From: Marcus Cooper <codekipper@xxxxxxxxx>
The Allwinner H616 SoC uses a different register address to control the
output FIFO.
Allow this to be specified separately from the ADC FIFO control
register.
Signed-off-by: Marcus Cooper <codekipper@xxxxxxxxx>
Signed-off-by: Ryan Walklin <ryan@xxxxxxxxxxxxx>
---
sound/soc/sunxi/sun4i-codec.c | 83 +++++++++++++++++++++--------------
1 file changed, 51 insertions(+), 32 deletions(-)
diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
index 330bc0c09f56b..37f5678b55291 100644
--- a/sound/soc/sunxi/sun4i-codec.c
+++ b/sound/soc/sunxi/sun4i-codec.c
@@ -238,6 +238,8 @@ struct sun4i_codec {
/* ADC_FIFOC register is at different offset on different SoCs */
struct regmap_field *reg_adc_fifoc;
+ /* DAC_FIFOC register is at different offset on different SoCs */
+ struct regmap_field *reg_dac_fifoc;
struct snd_dmaengine_dai_dma_data capture_dma_data;
struct snd_dmaengine_dai_dma_data playback_dma_data;
@@ -246,19 +248,19 @@ struct sun4i_codec {
static void sun4i_codec_start_playback(struct sun4i_codec *scodec)
{
/* Flush TX FIFO */
- regmap_set_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
- BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH));
+ regmap_field_set_bits(scodec->reg_dac_fifoc,
+ BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH));
/* Enable DAC DRQ */
- regmap_set_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
- BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN));
+ regmap_field_set_bits(scodec->reg_dac_fifoc,
+ BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN));
}
static void sun4i_codec_stop_playback(struct sun4i_codec *scodec)
{
/* Disable DAC DRQ */
- regmap_clear_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
- BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN));
+ regmap_field_clear_bits(scodec->reg_dac_fifoc,
+ BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN));
}
static void sun4i_codec_start_capture(struct sun4i_codec *scodec)
@@ -356,13 +358,13 @@ static int sun4i_codec_prepare_playback(struct snd_pcm_substream *substream,
u32 val;
/* Flush the TX FIFO */
- regmap_set_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
- BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH));
+ regmap_field_set_bits(scodec->reg_dac_fifoc,
+ BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH));
/* Set TX FIFO Empty Trigger Level */
- regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
- 0x3f << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL,
- 0xf << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL);
+ regmap_field_update_bits(scodec->reg_dac_fifoc,
+ 0x3f << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL,
+ 0xf << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL);
if (substream->runtime->rate > 32000)
/* Use 64 bits FIR filter */
@@ -371,13 +373,13 @@ static int sun4i_codec_prepare_playback(struct snd_pcm_substream *substream,
/* Use 32 bits FIR filter */
val = BIT(SUN4I_CODEC_DAC_FIFOC_FIR_VERSION);
- regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
- BIT(SUN4I_CODEC_DAC_FIFOC_FIR_VERSION),
- val);
+ regmap_field_update_bits(scodec->reg_dac_fifoc,
+ BIT(SUN4I_CODEC_DAC_FIFOC_FIR_VERSION),
+ val);
/* Send zeros when we have an underrun */
- regmap_clear_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
- BIT(SUN4I_CODEC_DAC_FIFOC_SEND_LASAT));
+ regmap_field_clear_bits(scodec->reg_dac_fifoc,
+ BIT(SUN4I_CODEC_DAC_FIFOC_SEND_LASAT));
return 0;
};
@@ -510,9 +512,9 @@ static int sun4i_codec_hw_params_playback(struct sun4i_codec *scodec,
u32 val;
/* Set DAC sample rate */
- regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
- 7 << SUN4I_CODEC_DAC_FIFOC_DAC_FS,
- hwrate << SUN4I_CODEC_DAC_FIFOC_DAC_FS);
+ regmap_field_update_bits(scodec->reg_dac_fifoc,
+ 7 << SUN4I_CODEC_DAC_FIFOC_DAC_FS,
+ hwrate << SUN4I_CODEC_DAC_FIFOC_DAC_FS);
/* Set the number of channels we want to use */
if (params_channels(params) == 1)
@@ -520,27 +522,27 @@ static int sun4i_codec_hw_params_playback(struct sun4i_codec *scodec,
else
val = 0;
- regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
- BIT(SUN4I_CODEC_DAC_FIFOC_MONO_EN),
- val);
+ regmap_field_update_bits(scodec->reg_dac_fifoc,
+ BIT(SUN4I_CODEC_DAC_FIFOC_MONO_EN),
+ val);
/* Set the number of sample bits to either 16 or 24 bits */
if (hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min == 32) {
- regmap_set_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
- BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS));
+ regmap_field_set_bits(scodec->reg_dac_fifoc,
+ BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS));
/* Set TX FIFO mode to padding the LSBs with 0 */
- regmap_clear_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
- BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE));
+ regmap_field_clear_bits(scodec->reg_dac_fifoc,
+ BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE));
scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
} else {
- regmap_clear_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
- BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS));
+ regmap_field_clear_bits(scodec->reg_dac_fifoc,
+ BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS));
/* Set TX FIFO mode to repeat the MSB */
- regmap_set_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
- BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE));
+ regmap_field_set_bits(scodec->reg_dac_fifoc,
+ BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE));
scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
}
@@ -587,8 +589,8 @@ static int sun4i_codec_startup(struct snd_pcm_substream *substream,
* Stop issuing DRQ when we have room for less than 16 samples
* in our TX FIFO
*/
- regmap_set_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
- 3 << SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT);
+ regmap_field_set_bits(scodec->reg_dac_fifoc,
+ 3 << SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT);
return clk_prepare_enable(scodec->clk_module);
}
@@ -1565,6 +1567,7 @@ struct sun4i_codec_quirks {
const struct snd_soc_component_driver *codec;
struct snd_soc_card * (*create_card)(struct device *dev);
struct reg_field reg_adc_fifoc; /* used for regmap_field */
+ struct reg_field reg_dac_fifoc; /* used for regmap_field */
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;
@@ -1575,6 +1578,7 @@ static const struct sun4i_codec_quirks sun4i_codec_quirks = {
.codec = &sun4i_codec_codec,
.create_card = sun4i_codec_create_card,
.reg_adc_fifoc = REG_FIELD(SUN4I_CODEC_ADC_FIFOC, 0, 31),
+ .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,
};
@@ -1584,6 +1588,7 @@ static const struct sun4i_codec_quirks sun6i_a31_codec_quirks = {
.codec = &sun6i_codec_codec,
.create_card = sun6i_codec_create_card,
.reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
+ .reg_dac_fifoc = REG_FIELD(SUN4I_CODEC_DAC_FIFOC, 0, 31),
.reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
.reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
.has_reset = true,
@@ -1594,6 +1599,7 @@ static const struct sun4i_codec_quirks sun7i_codec_quirks = {
.codec = &sun7i_codec_codec,
.create_card = sun4i_codec_create_card,
.reg_adc_fifoc = REG_FIELD(SUN4I_CODEC_ADC_FIFOC, 0, 31),
+ .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,
};
@@ -1603,6 +1609,7 @@ static const struct sun4i_codec_quirks sun8i_a23_codec_quirks = {
.codec = &sun8i_a23_codec_codec,
.create_card = sun8i_a23_codec_create_card,
.reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
+ .reg_dac_fifoc = REG_FIELD(SUN4I_CODEC_DAC_FIFOC, 0, 31),
.reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA,
.reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
.has_reset = true,
@@ -1618,6 +1625,7 @@ static const struct sun4i_codec_quirks sun8i_h3_codec_quirks = {
.codec = &sun8i_a23_codec_codec,
.create_card = sun8i_h3_codec_create_card,
.reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
+ .reg_dac_fifoc = REG_FIELD(SUN4I_CODEC_DAC_FIFOC, 0, 31),
.reg_dac_txdata = SUN8I_H3_CODEC_DAC_TXDATA,
.reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
.has_reset = true,
@@ -1632,6 +1640,7 @@ static const struct sun4i_codec_quirks sun8i_v3s_codec_quirks = {
.codec = &sun8i_a23_codec_codec,
.create_card = sun8i_v3s_codec_create_card,
.reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31),
+ .reg_dac_fifoc = REG_FIELD(SUN4I_CODEC_DAC_FIFOC, 0, 31),
.reg_dac_txdata = SUN8I_H3_CODEC_DAC_TXDATA,
.reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA,
.has_reset = true,
@@ -1739,6 +1748,16 @@ static int sun4i_codec_probe(struct platform_device *pdev)
return ret;
}
+ scodec->reg_dac_fifoc = devm_regmap_field_alloc(&pdev->dev,
+ scodec->regmap,
+ quirks->reg_dac_fifoc);
+ if (IS_ERR(scodec->reg_dac_fifoc)) {
+ ret = PTR_ERR(scodec->reg_dac_fifoc);
+ dev_err(&pdev->dev, "Failed to create regmap fields: %d\n",
+ ret);
+ return ret;
+ }
+
/* Enable the bus clock */
if (clk_prepare_enable(scodec->clk_apb)) {
dev_err(&pdev->dev, "Failed to enable the APB clock\n");
--
2.46.1
