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
16  * Note: [1] for tx and [0] for rx
35 	struct snd_soc_pcm_runtime *rtd = substream->private_data;  in imx_hdmi_hw_params()
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()  local
39 	struct snd_soc_card *card = rtd->card;  in imx_hdmi_hw_params()
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()
47 				     tx ? SND_SOC_CLOCK_OUT : SND_SOC_CLOCK_IN);  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()
67 	SND_SOC_DAPM_LINE("HDMI Jack", NULL),
72 	struct snd_soc_card *card = rtd->card;  in imx_hdmi_init()
74 	struct snd_soc_component *component = codec_dai->component;  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(card, "HDMI Jack", SND_JACK_LINEOUT,  in imx_hdmi_init()
82 				    &data->hdmi_jack, &data->hdmi_jack_pin, 1);  in imx_hdmi_init()
84 		dev_err(card->dev, "Can't new HDMI Jack %d\n", ret);  in imx_hdmi_init()
88 	ret = snd_soc_component_set_jack(component, &data->hdmi_jack, NULL);  in imx_hdmi_init()
89 	if (ret && ret != -ENOTSUPP) {  in imx_hdmi_init()
90 		dev_err(card->dev, "Can't set HDMI Jack %d\n", ret);  in imx_hdmi_init()
99 	struct device_node *np = pdev->dev.of_node;  in imx_hdmi_probe()
100 	bool hdmi_out = of_property_read_bool(np, "hdmi-out");  in imx_hdmi_probe()
101 	bool hdmi_in = of_property_read_bool(np, "hdmi-in");  in imx_hdmi_probe()
108 	dlc = devm_kzalloc(&pdev->dev, 3 * sizeof(*dlc), GFP_KERNEL);  in imx_hdmi_probe()
110 		return -ENOMEM;  in imx_hdmi_probe()
112 	cpu_np = of_parse_phandle(np, "audio-cpu", 0);  in imx_hdmi_probe()
114 		dev_err(&pdev->dev, "cpu dai phandle missing or invalid\n");  in imx_hdmi_probe()
115 		ret = -EINVAL;  in imx_hdmi_probe()
121 		dev_err(&pdev->dev, "failed to find SAI platform device\n");  in imx_hdmi_probe()
122 		ret = -EINVAL;  in imx_hdmi_probe()
126 	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);  in imx_hdmi_probe()
128 		ret = -ENOMEM;  in imx_hdmi_probe()
132 	data->dai.cpus = &dlc[0];  in imx_hdmi_probe()
133 	data->dai.num_cpus = 1;  in imx_hdmi_probe()
134 	data->dai.platforms = &dlc[1];  in imx_hdmi_probe()
135 	data->dai.num_platforms = 1;  in imx_hdmi_probe()
136 	data->dai.codecs = &dlc[2];  in imx_hdmi_probe()
137 	data->dai.num_codecs = 1;  in imx_hdmi_probe()
139 	data->dai.name = "i.MX HDMI";  in imx_hdmi_probe()
140 	data->dai.stream_name = "i.MX HDMI";  in imx_hdmi_probe()
141 	data->dai.cpus->dai_name = dev_name(&cpu_pdev->dev);  in imx_hdmi_probe()
142 	data->dai.platforms->of_node = cpu_np;  in imx_hdmi_probe()
143 	data->dai.ops = &imx_hdmi_ops;  in imx_hdmi_probe()
144 	data->dai.playback_only = true;  in imx_hdmi_probe()
145 	data->dai.capture_only = false;  in imx_hdmi_probe()
146 	data->dai.init = imx_hdmi_init;  in imx_hdmi_probe()
149 		data->cpu_priv.sysclk_id[1] = FSL_SAI_CLK_MAST1;  in imx_hdmi_probe()
150 		data->cpu_priv.sysclk_id[0] = FSL_SAI_CLK_MAST1;  in imx_hdmi_probe()
153 	if (of_device_is_compatible(np, "fsl,imx-audio-sii902x")) {  in imx_hdmi_probe()
154 		data->dai_fmt = SND_SOC_DAIFMT_LEFT_J;  in imx_hdmi_probe()
155 		data->cpu_priv.slot_width = 24;  in imx_hdmi_probe()
157 		data->dai_fmt = SND_SOC_DAIFMT_I2S;  in imx_hdmi_probe()
158 		data->cpu_priv.slot_width = 32;  in imx_hdmi_probe()
162 		dev_err(&pdev->dev, "Invalid HDMI DAI link\n");  in imx_hdmi_probe()
163 		ret = -EINVAL;  in imx_hdmi_probe()
168 		data->dai.playback_only = true;  in imx_hdmi_probe()
169 		data->dai.capture_only = false;  in imx_hdmi_probe()
170 		data->dai.codecs->dai_name = "i2s-hifi";  in imx_hdmi_probe()
171 		data->dai.codecs->name = "hdmi-audio-codec.1";  in imx_hdmi_probe()
172 		data->dai.dai_fmt = data->dai_fmt |  in imx_hdmi_probe()
178 		data->dai.playback_only = false;  in imx_hdmi_probe()
179 		data->dai.capture_only = true;  in imx_hdmi_probe()
180 		data->dai.codecs->dai_name = "i2s-hifi";  in imx_hdmi_probe()
181 		data->dai.codecs->name = "hdmi-audio-codec.2";  in imx_hdmi_probe()
182 		data->dai.dai_fmt = data->dai_fmt |  in imx_hdmi_probe()
187 	data->card.dapm_widgets = imx_hdmi_widgets;  in imx_hdmi_probe()
188 	data->card.num_dapm_widgets = ARRAY_SIZE(imx_hdmi_widgets);  in imx_hdmi_probe()
189 	data->card.dev = &pdev->dev;  in imx_hdmi_probe()
190 	data->card.owner = THIS_MODULE;  in imx_hdmi_probe()
191 	ret = snd_soc_of_parse_card_name(&data->card, "model");  in imx_hdmi_probe()
195 	data->card.num_links = 1;  in imx_hdmi_probe()
196 	data->card.dai_link = &data->dai;  in imx_hdmi_probe()
198 	snd_soc_card_set_drvdata(&data->card, data);  in imx_hdmi_probe()
199 	ret = devm_snd_soc_register_card(&pdev->dev, &data->card);  in imx_hdmi_probe()
201 		dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);  in imx_hdmi_probe()
213 	{ .compatible = "fsl,imx-audio-hdmi", },
214 	{ .compatible = "fsl,imx-audio-sii902x", },
221 		.name = "imx-hdmi",
230 MODULE_DESCRIPTION("Freescale i.MX hdmi audio ASoC machine driver");
232 MODULE_ALIAS("platform:imx-hdmi");