--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Intel Corporation
+
+/*
+ * ehl_rt5660 - ASOC Machine driver for Elkhart Lake platforms
+ * with rt5660 codec
+ */
+
+#include <linux/acpi.h>
+#include <sound/core.h>
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/gfp.h>
+#include <sound/jack.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-acpi.h>
+
+#include "hda_dsp_common.h"
+#include "../../codecs/rt5660.h"
+
+#define DUAL_CHANNEL 2
+#define HDMI_LINK_START 3
+#define HDMI_LINE_END 6
+#define NAME_SIZE 32
+#define IDISP_CODEC_MASK 0x4
+
+struct sof_card_private {
+ struct list_head hdmi_pcm_list;
+ bool idisp_codec;
+};
+
+static const struct snd_kcontrol_new rt5660_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Speaker"),
+ /* There are two MICBIAS in rt5660, each for one MIC */
+ SOC_DAPM_PIN_SWITCH("Headset Mic"),
+ SOC_DAPM_PIN_SWITCH("Headset Mic2"),
+ SOC_DAPM_PIN_SWITCH("Line Out"),
+};
+
+static const struct snd_soc_dapm_widget rt5660_widgets[] = {
+ SND_SOC_DAPM_SPK("Speaker", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic2", NULL),
+ SND_SOC_DAPM_MIC("SoC DMIC", NULL),
+ SND_SOC_DAPM_LINE("Line Out", NULL),
+};
+
+static const struct snd_soc_dapm_route rt5660_map[] = {
+ {"Speaker", NULL, "SPO"},
+
+ {"Headset Mic", NULL, "MICBIAS1"},
+ {"Headset Mic2", NULL, "MICBIAS2"},
+
+ {"IN1P", NULL, "Headset Mic"},
+ {"IN2P", NULL, "Headset Mic2"},
+
+ {"Line Out", NULL, "LOUTL"},
+ {"Line Out", NULL, "LOUTR"},
+
+ {"DMic", NULL, "SoC DMIC"},
+};
+
+struct sof_hdmi_pcm {
+ struct list_head head;
+ struct snd_soc_dai *codec_dai;
+ int device;
+};
+
+static int hdmi_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
+ struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
+ struct sof_hdmi_pcm *pcm;
+
+ pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
+ if (!pcm)
+ return -ENOMEM;
+
+ /* dai_link id is 1:1 mapped to the PCM device */
+ pcm->device = rtd->dai_link->id;
+ pcm->codec_dai = dai;
+
+ list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
+
+ return 0;
+}
+
+static int card_late_probe(struct snd_soc_card *card)
+{
+ struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
+ struct sof_hdmi_pcm *pcm;
+
+ if (list_empty(&ctx->hdmi_pcm_list))
+ return -ENOENT;
+
+ if (!ctx->idisp_codec)
+ return 0;
+
+ pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm, head);
+
+ return hda_dsp_hdmi_build_controls(card, pcm->codec_dai->component);
+}
+
+static int rt5660_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+ int ret;
+
+ ret = snd_soc_dai_set_sysclk(codec_dai,
+ RT5660_SCLK_S_PLL1,
+ params_rate(params) * 512,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0) {
+ dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_dai_set_pll(codec_dai, 0,
+ RT5660_PLL1_S_BCLK,
+ params_rate(params) * 50,
+ params_rate(params) * 512);
+ if (ret < 0)
+ dev_err(codec_dai->dev, "can't set codec pll: %d\n", ret);
+
+ return ret;
+}
+
+static struct snd_soc_ops rt5660_ops = {
+ .hw_params = rt5660_hw_params,
+};
+
+SND_SOC_DAILINK_DEF(ssp0_pin,
+ DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
+
+SND_SOC_DAILINK_DEF(rt5660_codec,
+ DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5660:00", "rt5660-aif1")));
+
+SND_SOC_DAILINK_DEF(platform,
+ DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
+
+SND_SOC_DAILINK_DEF(dmic_pin,
+ DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
+SND_SOC_DAILINK_DEF(dmic_codec,
+ DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
+SND_SOC_DAILINK_DEF(dmic16k,
+ DAILINK_COMP_ARRAY(COMP_CPU("DMIC16k Pin")));
+
+SND_SOC_DAILINK_DEF(idisp1_pin,
+ DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
+SND_SOC_DAILINK_DEF(idisp1_codec,
+ DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
+
+SND_SOC_DAILINK_DEF(idisp2_pin,
+ DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
+SND_SOC_DAILINK_DEF(idisp2_codec,
+ DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
+
+SND_SOC_DAILINK_DEF(idisp3_pin,
+ DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
+SND_SOC_DAILINK_DEF(idisp3_codec,
+ DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
+
+SND_SOC_DAILINK_DEF(idisp4_pin,
+ DAILINK_COMP_ARRAY(COMP_CPU("iDisp4 Pin")));
+SND_SOC_DAILINK_DEF(idisp4_codec,
+ DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi4")));
+
+static struct snd_soc_dai_link ehl_rt5660_dailink[] = {
+ /* back ends */
+ {
+ .name = "SSP0-Codec",
+ .id = 0,
+ .no_pcm = 1,
+ .dpcm_playback = 1,
+ .dpcm_capture = 1,
+ .ops = &rt5660_ops,
+ .nonatomic = true,
+ SND_SOC_DAILINK_REG(ssp0_pin, rt5660_codec, platform),
+ },
+ {
+ .name = "dmic48k",
+ .id = 1,
+ .ignore_suspend = 1,
+ .dpcm_capture = 1,
+ .no_pcm = 1,
+ SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
+ },
+ {
+ .name = "dmic16k",
+ .id = 2,
+ .ignore_suspend = 1,
+ .dpcm_capture = 1,
+ .no_pcm = 1,
+ SND_SOC_DAILINK_REG(dmic16k, dmic_codec, platform),
+ },
+ {
+ .name = "iDisp1",
+ .id = 5,
+ .init = hdmi_init,
+ .dpcm_playback = 1,
+ .no_pcm = 1,
+ SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
+ },
+ {
+ .name = "iDisp2",
+ .id = 6,
+ .init = hdmi_init,
+ .dpcm_playback = 1,
+ .no_pcm = 1,
+ SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
+ },
+ {
+ .name = "iDisp3",
+ .id = 7,
+ .init = hdmi_init,
+ .dpcm_playback = 1,
+ .no_pcm = 1,
+ SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
+ },
+ {
+ .name = "iDisp4",
+ .id = 8,
+ .init = hdmi_init,
+ .dpcm_playback = 1,
+ .no_pcm = 1,
+ SND_SOC_DAILINK_REG(idisp4_pin, idisp4_codec, platform),
+ },
+};
+
+/* SoC card */
+static struct snd_soc_card snd_soc_card_ehl_rt5660 = {
+ .name = "ehl-rt5660",
+ .owner = THIS_MODULE,
+ .dai_link = ehl_rt5660_dailink,
+ .num_links = ARRAY_SIZE(ehl_rt5660_dailink),
+ .dapm_widgets = rt5660_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(rt5660_widgets),
+ .dapm_routes = rt5660_map,
+ .num_dapm_routes = ARRAY_SIZE(rt5660_map),
+ .controls = rt5660_controls,
+ .num_controls = ARRAY_SIZE(rt5660_controls),
+ .fully_routed = true,
+ .late_probe = card_late_probe,
+};
+
+/* If hdmi codec is not supported, switch to use dummy codec */
+static void hdmi_link_init(struct snd_soc_card *card,
+ struct sof_card_private *ctx,
+ struct snd_soc_acpi_mach *mach)
+{
+ struct snd_soc_dai_link *link;
+ int i;
+
+ if (mach->mach_params.common_hdmi_codec_drv &&
+ (mach->mach_params.codec_mask & IDISP_CODEC_MASK)) {
+ ctx->idisp_codec = true;
+ return;
+ }
+
+ /*
+ * if HDMI is not enabled in kernel config, or
+ * hdmi codec is not supported
+ */
+ for (i = HDMI_LINK_START; i <= HDMI_LINE_END; i++) {
+ link = &card->dai_link[i];
+ link->codecs[0].name = "snd-soc-dummy";
+ link->codecs[0].dai_name = "snd-soc-dummy-dai";
+ }
+}
+
+static int snd_ehl_rt5660_probe(struct platform_device *pdev)
+{
+ struct snd_soc_acpi_mach *mach;
+ struct snd_soc_card *card = &snd_soc_card_ehl_rt5660;
+ struct sof_card_private *ctx;
+ int ret;
+
+ card->dev = &pdev->dev;
+
+ ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return -ENOMEM;
+ INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
+ snd_soc_card_set_drvdata(card, ctx);
+
+ mach = pdev->dev.platform_data;
+ ret = snd_soc_fixup_dai_links_platform_name(card,
+ mach->mach_params.platform);
+ if (ret)
+ return ret;
+
+ hdmi_link_init(card, ctx, mach);
+
+ return devm_snd_soc_register_card(&pdev->dev, card);
+}
+
+static const struct platform_device_id ehl_board_ids[] = {
+ { .name = "ehl_rt5660" },
+ { }
+};
+
+static struct platform_driver snd_ehl_rt5660_driver = {
+ .driver = {
+ .name = "ehl_rt5660",
+ .pm = &snd_soc_pm_ops,
+ },
+ .probe = snd_ehl_rt5660_probe,
+ .id_table = ehl_board_ids,
+};
+
+module_platform_driver(snd_ehl_rt5660_driver);
+
+MODULE_DESCRIPTION("ASoC Intel(R) Elkhartlake + rt5660 Machine driver");
+MODULE_AUTHOR("libin.yang@intel.com");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:ehl_rt5660");
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