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Diffstat (limited to 'include/sound/info.h')
-rw-r--r--include/sound/info.h130
1 files changed, 68 insertions, 62 deletions
diff --git a/include/sound/info.h b/include/sound/info.h
index 8ea5c7497c0..9ca1a493d37 100644
--- a/include/sound/info.h
+++ b/include/sound/info.h
@@ -3,7 +3,7 @@
/*
* Header file for info interface
- * 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
@@ -27,9 +27,9 @@
/* buffer for information */
struct snd_info_buffer {
char *buffer; /* pointer to begin of buffer */
- char *curr; /* current position in buffer */
- unsigned long size; /* current size */
- unsigned long len; /* total length of buffer */
+ unsigned int curr; /* current position in buffer */
+ unsigned int size; /* current size */
+ unsigned int len; /* total length of buffer */
int stop; /* stop flag */
int error; /* error code */
};
@@ -40,40 +40,41 @@ struct snd_info_buffer {
struct snd_info_entry;
struct snd_info_entry_text {
- unsigned long read_size;
- unsigned long write_size;
- void (*read) (struct snd_info_entry *entry, struct snd_info_buffer *buffer);
- void (*write) (struct snd_info_entry *entry, struct snd_info_buffer *buffer);
+ void (*read)(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer);
+ void (*write)(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer);
};
struct snd_info_entry_ops {
- int (*open) (struct snd_info_entry *entry,
- unsigned short mode, void **file_private_data);
- int (*release) (struct snd_info_entry * entry,
- unsigned short mode, void *file_private_data);
- long (*read) (struct snd_info_entry *entry, void *file_private_data,
- struct file * file, char __user *buf,
- unsigned long count, unsigned long pos);
- long (*write) (struct snd_info_entry *entry, void *file_private_data,
- struct file * file, const char __user *buf,
- unsigned long count, unsigned long pos);
- long long (*llseek) (struct snd_info_entry *entry, void *file_private_data,
- struct file * file, long long offset, int orig);
- unsigned int (*poll) (struct snd_info_entry *entry, void *file_private_data,
- struct file * file, poll_table * wait);
- int (*ioctl) (struct snd_info_entry *entry, void *file_private_data,
- struct file * file, unsigned int cmd, unsigned long arg);
- int (*mmap) (struct snd_info_entry *entry, void *file_private_data,
- struct inode * inode, struct file * file,
- struct vm_area_struct * vma);
+ int (*open)(struct snd_info_entry *entry,
+ unsigned short mode, void **file_private_data);
+ int (*release)(struct snd_info_entry *entry,
+ unsigned short mode, void *file_private_data);
+ ssize_t (*read)(struct snd_info_entry *entry, void *file_private_data,
+ struct file *file, char __user *buf,
+ size_t count, loff_t pos);
+ ssize_t (*write)(struct snd_info_entry *entry, void *file_private_data,
+ struct file *file, const char __user *buf,
+ size_t count, loff_t pos);
+ loff_t (*llseek)(struct snd_info_entry *entry,
+ void *file_private_data, struct file *file,
+ loff_t offset, int orig);
+ unsigned int (*poll)(struct snd_info_entry *entry,
+ void *file_private_data, struct file *file,
+ poll_table *wait);
+ int (*ioctl)(struct snd_info_entry *entry, void *file_private_data,
+ struct file *file, unsigned int cmd, unsigned long arg);
+ int (*mmap)(struct snd_info_entry *entry, void *file_private_data,
+ struct inode *inode, struct file *file,
+ struct vm_area_struct *vma);
};
struct snd_info_entry {
const char *name;
- mode_t mode;
+ umode_t mode;
long size;
unsigned short content;
- unsigned short disconnected: 1;
union {
struct snd_info_entry_text text;
struct snd_info_entry_ops *ops;
@@ -84,7 +85,9 @@ struct snd_info_entry {
void *private_data;
void (*private_free)(struct snd_info_entry *entry);
struct proc_dir_entry *p;
- struct semaphore access;
+ struct mutex access;
+ struct list_head children;
+ struct list_head list;
};
#if defined(CONFIG_SND_OSSEMUL) && defined(CONFIG_PROC_FS)
@@ -101,42 +104,45 @@ int snd_info_minor_unregister(void);
extern struct snd_info_entry *snd_seq_root;
#ifdef CONFIG_SND_OSSEMUL
extern struct snd_info_entry *snd_oss_root;
+void snd_card_info_read_oss(struct snd_info_buffer *buffer);
#else
#define snd_oss_root NULL
+static inline void snd_card_info_read_oss(struct snd_info_buffer *buffer) {}
#endif
-int snd_iprintf(struct snd_info_buffer * buffer, char *fmt,...) __attribute__ ((format (printf, 2, 3)));
+__printf(2, 3)
+int snd_iprintf(struct snd_info_buffer *buffer, const char *fmt, ...);
int snd_info_init(void);
int snd_info_done(void);
-int snd_info_get_line(struct snd_info_buffer * buffer, char *line, int len);
-char *snd_info_get_str(char *dest, char *src, int len);
-struct snd_info_entry *snd_info_create_module_entry(struct module * module,
+int snd_info_get_line(struct snd_info_buffer *buffer, char *line, int len);
+const char *snd_info_get_str(char *dest, const char *src, int len);
+struct snd_info_entry *snd_info_create_module_entry(struct module *module,
const char *name,
- struct snd_info_entry * parent);
-struct snd_info_entry *snd_info_create_card_entry(struct snd_card * card,
+ struct snd_info_entry *parent);
+struct snd_info_entry *snd_info_create_card_entry(struct snd_card *card,
const char *name,
- struct snd_info_entry * parent);
-void snd_info_free_entry(struct snd_info_entry * entry);
-int snd_info_store_text(struct snd_info_entry * entry);
-int snd_info_restore_text(struct snd_info_entry * entry);
-
-int snd_info_card_create(struct snd_card * card);
-int snd_info_card_register(struct snd_card * card);
-int snd_info_card_free(struct snd_card * card);
-int snd_info_register(struct snd_info_entry * entry);
-int snd_info_unregister(struct snd_info_entry * entry);
+ struct snd_info_entry *parent);
+void snd_info_free_entry(struct snd_info_entry *entry);
+int snd_info_store_text(struct snd_info_entry *entry);
+int snd_info_restore_text(struct snd_info_entry *entry);
+
+int snd_info_card_create(struct snd_card *card);
+int snd_info_card_register(struct snd_card *card);
+int snd_info_card_free(struct snd_card *card);
+void snd_info_card_disconnect(struct snd_card *card);
+void snd_info_card_id_change(struct snd_card *card);
+int snd_info_register(struct snd_info_entry *entry);
/* for card drivers */
-int snd_card_proc_new(struct snd_card *card, const char *name, struct snd_info_entry **entryp);
+int snd_card_proc_new(struct snd_card *card, const char *name,
+ struct snd_info_entry **entryp);
static inline void snd_info_set_text_ops(struct snd_info_entry *entry,
- void *private_data,
- long read_size,
- void (*read)(struct snd_info_entry *, struct snd_info_buffer *))
+ void *private_data,
+ void (*read)(struct snd_info_entry *, struct snd_info_buffer *))
{
entry->private_data = private_data;
- entry->c.text.read_size = read_size;
entry->c.text.read = read;
}
@@ -147,27 +153,27 @@ int snd_info_check_reserved_words(const char *str);
#define snd_seq_root NULL
#define snd_oss_root NULL
-static inline int snd_iprintf(struct snd_info_buffer * buffer, char *fmt,...) { return 0; }
+static inline int snd_iprintf(struct snd_info_buffer *buffer, char *fmt, ...) { return 0; }
static inline int snd_info_init(void) { return 0; }
static inline int snd_info_done(void) { return 0; }
-static inline int snd_info_get_line(struct snd_info_buffer * buffer, char *line, int len) { return 0; }
+static inline int snd_info_get_line(struct snd_info_buffer *buffer, char *line, int len) { return 0; }
static inline char *snd_info_get_str(char *dest, char *src, int len) { return NULL; }
-static inline struct snd_info_entry *snd_info_create_module_entry(struct module * module, const char *name, struct snd_info_entry * parent) { return NULL; }
-static inline struct snd_info_entry *snd_info_create_card_entry(struct snd_card * card, const char *name, struct snd_info_entry * parent) { return NULL; }
-static inline void snd_info_free_entry(struct snd_info_entry * entry) { ; }
+static inline struct snd_info_entry *snd_info_create_module_entry(struct module *module, const char *name, struct snd_info_entry *parent) { return NULL; }
+static inline struct snd_info_entry *snd_info_create_card_entry(struct snd_card *card, const char *name, struct snd_info_entry *parent) { return NULL; }
+static inline void snd_info_free_entry(struct snd_info_entry *entry) { ; }
-static inline int snd_info_card_create(struct snd_card * card) { return 0; }
-static inline int snd_info_card_register(struct snd_card * card) { return 0; }
-static inline int snd_info_card_free(struct snd_card * card) { return 0; }
-static inline int snd_info_register(struct snd_info_entry * entry) { return 0; }
-static inline int snd_info_unregister(struct snd_info_entry * entry) { return 0; }
+static inline int snd_info_card_create(struct snd_card *card) { return 0; }
+static inline int snd_info_card_register(struct snd_card *card) { return 0; }
+static inline int snd_info_card_free(struct snd_card *card) { return 0; }
+static inline void snd_info_card_disconnect(struct snd_card *card) { }
+static inline void snd_info_card_id_change(struct snd_card *card) { }
+static inline int snd_info_register(struct snd_info_entry *entry) { return 0; }
static inline int snd_card_proc_new(struct snd_card *card, const char *name,
struct snd_info_entry **entryp) { return -EINVAL; }
static inline void snd_info_set_text_ops(struct snd_info_entry *entry __attribute__((unused)),
void *private_data,
- long read_size,
void (*read)(struct snd_info_entry *, struct snd_info_buffer *)) {}
static inline int snd_info_check_reserved_words(const char *str) { return 1; }
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 19:57:11 +0000