162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0+ */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Digital Beep Input Interface for HD-audio codec 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Author: Matt Ranostay <matt.ranostay@konsulko.com> 662306a36Sopenharmony_ci * Copyright (c) 2008 Embedded Alley Solutions Inc 762306a36Sopenharmony_ci */ 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci#ifndef __SOUND_HDA_BEEP_H 1062306a36Sopenharmony_ci#define __SOUND_HDA_BEEP_H 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci#include <sound/hda_codec.h> 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci#define HDA_BEEP_MODE_OFF 0 1562306a36Sopenharmony_ci#define HDA_BEEP_MODE_ON 1 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci/* beep information */ 1862306a36Sopenharmony_cistruct hda_beep { 1962306a36Sopenharmony_ci struct input_dev *dev; 2062306a36Sopenharmony_ci struct hda_codec *codec; 2162306a36Sopenharmony_ci char phys[32]; 2262306a36Sopenharmony_ci int tone; 2362306a36Sopenharmony_ci hda_nid_t nid; 2462306a36Sopenharmony_ci unsigned int registered:1; 2562306a36Sopenharmony_ci unsigned int enabled:1; 2662306a36Sopenharmony_ci unsigned int linear_tone:1; /* linear tone for IDT/STAC codec */ 2762306a36Sopenharmony_ci unsigned int playing:1; 2862306a36Sopenharmony_ci unsigned int keep_power_at_enable:1; /* set by driver */ 2962306a36Sopenharmony_ci struct work_struct beep_work; /* scheduled task for beep event */ 3062306a36Sopenharmony_ci struct mutex mutex; 3162306a36Sopenharmony_ci void (*power_hook)(struct hda_beep *beep, bool on); 3262306a36Sopenharmony_ci}; 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_ci#ifdef CONFIG_SND_HDA_INPUT_BEEP 3562306a36Sopenharmony_ciint snd_hda_enable_beep_device(struct hda_codec *codec, int enable); 3662306a36Sopenharmony_ciint snd_hda_attach_beep_device(struct hda_codec *codec, int nid); 3762306a36Sopenharmony_civoid snd_hda_detach_beep_device(struct hda_codec *codec); 3862306a36Sopenharmony_ci#else 3962306a36Sopenharmony_cistatic inline int snd_hda_attach_beep_device(struct hda_codec *codec, int nid) 4062306a36Sopenharmony_ci{ 4162306a36Sopenharmony_ci return 0; 4262306a36Sopenharmony_ci} 4362306a36Sopenharmony_cistatic inline void snd_hda_detach_beep_device(struct hda_codec *codec) 4462306a36Sopenharmony_ci{ 4562306a36Sopenharmony_ci} 4662306a36Sopenharmony_ci#endif 4762306a36Sopenharmony_ci#endif 48