[PATCH 3/3] ASoC: mediatek: Add machine driver for rt5650 rt5676 codec

Koro Chen
2015-06-10T14:24:36Z

This is the DPCM based machine driver with rt5650 and rt5676

Signed-off-by: Koro Chen <koro.chen@mediatek.com>
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
---
.../bindings/sound/mt8173-rt5650-rt5676.txt | 15 ++
sound/soc/mediatek/Kconfig | 12 +
sound/soc/mediatek/Makefile | 1 +
sound/soc/mediatek/mt8173-rt5650-rt5676.c | 300 +++++++++++++++++++++
4 files changed, 328 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt
create mode 100644 sound/soc/mediatek/mt8173-rt5650-rt5676.c

diff --git a/Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt b/Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt
new file mode 100644
index 0000000..5fbdf39
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt
@@ -0,0 +1,15 @@
+MT8173 with RT5650 RT5676 CODECS
+
+Required properties:
+- compatible : "mediatek,mt8173-rt5650-rt5676"
+- mediatek,audio-codec: the phandles of rt5650 and rt5676 codecs
+- avdd-supply : the phandle of regulator to supply 1.8V
+
+Example:
+
+ sound {
+ compatible = "mediatek,mt8173-rt5650-rt5676";
+ mediatek,audio-codec = <&rt5650 &rt5676>;
+ avdd-supply = <&mt6397_vgp1_reg>;
+ };
+
diff --git a/sound/soc/mediatek/Kconfig b/sound/soc/mediatek/Kconfig
index 6fb337e..6f03e26 100644
--- a/sound/soc/mediatek/Kconfig
+++ b/sound/soc/mediatek/Kconfig
@@ -18,3 +18,15 @@ config SND_SOC_MT8173_MAX98090
Select Y if you have such device.
If unsure select "N".

+config SND_SOC_MT8173_RT5650_RT5676
+ bool "ASoC Audio driver for MT8173 with RT5650 RT5676 codecs"
+ depends on ARCH_MEDIATEK
+ select SND_SOC_MEDIATEK
+ select SND_SOC_RT5645
+ select SND_SOC_RT5677
+ help
+ This adds ASoC driver for Mediatek MT8173 boards
+ with the RT5650 and RT5676 codecs.
+ Select Y if you have such device.
+ If unsure select "N".
+
diff --git a/sound/soc/mediatek/Makefile b/sound/soc/mediatek/Makefile
index 08fa765..75effbe 100644
--- a/sound/soc/mediatek/Makefile
+++ b/sound/soc/mediatek/Makefile
@@ -2,3 +2,4 @@
obj-$(CONFIG_SND_SOC_MEDIATEK) += mtk-afe-pcm.o
# Machine support
obj-$(CONFIG_SND_SOC_MT8173_MAX98090) += mt8173-max98090.o
+obj-$(CONFIG_SND_SOC_MT8173_RT5650_RT5676) += mt8173-rt5650-rt5676.o
diff --git a/sound/soc/mediatek/mt8173-rt5650-rt5676.c b/sound/soc/mediatek/mt8173-rt5650-rt5676.c
new file mode 100644
index 0000000..ceff158
--- /dev/null
+++ b/sound/soc/mediatek/mt8173-rt5650-rt5676.c
@@ -0,0 +1,300 @@
+/*
+ * mt8173-rt5650-rt5676.c -- MT8173 machine driver with RT5650/5676 codecs
+ *
+ * Copyright (c) 2015 MediaTek Inc.
+ * Author: Koro Chen <koro.chen@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/gpio.h>
+#include <linux/of_gpio.h>
+#include <linux/regulator/consumer.h>
+#include <sound/soc.h>
+#include <sound/jack.h>
+#include "../codecs/rt5645.h"
+#include "../codecs/rt5677.h"
+
+#define MCLK_FOR_CODECS 12288000
+
+static const struct snd_soc_dapm_widget mt8173_rt5650_rt5676_widgets[] = {
+ SND_SOC_DAPM_SPK("Speaker", NULL),
+ SND_SOC_DAPM_MIC("Int Mic", NULL),
+ SND_SOC_DAPM_HP("Headphone", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+};
+
+static const struct snd_soc_dapm_route mt8173_rt5650_rt5676_routes[] = {
+ {"Speaker", NULL, "SPOL"},
+ {"Speaker", NULL, "SPOR"},
+ {"Speaker", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650 */
+ {"Sub DMIC L1", NULL, "Int Mic"}, /* DMIC from 5676 */
+ {"Sub DMIC R1", NULL, "Int Mic"},
+ {"Headphone", NULL, "HPOL"},
+ {"Headphone", NULL, "HPOR"},
+ {"Headphone", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650 */
+ {"Headset Mic", NULL, "micbias1"},
+ {"Headset Mic", NULL, "micbias2"},
+ {"IN1P", NULL, "Headset Mic"},
+ {"IN1N", NULL, "Headset Mic"},
+ {"Sub AIF2RX", NULL, "Headset Mic"}, /* IF2 DAC from 5650 */
+};
+
+static const struct snd_kcontrol_new mt8173_rt5650_rt5676_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Speaker"),
+ SOC_DAPM_PIN_SWITCH("Int Mic"),
+ SOC_DAPM_PIN_SWITCH("Headphone"),
+ SOC_DAPM_PIN_SWITCH("Headset Mic"),
+};
+
+static int mt8173_rt5650_rt5676_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ int i, ret;
+
+ for (i = 0; i < rtd->num_codecs; i++) {
+ struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
+
+ /* pll from mclk 12.288M */
+ ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
+ params_rate(params) * 512);
+ if (ret)
+ return ret;
+
+ /* sysclk from pll */
+ ret = snd_soc_dai_set_sysclk(codec_dai, 1,
+ params_rate(params) * 512,
+ SND_SOC_CLOCK_IN);
+ if (ret)
+ return ret;
+ }
+ return 0;
+}
+
+static struct snd_soc_ops mt8173_rt5650_rt5676_ops = {
+ .hw_params = mt8173_rt5650_rt5676_hw_params,
+};
+
+static struct snd_soc_jack mt8173_rt5650_rt5676_jack;
+
+static int mt8173_rt5650_rt5676_init(struct snd_soc_pcm_runtime *runtime)
+{
+ struct snd_soc_card *card = runtime->card;
+ struct snd_soc_codec *codec = runtime->codec_dais[0]->codec;
+ struct snd_soc_codec *codec_sub = runtime->codec_dais[1]->codec;
+ int ret;
+
+ rt5645_sel_asrc_clk_src(codec,
+ RT5645_DA_STEREO_FILTER |
+ RT5645_AD_STEREO_FILTER,
+ RT5645_CLK_SEL_I2S1_ASRC);
+ rt5677_sel_asrc_clk_src(codec_sub,
+ RT5677_DA_STEREO_FILTER |
+ RT5677_AD_STEREO1_FILTER,
+ RT5677_CLK_SEL_I2S1_ASRC);
+ rt5677_sel_asrc_clk_src(codec_sub,
+ RT5677_AD_STEREO2_FILTER |
+ RT5677_I2S2_SOURCE,
+ RT5677_CLK_SEL_I2S2_ASRC);
+
+ /* enable jack detection */
+ ret = snd_soc_card_jack_new(card, "Headset Jack",
+ SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
+ SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+ SND_JACK_BTN_2 | SND_JACK_BTN_3,
+ &mt8173_rt5650_rt5676_jack, NULL, 0);
+ if (ret) {
+ dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
+ return ret;
+ }
+
+ return rt5645_set_jack_detect(codec,
+ &mt8173_rt5650_rt5676_jack,
+ &mt8173_rt5650_rt5676_jack,
+ &mt8173_rt5650_rt5676_jack);
+}
+
+static struct snd_soc_dai_link_component mt8173_rt5650_rt5676_codecs[] = {
+ {
+ .dai_name = "rt5645-aif1",
+ },
+ {
+ .dai_name = "rt5677-aif1",
+ },
+};
+
+/* Digital audio interface glue - connects codec <---> CPU */
+static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = {
+ /* Front End DAI links */
+ {
+ .name = "rt5650_rt5676 Playback",
+ .stream_name = "rt5650_rt5676 Playback",
+ .cpu_dai_name = "DL1",
+ .platform_name = "11220000.mt8173-afe-pcm",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+ .dynamic = 1,
+ .dpcm_playback = 1,
+ },
+ {
+ .name = "rt5650_rt5676 Capture",
+ .stream_name = "rt5650_rt5676 Capture",
+ .cpu_dai_name = "VUL",
+ .platform_name = "11220000.mt8173-afe-pcm",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+ .dynamic = 1,
+ .dpcm_capture = 1,
+ },
+
+ /* Back End DAI links */
+ {
+ .name = "Codec",
+ .cpu_dai_name = "I2S",
+ .platform_name = "11220000.mt8173-afe-pcm",
+ .no_pcm = 1,
+ .codecs = mt8173_rt5650_rt5676_codecs,
+ .num_codecs = 2,
+ .init = mt8173_rt5650_rt5676_init,
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ .ops = &mt8173_rt5650_rt5676_ops,
+ .ignore_pmdown_time = 1,
+ .dpcm_playback = 1,
+ .dpcm_capture = 1,
+ },
+ { /* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */
+ .name = "rt5650_rt5676 intercodec",
+ .stream_name = "rt5650_rt5676 intercodec",
+ .cpu_dai_name = "snd-soc-dummy-dai",
+ .platform_name = "snd-soc-dummy",
+ .no_pcm = 1,
+ .codec_dai_name = "rt5677-aif2",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBM_CFM,
+ },
+
+};
+
+static struct snd_soc_codec_conf mt8173_rt5650_rt5676_codec_conf[] = {
+ {
+ .name_prefix = "Sub",
+ },
+};
+
+static struct snd_soc_card mt8173_rt5650_rt5676_card = {
+ .name = "mtk-rt5650-rt5676",
+ .dai_link = mt8173_rt5650_rt5676_dais,
+ .num_links = ARRAY_SIZE(mt8173_rt5650_rt5676_dais),
+ .codec_conf = mt8173_rt5650_rt5676_codec_conf,
+ .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5676_codec_conf),
+ .controls = mt8173_rt5650_rt5676_controls,
+ .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5676_controls),
+ .dapm_widgets = mt8173_rt5650_rt5676_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5676_widgets),
+ .dapm_routes = mt8173_rt5650_rt5676_routes,
+ .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5676_routes),
+};
+
+static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &mt8173_rt5650_rt5676_card;
+ struct regulator *reg_avdd;
+ int ret;
+
+ mt8173_rt5650_rt5676_codecs[0].of_node =
+ of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
+ if (!mt8173_rt5650_rt5676_codecs[0].of_node) {
+ dev_err(&pdev->dev,
+ "Property 'audio-codec' missing or invalid\n");
+ return -EINVAL;
+ }
+ mt8173_rt5650_rt5676_codecs[1].of_node =
+ of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
+ if (!mt8173_rt5650_rt5676_codecs[1].of_node) {
+ dev_err(&pdev->dev,
+ "Property 'audio-codec' missing or invalid\n");
+ return -EINVAL;
+ }
+ mt8173_rt5650_rt5676_codec_conf[0].of_node =
+ mt8173_rt5650_rt5676_codecs[1].of_node;
+
+ mt8173_rt5650_rt5676_dais[3].codec_of_node =
+ mt8173_rt5650_rt5676_codecs[1].of_node;
+
+ /* set 5650 codec AVDD/DACREF/CPVDD/DBVDD voltage */
+ reg_avdd = devm_regulator_get(&pdev->dev, "avdd");
+ if (IS_ERR(reg_avdd)) {
+ dev_err(&pdev->dev, "failed to get avdd\n");
+ return PTR_ERR(reg_avdd);
+ }
+ ret = regulator_set_voltage(reg_avdd, 1800000, 1800000);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "Failed to set avdd: %d\n", ret);
+ return ret;
+ }
+ dev_info(&pdev->dev, "avdd = %d uv\n",
+ regulator_get_voltage(reg_avdd));
+
+ ret = regulator_enable(reg_avdd);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "Failed to enable avdd: %d\n", ret);
+ return ret;
+ }
+
+ card->dev = &pdev->dev;
+ platform_set_drvdata(pdev, card);
+
+ ret = snd_soc_register_card(card);
+ if (ret)
+ dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
+ __func__, ret);
+ return ret;
+}
+
+static int mt8173_rt5650_rt5676_dev_remove(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+ snd_soc_unregister_card(card);
+ return 0;
+}
+
+static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = {
+ { .compatible = "mediatek,mt8173-rt5650-rt5676", },
+ { }
+};
+
+static struct platform_driver mt8173_rt5650_rt5676_driver = {
+ .driver = {
+ .name = "mtk-rt5650-rt5676",
+ .owner = THIS_MODULE,
+ .of_match_table = mt8173_rt5650_rt5676_dt_match,
+#ifdef CONFIG_PM
+ .pm = &snd_soc_pm_ops,
+#endif
+ },
+ .probe = mt8173_rt5650_rt5676_dev_probe,
+ .remove = mt8173_rt5650_rt5676_dev_remove,
+};
+
+module_platform_driver(mt8173_rt5650_rt5676_driver);
+
+/* Module information */
+MODULE_DESCRIPTION("MT8173 RT5650 and RT5676 SoC machine driver");
+MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:mtk-rt5650-rt5676");
+MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match);
+
--
1.8.1.1.dirty