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path: root/sound/soc/sunxi/sun4i-i2s.c
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Diffstat (limited to 'sound/soc/sunxi/sun4i-i2s.c')
-rw-r--r--sound/soc/sunxi/sun4i-i2s.c82
1 files changed, 46 insertions, 36 deletions
diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c
index a4aa931ebfae..d5ec1a20499d 100644
--- a/sound/soc/sunxi/sun4i-i2s.c
+++ b/sound/soc/sunxi/sun4i-i2s.c
@@ -644,40 +644,6 @@ static int sun4i_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
return 0;
}
-static int sun4i_i2s_startup(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);
-
- /* Enable the whole hardware block */
- regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
- SUN4I_I2S_CTRL_GL_EN, SUN4I_I2S_CTRL_GL_EN);
-
- /* Enable the first output line */
- regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
- SUN4I_I2S_CTRL_SDO_EN_MASK,
- SUN4I_I2S_CTRL_SDO_EN(0));
-
-
- return clk_prepare_enable(i2s->mod_clk);
-}
-
-static void sun4i_i2s_shutdown(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai);
-
- clk_disable_unprepare(i2s->mod_clk);
-
- /* Disable our output lines */
- regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
- SUN4I_I2S_CTRL_SDO_EN_MASK, 0);
-
- /* Disable the whole hardware block */
- regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
- SUN4I_I2S_CTRL_GL_EN, 0);
-}
-
static int sun4i_i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id,
unsigned int freq, int dir)
{
@@ -695,8 +661,6 @@ static const struct snd_soc_dai_ops sun4i_i2s_dai_ops = {
.hw_params = sun4i_i2s_hw_params,
.set_fmt = sun4i_i2s_set_fmt,
.set_sysclk = sun4i_i2s_set_sysclk,
- .shutdown = sun4i_i2s_shutdown,
- .startup = sun4i_i2s_startup,
.trigger = sun4i_i2s_trigger,
};
@@ -869,6 +833,21 @@ static int sun4i_i2s_runtime_resume(struct device *dev)
goto err_disable_clk;
}
+ /* Enable the whole hardware block */
+ regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
+ SUN4I_I2S_CTRL_GL_EN, SUN4I_I2S_CTRL_GL_EN);
+
+ /* Enable the first output line */
+ regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
+ SUN4I_I2S_CTRL_SDO_EN_MASK,
+ SUN4I_I2S_CTRL_SDO_EN(0));
+
+ ret = clk_prepare_enable(i2s->mod_clk);
+ if (ret) {
+ dev_err(dev, "Failed to enable module clock\n");
+ goto err_disable_clk;
+ }
+
return 0;
err_disable_clk:
@@ -880,6 +859,16 @@ static int sun4i_i2s_runtime_suspend(struct device *dev)
{
struct sun4i_i2s *i2s = dev_get_drvdata(dev);
+ clk_disable_unprepare(i2s->mod_clk);
+
+ /* Disable our output lines */
+ regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
+ SUN4I_I2S_CTRL_SDO_EN_MASK, 0);
+
+ /* Disable the whole hardware block */
+ regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG,
+ SUN4I_I2S_CTRL_GL_EN, 0);
+
regcache_cache_only(i2s->regmap, true);
clk_disable_unprepare(i2s->bus_clk);
@@ -961,6 +950,23 @@ static const struct sun4i_i2s_quirks sun8i_h3_i2s_quirks = {
.field_rxchansel = REG_FIELD(SUN8I_I2S_RX_CHAN_SEL_REG, 0, 2),
};
+static const struct sun4i_i2s_quirks sun50i_a64_codec_i2s_quirks = {
+ .has_reset = true,
+ .reg_offset_txdata = SUN8I_I2S_FIFO_TX_REG,
+ .sun4i_i2s_regmap = &sun4i_i2s_regmap_config,
+ .has_slave_select_bit = true,
+ .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),
+ .field_fmt_lrclk = REG_FIELD(SUN4I_I2S_FMT0_REG, 7, 7),
+ .field_fmt_mode = REG_FIELD(SUN4I_I2S_FMT0_REG, 0, 1),
+ .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),
+ .field_rxchansel = REG_FIELD(SUN4I_I2S_RX_CHAN_SEL_REG, 0, 2),
+};
+
static int sun4i_i2s_init_regmap_fields(struct device *dev,
struct sun4i_i2s *i2s)
{
@@ -1169,6 +1175,10 @@ static const struct of_device_id sun4i_i2s_match[] = {
.compatible = "allwinner,sun8i-h3-i2s",
.data = &sun8i_h3_i2s_quirks,
},
+ {
+ .compatible = "allwinner,sun50i-a64-codec-i2s",
+ .data = &sun50i_a64_codec_i2s_quirks,
+ },
{}
};
MODULE_DEVICE_TABLE(of, sun4i_i2s_match);