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/types.h>
19 #include <linux/interrupt.h>
20 #include <linux/list.h>
21 #include <linux/spinlock.h>
22 #include <linux/mutex.h>
23 #include <linux/device.h>
24 #include <linux/mod_devicetable.h>
34 struct serio_device_id id
;
36 spinlock_t lock
; /* protects critical sections from port's interrupt handler */
38 int (*write
)(struct serio
*, unsigned char);
39 int (*open
)(struct serio
*);
40 void (*close
)(struct serio
*);
41 int (*start
)(struct serio
*);
42 void (*stop
)(struct serio
*);
45 struct list_head child_node
; /* Entry in parent->children list */
46 struct list_head children
;
47 unsigned int depth
; /* level of nesting in serio hierarchy */
49 struct serio_driver
*drv
; /* accessed from interrupt, must be protected by serio->lock and serio->sem */
50 struct mutex drv_mutex
; /* protects serio->drv so attributes can pin driver */
54 struct list_head node
;
56 #define to_serio_port(d) container_of(d, struct serio, dev)
59 const char *description
;
61 const struct serio_device_id
*id_table
;
64 void (*write_wakeup
)(struct serio
*);
65 irqreturn_t (*interrupt
)(struct serio
*, unsigned char, unsigned int);
66 int (*connect
)(struct serio
*, struct serio_driver
*drv
);
67 int (*reconnect
)(struct serio
*);
68 void (*disconnect
)(struct serio
*);
69 void (*cleanup
)(struct serio
*);
71 struct device_driver driver
;
73 #define to_serio_driver(d) container_of(d, struct serio_driver, driver)
75 int serio_open(struct serio
*serio
, struct serio_driver
*drv
);
76 void serio_close(struct serio
*serio
);
77 void serio_rescan(struct serio
*serio
);
78 void serio_reconnect(struct serio
*serio
);
79 irqreturn_t
serio_interrupt(struct serio
*serio
, unsigned char data
, unsigned int flags
);
81 void __serio_register_port(struct serio
*serio
, struct module
*owner
);
83 /* use a define to avoid include chaining to get THIS_MODULE */
84 #define serio_register_port(serio) \
85 __serio_register_port(serio, THIS_MODULE)
87 void serio_unregister_port(struct serio
*serio
);
88 void serio_unregister_child_port(struct serio
*serio
);
90 int __must_check
__serio_register_driver(struct serio_driver
*drv
,
91 struct module
*owner
, const char *mod_name
);
93 /* use a define to avoid include chaining to get THIS_MODULE & friends */
94 #define serio_register_driver(drv) \
95 __serio_register_driver(drv, THIS_MODULE, KBUILD_MODNAME)
97 void serio_unregister_driver(struct serio_driver
*drv
);
100 * module_serio_driver() - Helper macro for registering a serio driver
101 * @__serio_driver: serio_driver struct
103 * Helper macro for serio drivers which do not do anything special in
104 * module init/exit. This eliminates a lot of boilerplate. Each module
105 * may only use this macro once, and calling it replaces module_init()
108 #define module_serio_driver(__serio_driver) \
109 module_driver(__serio_driver, serio_register_driver, \
110 serio_unregister_driver)
112 static inline int serio_write(struct serio
*serio
, unsigned char data
)
115 return serio
->write(serio
, data
);
120 static inline void serio_drv_write_wakeup(struct serio
*serio
)
122 if (serio
->drv
&& serio
->drv
->write_wakeup
)
123 serio
->drv
->write_wakeup(serio
);
127 * Use the following functions to manipulate serio's per-port
128 * driver-specific data.
130 static inline void *serio_get_drvdata(struct serio
*serio
)
132 return dev_get_drvdata(&serio
->dev
);
135 static inline void serio_set_drvdata(struct serio
*serio
, void *data
)
137 dev_set_drvdata(&serio
->dev
, data
);
141 * Use the following functions to protect critical sections in
142 * driver code from port's interrupt handler
144 static inline void serio_pause_rx(struct serio
*serio
)
146 spin_lock_irq(&serio
->lock
);
149 static inline void serio_continue_rx(struct serio
*serio
)
151 spin_unlock_irq(&serio
->lock
);
157 * bit masks for use in "interrupt" flags (3rd argument)
159 #define SERIO_TIMEOUT 1
160 #define SERIO_PARITY 2
161 #define SERIO_FRAME 4
166 #define SERIO_XT 0x00
167 #define SERIO_8042 0x01
168 #define SERIO_RS232 0x02
169 #define SERIO_HIL_MLC 0x03
170 #define SERIO_PS_PSTHRU 0x05
171 #define SERIO_8042_XL 0x06
176 #define SERIO_UNKNOWN 0x00
177 #define SERIO_MSC 0x01
178 #define SERIO_SUN 0x02
179 #define SERIO_MS 0x03
180 #define SERIO_MP 0x04
181 #define SERIO_MZ 0x05
182 #define SERIO_MZP 0x06
183 #define SERIO_MZPP 0x07
184 #define SERIO_VSXXXAA 0x08
185 #define SERIO_SUNKBD 0x10
186 #define SERIO_WARRIOR 0x18
187 #define SERIO_SPACEORB 0x19
188 #define SERIO_MAGELLAN 0x1a
189 #define SERIO_SPACEBALL 0x1b
190 #define SERIO_GUNZE 0x1c
191 #define SERIO_IFORCE 0x1d
192 #define SERIO_STINGER 0x1e
193 #define SERIO_NEWTON 0x1f
194 #define SERIO_STOWAWAY 0x20
195 #define SERIO_H3600 0x21
196 #define SERIO_PS2SER 0x22
197 #define SERIO_TWIDKBD 0x23
198 #define SERIO_TWIDJOY 0x24
199 #define SERIO_HIL 0x25
200 #define SERIO_SNES232 0x26
201 #define SERIO_SEMTECH 0x27
202 #define SERIO_LKKBD 0x28
203 #define SERIO_ELO 0x29
204 #define SERIO_MICROTOUCH 0x30
205 #define SERIO_PENMOUNT 0x31
206 #define SERIO_TOUCHRIGHT 0x32
207 #define SERIO_TOUCHWIN 0x33
208 #define SERIO_TAOSEVM 0x34
209 #define SERIO_FUJITSU 0x35
210 #define SERIO_ZHENHUA 0x36
211 #define SERIO_INEXIO 0x37
212 #define SERIO_TOUCHIT213 0x38
213 #define SERIO_W8001 0x39
214 #define SERIO_DYNAPRO 0x3a
215 #define SERIO_HAMPSHIRE 0x3b
216 #define SERIO_PS2MULT 0x3c
217 #define SERIO_TSC40 0x3d