| 1 | /* $Id: cardwi.h,v 1.1 2000/04/23 14:55:42 ktk Exp $ */
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| 2 |
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| 3 | /*
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| 4 | **********************************************************************
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| 5 | * cardwi.h -- header file for card wave input functions
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| 6 | * Copyright 1999, 2000 Creative Labs, Inc.
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| 7 | *
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| 8 | **********************************************************************
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| 9 | *
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| 10 | * Date Author Summary of changes
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| 11 | * ---- ------ ------------------
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| 12 | * October 20, 1999 Bertrand Lee base code release
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| 13 | *
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| 14 | **********************************************************************
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| 15 | *
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| 16 | * This program is free software; you can redistribute it and/or
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| 17 | * modify it under the terms of the GNU General Public License as
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| 18 | * published by the Free Software Foundation; either version 2 of
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| 19 | * the License, or (at your option) any later version.
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| 20 | *
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| 21 | * This program is distributed in the hope that it will be useful,
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| 22 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 23 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 24 | * GNU General Public License for more details.
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| 25 | *
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| 26 | * You should have received a copy of the GNU General Public
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| 27 | * License along with this program; if not, write to the Free
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| 28 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
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| 29 | * USA.
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| 30 | *
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| 31 | **********************************************************************
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| 32 | */
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| 33 | #ifndef _CARDWI_H
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| 34 | #define _CARDWI_H
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| 35 |
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| 36 | #include "icardwav.h"
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| 37 |
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| 38 | struct wave_in
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| 39 | {
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| 40 | struct list_head list;
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| 41 |
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| 42 | u32 state;
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| 43 | struct record *rec_ptr;
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| 44 | struct memhandle *memhandle;
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| 45 | struct emu_timer *timer;
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| 46 | u32 callbacksize;
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| 47 | struct wave_format wave_fmt;
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| 48 | };
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| 49 |
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| 50 | struct wiinst
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| 51 | {
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| 52 | struct wave_in *wave_in;
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| 53 | struct wave_format wave_fmt;
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| 54 | u16 ossfragshift;
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| 55 | u32 fragment_size;
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| 56 | u32 numfrags;
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| 57 | wait_queue_head_t wait_queue;
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| 58 | int mapped;
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| 59 | u32 total_recorded; /* total bytes read() from device */
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| 60 | u32 blocks;
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| 61 | u32 curpos; /* hardware cursor position */
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| 62 | spinlock_t lock;
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| 63 | u8 recsrc;
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| 64 | };
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| 65 |
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| 66 | struct emu10k1_wavein
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| 67 | {
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| 68 | struct wave_in *ac97;
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| 69 | struct wave_in *mic;
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| 70 | struct wave_in *fx;
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| 71 |
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| 72 | u8 recsrc;
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| 73 | };
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| 74 |
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| 75 |
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| 76 | #define WAVEIN_MAXBUFSIZE 65536
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| 77 | #define WAVEIN_MINBUFSIZE 368
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| 78 |
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| 79 | #define WAVEIN_DEFAULTFRAGLEN 100
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| 80 | #define WAVEIN_DEFAULTBUFLEN 1000
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| 81 |
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| 82 | #define WAVEIN_MINFRAGSHIFT 8
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| 83 |
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| 84 | int emu10k1_wavein_open(struct emu10k1_wavedevice *);
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| 85 | void emu10k1_wavein_close(struct emu10k1_wavedevice *);
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| 86 | void emu10k1_wavein_start(struct emu10k1_wavedevice *);
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| 87 | void emu10k1_wavein_stop(struct emu10k1_wavedevice *);
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| 88 | void emu10k1_wavein_getxfersize(struct wiinst *, u32 *);
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| 89 | void emu10k1_wavein_xferdata(struct wiinst *, u8 *, u32 *);
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| 90 | int emu10k1_wavein_setformat(struct emu10k1_wavedevice *);
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| 91 | void emu10k1_wavein_update(struct wiinst *);
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| 92 |
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| 93 |
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| 94 | #endif /* _CARDWI_H */
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