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Searched refs:hw_ptr (Results 1 – 25 of 31) sorted by relevance

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/openbmc/linux/drivers/media/usb/go7007/
H A Dsnd-go7007.c41 int hw_ptr; member
72 gosnd->hw_ptr += frames; in parse_audio_stream_data()
73 if (gosnd->hw_ptr >= runtime->buffer_size) in parse_audio_stream_data()
74 gosnd->hw_ptr -= runtime->buffer_size; in parse_audio_stream_data()
159 gosnd->hw_ptr = gosnd->w_idx = gosnd->avail = 0; in go7007_snd_pcm_trigger()
172 return gosnd->hw_ptr; in go7007_snd_pcm_pointer()
214 gosnd->hw_ptr = gosnd->w_idx = gosnd->avail = 0; in go7007_snd_init()
/openbmc/linux/sound/soc/mediatek/common/
H A Dmtk-afe-platform-driver.c91 unsigned int hw_ptr = 0, hw_base = 0; in mtk_afe_pcm_pointer() local
94 ret = regmap_read(regmap, reg_ofs_cur, &hw_ptr); in mtk_afe_pcm_pointer()
95 if (ret || hw_ptr == 0) { in mtk_afe_pcm_pointer()
108 pcm_ptr_bytes = hw_ptr - hw_base; in mtk_afe_pcm_pointer()
/openbmc/linux/sound/core/
H A Dpcm_compat.c166 u32 hw_ptr; member
213 .hw_ptr = status.hw_ptr, in snd_pcm_status_user_compat64()
387 u32 hw_ptr; member
455 sstatus.hw_ptr = status->hw_ptr % boundary; in snd_pcm_ioctl_sync_ptr_x32()
463 put_user(sstatus.hw_ptr, &src->s.status.hw_ptr) || in snd_pcm_ioctl_sync_ptr_x32()
537 sync_ptr.s.status.hw_ptr = status->hw_ptr; in snd_pcm_ioctl_sync_ptr_buggy()
H A Drawmidi.c185 runtime->appl_ptr = runtime->hw_ptr = 0; in snd_rawmidi_runtime_create()
234 runtime->appl_ptr = runtime->hw_ptr = 0; in __reset_runtime_ptrs()
1112 if (snd_BUG_ON((runtime->hw_ptr & 0x1f) != 0)) in receive_with_tstamp_framing()
1131 dest_ptr = (struct snd_rawmidi_framing_tstamp *) (runtime->buffer + runtime->hw_ptr); in receive_with_tstamp_framing()
1134 runtime->hw_ptr += frame_size; in receive_with_tstamp_framing()
1135 runtime->hw_ptr %= runtime->buffer_size; in receive_with_tstamp_framing()
1198 runtime->buffer[runtime->hw_ptr++] = buffer[0]; in snd_rawmidi_receive()
1199 runtime->hw_ptr %= runtime->buffer_size; in snd_rawmidi_receive()
1207 count1 = runtime->buffer_size - runtime->hw_ptr; in snd_rawmidi_receive()
1215 memcpy(runtime->buffer + runtime->hw_ptr, buffer, count1); in snd_rawmidi_receive()
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H A Dpcm_trace.h35 __entry->old_hw_ptr = (substream)->runtime->status->hw_ptr;
70 __entry->old_hw_ptr = (substream)->runtime->status->hw_ptr;
H A Dpcm_lib.c76 new_hw_ptr = runtime->status->hw_ptr; in snd_pcm_playback_silence()
93 snd_pcm_uframes_t hw_ptr = runtime->status->hw_ptr; in snd_pcm_playback_silence() local
101 snd_pcm_sframes_t avail = runtime->control->appl_ptr - hw_ptr; in snd_pcm_playback_silence()
110 runtime->silence_start = hw_ptr; in snd_pcm_playback_silence()
113 update_silence_vars(runtime, hw_ptr, new_hw_ptr); in snd_pcm_playback_silence()
253 audio_frames = runtime->hw_ptr_wrap + runtime->status->hw_ptr; in update_audio_tstamp()
296 old_hw_ptr = runtime->status->hw_ptr; in snd_pcm_update_hw_ptr0()
461 if (runtime->status->hw_ptr == new_hw_ptr) { in snd_pcm_update_hw_ptr0()
481 runtime->status->hw_ptr = new_hw_ptr; in snd_pcm_update_hw_ptr0()
1717 runtime->status->hw_ptr %= runtime->buffer_size; in snd_pcm_lib_ioctl_reset()
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H A Dpcm_native.c1056 status->hw_ptr = runtime->status->hw_ptr; in snd_pcm_status64()
1122 .hw_ptr = status64.hw_ptr, in snd_pcm_status_user32()
1901 runtime->hw_ptr_interrupt = runtime->status->hw_ptr - in snd_pcm_do_reset()
1902 runtime->status->hw_ptr % runtime->period_size; in snd_pcm_do_reset()
1903 runtime->silence_start = runtime->status->hw_ptr; in snd_pcm_do_reset()
1914 runtime->control->appl_ptr = runtime->status->hw_ptr; in snd_pcm_post_reset()
1967 runtime->control->appl_ptr = runtime->status->hw_ptr; in snd_pcm_post_prepare()
3073 sync_ptr.s.status.hw_ptr = status->hw_ptr; in snd_pcm_sync_ptr()
3088 u32 hw_ptr; member
3171 sstatus.hw_ptr = status->hw_ptr % boundary; in snd_pcm_ioctl_sync_ptr_compat()
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/openbmc/linux/sound/virtio/
H A Dvirtio_pcm_ops.c284 vss->hw_ptr = 0; in virtsnd_pcm_prepare()
442 snd_pcm_uframes_t hw_ptr = SNDRV_PCM_POS_XRUN; in virtsnd_pcm_pointer() local
447 hw_ptr = bytes_to_frames(substream->runtime, vss->hw_ptr); in virtsnd_pcm_pointer()
450 return hw_ptr; in virtsnd_pcm_pointer()
H A Dvirtio_pcm_msg.c305 vss->hw_ptr += msg->length; in virtsnd_pcm_msg_complete()
307 vss->hw_ptr += written_bytes - sizeof(msg->status); in virtsnd_pcm_msg_complete()
309 if (vss->hw_ptr >= vss->buffer_bytes) in virtsnd_pcm_msg_complete()
310 vss->hw_ptr -= vss->buffer_bytes; in virtsnd_pcm_msg_complete()
H A Dvirtio_pcm.h53 size_t hw_ptr; member
/openbmc/linux/drivers/usb/gadget/function/
H A Du_audio.c46 ssize_t hw_ptr; member
152 unsigned int hw_ptr; in u_audio_iso_complete() local
242 hw_ptr = prm->hw_ptr; in u_audio_iso_complete()
245 pending = runtime->dma_bytes - hw_ptr; in u_audio_iso_complete()
249 memcpy(req->buf, runtime->dma_area + hw_ptr, pending); in u_audio_iso_complete()
253 memcpy(req->buf, runtime->dma_area + hw_ptr, in u_audio_iso_complete()
258 memcpy(runtime->dma_area + hw_ptr, req->buf, pending); in u_audio_iso_complete()
262 memcpy(runtime->dma_area + hw_ptr, req->buf, in u_audio_iso_complete()
268 prm->hw_ptr = (hw_ptr + req->actual) % runtime->dma_bytes; in u_audio_iso_complete()
269 hw_ptr = prm->hw_ptr; in u_audio_iso_complete()
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/openbmc/linux/sound/pcmcia/vx/
H A Dvxp_ops.c357 int offset = pipe->hw_ptr; in vxp_dma_write()
371 pipe->hw_ptr = 0; in vxp_dma_write()
373 pipe->hw_ptr += count; in vxp_dma_write()
397 int offset = pipe->hw_ptr; in vxp_dma_read()
411 pipe->hw_ptr = 0; in vxp_dma_read()
413 pipe->hw_ptr += count; in vxp_dma_read()
/openbmc/linux/sound/pci/vx222/
H A Dvx222_ops.c249 int offset = pipe->hw_ptr; in vx2_dma_write()
269 pipe->hw_ptr = 0; in vx2_dma_write()
271 pipe->hw_ptr += count; in vx2_dma_write()
287 int offset = pipe->hw_ptr; in vx2_dma_read()
305 pipe->hw_ptr = 0; in vx2_dma_read()
307 pipe->hw_ptr += count; in vx2_dma_read()
/openbmc/linux/sound/xen/
H A Dxen_snd_front_alsa.c44 atomic_t hw_ptr; member
222 atomic_set(&stream->hw_ptr, 0); in stream_clear()
587 new_hw_ptr = (snd_pcm_uframes_t)atomic_read(&stream->hw_ptr); in xen_snd_front_alsa_handle_cur_pos()
589 atomic_set(&stream->hw_ptr, (int)new_hw_ptr); in xen_snd_front_alsa_handle_cur_pos()
602 return (snd_pcm_uframes_t)atomic_read(&stream->hw_ptr); in alsa_pointer()
/openbmc/linux/sound/drivers/vx/
H A Dvx_pcm.c48 int offset = pipe->hw_ptr; in vx_pcm_read_per_bytes()
64 pipe->hw_ptr = offset; in vx_pcm_read_per_bytes()
833 pipe->hw_ptr = 0; in vx_pcm_prepare()
1009 if ((pipe->hw_ptr % pipe->align) == 0) in vx_pcm_capture_update()
1061 return bytes_to_frames(runtime, pipe->hw_ptr); in vx_pcm_capture_pointer()
/openbmc/linux/include/sound/
H A Drawmidi.h65 size_t hw_ptr; /* hardware pointer */ member
H A Dpcm.h794 …snd_pcm_sframes_t avail = runtime->status->hw_ptr + runtime->buffer_size - runtime->control->appl_… in snd_pcm_playback_avail()
812 snd_pcm_sframes_t avail = runtime->status->hw_ptr - runtime->control->appl_ptr; in snd_pcm_capture_avail()
1570 snd_pcm_uframes_t hw_ptr; /* hw ptr */ member
1595 u32 hw_ptr; /* hw ptr */ member
H A Dvx_core.h62 int hw_ptr; /* the current hardware pointer in bytes */ member
/openbmc/linux/tools/include/uapi/sound/
H A Dasound.h483 snd_pcm_uframes_t hw_ptr; /* hw ptr */ member
530 snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ member
571 snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ member
/openbmc/linux/include/uapi/sound/
H A Dasound.h483 snd_pcm_uframes_t hw_ptr; /* hw ptr */ member
530 snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ member
571 snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ member
/openbmc/linux/sound/soc/sof/
H A Dipc4-pcm.c833 head_ptr = substream->runtime->status->hw_ptr; in sof_ipc4_pcm_delay()
837 tail_ptr = substream->runtime->status->hw_ptr; in sof_ipc4_pcm_delay()
/openbmc/linux/sound/pci/rme9652/
H A Drme9652.c1911 runtime->status->hw_ptr = rme9652_hw_pointer(rme9652); in snd_rme9652_reset()
1913 runtime->status->hw_ptr = 0; in snd_rme9652_reset()
1919 oruntime->status->hw_ptr = runtime->status->hw_ptr; in snd_rme9652_reset()
/openbmc/linux/sound/pci/nm256/
H A Dnm256.c809 const struct snd_pcm_hardware *hw_ptr) in snd_nm256_setup_stream() argument
814 runtime->hw = *hw_ptr; in snd_nm256_setup_stream()
/openbmc/linux/sound/core/oss/
H A Dpcm_oss.c2064 snd_pcm_uframes_t hw_ptr) in snd_pcm_oss_simulate_fill() argument
2068 appl_ptr = hw_ptr + runtime->buffer_size; in snd_pcm_oss_simulate_fill()
2233 info.ptr = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr % runtime->buffer_size); in snd_pcm_oss_get_ptr()
2244 info.bytes = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr) & INT_MAX; in snd_pcm_oss_get_ptr()
/openbmc/linux/Documentation/sound/designs/
H A Dtimestamping.rst90 streams and to the DMA time (hw_ptr) in all other cases.

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