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
22 enum 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 */
41 struct 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
60 int ct_alsa_mix_create(struct ct_atc *atc,
61 enum CTALSADEVS device,
62 const char *device_name);
63 int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer);
64 int ct_mixer_destroy(struct ct_mixer *mixer);
65
66 #endif /* CTMIXER_H */
67
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