diff --git a/drivers/media/dvb-frontends/Kconfig b/drivers/media/dvb-frontends/Kconfig
index 643b851a6b60..b1ded2137f0e 100644
--- a/drivers/media/dvb-frontends/Kconfig
+++ b/drivers/media/dvb-frontends/Kconfig
@@ -708,6 +708,15 @@ config DVB_S5H1411
 	  An ATSC 8VSB and QAM64/256 tuner module. Say Y when you want
 	  to support this frontend.
 
+config DVB_MXL692
+	tristate "MaxLinear MXL692 based"
+	depends on DVB_CORE && I2C
+	default m if !MEDIA_SUBDRV_AUTOSELECT
+	help
+	  MaxLinear MxL692 is a combo tuner-demodulator that
+	  supports ATSC 8VSB and QAM modes. Say Y when you want to
+	  support this frontend.
+
 comment "ISDB-T (terrestrial) frontends"
 	depends on DVB_CORE
 
diff --git a/drivers/media/dvb-frontends/Makefile b/drivers/media/dvb-frontends/Makefile
index e9179162658c..b9f47d68e14e 100644
--- a/drivers/media/dvb-frontends/Makefile
+++ b/drivers/media/dvb-frontends/Makefile
@@ -55,6 +55,7 @@ obj-$(CONFIG_DVB_S5H1420) += s5h1420.o
 obj-$(CONFIG_DVB_LGDT330X) += lgdt330x.o
 obj-$(CONFIG_DVB_LGDT3305) += lgdt3305.o
 obj-$(CONFIG_DVB_LGDT3306A) += lgdt3306a.o
+obj-$(CONFIG_DVB_MXL692) += mxl692.o
 obj-$(CONFIG_DVB_LG2160) += lg2160.o
 obj-$(CONFIG_DVB_CX24123) += cx24123.o
 obj-$(CONFIG_DVB_LNBH25) += lnbh25.o
diff --git a/drivers/media/dvb-frontends/mxl692.c b/drivers/media/dvb-frontends/mxl692.c
new file mode 100644
index 000000000000..86af831c0176
--- /dev/null
+++ b/drivers/media/dvb-frontends/mxl692.c
@@ -0,0 +1,1378 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Driver for the MaxLinear MxL69x family of combo tuners/demods
+ *
+ * Copyright (C) 2020 Brad Love <brad@nextdimension.cc>
+ *
+ * based on code:
+ * Copyright (c) 2016 MaxLinear, Inc. All rights reserved
+ * which was released under GPL V2
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2, as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+#include <linux/mutex.h>
+#include <linux/i2c-mux.h>
+#include <linux/string.h>
+#include <linux/firmware.h>
+
+#include "mxl692.h"
+#include "mxl692_defs.h"
+
+static const struct dvb_frontend_ops mxl692_ops;
+
+struct mxl692_dev {
+	struct dvb_frontend fe;
+	struct i2c_client *i2c_client;
+	struct mutex i2c_lock;		/* i2c command mutex */
+	enum MXL_EAGLE_DEMOD_TYPE_E demod_type;
+	enum MXL_EAGLE_POWER_MODE_E power_mode;
+	u32 current_frequency;
+	int device_type;
+	int seqnum;
+	int init_done;
+};
+
+static int mxl692_i2c_write(struct mxl692_dev *dev, u8 *buffer, u16 buf_len)
+{
+	int ret = 0;
+	struct i2c_msg msg = {
+		.addr = dev->i2c_client->addr,
+		.flags = 0,
+		.buf = buffer,
+		.len = buf_len
+	};
+
+	ret = i2c_transfer(dev->i2c_client->adapter, &msg, 1);
+	if (ret != 1)
+		dev_dbg(&dev->i2c_client->dev, "i2c write error!\n");
+
+	return ret;
+}
+
+static int mxl692_i2c_read(struct mxl692_dev *dev, u8 *buffer, u16 buf_len)
+{
+	int ret = 0;
+	struct i2c_msg msg = {
+		.addr = dev->i2c_client->addr,
+		.flags = I2C_M_RD,
+		.buf = buffer,
+		.len = buf_len
+	};
+
+	ret = i2c_transfer(dev->i2c_client->adapter, &msg, 1);
+	if (ret != 1)
+		dev_dbg(&dev->i2c_client->dev, "i2c read error!\n");
+
+	return ret;
+}
+
+static int convert_endian(u32 size, u8 *d)
+{
+	u32 i;
+
+	for (i = 0; i < (size & ~3); i += 4) {
+		d[i + 0] ^= d[i + 3];
+		d[i + 3] ^= d[i + 0];
+		d[i + 0] ^= d[i + 3];
+
+		d[i + 1] ^= d[i + 2];
+		d[i + 2] ^= d[i + 1];
+		d[i + 1] ^= d[i + 2];
+	}
+
+	switch (size & 3) {
+	case 0:
+	case 1:
+		/* do nothing */
+		break;
+	case 2:
+		d[i + 0] ^= d[i + 1];
+		d[i + 1] ^= d[i + 0];
+		d[i + 0] ^= d[i + 1];
+		break;
+
+	case 3:
+		d[i + 0] ^= d[i + 2];
+		d[i + 2] ^= d[i + 0];
+		d[i + 0] ^= d[i + 2];
+		break;
+	}
+	return size;
+}
+
+static int convert_endian_n(int n, u32 size, u8 *d)
+{
+	int i, count = 0;
+
+	for (i = 0; i < n; i += size)
+		count += convert_endian(size, d + i);
+	return count;
+}
+
+static void mxl692_tx_swap(enum MXL_EAGLE_OPCODE_E opcode, u8 *buffer)
+{
+#ifdef __BIG_ENDIAN
+	return;
+#endif
+	buffer += MXL_EAGLE_HOST_MSG_HEADER_SIZE; /* skip API header */
+
+	switch (opcode) {
+	case MXL_EAGLE_OPCODE_DEVICE_INTR_MASK_SET:
+	case MXL_EAGLE_OPCODE_TUNER_CHANNEL_TUNE_SET:
+	case MXL_EAGLE_OPCODE_SMA_TRANSMIT_SET:
+		buffer += convert_endian(sizeof(u32), buffer);
+		break;
+	case MXL_EAGLE_OPCODE_QAM_PARAMS_SET:
+		buffer += 5;
+		buffer += convert_endian(2 * sizeof(u32), buffer);
+		break;
+	default:
+		/* no swapping - all get opcodes */
+		/* ATSC/OOB no swapping */
+		break;
+	}
+}
+
+static void mxl692_rx_swap(enum MXL_EAGLE_OPCODE_E opcode, u8 *buffer)
+{
+#ifdef __BIG_ENDIAN
+	return;
+#endif
+	buffer += MXL_EAGLE_HOST_MSG_HEADER_SIZE; /* skip API header */
+
+	switch (opcode) {
+	case MXL_EAGLE_OPCODE_TUNER_AGC_STATUS_GET:
+		buffer++;
+		buffer += convert_endian(2 * sizeof(u16), buffer);
+		break;
+	case MXL_EAGLE_OPCODE_ATSC_STATUS_GET:
+		buffer += convert_endian_n(2, sizeof(u16), buffer);
+		buffer += convert_endian(sizeof(u32), buffer);
+		break;
+	case MXL_EAGLE_OPCODE_ATSC_ERROR_COUNTERS_GET:
+		buffer += convert_endian(3 * sizeof(u32), buffer);
+		break;
+	case MXL_EAGLE_OPCODE_ATSC_EQUALIZER_FILTER_FFE_TAPS_GET:
+		buffer += convert_endian_n(24, sizeof(u16), buffer);
+		break;
+	case MXL_EAGLE_OPCODE_QAM_STATUS_GET:
+		buffer += 8;
+		buffer += convert_endian_n(2, sizeof(u16), buffer);
+		buffer += convert_endian(sizeof(u32), buffer);
+		break;
+	case MXL_EAGLE_OPCODE_QAM_ERROR_COUNTERS_GET:
+		buffer += convert_endian(7 * sizeof(u32), buffer);
+		break;
+	case MXL_EAGLE_OPCODE_QAM_CONSTELLATION_VALUE_GET:
+	case MXL_EAGLE_OPCODE_QAM_EQUALIZER_FILTER_DFE_START_GET:
+	case MXL_EAGLE_OPCODE_QAM_EQUALIZER_FILTER_DFE_MIDDLE_GET:
+	case MXL_EAGLE_OPCODE_QAM_EQUALIZER_FILTER_DFE_END_GET:
+	case MXL_EAGLE_OPCODE_QAM_EQUALIZER_FILTER_SPUR_START_GET:
+		buffer += convert_endian_n(24, sizeof(u16), buffer);
+		break;
+	case MXL_EAGLE_OPCODE_QAM_EQUALIZER_FILTER_SPUR_END_GET:
+		buffer += convert_endian_n(8, sizeof(u16), buffer);
+		break;
+	case MXL_EAGLE_OPCODE_QAM_EQUALIZER_FILTER_FFE_GET:
+		buffer += convert_endian_n(17, sizeof(u16), buffer);
+		break;
+	case MXL_EAGLE_OPCODE_OOB_ERROR_COUNTERS_GET:
+		buffer += convert_endian(3 * sizeof(u32), buffer);
+		break;
+	case MXL_EAGLE_OPCODE_OOB_STATUS_GET:
+		buffer += convert_endian_n(2, sizeof(u16), buffer);
+		buffer += convert_endian(sizeof(u32), buffer);
+		break;
+	case MXL_EAGLE_OPCODE_SMA_RECEIVE_GET:
+		buffer += convert_endian(sizeof(u32), buffer);
+		break;
+	default:
+		/* no swapping - all set opcodes */
+		break;
+	}
+}
+
+static u32 mxl692_checksum(u8 *buffer, u32 size)
+{
+	u32 ix, div_size;
+	u32 cur_cksum = 0;
+	__be32 *buf;
+
+	div_size = DIV_ROUND_UP(size, 4);
+
+	buf = (__be32 *)buffer;
+	for (ix = 0; ix < div_size; ix++)
+		cur_cksum += be32_to_cpu(buf[ix]);
+
+	cur_cksum ^= 0xDEADBEEF;
+
+	return cur_cksum;
+}
+
+static int mxl692_validate_fw_header(struct mxl692_dev *dev,
+				     const u8 *buffer, u32 buf_len)
+{
+	int status = 0;
+	u32 ix, temp;
+	__be32 *local_buf = NULL;
+	u8 temp_cksum = 0;
+	const u8 fw_hdr[] = { 0x4D, 0x31, 0x10, 0x02, 0x40, 0x00, 0x00, 0x80 };
+
+	if (memcmp(buffer, fw_hdr, 8) != 0) {
+		status = -EINVAL;
+		goto err_finish;
+	}
+
+	local_buf = (__be32 *)(buffer + 8);
+	temp = be32_to_cpu(*local_buf);
+
+	if ((buf_len - 16) != temp >> 8) {
+		status = -EINVAL;
+		goto err_finish;
+	}
+
+	for (ix = 16; ix < buf_len; ix++)
+		temp_cksum += buffer[ix];
+
+	if (temp_cksum != buffer[11])
+		status = -EINVAL;
+
+err_finish:
+	if (status)
+		dev_dbg(&dev->i2c_client->dev, "failed\n");
+	return status;
+}
+
+static int mxl692_write_fw_block(struct mxl692_dev *dev, const u8 *buffer,
+				 u32 buf_len, u32 *index)
+{
+	int status = 0;
+	u32 ix = 0, total_len = 0, addr = 0, chunk_len = 0, prevchunk_len = 0;
+	u8 local_buf[MXL_EAGLE_MAX_I2C_PACKET_SIZE] = {}, *plocal_buf = NULL;
+	int payload_max = MXL_EAGLE_MAX_I2C_PACKET_SIZE - MXL_EAGLE_I2C_MHEADER_SIZE;
+
+	ix = *index;
+
+	if (buffer[ix] == 0x53) {
+		total_len = buffer[ix + 1] << 16 | buffer[ix + 2] << 8 | buffer[ix + 3];
+		total_len = (total_len + 3) & ~3;
+		addr      = buffer[ix + 4] << 24 | buffer[ix + 5] << 16 |
+			    buffer[ix + 6] << 8 | buffer[ix + 7];
+		ix       += MXL_EAGLE_FW_SEGMENT_HEADER_SIZE;
+
+		while ((total_len > 0) && (status == 0)) {
+			plocal_buf = local_buf;
+			chunk_len  = (total_len < payload_max) ? total_len : payload_max;
+
+			*plocal_buf++ = 0xFC;
+			*plocal_buf++ = chunk_len + sizeof(u32);
+
+			*(u32 *)plocal_buf = addr + prevchunk_len;
+#ifdef __BIG_ENDIAN
+			convert_endian(sizeof(u32), plocal_buf);
+#endif
+			plocal_buf += sizeof(u32);
+
+			memcpy(plocal_buf, &buffer[ix], chunk_len);
+			convert_endian(chunk_len, plocal_buf);
+			if (mxl692_i2c_write(dev, local_buf,
+					     (chunk_len + MXL_EAGLE_I2C_MHEADER_SIZE)) < 0) {
+				status = -EREMOTEIO;
+				break;
+			}
+
+			prevchunk_len += chunk_len;
+			total_len -= chunk_len;
+			ix += chunk_len;
+		}
+		*index = ix;
+	} else {
+		status = -EINVAL;
+	}
+
+	if (status)
+		dev_dbg(&dev->i2c_client->dev, "err %d\n", status);
+
+	return status;
+}
+
+static int mxl692_memwrite(struct mxl692_dev *dev, u32 addr,
+			   u8 *buffer, u32 size)
+{
+	int status = 0, total_len = 0;
+	u8 local_buf[MXL_EAGLE_MAX_I2C_PACKET_SIZE] = {}, *plocal_buf = NULL;
+
+	total_len = size;
+	total_len = (total_len + 3) & ~3;  /* 4 byte alignment */
+
+	if (total_len > (MXL_EAGLE_MAX_I2C_PACKET_SIZE - MXL_EAGLE_I2C_MHEADER_SIZE))
+		dev_dbg(&dev->i2c_client->dev, "hrmph?\n");
+
+	plocal_buf = local_buf;
+
+	*plocal_buf++ = 0xFC;
+	*plocal_buf++ = total_len + sizeof(u32);
+
+	*(u32 *)plocal_buf = addr;
+	plocal_buf += sizeof(u32);
+
+	memcpy(plocal_buf, buffer, total_len);
+#ifdef __BIG_ENDIAN
+	convert_endian(sizeof(u32) + total_len, local_buf + 2);
+#endif
+	if (mxl692_i2c_write(dev, local_buf,
+			     (total_len + MXL_EAGLE_I2C_MHEADER_SIZE)) < 0) {
+		status = -EREMOTEIO;
+		goto err_finish;
+	}
+
+	return status;
+err_finish:
+	dev_dbg(&dev->i2c_client->dev, "err %d\n", status);
+	return status;
+}
+
+static int mxl692_memread(struct mxl692_dev *dev, u32 addr,
+			  u8 *buffer, u32 size)
+{
+	int status = 0;
+	u8 local_buf[MXL_EAGLE_I2C_MHEADER_SIZE] = {}, *plocal_buf = NULL;
+
+	plocal_buf = local_buf;
+
+	*plocal_buf++ = 0xFB;
+	*plocal_buf++ = sizeof(u32);
+	*(u32 *)plocal_buf = addr;
+#ifdef __BIG_ENDIAN
+	convert_endian(sizeof(u32), plocal_buf);
+#endif
+	mutex_lock(&dev->i2c_lock);
+
+	if (mxl692_i2c_write(dev, local_buf, MXL_EAGLE_I2C_MHEADER_SIZE) > 0) {
+		size = (size + 3) & ~3;  /* 4 byte alignment */
+		status = mxl692_i2c_read(dev, buffer, (u16)size) < 0 ? -EREMOTEIO : 0;
+#ifdef __BIG_ENDIAN
+		if (status == 0)
+			convert_endian(size, buffer);
+#endif
+	} else {
+		status = -EREMOTEIO;
+	}
+
+	mutex_unlock(&dev->i2c_lock);
+
+	if (status)
+		dev_dbg(&dev->i2c_client->dev, "err %d\n", status);
+
+	return status;
+}
+
+static const char *mxl692_opcode_string(u8 opcode)
+{
+	if (opcode >= 0 && opcode <= MXL_EAGLE_OPCODE_INTERNAL)
+		return MXL_EAGLE_OPCODE_STRING[opcode];
+
+	return "invalid opcode";
+}
+
+static int mxl692_opwrite(struct mxl692_dev *dev, u8 *buffer,
+			  u32 size)
+{
+	int status = 0, total_len = 0;
+	u8 local_buf[MXL_EAGLE_MAX_I2C_PACKET_SIZE] = {}, *plocal_buf = NULL;
+	struct MXL_EAGLE_HOST_MSG_HEADER_T *tx_hdr = (struct MXL_EAGLE_HOST_MSG_HEADER_T *)buffer;
+
+	total_len = size;
+	total_len = (total_len + 3) & ~3;  /* 4 byte alignment */
+
+	if (total_len > (MXL_EAGLE_MAX_I2C_PACKET_SIZE - MXL_EAGLE_I2C_PHEADER_SIZE))
+		dev_dbg(&dev->i2c_client->dev, "hrmph?\n");
+
+	plocal_buf = local_buf;
+
+	*plocal_buf++ = 0xFE;
+	*plocal_buf++ = (u8)total_len;
+
+	memcpy(plocal_buf, buffer, total_len);
+	convert_endian(total_len, plocal_buf);
+
+	if (mxl692_i2c_write(dev, local_buf,
+			     (total_len + MXL_EAGLE_I2C_PHEADER_SIZE)) < 0) {
+		status = -EREMOTEIO;
+		goto err_finish;
+	}
+err_finish:
+	if (status)
+		dev_dbg(&dev->i2c_client->dev, "opcode %s  err %d\n",
+			mxl692_opcode_string(tx_hdr->opcode), status);
+	return status;
+}
+
+static int mxl692_opread(struct mxl692_dev *dev, u8 *buffer,
+			 u32 size)
+{
+	int status = 0;
+	u32 ix = 0;
+	u8 local_buf[MXL_EAGLE_I2C_PHEADER_SIZE] = {};
+
+	local_buf[0] = 0xFD;
+	local_buf[1] = 0;
+
+	if (mxl692_i2c_write(dev, local_buf, MXL_EAGLE_I2C_PHEADER_SIZE) > 0) {
+		size = (size + 3) & ~3;  /* 4 byte alignment */
+
+		/* Read in 4 byte chunks */
+		for (ix = 0; ix < size; ix += 4) {
+			if (mxl692_i2c_read(dev, buffer + ix, 4) < 0) {
+				dev_dbg(&dev->i2c_client->dev, "ix=%d   size=%d\n", ix, size);
+				status = -EREMOTEIO;
+				goto err_finish;
+			}
+		}
+		convert_endian(size, buffer);
+	} else {
+		status = -EREMOTEIO;
+	}
+err_finish:
+	if (status)
+		dev_dbg(&dev->i2c_client->dev, "err %d\n", status);
+	return status;
+}
+
+static int mxl692_i2c_writeread(struct mxl692_dev *dev,
+				u8 opcode,
+				u8 *tx_payload,
+				u8 tx_payload_size,
+				u8 *rx_payload,
+				u8 rx_payload_expected)
+{
+	int status = 0, timeout = 40;
+	u8 tx_buf[MXL_EAGLE_MAX_I2C_PACKET_SIZE] = {};
+	u8 rx_buf[MXL_EAGLE_MAX_I2C_PACKET_SIZE] = {};
+	u32 resp_checksum = 0, resp_checksum_tmp = 0;
+	struct MXL_EAGLE_HOST_MSG_HEADER_T *tx_header;
+	struct MXL_EAGLE_HOST_MSG_HEADER_T *rx_header;
+
+	mutex_lock(&dev->i2c_lock);
+
+	if ((tx_payload_size + MXL_EAGLE_HOST_MSG_HEADER_SIZE) >
+	    (MXL_EAGLE_MAX_I2C_PACKET_SIZE - MXL_EAGLE_I2C_PHEADER_SIZE)) {
+		status = -EINVAL;
+		goto err_finish;
+	}
+
+	tx_header = (struct MXL_EAGLE_HOST_MSG_HEADER_T *)tx_buf;
+	tx_header->opcode = opcode;
+	tx_header->seqnum = dev->seqnum++;
+	tx_header->payload_size = tx_payload_size;
+	tx_header->checksum = 0;
+
+	if (dev->seqnum == 0)
+		dev->seqnum = 1;
+
+	if (tx_payload && tx_payload_size > 0)
+		memcpy(&tx_buf[MXL_EAGLE_HOST_MSG_HEADER_SIZE], tx_payload, tx_payload_size);
+
+	mxl692_tx_swap(opcode, tx_buf);
+
+	tx_header->checksum = 0;
+	tx_header->checksum = mxl692_checksum(tx_buf,
+					      MXL_EAGLE_HOST_MSG_HEADER_SIZE + tx_payload_size);
+#ifdef __LITTLE_ENDIAN
+	convert_endian(4, (u8 *)&tx_header->checksum); /* cksum is big endian */
+#endif
+	/* send Tx message */
+	status = mxl692_opwrite(dev, tx_buf,
+				tx_payload_size + MXL_EAGLE_HOST_MSG_HEADER_SIZE);
+	if (status) {
+		status = -EREMOTEIO;
+		goto err_finish;
+	}
+
+	/* receive Rx message (polling) */
+	rx_header = (struct MXL_EAGLE_HOST_MSG_HEADER_T *)rx_buf;
+
+	do {
+		status = mxl692_opread(dev, rx_buf,
+				       rx_payload_expected + MXL_EAGLE_HOST_MSG_HEADER_SIZE);
+		usleep_range(1000, 2000);
+		timeout--;
+	} while ((timeout > 0) && (status == 0) &&
+		 (rx_header->seqnum == 0) &&
+		 (rx_header->checksum == 0));
+
+	if (timeout == 0 || status) {
+		dev_dbg(&dev->i2c_client->dev, "timeout=%d   status=%d\n",
+			timeout, status);
+		status = -ETIMEDOUT;
+		goto err_finish;
+	}
+
+	if (rx_header->status) {
+		dev_dbg(&dev->i2c_client->dev, "rx header status code: %d\n", rx_header->status);
+		status = -EREMOTEIO;
+		goto err_finish;
+	}
+
+	if (rx_header->seqnum != tx_header->seqnum ||
+	    rx_header->opcode != tx_header->opcode ||
+	    rx_header->payload_size != rx_payload_expected) {
+		dev_dbg(&dev->i2c_client->dev, "Something failed seq=%s  opcode=%s  pSize=%s\n",
+			rx_header->seqnum != tx_header->seqnum ? "X" : "0",
+			rx_header->opcode != tx_header->opcode ? "X" : "0",
+			rx_header->payload_size != rx_payload_expected ? "X" : "0");
+		if (rx_header->payload_size != rx_payload_expected)
+			dev_dbg(&dev->i2c_client->dev,
+				"rx_header->payloadSize=%d   rx_payload_expected=%d\n",
+				rx_header->payload_size, rx_payload_expected);
+		status = -EREMOTEIO;
+		goto err_finish;
+	}
+
+	resp_checksum = rx_header->checksum;
+	rx_header->checksum = 0;
+
+	resp_checksum_tmp = mxl692_checksum(rx_buf,
+					    MXL_EAGLE_HOST_MSG_HEADER_SIZE + rx_header->payload_size);
+#ifdef __LITTLE_ENDIAN
+	convert_endian(4, (u8 *)&resp_checksum_tmp); /* cksum is big endian */
+#endif
+	if (resp_checksum != resp_checksum_tmp) {
+		dev_dbg(&dev->i2c_client->dev, "rx checksum failure\n");
+		status = -EREMOTEIO;
+		goto err_finish;
+	}
+
+	mxl692_rx_swap(rx_header->opcode, rx_buf);
+
+	if (rx_header->payload_size > 0) {
+		if (!rx_payload) {
+			dev_dbg(&dev->i2c_client->dev, "no rx payload?!?\n");
+			status = -EREMOTEIO;
+			goto err_finish;
+		}
+		memcpy(rx_payload, rx_buf + MXL_EAGLE_HOST_MSG_HEADER_SIZE,
+		       rx_header->payload_size);
+	}
+err_finish:
+	if (status)
+		dev_dbg(&dev->i2c_client->dev, "err %d\n", status);
+
+	mutex_unlock(&dev->i2c_lock);
+	return status;
+}
+
+static int mxl692_fwdownload(struct mxl692_dev *dev,
+			     const u8 *firmware_buf, u32 buf_len)
+{
+	int status = 0;
+	u32 ix, reg_val = 0x1;
+	u8 rx_buf[MXL_EAGLE_MAX_I2C_PACKET_SIZE] = {};
+	struct MXL_EAGLE_DEV_STATUS_T *dev_status;
+
+	if (buf_len < MXL_EAGLE_FW_HEADER_SIZE ||
+	    buf_len > MXL_EAGLE_FW_MAX_SIZE_IN_KB * 1000)
+		return -EINVAL;
+
+	mutex_lock(&dev->i2c_lock);
+
+	dev_dbg(&dev->i2c_client->dev, "\n");
+
+	status = mxl692_validate_fw_header(dev, firmware_buf, buf_len);
+	if (status)
+		goto err_finish;
+
+	ix = 16;
+	status = mxl692_write_fw_block(dev, firmware_buf, buf_len, &ix); /* DRAM */
+	if (status)
+		goto err_finish;
+
+	status = mxl692_write_fw_block(dev, firmware_buf, buf_len, &ix); /* IRAM */
+	if (status)
+		goto err_finish;
+
+	/* release CPU from reset */
+	status = mxl692_memwrite(dev, 0x70000018, (u8 *)&reg_val, sizeof(u32));
+	if (status)
+		goto err_finish;
+
+	mutex_unlock(&dev->i2c_lock);
+
+	if (status == 0) {
+		/* verify FW is alive */
+		usleep_range(MXL_EAGLE_FW_LOAD_TIME * 1000, (MXL_EAGLE_FW_LOAD_TIME + 5) * 1000);
+		dev_status = (struct MXL_EAGLE_DEV_STATUS_T *)&rx_buf;
+		status = mxl692_i2c_writeread(dev,
+					      MXL_EAGLE_OPCODE_DEVICE_STATUS_GET,
+					      NULL,
+					      0,
+					      (u8 *)dev_status,
+					      sizeof(struct MXL_EAGLE_DEV_STATUS_T));
+	}
+
+	return status;
+err_finish:
+	mutex_unlock(&dev->i2c_lock);
+	if (status)
+		dev_dbg(&dev->i2c_client->dev, "err %d\n", status);
+	return status;
+}
+
+static int mxl692_get_versions(struct mxl692_dev *dev)
+{
+	int status = 0;
+	struct MXL_EAGLE_DEV_VER_T dev_ver = {};
+	static const char * const chip_id[] = {"N/A", "691", "248", "692"};
+
+	status = mxl692_i2c_writeread(dev, MXL_EAGLE_OPCODE_DEVICE_VERSION_GET,
+				      NULL,
+				      0,
+				      (u8 *)&dev_ver,
+				      sizeof(struct MXL_EAGLE_DEV_VER_T));
+	if (status)
+		return status;
+
+	dev_info(&dev->i2c_client->dev, "MxL692_DEMOD Chip ID: %s\n",
+		 chip_id[dev_ver.chip_id]);
+
+	dev_info(&dev->i2c_client->dev,
+		 "MxL692_DEMOD FW Version: %d.%d.%d.%d_RC%d\n",
+		 dev_ver.firmware_ver[0],
+		 dev_ver.firmware_ver[1],
+		 dev_ver.firmware_ver[2],
+		 dev_ver.firmware_ver[3],
+		 dev_ver.firmware_ver[4]);
+
+	return status;
+}
+
+static int mxl692_reset(struct mxl692_dev *dev)
+{
+	int status = 0;
+	u32 dev_type = MXL_EAGLE_DEVICE_MAX, reg_val = 0x2;
+
+	dev_dbg(&dev->i2c_client->dev, "\n");
+
+	/* legacy i2c override */
+	status = mxl692_memwrite(dev, 0x80000100, (u8 *)&reg_val, sizeof(u32));
+	if (status)
+		goto err_finish;
+
+	/* verify sku */
+	status = mxl692_memread(dev, 0x70000188, (u8 *)&dev_type, sizeof(u32));
+	if (status)
+		goto err_finish;
+
+	if (dev_type != dev->device_type)
+		goto err_finish;
+
+err_finish:
+	if (status)
+		dev_dbg(&dev->i2c_client->dev, "err %d\n", status);
+	return status;
+}
+
+static int mxl692_config_regulators(struct mxl692_dev *dev,
+				    enum MXL_EAGLE_POWER_SUPPLY_SOURCE_E power_supply)
+{
+	int status = 0;
+	u32 reg_val;
+
+	dev_dbg(&dev->i2c_client->dev, "\n");
+
+	/* configure main regulator according to the power supply source */
+	status = mxl692_memread(dev, 0x90000000, (u8 *)&reg_val, sizeof(u32));
+	if (status)
+		goto err_finish;
+
+	reg_val &= 0x00FFFFFF;
+	reg_val |= (power_supply == MXL_EAGLE_POWER_SUPPLY_SOURCE_SINGLE) ?
+					0x14000000 : 0x10000000;
+
+	status = mxl692_memwrite(dev, 0x90000000, (u8 *)&reg_val, sizeof(u32));
+	if (status)
+		goto err_finish;
+
+	/* configure digital regulator to high current mode */
+	status = mxl692_memread(dev, 0x90000018, (u8 *)&reg_val, sizeof(u32));
+	if (status)
+		goto err_finish;
+
+	reg_val |= 0x800;
+
+	status = mxl692_memwrite(dev, 0x90000018, (u8 *)&reg_val, sizeof(u32));
+
+err_finish:
+	if (status)
+		dev_dbg(&dev->i2c_client->dev, "err %d\n", status);
+	return status;
+}
+
+static int mxl692_config_xtal(struct mxl692_dev *dev,
+			      struct MXL_EAGLE_DEV_XTAL_T *dev_xtal)
+{
+	int status = 0;
+	u32 reg_val, reg_val1;
+
+	dev_dbg(&dev->i2c_client->dev, "\n");
+
+	status = mxl692_memread(dev, 0x90000000, (u8 *)&reg_val, sizeof(u32));
+	if (status)
+		goto err_finish;
+
+	/* set XTAL capacitance */
+	reg_val &= 0xFFFFFFE0;
+	reg_val |= dev_xtal->xtal_cap;
+
+	/* set CLK OUT */
+	reg_val = dev_xtal->clk_out_enable ? (reg_val | 0x0100) : (reg_val & 0xFFFFFEFF);
+
+	status = mxl692_memwrite(dev, 0x90000000, (u8 *)&reg_val, sizeof(u32));
+	if (status)
+		goto err_finish;
+
+	/* set CLK OUT divider */
+	reg_val = dev_xtal->clk_out_div_enable ? (reg_val | 0x0200) : (reg_val & 0xFFFFFDFF);
+
+	status = mxl692_memwrite(dev, 0x90000000, (u8 *)&reg_val, sizeof(u32));
+	if (status)
+		goto err_finish;
+
+	/* set XTAL sharing */
+	reg_val = dev_xtal->xtal_sharing_enable ? (reg_val | 0x010400) : (reg_val & 0xFFFEFBFF);
+
+	status = mxl692_memwrite(dev, 0x90000000, (u8 *)&reg_val, sizeof(u32));
+	if (status)
+		goto err_finish;
+
+	/* enable/disable XTAL calibration, based on master/slave device */
+	status = mxl692_memread(dev, 0x90000030, (u8 *)&reg_val1, sizeof(u32));
+	if (status)
+		goto err_finish;
+
+	if (dev_xtal->xtal_calibration_enable) {
+		/* enable XTAL calibration and set XTAL amplitude to a higher value */
+		reg_val1 &= 0xFFFFFFFD;
+		reg_val1 |= 0x30;
+
+		status = mxl692_memwrite(dev, 0x90000030, (u8 *)&reg_val1, sizeof(u32));
+		if (status)
+			goto err_finish;
+	} else {
+		/* disable XTAL calibration */
+		reg_val1 |= 0x2;
+
+		status = mxl692_memwrite(dev, 0x90000030, (u8 *)&reg_val1, sizeof(u32));
+		if (status)
+			goto err_finish;
+
+		/* set XTAL bias value */
+		status = mxl692_memread(dev, 0x9000002c, (u8 *)&reg_val, sizeof(u32));
+		if (status)
+			goto err_finish;
+
+		reg_val &= 0xC0FFFFFF;
+		reg_val |= 0xA000000;
+
+		status = mxl692_memwrite(dev, 0x9000002c, (u8 *)&reg_val, sizeof(u32));
+		if (status)
+			goto err_finish;
+	}
+
+	/* start XTAL calibration */
+	status = mxl692_memread(dev, 0x70000010, (u8 *)&reg_val, sizeof(u32));
+	if (status)
+		goto err_finish;
+
+	reg_val |= 0x8;
+
+	status = mxl692_memwrite(dev, 0x70000010, (u8 *)&reg_val, sizeof(u32));
+	if (status)
+		goto err_finish;
+
+	status = mxl692_memread(dev, 0x70000018, (u8 *)&reg_val, sizeof(u32));
+	if (status)
+		goto err_finish;
+
+	reg_val |= 0x10;
+
+	status = mxl692_memwrite(dev, 0x70000018, (u8 *)&reg_val, sizeof(u32));
+	if (status)
+		goto err_finish;
+
+	status = mxl692_memread(dev, 0x9001014c, (u8 *)&reg_val, sizeof(u32));
+	if (status)
+		goto err_finish;
+
+	reg_val &= 0xFFFFEFFF;
+
+	status = mxl692_memwrite(dev, 0x9001014c, (u8 *)&reg_val, sizeof(u32));
+	if (status)
+		goto err_finish;
+
+	reg_val |= 0x1000;
+
+	status = mxl692_memwrite(dev, 0x9001014c, (u8 *)&reg_val, sizeof(u32));
+	if (status)
+		goto err_finish;
+
+	usleep_range(45000, 55000);
+
+err_finish:
+	if (status)
+		dev_dbg(&dev->i2c_client->dev, "err %d\n", status);
+	return status;
+}
+
+static int mxl692_powermode(struct mxl692_dev *dev,
+			    enum MXL_EAGLE_POWER_MODE_E power_mode)
+{
+	int status = 0;
+	u8 mode = power_mode;
+
+	dev_dbg(&dev->i2c_client->dev, "%s\n",
+		power_mode == MXL_EAGLE_POWER_MODE_SLEEP ? "sleep" : "active");
+
+	status = mxl692_i2c_writeread(dev,
+				      MXL_EAGLE_OPCODE_DEVICE_POWERMODE_SET,
+				      &mode,
+				      sizeof(u8),
+				      NULL,
+				      0);
+	if (status) {
+		dev_dbg(&dev->i2c_client->dev, "err %d\n", status);
+		return status;
+	}
+
+	dev->power_mode = power_mode;
+
+	return status;
+}
+
+static int mxl692_init(struct dvb_frontend *fe)
+{
+	struct mxl692_dev *dev = fe->demodulator_priv;
+	struct i2c_client *client = dev->i2c_client;
+	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+	int status = 0;
+	const struct firmware *firmware;
+	struct MXL_EAGLE_DEV_XTAL_T xtal_config = {};
+
+	dev_dbg(&dev->i2c_client->dev, "\n");
+
+	if (dev->init_done)
+		goto warm;
+
+	dev->seqnum = 1;
+
+	status = mxl692_reset(dev);
+	if (status)
+		goto err;
+
+	usleep_range(50 * 1000, 60 * 1000); /* was 1000! */
+
+	status = mxl692_config_regulators(dev, MXL_EAGLE_POWER_SUPPLY_SOURCE_DUAL);
+	if (status)
+		goto err;
+
+	xtal_config.xtal_cap = 26;
+	xtal_config.clk_out_div_enable = 0;
+	xtal_config.clk_out_enable = 0;
+	xtal_config.xtal_calibration_enable = 0;
+	xtal_config.xtal_sharing_enable = 1;
+	status = mxl692_config_xtal(dev, &xtal_config);
+	if (status)
+		goto err;
+
+	status = request_firmware(&firmware, MXL692_FIRMWARE, &client->dev);
+	if (status) {
+		dev_dbg(&dev->i2c_client->dev, "firmware missing? %s\n",
+			MXL692_FIRMWARE);
+		goto err;
+	}
+
+	status = mxl692_fwdownload(dev, firmware->data, firmware->size);
+	if (status)
+		goto err_release_firmware;
+
+	release_firmware(firmware);
+
+	status = mxl692_get_versions(dev);
+	if (status)
+		goto err;
+
+	dev->power_mode = MXL_EAGLE_POWER_MODE_SLEEP;
+warm:
+	/* Config Device Power Mode */
+	if (dev->power_mode != MXL_EAGLE_POWER_MODE_ACTIVE) {
+		status = mxl692_powermode(dev, MXL_EAGLE_POWER_MODE_ACTIVE);
+		if (status)
+			goto err;
+
+		usleep_range(50 * 1000, 60 * 1000); /* was 500! */
+	}
+
+	/* Init stats here to indicate which stats are supported */
+	c->cnr.len = 1;
+	c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	c->post_bit_error.len = 1;
+	c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	c->post_bit_count.len = 1;
+	c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	c->block_error.len = 1;
+	c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+
+	dev->init_done = 1;
+	return 0;
+err_release_firmware:
+	release_firmware(firmware);
+err:
+	dev_dbg(&dev->i2c_client->dev, "err %d\n", status);
+	return status;
+}
+
+static int mxl692_sleep(struct dvb_frontend *fe)
+{
+	struct mxl692_dev *dev = fe->demodulator_priv;
+
+	if (dev->power_mode != MXL_EAGLE_POWER_MODE_SLEEP)
+		mxl692_powermode(dev, MXL_EAGLE_POWER_MODE_SLEEP);
+
+	return 0;
+}
+
+static int mxl692_set_frontend(struct dvb_frontend *fe)
+{
+	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+	struct mxl692_dev *dev = fe->demodulator_priv;
+
+	int status = 0;
+	enum MXL_EAGLE_DEMOD_TYPE_E demod_type;
+	struct MXL_EAGLE_MPEGOUT_PARAMS_T mpeg_params = {};
+	enum MXL_EAGLE_QAM_DEMOD_ANNEX_TYPE_E qam_annex = MXL_EAGLE_QAM_DEMOD_ANNEX_B;
+	struct MXL_EAGLE_QAM_DEMOD_PARAMS_T qam_params = {};
+	struct MXL_EAGLE_TUNER_CHANNEL_PARAMS_T tuner_params = {};
+	u8 op_param = 0;
+
+	dev_dbg(&dev->i2c_client->dev, "\n");
+
+	switch (p->modulation) {
+	case VSB_8:
+		demod_type = MXL_EAGLE_DEMOD_TYPE_ATSC;
+		break;
+	case QAM_AUTO:
+	case QAM_64:
+	case QAM_128:
+	case QAM_256:
+		demod_type = MXL_EAGLE_DEMOD_TYPE_QAM;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (dev->current_frequency == p->frequency && dev->demod_type == demod_type) {
+		dev_dbg(&dev->i2c_client->dev, "already set up\n");
+		return 0;
+	}
+
+	dev->current_frequency = -1;
+	dev->demod_type = -1;
+
+	op_param = demod_type;
+	status = mxl692_i2c_writeread(dev,
+				      MXL_EAGLE_OPCODE_DEVICE_DEMODULATOR_TYPE_SET,
+				      &op_param,
+				      sizeof(u8),
+				      NULL,
+				      0);
+	if (status) {
+		dev_dbg(&dev->i2c_client->dev,
+			"DEVICE_DEMODULATOR_TYPE_SET...FAIL  err 0x%x\n", status);
+		goto err;
+	}
+
+	usleep_range(20 * 1000, 30 * 1000); /* was 500! */
+
+	mpeg_params.mpeg_parallel = 0;
+	mpeg_params.msb_first = MXL_EAGLE_DATA_SERIAL_MSB_1ST;
+	mpeg_params.mpeg_sync_pulse_width = MXL_EAGLE_DATA_SYNC_WIDTH_BIT;
+	mpeg_params.mpeg_valid_pol = MXL_EAGLE_CLOCK_POSITIVE;
+	mpeg_params.mpeg_sync_pol = MXL_EAGLE_CLOCK_POSITIVE;
+	mpeg_params.mpeg_clk_pol = MXL_EAGLE_CLOCK_NEGATIVE;
+	mpeg_params.mpeg3wire_mode_enable = 0;
+	mpeg_params.mpeg_clk_freq = MXL_EAGLE_MPEG_CLOCK_27MHZ;
+
+	switch (demod_type) {
+	case MXL_EAGLE_DEMOD_TYPE_ATSC:
+		status = mxl692_i2c_writeread(dev,
+					      MXL_EAGLE_OPCODE_DEVICE_MPEG_OUT_PARAMS_SET,
+					      (u8 *)&mpeg_params,
+					      sizeof(struct MXL_EAGLE_MPEGOUT_PARAMS_T),
+					      NULL,
+					      0);
+		if (status)
+			goto err;
+		break;
+	case MXL_EAGLE_DEMOD_TYPE_QAM:
+		if (qam_annex == MXL_EAGLE_QAM_DEMOD_ANNEX_A)
+			mpeg_params.msb_first = MXL_EAGLE_DATA_SERIAL_LSB_1ST;
+		status = mxl692_i2c_writeread(dev,
+					      MXL_EAGLE_OPCODE_DEVICE_MPEG_OUT_PARAMS_SET,
+					      (u8 *)&mpeg_params,
+					      sizeof(struct MXL_EAGLE_MPEGOUT_PARAMS_T),
+					      NULL,
+					      0);
+		if (status)
+			goto err;
+
+		qam_params.annex_type = qam_annex;
+		qam_params.qam_type = MXL_EAGLE_QAM_DEMOD_AUTO;
+		qam_params.iq_flip = MXL_EAGLE_DEMOD_IQ_AUTO;
+		if (p->modulation == QAM_64)
+			qam_params.symbol_rate_hz = 5057000;
+		else
+			qam_params.symbol_rate_hz = 5361000;
+
+		qam_params.symbol_rate_256qam_hz = 5361000;
+
+		status = mxl692_i2c_writeread(dev,
+					      MXL_EAGLE_OPCODE_QAM_PARAMS_SET,
+					      (u8 *)&qam_params,
+					      sizeof(struct MXL_EAGLE_QAM_DEMOD_PARAMS_T),
+					      NULL, 0);
+		if (status)
+			goto err;
+
+		break;
+	default:
+		break;
+	}
+
+	usleep_range(20 * 1000, 30 * 1000); /* was 500! */
+
+	tuner_params.freq_hz = p->frequency;
+	tuner_params.bandwidth = MXL_EAGLE_TUNER_BW_6MHZ;
+	tuner_params.tune_mode = MXL_EAGLE_TUNER_CHANNEL_TUNE_MODE_VIEW;
+
+	dev_dbg(&dev->i2c_client->dev, " Tuning Freq: %d %s\n", tuner_params.freq_hz,
+		demod_type == MXL_EAGLE_DEMOD_TYPE_ATSC ? "ATSC" : "QAM");
+
+	status = mxl692_i2c_writeread(dev,
+				      MXL_EAGLE_OPCODE_TUNER_CHANNEL_TUNE_SET,
+				      (u8 *)&tuner_params,
+				      sizeof(struct MXL_EAGLE_TUNER_CHANNEL_PARAMS_T),
+				      NULL,
+				      0);
+	if (status)
+		goto err;
+
+	usleep_range(20 * 1000, 30 * 1000); /* was 500! */
+
+	switch (demod_type) {
+	case MXL_EAGLE_DEMOD_TYPE_ATSC:
+		status = mxl692_i2c_writeread(dev,
+					      MXL_EAGLE_OPCODE_ATSC_INIT_SET,
+					      NULL, 0, NULL, 0);
+		if (status)
+			goto err;
+		break;
+	case MXL_EAGLE_DEMOD_TYPE_QAM:
+		status = mxl692_i2c_writeread(dev,
+					      MXL_EAGLE_OPCODE_QAM_RESTART_SET,
+					      NULL, 0, NULL, 0);
+		if (status)
+			goto err;
+		break;
+	default:
+		break;
+	}
+
+	dev->demod_type = demod_type;
+	dev->current_frequency = p->frequency;
+
+	return 0;
+err:
+	dev_dbg(&dev->i2c_client->dev, "err %d\n", status);
+	return status;
+}
+
+static int mxl692_get_frontend(struct dvb_frontend *fe,
+			       struct dtv_frontend_properties *p)
+{
+	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+
+	p->modulation = c->modulation;
+	p->frequency = c->frequency;
+
+	return 0;
+}
+
+static int mxl692_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+	struct mxl692_dev *dev = fe->demodulator_priv;
+	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+	u8 rx_buf[MXL_EAGLE_MAX_I2C_PACKET_SIZE] = {};
+	struct MXL_EAGLE_ATSC_DEMOD_STATUS_T *atsc_status;
+	struct MXL_EAGLE_QAM_DEMOD_STATUS_T *qam_status;
+	enum MXL_EAGLE_DEMOD_TYPE_E demod_type = dev->demod_type;
+	int mxl_status = 0;
+
+	*snr = 0;
+
+	dev_dbg(&dev->i2c_client->dev, "\n");
+
+	atsc_status = (struct MXL_EAGLE_ATSC_DEMOD_STATUS_T *)&rx_buf;
+	qam_status = (struct MXL_EAGLE_QAM_DEMOD_STATUS_T *)&rx_buf;
+
+	switch (demod_type) {
+	case MXL_EAGLE_DEMOD_TYPE_ATSC:
+		mxl_status = mxl692_i2c_writeread(dev,
+						  MXL_EAGLE_OPCODE_ATSC_STATUS_GET,
+						  NULL,
+						  0,
+						  rx_buf,
+						  sizeof(struct MXL_EAGLE_ATSC_DEMOD_STATUS_T));
+		if (!mxl_status) {
+			*snr = (u16)(atsc_status->snr_db_tenths / 10);
+			c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
+			c->cnr.stat[0].svalue = *snr;
+		}
+		break;
+	case MXL_EAGLE_DEMOD_TYPE_QAM:
+		mxl_status = mxl692_i2c_writeread(dev,
+						  MXL_EAGLE_OPCODE_QAM_STATUS_GET,
+						  NULL,
+						  0,
+						  rx_buf,
+						  sizeof(struct MXL_EAGLE_QAM_DEMOD_STATUS_T));
+		if (!mxl_status)
+			*snr = (u16)(qam_status->snr_db_tenths / 10);
+		break;
+	case MXL_EAGLE_DEMOD_TYPE_OOB:
+	default:
+		break;
+	}
+
+	if (mxl_status)
+		dev_dbg(&dev->i2c_client->dev, "err %d\n", mxl_status);
+	return mxl_status;
+}
+
+static int mxl692_read_ber_ucb(struct dvb_frontend *fe)
+{
+	struct mxl692_dev *dev = fe->demodulator_priv;
+	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+	u8 rx_buf[MXL_EAGLE_MAX_I2C_PACKET_SIZE] = {};
+	struct MXL_EAGLE_ATSC_DEMOD_ERROR_COUNTERS_T *atsc_errors;
+	enum MXL_EAGLE_DEMOD_TYPE_E demod_type = dev->demod_type;
+	int mxl_status = 0;
+	u32 utmp;
+
+	dev_dbg(&dev->i2c_client->dev, "\n");
+
+	atsc_errors = (struct MXL_EAGLE_ATSC_DEMOD_ERROR_COUNTERS_T *)&rx_buf;
+
+	switch (demod_type) {
+	case MXL_EAGLE_DEMOD_TYPE_ATSC:
+		mxl_status = mxl692_i2c_writeread(dev,
+						  MXL_EAGLE_OPCODE_ATSC_ERROR_COUNTERS_GET,
+						  NULL,
+						  0,
+						  rx_buf,
+						  sizeof(struct MXL_EAGLE_ATSC_DEMOD_ERROR_COUNTERS_T));
+		if (!mxl_status) {
+			if (atsc_errors->error_packets == 0)
+				utmp = 0;
+			else
+				utmp = ((atsc_errors->error_bytes / atsc_errors->error_packets) *
+					atsc_errors->total_packets);
+			/* ber */
+			c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
+			c->post_bit_error.stat[0].uvalue += atsc_errors->error_bytes;
+			c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
+			c->post_bit_count.stat[0].uvalue += utmp;
+			/* ucb */
+			c->block_error.stat[0].scale = FE_SCALE_COUNTER;
+			c->block_error.stat[0].uvalue += atsc_errors->error_packets;
+
+			dev_dbg(&dev->i2c_client->dev, "%llu   %llu\n",
+				c->post_bit_count.stat[0].uvalue, c->block_error.stat[0].uvalue);
+		}
+		break;
+	case MXL_EAGLE_DEMOD_TYPE_QAM:
+	case MXL_EAGLE_DEMOD_TYPE_OOB:
+	default:
+		break;
+	}
+
+	if (mxl_status)
+		dev_dbg(&dev->i2c_client->dev, "err %d\n", mxl_status);
+
+	return mxl_status;
+}
+
+static int mxl692_read_status(struct dvb_frontend *fe,
+			      enum fe_status *status)
+{
+	struct mxl692_dev *dev = fe->demodulator_priv;
+	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+	u8 rx_buf[MXL_EAGLE_MAX_I2C_PACKET_SIZE] = {};
+	struct MXL_EAGLE_ATSC_DEMOD_STATUS_T *atsc_status;
+	struct MXL_EAGLE_QAM_DEMOD_STATUS_T *qam_status;
+	enum MXL_EAGLE_DEMOD_TYPE_E demod_type = dev->demod_type;
+	int mxl_status = 0;
+	*status = 0;
+
+	dev_dbg(&dev->i2c_client->dev, "\n");
+
+	atsc_status = (struct MXL_EAGLE_ATSC_DEMOD_STATUS_T *)&rx_buf;
+	qam_status = (struct MXL_EAGLE_QAM_DEMOD_STATUS_T *)&rx_buf;
+
+	switch (demod_type) {
+	case MXL_EAGLE_DEMOD_TYPE_ATSC:
+		mxl_status = mxl692_i2c_writeread(dev,
+						  MXL_EAGLE_OPCODE_ATSC_STATUS_GET,
+						  NULL,
+						  0,
+						  rx_buf,
+						  sizeof(struct MXL_EAGLE_ATSC_DEMOD_STATUS_T));
+		if (!mxl_status && atsc_status->atsc_lock) {
+			*status |= FE_HAS_SIGNAL;
+			*status |= FE_HAS_CARRIER;
+			*status |= FE_HAS_VITERBI;
+			*status |= FE_HAS_SYNC;
+			*status |= FE_HAS_LOCK;
+
+			c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
+			c->cnr.stat[0].svalue = atsc_status->snr_db_tenths / 10;
+		}
+		break;
+	case MXL_EAGLE_DEMOD_TYPE_QAM:
+		mxl_status = mxl692_i2c_writeread(dev,
+						  MXL_EAGLE_OPCODE_QAM_STATUS_GET,
+						  NULL,
+						  0,
+						  rx_buf,
+						  sizeof(struct MXL_EAGLE_QAM_DEMOD_STATUS_T));
+		if (!mxl_status && qam_status->qam_locked) {
+			*status |= FE_HAS_SIGNAL;
+			*status |= FE_HAS_CARRIER;
+			*status |= FE_HAS_VITERBI;
+			*status |= FE_HAS_SYNC;
+			*status |= FE_HAS_LOCK;
+
+			c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
+			c->cnr.stat[0].svalue = qam_status->snr_db_tenths / 10;
+		}
+		break;
+	case MXL_EAGLE_DEMOD_TYPE_OOB:
+	default:
+		break;
+	}
+
+	if ((*status & FE_HAS_LOCK) == 0) {
+		/* No lock, reset all statistics */
+		c->cnr.len = 1;
+		c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+		c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+		c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+		c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+		return 0;
+	}
+
+	if (mxl_status)
+		dev_dbg(&dev->i2c_client->dev, "err %d\n", mxl_status);
+	else
+		mxl_status = mxl692_read_ber_ucb(fe);
+
+	return mxl_status;
+}
+
+static const struct dvb_frontend_ops mxl692_ops = {
+	.delsys = { SYS_ATSC },
+	.info = {
+		.name = "MaxLinear MxL692 VSB tuner-demodulator",
+		.frequency_min_hz      = 54000000,
+		.frequency_max_hz      = 858000000,
+		.frequency_stepsize_hz = 62500,
+		.caps = FE_CAN_8VSB
+	},
+
+	.init         = mxl692_init,
+	.sleep        = mxl692_sleep,
+	.set_frontend = mxl692_set_frontend,
+	.get_frontend = mxl692_get_frontend,
+
+	.read_status          = mxl692_read_status,
+	.read_snr             = mxl692_read_snr,
+};
+
+static int mxl692_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
+{
+	struct mxl692_config *config = client->dev.platform_data;
+	struct mxl692_dev *dev;
+	int ret = 0;
+
+	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+	if (!dev) {
+		ret = -ENOMEM;
+		dev_dbg(&client->dev, "kzalloc() failed\n");
+		goto err;
+	}
+
+	memcpy(&dev->fe.ops, &mxl692_ops, sizeof(struct dvb_frontend_ops));
+	dev->fe.demodulator_priv = dev;
+	dev->i2c_client = client;
+	*config->fe = &dev->fe;
+	mutex_init(&dev->i2c_lock);
+	i2c_set_clientdata(client, dev);
+
+	dev_info(&client->dev, "MaxLinear mxl692 successfully attached\n");
+
+	return 0;
+err:
+	dev_dbg(&client->dev, "failed %d\n", ret);
+	return -ENODEV;
+}
+
+static int mxl692_remove(struct i2c_client *client)
+{
+	struct mxl692_dev *dev = i2c_get_clientdata(client);
+
+	dev->fe.demodulator_priv = NULL;
+	i2c_set_clientdata(client, NULL);
+	kfree(dev);
+
+	return 0;
+}
+
+static const struct i2c_device_id mxl692_id_table[] = {
+	{"mxl692", 0},
+	{}
+};
+MODULE_DEVICE_TABLE(i2c, mxl692_id_table);
+
+static struct i2c_driver mxl692_driver = {
+	.driver = {
+		.name	= "mxl692",
+	},
+	.probe		= mxl692_probe,
+	.remove		= mxl692_remove,
+	.id_table	= mxl692_id_table,
+};
+
+module_i2c_driver(mxl692_driver);
+
+MODULE_AUTHOR("Brad Love <brad@nextdimension.cc>");
+MODULE_DESCRIPTION("MaxLinear MxL692 demodulator/tuner driver");
+MODULE_FIRMWARE(MXL692_FIRMWARE);
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/dvb-frontends/mxl692.h b/drivers/media/dvb-frontends/mxl692.h
new file mode 100644
index 000000000000..45bc48f1f12f
--- /dev/null
+++ b/drivers/media/dvb-frontends/mxl692.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Driver for the MaxLinear MxL69x family of tuners/demods
+ *
+ * Copyright (C) 2020 Brad Love <brad@nextdimension.cc>
+ *
+ * based on code:
+ * Copyright (c) 2016 MaxLinear, Inc. All rights reserved
+ * which was released under GPL V2
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2, as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+#ifndef _MXL692_H_
+#define _MXL692_H_
+
+#include <media/dvb_frontend.h>
+
+#define MXL692_FIRMWARE "dvb-demod-mxl692.fw"
+
+struct mxl692_config {
+	unsigned char  id;
+	u8 i2c_addr;
+	/*
+	 * frontend
+	 * returned by driver
+	 */
+	struct dvb_frontend **fe;
+};
+
+#endif /* _MXL692_H_ */
diff --git a/drivers/media/dvb-frontends/mxl692_defs.h b/drivers/media/dvb-frontends/mxl692_defs.h
new file mode 100644
index 000000000000..776ac407b4e7
--- /dev/null
+++ b/drivers/media/dvb-frontends/mxl692_defs.h
@@ -0,0 +1,548 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Driver for the MaxLinear MxL69x family of combo tuners/demods
+ *
+ * Copyright (C) 2020 Brad Love <brad@nextdimension.cc>
+ *
+ * based on code:
+ * Copyright (c) 2016 MaxLinear, Inc. All rights reserved
+ * which was released under GPL V2
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2, as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+/*****************************************************************************
+ *	Defines
+ *****************************************************************************
+ */
+#define MXL_EAGLE_HOST_MSG_HEADER_SIZE  8
+#define MXL_EAGLE_FW_MAX_SIZE_IN_KB     76
+#define MXL_EAGLE_QAM_FFE_TAPS_LENGTH   16
+#define MXL_EAGLE_QAM_SPUR_TAPS_LENGTH  32
+#define MXL_EAGLE_QAM_DFE_TAPS_LENGTH   72
+#define MXL_EAGLE_ATSC_FFE_TAPS_LENGTH  4096
+#define MXL_EAGLE_ATSC_DFE_TAPS_LENGTH  384
+#define MXL_EAGLE_VERSION_SIZE          5     /* A.B.C.D-RCx */
+#define MXL_EAGLE_FW_LOAD_TIME          50
+
+#define MXL_EAGLE_FW_MAX_SIZE_IN_KB       76
+#define MXL_EAGLE_FW_HEADER_SIZE          16
+#define MXL_EAGLE_FW_SEGMENT_HEADER_SIZE  8
+#define MXL_EAGLE_MAX_I2C_PACKET_SIZE     58
+#define MXL_EAGLE_I2C_MHEADER_SIZE        6
+#define MXL_EAGLE_I2C_PHEADER_SIZE        2
+
+/* Enum of Eagle family devices */
+enum MXL_EAGLE_DEVICE_E {
+	MXL_EAGLE_DEVICE_691 = 1,    /* Device Mxl691 */
+	MXL_EAGLE_DEVICE_248 = 2,    /* Device Mxl248 */
+	MXL_EAGLE_DEVICE_692 = 3,    /* Device Mxl692 */
+	MXL_EAGLE_DEVICE_MAX,        /* No such device */
+};
+
+#define VER_A   1
+#define VER_B   1
+#define VER_C   1
+#define VER_D   3
+#define VER_E   6
+
+/* Enum of Host to Eagle I2C protocol opcodes */
+enum MXL_EAGLE_OPCODE_E {
+	/* DEVICE */
+	MXL_EAGLE_OPCODE_DEVICE_DEMODULATOR_TYPE_SET,
+	MXL_EAGLE_OPCODE_DEVICE_MPEG_OUT_PARAMS_SET,
+	MXL_EAGLE_OPCODE_DEVICE_POWERMODE_SET,
+	MXL_EAGLE_OPCODE_DEVICE_GPIO_DIRECTION_SET,
+	MXL_EAGLE_OPCODE_DEVICE_GPO_LEVEL_SET,
+	MXL_EAGLE_OPCODE_DEVICE_INTR_MASK_SET,
+	MXL_EAGLE_OPCODE_DEVICE_IO_MUX_SET,
+	MXL_EAGLE_OPCODE_DEVICE_VERSION_GET,
+	MXL_EAGLE_OPCODE_DEVICE_STATUS_GET,
+	MXL_EAGLE_OPCODE_DEVICE_GPI_LEVEL_GET,
+
+	/* TUNER */
+	MXL_EAGLE_OPCODE_TUNER_CHANNEL_TUNE_SET,
+	MXL_EAGLE_OPCODE_TUNER_LOCK_STATUS_GET,
+	MXL_EAGLE_OPCODE_TUNER_AGC_STATUS_GET,
+
+	/* ATSC */
+	MXL_EAGLE_OPCODE_ATSC_INIT_SET,
+	MXL_EAGLE_OPCODE_ATSC_ACQUIRE_CARRIER_SET,
+	MXL_EAGLE_OPCODE_ATSC_STATUS_GET,
+	MXL_EAGLE_OPCODE_ATSC_ERROR_COUNTERS_GET,
+	MXL_EAGLE_OPCODE_ATSC_EQUALIZER_FILTER_DFE_TAPS_GET,
+	MXL_EAGLE_OPCODE_ATSC_EQUALIZER_FILTER_FFE_TAPS_GET,
+
+	/* QAM */
+	MXL_EAGLE_OPCODE_QAM_PARAMS_SET,
+	MXL_EAGLE_OPCODE_QAM_RESTART_SET,
+	MXL_EAGLE_OPCODE_QAM_STATUS_GET,
+	MXL_EAGLE_OPCODE_QAM_ERROR_COUNTERS_GET,
+	MXL_EAGLE_OPCODE_QAM_CONSTELLATION_VALUE_GET,
+	MXL_EAGLE_OPCODE_QAM_EQUALIZER_FILTER_FFE_GET,
+	MXL_EAGLE_OPCODE_QAM_EQUALIZER_FILTER_SPUR_START_GET,
+	MXL_EAGLE_OPCODE_QAM_EQUALIZER_FILTER_SPUR_END_GET,
+	MXL_EAGLE_OPCODE_QAM_EQUALIZER_FILTER_DFE_TAPS_NUMBER_GET,
+	MXL_EAGLE_OPCODE_QAM_EQUALIZER_FILTER_DFE_START_GET,
+	MXL_EAGLE_OPCODE_QAM_EQUALIZER_FILTER_DFE_MIDDLE_GET,
+	MXL_EAGLE_OPCODE_QAM_EQUALIZER_FILTER_DFE_END_GET,
+
+	/* OOB */
+	MXL_EAGLE_OPCODE_OOB_PARAMS_SET,
+	MXL_EAGLE_OPCODE_OOB_RESTART_SET,
+	MXL_EAGLE_OPCODE_OOB_ERROR_COUNTERS_GET,
+	MXL_EAGLE_OPCODE_OOB_STATUS_GET,
+
+	/* SMA */
+	MXL_EAGLE_OPCODE_SMA_INIT_SET,
+	MXL_EAGLE_OPCODE_SMA_PARAMS_SET,
+	MXL_EAGLE_OPCODE_SMA_TRANSMIT_SET,
+	MXL_EAGLE_OPCODE_SMA_RECEIVE_GET,
+
+	/* DEBUG */
+	MXL_EAGLE_OPCODE_INTERNAL,
+
+	MXL_EAGLE_OPCODE_MAX = 70,
+};
+
+/* Enum of Host to Eagle I2C protocol opcodes */
+static const char * const MXL_EAGLE_OPCODE_STRING[] = {
+	/* DEVICE */
+	"DEVICE_DEMODULATOR_TYPE_SET",
+	"DEVICE_MPEG_OUT_PARAMS_SET",
+	"DEVICE_POWERMODE_SET",
+	"DEVICE_GPIO_DIRECTION_SET",
+	"DEVICE_GPO_LEVEL_SET",
+	"DEVICE_INTR_MASK_SET",
+	"DEVICE_IO_MUX_SET",
+	"DEVICE_VERSION_GET",
+	"DEVICE_STATUS_GET",
+	"DEVICE_GPI_LEVEL_GET",
+
+	/* TUNER */
+	"TUNER_CHANNEL_TUNE_SET",
+	"TUNER_LOCK_STATUS_GET",
+	"TUNER_AGC_STATUS_GET",
+
+	/* ATSC */
+	"ATSC_INIT_SET",
+	"ATSC_ACQUIRE_CARRIER_SET",
+	"ATSC_STATUS_GET",
+	"ATSC_ERROR_COUNTERS_GET",
+	"ATSC_EQUALIZER_FILTER_DFE_TAPS_GET",
+	"ATSC_EQUALIZER_FILTER_FFE_TAPS_GET",
+
+	/* QAM */
+	"QAM_PARAMS_SET",
+	"QAM_RESTART_SET",
+	"QAM_STATUS_GET",
+	"QAM_ERROR_COUNTERS_GET",
+	"QAM_CONSTELLATION_VALUE_GET",
+	"QAM_EQUALIZER_FILTER_FFE_GET",
+	"QAM_EQUALIZER_FILTER_SPUR_START_GET",
+	"QAM_EQUALIZER_FILTER_SPUR_END_GET",
+	"QAM_EQUALIZER_FILTER_DFE_TAPS_NUMBER_GET",
+	"QAM_EQUALIZER_FILTER_DFE_START_GET",
+	"QAM_EQUALIZER_FILTER_DFE_MIDDLE_GET",
+	"QAM_EQUALIZER_FILTER_DFE_END_GET",
+
+	/* OOB */
+	"OOB_PARAMS_SET",
+	"OOB_RESTART_SET",
+	"OOB_ERROR_COUNTERS_GET",
+	"OOB_STATUS_GET",
+
+	/* SMA */
+	"SMA_INIT_SET",
+	"SMA_PARAMS_SET",
+	"SMA_TRANSMIT_SET",
+	"SMA_RECEIVE_GET",
+
+	/* DEBUG */
+	"INTERNAL",
+};
+
+/* Enum of Callabck function types */
+enum MXL_EAGLE_CB_TYPE_E {
+	MXL_EAGLE_CB_FW_DOWNLOAD = 0,
+};
+
+/* Enum of power supply types */
+enum MXL_EAGLE_POWER_SUPPLY_SOURCE_E {
+	MXL_EAGLE_POWER_SUPPLY_SOURCE_SINGLE,   /* Single supply of 3.3V */
+	MXL_EAGLE_POWER_SUPPLY_SOURCE_DUAL,     /* Dual supply, 1.8V & 3.3V */
+};
+
+/* Enum of I/O pad drive modes */
+enum MXL_EAGLE_IO_MUX_DRIVE_MODE_E {
+	MXL_EAGLE_IO_MUX_DRIVE_MODE_1X,
+	MXL_EAGLE_IO_MUX_DRIVE_MODE_2X,
+	MXL_EAGLE_IO_MUX_DRIVE_MODE_3X,
+	MXL_EAGLE_IO_MUX_DRIVE_MODE_4X,
+	MXL_EAGLE_IO_MUX_DRIVE_MODE_5X,
+	MXL_EAGLE_IO_MUX_DRIVE_MODE_6X,
+	MXL_EAGLE_IO_MUX_DRIVE_MODE_7X,
+	MXL_EAGLE_IO_MUX_DRIVE_MODE_8X,
+};
+
+/* Enum of demodulator types. Used for selection of demodulator
+ * type in relevant devices, e.g. ATSC vs. QAM in Mxl691
+ */
+enum MXL_EAGLE_DEMOD_TYPE_E {
+	MXL_EAGLE_DEMOD_TYPE_QAM,    /* Mxl248 or Mxl692 */
+	MXL_EAGLE_DEMOD_TYPE_OOB,    /* Mxl248 only */
+	MXL_EAGLE_DEMOD_TYPE_ATSC    /* Mxl691 or Mxl692 */
+};
+
+/* Enum of power modes. Used for initial
+ * activation, or for activating sleep mode
+ */
+enum MXL_EAGLE_POWER_MODE_E {
+	MXL_EAGLE_POWER_MODE_SLEEP,
+	MXL_EAGLE_POWER_MODE_ACTIVE
+};
+
+/* Enum of GPIOs, used in device GPIO APIs */
+enum MXL_EAGLE_GPIO_NUMBER_E {
+	MXL_EAGLE_GPIO_NUMBER_0,
+	MXL_EAGLE_GPIO_NUMBER_1,
+	MXL_EAGLE_GPIO_NUMBER_2,
+	MXL_EAGLE_GPIO_NUMBER_3,
+	MXL_EAGLE_GPIO_NUMBER_4,
+	MXL_EAGLE_GPIO_NUMBER_5,
+	MXL_EAGLE_GPIO_NUMBER_6
+};
+
+/* Enum of GPIO directions, used in GPIO direction configuration API */
+enum MXL_EAGLE_GPIO_DIRECTION_E {
+	MXL_EAGLE_GPIO_DIRECTION_INPUT,
+	MXL_EAGLE_GPIO_DIRECTION_OUTPUT
+};
+
+/* Enum of GPIO level, used in device GPIO APIs */
+enum MXL_EAGLE_GPIO_LEVEL_E {
+	MXL_EAGLE_GPIO_LEVEL_LOW,
+	MXL_EAGLE_GPIO_LEVEL_HIGH,
+};
+
+/* Enum of I/O Mux function, used in device I/O mux configuration API */
+enum MXL_EAGLE_IOMUX_FUNCTION_E {
+	MXL_EAGLE_IOMUX_FUNC_FEC_LOCK,
+	MXL_EAGLE_IOMUX_FUNC_MERR,
+};
+
+/* Enum of MPEG Data format, used in MPEG and OOB output configuration */
+enum MXL_EAGLE_MPEG_DATA_FORMAT_E {
+	MXL_EAGLE_DATA_SERIAL_LSB_1ST = 0,
+	MXL_EAGLE_DATA_SERIAL_MSB_1ST,
+
+	MXL_EAGLE_DATA_SYNC_WIDTH_BIT = 0,
+	MXL_EAGLE_DATA_SYNC_WIDTH_BYTE
+};
+
+/* Enum of MPEG Clock format, used in MPEG and OOB output configuration */
+enum MXL_EAGLE_MPEG_CLOCK_FORMAT_E {
+	MXL_EAGLE_CLOCK_ACTIVE_HIGH = 0,
+	MXL_EAGLE_CLOCK_ACTIVE_LOW,
+
+	MXL_EAGLE_CLOCK_POSITIVE  = 0,
+	MXL_EAGLE_CLOCK_NEGATIVE,
+
+	MXL_EAGLE_CLOCK_IN_PHASE = 0,
+	MXL_EAGLE_CLOCK_INVERTED,
+};
+
+/* Enum of MPEG Clock speeds, used in MPEG output configuration */
+enum MXL_EAGLE_MPEG_CLOCK_RATE_E {
+	MXL_EAGLE_MPEG_CLOCK_54MHZ,
+	MXL_EAGLE_MPEG_CLOCK_40_5MHZ,
+	MXL_EAGLE_MPEG_CLOCK_27MHZ,
+	MXL_EAGLE_MPEG_CLOCK_13_5MHZ,
+};
+
+/* Enum of Interrupt mask bit, used in host interrupt configuration */
+enum MXL_EAGLE_INTR_MASK_BITS_E {
+	MXL_EAGLE_INTR_MASK_DEMOD = 0,
+	MXL_EAGLE_INTR_MASK_SMA_RX = 1,
+	MXL_EAGLE_INTR_MASK_WDOG = 31
+};
+
+/* Enum of QAM Demodulator type, used in QAM configuration */
+enum MXL_EAGLE_QAM_DEMOD_ANNEX_TYPE_E {
+	MXL_EAGLE_QAM_DEMOD_ANNEX_B,    /* J.83B */
+	MXL_EAGLE_QAM_DEMOD_ANNEX_A,    /* DVB-C */
+};
+
+/* Enum of QAM Demodulator modulation, used in QAM configuration and status */
+enum MXL_EAGLE_QAM_DEMOD_QAM_TYPE_E {
+	MXL_EAGLE_QAM_DEMOD_QAM16,
+	MXL_EAGLE_QAM_DEMOD_QAM64,
+	MXL_EAGLE_QAM_DEMOD_QAM256,
+	MXL_EAGLE_QAM_DEMOD_QAM1024,
+	MXL_EAGLE_QAM_DEMOD_QAM32,
+	MXL_EAGLE_QAM_DEMOD_QAM128,
+	MXL_EAGLE_QAM_DEMOD_QPSK,
+	MXL_EAGLE_QAM_DEMOD_AUTO,
+};
+
+/* Enum of Demodulator IQ setup, used in QAM, OOB configuration and status */
+enum MXL_EAGLE_IQ_FLIP_E {
+	MXL_EAGLE_DEMOD_IQ_NORMAL,
+	MXL_EAGLE_DEMOD_IQ_FLIPPED,
+	MXL_EAGLE_DEMOD_IQ_AUTO,
+};
+
+/* Enum of OOB Demodulator symbol rates, used in OOB configuration */
+enum MXL_EAGLE_OOB_DEMOD_SYMB_RATE_E {
+	MXL_EAGLE_OOB_DEMOD_SYMB_RATE_0_772MHZ,  /* ANSI/SCTE 55-2 0.772 MHz */
+	MXL_EAGLE_OOB_DEMOD_SYMB_RATE_1_024MHZ,  /* ANSI/SCTE 55-1 1.024 MHz */
+	MXL_EAGLE_OOB_DEMOD_SYMB_RATE_1_544MHZ,  /* ANSI/SCTE 55-2 1.544 MHz */
+};
+
+/* Enum of tuner channel tuning mode */
+enum MXL_EAGLE_TUNER_CHANNEL_TUNE_MODE_E {
+	MXL_EAGLE_TUNER_CHANNEL_TUNE_MODE_VIEW,    /* Normal "view" mode */
+	MXL_EAGLE_TUNER_CHANNEL_TUNE_MODE_SCAN,    /* Fast "scan" mode */
+};
+
+/* Enum of tuner bandwidth */
+enum MXL_EAGLE_TUNER_BW_E {
+	MXL_EAGLE_TUNER_BW_6MHZ,
+	MXL_EAGLE_TUNER_BW_7MHZ,
+	MXL_EAGLE_TUNER_BW_8MHZ,
+};
+
+/* Enum of tuner bandwidth */
+enum MXL_EAGLE_JUNCTION_TEMPERATURE_E {
+	MXL_EAGLE_JUNCTION_TEMPERATURE_BELOW_0_CELSIUS          = 0,
+	MXL_EAGLE_JUNCTION_TEMPERATURE_BETWEEN_0_TO_14_CELSIUS  = 1,
+	MXL_EAGLE_JUNCTION_TEMPERATURE_BETWEEN_14_TO_28_CELSIUS = 3,
+	MXL_EAGLE_JUNCTION_TEMPERATURE_BETWEEN_28_TO_42_CELSIUS = 2,
+	MXL_EAGLE_JUNCTION_TEMPERATURE_BETWEEN_42_TO_57_CELSIUS = 6,
+	MXL_EAGLE_JUNCTION_TEMPERATURE_BETWEEN_57_TO_71_CELSIUS = 7,
+	MXL_EAGLE_JUNCTION_TEMPERATURE_BETWEEN_71_TO_85_CELSIUS = 5,
+	MXL_EAGLE_JUNCTION_TEMPERATURE_ABOVE_85_CELSIUS         = 4,
+};
+
+/* Struct passed in optional callback used during FW download */
+struct MXL_EAGLE_FW_DOWNLOAD_CB_PAYLOAD_T {
+	u32  total_len;
+	u32  downloaded_len;
+};
+
+/* Struct used of I2C protocol between host and Eagle, internal use only */
+struct __packed MXL_EAGLE_HOST_MSG_HEADER_T {
+	u8   opcode;
+	u8   seqnum;
+	u8   payload_size;
+	u8   status;
+	u32  checksum;
+};
+
+/* Device version information struct */
+struct __packed MXL_EAGLE_DEV_VER_T {
+	u8   chip_id;
+	u8   firmware_ver[MXL_EAGLE_VERSION_SIZE];
+	u8   mxlware_ver[MXL_EAGLE_VERSION_SIZE];
+};
+
+/* Xtal configuration struct */
+struct __packed MXL_EAGLE_DEV_XTAL_T {
+	u8   xtal_cap;           /* accepted range is 1..31 pF. Default is 26 */
+	u8   clk_out_enable;
+	u8   clk_out_div_enable;   /* clock out freq is xtal freq / 6 */
+	u8   xtal_sharing_enable; /* if enabled set xtal_cap to 25 pF */
+	u8   xtal_calibration_enable;  /* enable for master, disable for slave */
+};
+
+/* GPIO direction struct, internally used in GPIO configuration API */
+struct __packed MXL_EAGLE_DEV_GPIO_DIRECTION_T {
+	u8   gpio_number;
+	u8   gpio_direction;
+};
+
+/* GPO level struct, internally used in GPIO configuration API */
+struct __packed MXL_EAGLE_DEV_GPO_LEVEL_T {
+	u8   gpio_number;
+	u8   gpo_level;
+};
+
+/* Device Status struct */
+struct MXL_EAGLE_DEV_STATUS_T {
+	u8   temperature;
+	u8   demod_type;
+	u8   power_mode;
+	u8   cpu_utilization_percent;
+};
+
+/* Device interrupt configuration struct */
+struct __packed MXL_EAGLE_DEV_INTR_CFG_T {
+	u32  intr_mask;
+	u8   edge_trigger;
+	u8   positive_trigger;
+	u8   global_enable_interrupt;
+};
+
+/* MPEG pad drive parameters, used on MPEG output configuration */
+/* See MXL_EAGLE_IO_MUX_DRIVE_MODE_E */
+struct MXL_EAGLE_MPEG_PAD_DRIVE_T {
+	u8   pad_drv_mpeg_syn;
+	u8   pad_drv_mpeg_dat;
+	u8   pad_drv_mpeg_val;
+	u8   pad_drv_mpeg_clk;
+};
+
+/* MPEGOUT parameter struct, used in MPEG output configuration */
+struct MXL_EAGLE_MPEGOUT_PARAMS_T {
+	u8   mpeg_parallel;
+	u8   msb_first;
+	u8   mpeg_sync_pulse_width;    /* See MXL_EAGLE_MPEG_DATA_FORMAT_E */
+	u8   mpeg_valid_pol;
+	u8   mpeg_sync_pol;
+	u8   mpeg_clk_pol;
+	u8   mpeg3wire_mode_enable;
+	u8   mpeg_clk_freq;
+	struct MXL_EAGLE_MPEG_PAD_DRIVE_T mpeg_pad_drv;
+};
+
+/* QAM Demodulator parameters struct, used in QAM params configuration */
+struct __packed MXL_EAGLE_QAM_DEMOD_PARAMS_T {
+	u8   annex_type;
+	u8   qam_type;
+	u8   iq_flip;
+	u8   search_range_idx;
+	u8   spur_canceller_enable;
+	u32  symbol_rate_hz;
+	u32  symbol_rate_256qam_hz;
+};
+
+/* QAM Demodulator status */
+struct MXL_EAGLE_QAM_DEMOD_STATUS_T {
+	u8   annex_type;
+	u8   qam_type;
+	u8   iq_flip;
+	u8   interleaver_depth_i;
+	u8   interleaver_depth_j;
+	u8   qam_locked;
+	u8   fec_locked;
+	u8   mpeg_locked;
+	u16  snr_db_tenths;
+	s16  timing_offset;
+	s32  carrier_offset_hz;
+};
+
+/* QAM Demodulator error counters */
+struct MXL_EAGLE_QAM_DEMOD_ERROR_COUNTERS_T {
+	u32  corrected_code_words;
+	u32  uncorrected_code_words;
+	u32  total_code_words_received;
+	u32  corrected_bits;
+	u32  error_mpeg_frames;
+	u32  mpeg_frames_received;
+	u32  erasures;
+};
+
+/* QAM Demodulator constellation point */
+struct MXL_EAGLE_QAM_DEMOD_CONSTELLATION_VAL_T {
+	s16  i_value[12];
+	s16  q_value[12];
+};
+
+/* QAM Demodulator equalizer filter taps */
+struct MXL_EAGLE_QAM_DEMOD_EQU_FILTER_T {
+	s16  ffe_taps[MXL_EAGLE_QAM_FFE_TAPS_LENGTH];
+	s16  spur_taps[MXL_EAGLE_QAM_SPUR_TAPS_LENGTH];
+	s16  dfe_taps[MXL_EAGLE_QAM_DFE_TAPS_LENGTH];
+	u8   ffe_leading_tap_index;
+	u8   dfe_taps_number;
+};
+
+/* OOB Demodulator parameters struct, used in OOB params configuration */
+struct __packed MXL_EAGLE_OOB_DEMOD_PARAMS_T {
+	u8   symbol_rate;
+	u8   iq_flip;
+	u8   clk_pol;
+};
+
+/* OOB Demodulator error counters */
+struct MXL_EAGLE_OOB_DEMOD_ERROR_COUNTERS_T {
+	u32  corrected_packets;
+	u32  uncorrected_packets;
+	u32  total_packets_received;
+};
+
+/* OOB status */
+struct __packed MXL_EAGLE_OOB_DEMOD_STATUS_T {
+	u16  snr_db_tenths;
+	s16  timing_offset;
+	s32  carrier_offsetHz;
+	u8   qam_locked;
+	u8   fec_locked;
+	u8   mpeg_locked;
+	u8   retune_required;
+	u8   iq_flip;
+};
+
+/* ATSC Demodulator status */
+struct __packed MXL_EAGLE_ATSC_DEMOD_STATUS_T {
+	s16  snr_db_tenths;
+	s16  timing_offset;
+	s32  carrier_offset_hz;
+	u8   frame_lock;
+	u8   atsc_lock;
+	u8   fec_lock;
+};
+
+/* ATSC Demodulator error counters */
+struct MXL_EAGLE_ATSC_DEMOD_ERROR_COUNTERS_T {
+	u32  error_packets;
+	u32  total_packets;
+	u32  error_bytes;
+};
+
+/* ATSC Demodulator equalizers filter taps */
+struct __packed MXL_EAGLE_ATSC_DEMOD_EQU_FILTER_T {
+	s16  ffe_taps[MXL_EAGLE_ATSC_FFE_TAPS_LENGTH];
+	s8   dfe_taps[MXL_EAGLE_ATSC_DFE_TAPS_LENGTH];
+};
+
+/* Tuner AGC Status */
+struct __packed MXL_EAGLE_TUNER_AGC_STATUS_T {
+	u8   locked;
+	u16  raw_agc_gain;    /* AGC gain [dB] = rawAgcGain / 2^6 */
+	s16  rx_power_db_hundredths;
+};
+
+/* Tuner channel tune parameters */
+struct __packed MXL_EAGLE_TUNER_CHANNEL_PARAMS_T {
+	u32  freq_hz;
+	u8   tune_mode;
+	u8   bandwidth;
+};
+
+/* Tuner channel lock indications */
+struct __packed MXL_EAGLE_TUNER_LOCK_STATUS_T {
+	u8   rf_pll_locked;
+	u8   ref_pll_locked;
+};
+
+/* Smart antenna parameters  used in Smart antenna params configuration */
+struct __packed MXL_EAGLE_SMA_PARAMS_T {
+	u8   full_duplex_enable;
+	u8   rx_disable;
+	u8   idle_logic_high;
+};
+
+/* Smart antenna message format */
+struct __packed MXL_EAGLE_SMA_MESSAGE_T {
+	u32  payload_bits;
+	u8   total_num_bits;
+};
+
