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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/dmi.h>10#include <linux/module.h>11#include <sound/jack.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/rt298.h"17#include "../utils.h"18 19#define RT298_CODEC_DAI "rt298-aif1"20 21static const struct dmi_system_id kblr_dmi_table[] = {22 {23 .matches = {24 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),25 DMI_MATCH(DMI_BOARD_NAME, "Kabylake R DDR4 RVP"),26 },27 },28 {}29};30 31static const struct snd_kcontrol_new card_controls[] = {32 SOC_DAPM_PIN_SWITCH("Headphone Jack"),33 SOC_DAPM_PIN_SWITCH("Mic Jack"),34 SOC_DAPM_PIN_SWITCH("Speaker"),35};36 37static const struct snd_soc_dapm_widget card_widgets[] = {38 SND_SOC_DAPM_HP("Headphone Jack", NULL),39 SND_SOC_DAPM_MIC("Mic Jack", NULL),40 SND_SOC_DAPM_SPK("Speaker", NULL),41};42 43static const struct snd_soc_dapm_route card_base_routes[] = {44 /* HP jack connectors - unknown if we have jack detect */45 {"Headphone Jack", NULL, "HPO Pin"},46 {"MIC1", NULL, "Mic Jack"},47 48 {"Speaker", NULL, "SPOR"},49 {"Speaker", NULL, "SPOL"},50};51 52static const struct snd_soc_jack_pin card_headset_pins[] = {53 {54 .pin = "Headphone Jack",55 .mask = SND_JACK_HEADPHONE,56 },57 {58 .pin = "Mic Jack",59 .mask = SND_JACK_MICROPHONE,60 },61};62 63static int avs_rt298_codec_init(struct snd_soc_pcm_runtime *runtime)64{65 struct snd_soc_card *card = runtime->card;66 struct snd_soc_jack_pin *pins;67 struct snd_soc_jack *jack;68 int num_pins, ret;69 70 jack = snd_soc_card_get_drvdata(card);71 num_pins = ARRAY_SIZE(card_headset_pins);72 73 pins = devm_kmemdup(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL);74 if (!pins)75 return -ENOMEM;76 77 ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0,78 jack, pins, num_pins);79 if (ret)80 return ret;81 82 return snd_soc_component_set_jack(snd_soc_rtd_to_codec(runtime, 0)->component, jack, NULL);83}84 85static void avs_rt298_codec_exit(struct snd_soc_pcm_runtime *rtd)86{87 snd_soc_component_set_jack(snd_soc_rtd_to_codec(rtd, 0)->component, NULL, NULL);88}89 90static int avs_rt298_be_fixup(struct snd_soc_pcm_runtime *runtime, struct snd_pcm_hw_params *params)91{92 struct snd_interval *rate, *channels;93 struct snd_mask *fmt;94 95 rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);96 channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);97 fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);98 99 /* The ADSP will convert the FE rate to 48k, stereo */100 rate->min = rate->max = 48000;101 channels->min = channels->max = 2;102 103 /* set SSP0 to 24 bit */104 snd_mask_none(fmt);105 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);106 107 return 0;108}109 110static int111avs_rt298_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params)112{113 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);114 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);115 unsigned int clk_freq;116 int ret;117 118 if (dmi_first_match(kblr_dmi_table))119 clk_freq = 24000000;120 else121 clk_freq = 19200000;122 123 ret = snd_soc_dai_set_sysclk(codec_dai, RT298_SCLK_S_PLL, clk_freq, SND_SOC_CLOCK_IN);124 if (ret < 0)125 dev_err(rtd->dev, "Set codec sysclk failed: %d\n", ret);126 127 return ret;128}129 130static const struct snd_soc_ops avs_rt298_ops = {131 .hw_params = avs_rt298_hw_params,132};133 134static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,135 int tdm_slot, struct snd_soc_dai_link **dai_link)136{137 struct snd_soc_dai_link_component *platform;138 struct snd_soc_dai_link *dl;139 140 dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);141 platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);142 if (!dl || !platform)143 return -ENOMEM;144 145 platform->name = platform_name;146 147 dl->name = devm_kasprintf(dev, GFP_KERNEL,148 AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));149 dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);150 dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);151 if (!dl->name || !dl->cpus || !dl->codecs)152 return -ENOMEM;153 154 dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,155 AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));156 dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-INT343A:00");157 dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT298_CODEC_DAI);158 if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)159 return -ENOMEM;160 161 dl->num_cpus = 1;162 dl->num_codecs = 1;163 dl->platforms = platform;164 dl->num_platforms = 1;165 dl->id = 0;166 if (dmi_first_match(kblr_dmi_table))167 dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS;168 else169 dl->dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS;170 dl->init = avs_rt298_codec_init;171 dl->exit = avs_rt298_codec_exit;172 dl->be_hw_params_fixup = avs_rt298_be_fixup;173 dl->ops = &avs_rt298_ops;174 dl->nonatomic = 1;175 dl->no_pcm = 1;176 dl->dpcm_capture = 1;177 dl->dpcm_playback = 1;178 179 *dai_link = dl;180 181 return 0;182}183 184static int avs_card_suspend_pre(struct snd_soc_card *card)185{186 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT298_CODEC_DAI);187 188 return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);189}190 191static int avs_card_resume_post(struct snd_soc_card *card)192{193 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT298_CODEC_DAI);194 struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);195 196 return snd_soc_component_set_jack(codec_dai->component, jack, NULL);197}198 199static int avs_rt298_probe(struct platform_device *pdev)200{201 struct snd_soc_dai_link *dai_link;202 struct snd_soc_acpi_mach *mach;203 struct snd_soc_card *card;204 struct snd_soc_jack *jack;205 struct device *dev = &pdev->dev;206 const char *pname;207 int ssp_port, tdm_slot, ret;208 209 mach = dev_get_platdata(dev);210 pname = mach->mach_params.platform;211 212 ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot);213 if (ret)214 return ret;215 216 ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &dai_link);217 if (ret) {218 dev_err(dev, "Failed to create dai link: %d", ret);219 return ret;220 }221 222 jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL);223 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);224 if (!jack || !card)225 return -ENOMEM;226 227 card->name = "avs_rt298";228 card->dev = dev;229 card->owner = THIS_MODULE;230 card->suspend_pre = avs_card_suspend_pre;231 card->resume_post = avs_card_resume_post;232 card->dai_link = dai_link;233 card->num_links = 1;234 card->controls = card_controls;235 card->num_controls = ARRAY_SIZE(card_controls);236 card->dapm_widgets = card_widgets;237 card->num_dapm_widgets = ARRAY_SIZE(card_widgets);238 card->dapm_routes = card_base_routes;239 card->num_dapm_routes = ARRAY_SIZE(card_base_routes);240 card->fully_routed = true;241 snd_soc_card_set_drvdata(card, jack);242 243 ret = snd_soc_fixup_dai_links_platform_name(card, pname);244 if (ret)245 return ret;246 247 return devm_snd_soc_register_card(dev, card);248}249 250static const struct platform_device_id avs_rt298_driver_ids[] = {251 {252 .name = "avs_rt298",253 },254 {},255};256MODULE_DEVICE_TABLE(platform, avs_rt298_driver_ids);257 258static struct platform_driver avs_rt298_driver = {259 .probe = avs_rt298_probe,260 .driver = {261 .name = "avs_rt298",262 .pm = &snd_soc_pm_ops,263 },264 .id_table = avs_rt298_driver_ids,265};266 267module_platform_driver(avs_rt298_driver);268 269MODULE_DESCRIPTION("Intel rt298 machine driver");270MODULE_LICENSE("GPL");271