| #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 |
| #define SERIO_INEXIO 0x37 |
| |
| #endif |