diff options
Diffstat (limited to 'sound/soc/sunxi/sun4i-codec.c')
| -rw-r--r-- | sound/soc/sunxi/sun4i-codec.c | 58 |
1 files changed, 44 insertions, 14 deletions
diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c index baa9007464ed..886281673972 100644 --- a/sound/soc/sunxi/sun4i-codec.c +++ b/sound/soc/sunxi/sun4i-codec.c @@ -346,11 +346,6 @@ static int sun4i_codec_prepare_capture(struct snd_pcm_substream *substream, 0x3 << 8, 0x1 << 8); - /* Fill most significant bits with valid data MSB */ - regmap_field_update_bits(scodec->reg_adc_fifoc, - BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE), - BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE)); - return 0; } @@ -490,6 +485,30 @@ static int sun4i_codec_hw_params_capture(struct sun4i_codec *scodec, BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN), 0); + /* Set the number of sample bits to either 16 or 24 bits */ + if (hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min == 32) { + regmap_field_update_bits(scodec->reg_adc_fifoc, + BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS), + BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS)); + + regmap_field_update_bits(scodec->reg_adc_fifoc, + BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE), + 0); + + scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + } else { + regmap_field_update_bits(scodec->reg_adc_fifoc, + BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS), + 0); + + /* Fill most significant bits with valid data MSB */ + regmap_field_update_bits(scodec->reg_adc_fifoc, + BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE), + BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE)); + + scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES; + } + return 0; } @@ -571,12 +590,28 @@ static int sun4i_codec_hw_params(struct snd_pcm_substream *substream, hwrate); } + +static unsigned int sun4i_codec_src_rates[] = { + 8000, 11025, 12000, 16000, 22050, 24000, 32000, + 44100, 48000, 96000, 192000 +}; + + +static struct snd_pcm_hw_constraint_list sun4i_codec_constraints = { + .count = ARRAY_SIZE(sun4i_codec_src_rates), + .list = sun4i_codec_src_rates, +}; + + static int sun4i_codec_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card); + snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, &sun4i_codec_constraints); + /* * Stop issuing DRQ when we have room for less than 16 samples * in our TX FIFO @@ -614,9 +649,7 @@ static struct snd_soc_dai_driver sun4i_codec_dai = { .channels_max = 2, .rate_min = 8000, .rate_max = 192000, - .rates = SNDRV_PCM_RATE_8000_48000 | - SNDRV_PCM_RATE_96000 | - SNDRV_PCM_RATE_192000, + .rates = SNDRV_PCM_RATE_CONTINUOUS, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE, .sig_bits = 24, @@ -626,11 +659,8 @@ static struct snd_soc_dai_driver sun4i_codec_dai = { .channels_min = 1, .channels_max = 2, .rate_min = 8000, - .rate_max = 192000, - .rates = SNDRV_PCM_RATE_8000_48000 | - SNDRV_PCM_RATE_96000 | - SNDRV_PCM_RATE_192000 | - SNDRV_PCM_RATE_KNOT, + .rate_max = 48000, + .rates = SNDRV_PCM_RATE_CONTINUOUS, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE, .sig_bits = 24, @@ -1109,7 +1139,7 @@ static const struct snd_soc_component_driver sun4i_codec_component = { .name = "sun4i-codec", }; -#define SUN4I_CODEC_RATES SNDRV_PCM_RATE_8000_192000 +#define SUN4I_CODEC_RATES SNDRV_PCM_RATE_CONTINUOUS #define SUN4I_CODEC_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ SNDRV_PCM_FMTBIT_S32_LE) |