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Diffstat (limited to 'sound/soc/codecs/sirf-audio-codec.c')
-rw-r--r--sound/soc/codecs/sirf-audio-codec.c82
1 files changed, 69 insertions, 13 deletions
diff --git a/sound/soc/codecs/sirf-audio-codec.c b/sound/soc/codecs/sirf-audio-codec.c
index 58e7c1f23771..d90cb0fafcb2 100644
--- a/sound/soc/codecs/sirf-audio-codec.c
+++ b/sound/soc/codecs/sirf-audio-codec.c
@@ -109,7 +109,7 @@ static void enable_and_reset_codec(struct regmap *regmap,
{
regmap_update_bits(regmap, AUDIO_IC_CODEC_CTRL1,
codec_enable_bits | codec_reset_bits,
- codec_enable_bits | ~codec_reset_bits);
+ codec_enable_bits);
msleep(20);
regmap_update_bits(regmap, AUDIO_IC_CODEC_CTRL1,
codec_reset_bits, codec_reset_bits);
@@ -128,8 +128,7 @@ static int atlas6_codec_enable_and_reset_event(struct snd_soc_dapm_widget *w,
break;
case SND_SOC_DAPM_POST_PMD:
regmap_update_bits(sirf_audio_codec->regmap,
- AUDIO_IC_CODEC_CTRL1, ATLAS6_CODEC_ENABLE_BITS,
- ~ATLAS6_CODEC_ENABLE_BITS);
+ AUDIO_IC_CODEC_CTRL1, ATLAS6_CODEC_ENABLE_BITS, 0);
break;
default:
break;
@@ -151,8 +150,7 @@ static int prima2_codec_enable_and_reset_event(struct snd_soc_dapm_widget *w,
break;
case SND_SOC_DAPM_POST_PMD:
regmap_update_bits(sirf_audio_codec->regmap,
- AUDIO_IC_CODEC_CTRL1, PRIMA2_CODEC_ENABLE_BITS,
- ~PRIMA2_CODEC_ENABLE_BITS);
+ AUDIO_IC_CODEC_CTRL1, PRIMA2_CODEC_ENABLE_BITS, 0);
break;
default:
break;
@@ -279,13 +277,63 @@ static const struct snd_soc_dapm_route sirf_audio_codec_map[] = {
{"Mic input mode mux", "Differential", "MICIN1"},
};
+static void sirf_audio_codec_tx_enable(struct sirf_audio_codec *sirf_audio_codec)
+{
+ regmap_update_bits(sirf_audio_codec->regmap, AUDIO_PORT_IC_TXFIFO_OP,
+ AUDIO_FIFO_RESET, AUDIO_FIFO_RESET);
+ regmap_update_bits(sirf_audio_codec->regmap, AUDIO_PORT_IC_TXFIFO_OP,
+ AUDIO_FIFO_RESET, ~AUDIO_FIFO_RESET);
+ regmap_write(sirf_audio_codec->regmap, AUDIO_PORT_IC_TXFIFO_INT_MSK, 0);
+ regmap_write(sirf_audio_codec->regmap, AUDIO_PORT_IC_TXFIFO_OP, 0);
+ regmap_update_bits(sirf_audio_codec->regmap, AUDIO_PORT_IC_TXFIFO_OP,
+ AUDIO_FIFO_START, AUDIO_FIFO_START);
+ regmap_update_bits(sirf_audio_codec->regmap,
+ AUDIO_PORT_IC_CODEC_TX_CTRL, IC_TX_ENABLE, IC_TX_ENABLE);
+}
+
+static void sirf_audio_codec_tx_disable(struct sirf_audio_codec *sirf_audio_codec)
+{
+ regmap_write(sirf_audio_codec->regmap, AUDIO_PORT_IC_TXFIFO_OP, 0);
+ regmap_update_bits(sirf_audio_codec->regmap,
+ AUDIO_PORT_IC_CODEC_TX_CTRL, IC_TX_ENABLE, ~IC_TX_ENABLE);
+}
+
+static void sirf_audio_codec_rx_enable(struct sirf_audio_codec *sirf_audio_codec,
+ int channels)
+{
+ regmap_update_bits(sirf_audio_codec->regmap, AUDIO_PORT_IC_RXFIFO_OP,
+ AUDIO_FIFO_RESET, AUDIO_FIFO_RESET);
+ regmap_update_bits(sirf_audio_codec->regmap, AUDIO_PORT_IC_RXFIFO_OP,
+ AUDIO_FIFO_RESET, ~AUDIO_FIFO_RESET);
+ regmap_write(sirf_audio_codec->regmap,
+ AUDIO_PORT_IC_RXFIFO_INT_MSK, 0);
+ regmap_write(sirf_audio_codec->regmap, AUDIO_PORT_IC_RXFIFO_OP, 0);
+ regmap_update_bits(sirf_audio_codec->regmap, AUDIO_PORT_IC_RXFIFO_OP,
+ AUDIO_FIFO_START, AUDIO_FIFO_START);
+ if (channels == 1)
+ regmap_update_bits(sirf_audio_codec->regmap,
+ AUDIO_PORT_IC_CODEC_RX_CTRL,
+ IC_RX_ENABLE_MONO, IC_RX_ENABLE_MONO);
+ else
+ regmap_update_bits(sirf_audio_codec->regmap,
+ AUDIO_PORT_IC_CODEC_RX_CTRL,
+ IC_RX_ENABLE_STEREO, IC_RX_ENABLE_STEREO);
+}
+
+static void sirf_audio_codec_rx_disable(struct sirf_audio_codec *sirf_audio_codec)
+{
+ regmap_update_bits(sirf_audio_codec->regmap,
+ AUDIO_PORT_IC_CODEC_RX_CTRL,
+ IC_RX_ENABLE_STEREO, ~IC_RX_ENABLE_STEREO);
+}
+
static int sirf_audio_codec_trigger(struct snd_pcm_substream *substream,
int cmd,
struct snd_soc_dai *dai)
{
- int playback = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
struct snd_soc_codec *codec = dai->codec;
- u32 val = 0;
+ struct sirf_audio_codec *sirf_audio_codec = snd_soc_codec_get_drvdata(codec);
+ int playback = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
/*
* This is a workaround, When stop playback,
@@ -295,20 +343,28 @@ static int sirf_audio_codec_trigger(struct snd_pcm_substream *substream,
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ if (playback) {
+ snd_soc_update_bits(codec, AUDIO_IC_CODEC_CTRL0,
+ IC_HSLEN | IC_HSREN, 0);
+ sirf_audio_codec_tx_disable(sirf_audio_codec);
+ } else
+ sirf_audio_codec_rx_disable(sirf_audio_codec);
break;
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- if (playback)
- val = IC_HSLEN | IC_HSREN;
+ if (playback) {
+ sirf_audio_codec_tx_enable(sirf_audio_codec);
+ snd_soc_update_bits(codec, AUDIO_IC_CODEC_CTRL0,
+ IC_HSLEN | IC_HSREN, IC_HSLEN | IC_HSREN);
+ } else
+ sirf_audio_codec_rx_enable(sirf_audio_codec,
+ substream->runtime->channels);
break;
default:
return -EINVAL;
}
- if (playback)
- snd_soc_update_bits(codec, AUDIO_IC_CODEC_CTRL0,
- IC_HSLEN | IC_HSREN, val);
return 0;
}
@@ -392,7 +448,7 @@ static const struct regmap_config sirf_audio_codec_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
- .max_register = AUDIO_IC_CODEC_CTRL3,
+ .max_register = AUDIO_PORT_IC_RXFIFO_INT_MSK,
.cache_type = REGCACHE_NONE,
};