MIPS time code rewrite.

1 files changed, 63 insertions, 0 deletions

diff --git a/include/asm-mips/time.h b/include/asm-mips/time.h
new file mode 100644
index 000000000..2c07d42de
--- /dev/null
+++ b/include/asm-mips/time.h
@@ -0,0 +1,63 @@
+/***********************************************************************
+ * Copyright 2001 MontaVista Software Inc.
+ * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
+ *
+ * include/asm-mips/time.h
+ *     header file for the new style time.c file and time services.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ ***********************************************************************
+ */
+
+#ifndef _ASM_TIME_H
+#define _ASM_TIME_H
+
+/* 
+ * RTC ops.  By default, they point a no-RTC functions.
+ *	rtc_get_time - mktime(year, mon, day, hour, min, sec) in seconds.
+ *	rtc_set_time - reverse the above translation
+ */
+extern unsigned long (*rtc_get_time)(void);
+extern int (*rtc_set_time)(unsigned long);
+
+/*
+ * do_gettimeoffset(). By default, this func pointer points to 
+ * do_null_gettimeoffset(), which leads to the same resolution as HZ.
+ * Higher resolution versions are vailable.
+ */
+extern unsigned long (*do_gettimeoffset)(void);
+
+extern unsigned long null_gettimeoffset(void);
+extern unsigned long fixed_rate_gettimeoffset(void);
+extern unsigned long calibrate_div32_gettimeoffset(void);
+extern unsigned long calibrate_div64_gettimeoffset(void);
+
+/*
+ * high-level timer interrupt routines.
+ */
+extern void timer_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+
+/*
+ * the corresponding low-level timer interrupt routine.
+ */
+asmlinkage void ll_timer_interrupt(int irq, struct pt_regs *regs);
+
+/*
+ * board specific routines required by time_init().
+ * board_time_init is defaulted to NULL and can remains so.
+ * board_timer_setup must be setup properly in machine setup routine.
+ */
+struct irqaction;
+extern void (*board_time_init)(void);
+extern void (*board_timer_setup)(struct irqaction *irq);
+
+/*
+ * mips_counter_frequency - must be set if you intend to use
+ * counter as timer interrupt source or use fixed_rate_gettimeoffset.
+ */
+extern unsigned int mips_counter_frequency;
+
+#endif /* _ASM_TIME_H */