[media] dvb-usb: move it to drivers/media/usb/dvb-usb

As media/dvb will be removed, move it to a proper place.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 1764 deletions

diff --git a/drivers/media/dvb/ttusb-dec/ttusb_dec.c b/drivers/media/dvb/ttusb-dec/ttusb_dec.c
deleted file mode 100644
index 504c81230339..000000000000
--- a/drivers/media/dvb/ttusb-dec/ttusb_dec.c
+++ /dev/null
@@ -1,1764 +0,0 @@
-/*
- * TTUSB DEC Driver
- *
- * Copyright (C) 2003-2004 Alex Woods <linux-dvb@giblets.org>
- * IR support by Peter Beutner <p.beutner@gmx.net>
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include <linux/list.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/usb.h>
-#include <linux/interrupt.h>
-#include <linux/firmware.h>
-#include <linux/crc32.h>
-#include <linux/init.h>
-#include <linux/input.h>
-
-#include <linux/mutex.h>
-
-#include "dmxdev.h"
-#include "dvb_demux.h"
-#include "dvb_filter.h"
-#include "dvb_frontend.h"
-#include "dvb_net.h"
-#include "ttusbdecfe.h"
-
-static int debug;
-static int output_pva;
-static int enable_rc;
-
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
-module_param(output_pva, int, 0444);
-MODULE_PARM_DESC(output_pva, "Output PVA from dvr device (default:off)");
-module_param(enable_rc, int, 0644);
-MODULE_PARM_DESC(enable_rc, "Turn on/off IR remote control(default: off)");
-
-DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
-
-#define dprintk	if (debug) printk
-
-#define DRIVER_NAME		"TechnoTrend/Hauppauge DEC USB"
-
-#define COMMAND_PIPE		0x03
-#define RESULT_PIPE		0x04
-#define IN_PIPE			0x08
-#define OUT_PIPE		0x07
-#define IRQ_PIPE		0x0A
-
-#define COMMAND_PACKET_SIZE	0x3c
-#define ARM_PACKET_SIZE		0x1000
-#define IRQ_PACKET_SIZE		0x8
-
-#define ISO_BUF_COUNT		0x04
-#define FRAMES_PER_ISO_BUF	0x04
-#define ISO_FRAME_SIZE		0x0380
-
-#define	MAX_PVA_LENGTH		6144
-
-enum ttusb_dec_model {
-	TTUSB_DEC2000T,
-	TTUSB_DEC2540T,
-	TTUSB_DEC3000S
-};
-
-enum ttusb_dec_packet_type {
-	TTUSB_DEC_PACKET_PVA,
-	TTUSB_DEC_PACKET_SECTION,
-	TTUSB_DEC_PACKET_EMPTY
-};
-
-enum ttusb_dec_interface {
-	TTUSB_DEC_INTERFACE_INITIAL,
-	TTUSB_DEC_INTERFACE_IN,
-	TTUSB_DEC_INTERFACE_OUT
-};
-
-struct ttusb_dec {
-	enum ttusb_dec_model		model;
-	char				*model_name;
-	char				*firmware_name;
-	int				can_playback;
-
-	/* DVB bits */
-	struct dvb_adapter		adapter;
-	struct dmxdev			dmxdev;
-	struct dvb_demux		demux;
-	struct dmx_frontend		frontend;
-	struct dvb_net			dvb_net;
-	struct dvb_frontend*		fe;
-
-	u16			pid[DMX_PES_OTHER];
-
-	/* USB bits */
-	struct usb_device		*udev;
-	u8				trans_count;
-	unsigned int			command_pipe;
-	unsigned int			result_pipe;
-	unsigned int			in_pipe;
-	unsigned int			out_pipe;
-	unsigned int			irq_pipe;
-	enum ttusb_dec_interface	interface;
-	struct mutex			usb_mutex;
-
-	void			*irq_buffer;
-	struct urb		*irq_urb;
-	dma_addr_t		irq_dma_handle;
-	void			*iso_buffer;
-	dma_addr_t		iso_dma_handle;
-	struct urb		*iso_urb[ISO_BUF_COUNT];
-	int			iso_stream_count;
-	struct mutex		iso_mutex;
-
-	u8				packet[MAX_PVA_LENGTH + 4];
-	enum ttusb_dec_packet_type	packet_type;
-	int				packet_state;
-	int				packet_length;
-	int				packet_payload_length;
-	u16				next_packet_id;
-
-	int				pva_stream_count;
-	int				filter_stream_count;
-
-	struct dvb_filter_pes2ts	a_pes2ts;
-	struct dvb_filter_pes2ts	v_pes2ts;
-
-	u8			v_pes[16 + MAX_PVA_LENGTH];
-	int			v_pes_length;
-	int			v_pes_postbytes;
-
-	struct list_head	urb_frame_list;
-	struct tasklet_struct	urb_tasklet;
-	spinlock_t		urb_frame_list_lock;
-
-	struct dvb_demux_filter	*audio_filter;
-	struct dvb_demux_filter	*video_filter;
-	struct list_head	filter_info_list;
-	spinlock_t		filter_info_list_lock;
-
-	struct input_dev	*rc_input_dev;
-	char			rc_phys[64];
-
-	int			active; /* Loaded successfully */
-};
-
-struct urb_frame {
-	u8			data[ISO_FRAME_SIZE];
-	int			length;
-	struct list_head	urb_frame_list;
-};
-
-struct filter_info {
-	u8			stream_id;
-	struct dvb_demux_filter	*filter;
-	struct list_head	filter_info_list;
-};
-
-static u16 rc_keys[] = {
-	KEY_POWER,
-	KEY_MUTE,
-	KEY_1,
-	KEY_2,
-	KEY_3,
-	KEY_4,
-	KEY_5,
-	KEY_6,
-	KEY_7,
-	KEY_8,
-	KEY_9,
-	KEY_0,
-	KEY_CHANNELUP,
-	KEY_VOLUMEDOWN,
-	KEY_OK,
-	KEY_VOLUMEUP,
-	KEY_CHANNELDOWN,
-	KEY_PREVIOUS,
-	KEY_ESC,
-	KEY_RED,
-	KEY_GREEN,
-	KEY_YELLOW,
-	KEY_BLUE,
-	KEY_OPTION,
-	KEY_M,
-	KEY_RADIO
-};
-
-static void ttusb_dec_set_model(struct ttusb_dec *dec,
-				enum ttusb_dec_model model);
-
-static void ttusb_dec_handle_irq( struct urb *urb)
-{
-	struct ttusb_dec * dec = urb->context;
-	char *buffer = dec->irq_buffer;
-	int retval;
-
-	switch(urb->status) {
-		case 0: /*success*/
-			break;
-		case -ECONNRESET:
-		case -ENOENT:
-		case -ESHUTDOWN:
-		case -ETIME:
-			/* this urb is dead, cleanup */
-			dprintk("%s:urb shutting down with status: %d\n",
-					__func__, urb->status);
-			return;
-		default:
-			dprintk("%s:nonzero status received: %d\n",
-					__func__,urb->status);
-			goto exit;
-	}
-
-	if( (buffer[0] == 0x1) && (buffer[2] == 0x15) )  {
-		/* IR - Event */
-		/* this is an fact a bit too simple implementation;
-		 * the box also reports a keyrepeat signal
-		 * (with buffer[3] == 0x40) in an intervall of ~100ms.
-		 * But to handle this correctly we had to imlemenent some
-		 * kind of timer which signals a 'key up' event if no
-		 * keyrepeat signal is received for lets say 200ms.
-		 * this should/could be added later ...
-		 * for now lets report each signal as a key down and up*/
-		dprintk("%s:rc signal:%d\n", __func__, buffer[4]);
-		input_report_key(dec->rc_input_dev, rc_keys[buffer[4] - 1], 1);
-		input_sync(dec->rc_input_dev);
-		input_report_key(dec->rc_input_dev, rc_keys[buffer[4] - 1], 0);
-		input_sync(dec->rc_input_dev);
-	}
-
-exit:	retval = usb_submit_urb(urb, GFP_ATOMIC);
-	if(retval)
-		printk("%s - usb_commit_urb failed with result: %d\n",
-			__func__, retval);
-}
-
-static u16 crc16(u16 crc, const u8 *buf, size_t len)
-{
-	u16 tmp;
-
-	while (len--) {
-		crc ^= *buf++;
-		crc ^= (u8)crc >> 4;
-		tmp = (u8)crc;
-		crc ^= (tmp ^ (tmp << 1)) << 4;
-	}
-	return crc;
-}
-
-static int ttusb_dec_send_command(struct ttusb_dec *dec, const u8 command,
-				  int param_length, const u8 params[],
-				  int *result_length, u8 cmd_result[])
-{
-	int result, actual_len, i;
-	u8 *b;
-
-	dprintk("%s\n", __func__);
-
-	b = kmalloc(COMMAND_PACKET_SIZE + 4, GFP_KERNEL);
-	if (!b)
-		return -ENOMEM;
-
-	if ((result = mutex_lock_interruptible(&dec->usb_mutex))) {
-		kfree(b);
-		printk("%s: Failed to lock usb mutex.\n", __func__);
-		return result;
-	}
-
-	b[0] = 0xaa;
-	b[1] = ++dec->trans_count;
-	b[2] = command;
-	b[3] = param_length;
-
-	if (params)
-		memcpy(&b[4], params, param_length);
-
-	if (debug) {
-		printk("%s: command: ", __func__);
-		for (i = 0; i < param_length + 4; i++)
-			printk("0x%02X ", b[i]);
-		printk("\n");
-	}
-
-	result = usb_bulk_msg(dec->udev, dec->command_pipe, b,
-			      COMMAND_PACKET_SIZE + 4, &actual_len, 1000);
-
-	if (result) {
-		printk("%s: command bulk message failed: error %d\n",
-		       __func__, result);
-		mutex_unlock(&dec->usb_mutex);
-		kfree(b);
-		return result;
-	}
-
-	result = usb_bulk_msg(dec->udev, dec->result_pipe, b,
-			      COMMAND_PACKET_SIZE + 4, &actual_len, 1000);
-
-	if (result) {
-		printk("%s: result bulk message failed: error %d\n",
-		       __func__, result);
-		mutex_unlock(&dec->usb_mutex);
-		kfree(b);
-		return result;
-	} else {
-		if (debug) {
-			printk("%s: result: ", __func__);
-			for (i = 0; i < actual_len; i++)
-				printk("0x%02X ", b[i]);
-			printk("\n");
-		}
-
-		if (result_length)
-			*result_length = b[3];
-		if (cmd_result && b[3] > 0)
-			memcpy(cmd_result, &b[4], b[3]);
-
-		mutex_unlock(&dec->usb_mutex);
-
-		kfree(b);
-		return 0;
-	}
-}
-
-static int ttusb_dec_get_stb_state (struct ttusb_dec *dec, unsigned int *mode,
-				    unsigned int *model, unsigned int *version)
-{
-	u8 c[COMMAND_PACKET_SIZE];
-	int c_length;
-	int result;
-	__be32 tmp;
-
-	dprintk("%s\n", __func__);
-
-	result = ttusb_dec_send_command(dec, 0x08, 0, NULL, &c_length, c);
-	if (result)
-		return result;
-
-	if (c_length >= 0x0c) {
-		if (mode != NULL) {
-			memcpy(&tmp, c, 4);
-			*mode = ntohl(tmp);
-		}
-		if (model != NULL) {
-			memcpy(&tmp, &c[4], 4);
-			*model = ntohl(tmp);
-		}
-		if (version != NULL) {
-			memcpy(&tmp, &c[8], 4);
-			*version = ntohl(tmp);
-		}
-		return 0;
-	} else {
-		return -1;
-	}
-}
-
-static int ttusb_dec_audio_pes2ts_cb(void *priv, unsigned char *data)
-{
-	struct ttusb_dec *dec = priv;
-
-	dec->audio_filter->feed->cb.ts(data, 188, NULL, 0,
-				       &dec->audio_filter->feed->feed.ts,
-				       DMX_OK);
-
-	return 0;
-}
-
-static int ttusb_dec_video_pes2ts_cb(void *priv, unsigned char *data)
-{
-	struct ttusb_dec *dec = priv;
-
-	dec->video_filter->feed->cb.ts(data, 188, NULL, 0,
-				       &dec->video_filter->feed->feed.ts,
-				       DMX_OK);
-
-	return 0;
-}
-
-static void ttusb_dec_set_pids(struct ttusb_dec *dec)
-{
-	u8 b[] = { 0x00, 0x00, 0x00, 0x00,
-		   0x00, 0x00, 0xff, 0xff,
-		   0xff, 0xff, 0xff, 0xff };
-
-	__be16 pcr = htons(dec->pid[DMX_PES_PCR]);
-	__be16 audio = htons(dec->pid[DMX_PES_AUDIO]);
-	__be16 video = htons(dec->pid[DMX_PES_VIDEO]);
-
-	dprintk("%s\n", __func__);
-
-	memcpy(&b[0], &pcr, 2);
-	memcpy(&b[2], &audio, 2);
-	memcpy(&b[4], &video, 2);
-
-	ttusb_dec_send_command(dec, 0x50, sizeof(b), b, NULL, NULL);
-
-	dvb_filter_pes2ts_init(&dec->a_pes2ts, dec->pid[DMX_PES_AUDIO],
-			       ttusb_dec_audio_pes2ts_cb, dec);
-	dvb_filter_pes2ts_init(&dec->v_pes2ts, dec->pid[DMX_PES_VIDEO],
-			       ttusb_dec_video_pes2ts_cb, dec);
-	dec->v_pes_length = 0;
-	dec->v_pes_postbytes = 0;
-}
-
-static void ttusb_dec_process_pva(struct ttusb_dec *dec, u8 *pva, int length)
-{
-	if (length < 8) {
-		printk("%s: packet too short - discarding\n", __func__);
-		return;
-	}
-
-	if (length > 8 + MAX_PVA_LENGTH) {
-		printk("%s: packet too long - discarding\n", __func__);
-		return;
-	}
-
-	switch (pva[2]) {
-
-	case 0x01: {		/* VideoStream */
-		int prebytes = pva[5] & 0x03;
-		int postbytes = (pva[5] & 0x0c) >> 2;
-		__be16 v_pes_payload_length;
-
-		if (output_pva) {
-			dec->video_filter->feed->cb.ts(pva, length, NULL, 0,
-				&dec->video_filter->feed->feed.ts, DMX_OK);
-			return;
-		}
-
-		if (dec->v_pes_postbytes > 0 &&
-		    dec->v_pes_postbytes == prebytes) {
-			memcpy(&dec->v_pes[dec->v_pes_length],
-			       &pva[12], prebytes);
-
-			dvb_filter_pes2ts(&dec->v_pes2ts, dec->v_pes,
-					  dec->v_pes_length + prebytes, 1);
-		}
-
-		if (pva[5] & 0x10) {
-			dec->v_pes[7] = 0x80;
-			dec->v_pes[8] = 0x05;
-
-			dec->v_pes[9] = 0x21 | ((pva[8] & 0xc0) >> 5);
-			dec->v_pes[10] = ((pva[8] & 0x3f) << 2) |
-					 ((pva[9] & 0xc0) >> 6);
-			dec->v_pes[11] = 0x01 |
-					 ((pva[9] & 0x3f) << 2) |
-					 ((pva[10] & 0x80) >> 6);
-			dec->v_pes[12] = ((pva[10] & 0x7f) << 1) |
-					 ((pva[11] & 0xc0) >> 7);
-			dec->v_pes[13] = 0x01 | ((pva[11] & 0x7f) << 1);
-
-			memcpy(&dec->v_pes[14], &pva[12 + prebytes],
-			       length - 12 - prebytes);
-			dec->v_pes_length = 14 + length - 12 - prebytes;
-		} else {
-			dec->v_pes[7] = 0x00;
-			dec->v_pes[8] = 0x00;
-
-			memcpy(&dec->v_pes[9], &pva[8], length - 8);
-			dec->v_pes_length = 9 + length - 8;
-		}
-
-		dec->v_pes_postbytes = postbytes;
-
-		if (dec->v_pes[9 + dec->v_pes[8]] == 0x00 &&
-		    dec->v_pes[10 + dec->v_pes[8]] == 0x00 &&
-		    dec->v_pes[11 + dec->v_pes[8]] == 0x01)
-			dec->v_pes[6] = 0x84;
-		else
-			dec->v_pes[6] = 0x80;
-
-		v_pes_payload_length = htons(dec->v_pes_length - 6 +
-					     postbytes);
-		memcpy(&dec->v_pes[4], &v_pes_payload_length, 2);
-
-		if (postbytes == 0)
-			dvb_filter_pes2ts(&dec->v_pes2ts, dec->v_pes,
-					  dec->v_pes_length, 1);
-
-		break;
-	}
-
-	case 0x02:		/* MainAudioStream */
-		if (output_pva) {
-			dec->audio_filter->feed->cb.ts(pva, length, NULL, 0,
-				&dec->audio_filter->feed->feed.ts, DMX_OK);
-			return;
-		}
-
-		dvb_filter_pes2ts(&dec->a_pes2ts, &pva[8], length - 8,
-				  pva[5] & 0x10);
-		break;
-
-	default:
-		printk("%s: unknown PVA type: %02x.\n", __func__,
-		       pva[2]);
-		break;
-	}
-}
-
-static void ttusb_dec_process_filter(struct ttusb_dec *dec, u8 *packet,
-				     int length)
-{
-	struct list_head *item;
-	struct filter_info *finfo;
-	struct dvb_demux_filter *filter = NULL;
-	unsigned long flags;
-	u8 sid;
-
-	sid = packet[1];
-	spin_lock_irqsave(&dec->filter_info_list_lock, flags);
-	for (item = dec->filter_info_list.next; item != &dec->filter_info_list;
-	     item = item->next) {
-		finfo = list_entry(item, struct filter_info, filter_info_list);
-		if (finfo->stream_id == sid) {
-			filter = finfo->filter;
-			break;
-		}
-	}
-	spin_unlock_irqrestore(&dec->filter_info_list_lock, flags);
-
-	if (filter)
-		filter->feed->cb.sec(&packet[2], length - 2, NULL, 0,
-				     &filter->filter, DMX_OK);
-}
-
-static void ttusb_dec_process_packet(struct ttusb_dec *dec)
-{
-	int i;
-	u16 csum = 0;
-	u16 packet_id;
-
-	if (dec->packet_length % 2) {
-		printk("%s: odd sized packet - discarding\n", __func__);
-		return;
-	}
-
-	for (i = 0; i < dec->packet_length; i += 2)
-		csum ^= ((dec->packet[i] << 8) + dec->packet[i + 1]);
-
-	if (csum) {
-		printk("%s: checksum failed - discarding\n", __func__);
-		return;
-	}
-
-	packet_id = dec->packet[dec->packet_length - 4] << 8;
-	packet_id += dec->packet[dec->packet_length - 3];
-
-	if ((packet_id != dec->next_packet_id) && dec->next_packet_id) {
-		printk("%s: warning: lost packets between %u and %u\n",
-		       __func__, dec->next_packet_id - 1, packet_id);
-	}
-
-	if (packet_id == 0xffff)
-		dec->next_packet_id = 0x8000;
-	else
-		dec->next_packet_id = packet_id + 1;
-
-	switch (dec->packet_type) {
-	case TTUSB_DEC_PACKET_PVA:
-		if (dec->pva_stream_count)
-			ttusb_dec_process_pva(dec, dec->packet,
-					      dec->packet_payload_length);
-		break;
-
-	case TTUSB_DEC_PACKET_SECTION:
-		if (dec->filter_stream_count)
-			ttusb_dec_process_filter(dec, dec->packet,
-						 dec->packet_payload_length);
-		break;
-
-	case TTUSB_DEC_PACKET_EMPTY:
-		break;
-	}
-}
-
-static void swap_bytes(u8 *b, int length)
-{
-	u8 c;
-
-	length -= length % 2;
-	for (; length; b += 2, length -= 2) {
-		c = *b;
-		*b = *(b + 1);
-		*(b + 1) = c;
-	}
-}
-
-static void ttusb_dec_process_urb_frame(struct ttusb_dec *dec, u8 *b,
-					int length)
-{
-	swap_bytes(b, length);
-
-	while (length) {
-		switch (dec->packet_state) {
-
-		case 0:
-		case 1:
-		case 2:
-			if (*b++ == 0xaa)
-				dec->packet_state++;
-			else
-				dec->packet_state = 0;
-
-			length--;
-			break;
-
-		case 3:
-			if (*b == 0x00) {
-				dec->packet_state++;
-				dec->packet_length = 0;
-			} else if (*b != 0xaa) {
-				dec->packet_state = 0;
-			}
-
-			b++;
-			length--;
-			break;
-
-		case 4:
-			dec->packet[dec->packet_length++] = *b++;
-
-			if (dec->packet_length == 2) {
-				if (dec->packet[0] == 'A' &&
-				    dec->packet[1] == 'V') {
-					dec->packet_type =
-						TTUSB_DEC_PACKET_PVA;
-					dec->packet_state++;
-				} else if (dec->packet[0] == 'S') {
-					dec->packet_type =
-						TTUSB_DEC_PACKET_SECTION;
-					dec->packet_state++;
-				} else if (dec->packet[0] == 0x00) {
-					dec->packet_type =
-						TTUSB_DEC_PACKET_EMPTY;
-					dec->packet_payload_length = 2;
-					dec->packet_state = 7;
-				} else {
-					printk("%s: unknown packet type: "
-					       "%02x%02x\n", __func__,
-					       dec->packet[0], dec->packet[1]);
-					dec->packet_state = 0;
-				}
-			}
-
-			length--;
-			break;
-
-		case 5:
-			dec->packet[dec->packet_length++] = *b++;
-
-			if (dec->packet_type == TTUSB_DEC_PACKET_PVA &&
-			    dec->packet_length == 8) {
-				dec->packet_state++;
-				dec->packet_payload_length = 8 +
-					(dec->packet[6] << 8) +
-					dec->packet[7];
-			} else if (dec->packet_type ==
-					TTUSB_DEC_PACKET_SECTION &&
-				   dec->packet_length == 5) {
-				dec->packet_state++;
-				dec->packet_payload_length = 5 +
-					((dec->packet[3] & 0x0f) << 8) +
-					dec->packet[4];
-			}
-
-			length--;
-			break;
-
-		case 6: {
-			int remainder = dec->packet_payload_length -
-					dec->packet_length;
-
-			if (length >= remainder) {
-				memcpy(dec->packet + dec->packet_length,
-				       b, remainder);
-				dec->packet_length += remainder;
-				b += remainder;
-				length -= remainder;
-				dec->packet_state++;
-			} else {
-				memcpy(&dec->packet[dec->packet_length],
-				       b, length);
-				dec->packet_length += length;
-				length = 0;
-			}
-
-			break;
-		}
-
-		case 7: {
-			int tail = 4;
-
-			dec->packet[dec->packet_length++] = *b++;
-
-			if (dec->packet_type == TTUSB_DEC_PACKET_SECTION &&
-			    dec->packet_payload_length % 2)
-				tail++;
-
-			if (dec->packet_length ==
-			    dec->packet_payload_length + tail) {
-				ttusb_dec_process_packet(dec);
-				dec->packet_state = 0;
-			}
-
-			length--;
-			break;
-		}
-
-		default:
-			printk("%s: illegal packet state encountered.\n",
-			       __func__);
-			dec->packet_state = 0;
-		}
-	}
-}
-
-static void ttusb_dec_process_urb_frame_list(unsigned long data)
-{
-	struct ttusb_dec *dec = (struct ttusb_dec *)data;
-	struct list_head *item;
-	struct urb_frame *frame;
-	unsigned long flags;
-
-	while (1) {
-		spin_lock_irqsave(&dec->urb_frame_list_lock, flags);
-		if ((item = dec->urb_frame_list.next) != &dec->urb_frame_list) {
-			frame = list_entry(item, struct urb_frame,
-					   urb_frame_list);
-			list_del(&frame->urb_frame_list);
-		} else {
-			spin_unlock_irqrestore(&dec->urb_frame_list_lock,
-					       flags);
-			return;
-		}
-		spin_unlock_irqrestore(&dec->urb_frame_list_lock, flags);
-
-		ttusb_dec_process_urb_frame(dec, frame->data, frame->length);
-		kfree(frame);
-	}
-}
-
-static void ttusb_dec_process_urb(struct urb *urb)
-{
-	struct ttusb_dec *dec = urb->context;
-
-	if (!urb->status) {
-		int i;
-
-		for (i = 0; i < FRAMES_PER_ISO_BUF; i++) {
-			struct usb_iso_packet_descriptor *d;
-			u8 *b;
-			int length;
-			struct urb_frame *frame;
-
-			d = &urb->iso_frame_desc[i];
-			b = urb->transfer_buffer + d->offset;
-			length = d->actual_length;
-
-			if ((frame = kmalloc(sizeof(struct urb_frame),
-					     GFP_ATOMIC))) {
-				unsigned long flags;
-
-				memcpy(frame->data, b, length);
-				frame->length = length;
-
-				spin_lock_irqsave(&dec->urb_frame_list_lock,
-						     flags);
-				list_add_tail(&frame->urb_frame_list,
-					      &dec->urb_frame_list);
-				spin_unlock_irqrestore(&dec->urb_frame_list_lock,
-						       flags);
-
-				tasklet_schedule(&dec->urb_tasklet);
-			}
-		}
-	} else {
-		 /* -ENOENT is expected when unlinking urbs */
-		if (urb->status != -ENOENT)
-			dprintk("%s: urb error: %d\n", __func__,
-				urb->status);
-	}
-
-	if (dec->iso_stream_count)
-		usb_submit_urb(urb, GFP_ATOMIC);
-}
-
-static void ttusb_dec_setup_urbs(struct ttusb_dec *dec)
-{
-	int i, j, buffer_offset = 0;
-
-	dprintk("%s\n", __func__);
-
-	for (i = 0; i < ISO_BUF_COUNT; i++) {
-		int frame_offset = 0;
-		struct urb *urb = dec->iso_urb[i];
-
-		urb->dev = dec->udev;
-		urb->context = dec;
-		urb->complete = ttusb_dec_process_urb;
-		urb->pipe = dec->in_pipe;
-		urb->transfer_flags = URB_ISO_ASAP;
-		urb->interval = 1;
-		urb->number_of_packets = FRAMES_PER_ISO_BUF;
-		urb->transfer_buffer_length = ISO_FRAME_SIZE *
-					      FRAMES_PER_ISO_BUF;
-		urb->transfer_buffer = dec->iso_buffer + buffer_offset;
-		buffer_offset += ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF;
-
-		for (j = 0; j < FRAMES_PER_ISO_BUF; j++) {
-			urb->iso_frame_desc[j].offset = frame_offset;
-			urb->iso_frame_desc[j].length = ISO_FRAME_SIZE;
-			frame_offset += ISO_FRAME_SIZE;
-		}
-	}
-}
-
-static void ttusb_dec_stop_iso_xfer(struct ttusb_dec *dec)
-{
-	int i;
-
-	dprintk("%s\n", __func__);
-
-	if (mutex_lock_interruptible(&dec->iso_mutex))
-		return;
-
-	dec->iso_stream_count--;
-
-	if (!dec->iso_stream_count) {
-		for (i = 0; i < ISO_BUF_COUNT; i++)
-			usb_kill_urb(dec->iso_urb[i]);
-	}
-
-	mutex_unlock(&dec->iso_mutex);
-}
-
-/* Setting the interface of the DEC tends to take down the USB communications
- * for a short period, so it's important not to call this function just before
- * trying to talk to it.
- */
-static int ttusb_dec_set_interface(struct ttusb_dec *dec,
-				   enum ttusb_dec_interface interface)
-{
-	int result = 0;
-	u8 b[] = { 0x05 };
-
-	if (interface != dec->interface) {
-		switch (interface) {
-		case TTUSB_DEC_INTERFACE_INITIAL:
-			result = usb_set_interface(dec->udev, 0, 0);
-			break;
-		case TTUSB_DEC_INTERFACE_IN:
-			result = ttusb_dec_send_command(dec, 0x80, sizeof(b),
-							b, NULL, NULL);
-			if (result)
-				return result;
-			result = usb_set_interface(dec->udev, 0, 8);
-			break;
-		case TTUSB_DEC_INTERFACE_OUT:
-			result = usb_set_interface(dec->udev, 0, 1);
-			break;
-		}
-
-		if (result)
-			return result;
-
-		dec->interface = interface;
-	}
-
-	return 0;
-}
-
-static int ttusb_dec_start_iso_xfer(struct ttusb_dec *dec)
-{
-	int i, result;
-
-	dprintk("%s\n", __func__);
-
-	if (mutex_lock_interruptible(&dec->iso_mutex))
-		return -EAGAIN;
-
-	if (!dec->iso_stream_count) {
-		ttusb_dec_setup_urbs(dec);
-
-		dec->packet_state = 0;
-		dec->v_pes_postbytes = 0;
-		dec->next_packet_id = 0;
-
-		for (i = 0; i < ISO_BUF_COUNT; i++) {
-			if ((result = usb_submit_urb(dec->iso_urb[i],
-						     GFP_ATOMIC))) {
-				printk("%s: failed urb submission %d: "
-				       "error %d\n", __func__, i, result);
-
-				while (i) {
-					usb_kill_urb(dec->iso_urb[i - 1]);
-					i--;
-				}
-
-				mutex_unlock(&dec->iso_mutex);
-				return result;
-			}
-		}
-	}
-
-	dec->iso_stream_count++;
-
-	mutex_unlock(&dec->iso_mutex);
-
-	return 0;
-}
-
-static int ttusb_dec_start_ts_feed(struct dvb_demux_feed *dvbdmxfeed)
-{
-	struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
-	struct ttusb_dec *dec = dvbdmx->priv;
-	u8 b0[] = { 0x05 };
-	int result = 0;
-
-	dprintk("%s\n", __func__);
-
-	dprintk("  ts_type:");
-
-	if (dvbdmxfeed->ts_type & TS_DECODER)
-		dprintk(" TS_DECODER");
-
-	if (dvbdmxfeed->ts_type & TS_PACKET)
-		dprintk(" TS_PACKET");
-
-	if (dvbdmxfeed->ts_type & TS_PAYLOAD_ONLY)
-		dprintk(" TS_PAYLOAD_ONLY");
-
-	dprintk("\n");
-
-	switch (dvbdmxfeed->pes_type) {
-
-	case DMX_TS_PES_VIDEO:
-		dprintk("  pes_type: DMX_TS_PES_VIDEO\n");
-		dec->pid[DMX_PES_PCR] = dvbdmxfeed->pid;
-		dec->pid[DMX_PES_VIDEO] = dvbdmxfeed->pid;
-		dec->video_filter = dvbdmxfeed->filter;
-		ttusb_dec_set_pids(dec);
-		break;
-
-	case DMX_TS_PES_AUDIO:
-		dprintk("  pes_type: DMX_TS_PES_AUDIO\n");
-		dec->pid[DMX_PES_AUDIO] = dvbdmxfeed->pid;
-		dec->audio_filter = dvbdmxfeed->filter;
-		ttusb_dec_set_pids(dec);
-		break;
-
-	case DMX_TS_PES_TELETEXT:
-		dec->pid[DMX_PES_TELETEXT] = dvbdmxfeed->pid;
-		dprintk("  pes_type: DMX_TS_PES_TELETEXT(not supported)\n");
-		return -ENOSYS;
-
-	case DMX_TS_PES_PCR:
-		dprintk("  pes_type: DMX_TS_PES_PCR\n");
-		dec->pid[DMX_PES_PCR] = dvbdmxfeed->pid;
-		ttusb_dec_set_pids(dec);
-		break;
-
-	case DMX_TS_PES_OTHER:
-		dprintk("  pes_type: DMX_TS_PES_OTHER(not supported)\n");
-		return -ENOSYS;
-
-	default:
-		dprintk("  pes_type: unknown (%d)\n", dvbdmxfeed->pes_type);
-		return -EINVAL;
-
-	}
-
-	result = ttusb_dec_send_command(dec, 0x80, sizeof(b0), b0, NULL, NULL);
-	if (result)
-		return result;
-
-	dec->pva_stream_count++;
-	return ttusb_dec_start_iso_xfer(dec);
-}
-
-static int ttusb_dec_start_sec_feed(struct dvb_demux_feed *dvbdmxfeed)
-{
-	struct ttusb_dec *dec = dvbdmxfeed->demux->priv;
-	u8 b0[] = { 0x00, 0x00, 0x00, 0x01,
-		    0x00, 0x00, 0x00, 0x00,
-		    0x00, 0x00, 0x00, 0x00,
-		    0x00, 0x00, 0x00, 0x00,
-		    0x00, 0xff, 0x00, 0x00,
-		    0x00, 0x00, 0x00, 0x00,
-		    0x00, 0x00, 0x00, 0x00,
-		    0x00 };
-	__be16 pid;
-	u8 c[COMMAND_PACKET_SIZE];
-	int c_length;
-	int result;
-	struct filter_info *finfo;
-	unsigned long flags;
-	u8 x = 1;
-
-	dprintk("%s\n", __func__);
-
-	pid = htons(dvbdmxfeed->pid);
-	memcpy(&b0[0], &pid, 2);
-	memcpy(&b0[4], &x, 1);
-	memcpy(&b0[5], &dvbdmxfeed->filter->filter.filter_value[0], 1);
-
-	result = ttusb_dec_send_command(dec, 0x60, sizeof(b0), b0,
-					&c_length, c);
-
-	if (!result) {
-		if (c_length == 2) {
-			if (!(finfo = kmalloc(sizeof(struct filter_info),
-					      GFP_ATOMIC)))
-				return -ENOMEM;
-
-			finfo->stream_id = c[1];
-			finfo->filter = dvbdmxfeed->filter;
-
-			spin_lock_irqsave(&dec->filter_info_list_lock, flags);
-			list_add_tail(&finfo->filter_info_list,
-				      &dec->filter_info_list);
-			spin_unlock_irqrestore(&dec->filter_info_list_lock,
-					       flags);
-
-			dvbdmxfeed->priv = finfo;
-
-			dec->filter_stream_count++;
-			return ttusb_dec_start_iso_xfer(dec);
-		}
-
-		return -EAGAIN;
-	} else
-		return result;
-}
-
-static int ttusb_dec_start_feed(struct dvb_demux_feed *dvbdmxfeed)
-{
-	struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
-
-	dprintk("%s\n", __func__);
-
-	if (!dvbdmx->dmx.frontend)
-		return -EINVAL;
-
-	dprintk("  pid: 0x%04X\n", dvbdmxfeed->pid);
-
-	switch (dvbdmxfeed->type) {
-
-	case DMX_TYPE_TS:
-		return ttusb_dec_start_ts_feed(dvbdmxfeed);
-		break;
-
-	case DMX_TYPE_SEC:
-		return ttusb_dec_start_sec_feed(dvbdmxfeed);
-		break;
-
-	default:
-		dprintk("  type: unknown (%d)\n", dvbdmxfeed->type);
-		return -EINVAL;
-
-	}
-}
-
-static int ttusb_dec_stop_ts_feed(struct dvb_demux_feed *dvbdmxfeed)
-{
-	struct ttusb_dec *dec = dvbdmxfeed->demux->priv;
-	u8 b0[] = { 0x00 };
-
-	ttusb_dec_send_command(dec, 0x81, sizeof(b0), b0, NULL, NULL);
-
-	dec->pva_stream_count--;
-
-	ttusb_dec_stop_iso_xfer(dec);
-
-	return 0;
-}
-
-static int ttusb_dec_stop_sec_feed(struct dvb_demux_feed *dvbdmxfeed)
-{
-	struct ttusb_dec *dec = dvbdmxfeed->demux->priv;
-	u8 b0[] = { 0x00, 0x00 };
-	struct filter_info *finfo = (struct filter_info *)dvbdmxfeed->priv;
-	unsigned long flags;
-
-	b0[1] = finfo->stream_id;
-	spin_lock_irqsave(&dec->filter_info_list_lock, flags);
-	list_del(&finfo->filter_info_list);
-	spin_unlock_irqrestore(&dec->filter_info_list_lock, flags);
-	kfree(finfo);
-	ttusb_dec_send_command(dec, 0x62, sizeof(b0), b0, NULL, NULL);
-
-	dec->filter_stream_count--;
-
-	ttusb_dec_stop_iso_xfer(dec);
-
-	return 0;
-}
-
-static int ttusb_dec_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
-{
-	dprintk("%s\n", __func__);
-
-	switch (dvbdmxfeed->type) {
-	case DMX_TYPE_TS:
-		return ttusb_dec_stop_ts_feed(dvbdmxfeed);
-		break;
-
-	case DMX_TYPE_SEC:
-		return ttusb_dec_stop_sec_feed(dvbdmxfeed);
-		break;
-	}
-
-	return 0;
-}
-
-static void ttusb_dec_free_iso_urbs(struct ttusb_dec *dec)
-{
-	int i;
-
-	dprintk("%s\n", __func__);
-
-	for (i = 0; i < ISO_BUF_COUNT; i++)
-		usb_free_urb(dec->iso_urb[i]);
-
-	pci_free_consistent(NULL,
-			    ISO_FRAME_SIZE * (FRAMES_PER_ISO_BUF *
-					      ISO_BUF_COUNT),
-			    dec->iso_buffer, dec->iso_dma_handle);
-}
-
-static int ttusb_dec_alloc_iso_urbs(struct ttusb_dec *dec)
-{
-	int i;
-
-	dprintk("%s\n", __func__);
-
-	dec->iso_buffer = pci_alloc_consistent(NULL,
-					       ISO_FRAME_SIZE *
-					       (FRAMES_PER_ISO_BUF *
-						ISO_BUF_COUNT),
-					       &dec->iso_dma_handle);
-
-	if (!dec->iso_buffer) {
-		dprintk("%s: pci_alloc_consistent - not enough memory\n",
-			__func__);
-		return -ENOMEM;
-	}
-
-	memset(dec->iso_buffer, 0,
-	       ISO_FRAME_SIZE * (FRAMES_PER_ISO_BUF * ISO_BUF_COUNT));
-
-	for (i = 0; i < ISO_BUF_COUNT; i++) {
-		struct urb *urb;
-
-		if (!(urb = usb_alloc_urb(FRAMES_PER_ISO_BUF, GFP_ATOMIC))) {
-			ttusb_dec_free_iso_urbs(dec);
-			return -ENOMEM;
-		}
-
-		dec->iso_urb[i] = urb;
-	}
-
-	ttusb_dec_setup_urbs(dec);
-
-	return 0;
-}
-
-static void ttusb_dec_init_tasklet(struct ttusb_dec *dec)
-{
-	spin_lock_init(&dec->urb_frame_list_lock);
-	INIT_LIST_HEAD(&dec->urb_frame_list);
-	tasklet_init(&dec->urb_tasklet, ttusb_dec_process_urb_frame_list,
-		     (unsigned long)dec);
-}
-
-static int ttusb_init_rc( struct ttusb_dec *dec)
-{
-	struct input_dev *input_dev;
-	u8 b[] = { 0x00, 0x01 };
-	int i;
-	int err;
-
-	usb_make_path(dec->udev, dec->rc_phys, sizeof(dec->rc_phys));
-	strlcat(dec->rc_phys, "/input0", sizeof(dec->rc_phys));
-
-	input_dev = input_allocate_device();
-	if (!input_dev)
-		return -ENOMEM;
-
-	input_dev->name = "ttusb_dec remote control";
-	input_dev->phys = dec->rc_phys;
-	input_dev->evbit[0] = BIT_MASK(EV_KEY);
-	input_dev->keycodesize = sizeof(u16);
-	input_dev->keycodemax = 0x1a;
-	input_dev->keycode = rc_keys;
-
-	for (i = 0; i < ARRAY_SIZE(rc_keys); i++)
-		  set_bit(rc_keys[i], input_dev->keybit);
-
-	err = input_register_device(input_dev);
-	if (err) {
-		input_free_device(input_dev);
-		return err;
-	}
-
-	dec->rc_input_dev = input_dev;
-	if (usb_submit_urb(dec->irq_urb, GFP_KERNEL))
-		printk("%s: usb_submit_urb failed\n",__func__);
-	/* enable irq pipe */
-	ttusb_dec_send_command(dec,0xb0,sizeof(b),b,NULL,NULL);
-
-	return 0;
-}
-
-static void ttusb_dec_init_v_pes(struct ttusb_dec *dec)
-{
-	dprintk("%s\n", __func__);
-
-	dec->v_pes[0] = 0x00;
-	dec->v_pes[1] = 0x00;
-	dec->v_pes[2] = 0x01;
-	dec->v_pes[3] = 0xe0;
-}
-
-static int ttusb_dec_init_usb(struct ttusb_dec *dec)
-{
-	dprintk("%s\n", __func__);
-
-	mutex_init(&dec->usb_mutex);
-	mutex_init(&dec->iso_mutex);
-
-	dec->command_pipe = usb_sndbulkpipe(dec->udev, COMMAND_PIPE);
-	dec->result_pipe = usb_rcvbulkpipe(dec->udev, RESULT_PIPE);
-	dec->in_pipe = usb_rcvisocpipe(dec->udev, IN_PIPE);
-	dec->out_pipe = usb_sndisocpipe(dec->udev, OUT_PIPE);
-	dec->irq_pipe = usb_rcvintpipe(dec->udev, IRQ_PIPE);
-
-	if(enable_rc) {
-		dec->irq_urb = usb_alloc_urb(0, GFP_KERNEL);
-		if(!dec->irq_urb) {
-			return -ENOMEM;
-		}
-		dec->irq_buffer = usb_alloc_coherent(dec->udev,IRQ_PACKET_SIZE,
-					GFP_ATOMIC, &dec->irq_dma_handle);
-		if(!dec->irq_buffer) {
-			usb_free_urb(dec->irq_urb);
-			return -ENOMEM;
-		}
-		usb_fill_int_urb(dec->irq_urb, dec->udev,dec->irq_pipe,
-				 dec->irq_buffer, IRQ_PACKET_SIZE,
-				 ttusb_dec_handle_irq, dec, 1);
-		dec->irq_urb->transfer_dma = dec->irq_dma_handle;
-		dec->irq_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
-	}
-
-	return ttusb_dec_alloc_iso_urbs(dec);
-}
-
-static int ttusb_dec_boot_dsp(struct ttusb_dec *dec)
-{
-	int i, j, actual_len, result, size, trans_count;
-	u8 b0[] = { 0x00, 0x00, 0x00, 0x00,
-		    0x00, 0x00, 0x00, 0x00,
-		    0x61, 0x00 };
-	u8 b1[] = { 0x61 };
-	u8 *b;
-	char idstring[21];
-	const u8 *firmware = NULL;
-	size_t firmware_size = 0;
-	u16 firmware_csum = 0;
-	__be16 firmware_csum_ns;
-	__be32 firmware_size_nl;
-	u32 crc32_csum, crc32_check;
-	__be32 tmp;
-	const struct firmware *fw_entry = NULL;
-
-	dprintk("%s\n", __func__);
-
-	if (request_firmware(&fw_entry, dec->firmware_name, &dec->udev->dev)) {
-		printk(KERN_ERR "%s: Firmware (%s) unavailable.\n",
-		       __func__, dec->firmware_name);
-		return 1;
-	}
-
-	firmware = fw_entry->data;
-	firmware_size = fw_entry->size;
-
-	if (firmware_size < 60) {
-		printk("%s: firmware size too small for DSP code (%zu < 60).\n",
-			__func__, firmware_size);
-		release_firmware(fw_entry);
-		return -1;
-	}
-
-	/* a 32 bit checksum over the first 56 bytes of the DSP Code is stored
-	   at offset 56 of file, so use it to check if the firmware file is
-	   valid. */
-	crc32_csum = crc32(~0L, firmware, 56) ^ ~0L;
-	memcpy(&tmp, &firmware[56], 4);
-	crc32_check = ntohl(tmp);
-	if (crc32_csum != crc32_check) {
-		printk("%s: crc32 check of DSP code failed (calculated "
-		       "0x%08x != 0x%08x in file), file invalid.\n",
-			__func__, crc32_csum, crc32_check);
-		release_firmware(fw_entry);
-		return -1;
-	}
-	memcpy(idstring, &firmware[36], 20);
-	idstring[20] = '\0';
-	printk(KERN_INFO "ttusb_dec: found DSP code \"%s\".\n", idstring);
-
-	firmware_size_nl = htonl(firmware_size);
-	memcpy(b0, &firmware_size_nl, 4);
-	firmware_csum = crc16(~0, firmware, firmware_size) ^ ~0;
-	firmware_csum_ns = htons(firmware_csum);
-	memcpy(&b0[6], &firmware_csum_ns, 2);
-
-	result = ttusb_dec_send_command(dec, 0x41, sizeof(b0), b0, NULL, NULL);
-
-	if (result) {
-		release_firmware(fw_entry);
-		return result;
-	}
-
-	trans_count = 0;
-	j = 0;
-
-	b = kmalloc(ARM_PACKET_SIZE, GFP_KERNEL);
-	if (b == NULL) {
-		release_firmware(fw_entry);
-		return -ENOMEM;
-	}
-
-	for (i = 0; i < firmware_size; i += COMMAND_PACKET_SIZE) {
-		size = firmware_size - i;
-		if (size > COMMAND_PACKET_SIZE)
-			size = COMMAND_PACKET_SIZE;
-
-		b[j + 0] = 0xaa;
-		b[j + 1] = trans_count++;
-		b[j + 2] = 0xf0;
-		b[j + 3] = size;
-		memcpy(&b[j + 4], &firmware[i], size);
-
-		j += COMMAND_PACKET_SIZE + 4;
-
-		if (j >= ARM_PACKET_SIZE) {
-			result = usb_bulk_msg(dec->udev, dec->command_pipe, b,
-					      ARM_PACKET_SIZE, &actual_len,
-					      100);
-			j = 0;
-		} else if (size < COMMAND_PACKET_SIZE) {
-			result = usb_bulk_msg(dec->udev, dec->command_pipe, b,
-					      j - COMMAND_PACKET_SIZE + size,
-					      &actual_len, 100);
-		}
-	}
-
-	result = ttusb_dec_send_command(dec, 0x43, sizeof(b1), b1, NULL, NULL);
-
-	release_firmware(fw_entry);
-	kfree(b);
-
-	return result;
-}
-
-static int ttusb_dec_init_stb(struct ttusb_dec *dec)
-{
-	int result;
-	unsigned int mode = 0, model = 0, version = 0;
-
-	dprintk("%s\n", __func__);
-
-	result = ttusb_dec_get_stb_state(dec, &mode, &model, &version);
-
-	if (!result) {
-		if (!mode) {
-			if (version == 0xABCDEFAB)
-				printk(KERN_INFO "ttusb_dec: no version "
-				       "info in Firmware\n");
-			else
-				printk(KERN_INFO "ttusb_dec: Firmware "
-				       "%x.%02x%c%c\n",
-				       version >> 24, (version >> 16) & 0xff,
-				       (version >> 8) & 0xff, version & 0xff);
-
-			result = ttusb_dec_boot_dsp(dec);
-			if (result)
-				return result;
-			else
-				return 1;
-		} else {
-			/* We can't trust the USB IDs that some firmwares
-			   give the box */
-			switch (model) {
-			case 0x00070001:
-			case 0x00070008:
-			case 0x0007000c:
-				ttusb_dec_set_model(dec, TTUSB_DEC3000S);
-				break;
-			case 0x00070009:
-			case 0x00070013:
-				ttusb_dec_set_model(dec, TTUSB_DEC2000T);
-				break;
-			case 0x00070011:
-				ttusb_dec_set_model(dec, TTUSB_DEC2540T);
-				break;
-			default:
-				printk(KERN_ERR "%s: unknown model returned "
-				       "by firmware (%08x) - please report\n",
-				       __func__, model);
-				return -1;
-				break;
-			}
-
-			if (version >= 0x01770000)
-				dec->can_playback = 1;
-
-			return 0;
-		}
-	}
-	else
-		return result;
-}
-
-static int ttusb_dec_init_dvb(struct ttusb_dec *dec)
-{
-	int result;
-
-	dprintk("%s\n", __func__);
-
-	if ((result = dvb_register_adapter(&dec->adapter,
-					   dec->model_name, THIS_MODULE,
-					   &dec->udev->dev,
-					   adapter_nr)) < 0) {
-		printk("%s: dvb_register_adapter failed: error %d\n",
-		       __func__, result);
-
-		return result;
-	}
-
-	dec->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING;
-
-	dec->demux.priv = (void *)dec;
-	dec->demux.filternum = 31;
-	dec->demux.feednum = 31;
-	dec->demux.start_feed = ttusb_dec_start_feed;
-	dec->demux.stop_feed = ttusb_dec_stop_feed;
-	dec->demux.write_to_decoder = NULL;
-
-	if ((result = dvb_dmx_init(&dec->demux)) < 0) {
-		printk("%s: dvb_dmx_init failed: error %d\n", __func__,
-		       result);
-
-		dvb_unregister_adapter(&dec->adapter);
-
-		return result;
-	}
-
-	dec->dmxdev.filternum = 32;
-	dec->dmxdev.demux = &dec->demux.dmx;
-	dec->dmxdev.capabilities = 0;
-
-	if ((result = dvb_dmxdev_init(&dec->dmxdev, &dec->adapter)) < 0) {
-		printk("%s: dvb_dmxdev_init failed: error %d\n",
-		       __func__, result);
-
-		dvb_dmx_release(&dec->demux);
-		dvb_unregister_adapter(&dec->adapter);
-
-		return result;
-	}
-
-	dec->frontend.source = DMX_FRONTEND_0;
-
-	if ((result = dec->demux.dmx.add_frontend(&dec->demux.dmx,
-						  &dec->frontend)) < 0) {
-		printk("%s: dvb_dmx_init failed: error %d\n", __func__,
-		       result);
-
-		dvb_dmxdev_release(&dec->dmxdev);
-		dvb_dmx_release(&dec->demux);
-		dvb_unregister_adapter(&dec->adapter);
-
-		return result;
-	}
-
-	if ((result = dec->demux.dmx.connect_frontend(&dec->demux.dmx,
-						      &dec->frontend)) < 0) {
-		printk("%s: dvb_dmx_init failed: error %d\n", __func__,
-		       result);
-
-		dec->demux.dmx.remove_frontend(&dec->demux.dmx, &dec->frontend);
-		dvb_dmxdev_release(&dec->dmxdev);
-		dvb_dmx_release(&dec->demux);
-		dvb_unregister_adapter(&dec->adapter);
-
-		return result;
-	}
-
-	dvb_net_init(&dec->adapter, &dec->dvb_net, &dec->demux.dmx);
-
-	return 0;
-}
-
-static void ttusb_dec_exit_dvb(struct ttusb_dec *dec)
-{
-	dprintk("%s\n", __func__);
-
-	dvb_net_release(&dec->dvb_net);
-	dec->demux.dmx.close(&dec->demux.dmx);
-	dec->demux.dmx.remove_frontend(&dec->demux.dmx, &dec->frontend);
-	dvb_dmxdev_release(&dec->dmxdev);
-	dvb_dmx_release(&dec->demux);
-	if (dec->fe) {
-		dvb_unregister_frontend(dec->fe);
-		if (dec->fe->ops.release)
-			dec->fe->ops.release(dec->fe);
-	}
-	dvb_unregister_adapter(&dec->adapter);
-}
-
-static void ttusb_dec_exit_rc(struct ttusb_dec *dec)
-{
-
-	dprintk("%s\n", __func__);
-	/* we have to check whether the irq URB is already submitted.
-	  * As the irq is submitted after the interface is changed,
-	  * this is the best method i figured out.
-	  * Any others?*/
-	if (dec->interface == TTUSB_DEC_INTERFACE_IN)
-		usb_kill_urb(dec->irq_urb);
-
-	usb_free_urb(dec->irq_urb);
-
-	usb_free_coherent(dec->udev,IRQ_PACKET_SIZE,
-			  dec->irq_buffer, dec->irq_dma_handle);
-
-	if (dec->rc_input_dev) {
-		input_unregister_device(dec->rc_input_dev);
-		dec->rc_input_dev = NULL;
-	}
-}
-
-
-static void ttusb_dec_exit_usb(struct ttusb_dec *dec)
-{
-	int i;
-
-	dprintk("%s\n", __func__);
-
-	dec->iso_stream_count = 0;
-
-	for (i = 0; i < ISO_BUF_COUNT; i++)
-		usb_kill_urb(dec->iso_urb[i]);
-
-	ttusb_dec_free_iso_urbs(dec);
-}
-
-static void ttusb_dec_exit_tasklet(struct ttusb_dec *dec)
-{
-	struct list_head *item;
-	struct urb_frame *frame;
-
-	tasklet_kill(&dec->urb_tasklet);
-
-	while ((item = dec->urb_frame_list.next) != &dec->urb_frame_list) {
-		frame = list_entry(item, struct urb_frame, urb_frame_list);
-		list_del(&frame->urb_frame_list);
-		kfree(frame);
-	}
-}
-
-static void ttusb_dec_init_filters(struct ttusb_dec *dec)
-{
-	INIT_LIST_HEAD(&dec->filter_info_list);
-	spin_lock_init(&dec->filter_info_list_lock);
-}
-
-static void ttusb_dec_exit_filters(struct ttusb_dec *dec)
-{
-	struct list_head *item;
-	struct filter_info *finfo;
-
-	while ((item = dec->filter_info_list.next) != &dec->filter_info_list) {
-		finfo = list_entry(item, struct filter_info, filter_info_list);
-		list_del(&finfo->filter_info_list);
-		kfree(finfo);
-	}
-}
-
-static int fe_send_command(struct dvb_frontend* fe, const u8 command,
-			   int param_length, const u8 params[],
-			   int *result_length, u8 cmd_result[])
-{
-	struct ttusb_dec* dec = fe->dvb->priv;
-	return ttusb_dec_send_command(dec, command, param_length, params, result_length, cmd_result);
-}
-
-static struct ttusbdecfe_config fe_config = {
-	.send_command = fe_send_command
-};
-
-static int ttusb_dec_probe(struct usb_interface *intf,
-			   const struct usb_device_id *id)
-{
-	struct usb_device *udev;
-	struct ttusb_dec *dec;
-
-	dprintk("%s\n", __func__);
-
-	udev = interface_to_usbdev(intf);
-
-	if (!(dec = kzalloc(sizeof(struct ttusb_dec), GFP_KERNEL))) {
-		printk("%s: couldn't allocate memory.\n", __func__);
-		return -ENOMEM;
-	}
-
-	usb_set_intfdata(intf, (void *)dec);
-
-	switch (id->idProduct) {
-	case 0x1006:
-		ttusb_dec_set_model(dec, TTUSB_DEC3000S);
-		break;
-
-	case 0x1008:
-		ttusb_dec_set_model(dec, TTUSB_DEC2000T);
-		break;
-
-	case 0x1009:
-		ttusb_dec_set_model(dec, TTUSB_DEC2540T);
-		break;
-	}
-
-	dec->udev = udev;
-
-	if (ttusb_dec_init_usb(dec))
-		return 0;
-	if (ttusb_dec_init_stb(dec)) {
-		ttusb_dec_exit_usb(dec);
-		return 0;
-	}
-	ttusb_dec_init_dvb(dec);
-
-	dec->adapter.priv = dec;
-	switch (id->idProduct) {
-	case 0x1006:
-		dec->fe = ttusbdecfe_dvbs_attach(&fe_config);
-		break;
-
-	case 0x1008:
-	case 0x1009:
-		dec->fe = ttusbdecfe_dvbt_attach(&fe_config);
-		break;
-	}
-
-	if (dec->fe == NULL) {
-		printk("dvb-ttusb-dec: A frontend driver was not found for device [%04x:%04x]\n",
-		       le16_to_cpu(dec->udev->descriptor.idVendor),
-		       le16_to_cpu(dec->udev->descriptor.idProduct));
-	} else {
-		if (dvb_register_frontend(&dec->adapter, dec->fe)) {
-			printk("budget-ci: Frontend registration failed!\n");
-			if (dec->fe->ops.release)
-				dec->fe->ops.release(dec->fe);
-			dec->fe = NULL;
-		}
-	}
-
-	ttusb_dec_init_v_pes(dec);
-	ttusb_dec_init_filters(dec);
-	ttusb_dec_init_tasklet(dec);
-
-	dec->active = 1;
-
-	ttusb_dec_set_interface(dec, TTUSB_DEC_INTERFACE_IN);
-
-	if (enable_rc)
-		ttusb_init_rc(dec);
-
-	return 0;
-}
-
-static void ttusb_dec_disconnect(struct usb_interface *intf)
-{
-	struct ttusb_dec *dec = usb_get_intfdata(intf);
-
-	usb_set_intfdata(intf, NULL);
-
-	dprintk("%s\n", __func__);
-
-	if (dec->active) {
-		ttusb_dec_exit_tasklet(dec);
-		ttusb_dec_exit_filters(dec);
-		if(enable_rc)
-			ttusb_dec_exit_rc(dec);
-		ttusb_dec_exit_usb(dec);
-		ttusb_dec_exit_dvb(dec);
-	}
-
-	kfree(dec);
-}
-
-static void ttusb_dec_set_model(struct ttusb_dec *dec,
-				enum ttusb_dec_model model)
-{
-	dec->model = model;
-
-	switch (model) {
-	case TTUSB_DEC2000T:
-		dec->model_name = "DEC2000-t";
-		dec->firmware_name = "dvb-ttusb-dec-2000t.fw";
-		break;
-
-	case TTUSB_DEC2540T:
-		dec->model_name = "DEC2540-t";
-		dec->firmware_name = "dvb-ttusb-dec-2540t.fw";
-		break;
-
-	case TTUSB_DEC3000S:
-		dec->model_name = "DEC3000-s";
-		dec->firmware_name = "dvb-ttusb-dec-3000s.fw";
-		break;
-	}
-}
-
-static struct usb_device_id ttusb_dec_table[] = {
-	{USB_DEVICE(0x0b48, 0x1006)},	/* DEC3000-s */
-	/*{USB_DEVICE(0x0b48, 0x1007)},	   Unconfirmed */
-	{USB_DEVICE(0x0b48, 0x1008)},	/* DEC2000-t */
-	{USB_DEVICE(0x0b48, 0x1009)},	/* DEC2540-t */
-	{}
-};
-
-static struct usb_driver ttusb_dec_driver = {
-	.name		= "ttusb-dec",
-	.probe		= ttusb_dec_probe,
-	.disconnect	= ttusb_dec_disconnect,
-	.id_table	= ttusb_dec_table,
-};
-
-module_usb_driver(ttusb_dec_driver);
-
-MODULE_AUTHOR("Alex Woods <linux-dvb@giblets.org>");
-MODULE_DESCRIPTION(DRIVER_NAME);
-MODULE_LICENSE("GPL");
-MODULE_DEVICE_TABLE(usb, ttusb_dec_table);