1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0+ */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Digital Beep Input Interface for HD-audio codec 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Author: Matt Ranostay <matt.ranostay@konsulko.com> 6*4882a593Smuzhiyun * Copyright (c) 2008 Embedded Alley Solutions Inc 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #ifndef __SOUND_HDA_BEEP_H 10*4882a593Smuzhiyun #define __SOUND_HDA_BEEP_H 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #include <sound/hda_codec.h> 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #define HDA_BEEP_MODE_OFF 0 15*4882a593Smuzhiyun #define HDA_BEEP_MODE_ON 1 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun /* beep information */ 18*4882a593Smuzhiyun struct hda_beep { 19*4882a593Smuzhiyun struct input_dev *dev; 20*4882a593Smuzhiyun struct hda_codec *codec; 21*4882a593Smuzhiyun char phys[32]; 22*4882a593Smuzhiyun int tone; 23*4882a593Smuzhiyun hda_nid_t nid; 24*4882a593Smuzhiyun unsigned int registered:1; 25*4882a593Smuzhiyun unsigned int enabled:1; 26*4882a593Smuzhiyun unsigned int linear_tone:1; /* linear tone for IDT/STAC codec */ 27*4882a593Smuzhiyun unsigned int playing:1; 28*4882a593Smuzhiyun unsigned int keep_power_at_enable:1; /* set by driver */ 29*4882a593Smuzhiyun struct work_struct beep_work; /* scheduled task for beep event */ 30*4882a593Smuzhiyun struct mutex mutex; 31*4882a593Smuzhiyun void (*power_hook)(struct hda_beep *beep, bool on); 32*4882a593Smuzhiyun }; 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun #ifdef CONFIG_SND_HDA_INPUT_BEEP 35*4882a593Smuzhiyun int snd_hda_enable_beep_device(struct hda_codec *codec, int enable); 36*4882a593Smuzhiyun int snd_hda_attach_beep_device(struct hda_codec *codec, int nid); 37*4882a593Smuzhiyun void snd_hda_detach_beep_device(struct hda_codec *codec); 38*4882a593Smuzhiyun #else snd_hda_attach_beep_device(struct hda_codec * codec,int nid)39*4882a593Smuzhiyunstatic inline int snd_hda_attach_beep_device(struct hda_codec *codec, int nid) 40*4882a593Smuzhiyun { 41*4882a593Smuzhiyun return 0; 42*4882a593Smuzhiyun } snd_hda_detach_beep_device(struct hda_codec * codec)43*4882a593Smuzhiyunstatic inline void snd_hda_detach_beep_device(struct hda_codec *codec) 44*4882a593Smuzhiyun { 45*4882a593Smuzhiyun } 46*4882a593Smuzhiyun #endif 47*4882a593Smuzhiyun #endif 48