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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/m68k/mvme16x/rtc.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/m68k/mvme16x/rtc.c')
-rw-r--r--ANDROID_3.4.5/arch/m68k/mvme16x/rtc.c164
1 files changed, 0 insertions, 164 deletions
diff --git a/ANDROID_3.4.5/arch/m68k/mvme16x/rtc.c b/ANDROID_3.4.5/arch/m68k/mvme16x/rtc.c
deleted file mode 100644
index 6ef7a81a..00000000
--- a/ANDROID_3.4.5/arch/m68k/mvme16x/rtc.c
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- * Real Time Clock interface for Linux on the MVME16x
- *
- * Based on the PC driver by Paul Gortmaker.
- */
-
-#define RTC_VERSION "1.00"
-
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/miscdevice.h>
-#include <linux/ioport.h>
-#include <linux/capability.h>
-#include <linux/fcntl.h>
-#include <linux/init.h>
-#include <linux/poll.h>
-#include <linux/mc146818rtc.h> /* For struct rtc_time and ioctls, etc */
-#include <linux/bcd.h>
-#include <asm/mvme16xhw.h>
-
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/setup.h>
-
-/*
- * We sponge a minor off of the misc major. No need slurping
- * up another valuable major dev number for this. If you add
- * an ioctl, make sure you don't conflict with SPARC's RTC
- * ioctls.
- */
-
-static const unsigned char days_in_mo[] =
-{0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
-
-static atomic_t rtc_ready = ATOMIC_INIT(1);
-
-static long rtc_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
- volatile MK48T08ptr_t rtc = (MK48T08ptr_t)MVME_RTC_BASE;
- unsigned long flags;
- struct rtc_time wtime;
- void __user *argp = (void __user *)arg;
-
- switch (cmd) {
- case RTC_RD_TIME: /* Read the time/date from RTC */
- {
- local_irq_save(flags);
- /* Ensure clock and real-time-mode-register are accessible */
- rtc->ctrl = RTC_READ;
- memset(&wtime, 0, sizeof(struct rtc_time));
- wtime.tm_sec = bcd2bin(rtc->bcd_sec);
- wtime.tm_min = bcd2bin(rtc->bcd_min);
- wtime.tm_hour = bcd2bin(rtc->bcd_hr);
- wtime.tm_mday = bcd2bin(rtc->bcd_dom);
- wtime.tm_mon = bcd2bin(rtc->bcd_mth)-1;
- wtime.tm_year = bcd2bin(rtc->bcd_year);
- if (wtime.tm_year < 70)
- wtime.tm_year += 100;
- wtime.tm_wday = bcd2bin(rtc->bcd_dow)-1;
- rtc->ctrl = 0;
- local_irq_restore(flags);
- return copy_to_user(argp, &wtime, sizeof wtime) ?
- -EFAULT : 0;
- }
- case RTC_SET_TIME: /* Set the RTC */
- {
- struct rtc_time rtc_tm;
- unsigned char mon, day, hrs, min, sec, leap_yr;
- unsigned int yrs;
-
- if (!capable(CAP_SYS_ADMIN))
- return -EACCES;
-
- if (copy_from_user(&rtc_tm, argp, sizeof(struct rtc_time)))
- return -EFAULT;
-
- yrs = rtc_tm.tm_year;
- if (yrs < 1900)
- yrs += 1900;
- mon = rtc_tm.tm_mon + 1; /* tm_mon starts at zero */
- day = rtc_tm.tm_mday;
- hrs = rtc_tm.tm_hour;
- min = rtc_tm.tm_min;
- sec = rtc_tm.tm_sec;
-
- leap_yr = ((!(yrs % 4) && (yrs % 100)) || !(yrs % 400));
-
- if ((mon > 12) || (day == 0))
- return -EINVAL;
-
- if (day > (days_in_mo[mon] + ((mon == 2) && leap_yr)))
- return -EINVAL;
-
- if ((hrs >= 24) || (min >= 60) || (sec >= 60))
- return -EINVAL;
-
- if (yrs >= 2070)
- return -EINVAL;
-
- local_irq_save(flags);
- rtc->ctrl = RTC_WRITE;
-
- rtc->bcd_sec = bin2bcd(sec);
- rtc->bcd_min = bin2bcd(min);
- rtc->bcd_hr = bin2bcd(hrs);
- rtc->bcd_dom = bin2bcd(day);
- rtc->bcd_mth = bin2bcd(mon);
- rtc->bcd_year = bin2bcd(yrs%100);
-
- rtc->ctrl = 0;
- local_irq_restore(flags);
- return 0;
- }
- default:
- return -EINVAL;
- }
-}
-
-/*
- * We enforce only one user at a time here with the open/close.
- */
-static int rtc_open(struct inode *inode, struct file *file)
-{
- if( !atomic_dec_and_test(&rtc_ready) )
- {
- atomic_inc( &rtc_ready );
- return -EBUSY;
- }
- return 0;
-}
-
-static int rtc_release(struct inode *inode, struct file *file)
-{
- atomic_inc( &rtc_ready );
- return 0;
-}
-
-/*
- * The various file operations we support.
- */
-
-static const struct file_operations rtc_fops = {
- .unlocked_ioctl = rtc_ioctl,
- .open = rtc_open,
- .release = rtc_release,
- .llseek = noop_llseek,
-};
-
-static struct miscdevice rtc_dev=
-{
- .minor = RTC_MINOR,
- .name = "rtc",
- .fops = &rtc_fops
-};
-
-static int __init rtc_MK48T08_init(void)
-{
- if (!MACH_IS_MVME16x)
- return -ENODEV;
-
- printk(KERN_INFO "MK48T08 Real Time Clock Driver v%s\n", RTC_VERSION);
- return misc_register(&rtc_dev);
-}
-module_init(rtc_MK48T08_init);