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2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 
 kernel/sound/soc/jz4740/jz4740-i2s.c
....@@ -1,15 +1,6 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  *  Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
3
- *
4
- *  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
6
- *  Free Software Foundation;  either version 2 of the License, or (at your
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- *  option) any later version.
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- *
9
- *  You should have received a copy of the GNU General Public License along
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- *  with this program; if not, write to the Free Software Foundation, Inc.,
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- *  675 Mass Ave, Cambridge, MA 02139, USA.
12
- *
134  */
145 
156 #include <linux/init.h>
....@@ -58,12 +49,8 @@
5849 
5950 #define JZ_AIC_CONF_FIFO_RX_THRESHOLD_OFFSET 12
6051 #define JZ_AIC_CONF_FIFO_TX_THRESHOLD_OFFSET 8
61
-#define JZ4780_AIC_CONF_FIFO_RX_THRESHOLD_OFFSET 24
62
-#define JZ4780_AIC_CONF_FIFO_TX_THRESHOLD_OFFSET 16
63
-#define JZ4780_AIC_CONF_FIFO_RX_THRESHOLD_MASK \
64
-			(0xf << JZ4780_AIC_CONF_FIFO_RX_THRESHOLD_OFFSET)
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-#define JZ4780_AIC_CONF_FIFO_TX_THRESHOLD_MASK \
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-			(0x1f <<  JZ4780_AIC_CONF_FIFO_TX_THRESHOLD_OFFSET)
52
+#define JZ4760_AIC_CONF_FIFO_RX_THRESHOLD_OFFSET 24
53
+#define JZ4760_AIC_CONF_FIFO_TX_THRESHOLD_OFFSET 16
6754 
6855 #define JZ_AIC_CTRL_OUTPUT_SAMPLE_SIZE_MASK (0x7 << 19)
6956 #define JZ_AIC_CTRL_INPUT_SAMPLE_SIZE_MASK (0x7 << 16)
....@@ -99,7 +86,14 @@
9986 
10087 enum jz47xx_i2s_version {
10188 	JZ_I2S_JZ4740,
89
+	JZ_I2S_JZ4760,
90
+	JZ_I2S_JZ4770,
10291 	JZ_I2S_JZ4780,
92
+};
93
+
94
+struct i2s_soc_info {
95
+	enum jz47xx_i2s_version version;
96
+	struct snd_soc_dai_driver *dai;
10397 };
10498 
10599 struct jz4740_i2s {
....@@ -113,7 +107,7 @@
113107 	struct snd_dmaengine_dai_dma_data playback_dma_data;
114108 	struct snd_dmaengine_dai_dma_data capture_dma_data;
115109 
116
-	enum jz47xx_i2s_version version;
110
+	const struct i2s_soc_info *soc_info;
117111 };
118112 
119113 static inline uint32_t jz4740_i2s_read(const struct jz4740_i2s *i2s,
....@@ -135,7 +129,7 @@
135129 	uint32_t conf, ctrl;
136130 	int ret;
137131 
138
-	if (dai->active)
132
+	if (snd_soc_dai_active(dai))
139133 		return 0;
140134 
141135 	ctrl = jz4740_i2s_read(i2s, JZ_REG_AIC_CTRL);
....@@ -159,7 +153,7 @@
159153 	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
160154 	uint32_t conf;
161155 
162
-	if (dai->active)
156
+	if (snd_soc_dai_active(dai))
163157 		return;
164158 
165159 	conf = jz4740_i2s_read(i2s, JZ_REG_AIC_CONF);
....@@ -293,7 +287,7 @@
293287 		ctrl &= ~JZ_AIC_CTRL_INPUT_SAMPLE_SIZE_MASK;
294288 		ctrl |= sample_size << JZ_AIC_CTRL_INPUT_SAMPLE_SIZE_OFFSET;
295289 
296
-		if (i2s->version >= JZ_I2S_JZ4780) {
290
+		if (i2s->soc_info->version >= JZ_I2S_JZ4770) {
297291 			div_reg &= ~I2SDIV_IDV_MASK;
298292 			div_reg |= (div - 1) << I2SDIV_IDV_SHIFT;
299293 		} else {
....@@ -337,12 +331,12 @@
337331 	return ret;
338332 }
339333 
340
-static int jz4740_i2s_suspend(struct snd_soc_dai *dai)
334
+static int jz4740_i2s_suspend(struct snd_soc_component *component)
341335 {
342
-	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
336
+	struct jz4740_i2s *i2s = snd_soc_component_get_drvdata(component);
343337 	uint32_t conf;
344338 
345
-	if (dai->active) {
339
+	if (snd_soc_component_active(component)) {
346340 		conf = jz4740_i2s_read(i2s, JZ_REG_AIC_CONF);
347341 		conf &= ~JZ_AIC_CONF_ENABLE;
348342 		jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, conf);
....@@ -355,9 +349,9 @@
355349 	return 0;
356350 }
357351 
358
-static int jz4740_i2s_resume(struct snd_soc_dai *dai)
352
+static int jz4740_i2s_resume(struct snd_soc_component *component)
359353 {
360
-	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);
354
+	struct jz4740_i2s *i2s = snd_soc_component_get_drvdata(component);
361355 	uint32_t conf;
362356 	int ret;
363357 
....@@ -365,7 +359,7 @@
365359 	if (ret)
366360 		return ret;
367361 
368
-	if (dai->active) {
362
+	if (snd_soc_component_active(component)) {
369363 		ret = clk_prepare_enable(i2s->clk_i2s);
370364 		if (ret) {
371365 			clk_disable_unprepare(i2s->clk_aic);
....@@ -411,9 +405,9 @@
411405 	snd_soc_dai_init_dma_data(dai, &i2s->playback_dma_data,
412406 		&i2s->capture_dma_data);
413407 
414
-	if (i2s->version >= JZ_I2S_JZ4780) {
415
-		conf = (7 << JZ4780_AIC_CONF_FIFO_RX_THRESHOLD_OFFSET) |
416
-			(8 << JZ4780_AIC_CONF_FIFO_TX_THRESHOLD_OFFSET) |
408
+	if (i2s->soc_info->version >= JZ_I2S_JZ4760) {
409
+		conf = (7 << JZ4760_AIC_CONF_FIFO_RX_THRESHOLD_OFFSET) |
410
+			(8 << JZ4760_AIC_CONF_FIFO_TX_THRESHOLD_OFFSET) |
417411 			JZ_AIC_CONF_OVERFLOW_PLAY_LAST |
418412 			JZ_AIC_CONF_I2S |
419413 			JZ_AIC_CONF_INTERNAL_CODEC;
....@@ -468,11 +462,19 @@
468462 	},
469463 	.symmetric_rates = 1,
470464 	.ops = &jz4740_i2s_dai_ops,
471
-	.suspend = jz4740_i2s_suspend,
472
-	.resume = jz4740_i2s_resume,
473465 };
474466 
475
-static struct snd_soc_dai_driver jz4780_i2s_dai = {
467
+static const struct i2s_soc_info jz4740_i2s_soc_info = {
468
+	.version = JZ_I2S_JZ4740,
469
+	.dai = &jz4740_i2s_dai,
470
+};
471
+
472
+static const struct i2s_soc_info jz4760_i2s_soc_info = {
473
+	.version = JZ_I2S_JZ4760,
474
+	.dai = &jz4740_i2s_dai,
475
+};
476
+
477
+static struct snd_soc_dai_driver jz4770_i2s_dai = {
476478 	.probe = jz4740_i2s_dai_probe,
477479 	.remove = jz4740_i2s_dai_remove,
478480 	.playback = {
....@@ -488,66 +490,69 @@
488490 		.formats = JZ4740_I2S_FMTS,
489491 	},
490492 	.ops = &jz4740_i2s_dai_ops,
491
-	.suspend = jz4740_i2s_suspend,
492
-	.resume = jz4740_i2s_resume,
493
+};
494
+
495
+static const struct i2s_soc_info jz4770_i2s_soc_info = {
496
+	.version = JZ_I2S_JZ4770,
497
+	.dai = &jz4770_i2s_dai,
498
+};
499
+
500
+static const struct i2s_soc_info jz4780_i2s_soc_info = {
501
+	.version = JZ_I2S_JZ4780,
502
+	.dai = &jz4770_i2s_dai,
493503 };
494504 
495505 static const struct snd_soc_component_driver jz4740_i2s_component = {
496506 	.name		= "jz4740-i2s",
507
+	.suspend	= jz4740_i2s_suspend,
508
+	.resume		= jz4740_i2s_resume,
497509 };
498510 
499
-#ifdef CONFIG_OF
500511 static const struct of_device_id jz4740_of_matches[] = {
501
-	{ .compatible = "ingenic,jz4740-i2s", .data = (void *)JZ_I2S_JZ4740 },
502
-	{ .compatible = "ingenic,jz4780-i2s", .data = (void *)JZ_I2S_JZ4780 },
512
+	{ .compatible = "ingenic,jz4740-i2s", .data = &jz4740_i2s_soc_info },
513
+	{ .compatible = "ingenic,jz4760-i2s", .data = &jz4760_i2s_soc_info },
514
+	{ .compatible = "ingenic,jz4770-i2s", .data = &jz4770_i2s_soc_info },
515
+	{ .compatible = "ingenic,jz4780-i2s", .data = &jz4780_i2s_soc_info },
503516 	{ /* sentinel */ }
504517 };
505518 MODULE_DEVICE_TABLE(of, jz4740_of_matches);
506
-#endif
507519 
508520 static int jz4740_i2s_dev_probe(struct platform_device *pdev)
509521 {
522
+	struct device *dev = &pdev->dev;
510523 	struct jz4740_i2s *i2s;
511524 	struct resource *mem;
512525 	int ret;
513
-	const struct of_device_id *match;
514526 
515
-	i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL);
527
+	i2s = devm_kzalloc(dev, sizeof(*i2s), GFP_KERNEL);
516528 	if (!i2s)
517529 		return -ENOMEM;
518530 
519
-	match = of_match_device(jz4740_of_matches, &pdev->dev);
520
-	if (match)
521
-		i2s->version = (enum jz47xx_i2s_version)match->data;
531
+	i2s->soc_info = device_get_match_data(dev);
522532 
523533 	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
524
-	i2s->base = devm_ioremap_resource(&pdev->dev, mem);
534
+	i2s->base = devm_ioremap_resource(dev, mem);
525535 	if (IS_ERR(i2s->base))
526536 		return PTR_ERR(i2s->base);
527537 
528538 	i2s->phys_base = mem->start;
529539 
530
-	i2s->clk_aic = devm_clk_get(&pdev->dev, "aic");
540
+	i2s->clk_aic = devm_clk_get(dev, "aic");
531541 	if (IS_ERR(i2s->clk_aic))
532542 		return PTR_ERR(i2s->clk_aic);
533543 
534
-	i2s->clk_i2s = devm_clk_get(&pdev->dev, "i2s");
544
+	i2s->clk_i2s = devm_clk_get(dev, "i2s");
535545 	if (IS_ERR(i2s->clk_i2s))
536546 		return PTR_ERR(i2s->clk_i2s);
537547 
538548 	platform_set_drvdata(pdev, i2s);
539549 
540
-	if (i2s->version == JZ_I2S_JZ4780)
541
-		ret = devm_snd_soc_register_component(&pdev->dev,
542
-			&jz4740_i2s_component, &jz4780_i2s_dai, 1);
543
-	else
544
-		ret = devm_snd_soc_register_component(&pdev->dev,
545
-			&jz4740_i2s_component, &jz4740_i2s_dai, 1);
546
-
550
+	ret = devm_snd_soc_register_component(dev, &jz4740_i2s_component,
551
+					      i2s->soc_info->dai, 1);
547552 	if (ret)
548553 		return ret;
549554 
550
-	return devm_snd_dmaengine_pcm_register(&pdev->dev, NULL,
555
+	return devm_snd_dmaengine_pcm_register(dev, NULL,
551556 		SND_DMAENGINE_PCM_FLAG_COMPAT);
552557 }
553558 
....@@ -555,7 +560,7 @@
555560 	.probe = jz4740_i2s_dev_probe,
556561 	.driver = {
557562 		.name = "jz4740-i2s",
558
-		.of_match_table = of_match_ptr(jz4740_of_matches)
563
+		.of_match_table = jz4740_of_matches,
559564 	},
560565 };
561566