diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/rtc/rtc-efi.c | 66 |
1 files changed, 62 insertions, 4 deletions
diff --git a/drivers/rtc/rtc-efi.c b/drivers/rtc/rtc-efi.c index 3806961b4348..96d38609d803 100644 --- a/drivers/rtc/rtc-efi.c +++ b/drivers/rtc/rtc-efi.c @@ -191,11 +191,69 @@ static int efi_set_time(struct device *dev, struct rtc_time *tm) return status == EFI_SUCCESS ? 0 : -EINVAL; } +static int efi_procfs(struct device *dev, struct seq_file *seq) +{ + efi_time_t eft, alm; + efi_time_cap_t cap; + efi_bool_t enabled, pending; + + memset(&eft, 0, sizeof(eft)); + memset(&alm, 0, sizeof(alm)); + memset(&cap, 0, sizeof(cap)); + + efi.get_time(&eft, &cap); + efi.get_wakeup_time(&enabled, &pending, &alm); + + seq_printf(seq, + "Time\t\t: %u:%u:%u.%09u\n" + "Date\t\t: %u-%u-%u\n" + "Daylight\t: %u\n", + eft.hour, eft.minute, eft.second, eft.nanosecond, + eft.year, eft.month, eft.day, + eft.daylight); + + if (eft.timezone == EFI_UNSPECIFIED_TIMEZONE) + seq_puts(seq, "Timezone\t: unspecified\n"); + else + /* XXX fixme: convert to string? */ + seq_printf(seq, "Timezone\t: %u\n", eft.timezone); + + seq_printf(seq, + "Alarm Time\t: %u:%u:%u.%09u\n" + "Alarm Date\t: %u-%u-%u\n" + "Alarm Daylight\t: %u\n" + "Enabled\t\t: %s\n" + "Pending\t\t: %s\n", + alm.hour, alm.minute, alm.second, alm.nanosecond, + alm.year, alm.month, alm.day, + alm.daylight, + enabled == 1 ? "yes" : "no", + pending == 1 ? "yes" : "no"); + + if (eft.timezone == EFI_UNSPECIFIED_TIMEZONE) + seq_puts(seq, "Timezone\t: unspecified\n"); + else + /* XXX fixme: convert to string? */ + seq_printf(seq, "Timezone\t: %u\n", alm.timezone); + + /* + * now prints the capabilities + */ + seq_printf(seq, + "Resolution\t: %u\n" + "Accuracy\t: %u\n" + "SetstoZero\t: %u\n", + cap.resolution, cap.accuracy, cap.sets_to_zero); + + return 0; +} + static const struct rtc_class_ops efi_rtc_ops = { - .read_time = efi_read_time, - .set_time = efi_set_time, - .read_alarm = efi_read_alarm, - .set_alarm = efi_set_alarm, + .read_time = efi_read_time, + .set_time = efi_set_time, + .read_alarm = efi_read_alarm, + .set_alarm = efi_set_alarm, + .proc = efi_procfs, }; static int __init efi_rtc_probe(struct platform_device *dev) |