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