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review.shift-gmbh.com / SHIFTPHONES / mainline / linux / b2ffa16a1c837e50a29d43fe93091492693648fe / . / sound / soc / intel / boards / sof_sdw.c
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// SPDX-License-Identifier: GPL-2.0-only
// Copyright (c) 2020 Intel Corporation
/*
* sof_sdw - ASOC Machine driver for Intel SoundWire platforms
*/
#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 "sof_sdw_common.h"
#include "../../codecs/rt711.h"
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");
#define INC_ID(BE, CPU, LINK) do { (BE)++; (CPU)++; (LINK)++; } while (0)
static void log_quirks(struct device *dev)
{
if (SOF_RT711_JDSRC(sof_sdw_quirk))
dev_dbg(dev, "quirk realtek,jack-detect-source %ld\n",
SOF_RT711_JDSRC(sof_sdw_quirk));
if (sof_sdw_quirk & SOF_SDW_FOUR_SPK)
dev_dbg(dev, "quirk SOF_SDW_FOUR_SPK enabled\n");
if (sof_sdw_quirk & SOF_SDW_TGL_HDMI)
dev_dbg(dev, "quirk SOF_SDW_TGL_HDMI enabled\n");
if (sof_sdw_quirk & SOF_SDW_PCH_DMIC)
dev_dbg(dev, "quirk SOF_SDW_PCH_DMIC enabled\n");
if (SOF_SSP_GET_PORT(sof_sdw_quirk))
dev_dbg(dev, "SSP port %ld\n",
SOF_SSP_GET_PORT(sof_sdw_quirk));
if (sof_sdw_quirk & SOF_RT715_DAI_ID_FIX)
dev_dbg(dev, "quirk SOF_RT715_DAI_ID_FIX enabled\n");
if (sof_sdw_quirk & SOF_SDW_NO_AGGREGATION)
dev_dbg(dev, "quirk SOF_SDW_NO_AGGREGATION 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[] = {
/* CometLake devices */
{
.callback = sof_sdw_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
DMI_MATCH(DMI_PRODUCT_NAME, "CometLake Client"),
},
.driver_data = (void *)SOF_SDW_PCH_DMIC,
},
{
.callback = sof_sdw_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "09C6")
},
.driver_data = (void *)(RT711_JD2 |
SOF_RT715_DAI_ID_FIX),
},
{
/* early version of SKU 09C6 */
.callback = sof_sdw_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0983")
},
.driver_data = (void *)(RT711_JD2 |
SOF_RT715_DAI_ID_FIX),
},
{
.callback = sof_sdw_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "098F"),
},
.driver_data = (void *)(RT711_JD2 |
SOF_RT715_DAI_ID_FIX |
SOF_SDW_FOUR_SPK),
},
{
.callback = sof_sdw_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0990"),
},
.driver_data = (void *)(RT711_JD2 |
SOF_RT715_DAI_ID_FIX |
SOF_SDW_FOUR_SPK),
},
/* IceLake devices */
{
.callback = sof_sdw_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
DMI_MATCH(DMI_PRODUCT_NAME, "Ice Lake Client"),
},
.driver_data = (void *)SOF_SDW_PCH_DMIC,
},
/* TigerLake devices */
{
.callback = sof_sdw_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
DMI_MATCH(DMI_PRODUCT_NAME,
"Tiger Lake Client Platform"),
},
.driver_data = (void *)(SOF_SDW_TGL_HDMI |
RT711_JD1 |
SOF_SDW_PCH_DMIC |
SOF_SSP_PORT(SOF_I2S_SSP2)),
},
{
.callback = sof_sdw_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A3E")
},
.driver_data = (void *)(SOF_SDW_TGL_HDMI |
RT711_JD2 |
SOF_RT715_DAI_ID_FIX),
},
{
/* Dell XPS 9710 */
.callback = sof_sdw_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A5D")
},
.driver_data = (void *)(SOF_SDW_TGL_HDMI |
RT711_JD2 |
SOF_RT715_DAI_ID_FIX |
SOF_SDW_FOUR_SPK),
},
{
.callback = sof_sdw_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A5E")
},
.driver_data = (void *)(SOF_SDW_TGL_HDMI |
RT711_JD2 |
SOF_RT715_DAI_ID_FIX |
SOF_SDW_FOUR_SPK),
},
{
.callback = sof_sdw_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Google"),
DMI_MATCH(DMI_PRODUCT_NAME, "Volteer"),
},
.driver_data = (void *)(SOF_SDW_TGL_HDMI |
SOF_SDW_PCH_DMIC |
SOF_SDW_FOUR_SPK |
SOF_BT_OFFLOAD_SSP(2) |
SOF_SSP_BT_OFFLOAD_PRESENT),
},
{
.callback = sof_sdw_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Google"),
DMI_MATCH(DMI_PRODUCT_NAME, "Ripto"),
},
.driver_data = (void *)(SOF_SDW_TGL_HDMI |
SOF_SDW_PCH_DMIC |
SOF_SDW_FOUR_SPK),
},
{
/*
* this entry covers multiple HP SKUs. The family name
* does not seem robust enough, so we use a partial
* match that ignores the product name suffix
* (e.g. 15-eb1xxx, 14t-ea000 or 13-aw2xxx)
*/
.callback = sof_sdw_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "HP"),
DMI_MATCH(DMI_PRODUCT_NAME, "HP Spectre x360 Convertible"),
},
.driver_data = (void *)(SOF_SDW_TGL_HDMI |
SOF_SDW_PCH_DMIC |
RT711_JD2),
},
{
/* NUC15 'Bishop County' LAPBC510 and LAPBC710 skews */
.callback = sof_sdw_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Intel(R) Client Systems"),
DMI_MATCH(DMI_PRODUCT_NAME, "LAPBC"),
},
.driver_data = (void *)(SOF_SDW_TGL_HDMI |
SOF_SDW_PCH_DMIC |
RT711_JD1),
},
/* TigerLake-SDCA devices */
{
.callback = sof_sdw_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A32")
},
.driver_data = (void *)(SOF_SDW_TGL_HDMI |
RT711_JD2 |
SOF_RT715_DAI_ID_FIX |
SOF_SDW_FOUR_SPK),
},
/* AlderLake devices */
{
.callback = sof_sdw_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
DMI_MATCH(DMI_PRODUCT_NAME, "Alder Lake Client Platform"),
},
.driver_data = (void *)(RT711_JD2_100K |
SOF_SDW_TGL_HDMI |
SOF_RT715_DAI_ID_FIX |
SOF_BT_OFFLOAD_SSP(2) |
SOF_SSP_BT_OFFLOAD_PRESENT),
},
{
.callback = sof_sdw_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Google"),
DMI_MATCH(DMI_PRODUCT_NAME, "Brya"),
},
.driver_data = (void *)(SOF_SDW_TGL_HDMI |
SOF_SDW_PCH_DMIC |
SOF_SDW_FOUR_SPK |
SOF_BT_OFFLOAD_SSP(2) |
SOF_SSP_BT_OFFLOAD_PRESENT),
},
{}
};
static struct snd_soc_dai_link_component dmic_component[] = {
{
.name = "dmic-codec",
.dai_name = "dmic-hifi",
}
};
static struct snd_soc_dai_link_component platform_component[] = {
{
/* name might be overridden during probe */
.name = "0000:00:1f.3"
}
};
/* these wrappers are only needed to avoid typecast compilation errors */
int sdw_startup(struct snd_pcm_substream *substream)
{
return sdw_startup_stream(substream);
}
int sdw_prepare(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct sdw_stream_runtime *sdw_stream;
struct snd_soc_dai *dai;
/* Find stream from first CPU DAI */
dai = asoc_rtd_to_cpu(rtd, 0);
sdw_stream = snd_soc_dai_get_sdw_stream(dai, substream->stream);
if (IS_ERR(sdw_stream)) {
dev_err(rtd->dev, "no stream found for DAI %s", dai->name);
return PTR_ERR(sdw_stream);
}
return sdw_prepare_stream(sdw_stream);
}
int sdw_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct sdw_stream_runtime *sdw_stream;
struct snd_soc_dai *dai;
int ret;
/* Find stream from first CPU DAI */
dai = asoc_rtd_to_cpu(rtd, 0);
sdw_stream = snd_soc_dai_get_sdw_stream(dai, substream->stream);
if (IS_ERR(sdw_stream)) {
dev_err(rtd->dev, "no stream found for DAI %s", dai->name);
return PTR_ERR(sdw_stream);
}
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
ret = sdw_enable_stream(sdw_stream);
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_STOP:
ret = sdw_disable_stream(sdw_stream);
break;
default:
ret = -EINVAL;
break;
}
if (ret)
dev_err(rtd->dev, "%s trigger %d failed: %d", __func__, cmd, ret);
return ret;
}
int sdw_hw_free(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct sdw_stream_runtime *sdw_stream;
struct snd_soc_dai *dai;
/* Find stream from first CPU DAI */
dai = asoc_rtd_to_cpu(rtd, 0);
sdw_stream = snd_soc_dai_get_sdw_stream(dai, substream->stream);
if (IS_ERR(sdw_stream)) {
dev_err(rtd->dev, "no stream found for DAI %s", dai->name);
return PTR_ERR(sdw_stream);
}
return sdw_deprepare_stream(sdw_stream);
}
void sdw_shutdown(struct snd_pcm_substream *substream)
{
sdw_shutdown_stream(substream);
}
static const struct snd_soc_ops sdw_ops = {
.startup = sdw_startup,
.prepare = sdw_prepare,
.trigger = sdw_trigger,
.hw_free = sdw_hw_free,
.shutdown = sdw_shutdown,
};
static int sof_sdw_mic_codec_mockup_init(struct snd_soc_card *card,
const struct snd_soc_acpi_link_adr *link,
struct snd_soc_dai_link *dai_links,
struct sof_sdw_codec_info *info,
bool playback)
{
/*
* force DAI link to use same ID as RT715 and DMIC
* to reuse topologies
*/
dai_links->id = SDW_DMIC_DAI_ID;
return 0;
}
static struct sof_sdw_codec_info codec_info_list[] = {
{
.part_id = 0x700,
.direction = {true, true},
.dai_name = "rt700-aif1",
.init = sof_sdw_rt700_init,
},
{
.part_id = 0x711,
.version_id = 3,
.direction = {true, true},
.dai_name = "rt711-sdca-aif1",
.init = sof_sdw_rt711_sdca_init,
.exit = sof_sdw_rt711_sdca_exit,
},
{
.part_id = 0x711,
.version_id = 2,
.direction = {true, true},
.dai_name = "rt711-aif1",
.init = sof_sdw_rt711_init,
.exit = sof_sdw_rt711_exit,
},
{
.part_id = 0x1308,
.acpi_id = "10EC1308",
.direction = {true, false},
.dai_name = "rt1308-aif",
.ops = &sof_sdw_rt1308_i2s_ops,
.init = sof_sdw_rt1308_init,
},
{
.part_id = 0x1316,
.direction = {true, true},
.dai_name = "rt1316-aif",
.init = sof_sdw_rt1316_init,
},
{
.part_id = 0x714,
.version_id = 3,
.direction = {false, true},
.ignore_pch_dmic = true,
.dai_name = "rt715-aif2",
.init = sof_sdw_rt715_sdca_init,
},
{
.part_id = 0x715,
.version_id = 3,
.direction = {false, true},
.ignore_pch_dmic = true,
.dai_name = "rt715-aif2",
.init = sof_sdw_rt715_sdca_init,
},
{
.part_id = 0x714,
.version_id = 2,
.direction = {false, true},
.ignore_pch_dmic = true,
.dai_name = "rt715-aif2",
.init = sof_sdw_rt715_init,
},
{
.part_id = 0x715,
.version_id = 2,
.direction = {false, true},
.ignore_pch_dmic = true,
.dai_name = "rt715-aif2",
.init = sof_sdw_rt715_init,
},
{
.part_id = 0x8373,
.direction = {true, true},
.dai_name = "max98373-aif1",
.init = sof_sdw_mx8373_init,
.codec_card_late_probe = sof_sdw_mx8373_late_probe,
},
{
.part_id = 0x5682,
.direction = {true, true},
.dai_name = "rt5682-sdw",
.init = sof_sdw_rt5682_init,
},
{
.part_id = 0xaaaa, /* generic codec mockup */
.version_id = 0,
.direction = {true, true},
.dai_name = "sdw-mockup-aif1",
.init = NULL,
},
{
.part_id = 0xaa55, /* headset codec mockup */
.version_id = 0,
.direction = {true, true},
.dai_name = "sdw-mockup-aif1",
.init = NULL,
},
{
.part_id = 0x55aa, /* amplifier mockup */
.version_id = 0,
.direction = {true, false},
.dai_name = "sdw-mockup-aif1",
.init = NULL,
},
{
.part_id = 0x5555,
.version_id = 0,
.direction = {false, true},
.dai_name = "sdw-mockup-aif1",
.init = sof_sdw_mic_codec_mockup_init,
},
};
static inline int find_codec_info_part(u64 adr)
{
unsigned int part_id, sdw_version;
int i;
part_id = SDW_PART_ID(adr);
sdw_version = SDW_VERSION(adr);
for (i = 0; i < ARRAY_SIZE(codec_info_list); i++)
/*
* A codec info is for all sdw version with the part id if
* version_id is not specified in the codec info.
*/
if (part_id == codec_info_list[i].part_id &&
(!codec_info_list[i].version_id ||
sdw_version == codec_info_list[i].version_id))
return i;
return -EINVAL;
}
static inline int find_codec_info_acpi(const u8 *acpi_id)
{
int i;
if (!acpi_id[0])
return -EINVAL;
for (i = 0; i < ARRAY_SIZE(codec_info_list); i++)
if (!memcmp(codec_info_list[i].acpi_id, acpi_id,
ACPI_ID_LEN))
break;
if (i == ARRAY_SIZE(codec_info_list))
return -EINVAL;
return i;
}
/*
* 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_sdw_dailink_info(const struct snd_soc_acpi_link_adr *links,
int *sdw_be_num, int *sdw_cpu_dai_num)
{
const struct snd_soc_acpi_link_adr *link;
bool group_visited[SDW_MAX_GROUPS];
bool no_aggregation;
int i;
no_aggregation = sof_sdw_quirk & SOF_SDW_NO_AGGREGATION;
*sdw_cpu_dai_num = 0;
*sdw_be_num = 0;
if (!links)
return -EINVAL;
for (i = 0; i < SDW_MAX_GROUPS; i++)
group_visited[i] = false;
for (link = links; link->num_adr; link++) {
const struct snd_soc_acpi_endpoint *endpoint;
int codec_index;
int stream;
u64 adr;
adr = link->adr_d->adr;
codec_index = find_codec_info_part(adr);
if (codec_index < 0)
return codec_index;
endpoint = link->adr_d->endpoints;
/* count DAI number for playback and capture */
for_each_pcm_streams(stream) {
if (!codec_info_list[codec_index].direction[stream])
continue;
(*sdw_cpu_dai_num)++;
/* count BE for each non-aggregated slave or group */
if (!endpoint->aggregated || no_aggregation ||
!group_visited[endpoint->group_id])
(*sdw_be_num)++;
}
if (endpoint->aggregated)
group_visited[endpoint->group_id] = true;
}
return 0;
}
static void init_dai_link(struct device *dev, struct snd_soc_dai_link *dai_links,
int be_id, char *name, int playback, int capture,
struct snd_soc_dai_link_component *cpus, int cpus_num,
struct snd_soc_dai_link_component *codecs, int codecs_num,
int (*init)(struct snd_soc_pcm_runtime *rtd),
const struct snd_soc_ops *ops)
{
dev_dbg(dev, "create dai link %s, id %d\n", name, be_id);
dai_links->id = be_id;
dai_links->name = name;
dai_links->platforms = platform_component;
dai_links->num_platforms = ARRAY_SIZE(platform_component);
dai_links->no_pcm = 1;
dai_links->cpus = cpus;
dai_links->num_cpus = cpus_num;
dai_links->codecs = codecs;
dai_links->num_codecs = codecs_num;
dai_links->dpcm_playback = playback;
dai_links->dpcm_capture = capture;
dai_links->init = init;
dai_links->ops = ops;
}
static bool is_unique_device(const struct snd_soc_acpi_link_adr *link,
unsigned int sdw_version,
unsigned int mfg_id,
unsigned int part_id,
unsigned int class_id,
int index_in_link
)
{
int i;
for (i = 0; i < link->num_adr; i++) {
unsigned int sdw1_version, mfg1_id, part1_id, class1_id;
u64 adr;
/* skip itself */
if (i == index_in_link)
continue;
adr = link->adr_d[i].adr;
sdw1_version = SDW_VERSION(adr);
mfg1_id = SDW_MFG_ID(adr);
part1_id = SDW_PART_ID(adr);
class1_id = SDW_CLASS_ID(adr);
if (sdw_version == sdw1_version &&
mfg_id == mfg1_id &&
part_id == part1_id &&
class_id == class1_id)
return false;
}
return true;
}
static int create_codec_dai_name(struct device *dev,
const struct snd_soc_acpi_link_adr *link,
struct snd_soc_dai_link_component *codec,
int offset,
struct snd_soc_codec_conf *codec_conf,
int codec_count,
int *codec_conf_index)
{
int i;
/* sanity check */
if (*codec_conf_index + link->num_adr > codec_count) {
dev_err(dev, "codec_conf: out-of-bounds access requested\n");
return -EINVAL;
}
for (i = 0; i < link->num_adr; i++) {
unsigned int sdw_version, unique_id, mfg_id;
unsigned int link_id, part_id, class_id;
int codec_index, comp_index;
char *codec_str;
u64 adr;
adr = link->adr_d[i].adr;
sdw_version = SDW_VERSION(adr);
link_id = SDW_DISCO_LINK_ID(adr);
unique_id = SDW_UNIQUE_ID(adr);
mfg_id = SDW_MFG_ID(adr);
part_id = SDW_PART_ID(adr);
class_id = SDW_CLASS_ID(adr);
comp_index = i + offset;
if (is_unique_device(link, sdw_version, mfg_id, part_id,
class_id, i)) {
codec_str = "sdw:%01x:%04x:%04x:%02x";
codec[comp_index].name =
devm_kasprintf(dev, GFP_KERNEL, codec_str,
link_id, mfg_id, part_id,
class_id);
} else {
codec_str = "sdw:%01x:%04x:%04x:%02x:%01x";
codec[comp_index].name =
devm_kasprintf(dev, GFP_KERNEL, codec_str,
link_id, mfg_id, part_id,
class_id, unique_id);
}
if (!codec[comp_index].name)
return -ENOMEM;
codec_index = find_codec_info_part(adr);
if (codec_index < 0)
return codec_index;
codec[comp_index].dai_name =
codec_info_list[codec_index].dai_name;
codec_conf[*codec_conf_index].dlc = codec[comp_index];
codec_conf[*codec_conf_index].name_prefix = link->adr_d[i].name_prefix;
++*codec_conf_index;
}
return 0;
}
static int set_codec_init_func(struct snd_soc_card *card,
const struct snd_soc_acpi_link_adr *link,
struct snd_soc_dai_link *dai_links,
bool playback, int group_id)
{
int i;
do {
/*
* Initialize the codec. If codec is part of an aggregated
* group (group_id>0), initialize all codecs belonging to
* same group.
*/
for (i = 0; i < link->num_adr; i++) {
int codec_index;
codec_index = find_codec_info_part(link->adr_d[i].adr);
if (codec_index < 0)
return codec_index;
/* The group_id is > 0 iff the codec is aggregated */
if (link->adr_d[i].endpoints->group_id != group_id)
continue;
if (codec_info_list[codec_index].init)
codec_info_list[codec_index].init(card,
link,
dai_links,
&codec_info_list[codec_index],
playback);
}
link++;
} while (link->mask && group_id);
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 = 0
* one sdw BE DAI <---> one-cpu DAI <---> multi-codec DAIs
*
* multiple links with multiple slaves with aggregated = 1
* one sdw BE DAI <---> 1 .. N CPU DAIs <----> 1 .. N 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,
bool *group_generated)
{
const struct snd_soc_acpi_adr_device *adr_d;
const struct snd_soc_acpi_link_adr *adr_next;
bool no_aggregation;
int index = 0;
no_aggregation = sof_sdw_quirk & SOF_SDW_NO_AGGREGATION;
*codec_num = adr_link->num_adr;
adr_d = adr_link->adr_d;
/* make sure the link mask has a single bit set */
if (!is_power_of_2(adr_link->mask))
return -EINVAL;
cpu_dai_id[index++] = ffs(adr_link->mask) - 1;
if (!adr_d->endpoints->aggregated || no_aggregation) {
*cpu_dai_num = 1;
*group_id = 0;
return 0;
}
*group_id = adr_d->endpoints->group_id;
/* gather other link ID of slaves in the same group */
for (adr_next = adr_link + 1; adr_next && adr_next->num_adr;
adr_next++) {
const struct snd_soc_acpi_endpoint *endpoint;
endpoint = adr_next->adr_d->endpoints;
if (!endpoint->aggregated ||
endpoint->group_id != *group_id)
continue;
/* make sure the link mask has a single bit set */
if (!is_power_of_2(adr_next->mask))
return -EINVAL;
if (index >= SDW_MAX_CPU_DAIS) {
dev_err(dev, " cpu_dai_id array overflows");
return -EINVAL;
}
cpu_dai_id[index++] = ffs(adr_next->mask) - 1;
*codec_num += adr_next->num_adr;
}
/*
* indicate CPU DAIs for this group have been generated
* to avoid generating CPU DAIs for this group again.
*/
group_generated[*group_id] = true;
*cpu_dai_num = index;
return 0;
}
static int create_sdw_dailink(struct snd_soc_card *card,
struct device *dev, int *be_index,
struct snd_soc_dai_link *dai_links,
int sdw_be_num, int sdw_cpu_dai_num,
struct snd_soc_dai_link_component *cpus,
const struct snd_soc_acpi_link_adr *link,
int *cpu_id, bool *group_generated,
struct snd_soc_codec_conf *codec_conf,
int codec_count,
int *codec_conf_index,
bool *ignore_pch_dmic)
{
const struct snd_soc_acpi_link_adr *link_next;
struct snd_soc_dai_link_component *codecs;
int cpu_dai_id[SDW_MAX_CPU_DAIS];
int cpu_dai_num, cpu_dai_index;
unsigned int group_id;
int codec_idx = 0;
int i = 0, j = 0;
int codec_index;
int codec_num;
int stream;
int ret;
int k;
ret = get_slave_info(link, dev, cpu_dai_id, &cpu_dai_num, &codec_num,
&group_id, group_generated);
if (ret)
return ret;
codecs = devm_kcalloc(dev, codec_num, sizeof(*codecs), GFP_KERNEL);
if (!codecs)
return -ENOMEM;
/* generate codec name on different links in the same group */
for (link_next = link; link_next && link_next->num_adr &&
i < cpu_dai_num; link_next++) {
const struct snd_soc_acpi_endpoint *endpoints;
endpoints = link_next->adr_d->endpoints;
if (group_id && (!endpoints->aggregated ||
endpoints->group_id != group_id))
continue;
/* skip the link excluded by this processed group */
if (cpu_dai_id[i] != ffs(link_next->mask) - 1)
continue;
ret = create_codec_dai_name(dev, link_next, codecs, codec_idx,
codec_conf, codec_count, codec_conf_index);
if (ret < 0)
return ret;
/* check next link to create codec dai in the processed group */
i++;
codec_idx += link_next->num_adr;
}
/* find codec info to create BE DAI */
codec_index = find_codec_info_part(link->adr_d[0].adr);
if (codec_index < 0)
return codec_index;
if (codec_info_list[codec_index].ignore_pch_dmic)
*ignore_pch_dmic = true;
cpu_dai_index = *cpu_id;
for_each_pcm_streams(stream) {
char *name, *cpu_name;
int playback, capture;
static const char * const sdw_stream_name[] = {
"SDW%d-Playback",
"SDW%d-Capture",
};
if (!codec_info_list[codec_index].direction[stream])
continue;
/* create stream name according to first link id */
name = devm_kasprintf(dev, GFP_KERNEL,
sdw_stream_name[stream], cpu_dai_id[0]);
if (!name)
return -ENOMEM;
/*
* generate CPU DAI name base on the sdw link ID and
* PIN ID with offset of 2 according to sdw dai driver.
*/
for (k = 0; k < cpu_dai_num; k++) {
cpu_name = devm_kasprintf(dev, GFP_KERNEL,
"SDW%d Pin%d", cpu_dai_id[k],
j + SDW_INTEL_BIDIR_PDI_BASE);
if (!cpu_name)
return -ENOMEM;
if (cpu_dai_index >= sdw_cpu_dai_num) {
dev_err(dev, "invalid cpu dai index %d",
cpu_dai_index);
return -EINVAL;
}
cpus[cpu_dai_index++].dai_name = cpu_name;
}
if (*be_index >= sdw_be_num) {
dev_err(dev, " invalid be dai index %d", *be_index);
return -EINVAL;
}
if (*cpu_id >= sdw_cpu_dai_num) {
dev_err(dev, " invalid cpu dai index %d", *cpu_id);
return -EINVAL;
}
playback = (stream == SNDRV_PCM_STREAM_PLAYBACK);
capture = (stream == SNDRV_PCM_STREAM_CAPTURE);
init_dai_link(dev, dai_links + *be_index, *be_index, name,
playback, capture,
cpus + *cpu_id, cpu_dai_num,
codecs, codec_num,
NULL, &sdw_ops);
/*
* SoundWire DAILINKs use 'stream' functions and Bank Switch operations
* based on wait_for_completion(), tag them as 'nonatomic'.
*/
dai_links[*be_index].nonatomic = true;
ret = set_codec_init_func(card, link, dai_links + (*be_index)++,
playback, group_id);
if (ret < 0) {
dev_err(dev, "failed to init codec %d", codec_index);
return ret;
}
*cpu_id += cpu_dai_num;
j++;
}
return 0;
}
/*
* DAI link ID of SSP & DMIC & HDMI are based on last
* link ID used by sdw link. Since be_id may be changed
* in init func of sdw codec, it is not equal to be_id
*/
static inline int get_next_be_id(struct snd_soc_dai_link *links,
int be_id)
{
return links[be_id - 1].id + 1;
}
#define IDISP_CODEC_MASK 0x4
static int sof_card_codec_conf_alloc(struct device *dev,
struct snd_soc_acpi_mach_params *mach_params,
struct snd_soc_codec_conf **codec_conf,
int *codec_conf_count)
{
const struct snd_soc_acpi_link_adr *adr_link;
struct snd_soc_codec_conf *c_conf;
int num_codecs = 0;
int i;
adr_link = mach_params->links;
if (!adr_link)
return -EINVAL;
/* generate DAI links by each sdw link */
for (; adr_link->num_adr; adr_link++) {
for (i = 0; i < adr_link->num_adr; i++) {
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;
}
}
num_codecs += adr_link->num_adr;
}
c_conf = devm_kzalloc(dev, num_codecs * sizeof(*c_conf), GFP_KERNEL);
if (!c_conf)
return -ENOMEM;
*codec_conf = c_conf;
*codec_conf_count = num_codecs;
return 0;
}
static int sof_card_dai_links_create(struct device *dev,
struct snd_soc_acpi_mach *mach,
struct snd_soc_card *card)
{
int ssp_num, sdw_be_num = 0, hdmi_num = 0, dmic_num;
struct mc_private *ctx = snd_soc_card_get_drvdata(card);
struct snd_soc_dai_link_component *idisp_components;
struct snd_soc_dai_link_component *ssp_components;
struct snd_soc_acpi_mach_params *mach_params;
const struct snd_soc_acpi_link_adr *adr_link;
struct snd_soc_dai_link_component *cpus;
struct snd_soc_codec_conf *codec_conf;
bool ignore_pch_dmic = false;
int codec_conf_count;
int codec_conf_index = 0;
bool group_generated[SDW_MAX_GROUPS];
int ssp_codec_index, ssp_mask;
struct snd_soc_dai_link *links;
int num_links, link_id = 0;
char *name, *cpu_name;
int total_cpu_dai_num;
int sdw_cpu_dai_num;
int i, j, be_id = 0;
int cpu_id = 0;
int comp_num;
int ret;
mach_params = &mach->mach_params;
/* allocate codec conf, will be populated when dailinks are created */
ret = sof_card_codec_conf_alloc(dev, mach_params, &codec_conf, &codec_conf_count);
if (ret < 0)
return ret;
/* reset amp_num to ensure amp_num++ starts from 0 in each probe */
for (i = 0; i < ARRAY_SIZE(codec_info_list); i++)
codec_info_list[i].amp_num = 0;
if (sof_sdw_quirk & SOF_SDW_TGL_HDMI)
hdmi_num = SOF_TGL_HDMI_COUNT;
else
hdmi_num = SOF_PRE_TGL_HDMI_COUNT;
ssp_mask = SOF_SSP_GET_PORT(sof_sdw_quirk);
/*
* on generic tgl platform, I2S or sdw mode is supported
* based on board rework. A ACPI device is registered in
* system only when I2S mode is supported, not sdw mode.
* Here check ACPI ID to confirm I2S is supported.
*/
ssp_codec_index = find_codec_info_acpi(mach->id);
ssp_num = ssp_codec_index >= 0 ? hweight_long(ssp_mask) : 0;
comp_num = hdmi_num + ssp_num;
ret = get_sdw_dailink_info(mach_params->links,
&sdw_be_num, &sdw_cpu_dai_num);
if (ret < 0) {
dev_err(dev, "failed to get sdw link info %d", ret);
return ret;
}
if (mach_params->codec_mask & IDISP_CODEC_MASK)
ctx->idisp_codec = true;
/* enable dmic01 & dmic16k */
dmic_num = (sof_sdw_quirk & SOF_SDW_PCH_DMIC || mach_params->dmic_num) ? 2 : 0;
comp_num += dmic_num;
if (sof_sdw_quirk & SOF_SSP_BT_OFFLOAD_PRESENT)
comp_num++;
dev_dbg(dev, "sdw %d, ssp %d, dmic %d, hdmi %d", sdw_be_num, ssp_num,
dmic_num, ctx->idisp_codec ? hdmi_num : 0);
/* allocate BE dailinks */
num_links = comp_num + sdw_be_num;
links = devm_kcalloc(dev, num_links, sizeof(*links), GFP_KERNEL);
/* allocated CPU DAIs */
total_cpu_dai_num = comp_num + sdw_cpu_dai_num;
cpus = devm_kcalloc(dev, total_cpu_dai_num, sizeof(*cpus),
GFP_KERNEL);
if (!links || !cpus)
return -ENOMEM;
/* SDW */
if (!sdw_be_num)
goto SSP;
adr_link = mach_params->links;
if (!adr_link)
return -EINVAL;
/*
* SoundWire Slaves aggregated in the same group may be
* located on different hardware links. Clear array to indicate
* CPU DAIs for this group have not been generated.
*/
for (i = 0; i < SDW_MAX_GROUPS; i++)
group_generated[i] = false;
/* generate DAI links by each sdw link */
for (; adr_link->num_adr; adr_link++) {
const struct snd_soc_acpi_endpoint *endpoint;
endpoint = adr_link->adr_d->endpoints;
if (endpoint->aggregated && !endpoint->group_id) {
dev_err(dev, "invalid group id on link %x",
adr_link->mask);
continue;
}
/* this group has been generated */
if (endpoint->aggregated &&
group_generated[endpoint->group_id])
continue;
ret = create_sdw_dailink(card, dev, &be_id, links, sdw_be_num,
sdw_cpu_dai_num, cpus, adr_link,
&cpu_id, group_generated,
codec_conf, codec_conf_count,
&codec_conf_index,
&ignore_pch_dmic);
if (ret < 0) {
dev_err(dev, "failed to create dai link %d", be_id);
return -ENOMEM;
}
}
/* non-sdw DAI follows sdw DAI */
link_id = be_id;
/* get BE ID for non-sdw DAI */
be_id = get_next_be_id(links, be_id);
SSP:
/* SSP */
if (!ssp_num)
goto DMIC;
for (i = 0, j = 0; ssp_mask; i++, ssp_mask >>= 1) {
struct sof_sdw_codec_info *info;
int playback, capture;
char *codec_name;
if (!(ssp_mask & 0x1))
continue;
name = devm_kasprintf(dev, GFP_KERNEL,
"SSP%d-Codec", i);
if (!name)
return -ENOMEM;
cpu_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", i);
if (!cpu_name)
return -ENOMEM;
ssp_components = devm_kzalloc(dev, sizeof(*ssp_components),
GFP_KERNEL);
if (!ssp_components)
return -ENOMEM;
info = &codec_info_list[ssp_codec_index];
codec_name = devm_kasprintf(dev, GFP_KERNEL, "i2c-%s:0%d",
info->acpi_id, j++);
if (!codec_name)
return -ENOMEM;
ssp_components->name = codec_name;
ssp_components->dai_name = info->dai_name;
cpus[cpu_id].dai_name = cpu_name;
playback = info->direction[SNDRV_PCM_STREAM_PLAYBACK];
capture = info->direction[SNDRV_PCM_STREAM_CAPTURE];
init_dai_link(dev, links + link_id, be_id, name,
playback, capture,
cpus + cpu_id, 1,
ssp_components, 1,
NULL, info->ops);
ret = info->init(card, NULL, links + link_id, info, 0);
if (ret < 0)
return ret;
INC_ID(be_id, cpu_id, link_id);
}
DMIC:
/* dmic */
if (dmic_num > 0) {
if (ignore_pch_dmic) {
dev_warn(dev, "Ignoring PCH DMIC\n");
goto HDMI;
}
cpus[cpu_id].dai_name = "DMIC01 Pin";
init_dai_link(dev, links + link_id, be_id, "dmic01",
0, 1, // DMIC only supports capture
cpus + cpu_id, 1,
dmic_component, 1,
sof_sdw_dmic_init, NULL);
INC_ID(be_id, cpu_id, link_id);
cpus[cpu_id].dai_name = "DMIC16k Pin";
init_dai_link(dev, links + link_id, be_id, "dmic16k",
0, 1, // DMIC only supports capture
cpus + cpu_id, 1,
dmic_component, 1,
/* don't call sof_sdw_dmic_init() twice */
NULL, NULL);
INC_ID(be_id, cpu_id, link_id);
}
HDMI:
/* HDMI */
if (hdmi_num > 0) {
idisp_components = devm_kcalloc(dev, hdmi_num,
sizeof(*idisp_components),
GFP_KERNEL);
if (!idisp_components)
return -ENOMEM;
}
for (i = 0; i < hdmi_num; i++) {
name = devm_kasprintf(dev, GFP_KERNEL,
"iDisp%d", i + 1);
if (!name)
return -ENOMEM;
if (ctx->idisp_codec) {
idisp_components[i].name = "ehdaudio0D2";
idisp_components[i].dai_name = devm_kasprintf(dev,
GFP_KERNEL,
"intel-hdmi-hifi%d",
i + 1);
if (!idisp_components[i].dai_name)
return -ENOMEM;
} else {
idisp_components[i].name = "snd-soc-dummy";
idisp_components[i].dai_name = "snd-soc-dummy-dai";
}
cpu_name = devm_kasprintf(dev, GFP_KERNEL,
"iDisp%d Pin", i + 1);
if (!cpu_name)
return -ENOMEM;
cpus[cpu_id].dai_name = cpu_name;
init_dai_link(dev, links + link_id, be_id, name,
1, 0, // HDMI only supports playback
cpus + cpu_id, 1,
idisp_components + i, 1,
sof_sdw_hdmi_init, NULL);
INC_ID(be_id, cpu_id, link_id);
}
if (sof_sdw_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) {
int port = (sof_sdw_quirk & SOF_BT_OFFLOAD_SSP_MASK) >>
SOF_BT_OFFLOAD_SSP_SHIFT;
name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-BT", port);
if (!name)
return -ENOMEM;
ssp_components = devm_kzalloc(dev, sizeof(*ssp_components),
GFP_KERNEL);
if (!ssp_components)
return -ENOMEM;
ssp_components->name = "snd-soc-dummy";
ssp_components->dai_name = "snd-soc-dummy-dai";
cpu_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", port);
if (!cpu_name)
return -ENOMEM;
cpus[cpu_id].dai_name = cpu_name;
init_dai_link(dev, links + link_id, be_id, name, 1, 1,
cpus + cpu_id, 1, ssp_components, 1, NULL, NULL);
}
card->dai_link = links;
card->num_links = num_links;
card->codec_conf = codec_conf;
card->num_configs = codec_conf_count;
return 0;
}
static int sof_sdw_card_late_probe(struct snd_soc_card *card)
{
int i, ret;
for (i = 0; i < ARRAY_SIZE(codec_info_list); i++) {
if (!codec_info_list[i].late_probe)
continue;
ret = codec_info_list[i].codec_card_late_probe(card);
if (ret < 0)
return ret;
}
return sof_sdw_hdmi_card_late_probe(card);
}
/* SoC card */
static const char sdw_card_long_name[] = "Intel Soundwire SOF";
static struct snd_soc_card card_sof_sdw = {
.name = "soundwire",
.owner = THIS_MODULE,
.late_probe = sof_sdw_card_late_probe,
};
static int mc_probe(struct platform_device *pdev)
{
struct snd_soc_card *card = &card_sof_sdw;
struct snd_soc_acpi_mach *mach;
struct mc_private *ctx;
int amp_num = 0, i;
int ret;
dev_dbg(&pdev->dev, "Entry %s\n", __func__);
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
dmi_check_system(sof_sdw_quirk_table);
if (quirk_override != -1) {
dev_info(&pdev->dev, "Overriding quirk 0x%lx => 0x%x\n",
sof_sdw_quirk, quirk_override);
sof_sdw_quirk = quirk_override;
}
log_quirks(&pdev->dev);
INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
card->dev = &pdev->dev;
snd_soc_card_set_drvdata(card, ctx);
mach = pdev->dev.platform_data;
ret = sof_card_dai_links_create(&pdev->dev, mach,
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 < ARRAY_SIZE(codec_info_list); i++)
amp_num += codec_info_list[i].amp_num;
card->components = devm_kasprintf(card->dev, GFP_KERNEL,
"cfg-spk:%d cfg-amp:%d",
(sof_sdw_quirk & SOF_SDW_FOUR_SPK)
? 4 : 2, amp_num);
if (!card->components)
return -ENOMEM;
if (mach->mach_params.dmic_num) {
card->components = devm_kasprintf(card->dev, GFP_KERNEL,
"%s mic:dmic cfg-mics:%d",
card->components,
mach->mach_params.dmic_num);
if (!card->components)
return -ENOMEM;
}
card->long_name = sdw_card_long_name;
/* Register the card */
ret = devm_snd_soc_register_card(&pdev->dev, card);
if (ret) {
dev_err(card->dev, "snd_soc_register_card failed %d\n", ret);
return ret;
}
platform_set_drvdata(pdev, card);
return ret;
}
static int mc_remove(struct platform_device *pdev)
{
struct snd_soc_card *card = platform_get_drvdata(pdev);
struct snd_soc_dai_link *link;
int ret;
int i, j;
for (i = 0; i < ARRAY_SIZE(codec_info_list); i++) {
if (!codec_info_list[i].exit)
continue;
/*
* We don't need to call .exit function if there is no matched
* dai link found.
*/
for_each_card_prelinks(card, j, link) {
if (!strcmp(link->codecs[0].dai_name,
codec_info_list[i].dai_name)) {
ret = codec_info_list[i].exit(card, link);
if (ret)
dev_warn(&pdev->dev,
"codec exit failed %d\n",
ret);
break;
}
}
}
return 0;
}
static struct platform_driver sof_sdw_driver = {
.driver = {
.name = "sof_sdw",
.pm = &snd_soc_pm_ops,
},
.probe = mc_probe,
.remove = mc_remove,
};
module_platform_driver(sof_sdw_driver);
MODULE_DESCRIPTION("ASoC SoundWire Generic Machine driver");
MODULE_AUTHOR("Bard Liao <yung-chuan.liao@linux.intel.com>");
MODULE_AUTHOR("Rander Wang <rander.wang@linux.intel.com>");
MODULE_AUTHOR("Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:sof_sdw");
MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_MAXIM_COMMON);