Merge branch 'firedtv-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6

* 'firedtv-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
  firedtv: dvb_frontend_info for FireDTV S2, fix "frequency limits undefined" error
  firedtv: massive refactoring
  firedtv: rename files, variables, functions from firesat to firedtv
  firedtv: Use DEFINE_SPINLOCK
  firedtv: fix registration - adapter number could only be zero
  firedtv: use length_field() of PMT as length
  firedtv: fix returned struct for ca_info
  firedtv: cleanups and minor fixes
  ieee1394: remove superfluous assertions
  ieee1394: inherit ud vendor_id from node vendor_id
  ieee1394: add hpsb_node_read() and hpsb_node_lock()
  ieee1394: use correct barrier types between accesses of nodeid and generation
  firesat: copyrights, rename to firedtv, API conversions, fix remote control input
  firesat: avc resend
  firesat: update isochronous interface, add CI support
  firesat: add DVB-S support for DVB-S2 devices
  firesat: fix DVB-S2 device recognition
  DVB: add firesat driver

18 files changed, 2936 insertions, 7 deletions

diff --git a/drivers/ieee1394/dma.h b/drivers/ieee1394/dma.h
index 2727bcd2419..467373cab8e 100644
--- a/drivers/ieee1394/dma.h
+++ b/drivers/ieee1394/dma.h
@@ -12,6 +12,7 @@
 
 #include <asm/types.h>
 
+struct file;
 struct pci_dev;
 struct scatterlist;
 struct vm_area_struct;
diff --git a/drivers/ieee1394/ieee1394_core.c b/drivers/ieee1394/ieee1394_core.c
index 2beb8d94f7b..1028e725a27 100644
--- a/drivers/ieee1394/ieee1394_core.c
+++ b/drivers/ieee1394/ieee1394_core.c
@@ -1314,6 +1314,7 @@ EXPORT_SYMBOL(hpsb_make_lock64packet);
 EXPORT_SYMBOL(hpsb_make_phypacket);
 EXPORT_SYMBOL(hpsb_read);
 EXPORT_SYMBOL(hpsb_write);
+EXPORT_SYMBOL(hpsb_lock);
 EXPORT_SYMBOL(hpsb_packet_success);
 
 /** highlevel.c **/
diff --git a/drivers/ieee1394/ieee1394_transactions.c b/drivers/ieee1394/ieee1394_transactions.c
index 10c3d9f8c03..675b3135d5f 100644
--- a/drivers/ieee1394/ieee1394_transactions.c
+++ b/drivers/ieee1394/ieee1394_transactions.c
@@ -501,8 +501,6 @@ int hpsb_read(struct hpsb_host *host, nodeid_t node, unsigned int generation,
 	if (length == 0)
 		return -EINVAL;
 
-	BUG_ON(in_interrupt());	// We can't be called in an interrupt, yet
-
 	packet = hpsb_make_readpacket(host, node, addr, length);
 
 	if (!packet) {
@@ -550,8 +548,6 @@ int hpsb_write(struct hpsb_host *host, nodeid_t node, unsigned int generation,
 	if (length == 0)
 		return -EINVAL;
 
-	BUG_ON(in_interrupt());	// We can't be called in an interrupt, yet
-
 	packet = hpsb_make_writepacket(host, node, addr, buffer, length);
 
 	if (!packet)
@@ -570,3 +566,30 @@ int hpsb_write(struct hpsb_host *host, nodeid_t node, unsigned int generation,
 
 	return retval;
 }
+
+int hpsb_lock(struct hpsb_host *host, nodeid_t node, unsigned int generation,
+	      u64 addr, int extcode, quadlet_t *data, quadlet_t arg)
+{
+	struct hpsb_packet *packet;
+	int retval = 0;
+
+	packet = hpsb_make_lockpacket(host, node, addr, extcode, data, arg);
+	if (!packet)
+		return -ENOMEM;
+
+	packet->generation = generation;
+	retval = hpsb_send_packet_and_wait(packet);
+	if (retval < 0)
+		goto hpsb_lock_fail;
+
+	retval = hpsb_packet_success(packet);
+
+	if (retval == 0)
+		*data = packet->data[0];
+
+hpsb_lock_fail:
+	hpsb_free_tlabel(packet);
+	hpsb_free_packet(packet);
+
+	return retval;
+}
diff --git a/drivers/ieee1394/ieee1394_transactions.h b/drivers/ieee1394/ieee1394_transactions.h
index d2d5bc3546d..20b693be14b 100644
--- a/drivers/ieee1394/ieee1394_transactions.h
+++ b/drivers/ieee1394/ieee1394_transactions.h
@@ -30,6 +30,8 @@ int hpsb_read(struct hpsb_host *host, nodeid_t node, unsigned int generation,
 	      u64 addr, quadlet_t *buffer, size_t length);
 int hpsb_write(struct hpsb_host *host, nodeid_t node, unsigned int generation,
 	       u64 addr, quadlet_t *buffer, size_t length);
+int hpsb_lock(struct hpsb_host *host, nodeid_t node, unsigned int generation,
+	      u64 addr, int extcode, quadlet_t *data, quadlet_t arg);
 
 #ifdef HPSB_DEBUG_TLABELS
 extern spinlock_t hpsb_tlabel_lock;
diff --git a/drivers/ieee1394/iso.h b/drivers/ieee1394/iso.h
index b5de5f21ef7..c2089c093aa 100644
--- a/drivers/ieee1394/iso.h
+++ b/drivers/ieee1394/iso.h
@@ -13,6 +13,7 @@
 #define IEEE1394_ISO_H
 
 #include <linux/spinlock_types.h>
+#include <linux/wait.h>
 #include <asm/atomic.h>
 #include <asm/types.h>
 
diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c
index 906c5a98d81..53aada5bbe1 100644
--- a/drivers/ieee1394/nodemgr.c
+++ b/drivers/ieee1394/nodemgr.c
@@ -971,6 +971,9 @@ static struct unit_directory *nodemgr_process_unit_directory
 	ud->ud_kv = ud_kv;
 	ud->id = (*id)++;
 
+	/* inherit vendor_id from root directory if none exists in unit dir */
+	ud->vendor_id = ne->vendor_id;
+
 	csr1212_for_each_dir_entry(ne->csr, kv, ud_kv, dentry) {
 		switch (kv->key.id) {
 		case CSR1212_KV_ID_VENDOR:
@@ -1265,7 +1268,8 @@ static void nodemgr_update_node(struct node_entry *ne, struct csr1212_csr *csr,
 		csr1212_destroy_csr(csr);
 	}
 
-	/* Mark the node current */
+	/* Finally, mark the node current */
+	smp_wmb();
 	ne->generation = generation;
 
 	if (ne->in_limbo) {
@@ -1798,7 +1802,7 @@ void hpsb_node_fill_packet(struct node_entry *ne, struct hpsb_packet *packet)
 {
 	packet->host = ne->host;
 	packet->generation = ne->generation;
-	barrier();
+	smp_rmb();
 	packet->node_id = ne->nodeid;
 }
 
@@ -1807,7 +1811,7 @@ int hpsb_node_write(struct node_entry *ne, u64 addr,
 {
 	unsigned int generation = ne->generation;
 
-	barrier();
+	smp_rmb();
 	return hpsb_write(ne->host, ne->nodeid, generation,
 			  addr, buffer, length);
 }
diff --git a/drivers/ieee1394/nodemgr.h b/drivers/ieee1394/nodemgr.h
index 15ea09733e8..ee5acdbd114 100644
--- a/drivers/ieee1394/nodemgr.h
+++ b/drivers/ieee1394/nodemgr.h
@@ -21,9 +21,11 @@
 #define _IEEE1394_NODEMGR_H
 
 #include <linux/device.h>
+#include <asm/system.h>
 #include <asm/types.h>
 
 #include "ieee1394_core.h"
+#include "ieee1394_transactions.h"
 #include "ieee1394_types.h"
 
 struct csr1212_csr;
@@ -154,6 +156,22 @@ static inline int hpsb_node_entry_valid(struct node_entry *ne)
 void hpsb_node_fill_packet(struct node_entry *ne, struct hpsb_packet *packet);
 int hpsb_node_write(struct node_entry *ne, u64 addr,
 		    quadlet_t *buffer, size_t length);
+static inline int hpsb_node_read(struct node_entry *ne, u64 addr,
+				 quadlet_t *buffer, size_t length)
+{
+	unsigned int g = ne->generation;
+
+	smp_rmb();
+	return hpsb_read(ne->host, ne->nodeid, g, addr, buffer, length);
+}
+static inline int hpsb_node_lock(struct node_entry *ne, u64 addr, int extcode,
+				 quadlet_t *buffer, quadlet_t arg)
+{
+	unsigned int g = ne->generation;
+
+	smp_rmb();
+	return hpsb_lock(ne->host, ne->nodeid, g, addr, extcode, buffer, arg);
+}
 int nodemgr_for_each_host(void *data, int (*cb)(struct hpsb_host *, void *));
 
 int init_ieee1394_nodemgr(void);
diff --git a/drivers/media/dvb/Kconfig b/drivers/media/dvb/Kconfig
index 40ebde53b3c..b0198691892 100644
--- a/drivers/media/dvb/Kconfig
+++ b/drivers/media/dvb/Kconfig
@@ -51,6 +51,10 @@ comment "Supported SDMC DM1105 Adapters"
 	depends on DVB_CORE && PCI && I2C
 source "drivers/media/dvb/dm1105/Kconfig"
 
+comment "Supported FireWire (IEEE 1394) Adapters"
+	depends on DVB_CORE && IEEE1394
+source "drivers/media/dvb/firewire/Kconfig"
+
 comment "Supported DVB Frontends"
 	depends on DVB_CORE
 source "drivers/media/dvb/frontends/Kconfig"
diff --git a/drivers/media/dvb/Makefile b/drivers/media/dvb/Makefile
index f91e9eb15e5..6092a5bb5a7 100644
--- a/drivers/media/dvb/Makefile
+++ b/drivers/media/dvb/Makefile
@@ -3,3 +3,5 @@
 #
 
 obj-y        := dvb-core/ frontends/ ttpci/ ttusb-dec/ ttusb-budget/ b2c2/ bt8xx/ dvb-usb/ pluto2/ siano/ dm1105/
+
+obj-$(CONFIG_DVB_FIREDTV)	+= firewire/
diff --git a/drivers/media/dvb/firewire/Kconfig b/drivers/media/dvb/firewire/Kconfig
new file mode 100644
index 00000000000..69028253e98
--- /dev/null
+++ b/drivers/media/dvb/firewire/Kconfig
@@ -0,0 +1,22 @@
+config DVB_FIREDTV
+	tristate "FireDTV and FloppyDTV"
+	depends on DVB_CORE && IEEE1394
+	help
+	  Support for DVB receivers from Digital Everywhere
+	  which are connected via IEEE 1394 (FireWire).
+
+	  These devices don't have an MPEG decoder built in,
+	  so you need an external software decoder to watch TV.
+
+	  To compile this driver as a module, say M here:
+	  the module will be called firedtv.
+
+if DVB_FIREDTV
+
+config DVB_FIREDTV_IEEE1394
+	def_bool IEEE1394
+
+config DVB_FIREDTV_INPUT
+	def_bool INPUT = y || (INPUT = m && DVB_FIREDTV = m)
+
+endif # DVB_FIREDTV
diff --git a/drivers/media/dvb/firewire/Makefile b/drivers/media/dvb/firewire/Makefile
new file mode 100644
index 00000000000..2034695ba19
--- /dev/null
+++ b/drivers/media/dvb/firewire/Makefile
@@ -0,0 +1,8 @@
+obj-$(CONFIG_DVB_FIREDTV) += firedtv.o
+
+firedtv-y := firedtv-avc.o firedtv-ci.o firedtv-dvb.o firedtv-fe.o
+firedtv-$(CONFIG_DVB_FIREDTV_IEEE1394) += firedtv-1394.o
+firedtv-$(CONFIG_DVB_FIREDTV_INPUT)    += firedtv-rc.o
+
+ccflags-y += -Idrivers/media/dvb/dvb-core
+ccflags-$(CONFIG_DVB_FIREDTV_IEEE1394) += -Idrivers/ieee1394
diff --git a/drivers/media/dvb/firewire/firedtv-1394.c b/drivers/media/dvb/firewire/firedtv-1394.c
new file mode 100644
index 00000000000..4e207658c5d
--- /dev/null
+++ b/drivers/media/dvb/firewire/firedtv-1394.c
@@ -0,0 +1,285 @@
+/*
+ * 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/spinlock.h>
+#include <linux/types.h>
+
+#include <dma.h>
+#include <csr1212.h>
+#include <highlevel.h>
+#include <hosts.h>
+#include <ieee1394.h>
+#include <iso.h>
+#include <nodemgr.h>
+
+#include "firedtv.h"
+
+static LIST_HEAD(node_list);
+static DEFINE_SPINLOCK(node_list_lock);
+
+#define FIREWIRE_HEADER_SIZE	4
+#define CIP_HEADER_SIZE		8
+
+static void rawiso_activity_cb(struct hpsb_iso *iso)
+{
+	struct firedtv *f, *fdtv = NULL;
+	unsigned int i, num, packet;
+	unsigned char *buf;
+	unsigned long flags;
+	int count;
+
+	spin_lock_irqsave(&node_list_lock, flags);
+	list_for_each_entry(f, &node_list, list)
+		if (f->backend_data == iso) {
+			fdtv = f;
+			break;
+		}
+	spin_unlock_irqrestore(&node_list_lock, flags);
+
+	packet = iso->first_packet;
+	num = hpsb_iso_n_ready(iso);
+
+	if (!fdtv) {
+		dev_err(fdtv->device, "received at unknown iso channel\n");
+		goto out;
+	}
+
+	for (i = 0; i < num; i++, packet = (packet + 1) % iso->buf_packets) {
+		buf = dma_region_i(&iso->data_buf, unsigned char,
+			iso->infos[packet].offset + CIP_HEADER_SIZE);
+		count = (iso->infos[packet].len - CIP_HEADER_SIZE) /
+			(188 + FIREWIRE_HEADER_SIZE);
+
+		/* ignore empty packet */
+		if (iso->infos[packet].len <= CIP_HEADER_SIZE)
+			continue;
+
+		while (count--) {
+			if (buf[FIREWIRE_HEADER_SIZE] == 0x47)
+				dvb_dmx_swfilter_packets(&fdtv->demux,
+						&buf[FIREWIRE_HEADER_SIZE], 1);
+			else
+				dev_err(fdtv->device,
+					"skipping invalid packet\n");
+			buf += 188 + FIREWIRE_HEADER_SIZE;
+		}
+	}
+out:
+	hpsb_iso_recv_release_packets(iso, num);
+}
+
+static inline struct node_entry *node_of(struct firedtv *fdtv)
+{
+	return container_of(fdtv->device, struct unit_directory, device)->ne;
+}
+
+static int node_lock(struct firedtv *fdtv, u64 addr, void *data, __be32 arg)
+{
+	return hpsb_node_lock(node_of(fdtv), addr, EXTCODE_COMPARE_SWAP, data,
+			      (__force quadlet_t)arg);
+}
+
+static int node_read(struct firedtv *fdtv, u64 addr, void *data, size_t len)
+{
+	return hpsb_node_read(node_of(fdtv), addr, data, len);
+}
+
+static int node_write(struct firedtv *fdtv, u64 addr, void *data, size_t len)
+{
+	return hpsb_node_write(node_of(fdtv), addr, data, len);
+}
+
+#define FDTV_ISO_BUFFER_PACKETS 256
+#define FDTV_ISO_BUFFER_SIZE (FDTV_ISO_BUFFER_PACKETS * 200)
+
+static int start_iso(struct firedtv *fdtv)
+{
+	struct hpsb_iso *iso_handle;
+	int ret;
+
+	iso_handle = hpsb_iso_recv_init(node_of(fdtv)->host,
+				FDTV_ISO_BUFFER_SIZE, FDTV_ISO_BUFFER_PACKETS,
+				fdtv->isochannel, HPSB_ISO_DMA_DEFAULT,
+				-1, /* stat.config.irq_interval */
+				rawiso_activity_cb);
+	if (iso_handle == NULL) {
+		dev_err(fdtv->device, "cannot initialize iso receive\n");
+		return -ENOMEM;
+	}
+	fdtv->backend_data = iso_handle;
+
+	ret = hpsb_iso_recv_start(iso_handle, -1, -1, 0);
+	if (ret != 0) {
+		dev_err(fdtv->device, "cannot start iso receive\n");
+		hpsb_iso_shutdown(iso_handle);
+		fdtv->backend_data = NULL;
+	}
+	return ret;
+}
+
+static void stop_iso(struct firedtv *fdtv)
+{
+	struct hpsb_iso *iso_handle = fdtv->backend_data;
+
+	if (iso_handle != NULL) {
+		hpsb_iso_stop(iso_handle);
+		hpsb_iso_shutdown(iso_handle);
+	}
+	fdtv->backend_data = NULL;
+}
+
+static const struct firedtv_backend fdtv_1394_backend = {
+	.lock		= node_lock,
+	.read		= node_read,
+	.write		= node_write,
+	.start_iso	= start_iso,
+	.stop_iso	= stop_iso,
+};
+
+static void fcp_request(struct hpsb_host *host, int nodeid, int direction,
+			int cts, u8 *data, size_t length)
+{
+	struct firedtv *f, *fdtv = NULL;
+	unsigned long flags;
+	int su;
+
+	if (length == 0 || (data[0] & 0xf0) != 0)
+		return;
+
+	su = data[1] & 0x7;
+
+	spin_lock_irqsave(&node_list_lock, flags);
+	list_for_each_entry(f, &node_list, list)
+		if (node_of(f)->host == host &&
+		    node_of(f)->nodeid == nodeid &&
+		    (f->subunit == su || (f->subunit == 0 && su == 0x7))) {
+			fdtv = f;
+			break;
+		}
+	spin_unlock_irqrestore(&node_list_lock, flags);
+
+	if (fdtv)
+		avc_recv(fdtv, data, length);
+}
+
+static int node_probe(struct device *dev)
+{
+	struct unit_directory *ud =
+			container_of(dev, struct unit_directory, device);
+	struct firedtv *fdtv;
+	int kv_len, err;
+	void *kv_str;
+
+	kv_len = (ud->model_name_kv->value.leaf.len - 2) * sizeof(quadlet_t);
+	kv_str = CSR1212_TEXTUAL_DESCRIPTOR_LEAF_DATA(ud->model_name_kv);
+
+	fdtv = fdtv_alloc(dev, &fdtv_1394_backend, kv_str, kv_len);
+	if (!fdtv)
+		return -ENOMEM;
+
+	/*
+	 * 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;
+
+	spin_lock_irq(&node_list_lock);
+	list_add_tail(&fdtv->list, &node_list);
+	spin_unlock_irq(&node_list_lock);
+
+	err = avc_identify_subunit(fdtv);
+	if (err)
+		goto fail;
+
+	err = fdtv_dvb_register(fdtv);
+	if (err)
+		goto fail;
+
+	avc_register_remote_control(fdtv);
+	return 0;
+fail:
+	spin_lock_irq(&node_list_lock);
+	list_del(&fdtv->list);
+	spin_unlock_irq(&node_list_lock);
+	fdtv_unregister_rc(fdtv);
+fail_free:
+	kfree(fdtv);
+	return err;
+}
+
+static int node_remove(struct device *dev)
+{
+	struct firedtv *fdtv = dev->driver_data;
+
+	fdtv_dvb_unregister(fdtv);
+
+	spin_lock_irq(&node_list_lock);
+	list_del(&fdtv->list);
+	spin_unlock_irq(&node_list_lock);
+
+	cancel_work_sync(&fdtv->remote_ctrl_work);
+	fdtv_unregister_rc(fdtv);
+
+	kfree(fdtv);
+	return 0;
+}
+
+static int node_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",
+	.update		= node_update,
+	.driver         = {
+		.probe  = node_probe,
+		.remove = node_remove,
+	},
+};
+
+static struct hpsb_highlevel fdtv_highlevel = {
+	.name		= "firedtv",
+	.fcp_request	= fcp_request,
+};
+
+int __init fdtv_1394_init(struct ieee1394_device_id id_table[])
+{
+	int ret;
+
+	hpsb_register_highlevel(&fdtv_highlevel);
+	fdtv_driver.id_table = id_table;
+	ret = hpsb_register_protocol(&fdtv_driver);
+	if (ret) {
+		printk(KERN_ERR "firedtv: failed to register protocol\n");
+		hpsb_unregister_highlevel(&fdtv_highlevel);
+	}
+	return ret;
+}
+
+void __exit fdtv_1394_exit(void)
+{
+	hpsb_unregister_protocol(&fdtv_driver);
+	hpsb_unregister_highlevel(&fdtv_highlevel);
+}
diff --git a/drivers/media/dvb/firewire/firedtv-avc.c b/drivers/media/dvb/firewire/firedtv-avc.c
new file mode 100644
index 00000000000..b55d9ccaf33
--- /dev/null
+++ b/drivers/media/dvb/firewire/firedtv-avc.c
@@ -0,0 +1,1315 @@
+/*
+ * FireDTV driver (formerly known as FireSAT)
+ *
+ * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com>
+ * Copyright (C) 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/bug.h>
+#include <linux/crc32.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/jiffies.h>
+#include <linux/kernel.h>
+#include <linux/moduleparam.h>
+#include <linux/mutex.h>
+#include <linux/string.h>
+#include <linux/stringify.h>
+#include <linux/wait.h>
+#include <linux/workqueue.h>
+
+#include "firedtv.h"
+
+#define FCP_COMMAND_REGISTER		0xfffff0000b00ULL
+
+#define AVC_CTYPE_CONTROL		0x0
+#define AVC_CTYPE_STATUS		0x1
+#define AVC_CTYPE_NOTIFY		0x3
+
+#define AVC_RESPONSE_ACCEPTED		0x9
+#define AVC_RESPONSE_STABLE		0xc
+#define AVC_RESPONSE_CHANGED		0xd
+#define AVC_RESPONSE_INTERIM		0xf
+
+#define AVC_SUBUNIT_TYPE_TUNER		(0x05 << 3)
+#define AVC_SUBUNIT_TYPE_UNIT		(0x1f << 3)
+
+#define AVC_OPCODE_VENDOR		0x00
+#define AVC_OPCODE_READ_DESCRIPTOR	0x09
+#define AVC_OPCODE_DSIT			0xc8
+#define AVC_OPCODE_DSD			0xcb
+
+#define DESCRIPTOR_TUNER_STATUS 	0x80
+#define DESCRIPTOR_SUBUNIT_IDENTIFIER	0x00
+
+#define SFE_VENDOR_DE_COMPANYID_0	0x00 /* OUI of Digital Everywhere */
+#define SFE_VENDOR_DE_COMPANYID_1	0x12
+#define SFE_VENDOR_DE_COMPANYID_2	0x87
+
+#define SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL 0x0a
+#define SFE_VENDOR_OPCODE_LNB_CONTROL		0x52
+#define SFE_VENDOR_OPCODE_TUNE_QPSK		0x58 /* for DVB-S */
+
+#define SFE_VENDOR_OPCODE_GET_FIRMWARE_VERSION	0x00
+#define SFE_VENDOR_OPCODE_HOST2CA		0x56
+#define SFE_VENDOR_OPCODE_CA2HOST		0x57
+#define SFE_VENDOR_OPCODE_CISTATUS		0x59
+#define SFE_VENDOR_OPCODE_TUNE_QPSK2		0x60 /* for DVB-S2 */
+
+#define SFE_VENDOR_TAG_CA_RESET			0x00
+#define SFE_VENDOR_TAG_CA_APPLICATION_INFO	0x01
+#define SFE_VENDOR_TAG_CA_PMT			0x02
+#define SFE_VENDOR_TAG_CA_DATE_TIME		0x04
+#define SFE_VENDOR_TAG_CA_MMI			0x05
+#define SFE_VENDOR_TAG_CA_ENTER_MENU		0x07
+
+#define EN50221_LIST_MANAGEMENT_ONLY	0x03
+#define EN50221_TAG_APP_INFO		0x9f8021
+#define EN50221_TAG_CA_INFO		0x9f8031
+
+struct avc_command_frame {
+	int length;
+	u8 ctype;
+	u8 subunit;
+	u8 opcode;
+	u8 operand[509];
+};
+
+struct avc_response_frame {
+	int length;
+	u8 response;
+	u8 subunit;
+	u8 opcode;
+	u8 operand[509];
+};
+
+#define AVC_DEBUG_FCP_SUBACTIONS	1
+#define AVC_DEBUG_FCP_PAYLOADS		2
+
+static int avc_debug;
+module_param_named(debug, avc_debug, int, 0644);
+MODULE_PARM_DESC(debug, "Verbose logging (default = 0"
+	", FCP subactions = "	__stringify(AVC_DEBUG_FCP_SUBACTIONS)
+	", FCP payloads = "	__stringify(AVC_DEBUG_FCP_PAYLOADS)
+	", or all = -1)");
+
+static const char *debug_fcp_ctype(unsigned int ctype)
+{
+	static const char *ctypes[] = {
+		[0x0] = "CONTROL",		[0x1] = "STATUS",
+		[0x2] = "SPECIFIC INQUIRY",	[0x3] = "NOTIFY",
+		[0x4] = "GENERAL INQUIRY",	[0x8] = "NOT IMPLEMENTED",
+		[0x9] = "ACCEPTED",		[0xa] = "REJECTED",
+		[0xb] = "IN TRANSITION",	[0xc] = "IMPLEMENTED/STABLE",
+		[0xd] = "CHANGED",		[0xf] = "INTERIM",
+	};
+	const char *ret = ctype < ARRAY_SIZE(ctypes) ? ctypes[ctype] : NULL;
+
+	return ret ? ret : "?";
+}
+
+static const char *debug_fcp_opcode(unsigned int opcode,
+				    const u8 *data, size_t length)
+{
+	switch (opcode) {
+	case AVC_OPCODE_VENDOR:			break;
+	case AVC_OPCODE_READ_DESCRIPTOR:	return "ReadDescriptor";
+	case AVC_OPCODE_DSIT:			return "DirectSelectInfo.Type";
+	case AVC_OPCODE_DSD:			return "DirectSelectData";
+	default:				return "?";
+	}
+
+	if (length < 7 ||
+	    data[3] != SFE_VENDOR_DE_COMPANYID_0 ||
+	    data[4] != SFE_VENDOR_DE_COMPANYID_1 ||
+	    data[5] != SFE_VENDOR_DE_COMPANYID_2)
+		return "Vendor";
+
+	switch (data[6]) {
+	case SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL:	return "RegisterRC";
+	case SFE_VENDOR_OPCODE_LNB_CONTROL:		return "LNBControl";
+	case SFE_VENDOR_OPCODE_TUNE_QPSK:		return "TuneQPSK";
+	case SFE_VENDOR_OPCODE_HOST2CA:			return "Host2CA";
+	case SFE_VENDOR_OPCODE_CA2HOST:			return "CA2Host";
+	}
+	return "Vendor";
+}
+
+static void debug_fcp(const u8 *data, size_t length)
+{
+	unsigned int subunit_type, subunit_id, op;
+	const char *prefix = data[0] > 7 ? "FCP <- " : "FCP -> ";
+
+	if (avc_debug & AVC_DEBUG_FCP_SUBACTIONS) {
+		subunit_type = data[1] >> 3;
+		subunit_id = data[1] & 7;
+		op = subunit_type == 0x1e || subunit_id == 5 ? ~0 : data[2];
+		printk(KERN_INFO "%ssu=%x.%x l=%d: %-8s - %s\n",
+		       prefix, subunit_type, subunit_id, length,
+		       debug_fcp_ctype(data[0]),
+		       debug_fcp_opcode(op, data, length));
+	}
+
+	if (avc_debug & AVC_DEBUG_FCP_PAYLOADS)
+		print_hex_dump(KERN_INFO, prefix, DUMP_PREFIX_NONE, 16, 1,
+			       data, length, false);
+}
+
+static int __avc_write(struct firedtv *fdtv,
+		const struct avc_command_frame *c, struct avc_response_frame *r)
+{
+	int err, retry;
+
+	if (r)
+		fdtv->avc_reply_received = false;
+
+	for (retry = 0; retry < 6; retry++) {
+		if (unlikely(avc_debug))
+			debug_fcp(&c->ctype, c->length);
+
+		err = fdtv->backend->write(fdtv, FCP_COMMAND_REGISTER,
+					   (void *)&c->ctype, c->length);
+		if (err) {
+			fdtv->avc_reply_received = true;
+			dev_err(fdtv->device, "FCP command write failed\n");
+			return err;
+		}
+
+		if (!r)
+			return 0;
+
+		/*
+		 * AV/C specs say that answers should be sent within 150 ms.
+		 * Time out after 200 ms.
+		 */
+		if (wait_event_timeout(fdtv->avc_wait,
+				       fdtv->avc_reply_received,
+				       msecs_to_jiffies(200)) != 0) {
+			r->length = fdtv->response_length;
+			memcpy(&r->response, fdtv->response, r->length);
+
+			return 0;
+		}
+	}
+	dev_err(fdtv->device, "FCP response timed out\n");
+	return -ETIMEDOUT;
+}
+
+static int avc_write(struct firedtv *fdtv,
+		const struct avc_command_frame *c, struct avc_response_frame *r)
+{
+	int ret;
+
+	if (mutex_lock_interruptible(&fdtv->avc_mutex))
+		return -EINTR;
+
+	ret = __avc_write(fdtv, c, r);
+
+	mutex_unlock(&fdtv->avc_mutex);
+	return ret;
+}
+
+int avc_recv(struct firedtv *fdtv, void *data, size_t length)
+{
+	struct avc_response_frame *r =
+			data - offsetof(struct avc_response_frame, response);
+
+	if (unlikely(avc_debug))
+		debug_fcp(data, length);
+
+	if (length >= 8 &&
+	    r->operand[0] == SFE_VENDOR_DE_COMPANYID_0 &&
+	    r->operand[1] == SFE_VENDOR_DE_COMPANYID_1 &&
+	    r->operand[2] == SFE_VENDOR_DE_COMPANYID_2 &&
+	    r->operand[3] == SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL) {
+		if (r->response == AVC_RESPONSE_CHANGED) {
+			fdtv_handle_rc(fdtv,
+			    r->operand[4] << 8 | r->operand[5]);
+			schedule_work(&fdtv->remote_ctrl_work);
+		} else if (r->response != AVC_RESPONSE_INTERIM) {
+			dev_info(fdtv->device,
+				 "remote control result = %d\n", r->response);
+		}
+		return 0;
+	}
+
+	if (fdtv->avc_reply_received) {
+		dev_err(fdtv->device, "out-of-order AVC response, ignored\n");
+		return -EIO;
+	}
+
+	memcpy(fdtv->response, data, length);
+	fdtv->response_length = length;
+
+	fdtv->avc_reply_received = true;
+	wake_up(&fdtv->avc_wait);
+
+	return 0;
+}
+
+/*
+ * tuning command for setting the relative LNB frequency
+ * (not supported by the AVC standard)
+ */
+static void avc_tuner_tuneqpsk(struct firedtv *fdtv,
+			       struct dvb_frontend_parameters *params,
+			       struct avc_command_frame *c)
+{
+	c->opcode = AVC_OPCODE_VENDOR;
+
+	c->operand[0] = SFE_VENDOR_DE_COMPANYID_0;
+	c->operand[1] = SFE_VENDOR_DE_COMPANYID_1;
+	c->operand[2] = SFE_VENDOR_DE_COMPANYID_2;
+	c->operand[3] = SFE_VENDOR_OPCODE_TUNE_QPSK;
+
+	c->operand[4] = (params->frequency >> 24) & 0xff;
+	c->operand[5] = (params->frequency >> 16) & 0xff;
+	c->operand[6] = (params->frequency >> 8) & 0xff;
+	c->operand[7] = params->frequency & 0xff;
+
+	c->operand[8] = ((params->u.qpsk.symbol_rate / 1000) >> 8) & 0xff;
+	c->operand[9] = (params->u.qpsk.symbol_rate / 1000) & 0xff;
+
+	switch (params->u.qpsk.fec_inner) {
+	case FEC_1_2:	c->operand[10] = 0x1; break;
+	case FEC_2_3:	c->operand[10] = 0x2; break;
+	case FEC_3_4:	c->operand[10] = 0x3; break;
+	case FEC_5_6:	c->operand[10] = 0x4; break;
+	case FEC_7_8:	c->operand[10] = 0x5; break;
+	case FEC_4_5:
+	case FEC_8_9:
+	case FEC_AUTO:
+	default:	c->operand[10] = 0x0;
+	}
+
+	if (fdtv->voltage == 0xff)
+		c->operand[11] = 0xff;
+	else if (fdtv->voltage == SEC_VOLTAGE_18) /* polarisation */
+		c->operand[11] = 0;
+	else
+		c->operand[11] = 1;
+
+	if (fdtv->tone == 0xff)
+		c->operand[12] = 0xff;
+	else if (fdtv->tone == SEC_TONE_ON) /* band */
+		c->operand[12] = 1;
+	else
+		c->operand[12] = 0;
+
+	if (fdtv->type == FIREDTV_DVB_S2) {
+		c->operand[13] = 0x1;
+		c->operand[14] = 0xff;
+		c->operand[15] = 0xff;
+		c->length = 20;
+	} else {
+		c->length = 16;
+	}
+}
+
+static void avc_tuner_dsd_dvb_c(struct dvb_frontend_parameters *params,
+				struct avc_command_frame *c)
+{
+	c->opcode = AVC_OPCODE_DSD;
+
+	c->operand[0] = 0;    /* source plug */
+	c->operand[1] = 0xd2; /* subfunction replace */
+	c->operand[2] = 0x20; /* system id = DVB */
+	c->operand[3] = 0x00; /* antenna number */
+	c->operand[4] = 0x11; /* system_specific_multiplex selection_length */
+
+	/* multiplex_valid_flags, high byte */
+	c->operand[5] =   0 << 7 /* reserved */
+			| 0 << 6 /* Polarisation */
+			| 0 << 5 /* Orbital_Pos */
+			| 1 << 4 /* Frequency */
+			| 1 << 3 /* Symbol_Rate */
+			| 0 << 2 /* FEC_outer */
+			| (params->u.qam.fec_inner  != FEC_AUTO ? 1 << 1 : 0)
+			| (params->u.qam.modulation != QAM_AUTO ? 1 << 0 : 0);
+
+	/* multiplex_valid_flags, low byte */
+	c->operand[6] =   0 << 7 /* NetworkID */
+			| 0 << 0 /* reserved */ ;
+
+	c->operand[7]  = 0x00;
+	c->operand[8]  = 0x00;
+	c->operand[9]  = 0x00;
+	c->operand[10] = 0x00;
+
+	c->operand[11] = (((params->frequency / 4000) >> 16) & 0xff) | (2 << 6);
+	c->operand[12] = ((params->frequency / 4000) >> 8) & 0xff;
+	c->operand[13] = (params->frequency / 4000) & 0xff;
+	c->operand[14] = ((params->u.qpsk.symbol_rate / 1000) >> 12) & 0xff;
+	c->operand[15] = ((params->u.qpsk.symbol_rate / 1000) >> 4) & 0xff;
+	c->operand[16] = ((params->u.qpsk.symbol_rate / 1000) << 4) & 0xf0;
+	c->operand[17] = 0x00;
+
+	switch (params->u.qpsk.fec_inner) {
+	case FEC_1_2:	c->operand[18] = 0x1; break;
+	case FEC_2_3:	c->operand[18] = 0x2; break;
+	case FEC_3_4:	c->operand[18] = 0x3; break;
+	case FEC_5_6:	c->operand[18] = 0x4; break;
+	case FEC_7_8:	c->operand[18] = 0x5; break;
+	case FEC_8_9:	c->operand[18] = 0x6; break;
+	case FEC_4_5:	c->operand[18] = 0x8; break;
+	case FEC_AUTO:
+	default:	c->operand[18] = 0x0;
+	}
+
+	switch (params->u.qam.modulation) {
+	case QAM_16:	c->operand[19] = 0x08; break;
+	case QAM_32:	c->operand[19] = 0x10; break;
+	case QAM_64:	c->operand[19] = 0x18; break;
+	case QAM_128:	c->operand[19] = 0x20; break;
+	case QAM_256:	c->operand[19] = 0x28; break;
+	case QAM_AUTO:
+	default:	c->operand[19] = 0x00;
+	}
+
+	c->operand[20] = 0x00;
+	c->operand[21] = 0x00;
+	/* Nr_of_dsd_sel_specs = 0 -> no PIDs are transmitted */
+	c->operand[22] = 0x00;
+
+	c->length = 28;
+}
+
+static void avc_tuner_dsd_dvb_t(struct dvb_frontend_parameters *params,
+				struct avc_command_frame *c)
+{
+	struct dvb_ofdm_parameters *ofdm = &params->u.ofdm;
+
+	c->opcode = AVC_OPCODE_DSD;
+
+	c->operand[0] = 0;    /* source plug */
+	c->operand[1] = 0xd2; /* subfunction replace */
+	c->