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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/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> |
25 | |
26 | struct serio { |
27 | void *port_data; |
28 | |
29 | char name[32]; |
30 | char phys[32]; |
31 | |
32 | bool manual_bind; |
33 | |
34 | struct serio_device_id id; |
35 | |
36 | spinlock_t lock; /* protects critical sections from port's interrupt handler */ |
37 | |
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 *); |
43 | |
44 | struct serio *parent, *child; |
45 | unsigned int depth; /* level of nesting in serio hierarchy */ |
46 | |
47 | struct serio_driver *drv; /* accessed from interrupt, must be protected by serio->lock and serio->sem */ |
48 | struct mutex drv_mutex; /* protects serio->drv so attributes can pin driver */ |
49 | |
50 | struct device dev; |
51 | |
52 | struct list_head node; |
53 | }; |
54 | #define to_serio_port(d) container_of(d, struct serio, dev) |
55 | |
56 | struct serio_driver { |
57 | void *private; |
58 | char *description; |
59 | |
60 | struct serio_device_id *id_table; |
61 | bool manual_bind; |
62 | |
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 *); |
69 | |
70 | struct device_driver driver; |
71 | }; |
72 | #define to_serio_driver(d) container_of(d, struct serio_driver, driver) |
73 | |
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); |
79 | |
80 | void __serio_register_port(struct serio *serio, struct module *owner); |
81 | static inline void serio_register_port(struct serio *serio) |
82 | { |
83 | __serio_register_port(serio, THIS_MODULE); |
84 | } |
85 | |
86 | void serio_unregister_port(struct serio *serio); |
87 | void serio_unregister_child_port(struct serio *serio); |
88 | |
89 | int __serio_register_driver(struct serio_driver *drv, struct module *owner, const char *mod_name); |
90 | static inline int __must_check serio_register_driver(struct serio_driver *drv) |
91 | { |
92 | return __serio_register_driver(drv, THIS_MODULE, KBUILD_MODNAME); |
93 | } |
94 | void serio_unregister_driver(struct serio_driver *drv); |
95 | |
96 | static inline int serio_write(struct serio *serio, unsigned char data) |
97 | { |
98 | if (serio->write) |
99 | return serio->write(serio, data); |
100 | else |
101 | return -1; |
102 | } |
103 | |
104 | static inline void serio_drv_write_wakeup(struct serio *serio) |
105 | { |
106 | if (serio->drv && serio->drv->write_wakeup) |
107 | serio->drv->write_wakeup(serio); |
108 | } |
109 | |
110 | /* |
111 | * Use the following functions to manipulate serio's per-port |
112 | * driver-specific data. |
113 | */ |
114 | static inline void *serio_get_drvdata(struct serio *serio) |
115 | { |
116 | return dev_get_drvdata(&serio->dev); |
117 | } |
118 | |
119 | static inline void serio_set_drvdata(struct serio *serio, void *data) |
120 | { |
121 | dev_set_drvdata(&serio->dev, data); |
122 | } |
123 | |
124 | /* |
125 | * Use the following functions to protect critical sections in |
126 | * driver code from port's interrupt handler |
127 | */ |
128 | static inline void serio_pause_rx(struct serio *serio) |
129 | { |
130 | spin_lock_irq(&serio->lock); |
131 | } |
132 | |
133 | static inline void serio_continue_rx(struct serio *serio) |
134 | { |
135 | spin_unlock_irq(&serio->lock); |
136 | } |
137 | |
138 | #endif |
139 | |
140 | /* |
141 | * bit masks for use in "interrupt" flags (3rd argument) |
142 | */ |
143 | #define SERIO_TIMEOUT 1 |
144 | #define SERIO_PARITY 2 |
145 | #define SERIO_FRAME 4 |
146 | |
147 | /* |
148 | * Serio types |
149 | */ |
150 | #define SERIO_XT 0x00 |
151 | #define SERIO_8042 0x01 |
152 | #define SERIO_RS232 0x02 |
153 | #define SERIO_HIL_MLC 0x03 |
154 | #define SERIO_PS_PSTHRU 0x05 |
155 | #define SERIO_8042_XL 0x06 |
156 | |
157 | /* |
158 | * Serio protocols |
159 | */ |
160 | #define SERIO_UNKNOWN 0x00 |
161 | #define SERIO_MSC 0x01 |
162 | #define SERIO_SUN 0x02 |
163 | #define SERIO_MS 0x03 |
164 | #define SERIO_MP 0x04 |
165 | #define SERIO_MZ 0x05 |
166 | #define SERIO_MZP 0x06 |
167 | #define SERIO_MZPP 0x07 |
168 | #define SERIO_VSXXXAA 0x08 |
169 | #define SERIO_SUNKBD 0x10 |
170 | #define SERIO_WARRIOR 0x18 |
171 | #define SERIO_SPACEORB 0x19 |
172 | #define SERIO_MAGELLAN 0x1a |
173 | #define SERIO_SPACEBALL 0x1b |
174 | #define SERIO_GUNZE 0x1c |
175 | #define SERIO_IFORCE 0x1d |
176 | #define SERIO_STINGER 0x1e |
177 | #define SERIO_NEWTON 0x1f |
178 | #define SERIO_STOWAWAY 0x20 |
179 | #define SERIO_H3600 0x21 |
180 | #define SERIO_PS2SER 0x22 |
181 | #define SERIO_TWIDKBD 0x23 |
182 | #define SERIO_TWIDJOY 0x24 |
183 | #define SERIO_HIL 0x25 |
184 | #define SERIO_SNES232 0x26 |
185 | #define SERIO_SEMTECH 0x27 |
186 | #define SERIO_LKKBD 0x28 |
187 | #define SERIO_ELO 0x29 |
188 | #define SERIO_MICROTOUCH 0x30 |
189 | #define SERIO_PENMOUNT 0x31 |
190 | #define SERIO_TOUCHRIGHT 0x32 |
191 | #define SERIO_TOUCHWIN 0x33 |
192 | #define SERIO_TAOSEVM 0x34 |
193 | #define SERIO_FUJITSU 0x35 |
194 | #define SERIO_ZHENHUA 0x36 |
195 | #define SERIO_INEXIO 0x37 |
196 | #define SERIO_TOUCHIT213 0x38 |
197 | #define SERIO_W8001 0x39 |
198 | #define SERIO_DYNAPRO 0x3a |
199 | |
200 | #endif |
201 |
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