1 files changed, 96 insertions, 134 deletions

diff --git a/sound/soc/pxa/spitz.c b/sound/soc/pxa/spitz.c
index fc052d8247ff..2ea21a2091ee 100644
--- a/sound/soc/pxa/spitz.c
+++ b/sound/soc/pxa/spitz.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * spitz.c  --  SoC audio for Sharp SL-Cxx00 models Spitz, Borzoi and Akita
  *
@@ -6,12 +7,6 @@
  *
  * Authors: Liam Girdwood <lrg@slimlogic.co.uk>
  *          Richard Purdie <richard@openedhand.com>
- *
- *  This program is free software; you can redistribute  it and/or modify it
- *  under  the terms of  the GNU General  Public License as published by the
- *  Free Software Foundation;  either version 2 of the  License, or (at your
- *  option) any later version.
- *
  */
 
 #include <linux/module.h>
@@ -19,13 +14,12 @@
 #include <linux/timer.h>
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/soc.h>
 
 #include <asm/mach-types.h>
-#include <mach/spitz.h>
 #include "../codecs/wm8750.h"
 #include "pxa2xx-i2s.h"
 
@@ -42,78 +36,79 @@
 
 static int spitz_jack_func;
 static int spitz_spk_func;
-static int spitz_mic_gpio;
+static struct gpio_desc *gpiod_mic, *gpiod_mute_l, *gpiod_mute_r;
 
 static void spitz_ext_control(struct snd_soc_dapm_context *dapm)
 {
+	snd_soc_dapm_mutex_lock(dapm);
+
 	if (spitz_spk_func == SPITZ_SPK_ON)
-		snd_soc_dapm_enable_pin(dapm, "Ext Spk");
+		snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk");
 	else
-		snd_soc_dapm_disable_pin(dapm, "Ext Spk");
+		snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk");
 
 	/* set up jack connection */
 	switch (spitz_jack_func) {
 	case SPITZ_HP:
 		/* enable and unmute hp jack, disable mic bias */
-		snd_soc_dapm_disable_pin(dapm, "Headset Jack");
-		snd_soc_dapm_disable_pin(dapm, "Mic Jack");
-		snd_soc_dapm_disable_pin(dapm, "Line Jack");
-		snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
-		gpio_set_value(SPITZ_GPIO_MUTE_L, 1);
-		gpio_set_value(SPITZ_GPIO_MUTE_R, 1);
+		snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
+		snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");
+		snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
+		snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
+		gpiod_set_value(gpiod_mute_l, 1);
+		gpiod_set_value(gpiod_mute_r, 1);
 		break;
 	case SPITZ_MIC:
 		/* enable mic jack and bias, mute hp */
-		snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
-		snd_soc_dapm_disable_pin(dapm, "Headset Jack");
-		snd_soc_dapm_disable_pin(dapm, "Line Jack");
-		snd_soc_dapm_enable_pin(dapm, "Mic Jack");
-		gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
-		gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
+		snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
+		snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
+		snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
+		snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack");
+		gpiod_set_value(gpiod_mute_l, 0);
+		gpiod_set_value(gpiod_mute_r, 0);
 		break;
 	case SPITZ_LINE:
 		/* enable line jack, disable mic bias and mute hp */
-		snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
-		snd_soc_dapm_disable_pin(dapm, "Headset Jack");
-		snd_soc_dapm_disable_pin(dapm, "Mic Jack");
-		snd_soc_dapm_enable_pin(dapm, "Line Jack");
-		gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
-		gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
+		snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
+		snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
+		snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");
+		snd_soc_dapm_enable_pin_unlocked(dapm, "Line Jack");
+		gpiod_set_value(gpiod_mute_l, 0);
+		gpiod_set_value(gpiod_mute_r, 0);
 		break;
 	case SPITZ_HEADSET:
 		/* enable and unmute headset jack enable mic bias, mute L hp */
-		snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
-		snd_soc_dapm_enable_pin(dapm, "Mic Jack");
-		snd_soc_dapm_disable_pin(dapm, "Line Jack");
-		snd_soc_dapm_enable_pin(dapm, "Headset Jack");
-		gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
-		gpio_set_value(SPITZ_GPIO_MUTE_R, 1);
+		snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
+		snd_soc_dapm_enable_pin_unlocked(dapm, "Mic Jack");
+		snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
+		snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Jack");
+		gpiod_set_value(gpiod_mute_l, 0);
+		gpiod_set_value(gpiod_mute_r, 1);
 		break;
 	case SPITZ_HP_OFF:
 
 		/* jack removed, everything off */
-		snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
-		snd_soc_dapm_disable_pin(dapm, "Headset Jack");
-		snd_soc_dapm_disable_pin(dapm, "Mic Jack");
-		snd_soc_dapm_disable_pin(dapm, "Line Jack");
-		gpio_set_value(SPITZ_GPIO_MUTE_L, 0);
-		gpio_set_value(SPITZ_GPIO_MUTE_R, 0);
+		snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
+		snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Jack");
+		snd_soc_dapm_disable_pin_unlocked(dapm, "Mic Jack");
+		snd_soc_dapm_disable_pin_unlocked(dapm, "Line Jack");
+		gpiod_set_value(gpiod_mute_l, 0);
+		gpiod_set_value(gpiod_mute_r, 0);
 		break;
 	}
-	snd_soc_dapm_sync(dapm);
+
+	snd_soc_dapm_sync_unlocked(dapm);
+
+	snd_soc_dapm_mutex_unlock(dapm);
 }
 
 static int spitz_startup(struct snd_pcm_substream *substream)
 {
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_codec *codec = rtd->codec;
-
-	mutex_lock(&codec->mutex);
+	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+	struct snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(rtd->card);
 
 	/* check the jack status at stream startup */
-	spitz_ext_control(&codec->dapm);
-
-	mutex_unlock(&codec->mutex);
+	spitz_ext_control(dapm);
 
 	return 0;
 }
@@ -121,9 +116,9 @@ static int spitz_startup(struct snd_pcm_substream *substream)
 static int spitz_hw_params(struct snd_pcm_substream *substream,
 	struct snd_pcm_hw_params *params)
 {
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
+	struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
 	unsigned int clk = 0;
 	int ret = 0;
 
@@ -156,7 +151,7 @@ static int spitz_hw_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static struct snd_soc_ops spitz_ops = {
+static const struct snd_soc_ops spitz_ops = {
 	.startup = spitz_startup,
 	.hw_params = spitz_hw_params,
 };
@@ -164,7 +159,7 @@ static struct snd_soc_ops spitz_ops = {
 static int spitz_get_jack(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
-	ucontrol->value.integer.value[0] = spitz_jack_func;
+	ucontrol->value.enumerated.item[0] = spitz_jack_func;
 	return 0;
 }
 
@@ -172,19 +167,20 @@ static int spitz_set_jack(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
+	struct snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(card);
 
-	if (spitz_jack_func == ucontrol->value.integer.value[0])
+	if (spitz_jack_func == ucontrol->value.enumerated.item[0])
 		return 0;
 
-	spitz_jack_func = ucontrol->value.integer.value[0];
-	spitz_ext_control(&card->dapm);
+	spitz_jack_func = ucontrol->value.enumerated.item[0];
+	spitz_ext_control(dapm);
 	return 1;
 }
 
 static int spitz_get_spk(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
-	ucontrol->value.integer.value[0] = spitz_spk_func;
+	ucontrol->value.enumerated.item[0] = spitz_spk_func;
 	return 0;
 }
 
@@ -192,19 +188,20 @@ static int spitz_set_spk(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
+	struct snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(card);
 
-	if (spitz_spk_func == ucontrol->value.integer.value[0])
+	if (spitz_spk_func == ucontrol->value.enumerated.item[0])
 		return 0;
 
-	spitz_spk_func = ucontrol->value.integer.value[0];
-	spitz_ext_control(&card->dapm);
+	spitz_spk_func = ucontrol->value.enumerated.item[0];
+	spitz_ext_control(dapm);
 	return 1;
 }
 
 static int spitz_mic_bias(struct snd_soc_dapm_widget *w,
 	struct snd_kcontrol *k, int event)
 {
-	gpio_set_value_cansleep(spitz_mic_gpio, SND_SOC_DAPM_EVENT_ON(event));
+	gpiod_set_value_cansleep(gpiod_mic, SND_SOC_DAPM_EVENT_ON(event));
 	return 0;
 }
 
@@ -230,8 +227,8 @@ static const struct snd_soc_dapm_route spitz_audio_map[] = {
 	{"Headset Jack", NULL, "ROUT1"},
 
 	/* ext speaker connected to LOUT2, ROUT2  */
-	{"Ext Spk", NULL , "ROUT2"},
-	{"Ext Spk", NULL , "LOUT2"},
+	{"Ext Spk", NULL, "ROUT2"},
+	{"Ext Spk", NULL, "LOUT2"},
 
 	/* mic is connected to input 1 - with bias */
 	{"LINPUT1", NULL, "Mic Bias"},
@@ -241,9 +238,9 @@ static const struct snd_soc_dapm_route spitz_audio_map[] = {
 	{"LINPUT1", NULL, "Line Jack"},
 };
 
-static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
-	"Off"};
-static const char *spk_function[] = {"On", "Off"};
+static const char * const jack_function[] = {"Headphone", "Mic", "Line",
+	"Headset", "Off"};
+static const char * const spk_function[] = {"On", "Off"};
 static const struct soc_enum spitz_enum[] = {
 	SOC_ENUM_SINGLE_EXT(5, jack_function),
 	SOC_ENUM_SINGLE_EXT(2, spk_function),
@@ -256,38 +253,19 @@ static const struct snd_kcontrol_new wm8750_spitz_controls[] = {
 		spitz_set_spk),
 };
 
-/*
- * Logic for a wm8750 as connected on a Sharp SL-Cxx00 Device
- */
-static int spitz_wm8750_init(struct snd_soc_pcm_runtime *rtd)
-{
-	struct snd_soc_codec *codec = rtd->codec;
-	struct snd_soc_dapm_context *dapm = &codec->dapm;
-
-	/* NC codec pins */
-	snd_soc_dapm_nc_pin(dapm, "RINPUT1");
-	snd_soc_dapm_nc_pin(dapm, "LINPUT2");
-	snd_soc_dapm_nc_pin(dapm, "RINPUT2");
-	snd_soc_dapm_nc_pin(dapm, "LINPUT3");
-	snd_soc_dapm_nc_pin(dapm, "RINPUT3");
-	snd_soc_dapm_nc_pin(dapm, "OUT3");
-	snd_soc_dapm_nc_pin(dapm, "MONO1");
-
-	return 0;
-}
-
 /* spitz digital audio interface glue - connects codec <--> CPU */
+SND_SOC_DAILINK_DEFS(wm8750,
+	DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-i2s")),
+	DAILINK_COMP_ARRAY(COMP_CODEC("wm8750.0-001b", "wm8750-hifi")),
+	DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio")));
+
 static struct snd_soc_dai_link spitz_dai = {
 	.name = "wm8750",
 	.stream_name = "WM8750",
-	.cpu_dai_name = "pxa2xx-i2s",
-	.codec_dai_name = "wm8750-hifi",
-	.platform_name = "pxa-pcm-audio",
-	.codec_name = "wm8750.0-001b",
-	.init = spitz_wm8750_init,
 	.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
-		   SND_SOC_DAIFMT_CBS_CFS,
+		   SND_SOC_DAIFMT_CBC_CFC,
 	.ops = &spitz_ops,
+	SND_SOC_DAILINK_REG(wm8750),
 };
 
 /* spitz audio machine driver */
@@ -303,61 +281,45 @@ static struct snd_soc_card snd_soc_spitz = {
 	.num_dapm_widgets = ARRAY_SIZE(wm8750_dapm_widgets),
 	.dapm_routes = spitz_audio_map,
 	.num_dapm_routes = ARRAY_SIZE(spitz_audio_map),
+	.fully_routed = true,
 };
 
-static struct platform_device *spitz_snd_device;
-
-static int __init spitz_init(void)
+static int spitz_probe(struct platform_device *pdev)
 {
+	struct snd_soc_card *card = &snd_soc_spitz;
 	int ret;
 
-	if (!(machine_is_spitz() || machine_is_borzoi() || machine_is_akita()))
-		return -ENODEV;
-
-	if (machine_is_borzoi() || machine_is_spitz())
-		spitz_mic_gpio = SPITZ_GPIO_MIC_BIAS;
-	else
-		spitz_mic_gpio = AKITA_GPIO_MIC_BIAS;
-
-	ret = gpio_request(spitz_mic_gpio, "MIC GPIO");
-	if (ret)
-		goto err1;
-
-	ret = gpio_direction_output(spitz_mic_gpio, 0);
-	if (ret)
-		goto err2;
-
-	spitz_snd_device = platform_device_alloc("soc-audio", -1);
-	if (!spitz_snd_device) {
-		ret = -ENOMEM;
-		goto err2;
-	}
+	gpiod_mic = devm_gpiod_get(&pdev->dev, "mic", GPIOD_OUT_LOW);
+	if (IS_ERR(gpiod_mic))
+		return PTR_ERR(gpiod_mic);
+	gpiod_mute_l = devm_gpiod_get(&pdev->dev, "mute-l", GPIOD_OUT_LOW);
+	if (IS_ERR(gpiod_mute_l))
+		return PTR_ERR(gpiod_mute_l);
+	gpiod_mute_r = devm_gpiod_get(&pdev->dev, "mute-r", GPIOD_OUT_LOW);
+	if (IS_ERR(gpiod_mute_r))
+		return PTR_ERR(gpiod_mute_r);
 
-	platform_set_drvdata(spitz_snd_device, &snd_soc_spitz);
+	card->dev = &pdev->dev;
 
-	ret = platform_device_add(spitz_snd_device);
+	ret = devm_snd_soc_register_card(&pdev->dev, card);
 	if (ret)
-		goto err3;
-
-	return 0;
+		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
+			ret);
 
-err3:
-	platform_device_put(spitz_snd_device);
-err2:
-	gpio_free(spitz_mic_gpio);
-err1:
 	return ret;
 }
 
-static void __exit spitz_exit(void)
-{
-	platform_device_unregister(spitz_snd_device);
-	gpio_free(spitz_mic_gpio);
-}
+static struct platform_driver spitz_driver = {
+	.driver		= {
+		.name	= "spitz-audio",
+		.pm     = &snd_soc_pm_ops,
+	},
+	.probe		= spitz_probe,
+};
 
-module_init(spitz_init);
-module_exit(spitz_exit);
+module_platform_driver(spitz_driver);
 
 MODULE_AUTHOR("Richard Purdie");
 MODULE_DESCRIPTION("ALSA SoC Spitz");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:spitz-audio");