projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| Commit | Line | Data |
|---|---|---|
| 77ef50a5 VN |
1 | #ifndef ASM_X86__HPET_H |
| 2 | #define ASM_X86__HPET_H | |
| b8ce3359 TG |
3 | |
| 4 | #ifdef CONFIG_HPET_TIMER | |
| 5 | ||
| b8ce3359 TG |
6 | #define HPET_MMAP_SIZE 1024 |
| 7 | ||
| 8 | #define HPET_ID 0x000 | |
| 9 | #define HPET_PERIOD 0x004 | |
| 10 | #define HPET_CFG 0x010 | |
| 11 | #define HPET_STATUS 0x020 | |
| 12 | #define HPET_COUNTER 0x0f0 | |
| 13 | #define HPET_T0_CFG 0x100 | |
| 14 | #define HPET_T0_CMP 0x108 | |
| 15 | #define HPET_T0_ROUTE 0x110 | |
| 16 | #define HPET_T1_CFG 0x120 | |
| 17 | #define HPET_T1_CMP 0x128 | |
| 18 | #define HPET_T1_ROUTE 0x130 | |
| 19 | #define HPET_T2_CFG 0x140 | |
| 20 | #define HPET_T2_CMP 0x148 | |
| 21 | #define HPET_T2_ROUTE 0x150 | |
| 22 | ||
| 23 | #define HPET_ID_REV 0x000000ff | |
| 24 | #define HPET_ID_NUMBER 0x00001f00 | |
| 25 | #define HPET_ID_64BIT 0x00002000 | |
| 26 | #define HPET_ID_LEGSUP 0x00008000 | |
| 27 | #define HPET_ID_VENDOR 0xffff0000 | |
| 28 | #define HPET_ID_NUMBER_SHIFT 8 | |
| 29 | #define HPET_ID_VENDOR_SHIFT 16 | |
| 30 | ||
| 31 | #define HPET_ID_VENDOR_8086 0x8086 | |
| 32 | ||
| 33 | #define HPET_CFG_ENABLE 0x001 | |
| 34 | #define HPET_CFG_LEGACY 0x002 | |
| 35 | #define HPET_LEGACY_8254 2 | |
| 36 | #define HPET_LEGACY_RTC 8 | |
| 37 | ||
| 38 | #define HPET_TN_LEVEL 0x0002 | |
| 39 | #define HPET_TN_ENABLE 0x0004 | |
| 40 | #define HPET_TN_PERIODIC 0x0008 | |
| 41 | #define HPET_TN_PERIODIC_CAP 0x0010 | |
| 42 | #define HPET_TN_64BIT_CAP 0x0020 | |
| 43 | #define HPET_TN_SETVAL 0x0040 | |
| 44 | #define HPET_TN_32BIT 0x0100 | |
| 45 | #define HPET_TN_ROUTE 0x3e00 | |
| 46 | #define HPET_TN_FSB 0x4000 | |
| 47 | #define HPET_TN_FSB_CAP 0x8000 | |
| 48 | #define HPET_TN_ROUTE_SHIFT 9 | |
| 49 | ||
| 50 | /* Max HPET Period is 10^8 femto sec as in HPET spec */ | |
| 51 | #define HPET_MAX_PERIOD 100000000UL | |
| 52 | /* | |
| 53 | * Min HPET period is 10^5 femto sec just for safety. If it is less than this, | |
| 54 | * then 32 bit HPET counter wrapsaround in less than 0.5 sec. | |
| 55 | */ | |
| 56 | #define HPET_MIN_PERIOD 100000UL | |
| 57 | ||
| 58 | /* hpet memory map physical address */ | |
| 59 | extern unsigned long hpet_address; | |
| 59c69f2a | 60 | extern unsigned long force_hpet_address; |
| b17530bd | 61 | extern int hpet_force_user; |
| b8ce3359 TG |
62 | extern int is_hpet_enabled(void); |
| 63 | extern int hpet_enable(void); | |
| c86c7fbc | 64 | extern void hpet_disable(void); |
| 31c435d7 | 65 | extern unsigned long hpet_readl(unsigned long a); |
| bfe0c1cc | 66 | extern void force_hpet_resume(void); |
| b8ce3359 TG |
67 | |
| 68 | #ifdef CONFIG_HPET_EMULATE_RTC | |
| 69 | ||
| 70 | #include <linux/interrupt.h> | |
| 71 | ||
| 1bdbdaac | 72 | typedef irqreturn_t (*rtc_irq_handler)(int interrupt, void *cookie); |
| b8ce3359 TG |
73 | extern int hpet_mask_rtc_irq_bit(unsigned long bit_mask); |
| 74 | extern int hpet_set_rtc_irq_bit(unsigned long bit_mask); | |
| 75 | extern int hpet_set_alarm_time(unsigned char hrs, unsigned char min, | |
| 76 | unsigned char sec); | |
| 77 | extern int hpet_set_periodic_freq(unsigned long freq); | |
| 78 | extern int hpet_rtc_dropped_irq(void); | |
| 79 | extern int hpet_rtc_timer_init(void); | |
| 80 | extern irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id); | |
| 1bdbdaac BW |
81 | extern int hpet_register_irq_handler(rtc_irq_handler handler); |
| 82 | extern void hpet_unregister_irq_handler(rtc_irq_handler handler); | |
| b8ce3359 TG |
83 | |
| 84 | #endif /* CONFIG_HPET_EMULATE_RTC */ | |
| 85 | ||
| df619e6b | 86 | #else /* CONFIG_HPET_TIMER */ |
| b8ce3359 TG |
87 | |
| 88 | static inline int hpet_enable(void) { return 0; } | |
| df619e6b | 89 | static inline int is_hpet_enabled(void) { return 0; } |
| bfc0f594 | 90 | #define hpet_readl(a) 0 |
| b8ce3359 | 91 | |
| df619e6b | 92 | #endif |
| 77ef50a5 | 93 | #endif /* ASM_X86__HPET_H */ |