mirror of
https://gitee.com/openharmony/third_party_alsa-lib
synced 2024-11-23 15:39:58 +00:00
47 lines
1.8 KiB
C
47 lines
1.8 KiB
C
/****************************************************************************
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* *
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* hwdep.h *
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* Hardware depedent interface *
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* *
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****************************************************************************/
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/** HwDep information container */
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typedef struct _snd_hwdep_info snd_hwdep_info_t;
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typedef enum _snd_hwdep_iface {
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SND_HWDEP_IFACE_OPL2 = SNDRV_HWDEP_IFACE_OPL2,
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SND_HWDEP_IFACE_OPL3 = SNDRV_HWDEP_IFACE_OPL3,
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SND_HWDEP_IFACE_OPL4 = SNDRV_HWDEP_IFACE_OPL4,
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SND_HWDEP_IFACE_SB16CSP = SNDRV_HWDEP_IFACE_SB16CSP,
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SND_HWDEP_IFACE_EMU10K1 = SNDRV_HWDEP_IFACE_EMU10K1,
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SND_HWDEP_IFACE_YSS225 = SNDRV_HWDEP_IFACE_YSS225,
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SND_HWDEP_IFACE_ICS2115 = SNDRV_HWDEP_IFACE_ICS2115,
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SND_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_LAST,
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} snd_hwdep_iface_t;
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#define SND_HWDEP_OPEN_READ (O_RDONLY)
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#define SND_HWDEP_OPEN_WRITE (O_WRONLY)
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#define SND_HWDEP_OPEN_DUPLEX (O_RDWR)
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#define SND_HWDEP_OPEN_NONBLOCK (O_NONBLOCK)
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/** HwDep handle */
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typedef struct _snd_hwdep snd_hwdep_t;
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#ifdef __cplusplus
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extern "C" {
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#endif
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int snd_hwdep_open(snd_hwdep_t **hwdep, int card, int device, int mode);
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int snd_hwdep_close(snd_hwdep_t *hwdep);
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int snd_hwdep_poll_descriptors(snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int space);
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int snd_hwdep_block_mode(snd_hwdep_t *hwdep, int enable);
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int snd_hwdep_info(snd_hwdep_t *hwdep, snd_hwdep_info_t * info);
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int snd_hwdep_ioctl(snd_hwdep_t *hwdep, unsigned int request, void * arg);
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ssize_t snd_hwdep_write(snd_hwdep_t *hwdep, const void *buffer, size_t size);
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ssize_t snd_hwdep_read(snd_hwdep_t *hwdep, void *buffer, size_t size);
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#ifdef __cplusplus
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}
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#endif
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