From 0655d7c32bd21685a58fc4636f378d086396eb68 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Sat, 21 Jul 2007 17:10:16 +0200 Subject: x86: share hpet.h with i386 hpet.h in asm-i386 and asm-x86_64 contain tons of duplicated stuff. Consolidate into one shared header file. AK: Fix i386 compilation with !X86_IO_APIC Signed-off-by: Thomas Gleixner Signed-off-by: Chris Wright Signed-off-by: Ingo Molnar Signed-off-by: Andi Kleen Signed-off-by: Linus Torvalds --- include/asm-i386/hpet.h | 126 ++++++++++++++++++------------------------------ 1 file changed, 48 insertions(+), 78 deletions(-) (limited to 'include/asm-i386/hpet.h') diff --git a/include/asm-i386/hpet.h b/include/asm-i386/hpet.h index dddeedf504b..c82dc7ed96b 100644 --- a/include/asm-i386/hpet.h +++ b/include/asm-i386/hpet.h @@ -4,112 +4,82 @@ #ifdef CONFIG_HPET_TIMER -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include - -#include - /* * Documentation on HPET can be found at: * http://www.intel.com/ial/home/sp/pcmmspec.htm * ftp://download.intel.com/ial/home/sp/mmts098.pdf */ -#define HPET_MMAP_SIZE 1024 - -#define HPET_ID 0x000 -#define HPET_PERIOD 0x004 -#define HPET_CFG 0x010 -#define HPET_STATUS 0x020 -#define HPET_COUNTER 0x0f0 -#define HPET_T0_CFG 0x100 -#define HPET_T0_CMP 0x108 -#define HPET_T0_ROUTE 0x110 -#define HPET_T1_CFG 0x120 -#define HPET_T1_CMP 0x128 -#define HPET_T1_ROUTE 0x130 -#define HPET_T2_CFG 0x140 -#define HPET_T2_CMP 0x148 -#define HPET_T2_ROUTE 0x150 - -#define HPET_ID_LEGSUP 0x00008000 -#define HPET_ID_NUMBER 0x00001f00 -#define HPET_ID_REV 0x000000ff +#define HPET_MMAP_SIZE 1024 + +#define HPET_ID 0x000 +#define HPET_PERIOD 0x004 +#define HPET_CFG 0x010 +#define HPET_STATUS 0x020 +#define HPET_COUNTER 0x0f0 +#define HPET_T0_CFG 0x100 +#define HPET_T0_CMP 0x108 +#define HPET_T0_ROUTE 0x110 +#define HPET_T1_CFG 0x120 +#define HPET_T1_CMP 0x128 +#define HPET_T1_ROUTE 0x130 +#define HPET_T2_CFG 0x140 +#define HPET_T2_CMP 0x148 +#define HPET_T2_ROUTE 0x150 + +#define HPET_ID_REV 0x000000ff +#define HPET_ID_NUMBER 0x00001f00 +#define HPET_ID_64BIT 0x00002000 +#define HPET_ID_LEGSUP 0x00008000 +#define HPET_ID_VENDOR 0xffff0000 #define HPET_ID_NUMBER_SHIFT 8 +#define HPET_ID_VENDOR_SHIFT 16 -#define HPET_CFG_ENABLE 0x001 -#define HPET_CFG_LEGACY 0x002 +#define HPET_ID_VENDOR_8086 0x8086 + +#define HPET_CFG_ENABLE 0x001 +#define HPET_CFG_LEGACY 0x002 #define HPET_LEGACY_8254 2 #define HPET_LEGACY_RTC 8 -#define HPET_TN_ENABLE 0x004 -#define HPET_TN_PERIODIC 0x008 -#define HPET_TN_PERIODIC_CAP 0x010 -#define HPET_TN_SETVAL 0x040 -#define HPET_TN_32BIT 0x100 - -/* Use our own asm for 64 bit multiply/divide */ -#define ASM_MUL64_REG(eax_out,edx_out,reg_in,eax_in) \ - __asm__ __volatile__("mull %2" \ - :"=a" (eax_out), "=d" (edx_out) \ - :"r" (reg_in), "0" (eax_in)) +#define HPET_TN_LEVEL 0x0002 +#define HPET_TN_ENABLE 0x0004 +#define HPET_TN_PERIODIC 0x0008 +#define HPET_TN_PERIODIC_CAP 0x0010 +#define HPET_TN_64BIT_CAP 0x0020 +#define HPET_TN_SETVAL 0x0040 +#define HPET_TN_32BIT 0x0100 +#define HPET_TN_ROUTE 0x3e00 +#define HPET_TN_FSB 0x4000 +#define HPET_TN_FSB_CAP 0x8000 +#define HPET_TN_ROUTE_SHIFT 9 -#define ASM_DIV64_REG(eax_out,edx_out,reg_in,eax_in,edx_in) \ - __asm__ __volatile__("divl %2" \ - :"=a" (eax_out), "=d" (edx_out) \ - :"r" (reg_in), "0" (eax_in), "1" (edx_in)) - -#define KERNEL_TICK_USEC (1000000UL/HZ) /* tick value in microsec */ /* Max HPET Period is 10^8 femto sec as in HPET spec */ -#define HPET_MAX_PERIOD (100000000UL) +#define HPET_MAX_PERIOD 100000000UL /* * Min HPET period is 10^5 femto sec just for safety. If it is less than this, * then 32 bit HPET counter wrapsaround in less than 0.5 sec. */ -#define HPET_MIN_PERIOD (100000UL) -#define HPET_TICK_RATE (HZ * 100000UL) +#define HPET_MIN_PERIOD 100000UL -extern unsigned long hpet_address; /* hpet memory map physical address */ +/* hpet memory map physical address */ +extern unsigned long hpet_address; extern int is_hpet_enabled(void); - -#ifdef CONFIG_X86_64 -extern unsigned long hpet_tick; /* hpet clks count per tick */ -extern int hpet_use_timer; -extern int hpet_rtc_timer_init(void); extern int hpet_enable(void); -extern int is_hpet_capable(void); -extern int hpet_readl(unsigned long a); -#else -extern int hpet_enable(void); -#endif #ifdef CONFIG_HPET_EMULATE_RTC + +#include + extern int hpet_mask_rtc_irq_bit(unsigned long bit_mask); extern int hpet_set_rtc_irq_bit(unsigned long bit_mask); -extern int hpet_set_alarm_time(unsigned char hrs, unsigned char min, unsigned char sec); +extern int hpet_set_alarm_time(unsigned char hrs, unsigned char min, + unsigned char sec); extern int hpet_set_periodic_freq(unsigned long freq); extern int hpet_rtc_dropped_irq(void); extern int hpet_rtc_timer_init(void); extern irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id); + #endif /* CONFIG_HPET_EMULATE_RTC */ #else -- cgit v1.2.3-70-g09d2