root/include/sound/sdca_asoc.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * The MIPI SDCA specification is available for public downloads at
 * https://www.mipi.org/mipi-sdca-v1-0-download
 *
 * Copyright (C) 2025 Cirrus Logic, Inc. and
 *                    Cirrus Logic International Semiconductor Ltd.
 */

#ifndef __SDCA_ASOC_H__
#define __SDCA_ASOC_H__

struct device;
struct regmap;
struct sdca_function_data;
struct sdca_pde_delay;
struct snd_ctl_elem_value;
struct snd_kcontrol;
struct snd_kcontrol_new;
struct snd_pcm_hw_params;
struct snd_pcm_substream;
struct snd_soc_component_driver;
struct snd_soc_dai;
struct snd_soc_dai_driver;
struct snd_soc_dai_ops;
struct snd_soc_dapm_route;
struct snd_soc_dapm_widget;

/* convenient macro to handle the mono volume in 7.8 fixed format representation */
#define SDCA_SINGLE_Q78_TLV(xname, xreg, xmin, xmax, xstep, tlv_array) \
{ \
        .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
        .name = (xname), \
        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE, \
        .tlv.p = (tlv_array), \
        .info = snd_soc_info_volsw, \
        .get = sdca_asoc_q78_get_volsw, \
        .put = sdca_asoc_q78_put_volsw, \
        .private_value = (unsigned long)&(struct soc_mixer_control) { \
                .reg = (xreg), .rreg = (xreg), \
                .min = (xmin), .max = (xmax), \
                .shift = (xstep), .rshift = (xstep), \
                .sign_bit = 15 \
        } \
}

/* convenient macro for stereo volume in 7.8 fixed format with separate registers for L/R */
#define SDCA_DOUBLE_Q78_TLV(xname, xreg_l, xreg_r, xmin, xmax, xstep, tlv_array) \
{ \
        .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
        .name = (xname), \
        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE, \
        .tlv.p = (tlv_array), \
        .info = snd_soc_info_volsw, \
        .get = sdca_asoc_q78_get_volsw, \
        .put = sdca_asoc_q78_put_volsw, \
        .private_value = (unsigned long)&(struct soc_mixer_control) { \
                .reg = (xreg_l), .rreg = (xreg_r), \
                .min = (xmin), .max = (xmax), \
                .shift = (xstep), .rshift = (xstep), \
                .sign_bit = 15 \
        } \
}

int sdca_asoc_count_component(struct device *dev, struct sdca_function_data *function,
                              int *num_widgets, int *num_routes, int *num_controls,
                              int *num_dais);

int sdca_asoc_populate_dapm(struct device *dev, struct sdca_function_data *function,
                            struct snd_soc_dapm_widget *widgets,
                            struct snd_soc_dapm_route *routes);
int sdca_asoc_populate_controls(struct device *dev,
                                struct sdca_function_data *function,
                                struct snd_kcontrol_new *kctl);
int sdca_asoc_populate_dais(struct device *dev, struct sdca_function_data *function,
                            struct snd_soc_dai_driver *dais,
                            const struct snd_soc_dai_ops *ops);

int sdca_asoc_populate_component(struct device *dev,
                                 struct sdca_function_data *function,
                                 struct snd_soc_component_driver *component_drv,
                                 struct snd_soc_dai_driver **dai_drv, int *num_dai_drv,
                                 const struct snd_soc_dai_ops *ops);

int sdca_asoc_set_constraints(struct device *dev, struct regmap *regmap,
                              struct sdca_function_data *function,
                              struct snd_pcm_substream *substream,
                              struct snd_soc_dai *dai);
void sdca_asoc_free_constraints(struct snd_pcm_substream *substream,
                                struct snd_soc_dai *dai);
int sdca_asoc_get_port(struct device *dev, struct regmap *regmap,
                       struct sdca_function_data *function,
                       struct snd_soc_dai *dai);
int sdca_asoc_hw_params(struct device *dev, struct regmap *regmap,
                        struct sdca_function_data *function,
                        struct snd_pcm_substream *substream,
                        struct snd_pcm_hw_params *params,
                        struct snd_soc_dai *dai);
int sdca_asoc_q78_put_volsw(struct snd_kcontrol *kcontrol,
                            struct snd_ctl_elem_value *ucontrol);
int sdca_asoc_q78_get_volsw(struct snd_kcontrol *kcontrol,
                            struct snd_ctl_elem_value *ucontrol);
int sdca_asoc_pde_poll_actual_ps(struct device *dev, struct regmap *regmap,
                                 int function_id, int entity_id,
                            int from_ps, int to_ps,
                            const struct sdca_pde_delay *pde_delays,
                            int num_delays);
#endif // __SDCA_ASOC_H__