--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+// Copyright(c) 2018-19 Canonical Corporation.
+
+/*
+ * Intel Kabylake I2S Machine Driver with RT5660 Codec
+ *
+ * Modified from:
+ * Intel Kabylake I2S Machine driver supporting MAXIM98357a and
+ * DA7219 codecs
+ * Also referred to:
+ * Intel Broadwell I2S Machine driver supporting RT5677 codec
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/gpio/consumer.h>
+#include <linux/acpi.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/rt5660.h"
+
+#define KBL_RT5660_CODEC_DAI "rt5660-aif1"
+#define DUAL_CHANNEL 2
+
+static struct snd_soc_card *kabylake_audio_card;
+static struct snd_soc_jack skylake_hdmi[3];
+static struct snd_soc_jack lineout_jack;
+static struct snd_soc_jack mic_jack;
+
+struct kbl_hdmi_pcm {
+ struct list_head head;
+ struct snd_soc_dai *codec_dai;
+ int device;
+};
+
+struct kbl_codec_private {
+ struct gpio_desc *gpio_lo_mute;
+ struct list_head hdmi_pcm_list;
+};
+
+enum {
+ KBL_DPCM_AUDIO_PB = 0,
+ KBL_DPCM_AUDIO_CP,
+ KBL_DPCM_AUDIO_HDMI1_PB,
+ KBL_DPCM_AUDIO_HDMI2_PB,
+ KBL_DPCM_AUDIO_HDMI3_PB,
+};
+
+#define GPIO_LINEOUT_MUTE_INDEX 0
+#define GPIO_LINEOUT_DET_INDEX 3
+#define GPIO_LINEIN_DET_INDEX 4
+
+static const struct acpi_gpio_params lineout_mute_gpio = { GPIO_LINEOUT_MUTE_INDEX, 0, true };
+static const struct acpi_gpio_params lineout_det_gpio = { GPIO_LINEOUT_DET_INDEX, 0, false };
+static const struct acpi_gpio_params mic_det_gpio = { GPIO_LINEIN_DET_INDEX, 0, false };
+
+
+static const struct acpi_gpio_mapping acpi_rt5660_gpios[] = {
+ { "lineout-mute-gpios", &lineout_mute_gpio, 1 },
+ { "lineout-det-gpios", &lineout_det_gpio, 1 },
+ { "mic-det-gpios", &mic_det_gpio, 1 },
+ { NULL },
+};
+
+static struct snd_soc_jack_pin lineout_jack_pin = {
+ .pin = "Line Out",
+ .mask = SND_JACK_LINEOUT,
+};
+
+static struct snd_soc_jack_pin mic_jack_pin = {
+ .pin = "Line In",
+ .mask = SND_JACK_MICROPHONE,
+};
+
+static struct snd_soc_jack_gpio lineout_jack_gpio = {
+ .name = "lineout-det",
+ .report = SND_JACK_LINEOUT,
+ .debounce_time = 200,
+};
+
+static struct snd_soc_jack_gpio mic_jack_gpio = {
+ .name = "mic-det",
+ .report = SND_JACK_MICROPHONE,
+ .debounce_time = 200,
+};
+
+static int kabylake_5660_event_lineout(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ struct snd_soc_dapm_context *dapm = w->dapm;
+ struct kbl_codec_private *priv = snd_soc_card_get_drvdata(dapm->card);
+
+ gpiod_set_value_cansleep(priv->gpio_lo_mute,
+ !(SND_SOC_DAPM_EVENT_ON(event)));
+
+ return 0;
+}
+
+static const struct snd_kcontrol_new kabylake_rt5660_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Line In"),
+ SOC_DAPM_PIN_SWITCH("Line Out"),
+};
+
+static const struct snd_soc_dapm_widget kabylake_rt5660_widgets[] = {
+ SND_SOC_DAPM_MIC("Line In", NULL),
+ SND_SOC_DAPM_LINE("Line Out", kabylake_5660_event_lineout),
+};
+
+static const struct snd_soc_dapm_route kabylake_rt5660_map[] = {
+ /* other jacks */
+ {"IN1P", NULL, "Line In"},
+ {"IN2P", NULL, "Line In"},
+ {"Line Out", NULL, "LOUTR"},
+ {"Line Out", NULL, "LOUTL"},
+
+ /* CODEC BE connections */
+ { "AIF1 Playback", NULL, "ssp0 Tx"},
+ { "ssp0 Tx", NULL, "codec0_out"},
+
+ { "codec0_in", NULL, "ssp0 Rx" },
+ { "ssp0 Rx", NULL, "AIF1 Capture" },
+
+ { "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"},
+};
+
+static int kabylake_ssp0_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 SSP0 to 24 bit */
+ snd_mask_none(fmt);
+ snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
+
+ return 0;
+}
+
+static int kabylake_rt5660_codec_init(struct snd_soc_pcm_runtime *rtd)
+{
+ int ret;
+ struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card);
+ struct snd_soc_component *component = rtd->codec_dai->component;
+ struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
+
+ ret = devm_acpi_dev_add_driver_gpios(component->dev, acpi_rt5660_gpios);
+ if (ret)
+ dev_warn(component->dev, "Failed to add driver gpios\n");
+
+ /* Request rt5660 GPIO for lineout mute control, return if fails */
+ ctx->gpio_lo_mute = devm_gpiod_get(component->dev, "lineout-mute",
+ GPIOD_OUT_HIGH);
+ if (IS_ERR(ctx->gpio_lo_mute)) {
+ dev_err(component->dev, "Can't find GPIO_MUTE# gpio\n");
+ return PTR_ERR(ctx->gpio_lo_mute);
+ }
+
+ /* Create and initialize headphone jack, this jack is not mandatory, don't return if fails */
+ ret = snd_soc_card_jack_new(rtd->card, "Lineout Jack",
+ SND_JACK_LINEOUT, &lineout_jack,
+ &lineout_jack_pin, 1);
+ if (ret)
+ dev_warn(component->dev, "Can't create Lineout jack\n");
+ else {
+ lineout_jack_gpio.gpiod_dev = component->dev;
+ ret = snd_soc_jack_add_gpios(&lineout_jack, 1,
+ &lineout_jack_gpio);
+ if (ret)
+ dev_warn(component->dev, "Can't add Lineout jack gpio\n");
+ }
+
+ /* Create and initialize mic jack, this jack is not mandatory, don't return if fails */
+ ret = snd_soc_card_jack_new(rtd->card, "Mic Jack",
+ SND_JACK_MICROPHONE, &mic_jack,
+ &mic_jack_pin, 1);
+ if (ret)
+ dev_warn(component->dev, "Can't create mic jack\n");
+ else {
+ mic_jack_gpio.gpiod_dev = component->dev;
+ ret = snd_soc_jack_add_gpios(&mic_jack, 1, &mic_jack_gpio);
+ if (ret)
+ dev_warn(component->dev, "Can't add mic jack gpio\n");
+ }
+
+ /* Here we enable some dapms in advance to reduce the pop noise for recording via line-in */
+ snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1");
+ snd_soc_dapm_force_enable_pin(dapm, "BST1");
+ snd_soc_dapm_force_enable_pin(dapm, "BST2");
+
+ return 0;
+}
+
+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_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 = rtd->codec_dai;
+ 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 kabylake_rt5660_ops = {
+ .hw_params = kabylake_rt5660_hw_params,
+};
+
+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 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_rt5660_fe_ops = {
+ .startup = kbl_fe_startup,
+};
+
+/* kabylake digital audio interface glue - connects rt5660 codec <--> CPU */
+static struct snd_soc_dai_link kabylake_rt5660_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,
+ .trigger = {
+ SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+ .dpcm_playback = 1,
+ .ops = &kabylake_rt5660_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,
+ .ops = &kabylake_rt5660_fe_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 = "i2c-10EC3277:00",
+ .codec_dai_name = KBL_RT5660_CODEC_DAI,
+ .init = kabylake_rt5660_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_ssp0_fixup,
+ .ops = &kabylake_rt5660_ops,
+ .dpcm_playback = 1,
+ .dpcm_capture = 1,
+ },
+ {
+ .name = "iDisp1",
+ .id = 1,
+ .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 = 2,
+ .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 = 3,
+ .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_component *component = NULL;
+ int err, i = 0;
+ char jack_name[NAME_SIZE];
+
+ list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
+ component = pcm->codec_dai->component;
+ 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 (!component)
+ return -EINVAL;
+
+ return hdac_hdmi_jack_port_init(component, &card->dapm);
+}
+
+/* kabylake audio machine driver for rt5660 */
+static struct snd_soc_card kabylake_audio_card_rt5660 = {
+ .name = "kblrt5660",
+ .owner = THIS_MODULE,
+ .dai_link = kabylake_rt5660_dais,
+ .num_links = ARRAY_SIZE(kabylake_rt5660_dais),
+ .controls = kabylake_rt5660_controls,
+ .num_controls = ARRAY_SIZE(kabylake_rt5660_controls),
+ .dapm_widgets = kabylake_rt5660_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(kabylake_rt5660_widgets),
+ .dapm_routes = kabylake_rt5660_map,
+ .num_dapm_routes = ARRAY_SIZE(kabylake_rt5660_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_KERNEL);
+ 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_rt5660",
+ .driver_data =
+ (kernel_ulong_t)&kabylake_audio_card_rt5660,
+ },
+ { }
+};
+
+static struct platform_driver kabylake_audio = {
+ .probe = kabylake_audio_probe,
+ .driver = {
+ .name = "kbl_rt5660",
+ .pm = &snd_soc_pm_ops,
+ },
+ .id_table = kbl_board_ids,
+};
+
+module_platform_driver(kabylake_audio)
+
+/* Module information */
+MODULE_DESCRIPTION("Audio Machine driver-RT5660 in I2S mode");
+MODULE_AUTHOR("Hui Wang <hui.wang@canonical.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:kbl_rt5660");
projects / linux-2.6-block.git / commitdiff