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
27 #include <sound/soc-acpi.h>
29 #include "../atom/sst-atom-controls.h"
51 /* Note these values are pre-shifted for easy use of setting quirks */
59 static int quirk_override = -1;
61 MODULE_PARM_DESC(quirk, "Board-specific quirk override");
102 	struct snd_soc_card *card = w->dapm->card;  in byt_wm5102_spkvdd_power_event()
105 	gpiod_set_value_cansleep(priv->spkvdd_en_gpio,  in byt_wm5102_spkvdd_power_event()
113 	struct snd_soc_component *codec_component = codec_dai->component;  in byt_wm5102_prepare_and_enable_pll1()
114 	struct byt_wm5102_private *priv = snd_soc_card_get_drvdata(codec_component->card);  in byt_wm5102_prepare_and_enable_pll1()
126 				  priv->mclk_freq, rate * sr_mult);  in byt_wm5102_prepare_and_enable_pll1()
128 		dev_err(codec_component->dev, "Error setting PLL: %d\n", ret);  in byt_wm5102_prepare_and_enable_pll1()
136 		dev_err(codec_component->dev, "Error setting SYSCLK: %d\n", ret);  in byt_wm5102_prepare_and_enable_pll1()
143 		dev_err(codec_component->dev, "Error setting clock: %d\n", ret);  in byt_wm5102_prepare_and_enable_pll1()
153 	struct snd_soc_dapm_context *dapm = w->dapm;  in platform_clock_control()
154 	struct snd_soc_card *card = dapm->card;  in platform_clock_control()
159 	codec_dai = snd_soc_card_get_codec_dai(card, "wm5102-aif1");  in platform_clock_control()
161 		dev_err(card->dev, "Error codec DAI not found\n");  in platform_clock_control()
162 		return -EIO;  in platform_clock_control()
166 		ret = clk_prepare_enable(priv->mclk);  in platform_clock_control()
168 			dev_err(card->dev, "Error enabling MCLK: %d\n", ret);  in platform_clock_control()
173 			dev_err(card->dev, "Error setting codec sysclk: %d\n", ret);  in platform_clock_control()
178 		 * The WM5102 has a separate 32KHz clock for jack-detect  in platform_clock_control()
180 		 * platform clock which is the source-clock for the PLL.  in platform_clock_control()
183 		clk_disable_unprepare(priv->mclk);  in platform_clock_control()
215 	 * is connected, as the MICBIAS is applied after the CTIA/OMTP cross-switch.
223 	{"AIF1 Playback", NULL, "ssp0 Tx"},
226 	{"ssp0 Rx", NULL, "AIF1 Capture"},
230 	{"AIF1 Playback", NULL, "ssp2 Tx"},
235 	{"ssp2 Rx", NULL, "AIF1 Capture"},
285 	struct snd_soc_card *card = runtime->card;  in byt_wm5102_init()
287 	struct snd_soc_component *component = snd_soc_rtd_to_codec(runtime, 0)->component;  in byt_wm5102_init()
291 	card->dapm.idle_bias_off = true;  in byt_wm5102_init()
296 		dev_err(card->dev, "Error adding card controls: %d\n", ret);  in byt_wm5102_init()
310 	ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);  in byt_wm5102_init()
324 	ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);  in byt_wm5102_init()
335 	ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);  in byt_wm5102_init()
340 		priv->mclk_freq = 19200000;  in byt_wm5102_init()
342 		priv->mclk_freq = 25000000;  in byt_wm5102_init()
352 	ret = clk_prepare_enable(priv->mclk);  in byt_wm5102_init()
354 		clk_disable_unprepare(priv->mclk);  in byt_wm5102_init()
356 	ret = clk_set_rate(priv->mclk, priv->mclk_freq);  in byt_wm5102_init()
358 		dev_err(card->dev, "Error setting MCLK rate: %d\n", ret);  in byt_wm5102_init()
365 					 &priv->jack, byt_wm5102_pins,  in byt_wm5102_init()
368 		dev_err(card->dev, "Error creating jack: %d\n", ret);  in byt_wm5102_init()
372 	snd_soc_component_set_jack(component, &priv->jack, NULL);  in byt_wm5102_init()
386 	/* The DSP will convert the FE rate to 48k, stereo */  in byt_wm5102_codec_fixup()
387 	rate->min = 48000;  in byt_wm5102_codec_fixup()
388 	rate->max = 48000;  in byt_wm5102_codec_fixup()
389 	channels->min = 2;  in byt_wm5102_codec_fixup()
390 	channels->max = 2;  in byt_wm5102_codec_fixup()
393 		/* set SSP2 to 24-bit */  in byt_wm5102_codec_fixup()
397 		/* set SSP0 to 16-bit */  in byt_wm5102_codec_fixup()
404 	 * with explicit setting to I2S 2ch 16-bit. The word length is set with  in byt_wm5102_codec_fixup()
412 		dev_err(rtd->dev, "Error setting format to I2S: %d\n", ret);  in byt_wm5102_codec_fixup()
418 		dev_err(rtd->dev, "Error setting I2S config: %d\n", ret);  in byt_wm5102_codec_fixup()
427 	return snd_pcm_hw_constraint_single(substream->runtime,  in byt_wm5102_aif1_startup()
439 	DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
442 	DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
445 	DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port")));
450 	 * Note there is no need to overwrite the codec-name as is done in
451 	 * other bytcr machine drivers, because the codec is a MFD child-dev.
453 	"wm5102-codec",
454 	"wm5102-aif1")));
457 	DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
470 		.name = "Deep-Buffer Audio Port",
471 		.stream_name = "Deep-Buffer Audio",
482 		 * Yet its name is always kept as "SSP2-Codec" because the SOF
483 		 * tplg files hardcode "SSP2-Codec" even in byt-foo-ssp0.tplg.
485 		.name = "SSP2-Codec",
497 #define SOF_CARD_NAME "bytcht wm5102" /* card name will be 'sof-bytcht wm5102' */
500 #define CARD_NAME "bytcr-wm5102"
515 static char byt_wm5102_components[64]; /* = "cfg-spk:* cfg-int-mic:* cfg-hs-mic:* ..." */
523 	struct device *dev = &pdev->dev;  in snd_byt_wm5102_mc_probe()
535 		return -ENOMEM;  in snd_byt_wm5102_mc_probe()
538 	priv->mclk = devm_clk_get(dev, "pmc_plt_clk_3");  in snd_byt_wm5102_mc_probe()
539 	if (IS_ERR(priv->mclk))  in snd_byt_wm5102_mc_probe()
540 		return dev_err_probe(dev, PTR_ERR(priv->mclk), "getting pmc_plt_clk_3\n");  in snd_byt_wm5102_mc_probe()
544 	 * 1. Get codec-device-name  in snd_byt_wm5102_mc_probe()
545 	 * 2. Get codec-device  in snd_byt_wm5102_mc_probe()
546 	 * 3. Get GPIO from codec-device  in snd_byt_wm5102_mc_probe()
548 	mach = dev->platform_data;  in snd_byt_wm5102_mc_probe()
549 	adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);  in snd_byt_wm5102_mc_probe()
551 		snprintf(codec_name, sizeof(codec_name), "spi-%s", acpi_dev_name(adev));  in snd_byt_wm5102_mc_probe()
560 		return -EPROBE_DEFER;  in snd_byt_wm5102_mc_probe()
563 	priv->spkvdd_en_gpio = gpiod_get(codec_dev, "wlf,spkvdd-ena", GPIOD_OUT_LOW);  in snd_byt_wm5102_mc_probe()
566 	if (IS_ERR(priv->spkvdd_en_gpio)) {  in snd_byt_wm5102_mc_probe()
567 		ret = PTR_ERR(priv->spkvdd_en_gpio);  in snd_byt_wm5102_mc_probe()
569 		 * The spkvdd gpio-lookup is registered by: drivers/mfd/arizona-spi.c,  in snd_byt_wm5102_mc_probe()
570 		 * so -ENOENT means that arizona-spi hasn't probed yet.  in snd_byt_wm5102_mc_probe()
572 		if (ret == -ENOENT)  in snd_byt_wm5102_mc_probe()
573 			ret = -EPROBE_DEFER;  in snd_byt_wm5102_mc_probe()
575 		return dev_err_probe(dev, ret, "getting spkvdd-GPIO\n");  in snd_byt_wm5102_mc_probe()
588 	if (quirk_override != -1) {  in snd_byt_wm5102_mc_probe()
596 		 "cfg-spk:%s cfg-intmic:%s cfg-hsmic:%s",  in snd_byt_wm5102_mc_probe()
605 		    !strcmp(byt_wm5102_dais[i].codecs->name,  in snd_byt_wm5102_mc_probe()
606 			    "wm5102-codec")) {  in snd_byt_wm5102_mc_probe()
614 	platform_name = mach->mach_params.platform;  in snd_byt_wm5102_mc_probe()
621 		byt_wm5102_dais[dai_index].cpus->dai_name = "ssp2-port";  in snd_byt_wm5102_mc_probe()
623 	/* set card and driver name and pm-ops */  in snd_byt_wm5102_mc_probe()
628 		dev->driver->pm = &snd_soc_pm_ops;  in snd_byt_wm5102_mc_probe()
645 	gpiod_put(priv->spkvdd_en_gpio);  in snd_byt_wm5102_mc_probe()
654 	gpiod_put(priv->spkvdd_en_gpio);  in snd_byt_wm5102_mc_remove()