#include <linux/init.h>
#include <linux/spinlock.h>
#include <linux/moduleparam.h>
-#include <linux/version.h>
#include <linux/io.h>
#include <linux/uaccess.h>
/* #define DEBUG 1 */
-#define DEFAULT_TIMEOUT 1 /* 1 minute */
+#define DEFAULT_TIMEOUT 1 /* 1 minute */
#define MAX_TIMEOUT 255
#define VERSION "1.1"
#define PFX MODNAME ": "
#define DPFX MODNAME " - DEBUG: "
-#define WDT_INDEX_IO_PORT (io+0) /* I/O port base (index register) */
+#define WDT_INDEX_IO_PORT (io+0) /* I/O port base (index register) */
#define WDT_DATA_IO_PORT (WDT_INDEX_IO_PORT+1)
#define SWC_LDN 0x04
-#define SIOCFG2 0x22 /* Serial IO register */
-#define WDCTL 0x10 /* Watchdog-Timer-Controll-Register */
-#define WDTO 0x11 /* Watchdog timeout register */
-#define WDCFG 0x12 /* Watchdog config register */
+#define SIOCFG2 0x22 /* Serial IO register */
+#define WDCTL 0x10 /* Watchdog-Timer-Controll-Register */
+#define WDTO 0x11 /* Watchdog timeout register */
+#define WDCFG 0x12 /* Watchdog config register */
-static int io = 0x2E; /* Address used on Portwell Boards */
+static int io = 0x2E; /* Address used on Portwell Boards */
-static int timeout = DEFAULT_TIMEOUT; /* timeout value */
+static int timeout = DEFAULT_TIMEOUT; /* timeout value */
static unsigned long timer_enabled; /* is the timer enabled? */
static char expect_close; /* is the close expected? */
/* Step 2: Enable SWC functions */
- outb_p(0x07, WDT_INDEX_IO_PORT); /* Point SWC_LDN (LDN=4) */
+ outb_p(0x07, WDT_INDEX_IO_PORT); /* Point SWC_LDN (LDN=4) */
outb_p(SWC_LDN, WDT_DATA_IO_PORT);
- outb_p(0x30, WDT_INDEX_IO_PORT); /* Read Index 0x30 First */
+ outb_p(0x30, WDT_INDEX_IO_PORT); /* Read Index 0x30 First */
cr_data = inb(WDT_DATA_IO_PORT);
- cr_data |= 0x01; /* Set Bit0 to 1 */
+ cr_data |= 0x01; /* Set Bit0 to 1 */
outb_p(0x30, WDT_INDEX_IO_PORT);
- outb_p(cr_data, WDT_DATA_IO_PORT); /* Index0x30_bit0P1 */
+ outb_p(cr_data, WDT_DATA_IO_PORT); /* Index0x30_bit0P1 */
#ifdef DEBUG
printk(KERN_INFO DPFX "pc87413 - Enable SWC functions\n");
/* Step 3: Read SWC I/O Base Address */
- outb_p(0x60, WDT_INDEX_IO_PORT); /* Read Index 0x60 */
+ outb_p(0x60, WDT_INDEX_IO_PORT); /* Read Index 0x60 */
addr_h = inb(WDT_DATA_IO_PORT);
- outb_p(0x61, WDT_INDEX_IO_PORT); /* Read Index 0x61 */
+ outb_p(0x61, WDT_INDEX_IO_PORT); /* Read Index 0x61 */
addr_l = inb(WDT_DATA_IO_PORT);
magic character */
for (i = 0; i != len; i++) {
char c;
- if (get_user(c, data+i))
+ if (get_user(c, data + i))
return -EFAULT;
if (c == 'V')
expect_close = 42;
WDIOF_SETTIMEOUT |
WDIOF_MAGICCLOSE,
.firmware_version = 1,
- .identity = "PC87413(HF/F) watchdog"
+ .identity = "PC87413(HF/F) watchdog",
};
uarg.i = (int __user *)arg;
return put_user(pc87413_status(), uarg.i);
case WDIOC_GETBOOTSTATUS:
return put_user(0, uarg.i);
+ case WDIOC_SETOPTIONS:
+ {
+ int options, retval = -EINVAL;
+ if (get_user(options, uarg.i))
+ return -EFAULT;
+ if (options & WDIOS_DISABLECARD) {
+ pc87413_disable();
+ retval = 0;
+ }
+ if (options & WDIOS_ENABLECARD) {
+ pc87413_enable();
+ retval = 0;
+ }
+ return retval;
+ }
case WDIOC_KEEPALIVE:
pc87413_refresh();
#ifdef DEBUG
case WDIOC_GETTIMEOUT:
new_timeout = timeout * 60;
return put_user(new_timeout, uarg.i);
- case WDIOC_SETOPTIONS:
- {
- int options, retval = -EINVAL;
- if (get_user(options, uarg.i))
- return -EFAULT;
- if (options & WDIOS_DISABLECARD) {
- pc87413_disable();
- retval = 0;
- }
- if (options & WDIOS_ENABLECARD) {
- pc87413_enable();
- retval = 0;
- }
- return retval;
- }
default:
return -ENOTTY;
}
static struct miscdevice pc87413_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
- .fops = &pc87413_fops
+ .fops = &pc87413_fops,
};
/* -- Module init functions -------------------------------------*/
misc_deregister(&pc87413_miscdev);
unregister_reboot_notifier(&pc87413_notifier);
- /* release_region(io,2); */
+ /* release_region(io, 2); */
- printk(MODNAME " watchdog component driver removed.\n");
+ printk(KERN_INFO MODNAME " watchdog component driver removed.\n");
}
module_init(pc87413_init);