Merge master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb

* master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (26 commits)
  V4L/DVB (4263): Fix warning when compiling on 64 bit machines
  V4L/DVB (4261): Included required header for in-kernel compilation
  V4L/DVB (4260): Stradis.c: make 2 functions static
  V4L/DVB (4259): Pass an explicit log prefix to cx2341x_log_status
  V4L/DVB (4257): Fix 64-bit compile warnings.
  V4L/DVB (4255): Tda9887 default TOP value is 0x10
  V4L/DVB (4254): Remove obsoleted tuner_debug option.
  V4L/DVB (4253): IVTV VBI format description too long.
  V4L/DVB (4252): Remove duplicate 'tda9887' in info messages.
  V4L/DVB (4245): Reduce the amount of pvrusb2-sourced noise going into the system log
  V4L/DVB (4244): Implement use of cx2341x module in pvrusb2 driver
  V4L/DVB (4243): Exploit new V4L control features in pvrusb2
  V4L/DVB (4242): Don't suspend encoder when changing its attributes (in pvrusb2)
  V4L/DVB (4241): Fix faulty encoder error recovery in pvrusb2
  V4L/DVB (4240): Various V4L control enhancements in pvrusb2
  V4L/DVB (4239): Handle boolean controls in pvrusb2
  V4L/DVB (4238): Make sure flags field is initialized when quering a control in pvrusb2
  V4L/DVB (4237): Move LOG_STATUS bracketing to a different part of the pvrusb2 driver
  V4L/DVB (4236): Rearrange things in pvrusb2 driver in preparation for using cx2341x module
  V4L/DVB (4235): Increase the maximum number of controls that pvrusb2-sysfs.c can handle.
  ...

55 files changed, 13314 insertions, 49 deletions

diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index e4290491fa9..6d532f170ce 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -445,6 +445,8 @@ endmenu # encoder / decoder chips
 menu "V4L USB devices"
 	depends on USB && VIDEO_DEV
 
+source "drivers/media/video/pvrusb2/Kconfig"
+
 source "drivers/media/video/em28xx/Kconfig"
 
 config USB_DSBR
diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile
index 6c401b46398..353d61cfac1 100644
--- a/drivers/media/video/Makefile
+++ b/drivers/media/video/Makefile
@@ -47,6 +47,7 @@ obj-$(CONFIG_VIDEO_SAA7134) += ir-kbd-i2c.o saa7134/
 obj-$(CONFIG_VIDEO_CX88) += cx88/
 obj-$(CONFIG_VIDEO_EM28XX) += em28xx/
 obj-$(CONFIG_VIDEO_EM28XX) += tvp5150.o
+obj-$(CONFIG_VIDEO_PVRUSB2) += pvrusb2/
 obj-$(CONFIG_VIDEO_MSP3400) += msp3400.o
 obj-$(CONFIG_VIDEO_CS53L32A) += cs53l32a.o
 obj-$(CONFIG_VIDEO_TLV320AIC23B) += tlv320aic23b.o
diff --git a/drivers/media/video/cx2341x.c b/drivers/media/video/cx2341x.c
index 01b22eab572..65f00fc08fa 100644
--- a/drivers/media/video/cx2341x.c
+++ b/drivers/media/video/cx2341x.c
@@ -601,7 +601,7 @@ static void cx2341x_calc_audio_properties(struct cx2341x_mpeg_params *params)
 }
 
 int cx2341x_ext_ctrls(struct cx2341x_mpeg_params *params,
-		  struct v4l2_ext_controls *ctrls, int cmd)
+		  struct v4l2_ext_controls *ctrls, unsigned int cmd)
 {
 	int err = 0;
 	int i;
@@ -847,22 +847,22 @@ invalid:
 	return "<invalid>";
 }
 
-void cx2341x_log_status(struct cx2341x_mpeg_params *p, int card_id)
+void cx2341x_log_status(struct cx2341x_mpeg_params *p, const char *prefix)
 {
 	int is_mpeg1 = p->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1;
 
 	/* Stream */
-	printk(KERN_INFO "cx2341x-%d: Stream: %s\n",
-		card_id,
+	printk(KERN_INFO "%s: Stream: %s\n",
+		prefix,
 		cx2341x_menu_item(p, V4L2_CID_MPEG_STREAM_TYPE));
 
 	/* Video */
-	printk(KERN_INFO "cx2341x-%d: Video:  %dx%d, %d fps\n",
-		card_id,
+	printk(KERN_INFO "%s: Video:  %dx%d, %d fps\n",
+		prefix,
 		p->width / (is_mpeg1 ? 2 : 1), p->height / (is_mpeg1 ? 2 : 1),
 		p->is_50hz ? 25 : 30);
-	printk(KERN_INFO "cx2341x-%d: Video:  %s, %s, %s, %d",
-		card_id,
+	printk(KERN_INFO "%s: Video:  %s, %s, %s, %d",
+		prefix,
 		cx2341x_menu_item(p, V4L2_CID_MPEG_VIDEO_ENCODING),
 		cx2341x_menu_item(p, V4L2_CID_MPEG_VIDEO_ASPECT),
 		cx2341x_menu_item(p, V4L2_CID_MPEG_VIDEO_BITRATE_MODE),
@@ -871,19 +871,19 @@ void cx2341x_log_status(struct cx2341x_mpeg_params *p, int card_id)
 		printk(", Peak %d", p->video_bitrate_peak);
 	}
 	printk("\n");
-	printk(KERN_INFO "cx2341x-%d: Video:  GOP Size %d, %d B-Frames, %sGOP Closure, %s3:2 Pulldown\n",
-		card_id,
+	printk(KERN_INFO "%s: Video:  GOP Size %d, %d B-Frames, %sGOP Closure, %s3:2 Pulldown\n",
+		prefix,
 		p->video_gop_size, p->video_b_frames,
 		p->video_gop_closure ? "" : "No ",
 		p->video_pulldown ? "" : "No ");
 	if (p->video_temporal_decimation) {
-		printk(KERN_INFO "cx2341x-%d: Video: Temporal Decimation %d\n",
-			card_id, p->video_temporal_decimation);
+		printk(KERN_INFO "%s: Video: Temporal Decimation %d\n",
+			prefix, p->video_temporal_decimation);
 	}
 
 	/* Audio */
-	printk(KERN_INFO "cx2341x-%d: Audio:  %s, %s, %s, %s",
-		card_id,
+	printk(KERN_INFO "%s: Audio:  %s, %s, %s, %s",
+		prefix,
 		cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ),
 		cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_ENCODING),
 		cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_L2_BITRATE),
@@ -897,18 +897,18 @@ void cx2341x_log_status(struct cx2341x_mpeg_params *p, int card_id)
 		cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_CRC));
 
 	/* Encoding filters */
-	printk(KERN_INFO "cx2341x-%d: Spatial Filter:  %s, Luma %s, Chroma %s, %d\n",
-		card_id,
+	printk(KERN_INFO "%s: Spatial Filter:  %s, Luma %s, Chroma %s, %d\n",
+		prefix,
 		cx2341x_menu_item(p, V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE),
 		cx2341x_menu_item(p, V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE),
 		cx2341x_menu_item(p, V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE),
 		p->video_spatial_filter);
-	printk(KERN_INFO "cx2341x-%d: Temporal Filter: %s, %d\n",
-		card_id,
+	printk(KERN_INFO "%s: Temporal Filter: %s, %d\n",
+		prefix,
 		cx2341x_menu_item(p, V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE),
 		p->video_temporal_filter);
-	printk(KERN_INFO "cx2341x-%d: Median Filter:   %s, Luma [%d, %d], Chroma [%d, %d]\n",
-		card_id,
+	printk(KERN_INFO "%s: Median Filter:   %s, Luma [%d, %d], Chroma [%d, %d]\n",
+		prefix,
 		cx2341x_menu_item(p, V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE),
 		p->video_luma_median_filter_bottom,
 		p->video_luma_median_filter_top,
diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c
index 78df66671ea..4ff81582ec5 100644
--- a/drivers/media/video/cx88/cx88-blackbird.c
+++ b/drivers/media/video/cx88/cx88-blackbird.c
@@ -853,6 +853,19 @@ static int mpeg_do_ioctl(struct inode *inode, struct file *file,
 			       fh->mpegq.field);
 		return 0;
 	}
+	case VIDIOC_LOG_STATUS:
+	{
+		char name[32 + 2];
+
+		snprintf(name, sizeof(name), "%s/2", core->name);
+		printk("%s/2: ============  START LOG STATUS  ============\n",
+		       core->name);
+		cx88_call_i2c_clients(core, VIDIOC_LOG_STATUS, 0);
+		cx2341x_log_status(&dev->params, name);
+		printk("%s/2: =============  END LOG STATUS  =============\n",
+		       core->name);
+		return 0;
+	}
 
 	default:
 		return cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, mpeg_do_ioctl);
diff --git a/drivers/media/video/pvrusb2/Kconfig b/drivers/media/video/pvrusb2/Kconfig
new file mode 100644
index 00000000000..7e727fe14b3
--- /dev/null
+++ b/drivers/media/video/pvrusb2/Kconfig
@@ -0,0 +1,62 @@
+config VIDEO_PVRUSB2
+	tristate "Hauppauge WinTV-PVR USB2 support"
+	depends on VIDEO_V4L2 && USB && I2C && EXPERIMENTAL
+	select FW_LOADER
+	select VIDEO_TUNER
+	select VIDEO_TVEEPROM
+	select VIDEO_CX2341X
+	select VIDEO_SAA711X
+	select VIDEO_MSP3400
+	---help---
+	  This is a video4linux driver for Conexant 23416 based
+	  usb2 personal video recorder devices.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called pvrusb2
+
+config VIDEO_PVRUSB2_24XXX
+	bool "Hauppauge WinTV-PVR USB2 support for 24xxx model series"
+	depends on VIDEO_PVRUSB2 && EXPERIMENTAL
+	select VIDEO_CX25840
+	select VIDEO_WM8775
+	---help---
+	  This option enables inclusion of additional logic to operate
+	  newer WinTV-PVR USB2 devices whose model number is of the
+	  form "24xxx" (leading prefix of "24" followed by 3 digits).
+	  To see if you may need this option, examine the white
+	  sticker on the underside of your device.  Enabling this
+	  option will not harm support for older devices, however it
+	  is a separate option because of the experimental nature of
+	  this new feature.
+
+	  If you are in doubt, say N.
+
+	  Note: This feature is _very_ experimental.  You have been
+	  warned.
+
+config VIDEO_PVRUSB2_SYSFS
+	bool "pvrusb2 sysfs support (EXPERIMENTAL)"
+	default y
+	depends on VIDEO_PVRUSB2 && SYSFS && EXPERIMENTAL
+	---help---
+	  This option enables the operation of a sysfs based
+	  interface for query and control of the pvrusb2 driver.
+
+	  This is not generally needed for v4l applications,
+	  although certain applications are optimized to take
+	  advantage of this feature.
+
+	  If you are in doubt, say Y.
+
+	  Note: This feature is experimental and subject to change.
+
+config VIDEO_PVRUSB2_DEBUGIFC
+	bool "pvrusb2 debug interface"
+	depends on VIDEO_PVRUSB2_SYSFS
+	---help---
+	  This option enables the inclusion of a debug interface
+	  in the pvrusb2 driver, hosted through sysfs.
+
+	  You do not need to select this option unless you plan
+	  on debugging the driver or performing a manual firmware
+	  extraction.
diff --git a/drivers/media/video/pvrusb2/Makefile b/drivers/media/video/pvrusb2/Makefile
new file mode 100644
index 00000000000..fed603ad0a6
--- /dev/null
+++ b/drivers/media/video/pvrusb2/Makefile
@@ -0,0 +1,18 @@
+obj-pvrusb2-sysfs-$(CONFIG_VIDEO_PVRUSB2_SYSFS) := pvrusb2-sysfs.o
+obj-pvrusb2-debugifc-$(CONFIG_VIDEO_PVRUSB2_DEBUGIFC) := pvrusb2-debugifc.o
+
+obj-pvrusb2-24xxx-$(CONFIG_VIDEO_PVRUSB2_24XXX) := \
+		   pvrusb2-cx2584x-v4l.o \
+		   pvrusb2-wm8775.o
+
+pvrusb2-objs	:= pvrusb2-i2c-core.o pvrusb2-i2c-cmd-v4l2.o \
+		   pvrusb2-audio.o pvrusb2-i2c-chips-v4l2.o \
+		   pvrusb2-encoder.o pvrusb2-video-v4l.o \
+		   pvrusb2-eeprom.o pvrusb2-tuner.o pvrusb2-demod.o \
+		   pvrusb2-main.o pvrusb2-hdw.o pvrusb2-v4l2.o \
+		   pvrusb2-ctrl.o pvrusb2-std.o \
+		   pvrusb2-context.o pvrusb2-io.o pvrusb2-ioread.o \
+		   $(obj-pvrusb2-24xxx-y) \
+		   $(obj-pvrusb2-sysfs-y) $(obj-pvrusb2-debugifc-y)
+
+obj-$(CONFIG_VIDEO_PVRUSB2) += pvrusb2.o
diff --git a/drivers/media/video/pvrusb2/pvrusb2-audio.c b/drivers/media/video/pvrusb2/pvrusb2-audio.c
new file mode 100644
index 00000000000..313d2dcf9e4
--- /dev/null
+++ b/drivers/media/video/pvrusb2/pvrusb2-audio.c
@@ -0,0 +1,204 @@
+/*
+ *
+ *  $Id$
+ *
+ *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
+ *  Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
+ *
+ *  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
+ *
+ *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include "pvrusb2-audio.h"
+#include "pvrusb2-hdw-internal.h"
+#include "pvrusb2-debug.h"
+#include <linux/videodev2.h>
+#include <media/msp3400.h>
+#include <media/v4l2-common.h>
+
+struct pvr2_msp3400_handler {
+	struct pvr2_hdw *hdw;
+	struct pvr2_i2c_client *client;
+	struct pvr2_i2c_handler i2c_handler;
+	struct pvr2_audio_stat astat;
+	unsigned long stale_mask;
+};
+
+
+/* This function selects the correct audio input source */
+static void set_stereo(struct pvr2_msp3400_handler *ctxt)
+{
+	struct pvr2_hdw *hdw = ctxt->hdw;
+	struct v4l2_routing route;
+
+	pvr2_trace(PVR2_TRACE_CHIPS,"i2c msp3400 v4l2 set_stereo");
+
+	if (hdw->input_val == PVR2_CVAL_INPUT_TV) {
+		struct v4l2_tuner vt;
+		memset(&vt,0,sizeof(vt));
+		vt.audmode = hdw->audiomode_val;
+		pvr2_i2c_client_cmd(ctxt->client,VIDIOC_S_TUNER,&vt);
+	}
+
+	route.input = MSP_INPUT_DEFAULT;
+	route.output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1);
+	switch (hdw->input_val) {
+	case PVR2_CVAL_INPUT_TV:
+		break;
+	case PVR2_CVAL_INPUT_RADIO:
+		/* Assume that msp34xx also handle FM decoding, in which case
+		   we're still using the tuner. */
+		/* HV: actually it is more likely to be the SCART2 input if
+		   the ivtv experience is any indication. */
+		route.input = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1,
+				    MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
+		break;
+	case PVR2_CVAL_INPUT_SVIDEO:
+	case PVR2_CVAL_INPUT_COMPOSITE:
+		/* SCART 1 input */
+		route.input = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1,
+				    MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
+		break;
+	}
+	pvr2_i2c_client_cmd(ctxt->client,VIDIOC_INT_S_AUDIO_ROUTING,&route);
+}
+
+
+static int check_stereo(struct pvr2_msp3400_handler *ctxt)
+{
+	struct pvr2_hdw *hdw = ctxt->hdw;
+	return (hdw->input_dirty ||
+		hdw->audiomode_dirty);
+}
+
+
+struct pvr2_msp3400_ops {
+	void (*update)(struct pvr2_msp3400_handler *);
+	int (*check)(struct pvr2_msp3400_handler *);
+};
+
+
+static const struct pvr2_msp3400_ops msp3400_ops[] = {
+	{ .update = set_stereo, .check = check_stereo},
+};
+
+
+static int msp3400_check(struct pvr2_msp3400_handler *ctxt)
+{
+	unsigned long msk;
+	unsigned int idx;
+
+	for (idx = 0; idx < sizeof(msp3400_ops)/sizeof(msp3400_ops[0]);
+	     idx++) {
+		msk = 1 << idx;
+		if (ctxt->stale_mask & msk) continue;
+		if (msp3400_ops[idx].check(ctxt)) {
+			ctxt->stale_mask |= msk;
+		}
+	}
+	return ctxt->stale_mask != 0;
+}
+
+
+static void msp3400_update(struct pvr2_msp3400_handler *ctxt)
+{
+	unsigned long msk;
+	unsigned int idx;
+
+	for (idx = 0; idx < sizeof(msp3400_ops)/sizeof(msp3400_ops[0]);
+	     idx++) {
+		msk = 1 << idx;
+		if (!(ctxt->stale_mask & msk)) continue;
+		ctxt->stale_mask &= ~msk;
+		msp3400_ops[idx].update(ctxt);
+	}
+}
+
+
+/* This reads back the current signal type */
+static int get_audio_status(struct pvr2_msp3400_handler *ctxt)
+{
+	struct v4l2_tuner vt;
+	int stat;
+
+	memset(&vt,0,sizeof(vt));
+	stat = pvr2_i2c_client_cmd(ctxt->client,VIDIOC_G_TUNER,&vt);
+	if (stat < 0) return stat;
+
+	ctxt->hdw->flag_stereo = (vt.audmode & V4L2_TUNER_MODE_STEREO) != 0;
+	ctxt->hdw->flag_bilingual =
+		(vt.audmode & V4L2_TUNER_MODE_LANG2) != 0;
+	return 0;
+}
+
+
+static void pvr2_msp3400_detach(struct pvr2_msp3400_handler *ctxt)
+{
+	ctxt->client->handler = 0;
+	ctxt->hdw->audio_stat = 0;
+	kfree(ctxt);
+}
+
+
+static unsigned int pvr2_msp3400_describe(struct pvr2_msp3400_handler *ctxt,
+					  char *buf,unsigned int cnt)
+{
+	return scnprintf(buf,cnt,"handler: pvrusb2-audio v4l2");
+}
+
+
+const static struct pvr2_i2c_handler_functions msp3400_funcs = {
+	.detach = (void (*)(void *))pvr2_msp3400_detach,
+	.check = (int (*)(void *))msp3400_check,
+	.update = (void (*)(void *))msp3400_update,
+	.describe = (unsigned int (*)(void *,char *,unsigned int))pvr2_msp3400_describe,
+};
+
+
+int pvr2_i2c_msp3400_setup(struct pvr2_hdw *hdw,struct pvr2_i2c_client *cp)
+{
+	struct pvr2_msp3400_handler *ctxt;
+	if (hdw->audio_stat) return 0;
+	if (cp->handler) return 0;
+
+	ctxt = kmalloc(sizeof(*ctxt),GFP_KERNEL);
+	if (!ctxt) return 0;
+	memset(ctxt,0,sizeof(*ctxt));
+
+	ctxt->i2c_handler.func_data = ctxt;
+	ctxt->i2c_handler.func_table = &msp3400_funcs;
+	ctxt->client = cp;
+	ctxt->hdw = hdw;
+	ctxt->astat.ctxt = ctxt;
+	ctxt->astat.status = (int (*)(void *))get_audio_status;
+	ctxt->astat.detach = (void (*)(void *))pvr2_msp3400_detach;
+	ctxt->stale_mask = (1 << (sizeof(msp3400_ops)/
+				  sizeof(msp3400_ops[0]))) - 1;
+	cp->handler = &ctxt->i2c_handler;
+	hdw->audio_stat = &ctxt->astat;
+	pvr2_trace(PVR2_TRACE_CHIPS,"i2c 0x%x msp3400 V4L2 handler set up",
+		   cp->client->addr);
+	return !0;
+}
+
+
+/*
+  Stuff for Emacs to see, in order to encourage consistent editing style:
+  *** Local Variables: ***
+  *** mode: c ***
+  *** fill-column: 70 ***
+  *** tab-width: 8 ***
+  *** c-basic-offset: 8 ***
+  *** End: ***
+  */
diff --git a/drivers/media/video/pvrusb2/pvrusb2-audio.h b/drivers/media/video/pvrusb2/pvrusb2-audio.h
new file mode 100644
index 00000000000..536339b6884
--- /dev/null
+++ b/drivers/media/video/pvrusb2/pvrusb2-audio.h
@@ -0,0 +1,40 @@
+/*
+ *
+ *  $Id$
+ *
+ *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
+ *  Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
+ *
+ *  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
+ *
+ *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#ifndef __PVRUSB2_AUDIO_H
+#define __PVRUSB2_AUDIO_H
+
+#include "pvrusb2-i2c-core.h"
+
+int pvr2_i2c_msp3400_setup(struct pvr2_hdw *,struct pvr2_i2c_client *);
+
+#endif /* __PVRUSB2_AUDIO_H */
+
+/*
+  Stuff for Emacs to see, in order to encourage consistent editing style:
+  *** Local Variables: ***
+  *** mode: c ***
+  *** fill-column: 70 ***
+  *** tab-width: 8 ***
+  *** c-basic-offset: 8 ***
+  *** End: ***
+  */
diff --git a/drivers/media/video/pvrusb2/pvrusb2-context.c b/drivers/media/video/pvrusb2/pvrusb2-context.c
new file mode 100644
index 00000000000..40dc59871a4
--- /dev/null
+++ b/drivers/media/video/pvrusb2/pvrusb2-context.c
@@ -0,0 +1,230 @@
+/*
+ *  $Id$
+ *
+ *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
+ *
+ *  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
+ *
+ *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include "pvrusb2-context.h"
+#include "pvrusb2-io.h"
+#include "pvrusb2-ioread.h"
+#include "pvrusb2-hdw.h"
+#include "pvrusb2-debug.h"
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+#include <asm/semaphore.h>
+
+
+static void pvr2_context_destroy(struct pvr2_context *mp)
+{
+	if (mp->hdw) pvr2_hdw_destroy(mp->hdw);
+	pvr2_trace(PVR2_TRACE_STRUCT,"Destroying pvr_main id=%p",mp);
+	flush_workqueue(mp->workqueue);
+	destroy_workqueue(mp->workqueue);
+	kfree(mp);
+}
+
+
+static void pvr2_context_trigger_poll(struct pvr2_context *mp)
+{
+	queue_work(mp->workqueue,&mp->workpoll);
+}
+
+
+static void pvr2_context_poll(struct pvr2_context *mp)
+{
+	pvr2_context_enter(mp); do {
+		pvr2_hdw_poll(mp->hdw);
+	} while (0); pvr2_context_exit(mp);
+}
+
+
+static void pvr2_context_setup(struct pvr2_context *mp)
+{
+	pvr2_context_enter(mp); do {
+		if (!pvr2_hdw_dev_ok(mp->hdw)) break;
+		pvr2_hdw_setup(mp->hdw);
+		pvr2_hdw_setup_poll_trigger(
+			mp->hdw,
+			(void (*)(void *))pvr2_context_trigger_poll,
+			mp);
+		if (!pvr2_hdw_dev_ok(mp->hdw)) break;
+		if (!pvr2_hdw_init_ok(mp->hdw)) break;
+		mp->video_stream.stream = pvr2_hdw_get_video_stream(mp->hdw);
+		if (mp->setup_func) {
+			mp->setup_func(mp);
+		}
+	} while (0); pvr2_context_exit(mp);
+}
+
+
+struct pvr2_context *pvr2_context_create(
+	struct usb_interface *intf,
+	const struct usb_device_id *devid,
+	void (*setup_func)(struct pvr2_context *))
+{
+	struct pvr2_context *mp