em28xx-dvb.c 38.3 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 "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;
830 831
	struct xc2028_config cfg;

832
	memset(&cfg, 0, sizeof(cfg));
833
	cfg.i2c_adap  = &dev->i2c_adap[dev->def_i2c_bus];
834 835
	cfg.i2c_addr  = addr;

836
	if (!dev->dvb->fe[0]) {
837 838
		em28xx_errdev("/2: dvb frontend not attached. "
				"Can't attach xc3028\n");
839 840 841
		return -EINVAL;
	}

842
	fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
843
	if (!fe) {
844
		em28xx_errdev("/2: xc3028 attach failed\n");
845 846
		dvb_frontend_detach(dev->dvb->fe[0]);
		dev->dvb->fe[0] = NULL;
847 848 849
		return -EINVAL;
	}

850
	em28xx_info("%s/2: xc3028 attached\n", dev->name);
851 852 853 854

	return 0;
}

855 856
/* ------------------------------------------------------------------ */

857 858
static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
			       struct em28xx *dev, struct device *device)
859
{
860
	int result;
861

862
	mutex_init(&dvb->lock);
863

864 865 866 867 868 869 870 871
	/* 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;
	}
872 873

	/* Ensure all frontends negotiate bus access */
874 875 876
	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;
877

878
	dvb->adapter.priv = &dev->i2c_bus[dev->def_i2c_bus];
879 880

	/* register frontend */
881
	result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
882 883 884
	if (result < 0) {
		printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
		       dev->name, result);
885 886 887 888 889 890 891 892 893 894 895
		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;
		}
896 897 898 899 900 901 902 903 904
	}

	/* 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;
905 906
	dvb->demux.start_feed = em28xx_start_feed;
	dvb->demux.stop_feed  = em28xx_stop_feed;
907

908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923
	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;
	}
924

925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960
	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:
961 962 963 964 965 966 967 968
	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]);
969 970 971 972 973
	dvb_unregister_adapter(&dvb->adapter);
fail_adapter:
	return result;
}

974
static void em28xx_unregister_dvb(struct em28xx_dvb *dvb)
975 976 977 978 979 980
{
	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);
981 982 983
	if (dvb->fe[1])
		dvb_unregister_frontend(dvb->fe[1]);
	dvb_unregister_frontend(dvb->fe[0]);
984
	if (dvb->fe[1] && !dvb->dont_attach_fe1)
985 986
		dvb_frontend_detach(dvb->fe[1]);
	dvb_frontend_detach(dvb->fe[0]);
987 988 989
	dvb_unregister_adapter(&dvb->adapter);
}

990
static int em28xx_dvb_init(struct em28xx *dev)
991
{
992
	int result = 0, mfe_shared = 0;
993 994
	struct em28xx_dvb *dvb;

995
	if (!dev->board.has_dvb) {
996 997 998 999
		/* This device does not support the extension */
		return 0;
	}

1000 1001
	em28xx_info("Binding DVB extension\n");

1002
	dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
1003 1004

	if (dvb == NULL) {
1005
		em28xx_info("em28xx_dvb: memory allocation failed\n");
1006 1007 1008
		return -ENOMEM;
	}
	dev->dvb = dvb;
1009
	dvb->fe[0] = dvb->fe[1] = NULL;
1010

1011
	mutex_lock(&dev->lock);
1012
	em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
1013 1014
	/* init frontend */
	switch (dev->model) {
1015
	case EM2874_BOARD_LEADERSHIP_ISDBT:
1016
		dvb->fe[0] = dvb_attach(s921_attach,
1017
				&sharp_isdbt, &dev->i2c_adap[dev->def_i2c_bus]);
1018

1019
		if (!dvb->fe[0]) {
1020 1021 1022 1023 1024
			result = -EINVAL;
			goto out_free;
		}

		break;
1025
	case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
1026
	case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
1027
	case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
1028
	case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
1029
		dvb->fe[0] = dvb_attach(lgdt330x_attach,
1030
					   &em2880_lgdt3303_dev,
1031
					   &dev->i2c_adap[dev->def_i2c_bus]);
1032
		if (em28xx_attach_xc3028(0x61, dev) < 0) {
1033 1034 1035
			result = -EINVAL;
			goto out_free;
		}
1036
		break;
1037
	case EM2880_BOARD_KWORLD_DVB_310U:
1038
		dvb->fe[0] = dvb_attach(zl10353_attach,
1039
					   &em28xx_zl10353_with_xc3028,
1040
					   &dev->i2c_adap[dev->def_i2c_bus]);
1041
		if (em28xx_attach_xc3028(0x61, dev) < 0) {
1042 1043 1044
			result = -EINVAL;
			goto out_free;
		}
1045
		break;
1046
	case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
1047
	case EM2882_BOARD_TERRATEC_HYBRID_XS:
1048
	case EM2880_BOARD_EMPIRE_DUAL_TV:
1049
		dvb->fe[0] = dvb_attach(zl10353_attach,
1050
					   &em28xx_zl10353_xc3028_no_i2c_gate,
1051
					   &dev->i2c_adap[dev->def_i2c_bus]);
1052
		if (em28xx_attach_xc3028(0x61, dev) < 0) {
1053 1054 1055 1056
			result = -EINVAL;
			goto out_free;
		}
		break;
1057
	case EM2880_BOARD_TERRATEC_HYBRID_XS:
1058
	case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
1059
	case EM2881_BOARD_PINNACLE_HYBRID_PRO:
1060
	case EM2882_BOARD_DIKOM_DK300:
1061
	case EM2882_BOARD_KWORLD_VS_DVBT:
1062
		dvb->fe[0] = dvb_attach(zl10353_attach,
1063
					   &em28xx_zl10353_xc3028_no_i2c_gate,
1064
					   &dev->i2c_adap[dev->def_i2c_bus]);
1065
		if (dvb->fe[0] == NULL) {
1066 1067
			/* This board could have either a zl10353 or a mt352.
			   If the chip id isn't for zl10353, try mt352 */
1068
			dvb->fe[0] = dvb_attach(mt352_attach,
1069
						   &terratec_xs_mt352_cfg,
1070
						   &dev->i2c_adap[dev->def_i2c_bus]);
1071
		}
1072

1073
		if (em28xx_attach_xc3028(0x61, dev) < 0) {
1074 1075 1076 1077
			result = -EINVAL;
			goto out_free;
		}
		break;
A
Aivar Päkk 已提交
1078 1079 1080
	case EM2870_BOARD_KWORLD_355U:
		dvb->fe[0] = dvb_attach(zl10353_attach,
					   &em28xx_zl10353_no_i2c_gate_dev,
1081
					   &dev->i2c_adap[dev->def_i2c_bus]);
A
Aivar Päkk 已提交
1082 1083
		if (dvb->fe[0] != NULL)
			dvb_attach(qt1010_attach, dvb->fe[0],
1084
				   &dev->i2c_adap[dev->def_i2c_bus], &em28xx_qt1010_config);
A
Aivar Päkk 已提交
1085
		break;
1086
	case EM2883_BOARD_KWORLD_HYBRID_330U:
1087
	case EM2882_BOARD_EVGA_INDTUBE:
1088
		dvb->fe[0] = dvb_attach(s5h1409_attach,
1089
					   &em28xx_s5h1409_with_xc3028,
1090
					   &dev->i2c_adap[dev->def_i2c_bus]);
1091
		if (em28xx_attach_xc3028(0x61, dev) < 0) {
1092 1093 1094 1095
			result = -EINVAL;
			goto out_free;
		}
		break;
1096
	case EM2882_BOARD_KWORLD_ATSC_315U:
1097
		dvb->fe[0] = dvb_attach(lgdt330x_attach,
1098
					   &em2880_lgdt3303_dev,
1099
					   &dev->i2c_adap[dev->def_i2c_bus]);
1100 1101
		if (dvb->fe[0] != NULL) {
			if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1102
				&dev->i2c_adap[dev->def_i2c_bus], 0x61, TUNER_THOMSON_DTT761X)) {
1103 1104 1105 1106 1107
				result = -EINVAL;
				goto out_free;
			}
		}
		break;
1108
	case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
1109
	case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
1110
		dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
1111
					   &dev->i2c_adap[dev->def_i2c_bus], &dev->udev->dev);
1112
		if (em28xx_attach_xc3028(0x61, dev) < 0) {
1113 1114 1115 1116
			result = -EINVAL;
			goto out_free;
		}
		break;
1117 1118
	case EM2870_BOARD_REDDO_DVB_C_USB_BOX:
		/* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */
1119
		dvb->fe[0] = dvb_attach(tda10023_attach,
1120
			&em28xx_tda10023_config,
1121
			&dev->i2c_adap[dev->def_i2c_bus], 0x48);
1122 1123
		if (dvb->fe[0]) {
			if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
1124
				&dev->i2c_adap[dev->def_i2c_bus], 0x60, TUNER_PHILIPS_CU1216L)) {
1125 1126 1127 1128 1129
				result = -EINVAL;
				goto out_free;
			}
		}
		break;
1130
	case EM2870_BOARD_KWORLD_A340:
1131
		dvb->fe[0] = dvb_attach(lgdt3305_attach,
1132
					   &em2870_lgdt3304_dev,
1133
					   &dev->i2c_adap[dev->def_i2c_bus]);
1134 1135
		if (dvb->fe[0] != NULL)
			dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1136
				   &dev->i2c_adap[dev->def_i2c_bus], &kworld_a340_config);
1137
		break;
1138
	case EM28174_BOARD_PCTV_290E:
1139 1140 1141
		/* set default GPIO0 for LNA, used if GPIOLIB is undefined */
		dvb->lna_gpio = CXD2820R_GPIO_E | CXD2820R_GPIO_O |
				CXD2820R_GPIO_L;
1142
		dvb->fe[0] = dvb_attach(cxd2820r_attach,
1143
					&em28xx_cxd2820r_config,
1144
					&dev->i2c_adap[dev->def_i2c_bus],
1145
					&dvb->lna_gpio);
1146 1147
		if (dvb->fe[0]) {
			/* FE 0 attach tuner */
1148 1149 1150
			if (!dvb_attach(tda18271_attach,
					dvb->fe[0],
					0x60,
1151
					&dev->i2c_adap[dev->def_i2c_bus],
1152 1153
					&em28xx_cxd2820r_tda18271_config)) {

1154 1155 1156 1157
				dvb_frontend_detach(dvb->fe[0]);
				result = -EINVAL;
				goto out_free;
			}
1158

1159
#ifdef CONFIG_GPIOLIB
1160 1161 1162 1163 1164 1165 1166 1167 1168 1169
			/* 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 */
1170
#endif
1171 1172 1173
			dvb->fe[0]->ops.set_lna = em28xx_pctv_290e_set_lna;
		}

1174 1175
		break;
	case EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C:
1176 1177
	{
		struct xc5000_config cfg;
1178 1179
		hauppauge_hvr930c_init(dev);

1180
		dvb->fe[0] = dvb_attach(drxk_attach,
1181
					&hauppauge_930c_drxk, &dev->i2c_adap[dev->def_i2c_bus]);
1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194
		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;
1195
		cfg.if_khz = 4000;
1196 1197 1198

		if (dvb->fe[0]->ops.i2c_gate_ctrl)
			dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1199
		if (!dvb_attach(xc5000_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus],
1200
				&cfg)) {
1201 1202 1203 1204 1205 1206
			result = -EINVAL;
			goto out_free;
		}
		if (dvb->fe[0]->ops.i2c_gate_ctrl)
			dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);

1207
		break;
1208
	}
1209 1210 1211
	case EM2884_BOARD_TERRATEC_H5:
		terratec_h5_init(dev);

1212
		dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap[dev->def_i2c_bus]);
1213
		if (!dvb->fe[0]) {
1214 1215 1216 1217 1218 1219 1220 1221 1222
			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;

1223
		/* Attach tda18271 to DVB-C frontend */
1224 1225
		if (dvb->fe[0]->ops.i2c_gate_ctrl)
			dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);
1226
		if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], 0x60)) {
1227 1228 1229 1230 1231
			result = -EINVAL;
			goto out_free;
		}
		if (dvb->fe[0]->ops.i2c_gate_ctrl)
			dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);
1232

1233
		break;
1234 1235 1236 1237 1238 1239 1240 1241 1242
	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;
1243 1244 1245
	case EM28174_BOARD_PCTV_460E:
		/* attach demod */
		dvb->fe[0] = dvb_attach(tda10071_attach,
1246
			&em28xx_tda10071_config, &dev->i2c_adap[dev->def_i2c_bus]);
1247 1248 1249

		/* attach SEC */
		if (dvb->fe[0])
1250
			dvb_attach(a8293_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus],
1251 1252
				&em28xx_a8293_config);
		break;
1253
	case EM2874_BOARD_DELOCK_61959:
1254 1255 1256
	case EM2874_BOARD_MAXMEDIA_UB425_TC:
		/* attach demodulator */
		dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk,
1257
				&dev->i2c_adap[dev->def_i2c_bus]);
1258 1259 1260 1261 1262 1263

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

			/* attach tuner */
1264 1265 1266
			if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
					&dev->i2c_adap[dev->def_i2c_bus],
					&em28xx_cxd2820r_tda18271_config)) {
1267 1268 1269 1270 1271
				dvb_frontend_detach(dvb->fe[0]);
				result = -EINVAL;
				goto out_free;
			}
		}
1272
		break;
1273 1274 1275 1276
	case EM2884_BOARD_PCTV_510E:
	case EM2884_BOARD_PCTV_520E:
		pctv_520e_init(dev);

1277 1278
		/* attach demodulator */
		dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk,
1279
				&dev->i2c_adap[dev->def_i2c_bus]);
1280 1281 1282 1283

		if (dvb->fe[0]) {
			/* attach tuner */
			if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1284
					&dev->i2c_adap[dev->def_i2c_bus],
1285 1286 1287 1288 1289 1290
					&em28xx_cxd2820r_tda18271_config)) {
				dvb_frontend_detach(dvb->fe[0]);
				result = -EINVAL;
				goto out_free;
			}
		}
1291
		break;
1292 1293 1294
	case EM2884_BOARD_CINERGY_HTC_STICK:
		terratec_htc_stick_init(dev);

1295 1296
		/* attach demodulator */
		dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
1297
					&dev->i2c_adap[dev->def_i2c_bus]);
1298 1299 1300 1301 1302 1303 1304
		if (!dvb->fe[0]) {
			result = -EINVAL;
			goto out_free;
		}

		/* Attach the demodulator. */
		if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1305
				&dev->i2c_adap[dev->def_i2c_bus],
1306 1307 1308 1309 1310 1311 1312 1313
				&em28xx_cxd2820r_tda18271_config)) {
			result = -EINVAL;
			goto out_free;
		}
		break;
	case EM2884_BOARD_TERRATEC_HTC_USB_XS:
		terratec_htc_usb_xs_init(dev);

1314 1315
		/* attach demodulator */
		dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,
1316
					&dev->i2c_adap[dev->def_i2c_bus]);
1317 1318 1319 1320 1321 1322 1323
		if (!dvb->fe[0]) {
			result = -EINVAL;
			goto out_free;
		}

		/* Attach the demodulator. */
		if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
1324
				&dev->i2c_adap[dev->def_i2c_bus],
1325 1326 1327 1328 1329
				&em28xx_cxd2820r_tda18271_config)) {
			result = -EINVAL;
			goto out_free;
		}
		break;
1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346
	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;
1347 1348 1349 1350
	case EM28178_BOARD_PCTV_461E:
		{
			/* demod I2C adapter */
			struct i2c_adapter *i2c_adapter;
1351 1352 1353 1354 1355
			struct i2c_board_info info;
			struct m88ts2022_config m88ts2022_config = {
				.clock = 27000000,
			};
			memset(&info, 0, sizeof(struct i2c_board_info));
1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367

			/* 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 */
1368 1369 1370 1371 1372 1373
			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);
1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388

			/* 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;
1389
	default:
1390 1391
		em28xx_errdev("/2: The frontend of your DVB/ATSC card"
				" isn't supported yet\n");
1392 1393
		break;
	}
1394
	if (NULL == dvb->fe[0]) {
1395
		em28xx_errdev("/2: frontend initialization failed\n");
1396 1397
		result = -EINVAL;
		goto out_free;
1398
	}
1399
	/* define general-purpose callback pointer */
1400
	dvb->fe[0]->callback = em28xx_tuner_callback;
1401
	if (dvb->fe[1])
1402
		dvb->fe[1]->callback = em28xx_tuner_callback;
1403 1404

	/* register everything */
1405
	result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
1406

1407
	if (result < 0)
1408 1409
		goto out_free;

1410 1411 1412
	/* MFE lock */
	dvb->adapter.mfe_shared = mfe_shared;

1413
	em28xx_info("DVB extension successfully initialized\n");
1414 1415 1416 1417
ret:
	em28xx_set_mode(dev, EM28XX_SUSPEND);
	mutex_unlock(&dev->lock);
	return result;
1418 1419 1420 1421

out_free:
	kfree(dvb);
	dev->dvb = NULL;
1422
	goto ret;
1423 1424
}

1425 1426 1427 1428 1429 1430 1431
static inline void prevent_sleep(struct dvb_frontend_ops *ops)
{
	ops->set_voltage = NULL;
	ops->sleep = NULL;
	ops->tuner_ops.sleep = NULL;
}

1432
static int em28xx_dvb_fini(struct em28xx *dev)
1433
{
1434
	if (!dev->board.has_dvb) {
1435 1436 1437 1438
		/* This device does not support the extension */
		return 0;
	}

1439
	if (dev->dvb) {
1440 1441
		struct em28xx_dvb *dvb = dev->dvb;

1442
		if (dev->disconnected) {
1443 1444 1445 1446 1447 1448 1449 1450
			/* 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);
		}

1451
		i2c_release_client(dvb->i2c_client_tuner);
1452 1453
		em28xx_unregister_dvb(dvb);
		kfree(dvb);
1454 1455
		dev->dvb = NULL;
	}
1456 1457 1458 1459 1460 1461 1462

	return 0;
}

static struct em28xx_ops dvb_ops = {
	.id   = EM28XX_DVB,
	.name = "Em28xx dvb Extension",
1463 1464
	.init = em28xx_dvb_init,
	.fini = em28xx_dvb_fini,
1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478
};

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);