treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / rtc / rtc-s3c.h
blob3552914aa6117f86bc17a0f4e1efabddf8e4040b
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (c) 2003 Simtec Electronics <linux@simtec.co.uk>
4 * http://www.simtec.co.uk/products/SWLINUX/
6 * S3C2410 Internal RTC register definition
7 */
9 #ifndef __ASM_ARCH_REGS_RTC_H
10 #define __ASM_ARCH_REGS_RTC_H __FILE__
12 #define S3C2410_RTCREG(x) (x)
13 #define S3C2410_INTP S3C2410_RTCREG(0x30)
14 #define S3C2410_INTP_ALM (1 << 1)
15 #define S3C2410_INTP_TIC (1 << 0)
17 #define S3C2410_RTCCON S3C2410_RTCREG(0x40)
18 #define S3C2410_RTCCON_RTCEN (1 << 0)
19 #define S3C2410_RTCCON_CNTSEL (1 << 2)
20 #define S3C2410_RTCCON_CLKRST (1 << 3)
21 #define S3C2443_RTCCON_TICSEL (1 << 4)
22 #define S3C64XX_RTCCON_TICEN (1 << 8)
24 #define S3C2410_TICNT S3C2410_RTCREG(0x44)
25 #define S3C2410_TICNT_ENABLE (1 << 7)
27 /* S3C2443: tick count is 15 bit wide
28 * TICNT[6:0] contains upper 7 bits
29 * TICNT1[7:0] contains lower 8 bits
31 #define S3C2443_TICNT_PART(x) ((x & 0x7f00) >> 8)
32 #define S3C2443_TICNT1 S3C2410_RTCREG(0x4C)
33 #define S3C2443_TICNT1_PART(x) (x & 0xff)
35 /* S3C2416: tick count is 32 bit wide
36 * TICNT[6:0] contains bits [14:8]
37 * TICNT1[7:0] contains lower 8 bits
38 * TICNT2[16:0] contains upper 17 bits
40 #define S3C2416_TICNT2 S3C2410_RTCREG(0x48)
41 #define S3C2416_TICNT2_PART(x) ((x & 0xffff8000) >> 15)
43 #define S3C2410_RTCALM S3C2410_RTCREG(0x50)
44 #define S3C2410_RTCALM_ALMEN (1 << 6)
45 #define S3C2410_RTCALM_YEAREN (1 << 5)
46 #define S3C2410_RTCALM_MONEN (1 << 4)
47 #define S3C2410_RTCALM_DAYEN (1 << 3)
48 #define S3C2410_RTCALM_HOUREN (1 << 2)
49 #define S3C2410_RTCALM_MINEN (1 << 1)
50 #define S3C2410_RTCALM_SECEN (1 << 0)
52 #define S3C2410_ALMSEC S3C2410_RTCREG(0x54)
53 #define S3C2410_ALMMIN S3C2410_RTCREG(0x58)
54 #define S3C2410_ALMHOUR S3C2410_RTCREG(0x5c)
56 #define S3C2410_ALMDATE S3C2410_RTCREG(0x60)
57 #define S3C2410_ALMMON S3C2410_RTCREG(0x64)
58 #define S3C2410_ALMYEAR S3C2410_RTCREG(0x68)
60 #define S3C2410_RTCSEC S3C2410_RTCREG(0x70)
61 #define S3C2410_RTCMIN S3C2410_RTCREG(0x74)
62 #define S3C2410_RTCHOUR S3C2410_RTCREG(0x78)
63 #define S3C2410_RTCDATE S3C2410_RTCREG(0x7c)
64 #define S3C2410_RTCMON S3C2410_RTCREG(0x84)
65 #define S3C2410_RTCYEAR S3C2410_RTCREG(0x88)
67 #endif /* __ASM_ARCH_REGS_RTC_H */