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
);
90 void serio_unregister_driver(struct serio_driver
*drv
);
92 static inline int serio_write(struct serio
*serio
, unsigned char data
)
95 return serio
->write(serio
, data
);
100 static inline void serio_drv_write_wakeup(struct serio
*serio
)
102 if (serio
->drv
&& serio
->drv
->write_wakeup
)
103 serio
->drv
->write_wakeup(serio
);
106 static inline void serio_cleanup(struct serio
*serio
)
108 if (serio
->drv
&& serio
->drv
->cleanup
)
109 serio
->drv
->cleanup(serio
);
113 * Use the following functions to manipulate serio's per-port
114 * driver-specific data.
116 static inline void *serio_get_drvdata(struct serio
*serio
)
118 return dev_get_drvdata(&serio
->dev
);
121 static inline void serio_set_drvdata(struct serio
*serio
, void *data
)
123 dev_set_drvdata(&serio
->dev
, data
);
127 * Use the following functions to protect critical sections in
128 * driver code from port's interrupt handler
130 static inline void serio_pause_rx(struct serio
*serio
)
132 spin_lock_irq(&serio
->lock
);
135 static inline void serio_continue_rx(struct serio
*serio
)
137 spin_unlock_irq(&serio
->lock
);
141 * Use the following functions to pin serio's driver in process context
143 static inline int serio_pin_driver(struct serio
*serio
)
145 return mutex_lock_interruptible(&serio
->drv_mutex
);
148 static inline void serio_pin_driver_uninterruptible(struct serio
*serio
)
150 mutex_lock(&serio
->drv_mutex
);
153 static inline void serio_unpin_driver(struct serio
*serio
)
155 mutex_unlock(&serio
->drv_mutex
);
162 * bit masks for use in "interrupt" flags (3rd argument)
164 #define SERIO_TIMEOUT 1
165 #define SERIO_PARITY 2
166 #define SERIO_FRAME 4
171 #define SERIO_XT 0x00
172 #define SERIO_8042 0x01
173 #define SERIO_RS232 0x02
174 #define SERIO_HIL_MLC 0x03
175 #define SERIO_PS_PSTHRU 0x05
176 #define SERIO_8042_XL 0x06
181 #define SERIO_UNKNOWN 0x00
182 #define SERIO_MSC 0x01
183 #define SERIO_SUN 0x02
184 #define SERIO_MS 0x03
185 #define SERIO_MP 0x04
186 #define SERIO_MZ 0x05
187 #define SERIO_MZP 0x06
188 #define SERIO_MZPP 0x07
189 #define SERIO_VSXXXAA 0x08
190 #define SERIO_SUNKBD 0x10
191 #define SERIO_WARRIOR 0x18
192 #define SERIO_SPACEORB 0x19
193 #define SERIO_MAGELLAN 0x1a
194 #define SERIO_SPACEBALL 0x1b
195 #define SERIO_GUNZE 0x1c
196 #define SERIO_IFORCE 0x1d
197 #define SERIO_STINGER 0x1e
198 #define SERIO_NEWTON 0x1f
199 #define SERIO_STOWAWAY 0x20
200 #define SERIO_H3600 0x21
201 #define SERIO_PS2SER 0x22
202 #define SERIO_TWIDKBD 0x23
203 #define SERIO_TWIDJOY 0x24
204 #define SERIO_HIL 0x25
205 #define SERIO_SNES232 0x26
206 #define SERIO_SEMTECH 0x27
207 #define SERIO_LKKBD 0x28
208 #define SERIO_ELO 0x29
209 #define SERIO_MICROTOUCH 0x30
210 #define SERIO_PENMOUNT 0x31
211 #define SERIO_TOUCHRIGHT 0x32
212 #define SERIO_TOUCHWIN 0x33