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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c 
 kernel/sound/soc/samsung/rx1950_uda1380.c
....@@ -1,33 +1,24 @@
1
-/*
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- * rx1950.c  --  ALSA Soc Audio Layer
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- *
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- * Copyright (c) 2010 Vasily Khoruzhick <anarsoul@gmail.com>
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- *
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- * Based on smdk2440.c and magician.c
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- *
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- * Authors: Graeme Gregory graeme.gregory@wolfsonmicro.com
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- *          Philipp Zabel <philipp.zabel@gmail.com>
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- *          Denis Grigoriev <dgreenday@gmail.com>
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- *          Vasily Khoruzhick <anarsoul@gmail.com>
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- *
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- *  This program is free software; you can redistribute  it and/or modify it
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- *  under  the terms of  the GNU General  Public License as published by the
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- *  Free Software Foundation;  either version 2 of the  License, or (at your
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- *  option) any later version.
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- *
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- */
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+// SPDX-License-Identifier: GPL-2.0+
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+//
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+// rx1950.c - ALSA SoC Audio Layer
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+//
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+// Copyright (c) 2010 Vasily Khoruzhick <anarsoul@gmail.com>
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+//
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+// Based on smdk2440.c and magician.c
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+//
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+// Authors: Graeme Gregory graeme.gregory@wolfsonmicro.com
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+//          Philipp Zabel <philipp.zabel@gmail.com>
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+//          Denis Grigoriev <dgreenday@gmail.com>
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+//          Vasily Khoruzhick <anarsoul@gmail.com>
1913 
2014 #include <linux/types.h>
21
-#include <linux/gpio.h>
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+#include <linux/gpio/consumer.h>
2216 #include <linux/module.h>
2317 
2418 #include <sound/soc.h>
2519 #include <sound/jack.h>
2620 
27
-#include <mach/gpio-samsung.h>
2821 #include "regs-iis.h"
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-#include <asm/mach-types.h>
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-
3122 #include "s3c24xx-i2s.h"
3223 
3324 static int rx1950_uda1380_init(struct snd_soc_pcm_runtime *rtd);
....@@ -64,7 +55,6 @@
6455 
6556 static struct snd_soc_jack_gpio hp_jack_gpios[] = {
6657 	[0] = {
67
-		.gpio			= S3C2410_GPG(12),
6858 		.name			= "hp-gpio",
6959 		.report			= SND_JACK_HEADPHONE,
7060 		.invert			= 1,
....@@ -78,18 +68,21 @@
7868 };
7969 
8070 /* s3c24xx digital audio interface glue - connects codec <--> CPU */
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+SND_SOC_DAILINK_DEFS(uda1380,
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+	DAILINK_COMP_ARRAY(COMP_CPU("s3c24xx-iis")),
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+	DAILINK_COMP_ARRAY(COMP_CODEC("uda1380-codec.0-001a",
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+				      "uda1380-hifi")),
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+	DAILINK_COMP_ARRAY(COMP_PLATFORM("s3c24xx-iis")));
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+
8177 static struct snd_soc_dai_link rx1950_uda1380_dai[] = {
8278 	{
8379 		.name		= "uda1380",
8480 		.stream_name	= "UDA1380 Duplex",
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-		.cpu_dai_name	= "s3c24xx-iis",
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-		.codec_dai_name	= "uda1380-hifi",
8781 		.init		= rx1950_uda1380_init,
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-		.platform_name	= "s3c24xx-iis",
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-		.codec_name	= "uda1380-codec.0-001a",
9082 		.dai_fmt	= SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
9183 				  SND_SOC_DAIFMT_CBS_CFS,
9284 		.ops		= &rx1950_ops,
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+		SND_SOC_DAILINK_REG(uda1380),
9386 	},
9487 };
9588 
....@@ -126,8 +119,6 @@
126119 	.num_dapm_routes = ARRAY_SIZE(audio_map),
127120 };
128121 
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-static struct platform_device *s3c24xx_snd_device;
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-
131122 static int rx1950_startup(struct snd_pcm_substream *substream)
132123 {
133124 	struct snd_pcm_runtime *runtime = substream->runtime;
....@@ -137,13 +128,15 @@
137128 					&hw_rates);
138129 }
139130 
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+static struct gpio_desc *gpiod_speaker_power;
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+
140133 static int rx1950_spk_power(struct snd_soc_dapm_widget *w,
141134 				struct snd_kcontrol *kcontrol, int event)
142135 {
143136 	if (SND_SOC_DAPM_EVENT_ON(event))
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-		gpio_set_value(S3C2410_GPA(1), 1);
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+		gpiod_set_value(gpiod_speaker_power, 1);
145138 	else
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-		gpio_set_value(S3C2410_GPA(1), 0);
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+		gpiod_set_value(gpiod_speaker_power, 0);
147140 
148141 	return 0;
149142 }
....@@ -151,8 +144,8 @@
151144 static int rx1950_hw_params(struct snd_pcm_substream *substream,
152145 				struct snd_pcm_hw_params *params)
153146 {
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-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
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-	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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+	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
156149 	int div;
157150 	int ret;
158151 	unsigned int rate = params_rate(params);
....@@ -217,57 +210,35 @@
217210 	return 0;
218211 }
219212 
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-static int __init rx1950_init(void)
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+static int rx1950_probe(struct platform_device *pdev)
221214 {
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-	int ret;
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-
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-	if (!machine_is_rx1950())
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-		return -ENODEV;
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+	struct device *dev = &pdev->dev;
226216 
227217 	/* configure some gpios */
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-	ret = gpio_request(S3C2410_GPA(1), "speaker-power");
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-	if (ret)
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-		goto err_gpio;
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-
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-	ret = gpio_direction_output(S3C2410_GPA(1), 0);
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-	if (ret)
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-		goto err_gpio_conf;
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-
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-	s3c24xx_snd_device = platform_device_alloc("soc-audio", -1);
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-	if (!s3c24xx_snd_device) {
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-		ret = -ENOMEM;
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-		goto err_plat_alloc;
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+	gpiod_speaker_power = devm_gpiod_get(dev, "speaker-power", GPIOD_OUT_LOW);
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+	if (IS_ERR(gpiod_speaker_power)) {
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+		dev_err(dev, "cannot get gpio\n");
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+		return PTR_ERR(gpiod_speaker_power);
240222 	}
241223 
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-	platform_set_drvdata(s3c24xx_snd_device, &rx1950_asoc);
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-	ret = platform_device_add(s3c24xx_snd_device);
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+	hp_jack_gpios[0].gpiod_dev = dev;
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+	rx1950_asoc.dev = dev;
244226 
245
-	if (ret) {
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-		platform_device_put(s3c24xx_snd_device);
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-		goto err_plat_add;
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-	}
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-
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-	return 0;
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-
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-err_plat_add:
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-err_plat_alloc:
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-err_gpio_conf:
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-	gpio_free(S3C2410_GPA(1));
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-
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-err_gpio:
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-	return ret;
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+	return devm_snd_soc_register_card(dev, &rx1950_asoc);
259228 }
260229 
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-static void __exit rx1950_exit(void)
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-{
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-	platform_device_unregister(s3c24xx_snd_device);
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-	gpio_free(S3C2410_GPA(1));
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-}
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+static struct platform_driver rx1950_audio = {
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+	.driver = {
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+		.name = "rx1950-audio",
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+		.pm = &snd_soc_pm_ops,
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+	},
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+	.probe = rx1950_probe,
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+};
266237 
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-module_init(rx1950_init);
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-module_exit(rx1950_exit);
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+module_platform_driver(rx1950_audio);
269239 
270240 /* Module information */
271241 MODULE_AUTHOR("Vasily Khoruzhick");
272242 MODULE_DESCRIPTION("ALSA SoC RX1950");
273243 MODULE_LICENSE("GPL");
244
+MODULE_ALIAS("platform:rx1950-audio");