linux/drivers/media/tuners/mxl5007t.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  mxl5007t.c - driver for the MaxLinear MxL5007T silicon tuner
 *
 *  Copyright (C) 2008, 2009 Michael Krufky <[email protected]>
 */

#include <linux/i2c.h>
#include <linux/types.h>
#include <linux/videodev2.h>
#include "tuner-i2c.h"
#include "mxl5007t.h"

static DEFINE_MUTEX(mxl5007t_list_mutex);
static LIST_HEAD(hybrid_tuner_instance_list);

static int mxl5007t_debug;
module_param_named(debug, mxl5007t_debug, int, 0644);
MODULE_PARM_DESC(…) …;

/* ------------------------------------------------------------------------- */

#define mxl_printk(kern, fmt, arg...) …

#define mxl_err(fmt, arg...) …

#define mxl_warn(fmt, arg...) …

#define mxl_info(fmt, arg...) …

#define mxl_debug(fmt, arg...) …

#define mxl_fail(ret) …

/* ------------------------------------------------------------------------- */

enum mxl5007t_mode { … };

enum mxl5007t_chip_version { … };

struct reg_pair_t { … };

/* ------------------------------------------------------------------------- */

static struct reg_pair_t init_tab[] = …;

static struct reg_pair_t init_tab_cable[] = …;

/* ------------------------------------------------------------------------- */

static struct reg_pair_t reg_pair_rftune[] = …;

/* ------------------------------------------------------------------------- */

struct mxl5007t_state { … };

/* ------------------------------------------------------------------------- */

/* called by _init and _rftun to manipulate the register arrays */

static void set_reg_bits(struct reg_pair_t *reg_pair, u8 reg, u8 mask, u8 val)
{ … }

static void copy_reg_bits(struct reg_pair_t *reg_pair1,
			  struct reg_pair_t *reg_pair2)
{ … }

/* ------------------------------------------------------------------------- */

static void mxl5007t_set_mode_bits(struct mxl5007t_state *state,
				   enum mxl5007t_mode mode,
				   s32 if_diff_out_level)
{ … }

static void mxl5007t_set_if_freq_bits(struct mxl5007t_state *state,
				      enum mxl5007t_if_freq if_freq,
				      int invert_if)
{ … }

static void mxl5007t_set_xtal_freq_bits(struct mxl5007t_state *state,
					enum mxl5007t_xtal_freq xtal_freq)
{ … }

static struct reg_pair_t *mxl5007t_calc_init_regs(struct mxl5007t_state *state,
						  enum mxl5007t_mode mode)
{ … }

/* ------------------------------------------------------------------------- */

enum mxl5007t_bw_mhz { … };

static void mxl5007t_set_bw_bits(struct mxl5007t_state *state,
				 enum mxl5007t_bw_mhz bw)
{ … }

static struct
reg_pair_t *mxl5007t_calc_rf_tune_regs(struct mxl5007t_state *state,
				       u32 rf_freq, enum mxl5007t_bw_mhz bw)
{ … }

/* ------------------------------------------------------------------------- */

static int mxl5007t_write_reg(struct mxl5007t_state *state, u8 reg, u8 val)
{ … }

static int mxl5007t_write_regs(struct mxl5007t_state *state,
			       struct reg_pair_t *reg_pair)
{ … }

static int mxl5007t_read_reg(struct mxl5007t_state *state, u8 reg, u8 *val)
{ … }

static int mxl5007t_soft_reset(struct mxl5007t_state *state)
{ … }

static int mxl5007t_tuner_init(struct mxl5007t_state *state,
			       enum mxl5007t_mode mode)
{ … }

static int mxl5007t_tuner_rf_tune(struct mxl5007t_state *state, u32 rf_freq_hz,
				  enum mxl5007t_bw_mhz bw)
{ … }

/* ------------------------------------------------------------------------- */

static int mxl5007t_synth_lock_status(struct mxl5007t_state *state,
				      int *rf_locked, int *ref_locked)
{ … }

/* ------------------------------------------------------------------------- */

static int mxl5007t_get_status(struct dvb_frontend *fe, u32 *status)
{ … }

/* ------------------------------------------------------------------------- */

static int mxl5007t_set_params(struct dvb_frontend *fe)
{ … }

/* ------------------------------------------------------------------------- */

static int mxl5007t_init(struct dvb_frontend *fe)
{ … }

static int mxl5007t_sleep(struct dvb_frontend *fe)
{ … }

/* ------------------------------------------------------------------------- */

static int mxl5007t_get_frequency(struct dvb_frontend *fe, u32 *frequency)
{ … }

static int mxl5007t_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
{ … }

static int mxl5007t_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)
{ … }

static void mxl5007t_release(struct dvb_frontend *fe)
{ … }

/* ------------------------------------------------------------------------- */

static const struct dvb_tuner_ops mxl5007t_tuner_ops = …;

static int mxl5007t_get_chip_id(struct mxl5007t_state *state)
{ … }

struct dvb_frontend *mxl5007t_attach(struct dvb_frontend *fe,
				     struct i2c_adapter *i2c, u8 addr,
				     struct mxl5007t_config *cfg)
{ … }
EXPORT_SYMBOL_GPL(…);
MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;
MODULE_VERSION(…) …;