 driver_unregister(&rdrv->drive
80 }
81
82 #define module_sunxi_rsb_driver(__sunxi_rsb_dr
83 module_driver(__sunxi_rsb_driver, sunx
84 sunxi_rsb_driver_unreg
85
86 struct regmap *__devm_regmap_init_sunxi_rsb(st
87 co
88 st
89 co
90
91 /**
92 * devm_regmap_init_sunxi_rsb(): Initialise ma
93 *
94 * @rdev: Device that will be interacted with
95 * @config: Configuration for register map
96 *
97 * The return value will be an ERR_PTR() on er
98 * to a struct regmap. The regmap will be aut
99 * device management code.
100 */
101 #define devm_regmap_init_sunxi_rsb(rdev, confi
102 __regmap_lockdep_wrapper(__devm_regmap
103 rdev, config)
104
105 #endif /* _SUNXI_RSB_H */
106
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