diff options
Diffstat (limited to 'include/linux/vlynq.h')
-rw-r--r-- | include/linux/vlynq.h | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/include/linux/vlynq.h b/include/linux/vlynq.h new file mode 100644 index 000000000000..8f6a95882b09 --- /dev/null +++ b/include/linux/vlynq.h | |||
@@ -0,0 +1,161 @@ | |||
1 | /* | ||
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> | ||
23 | #include <linux/module.h> | ||
24 | #include <linux/types.h> | ||
25 | |||
26 | #define VLYNQ_NUM_IRQS 32 | ||
27 | |||
28 | struct vlynq_mapping { | ||
29 | u32 size; | ||
30 | u32 offset; | ||
31 | }; | ||
32 | |||
33 | enum vlynq_divisor { | ||
34 | vlynq_div_auto = 0, | ||
35 | vlynq_ldiv1, | ||
36 | vlynq_ldiv2, | ||
37 | vlynq_ldiv3, | ||
38 | vlynq_ldiv4, | ||
39 | vlynq_ldiv5, | ||
40 | vlynq_ldiv6, | ||
41 | vlynq_ldiv7, | ||
42 | vlynq_ldiv8, | ||
43 | vlynq_rdiv1, | ||
44 | vlynq_rdiv2, | ||
45 | vlynq_rdiv3, | ||
46 | vlynq_rdiv4, | ||
47 | vlynq_rdiv5, | ||
48 | vlynq_rdiv6, | ||
49 | vlynq_rdiv7, | ||
50 | vlynq_rdiv8, | ||
51 | vlynq_div_external | ||
52 | }; | ||
53 | |||
54 | struct vlynq_device_id { | ||
55 | u32 id; | ||
56 | enum vlynq_divisor divisor; | ||
57 | unsigned long driver_data; | ||
58 | }; | ||
59 | |||
60 | struct vlynq_regs; | ||
61 | struct vlynq_device { | ||
62 | u32 id, dev_id; | ||
63 | int local_irq; | ||
64 | int remote_irq; | ||
65 | enum vlynq_divisor divisor; | ||
66 | u32 regs_start, regs_end; | ||
67 | u32 mem_start, mem_end; | ||
68 | u32 irq_start, irq_end; | ||
69 | int irq; | ||
70 | int enabled; | ||
71 | struct vlynq_regs *local; | ||
72 | struct vlynq_regs *remote; | ||
73 | struct device dev; | ||
74 | }; | ||
75 | |||
76 | struct vlynq_driver { | ||
77 | char *name; | ||
78 | struct vlynq_device_id *id_table; | ||
79 | int (*probe)(struct vlynq_device *dev, struct vlynq_device_id *id); | ||
80 | void (*remove)(struct vlynq_device *dev); | ||
81 | struct device_driver driver; | ||
82 | }; | ||
83 | |||
84 | struct plat_vlynq_ops { | ||
85 | int (*on)(struct vlynq_device *dev); | ||
86 | void (*off)(struct vlynq_device *dev); | ||
87 | }; | ||
88 | |||
89 | static inline struct vlynq_driver *to_vlynq_driver(struct device_driver *drv) | ||
90 | { | ||
91 | return container_of(drv, struct vlynq_driver, driver); | ||
92 | } | ||
93 | |||
94 | static inline struct vlynq_device *to_vlynq_device(struct device *device) | ||
95 | { | ||
96 | return container_of(device, struct vlynq_device, dev); | ||
97 | } | ||
98 | |||
99 | extern struct bus_type vlynq_bus_type; | ||
100 | |||
101 | extern int __vlynq_register_driver(struct vlynq_driver *driver, | ||
102 | struct module *owner); | ||
103 | |||
104 | static inline int vlynq_register_driver(struct vlynq_driver *driver) | ||
105 | { | ||
106 | return __vlynq_register_driver(driver, THIS_MODULE); | ||
107 | } | ||
108 | |||
109 | static inline void *vlynq_get_drvdata(struct vlynq_device *dev) | ||
110 | { | ||
111 | return dev_get_drvdata(&dev->dev); | ||
112 | } | ||
113 | |||
114 | static inline void vlynq_set_drvdata(struct vlynq_device *dev, void *data) | ||
115 | { | ||
116 | dev_set_drvdata(&dev->dev, data); | ||
117 | } | ||
118 | |||
119 | static inline u32 vlynq_mem_start(struct vlynq_device *dev) | ||
120 | { | ||
121 | return dev->mem_start; | ||
122 | } | ||
123 | |||
124 | static inline u32 vlynq_mem_end(struct vlynq_device *dev) | ||
125 | { | ||
126 | return dev->mem_end; | ||
127 | } | ||
128 | |||
129 | static inline u32 vlynq_mem_len(struct vlynq_device *dev) | ||
130 | { | ||
131 | return dev->mem_end - dev->mem_start + 1; | ||
132 | } | ||
133 | |||
134 | static inline int vlynq_virq_to_irq(struct vlynq_device *dev, int virq) | ||
135 | { | ||
136 | int irq = dev->irq_start + virq; | ||
137 | if ((irq < dev->irq_start) || (irq > dev->irq_end)) | ||
138 | return -EINVAL; | ||
139 | |||
140 | return irq; | ||
141 | } | ||
142 | |||
143 | static inline int vlynq_irq_to_virq(struct vlynq_device *dev, int irq) | ||
144 | { | ||
145 | if ((irq < dev->irq_start) || (irq > dev->irq_end)) | ||
146 | return -EINVAL; | ||
147 | |||
148 | return irq - dev->irq_start; | ||
149 | } | ||
150 | |||
151 | extern void vlynq_unregister_driver(struct vlynq_driver *driver); | ||
152 | extern int vlynq_enable_device(struct vlynq_device *dev); | ||
153 | extern void vlynq_disable_device(struct vlynq_device *dev); | ||
154 | extern int vlynq_set_local_mapping(struct vlynq_device *dev, u32 tx_offset, | ||
155 | struct vlynq_mapping *mapping); | ||
156 | extern int vlynq_set_remote_mapping(struct vlynq_device *dev, u32 tx_offset, | ||
157 | struct vlynq_mapping *mapping); | ||
158 | extern int vlynq_set_local_irq(struct vlynq_device *dev, int virq); | ||
159 | extern int vlynq_set_remote_irq(struct vlynq_device *dev, int virq); | ||
160 | |||
161 | #endif /* __VLYNQ_H__ */ | ||