1 // SPDX-License-Identifier: GPL-2.0
3  * mtk-afe-platform-driver.c  --  Mediatek afe platform driver
10 #include <linux/dma-mapping.h>
13 #include "mtk-afe-platform-driver.h"
14 #include "mtk-base-afe.h"
22 	list_for_each_entry(dai, &afe->sub_dais, list) {  in mtk_afe_combine_sub_dai()
23 		num_dai_drivers += dai->num_dai_drivers;  in mtk_afe_combine_sub_dai()
26 	dev_info(afe->dev, "%s(), num of dai %zd\n", __func__, num_dai_drivers);  in mtk_afe_combine_sub_dai()
29 	afe->num_dai_drivers = num_dai_drivers;  in mtk_afe_combine_sub_dai()
30 	afe->dai_drivers = devm_kcalloc(afe->dev,  in mtk_afe_combine_sub_dai()
34 	if (!afe->dai_drivers)  in mtk_afe_combine_sub_dai()
35 		return -ENOMEM;  in mtk_afe_combine_sub_dai()
37 	list_for_each_entry(dai, &afe->sub_dais, list) {  in mtk_afe_combine_sub_dai()
39 		memcpy(&afe->dai_drivers[dai_idx],  in mtk_afe_combine_sub_dai()
40 		       dai->dai_drivers,  in mtk_afe_combine_sub_dai()
41 		       dai->num_dai_drivers *  in mtk_afe_combine_sub_dai()
43 		dai_idx += dai->num_dai_drivers;  in mtk_afe_combine_sub_dai()
54 	list_for_each_entry(dai, &afe->sub_dais, list) {  in mtk_afe_add_sub_dai_control()
55 		if (dai->controls)  in mtk_afe_add_sub_dai_control()
57 						       dai->controls,  in mtk_afe_add_sub_dai_control()
58 						       dai->num_controls);  in mtk_afe_add_sub_dai_control()
60 		if (dai->dapm_widgets)  in mtk_afe_add_sub_dai_control()
61 			snd_soc_dapm_new_controls(&component->dapm,  in mtk_afe_add_sub_dai_control()
62 						  dai->dapm_widgets,  in mtk_afe_add_sub_dai_control()
63 						  dai->num_dapm_widgets);  in mtk_afe_add_sub_dai_control()
66 	list_for_each_entry(dai, &afe->sub_dais, list) {  in mtk_afe_add_sub_dai_control()
67 		if (dai->dapm_routes)  in mtk_afe_add_sub_dai_control()
68 			snd_soc_dapm_add_routes(&component->dapm,  in mtk_afe_add_sub_dai_control()
69 						dai->dapm_routes,  in mtk_afe_add_sub_dai_control()
70 						dai->num_dapm_routes);  in mtk_afe_add_sub_dai_control()
73 	snd_soc_dapm_new_widgets(component->dapm.card);  in mtk_afe_add_sub_dai_control()
85 	struct mtk_base_afe_memif *memif = &afe->memif[snd_soc_rtd_to_cpu(rtd, 0)->id];  in mtk_afe_pcm_pointer()
86 	const struct mtk_base_memif_data *memif_data = memif->data;  in mtk_afe_pcm_pointer()
87 	struct regmap *regmap = afe->regmap;  in mtk_afe_pcm_pointer()
88 	struct device *dev = afe->dev;  in mtk_afe_pcm_pointer()
89 	int reg_ofs_base = memif_data->reg_ofs_base;  in mtk_afe_pcm_pointer()
90 	int reg_ofs_cur = memif_data->reg_ofs_cur;  in mtk_afe_pcm_pointer()
108 	pcm_ptr_bytes = hw_ptr - hw_base;  in mtk_afe_pcm_pointer()
111 	return bytes_to_frames(substream->runtime, pcm_ptr_bytes);  in mtk_afe_pcm_pointer()
119 	struct snd_pcm *pcm = rtd->pcm;  in mtk_afe_pcm_new()  local
122 	size = afe->mtk_afe_hardware->buffer_bytes_max;  in mtk_afe_pcm_new()
123 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, afe->dev, 0, size);  in mtk_afe_pcm_new()
134 	snd_soc_component_init_regmap(component, afe->regmap);  in mtk_afe_component_probe()
136 	/* If the list was never initialized there are no sub-DAIs */  in mtk_afe_component_probe()
137 	if (afe->sub_dais.next && afe->sub_dais.prev) {  in mtk_afe_component_probe()
154 MODULE_DESCRIPTION("Mediatek simple platform driver");