1 /* SPDX-License-Identifier: GPL-2.0-only */ !! 1 /**
2 /* <<
3 * Copyright (C) 2008, Creative Technology Ltd 2 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
4 * 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 *
5 * @File ctmixer.h 8 * @File ctmixer.h
6 * 9 *
7 * @Brief 10 * @Brief
8 * This file contains the definition of the mi 11 * This file contains the definition of the mixer device functions.
9 * 12 *
10 * @Author Liu Chun 13 * @Author Liu Chun
11 * @Date Mar 28 2008 14 * @Date Mar 28 2008
>> 15 *
12 */ 16 */
13 17
14 #ifndef CTMIXER_H 18 #ifndef CTMIXER_H
15 #define CTMIXER_H 19 #define CTMIXER_H
16 20
17 #include "ctatc.h" 21 #include "ctatc.h"
18 #include "ctresource.h" 22 #include "ctresource.h"
19 23
20 #define INIT_VOL 0x1c00 24 #define INIT_VOL 0x1c00
21 25
22 enum MIXER_PORT_T { 26 enum MIXER_PORT_T {
23 MIX_WAVE_FRONT, 27 MIX_WAVE_FRONT,
24 MIX_WAVE_REAR, 28 MIX_WAVE_REAR,
25 MIX_WAVE_CENTLFE, 29 MIX_WAVE_CENTLFE,
26 MIX_WAVE_SURROUND, 30 MIX_WAVE_SURROUND,
27 MIX_SPDIF_OUT, 31 MIX_SPDIF_OUT,
28 MIX_PCMO_FRONT, 32 MIX_PCMO_FRONT,
29 MIX_MIC_IN, 33 MIX_MIC_IN,
30 MIX_LINE_IN, 34 MIX_LINE_IN,
31 MIX_SPDIF_IN, 35 MIX_SPDIF_IN,
32 MIX_PCMI_FRONT, 36 MIX_PCMI_FRONT,
33 MIX_PCMI_REAR, 37 MIX_PCMI_REAR,
34 MIX_PCMI_CENTLFE, 38 MIX_PCMI_CENTLFE,
35 MIX_PCMI_SURROUND, 39 MIX_PCMI_SURROUND,
36 40
37 NUM_MIX_PORTS 41 NUM_MIX_PORTS
38 }; 42 };
39 43
40 /* alsa mixer descriptor */ 44 /* alsa mixer descriptor */
41 struct ct_mixer { 45 struct ct_mixer {
42 struct ct_atc *atc; 46 struct ct_atc *atc;
43 47
44 void **amixers; /* amixer reso 48 void **amixers; /* amixer resources for volume control */
45 void **sums; /* sum resourc 49 void **sums; /* sum resources for signal collection */
46 unsigned int switch_state; /* A bit-ma 50 unsigned int switch_state; /* A bit-map to indicate state of switches */
47 51
48 int (*get_output_ports)(struct ct_mixe 52 int (*get_output_ports)(struct ct_mixer *mixer, enum MIXER_PORT_T type,
49 struct rsc * 53 struct rsc **rleft, struct rsc **rright);
50 54
51 int (*set_input_left)(struct ct_mixer 55 int (*set_input_left)(struct ct_mixer *mixer,
52 enum MIXER_PORT_ 56 enum MIXER_PORT_T type, struct rsc *rsc);
53 int (*set_input_right)(struct ct_mixer 57 int (*set_input_right)(struct ct_mixer *mixer,
54 enum MIXER_PORT 58 enum MIXER_PORT_T type, struct rsc *rsc);
55 #ifdef CONFIG_PM_SLEEP 59 #ifdef CONFIG_PM_SLEEP
56 int (*resume)(struct ct_mixer *mixer); 60 int (*resume)(struct ct_mixer *mixer);
57 #endif 61 #endif
58 }; 62 };
59 63
60 int ct_alsa_mix_create(struct ct_atc *atc, 64 int ct_alsa_mix_create(struct ct_atc *atc,
61 enum CTALSADEVS device, 65 enum CTALSADEVS device,
62 const char *device_name 66 const char *device_name);
63 int ct_mixer_create(struct ct_atc *atc, struct 67 int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer);
64 int ct_mixer_destroy(struct ct_mixer *mixer); 68 int ct_mixer_destroy(struct ct_mixer *mixer);
65 69
66 #endif /* CTMIXER_H */ 70 #endif /* CTMIXER_H */
67 71
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