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-rw-r--r--include/linux/serio.h214
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