[deliverable/linux.git] / drivers / media / video / au0828 / au0828-dvb.c

/*
 *  Driver for the Auvitek USB bridge
 *
 *  Copyright (c) 2008 Steven Toth <stoth@hauppauge.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, 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/module.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/suspend.h>
#include <media/v4l2-common.h>

#include "au0828.h"
#include "au8522.h"
#include "xc5000.h"
#include "mxl5007t.h"

DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

#define _AU0828_BULKPIPE 0x83
#define _BULKPIPESIZE 0xe522

static struct au8522_config hauppauge_hvr950q_config = {
	.demod_address = 0x8e >> 1,
	.status_mode   = AU8522_DEMODLOCKING,
};

static struct xc5000_config hauppauge_hvr950q_tunerconfig = {
	.i2c_address      = 0x61,
	.if_khz           = 6000,
	.tuner_callback   = au0828_tuner_callback
};

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

/*-------------------------------------------------------------------*/
static void urb_completion(struct urb *purb)
{
	u8 *ptr;
	struct au0828_dev *dev = purb->context;
	int ptype = usb_pipetype(purb->pipe);

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

	if (!dev)
		return;

	if (dev->urb_streaming == 0)
		return;

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

	ptr = (u8 *)purb->transfer_buffer;

	/* 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__);

	for (i = 0; i < URB_COUNT; i++) {
		usb_kill_urb(dev->urbs[i]);
		kfree(dev->urbs[i]->transfer_buffer);
		usb_free_urb(dev->urbs[i]);
	}

	dev->urb_streaming = 0;

	return 0;
}

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

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

	if (dev->urb_streaming) {
		dprintk(2, "%s: iso 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])
			goto err;

		purb = dev->urbs[i];

		purb->transfer_buffer = kzalloc(URB_BUFSIZE, GFP_KERNEL);
		if (!purb->transfer_buffer) {
			usb_free_urb(purb);
			dev->urbs[i] = NULL;
			goto err;
		}

		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);
			printk(KERN_ERR "%s: failed urb submission, "
			       "err = %d\n", __func__, ret);
			return ret;
		}
	}

	dev->urb_streaming = 1;
	ret = 0;

err:
	return ret;
}

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) {
		mutex_lock(&dvb->lock);
		if (dvb->feeding++ == 0) {
			/* Start transport */
			au0828_write(dev, 0x608, 0x90);
			au0828_write(dev, 0x609, 0x72);
			au0828_write(dev, 0x60a, 0x71);
			au0828_write(dev, 0x60b, 0x01);
			ret = start_urb_transfer(dev);
		}
		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) {
		mutex_lock(&dvb->lock);
		if (--dvb->feeding == 0) {
			/* Stop transport */
			au0828_write(dev, 0x608, 0x00);
			au0828_write(dev, 0x609, 0x00);
			au0828_write(dev, 0x60a, 0x00);
			au0828_write(dev, 0x60b, 0x00);
			ret = stop_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__);

	/* register adapter */
	result = dvb_register_adapter(&dvb->adapter, DRIVER_NAME, THIS_MODULE,
				      &dev->usbdev->dev, adapter_nr);
	if (result < 0) {
		printk(KERN_ERR "%s: dvb_register_adapter failed "
		       "(errno = %d)\n", DRIVER_NAME, result);
		goto fail_adapter;
	}
	dvb->adapter.priv = dev;

	/* register frontend */
	result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
	if (result < 0) {
		printk(KERN_ERR "%s: dvb_register_frontend failed "
		       "(errno = %d)\n", DRIVER_NAME, result);
		goto fail_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) {
		printk(KERN_ERR "%s: dvb_dmx_init failed (errno = %d)\n",
		       DRIVER_NAME, 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) {
		printk(KERN_ERR "%s: dvb_dmxdev_init failed (errno = %d)\n",
		       DRIVER_NAME, 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) {
		printk(KERN_ERR "%s: add_frontend failed "
		       "(DMX_FRONTEND_0, errno = %d)\n", DRIVER_NAME, 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) {
		printk(KERN_ERR "%s: add_frontend failed "
		       "(DMX_MEMORY_FE, errno = %d)\n", DRIVER_NAME, result);
		goto fail_fe_mem;
	}

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

	/* register network adapter */
	dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
	return 0;

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:
	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;

	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);
}

/* 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->board) {
	case AU0828_BOARD_HAUPPAUGE_HVR850:
	case AU0828_BOARD_HAUPPAUGE_HVR950Q:
	case AU0828_BOARD_DVICO_FUSIONHDTV7:
		dvb->frontend = dvb_attach(au8522_attach,
				&hauppauge_hvr950q_config,
				&dev->i2c_adap);
		if (dvb->frontend != NULL)
			dvb_attach(xc5000_attach, dvb->frontend,
				&dev->i2c_adap,
				&hauppauge_hvr950q_tunerconfig, dev);
		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;
	default:
		printk(KERN_WARNING "The frontend of your DVB/ATSC card "
		       "isn't supported yet\n");
		break;
	}
	if (NULL == dvb->frontend) {
		printk(KERN_ERR "%s() Frontend initialization failed\n",
		       __func__);
		return -1;
	}

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

	return 0;
}
Commit	Line	Data
265a6510 ST	1	/*
	2	* Driver for the Auvitek USB bridge
	3	*
	4	* Copyright (c) 2008 Steven Toth <stoth@hauppauge.com>
	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.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	20	*/
	21
	22	#include <linux/module.h>
	23	#include <linux/init.h>
	24	#include <linux/device.h>
	25	#include <linux/suspend.h>
	26	#include <media/v4l2-common.h>
	27
	28	#include "au0828.h"
265a6510 ST	29	#include "au8522.h"
265a6510 ST	30	#include "xc5000.h"
59d27521	31	#include "mxl5007t.h"
265a6510 ST	32
	33	DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
	34
a9c36aad ST	35	#define _AU0828_BULKPIPE 0x83
	36	#define _BULKPIPESIZE 0xe522
	37
265a6510 ST	38	static struct au8522_config hauppauge_hvr950q_config = {
	39	.demod_address = 0x8e >> 1,
	40	.status_mode = AU8522_DEMODLOCKING,
	41	};
	42
	43	static struct xc5000_config hauppauge_hvr950q_tunerconfig = {
	44	.i2c_address = 0x61,
	45	.if_khz = 6000,
	46	.tuner_callback = au0828_tuner_callback
	47	};
	48
59d27521 MK	49	static struct mxl5007t_config mxl5007t_hvr950q_config = {
	50	.xtal_freq_hz = MxL_XTAL_24_MHZ,
	51	.if_freq_hz = MxL_IF_6_MHZ,
	52	};
	53
265a6510 ST	54	/-------------------------------------------------------------------/
	55	static void urb_completion(struct urb *purb)
	56	{
	57	u8 *ptr;
	58	struct au0828_dev *dev = purb->context;
	59	int ptype = usb_pipetype(purb->pipe);
	60
f07e8e4b	61	dprintk(2, "%s()\n", __func__);
bc3c613c	62
9c26de55 ST	63	if (!dev)
	64	return;
	65
265a6510 ST	66	if (dev->urb_streaming == 0)
	67	return;
	68
	69	if (ptype != PIPE_BULK) {
f07e8e4b MK	70	printk(KERN_ERR "%s() Unsupported URB type %d\n",
f07e8e4b MK	71	__func__, ptype);
265a6510 ST	72	return;
	73	}
	74
	75	ptr = (u8 *)purb->transfer_buffer;
	76
	77	/* Feed the transport payload into the kernel demux */
a9c36aad ST	78	dvb_dmx_swfilter_packets(&dev->dvb.demux,
a9c36aad ST	79	purb->transfer_buffer, purb->actual_length / 188);
265a6510 ST	80
	81	/* Clean the buffer before we requeue */
	82	memset(purb->transfer_buffer, 0, URB_BUFSIZE);
	83
	84	/* Requeue URB */
	85	usb_submit_urb(purb, GFP_ATOMIC);
	86	}
	87
	88	static int stop_urb_transfer(struct au0828_dev *dev)
	89	{
	90	int i;
	91
f07e8e4b	92	dprintk(2, "%s()\n", __func__);
265a6510	93
265a6510 ST	94	for (i = 0; i < URB_COUNT; i++) {
	95	usb_kill_urb(dev->urbs[i]);
	96	kfree(dev->urbs[i]->transfer_buffer);
	97	usb_free_urb(dev->urbs[i]);
	98	}
	99
	100	dev->urb_streaming = 0;
	101
	102	return 0;
	103	}
	104
265a6510 ST	105	static int start_urb_transfer(struct au0828_dev *dev)
	106	{
	107	struct urb *purb;
	108	int i, ret = -ENOMEM;
265a6510	109
f07e8e4b	110	dprintk(2, "%s()\n", __func__);
265a6510 ST	111
265a6510 ST	112	if (dev->urb_streaming) {
f07e8e4b	113	dprintk(2, "%s: iso xfer already running!\n", __func__);
265a6510 ST	114	return 0;
	115	}
	116
	117	for (i = 0; i < URB_COUNT; i++) {
	118
	119	dev->urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
18d73c58	120	if (!dev->urbs[i])
265a6510	121	goto err;
265a6510 ST	122
	123	purb = dev->urbs[i];
	124
	125	purb->transfer_buffer = kzalloc(URB_BUFSIZE, GFP_KERNEL);
	126	if (!purb->transfer_buffer) {
	127	usb_free_urb(purb);
a6a3a17b	128	dev->urbs[i] = NULL;
265a6510 ST	129	goto err;
	130	}
	131
	132	purb->status = -EINPROGRESS;
	133	usb_fill_bulk_urb(purb,
	134	dev->usbdev,
	135	usb_rcvbulkpipe(dev->usbdev, _AU0828_BULKPIPE),
	136	purb->transfer_buffer,
	137	URB_BUFSIZE,
	138	urb_completion,
	139	dev);
	140
	141	}
	142
	143	for (i = 0; i < URB_COUNT; i++) {
	144	ret = usb_submit_urb(dev->urbs[i], GFP_ATOMIC);
	145	if (ret != 0) {
	146	stop_urb_transfer(dev);
f07e8e4b MK	147	printk(KERN_ERR "%s: failed urb submission, "
f07e8e4b MK	148	"err = %d\n", __func__, ret);
265a6510 ST	149	return ret;
	150	}
	151	}
	152
	153	dev->urb_streaming = 1;
	154	ret = 0;
	155
	156	err:
	157	return ret;
	158	}
	159
	160	static int au0828_dvb_start_feed(struct dvb_demux_feed *feed)
	161	{
	162	struct dvb_demux *demux = feed->demux;
	163	struct au0828_dev dev = (struct au0828_dev ) demux->priv;
	164	struct au0828_dvb *dvb = &dev->dvb;
	165	int ret = 0;
	166
f07e8e4b	167	dprintk(1, "%s()\n", __func__);
265a6510 ST	168
	169	if (!demux->dmx.frontend)
	170	return -EINVAL;
	171
265a6510 ST	172	if (dvb) {
	173	mutex_lock(&dvb->lock);
	174	if (dvb->feeding++ == 0) {
bc3c613c	175	/* Start transport */
265a6510 ST	176	au0828_write(dev, 0x608, 0x90);
	177	au0828_write(dev, 0x609, 0x72);
	178	au0828_write(dev, 0x60a, 0x71);
	179	au0828_write(dev, 0x60b, 0x01);
	180	ret = start_urb_transfer(dev);
	181	}
	182	mutex_unlock(&dvb->lock);
	183	}
	184
	185	return ret;
	186	}
	187
	188	static int au0828_dvb_stop_feed(struct dvb_demux_feed *feed)
	189	{
	190	struct dvb_demux *demux = feed->demux;
	191	struct au0828_dev dev = (struct au0828_dev ) demux->priv;
	192	struct au0828_dvb *dvb = &dev->dvb;
	193	int ret = 0;
	194
f07e8e4b	195	dprintk(1, "%s()\n", __func__);
265a6510 ST	196
	197	if (dvb) {
	198	mutex_lock(&dvb->lock);
	199	if (--dvb->feeding == 0) {
bc3c613c	200	/* Stop transport */
265a6510 ST	201	au0828_write(dev, 0x608, 0x00);
	202	au0828_write(dev, 0x609, 0x00);
	203	au0828_write(dev, 0x60a, 0x00);
	204	au0828_write(dev, 0x60b, 0x00);
	205	ret = stop_urb_transfer(dev);
	206	}
	207	mutex_unlock(&dvb->lock);
	208	}
	209
	210	return ret;
	211	}
	212
b33d24c4	213	static int dvb_register(struct au0828_dev *dev)
265a6510 ST	214	{
	215	struct au0828_dvb *dvb = &dev->dvb;
	216	int result;
	217
f07e8e4b	218	dprintk(1, "%s()\n", __func__);
bc3c613c	219
265a6510 ST	220	/* register adapter */
	221	result = dvb_register_adapter(&dvb->adapter, DRIVER_NAME, THIS_MODULE,
	222	&dev->usbdev->dev, adapter_nr);
	223	if (result < 0) {
f07e8e4b MK	224	printk(KERN_ERR "%s: dvb_register_adapter failed "
f07e8e4b MK	225	"(errno = %d)\n", DRIVER_NAME, result);
265a6510 ST	226	goto fail_adapter;
	227	}
	228	dvb->adapter.priv = dev;
	229
	230	/* register frontend */
	231	result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
	232	if (result < 0) {
f07e8e4b MK	233	printk(KERN_ERR "%s: dvb_register_frontend failed "
f07e8e4b MK	234	"(errno = %d)\n", DRIVER_NAME, result);
265a6510 ST	235	goto fail_frontend;
	236	}
	237
	238	/* register demux stuff */
	239	dvb->demux.dmx.capabilities =
	240	DMX_TS_FILTERING \| DMX_SECTION_FILTERING \|
	241	DMX_MEMORY_BASED_FILTERING;
	242	dvb->demux.priv = dev;
	243	dvb->demux.filternum = 256;
	244	dvb->demux.feednum = 256;
	245	dvb->demux.start_feed = au0828_dvb_start_feed;
	246	dvb->demux.stop_feed = au0828_dvb_stop_feed;
	247	result = dvb_dmx_init(&dvb->demux);
	248	if (result < 0) {
bc3c613c	249	printk(KERN_ERR "%s: dvb_dmx_init failed (errno = %d)\n",
265a6510 ST	250	DRIVER_NAME, result);
	251	goto fail_dmx;
	252	}
	253
	254	dvb->dmxdev.filternum = 256;
	255	dvb->dmxdev.demux = &dvb->demux.dmx;
	256	dvb->dmxdev.capabilities = 0;
	257	result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
	258	if (result < 0) {
bc3c613c	259	printk(KERN_ERR "%s: dvb_dmxdev_init failed (errno = %d)\n",
265a6510 ST	260	DRIVER_NAME, result);
	261	goto fail_dmxdev;
	262	}
	263
	264	dvb->fe_hw.source = DMX_FRONTEND_0;
	265	result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	266	if (result < 0) {
f07e8e4b MK	267	printk(KERN_ERR "%s: add_frontend failed "
f07e8e4b MK	268	"(DMX_FRONTEND_0, errno = %d)\n", DRIVER_NAME, result);
265a6510 ST	269	goto fail_fe_hw;
	270	}
	271
	272	dvb->fe_mem.source = DMX_MEMORY_FE;
	273	result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
	274	if (result < 0) {
f07e8e4b MK	275	printk(KERN_ERR "%s: add_frontend failed "
f07e8e4b MK	276	"(DMX_MEMORY_FE, errno = %d)\n", DRIVER_NAME, result);
265a6510 ST	277	goto fail_fe_mem;
	278	}
	279
	280	result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	281	if (result < 0) {
bc3c613c	282	printk(KERN_ERR "%s: connect_frontend failed (errno = %d)\n",
265a6510 ST	283	DRIVER_NAME, result);
	284	goto fail_fe_conn;
	285	}
	286
	287	/* register network adapter */
	288	dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
	289	return 0;
	290
	291	fail_fe_conn:
	292	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
	293	fail_fe_mem:
	294	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	295	fail_fe_hw:
	296	dvb_dmxdev_release(&dvb->dmxdev);
	297	fail_dmxdev:
	298	dvb_dmx_release(&dvb->demux);
	299	fail_dmx:
	300	dvb_unregister_frontend(dvb->frontend);
	301	fail_frontend:
	302	dvb_frontend_detach(dvb->frontend);
	303	dvb_unregister_adapter(&dvb->adapter);
	304	fail_adapter:
	305	return result;
	306	}
	307
	308	void au0828_dvb_unregister(struct au0828_dev *dev)
	309	{
	310	struct au0828_dvb *dvb = &dev->dvb;
	311
f07e8e4b	312	dprintk(1, "%s()\n", __func__);
bc3c613c	313
a9c36aad	314	if (dvb->frontend == NULL)
9c26de55 ST	315	return;
9c26de55 ST	316
265a6510 ST	317	dvb_net_release(&dvb->net);
	318	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
	319	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	320	dvb_dmxdev_release(&dvb->dmxdev);
	321	dvb_dmx_release(&dvb->demux);
	322	dvb_unregister_frontend(dvb->frontend);
	323	dvb_frontend_detach(dvb->frontend);
	324	dvb_unregister_adapter(&dvb->adapter);
	325	}
	326
	327	/* All the DVB attach calls go here, this function get's modified
	328	* for each new card. No other function in this file needs
	329	* to change.
	330	*/
	331	int au0828_dvb_register(struct au0828_dev *dev)
	332	{
	333	struct au0828_dvb *dvb = &dev->dvb;
	334	int ret;
	335
f07e8e4b	336	dprintk(1, "%s()\n", __func__);
bc3c613c	337
265a6510 ST	338	/* init frontend */
	339	switch (dev->board) {
	340	case AU0828_BOARD_HAUPPAUGE_HVR850:
	341	case AU0828_BOARD_HAUPPAUGE_HVR950Q:
	342	case AU0828_BOARD_DVICO_FUSIONHDTV7:
	343	dvb->frontend = dvb_attach(au8522_attach,
	344	&hauppauge_hvr950q_config,
	345	&dev->i2c_adap);
48723543	346	if (dvb->frontend != NULL)
265a6510 ST	347	dvb_attach(xc5000_attach, dvb->frontend,
265a6510 ST	348	&dev->i2c_adap,
48723543	349	&hauppauge_hvr950q_tunerconfig, dev);
265a6510	350	break;
59d27521 MK	351	case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
	352	dvb->frontend = dvb_attach(au8522_attach,
	353	&hauppauge_hvr950q_config,
	354	&dev->i2c_adap);
	355	if (dvb->frontend != NULL)
	356	dvb_attach(mxl5007t_attach, dvb->frontend,
	357	&dev->i2c_adap, 0x60,
	358	&mxl5007t_hvr950q_config);
	359	break;
265a6510	360	default:
f07e8e4b MK	361	printk(KERN_WARNING "The frontend of your DVB/ATSC card "
f07e8e4b MK	362	"isn't supported yet\n");
265a6510 ST	363	break;
	364	}
	365	if (NULL == dvb->frontend) {
f07e8e4b MK	366	printk(KERN_ERR "%s() Frontend initialization failed\n",
f07e8e4b MK	367	__func__);
265a6510 ST	368	return -1;
	369	}
	370
265a6510 ST	371	/* register everything */
	372	ret = dvb_register(dev);
	373	if (ret < 0) {
	374	if (dvb->frontend->ops.release)
	375	dvb->frontend->ops.release(dvb->frontend);
	376	return ret;
	377	}
	378
	379	return 0;
	380	}