Allwinner suniv F1C100s has similar DMA engine to sun4i but it has
smaller max burst size compared to sun4i. Add a quirk field to
differantitate between them.
Signed-off-by: Mesih Kilinc <mesihkilinc@xxxxxxxxx>
---
sound/soc/sunxi/sun4i-codec.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
index 9a3cb77..7a9f84e 100644
--- a/sound/soc/sunxi/sun4i-codec.c
+++ b/sound/soc/sunxi/sun4i-codec.c
@@ -224,6 +224,8 @@
/* TODO H3 DAP (Digital Audio Processing) bits */
+#define SUN4I_DMA_MAX_BURST (8)
+
struct sun4i_codec {
struct device *dev;
struct regmap *regmap;
@@ -1462,6 +1464,7 @@ struct sun4i_codec_quirks {
unsigned int reg_dac_txdata; /* TX FIFO offset for DMA config */
unsigned int reg_adc_rxdata; /* RX FIFO offset for DMA config */
bool has_reset;
+ u32 dma_max_burst;
};
static const struct sun4i_codec_quirks sun4i_codec_quirks = {
@@ -1471,6 +1474,7 @@ static const struct sun4i_codec_quirks sun4i_codec_quirks = {
.reg_adc_fifoc = REG_FIELD(SUN4I_CODEC_ADC_FIFOC, 0, 31),
.reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
.reg_adc_rxdata = SUN4I_CODEC_ADC_RXDATA,
+ .dma_max_burst = SUN4I_DMA_MAX_BURST,
};
static const struct sun4i_codec_quirks sun6i_a31_codec_quirks = {
@@ -1481,6 +1485,7 @@ static const struct sun4i_codec_quirks sun6i_a31_codec_quirks = {
.reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
.reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
.has_reset = true,
+ .dma_max_burst = SUN4I_DMA_MAX_BURST,
};
static const struct sun4i_codec_quirks sun7i_codec_quirks = {
@@ -1490,6 +1495,7 @@ static const struct sun4i_codec_quirks sun7i_codec_quirks = {
.reg_adc_fifoc = REG_FIELD(SUN4I_CODEC_ADC_FIFOC, 0, 31),
.reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
.reg_adc_rxdata = SUN4I_CODEC_ADC_RXDATA,
+ .dma_max_burst = SUN4I_DMA_MAX_BURST,
};
static const struct sun4i_codec_quirks sun8i_a23_codec_quirks = {
@@ -1500,6 +1506,7 @@ static const struct sun4i_codec_quirks sun8i_a23_codec_quirks = {
.reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
.reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
.has_reset = true,
+ .dma_max_burst = SUN4I_DMA_MAX_BURST,
};
static const struct sun4i_codec_quirks sun8i_h3_codec_quirks = {
@@ -1515,6 +1522,7 @@ static const struct sun4i_codec_quirks sun8i_h3_codec_quirks = {
.reg_dac_txdata = SUN8I_H3_CODEC_DAC_TXDATA,
.reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
.has_reset = true,
+ .dma_max_burst = SUN4I_DMA_MAX_BURST,
};
static const struct sun4i_codec_quirks sun8i_v3s_codec_quirks = {
@@ -1529,6 +1537,7 @@ static const struct sun4i_codec_quirks sun8i_v3s_codec_quirks = {
.reg_dac_txdata = SUN8I_H3_CODEC_DAC_TXDATA,
.reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
.has_reset = true,
+ .dma_max_burst = SUN4I_DMA_MAX_BURST,
};
static const struct of_device_id sun4i_codec_of_match[] = {
@@ -1655,12 +1664,12 @@ static int sun4i_codec_probe(struct platform_device *pdev)
/* DMA configuration for TX FIFO */
scodec->playback_dma_data.addr = res->start + quirks->reg_dac_txdata;
- scodec->playback_dma_data.maxburst = 8;
+ scodec->playback_dma_data.maxburst = quirks->dma_max_burst;
scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
/* DMA configuration for RX FIFO */
scodec->capture_dma_data.addr = res->start + quirks->reg_adc_rxdata;
- scodec->capture_dma_data.maxburst = 8;
+ scodec->capture_dma_data.maxburst = quirks->dma_max_burst;
scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
ret = devm_snd_soc_register_component(&pdev->dev, quirks->codec,
--
2.7.4
