X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fchar%2Fwatchdog%2Fi8xx_tco.c;h=c337978dc966b7e955a1ed736e8fd7bad47a062b;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=5fc054700c4dfbdbe95dd31b1749a6b1fb57e99a;hpb=87fc8d1bb10cd459024a742c6a10961fefcef18f;p=linux-2.6.git

diff --git a/drivers/char/watchdog/i8xx_tco.c b/drivers/char/watchdog/i8xx_tco.c
index 5fc054700..c337978dc 100644
--- a/drivers/char/watchdog/i8xx_tco.c
+++ b/drivers/char/watchdog/i8xx_tco.c
@@ -1,5 +1,5 @@
 /*
- *	i8xx_tco 0.06:	TCO timer driver for i8xx chipsets
+ *	i8xx_tco 0.07:	TCO timer driver for i8xx chipsets
  *
  *	(c) Copyright 2000 kernel concepts <nils@kernelconcepts.de>, All Rights Reserved.
  *				http://www.kernelconcepts.de
@@ -22,11 +22,22 @@
  *
  *	The TCO timer is implemented in the following I/O controller hubs:
  *	(See the intel documentation on http://developer.intel.com.)
- *	82801AA & 82801AB  chip : document number 290655-003, 290677-004,
- *	82801BA & 82801BAM chip : document number 290687-002, 298242-005,
- *	82801CA & 82801CAM chip : document number 290716-001, 290718-001,
- *	82801DB & 82801E   chip : document number 290744-001, 273599-001,
- *	82801EB & 82801ER  chip : document number 252516-001
+ *	82801AA  (ICH)    : document number 290655-003, 290677-014,
+ *	82801AB  (ICHO)   : document number 290655-003, 290677-014,
+ *	82801BA  (ICH2)   : document number 290687-002, 298242-027,
+ *	82801BAM (ICH2-M) : document number 290687-002, 298242-027,
+ *	82801CA  (ICH3-S) : document number 290733-003, 290739-013,
+ *	82801CAM (ICH3-M) : document number 290716-001, 290718-007,
+ *	82801DB  (ICH4)   : document number 290744-001, 290745-020,
+ *	82801DBM (ICH4-M) : document number 252337-001, 252663-005,
+ *	82801E   (C-ICH)  : document number 273599-001, 273645-002,
+ *	82801EB  (ICH5)   : document number 252516-001, 252517-003,
+ *	82801ER  (ICH5R)  : document number 252516-001, 252517-003,
+ *	82801FB  (ICH6)   : document number 301473-002, 301474-007,
+ *	82801FR  (ICH6R)  : document number 301473-002, 301474-007,
+ *	82801FBM (ICH6-M) : document number 301473-002, 301474-007,
+ *	82801FW  (ICH6W)  : document number 301473-001, 301474-007,
+ *	82801FRW (ICH6RW) : document number 301473-001, 301474-007
  *
  *  20000710 Nils Faerber
  *	Initial Version 0.01
@@ -49,6 +60,9 @@
  *  20030921 Wim Van Sebroeck <wim@iguana.be>
  *	0.06 change i810_margin to heartbeat, use module_param,
  *	     added notify system support, renamed module to i8xx_tco.
+ *  20050128 Wim Van Sebroeck <wim@iguana.be>
+ *	0.07 Added support for the ICH4-M, ICH6, ICH6R, ICH6-M, ICH6W and ICH6RW
+ *	     chipsets. Also added support for the "undocumented" ICH7 chipset.
  */
 
 /*
@@ -73,7 +87,7 @@
 #include "i8xx_tco.h"
 
 /* Module and version information */
-#define TCO_VERSION "0.06"
+#define TCO_VERSION "0.07"
 #define TCO_MODULE_NAME "i8xx TCO timer"
 #define TCO_DRIVER_NAME   TCO_MODULE_NAME ", v" TCO_VERSION
 #define PFX TCO_MODULE_NAME ": "
@@ -360,8 +374,14 @@ static struct pci_device_id i8xx_tco_pci_tbl[] = {
 	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_0,	PCI_ANY_ID, PCI_ANY_ID, },
 	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12,	PCI_ANY_ID, PCI_ANY_ID, },
 	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_0,	PCI_ANY_ID, PCI_ANY_ID, },
+	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12,	PCI_ANY_ID, PCI_ANY_ID, },
 	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801E_0,	PCI_ANY_ID, PCI_ANY_ID, },
 	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0,	PCI_ANY_ID, PCI_ANY_ID, },
+	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_0,	PCI_ANY_ID, PCI_ANY_ID, },
+	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1,	PCI_ANY_ID, PCI_ANY_ID, },
+	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_2,	PCI_ANY_ID, PCI_ANY_ID, },
+	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_0,	PCI_ANY_ID, PCI_ANY_ID, },
+	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_1,	PCI_ANY_ID, PCI_ANY_ID, },
 	{ 0, },			/* End of list */
 };
 MODULE_DEVICE_TABLE (pci, i8xx_tco_pci_tbl);
@@ -415,12 +435,15 @@ static unsigned char __init i8xx_tco_getdevice (void)
 			}
 		}
 		/* Set the TCO_EN bit in SMI_EN register */
+		if (!request_region (SMI_EN + 1, 1, "i8xx TCO")) {
+			printk (KERN_ERR PFX "I/O address 0x%04x already in use\n",
+				SMI_EN + 1);
+			return 0;
+		}
 		val1 = inb (SMI_EN + 1);
 		val1 &= 0xdf;
 		outb (val1, SMI_EN + 1);
-		/* Clear out the (probably old) status */
-		outb (0, TCO1_STS);
-		outb (3, TCO2_STS);
+		release_region (SMI_EN + 1, 1);
 		return 1;
 	}
 	return 0;
@@ -443,6 +466,10 @@ static int __init watchdog_init (void)
 		goto out;
 	}
 
+	/* Clear out the (probably old) status */
+	outb (0, TCO1_STS);
+	outb (3, TCO2_STS);
+
 	/* Check that the heartbeat value is within it's range ; if not reset to the default */
 	if (tco_timer_set_heartbeat (heartbeat)) {
 		heartbeat = WATCHDOG_HEARTBEAT;
@@ -465,7 +492,7 @@ static int __init watchdog_init (void)
 		goto unreg_notifier;
 	}
 
-	tco_timer_keepalive ();
+	tco_timer_stop ();
 
 	printk (KERN_INFO PFX "initialized (0x%04x). heartbeat=%d sec (nowayout=%d)\n",
 		TCOBASE, heartbeat, nowayout);