| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef __SOUND_HWDEP_H |
| 2 | #define __SOUND_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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | #include <sound/asound.h> |
| 26 | #include <linux/poll.h> |
| 27 | |
| 28 | typedef enum sndrv_hwdep_iface snd_hwdep_iface_t; |
| 29 | typedef struct sndrv_hwdep_info snd_hwdep_info_t; |
| 30 | typedef struct sndrv_hwdep_dsp_status snd_hwdep_dsp_status_t; |
| 31 | typedef struct sndrv_hwdep_dsp_image snd_hwdep_dsp_image_t; |
| 32 | |
| 33 | typedef struct _snd_hwdep_ops { |
| 34 | long long (*llseek) (snd_hwdep_t *hw, struct file * file, long long offset, int orig); |
| 35 | long (*read) (snd_hwdep_t * hw, char __user *buf, long count, loff_t *offset); |
| 36 | long (*write) (snd_hwdep_t * hw, const char __user *buf, long count, loff_t *offset); |
| 37 | int (*open) (snd_hwdep_t * hw, struct file * file); |
| 38 | int (*release) (snd_hwdep_t * hw, struct file * file); |
| 39 | unsigned int (*poll) (snd_hwdep_t * hw, struct file * file, poll_table * wait); |
| 40 | int (*ioctl) (snd_hwdep_t * hw, struct file * file, unsigned int cmd, unsigned long arg); |
| 41 | int (*ioctl_compat) (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 /* __SOUND_HWDEP_H */ |