#ifndef __SOUND_INFO_H #define __SOUND_INFO_H /* * Header file for info interface * Copyright (c) by Jaroslav Kysela <perex@perex.cz> * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #include <linux/poll.h> #include <linux/seq_file.h> #include <sound/core.h> /* buffer for information */ struct snd_info_buffer { char *buffer; /* pointer to begin 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 */ }; #define SNDRV_INFO_CONTENT_TEXT 0 #define SNDRV_INFO_CONTENT_DATA 1 struct snd_info_entry; struct snd_info_entry_text { 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); 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; umode_t mode; long size; unsigned short content; union { struct snd_info_entry_text text; struct snd_info_entry_ops *ops; } c; struct snd_info_entry *parent; struct snd_card *card; struct module *module; void *private_data; void (*private_free)(struct snd_info_entry *entry); struct proc_dir_entry *p; struct mutex access; struct list_head children; struct list_head list; }; #if defined(CONFIG_SND_OSSEMUL) && defined(CONFIG_SND_PROC_FS) int snd_info_minor_register(void); #else #define snd_info_minor_register() 0 #endif #ifdef CONFIG_SND_PROC_FS 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 /** * snd_iprintf - printf on the procfs buffer * @buf: the procfs buffer * @fmt: the printf format * * Outputs the string on the procfs buffer just like printf(). * * Return: zero for success, or a negative error code. */ #define snd_iprintf(buf, fmt, args...) \ seq_printf((struct seq_file *)(buf)->buffer, fmt, ##args) int snd_info_init(void); int snd_info_done(void); 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, 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); 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 */ static inline int snd_card_proc_new(struct snd_card *card, const char *name, struct snd_info_entry **entryp) { *entryp = snd_info_create_card_entry(card, name, card->proc_root); return *entryp ? 0 : -ENOMEM; } static inline void snd_info_set_text_ops(struct snd_info_entry *entry, void *private_data, void (*read)(struct snd_info_entry *, struct snd_info_buffer *)) { entry->private_data = private_data; entry->c.text.read = read; } int snd_info_check_reserved_words(const char *str); #else #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_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 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 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, void (*read)(struct snd_info_entry *, struct snd_info_buffer *)) {} static inline int snd_info_check_reserved_words(const char *str) { return 1; } #endif /* * OSS info part */ #if defined(CONFIG_SND_OSSEMUL) && defined(CONFIG_SND_PROC_FS) #define SNDRV_OSS_INFO_DEV_AUDIO 0 #define SNDRV_OSS_INFO_DEV_SYNTH 1 #define SNDRV_OSS_INFO_DEV_MIDI 2 #define SNDRV_OSS_INFO_DEV_TIMERS 4 #define SNDRV_OSS_INFO_DEV_MIXERS 5 #define SNDRV_OSS_INFO_DEV_COUNT 6 int snd_oss_info_register(int dev, int num, char *string); #define snd_oss_info_unregister(dev, num) snd_oss_info_register(dev, num, NULL) #endif /* CONFIG_SND_OSSEMUL && CONFIG_SND_PROC_FS */ #endif /* __SOUND_INFO_H */
Name | Type | Size | Permission | Actions |
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ac97 | Folder | 0755 |
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ac97_codec.h | File | 16.34 KB | 0644 |
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aci.h | File | 2.4 KB | 0644 |
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ad1816a.h | File | 5.38 KB | 0644 |
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ad1843.h | File | 1.48 KB | 0644 |
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adau1373.h | File | 699 B | 0644 |
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aess.h | File | 1.63 KB | 0644 |
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ak4113.h | File | 10.89 KB | 0644 |
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ak4114.h | File | 10.22 KB | 0644 |
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ak4117.h | File | 9.02 KB | 0644 |
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ak4531_codec.h | File | 3.1 KB | 0644 |
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ak4641.h | File | 622 B | 0644 |
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ak4xxx-adda.h | File | 3.34 KB | 0644 |
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alc5623.h | File | 536 B | 0644 |
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asequencer.h | File | 3.58 KB | 0644 |
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asound.h | File | 1.25 KB | 0644 |
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asoundef.h | File | 16.7 KB | 0644 |
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compress_driver.h | File | 6.93 KB | 0644 |
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control.h | File | 8.84 KB | 0644 |
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core.h | File | 13.84 KB | 0644 |
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cs35l33.h | File | 1.01 KB | 0644 |
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cs35l34.h | File | 887 B | 0644 |
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cs35l35.h | File | 2.36 KB | 0644 |
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cs4231-regs.h | File | 8.28 KB | 0644 |
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cs4271.h | File | 1.38 KB | 0644 |
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cs42l52.h | File | 738 B | 0644 |
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cs42l56.h | File | 1.16 KB | 0644 |
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cs42l73.h | File | 507 B | 0644 |
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cs8403.h | File | 8.63 KB | 0644 |
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cs8427.h | File | 10.4 KB | 0644 |
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da7213.h | File | 1.15 KB | 0644 |
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da7218.h | File | 2.62 KB | 0644 |
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da7219-aad.h | File | 2.42 KB | 0644 |
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da7219.h | File | 1.04 KB | 0644 |
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da9055.h | File | 914 B | 0644 |
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designware_i2s.h | File | 2.25 KB | 0644 |
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dmaengine_pcm.h | File | 6.22 KB | 0644 |
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emu10k1.h | File | 89.25 KB | 0644 |
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emu10k1_synth.h | File | 1.35 KB | 0644 |
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emu8000.h | File | 4.01 KB | 0644 |
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emu8000_reg.h | File | 10.21 KB | 0644 |
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emux_legacy.h | File | 5.37 KB | 0644 |
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emux_synth.h | File | 7.46 KB | 0644 |
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es1688.h | File | 3.53 KB | 0644 |
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gus.h | File | 20.21 KB | 0644 |
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hda_chmap.h | File | 2.6 KB | 0644 |
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hda_hwdep.h | File | 1.38 KB | 0644 |
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hda_i915.h | File | 1.64 KB | 0644 |
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hda_register.h | File | 10 KB | 0644 |
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hda_regmap.h | File | 6.59 KB | 0644 |
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hda_verbs.h | File | 16.81 KB | 0644 |
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hdaudio.h | File | 18.39 KB | 0644 |
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hdaudio_ext.h | File | 6.99 KB | 0644 |
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hdmi-codec.h | File | 2.42 KB | 0644 |
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hwdep.h | File | 2.56 KB | 0644 |
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i2c.h | File | 3.47 KB | 0644 |
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info.h | File | 7.41 KB | 0644 |
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initval.h | File | 3.08 KB | 0644 |
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jack.h | File | 3.75 KB | 0644 |
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l3.h | File | 524 B | 0644 |
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max9768.h | File | 729 B | 0644 |
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max98088.h | File | 1.26 KB | 0644 |
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max98090.h | File | 754 B | 0644 |
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max98095.h | File | 1.54 KB | 0644 |
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memalloc.h | File | 4.41 KB | 0644 |
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minors.h | File | 4.33 KB | 0644 |
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mixer_oss.h | File | 2.41 KB | 0644 |
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mpu401.h | File | 4.49 KB | 0644 |
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omap-hdmi-audio.h | File | 1.34 KB | 0644 |
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omap-pcm.h | File | 864 B | 0644 |
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opl3.h | File | 12.31 KB | 0644 |
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opl4.h | File | 1.1 KB | 0644 |
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pcm-indirect.h | File | 5.7 KB | 0644 |
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pcm.h | File | 47.51 KB | 0644 |
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pcm_drm_eld.h | File | 183 B | 0644 |
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pcm_iec958.h | File | 332 B | 0644 |
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pcm_oss.h | File | 2.69 KB | 0644 |
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pcm_params.h | File | 9.03 KB | 0644 |
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pt2258.h | File | 1.18 KB | 0644 |
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pxa2xx-lib.h | File | 1.48 KB | 0644 |
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rawmidi.h | File | 6.17 KB | 0644 |
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rt286.h | File | 460 B | 0644 |
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rt298.h | File | 519 B | 0644 |
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rt5514.h | File | 478 B | 0644 |
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rt5640.h | File | 648 B | 0644 |
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rt5645.h | File | 738 B | 0644 |
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rt5651.h | File | 581 B | 0644 |
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rt5659.h | File | 1003 B | 0644 |
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rt5660.h | File | 724 B | 0644 |
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rt5663.h | File | 622 B | 0644 |
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rt5665.h | File | 907 B | 0644 |
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rt5670.h | File | 679 B | 0644 |
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s3c24xx_uda134x.h | File | 229 B | 0644 |
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sb.h | File | 10.98 KB | 0644 |
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sb16_csp.h | File | 2.71 KB | 0644 |
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seq_device.h | File | 2.79 KB | 0644 |
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seq_kernel.h | File | 3.96 KB | 0644 |
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seq_midi_emul.h | File | 7.26 KB | 0644 |
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seq_midi_event.h | File | 2.17 KB | 0644 |
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seq_oss.h | File | 2.86 KB | 0644 |
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seq_oss_legacy.h | File | 1 KB | 0644 |
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seq_virmidi.h | File | 2.73 KB | 0644 |
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sh_dac_audio.h | File | 587 B | 0644 |
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sh_fsi.h | File | 847 B | 0644 |
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simple_card.h | File | 683 B | 0644 |
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simple_card_utils.h | File | 3.96 KB | 0644 |
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snd_wavefront.h | File | 5.57 KB | 0644 |
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soc-acpi-intel-match.h | File | 1.1 KB | 0644 |
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soc-acpi.h | File | 3.6 KB | 0644 |
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soc-dai.h | File | 11.13 KB | 0644 |
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soc-dapm.h | File | 30.87 KB | 0644 |
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soc-dpcm.h | File | 4.73 KB | 0644 |
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soc-topology.h | File | 5.71 KB | 0644 |
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soc.h | File | 63.47 KB | 0644 |
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soundfont.h | File | 4.48 KB | 0644 |
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spear_dma.h | File | 1003 B | 0644 |
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spear_spdif.h | File | 1010 B | 0644 |
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sta32x.h | File | 1.2 KB | 0644 |
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sta350.h | File | 1.65 KB | 0644 |
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tas2552-plat.h | File | 678 B | 0644 |
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tas5086.h | File | 210 B | 0644 |
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tea6330t.h | File | 1.14 KB | 0644 |
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timer.h | File | 5.56 KB | 0644 |
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tlv.h | File | 2.27 KB | 0644 |
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tlv320aic32x4.h | File | 1.43 KB | 0644 |
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tlv320aic3x.h | File | 1.88 KB | 0644 |
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tlv320dac33-plat.h | File | 720 B | 0644 |
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tpa6130a2-plat.h | File | 900 B | 0644 |
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uda134x.h | File | 597 B | 0644 |
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uda1380.h | File | 481 B | 0644 |
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util_mem.h | File | 2.26 KB | 0644 |
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vx_core.h | File | 15.34 KB | 0644 |
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wavefront.h | File | 18.76 KB | 0644 |
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wm0010.h | File | 679 B | 0644 |
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wm1250-ev1.h | File | 656 B | 0644 |
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wm2000.h | File | 625 B | 0644 |
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wm2200.h | File | 1.46 KB | 0644 |
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wm5100.h | File | 1.25 KB | 0644 |
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wm8903.h | File | 15.16 KB | 0644 |
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wm8904.h | File | 7.43 KB | 0644 |
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wm8955.h | File | 662 B | 0644 |
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wm8960.h | File | 603 B | 0644 |
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wm8962.h | File | 1.8 KB | 0644 |
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wm8993.h | File | 1.19 KB | 0644 |
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wm8996.h | File | 1.4 KB | 0644 |
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wm9081.h | File | 661 B | 0644 |
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wm9090.h | File | 780 B | 0644 |
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wss.h | File | 8.44 KB | 0644 |
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