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