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1// SPDX-License-Identifier: GPL-2.0-only2//3// Copyright(c) 2021-2023 Intel Corporation4//5// Authors: Cezary Rojewski <cezary.rojewski@intel.com>6// Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>7//8 9#include <linux/clk.h>10#include <linux/input.h>11#include <linux/module.h>12#include <sound/jack.h>13#include <sound/pcm.h>14#include <sound/pcm_params.h>15#include <sound/soc.h>16#include <sound/soc-acpi.h>17#include "../../../codecs/rt5514.h"18#include "../utils.h"19 20#define RT5514_CODEC_DAI "rt5514-aif1"21 22static const struct snd_soc_dapm_widget card_widgets[] = {23 SND_SOC_DAPM_MIC("DMIC", NULL),24};25 26static const struct snd_soc_dapm_route card_base_routes[] = {27 /* DMIC */28 { "DMIC1L", NULL, "DMIC" },29 { "DMIC1R", NULL, "DMIC" },30 { "DMIC2L", NULL, "DMIC" },31 { "DMIC2R", NULL, "DMIC" },32};33 34static int avs_rt5514_codec_init(struct snd_soc_pcm_runtime *runtime)35{36 int ret = snd_soc_dapm_ignore_suspend(&runtime->card->dapm, "DMIC");37 38 if (ret)39 dev_err(runtime->dev, "DMIC - Ignore suspend failed = %d\n", ret);40 41 return ret;42}43 44static int avs_rt5514_be_fixup(struct snd_soc_pcm_runtime *runtime,45 struct snd_pcm_hw_params *params)46{47 struct snd_interval *rate, *channels;48 struct snd_mask *fmt;49 50 rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);51 channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);52 fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);53 54 rate->min = rate->max = 48000;55 channels->min = channels->max = 4;56 57 snd_mask_none(fmt);58 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);59 60 return 0;61}62 63static int avs_rt5514_hw_params(struct snd_pcm_substream *substream,64 struct snd_pcm_hw_params *params)65{66 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);67 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);68 int ret;69 70 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xF, 0, 8, 16);71 if (ret < 0) {72 dev_err(rtd->dev, "set TDM slot err:%d\n", ret);73 return ret;74 }75 76 ret = snd_soc_dai_set_sysclk(codec_dai, RT5514_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);77 if (ret < 0)78 dev_err(rtd->dev, "set sysclk err: %d\n", ret);79 80 return ret;81}82 83static const struct snd_soc_ops avs_rt5514_ops = {84 .hw_params = avs_rt5514_hw_params,85};86 87static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,88 int tdm_slot, struct snd_soc_dai_link **dai_link)89{90 struct snd_soc_dai_link_component *platform;91 struct snd_soc_dai_link *dl;92 93 dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);94 platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);95 if (!dl || !platform)96 return -ENOMEM;97 98 platform->name = platform_name;99 100 dl->name = devm_kasprintf(dev, GFP_KERNEL,101 AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));102 dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);103 dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);104 if (!dl->name || !dl->cpus || !dl->codecs)105 return -ENOMEM;106 107 dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,108 AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));109 dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-10EC5514:00");110 dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT5514_CODEC_DAI);111 if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)112 return -ENOMEM;113 114 dl->num_cpus = 1;115 dl->num_codecs = 1;116 dl->platforms = platform;117 dl->num_platforms = 1;118 dl->id = 0;119 dl->dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS;120 dl->init = avs_rt5514_codec_init;121 dl->be_hw_params_fixup = avs_rt5514_be_fixup;122 dl->nonatomic = 1;123 dl->no_pcm = 1;124 dl->dpcm_capture = 1;125 dl->ops = &avs_rt5514_ops;126 127 *dai_link = dl;128 129 return 0;130}131 132static int avs_rt5514_probe(struct platform_device *pdev)133{134 struct snd_soc_dai_link *dai_link;135 struct snd_soc_acpi_mach *mach;136 struct snd_soc_card *card;137 struct device *dev = &pdev->dev;138 const char *pname;139 int ssp_port, tdm_slot, ret;140 141 mach = dev_get_platdata(dev);142 pname = mach->mach_params.platform;143 144 ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot);145 if (ret)146 return ret;147 148 ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &dai_link);149 if (ret) {150 dev_err(dev, "Failed to create dai link: %d", ret);151 return ret;152 }153 154 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);155 if (!card)156 return -ENOMEM;157 158 card->name = "avs_rt5514";159 card->dev = dev;160 card->owner = THIS_MODULE;161 card->dai_link = dai_link;162 card->num_links = 1;163 card->dapm_widgets = card_widgets;164 card->num_dapm_widgets = ARRAY_SIZE(card_widgets);165 card->dapm_routes = card_base_routes;166 card->num_dapm_routes = ARRAY_SIZE(card_base_routes);167 card->fully_routed = true;168 169 ret = snd_soc_fixup_dai_links_platform_name(card, pname);170 if (ret)171 return ret;172 173 return devm_snd_soc_register_card(dev, card);174}175 176static const struct platform_device_id avs_rt5514_driver_ids[] = {177 {178 .name = "avs_rt5514",179 },180 {},181};182MODULE_DEVICE_TABLE(platform, avs_rt5514_driver_ids);183 184static struct platform_driver avs_rt5514_driver = {185 .probe = avs_rt5514_probe,186 .driver = {187 .name = "avs_rt5514",188 .pm = &snd_soc_pm_ops,189 },190 .id_table = avs_rt5514_driver_ids,191};192 193module_platform_driver(avs_rt5514_driver);194 195MODULE_DESCRIPTION("Intel rt5514 machine driver");196MODULE_LICENSE("GPL");197