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path: root/drivers/media/dvb/firewire/firedtv-1394.c
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Diffstat (limited to 'drivers/media/dvb/firewire/firedtv-1394.c')
-rw-r--r--drivers/media/dvb/firewire/firedtv-1394.c291
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");