1 // SPDX-License-Identifier: GPL-2.0+
14 #include "imx-audmux.h"
24 	unsigned int clk_frequency;
27 static int imx_sgtl5000_dai_init(struct snd_soc_pcm_runtime *rtd)  in imx_sgtl5000_dai_init()
29 	struct imx_sgtl5000_data *data = snd_soc_card_get_drvdata(rtd->card);  in imx_sgtl5000_dai_init()
30 	struct device *dev = rtd->card->dev;  in imx_sgtl5000_dai_init()
31 	int ret;  in imx_sgtl5000_dai_init()
34 				     data->clk_frequency, SND_SOC_CLOCK_IN);  in imx_sgtl5000_dai_init()
51 static int imx_sgtl5000_probe(struct platform_device *pdev)  in imx_sgtl5000_probe()
53 	struct device_node *np = pdev->dev.of_node;  in imx_sgtl5000_probe()
59 	int int_port, ext_port;  in imx_sgtl5000_probe()
60 	int ret;  in imx_sgtl5000_probe()
62 	ret = of_property_read_u32(np, "mux-int-port", &int_port);  in imx_sgtl5000_probe()
64 		dev_err(&pdev->dev, "mux-int-port missing or invalid\n");  in imx_sgtl5000_probe()
67 	ret = of_property_read_u32(np, "mux-ext-port", &ext_port);  in imx_sgtl5000_probe()
69 		dev_err(&pdev->dev, "mux-ext-port missing or invalid\n");  in imx_sgtl5000_probe()
74 	 * The port numbering in the hardware manual starts at 1, while  in imx_sgtl5000_probe()
77 	int_port--;  in imx_sgtl5000_probe()
78 	ext_port--;  in imx_sgtl5000_probe()
87 		dev_err(&pdev->dev, "audmux internal port setup failed\n");  in imx_sgtl5000_probe()
94 		dev_err(&pdev->dev, "audmux external port setup failed\n");  in imx_sgtl5000_probe()
98 	ssi_np = of_parse_phandle(pdev->dev.of_node, "ssi-controller", 0);  in imx_sgtl5000_probe()
99 	codec_np = of_parse_phandle(pdev->dev.of_node, "audio-codec", 0);  in imx_sgtl5000_probe()
101 		dev_err(&pdev->dev, "phandle missing or invalid\n");  in imx_sgtl5000_probe()
102 		ret = -EINVAL;  in imx_sgtl5000_probe()
108 		dev_dbg(&pdev->dev, "failed to find SSI platform device\n");  in imx_sgtl5000_probe()
109 		ret = -EPROBE_DEFER;  in imx_sgtl5000_probe()
112 	put_device(&ssi_pdev->dev);  in imx_sgtl5000_probe()
115 		dev_dbg(&pdev->dev, "failed to find codec platform device\n");  in imx_sgtl5000_probe()
116 		ret = -EPROBE_DEFER;  in imx_sgtl5000_probe()
120 	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);  in imx_sgtl5000_probe()
122 		ret = -ENOMEM;  in imx_sgtl5000_probe()
126 	comp = devm_kzalloc(&pdev->dev, 3 * sizeof(*comp), GFP_KERNEL);  in imx_sgtl5000_probe()
128 		ret = -ENOMEM;  in imx_sgtl5000_probe()
132 	data->codec_clk = clk_get(&codec_dev->dev, NULL);  in imx_sgtl5000_probe()
133 	if (IS_ERR(data->codec_clk)) {  in imx_sgtl5000_probe()
134 		ret = PTR_ERR(data->codec_clk);  in imx_sgtl5000_probe()
138 	data->clk_frequency = clk_get_rate(data->codec_clk);  in imx_sgtl5000_probe()
140 	data->dai.cpus		= &comp[0];  in imx_sgtl5000_probe()
141 	data->dai.codecs	= &comp[1];  in imx_sgtl5000_probe()
142 	data->dai.platforms	= &comp[2];  in imx_sgtl5000_probe()
144 	data->dai.num_cpus	= 1;  in imx_sgtl5000_probe()
145 	data->dai.num_codecs	= 1;  in imx_sgtl5000_probe()
146 	data->dai.num_platforms	= 1;  in imx_sgtl5000_probe()
148 	data->dai.name = "HiFi";  in imx_sgtl5000_probe()
149 	data->dai.stream_name = "HiFi";  in imx_sgtl5000_probe()
150 	data->dai.codecs->dai_name = "sgtl5000";  in imx_sgtl5000_probe()
151 	data->dai.codecs->of_node = codec_np;  in imx_sgtl5000_probe()
152 	data->dai.cpus->of_node = ssi_np;  in imx_sgtl5000_probe()
153 	data->dai.platforms->of_node = ssi_np;  in imx_sgtl5000_probe()
154 	data->dai.init = &imx_sgtl5000_dai_init;  in imx_sgtl5000_probe()
155 	data->dai.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |  in imx_sgtl5000_probe()
158 	data->card.dev = &pdev->dev;  in imx_sgtl5000_probe()
159 	ret = snd_soc_of_parse_card_name(&data->card, "model");  in imx_sgtl5000_probe()
162 	ret = snd_soc_of_parse_audio_routing(&data->card, "audio-routing");  in imx_sgtl5000_probe()
165 	data->card.num_links = 1;  in imx_sgtl5000_probe()
166 	data->card.owner = THIS_MODULE;  in imx_sgtl5000_probe()
167 	data->card.dai_link = &data->dai;  in imx_sgtl5000_probe()
168 	data->card.dapm_widgets = imx_sgtl5000_dapm_widgets;  in imx_sgtl5000_probe()
169 	data->card.num_dapm_widgets = ARRAY_SIZE(imx_sgtl5000_dapm_widgets);  in imx_sgtl5000_probe()
171 	platform_set_drvdata(pdev, &data->card);  in imx_sgtl5000_probe()
172 	snd_soc_card_set_drvdata(&data->card, data);  in imx_sgtl5000_probe()
174 	ret = devm_snd_soc_register_card(&pdev->dev, &data->card);  in imx_sgtl5000_probe()
176 		dev_err_probe(&pdev->dev, ret, "snd_soc_register_card failed\n");  in imx_sgtl5000_probe()
186 	put_device(&codec_dev->dev);  in imx_sgtl5000_probe()
188 	if (data && !IS_ERR(data->codec_clk))  in imx_sgtl5000_probe()
189 		clk_put(data->codec_clk);  in imx_sgtl5000_probe()
201 	clk_put(data->codec_clk);  in imx_sgtl5000_remove()
205 	{ .compatible = "fsl,imx-audio-sgtl5000", },
212 		.name = "imx-sgtl5000",
224 MODULE_ALIAS("platform:imx-sgtl5000");