Documentation/README.cycladesZ


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The Cyclades-Z must have firmware loaded onto the card before it will
operate.  This operation should be performed during system startup,

The firmware, loader program and the latest device driver code are
available from Cyclades at
    ftp://ftp.cyclades.com/pub/cyclades/cyclades-z/linux/
/*
 *
 * device driver for Conexant 2388x based TV cards
 * MPEG Transport Stream (DVB) routines
 *
 * (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, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/module.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/fs.h>
#include <linux/kthread.h>
#include <linux/file.h>
#include <linux/suspend.h>

#include "cx88.h"
#include "dvb-pll.h"
#include <media/v4l2-common.h>

#include "mt352.h"
#include "mt352_priv.h"
#include "cx88-vp3054-i2c.h"
#include "zl10353.h"
#include "cx22702.h"
#include "or51132.h"
#include "lgdt330x.h"
#include "s5h1409.h"
#include "xc5000.h"
#include "nxt200x.h"
#include "cx24123.h"
#include "isl6421.h"
#include "tuner-xc2028.h"
#include "tuner-xc2028-types.h"

MODULE_DESCRIPTION("driver for cx2388x based DVB cards");
MODULE_AUTHOR("Chris Pascoe <c.pascoe@itee.uq.edu.au>");
MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
MODULE_LICENSE("GPL");

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

#define dprintk(level,fmt, arg...)	if (debug >= level) \
	printk(KERN_DEBUG "%s/2-dvb: " fmt, core->name, ## arg)

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

static int dvb_buf_setup(struct videobuf_queue *q,
			 unsigned int *count, unsigned int *size)
{
	struct cx8802_dev *dev = q->priv_data;

	dev->ts_packet_size  = 188 * 4;
	dev->ts_packet_count = 32;

	*size  = dev->ts_packet_size * dev->ts_packet_count;
	*count = 32;
	return 0;
}

static int dvb_buf_prepare(struct videobuf_queue *q,
			   struct videobuf_buffer *vb, enum v4l2_field field)
{
	struct cx8802_dev *dev = q->priv_data;
	return cx8802_buf_prepare(q, dev, (struct cx88_buffer*)vb,field);
}

static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
{
	struct cx8802_dev *dev = q->priv_data;
	cx8802_buf_queue(dev, (struct cx88_buffer*)vb);
}

static void dvb_buf_release(struct videobuf_queue *q,
			    struct videobuf_buffer *vb)
{
	cx88_free_buffer(q, (struct cx88_buffer*)vb);
}

static struct videobuf_queue_ops dvb_qops = {
	.buf_setup    = dvb_buf_setup,
	.buf_prepare  = dvb_buf_prepare,
	.buf_queue    = dvb_buf_queue,
	.buf_release  = dvb_buf_release,
};

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

static int cx88_dvb_bus_ctrl(struct dvb_frontend* fe, int acquire)
{
	struct cx8802_dev *dev= fe->dvb->priv;
	struct cx8802_driver *drv = NULL;
	int ret = 0;

	drv = cx8802_get_driver(dev, CX88_MPEG_DVB);
	if (drv) {
		if (acquire)
			ret = drv->request_acquire(drv);
		else
			ret = drv->request_release(drv);
	}

	return ret;
}

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

static int dvico_fusionhdtv_demod_init(struct dvb_frontend* fe)
{
	static u8 clock_config []  = { CLOCK_CTL,  0x38, 0x39 };
	static u8 reset []         = { RESET,      0x80 };
	static u8 adc_ctl_1_cfg [] = { ADC_CTL_1,  0x40 };
	static u8 agc_cfg []       = { AGC_TARGET, 0x24, 0x20 };
	static u8 gpp_ctl_cfg []   = { GPP_CTL,    0x33 };
	static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };

	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, gpp_ctl_cfg,    sizeof(gpp_ctl_cfg));
	mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
	return 0;
}

static int dvico_dual_demod_init(struct dvb_frontend *fe)
{
	static u8 clock_config []  = { CLOCK_CTL,  0x38, 0x38 };
	static u8 reset []         = { RESET,      0x80 };
	static u8 adc_ctl_1_cfg [] = { ADC_CTL_1,  0x40 };
	static u8 agc_cfg []       = { AGC_TARGET, 0x28, 0x20 };
	static u8 gpp_ctl_cfg []   = { GPP_CTL,    0x33 };
	static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };

	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, gpp_ctl_cfg,    sizeof(gpp_ctl_cfg));
	mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));

	return 0;
}

static int dntv_live_dvbt_demod_init(struct dvb_frontend* fe)
{
	static u8 clock_config []  = { 0x89, 0x38, 0x39 };
	static u8 reset []         = { 0x50, 0x80 };
	static u8 adc_ctl_1_cfg [] = { 0x8E, 0x40 };
	static u8 agc_cfg []       = { 0x67, 0x10, 0x23, 0x00, 0xFF, 0xFF,
				       0x00, 0xFF, 0x00, 0x40, 0x40 };
	static u8 dntv_extra[]     = { 0xB5, 0x7A };
	static u8 capt_range_cfg[] = { 0x75, 0x32 };

	mt352_write(fe, clock_config,   sizeof(clock_config));
	udelay(2000);
	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));
	udelay(2000);
	mt352_write(fe, dntv_extra,     sizeof(dntv_extra));
	mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));

	return 0;
}

static struct mt352_config dvico_fusionhdtv = {
	.demod_address = 0x0f,
	.demod_init    = dvico_fusionhdtv_demod_init,
};

static struct mt352_config dntv_live_dvbt_config = {
	.demod_address = 0x0f,
	.demod_init    = dntv_live_dvbt_demod_init,
};

static struct mt352_config dvico_fusionhdtv_dual = {
	.demod_address = 0x0f,
	.demod_init    = dvico_dual_demod_init,
};

#if defined(CONFIG_VIDEO_CX88_VP3054) || (defined(CONFIG_VIDEO_CX88_VP3054_MODULE) && defined(MODULE))
static int dntv_live_dvbt_pro_demod_init(struct dvb_frontend* fe)
{
	static u8 clock_config []  = { 0x89, 0x38, 0x38 };
	static u8 reset []         = { 0x50, 0x80 };
	static u8 adc_ctl_1_cfg [] = { 0x8E, 0x40 };
	static u8 agc_cfg []       = { 0x67, 0x10, 0x20, 0x00, 0xFF, 0xFF,
				       0x00, 0xFF, 0x00, 0x40, 0x40 };
	static u8 dntv_extra[]     = { 0xB5, 0x7A };
	static u8 capt_range_cfg[] = { 0x75, 0x32 };

	mt352_write(fe, clock_config,   sizeof(clock_config));
	udelay(2000);
	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));
	udelay(2000);
	mt352_write(fe, dntv_extra,     sizeof(dntv_extra));
	mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));

	return 0;
}

static struct mt352_config dntv_live_dvbt_pro_config = {
	.demod_address = 0x0f,
	.no_tuner      = 1,
	.demod_init    = dntv_live_dvbt_pro_demod_init,
};
#endif

static struct zl10353_config dvico_fusionhdtv_hybrid = {
	.demod_address = 0x0f,
	.no_tuner      = 1,
};

static struct zl10353_config dvico_fusionhdtv_xc3028 = {
	.demod_address = 0x0f,
	.if2           = 45600,
	.no_tuner      = 1,
};

static struct mt352_config dvico_fusionhdtv_mt352_xc3028 = {
	.demod_address = 0x0f,
	.if2 = 4560,
	.no_tuner = 1,
	.demod_init = dvico_fusionhdtv_demod_init,
};

static struct zl10353_config dvico_fusionhdtv_plus_v1_1 = {
	.demod_address = 0x0f,
};

static struct cx22702_config connexant_refboard_config = {
	.demod_address = 0x43,
	.output_mode   = CX22702_SERIAL_OUTPUT,
};

static struct cx22702_config hauppauge_hvr_config = {
	.demod_address = 0x63,
	.output_mode   = CX22702_SERIAL_OUTPUT,
};

static int or51132_set_ts_param(struct dvb_frontend* fe, int is_punctured)
{
	struct cx8802_dev *dev= fe->dvb->priv;
	dev->ts_gen_cntrl = is_punctured ? 0x04 : 0x00;
	return 0;
}

static struct or51132_config pchdtv_hd3000 = {
	.demod_address = 0x15,
	.set_ts_params = or51132_set_ts_param,
};

static int lgdt330x_pll_rf_set(struct dvb_frontend* fe, int index)
{
	struct cx8802_dev *dev= fe->dvb->priv;
	struct cx88_core *core = dev->core;

	dprintk(1, "%s: index = %d\n", __FUNCTION__, index);
	if (index == 0)
		cx_clear(MO_GP0_IO, 8);
	else
		cx_set(MO_GP0_IO, 8);
	return 0;
}

static int lgdt330x_set_ts_param(struct dvb_frontend* fe, int is_punctured)
{
	struct cx8802_dev *dev= fe->dvb->priv;
	if (is_punctured)
		dev->ts_gen_cntrl |= 0x04;
	else
		dev->ts_gen_cntrl &= ~0x04;
	return 0;
}

static struct lgdt330x_config fusionhdtv_3_gold = {
	.demod_address = 0x0e,
	.demod_chip    = LGDT3302,
	.serial_mpeg   = 0x04, /* TPSERIAL for 3302 in TOP_CONTROL */
	.set_ts_params = lgdt330x_set_ts_param,
};

static struct lgdt330x_config fusionhdtv_5_gold = {
	.demod_address = 0x0e,
	.demod_chip    = LGDT3303,
	.serial_mpeg   = 0x40, /* TPSERIAL for 3303 in TOP_CONTROL */
	.set_ts_params = lgdt330x_set_ts_param,
};

static struct lgdt330x_config pchdtv_hd5500 = {
	.demod_address = 0x59,
	.demod_chip    = LGDT3303,
	.serial_mpeg   = 0x40, /* TPSERIAL for 3303 in TOP_CONTROL */
	.set_ts_params = lgdt330x_set_ts_param,
};

static int nxt200x_set_ts_param(struct dvb_frontend* fe, int is_punctured)
{
	struct cx8802_dev *dev= fe->dvb->priv;
	dev->ts_gen_cntrl = is_punctured ? 0x04 : 0x00;
	return 0;
}

static struct nxt200x_config ati_hdtvwonder = {
	.demod_address = 0x0a,
	.set_ts_params = nxt200x_set_ts_param,
};

static int cx24123_set_ts_param(struct dvb_frontend* fe,
	int is_punctured)
{
	struct cx8802_dev *dev= fe->dvb->priv;
	dev->ts_gen_cntrl = 0x02;
	return 0;
}

static int kworld_dvbs_100_set_voltage(struct dvb_frontend* fe,
				       fe_sec_voltage_t voltage)
{
	struct cx8802_dev *dev= fe->dvb->priv;
	struct cx88_core *core = dev->core;

	if (voltage == SEC_VOLTAGE_OFF)
		cx_write(MO_GP0_IO, 0x000006fb);
	else
		cx_write(MO_GP0_IO, 0x000006f9);

	if (core->prev_set_voltage)
		return core->prev_set_voltage(fe, voltage);
	return 0;
}

static int geniatech_dvbs_set_voltage(struct dvb_frontend *fe,
				      fe_sec_voltage_t voltage)
{
	struct cx8802_dev *dev= fe->dvb->priv;
	struct cx88_core *core = dev->core;

	if (voltage == SEC_VOLTAGE_OFF) {
		dprintk(1,"LNB Voltage OFF\n");
		cx_write(MO_GP0_IO, 0x0000efff);
	}

	if (core->prev_set_voltage)
		return core->prev_set_voltage(fe, voltage);
	return 0;
}

static int cx88_xc3028_callback(void *ptr, int command, int arg)
{
	struct cx88_core *core = ptr;

	switch (command) {
	case XC2028_TUNER_RESET:
		/* Send the tuner in then out of reset */
		dprintk(1, "%s: XC2028_TUNER_RESET %d\n", __FUNCTION__, arg);

		switch (core->boardnr) {
		case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
			/* GPIO-4 xc3028 tuner */

			cx_set(MO_GP0_IO, 0x00001000);
			cx_clear(MO_GP0_IO, 0x00000010);
			msleep(100);
			cx_set(MO_GP0_IO, 0x00000010);
			msleep(100);
			break;
		}

		break;
	case XC2028_RESET_CLK:
		dprintk(1, "%s: XC2028_RESET_CLK %d\n", __FUNCTION__, arg);
		break;
	default:
		dprintk(1, "%s: unknown command %d, arg %d\n", __FUNCTION__,
			command, arg);
		return -EINVAL;
	}

	return 0;
}

static struct cx24123_config geniatech_dvbs_config = {
	.demod_address = 0x55,
	.set_ts_params = cx24123_set_ts_param,
};

static struct cx24123_config hauppauge_novas_config = {
	.demod_address = 0x55,
	.set_ts_params = cx24123_set_ts_param,
};

static struct cx24123_config kworld_dvbs_100_config = {
	.demod_address = 0x15,
	.set_ts_params = cx24123_set_ts_param,
	.lnb_polarity  = 1,
};

static struct s5h1409_config pinnacle_pctv_hd_800i_config = {
	.demod_address = 0x32 >> 1,
	.output_mode   = S5H1409_PARALLEL_OUTPUT,
	.gpio	       = S5H1409_GPIO_ON,
	.qam_if	       = 44000,
	.inversion     = S5H1409_INVERSION_OFF,
	.status_mode   = S5H1409_DEMODLOCKING,
	.mpeg_timing   = S5H1409_MPEGTIMING_NONCONTINOUS_NONINVERTING_CLOCK,
};

static struct s5h1409_config dvico_hdtv5_pci_nano_config = {
	.demod_address = 0x32 >> 1,
	.output_mode   = S5H1409_SERIAL_OUTPUT,
	.gpio          = S5H1409_GPIO_OFF,
	.inversion     = S5H1409_INVERSION_OFF,
	.status_mode   = S5H1409_DEMODLOCKING,
	.mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
};

static struct xc5000_config pinnacle_pctv_hd_800i_tuner_config = {
	.i2c_address	= 0x64,
	.if_khz		= 5380,
	.tuner_callback	= cx88_tuner_callback,
};

static struct zl10353_config cx88_geniatech_x8000_mt = {
       .demod_address = (0x1e >> 1),
       .no_tuner = 1,
};

static int attach_xc3028(u8 addr, struct cx8802_dev *dev)
{
	struct dvb_frontend *fe;
	struct xc2028_config cfg = {
		.i2c_adap  = &dev->core->i2c_adap,
		.i2c_addr  = addr,
		.video_dev = dev->core,
	};

	fe = dvb_attach(xc2028_attach, dev->dvb.frontend, &cfg);
	if (!fe) {
		printk(KERN_ERR "%s/2: xc3028 attach failed\n",
		       dev->core->name);
		dvb_frontend_detach(dev->dvb.frontend);
		dvb_unregister_frontend(dev->dvb.frontend);
		dev->dvb.frontend = NULL;
		return -EINVAL;
	}

	printk(KERN_INFO "%s/2: xc3028 attached\n",
	       dev->core->name);

	return 0;
}

static int dvb_register(struct cx8802_dev *dev)
{
	/* init struct videobuf_dvb */
	dev->dvb.name = dev->core->name;
	dev->ts_gen_cntrl = 0x0c;

	/* init frontend */
	switch (dev->core->boardnr) {
	case CX88_BOARD_HAUPPAUGE_DVB_T1:
		dev->dvb.frontend = dvb_attach(cx22702_attach,
					       &connexant_refboard_config,
					       &dev->core->i2c_adap);
		if (dev->dvb.frontend != NULL) {
			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
				   &dev->core->i2c_adap,
				   DVB_PLL_THOMSON_DTT759X);
		}
		break;
	case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1:
	case CX88_BOARD_CONEXANT_DVB_T1:
	case CX88_BOARD_KWORLD_DVB_T_CX22702:
	case CX88_BOARD_WINFAST_DTV1000:
		dev->dvb.frontend = dvb_attach(cx22702_attach,
					       &connexant_refboard_config,
					       &dev->core->i2c_adap);
		if (dev->dvb.frontend != NULL) {
			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x60,
				   &dev->core->i2c_adap,
				   DVB_PLL_THOMSON_DTT7579);
		}
		break;
	case CX88_BOARD_WINFAST_DTV2000H:
	case CX88_BOARD_HAUPPAUGE_HVR1100:
	case CX88_BOARD_HAUPPAUGE_HVR1100LP:
	case CX88_BOARD_HAUPPAUGE_HVR1300:
	case CX88_BOARD_HAUPPAUGE_HVR3000:
		dev->dvb.frontend = dvb_attach(cx22702_attach,
					       &hauppauge_hvr_config,
					       &dev->core->i2c_adap);
		if (dev->dvb.frontend != NULL) {
			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
				   &dev->core->i2c_adap, DVB_PLL_FMD1216ME);
		}
		break;
	case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS:
		dev->dvb.frontend = dvb_attach(mt352_attach,
					       &dvico_fusionhdtv,
					       &dev->core->i2c_adap);
		if (dev->dvb.frontend != NULL) {
			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x60,
				   NULL, DVB_PLL_THOMSON_DTT7579);
			break;
		}
		/* ZL10353 replaces MT352 on later cards */
		dev->dvb.frontend = dvb_attach(zl10353_attach,
					       &dvico_fusionhdtv_plus_v1_1,
					       &dev->core->i2c_adap);
		if (dev->dvb.frontend != NULL) {
			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x60,
				   NULL, DVB_PLL_THOMSON_DTT7579);
		}
		break;
	case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL:
		/* The tin box says DEE1601, but it seems to be DTT7579
		 * compatible, with a slightly different MT352 AGC gain. */
		dev->dvb.frontend = dvb_attach(mt352_attach,
					       &dvico_fusionhdtv_dual,
					       &dev->core->i2c_adap);
		if (dev->dvb.frontend != NULL) {
			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
				   NULL, DVB_PLL_THOMSON_DTT7579);
			break;
		}
		/* ZL10353 replaces MT352 on later cards */
		dev->dvb.frontend = dvb_attach(zl10353_attach,
					       &dvico_fusionhdtv_plus_v1_1,
					       &dev->core->i2c_adap);
		if (dev->dvb.frontend != NULL) {
			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
				   NULL, DVB_PLL_THOMSON_DTT7579);
		}
		break;
	case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1:
		dev->dvb.frontend = dvb_attach(mt352_attach,
					       &dvico_fusionhdtv,
					       &dev->core->i2c_adap);
		if (dev->dvb.frontend != NULL) {
			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
				   NULL, DVB_PLL_LG_Z201);
		}
		break;
	case CX88_BOARD_KWORLD_DVB_T:
	case CX88_BOARD_DNTV_LIVE_DVB_T:
	case CX88_BOARD_ADSTECH_DVB_T_PCI:
		dev->dvb.frontend = dvb_attach(mt352_attach,
					       &dntv_live_dvbt_config,
					       &dev->core->i2c_adap);
		if (dev->dvb.frontend != NULL) {
			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
				   NULL, DVB_PLL_UNKNOWN_1);
		}
		break;
	case CX88_BOARD_DNTV_LIVE_DVB_T_PRO:
#if defined(CONFIG_VIDEO_CX88_VP3054) || (defined(CONFIG_VIDEO_CX88_VP3054_MODULE) && defined(MODULE))
		/* MT352 is on a secondary I2C bus made from some GPIO lines */
		dev->dvb.frontend = dvb_attach(mt352_attach, &dntv_live_dvbt_pro_config,
					       &dev->vp3054->adap);
		if (dev->dvb.frontend != NULL) {
			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
				   &dev->core->i2c_adap, DVB_PLL_FMD1216ME);
		}
#else
		printk(KERN_ERR "%s/2: built without vp3054 support\n", dev->core->name);
#endif
		break;
	case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_HYBRID:
		dev->dvb.frontend = dvb_attach(zl10353_attach,
					       &dvico_fusionhdtv_hybrid,
					       &dev->core->i2c_adap);
		if (dev->dvb.frontend != NULL) {
			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
				   &dev->core->i2c_adap,
				   DVB_PLL_THOMSON_FE6600);
		}
		break;
	case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PRO:
		dev->dvb.frontend = dvb_attach(zl10353_attach,
					       &dvico_fusionhdtv_xc3028,
					       &dev->core->i2c_adap);
		if (dev->dvb.frontend == NULL)
			dev->dvb.frontend = dvb_attach(mt352_attach,
						&dvico_fusionhdtv_mt352_xc3028,
						&dev->core->i2c_adap);
		/*
		 * On this board, the demod provides the I2C bus pullup.
		 * We must not permit gate_ctrl to be performed, or
		 * the xc3028 cannot communicate on the bus.
		 */
		if (dev->dvb.frontend)
			dev->dvb.frontend->ops.i2c_gate_ctrl = NULL;
		if (attach_xc3028(0x61, dev) < 0)
			return -EINVAL;
		break;
	case CX88_BOARD_PCHDTV_HD3000:
		dev->dvb.frontend = dvb_attach(or51132_attach, &pchdtv_hd3000,
					       &dev->core->i2c_adap);
		if (dev->dvb.frontend != NULL) {
			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
				   &dev->core->i2c_adap,
				   DVB_PLL_THOMSON_DTT761X);
		}
		break;
	case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q:
		dev->ts_gen_cntrl = 0x08;
		{
		/* Do a hardware reset of chip before using it. */
		struct cx88_core *core = dev->core;

		cx_clear(MO_GP0_IO, 1);
		mdelay(100);
		cx_set(MO_GP0_IO, 1);
		mdelay(200);

		/* Select RF connector callback */
		fusionhdtv_3_gold.pll_rf_set = lgdt330x_pll_rf_set;
		dev->dvb.frontend = dvb_attach(lgdt330x_attach,
					       &fusionhdtv_3_gold,
					       &dev->core->i2c_adap);
		if (dev->dvb.frontend != NULL) {
			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
				   &dev->core->i2c_adap,
				   DVB_PLL_MICROTUNE_4042);
		}
		}
		break;
	case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T:
		dev->ts_gen_cntrl = 0x08;
		{
		/* Do a hardware reset of chip before using it. */
		struct cx88_core *core = dev->core;

		cx_clear(MO_GP0_IO, 1);
		mdelay(100);
		cx_set(MO_GP0_IO, 9);
		mdelay(200);
		dev->dvb.frontend = dvb_attach(lgdt330x_attach,
					       &fusionhdtv_3_gold,
					       &dev->core->i2c_adap);
		if (dev->dvb.frontend != NULL) {
			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
				   &dev->core->i2c_adap,
				   DVB_PLL_THOMSON_DTT761X);
		}
		}
		break;
	case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
		dev->ts_gen_cntrl = 0x08;
		{
		/* Do a hardware reset of chip before using it. */
		struct cx88_core *core = dev->core;

		cx_clear(MO_GP0_IO, 1);
		mdelay(100);
		cx_set(MO_GP0_IO, 1);
		mdelay(200);
		dev->dvb.frontend = dvb_attach(lgdt330x_attach,
					       &fusionhdtv_5_gold,
					       &dev->core->i2c_adap);
		if (dev->dvb.frontend != NULL) {
			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
				   &dev->core->i2c_adap,
				   DVB_PLL_LG_TDVS_H06XF);
		}
		}
		break;
	case CX88_BOARD_PCHDTV_HD5500:
		dev->ts_gen_cntrl = 0x08;
		{
		/* Do a hardware reset of chip before using it. */
		struct cx88_core *core = dev->core;

		cx_clear(MO_GP0_IO, 1);
		mdelay(100);
		cx_set(MO_GP0_IO, 1);
		mdelay(200);
		dev->dvb.frontend = dvb_attach(lgdt330x_attach,
					       &pchdtv_hd5500,
					       &dev->core->i2c_adap);
		if (dev->dvb.frontend != NULL) {
			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
				   &dev->core->i2c_adap,
				   DVB_PLL_LG_TDVS_H06XF);
		}
		}
		break;
	case CX88_BOARD_ATI_HDTVWONDER:
		dev->dvb.frontend = dvb_attach(nxt200x_attach,
					       &ati_hdtvwonder,
					       &dev->core->i2c_adap);
		if (dev->dvb.frontend != NULL) {
			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
				   NULL, DVB_PLL_TUV1236D);
		}
		break;
	case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
	case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
		dev->dvb.frontend = dvb_attach(cx24123_attach,
					       &hauppauge_novas_config,
					       &dev->core->i2c_adap);
		if (dev->dvb.frontend) {
			dvb_attach(isl6421_attach, dev->dvb.frontend,
				   &dev->core->i2c_adap, 0x08, 0x00, 0x00);
		}
		break;
	case CX88_BOARD_KWORLD_DVBS_100:
		dev->dvb.frontend = dvb_attach(cx24123_attach,
					       &kworld_dvbs_100_config,
					       &dev->core->i2c_adap);
		if (dev->dvb.frontend) {
			dev->core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage;
			dev->dvb.frontend->ops.set_voltage = kworld_dvbs_100_set_voltage;
		}
		break;
	case CX88_BOARD_GENIATECH_DVBS:
		dev->dvb.frontend = dvb_attach(cx24123_attach,
					       &geniatech_dvbs_config,
					       &dev->core->i2c_adap);
		if (dev->dvb.frontend) {
			dev->core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage;
			dev->dvb.frontend->ops.set_voltage = geniatech_dvbs_set_voltage;
		}
		break;
	case CX88_BOARD_PINNACLE_PCTV_HD_800i:
		dev->dvb.frontend = dvb_attach(s5h1409_attach,
					       &pinnacle_pctv_hd_800i_config,
					       &dev->core->i2c_adap);
		if (dev->dvb.frontend != NULL) {
			/* tuner_config.video_dev must point to
			 * i2c_adap.algo_data
			 */
			pinnacle_pctv_hd_800i_tuner_config.priv =
						dev->core->i2c_adap.algo_data;
			dvb_attach(xc5000_attach, dev->dvb.frontend,
				   &dev->core->i2c_adap,
				   &pinnacle_pctv_hd_800i_tuner_config);
		}
		break;
	case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
		dev->dvb.frontend = dvb_attach(s5h1409_attach,
						&dvico_hdtv5_pci_nano_config,
						&dev->core->i2c_adap);
		if (dev->dvb.frontend != NULL) {
			struct dvb_frontend *fe;
			struct xc2028_config cfg = {
				.i2c_adap  = &dev->core->i2c_adap,
				.i2c_addr  = 0x61,
				.video_dev = dev->core,
				.callback  = cx88_xc3028_callback,
			};
			static struct xc2028_ctrl ctl = {
				.fname       = "xc3028-v27.fw",
				.max_len     = 64,
				.scode_table = OREN538,
			};

			fe = dvb_attach(xc2028_attach,
					dev->dvb.frontend, &cfg);
			if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
				fe->ops.tuner_ops.set_config(fe, &ctl);
		}
		break;
	 case CX88_BOARD_PINNACLE_HYBRID_PCTV:
		dev->dvb.frontend = dvb_attach(zl10353_attach,
					       &cx88_geniatech_x8000_mt,
					       &dev->core->i2c_adap);
		if (attach_xc3028(0x61, dev) < 0)
			return -EINVAL;
		break;
	 case CX88_BOARD_GENIATECH_X8000_MT:
	       dev->ts_gen_cntrl = 0x00;

		dev->dvb.frontend = dvb_attach(zl10353_attach,
					       &cx88_geniatech_x8000_mt,
					       &dev->core->i2c_adap);
		if (attach_xc3028(0x61, dev) < 0)
			return -EINVAL;
		break;
	default:
		printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card isn't supported yet\n",
		       dev->core->name);
		break;
	}
	if (NULL == dev->dvb.frontend) {
		printk(KERN_ERR
		       "%s/2: frontend initialization failed\n",
		       dev->core->name);
		return -EINVAL;
	}

	/* Ensure all frontends negotiate bus access */
	dev->dvb.frontend->ops.ts_bus_ctrl = cx88_dvb_bus_ctrl;

	/* Put the analog decoder in standby to keep it quiet */
	cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL);

	/* register everything */
	return videobuf_dvb_register(&dev->dvb, THIS_MODULE, dev, &dev->pci->dev);
}

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

/* CX8802 MPEG -> mini driver - We have been given the hardware */
static int cx8802_dvb_advise_acquire(struct cx8802_driver *drv)
{
	struct cx88_core *core = drv->core;
	int err = 0;
	dprintk( 1, "%s\n", __FUNCTION__);

	switch (core->boardnr) {
	case CX88_BOARD_HAUPPAUGE_HVR1300:
		/* We arrive here with either the cx23416 or the cx22702
		 * on the bus. Take the bus from the cx23416 and enable the
		 * cx22702 demod
		 */
		cx_set(MO_GP0_IO,   0x00000080); /* cx22702 out of reset and enable */
		cx_clear(MO_GP0_IO, 0x00000004);
		udelay(1000);
		break;
	default:
		err = -ENODEV;
	}
	return err;
}

/* CX8802 MPEG -> mini driver - We no longer have the hardware */
static int cx8802_dvb_advise_release(struct cx8802_driver *drv)
{
	struct cx88_core *core = drv->core;
	int err = 0;
	dprintk( 1, "%s\n", __FUNCTION__);

	switch (core->boardnr) {
	case CX88_BOARD_HAUPPAUGE_HVR1300:
		/* Do Nothing, leave the cx22702 on the bus. */
		break;
	default:
		err = -ENODEV;
	}
	return err;
}

static int cx8802_dvb_probe(struct cx8802_driver *drv)
{
	struct cx88_core *core = drv->core;
	struct cx8802_dev *dev = drv->core->dvbdev;
	int err;

	dprintk( 1, "%s\n", __FUNCTION__);
	dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
		core->boardnr,
		core->name,
		core->pci_bus,
		core->pci_slot);

	err = -ENODEV;
	if (!(core->board.mpeg & CX88_MPEG_DVB))
		goto fail_core;

	/* If vp3054 isn't enabled, a stub will just return 0 */
	err = vp3054_i2c_probe(dev);
	if (0 != err)
		goto fail_core;

	/* dvb stuff */
	printk(KERN_INFO "%s/2: cx2388x based DVB/ATSC card\n", core->name);
	videobuf_queue_sg_init(&dev->dvb.dvbq, &dvb_qops,
			    &dev->pci->dev, &dev->slock,
			    V4L2_BUF_TYPE_VIDEO_CAPTURE,
			    V4L2_FIELD_TOP,
			    sizeof(struct cx88_buffer),
			    dev);
	err = dvb_register(dev);
	if (err != 0)
		printk(KERN_ERR "%s/2: dvb_register failed (err = %d)\n",
		       core->name, err);

 fail_core:
	return err;
}

static int cx8802_dvb_remove(struct cx8802_driver *drv)
{
	struct cx8802_dev *dev = drv->core->dvbdev;

	/* dvb */
	videobuf_dvb_unregister(&dev->dvb);

	vp3054_i2c_remove(dev);

	return 0;
}

static struct cx8802_driver cx8802_dvb_driver = {
	.type_id        = CX88_MPEG_DVB,
	.hw_access      = CX8802_DRVCTL_SHARED,
	.probe          = cx8802_dvb_probe,
	.remove         = cx8802_dvb_remove,
	.advise_acquire = cx8802_dvb_advise_acquire,
	.advise_release = cx8802_dvb_advise_release,
};

static int dvb_init(void)
{
	printk(KERN_INFO "cx88/2: cx2388x dvb driver version %d.%d.%d loaded\n",
	       (CX88_VERSION_CODE >> 16) & 0xff,
	       (CX88_VERSION_CODE >>  8) & 0xff,
	       CX88_VERSION_CODE & 0xff);
#ifdef SNAPSHOT
	printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
	       SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
#endif
	return cx8802_register_driver(&cx8802_dvb_driver);
}

static void dvb_fini(void)
{
	cx8802_unregister_driver(&cx8802_dvb_driver);
}

module_init(dvb_init);
module_exit(dvb_fini);

/*
 * Local variables:
 * c-basic-offset: 8
 * compile-command: "make DVB=1"
 * End:
 */