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- /**
- * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
- *
- * This source file is released under GPL v2 license (no other versions).
- * See the COPYING file included in the main directory of this source
- * distribution for the license terms and conditions.
- *
- * @File ctmixer.h
- *
- * @Brief
- * This file contains the definition of the mixer device functions.
- *
- * @Author Liu Chun
- * @Date Mar 28 2008
- *
- */
- #ifndef CTMIXER_H
- #define CTMIXER_H
- #include "ctatc.h"
- #include "ctresource.h"
- #define INIT_VOL 0x1c00
- enum MIXER_PORT_T {
- MIX_WAVE_FRONT,
- MIX_WAVE_REAR,
- MIX_WAVE_CENTLFE,
- MIX_WAVE_SURROUND,
- MIX_SPDIF_OUT,
- MIX_PCMO_FRONT,
- MIX_MIC_IN,
- MIX_LINE_IN,
- MIX_SPDIF_IN,
- MIX_PCMI_FRONT,
- MIX_PCMI_REAR,
- MIX_PCMI_CENTLFE,
- MIX_PCMI_SURROUND,
- NUM_MIX_PORTS
- };
- /* alsa mixer descriptor */
- struct ct_mixer {
- struct ct_atc *atc;
- void **amixers; /* amixer resources for volume control */
- void **sums; /* sum resources for signal collection */
- unsigned int switch_state; /* A bit-map to indicate state of switches */
- int (*get_output_ports)(struct ct_mixer *mixer, enum MIXER_PORT_T type,
- struct rsc **rleft, struct rsc **rright);
- int (*set_input_left)(struct ct_mixer *mixer,
- enum MIXER_PORT_T type, struct rsc *rsc);
- int (*set_input_right)(struct ct_mixer *mixer,
- enum MIXER_PORT_T type, struct rsc *rsc);
- #ifdef CONFIG_PM_SLEEP
- int (*resume)(struct ct_mixer *mixer);
- #endif
- };
- int ct_alsa_mix_create(struct ct_atc *atc,
- enum CTALSADEVS device,
- const char *device_name);
- int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer);
- int ct_mixer_destroy(struct ct_mixer *mixer);
- #endif /* CTMIXER_H */
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