X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fi2c%2Fbusses%2Fi2c-viapro.c;h=7a2bc06304fca779a3a5c2194d6d9d92e34a199c;hb=7c175499822ba34ba60f32e4995fcc16c007d308;hp=c9366b504833acbbedee808b25bcb71684e04a9d;hpb=2fc2991175bf77395e6b15fe6b2304d3bf72da40;p=powerpc.git

diff --git a/drivers/i2c/busses/i2c-viapro.c b/drivers/i2c/busses/i2c-viapro.c
index c9366b5048..7a2bc06304 100644
--- a/drivers/i2c/busses/i2c-viapro.c
+++ b/drivers/i2c/busses/i2c-viapro.c
@@ -4,7 +4,7 @@
     Copyright (c) 1998 - 2002  Frodo Looijaard <frodol@dds.nl>,
     Philip Edelbrock <phil@netroedge.com>, Kyösti Mälkki <kmalkki@cc.hut.fi>,
     Mark D. Studebaker <mdsxyz123@yahoo.com>
-    Copyright (C) 2005  Jean Delvare <khali@linux-fr.org>
+    Copyright (C) 2005 - 2007  Jean Delvare <khali@linux-fr.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -34,6 +34,9 @@
    VT8233A            0x3147             yes?
    VT8235             0x3177             yes
    VT8237R            0x3227             yes
+   VT8237A            0x3337             yes
+   VT8251             0x3287             yes
+   CX700              0x8324             yes
 
    Note: we assume there can only be one device, with one SMBus interface.
 */
@@ -142,19 +145,18 @@ static int vt596_transaction(u8 size)
 	/* Make sure the SMBus host is ready to start transmitting */
 	if ((temp = inb_p(SMBHSTSTS)) & 0x1F) {
 		dev_dbg(&vt596_adapter.dev, "SMBus busy (0x%02x). "
-			"Resetting... ", temp);
+			"Resetting...\n", temp);
 
 		outb_p(temp, SMBHSTSTS);
 		if ((temp = inb_p(SMBHSTSTS)) & 0x1F) {
-			printk("Failed! (0x%02x)\n", temp);
+			dev_err(&vt596_adapter.dev, "SMBus reset failed! "
+				"(0x%02x)\n", temp);
 			return -1;
-		} else {
-			printk("Successful!\n");
 		}
 	}
 
 	/* Start the transaction by setting bit 6 */
-	outb_p(0x40 | (size & 0x3C), SMBHSTCNT);
+	outb_p(0x40 | size, SMBHSTCNT);
 
 	/* We will always wait for a fraction of a second */
 	do {
@@ -171,7 +173,7 @@ static int vt596_transaction(u8 size)
 	if (temp & 0x10) {
 		result = -1;
 		dev_err(&vt596_adapter.dev, "Transaction failed (0x%02x)\n",
-			inb_p(SMBHSTCNT) & 0x3C);
+			size);
 	}
 
 	if (temp & 0x08) {
@@ -180,11 +182,13 @@ static int vt596_transaction(u8 size)
 	}
 
 	if (temp & 0x04) {
+		int read = inb_p(SMBHSTADD) & 0x01;
 		result = -1;
-		/* Quick commands are used to probe for chips, so
-		   errors are expected, and we don't want to frighten the
-		   user. */
-		if ((inb_p(SMBHSTCNT) & 0x3C) != VT596_QUICK)
+		/* The quick and receive byte commands are used to probe
+		   for chips, so errors are expected, and we don't want
+		   to frighten the user. */
+		if (!((size == VT596_QUICK && !read) ||
+		      (size == VT596_BYTE && read)))
 			dev_err(&vt596_adapter.dev, "Transaction error!\n");
 	}
 
@@ -296,13 +300,14 @@ static u32 vt596_func(struct i2c_adapter *adapter)
 	return func;
 }
 
-static struct i2c_algorithm smbus_algorithm = {
+static const struct i2c_algorithm smbus_algorithm = {
 	.smbus_xfer	= vt596_access,
 	.functionality	= vt596_func,
 };
 
 static struct i2c_adapter vt596_adapter = {
 	.owner		= THIS_MODULE,
+	.id		= I2C_HW_SMBUS_VIA2,
 	.class		= I2C_CLASS_HWMON,
 	.algo		= &smbus_algorithm,
 };
@@ -380,7 +385,10 @@ found:
 	dev_dbg(&pdev->dev, "VT596_smba = 0x%X\n", vt596_smba);
 
 	switch (pdev->device) {
+	case PCI_DEVICE_ID_VIA_CX700:
+	case PCI_DEVICE_ID_VIA_8251:
 	case PCI_DEVICE_ID_VIA_8237:
+	case PCI_DEVICE_ID_VIA_8237A:
 	case PCI_DEVICE_ID_VIA_8235:
 	case PCI_DEVICE_ID_VIA_8233A:
 	case PCI_DEVICE_ID_VIA_8233_0:
@@ -396,7 +404,7 @@ found:
 	}
 
 	vt596_adapter.dev.parent = &pdev->dev;
-	snprintf(vt596_adapter.name, I2C_NAME_SIZE,
+	snprintf(vt596_adapter.name, sizeof(vt596_adapter.name),
 		 "SMBus Via Pro adapter at %04x", vt596_smba);
 
 	vt596_pdev = pci_dev_get(pdev);
@@ -431,15 +439,20 @@ static struct pci_device_id vt596_ids[] = {
 	  .driver_data = SMBBA3 },
 	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237),
 	  .driver_data = SMBBA3 },
+	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237A),
+	  .driver_data = SMBBA3 },
 	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231_4),
 	  .driver_data = SMBBA1 },
+	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8251),
+	  .driver_data = SMBBA3 },
+	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_CX700),
+	  .driver_data = SMBBA3 },
 	{ 0, }
 };
 
 MODULE_DEVICE_TABLE(pci, vt596_ids);
 
 static struct pci_driver vt596_driver = {
-	.owner		= THIS_MODULE,
 	.name		= "vt596_smbus",
 	.id_table	= vt596_ids,
 	.probe		= vt596_probe,
@@ -462,9 +475,9 @@ static void __exit i2c_vt596_exit(void)
 	}
 }
 
-MODULE_AUTHOR(
-    "Frodo Looijaard <frodol@dds.nl> and "
-    "Philip Edelbrock <phil@netroedge.com>");
+MODULE_AUTHOR("Kyosti Malkki <kmalkki@cc.hut.fi>, "
+	      "Mark D. Studebaker <mdsxyz123@yahoo.com> and "
+	      "Jean Delvare <khali@linux-fr.org>");
 MODULE_DESCRIPTION("vt82c596 SMBus driver");
 MODULE_LICENSE("GPL");