/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved. * Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved. */ #ifndef __WCD939X_MBHC_H__ #define __WCD939X_MBHC_H__ #include struct wcd939x_mbhc { struct wcd_mbhc wcd_mbhc; struct blocking_notifier_head notifier; struct fw_info *fw_data; struct timer_list rdown_timer; int rdown_prev_iter; bool rdown_timer_complete; }; static inline u32 get_r_gnd_res_tot_mohms(u32 r_gnd_int_fet_mohms, u32 r_gnd_ext_fet_mohms, u32 r_gnd_par_tot_mohms) { return r_gnd_int_fet_mohms + r_gnd_ext_fet_mohms + r_gnd_par_tot_mohms; } static inline u32 get_r_aud_res_tot_mohms(u32 r_aud_int_fet_mohms, u32 r_aud_ext_fet_mohms, u32 r_load_eff_mohms) { return r_aud_int_fet_mohms + r_aud_ext_fet_mohms + r_load_eff_mohms; } #if IS_ENABLED(CONFIG_SND_SOC_WCD939X) extern int wcd939x_mbhc_init(struct wcd939x_mbhc **mbhc, struct snd_soc_component *component, struct fw_info *fw_data); extern void wcd939x_mbhc_hs_detect_exit(struct snd_soc_component *component); extern int wcd939x_mbhc_hs_detect(struct snd_soc_component *component, struct wcd_mbhc_config *mbhc_cfg); extern void wcd939x_mbhc_deinit(struct snd_soc_component *component); extern void wcd939x_mbhc_ssr_down(struct wcd939x_mbhc *mbhc, struct snd_soc_component *component); extern int wcd939x_mbhc_post_ssr_init(struct wcd939x_mbhc *mbhc, struct snd_soc_component *component); extern int wcd939x_mbhc_get_impedance(struct wcd939x_mbhc *wcd939x_mbhc, uint32_t *zl, uint32_t *zr); #else static inline int wcd939x_mbhc_init(struct wcd939x_mbhc **mbhc, struct snd_soc_component *component, struct fw_info *fw_data) { return 0; } static inline void wcd939x_mbhc_hs_detect_exit( struct snd_soc_component *component) { } static inline int wcd939x_mbhc_hs_detect(struct snd_soc_component *component, struct wcd_mbhc_config *mbhc_cfg) { return 0; } static inline void wcd939x_mbhc_deinit(struct snd_soc_component *component) { } static inline void wcd939x_mbhc_ssr_down(struct wcd939x_mbhc *mbhc, struct snd_soc_component *component) { } static inline int wcd939x_mbhc_post_ssr_init(struct wcd939x_mbhc *mbhc, struct snd_soc_component *component) { return 0; } static inline int wcd939x_mbhc_get_impedance(struct wcd939x_mbhc *wcd939x_mbhc, uint32_t *zl, uint32_t *zr) { if (zl) *zl = 0; if (zr) *zr = 0; return -EINVAL; } #endif #endif /* __WCD939X_MBHC_H__ */