| // 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" |
| |
| unsigned long sof_sdw_quirk = SOF_RT711_JD_SRC_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 *)(SOF_RT711_JD_SRC_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 *)(SOF_RT711_JD_SRC_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 *)(SOF_RT711_JD_SRC_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 *)(SOF_RT711_JD_SRC_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 | |
| SOF_RT711_JD_SRC_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 | |
| SOF_RT711_JD_SRC_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 | |
| SOF_RT711_JD_SRC_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 | |
| SOF_RT711_JD_SRC_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 | |
| SOF_RT711_JD_SRC_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 *)(SOF_RT711_JD_SRC_JD1 | |
| SOF_SDW_TGL_HDMI | |
| SOF_RT715_DAI_ID_FIX | |
| SOF_SDW_PCH_DMIC), |
| }, |
| {} |
| }; |
| |
| 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 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"); |