1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright 2017-2020 NXP
8 #include <sound/hdmi-codec.h>
12  * struct cpu_priv - CPU private data
25 	struct snd_soc_card card;  member
36 	struct imx_hdmi_data *data = snd_soc_card_get_drvdata(rtd->card);  in imx_hdmi_hw_params()
37 	bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;  in imx_hdmi_hw_params()
39 	struct snd_soc_card *card = rtd->card;  in imx_hdmi_hw_params()  local
40 	struct device *dev = card->dev;  in imx_hdmi_hw_params()
41 	u32 slot_width = data->cpu_priv.slot_width;  in imx_hdmi_hw_params()
45 	ret = snd_soc_dai_set_sysclk(cpu_dai, data->cpu_priv.sysclk_id[tx],  in imx_hdmi_hw_params()
48 	if (ret && ret != -ENOTSUPP) {  in imx_hdmi_hw_params()
54 	if (ret && ret != -ENOTSUPP) {  in imx_hdmi_hw_params()
72 	struct snd_soc_card *card = rtd->card;  in imx_hdmi_init()  local
74 	struct snd_soc_component *component = codec_dai->component;  in imx_hdmi_init()
75 	struct imx_hdmi_data *data = snd_soc_card_get_drvdata(card);  in imx_hdmi_init()
78 	data->hdmi_jack_pin.pin = "HDMI Jack";  in imx_hdmi_init()
79 	data->hdmi_jack_pin.mask = SND_JACK_LINEOUT;  in imx_hdmi_init()
81 	ret = snd_soc_card_jack_new_pins(card, "HDMI Jack", SND_JACK_LINEOUT,  in imx_hdmi_init()
82 					 &data->hdmi_jack,  in imx_hdmi_init()
83 					 &data->hdmi_jack_pin, 1);  in imx_hdmi_init()
85 		dev_err(card->dev, "Can't new HDMI Jack %d\n", ret);  in imx_hdmi_init()
89 	ret = snd_soc_component_set_jack(component, &data->hdmi_jack, NULL);  in imx_hdmi_init()
90 	if (ret && ret != -ENOTSUPP) {  in imx_hdmi_init()
91 		dev_err(card->dev, "Can't set HDMI Jack %d\n", ret);  in imx_hdmi_init()
100 	struct device_node *np = pdev->dev.of_node;  in imx_hdmi_probe()
101 	bool hdmi_out = of_property_read_bool(np, "hdmi-out");  in imx_hdmi_probe()
102 	bool hdmi_in = of_property_read_bool(np, "hdmi-in");  in imx_hdmi_probe()
109 	dlc = devm_kzalloc(&pdev->dev, 3 * sizeof(*dlc), GFP_KERNEL);  in imx_hdmi_probe()
111 		return -ENOMEM;  in imx_hdmi_probe()
113 	cpu_np = of_parse_phandle(np, "audio-cpu", 0);  in imx_hdmi_probe()
115 		dev_err(&pdev->dev, "cpu dai phandle missing or invalid\n");  in imx_hdmi_probe()
116 		ret = -EINVAL;  in imx_hdmi_probe()
122 		dev_err(&pdev->dev, "failed to find SAI platform device\n");  in imx_hdmi_probe()
123 		ret = -EINVAL;  in imx_hdmi_probe()
127 	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);  in imx_hdmi_probe()
129 		ret = -ENOMEM;  in imx_hdmi_probe()
130 		put_device(&cpu_pdev->dev);  in imx_hdmi_probe()
134 	data->dai.cpus = &dlc[0];  in imx_hdmi_probe()
135 	data->dai.num_cpus = 1;  in imx_hdmi_probe()
136 	data->dai.platforms = &dlc[1];  in imx_hdmi_probe()
137 	data->dai.num_platforms = 1;  in imx_hdmi_probe()
138 	data->dai.codecs = &dlc[2];  in imx_hdmi_probe()
139 	data->dai.num_codecs = 1;  in imx_hdmi_probe()
141 	data->dai.name = "i.MX HDMI";  in imx_hdmi_probe()
142 	data->dai.stream_name = "i.MX HDMI";  in imx_hdmi_probe()
143 	data->dai.cpus->dai_name = dev_name(&cpu_pdev->dev);  in imx_hdmi_probe()
144 	data->dai.platforms->of_node = cpu_np;  in imx_hdmi_probe()
145 	data->dai.ops = &imx_hdmi_ops;  in imx_hdmi_probe()
146 	data->dai.playback_only = true;  in imx_hdmi_probe()
147 	data->dai.capture_only = false;  in imx_hdmi_probe()
148 	data->dai.init = imx_hdmi_init;  in imx_hdmi_probe()
150 	put_device(&cpu_pdev->dev);  in imx_hdmi_probe()
153 		data->cpu_priv.sysclk_id[1] = FSL_SAI_CLK_MAST1;  in imx_hdmi_probe()
154 		data->cpu_priv.sysclk_id[0] = FSL_SAI_CLK_MAST1;  in imx_hdmi_probe()
157 	if (of_device_is_compatible(np, "fsl,imx-audio-sii902x")) {  in imx_hdmi_probe()
158 		data->dai_fmt = SND_SOC_DAIFMT_LEFT_J;  in imx_hdmi_probe()
159 		data->cpu_priv.slot_width = 24;  in imx_hdmi_probe()
161 		data->dai_fmt = SND_SOC_DAIFMT_I2S;  in imx_hdmi_probe()
162 		data->cpu_priv.slot_width = 32;  in imx_hdmi_probe()
166 		dev_err(&pdev->dev, "Invalid HDMI DAI link\n");  in imx_hdmi_probe()
167 		ret = -EINVAL;  in imx_hdmi_probe()
172 		data->dai.playback_only = true;  in imx_hdmi_probe()
173 		data->dai.capture_only = false;  in imx_hdmi_probe()
174 		data->dai.codecs->dai_name = "i2s-hifi";  in imx_hdmi_probe()
175 		data->dai.codecs->name = "hdmi-audio-codec.1";  in imx_hdmi_probe()
176 		data->dai.dai_fmt = data->dai_fmt |  in imx_hdmi_probe()
182 		data->dai.playback_only = false;  in imx_hdmi_probe()
183 		data->dai.capture_only = true;  in imx_hdmi_probe()
184 		data->dai.codecs->dai_name = "i2s-hifi";  in imx_hdmi_probe()
185 		data->dai.codecs->name = "hdmi-audio-codec.2";  in imx_hdmi_probe()
186 		data->dai.dai_fmt = data->dai_fmt |  in imx_hdmi_probe()
191 	data->card.dapm_widgets = imx_hdmi_widgets;  in imx_hdmi_probe()
192 	data->card.num_dapm_widgets = ARRAY_SIZE(imx_hdmi_widgets);  in imx_hdmi_probe()
193 	data->card.dev = &pdev->dev;  in imx_hdmi_probe()
194 	data->card.owner = THIS_MODULE;  in imx_hdmi_probe()
195 	ret = snd_soc_of_parse_card_name(&data->card, "model");  in imx_hdmi_probe()
199 	data->card.num_links = 1;  in imx_hdmi_probe()
200 	data->card.dai_link = &data->dai;  in imx_hdmi_probe()
202 	snd_soc_card_set_drvdata(&data->card, data);  in imx_hdmi_probe()
203 	ret = devm_snd_soc_register_card(&pdev->dev, &data->card);  in imx_hdmi_probe()
205 		dev_err_probe(&pdev->dev, ret, "snd_soc_register_card failed\n");  in imx_hdmi_probe()
216 	{ .compatible = "fsl,imx-audio-hdmi", },
217 	{ .compatible = "fsl,imx-audio-sii902x", },
224 		.name = "imx-hdmi",
233 MODULE_DESCRIPTION("Freescale i.MX hdmi audio ASoC machine driver");
235 MODULE_ALIAS("platform:imx-hdmi");