--- /dev/null
+/*
+ * Intel Broxton-P I2S Machine Driver
+ *
+ * Copyright (C) 2016, Intel Corporation. All rights reserved.
+ *
+ * Modified from:
+ * Intel Skylake I2S Machine driver
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License 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/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/hdac_hdmi.h"
+#include "../../codecs/da7219.h"
+#include "../../codecs/da7219-aad.h"
+
+#define BXT_DIALOG_CODEC_DAI "da7219-hifi"
+#define BXT_MAXIM_CODEC_DAI "HiFi"
+#define DUAL_CHANNEL 2
+
+static struct snd_soc_jack broxton_headset;
+
+enum {
+ BXT_DPCM_AUDIO_PB = 0,
+ BXT_DPCM_AUDIO_CP,
+ BXT_DPCM_AUDIO_REF_CP,
+ BXT_DPCM_AUDIO_HDMI1_PB,
+ BXT_DPCM_AUDIO_HDMI2_PB,
+ BXT_DPCM_AUDIO_HDMI3_PB,
+};
+
+static const struct snd_kcontrol_new broxton_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 broxton_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("HDMI1", NULL),
+ SND_SOC_DAPM_SPK("HDMI2", NULL),
+ SND_SOC_DAPM_SPK("HDMI3", NULL),
+};
+
+static const struct snd_soc_dapm_route broxton_map[] = {
+ /* HP jack connectors - unknown if we have jack detection */
+ {"Headphone Jack", NULL, "HPL"},
+ {"Headphone Jack", NULL, "HPR"},
+
+ /* speaker */
+ {"Spk", NULL, "Speaker"},
+
+ /* other jacks */
+ {"MIC", NULL, "Headset Mic"},
+
+ /* digital mics */
+ {"DMic", NULL, "SoC DMIC"},
+
+ /* CODEC BE connections */
+ {"HiFi Playback", NULL, "ssp5 Tx"},
+ {"ssp5 Tx", NULL, "codec0_out"},
+
+ {"Playback", NULL, "ssp1 Tx"},
+ {"ssp1 Tx", NULL, "codec1_out"},
+
+ {"codec0_in", NULL, "ssp1 Rx"},
+ {"ssp1 Rx", NULL, "Capture"},
+
+ {"HDMI1", NULL, "hif5 Output"},
+ {"HDMI2", NULL, "hif6 Output"},
+ {"HDMI3", NULL, "hif7 Output"},
+
+ {"hifi3", NULL, "iDisp3 Tx"},
+ {"iDisp3 Tx", NULL, "iDisp3_out"},
+ {"hifi2", NULL, "iDisp2 Tx"},
+ {"iDisp2 Tx", NULL, "iDisp2_out"},
+ {"hifi1", NULL, "iDisp1 Tx"},
+ {"iDisp1 Tx", NULL, "iDisp1_out"},
+
+ /* DMIC */
+ {"dmic01_hifi", NULL, "DMIC01 Rx"},
+ {"DMIC01 Rx", NULL, "DMIC AIF"},
+};
+
+static int broxton_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 broxton_da7219_codec_init(struct snd_soc_pcm_runtime *rtd)
+{
+ int ret;
+ struct snd_soc_codec *codec = rtd->codec;
+
+ /*
+ * Headset buttons map to the google Reference headset.
+ * These can be configured by userspace.
+ */
+ ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
+ SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+ SND_JACK_BTN_2 | SND_JACK_BTN_3, &broxton_headset,
+ NULL, 0);
+ if (ret) {
+ dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
+ return ret;
+ }
+
+ da7219_aad_jack_det(codec, &broxton_headset);
+
+ snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
+
+ return ret;
+}
+
+static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_dai *dai = rtd->codec_dai;
+
+ return hdac_hdmi_jack_init(dai, BXT_DPCM_AUDIO_HDMI1_PB + dai->id);
+}
+
+static int broxton_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 unsigned int rates[] = {
+ 48000,
+};
+
+static struct snd_pcm_hw_constraint_list constraints_rates = {
+ .count = ARRAY_SIZE(rates),
+ .list = rates,
+ .mask = 0,
+};
+
+static unsigned int channels[] = {
+ DUAL_CHANNEL,
+};
+
+static struct snd_pcm_hw_constraint_list constraints_channels = {
+ .count = ARRAY_SIZE(channels),
+ .list = channels,
+ .mask = 0,
+};
+
+static int bxt_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 broxton_da7219_fe_ops = {
+ .startup = bxt_fe_startup,
+};
+
+static int broxton_da7219_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 = rtd->codec_dai;
+ int ret;
+
+ ret = snd_soc_dai_set_sysclk(codec_dai,
+ DA7219_CLKSRC_MCLK, 19200000, SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ dev_err(codec_dai->dev, "can't set codec sysclk configuration\n");
+
+ ret = snd_soc_dai_set_pll(codec_dai, 0,
+ DA7219_SYSCLK_PLL_SRM, 0, DA7219_PLL_FREQ_OUT_98304);
+ if (ret < 0) {
+ dev_err(codec_dai->dev, "failed to start PLL: %d\n", ret);
+ return -EIO;
+ }
+
+ return ret;
+}
+
+static int broxton_da7219_hw_free(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ int ret;
+
+ ret = snd_soc_dai_set_pll(codec_dai, 0,
+ DA7219_SYSCLK_MCLK, 0, 0);
+ if (ret < 0) {
+ dev_err(codec_dai->dev, "failed to stop PLL: %d\n", ret);
+ return -EIO;
+ }
+
+ return ret;
+}
+
+static struct snd_soc_ops broxton_da7219_ops = {
+ .hw_params = broxton_da7219_hw_params,
+ .hw_free = broxton_da7219_hw_free,
+};
+
+/* broxton digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link broxton_dais[] = {
+ /* Front End DAI links */
+ [BXT_DPCM_AUDIO_PB]
+ {
+ .name = "Bxt Audio Port",
+ .stream_name = "Audio",
+ .cpu_dai_name = "System Pin",
+ .platform_name = "0000:00:0e.0",
+ .dynamic = 1,
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .nonatomic = 1,
+ .init = broxton_da7219_fe_init,
+ .trigger = {
+ SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+ .dpcm_playback = 1,
+ .ops = &broxton_da7219_fe_ops,
+ },
+ [BXT_DPCM_AUDIO_CP]
+ {
+ .name = "Bxt Audio Capture Port",
+ .stream_name = "Audio Record",
+ .cpu_dai_name = "System Pin",
+ .platform_name = "0000:00:0e.0",
+ .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,
+ .ops = &broxton_da7219_fe_ops,
+ },
+ [BXT_DPCM_AUDIO_REF_CP]
+ {
+ .name = "Bxt Audio Reference cap",
+ .stream_name = "Refcap",
+ .cpu_dai_name = "Reference Pin",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .platform_name = "0000:00:0e.0",
+ .init = NULL,
+ .dpcm_capture = 1,
+ .ignore_suspend = 1,
+ .nonatomic = 1,
+ .dynamic = 1,
+ },
+ [BXT_DPCM_AUDIO_HDMI1_PB]
+ {
+ .name = "Bxt HDMI Port1",
+ .stream_name = "Hdmi1",
+ .cpu_dai_name = "HDMI1 Pin",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .platform_name = "0000:00:0e.0",
+ .dpcm_playback = 1,
+ .init = NULL,
+ .nonatomic = 1,
+ .dynamic = 1,
+ },
+ [BXT_DPCM_AUDIO_HDMI2_PB]
+ {
+ .name = "Bxt HDMI Port2",
+ .stream_name = "Hdmi2",
+ .cpu_dai_name = "HDMI2 Pin",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .platform_name = "0000:00:0e.0",
+ .dpcm_playback = 1,
+ .init = NULL,
+ .nonatomic = 1,
+ .dynamic = 1,
+ },
+ [BXT_DPCM_AUDIO_HDMI3_PB]
+ {
+ .name = "Bxt HDMI Port3",
+ .stream_name = "Hdmi3",
+ .cpu_dai_name = "HDMI3 Pin",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .platform_name = "0000:00:0e.0",
+ .dpcm_playback = 1,
+ .init = NULL,
+ .nonatomic = 1,
+ .dynamic = 1,
+ },
+ /* Back End DAI links */
+ {
+ /* SSP5 - Codec */
+ .name = "SSP5-Codec",
+ .id = 0,
+ .cpu_dai_name = "SSP5 Pin",
+ .platform_name = "0000:00:0e.0",
+ .no_pcm = 1,
+ .codec_name = "MX98357A:00",
+ .codec_dai_name = BXT_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 = broxton_ssp_fixup,
+ .dpcm_playback = 1,
+ },
+ {
+ /* SSP1 - Codec */
+ .name = "SSP1-Codec",
+ .id = 1,
+ .cpu_dai_name = "SSP1 Pin",
+ .platform_name = "0000:00:0e.0",
+ .no_pcm = 1,
+ .codec_name = "i2c-DLGS7219:00",
+ .codec_dai_name = BXT_DIALOG_CODEC_DAI,
+ .init = broxton_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 = broxton_ssp_fixup,
+ .ops = &broxton_da7219_ops,
+ .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 = "0000:00:0e.0",
+ .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 = "0000:00:0e.0",
+ .init = broxton_hdmi_init,
+ .dpcm_playback = 1,
+ .no_pcm = 1,
+ },
+ {
+ .name = "iDisp2",
+ .id = 4,
+ .cpu_dai_name = "iDisp2 Pin",
+ .codec_name = "ehdaudio0D2",
+ .codec_dai_name = "intel-hdmi-hifi2",
+ .platform_name = "0000:00:0e.0",
+ .init = broxton_hdmi_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 = "0000:00:0e.0",
+ .init = broxton_hdmi_init,
+ .dpcm_playback = 1,
+ .no_pcm = 1,
+ },
+};
+
+/* broxton audio machine driver for SPT + da7219 */
+static struct snd_soc_card broxton_audio_card = {
+ .name = "bxtda7219max",
+ .owner = THIS_MODULE,
+ .dai_link = broxton_dais,
+ .num_links = ARRAY_SIZE(broxton_dais),
+ .controls = broxton_controls,
+ .num_controls = ARRAY_SIZE(broxton_controls),
+ .dapm_widgets = broxton_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(broxton_widgets),
+ .dapm_routes = broxton_map,
+ .num_dapm_routes = ARRAY_SIZE(broxton_map),
+ .fully_routed = true,
+};
+
+static int broxton_audio_probe(struct platform_device *pdev)
+{
+ broxton_audio_card.dev = &pdev->dev;
+ return devm_snd_soc_register_card(&pdev->dev, &broxton_audio_card);
+}
+
+static struct platform_driver broxton_audio = {
+ .probe = broxton_audio_probe,
+ .driver = {
+ .name = "bxt_da7219_max98357a_i2s",
+ .pm = &snd_soc_pm_ops,
+ },
+};
+module_platform_driver(broxton_audio)
+
+/* Module information */
+MODULE_DESCRIPTION("Audio Machine driver-DA7219 & MAX98357A in I2S mode");
+MODULE_AUTHOR("Sathyanarayana Nujella <sathyanarayana.nujella@intel.com>");
+MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com>");
+MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
+MODULE_AUTHOR("Conrad Cooke <conrad.cooke@intel.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:bxt_da7219_max98357a_i2s");
projects / linux-beck.git / commitdiff