diff options
Diffstat (limited to 'include/linux/serio.h')
| -rw-r--r-- | include/linux/serio.h | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/include/linux/serio.h b/include/linux/serio.h new file mode 100644 index 000000000000..a2d3b9ae06f4 --- /dev/null +++ b/include/linux/serio.h @@ -0,0 +1,214 @@ +#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_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_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 |