[linux-2.6-block.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 <media/tuner.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_xc5000a_config = {
	.i2c_address      = 0x61,
	.if_khz           = 6000,
	.chip_id          = XC5000A,
};

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

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

	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;
	}

	/* 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;
	}

	/* 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__);

	dev->urb_streaming = 0;
	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]);
	}

	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 */
			ret = stop_urb_transfer(dev);
			au0828_write(dev, 0x60b, 0x00);
		}
		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;
	int ret;

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

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

	mutex_lock(&dvb->lock);

	/* Stop transport */
	ret = stop_urb_transfer(dev);
	au0828_write(dev, 0x608, 0x00);
	au0828_write(dev, 0x609, 0x00);
	au0828_write(dev, 0x60a, 0x00);
	au0828_write(dev, 0x60b, 0x00);

	/* 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);
}

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

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

	INIT_WORK(&dev->restart_streaming, au0828_restart_dvb_streaming);

	/* 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)
			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:
		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>
be183dc3	28	#include <media/tuner.h>
265a6510 ST	29
265a6510 ST	30	#include "au0828.h"
265a6510 ST	31	#include "au8522.h"
265a6510 ST	32	#include "xc5000.h"
59d27521	33	#include "mxl5007t.h"
8e8bd229	34	#include "tda18271.h"
265a6510 ST	35
	36	DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
	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 MK	86	.chip_id = XC5000A,
	87	};
	88
	89	static struct xc5000_config hauppauge_xc5000c_config = {
	90	.i2c_address = 0x61,
	91	.if_khz = 6000,
	92	.chip_id = XC5000C,
265a6510 ST	93	};
265a6510 ST	94
59d27521 MK	95	static struct mxl5007t_config mxl5007t_hvr950q_config = {
	96	.xtal_freq_hz = MxL_XTAL_24_MHZ,
	97	.if_freq_hz = MxL_IF_6_MHZ,
	98	};
	99
8e8bd229 MK	100	static struct tda18271_config hauppauge_woodbury_tunerconfig = {
	101	.gate = TDA18271_GATE_DIGITAL,
	102	};
	103
43f2cccf DH	104	static void au0828_restart_dvb_streaming(struct work_struct *work);
43f2cccf DH	105
265a6510 ST	106	/-------------------------------------------------------------------/
	107	static void urb_completion(struct urb *purb)
	108	{
265a6510 ST	109	struct au0828_dev *dev = purb->context;
265a6510 ST	110	int ptype = usb_pipetype(purb->pipe);
43f2cccf	111	unsigned char *ptr;
265a6510	112
f07e8e4b	113	dprintk(2, "%s()\n", __func__);
bc3c613c	114
9c26de55 ST	115	if (!dev)
	116	return;
	117
265a6510 ST	118	if (dev->urb_streaming == 0)
	119	return;
	120
	121	if (ptype != PIPE_BULK) {
f07e8e4b MK	122	printk(KERN_ERR "%s() Unsupported URB type %d\n",
f07e8e4b MK	123	__func__, ptype);
265a6510 ST	124	return;
	125	}
	126
43f2cccf DH	127	/* See if the stream is corrupted (to work around a hardware
	128	bug where the stream gets misaligned */
	129	ptr = purb->transfer_buffer;
	130	if (purb->actual_length > 0 && ptr[0] != 0x47) {
	131	dprintk(1, "Need to restart streaming %02x len=%d!\n",
	132	ptr[0], purb->actual_length);
	133	schedule_work(&dev->restart_streaming);
	134	return;
	135	}
	136
265a6510	137	/* Feed the transport payload into the kernel demux */
a9c36aad ST	138	dvb_dmx_swfilter_packets(&dev->dvb.demux,
a9c36aad ST	139	purb->transfer_buffer, purb->actual_length / 188);
265a6510 ST	140
	141	/* Clean the buffer before we requeue */
	142	memset(purb->transfer_buffer, 0, URB_BUFSIZE);
	143
	144	/* Requeue URB */
	145	usb_submit_urb(purb, GFP_ATOMIC);
	146	}
	147
	148	static int stop_urb_transfer(struct au0828_dev *dev)
	149	{
	150	int i;
	151
f07e8e4b	152	dprintk(2, "%s()\n", __func__);
265a6510	153
43f2cccf	154	dev->urb_streaming = 0;
265a6510 ST	155	for (i = 0; i < URB_COUNT; i++) {
	156	usb_kill_urb(dev->urbs[i]);
	157	kfree(dev->urbs[i]->transfer_buffer);
	158	usb_free_urb(dev->urbs[i]);
	159	}
	160
265a6510 ST	161	return 0;
	162	}
	163
265a6510 ST	164	static int start_urb_transfer(struct au0828_dev *dev)
	165	{
	166	struct urb *purb;
	167	int i, ret = -ENOMEM;
265a6510	168
f07e8e4b	169	dprintk(2, "%s()\n", __func__);
265a6510 ST	170
265a6510 ST	171	if (dev->urb_streaming) {
53761761	172	dprintk(2, "%s: bulk xfer already running!\n", __func__);
265a6510 ST	173	return 0;
	174	}
	175
	176	for (i = 0; i < URB_COUNT; i++) {
	177
	178	dev->urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
18d73c58	179	if (!dev->urbs[i])
265a6510	180	goto err;
265a6510 ST	181
	182	purb = dev->urbs[i];
	183
	184	purb->transfer_buffer = kzalloc(URB_BUFSIZE, GFP_KERNEL);
	185	if (!purb->transfer_buffer) {
	186	usb_free_urb(purb);
a6a3a17b	187	dev->urbs[i] = NULL;
265a6510 ST	188	goto err;
	189	}
	190
	191	purb->status = -EINPROGRESS;
	192	usb_fill_bulk_urb(purb,
	193	dev->usbdev,
a8eb912c ST	194	usb_rcvbulkpipe(dev->usbdev,
a8eb912c ST	195	_AU0828_BULKPIPE),
265a6510 ST	196	purb->transfer_buffer,
	197	URB_BUFSIZE,
	198	urb_completion,
	199	dev);
	200
	201	}
	202
	203	for (i = 0; i < URB_COUNT; i++) {
	204	ret = usb_submit_urb(dev->urbs[i], GFP_ATOMIC);
	205	if (ret != 0) {
	206	stop_urb_transfer(dev);
f07e8e4b MK	207	printk(KERN_ERR "%s: failed urb submission, "
f07e8e4b MK	208	"err = %d\n", __func__, ret);
265a6510 ST	209	return ret;
	210	}
	211	}
	212
	213	dev->urb_streaming = 1;
	214	ret = 0;
	215
	216	err:
	217	return ret;
	218	}
	219
	220	static int au0828_dvb_start_feed(struct dvb_demux_feed *feed)
	221	{
	222	struct dvb_demux *demux = feed->demux;
	223	struct au0828_dev dev = (struct au0828_dev ) demux->priv;
	224	struct au0828_dvb *dvb = &dev->dvb;
	225	int ret = 0;
	226
f07e8e4b	227	dprintk(1, "%s()\n", __func__);
265a6510 ST	228
	229	if (!demux->dmx.frontend)
	230	return -EINVAL;
	231
265a6510 ST	232	if (dvb) {
	233	mutex_lock(&dvb->lock);
	234	if (dvb->feeding++ == 0) {
bc3c613c	235	/* Start transport */
265a6510 ST	236	au0828_write(dev, 0x608, 0x90);
	237	au0828_write(dev, 0x609, 0x72);
	238	au0828_write(dev, 0x60a, 0x71);
	239	au0828_write(dev, 0x60b, 0x01);
	240	ret = start_urb_transfer(dev);
	241	}
	242	mutex_unlock(&dvb->lock);
	243	}
	244
	245	return ret;
	246	}
	247
	248	static int au0828_dvb_stop_feed(struct dvb_demux_feed *feed)
	249	{
	250	struct dvb_demux *demux = feed->demux;
	251	struct au0828_dev dev = (struct au0828_dev ) demux->priv;
	252	struct au0828_dvb *dvb = &dev->dvb;
	253	int ret = 0;
	254
f07e8e4b	255	dprintk(1, "%s()\n", __func__);
265a6510 ST	256
	257	if (dvb) {
	258	mutex_lock(&dvb->lock);
	259	if (--dvb->feeding == 0) {
bc3c613c	260	/* Stop transport */
265a6510	261	ret = stop_urb_transfer(dev);
43f2cccf	262	au0828_write(dev, 0x60b, 0x00);
265a6510 ST	263	}
	264	mutex_unlock(&dvb->lock);
	265	}
	266
	267	return ret;
	268	}
	269
43f2cccf DH	270	static void au0828_restart_dvb_streaming(struct work_struct *work)
	271	{
	272	struct au0828_dev *dev = container_of(work, struct au0828_dev,
	273	restart_streaming);
	274	struct au0828_dvb *dvb = &dev->dvb;
	275	int ret;
	276
	277	if (dev->urb_streaming == 0)
	278	return;
	279
	280	dprintk(1, "Restarting streaming...!\n");
	281
	282	mutex_lock(&dvb->lock);
	283
	284	/* Stop transport */
	285	ret = stop_urb_transfer(dev);
	286	au0828_write(dev, 0x608, 0x00);
	287	au0828_write(dev, 0x609, 0x00);
	288	au0828_write(dev, 0x60a, 0x00);
	289	au0828_write(dev, 0x60b, 0x00);
	290
	291	/* Start transport */
	292	au0828_write(dev, 0x608, 0x90);
	293	au0828_write(dev, 0x609, 0x72);
	294	au0828_write(dev, 0x60a, 0x71);
	295	au0828_write(dev, 0x60b, 0x01);
	296	ret = start_urb_transfer(dev);
	297
	298	mutex_unlock(&dvb->lock);
	299	}
	300
b33d24c4	301	static int dvb_register(struct au0828_dev *dev)
265a6510 ST	302	{
	303	struct au0828_dvb *dvb = &dev->dvb;
	304	int result;
	305
f07e8e4b	306	dprintk(1, "%s()\n", __func__);
bc3c613c	307
43f2cccf DH	308	INIT_WORK(&dev->restart_streaming, au0828_restart_dvb_streaming);
43f2cccf DH	309
265a6510 ST	310	/* register adapter */
	311	result = dvb_register_adapter(&dvb->adapter, DRIVER_NAME, THIS_MODULE,
	312	&dev->usbdev->dev, adapter_nr);
	313	if (result < 0) {
f07e8e4b MK	314	printk(KERN_ERR "%s: dvb_register_adapter failed "
f07e8e4b MK	315	"(errno = %d)\n", DRIVER_NAME, result);
265a6510 ST	316	goto fail_adapter;
	317	}
	318	dvb->adapter.priv = dev;
	319
	320	/* register frontend */
	321	result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
	322	if (result < 0) {
f07e8e4b MK	323	printk(KERN_ERR "%s: dvb_register_frontend failed "
f07e8e4b MK	324	"(errno = %d)\n", DRIVER_NAME, result);
265a6510 ST	325	goto fail_frontend;
	326	}
	327
	328	/* register demux stuff */
	329	dvb->demux.dmx.capabilities =
	330	DMX_TS_FILTERING \| DMX_SECTION_FILTERING \|
	331	DMX_MEMORY_BASED_FILTERING;
	332	dvb->demux.priv = dev;
	333	dvb->demux.filternum = 256;
	334	dvb->demux.feednum = 256;
	335	dvb->demux.start_feed = au0828_dvb_start_feed;
	336	dvb->demux.stop_feed = au0828_dvb_stop_feed;
	337	result = dvb_dmx_init(&dvb->demux);
	338	if (result < 0) {
bc3c613c	339	printk(KERN_ERR "%s: dvb_dmx_init failed (errno = %d)\n",
265a6510 ST	340	DRIVER_NAME, result);
	341	goto fail_dmx;
	342	}
	343
	344	dvb->dmxdev.filternum = 256;
	345	dvb->dmxdev.demux = &dvb->demux.dmx;
	346	dvb->dmxdev.capabilities = 0;
	347	result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
	348	if (result < 0) {
bc3c613c	349	printk(KERN_ERR "%s: dvb_dmxdev_init failed (errno = %d)\n",
265a6510 ST	350	DRIVER_NAME, result);
	351	goto fail_dmxdev;
	352	}
	353
	354	dvb->fe_hw.source = DMX_FRONTEND_0;
	355	result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	356	if (result < 0) {
f07e8e4b MK	357	printk(KERN_ERR "%s: add_frontend failed "
f07e8e4b MK	358	"(DMX_FRONTEND_0, errno = %d)\n", DRIVER_NAME, result);
265a6510 ST	359	goto fail_fe_hw;
	360	}
	361
	362	dvb->fe_mem.source = DMX_MEMORY_FE;
	363	result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
	364	if (result < 0) {
f07e8e4b MK	365	printk(KERN_ERR "%s: add_frontend failed "
f07e8e4b MK	366	"(DMX_MEMORY_FE, errno = %d)\n", DRIVER_NAME, result);
265a6510 ST	367	goto fail_fe_mem;
	368	}
	369
	370	result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	371	if (result < 0) {
bc3c613c	372	printk(KERN_ERR "%s: connect_frontend failed (errno = %d)\n",
265a6510 ST	373	DRIVER_NAME, result);
	374	goto fail_fe_conn;
	375	}
	376
	377	/* register network adapter */
	378	dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
	379	return 0;
	380
	381	fail_fe_conn:
	382	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
	383	fail_fe_mem:
	384	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	385	fail_fe_hw:
	386	dvb_dmxdev_release(&dvb->dmxdev);
	387	fail_dmxdev:
	388	dvb_dmx_release(&dvb->demux);
	389	fail_dmx:
	390	dvb_unregister_frontend(dvb->frontend);
	391	fail_frontend:
	392	dvb_frontend_detach(dvb->frontend);
	393	dvb_unregister_adapter(&dvb->adapter);
	394	fail_adapter:
	395	return result;
	396	}
	397
	398	void au0828_dvb_unregister(struct au0828_dev *dev)
	399	{
	400	struct au0828_dvb *dvb = &dev->dvb;
	401
f07e8e4b	402	dprintk(1, "%s()\n", __func__);
bc3c613c	403
a9c36aad	404	if (dvb->frontend == NULL)
9c26de55 ST	405	return;
9c26de55 ST	406
265a6510 ST	407	dvb_net_release(&dvb->net);
	408	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
	409	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	410	dvb_dmxdev_release(&dvb->dmxdev);
	411	dvb_dmx_release(&dvb->demux);
	412	dvb_unregister_frontend(dvb->frontend);
	413	dvb_frontend_detach(dvb->frontend);
	414	dvb_unregister_adapter(&dvb->adapter);
	415	}
	416
	417	/* All the DVB attach calls go here, this function get's modified
	418	* for each new card. No other function in this file needs
	419	* to change.
	420	*/
	421	int au0828_dvb_register(struct au0828_dev *dev)
	422	{
	423	struct au0828_dvb *dvb = &dev->dvb;
	424	int ret;
	425
f07e8e4b	426	dprintk(1, "%s()\n", __func__);
bc3c613c	427
265a6510	428	/* init frontend */
f1add5b5	429	switch (dev->boardnr) {
265a6510 ST	430	case AU0828_BOARD_HAUPPAUGE_HVR850:
265a6510 ST	431	case AU0828_BOARD_HAUPPAUGE_HVR950Q:
265a6510 ST	432	dvb->frontend = dvb_attach(au8522_attach,
	433	&hauppauge_hvr950q_config,
	434	&dev->i2c_adap);
48723543	435	if (dvb->frontend != NULL)
be183dc3 MK	436	switch (dev->board.tuner_type) {
	437	default:
	438	case TUNER_XC5000:
	439	dvb_attach(xc5000_attach, dvb->frontend,
	440	&dev->i2c_adap,
	441	&hauppauge_xc5000a_config);
	442	break;
	443	case TUNER_XC5000C:
	444	dvb_attach(xc5000_attach, dvb->frontend,
	445	&dev->i2c_adap,
	446	&hauppauge_xc5000c_config);
	447	break;
	448	}
265a6510	449	break;
59d27521 MK	450	case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
	451	dvb->frontend = dvb_attach(au8522_attach,
	452	&hauppauge_hvr950q_config,
	453	&dev->i2c_adap);
	454	if (dvb->frontend != NULL)
	455	dvb_attach(mxl5007t_attach, dvb->frontend,
	456	&dev->i2c_adap, 0x60,
	457	&mxl5007t_hvr950q_config);
	458	break;
8e8bd229 MK	459	case AU0828_BOARD_HAUPPAUGE_WOODBURY:
	460	dvb->frontend = dvb_attach(au8522_attach,
	461	&hauppauge_woodbury_config,
	462	&dev->i2c_adap);
	463	if (dvb->frontend != NULL)
	464	dvb_attach(tda18271_attach, dvb->frontend,
	465	0x60, &dev->i2c_adap,
	466	&hauppauge_woodbury_tunerconfig);
	467	break;
adeeac3b MK	468	case AU0828_BOARD_DVICO_FUSIONHDTV7:
	469	dvb->frontend = dvb_attach(au8522_attach,
	470	&fusionhdtv7usb_config,
	471	&dev->i2c_adap);
	472	if (dvb->frontend != NULL) {
	473	dvb_attach(xc5000_attach, dvb->frontend,
	474	&dev->i2c_adap,
be183dc3	475	&hauppauge_xc5000a_config);
adeeac3b MK	476	}
adeeac3b MK	477	break;
265a6510	478	default:
f07e8e4b MK	479	printk(KERN_WARNING "The frontend of your DVB/ATSC card "
f07e8e4b MK	480	"isn't supported yet\n");
265a6510 ST	481	break;
	482	}
	483	if (NULL == dvb->frontend) {
f07e8e4b MK	484	printk(KERN_ERR "%s() Frontend initialization failed\n",
f07e8e4b MK	485	__func__);
265a6510 ST	486	return -1;
265a6510 ST	487	}
d7cba043 MK	488	/* define general-purpose callback pointer */
d7cba043 MK	489	dvb->frontend->callback = au0828_tuner_callback;
265a6510	490
265a6510 ST	491	/* register everything */
	492	ret = dvb_register(dev);
	493	if (ret < 0) {
	494	if (dvb->frontend->ops.release)
	495	dvb->frontend->ops.release(dvb->frontend);
	496	return ret;
	497	}
	498
	499	return 0;
	500	}