File: /usr/src/linux/include/asm-sparc64/mc146818rtc.h

1     /*
2      * Machine dependent access functions for RTC registers.
3      */
4     #ifndef __ASM_SPARC64_MC146818RTC_H
5     #define __ASM_SPARC64_MC146818RTC_H
6     
7     #include <linux/config.h>
8     #include <asm/io.h>
9     
10     #ifndef RTC_PORT
11     #ifdef CONFIG_PCI
12     extern unsigned long ds1287_regs;
13     #else
14     #define ds1287_regs (0UL)
15     #endif
16     #define RTC_PORT(x)	(ds1287_regs + (x))
17     #define RTC_ALWAYS_BCD	0
18     #endif
19     
20     /*
21      * The yet supported machines all access the RTC index register via
22      * an ISA port access but the way to access the date register differs ...
23      */
24     #define CMOS_READ(addr) ({ \
25     outb_p((addr),RTC_PORT(0)); \
26     inb_p(RTC_PORT(1)); \
27     })
28     #define CMOS_WRITE(val, addr) ({ \
29     outb_p((addr),RTC_PORT(0)); \
30     outb_p((val),RTC_PORT(1)); \
31     })
32     
33     #define RTC_IRQ 8
34     
35     #endif /* __ASM_SPARC64_MC146818RTC_H */
36