diff options
Diffstat (limited to 'sound/soc/intel/boards/sof_sdw.c')
| -rw-r--r-- | sound/soc/intel/boards/sof_sdw.c | 1343 |
1 files changed, 1343 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c new file mode 100644 index 000000000..f36a0fda1 --- /dev/null +++ b/sound/soc/intel/boards/sof_sdw.c @@ -0,0 +1,1343 @@ +// 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), + }, + { + .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), + }, + { + .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), + }, + /* 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_JD1 | + SOF_SDW_TGL_HDMI | + SOF_RT715_DAI_ID_FIX | + SOF_SDW_PCH_DMIC), + }, + { + .callback = sof_sdw_quirk_cb, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "Meteor Lake Client Platform"), + }, + .driver_data = (void *)(RT711_JD2_100K), + }, + { + .callback = sof_sdw_quirk_cb, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Google"), + DMI_MATCH(DMI_PRODUCT_NAME, "Rex"), + }, + .driver_data = (void *)(SOF_SDW_PCH_DMIC), + }, + /* LunarLake devices */ + { + .callback = sof_sdw_quirk_cb, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "Lunar Lake Client Platform"), + }, + .driver_data = (void *)(RT711_JD2_100K), + }, + {} +}; + +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_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_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_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 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, + }, +}; + +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 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) +{ + dai_links->id = be_id; + dai_links->name = name; + dai_links->platforms = platform_component; + dai_links->num_platforms = ARRAY_SIZE(platform_component); + dai_links->nonatomic = true; + 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:%x:%x:%x:%x"; + codec[comp_index].name = + devm_kasprintf(dev, GFP_KERNEL, codec_str, + link_id, mfg_id, part_id, + class_id); + } else { + codec_str = "sdw:%x:%x:%x:%x:%x"; + 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(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(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, 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 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(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(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; + + 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(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(links + link_id, be_id, name, + playback, capture, + cpus + cpu_id, 1, + ssp_components, 1, + NULL, info->ops); + + ret = info->init(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(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(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(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); + } + + 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; + + ctx->common_hdmi_codec_drv = mach->mach_params.common_hdmi_codec_drv; + + /* + * 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; + + 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(&pdev->dev, 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"); |