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authorLinus Torvalds <torvalds@g5.osdl.org>2005-11-17 13:56:34 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-17 13:56:34 -0500
commit7652aab77fbf6de8bcc69ee6a864270b0da6b3f6 (patch)
treecc380ac53a720a905232463cd8fed9cb27875723 /include/linux/ds17287rtc.h
parentcd02e27b1514a27b2a8ab59755ae6d23d4d8a10f (diff)
parentaec8b7557cf0fc4dac059112328b5aa89271c77e (diff)
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
Diffstat (limited to 'include/linux/ds17287rtc.h')
-rw-r--r--include/linux/ds17287rtc.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/include/linux/ds17287rtc.h b/include/linux/ds17287rtc.h
new file mode 100644
index 00000000000..c281ba42e28
--- /dev/null
+++ b/include/linux/ds17287rtc.h
@@ -0,0 +1,67 @@
1/*
2 * ds17287rtc.h - register definitions for the ds1728[57] RTC / CMOS RAM
3 *
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License. See the file "COPYING" in the main directory of this archive
6 * for more details.
7 *
8 * (C) 2003 Guido Guenther <agx@sigxcpu.org>
9 */
10#ifndef __LINUX_DS17287RTC_H
11#define __LINUX_DS17287RTC_H
12
13#include <linux/rtc.h> /* get the user-level API */
14#include <linux/spinlock.h> /* spinlock_t */
15#include <linux/mc146818rtc.h>
16
17/* Register A */
18#define DS_REGA_DV2 0x40 /* countdown chain */
19#define DS_REGA_DV1 0x20 /* oscillator enable */
20#define DS_REGA_DV0 0x10 /* bank select */
21
22/* bank 1 registers */
23#define DS_B1_MODEL 0x40 /* model number byte */
24#define DS_B1_SN1 0x41 /* serial number byte 1 */
25#define DS_B1_SN2 0x42 /* serial number byte 2 */
26#define DS_B1_SN3 0x43 /* serial number byte 3 */
27#define DS_B1_SN4 0x44 /* serial number byte 4 */
28#define DS_B1_SN5 0x45 /* serial number byte 5 */
29#define DS_B1_SN6 0x46 /* serial number byte 6 */
30#define DS_B1_CRC 0x47 /* CRC byte */
31#define DS_B1_CENTURY 0x48 /* Century byte */
32#define DS_B1_DALARM 0x49 /* date alarm */
33#define DS_B1_XCTRL4A 0x4a /* extendec control register 4a */
34#define DS_B1_XCTRL4B 0x4b /* extendec control register 4b */
35#define DS_B1_RTCADDR2 0x4e /* rtc address 2 */
36#define DS_B1_RTCADDR3 0x4f /* rtc address 3 */
37#define DS_B1_RAMLSB 0x50 /* extended ram LSB */
38#define DS_B1_RAMMSB 0x51 /* extended ram MSB */
39#define DS_B1_RAMDPORT 0x53 /* extended ram data port */
40
41/* register details */
42/* extended control register 4a */
43#define DS_XCTRL4A_VRT2 0x80 /* valid ram and time */
44#define DS_XCTRL4A_INCR 0x40 /* increment progress status */
45#define DS_XCTRL4A_BME 0x20 /* burst mode enable */
46#define DS_XCTRL4A_PAB 0x08 /* power active bar ctrl */
47#define DS_XCTRL4A_RF 0x04 /* ram clear flag */
48#define DS_XCTRL4A_WF 0x02 /* wake up alarm flag */
49#define DS_XCTRL4A_KF 0x01 /* kickstart flag */
50
51/* interrupt causes */
52#define DS_XCTRL4A_IFS (DS_XCTRL4A_RF|DS_XCTRL4A_WF|DS_XCTRL4A_KF)
53
54/* extended control register 4b */
55#define DS_XCTRL4B_ABE 0x80 /* auxiliary battery enable */
56#define DS_XCTRL4B_E32K 0x40 /* enable 32.768 kHz Output */
57#define DS_XCTRL4B_CS 0x20 /* crystal select */
58#define DS_XCTRL4B_RCE 0x10 /* ram clear enable */
59#define DS_XCTRL4B_PRS 0x08 /* PAB resec select */
60#define DS_XCTRL4B_RIE 0x04 /* ram clear interrupt enable */
61#define DS_XCTRL4B_WFE 0x02 /* wake up alarm interrupt enable */
62#define DS_XCTRL4B_KFE 0x01 /* kickstart interrupt enable */
63
64/* interrupt enable bits */
65#define DS_XCTRL4B_IFES (DS_XCTRL4B_RIE|DS_XCTRL4B_WFE|DS_XCTRL4B_KFE)
66
67#endif /* __LINUX_DS17287RTC_H */