[mirror_ubuntu-bionic-kernel.git] / drivers / media / usb / au0828 / au0828-dvb.c

/*
 *  Driver for the Auvitek USB bridge
 *
 *  Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
 *
 *  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.
 */

#include "au0828.h"

#include <linux/module.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/device.h>
#include <media/v4l2-common.h>
#include <media/tuner.h>

#include "au8522.h"
#include "xc5000.h"
#include "mxl5007t.h"
#include "tda18271.h"

static int preallocate_big_buffers;
module_param_named(preallocate_big_buffers, preallocate_big_buffers, int, 0644);
MODULE_PARM_DESC(preallocate_big_buffers, "Preallocate the larger transfer buffers at module load time");

DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

#define _AU0828_BULKPIPE 0x83
#define _BULKPIPESIZE 0xe522

static u8 hauppauge_hvr950q_led_states[] = {
	0x00, /* off */
	0x02, /* yellow */
	0x04, /* green */
};

static struct au8522_led_config hauppauge_hvr950q_led_cfg = {
	.gpio_output = 0x00e0,
	.gpio_output_enable  = 0x6006,
	.gpio_output_disable = 0x0660,

	.gpio_leds = 0x00e2,
	.led_states  = hauppauge_hvr950q_led_states,
	.num_led_states = sizeof(hauppauge_hvr950q_led_states),

	.vsb8_strong   = 20 /* dB */ * 10,
	.qam64_strong  = 25 /* dB */ * 10,
	.qam256_strong = 32 /* dB */ * 10,
};

static struct au8522_config hauppauge_hvr950q_config = {
	.demod_address = 0x8e >> 1,
	.status_mode   = AU8522_DEMODLOCKING,
	.qam_if        = AU8522_IF_6MHZ,
	.vsb_if        = AU8522_IF_6MHZ,
	.led_cfg       = &hauppauge_hvr950q_led_cfg,
};

static struct au8522_config fusionhdtv7usb_config = {
	.demod_address = 0x8e >> 1,
	.status_mode   = AU8522_DEMODLOCKING,
	.qam_if        = AU8522_IF_6MHZ,
	.vsb_if        = AU8522_IF_6MHZ,
};

static struct au8522_config hauppauge_woodbury_config = {
	.demod_address = 0x8e >> 1,
	.status_mode   = AU8522_DEMODLOCKING,
	.qam_if        = AU8522_IF_4MHZ,
	.vsb_if        = AU8522_IF_3_25MHZ,
};

static struct xc5000_config hauppauge_xc5000a_config = {
	.i2c_address      = 0x61,
	.if_khz           = 6000,
	.chip_id          = XC5000A,
	.output_amp       = 0x8f,
};

static struct xc5000_config hauppauge_xc5000c_config = {
	.i2c_address      = 0x61,
	.if_khz           = 6000,
	.chip_id          = XC5000C,
	.output_amp       = 0x8f,
};

static struct mxl5007t_config mxl5007t_hvr950q_config = {
	.xtal_freq_hz = MxL_XTAL_24_MHZ,
	.if_freq_hz = MxL_IF_6_MHZ,
};

static struct tda18271_config hauppauge_woodbury_tunerconfig = {
	.gate    = TDA18271_GATE_DIGITAL,
};

static void au0828_restart_dvb_streaming(struct work_struct *work);

static void au0828_bulk_timeout(struct timer_list *t)
{
	struct au0828_dev *dev = from_timer(dev, t, bulk_timeout);

	dprintk(1, "%s called\n", __func__);
	dev->bulk_timeout_running = 0;
	schedule_work(&dev->restart_streaming);
}

/*-------------------------------------------------------------------*/
static void urb_completion(struct urb *purb)
{
	struct au0828_dev *dev = purb->context;
	int ptype = usb_pipetype(purb->pipe);
	unsigned char *ptr;

	dprintk(2, "%s: %d\n", __func__, purb->actual_length);

	if (!dev) {
		dprintk(2, "%s: no dev!\n", __func__);
		return;
	}

	if (!dev->urb_streaming) {
		dprintk(2, "%s: not streaming!\n", __func__);
		return;
	}

	if (ptype != PIPE_BULK) {
		pr_err("%s: Unsupported URB type %d\n",
		       __func__, ptype);
		return;
	}

	/* See if the stream is corrupted (to work around a hardware
	   bug where the stream gets misaligned */
	ptr = purb->transfer_buffer;
	if (purb->actual_length > 0 && ptr[0] != 0x47) {
		dprintk(1, "Need to restart streaming %02x len=%d!\n",
			ptr[0], purb->actual_length);
		schedule_work(&dev->restart_streaming);
		return;
	} else if (dev->bulk_timeout_running == 1) {
		/* The URB handler has fired, so cancel timer which would
		 * restart endpoint if we hadn't
		 */
		dprintk(1, "%s cancelling bulk timeout\n", __func__);
		dev->bulk_timeout_running = 0;
		del_timer(&dev->bulk_timeout);
	}

	/* Feed the transport payload into the kernel demux */
	dvb_dmx_swfilter_packets(&dev->dvb.demux,
		purb->transfer_buffer, purb->actual_length / 188);

	/* Clean the buffer before we requeue */
	memset(purb->transfer_buffer, 0, URB_BUFSIZE);

	/* Requeue URB */
	usb_submit_urb(purb, GFP_ATOMIC);
}

static int stop_urb_transfer(struct au0828_dev *dev)
{
	int i;

	dprintk(2, "%s()\n", __func__);

	if (!dev->urb_streaming)
		return 0;

	if (dev->bulk_timeout_running == 1) {
		dev->bulk_timeout_running = 0;
		del_timer(&dev->bulk_timeout);
	}

	dev->urb_streaming = false;
	for (i = 0; i < URB_COUNT; i++) {
		if (dev->urbs[i]) {
			usb_kill_urb(dev->urbs[i]);
			if (!preallocate_big_buffers)
				kfree(dev->urbs[i]->transfer_buffer);

			usb_free_urb(dev->urbs[i]);
		}
	}

	return 0;
}

static int start_urb_transfer(struct au0828_dev *dev)
{
	struct urb *purb;
	int i, ret;

	dprintk(2, "%s()\n", __func__);

	if (dev->urb_streaming) {
		dprintk(2, "%s: bulk xfer already running!\n", __func__);
		return 0;
	}

	for (i = 0; i < URB_COUNT; i++) {

		dev->urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
		if (!dev->urbs[i])
			return -ENOMEM;

		purb = dev->urbs[i];

		if (preallocate_big_buffers)
			purb->transfer_buffer = dev->dig_transfer_buffer[i];
		else
			purb->transfer_buffer = kzalloc(URB_BUFSIZE,
					GFP_KERNEL);

		if (!purb->transfer_buffer) {
			usb_free_urb(purb);
			dev->urbs[i] = NULL;
			ret = -ENOMEM;
			pr_err("%s: failed big buffer allocation, err = %d\n",
			       __func__, ret);
			return ret;
		}

		purb->status = -EINPROGRESS;
		usb_fill_bulk_urb(purb,
				  dev->usbdev,
				  usb_rcvbulkpipe(dev->usbdev,
					_AU0828_BULKPIPE),
				  purb->transfer_buffer,
				  URB_BUFSIZE,
				  urb_completion,
				  dev);

	}

	for (i = 0; i < URB_COUNT; i++) {
		ret = usb_submit_urb(dev->urbs[i], GFP_ATOMIC);
		if (ret != 0) {
			stop_urb_transfer(dev);
			pr_err("%s: failed urb submission, err = %d\n",
			       __func__, ret);
			return ret;
		}
	}

	dev->urb_streaming = true;

	/* If we don't valid data within 1 second, restart stream */
	mod_timer(&dev->bulk_timeout, jiffies + (HZ));
	dev->bulk_timeout_running = 1;

	return 0;
}

static void au0828_start_transport(struct au0828_dev *dev)
{
	au0828_write(dev, 0x608, 0x90);
	au0828_write(dev, 0x609, 0x72);
	au0828_write(dev, 0x60a, 0x71);
	au0828_write(dev, 0x60b, 0x01);

}

static void au0828_stop_transport(struct au0828_dev *dev, int full_stop)
{
	if (full_stop) {
		au0828_write(dev, 0x608, 0x00);
		au0828_write(dev, 0x609, 0x00);
		au0828_write(dev, 0x60a, 0x00);
	}
	au0828_write(dev, 0x60b, 0x00);
}

static int au0828_dvb_start_feed(struct dvb_demux_feed *feed)
{
	struct dvb_demux *demux = feed->demux;
	struct au0828_dev *dev = (struct au0828_dev *) demux->priv;
	struct au0828_dvb *dvb = &dev->dvb;
	int ret = 0;

	dprintk(1, "%s()\n", __func__);

	if (!demux->dmx.frontend)
		return -EINVAL;

	if (dvb->frontend) {
		mutex_lock(&dvb->lock);
		dvb->start_count++;
		dprintk(1, "%s(), start_count: %d, stop_count: %d\n", __func__,
			dvb->start_count, dvb->stop_count);
		if (dvb->feeding++ == 0) {
			/* Start transport */
			au0828_start_transport(dev);
			ret = start_urb_transfer(dev);
			if (ret < 0) {
				au0828_stop_transport(dev, 0);
				dvb->feeding--;	/* We ran out of memory... */
			}
		}
		mutex_unlock(&dvb->lock);
	}

	return ret;
}

static int au0828_dvb_stop_feed(struct dvb_demux_feed *feed)
{
	struct dvb_demux *demux = feed->demux;
	struct au0828_dev *dev = (struct au0828_dev *) demux->priv;
	struct au0828_dvb *dvb = &dev->dvb;
	int ret = 0;

	dprintk(1, "%s()\n", __func__);

	if (dvb->frontend) {
		cancel_work_sync(&dev->restart_streaming);

		mutex_lock(&dvb->lock);
		dvb->stop_count++;
		dprintk(1, "%s(), start_count: %d, stop_count: %d\n", __func__,
			dvb->start_count, dvb->stop_count);
		if (dvb->feeding > 0) {
			dvb->feeding--;
			if (dvb->feeding == 0) {
				/* Stop transport */
				ret = stop_urb_transfer(dev);
				au0828_stop_transport(dev, 0);
			}
		}
		mutex_unlock(&dvb->lock);
	}

	return ret;
}

static void au0828_restart_dvb_streaming(struct work_struct *work)
{
	struct au0828_dev *dev = container_of(work, struct au0828_dev,
					      restart_streaming);
	struct au0828_dvb *dvb = &dev->dvb;

	if (!dev->urb_streaming)
		return;

	dprintk(1, "Restarting streaming...!\n");

	mutex_lock(&dvb->lock);

	/* Stop transport */
	stop_urb_transfer(dev);
	au0828_stop_transport(dev, 1);

	/* Start transport */
	au0828_start_transport(dev);
	start_urb_transfer(dev);

	mutex_unlock(&dvb->lock);
}

static int au0828_set_frontend(struct dvb_frontend *fe)
{
	struct au0828_dev *dev = fe->dvb->priv;
	struct au0828_dvb *dvb = &dev->dvb;
	int ret, was_streaming;

	mutex_lock(&dvb->lock);
	was_streaming = dev->urb_streaming;
	if (was_streaming) {
		au0828_stop_transport(dev, 1);

		/*
		 * We can't hold a mutex here, as the restart_streaming
		 * kthread may also hold it.
		 */
		mutex_unlock(&dvb->lock);
		cancel_work_sync(&dev->restart_streaming);
		mutex_lock(&dvb->lock);

		stop_urb_transfer(dev);
	}
	mutex_unlock(&dvb->lock);

	ret = dvb->set_frontend(fe);

	if (was_streaming) {
		mutex_lock(&dvb->lock);
		au0828_start_transport(dev);
		start_urb_transfer(dev);
		mutex_unlock(&dvb->lock);
	}

	return ret;
}

static int dvb_register(struct au0828_dev *dev)
{
	struct au0828_dvb *dvb = &dev->dvb;
	int result;

	dprintk(1, "%s()\n", __func__);

	if (preallocate_big_buffers) {
		int i;
		for (i = 0; i < URB_COUNT; i++) {
			dev->dig_transfer_buffer[i] = kzalloc(URB_BUFSIZE,
					GFP_KERNEL);

			if (!dev->dig_transfer_buffer[i]) {
				result = -ENOMEM;

				pr_err("failed buffer allocation (errno = %d)\n",
				       result);
				goto fail_adapter;
			}
		}
	}

	INIT_WORK(&dev->restart_streaming, au0828_restart_dvb_streaming);

	/* register adapter */
	result = dvb_register_adapter(&dvb->adapter,
				      KBUILD_MODNAME, THIS_MODULE,
				      &dev->usbdev->dev, adapter_nr);
	if (result < 0) {
		pr_err("dvb_register_adapter failed (errno = %d)\n",
		       result);
		goto fail_adapter;
	}

#ifdef CONFIG_MEDIA_CONTROLLER_DVB
	dvb->adapter.mdev = dev->media_dev;
#endif

	dvb->adapter.priv = dev;

	/* register frontend */
	result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
	if (result < 0) {
		pr_err("dvb_register_frontend failed (errno = %d)\n",
		       result);
		goto fail_frontend;
	}

	/* Hook dvb frontend */
	dvb->set_frontend = dvb->frontend->ops.set_frontend;
	dvb->frontend->ops.set_frontend = au0828_set_frontend;

	/* register demux stuff */
	dvb->demux.dmx.capabilities =
		DMX_TS_FILTERING | DMX_SECTION_FILTERING |
		DMX_MEMORY_BASED_FILTERING;
	dvb->demux.priv       = dev;
	dvb->demux.filternum  = 256;
	dvb->demux.feednum    = 256;
	dvb->demux.start_feed = au0828_dvb_start_feed;
	dvb->demux.stop_feed  = au0828_dvb_stop_feed;
	result = dvb_dmx_init(&dvb->demux);
	if (result < 0) {
		pr_err("dvb_dmx_init failed (errno = %d)\n", result);
		goto fail_dmx;
	}

	dvb->dmxdev.filternum    = 256;
	dvb->dmxdev.demux        = &dvb->demux.dmx;
	dvb->dmxdev.capabilities = 0;
	result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
	if (result < 0) {
		pr_err("dvb_dmxdev_init failed (errno = %d)\n", result);
		goto fail_dmxdev;
	}

	dvb->fe_hw.source = DMX_FRONTEND_0;
	result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	if (result < 0) {
		pr_err("add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
		       result);
		goto fail_fe_hw;
	}

	dvb->fe_mem.source = DMX_MEMORY_FE;
	result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
	if (result < 0) {
		pr_err("add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
		       result);
		goto fail_fe_mem;
	}

	result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	if (result < 0) {
		pr_err("connect_frontend failed (errno = %d)\n", result);
		goto fail_fe_conn;
	}

	/* register network adapter */
	dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);

	dvb->start_count = 0;
	dvb->stop_count = 0;

	result = dvb_create_media_graph(&dvb->adapter, false);
	if (result < 0)
		goto fail_create_graph;

	return 0;

fail_create_graph:
	dvb_net_release(&dvb->net);
fail_fe_conn:
	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
fail_fe_mem:
	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
fail_fe_hw:
	dvb_dmxdev_release(&dvb->dmxdev);
fail_dmxdev:
	dvb_dmx_release(&dvb->demux);
fail_dmx:
	dvb_unregister_frontend(dvb->frontend);
fail_frontend:
	dvb_frontend_detach(dvb->frontend);
	dvb_unregister_adapter(&dvb->adapter);
fail_adapter:

	if (preallocate_big_buffers) {
		int i;
		for (i = 0; i < URB_COUNT; i++)
			kfree(dev->dig_transfer_buffer[i]);
	}

	return result;
}

void au0828_dvb_unregister(struct au0828_dev *dev)
{
	struct au0828_dvb *dvb = &dev->dvb;

	dprintk(1, "%s()\n", __func__);

	if (dvb->frontend == NULL)
		return;

	cancel_work_sync(&dev->restart_streaming);

	dvb_net_release(&dvb->net);
	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	dvb_dmxdev_release(&dvb->dmxdev);
	dvb_dmx_release(&dvb->demux);
	dvb_unregister_frontend(dvb->frontend);
	dvb_frontend_detach(dvb->frontend);
	dvb_unregister_adapter(&dvb->adapter);

	if (preallocate_big_buffers) {
		int i;
		for (i = 0; i < URB_COUNT; i++)
			kfree(dev->dig_transfer_buffer[i]);
	}
	dvb->frontend = NULL;
}

/* All the DVB attach calls go here, this function get's modified
 * for each new card. No other function in this file needs
 * to change.
 */
int au0828_dvb_register(struct au0828_dev *dev)
{
	struct au0828_dvb *dvb = &dev->dvb;
	int ret;

	dprintk(1, "%s()\n", __func__);

	/* init frontend */
	switch (dev->boardnr) {
	case AU0828_BOARD_HAUPPAUGE_HVR850:
	case AU0828_BOARD_HAUPPAUGE_HVR950Q:
		dvb->frontend = dvb_attach(au8522_attach,
				&hauppauge_hvr950q_config,
				&dev->i2c_adap);
		if (dvb->frontend != NULL)
			switch (dev->board.tuner_type) {
			default:
			case TUNER_XC5000:
				dvb_attach(xc5000_attach, dvb->frontend,
					   &dev->i2c_adap,
					   &hauppauge_xc5000a_config);
				break;
			case TUNER_XC5000C:
				dvb_attach(xc5000_attach, dvb->frontend,
					   &dev->i2c_adap,
					   &hauppauge_xc5000c_config);
				break;
			}
		break;
	case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
		dvb->frontend = dvb_attach(au8522_attach,
				&hauppauge_hvr950q_config,
				&dev->i2c_adap);
		if (dvb->frontend != NULL)
			dvb_attach(mxl5007t_attach, dvb->frontend,
				   &dev->i2c_adap, 0x60,
				   &mxl5007t_hvr950q_config);
		break;
	case AU0828_BOARD_HAUPPAUGE_WOODBURY:
		dvb->frontend = dvb_attach(au8522_attach,
				&hauppauge_woodbury_config,
				&dev->i2c_adap);
		if (dvb->frontend != NULL)
			dvb_attach(tda18271_attach, dvb->frontend,
				   0x60, &dev->i2c_adap,
				   &hauppauge_woodbury_tunerconfig);
		break;
	case AU0828_BOARD_DVICO_FUSIONHDTV7:
		dvb->frontend = dvb_attach(au8522_attach,
				&fusionhdtv7usb_config,
				&dev->i2c_adap);
		if (dvb->frontend != NULL) {
			dvb_attach(xc5000_attach, dvb->frontend,
				&dev->i2c_adap,
				&hauppauge_xc5000a_config);
		}
		break;
	default:
		pr_warn("The frontend of your DVB/ATSC card isn't supported yet\n");
		break;
	}
	if (NULL == dvb->frontend) {
		pr_err("%s() Frontend initialization failed\n",
		       __func__);
		return -1;
	}
	/* define general-purpose callback pointer */
	dvb->frontend->callback = au0828_tuner_callback;

	/* register everything */
	ret = dvb_register(dev);
	if (ret < 0) {
		if (dvb->frontend->ops.release)
			dvb->frontend->ops.release(dvb->frontend);
		dvb->frontend = NULL;
		return ret;
	}

	timer_setup(&dev->bulk_timeout, au0828_bulk_timeout, 0);

	return 0;
}

void au0828_dvb_suspend(struct au0828_dev *dev)
{
	struct au0828_dvb *dvb = &dev->dvb;
	int rc;

	if (dvb->frontend) {
		if (dev->urb_streaming) {
			cancel_work_sync(&dev->restart_streaming);
			/* Stop transport */
			mutex_lock(&dvb->lock);
			stop_urb_transfer(dev);
			au0828_stop_transport(dev, 1);
			mutex_unlock(&dvb->lock);
			dev->need_urb_start = true;
		}
		/* suspend frontend - does tuner and fe to sleep */
		rc = dvb_frontend_suspend(dvb->frontend);
		pr_info("au0828_dvb_suspend(): Suspending DVB fe %d\n", rc);
	}
}

void au0828_dvb_resume(struct au0828_dev *dev)
{
	struct au0828_dvb *dvb = &dev->dvb;
	int rc;

	if (dvb->frontend) {
		/* resume frontend - does fe and tuner init */
		rc = dvb_frontend_resume(dvb->frontend);
		pr_info("au0828_dvb_resume(): Resuming DVB fe %d\n", rc);
		if (dev->need_urb_start) {
			/* Start transport */
			mutex_lock(&dvb->lock);
			au0828_start_transport(dev);
			start_urb_transfer(dev);
			mutex_unlock(&dvb->lock);
		}
	}
}
Commit	Line	Data
265a6510 ST	1	/*
	2	* Driver for the Auvitek USB bridge
	3	*
6d897616	4	* Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
265a6510 ST	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	*
	15	* GNU General Public License for more details.
265a6510 ST	16	*/
265a6510 ST	17
83afb32a MCC	18	#include "au0828.h"
83afb32a MCC	19
265a6510	20	#include <linux/module.h>
5a0e3ad6	21	#include <linux/slab.h>
265a6510 ST	22	#include <linux/init.h>
265a6510 ST	23	#include <linux/device.h>
265a6510	24	#include <media/v4l2-common.h>
be183dc3	25	#include <media/tuner.h>
265a6510	26
265a6510 ST	27	#include "au8522.h"
265a6510 ST	28	#include "xc5000.h"
59d27521	29	#include "mxl5007t.h"
8e8bd229	30	#include "tda18271.h"
265a6510	31
793708ff	32	static int preallocate_big_buffers;
f251b3e7 TM	33	module_param_named(preallocate_big_buffers, preallocate_big_buffers, int, 0644);
	34	MODULE_PARM_DESC(preallocate_big_buffers, "Preallocate the larger transfer buffers at module load time");
	35
265a6510 ST	36	DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
265a6510 ST	37
a9c36aad ST	38	#define _AU0828_BULKPIPE 0x83
	39	#define _BULKPIPESIZE 0xe522
	40
adeeac3b MK	41	static u8 hauppauge_hvr950q_led_states[] = {
	42	0x00, /* off */
	43	0x02, /* yellow */
	44	0x04, /* green */
	45	};
	46
	47	static struct au8522_led_config hauppauge_hvr950q_led_cfg = {
	48	.gpio_output = 0x00e0,
	49	.gpio_output_enable = 0x6006,
	50	.gpio_output_disable = 0x0660,
	51
	52	.gpio_leds = 0x00e2,
	53	.led_states = hauppauge_hvr950q_led_states,
	54	.num_led_states = sizeof(hauppauge_hvr950q_led_states),
	55
	56	.vsb8_strong = 20 /* dB / 10,
	57	.qam64_strong = 25 /* dB / 10,
	58	.qam256_strong = 32 /* dB / 10,
	59	};
	60
265a6510 ST	61	static struct au8522_config hauppauge_hvr950q_config = {
	62	.demod_address = 0x8e >> 1,
	63	.status_mode = AU8522_DEMODLOCKING,
e908b6e3 MK	64	.qam_if = AU8522_IF_6MHZ,
e908b6e3 MK	65	.vsb_if = AU8522_IF_6MHZ,
adeeac3b MK	66	.led_cfg = &hauppauge_hvr950q_led_cfg,
	67	};
	68
	69	static struct au8522_config fusionhdtv7usb_config = {
	70	.demod_address = 0x8e >> 1,
	71	.status_mode = AU8522_DEMODLOCKING,
	72	.qam_if = AU8522_IF_6MHZ,
	73	.vsb_if = AU8522_IF_6MHZ,
265a6510 ST	74	};
265a6510 ST	75
8e8bd229 MK	76	static struct au8522_config hauppauge_woodbury_config = {
	77	.demod_address = 0x8e >> 1,
	78	.status_mode = AU8522_DEMODLOCKING,
	79	.qam_if = AU8522_IF_4MHZ,
	80	.vsb_if = AU8522_IF_3_25MHZ,
	81	};
	82
be183dc3	83	static struct xc5000_config hauppauge_xc5000a_config = {
265a6510 ST	84	.i2c_address = 0x61,
265a6510 ST	85	.if_khz = 6000,
be183dc3	86	.chip_id = XC5000A,
52e269b1	87	.output_amp = 0x8f,
be183dc3 MK	88	};
	89
	90	static struct xc5000_config hauppauge_xc5000c_config = {
	91	.i2c_address = 0x61,
	92	.if_khz = 6000,
	93	.chip_id = XC5000C,
52e269b1	94	.output_amp = 0x8f,
265a6510 ST	95	};
265a6510 ST	96
59d27521 MK	97	static struct mxl5007t_config mxl5007t_hvr950q_config = {
	98	.xtal_freq_hz = MxL_XTAL_24_MHZ,
	99	.if_freq_hz = MxL_IF_6_MHZ,
	100	};
	101
8e8bd229 MK	102	static struct tda18271_config hauppauge_woodbury_tunerconfig = {
	103	.gate = TDA18271_GATE_DIGITAL,
	104	};
	105
43f2cccf DH	106	static void au0828_restart_dvb_streaming(struct work_struct *work);
43f2cccf DH	107
e99e88a9	108	static void au0828_bulk_timeout(struct timer_list *t)
53460c53	109	{
e99e88a9	110	struct au0828_dev *dev = from_timer(dev, t, bulk_timeout);
53460c53 DH	111
	112	dprintk(1, "%s called\n", __func__);
	113	dev->bulk_timeout_running = 0;
	114	schedule_work(&dev->restart_streaming);
	115	}
	116
265a6510 ST	117	/-------------------------------------------------------------------/
	118	static void urb_completion(struct urb *purb)
	119	{
265a6510 ST	120	struct au0828_dev *dev = purb->context;
265a6510 ST	121	int ptype = usb_pipetype(purb->pipe);
43f2cccf	122	unsigned char *ptr;
265a6510	123
c35fbd03	124	dprintk(2, "%s: %d\n", __func__, purb->actual_length);
bc3c613c	125
c35fbd03 MCC	126	if (!dev) {
c35fbd03 MCC	127	dprintk(2, "%s: no dev!\n", __func__);
9c26de55	128	return;
c35fbd03	129	}
9c26de55	130
2930977a	131	if (!dev->urb_streaming) {
c35fbd03	132	dprintk(2, "%s: not streaming!\n", __func__);
265a6510	133	return;
c35fbd03	134	}
265a6510 ST	135
265a6510 ST	136	if (ptype != PIPE_BULK) {
83afb32a	137	pr_err("%s: Unsupported URB type %d\n",
f07e8e4b	138	__func__, ptype);
265a6510 ST	139	return;
	140	}
	141
43f2cccf DH	142	/* See if the stream is corrupted (to work around a hardware
	143	bug where the stream gets misaligned */
	144	ptr = purb->transfer_buffer;
	145	if (purb->actual_length > 0 && ptr[0] != 0x47) {
	146	dprintk(1, "Need to restart streaming %02x len=%d!\n",
	147	ptr[0], purb->actual_length);
	148	schedule_work(&dev->restart_streaming);
	149	return;
53460c53 DH	150	} else if (dev->bulk_timeout_running == 1) {
	151	/* The URB handler has fired, so cancel timer which would
	152	* restart endpoint if we hadn't
	153	*/
	154	dprintk(1, "%s cancelling bulk timeout\n", __func__);
	155	dev->bulk_timeout_running = 0;
	156	del_timer(&dev->bulk_timeout);
43f2cccf DH	157	}
43f2cccf DH	158
265a6510	159	/* Feed the transport payload into the kernel demux */
a9c36aad ST	160	dvb_dmx_swfilter_packets(&dev->dvb.demux,
a9c36aad ST	161	purb->transfer_buffer, purb->actual_length / 188);
265a6510 ST	162
	163	/* Clean the buffer before we requeue */
	164	memset(purb->transfer_buffer, 0, URB_BUFSIZE);
	165
	166	/* Requeue URB */
	167	usb_submit_urb(purb, GFP_ATOMIC);
	168	}
	169
	170	static int stop_urb_transfer(struct au0828_dev *dev)
	171	{
	172	int i;
	173
f07e8e4b	174	dprintk(2, "%s()\n", __func__);
265a6510	175
2930977a MCC	176	if (!dev->urb_streaming)
	177	return 0;
	178
53460c53 DH	179	if (dev->bulk_timeout_running == 1) {
	180	dev->bulk_timeout_running = 0;
	181	del_timer(&dev->bulk_timeout);
	182	}
	183
2930977a	184	dev->urb_streaming = false;
265a6510	185	for (i = 0; i < URB_COUNT; i++) {
4609981f TM	186	if (dev->urbs[i]) {
4609981f TM	187	usb_kill_urb(dev->urbs[i]);
f251b3e7 TM	188	if (!preallocate_big_buffers)
	189	kfree(dev->urbs[i]->transfer_buffer);
	190
4609981f TM	191	usb_free_urb(dev->urbs[i]);
4609981f TM	192	}
265a6510 ST	193	}
265a6510 ST	194
265a6510 ST	195	return 0;
	196	}
	197
265a6510 ST	198	static int start_urb_transfer(struct au0828_dev *dev)
	199	{
	200	struct urb *purb;
80c1bce9	201	int i, ret;
265a6510	202
f07e8e4b	203	dprintk(2, "%s()\n", __func__);
265a6510 ST	204
265a6510 ST	205	if (dev->urb_streaming) {
53761761	206	dprintk(2, "%s: bulk xfer already running!\n", __func__);
265a6510 ST	207	return 0;
	208	}
	209
	210	for (i = 0; i < URB_COUNT; i++) {
	211
	212	dev->urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
18d73c58	213	if (!dev->urbs[i])
80c1bce9	214	return -ENOMEM;
265a6510 ST	215
	216	purb = dev->urbs[i];
	217
f251b3e7 TM	218	if (preallocate_big_buffers)
	219	purb->transfer_buffer = dev->dig_transfer_buffer[i];
	220	else
	221	purb->transfer_buffer = kzalloc(URB_BUFSIZE,
	222	GFP_KERNEL);
	223
265a6510 ST	224	if (!purb->transfer_buffer) {
265a6510 ST	225	usb_free_urb(purb);
a6a3a17b	226	dev->urbs[i] = NULL;
80c1bce9	227	ret = -ENOMEM;
83afb32a	228	pr_err("%s: failed big buffer allocation, err = %d\n",
4609981f	229	__func__, ret);
80c1bce9	230	return ret;
265a6510 ST	231	}
	232
	233	purb->status = -EINPROGRESS;
	234	usb_fill_bulk_urb(purb,
	235	dev->usbdev,
a8eb912c ST	236	usb_rcvbulkpipe(dev->usbdev,
a8eb912c ST	237	_AU0828_BULKPIPE),
265a6510 ST	238	purb->transfer_buffer,
	239	URB_BUFSIZE,
	240	urb_completion,
	241	dev);
	242
	243	}
	244
	245	for (i = 0; i < URB_COUNT; i++) {
	246	ret = usb_submit_urb(dev->urbs[i], GFP_ATOMIC);
	247	if (ret != 0) {
	248	stop_urb_transfer(dev);
83afb32a MCC	249	pr_err("%s: failed urb submission, err = %d\n",
83afb32a MCC	250	__func__, ret);
265a6510 ST	251	return ret;
	252	}
	253	}
	254
2930977a	255	dev->urb_streaming = true;
53460c53 DH	256
	257	/* If we don't valid data within 1 second, restart stream */
	258	mod_timer(&dev->bulk_timeout, jiffies + (HZ));
	259	dev->bulk_timeout_running = 1;
	260
80c1bce9	261	return 0;
265a6510 ST	262	}
265a6510 ST	263
4609981f TM	264	static void au0828_start_transport(struct au0828_dev *dev)
	265	{
	266	au0828_write(dev, 0x608, 0x90);
	267	au0828_write(dev, 0x609, 0x72);
	268	au0828_write(dev, 0x60a, 0x71);
	269	au0828_write(dev, 0x60b, 0x01);
	270
	271	}
	272
	273	static void au0828_stop_transport(struct au0828_dev *dev, int full_stop)
	274	{
	275	if (full_stop) {
	276	au0828_write(dev, 0x608, 0x00);
	277	au0828_write(dev, 0x609, 0x00);
	278	au0828_write(dev, 0x60a, 0x00);
	279	}
	280	au0828_write(dev, 0x60b, 0x00);
	281	}
	282
265a6510 ST	283	static int au0828_dvb_start_feed(struct dvb_demux_feed *feed)
	284	{
	285	struct dvb_demux *demux = feed->demux;
	286	struct au0828_dev dev = (struct au0828_dev ) demux->priv;
	287	struct au0828_dvb *dvb = &dev->dvb;
	288	int ret = 0;
	289
f07e8e4b	290	dprintk(1, "%s()\n", __func__);
265a6510 ST	291
	292	if (!demux->dmx.frontend)
	293	return -EINVAL;
	294
bbc62a18	295	if (dvb->frontend) {
265a6510	296	mutex_lock(&dvb->lock);
4609981f TM	297	dvb->start_count++;
	298	dprintk(1, "%s(), start_count: %d, stop_count: %d\n", __func__,
	299	dvb->start_count, dvb->stop_count);
265a6510	300	if (dvb->feeding++ == 0) {
bc3c613c	301	/* Start transport */
4609981f	302	au0828_start_transport(dev);
265a6510	303	ret = start_urb_transfer(dev);
4609981f TM	304	if (ret < 0) {
	305	au0828_stop_transport(dev, 0);
	306	dvb->feeding--; /* We ran out of memory... */
	307	}
265a6510 ST	308	}
	309	mutex_unlock(&dvb->lock);
	310	}
	311
	312	return ret;
	313	}
	314
	315	static int au0828_dvb_stop_feed(struct dvb_demux_feed *feed)
	316	{
	317	struct dvb_demux *demux = feed->demux;
	318	struct au0828_dev dev = (struct au0828_dev ) demux->priv;
	319	struct au0828_dvb *dvb = &dev->dvb;
	320	int ret = 0;
	321
f07e8e4b	322	dprintk(1, "%s()\n", __func__);
265a6510	323
bbc62a18	324	if (dvb->frontend) {
f6fef863 MCC	325	cancel_work_sync(&dev->restart_streaming);
f6fef863 MCC	326
265a6510	327	mutex_lock(&dvb->lock);
4609981f TM	328	dvb->stop_count++;
	329	dprintk(1, "%s(), start_count: %d, stop_count: %d\n", __func__,
	330	dvb->start_count, dvb->stop_count);
	331	if (dvb->feeding > 0) {
	332	dvb->feeding--;
	333	if (dvb->feeding == 0) {
	334	/* Stop transport */
	335	ret = stop_urb_transfer(dev);
	336	au0828_stop_transport(dev, 0);
	337	}
265a6510 ST	338	}
	339	mutex_unlock(&dvb->lock);
	340	}
	341
	342	return ret;
	343	}
	344
43f2cccf DH	345	static void au0828_restart_dvb_streaming(struct work_struct *work)
	346	{
	347	struct au0828_dev *dev = container_of(work, struct au0828_dev,
	348	restart_streaming);
	349	struct au0828_dvb *dvb = &dev->dvb;
43f2cccf	350
2930977a	351	if (!dev->urb_streaming)
43f2cccf DH	352	return;
	353
	354	dprintk(1, "Restarting streaming...!\n");
	355
	356	mutex_lock(&dvb->lock);
	357
	358	/* Stop transport */
2e7b318f	359	stop_urb_transfer(dev);
4609981f	360	au0828_stop_transport(dev, 1);
43f2cccf DH	361
43f2cccf DH	362	/* Start transport */
4609981f	363	au0828_start_transport(dev);
2e7b318f	364	start_urb_transfer(dev);
43f2cccf DH	365
	366	mutex_unlock(&dvb->lock);
	367	}
	368
f6fef863 MCC	369	static int au0828_set_frontend(struct dvb_frontend *fe)
	370	{
	371	struct au0828_dev *dev = fe->dvb->priv;
	372	struct au0828_dvb *dvb = &dev->dvb;
	373	int ret, was_streaming;
	374
	375	mutex_lock(&dvb->lock);
	376	was_streaming = dev->urb_streaming;
	377	if (was_streaming) {
	378	au0828_stop_transport(dev, 1);
	379
	380	/*
	381	* We can't hold a mutex here, as the restart_streaming
	382	* kthread may also hold it.
	383	*/
	384	mutex_unlock(&dvb->lock);
	385	cancel_work_sync(&dev->restart_streaming);
	386	mutex_lock(&dvb->lock);
	387
	388	stop_urb_transfer(dev);
	389	}
	390	mutex_unlock(&dvb->lock);
	391
	392	ret = dvb->set_frontend(fe);
	393
	394	if (was_streaming) {
	395	mutex_lock(&dvb->lock);
	396	au0828_start_transport(dev);
	397	start_urb_transfer(dev);
	398	mutex_unlock(&dvb->lock);
	399	}
	400
	401	return ret;
	402	}
	403
b33d24c4	404	static int dvb_register(struct au0828_dev *dev)
265a6510 ST	405	{
	406	struct au0828_dvb *dvb = &dev->dvb;
	407	int result;
	408
f07e8e4b	409	dprintk(1, "%s()\n", __func__);
bc3c613c	410
f251b3e7 TM	411	if (preallocate_big_buffers) {
	412	int i;
	413	for (i = 0; i < URB_COUNT; i++) {
	414	dev->dig_transfer_buffer[i] = kzalloc(URB_BUFSIZE,
	415	GFP_KERNEL);
	416
	417	if (!dev->dig_transfer_buffer[i]) {
	418	result = -ENOMEM;
	419
83afb32a MCC	420	pr_err("failed buffer allocation (errno = %d)\n",
83afb32a MCC	421	result);
f251b3e7 TM	422	goto fail_adapter;
	423	}
	424	}
	425	}
	426
43f2cccf DH	427	INIT_WORK(&dev->restart_streaming, au0828_restart_dvb_streaming);
43f2cccf DH	428
265a6510	429	/* register adapter */
83afb32a MCC	430	result = dvb_register_adapter(&dvb->adapter,
83afb32a MCC	431	KBUILD_MODNAME, THIS_MODULE,
265a6510 ST	432	&dev->usbdev->dev, adapter_nr);
265a6510 ST	433	if (result < 0) {
83afb32a MCC	434	pr_err("dvb_register_adapter failed (errno = %d)\n",
83afb32a MCC	435	result);
265a6510 ST	436	goto fail_adapter;
265a6510 ST	437	}
bed69196 RLLC	438
	439	#ifdef CONFIG_MEDIA_CONTROLLER_DVB
	440	dvb->adapter.mdev = dev->media_dev;
	441	#endif
	442
265a6510 ST	443	dvb->adapter.priv = dev;
	444
	445	/* register frontend */
	446	result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
	447	if (result < 0) {
83afb32a MCC	448	pr_err("dvb_register_frontend failed (errno = %d)\n",
83afb32a MCC	449	result);
265a6510 ST	450	goto fail_frontend;
	451	}
	452
f6fef863 MCC	453	/* Hook dvb frontend */
	454	dvb->set_frontend = dvb->frontend->ops.set_frontend;
	455	dvb->frontend->ops.set_frontend = au0828_set_frontend;
	456
265a6510 ST	457	/* register demux stuff */
	458	dvb->demux.dmx.capabilities =
	459	DMX_TS_FILTERING \| DMX_SECTION_FILTERING \|
	460	DMX_MEMORY_BASED_FILTERING;
	461	dvb->demux.priv = dev;
	462	dvb->demux.filternum = 256;
	463	dvb->demux.feednum = 256;
	464	dvb->demux.start_feed = au0828_dvb_start_feed;
	465	dvb->demux.stop_feed = au0828_dvb_stop_feed;
	466	result = dvb_dmx_init(&dvb->demux);
	467	if (result < 0) {
83afb32a	468	pr_err("dvb_dmx_init failed (errno = %d)\n", result);
265a6510 ST	469	goto fail_dmx;
	470	}
	471
	472	dvb->dmxdev.filternum = 256;
	473	dvb->dmxdev.demux = &dvb->demux.dmx;
	474	dvb->dmxdev.capabilities = 0;
	475	result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
	476	if (result < 0) {
83afb32a	477	pr_err("dvb_dmxdev_init failed (errno = %d)\n", result);
265a6510 ST	478	goto fail_dmxdev;
	479	}
	480
	481	dvb->fe_hw.source = DMX_FRONTEND_0;
	482	result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	483	if (result < 0) {
83afb32a MCC	484	pr_err("add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
83afb32a MCC	485	result);
265a6510 ST	486	goto fail_fe_hw;
	487	}
	488
	489	dvb->fe_mem.source = DMX_MEMORY_FE;
	490	result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
	491	if (result < 0) {
83afb32a MCC	492	pr_err("add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
83afb32a MCC	493	result);
265a6510 ST	494	goto fail_fe_mem;
	495	}
	496
	497	result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	498	if (result < 0) {
83afb32a	499	pr_err("connect_frontend failed (errno = %d)\n", result);
265a6510 ST	500	goto fail_fe_conn;
	501	}
	502
	503	/* register network adapter */
	504	dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
4609981f TM	505
	506	dvb->start_count = 0;
	507	dvb->stop_count = 0;
bed69196	508
0230d60e	509	result = dvb_create_media_graph(&dvb->adapter, false);
0d3ab841 MCC	510	if (result < 0)
0d3ab841 MCC	511	goto fail_create_graph;
bed69196	512
265a6510 ST	513	return 0;
265a6510 ST	514
0d3ab841 MCC	515	fail_create_graph:
0d3ab841 MCC	516	dvb_net_release(&dvb->net);
265a6510 ST	517	fail_fe_conn:
	518	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
	519	fail_fe_mem:
	520	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	521	fail_fe_hw:
	522	dvb_dmxdev_release(&dvb->dmxdev);
	523	fail_dmxdev:
	524	dvb_dmx_release(&dvb->demux);
	525	fail_dmx:
	526	dvb_unregister_frontend(dvb->frontend);
	527	fail_frontend:
	528	dvb_frontend_detach(dvb->frontend);
	529	dvb_unregister_adapter(&dvb->adapter);
	530	fail_adapter:
f251b3e7 TM	531
	532	if (preallocate_big_buffers) {
	533	int i;
	534	for (i = 0; i < URB_COUNT; i++)
	535	kfree(dev->dig_transfer_buffer[i]);
	536	}
	537
265a6510 ST	538	return result;
	539	}
	540
	541	void au0828_dvb_unregister(struct au0828_dev *dev)
	542	{
	543	struct au0828_dvb *dvb = &dev->dvb;
	544
f07e8e4b	545	dprintk(1, "%s()\n", __func__);
bc3c613c	546
a9c36aad	547	if (dvb->frontend == NULL)
9c26de55 ST	548	return;
9c26de55 ST	549
d9e091fe CX	550	cancel_work_sync(&dev->restart_streaming);
d9e091fe CX	551
265a6510 ST	552	dvb_net_release(&dvb->net);
	553	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
	554	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	555	dvb_dmxdev_release(&dvb->dmxdev);
	556	dvb_dmx_release(&dvb->demux);
	557	dvb_unregister_frontend(dvb->frontend);
	558	dvb_frontend_detach(dvb->frontend);
	559	dvb_unregister_adapter(&dvb->adapter);
f251b3e7 TM	560
	561	if (preallocate_big_buffers) {
	562	int i;
	563	for (i = 0; i < URB_COUNT; i++)
	564	kfree(dev->dig_transfer_buffer[i]);
	565	}
bbc62a18	566	dvb->frontend = NULL;
265a6510 ST	567	}
	568
	569	/* All the DVB attach calls go here, this function get's modified
	570	* for each new card. No other function in this file needs
	571	* to change.
	572	*/
	573	int au0828_dvb_register(struct au0828_dev *dev)
	574	{
	575	struct au0828_dvb *dvb = &dev->dvb;
	576	int ret;
	577
f07e8e4b	578	dprintk(1, "%s()\n", __func__);
bc3c613c	579
265a6510	580	/* init frontend */
f1add5b5	581	switch (dev->boardnr) {
265a6510 ST	582	case AU0828_BOARD_HAUPPAUGE_HVR850:
265a6510 ST	583	case AU0828_BOARD_HAUPPAUGE_HVR950Q:
265a6510 ST	584	dvb->frontend = dvb_attach(au8522_attach,
	585	&hauppauge_hvr950q_config,
	586	&dev->i2c_adap);
48723543	587	if (dvb->frontend != NULL)
be183dc3 MK	588	switch (dev->board.tuner_type) {
	589	default:
	590	case TUNER_XC5000:
	591	dvb_attach(xc5000_attach, dvb->frontend,
	592	&dev->i2c_adap,
	593	&hauppauge_xc5000a_config);
	594	break;
	595	case TUNER_XC5000C:
	596	dvb_attach(xc5000_attach, dvb->frontend,
	597	&dev->i2c_adap,
	598	&hauppauge_xc5000c_config);
	599	break;
	600	}
265a6510	601	break;
59d27521 MK	602	case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
	603	dvb->frontend = dvb_attach(au8522_attach,
	604	&hauppauge_hvr950q_config,
	605	&dev->i2c_adap);
	606	if (dvb->frontend != NULL)
	607	dvb_attach(mxl5007t_attach, dvb->frontend,
	608	&dev->i2c_adap, 0x60,
	609	&mxl5007t_hvr950q_config);
	610	break;
8e8bd229 MK	611	case AU0828_BOARD_HAUPPAUGE_WOODBURY:
	612	dvb->frontend = dvb_attach(au8522_attach,
	613	&hauppauge_woodbury_config,
	614	&dev->i2c_adap);
	615	if (dvb->frontend != NULL)
	616	dvb_attach(tda18271_attach, dvb->frontend,
	617	0x60, &dev->i2c_adap,
	618	&hauppauge_woodbury_tunerconfig);
	619	break;
adeeac3b MK	620	case AU0828_BOARD_DVICO_FUSIONHDTV7:
	621	dvb->frontend = dvb_attach(au8522_attach,
	622	&fusionhdtv7usb_config,
	623	&dev->i2c_adap);
	624	if (dvb->frontend != NULL) {
	625	dvb_attach(xc5000_attach, dvb->frontend,
	626	&dev->i2c_adap,
be183dc3	627	&hauppauge_xc5000a_config);
adeeac3b MK	628	}
adeeac3b MK	629	break;
265a6510	630	default:
83afb32a	631	pr_warn("The frontend of your DVB/ATSC card isn't supported yet\n");
265a6510 ST	632	break;
	633	}
	634	if (NULL == dvb->frontend) {
83afb32a	635	pr_err("%s() Frontend initialization failed\n",
f07e8e4b	636	__func__);
265a6510 ST	637	return -1;
265a6510 ST	638	}
d7cba043 MK	639	/* define general-purpose callback pointer */
d7cba043 MK	640	dvb->frontend->callback = au0828_tuner_callback;
265a6510	641
265a6510 ST	642	/* register everything */
	643	ret = dvb_register(dev);
	644	if (ret < 0) {
	645	if (dvb->frontend->ops.release)
	646	dvb->frontend->ops.release(dvb->frontend);
bbc62a18	647	dvb->frontend = NULL;
265a6510 ST	648	return ret;
	649	}
	650
e99e88a9	651	timer_setup(&dev->bulk_timeout, au0828_bulk_timeout, 0);
53460c53	652
265a6510 ST	653	return 0;
265a6510 ST	654	}
b799de75 MCC	655
	656	void au0828_dvb_suspend(struct au0828_dev *dev)
	657	{
	658	struct au0828_dvb *dvb = &dev->dvb;
66cae530	659	int rc;
b799de75	660
66cae530 SK	661	if (dvb->frontend) {
	662	if (dev->urb_streaming) {
	663	cancel_work_sync(&dev->restart_streaming);
	664	/* Stop transport */
	665	mutex_lock(&dvb->lock);
	666	stop_urb_transfer(dev);
	667	au0828_stop_transport(dev, 1);
	668	mutex_unlock(&dvb->lock);
f6b83c3e	669	dev->need_urb_start = true;
66cae530 SK	670	}
	671	/* suspend frontend - does tuner and fe to sleep */
	672	rc = dvb_frontend_suspend(dvb->frontend);
	673	pr_info("au0828_dvb_suspend(): Suspending DVB fe %d\n", rc);
b799de75 MCC	674	}
	675	}
	676
	677	void au0828_dvb_resume(struct au0828_dev *dev)
	678	{
	679	struct au0828_dvb *dvb = &dev->dvb;
66cae530	680	int rc;
b799de75	681
66cae530 SK	682	if (dvb->frontend) {
	683	/* resume frontend - does fe and tuner init */
	684	rc = dvb_frontend_resume(dvb->frontend);
	685	pr_info("au0828_dvb_resume(): Resuming DVB fe %d\n", rc);
	686	if (dev->need_urb_start) {
	687	/* Start transport */
	688	mutex_lock(&dvb->lock);
	689	au0828_start_transport(dev);
	690	start_urb_transfer(dev);
	691	mutex_unlock(&dvb->lock);
	692	}
b799de75 MCC	693	}
b799de75 MCC	694	}