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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> | |
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 | SPDIFI1, /* S/PDIF In on internal Drive Bay */ | |
37 | NUM_DAIOTYP | |
38 | }; | |
39 | ||
40 | struct dao_rsc_ops; | |
41 | struct dai_rsc_ops; | |
42 | struct daio_mgr; | |
43 | ||
44 | struct daio { | |
45 | struct rsc rscl; /* Basic resource info for left TX/RX */ | |
46 | struct rsc rscr; /* Basic resource info for right TX/RX */ | |
47 | enum DAIOTYP type; | |
48 | }; | |
49 | ||
50 | struct dao { | |
51 | struct daio daio; | |
52 | struct dao_rsc_ops *ops; /* DAO specific operations */ | |
53 | struct imapper **imappers; | |
54 | struct daio_mgr *mgr; | |
55 | void *hw; | |
56 | void *ctrl_blk; | |
57 | }; | |
58 | ||
59 | struct dai { | |
60 | struct daio daio; | |
61 | struct dai_rsc_ops *ops; /* DAI specific operations */ | |
62 | void *hw; | |
63 | void *ctrl_blk; | |
64 | }; | |
65 | ||
66 | struct dao_desc { | |
67 | unsigned int msr:4; | |
68 | unsigned int passthru:1; | |
69 | }; | |
70 | ||
71 | struct dao_rsc_ops { | |
72 | int (*set_spos)(struct dao *dao, unsigned int spos); | |
73 | int (*commit_write)(struct dao *dao); | |
74 | int (*get_spos)(struct dao *dao, unsigned int *spos); | |
75 | int (*reinit)(struct dao *dao, const struct dao_desc *desc); | |
76 | int (*set_left_input)(struct dao *dao, struct rsc *input); | |
77 | int (*set_right_input)(struct dao *dao, struct rsc *input); | |
78 | int (*clear_left_input)(struct dao *dao); | |
79 | int (*clear_right_input)(struct dao *dao); | |
80 | }; | |
81 | ||
82 | struct dai_rsc_ops { | |
83 | int (*set_srt_srcl)(struct dai *dai, struct rsc *src); | |
84 | int (*set_srt_srcr)(struct dai *dai, struct rsc *src); | |
85 | int (*set_srt_msr)(struct dai *dai, unsigned int msr); | |
86 | int (*set_enb_src)(struct dai *dai, unsigned int enb); | |
87 | int (*set_enb_srt)(struct dai *dai, unsigned int enb); | |
88 | int (*commit_write)(struct dai *dai); | |
89 | }; | |
90 | ||
91 | /* Define daio resource request description info */ | |
92 | struct daio_desc { | |
93 | unsigned int type:4; | |
94 | unsigned int msr:4; | |
95 | unsigned int passthru:1; | |
96 | }; | |
97 | ||
98 | struct daio_mgr { | |
99 | struct rsc_mgr mgr; /* Basic resource manager info */ | |
100 | spinlock_t mgr_lock; | |
101 | spinlock_t imap_lock; | |
102 | struct list_head imappers; | |
103 | struct imapper *init_imap; | |
104 | unsigned int init_imap_added; | |
105 | ||
106 | /* request one daio resource */ | |
107 | int (*get_daio)(struct daio_mgr *mgr, | |
108 | const struct daio_desc *desc, struct daio **rdaio); | |
109 | /* return one daio resource */ | |
110 | int (*put_daio)(struct daio_mgr *mgr, struct daio *daio); | |
111 | int (*daio_enable)(struct daio_mgr *mgr, struct daio *daio); | |
112 | int (*daio_disable)(struct daio_mgr *mgr, struct daio *daio); | |
113 | int (*imap_add)(struct daio_mgr *mgr, struct imapper *entry); | |
114 | int (*imap_delete)(struct daio_mgr *mgr, struct imapper *entry); | |
115 | int (*commit_write)(struct daio_mgr *mgr); | |
116 | }; | |
117 | ||
118 | /* Constructor and destructor of daio resource manager */ | |
119 | int daio_mgr_create(void *hw, struct daio_mgr **rdaio_mgr); | |
120 | int daio_mgr_destroy(struct daio_mgr *daio_mgr); | |
121 | ||
122 | #endif /* CTDAIO_H */ |