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authorMichael Buesch <mb@bu3sch.de>2007-09-18 15:39:42 -0400
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:51:37 -0700
commite4d6b7951812d98417feb10784e400e253caf633 (patch)
tree4f653c52b4cffd5ade2eb166a56b306c9181ed08 /drivers/net/wireless/b43/pcmcia.c
parent61e115a56d1aafd6e6a8a9fee8ac099a6128ac7b (diff)
[B43]: add mac80211-based driver for modern BCM43xx devices
Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/wireless/b43/pcmcia.c')
-rw-r--r--drivers/net/wireless/b43/pcmcia.c157
1 files changed, 157 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/pcmcia.c b/drivers/net/wireless/b43/pcmcia.c
new file mode 100644
index 000000000000..3e75a8a12c96
--- /dev/null
+++ b/drivers/net/wireless/b43/pcmcia.c
@@ -0,0 +1,157 @@
+/*
+
+ Broadcom B43 wireless driver
+
+ Copyright (c) 2007 Michael Buesch <mb@bu3sch.de>
+
+ 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 <linux/ssb/ssb.h>
+
+#include <pcmcia/cs_types.h>
+#include <pcmcia/cs.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_NULL,
+};
+
+MODULE_DEVICE_TABLE(pcmcia, b43_pcmcia_tbl);
+
+#ifdef CONFIG_PM
+static int b43_pcmcia_suspend(struct pcmcia_device *dev)
+{
+ //TODO
+ return 0;
+}
+
+static int b43_pcmcia_resume(struct pcmcia_device *dev)
+{
+ //TODO
+ return 0;
+}
+#else /* CONFIG_PM */
+# define b43_pcmcia_suspend NULL
+# define b43_pcmcia_resume NULL
+#endif /* CONFIG_PM */
+
+static int __devinit b43_pcmcia_probe(struct pcmcia_device *dev)
+{
+ struct ssb_bus *ssb;
+ win_req_t win;
+ memreq_t mem;
+ tuple_t tuple;
+ cisparse_t parse;
+ int err = -ENOMEM;
+ int res;
+ unsigned char buf[64];
+
+ ssb = kzalloc(sizeof(*ssb), GFP_KERNEL);
+ if (!ssb)
+ goto out;
+
+ err = -ENODEV;
+ tuple.DesiredTuple = CISTPL_CONFIG;
+ tuple.Attributes = 0;
+ tuple.TupleData = buf;
+ tuple.TupleDataMax = sizeof(buf);
+ tuple.TupleOffset = 0;
+
+ res = pcmcia_get_first_tuple(dev, &tuple);
+ if (res != CS_SUCCESS)
+ goto err_kfree_ssb;
+ res = pcmcia_get_tuple_data(dev, &tuple);
+ if (res != CS_SUCCESS)
+ goto err_kfree_ssb;
+ res = pcmcia_parse_tuple(dev, &tuple, &parse);
+ if (res != CS_SUCCESS)
+ goto err_kfree_ssb;
+
+ dev->conf.ConfigBase = parse.config.base;
+ dev->conf.Present = parse.config.rmask[0];
+
+ dev->io.BasePort2 = 0;
+ dev->io.NumPorts2 = 0;
+ dev->io.Attributes2 = 0;
+
+ win.Attributes = WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
+ win.Base = 0;
+ win.Size = SSB_CORE_SIZE;
+ win.AccessSpeed = 1000;
+ res = pcmcia_request_window(&dev, &win, &dev->win);
+ if (res != CS_SUCCESS)
+ goto err_kfree_ssb;
+
+ mem.CardOffset = 0;
+ mem.Page = 0;
+ res = pcmcia_map_mem_page(dev->win, &mem);
+ if (res != CS_SUCCESS)
+ goto err_kfree_ssb;
+
+ res = pcmcia_request_configuration(dev, &dev->conf);
+ if (res != CS_SUCCESS)
+ goto err_disable;
+
+ err = ssb_bus_pcmciabus_register(ssb, dev, win.Base);
+ dev->priv = ssb;
+
+ out:
+ return err;
+ err_disable:
+ pcmcia_disable_device(dev);
+ err_kfree_ssb:
+ kfree(ssb);
+ return err;
+}
+
+static void __devexit b43_pcmcia_remove(struct pcmcia_device *dev)
+{
+ struct ssb_bus *ssb = dev->priv;
+
+ ssb_bus_unregister(ssb);
+ pcmcia_release_window(dev->win);
+ pcmcia_disable_device(dev);
+ kfree(ssb);
+ dev->priv = NULL;
+}
+
+static struct pcmcia_driver b43_pcmcia_driver = {
+ .owner = THIS_MODULE,
+ .drv = {
+ .name = "b43-pcmcia",
+ },
+ .id_table = b43_pcmcia_tbl,
+ .probe = b43_pcmcia_probe,
+ .remove = b43_pcmcia_remove,
+ .suspend = b43_pcmcia_suspend,
+ .resume = b43_pcmcia_resume,
+};
+
+int b43_pcmcia_init(void)
+{
+ return pcmcia_register_driver(&b43_pcmcia_driver);
+}
+
+void b43_pcmcia_exit(void)
+{
+ pcmcia_unregister_driver(&b43_pcmcia_driver);
+}