diff options
Diffstat (limited to 'include/sound/hwdep.h')
| -rw-r--r-- | include/sound/hwdep.h | 66 |
1 files changed, 38 insertions, 28 deletions
diff --git a/include/sound/hwdep.h b/include/sound/hwdep.h index 043876348fa..ae04a3ec9c7 100644 --- a/include/sound/hwdep.h +++ b/include/sound/hwdep.h @@ -3,7 +3,7 @@ /* * Hardware dependent layer - * Copyright (c) by Jaroslav Kysela <perex@suse.cz> + * Copyright (c) by Jaroslav Kysela <perex@perex.cz> * * * This program is free software; you can redistribute it and/or modify @@ -25,49 +25,59 @@ #include <sound/asound.h> #include <linux/poll.h> -typedef enum sndrv_hwdep_iface snd_hwdep_iface_t; -typedef struct sndrv_hwdep_info snd_hwdep_info_t; -typedef struct sndrv_hwdep_dsp_status snd_hwdep_dsp_status_t; -typedef struct sndrv_hwdep_dsp_image snd_hwdep_dsp_image_t; +struct snd_hwdep; -typedef struct _snd_hwdep_ops { - long long (*llseek) (snd_hwdep_t *hw, struct file * file, long long offset, int orig); - long (*read) (snd_hwdep_t * hw, char __user *buf, long count, loff_t *offset); - long (*write) (snd_hwdep_t * hw, const char __user *buf, long count, loff_t *offset); - int (*open) (snd_hwdep_t * hw, struct file * file); - int (*release) (snd_hwdep_t * hw, struct file * file); - unsigned int (*poll) (snd_hwdep_t * hw, struct file * file, poll_table * wait); - int (*ioctl) (snd_hwdep_t * hw, struct file * file, unsigned int cmd, unsigned long arg); - int (*ioctl_compat) (snd_hwdep_t * hw, struct file * file, unsigned int cmd, unsigned long arg); - int (*mmap) (snd_hwdep_t * hw, struct file * file, struct vm_area_struct * vma); - int (*dsp_status) (snd_hwdep_t * hw, snd_hwdep_dsp_status_t * status); - int (*dsp_load) (snd_hwdep_t * hw, snd_hwdep_dsp_image_t * image); -} snd_hwdep_ops_t; +/* hwdep file ops; all ops can be NULL */ +struct snd_hwdep_ops { + long long (*llseek)(struct snd_hwdep *hw, struct file *file, + long long offset, int orig); + long (*read)(struct snd_hwdep *hw, char __user *buf, + long count, loff_t *offset); + long (*write)(struct snd_hwdep *hw, const char __user *buf, + long count, loff_t *offset); + int (*open)(struct snd_hwdep *hw, struct file * file); + int (*release)(struct snd_hwdep *hw, struct file * file); + unsigned int (*poll)(struct snd_hwdep *hw, struct file *file, + poll_table *wait); + int (*ioctl)(struct snd_hwdep *hw, struct file *file, + unsigned int cmd, unsigned long arg); + int (*ioctl_compat)(struct snd_hwdep *hw, struct file *file, + unsigned int cmd, unsigned long arg); + int (*mmap)(struct snd_hwdep *hw, struct file *file, + struct vm_area_struct *vma); + int (*dsp_status)(struct snd_hwdep *hw, + struct snd_hwdep_dsp_status *status); + int (*dsp_load)(struct snd_hwdep *hw, + struct snd_hwdep_dsp_image *image); +}; -struct _snd_hwdep { - snd_card_t *card; +struct snd_hwdep { + struct snd_card *card; + struct list_head list; int device; char id[32]; char name[80]; int iface; #ifdef CONFIG_SND_OSSEMUL - char oss_dev[32]; int oss_type; int ossreg; #endif - snd_hwdep_ops_t ops; + struct snd_hwdep_ops ops; wait_queue_head_t open_wait; void *private_data; - void (*private_free) (snd_hwdep_t *hwdep); + void (*private_free) (struct snd_hwdep *hwdep); + struct device *dev; + const struct attribute_group **groups; - struct semaphore open_mutex; - int used; - unsigned int dsp_loaded; - unsigned int exclusive: 1; + struct mutex open_mutex; + int used; /* reference counter */ + unsigned int dsp_loaded; /* bit fields of loaded dsp indices */ + unsigned int exclusive:1; /* exclusive access mode */ }; -extern int snd_hwdep_new(snd_card_t * card, char *id, int device, snd_hwdep_t ** rhwdep); +extern int snd_hwdep_new(struct snd_card *card, char *id, int device, + struct snd_hwdep **rhwdep); #endif /* __SOUND_HWDEP_H */ |
