The DAC and ADC path of the codec is independent, have dedicated LRCK (FS) and BCK for DAC/ADC.
They can be configured to use different format, TDM slots and slot_width if needed.
Move these parameters under dedicated io_params structure and manage them independently based on the dai.
Signed-off-by: Peter Ujfalusi peter.ujfalusi@ti.com --- sound/soc/codecs/pcm3168a.c | 125 ++++++++++++++++-------------------- 1 file changed, 54 insertions(+), 71 deletions(-)
diff --git a/sound/soc/codecs/pcm3168a.c b/sound/soc/codecs/pcm3168a.c index e84a1509fe65..75fa8e9ee894 100644 --- a/sound/soc/codecs/pcm3168a.c +++ b/sound/soc/codecs/pcm3168a.c @@ -44,18 +44,25 @@ static const char *const pcm3168a_supply_names[PCM3168A_NUM_SUPPLIES] = { "VCCDA2" };
+#define PCM3168A_DAI_DAC 0 +#define PCM3168A_DAI_ADC 1 + +/* ADC/DAC side parameters */ +struct pcm3168a_io_params { + bool master_mode; + unsigned int fmt; + int tdm_slots; + u32 tdm_mask; + int slot_width; +}; + struct pcm3168a_priv { struct regulator_bulk_data supplies[PCM3168A_NUM_SUPPLIES]; struct regmap *regmap; struct clk *scki; - bool adc_master_mode; - bool dac_master_mode; unsigned long sysclk; - unsigned int adc_fmt; - unsigned int dac_fmt; - int tdm_slots; - u32 tdm_mask[2]; - int slot_width; + + struct pcm3168a_io_params io_params[2]; };
static const char *const pcm3168a_roll_off[] = { "Sharp", "Slow" }; @@ -308,8 +315,7 @@ static int pcm3168a_set_dai_sysclk(struct snd_soc_dai *dai, return 0; }
-static int pcm3168a_set_dai_fmt(struct snd_soc_dai *dai, - unsigned int format, bool dac) +static int pcm3168a_set_dai_fmt(struct snd_soc_dai *dai, unsigned int format) { struct snd_soc_component *component = dai->component; struct pcm3168a_priv *pcm3168a = snd_soc_component_get_drvdata(component); @@ -356,43 +362,31 @@ static int pcm3168a_set_dai_fmt(struct snd_soc_dai *dai, return -EINVAL; }
- if (dac) { + if (dai->id == PCM3168A_DAI_DAC) { reg = PCM3168A_DAC_PWR_MST_FMT; mask = PCM3168A_DAC_FMT_MASK; shift = PCM3168A_DAC_FMT_SHIFT; - pcm3168a->dac_master_mode = master_mode; - pcm3168a->dac_fmt = fmt; } else { reg = PCM3168A_ADC_MST_FMT; mask = PCM3168A_ADC_FMTAD_MASK; shift = PCM3168A_ADC_FMTAD_SHIFT; - pcm3168a->adc_master_mode = master_mode; - pcm3168a->adc_fmt = fmt; }
+ pcm3168a->io_params[dai->id].master_mode = master_mode; + pcm3168a->io_params[dai->id].fmt = fmt; + regmap_update_bits(pcm3168a->regmap, reg, mask, fmt << shift);
return 0; }
-static int pcm3168a_set_dai_fmt_dac(struct snd_soc_dai *dai, - unsigned int format) -{ - return pcm3168a_set_dai_fmt(dai, format, true); -} - -static int pcm3168a_set_dai_fmt_adc(struct snd_soc_dai *dai, - unsigned int format) -{ - return pcm3168a_set_dai_fmt(dai, format, false); -} - static int pcm3168a_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) { struct snd_soc_component *component = dai->component; struct pcm3168a_priv *pcm3168a = snd_soc_component_get_drvdata(component); + struct pcm3168a_io_params *io_params = &pcm3168a->io_params[dai->id];
if (tx_mask >= (1<<slots) || rx_mask >= (1<<slots)) { dev_err(component->dev, @@ -408,22 +402,25 @@ static int pcm3168a_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, return -EINVAL; }
- if (pcm3168a->tdm_slots && pcm3168a->tdm_slots != slots) { + if (io_params->tdm_slots && io_params->tdm_slots != slots) { dev_err(component->dev, "Not matching slots %d vs %d\n", - pcm3168a->tdm_slots, slots); + io_params->tdm_slots, slots); return -EINVAL; }
- if (pcm3168a->slot_width && pcm3168a->slot_width != slot_width) { + if (io_params->slot_width && io_params->slot_width != slot_width) { dev_err(component->dev, "Not matching slot_width %d vs %d\n", - pcm3168a->slot_width, slot_width); + io_params->slot_width, slot_width); return -EINVAL; }
- pcm3168a->tdm_slots = slots; - pcm3168a->slot_width = slot_width; - pcm3168a->tdm_mask[SNDRV_PCM_STREAM_PLAYBACK] = tx_mask; - pcm3168a->tdm_mask[SNDRV_PCM_STREAM_CAPTURE] = rx_mask; + io_params->tdm_slots = slots; + io_params->slot_width = slot_width; + /* Ignore the not relevant mask for the DAI/direction */ + if (dai->id == PCM3168A_DAI_DAC) + io_params->tdm_mask = tx_mask; + else + io_params->tdm_mask = rx_mask;
return 0; } @@ -434,7 +431,8 @@ static int pcm3168a_hw_params(struct snd_pcm_substream *substream, { struct snd_soc_component *component = dai->component; struct pcm3168a_priv *pcm3168a = snd_soc_component_get_drvdata(component); - bool tx, master_mode; + struct pcm3168a_io_params *io_params = &pcm3168a->io_params[dai->id]; + bool master_mode; u32 val, mask, shift, reg; unsigned int rate, fmt, ratio, max_ratio; unsigned int tdm_slots; @@ -444,23 +442,21 @@ static int pcm3168a_hw_params(struct snd_pcm_substream *substream,
ratio = pcm3168a->sysclk / rate;
- tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; - if (tx) { + if (dai->id == PCM3168A_DAI_DAC) { max_ratio = PCM3168A_NUM_SCKI_RATIOS_DAC; reg = PCM3168A_DAC_PWR_MST_FMT; mask = PCM3168A_DAC_MSDA_MASK; shift = PCM3168A_DAC_MSDA_SHIFT; - master_mode = pcm3168a->dac_master_mode; - fmt = pcm3168a->dac_fmt; } else { max_ratio = PCM3168A_NUM_SCKI_RATIOS_ADC; reg = PCM3168A_ADC_MST_FMT; mask = PCM3168A_ADC_MSAD_MASK; shift = PCM3168A_ADC_MSAD_SHIFT; - master_mode = pcm3168a->adc_master_mode; - fmt = pcm3168a->adc_fmt; }
+ master_mode = io_params->master_mode; + fmt = io_params->fmt; + for (i = 0; i < max_ratio; i++) { if (pcm3168a_scki_ratios[i] == ratio) break; @@ -471,8 +467,8 @@ static int pcm3168a_hw_params(struct snd_pcm_substream *substream, return -EINVAL; }
- if (pcm3168a->slot_width) - slot_width = pcm3168a->slot_width; + if (io_params->slot_width) + slot_width = io_params->slot_width; else slot_width = params_width(params);
@@ -497,8 +493,8 @@ static int pcm3168a_hw_params(struct snd_pcm_substream *substream, return -EINVAL; }
- if (pcm3168a->tdm_slots) - tdm_slots = pcm3168a->tdm_slots; + if (io_params->tdm_slots) + tdm_slots = io_params->tdm_slots; else tdm_slots = params_channels(params);
@@ -534,7 +530,7 @@ static int pcm3168a_hw_params(struct snd_pcm_substream *substream,
regmap_update_bits(pcm3168a->regmap, reg, mask, val);
- if (tx) { + if (dai->id == PCM3168A_DAI_DAC) { mask = PCM3168A_DAC_FMT_MASK; shift = PCM3168A_DAC_FMT_SHIFT; } else { @@ -552,20 +548,13 @@ static int pcm3168a_startup(struct snd_pcm_substream *substream, { struct snd_soc_component *component = dai->component; struct pcm3168a_priv *pcm3168a = snd_soc_component_get_drvdata(component); - bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; - unsigned int fmt; unsigned int sample_min; unsigned int channel_max; unsigned int channel_maxs[] = { - 6, /* rx */ - 8 /* tx */ + 8, /* DAC */ + 6 /* ADC */ };
- if (tx) - fmt = pcm3168a->dac_fmt; - else - fmt = pcm3168a->adc_fmt; - /* * Available Data Bits * @@ -578,7 +567,7 @@ static int pcm3168a_startup(struct snd_pcm_substream *substream, * I2S * LEFT_J */ - switch (fmt) { + switch (pcm3168a->io_params[dai->id].fmt) { case PCM3168A_FMT_RIGHT_J: sample_min = 16; channel_max = 2; @@ -588,7 +577,7 @@ static int pcm3168a_startup(struct snd_pcm_substream *substream, case PCM3168A_FMT_DSP_A: case PCM3168A_FMT_DSP_B: sample_min = 24; - channel_max = channel_maxs[tx]; + channel_max = channel_maxs[dai->id]; break; default: sample_min = 24; @@ -600,8 +589,8 @@ static int pcm3168a_startup(struct snd_pcm_substream *substream, sample_min, 32);
/* Allow all channels in multi DIN/DOUT mode */ - if (pcm3168a->tdm_slots == 2) - channel_max = channel_maxs[tx]; + if (pcm3168a->io_params[dai->id].tdm_slots == 2) + channel_max = channel_maxs[dai->id];
snd_pcm_hw_constraint_minmax(substream->runtime, SNDRV_PCM_HW_PARAM_CHANNELS, @@ -609,26 +598,19 @@ static int pcm3168a_startup(struct snd_pcm_substream *substream,
return 0; } -static const struct snd_soc_dai_ops pcm3168a_dac_dai_ops = { +static const struct snd_soc_dai_ops pcm3168a_dai_ops = { .startup = pcm3168a_startup, - .set_fmt = pcm3168a_set_dai_fmt_dac, + .set_fmt = pcm3168a_set_dai_fmt, .set_sysclk = pcm3168a_set_dai_sysclk, .hw_params = pcm3168a_hw_params, .digital_mute = pcm3168a_digital_mute, .set_tdm_slot = pcm3168a_set_tdm_slot, };
-static const struct snd_soc_dai_ops pcm3168a_adc_dai_ops = { - .startup = pcm3168a_startup, - .set_fmt = pcm3168a_set_dai_fmt_adc, - .set_sysclk = pcm3168a_set_dai_sysclk, - .hw_params = pcm3168a_hw_params, - .set_tdm_slot = pcm3168a_set_tdm_slot, -}; - static struct snd_soc_dai_driver pcm3168a_dais[] = { { .name = "pcm3168a-dac", + .id = PCM3168A_DAI_DAC, .playback = { .stream_name = "Playback", .channels_min = 1, @@ -636,10 +618,11 @@ static struct snd_soc_dai_driver pcm3168a_dais[] = { .rates = SNDRV_PCM_RATE_8000_192000, .formats = PCM3168A_FORMATS }, - .ops = &pcm3168a_dac_dai_ops + .ops = &pcm3168a_dai_ops }, { .name = "pcm3168a-adc", + .id = PCM3168A_DAI_ADC, .capture = { .stream_name = "Capture", .channels_min = 1, @@ -647,7 +630,7 @@ static struct snd_soc_dai_driver pcm3168a_dais[] = { .rates = SNDRV_PCM_RATE_8000_96000, .formats = PCM3168A_FORMATS }, - .ops = &pcm3168a_adc_dai_ops + .ops = &pcm3168a_dai_ops }, };