projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 2e774c7c MZ |
1 | /* |
| 2 | * include/linux/rtc/m48t59.h | |
| 3 | * | |
| 4 | * Definitions for the platform data of m48t59 RTC chip driver. | |
| 5 | * | |
| 6 | * Copyright (c) 2007 Wind River Systems, Inc. | |
| 7 | * | |
| 8 | * Mark Zhan <rongkai.zhan@windriver.com> | |
| 9 | * | |
| 10 | * This program is free software; you can redistribute it and/or modify | |
| 11 | * it under the terms of the GNU General Public License version 2 as | |
| 12 | * published by the Free Software Foundation. | |
| 13 | */ | |
| 14 | ||
| 15 | #ifndef _LINUX_RTC_M48T59_H_ | |
| 16 | #define _LINUX_RTC_M48T59_H_ | |
| 17 | ||
| 18 | /* | |
| 19 | * M48T59 Register Offset | |
| 20 | */ | |
| 94fe7424 KH |
21 | #define M48T59_YEAR 0xf |
| 22 | #define M48T59_MONTH 0xe | |
| 23 | #define M48T59_MDAY 0xd /* Day of Month */ | |
| 24 | #define M48T59_WDAY 0xc /* Day of Week */ | |
| 2e774c7c MZ |
25 | #define M48T59_WDAY_CB 0x20 /* Century Bit */ |
| 26 | #define M48T59_WDAY_CEB 0x10 /* Century Enable Bit */ | |
| 94fe7424 KH |
27 | #define M48T59_HOUR 0xb |
| 28 | #define M48T59_MIN 0xa | |
| 29 | #define M48T59_SEC 0x9 | |
| 30 | #define M48T59_CNTL 0x8 | |
| 2e774c7c MZ |
31 | #define M48T59_CNTL_READ 0x40 |
| 32 | #define M48T59_CNTL_WRITE 0x80 | |
| 94fe7424 KH |
33 | #define M48T59_WATCHDOG 0x7 |
| 34 | #define M48T59_INTR 0x6 | |
| 2e774c7c MZ |
35 | #define M48T59_INTR_AFE 0x80 /* Alarm Interrupt Enable */ |
| 36 | #define M48T59_INTR_ABE 0x20 | |
| 94fe7424 KH |
37 | #define M48T59_ALARM_DATE 0x5 |
| 38 | #define M48T59_ALARM_HOUR 0x4 | |
| 39 | #define M48T59_ALARM_MIN 0x3 | |
| 40 | #define M48T59_ALARM_SEC 0x2 | |
| 41 | #define M48T59_UNUSED 0x1 | |
| 42 | #define M48T59_FLAGS 0x0 | |
| 2e774c7c MZ |
43 | #define M48T59_FLAGS_WDT 0x80 /* watchdog timer expired */ |
| 44 | #define M48T59_FLAGS_AF 0x40 /* alarm */ | |
| 45 | #define M48T59_FLAGS_BF 0x10 /* low battery */ | |
| 46 | ||
| 94fe7424 KH |
47 | #define M48T59RTC_TYPE_M48T59 0 /* to keep compatibility */ |
| 48 | #define M48T59RTC_TYPE_M48T02 1 | |
| 49 | #define M48T59RTC_TYPE_M48T08 2 | |
| 2e774c7c MZ |
50 | |
| 51 | struct m48t59_plat_data { | |
| 94fe7424 | 52 | /* The method to access M48T59 registers */ |
| 2e774c7c MZ |
53 | void (*write_byte)(struct device *dev, u32 ofs, u8 val); |
| 54 | unsigned char (*read_byte)(struct device *dev, u32 ofs); | |
| 94fe7424 KH |
55 | |
| 56 | int type; /* RTC model */ | |
| 57 | ||
| 64151ad5 KH |
58 | /* ioaddr mapped externally */ |
| 59 | void __iomem *ioaddr; | |
| 94fe7424 KH |
60 | /* offset to RTC registers, automatically set according to the type */ |
| 61 | unsigned int offset; | |
| 2e774c7c MZ |
62 | }; |
| 63 | ||
| 64 | #endif /* _LINUX_RTC_M48T59_H_ */ |