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// 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/hda_codec.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_hda.h"
#include "../../sof/intel/hda.h"
#include "sof_board_helpers.h"
static int skl_hda_card_late_probe(struct snd_soc_card *card)
{
return sof_intel_board_card_late_probe(card);
}
#define HDA_CODEC_AUTOSUSPEND_DELAY_MS 1000
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 = snd_soc_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;
}
}
}
#define IDISP_HDMI_BE_ID 1
#define HDA_BE_ID 4
#define DMIC01_BE_ID 6
#define DMIC16K_BE_ID 7
#define BT_OFFLOAD_BE_ID 8
#define HDA_LINK_ORDER SOF_LINK_ORDER(SOF_LINK_IDISP_HDMI, \
SOF_LINK_HDA, \
SOF_LINK_DMIC01, \
SOF_LINK_DMIC16K, \
SOF_LINK_BT_OFFLOAD, \
SOF_LINK_NONE, \
SOF_LINK_NONE)
#define HDA_LINK_IDS SOF_LINK_ORDER(IDISP_HDMI_BE_ID, \
HDA_BE_ID, \
DMIC01_BE_ID, \
DMIC16K_BE_ID, \
BT_OFFLOAD_BE_ID, \
0, \
0)
static unsigned long
skl_hda_get_board_quirk(struct snd_soc_acpi_mach_params *mach_params)
{
unsigned long board_quirk = 0;
int ssp_bt;
if (hweight_long(mach_params->bt_link_mask) == 1) {
ssp_bt = fls(mach_params->bt_link_mask) - 1;
board_quirk |= SOF_SSP_PORT_BT_OFFLOAD(ssp_bt) |
SOF_BT_OFFLOAD_PRESENT;
}
return board_quirk;
}
static int skl_hda_audio_probe(struct platform_device *pdev)
{
struct snd_soc_acpi_mach *mach = pdev->dev.platform_data;
struct sof_card_private *ctx;
struct snd_soc_card *card;
unsigned long board_quirk = skl_hda_get_board_quirk(&mach->mach_params);
int ret;
card = devm_kzalloc(&pdev->dev, sizeof(struct snd_soc_card), GFP_KERNEL);
if (!card)
return -ENOMEM;
card->name = "hda-dsp";
card->owner = THIS_MODULE;
card->fully_routed = true;
card->late_probe = skl_hda_card_late_probe;
dev_dbg(&pdev->dev, "board_quirk = %lx\n", board_quirk);
/* initialize ctx with board quirk */
ctx = sof_intel_board_get_ctx(&pdev->dev, board_quirk);
if (!ctx)
return -ENOMEM;
if (HDA_EXT_CODEC(mach->mach_params.codec_mask))
ctx->hda_codec_present = true;
if (mach->mach_params.codec_mask & IDISP_CODEC_MASK)
ctx->hdmi.idisp_codec = true;
ctx->link_order_overwrite = HDA_LINK_ORDER;
ctx->link_id_overwrite = HDA_LINK_IDS;
/* update dai_link */
ret = sof_intel_board_set_dai_link(&pdev->dev, card, ctx);
if (ret)
return ret;
card->dev = &pdev->dev;
if (!snd_soc_acpi_sof_parent(&pdev->dev))
card->disable_route_checks = true;
if (mach->mach_params.dmic_num > 0) {
card->components = devm_kasprintf(card->dev, GFP_KERNEL,
"cfg-dmics:%d",
mach->mach_params.dmic_num);
if (!card->components)
return -ENOMEM;
}
ret = snd_soc_fixup_dai_links_platform_name(card,
mach->mach_params.platform);
if (ret)
return ret;
snd_soc_card_set_drvdata(card, ctx);
ret = devm_snd_soc_register_card(&pdev->dev, card);
if (!ret)
skl_set_hda_codec_autosuspend_delay(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_SOF_BOARD_HELPERS);
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