// SPDX-License-Identifier: GPL-2.0-only
// Copyright(c) 2018-2020 Intel Corporation.
/*
* Intel SOF Machine Driver for Intel platforms with TI PCM512x codec,
* e.g. Up or Up2 with Hifiberry DAC+ HAT
*/
#include <linux/clk.h>
#include <linux/dmi.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/types.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include "../../codecs/pcm512x.h"
#include "../common/soc-intel-quirks.h"
#include "hda_dsp_common.h"
#define NAME_SIZE 32
#define SOF_PCM512X_SSP_CODEC(quirk) ((quirk) & GENMASK(3, 0))
#define SOF_PCM512X_SSP_CODEC_MASK (GENMASK(3, 0))
#define SOF_PCM512X_ENABLE_SSP_CAPTURE BIT(4)
#define SOF_PCM512X_ENABLE_DMIC BIT(5)
#define IDISP_CODEC_MASK 0x4
/* Default: SSP5 */
static unsigned long sof_pcm512x_quirk =
SOF_PCM512X_SSP_CODEC(5) |
SOF_PCM512X_ENABLE_SSP_CAPTURE |
SOF_PCM512X_ENABLE_DMIC;
static bool is_legacy_cpu;
struct sof_hdmi_pcm {
struct list_head head;
struct snd_soc_dai *codec_dai;
int device;
};
struct sof_card_private {
struct list_head hdmi_pcm_list;
bool idisp_codec;
};
static int sof_pcm512x_quirk_cb(const struct dmi_system_id *id)
{
sof_pcm512x_quirk = (unsigned long)id->driver_data;
return 1;
}
static const struct dmi_system_id sof_pcm512x_quirk_table[] = {
{
.callback = sof_pcm512x_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
DMI_MATCH(DMI_PRODUCT_NAME, "UP-CHT01"),
},
.driver_data = (void *)(SOF_PCM512X_SSP_CODEC(2)),
},
{}
};
static int sof_hdmi_init(struct snd_soc_pcm_runtime *rtd)
{
struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_dai *dai = snd_soc_rtd_to_codec(rtd, 0);
struct sof_hdmi_pcm *pcm;
pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
if (!pcm)
return -ENOMEM;
/* dai_link id is 1:1 mapped to the PCM device */
pcm->device = rtd->dai_link->id;
pcm->codec_dai = dai;
list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
return 0;
}
static int sof_pcm512x_codec_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_component *codec = snd_soc_rtd_to_codec(rtd, 0)->component;
snd_soc_component_update_bits(codec, PCM512x_GPIO_EN, 0x08, 0x08);
snd_soc_component_update_bits(codec, PCM512x_GPIO_OUTPUT_4, 0x0f, 0x02);
snd_soc_component_update_bits(codec, PCM512x_GPIO_CONTROL_1,
0x08, 0x08);
return 0;
}
static int aif1_startup(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct snd_soc_component *codec = snd_soc_rtd_to_codec(rtd, 0)->component;
snd_soc_component_update_bits(codec, PCM512x_GPIO_CONTROL_1,
0x08, 0x08);
return 0;
}
static void aif1_shutdown(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct snd_soc_component *codec = snd_soc_rtd_to_codec(rtd, 0)->component;
snd_soc_component_update_bits(codec, PCM512x_GPIO_CONTROL_1,
0x08, 0x00);
}
static const struct snd_soc_ops sof_pcm512x_ops = {
.startup = aif1_startup,
.shutdown = aif1_shutdown,
};
static struct snd_soc_dai_link_component platform_component[] = {
{
/* name might be overridden during probe */
.name = "0000:00:1f.3"
}
};
static int sof_card_late_probe(struct snd_soc_card *card)
{
struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
struct sof_hdmi_pcm *pcm;
/* HDMI is not supported by SOF on Baytrail/CherryTrail */
if (is_legacy_cpu)
return 0;
if (list_empty(&ctx->hdmi_pcm_list))
return -EINVAL;
if (!ctx->idisp_codec)
return 0;
pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm, head);
return hda_dsp_hdmi_build_controls(card, pcm->codec_dai->component);
}
static const struct snd_kcontrol_new sof_controls[] = {
SOC_DAPM_PIN_SWITCH("Ext Spk"),
};
static const struct snd_soc_dapm_widget sof_widgets[] = {
SND_SOC_DAPM_SPK("Ext Spk", NULL),
};
static const struct snd_soc_dapm_widget dmic_widgets[] = {
SND_SOC_DAPM_MIC("SoC DMIC", NULL),
};
static const struct snd_soc_dapm_route sof_map[] = {
/* Speaker */
{"Ext Spk", NULL, "OUTR"},
{"Ext Spk", NULL, "OUTL"},
};
static const struct snd_soc_dapm_route dmic_map[] = {
/* digital mics */
{"DMic", NULL, "SoC DMIC"},
};
static int dmic_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_card *card = rtd->card;
int ret;
ret = snd_soc_dapm_new_controls(&card->dapm, dmic_widgets,
ARRAY_SIZE(dmic_widgets));
if (ret) {
dev_err(card->dev, "DMic widget addition failed: %d\n", ret);
/* Don't need to add routes if widget addition failed */
return ret;
}
ret = snd_soc_dapm_add_routes(&card->dapm, dmic_map,
ARRAY_SIZE(dmic_map));
if (ret)
dev_err(card->dev, "DMic map addition failed: %d\n", ret);
return ret;
}
/* sof audio machine driver for pcm512x codec */
static struct snd_soc_card sof_audio_card_pcm512x = {
.name = "pcm512x",
.owner = THIS_MODULE,
.controls = sof_controls,
.num_controls = ARRAY_SIZE(sof_controls),
.dapm_widgets = sof_widgets,
.num_dapm_widgets = ARRAY_SIZE(sof_widgets),
.dapm_routes = sof_map,
.num_dapm_routes = ARRAY_SIZE(sof_map),
.fully_routed = true,
.late_probe = sof_card_late_probe,
};
SND_SOC_DAILINK_DEF(pcm512x_component,
DAILINK_COMP_ARRAY(COMP_CODEC("i2c-104C5122:00", "pcm512x-hifi")));
SND_SOC_DAILINK_DEF(dmic_component,
DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
int ssp_codec,
int dmic_be_num,
int hdmi_num,
bool idisp_codec)
{
struct snd_soc_dai_link_component *idisp_components;
struct snd_soc_dai_link_component *cpus;
struct snd_soc_dai_link *links;
int i, id = 0;
links = devm_kcalloc(dev, sof_audio_card_pcm512x.num_links,
sizeof(struct snd_soc_dai_link), GFP_KERNEL);
cpus = devm_kcalloc(dev, sof_audio_card_pcm512x.num_links,
sizeof(struct snd_soc_dai_link_component), GFP_KERNEL);
if (!links || !cpus)
goto devm_err;
/* codec SSP */
links[id].name = devm_kasprintf(dev, GFP_KERNEL,
"SSP%d-Codec", ssp_codec);
if (!links[id].name)
goto devm_err;
links[id].id = id;
links[id].codecs = pcm512x_component;
links[id].num_codecs = ARRAY_SIZE(pcm512x_component);
links[id].platforms = platform_component;
links[id].num_platforms = ARRAY_SIZE(platform_component);
links[id].init = sof_pcm512x_codec_init;
links[id].ops = &sof_pcm512x_ops;
links[id].dpcm_playback = 1;
/*
* capture only supported with specific versions of the Hifiberry DAC+
*/
if (sof_pcm512x_quirk & SOF_PCM512X_ENABLE_SSP_CAPTURE)
links[id].dpcm_capture = 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_codec);
if (!links[id].cpus->dai_name)
goto devm_err;
} else {
links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
"SSP%d Pin",
ssp_codec);
if (!links[id].cpus->dai_name)
goto devm_err;
}
id++;
/* dmic */
if (dmic_be_num > 0) {
/* at least we have dmic01 */
links[id].name = "dmic01";
links[id].cpus = &cpus[id];
links[id].cpus->dai_name = "DMIC01 Pin";
links[id].init = dmic_init;
if (dmic_be_num > 1) {
/* set up 2 BE links at most */
links[id + 1].name = "dmic16k";
links[id + 1].cpus = &cpus[id + 1];
links[id + 1].cpus->dai_name = "DMIC16k Pin";
dmic_be_num = 2;
}
}
for (i = 0; i < dmic_be_num; i++) {
links[id].id = id;
links[id].num_cpus = 1;
links[id].codecs = dmic_component;
links[id].num_codecs = ARRAY_SIZE(dmic_component);
links[id].platforms = platform_component;
links[id].num_platforms = ARRAY_SIZE(platform_component);
links[id].ignore_suspend = 1;
links[id].dpcm_capture = 1;
links[id].no_pcm = 1;
id++;
}
/* HDMI */
if (hdmi_num > 0) {
idisp_components = devm_kcalloc(dev, hdmi_num,
sizeof(struct snd_soc_dai_link_component),
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;
/*
* topology cannot be loaded if codec is missing, so
* use the dummy codec if needed
*/
if (idisp_codec) {
idisp_components[i - 1].name = "ehdaudio0D2";
idisp_components[i - 1].dai_name =
devm_kasprintf(dev, GFP_KERNEL,
"intel-hdmi-hifi%d", i);
} else {
idisp_components[i - 1] = snd_soc_dummy_dlc;
}
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++;
}
return links;
devm_err:
return NULL;
}
static int sof_audio_probe(struct platform_device *pdev)
{
struct snd_soc_acpi_mach *mach = pdev->dev.platform_data;
struct snd_soc_dai_link *dai_links;
struct sof_card_private *ctx;
int dmic_be_num, hdmi_num;
int ret, ssp_codec;
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
hdmi_num = 0;
if (soc_intel_is_byt() || soc_intel_is_cht()) {
is_legacy_cpu = true;
dmic_be_num = 0;
/* default quirk for legacy cpu */
sof_pcm512x_quirk = SOF_PCM512X_SSP_CODEC(2);
} else {
dmic_be_num = 2;
if (mach->mach_params.codec_mask & IDISP_CODEC_MASK)
ctx->idisp_codec = true;
/* links are always present in topology */
hdmi_num = 3;
}
dmi_check_system(sof_pcm512x_quirk_table);
dev_dbg(&pdev->dev, "sof_pcm512x_quirk = %lx\n", sof_pcm512x_quirk);
ssp_codec = sof_pcm512x_quirk & SOF_PCM512X_SSP_CODEC_MASK;
if (!(sof_pcm512x_quirk & SOF_PCM512X_ENABLE_DMIC))
dmic_be_num = 0;
/* compute number of dai links */
sof_audio_card_pcm512x.num_links = 1 + dmic_be_num + hdmi_num;
dai_links = sof_card_dai_links_create(&pdev->dev, ssp_codec,
dmic_be_num, hdmi_num,
ctx->idisp_codec);
if (!dai_links)
return -ENOMEM;
sof_audio_card_pcm512x.dai_link = dai_links;
INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
sof_audio_card_pcm512x.dev = &pdev->dev;
/* set platform name for each dailink */
ret = snd_soc_fixup_dai_links_platform_name(&sof_audio_card_pcm512x,
mach->mach_params.platform);
if (ret)
return ret;
snd_soc_card_set_drvdata(&sof_audio_card_pcm512x, ctx);
return devm_snd_soc_register_card(&pdev->dev,
&sof_audio_card_pcm512x);
}
static void sof_pcm512x_remove(struct platform_device *pdev)
{
struct snd_soc_card *card = platform_get_drvdata(pdev);
struct snd_soc_component *component;
for_each_card_components(card, component) {
if (!strcmp(component->name, pcm512x_component[0].name)) {
snd_soc_component_set_jack(component, NULL, NULL);
break;
}
}
}
static struct platform_driver sof_audio = {
.probe = sof_audio_probe,
.remove = sof_pcm512x_remove,
.driver = {
.name = "sof_pcm512x",
.pm = &snd_soc_pm_ops,
},
};
module_platform_driver(sof_audio)
MODULE_DESCRIPTION("ASoC Intel(R) SOF + PCM512x Machine driver");
MODULE_AUTHOR("Pierre-Louis Bossart");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:sof_pcm512x");
MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
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