| Wai Yew CHAY | 8cc7236 | 2009-05-14 08:05:58 +0200 | [diff] [blame] | 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); |
| Wai Yew CHAY | 29959a0 | 2009-06-22 14:52:34 +0200 | [diff] [blame] | 59 | #ifdef CONFIG_PM |
| 60 | int (*resume)(struct ct_mixer *mixer); |
| 61 | #endif |
| Wai Yew CHAY | 8cc7236 | 2009-05-14 08:05:58 +0200 | [diff] [blame] | 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 */ |