1 /* SPDX-License-Identifier: GPL-2.0-or-later * <<
2 #ifndef __SOUND_HWDEP_H 1 #ifndef __SOUND_HWDEP_H
3 #define __SOUND_HWDEP_H 2 #define __SOUND_HWDEP_H
4 3
5 /* 4 /*
6 * Hardware dependent layer 5 * Hardware dependent layer
7 * Copyright (c) by Jaroslav Kysela <perex@pe !! 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 *
8 */ 23 */
9 24
10 #include <sound/asound.h> 25 #include <sound/asound.h>
11 #include <linux/poll.h> 26 #include <linux/poll.h>
12 27
13 struct snd_hwdep; !! 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 *buf, long count, loff_t *offset);
>> 36 long (*write) (snd_hwdep_t * hw, const char *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 (*mmap) (snd_hwdep_t * hw, struct file * file, struct vm_area_struct * vma);
>> 42 int (*dsp_status) (snd_hwdep_t * hw, snd_hwdep_dsp_status_t * status);
>> 43 int (*dsp_load) (snd_hwdep_t * hw, snd_hwdep_dsp_image_t * image);
>> 44 } snd_hwdep_ops_t;
14 45
15 /* hwdep file ops; all ops can be NULL */ !! 46 struct _snd_hwdep {
16 struct snd_hwdep_ops { !! 47 snd_card_t *card;
17 long long (*llseek)(struct snd_hwdep * <<
18 long long offset, <<
19 long (*read)(struct snd_hwdep *hw, cha <<
20 long count, loff_t *offse <<
21 long (*write)(struct snd_hwdep *hw, co <<
22 long count, loff_t *offs <<
23 int (*open)(struct snd_hwdep *hw, stru <<
24 int (*release)(struct snd_hwdep *hw, s <<
25 __poll_t (*poll)(struct snd_hwdep *hw, <<
26 poll_table *wait) <<
27 int (*ioctl)(struct snd_hwdep *hw, str <<
28 unsigned int cmd, unsigne <<
29 int (*ioctl_compat)(struct snd_hwdep * <<
30 unsigned int cmd, <<
31 int (*mmap)(struct snd_hwdep *hw, stru <<
32 struct vm_area_struct *vma <<
33 int (*dsp_status)(struct snd_hwdep *hw <<
34 struct snd_hwdep_dsp <<
35 int (*dsp_load)(struct snd_hwdep *hw, <<
36 struct snd_hwdep_dsp_i <<
37 }; <<
38 <<
39 struct snd_hwdep { <<
40 struct snd_card *card; <<
41 struct list_head list; <<
42 int device; 48 int device;
43 char id[32]; 49 char id[32];
44 char name[80]; 50 char name[80];
45 int iface; 51 int iface;
46 52
47 #ifdef CONFIG_SND_OSSEMUL 53 #ifdef CONFIG_SND_OSSEMUL
>> 54 char oss_dev[32];
48 int oss_type; 55 int oss_type;
49 int ossreg; 56 int ossreg;
50 #endif 57 #endif
51 58
52 struct snd_hwdep_ops ops; !! 59 snd_hwdep_ops_t ops;
53 wait_queue_head_t open_wait; 60 wait_queue_head_t open_wait;
54 void *private_data; 61 void *private_data;
55 void (*private_free) (struct snd_hwdep !! 62 void (*private_free) (snd_hwdep_t *hwdep);
56 struct device *dev; <<
57 63
58 struct mutex open_mutex; !! 64 struct semaphore open_mutex;
59 int used; /* ref !! 65 int used;
60 unsigned int dsp_loaded; /* bit !! 66 unsigned int dsp_loaded;
61 unsigned int exclusive:1; /* exc !! 67 unsigned int exclusive: 1;
62 }; 68 };
63 69
64 extern int snd_hwdep_new(struct snd_card *card !! 70 extern int snd_hwdep_new(snd_card_t * card, char *id, int device, snd_hwdep_t ** rhwdep);
65 struct snd_hwdep **rh <<
66 71
67 #endif /* __SOUND_HWDEP_H */ 72 #endif /* __SOUND_HWDEP_H */
68 73
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