[PATCH] asm/signal.h unification
[linux-2.6] / include / asm-x86_64 / hpet.h
1 #ifndef _ASM_X8664_HPET_H
2 #define _ASM_X8664_HPET_H 1
3
4 /*
5  * Documentation on HPET can be found at:
6  *      http://www.intel.com/ial/home/sp/pcmmspec.htm
7  *      ftp://download.intel.com/ial/home/sp/mmts098.pdf
8  */
9
10 #define HPET_MMAP_SIZE  1024
11
12 #define HPET_ID         0x000
13 #define HPET_PERIOD     0x004
14 #define HPET_CFG        0x010
15 #define HPET_STATUS     0x020
16 #define HPET_COUNTER    0x0f0
17 #define HPET_T0_CFG     0x100
18 #define HPET_T0_CMP     0x108
19 #define HPET_T0_ROUTE   0x110
20 #define HPET_T1_CFG     0x120
21 #define HPET_T1_CMP     0x128
22 #define HPET_T1_ROUTE   0x130
23 #define HPET_T2_CFG     0x140
24 #define HPET_T2_CMP     0x148
25 #define HPET_T2_ROUTE   0x150
26
27 #define HPET_ID_VENDOR  0xffff0000
28 #define HPET_ID_LEGSUP  0x00008000
29 #define HPET_ID_NUMBER  0x00001f00
30 #define HPET_ID_REV     0x000000ff
31 #define HPET_ID_NUMBER_SHIFT    8
32
33 #define HPET_ID_VENDOR_SHIFT    16
34 #define HPET_ID_VENDOR_8086     0x8086
35
36 #define HPET_CFG_ENABLE 0x001
37 #define HPET_CFG_LEGACY 0x002
38 #define HPET_LEGACY_8254        2
39 #define HPET_LEGACY_RTC         8
40
41 #define HPET_TN_ENABLE          0x004
42 #define HPET_TN_PERIODIC        0x008
43 #define HPET_TN_PERIODIC_CAP    0x010
44 #define HPET_TN_SETVAL          0x040
45 #define HPET_TN_32BIT           0x100
46
47 extern int is_hpet_enabled(void);
48 extern int hpet_rtc_timer_init(void);
49 extern int oem_force_hpet_timer(void);
50
51 #ifdef CONFIG_HPET_EMULATE_RTC
52 extern int hpet_mask_rtc_irq_bit(unsigned long bit_mask);
53 extern int hpet_set_rtc_irq_bit(unsigned long bit_mask);
54 extern int hpet_set_alarm_time(unsigned char hrs, unsigned char min, unsigned char sec);
55 extern int hpet_set_periodic_freq(unsigned long freq);
56 extern int hpet_rtc_dropped_irq(void);
57 extern int hpet_rtc_timer_init(void);
58 #endif /* CONFIG_HPET_EMULATE_RTC */
59
60 #endif