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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 ctamixer.h
9 *
10 * @Brief
11 * This file contains the definition of the Audio Mixer
12 * resource management object.
13 *
14 * @Author Liu Chun
15 * @Date May 21 2008
16 *
17 */
18
19#ifndef CTAMIXER_H
20#define CTAMIXER_H
21
22#include "ctresource.h"
23#include <linux/spinlock.h>
Sudip Mukherjee3d0fdc82014-09-29 14:33:23 +053024#include <sound/core.h>
Wai Yew CHAY8cc72362009-05-14 08:05:58 +020025
26/* Define the descriptor of a summation node resource */
27struct sum {
28 struct rsc rsc; /* Basic resource info */
29 unsigned char idx[8];
30};
31
32/* Define sum resource request description info */
33struct sum_desc {
34 unsigned int msr;
35};
36
37struct sum_mgr {
38 struct rsc_mgr mgr; /* Basic resource manager info */
Sudip Mukherjee3d0fdc82014-09-29 14:33:23 +053039 struct snd_card *card; /* pointer to this card */
Wai Yew CHAY8cc72362009-05-14 08:05:58 +020040 spinlock_t mgr_lock;
41
42 /* request one sum resource */
43 int (*get_sum)(struct sum_mgr *mgr,
44 const struct sum_desc *desc, struct sum **rsum);
45 /* return one sum resource */
46 int (*put_sum)(struct sum_mgr *mgr, struct sum *sum);
47};
48
49/* Constructor and destructor of daio resource manager */
Sudip Mukherjee66640892014-09-29 14:33:21 +053050int sum_mgr_create(struct hw *hw, struct sum_mgr **rsum_mgr);
Wai Yew CHAY8cc72362009-05-14 08:05:58 +020051int sum_mgr_destroy(struct sum_mgr *sum_mgr);
52
53/* Define the descriptor of a amixer resource */
54struct amixer_rsc_ops;
55
56struct amixer {
57 struct rsc rsc; /* Basic resource info */
58 unsigned char idx[8];
59 struct rsc *input; /* pointer to a resource acting as source */
60 struct sum *sum; /* Put amixer output to this summation node */
61 struct amixer_rsc_ops *ops; /* AMixer specific operations */
62};
63
64struct amixer_rsc_ops {
65 int (*set_input)(struct amixer *amixer, struct rsc *rsc);
66 int (*set_scale)(struct amixer *amixer, unsigned int scale);
67 int (*set_invalid_squash)(struct amixer *amixer, unsigned int iv);
68 int (*set_sum)(struct amixer *amixer, struct sum *sum);
69 int (*commit_write)(struct amixer *amixer);
70 /* Only for interleaved recording */
71 int (*commit_raw_write)(struct amixer *amixer);
72 int (*setup)(struct amixer *amixer, struct rsc *input,
73 unsigned int scale, struct sum *sum);
74 int (*get_scale)(struct amixer *amixer);
75};
76
77/* Define amixer resource request description info */
78struct amixer_desc {
79 unsigned int msr;
80};
81
82struct amixer_mgr {
83 struct rsc_mgr mgr; /* Basic resource manager info */
Sudip Mukherjee3d0fdc82014-09-29 14:33:23 +053084 struct snd_card *card; /* pointer to this card */
Wai Yew CHAY8cc72362009-05-14 08:05:58 +020085 spinlock_t mgr_lock;
86
87 /* request one amixer resource */
88 int (*get_amixer)(struct amixer_mgr *mgr,
89 const struct amixer_desc *desc,
90 struct amixer **ramixer);
91 /* return one amixer resource */
92 int (*put_amixer)(struct amixer_mgr *mgr, struct amixer *amixer);
93};
94
95/* Constructor and destructor of amixer resource manager */
Sudip Mukherjee66640892014-09-29 14:33:21 +053096int amixer_mgr_create(struct hw *hw, struct amixer_mgr **ramixer_mgr);
Wai Yew CHAY8cc72362009-05-14 08:05:58 +020097int amixer_mgr_destroy(struct amixer_mgr *amixer_mgr);
98
99#endif /* CTAMIXER_H */