mv watchdog tree under drivers

move watchdog tree from drivers/char/watchdog to drivers/watchdog.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

1 files changed, 0 insertions, 403 deletions

diff --git a/drivers/char/watchdog/ibmasr.c b/drivers/char/watchdog/ibmasr.c
deleted file mode 100644
index 94155f6136c2..000000000000
--- a/drivers/char/watchdog/ibmasr.c
+++ /dev/null
@@ -1,403 +0,0 @@
-/*
- * IBM Automatic Server Restart driver.
- *
- * Copyright (c) 2005 Andrey Panin <pazke@donpac.ru>
- *
- * Based on driver written by Pete Reynolds.
- * Copyright (c) IBM Corporation, 1998-2004.
- *
- * This software may be used and distributed according to the terms
- * of the GNU Public License, incorporated herein by reference.
- */
-
-#include <linux/fs.h>
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/timer.h>
-#include <linux/miscdevice.h>
-#include <linux/watchdog.h>
-#include <linux/dmi.h>
-
-#include <asm/io.h>
-#include <asm/uaccess.h>
-
-
-enum {
-	ASMTYPE_UNKNOWN,
-	ASMTYPE_TOPAZ,
-	ASMTYPE_JASPER,
-	ASMTYPE_PEARL,
-	ASMTYPE_JUNIPER,
-	ASMTYPE_SPRUCE,
-};
-
-#define PFX "ibmasr: "
-
-#define TOPAZ_ASR_REG_OFFSET	4
-#define TOPAZ_ASR_TOGGLE	0x40
-#define TOPAZ_ASR_DISABLE	0x80
-
-/* PEARL ASR S/W REGISTER SUPERIO PORT ADDRESSES */
-#define PEARL_BASE	0xe04
-#define PEARL_WRITE	0xe06
-#define PEARL_READ	0xe07
-
-#define PEARL_ASR_DISABLE_MASK	0x80	/* bit 7: disable = 1, enable = 0 */
-#define PEARL_ASR_TOGGLE_MASK	0x40	/* bit 6: 0, then 1, then 0 */
-
-/* JASPER OFFSET FROM SIO BASE ADDR TO ASR S/W REGISTERS. */
-#define JASPER_ASR_REG_OFFSET	0x38
-
-#define JASPER_ASR_DISABLE_MASK	0x01	/* bit 0: disable = 1, enable = 0 */
-#define JASPER_ASR_TOGGLE_MASK	0x02	/* bit 1: 0, then 1, then 0 */
-
-#define JUNIPER_BASE_ADDRESS	0x54b	/* Base address of Juniper ASR */
-#define JUNIPER_ASR_DISABLE_MASK 0x01	/* bit 0: disable = 1 enable = 0 */
-#define JUNIPER_ASR_TOGGLE_MASK	0x02	/* bit 1: 0, then 1, then 0 */
-
-#define SPRUCE_BASE_ADDRESS	0x118e	/* Base address of Spruce ASR */
-#define SPRUCE_ASR_DISABLE_MASK	0x01	/* bit 1: disable = 1 enable = 0 */
-#define SPRUCE_ASR_TOGGLE_MASK	0x02	/* bit 0: 0, then 1, then 0 */
-
-
-static int nowayout = WATCHDOG_NOWAYOUT;
-
-static unsigned long asr_is_open;
-static char asr_expect_close;
-
-static unsigned int asr_type, asr_base, asr_length;
-static unsigned int asr_read_addr, asr_write_addr;
-static unsigned char asr_toggle_mask, asr_disable_mask;
-
-static void asr_toggle(void)
-{
-	unsigned char reg = inb(asr_read_addr);
-
-	outb(reg & ~asr_toggle_mask, asr_write_addr);
-	reg = inb(asr_read_addr);
-
-	outb(reg | asr_toggle_mask, asr_write_addr);
-	reg = inb(asr_read_addr);
-
-	outb(reg & ~asr_toggle_mask, asr_write_addr);
-	reg = inb(asr_read_addr);
-}
-
-static void asr_enable(void)
-{
-	unsigned char reg;
-
-	if (asr_type == ASMTYPE_TOPAZ) {
-		/* asr_write_addr == asr_read_addr */
-		reg = inb(asr_read_addr);
-		outb(reg & ~(TOPAZ_ASR_TOGGLE | TOPAZ_ASR_DISABLE),
-		     asr_read_addr);
-	} else {
-		/*
-		 * First make sure the hardware timer is reset by toggling
-		 * ASR hardware timer line.
-		 */
-		asr_toggle();
-
-		reg = inb(asr_read_addr);
-		outb(reg & ~asr_disable_mask, asr_write_addr);
-	}
-	reg = inb(asr_read_addr);
-}
-
-static void asr_disable(void)
-{
-	unsigned char reg = inb(asr_read_addr);
-
-	if (asr_type == ASMTYPE_TOPAZ)
-		/* asr_write_addr == asr_read_addr */
-		outb(reg | TOPAZ_ASR_TOGGLE | TOPAZ_ASR_DISABLE,
-		     asr_read_addr);
-	else {
-		outb(reg | asr_toggle_mask, asr_write_addr);
-		reg = inb(asr_read_addr);
-
-		outb(reg | asr_disable_mask, asr_write_addr);
-	}
-	reg = inb(asr_read_addr);
-}
-
-static int __init asr_get_base_address(void)
-{
-	unsigned char low, high;
-	const char *type = "";
-
-	asr_length = 1;
-
-	switch (asr_type) {
-	case ASMTYPE_TOPAZ:
-		/* SELECT SuperIO CHIP FOR QUERYING (WRITE 0x07 TO BOTH 0x2E and 0x2F) */
-		outb(0x07, 0x2e);
-		outb(0x07, 0x2f);
-
-		/* SELECT AND READ THE HIGH-NIBBLE OF THE GPIO BASE ADDRESS */
-		outb(0x60, 0x2e);
-		high = inb(0x2f);
-
-		/* SELECT AND READ THE LOW-NIBBLE OF THE GPIO BASE ADDRESS */
-		outb(0x61, 0x2e);
-		low = inb(0x2f);
-
-		asr_base = (high << 16) | low;
-		asr_read_addr = asr_write_addr =
-			asr_base + TOPAZ_ASR_REG_OFFSET;
-		asr_length = 5;
-
-		break;
-
-	case ASMTYPE_JASPER:
-		type = "Jaspers ";
-
-		/* FIXME: need to use pci_config_lock here, but it's not exported */
-
-/*		spin_lock_irqsave(&pci_config_lock, flags);*/
-
-		/* Select the SuperIO chip in the PCI I/O port register */
-		outl(0x8000f858, 0xcf8);
-
-		/*
-		 * Read the base address for the SuperIO chip.
-		 * Only the lower 16 bits are valid, but the address is word
-		 * aligned so the last bit must be masked off.
-		 */
-		asr_base = inl(0xcfc) & 0xfffe;
-
-/*		spin_unlock_irqrestore(&pci_config_lock, flags);*/
-
-		asr_read_addr = asr_write_addr =
-			asr_base + JASPER_ASR_REG_OFFSET;
-		asr_toggle_mask = JASPER_ASR_TOGGLE_MASK;
-		asr_disable_mask = JASPER_ASR_DISABLE_MASK;
-		asr_length = JASPER_ASR_REG_OFFSET + 1;
-
-		break;
-
-	case ASMTYPE_PEARL:
-		type = "Pearls ";
-		asr_base = PEARL_BASE;
-		asr_read_addr = PEARL_READ;
-		asr_write_addr = PEARL_WRITE;
-		asr_toggle_mask = PEARL_ASR_TOGGLE_MASK;
-		asr_disable_mask = PEARL_ASR_DISABLE_MASK;
-		asr_length = 4;
-		break;
-
-	case ASMTYPE_JUNIPER:
-		type = "Junipers ";
-		asr_base = JUNIPER_BASE_ADDRESS;
-		asr_read_addr = asr_write_addr = asr_base;
-		asr_toggle_mask = JUNIPER_ASR_TOGGLE_MASK;
-		asr_disable_mask = JUNIPER_ASR_DISABLE_MASK;
-		break;
-
-	case ASMTYPE_SPRUCE:
-		type = "Spruce's ";
-		asr_base = SPRUCE_BASE_ADDRESS;
-		asr_read_addr = asr_write_addr = asr_base;
-		asr_toggle_mask = SPRUCE_ASR_TOGGLE_MASK;
-		asr_disable_mask = SPRUCE_ASR_DISABLE_MASK;
-		break;
-	}
-
-	if (!request_region(asr_base, asr_length, "ibmasr")) {
-		printk(KERN_ERR PFX "address %#x already in use\n",
-			asr_base);
-		return -EBUSY;
-	}
-
-	printk(KERN_INFO PFX "found %sASR @ addr %#x\n", type, asr_base);
-
-	return 0;
-}
-
-
-static ssize_t asr_write(struct file *file, const char __user *buf,
-			 size_t count, loff_t *ppos)
-{
-	if (count) {
-		if (!nowayout) {
-			size_t i;
-
-			/* In case it was set long ago */
-			asr_expect_close = 0;
-
-			for (i = 0; i != count; i++) {
-				char c;
-				if (get_user(c, buf + i))
-					return -EFAULT;
-				if (c == 'V')
-					asr_expect_close = 42;
-			}
-		}
-		asr_toggle();
-	}
-	return count;
-}
-
-static int asr_ioctl(struct inode *inode, struct file *file,
-		     unsigned int cmd, unsigned long arg)
-{
-	static const struct watchdog_info ident = {
-		.options =	WDIOF_KEEPALIVEPING | 
-				WDIOF_MAGICCLOSE,
-		.identity =	"IBM ASR"
-	};
-	void __user *argp = (void __user *)arg;
-	int __user *p = argp;
-	int heartbeat;
-
-	switch (cmd) {
-		case WDIOC_GETSUPPORT:
-			return copy_to_user(argp, &ident, sizeof(ident)) ?
-				-EFAULT : 0;
-
-		case WDIOC_GETSTATUS:
-		case WDIOC_GETBOOTSTATUS:
-			return put_user(0, p);
-
-		case WDIOC_KEEPALIVE:
-			asr_toggle();
-			return 0;
-
-		/*
-		 * The hardware has a fixed timeout value, so no WDIOC_SETTIMEOUT
-		 * and WDIOC_GETTIMEOUT always returns 256.
-		 */
-		case WDIOC_GETTIMEOUT:
-			heartbeat = 256;
-			return put_user(heartbeat, p);
-
-		case WDIOC_SETOPTIONS: {
-			int new_options, retval = -EINVAL;
-
-			if (get_user(new_options, p))
-				return -EFAULT;
-
-			if (new_options & WDIOS_DISABLECARD) {
-				asr_disable();
-				retval = 0;
-			}
-
-			if (new_options & WDIOS_ENABLECARD) {
-				asr_enable();
-				asr_toggle();
-				retval = 0;
-			}
-
-			return retval;
-		}
-	}
-
-	return -ENOTTY;
-}
-
-static int asr_open(struct inode *inode, struct file *file)
-{
-	if(test_and_set_bit(0, &asr_is_open))
-		return -EBUSY;
-
-	asr_toggle();
-	asr_enable();
-
-	return nonseekable_open(inode, file);
-}
-
-static int asr_release(struct inode *inode, struct file *file)
-{
-	if (asr_expect_close == 42)
-		asr_disable();
-	else {
-		printk(KERN_CRIT PFX "unexpected close, not stopping watchdog!\n");
-		asr_toggle();
-	}
-	clear_bit(0, &asr_is_open);
-	asr_expect_close = 0;
-	return 0;
-}
-
-static const struct file_operations asr_fops = {
-	.owner =	THIS_MODULE,
-	.llseek	=	no_llseek,
-	.write =	asr_write,
-	.ioctl =	asr_ioctl,
-	.open =		asr_open,
-	.release =	asr_release,
-};
-
-static struct miscdevice asr_miscdev = {
-	.minor =	WATCHDOG_MINOR,
-	.name =		"watchdog",
-	.fops =		&asr_fops,
-};
-
-
-struct ibmasr_id {
-	const char *desc;
-	int type;
-};
-
-static struct ibmasr_id __initdata ibmasr_id_table[] = {
-	{ "IBM Automatic Server Restart - eserver xSeries 220", ASMTYPE_TOPAZ },
-	{ "IBM Automatic Server Restart - Machine Type 8673", ASMTYPE_PEARL },
-	{ "IBM Automatic Server Restart - Machine Type 8480", ASMTYPE_JASPER },
-	{ "IBM Automatic Server Restart - Machine Type 8482", ASMTYPE_JUNIPER },
-	{ "IBM Automatic Server Restart - Machine Type 8648", ASMTYPE_SPRUCE },
-	{ NULL }
-};
-
-static int __init ibmasr_init(void)
-{
-	struct ibmasr_id *id;
-	int rc;
-
-	for (id = ibmasr_id_table; id->desc; id++) {
-		if (dmi_find_device(DMI_DEV_TYPE_OTHER, id->desc, NULL)) {
-			asr_type = id->type;
-			break;
-		}
-	}
-
-	if (!asr_type)
-		return -ENODEV;
-
-	rc = asr_get_base_address();
-	if (rc)
-		return rc;
-
-	rc = misc_register(&asr_miscdev);
-	if (rc < 0) {
-		release_region(asr_base, asr_length);
-		printk(KERN_ERR PFX "failed to register misc device\n");
-		return rc;
-	}
-
-	return 0;
-}
-
-static void __exit ibmasr_exit(void)
-{
-	if (!nowayout)
-		asr_disable();
-
-	misc_deregister(&asr_miscdev);
-
-	release_region(asr_base, asr_length);
-}
-
-module_init(ibmasr_init);
-module_exit(ibmasr_exit);
-
-module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
-
-MODULE_DESCRIPTION("IBM Automatic Server Restart driver");
-MODULE_AUTHOR("Andrey Panin");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);