ASoC: mediatek: Add machine driver for rt5650 rt5676 codec
authorKoro Chen <koro.chen@mediatek.com>
Mon, 15 Jun 2015 14:38:04 +0000 (22:38 +0800)
committerMark Brown <broonie@kernel.org>
Tue, 16 Jun 2015 11:52:36 +0000 (12:52 +0100)
This is the DPCM based machine driver with rt5650 and rt5676

Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Signed-off-by: Koro Chen <koro.chen@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt [new file with mode: 0644]
sound/soc/mediatek/Kconfig
sound/soc/mediatek/Makefile
sound/soc/mediatek/mt8173-rt5650-rt5676.c [new file with mode: 0644]

diff --git a/Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt b/Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt
new file mode 100644 (file)
index 0000000..61e98c9
--- /dev/null
@@ -0,0 +1,13 @@
+MT8173 with RT5650 RT5676 CODECS
+
+Required properties:
+- compatible : "mediatek,mt8173-rt5650-rt5676"
+- mediatek,audio-codec: the phandles of rt5650 and rt5676 codecs
+
+Example:
+
+       sound {
+               compatible = "mediatek,mt8173-rt5650-rt5676";
+               mediatek,audio-codec = <&rt5650 &rt5676>;
+       };
+
index 0bfd2a02a4083e001d6f7da6912e0b419d6f7b2f..15c04e2eae34a010d90abd645c8cdfb3bf07df41 100644 (file)
@@ -17,3 +17,14 @@ config SND_SOC_MT8173_MAX98090
          Select Y if you have such device.
          If unsure select "N".
 
+config SND_SOC_MT8173_RT5650_RT5676
+       tristate "ASoC Audio driver for MT8173 with RT5650 RT5676 codecs"
+       depends on 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".
+
index 08fa765b1f0b27f4135c540764765aed501ee586..75effbec438d4ebbcc9b6551755c5c171b169477 100644 (file)
@@ -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 (file)
index 0000000..0940553
--- /dev/null
@@ -0,0 +1,278 @@
+/*
+ * 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 <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;
+       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;
+
+       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", },
+       { }
+};
+MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match);
+
+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");
+