MaxLinear 692 is a combo demod/tuner which has ATSC and QAM
capabilities. Only ATSC is currently advertised via DVB
properties. QAM still has issues.
Signed-off-by: Brad Love <brad@xxxxxxxxxxxxxxxx>
---
drivers/media/dvb-frontends/Kconfig | 9 +
drivers/media/dvb-frontends/Makefile | 1 +
drivers/media/dvb-frontends/mxl692.c | 1363 +++++++++++++++++++++
drivers/media/dvb-frontends/mxl692.h | 38 +
drivers/media/dvb-frontends/mxl692_defs.h | 493 ++++++++
5 files changed, 1904 insertions(+)
create mode 100644 drivers/media/dvb-frontends/mxl692.c
create mode 100644 drivers/media/dvb-frontends/mxl692.h
create mode 100644 drivers/media/dvb-frontends/mxl692_defs.h
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..622b7a7ebab5
--- /dev/null
+++ b/drivers/media/dvb-frontends/mxl692.c
@@ -0,0 +1,1363 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Driver for the MaxLinear MxL69x family of combo tuners/demods
+ *
+ * Copyright (C) 2020 Brad Love <brad@xxxxxxxxxxxxxxxx>
+ *
+ * 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 int g_big_endian = -1;
+
+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_err(&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_err(&dev->i2c_client->dev, "i2c read error!\n");
+
+ return ret;
+}
+
+static void detect_endianness(void)
+{
+ u32 temp = 1;
+ u8 *p_temp = (u8 *)&temp;
+
+ g_big_endian = (*p_temp == 0) ? 1 : 0;
+
+ if (g_big_endian)
+ pr_debug("%s( BIG )\n", __func__);
+ else
+ pr_debug("%s( SMALL )\n", __func__);
+}
+
+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)
+{
+ if (g_big_endian)
+ return;
+
+ 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)
+{
+ if (g_big_endian)
+ return;
+
+ 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, remainder = 0, cur_cksum = 0;
+
+ for (ix = 0; ix < size / 4; ix++)
+ cur_cksum += cpu_to_be32(*(u32 *)(buffer +
+ (ix * sizeof(u32))));
+ remainder = size % 4;
+ if (remainder > 0)
+ cur_cksum += cpu_to_be32(*((u32 *)&buffer[size - remainder]));
+
+ cur_cksum ^= 0xDEADBEEF;
+
+ return be32_to_cpu(cur_cksum);
+}
+
+static int mxl692_validate_fw_header(const u8 *buffer, u32 buf_len)
+{
+ int status = 0;
+ u32 ix, temp = 0;
+ u32 *local_buf = NULL;
+
+ if (buffer[0] != 0x4D || buffer[1] != 0x31 ||
+ buffer[2] != 0x10 || buffer[3] != 0x02 ||
+ buffer[4] != 0x40 || buffer[5] != 0x00 ||
+ buffer[6] != 0x00 || buffer[7] != 0x80) {
+ status = -EINVAL;
+ goto err_finish;
+ }
+
+ local_buf = (u32 *)(buffer + 8);
+ temp = cpu_to_be32(*(u32 *)local_buf);
+
+ if ((buf_len - 16) != (temp >> 8)) {
+ status = -EINVAL;
+ goto err_finish;
+ }
+
+ temp = 0;
+ for (ix = 16; ix < buf_len; ix++)
+ temp += buffer[ix];
+
+ if ((u8)temp != buffer[11])
+ status = -EINVAL;
+err_finish:
+ if (status)
+ pr_err("%s failed! %d\n", __func__, status);
+ 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 = cpu_to_le32(addr + prevchunk_len);
+ 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_err(&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);
+ if (g_big_endian)
+ convert_endian(sizeof(u32) + total_len, local_buf + 2);
+
+ 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_err(&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;
+
+ if (g_big_endian)
+ convert_endian(sizeof(u32), plocal_buf);
+
+ 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;
+
+ if (status == 0 && g_big_endian)
+ convert_endian(size, buffer);
+ } else {
+ status = -EREMOTEIO;
+ }
+
+ if (status)
+ dev_err(&dev->i2c_client->dev, "err %d\n", status);
+
+ return status;
+}
+
+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;
+
+ 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_err(&dev->i2c_client->dev, "err %d\n", 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_err(&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->checksum = 0;
+ tx_header->opcode = opcode;
+ tx_header->payload_size = tx_payload_size;
+ tx_header->seqnum = dev->seqnum++;
+
+ 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);
+
+ /* 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) {
+ status = (int)rx_header->status;
+ 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);
+
+ if (resp_checksum != resp_checksum_tmp) {
+ status = -EREMOTEIO;
+ goto err_finish;
+ }
+
+ mxl692_rx_swap(rx_header->opcode, rx_buf);
+
+ if (rx_header->payload_size > 0) {
+ if (!rx_payload) {
+ 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_err(&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(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 *)®_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_err(&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 *)®_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_err(&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 *)®_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 *)®_val, sizeof(u32));
+ if (status)
+ goto err_finish;
+
+ /* configure digital regulator to high current mode */
+ status = mxl692_memread(dev, 0x90000018, (u8 *)®_val, sizeof(u32));
+ if (status)
+ goto err_finish;
+
+ reg_val |= 0x800;
+
+ status = mxl692_memwrite(dev, 0x90000018, (u8 *)®_val, sizeof(u32));
+
+err_finish:
+ if (status)
+ dev_err(&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 *)®_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 *)®_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 *)®_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 *)®_val, sizeof(u32));
+ if (status)
+ goto err_finish;
+
+ /* enable/disable XTAL calibration, based on master/slave device */
+ status = mxl692_memread(dev, 0x90000030, (u8 *)®_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 *)®_val1, sizeof(u32));
+ if (status)
+ goto err_finish;
+ } else {
+ /* disable XTAL calibration */
+ reg_val1 |= 0x2;
+
+ status = mxl692_memwrite(dev, 0x90000030, (u8 *)®_val1, sizeof(u32));
+ if (status)
+ goto err_finish;
+
+ /* set XTAL bias value */
+ status = mxl692_memread(dev, 0x9000002c, (u8 *)®_val, sizeof(u32));
+ if (status)
+ goto err_finish;
+
+ reg_val &= 0xC0FFFFFF;
+ reg_val |= 0xA000000;
+
+ status = mxl692_memwrite(dev, 0x9000002c, (u8 *)®_val, sizeof(u32));
+ if (status)
+ goto err_finish;
+ }
+
+ /* start XTAL calibration */
+ status = mxl692_memread(dev, 0x70000010, (u8 *)®_val, sizeof(u32));
+ if (status)
+ goto err_finish;
+
+ reg_val |= 0x8;
+
+ status = mxl692_memwrite(dev, 0x70000010, (u8 *)®_val, sizeof(u32));
+ if (status)
+ goto err_finish;
+
+ status = mxl692_memread(dev, 0x70000018, (u8 *)®_val, sizeof(u32));
+ if (status)
+ goto err_finish;
+
+ reg_val |= 0x10;
+
+ status = mxl692_memwrite(dev, 0x70000018, (u8 *)®_val, sizeof(u32));
+ if (status)
+ goto err_finish;
+
+ status = mxl692_memread(dev, 0x9001014c, (u8 *)®_val, sizeof(u32));
+ if (status)
+ goto err_finish;
+
+ reg_val &= 0xFFFFEFFF;
+
+ status = mxl692_memwrite(dev, 0x9001014c, (u8 *)®_val, sizeof(u32));
+ if (status)
+ goto err_finish;
+
+ reg_val |= 0x1000;
+
+ status = mxl692_memwrite(dev, 0x9001014c, (u8 *)®_val, sizeof(u32));
+ if (status)
+ goto err_finish;
+
+ usleep_range(45000, 55000);
+
+err_finish:
+ if (status)
+ dev_err(&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;
+
+ 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,
+ (u8 *)&power_mode,
+ sizeof(u8),
+ NULL,
+ 0);
+ if (status)
+ dev_err(&dev->i2c_client->dev, "err %d\n", 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);
+
+// usleep_range(500 * 1000, 510 * 1000); /* was 1000! */
+ status = mxl692_get_versions(dev);
+ if (status)
+ goto err;
+
+ dev->power_mode = MXL_EAGLE_POWER_MODE_SLEEP;
+
+warm:
+ /* 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:
+ 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;
+ enum MXL_EAGLE_POWER_MODE_E power_mode = MXL_EAGLE_POWER_MODE_ACTIVE;
+ 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 = {};
+
+ 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)
+ return 0;
+
+ dev->current_frequency = -1;
+ dev->demod_type = -1;
+
+ status = mxl692_i2c_writeread(dev,
+ MXL_EAGLE_OPCODE_DEVICE_DEMODULATOR_TYPE_SET,
+ (u8 *)&demod_type,
+ sizeof(u8),
+ NULL,
+ 0);
+ if (status) {
+ dev_dbg(&dev->i2c_client->dev, "DEVICE_DEMODULATOR_TYPE_SET...FAIL %d\n", status);
+ goto err;
+ }
+
+ usleep_range(20 * 1000, 30 * 1000); /* was 500! */
+
+ //Config Device Power Mode
+ if (dev->power_mode != MXL_EAGLE_POWER_MODE_ACTIVE) {
+ status = mxl692_powermode(dev, power_mode);
+ if (status)
+ goto err;
+
+ usleep_range(50 * 1000, 60 * 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;
+err:
+ return 0;
+}
+
+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;
+ }
+ return 0;
+}
+
+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_QAM_DEMOD_ERROR_COUNTERS_T *qam_errors;
+ 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");
+
+ qam_errors = (struct MXL_EAGLE_QAM_DEMOD_ERROR_COUNTERS_T *)&rx_buf;
+ 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;
+ }
+ return 0;
+}
+
+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_err(&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_err(&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");
+ detect_endianness();
+
+ return 0;
+err:
+ dev_err(&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 = {
+ .owner = THIS_MODULE,
+ .name = "mxl692",
+ },
+ .probe = mxl692_probe,
+ .remove = mxl692_remove,
+ .id_table = mxl692_id_table,
+};
+
+module_i2c_driver(mxl692_driver);
+
+MODULE_AUTHOR("Brad Love <brad@xxxxxxxxxxxxxxxx>");
+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@xxxxxxxxxxxxxxxx>
+ *
+ * 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..97fd18ae81ff
--- /dev/null
+++ b/drivers/media/dvb-frontends/mxl692_defs.h
@@ -0,0 +1,493 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Driver for the MaxLinear MxL69x family of combo tuners/demods
+ *
+ * Copyright (C) 2020 Brad Love <brad@xxxxxxxxxxxxxxxx>
+ *
+ * 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.
+ */
+
+//#define __packed __attribute__((packed))
+
+/*****************************************************************************
+ * 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 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;
+};
+
--
2.23.0
