Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / char / nwbutton.h

diff --git a/kernel/drivers/char/nwbutton.h b/kernel/drivers/char/nwbutton.h
new file mode 100644 (file)
index 0000000..c3ebc16
--- /dev/null
+++ b/kernel/drivers/char/nwbutton.h
@@ -0,0 +1,40 @@
+#ifndef __NWBUTTON_H
+#define __NWBUTTON_H
+
+/*
+ *     NetWinder Button Driver-
+ *     Copyright (C) Alex Holden <alex@linuxhacker.org> 1998, 1999.
+ */
+
+#ifdef __NWBUTTON_C    /* Actually compiling the driver itself */
+
+/* Various defines: */
+
+#define NUM_PRESSES_REBOOT 2   /* How many presses to activate shutdown */
+#define BUTTON_DELAY 30        /* How many jiffies for sequence to end */
+#define VERSION "0.3"          /* Driver version number */
+#define BUTTON_MINOR 158       /* Major 10, Minor 158, /dev/nwbutton */
+
+/* Structure definitions: */
+
+struct button_callback {
+       void (*callback) (void);
+       int count;
+};
+
+/* Function prototypes: */
+
+static void button_sequence_finished (unsigned long parameters);
+static irqreturn_t button_handler (int irq, void *dev_id);
+int button_init (void);
+int button_add_callback (void (*callback) (void), int count);
+int button_del_callback (void (*callback) (void));
+static void button_consume_callbacks (int bpcount);
+
+#else /* Not compiling the driver itself */
+
+extern int button_add_callback (void (*callback) (void), int count);
+extern int button_del_callback (void (*callback) (void));
+
+#endif /* __NWBUTTON_C */
+#endif /* __NWBUTTON_H */