08bc673260
Update zdet and xtalk to support high voltage microphones with improved accuracy. Change-Id: I4b0af5ade7f653de4a938162302ec21c4a09891f Signed-off-by: Sam Rainey <quic_rainey@quicinc.com>
86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
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* Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#ifndef __WCD939X_MBHC_H__
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#define __WCD939X_MBHC_H__
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#include <asoc/wcd-mbhc-v2.h>
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struct wcd939x_mbhc {
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struct wcd_mbhc wcd_mbhc;
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struct blocking_notifier_head notifier;
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struct fw_info *fw_data;
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struct timer_list rdown_timer;
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int rdown_prev_iter;
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bool rdown_timer_complete;
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};
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static inline u32 get_r_gnd_res_tot_mohms(u32 r_gnd_int_fet_mohms, u32 r_gnd_ext_fet_mohms,
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u32 r_gnd_par_tot_mohms)
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{
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return r_gnd_int_fet_mohms + r_gnd_ext_fet_mohms + r_gnd_par_tot_mohms;
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}
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static inline u32 get_r_aud_res_tot_mohms(u32 r_aud_int_fet_mohms, u32 r_aud_ext_fet_mohms,
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u32 r_load_eff_mohms)
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{
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return r_aud_int_fet_mohms + r_aud_ext_fet_mohms + r_load_eff_mohms;
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}
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#if IS_ENABLED(CONFIG_SND_SOC_WCD939X)
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extern int wcd939x_mbhc_init(struct wcd939x_mbhc **mbhc,
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struct snd_soc_component *component,
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struct fw_info *fw_data);
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extern void wcd939x_mbhc_hs_detect_exit(struct snd_soc_component *component);
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extern int wcd939x_mbhc_hs_detect(struct snd_soc_component *component,
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struct wcd_mbhc_config *mbhc_cfg);
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extern void wcd939x_mbhc_deinit(struct snd_soc_component *component);
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extern void wcd939x_mbhc_ssr_down(struct wcd939x_mbhc *mbhc,
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struct snd_soc_component *component);
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extern int wcd939x_mbhc_post_ssr_init(struct wcd939x_mbhc *mbhc,
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struct snd_soc_component *component);
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extern int wcd939x_mbhc_get_impedance(struct wcd939x_mbhc *wcd939x_mbhc,
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uint32_t *zl, uint32_t *zr);
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#else
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static inline int wcd939x_mbhc_init(struct wcd939x_mbhc **mbhc,
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struct snd_soc_component *component,
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struct fw_info *fw_data)
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{
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return 0;
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}
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static inline void wcd939x_mbhc_hs_detect_exit(
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struct snd_soc_component *component)
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{
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}
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static inline int wcd939x_mbhc_hs_detect(struct snd_soc_component *component,
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struct wcd_mbhc_config *mbhc_cfg)
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{
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return 0;
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}
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static inline void wcd939x_mbhc_deinit(struct snd_soc_component *component)
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{
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}
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static inline void wcd939x_mbhc_ssr_down(struct wcd939x_mbhc *mbhc,
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struct snd_soc_component *component)
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{
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}
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static inline int wcd939x_mbhc_post_ssr_init(struct wcd939x_mbhc *mbhc,
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struct snd_soc_component *component)
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{
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return 0;
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}
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static inline int wcd939x_mbhc_get_impedance(struct wcd939x_mbhc *wcd939x_mbhc,
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uint32_t *zl, uint32_t *zr)
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{
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if (zl)
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*zl = 0;
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if (zr)
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*zr = 0;
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return -EINVAL;
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}
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#endif
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#endif /* __WCD939X_MBHC_H__ */
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