1 files changed, 291 insertions, 0 deletions
diff --git a/drivers/media/dvb/firewire/firedtv-1394.c b/drivers/media/dvb/firewire/firedtv-1394.c
new file mode 100644
index 00000000000..953618246e8
--- /dev/null
+++ b/drivers/media/dvb/firewire/firedtv-1394.c
@@ -0,0 +1,291 @@
+/*
+ * FireDTV driver (formerly known as FireSAT)
+ *
+ * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com>
+ * Copyright (C) 2007-2008 Ben Backx <ben@bbackx.com>
+ * Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se>
+ *
+ *	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.
+ */
+
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/string.h>
+#include <linux/types.h>
+
+#include <dmxdev.h>
+#include <dvb_demux.h>
+#include <dvb_frontend.h>
+#include <dvbdev.h>
+
+#include <csr1212.h>
+#include <highlevel.h>
+#include <hosts.h>
+#include <ieee1394_hotplug.h>
+#include <nodemgr.h>
+
+#include "avc.h"
+#include "cmp.h"
+#include "firedtv.h"
+#include "firedtv-ci.h"
+#include "firedtv-rc.h"
+
+#define MATCH_FLAGS	IEEE1394_MATCH_VENDOR_ID | IEEE1394_MATCH_MODEL_ID | \
+			IEEE1394_MATCH_SPECIFIER_ID | IEEE1394_MATCH_VERSION
+#define DIGITAL_EVERYWHERE_OUI   0x001287
+
+static struct ieee1394_device_id fdtv_id_table[] = {
+
+	{
+		/* FloppyDTV S/CI and FloppyDTV S2 */
+		.match_flags	= MATCH_FLAGS,
+		.vendor_id	= DIGITAL_EVERYWHERE_OUI,
+		.model_id	= 0x000024,
+		.specifier_id	= AVC_UNIT_SPEC_ID_ENTRY,
+		.version	= AVC_SW_VERSION_ENTRY,
+	},{
+		/* FloppyDTV T/CI */
+		.match_flags	= MATCH_FLAGS,
+		.vendor_id	= DIGITAL_EVERYWHERE_OUI,
+		.model_id	= 0x000025,
+		.specifier_id	= AVC_UNIT_SPEC_ID_ENTRY,
+		.version	= AVC_SW_VERSION_ENTRY,
+	},{
+		/* FloppyDTV C/CI */
+		.match_flags	= MATCH_FLAGS,
+		.vendor_id	= DIGITAL_EVERYWHERE_OUI,
+		.model_id	= 0x000026,
+		.specifier_id	= AVC_UNIT_SPEC_ID_ENTRY,
+		.version	= AVC_SW_VERSION_ENTRY,
+	},{
+		/* FireDTV S/CI and FloppyDTV S2 */
+		.match_flags	= MATCH_FLAGS,
+		.vendor_id	= DIGITAL_EVERYWHERE_OUI,
+		.model_id	= 0x000034,
+		.specifier_id	= AVC_UNIT_SPEC_ID_ENTRY,
+		.version	= AVC_SW_VERSION_ENTRY,
+	},{
+		/* FireDTV T/CI */
+		.match_flags	= MATCH_FLAGS,
+		.vendor_id	= DIGITAL_EVERYWHERE_OUI,
+		.model_id	= 0x000035,
+		.specifier_id	= AVC_UNIT_SPEC_ID_ENTRY,
+		.version	= AVC_SW_VERSION_ENTRY,
+	},{
+		/* FireDTV C/CI */
+		.match_flags	= MATCH_FLAGS,
+		.vendor_id	= DIGITAL_EVERYWHERE_OUI,
+		.model_id	= 0x000036,
+		.specifier_id	= AVC_UNIT_SPEC_ID_ENTRY,
+		.version	= AVC_SW_VERSION_ENTRY,
+	}, { }
+};
+
+MODULE_DEVICE_TABLE(ieee1394, fdtv_id_table);
+
+/* list of all firedtv devices */
+LIST_HEAD(fdtv_list);
+DEFINE_SPINLOCK(fdtv_list_lock);
+
+static void fcp_request(struct hpsb_host *host,
+			int nodeid,
+			int direction,
+			int cts,
+			u8 *data,
+			size_t length)
+{
+	struct firedtv *fdtv = NULL;
+	struct firedtv *fdtv_entry;
+	unsigned long flags;
+
+	if (length > 0 && ((data[0] & 0xf0) >> 4) == 0) {
+
+		spin_lock_irqsave(&fdtv_list_lock, flags);
+		list_for_each_entry(fdtv_entry,&fdtv_list,list) {
+			if (fdtv_entry->ud->ne->host == host &&
+			    fdtv_entry->ud->ne->nodeid == nodeid &&
+			    (fdtv_entry->subunit == (data[1]&0x7) ||
+			     (fdtv_entry->subunit == 0 &&
+			      (data[1]&0x7) == 0x7))) {
+				fdtv=fdtv_entry;
+				break;
+			}
+		}
+		spin_unlock_irqrestore(&fdtv_list_lock, flags);
+
+		if (fdtv)
+			avc_recv(fdtv, data, length);
+	}
+}
+
+const char *fdtv_model_names[] = {
+	[FIREDTV_UNKNOWN] = "unknown type",
+	[FIREDTV_DVB_S]   = "FireDTV S/CI",
+	[FIREDTV_DVB_C]   = "FireDTV C/CI",
+	[FIREDTV_DVB_T]   = "FireDTV T/CI",
+	[FIREDTV_DVB_S2]  = "FireDTV S2  ",
+};
+
+static int fdtv_probe(struct device *dev)
+{
+	struct unit_directory *ud =
+			container_of(dev, struct unit_directory, device);
+	struct firedtv *fdtv;
+	unsigned long flags;
+	int kv_len;
+	void *kv_str;
+	int i;
+	int err = -ENOMEM;
+
+	fdtv = kzalloc(sizeof(*fdtv), GFP_KERNEL);
+	if (!fdtv)
+		return -ENOMEM;
+
+	dev->driver_data	= fdtv;
+	fdtv->ud		= ud;
+	fdtv->subunit		= 0;
+	fdtv->isochannel	= -1;
+	fdtv->tone		= 0xff;
+	fdtv->voltage		= 0xff;
+
+	mutex_init(&fdtv->avc_mutex);
+	init_waitqueue_head(&fdtv->avc_wait);
+	fdtv->avc_reply_received = true;
+	mutex_init(&fdtv->demux_mutex);
+	INIT_WORK(&fdtv->remote_ctrl_work, avc_remote_ctrl_work);
+
+	/* Reading device model from ROM */
+	kv_len = (ud->model_name_kv->value.leaf.len - 2) * sizeof(quadlet_t);
+	kv_str = CSR1212_TEXTUAL_DESCRIPTOR_LEAF_DATA(ud->model_name_kv);
+	for (i = ARRAY_SIZE(fdtv_model_names); --i;)
+		if (strlen(fdtv_model_names[i]) <= kv_len &&
+		    strncmp(kv_str, fdtv_model_names[i], kv_len) == 0)
+			break;
+	fdtv->type = i;
+
+	/*
+	 * Work around a bug in udev's path_id script:  Use the fw-host's dev
+	 * instead of the unit directory's dev as parent of the input device.
+	 */
+	err = fdtv_register_rc(fdtv, dev->parent->parent);
+	if (err)
+		goto fail_free;
+
+	INIT_LIST_HEAD(&fdtv->list);
+	spin_lock_irqsave(&fdtv_list_lock, flags);
+	list_add_tail(&fdtv->list, &fdtv_list);
+	spin_unlock_irqrestore(&fdtv_list_lock, flags);
+
+	err = avc_identify_subunit(fdtv);
+	if (err)
+		goto fail;
+
+	err = fdtv_dvbdev_init(fdtv, dev);
+	if (err)
+		goto fail;
+
+	avc_register_remote_control(fdtv);
+	return 0;
+
+fail:
+	spin_lock_irqsave(&fdtv_list_lock, flags);
+	list_del(&fdtv->list);
+	spin_unlock_irqrestore(&fdtv_list_lock, flags);
+	fdtv_unregister_rc(fdtv);
+fail_free:
+	kfree(fdtv);
+	return err;
+}
+
+static int fdtv_remove(struct device *dev)
+{
+	struct firedtv *fdtv = dev->driver_data;
+	unsigned long flags;
+
+	fdtv_ca_release(fdtv);
+	dvb_unregister_frontend(&fdtv->fe);
+	dvb_net_release(&fdtv->dvbnet);
+	fdtv->demux.dmx.close(&fdtv->demux.dmx);
+	fdtv->demux.dmx.remove_frontend(&fdtv->demux.dmx,
+					   &fdtv->frontend);
+	dvb_dmxdev_release(&fdtv->dmxdev);
+	dvb_dmx_release(&fdtv->demux);
+	dvb_unregister_adapter(&fdtv->adapter);
+
+	spin_lock_irqsave(&fdtv_list_lock, flags);
+	list_del(&fdtv->list);
+	spin_unlock_irqrestore(&fdtv_list_lock, flags);
+
+	cancel_work_sync(&fdtv->remote_ctrl_work);
+	fdtv_unregister_rc(fdtv);
+
+	kfree(fdtv);
+	return 0;
+}
+
+static int fdtv_update(struct unit_directory *ud)
+{
+	struct firedtv *fdtv = ud->device.driver_data;
+
+	if (fdtv->isochannel >= 0)
+		cmp_establish_pp_connection(fdtv, fdtv->subunit,
+					    fdtv->isochannel);
+	return 0;
+}
+
+static struct hpsb_protocol_driver fdtv_driver = {
+
+	.name		= "firedtv",
+	.id_table	= fdtv_id_table,
+	.update		= fdtv_update,
+
+	.driver         = {
+		//.name and .bus are filled in for us in more recent linux versions
+		//.name	= "FireDTV",
+		//.bus	= &ieee1394_bus_type,
+		.probe  = fdtv_probe,
+		.remove = fdtv_remove,
+	},
+};
+
+static struct hpsb_highlevel fdtv_highlevel = {
+	.name		= "firedtv",
+	.fcp_request	= fcp_request,
+};
+
+static int __init fdtv_init(void)
+{
+	int ret;
+
+	hpsb_register_highlevel(&fdtv_highlevel);
+	ret = hpsb_register_protocol(&fdtv_driver);
+	if (ret) {
+		printk(KERN_ERR "firedtv: failed to register protocol\n");
+		hpsb_unregister_highlevel(&fdtv_highlevel);
+	}
+	return ret;
+}
+
+static void __exit fdtv_exit(void)
+{
+	hpsb_unregister_protocol(&fdtv_driver);
+	hpsb_unregister_highlevel(&fdtv_highlevel);
+}
+
+module_init(fdtv_init);
+module_exit(fdtv_exit);
+
+MODULE_AUTHOR("Andreas Monitzer <andy@monitzer.com>");
+MODULE_AUTHOR("Ben Backx <ben@bbackx.com>");
+MODULE_DESCRIPTION("FireDTV DVB Driver");
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("FireDTV DVB");