1 // SPDX-License-Identifier: GPL-2.0-only
15 #include <sound/soc-dapm.h>
20 /* sysconf 5041: Audio-Gue-Control */
22 /* sysconf 5042: Audio-DAC-Control */
54 	int mclk;  member
59 	int mclk;  member
84 	status = regmap_read(drvdata->dac.regmap, reg, &val);  in sti_sas_read_reg()
96 	return regmap_write(drvdata->dac.regmap, reg, value);  in sti_sas_write_reg()
108 	/* Initialise bi-phase formatter to disabled */  in sti_sas_init_sas_registers()
113 		/* Initialise bi-phase formatter idle value to 0 */  in sti_sas_init_sas_registers()
117 		dev_err(component->dev, "Failed to update SPDIF registers\n");  in sti_sas_init_sas_registers()
137 		dev_err(component->dev, "Failed to update DAC registers\n");  in sti_sas_init_sas_registers()
151 		dev_err(dai->component->dev,  in sti_sas_dac_set_fmt()
154 		return -EINVAL;  in sti_sas_dac_set_fmt()
176 	struct snd_soc_component *component = dai->component;  in stih407_sas_dac_mute()
196 		dev_err(dai->component->dev,  in sti_sas_spdif_set_fmt()
199 		return -EINVAL;  in sti_sas_spdif_set_fmt()
214 	struct snd_soc_component *component = dai->component;  in sti_sas_spdif_trigger()
230 		return -EINVAL;  in sti_sas_spdif_trigger()
248  * get MCLK input frequency to check that MCLK-FS ratio is coherent
253 	struct snd_soc_component *component = dai->component;  in sti_sas_set_sysclk()
254 	struct sti_sas_data *drvdata = dev_get_drvdata(component->dev);  in sti_sas_set_sysclk()
260 		return -EINVAL;  in sti_sas_set_sysclk()
262 	switch (dai->id) {  in sti_sas_set_sysclk()
264 		drvdata->spdif.mclk = freq;  in sti_sas_set_sysclk()
268 		drvdata->dac.mclk = freq;  in sti_sas_set_sysclk()
278 	struct snd_soc_component *component = dai->component;  in sti_sas_prepare()
279 	struct sti_sas_data *drvdata = dev_get_drvdata(component->dev);  in sti_sas_prepare()
280 	struct snd_pcm_runtime *runtime = substream->runtime;  in sti_sas_prepare()
282 	switch (dai->id) {  in sti_sas_prepare()
284 		if ((drvdata->spdif.mclk / runtime->rate) != 128) {  in sti_sas_prepare()
285 			dev_err(component->dev, "unexpected mclk-fs ratio\n");  in sti_sas_prepare()
286 			return -EINVAL;  in sti_sas_prepare()
290 		if ((drvdata->dac.mclk / runtime->rate) != 256) {  in sti_sas_prepare()
291 			dev_err(component->dev, "unexpected mclk-fs ratio\n");  in sti_sas_prepare()
292 			return -EINVAL;  in sti_sas_prepare()
327 		.name = "sas-dai-spdif-out",
350 		.name = "sas-dai-dac",
366 	struct sti_sas_data *drvdata = dev_get_drvdata(component->dev);  in sti_sas_resume()
376 	struct sti_sas_data *drvdata = dev_get_drvdata(component->dev);  in sti_sas_component_probe()
395 		.compatible = "st,stih407-sas-codec",
404 	struct device_node *pnode = pdev->dev.of_node;  in sti_sas_driver_probe()
409 	drvdata = devm_kzalloc(&pdev->dev, sizeof(struct sti_sas_data),  in sti_sas_driver_probe()
412 		return -ENOMEM;  in sti_sas_driver_probe()
416 	if (!of_id->data) {  in sti_sas_driver_probe()
417 		dev_err(&pdev->dev, "data associated to device is missing\n");  in sti_sas_driver_probe()
418 		return -EINVAL;  in sti_sas_driver_probe()
421 	drvdata->dev_data = (struct sti_sas_dev_data *)of_id->data;  in sti_sas_driver_probe()
424 	drvdata->dev = &pdev->dev;  in sti_sas_driver_probe()
427 	drvdata->dac.virt_regmap = devm_regmap_init(&pdev->dev, NULL, drvdata,  in sti_sas_driver_probe()
428 						    drvdata->dev_data->regmap);  in sti_sas_driver_probe()
429 	if (IS_ERR(drvdata->dac.virt_regmap)) {  in sti_sas_driver_probe()
430 		dev_err(&pdev->dev, "audio registers not enabled\n");  in sti_sas_driver_probe()
431 		return PTR_ERR(drvdata->dac.virt_regmap);  in sti_sas_driver_probe()
435 	drvdata->dac.regmap =  in sti_sas_driver_probe()
437 	if (IS_ERR(drvdata->dac.regmap)) {  in sti_sas_driver_probe()
438 		dev_err(&pdev->dev, "syscon registers not available\n");  in sti_sas_driver_probe()
439 		return PTR_ERR(drvdata->dac.regmap);  in sti_sas_driver_probe()
441 	drvdata->spdif.regmap = drvdata->dac.regmap;  in sti_sas_driver_probe()
443 	sti_sas_dai[STI_SAS_DAI_ANALOG_OUT].ops = drvdata->dev_data->dac_ops;  in sti_sas_driver_probe()
446 	dev_set_drvdata(&pdev->dev, drvdata);  in sti_sas_driver_probe()
448 	return devm_snd_soc_register_component(&pdev->dev, &sti_sas_driver,  in sti_sas_driver_probe()
455 		.name = "sti-sas-codec",