// SPDX-License-Identifier: GPL-2.0-only
//
// Copyright(c) 2020 Intel Corporation
#include <linux/module.h>
#include <linux/string.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include <sound/soc-dai.h>
#include <sound/soc-dapm.h>
#include <sound/sof.h>
#include <uapi/sound/asound.h>
#include "../common/soc-intel-quirks.h"
#include "sof_maxim_common.h"
/*
* Common structures and functions
*/
static const struct snd_kcontrol_new maxim_2spk_kcontrols[] = {
SOC_DAPM_PIN_SWITCH("Left Spk"),
SOC_DAPM_PIN_SWITCH("Right Spk"),
};
static const struct snd_soc_dapm_widget maxim_2spk_widgets[] = {
SND_SOC_DAPM_SPK("Left Spk", NULL),
SND_SOC_DAPM_SPK("Right Spk", NULL),
};
/* helper function to get the number of specific codec */
static unsigned int get_num_codecs(const char *hid)
{
struct acpi_device *adev;
unsigned int dev_num = 0;
for_each_acpi_dev_match(adev, hid, NULL, -1)
dev_num++;
return dev_num;
}
/*
* Maxim MAX98373
*/
#define MAX_98373_PIN_NAME 16
static const struct snd_soc_dapm_route max_98373_dapm_routes[] = {
/* speaker */
{ "Left Spk", NULL, "Left BE_OUT" },
{ "Right Spk", NULL, "Right BE_OUT" },
};
static struct snd_soc_codec_conf max_98373_codec_conf[] = {
{
.dlc = COMP_CODEC_CONF(MAX_98373_DEV0_NAME),
.name_prefix = "Right",
},
{
.dlc = COMP_CODEC_CONF(MAX_98373_DEV1_NAME),
.name_prefix = "Left",
},
};
static struct snd_soc_dai_link_component max_98373_components[] = {
{ /* For Right */
.name = MAX_98373_DEV0_NAME,
.dai_name = MAX_98373_CODEC_DAI,
},
{ /* For Left */
.name = MAX_98373_DEV1_NAME,
.dai_name = MAX_98373_CODEC_DAI,
},
};
/*
* According to the definition of 'DAI Sel Mux' mixer in max98373.c, rx mask
* should choose two channels from TDM slots, the LSB of rx mask is left channel
* and the other one is right channel.
*/
static const struct {
unsigned int rx;
} max_98373_tdm_mask[] = {
{.rx = 0x3},
{.rx = 0x3},
};
/*
* The tx mask indicates which channel(s) contains output IV-sense data and
* others should set to Hi-Z. Here we get the channel number from codec's ACPI
* device property "maxim,vmon-slot-no" and "maxim,imon-slot-no" to generate the
* mask. Refer to the max98373_slot_config() function in max98373.c codec driver.
*/
static unsigned int max_98373_get_tx_mask(struct device *dev)
{
int vmon_slot;
int imon_slot;
if (device_property_read_u32(dev, "maxim,vmon-slot-no", &vmon_slot))
vmon_slot = 0;
if (device_property_read_u32(dev, "maxim,imon-slot-no", &imon_slot))
imon_slot = 1;
dev_dbg(dev, "vmon_slot %d imon_slot %d\n", vmon_slot, imon_slot);
return (0x1 << vmon_slot) | (0x1 << imon_slot);
}
static int max_98373_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct snd_soc_dai_link *dai_link = rtd->dai_link;
struct snd_soc_dai *codec_dai;
int i;
int tdm_slots;
unsigned int tx_mask;
unsigned int tx_mask_used = 0x0;
int ret = 0;
for_each_rtd_codec_dais(rtd, i, codec_dai) {
if (i >= ARRAY_SIZE(max_98373_tdm_mask)) {
dev_err(codec_dai->dev, "only 2 amps are supported\n");
return -EINVAL;
}
switch (dai_link->dai_fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_DSP_A:
case SND_SOC_DAIFMT_DSP_B:
/* get the tplg configured tdm slot number */
tdm_slots = sof_dai_get_tdm_slots(rtd);
if (tdm_slots <= 0) {
dev_err(rtd->dev, "invalid tdm slots %d\n",
tdm_slots);
return -EINVAL;
}
/* get the tx mask from ACPI device properties */
tx_mask = max_98373_get_tx_mask(codec_dai->dev);
if (!tx_mask)
return -EINVAL;
if (tx_mask & tx_mask_used) {
dev_err(codec_dai->dev, "invalid tx mask 0x%x, used 0x%x\n",
tx_mask, tx_mask_used);
return -EINVAL;
}
tx_mask_used |= tx_mask;
/*
* check if tdm slot number is too small for channel
* allocation
*/
if (fls(tx_mask) > tdm_slots) {
dev_err(codec_dai->dev, "slot mismatch, tx %d slots %d\n",
fls(tx_mask), tdm_slots);
return -EINVAL;
}
if (fls(max_98373_tdm_mask[i].rx) > tdm_slots) {
dev_err(codec_dai->dev, "slot mismatch, rx %d slots %d\n",
fls(max_98373_tdm_mask[i].rx), tdm_slots);
return -EINVAL;
}
dev_dbg(codec_dai->dev, "set tdm slot: tx 0x%x rx 0x%x slots %d width %d\n",
tx_mask, max_98373_tdm_mask[i].rx,
tdm_slots, params_width(params));
ret = snd_soc_dai_set_tdm_slot(codec_dai, tx_mask,
max_98373_tdm_mask[i].rx,
tdm_slots,
params_width(params));
if (ret < 0) {
dev_err(codec_dai->dev, "fail to set tdm slot, ret %d\n",
ret);
return ret;
}
break;
default:
dev_dbg(codec_dai->dev, "codec is in I2S mode\n");
break;
}
}
return 0;
}
static int max_98373_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct snd_soc_dai *codec_dai;
struct snd_soc_dai *cpu_dai;
int j;
int ret = 0;
/* set spk pin by playback only */
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
return 0;
cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
for_each_rtd_codec_dais(rtd, j, codec_dai) {
struct snd_soc_dapm_context *dapm =
snd_soc_component_get_dapm(cpu_dai->component);
char pin_name[MAX_98373_PIN_NAME];
snprintf(pin_name, ARRAY_SIZE(pin_name), "%s Spk",
codec_dai->component->name_prefix);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
ret = snd_soc_dapm_enable_pin(dapm, pin_name);
if (!ret)
snd_soc_dapm_sync(dapm);
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
ret = snd_soc_dapm_disable_pin(dapm, pin_name);
if (!ret)
snd_soc_dapm_sync(dapm);
break;
default:
break;
}
}
return ret;
}
static const struct snd_soc_ops max_98373_ops = {
.hw_params = max_98373_hw_params,
.trigger = max_98373_trigger,
};
static int max_98373_spk_codec_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_card *card = rtd->card;
unsigned int num_codecs = get_num_codecs(MAX_98373_ACPI_HID);
int ret;
switch (num_codecs) {
case 2:
ret = snd_soc_dapm_new_controls(&card->dapm, maxim_2spk_widgets,
ARRAY_SIZE(maxim_2spk_widgets));
if (ret) {
dev_err(rtd->dev, "fail to add max98373 widgets, ret %d\n",
ret);
return ret;
}
ret = snd_soc_add_card_controls(card, maxim_2spk_kcontrols,
ARRAY_SIZE(maxim_2spk_kcontrols));
if (ret) {
dev_err(rtd->dev, "fail to add max98373 kcontrols, ret %d\n",
ret);
return ret;
}
ret = snd_soc_dapm_add_routes(&card->dapm, max_98373_dapm_routes,
ARRAY_SIZE(max_98373_dapm_routes));
if (ret) {
dev_err(rtd->dev, "fail to add max98373 routes, ret %d\n",
ret);
return ret;
}
break;
default:
dev_err(rtd->dev, "max98373: invalid num_codecs %d\n", num_codecs);
return -EINVAL;
}
return ret;
}
void max_98373_dai_link(struct device *dev, struct snd_soc_dai_link *link)
{
link->codecs = max_98373_components;
link->num_codecs = ARRAY_SIZE(max_98373_components);
link->init = max_98373_spk_codec_init;
link->ops = &max_98373_ops;
}
EXPORT_SYMBOL_NS(max_98373_dai_link, SND_SOC_INTEL_SOF_MAXIM_COMMON);
void max_98373_set_codec_conf(struct snd_soc_card *card)
{
card->codec_conf = max_98373_codec_conf;
card->num_configs = ARRAY_SIZE(max_98373_codec_conf);
}
EXPORT_SYMBOL_NS(max_98373_set_codec_conf, SND_SOC_INTEL_SOF_MAXIM_COMMON);
/*
* Maxim MAX98390
*/
static const struct snd_soc_dapm_route max_98390_dapm_routes[] = {
/* speaker */
{ "Left Spk", NULL, "Left BE_OUT" },
{ "Right Spk", NULL, "Right BE_OUT" },
};
static const struct snd_kcontrol_new max_98390_tt_kcontrols[] = {
SOC_DAPM_PIN_SWITCH("TL Spk"),
SOC_DAPM_PIN_SWITCH("TR Spk"),
};
static const struct snd_soc_dapm_widget max_98390_tt_dapm_widgets[] = {
SND_SOC_DAPM_SPK("TL Spk", NULL),
SND_SOC_DAPM_SPK("TR Spk", NULL),
};
static const struct snd_soc_dapm_route max_98390_tt_dapm_routes[] = {
/* Tweeter speaker */
{ "TL Spk", NULL, "Tweeter Left BE_OUT" },
{ "TR Spk", NULL, "Tweeter Right BE_OUT" },
};
static struct snd_soc_codec_conf max_98390_cml_codec_conf[] = {
{
.dlc = COMP_CODEC_CONF(MAX_98390_DEV0_NAME),
.name_prefix = "Left",
},
{
.dlc = COMP_CODEC_CONF(MAX_98390_DEV1_NAME),
.name_prefix = "Right",
},
};
static struct snd_soc_codec_conf max_98390_codec_conf[] = {
{
.dlc = COMP_CODEC_CONF(MAX_98390_DEV0_NAME),
.name_prefix = "Right",
},
{
.dlc = COMP_CODEC_CONF(MAX_98390_DEV1_NAME),
.name_prefix = "Left",
},
{
.dlc = COMP_CODEC_CONF(MAX_98390_DEV2_NAME),
.name_prefix = "Tweeter Right",
},
{
.dlc = COMP_CODEC_CONF(MAX_98390_DEV3_NAME),
.name_prefix = "Tweeter Left",
},
};
static struct snd_soc_dai_link_component max_98390_components[] = {
{
.name = MAX_98390_DEV0_NAME,
.dai_name = MAX_98390_CODEC_DAI,
},
{
.name = MAX_98390_DEV1_NAME,
.dai_name = MAX_98390_CODEC_DAI,
},
{
.name = MAX_98390_DEV2_NAME,
.dai_name = MAX_98390_CODEC_DAI,
},
{
.name = MAX_98390_DEV3_NAME,
.dai_name = MAX_98390_CODEC_DAI,
},
};
static const struct {
unsigned int tx;
unsigned int rx;
} max_98390_tdm_mask[] = {
{.tx = 0x01, .rx = 0x3},
{.tx = 0x02, .rx = 0x3},
{.tx = 0x04, .rx = 0x3},
{.tx = 0x08, .rx = 0x3},
};
static int max_98390_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct snd_soc_dai_link *dai_link = rtd->dai_link;
struct snd_soc_dai *codec_dai;
int i, ret;
for_each_rtd_codec_dais(rtd, i, codec_dai) {
if (i >= ARRAY_SIZE(max_98390_tdm_mask)) {
dev_err(codec_dai->dev, "invalid codec index %d\n", i);
return -ENODEV;
}
switch (dai_link->dai_fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_DSP_A:
case SND_SOC_DAIFMT_DSP_B:
/* 4-slot TDM */
ret = snd_soc_dai_set_tdm_slot(codec_dai,
max_98390_tdm_mask[i].tx,
max_98390_tdm_mask[i].rx,
4,
params_width(params));
if (ret < 0) {
dev_err(codec_dai->dev, "fail to set tdm slot, ret %d\n",
ret);
return ret;
}
break;
default:
dev_dbg(codec_dai->dev, "codec is in I2S mode\n");
break;
}
}
return 0;
}
static int max_98390_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_card *card = rtd->card;
unsigned int num_codecs = get_num_codecs(MAX_98390_ACPI_HID);
int ret;
switch (num_codecs) {
case 4:
/* add widgets/controls/dapm for tweeter speakers */
ret = snd_soc_dapm_new_controls(&card->dapm, max_98390_tt_dapm_widgets,
ARRAY_SIZE(max_98390_tt_dapm_widgets));
if (ret) {
dev_err(rtd->dev, "unable to add tweeter dapm widgets, ret %d\n",
ret);
/* Don't need to add routes if widget addition failed */
return ret;
}
ret = snd_soc_add_card_controls(card, max_98390_tt_kcontrols,
ARRAY_SIZE(max_98390_tt_kcontrols));
if (ret) {
dev_err(rtd->dev, "unable to add tweeter controls, ret %d\n",
ret);
return ret;
}
ret = snd_soc_dapm_add_routes(&card->dapm, max_98390_tt_dapm_routes,
ARRAY_SIZE(max_98390_tt_dapm_routes));
if (ret) {
dev_err(rtd->dev, "unable to add tweeter dapm routes, ret %d\n",
ret);
return ret;
}
fallthrough;
case 2:
/* add regular speakers dapm route */
ret = snd_soc_dapm_new_controls(&card->dapm, maxim_2spk_widgets,
ARRAY_SIZE(maxim_2spk_widgets));
if (ret) {
dev_err(rtd->dev, "fail to add max98390 woofer widgets, ret %d\n",
ret);
return ret;
}
ret = snd_soc_add_card_controls(card, maxim_2spk_kcontrols,
ARRAY_SIZE(maxim_2spk_kcontrols));
if (ret) {
dev_err(rtd->dev, "fail to add max98390 woofer kcontrols, ret %d\n",
ret);
return ret;
}
ret = snd_soc_dapm_add_routes(&card->dapm, max_98390_dapm_routes,
ARRAY_SIZE(max_98390_dapm_routes));
if (ret) {
dev_err(rtd->dev, "unable to add dapm routes, ret %d\n",
ret);
return ret;
}
break;
default:
dev_err(rtd->dev, "invalid codec number %d\n", num_codecs);
return -EINVAL;
}
return ret;
}
static const struct snd_soc_ops max_98390_ops = {
.hw_params = max_98390_hw_params,
};
void max_98390_dai_link(struct device *dev, struct snd_soc_dai_link *link)
{
unsigned int num_codecs = get_num_codecs(MAX_98390_ACPI_HID);
link->codecs = max_98390_components;
switch (num_codecs) {
case 2:
case 4:
link->num_codecs = num_codecs;
break;
default:
dev_err(dev, "invalid codec number %d for %s\n", num_codecs,
MAX_98390_ACPI_HID);
break;
}
link->init = max_98390_init;
link->ops = &max_98390_ops;
}
EXPORT_SYMBOL_NS(max_98390_dai_link, SND_SOC_INTEL_SOF_MAXIM_COMMON);
void max_98390_set_codec_conf(struct device *dev, struct snd_soc_card *card)
{
unsigned int num_codecs = get_num_codecs(MAX_98390_ACPI_HID);
card->codec_conf = max_98390_codec_conf;
switch (num_codecs) {
case 2:
if (soc_intel_is_cml())
card->codec_conf = max_98390_cml_codec_conf;
fallthrough;
case 4:
card->num_configs = num_codecs;
break;
default:
dev_err(dev, "invalid codec number %d for %s\n", num_codecs,
MAX_98390_ACPI_HID);
break;
}
}
EXPORT_SYMBOL_NS(max_98390_set_codec_conf, SND_SOC_INTEL_SOF_MAXIM_COMMON);
/*
* Maxim MAX98357A/MAX98360A
*/
static const struct snd_kcontrol_new max_98357a_kcontrols[] = {
SOC_DAPM_PIN_SWITCH("Spk"),
};
static const struct snd_soc_dapm_widget max_98357a_dapm_widgets[] = {
SND_SOC_DAPM_SPK("Spk", NULL),
};
static const struct snd_soc_dapm_route max_98357a_dapm_routes[] = {
/* speaker */
{"Spk", NULL, "Speaker"},
};
static struct snd_soc_dai_link_component max_98357a_components[] = {
{
.name = MAX_98357A_DEV0_NAME,
.dai_name = MAX_98357A_CODEC_DAI,
}
};
static struct snd_soc_dai_link_component max_98360a_components[] = {
{
.name = MAX_98360A_DEV0_NAME,
.dai_name = MAX_98357A_CODEC_DAI,
}
};
static int max_98357a_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_card *card = rtd->card;
int ret;
ret = snd_soc_dapm_new_controls(&card->dapm, max_98357a_dapm_widgets,
ARRAY_SIZE(max_98357a_dapm_widgets));
if (ret) {
dev_err(rtd->dev, "unable to add dapm controls, ret %d\n", ret);
/* Don't need to add routes if widget addition failed */
return ret;
}
ret = snd_soc_add_card_controls(card, max_98357a_kcontrols,
ARRAY_SIZE(max_98357a_kcontrols));
if (ret) {
dev_err(rtd->dev, "unable to add card controls, ret %d\n", ret);
return ret;
}
ret = snd_soc_dapm_add_routes(&card->dapm, max_98357a_dapm_routes,
ARRAY_SIZE(max_98357a_dapm_routes));
if (ret)
dev_err(rtd->dev, "unable to add dapm routes, ret %d\n", ret);
return ret;
}
void max_98357a_dai_link(struct snd_soc_dai_link *link)
{
link->codecs = max_98357a_components;
link->num_codecs = ARRAY_SIZE(max_98357a_components);
link->init = max_98357a_init;
}
EXPORT_SYMBOL_NS(max_98357a_dai_link, SND_SOC_INTEL_SOF_MAXIM_COMMON);
void max_98360a_dai_link(struct snd_soc_dai_link *link)
{
link->codecs = max_98360a_components;
link->num_codecs = ARRAY_SIZE(max_98360a_components);
link->init = max_98357a_init;
}
EXPORT_SYMBOL_NS(max_98360a_dai_link, SND_SOC_INTEL_SOF_MAXIM_COMMON);
MODULE_DESCRIPTION("ASoC Intel SOF Maxim helpers");
MODULE_LICENSE("GPL");
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