There will be three devices for this sound card, hw:x,0 is the playback device for one SAI, hw:x,1 is the playback device for another SAI, hw:x,2 is the capture device for audmix output. then capture device and playback device can be configured with different master/slave mode.
Signed-off-by: Shengjiu Wang shengjiu.wang@nxp.com --- sound/soc/fsl/imx-audmix.c | 79 ++++++++++++++++++++++---------------- 1 file changed, 45 insertions(+), 34 deletions(-)
diff --git a/sound/soc/fsl/imx-audmix.c b/sound/soc/fsl/imx-audmix.c index 2aeb18397bcb..6fbcf33fd0de 100644 --- a/sound/soc/fsl/imx-audmix.c +++ b/sound/soc/fsl/imx-audmix.c @@ -140,6 +140,13 @@ static const struct snd_soc_ops imx_audmix_be_ops = { .hw_params = imx_audmix_be_hw_params, };
+static const char *name[][3] = { + {"HiFi-AUDMIX-FE-0", "HiFi-AUDMIX-FE-1", "HiFi-AUDMIX-FE-2"}, + {"sai-tx", "sai-tx", "sai-rx"}, + {"AUDMIX-Playback-0", "AUDMIX-Playback-1", "CPU-Capture"}, + {"CPU-Playback", "CPU-Playback", "AUDMIX-Capture-0"}, +}; + static int imx_audmix_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; @@ -150,7 +157,7 @@ static int imx_audmix_probe(struct platform_device *pdev) struct imx_audmix *priv; int i, num_dai, ret; const char *fe_name_pref = "HiFi-AUDMIX-FE-"; - char *be_name, *be_pb, *be_cp, *dai_name, *capture_dai_name; + char *be_name, *dai_name;
if (pdev->dev.parent) { audmix_np = pdev->dev.parent->of_node; @@ -183,6 +190,7 @@ static int imx_audmix_probe(struct platform_device *pdev) if (!priv) return -ENOMEM;
+ num_dai += 1; priv->num_dai = 2 * num_dai; priv->dai = devm_kcalloc(&pdev->dev, priv->num_dai, sizeof(struct snd_soc_dai_link), GFP_KERNEL); @@ -196,7 +204,7 @@ static int imx_audmix_probe(struct platform_device *pdev) if (!priv->dai_conf) return -ENOMEM;
- priv->num_dapm_routes = 3 * num_dai; + priv->num_dapm_routes = num_dai; priv->dapm_routes = devm_kcalloc(&pdev->dev, priv->num_dapm_routes, sizeof(struct snd_soc_dapm_route), GFP_KERNEL); @@ -211,8 +219,12 @@ static int imx_audmix_probe(struct platform_device *pdev) if (!dlc) return -ENOMEM;
- ret = of_parse_phandle_with_args(audmix_np, "dais", NULL, i, - &args); + if (i == num_dai - 1) + ret = of_parse_phandle_with_args(audmix_np, "dais", NULL, 0, + &args); + else + ret = of_parse_phandle_with_args(audmix_np, "dais", NULL, i, + &args); if (ret < 0) { dev_err(&pdev->dev, "of_parse_phandle_with_args failed\n"); return ret; @@ -226,20 +238,14 @@ static int imx_audmix_probe(struct platform_device *pdev) put_device(&cpu_pdev->dev);
dai_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s%s", - fe_name_pref, args.np->full_name + 1); + fe_name_pref, args.np->full_name); if (!dai_name) return -ENOMEM;
dev_info(pdev->dev.parent, "DAI FE name:%s\n", dai_name);
- if (i == 0) { + if (i == num_dai - 1) out_cpu_np = args.np; - capture_dai_name = - devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s %s", - dai_name, "CPU-Capture"); - if (!capture_dai_name) - return -ENOMEM; - }
/* * CPU == Platform @@ -252,27 +258,23 @@ static int imx_audmix_probe(struct platform_device *pdev) priv->dai[i].num_cpus = 1; priv->dai[i].num_codecs = 1; priv->dai[i].num_platforms = 1; - - priv->dai[i].name = dai_name; + priv->dai[i].name = name[0][i]; priv->dai[i].stream_name = "HiFi-AUDMIX-FE"; priv->dai[i].cpus->of_node = args.np; - priv->dai[i].cpus->dai_name = dev_name(&cpu_pdev->dev); + priv->dai[i].cpus->dai_name = name[1][i]; + priv->dai[i].dynamic = 1; priv->dai[i].dpcm_playback = 1; - priv->dai[i].dpcm_capture = (i == 0 ? 1 : 0); + if (i == num_dai - 1) { + priv->dai[i].dpcm_capture = 1; + priv->dai[i].dpcm_playback = 0; + } priv->dai[i].ignore_pmdown_time = 1; priv->dai[i].ops = &imx_audmix_fe_ops;
/* Add AUDMIX Backend */ be_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "audmix-%d", i); - be_pb = devm_kasprintf(&pdev->dev, GFP_KERNEL, - "AUDMIX-Playback-%d", i); - be_cp = devm_kasprintf(&pdev->dev, GFP_KERNEL, - "AUDMIX-Capture-%d", i); - if (!be_name || !be_pb || !be_cp) - return -ENOMEM; - priv->dai[num_dai + i].cpus = &dlc[1]; priv->dai[num_dai + i].codecs = &snd_soc_dummy_dlc;
@@ -284,24 +286,33 @@ static int imx_audmix_probe(struct platform_device *pdev) priv->dai[num_dai + i].cpus->dai_name = be_name; priv->dai[num_dai + i].no_pcm = 1; priv->dai[num_dai + i].dpcm_playback = 1; - priv->dai[num_dai + i].dpcm_capture = 1; + if (i == num_dai - 1) { + priv->dai[num_dai + i].dpcm_capture = 1; + priv->dai[num_dai + i].dpcm_playback = 0; + } priv->dai[num_dai + i].ignore_pmdown_time = 1; priv->dai[num_dai + i].ops = &imx_audmix_be_ops;
priv->dai_conf[i].dlc.of_node = args.np; priv->dai_conf[i].name_prefix = dai_name;
- priv->dapm_routes[i].source = - devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s %s", - dai_name, "CPU-Playback"); - if (!priv->dapm_routes[i].source) - return -ENOMEM; + if (i == num_dai - 1) { + priv->dapm_routes[i].sink = + devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s %s", + dai_name, name[2][i]); + if (!priv->dapm_routes[i].sink) + return -ENOMEM;
- priv->dapm_routes[i].sink = be_pb; - priv->dapm_routes[num_dai + i].source = be_pb; - priv->dapm_routes[num_dai + i].sink = be_cp; - priv->dapm_routes[2 * num_dai + i].source = be_cp; - priv->dapm_routes[2 * num_dai + i].sink = capture_dai_name; + priv->dapm_routes[i].source = name[3][i]; + } else { + priv->dapm_routes[i].source = + devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s %s", + dai_name, name[3][i]); + if (!priv->dapm_routes[i].source) + return -ENOMEM; + + priv->dapm_routes[i].sink = name[2][i]; + } }
cpu_pdev = of_find_device_by_node(out_cpu_np);