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Wai Yew CHAY8cc72362009-05-14 08:05:58 +02001/**
2 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
3 *
4 * This source file is released under GPL v2 license (no other versions).
5 * See the COPYING file included in the main directory of this source
6 * distribution for the license terms and conditions.
7 *
8 * @File ctmixer.h
9 *
10 * @Brief
11 * This file contains the definition of the mixer device functions.
12 *
13 * @Author Liu Chun
14 * @Date Mar 28 2008
15 *
16 */
17
18#ifndef CTMIXER_H
19#define CTMIXER_H
20
21#include "ctatc.h"
22#include "ctresource.h"
23
24#define INIT_VOL 0x1c00
25
26enum MIXER_PORT_T {
27 MIX_WAVE_FRONT,
28 MIX_WAVE_REAR,
29 MIX_WAVE_CENTLFE,
30 MIX_WAVE_SURROUND,
31 MIX_SPDIF_OUT,
32 MIX_PCMO_FRONT,
33 MIX_MIC_IN,
34 MIX_LINE_IN,
35 MIX_SPDIF_IN,
36 MIX_PCMI_FRONT,
37 MIX_PCMI_REAR,
38 MIX_PCMI_CENTLFE,
39 MIX_PCMI_SURROUND,
40
41 NUM_MIX_PORTS
42};
43
44/* alsa mixer descriptor */
45struct ct_mixer {
46 struct ct_atc *atc;
47
48 void **amixers; /* amixer resources for volume control */
49 void **sums; /* sum resources for signal collection */
50 unsigned int switch_state; /* A bit-map to indicate state of switches */
51
52 int (*get_output_ports)(struct ct_mixer *mixer, enum MIXER_PORT_T type,
53 struct rsc **rleft, struct rsc **rright);
54
55 int (*set_input_left)(struct ct_mixer *mixer,
56 enum MIXER_PORT_T type, struct rsc *rsc);
57 int (*set_input_right)(struct ct_mixer *mixer,
58 enum MIXER_PORT_T type, struct rsc *rsc);
Takashi Iwaic7561cd2012-08-14 18:12:04 +020059#ifdef CONFIG_PM_SLEEP
Wai Yew CHAY29959a02009-06-22 14:52:34 +020060 int (*resume)(struct ct_mixer *mixer);
61#endif
Wai Yew CHAY8cc72362009-05-14 08:05:58 +020062};
63
64int ct_alsa_mix_create(struct ct_atc *atc,
65 enum CTALSADEVS device,
66 const char *device_name);
67int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer);
68int ct_mixer_destroy(struct ct_mixer *mixer);
69
70#endif /* CTMIXER_H */