1 files changed, 79 insertions, 272 deletions

diff --git a/sound/soc/tegra/tegra_wm8903.c b/sound/soc/tegra/tegra_wm8903.c
index e4863fa37b0c..5751fb398c1a 100644
--- a/sound/soc/tegra/tegra_wm8903.c
+++ b/sound/soc/tegra/tegra_wm8903.c
@@ -14,44 +14,27 @@
  *         graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
  */
 
+#include <linux/gpio/consumer.h>
+#include <linux/of.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
-#include <linux/slab.h>
-#include <linux/gpio.h>
-#include <linux/of_gpio.h>
 
 #include <sound/core.h>
 #include <sound/jack.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
 #include <sound/soc.h>
 
 #include "../codecs/wm8903.h"
 
-#include "tegra_asoc_utils.h"
+#include "tegra_asoc_machine.h"
 
-#define DRV_NAME "tegra-snd-wm8903"
-
-struct tegra_wm8903 {
-	int gpio_spkr_en;
-	int gpio_hp_det;
-	int gpio_hp_mute;
-	int gpio_int_mic_en;
-	int gpio_ext_mic_en;
-	struct tegra_asoc_utils_data util_data;
+static struct snd_soc_jack_pin tegra_wm8903_mic_jack_pins[] = {
+	{ .pin = "Mic Jack", .mask = SND_JACK_MICROPHONE },
 };
 
-static int tegra_wm8903_hw_params(struct snd_pcm_substream *substream,
-					struct snd_pcm_hw_params *params)
+static unsigned int tegra_wm8903_mclk_rate(unsigned int srate)
 {
-	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
-	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
-	struct snd_soc_card *card = rtd->card;
-	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
-	int srate, mclk;
-	int err;
+	unsigned int mclk;
 
-	srate = params_rate(params);
 	switch (srate) {
 	case 64000:
 	case 88200:
@@ -66,140 +49,53 @@ static int tegra_wm8903_hw_params(struct snd_pcm_substream *substream,
 	while (mclk < 6000000)
 		mclk *= 2;
 
-	err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk);
-	if (err < 0) {
-		dev_err(card->dev, "Can't configure clocks\n");
-		return err;
-	}
-
-	err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
-					SND_SOC_CLOCK_IN);
-	if (err < 0) {
-		dev_err(card->dev, "codec_dai clock not set\n");
-		return err;
-	}
-
-	return 0;
+	return mclk;
 }
 
-static const struct snd_soc_ops tegra_wm8903_ops = {
-	.hw_params = tegra_wm8903_hw_params,
-};
-
-static struct snd_soc_jack tegra_wm8903_hp_jack;
-
-static struct snd_soc_jack_pin tegra_wm8903_hp_jack_pins[] = {
-	{
-		.pin = "Headphone Jack",
-		.mask = SND_JACK_HEADPHONE,
-	},
-};
-
-static struct snd_soc_jack_gpio tegra_wm8903_hp_jack_gpio = {
-	.name = "headphone detect",
-	.report = SND_JACK_HEADPHONE,
-	.debounce_time = 150,
-	.invert = 1,
-};
-
-static struct snd_soc_jack tegra_wm8903_mic_jack;
-
-static struct snd_soc_jack_pin tegra_wm8903_mic_jack_pins[] = {
-	{
-		.pin = "Mic Jack",
-		.mask = SND_JACK_MICROPHONE,
-	},
-};
-
-static int tegra_wm8903_event_int_spk(struct snd_soc_dapm_widget *w,
-					struct snd_kcontrol *k, int event)
-{
-	struct snd_soc_dapm_context *dapm = w->dapm;
-	struct snd_soc_card *card = dapm->card;
-	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
-
-	if (!gpio_is_valid(machine->gpio_spkr_en))
-		return 0;
-
-	gpio_set_value_cansleep(machine->gpio_spkr_en,
-				SND_SOC_DAPM_EVENT_ON(event));
-
-	return 0;
-}
-
-static int tegra_wm8903_event_hp(struct snd_soc_dapm_widget *w,
-					struct snd_kcontrol *k, int event)
-{
-	struct snd_soc_dapm_context *dapm = w->dapm;
-	struct snd_soc_card *card = dapm->card;
-	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
-
-	if (!gpio_is_valid(machine->gpio_hp_mute))
-		return 0;
-
-	gpio_set_value_cansleep(machine->gpio_hp_mute,
-				!SND_SOC_DAPM_EVENT_ON(event));
-
-	return 0;
-}
-
-static int tegra_wm8903_event_int_mic(struct snd_soc_dapm_widget *w,
-				      struct snd_kcontrol *k, int event)
+static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd)
 {
-	struct snd_soc_dapm_context *dapm = w->dapm;
-	struct snd_soc_card *card = dapm->card;
-	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
-
-	if (!gpio_is_valid(machine->gpio_int_mic_en))
-		return 0;
+	struct tegra_machine *machine = snd_soc_card_get_drvdata(rtd->card);
+	struct snd_soc_card *card = rtd->card;
+	int err;
 
-	gpio_set_value_cansleep(machine->gpio_int_mic_en,
-				SND_SOC_DAPM_EVENT_ON(event));
+	/*
+	 * Older version of machine driver was ignoring GPIO polarity,
+	 * forcing it to active-low.  This means that all older device-trees
+	 * which set the polarity to active-high are wrong and we need to fix
+	 * them up.
+	 */
+	if (machine->asoc->hp_jack_gpio_active_low) {
+		bool active_low = gpiod_is_active_low(machine->gpiod_hp_det);
 
-	return 0;
-}
+		machine->hp_jack_gpio->invert = !active_low;
+	}
 
-static const struct snd_soc_dapm_widget tegra_wm8903_dapm_widgets[] = {
-	SND_SOC_DAPM_SPK("Int Spk", tegra_wm8903_event_int_spk),
-	SND_SOC_DAPM_HP("Headphone Jack", tegra_wm8903_event_hp),
-	SND_SOC_DAPM_MIC("Mic Jack", NULL),
-	SND_SOC_DAPM_MIC("Int Mic", tegra_wm8903_event_int_mic),
-};
+	err = tegra_asoc_machine_init(rtd);
+	if (err)
+		return err;
 
-static const struct snd_kcontrol_new tegra_wm8903_controls[] = {
-	SOC_DAPM_PIN_SWITCH("Int Spk"),
-	SOC_DAPM_PIN_SWITCH("Int Mic"),
-};
+	if (!machine->gpiod_mic_det && machine->asoc->add_mic_jack) {
+		struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+		struct snd_soc_component *component = codec_dai->component;
+		int shrt = 0;
+
+		err = snd_soc_card_jack_new(rtd->card, "Mic Jack",
+					    SND_JACK_MICROPHONE,
+					    machine->mic_jack,
+					    tegra_wm8903_mic_jack_pins,
+					    ARRAY_SIZE(tegra_wm8903_mic_jack_pins));
+		if (err) {
+			dev_err(rtd->dev, "Mic Jack creation failed: %d\n", err);
+			return err;
+		}
 
-static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd)
-{
-	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
-	struct snd_soc_component *component = codec_dai->component;
-	struct snd_soc_card *card = rtd->card;
-	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
-	int shrt = 0;
+		if (of_property_read_bool(card->dev->of_node, "nvidia,headset"))
+			shrt = SND_JACK_MICROPHONE;
 
-	if (gpio_is_valid(machine->gpio_hp_det)) {
-		tegra_wm8903_hp_jack_gpio.gpio = machine->gpio_hp_det;
-		snd_soc_card_jack_new(rtd->card, "Headphone Jack",
-				      SND_JACK_HEADPHONE, &tegra_wm8903_hp_jack,
-				      tegra_wm8903_hp_jack_pins,
-				      ARRAY_SIZE(tegra_wm8903_hp_jack_pins));
-		snd_soc_jack_add_gpios(&tegra_wm8903_hp_jack,
-					1,
-					&tegra_wm8903_hp_jack_gpio);
+		wm8903_mic_detect(component, machine->mic_jack,
+				  SND_JACK_MICROPHONE, shrt);
 	}
 
-	if (of_property_read_bool(card->dev->of_node, "nvidia,headset"))
-		shrt = SND_JACK_MICROPHONE;
-
-	snd_soc_card_jack_new(rtd->card, "Mic Jack", SND_JACK_MICROPHONE,
-			      &tegra_wm8903_mic_jack,
-			      tegra_wm8903_mic_jack_pins,
-			      ARRAY_SIZE(tegra_wm8903_mic_jack_pins));
-	wm8903_mic_detect(component, &tegra_wm8903_mic_jack, SND_JACK_MICROPHONE,
-				shrt);
-
 	snd_soc_dapm_force_enable_pin(&card->dapm, "MICBIAS");
 
 	return 0;
@@ -207,8 +103,8 @@ static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd)
 
 static int tegra_wm8903_remove(struct snd_soc_card *card)
 {
-	struct snd_soc_pcm_runtime *rtd =
-		snd_soc_get_pcm_runtime(card, &card->dai_link[0]);
+	struct snd_soc_dai_link *link = &card->dai_link[0];
+	struct snd_soc_pcm_runtime *rtd = snd_soc_get_pcm_runtime(card, link);
 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
 	struct snd_soc_component *component = codec_dai->component;
 
@@ -226,7 +122,6 @@ static struct snd_soc_dai_link tegra_wm8903_dai = {
 	.name = "WM8903",
 	.stream_name = "WM8903 PCM",
 	.init = tegra_wm8903_init,
-	.ops = &tegra_wm8903_ops,
 	.dai_fmt = SND_SOC_DAIFMT_I2S |
 		   SND_SOC_DAIFMT_NB_NF |
 		   SND_SOC_DAIFMT_CBS_CFS,
@@ -234,148 +129,60 @@ static struct snd_soc_dai_link tegra_wm8903_dai = {
 };
 
 static struct snd_soc_card snd_soc_tegra_wm8903 = {
-	.name = "tegra-wm8903",
+	.components = "codec:wm8903",
 	.owner = THIS_MODULE,
 	.dai_link = &tegra_wm8903_dai,
 	.num_links = 1,
 	.remove = tegra_wm8903_remove,
-	.controls = tegra_wm8903_controls,
-	.num_controls = ARRAY_SIZE(tegra_wm8903_controls),
-	.dapm_widgets = tegra_wm8903_dapm_widgets,
-	.num_dapm_widgets = ARRAY_SIZE(tegra_wm8903_dapm_widgets),
 	.fully_routed = true,
 };
 
-static int tegra_wm8903_driver_probe(struct platform_device *pdev)
-{
-	struct device_node *np = pdev->dev.of_node;
-	struct snd_soc_card *card = &snd_soc_tegra_wm8903;
-	struct tegra_wm8903 *machine;
-	int ret;
-
-	machine = devm_kzalloc(&pdev->dev, sizeof(struct tegra_wm8903),
-			       GFP_KERNEL);
-	if (!machine)
-		return -ENOMEM;
-
-	card->dev = &pdev->dev;
-	snd_soc_card_set_drvdata(card, machine);
-
-	machine->gpio_spkr_en = of_get_named_gpio(np, "nvidia,spkr-en-gpios",
-						  0);
-	if (machine->gpio_spkr_en == -EPROBE_DEFER)
-		return -EPROBE_DEFER;
-	if (gpio_is_valid(machine->gpio_spkr_en)) {
-		ret = devm_gpio_request_one(&pdev->dev, machine->gpio_spkr_en,
-					    GPIOF_OUT_INIT_LOW, "spkr_en");
-		if (ret) {
-			dev_err(card->dev, "cannot get spkr_en gpio\n");
-			return ret;
-		}
-	}
-
-	machine->gpio_hp_mute = of_get_named_gpio(np, "nvidia,hp-mute-gpios",
-						  0);
-	if (machine->gpio_hp_mute == -EPROBE_DEFER)
-		return -EPROBE_DEFER;
-	if (gpio_is_valid(machine->gpio_hp_mute)) {
-		ret = devm_gpio_request_one(&pdev->dev, machine->gpio_hp_mute,
-					    GPIOF_OUT_INIT_HIGH, "hp_mute");
-		if (ret) {
-			dev_err(card->dev, "cannot get hp_mute gpio\n");
-			return ret;
-		}
-	}
-
-	machine->gpio_hp_det = of_get_named_gpio(np, "nvidia,hp-det-gpios", 0);
-	if (machine->gpio_hp_det == -EPROBE_DEFER)
-		return -EPROBE_DEFER;
-
-	machine->gpio_int_mic_en = of_get_named_gpio(np,
-						"nvidia,int-mic-en-gpios", 0);
-	if (machine->gpio_int_mic_en == -EPROBE_DEFER)
-		return -EPROBE_DEFER;
-	if (gpio_is_valid(machine->gpio_int_mic_en)) {
-		/* Disable int mic; enable signal is active-high */
-		ret = devm_gpio_request_one(&pdev->dev,
-					    machine->gpio_int_mic_en,
-					    GPIOF_OUT_INIT_LOW, "int_mic_en");
-		if (ret) {
-			dev_err(card->dev, "cannot get int_mic_en gpio\n");
-			return ret;
-		}
-	}
-
-	machine->gpio_ext_mic_en = of_get_named_gpio(np,
-						"nvidia,ext-mic-en-gpios", 0);
-	if (machine->gpio_ext_mic_en == -EPROBE_DEFER)
-		return -EPROBE_DEFER;
-	if (gpio_is_valid(machine->gpio_ext_mic_en)) {
-		/* Enable ext mic; enable signal is active-low */
-		ret = devm_gpio_request_one(&pdev->dev,
-					    machine->gpio_ext_mic_en,
-					    GPIOF_OUT_INIT_LOW, "ext_mic_en");
-		if (ret) {
-			dev_err(card->dev, "cannot get ext_mic_en gpio\n");
-			return ret;
-		}
-	}
-
-	ret = snd_soc_of_parse_card_name(card, "nvidia,model");
-	if (ret)
-		return ret;
-
-	ret = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing");
-	if (ret)
-		return ret;
-
-	tegra_wm8903_dai.codecs->of_node = of_parse_phandle(np,
-						"nvidia,audio-codec", 0);
-	if (!tegra_wm8903_dai.codecs->of_node) {
-		dev_err(&pdev->dev,
-			"Property 'nvidia,audio-codec' missing or invalid\n");
-		return -EINVAL;
-	}
-
-	tegra_wm8903_dai.cpus->of_node = of_parse_phandle(np,
-			"nvidia,i2s-controller", 0);
-	if (!tegra_wm8903_dai.cpus->of_node) {
-		dev_err(&pdev->dev,
-			"Property 'nvidia,i2s-controller' missing or invalid\n");
-		return -EINVAL;
-	}
-
-	tegra_wm8903_dai.platforms->of_node = tegra_wm8903_dai.cpus->of_node;
-
-	ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev);
-	if (ret)
-		return ret;
-
-	ret = devm_snd_soc_register_card(&pdev->dev, card);
-	if (ret)
-		return dev_err_probe(&pdev->dev, ret,
-				     "snd_soc_register_card failed\n");
+/* older device-trees used wrong polarity for the headphones-detection GPIO */
+static const struct tegra_asoc_data tegra_wm8903_data_legacy = {
+	.mclk_rate = tegra_wm8903_mclk_rate,
+	.card = &snd_soc_tegra_wm8903,
+	.hp_jack_gpio_active_low = true,
+	.add_common_dapm_widgets = true,
+	.add_common_controls = true,
+	.add_common_snd_ops = true,
+	.add_mic_jack = true,
+	.add_hp_jack = true,
+};
 
-	return 0;
-}
+static const struct tegra_asoc_data tegra_wm8903_data = {
+	.mclk_rate = tegra_wm8903_mclk_rate,
+	.card = &snd_soc_tegra_wm8903,
+	.add_common_dapm_widgets = true,
+	.add_common_controls = true,
+	.add_common_snd_ops = true,
+	.add_mic_jack = true,
+	.add_hp_jack = true,
+};
 
 static const struct of_device_id tegra_wm8903_of_match[] = {
-	{ .compatible = "nvidia,tegra-audio-wm8903", },
+	{ .compatible = "ad,tegra-audio-plutux", .data = &tegra_wm8903_data_legacy },
+	{ .compatible = "ad,tegra-audio-wm8903-medcom-wide", .data = &tegra_wm8903_data_legacy },
+	{ .compatible = "ad,tegra-audio-wm8903-tec", .data = &tegra_wm8903_data_legacy },
+	{ .compatible = "nvidia,tegra-audio-wm8903-cardhu", .data = &tegra_wm8903_data_legacy },
+	{ .compatible = "nvidia,tegra-audio-wm8903-harmony", .data = &tegra_wm8903_data_legacy },
+	{ .compatible = "nvidia,tegra-audio-wm8903-picasso", .data = &tegra_wm8903_data_legacy },
+	{ .compatible = "nvidia,tegra-audio-wm8903-seaboard", .data = &tegra_wm8903_data_legacy },
+	{ .compatible = "nvidia,tegra-audio-wm8903-ventana", .data = &tegra_wm8903_data_legacy },
+	{ .compatible = "nvidia,tegra-audio-wm8903", .data = &tegra_wm8903_data },
 	{},
 };
+MODULE_DEVICE_TABLE(of, tegra_wm8903_of_match);
 
 static struct platform_driver tegra_wm8903_driver = {
 	.driver = {
-		.name = DRV_NAME,
-		.pm = &snd_soc_pm_ops,
+		.name = "tegra-wm8903",
 		.of_match_table = tegra_wm8903_of_match,
+		.pm = &snd_soc_pm_ops,
 	},
-	.probe = tegra_wm8903_driver_probe,
+	.probe = tegra_asoc_machine_probe,
 };
 module_platform_driver(tegra_wm8903_driver);
 
 MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>");
 MODULE_DESCRIPTION("Tegra+WM8903 machine ASoC driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:" DRV_NAME);
-MODULE_DEVICE_TABLE(of, tegra_wm8903_of_match);