[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/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)
{
	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:
		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>
	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"
8e8bd229	32	#include "tda18271.h"
265a6510 ST	33
	34	DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
	35
a9c36aad ST	36	#define _AU0828_BULKPIPE 0x83
	37	#define _BULKPIPESIZE 0xe522
	38
adeeac3b MK	39	static u8 hauppauge_hvr950q_led_states[] = {
	40	0x00, /* off */
	41	0x02, /* yellow */
	42	0x04, /* green */
	43	};
	44
	45	static struct au8522_led_config hauppauge_hvr950q_led_cfg = {
	46	.gpio_output = 0x00e0,
	47	.gpio_output_enable = 0x6006,
	48	.gpio_output_disable = 0x0660,
	49
	50	.gpio_leds = 0x00e2,
	51	.led_states = hauppauge_hvr950q_led_states,
	52	.num_led_states = sizeof(hauppauge_hvr950q_led_states),
	53
	54	.vsb8_strong = 20 /* dB / 10,
	55	.qam64_strong = 25 /* dB / 10,
	56	.qam256_strong = 32 /* dB / 10,
	57	};
	58
265a6510 ST	59	static struct au8522_config hauppauge_hvr950q_config = {
	60	.demod_address = 0x8e >> 1,
	61	.status_mode = AU8522_DEMODLOCKING,
e908b6e3 MK	62	.qam_if = AU8522_IF_6MHZ,
e908b6e3 MK	63	.vsb_if = AU8522_IF_6MHZ,
adeeac3b MK	64	.led_cfg = &hauppauge_hvr950q_led_cfg,
	65	};
	66
	67	static struct au8522_config fusionhdtv7usb_config = {
	68	.demod_address = 0x8e >> 1,
	69	.status_mode = AU8522_DEMODLOCKING,
	70	.qam_if = AU8522_IF_6MHZ,
	71	.vsb_if = AU8522_IF_6MHZ,
265a6510 ST	72	};
265a6510 ST	73
8e8bd229 MK	74	static struct au8522_config hauppauge_woodbury_config = {
	75	.demod_address = 0x8e >> 1,
	76	.status_mode = AU8522_DEMODLOCKING,
	77	.qam_if = AU8522_IF_4MHZ,
	78	.vsb_if = AU8522_IF_3_25MHZ,
	79	};
	80
265a6510 ST	81	static struct xc5000_config hauppauge_hvr950q_tunerconfig = {
	82	.i2c_address = 0x61,
	83	.if_khz = 6000,
265a6510 ST	84	};
265a6510 ST	85
59d27521 MK	86	static struct mxl5007t_config mxl5007t_hvr950q_config = {
	87	.xtal_freq_hz = MxL_XTAL_24_MHZ,
	88	.if_freq_hz = MxL_IF_6_MHZ,
	89	};
	90
8e8bd229 MK	91	static struct tda18271_config hauppauge_woodbury_tunerconfig = {
	92	.gate = TDA18271_GATE_DIGITAL,
	93	};
	94
265a6510 ST	95	/-------------------------------------------------------------------/
	96	static void urb_completion(struct urb *purb)
	97	{
	98	u8 *ptr;
	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
	116	ptr = (u8 *)purb->transfer_buffer;
	117
	118	/* Feed the transport payload into the kernel demux */
a9c36aad ST	119	dvb_dmx_swfilter_packets(&dev->dvb.demux,
a9c36aad ST	120	purb->transfer_buffer, purb->actual_length / 188);
265a6510 ST	121
	122	/* Clean the buffer before we requeue */
	123	memset(purb->transfer_buffer, 0, URB_BUFSIZE);
	124
	125	/* Requeue URB */
	126	usb_submit_urb(purb, GFP_ATOMIC);
	127	}
	128
	129	static int stop_urb_transfer(struct au0828_dev *dev)
	130	{
	131	int i;
	132
f07e8e4b	133	dprintk(2, "%s()\n", __func__);
265a6510	134
265a6510 ST	135	for (i = 0; i < URB_COUNT; i++) {
	136	usb_kill_urb(dev->urbs[i]);
	137	kfree(dev->urbs[i]->transfer_buffer);
	138	usb_free_urb(dev->urbs[i]);
	139	}
	140
	141	dev->urb_streaming = 0;
	142
	143	return 0;
	144	}
	145
265a6510 ST	146	static int start_urb_transfer(struct au0828_dev *dev)
	147	{
	148	struct urb *purb;
	149	int i, ret = -ENOMEM;
265a6510	150
f07e8e4b	151	dprintk(2, "%s()\n", __func__);
265a6510 ST	152
265a6510 ST	153	if (dev->urb_streaming) {
f07e8e4b	154	dprintk(2, "%s: iso xfer already running!\n", __func__);
265a6510 ST	155	return 0;
	156	}
	157
	158	for (i = 0; i < URB_COUNT; i++) {
	159
	160	dev->urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
18d73c58	161	if (!dev->urbs[i])
265a6510	162	goto err;
265a6510 ST	163
	164	purb = dev->urbs[i];
	165
	166	purb->transfer_buffer = kzalloc(URB_BUFSIZE, GFP_KERNEL);
	167	if (!purb->transfer_buffer) {
	168	usb_free_urb(purb);
a6a3a17b	169	dev->urbs[i] = NULL;
265a6510 ST	170	goto err;
	171	}
	172
	173	purb->status = -EINPROGRESS;
	174	usb_fill_bulk_urb(purb,
	175	dev->usbdev,
	176	usb_rcvbulkpipe(dev->usbdev, _AU0828_BULKPIPE),
	177	purb->transfer_buffer,
	178	URB_BUFSIZE,
	179	urb_completion,
	180	dev);
	181
	182	}
	183
	184	for (i = 0; i < URB_COUNT; i++) {
	185	ret = usb_submit_urb(dev->urbs[i], GFP_ATOMIC);
	186	if (ret != 0) {
	187	stop_urb_transfer(dev);
f07e8e4b MK	188	printk(KERN_ERR "%s: failed urb submission, "
f07e8e4b MK	189	"err = %d\n", __func__, ret);
265a6510 ST	190	return ret;
	191	}
	192	}
	193
	194	dev->urb_streaming = 1;
	195	ret = 0;
	196
	197	err:
	198	return ret;
	199	}
	200
	201	static int au0828_dvb_start_feed(struct dvb_demux_feed *feed)
	202	{
	203	struct dvb_demux *demux = feed->demux;
	204	struct au0828_dev dev = (struct au0828_dev ) demux->priv;
	205	struct au0828_dvb *dvb = &dev->dvb;
	206	int ret = 0;
	207
f07e8e4b	208	dprintk(1, "%s()\n", __func__);
265a6510 ST	209
	210	if (!demux->dmx.frontend)
	211	return -EINVAL;
	212
265a6510 ST	213	if (dvb) {
	214	mutex_lock(&dvb->lock);
	215	if (dvb->feeding++ == 0) {
bc3c613c	216	/* Start transport */
265a6510 ST	217	au0828_write(dev, 0x608, 0x90);
	218	au0828_write(dev, 0x609, 0x72);
	219	au0828_write(dev, 0x60a, 0x71);
	220	au0828_write(dev, 0x60b, 0x01);
	221	ret = start_urb_transfer(dev);
	222	}
	223	mutex_unlock(&dvb->lock);
	224	}
	225
	226	return ret;
	227	}
	228
	229	static int au0828_dvb_stop_feed(struct dvb_demux_feed *feed)
	230	{
	231	struct dvb_demux *demux = feed->demux;
	232	struct au0828_dev dev = (struct au0828_dev ) demux->priv;
	233	struct au0828_dvb *dvb = &dev->dvb;
	234	int ret = 0;
	235
f07e8e4b	236	dprintk(1, "%s()\n", __func__);
265a6510 ST	237
	238	if (dvb) {
	239	mutex_lock(&dvb->lock);
	240	if (--dvb->feeding == 0) {
bc3c613c	241	/* Stop transport */
265a6510 ST	242	au0828_write(dev, 0x608, 0x00);
	243	au0828_write(dev, 0x609, 0x00);
	244	au0828_write(dev, 0x60a, 0x00);
	245	au0828_write(dev, 0x60b, 0x00);
	246	ret = stop_urb_transfer(dev);
	247	}
	248	mutex_unlock(&dvb->lock);
	249	}
	250
	251	return ret;
	252	}
	253
b33d24c4	254	static int dvb_register(struct au0828_dev *dev)
265a6510 ST	255	{
	256	struct au0828_dvb *dvb = &dev->dvb;
	257	int result;
	258
f07e8e4b	259	dprintk(1, "%s()\n", __func__);
bc3c613c	260
265a6510 ST	261	/* register adapter */
	262	result = dvb_register_adapter(&dvb->adapter, DRIVER_NAME, THIS_MODULE,
	263	&dev->usbdev->dev, adapter_nr);
	264	if (result < 0) {
f07e8e4b MK	265	printk(KERN_ERR "%s: dvb_register_adapter failed "
f07e8e4b MK	266	"(errno = %d)\n", DRIVER_NAME, result);
265a6510 ST	267	goto fail_adapter;
	268	}
	269	dvb->adapter.priv = dev;
	270
	271	/* register frontend */
	272	result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
	273	if (result < 0) {
f07e8e4b MK	274	printk(KERN_ERR "%s: dvb_register_frontend failed "
f07e8e4b MK	275	"(errno = %d)\n", DRIVER_NAME, result);
265a6510 ST	276	goto fail_frontend;
	277	}
	278
	279	/* register demux stuff */
	280	dvb->demux.dmx.capabilities =
	281	DMX_TS_FILTERING \| DMX_SECTION_FILTERING \|
	282	DMX_MEMORY_BASED_FILTERING;
	283	dvb->demux.priv = dev;
	284	dvb->demux.filternum = 256;
	285	dvb->demux.feednum = 256;
	286	dvb->demux.start_feed = au0828_dvb_start_feed;
	287	dvb->demux.stop_feed = au0828_dvb_stop_feed;
	288	result = dvb_dmx_init(&dvb->demux);
	289	if (result < 0) {
bc3c613c	290	printk(KERN_ERR "%s: dvb_dmx_init failed (errno = %d)\n",
265a6510 ST	291	DRIVER_NAME, result);
	292	goto fail_dmx;
	293	}
	294
	295	dvb->dmxdev.filternum = 256;
	296	dvb->dmxdev.demux = &dvb->demux.dmx;
	297	dvb->dmxdev.capabilities = 0;
	298	result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
	299	if (result < 0) {
bc3c613c	300	printk(KERN_ERR "%s: dvb_dmxdev_init failed (errno = %d)\n",
265a6510 ST	301	DRIVER_NAME, result);
	302	goto fail_dmxdev;
	303	}
	304
	305	dvb->fe_hw.source = DMX_FRONTEND_0;
	306	result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	307	if (result < 0) {
f07e8e4b MK	308	printk(KERN_ERR "%s: add_frontend failed "
f07e8e4b MK	309	"(DMX_FRONTEND_0, errno = %d)\n", DRIVER_NAME, result);
265a6510 ST	310	goto fail_fe_hw;
	311	}
	312
	313	dvb->fe_mem.source = DMX_MEMORY_FE;
	314	result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
	315	if (result < 0) {
f07e8e4b MK	316	printk(KERN_ERR "%s: add_frontend failed "
f07e8e4b MK	317	"(DMX_MEMORY_FE, errno = %d)\n", DRIVER_NAME, result);
265a6510 ST	318	goto fail_fe_mem;
	319	}
	320
	321	result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	322	if (result < 0) {
bc3c613c	323	printk(KERN_ERR "%s: connect_frontend failed (errno = %d)\n",
265a6510 ST	324	DRIVER_NAME, result);
	325	goto fail_fe_conn;
	326	}
	327
	328	/* register network adapter */
	329	dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
	330	return 0;
	331
	332	fail_fe_conn:
	333	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
	334	fail_fe_mem:
	335	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	336	fail_fe_hw:
	337	dvb_dmxdev_release(&dvb->dmxdev);
	338	fail_dmxdev:
	339	dvb_dmx_release(&dvb->demux);
	340	fail_dmx:
	341	dvb_unregister_frontend(dvb->frontend);
	342	fail_frontend:
	343	dvb_frontend_detach(dvb->frontend);
	344	dvb_unregister_adapter(&dvb->adapter);
	345	fail_adapter:
	346	return result;
	347	}
	348
	349	void au0828_dvb_unregister(struct au0828_dev *dev)
	350	{
	351	struct au0828_dvb *dvb = &dev->dvb;
	352
f07e8e4b	353	dprintk(1, "%s()\n", __func__);
bc3c613c	354
a9c36aad	355	if (dvb->frontend == NULL)
9c26de55 ST	356	return;
9c26de55 ST	357
265a6510 ST	358	dvb_net_release(&dvb->net);
	359	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
	360	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	361	dvb_dmxdev_release(&dvb->dmxdev);
	362	dvb_dmx_release(&dvb->demux);
	363	dvb_unregister_frontend(dvb->frontend);
	364	dvb_frontend_detach(dvb->frontend);
	365	dvb_unregister_adapter(&dvb->adapter);
	366	}
	367
	368	/* All the DVB attach calls go here, this function get's modified
	369	* for each new card. No other function in this file needs
	370	* to change.
	371	*/
	372	int au0828_dvb_register(struct au0828_dev *dev)
	373	{
	374	struct au0828_dvb *dvb = &dev->dvb;
	375	int ret;
	376
f07e8e4b	377	dprintk(1, "%s()\n", __func__);
bc3c613c	378
265a6510 ST	379	/* init frontend */
	380	switch (dev->board) {
	381	case AU0828_BOARD_HAUPPAUGE_HVR850:
	382	case AU0828_BOARD_HAUPPAUGE_HVR950Q:
265a6510 ST	383	dvb->frontend = dvb_attach(au8522_attach,
	384	&hauppauge_hvr950q_config,
	385	&dev->i2c_adap);
48723543	386	if (dvb->frontend != NULL)
30650961 MK	387	dvb_attach(xc5000_attach, dvb->frontend, &dev->i2c_adap,
30650961 MK	388	&hauppauge_hvr950q_tunerconfig);
265a6510	389	break;
59d27521 MK	390	case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
	391	dvb->frontend = dvb_attach(au8522_attach,
	392	&hauppauge_hvr950q_config,
	393	&dev->i2c_adap);
	394	if (dvb->frontend != NULL)
	395	dvb_attach(mxl5007t_attach, dvb->frontend,
	396	&dev->i2c_adap, 0x60,
	397	&mxl5007t_hvr950q_config);
	398	break;
8e8bd229 MK	399	case AU0828_BOARD_HAUPPAUGE_WOODBURY:
	400	dvb->frontend = dvb_attach(au8522_attach,
	401	&hauppauge_woodbury_config,
	402	&dev->i2c_adap);
	403	if (dvb->frontend != NULL)
	404	dvb_attach(tda18271_attach, dvb->frontend,
	405	0x60, &dev->i2c_adap,
	406	&hauppauge_woodbury_tunerconfig);
	407	break;
adeeac3b MK	408	case AU0828_BOARD_DVICO_FUSIONHDTV7:
	409	dvb->frontend = dvb_attach(au8522_attach,
	410	&fusionhdtv7usb_config,
	411	&dev->i2c_adap);
	412	if (dvb->frontend != NULL) {
	413	dvb_attach(xc5000_attach, dvb->frontend,
	414	&dev->i2c_adap,
	415	&hauppauge_hvr950q_tunerconfig);
	416	}
	417	break;
265a6510	418	default:
f07e8e4b MK	419	printk(KERN_WARNING "The frontend of your DVB/ATSC card "
f07e8e4b MK	420	"isn't supported yet\n");
265a6510 ST	421	break;
	422	}
	423	if (NULL == dvb->frontend) {
f07e8e4b MK	424	printk(KERN_ERR "%s() Frontend initialization failed\n",
f07e8e4b MK	425	__func__);
265a6510 ST	426	return -1;
265a6510 ST	427	}
d7cba043 MK	428	/* define general-purpose callback pointer */
d7cba043 MK	429	dvb->frontend->callback = au0828_tuner_callback;
265a6510	430
265a6510 ST	431	/* register everything */
	432	ret = dvb_register(dev);
	433	if (ret < 0) {
	434	if (dvb->frontend->ops.release)
	435	dvb->frontend->ops.release(dvb->frontend);
	436	return ret;
	437	}
	438
	439	return 0;
	440	}