From: Marcus Cooper <codekip...@gmail.com>
On newer SoCs the location of the slot width select and sample
resolution are different and also there is a bigger range of
support.
For the current supported rates then an offset is required.
Signed-off-by: Marcus Cooper <codekip...@gmail.com>
---
sound/soc/sunxi/sun4i-i2s.c | 31 ++++++++++++++++++++++++++++---
1 file changed, 28 insertions(+), 3 deletions(-)
diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c
index 120f797a38e8..171df99a267e 100644
--- a/sound/soc/sunxi/sun4i-i2s.c
+++ b/sound/soc/sunxi/sun4i-i2s.c
@@ -98,6 +98,9 @@
* @sun4i_i2s_regmap: regmap config to use.
* @mclk_offset: Value by which mclkdiv needs to be adjusted.
* @bclk_offset: Value by which bclkdiv needs to be adjusted.
+ * @fmt_offset: Value by which wss and sr needs to be adjusted.
+ * @field_fmt_set_wss: regmap field to set word select size.
+ * @field_fmt_set_sr: regmap field to set sample resolution.
* @field_txchanmap: location of the tx channel mapping register.
* @field_rxchanmap: location of the rx channel mapping register.
* @field_txchansel: location of the tx channel select bit fields.
@@ -109,8 +112,11 @@ struct sun4i_i2s_quirks {
const struct regmap_config *sun4i_i2s_regmap;
unsigned int mclk_offset;
unsigned int bclk_offset;
+ unsigned int fmt_offset;
/* Register fields for i2s */
+ struct reg_field field_fmt_set_wss;
+ struct reg_field field_fmt_set_sr;
struct reg_field field_txchanmap;
struct reg_field field_rxchanmap;
struct reg_field field_txchansel;
@@ -129,6 +135,8 @@ struct sun4i_i2s {
struct snd_dmaengine_dai_dma_data playback_dma_data;
/* Register fields for i2s */
+ struct regmap_field *field_fmt_set_wss;
+ struct regmap_field *field_fmt_set_sr;
struct regmap_field *field_txchanmap;
struct regmap_field *field_rxchanmap;
struct regmap_field *field_txchansel;
@@ -311,9 +319,10 @@ static int sun4i_i2s_hw_params(struct snd_pcm_substream
*substream,
return -EINVAL;
}
- regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,
- SUN4I_I2S_FMT0_WSS_MASK | SUN4I_I2S_FMT0_SR_MASK,
- SUN4I_I2S_FMT0_WSS(wss) | SUN4I_I2S_FMT0_SR(sr));
+ regmap_field_write(i2s->field_fmt_set_wss,
+ wss + i2s->variant->fmt_offset);
+ regmap_field_write(i2s->field_fmt_set_sr,
+ sr + i2s->variant->fmt_offset);
return sun4i_i2s_set_clk_rate(i2s, params_rate(params),
params_width(params));
@@ -698,6 +707,8 @@ static const struct sun4i_i2s_quirks sun4i_a10_i2s_quirks =
{
.has_reset = false,
.reg_offset_txdata = SUN4I_I2S_FIFO_TX_REG,
.sun4i_i2s_regmap = &sun4i_i2s_regmap_config,
+ .field_fmt_set_wss = REG_FIELD(SUN4I_I2S_FMT0_REG, 2, 3),
+ .field_fmt_set_sr = REG_FIELD(SUN4I_I2S_FMT0_REG, 4, 5),
.field_txchanmap = REG_FIELD(SUN4I_I2S_TX_CHAN_MAP_REG, 0, 31),
.field_rxchanmap = REG_FIELD(SUN4I_I2S_RX_CHAN_MAP_REG, 0, 31),
.field_txchansel = REG_FIELD(SUN4I_I2S_TX_CHAN_SEL_REG, 0, 2),
@@ -708,6 +719,8 @@ static const struct sun4i_i2s_quirks sun6i_a31_i2s_quirks =
{
.has_reset = true,
.reg_offset_txdata = SUN4I_I2S_FIFO_TX_REG,
.sun4i_i2s_regmap = &sun4i_i2s_regmap_config,
+ .field_fmt_set_wss = REG_FIELD(SUN4I_I2S_FMT0_REG, 2, 3),
+ .field_fmt_set_sr = REG_FIELD(SUN4I_I2S_FMT0_REG, 4, 5),
.field_txchanmap = REG_FIELD(SUN4I_I2S_TX_CHAN_MAP_REG, 0, 31),
.field_rxchanmap = REG_FIELD(SUN4I_I2S_RX_CHAN_MAP_REG, 0, 31),
.field_txchansel = REG_FIELD(SUN4I_I2S_TX_CHAN_SEL_REG, 0, 2),
@@ -716,6 +729,18 @@ static const struct sun4i_i2s_quirks sun6i_a31_i2s_quirks
= {
static int sun4i_i2s_init_regmap_fields(struct device *dev, struct sun4i_i2s
*i2s)
{
+ i2s->field_fmt_set_wss =
+ devm_regmap_field_alloc(dev, i2s->regmap,
+ i2s->variant->field_fmt_set_wss);
+ if (IS_ERR(i2s->field_fmt_set_wss))
+ return PTR_ERR(i2s->field_fmt_set_wss);
+
+ i2s->field_fmt_set_sr =
+ devm_regmap_field_alloc(dev, i2s->regmap,
+ i2s->variant->field_fmt_set_sr);
+ if (IS_ERR(i2s->field_fmt_set_sr))
+ return PTR_ERR(i2s->field_fmt_set_sr);
+
i2s->field_txchanmap =
devm_regmap_field_alloc(dev, i2s->regmap,
i2s->variant->field_txchanmap);
--
2.13.3
