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121 lines
3.2 KiB
121 lines
3.2 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/** |
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* Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. |
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* |
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* @File ctdaio.h |
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* |
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* @Brief |
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* This file contains the definition of Digital Audio Input Output |
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* resource management object. |
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* |
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* @Author Liu Chun |
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* @Date May 23 2008 |
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*/ |
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#ifndef CTDAIO_H |
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#define CTDAIO_H |
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#include "ctresource.h" |
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#include "ctimap.h" |
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#include <linux/spinlock.h> |
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#include <linux/list.h> |
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#include <sound/core.h> |
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/* Define the descriptor of a daio resource */ |
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enum DAIOTYP { |
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LINEO1, |
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LINEO2, |
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LINEO3, |
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LINEO4, |
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SPDIFOO, /* S/PDIF Out (Flexijack/Optical) */ |
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LINEIM, |
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SPDIFIO, /* S/PDIF In (Flexijack/Optical) on the card */ |
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MIC, /* Dedicated mic on Titanium HD */ |
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SPDIFI1, /* S/PDIF In on internal Drive Bay */ |
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NUM_DAIOTYP |
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}; |
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struct dao_rsc_ops; |
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struct dai_rsc_ops; |
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struct daio_mgr; |
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struct daio { |
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struct rsc rscl; /* Basic resource info for left TX/RX */ |
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struct rsc rscr; /* Basic resource info for right TX/RX */ |
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enum DAIOTYP type; |
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}; |
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struct dao { |
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struct daio daio; |
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const struct dao_rsc_ops *ops; /* DAO specific operations */ |
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struct imapper **imappers; |
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struct daio_mgr *mgr; |
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struct hw *hw; |
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void *ctrl_blk; |
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}; |
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struct dai { |
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struct daio daio; |
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const struct dai_rsc_ops *ops; /* DAI specific operations */ |
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struct hw *hw; |
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void *ctrl_blk; |
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}; |
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struct dao_desc { |
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unsigned int msr:4; |
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unsigned int passthru:1; |
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}; |
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struct dao_rsc_ops { |
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int (*set_spos)(struct dao *dao, unsigned int spos); |
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int (*commit_write)(struct dao *dao); |
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int (*get_spos)(struct dao *dao, unsigned int *spos); |
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int (*reinit)(struct dao *dao, const struct dao_desc *desc); |
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int (*set_left_input)(struct dao *dao, struct rsc *input); |
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int (*set_right_input)(struct dao *dao, struct rsc *input); |
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int (*clear_left_input)(struct dao *dao); |
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int (*clear_right_input)(struct dao *dao); |
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}; |
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struct dai_rsc_ops { |
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int (*set_srt_srcl)(struct dai *dai, struct rsc *src); |
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int (*set_srt_srcr)(struct dai *dai, struct rsc *src); |
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int (*set_srt_msr)(struct dai *dai, unsigned int msr); |
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int (*set_enb_src)(struct dai *dai, unsigned int enb); |
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int (*set_enb_srt)(struct dai *dai, unsigned int enb); |
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int (*commit_write)(struct dai *dai); |
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}; |
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/* Define daio resource request description info */ |
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struct daio_desc { |
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unsigned int type:4; |
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unsigned int msr:4; |
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unsigned int passthru:1; |
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}; |
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struct daio_mgr { |
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struct rsc_mgr mgr; /* Basic resource manager info */ |
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struct snd_card *card; /* pointer to this card */ |
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spinlock_t mgr_lock; |
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spinlock_t imap_lock; |
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struct list_head imappers; |
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struct imapper *init_imap; |
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unsigned int init_imap_added; |
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/* request one daio resource */ |
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int (*get_daio)(struct daio_mgr *mgr, |
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const struct daio_desc *desc, struct daio **rdaio); |
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/* return one daio resource */ |
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int (*put_daio)(struct daio_mgr *mgr, struct daio *daio); |
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int (*daio_enable)(struct daio_mgr *mgr, struct daio *daio); |
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int (*daio_disable)(struct daio_mgr *mgr, struct daio *daio); |
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int (*imap_add)(struct daio_mgr *mgr, struct imapper *entry); |
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int (*imap_delete)(struct daio_mgr *mgr, struct imapper *entry); |
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int (*commit_write)(struct daio_mgr *mgr); |
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}; |
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/* Constructor and destructor of daio resource manager */ |
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int daio_mgr_create(struct hw *hw, struct daio_mgr **rdaio_mgr); |
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int daio_mgr_destroy(struct daio_mgr *daio_mgr); |
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#endif /* CTDAIO_H */
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