--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+// Copyright(c) 2017-18 Intel Corporation.
+
+/*
+ * Intel Kabylake I2S Machine Driver with MAX98357A & DA7219 Codecs
+ *
+ * Modified from:
+ * Intel Kabylake I2S Machine driver supporting MAXIM98927 and
+ * RT5663 codecs
+ */
+
+#include <linux/input.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <sound/core.h>
+#include <sound/jack.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include "../../codecs/da7219.h"
+#include "../../codecs/hdac_hdmi.h"
+#include "../skylake/skl.h"
+#include "../../codecs/da7219-aad.h"
+
+#define KBL_DIALOG_CODEC_DAI "da7219-hifi"
+#define KBL_MAXIM_CODEC_DAI "HiFi"
+#define MAXIM_DEV0_NAME "MX98357A:00"
+#define DUAL_CHANNEL 2
+#define QUAD_CHANNEL 4
+
+static struct snd_soc_card *kabylake_audio_card;
+static struct snd_soc_jack skylake_hdmi[3];
+
+struct kbl_hdmi_pcm {
+ struct list_head head;
+ struct snd_soc_dai *codec_dai;
+ int device;
+};
+
+struct kbl_codec_private {
+ struct snd_soc_jack kabylake_headset;
+ struct list_head hdmi_pcm_list;
+};
+
+enum {
+ KBL_DPCM_AUDIO_PB = 0,
+ KBL_DPCM_AUDIO_CP,
+ KBL_DPCM_AUDIO_DMIC_CP,
+ KBL_DPCM_AUDIO_HDMI1_PB,
+ KBL_DPCM_AUDIO_HDMI2_PB,
+ KBL_DPCM_AUDIO_HDMI3_PB,
+};
+
+static int platform_clock_control(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ struct snd_soc_dapm_context *dapm = w->dapm;
+ struct snd_soc_card *card = dapm->card;
+ struct snd_soc_dai *codec_dai;
+ int ret = 0;
+
+ codec_dai = snd_soc_card_get_codec_dai(card, KBL_DIALOG_CODEC_DAI);
+ if (!codec_dai) {
+ dev_err(card->dev, "Codec dai not found; Unable to set/unset codec pll\n");
+ return -EIO;
+ }
+
+ /* Configure sysclk for codec */
+ ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK, 24576000,
+ SND_SOC_CLOCK_IN);
+ if (ret) {
+ dev_err(card->dev, "can't set codec sysclk configuration\n");
+ return ret;
+ }
+
+ if (SND_SOC_DAPM_EVENT_OFF(event)) {
+ ret = snd_soc_dai_set_pll(codec_dai, 0,
+ DA7219_SYSCLK_MCLK, 0, 0);
+ if (ret)
+ dev_err(card->dev, "failed to stop PLL: %d\n", ret);
+ } else if (SND_SOC_DAPM_EVENT_ON(event)) {
+ ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_PLL_SRM,
+ 0, DA7219_PLL_FREQ_OUT_98304);
+ if (ret)
+ dev_err(card->dev, "failed to start PLL: %d\n", ret);
+ }
+
+ return ret;
+}
+
+static const struct snd_kcontrol_new kabylake_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Headphone Jack"),
+ SOC_DAPM_PIN_SWITCH("Headset Mic"),
+ SOC_DAPM_PIN_SWITCH("Spk"),
+};
+
+static const struct snd_soc_dapm_widget kabylake_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+ SND_SOC_DAPM_SPK("Spk", NULL),
+ SND_SOC_DAPM_MIC("SoC DMIC", NULL),
+ SND_SOC_DAPM_SPK("DP", NULL),
+ SND_SOC_DAPM_SPK("HDMI", NULL),
+ SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
+ platform_clock_control, SND_SOC_DAPM_PRE_PMU |
+ SND_SOC_DAPM_POST_PMD),
+};
+
+static const struct snd_soc_dapm_route kabylake_map[] = {
+ { "Headphone Jack", NULL, "HPL" },
+ { "Headphone Jack", NULL, "HPR" },
+
+ /* speaker */
+ { "Spk", NULL, "Speaker" },
+
+ /* other jacks */
+ { "MIC", NULL, "Headset Mic" },
+ { "DMic", NULL, "SoC DMIC" },
+
+ { "HDMI", NULL, "hif5 Output" },
+ { "DP", NULL, "hif6 Output" },
+
+ /* CODEC BE connections */
+ { "HiFi Playback", NULL, "ssp0 Tx" },
+ { "ssp0 Tx", NULL, "codec0_out" },
+
+ { "Playback", NULL, "ssp1 Tx" },
+ { "ssp1 Tx", NULL, "codec1_out" },
+
+ { "codec0_in", NULL, "ssp1 Rx" },
+ { "ssp1 Rx", NULL, "Capture" },
+
+ /* DMIC */
+ { "dmic01_hifi", NULL, "DMIC01 Rx" },
+ { "DMIC01 Rx", NULL, "DMIC AIF" },
+
+ { "hifi1", NULL, "iDisp1 Tx" },
+ { "iDisp1 Tx", NULL, "iDisp1_out" },
+ { "hifi2", NULL, "iDisp2 Tx" },
+ { "iDisp2 Tx", NULL, "iDisp2_out" },
+ { "hifi3", NULL, "iDisp3 Tx"},
+ { "iDisp3 Tx", NULL, "iDisp3_out"},
+
+ { "Headphone Jack", NULL, "Platform Clock" },
+ { "Headset Mic", NULL, "Platform Clock" },
+};
+
+static int kabylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_interval *rate = hw_param_interval(params,
+ SNDRV_PCM_HW_PARAM_RATE);
+ struct snd_interval *channels = hw_param_interval(params,
+ SNDRV_PCM_HW_PARAM_CHANNELS);
+ struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
+
+ /* The ADSP will convert the FE rate to 48k, stereo */
+ rate->min = rate->max = 48000;
+ channels->min = channels->max = DUAL_CHANNEL;
+
+ /* set SSP to 24 bit */
+ snd_mask_none(fmt);
+ snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
+
+ return 0;
+}
+
+static int kabylake_da7219_codec_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card);
+ struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_jack *jack;
+ int ret;
+
+ /*
+ * Headset buttons map to the google Reference headset.
+ * These can be configured by userspace.
+ */
+ ret = snd_soc_card_jack_new(kabylake_audio_card, "Headset Jack",
+ SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+ SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_LINEOUT,
+ &ctx->kabylake_headset, NULL, 0);
+ if (ret) {
+ dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
+ return ret;
+ }
+
+ jack = &ctx->kabylake_headset;
+
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_MEDIA);
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
+ snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
+ da7219_aad_jack_det(codec, &ctx->kabylake_headset);
+
+ ret = snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
+ if (ret)
+ dev_err(rtd->dev, "SoC DMIC - Ignore suspend failed %d\n", ret);
+
+ return ret;
+}
+
+static int kabylake_hdmi_init(struct snd_soc_pcm_runtime *rtd, int device)
+{
+ struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card);
+ struct snd_soc_dai *dai = rtd->codec_dai;
+ struct kbl_hdmi_pcm *pcm;
+
+ pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
+ if (!pcm)
+ return -ENOMEM;
+
+ pcm->device = device;
+ pcm->codec_dai = dai;
+
+ list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
+
+ return 0;
+}
+
+static int kabylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
+{
+ return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI1_PB);
+}
+
+static int kabylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
+{
+ return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI2_PB);
+}
+
+static int kabylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
+{
+ return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI3_PB);
+}
+
+static int kabylake_da7219_fe_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_dapm_context *dapm;
+ struct snd_soc_component *component = rtd->cpu_dai->component;
+
+ dapm = snd_soc_component_get_dapm(component);
+ snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
+
+ return 0;
+}
+
+static const unsigned int rates[] = {
+ 48000,
+};
+
+static const struct snd_pcm_hw_constraint_list constraints_rates = {
+ .count = ARRAY_SIZE(rates),
+ .list = rates,
+ .mask = 0,
+};
+
+static const unsigned int channels[] = {
+ DUAL_CHANNEL,
+};
+
+static const struct snd_pcm_hw_constraint_list constraints_channels = {
+ .count = ARRAY_SIZE(channels),
+ .list = channels,
+ .mask = 0,
+};
+
+static unsigned int channels_quad[] = {
+ QUAD_CHANNEL,
+};
+
+static struct snd_pcm_hw_constraint_list constraints_channels_quad = {
+ .count = ARRAY_SIZE(channels_quad),
+ .list = channels_quad,
+ .mask = 0,
+};
+
+static int kbl_fe_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ /*
+ * On this platform for PCM device we support,
+ * 48Khz
+ * stereo
+ * 16 bit audio
+ */
+
+ runtime->hw.channels_max = DUAL_CHANNEL;
+ snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
+ &constraints_channels);
+
+ runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
+ snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
+
+ snd_pcm_hw_constraint_list(runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
+
+ return 0;
+}
+
+static const struct snd_soc_ops kabylake_da7219_fe_ops = {
+ .startup = kbl_fe_startup,
+};
+
+static int kabylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_interval *channels = hw_param_interval(params,
+ SNDRV_PCM_HW_PARAM_CHANNELS);
+
+ /*
+ * set BE channel constraint as user FE channels
+ */
+
+ if (params_channels(params) == 2)
+ channels->min = channels->max = 2;
+ else
+ channels->min = channels->max = 4;
+
+ return 0;
+}
+
+static int kabylake_dmic_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ runtime->hw.channels_min = runtime->hw.channels_max = QUAD_CHANNEL;
+ snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
+ &constraints_channels_quad);
+
+ return snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
+}
+
+static struct snd_soc_ops kabylake_dmic_ops = {
+ .startup = kabylake_dmic_startup,
+};
+
+static const unsigned int rates_16000[] = {
+ 16000,
+};
+
+static const struct snd_pcm_hw_constraint_list constraints_16000 = {
+ .count = ARRAY_SIZE(rates_16000),
+ .list = rates_16000,
+};
+
+static const unsigned int ch_mono[] = {
+ 1,
+};
+
+/* kabylake digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link kabylake_dais[] = {
+ /* Front End DAI links */
+ [KBL_DPCM_AUDIO_PB] = {
+ .name = "Kbl Audio Port",
+ .stream_name = "Audio",
+ .cpu_dai_name = "System Pin",
+ .platform_name = "0000:00:1f.3",
+ .dynamic = 1,
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .nonatomic = 1,
+ .init = kabylake_da7219_fe_init,
+ .trigger = {
+ SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+ .dpcm_playback = 1,
+ .ops = &kabylake_da7219_fe_ops,
+ },
+ [KBL_DPCM_AUDIO_CP] = {
+ .name = "Kbl Audio Capture Port",
+ .stream_name = "Audio Record",
+ .cpu_dai_name = "System Pin",
+ .platform_name = "0000:00:1f.3",
+ .dynamic = 1,
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .nonatomic = 1,
+ .trigger = {
+ SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+ .dpcm_capture = 1,
+ },
+ [KBL_DPCM_AUDIO_DMIC_CP] = {
+ .name = "Kbl Audio DMIC cap",
+ .stream_name = "dmiccap",
+ .cpu_dai_name = "DMIC Pin",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .platform_name = "0000:00:1f.3",
+ .init = NULL,
+ .dpcm_capture = 1,
+ .nonatomic = 1,
+ .dynamic = 1,
+ .ops = &kabylake_dmic_ops,
+ },
+ [KBL_DPCM_AUDIO_HDMI1_PB] = {
+ .name = "Kbl HDMI Port1",
+ .stream_name = "Hdmi1",
+ .cpu_dai_name = "HDMI1 Pin",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .platform_name = "0000:00:1f.3",
+ .dpcm_playback = 1,
+ .init = NULL,
+ .trigger = {
+ SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+ .nonatomic = 1,
+ .dynamic = 1,
+ },
+ [KBL_DPCM_AUDIO_HDMI2_PB] = {
+ .name = "Kbl HDMI Port2",
+ .stream_name = "Hdmi2",
+ .cpu_dai_name = "HDMI2 Pin",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .platform_name = "0000:00:1f.3",
+ .dpcm_playback = 1,
+ .init = NULL,
+ .trigger = {
+ SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+ .nonatomic = 1,
+ .dynamic = 1,
+ },
+ [KBL_DPCM_AUDIO_HDMI3_PB] = {
+ .name = "Kbl HDMI Port3",
+ .stream_name = "Hdmi3",
+ .cpu_dai_name = "HDMI3 Pin",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .platform_name = "0000:00:1f.3",
+ .trigger = {
+ SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+ .dpcm_playback = 1,
+ .init = NULL,
+ .nonatomic = 1,
+ .dynamic = 1,
+ },
+
+ /* Back End DAI links */
+ {
+ /* SSP0 - Codec */
+ .name = "SSP0-Codec",
+ .id = 0,
+ .cpu_dai_name = "SSP0 Pin",
+ .platform_name = "0000:00:1f.3",
+ .no_pcm = 1,
+ .codec_name = MAXIM_DEV0_NAME,
+ .codec_dai_name = KBL_MAXIM_CODEC_DAI,
+ .dai_fmt = SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ .ignore_pmdown_time = 1,
+ .be_hw_params_fixup = kabylake_ssp_fixup,
+ .dpcm_playback = 1,
+ },
+ {
+ /* SSP1 - Codec */
+ .name = "SSP1-Codec",
+ .id = 1,
+ .cpu_dai_name = "SSP1 Pin",
+ .platform_name = "0000:00:1f.3",
+ .no_pcm = 1,
+ .codec_name = "i2c-DLGS7219:00",
+ .codec_dai_name = KBL_DIALOG_CODEC_DAI,
+ .init = kabylake_da7219_codec_init,
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ .ignore_pmdown_time = 1,
+ .be_hw_params_fixup = kabylake_ssp_fixup,
+ .dpcm_playback = 1,
+ .dpcm_capture = 1,
+ },
+ {
+ .name = "dmic01",
+ .id = 2,
+ .cpu_dai_name = "DMIC01 Pin",
+ .codec_name = "dmic-codec",
+ .codec_dai_name = "dmic-hifi",
+ .platform_name = "0000:00:1f.3",
+ .be_hw_params_fixup = kabylake_dmic_fixup,
+ .ignore_suspend = 1,
+ .dpcm_capture = 1,
+ .no_pcm = 1,
+ },
+ {
+ .name = "iDisp1",
+ .id = 3,
+ .cpu_dai_name = "iDisp1 Pin",
+ .codec_name = "ehdaudio0D2",
+ .codec_dai_name = "intel-hdmi-hifi1",
+ .platform_name = "0000:00:1f.3",
+ .dpcm_playback = 1,
+ .init = kabylake_hdmi1_init,
+ .no_pcm = 1,
+ },
+ {
+ .name = "iDisp2",
+ .id = 4,
+ .cpu_dai_name = "iDisp2 Pin",
+ .codec_name = "ehdaudio0D2",
+ .codec_dai_name = "intel-hdmi-hifi2",
+ .platform_name = "0000:00:1f.3",
+ .init = kabylake_hdmi2_init,
+ .dpcm_playback = 1,
+ .no_pcm = 1,
+ },
+ {
+ .name = "iDisp3",
+ .id = 5,
+ .cpu_dai_name = "iDisp3 Pin",
+ .codec_name = "ehdaudio0D2",
+ .codec_dai_name = "intel-hdmi-hifi3",
+ .platform_name = "0000:00:1f.3",
+ .init = kabylake_hdmi3_init,
+ .dpcm_playback = 1,
+ .no_pcm = 1,
+ },
+};
+
+#define NAME_SIZE 32
+static int kabylake_card_late_probe(struct snd_soc_card *card)
+{
+ struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(card);
+ struct kbl_hdmi_pcm *pcm;
+ struct snd_soc_codec *codec = NULL;
+ int err, i = 0;
+ char jack_name[NAME_SIZE];
+
+ list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
+ codec = pcm->codec_dai->codec;
+ snprintf(jack_name, sizeof(jack_name),
+ "HDMI/DP, pcm=%d Jack", pcm->device);
+ err = snd_soc_card_jack_new(card, jack_name,
+ SND_JACK_AVOUT, &skylake_hdmi[i],
+ NULL, 0);
+
+ if (err)
+ return err;
+
+ err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
+ &skylake_hdmi[i]);
+ if (err < 0)
+ return err;
+
+ i++;
+
+ }
+
+ if (!codec)
+ return -EINVAL;
+
+ return hdac_hdmi_jack_port_init(codec, &card->dapm);
+}
+
+/* kabylake audio machine driver for SPT + DA7219 */
+static struct snd_soc_card kabylake_audio_card_da7219_m98357a = {
+ .name = "kblda7219max",
+ .owner = THIS_MODULE,
+ .dai_link = kabylake_dais,
+ .num_links = ARRAY_SIZE(kabylake_dais),
+ .controls = kabylake_controls,
+ .num_controls = ARRAY_SIZE(kabylake_controls),
+ .dapm_widgets = kabylake_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(kabylake_widgets),
+ .dapm_routes = kabylake_map,
+ .num_dapm_routes = ARRAY_SIZE(kabylake_map),
+ .fully_routed = true,
+ .late_probe = kabylake_card_late_probe,
+};
+
+static int kabylake_audio_probe(struct platform_device *pdev)
+{
+ struct kbl_codec_private *ctx;
+
+ ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
+ if (!ctx)
+ return -ENOMEM;
+
+ INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
+
+ kabylake_audio_card =
+ (struct snd_soc_card *)pdev->id_entry->driver_data;
+
+ kabylake_audio_card->dev = &pdev->dev;
+ snd_soc_card_set_drvdata(kabylake_audio_card, ctx);
+ return devm_snd_soc_register_card(&pdev->dev, kabylake_audio_card);
+}
+
+static const struct platform_device_id kbl_board_ids[] = {
+ {
+ .name = "kbl_da7219_max98357a",
+ .driver_data =
+ (kernel_ulong_t)&kabylake_audio_card_da7219_m98357a,
+ },
+ { }
+};
+
+static struct platform_driver kabylake_audio = {
+ .probe = kabylake_audio_probe,
+ .driver = {
+ .name = "kbl_da7219_max98357a",
+ .pm = &snd_soc_pm_ops,
+ },
+ .id_table = kbl_board_ids,
+};
+
+module_platform_driver(kabylake_audio)
+
+/* Module information */
+MODULE_DESCRIPTION("Audio Machine driver-DA7219 & MAX98357A in I2S mode");
+MODULE_AUTHOR("Naveen Manohar <naveen.m@intel.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:kbl_da7219_max98357a");
projects / platform / kernel / linux-starfive.git / commitdiff