From: Chancel Liu chancel.liu@nxp.com

CS42888 codec provides 4 multi-bit ADC and 8 multi-bit DAC. Add support for this codec in imx-card ASoC machine driver.

Signed-off-by: Chancel Liu chancel.liu@nxp.com Signed-off-by: Shengjiu Wang shengjiu.wang@nxp.com --- sound/soc/fsl/imx-card.c | 54 ++++++++++++++++++++++++++++++++++------ 1 file changed, 47 insertions(+), 7 deletions(-)

diff --git a/sound/soc/fsl/imx-card.c b/sound/soc/fsl/imx-card.c index 2f3dbbd15791..306168b164d3 100644 --- a/sound/soc/fsl/imx-card.c +++ b/sound/soc/fsl/imx-card.c @@ -25,6 +25,7 @@ enum codec_type { CODEC_AK4458, CODEC_AK4497, CODEC_AK5552, + CODEC_CS42888, };

/* @@ -185,6 +186,16 @@ static struct imx_akcodec_tdm_fs_mul ak5558_tdm_fs_mul[] = { { .min = 512, .max = 512, .mul = 1024 }, };

+static struct imx_akcodec_fs_mul cs42888_fs_mul[] = { + { .rmin = 8000, .rmax = 48000, .wmin = 256, .wmax = 1024, }, + { .rmin = 64000, .rmax = 96000, .wmin = 128, .wmax = 512, }, + { .rmin = 176400, .rmax = 192000, .wmin = 64, .wmax = 256, }, +}; + +static struct imx_akcodec_tdm_fs_mul cs42888_tdm_fs_mul[] = { + { .min = 256, .max = 256, .mul = 256 }, +}; + static const u32 akcodec_rates[] = { 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000, 705600, 768000, @@ -210,6 +221,14 @@ static const u32 ak5558_tdm_channels[] = { 1, 2, 3, 4, 5, 6, 7, 8, };

+static const u32 cs42888_channels[] = { + 1, 2, 4, 6, 8, +}; + +static const u32 cs42888_tdm_channels[] = { + 1, 2, 3, 4, 5, 6, 7, 8, +}; + static bool format_is_dsd(struct snd_pcm_hw_params *params) { snd_pcm_format_t format = params_format(params); @@ -241,6 +260,7 @@ static bool codec_is_akcodec(unsigned int type) case CODEC_AK4497: case CODEC_AK5558: case CODEC_AK5552: + case CODEC_CS42888: return true; default: break; @@ -340,13 +360,15 @@ static int imx_aif_hw_params(struct snd_pcm_substream *substream, return ret; }

- ret = snd_soc_dai_set_tdm_slot(codec_dai, - BIT(slots) - 1, - BIT(slots) - 1, - slots, slot_width); - if (ret && ret != -ENOTSUPP) { - dev_err(dev, "failed to set codec dai[%d] tdm slot: %d\n", i, ret); - return ret; + if (format_is_tdm(link_data)) { + ret = snd_soc_dai_set_tdm_slot(codec_dai, + BIT(slots) - 1, + BIT(slots) - 1, + slots, slot_width); + if (ret && ret != -ENOTSUPP) { + dev_err(dev, "failed to set codec dai[%d] tdm slot: %d\n", i, ret); + return ret; + } } }

@@ -609,6 +631,8 @@ static int imx_card_parse_of(struct imx_card_data *data) plat_data->type = CODEC_AK5558; else if (!strcmp(link->codecs->dai_name, "ak5552-aif")) plat_data->type = CODEC_AK5552; + else if (!strcmp(link->codecs->dai_name, "cs42888")) + plat_data->type = CODEC_CS42888;

} else { link->codecs = &snd_soc_dummy_dlc; @@ -766,6 +790,12 @@ static int imx_card_probe(struct platform_device *pdev) data->dapm_routes[i].sink = "ASRC-Capture"; data->dapm_routes[i].source = "CPU-Capture"; break; + case CODEC_CS42888: + data->dapm_routes[0].sink = "Playback"; + data->dapm_routes[0].source = "CPU-Playback"; + data->dapm_routes[1].sink = "CPU-Capture"; + data->dapm_routes[1].source = "Capture"; + break; default: break; } @@ -805,6 +835,16 @@ static int imx_card_probe(struct platform_device *pdev) plat_data->support_tdm_channels = ak5558_tdm_channels; plat_data->num_tdm_channels = ARRAY_SIZE(ak5558_tdm_channels); break; + case CODEC_CS42888: + plat_data->fs_mul = cs42888_fs_mul; + plat_data->num_fs_mul = ARRAY_SIZE(cs42888_fs_mul); + plat_data->tdm_fs_mul = cs42888_tdm_fs_mul; + plat_data->num_tdm_fs_mul = ARRAY_SIZE(cs42888_tdm_fs_mul); + plat_data->support_channels = cs42888_channels; + plat_data->num_channels = ARRAY_SIZE(cs42888_channels); + plat_data->support_tdm_channels = cs42888_tdm_channels; + plat_data->num_tdm_channels = ARRAY_SIZE(cs42888_tdm_channels); + break; default: break; }