Contents of /alx-src/tags/kernel26-2.6.12-alx-r9/include/linux/serio.h
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Wed Mar 4 11:03:09 2009 UTC (15 years, 3 months ago) by niro
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Wed Mar 4 11:03:09 2009 UTC (15 years, 3 months ago) by niro
File MIME type: text/plain
File size: 5216 byte(s)
Tag kernel26-2.6.12-alx-r9
1 | #ifndef _SERIO_H |
2 | #define _SERIO_H |
3 | |
4 | /* |
5 | * Copyright (C) 1999-2002 Vojtech Pavlik |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify it |
8 | * under the terms of the GNU General Public License version 2 as published by |
9 | * the Free Software Foundation. |
10 | */ |
11 | |
12 | #include <linux/ioctl.h> |
13 | |
14 | #define SPIOCSTYPE _IOW('q', 0x01, unsigned long) |
15 | |
16 | #ifdef __KERNEL__ |
17 | |
18 | #include <linux/interrupt.h> |
19 | #include <linux/list.h> |
20 | #include <linux/spinlock.h> |
21 | #include <linux/device.h> |
22 | #include <linux/mod_devicetable.h> |
23 | |
24 | struct serio { |
25 | void *port_data; |
26 | |
27 | char name[32]; |
28 | char phys[32]; |
29 | |
30 | unsigned int manual_bind; |
31 | |
32 | struct serio_device_id id; |
33 | |
34 | spinlock_t lock; /* protects critical sections from port's interrupt handler */ |
35 | |
36 | int (*write)(struct serio *, unsigned char); |
37 | int (*open)(struct serio *); |
38 | void (*close)(struct serio *); |
39 | int (*start)(struct serio *); |
40 | void (*stop)(struct serio *); |
41 | |
42 | struct serio *parent, *child; |
43 | |
44 | struct serio_driver *drv; /* accessed from interrupt, must be protected by serio->lock and serio->sem */ |
45 | struct semaphore drv_sem; /* protects serio->drv so attributes can pin driver */ |
46 | |
47 | struct device dev; |
48 | unsigned int registered; /* port has been fully registered with driver core */ |
49 | |
50 | struct list_head node; |
51 | }; |
52 | #define to_serio_port(d) container_of(d, struct serio, dev) |
53 | |
54 | struct serio_driver { |
55 | void *private; |
56 | char *description; |
57 | |
58 | struct serio_device_id *id_table; |
59 | unsigned int manual_bind; |
60 | |
61 | void (*write_wakeup)(struct serio *); |
62 | irqreturn_t (*interrupt)(struct serio *, unsigned char, |
63 | unsigned int, struct pt_regs *); |
64 | int (*connect)(struct serio *, struct serio_driver *drv); |
65 | int (*reconnect)(struct serio *); |
66 | void (*disconnect)(struct serio *); |
67 | void (*cleanup)(struct serio *); |
68 | |
69 | struct device_driver driver; |
70 | }; |
71 | #define to_serio_driver(d) container_of(d, struct serio_driver, driver) |
72 | |
73 | int serio_open(struct serio *serio, struct serio_driver *drv); |
74 | void serio_close(struct serio *serio); |
75 | void serio_rescan(struct serio *serio); |
76 | void serio_reconnect(struct serio *serio); |
77 | irqreturn_t serio_interrupt(struct serio *serio, unsigned char data, unsigned int flags, struct pt_regs *regs); |
78 | |
79 | void __serio_register_port(struct serio *serio, struct module *owner); |
80 | static inline void serio_register_port(struct serio *serio) |
81 | { |
82 | __serio_register_port(serio, THIS_MODULE); |
83 | } |
84 | |
85 | void serio_unregister_port(struct serio *serio); |
86 | void __serio_unregister_port_delayed(struct serio *serio, struct module *owner); |
87 | static inline void serio_unregister_port_delayed(struct serio *serio) |
88 | { |
89 | __serio_unregister_port_delayed(serio, THIS_MODULE); |
90 | } |
91 | |
92 | void __serio_register_driver(struct serio_driver *drv, struct module *owner); |
93 | static inline void serio_register_driver(struct serio_driver *drv) |
94 | { |
95 | __serio_register_driver(drv, THIS_MODULE); |
96 | } |
97 | |
98 | void serio_unregister_driver(struct serio_driver *drv); |
99 | |
100 | static inline int serio_write(struct serio *serio, unsigned char data) |
101 | { |
102 | if (serio->write) |
103 | return serio->write(serio, data); |
104 | else |
105 | return -1; |
106 | } |
107 | |
108 | static inline void serio_drv_write_wakeup(struct serio *serio) |
109 | { |
110 | if (serio->drv && serio->drv->write_wakeup) |
111 | serio->drv->write_wakeup(serio); |
112 | } |
113 | |
114 | static inline void serio_cleanup(struct serio *serio) |
115 | { |
116 | if (serio->drv && serio->drv->cleanup) |
117 | serio->drv->cleanup(serio); |
118 | } |
119 | |
120 | /* |
121 | * Use the following fucntions to manipulate serio's per-port |
122 | * driver-specific data. |
123 | */ |
124 | static inline void *serio_get_drvdata(struct serio *serio) |
125 | { |
126 | return dev_get_drvdata(&serio->dev); |
127 | } |
128 | |
129 | static inline void serio_set_drvdata(struct serio *serio, void *data) |
130 | { |
131 | dev_set_drvdata(&serio->dev, data); |
132 | } |
133 | |
134 | /* |
135 | * Use the following fucntions to protect critical sections in |
136 | * driver code from port's interrupt handler |
137 | */ |
138 | static inline void serio_pause_rx(struct serio *serio) |
139 | { |
140 | spin_lock_irq(&serio->lock); |
141 | } |
142 | |
143 | static inline void serio_continue_rx(struct serio *serio) |
144 | { |
145 | spin_unlock_irq(&serio->lock); |
146 | } |
147 | |
148 | /* |
149 | * Use the following fucntions to pin serio's driver in process context |
150 | */ |
151 | static inline int serio_pin_driver(struct serio *serio) |
152 | { |
153 | return down_interruptible(&serio->drv_sem); |
154 | } |
155 | |
156 | static inline void serio_unpin_driver(struct serio *serio) |
157 | { |
158 | up(&serio->drv_sem); |
159 | } |
160 | |
161 | |
162 | #endif |
163 | |
164 | /* |
165 | * bit masks for use in "interrupt" flags (3rd argument) |
166 | */ |
167 | #define SERIO_TIMEOUT 1 |
168 | #define SERIO_PARITY 2 |
169 | #define SERIO_FRAME 4 |
170 | |
171 | /* |
172 | * Serio types |
173 | */ |
174 | #define SERIO_XT 0x00 |
175 | #define SERIO_8042 0x01 |
176 | #define SERIO_RS232 0x02 |
177 | #define SERIO_HIL_MLC 0x03 |
178 | #define SERIO_PS_PSTHRU 0x05 |
179 | #define SERIO_8042_XL 0x06 |
180 | |
181 | /* |
182 | * Serio types |
183 | */ |
184 | #define SERIO_UNKNOWN 0x00 |
185 | #define SERIO_MSC 0x01 |
186 | #define SERIO_SUN 0x02 |
187 | #define SERIO_MS 0x03 |
188 | #define SERIO_MP 0x04 |
189 | #define SERIO_MZ 0x05 |
190 | #define SERIO_MZP 0x06 |
191 | #define SERIO_MZPP 0x07 |
192 | #define SERIO_VSXXXAA 0x08 |
193 | #define SERIO_SUNKBD 0x10 |
194 | #define SERIO_WARRIOR 0x18 |
195 | #define SERIO_SPACEORB 0x19 |
196 | #define SERIO_MAGELLAN 0x1a |
197 | #define SERIO_SPACEBALL 0x1b |
198 | #define SERIO_GUNZE 0x1c |
199 | #define SERIO_IFORCE 0x1d |
200 | #define SERIO_STINGER 0x1e |
201 | #define SERIO_NEWTON 0x1f |
202 | #define SERIO_STOWAWAY 0x20 |
203 | #define SERIO_H3600 0x21 |
204 | #define SERIO_PS2SER 0x22 |
205 | #define SERIO_TWIDKBD 0x23 |
206 | #define SERIO_TWIDJOY 0x24 |
207 | #define SERIO_HIL 0x25 |
208 | #define SERIO_SNES232 0x26 |
209 | #define SERIO_SEMTECH 0x27 |
210 | #define SERIO_LKKBD 0x28 |
211 | #define SERIO_ELO 0x29 |
212 | #define SERIO_MICROTOUCH 0x30 |
213 | |
214 | #endif |