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Searched refs:hw_ptr (Results 1 – 25 of 28) sorted by relevance

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/Linux-v5.4/drivers/usb/gadget/function/
Du_audio.c39 ssize_t hw_ptr; member
83 unsigned int hw_ptr; in u_audio_iso_complete() local
143 hw_ptr = prm->hw_ptr; in u_audio_iso_complete()
148 pending = runtime->dma_bytes - hw_ptr; in u_audio_iso_complete()
152 memcpy(req->buf, runtime->dma_area + hw_ptr, pending); in u_audio_iso_complete()
156 memcpy(req->buf, runtime->dma_area + hw_ptr, in u_audio_iso_complete()
161 memcpy(runtime->dma_area + hw_ptr, req->buf, pending); in u_audio_iso_complete()
165 memcpy(runtime->dma_area + hw_ptr, req->buf, in u_audio_iso_complete()
172 prm->hw_ptr = (hw_ptr + req->actual) % runtime->dma_bytes; in u_audio_iso_complete()
173 hw_ptr = prm->hw_ptr; in u_audio_iso_complete()
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/Linux-v5.4/sound/core/
Dpcm_compat.c176 u32 hw_ptr; member
216 put_user(status.hw_ptr, &src->hw_ptr) || in snd_pcm_status_user_compat()
239 u32 hw_ptr; member
280 put_user(status.hw_ptr, &src->hw_ptr) || in snd_pcm_status_user_x32()
443 u32 hw_ptr; member
506 sstatus.hw_ptr = status->hw_ptr % boundary; in snd_pcm_ioctl_sync_ptr_compat()
512 put_user(sstatus.hw_ptr, &src->s.status.hw_ptr) || in snd_pcm_ioctl_sync_ptr_compat()
529 u32 hw_ptr; member
595 sstatus.hw_ptr = status->hw_ptr % boundary; in snd_pcm_ioctl_sync_ptr_x32()
601 put_user(sstatus.hw_ptr, &src->s.status.hw_ptr) || in snd_pcm_ioctl_sync_ptr_x32()
Drawmidi.c123 runtime->appl_ptr = runtime->hw_ptr = 0; in snd_rawmidi_runtime_create()
158 runtime->appl_ptr = runtime->hw_ptr = 0; in __reset_runtime_ptrs()
894 runtime->buffer[runtime->hw_ptr++] = buffer[0]; in snd_rawmidi_receive()
895 runtime->hw_ptr %= runtime->buffer_size; in snd_rawmidi_receive()
903 count1 = runtime->buffer_size - runtime->hw_ptr; in snd_rawmidi_receive()
908 memcpy(runtime->buffer + runtime->hw_ptr, buffer, count1); in snd_rawmidi_receive()
909 runtime->hw_ptr += count1; in snd_rawmidi_receive()
910 runtime->hw_ptr %= runtime->buffer_size; in snd_rawmidi_receive()
923 runtime->hw_ptr = count1; in snd_rawmidi_receive()
1090 *buffer = runtime->buffer[runtime->hw_ptr]; in __snd_rawmidi_transmit_peek()
[all …]
Dpcm_trace.h35 __entry->old_hw_ptr = (substream)->runtime->status->hw_ptr;
70 __entry->old_hw_ptr = (substream)->runtime->status->hw_ptr;
Dpcm_lib.c78 runtime->silence_start = (runtime->status->hw_ptr + in snd_pcm_playback_silence()
82 ofs = runtime->status->hw_ptr; in snd_pcm_playback_silence()
222 audio_frames = runtime->hw_ptr_wrap + runtime->status->hw_ptr; in update_audio_tstamp()
260 old_hw_ptr = runtime->status->hw_ptr; in snd_pcm_update_hw_ptr0()
425 if (runtime->status->hw_ptr == new_hw_ptr) { in snd_pcm_update_hw_ptr0()
444 runtime->status->hw_ptr = new_hw_ptr; in snd_pcm_update_hw_ptr0()
1680 runtime->status->hw_ptr %= runtime->buffer_size; in snd_pcm_lib_ioctl_reset()
1682 runtime->status->hw_ptr = 0; in snd_pcm_lib_ioctl_reset()
Dpcm_native.c905 status->hw_ptr = runtime->status->hw_ptr; in snd_pcm_status()
1640 runtime->hw_ptr_interrupt = runtime->status->hw_ptr - in snd_pcm_do_reset()
1641 runtime->status->hw_ptr % runtime->period_size; in snd_pcm_do_reset()
1642 runtime->silence_start = runtime->status->hw_ptr; in snd_pcm_do_reset()
1650 runtime->control->appl_ptr = runtime->status->hw_ptr; in snd_pcm_post_reset()
1696 runtime->control->appl_ptr = runtime->status->hw_ptr; in snd_pcm_post_prepare()
2777 sync_ptr.s.status.hw_ptr = status->hw_ptr; in snd_pcm_sync_ptr()
Dpcm.c471 snd_iprintf(buffer, "hw_ptr : %ld\n", runtime->status->hw_ptr); in snd_pcm_substream_proc_status_read()
/Linux-v5.4/drivers/media/usb/go7007/
Dsnd-go7007.c42 int hw_ptr; member
73 gosnd->hw_ptr += frames; in parse_audio_stream_data()
74 if (gosnd->hw_ptr >= runtime->buffer_size) in parse_audio_stream_data()
75 gosnd->hw_ptr -= runtime->buffer_size; in parse_audio_stream_data()
172 gosnd->hw_ptr = gosnd->w_idx = gosnd->avail = 0; in go7007_snd_pcm_trigger()
185 return gosnd->hw_ptr; in go7007_snd_pcm_pointer()
235 gosnd->hw_ptr = gosnd->w_idx = gosnd->avail = 0; in go7007_snd_init()
/Linux-v5.4/sound/soc/mediatek/common/
Dmtk-afe-platform-driver.c92 unsigned int hw_ptr = 0, hw_base = 0; in mtk_afe_pcm_pointer() local
95 ret = regmap_read(regmap, reg_ofs_cur, &hw_ptr); in mtk_afe_pcm_pointer()
96 if (ret || hw_ptr == 0) { in mtk_afe_pcm_pointer()
109 pcm_ptr_bytes = hw_ptr - hw_base; in mtk_afe_pcm_pointer()
/Linux-v5.4/sound/soc/intel/baytrail/
Dsst-baytrail-pcm.c43 u32 hw_ptr; member
150 sst_byt_stream_start(byt, pcm_data->stream, pcm_data->hw_ptr); in sst_byt_pcm_restore_stream_context()
153 pcm_data->hw_ptr); in sst_byt_pcm_restore_stream_context()
179 pcm_data->hw_ptr = 0; in sst_byt_pcm_trigger()
220 pcm_data->hw_ptr = hw_pos; in byt_notify_pointer()
239 dev_dbg(rtd->dev, "PCM: DMA pointer %u bytes\n", pcm_data->hw_ptr); in sst_byt_pcm_pointer()
241 return bytes_to_frames(runtime, pcm_data->hw_ptr); in sst_byt_pcm_pointer()
/Linux-v5.4/sound/pcmcia/vx/
Dvxp_ops.c355 int offset = pipe->hw_ptr; in vxp_dma_write()
369 pipe->hw_ptr = 0; in vxp_dma_write()
371 pipe->hw_ptr += count; in vxp_dma_write()
395 int offset = pipe->hw_ptr; in vxp_dma_read()
409 pipe->hw_ptr = 0; in vxp_dma_read()
411 pipe->hw_ptr += count; in vxp_dma_read()
/Linux-v5.4/sound/pci/vx222/
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()
/Linux-v5.4/sound/xen/
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()
/Linux-v5.4/sound/drivers/vx/
Dvx_pcm.c48 int offset = pipe->hw_ptr; in vx_pcm_read_per_bytes()
65 pipe->hw_ptr = offset; in vx_pcm_read_per_bytes()
844 pipe->hw_ptr = 0; in vx_pcm_prepare()
1024 if ((pipe->hw_ptr % pipe->align) == 0) in vx_pcm_capture_update()
1076 return bytes_to_frames(runtime, pipe->hw_ptr); in vx_pcm_capture_pointer()
/Linux-v5.4/include/sound/
Drawmidi.h60 size_t hw_ptr; /* hardware pointer */ member
Dvx_core.h62 int hw_ptr; /* the current hardware pointer in bytes */ member
Dpcm.h734 …snd_pcm_sframes_t avail = runtime->status->hw_ptr + runtime->buffer_size - runtime->control->appl_… in snd_pcm_playback_avail()
750 snd_pcm_sframes_t avail = runtime->status->hw_ptr - runtime->control->appl_ptr; in snd_pcm_capture_avail()
/Linux-v5.4/tools/include/uapi/sound/
Dasound.h464 snd_pcm_uframes_t hw_ptr; /* hw ptr */ member
480 snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ member
/Linux-v5.4/include/uapi/sound/
Dasound.h464 snd_pcm_uframes_t hw_ptr; /* hw ptr */ member
480 snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ member
/Linux-v5.4/sound/pci/rme9652/
Drme9652.c1969 runtime->status->hw_ptr = rme9652_hw_pointer(rme9652); in snd_rme9652_reset()
1971 runtime->status->hw_ptr = 0; in snd_rme9652_reset()
1977 oruntime->status->hw_ptr = runtime->status->hw_ptr; in snd_rme9652_reset()
Dhdsp.c3984 runtime->status->hw_ptr = hdsp_hw_pointer(hdsp); in snd_hdsp_reset()
3986 runtime->status->hw_ptr = 0; in snd_hdsp_reset()
3992 oruntime->status->hw_ptr = runtime->status->hw_ptr; in snd_hdsp_reset()
Dhdspm.c5479 runtime->status->hw_ptr = hdspm_hw_pointer(hdspm); in snd_hdspm_reset()
5481 runtime->status->hw_ptr = 0; in snd_hdspm_reset()
5487 oruntime->status->hw_ptr = in snd_hdspm_reset()
5488 runtime->status->hw_ptr; in snd_hdspm_reset()
/Linux-v5.4/sound/pci/nm256/
Dnm256.c839 struct snd_pcm_hardware *hw_ptr) in snd_nm256_setup_stream() argument
844 runtime->hw = *hw_ptr; in snd_nm256_setup_stream()
/Linux-v5.4/sound/core/oss/
Dpcm_oss.c2019 snd_pcm_uframes_t hw_ptr) in snd_pcm_oss_simulate_fill() argument
2023 appl_ptr = hw_ptr + runtime->buffer_size; in snd_pcm_oss_simulate_fill()
2184 info.ptr = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr % runtime->buffer_size); in snd_pcm_oss_get_ptr()
2195 info.bytes = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr) & INT_MAX; in snd_pcm_oss_get_ptr()
/Linux-v5.4/Documentation/sound/designs/
Dtimestamping.rst90 streams and to the DMA time (hw_ptr) in all other cases.

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