| 1 | #ifndef __HWDEP_H
|
|---|
| 2 | #define __HWDEP_H
|
|---|
| 3 |
|
|---|
| 4 | /*
|
|---|
| 5 | * Hardware dependent layer
|
|---|
| 6 | * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
|
|---|
| 7 | *
|
|---|
| 8 | *
|
|---|
| 9 | * This program is free software; you can redistribute it and/or modify
|
|---|
| 10 | * it under the terms of the GNU General Public License as published by
|
|---|
| 11 | * the Free Software Foundation; either version 2 of the License, or
|
|---|
| 12 | * (at your option) any later version.
|
|---|
| 13 | *
|
|---|
| 14 | * This program is distributed in the hope that it will be useful,
|
|---|
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 17 | * GNU General Public License for more details.
|
|---|
| 18 | *
|
|---|
| 19 | * You should have received a copy of the GNU General Public License
|
|---|
| 20 | * along with this program; if not, write to the Free Software
|
|---|
| 21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|---|
| 22 | *
|
|---|
| 23 | */
|
|---|
| 24 |
|
|---|
| 25 | typedef enum sndrv_hwdep_iface snd_hwdep_iface_t;
|
|---|
| 26 | typedef struct sndrv_hwdep_info snd_hwdep_info_t;
|
|---|
| 27 | typedef struct sndrv_hwdep_dsp_status snd_hwdep_dsp_status_t;
|
|---|
| 28 | typedef struct sndrv_hwdep_dsp_image snd_hwdep_dsp_image_t;
|
|---|
| 29 |
|
|---|
| 30 | typedef struct _snd_hwdep_ops {
|
|---|
| 31 | #ifdef TARGET_OS2
|
|---|
| 32 | int64_t (*llseek) (snd_hwdep_t *hw, struct file * file, int64_t offset, int orig);
|
|---|
| 33 | #else
|
|---|
| 34 | long long (*llseek) (snd_hwdep_t *hw, struct file * file, long long offset, int orig);
|
|---|
| 35 | #endif
|
|---|
| 36 | long (*read) (snd_hwdep_t * hw, char *buf, long count, loff_t *offset);
|
|---|
| 37 | long (*write) (snd_hwdep_t * hw, const char *buf, long count, loff_t *offset);
|
|---|
| 38 | int (*open) (snd_hwdep_t * hw, struct file * file);
|
|---|
| 39 | int (*release) (snd_hwdep_t * hw, struct file * file);
|
|---|
| 40 | unsigned int (*poll) (snd_hwdep_t * hw, struct file * file, poll_table * wait);
|
|---|
| 41 | int (*ioctl) (snd_hwdep_t * hw, struct file * file, unsigned int cmd, unsigned long arg);
|
|---|
| 42 | int (*mmap) (snd_hwdep_t * hw, struct file * file, struct vm_area_struct * vma);
|
|---|
| 43 | int (*dsp_status) (snd_hwdep_t * hw, snd_hwdep_dsp_status_t * status);
|
|---|
| 44 | int (*dsp_load) (snd_hwdep_t * hw, snd_hwdep_dsp_image_t * image);
|
|---|
| 45 | } snd_hwdep_ops_t;
|
|---|
| 46 |
|
|---|
| 47 | struct _snd_hwdep {
|
|---|
| 48 | snd_card_t *card;
|
|---|
| 49 | int device;
|
|---|
| 50 | char id[32];
|
|---|
| 51 | char name[80];
|
|---|
| 52 | int iface;
|
|---|
| 53 |
|
|---|
| 54 | #ifdef CONFIG_SND_OSSEMUL
|
|---|
| 55 | char oss_dev[32];
|
|---|
| 56 | int oss_type;
|
|---|
| 57 | int ossreg;
|
|---|
| 58 | #endif
|
|---|
| 59 |
|
|---|
| 60 | snd_hwdep_ops_t ops;
|
|---|
| 61 | wait_queue_head_t open_wait;
|
|---|
| 62 | void *private_data;
|
|---|
| 63 | void (*private_free) (snd_hwdep_t *hwdep);
|
|---|
| 64 |
|
|---|
| 65 | struct semaphore open_mutex;
|
|---|
| 66 | int used;
|
|---|
| 67 | unsigned int dsp_loaded;
|
|---|
| 68 | unsigned int exclusive: 1;
|
|---|
| 69 | };
|
|---|
| 70 |
|
|---|
| 71 | extern int snd_hwdep_new(snd_card_t * card, char *id, int device, snd_hwdep_t ** rhwdep);
|
|---|
| 72 |
|
|---|
| 73 | #endif /* __HWDEP_H */
|
|---|
