1 // SPDX-License-Identifier: GPL-2.0-only
3  *  bytcr_wm5102.c - ASoc Machine driver for Intel Baytrail platforms with a
8  *  Copyright (C) 2014-2020 Intel Corp
25 #include <sound/soc-acpi.h>
27 #include "../atom/sst-atom-controls.h"
41 	struct snd_kcontrol *kcontrol, int event)  in byt_wm5102_spkvdd_power_event()  argument
43 	struct snd_soc_card *card = w->dapm->card;  in byt_wm5102_spkvdd_power_event()
46 	gpiod_set_value_cansleep(priv->spkvdd_en_gpio,  in byt_wm5102_spkvdd_power_event()
47 				 !!SND_SOC_DAPM_EVENT_ON(event));  in byt_wm5102_spkvdd_power_event()
54 	struct snd_soc_component *codec_component = codec_dai->component;  in byt_wm5102_prepare_and_enable_pll1()
68 		dev_err(codec_component->dev, "Error setting PLL: %d\n", ret);  in byt_wm5102_prepare_and_enable_pll1()
76 		dev_err(codec_component->dev, "Error setting SYSCLK: %d\n", ret);  in byt_wm5102_prepare_and_enable_pll1()
83 		dev_err(codec_component->dev, "Error setting clock: %d\n", ret);  in byt_wm5102_prepare_and_enable_pll1()
91 				  struct snd_kcontrol *k, int event)  in platform_clock_control()  argument
93 	struct snd_soc_dapm_context *dapm = w->dapm;  in platform_clock_control()
94 	struct snd_soc_card *card = dapm->card;  in platform_clock_control()
99 	codec_dai = snd_soc_card_get_codec_dai(card, "wm5102-aif1");  in platform_clock_control()
101 		dev_err(card->dev, "Error codec DAI not found\n");  in platform_clock_control()
102 		return -EIO;  in platform_clock_control()
105 	if (SND_SOC_DAPM_EVENT_ON(event)) {  in platform_clock_control()
106 		ret = clk_prepare_enable(priv->mclk);  in platform_clock_control()
108 			dev_err(card->dev, "Error enabling MCLK: %d\n", ret);  in platform_clock_control()
113 			dev_err(card->dev, "Error setting codec sysclk: %d\n", ret);  in platform_clock_control()
118 		 * The WM5102 has a separate 32KHz clock for jack-detect  in platform_clock_control()
120 		 * platform clock which is the source-clock for the PLL.  in platform_clock_control()
123 		clk_disable_unprepare(priv->mclk);  in platform_clock_control()
162 	 * is connected, as the MICBIAS is applied after the CTIA/OMTP cross-switch.
195 	struct snd_soc_card *card = runtime->card;  in byt_wm5102_init()
197 	struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component;  in byt_wm5102_init()
200 	card->dapm.idle_bias_off = true;  in byt_wm5102_init()
205 		dev_err(card->dev, "Error adding card controls: %d\n", ret);  in byt_wm5102_init()
217 	ret = clk_prepare_enable(priv->mclk);  in byt_wm5102_init()
219 		clk_disable_unprepare(priv->mclk);  in byt_wm5102_init()
221 	ret = clk_set_rate(priv->mclk, MCLK_FREQ);  in byt_wm5102_init()
223 		dev_err(card->dev, "Error setting MCLK rate: %d\n", ret);  in byt_wm5102_init()
230 					 &priv->jack, byt_wm5102_pins,  in byt_wm5102_init()
233 		dev_err(card->dev, "Error creating jack: %d\n", ret);  in byt_wm5102_init()
237 	snd_soc_component_set_jack(component, &priv->jack, NULL);  in byt_wm5102_init()
252 	rate->min = 48000;  in byt_wm5102_codec_fixup()
253 	rate->max = 48000;  in byt_wm5102_codec_fixup()
254 	channels->min = 2;  in byt_wm5102_codec_fixup()
255 	channels->max = 2;  in byt_wm5102_codec_fixup()
257 	/* set SSP0 to 16-bit */  in byt_wm5102_codec_fixup()
262 	 * with explicit setting to I2S 2ch 16-bit. The word length is set with  in byt_wm5102_codec_fixup()
270 		dev_err(rtd->dev, "Error setting format to I2S: %d\n", ret);  in byt_wm5102_codec_fixup()
276 		dev_err(rtd->dev, "Error setting I2S config: %d\n", ret);  in byt_wm5102_codec_fixup()
285 	return snd_pcm_hw_constraint_single(substream->runtime,  in byt_wm5102_aif1_startup()
297 	DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
300 	DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
303 	DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port")));
308 	 * Note there is no need to overwrite the codec-name as is done in
309 	 * other bytcr machine drivers, because the codec is a MFD child-dev.
311 	"wm5102-codec",
312 	"wm5102-aif1")));
315 	DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
330 		.name = "Deep-Buffer Audio Port",
331 		.stream_name = "Deep-Buffer Audio",
341 		 * This must be named SSP2-Codec even though this machine driver
344 		 * as "SSP2-Codec". The SOF tplg files hardcode the "SSP2-Codec" even
345 		 * in the byt-foo-ssp0.tplg versions because the other machine-drivers
346 		 * use "SSP2-Codec" even when SSP0 is used.
348 		.name = "SSP2-Codec",
362 #define SOF_CARD_NAME "bytcht wm5102" /* card name will be 'sof-bytcht wm5102' */
365 #define CARD_NAME "bytcr-wm5102"
383 	struct device *dev = &pdev->dev;  in snd_byt_wm5102_mc_probe()
394 		return -ENOMEM;  in snd_byt_wm5102_mc_probe()
397 	priv->mclk = devm_clk_get(dev, "pmc_plt_clk_3");  in snd_byt_wm5102_mc_probe()
398 	if (IS_ERR(priv->mclk))  in snd_byt_wm5102_mc_probe()
399 		return dev_err_probe(dev, PTR_ERR(priv->mclk), "getting pmc_plt_clk_3\n");  in snd_byt_wm5102_mc_probe()
403 	 * 1. Get codec-device-name  in snd_byt_wm5102_mc_probe()
404 	 * 2. Get codec-device  in snd_byt_wm5102_mc_probe()
405 	 * 3. Get GPIO from codec-device  in snd_byt_wm5102_mc_probe()
407 	mach = dev->platform_data;  in snd_byt_wm5102_mc_probe()
408 	adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);  in snd_byt_wm5102_mc_probe()
410 		dev_err(dev, "Error cannot find acpi-dev for codec\n");  in snd_byt_wm5102_mc_probe()
411 		return -ENOENT;  in snd_byt_wm5102_mc_probe()
413 	snprintf(codec_name, sizeof(codec_name), "spi-%s", acpi_dev_name(adev));  in snd_byt_wm5102_mc_probe()
414 	put_device(&adev->dev);  in snd_byt_wm5102_mc_probe()
418 		return -EPROBE_DEFER;  in snd_byt_wm5102_mc_probe()
421 	priv->spkvdd_en_gpio = gpiod_get(codec_dev, "wlf,spkvdd-ena", GPIOD_OUT_LOW);  in snd_byt_wm5102_mc_probe()
424 	if (IS_ERR(priv->spkvdd_en_gpio)) {  in snd_byt_wm5102_mc_probe()
425 		ret = PTR_ERR(priv->spkvdd_en_gpio);  in snd_byt_wm5102_mc_probe()
427 		 * The spkvdd gpio-lookup is registered by: drivers/mfd/arizona-spi.c,  in snd_byt_wm5102_mc_probe()
428 		 * so -ENOENT means that arizona-spi hasn't probed yet.  in snd_byt_wm5102_mc_probe()
430 		if (ret == -ENOENT)  in snd_byt_wm5102_mc_probe()
431 			ret = -EPROBE_DEFER;  in snd_byt_wm5102_mc_probe()
433 		return dev_err_probe(dev, ret, "getting spkvdd-GPIO\n");  in snd_byt_wm5102_mc_probe()
438 	platform_name = mach->mach_params.platform;  in snd_byt_wm5102_mc_probe()
443 	/* set card and driver name and pm-ops */  in snd_byt_wm5102_mc_probe()
448 		dev->driver->pm = &snd_soc_pm_ops;  in snd_byt_wm5102_mc_probe()
465 	gpiod_put(priv->spkvdd_en_gpio);  in snd_byt_wm5102_mc_probe()
474 	gpiod_put(priv->spkvdd_en_gpio);  in snd_byt_wm5102_mc_remove()