diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/sound/pcm.h | 56 | ||||
| -rw-r--r-- | include/uapi/sound/asound.h | 6 |
2 files changed, 60 insertions, 2 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h index cb407fade933..5a31525e2df6 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -44,6 +44,7 @@ struct snd_pcm_hardware { size_t fifo_size; /* fifo size in bytes */ }; +struct snd_pcm_status64; struct snd_pcm_substream; struct snd_pcm_audio_tstamp_config; /* definitions further down */ @@ -558,8 +559,8 @@ int snd_pcm_notify(struct snd_pcm_notify *notify, int nfree); int snd_pcm_info(struct snd_pcm_substream *substream, struct snd_pcm_info *info); int snd_pcm_info_user(struct snd_pcm_substream *substream, struct snd_pcm_info __user *info); -int snd_pcm_status(struct snd_pcm_substream *substream, - struct snd_pcm_status *status); +int snd_pcm_status64(struct snd_pcm_substream *substream, + struct snd_pcm_status64 *status); int snd_pcm_start(struct snd_pcm_substream *substream); int snd_pcm_stop(struct snd_pcm_substream *substream, snd_pcm_state_t status); int snd_pcm_drain_done(struct snd_pcm_substream *substream); @@ -1422,4 +1423,55 @@ static inline u64 pcm_format_to_bits(snd_pcm_format_t pcm_format) #define pcm_dbg(pcm, fmt, args...) \ dev_dbg((pcm)->card->dev, fmt, ##args) +struct snd_pcm_status64 { + snd_pcm_state_t state; /* stream state */ + u8 rsvd[4]; + s64 trigger_tstamp_sec; /* time when stream was started/stopped/paused */ + s64 trigger_tstamp_nsec; + s64 tstamp_sec; /* reference timestamp */ + s64 tstamp_nsec; + snd_pcm_uframes_t appl_ptr; /* appl ptr */ + snd_pcm_uframes_t hw_ptr; /* hw ptr */ + snd_pcm_sframes_t delay; /* current delay in frames */ + snd_pcm_uframes_t avail; /* number of frames available */ + snd_pcm_uframes_t avail_max; /* max frames available on hw since last status */ + snd_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */ + snd_pcm_state_t suspended_state; /* suspended stream state */ + __u32 audio_tstamp_data; /* needed for 64-bit alignment, used for configs/report to/from userspace */ + s64 audio_tstamp_sec; /* sample counter, wall clock, PHC or on-demand sync'ed */ + s64 audio_tstamp_nsec; + s64 driver_tstamp_sec; /* useful in case reference system tstamp is reported with delay */ + s64 driver_tstamp_nsec; + __u32 audio_tstamp_accuracy; /* in ns units, only valid if indicated in audio_tstamp_data */ + unsigned char reserved[52-4*sizeof(s64)]; /* must be filled with zero */ +}; + +#define SNDRV_PCM_IOCTL_STATUS64 _IOR('A', 0x20, struct snd_pcm_status64) +#define SNDRV_PCM_IOCTL_STATUS_EXT64 _IOWR('A', 0x24, struct snd_pcm_status64) + +struct snd_pcm_status32 { + s32 state; /* stream state */ + s32 trigger_tstamp_sec; /* time when stream was started/stopped/paused */ + s32 trigger_tstamp_nsec; + s32 tstamp_sec; /* reference timestamp */ + s32 tstamp_nsec; + u32 appl_ptr; /* appl ptr */ + u32 hw_ptr; /* hw ptr */ + s32 delay; /* current delay in frames */ + u32 avail; /* number of frames available */ + u32 avail_max; /* max frames available on hw since last status */ + u32 overrange; /* count of ADC (capture) overrange detections from last status */ + s32 suspended_state; /* suspended stream state */ + u32 audio_tstamp_data; /* needed for 64-bit alignment, used for configs/report to/from userspace */ + s32 audio_tstamp_sec; /* sample counter, wall clock, PHC or on-demand sync'ed */ + s32 audio_tstamp_nsec; + s32 driver_tstamp_sec; /* useful in case reference system tstamp is reported with delay */ + s32 driver_tstamp_nsec; + u32 audio_tstamp_accuracy; /* in ns units, only valid if indicated in audio_tstamp_data */ + unsigned char reserved[52-4*sizeof(s32)]; /* must be filled with zero */ +}; + +#define SNDRV_PCM_IOCTL_STATUS32 _IOR('A', 0x20, struct snd_pcm_status32) +#define SNDRV_PCM_IOCTL_STATUS_EXT32 _IOWR('A', 0x24, struct snd_pcm_status32) + #endif /* __SOUND_PCM_H */ diff --git a/include/uapi/sound/asound.h b/include/uapi/sound/asound.h index 40a23d8418fe..d2c88c098b20 100644 --- a/include/uapi/sound/asound.h +++ b/include/uapi/sound/asound.h @@ -456,8 +456,13 @@ enum { SNDRV_PCM_AUDIO_TSTAMP_TYPE_LAST = SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED }; +#ifndef __KERNEL__ +/* explicit padding avoids incompatibility between i386 and x86-64 */ +typedef struct { unsigned char pad[sizeof(time_t) - sizeof(int)] __time_pad; + struct snd_pcm_status { snd_pcm_state_t state; /* stream state */ + __time_pad pad1; /* align to timespec */ struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */ struct timespec tstamp; /* reference timestamp */ snd_pcm_uframes_t appl_ptr; /* appl ptr */ @@ -473,6 +478,7 @@ struct snd_pcm_status { __u32 audio_tstamp_accuracy; /* in ns units, only valid if indicated in audio_tstamp_data */ unsigned char reserved[52-2*sizeof(struct timespec)]; /* must be filled with zero */ }; +#endif struct snd_pcm_mmap_status { snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */ |
