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2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f 
 kernel/sound/soc/tegra/tegra_wm8903.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
23  * tegra_wm8903.c - Tegra machine ASoC driver for boards using WM8903 codec.
34  *
....@@ -11,21 +12,6 @@
1112  * Copyright 2007 Wolfson Microelectronics PLC.
1213  * Author: Graeme Gregory
1314  *         graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
14
- *
15
- * This program is free software; you can redistribute it and/or
16
- * modify it under the terms of the GNU General Public License
17
- * version 2 as published by the Free Software Foundation.
18
- *
19
- * This program is distributed in the hope that it will be useful, but
20
- * WITHOUT ANY WARRANTY; without even the implied warranty of
21
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
22
- * General Public License for more details.
23
- *
24
- * You should have received a copy of the GNU General Public License
25
- * along with this program; if not, write to the Free Software
26
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
27
- * 02110-1301 USA
28
- *
2915  */
3016 
3117 #include <linux/module.h>
....@@ -58,8 +44,8 @@
5844 static int tegra_wm8903_hw_params(struct snd_pcm_substream *substream,
5945 					struct snd_pcm_hw_params *params)
6046 {
61
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
62
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
47
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
48
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
6349 	struct snd_soc_card *card = rtd->card;
6450 	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
6551 	int srate, mclk;
....@@ -157,19 +143,37 @@
157143 	return 0;
158144 }
159145 
146
+static int tegra_wm8903_event_int_mic(struct snd_soc_dapm_widget *w,
147
+				      struct snd_kcontrol *k, int event)
148
+{
149
+	struct snd_soc_dapm_context *dapm = w->dapm;
150
+	struct snd_soc_card *card = dapm->card;
151
+	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
152
+
153
+	if (!gpio_is_valid(machine->gpio_int_mic_en))
154
+		return 0;
155
+
156
+	gpio_set_value_cansleep(machine->gpio_int_mic_en,
157
+				SND_SOC_DAPM_EVENT_ON(event));
158
+
159
+	return 0;
160
+}
161
+
160162 static const struct snd_soc_dapm_widget tegra_wm8903_dapm_widgets[] = {
161163 	SND_SOC_DAPM_SPK("Int Spk", tegra_wm8903_event_int_spk),
162164 	SND_SOC_DAPM_HP("Headphone Jack", tegra_wm8903_event_hp),
163165 	SND_SOC_DAPM_MIC("Mic Jack", NULL),
166
+	SND_SOC_DAPM_MIC("Int Mic", tegra_wm8903_event_int_mic),
164167 };
165168 
166169 static const struct snd_kcontrol_new tegra_wm8903_controls[] = {
167170 	SOC_DAPM_PIN_SWITCH("Int Spk"),
171
+	SOC_DAPM_PIN_SWITCH("Int Mic"),
168172 };
169173 
170174 static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd)
171175 {
172
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
176
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
173177 	struct snd_soc_component *component = codec_dai->component;
174178 	struct snd_soc_card *card = rtd->card;
175179 	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
....@@ -204,8 +208,8 @@
204208 static int tegra_wm8903_remove(struct snd_soc_card *card)
205209 {
206210 	struct snd_soc_pcm_runtime *rtd =
207
-		snd_soc_get_pcm_runtime(card, card->dai_link[0].name);
208
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
211
+		snd_soc_get_pcm_runtime(card, &card->dai_link[0]);
212
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
209213 	struct snd_soc_component *component = codec_dai->component;
210214 
211215 	wm8903_mic_detect(component, NULL, 0, 0);
....@@ -213,15 +217,20 @@
213217 	return 0;
214218 }
215219 
220
+SND_SOC_DAILINK_DEFS(hifi,
221
+	DAILINK_COMP_ARRAY(COMP_EMPTY()),
222
+	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8903-hifi")),
223
+	DAILINK_COMP_ARRAY(COMP_EMPTY()));
224
+
216225 static struct snd_soc_dai_link tegra_wm8903_dai = {
217226 	.name = "WM8903",
218227 	.stream_name = "WM8903 PCM",
219
-	.codec_dai_name = "wm8903-hifi",
220228 	.init = tegra_wm8903_init,
221229 	.ops = &tegra_wm8903_ops,
222230 	.dai_fmt = SND_SOC_DAIFMT_I2S |
223231 		   SND_SOC_DAIFMT_NB_NF |
224232 		   SND_SOC_DAIFMT_CBS_CFS,
233
+	SND_SOC_DAILINK_REG(hifi),
225234 };
226235 
227236 static struct snd_soc_card snd_soc_tegra_wm8903 = {
....@@ -315,59 +324,40 @@
315324 
316325 	ret = snd_soc_of_parse_card_name(card, "nvidia,model");
317326 	if (ret)
318
-		goto err;
327
+		return ret;
319328 
320329 	ret = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing");
321330 	if (ret)
322
-		goto err;
331
+		return ret;
323332 
324
-	tegra_wm8903_dai.codec_of_node = of_parse_phandle(np,
333
+	tegra_wm8903_dai.codecs->of_node = of_parse_phandle(np,
325334 						"nvidia,audio-codec", 0);
326
-	if (!tegra_wm8903_dai.codec_of_node) {
335
+	if (!tegra_wm8903_dai.codecs->of_node) {
327336 		dev_err(&pdev->dev,
328337 			"Property 'nvidia,audio-codec' missing or invalid\n");
329
-		ret = -EINVAL;
330
-		goto err;
338
+		return -EINVAL;
331339 	}
332340 
333
-	tegra_wm8903_dai.cpu_of_node = of_parse_phandle(np,
341
+	tegra_wm8903_dai.cpus->of_node = of_parse_phandle(np,
334342 			"nvidia,i2s-controller", 0);
335
-	if (!tegra_wm8903_dai.cpu_of_node) {
343
+	if (!tegra_wm8903_dai.cpus->of_node) {
336344 		dev_err(&pdev->dev,
337345 			"Property 'nvidia,i2s-controller' missing or invalid\n");
338
-		ret = -EINVAL;
339
-		goto err;
346
+		return -EINVAL;
340347 	}
341348 
342
-	tegra_wm8903_dai.platform_of_node = tegra_wm8903_dai.cpu_of_node;
349
+	tegra_wm8903_dai.platforms->of_node = tegra_wm8903_dai.cpus->of_node;
343350 
344351 	ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev);
345352 	if (ret)
346
-		goto err;
353
+		return ret;
347354 
348
-	ret = snd_soc_register_card(card);
355
+	ret = devm_snd_soc_register_card(&pdev->dev, card);
349356 	if (ret) {
350
-		dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
357
+		dev_err(&pdev->dev, "devm_snd_soc_register_card failed (%d)\n",
351358 			ret);
352
-		goto err_fini_utils;
359
+		return ret;
353360 	}
354
-
355
-	return 0;
356
-
357
-err_fini_utils:
358
-	tegra_asoc_utils_fini(&machine->util_data);
359
-err:
360
-	return ret;
361
-}
362
-
363
-static int tegra_wm8903_driver_remove(struct platform_device *pdev)
364
-{
365
-	struct snd_soc_card *card = platform_get_drvdata(pdev);
366
-	struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
367
-
368
-	snd_soc_unregister_card(card);
369
-
370
-	tegra_asoc_utils_fini(&machine->util_data);
371361 
372362 	return 0;
373363 }
....@@ -384,7 +374,6 @@
384374 		.of_match_table = tegra_wm8903_of_match,
385375 	},
386376 	.probe = tegra_wm8903_driver_probe,
387
-	.remove = tegra_wm8903_driver_remove,
388377 };
389378 module_platform_driver(tegra_wm8903_driver);
390379