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