// SPDX-License-Identifier: GPL-2.0-only
//
// Copyright(c) 2022 Intel Corporation. All rights reserved.
/*
* sof_ssp_amp.c - ASoc Machine driver for Intel platforms
* with RT1308/CS35L41 codec.
*/
#include <linux/acpi.h>
#include <linux/delay.h>
#include <linux/dmi.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/sof.h>
#include "../../codecs/hdac_hdmi.h"
#include "hda_dsp_common.h"
#include "sof_realtek_common.h"
#include "sof_cirrus_common.h"
#define NAME_SIZE 32
/* SSP port ID for speaker amplifier */
#define SOF_AMPLIFIER_SSP(quirk) ((quirk) & GENMASK(3, 0))
#define SOF_AMPLIFIER_SSP_MASK (GENMASK(3, 0))
/* HDMI capture*/
#define SOF_SSP_HDMI_CAPTURE_PRESENT BIT(4)
#define SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT 5
#define SOF_NO_OF_HDMI_CAPTURE_SSP_MASK (GENMASK(6, 5))
#define SOF_NO_OF_HDMI_CAPTURE_SSP(quirk) \
(((quirk) << SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT) & SOF_NO_OF_HDMI_CAPTURE_SSP_MASK)
#define SOF_HDMI_CAPTURE_1_SSP_SHIFT 7
#define SOF_HDMI_CAPTURE_1_SSP_MASK (GENMASK(9, 7))
#define SOF_HDMI_CAPTURE_1_SSP(quirk) \
(((quirk) << SOF_HDMI_CAPTURE_1_SSP_SHIFT) & SOF_HDMI_CAPTURE_1_SSP_MASK)
#define SOF_HDMI_CAPTURE_2_SSP_SHIFT 10
#define SOF_HDMI_CAPTURE_2_SSP_MASK (GENMASK(12, 10))
#define SOF_HDMI_CAPTURE_2_SSP(quirk) \
(((quirk) << SOF_HDMI_CAPTURE_2_SSP_SHIFT) & SOF_HDMI_CAPTURE_2_SSP_MASK)
/* HDMI playback */
#define SOF_HDMI_PLAYBACK_PRESENT BIT(13)
#define SOF_NO_OF_HDMI_PLAYBACK_SHIFT 14
#define SOF_NO_OF_HDMI_PLAYBACK_MASK (GENMASK(16, 14))
#define SOF_NO_OF_HDMI_PLAYBACK(quirk) \
(((quirk) << SOF_NO_OF_HDMI_PLAYBACK_SHIFT) & SOF_NO_OF_HDMI_PLAYBACK_MASK)
/* BT audio offload */
#define SOF_SSP_BT_OFFLOAD_PRESENT BIT(17)
#define SOF_BT_OFFLOAD_SSP_SHIFT 18
#define SOF_BT_OFFLOAD_SSP_MASK (GENMASK(20, 18))
#define SOF_BT_OFFLOAD_SSP(quirk) \
(((quirk) << SOF_BT_OFFLOAD_SSP_SHIFT) & SOF_BT_OFFLOAD_SSP_MASK)
/* Speaker amplifiers */
#define SOF_RT1308_SPEAKER_AMP_PRESENT BIT(21)
#define SOF_CS35L41_SPEAKER_AMP_PRESENT BIT(22)
/* Default: SSP2 */
static unsigned long sof_ssp_amp_quirk = SOF_AMPLIFIER_SSP(2);
struct sof_hdmi_pcm {
struct list_head head;
struct snd_soc_jack sof_hdmi;
struct snd_soc_dai *codec_dai;
int device;
};
struct sof_card_private {
struct list_head hdmi_pcm_list;
bool common_hdmi_codec_drv;
bool idisp_codec;
};
static const struct dmi_system_id chromebook_platforms[] = {
{
.ident = "Google Chromebooks",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Google"),
}
},
{},
};
static const struct snd_soc_dapm_widget sof_ssp_amp_dapm_widgets[] = {
SND_SOC_DAPM_MIC("SoC DMIC", NULL),
};
static const struct snd_soc_dapm_route sof_ssp_amp_dapm_routes[] = {
/* digital mics */
{"DMic", NULL, "SoC DMIC"},
};
static int sof_card_late_probe(struct snd_soc_card *card)
{
struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
struct snd_soc_component *component = NULL;
char jack_name[NAME_SIZE];
struct sof_hdmi_pcm *pcm;
int err;
if (!(sof_ssp_amp_quirk & SOF_HDMI_PLAYBACK_PRESENT))
return 0;
/* HDMI is not supported by SOF on Baytrail/CherryTrail */
if (!ctx->idisp_codec)
return 0;
if (list_empty(&ctx->hdmi_pcm_list))
return -EINVAL;
if (ctx->common_hdmi_codec_drv) {
pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm,
head);
component = pcm->codec_dai->component;
return hda_dsp_hdmi_build_controls(card, component);
}
list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
component = pcm->codec_dai->component;
snprintf(jack_name, sizeof(jack_name),
"HDMI/DP, pcm=%d Jack", pcm->device);
err = snd_soc_card_jack_new(card, jack_name,
SND_JACK_AVOUT, &pcm->sof_hdmi);
if (err)
return err;
err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
&pcm->sof_hdmi);
if (err < 0)
return err;
}
return hdac_hdmi_jack_port_init(component, &card->dapm);
}
static struct snd_soc_card sof_ssp_amp_card = {
.name = "ssp_amp",
.owner = THIS_MODULE,
.dapm_widgets = sof_ssp_amp_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(sof_ssp_amp_dapm_widgets),
.dapm_routes = sof_ssp_amp_dapm_routes,
.num_dapm_routes = ARRAY_SIZE(sof_ssp_amp_dapm_routes),
.fully_routed = true,
.late_probe = sof_card_late_probe,
};
static struct snd_soc_dai_link_component platform_component[] = {
{
/* name might be overridden during probe */
.name = "0000:00:1f.3"
}
};
static struct snd_soc_dai_link_component dmic_component[] = {
{
.name = "dmic-codec",
.dai_name = "dmic-hifi",
}
};
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 = asoc_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;
}
#define IDISP_CODEC_MASK 0x4
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_ssp_amp_card.num_links,
sizeof(struct snd_soc_dai_link), GFP_KERNEL);
cpus = devm_kcalloc(dev, sof_ssp_amp_card.num_links,
sizeof(struct snd_soc_dai_link_component), GFP_KERNEL);
if (!links || !cpus)
return NULL;
/* HDMI-In SSP */
if (sof_ssp_amp_quirk & SOF_SSP_HDMI_CAPTURE_PRESENT) {
int num_of_hdmi_ssp = (sof_ssp_amp_quirk & SOF_NO_OF_HDMI_CAPTURE_SSP_MASK) >>
SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT;
for (i = 1; i <= num_of_hdmi_ssp; i++) {
int port = (i == 1 ? (sof_ssp_amp_quirk & SOF_HDMI_CAPTURE_1_SSP_MASK) >>
SOF_HDMI_CAPTURE_1_SSP_SHIFT :
(sof_ssp_amp_quirk & SOF_HDMI_CAPTURE_2_SSP_MASK) >>
SOF_HDMI_CAPTURE_2_SSP_SHIFT);
links[id].cpus = &cpus[id];
links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
"SSP%d Pin", port);
if (!links[id].cpus->dai_name)
return NULL;
links[id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-HDMI", port);
if (!links[id].name)
return NULL;
links[id].id = id;
links[id].codecs = &asoc_dummy_dlc;
links[id].num_codecs = 1;
links[id].platforms = platform_component;
links[id].num_platforms = ARRAY_SIZE(platform_component);
links[id].dpcm_capture = 1;
links[id].no_pcm = 1;
links[id].num_cpus = 1;
id++;
}
}
/* codec SSP */
links[id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec", ssp_codec);
if (!links[id].name)
return NULL;
links[id].id = id;
if (sof_ssp_amp_quirk & SOF_RT1308_SPEAKER_AMP_PRESENT) {
sof_rt1308_dai_link(&links[id]);
} else if (sof_ssp_amp_quirk & SOF_CS35L41_SPEAKER_AMP_PRESENT) {
cs35l41_set_dai_link(&links[id]);
}
links[id].platforms = platform_component;
links[id].num_platforms = ARRAY_SIZE(platform_component);
links[id].dpcm_playback = 1;
/* feedback from amplifier or firmware-generated echo reference */
links[id].dpcm_capture = 1;
links[id].no_pcm = 1;
links[id].cpus = &cpus[id];
links[id].num_cpus = 1;
links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", ssp_codec);
if (!links[id].cpus->dai_name)
return NULL;
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";
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 playback */
if (sof_ssp_amp_quirk & SOF_HDMI_PLAYBACK_PRESENT) {
/* 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;
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);
if (!idisp_components[i - 1].dai_name)
goto devm_err;
} else {
idisp_components[i - 1] = asoc_dummy_dlc;
}
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++;
}
}
/* BT audio offload */
if (sof_ssp_amp_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) {
int port = (sof_ssp_amp_quirk & SOF_BT_OFFLOAD_SSP_MASK) >>
SOF_BT_OFFLOAD_SSP_SHIFT;
links[id].id = id;
links[id].cpus = &cpus[id];
links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
"SSP%d Pin", port);
if (!links[id].cpus->dai_name)
goto devm_err;
links[id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-BT", port);
if (!links[id].name)
goto devm_err;
links[id].codecs = &asoc_dummy_dlc;
links[id].num_codecs = 1;
links[id].platforms = platform_component;
links[id].num_platforms = ARRAY_SIZE(platform_component);
links[id].dpcm_playback = 1;
links[id].dpcm_capture = 1;
links[id].no_pcm = 1;
links[id].num_cpus = 1;
id++;
}
return links;
devm_err:
return NULL;
}
static int sof_ssp_amp_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 = 0, hdmi_num = 0;
int ret, ssp_codec;
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
if (pdev->id_entry && pdev->id_entry->driver_data)
sof_ssp_amp_quirk = (unsigned long)pdev->id_entry->driver_data;
mach = pdev->dev.platform_data;
if (dmi_check_system(chromebook_platforms) || mach->mach_params.dmic_num > 0)
dmic_be_num = 2;
ssp_codec = sof_ssp_amp_quirk & SOF_AMPLIFIER_SSP_MASK;
/* set number of dai links */
sof_ssp_amp_card.num_links = 1 + dmic_be_num;
if (sof_ssp_amp_quirk & SOF_SSP_HDMI_CAPTURE_PRESENT)
sof_ssp_amp_card.num_links += (sof_ssp_amp_quirk & SOF_NO_OF_HDMI_CAPTURE_SSP_MASK) >>
SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT;
if (sof_ssp_amp_quirk & SOF_HDMI_PLAYBACK_PRESENT) {
hdmi_num = (sof_ssp_amp_quirk & SOF_NO_OF_HDMI_PLAYBACK_MASK) >>
SOF_NO_OF_HDMI_PLAYBACK_SHIFT;
/* default number of HDMI DAI's */
if (!hdmi_num)
hdmi_num = 3;
if (mach->mach_params.codec_mask & IDISP_CODEC_MASK)
ctx->idisp_codec = true;
sof_ssp_amp_card.num_links += hdmi_num;
}
if (sof_ssp_amp_quirk & SOF_SSP_BT_OFFLOAD_PRESENT)
sof_ssp_amp_card.num_links++;
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_ssp_amp_card.dai_link = dai_links;
/* update codec_conf */
if (sof_ssp_amp_quirk & SOF_CS35L41_SPEAKER_AMP_PRESENT) {
cs35l41_set_codec_conf(&sof_ssp_amp_card);
}
INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
sof_ssp_amp_card.dev = &pdev->dev;
/* set platform name for each dailink */
ret = snd_soc_fixup_dai_links_platform_name(&sof_ssp_amp_card,
mach->mach_params.platform);
if (ret)
return ret;
ctx->common_hdmi_codec_drv = mach->mach_params.common_hdmi_codec_drv;
snd_soc_card_set_drvdata(&sof_ssp_amp_card, ctx);
return devm_snd_soc_register_card(&pdev->dev, &sof_ssp_amp_card);
}
static const struct platform_device_id board_ids[] = {
{
.name = "sof_ssp_amp",
},
{
.name = "tgl_rt1308_hdmi_ssp",
.driver_data = (kernel_ulong_t)(SOF_AMPLIFIER_SSP(2) |
SOF_NO_OF_HDMI_CAPTURE_SSP(2) |
SOF_HDMI_CAPTURE_1_SSP(1) |
SOF_HDMI_CAPTURE_2_SSP(5) |
SOF_SSP_HDMI_CAPTURE_PRESENT |
SOF_RT1308_SPEAKER_AMP_PRESENT),
},
{
.name = "adl_cs35l41",
.driver_data = (kernel_ulong_t)(SOF_AMPLIFIER_SSP(1) |
SOF_NO_OF_HDMI_PLAYBACK(4) |
SOF_HDMI_PLAYBACK_PRESENT |
SOF_BT_OFFLOAD_SSP(2) |
SOF_SSP_BT_OFFLOAD_PRESENT |
SOF_CS35L41_SPEAKER_AMP_PRESENT),
},
{
.name = "adl_lt6911_hdmi_ssp",
.driver_data = (kernel_ulong_t)(SOF_NO_OF_HDMI_CAPTURE_SSP(2) |
SOF_HDMI_CAPTURE_1_SSP(0) |
SOF_HDMI_CAPTURE_2_SSP(2) |
SOF_SSP_HDMI_CAPTURE_PRESENT |
SOF_NO_OF_HDMI_PLAYBACK(3) |
SOF_HDMI_PLAYBACK_PRESENT),
},
{
.name = "rpl_lt6911_hdmi_ssp",
.driver_data = (kernel_ulong_t)(SOF_NO_OF_HDMI_CAPTURE_SSP(2) |
SOF_HDMI_CAPTURE_1_SSP(0) |
SOF_HDMI_CAPTURE_2_SSP(2) |
SOF_SSP_HDMI_CAPTURE_PRESENT |
SOF_NO_OF_HDMI_PLAYBACK(3) |
SOF_HDMI_PLAYBACK_PRESENT),
},
{ }
};
MODULE_DEVICE_TABLE(platform, board_ids);
static struct platform_driver sof_ssp_amp_driver = {
.probe = sof_ssp_amp_probe,
.driver = {
.name = "sof_ssp_amp",
.pm = &snd_soc_pm_ops,
},
.id_table = board_ids,
};
module_platform_driver(sof_ssp_amp_driver);
MODULE_DESCRIPTION("ASoC Intel(R) SOF Amplifier Machine driver");
MODULE_AUTHOR("Balamurugan C <balamurugan.c@intel.com>");
MODULE_AUTHOR("Brent Lu <brent.lu@intel.com>");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_REALTEK_COMMON);
MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_CIRRUS_COMMON);
