summaryrefslogtreecommitdiff
path: root/sound/soc/fsl/imx-audmix.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/fsl/imx-audmix.c')
-rw-r--r--sound/soc/fsl/imx-audmix.c111
1 files changed, 46 insertions, 65 deletions
diff --git a/sound/soc/fsl/imx-audmix.c b/sound/soc/fsl/imx-audmix.c
index 2aeb18397bcb..dac5d4ddacd6 100644
--- a/sound/soc/fsl/imx-audmix.c
+++ b/sound/soc/fsl/imx-audmix.c
@@ -23,7 +23,6 @@ struct imx_audmix {
struct snd_soc_card card;
struct platform_device *audmix_pdev;
struct platform_device *out_pdev;
- struct clk *cpu_mclk;
int num_dai;
struct snd_soc_dai_link *dai;
int num_dai_conf;
@@ -32,34 +31,11 @@ struct imx_audmix {
struct snd_soc_dapm_route *dapm_routes;
};
-static const u32 imx_audmix_rates[] = {
- 8000, 12000, 16000, 24000, 32000, 48000, 64000, 96000,
-};
-
-static const struct snd_pcm_hw_constraint_list imx_audmix_rate_constraints = {
- .count = ARRAY_SIZE(imx_audmix_rates),
- .list = imx_audmix_rates,
-};
-
static int imx_audmix_fe_startup(struct snd_pcm_substream *substream)
{
- struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
- struct imx_audmix *priv = snd_soc_card_get_drvdata(rtd->card);
struct snd_pcm_runtime *runtime = substream->runtime;
- struct device *dev = rtd->card->dev;
- unsigned long clk_rate = clk_get_rate(priv->cpu_mclk);
int ret;
- if (clk_rate % 24576000 == 0) {
- ret = snd_pcm_hw_constraint_list(runtime, 0,
- SNDRV_PCM_HW_PARAM_RATE,
- &imx_audmix_rate_constraints);
- if (ret < 0)
- return ret;
- } else {
- dev_warn(dev, "mclk may be not supported %lu\n", clk_rate);
- }
-
ret = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_CHANNELS,
1, 8);
if (ret < 0)
@@ -140,6 +116,13 @@ 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", "SAI-Capture"},
+ {"SAI-Playback", "SAI-Playback", "AUDMIX-Capture-0"},
+};
+
static int imx_audmix_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
@@ -150,7 +133,7 @@ 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 +166,7 @@ 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 +180,7 @@ 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 +195,12 @@ 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 +214,14 @@ 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
@@ -252,25 +234,23 @@ 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].capture_only = 1;
+ else
+ priv->dai[i].playback_only = 1;
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)
+ if (!be_name)
return -ENOMEM;
priv->dai[num_dai + i].cpus = &dlc[1];
@@ -283,25 +263,33 @@ static int imx_audmix_probe(struct platform_device *pdev)
priv->dai[num_dai + i].cpus->of_node = audmix_np;
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].capture_only = 1;
+ else
+ priv->dai[num_dai + i].playback_only = 1;
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);
@@ -311,13 +299,6 @@ static int imx_audmix_probe(struct platform_device *pdev)
}
put_device(&cpu_pdev->dev);
- priv->cpu_mclk = devm_clk_get(&cpu_pdev->dev, "mclk1");
- if (IS_ERR(priv->cpu_mclk)) {
- ret = PTR_ERR(priv->cpu_mclk);
- dev_err(&cpu_pdev->dev, "failed to get DAI mclk1: %d\n", ret);
- return ret;
- }
-
priv->audmix_pdev = audmix_pdev;
priv->out_pdev = cpu_pdev;
generated by cgit (git 2.34.1) at 2025-07-23 22:16:50 +0000