static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));	udelay(2000);	mt352_write(fe, mt352_reset, sizeof(mt352_reset));	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));	mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg));	mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));	return 0;}static int digitv_alps_tded4_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf){	u32 div;	struct dvb_ofdm_parameters *op = &params->u.ofdm;	div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;	pllbuf[0] = 0xc2;	pllbuf[1] = (div >> 8) & 0x7F;	pllbuf[2] = div & 0xFF;	pllbuf[3] = 0x85;	dprintk("frequency %u, div %u\n", params->frequency, div);	if (params->frequency < 470000000)		pllbuf[4] = 0x02;	else if (params->frequency > 823000000)		pllbuf[4] = 0x88;	else		pllbuf[4] = 0x08;	if (op->bandwidth == 8)		pllbuf[4] |= 0x04;	return 0;}static void digitv_alps_tded4_reset(struct dvb_bt8xx_card *bt){	/*	 * Reset the frontend, must be called before trying	 * to initialise the MT352 or mt352_attach	 * will fail. Same goes for the nxt6000 frontend.	 *	 */	int ret = bttv_gpio_enable(bt->bttv_nr, 0x08, 0x08);	if (ret != 0)		printk(KERN_WARNING "digitv_alps_tded4: Init Error - Can't Reset DVR (%i)\n", ret);	/* Pulse the reset line */	bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */	bttv_write_gpio(bt->bttv_nr, 0x08, 0x00); /* Low  */	msleep(100);	bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */}static struct mt352_config digitv_alps_tded4_config = {	.demod_address = 0x0a,	.demod_init = digitv_alps_tded4_demod_init,	.pll_set = digitv_alps_tded4_pll_set,};static int tdvs_tua6034_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params){	struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;	u8 buf[4];	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };	int err;	dvb_pll_configure(&dvb_pll_tdvs_tua6034, buf, params->frequency, 0);	dprintk("%s: tuner at 0x%02x bytes: 0x%02x 0x%02x 0x%02x 0x%02x\n",		__FUNCTION__, msg.addr, buf[0],buf[1],buf[2],buf[3]);	if ((err = i2c_transfer(card->i2c_adapter, &msg, 1)) != 1) {		printk(KERN_WARNING "dvb-bt8xx: %s error "			"(addr %02x <- %02x, err = %i)\n",			__FUNCTION__, buf[0], buf[1], err);		if (err < 0)			return err;		else			return -EREMOTEIO;	}	/* Set the Auxiliary Byte. */	buf[2] &= ~0x20;	buf[2] |= 0x18;	buf[3] = 0x50;	i2c_transfer(card->i2c_adapter, &msg, 1);	return 0;}static struct lgdt330x_config tdvs_tua6034_config = {	.demod_address    = 0x0e,	.demod_chip       = LGDT3303,	.serial_mpeg      = 0x40, /* TPSERIAL for 3303 in TOP_CONTROL */	.pll_set          = tdvs_tua6034_pll_set,};static void lgdt330x_reset(struct dvb_bt8xx_card *bt){	/* Set pin 27 of the lgdt3303 chip high to reset the frontend */	/* Pulse the reset line */	bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */	bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000000); /* Low  */	msleep(100);	bttv_write_gpio(bt->bttv_nr, 0x00e00007, 0x00000001); /* High */	msleep(100);}static void frontend_init(struct dvb_bt8xx_card *card, u32 type){	int ret;	struct dst_state* state = NULL;	switch(type) {	case BTTV_BOARD_DVICO_DVBT_LITE:		card->fe = mt352_attach(&thomson_dtt7579_config, card->i2c_adapter);		if (card->fe == NULL)			card->fe = zl10353_attach(&thomson_dtt7579_zl10353_config,						  card->i2c_adapter);		if (card->fe != NULL) {			card->fe->ops->info.frequency_min = 174000000;			card->fe->ops->info.frequency_max = 862000000;		}		break;	case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:		lgdt330x_reset(card);		card->fe = lgdt330x_attach(&tdvs_tua6034_config, card->i2c_adapter);		if (card->fe != NULL)			dprintk ("dvb_bt8xx: lgdt330x detected\n");		break;	case BTTV_BOARD_NEBULA_DIGITV:		/*		 * It is possible to determine the correct frontend using the I2C bus (see the Nebula SDK);		 * this would be a cleaner solution than trying each frontend in turn.		 */		/* Old Nebula (marked (c)2003 on high profile pci card) has nxt6000 demod */		digitv_alps_tded4_reset(card);		card->fe = nxt6000_attach(&vp3021_alps_tded4_config, card->i2c_adapter);		if (card->fe != NULL) {			dprintk ("dvb_bt8xx: an nxt6000 was detected on your digitv card\n");			break;		}		/* New Nebula (marked (c)2005 on low profile pci card) has mt352 demod */		digitv_alps_tded4_reset(card);		card->fe = mt352_attach(&digitv_alps_tded4_config, card->i2c_adapter);		if (card->fe != NULL)			dprintk ("dvb_bt8xx: an mt352 was detected on your digitv card\n");		break;	case BTTV_BOARD_AVDVBT_761:		card->fe = sp887x_attach(&microtune_mt7202dtf_config, card->i2c_adapter);		break;	case BTTV_BOARD_AVDVBT_771:		card->fe = mt352_attach(&advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);		if (card->fe != NULL) {			card->fe->ops->info.frequency_min = 174000000;			card->fe->ops->info.frequency_max = 862000000;		}		break;	case BTTV_BOARD_TWINHAN_DST:		/*	DST is not a frontend driver !!!		*/		state = (struct dst_state *) kmalloc(sizeof (struct dst_state), GFP_KERNEL);		/*	Setup the Card					*/		state->config = &dst_config;		state->i2c = card->i2c_adapter;		state->bt = card->bt;		/*	DST is not a frontend, attaching the ASIC	*/		if ((dst_attach(state, &card->dvb_adapter)) == NULL) {			printk("%s: Could not find a Twinhan DST.\n", __FUNCTION__);			break;		}		card->fe = &state->frontend;		/*	Attach other DST peripherals if any		*/		/*	Conditional Access device			*/		if (state->dst_hw_cap & DST_TYPE_HAS_CA)			ret = dst_ca_attach(state, &card->dvb_adapter);		break;	case BTTV_BOARD_PINNACLESAT:		card->fe = cx24110_attach(&pctvsat_config, card->i2c_adapter);		break;	case BTTV_BOARD_PC_HDTV:		card->fe = or51211_attach(&or51211_config, card->i2c_adapter);		break;	}	if (card->fe == NULL)		printk("dvb-bt8xx: A frontend driver was not found for device %04x/%04x subsystem %04x/%04x\n",		       card->bt->dev->vendor,		       card->bt->dev->device,		       card->bt->dev->subsystem_vendor,		       card->bt->dev->subsystem_device);	else		if (dvb_register_frontend(&card->dvb_adapter, card->fe)) {			printk("dvb-bt8xx: Frontend registration failed!\n");			if (card->fe->ops->release)				card->fe->ops->release(card->fe);			card->fe = NULL;		}}static int __init dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type){	int result;	if ((result = dvb_register_adapter(&card->dvb_adapter, card->card_name, THIS_MODULE, &card->bt->dev->dev)) < 0) {		printk("dvb_bt8xx: dvb_register_adapter failed (errno = %d)\n", result);		return result;	}	card->dvb_adapter.priv = card;	card->bt->adapter = card->i2c_adapter;	memset(&card->demux, 0, sizeof(struct dvb_demux));	card->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING;	card->demux.priv = card;	card->demux.filternum = 256;	card->demux.feednum = 256;	card->demux.start_feed = dvb_bt8xx_start_feed;	card->demux.stop_feed = dvb_bt8xx_stop_feed;	card->demux.write_to_decoder = NULL;	if ((result = dvb_dmx_init(&card->demux)) < 0) {		printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);		dvb_unregister_adapter(&card->dvb_adapter);		return result;	}	card->dmxdev.filternum = 256;	card->dmxdev.demux = &card->demux.dmx;	card->dmxdev.capabilities = 0;	if ((result = dvb_dmxdev_init(&card->dmxdev, &card->dvb_adapter)) < 0) {		printk("dvb_bt8xx: dvb_dmxdev_init failed (errno = %d)\n", result);		dvb_dmx_release(&card->demux);		dvb_unregister_adapter(&card->dvb_adapter);		return result;	}	card->fe_hw.source = DMX_FRONTEND_0;	if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {		printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);		dvb_dmxdev_release(&card->dmxdev);		dvb_dmx_release(&card->demux);		dvb_unregister_adapter(&card->dvb_adapter);		return result;	}	card->fe_mem.source = DMX_MEMORY_FE;	if ((result = card->demux.dmx.add_frontend(&card->demux.dmx, &card->fe_mem)) < 0) {		printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);		card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);		dvb_dmxdev_release(&card->dmxdev);		dvb_dmx_release(&card->demux);		dvb_unregister_adapter(&card->dvb_adapter);		return result;	}	if ((result = card->demux.dmx.connect_frontend(&card->demux.dmx, &card->fe_hw)) < 0) {		printk("dvb_bt8xx: dvb_dmx_init failed (errno = %d)\n", result);		card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);		card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);		dvb_dmxdev_release(&card->dmxdev);		dvb_dmx_release(&card->demux);		dvb_unregister_adapter(&card->dvb_adapter);		return result;	}	dvb_net_init(&card->dvb_adapter, &card->dvbnet, &card->demux.dmx);	tasklet_init(&card->bt->tasklet, dvb_bt8xx_task, (unsigned long) card);	frontend_init(card, type);	return 0;}#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,15)static int dvb_bt8xx_probe(struct device *dev)#elsestatic int dvb_bt8xx_probe(struct bttv_sub_device *sub)#endif{#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,15)	struct bttv_sub_device *sub = to_bttv_sub_dev(dev);#endif	struct dvb_bt8xx_card *card;	struct pci_dev* bttv_pci_dev;	int ret;	if (!(card = kzalloc(sizeof(struct dvb_bt8xx_card), GFP_KERNEL)))		return -ENOMEM;	mutex_init(&card->lock);	card->bttv_nr = sub->core->nr;	strncpy(card->card_name, sub->core->name, sizeof(sub->core->name));	card->i2c_adapter = &sub->core->i2c_adap;	switch(sub->core->type) {	case BTTV_BOARD_PINNACLESAT:		card->gpio_mode = 0x0400c060;		/* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR,			      BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */		card->op_sync_orin = BT878_RISC_SYNC_MASK;		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;		break;	case BTTV_BOARD_DVICO_DVBT_LITE:		card->gpio_mode = 0x0400C060;		card->op_sync_orin = BT878_RISC_SYNC_MASK;		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;		/* 26, 15, 14, 6, 5		 * A_PWRDN  DA_DPM DA_SBR DA_IOM_DA		 * DA_APP(parallel) */		break;	case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:		card->gpio_mode = 0x0400c060;		card->op_sync_orin = BT878_RISC_SYNC_MASK;		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;		break;	case BTTV_BOARD_NEBULA_DIGITV:	case BTTV_BOARD_AVDVBT_761:		card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5);		card->op_sync_orin = BT878_RISC_SYNC_MASK;		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;		/* A_PWRDN DA_SBR DA_APP (high speed serial) */		break;	case BTTV_BOARD_AVDVBT_771: //case 0x07711461:		card->gpio_mode = 0x0400402B;		card->op_sync_orin = BT878_RISC_SYNC_MASK;		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;		/* A_PWRDN DA_SBR  DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/		break;	case BTTV_BOARD_TWINHAN_DST:		card->gpio_mode = 0x2204f2c;		card->op_sync_orin = BT878_RISC_SYNC_MASK;		card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR |				       BT878_APPERR | BT878_AFBUS;		/* 25,21,14,11,10,9,8,3,2 then		 * 0x33 = 5,4,1,0		 * A_SEL=SML, DA_MLB, DA_SBR,		 * DA_SDR=f, fifo trigger = 32 DWORDS		 * IOM = 0 == audio A/D		 * DPM = 0 == digital audio mode		 * == async data parallel port		 * then 0x33 (13 is set by start_capture)		 * DA_APP = async data parallel port,		 * ACAP_EN = 1,		 * RISC+FIFO ENABLE */		break;	case BTTV_BOARD_PC_HDTV:		card->gpio_mode = 0x0100EC7B;		card->op_sync_orin = BT878_RISC_SYNC_MASK;		card->irq_err_ignore = BT878_AFBUS | BT878_AFDSR;		break;	default:		printk(KERN_WARNING "dvb_bt8xx: Unknown bttv card type: %d.\n",				sub->core->type);		kfree(card);		return -ENODEV;	}	dprintk("dvb_bt8xx: identified card%d as %s\n", card->bttv_nr, card->card_name);	if (!(bttv_pci_dev = bttv_get_pcidev(card->bttv_nr))) {		printk("dvb_bt8xx: no pci device for card %d\n", card->bttv_nr);		kfree(card);		return -EFAULT;	}	if (!(card->bt = dvb_bt8xx_878_match(card->bttv_nr, bttv_pci_dev))) {		printk("dvb_bt8xx: unable to determine DMA core of card %d,\n",		       card->bttv_nr);		printk("dvb_bt8xx: if you have the ALSA bt87x audio driver "		       "installed, try removing it.\n");		kfree(card);		return -EFAULT;	}	mutex_init(&card->bt->gpio_lock);	card->bt->bttv_nr = sub->core->nr;	if ( (ret = dvb_bt8xx_load_card(card, sub->core->type)) ) {		kfree(card);		return ret;	}#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,15)	dev_set_drvdata(dev, card);#else	dev_set_drvdata(&sub->dev, card);#endif	return 0;}#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,15)static int dvb_bt8xx_remove(struct device *dev)#elsestatic void dvb_bt8xx_remove(struct bttv_sub_device *sub)#endif{#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,15)	struct dvb_bt8xx_card *card = dev_get_drvdata(dev);#else	struct dvb_bt8xx_card *card = dev_get_drvdata(&sub->dev);#endif	dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);	bt878_stop(card->bt);	tasklet_kill(&card->bt->tasklet);	dvb_net_release(&card->dvbnet);	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_mem);	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);	dvb_dmxdev_release(&card->dmxdev);	dvb_dmx_release(&card->demux);	if (card->fe)		dvb_unregister_frontend(card->fe);	dvb_unregister_adapter(&card->dvb_adapter);	kfree(card);#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,15)	return (0);#endif}static struct bttv_sub_driver driver = {	.drv = {		.name		= "dvb-bt8xx",#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,15)		.probe		= dvb_bt8xx_probe,		.remove		= dvb_bt8xx_remove,		/* FIXME:		 * .shutdown	= dvb_bt8xx_shutdown,		 * .suspend	= dvb_bt8xx_suspend,		 * .resume	= dvb_bt8xx_resume,		 */#endif	},#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,15)	.probe		= dvb_bt8xx_probe,	.remove		= dvb_bt8xx_remove,	/* FIXME:	 * .shutdown	= dvb_bt8xx_shutdown,	 * .suspend	= dvb_bt8xx_suspend,	 * .resume	= dvb_bt8xx_resume,	 */#endif};static int __init dvb_bt8xx_init(void){	return bttv_sub_register(&driver, "dvb");}static void __exit dvb_bt8xx_exit(void){	bttv_sub_unregister(&driver);}module_init(dvb_bt8xx_init);module_exit(dvb_bt8xx_exit);MODULE_DESCRIPTION("Bt8xx based DVB adapter driver");MODULE_AUTHOR("Florian Schirmer <jolt@tuxbox.org>");MODULE_LICENSE("GPL");