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path: root/sound/soc/sh/rcar/rsrc-card.c
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Diffstat (limited to 'sound/soc/sh/rcar/rsrc-card.c')
-rw-r--r--sound/soc/sh/rcar/rsrc-card.c129
1 files changed, 89 insertions, 40 deletions
diff --git a/sound/soc/sh/rcar/rsrc-card.c b/sound/soc/sh/rcar/rsrc-card.c
index d61db9c38..8a357fdf1 100644
--- a/sound/soc/sh/rcar/rsrc-card.c
+++ b/sound/soc/sh/rcar/rsrc-card.c
@@ -48,8 +48,11 @@ MODULE_DEVICE_TABLE(of, rsrc_card_of_match);
#define DAI_NAME_NUM 32
struct rsrc_card_dai {
- unsigned int fmt;
unsigned int sysclk;
+ unsigned int tx_slot_mask;
+ unsigned int rx_slot_mask;
+ int slots;
+ int slot_width;
struct clk *clk;
char dai_name[DAI_NAME_NUM];
};
@@ -75,7 +78,7 @@ static int rsrc_card_startup(struct snd_pcm_substream *substream)
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct rsrc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card);
struct rsrc_card_dai *dai_props =
- rsrc_priv_to_props(priv, rtd - rtd->card->rtd);
+ rsrc_priv_to_props(priv, rtd->num);
return clk_prepare_enable(dai_props->clk);
}
@@ -85,7 +88,7 @@ static void rsrc_card_shutdown(struct snd_pcm_substream *substream)
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct rsrc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card);
struct rsrc_card_dai *dai_props =
- rsrc_priv_to_props(priv, rtd - rtd->card->rtd);
+ rsrc_priv_to_props(priv, rtd->num);
clk_disable_unprepare(dai_props->clk);
}
@@ -101,7 +104,7 @@ static int rsrc_card_dai_init(struct snd_soc_pcm_runtime *rtd)
struct snd_soc_dai *dai;
struct snd_soc_dai_link *dai_link;
struct rsrc_card_dai *dai_props;
- int num = rtd - rtd->card->rtd;
+ int num = rtd->num;
int ret;
dai_link = rsrc_priv_to_link(priv, num);
@@ -110,18 +113,22 @@ static int rsrc_card_dai_init(struct snd_soc_pcm_runtime *rtd)
rtd->cpu_dai :
rtd->codec_dai;
- if (dai_props->fmt) {
- ret = snd_soc_dai_set_fmt(dai, dai_props->fmt);
+ if (dai_props->sysclk) {
+ ret = snd_soc_dai_set_sysclk(dai, 0, dai_props->sysclk, 0);
if (ret && ret != -ENOTSUPP) {
- dev_err(dai->dev, "set_fmt error\n");
+ dev_err(dai->dev, "set_sysclk error\n");
goto err;
}
}
- if (dai_props->sysclk) {
- ret = snd_soc_dai_set_sysclk(dai, 0, dai_props->sysclk, 0);
+ if (dai_props->slots) {
+ ret = snd_soc_dai_set_tdm_slot(dai,
+ dai_props->tx_slot_mask,
+ dai_props->rx_slot_mask,
+ dai_props->slots,
+ dai_props->slot_width);
if (ret && ret != -ENOTSUPP) {
- dev_err(dai->dev, "set_sysclk error\n");
+ dev_err(dai->dev, "set_tdm_slot error\n");
goto err;
}
}
@@ -148,14 +155,13 @@ static int rsrc_card_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
}
static int rsrc_card_parse_daifmt(struct device_node *node,
- struct device_node *np,
+ struct device_node *codec,
struct rsrc_card_priv *priv,
- int idx, bool is_fe)
+ struct snd_soc_dai_link *dai_link,
+ unsigned int *retfmt)
{
- struct rsrc_card_dai *dai_props = rsrc_priv_to_props(priv, idx);
struct device_node *bitclkmaster = NULL;
struct device_node *framemaster = NULL;
- struct device_node *codec = is_fe ? NULL : np;
unsigned int daifmt;
daifmt = snd_soc_of_parse_daifmt(node, NULL,
@@ -172,11 +178,11 @@ static int rsrc_card_parse_daifmt(struct device_node *node,
daifmt |= (codec == framemaster) ?
SND_SOC_DAIFMT_CBS_CFM : SND_SOC_DAIFMT_CBS_CFS;
- dai_props->fmt = daifmt;
-
of_node_put(bitclkmaster);
of_node_put(framemaster);
+ *retfmt = daifmt;
+
return 0;
}
@@ -198,6 +204,15 @@ static int rsrc_card_parse_links(struct device_node *np,
if (ret)
return ret;
+ /* Parse TDM slot */
+ ret = snd_soc_of_parse_tdm_slot(np,
+ &dai_props->tx_slot_mask,
+ &dai_props->rx_slot_mask,
+ &dai_props->slots,
+ &dai_props->slot_width);
+ if (ret)
+ return ret;
+
if (is_fe) {
/* BE is dummy */
dai_link->codec_of_node = NULL;
@@ -208,7 +223,9 @@ static int rsrc_card_parse_links(struct device_node *np,
dai_link->dynamic = 1;
dai_link->dpcm_merged_format = 1;
dai_link->cpu_of_node = args.np;
- snd_soc_of_get_dai_name(np, &dai_link->cpu_dai_name);
+ ret = snd_soc_of_get_dai_name(np, &dai_link->cpu_dai_name);
+ if (ret < 0)
+ return ret;
/* set dai_name */
snprintf(dai_props->dai_name, DAI_NAME_NUM, "fe.%s",
@@ -240,7 +257,9 @@ static int rsrc_card_parse_links(struct device_node *np,
dai_link->no_pcm = 1;
dai_link->be_hw_params_fixup = rsrc_card_be_hw_params_fixup;
dai_link->codec_of_node = args.np;
- snd_soc_of_get_dai_name(np, &dai_link->codec_dai_name);
+ ret = snd_soc_of_get_dai_name(np, &dai_link->codec_dai_name);
+ if (ret < 0)
+ return ret;
/* additional name prefix */
if (of_data) {
@@ -305,23 +324,16 @@ static int rsrc_card_parse_clk(struct device_node *np,
return 0;
}
-static int rsrc_card_dai_link_of(struct device_node *node,
- struct device_node *np,
- struct rsrc_card_priv *priv,
- int idx)
+static int rsrc_card_dai_sub_link_of(struct device_node *node,
+ struct device_node *np,
+ struct rsrc_card_priv *priv,
+ int idx, bool is_fe)
{
struct device *dev = rsrc_priv_to_dev(priv);
+ struct snd_soc_dai_link *dai_link = rsrc_priv_to_link(priv, idx);
struct rsrc_card_dai *dai_props = rsrc_priv_to_props(priv, idx);
- bool is_fe = false;
int ret;
- if (0 == strcmp(np->name, "cpu"))
- is_fe = true;
-
- ret = rsrc_card_parse_daifmt(node, np, priv, idx, is_fe);
- if (ret < 0)
- return ret;
-
ret = rsrc_card_parse_links(np, priv, idx, is_fe);
if (ret < 0)
return ret;
@@ -332,12 +344,54 @@ static int rsrc_card_dai_link_of(struct device_node *node,
dev_dbg(dev, "\t%s / %04x / %d\n",
dai_props->dai_name,
- dai_props->fmt,
+ dai_link->dai_fmt,
dai_props->sysclk);
return ret;
}
+static int rsrc_card_dai_link_of(struct device_node *node,
+ struct rsrc_card_priv *priv)
+{
+ struct snd_soc_dai_link *dai_link;
+ struct device_node *np;
+ unsigned int daifmt = 0;
+ int ret, i;
+ bool is_fe;
+
+ /* find 1st codec */
+ i = 0;
+ for_each_child_of_node(node, np) {
+ dai_link = rsrc_priv_to_link(priv, i);
+
+ if (strcmp(np->name, "codec") == 0) {
+ ret = rsrc_card_parse_daifmt(node, np, priv,
+ dai_link, &daifmt);
+ if (ret < 0)
+ return ret;
+ break;
+ }
+ i++;
+ }
+
+ i = 0;
+ for_each_child_of_node(node, np) {
+ dai_link = rsrc_priv_to_link(priv, i);
+ dai_link->dai_fmt = daifmt;
+
+ is_fe = false;
+ if (strcmp(np->name, "cpu") == 0)
+ is_fe = true;
+
+ ret = rsrc_card_dai_sub_link_of(node, np, priv, i, is_fe);
+ if (ret < 0)
+ return ret;
+ i++;
+ }
+
+ return 0;
+}
+
static int rsrc_card_parse_of(struct device_node *node,
struct rsrc_card_priv *priv,
struct device *dev)
@@ -345,9 +399,8 @@ static int rsrc_card_parse_of(struct device_node *node,
const struct rsrc_card_of_data *of_data = rsrc_dev_to_of_data(dev);
struct rsrc_card_dai *props;
struct snd_soc_dai_link *links;
- struct device_node *np;
int ret;
- int i, num;
+ int num;
if (!node)
return -EINVAL;
@@ -388,13 +441,9 @@ static int rsrc_card_parse_of(struct device_node *node,
priv->snd_card.name ? priv->snd_card.name : "",
priv->convert_rate);
- i = 0;
- for_each_child_of_node(node, np) {
- ret = rsrc_card_dai_link_of(node, np, priv, i);
- if (ret < 0)
- return ret;
- i++;
- }
+ ret = rsrc_card_dai_link_of(node, priv);
+ if (ret < 0)
+ return ret;
if (!priv->snd_card.name)
priv->snd_card.name = priv->snd_card.dai_link->name;
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-09 03:33:08 +0000