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ctdaio.h
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1 
19 #ifndef CTDAIO_H
20 #define CTDAIO_H
21 
22 #include "ctresource.h"
23 #include "ctimap.h"
24 #include <linux/spinlock.h>
25 #include <linux/list.h>
26 
27 /* Define the descriptor of a daio resource */
28 enum DAIOTYP {
29  LINEO1,
30  LINEO2,
31  LINEO3,
32  LINEO4,
33  SPDIFOO, /* S/PDIF Out (Flexijack/Optical) */
34  LINEIM,
35  SPDIFIO, /* S/PDIF In (Flexijack/Optical) on the card */
36  MIC, /* Dedicated mic on Titanium HD */
37  SPDIFI1, /* S/PDIF In on internal Drive Bay */
38  NUM_DAIOTYP
39 };
40 
41 struct dao_rsc_ops;
42 struct dai_rsc_ops;
43 struct daio_mgr;
44 
45 struct daio {
46  struct rsc rscl; /* Basic resource info for left TX/RX */
47  struct rsc rscr; /* Basic resource info for right TX/RX */
48  enum DAIOTYP type;
49 };
50 
51 struct dao {
52  struct daio daio;
53  struct dao_rsc_ops *ops; /* DAO specific operations */
54  struct imapper **imappers;
55  struct daio_mgr *mgr;
56  void *hw;
57  void *ctrl_blk;
58 };
59 
60 struct dai {
61  struct daio daio;
62  struct dai_rsc_ops *ops; /* DAI specific operations */
63  void *hw;
64  void *ctrl_blk;
65 };
66 
67 struct dao_desc {
68  unsigned int msr:4;
69  unsigned int passthru:1;
70 };
71 
72 struct dao_rsc_ops {
73  int (*set_spos)(struct dao *dao, unsigned int spos);
74  int (*commit_write)(struct dao *dao);
75  int (*get_spos)(struct dao *dao, unsigned int *spos);
76  int (*reinit)(struct dao *dao, const struct dao_desc *desc);
77  int (*set_left_input)(struct dao *dao, struct rsc *input);
78  int (*set_right_input)(struct dao *dao, struct rsc *input);
79  int (*clear_left_input)(struct dao *dao);
80  int (*clear_right_input)(struct dao *dao);
81 };
82 
83 struct dai_rsc_ops {
84  int (*set_srt_srcl)(struct dai *dai, struct rsc *src);
85  int (*set_srt_srcr)(struct dai *dai, struct rsc *src);
86  int (*set_srt_msr)(struct dai *dai, unsigned int msr);
87  int (*set_enb_src)(struct dai *dai, unsigned int enb);
88  int (*set_enb_srt)(struct dai *dai, unsigned int enb);
89  int (*commit_write)(struct dai *dai);
90 };
91 
92 /* Define daio resource request description info */
93 struct daio_desc {
94  unsigned int type:4;
95  unsigned int msr:4;
96  unsigned int passthru:1;
97 };
98 
99 struct daio_mgr {
100  struct rsc_mgr mgr; /* Basic resource manager info */
101  spinlock_t mgr_lock;
102  spinlock_t imap_lock;
103  struct list_head imappers;
104  struct imapper *init_imap;
105  unsigned int init_imap_added;
106 
107  /* request one daio resource */
108  int (*get_daio)(struct daio_mgr *mgr,
109  const struct daio_desc *desc, struct daio **rdaio);
110  /* return one daio resource */
111  int (*put_daio)(struct daio_mgr *mgr, struct daio *daio);
112  int (*daio_enable)(struct daio_mgr *mgr, struct daio *daio);
113  int (*daio_disable)(struct daio_mgr *mgr, struct daio *daio);
114  int (*imap_add)(struct daio_mgr *mgr, struct imapper *entry);
115  int (*imap_delete)(struct daio_mgr *mgr, struct imapper *entry);
116  int (*commit_write)(struct daio_mgr *mgr);
117 };
118 
119 /* Constructor and destructor of daio resource manager */
120 int daio_mgr_create(void *hw, struct daio_mgr **rdaio_mgr);
121 int daio_mgr_destroy(struct daio_mgr *daio_mgr);
122 
123 #endif /* CTDAIO_H */
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