Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1887 insertions, 0 deletions

diff --git a/drivers/media/dvb-frontends/mxl5xx.c b/drivers/media/dvb-frontends/mxl5xx.c
new file mode 100644
index 000000000..934d1c0b2
--- /dev/null
+++ b/drivers/media/dvb-frontends/mxl5xx.c
@@ -0,0 +1,1887 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Driver for the MaxLinear MxL5xx family of tuners/demods
+ *
+ * Copyright (C) 2014-2015 Ralph Metzler <rjkm@metzlerbros.de>
+ *                         Marcus Metzler <mocm@metzlerbros.de>
+ *                         developed for Digital Devices GmbH
+ *
+ * based on code:
+ * Copyright (c) 2011-2013 MaxLinear, Inc. All rights reserved
+ * which was released under GPL V2
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/firmware.h>
+#include <linux/i2c.h>
+#include <linux/mutex.h>
+#include <linux/vmalloc.h>
+#include <asm/div64.h>
+#include <asm/unaligned.h>
+
+#include <media/dvb_frontend.h>
+#include "mxl5xx.h"
+#include "mxl5xx_regs.h"
+#include "mxl5xx_defs.h"
+
+#define BYTE0(v) ((v >>  0) & 0xff)
+#define BYTE1(v) ((v >>  8) & 0xff)
+#define BYTE2(v) ((v >> 16) & 0xff)
+#define BYTE3(v) ((v >> 24) & 0xff)
+
+static LIST_HEAD(mxllist);
+
+struct mxl_base {
+	struct list_head     mxllist;
+	struct list_head     mxls;
+
+	u8                   adr;
+	struct i2c_adapter  *i2c;
+
+	u32                  count;
+	u32                  type;
+	u32                  sku_type;
+	u32                  chipversion;
+	u32                  clock;
+	u32                  fwversion;
+
+	u8                  *ts_map;
+	u8                   can_clkout;
+	u8                   chan_bond;
+	u8                   demod_num;
+	u8                   tuner_num;
+
+	unsigned long        next_tune;
+
+	struct mutex         i2c_lock;
+	struct mutex         status_lock;
+	struct mutex         tune_lock;
+
+	u8                   buf[MXL_HYDRA_OEM_MAX_CMD_BUFF_LEN];
+
+	u32                  cmd_size;
+	u8                   cmd_data[MAX_CMD_DATA];
+};
+
+struct mxl {
+	struct list_head     mxl;
+
+	struct mxl_base     *base;
+	struct dvb_frontend  fe;
+	struct device       *i2cdev;
+	u32                  demod;
+	u32                  tuner;
+	u32                  tuner_in_use;
+	u8                   xbar[3];
+
+	unsigned long        tune_time;
+};
+
+static void convert_endian(u8 flag, u32 size, u8 *d)
+{
+	u32 i;
+
+	if (!flag)
+		return;
+	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;
+	}
+
+}
+
+static int i2c_write(struct i2c_adapter *adap, u8 adr,
+			    u8 *data, u32 len)
+{
+	struct i2c_msg msg = {.addr = adr, .flags = 0,
+			      .buf = data, .len = len};
+
+	return (i2c_transfer(adap, &msg, 1) == 1) ? 0 : -1;
+}
+
+static int i2c_read(struct i2c_adapter *adap, u8 adr,
+			   u8 *data, u32 len)
+{
+	struct i2c_msg msg = {.addr = adr, .flags = I2C_M_RD,
+			      .buf = data, .len = len};
+
+	return (i2c_transfer(adap, &msg, 1) == 1) ? 0 : -1;
+}
+
+static int i2cread(struct mxl *state, u8 *data, int len)
+{
+	return i2c_read(state->base->i2c, state->base->adr, data, len);
+}
+
+static int i2cwrite(struct mxl *state, u8 *data, int len)
+{
+	return i2c_write(state->base->i2c, state->base->adr, data, len);
+}
+
+static int read_register_unlocked(struct mxl *state, u32 reg, u32 *val)
+{
+	int stat;
+	u8 data[MXL_HYDRA_REG_SIZE_IN_BYTES + MXL_HYDRA_I2C_HDR_SIZE] = {
+		MXL_HYDRA_PLID_REG_READ, 0x04,
+		GET_BYTE(reg, 0), GET_BYTE(reg, 1),
+		GET_BYTE(reg, 2), GET_BYTE(reg, 3),
+	};
+
+	stat = i2cwrite(state, data,
+			MXL_HYDRA_REG_SIZE_IN_BYTES + MXL_HYDRA_I2C_HDR_SIZE);
+	if (stat)
+		dev_err(state->i2cdev, "i2c read error 1\n");
+	if (!stat)
+		stat = i2cread(state, (u8 *) val,
+			       MXL_HYDRA_REG_SIZE_IN_BYTES);
+	le32_to_cpus(val);
+	if (stat)
+		dev_err(state->i2cdev, "i2c read error 2\n");
+	return stat;
+}
+
+#define DMA_I2C_INTERRUPT_ADDR 0x8000011C
+#define DMA_INTR_PROT_WR_CMP 0x08
+
+static int send_command(struct mxl *state, u32 size, u8 *buf)
+{
+	int stat;
+	u32 val, count = 10;
+
+	mutex_lock(&state->base->i2c_lock);
+	if (state->base->fwversion > 0x02010109)  {
+		read_register_unlocked(state, DMA_I2C_INTERRUPT_ADDR, &val);
+		if (DMA_INTR_PROT_WR_CMP & val)
+			dev_info(state->i2cdev, "%s busy\n", __func__);
+		while ((DMA_INTR_PROT_WR_CMP & val) && --count) {
+			mutex_unlock(&state->base->i2c_lock);
+			usleep_range(1000, 2000);
+			mutex_lock(&state->base->i2c_lock);
+			read_register_unlocked(state, DMA_I2C_INTERRUPT_ADDR,
+					       &val);
+		}
+		if (!count) {
+			dev_info(state->i2cdev, "%s busy\n", __func__);
+			mutex_unlock(&state->base->i2c_lock);
+			return -EBUSY;
+		}
+	}
+	stat = i2cwrite(state, buf, size);
+	mutex_unlock(&state->base->i2c_lock);
+	return stat;
+}
+
+static int write_register(struct mxl *state, u32 reg, u32 val)
+{
+	int stat;
+	u8 data[MXL_HYDRA_REG_WRITE_LEN] = {
+		MXL_HYDRA_PLID_REG_WRITE, 0x08,
+		BYTE0(reg), BYTE1(reg), BYTE2(reg), BYTE3(reg),
+		BYTE0(val), BYTE1(val), BYTE2(val), BYTE3(val),
+	};
+	mutex_lock(&state->base->i2c_lock);
+	stat = i2cwrite(state, data, sizeof(data));
+	mutex_unlock(&state->base->i2c_lock);
+	if (stat)
+		dev_err(state->i2cdev, "i2c write error\n");
+	return stat;
+}
+
+static int write_firmware_block(struct mxl *state,
+				u32 reg, u32 size, u8 *reg_data_ptr)
+{
+	int stat;
+	u8 *buf = state->base->buf;
+
+	mutex_lock(&state->base->i2c_lock);
+	buf[0] = MXL_HYDRA_PLID_REG_WRITE;
+	buf[1] = size + 4;
+	buf[2] = GET_BYTE(reg, 0);
+	buf[3] = GET_BYTE(reg, 1);
+	buf[4] = GET_BYTE(reg, 2);
+	buf[5] = GET_BYTE(reg, 3);
+	memcpy(&buf[6], reg_data_ptr, size);
+	stat = i2cwrite(state, buf,
+			MXL_HYDRA_I2C_HDR_SIZE +
+			MXL_HYDRA_REG_SIZE_IN_BYTES + size);
+	mutex_unlock(&state->base->i2c_lock);
+	if (stat)
+		dev_err(state->i2cdev, "fw block write failed\n");
+	return stat;
+}
+
+static int read_register(struct mxl *state, u32 reg, u32 *val)
+{
+	int stat;
+	u8 data[MXL_HYDRA_REG_SIZE_IN_BYTES + MXL_HYDRA_I2C_HDR_SIZE] = {
+		MXL_HYDRA_PLID_REG_READ, 0x04,
+		GET_BYTE(reg, 0), GET_BYTE(reg, 1),
+		GET_BYTE(reg, 2), GET_BYTE(reg, 3),
+	};
+
+	mutex_lock(&state->base->i2c_lock);
+	stat = i2cwrite(state, data,
+			MXL_HYDRA_REG_SIZE_IN_BYTES + MXL_HYDRA_I2C_HDR_SIZE);
+	if (stat)
+		dev_err(state->i2cdev, "i2c read error 1\n");
+	if (!stat)
+		stat = i2cread(state, (u8 *) val,
+			       MXL_HYDRA_REG_SIZE_IN_BYTES);
+	mutex_unlock(&state->base->i2c_lock);
+	le32_to_cpus(val);
+	if (stat)
+		dev_err(state->i2cdev, "i2c read error 2\n");
+	return stat;
+}
+
+static int read_register_block(struct mxl *state, u32 reg, u32 size, u8 *data)
+{
+	int stat;
+	u8 *buf = state->base->buf;
+
+	mutex_lock(&state->base->i2c_lock);
+
+	buf[0] = MXL_HYDRA_PLID_REG_READ;
+	buf[1] = size + 4;
+	buf[2] = GET_BYTE(reg, 0);
+	buf[3] = GET_BYTE(reg, 1);
+	buf[4] = GET_BYTE(reg, 2);
+	buf[5] = GET_BYTE(reg, 3);
+	stat = i2cwrite(state, buf,
+			MXL_HYDRA_I2C_HDR_SIZE + MXL_HYDRA_REG_SIZE_IN_BYTES);
+	if (!stat) {
+		stat = i2cread(state, data, size);
+		convert_endian(MXL_ENABLE_BIG_ENDIAN, size, data);
+	}
+	mutex_unlock(&state->base->i2c_lock);
+	return stat;
+}
+
+static int read_by_mnemonic(struct mxl *state,
+			    u32 reg, u8 lsbloc, u8 numofbits, u32 *val)
+{
+	u32 data = 0, mask = 0;
+	int stat;
+
+	stat = read_register(state, reg, &data);
+	if (stat)
+		return stat;
+	mask = MXL_GET_REG_MASK_32(lsbloc, numofbits);
+	data &= mask;
+	data >>= lsbloc;
+	*val = data;
+	return 0;
+}
+
+
+static int update_by_mnemonic(struct mxl *state,
+			      u32 reg, u8 lsbloc, u8 numofbits, u32 val)
+{
+	u32 data, mask;
+	int stat;
+
+	stat = read_register(state, reg, &data);
+	if (stat)
+		return stat;
+	mask = MXL_GET_REG_MASK_32(lsbloc, numofbits);
+	data = (data & ~mask) | ((val << lsbloc) & mask);
+	stat = write_register(state, reg, data);
+	return stat;
+}
+
+static int firmware_is_alive(struct mxl *state)
+{
+	u32 hb0, hb1;
+
+	if (read_register(state, HYDRA_HEAR_BEAT, &hb0))
+		return 0;
+	msleep(20);
+	if (read_register(state, HYDRA_HEAR_BEAT, &hb1))
+		return 0;
+	if (hb1 == hb0)
+		return 0;
+	return 1;
+}
+
+static int init(struct dvb_frontend *fe)
+{
+	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+
+	/* init fe stats */
+	p->strength.len = 1;
+	p->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	p->cnr.len = 1;
+	p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	p->pre_bit_error.len = 1;
+	p->pre_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	p->pre_bit_count.len = 1;
+	p->pre_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	p->post_bit_error.len = 1;
+	p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	p->post_bit_count.len = 1;
+	p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+
+	return 0;
+}
+
+static void release(struct dvb_frontend *fe)
+{
+	struct mxl *state = fe->demodulator_priv;
+
+	list_del(&state->mxl);
+	/* Release one frontend, two more shall take its place! */
+	state->base->count--;
+	if (state->base->count == 0) {
+		list_del(&state->base->mxllist);
+		kfree(state->base);
+	}
+	kfree(state);
+}
+
+static enum dvbfe_algo get_algo(struct dvb_frontend *fe)
+{
+	return DVBFE_ALGO_HW;
+}
+
+static u32 gold2root(u32 gold)
+{
+	u32 x, g, tmp = gold;
+
+	if (tmp >= 0x3ffff)
+		tmp = 0;
+	for (g = 0, x = 1; g < tmp; g++)
+		x = (((x ^ (x >> 7)) & 1) << 17) | (x >> 1);
+	return x;
+}
+
+static int cfg_scrambler(struct mxl *state, u32 gold)
+{
+	u32 root;
+	u8 buf[26] = {
+		MXL_HYDRA_PLID_CMD_WRITE, 24,
+		0, MXL_HYDRA_DEMOD_SCRAMBLE_CODE_CMD, 0, 0,
+		state->demod, 0, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0,
+		0, 0, 0, 0, 1, 0, 0, 0,
+	};
+
+	root = gold2root(gold);
+
+	buf[25] = (root >> 24) & 0xff;
+	buf[24] = (root >> 16) & 0xff;
+	buf[23] = (root >> 8) & 0xff;
+	buf[22] = root & 0xff;
+
+	return send_command(state, sizeof(buf), buf);
+}
+
+static int cfg_demod_abort_tune(struct mxl *state)
+{
+	struct MXL_HYDRA_DEMOD_ABORT_TUNE_T abort_tune_cmd;
+	u8 cmd_size = sizeof(abort_tune_cmd);
+	u8 cmd_buff[MXL_HYDRA_OEM_MAX_CMD_BUFF_LEN];
+
+	abort_tune_cmd.demod_id = state->demod;
+	BUILD_HYDRA_CMD(MXL_HYDRA_ABORT_TUNE_CMD, MXL_CMD_WRITE,
+			cmd_size, &abort_tune_cmd, cmd_buff);
+	return send_command(state, cmd_size + MXL_HYDRA_CMD_HEADER_SIZE,
+			    &cmd_buff[0]);
+}
+
+static int send_master_cmd(struct dvb_frontend *fe,
+			   struct dvb_diseqc_master_cmd *cmd)
+{
+	/*struct mxl *state = fe->demodulator_priv;*/
+
+	return 0; /*CfgDemodAbortTune(state);*/
+}
+
+static int set_parameters(struct dvb_frontend *fe)
+{
+	struct mxl *state = fe->demodulator_priv;
+	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+	struct MXL_HYDRA_DEMOD_PARAM_T demod_chan_cfg;
+	u8 cmd_size = sizeof(demod_chan_cfg);
+	u8 cmd_buff[MXL_HYDRA_OEM_MAX_CMD_BUFF_LEN];
+	u32 srange = 10;
+	int stat;
+
+	if (p->frequency < 950000 || p->frequency > 2150000)
+		return -EINVAL;
+	if (p->symbol_rate < 1000000 || p->symbol_rate > 45000000)
+		return -EINVAL;
+
+	/* CfgDemodAbortTune(state); */
+
+	switch (p->delivery_system) {
+	case SYS_DSS:
+		demod_chan_cfg.standard = MXL_HYDRA_DSS;
+		demod_chan_cfg.roll_off = MXL_HYDRA_ROLLOFF_AUTO;
+		break;
+	case SYS_DVBS:
+		srange = p->symbol_rate / 1000000;
+		if (srange > 10)
+			srange = 10;
+		demod_chan_cfg.standard = MXL_HYDRA_DVBS;
+		demod_chan_cfg.roll_off = MXL_HYDRA_ROLLOFF_0_35;
+		demod_chan_cfg.modulation_scheme = MXL_HYDRA_MOD_QPSK;
+		demod_chan_cfg.pilots = MXL_HYDRA_PILOTS_OFF;
+		break;
+	case SYS_DVBS2:
+		demod_chan_cfg.standard = MXL_HYDRA_DVBS2;
+		demod_chan_cfg.roll_off = MXL_HYDRA_ROLLOFF_AUTO;
+		demod_chan_cfg.modulation_scheme = MXL_HYDRA_MOD_AUTO;
+		demod_chan_cfg.pilots = MXL_HYDRA_PILOTS_AUTO;
+		cfg_scrambler(state, p->scrambling_sequence_index);
+		break;
+	default:
+		return -EINVAL;
+	}
+	demod_chan_cfg.tuner_index = state->tuner;
+	demod_chan_cfg.demod_index = state->demod;
+	demod_chan_cfg.frequency_in_hz = p->frequency * 1000;
+	demod_chan_cfg.symbol_rate_in_hz = p->symbol_rate;
+	demod_chan_cfg.max_carrier_offset_in_mhz = srange;
+	demod_chan_cfg.spectrum_inversion = MXL_HYDRA_SPECTRUM_AUTO;
+	demod_chan_cfg.fec_code_rate = MXL_HYDRA_FEC_AUTO;
+
+	mutex_lock(&state->base->tune_lock);
+	if (time_after(jiffies + msecs_to_jiffies(200),
+		       state->base->next_tune))
+		while (time_before(jiffies, state->base->next_tune))
+			usleep_range(10000, 11000);
+	state->base->next_tune = jiffies + msecs_to_jiffies(100);
+	state->tuner_in_use = state->tuner;
+	BUILD_HYDRA_CMD(MXL_HYDRA_DEMOD_SET_PARAM_CMD, MXL_CMD_WRITE,
+			cmd_size, &demod_chan_cfg, cmd_buff);
+	stat = send_command(state, cmd_size + MXL_HYDRA_CMD_HEADER_SIZE,
+			    &cmd_buff[0]);
+	mutex_unlock(&state->base->tune_lock);
+	return stat;
+}
+
+static int enable_tuner(struct mxl *state, u32 tuner, u32 enable);
+
+static int sleep(struct dvb_frontend *fe)
+{
+	struct mxl *state = fe->demodulator_priv;
+	struct mxl *p;
+
+	cfg_demod_abort_tune(state);
+	if (state->tuner_in_use != 0xffffffff) {
+		mutex_lock(&state->base->tune_lock);
+		state->tuner_in_use = 0xffffffff;
+		list_for_each_entry(p, &state->base->mxls, mxl) {
+			if (p->tuner_in_use == state->tuner)
+				break;
+		}
+		if (&p->mxl == &state->base->mxls)
+			enable_tuner(state, state->tuner, 0);
+		mutex_unlock(&state->base->tune_lock);
+	}
+	return 0;
+}
+
+static int read_snr(struct dvb_frontend *fe)
+{
+	struct mxl *state = fe->demodulator_priv;
+	int stat;
+	u32 reg_data = 0;
+	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+
+	mutex_lock(&state->base->status_lock);
+	HYDRA_DEMOD_STATUS_LOCK(state, state->demod);
+	stat = read_register(state, (HYDRA_DMD_SNR_ADDR_OFFSET +
+				     HYDRA_DMD_STATUS_OFFSET(state->demod)),
+			     &reg_data);
+	HYDRA_DEMOD_STATUS_UNLOCK(state, state->demod);
+	mutex_unlock(&state->base->status_lock);
+
+	p->cnr.stat[0].scale = FE_SCALE_DECIBEL;
+	p->cnr.stat[0].svalue = (s16)reg_data * 10;
+
+	return stat;
+}
+
+static int read_ber(struct dvb_frontend *fe)
+{
+	struct mxl *state = fe->demodulator_priv;
+	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+	u32 reg[8];
+
+	mutex_lock(&state->base->status_lock);
+	HYDRA_DEMOD_STATUS_LOCK(state, state->demod);
+	read_register_block(state,
+		(HYDRA_DMD_DVBS_1ST_CORR_RS_ERRORS_ADDR_OFFSET +
+		 HYDRA_DMD_STATUS_OFFSET(state->demod)),
+		(4 * sizeof(u32)),
+		(u8 *) &reg[0]);
+	HYDRA_DEMOD_STATUS_UNLOCK(state, state->demod);
+
+	switch (p->delivery_system) {
+	case SYS_DSS:
+	case SYS_DVBS:
+		p->pre_bit_error.stat[0].scale = FE_SCALE_COUNTER;
+		p->pre_bit_error.stat[0].uvalue = reg[2];
+		p->pre_bit_count.stat[0].scale = FE_SCALE_COUNTER;
+		p->pre_bit_count.stat[0].uvalue = reg[3];
+		break;
+	default:
+		break;
+	}
+
+	read_register_block(state,
+		(HYDRA_DMD_DVBS2_CRC_ERRORS_ADDR_OFFSET +
+		 HYDRA_DMD_STATUS_OFFSET(state->demod)),
+		(7 * sizeof(u32)),
+		(u8 *) &reg[0]);
+
+	switch (p->delivery_system) {
+	case SYS_DSS:
+	case SYS_DVBS:
+		p->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
+		p->post_bit_error.stat[0].uvalue = reg[5];
+		p->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
+		p->post_bit_count.stat[0].uvalue = reg[6];
+		break;
+	case SYS_DVBS2:
+		p->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
+		p->post_bit_error.stat[0].uvalue = reg[1];
+		p->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
+		p->post_bit_count.stat[0].uvalue = reg[2];
+		break;
+	default:
+		break;
+	}
+
+	mutex_unlock(&state->base->status_lock);
+
+	return 0;
+}
+
+static int read_signal_strength(struct dvb_frontend *fe)
+{
+	struct mxl *state = fe->demodulator_priv;
+	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+	int stat;
+	u32 reg_data = 0;
+
+	mutex_lock(&state->base->status_lock);
+	HYDRA_DEMOD_STATUS_LOCK(state, state->demod);
+	stat = read_register(state, (HYDRA_DMD_STATUS_INPUT_POWER_ADDR +
+				     HYDRA_DMD_STATUS_OFFSET(state->demod)),
+			     &reg_data);
+	HYDRA_DEMOD_STATUS_UNLOCK(state, state->demod);
+	mutex_unlock(&state->base->status_lock);
+
+	p->strength.stat[0].scale = FE_SCALE_DECIBEL;
+	p->strength.stat[0].svalue = (s16) reg_data * 10; /* fix scale */
+
+	return stat;
+}
+
+static int read_status(struct dvb_frontend *fe, enum fe_status *status)
+{
+	struct mxl *state = fe->demodulator_priv;
+	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+	u32 reg_data = 0;
+
+	mutex_lock(&state->base->status_lock);
+	HYDRA_DEMOD_STATUS_LOCK(state, state->demod);
+	read_register(state, (HYDRA_DMD_LOCK_STATUS_ADDR_OFFSET +
+			     HYDRA_DMD_STATUS_OFFSET(state->demod)),
+			     &reg_data);
+	HYDRA_DEMOD_STATUS_UNLOCK(state, state->demod);
+	mutex_unlock(&state->base->status_lock);
+
+	*status = (reg_data == 1) ? 0x1f : 0;
+
+	/* signal statistics */
+
+	/* signal strength is always available */
+	read_signal_strength(fe);
+
+	if (*status & FE_HAS_CARRIER)
+		read_snr(fe);
+	else
+		p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+
+	if (*status & FE_HAS_SYNC)
+		read_ber(fe);
+	else {
+		p->pre_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+		p->pre_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+		p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+		p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	}
+
+	return 0;
+}
+
+static int tune(struct dvb_frontend *fe, bool re_tune,
+		unsigned int mode_flags,
+		unsigned int *delay, enum fe_status *status)
+{
+	struct mxl *state = fe->demodulator_priv;
+	int r = 0;
+
+	*delay = HZ / 2;
+	if (re_tune) {
+		r = set_parameters(fe);
+		if (r)
+			return r;
+		state->tune_time = jiffies;
+	}
+
+	return read_status(fe, status);
+}
+
+static enum fe_code_rate conv_fec(enum MXL_HYDRA_FEC_E fec)
+{
+	enum fe_code_rate fec2fec[11] = {
+		FEC_NONE, FEC_1_2, FEC_3_5, FEC_2_3,
+		FEC_3_4, FEC_4_5, FEC_5_6, FEC_6_7,
+		FEC_7_8, FEC_8_9, FEC_9_10
+	};
+
+	if (fec > MXL_HYDRA_FEC_9_10)
+		return FEC_NONE;
+	return fec2fec[fec];
+}
+
+static int get_frontend(struct dvb_frontend *fe,
+			struct dtv_frontend_properties *p)
+{
+	struct mxl *state = fe->demodulator_priv;
+	u32 reg_data[MXL_DEMOD_CHAN_PARAMS_BUFF_SIZE];
+	u32 freq;
+
+	mutex_lock(&state->base->status_lock);
+	HYDRA_DEMOD_STATUS_LOCK(state, state->demod);
+	read_register_block(state,
+		(HYDRA_DMD_STANDARD_ADDR_OFFSET +
+		HYDRA_DMD_STATUS_OFFSET(state->demod)),
+		(MXL_DEMOD_CHAN_PARAMS_BUFF_SIZE * 4), /* 25 * 4 bytes */
+		(u8 *) &reg_data[0]);
+	/* read demod channel parameters */
+	read_register_block(state,
+		(HYDRA_DMD_STATUS_CENTER_FREQ_IN_KHZ_ADDR +
+		HYDRA_DMD_STATUS_OFFSET(state->demod)),
+		(4), /* 4 bytes */
+		(u8 *) &freq);
+	HYDRA_DEMOD_STATUS_UNLOCK(state, state->demod);
+	mutex_unlock(&state->base->status_lock);
+
+	dev_dbg(state->i2cdev, "freq=%u delsys=%u srate=%u\n",
+		freq * 1000, reg_data[DMD_STANDARD_ADDR],
+		reg_data[DMD_SYMBOL_RATE_ADDR]);
+	p->symbol_rate = reg_data[DMD_SYMBOL_RATE_ADDR];
+	p->frequency = freq;
+	/*
+	 * p->delivery_system =
+	 *	(MXL_HYDRA_BCAST_STD_E) regData[DMD_STANDARD_ADDR];
+	 * p->inversion =
+	 *	(MXL_HYDRA_SPECTRUM_E) regData[DMD_SPECTRUM_INVERSION_ADDR];
+	 * freqSearchRangeKHz =
+	 *	(regData[DMD_FREQ_SEARCH_RANGE_IN_KHZ_ADDR]);
+	 */
+
+	p->fec_inner = conv_fec(reg_data[DMD_FEC_CODE_RATE_ADDR]);
+	switch (p->delivery_system) {
+	case SYS_DSS:
+		break;
+	case SYS_DVBS2:
+		switch ((enum MXL_HYDRA_PILOTS_E)
+			reg_data[DMD_DVBS2_PILOT_ON_OFF_ADDR]) {
+		case MXL_HYDRA_PILOTS_OFF:
+			p->pilot = PILOT_OFF;
+			break;
+		case MXL_HYDRA_PILOTS_ON:
+			p->pilot = PILOT_ON;
+			break;
+		default:
+			break;
+		}
+		fallthrough;
+	case SYS_DVBS:
+		switch ((enum MXL_HYDRA_MODULATION_E)
+			reg_data[DMD_MODULATION_SCHEME_ADDR]) {
+		case MXL_HYDRA_MOD_QPSK:
+			p->modulation = QPSK;
+			break;
+		case MXL_HYDRA_MOD_8PSK:
+			p->modulation = PSK_8;
+			break;
+		default:
+			break;
+		}
+		switch ((enum MXL_HYDRA_ROLLOFF_E)
+			reg_data[DMD_SPECTRUM_ROLL_OFF_ADDR]) {
+		case MXL_HYDRA_ROLLOFF_0_20:
+			p->rolloff = ROLLOFF_20;
+			break;
+		case MXL_HYDRA_ROLLOFF_0_35:
+			p->rolloff = ROLLOFF_35;
+			break;
+		case MXL_HYDRA_ROLLOFF_0_25:
+			p->rolloff = ROLLOFF_25;
+			break;
+		default:
+			break;
+		}
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int set_input(struct dvb_frontend *fe, int input)
+{
+	struct mxl *state = fe->demodulator_priv;
+
+	state->tuner = input;
+	return 0;
+}
+
+static const struct dvb_frontend_ops mxl_ops = {
+	.delsys = { SYS_DVBS, SYS_DVBS2, SYS_DSS },
+	.info = {
+		.name			= "MaxLinear MxL5xx DVB-S/S2 tuner-demodulator",
+		.frequency_min_hz	=  300 * MHz,
+		.frequency_max_hz	= 2350 * MHz,
+		.symbol_rate_min	= 1000000,
+		.symbol_rate_max	= 45000000,
+		.caps			= FE_CAN_INVERSION_AUTO |
+					  FE_CAN_FEC_AUTO       |
+					  FE_CAN_QPSK           |
+					  FE_CAN_2G_MODULATION
+	},
+	.init				= init,
+	.release                        = release,
+	.get_frontend_algo              = get_algo,
+	.tune                           = tune,
+	.read_status			= read_status,
+	.sleep				= sleep,
+	.get_frontend                   = get_frontend,
+	.diseqc_send_master_cmd		= send_master_cmd,
+};
+
+static struct mxl_base *match_base(struct i2c_adapter  *i2c, u8 adr)
+{
+	struct mxl_base *p;
+
+	list_for_each_entry(p, &mxllist, mxllist)
+		if (p->i2c == i2c && p->adr == adr)
+			return p;
+	return NULL;
+}
+
+static void cfg_dev_xtal(struct mxl *state, u32 freq, u32 cap, u32 enable)
+{
+	if (state->base->can_clkout || !enable)
+		update_by_mnemonic(state, 0x90200054, 23, 1, enable);
+
+	if (freq == 24000000)
+		write_register(state, HYDRA_CRYSTAL_SETTING, 0);
+	else
+		write_register(state, HYDRA_CRYSTAL_SETTING, 1);
+
+	write_register(state, HYDRA_CRYSTAL_CAP, cap);
+}
+
+static u32 get_big_endian(u8 num_of_bits, const u8 buf[])
+{
+	u32 ret_value = 0;
+
+	switch (num_of_bits) {
+	case 24:
+		ret_value = (((u32) buf[0]) << 16) |
+			(((u32) buf[1]) << 8) | buf[2];
+		break;
+	case 32:
+		ret_value = (((u32) buf[0]) << 24) |
+			(((u32) buf[1]) << 16) |
+			(((u32) buf[2]) << 8) | buf[3];
+		break;
+	default:
+		break;
+	}
+
+	return ret_value;
+}
+
+static int write_fw_segment(struct mxl *state,
+			    u32 mem_addr, u32 total_size, u8 *data_ptr)
+{
+	int status;
+	u32 data_count = 0;
+	u32 size = 0;
+	u32 orig_size = 0;
+	u8 *w_buf_ptr = NULL;
+	u32 block_size = ((MXL_HYDRA_OEM_MAX_BLOCK_WRITE_LENGTH -
+			 (MXL_HYDRA_I2C_HDR_SIZE +
+			  MXL_HYDRA_REG_SIZE_IN_BYTES)) / 4) * 4;
+	u8 w_msg_buffer[MXL_HYDRA_OEM_MAX_BLOCK_WRITE_LENGTH -
+		      (MXL_HYDRA_I2C_HDR_SIZE + MXL_HYDRA_REG_SIZE_IN_BYTES)];
+
+	do {
+		size = orig_size = (((u32)(data_count + block_size)) > total_size) ?
+			(total_size - data_count) : block_size;
+
+		if (orig_size & 3)
+			size = (orig_size + 4) & ~3;
+		w_buf_ptr = &w_msg_buffer[0];
+		memset((void *) w_buf_ptr, 0, size);
+		memcpy((void *) w_buf_ptr, (void *) data_ptr, orig_size);
+		convert_endian(1, size, w_buf_ptr);
+		status  = write_firmware_block(state, mem_addr, size, w_buf_ptr);
+		if (status)
+			return status;
+		data_count += size;
+		mem_addr   += size;
+		data_ptr   += size;
+	} while (data_count < total_size);
+
+	return status;
+}
+
+static int do_firmware_download(struct mxl *state, u8 *mbin_buffer_ptr,
+				u32 mbin_buffer_size)
+
+{
+	int status;
+	u32 index = 0;
+	u32 seg_length = 0;
+	u32 seg_address = 0;
+	struct MBIN_FILE_T *mbin_ptr  = (struct MBIN_FILE_T *)mbin_buffer_ptr;
+	struct MBIN_SEGMENT_T *segment_ptr;
+	enum MXL_BOOL_E xcpu_fw_flag = MXL_FALSE;
+
+	if (mbin_ptr->header.id != MBIN_FILE_HEADER_ID) {
+		dev_err(state->i2cdev, "%s: Invalid file header ID (%c)\n",
+		       __func__, mbin_ptr->header.id);
+		return -EINVAL;
+	}
+	status = write_register(state, FW_DL_SIGN_ADDR, 0);
+	if (status)
+		return status;
+	segment_ptr = (struct MBIN_SEGMENT_T *) (&mbin_ptr->data[0]);
+	for (index = 0; index < mbin_ptr->header.num_segments; index++) {
+		if (segment_ptr->header.id != MBIN_SEGMENT_HEADER_ID) {
+			dev_err(state->i2cdev, "%s: Invalid segment header ID (%c)\n",
+			       __func__, segment_ptr->header.id);
+			return -EINVAL;
+		}
+		seg_length  = get_big_endian(24,
+					    &(segment_ptr->header.len24[0]));
+		seg_address = get_big_endian(32,
+					    &(segment_ptr->header.address[0]));
+
+		if (state->base->type == MXL_HYDRA_DEVICE_568) {
+			if ((((seg_address & 0x90760000) == 0x90760000) ||
+			     ((seg_address & 0x90740000) == 0x90740000)) &&
+			    (xcpu_fw_flag == MXL_FALSE)) {
+				update_by_mnemonic(state, 0x8003003C, 0, 1, 1);
+				msleep(200);
+				write_register(state, 0x90720000, 0);
+				usleep_range(10000, 11000);
+				xcpu_fw_flag = MXL_TRUE;
+			}
+			status = write_fw_segment(state, seg_address,
+						  seg_length,
+						  (u8 *) segment_ptr->data);
+		} else {
+			if (((seg_address & 0x90760000) != 0x90760000) &&
+			    ((seg_address & 0x90740000) != 0x90740000))
+				status = write_fw_segment(state, seg_address,
+					seg_length, (u8 *) segment_ptr->data);
+		}
+		if (status)
+			return status;
+		segment_ptr = (struct MBIN_SEGMENT_T *)
+			&(segment_ptr->data[((seg_length + 3) / 4) * 4]);
+	}
+	return status;
+}
+
+static int check_fw(struct mxl *state, u8 *mbin, u32 mbin_len)
+{
+	struct MBIN_FILE_HEADER_T *fh = (struct MBIN_FILE_HEADER_T *) mbin;
+	u32 flen = (fh->image_size24[0] << 16) |
+		(fh->image_size24[1] <<  8) | fh->image_size24[2];
+	u8 *fw, cs = 0;
+	u32 i;
+
+	if (fh->id != 'M' || fh->fmt_version != '1' || flen > 0x3FFF0) {
+		dev_info(state->i2cdev, "Invalid FW Header\n");
+		return -1;
+	}
+	fw = mbin + sizeof(struct MBIN_FILE_HEADER_T);
+	for (i = 0; i < flen; i += 1)
+		cs += fw[i];
+	if (cs != fh->image_checksum) {
+		dev_info(state->i2cdev, "Invalid FW Checksum\n");
+		return -1;
+	}
+	return 0;
+}
+
+static int firmware_download(struct mxl *state, u8 *mbin, u32 mbin_len)
+{
+	int status;
+	u32 reg_data = 0;
+	struct MXL_HYDRA_SKU_COMMAND_T dev_sku_cfg;
+	u8 cmd_size = sizeof(struct MXL_HYDRA_SKU_COMMAND_T);
+	u8 cmd_buff[sizeof(struct MXL_HYDRA_SKU_COMMAND_T) + 6];
+
+	if (check_fw(state, mbin, mbin_len))
+		return -1;
+
+	/* put CPU into reset */
+	status = update_by_mnemonic(state, 0x8003003C, 0, 1, 0);
+	if (status)
+		return status;
+	usleep_range(1000, 2000);
+
+	/* Reset TX FIFO's, BBAND, XBAR */
+	status = write_register(state, HYDRA_RESET_TRANSPORT_FIFO_REG,
+				HYDRA_RESET_TRANSPORT_FIFO_DATA);
+	if (status)
+		return status;
+	status = write_register(state, HYDRA_RESET_BBAND_REG,
+				HYDRA_RESET_BBAND_DATA);
+	if (status)
+		return status;
+	status = write_register(state, HYDRA_RESET_XBAR_REG,
+				HYDRA_RESET_XBAR_DATA);
+	if (status)
+		return status;
+
+	/* Disable clock to Baseband, Wideband, SerDes,
+	 * Alias ext & Transport modules
+	 */
+	status = write_register(state, HYDRA_MODULES_CLK_2_REG,
+				HYDRA_DISABLE_CLK_2);
+	if (status)
+		return status;
+	/* Clear Software & Host interrupt status - (Clear on read) */
+	status = read_register(state, HYDRA_PRCM_ROOT_CLK_REG, &reg_data);
+	if (status)
+		return status;
+	status = do_firmware_download(state, mbin, mbin_len);
+	if (status)
+		return status;
+
+	if (state->base->type == MXL_HYDRA_DEVICE_568) {
+		usleep_range(10000, 11000);
+
+		/* bring XCPU out of reset */
+		status = write_register(state, 0x90720000, 1);
+		if (status)
+			return status;
+		msleep(500);
+
+		/* Enable XCPU UART message processing in MCPU */
+		status = write_register(state, 0x9076B510, 1);
+		if (status)
+			return status;
+	} else {
+		/* Bring CPU out of reset */
+		status = update_by_mnemonic(state, 0x8003003C, 0, 1, 1);
+		if (status)
+			return status;
+		/* Wait until FW boots */
+		msleep(150);
+	}
+
+	/* Initialize XPT XBAR */
+	status = write_register(state, XPT_DMD0_BASEADDR, 0x76543210);
+	if (status)
+		return status;
+
+	if (!firmware_is_alive(state))
+		return -1;
+
+	dev_info(state->i2cdev, "Hydra FW alive. Hail!\n");
+
+	/* sometimes register values are wrong shortly
+	 * after first heart beats
+	 */
+	msleep(50);
+
+	dev_sku_cfg.sku_type = state->base->sku_type;
+	BUILD_HYDRA_CMD(MXL_HYDRA_DEV_CFG_SKU_CMD, MXL_CMD_WRITE,
+			cmd_size, &dev_sku_cfg, cmd_buff);
+	status = send_command(state, cmd_size + MXL_HYDRA_CMD_HEADER_SIZE,
+			      &cmd_buff[0]);
+
+	return status;
+}
+
+static int cfg_ts_pad_mux(struct mxl *state, enum MXL_BOOL_E enable_serial_ts)
+{
+	int status = 0;
+	u32 pad_mux_value = 0;
+
+	if (enable_serial_ts == MXL_TRUE) {
+		pad_mux_value = 0;
+		if ((state->base->type == MXL_HYDRA_DEVICE_541) ||
+		    (state->base->type == MXL_HYDRA_DEVICE_541S))
+			pad_mux_value = 2;
+	} else {
+		if ((state->base->type == MXL_HYDRA_DEVICE_581) ||
+		    (state->base->type == MXL_HYDRA_DEVICE_581S))
+			pad_mux_value = 2;
+		else
+			pad_mux_value = 3;
+	}
+
+	switch (state->base->type) {
+	case MXL_HYDRA_DEVICE_561:
+	case MXL_HYDRA_DEVICE_581:
+	case MXL_HYDRA_DEVICE_541:
+	case MXL_HYDRA_DEVICE_541S:
+	case MXL_HYDRA_DEVICE_561S:
+	case MXL_HYDRA_DEVICE_581S:
+		status |= update_by_mnemonic(state, 0x90000170, 24, 3,
+					     pad_mux_value);
+		status |= update_by_mnemonic(state, 0x90000170, 28, 3,
+					     pad_mux_value);
+		status |= update_by_mnemonic(state, 0x90000174, 0, 3,
+					     pad_mux_value);
+		status |= update_by_mnemonic(state, 0x90000174, 4, 3,
+					     pad_mux_value);
+		status |= update_by_mnemonic(state, 0x90000174, 8, 3,
+					     pad_mux_value);
+		status |= update_by_mnemonic(state, 0x90000174, 12, 3,
+					     pad_mux_value);
+		status |= update_by_mnemonic(state, 0x90000174, 16, 3,
+					     pad_mux_value);
+		status |= update_by_mnemonic(state, 0x90000174, 20, 3,
+					     pad_mux_value);
+		status |= update_by_mnemonic(state, 0x90000174, 24, 3,
+					     pad_mux_value);
+		status |= update_by_mnemonic(state, 0x90000174, 28, 3,
+					     pad_mux_value);
+		status |= update_by_mnemonic(state, 0x90000178, 0, 3,
+					     pad_mux_value);
+		status |= update_by_mnemonic(state, 0x90000178, 4, 3,
+					     pad_mux_value);
+		status |= update_by_mnemonic(state, 0x90000178, 8, 3,
+					     pad_mux_value);
+		break;
+
+	case MXL_HYDRA_DEVICE_544:
+	case MXL_HYDRA_DEVICE_542:
+		status |= update_by_mnemonic(state, 0x9000016C, 4, 3, 1);
+		status |= update_by_mnemonic(state, 0x9000016C, 8, 3, 0);
+		status |= update_by_mnemonic(state, 0x9000016C, 12, 3, 0);
+		status |= update_by_mnemonic(state, 0x9000016C, 16, 3, 0);
+		status |= update_by_mnemonic(state, 0x90000170, 0, 3, 0);
+		status |= update_by_mnemonic(state, 0x90000178, 12, 3, 1);
+		status |= update_by_mnemonic(state, 0x90000178, 16, 3, 1);
+		status |= update_by_mnemonic(state, 0x90000178, 20, 3, 1);
+		status |= update_by_mnemonic(state, 0x90000178, 24, 3, 1);
+		status |= update_by_mnemonic(state, 0x9000017C, 0, 3, 1);
+		status |= update_by_mnemonic(state, 0x9000017C, 4, 3, 1);
+		if (enable_serial_ts == MXL_ENABLE) {
+			status |= update_by_mnemonic(state,
+				0x90000170, 4, 3, 0);
+			status |= update_by_mnemonic(state,
+				0x90000170, 8, 3, 0);
+			status |= update_by_mnemonic(state,
+				0x90000170, 12, 3, 0);
+			status |= update_by_mnemonic(state,
+				0x90000170, 16, 3, 0);
+			status |= update_by_mnemonic(state,
+				0x90000170, 20, 3, 1);
+			status |= update_by_mnemonic(state,
+				0x90000170, 24, 3, 1);
+			status |= update_by_mnemonic(state,
+				0x90000170, 28, 3, 2);
+			status |= update_by_mnemonic(state,
+				0x90000174, 0, 3, 2);
+			status |= update_by_mnemonic(state,
+				0x90000174, 4, 3, 2);
+			status |= update_by_mnemonic(state,
+				0x90000174, 8, 3, 2);
+			status |= update_by_mnemonic(state,
+				0x90000174, 12, 3, 2);
+			status |= update_by_mnemonic(state,
+				0x90000174, 16, 3, 2);
+			status |= update_by_mnemonic(state,
+				0x90000174, 20, 3, 2);
+			status |= update_by_mnemonic(state,
+				0x90000174, 24, 3, 2);
+			status |= update_by_mnemonic(state,
+				0x90000174, 28, 3, 2);
+			status |= update_by_mnemonic(state,
+				0x90000178, 0, 3, 2);
+			status |= update_by_mnemonic(state,
+				0x90000178, 4, 3, 2);
+			status |= update_by_mnemonic(state,
+				0x90000178, 8, 3, 2);
+		} else {
+			status |= update_by_mnemonic(state,
+				0x90000170, 4, 3, 3);
+			status |= update_by_mnemonic(state,
+				0x90000170, 8, 3, 3);
+			status |= update_by_mnemonic(state,
+				0x90000170, 12, 3, 3);
+			status |= update_by_mnemonic(state,
+				0x90000170, 16, 3, 3);
+			status |= update_by_mnemonic(state,
+				0x90000170, 20, 3, 3);
+			status |= update_by_mnemonic(state,
+				0x90000170, 24, 3, 3);
+			status |= update_by_mnemonic(state,
+				0x90000170, 28, 3, 3);
+			status |= update_by_mnemonic(state,
+				0x90000174, 0, 3, 3);
+			status |= update_by_mnemonic(state,
+				0x90000174, 4, 3, 3);
+			status |= update_by_mnemonic(state,
+				0x90000174, 8, 3, 3);
+			status |= update_by_mnemonic(state,
+				0x90000174, 12, 3, 3);
+			status |= update_by_mnemonic(state,
+				0x90000174, 16, 3, 3);
+			status |= update_by_mnemonic(state,
+				0x90000174, 20, 3, 1);
+			status |= update_by_mnemonic(state,
+				0x90000174, 24, 3, 1);
+			status |= update_by_mnemonic(state,
+				0x90000174, 28, 3, 1);
+			status |= update_by_mnemonic(state,
+				0x90000178, 0, 3, 1);
+			status |= update_by_mnemonic(state,
+				0x90000178, 4, 3, 1);
+			status |= update_by_mnemonic(state,
+				0x90000178, 8, 3, 1);
+		}
+		break;
+
+	case MXL_HYDRA_DEVICE_568:
+		if (enable_serial_ts == MXL_FALSE) {
+			status |= update_by_mnemonic(state,
+				0x9000016C, 8, 3, 5);
+			status |= update_by_mnemonic(state,
+				0x9000016C, 12, 3, 5);
+			status |= update_by_mnemonic(state,
+				0x9000016C, 16, 3, 5);
+			status |= update_by_mnemonic(state,
+				0x9000016C, 20, 3, 5);
+			status |= update_by_mnemonic(state,
+				0x9000016C, 24, 3, 5);
+			status |= update_by_mnemonic(state,
+				0x9000016C, 28, 3, 5);
+			status |= update_by_mnemonic(state,
+				0x90000170, 0, 3, 5);
+			status |= update_by_mnemonic(state,
+				0x90000170, 4, 3, 5);
+			status |= update_by_mnemonic(state,
+				0x90000170, 8, 3, 5);
+			status |= update_by_mnemonic(state,
+				0x90000170, 12, 3, 5);
+			status |= update_by_mnemonic(state,
+				0x90000170, 16, 3, 5);
+			status |= update_by_mnemonic(state,
+				0x90000170, 20, 3, 5);
+
+			status |= update_by_mnemonic(state,
+				0x90000170, 24, 3, pad_mux_value);
+			status |= update_by_mnemonic(state,
+				0x90000174, 0, 3, pad_mux_value);
+			status |= update_by_mnemonic(state,
+				0x90000174, 4, 3, pad_mux_value);
+			status |= update_by_mnemonic(state,
+				0x90000174, 8, 3, pad_mux_value);
+			status |= update_by_mnemonic(state,
+				0x90000174, 12, 3, pad_mux_value);
+			status |= update_by_mnemonic(state,
+				0x90000174, 16, 3, pad_mux_value);
+			status |= update_by_mnemonic(state,
+				0x90000174, 20, 3, pad_mux_value);
+			status |= update_by_mnemonic(state,
+				0x90000174, 24, 3, pad_mux_value);
+			status |= update_by_mnemonic(state,
+				0x90000174, 28, 3, pad_mux_value);
+			status |= update_by_mnemonic(state,
+				0x90000178, 0, 3, pad_mux_value);
+			status |= update_by_mnemonic(state,
+				0x90000178, 4, 3, pad_mux_value);
+
+			status |= update_by_mnemonic(state,
+				0x90000178, 8, 3, 5);
+			status |= update_by_mnemonic(state,
+				0x90000178, 12, 3, 5);
+			status |= update_by_mnemonic(state,
+				0x90000178, 16, 3, 5);
+			status |= update_by_mnemonic(state,
+				0x90000178, 20, 3, 5);
+			status |= update_by_mnemonic(state,
+				0x90000178, 24, 3, 5);
+			status |= update_by_mnemonic(state,
+				0x90000178, 28, 3, 5);
+			status |= update_by_mnemonic(state,
+				0x9000017C, 0, 3, 5);
+			status |= update_by_mnemonic(state,
+				0x9000017C, 4, 3, 5);
+		} else {
+			status |= update_by_mnemonic(state,
+				0x90000170, 4, 3, pad_mux_value);
+			status |= update_by_mnemonic(state,
+				0x90000170, 8, 3, pad_mux_value);
+			status |= update_by_mnemonic(state,
+				0x90000170, 12, 3, pad_mux_value);
+			status |= update_by_mnemonic(state,
+				0x90000170, 16, 3, pad_mux_value);
+			status |= update_by_mnemonic(state,
+				0x90000170, 20, 3, pad_mux_value);
+			status |= update_by_mnemonic(state,
+				0x90000170, 24, 3, pad_mux_value);
+			status |= update_by_mnemonic(state,
+				0x90000170, 28, 3, pad_mux_value);
+			status |= update_by_mnemonic(state,
+				0x90000174, 0, 3, pad_mux_value);
+			status |= update_by_mnemonic(state,
+				0x90000174, 4, 3, pad_mux_value);
+			status |= update_by_mnemonic(state,
+				0x90000174, 8, 3, pad_mux_value);
+			status |= update_by_mnemonic(state,
+				0x90000174, 12, 3, pad_mux_value);
+		}
+		break;
+
+
+	case MXL_HYDRA_DEVICE_584:
+	default:
+		status |= update_by_mnemonic(state,
+			0x90000170, 4, 3, pad_mux_value);
+		status |= update_by_mnemonic(state,
+			0x90000170, 8, 3, pad_mux_value);
+		status |= update_by_mnemonic(state,
+			0x90000170, 12, 3, pad_mux_value);
+		status |= update_by_mnemonic(state,
+			0x90000170, 16, 3, pad_mux_value);
+		status |= update_by_mnemonic(state,
+			0x90000170, 20, 3, pad_mux_value);
+		status |= update_by_mnemonic(state,
+			0x90000170, 24, 3, pad_mux_value);
+		status |= update_by_mnemonic(state,
+			0x90000170, 28, 3, pad_mux_value);
+		status |= update_by_mnemonic(state,
+			0x90000174, 0, 3, pad_mux_value);
+		status |= update_by_mnemonic(state,
+			0x90000174, 4, 3, pad_mux_value);
+		status |= update_by_mnemonic(state,
+			0x90000174, 8, 3, pad_mux_value);
+		status |= update_by_mnemonic(state,
+			0x90000174, 12, 3, pad_mux_value);
+		break;
+	}
+	return status;
+}
+
+static int set_drive_strength(struct mxl *state,
+		enum MXL_HYDRA_TS_DRIVE_STRENGTH_E ts_drive_strength)
+{
+	int stat = 0;
+	u32 val;
+
+	read_register(state, 0x90000194, &val);
+	dev_info(state->i2cdev, "DIGIO = %08x\n", val);
+	dev_info(state->i2cdev, "set drive_strength = %u\n", ts_drive_strength);
+
+
+	stat |= update_by_mnemonic(state, 0x90000194, 0, 3, ts_drive_strength);
+	stat |= update_by_mnemonic(state, 0x90000194, 20, 3, ts_drive_strength);
+	stat |= update_by_mnemonic(state, 0x90000194, 24, 3, ts_drive_strength);
+	stat |= update_by_mnemonic(state, 0x90000198, 12, 3, ts_drive_strength);
+	stat |= update_by_mnemonic(state, 0x90000198, 16, 3, ts_drive_strength);
+	stat |= update_by_mnemonic(state, 0x90000198, 20, 3, ts_drive_strength);
+	stat |= update_by_mnemonic(state, 0x90000198, 24, 3, ts_drive_strength);
+	stat |= update_by_mnemonic(state, 0x9000019C, 0, 3, ts_drive_strength);
+	stat |= update_by_mnemonic(state, 0x9000019C, 4, 3, ts_drive_strength);
+	stat |= update_by_mnemonic(state, 0x9000019C, 8, 3, ts_drive_strength);
+	stat |= update_by_mnemonic(state, 0x9000019C, 24, 3, ts_drive_strength);
+	stat |= update_by_mnemonic(state, 0x9000019C, 28, 3, ts_drive_strength);
+	stat |= update_by_mnemonic(state, 0x900001A0, 0, 3, ts_drive_strength);
+	stat |= update_by_mnemonic(state, 0x900001A0, 4, 3, ts_drive_strength);
+	stat |= update_by_mnemonic(state, 0x900001A0, 20, 3, ts_drive_strength);
+	stat |= update_by_mnemonic(state, 0x900001A0, 24, 3, ts_drive_strength);
+	stat |= update_by_mnemonic(state, 0x900001A0, 28, 3, ts_drive_strength);
+
+	return stat;
+}
+
+static int enable_tuner(struct mxl *state, u32 tuner, u32 enable)
+{
+	int stat = 0;
+	struct MXL_HYDRA_TUNER_CMD ctrl_tuner_cmd;
+	u8 cmd_size = sizeof(ctrl_tuner_cmd);
+	u8 cmd_buff[MXL_HYDRA_OEM_MAX_CMD_BUFF_LEN];
+	u32 val, count = 10;
+
+	ctrl_tuner_cmd.tuner_id = tuner;
+	ctrl_tuner_cmd.enable = enable;
+	BUILD_HYDRA_CMD(MXL_HYDRA_TUNER_ACTIVATE_CMD, MXL_CMD_WRITE,
+			cmd_size, &ctrl_tuner_cmd, cmd_buff);
+	stat = send_command(state, cmd_size + MXL_HYDRA_CMD_HEADER_SIZE,
+			    &cmd_buff[0]);
+	if (stat)
+		return stat;
+	read_register(state, HYDRA_TUNER_ENABLE_COMPLETE, &val);
+	while (--count && ((val >> tuner) & 1) != enable) {
+		msleep(20);
+		read_register(state, HYDRA_TUNER_ENABLE_COMPLETE, &val);
+	}
+	if (!count)
+		return -1;
+	read_register(state, HYDRA_TUNER_ENABLE_COMPLETE, &val);
+	dev_dbg(state->i2cdev, "tuner %u ready = %u\n",
+		tuner, (val >> tuner) & 1);
+
+	return 0;
+}
+
+
+static int config_ts(struct mxl *state, enum MXL_HYDRA_DEMOD_ID_E demod_id,
+		     struct MXL_HYDRA_MPEGOUT_PARAM_T *mpeg_out_param_ptr)
+{
+	int status = 0;
+	u32 nco_count_min = 0;
+	u32 clk_type = 0;
+
+	struct MXL_REG_FIELD_T xpt_sync_polarity[MXL_HYDRA_DEMOD_MAX] = {
+		{0x90700010, 8, 1}, {0x90700010, 9, 1},
+		{0x90700010, 10, 1}, {0x90700010, 11, 1},
+		{0x90700010, 12, 1}, {0x90700010, 13, 1},
+		{0x90700010, 14, 1}, {0x90700010, 15, 1} };
+	struct MXL_REG_FIELD_T xpt_clock_polarity[MXL_HYDRA_DEMOD_MAX] = {
+		{0x90700010, 16, 1}, {0x90700010, 17, 1},
+		{0x90700010, 18, 1}, {0x90700010, 19, 1},
+		{0x90700010, 20, 1}, {0x90700010, 21, 1},
+		{0x90700010, 22, 1}, {0x90700010, 23, 1} };
+	struct MXL_REG_FIELD_T xpt_valid_polarity[MXL_HYDRA_DEMOD_MAX] = {
+		{0x90700014, 0, 1}, {0x90700014, 1, 1},
+		{0x90700014, 2, 1}, {0x90700014, 3, 1},
+		{0x90700014, 4, 1}, {0x90700014, 5, 1},
+		{0x90700014, 6, 1}, {0x90700014, 7, 1} };
+	struct MXL_REG_FIELD_T xpt_ts_clock_phase[MXL_HYDRA_DEMOD_MAX] = {
+		{0x90700018, 0, 3}, {0x90700018, 4, 3},
+		{0x90700018, 8, 3}, {0x90700018, 12, 3},
+		{0x90700018, 16, 3}, {0x90700018, 20, 3},
+		{0x90700018, 24, 3}, {0x90700018, 28, 3} };
+	struct MXL_REG_FIELD_T xpt_lsb_first[MXL_HYDRA_DEMOD_MAX] = {
+		{0x9070000C, 16, 1}, {0x9070000C, 17, 1},
+		{0x9070000C, 18, 1}, {0x9070000C, 19, 1},
+		{0x9070000C, 20, 1}, {0x9070000C, 21, 1},
+		{0x9070000C, 22, 1}, {0x9070000C, 23, 1} };
+	struct MXL_REG_FIELD_T xpt_sync_byte[MXL_HYDRA_DEMOD_MAX] = {
+		{0x90700010, 0, 1}, {0x90700010, 1, 1},
+		{0x90700010, 2, 1}, {0x90700010, 3, 1},
+		{0x90700010, 4, 1}, {0x90700010, 5, 1},
+		{0x90700010, 6, 1}, {0x90700010, 7, 1} };
+	struct MXL_REG_FIELD_T xpt_enable_output[MXL_HYDRA_DEMOD_MAX] = {
+		{0x9070000C, 0, 1}, {0x9070000C, 1, 1},
+		{0x9070000C, 2, 1}, {0x9070000C, 3, 1},
+		{0x9070000C, 4, 1}, {0x9070000C, 5, 1},
+		{0x9070000C, 6, 1}, {0x9070000C, 7, 1} };
+	struct MXL_REG_FIELD_T xpt_err_replace_sync[MXL_HYDRA_DEMOD_MAX] = {
+		{0x9070000C, 24, 1}, {0x9070000C, 25, 1},
+		{0x9070000C, 26, 1}, {0x9070000C, 27, 1},
+		{0x9070000C, 28, 1}, {0x9070000C, 29, 1},
+		{0x9070000C, 30, 1}, {0x9070000C, 31, 1} };
+	struct MXL_REG_FIELD_T xpt_err_replace_valid[MXL_HYDRA_DEMOD_MAX] = {
+		{0x90700014, 8, 1}, {0x90700014, 9, 1},
+		{0x90700014, 10, 1}, {0x90700014, 11, 1},
+		{0x90700014, 12, 1}, {0x90700014, 13, 1},
+		{0x90700014, 14, 1}, {0x90700014, 15, 1} };
+	struct MXL_REG_FIELD_T xpt_continuous_clock[MXL_HYDRA_DEMOD_MAX] = {
+		{0x907001D4, 0, 1}, {0x907001D4, 1, 1},
+		{0x907001D4, 2, 1}, {0x907001D4, 3, 1},
+		{0x907001D4, 4, 1}, {0x907001D4, 5, 1},
+		{0x907001D4, 6, 1}, {0x907001D4, 7, 1} };
+	struct MXL_REG_FIELD_T xpt_nco_clock_rate[MXL_HYDRA_DEMOD_MAX] = {
+		{0x90700044, 16, 80}, {0x90700044, 16, 81},
+		{0x90700044, 16, 82}, {0x90700044, 16, 83},
+		{0x90700044, 16, 84}, {0x90700044, 16, 85},
+		{0x90700044, 16, 86}, {0x90700044, 16, 87} };
+
+	demod_id = state->base->ts_map[demod_id];
+
+	if (mpeg_out_param_ptr->enable == MXL_ENABLE) {
+		if (mpeg_out_param_ptr->mpeg_mode ==
+		    MXL_HYDRA_MPEG_MODE_PARALLEL) {
+		} else {
+			cfg_ts_pad_mux(state, MXL_TRUE);
+			update_by_mnemonic(state,
+				0x90700010, 27, 1, MXL_FALSE);
+		}
+	}
+
+	nco_count_min =
+		(u32)(MXL_HYDRA_NCO_CLK / mpeg_out_param_ptr->max_mpeg_clk_rate);
+
+	if (state->base->chipversion >= 2) {
+		status |= update_by_mnemonic(state,
+			xpt_nco_clock_rate[demod_id].reg_addr, /* Reg Addr */
+			xpt_nco_clock_rate[demod_id].lsb_pos, /* LSB pos */
+			xpt_nco_clock_rate[demod_id].num_of_bits, /* Num of bits */
+			nco_count_min); /* Data */
+	} else
+		update_by_mnemonic(state, 0x90700044, 16, 8, nco_count_min);
+
+	if (mpeg_out_param_ptr->mpeg_clk_type == MXL_HYDRA_MPEG_CLK_CONTINUOUS)
+		clk_type = 1;
+
+	if (mpeg_out_param_ptr->mpeg_mode < MXL_HYDRA_MPEG_MODE_PARALLEL) {
+		status |= update_by_mnemonic(state,
+			xpt_continuous_clock[demod_id].reg_addr,
+			xpt_continuous_clock[demod_id].lsb_pos,
+			xpt_continuous_clock[demod_id].num_of_bits,
+			clk_type);
+	} else
+		update_by_mnemonic(state, 0x907001D4, 8, 1, clk_type);
+
+	status |= update_by_mnemonic(state,
+		xpt_sync_polarity[demod_id].reg_addr,
+		xpt_sync_polarity[demod_id].lsb_pos,
+		xpt_sync_polarity[demod_id].num_of_bits,
+		mpeg_out_param_ptr->mpeg_sync_pol);
+
+	status |= update_by_mnemonic(state,
+		xpt_valid_polarity[demod_id].reg_addr,
+		xpt_valid_polarity[demod_id].lsb_pos,
+		xpt_valid_polarity[demod_id].num_of_bits,
+		mpeg_out_param_ptr->mpeg_valid_pol);
+
+	status |= update_by_mnemonic(state,
+		xpt_clock_polarity[demod_id].reg_addr,
+		xpt_clock_polarity[demod_id].lsb_pos,
+		xpt_clock_polarity[demod_id].num_of_bits,
+		mpeg_out_param_ptr->mpeg_clk_pol);
+
+	status |= update_by_mnemonic(state,
+		xpt_sync_byte[demod_id].reg_addr,
+		xpt_sync_byte[demod_id].lsb_pos,
+		xpt_sync_byte[demod_id].num_of_bits,
+		mpeg_out_param_ptr->mpeg_sync_pulse_width);
+
+	status |= update_by_mnemonic(state,
+		xpt_ts_clock_phase[demod_id].reg_addr,
+		xpt_ts_clock_phase[demod_id].lsb_pos,
+		xpt_ts_clock_phase[demod_id].num_of_bits,
+		mpeg_out_param_ptr->mpeg_clk_phase);
+
+	status |= update_by_mnemonic(state,
+		xpt_lsb_first[demod_id].reg_addr,
+		xpt_lsb_first[demod_id].lsb_pos,
+		xpt_lsb_first[demod_id].num_of_bits,
+		mpeg_out_param_ptr->lsb_or_msb_first);
+
+	switch (mpeg_out_param_ptr->mpeg_error_indication) {
+	case MXL_HYDRA_MPEG_ERR_REPLACE_SYNC:
+		status |= update_by_mnemonic(state,
+			xpt_err_replace_sync[demod_id].reg_addr,
+			xpt_err_replace_sync[demod_id].lsb_pos,
+			xpt_err_replace_sync[demod_id].num_of_bits,
+			MXL_TRUE);
+		status |= update_by_mnemonic(state,
+			xpt_err_replace_valid[demod_id].reg_addr,
+			xpt_err_replace_valid[demod_id].lsb_pos,
+			xpt_err_replace_valid[demod_id].num_of_bits,
+			MXL_FALSE);
+		break;
+
+	case MXL_HYDRA_MPEG_ERR_REPLACE_VALID:
+		status |= update_by_mnemonic(state,
+			xpt_err_replace_sync[demod_id].reg_addr,
+			xpt_err_replace_sync[demod_id].lsb_pos,
+			xpt_err_replace_sync[demod_id].num_of_bits,
+			MXL_FALSE);
+
+		status |= update_by_mnemonic(state,
+			xpt_err_replace_valid[demod_id].reg_addr,
+			xpt_err_replace_valid[demod_id].lsb_pos,
+			xpt_err_replace_valid[demod_id].num_of_bits,
+			MXL_TRUE);
+		break;
+
+	case MXL_HYDRA_MPEG_ERR_INDICATION_DISABLED:
+	default:
+		status |= update_by_mnemonic(state,
+			xpt_err_replace_sync[demod_id].reg_addr,
+			xpt_err_replace_sync[demod_id].lsb_pos,
+			xpt_err_replace_sync[demod_id].num_of_bits,
+			MXL_FALSE);
+
+		status |= update_by_mnemonic(state,
+			xpt_err_replace_valid[demod_id].reg_addr,
+			xpt_err_replace_valid[demod_id].lsb_pos,
+			xpt_err_replace_valid[demod_id].num_of_bits,
+			MXL_FALSE);
+
+		break;
+
+	}
+
+	if (mpeg_out_param_ptr->mpeg_mode != MXL_HYDRA_MPEG_MODE_PARALLEL) {
+		status |= update_by_mnemonic(state,
+			xpt_enable_output[demod_id].reg_addr,
+			xpt_enable_output[demod_id].lsb_pos,
+			xpt_enable_output[demod_id].num_of_bits,
+			mpeg_out_param_ptr->enable);
+	}
+	return status;
+}
+
+static int config_mux(struct mxl *state)
+{
+	update_by_mnemonic(state, 0x9070000C, 0, 1, 0);
+	update_by_mnemonic(state, 0x9070000C, 1, 1, 0);
+	update_by_mnemonic(state, 0x9070000C, 2, 1, 0);
+	update_by_mnemonic(state, 0x9070000C, 3, 1, 0);
+	update_by_mnemonic(state, 0x9070000C, 4, 1, 0);
+	update_by_mnemonic(state, 0x9070000C, 5, 1, 0);
+	update_by_mnemonic(state, 0x9070000C, 6, 1, 0);
+	update_by_mnemonic(state, 0x9070000C, 7, 1, 0);
+	update_by_mnemonic(state, 0x90700008, 0, 2, 1);
+	update_by_mnemonic(state, 0x90700008, 2, 2, 1);
+	return 0;
+}
+
+static int load_fw(struct mxl *state, struct mxl5xx_cfg *cfg)
+{
+	int stat = 0;
+	u8 *buf;
+
+	if (cfg->fw)
+		return firmware_download(state, cfg->fw, cfg->fw_len);
+
+	if (!cfg->fw_read)
+		return -1;
+
+	buf = vmalloc(0x40000);
+	if (!buf)
+		return -ENOMEM;
+
+	cfg->fw_read(cfg->fw_priv, buf, 0x40000);
+	stat = firmware_download(state, buf, 0x40000);
+	vfree(buf);
+
+	return stat;
+}
+
+static int validate_sku(struct mxl *state)
+{
+	u32 pad_mux_bond = 0, prcm_chip_id = 0, prcm_so_cid = 0;
+	int status;
+	u32 type = state->base->type;
+
+	status = read_by_mnemonic(state, 0x90000190, 0, 3, &pad_mux_bond);
+	status |= read_by_mnemonic(state, 0x80030000, 0, 12, &prcm_chip_id);
+	status |= read_by_mnemonic(state, 0x80030004, 24, 8, &prcm_so_cid);
+	if (status)
+		return -1;
+
+	dev_info(state->i2cdev, "padMuxBond=%08x, prcmChipId=%08x, prcmSoCId=%08x\n",
+		pad_mux_bond, prcm_chip_id, prcm_so_cid);
+
+	if (prcm_chip_id != 0x560) {
+		switch (pad_mux_bond) {
+		case MXL_HYDRA_SKU_ID_581:
+			if (type == MXL_HYDRA_DEVICE_581)
+				return 0;
+			if (type == MXL_HYDRA_DEVICE_581S) {
+				state->base->type = MXL_HYDRA_DEVICE_581;
+				return 0;
+			}
+			break;
+		case MXL_HYDRA_SKU_ID_584:
+			if (type == MXL_HYDRA_DEVICE_584)
+				return 0;
+			break;
+		case MXL_HYDRA_SKU_ID_544:
+			if (type == MXL_HYDRA_DEVICE_544)
+				return 0;
+			if (type == MXL_HYDRA_DEVICE_542)
+				return 0;
+			break;
+		case MXL_HYDRA_SKU_ID_582:
+			if (type == MXL_HYDRA_DEVICE_582)
+				return 0;
+			break;
+		default:
+			return -1;
+		}
+	} else {
+
+	}
+	return -1;
+}
+
+static int get_fwinfo(struct mxl *state)
+{
+	int status;
+	u32 val = 0;
+
+	status = read_by_mnemonic(state, 0x90000190, 0, 3, &val);
+	if (status)
+		return status;
+	dev_info(state->i2cdev, "chipID=%08x\n", val);
+
+	status = read_by_mnemonic(state, 0x80030004, 8, 8, &val);
+	if (status)
+		return status;
+	dev_info(state->i2cdev, "chipVer=%08x\n", val);
+
+	status = read_register(state, HYDRA_FIRMWARE_VERSION, &val);
+	if (status)
+		return status;
+	dev_info(state->i2cdev, "FWVer=%08x\n", val);
+
+	state->base->fwversion = val;
+	return status;
+}
+
+
+static u8 ts_map1_to_1[MXL_HYDRA_DEMOD_MAX] = {
+	MXL_HYDRA_DEMOD_ID_0,
+	MXL_HYDRA_DEMOD_ID_1,
+	MXL_HYDRA_DEMOD_ID_2,
+	MXL_HYDRA_DEMOD_ID_3,
+	MXL_HYDRA_DEMOD_ID_4,
+	MXL_HYDRA_DEMOD_ID_5,
+	MXL_HYDRA_DEMOD_ID_6,
+	MXL_HYDRA_DEMOD_ID_7,
+};
+
+static u8 ts_map54x[MXL_HYDRA_DEMOD_MAX] = {
+	MXL_HYDRA_DEMOD_ID_2,
+	MXL_HYDRA_DEMOD_ID_3,
+	MXL_HYDRA_DEMOD_ID_4,
+	MXL_HYDRA_DEMOD_ID_5,
+	MXL_HYDRA_DEMOD_MAX,
+	MXL_HYDRA_DEMOD_MAX,
+	MXL_HYDRA_DEMOD_MAX,
+	MXL_HYDRA_DEMOD_MAX,
+};
+
+static int probe(struct mxl *state, struct mxl5xx_cfg *cfg)
+{
+	u32 chipver;
+	int fw, status, j;
+	struct MXL_HYDRA_MPEGOUT_PARAM_T mpeg_interface_cfg;
+
+	state->base->ts_map = ts_map1_to_1;
+
+	switch (state->base->type) {
+	case MXL_HYDRA_DEVICE_581:
+	case MXL_HYDRA_DEVICE_581S:
+		state->base->can_clkout = 1;
+		state->base->demod_num = 8;
+		state->base->tuner_num = 1;
+		state->base->sku_type = MXL_HYDRA_SKU_TYPE_581;
+		break;
+	case MXL_HYDRA_DEVICE_582:
+		state->base->can_clkout = 1;
+		state->base->demod_num = 8;
+		state->base->tuner_num = 3;
+		state->base->sku_type = MXL_HYDRA_SKU_TYPE_582;
+		break;
+	case MXL_HYDRA_DEVICE_585:
+		state->base->can_clkout = 0;
+		state->base->demod_num = 8;
+		state->base->tuner_num = 4;
+		state->base->sku_type = MXL_HYDRA_SKU_TYPE_585;
+		break;
+	case MXL_HYDRA_DEVICE_544:
+		state->base->can_clkout = 0;
+		state->base->demod_num = 4;
+		state->base->tuner_num = 4;
+		state->base->sku_type = MXL_HYDRA_SKU_TYPE_544;
+		state->base->ts_map = ts_map54x;
+		break;
+	case MXL_HYDRA_DEVICE_541:
+	case MXL_HYDRA_DEVICE_541S:
+		state->base->can_clkout = 0;
+		state->base->demod_num = 4;
+		state->base->tuner_num = 1;
+		state->base->sku_type = MXL_HYDRA_SKU_TYPE_541;
+		state->base->ts_map = ts_map54x;
+		break;
+	case MXL_HYDRA_DEVICE_561:
+	case MXL_HYDRA_DEVICE_561S:
+		state->base->can_clkout = 0;
+		state->base->demod_num = 6;
+		state->base->tuner_num = 1;
+		state->base->sku_type = MXL_HYDRA_SKU_TYPE_561;
+		break;
+	case MXL_HYDRA_DEVICE_568:
+		state->base->can_clkout = 0;
+		state->base->demod_num = 8;
+		state->base->tuner_num = 1;
+		state->base->chan_bond = 1;
+		state->base->sku_type = MXL_HYDRA_SKU_TYPE_568;
+		break;
+	case MXL_HYDRA_DEVICE_542:
+		state->base->can_clkout = 1;
+		state->base->demod_num = 4;
+		state->base->tuner_num = 3;
+		state->base->sku_type = MXL_HYDRA_SKU_TYPE_542;
+		state->base->ts_map = ts_map54x;
+		break;
+	case MXL_HYDRA_DEVICE_TEST:
+	case MXL_HYDRA_DEVICE_584:
+	default:
+		state->base->can_clkout = 0;
+		state->base->demod_num = 8;
+		state->base->tuner_num = 4;
+		state->base->sku_type = MXL_HYDRA_SKU_TYPE_584;
+		break;
+	}
+
+	status = validate_sku(state);
+	if (status)
+		return status;
+
+	update_by_mnemonic(state, 0x80030014, 9, 1, 1);
+	update_by_mnemonic(state, 0x8003003C, 12, 1, 1);
+	status = read_by_mnemonic(state, 0x80030000, 12, 4, &chipver);
+	if (status)
+		state->base->chipversion = 0;
+	else
+		state->base->chipversion = (chipver == 2) ? 2 : 1;
+	dev_info(state->i2cdev, "Hydra chip version %u\n",
+		state->base->chipversion);
+
+	cfg_dev_xtal(state, cfg->clk, cfg->cap, 0);
+
+	fw = firmware_is_alive(state);
+	if (!fw) {
+		status = load_fw(state, cfg);
+		if (status)
+			return status;
+	}
+	get_fwinfo(state);
+
+	config_mux(state);
+	mpeg_interface_cfg.enable = MXL_ENABLE;
+	mpeg_interface_cfg.lsb_or_msb_first = MXL_HYDRA_MPEG_SERIAL_MSB_1ST;
+	/*  supports only (0-104&139)MHz */
+	if (cfg->ts_clk)
+		mpeg_interface_cfg.max_mpeg_clk_rate = cfg->ts_clk;
+	else
+		mpeg_interface_cfg.max_mpeg_clk_rate = 69; /* 139; */
+	mpeg_interface_cfg.mpeg_clk_phase = MXL_HYDRA_MPEG_CLK_PHASE_SHIFT_0_DEG;
+	mpeg_interface_cfg.mpeg_clk_pol = MXL_HYDRA_MPEG_CLK_IN_PHASE;
+	/* MXL_HYDRA_MPEG_CLK_GAPPED; */
+	mpeg_interface_cfg.mpeg_clk_type = MXL_HYDRA_MPEG_CLK_CONTINUOUS;
+	mpeg_interface_cfg.mpeg_error_indication =
+		MXL_HYDRA_MPEG_ERR_INDICATION_DISABLED;
+	mpeg_interface_cfg.mpeg_mode = MXL_HYDRA_MPEG_MODE_SERIAL_3_WIRE;
+	mpeg_interface_cfg.mpeg_sync_pol  = MXL_HYDRA_MPEG_ACTIVE_HIGH;
+	mpeg_interface_cfg.mpeg_sync_pulse_width  = MXL_HYDRA_MPEG_SYNC_WIDTH_BIT;
+	mpeg_interface_cfg.mpeg_valid_pol  = MXL_HYDRA_MPEG_ACTIVE_HIGH;
+
+	for (j = 0; j < state->base->demod_num; j++) {
+		status = config_ts(state, (enum MXL_HYDRA_DEMOD_ID_E) j,
+				   &mpeg_interface_cfg);
+		if (status)
+			return status;
+	}
+	set_drive_strength(state, 1);
+	return 0;
+}
+
+struct dvb_frontend *mxl5xx_attach(struct i2c_adapter *i2c,
+	struct mxl5xx_cfg *cfg, u32 demod, u32 tuner,
+	int (**fn_set_input)(struct dvb_frontend *, int))
+{
+	struct mxl *state;
+	struct mxl_base *base;
+
+	state = kzalloc(sizeof(struct mxl), GFP_KERNEL);
+	if (!state)
+		return NULL;
+
+	state->demod = demod;
+	state->tuner = tuner;
+	state->tuner_in_use = 0xffffffff;
+	state->i2cdev = &i2c->dev;
+
+	base = match_base(i2c, cfg->adr);
+	if (base) {
+		base->count++;
+		if (base->count > base->demod_num)
+			goto fail;
+		state->base = base;
+	} else {
+		base = kzalloc(sizeof(struct mxl_base), GFP_KERNEL);
+		if (!base)
+			goto fail;
+		base->i2c = i2c;
+		base->adr = cfg->adr;
+		base->type = cfg->type;
+		base->count = 1;
+		mutex_init(&base->i2c_lock);
+		mutex_init(&base->status_lock);
+		mutex_init(&base->tune_lock);
+		INIT_LIST_HEAD(&base->mxls);
+
+		state->base = base;
+		if (probe(state, cfg) < 0) {
+			kfree(base);
+			goto fail;
+		}
+		list_add(&base->mxllist, &mxllist);
+	}
+	state->fe.ops               = mxl_ops;
+	state->xbar[0]              = 4;
+	state->xbar[1]              = demod;
+	state->xbar[2]              = 8;
+	state->fe.demodulator_priv  = state;
+	*fn_set_input               = set_input;
+
+	list_add(&state->mxl, &base->mxls);
+	return &state->fe;
+
+fail:
+	kfree(state);
+	return NULL;
+}
+EXPORT_SYMBOL_GPL(mxl5xx_attach);
+
+MODULE_DESCRIPTION("MaxLinear MxL5xx DVB-S/S2 tuner-demodulator driver");
+MODULE_AUTHOR("Ralph and Marcus Metzler, Metzler Brothers Systementwicklung GbR");
+MODULE_LICENSE("GPL v2");