| /* |
| * Copyright (c) 2015-2017, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| #ifndef __WCD934X_MBHC_H__ |
| #define __WCD934X_MBHC_H__ |
| #include "../wcd-mbhc-v2.h" |
| |
| enum wcd934x_on_demand_supply_name { |
| WCD934X_ON_DEMAND_MICBIAS = 0, |
| WCD934X_ON_DEMAND_SUPPLIES_MAX, |
| }; |
| |
| struct wcd934x_on_demand_supply { |
| struct regulator *supply; |
| int ondemand_supply_count; |
| }; |
| |
| struct wcd934x_mbhc { |
| struct wcd_mbhc wcd_mbhc; |
| struct blocking_notifier_head notifier; |
| struct wcd934x_on_demand_supply on_demand_list[ |
| WCD934X_ON_DEMAND_SUPPLIES_MAX]; |
| struct wcd9xxx *wcd9xxx; |
| struct fw_info *fw_data; |
| bool mbhc_started; |
| bool is_hph_recover; |
| }; |
| |
| #if IS_ENABLED(CONFIG_SND_SOC_WCD934X_MBHC) |
| extern int tavil_mbhc_init(struct wcd934x_mbhc **mbhc, |
| struct snd_soc_codec *codec, |
| struct fw_info *fw_data); |
| extern void tavil_mbhc_hs_detect_exit(struct snd_soc_codec *codec); |
| extern int tavil_mbhc_hs_detect(struct snd_soc_codec *codec, |
| struct wcd_mbhc_config *mbhc_cfg); |
| extern void tavil_mbhc_deinit(struct snd_soc_codec *codec); |
| extern int tavil_mbhc_post_ssr_init(struct wcd934x_mbhc *mbhc, |
| struct snd_soc_codec *codec); |
| extern int tavil_mbhc_get_impedance(struct wcd934x_mbhc *wcd934x_mbhc, |
| uint32_t *zl, uint32_t *zr); |
| #else |
| static inline int tavil_mbhc_init(struct wcd934x_mbhc **mbhc, |
| struct snd_soc_codec *codec, |
| struct fw_info *fw_data) |
| { |
| return 0; |
| } |
| static inline void tavil_mbhc_hs_detect_exit(struct snd_soc_codec *codec) |
| { |
| } |
| static inline int tavil_mbhc_hs_detect(struct snd_soc_codec *codec, |
| struct wcd_mbhc_config *mbhc_cfg) |
| { |
| return 0; |
| } |
| static inline void tavil_mbhc_deinit(struct snd_soc_codec *codec) |
| { |
| } |
| static inline int tavil_mbhc_post_ssr_init(struct wcd934x_mbhc *mbhc, |
| struct snd_soc_codec *codec) |
| { |
| return 0; |
| } |
| static inline int tavil_mbhc_get_impedance(struct wcd934x_mbhc *wcd934x_mbhc, |
| uint32_t *zl, uint32_t *zr) |
| { |
| if (zl) |
| *zl = 0; |
| if (zr) |
| *zr = 0; |
| return -EINVAL; |
| } |
| #endif |
| |
| #endif /* __WCD934X_MBHC_H__ */ |