111 static inline void dlp_activate(struct dmaengine_dlp *dlp)  in dlp_activate()  argument
113 	spin_lock(&dlp->lock);  in dlp_activate()
114 	dlp->component.active++;  in dlp_activate()
115 	spin_unlock(&dlp->lock);  in dlp_activate()
118 static inline void dlp_deactivate(struct dmaengine_dlp *dlp)  in dlp_deactivate()  argument
120 	spin_lock(&dlp->lock);  in dlp_deactivate()
121 	dlp->component.active--;  in dlp_deactivate()
122 	spin_unlock(&dlp->lock);  in dlp_deactivate()
125 static inline bool dlp_mode_channels_match(struct dmaengine_dlp *dlp,  in dlp_mode_channels_match()  argument
130 	switch (dlp->mode) {  in dlp_mode_channels_match()
205 static struct device *dmaengine_dma_dev(struct dmaengine_dlp *dlp,  in dmaengine_dma_dev()  argument
208 	if (!dlp->chan[substream->stream])  in dmaengine_dma_dev()
211 	return dlp->chan[substream->stream]->device->dev;  in dmaengine_dma_dev()
385 	struct dmaengine_dlp *dlp = soc_component_to_dlp(component);  in dmaengine_dlp_hw_params()  local
394 	if (!is_playback && !dlp_mode_channels_match(dlp, ch_req, &ch_exp)) {  in dmaengine_dlp_hw_params()
395 		dev_err(dlp->dev,  in dmaengine_dlp_hw_params()
397 			ch_req, ch_exp, dlp->mode);  in dmaengine_dlp_hw_params()
428 	struct dmaengine_dlp *dlp = soc_component_to_dlp(component);  in dmaengine_pcm_set_runtime_hwparams()  local
429 	struct device *dma_dev = dmaengine_dma_dev(dlp, substream);  in dmaengine_pcm_set_runtime_hwparams()
430 	struct dma_chan *chan = dlp->chan[substream->stream];  in dmaengine_pcm_set_runtime_hwparams()
468 	struct dmaengine_dlp *dlp = soc_component_to_dlp(component);  in dmaengine_dlp_open()  local
469 	struct dma_chan *chan = dlp->chan[substream->stream];  in dmaengine_dlp_open()
493 	prtd->parent = dlp;  in dmaengine_dlp_open()
499 	dlp_activate(dlp);  in dmaengine_dlp_open()
517 	struct dmaengine_dlp *dlp = soc_component_to_dlp(component);  in free_ref_list()  local
520 	spin_lock(&dlp->lock);  in free_ref_list()
521 	list_for_each_entry_safe(prtd, _pt, &dlp->ref_list, node) {  in free_ref_list()
525 	spin_unlock(&dlp->lock);  in free_ref_list()
531 	struct dmaengine_dlp *dlp = soc_component_to_dlp(component);  in dmaengine_dlp_close()  local
543 	dlp_deactivate(dlp);  in dmaengine_dlp_close()
569 	struct dmaengine_dlp *dlp = prtd->parent;  in dmaengine_dlp_dma_complete()  local
574 	spin_lock(&dlp->lock);  in dmaengine_dlp_dma_complete()
577 	spin_unlock(&dlp->lock);  in dmaengine_dlp_dma_complete()
612 	struct dmaengine_dlp *dlp = soc_component_to_dlp(component);  in dmaengine_dlp_setup()  local
618 	struct dmaengine_dlp_runtime_data *pref = dlp->pref;  in dmaengine_dlp_setup()
623 	if (dlp->mode == DLP_MODE_DISABLED)  in dmaengine_dlp_setup()
626 	fifo_a = dlp->config->get_fifo_count(dlp->dev, substream->stream);  in dmaengine_dlp_setup()
630 		fifo_b = dlp->config->get_fifo_count(dlp->dev, bstream);  in dmaengine_dlp_setup()
633 		spin_lock(&dlp->lock);  in dmaengine_dlp_setup()
635 			spin_unlock(&dlp->lock);  in dmaengine_dlp_setup()
650 		list_add_tail(&pref->node, &dlp->ref_list);  in dmaengine_dlp_setup()
652 		spin_unlock(&dlp->lock);  in dmaengine_dlp_setup()
668 	struct dmaengine_dlp *dlp = soc_component_to_dlp(component);  in dmaengine_dlp_release()  local
670 	struct dmaengine_dlp_runtime_data *pref = dlp->pref;  in dmaengine_dlp_release()
674 	if (dlp->mode == DLP_MODE_DISABLED)  in dmaengine_dlp_release()
680 	spin_lock(&dlp->lock);  in dmaengine_dlp_release()
686 	spin_unlock(&dlp->lock);  in dmaengine_dlp_release()
697 		spin_lock(&dlp->pref_lock);  in dmaengine_dlp_release()
699 		dlp->pref = NULL;  in dmaengine_dlp_release()
700 		spin_unlock(&dlp->pref_lock);  in dmaengine_dlp_release()
753 	struct dmaengine_dlp *dlp = soc_component_to_dlp(component);  in dmaengine_dlp_new()  local
767 		if (!dlp->chan[i]) {  in dmaengine_dlp_new()
775 				dmaengine_dma_dev(dlp, substream),  in dmaengine_dlp_new()
791 	struct dmaengine_dlp *dlp = soc_component_to_dlp(component);  in get_ref()  local
794 	spin_lock(&dlp->lock);  in get_ref()
795 	if (!list_empty(&dlp->ref_list)) {  in get_ref()
796 		pref = list_first_entry(&dlp->ref_list, struct dmaengine_dlp_runtime_data, node);  in get_ref()
799 	spin_unlock(&dlp->lock);  in get_ref()
809 	struct dmaengine_dlp *dlp = soc_component_to_dlp(component);  in process_capture()  local
830 	ret = dlp_get_offset_size(prtd, dlp->mode, &ofs_cap, &size_cap, NULL);  in process_capture()
851 	ret = dlp_get_offset_size(pref, dlp->mode, &ofs_play, &size_play, &mix);  in process_capture()
940 	struct dmaengine_dlp *dlp = soc_component_to_dlp(component);  in process_playback()  local
945 	spin_lock(&dlp->pref_lock);  in process_playback()
946 	pref = dlp->pref;  in process_playback()
963 	spin_unlock(&dlp->pref_lock);  in process_playback()
973 	struct dmaengine_dlp *dlp = soc_component_to_dlp(component);  in dmaengine_dlp_process()  local
976 	if (dlp->mode == DLP_MODE_DISABLED)  in dmaengine_dlp_process()
1020 	struct dmaengine_dlp *dlp = soc_component_to_dlp(component);  in dmaengine_dlp_mode_get()  local
1022 	ucontrol->value.enumerated.item[0] = dlp->mode;  in dmaengine_dlp_mode_get()
1031 	struct dmaengine_dlp *dlp = soc_component_to_dlp(component);  in dmaengine_dlp_mode_put()  local
1038 	if (mode == dlp->mode)  in dmaengine_dlp_mode_put()
1041 	dlp->mode = mode;  in dmaengine_dlp_mode_put()
1055 	struct dmaengine_dlp *dlp = soc_component_to_dlp(component);  in dmaengine_dlp_prepare()  local
1073 		spin_lock(&dlp->pref_lock);  in dmaengine_dlp_prepare()
1074 		dlp->pref = pref;  in dmaengine_dlp_prepare()
1075 		spin_unlock(&dlp->pref_lock);  in dmaengine_dlp_prepare()
1105 static int dmaengine_pcm_request_chan_of(struct dmaengine_dlp *dlp,  in dmaengine_pcm_request_chan_of()  argument
1123 			dlp->chan[i] = NULL;  in dmaengine_pcm_request_chan_of()
1125 			dlp->chan[i] = chan;  in dmaengine_pcm_request_chan_of()
1132 static void dmaengine_pcm_release_chan(struct dmaengine_dlp *dlp)  in dmaengine_pcm_release_chan()  argument
1137 		if (!dlp->chan[i])  in dmaengine_pcm_release_chan()
1139 		dma_release_channel(dlp->chan[i]);  in dmaengine_pcm_release_chan()
1152 	struct dmaengine_dlp *dlp;  in snd_dmaengine_dlp_register()  local
1155 	dlp = kzalloc(sizeof(*dlp), GFP_KERNEL);  in snd_dmaengine_dlp_register()
1156 	if (!dlp)  in snd_dmaengine_dlp_register()
1159 	dlp->dev = dev;  in snd_dmaengine_dlp_register()
1160 	dlp->config = config;  in snd_dmaengine_dlp_register()
1162 	INIT_LIST_HEAD(&dlp->ref_list);  in snd_dmaengine_dlp_register()
1163 	spin_lock_init(&dlp->lock);  in snd_dmaengine_dlp_register()
1164 	spin_lock_init(&dlp->pref_lock);  in snd_dmaengine_dlp_register()
1167 	dlp->component.debugfs_prefix = "dma";  in snd_dmaengine_dlp_register()
1169 	ret = dmaengine_pcm_request_chan_of(dlp, dev, NULL);  in snd_dmaengine_dlp_register()
1175 	ret = snd_soc_component_initialize(&dlp->component, driver, dev);  in snd_dmaengine_dlp_register()
1179 	ret = snd_soc_add_component(&dlp->component, NULL, 0);  in snd_dmaengine_dlp_register()
1186 	dmaengine_pcm_release_chan(dlp);  in snd_dmaengine_dlp_register()
1187 	kfree(dlp);  in snd_dmaengine_dlp_register()
1201 	struct dmaengine_dlp *dlp;  in snd_dmaengine_dlp_unregister()  local
1207 	dlp = soc_component_to_dlp(component);  in snd_dmaengine_dlp_unregister()
1210 	dmaengine_pcm_release_chan(dlp);  in snd_dmaengine_dlp_unregister()
1211 	kfree(dlp);  in snd_dmaengine_dlp_unregister()