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path: root/kernel/drivers/ssb/bridge_pcmcia_80211.c
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Diffstat (limited to 'kernel/drivers/ssb/bridge_pcmcia_80211.c')
-rw-r--r--kernel/drivers/ssb/bridge_pcmcia_80211.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/kernel/drivers/ssb/bridge_pcmcia_80211.c b/kernel/drivers/ssb/bridge_pcmcia_80211.c
new file mode 100644
index 000000000..d70568ea0
--- /dev/null
+++ b/kernel/drivers/ssb/bridge_pcmcia_80211.c
@@ -0,0 +1,128 @@
+/*
+ * Broadcom 43xx PCMCIA-SSB bridge module
+ *
+ * Copyright (c) 2007 Michael Buesch <m@bues.ch>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#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>
+
+#include "ssb_private.h"
+
+static const struct pcmcia_device_id ssb_host_pcmcia_tbl[] = {
+ PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x448),
+ PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x476),
+ PCMCIA_DEVICE_NULL,
+};
+
+MODULE_DEVICE_TABLE(pcmcia, ssb_host_pcmcia_tbl);
+
+static int ssb_host_pcmcia_probe(struct pcmcia_device *dev)
+{
+ struct ssb_bus *ssb;
+ int err = -ENOMEM;
+ int res = 0;
+
+ ssb = kzalloc(sizeof(*ssb), GFP_KERNEL);
+ if (!ssb)
+ goto out_error;
+
+ err = -ENODEV;
+
+ 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);
+ if (res != 0)
+ goto err_kfree_ssb;
+
+ res = pcmcia_map_mem_page(dev, dev->resource[2], 0);
+ if (res != 0)
+ goto err_disable;
+
+ if (!dev->irq)
+ goto err_disable;
+
+ res = pcmcia_enable_device(dev);
+ if (res != 0)
+ goto err_disable;
+
+ err = ssb_bus_pcmciabus_register(ssb, dev, dev->resource[2]->start);
+ if (err)
+ goto err_disable;
+ dev->priv = ssb;
+
+ return 0;
+
+err_disable:
+ pcmcia_disable_device(dev);
+err_kfree_ssb:
+ kfree(ssb);
+out_error:
+ ssb_err("Initialization failed (%d, %d)\n", res, err);
+ return err;
+}
+
+static void ssb_host_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;
+}
+
+#ifdef CONFIG_PM
+static int ssb_host_pcmcia_suspend(struct pcmcia_device *dev)
+{
+ struct ssb_bus *ssb = dev->priv;
+
+ return ssb_bus_suspend(ssb);
+}
+
+static int ssb_host_pcmcia_resume(struct pcmcia_device *dev)
+{
+ struct ssb_bus *ssb = dev->priv;
+
+ return ssb_bus_resume(ssb);
+}
+#else /* CONFIG_PM */
+# define ssb_host_pcmcia_suspend NULL
+# define ssb_host_pcmcia_resume NULL
+#endif /* CONFIG_PM */
+
+static struct pcmcia_driver ssb_host_pcmcia_driver = {
+ .owner = THIS_MODULE,
+ .name = "ssb-pcmcia",
+ .id_table = ssb_host_pcmcia_tbl,
+ .probe = ssb_host_pcmcia_probe,
+ .remove = ssb_host_pcmcia_remove,
+ .suspend = ssb_host_pcmcia_suspend,
+ .resume = ssb_host_pcmcia_resume,
+};
+
+/*
+ * These are not module init/exit functions!
+ * The module_pcmcia_driver() helper cannot be used here.
+ */
+int ssb_host_pcmcia_init(void)
+{
+ return pcmcia_register_driver(&ssb_host_pcmcia_driver);
+}
+
+void ssb_host_pcmcia_exit(void)
+{
+ pcmcia_unregister_driver(&ssb_host_pcmcia_driver);
+}