5 * Copyright (C) 1999-2002 Vojtech Pavlik
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.
12 #include <linux/ioctl.h>
14 #define SPIOCSTYPE _IOW('q', 0x01, unsigned long)
18 #include <linux/interrupt.h>
19 #include <linux/list.h>
20 #include <linux/spinlock.h>
21 #include <linux/mutex.h>
22 #include <linux/device.h>
23 #include <linux/mod_devicetable.h>
31 unsigned int manual_bind;
33 struct serio_device_id id;
35 spinlock_t lock; /* protects critical sections from port's interrupt handler */
37 int (*write)(struct serio *, unsigned char);
38 int (*open)(struct serio *);
39 void (*close)(struct serio *);
40 int (*start)(struct serio *);
41 void (*stop)(struct serio *);
43 struct serio *parent, *child;
44 unsigned int depth; /* level of nesting in serio hierarchy */
46 struct serio_driver *drv; /* accessed from interrupt, must be protected by serio->lock and serio->sem */
47 struct mutex drv_mutex; /* protects serio->drv so attributes can pin driver */
50 unsigned int registered; /* port has been fully registered with driver core */
52 struct list_head node;
54 #define to_serio_port(d) container_of(d, struct serio, dev)
60 struct serio_device_id *id_table;
61 unsigned int manual_bind;
63 void (*write_wakeup)(struct serio *);
64 irqreturn_t (*interrupt)(struct serio *, unsigned char, unsigned int);
65 int (*connect)(struct serio *, struct serio_driver *drv);
66 int (*reconnect)(struct serio *);
67 void (*disconnect)(struct serio *);
68 void (*cleanup)(struct serio *);
70 struct device_driver driver;
72 #define to_serio_driver(d) container_of(d, struct serio_driver, driver)
74 int serio_open(struct serio *serio, struct serio_driver *drv);
75 void serio_close(struct serio *serio);
76 void serio_rescan(struct serio *serio);
77 void serio_reconnect(struct serio *serio);
78 irqreturn_t serio_interrupt(struct serio *serio, unsigned char data, unsigned int flags);
80 void __serio_register_port(struct serio *serio, struct module *owner);
81 static inline void serio_register_port(struct serio *serio)
83 __serio_register_port(serio, THIS_MODULE);
86 void serio_unregister_port(struct serio *serio);
87 void serio_unregister_child_port(struct serio *serio);
89 int __serio_register_driver(struct serio_driver *drv, struct module *owner, const char *mod_name);
90 static inline int serio_register_driver(struct serio_driver *drv)
92 return __serio_register_driver(drv, THIS_MODULE, KBUILD_MODNAME);
94 int serio_register_driver(struct serio_driver *drv);
95 void serio_unregister_driver(struct serio_driver *drv);
97 static inline int serio_write(struct serio *serio, unsigned char data)
100 return serio->write(serio, data);
105 static inline void serio_drv_write_wakeup(struct serio *serio)
107 if (serio->drv && serio->drv->write_wakeup)
108 serio->drv->write_wakeup(serio);
111 static inline void serio_cleanup(struct serio *serio)
113 if (serio->drv && serio->drv->cleanup)
114 serio->drv->cleanup(serio);
118 * Use the following functions to manipulate serio's per-port
119 * driver-specific data.
121 static inline void *serio_get_drvdata(struct serio *serio)
123 return dev_get_drvdata(&serio->dev);
126 static inline void serio_set_drvdata(struct serio *serio, void *data)
128 dev_set_drvdata(&serio->dev, data);
132 * Use the following functions to protect critical sections in
133 * driver code from port's interrupt handler
135 static inline void serio_pause_rx(struct serio *serio)
137 spin_lock_irq(&serio->lock);
140 static inline void serio_continue_rx(struct serio *serio)
142 spin_unlock_irq(&serio->lock);
146 * Use the following functions to pin serio's driver in process context
148 static inline int serio_pin_driver(struct serio *serio)
150 return mutex_lock_interruptible(&serio->drv_mutex);
153 static inline void serio_pin_driver_uninterruptible(struct serio *serio)
155 mutex_lock(&serio->drv_mutex);
158 static inline void serio_unpin_driver(struct serio *serio)
160 mutex_unlock(&serio->drv_mutex);
167 * bit masks for use in "interrupt" flags (3rd argument)
169 #define SERIO_TIMEOUT 1
170 #define SERIO_PARITY 2
171 #define SERIO_FRAME 4
176 #define SERIO_XT 0x00
177 #define SERIO_8042 0x01
178 #define SERIO_RS232 0x02
179 #define SERIO_HIL_MLC 0x03
180 #define SERIO_PS_PSTHRU 0x05
181 #define SERIO_8042_XL 0x06
186 #define SERIO_UNKNOWN 0x00
187 #define SERIO_MSC 0x01
188 #define SERIO_SUN 0x02
189 #define SERIO_MS 0x03
190 #define SERIO_MP 0x04
191 #define SERIO_MZ 0x05
192 #define SERIO_MZP 0x06
193 #define SERIO_MZPP 0x07
194 #define SERIO_VSXXXAA 0x08
195 #define SERIO_SUNKBD 0x10
196 #define SERIO_WARRIOR 0x18
197 #define SERIO_SPACEORB 0x19
198 #define SERIO_MAGELLAN 0x1a
199 #define SERIO_SPACEBALL 0x1b
200 #define SERIO_GUNZE 0x1c
201 #define SERIO_IFORCE 0x1d
202 #define SERIO_STINGER 0x1e
203 #define SERIO_NEWTON 0x1f
204 #define SERIO_STOWAWAY 0x20
205 #define SERIO_H3600 0x21
206 #define SERIO_PS2SER 0x22
207 #define SERIO_TWIDKBD 0x23
208 #define SERIO_TWIDJOY 0x24
209 #define SERIO_HIL 0x25
210 #define SERIO_SNES232 0x26
211 #define SERIO_SEMTECH 0x27
212 #define SERIO_LKKBD 0x28
213 #define SERIO_ELO 0x29
214 #define SERIO_MICROTOUCH 0x30
215 #define SERIO_PENMOUNT 0x31
216 #define SERIO_TOUCHRIGHT 0x32
217 #define SERIO_TOUCHWIN 0x33