+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-// 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 *chan = 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;
- chan->min = chan->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 = snd_soc_rtd_to_codec(rtd, 0)->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 = 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_pins(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_pins(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 void kabylake_rt5660_codec_exit(struct snd_soc_pcm_runtime *rtd)
-{
- struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card);
-
- /*
- * The .exit() can be reached without going through the .init()
- * so explicitly test if the gpiod is valid
- */
- if (!IS_ERR_OR_NULL(ctx->gpio_lo_mute))
- gpiod_put(ctx->gpio_lo_mute);
-}
-
-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 = snd_soc_rtd_to_codec(rtd, 0);
- 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 = snd_soc_substream_to_rtd(substream);
- struct snd_soc_dai *codec_dai = snd_soc_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 const 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,
-};
-
-SND_SOC_DAILINK_DEF(dummy,
- DAILINK_COMP_ARRAY(COMP_DUMMY()));
-
-SND_SOC_DAILINK_DEF(system,
- DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
-
-SND_SOC_DAILINK_DEF(hdmi1,
- DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));
-
-SND_SOC_DAILINK_DEF(hdmi2,
- DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));
-
-SND_SOC_DAILINK_DEF(hdmi3,
- DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin")));
-
-SND_SOC_DAILINK_DEF(ssp0_pin,
- DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
-SND_SOC_DAILINK_DEF(ssp0_codec,
- DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC3277:00", KBL_RT5660_CODEC_DAI)));
-
-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(platform,
- DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
-
-/* 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",
- .dynamic = 1,
- .nonatomic = 1,
- .trigger = {
- SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
- .dpcm_playback = 1,
- .ops = &kabylake_rt5660_fe_ops,
- SND_SOC_DAILINK_REG(system, dummy, platform),
- },
- [KBL_DPCM_AUDIO_CP] = {
- .name = "Kbl Audio Capture Port",
- .stream_name = "Audio Record",
- .dynamic = 1,
- .nonatomic = 1,
- .trigger = {
- SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
- .dpcm_capture = 1,
- .ops = &kabylake_rt5660_fe_ops,
- SND_SOC_DAILINK_REG(system, dummy, platform),
- },
- [KBL_DPCM_AUDIO_HDMI1_PB] = {
- .name = "Kbl HDMI Port1",
- .stream_name = "Hdmi1",
- .dpcm_playback = 1,
- .init = NULL,
- .trigger = {
- SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
- .nonatomic = 1,
- .dynamic = 1,
- SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
- },
- [KBL_DPCM_AUDIO_HDMI2_PB] = {
- .name = "Kbl HDMI Port2",
- .stream_name = "Hdmi2",
- .dpcm_playback = 1,
- .init = NULL,
- .trigger = {
- SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
- .nonatomic = 1,
- .dynamic = 1,
- SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
- },
- [KBL_DPCM_AUDIO_HDMI3_PB] = {
- .name = "Kbl HDMI Port3",
- .stream_name = "Hdmi3",
- .trigger = {
- SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
- .dpcm_playback = 1,
- .init = NULL,
- .nonatomic = 1,
- .dynamic = 1,
- SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
- },
-
- /* Back End DAI links */
- {
- /* SSP0 - Codec */
- .name = "SSP0-Codec",
- .id = 0,
- .no_pcm = 1,
- .init = kabylake_rt5660_codec_init,
- .exit = kabylake_rt5660_codec_exit,
- .dai_fmt = SND_SOC_DAIFMT_I2S |
- SND_SOC_DAIFMT_NB_NF |
- SND_SOC_DAIFMT_CBC_CFC,
- .ignore_pmdown_time = 1,
- .be_hw_params_fixup = kabylake_ssp0_fixup,
- .ops = &kabylake_rt5660_ops,
- .dpcm_playback = 1,
- .dpcm_capture = 1,
- SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
- },
- {
- .name = "iDisp1",
- .id = 1,
- .dpcm_playback = 1,
- .init = kabylake_hdmi1_init,
- .no_pcm = 1,
- SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
- },
- {
- .name = "iDisp2",
- .id = 2,
- .init = kabylake_hdmi2_init,
- .dpcm_playback = 1,
- .no_pcm = 1,
- SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
- },
- {
- .name = "iDisp3",
- .id = 3,
- .init = kabylake_hdmi3_init,
- .dpcm_playback = 1,
- .no_pcm = 1,
- SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
- },
-};
-
-
-#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]);
-
- 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,
- .disable_route_checks = 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,
- },
- { }
-};
-MODULE_DEVICE_TABLE(platform, kbl_board_ids);
-
-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");
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