forked from Minki/linux
636 lines
17 KiB
C
636 lines
17 KiB
C
// SPDX-License-Identifier: GPL-2.0
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// Copyright(c) 2019 Intel Corporation.
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/*
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* Intel SOF Machine Driver with Realtek rt5682 Codec
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* and speaker codec MAX98357A
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*/
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#include <linux/i2c.h>
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#include <linux/input.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/clk.h>
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#include <linux/dmi.h>
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#include <sound/core.h>
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#include <sound/jack.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <sound/rt5682.h>
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#include <sound/soc-acpi.h>
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#include "../../codecs/rt5682.h"
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#include "../../codecs/hdac_hdmi.h"
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#include "../common/soc-intel-quirks.h"
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#define NAME_SIZE 32
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#define SOF_RT5682_SSP_CODEC(quirk) ((quirk) & GENMASK(2, 0))
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#define SOF_RT5682_SSP_CODEC_MASK (GENMASK(2, 0))
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#define SOF_RT5682_MCLK_EN BIT(3)
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#define SOF_RT5682_MCLK_24MHZ BIT(4)
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#define SOF_SPEAKER_AMP_PRESENT BIT(5)
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#define SOF_RT5682_SSP_AMP_SHIFT 6
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#define SOF_RT5682_SSP_AMP_MASK (GENMASK(8, 6))
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#define SOF_RT5682_SSP_AMP(quirk) \
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(((quirk) << SOF_RT5682_SSP_AMP_SHIFT) & SOF_RT5682_SSP_AMP_MASK)
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#define SOF_RT5682_MCLK_BYTCHT_EN BIT(9)
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/* Default: MCLK on, MCLK 19.2M, SSP0 */
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static unsigned long sof_rt5682_quirk = SOF_RT5682_MCLK_EN |
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SOF_RT5682_SSP_CODEC(0);
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static int is_legacy_cpu;
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static struct snd_soc_jack sof_hdmi[3];
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struct sof_hdmi_pcm {
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struct list_head head;
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struct snd_soc_dai *codec_dai;
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int device;
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};
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struct sof_card_private {
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struct clk *mclk;
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struct snd_soc_jack sof_headset;
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struct list_head hdmi_pcm_list;
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};
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static int sof_rt5682_quirk_cb(const struct dmi_system_id *id)
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{
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sof_rt5682_quirk = (unsigned long)id->driver_data;
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return 1;
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}
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static const struct dmi_system_id sof_rt5682_quirk_table[] = {
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{
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.callback = sof_rt5682_quirk_cb,
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Circuitco"),
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DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Max"),
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},
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.driver_data = (void *)(SOF_RT5682_SSP_CODEC(2)),
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},
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{
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.callback = sof_rt5682_quirk_cb,
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
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DMI_MATCH(DMI_PRODUCT_NAME, "UP-CHT01"),
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},
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.driver_data = (void *)(SOF_RT5682_SSP_CODEC(2)),
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},
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{
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.callback = sof_rt5682_quirk_cb,
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
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DMI_MATCH(DMI_PRODUCT_NAME, "WhiskeyLake Client"),
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},
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.driver_data = (void *)(SOF_RT5682_MCLK_EN |
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SOF_RT5682_MCLK_24MHZ |
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SOF_RT5682_SSP_CODEC(1)),
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},
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{
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.callback = sof_rt5682_quirk_cb,
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Google"),
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DMI_MATCH(DMI_PRODUCT_NAME, "Hatch"),
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},
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.driver_data = (void *)(SOF_RT5682_MCLK_EN |
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SOF_RT5682_MCLK_24MHZ |
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SOF_RT5682_SSP_CODEC(0) |
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SOF_SPEAKER_AMP_PRESENT |
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SOF_RT5682_SSP_AMP(1)),
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},
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{
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.callback = sof_rt5682_quirk_cb,
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
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DMI_MATCH(DMI_PRODUCT_NAME, "Ice Lake Client"),
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},
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.driver_data = (void *)(SOF_RT5682_MCLK_EN |
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SOF_RT5682_SSP_CODEC(0)),
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},
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{}
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};
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static int sof_hdmi_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
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struct snd_soc_dai *dai = rtd->codec_dai;
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struct sof_hdmi_pcm *pcm;
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pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
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if (!pcm)
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return -ENOMEM;
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/* dai_link id is 1:1 mapped to the PCM device */
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pcm->device = rtd->dai_link->id;
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pcm->codec_dai = dai;
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list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
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return 0;
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}
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static int sof_rt5682_codec_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
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struct snd_soc_component *component = rtd->codec_dai->component;
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struct snd_soc_jack *jack;
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int ret;
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/* need to enable ASRC function for 24MHz mclk rate */
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if ((sof_rt5682_quirk & SOF_RT5682_MCLK_EN) &&
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(sof_rt5682_quirk & SOF_RT5682_MCLK_24MHZ)) {
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rt5682_sel_asrc_clk_src(component, RT5682_DA_STEREO1_FILTER |
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RT5682_AD_STEREO1_FILTER,
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RT5682_CLK_SEL_I2S1_ASRC);
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}
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if (sof_rt5682_quirk & SOF_RT5682_MCLK_BYTCHT_EN) {
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/*
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* The firmware might enable the clock at
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* boot (this information may or may not
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* be reflected in the enable clock register).
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* To change the rate we must disable the clock
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* first to cover these cases. Due to common
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* clock framework restrictions that do not allow
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* to disable a clock that has not been enabled,
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* we need to enable the clock first.
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*/
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ret = clk_prepare_enable(ctx->mclk);
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if (!ret)
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clk_disable_unprepare(ctx->mclk);
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ret = clk_set_rate(ctx->mclk, 19200000);
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if (ret)
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dev_err(rtd->dev, "unable to set MCLK rate\n");
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}
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/*
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* Headset buttons map to the google Reference headset.
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* These can be configured by userspace.
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*/
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ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
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SND_JACK_HEADSET | SND_JACK_BTN_0 |
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SND_JACK_BTN_1 | SND_JACK_BTN_2 |
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SND_JACK_BTN_3,
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&ctx->sof_headset, NULL, 0);
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if (ret) {
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dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
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return ret;
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}
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jack = &ctx->sof_headset;
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snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
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snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
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snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
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snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
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ret = snd_soc_component_set_jack(component, jack, NULL);
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if (ret) {
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dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
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return ret;
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}
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return ret;
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};
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static int sof_rt5682_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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int clk_id, clk_freq, pll_out, ret;
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if (sof_rt5682_quirk & SOF_RT5682_MCLK_EN) {
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if (sof_rt5682_quirk & SOF_RT5682_MCLK_BYTCHT_EN) {
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ret = clk_prepare_enable(ctx->mclk);
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if (ret < 0) {
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dev_err(rtd->dev,
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"could not configure MCLK state");
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return ret;
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}
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}
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clk_id = RT5682_PLL1_S_MCLK;
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if (sof_rt5682_quirk & SOF_RT5682_MCLK_24MHZ)
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clk_freq = 24000000;
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else
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clk_freq = 19200000;
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} else {
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clk_id = RT5682_PLL1_S_BCLK1;
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clk_freq = params_rate(params) * 50;
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}
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pll_out = params_rate(params) * 512;
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ret = snd_soc_dai_set_pll(codec_dai, 0, clk_id, clk_freq, pll_out);
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if (ret < 0)
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dev_err(rtd->dev, "snd_soc_dai_set_pll err = %d\n", ret);
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/* Configure sysclk for codec */
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ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL1,
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pll_out, SND_SOC_CLOCK_IN);
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if (ret < 0)
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dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
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/*
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* slot_width should equal or large than data length, set them
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* be the same
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*/
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ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x0, 0x0, 2,
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params_width(params));
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if (ret < 0) {
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dev_err(rtd->dev, "set TDM slot err:%d\n", ret);
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return ret;
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}
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return ret;
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}
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static struct snd_soc_ops sof_rt5682_ops = {
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.hw_params = sof_rt5682_hw_params,
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};
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static struct snd_soc_dai_link_component platform_component[] = {
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{
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/* name might be overridden during probe */
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.name = "0000:00:1f.3"
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}
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};
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static int sof_card_late_probe(struct snd_soc_card *card)
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{
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struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
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struct snd_soc_component *component = NULL;
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char jack_name[NAME_SIZE];
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struct sof_hdmi_pcm *pcm;
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int err = 0;
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int i = 0;
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/* HDMI is not supported by SOF on Baytrail/CherryTrail */
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if (is_legacy_cpu)
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return 0;
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list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
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component = pcm->codec_dai->component;
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snprintf(jack_name, sizeof(jack_name),
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"HDMI/DP, pcm=%d Jack", pcm->device);
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err = snd_soc_card_jack_new(card, jack_name,
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SND_JACK_AVOUT, &sof_hdmi[i],
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NULL, 0);
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if (err)
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return err;
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err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
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&sof_hdmi[i]);
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if (err < 0)
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return err;
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i++;
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}
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if (!component)
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return -EINVAL;
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return hdac_hdmi_jack_port_init(component, &card->dapm);
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}
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static const struct snd_kcontrol_new sof_controls[] = {
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SOC_DAPM_PIN_SWITCH("Headphone Jack"),
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SOC_DAPM_PIN_SWITCH("Headset Mic"),
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SOC_DAPM_PIN_SWITCH("Spk"),
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};
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static const struct snd_soc_dapm_widget sof_widgets[] = {
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SND_SOC_DAPM_HP("Headphone Jack", NULL),
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SND_SOC_DAPM_MIC("Headset Mic", NULL),
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SND_SOC_DAPM_SPK("Spk", NULL),
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};
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static const struct snd_soc_dapm_route sof_map[] = {
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/* HP jack connectors - unknown if we have jack detection */
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{ "Headphone Jack", NULL, "HPOL" },
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{ "Headphone Jack", NULL, "HPOR" },
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/* other jacks */
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{ "IN1P", NULL, "Headset Mic" },
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};
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static const struct snd_soc_dapm_route speaker_map[] = {
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/* speaker */
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{ "Spk", NULL, "Speaker" },
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};
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static int speaker_codec_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_card *card = rtd->card;
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int ret;
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ret = snd_soc_dapm_add_routes(&card->dapm, speaker_map,
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ARRAY_SIZE(speaker_map));
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if (ret)
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dev_err(rtd->dev, "Speaker map addition failed: %d\n", ret);
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return ret;
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}
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/* sof audio machine driver for rt5682 codec */
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static struct snd_soc_card sof_audio_card_rt5682 = {
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.name = "sof_rt5682",
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.owner = THIS_MODULE,
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.controls = sof_controls,
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.num_controls = ARRAY_SIZE(sof_controls),
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.dapm_widgets = sof_widgets,
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.num_dapm_widgets = ARRAY_SIZE(sof_widgets),
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.dapm_routes = sof_map,
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.num_dapm_routes = ARRAY_SIZE(sof_map),
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.fully_routed = true,
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.late_probe = sof_card_late_probe,
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};
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static struct snd_soc_dai_link_component rt5682_component[] = {
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{
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.name = "i2c-10EC5682:00",
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.dai_name = "rt5682-aif1",
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}
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};
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static struct snd_soc_dai_link_component dmic_component[] = {
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{
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.name = "dmic-codec",
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.dai_name = "dmic-hifi",
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}
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};
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static struct snd_soc_dai_link_component max98357a_component[] = {
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{
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.name = "MX98357A:00",
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.dai_name = "HiFi",
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}
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};
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static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
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int ssp_codec,
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int ssp_amp,
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int dmic_be_num,
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int hdmi_num)
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{
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struct snd_soc_dai_link_component *idisp_components;
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struct snd_soc_dai_link_component *cpus;
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struct snd_soc_dai_link *links;
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int i, id = 0;
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links = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link) *
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sof_audio_card_rt5682.num_links, GFP_KERNEL);
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cpus = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link_component) *
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sof_audio_card_rt5682.num_links, GFP_KERNEL);
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if (!links || !cpus)
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goto devm_err;
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/* codec SSP */
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links[id].name = devm_kasprintf(dev, GFP_KERNEL,
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"SSP%d-Codec", ssp_codec);
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if (!links[id].name)
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goto devm_err;
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links[id].id = id;
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links[id].codecs = rt5682_component;
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links[id].num_codecs = ARRAY_SIZE(rt5682_component);
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links[id].platforms = platform_component;
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links[id].num_platforms = ARRAY_SIZE(platform_component);
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links[id].init = sof_rt5682_codec_init;
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links[id].ops = &sof_rt5682_ops;
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links[id].nonatomic = true;
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links[id].dpcm_playback = 1;
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links[id].dpcm_capture = 1;
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links[id].no_pcm = 1;
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links[id].cpus = &cpus[id];
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links[id].num_cpus = 1;
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if (is_legacy_cpu) {
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links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
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"ssp%d-port",
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ssp_codec);
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if (!links[id].cpus->dai_name)
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goto devm_err;
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} else {
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/*
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* Currently, On SKL+ platforms MCLK will be turned off in sof
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* runtime suspended, and it will go into runtime suspended
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* right after playback is stop. However, rt5682 will output
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* static noise if sysclk turns off during playback. Set
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* ignore_pmdown_time to power down rt5682 immediately and
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* avoid the noise.
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* It can be removed once we can control MCLK by driver.
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*/
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links[id].ignore_pmdown_time = 1;
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links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
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"SSP%d Pin",
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ssp_codec);
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if (!links[id].cpus->dai_name)
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goto devm_err;
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}
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id++;
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/* dmic */
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if (dmic_be_num > 0) {
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/* at least we have dmic01 */
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links[id].name = "dmic01";
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links[id].cpus = &cpus[id];
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links[id].cpus->dai_name = "DMIC01 Pin";
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if (dmic_be_num > 1) {
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/* set up 2 BE links at most */
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links[id + 1].name = "dmic16k";
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links[id + 1].cpus = &cpus[id + 1];
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links[id + 1].cpus->dai_name = "DMIC16k Pin";
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dmic_be_num = 2;
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}
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}
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for (i = 0; i < dmic_be_num; i++) {
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links[id].id = id;
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links[id].num_cpus = 1;
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links[id].codecs = dmic_component;
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links[id].num_codecs = ARRAY_SIZE(dmic_component);
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links[id].platforms = platform_component;
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links[id].num_platforms = ARRAY_SIZE(platform_component);
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links[id].ignore_suspend = 1;
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links[id].dpcm_capture = 1;
|
|
links[id].no_pcm = 1;
|
|
id++;
|
|
}
|
|
|
|
/* HDMI */
|
|
if (hdmi_num > 0) {
|
|
idisp_components = devm_kzalloc(dev,
|
|
sizeof(struct snd_soc_dai_link_component) *
|
|
hdmi_num, GFP_KERNEL);
|
|
if (!idisp_components)
|
|
goto devm_err;
|
|
}
|
|
for (i = 1; i <= hdmi_num; i++) {
|
|
links[id].name = devm_kasprintf(dev, GFP_KERNEL,
|
|
"iDisp%d", i);
|
|
if (!links[id].name)
|
|
goto devm_err;
|
|
|
|
links[id].id = id;
|
|
links[id].cpus = &cpus[id];
|
|
links[id].num_cpus = 1;
|
|
links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
|
|
"iDisp%d Pin", i);
|
|
if (!links[id].cpus->dai_name)
|
|
goto devm_err;
|
|
|
|
idisp_components[i - 1].name = "ehdaudio0D2";
|
|
idisp_components[i - 1].dai_name = devm_kasprintf(dev,
|
|
GFP_KERNEL,
|
|
"intel-hdmi-hifi%d",
|
|
i);
|
|
if (!idisp_components[i - 1].dai_name)
|
|
goto devm_err;
|
|
|
|
links[id].codecs = &idisp_components[i - 1];
|
|
links[id].num_codecs = 1;
|
|
links[id].platforms = platform_component;
|
|
links[id].num_platforms = ARRAY_SIZE(platform_component);
|
|
links[id].init = sof_hdmi_init;
|
|
links[id].dpcm_playback = 1;
|
|
links[id].no_pcm = 1;
|
|
id++;
|
|
}
|
|
|
|
/* speaker amp */
|
|
if (sof_rt5682_quirk & SOF_SPEAKER_AMP_PRESENT) {
|
|
links[id].name = devm_kasprintf(dev, GFP_KERNEL,
|
|
"SSP%d-Codec", ssp_amp);
|
|
if (!links[id].name)
|
|
goto devm_err;
|
|
|
|
links[id].id = id;
|
|
links[id].codecs = max98357a_component;
|
|
links[id].num_codecs = ARRAY_SIZE(max98357a_component);
|
|
links[id].platforms = platform_component;
|
|
links[id].num_platforms = ARRAY_SIZE(platform_component);
|
|
links[id].init = speaker_codec_init,
|
|
links[id].nonatomic = true;
|
|
links[id].dpcm_playback = 1;
|
|
links[id].no_pcm = 1;
|
|
links[id].cpus = &cpus[id];
|
|
links[id].num_cpus = 1;
|
|
if (is_legacy_cpu) {
|
|
links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
|
|
"ssp%d-port",
|
|
ssp_amp);
|
|
if (!links[id].cpus->dai_name)
|
|
goto devm_err;
|
|
|
|
} else {
|
|
links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
|
|
"SSP%d Pin",
|
|
ssp_amp);
|
|
if (!links[id].cpus->dai_name)
|
|
goto devm_err;
|
|
}
|
|
}
|
|
|
|
return links;
|
|
devm_err:
|
|
return NULL;
|
|
}
|
|
|
|
static int sof_audio_probe(struct platform_device *pdev)
|
|
{
|
|
struct snd_soc_dai_link *dai_links;
|
|
struct snd_soc_acpi_mach *mach;
|
|
struct sof_card_private *ctx;
|
|
int dmic_be_num, hdmi_num;
|
|
int ret, ssp_amp, ssp_codec;
|
|
|
|
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
|
|
if (!ctx)
|
|
return -ENOMEM;
|
|
|
|
if (soc_intel_is_byt() || soc_intel_is_cht()) {
|
|
is_legacy_cpu = 1;
|
|
dmic_be_num = 0;
|
|
hdmi_num = 0;
|
|
/* default quirk for legacy cpu */
|
|
sof_rt5682_quirk = SOF_RT5682_MCLK_EN |
|
|
SOF_RT5682_MCLK_BYTCHT_EN |
|
|
SOF_RT5682_SSP_CODEC(2);
|
|
} else {
|
|
dmic_be_num = 2;
|
|
hdmi_num = 3;
|
|
}
|
|
|
|
dmi_check_system(sof_rt5682_quirk_table);
|
|
|
|
/* need to get main clock from pmc */
|
|
if (sof_rt5682_quirk & SOF_RT5682_MCLK_BYTCHT_EN) {
|
|
ctx->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
|
|
ret = clk_prepare_enable(ctx->mclk);
|
|
if (ret < 0) {
|
|
dev_err(&pdev->dev,
|
|
"could not configure MCLK state");
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
dev_dbg(&pdev->dev, "sof_rt5682_quirk = %lx\n", sof_rt5682_quirk);
|
|
|
|
ssp_amp = (sof_rt5682_quirk & SOF_RT5682_SSP_AMP_MASK) >>
|
|
SOF_RT5682_SSP_AMP_SHIFT;
|
|
|
|
ssp_codec = sof_rt5682_quirk & SOF_RT5682_SSP_CODEC_MASK;
|
|
|
|
/* compute number of dai links */
|
|
sof_audio_card_rt5682.num_links = 1 + dmic_be_num + hdmi_num;
|
|
|
|
if (sof_rt5682_quirk & SOF_SPEAKER_AMP_PRESENT)
|
|
sof_audio_card_rt5682.num_links++;
|
|
|
|
dai_links = sof_card_dai_links_create(&pdev->dev, ssp_codec, ssp_amp,
|
|
dmic_be_num, hdmi_num);
|
|
if (!dai_links)
|
|
return -ENOMEM;
|
|
|
|
sof_audio_card_rt5682.dai_link = dai_links;
|
|
|
|
INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
|
|
|
|
sof_audio_card_rt5682.dev = &pdev->dev;
|
|
mach = (&pdev->dev)->platform_data;
|
|
|
|
/* set platform name for each dailink */
|
|
ret = snd_soc_fixup_dai_links_platform_name(&sof_audio_card_rt5682,
|
|
mach->mach_params.platform);
|
|
if (ret)
|
|
return ret;
|
|
|
|
snd_soc_card_set_drvdata(&sof_audio_card_rt5682, ctx);
|
|
|
|
return devm_snd_soc_register_card(&pdev->dev,
|
|
&sof_audio_card_rt5682);
|
|
}
|
|
|
|
static struct platform_driver sof_audio = {
|
|
.probe = sof_audio_probe,
|
|
.driver = {
|
|
.name = "sof_rt5682",
|
|
.pm = &snd_soc_pm_ops,
|
|
},
|
|
};
|
|
module_platform_driver(sof_audio)
|
|
|
|
/* Module information */
|
|
MODULE_DESCRIPTION("SOF Audio Machine driver");
|
|
MODULE_AUTHOR("Bard Liao <bard.liao@intel.com>");
|
|
MODULE_AUTHOR("Sathya Prakash M R <sathya.prakash.m.r@intel.com>");
|
|
MODULE_LICENSE("GPL v2");
|
|
MODULE_ALIAS("platform:sof_rt5682");
|