| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | ********************************************************************** |
| 3 | * cardwi.h -- header file for card wave input functions |
| 4 | * Copyright 1999, 2000 Creative Labs, Inc. |
| 5 | * |
| 6 | ********************************************************************** |
| 7 | * |
| 8 | * Date Author Summary of changes |
| 9 | * ---- ------ ------------------ |
| 10 | * October 20, 1999 Bertrand Lee base code release |
| 11 | * |
| 12 | ********************************************************************** |
| 13 | * |
| 14 | * This program is free software; you can redistribute it and/or |
| 15 | * modify it under the terms of the GNU General Public License as |
| 16 | * published by the Free Software Foundation; either version 2 of |
| 17 | * the License, or (at your option) any later version. |
| 18 | * |
| 19 | * This program is distributed in the hope that it will be useful, |
| 20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 22 | * GNU General Public License for more details. |
| 23 | * |
| 24 | * You should have received a copy of the GNU General Public |
| 25 | * License along with this program; if not, write to the Free |
| 26 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, |
| 27 | * USA. |
| 28 | * |
| 29 | ********************************************************************** |
| 30 | */ |
| 31 | #ifndef _CARDWI_H |
| 32 | #define _CARDWI_H |
| 33 | |
| 34 | #include "icardwav.h" |
| 35 | #include "audio.h" |
| 36 | #include "timer.h" |
| 37 | |
| 38 | struct wavein_buffer { |
| 39 | u16 ossfragshift; |
| 40 | u32 fragment_size; |
| 41 | u32 numfrags; |
| 42 | u32 hw_pos; /* hardware cursor position */ |
| 43 | u32 pos; /* software cursor position */ |
| 44 | u32 bytestocopy; /* bytes of recorded data available */ |
| 45 | u32 size; |
| 46 | u32 pages; |
| 47 | u32 sizereg; |
| 48 | u32 sizeregval; |
| 49 | u32 addrreg; |
| 50 | u32 idxreg; |
| 51 | u32 adcctl; |
| 52 | void *addr; |
| 53 | u8 cov; |
| 54 | dma_addr_t dma_handle; |
| 55 | }; |
| 56 | |
| 57 | struct wiinst |
| 58 | { |
| 59 | u8 state; |
| 60 | struct emu_timer timer; |
| 61 | struct wave_format format; |
| 62 | struct wavein_buffer buffer; |
| 63 | wait_queue_head_t wait_queue; |
| 64 | u8 mmapped; |
| 65 | u32 total_recorded; /* total bytes read() from device */ |
| 66 | u32 blocks; |
| 67 | spinlock_t lock; |
| 68 | u8 recsrc; |
| 69 | u16 fxwc; |
| 70 | }; |
| 71 | |
| 72 | #define WAVEIN_MAXBUFSIZE 65536 |
| 73 | #define WAVEIN_MINBUFSIZE 368 |
| 74 | |
| 75 | #define WAVEIN_DEFAULTFRAGLEN 100 |
| 76 | #define WAVEIN_DEFAULTBUFLEN 1000 |
| 77 | |
| 78 | #define WAVEIN_MINFRAGSHIFT 8 |
| 79 | #define WAVEIN_MINFRAGS 2 |
| 80 | |
| 81 | int emu10k1_wavein_open(struct emu10k1_wavedevice *); |
| 82 | void emu10k1_wavein_close(struct emu10k1_wavedevice *); |
| 83 | void emu10k1_wavein_start(struct emu10k1_wavedevice *); |
| 84 | void emu10k1_wavein_stop(struct emu10k1_wavedevice *); |
| 85 | void emu10k1_wavein_getxfersize(struct wiinst *, u32 *); |
| 86 | void emu10k1_wavein_xferdata(struct wiinst *, u8 __user *, u32 *); |
| 87 | int emu10k1_wavein_setformat(struct emu10k1_wavedevice *, struct wave_format *); |
| 88 | void emu10k1_wavein_update(struct emu10k1_card *, struct wiinst *); |
| 89 | |
| 90 | |
| 91 | #endif /* _CARDWI_H */ |