diff options
| -rw-r--r-- | sound/soc/sunxi/sun4i-codec.c | 92 | ||||
| -rw-r--r-- | sound/soc/sunxi/sun4i-i2s.c | 52 |
2 files changed, 99 insertions, 45 deletions
diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c index 56ed9472e89f..5ff071fd4996 100644 --- a/sound/soc/sunxi/sun4i-codec.c +++ b/sound/soc/sunxi/sun4i-codec.c @@ -38,7 +38,7 @@ #include <sound/initval.h> #include <sound/dmaengine_pcm.h> -/* Codec DAC register offsets and bit fields */ +/* Codec DAC digital controls and FIFO registers */ #define SUN4I_CODEC_DAC_DPC (0x00) #define SUN4I_CODEC_DAC_DPC_EN_DA (31) #define SUN4I_CODEC_DAC_DPC_DVOL (12) @@ -55,6 +55,8 @@ #define SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH (0) #define SUN4I_CODEC_DAC_FIFOS (0x08) #define SUN4I_CODEC_DAC_TXDATA (0x0c) + +/* Codec DAC side analog signal controls */ #define SUN4I_CODEC_DAC_ACTL (0x10) #define SUN4I_CODEC_DAC_ACTL_DACAENR (31) #define SUN4I_CODEC_DAC_ACTL_DACAENL (30) @@ -69,7 +71,7 @@ #define SUN4I_CODEC_DAC_TUNE (0x14) #define SUN4I_CODEC_DAC_DEBUG (0x18) -/* Codec ADC register offsets and bit fields */ +/* Codec ADC digital controls and FIFO registers */ #define SUN4I_CODEC_ADC_FIFOC (0x1c) #define SUN4I_CODEC_ADC_FIFOC_ADC_FS (29) #define SUN4I_CODEC_ADC_FIFOC_EN_AD (28) @@ -81,6 +83,8 @@ #define SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH (0) #define SUN4I_CODEC_ADC_FIFOS (0x20) #define SUN4I_CODEC_ADC_RXDATA (0x24) + +/* Codec ADC side analog signal controls */ #define SUN4I_CODEC_ADC_ACTL (0x28) #define SUN4I_CODEC_ADC_ACTL_ADC_R_EN (31) #define SUN4I_CODEC_ADC_ACTL_ADC_L_EN (30) @@ -93,10 +97,14 @@ #define SUN4I_CODEC_ADC_ACTL_DDE (3) #define SUN4I_CODEC_ADC_DEBUG (0x2c) -/* Other various ADC registers */ +/* FIFO counters */ #define SUN4I_CODEC_DAC_TXCNT (0x30) #define SUN4I_CODEC_ADC_RXCNT (0x34) + +/* Calibration register (sun7i only) */ #define SUN7I_CODEC_AC_DAC_CAL (0x38) + +/* Microphone controls (sun7i only) */ #define SUN7I_CODEC_AC_MIC_PHONE_CAL (0x3c) struct sun4i_codec { @@ -678,45 +686,6 @@ static struct snd_soc_dai_driver dummy_cpu_dai = { }, }; -static const struct regmap_config sun4i_codec_regmap_config = { - .reg_bits = 32, - .reg_stride = 4, - .val_bits = 32, - .max_register = SUN4I_CODEC_ADC_RXCNT, -}; - -static const struct regmap_config sun7i_codec_regmap_config = { - .reg_bits = 32, - .reg_stride = 4, - .val_bits = 32, - .max_register = SUN7I_CODEC_AC_MIC_PHONE_CAL, -}; - -struct sun4i_codec_quirks { - const struct regmap_config *regmap_config; -}; - -static const struct sun4i_codec_quirks sun4i_codec_quirks = { - .regmap_config = &sun4i_codec_regmap_config, -}; - -static const struct sun4i_codec_quirks sun7i_codec_quirks = { - .regmap_config = &sun7i_codec_regmap_config, -}; - -static const struct of_device_id sun4i_codec_of_match[] = { - { - .compatible = "allwinner,sun4i-a10-codec", - .data = &sun4i_codec_quirks, - }, - { - .compatible = "allwinner,sun7i-a20-codec", - .data = &sun7i_codec_quirks, - }, - {} -}; -MODULE_DEVICE_TABLE(of, sun4i_codec_of_match); - static struct snd_soc_dai_link *sun4i_codec_create_link(struct device *dev, int *num_links) { @@ -781,6 +750,45 @@ static struct snd_soc_card *sun4i_codec_create_card(struct device *dev) return card; }; +static const struct regmap_config sun4i_codec_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = SUN4I_CODEC_ADC_RXCNT, +}; + +static const struct regmap_config sun7i_codec_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = SUN7I_CODEC_AC_MIC_PHONE_CAL, +}; + +struct sun4i_codec_quirks { + const struct regmap_config *regmap_config; +}; + +static const struct sun4i_codec_quirks sun4i_codec_quirks = { + .regmap_config = &sun4i_codec_regmap_config, +}; + +static const struct sun4i_codec_quirks sun7i_codec_quirks = { + .regmap_config = &sun7i_codec_regmap_config, +}; + +static const struct of_device_id sun4i_codec_of_match[] = { + { + .compatible = "allwinner,sun4i-a10-codec", + .data = &sun4i_codec_quirks, + }, + { + .compatible = "allwinner,sun7i-a20-codec", + .data = &sun7i_codec_quirks, + }, + {} +}; +MODULE_DEVICE_TABLE(of, sun4i_codec_of_match); + static int sun4i_codec_probe(struct platform_device *pdev) { struct snd_soc_card *card; diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c index 687a8f83dbe5..a7653114e895 100644 --- a/sound/soc/sunxi/sun4i-i2s.c +++ b/sound/soc/sunxi/sun4i-i2s.c @@ -93,6 +93,7 @@ struct sun4i_i2s { struct clk *mod_clk; struct regmap *regmap; + struct snd_dmaengine_dai_dma_data capture_dma_data; struct snd_dmaengine_dai_dma_data playback_dma_data; }; @@ -341,6 +342,27 @@ static int sun4i_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) return 0; } +static void sun4i_i2s_start_capture(struct sun4i_i2s *i2s) +{ + /* Flush RX FIFO */ + regmap_update_bits(i2s->regmap, SUN4I_I2S_FIFO_CTRL_REG, + SUN4I_I2S_FIFO_CTRL_FLUSH_RX, + SUN4I_I2S_FIFO_CTRL_FLUSH_RX); + + /* Clear RX counter */ + regmap_write(i2s->regmap, SUN4I_I2S_RX_CNT_REG, 0); + + /* Enable RX Block */ + regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG, + SUN4I_I2S_CTRL_RX_EN, + SUN4I_I2S_CTRL_RX_EN); + + /* Enable RX DRQ */ + regmap_update_bits(i2s->regmap, SUN4I_I2S_DMA_INT_CTRL_REG, + SUN4I_I2S_DMA_INT_CTRL_RX_DRQ_EN, + SUN4I_I2S_DMA_INT_CTRL_RX_DRQ_EN); +} + static void sun4i_i2s_start_playback(struct sun4i_i2s *i2s) { /* Flush TX FIFO */ @@ -362,6 +384,18 @@ static void sun4i_i2s_start_playback(struct sun4i_i2s *i2s) SUN4I_I2S_DMA_INT_CTRL_TX_DRQ_EN); } +static void sun4i_i2s_stop_capture(struct sun4i_i2s *i2s) +{ + /* Disable RX Block */ + regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG, + SUN4I_I2S_CTRL_RX_EN, + 0); + + /* Disable RX DRQ */ + regmap_update_bits(i2s->regmap, SUN4I_I2S_DMA_INT_CTRL_REG, + SUN4I_I2S_DMA_INT_CTRL_RX_DRQ_EN, + 0); +} static void sun4i_i2s_stop_playback(struct sun4i_i2s *i2s) { @@ -388,7 +422,7 @@ static int sun4i_i2s_trigger(struct snd_pcm_substream *substream, int cmd, if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) sun4i_i2s_start_playback(i2s); else - return -EINVAL; + sun4i_i2s_start_capture(i2s); break; case SNDRV_PCM_TRIGGER_STOP: @@ -397,7 +431,7 @@ static int sun4i_i2s_trigger(struct snd_pcm_substream *substream, int cmd, if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) sun4i_i2s_stop_playback(i2s); else - return -EINVAL; + sun4i_i2s_stop_capture(i2s); break; default: @@ -459,7 +493,9 @@ static int sun4i_i2s_dai_probe(struct snd_soc_dai *dai) { struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai); - snd_soc_dai_init_dma_data(dai, &i2s->playback_dma_data, NULL); + snd_soc_dai_init_dma_data(dai, + &i2s->playback_dma_data, + &i2s->capture_dma_data); snd_soc_dai_set_drvdata(dai, i2s); @@ -468,6 +504,13 @@ static int sun4i_i2s_dai_probe(struct snd_soc_dai *dai) static struct snd_soc_dai_driver sun4i_i2s_dai = { .probe = sun4i_i2s_dai_probe, + .capture = { + .stream_name = "Capture", + .channels_min = 2, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = SNDRV_PCM_FMTBIT_S16_LE, + }, .playback = { .stream_name = "Playback", .channels_min = 2, @@ -630,6 +673,9 @@ static int sun4i_i2s_probe(struct platform_device *pdev) i2s->playback_dma_data.addr = res->start + SUN4I_I2S_FIFO_TX_REG; i2s->playback_dma_data.maxburst = 4; + i2s->capture_dma_data.addr = res->start + SUN4I_I2S_FIFO_RX_REG; + i2s->capture_dma_data.maxburst = 4; + pm_runtime_enable(&pdev->dev); if (!pm_runtime_enabled(&pdev->dev)) { ret = sun4i_i2s_runtime_resume(&pdev->dev); |