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1 | /** |
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 ctdaio.h | |
9 | * | |
10 | * @Brief | |
11 | * This file contains the definition of Digital Audio Input Output | |
12 | * resource management object. | |
13 | * | |
14 | * @Author Liu Chun | |
15 | * @Date May 23 2008 | |
16 | * | |
17 | */ | |
18 | ||
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> | |
3d0fdc86 | 26 | #include <sound/core.h> |
8cc72361 WYC |
27 | |
28 | /* Define the descriptor of a daio resource */ | |
29 | enum DAIOTYP { | |
30 | LINEO1, | |
31 | LINEO2, | |
32 | LINEO3, | |
33 | LINEO4, | |
34 | SPDIFOO, /* S/PDIF Out (Flexijack/Optical) */ | |
35 | LINEIM, | |
36 | SPDIFIO, /* S/PDIF In (Flexijack/Optical) on the card */ | |
55309216 | 37 | MIC, /* Dedicated mic on Titanium HD */ |
8cc72361 WYC |
38 | SPDIFI1, /* S/PDIF In on internal Drive Bay */ |
39 | NUM_DAIOTYP | |
40 | }; | |
41 | ||
42 | struct dao_rsc_ops; | |
43 | struct dai_rsc_ops; | |
44 | struct daio_mgr; | |
45 | ||
46 | struct daio { | |
47 | struct rsc rscl; /* Basic resource info for left TX/RX */ | |
48 | struct rsc rscr; /* Basic resource info for right TX/RX */ | |
49 | enum DAIOTYP type; | |
50 | }; | |
51 | ||
52 | struct dao { | |
53 | struct daio daio; | |
43f2cdeb | 54 | const struct dao_rsc_ops *ops; /* DAO specific operations */ |
8cc72361 WYC |
55 | struct imapper **imappers; |
56 | struct daio_mgr *mgr; | |
66640898 | 57 | struct hw *hw; |
8cc72361 WYC |
58 | void *ctrl_blk; |
59 | }; | |
60 | ||
61 | struct dai { | |
62 | struct daio daio; | |
43f2cdeb | 63 | const struct dai_rsc_ops *ops; /* DAI specific operations */ |
66640898 | 64 | struct hw *hw; |
8cc72361 WYC |
65 | void *ctrl_blk; |
66 | }; | |
67 | ||
68 | struct dao_desc { | |
69 | unsigned int msr:4; | |
70 | unsigned int passthru:1; | |
71 | }; | |
72 | ||
73 | struct dao_rsc_ops { | |
74 | int (*set_spos)(struct dao *dao, unsigned int spos); | |
75 | int (*commit_write)(struct dao *dao); | |
76 | int (*get_spos)(struct dao *dao, unsigned int *spos); | |
77 | int (*reinit)(struct dao *dao, const struct dao_desc *desc); | |
78 | int (*set_left_input)(struct dao *dao, struct rsc *input); | |
79 | int (*set_right_input)(struct dao *dao, struct rsc *input); | |
80 | int (*clear_left_input)(struct dao *dao); | |
81 | int (*clear_right_input)(struct dao *dao); | |
82 | }; | |
83 | ||
84 | struct dai_rsc_ops { | |
85 | int (*set_srt_srcl)(struct dai *dai, struct rsc *src); | |
86 | int (*set_srt_srcr)(struct dai *dai, struct rsc *src); | |
87 | int (*set_srt_msr)(struct dai *dai, unsigned int msr); | |
88 | int (*set_enb_src)(struct dai *dai, unsigned int enb); | |
89 | int (*set_enb_srt)(struct dai *dai, unsigned int enb); | |
90 | int (*commit_write)(struct dai *dai); | |
91 | }; | |
92 | ||
93 | /* Define daio resource request description info */ | |
94 | struct daio_desc { | |
95 | unsigned int type:4; | |
96 | unsigned int msr:4; | |
97 | unsigned int passthru:1; | |
98 | }; | |
99 | ||
100 | struct daio_mgr { | |
101 | struct rsc_mgr mgr; /* Basic resource manager info */ | |
3d0fdc86 | 102 | struct snd_card *card; /* pointer to this card */ |
8cc72361 WYC |
103 | spinlock_t mgr_lock; |
104 | spinlock_t imap_lock; | |
105 | struct list_head imappers; | |
106 | struct imapper *init_imap; | |
107 | unsigned int init_imap_added; | |
108 | ||
109 | /* request one daio resource */ | |
110 | int (*get_daio)(struct daio_mgr *mgr, | |
111 | const struct daio_desc *desc, struct daio **rdaio); | |
112 | /* return one daio resource */ | |
113 | int (*put_daio)(struct daio_mgr *mgr, struct daio *daio); | |
114 | int (*daio_enable)(struct daio_mgr *mgr, struct daio *daio); | |
115 | int (*daio_disable)(struct daio_mgr *mgr, struct daio *daio); | |
116 | int (*imap_add)(struct daio_mgr *mgr, struct imapper *entry); | |
117 | int (*imap_delete)(struct daio_mgr *mgr, struct imapper *entry); | |
118 | int (*commit_write)(struct daio_mgr *mgr); | |
119 | }; | |
120 | ||
121 | /* Constructor and destructor of daio resource manager */ | |
66640898 | 122 | int daio_mgr_create(struct hw *hw, struct daio_mgr **rdaio_mgr); |
8cc72361 WYC |
123 | int daio_mgr_destroy(struct daio_mgr *daio_mgr); |
124 | ||
125 | #endif /* CTDAIO_H */ |