blob: a65b0d37738c9af66dec1d7e9c6537e11324bfcd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/*
* ABE Port manager
*
* Author: Liam Girdwood <lrg@slimlogic.co.uk>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __LINUX_SND_SOC_OMAP_PORT_MGR_H
#define __LINUX_SND_SOC_OMAP_PORT_MGR_H
#include <linux/debugfs.h>
/*
* TODO: These structures, enums and port ID macros should be moved to the
* new public ABE API header.
*/
/* Logical PORT IDs - Backend */
#define OMAP_ABE_BE_PORT_DMIC0 0
#define OMAP_ABE_BE_PORT_DMIC1 1
#define OMAP_ABE_BE_PORT_DMIC2 2
#define OMAP_ABE_BE_PORT_PDM_DL1 3
#define OMAP_ABE_BE_PORT_PDM_DL2 4
#define OMAP_ABE_BE_PORT_PDM_VIB 5
#define OMAP_ABE_BE_PORT_PDM_UL1 6
#define OMAP_ABE_BE_PORT_BT_VX_DL 7
#define OMAP_ABE_BE_PORT_BT_VX_UL 8
#define OMAP_ABE_BE_PORT_MM_EXT_UL 9
#define OMAP_ABE_BE_PORT_MM_EXT_DL 10
/* Logical PORT IDs - Frontend */
#define OMAP_ABE_FE_PORT_MM_DL1 11
#define OMAP_ABE_FE_PORT_MM_UL1 12
#define OMAP_ABE_FE_PORT_MM_UL2 13
#define OMAP_ABE_FE_PORT_VX_DL 14
#define OMAP_ABE_FE_PORT_VX_UL 15
#define OMAP_ABE_FE_PORT_VIB 16
#define OMAP_ABE_FE_PORT_TONES 17
#define OMAP_ABE_MAX_PORT_ID OMAP_ABE_FE_PORT_TONES
/* ports can either be enabled or disabled */
enum port_state {
PORT_DISABLED = 0,
PORT_ENABLED,
};
/* structure used for client port info */
struct omap_abe_port {
/* logical and physical port IDs that correspond this port */
int logical_id;
int physical_id;
int physical_users;
/* enabled or disabled */
enum port_state state;
/* logical port ref count */
int users;
struct list_head list;
struct abe *abe;
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs_lstate;
struct dentry *debugfs_lphy;
struct dentry *debugfs_lusers;
#endif
};
/* main ABE structure */
struct abe {
/* List of open ABE logical ports */
struct list_head ports;
/* spinlock */
spinlock_t lock;
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs_root;
#endif
};
struct omap_abe_port *omap_abe_port_open(struct abe *abe, int logical_id);
void omap_abe_port_close(struct abe *abe, struct omap_abe_port *port);
int omap_abe_port_enable(struct abe *abe, struct omap_abe_port *port);
int omap_abe_port_disable(struct abe *abe, struct omap_abe_port *port);
int omap_abe_port_is_enabled(struct abe *abe, struct omap_abe_port *port);
struct abe *omap_abe_port_mgr_get(void);
void omap_abe_port_mgr_put(struct abe *abe);
#endif /* __LINUX_SND_SOC_OMAP_PORT_MGR_H */
|
