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2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 
 kernel/sound/soc/samsung/neo1973_wm8753.c
....@@ -1,38 +1,30 @@
1
-/*
2
- * neo1973_wm8753.c  --  SoC audio for Openmoko Neo1973 and Freerunner devices
3
- *
4
- * Copyright 2007 Openmoko Inc
5
- * Author: Graeme Gregory <graeme@openmoko.org>
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- * Copyright 2007 Wolfson Microelectronics PLC.
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- * Author: Graeme Gregory
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- *         graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
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- * Copyright 2009 Wolfson Microelectronics
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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
14
- *  option) any later version.
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- */
1
+// SPDX-License-Identifier: GPL-2.0+
2
+//
3
+// neo1973_wm8753.c - SoC audio for Openmoko Neo1973 and Freerunner devices
4
+//
5
+// Copyright 2007 Openmoko Inc
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+// Author: Graeme Gregory <graeme@openmoko.org>
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+// Copyright 2007 Wolfson Microelectronics PLC.
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+// Author: Graeme Gregory
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+//         graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
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+// Copyright 2009 Wolfson Microelectronics
1611 
1712 #include <linux/module.h>
1813 #include <linux/platform_device.h>
19
-#include <linux/gpio.h>
14
+#include <linux/gpio/consumer.h>
2015 
2116 #include <sound/soc.h>
2217 
23
-#include <mach/gpio-samsung.h>
24
-#include <asm/mach-types.h>
2518 #include "regs-iis.h"
26
-
2719 #include "../codecs/wm8753.h"
2820 #include "s3c24xx-i2s.h"
2921 
3022 static int neo1973_hifi_hw_params(struct snd_pcm_substream *substream,
3123 	struct snd_pcm_hw_params *params)
3224 {
33
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
34
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
35
-	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
25
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
26
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
27
+	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
3628 	unsigned int pll_out = 0, bclk = 0;
3729 	int ret = 0;
3830 	unsigned long iis_clkrate;
....@@ -104,8 +96,8 @@
10496 
10597 static int neo1973_hifi_hw_free(struct snd_pcm_substream *substream)
10698 {
107
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
108
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
99
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
100
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
109101 
110102 	/* disable the PLL */
111103 	return snd_soc_dai_set_pll(codec_dai, WM8753_PLL1, 0, 0, 0);
....@@ -122,8 +114,8 @@
122114 static int neo1973_voice_hw_params(struct snd_pcm_substream *substream,
123115 	struct snd_pcm_hw_params *params)
124116 {
125
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
126
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
117
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
118
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
127119 	unsigned int pcmdiv = 0;
128120 	int ret = 0;
129121 	unsigned long iis_clkrate;
....@@ -159,8 +151,8 @@
159151 
160152 static int neo1973_voice_hw_free(struct snd_pcm_substream *substream)
161153 {
162
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
163
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
154
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
155
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
164156 
165157 	/* disable the PLL */
166158 	return snd_soc_dai_set_pll(codec_dai, WM8753_PLL2, 0, 0, 0);
....@@ -171,6 +163,7 @@
171163 	.hw_free = neo1973_voice_hw_free,
172164 };
173165 
166
+static struct gpio_desc *gpiod_hp_in, *gpiod_amp_shut;
174167 static int gta02_speaker_enabled;
175168 
176169 static int lm4853_set_spk(struct snd_kcontrol *kcontrol,
....@@ -178,7 +171,7 @@
178171 {
179172 	gta02_speaker_enabled = ucontrol->value.integer.value[0];
180173 
181
-	gpio_set_value(S3C2410_GPJ(2), !gta02_speaker_enabled);
174
+	gpiod_set_value(gpiod_hp_in, !gta02_speaker_enabled);
182175 
183176 	return 0;
184177 }
....@@ -193,7 +186,7 @@
193186 static int lm4853_event(struct snd_soc_dapm_widget *w,
194187 			struct snd_kcontrol *k, int event)
195188 {
196
-	gpio_set_value(S3C2410_GPJ(1), SND_SOC_DAPM_EVENT_OFF(event));
189
+	gpiod_set_value(gpiod_amp_shut, SND_SOC_DAPM_EVENT_OFF(event));
197190 
198191 	return 0;
199192 }
....@@ -271,52 +264,50 @@
271264 	return 0;
272265 }
273266 
267
+SND_SOC_DAILINK_DEFS(wm8753,
268
+	DAILINK_COMP_ARRAY(COMP_CPU("s3c24xx-iis")),
269
+	DAILINK_COMP_ARRAY(COMP_CODEC("wm8753.0-001a", "wm8753-hifi")),
270
+	DAILINK_COMP_ARRAY(COMP_PLATFORM("s3c24xx-iis")));
271
+
272
+SND_SOC_DAILINK_DEFS(bluetooth,
273
+	DAILINK_COMP_ARRAY(COMP_CPU("bt-sco-pcm")),
274
+	DAILINK_COMP_ARRAY(COMP_CODEC("wm8753.0-001a", "wm8753-voice")));
275
+
274276 static struct snd_soc_dai_link neo1973_dai[] = {
275277 { /* Hifi Playback - for similatious use with voice below */
276278 	.name = "WM8753",
277279 	.stream_name = "WM8753 HiFi",
278
-	.platform_name = "s3c24xx-iis",
279
-	.cpu_dai_name = "s3c24xx-iis",
280
-	.codec_dai_name = "wm8753-hifi",
281
-	.codec_name = "wm8753.0-001a",
282280 	.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
283281 		   SND_SOC_DAIFMT_CBM_CFM,
284282 	.init = neo1973_wm8753_init,
285283 	.ops = &neo1973_hifi_ops,
284
+	SND_SOC_DAILINK_REG(wm8753),
286285 },
287286 { /* Voice via BT */
288287 	.name = "Bluetooth",
289288 	.stream_name = "Voice",
290
-	.cpu_dai_name = "bt-sco-pcm",
291
-	.codec_dai_name = "wm8753-voice",
292
-	.codec_name = "wm8753.0-001a",
293289 	.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF |
294290 		   SND_SOC_DAIFMT_CBS_CFS,
295291 	.ops = &neo1973_voice_ops,
292
+	SND_SOC_DAILINK_REG(bluetooth),
296293 },
297294 };
298295 
299296 static struct snd_soc_aux_dev neo1973_aux_devs[] = {
300297 	{
301
-		.name = "dfbmcs320",
302
-		.codec_name = "dfbmcs320.0",
298
+		.dlc = COMP_AUX("dfbmcs320.0"),
303299 	},
304300 };
305301 
306302 static struct snd_soc_codec_conf neo1973_codec_conf[] = {
307303 	{
308
-		.dev_name = "lm4857.0-007c",
304
+		.dlc = COMP_CODEC_CONF("lm4857.0-007c"),
309305 		.name_prefix = "Amp",
310306 	},
311307 };
312308 
313
-static const struct gpio neo1973_gta02_gpios[] = {
314
-	{ S3C2410_GPJ(2), GPIOF_OUT_INIT_HIGH, "GTA02_HP_IN" },
315
-	{ S3C2410_GPJ(1), GPIOF_OUT_INIT_HIGH, "GTA02_AMP_SHUT" },
316
-};
317
-
318309 static struct snd_soc_card neo1973 = {
319
-	.name = "neo1973",
310
+	.name = "neo1973gta02",
320311 	.owner = THIS_MODULE,
321312 	.dai_link = neo1973_dai,
322313 	.num_links = ARRAY_SIZE(neo1973_dai),
....@@ -334,62 +325,36 @@
334325 	.fully_routed = true,
335326 };
336327 
337
-static struct platform_device *neo1973_snd_device;
338
-
339
-static int __init neo1973_init(void)
328
+static int neo1973_probe(struct platform_device *pdev)
340329 {
341
-	int ret;
330
+	struct device *dev = &pdev->dev;
342331 
343
-	if (!machine_is_neo1973_gta02())
344
-		return -ENODEV;
345
-
346
-	if (machine_is_neo1973_gta02()) {
347
-		neo1973.name = "neo1973gta02";
348
-		neo1973.num_aux_devs = 1;
349
-
350
-		ret = gpio_request_array(neo1973_gta02_gpios,
351
-				ARRAY_SIZE(neo1973_gta02_gpios));
352
-		if (ret)
353
-			return ret;
332
+	gpiod_hp_in = devm_gpiod_get(dev, "hp", GPIOD_OUT_HIGH);
333
+	if (IS_ERR(gpiod_hp_in)) {
334
+		dev_err(dev, "missing gpio %s\n", "hp");
335
+		return PTR_ERR(gpiod_hp_in);
336
+	}
337
+	gpiod_amp_shut = devm_gpiod_get(dev, "amp-shut", GPIOD_OUT_HIGH);
338
+	if (IS_ERR(gpiod_amp_shut)) {
339
+		dev_err(dev, "missing gpio %s\n", "amp-shut");
340
+		return PTR_ERR(gpiod_amp_shut);
354341 	}
355342 
356
-	neo1973_snd_device = platform_device_alloc("soc-audio", -1);
357
-	if (!neo1973_snd_device) {
358
-		ret = -ENOMEM;
359
-		goto err_gpio_free;
360
-	}
361
-
362
-	platform_set_drvdata(neo1973_snd_device, &neo1973);
363
-	ret = platform_device_add(neo1973_snd_device);
364
-
365
-	if (ret)
366
-		goto err_put_device;
367
-
368
-	return 0;
369
-
370
-err_put_device:
371
-	platform_device_put(neo1973_snd_device);
372
-err_gpio_free:
373
-	if (machine_is_neo1973_gta02()) {
374
-		gpio_free_array(neo1973_gta02_gpios,
375
-				ARRAY_SIZE(neo1973_gta02_gpios));
376
-	}
377
-	return ret;
343
+	neo1973.dev = dev;
344
+	return devm_snd_soc_register_card(dev, &neo1973);
378345 }
379
-module_init(neo1973_init);
380346 
381
-static void __exit neo1973_exit(void)
382
-{
383
-	platform_device_unregister(neo1973_snd_device);
384
-
385
-	if (machine_is_neo1973_gta02()) {
386
-		gpio_free_array(neo1973_gta02_gpios,
387
-				ARRAY_SIZE(neo1973_gta02_gpios));
388
-	}
389
-}
390
-module_exit(neo1973_exit);
347
+struct platform_driver neo1973_audio = {
348
+	.driver = {
349
+		.name = "neo1973-audio",
350
+		.pm = &snd_soc_pm_ops,
351
+	},
352
+	.probe = neo1973_probe,
353
+};
354
+module_platform_driver(neo1973_audio);
391355 
392356 /* Module information */
393357 MODULE_AUTHOR("Graeme Gregory, graeme@openmoko.org, www.openmoko.org");
394358 MODULE_DESCRIPTION("ALSA SoC WM8753 Neo1973 and Frerunner");
395359 MODULE_LICENSE("GPL");
360
+MODULE_ALIAS("platform:neo1973-audio");