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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>
#include <linux/interrupt.h>
#define SPIOCSTYPE _IOW('q', 0x01, unsigned long)
#ifdef __KERNEL__
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/device.h>
struct serio {
void *private;
void *port_data;
char name[32];
char phys[32];
unsigned int manual_bind;
unsigned short idbus;
unsigned short idvendor;
unsigned short idproduct;
unsigned short idversion;
unsigned long type;
unsigned long event;
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 *);
struct serio *parent, *child;
struct serio_driver *drv; /* accessed from interrupt, must be protected by serio->lock and serio->sem */
struct semaphore drv_sem; /* 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;
unsigned int manual_bind;
void (*write_wakeup)(struct serio *);
irqreturn_t (*interrupt)(struct serio *, unsigned char,
unsigned int, struct pt_regs *);
void (*connect)(struct serio *, struct serio_driver *drv);
int (*reconnect)(struct serio *);
void (*disconnect)(struct serio *);
void (*cleanup)(struct serio *);
struct device_driver driver;
struct list_head node;
};
#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, struct pt_regs *regs);
void serio_register_port(struct serio *serio);
void serio_register_port_delayed(struct serio *serio);
void serio_unregister_port(struct serio *serio);
void serio_unregister_port_delayed(struct serio *serio);
void serio_register_driver(struct serio_driver *drv);
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);
}
static __inline__ void serio_cleanup(struct serio *serio)
{
if (serio->drv && serio->drv->cleanup)
serio->drv->cleanup(serio);
}
/*
* Use the following fucntions 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 fucntions to pin serio's driver in process context
*/
static __inline__ int serio_pin_driver(struct serio *serio)
{
return down_interruptible(&serio->drv_sem);
}
static __inline__ void serio_unpin_driver(struct serio *serio)
{
up(&serio->drv_sem);
}
#endif
/*
* bit masks for use in "interrupt" flags (3rd argument)
*/
#define SERIO_TIMEOUT 1
#define SERIO_PARITY 2
#define SERIO_FRAME 4
#define SERIO_TYPE 0xff000000UL
#define SERIO_XT 0x00000000UL
#define SERIO_8042 0x01000000UL
#define SERIO_RS232 0x02000000UL
#define SERIO_HIL_MLC 0x03000000UL
#define SERIO_PS_PSTHRU 0x05000000UL
#define SERIO_8042_XL 0x06000000UL
#define SERIO_PROTO 0xFFUL
#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_ID 0xff00UL
#define SERIO_EXTRA 0xff0000UL
#endif
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