// SPDX-License-Identifier: GPL-2.0-only // Copyright(c) 2019-2020 Intel Corporation. /* * Intel SOF Machine Driver with Realtek rt5682 Codec * and speaker codec MAX98357A or RT1015. */ #include <linux/i2c.h> #include <linux/input.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/clk.h> #include <linux/dmi.h> #include <sound/core.h> #include <sound/jack.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/sof.h> #include <sound/rt5682.h> #include <sound/rt5682s.h> #include <sound/soc-acpi.h> #include "../../codecs/rt5682.h" #include "../../codecs/rt5682s.h" #include "../../codecs/rt5645.h" #include "../common/soc-intel-quirks.h" #include "sof_board_helpers.h" #include "sof_maxim_common.h" #include "sof_realtek_common.h" /* Driver-specific board quirks: from bit 0 to 7 */ #define SOF_RT5682_MCLK_EN … /* Default: MCLK on, MCLK 19.2M, SSP0 */ static unsigned long sof_rt5682_quirk = …; static int sof_rt5682_quirk_cb(const struct dmi_system_id *id) { … } static const struct dmi_system_id sof_rt5682_quirk_table[] = …; static struct snd_soc_jack_pin jack_pins[] = …; static int sof_rt5682_codec_init(struct snd_soc_pcm_runtime *rtd) { struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card); struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component; struct snd_soc_jack *jack = &ctx->headset_jack; int extra_jack_data; int ret, mclk_freq; if (ctx->rt5682.mclk_en) { mclk_freq = sof_dai_get_mclk(rtd); if (mclk_freq <= 0) { dev_err(rtd->dev, "invalid mclk freq %d\n", mclk_freq); return -EINVAL; } /* need to enable ASRC function for 24MHz mclk rate */ if (mclk_freq == 24000000) { dev_info(rtd->dev, "enable ASRC\n"); switch (ctx->codec_type) { case CODEC_RT5650: rt5645_sel_asrc_clk_src(component, RT5645_DA_STEREO_FILTER | RT5645_AD_STEREO_FILTER, RT5645_CLK_SEL_I2S1_ASRC); rt5645_sel_asrc_clk_src(component, RT5645_DA_MONO_L_FILTER | RT5645_DA_MONO_R_FILTER, RT5645_CLK_SEL_I2S2_ASRC); break; case CODEC_RT5682: rt5682_sel_asrc_clk_src(component, RT5682_DA_STEREO1_FILTER | RT5682_AD_STEREO1_FILTER, RT5682_CLK_SEL_I2S1_ASRC); break; case CODEC_RT5682S: rt5682s_sel_asrc_clk_src(component, RT5682S_DA_STEREO1_FILTER | RT5682S_AD_STEREO1_FILTER, RT5682S_CLK_SEL_I2S1_ASRC); break; default: dev_err(rtd->dev, "invalid codec type %d\n", ctx->codec_type); return -EINVAL; } } if (ctx->rt5682.is_legacy_cpu) { /* * The firmware might enable the clock at * boot (this information may or may not * be reflected in the enable clock register). * To change the rate we must disable the clock * first to cover these cases. Due to common * clock framework restrictions that do not allow * to disable a clock that has not been enabled, * we need to enable the clock first. */ ret = clk_prepare_enable(ctx->rt5682.mclk); if (!ret) clk_disable_unprepare(ctx->rt5682.mclk); ret = clk_set_rate(ctx->rt5682.mclk, 19200000); if (ret) dev_err(rtd->dev, "unable to set MCLK rate\n"); } } /* * Headset buttons map to the google Reference headset. * These can be configured by userspace. */ ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3, jack, jack_pins, ARRAY_SIZE(jack_pins)); if (ret) { dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret); return ret; } snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP); snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); if (ctx->codec_type == CODEC_RT5650) { extra_jack_data = SND_JACK_MICROPHONE | SND_JACK_BTN_0; ret = snd_soc_component_set_jack(component, jack, &extra_jack_data); } else ret = snd_soc_component_set_jack(component, jack, NULL); if (ret) { dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret); return ret; } return ret; }; static void sof_rt5682_codec_exit(struct snd_soc_pcm_runtime *rtd) { … } static int sof_rt5682_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { … } static const struct snd_soc_ops sof_rt5682_ops = …; static int sof_card_late_probe(struct snd_soc_card *card) { … } static const struct snd_kcontrol_new sof_controls[] = …; static const struct snd_soc_dapm_widget sof_widgets[] = …; static const struct snd_soc_dapm_route sof_map[] = …; static const struct snd_kcontrol_new rt5650_spk_kcontrols[] = …; static const struct snd_soc_dapm_widget rt5650_spk_widgets[] = …; static const struct snd_soc_dapm_route rt5650_spk_dapm_routes[] = …; static int rt5650_spk_init(struct snd_soc_pcm_runtime *rtd) { … } /* sof audio machine driver for rt5682 codec */ static struct snd_soc_card sof_audio_card_rt5682 = …; static struct snd_soc_dai_link_component rt5682_component[] = …; static struct snd_soc_dai_link_component rt5682s_component[] = …; static struct snd_soc_dai_link_component rt5650_components[] = …; static int sof_card_dai_links_create(struct device *dev, struct snd_soc_card *card, struct sof_card_private *ctx) { … } #define GLK_LINK_ORDER … static int sof_audio_probe(struct platform_device *pdev) { … } static const struct platform_device_id board_ids[] = …; MODULE_DEVICE_TABLE(platform, board_ids); static struct platform_driver sof_audio = …; module_platform_driver(…) … /* Module information */ MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …; MODULE_IMPORT_NS(…); MODULE_IMPORT_NS(…); MODULE_IMPORT_NS(…);
Codebase Browser
linux