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serio.h
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/
serio.h
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#ifndef _SERIO_H
#define _SERIO_H
/*
* Copyright (C) 1999-2002 Vojtech Pavlik
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*/
#include <linux/ioctl.h>
#define SPIOCSTYPE _IOW('q', 0x01, unsigned long)
#ifdef __KERNEL__
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/mutex.h>
#include <linux/device.h>
#include <linux/mod_devicetable.h>
struct serio {
void *port_data;
char name[32];
char phys[32];
bool manual_bind;
bool registered; /* port has been fully registered with driver core */
struct serio_device_id id;
spinlock_t lock; /* protects critical sections from port's interrupt handler */
int (*write)(struct serio *, unsigned char);
int (*open)(struct serio *);
void (*close)(struct serio *);
int (*start)(struct serio *);
void (*stop)(struct serio *);
struct serio *parent, *child;
unsigned int depth; /* level of nesting in serio hierarchy */
struct serio_driver *drv; /* accessed from interrupt, must be protected by serio->lock and serio->sem */
struct mutex drv_mutex; /* protects serio->drv so attributes can pin driver */
struct device dev;
struct list_head node;
};
#define to_serio_port(d) container_of(d, struct serio, dev)
struct serio_driver {
void *private;
char *description;
struct serio_device_id *id_table;
bool manual_bind;
void (*write_wakeup)(struct serio *);
irqreturn_t (*interrupt)(struct serio *, unsigned char, unsigned int);
int (*connect)(struct serio *, struct serio_driver *drv);
int (*reconnect)(struct serio *);
void (*disconnect)(struct serio *);
void (*cleanup)(struct serio *);
struct device_driver driver;
};
#define to_serio_driver(d) container_of(d, struct serio_driver, driver)
int serio_open(struct serio *serio, struct serio_driver *drv);
void serio_close(struct serio *serio);
void serio_rescan(struct serio *serio);
void serio_reconnect(struct serio *serio);
irqreturn_t serio_interrupt(struct serio *serio, unsigned char data, unsigned int flags);
void __serio_register_port(struct serio *serio, struct module *owner);
static inline void serio_register_port(struct serio *serio)
{
__serio_register_port(serio, THIS_MODULE);
}
void serio_unregister_port(struct serio *serio);
void serio_unregister_child_port(struct serio *serio);
int __serio_register_driver(struct serio_driver *drv, struct module *owner, const char *mod_name);
static inline int __must_check serio_register_driver(struct serio_driver *drv)
{
return __serio_register_driver(drv, THIS_MODULE, KBUILD_MODNAME);
}
void serio_unregister_driver(struct serio_driver *drv);
static inline int serio_write(struct serio *serio, unsigned char data)
{
if (serio->write)
return serio->write(serio, data);
else
return -1;
}
static inline void serio_drv_write_wakeup(struct serio *serio)
{
if (serio->drv && serio->drv->write_wakeup)
serio->drv->write_wakeup(serio);
}
/*
* Use the following functions to manipulate serio's per-port
* driver-specific data.
*/
static inline void *serio_get_drvdata(struct serio *serio)
{
return dev_get_drvdata(&serio->dev);
}
static inline void serio_set_drvdata(struct serio *serio, void *data)
{
dev_set_drvdata(&serio->dev, data);
}
/*
* Use the following functions to protect critical sections in
* driver code from port's interrupt handler
*/
static inline void serio_pause_rx(struct serio *serio)
{
spin_lock_irq(&serio->lock);
}
static inline void serio_continue_rx(struct serio *serio)
{
spin_unlock_irq(&serio->lock);
}
/*
* Use the following functions to pin serio's driver in process context
*/
static inline int serio_pin_driver(struct serio *serio)
{
return mutex_lock_interruptible(&serio->drv_mutex);
}
static inline void serio_pin_driver_uninterruptible(struct serio *serio)
{
mutex_lock(&serio->drv_mutex);
}
static inline void serio_unpin_driver(struct serio *serio)
{
mutex_unlock(&serio->drv_mutex);
}
#endif
/*
* bit masks for use in "interrupt" flags (3rd argument)
*/
#define SERIO_TIMEOUT 1
#define SERIO_PARITY 2
#define SERIO_FRAME 4
/*
* Serio types
*/
#define SERIO_XT 0x00
#define SERIO_8042 0x01
#define SERIO_RS232 0x02
#define SERIO_HIL_MLC 0x03
#define SERIO_PS_PSTHRU 0x05
#define SERIO_8042_XL 0x06
/*
* Serio protocols
*/
#define SERIO_UNKNOWN 0x00
#define SERIO_MSC 0x01
#define SERIO_SUN 0x02
#define SERIO_MS 0x03
#define SERIO_MP 0x04
#define SERIO_MZ 0x05
#define SERIO_MZP 0x06
#define SERIO_MZPP 0x07
#define SERIO_VSXXXAA 0x08
#define SERIO_SUNKBD 0x10
#define SERIO_WARRIOR 0x18
#define SERIO_SPACEORB 0x19
#define SERIO_MAGELLAN 0x1a
#define SERIO_SPACEBALL 0x1b
#define SERIO_GUNZE 0x1c
#define SERIO_IFORCE 0x1d
#define SERIO_STINGER 0x1e
#define SERIO_NEWTON 0x1f
#define SERIO_STOWAWAY 0x20
#define SERIO_H3600 0x21
#define SERIO_PS2SER 0x22
#define SERIO_TWIDKBD 0x23
#define SERIO_TWIDJOY 0x24
#define SERIO_HIL 0x25
#define SERIO_SNES232 0x26
#define SERIO_SEMTECH 0x27
#define SERIO_LKKBD 0x28
#define SERIO_ELO 0x29
#define SERIO_MICROTOUCH 0x30
#define SERIO_PENMOUNT 0x31
#define SERIO_TOUCHRIGHT 0x32
#define SERIO_TOUCHWIN 0x33
#define SERIO_TAOSEVM 0x34
#define SERIO_FUJITSU 0x35
#define SERIO_ZHENHUA 0x36
#define SERIO_INEXIO 0x37
#define SERIO_TOUCHIT213 0x38
#define SERIO_W8001 0x39
#endif