[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / video / 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.
 *
 *  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/slab.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"
#include "tda18271.h"

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_hvr950q_tunerconfig = {
	.i2c_address      = 0x61,
	.if_khz           = 6000,
};

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 urb_completion(struct urb *purb)
{
	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;
	}

	/* 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: 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])
			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->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)
			dvb_attach(xc5000_attach, dvb->frontend, &dev->i2c_adap,
				   &hauppauge_hvr950q_tunerconfig);
		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_hvr950q_tunerconfig);
		}
		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;
	}
	/* 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);
		return ret;
	}

	return 0;
}
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.
	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>
5a0e3ad6	23	#include <linux/slab.h>
265a6510 ST	24	#include <linux/init.h>
	25	#include <linux/device.h>
	26	#include <linux/suspend.h>
	27	#include <media/v4l2-common.h>
	28
	29	#include "au0828.h"
265a6510 ST	30	#include "au8522.h"
265a6510 ST	31	#include "xc5000.h"
59d27521	32	#include "mxl5007t.h"
8e8bd229	33	#include "tda18271.h"
265a6510 ST	34
	35	DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
	36
a9c36aad ST	37	#define _AU0828_BULKPIPE 0x83
	38	#define _BULKPIPESIZE 0xe522
	39
adeeac3b MK	40	static u8 hauppauge_hvr950q_led_states[] = {
	41	0x00, /* off */
	42	0x02, /* yellow */
	43	0x04, /* green */
	44	};
	45
	46	static struct au8522_led_config hauppauge_hvr950q_led_cfg = {
	47	.gpio_output = 0x00e0,
	48	.gpio_output_enable = 0x6006,
	49	.gpio_output_disable = 0x0660,
	50
	51	.gpio_leds = 0x00e2,
	52	.led_states = hauppauge_hvr950q_led_states,
	53	.num_led_states = sizeof(hauppauge_hvr950q_led_states),
	54
	55	.vsb8_strong = 20 /* dB / 10,
	56	.qam64_strong = 25 /* dB / 10,
	57	.qam256_strong = 32 /* dB / 10,
	58	};
	59
265a6510 ST	60	static struct au8522_config hauppauge_hvr950q_config = {
	61	.demod_address = 0x8e >> 1,
	62	.status_mode = AU8522_DEMODLOCKING,
e908b6e3 MK	63	.qam_if = AU8522_IF_6MHZ,
e908b6e3 MK	64	.vsb_if = AU8522_IF_6MHZ,
adeeac3b MK	65	.led_cfg = &hauppauge_hvr950q_led_cfg,
	66	};
	67
	68	static struct au8522_config fusionhdtv7usb_config = {
	69	.demod_address = 0x8e >> 1,
	70	.status_mode = AU8522_DEMODLOCKING,
	71	.qam_if = AU8522_IF_6MHZ,
	72	.vsb_if = AU8522_IF_6MHZ,
265a6510 ST	73	};
265a6510 ST	74
8e8bd229 MK	75	static struct au8522_config hauppauge_woodbury_config = {
	76	.demod_address = 0x8e >> 1,
	77	.status_mode = AU8522_DEMODLOCKING,
	78	.qam_if = AU8522_IF_4MHZ,
	79	.vsb_if = AU8522_IF_3_25MHZ,
	80	};
	81
265a6510 ST	82	static struct xc5000_config hauppauge_hvr950q_tunerconfig = {
	83	.i2c_address = 0x61,
	84	.if_khz = 6000,
265a6510 ST	85	};
265a6510 ST	86
59d27521 MK	87	static struct mxl5007t_config mxl5007t_hvr950q_config = {
	88	.xtal_freq_hz = MxL_XTAL_24_MHZ,
	89	.if_freq_hz = MxL_IF_6_MHZ,
	90	};
	91
8e8bd229 MK	92	static struct tda18271_config hauppauge_woodbury_tunerconfig = {
	93	.gate = TDA18271_GATE_DIGITAL,
	94	};
	95
265a6510 ST	96	/-------------------------------------------------------------------/
	97	static void urb_completion(struct urb *purb)
	98	{
265a6510 ST	99	struct au0828_dev *dev = purb->context;
	100	int ptype = usb_pipetype(purb->pipe);
	101
f07e8e4b	102	dprintk(2, "%s()\n", __func__);
bc3c613c	103
9c26de55 ST	104	if (!dev)
	105	return;
	106
265a6510 ST	107	if (dev->urb_streaming == 0)
	108	return;
	109
	110	if (ptype != PIPE_BULK) {
f07e8e4b MK	111	printk(KERN_ERR "%s() Unsupported URB type %d\n",
f07e8e4b MK	112	__func__, ptype);
265a6510 ST	113	return;
	114	}
	115
265a6510	116	/* Feed the transport payload into the kernel demux */
a9c36aad ST	117	dvb_dmx_swfilter_packets(&dev->dvb.demux,
a9c36aad ST	118	purb->transfer_buffer, purb->actual_length / 188);
265a6510 ST	119
	120	/* Clean the buffer before we requeue */
	121	memset(purb->transfer_buffer, 0, URB_BUFSIZE);
	122
	123	/* Requeue URB */
	124	usb_submit_urb(purb, GFP_ATOMIC);
	125	}
	126
	127	static int stop_urb_transfer(struct au0828_dev *dev)
	128	{
	129	int i;
	130
f07e8e4b	131	dprintk(2, "%s()\n", __func__);
265a6510	132
265a6510 ST	133	for (i = 0; i < URB_COUNT; i++) {
	134	usb_kill_urb(dev->urbs[i]);
	135	kfree(dev->urbs[i]->transfer_buffer);
	136	usb_free_urb(dev->urbs[i]);
	137	}
	138
	139	dev->urb_streaming = 0;
	140
	141	return 0;
	142	}
	143
265a6510 ST	144	static int start_urb_transfer(struct au0828_dev *dev)
	145	{
	146	struct urb *purb;
	147	int i, ret = -ENOMEM;
265a6510	148
f07e8e4b	149	dprintk(2, "%s()\n", __func__);
265a6510 ST	150
265a6510 ST	151	if (dev->urb_streaming) {
53761761	152	dprintk(2, "%s: bulk xfer already running!\n", __func__);
265a6510 ST	153	return 0;
	154	}
	155
	156	for (i = 0; i < URB_COUNT; i++) {
	157
	158	dev->urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
18d73c58	159	if (!dev->urbs[i])
265a6510	160	goto err;
265a6510 ST	161
	162	purb = dev->urbs[i];
	163
	164	purb->transfer_buffer = kzalloc(URB_BUFSIZE, GFP_KERNEL);
	165	if (!purb->transfer_buffer) {
	166	usb_free_urb(purb);
a6a3a17b	167	dev->urbs[i] = NULL;
265a6510 ST	168	goto err;
	169	}
	170
	171	purb->status = -EINPROGRESS;
	172	usb_fill_bulk_urb(purb,
	173	dev->usbdev,
a8eb912c ST	174	usb_rcvbulkpipe(dev->usbdev,
a8eb912c ST	175	_AU0828_BULKPIPE),
265a6510 ST	176	purb->transfer_buffer,
	177	URB_BUFSIZE,
	178	urb_completion,
	179	dev);
	180
	181	}
	182
	183	for (i = 0; i < URB_COUNT; i++) {
	184	ret = usb_submit_urb(dev->urbs[i], GFP_ATOMIC);
	185	if (ret != 0) {
	186	stop_urb_transfer(dev);
f07e8e4b MK	187	printk(KERN_ERR "%s: failed urb submission, "
f07e8e4b MK	188	"err = %d\n", __func__, ret);
265a6510 ST	189	return ret;
	190	}
	191	}
	192
	193	dev->urb_streaming = 1;
	194	ret = 0;
	195
	196	err:
	197	return ret;
	198	}
	199
	200	static int au0828_dvb_start_feed(struct dvb_demux_feed *feed)
	201	{
	202	struct dvb_demux *demux = feed->demux;
	203	struct au0828_dev dev = (struct au0828_dev ) demux->priv;
	204	struct au0828_dvb *dvb = &dev->dvb;
	205	int ret = 0;
	206
f07e8e4b	207	dprintk(1, "%s()\n", __func__);
265a6510 ST	208
	209	if (!demux->dmx.frontend)
	210	return -EINVAL;
	211
265a6510 ST	212	if (dvb) {
	213	mutex_lock(&dvb->lock);
	214	if (dvb->feeding++ == 0) {
bc3c613c	215	/* Start transport */
265a6510 ST	216	au0828_write(dev, 0x608, 0x90);
	217	au0828_write(dev, 0x609, 0x72);
	218	au0828_write(dev, 0x60a, 0x71);
	219	au0828_write(dev, 0x60b, 0x01);
	220	ret = start_urb_transfer(dev);
	221	}
	222	mutex_unlock(&dvb->lock);
	223	}
	224
	225	return ret;
	226	}
	227
	228	static int au0828_dvb_stop_feed(struct dvb_demux_feed *feed)
	229	{
	230	struct dvb_demux *demux = feed->demux;
	231	struct au0828_dev dev = (struct au0828_dev ) demux->priv;
	232	struct au0828_dvb *dvb = &dev->dvb;
	233	int ret = 0;
	234
f07e8e4b	235	dprintk(1, "%s()\n", __func__);
265a6510 ST	236
	237	if (dvb) {
	238	mutex_lock(&dvb->lock);
	239	if (--dvb->feeding == 0) {
bc3c613c	240	/* Stop transport */
265a6510 ST	241	au0828_write(dev, 0x608, 0x00);
	242	au0828_write(dev, 0x609, 0x00);
	243	au0828_write(dev, 0x60a, 0x00);
	244	au0828_write(dev, 0x60b, 0x00);
	245	ret = stop_urb_transfer(dev);
	246	}
	247	mutex_unlock(&dvb->lock);
	248	}
	249
	250	return ret;
	251	}
	252
b33d24c4	253	static int dvb_register(struct au0828_dev *dev)
265a6510 ST	254	{
	255	struct au0828_dvb *dvb = &dev->dvb;
	256	int result;
	257
f07e8e4b	258	dprintk(1, "%s()\n", __func__);
bc3c613c	259
265a6510 ST	260	/* register adapter */
	261	result = dvb_register_adapter(&dvb->adapter, DRIVER_NAME, THIS_MODULE,
	262	&dev->usbdev->dev, adapter_nr);
	263	if (result < 0) {
f07e8e4b MK	264	printk(KERN_ERR "%s: dvb_register_adapter failed "
f07e8e4b MK	265	"(errno = %d)\n", DRIVER_NAME, result);
265a6510 ST	266	goto fail_adapter;
	267	}
	268	dvb->adapter.priv = dev;
	269
	270	/* register frontend */
	271	result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
	272	if (result < 0) {
f07e8e4b MK	273	printk(KERN_ERR "%s: dvb_register_frontend failed "
f07e8e4b MK	274	"(errno = %d)\n", DRIVER_NAME, result);
265a6510 ST	275	goto fail_frontend;
	276	}
	277
	278	/* register demux stuff */
	279	dvb->demux.dmx.capabilities =
	280	DMX_TS_FILTERING \| DMX_SECTION_FILTERING \|
	281	DMX_MEMORY_BASED_FILTERING;
	282	dvb->demux.priv = dev;
	283	dvb->demux.filternum = 256;
	284	dvb->demux.feednum = 256;
	285	dvb->demux.start_feed = au0828_dvb_start_feed;
	286	dvb->demux.stop_feed = au0828_dvb_stop_feed;
	287	result = dvb_dmx_init(&dvb->demux);
	288	if (result < 0) {
bc3c613c	289	printk(KERN_ERR "%s: dvb_dmx_init failed (errno = %d)\n",
265a6510 ST	290	DRIVER_NAME, result);
	291	goto fail_dmx;
	292	}
	293
	294	dvb->dmxdev.filternum = 256;
	295	dvb->dmxdev.demux = &dvb->demux.dmx;
	296	dvb->dmxdev.capabilities = 0;
	297	result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
	298	if (result < 0) {
bc3c613c	299	printk(KERN_ERR "%s: dvb_dmxdev_init failed (errno = %d)\n",
265a6510 ST	300	DRIVER_NAME, result);
	301	goto fail_dmxdev;
	302	}
	303
	304	dvb->fe_hw.source = DMX_FRONTEND_0;
	305	result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	306	if (result < 0) {
f07e8e4b MK	307	printk(KERN_ERR "%s: add_frontend failed "
f07e8e4b MK	308	"(DMX_FRONTEND_0, errno = %d)\n", DRIVER_NAME, result);
265a6510 ST	309	goto fail_fe_hw;
	310	}
	311
	312	dvb->fe_mem.source = DMX_MEMORY_FE;
	313	result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
	314	if (result < 0) {
f07e8e4b MK	315	printk(KERN_ERR "%s: add_frontend failed "
f07e8e4b MK	316	"(DMX_MEMORY_FE, errno = %d)\n", DRIVER_NAME, result);
265a6510 ST	317	goto fail_fe_mem;
	318	}
	319
	320	result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	321	if (result < 0) {
bc3c613c	322	printk(KERN_ERR "%s: connect_frontend failed (errno = %d)\n",
265a6510 ST	323	DRIVER_NAME, result);
	324	goto fail_fe_conn;
	325	}
	326
	327	/* register network adapter */
	328	dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
	329	return 0;
	330
	331	fail_fe_conn:
	332	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
	333	fail_fe_mem:
	334	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	335	fail_fe_hw:
	336	dvb_dmxdev_release(&dvb->dmxdev);
	337	fail_dmxdev:
	338	dvb_dmx_release(&dvb->demux);
	339	fail_dmx:
	340	dvb_unregister_frontend(dvb->frontend);
	341	fail_frontend:
	342	dvb_frontend_detach(dvb->frontend);
	343	dvb_unregister_adapter(&dvb->adapter);
	344	fail_adapter:
	345	return result;
	346	}
	347
	348	void au0828_dvb_unregister(struct au0828_dev *dev)
	349	{
	350	struct au0828_dvb *dvb = &dev->dvb;
	351
f07e8e4b	352	dprintk(1, "%s()\n", __func__);
bc3c613c	353
a9c36aad	354	if (dvb->frontend == NULL)
9c26de55 ST	355	return;
9c26de55 ST	356
265a6510 ST	357	dvb_net_release(&dvb->net);
	358	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
	359	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	360	dvb_dmxdev_release(&dvb->dmxdev);
	361	dvb_dmx_release(&dvb->demux);
	362	dvb_unregister_frontend(dvb->frontend);
	363	dvb_frontend_detach(dvb->frontend);
	364	dvb_unregister_adapter(&dvb->adapter);
	365	}
	366
	367	/* All the DVB attach calls go here, this function get's modified
	368	* for each new card. No other function in this file needs
	369	* to change.
	370	*/
	371	int au0828_dvb_register(struct au0828_dev *dev)
	372	{
	373	struct au0828_dvb *dvb = &dev->dvb;
	374	int ret;
	375
f07e8e4b	376	dprintk(1, "%s()\n", __func__);
bc3c613c	377
265a6510	378	/* init frontend */
f1add5b5	379	switch (dev->boardnr) {
265a6510 ST	380	case AU0828_BOARD_HAUPPAUGE_HVR850:
265a6510 ST	381	case AU0828_BOARD_HAUPPAUGE_HVR950Q:
265a6510 ST	382	dvb->frontend = dvb_attach(au8522_attach,
	383	&hauppauge_hvr950q_config,
	384	&dev->i2c_adap);
48723543	385	if (dvb->frontend != NULL)
30650961 MK	386	dvb_attach(xc5000_attach, dvb->frontend, &dev->i2c_adap,
30650961 MK	387	&hauppauge_hvr950q_tunerconfig);
265a6510	388	break;
59d27521 MK	389	case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
	390	dvb->frontend = dvb_attach(au8522_attach,
	391	&hauppauge_hvr950q_config,
	392	&dev->i2c_adap);
	393	if (dvb->frontend != NULL)
	394	dvb_attach(mxl5007t_attach, dvb->frontend,
	395	&dev->i2c_adap, 0x60,
	396	&mxl5007t_hvr950q_config);
	397	break;
8e8bd229 MK	398	case AU0828_BOARD_HAUPPAUGE_WOODBURY:
	399	dvb->frontend = dvb_attach(au8522_attach,
	400	&hauppauge_woodbury_config,
	401	&dev->i2c_adap);
	402	if (dvb->frontend != NULL)
	403	dvb_attach(tda18271_attach, dvb->frontend,
	404	0x60, &dev->i2c_adap,
	405	&hauppauge_woodbury_tunerconfig);
	406	break;
adeeac3b MK	407	case AU0828_BOARD_DVICO_FUSIONHDTV7:
	408	dvb->frontend = dvb_attach(au8522_attach,
	409	&fusionhdtv7usb_config,
	410	&dev->i2c_adap);
	411	if (dvb->frontend != NULL) {
	412	dvb_attach(xc5000_attach, dvb->frontend,
	413	&dev->i2c_adap,
	414	&hauppauge_hvr950q_tunerconfig);
	415	}
	416	break;
265a6510	417	default:
f07e8e4b MK	418	printk(KERN_WARNING "The frontend of your DVB/ATSC card "
f07e8e4b MK	419	"isn't supported yet\n");
265a6510 ST	420	break;
	421	}
	422	if (NULL == dvb->frontend) {
f07e8e4b MK	423	printk(KERN_ERR "%s() Frontend initialization failed\n",
f07e8e4b MK	424	__func__);
265a6510 ST	425	return -1;
265a6510 ST	426	}
d7cba043 MK	427	/* define general-purpose callback pointer */
d7cba043 MK	428	dvb->frontend->callback = au0828_tuner_callback;
265a6510	429
265a6510 ST	430	/* register everything */
	431	ret = dvb_register(dev);
	432	if (ret < 0) {
	433	if (dvb->frontend->ops.release)
	434	dvb->frontend->ops.release(dvb->frontend);
	435	return ret;
	436	}
	437
	438	return 0;
	439	}