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@crapouillou.net>
Link: https://lore.kernel.org/r/20200306222931.39664-5-paul@crapouillou.net
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/jz4740/jz4740-i2s.c b/sound/soc/jz4740/jz4740-i2s.c
index 3f9b2e1..253f8d8 100644 (file)
--- 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 */ }
 };