serio.h
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上传日期:2009-04-28
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文件大小:5k
- #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/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;
- 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;
- 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, struct pt_regs *);
- 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, struct pt_regs *regs);
- 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);
- void __serio_unregister_port_delayed(struct serio *serio, struct module *owner);
- static inline void serio_unregister_port_delayed(struct serio *serio)
- {
- __serio_unregister_port_delayed(serio, THIS_MODULE);
- }
- void __serio_register_driver(struct serio_driver *drv, struct module *owner);
- static inline void serio_register_driver(struct serio_driver *drv)
- {
- __serio_register_driver(drv, THIS_MODULE);
- }
- 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 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 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_pin_driver_uninterruptible(struct serio *serio)
- {
- down(&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
- /*
- * 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
- #endif