linux-kernel - [PATCH 5/6] ASoC: jz4740-i2s: Add support for the JZ4760

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Message-Id: <20200306222931.39664-5-paul@crapouillou.net>
Date:   Fri,  6 Mar 2020 23:29:30 +0100
From:   Paul Cercueil <paul@...pouillou.net>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc:     alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, od@...c.me,
        Zhou Yanjie <zhouyanjie@...yeetech.com>,
        Paul Cercueil <paul@...pouillou.net>
Subject: [PATCH 5/6] ASoC: jz4740-i2s: Add support for the JZ4760

The change of offset for the {rx,tx}_threshold fields in the conf
register predates the JZ4780, and was first introduced in the JZ4760.

Signed-off-by: Paul Cercueil <paul@...pouillou.net>
---
 sound/soc/jz4740/jz4740-i2s.c | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/sound/soc/jz4740/jz4740-i2s.c b/sound/soc/jz4740/jz4740-i2s.c
index 3f9b2e1b4747..253f8d8ba273 100644
--- a/sound/soc/jz4740/jz4740-i2s.c
+++ b/sound/soc/jz4740/jz4740-i2s.c
@@ -49,12 +49,8 @@
 
 #define JZ_AIC_CONF_FIFO_RX_THRESHOLD_OFFSET 12
 #define JZ_AIC_CONF_FIFO_TX_THRESHOLD_OFFSET 8
-#define JZ4780_AIC_CONF_FIFO_RX_THRESHOLD_OFFSET 24
-#define JZ4780_AIC_CONF_FIFO_TX_THRESHOLD_OFFSET 16
-#define JZ4780_AIC_CONF_FIFO_RX_THRESHOLD_MASK \
-			(0xf << JZ4780_AIC_CONF_FIFO_RX_THRESHOLD_OFFSET)
-#define JZ4780_AIC_CONF_FIFO_TX_THRESHOLD_MASK \
-			(0x1f <<  JZ4780_AIC_CONF_FIFO_TX_THRESHOLD_OFFSET)
+#define JZ4760_AIC_CONF_FIFO_RX_THRESHOLD_OFFSET 24
+#define JZ4760_AIC_CONF_FIFO_TX_THRESHOLD_OFFSET 16
 
 #define JZ_AIC_CTRL_OUTPUT_SAMPLE_SIZE_MASK (0x7 << 19)
 #define JZ_AIC_CTRL_INPUT_SAMPLE_SIZE_MASK (0x7 << 16)
@@ -90,6 +86,7 @@
 
 enum jz47xx_i2s_version {
 	JZ_I2S_JZ4740,
+	JZ_I2S_JZ4760,
 	JZ_I2S_JZ4780,
 };
 
@@ -403,9 +400,9 @@ static int jz4740_i2s_dai_probe(struct snd_soc_dai *dai)
 	snd_soc_dai_init_dma_data(dai, &i2s->playback_dma_data,
 		&i2s->capture_dma_data);
 
-	if (i2s->soc_info->version >= JZ_I2S_JZ4780) {
-		conf = (7 << JZ4780_AIC_CONF_FIFO_RX_THRESHOLD_OFFSET) |
-			(8 << JZ4780_AIC_CONF_FIFO_TX_THRESHOLD_OFFSET) |
+	if (i2s->soc_info->version >= JZ_I2S_JZ4760) {
+		conf = (7 << JZ4760_AIC_CONF_FIFO_RX_THRESHOLD_OFFSET) |
+			(8 << JZ4760_AIC_CONF_FIFO_TX_THRESHOLD_OFFSET) |
 			JZ_AIC_CONF_OVERFLOW_PLAY_LAST |
 			JZ_AIC_CONF_I2S |
 			JZ_AIC_CONF_INTERNAL_CODEC;
@@ -467,6 +464,11 @@ static const struct i2s_soc_info jz4740_i2s_soc_info = {
 	.dai = &jz4740_i2s_dai,
 };
 
+static const struct i2s_soc_info jz4760_i2s_soc_info = {
+	.version = JZ_I2S_JZ4760,
+	.dai = &jz4740_i2s_dai,
+};
+
 static struct snd_soc_dai_driver jz4780_i2s_dai = {
 	.probe = jz4740_i2s_dai_probe,
 	.remove = jz4740_i2s_dai_remove,
@@ -499,6 +501,7 @@ static const struct snd_soc_component_driver jz4740_i2s_component = {
 #ifdef CONFIG_OF
 static const struct of_device_id jz4740_of_matches[] = {
 	{ .compatible = "ingenic,jz4740-i2s", .data = &jz4740_i2s_soc_info },
+	{ .compatible = "ingenic,jz4760-i2s", .data = &jz4760_i2s_soc_info },
 	{ .compatible = "ingenic,jz4780-i2s", .data = &jz4780_i2s_soc_info },
 	{ /* sentinel */ }
 };
-- 
2.25.1