92 snd_pcm_plugin_undo_read(snd_pcm_t *pcm ATTRIBUTE_UNUSED,  in snd_pcm_plugin_undo_read()
102 snd_pcm_plugin_undo_write(snd_pcm_t *pcm ATTRIBUTE_UNUSED,  in snd_pcm_plugin_undo_write()
112 snd_pcm_plugin_undo_read_generic(snd_pcm_t *pcm ATTRIBUTE_UNUSED,  in snd_pcm_plugin_undo_read_generic()
122 snd_pcm_plugin_undo_write_generic(snd_pcm_t *pcm ATTRIBUTE_UNUSED,  in snd_pcm_plugin_undo_write_generic()
138 static int snd_pcm_plugin_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp)  in snd_pcm_plugin_delay()  argument
140 	snd_pcm_plugin_t *plugin = pcm->private_data;  in snd_pcm_plugin_delay()
149 static int snd_pcm_plugin_call_init_cb(snd_pcm_t *pcm, snd_pcm_plugin_t *plugin)  in snd_pcm_plugin_call_init_cb()  argument
154 	assert(pcm->boundary == slave->boundary);  in snd_pcm_plugin_call_init_cb()
155 	*pcm->hw.ptr = *slave->hw.ptr;  in snd_pcm_plugin_call_init_cb()
156 	*pcm->appl.ptr = *slave->appl.ptr;  in snd_pcm_plugin_call_init_cb()
158 		err = plugin->init(pcm);  in snd_pcm_plugin_call_init_cb()
165 static int snd_pcm_plugin_prepare(snd_pcm_t *pcm)  in snd_pcm_plugin_prepare()  argument
167 	snd_pcm_plugin_t *plugin = pcm->private_data;  in snd_pcm_plugin_prepare()
172 	return snd_pcm_plugin_call_init_cb(pcm, plugin);  in snd_pcm_plugin_prepare()
175 static int snd_pcm_plugin_reset(snd_pcm_t *pcm)  in snd_pcm_plugin_reset()  argument
177 	snd_pcm_plugin_t *plugin = pcm->private_data;  in snd_pcm_plugin_reset()
182 	return snd_pcm_plugin_call_init_cb(pcm, plugin);  in snd_pcm_plugin_reset()
185 static snd_pcm_sframes_t snd_pcm_plugin_rewindable(snd_pcm_t *pcm)  in snd_pcm_plugin_rewindable()  argument
187 	return snd_pcm_mmap_hw_rewindable(pcm);  in snd_pcm_plugin_rewindable()
190 snd_pcm_sframes_t snd_pcm_plugin_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames)  in snd_pcm_plugin_rewind()  argument
192 	snd_pcm_plugin_t *plugin = pcm->private_data;  in snd_pcm_plugin_rewind()
193 	snd_pcm_sframes_t n = snd_pcm_plugin_rewindable(pcm);  in snd_pcm_plugin_rewind()
205 	snd_pcm_mmap_appl_backward(pcm, (snd_pcm_uframes_t) sframes);  in snd_pcm_plugin_rewind()
209 static snd_pcm_sframes_t snd_pcm_plugin_forwardable(snd_pcm_t *pcm)  in snd_pcm_plugin_forwardable()  argument
211 	return snd_pcm_mmap_avail(pcm);  in snd_pcm_plugin_forwardable()
214 snd_pcm_sframes_t snd_pcm_plugin_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames)  in snd_pcm_plugin_forward()  argument
216 	snd_pcm_plugin_t *plugin = pcm->private_data;  in snd_pcm_plugin_forward()
217 	snd_pcm_sframes_t n = snd_pcm_plugin_forwardable(pcm);  in snd_pcm_plugin_forward()
229 	snd_pcm_mmap_appl_forward(pcm, (snd_pcm_uframes_t) frames);  in snd_pcm_plugin_forward()
233 static snd_pcm_sframes_t snd_pcm_plugin_write_areas(snd_pcm_t *pcm,  in snd_pcm_plugin_write_areas()  argument
238 	snd_pcm_plugin_t *plugin = pcm->private_data;  in snd_pcm_plugin_write_areas()
257 		frames = plugin->write(pcm, areas, offset, frames,  in snd_pcm_plugin_write_areas()
268 …res = plugin->undo_write(pcm, slave_areas, slave_offset + result, slave_frames, slave_frames - res…  in snd_pcm_plugin_write_areas()
279 		snd_pcm_mmap_appl_forward(pcm, frames);  in snd_pcm_plugin_write_areas()
290 static snd_pcm_sframes_t snd_pcm_plugin_read_areas(snd_pcm_t *pcm,  in snd_pcm_plugin_read_areas()  argument
295 	snd_pcm_plugin_t *plugin = pcm->private_data;  in snd_pcm_plugin_read_areas()
314 		frames = (plugin->read)(pcm, areas, offset, frames,  in snd_pcm_plugin_read_areas()
337 		snd_pcm_mmap_appl_forward(pcm, frames);  in snd_pcm_plugin_read_areas()
350 snd_pcm_plugin_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size)  in snd_pcm_plugin_writei()  argument
352 	snd_pcm_channel_area_t areas[pcm->channels];  in snd_pcm_plugin_writei()
353 	snd_pcm_areas_from_buf(pcm, areas, (void*)buffer);  in snd_pcm_plugin_writei()
354 	return snd_pcm_write_areas(pcm, areas, 0, size,   in snd_pcm_plugin_writei()
359 snd_pcm_plugin_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)  in snd_pcm_plugin_writen()  argument
361 	snd_pcm_channel_area_t areas[pcm->channels];  in snd_pcm_plugin_writen()
362 	snd_pcm_areas_from_bufs(pcm, areas, bufs);  in snd_pcm_plugin_writen()
363 	return snd_pcm_write_areas(pcm, areas, 0, size,  in snd_pcm_plugin_writen()
368 snd_pcm_plugin_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size)  in snd_pcm_plugin_readi()  argument
370 	snd_pcm_channel_area_t areas[pcm->channels];  in snd_pcm_plugin_readi()
371 	snd_pcm_areas_from_buf(pcm, areas, buffer);  in snd_pcm_plugin_readi()
372 	return snd_pcm_read_areas(pcm, areas, 0, size,  in snd_pcm_plugin_readi()
377 snd_pcm_plugin_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size)  in snd_pcm_plugin_readn()  argument
379 	snd_pcm_channel_area_t areas[pcm->channels];  in snd_pcm_plugin_readn()
380 	snd_pcm_areas_from_bufs(pcm, areas, bufs);  in snd_pcm_plugin_readn()
381 	return snd_pcm_read_areas(pcm, areas, 0, size,  in snd_pcm_plugin_readn()
386 snd_pcm_plugin_mmap_commit(snd_pcm_t *pcm,  in snd_pcm_plugin_mmap_commit()  argument
390 	snd_pcm_plugin_t *plugin = pcm->private_data;  in snd_pcm_plugin_mmap_commit()
398 	if (pcm->stream == SND_PCM_STREAM_CAPTURE) {  in snd_pcm_plugin_mmap_commit()
399 		snd_pcm_mmap_appl_forward(pcm, size);  in snd_pcm_plugin_mmap_commit()
405 	areas = snd_pcm_mmap_areas(pcm);  in snd_pcm_plugin_mmap_commit()
406 	appl_offset = snd_pcm_mmap_offset(pcm);  in snd_pcm_plugin_mmap_commit()
410 		snd_pcm_uframes_t cont = pcm->buffer_size - appl_offset;  in snd_pcm_plugin_mmap_commit()
423 		frames = plugin->write(pcm, areas, appl_offset, frames,  in snd_pcm_plugin_mmap_commit()
429 …res = plugin->undo_write(pcm, slave_areas, slave_offset + result, slave_frames, slave_frames - res…  in snd_pcm_plugin_mmap_commit()
440 		snd_pcm_mmap_appl_forward(pcm, frames);  in snd_pcm_plugin_mmap_commit()
460 snd_pcm_plugin_sync_hw_ptr_capture(snd_pcm_t *pcm,  in snd_pcm_plugin_sync_hw_ptr_capture()  argument
463 	snd_pcm_plugin_t *plugin = pcm->private_data;  in snd_pcm_plugin_sync_hw_ptr_capture()
469 	xfer = snd_pcm_mmap_capture_avail(pcm);  in snd_pcm_plugin_sync_hw_ptr_capture()
470 	size = pcm->buffer_size - xfer;  in snd_pcm_plugin_sync_hw_ptr_capture()
471 	areas = snd_pcm_mmap_areas(pcm);  in snd_pcm_plugin_sync_hw_ptr_capture()
472 	hw_offset = snd_pcm_mmap_hw_offset(pcm);  in snd_pcm_plugin_sync_hw_ptr_capture()
475 		snd_pcm_uframes_t cont = pcm->buffer_size - hw_offset;  in snd_pcm_plugin_sync_hw_ptr_capture()
495 		frames = (plugin->read)(pcm, areas, hw_offset, frames,  in snd_pcm_plugin_sync_hw_ptr_capture()
511 		snd_pcm_mmap_hw_forward(pcm, frames);  in snd_pcm_plugin_sync_hw_ptr_capture()
525 static snd_pcm_sframes_t snd_pcm_plugin_sync_hw_ptr(snd_pcm_t *pcm,  in snd_pcm_plugin_sync_hw_ptr()  argument
529 	if (pcm->stream == SND_PCM_STREAM_CAPTURE &&  in snd_pcm_plugin_sync_hw_ptr()
530 	    pcm->access != SND_PCM_ACCESS_RW_INTERLEAVED &&  in snd_pcm_plugin_sync_hw_ptr()
531 	    pcm->access != SND_PCM_ACCESS_RW_NONINTERLEAVED)  in snd_pcm_plugin_sync_hw_ptr()
532 		return snd_pcm_plugin_sync_hw_ptr_capture(pcm, slave_size);  in snd_pcm_plugin_sync_hw_ptr()
533         *pcm->hw.ptr = slave_hw_ptr;  in snd_pcm_plugin_sync_hw_ptr()
537 static snd_pcm_sframes_t snd_pcm_plugin_avail_update(snd_pcm_t *pcm)  in snd_pcm_plugin_avail_update()  argument
539 	snd_pcm_plugin_t *plugin = pcm->private_data;  in snd_pcm_plugin_avail_update()
544 	return snd_pcm_plugin_sync_hw_ptr(pcm, *slave->hw.ptr, slave_size);  in snd_pcm_plugin_avail_update()
547 static int snd_pcm_plugin_status(snd_pcm_t *pcm, snd_pcm_status_t * status)  in snd_pcm_plugin_status()  argument
549 	snd_pcm_plugin_t *plugin = pcm->private_data;  in snd_pcm_plugin_status()
555 	snd_pcm_plugin_sync_hw_ptr(pcm, status->hw_ptr, status->avail);  in snd_pcm_plugin_status()
566 	if (pcm->stream == SND_PCM_STREAM_CAPTURE) {  in snd_pcm_plugin_status()
567 		diff = pcm_frame_diff(status->appl_ptr, *pcm->appl.ptr, pcm->boundary);  in snd_pcm_plugin_status()
568 		status->appl_ptr = *pcm->appl.ptr;  in snd_pcm_plugin_status()
572 		assert(status->appl_ptr == *pcm->appl.ptr);  in snd_pcm_plugin_status()
577 int snd_pcm_plugin_may_wait_for_avail_min(snd_pcm_t *pcm,  in snd_pcm_plugin_may_wait_for_avail_min()  argument
580 	if (pcm->stream == SND_PCM_STREAM_CAPTURE &&  in snd_pcm_plugin_may_wait_for_avail_min()
581 	    pcm->access != SND_PCM_ACCESS_RW_INTERLEAVED &&  in snd_pcm_plugin_may_wait_for_avail_min()
582 	    pcm->access != SND_PCM_ACCESS_RW_NONINTERLEAVED) {  in snd_pcm_plugin_may_wait_for_avail_min()
598 		snd_pcm_plugin_t *plugin = pcm->private_data;  in snd_pcm_plugin_may_wait_for_avail_min()
606 		available = snd_pcm_avail_update(pcm);  in snd_pcm_plugin_may_wait_for_avail_min()
610 		if ((snd_pcm_uframes_t)available >= pcm->avail_min)  in snd_pcm_plugin_may_wait_for_avail_min()
616 		needed_slave_avail_min = pcm->avail_min - available;  in snd_pcm_plugin_may_wait_for_avail_min()
636 	return snd_pcm_generic_may_wait_for_avail_min(pcm, avail);  in snd_pcm_plugin_may_wait_for_avail_min()