ASoC: rockchip: Parse dai links from dts

Refactor rockchip_sound_probe, parse dai links from dts instead of
hard coding them.

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Tested-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jeffy Chen 2017-08-24 12:52:24 +08:00 committed by Mark Brown
parent 72cfb0f20c
commit 0d52954ffe

View File

@ -240,14 +240,42 @@ static const struct snd_soc_ops rockchip_sound_da7219_ops = {
.hw_params = rockchip_sound_da7219_hw_params,
};
static struct snd_soc_card rockchip_sound_card = {
.name = "rk3399-gru-sound",
.owner = THIS_MODULE,
.dapm_widgets = rockchip_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(rockchip_dapm_widgets),
.dapm_routes = rockchip_dapm_routes,
.num_dapm_routes = ARRAY_SIZE(rockchip_dapm_routes),
.controls = rockchip_controls,
.num_controls = ARRAY_SIZE(rockchip_controls),
};
enum {
DAILINK_DA7219,
DAILINK_MAX98357A,
DAILINK_RT5514,
DAILINK_DA7219,
DAILINK_RT5514_DSP,
};
static struct snd_soc_dai_link rockchip_dailinks[] = {
static const char * const dailink_compat[] = {
[DAILINK_DA7219] = "dlg,da7219",
[DAILINK_MAX98357A] = "maxim,max98357a",
[DAILINK_RT5514] = "realtek,rt5514-i2c",
[DAILINK_RT5514_DSP] = "realtek,rt5514-spi",
};
static const struct snd_soc_dai_link rockchip_dais[] = {
[DAILINK_DA7219] = {
.name = "DA7219",
.stream_name = "DA7219 PCM",
.codec_dai_name = "da7219-hifi",
.init = rockchip_sound_da7219_init,
.ops = &rockchip_sound_da7219_ops,
/* set da7219 as slave */
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
},
[DAILINK_MAX98357A] = {
.name = "MAX98357A",
.stream_name = "MAX98357A PCM",
@ -266,16 +294,6 @@ static struct snd_soc_dai_link rockchip_dailinks[] = {
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
},
[DAILINK_DA7219] = {
.name = "DA7219",
.stream_name = "DA7219 PCM",
.codec_dai_name = "da7219-hifi",
.init = rockchip_sound_da7219_init,
.ops = &rockchip_sound_da7219_ops,
/* set da7219 as slave */
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
},
/* RT5514 DSP for voice wakeup via spi bus */
[DAILINK_RT5514_DSP] = {
.name = "RT5514 DSP",
@ -284,42 +302,72 @@ static struct snd_soc_dai_link rockchip_dailinks[] = {
},
};
static struct snd_soc_card rockchip_sound_card = {
.name = "rk3399-gru-sound",
.owner = THIS_MODULE,
.dai_link = rockchip_dailinks,
.num_links = ARRAY_SIZE(rockchip_dailinks),
.dapm_widgets = rockchip_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(rockchip_dapm_widgets),
.dapm_routes = rockchip_dapm_routes,
.num_dapm_routes = ARRAY_SIZE(rockchip_dapm_routes),
.controls = rockchip_controls,
.num_controls = ARRAY_SIZE(rockchip_controls),
};
static int rockchip_sound_codec_node_match(struct device_node *np_codec)
{
int i;
for (i = 0; i < ARRAY_SIZE(dailink_compat); i++) {
if (of_device_is_compatible(np_codec, dailink_compat[i]))
return i;
}
return -1;
}
static int rockchip_sound_of_parse_dais(struct device *dev,
struct snd_soc_card *card)
{
struct device_node *np_cpu;
struct device_node *np_codec;
struct snd_soc_dai_link *dai;
int i, index;
card->dai_link = devm_kzalloc(dev, sizeof(rockchip_dais),
GFP_KERNEL);
if (!card->dai_link)
return -ENOMEM;
np_cpu = of_parse_phandle(dev->of_node, "rockchip,cpu", 0);
card->num_links = 0;
for (i = 0; i < ARRAY_SIZE(rockchip_dais); i++) {
np_codec = of_parse_phandle(dev->of_node,
"rockchip,codec", i);
if (!np_codec)
break;
if (!of_device_is_available(np_codec))
continue;
index = rockchip_sound_codec_node_match(np_codec);
if (index < 0)
continue;
if (!np_cpu) {
dev_err(dev, "Missing 'rockchip,cpu' for %s\n",
rockchip_dais[index].name);
return -EINVAL;
}
dai = &card->dai_link[card->num_links++];
*dai = rockchip_dais[index];
dai->codec_of_node = np_codec;
dai->platform_of_node = np_cpu;
dai->cpu_of_node = np_cpu;
}
return 0;
}
static int rockchip_sound_probe(struct platform_device *pdev)
{
struct snd_soc_card *card = &rockchip_sound_card;
struct device_node *cpu_node;
int i, ret;
int ret;
cpu_node = of_parse_phandle(pdev->dev.of_node, "rockchip,cpu", 0);
if (!cpu_node) {
dev_err(&pdev->dev, "Property 'rockchip,cpu' missing or invalid\n");
return -EINVAL;
}
for (i = 0; i < ARRAY_SIZE(rockchip_dailinks); i++) {
rockchip_dailinks[i].platform_of_node = cpu_node;
rockchip_dailinks[i].cpu_of_node = cpu_node;
rockchip_dailinks[i].codec_of_node =
of_parse_phandle(pdev->dev.of_node, "rockchip,codec", i);
if (!rockchip_dailinks[i].codec_of_node) {
dev_err(&pdev->dev,
"Property[%d] 'rockchip,codec' missing or invalid\n", i);
return -EINVAL;
}
ret = rockchip_sound_of_parse_dais(&pdev->dev, card);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to parse dais: %d\n", ret);
return ret;
}
/* Set DMIC wakeup delay */
@ -332,13 +380,7 @@ static int rockchip_sound_probe(struct platform_device *pdev)
}
card->dev = &pdev->dev;
ret = devm_snd_soc_register_card(&pdev->dev, card);
if (ret)
dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
__func__, ret);
return ret;
return devm_snd_soc_register_card(&pdev->dev, card);
}
static const struct of_device_id rockchip_sound_of_match[] = {