ASoC: Intel: sof_rt1308: move rt1308 code to common module

Move the code related to rt1308 dai link to the realtek common module.
It creates a clean base to add more amplifier support to this machine
driver in the future.

Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Brent Lu <brent.lu@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20220301194903.60859-6-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 98 insertions, 0 deletions

diff --git a/sound/soc/intel/boards/sof_realtek_common.c b/sound/soc/intel/boards/sof_realtek_common.c
index 669e44c73c17..a2bcbeee0216 100644
--- a/sound/soc/intel/boards/sof_realtek_common.c
+++ b/sound/soc/intel/boards/sof_realtek_common.c
@@ -10,9 +10,11 @@
 #include <sound/soc-acpi.h>
 #include <sound/soc-dai.h>
 #include <sound/soc-dapm.h>
+#include <sound/sof.h>
 #include <uapi/sound/asound.h>
 #include "../../codecs/rt1011.h"
 #include "../../codecs/rt1015.h"
+#include "../../codecs/rt1308.h"
 #include "sof_realtek_common.h"
 
 /*
@@ -361,5 +363,101 @@ void sof_rt1015_dai_link(struct snd_soc_dai_link *link, unsigned int fs)
 }
 EXPORT_SYMBOL_NS(sof_rt1015_dai_link, SND_SOC_INTEL_SOF_REALTEK_COMMON);
 
+/*
+ * RT1308 audio amplifier
+ */
+static const struct snd_kcontrol_new rt1308_kcontrols[] = {
+	SOC_DAPM_PIN_SWITCH("Speakers"),
+};
+
+static const struct snd_soc_dapm_widget rt1308_dapm_widgets[] = {
+	SND_SOC_DAPM_SPK("Speakers", NULL),
+};
+
+static const struct snd_soc_dapm_route rt1308_dapm_routes[] = {
+	/* speaker */
+	{"Speakers", NULL, "SPOL"},
+	{"Speakers", NULL, "SPOR"},
+};
+
+static struct snd_soc_dai_link_component rt1308_components[] = {
+	{
+		.name = RT1308_DEV0_NAME,
+		.dai_name = RT1308_CODEC_DAI,
+	}
+};
+
+static int rt1308_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_card *card = rtd->card;
+	int ret;
+
+	ret = snd_soc_dapm_new_controls(&card->dapm, rt1308_dapm_widgets,
+					ARRAY_SIZE(rt1308_dapm_widgets));
+	if (ret) {
+		dev_err(rtd->dev, "fail to add dapm controls, ret %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_add_card_controls(card, rt1308_kcontrols,
+					ARRAY_SIZE(rt1308_kcontrols));
+	if (ret) {
+		dev_err(rtd->dev, "fail to add card controls, ret %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dapm_add_routes(&card->dapm, rt1308_dapm_routes,
+				      ARRAY_SIZE(rt1308_dapm_routes));
+
+	if (ret)
+		dev_err(rtd->dev, "fail to add dapm routes, ret %d\n", ret);
+
+	return ret;
+}
+
+static int rt1308_hw_params(struct snd_pcm_substream *substream,
+			    struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_card *card = rtd->card;
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+	int clk_id, clk_freq, pll_out;
+	int ret;
+
+	clk_id = RT1308_PLL_S_MCLK;
+	/* get the tplg configured mclk. */
+	clk_freq = sof_dai_get_mclk(rtd);
+
+	pll_out = params_rate(params) * 512;
+
+	/* Set rt1308 pll */
+	ret = snd_soc_dai_set_pll(codec_dai, 0, clk_id, clk_freq, pll_out);
+	if (ret < 0) {
+		dev_err(card->dev, "Failed to set RT1308 PLL: %d\n", ret);
+		return ret;
+	}
+
+	/* Set rt1308 sysclk */
+	ret = snd_soc_dai_set_sysclk(codec_dai, RT1308_FS_SYS_S_PLL, pll_out,
+				     SND_SOC_CLOCK_IN);
+	if (ret < 0)
+		dev_err(card->dev, "Failed to set RT1308 SYSCLK: %d\n", ret);
+
+	return ret;
+}
+
+static const struct snd_soc_ops rt1308_ops = {
+	.hw_params = rt1308_hw_params,
+};
+
+void sof_rt1308_dai_link(struct snd_soc_dai_link *link)
+{
+	link->codecs = rt1308_components;
+	link->num_codecs = ARRAY_SIZE(rt1308_components);
+	link->init = rt1308_init;
+	link->ops = &rt1308_ops;
+}
+EXPORT_SYMBOL_NS(sof_rt1308_dai_link, SND_SOC_INTEL_SOF_REALTEK_COMMON);
+
 MODULE_DESCRIPTION("ASoC Intel SOF Realtek helpers");
 MODULE_LICENSE("GPL");