ASoC: imx-card: Add CS42888 support

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>
Reviewed-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Link: https://patch.msgid.link/1728460004-364-3-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/fsl/imx-card.c b/sound/soc/fsl/imx-card.c
index 2f3dbbd157914e505ece16f2ea7a954cb71a85f6..306168b164d397c774bb89f98735fe859ec05633 100644 (file)
--- 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;
                }