#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/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]; unsigned int manual_bind; 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; unsigned int registered; /* port has been fully registered with driver core */ 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; unsigned int 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 serio_register_driver(struct serio_driver *drv) { return __serio_register_driver(drv, THIS_MODULE, KBUILD_MODNAME); } int 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); } /* * 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 types */ #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 #endif