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1// SPDX-License-Identifier: GPL-2.0-only2//3// Copyright(c) 2021-2022 Intel Corporation4//5// Authors: Cezary Rojewski <cezary.rojewski@intel.com>6// Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>7//8 9#include <linux/module.h>10#include <linux/platform_device.h>11#include <sound/core.h>12#include <sound/pcm.h>13#include <sound/pcm_params.h>14#include <sound/soc.h>15#include <sound/soc-acpi.h>16#include "../../../codecs/nau8825.h"17#include "../utils.h"18 19#define SKL_SSM_CODEC_DAI "ssm4567-hifi"20 21static struct snd_soc_codec_conf card_codec_conf[] = {22 {23 .dlc = COMP_CODEC_CONF("i2c-INT343B:00"),24 .name_prefix = "Left",25 },26 {27 .dlc = COMP_CODEC_CONF("i2c-INT343B:01"),28 .name_prefix = "Right",29 },30};31 32static const struct snd_kcontrol_new card_controls[] = {33 SOC_DAPM_PIN_SWITCH("Left Speaker"),34 SOC_DAPM_PIN_SWITCH("Right Speaker"),35};36 37static const struct snd_soc_dapm_widget card_widgets[] = {38 SND_SOC_DAPM_SPK("Left Speaker", NULL),39 SND_SOC_DAPM_SPK("Right Speaker", NULL),40};41 42static const struct snd_soc_dapm_route card_base_routes[] = {43 {"Left Speaker", NULL, "Left OUT"},44 {"Right Speaker", NULL, "Right OUT"},45};46 47static int avs_ssm4567_codec_init(struct snd_soc_pcm_runtime *runtime)48{49 int ret;50 51 /* Slot 1 for left */52 ret = snd_soc_dai_set_tdm_slot(snd_soc_rtd_to_codec(runtime, 0), 0x01, 0x01, 2, 48);53 if (ret < 0)54 return ret;55 56 /* Slot 2 for right */57 ret = snd_soc_dai_set_tdm_slot(snd_soc_rtd_to_codec(runtime, 1), 0x02, 0x02, 2, 48);58 if (ret < 0)59 return ret;60 61 return 0;62}63 64static int65avs_ssm4567_be_fixup(struct snd_soc_pcm_runtime *runrime, struct snd_pcm_hw_params *params)66{67 struct snd_interval *rate, *channels;68 struct snd_mask *fmt;69 70 rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);71 channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);72 fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);73 74 /* The ADSP will convert the FE rate to 48k, stereo */75 rate->min = rate->max = 48000;76 channels->min = channels->max = 2;77 78 /* set SSP0 to 24 bit */79 snd_mask_none(fmt);80 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);81 return 0;82}83 84static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,85 int tdm_slot, struct snd_soc_dai_link **dai_link)86{87 struct snd_soc_dai_link_component *platform;88 struct snd_soc_dai_link *dl;89 90 dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);91 platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);92 if (!dl || !platform)93 return -ENOMEM;94 95 platform->name = platform_name;96 97 dl->name = devm_kasprintf(dev, GFP_KERNEL,98 AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));99 dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);100 dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs) * 2, GFP_KERNEL);101 if (!dl->name || !dl->cpus || !dl->codecs)102 return -ENOMEM;103 104 dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,105 AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));106 dl->codecs[0].name = devm_kasprintf(dev, GFP_KERNEL, "i2c-INT343B:00");107 dl->codecs[0].dai_name = devm_kasprintf(dev, GFP_KERNEL, "ssm4567-hifi");108 dl->codecs[1].name = devm_kasprintf(dev, GFP_KERNEL, "i2c-INT343B:01");109 dl->codecs[1].dai_name = devm_kasprintf(dev, GFP_KERNEL, "ssm4567-hifi");110 if (!dl->cpus->dai_name || !dl->codecs[0].name || !dl->codecs[0].dai_name ||111 !dl->codecs[1].name || !dl->codecs[1].dai_name)112 return -ENOMEM;113 114 dl->num_cpus = 1;115 dl->num_codecs = 2;116 dl->platforms = platform;117 dl->num_platforms = 1;118 dl->id = 0;119 dl->dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_CBS_CFS;120 dl->init = avs_ssm4567_codec_init;121 dl->be_hw_params_fixup = avs_ssm4567_be_fixup;122 dl->nonatomic = 1;123 dl->no_pcm = 1;124 dl->dpcm_capture = 1;125 dl->dpcm_playback = 1;126 dl->ignore_pmdown_time = 1;127 128 *dai_link = dl;129 130 return 0;131}132 133static int avs_ssm4567_probe(struct platform_device *pdev)134{135 struct snd_soc_dai_link *dai_link;136 struct snd_soc_acpi_mach *mach;137 struct snd_soc_card *card;138 struct device *dev = &pdev->dev;139 const char *pname;140 int ssp_port, tdm_slot, ret;141 142 mach = dev_get_platdata(dev);143 pname = mach->mach_params.platform;144 145 ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot);146 if (ret)147 return ret;148 149 ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &dai_link);150 if (ret) {151 dev_err(dev, "Failed to create dai link: %d", ret);152 return ret;153 }154 155 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);156 if (!card)157 return -ENOMEM;158 159 card->name = "avs_ssm4567";160 card->dev = dev;161 card->owner = THIS_MODULE;162 card->dai_link = dai_link;163 card->num_links = 1;164 card->codec_conf = card_codec_conf;165 card->num_configs = ARRAY_SIZE(card_codec_conf);166 card->controls = card_controls;167 card->num_controls = ARRAY_SIZE(card_controls);168 card->dapm_widgets = card_widgets;169 card->num_dapm_widgets = ARRAY_SIZE(card_widgets);170 card->dapm_routes = card_base_routes;171 card->num_dapm_routes = ARRAY_SIZE(card_base_routes);172 card->fully_routed = true;173 174 ret = snd_soc_fixup_dai_links_platform_name(card, pname);175 if (ret)176 return ret;177 178 return devm_snd_soc_register_card(dev, card);179}180 181static const struct platform_device_id avs_ssm4567_driver_ids[] = {182 {183 .name = "avs_ssm4567",184 },185 {},186};187MODULE_DEVICE_TABLE(platform, avs_ssm4567_driver_ids);188 189static struct platform_driver avs_ssm4567_driver = {190 .probe = avs_ssm4567_probe,191 .driver = {192 .name = "avs_ssm4567",193 .pm = &snd_soc_pm_ops,194 },195 .id_table = avs_ssm4567_driver_ids,196};197 198module_platform_driver(avs_ssm4567_driver)199 200MODULE_DESCRIPTION("Intel ssm4567 machine driver");201MODULE_LICENSE("GPL");202