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 /* Protects critical sections from port's interrupt handler */
39 int (*write)(struct serio *, unsigned char);
40 int (*open)(struct serio *);
41 void (*close)(struct serio *);
42 int (*start)(struct serio *);
43 void (*stop)(struct serio *);
46 /* Entry in parent->children list */
47 struct list_head child_node;
48 struct list_head children;
49 /* Level of nesting in serio hierarchy */
53 * serio->drv is accessed from interrupt handlers; when modifying
54 * caller should acquire serio->drv_mutex and serio->lock.
56 struct serio_driver *drv;
57 /* Protects serio->drv so attributes can pin current driver */
58 struct mutex drv_mutex;
62 struct list_head node;
65 * For use by PS/2 layer when several ports share hardware and
66 * may get indigestion when exposed to concurrent access (i8042).
68 struct mutex *ps2_cmd_mutex;
70 #define to_serio_port(d) container_of(d, struct serio, dev)
73 const char *description;
75 const struct serio_device_id *id_table;
78 void (*write_wakeup)(struct serio *);
79 irqreturn_t (*interrupt)(struct serio *, unsigned char, unsigned int);
80 int (*connect)(struct serio *, struct serio_driver *drv);
81 int (*reconnect)(struct serio *);
82 void (*disconnect)(struct serio *);
83 void (*cleanup)(struct serio *);
85 struct device_driver driver;
87 #define to_serio_driver(d) container_of(d, struct serio_driver, driver)
89 int serio_open(struct serio *serio, struct serio_driver *drv);
90 void serio_close(struct serio *serio);
91 void serio_rescan(struct serio *serio);
92 void serio_reconnect(struct serio *serio);
93 irqreturn_t serio_interrupt(struct serio *serio, unsigned char data, unsigned int flags);
95 void __serio_register_port(struct serio *serio, struct module *owner);
97 /* use a define to avoid include chaining to get THIS_MODULE */
98 #define serio_register_port(serio) \
99 __serio_register_port(serio, THIS_MODULE)
101 void serio_unregister_port(struct serio *serio);
102 void serio_unregister_child_port(struct serio *serio);
104 int __must_check __serio_register_driver(struct serio_driver *drv,
105 struct module *owner, const char *mod_name);
107 /* use a define to avoid include chaining to get THIS_MODULE & friends */
108 #define serio_register_driver(drv) \
109 __serio_register_driver(drv, THIS_MODULE, KBUILD_MODNAME)
111 void serio_unregister_driver(struct serio_driver *drv);
113 static inline int serio_write(struct serio *serio, unsigned char data)
116 return serio->write(serio, data);
121 static inline void serio_drv_write_wakeup(struct serio *serio)
123 if (serio->drv && serio->drv->write_wakeup)
124 serio->drv->write_wakeup(serio);
128 * Use the following functions to manipulate serio's per-port
129 * driver-specific data.
131 static inline void *serio_get_drvdata(struct serio *serio)
133 return dev_get_drvdata(&serio->dev);
136 static inline void serio_set_drvdata(struct serio *serio, void *data)
138 dev_set_drvdata(&serio->dev, data);
142 * Use the following functions to protect critical sections in
143 * driver code from port's interrupt handler
145 static inline void serio_pause_rx(struct serio *serio)
147 spin_lock_irq(&serio->lock);
150 static inline void serio_continue_rx(struct serio *serio)
152 spin_unlock_irq(&serio->lock);
158 * bit masks for use in "interrupt" flags (3rd argument)
160 #define SERIO_TIMEOUT 1
161 #define SERIO_PARITY 2
162 #define SERIO_FRAME 4
167 #define SERIO_XT 0x00
168 #define SERIO_8042 0x01
169 #define SERIO_RS232 0x02
170 #define SERIO_HIL_MLC 0x03
171 #define SERIO_PS_PSTHRU 0x05
172 #define SERIO_8042_XL 0x06
177 #define SERIO_UNKNOWN 0x00
178 #define SERIO_MSC 0x01
179 #define SERIO_SUN 0x02
180 #define SERIO_MS 0x03
181 #define SERIO_MP 0x04
182 #define SERIO_MZ 0x05
183 #define SERIO_MZP 0x06
184 #define SERIO_MZPP 0x07
185 #define SERIO_VSXXXAA 0x08
186 #define SERIO_SUNKBD 0x10
187 #define SERIO_WARRIOR 0x18
188 #define SERIO_SPACEORB 0x19
189 #define SERIO_MAGELLAN 0x1a
190 #define SERIO_SPACEBALL 0x1b
191 #define SERIO_GUNZE 0x1c
192 #define SERIO_IFORCE 0x1d
193 #define SERIO_STINGER 0x1e
194 #define SERIO_NEWTON 0x1f
195 #define SERIO_STOWAWAY 0x20
196 #define SERIO_H3600 0x21
197 #define SERIO_PS2SER 0x22
198 #define SERIO_TWIDKBD 0x23
199 #define SERIO_TWIDJOY 0x24
200 #define SERIO_HIL 0x25
201 #define SERIO_SNES232 0x26
202 #define SERIO_SEMTECH 0x27
203 #define SERIO_LKKBD 0x28
204 #define SERIO_ELO 0x29
205 #define SERIO_MICROTOUCH 0x30
206 #define SERIO_PENMOUNT 0x31
207 #define SERIO_TOUCHRIGHT 0x32
208 #define SERIO_TOUCHWIN 0x33
209 #define SERIO_TAOSEVM 0x34
210 #define SERIO_FUJITSU 0x35
211 #define SERIO_ZHENHUA 0x36
212 #define SERIO_INEXIO 0x37
213 #define SERIO_TOUCHIT213 0x38
214 #define SERIO_W8001 0x39
215 #define SERIO_DYNAPRO 0x3a
216 #define SERIO_HAMPSHIRE 0x3b
217 #define SERIO_PS2MULT 0x3c
218 #define SERIO_TSC40 0x3d