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ASoC: amd/sdw_utils: add sof based soundwire generic machine driver

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Add sof based Soundwire generic driver for amd platforms.
Currently support added for ACP6.3 based platforms.

Link: https://github.com/thesofproject/linux/pull/5068
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://patch.msgid.link/20240801111821.18076-11-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vijendar Mukunda 2024-08-01 16:48:17 +05:30 committed by Mark Brown
parent b7cdb4a89c
commit cb8ea62e64
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
4 changed files with 806 additions and 0 deletions
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18
sound/soc/amd/acp/Kconfig
View File

@ -119,6 +119,24 @@ config SND_SOC_AMD_SOF_MACH
help
This option enables SOF sound card support for ACP audio.
config SND_SOC_AMD_SOF_SDW_MACH
tristate "AMD SOF Soundwire Machine Driver Support"
depends on X86 && PCI && ACPI
depends on SOUNDWIRE
select SND_SOC_SDW_UTILS
select SND_SOC_DMIC
select SND_SOC_RT711_SDW
select SND_SOC_RT711_SDCA_SDW
select SND_SOC_RT1316_SDW
select SND_SOC_RT715_SDW
select SND_SOC_RT715_SDCA_SDW
help
This option enables SOF sound card support for SoundWire enabled
AMD platforms along with ACP PDM controller.
Say Y if you want to enable SoundWire based machine driver support
on AMD platform.
If unsure select "N".
endif # SND_SOC_AMD_ACP_COMMON
config SND_AMD_SOUNDWIRE_ACPI

2
sound/soc/amd/acp/Makefile
View File

@ -23,6 +23,7 @@ snd-acp-mach-y := acp-mach-common.o
snd-acp-legacy-mach-y := acp-legacy-mach.o acp3x-es83xx/acp3x-es83xx.o
snd-acp-sof-mach-y := acp-sof-mach.o
snd-soc-acpi-amd-match-y := amd-acp63-acpi-match.o
snd-acp-sdw-sof-mach-y += acp-sdw-sof-mach.o
obj-$(CONFIG_SND_SOC_AMD_ACP_PCM) += snd-acp-pcm.o
obj-$(CONFIG_SND_SOC_AMD_ACP_I2S) += snd-acp-i2s.o
@ -40,3 +41,4 @@ obj-$(CONFIG_SND_SOC_AMD_MACH_COMMON) += snd-acp-mach.o
obj-$(CONFIG_SND_SOC_AMD_LEGACY_MACH) += snd-acp-legacy-mach.o
obj-$(CONFIG_SND_SOC_AMD_SOF_MACH) += snd-acp-sof-mach.o
obj-$(CONFIG_SND_SOC_ACPI_AMD_MATCH) += snd-soc-acpi-amd-match.o
obj-$(CONFIG_SND_SOC_AMD_SOF_SDW_MACH) += snd-acp-sdw-sof-mach.o

742
sound/soc/amd/acp/acp-sdw-sof-mach.c Normal file
View File

@ -0,0 +1,742 @@
// SPDX-License-Identifier: GPL-2.0-only
// Copyright(c) 2024 Advanced Micro Devices, Inc.
/*
* acp-sdw-sof-mach - ASoC Machine driver for AMD SoundWire platforms
*/
#include <linux/bitmap.h>
#include <linux/device.h>
#include <linux/dmi.h>
#include <linux/module.h>
#include <linux/soundwire/sdw.h>
#include <linux/soundwire/sdw_type.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include "soc_amd_sdw_common.h"
#include "../../codecs/rt711.h"
static unsigned long sof_sdw_quirk = RT711_JD1;
static int quirk_override = -1;
module_param_named(quirk, quirk_override, int, 0444);
MODULE_PARM_DESC(quirk, "Board-specific quirk override");
static void log_quirks(struct device *dev)
{
if (SOC_JACK_JDSRC(sof_sdw_quirk))
dev_dbg(dev, "quirk realtek,jack-detect-source %ld\n",
SOC_JACK_JDSRC(sof_sdw_quirk));
if (sof_sdw_quirk & ASOC_SDW_ACP_DMIC)
dev_dbg(dev, "quirk SOC_SDW_ACP_DMIC enabled\n");
}
static int sof_sdw_quirk_cb(const struct dmi_system_id *id)
{
sof_sdw_quirk = (unsigned long)id->driver_data;
return 1;
}
static const struct dmi_system_id sof_sdw_quirk_table[] = {
{
.callback = sof_sdw_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "AMD"),
DMI_MATCH(DMI_PRODUCT_NAME, "Birman-PHX"),
},
.driver_data = (void *)RT711_JD2,
},
{}
};
static struct snd_soc_dai_link_component platform_component[] = {
{
/* name might be overridden during probe */
.name = "0000:04:00.5",
}
};
static const struct snd_soc_ops sdw_ops = {
.startup = asoc_sdw_startup,
.prepare = asoc_sdw_prepare,
.trigger = asoc_sdw_trigger,
.hw_params = asoc_sdw_hw_params,
.hw_free = asoc_sdw_hw_free,
.shutdown = asoc_sdw_shutdown,
};
/*
* get BE dailink number and CPU DAI number based on sdw link adr.
* Since some sdw slaves may be aggregated, the CPU DAI number
* may be larger than the number of BE dailinks.
*/
static int get_dailink_info(struct device *dev,
const struct snd_soc_acpi_link_adr *adr_link,
int *sdw_be_num, int *codecs_num)
{
bool group_visited[AMD_SDW_MAX_GROUPS];
int i;
int j;
*sdw_be_num = 0;
if (!adr_link)
return -EINVAL;
for (i = 0; i < AMD_SDW_MAX_GROUPS; i++)
group_visited[i] = false;
for (; adr_link->num_adr; adr_link++) {
const struct snd_soc_acpi_endpoint *endpoint;
struct asoc_sdw_codec_info *codec_info;
int stream;
u64 adr;
/* make sure the link mask has a single bit set */
if (!is_power_of_2(adr_link->mask))
return -EINVAL;
for (i = 0; i < adr_link->num_adr; i++) {
adr = adr_link->adr_d[i].adr;
codec_info = asoc_sdw_find_codec_info_part(adr);
if (!codec_info)
return -EINVAL;
*codecs_num += codec_info->dai_num;
if (!adr_link->adr_d[i].name_prefix) {
dev_err(dev, "codec 0x%llx does not have a name prefix\n",
adr_link->adr_d[i].adr);
return -EINVAL;
}
endpoint = adr_link->adr_d[i].endpoints;
if (endpoint->aggregated && !endpoint->group_id) {
dev_err(dev, "invalid group id on link %x\n",
adr_link->mask);
return -EINVAL;
}
for (j = 0; j < codec_info->dai_num; j++) {
/* count DAI number for playback and capture */
for_each_pcm_streams(stream) {
if (!codec_info->dais[j].direction[stream])
continue;
/* count BE for each non-aggregated slave or group */
if (!endpoint->aggregated ||
!group_visited[endpoint->group_id])
(*sdw_be_num)++;
}
}
if (endpoint->aggregated)
group_visited[endpoint->group_id] = true;
}
}
return 0;
}
static int fill_sdw_codec_dlc(struct device *dev,
const struct snd_soc_acpi_link_adr *adr_link,
struct snd_soc_dai_link_component *codec,
int adr_index, int dai_index)
{
u64 adr = adr_link->adr_d[adr_index].adr;
struct asoc_sdw_codec_info *codec_info;
codec_info = asoc_sdw_find_codec_info_part(adr);
if (!codec_info)
return -EINVAL;
codec->name = asoc_sdw_get_codec_name(dev, codec_info, adr_link, adr_index);
if (!codec->name)
return -ENOMEM;
codec->dai_name = codec_info->dais[dai_index].dai_name;
dev_err(dev, "codec->dai_name:%s\n", codec->dai_name);
return 0;
}
static int set_codec_init_func(struct snd_soc_card *card,
const struct snd_soc_acpi_link_adr *adr_link,
struct snd_soc_dai_link *dai_links,
bool playback, int group_id, int adr_index, int dai_index)
{
int i = adr_index;
do {
/*
* Initialize the codec. If codec is part of an aggregated
* group (group_id>0), initialize all codecs belonging to
* same group.
* The first link should start with adr_link->adr_d[adr_index]
* because that is the device that we want to initialize and
* we should end immediately if it is not aggregated (group_id=0)
*/
for ( ; i < adr_link->num_adr; i++) {
struct asoc_sdw_codec_info *codec_info;
codec_info = asoc_sdw_find_codec_info_part(adr_link->adr_d[i].adr);
if (!codec_info)
return -EINVAL;
/* The group_id is > 0 iff the codec is aggregated */
if (adr_link->adr_d[i].endpoints->group_id != group_id)
continue;
if (codec_info->dais[dai_index].init)
codec_info->dais[dai_index].init(card,
dai_links,
codec_info,
playback);
if (!group_id)
return 0;
}
i = 0;
adr_link++;
} while (adr_link->mask);
return 0;
}
/*
* check endpoint status in slaves and gather link ID for all slaves in
* the same group to generate different CPU DAI. Now only support
* one sdw link with all slaves set with only single group id.
*
* one slave on one sdw link with aggregated = 0
* one sdw BE DAI <---> one-cpu DAI <---> one-codec DAI
*
* two or more slaves on one sdw link with aggregated = 1
* one sdw BE DAI <---> one-cpu DAI <---> multi-codec DAIs
*/
static int get_slave_info(const struct snd_soc_acpi_link_adr *adr_link,
struct device *dev, int *cpu_dai_id, int *cpu_dai_num,
int *codec_num, unsigned int *group_id,
int adr_index)
{
int i;
if (!adr_link->adr_d[adr_index].endpoints->aggregated) {
cpu_dai_id[0] = ffs(adr_link->mask) - 1;
*cpu_dai_num = 1;
*codec_num = 1;
*group_id = 0;
return 0;
}
*codec_num = 0;
*cpu_dai_num = 0;
*group_id = adr_link->adr_d[adr_index].endpoints->group_id;
/* Count endpoints with the same group_id in the adr_link */
for (; adr_link && adr_link->num_adr; adr_link++) {
unsigned int link_codecs = 0;
for (i = 0; i < adr_link->num_adr; i++) {
if (adr_link->adr_d[i].endpoints->aggregated &&
adr_link->adr_d[i].endpoints->group_id == *group_id)
link_codecs++;
}
if (link_codecs) {
*codec_num += link_codecs;
if (*cpu_dai_num >= ACP63_SDW_MAX_CPU_DAIS) {
dev_err(dev, "cpu_dai_id array overflowed\n");
return -EINVAL;
}
cpu_dai_id[(*cpu_dai_num)++] = ffs(adr_link->mask) - 1;
}
}
return 0;
}
static int get_acp63_cpu_pin_id(u32 sdw_link_id, int be_id, int *cpu_pin_id, struct device *dev)
{
switch (sdw_link_id) {
case AMD_SDW0:
switch (be_id) {
case SOC_SDW_JACK_OUT_DAI_ID:
*cpu_pin_id = ACP63_SW0_AUDIO0_TX;
break;
case SOC_SDW_JACK_IN_DAI_ID:
*cpu_pin_id = ACP63_SW0_AUDIO0_RX;
break;
case SOC_SDW_AMP_OUT_DAI_ID:
*cpu_pin_id = ACP63_SW0_AUDIO1_TX;
break;
case SOC_SDW_AMP_IN_DAI_ID:
*cpu_pin_id = ACP63_SW0_AUDIO1_RX;
break;
case SOC_SDW_DMIC_DAI_ID:
*cpu_pin_id = ACP63_SW0_AUDIO2_RX;
break;
default:
dev_err(dev, "Invalid be id:%d\n", be_id);
return -EINVAL;
}
break;
case AMD_SDW1:
switch (be_id) {
case SOC_SDW_JACK_OUT_DAI_ID:
case SOC_SDW_AMP_OUT_DAI_ID:
*cpu_pin_id = ACP63_SW1_AUDIO0_TX;
break;
case SOC_SDW_JACK_IN_DAI_ID:
case SOC_SDW_AMP_IN_DAI_ID:
case SOC_SDW_DMIC_DAI_ID:
*cpu_pin_id = ACP63_SW1_AUDIO0_RX;
break;
default:
dev_err(dev, "invalid be_id:%d\n", be_id);
return -EINVAL;
}
break;
default:
dev_err(dev, "Invalid link id:%d\n", sdw_link_id);
return -EINVAL;
}
return 0;
}
static const char * const type_strings[] = {"SimpleJack", "SmartAmp", "SmartMic"};
static int create_sdw_dailink(struct snd_soc_card *card,
struct snd_soc_dai_link **dai_links,
const struct snd_soc_acpi_link_adr *adr_link,
struct snd_soc_codec_conf **codec_conf,
int *be_id, int adr_index, int dai_index)
{
struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
struct amd_mc_ctx *amd_ctx = (struct amd_mc_ctx *)ctx->private;
struct device *dev = card->dev;
const struct snd_soc_acpi_link_adr *adr_link_next;
struct snd_soc_dai_link_ch_map *sdw_codec_ch_maps;
struct snd_soc_dai_link_component *codecs;
struct snd_soc_dai_link_component *cpus;
struct asoc_sdw_codec_info *codec_info;
int cpu_dai_id[ACP63_SDW_MAX_CPU_DAIS];
int cpu_dai_num;
unsigned int group_id;
unsigned int sdw_link_id;
int codec_dlc_index = 0;
int codec_num;
int stream;
int i = 0;
int j, k;
int ret;
int cpu_pin_id;
ret = get_slave_info(adr_link, dev, cpu_dai_id, &cpu_dai_num, &codec_num,
&group_id, adr_index);
if (ret)
return ret;
codecs = devm_kcalloc(dev, codec_num, sizeof(*codecs), GFP_KERNEL);
if (!codecs)
return -ENOMEM;
sdw_codec_ch_maps = devm_kcalloc(dev, codec_num,
sizeof(*sdw_codec_ch_maps), GFP_KERNEL);
if (!sdw_codec_ch_maps)
return -ENOMEM;
/* generate codec name on different links in the same group */
j = adr_index;
for (adr_link_next = adr_link; adr_link_next && adr_link_next->num_adr &&
i < cpu_dai_num; adr_link_next++) {
/* skip the link excluded by this processed group */
if (cpu_dai_id[i] != ffs(adr_link_next->mask) - 1)
continue;
/* j reset after loop, adr_index only applies to first link */
for (k = 0 ; (j < adr_link_next->num_adr) && (k < codec_num) ; j++, k++) {
const struct snd_soc_acpi_endpoint *endpoints;
endpoints = adr_link_next->adr_d[j].endpoints;
if (group_id && (!endpoints->aggregated ||
endpoints->group_id != group_id))
continue;
/* sanity check */
if (*codec_conf >= card->codec_conf + card->num_configs) {
dev_err(dev, "codec_conf array overflowed\n");
return -EINVAL;
}
ret = fill_sdw_codec_dlc(dev, adr_link_next,
&codecs[codec_dlc_index],
j, dai_index);
if (ret)
return ret;
(*codec_conf)->dlc = codecs[codec_dlc_index];
(*codec_conf)->name_prefix = adr_link_next->adr_d[j].name_prefix;
sdw_codec_ch_maps[codec_dlc_index].cpu = i;
sdw_codec_ch_maps[codec_dlc_index].codec = codec_dlc_index;
codec_dlc_index++;
(*codec_conf)++;
}
j = 0;
/* check next link to create codec dai in the processed group */
i++;
}
/* find codec info to create BE DAI */
codec_info = asoc_sdw_find_codec_info_part(adr_link->adr_d[adr_index].adr);
if (!codec_info)
return -EINVAL;
ctx->ignore_internal_dmic |= codec_info->ignore_internal_dmic;
sdw_link_id = (adr_link->adr_d[adr_index].adr) >> 48;
for_each_pcm_streams(stream) {
char *name, *cpu_name;
int playback, capture;
static const char * const sdw_stream_name[] = {
"SDW%d-PIN%d-PLAYBACK",
"SDW%d-PIN%d-CAPTURE",
"SDW%d-PIN%d-PLAYBACK-%s",
"SDW%d-PIN%d-CAPTURE-%s",
};
if (!codec_info->dais[dai_index].direction[stream])
continue;
*be_id = codec_info->dais[dai_index].dailink[stream];
if (*be_id < 0) {
dev_err(dev, "Invalid dailink id %d\n", *be_id);
return -EINVAL;
}
switch (amd_ctx->acp_rev) {
case ACP63_PCI_REV:
ret = get_acp63_cpu_pin_id(sdw_link_id, *be_id, &cpu_pin_id, dev);
if (ret)
return ret;
break;
default:
return -EINVAL;
}
/* create stream name according to first link id */
if (ctx->append_dai_type) {
name = devm_kasprintf(dev, GFP_KERNEL,
sdw_stream_name[stream + 2], sdw_link_id, cpu_pin_id,
type_strings[codec_info->dais[dai_index].dai_type]);
} else {
name = devm_kasprintf(dev, GFP_KERNEL,
sdw_stream_name[stream], sdw_link_id, cpu_pin_id);
}
if (!name)
return -ENOMEM;
cpus = devm_kcalloc(dev, cpu_dai_num, sizeof(*cpus), GFP_KERNEL);
if (!cpus)
return -ENOMEM;
/*
* generate CPU DAI name base on the sdw link ID and
* cpu pin id according to sdw dai driver.
*/
for (k = 0; k < cpu_dai_num; k++) {
cpu_name = devm_kasprintf(dev, GFP_KERNEL,
"SDW%d Pin%d", sdw_link_id, cpu_pin_id);
if (!cpu_name)
return -ENOMEM;
cpus[k].dai_name = cpu_name;
}
playback = (stream == SNDRV_PCM_STREAM_PLAYBACK);
capture = (stream == SNDRV_PCM_STREAM_CAPTURE);
asoc_sdw_init_dai_link(dev, *dai_links, be_id, name,
playback, capture,
cpus, cpu_dai_num,
platform_component, ARRAY_SIZE(platform_component),
codecs, codec_num,
asoc_sdw_rtd_init, &sdw_ops);
/*
* SoundWire DAILINKs use 'stream' functions and Bank Switch operations
* based on wait_for_completion(), tag them as 'nonatomic'.
*/
(*dai_links)->nonatomic = true;
(*dai_links)->ch_maps = sdw_codec_ch_maps;
ret = set_codec_init_func(card, adr_link, *dai_links,
playback, group_id, adr_index, dai_index);
if (ret < 0) {
dev_err(dev, "failed to init codec 0x%x\n", codec_info->part_id);
return ret;
}
(*dai_links)++;
}
return 0;
}
static int create_dmic_dailinks(struct snd_soc_card *card,
struct snd_soc_dai_link **dai_links, int *be_id)
{
struct device *dev = card->dev;
int ret;
ret = asoc_sdw_init_simple_dai_link(dev, *dai_links, be_id, "acp-dmic-codec",
0, 1, // DMIC only supports capture
"acp-sof-dmic", platform_component->name,
ARRAY_SIZE(platform_component),
"dmic-codec", "dmic-hifi",
asoc_sdw_dmic_init, NULL);
if (ret)
return ret;
(*dai_links)++;
return 0;
}
static int sof_card_dai_links_create(struct snd_soc_card *card)
{
struct device *dev = card->dev;
struct snd_soc_acpi_mach *mach = dev_get_platdata(card->dev);
int sdw_be_num = 0, dmic_num = 0;
struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
struct snd_soc_acpi_mach_params *mach_params = &mach->mach_params;
const struct snd_soc_acpi_link_adr *adr_link = mach_params->links;
struct snd_soc_codec_conf *codec_conf;
int codec_conf_num = 0;
bool group_generated[AMD_SDW_MAX_GROUPS] = { };
struct snd_soc_dai_link *dai_links;
struct asoc_sdw_codec_info *codec_info;
int num_links;
int i, j, be_id = 0;
int ret;
ret = get_dailink_info(dev, adr_link, &sdw_be_num, &codec_conf_num);
if (ret < 0) {
dev_err(dev, "failed to get sdw link info %d\n", ret);
return ret;
}
/* enable dmic */
if (sof_sdw_quirk & ASOC_SDW_ACP_DMIC || mach_params->dmic_num)
dmic_num = 1;
dev_dbg(dev, "sdw %d, dmic %d", sdw_be_num, dmic_num);
/* allocate BE dailinks */
num_links = sdw_be_num + dmic_num;
dai_links = devm_kcalloc(dev, num_links, sizeof(*dai_links), GFP_KERNEL);
if (!dai_links)
return -ENOMEM;
/* allocate codec conf, will be populated when dailinks are created */
codec_conf = devm_kcalloc(dev, codec_conf_num, sizeof(*codec_conf),
GFP_KERNEL);
if (!codec_conf)
return -ENOMEM;
card->dai_link = dai_links;
card->num_links = num_links;
card->codec_conf = codec_conf;
card->num_configs = codec_conf_num;
/* SDW */
if (!sdw_be_num)
goto DMIC;
for (; adr_link->num_adr; adr_link++) {
/*
* If there are two or more different devices on the same sdw link, we have to
* append the codec type to the dai link name to prevent duplicated dai link name.
* The same type devices on the same sdw link will be in the same
* snd_soc_acpi_adr_device array. They won't be described in different adr_links.
*/
for (i = 0; i < adr_link->num_adr; i++) {
/* find codec info to get dai_num */
codec_info = asoc_sdw_find_codec_info_part(adr_link->adr_d[i].adr);
if (!codec_info)
return -EINVAL;
if (codec_info->dai_num > 1) {
ctx->append_dai_type = true;
goto out;
}
for (j = 0; j < i; j++) {
if ((SDW_PART_ID(adr_link->adr_d[i].adr) !=
SDW_PART_ID(adr_link->adr_d[j].adr)) ||
(SDW_MFG_ID(adr_link->adr_d[i].adr) !=
SDW_MFG_ID(adr_link->adr_d[j].adr))) {
ctx->append_dai_type = true;
goto out;
}
}
}
}
out:
/* generate DAI links by each sdw link */
for (adr_link = mach_params->links ; adr_link->num_adr; adr_link++) {
for (i = 0; i < adr_link->num_adr; i++) {
const struct snd_soc_acpi_endpoint *endpoint;
endpoint = adr_link->adr_d[i].endpoints;
/* this group has been generated */
if (endpoint->aggregated &&
group_generated[endpoint->group_id])
continue;
/* find codec info to get dai_num */
codec_info = asoc_sdw_find_codec_info_part(adr_link->adr_d[i].adr);
if (!codec_info)
return -EINVAL;
for (j = 0; j < codec_info->dai_num ; j++) {
int current_be_id;
ret = create_sdw_dailink(card, &dai_links, adr_link,
&codec_conf, &current_be_id,
i, j);
if (ret < 0) {
dev_err(dev,
"failed to create dai link %d on 0x%x\n",
j, codec_info->part_id);
return ret;
}
/* Update the be_id to match the highest ID used for SDW link */
if (be_id < current_be_id)
be_id = current_be_id;
}
if (endpoint->aggregated)
group_generated[endpoint->group_id] = true;
}
}
DMIC:
/* dmic */
if (dmic_num > 0) {
if (ctx->ignore_internal_dmic) {
dev_warn(dev, "Ignoring ACP DMIC\n");
} else {
be_id = SOC_SDW_DMIC_DAI_ID;
ret = create_dmic_dailinks(card, &dai_links, &be_id);
if (ret)
return ret;
}
}
WARN_ON(dai_links != card->dai_link + card->num_links);
return 0;
}
/* SoC card */
static const char sdw_card_long_name[] = "AMD Soundwire SOF";
static int mc_probe(struct platform_device *pdev)
{
struct snd_soc_acpi_mach *mach = dev_get_platdata(&pdev->dev);
struct snd_soc_card *card;
struct amd_mc_ctx *amd_ctx;
struct asoc_sdw_mc_private *ctx;
int amp_num = 0, i;
int ret;
amd_ctx = devm_kzalloc(&pdev->dev, sizeof(*amd_ctx), GFP_KERNEL);
if (!amd_ctx)
return -ENOMEM;
amd_ctx->acp_rev = mach->mach_params.subsystem_rev;
amd_ctx->max_sdw_links = ACP63_SDW_MAX_LINKS;
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
ctx->codec_info_list_count = asoc_sdw_get_codec_info_list_count();
ctx->private = amd_ctx;
card = &ctx->card;
card->dev = &pdev->dev;
card->name = "amd-soundwire",
card->owner = THIS_MODULE,
card->late_probe = asoc_sdw_card_late_probe,
snd_soc_card_set_drvdata(card, ctx);
dmi_check_system(sof_sdw_quirk_table);
if (quirk_override != -1) {
dev_info(card->dev, "Overriding quirk 0x%lx => 0x%x\n",
sof_sdw_quirk, quirk_override);
sof_sdw_quirk = quirk_override;
}
log_quirks(card->dev);
ctx->mc_quirk = sof_sdw_quirk;
/* reset amp_num to ensure amp_num++ starts from 0 in each probe */
for (i = 0; i < ctx->codec_info_list_count; i++)
codec_info_list[i].amp_num = 0;
ret = sof_card_dai_links_create(card);
if (ret < 0)
return ret;
/*
* the default amp_num is zero for each codec and
* amp_num will only be increased for active amp
* codecs on used platform
*/
for (i = 0; i < ctx->codec_info_list_count; i++)
amp_num += codec_info_list[i].amp_num;
card->components = devm_kasprintf(card->dev, GFP_KERNEL,
" cfg-amp:%d", amp_num);
if (!card->components)
return -ENOMEM;
card->long_name = sdw_card_long_name;
/* Register the card */
ret = devm_snd_soc_register_card(card->dev, card);
if (ret) {
dev_err_probe(card->dev, ret, "snd_soc_register_card failed %d\n", ret);
asoc_sdw_mc_dailink_exit_loop(card);
return ret;
}
platform_set_drvdata(pdev, card);
return ret;
}
static void mc_remove(struct platform_device *pdev)
{
struct snd_soc_card *card = platform_get_drvdata(pdev);
asoc_sdw_mc_dailink_exit_loop(card);
}
static const struct platform_device_id mc_id_table[] = {
{ "amd_sof_sdw", },
{}
};
MODULE_DEVICE_TABLE(platform, mc_id_table);
static struct platform_driver sof_sdw_driver = {
.driver = {
.name = "amd_sof_sdw",
.pm = &snd_soc_pm_ops,
},
.probe = mc_probe,
.remove_new = mc_remove,
.id_table = mc_id_table,
};
module_platform_driver(sof_sdw_driver);
MODULE_DESCRIPTION("ASoC AMD SoundWire Generic Machine driver");
MODULE_AUTHOR("Vijendar Mukunda <Vijendar.Mukunda@amd.com");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:amd_sof_sdw");
MODULE_IMPORT_NS(SND_SOC_SDW_UTILS);

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sound/soc/amd/acp/soc_amd_sdw_common.h Normal file
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/* SPDX-License-Identifier: GPL-2.0-only
* Copyright (c) 2024 Advanced Micro Devices, Inc. All rights reserved
*/
/*
* soc_amd_sdw_common.h - prototypes for common helpers
*/
#ifndef SOC_AMD_SDW_COMMON_H
#define SOC_AMD_SDW_COMMON_H
#include <linux/bits.h>
#include <linux/types.h>
#include <sound/soc.h>
#include <sound/soc_sdw_utils.h>
#define ACP63_SDW_MAX_CPU_DAIS 8
#define ACP63_SDW_MAX_LINKS 2
#define AMD_SDW_MAX_GROUPS 9
#define ACP63_PCI_REV 0x63
#define SOC_JACK_JDSRC(quirk) ((quirk) & GENMASK(3, 0))
#define ASOC_SDW_FOUR_SPK BIT(4)
#define ASOC_SDW_ACP_DMIC BIT(5)
#define AMD_SDW0 0
#define AMD_SDW1 1
#define ACP63_SW0_AUDIO0_TX 0
#define ACP63_SW0_AUDIO1_TX 1
#define ACP63_SW0_AUDIO2_TX 2
#define ACP63_SW0_AUDIO0_RX 3
#define ACP63_SW0_AUDIO1_RX 4
#define ACP63_SW0_AUDIO2_RX 5
#define ACP63_SW1_AUDIO0_TX 0
#define ACP63_SW1_AUDIO0_RX 1
struct amd_mc_ctx {
unsigned int acp_rev;
unsigned int max_sdw_links;
};
#endif