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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /sound/soc/intel/boards/skl_hda_dsp_generic.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/intel/boards/skl_hda_dsp_generic.c')
-rw-r--r-- | sound/soc/intel/boards/skl_hda_dsp_generic.c | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/skl_hda_dsp_generic.c b/sound/soc/intel/boards/skl_hda_dsp_generic.c new file mode 100644 index 0000000000..70c806cc5b --- /dev/null +++ b/sound/soc/intel/boards/skl_hda_dsp_generic.c @@ -0,0 +1,259 @@ +// SPDX-License-Identifier: GPL-2.0-only +// Copyright(c) 2015-18 Intel Corporation. + +/* + * Machine Driver for SKL+ platforms with DSP and iDisp, HDA Codecs + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <sound/core.h> +#include <sound/jack.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/soc-acpi.h> +#include "../../codecs/hdac_hdmi.h" +#include "skl_hda_dsp_common.h" + +static const struct snd_soc_dapm_widget skl_hda_widgets[] = { + SND_SOC_DAPM_HP("Analog Out", NULL), + SND_SOC_DAPM_MIC("Analog In", NULL), + SND_SOC_DAPM_HP("Alt Analog Out", NULL), + SND_SOC_DAPM_MIC("Alt Analog In", NULL), + SND_SOC_DAPM_SPK("Digital Out", NULL), + SND_SOC_DAPM_MIC("Digital In", NULL), + SND_SOC_DAPM_MIC("SoC DMIC", NULL), +}; + +static const struct snd_soc_dapm_route skl_hda_map[] = { + { "hifi3", NULL, "iDisp3 Tx"}, + { "iDisp3 Tx", NULL, "iDisp3_out"}, + { "hifi2", NULL, "iDisp2 Tx"}, + { "iDisp2 Tx", NULL, "iDisp2_out"}, + { "hifi1", NULL, "iDisp1 Tx"}, + { "iDisp1 Tx", NULL, "iDisp1_out"}, + + { "Analog Out", NULL, "Codec Output Pin1" }, + { "Digital Out", NULL, "Codec Output Pin2" }, + { "Alt Analog Out", NULL, "Codec Output Pin3" }, + + { "Codec Input Pin1", NULL, "Analog In" }, + { "Codec Input Pin2", NULL, "Digital In" }, + { "Codec Input Pin3", NULL, "Alt Analog In" }, + + /* digital mics */ + {"DMic", NULL, "SoC DMIC"}, + + /* CODEC BE connections */ + { "Analog Codec Playback", NULL, "Analog CPU Playback" }, + { "Analog CPU Playback", NULL, "codec0_out" }, + { "Digital Codec Playback", NULL, "Digital CPU Playback" }, + { "Digital CPU Playback", NULL, "codec1_out" }, + { "Alt Analog Codec Playback", NULL, "Alt Analog CPU Playback" }, + { "Alt Analog CPU Playback", NULL, "codec2_out" }, + + { "codec0_in", NULL, "Analog CPU Capture" }, + { "Analog CPU Capture", NULL, "Analog Codec Capture" }, + { "codec1_in", NULL, "Digital CPU Capture" }, + { "Digital CPU Capture", NULL, "Digital Codec Capture" }, + { "codec2_in", NULL, "Alt Analog CPU Capture" }, + { "Alt Analog CPU Capture", NULL, "Alt Analog Codec Capture" }, +}; + +static int skl_hda_card_late_probe(struct snd_soc_card *card) +{ + return skl_hda_hdmi_jack_init(card); +} + +static int +skl_hda_add_dai_link(struct snd_soc_card *card, struct snd_soc_dai_link *link) +{ + struct skl_hda_private *ctx = snd_soc_card_get_drvdata(card); + int ret = 0; + + dev_dbg(card->dev, "dai link name - %s\n", link->name); + link->platforms->name = ctx->platform_name; + link->nonatomic = 1; + + if (!ctx->idisp_codec) + return 0; + + if (strstr(link->name, "HDMI")) { + ret = skl_hda_hdmi_add_pcm(card, ctx->pcm_count); + + if (ret < 0) + return ret; + + ctx->dai_index++; + } + + ctx->pcm_count++; + return ret; +} + +static struct snd_soc_card hda_soc_card = { + .name = "hda-dsp", + .owner = THIS_MODULE, + .dai_link = skl_hda_be_dai_links, + .dapm_widgets = skl_hda_widgets, + .dapm_routes = skl_hda_map, + .add_dai_link = skl_hda_add_dai_link, + .fully_routed = true, + .late_probe = skl_hda_card_late_probe, +}; + +static char hda_soc_components[30]; + +#define IDISP_DAI_COUNT 3 +#define HDAC_DAI_COUNT 2 +#define DMIC_DAI_COUNT 2 + +/* there are two routes per iDisp output */ +#define IDISP_ROUTE_COUNT (IDISP_DAI_COUNT * 2) +#define IDISP_CODEC_MASK 0x4 + +#define HDA_CODEC_AUTOSUSPEND_DELAY_MS 1000 + +static int skl_hda_fill_card_info(struct snd_soc_acpi_mach_params *mach_params) +{ + struct snd_soc_card *card = &hda_soc_card; + struct skl_hda_private *ctx = snd_soc_card_get_drvdata(card); + struct snd_soc_dai_link *dai_link; + u32 codec_count, codec_mask; + int i, num_links, num_route; + + codec_mask = mach_params->codec_mask; + codec_count = hweight_long(codec_mask); + ctx->idisp_codec = !!(codec_mask & IDISP_CODEC_MASK); + + if (!codec_count || codec_count > 2 || + (codec_count == 2 && !ctx->idisp_codec)) + return -EINVAL; + + if (codec_mask == IDISP_CODEC_MASK) { + /* topology with iDisp as the only HDA codec */ + num_links = IDISP_DAI_COUNT + DMIC_DAI_COUNT; + num_route = IDISP_ROUTE_COUNT; + + /* + * rearrange the dai link array and make the + * dmic dai links follow idsp dai links for only + * num_links of dai links need to be registered + * to ASoC. + */ + for (i = 0; i < DMIC_DAI_COUNT; i++) { + skl_hda_be_dai_links[IDISP_DAI_COUNT + i] = + skl_hda_be_dai_links[IDISP_DAI_COUNT + + HDAC_DAI_COUNT + i]; + } + } else { + /* topology with external and iDisp HDA codecs */ + num_links = ARRAY_SIZE(skl_hda_be_dai_links); + num_route = ARRAY_SIZE(skl_hda_map); + card->dapm_widgets = skl_hda_widgets; + card->num_dapm_widgets = ARRAY_SIZE(skl_hda_widgets); + if (!ctx->idisp_codec) { + card->dapm_routes = &skl_hda_map[IDISP_ROUTE_COUNT]; + num_route -= IDISP_ROUTE_COUNT; + for (i = 0; i < IDISP_DAI_COUNT; i++) { + skl_hda_be_dai_links[i].codecs = &asoc_dummy_dlc; + skl_hda_be_dai_links[i].num_codecs = 1; + } + } + } + + card->num_links = num_links; + card->num_dapm_routes = num_route; + + for_each_card_prelinks(card, i, dai_link) + dai_link->platforms->name = mach_params->platform; + + return 0; +} + +static void skl_set_hda_codec_autosuspend_delay(struct snd_soc_card *card) +{ + struct snd_soc_pcm_runtime *rtd; + struct hdac_hda_priv *hda_pvt; + struct snd_soc_dai *dai; + + for_each_card_rtds(card, rtd) { + if (!strstr(rtd->dai_link->codecs->name, "ehdaudio0D0")) + continue; + dai = asoc_rtd_to_codec(rtd, 0); + hda_pvt = snd_soc_component_get_drvdata(dai->component); + if (hda_pvt) { + /* + * all codecs are on the same bus, so it's sufficient + * to look up only the first one + */ + snd_hda_set_power_save(hda_pvt->codec->bus, + HDA_CODEC_AUTOSUSPEND_DELAY_MS); + break; + } + } +} + +static int skl_hda_audio_probe(struct platform_device *pdev) +{ + struct snd_soc_acpi_mach *mach; + struct skl_hda_private *ctx; + int ret; + + dev_dbg(&pdev->dev, "entry\n"); + + ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + INIT_LIST_HEAD(&ctx->hdmi_pcm_list); + + mach = pdev->dev.platform_data; + if (!mach) + return -EINVAL; + + snd_soc_card_set_drvdata(&hda_soc_card, ctx); + + ret = skl_hda_fill_card_info(&mach->mach_params); + if (ret < 0) { + dev_err(&pdev->dev, "Unsupported HDAudio/iDisp configuration found\n"); + return ret; + } + + ctx->pcm_count = hda_soc_card.num_links; + ctx->dai_index = 1; /* hdmi codec dai name starts from index 1 */ + ctx->platform_name = mach->mach_params.platform; + ctx->common_hdmi_codec_drv = mach->mach_params.common_hdmi_codec_drv; + + hda_soc_card.dev = &pdev->dev; + + if (mach->mach_params.dmic_num > 0) { + snprintf(hda_soc_components, sizeof(hda_soc_components), + "cfg-dmics:%d", mach->mach_params.dmic_num); + hda_soc_card.components = hda_soc_components; + } + + ret = devm_snd_soc_register_card(&pdev->dev, &hda_soc_card); + if (!ret) + skl_set_hda_codec_autosuspend_delay(&hda_soc_card); + + return ret; +} + +static struct platform_driver skl_hda_audio = { + .probe = skl_hda_audio_probe, + .driver = { + .name = "skl_hda_dsp_generic", + .pm = &snd_soc_pm_ops, + }, +}; + +module_platform_driver(skl_hda_audio) + +/* Module information */ +MODULE_DESCRIPTION("SKL/KBL/BXT/APL HDA Generic Machine driver"); +MODULE_AUTHOR("Rakesh Ughreja <rakesh.a.ughreja@intel.com>"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:skl_hda_dsp_generic"); +MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON); |