fishHEADmaster

1 files changed, 180 insertions, 0 deletions

diff --git a/drivers/net/wireless/b43/pcmcia.c b/drivers/net/wireless/b43/pcmcia.c
new file mode 100644
index 0000000..48f96a4
--- /dev/null
+++ b/drivers/net/wireless/b43/pcmcia.c
@@ -0,0 +1,180 @@
+/*
+
+  Broadcom B43 wireless driver
+
+  Copyright (c) 2007 Michael Buesch <m@bues.ch>
+
+  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
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; see the file COPYING.  If not, write to
+  the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
+  Boston, MA 02110-1301, USA.
+
+*/
+
+#include "pcmcia.h"
+
+#include <linux/ssb/ssb.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+
+#include <pcmcia/cistpl.h>
+#include <pcmcia/ciscode.h>
+#include <pcmcia/ds.h>
+#include <pcmcia/cisreg.h>
+
+
+static const struct pcmcia_device_id b43_pcmcia_tbl[] = {
+	PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x448),
+	PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x476),
+	PCMCIA_DEVICE_NULL,
+};
+
+MODULE_DEVICE_TABLE(pcmcia, b43_pcmcia_tbl);
+
+#ifdef CONFIG_PM
+static int b43_pcmcia_suspend(struct pcmcia_device *dev)
+{
+	struct ssb_bus *ssb = dev->priv;
+
+	return ssb_bus_suspend(ssb);
+}
+
+static int b43_pcmcia_resume(struct pcmcia_device *dev)
+{
+	struct ssb_bus *ssb = dev->priv;
+
+	return ssb_bus_resume(ssb);
+}
+#else /* CONFIG_PM */
+# define b43_pcmcia_suspend		NULL
+# define b43_pcmcia_resume		NULL
+#endif /* CONFIG_PM */
+
+static int b43_pcmcia_probe(struct pcmcia_device *dev)
+{
+	struct ssb_bus *ssb;
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,37))
+	win_req_t win;
+#endif
+	int err = -ENOMEM;
+	int res = 0;
+
+	ssb = kzalloc(sizeof(*ssb), GFP_KERNEL);
+	if (!ssb)
+		goto out_error;
+
+	err = -ENODEV;
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
+	dev->config_flags |= CONF_ENABLE_IRQ;
+
+	dev->resource[2]->flags |=  WIN_ENABLE | WIN_DATA_WIDTH_16 |
+			 WIN_USE_WAIT;
+	dev->resource[2]->start = 0;
+	dev->resource[2]->end = SSB_CORE_SIZE;
+	res = pcmcia_request_window(dev, dev->resource[2], 250);
+#else
+	dev->conf.Attributes = CONF_ENABLE_IRQ;
+	dev->conf.IntType = INT_MEMORY_AND_IO;
+
+	win.Attributes =  WIN_ENABLE | WIN_DATA_WIDTH_16 |
+			 WIN_USE_WAIT;
+	win.Base = 0;
+	win.Size = SSB_CORE_SIZE;
+	win.AccessSpeed = 250;
+	res = pcmcia_request_window(dev, &win, &dev->win);
+#endif
+	if (res != 0)
+		goto err_kfree_ssb;
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
+	res = pcmcia_map_mem_page(dev, dev->resource[2], 0);
+#else
+	res = pcmcia_map_mem_page(dev, dev->win, 0);
+#endif
+	if (res != 0)
+		goto err_disable;
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
+	if (!dev->irq)
+#else
+	dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
+	dev->irq.Handler = NULL; /* The handler is registered later. */
+	res = pcmcia_request_irq(dev, &dev->irq);
+	if (res != 0)
+#endif
+		goto err_disable;
+
+	res = pcmcia_enable_device(dev);
+	if (res != 0)
+		goto err_disable;
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
+	err = ssb_bus_pcmciabus_register(ssb, dev, dev->resource[2]->start);
+#else
+	err = ssb_bus_pcmciabus_register(ssb, dev, win.Base);
+#endif
+	if (err)
+		goto err_disable;
+	dev->priv = ssb;
+
+	return 0;
+
+err_disable:
+	pcmcia_disable_device(dev);
+err_kfree_ssb:
+	kfree(ssb);
+out_error:
+	printk(KERN_ERR "b43-pcmcia: Initialization failed (%d, %d)\n",
+	       res, err);
+	return err;
+}
+
+static void b43_pcmcia_remove(struct pcmcia_device *dev)
+{
+	struct ssb_bus *ssb = dev->priv;
+
+	ssb_bus_unregister(ssb);
+	pcmcia_disable_device(dev);
+	kfree(ssb);
+	dev->priv = NULL;
+}
+
+static struct pcmcia_driver b43_pcmcia_driver = {
+	.owner		= THIS_MODULE,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
+	.name		= "b43-pcmcia",
+#else
+	.drv		= {
+		.name	= "b43-pcmcia",
+	},
+#endif
+	.id_table	= b43_pcmcia_tbl,
+	.probe		= b43_pcmcia_probe,
+	.remove		= b43_pcmcia_remove,
+	.suspend	= b43_pcmcia_suspend,
+	.resume		= b43_pcmcia_resume,
+};
+
+/*
+ * These are not module init/exit functions!
+ * The module_pcmcia_driver() helper cannot be used here.
+ */
+int b43_pcmcia_init(void)
+{
+	return pcmcia_register_driver(&b43_pcmcia_driver);
+}
+
+void b43_pcmcia_exit(void)
+{
+	pcmcia_unregister_driver(&b43_pcmcia_driver);
+}