[PATCH] dvb: frontend: add driver for LGDT3302 (d8667cbb) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/media/dvb/frontends/Kconfig

+7 −0

Original line number	Diff line number	Diff line
		@@ -187,4 +187,11 @@ config DVB_BCM3510
		An ATSC 8VSB/16VSB and QAM64/256 tuner module. Say Y when you want to
		support this frontend.

		config DVB_LGDT3302
		tristate "LGDT3302 based (DViCO FusionHDTV3 Gold)"
		depends on DVB_CORE
		help
		An ATSC 8VSB and QAM64/256 tuner module. Say Y when you want
		to support this frontend.

		endmenu

drivers/media/dvb/frontends/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -30,3 +30,4 @@ obj-$(CONFIG_DVB_OR51211) += or51211.o
		obj-$(CONFIG_DVB_OR51132) += or51132.o
		obj-$(CONFIG_DVB_BCM3510) += bcm3510.o
		obj-$(CONFIG_DVB_S5H1420) += s5h1420.o
		obj-$(CONFIG_DVB_LGDT3302) += lgdt3302.o

drivers/media/dvb/frontends/dvb-pll.c

+13 −0

Original line number	Diff line number	Diff line
		@@ -93,6 +93,19 @@ struct dvb_pll_desc dvb_pll_lg_z201 = {
		};
		EXPORT_SYMBOL(dvb_pll_lg_z201);

		struct dvb_pll_desc dvb_pll_microtune_4042 = {
		.name = "Microtune 4042 FI5",
		.min = 57000000,
		.max = 858000000,
		.count = 3,
		.entries = {
		{ 162000000, 44000000, 62500, 0x8e, 0xa1 },
		{ 457000000, 44000000, 62500, 0x8e, 0x91 },
		{ 999999999, 44000000, 62500, 0x8e, 0x31 },
		},
		};
		EXPORT_SYMBOL(dvb_pll_microtune_4042);

		struct dvb_pll_desc dvb_pll_unknown_1 = {
		.name = "unknown 1", /* used by dntv live dvb-t */
		.min = 174000000,

drivers/media/dvb/frontends/dvb-pll.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@ extern struct dvb_pll_desc dvb_pll_thomson_dtt7579;
		extern struct dvb_pll_desc dvb_pll_thomson_dtt759x;
		extern struct dvb_pll_desc dvb_pll_thomson_dtt7610;
		extern struct dvb_pll_desc dvb_pll_lg_z201;
		extern struct dvb_pll_desc dvb_pll_microtune_4042;
		extern struct dvb_pll_desc dvb_pll_unknown_1;

		extern struct dvb_pll_desc dvb_pll_tua6010xs;

drivers/media/dvb/frontends/lgdt3302.c

0 → 100644

+618 −0

Original line number	Diff line number	Diff line
		/*
		* $Id: lgdt3302.c,v 1.2 2005/06/28 23:50:48 mkrufky Exp $
		*
		* Support for LGDT3302 (DViCO FustionHDTV 3 Gold) - VSB/QAM
		*
		* Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net>
		*
		* Based on code from Kirk Lapray <kirk_lapray@bigfoot.com>
		* Copyright (C) 2005
		*
		* 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.
		*
		*/

		/*
		* NOTES ABOUT THIS DRIVER
		*
		* This driver supports DViCO FusionHDTV 3 Gold under Linux.
		*
		* TODO:
		* BER and signal strength always return 0.
		*
		*/

		#include <linux/version.h>
		#include <linux/kernel.h>
		#include <linux/module.h>
		#include <linux/moduleparam.h>
		#include <linux/init.h>
		#include <linux/delay.h>
		#include <asm/byteorder.h>

		#include "dvb_frontend.h"
		#include "dvb-pll.h"
		#include "lgdt3302_priv.h"
		#include "lgdt3302.h"

		static int debug = 0;
		module_param(debug, int, 0644);
		MODULE_PARM_DESC(debug,"Turn on/off lgdt3302 frontend debugging (default:off).");
		#define dprintk(args...) \
		do { \
		if (debug) printk(KERN_DEBUG "lgdt3302: " args); \
		} while (0)

		struct lgdt3302_state
		{
		struct i2c_adapter* i2c;
		struct dvb_frontend_ops ops;

		/* Configuration settings */
		const struct lgdt3302_config* config;

		struct dvb_frontend frontend;

		/* Demodulator private data */
		fe_modulation_t current_modulation;

		/* Tuner private data */
		u32 current_frequency;
		};

		static int i2c_writebytes (struct lgdt3302_state* state,
		u8 addr, /* demod_address or pll_address */
		u8 buf, / data bytes to send */
		int len /* number of bytes to send */ )
		{
		if (addr == state->config->pll_address) {
		struct i2c_msg msg =
		{ .addr = addr, .flags = 0, .buf = buf, .len = len };
		int err;

		if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) {
		printk(KERN_WARNING "lgdt3302: %s error (addr %02x <- %02x, err == %i)\n", __FUNCTION__, addr, buf[0], err);
		return -EREMOTEIO;
		}
		} else {
		u8 tmp[] = { buf[0], buf[1] };
		struct i2c_msg msg =
		{ .addr = addr, .flags = 0, .buf = tmp, .len = 2 };
		int err;
		int i;

		for (i=1; i<len; i++) {
		tmp[1] = buf[i];
		if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) {
		printk(KERN_WARNING "lgdt3302: %s error (addr %02x <- %02x, err == %i)\n", __FUNCTION__, addr, buf[0], err);
		return -EREMOTEIO;
		}
		tmp[0]++;
		}
		}
		return 0;
		}
		static int i2c_readbytes (struct lgdt3302_state* state,
		u8 addr, /* demod_address or pll_address */
		u8 buf, / holds data bytes read */
		int len /* number of bytes to read */ )
		{
		struct i2c_msg msg =
		{ .addr = addr, .flags = I2C_M_RD, .buf = buf, .len = len };
		int err;

		if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) {
		printk(KERN_WARNING "lgdt3302: %s error (addr %02x, err == %i)\n", __FUNCTION__, addr, err);
		return -EREMOTEIO;
		}
		return 0;
		}

		/*
		* This routine writes the register (reg) to the demod bus
		* then reads the data returned for (len) bytes.
		*/

		static u8 i2c_selectreadbytes (struct lgdt3302_state* state,
		enum I2C_REG reg, u8* buf, int len)
		{
		u8 wr [] = { reg };
		struct i2c_msg msg [] = {
		{ .addr = state->config->demod_address,
		.flags = 0, .buf = wr, .len = 1 },
		{ .addr = state->config->demod_address,
		.flags = I2C_M_RD, .buf = buf, .len = len },
		};
		int ret;
		ret = i2c_transfer(state->i2c, msg, 2);
		if (ret != 2) {
		printk(KERN_WARNING "lgdt3302: %s: addr 0x%02x select 0x%02x error (ret == %i)\n", __FUNCTION__, state->config->demod_address, reg, ret);
		} else {
		ret = 0;
		}
		return ret;
		}

		/* Software reset */
		int lgdt3302_SwReset(struct lgdt3302_state* state)
		{
		u8 ret;
		u8 reset[] = {
		IRQ_MASK,
		0x00 /* bit 6 is active low software reset
		* bits 5-0 are 1 to mask interrupts */
		};

		ret = i2c_writebytes(state,
		state->config->demod_address,
		reset, sizeof(reset));
		if (ret == 0) {
		/* spec says reset takes 100 ns why wait */
		/* mdelay(100); / / keep low for 100mS */
		reset[1] = 0x7f; /* force reset high (inactive)
		* and unmask interrupts */
		ret = i2c_writebytes(state,
		state->config->demod_address,
		reset, sizeof(reset));
		}
		/* Spec does not indicate a need for this either */
		/mdelay(5); / /* wait 5 msec before doing more */
		return ret;
		}

		static int lgdt3302_init(struct dvb_frontend* fe)
		{
		/* Hardware reset is done using gpio[0] of cx23880x chip.
		* I'd like to do it here, but don't know how to find chip address.
		* cx88-cards.c arranges for the reset bit to be inactive (high).
		* Maybe there needs to be a callable function in cx88-core or
		* the caller of this function needs to do it. */

		dprintk("%s entered\n", __FUNCTION__);
		return lgdt3302_SwReset((struct lgdt3302_state*) fe->demodulator_priv);
		}

		static int lgdt3302_read_ber(struct dvb_frontend* fe, u32* ber)
		{
		ber = 0; / Dummy out for now */
		return 0;
		}

		static int lgdt3302_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
		{
		struct lgdt3302_state* state = (struct lgdt3302_state*) fe->demodulator_priv;
		u8 buf[2];

		i2c_selectreadbytes(state, PACKET_ERR_COUNTER1, buf, sizeof(buf));

		*ucblocks = (buf[0] << 8) \| buf[1];
		return 0;
		}

		static int lgdt3302_set_parameters(struct dvb_frontend* fe,
		struct dvb_frontend_parameters *param)
		{
		u8 buf[4];
		struct lgdt3302_state* state =
		(struct lgdt3302_state*) fe->demodulator_priv;

		#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,10)

		/* Use 50MHz parameter values from spec sheet since xtal is 50 */
		static u8 top_ctrl_cfg[] = { TOP_CONTROL, 0x03 };
		static u8 vsb_freq_cfg[] = { VSB_CARRIER_FREQ0, 0x00, 0x87, 0x8e, 0x01 };
		static u8 demux_ctrl_cfg[] = { DEMUX_CONTROL, 0xfb };
		static u8 agc_rf_cfg[] = { AGC_RF_BANDWIDTH0, 0x40, 0x93, 0x00 };
		static u8 agc_ctrl_cfg[] = { AGC_FUNC_CTRL2, 0xc6, 0x40 };
		static u8 agc_delay_cfg[] = { AGC_DELAY0, 0x00, 0x00, 0x00 };
		static u8 agc_loop_cfg[] = { AGC_LOOP_BANDWIDTH0, 0x08, 0x9a };

		/* Change only if we are actually changing the modulation */
		if (state->current_modulation != param->u.vsb.modulation) {
		switch(param->u.vsb.modulation) {
		case VSB_8:
		dprintk("%s: VSB_8 MODE\n", __FUNCTION__);

		/* Select VSB mode and serial MPEG interface */
		top_ctrl_cfg[1] = 0x07;
		break;

		case QAM_64:
		dprintk("%s: QAM_64 MODE\n", __FUNCTION__);

		/* Select QAM_64 mode and serial MPEG interface */
		top_ctrl_cfg[1] = 0x04;
		break;

		case QAM_256:
		dprintk("%s: QAM_256 MODE\n", __FUNCTION__);

		/* Select QAM_256 mode and serial MPEG interface */
		top_ctrl_cfg[1] = 0x05;
		break;
		default:
		printk(KERN_WARNING "lgdt3302: %s: Modulation type(%d) UNSUPPORTED\n", __FUNCTION__, param->u.vsb.modulation);
		return -1;
		}
		/* Initializations common to all modes */

		/* Select the requested mode */
		i2c_writebytes(state, state->config->demod_address,
		top_ctrl_cfg, sizeof(top_ctrl_cfg));

		/* Change the value of IFBW[11:0]
		of AGC IF/RF loop filter bandwidth register */
		i2c_writebytes(state, state->config->demod_address,
		agc_rf_cfg, sizeof(agc_rf_cfg));

		/* Change the value of bit 6, 'nINAGCBY' and
		'NSSEL[1:0] of ACG function control register 2 */
		/* Change the value of bit 6 'RFFIX'
		of AGC function control register 3 */
		i2c_writebytes(state, state->config->demod_address,
		agc_ctrl_cfg, sizeof(agc_ctrl_cfg));

		/* Change the TPCLK pin polarity
		data is valid on falling clock */
		i2c_writebytes(state, state->config->demod_address,
		demux_ctrl_cfg, sizeof(demux_ctrl_cfg));

		if (param->u.vsb.modulation == VSB_8) {
		/* Initialization for VSB modes only */
		/* Change the value of NCOCTFV[25:0]of carrier
		recovery center frequency register for VSB */
		i2c_writebytes(state, state->config->demod_address,
		vsb_freq_cfg, sizeof(vsb_freq_cfg));
		} else {
		/* Initialization for QAM modes only */
		/* Set the value of 'INLVTHD' register 0x2a/0x2c
		to value from 'IFACC' register 0x39/0x3b -1 */
		int value;
		i2c_selectreadbytes(state, AGC_RFIF_ACC0,
		&agc_delay_cfg[1], 3);
		value = ((agc_delay_cfg[1] & 0x0f) << 8) \| agc_delay_cfg[3];
		value = value -1;
		dprintk("%s IFACC -1 = 0x%03x\n", __FUNCTION__, value);
		agc_delay_cfg[1] = (value >> 8) & 0x0f;
		agc_delay_cfg[2] = 0x00;
		agc_delay_cfg[3] = value & 0xff;
		i2c_writebytes(state, state->config->demod_address,
		agc_delay_cfg, sizeof(agc_delay_cfg));

		/* Change the value of IAGCBW[15:8]
		of inner AGC loop filter bandwith */
		i2c_writebytes(state, state->config->demod_address,
		agc_loop_cfg, sizeof(agc_loop_cfg));
		}

		state->config->set_ts_params(fe, 0);
		lgdt3302_SwReset(state);
		state->current_modulation = param->u.vsb.modulation;
		}
		#else
		printk("lgdt3302: %s: you need a newer kernel for this, sorry\n",__FUNCTION__);
		#endif

		/* Change only if we are actually changing the channel */
		if (state->current_frequency != param->frequency) {
		dvb_pll_configure(state->config->pll_desc, buf,
		param->frequency, 0);
		dprintk("%s: tuner bytes: 0x%02x 0x%02x "
		"0x%02x 0x%02x\n", __FUNCTION__, buf[0],buf[1],buf[2],buf[3]);
		i2c_writebytes(state, state->config->pll_address ,buf, 4);

		/* Check the status of the tuner pll */
		i2c_readbytes(state, state->config->pll_address, buf, 1);
		dprintk("%s: tuner status byte = 0x%02x\n", __FUNCTION__, buf[0]);

		lgdt3302_SwReset(state);

		/* Update current frequency */
		state->current_frequency = param->frequency;
		}
		return 0;
		}

		static int lgdt3302_get_frontend(struct dvb_frontend* fe,
		struct dvb_frontend_parameters* param)
		{
		struct lgdt3302_state *state = fe->demodulator_priv;
		param->frequency = state->current_frequency;
		return 0;
		}

		static int lgdt3302_read_status(struct dvb_frontend* fe, fe_status_t* status)
		{
		struct lgdt3302_state* state = (struct lgdt3302_state*) fe->demodulator_priv;
		u8 buf[3];

		status = 0; / Reset status result */

		/* Check the status of the tuner pll */
		i2c_readbytes(state, state->config->pll_address, buf, 1);
		dprintk("%s: tuner status byte = 0x%02x\n", __FUNCTION__, buf[0]);
		if ((buf[0] & 0xc0) != 0x40)
		return 0; /* Tuner PLL not locked or not powered on */

		/*
		* You must set the Mask bits to 1 in the IRQ_MASK in order
		* to see that status bit in the IRQ_STATUS register.
		* This is done in SwReset();
		*/

		/* signal status */
		i2c_selectreadbytes(state, TOP_CONTROL, buf, sizeof(buf));
		dprintk("%s: TOP_CONTROL = 0x%02x, IRO_MASK = 0x%02x, IRQ_STATUS = 0x%02x\n", __FUNCTION__, buf[0], buf[1], buf[2]);
		if ((buf[2] & 0x30) == 0x10)
		*status \|= FE_HAS_SIGNAL;

		/* sync status */
		if ((buf[2] & 0x03) == 0x01) {
		*status \|= FE_HAS_SYNC;
		}

		/* FEC error status */
		if ((buf[2] & 0x0c) == 0x08) {
		*status \|= FE_HAS_LOCK;
		*status \|= FE_HAS_VITERBI;
		}

		#if 0
		/* Alternative method to check for a signal */
		/* AGC status register */
		i2c_selectreadbytes(state, AGC_STATUS, buf, 1);
		dprintk("%s: AGC_STATUS = 0x%02x\n", __FUNCTION__, buf[0]);
		if ((buf[0] & 0x0c) == 0x80) /* Test signal does not exist flag */
		/* Test AGC lock flag */
		*status \|= FE_HAS_SIGNAL;
		else
		return 0;

		/* Carrier Recovery Lock Status Register */
		i2c_selectreadbytes(state, CARRIER_LOCK, buf, 1);
		dprintk("%s: CARRIER_LOCK = 0x%02x\n", __FUNCTION__, buf[0]);
		switch (state->current_modulation) {
		case QAM_256:
		case QAM_64:
		/* Need to undestand why there are 3 lock levels here */
		if ((buf[0] & 0x07) == 0x07)
		*status \|= FE_HAS_CARRIER;
		else
		return 0;
		break;
		#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,10)
		case VSB_8:
		if ((buf[0] & 0x80) == 0x80)
		*status \|= FE_HAS_CARRIER;
		else
		return 0;
		break;
		#endif
		default:
		printk("KERN_WARNING lgdt3302: %s: Modulation set to unsupported value\n", __FUNCTION__);
		}
		#endif

		return 0;
		}

		static int lgdt3302_read_signal_strength(struct dvb_frontend* fe, u16* strength)
		{
		/* not directly available. */
		return 0;
		}

		static int lgdt3302_read_snr(struct dvb_frontend* fe, u16* snr)
		{
		#ifdef SNR_IN_DB
		/*
		* Spec sheet shows formula for SNR_EQ = 10 log10(25 * 24**2 / noise)
		* and SNR_PH = 10 log10(25 * 32**2 / noise) for equalizer and phase tracker
		* respectively. The following tables are built on these formulas.
		* The usual definition is SNR = 20 log10(signal/noise)
		* If the specification is wrong the value retuned is 1/2 the actual SNR in db.
		*
		* This table is a an ordered list of noise values computed by the
		* formula from the spec sheet such that the index into the table
		* starting at 43 or 45 is the SNR value in db. There are duplicate noise
		* value entries at the beginning because the SNR varies more than
		* 1 db for a change of 1 digit in noise at very small values of noise.
		*
		* Examples from SNR_EQ table:
		* noise SNR
		* 0 43
		* 1 42
		* 2 39
		* 3 37
		* 4 36
		* 5 35
		* 6 34
		* 7 33
		* 8 33
		* 9 32
		* 10 32
		* 11 31
		* 12 31
		* 13 30
		*/

		static const u32 SNR_EQ[] =
		{ 1, 2, 2, 2, 3, 3, 4, 4, 5, 7,
		9, 11, 13, 17, 21, 26, 33, 41, 52, 65,
		81, 102, 129, 162, 204, 257, 323, 406, 511, 644,
		810, 1020, 1284, 1616, 2035, 2561, 3224, 4059, 5110, 6433,
		8098, 10195, 12835, 16158, 20341, 25608, 32238, 40585, 51094, 64323,
		80978, 101945, 128341, 161571, 203406, 256073, 0x40000
		};

		static const u32 SNR_PH[] =
		{ 1, 2, 2, 2, 3, 3, 4, 5, 6, 8,
		10, 12, 15, 19, 23, 29, 37, 46, 58, 73,
		91, 115, 144, 182, 229, 288, 362, 456, 574, 722,
		909, 1144, 1440, 1813, 2282, 2873, 3617, 4553, 5732, 7216,
		9084, 11436, 14396, 18124, 22817, 28724, 36161, 45524, 57312, 72151,
		90833, 114351, 143960, 181235, 228161, 0x040000
		};

		static u8 buf[5];/* read data buffer */
		static u32 noise; /* noise value */
		static u32 snr_db; /* index into SNR_EQ[] */
		struct lgdt3302_state* state = (struct lgdt3302_state*) fe->demodulator_priv;

		/* read both equalizer and pase tracker noise data */
		i2c_selectreadbytes(state, EQPH_ERR0, buf, sizeof(buf));

		if (state->current_modulation == VSB_8) {
		/* Equalizer Mean-Square Error Register for VSB */
		noise = ((buf[0] & 7) << 16) \| (buf[1] << 8) \| buf[2];

		/*
		* Look up noise value in table.
		* A better search algorithm could be used...
		* watch out there are duplicate entries.
		*/
		for (snr_db = 0; snr_db < sizeof(SNR_EQ); snr_db++) {
		if (noise < SNR_EQ[snr_db]) {
		*snr = 43 - snr_db;
		break;
		}
		}
		} else {
		/* Phase Tracker Mean-Square Error Register for QAM */
		noise = ((buf[0] & 7<<3) << 13) \| (buf[3] << 8) \| buf[4];

		/* Look up noise value in table. */
		for (snr_db = 0; snr_db < sizeof(SNR_PH); snr_db++) {
		if (noise < SNR_PH[snr_db]) {
		*snr = 45 - snr_db;
		break;
		}
		}
		}
		#else
		/* Return the raw noise value */
		static u8 buf[5];/* read data buffer */
		static u32 noise; /* noise value */
		struct lgdt3302_state* state = (struct lgdt3302_state*) fe->demodulator_priv;

		/* read both equalizer and pase tracker noise data */
		i2c_selectreadbytes(state, EQPH_ERR0, buf, sizeof(buf));

		if (state->current_modulation == VSB_8) {
		/* Equalizer Mean-Square Error Register for VSB */
		noise = ((buf[0] & 7) << 16) \| (buf[1] << 8) \| buf[2];
		} else {
		/* Phase Tracker Mean-Square Error Register for QAM */
		noise = ((buf[0] & 7<<3) << 13) \| (buf[3] << 8) \| buf[4];
		}

		/* Small values for noise mean signal is better so invert noise */
		/* Noise is 19 bit value so discard 3 LSB*/
		*snr = ~noise>>3;
		#endif

		dprintk("%s: noise = 0x%05x, snr = %idb\n",__FUNCTION__, noise, *snr);

		return 0;
		}

		static int lgdt3302_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fe_tune_settings)
		{
		/* I have no idea about this - it may not be needed */
		fe_tune_settings->min_delay_ms = 500;
		fe_tune_settings->step_size = 0;
		fe_tune_settings->max_drift = 0;
		return 0;
		}

		static void lgdt3302_release(struct dvb_frontend* fe)
		{
		struct lgdt3302_state* state = (struct lgdt3302_state*) fe->demodulator_priv;
		kfree(state);
		}

		static struct dvb_frontend_ops lgdt3302_ops;

		struct dvb_frontend* lgdt3302_attach(const struct lgdt3302_config* config,
		struct i2c_adapter* i2c)
		{
		struct lgdt3302_state* state = NULL;
		u8 buf[1];

		/* Allocate memory for the internal state */
		state = (struct lgdt3302_state*) kmalloc(sizeof(struct lgdt3302_state), GFP_KERNEL);
		if (state == NULL)
		goto error;
		memset(state,0,sizeof(*state));

		/* Setup the state */
		state->config = config;
		state->i2c = i2c;
		memcpy(&state->ops, &lgdt3302_ops, sizeof(struct dvb_frontend_ops));
		/* Verify communication with demod chip */
		if (i2c_selectreadbytes(state, 2, buf, 1))
		goto error;

		state->current_frequency = -1;
		state->current_modulation = -1;

		/* Create dvb_frontend */
		state->frontend.ops = &state->ops;
		state->frontend.demodulator_priv = state;
		return &state->frontend;

		error:
		if (state)
		kfree(state);
		dprintk("%s: ERROR\n",__FUNCTION__);
		return NULL;
		}

		static struct dvb_frontend_ops lgdt3302_ops = {
		.info = {
		.name= "LG Electronics LGDT3302 VSB/QAM Frontend",
		.type = FE_ATSC,
		.frequency_min= 54000000,
		.frequency_max= 858000000,
		.frequency_stepsize= 62500,
		/* Symbol rate is for all VSB modes need to check QAM */
		.symbol_rate_min = 10762000,
		.symbol_rate_max = 10762000,
		.caps = FE_CAN_QAM_64 \| FE_CAN_QAM_256 \| FE_CAN_8VSB
		},
		.init = lgdt3302_init,
		.set_frontend = lgdt3302_set_parameters,
		.get_frontend = lgdt3302_get_frontend,
		.get_tune_settings = lgdt3302_get_tune_settings,
		.read_status = lgdt3302_read_status,
		.read_ber = lgdt3302_read_ber,
		.read_signal_strength = lgdt3302_read_signal_strength,
		.read_snr = lgdt3302_read_snr,
		.read_ucblocks = lgdt3302_read_ucblocks,
		.release = lgdt3302_release,
		};

		MODULE_DESCRIPTION("LGDT3302 [DViCO FusionHDTV 3 Gold] (ATSC 8VSB & ITU-T J.83 AnnexB 64/256 QAM) Demodulator Driver");
		MODULE_AUTHOR("Wilson Michaels");
		MODULE_LICENSE("GPL");

		EXPORT_SYMBOL(lgdt3302_attach);

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