/*
 * madera.h - Cirrus Logic Madera class codecs common support
 *
 * Copyright 2015-2016 Cirrus Logic
 *
 * 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.
 */

#ifndef _ASOC_MADERA_H
#define _ASOC_MADERA_H

#include <linux/completion.h>

#include <sound/soc.h>
#include <sound/madera-pdata.h>

#include "wm_adsp.h"

#define MADERA_FLL1_REFCLK		1
#define MADERA_FLL2_REFCLK		2
#define MADERA_FLL3_REFCLK		3
#define MADERA_FLLAO_REFCLK		4
#define MADERA_FLL1_SYNCCLK		5
#define MADERA_FLL2_SYNCCLK		6
#define MADERA_FLL3_SYNCCLK		7
#define MADERA_FLLAO_SYNCCLK		8

#define MADERA_FLL_SRC_NONE		-1
#define MADERA_FLL_SRC_MCLK1		0
#define MADERA_FLL_SRC_MCLK2		1
#define MADERA_FLL_SRC_SLIMCLK		3
#define MADERA_FLL_SRC_FLL1		4
#define MADERA_FLL_SRC_FLL2		5
#define MADERA_FLL_SRC_AIF1BCLK		8
#define MADERA_FLL_SRC_AIF2BCLK		9
#define MADERA_FLL_SRC_AIF3BCLK		10
#define MADERA_FLL_SRC_AIF4BCLK		11
#define MADERA_FLL_SRC_AIF1LRCLK	12
#define MADERA_FLL_SRC_AIF2LRCLK	13
#define MADERA_FLL_SRC_AIF3LRCLK	14
#define MADERA_FLL_SRC_AIF4LRCLK	15

#define MADERA_CLK_SYSCLK		1
#define MADERA_CLK_ASYNCCLK		2
#define MADERA_CLK_OPCLK		3
#define MADERA_CLK_ASYNC_OPCLK		4
#define MADERA_CLK_SYSCLK_2		5
#define MADERA_CLK_SYSCLK_3		6
#define MADERA_CLK_ASYNCCLK_2		7
#define MADERA_CLK_DSPCLK		8

#define MADERA_CLK_SRC_MCLK1		0x0
#define MADERA_CLK_SRC_MCLK2		0x1
#define MADERA_CLK_SRC_FLL1		0x4
#define MADERA_CLK_SRC_FLL2		0x5
#define MADERA_CLK_SRC_FLL3		0x6
#define MADERA_CLK_SRC_FLLAO_HI		0x7
#define MADERA_CLK_SRC_FLL1_DIV6	0x7
#define MADERA_CLK_SRC_AIF1BCLK		0x8
#define MADERA_CLK_SRC_AIF2BCLK		0x9
#define MADERA_CLK_SRC_AIF3BCLK		0xA
#define MADERA_CLK_SRC_AIF4BCLK		0xB
#define MADERA_CLK_SRC_FLLAO		0xF

#define MADERA_MIXER_VOL_MASK		0x00FE
#define MADERA_MIXER_VOL_SHIFT		     1
#define MADERA_MIXER_VOL_WIDTH		     7

#define MADERA_CLK_6MHZ			0
#define MADERA_CLK_12MHZ		1
#define MADERA_CLK_24MHZ 		2
#define MADERA_CLK_49MHZ		3
#define MADERA_CLK_98MHZ		4

#define MADERA_DSP_CLK_9MHZ		0
#define MADERA_DSP_CLK_18MHZ		1
#define MADERA_DSP_CLK_36MHZ		2
#define MADERA_DSP_CLK_73MHZ		3
#define MADERA_DSP_CLK_147MHZ		4

#define MADERA_MAX_DAI			11
#define MADERA_MAX_ADSP			7

#define MADERA_MAX_AIF_SOURCES		32
#define MADERA_MAX_MIXER_SOURCES	48

#define MADERA_NUM_MIXER_INPUTS		146

#define MADERA_FRF_COEFFICIENT_LEN	4

struct madera;
struct wm_adsp;
struct madera_jd_state;

struct madera_voice_trigger_info {
	/** Which core triggered, 1-based (1 = DSP1, ...) */
	int core_num;
};

struct madera_dai_priv {
	int clk;
	struct snd_pcm_hw_constraint_list constraint;
};

struct madera_priv {
	struct wm_adsp adsp[MADERA_MAX_ADSP];
	struct madera *madera;
	int sysclk;
	int asyncclk;
	int dspclk;
	struct madera_dai_priv dai[MADERA_MAX_DAI];

	int num_inputs;

	unsigned int in_pending;

	unsigned int out_up_pending;
	unsigned int out_up_delay;
	unsigned int out_down_pending;
	unsigned int out_down_delay;

	unsigned int adsp_rate_cache[MADERA_MAX_ADSP];
	struct mutex adsp_rate_lock;

	struct mutex rate_lock;
	struct mutex adsp_fw_lock;

	int tdm_width[MADERA_MAX_AIF];
	int tdm_slots[MADERA_MAX_AIF];

	unsigned int aif_sources_cache[MADERA_MAX_AIF_SOURCES];
	unsigned int mixer_sources_cache[MADERA_MAX_MIXER_SOURCES];

	int (*get_sources)(unsigned int reg, const unsigned int **cur_sources,
			   int *lim);
};

struct madera_fll_cfg {
	int n;
	int theta;
	int lambda;
	int refdiv;
	int fratio;
	int gain;
	int alt_gain;
};

struct madera_fll {
	struct madera *madera;
	int id;
	unsigned int base;
	struct completion ok;

	unsigned int fout;

	int sync_src;
	unsigned int sync_freq;

	int ref_src;
	unsigned int ref_freq;
	struct madera_fll_cfg ref_cfg;
};

struct madera_enum {
	struct soc_enum mixer_enum;
	int val;
};

extern const unsigned int madera_ana_tlv[];
extern const unsigned int madera_eq_tlv[];
extern const unsigned int madera_digital_tlv[];
extern const unsigned int madera_noise_tlv[];
extern const unsigned int madera_ng_tlv[];

extern const unsigned int madera_mixer_tlv[];
extern const char * const madera_mixer_texts[MADERA_NUM_MIXER_INPUTS];
extern unsigned int madera_mixer_values[MADERA_NUM_MIXER_INPUTS];

#define MADERA_GAINMUX_CONTROLS(name, base) \
	SOC_SINGLE_RANGE_TLV(name " Input Volume", base + 1,		\
			     MADERA_MIXER_VOL_SHIFT, 0x20, 0x50, 0,	\
			     madera_mixer_tlv)

#define MADERA_MIXER_CONTROLS(name, base) \
	SOC_SINGLE_RANGE_TLV(name " Input 1 Volume", base + 1,		\
			     MADERA_MIXER_VOL_SHIFT, 0x20, 0x50, 0,	\
			     madera_mixer_tlv),			\
	SOC_SINGLE_RANGE_TLV(name " Input 2 Volume", base + 3,		\
			     MADERA_MIXER_VOL_SHIFT, 0x20, 0x50, 0,	\
			     madera_mixer_tlv),			\
	SOC_SINGLE_RANGE_TLV(name " Input 3 Volume", base + 5,		\
			     MADERA_MIXER_VOL_SHIFT, 0x20, 0x50, 0,	\
			     madera_mixer_tlv),			\
	SOC_SINGLE_RANGE_TLV(name " Input 4 Volume", base + 7,		\
			     MADERA_MIXER_VOL_SHIFT, 0x20, 0x50, 0,	\
			     madera_mixer_tlv)

#define MADERA_ENUM_DECL(name, xreg, xshift, xmask, xtexts, xvalues)	\
	struct madera_enum name = { .mixer_enum.reg = xreg,	\
	.mixer_enum.shift_l = xshift, .mixer_enum.shift_r = xshift,	\
	.mixer_enum.mask = xmask, .mixer_enum.items = ARRAY_SIZE(xtexts), \
	.mixer_enum.texts = xtexts, .mixer_enum.values = xvalues, .val = 0 }


#define MADERA_MUX_ENUM_DECL(name, reg) \
	MADERA_ENUM_DECL(name, reg, 0, 0xff, \
			 madera_mixer_texts, madera_mixer_values)

#define MADERA_MUX_CTL_DECL(xname)					\
	const struct snd_kcontrol_new xname##_mux = {			\
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Route",	\
		.info = snd_soc_info_enum_double,			\
		.get = madera_mux_get,					\
		.put = madera_mux_put,			\
		.private_value = (unsigned long)&xname##_enum }

#define MADERA_MUX_ENUMS(name, base_reg) \
	static MADERA_MUX_ENUM_DECL(name##_enum, base_reg);	\
	static MADERA_MUX_CTL_DECL(name)

#define MADERA_MIXER_ENUMS(name, base_reg) \
	MADERA_MUX_ENUMS(name##_in1, base_reg);     \
	MADERA_MUX_ENUMS(name##_in2, base_reg + 2); \
	MADERA_MUX_ENUMS(name##_in3, base_reg + 4); \
	MADERA_MUX_ENUMS(name##_in4, base_reg + 6)

#define MADERA_DSP_AUX_ENUMS(name, base_reg) \
	MADERA_MUX_ENUMS(name##_aux1, base_reg);	\
	MADERA_MUX_ENUMS(name##_aux2, base_reg + 8);	\
	MADERA_MUX_ENUMS(name##_aux3, base_reg + 16);	\
	MADERA_MUX_ENUMS(name##_aux4, base_reg + 24);	\
	MADERA_MUX_ENUMS(name##_aux5, base_reg + 32);	\
	MADERA_MUX_ENUMS(name##_aux6, base_reg + 40)

#define MADERA_MUX(wname, wctrl)					\
{	.id = snd_soc_dapm_mux, .name = wname, .reg = SND_SOC_NOPM,	\
	.shift = 0, .kcontrol_news = wctrl,				\
	.num_kcontrols = 1, .event = madera_mux_ev,			\
	.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD |	\
			SND_SOC_DAPM_PRE_REG | SND_SOC_DAPM_POST_REG }

#define MADERA_MUX_WIDGETS(name, name_str) \
	MADERA_MUX(name_str " Input 1", &name##_mux)

#define MADERA_MIXER_WIDGETS(name, name_str)	\
	MADERA_MUX(name_str " Input 1", &name##_in1_mux), \
	MADERA_MUX(name_str " Input 2", &name##_in2_mux), \
	MADERA_MUX(name_str " Input 3", &name##_in3_mux), \
	MADERA_MUX(name_str " Input 4", &name##_in4_mux), \
	SND_SOC_DAPM_MIXER(name_str " Mixer", SND_SOC_NOPM, 0, 0, NULL, 0)

#define MADERA_DSP_WIDGETS(name, name_str)			\
	MADERA_MIXER_WIDGETS(name##L, name_str "L"),		\
	MADERA_MIXER_WIDGETS(name##R, name_str "R"),		\
	MADERA_MUX(name_str " Aux 1", &name##_aux1_mux),	\
	MADERA_MUX(name_str " Aux 2", &name##_aux2_mux),	\
	MADERA_MUX(name_str " Aux 3", &name##_aux3_mux),	\
	MADERA_MUX(name_str " Aux 4", &name##_aux4_mux),	\
	MADERA_MUX(name_str " Aux 5", &name##_aux5_mux),	\
	MADERA_MUX(name_str " Aux 6", &name##_aux6_mux)

#define MADERA_MUX_ROUTES(widget, name) \
	{ widget, NULL, name " Input 1" }, \
	MADERA_MIXER_INPUT_ROUTES(name " Input 1")

#define MADERA_MIXER_ROUTES(widget, name)		\
	{ widget, NULL, name " Mixer" },		\
	{ name " Mixer", NULL, name " Input 1" },	\
	{ name " Mixer", NULL, name " Input 2" },	\
	{ name " Mixer", NULL, name " Input 3" },	\
	{ name " Mixer", NULL, name " Input 4" },	\
	MADERA_MIXER_INPUT_ROUTES(name " Input 1"),	\
	MADERA_MIXER_INPUT_ROUTES(name " Input 2"),	\
	MADERA_MIXER_INPUT_ROUTES(name " Input 3"),	\
	MADERA_MIXER_INPUT_ROUTES(name " Input 4")

#define MADERA_DSP_ROUTES(name)				\
	{ name, NULL, name " Preloader"},		\
	{ name " Preloader", NULL, name " Aux 1" },	\
	{ name " Preloader", NULL, name " Aux 2" },	\
	{ name " Preloader", NULL, name " Aux 3" },	\
	{ name " Preloader", NULL, name " Aux 4" },	\
	{ name " Preloader", NULL, name " Aux 5" },	\
	{ name " Preloader", NULL, name " Aux 6" },	\
	MADERA_MIXER_INPUT_ROUTES(name " Aux 1"),	\
	MADERA_MIXER_INPUT_ROUTES(name " Aux 2"),	\
	MADERA_MIXER_INPUT_ROUTES(name " Aux 3"),	\
	MADERA_MIXER_INPUT_ROUTES(name " Aux 4"),	\
	MADERA_MIXER_INPUT_ROUTES(name " Aux 5"),	\
	MADERA_MIXER_INPUT_ROUTES(name " Aux 6"),	\
	MADERA_MIXER_ROUTES(name " Preloader", name "L"), \
	MADERA_MIXER_ROUTES(name " Preloader", name "R")

#define MADERA_SAMPLE_RATE_CONTROL(name, domain) \
	SOC_ENUM(name, madera_sample_rate[(domain) - 2])

#define MADERA_RATE_ENUM(xname, xenum) \
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
	.info = snd_soc_info_enum_double, \
	.get = snd_soc_get_enum_double, .put = madera_rate_put, \
	.private_value = (unsigned long)&xenum }

#define MADERA_EQ_CONTROL(xname, xbase)				\
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,	\
	.info = snd_soc_bytes_info, .get = snd_soc_bytes_get,	\
	.put = madera_eq_coeff_put, .private_value =		\
	((unsigned long)&(struct soc_bytes) { .base = xbase,	\
	 .num_regs = 20, .mask = ~MADERA_EQ1_B1_MODE }) }

#define MADERA_LHPF_CONTROL(xname, xbase)			\
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,	\
	.info = snd_soc_bytes_info, .get = snd_soc_bytes_get,	\
	.put = madera_lhpf_coeff_put, .private_value =		\
	((unsigned long)&(struct soc_bytes) { .base = xbase,	\
	 .num_regs = 1 }) }

#define MADERA_FRF_BYTES(xname, xbase, xregs)			\
{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,	\
	.info = snd_soc_bytes_info, .get = snd_soc_bytes_get,	\
	.put = madera_frf_bytes_put, .private_value =		\
	((unsigned long)&(struct soc_bytes) {.base = xbase,	\
	 .num_regs = xregs }) }

/* 2 mixer inputs with a stride of n in the register address */
#define MADERA_MIXER_INPUTS_2_N(_reg, n)	\
	(_reg),					\
	(_reg) + (1 * (n))

/* 4 mixer inputs with a stride of n in the register address */
#define MADERA_MIXER_INPUTS_4_N(_reg, n)		\
	MADERA_MIXER_INPUTS_2_N(_reg, n),		\
	MADERA_MIXER_INPUTS_2_N(_reg + (2 * n), n)

#define MADERA_DSP_MIXER_INPUTS(_reg) 		\
	MADERA_MIXER_INPUTS_4_N(_reg, 2),	\
	MADERA_MIXER_INPUTS_4_N(_reg + 8, 2),	\
	MADERA_MIXER_INPUTS_4_N(_reg + 16, 8),	\
	MADERA_MIXER_INPUTS_2_N(_reg + 48, 8)

#define MADERA_RATES SNDRV_PCM_RATE_KNOT

#define MADERA_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)

#define MADERA_OSR_ENUM_SIZE		5
#define MADERA_SYNC_RATE_ENUM_SIZE	3
#define MADERA_ASYNC_RATE_ENUM_SIZE	2
#define MADERA_RATE_ENUM_SIZE \
		(MADERA_SYNC_RATE_ENUM_SIZE + MADERA_ASYNC_RATE_ENUM_SIZE)
#define MADERA_SAMPLE_RATE_ENUM_SIZE	16
#define MADERA_DFC_TYPE_ENUM_SIZE	5
#define MADERA_DFC_WIDTH_ENUM_SIZE	5

extern const struct snd_kcontrol_new madera_inmux[];

extern const char * const madera_rate_text[MADERA_RATE_ENUM_SIZE];
extern const unsigned int madera_rate_val[MADERA_RATE_ENUM_SIZE];
extern const char * const madera_sample_rate_text[MADERA_SAMPLE_RATE_ENUM_SIZE];
extern const unsigned int madera_sample_rate_val[MADERA_SAMPLE_RATE_ENUM_SIZE];
extern const char * const madera_dfc_width_text[MADERA_DFC_WIDTH_ENUM_SIZE];
extern const unsigned int madera_dfc_width_val[MADERA_DFC_WIDTH_ENUM_SIZE];
extern const char * const madera_dfc_type_text[MADERA_DFC_TYPE_ENUM_SIZE];
extern const unsigned int madera_dfc_type_val[MADERA_DFC_TYPE_ENUM_SIZE];

extern const struct soc_enum madera_sample_rate[];
extern const struct soc_enum madera_isrc_fsl[];
extern const struct soc_enum madera_isrc_fsh[];
extern const struct soc_enum madera_asrc1_rate[];
extern const struct soc_enum madera_asrc2_rate[];
extern const struct soc_enum madera_output_rate;
extern const struct soc_enum madera_input_rate[];
extern const struct soc_enum madera_dfc_width[];
extern const struct soc_enum madera_dfc_type[];
extern const struct soc_enum madera_fx_rate;
extern const struct soc_enum madera_spdif_rate;

extern const struct soc_enum madera_in_vi_ramp;
extern const struct soc_enum madera_in_vd_ramp;

extern const struct soc_enum madera_out_vi_ramp;
extern const struct soc_enum madera_out_vd_ramp;

extern const struct soc_enum madera_lhpf1_mode;
extern const struct soc_enum madera_lhpf2_mode;
extern const struct soc_enum madera_lhpf3_mode;
extern const struct soc_enum madera_lhpf4_mode;

extern const struct soc_enum madera_ng_hold;
extern const struct soc_enum madera_in_hpf_cut_enum;
extern const struct soc_enum madera_in_dmic_osr[];

extern const struct soc_enum madera_output_anc_src[];
extern const struct soc_enum madera_anc_input_src[];
extern const struct soc_enum madera_anc_ng_enum;
extern const struct soc_enum madera_ip_mode[];

extern const struct snd_kcontrol_new madera_dsp_trigger_output_mux[];
extern const struct snd_kcontrol_new madera_drc_activity_output_mux[];

extern const struct snd_kcontrol_new madera_adsp_rate_controls[];

extern const char *madera_sample_rate_val_to_name(unsigned int rate_val);

extern int madera_ip_mode_put(struct snd_kcontrol *kcontrol,
			      struct snd_ctl_elem_value *ucontrol);

extern int madera_in_rate_put(struct snd_kcontrol *kcontrol,
			      struct snd_ctl_elem_value *ucontrol);

extern int madera_dfc_put(struct snd_kcontrol *kcontrol,
			  struct snd_ctl_elem_value *ucontrol);

extern int madera_lp_mode_put(struct snd_kcontrol *kcontrol,
			      struct snd_ctl_elem_value *ucontrol);

extern int madera_sysclk_ev(struct snd_soc_dapm_widget *w,
			    struct snd_kcontrol *kcontrol, int event);

extern int madera_in_ev(struct snd_soc_dapm_widget *w,
			 struct snd_kcontrol *kcontrol,
			 int event);
extern int madera_out_ev(struct snd_soc_dapm_widget *w,
			  struct snd_kcontrol *kcontrol,
			  int event);
extern int madera_hp_ev(struct snd_soc_dapm_widget *w,
			 struct snd_kcontrol *kcontrol,
			 int event);
extern int madera_anc_ev(struct snd_soc_dapm_widget *w,
			  struct snd_kcontrol *kcontrol,
			  int event);

extern int madera_mux_get(struct snd_kcontrol *kcontrol,
			  struct snd_ctl_elem_value *ucontrol);
extern int madera_mux_put(struct snd_kcontrol *kcontrol,
			  struct snd_ctl_elem_value *ucontrol);
extern int madera_mux_ev(struct snd_soc_dapm_widget *w,
			 struct snd_kcontrol *kcontrol, int event);

extern int madera_out1_demux_put(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol);

extern int madera_put_dre(struct snd_kcontrol *kcontrol,
			  struct snd_ctl_elem_value *ucontrol);

extern int madera_adsp_rate_info(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_info *uinfo);
extern int madera_adsp_rate_get(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol);
extern int madera_adsp_rate_put(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol);
extern int madera_set_adsp_clk(struct wm_adsp *dsp, unsigned int freq);

extern int madera_rate_put(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol);

extern int madera_frf_bytes_put(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol);

extern int madera_eq_coeff_put(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol);
extern int madera_lhpf_coeff_put(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol);

extern int madera_set_sysclk(struct snd_soc_codec *codec, int clk_id,
			     int source, unsigned int freq, int dir);
extern int madera_get_legacy_dspclk_setting(struct madera *madera,
					    unsigned int freq);

extern int madera_cache_and_clear_sources(struct madera_priv *priv,
					  const unsigned int *sources,
					  unsigned int *cache,
					  int lim);

extern int madera_restore_sources(struct madera_priv *priv,
				  const unsigned int *sources,
				  unsigned int *cache,
				  int lim);

extern void madera_spin_sysclk(struct madera_priv *priv);

extern const struct snd_soc_dai_ops madera_dai_ops;
extern const struct snd_soc_dai_ops madera_simple_dai_ops;

extern int madera_init_fll(struct madera *madera, int id, int base,
			   struct madera_fll *fll);
extern int madera_set_fll_refclk(struct madera_fll *fll, int source,
				 unsigned int Fref, unsigned int Fout);
extern int madera_set_fll_syncclk(struct madera_fll *fll, int source,
				  unsigned int Fref, unsigned int Fout);
extern int madera_set_fll_ao_refclk(struct madera_fll *fll, int source,
				    unsigned int fin, unsigned int fout);

extern int madera_core_init(struct madera_priv *priv);
extern int madera_core_destroy(struct madera_priv *priv);
extern int madera_init_spk(struct snd_soc_codec *codec, int n_channels);
extern int madera_free_spk(struct snd_soc_codec *codec);
extern int madera_init_drc(struct snd_soc_codec *codec);
extern int madera_init_inputs(struct snd_soc_codec *codec,
			      const char * const *dmic_inputs,
			      int n_dmic_inputs,
			      const char * const *dmic_refs,
			      int n_dmic_refs);
extern int madera_init_outputs(struct snd_soc_codec *codec);
extern int madera_init_bus_error_irq(struct snd_soc_codec *codec, int dsp_num,
				     irq_handler_t handler);
extern void madera_destroy_bus_error_irq(struct snd_soc_codec *codec,
					 int dsp_num);

extern int madera_init_dai(struct madera_priv *priv, int dai);

extern int madera_set_output_mode(struct snd_soc_codec *codec, int output,
				  bool diff);

/* Following functions are for use by machine drivers */
extern int madera_set_custom_jd(struct snd_soc_codec *codec,
				const struct madera_jd_state *custom_jd,
				unsigned int index);

extern int madera_enable_force_bypass(struct snd_soc_codec *codec);
extern int madera_disable_force_bypass(struct snd_soc_codec *codec);

extern int madera_register_notifier(struct snd_soc_codec *codec,
				    struct notifier_block *nb);
extern int madera_unregister_notifier(struct snd_soc_codec *codec,
				      struct notifier_block *nb);
#endif