diff options
author | Takashi Iwai <tiwai@suse.de> | 2009-06-10 07:26:27 +0200 |
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committer | Takashi Iwai <tiwai@suse.de> | 2009-06-10 07:26:27 +0200 |
commit | e618a5609e504845786c71e2825e10b6a9728185 (patch) | |
tree | 6c9e1a40216b776923567f9b3506a8fee66dec89 /sound/pci/ctxfi/ctdaio.h | |
parent | d3e3743694cbfd64450b3468e11b40ba8c6f4369 (diff) | |
parent | a5990dc5b96f537618b0f057c8723a6a0b0cdc74 (diff) |
Merge branch 'topic/ctxfi' into for-linus
* topic/ctxfi: (35 commits)
ALSA: ctxfi - Clear PCM resources at hw_params and hw_free
ALSA: ctxfi - Check the presence of SRC instance in PCM pointer callbacks
ALSA: ctxfi - Add missing start check in atc_pcm_playback_start()
ALSA: ctxfi - Add use_system_timer module option
ALSA: ctxfi - Fix wrong model id for UAA
ALSA: ctxfi - Clean up probe routines
ALSA: ctxfi - Fix / clean up hw20k2 chip code
ALSA: ctxfi - Fix possible buffer pointer overrun
ALSA: ctxfi - Remove useless initializations and cast
ALSA: ctxfi - Fix DMA mask for emu20k2 chip
ALSA: ctxfi - Make volume controls more intuitive
ALSA: ctxfi - Optimize the native timer handling using wc counter
ALSA: ctxfi - Add missing inclusion of linux/math64.h
ALSA: ctxfi - Set device 0 for mixer control elements
ALSA: ctxfi - Clean up / optimize
ALSA: ctxfi - Set periods_min to 2
ALSA: ctxfi - Use native timer interrupt on emu20k1
ALSA: ctxfi - Fix previous fix for 64bit DMA
ALSA: ctxfi - Fix endian-dependent codes
ALSA: ctxfi - Allow 64bit DMA
...
Diffstat (limited to 'sound/pci/ctxfi/ctdaio.h')
-rw-r--r-- | sound/pci/ctxfi/ctdaio.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/sound/pci/ctxfi/ctdaio.h b/sound/pci/ctxfi/ctdaio.h new file mode 100644 index 00000000000..0f52ce571ee --- /dev/null +++ b/sound/pci/ctxfi/ctdaio.h @@ -0,0 +1,122 @@ +/** + * 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 */ + 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 */ |