mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-10-29 05:40:25 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Recoded hwdep API to follow modern conf style.

Browse source 
Added hwdep configuration to alsa.conf.
Added documentation for hwdep interface.
This commit is contained in:
Jaroslav Kysela 2001-07-13 10:00:19 +00:00
parent daebb1d1f0
commit d02979784f
7 changed files with 683 additions and 172 deletions
Download patch file Download diff file Expand all files Collapse all files

36
include/hwdep.h
View file

@ -14,22 +14,37 @@
/** HwDep information container */
typedef struct _snd_hwdep_info snd_hwdep_info_t;
/** HwDep interface */
typedef enum _snd_hwdep_iface {
SND_HWDEP_IFACE_OPL2 = SNDRV_HWDEP_IFACE_OPL2,
SND_HWDEP_IFACE_OPL3 = SNDRV_HWDEP_IFACE_OPL3,
SND_HWDEP_IFACE_OPL4 = SNDRV_HWDEP_IFACE_OPL4,
SND_HWDEP_IFACE_SB16CSP = SNDRV_HWDEP_IFACE_SB16CSP,
SND_HWDEP_IFACE_EMU10K1 = SNDRV_HWDEP_IFACE_EMU10K1,
SND_HWDEP_IFACE_YSS225 = SNDRV_HWDEP_IFACE_YSS225,
SND_HWDEP_IFACE_ICS2115 = SNDRV_HWDEP_IFACE_ICS2115,
SND_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_LAST,
SND_HWDEP_IFACE_OPL2 = SNDRV_HWDEP_IFACE_OPL2, /**< OPL2 raw driver */
SND_HWDEP_IFACE_OPL3 = SNDRV_HWDEP_IFACE_OPL3, /**< OPL3 raw driver */
SND_HWDEP_IFACE_OPL4 = SNDRV_HWDEP_IFACE_OPL4, /**< OPL4 raw driver */
SND_HWDEP_IFACE_SB16CSP = SNDRV_HWDEP_IFACE_SB16CSP, /**< SB16CSP driver */
SND_HWDEP_IFACE_EMU10K1 = SNDRV_HWDEP_IFACE_EMU10K1, /**< EMU10K1 driver */
SND_HWDEP_IFACE_YSS225 = SNDRV_HWDEP_IFACE_YSS225, /**< YSS225 driver */
SND_HWDEP_IFACE_ICS2115 = SNDRV_HWDEP_IFACE_ICS2115, /**< ICS2115 driver */
SND_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_LAST, /**< last know hwdep interface */
} snd_hwdep_iface_t;
/** open for reading */
#define SND_HWDEP_OPEN_READ (O_RDONLY)
/** open for writing */
#define SND_HWDEP_OPEN_WRITE (O_WRONLY)
/** open for reading and writing */
#define SND_HWDEP_OPEN_DUPLEX (O_RDWR)
/** flag: open in nonblock mode */
#define SND_HWDEP_OPEN_NONBLOCK (O_NONBLOCK)
/** HwDep handle type */
typedef enum _snd_hwdep_type {
/** Kernel level HwDep */
SND_HWDEP_TYPE_HW,
/** Shared memory client HwDep (not yet implemented) */
SND_HWDEP_TYPE_SHM,
/** INET client HwDep (not yet implemented) */
SND_HWDEP_TYPE_INET,
} snd_hwdep_type_t;
/** HwDep handle */
typedef struct _snd_hwdep snd_hwdep_t;
@ -37,16 +52,17 @@ typedef struct _snd_hwdep snd_hwdep_t;
extern "C" {
#endif
int snd_hwdep_open(snd_hwdep_t **hwdep, int card, int device, int mode);
int snd_hwdep_open(snd_hwdep_t **hwdep, const char *name, int mode);
int snd_hwdep_close(snd_hwdep_t *hwdep);
int snd_hwdep_poll_descriptors(snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int space);
int snd_hwdep_block_mode(snd_hwdep_t *hwdep, int enable);
int snd_hwdep_nonblock(snd_hwdep_t *hwdep, int nonblock);
int snd_hwdep_info(snd_hwdep_t *hwdep, snd_hwdep_info_t * info);
int snd_hwdep_ioctl(snd_hwdep_t *hwdep, unsigned int request, void * arg);
ssize_t snd_hwdep_write(snd_hwdep_t *hwdep, const void *buffer, size_t size);
ssize_t snd_hwdep_read(snd_hwdep_t *hwdep, void *buffer, size_t size);
size_t snd_hwdep_info_sizeof(void);
/** allocate #snd_hwdep_info_t container on stack */
#define snd_hwdep_info_alloca(ptr) do { assert(ptr); *ptr = (snd_hwdep_info_t *) alloca(snd_hwdep_info_sizeof()); memset(*ptr, 0, snd_hwdep_info_sizeof()); } while (0)
int snd_hwdep_info_malloc(snd_hwdep_info_t **ptr);
void snd_hwdep_info_free(snd_hwdep_info_t *obj);