em28xx-dvb.c 39.2 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 "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"
#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"
#include "m88ts2022.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 {			\
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_tuner;
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};


static inline void print_err_status(struct em28xx *dev,
				     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;
			}
			dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer,
					urb->actual_length);
		} 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;
			}
			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, 0, 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\n",
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		EM28XX_DVB_NUM_BUFS,
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		packet_multiplier,
		dvb_max_packet_size);
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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 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 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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	.load_firmware_sync = true,
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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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	.load_firmware_sync = true,
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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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	.load_firmware_sync = true,
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};

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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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	.load_firmware_sync = true,
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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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	.load_firmware_sync = true,
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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);

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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, terratec_h5_end);
};

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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[] = {
571
		{EM2820_R08_GPIO_CTRL,		0xff,	0xff,	10},
572 573 574
		{EM2874_R80_GPIO_P0_CTRL,	0xf6,	0xff,	100},
		{EM2874_R80_GPIO_P0_CTRL,	0xe6,	0xff,	50},
		{EM2874_R80_GPIO_P0_CTRL,	0xf6,	0xff,	100},
575
		{	-1,			-1,	-1,	-1},
576 577
	};
	struct em28xx_reg_seq terratec_htc_stick_end[] = {
578 579
		{EM2874_R80_GPIO_P0_CTRL,	0xb6,	0xff,	100},
		{EM2874_R80_GPIO_P0_CTRL,	0xf6,	0xff,	50},
580
		{	-1,			-1,	-1,	-1},
581 582
	};

583 584 585 586
	/*
	 * Init the analog decoder (not yet supported), but
	 * it's probably still a good idea.
	 */
587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604
	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);

605
	dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
606 607

	for (i = 0; i < ARRAY_SIZE(regs); i++)
608
		i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
609 610 611 612

	em28xx_gpio_set(dev, terratec_htc_stick_end);
};

613 614 615 616 617
static void terratec_htc_usb_xs_init(struct em28xx *dev)
{
	int i;

	struct em28xx_reg_seq terratec_htc_usb_xs_init[] = {
618
		{EM2820_R08_GPIO_CTRL,		0xff,	0xff,	10},
619 620 621
		{EM2874_R80_GPIO_P0_CTRL,	0xb2,	0xff,	100},
		{EM2874_R80_GPIO_P0_CTRL,	0xb2,	0xff,	50},
		{EM2874_R80_GPIO_P0_CTRL,	0xb6,	0xff,	100},
622
		{	-1,			-1,	-1,	-1},
623 624
	};
	struct em28xx_reg_seq terratec_htc_usb_xs_end[] = {
625 626 627
		{EM2874_R80_GPIO_P0_CTRL,	0xa6,	0xff,	100},
		{EM2874_R80_GPIO_P0_CTRL,	0xa6,	0xff,	50},
		{EM2874_R80_GPIO_P0_CTRL,	0xe6,	0xff,	100},
628
		{	-1,			-1,	-1,	-1},
629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662
	};

	/*
	 * 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);

663
	dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1;
664 665

	for (i = 0; i < ARRAY_SIZE(regs); i++)
666
		i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
667 668 669 670

	em28xx_gpio_set(dev, terratec_htc_usb_xs_end);
};

671 672 673
static void pctv_520e_init(struct em28xx *dev)
{
	/*
674 675
	 * Init AVF4910B analog decoder. Looks like I2C traffic to
	 * digital demodulator and tuner are routed via AVF4910B.
676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691
	 */
	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},
	};

692
	dev->i2c_client[dev->def_i2c_bus].addr = 0x82 >> 1; /* 0x41 */
693 694

	for (i = 0; i < ARRAY_SIZE(regs); i++)
695
		i2c_master_send(&dev->i2c_client[dev->def_i2c_bus], regs[i].r, regs[i].len);
696 697
};

698
static int em28xx_pctv_290e_set_lna(struct dvb_frontend *fe)
699
{
700
	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
701 702 703 704 705 706
	struct em28xx *dev = fe->dvb->priv;
#ifdef CONFIG_GPIOLIB
	struct em28xx_dvb *dvb = dev->dvb;
	int ret;
	unsigned long flags;

707 708
	if (c->lna == 1)
		flags = GPIOF_OUT_INIT_HIGH; /* enable LNA */
709
	else
710
		flags = GPIOF_OUT_INIT_LOW; /* disable LNA */
711 712 713 714 715 716 717 718 719

	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
720 721
	dev_warn(&dev->udev->dev, "%s: LNA control is disabled (lna=%u)\n",
			KBUILD_MODNAME, c->lna);
722 723 724 725
	return 0;
#endif
}

726
static int em28xx_mt352_terratec_xs_init(struct dvb_frontend *fe)
727 728 729 730 731 732 733 734 735 736 737
{
	/* 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 };
738
	static u8 tuner_go[]       = { TUNER_GO, 0x01};
739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757

	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,
758
	.demod_init = em28xx_mt352_terratec_xs_init,
759 760
};

761 762 763 764 765
static struct tda10023_config em28xx_tda10023_config = {
	.demod_address = 0x0c,
	.invert = 1,
};

766 767 768 769 770 771 772
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,
773
	.gate = TDA18271_GATE_DIGITAL,
774 775
};

776
static const struct tda10071_config em28xx_tda10071_config = {
777 778
	.demod_i2c_addr = 0x55, /* (0xaa >> 1) */
	.tuner_i2c_addr = 0x14,
779 780 781 782 783 784 785 786 787 788 789
	.i2c_wr_max = 64,
	.ts_mode = TDA10071_TS_SERIAL,
	.spec_inv = 0,
	.xtal = 40444000, /* 40.444 MHz */
	.pll_multiplier = 20,
};

static const struct a8293_config em28xx_a8293_config = {
	.i2c_addr = 0x08, /* (0x10 >> 1) */
};

A
Aivar Päkk 已提交
790 791 792 793 794 795 796 797
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,
};
static struct qt1010_config em28xx_qt1010_config = {
	.i2c_address = 0x62
798 799 800 801 802 803 804 805 806 807 808
};

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
809

810 811 812 813
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
814 815
};

816 817 818 819 820 821 822 823 824
static const struct m88ds3103_config pctv_461e_m88ds3103_config = {
	.i2c_addr = 0x68,
	.clock = 27000000,
	.i2c_wr_max = 33,
	.clock_out = 0,
	.ts_mode = M88DS3103_TS_PARALLEL_16,
	.agc = 0x99,
};

825 826
/* ------------------------------------------------------------------ */

827
static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev)
828 829
{
	struct dvb_frontend *fe;
830
	struct xc2028_config cfg;
831
	struct xc2028_ctrl ctl;
832

833
	memset(&cfg, 0, sizeof(cfg));
834
	cfg.i2c_adap  = &dev->i2c_adap[dev->def_i2c_bus];
835 836
	cfg.i2c_addr  = addr;

837 838 839 840
	memset(&ctl, 0, sizeof(ctl));
	em28xx_setup_xc3028(dev, &ctl);
	cfg.ctrl  = &ctl;

841
	if (!dev->dvb->fe[0]) {
842 843
		em28xx_errdev("/2: dvb frontend not attached. "
				"Can't attach xc3028\n");
844 845 846
		return -EINVAL;
	}

847
	fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
848
	if (!fe) {
849
		em28xx_errdev("/2: xc3028 attach failed\n");
850 851
		dvb_frontend_detach(dev->dvb->fe[0]);
		dev->dvb->fe[0] = NULL;
852 853 854
		return -EINVAL;
	}

855
	em28xx_info("%s/2: xc3028 attached\n", dev->name);
856 857 858 859

	return 0;
}

860 861
/* ------------------------------------------------------------------ */

862 863
static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
			       struct em28xx *dev, struct device *device)
864
{
865
	int result;
866

867
	mutex_init(&dvb->lock);
868

869 870 871 872 873 874 875 876
	/* 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;
	}
877 878

	/* Ensure all frontends negotiate bus access */
879 880 881
	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;
882

883
	dvb->adapter.priv = &dev->i2c_bus[dev->def_i2c_bus];
884 885

	/* register frontend */
886
	result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
887 888 889
	if (result < 0) {
		printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
		       dev->name, result);
890 891 892 893 894 895 896 897 898 899 900
		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",
				dev->name, result);
			goto fail_frontend1;
		}
901 902 903 904 905 906 907 908 909
	}

	/* 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;
910 911
	dvb->demux.start_feed = em28xx_start_feed;
	dvb->demux.stop_feed  = em28xx_stop_feed;
912

913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928
	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;
	}
929

930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965
	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:
966 967 968 969 970 971 972 973
	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]);
974 975 976 977 978
	dvb_unregister_adapter(&dvb->adapter);
fail_adapter:
	return result;
}

979
static void em28xx_unregister_dvb(struct em28xx_dvb *dvb)
980 981 982 983 984 985
{
	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);
986 987 988
	if (dvb->fe[1])
		dvb_unregister_frontend(dvb->fe[1]);
	dvb_unregister_frontend(dvb->fe[0]);
989
	if (dvb->fe[1] && !dvb->dont_attach_fe1)
990 991
		dvb_frontend_detach(dvb->fe[1]);
	dvb_frontend_detach(dvb->fe[0]);
992 993 994
	dvb_unregister_adapter(&dvb->adapter);
}

995
static int em28xx_dvb_init(struct em28xx *dev)
996
{
997
	int result = 0, mfe_shared = 0;
998 999
	struct em28xx_dvb *dvb;

1000 1001 1002 1003 1004
	if (dev->is_audio_only) {
		/* Shouldn't initialize IR for this interface */
		return 0;
	}

1005
	if (!dev->board.has_dvb) {
1006 1007 1008 1009
		/* This device does not support the extension */
		return 0;
	}

1010 1011
	em28xx_info("Binding DVB extension\n");

1012
	dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
1013 1014

	if (dvb == NULL) {
1015
		em28xx_info("em28xx_dvb: memory allocation failed\n");
1016 1017 1018
		return -ENOMEM;
	}
	dev->dvb = dvb;
1019
	dvb->fe[0] = dvb->fe[1] = NULL;
1020

1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041
	/* 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;
	}

1042
	mutex_lock(&dev->lock);
1043
	em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
1044 1045
	/* init frontend */
	switch (dev->model) {
1046
	case EM2874_BOARD_LEADERSHIP_ISDBT:
1047
		dvb->fe[0] = dvb_attach(s921_attach,
1048
				&sharp_isdbt, &dev->i2c_adap[dev->def_i2c_bus]);
1049

1050
		if (!dvb->fe[0]) {
1051 1052 1053 1054 1055
			result = -EINVAL;
			goto out_free;
		}

		break;
1056
	case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
1057
	case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
1058
	case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
1059
	case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
1060
		dvb->fe[0] = dvb_attach(lgdt330x_attach,
1061
					   &em2880_lgdt3303_dev,
1062
					   &dev->i2c_adap[dev->def_i2c_bus]);
1063
		if (em28xx_attach_xc3028(0x61, dev) < 0) {
1064 1065 1066
			result = -EINVAL;
			goto out_free;
		}
1067
		break;
1068
	case EM2880_BOARD_KWORLD_DVB_310U:
1069
		dvb->fe[0] = dvb_attach(zl10353_attach,
1070
					   &em28xx_zl10353_with_xc3028,
1071
					   &dev->i2c_adap[dev->def_i2c_bus]);
1072
		if (em28xx_attach_xc3028(0x61, dev) < 0) {
1073 1074 1075
			result = -EINVAL;
			goto out_free;
		}
1076
		break;
1077
	case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
1078
	case EM2882_BOARD_TERRATEC_HYBRID_XS:
1079
	case EM2880_BOARD_EMPIRE_DUAL_TV:
1080
		dvb->fe[0] = dvb_attach(zl10353_attach,
1081
					   &em28xx_zl10353_xc3028_no_i2c_gate,
1082
					   &dev->i2c_adap[dev->def_i2c_bus]);
1083
		if (em28xx_attach_xc3028(0x61, dev) < 0) {
1084 1085 1086 1087
			result = -EINVAL;
			goto out_free;
		}
		break;
1088
	case EM2880_BOARD_TERRATEC_HYBRID_XS:
1089
	case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
1090
	case EM2881_BOARD_PINNACLE_HYBRID_PRO:
1091
	case EM2882_BOARD_DIKOM_DK300:
1092
	case EM2882_BOARD_KWORLD_VS_DVBT:
1093
		dvb->fe[0] = dvb_attach(zl10353_attach,
1094
					   &em28xx_zl10353_xc3028_no_i2c_gate,
1095
					   &dev->i2c_adap[dev->def_i2c_bus]);
1096
		if (dvb->fe[0] == NULL) {
1097 1098
			/* This board could have either a zl10353 or a mt352.
			   If the chip id isn't for zl10353, try mt352 */
1099
			dvb->fe[0] = dvb_attach(mt352_attach,
1100
						   &terratec_xs_mt352_cfg,
1101
						   &dev->i2c_adap[dev->def_i2c_bus]);
1102
		}
1103

1104
		if (em28xx_attach_xc3028(0x61, dev) < 0) {
1105 1106 1107 1108
			result = -EINVAL;
			goto out_free;
		}
		break;
A
Aivar Päkk 已提交
1109 1110 1111
	case EM2870_BOARD_KWORLD_355U:
		dvb->fe[0] = dvb_attach(zl10353_attach,
					   &em28xx_zl10353_no_i2c_gate_dev,
1112
					   &dev->i2c_adap[dev->def_i2c_bus]);
A
Aivar Päkk 已提交
1113 1114
		if (dvb->fe[0] != NULL)
			dvb_attach(qt1010_attach, dvb->fe[0],
1115
				   &dev->i2c_adap[dev->def_i2c_bus], &em28xx_qt1010_config);
A
Aivar Päkk 已提交
1116
		break;
1117
	case EM2883_BOARD_KWORLD_HYBRID_330U:
1118
	case EM2882_BOARD_EVGA_INDTUBE:
1119
		dvb->fe[0] = dvb_attach(s5h1409_attach,
1120
					   &em28xx_s5h1409_with_xc3028,
1121
					   &dev->i2c_adap[dev->def_i2c_bus]);
1122
		if (em28xx_attach_xc3028(0x61, dev) < 0) {
1123 1124 1125 1126
			result = -EINVAL;
			goto out_free;
		}
		break;
1127
	case EM2882_BOARD_KWORLD_ATSC_315U:
1128
		dvb->fe[0] = dvb_attach(lgdt330x_attach,
1129
					   &em2880_lgdt3303_dev,
1130
					   &dev->i2c_adap[dev->def_i2c_bus]);
1131 1132
		if (dvb->fe[0] != NULL) {
			if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1133
				&dev->i2c_adap[dev->def_i2c_bus], 0x61, TUNER_THOMSON_DTT761X)) {
1134 1135 1136 1137 1138
				result = -EINVAL;
				goto out_free;
			}
		}
		break;
1139
	case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
1140
	case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
1141
		dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
1142
					   &dev->i2c_adap[dev->def_i2c_bus], &dev->udev->dev);
1143
		if (em28xx_attach_xc3028(0x61, dev) < 0) {
1144 1145 1146 1147
			result = -EINVAL;
			goto out_free;
		}
		break;
1148 1149
	case EM2870_BOARD_REDDO_DVB_C_USB_BOX:
		/* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */
1150
		dvb->fe[0] = dvb_attach(tda10023_attach,
1151
			&em28xx_tda10023_config,
1152
			&dev->i2c_adap[dev->def_i2c_bus], 0x48);
1153 1154
		if (dvb->fe[0]) {
			if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1155
				&dev->i2c_adap[dev->def_i2c_bus], 0x60, TUNER_PHILIPS_CU1216L)) {
1156 1157 1158 1159 1160
				result = -EINVAL;
				goto out_free;
			}
		}
		break;
1161
	case EM2870_BOARD_KWORLD_A340:
1162
		dvb->fe[0] = dvb_attach(lgdt3305_attach,
1163
					   &em2870_lgdt3304_dev,
1164
					   &dev->i2c_adap[dev->def_i2c_bus]);
1165 1166
		if (dvb->fe[0] != NULL)
			dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1167
				   &dev->i2c_adap[dev->def_i2c_bus], &kworld_a340_config);
1168
		break;
1169
	case EM28174_BOARD_PCTV_290E:
1170 1171 1172
		/* set default GPIO0 for LNA, used if GPIOLIB is undefined */
		dvb->lna_gpio = CXD2820R_GPIO_E | CXD2820R_GPIO_O |
				CXD2820R_GPIO_L;
1173
		dvb->fe[0] = dvb_attach(cxd2820r_attach,
1174
					&em28xx_cxd2820r_config,
1175
					&dev->i2c_adap[dev->def_i2c_bus],
1176
					&dvb->lna_gpio);
1177 1178
		if (dvb->fe[0]) {
			/* FE 0 attach tuner */
1179 1180 1181
			if (!dvb_attach(tda18271_attach,
					dvb->fe[0],
					0x60,
1182
					&dev->i2c_adap[dev->def_i2c_bus],
1183 1184
					&em28xx_cxd2820r_tda18271_config)) {

1185 1186 1187 1188
				dvb_frontend_detach(dvb->fe[0]);
				result = -EINVAL;
				goto out_free;
			}
1189

1190
#ifdef CONFIG_GPIOLIB
1191 1192 1193 1194 1195 1196 1197 1198 1199 1200
			/* enable LNA for DVB-T, DVB-T2 and DVB-C */
			result = gpio_request_one(dvb->lna_gpio,
					GPIOF_OUT_INIT_LOW, NULL);
			if (result)
				em28xx_errdev("gpio request failed %d\n",
						result);
			else
				gpio_free(dvb->lna_gpio);

			result = 0; /* continue even set LNA fails */
1201
#endif
1202 1203 1204
			dvb->fe[0]->ops.set_lna = em28xx_pctv_290e_set_lna;
		}

1205 1206
		break;
	case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C:
1207 1208
	{
		struct xc5000_config cfg;
1209 1210
		hauppauge_hvr930c_init(dev);

1211
		dvb->fe[0] = dvb_attach(drxk_attach,
1212
					&hauppauge_930c_drxk, &dev->i2c_adap[dev->def_i2c_bus]);
1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225
		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;
1226
		cfg.if_khz = 4000;
1227 1228 1229

		if (dvb->fe[0]->ops.i2c_gate_ctrl)
			dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1230
		if (!dvb_attach(xc5000_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus],
1231
				&cfg)) {
1232 1233 1234 1235 1236 1237
			result = -EINVAL;
			goto out_free;
		}
		if (dvb->fe[0]->ops.i2c_gate_ctrl)
			dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);

1238
		break;
1239
	}
1240 1241 1242
	case EM2884_BOARD_TERRATEC_H5:
		terratec_h5_init(dev);

1243
		dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap[dev->def_i2c_bus]);
1244
		if (!dvb->fe[0]) {
1245 1246 1247 1248 1249 1250 1251 1252 1253
			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;

1254
		/* Attach tda18271 to DVB-C frontend */
1255 1256
		if (dvb->fe[0]->ops.i2c_gate_ctrl)
			dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1257
		if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], 0x60)) {
1258 1259 1260 1261 1262
			result = -EINVAL;
			goto out_free;
		}
		if (dvb->fe[0]->ops.i2c_gate_ctrl)
			dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
1263

1264
		break;
1265 1266 1267 1268 1269 1270 1271 1272 1273
	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;
1274 1275 1276
	case EM28174_BOARD_PCTV_460E:
		/* attach demod */
		dvb->fe[0] = dvb_attach(tda10071_attach,
1277
			&em28xx_tda10071_config, &dev->i2c_adap[dev->def_i2c_bus]);
1278 1279 1280

		/* attach SEC */
		if (dvb->fe[0])
1281
			dvb_attach(a8293_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus],
1282 1283
				&em28xx_a8293_config);
		break;
1284
	case EM2874_BOARD_DELOCK_61959:
1285 1286 1287
	case EM2874_BOARD_MAXMEDIA_UB425_TC:
		/* attach demodulator */
		dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk,
1288
				&dev->i2c_adap[dev->def_i2c_bus]);
1289 1290 1291 1292 1293 1294

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

			/* attach tuner */
1295 1296 1297
			if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
					&dev->i2c_adap[dev->def_i2c_bus],
					&em28xx_cxd2820r_tda18271_config)) {
1298 1299 1300 1301 1302
				dvb_frontend_detach(dvb->fe[0]);
				result = -EINVAL;
				goto out_free;
			}
		}
1303
		break;
1304 1305 1306 1307
	case EM2884_BOARD_PCTV_510E:
	case EM2884_BOARD_PCTV_520E:
		pctv_520e_init(dev);

1308 1309
		/* attach demodulator */
		dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk,
1310
				&dev->i2c_adap[dev->def_i2c_bus]);
1311 1312 1313 1314

		if (dvb->fe[0]) {
			/* attach tuner */
			if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1315
					&dev->i2c_adap[dev->def_i2c_bus],
1316 1317 1318 1319 1320 1321
					&em28xx_cxd2820r_tda18271_config)) {
				dvb_frontend_detach(dvb->fe[0]);
				result = -EINVAL;
				goto out_free;
			}
		}
1322
		break;
1323 1324 1325
	case EM2884_BOARD_CINERGY_HTC_STICK:
		terratec_htc_stick_init(dev);

1326 1327
		/* attach demodulator */
		dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
1328
					&dev->i2c_adap[dev->def_i2c_bus]);
1329 1330 1331 1332 1333 1334 1335
		if (!dvb->fe[0]) {
			result = -EINVAL;
			goto out_free;
		}

		/* Attach the demodulator. */
		if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1336
				&dev->i2c_adap[dev->def_i2c_bus],
1337 1338 1339 1340 1341 1342 1343 1344
				&em28xx_cxd2820r_tda18271_config)) {
			result = -EINVAL;
			goto out_free;
		}
		break;
	case EM2884_BOARD_TERRATEC_HTC_USB_XS:
		terratec_htc_usb_xs_init(dev);

1345 1346
		/* attach demodulator */
		dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
1347
					&dev->i2c_adap[dev->def_i2c_bus]);
1348 1349 1350 1351 1352 1353 1354
		if (!dvb->fe[0]) {
			result = -EINVAL;
			goto out_free;
		}

		/* Attach the demodulator. */
		if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1355
				&dev->i2c_adap[dev->def_i2c_bus],
1356 1357 1358 1359 1360
				&em28xx_cxd2820r_tda18271_config)) {
			result = -EINVAL;
			goto out_free;
		}
		break;
1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377
	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;
1378 1379 1380 1381
	case EM28178_BOARD_PCTV_461E:
		{
			/* demod I2C adapter */
			struct i2c_adapter *i2c_adapter;
1382 1383 1384 1385 1386
			struct i2c_board_info info;
			struct m88ts2022_config m88ts2022_config = {
				.clock = 27000000,
			};
			memset(&info, 0, sizeof(struct i2c_board_info));
1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398

			/* attach demod */
			dvb->fe[0] = dvb_attach(m88ds3103_attach,
					&pctv_461e_m88ds3103_config,
					&dev->i2c_adap[dev->def_i2c_bus],
					&i2c_adapter);
			if (dvb->fe[0] == NULL) {
				result = -ENODEV;
				goto out_free;
			}

			/* attach tuner */
1399 1400 1401 1402 1403 1404
			m88ts2022_config.fe = dvb->fe[0];
			strlcpy(info.type, "m88ts2022", I2C_NAME_SIZE);
			info.addr = 0x60;
			info.platform_data = &m88ts2022_config;
			request_module("m88ts2022");
			dvb->i2c_client_tuner = i2c_new_device(i2c_adapter, &info);
1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419

			/* delegate signal strength measurement to tuner */
			dvb->fe[0]->ops.read_signal_strength =
					dvb->fe[0]->ops.tuner_ops.get_rf_strength;

			/* attach SEC */
			if (!dvb_attach(a8293_attach, dvb->fe[0],
					&dev->i2c_adap[dev->def_i2c_bus],
					&em28xx_a8293_config)) {
				dvb_frontend_detach(dvb->fe[0]);
				result = -ENODEV;
				goto out_free;
			}
		}
		break;
1420
	default:
1421 1422
		em28xx_errdev("/2: The frontend of your DVB/ATSC card"
				" isn't supported yet\n");
1423 1424
		break;
	}
1425
	if (NULL == dvb->fe[0]) {
1426
		em28xx_errdev("/2: frontend initialization failed\n");
1427 1428
		result = -EINVAL;
		goto out_free;
1429
	}
1430
	/* define general-purpose callback pointer */
1431
	dvb->fe[0]->callback = em28xx_tuner_callback;
1432
	if (dvb->fe[1])
1433
		dvb->fe[1]->callback = em28xx_tuner_callback;
1434 1435

	/* register everything */
1436
	result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
1437

1438
	if (result < 0)
1439 1440
		goto out_free;

1441 1442 1443
	/* MFE lock */
	dvb->adapter.mfe_shared = mfe_shared;

1444
	em28xx_info("DVB extension successfully initialized\n");
1445 1446 1447 1448
ret:
	em28xx_set_mode(dev, EM28XX_SUSPEND);
	mutex_unlock(&dev->lock);
	return result;
1449 1450 1451 1452

out_free:
	kfree(dvb);
	dev->dvb = NULL;
1453
	goto ret;
1454 1455
}

1456 1457 1458 1459 1460 1461 1462
static inline void prevent_sleep(struct dvb_frontend_ops *ops)
{
	ops->set_voltage = NULL;
	ops->sleep = NULL;
	ops->tuner_ops.sleep = NULL;
}

1463
static int em28xx_dvb_fini(struct em28xx *dev)
1464
{
1465 1466 1467 1468 1469
	if (dev->is_audio_only) {
		/* Shouldn't initialize IR for this interface */
		return 0;
	}

1470
	if (!dev->board.has_dvb) {
1471 1472 1473 1474
		/* This device does not support the extension */
		return 0;
	}

1475
	if (dev->dvb) {
1476 1477
		struct em28xx_dvb *dvb = dev->dvb;

1478 1479
		em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE);

1480
		if (dev->disconnected) {
1481 1482 1483 1484 1485 1486 1487 1488
			/* We cannot tell the device to sleep
			 * once it has been unplugged. */
			if (dvb->fe[0])
				prevent_sleep(&dvb->fe[0]->ops);
			if (dvb->fe[1])
				prevent_sleep(&dvb->fe[1]->ops);
		}

1489
		i2c_release_client(dvb->i2c_client_tuner);
1490 1491
		em28xx_unregister_dvb(dvb);
		kfree(dvb);
1492 1493
		dev->dvb = NULL;
	}
1494 1495 1496 1497 1498 1499 1500

	return 0;
}

static struct em28xx_ops dvb_ops = {
	.id   = EM28XX_DVB,
	.name = "Em28xx dvb Extension",
1501 1502
	.init = em28xx_dvb_init,
	.fini = em28xx_dvb_fini,
1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516
};

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);