| // 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 *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 = 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, |
| }; |
| |
| 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, |
| .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, |
| 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], |
| 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"); |