em28xx-dvb.c 50.3 KB
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/*
 DVB device driver for em28xx

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 (c) 2008-2011 Mauro Carvalho Chehab <mchehab@infradead.org>
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 (c) 2008 Devin Heitmueller <devin.heitmueller@gmail.com>
	- Fixes for the driver to properly work with HVR-950
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	- Fixes for the driver to properly work with Pinnacle PCTV HD Pro Stick
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	- Fixes for the driver to properly work with AMD ATI TV Wonder HD 600
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 (c) 2008 Aidan Thornton <makosoft@googlemail.com>

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 (c) 2012 Frank Schäfer <fschaefer.oss@googlemail.com>

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 Based on cx88-dvb, saa7134-dvb and videobuf-dvb originally written by:
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	(c) 2004, 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au>
	(c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]

 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.
 */

#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/usb.h>

#include "em28xx.h"
#include <media/v4l2-common.h>
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#include <dvb_demux.h>
#include <dvb_net.h>
#include <dmxdev.h>
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#include <media/tuner.h>
#include "tuner-simple.h"
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#include <linux/gpio.h>
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#include "lgdt330x.h"
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#include "lgdt3305.h"
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#include "zl10353.h"
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#include "s5h1409.h"
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#include "mt352.h"
#include "mt352_priv.h" /* FIXME */
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#include "tda1002x.h"
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#include "drx39xyj/drx39xxj.h"
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#include "tda18271.h"
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#include "s921.h"
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#include "drxd.h"
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#include "cxd2820r.h"
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#include "tda18271c2dd.h"
#include "drxk.h"
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#include "tda10071.h"
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#include "tda18212.h"
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#include "a8293.h"
A
Aivar Päkk 已提交
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#include "qt1010.h"
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#include "mb86a20s.h"
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#include "m88ds3103.h"
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#include "ts2020.h"
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#include "si2168.h"
#include "si2157.h"
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MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION(DRIVER_DESC " - digital TV interface");
MODULE_VERSION(EM28XX_VERSION);

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static unsigned int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "enable debug messages [dvb]");

DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

#define dprintk(level, fmt, arg...) do {			\
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if (debug >= level)						\
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	printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg);	\
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} while (0)

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struct em28xx_dvb {
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	struct dvb_frontend        *fe[2];
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	/* feed count management */
	struct mutex               lock;
	int                        nfeeds;

	/* general boilerplate stuff */
	struct dvb_adapter         adapter;
	struct dvb_demux           demux;
	struct dmxdev              dmxdev;
	struct dmx_frontend        fe_hw;
	struct dmx_frontend        fe_mem;
	struct dvb_net             net;
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	/* Due to DRX-K - probably need changes */
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	int (*gate_ctrl)(struct dvb_frontend *, int);
	struct semaphore      pll_mutex;
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	bool			dont_attach_fe1;
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	int			lna_gpio;
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	struct i2c_client	*i2c_client_demod;
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	struct i2c_client	*i2c_client_tuner;
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	struct i2c_client	*i2c_client_sec;
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};

static inline void print_err_status(struct em28xx *dev,
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				    int packet, int status)
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{
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	char *errmsg = "Unknown";
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	switch (status) {
	case -ENOENT:
		errmsg = "unlinked synchronuously";
		break;
	case -ECONNRESET:
		errmsg = "unlinked asynchronuously";
		break;
	case -ENOSR:
		errmsg = "Buffer error (overrun)";
		break;
	case -EPIPE:
		errmsg = "Stalled (device not responding)";
		break;
	case -EOVERFLOW:
		errmsg = "Babble (bad cable?)";
		break;
	case -EPROTO:
		errmsg = "Bit-stuff error (bad cable?)";
		break;
	case -EILSEQ:
		errmsg = "CRC/Timeout (could be anything)";
		break;
	case -ETIME:
		errmsg = "Device does not respond";
		break;
	}
	if (packet < 0) {
		dprintk(1, "URB status %d [%s].\n", status, errmsg);
	} else {
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		dprintk(1, "URB packet %d, status %d [%s].\n",
			packet, status, errmsg);
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	}
}
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static inline int em28xx_dvb_urb_data_copy(struct em28xx *dev, struct urb *urb)
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{
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	int xfer_bulk, num_packets, i;
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	if (!dev)
		return 0;
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	if (dev->disconnected)
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		return 0;

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	if (urb->status < 0)
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		print_err_status(dev, -1, urb->status);

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	xfer_bulk = usb_pipebulk(urb->pipe);

	if (xfer_bulk) /* bulk */
		num_packets = 1;
	else /* isoc */
		num_packets = urb->number_of_packets;

	for (i = 0; i < num_packets; i++) {
		if (xfer_bulk) {
			if (urb->status < 0) {
				print_err_status(dev, i, urb->status);
				if (urb->status != -EPROTO)
					continue;
			}
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			if (!urb->actual_length)
				continue;
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			dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer,
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					 urb->actual_length);
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		} else {
			if (urb->iso_frame_desc[i].status < 0) {
				print_err_status(dev, i,
						 urb->iso_frame_desc[i].status);
				if (urb->iso_frame_desc[i].status != -EPROTO)
					continue;
			}
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			if (!urb->iso_frame_desc[i].actual_length)
				continue;
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			dvb_dmx_swfilter(&dev->dvb->demux,
					 urb->transfer_buffer +
					 urb->iso_frame_desc[i].offset,
					 urb->iso_frame_desc[i].actual_length);
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		}
	}

	return 0;
}

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static int em28xx_start_streaming(struct em28xx_dvb *dvb)
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{
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	int rc;
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	struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv;
	struct em28xx *dev = i2c_bus->dev;
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	int dvb_max_packet_size, packet_multiplier, dvb_alt;

	if (dev->dvb_xfer_bulk) {
		if (!dev->dvb_ep_bulk)
			return -ENODEV;
		dvb_max_packet_size = 512; /* USB 2.0 spec */
		packet_multiplier = EM28XX_DVB_BULK_PACKET_MULTIPLIER;
		dvb_alt = 0;
	} else { /* isoc */
		if (!dev->dvb_ep_isoc)
			return -ENODEV;
		dvb_max_packet_size = dev->dvb_max_pkt_size_isoc;
		if (dvb_max_packet_size < 0)
			return dvb_max_packet_size;
		packet_multiplier = EM28XX_DVB_NUM_ISOC_PACKETS;
		dvb_alt = dev->dvb_alt_isoc;
	}
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	usb_set_interface(dev->udev, dev->ifnum, dvb_alt);
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	rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
	if (rc < 0)
		return rc;
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	dprintk(1, "Using %d buffers each with %d x %d bytes, alternate %d\n",
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		EM28XX_DVB_NUM_BUFS,
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		packet_multiplier,
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		dvb_max_packet_size, dvb_alt);
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	return em28xx_init_usb_xfer(dev, EM28XX_DIGITAL_MODE,
				    dev->dvb_xfer_bulk,
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				    EM28XX_DVB_NUM_BUFS,
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				    dvb_max_packet_size,
				    packet_multiplier,
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				    em28xx_dvb_urb_data_copy);
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}

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static int em28xx_stop_streaming(struct em28xx_dvb *dvb)
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{
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	struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv;
	struct em28xx *dev = i2c_bus->dev;
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	em28xx_stop_urbs(dev);
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	return 0;
}

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static int em28xx_start_feed(struct dvb_demux_feed *feed)
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{
	struct dvb_demux *demux  = feed->demux;
	struct em28xx_dvb *dvb = demux->priv;
	int rc, ret;

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

	mutex_lock(&dvb->lock);
	dvb->nfeeds++;
	rc = dvb->nfeeds;

	if (dvb->nfeeds == 1) {
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		ret = em28xx_start_streaming(dvb);
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		if (ret < 0)
			rc = ret;
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	}

	mutex_unlock(&dvb->lock);
	return rc;
}

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static int em28xx_stop_feed(struct dvb_demux_feed *feed)
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{
	struct dvb_demux *demux  = feed->demux;
	struct em28xx_dvb *dvb = demux->priv;
	int err = 0;

	mutex_lock(&dvb->lock);
	dvb->nfeeds--;
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	if (0 == dvb->nfeeds)
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		err = em28xx_stop_streaming(dvb);
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	mutex_unlock(&dvb->lock);
	return err;
}


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/* ------------------------------------------------------------------ */
static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire)
{
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	struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
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	struct em28xx *dev = i2c_bus->dev;
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	if (acquire)
		return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
	else
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		return em28xx_set_mode(dev, EM28XX_SUSPEND);
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}

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/* ------------------------------------------------------------------ */

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static struct lgdt330x_config em2880_lgdt3303_dev = {
	.demod_address = 0x0e,
	.demod_chip = LGDT3303,
};
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static struct lgdt3305_config em2870_lgdt3304_dev = {
	.i2c_addr           = 0x0e,
	.demod_chip         = LGDT3304,
	.spectral_inversion = 1,
	.deny_i2c_rptr      = 1,
	.mpeg_mode          = LGDT3305_MPEG_PARALLEL,
	.tpclk_edge         = LGDT3305_TPCLK_FALLING_EDGE,
	.tpvalid_polarity   = LGDT3305_TP_VALID_HIGH,
	.vsb_if_khz         = 3250,
	.qam_if_khz         = 4000,
};

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static struct lgdt3305_config em2874_lgdt3305_dev = {
	.i2c_addr           = 0x0e,
	.demod_chip         = LGDT3305,
	.spectral_inversion = 1,
	.deny_i2c_rptr      = 0,
	.mpeg_mode          = LGDT3305_MPEG_SERIAL,
	.tpclk_edge         = LGDT3305_TPCLK_FALLING_EDGE,
	.tpvalid_polarity   = LGDT3305_TP_VALID_HIGH,
	.vsb_if_khz         = 3250,
	.qam_if_khz         = 4000,
};

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static struct lgdt3305_config em2874_lgdt3305_nogate_dev = {
	.i2c_addr           = 0x0e,
	.demod_chip         = LGDT3305,
	.spectral_inversion = 1,
	.deny_i2c_rptr      = 1,
	.mpeg_mode          = LGDT3305_MPEG_SERIAL,
	.tpclk_edge         = LGDT3305_TPCLK_FALLING_EDGE,
	.tpvalid_polarity   = LGDT3305_TP_VALID_HIGH,
	.vsb_if_khz         = 3600,
	.qam_if_khz         = 3600,
};

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static struct s921_config sharp_isdbt = {
	.demod_address = 0x30 >> 1
};

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static struct zl10353_config em28xx_zl10353_with_xc3028 = {
	.demod_address = (0x1e >> 1),
	.no_tuner = 1,
	.parallel_ts = 1,
	.if2 = 45600,
};

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static struct s5h1409_config em28xx_s5h1409_with_xc3028 = {
	.demod_address = 0x32 >> 1,
	.output_mode   = S5H1409_PARALLEL_OUTPUT,
	.gpio          = S5H1409_GPIO_OFF,
	.inversion     = S5H1409_INVERSION_OFF,
	.status_mode   = S5H1409_DEMODLOCKING,
	.mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK
};

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static struct tda18271_std_map kworld_a340_std_map = {
	.atsc_6   = { .if_freq = 3250, .agc_mode = 3, .std = 0,
		      .if_lvl = 1, .rfagc_top = 0x37, },
	.qam_6    = { .if_freq = 4000, .agc_mode = 3, .std = 1,
		      .if_lvl = 1, .rfagc_top = 0x37, },
};

static struct tda18271_config kworld_a340_config = {
	.std_map           = &kworld_a340_std_map,
};

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static struct tda18271_config kworld_ub435q_v2_config = {
	.std_map	= &kworld_a340_std_map,
	.gate		= TDA18271_GATE_DIGITAL,
};

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static struct tda18212_config kworld_ub435q_v3_config = {
	.if_atsc_vsb	= 3600,
	.if_atsc_qam	= 3600,
};

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static struct zl10353_config em28xx_zl10353_xc3028_no_i2c_gate = {
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	.demod_address = (0x1e >> 1),
	.no_tuner = 1,
	.disable_i2c_gate_ctrl = 1,
	.parallel_ts = 1,
	.if2 = 45600,
};

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static struct drxd_config em28xx_drxd = {
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	.demod_address = 0x70,
	.demod_revision = 0xa2,
	.pll_type = DRXD_PLL_NONE,
	.clock = 12000,
	.insert_rs_byte = 1,
	.IF = 42800000,
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	.disable_i2c_gate_ctrl = 1,
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};

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static struct drxk_config terratec_h5_drxk = {
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	.adr = 0x29,
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	.single_master = 1,
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	.no_i2c_bridge = 1,
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	.microcode_name = "dvb-usb-terratec-h5-drxk.fw",
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	.qam_demod_parameter_count = 2,
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};

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static struct drxk_config hauppauge_930c_drxk = {
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	.adr = 0x29,
	.single_master = 1,
	.no_i2c_bridge = 1,
	.microcode_name = "dvb-usb-hauppauge-hvr930c-drxk.fw",
	.chunk_size = 56,
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	.qam_demod_parameter_count = 2,
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};

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static struct drxk_config terratec_htc_stick_drxk = {
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	.adr = 0x29,
	.single_master = 1,
	.no_i2c_bridge = 1,
	.microcode_name = "dvb-usb-terratec-htc-stick-drxk.fw",
	.chunk_size = 54,
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	.qam_demod_parameter_count = 2,
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	/* Required for the antenna_gpio to disable LNA. */
	.antenna_dvbt = true,
	/* The windows driver uses the same. This will disable LNA. */
	.antenna_gpio = 0x6,
};

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static struct drxk_config maxmedia_ub425_tc_drxk = {
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	.adr = 0x29,
	.single_master = 1,
	.no_i2c_bridge = 1,
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	.microcode_name = "dvb-demod-drxk-01.fw",
	.chunk_size = 62,
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	.qam_demod_parameter_count = 2,
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};

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static struct drxk_config pctv_520e_drxk = {
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	.adr = 0x29,
	.single_master = 1,
	.microcode_name = "dvb-demod-drxk-pctv.fw",
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	.qam_demod_parameter_count = 2,
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	.chunk_size = 58,
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	.antenna_dvbt = true, /* disable LNA */
	.antenna_gpio = (1 << 2), /* disable LNA */
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};

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static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
{
	struct em28xx_dvb *dvb = fe->sec_priv;
	int status;

	if (!dvb)
		return -EINVAL;

	if (enable) {
		down(&dvb->pll_mutex);
		status = dvb->gate_ctrl(fe, 1);
	} else {
		status = dvb->gate_ctrl(fe, 0);
		up(&dvb->pll_mutex);
	}
	return status;
}

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static void hauppauge_hvr930c_init(struct em28xx *dev)
{
	int i;

	struct em28xx_reg_seq hauppauge_hvr930c_init[] = {
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		{EM2874_R80_GPIO_P0_CTRL,	0xff,	0xff,	0x65},
		{EM2874_R80_GPIO_P0_CTRL,	0xfb,	0xff,	0x32},
		{EM2874_R80_GPIO_P0_CTRL,	0xff,	0xff,	0xb8},
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		{	-1,			-1,	-1,	-1},
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	};
	struct em28xx_reg_seq hauppauge_hvr930c_end[] = {
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		{EM2874_R80_GPIO_P0_CTRL,	0xef,	0xff,	0x01},
		{EM2874_R80_GPIO_P0_CTRL,	0xaf,	0xff,	0x65},
		{EM2874_R80_GPIO_P0_CTRL,	0xef,	0xff,	0x76},
		{EM2874_R80_GPIO_P0_CTRL,	0xef,	0xff,	0x01},
		{EM2874_R80_GPIO_P0_CTRL,	0xcf,	0xff,	0x0b},
		{EM2874_R80_GPIO_P0_CTRL,	0xef,	0xff,	0x40},

		{EM2874_R80_GPIO_P0_CTRL,	0xcf,	0xff,	0x65},
		{EM2874_R80_GPIO_P0_CTRL,	0xef,	0xff,	0x65},
		{EM2874_R80_GPIO_P0_CTRL,	0xcf,	0xff,	0x0b},
		{EM2874_R80_GPIO_P0_CTRL,	0xef,	0xff,	0x65},
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		{	-1,			-1,	-1,	-1},
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	};

	struct {
		unsigned char r[4];
		int len;
	} regs[] = {
		{{ 0x06, 0x02, 0x00, 0x31 }, 4},
		{{ 0x01, 0x02 }, 2},
		{{ 0x01, 0x02, 0x00, 0xc6 }, 4},
		{{ 0x01, 0x00 }, 2},
		{{ 0x01, 0x00, 0xff, 0xaf }, 4},
		{{ 0x01, 0x00, 0x03, 0xa0 }, 4},
		{{ 0x01, 0x00 }, 2},
		{{ 0x01, 0x00, 0x73, 0xaf }, 4},
		{{ 0x04, 0x00 }, 2},
		{{ 0x00, 0x04 }, 2},
		{{ 0x00, 0x04, 0x00, 0x0a }, 4},
		{{ 0x04, 0x14 }, 2},
		{{ 0x04, 0x14, 0x00, 0x00 }, 4},
	};

	em28xx_gpio_set(dev, hauppauge_hvr930c_init);
	em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
	msleep(10);
	em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
	msleep(10);

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	dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
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	for (i = 0; i < ARRAY_SIZE(regs); i++)
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		i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
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	em28xx_gpio_set(dev, hauppauge_hvr930c_end);

	msleep(100);

	em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
	msleep(30);

	em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
	msleep(10);

}

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static void terratec_h5_init(struct em28xx *dev)
{
	int i;
	struct em28xx_reg_seq terratec_h5_init[] = {
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		{EM2820_R08_GPIO_CTRL,		0xff,	0xff,	10},
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		{EM2874_R80_GPIO_P0_CTRL,	0xf6,	0xff,	100},
		{EM2874_R80_GPIO_P0_CTRL,	0xf2,	0xff,	50},
		{EM2874_R80_GPIO_P0_CTRL,	0xf6,	0xff,	100},
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		{	-1,			-1,	-1,	-1},
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	};
	struct em28xx_reg_seq terratec_h5_end[] = {
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		{EM2874_R80_GPIO_P0_CTRL,	0xe6,	0xff,	100},
		{EM2874_R80_GPIO_P0_CTRL,	0xa6,	0xff,	50},
		{EM2874_R80_GPIO_P0_CTRL,	0xe6,	0xff,	100},
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		{	-1,			-1,	-1,	-1},
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	};
	struct {
		unsigned char r[4];
		int len;
	} regs[] = {
		{{ 0x06, 0x02, 0x00, 0x31 }, 4},
		{{ 0x01, 0x02 }, 2},
		{{ 0x01, 0x02, 0x00, 0xc6 }, 4},
		{{ 0x01, 0x00 }, 2},
		{{ 0x01, 0x00, 0xff, 0xaf }, 4},
		{{ 0x01, 0x00, 0x03, 0xa0 }, 4},
		{{ 0x01, 0x00 }, 2},
		{{ 0x01, 0x00, 0x73, 0xaf }, 4},
		{{ 0x04, 0x00 }, 2},
		{{ 0x00, 0x04 }, 2},
		{{ 0x00, 0x04, 0x00, 0x0a }, 4},
		{{ 0x04, 0x14 }, 2},
		{{ 0x04, 0x14, 0x00, 0x00 }, 4},
	};

	em28xx_gpio_set(dev, terratec_h5_init);
	em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
	msleep(10);
	em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x45);
	msleep(10);

571
	dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
572 573

	for (i = 0; i < ARRAY_SIZE(regs); i++)
574
		i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
575 576 577
	em28xx_gpio_set(dev, terratec_h5_end);
};

578 579 580 581 582 583 584 585 586 587 588 589
static void terratec_htc_stick_init(struct em28xx *dev)
{
	int i;

	/*
	 * GPIO configuration:
	 * 0xff: unknown (does not affect DVB-T).
	 * 0xf6: DRX-K (demodulator).
	 * 0xe6: unknown (does not affect DVB-T).
	 * 0xb6: unknown (does not affect DVB-T).
	 */
	struct em28xx_reg_seq terratec_htc_stick_init[] = {
590
		{EM2820_R08_GPIO_CTRL,		0xff,	0xff,	10},
591 592 593
		{EM2874_R80_GPIO_P0_CTRL,	0xf6,	0xff,	100},
		{EM2874_R80_GPIO_P0_CTRL,	0xe6,	0xff,	50},
		{EM2874_R80_GPIO_P0_CTRL,	0xf6,	0xff,	100},
594
		{	-1,			-1,	-1,	-1},
595 596
	};
	struct em28xx_reg_seq terratec_htc_stick_end[] = {
597 598
		{EM2874_R80_GPIO_P0_CTRL,	0xb6,	0xff,	100},
		{EM2874_R80_GPIO_P0_CTRL,	0xf6,	0xff,	50},
599
		{	-1,			-1,	-1,	-1},
600 601
	};

602 603 604 605
	/*
	 * Init the analog decoder (not yet supported), but
	 * it's probably still a good idea.
	 */
606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623
	struct {
		unsigned char r[4];
		int len;
	} regs[] = {
		{{ 0x06, 0x02, 0x00, 0x31 }, 4},
		{{ 0x01, 0x02 }, 2},
		{{ 0x01, 0x02, 0x00, 0xc6 }, 4},
		{{ 0x01, 0x00 }, 2},
		{{ 0x01, 0x00, 0xff, 0xaf }, 4},
	};

	em28xx_gpio_set(dev, terratec_htc_stick_init);

	em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
	msleep(10);
	em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
	msleep(10);

624
	dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
625 626

	for (i = 0; i < ARRAY_SIZE(regs); i++)
627
		i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
628 629 630 631

	em28xx_gpio_set(dev, terratec_htc_stick_end);
};

632 633 634 635 636
static void terratec_htc_usb_xs_init(struct em28xx *dev)
{
	int i;

	struct em28xx_reg_seq terratec_htc_usb_xs_init[] = {
637
		{EM2820_R08_GPIO_CTRL,		0xff,	0xff,	10},
638 639 640
		{EM2874_R80_GPIO_P0_CTRL,	0xb2,	0xff,	100},
		{EM2874_R80_GPIO_P0_CTRL,	0xb2,	0xff,	50},
		{EM2874_R80_GPIO_P0_CTRL,	0xb6,	0xff,	100},
641
		{	-1,			-1,	-1,	-1},
642 643
	};
	struct em28xx_reg_seq terratec_htc_usb_xs_end[] = {
644 645 646
		{EM2874_R80_GPIO_P0_CTRL,	0xa6,	0xff,	100},
		{EM2874_R80_GPIO_P0_CTRL,	0xa6,	0xff,	50},
		{EM2874_R80_GPIO_P0_CTRL,	0xe6,	0xff,	100},
647
		{	-1,			-1,	-1,	-1},
648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681
	};

	/*
	 * Init the analog decoder (not yet supported), but
	 * it's probably still a good idea.
	 */
	struct {
		unsigned char r[4];
		int len;
	} regs[] = {
		{{ 0x06, 0x02, 0x00, 0x31 }, 4},
		{{ 0x01, 0x02 }, 2},
		{{ 0x01, 0x02, 0x00, 0xc6 }, 4},
		{{ 0x01, 0x00 }, 2},
		{{ 0x01, 0x00, 0xff, 0xaf }, 4},
		{{ 0x01, 0x00, 0x03, 0xa0 }, 4},
		{{ 0x01, 0x00 }, 2},
		{{ 0x01, 0x00, 0x73, 0xaf }, 4},
		{{ 0x04, 0x00 }, 2},
		{{ 0x00, 0x04 }, 2},
		{{ 0x00, 0x04, 0x00, 0x0a }, 4},
		{{ 0x04, 0x14 }, 2},
		{{ 0x04, 0x14, 0x00, 0x00 }, 4},
	};

	em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);

	em28xx_gpio_set(dev, terratec_htc_usb_xs_init);

	em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
	msleep(10);
	em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x44);
	msleep(10);

682
	dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
683 684

	for (i = 0; i < ARRAY_SIZE(regs); i++)
685
		i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
686 687 688 689

	em28xx_gpio_set(dev, terratec_htc_usb_xs_end);
};

690 691 692
static void pctv_520e_init(struct em28xx *dev)
{
	/*
693 694
	 * Init AVF4910B analog decoder. Looks like I2C traffic to
	 * digital demodulator and tuner are routed via AVF4910B.
695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710
	 */
	int i;
	struct {
		unsigned char r[4];
		int len;
	} regs[] = {
		{{ 0x06, 0x02, 0x00, 0x31 }, 4},
		{{ 0x01, 0x02 }, 2},
		{{ 0x01, 0x02, 0x00, 0xc6 }, 4},
		{{ 0x01, 0x00 }, 2},
		{{ 0x01, 0x00, 0xff, 0xaf }, 4},
		{{ 0x01, 0x00, 0x03, 0xa0 }, 4},
		{{ 0x01, 0x00 }, 2},
		{{ 0x01, 0x00, 0x73, 0xaf }, 4},
	};

711
	dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; /* 0x41 */
712 713

	for (i = 0; i < ARRAY_SIZE(regs); i++)
714
		i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
715 716
};

717
static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe)
718
{
719
	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
720 721
	struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
	struct em28xx *dev = i2c_bus->dev;
722 723 724 725 726
#ifdef CONFIG_GPIOLIB
	struct em28xx_dvb *dvb = dev->dvb;
	int ret;
	unsigned long flags;

727 728
	if (c->lna == 1)
		flags = GPIOF_OUT_INIT_HIGH; /* enable LNA */
729
	else
730
		flags = GPIOF_OUT_INIT_LOW; /* disable LNA */
731 732 733 734 735 736 737 738 739

	ret = gpio_request_one(dvb->lna_gpio, flags, NULL);
	if (ret)
		em28xx_errdev("gpio request failed %d\n", ret);
	else
		gpio_free(dvb->lna_gpio);

	return ret;
#else
740
	dev_warn(&dev->udev->dev, "%s: LNA control is disabled (lna=%u)\n",
741
		 KBUILD_MODNAME, c->lna);
742 743 744 745
	return 0;
#endif
}

746 747 748 749 750 751 752 753 754 755 756 757 758 759 760
static int em28xx_pctv_292e_set_lna(struct dvb_frontend *fe)
{
	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
	struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;
	struct em28xx *dev = i2c_bus->dev;
	u8 lna;

	if (c->lna == 1)
		lna = 0x01;
	else
		lna = 0x00;

	return em28xx_write_reg_bits(dev, EM2874_R80_GPIO_P0_CTRL, lna, 0x01);
}

761
static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe)
762 763 764 765 766 767 768 769 770 771 772
{
	/* Values extracted from a USB trace of the Terratec Windows driver */
	static u8 clock_config[]   = { CLOCK_CTL,  0x38, 0x2c };
	static u8 reset[]          = { RESET,      0x80 };
	static u8 adc_ctl_1_cfg[]  = { ADC_CTL_1,  0x40 };
	static u8 agc_cfg[]        = { AGC_TARGET, 0x28, 0xa0 };
	static u8 input_freq_cfg[] = { INPUT_FREQ_1, 0x31, 0xb8 };
	static u8 rs_err_cfg[]     = { RS_ERR_PER_1, 0x00, 0x4d };
	static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
	static u8 trl_nom_cfg[]    = { TRL_NOMINAL_RATE_1, 0x64, 0x00 };
	static u8 tps_given_cfg[]  = { TPS_GIVEN_1, 0x40, 0x80, 0x50 };
773
	static u8 tuner_go[]       = { TUNER_GO, 0x01};
774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792

	mt352_write(fe, clock_config,   sizeof(clock_config));
	udelay(200);
	mt352_write(fe, reset,          sizeof(reset));
	mt352_write(fe, adc_ctl_1_cfg,  sizeof(adc_ctl_1_cfg));
	mt352_write(fe, agc_cfg,        sizeof(agc_cfg));
	mt352_write(fe, input_freq_cfg, sizeof(input_freq_cfg));
	mt352_write(fe, rs_err_cfg,     sizeof(rs_err_cfg));
	mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
	mt352_write(fe, trl_nom_cfg,    sizeof(trl_nom_cfg));
	mt352_write(fe, tps_given_cfg,  sizeof(tps_given_cfg));
	mt352_write(fe, tuner_go,       sizeof(tuner_go));
	return 0;
}

static struct mt352_config terratec_xs_mt352_cfg = {
	.demod_address = (0x1e >> 1),
	.no_tuner = 1,
	.if2 = 45600,
793
	.demod_init = em28xx_mt352_terratec_xs_init,
794 795
};

796 797 798 799 800
static struct tda10023_config em28xx_tda10023_config = {
	.demod_address = 0x0c,
	.invert = 1,
};

801 802 803 804 805 806 807
static struct cxd2820r_config em28xx_cxd2820r_config = {
	.i2c_address = (0xd8 >> 1),
	.ts_mode = CXD2820R_TS_SERIAL,
};

static struct tda18271_config em28xx_cxd2820r_tda18271_config = {
	.output_opt = TDA18271_OUTPUT_LT_OFF,
808
	.gate = TDA18271_GATE_DIGITAL,
809 810
};

A
Aivar Päkk 已提交
811 812 813 814 815 816
static struct zl10353_config em28xx_zl10353_no_i2c_gate_dev = {
	.demod_address = (0x1e >> 1),
	.disable_i2c_gate_ctrl = 1,
	.no_tuner = 1,
	.parallel_ts = 1,
};
817

A
Aivar Päkk 已提交
818 819
static struct qt1010_config em28xx_qt1010_config = {
	.i2c_address = 0x62
820 821 822 823 824 825 826 827 828 829 830
};

static const struct mb86a20s_config c3tech_duo_mb86a20s_config = {
	.demod_address = 0x10,
	.is_serial = true,
};

static struct tda18271_std_map mb86a20s_tda18271_config = {
	.dvbt_6   = { .if_freq = 4000, .agc_mode = 3, .std = 4,
		      .if_lvl = 1, .rfagc_top = 0x37, },
};
A
Aivar Päkk 已提交
831

832 833 834 835
static struct tda18271_config c3tech_duo_tda18271_config = {
	.std_map = &mb86a20s_tda18271_config,
	.gate    = TDA18271_GATE_DIGITAL,
	.small_i2c = TDA18271_03_BYTE_CHUNK_INIT,
A
Aivar Päkk 已提交
836 837
};

838 839 840 841 842
static const struct m88ds3103_config pctv_461e_m88ds3103_config = {
	.i2c_addr = 0x68,
	.clock = 27000000,
	.i2c_wr_max = 33,
	.clock_out = 0,
843 844 845
	.ts_mode = M88DS3103_TS_PARALLEL,
	.ts_clk = 16000,
	.ts_clk_pol = 1,
846 847 848
	.agc = 0x99,
};

849 850 851 852 853 854 855 856 857 858 859 860 861
static struct tda18271_std_map drx_j_std_map = {
	.atsc_6   = { .if_freq = 5000, .agc_mode = 3, .std = 0, .if_lvl = 1,
		      .rfagc_top = 0x37, },
	.qam_6    = { .if_freq = 5380, .agc_mode = 3, .std = 3, .if_lvl = 1,
		      .rfagc_top = 0x37, },
};

static struct tda18271_config pinnacle_80e_dvb_config = {
	.std_map = &drx_j_std_map,
	.gate    = TDA18271_GATE_DIGITAL,
	.role    = TDA18271_MASTER,
};

862 863
/* ------------------------------------------------------------------ */

864
static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev)
865 866
{
	struct dvb_frontend *fe;
867
	struct xc2028_config cfg;
868
	struct xc2028_ctrl ctl;
869

870
	memset(&cfg, 0, sizeof(cfg));
871
	cfg.i2c_adap  = &dev->i2c_adap[dev->def_i2c_bus];
872 873
	cfg.i2c_addr  = addr;

874 875 876 877
	memset(&ctl, 0, sizeof(ctl));
	em28xx_setup_xc3028(dev, &ctl);
	cfg.ctrl  = &ctl;

878
	if (!dev->dvb->fe[0]) {
879 880
		em28xx_errdev("/2: dvb frontend not attached. "
				"Can't attach xc3028\n");
881 882 883
		return -EINVAL;
	}

884
	fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
885
	if (!fe) {
886
		em28xx_errdev("/2: xc3028 attach failed\n");
887 888
		dvb_frontend_detach(dev->dvb->fe[0]);
		dev->dvb->fe[0] = NULL;
889 890 891
		return -EINVAL;
	}

892
	em28xx_info("%s/2: xc3028 attached\n", dev->name);
893 894 895 896

	return 0;
}

897 898
/* ------------------------------------------------------------------ */

899 900
static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
			       struct em28xx *dev, struct device *device)
901
{
902
	int result;
903

904
	mutex_init(&dvb->lock);
905

906 907 908 909 910 911 912 913
	/* register adapter */
	result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
				      adapter_nr);
	if (result < 0) {
		printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
		       dev->name, result);
		goto fail_adapter;
	}
914 915

	/* Ensure all frontends negotiate bus access */
916 917 918
	dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
	if (dvb->fe[1])
		dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
919

920
	dvb->adapter.priv = &dev->i2c_bus[dev->def_i2c_bus];
921 922

	/* register frontend */
923
	result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
924 925 926
	if (result < 0) {
		printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
		       dev->name, result);
927 928 929 930 931 932 933 934
		goto fail_frontend0;
	}

	/* register 2nd frontend */
	if (dvb->fe[1]) {
		result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]);
		if (result < 0) {
			printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
935
			       dev->name, result);
936 937
			goto fail_frontend1;
		}
938 939 940 941 942 943 944 945 946
	}

	/* register demux stuff */
	dvb->demux.dmx.capabilities =
		DMX_TS_FILTERING | DMX_SECTION_FILTERING |
		DMX_MEMORY_BASED_FILTERING;
	dvb->demux.priv       = dvb;
	dvb->demux.filternum  = 256;
	dvb->demux.feednum    = 256;
947 948
	dvb->demux.start_feed = em28xx_start_feed;
	dvb->demux.stop_feed  = em28xx_stop_feed;
949

950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965
	result = dvb_dmx_init(&dvb->demux);
	if (result < 0) {
		printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
		       dev->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_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
		       dev->name, result);
		goto fail_dmxdev;
	}
966

967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002
	dvb->fe_hw.source = DMX_FRONTEND_0;
	result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	if (result < 0) {
		printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
		       dev->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_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
		       dev->name, result);
		goto fail_fe_mem;
	}

	result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
	if (result < 0) {
		printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n",
		       dev->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:
1003 1004 1005 1006 1007 1008 1009 1010
	if (dvb->fe[1])
		dvb_unregister_frontend(dvb->fe[1]);
	dvb_unregister_frontend(dvb->fe[0]);
fail_frontend1:
	if (dvb->fe[1])
		dvb_frontend_detach(dvb->fe[1]);
fail_frontend0:
	dvb_frontend_detach(dvb->fe[0]);
1011 1012 1013 1014 1015
	dvb_unregister_adapter(&dvb->adapter);
fail_adapter:
	return result;
}

1016
static void em28xx_unregister_dvb(struct em28xx_dvb *dvb)
1017 1018 1019 1020 1021 1022
{
	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);
1023 1024 1025
	if (dvb->fe[1])
		dvb_unregister_frontend(dvb->fe[1]);
	dvb_unregister_frontend(dvb->fe[0]);
1026
	if (dvb->fe[1] && !dvb->dont_attach_fe1)
1027 1028
		dvb_frontend_detach(dvb->fe[1]);
	dvb_frontend_detach(dvb->fe[0]);
1029 1030 1031
	dvb_unregister_adapter(&dvb->adapter);
}

1032
static int em28xx_dvb_init(struct em28xx *dev)
1033
{
1034
	int result = 0;
1035 1036
	struct em28xx_dvb *dvb;

1037 1038 1039 1040 1041
	if (dev->is_audio_only) {
		/* Shouldn't initialize IR for this interface */
		return 0;
	}

1042
	if (!dev->board.has_dvb) {
1043 1044 1045 1046
		/* This device does not support the extension */
		return 0;
	}

1047 1048
	em28xx_info("Binding DVB extension\n");

1049
	dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
1050
	if (dvb == NULL) {
1051
		em28xx_info("em28xx_dvb: memory allocation failed\n");
1052 1053 1054
		return -ENOMEM;
	}
	dev->dvb = dvb;
1055
	dvb->fe[0] = dvb->fe[1] = NULL;
1056

1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077
	/* pre-allocate DVB usb transfer buffers */
	if (dev->dvb_xfer_bulk) {
		result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE,
					   dev->dvb_xfer_bulk,
					   EM28XX_DVB_NUM_BUFS,
					   512,
					   EM28XX_DVB_BULK_PACKET_MULTIPLIER);
	} else {
		result = em28xx_alloc_urbs(dev, EM28XX_DIGITAL_MODE,
					   dev->dvb_xfer_bulk,
					   EM28XX_DVB_NUM_BUFS,
					   dev->dvb_max_pkt_size_isoc,
					   EM28XX_DVB_NUM_ISOC_PACKETS);
	}
	if (result) {
		em28xx_errdev("em28xx_dvb: failed to pre-allocate USB transfer buffers for DVB.\n");
		kfree(dvb);
		dev->dvb = NULL;
		return result;
	}

1078
	mutex_lock(&dev->lock);
1079
	em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
1080 1081
	/* init frontend */
	switch (dev->model) {
1082
	case EM2874_BOARD_LEADERSHIP_ISDBT:
1083
		dvb->fe[0] = dvb_attach(s921_attach,
1084
				&sharp_isdbt, &dev->i2c_adap[dev->def_i2c_bus]);
1085

1086
		if (!dvb->fe[0]) {
1087 1088 1089 1090 1091
			result = -EINVAL;
			goto out_free;
		}

		break;
1092
	case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
1093
	case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
1094
	case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
1095
	case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
1096
		dvb->fe[0] = dvb_attach(lgdt330x_attach,
1097
					   &em2880_lgdt3303_dev,
1098
					   &dev->i2c_adap[dev->def_i2c_bus]);
1099
		if (em28xx_attach_xc3028(0x61, dev) < 0) {
1100 1101 1102
			result = -EINVAL;
			goto out_free;
		}
1103
		break;
1104
	case EM2880_BOARD_KWORLD_DVB_310U:
1105
		dvb->fe[0] = dvb_attach(zl10353_attach,
1106
					   &em28xx_zl10353_with_xc3028,
1107
					   &dev->i2c_adap[dev->def_i2c_bus]);
1108
		if (em28xx_attach_xc3028(0x61, dev) < 0) {
1109 1110 1111
			result = -EINVAL;
			goto out_free;
		}
1112
		break;
1113
	case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
1114
	case EM2882_BOARD_TERRATEC_HYBRID_XS:
1115
	case EM2880_BOARD_EMPIRE_DUAL_TV:
1116
		dvb->fe[0] = dvb_attach(zl10353_attach,
1117
					   &em28xx_zl10353_xc3028_no_i2c_gate,
1118
					   &dev->i2c_adap[dev->def_i2c_bus]);
1119
		if (em28xx_attach_xc3028(0x61, dev) < 0) {
1120 1121 1122 1123
			result = -EINVAL;
			goto out_free;
		}
		break;
1124
	case EM2880_BOARD_TERRATEC_HYBRID_XS:
1125
	case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
1126
	case EM2881_BOARD_PINNACLE_HYBRID_PRO:
1127
	case EM2882_BOARD_DIKOM_DK300:
1128
	case EM2882_BOARD_KWORLD_VS_DVBT:
1129
		dvb->fe[0] = dvb_attach(zl10353_attach,
1130
					   &em28xx_zl10353_xc3028_no_i2c_gate,
1131
					   &dev->i2c_adap[dev->def_i2c_bus]);
1132
		if (dvb->fe[0] == NULL) {
1133 1134
			/* This board could have either a zl10353 or a mt352.
			   If the chip id isn't for zl10353, try mt352 */
1135
			dvb->fe[0] = dvb_attach(mt352_attach,
1136
						   &terratec_xs_mt352_cfg,
1137
						   &dev->i2c_adap[dev->def_i2c_bus]);
1138
		}
1139

1140
		if (em28xx_attach_xc3028(0x61, dev) < 0) {
1141 1142 1143 1144
			result = -EINVAL;
			goto out_free;
		}
		break;
A
Aivar Päkk 已提交
1145 1146 1147
	case EM2870_BOARD_KWORLD_355U:
		dvb->fe[0] = dvb_attach(zl10353_attach,
					   &em28xx_zl10353_no_i2c_gate_dev,
1148
					   &dev->i2c_adap[dev->def_i2c_bus]);
A
Aivar Päkk 已提交
1149 1150
		if (dvb->fe[0] != NULL)
			dvb_attach(qt1010_attach, dvb->fe[0],
1151
				   &dev->i2c_adap[dev->def_i2c_bus], &em28xx_qt1010_config);
A
Aivar Päkk 已提交
1152
		break;
1153
	case EM2883_BOARD_KWORLD_HYBRID_330U:
1154
	case EM2882_BOARD_EVGA_INDTUBE:
1155
		dvb->fe[0] = dvb_attach(s5h1409_attach,
1156
					   &em28xx_s5h1409_with_xc3028,
1157
					   &dev->i2c_adap[dev->def_i2c_bus]);
1158
		if (em28xx_attach_xc3028(0x61, dev) < 0) {
1159 1160 1161 1162
			result = -EINVAL;
			goto out_free;
		}
		break;
1163
	case EM2882_BOARD_KWORLD_ATSC_315U:
1164
		dvb->fe[0] = dvb_attach(lgdt330x_attach,
1165
					   &em2880_lgdt3303_dev,
1166
					   &dev->i2c_adap[dev->def_i2c_bus]);
1167 1168
		if (dvb->fe[0] != NULL) {
			if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1169 1170
					&dev->i2c_adap[dev->def_i2c_bus],
					0x61, TUNER_THOMSON_DTT761X)) {
1171 1172 1173 1174 1175
				result = -EINVAL;
				goto out_free;
			}
		}
		break;
1176
	case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
1177
	case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
1178
		dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
1179
					   &dev->i2c_adap[dev->def_i2c_bus], &dev->udev->dev);
1180
		if (em28xx_attach_xc3028(0x61, dev) < 0) {
1181 1182 1183 1184
			result = -EINVAL;
			goto out_free;
		}
		break;
1185 1186
	case EM2870_BOARD_REDDO_DVB_C_USB_BOX:
		/* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */
1187
		dvb->fe[0] = dvb_attach(tda10023_attach,
1188
			&em28xx_tda10023_config,
1189
			&dev->i2c_adap[dev->def_i2c_bus], 0x48);
1190 1191
		if (dvb->fe[0]) {
			if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1192 1193
					&dev->i2c_adap[dev->def_i2c_bus],
					0x60, TUNER_PHILIPS_CU1216L)) {
1194 1195 1196 1197 1198
				result = -EINVAL;
				goto out_free;
			}
		}
		break;
1199
	case EM2870_BOARD_KWORLD_A340:
1200
		dvb->fe[0] = dvb_attach(lgdt3305_attach,
1201
					   &em2870_lgdt3304_dev,
1202
					   &dev->i2c_adap[dev->def_i2c_bus]);
1203 1204 1205 1206 1207
		if (!dvb->fe[0]) {
			result = -EINVAL;
			goto out_free;
		}
		if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1208
				&dev->i2c_adap[dev->def_i2c_bus],
1209 1210 1211 1212 1213
			&kworld_a340_config)) {
				dvb_frontend_detach(dvb->fe[0]);
				result = -EINVAL;
				goto out_free;
		}
1214
		break;
1215
	case EM28174_BOARD_PCTV_290E:
1216 1217 1218
		/* set default GPIO0 for LNA, used if GPIOLIB is undefined */
		dvb->lna_gpio = CXD2820R_GPIO_E | CXD2820R_GPIO_O |
				CXD2820R_GPIO_L;
1219
		dvb->fe[0] = dvb_attach(cxd2820r_attach,
1220
					&em28xx_cxd2820r_config,
1221
					&dev->i2c_adap[dev->def_i2c_bus],
1222
					&dvb->lna_gpio);
1223 1224
		if (dvb->fe[0]) {
			/* FE 0 attach tuner */
1225 1226 1227
			if (!dvb_attach(tda18271_attach,
					dvb->fe[0],
					0x60,
1228
					&dev->i2c_adap[dev->def_i2c_bus],
1229 1230
					&em28xx_cxd2820r_tda18271_config)) {

1231 1232 1233 1234
				dvb_frontend_detach(dvb->fe[0]);
				result = -EINVAL;
				goto out_free;
			}
1235

1236
#ifdef CONFIG_GPIOLIB
1237 1238
			/* enable LNA for DVB-T, DVB-T2 and DVB-C */
			result = gpio_request_one(dvb->lna_gpio,
1239
						  GPIOF_OUT_INIT_LOW, NULL);
1240 1241
			if (result)
				em28xx_errdev("gpio request failed %d\n",
1242
					      result);
1243 1244 1245 1246
			else
				gpio_free(dvb->lna_gpio);

			result = 0; /* continue even set LNA fails */
1247
#endif
1248 1249 1250
			dvb->fe[0]->ops.set_lna = em28xx_pctv_290e_set_lna;
		}

1251 1252
		break;
	case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C:
1253 1254
	{
		struct xc5000_config cfg;
1255

1256 1257
		hauppauge_hvr930c_init(dev);

1258
		dvb->fe[0] = dvb_attach(drxk_attach,
1259
					&hauppauge_930c_drxk, &dev->i2c_adap[dev->def_i2c_bus]);
1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272
		if (!dvb->fe[0]) {
			result = -EINVAL;
			goto out_free;
		}
		/* FIXME: do we need a pll semaphore? */
		dvb->fe[0]->sec_priv = dvb;
		sema_init(&dvb->pll_mutex, 1);
		dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
		dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;

		/* Attach xc5000 */
		memset(&cfg, 0, sizeof(cfg));
		cfg.i2c_address  = 0x61;
1273
		cfg.if_khz = 4000;
1274 1275 1276

		if (dvb->fe[0]->ops.i2c_gate_ctrl)
			dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1277
		if (!dvb_attach(xc5000_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus],
1278
				&cfg)) {
1279 1280 1281 1282 1283 1284
			result = -EINVAL;
			goto out_free;
		}
		if (dvb->fe[0]->ops.i2c_gate_ctrl)
			dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);

1285
		break;
1286
	}
1287 1288 1289
	case EM2884_BOARD_TERRATEC_H5:
		terratec_h5_init(dev);

1290
		dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap[dev->def_i2c_bus]);
1291
		if (!dvb->fe[0]) {
1292 1293 1294 1295 1296 1297 1298 1299 1300
			result = -EINVAL;
			goto out_free;
		}
		/* FIXME: do we need a pll semaphore? */
		dvb->fe[0]->sec_priv = dvb;
		sema_init(&dvb->pll_mutex, 1);
		dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;
		dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;

1301
		/* Attach tda18271 to DVB-C frontend */
1302 1303
		if (dvb->fe[0]->ops.i2c_gate_ctrl)
			dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1304
		if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], 0x60)) {
1305 1306 1307 1308 1309
			result = -EINVAL;
			goto out_free;
		}
		if (dvb->fe[0]->ops.i2c_gate_ctrl)
			dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
1310

1311
		break;
1312 1313 1314 1315 1316 1317 1318 1319 1320
	case EM2884_BOARD_C3TECH_DIGITAL_DUO:
		dvb->fe[0] = dvb_attach(mb86a20s_attach,
					   &c3tech_duo_mb86a20s_config,
					   &dev->i2c_adap[dev->def_i2c_bus]);
		if (dvb->fe[0] != NULL)
			dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
				   &dev->i2c_adap[dev->def_i2c_bus],
				   &c3tech_duo_tda18271_config);
		break;
1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349
	case EM28174_BOARD_PCTV_460E: {
		struct i2c_client *client;
		struct i2c_board_info board_info;
		struct tda10071_platform_data tda10071_pdata = {};
		struct a8293_platform_data a8293_pdata = {};

		/* attach demod + tuner combo */
		tda10071_pdata.clk = 40444000, /* 40.444 MHz */
		tda10071_pdata.i2c_wr_max = 64,
		tda10071_pdata.ts_mode = TDA10071_TS_SERIAL,
		tda10071_pdata.pll_multiplier = 20,
		tda10071_pdata.tuner_i2c_addr = 0x14,
		memset(&board_info, 0, sizeof(board_info));
		strlcpy(board_info.type, "tda10071_cx24118", I2C_NAME_SIZE);
		board_info.addr = 0x55;
		board_info.platform_data = &tda10071_pdata;
		request_module("tda10071");
		client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info);
		if (client == NULL || client->dev.driver == NULL) {
			result = -ENODEV;
			goto out_free;
		}
		if (!try_module_get(client->dev.driver->owner)) {
			i2c_unregister_device(client);
			result = -ENODEV;
			goto out_free;
		}
		dvb->fe[0] = tda10071_pdata.get_dvb_frontend(client);
		dvb->i2c_client_demod = client;
1350 1351

		/* attach SEC */
1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372
		a8293_pdata.dvb_frontend = dvb->fe[0];
		memset(&board_info, 0, sizeof(board_info));
		strlcpy(board_info.type, "a8293", I2C_NAME_SIZE);
		board_info.addr = 0x08;
		board_info.platform_data = &a8293_pdata;
		request_module("a8293");
		client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info);
		if (client == NULL || client->dev.driver == NULL) {
			module_put(dvb->i2c_client_demod->dev.driver->owner);
			i2c_unregister_device(dvb->i2c_client_demod);
			result = -ENODEV;
			goto out_free;
		}
		if (!try_module_get(client->dev.driver->owner)) {
			i2c_unregister_device(client);
			module_put(dvb->i2c_client_demod->dev.driver->owner);
			i2c_unregister_device(dvb->i2c_client_demod);
			result = -ENODEV;
			goto out_free;
		}
		dvb->i2c_client_sec = client;
1373
		break;
1374
	}
1375
	case EM2874_BOARD_DELOCK_61959:
1376 1377 1378
	case EM2874_BOARD_MAXMEDIA_UB425_TC:
		/* attach demodulator */
		dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk,
1379
				&dev->i2c_adap[dev->def_i2c_bus]);
1380 1381 1382 1383 1384 1385

		if (dvb->fe[0]) {
			/* disable I2C-gate */
			dvb->fe[0]->ops.i2c_gate_ctrl = NULL;

			/* attach tuner */
1386 1387 1388
			if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
					&dev->i2c_adap[dev->def_i2c_bus],
					&em28xx_cxd2820r_tda18271_config)) {
1389 1390 1391 1392 1393
				dvb_frontend_detach(dvb->fe[0]);
				result = -EINVAL;
				goto out_free;
			}
		}
1394
		break;
1395 1396 1397 1398
	case EM2884_BOARD_PCTV_510E:
	case EM2884_BOARD_PCTV_520E:
		pctv_520e_init(dev);

1399 1400
		/* attach demodulator */
		dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk,
1401
				&dev->i2c_adap[dev->def_i2c_bus]);
1402 1403 1404 1405

		if (dvb->fe[0]) {
			/* attach tuner */
			if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1406
					&dev->i2c_adap[dev->def_i2c_bus],
1407 1408 1409 1410 1411 1412
					&em28xx_cxd2820r_tda18271_config)) {
				dvb_frontend_detach(dvb->fe[0]);
				result = -EINVAL;
				goto out_free;
			}
		}
1413
		break;
1414
	case EM2884_BOARD_ELGATO_EYETV_HYBRID_2008:
1415 1416 1417
	case EM2884_BOARD_CINERGY_HTC_STICK:
		terratec_htc_stick_init(dev);

1418 1419
		/* attach demodulator */
		dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
1420
					&dev->i2c_adap[dev->def_i2c_bus]);
1421 1422 1423 1424 1425 1426 1427
		if (!dvb->fe[0]) {
			result = -EINVAL;
			goto out_free;
		}

		/* Attach the demodulator. */
		if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1428
				&dev->i2c_adap[dev->def_i2c_bus],
1429 1430 1431 1432 1433 1434 1435 1436
				&em28xx_cxd2820r_tda18271_config)) {
			result = -EINVAL;
			goto out_free;
		}
		break;
	case EM2884_BOARD_TERRATEC_HTC_USB_XS:
		terratec_htc_usb_xs_init(dev);

1437 1438
		/* attach demodulator */
		dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
1439
					&dev->i2c_adap[dev->def_i2c_bus]);
1440 1441 1442 1443 1444 1445 1446
		if (!dvb->fe[0]) {
			result = -EINVAL;
			goto out_free;
		}

		/* Attach the demodulator. */
		if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1447
				&dev->i2c_adap[dev->def_i2c_bus],
1448 1449 1450 1451 1452
				&em28xx_cxd2820r_tda18271_config)) {
			result = -EINVAL;
			goto out_free;
		}
		break;
1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469
	case EM2874_BOARD_KWORLD_UB435Q_V2:
		dvb->fe[0] = dvb_attach(lgdt3305_attach,
					&em2874_lgdt3305_dev,
					&dev->i2c_adap[dev->def_i2c_bus]);
		if (!dvb->fe[0]) {
			result = -EINVAL;
			goto out_free;
		}

		/* Attach the demodulator. */
		if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
				&dev->i2c_adap[dev->def_i2c_bus],
				&kworld_ub435q_v2_config)) {
			result = -EINVAL;
			goto out_free;
		}
		break;
1470
	case EM2874_BOARD_KWORLD_UB435Q_V3:
1471 1472 1473 1474 1475 1476 1477 1478 1479
	{
		struct i2c_client *client;
		struct i2c_adapter *adapter = &dev->i2c_adap[dev->def_i2c_bus];
		struct i2c_board_info board_info = {
			.type = "tda18212",
			.addr = 0x60,
			.platform_data = &kworld_ub435q_v3_config,
		};

1480 1481 1482 1483 1484 1485 1486 1487
		dvb->fe[0] = dvb_attach(lgdt3305_attach,
					&em2874_lgdt3305_nogate_dev,
					&dev->i2c_adap[dev->def_i2c_bus]);
		if (!dvb->fe[0]) {
			result = -EINVAL;
			goto out_free;
		}

1488 1489 1490 1491 1492 1493 1494
		/* attach tuner */
		kworld_ub435q_v3_config.fe = dvb->fe[0];
		request_module("tda18212");
		client = i2c_new_device(adapter, &board_info);
		if (client == NULL || client->dev.driver == NULL) {
			dvb_frontend_detach(dvb->fe[0]);
			result = -ENODEV;
1495 1496
			goto out_free;
		}
1497 1498 1499 1500 1501 1502 1503 1504 1505

		if (!try_module_get(client->dev.driver->owner)) {
			i2c_unregister_device(client);
			dvb_frontend_detach(dvb->fe[0]);
			result = -ENODEV;
			goto out_free;
		}

		dvb->i2c_client_tuner = client;
1506
		break;
1507
	}
1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519
	case EM2874_BOARD_PCTV_HD_MINI_80E:
		dvb->fe[0] = dvb_attach(drx39xxj_attach, &dev->i2c_adap[dev->def_i2c_bus]);
		if (dvb->fe[0] != NULL) {
			dvb->fe[0] = dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
						&dev->i2c_adap[dev->def_i2c_bus],
						&pinnacle_80e_dvb_config);
			if (!dvb->fe[0]) {
				result = -EINVAL;
				goto out_free;
			}
		}
		break;
1520 1521 1522 1523 1524 1525 1526
	case EM28178_BOARD_PCTV_461E: {
		struct i2c_client *client;
		struct i2c_adapter *i2c_adapter;
		struct i2c_board_info board_info;
		struct m88ds3103_platform_data m88ds3103_pdata = {};
		struct ts2020_config ts2020_config = {};
		struct a8293_platform_data a8293_pdata = {};
1527

1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552
		/* attach demod */
		m88ds3103_pdata.clk = 27000000;
		m88ds3103_pdata.i2c_wr_max = 33;
		m88ds3103_pdata.ts_mode = M88DS3103_TS_PARALLEL;
		m88ds3103_pdata.ts_clk = 16000;
		m88ds3103_pdata.ts_clk_pol = 1;
		m88ds3103_pdata.agc = 0x99;
		memset(&board_info, 0, sizeof(board_info));
		strlcpy(board_info.type, "m88ds3103", I2C_NAME_SIZE);
		board_info.addr = 0x68;
		board_info.platform_data = &m88ds3103_pdata;
		request_module("m88ds3103");
		client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info);
		if (client == NULL || client->dev.driver == NULL) {
			result = -ENODEV;
			goto out_free;
		}
		if (!try_module_get(client->dev.driver->owner)) {
			i2c_unregister_device(client);
			result = -ENODEV;
			goto out_free;
		}
		dvb->fe[0] = m88ds3103_pdata.get_dvb_frontend(client);
		i2c_adapter = m88ds3103_pdata.get_i2c_adapter(client);
		dvb->i2c_client_demod = client;
1553

1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578
		/* attach tuner */
		ts2020_config.fe = dvb->fe[0];
		memset(&board_info, 0, sizeof(board_info));
		strlcpy(board_info.type, "ts2022", I2C_NAME_SIZE);
		board_info.addr = 0x60;
		board_info.platform_data = &ts2020_config;
		request_module("ts2020");
		client = i2c_new_device(i2c_adapter, &board_info);
		if (client == NULL || client->dev.driver == NULL) {
			module_put(dvb->i2c_client_demod->dev.driver->owner);
			i2c_unregister_device(dvb->i2c_client_demod);
			result = -ENODEV;
			goto out_free;
		}
		if (!try_module_get(client->dev.driver->owner)) {
			i2c_unregister_device(client);
			module_put(dvb->i2c_client_demod->dev.driver->owner);
			i2c_unregister_device(dvb->i2c_client_demod);
			result = -ENODEV;
			goto out_free;
		}
		dvb->i2c_client_tuner = client;
		/* delegate signal strength measurement to tuner */
		dvb->fe[0]->ops.read_signal_strength =
				dvb->fe[0]->ops.tuner_ops.get_rf_strength;
1579

1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594
		/* attach SEC */
		a8293_pdata.dvb_frontend = dvb->fe[0];
		memset(&board_info, 0, sizeof(board_info));
		strlcpy(board_info.type, "a8293", I2C_NAME_SIZE);
		board_info.addr = 0x08;
		board_info.platform_data = &a8293_pdata;
		request_module("a8293");
		client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &board_info);
		if (client == NULL || client->dev.driver == NULL) {
			module_put(dvb->i2c_client_tuner->dev.driver->owner);
			i2c_unregister_device(dvb->i2c_client_tuner);
			module_put(dvb->i2c_client_demod->dev.driver->owner);
			i2c_unregister_device(dvb->i2c_client_demod);
			result = -ENODEV;
			goto out_free;
1595
		}
1596 1597 1598 1599 1600 1601 1602 1603 1604 1605
		if (!try_module_get(client->dev.driver->owner)) {
			i2c_unregister_device(client);
			module_put(dvb->i2c_client_tuner->dev.driver->owner);
			i2c_unregister_device(dvb->i2c_client_tuner);
			module_put(dvb->i2c_client_demod->dev.driver->owner);
			i2c_unregister_device(dvb->i2c_client_demod);
			result = -ENODEV;
			goto out_free;
		}
		dvb->i2c_client_sec = client;
1606
		break;
1607
	}
1608 1609 1610 1611 1612 1613 1614 1615 1616
	case EM28178_BOARD_PCTV_292E:
		{
			struct i2c_adapter *adapter;
			struct i2c_client *client;
			struct i2c_board_info info;
			struct si2168_config si2168_config;
			struct si2157_config si2157_config;

			/* attach demod */
1617
			memset(&si2168_config, 0, sizeof(si2168_config));
1618 1619
			si2168_config.i2c_adapter = &adapter;
			si2168_config.fe = &dvb->fe[0];
1620
			si2168_config.ts_mode = SI2168_TS_PARALLEL;
1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640
			memset(&info, 0, sizeof(struct i2c_board_info));
			strlcpy(info.type, "si2168", I2C_NAME_SIZE);
			info.addr = 0x64;
			info.platform_data = &si2168_config;
			request_module(info.type);
			client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info);
			if (client == NULL || client->dev.driver == NULL) {
				result = -ENODEV;
				goto out_free;
			}

			if (!try_module_get(client->dev.driver->owner)) {
				i2c_unregister_device(client);
				result = -ENODEV;
				goto out_free;
			}

			dvb->i2c_client_demod = client;

			/* attach tuner */
1641
			memset(&si2157_config, 0, sizeof(si2157_config));
1642
			si2157_config.fe = dvb->fe[0];
1643
			si2157_config.if_port = 1;
1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665
			memset(&info, 0, sizeof(struct i2c_board_info));
			strlcpy(info.type, "si2157", I2C_NAME_SIZE);
			info.addr = 0x60;
			info.platform_data = &si2157_config;
			request_module(info.type);
			client = i2c_new_device(adapter, &info);
			if (client == NULL || client->dev.driver == NULL) {
				module_put(dvb->i2c_client_demod->dev.driver->owner);
				i2c_unregister_device(dvb->i2c_client_demod);
				result = -ENODEV;
				goto out_free;
			}

			if (!try_module_get(client->dev.driver->owner)) {
				i2c_unregister_device(client);
				module_put(dvb->i2c_client_demod->dev.driver->owner);
				i2c_unregister_device(dvb->i2c_client_demod);
				result = -ENODEV;
				goto out_free;
			}

			dvb->i2c_client_tuner = client;
1666
			dvb->fe[0]->ops.set_lna = em28xx_pctv_292e_set_lna;
1667 1668
		}
		break;
1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703
	case EM28178_BOARD_TERRATEC_T2_STICK_HD:
		{
			struct i2c_adapter *adapter;
			struct i2c_client *client;
			struct i2c_board_info info;
			struct si2168_config si2168_config;
			struct si2157_config si2157_config;

			/* attach demod */
			memset(&si2168_config, 0, sizeof(si2168_config));
			si2168_config.i2c_adapter = &adapter;
			si2168_config.fe = &dvb->fe[0];
			si2168_config.ts_mode = SI2168_TS_PARALLEL;
			memset(&info, 0, sizeof(struct i2c_board_info));
			strlcpy(info.type, "si2168", I2C_NAME_SIZE);
			info.addr = 0x64;
			info.platform_data = &si2168_config;
			request_module(info.type);
			client = i2c_new_device(&dev->i2c_adap[dev->def_i2c_bus], &info);
			if (client == NULL || client->dev.driver == NULL) {
				result = -ENODEV;
				goto out_free;
			}

			if (!try_module_get(client->dev.driver->owner)) {
				i2c_unregister_device(client);
				result = -ENODEV;
				goto out_free;
			}

			dvb->i2c_client_demod = client;

			/* attach tuner */
			memset(&si2157_config, 0, sizeof(si2157_config));
			si2157_config.fe = dvb->fe[0];
1704
			si2157_config.if_port = 0;
1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728
			memset(&info, 0, sizeof(struct i2c_board_info));
			strlcpy(info.type, "si2146", I2C_NAME_SIZE);
			info.addr = 0x60;
			info.platform_data = &si2157_config;
			request_module("si2157");
			client = i2c_new_device(adapter, &info);
			if (client == NULL || client->dev.driver == NULL) {
				module_put(dvb->i2c_client_demod->dev.driver->owner);
				i2c_unregister_device(dvb->i2c_client_demod);
				result = -ENODEV;
				goto out_free;
			}

			if (!try_module_get(client->dev.driver->owner)) {
				i2c_unregister_device(client);
				module_put(dvb->i2c_client_demod->dev.driver->owner);
				i2c_unregister_device(dvb->i2c_client_demod);
				result = -ENODEV;
				goto out_free;
			}

			dvb->i2c_client_tuner = client;
		}
		break;
1729
	default:
1730 1731
		em28xx_errdev("/2: The frontend of your DVB/ATSC card"
				" isn't supported yet\n");
1732 1733
		break;
	}
1734
	if (NULL == dvb->fe[0]) {
1735
		em28xx_errdev("/2: frontend initialization failed\n");
1736 1737
		result = -EINVAL;
		goto out_free;
1738
	}
1739
	/* define general-purpose callback pointer */
1740
	dvb->fe[0]->callback = em28xx_tuner_callback;
1741
	if (dvb->fe[1])
1742
		dvb->fe[1]->callback = em28xx_tuner_callback;
1743 1744

	/* register everything */
1745
	result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
1746

1747
	if (result < 0)
1748 1749
		goto out_free;

1750
	em28xx_info("DVB extension successfully initialized\n");
1751 1752 1753

	kref_get(&dev->ref);

1754 1755 1756 1757
ret:
	em28xx_set_mode(dev, EM28XX_SUSPEND);
	mutex_unlock(&dev->lock);
	return result;
1758 1759 1760 1761

out_free:
	kfree(dvb);
	dev->dvb = NULL;
1762
	goto ret;
1763 1764
}

1765 1766 1767 1768 1769 1770 1771
static inline void prevent_sleep(struct dvb_frontend_ops *ops)
{
	ops->set_voltage = NULL;
	ops->sleep = NULL;
	ops->tuner_ops.sleep = NULL;
}

1772
static int em28xx_dvb_fini(struct em28xx *dev)
1773
{
1774 1775 1776
	struct em28xx_dvb *dvb;
	struct i2c_client *client;

1777 1778 1779 1780 1781
	if (dev->is_audio_only) {
		/* Shouldn't initialize IR for this interface */
		return 0;
	}

1782
	if (!dev->board.has_dvb) {
1783 1784 1785 1786
		/* This device does not support the extension */
		return 0;
	}

1787 1788
	if (!dev->dvb)
		return 0;
1789

1790
	em28xx_info("Closing DVB extension\n");
1791

1792
	dvb = dev->dvb;
1793

1794
	em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE);
1795

1796 1797 1798
	if (dev->disconnected) {
		/* We cannot tell the device to sleep
		 * once it has been unplugged. */
1799
		if (dvb->fe[0]) {
1800
			prevent_sleep(&dvb->fe[0]->ops);
1801 1802 1803
			dvb->fe[0]->exit = DVB_FE_DEVICE_REMOVED;
		}
		if (dvb->fe[1]) {
1804
			prevent_sleep(&dvb->fe[1]->ops);
1805 1806
			dvb->fe[1]->exit = DVB_FE_DEVICE_REMOVED;
		}
1807
	}
1808

1809 1810 1811 1812 1813 1814 1815
	/* remove I2C SEC */
	client = dvb->i2c_client_sec;
	if (client) {
		module_put(client->dev.driver->owner);
		i2c_unregister_device(client);
	}

1816
	/* remove I2C tuner */
1817
	client = dvb->i2c_client_tuner;
1818 1819 1820
	if (client) {
		module_put(client->dev.driver->owner);
		i2c_unregister_device(client);
1821
	}
1822

1823 1824 1825 1826 1827 1828 1829
	/* remove I2C demod */
	client = dvb->i2c_client_demod;
	if (client) {
		module_put(client->dev.driver->owner);
		i2c_unregister_device(client);
	}

1830 1831 1832 1833 1834
	em28xx_unregister_dvb(dvb);
	kfree(dvb);
	dev->dvb = NULL;
	kref_put(&dev->ref, em28xx_free_device);

1835 1836 1837
	return 0;
}

1838 1839 1840 1841 1842 1843 1844 1845 1846 1847
static int em28xx_dvb_suspend(struct em28xx *dev)
{
	int ret = 0;

	if (dev->is_audio_only)
		return 0;

	if (!dev->board.has_dvb)
		return 0;

1848
	em28xx_info("Suspending DVB extension\n");
1849 1850 1851 1852 1853
	if (dev->dvb) {
		struct em28xx_dvb *dvb = dev->dvb;

		if (dvb->fe[0]) {
			ret = dvb_frontend_suspend(dvb->fe[0]);
1854
			em28xx_info("fe0 suspend %d\n", ret);
1855 1856 1857
		}
		if (dvb->fe[1]) {
			dvb_frontend_suspend(dvb->fe[1]);
1858
			em28xx_info("fe1 suspend %d\n", ret);
1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874
		}
	}

	return 0;
}

static int em28xx_dvb_resume(struct em28xx *dev)
{
	int ret = 0;

	if (dev->is_audio_only)
		return 0;

	if (!dev->board.has_dvb)
		return 0;

1875
	em28xx_info("Resuming DVB extension\n");
1876 1877 1878 1879 1880
	if (dev->dvb) {
		struct em28xx_dvb *dvb = dev->dvb;

		if (dvb->fe[0]) {
			ret = dvb_frontend_resume(dvb->fe[0]);
1881
			em28xx_info("fe0 resume %d\n", ret);
1882 1883 1884 1885
		}

		if (dvb->fe[1]) {
			ret = dvb_frontend_resume(dvb->fe[1]);
1886
			em28xx_info("fe1 resume %d\n", ret);
1887 1888 1889 1890 1891 1892
		}
	}

	return 0;
}

1893 1894 1895
static struct em28xx_ops dvb_ops = {
	.id   = EM28XX_DVB,
	.name = "Em28xx dvb Extension",
1896 1897
	.init = em28xx_dvb_init,
	.fini = em28xx_dvb_fini,
1898 1899
	.suspend = em28xx_dvb_suspend,
	.resume = em28xx_dvb_resume,
1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913
};

static int __init em28xx_dvb_register(void)
{
	return em28xx_register_extension(&dvb_ops);
}

static void __exit em28xx_dvb_unregister(void)
{
	em28xx_unregister_extension(&dvb_ops);
}

module_init(em28xx_dvb_register);
module_exit(em28xx_dvb_unregister);