1 files changed, 43 insertions, 5 deletions

diff --git a/drivers/char/watchdog/iTCO_wdt.c b/drivers/char/watchdog/iTCO_wdt.c
index aaac94db0d8b..7eac922df867 100644
--- a/drivers/char/watchdog/iTCO_wdt.c
+++ b/drivers/char/watchdog/iTCO_wdt.c
@@ -35,6 +35,10 @@
  *      82801GDH (ICH7DH)    : document number 307013-002, 307014-009,
  *      82801GBM (ICH7-M)    : document number 307013-002, 307014-009,
  *      82801GHM (ICH7-M DH) : document number 307013-002, 307014-009,
+ *      82801HB  (ICH8)      : document number 313056-002, 313057-004,
+ *      82801HR  (ICH8R)     : document number 313056-002, 313057-004,
+ *      82801HH  (ICH8DH)    : document number 313056-002, 313057-004,
+ *      82801HO  (ICH8DO)    : document number 313056-002, 313057-004,
  *      6300ESB  (6300ESB)   : document number 300641-003
  */
 
@@ -44,8 +48,8 @@
 
 /* Module and version information */
 #define DRV_NAME        "iTCO_wdt"
-#define DRV_VERSION     "1.00"
-#define DRV_RELDATE     "30-Jul-2006"
+#define DRV_VERSION     "1.01"
+#define DRV_RELDATE     "11-Nov-2006"
 #define PFX             DRV_NAME ": "
 
 /* Includes */
@@ -85,6 +89,9 @@ enum iTCO_chipsets {
         TCO_ICH7,       /* ICH7 & ICH7R */
         TCO_ICH7M,      /* ICH7-M */
         TCO_ICH7MDH,    /* ICH7-M DH */
+        TCO_ICH8,       /* ICH8 & ICH8R */
+        TCO_ICH8DH,     /* ICH8DH */
+        TCO_ICH8DO,     /* ICH8DO */
 };
 
 static struct {
@@ -108,6 +115,9 @@ static struct {
         {"ICH7 or ICH7R", 2},
         {"ICH7-M", 2},
         {"ICH7-M DH", 2},
+        {"ICH8 or ICH8R", 2},
+        {"ICH8DH", 2},
+        {"ICH8DO", 2},
         {NULL,0}
 };
 
@@ -135,6 +145,9 @@ static struct pci_device_id iTCO_wdt_pci_tbl[] = {
         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_0,      PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH7    },
         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_1,      PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH7M   },
         { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_31,     PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH7MDH },
+        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_0,      PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH8    },
+        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_2,      PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH8DH  },
+        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_3,      PCI_ANY_ID, PCI_ANY_ID, 0, 0, TCO_ICH8DO  },
         { 0, },                 /* End of list */
 };
 MODULE_DEVICE_TABLE (pci, iTCO_wdt_pci_tbl);
@@ -176,6 +189,21 @@ static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
+/* iTCO Vendor Specific Support hooks */
+#ifdef CONFIG_ITCO_VENDOR_SUPPORT
+extern void iTCO_vendor_pre_start(unsigned long, unsigned int);
+extern void iTCO_vendor_pre_stop(unsigned long);
+extern void iTCO_vendor_pre_keepalive(unsigned long, unsigned int);
+extern void iTCO_vendor_pre_set_heartbeat(unsigned int);
+extern int iTCO_vendor_check_noreboot_on(void);
+#else
+#define iTCO_vendor_pre_start(acpibase, heartbeat)      {}
+#define iTCO_vendor_pre_stop(acpibase)                  {}
+#define iTCO_vendor_pre_keepalive(acpibase,heartbeat)   {}
+#define iTCO_vendor_pre_set_heartbeat(heartbeat)        {}
+#define iTCO_vendor_check_noreboot_on()                 1       /* 1=check noreboot; 0=don't check */
+#endif
+
 /*
  * Some TCO specific functions
  */
@@ -236,6 +264,8 @@ static int iTCO_wdt_start(void)
 
         spin_lock(&iTCO_wdt_private.io_lock);
 
+        iTCO_vendor_pre_start(iTCO_wdt_private.ACPIBASE, heartbeat);
+
         /* disable chipset's NO_REBOOT bit */
         if (iTCO_wdt_unset_NO_REBOOT_bit()) {
                 printk(KERN_ERR PFX "failed to reset NO_REBOOT flag, reboot disabled by hardware\n");
@@ -260,6 +290,8 @@ static int iTCO_wdt_stop(void)
 
         spin_lock(&iTCO_wdt_private.io_lock);
 
+        iTCO_vendor_pre_stop(iTCO_wdt_private.ACPIBASE);
+
         /* Bit 11: TCO Timer Halt -> 1 = The TCO timer is disabled */
         val = inw(TCO1_CNT);
         val |= 0x0800;
@@ -280,6 +312,8 @@ static int iTCO_wdt_keepalive(void)
 {
         spin_lock(&iTCO_wdt_private.io_lock);
 
+        iTCO_vendor_pre_keepalive(iTCO_wdt_private.ACPIBASE, heartbeat);
+
         /* Reload the timer by writing to the TCO Timer Counter register */
         if (iTCO_wdt_private.iTCO_version == 2) {
                 outw(0x01, TCO_RLD);
@@ -306,6 +340,8 @@ static int iTCO_wdt_set_heartbeat(int t)
             ((iTCO_wdt_private.iTCO_version == 1) && (tmrval > 0x03f)))
                 return -EINVAL;
 
+        iTCO_vendor_pre_set_heartbeat(tmrval);
+
         /* Write new heartbeat to watchdog */
         if (iTCO_wdt_private.iTCO_version == 2) {
                 spin_lock(&iTCO_wdt_private.io_lock);
@@ -355,7 +391,8 @@ static int iTCO_wdt_get_timeleft (int *time_left)
                 spin_unlock(&iTCO_wdt_private.io_lock);
 
                 *time_left = (val8 * 6) / 10;
-        }
+        } else
+                return -EINVAL;
         return 0;
 }
 
@@ -426,7 +463,6 @@ static int iTCO_wdt_ioctl (struct inode *inode, struct file *file,
 {
         int new_options, retval = -EINVAL;
         int new_heartbeat;
-        int time_left;
         void __user *argp = (void __user *)arg;
         int __user *p = argp;
         static struct watchdog_info ident = {
@@ -486,6 +522,8 @@ static int iTCO_wdt_ioctl (struct inode *inode, struct file *file,
 
                 case WDIOC_GETTIMELEFT:
                 {
+                        int time_left;
+
                         if (iTCO_wdt_get_timeleft(&time_left))
                                 return -EINVAL;
 
@@ -554,7 +592,7 @@ static int iTCO_wdt_init(struct pci_dev *pdev, const struct pci_device_id *ent,
         }
 
         /* Check chipset's NO_REBOOT bit */
-        if (iTCO_wdt_unset_NO_REBOOT_bit()) {
+        if (iTCO_wdt_unset_NO_REBOOT_bit() && iTCO_vendor_check_noreboot_on()) {
                 printk(KERN_ERR PFX "failed to reset NO_REBOOT flag, reboot disabled by hardware\n");
                 ret = -ENODEV;  /* Cannot reset NO_REBOOT bit */
                 goto out;