1 // SPDX-License-Identifier: GPL-2.0-only
22 #include <asm/mach-types.h>
32 	struct snd_soc_card *soc_card = rtd->card;  in evm_startup()
36 	if (drvdata->mclk)  in evm_startup()
37 		return clk_prepare_enable(drvdata->mclk);  in evm_startup()
45 	struct snd_soc_card *soc_card = rtd->card;  in evm_shutdown()
49 	clk_disable_unprepare(drvdata->mclk);  in evm_shutdown()
58 	struct snd_soc_card *soc_card = rtd->card;  in evm_hw_params()
61 			   snd_soc_card_get_drvdata(soc_card))->sysclk;  in evm_hw_params()
70 	if (ret < 0 && ret != -ENOTSUPP)  in evm_hw_params()
82 /* davinci-evm machine dapm widgets */
90 /* davinci-evm machine audio_mapnections to the codec pins */
112 /* Logic for a aic3x as connected on a davinci-evm */
115 	struct snd_soc_card *card = rtd->card;  in evm_aic3x_init()
116 	struct device_node *np = card->dev->of_node;  in evm_aic3x_init()
119 	/* Add davinci-evm specific widgets */  in evm_aic3x_init()
120 	snd_soc_dapm_new_controls(&card->dapm, aic3x_dapm_widgets,  in evm_aic3x_init()
124 		ret = snd_soc_of_parse_audio_routing(card, "ti,audio-routing");  in evm_aic3x_init()
128 		/* Set up davinci-evm specific audio path audio_map */  in evm_aic3x_init()
129 		snd_soc_dapm_add_routes(&card->dapm, audio_map,  in evm_aic3x_init()
134 	snd_soc_dapm_nc_pin(&card->dapm, "MONO_LOUT");  in evm_aic3x_init()
135 	snd_soc_dapm_nc_pin(&card->dapm, "HPLCOM");  in evm_aic3x_init()
136 	snd_soc_dapm_nc_pin(&card->dapm, "HPRCOM");  in evm_aic3x_init()
147 	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "tlv320aic3x-hifi")),
162 		.compatible = "ti,da830-evm-audio",
169 /* davinci evm audio machine driver */
177 	struct device_node *np = pdev->dev.of_node;  in davinci_evm_probe()
183 	dai = (struct snd_soc_dai_link *) device_get_match_data(&pdev->dev);  in davinci_evm_probe()
185 		dev_err(&pdev->dev, "Error: No device match found\n");  in davinci_evm_probe()
186 		return -ENODEV;  in davinci_evm_probe()
191 	dai->codecs->of_node = of_parse_phandle(np, "ti,audio-codec", 0);  in davinci_evm_probe()
192 	if (!dai->codecs->of_node)  in davinci_evm_probe()
193 		return -EINVAL;  in davinci_evm_probe()
195 	dai->cpus->of_node = of_parse_phandle(np, "ti,mcasp-controller", 0);  in davinci_evm_probe()
196 	if (!dai->cpus->of_node)  in davinci_evm_probe()
197 		return -EINVAL;  in davinci_evm_probe()
199 	dai->platforms->of_node = dai->cpus->of_node;  in davinci_evm_probe()
201 	evm_soc_card.dev = &pdev->dev;  in davinci_evm_probe()
206 	mclk = devm_clk_get(&pdev->dev, "mclk");  in davinci_evm_probe()
207 	if (PTR_ERR(mclk) == -EPROBE_DEFER) {  in davinci_evm_probe()
208 		return -EPROBE_DEFER;  in davinci_evm_probe()
210 		dev_dbg(&pdev->dev, "mclk not found.\n");  in davinci_evm_probe()
214 	drvdata = devm_kzalloc(&pdev->dev, sizeof(*drvdata), GFP_KERNEL);  in davinci_evm_probe()
216 		return -ENOMEM;  in davinci_evm_probe()
218 	drvdata->mclk = mclk;  in davinci_evm_probe()
220 	ret = of_property_read_u32(np, "ti,codec-clock-rate", &drvdata->sysclk);  in davinci_evm_probe()
223 		if (!drvdata->mclk) {  in davinci_evm_probe()
224 			dev_err(&pdev->dev,  in davinci_evm_probe()
226 			return -EINVAL;  in davinci_evm_probe()
228 		drvdata->sysclk = clk_get_rate(drvdata->mclk);  in davinci_evm_probe()
229 	} else if (drvdata->mclk) {  in davinci_evm_probe()
230 		unsigned int requestd_rate = drvdata->sysclk;  in davinci_evm_probe()
231 		clk_set_rate(drvdata->mclk, drvdata->sysclk);  in davinci_evm_probe()
232 		drvdata->sysclk = clk_get_rate(drvdata->mclk);  in davinci_evm_probe()
233 		if (drvdata->sysclk != requestd_rate)  in davinci_evm_probe()
234 			dev_warn(&pdev->dev,  in davinci_evm_probe()
236 				 requestd_rate, drvdata->sysclk);  in davinci_evm_probe()
240 	ret = devm_snd_soc_register_card(&pdev->dev, &evm_soc_card);  in davinci_evm_probe()
243 		dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);  in davinci_evm_probe()