summaryrefslogtreecommitdiffstats
path: root/sound/soc/mediatek/mt8173/mt8173-rt5650.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--sound/soc/mediatek/mt8173/mt8173-rt5650.c366
1 files changed, 366 insertions, 0 deletions
diff --git a/sound/soc/mediatek/mt8173/mt8173-rt5650.c b/sound/soc/mediatek/mt8173/mt8173-rt5650.c
new file mode 100644
index 0000000000..18cf84bb25
--- /dev/null
+++ b/sound/soc/mediatek/mt8173/mt8173-rt5650.c
@@ -0,0 +1,366 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * mt8173-rt5650.c -- MT8173 machine driver with RT5650 codecs
+ *
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: Koro Chen <koro.chen@mediatek.com>
+ */
+
+#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"
+
+#define MCLK_FOR_CODECS 12288000
+
+enum mt8173_rt5650_mclk {
+ MT8173_RT5650_MCLK_EXTERNAL = 0,
+ MT8173_RT5650_MCLK_INTERNAL,
+};
+
+struct mt8173_rt5650_platform_data {
+ enum mt8173_rt5650_mclk pll_from;
+ /* 0 = external oscillator; 1 = internal source from mt8173 */
+};
+
+static struct mt8173_rt5650_platform_data mt8173_rt5650_priv = {
+ .pll_from = MT8173_RT5650_MCLK_EXTERNAL,
+};
+
+static const struct snd_soc_dapm_widget mt8173_rt5650_widgets[] = {
+ SND_SOC_DAPM_SPK("Ext Spk", 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_routes[] = {
+ {"Ext Spk", NULL, "SPOL"},
+ {"Ext Spk", NULL, "SPOR"},
+ {"DMIC L1", NULL, "Int Mic"},
+ {"DMIC R1", NULL, "Int Mic"},
+ {"Headphone", NULL, "HPOL"},
+ {"Headphone", NULL, "HPOR"},
+ {"IN1P", NULL, "Headset Mic"},
+ {"IN1N", NULL, "Headset Mic"},
+};
+
+static const struct snd_kcontrol_new mt8173_rt5650_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Ext Spk"),
+ SOC_DAPM_PIN_SWITCH("Int Mic"),
+ SOC_DAPM_PIN_SWITCH("Headphone"),
+ SOC_DAPM_PIN_SWITCH("Headset Mic"),
+};
+
+static struct snd_soc_jack_pin mt8173_rt5650_jack_pins[] = {
+ {
+ .pin = "Headphone",
+ .mask = SND_JACK_HEADPHONE,
+ },
+ {
+ .pin = "Headset Mic",
+ .mask = SND_JACK_MICROPHONE,
+ },
+};
+
+static int mt8173_rt5650_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+ unsigned int mclk_clock;
+ struct snd_soc_dai *codec_dai;
+ int i, ret;
+
+ switch (mt8173_rt5650_priv.pll_from) {
+ case MT8173_RT5650_MCLK_EXTERNAL:
+ /* mclk = 12.288M */
+ mclk_clock = MCLK_FOR_CODECS;
+ break;
+ case MT8173_RT5650_MCLK_INTERNAL:
+ /* mclk = sampling rate*256 */
+ mclk_clock = params_rate(params) * 256;
+ break;
+ default:
+ /* mclk = 12.288M */
+ mclk_clock = MCLK_FOR_CODECS;
+ break;
+ }
+
+ for_each_rtd_codec_dais(rtd, i, codec_dai) {
+ /* pll from mclk */
+ ret = snd_soc_dai_set_pll(codec_dai, 0, 0, mclk_clock,
+ 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 const struct snd_soc_ops mt8173_rt5650_ops = {
+ .hw_params = mt8173_rt5650_hw_params,
+};
+
+static struct snd_soc_jack mt8173_rt5650_jack, mt8173_rt5650_hdmi_jack;
+
+static int mt8173_rt5650_init(struct snd_soc_pcm_runtime *runtime)
+{
+ struct snd_soc_card *card = runtime->card;
+ struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component;
+ const char *codec_capture_dai = asoc_rtd_to_codec(runtime, 1)->name;
+ int ret;
+
+ rt5645_sel_asrc_clk_src(component,
+ RT5645_DA_STEREO_FILTER,
+ RT5645_CLK_SEL_I2S1_ASRC);
+
+ if (!strcmp(codec_capture_dai, "rt5645-aif1")) {
+ rt5645_sel_asrc_clk_src(component,
+ RT5645_AD_STEREO_FILTER,
+ RT5645_CLK_SEL_I2S1_ASRC);
+ } else if (!strcmp(codec_capture_dai, "rt5645-aif2")) {
+ rt5645_sel_asrc_clk_src(component,
+ RT5645_AD_STEREO_FILTER,
+ RT5645_CLK_SEL_I2S2_ASRC);
+ } else {
+ dev_warn(card->dev,
+ "Only one dai codec found in DTS, enabled rt5645 AD filter\n");
+ rt5645_sel_asrc_clk_src(component,
+ RT5645_AD_STEREO_FILTER,
+ RT5645_CLK_SEL_I2S1_ASRC);
+ }
+
+ /* enable jack detection */
+ ret = snd_soc_card_jack_new_pins(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_jack,
+ mt8173_rt5650_jack_pins,
+ ARRAY_SIZE(mt8173_rt5650_jack_pins));
+ if (ret) {
+ dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
+ return ret;
+ }
+
+ return rt5645_set_jack_detect(component,
+ &mt8173_rt5650_jack,
+ &mt8173_rt5650_jack,
+ &mt8173_rt5650_jack);
+}
+
+static int mt8173_rt5650_hdmi_init(struct snd_soc_pcm_runtime *rtd)
+{
+ int ret;
+
+ ret = snd_soc_card_jack_new(rtd->card, "HDMI Jack", SND_JACK_LINEOUT,
+ &mt8173_rt5650_hdmi_jack);
+ if (ret)
+ return ret;
+
+ return snd_soc_component_set_jack(asoc_rtd_to_codec(rtd, 0)->component,
+ &mt8173_rt5650_hdmi_jack, NULL);
+}
+
+enum {
+ DAI_LINK_PLAYBACK,
+ DAI_LINK_CAPTURE,
+ DAI_LINK_HDMI,
+ DAI_LINK_CODEC_I2S,
+ DAI_LINK_HDMI_I2S,
+};
+
+SND_SOC_DAILINK_DEFS(playback,
+ DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
+ DAILINK_COMP_ARRAY(COMP_DUMMY()),
+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(capture,
+ DAILINK_COMP_ARRAY(COMP_CPU("VUL")),
+ DAILINK_COMP_ARRAY(COMP_DUMMY()),
+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(hdmi_pcm,
+ DAILINK_COMP_ARRAY(COMP_CPU("HDMI")),
+ DAILINK_COMP_ARRAY(COMP_DUMMY()),
+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(codec,
+ DAILINK_COMP_ARRAY(COMP_CPU("I2S")),
+ DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"), /* Playback */
+ COMP_CODEC(NULL, "rt5645-aif1")),/* Capture */
+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+SND_SOC_DAILINK_DEFS(hdmi_be,
+ DAILINK_COMP_ARRAY(COMP_CPU("HDMIO")),
+ DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "i2s-hifi")),
+ DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+/* Digital audio interface glue - connects codec <---> CPU */
+static struct snd_soc_dai_link mt8173_rt5650_dais[] = {
+ /* Front End DAI links */
+ [DAI_LINK_PLAYBACK] = {
+ .name = "rt5650 Playback",
+ .stream_name = "rt5650 Playback",
+ .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+ .dynamic = 1,
+ .dpcm_playback = 1,
+ SND_SOC_DAILINK_REG(playback),
+ },
+ [DAI_LINK_CAPTURE] = {
+ .name = "rt5650 Capture",
+ .stream_name = "rt5650 Capture",
+ .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+ .dynamic = 1,
+ .dpcm_capture = 1,
+ SND_SOC_DAILINK_REG(capture),
+ },
+ [DAI_LINK_HDMI] = {
+ .name = "HDMI",
+ .stream_name = "HDMI PCM",
+ .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+ .dynamic = 1,
+ .dpcm_playback = 1,
+ SND_SOC_DAILINK_REG(hdmi_pcm),
+ },
+ /* Back End DAI links */
+ [DAI_LINK_CODEC_I2S] = {
+ .name = "Codec",
+ .no_pcm = 1,
+ .init = mt8173_rt5650_init,
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ .ops = &mt8173_rt5650_ops,
+ .ignore_pmdown_time = 1,
+ .dpcm_playback = 1,
+ .dpcm_capture = 1,
+ SND_SOC_DAILINK_REG(codec),
+ },
+ [DAI_LINK_HDMI_I2S] = {
+ .name = "HDMI BE",
+ .no_pcm = 1,
+ .dpcm_playback = 1,
+ .init = mt8173_rt5650_hdmi_init,
+ SND_SOC_DAILINK_REG(hdmi_be),
+ },
+};
+
+static struct snd_soc_card mt8173_rt5650_card = {
+ .name = "mtk-rt5650",
+ .owner = THIS_MODULE,
+ .dai_link = mt8173_rt5650_dais,
+ .num_links = ARRAY_SIZE(mt8173_rt5650_dais),
+ .controls = mt8173_rt5650_controls,
+ .num_controls = ARRAY_SIZE(mt8173_rt5650_controls),
+ .dapm_widgets = mt8173_rt5650_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_widgets),
+ .dapm_routes = mt8173_rt5650_routes,
+ .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_routes),
+};
+
+static int mt8173_rt5650_dev_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &mt8173_rt5650_card;
+ struct device_node *platform_node;
+ struct device_node *np;
+ const char *codec_capture_dai;
+ struct snd_soc_dai_link *dai_link;
+ int i, ret;
+
+ platform_node = of_parse_phandle(pdev->dev.of_node,
+ "mediatek,platform", 0);
+ if (!platform_node) {
+ dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
+ return -EINVAL;
+ }
+
+ for_each_card_prelinks(card, i, dai_link) {
+ if (dai_link->platforms->name)
+ continue;
+ dai_link->platforms->of_node = platform_node;
+ }
+
+ mt8173_rt5650_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node =
+ of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
+ if (!mt8173_rt5650_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) {
+ dev_err(&pdev->dev,
+ "Property 'audio-codec' missing or invalid\n");
+ ret = -EINVAL;
+ goto put_platform_node;
+ }
+ mt8173_rt5650_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node =
+ mt8173_rt5650_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node;
+
+ np = of_get_child_by_name(pdev->dev.of_node, "codec-capture");
+ if (np) {
+ ret = snd_soc_of_get_dai_name(np, &codec_capture_dai, 0);
+ of_node_put(np);
+ if (ret < 0) {
+ dev_err(&pdev->dev,
+ "%s codec_capture_dai name fail %d\n",
+ __func__, ret);
+ goto put_platform_node;
+ }
+ mt8173_rt5650_dais[DAI_LINK_CODEC_I2S].codecs[1].dai_name =
+ codec_capture_dai;
+ }
+
+ if (device_property_present(&pdev->dev, "mediatek,mclk")) {
+ ret = device_property_read_u32(&pdev->dev,
+ "mediatek,mclk",
+ &mt8173_rt5650_priv.pll_from);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "%s snd_soc_register_card fail %d\n",
+ __func__, ret);
+ }
+ }
+
+ mt8173_rt5650_dais[DAI_LINK_HDMI_I2S].codecs->of_node =
+ of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
+ if (!mt8173_rt5650_dais[DAI_LINK_HDMI_I2S].codecs->of_node) {
+ dev_err(&pdev->dev,
+ "Property 'audio-codec' missing or invalid\n");
+ ret = -EINVAL;
+ goto put_platform_node;
+ }
+ card->dev = &pdev->dev;
+
+ ret = devm_snd_soc_register_card(&pdev->dev, card);
+
+put_platform_node:
+ of_node_put(platform_node);
+ return ret;
+}
+
+static const struct of_device_id mt8173_rt5650_dt_match[] = {
+ { .compatible = "mediatek,mt8173-rt5650", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, mt8173_rt5650_dt_match);
+
+static struct platform_driver mt8173_rt5650_driver = {
+ .driver = {
+ .name = "mtk-rt5650",
+ .of_match_table = mt8173_rt5650_dt_match,
+ .pm = &snd_soc_pm_ops,
+ },
+ .probe = mt8173_rt5650_dev_probe,
+};
+
+module_platform_driver(mt8173_rt5650_driver);
+
+/* Module information */
+MODULE_DESCRIPTION("MT8173 RT5650 SoC machine driver");
+MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:mtk-rt5650");
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 12:50:59 +0000