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/**
* Copyright (c) 2012 Anup Patel.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* @file cmd_rtcdev.c
* @author Anup Patel (anup@brainfault.org)
* @brief Implementation of rtcdev command
*/
#include <vmm_error.h>
#include <vmm_stdio.h>
#include <vmm_devtree.h>
#include <vmm_modules.h>
#include <vmm_cmdmgr.h>
#include <rtc/vmm_rtcdev.h>
#include <stringlib.h>
#define MODULE_DESC "Command rtcdev"
#define MODULE_AUTHOR "Anup Patel"
#define MODULE_LICENSE "GPL"
#define MODULE_IPRIORITY (VMM_RTCDEV_CLASS_IPRIORITY+1)
#define MODULE_INIT cmd_rtcdev_init
#define MODULE_EXIT cmd_rtcdev_exit
void cmd_rtcdev_usage(struct vmm_chardev *cdev)
{
vmm_cprintf(cdev, "Usage:\n");
vmm_cprintf(cdev, " rtcdev help\n");
vmm_cprintf(cdev, " rtcdev list\n");
vmm_cprintf(cdev, " rtcdev sync_wallclock <rtc_name>\n");
vmm_cprintf(cdev, " rtcdev sync_device <rtc_name>\n");
vmm_cprintf(cdev, " rtcdev get_time <rtc_name>\n");
vmm_cprintf(cdev, " rtcdev set_time <rtc_name> "
"<hour>:<min>:<sec> <day> <month> <year>\n");
vmm_cprintf(cdev, "Note:\n");
vmm_cprintf(cdev, " RTC devices keep track of "
"time in UTC/GMT timezone only\n");
vmm_cprintf(cdev, " <hour> = any value between 0..23\n");
vmm_cprintf(cdev, " <minute> = any value between 0..59\n");
vmm_cprintf(cdev, " <second> = any value between 0..59\n");
vmm_cprintf(cdev, " <day> = any value between 0..31\n");
vmm_cprintf(cdev, " <month> = Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|"
"Sep|Oct|Nov|Dec\n");
vmm_cprintf(cdev, " <year> = any value greater than 1970\n");
}
void cmd_rtcdev_list(struct vmm_chardev *cdev)
{
int num, count;
char path[1024];
struct vmm_rtcdev *rd;
count = vmm_rtcdev_count();
for (num = 0; num < count; num++) {
rd = vmm_rtcdev_get(num);
if (!rd->dev) {
vmm_cprintf(cdev, "%s: ---\n", rd->name);
} else {
vmm_devtree_getpath(path, rd->dev->node);
vmm_cprintf(cdev, "%s: %s\n", rd->name, path);
}
}
}
int cmd_rtcdev_sync_wallclock(struct vmm_chardev *cdev, const char * name)
{
int rc;
struct vmm_rtcdev * rtc = vmm_rtcdev_find(name);
if (!rtc) {
vmm_cprintf(cdev, "Error: cannot find rtc %s\n", name);
return VMM_EFAIL;
}
rc = vmm_rtcdev_sync_wallclock(rtc);
if (rc) {
vmm_cprintf(cdev, "Error: sync_wallclock failed for rtc %s\n",
name);
return rc;
}
return VMM_OK;
}
int cmd_rtcdev_sync_device(struct vmm_chardev *cdev, const char * name)
{
int rc;
struct vmm_rtcdev * rtc = vmm_rtcdev_find(name);
if (!rtc) {
vmm_cprintf(cdev, "Error: cannot find rtc %s\n", name);
return VMM_EFAIL;
}
rc = vmm_rtcdev_sync_device(rtc);
if (rc) {
vmm_cprintf(cdev, "Error: sync_device failed for rtc %s\n",
name);
return rc;
}
return VMM_OK;
}
int cmd_rtcdev_get_time(struct vmm_chardev *cdev, const char * name)
{
int rc;
struct vmm_rtc_time tm;
struct vmm_rtcdev * rtc = vmm_rtcdev_find(name);
if (!rtc) {
vmm_cprintf(cdev, "Error: cannot find rtc %s\n", name);
return VMM_EFAIL;
}
rc = vmm_rtcdev_get_time(rtc, &tm);
if (rc) {
vmm_cprintf(cdev, "Error: get_time failed for rtc %s\n", name);
return rc;
}
switch (tm.tm_wday) {
case 0:
vmm_cprintf(cdev, "%s ", "Sun");
break;
case 1:
vmm_cprintf(cdev, "%s ", "Mon");
break;
case 2:
vmm_cprintf(cdev, "%s ", "Tue");
break;
case 3:
vmm_cprintf(cdev, "%s ", "Wed");
break;
case 4:
vmm_cprintf(cdev, "%s ", "Thu");
break;
case 5:
vmm_cprintf(cdev, "%s ", "Fri");
break;
case 6:
vmm_cprintf(cdev, "%s ", "Sat");
break;
default:
vmm_cprintf(cdev, "Error: Invalid day of week\n");
};
switch (tm.tm_mon) {
case 0:
vmm_cprintf(cdev, "%s ", "Jan");
break;
case 1:
vmm_cprintf(cdev, "%s ", "Feb");
break;
case 2:
vmm_cprintf(cdev, "%s ", "Mar");
break;
case 3:
vmm_cprintf(cdev, "%s ", "Apr");
break;
case 4:
vmm_cprintf(cdev, "%s ", "May");
break;
case 5:
vmm_cprintf(cdev, "%s ", "Jun");
break;
case 6:
vmm_cprintf(cdev, "%s ", "Jul");
break;
case 7:
vmm_cprintf(cdev, "%s ", "Aug");
break;
case 8:
vmm_cprintf(cdev, "%s ", "Sep");
break;
case 9:
vmm_cprintf(cdev, "%s ", "Oct");
break;
case 10:
vmm_cprintf(cdev, "%s ", "Nov");
break;
case 11:
vmm_cprintf(cdev, "%s ", "Dec");
break;
default:
vmm_cprintf(cdev, "Error: Invalid month\n");
};
vmm_cprintf(cdev, "%2d %d:%d:%d UTC %d", tm.tm_mday,
tm.tm_hour, tm.tm_min, tm.tm_sec,
tm.tm_year + 1900);
vmm_cprintf(cdev, "\n");
return VMM_OK;
}
int cmd_rtcdev_set_time(struct vmm_chardev *cdev, const char * name,
int targc, char **targv)
{
int rc;
char * s;
struct vmm_rtc_time tm;
struct vmm_rtcdev * rtc = vmm_rtcdev_find(name);
if (!rtc) {
vmm_cprintf(cdev, "Error: cannot find rtc %s\n", name);
return VMM_EFAIL;
}
s = targv[0];
rc = 0;
tm.tm_hour = 0;
tm.tm_min = 0;
tm.tm_sec = 0;
while (*s) {
if (*s == ':') {
rc++;
} else if ('0' <= *s && *s <= '9') {
switch(rc) {
case 0:
tm.tm_hour = tm.tm_hour * 10 + (*s - '0');
break;
case 1:
tm.tm_min = tm.tm_min * 10 + (*s - '0');
break;
case 2:
tm.tm_sec = tm.tm_sec * 10 + (*s - '0');
break;
default:
break;
};
}
s++;
}
rc = 0;
tm.tm_mday = str2int(targv[1], 10);
str2lower(targv[2]);
if (strcmp(targv[2], "jan") == 0) {
tm.tm_mon = 0;
} else if (strcmp(targv[2], "feb") == 0) {
tm.tm_mon = 1;
} else if (strcmp(targv[2], "mar") == 0) {
tm.tm_mon = 2;
} else if (strcmp(targv[2], "apr") == 0) {
tm.tm_mon = 3;
} else if (strcmp(targv[2], "may") == 0) {
tm.tm_mon = 4;
} else if (strcmp(targv[2], "jun") == 0) {
tm.tm_mon = 5;
} else if (strcmp(targv[2], "jul") == 0) {
tm.tm_mon = 6;
} else if (strcmp(targv[2], "aug") == 0) {
tm.tm_mon = 7;
} else if (strcmp(targv[2], "sep") == 0) {
tm.tm_mon = 8;
} else if (strcmp(targv[2], "oct") == 0) {
tm.tm_mon = 9;
} else if (strcmp(targv[2], "nov") == 0) {
tm.tm_mon = 10;
} else if (strcmp(targv[2], "dec") == 0) {
tm.tm_mon = 11;
} else {
tm.tm_mon = str2int(targv[2], 10);
}
tm.tm_year = str2int(targv[3], 10) - 1900;
if (!vmm_rtc_valid_tm(&tm)) {
vmm_cprintf(cdev, "Error: invalid date-time\n");
return VMM_EFAIL;
}
rc = vmm_rtcdev_set_time(rtc, &tm);
if (rc) {
vmm_cprintf(cdev, "Error: set_time failed for rtc %s\n", name);
return rc;
}
return VMM_OK;
}
int cmd_rtcdev_exec(struct vmm_chardev *cdev, int argc, char **argv)
{
if (argc == 2) {
if (strcmp(argv[1], "help") == 0) {
cmd_rtcdev_usage(cdev);
return VMM_OK;
} else if (strcmp(argv[1], "list") == 0) {
cmd_rtcdev_list(cdev);
return VMM_OK;
}
}
if (argc < 3) {
cmd_rtcdev_usage(cdev);
return VMM_EFAIL;
}
if (strcmp(argv[1], "sync_wallclock") == 0) {
return cmd_rtcdev_sync_wallclock(cdev, argv[2]);
} else if (strcmp(argv[1], "sync_device") == 0) {
return cmd_rtcdev_sync_device(cdev, argv[2]);
} else if (strcmp(argv[1], "get_time") == 0) {
return cmd_rtcdev_get_time(cdev, argv[2]);
} else if ((strcmp(argv[1], "set_time") == 0) && argc == 7) {
return cmd_rtcdev_set_time(cdev, argv[2], argc - 3, &argv[3]);
}
cmd_rtcdev_usage(cdev);
return VMM_EFAIL;
}
static struct vmm_cmd cmd_rtcdev = {
.name = "rtcdev",
.desc = "rtc device commands",
.usage = cmd_rtcdev_usage,
.exec = cmd_rtcdev_exec,
};
static int __init cmd_rtcdev_init(void)
{
return vmm_cmdmgr_register_cmd(&cmd_rtcdev);
}
static void __exit cmd_rtcdev_exit(void)
{
vmm_cmdmgr_unregister_cmd(&cmd_rtcdev);
}
VMM_DECLARE_MODULE(MODULE_DESC,
MODULE_AUTHOR,
MODULE_LICENSE,
MODULE_IPRIORITY,
MODULE_INIT,
MODULE_EXIT);
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