static int simple_dai_link_of(struct simple_priv *priv,
struct device_node *np,
struct device_node *codec,
struct link_info *li,
bool is_top)
{
struct device *dev = simple_priv_to_dev(priv);
struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, li->link);
struct simple_dai_props *dai_props = simple_priv_to_props(priv, li->link);
struct asoc_simple_dai *cpu_dai;
struct asoc_simple_dai *codec_dai;
struct device_node *top = dev->of_node;
struct device_node *cpu = NULL;
struct device_node *node = NULL;
struct device_node *plat = NULL;
char prop[128];
char *prefix = "";
int ret, single_cpu;
/*
* |CPU |Codec : turn
* CPU |Pass |return
* Codec |return|return
* np
*/
if (!li->cpu || np == codec)
return 0;
cpu = np;
node = of_get_parent(np);
li->link++;
dev_dbg(dev, "link_of (%pOF)\n", node);
/* For single DAI link & old style of DT node */
if (is_top)
prefix = PREFIX;
snprintf(prop, sizeof(prop), "%splat", prefix);
plat = of_get_child_by_name(node, prop);
cpu_dai =
dai_props->cpu_dai = &priv->dais[li->dais++];
codec_dai =
dai_props->codec_dai = &priv->dais[li->dais++];
ret = asoc_simple_card_parse_daifmt(dev, node, codec,
prefix, &dai_link->dai_fmt);
if (ret < 0)
goto dai_link_of_err;
snprintf(prop, sizeof(prop), "%smclk-fs", prefix);
of_property_read_u32(top, PREFIX "mclk-fs", &dai_props->mclk_fs);
of_property_read_u32(node, prop, &dai_props->mclk_fs);
of_property_read_u32(cpu, prop, &dai_props->mclk_fs);
of_property_read_u32(codec, prop, &dai_props->mclk_fs);
ret = asoc_simple_card_parse_cpu(cpu, dai_link,
DAI, CELL, &single_cpu);
if (ret < 0)
goto dai_link_of_err;
ret = asoc_simple_card_parse_codec(codec, dai_link, DAI, CELL);
if (ret < 0)
goto dai_link_of_err;
ret = asoc_simple_card_parse_platform(plat, dai_link, DAI, CELL);
if (ret < 0)
goto dai_link_of_err;
ret = asoc_simple_card_of_parse_tdm(cpu, cpu_dai);
if (ret < 0)
goto dai_link_of_err;
ret = asoc_simple_card_of_parse_tdm(codec, codec_dai);
if (ret < 0)
goto dai_link_of_err;
ret = asoc_simple_card_parse_clk_cpu(dev, cpu, dai_link, cpu_dai);
if (ret < 0)
goto dai_link_of_err;
ret = asoc_simple_card_parse_clk_codec(dev, codec, dai_link, codec_dai);
if (ret < 0)
goto dai_link_of_err;
ret = asoc_simple_card_set_dailink_name(dev, dai_link,
"%s-%s",
dai_link->cpu_dai_name,
dai_link->codecs->dai_name);
if (ret < 0)
goto dai_link_of_err;
dai_link->ops = &simple_ops;
dai_link->init = simple_dai_init;
asoc_simple_card_canonicalize_cpu(dai_link, single_cpu);
asoc_simple_card_canonicalize_platform(dai_link);
dai_link_of_err:
of_node_put(plat);
of_node_put(node);
return ret;
}
static int asoc_simple_card_dai_link_of(struct device_node *node,
struct simple_card_data *priv,
int idx,
bool is_top_level_node)
{
struct device *dev = simple_priv_to_dev(priv);
struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, idx);
struct simple_dai_props *dai_props = simple_priv_to_props(priv, idx);
struct asoc_simple_dai *cpu_dai = &dai_props->cpu_dai;
struct asoc_simple_dai *codec_dai = &dai_props->codec_dai;
struct device_node *cpu = NULL;
struct device_node *plat = NULL;
struct device_node *codec = NULL;
char prop[128];
char *prefix = "";
int ret, single_cpu;
/* For single DAI link & old style of DT node */
if (is_top_level_node)
prefix = PREFIX;
snprintf(prop, sizeof(prop), "%scpu", prefix);
cpu = of_get_child_by_name(node, prop);
if (!cpu) {
ret = -EINVAL;
dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop);
goto dai_link_of_err;
}
snprintf(prop, sizeof(prop), "%splat", prefix);
plat = of_get_child_by_name(node, prop);
snprintf(prop, sizeof(prop), "%scodec", prefix);
codec = of_get_child_by_name(node, prop);
if (!codec) {
ret = -EINVAL;
dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop);
goto dai_link_of_err;
}
ret = asoc_simple_card_parse_daifmt(dev, node, codec,
prefix, &dai_link->dai_fmt);
if (ret < 0)
goto dai_link_of_err;
of_property_read_u32(node, "mclk-fs", &dai_props->mclk_fs);
ret = asoc_simple_card_parse_cpu(cpu, dai_link,
DAI, CELL, &single_cpu);
if (ret < 0)
goto dai_link_of_err;
ret = asoc_simple_card_parse_codec(codec, dai_link, DAI, CELL);
if (ret < 0)
goto dai_link_of_err;
ret = asoc_simple_card_parse_platform(plat, dai_link, DAI, CELL);
if (ret < 0)
goto dai_link_of_err;
ret = asoc_simple_card_of_parse_tdm(cpu, cpu_dai);
if (ret < 0)
goto dai_link_of_err;
ret = asoc_simple_card_of_parse_tdm(codec, codec_dai);
if (ret < 0)
goto dai_link_of_err;
ret = asoc_simple_card_parse_clk_cpu(dev, cpu, dai_link, cpu_dai);
if (ret < 0)
goto dai_link_of_err;
ret = asoc_simple_card_parse_clk_codec(dev, codec, dai_link, codec_dai);
if (ret < 0)
goto dai_link_of_err;
ret = asoc_simple_card_canonicalize_dailink(dai_link);
if (ret < 0)
goto dai_link_of_err;
ret = asoc_simple_card_set_dailink_name(dev, dai_link,
"%s-%s",
dai_link->cpu_dai_name,
dai_link->codec_dai_name);
if (ret < 0)
goto dai_link_of_err;
dai_link->ops = &asoc_simple_card_ops;
dai_link->init = asoc_simple_card_dai_init;
asoc_simple_card_canonicalize_cpu(dai_link, single_cpu);
dai_link_of_err:
of_node_put(cpu);
of_node_put(codec);
return ret;
}
