x86: share hpet.h with i386

[platform/adaptation/renesas_rcar/renesas_kernel.git] / include / asm-i386 / hpet.h

diff --git a/include/asm-i386/hpet.h b/include/asm-i386/hpet.h
index dddeedf..c82dc7e 100644 (file)
--- a/include/asm-i386/hpet.h
+++ b/include/asm-i386/hpet.h
@@ -4,112 +4,82 @@
 
 #ifdef CONFIG_HPET_TIMER
 
-#include <linux/errno.h>
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/param.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/interrupt.h>
-#include <linux/time.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/smp.h>
-
-#include <asm/io.h>
-#include <asm/smp.h>
-#include <asm/irq.h>
-#include <asm/msr.h>
-#include <asm/delay.h>
-#include <asm/mpspec.h>
-#include <asm/uaccess.h>
-#include <asm/processor.h>
-
-#include <linux/timex.h>
-
 /*
  * 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 <linux/interrupt.h>
+
 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