| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * Intel Broadwell Wildcatpoint SST Audio |
| * |
| * Copyright (C) 2013, Intel Corporation. All rights reserved. |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/platform_device.h> |
| #include <sound/core.h> |
| #include <sound/pcm.h> |
| #include <sound/soc.h> |
| #include <sound/jack.h> |
| #include <sound/pcm_params.h> |
| #include <sound/soc-acpi.h> |
| |
| #include "../../codecs/rt286.h" |
| |
| static struct snd_soc_jack broadwell_headset; |
| /* Headset jack detection DAPM pins */ |
| static struct snd_soc_jack_pin broadwell_headset_pins[] = { |
| { |
| .pin = "Mic Jack", |
| .mask = SND_JACK_MICROPHONE, |
| }, |
| { |
| .pin = "Headphone Jack", |
| .mask = SND_JACK_HEADPHONE, |
| }, |
| }; |
| |
| static const struct snd_kcontrol_new broadwell_controls[] = { |
| SOC_DAPM_PIN_SWITCH("Speaker"), |
| SOC_DAPM_PIN_SWITCH("Headphone Jack"), |
| }; |
| |
| static const struct snd_soc_dapm_widget broadwell_widgets[] = { |
| SND_SOC_DAPM_HP("Headphone Jack", NULL), |
| SND_SOC_DAPM_SPK("Speaker", NULL), |
| SND_SOC_DAPM_MIC("Mic Jack", NULL), |
| SND_SOC_DAPM_MIC("DMIC1", NULL), |
| SND_SOC_DAPM_MIC("DMIC2", NULL), |
| SND_SOC_DAPM_LINE("Line Jack", NULL), |
| }; |
| |
| static const struct snd_soc_dapm_route broadwell_rt286_map[] = { |
| |
| /* speaker */ |
| {"Speaker", NULL, "SPOR"}, |
| {"Speaker", NULL, "SPOL"}, |
| |
| /* HP jack connectors - unknown if we have jack deteck */ |
| {"Headphone Jack", NULL, "HPO Pin"}, |
| |
| /* other jacks */ |
| {"MIC1", NULL, "Mic Jack"}, |
| {"LINE1", NULL, "Line Jack"}, |
| |
| /* digital mics */ |
| {"DMIC1 Pin", NULL, "DMIC1"}, |
| {"DMIC2 Pin", NULL, "DMIC2"}, |
| |
| /* CODEC BE connections */ |
| {"SSP0 CODEC IN", NULL, "AIF1 Capture"}, |
| {"AIF1 Playback", NULL, "SSP0 CODEC OUT"}, |
| }; |
| |
| static int broadwell_rt286_codec_init(struct snd_soc_pcm_runtime *rtd) |
| { |
| struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component; |
| int ret = 0; |
| ret = snd_soc_card_jack_new_pins(rtd->card, "Headset", |
| SND_JACK_HEADSET | SND_JACK_BTN_0, &broadwell_headset, |
| broadwell_headset_pins, ARRAY_SIZE(broadwell_headset_pins)); |
| if (ret) |
| return ret; |
| |
| rt286_mic_detect(component, &broadwell_headset); |
| return 0; |
| } |
| |
| |
| static int broadwell_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); |
| |
| /* The ADSP will covert the FE rate to 48k, stereo */ |
| rate->min = rate->max = 48000; |
| chan->min = chan->max = 2; |
| |
| /* set SSP0 to 16 bit */ |
| params_set_format(params, SNDRV_PCM_FORMAT_S16_LE); |
| return 0; |
| } |
| |
| static int broadwell_rt286_hw_params(struct snd_pcm_substream *substream, |
| struct snd_pcm_hw_params *params) |
| { |
| struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); |
| struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); |
| int ret; |
| |
| ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000, |
| SND_SOC_CLOCK_IN); |
| |
| if (ret < 0) { |
| dev_err(rtd->dev, "can't set codec sysclk configuration\n"); |
| return ret; |
| } |
| |
| return ret; |
| } |
| |
| static const struct snd_soc_ops broadwell_rt286_ops = { |
| .hw_params = broadwell_rt286_hw_params, |
| }; |
| |
| static const unsigned int channels[] = { |
| 2, |
| }; |
| |
| static const struct snd_pcm_hw_constraint_list constraints_channels = { |
| .count = ARRAY_SIZE(channels), |
| .list = channels, |
| .mask = 0, |
| }; |
| |
| static int broadwell_fe_startup(struct snd_pcm_substream *substream) |
| { |
| struct snd_pcm_runtime *runtime = substream->runtime; |
| |
| /* Board supports stereo configuration only */ |
| runtime->hw.channels_max = 2; |
| return snd_pcm_hw_constraint_list(runtime, 0, |
| SNDRV_PCM_HW_PARAM_CHANNELS, |
| &constraints_channels); |
| } |
| |
| static const struct snd_soc_ops broadwell_fe_ops = { |
| .startup = broadwell_fe_startup, |
| }; |
| |
| SND_SOC_DAILINK_DEF(system, |
| DAILINK_COMP_ARRAY(COMP_CPU("System Pin"))); |
| |
| SND_SOC_DAILINK_DEF(offload0, |
| DAILINK_COMP_ARRAY(COMP_CPU("Offload0 Pin"))); |
| |
| SND_SOC_DAILINK_DEF(offload1, |
| DAILINK_COMP_ARRAY(COMP_CPU("Offload1 Pin"))); |
| |
| SND_SOC_DAILINK_DEF(loopback, |
| DAILINK_COMP_ARRAY(COMP_CPU("Loopback Pin"))); |
| |
| SND_SOC_DAILINK_DEF(dummy, |
| DAILINK_COMP_ARRAY(COMP_DUMMY())); |
| |
| SND_SOC_DAILINK_DEF(platform, |
| DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio"))); |
| |
| SND_SOC_DAILINK_DEF(codec, |
| DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00", "rt286-aif1"))); |
| |
| SND_SOC_DAILINK_DEF(ssp0_port, |
| DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port"))); |
| |
| /* broadwell digital audio interface glue - connects codec <--> CPU */ |
| static struct snd_soc_dai_link broadwell_rt286_dais[] = { |
| /* Front End DAI links */ |
| { |
| .name = "System PCM", |
| .stream_name = "System Playback/Capture", |
| .nonatomic = 1, |
| .dynamic = 1, |
| .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, |
| .ops = &broadwell_fe_ops, |
| .dpcm_playback = 1, |
| .dpcm_capture = 1, |
| SND_SOC_DAILINK_REG(system, dummy, platform), |
| }, |
| { |
| .name = "Offload0", |
| .stream_name = "Offload0 Playback", |
| .nonatomic = 1, |
| .dynamic = 1, |
| .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, |
| .dpcm_playback = 1, |
| SND_SOC_DAILINK_REG(offload0, dummy, platform), |
| }, |
| { |
| .name = "Offload1", |
| .stream_name = "Offload1 Playback", |
| .nonatomic = 1, |
| .dynamic = 1, |
| .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, |
| .dpcm_playback = 1, |
| SND_SOC_DAILINK_REG(offload1, dummy, platform), |
| }, |
| { |
| .name = "Loopback PCM", |
| .stream_name = "Loopback", |
| .nonatomic = 1, |
| .dynamic = 1, |
| .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, |
| .dpcm_capture = 1, |
| SND_SOC_DAILINK_REG(loopback, dummy, platform), |
| }, |
| /* Back End DAI links */ |
| { |
| /* SSP0 - Codec */ |
| .name = "Codec", |
| .id = 0, |
| .no_pcm = 1, |
| .init = broadwell_rt286_codec_init, |
| .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
| SND_SOC_DAIFMT_CBC_CFC, |
| .ignore_pmdown_time = 1, |
| .be_hw_params_fixup = broadwell_ssp0_fixup, |
| .ops = &broadwell_rt286_ops, |
| .dpcm_playback = 1, |
| .dpcm_capture = 1, |
| SND_SOC_DAILINK_REG(ssp0_port, codec, platform), |
| }, |
| }; |
| |
| static int broadwell_disable_jack(struct snd_soc_card *card) |
| { |
| struct snd_soc_component *component; |
| |
| for_each_card_components(card, component) { |
| if (!strcmp(component->name, "i2c-INT343A:00")) { |
| |
| dev_dbg(component->dev, "disabling jack detect before going to suspend.\n"); |
| rt286_mic_detect(component, NULL); |
| break; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int broadwell_suspend(struct snd_soc_card *card) |
| { |
| return broadwell_disable_jack(card); |
| } |
| |
| static int broadwell_resume(struct snd_soc_card *card){ |
| struct snd_soc_component *component; |
| |
| for_each_card_components(card, component) { |
| if (!strcmp(component->name, "i2c-INT343A:00")) { |
| |
| dev_dbg(component->dev, "enabling jack detect for resume.\n"); |
| rt286_mic_detect(component, &broadwell_headset); |
| break; |
| } |
| } |
| return 0; |
| } |
| |
| /* use space before codec name to simplify card ID, and simplify driver name */ |
| #define SOF_CARD_NAME "bdw rt286" /* card name will be 'sof-bdw rt286' */ |
| #define SOF_DRIVER_NAME "SOF" |
| |
| #define CARD_NAME "broadwell-rt286" |
| #define DRIVER_NAME NULL /* card name will be used for driver name */ |
| |
| /* broadwell audio machine driver for WPT + RT286S */ |
| static struct snd_soc_card broadwell_rt286 = { |
| .owner = THIS_MODULE, |
| .dai_link = broadwell_rt286_dais, |
| .num_links = ARRAY_SIZE(broadwell_rt286_dais), |
| .controls = broadwell_controls, |
| .num_controls = ARRAY_SIZE(broadwell_controls), |
| .dapm_widgets = broadwell_widgets, |
| .num_dapm_widgets = ARRAY_SIZE(broadwell_widgets), |
| .dapm_routes = broadwell_rt286_map, |
| .num_dapm_routes = ARRAY_SIZE(broadwell_rt286_map), |
| .fully_routed = true, |
| .suspend_pre = broadwell_suspend, |
| .resume_post = broadwell_resume, |
| }; |
| |
| static int broadwell_audio_probe(struct platform_device *pdev) |
| { |
| struct snd_soc_acpi_mach *mach; |
| int ret; |
| |
| broadwell_rt286.dev = &pdev->dev; |
| |
| /* override platform name, if required */ |
| mach = pdev->dev.platform_data; |
| ret = snd_soc_fixup_dai_links_platform_name(&broadwell_rt286, |
| mach->mach_params.platform); |
| if (ret) |
| return ret; |
| |
| /* set card and driver name */ |
| if (snd_soc_acpi_sof_parent(&pdev->dev)) { |
| broadwell_rt286.name = SOF_CARD_NAME; |
| broadwell_rt286.driver_name = SOF_DRIVER_NAME; |
| } else { |
| broadwell_rt286.name = CARD_NAME; |
| broadwell_rt286.driver_name = DRIVER_NAME; |
| } |
| |
| return devm_snd_soc_register_card(&pdev->dev, &broadwell_rt286); |
| } |
| |
| static int broadwell_audio_remove(struct platform_device *pdev) |
| { |
| struct snd_soc_card *card = platform_get_drvdata(pdev); |
| |
| return broadwell_disable_jack(card); |
| } |
| |
| static struct platform_driver broadwell_audio = { |
| .probe = broadwell_audio_probe, |
| .remove = broadwell_audio_remove, |
| .driver = { |
| .name = "broadwell-audio", |
| .pm = &snd_soc_pm_ops |
| }, |
| }; |
| |
| module_platform_driver(broadwell_audio) |
| |
| /* Module information */ |
| MODULE_AUTHOR("Liam Girdwood, Xingchao Wang"); |
| MODULE_DESCRIPTION("Intel SST Audio for WPT/Broadwell"); |
| MODULE_LICENSE("GPL v2"); |
| MODULE_ALIAS("platform:broadwell-audio"); |