blob: 017d4a53d55ef9c7158c5cdaa6c199f4136b3975 [file] [log] [blame]
Florian Fainelli55e331c2009-06-16 15:33:53 -07001/*
2 * Copyright (C) 2006, 2007 Eugene Konev <ejka@openwrt.org>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19#ifndef __VLYNQ_H__
20#define __VLYNQ_H__
21
22#include <linux/device.h>
Florian Fainelli55e331c2009-06-16 15:33:53 -070023#include <linux/types.h>
24
Paul Gortmakerde477252011-05-26 13:46:22 -040025struct module;
26
Florian Fainelli55e331c2009-06-16 15:33:53 -070027#define VLYNQ_NUM_IRQS 32
28
29struct vlynq_mapping {
30 u32 size;
31 u32 offset;
32};
33
34enum vlynq_divisor {
35 vlynq_div_auto = 0,
36 vlynq_ldiv1,
37 vlynq_ldiv2,
38 vlynq_ldiv3,
39 vlynq_ldiv4,
40 vlynq_ldiv5,
41 vlynq_ldiv6,
42 vlynq_ldiv7,
43 vlynq_ldiv8,
44 vlynq_rdiv1,
45 vlynq_rdiv2,
46 vlynq_rdiv3,
47 vlynq_rdiv4,
48 vlynq_rdiv5,
49 vlynq_rdiv6,
50 vlynq_rdiv7,
51 vlynq_rdiv8,
52 vlynq_div_external
53};
54
55struct vlynq_device_id {
56 u32 id;
57 enum vlynq_divisor divisor;
58 unsigned long driver_data;
59};
60
61struct vlynq_regs;
62struct vlynq_device {
63 u32 id, dev_id;
64 int local_irq;
65 int remote_irq;
66 enum vlynq_divisor divisor;
67 u32 regs_start, regs_end;
68 u32 mem_start, mem_end;
69 u32 irq_start, irq_end;
70 int irq;
71 int enabled;
72 struct vlynq_regs *local;
73 struct vlynq_regs *remote;
74 struct device dev;
75};
76
77struct vlynq_driver {
78 char *name;
79 struct vlynq_device_id *id_table;
80 int (*probe)(struct vlynq_device *dev, struct vlynq_device_id *id);
81 void (*remove)(struct vlynq_device *dev);
82 struct device_driver driver;
83};
84
85struct plat_vlynq_ops {
86 int (*on)(struct vlynq_device *dev);
87 void (*off)(struct vlynq_device *dev);
88};
89
90static inline struct vlynq_driver *to_vlynq_driver(struct device_driver *drv)
91{
92 return container_of(drv, struct vlynq_driver, driver);
93}
94
95static inline struct vlynq_device *to_vlynq_device(struct device *device)
96{
97 return container_of(device, struct vlynq_device, dev);
98}
99
100extern struct bus_type vlynq_bus_type;
101
102extern int __vlynq_register_driver(struct vlynq_driver *driver,
103 struct module *owner);
104
105static inline int vlynq_register_driver(struct vlynq_driver *driver)
106{
107 return __vlynq_register_driver(driver, THIS_MODULE);
108}
109
110static inline void *vlynq_get_drvdata(struct vlynq_device *dev)
111{
112 return dev_get_drvdata(&dev->dev);
113}
114
115static inline void vlynq_set_drvdata(struct vlynq_device *dev, void *data)
116{
117 dev_set_drvdata(&dev->dev, data);
118}
119
120static inline u32 vlynq_mem_start(struct vlynq_device *dev)
121{
122 return dev->mem_start;
123}
124
125static inline u32 vlynq_mem_end(struct vlynq_device *dev)
126{
127 return dev->mem_end;
128}
129
130static inline u32 vlynq_mem_len(struct vlynq_device *dev)
131{
132 return dev->mem_end - dev->mem_start + 1;
133}
134
135static inline int vlynq_virq_to_irq(struct vlynq_device *dev, int virq)
136{
137 int irq = dev->irq_start + virq;
138 if ((irq < dev->irq_start) || (irq > dev->irq_end))
139 return -EINVAL;
140
141 return irq;
142}
143
144static inline int vlynq_irq_to_virq(struct vlynq_device *dev, int irq)
145{
146 if ((irq < dev->irq_start) || (irq > dev->irq_end))
147 return -EINVAL;
148
149 return irq - dev->irq_start;
150}
151
152extern void vlynq_unregister_driver(struct vlynq_driver *driver);
153extern int vlynq_enable_device(struct vlynq_device *dev);
154extern void vlynq_disable_device(struct vlynq_device *dev);
155extern int vlynq_set_local_mapping(struct vlynq_device *dev, u32 tx_offset,
156 struct vlynq_mapping *mapping);
157extern int vlynq_set_remote_mapping(struct vlynq_device *dev, u32 tx_offset,
158 struct vlynq_mapping *mapping);
159extern int vlynq_set_local_irq(struct vlynq_device *dev, int virq);
160extern int vlynq_set_remote_irq(struct vlynq_device *dev, int virq);
161
162#endif /* __VLYNQ_H__ */