add b43

[openwrt.git] / package / b43 / src / pcmcia.c

diff --git a/package/b43/src/pcmcia.c b/package/b43/src/pcmcia.c
new file mode 100644 (file)
index 0000000..3e75a8a
--- /dev/null
+++ b/package/b43/src/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);
+}