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authorMarcus Cooper <codekipper@gmail.com>2017-08-19 14:48:35 +0200
committerMark Brown <broonie@kernel.org>2017-08-21 17:15:59 +0100
commit5f93b0639634929b8349f9f9d83e1d881c1c7d4a (patch)
treec20b83a4bd85b14ae2abb4a3c9d8212cd979162b /sound/soc/sunxi
parent296935213feb7bcb72ab8750a8cacb66baeb0eb3 (diff)
downloadlinux-5f93b0639634929b8349f9f9d83e1d881c1c7d4a.tar.bz2
ASoC: sun4i-i2s: Add mclk enable regmap field
The location of the mclk output enable bit is different on newer SoCs. Use a regmap field to enable it. Signed-off-by: Marcus Cooper <codekipper@gmail.com> Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sunxi')
-rw-r--r--sound/soc/sunxi/sun4i-i2s.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c
index 8c7ad5bfe821..761b7c0f6a32 100644
--- a/sound/soc/sunxi/sun4i-i2s.c
+++ b/sound/soc/sunxi/sun4i-i2s.c
@@ -101,6 +101,7 @@
* @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_clkdiv_mclk_en: regmap field to enable mclk output.
* @field_fmt_wss: regmap field to set word select size.
* @field_fmt_sr: regmap field to set sample resolution.
* @field_fmt_bclk: regmap field to set clk polarity.
@@ -119,6 +120,7 @@ struct sun4i_i2s_quirks {
unsigned int fmt_offset;
/* Register fields for i2s */
+ struct reg_field field_clkdiv_mclk_en;
struct reg_field field_fmt_wss;
struct reg_field field_fmt_sr;
struct reg_field field_fmt_bclk;
@@ -141,6 +143,7 @@ struct sun4i_i2s {
struct snd_dmaengine_dai_dma_data playback_dma_data;
/* Register fields for i2s */
+ struct regmap_field *field_clkdiv_mclk_en;
struct regmap_field *field_fmt_wss;
struct regmap_field *field_fmt_sr;
struct regmap_field *field_fmt_bclk;
@@ -283,8 +286,9 @@ static int sun4i_i2s_set_clk_rate(struct sun4i_i2s *i2s,
regmap_write(i2s->regmap, SUN4I_I2S_CLK_DIV_REG,
SUN4I_I2S_CLK_DIV_BCLK(bclk_div) |
- SUN4I_I2S_CLK_DIV_MCLK(mclk_div) |
- SUN4I_I2S_CLK_DIV_MCLK_EN);
+ SUN4I_I2S_CLK_DIV_MCLK(mclk_div));
+
+ regmap_field_write(i2s->field_clkdiv_mclk_en, 1);
return 0;
}
@@ -713,6 +717,7 @@ 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_clkdiv_mclk_en = REG_FIELD(SUN4I_I2S_CLK_DIV_REG, 7, 7),
.field_fmt_wss = REG_FIELD(SUN4I_I2S_FMT0_REG, 2, 3),
.field_fmt_sr = REG_FIELD(SUN4I_I2S_FMT0_REG, 4, 5),
.field_fmt_bclk = REG_FIELD(SUN4I_I2S_FMT0_REG, 6, 6),
@@ -727,6 +732,7 @@ 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_clkdiv_mclk_en = REG_FIELD(SUN4I_I2S_CLK_DIV_REG, 7, 7),
.field_fmt_wss = REG_FIELD(SUN4I_I2S_FMT0_REG, 2, 3),
.field_fmt_sr = REG_FIELD(SUN4I_I2S_FMT0_REG, 4, 5),
.field_fmt_bclk = REG_FIELD(SUN4I_I2S_FMT0_REG, 6, 6),
@@ -740,6 +746,12 @@ 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_clkdiv_mclk_en =
+ devm_regmap_field_alloc(dev, i2s->regmap,
+ i2s->variant->field_clkdiv_mclk_en);
+ if (IS_ERR(i2s->field_clkdiv_mclk_en))
+ return PTR_ERR(i2s->field_clkdiv_mclk_en);
+
i2s->field_fmt_wss =
devm_regmap_field_alloc(dev, i2s->regmap,
i2s->variant->field_fmt_wss);