Unverified Commit cabd4ac2 authored by Mesih Kilinc's avatar Mesih Kilinc Committed by Mark Brown
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ASoC: sun4i-codec: Add DMA Max Burst field 



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: default avatarMesih Kilinc <mesihkilinc@gmail.com>
[ csokas.bence: Rebased on current master ]
Signed-off-by: default avatarCsókás Bence <csokas.bence@prolan.hu>
Link: https://patch.msgid.link/20241123123900.2656837-2-csokas.bence@prolan.hu
Link: https://github.com/mricon/b4/issues/50


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 40384c84

sound/soc/sunxi/sun4i-codec.c

+12 −2
Original line number Diff line number Diff line
@@ -265,6 +265,8 @@ 


/* TODO H3 DAP (Digital Audio Processing) bits */



#define SUN4I_DMA_MAX_BURST			(8)



struct sun4i_codec {

	struct device	*dev;

	struct regmap	*regmap;
@@ -1761,6 +1763,7 @@ struct sun4i_codec_quirks { 
	unsigned int reg_adc_rxdata;	/* RX FIFO offset for DMA config */

	bool has_reset;

	bool playback_only;

	u32 dma_max_burst;

};



static const struct sun4i_codec_quirks sun4i_codec_quirks = {
@@ -1771,6 +1774,7 @@ static const struct sun4i_codec_quirks sun4i_codec_quirks = { 
	.reg_dac_fifoc	= REG_FIELD(SUN4I_CODEC_DAC_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 = {
@@ -1782,6 +1786,7 @@ 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 = {
@@ -1792,6 +1797,7 @@ static const struct sun4i_codec_quirks sun7i_codec_quirks = { 
	.reg_dac_fifoc	= REG_FIELD(SUN4I_CODEC_DAC_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 = {
@@ -1803,6 +1809,7 @@ 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 = {
@@ -1819,6 +1826,7 @@ 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 = {
@@ -1834,6 +1842,7 @@ 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 sun4i_codec_quirks sun50i_h616_codec_quirks = {
@@ -1843,6 +1852,7 @@ static const struct sun4i_codec_quirks sun50i_h616_codec_quirks = { 
	.reg_dac_fifoc	= REG_FIELD(SUN50I_H616_CODEC_DAC_FIFOC, 0, 31),

	.reg_dac_txdata	= SUN8I_H3_CODEC_DAC_TXDATA,

	.has_reset	= true,

	.dma_max_burst	= SUN4I_DMA_MAX_BURST,

};



static const struct of_device_id sun4i_codec_of_match[] = {
@@ -1979,14 +1989,14 @@ 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;



	if (!quirks->playback_only) {

		/* 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;

	}