/* 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__