1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /** 3*4882a593Smuzhiyun * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * @File ctmixer.h 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * @Brief 8*4882a593Smuzhiyun * This file contains the definition of the mixer device functions. 9*4882a593Smuzhiyun * 10*4882a593Smuzhiyun * @Author Liu Chun 11*4882a593Smuzhiyun * @Date Mar 28 2008 12*4882a593Smuzhiyun */ 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #ifndef CTMIXER_H 15*4882a593Smuzhiyun #define CTMIXER_H 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #include "ctatc.h" 18*4882a593Smuzhiyun #include "ctresource.h" 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #define INIT_VOL 0x1c00 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun enum MIXER_PORT_T { 23*4882a593Smuzhiyun MIX_WAVE_FRONT, 24*4882a593Smuzhiyun MIX_WAVE_REAR, 25*4882a593Smuzhiyun MIX_WAVE_CENTLFE, 26*4882a593Smuzhiyun MIX_WAVE_SURROUND, 27*4882a593Smuzhiyun MIX_SPDIF_OUT, 28*4882a593Smuzhiyun MIX_PCMO_FRONT, 29*4882a593Smuzhiyun MIX_MIC_IN, 30*4882a593Smuzhiyun MIX_LINE_IN, 31*4882a593Smuzhiyun MIX_SPDIF_IN, 32*4882a593Smuzhiyun MIX_PCMI_FRONT, 33*4882a593Smuzhiyun MIX_PCMI_REAR, 34*4882a593Smuzhiyun MIX_PCMI_CENTLFE, 35*4882a593Smuzhiyun MIX_PCMI_SURROUND, 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun NUM_MIX_PORTS 38*4882a593Smuzhiyun }; 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun /* alsa mixer descriptor */ 41*4882a593Smuzhiyun struct ct_mixer { 42*4882a593Smuzhiyun struct ct_atc *atc; 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun void **amixers; /* amixer resources for volume control */ 45*4882a593Smuzhiyun void **sums; /* sum resources for signal collection */ 46*4882a593Smuzhiyun unsigned int switch_state; /* A bit-map to indicate state of switches */ 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun int (*get_output_ports)(struct ct_mixer *mixer, enum MIXER_PORT_T type, 49*4882a593Smuzhiyun struct rsc **rleft, struct rsc **rright); 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun int (*set_input_left)(struct ct_mixer *mixer, 52*4882a593Smuzhiyun enum MIXER_PORT_T type, struct rsc *rsc); 53*4882a593Smuzhiyun int (*set_input_right)(struct ct_mixer *mixer, 54*4882a593Smuzhiyun enum MIXER_PORT_T type, struct rsc *rsc); 55*4882a593Smuzhiyun #ifdef CONFIG_PM_SLEEP 56*4882a593Smuzhiyun int (*resume)(struct ct_mixer *mixer); 57*4882a593Smuzhiyun #endif 58*4882a593Smuzhiyun }; 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun int ct_alsa_mix_create(struct ct_atc *atc, 61*4882a593Smuzhiyun enum CTALSADEVS device, 62*4882a593Smuzhiyun const char *device_name); 63*4882a593Smuzhiyun int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer); 64*4882a593Smuzhiyun int ct_mixer_destroy(struct ct_mixer *mixer); 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun #endif /* CTMIXER_H */ 67