Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 133 insertions, 0 deletions

diff --git a/drivers/ssb/bridge_pcmcia_80211.c b/drivers/ssb/bridge_pcmcia_80211.c
new file mode 100644
index 000000000..ffa379eff
--- /dev/null
+++ b/drivers/ssb/bridge_pcmcia_80211.c
@@ -0,0 +1,133 @@
+/*
+ * Broadcom 43xx PCMCIA-SSB bridge module
+ *
+ * Copyright (c) 2007 Michael Buesch <m@bues.ch>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "ssb_private.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 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:
+	dev_err(&dev->dev, "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,
+};
+
+static int pcmcia_init_failed;
+
+/*
+ * These are not module init/exit functions!
+ * The module_pcmcia_driver() helper cannot be used here.
+ */
+int ssb_host_pcmcia_init(void)
+{
+	pcmcia_init_failed = pcmcia_register_driver(&ssb_host_pcmcia_driver);
+
+	return pcmcia_init_failed;
+}
+
+void ssb_host_pcmcia_exit(void)
+{
+	if (!pcmcia_init_failed)
+		pcmcia_unregister_driver(&ssb_host_pcmcia_driver);
+}