#define simple_priv_to_link(priv, i) ((priv)->snd_card.dai_link + i)
#define simple_priv_to_props(priv, i) ((priv)->dai_props + i)
+#define DAI "sound-dai"
+#define CELL "#sound-dai-cells"
#define PREFIX "simple-audio-card,"
#define asoc_simple_card_init_hp(card, sjack, prefix)\
.hw_params = asoc_simple_card_hw_params,
};
-static int __asoc_simple_card_dai_init(struct snd_soc_dai *dai,
- struct asoc_simple_dai *set)
-{
- int ret;
-
- if (set->sysclk) {
- ret = snd_soc_dai_set_sysclk(dai, 0, set->sysclk, 0);
- if (ret && ret != -ENOTSUPP) {
- dev_err(dai->dev, "simple-card: set_sysclk error\n");
- goto err;
- }
- }
-
- if (set->slots) {
- ret = snd_soc_dai_set_tdm_slot(dai,
- set->tx_slot_mask,
- set->rx_slot_mask,
- set->slots,
- set->slot_width);
- if (ret && ret != -ENOTSUPP) {
- dev_err(dai->dev, "simple-card: set_tdm_slot error\n");
- goto err;
- }
- }
-
- ret = 0;
-
-err:
- return ret;
-}
-
static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd)
{
struct simple_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_dai *codec = rtd->codec_dai;
struct snd_soc_dai *cpu = rtd->cpu_dai;
- struct simple_dai_props *dai_props;
+ struct simple_dai_props *dai_props = &priv->dai_props[rtd->num];
int ret;
- dai_props = &priv->dai_props[rtd->num];
- ret = __asoc_simple_card_dai_init(codec, &dai_props->codec_dai);
+ ret = asoc_simple_card_init_dai(codec, &dai_props->codec_dai);
if (ret < 0)
return ret;
- ret = __asoc_simple_card_dai_init(cpu, &dai_props->cpu_dai);
+ ret = asoc_simple_card_init_dai(cpu, &dai_props->cpu_dai);
if (ret < 0)
return ret;
return 0;
}
-static int
-asoc_simple_card_sub_parse_of(struct device_node *np,
- struct asoc_simple_dai *dai,
- struct device_node **p_node,
- const char **name,
- int *args_count)
-{
- struct of_phandle_args args;
- struct clk *clk;
- u32 val;
- int ret;
-
- if (!np)
- return 0;
-
- /*
- * Get node via "sound-dai = <&phandle port>"
- * it will be used as xxx_of_node on soc_bind_dai_link()
- */
- ret = of_parse_phandle_with_args(np, "sound-dai",
- "#sound-dai-cells", 0, &args);
- if (ret)
- return ret;
-
- *p_node = args.np;
-
- if (args_count)
- *args_count = args.args_count;
-
- /* Get dai->name */
- if (name) {
- ret = snd_soc_of_get_dai_name(np, name);
- if (ret < 0)
- return ret;
- }
-
- if (!dai)
- return 0;
-
- /* Parse TDM slot */
- ret = snd_soc_of_parse_tdm_slot(np, &dai->tx_slot_mask,
- &dai->rx_slot_mask,
- &dai->slots, &dai->slot_width);
- if (ret)
- return ret;
-
- /*
- * Parse dai->sysclk come from "clocks = <&xxx>"
- * (if system has common clock)
- * or "system-clock-frequency = <xxx>"
- * or device's module clock.
- */
- if (of_property_read_bool(np, "clocks")) {
- clk = of_clk_get(np, 0);
- if (IS_ERR(clk)) {
- ret = PTR_ERR(clk);
- return ret;
- }
-
- dai->sysclk = clk_get_rate(clk);
- dai->clk = clk;
- } else if (!of_property_read_u32(np, "system-clock-frequency", &val)) {
- dai->sysclk = val;
- } else {
- clk = of_clk_get(args.np, 0);
- if (!IS_ERR(clk))
- dai->sysclk = clk_get_rate(clk);
- }
-
- return 0;
-}
-
static int asoc_simple_card_dai_link_of(struct device_node *node,
struct simple_card_data *priv,
int idx,
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, cpu_args;
+ int ret, single_cpu;
u32 val;
/* For single DAI link & old style of DT node */
if (!of_property_read_u32(node, "mclk-fs", &val))
dai_props->mclk_fs = val;
- ret = asoc_simple_card_sub_parse_of(cpu, &dai_props->cpu_dai,
- &dai_link->cpu_of_node,
- &dai_link->cpu_dai_name,
- &cpu_args);
+ 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_sub_parse_of(codec, &dai_props->codec_dai,
- &dai_link->codec_of_node,
- &dai_link->codec_dai_name, NULL);
+ ret = asoc_simple_card_parse_codec(codec, dai_link, DAI, CELL);
if (ret < 0)
goto dai_link_of_err;
- ret = asoc_simple_card_sub_parse_of(plat, NULL,
- &dai_link->platform_of_node,
- NULL, NULL);
+ ret = asoc_simple_card_parse_platform(plat, dai_link, DAI, CELL);
if (ret < 0)
goto dai_link_of_err;
- if (!dai_link->cpu_dai_name || !dai_link->codec_dai_name) {
- ret = -EINVAL;
+ ret = snd_soc_of_parse_tdm_slot(cpu, &cpu_dai->tx_slot_mask,
+ &cpu_dai->rx_slot_mask,
+ &cpu_dai->slots,
+ &cpu_dai->slot_width);
+ if (ret < 0)
+ goto dai_link_of_err;
+
+ ret = snd_soc_of_parse_tdm_slot(codec, &codec_dai->tx_slot_mask,
+ &codec_dai->rx_slot_mask,
+ &codec_dai->slots,
+ &codec_dai->slot_width);
+ if (ret < 0)
+ goto dai_link_of_err;
+
+ ret = asoc_simple_card_parse_clk_cpu(cpu, dai_link, cpu_dai);
+ if (ret < 0)
goto dai_link_of_err;
- }
- /* Assumes platform == cpu */
- if (!dai_link->platform_of_node)
- dai_link->platform_of_node = dai_link->cpu_of_node;
+ ret = asoc_simple_card_parse_clk_codec(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->codec_dai_name,
dai_props->codec_dai.sysclk);
- /*
- * In soc_bind_dai_link() will check cpu name after
- * of_node matching if dai_link has cpu_dai_name.
- * but, it will never match if name was created by
- * fmt_single_name() remove cpu_dai_name if cpu_args
- * was 0. See:
- * fmt_single_name()
- * fmt_multiple_name()
- */
- if (!cpu_args)
- dai_link->cpu_dai_name = NULL;
+ asoc_simple_card_canonicalize_cpu(dai_link, single_cpu);
dai_link_of_err:
of_node_put(cpu);
return 0;
}
-/* Decrease the reference count of the device nodes */
-static int asoc_simple_card_unref(struct snd_soc_card *card)
-{
- struct snd_soc_dai_link *dai_link;
- int num_links;
-
- for (num_links = 0, dai_link = card->dai_link;
- num_links < card->num_links;
- num_links++, dai_link++) {
- of_node_put(dai_link->cpu_of_node);
- of_node_put(dai_link->codec_of_node);
- }
- return 0;
-}
-
static int asoc_simple_card_probe(struct platform_device *pdev)
{
struct simple_card_data *priv;
return ret;
err:
- asoc_simple_card_unref(&priv->snd_card);
+ asoc_simple_card_clean_reference(&priv->snd_card);
return ret;
}
asoc_simple_card_remove_jack(&priv->hp_jack);
asoc_simple_card_remove_jack(&priv->mic_jack);
- return asoc_simple_card_unref(card);
+ return asoc_simple_card_clean_reference(card);
}
static const struct of_device_id asoc_simple_of_match[] = {
projects / cascardo / linux.git / blobdiff