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/* 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 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);
#endif // __SDCA_ASOC_H__
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