patch-2.4.22 linux-2.4.22/include/asm-mips/time.h

• Lines: 91
• Date: 2003-08-25 04:44:44.000000000 -0700
• Orig file: linux-2.4.21/include/asm-mips/time.h
• Orig date: 2002-11-28 15:53:15.000000000 -0800

diff -urN linux-2.4.21/include/asm-mips/time.h linux-2.4.22/include/asm-mips/time.h
@@ -1,6 +1,7 @@
 /*
  * Copyright (C) 2001, 2002, MontaVista Software Inc.
  * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
+ * Copyright (c) 2003  Maciej W. Rozycki
  *
  * include/asm-mips/time.h
  *     header file for the new style time.c file and time services.
@@ -13,7 +14,7 @@
  */
 
 /*
- * Please refer to Documentation/MIPS/time.README.
+ * Please refer to Documentation/mips/time.README.
  */
 
 #ifndef _ASM_TIME_H
@@ -24,32 +25,43 @@
 #include <linux/rtc.h>                  /* for struct rtc_time */
 
 /*
- * RTC ops.  By default, they point a no-RTC functions.
+ * RTC ops.  By default, they point to no-RTC functions.
  *	rtc_get_time - mktime(year, mon, day, hour, min, sec) in seconds.
  *	rtc_set_time - reverse the above translation and set time to RTC.
+ *	rtc_set_mmss - similar to rtc_set_time, but only min and sec need
+ *			to be set.  Used by RTC sync-up.
  */
 extern unsigned long (*rtc_get_time)(void);
 extern int (*rtc_set_time)(unsigned long);
+extern int (*rtc_set_mmss)(unsigned long);
+
+/*
+ * Timer interrupt ack function.
+ * May be NULL if the interrupt is self-recoverable.
+ */
+extern void (*mips_timer_ack)(void);
+
+/*
+ * High precision timer functions.
+ * If mips_hpt_read is NULL, an R4k-compatible timer setup is attempted.
+ */
+extern unsigned int (*mips_hpt_read)(void);
+extern void (*mips_hpt_init)(unsigned int);
 
 /*
  * to_tm() converts system time back to (year, mon, day, hour, min, sec).
  * It is intended to help implement rtc_set_time() functions.
  * Copied from PPC implementation.
  */
-extern void to_tm(unsigned long tim, struct rtc_time * tm);
+extern void to_tm(unsigned long tim, struct rtc_time *tm);
 
 /*
  * 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, which gives ~1us resolution.
+ * Higher resolution versions are available, which give ~1us resolution.
  */
 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.
  */
@@ -58,17 +70,17 @@
 /*
  * the corresponding low-level timer interrupt routine.
  */
-asmlinkage void ll_timer_interrupt(int irq, struct pt_regs *regs);
+extern asmlinkage void ll_timer_interrupt(int irq, struct pt_regs *regs);
 
 /*
  * profiling and process accouting is done separately in local_timer_interrupt
  */
-void local_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs);
-asmlinkage void ll_local_timer_interrupt(int irq, struct pt_regs *regs);
+extern void local_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+extern asmlinkage void ll_local_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_time_init is defaulted to NULL and can remain so.
  * board_timer_setup must be setup properly in machine setup routine.
  */
 struct irqaction;