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8cc72361 WYC |
1 | /** |
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 | ||
26 | enum 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 */ | |
45 | struct 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); | |
c7561cd8 | 59 | #ifdef CONFIG_PM_SLEEP |
29959a09 WYC |
60 | int (*resume)(struct ct_mixer *mixer); |
61 | #endif | |
8cc72361 WYC |
62 | }; |
63 | ||
64 | int ct_alsa_mix_create(struct ct_atc *atc, | |
65 | enum CTALSADEVS device, | |
66 | const char *device_name); | |
67 | int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer); | |
68 | int ct_mixer_destroy(struct ct_mixer *mixer); | |
69 | ||
70 | #endif /* CTMIXER_H */ |