1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright (C) 2006, 2007 Eugene Konev <ejka@openwrt.org>
4 */
5
6#ifndef __VLYNQ_H__
7#define __VLYNQ_H__
8
9#include <linux/device.h>
10#include <linux/types.h>
11
12struct module;
13
14#define VLYNQ_NUM_IRQS 32
15
16struct vlynq_mapping {
17 u32 size;
18 u32 offset;
19};
20
21enum vlynq_divisor {
22 vlynq_div_auto = 0,
23 vlynq_ldiv1,
24 vlynq_ldiv2,
25 vlynq_ldiv3,
26 vlynq_ldiv4,
27 vlynq_ldiv5,
28 vlynq_ldiv6,
29 vlynq_ldiv7,
30 vlynq_ldiv8,
31 vlynq_rdiv1,
32 vlynq_rdiv2,
33 vlynq_rdiv3,
34 vlynq_rdiv4,
35 vlynq_rdiv5,
36 vlynq_rdiv6,
37 vlynq_rdiv7,
38 vlynq_rdiv8,
39 vlynq_div_external
40};
41
42struct vlynq_device_id {
43 u32 id;
44 enum vlynq_divisor divisor;
45 unsigned long driver_data;
46};
47
48struct vlynq_regs;
49struct vlynq_device {
50 u32 id, dev_id;
51 int local_irq;
52 int remote_irq;
53 enum vlynq_divisor divisor;
54 u32 regs_start, regs_end;
55 u32 mem_start, mem_end;
56 u32 irq_start, irq_end;
57 int irq;
58 int enabled;
59 struct vlynq_regs *local;
60 struct vlynq_regs *remote;
61 struct device dev;
62};
63
64struct vlynq_driver {
65 char *name;
66 struct vlynq_device_id *id_table;
67 int (*probe)(struct vlynq_device *dev, struct vlynq_device_id *id);
68 void (*remove)(struct vlynq_device *dev);
69 struct device_driver driver;
70};
71
72struct plat_vlynq_ops {
73 int (*on)(struct vlynq_device *dev);
74 void (*off)(struct vlynq_device *dev);
75};
76
77static inline struct vlynq_driver *to_vlynq_driver(struct device_driver *drv)
78{
79 return container_of(drv, struct vlynq_driver, driver);
80}
81
82static inline struct vlynq_device *to_vlynq_device(struct device *device)
83{
84 return container_of(device, struct vlynq_device, dev);
85}
86
87extern struct bus_type vlynq_bus_type;
88
89extern int __vlynq_register_driver(struct vlynq_driver *driver,
90 struct module *owner);
91
92static inline int vlynq_register_driver(struct vlynq_driver *driver)
93{
94 return __vlynq_register_driver(driver, THIS_MODULE);
95}
96
97static inline void *vlynq_get_drvdata(struct vlynq_device *dev)
98{
99 return dev_get_drvdata(dev: &dev->dev);
100}
101
102static inline void vlynq_set_drvdata(struct vlynq_device *dev, void *data)
103{
104 dev_set_drvdata(dev: &dev->dev, data);
105}
106
107static inline u32 vlynq_mem_start(struct vlynq_device *dev)
108{
109 return dev->mem_start;
110}
111
112static inline u32 vlynq_mem_end(struct vlynq_device *dev)
113{
114 return dev->mem_end;
115}
116
117static inline u32 vlynq_mem_len(struct vlynq_device *dev)
118{
119 return dev->mem_end - dev->mem_start + 1;
120}
121
122static inline int vlynq_virq_to_irq(struct vlynq_device *dev, int virq)
123{
124 int irq = dev->irq_start + virq;
125 if ((irq < dev->irq_start) || (irq > dev->irq_end))
126 return -EINVAL;
127
128 return irq;
129}
130
131static inline int vlynq_irq_to_virq(struct vlynq_device *dev, int irq)
132{
133 if ((irq < dev->irq_start) || (irq > dev->irq_end))
134 return -EINVAL;
135
136 return irq - dev->irq_start;
137}
138
139extern void vlynq_unregister_driver(struct vlynq_driver *driver);
140extern int vlynq_enable_device(struct vlynq_device *dev);
141extern void vlynq_disable_device(struct vlynq_device *dev);
142extern int vlynq_set_local_mapping(struct vlynq_device *dev, u32 tx_offset,
143 struct vlynq_mapping *mapping);
144extern int vlynq_set_remote_mapping(struct vlynq_device *dev, u32 tx_offset,
145 struct vlynq_mapping *mapping);
146extern int vlynq_set_local_irq(struct vlynq_device *dev, int virq);
147extern int vlynq_set_remote_irq(struct vlynq_device *dev, int virq);
148
149#endif /* __VLYNQ_H__ */
150

source code of linux/include/linux/vlynq.h