Update compat-wireless to 2.6.36-5-spn

chromeos/compat-wireless/drivers/net/wireless/orinoco/orinoco_nortel.c

Index: chromeos/compat-wireless/drivers/net/wireless/orinoco/orinoco_nortel.c
diff --git a/chromeos/compat-wireless/drivers/net/wireless/orinoco/orinoco_nortel.c b/chromeos/compat-wireless/drivers/net/wireless/orinoco/orinoco_nortel.c
new file mode 100644
index 0000000000000000000000000000000000000000..bc3ea0b67a4f8ec83eb62f283455bdf4b05034af
--- /dev/null
+++ b/chromeos/compat-wireless/drivers/net/wireless/orinoco/orinoco_nortel.c
@@ -0,0 +1,323 @@
+/* orinoco_nortel.c
+ *
+ * Driver for Prism II devices which would usually be driven by orinoco_cs,
+ * but are connected to the PCI bus by a PCI-to-PCMCIA adapter used in
+ * Nortel emobility, Symbol LA-4113 and Symbol LA-4123.
+ *
+ * Copyright (C) 2002 Tobias Hoffmann
+ *           (C) 2003 Christoph Jungegger <disdos@traum404.de>
+ *
+ * Some of this code is borrowed from orinoco_plx.c
+ *	Copyright (C) 2001 Daniel Barlow
+ * Some of this code is borrowed from orinoco_pci.c
+ *  Copyright (C) 2001 Jean Tourrilhes
+ * Some of this code is "inspired" by linux-wlan-ng-0.1.10, but nothing
+ * has been copied from it. linux-wlan-ng-0.1.10 is originally :
+ *	Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License
+ * at http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * Alternatively, the contents of this file may be used under the
+ * terms of the GNU General Public License version 2 (the "GPL"), in
+ * which case the provisions of the GPL are applicable instead of the
+ * above.  If you wish to allow the use of your version of this file
+ * only under the terms of the GPL and not to allow others to use your
+ * version of this file under the MPL, indicate your decision by
+ * deleting the provisions above and replace them with the notice and
+ * other provisions required by the GPL.  If you do not delete the
+ * provisions above, a recipient may use your version of this file
+ * under either the MPL or the GPL.
+ */
+
+#define DRIVER_NAME "orinoco_nortel"
+#define PFX DRIVER_NAME ": "
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pci.h>
+#include <pcmcia/cisreg.h>
+
+#include "orinoco.h"
+#include "orinoco_pci.h"
+
+#define COR_OFFSET    (0xe0)	/* COR attribute offset of Prism2 PC card */
+#define COR_VALUE     (COR_LEVEL_REQ | COR_FUNC_ENA)	/* Enable PC card with interrupt in level trigger */
+
+
+/*
+ * Do a soft reset of the card using the Configuration Option Register
+ * We need this to get going...
+ * This is the part of the code that is strongly inspired from wlan-ng
+ *
+ * Note bis : Don't try to access HERMES_CMD during the reset phase.
+ * It just won't work !
+ */
+static int orinoco_nortel_cor_reset(struct orinoco_private *priv)
+{
+	struct orinoco_pci_card *card = priv->card;
+
+	/* Assert the reset until the card notices */
+	iowrite16(8, card->bridge_io + 2);
+	ioread16(card->attr_io + COR_OFFSET);
+	iowrite16(0x80, card->attr_io + COR_OFFSET);
+	mdelay(1);
+
+	/* Give time for the card to recover from this hard effort */
+	iowrite16(0, card->attr_io + COR_OFFSET);
+	iowrite16(0, card->attr_io + COR_OFFSET);
+	mdelay(1);
+
+	/* Set COR as usual */
+	iowrite16(COR_VALUE, card->attr_io + COR_OFFSET);
+	iowrite16(COR_VALUE, card->attr_io + COR_OFFSET);
+	mdelay(1);
+
+	iowrite16(0x228, card->bridge_io + 2);
+
+	return 0;
+}
+
+static int orinoco_nortel_hw_init(struct orinoco_pci_card *card)
+{
+	int i;
+	u32 reg;
+
+	/* Setup bridge */
+	if (ioread16(card->bridge_io) & 1) {
+		printk(KERN_ERR PFX "brg1 answer1 wrong\n");
+		return -EBUSY;
+	}
+	iowrite16(0x118, card->bridge_io + 2);
+	iowrite16(0x108, card->bridge_io + 2);
+	mdelay(30);
+	iowrite16(0x8, card->bridge_io + 2);
+	for (i = 0; i < 30; i++) {
+		mdelay(30);
+		if (ioread16(card->bridge_io) & 0x10)
+			break;
+	}
+	if (i == 30) {
+		printk(KERN_ERR PFX "brg1 timed out\n");
+		return -EBUSY;
+	}
+	if (ioread16(card->attr_io + COR_OFFSET) & 1) {
+		printk(KERN_ERR PFX "brg2 answer1 wrong\n");
+		return -EBUSY;
+	}
+	if (ioread16(card->attr_io + COR_OFFSET + 2) & 1) {
+		printk(KERN_ERR PFX "brg2 answer2 wrong\n");
+		return -EBUSY;
+	}
+	if (ioread16(card->attr_io + COR_OFFSET + 4) & 1) {
+		printk(KERN_ERR PFX "brg2 answer3 wrong\n");
+		return -EBUSY;
+	}
+
+	/* Set the PCMCIA COR register */
+	iowrite16(COR_VALUE, card->attr_io + COR_OFFSET);
+	mdelay(1);
+	reg = ioread16(card->attr_io + COR_OFFSET);
+	if (reg != COR_VALUE) {
+		printk(KERN_ERR PFX "Error setting COR value (reg=%x)\n",
+		       reg);
+		return -EBUSY;
+	}
+
+	/* Set LEDs */
+	iowrite16(1, card->bridge_io + 10);
+	return 0;
+}
+
+static int orinoco_nortel_init_one(struct pci_dev *pdev,
+				   const struct pci_device_id *ent)
+{
+	int err;
+	struct orinoco_private *priv;
+	struct orinoco_pci_card *card;
+	void __iomem *hermes_io, *bridge_io, *attr_io;
+
+	err = pci_enable_device(pdev);
+	if (err) {
+		printk(KERN_ERR PFX "Cannot enable PCI device\n");
+		return err;
+	}
+
+	err = pci_request_regions(pdev, DRIVER_NAME);
+	if (err) {
+		printk(KERN_ERR PFX "Cannot obtain PCI resources\n");
+		goto fail_resources;
+	}
+
+	bridge_io = pci_iomap(pdev, 0, 0);
+	if (!bridge_io) {
+		printk(KERN_ERR PFX "Cannot map bridge registers\n");
+		err = -EIO;
+		goto fail_map_bridge;
+	}
+
+	attr_io = pci_iomap(pdev, 1, 0);
+	if (!attr_io) {
+		printk(KERN_ERR PFX "Cannot map PCMCIA attributes\n");
+		err = -EIO;
+		goto fail_map_attr;
+	}
+
+	hermes_io = pci_iomap(pdev, 2, 0);
+	if (!hermes_io) {
+		printk(KERN_ERR PFX "Cannot map chipset registers\n");
+		err = -EIO;
+		goto fail_map_hermes;
+	}
+
+	/* Allocate network device */
+	priv = alloc_orinocodev(sizeof(*card), &pdev->dev,
+				orinoco_nortel_cor_reset, NULL);
+	if (!priv) {
+		printk(KERN_ERR PFX "Cannot allocate network device\n");
+		err = -ENOMEM;
+		goto fail_alloc;
+	}
+
+	card = priv->card;
+	card->bridge_io = bridge_io;
+	card->attr_io = attr_io;
+
+	hermes_struct_init(&priv->hw, hermes_io, HERMES_16BIT_REGSPACING);
+
+	err = request_irq(pdev->irq, orinoco_interrupt, IRQF_SHARED,
+			  DRIVER_NAME, priv);
+	if (err) {
+		printk(KERN_ERR PFX "Cannot allocate IRQ %d\n", pdev->irq);
+		err = -EBUSY;
+		goto fail_irq;
+	}
+
+	err = orinoco_nortel_hw_init(card);
+	if (err) {
+		printk(KERN_ERR PFX "Hardware initialization failed\n");
+		goto fail;
+	}
+
+	err = orinoco_nortel_cor_reset(priv);
+	if (err) {
+		printk(KERN_ERR PFX "Initial reset failed\n");
+		goto fail;
+	}
+
+	err = orinoco_init(priv);
+	if (err) {
+		printk(KERN_ERR PFX "orinoco_init() failed\n");
+		goto fail;
+	}
+
+	err = orinoco_if_add(priv, 0, 0, NULL);
+	if (err) {
+		printk(KERN_ERR PFX "orinoco_if_add() failed\n");
+		goto fail;
+	}
+
+	pci_set_drvdata(pdev, priv);
+
+	return 0;
+
+ fail:
+	free_irq(pdev->irq, priv);
+
+ fail_irq:
+	pci_set_drvdata(pdev, NULL);
+	free_orinocodev(priv);
+
+ fail_alloc:
+	pci_iounmap(pdev, hermes_io);
+
+ fail_map_hermes:
+	pci_iounmap(pdev, attr_io);
+
+ fail_map_attr:
+	pci_iounmap(pdev, bridge_io);
+
+ fail_map_bridge:
+	pci_release_regions(pdev);
+
+ fail_resources:
+	pci_disable_device(pdev);
+
+	return err;
+}
+
+static void __devexit orinoco_nortel_remove_one(struct pci_dev *pdev)
+{
+	struct orinoco_private *priv = pci_get_drvdata(pdev);
+	struct orinoco_pci_card *card = priv->card;
+
+	/* Clear LEDs */
+	iowrite16(0, card->bridge_io + 10);
+
+	orinoco_if_del(priv);
+	free_irq(pdev->irq, priv);
+	pci_set_drvdata(pdev, NULL);
+	free_orinocodev(priv);
+	pci_iounmap(pdev, priv->hw.iobase);
+	pci_iounmap(pdev, card->attr_io);
+	pci_iounmap(pdev, card->bridge_io);
+	pci_release_regions(pdev);
+	pci_disable_device(pdev);
+}
+
+static DEFINE_PCI_DEVICE_TABLE(orinoco_nortel_id_table) = {
+	/* Nortel emobility PCI */
+	{0x126c, 0x8030, PCI_ANY_ID, PCI_ANY_ID,},
+	/* Symbol LA-4123 PCI */
+	{0x1562, 0x0001, PCI_ANY_ID, PCI_ANY_ID,},
+	{0,},
+};
+
+MODULE_DEVICE_TABLE(pci, orinoco_nortel_id_table);
+
+static struct pci_driver orinoco_nortel_driver = {
+	.name		= DRIVER_NAME,
+	.id_table	= orinoco_nortel_id_table,
+	.probe		= orinoco_nortel_init_one,
+	.remove		= __devexit_p(orinoco_nortel_remove_one),
+	.suspend	= orinoco_pci_suspend,
+	.resume		= orinoco_pci_resume,
+};
+
+static char version[] __initdata = DRIVER_NAME " " DRIVER_VERSION
+	" (Tobias Hoffmann & Christoph Jungegger <disdos@traum404.de>)";
+MODULE_AUTHOR("Christoph Jungegger <disdos@traum404.de>");
+MODULE_DESCRIPTION
+    ("Driver for wireless LAN cards using the Nortel PCI bridge");
+MODULE_LICENSE("Dual MPL/GPL");
+
+static int __init orinoco_nortel_init(void)
+{
+	printk(KERN_DEBUG "%s\n", version);
+	return pci_register_driver(&orinoco_nortel_driver);
+}
+
+static void __exit orinoco_nortel_exit(void)
+{
+	pci_unregister_driver(&orinoco_nortel_driver);
+}
+
+module_init(orinoco_nortel_init);
+module_exit(orinoco_nortel_exit);
+
+/*
+ * Local variables:
+ *  c-indent-level: 8
+ *  c-basic-offset: 8
+ *  tab-width: 8
+ * End:
+ */