| // SPDX-License-Identifier: GPL-2.0-only |
| // |
| // Copyright(c) 2021-2022 Intel Corporation |
| // |
| // Authors: Cezary Rojewski <cezary.rojewski@intel.com> |
| // Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com> |
| // |
| |
| #include <linux/module.h> |
| #include <linux/platform_device.h> |
| #include <sound/core.h> |
| #include <sound/pcm.h> |
| #include <sound/pcm_params.h> |
| #include <sound/soc.h> |
| #include <sound/soc-acpi.h> |
| #include "../../../codecs/nau8825.h" |
| #include "../utils.h" |
| |
| #define SKL_SSM_CODEC_DAI "ssm4567-hifi" |
| |
| static struct snd_soc_codec_conf card_codec_conf[] = { |
| { |
| .dlc = COMP_CODEC_CONF("i2c-INT343B:00"), |
| .name_prefix = "Left", |
| }, |
| { |
| .dlc = COMP_CODEC_CONF("i2c-INT343B:01"), |
| .name_prefix = "Right", |
| }, |
| }; |
| |
| static const struct snd_kcontrol_new card_controls[] = { |
| SOC_DAPM_PIN_SWITCH("Left Speaker"), |
| SOC_DAPM_PIN_SWITCH("Right Speaker"), |
| }; |
| |
| static const struct snd_soc_dapm_widget card_widgets[] = { |
| SND_SOC_DAPM_SPK("Left Speaker", NULL), |
| SND_SOC_DAPM_SPK("Right Speaker", NULL), |
| }; |
| |
| static const struct snd_soc_dapm_route card_base_routes[] = { |
| {"Left Speaker", NULL, "Left OUT"}, |
| {"Right Speaker", NULL, "Right OUT"}, |
| }; |
| |
| static int avs_ssm4567_codec_init(struct snd_soc_pcm_runtime *runtime) |
| { |
| int ret; |
| |
| /* Slot 1 for left */ |
| ret = snd_soc_dai_set_tdm_slot(snd_soc_rtd_to_codec(runtime, 0), 0x01, 0x01, 2, 48); |
| if (ret < 0) |
| return ret; |
| |
| /* Slot 2 for right */ |
| ret = snd_soc_dai_set_tdm_slot(snd_soc_rtd_to_codec(runtime, 1), 0x02, 0x02, 2, 48); |
| if (ret < 0) |
| return ret; |
| |
| return 0; |
| } |
| |
| static int |
| avs_ssm4567_be_fixup(struct snd_soc_pcm_runtime *runrime, struct snd_pcm_hw_params *params) |
| { |
| struct snd_interval *rate, *channels; |
| struct snd_mask *fmt; |
| |
| rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); |
| channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); |
| 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 = 2; |
| |
| /* set SSP0 to 24 bit */ |
| snd_mask_none(fmt); |
| snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE); |
| return 0; |
| } |
| |
| static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port, |
| int tdm_slot, struct snd_soc_dai_link **dai_link) |
| { |
| struct snd_soc_dai_link_component *platform; |
| struct snd_soc_dai_link *dl; |
| |
| dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL); |
| platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL); |
| if (!dl || !platform) |
| return -ENOMEM; |
| |
| platform->name = platform_name; |
| |
| dl->name = devm_kasprintf(dev, GFP_KERNEL, |
| AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot)); |
| dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL); |
| dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs) * 2, GFP_KERNEL); |
| if (!dl->name || !dl->cpus || !dl->codecs) |
| return -ENOMEM; |
| |
| dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, |
| AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot)); |
| dl->codecs[0].name = devm_kasprintf(dev, GFP_KERNEL, "i2c-INT343B:00"); |
| dl->codecs[0].dai_name = devm_kasprintf(dev, GFP_KERNEL, "ssm4567-hifi"); |
| dl->codecs[1].name = devm_kasprintf(dev, GFP_KERNEL, "i2c-INT343B:01"); |
| dl->codecs[1].dai_name = devm_kasprintf(dev, GFP_KERNEL, "ssm4567-hifi"); |
| if (!dl->cpus->dai_name || !dl->codecs[0].name || !dl->codecs[0].dai_name || |
| !dl->codecs[1].name || !dl->codecs[1].dai_name) |
| return -ENOMEM; |
| |
| dl->num_cpus = 1; |
| dl->num_codecs = 2; |
| dl->platforms = platform; |
| dl->num_platforms = 1; |
| dl->id = 0; |
| dl->dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_CBS_CFS; |
| dl->init = avs_ssm4567_codec_init; |
| dl->be_hw_params_fixup = avs_ssm4567_be_fixup; |
| dl->nonatomic = 1; |
| dl->no_pcm = 1; |
| dl->dpcm_capture = 1; |
| dl->dpcm_playback = 1; |
| dl->ignore_pmdown_time = 1; |
| |
| *dai_link = dl; |
| |
| return 0; |
| } |
| |
| static int avs_ssm4567_probe(struct platform_device *pdev) |
| { |
| struct snd_soc_dai_link *dai_link; |
| struct snd_soc_acpi_mach *mach; |
| struct snd_soc_card *card; |
| struct device *dev = &pdev->dev; |
| const char *pname; |
| int ssp_port, tdm_slot, ret; |
| |
| mach = dev_get_platdata(dev); |
| pname = mach->mach_params.platform; |
| |
| ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot); |
| if (ret) |
| return ret; |
| |
| ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &dai_link); |
| if (ret) { |
| dev_err(dev, "Failed to create dai link: %d", ret); |
| return ret; |
| } |
| |
| card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); |
| if (!card) |
| return -ENOMEM; |
| |
| card->name = "avs_ssm4567"; |
| card->dev = dev; |
| card->owner = THIS_MODULE; |
| card->dai_link = dai_link; |
| card->num_links = 1; |
| card->codec_conf = card_codec_conf; |
| card->num_configs = ARRAY_SIZE(card_codec_conf); |
| card->controls = card_controls; |
| card->num_controls = ARRAY_SIZE(card_controls); |
| card->dapm_widgets = card_widgets; |
| card->num_dapm_widgets = ARRAY_SIZE(card_widgets); |
| card->dapm_routes = card_base_routes; |
| card->num_dapm_routes = ARRAY_SIZE(card_base_routes); |
| card->fully_routed = true; |
| |
| ret = snd_soc_fixup_dai_links_platform_name(card, pname); |
| if (ret) |
| return ret; |
| |
| return devm_snd_soc_register_card(dev, card); |
| } |
| |
| static const struct platform_device_id avs_ssm4567_driver_ids[] = { |
| { |
| .name = "avs_ssm4567", |
| }, |
| {}, |
| }; |
| MODULE_DEVICE_TABLE(platform, avs_ssm4567_driver_ids); |
| |
| static struct platform_driver avs_ssm4567_driver = { |
| .probe = avs_ssm4567_probe, |
| .driver = { |
| .name = "avs_ssm4567", |
| .pm = &snd_soc_pm_ops, |
| }, |
| .id_table = avs_ssm4567_driver_ids, |
| }; |
| |
| module_platform_driver(avs_ssm4567_driver) |
| |
| MODULE_DESCRIPTION("Intel ssm4567 machine driver"); |
| MODULE_LICENSE("GPL"); |