Blame view

kernel/linux-imx6_3.14.28/sound/pci/ctxfi/ctdaio.h 3.25 KB
6b13f685e   김민수   BSP 최초 추가
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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
  /**
   * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
   *
   * This source file is released under GPL v2 license (no other versions).
   * See the COPYING file included in the main directory of this source
   * distribution for the license terms and conditions.
   *
   * @File	ctdaio.h
   *
   * @Brief
   * This file contains the definition of Digital Audio Input Output
   * resource management object.
   *
   * @Author	Liu Chun
   * @Date 	May 23 2008
   *
   */
  
  #ifndef CTDAIO_H
  #define CTDAIO_H
  
  #include "ctresource.h"
  #include "ctimap.h"
  #include <linux/spinlock.h>
  #include <linux/list.h>
  
  /* Define the descriptor of a daio resource */
  enum DAIOTYP {
  	LINEO1,
  	LINEO2,
  	LINEO3,
  	LINEO4,
  	SPDIFOO,	/* S/PDIF Out (Flexijack/Optical) */
  	LINEIM,
  	SPDIFIO,	/* S/PDIF In (Flexijack/Optical) on the card */
  	MIC,		/* Dedicated mic on Titanium HD */
  	SPDIFI1,	/* S/PDIF In on internal Drive Bay */
  	NUM_DAIOTYP
  };
  
  struct dao_rsc_ops;
  struct dai_rsc_ops;
  struct daio_mgr;
  
  struct daio {
  	struct rsc rscl;	/* Basic resource info for left TX/RX */
  	struct rsc rscr;	/* Basic resource info for right TX/RX */
  	enum DAIOTYP type;
  };
  
  struct dao {
  	struct daio daio;
  	struct dao_rsc_ops *ops;	/* DAO specific operations */
  	struct imapper **imappers;
  	struct daio_mgr *mgr;
  	void *hw;
  	void *ctrl_blk;
  };
  
  struct dai {
  	struct daio daio;
  	struct dai_rsc_ops *ops;	/* DAI specific operations */
  	void *hw;
  	void *ctrl_blk;
  };
  
  struct dao_desc {
  	unsigned int msr:4;
  	unsigned int passthru:1;
  };
  
  struct dao_rsc_ops {
  	int (*set_spos)(struct dao *dao, unsigned int spos);
  	int (*commit_write)(struct dao *dao);
  	int (*get_spos)(struct dao *dao, unsigned int *spos);
  	int (*reinit)(struct dao *dao, const struct dao_desc *desc);
  	int (*set_left_input)(struct dao *dao, struct rsc *input);
  	int (*set_right_input)(struct dao *dao, struct rsc *input);
  	int (*clear_left_input)(struct dao *dao);
  	int (*clear_right_input)(struct dao *dao);
  };
  
  struct dai_rsc_ops {
  	int (*set_srt_srcl)(struct dai *dai, struct rsc *src);
  	int (*set_srt_srcr)(struct dai *dai, struct rsc *src);
  	int (*set_srt_msr)(struct dai *dai, unsigned int msr);
  	int (*set_enb_src)(struct dai *dai, unsigned int enb);
  	int (*set_enb_srt)(struct dai *dai, unsigned int enb);
  	int (*commit_write)(struct dai *dai);
  };
  
  /* Define daio resource request description info */
  struct daio_desc {
  	unsigned int type:4;
  	unsigned int msr:4;
  	unsigned int passthru:1;
  };
  
  struct daio_mgr {
  	struct rsc_mgr mgr;	/* Basic resource manager info */
  	spinlock_t mgr_lock;
  	spinlock_t imap_lock;
  	struct list_head imappers;
  	struct imapper *init_imap;
  	unsigned int init_imap_added;
  
  	 /* request one daio resource */
  	int (*get_daio)(struct daio_mgr *mgr,
  			const struct daio_desc *desc, struct daio **rdaio);
  	/* return one daio resource */
  	int (*put_daio)(struct daio_mgr *mgr, struct daio *daio);
  	int (*daio_enable)(struct daio_mgr *mgr, struct daio *daio);
  	int (*daio_disable)(struct daio_mgr *mgr, struct daio *daio);
  	int (*imap_add)(struct daio_mgr *mgr, struct imapper *entry);
  	int (*imap_delete)(struct daio_mgr *mgr, struct imapper *entry);
  	int (*commit_write)(struct daio_mgr *mgr);
  };
  
  /* Constructor and destructor of daio resource manager */
  int daio_mgr_create(void *hw, struct daio_mgr **rdaio_mgr);
  int daio_mgr_destroy(struct daio_mgr *daio_mgr);
  
  #endif /* CTDAIO_H */