mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 04:15:07 +07:00
7318234c8d
This has been another very active release with a bunch of new drivers,
lots of fixes everywhere and continued core improvements from
Morimoto-san:
- Lots of core cleanups and refactorings from Morimoto-san, factoring
out common operations and making the card abstraction more solid.
- Continued work on cleaning up and improving the Intel drivers, along
with some new platform support for them.
- Fixes to make the Marvell SSPA driver work upstream.
- Support for AMD Renoir ACP, Dialog DA7212, Freescale EASRC and
i.MX8M, Intel Elkhard Lake, Maxim MAX98390, Nuvoton NAU8812 and
NAU8814 and Realtek RT1016.
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Merge tag 'asoc-v5.8' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v5.8
This has been another very active release with a bunch of new drivers,
lots of fixes everywhere and continued core improvements from
Morimoto-san:
- Lots of core cleanups and refactorings from Morimoto-san, factoring
out common operations and making the card abstraction more solid.
- Continued work on cleaning up and improving the Intel drivers, along
with some new platform support for them.
- Fixes to make the Marvell SSPA driver work upstream.
- Support for AMD Renoir ACP, Dialog DA7212, Freescale EASRC and
i.MX8M, Intel Elkhard Lake, Maxim MAX98390, Nuvoton NAU8812 and
NAU8814 and Realtek RT1016.
72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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// Copyright (c) 2015-2019 Intel Corporation
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#include <linux/acpi.h>
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#include <sound/intel-nhlt.h>
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struct nhlt_acpi_table *intel_nhlt_init(struct device *dev)
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{
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struct nhlt_acpi_table *nhlt;
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acpi_status status;
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status = acpi_get_table(ACPI_SIG_NHLT, 0,
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(struct acpi_table_header **)&nhlt);
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if (ACPI_FAILURE(status)) {
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dev_warn(dev, "NHLT table not found\n");
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return NULL;
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}
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return nhlt;
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}
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EXPORT_SYMBOL_GPL(intel_nhlt_init);
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void intel_nhlt_free(struct nhlt_acpi_table *nhlt)
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{
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acpi_put_table((struct acpi_table_header *)nhlt);
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}
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EXPORT_SYMBOL_GPL(intel_nhlt_free);
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int intel_nhlt_get_dmic_geo(struct device *dev, struct nhlt_acpi_table *nhlt)
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{
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struct nhlt_endpoint *epnt;
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struct nhlt_dmic_array_config *cfg;
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struct nhlt_vendor_dmic_array_config *cfg_vendor;
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unsigned int dmic_geo = 0;
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u8 j;
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if (!nhlt)
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return 0;
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epnt = (struct nhlt_endpoint *)nhlt->desc;
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for (j = 0; j < nhlt->endpoint_count; j++) {
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if (epnt->linktype == NHLT_LINK_DMIC) {
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cfg = (struct nhlt_dmic_array_config *)
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(epnt->config.caps);
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switch (cfg->array_type) {
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case NHLT_MIC_ARRAY_2CH_SMALL:
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case NHLT_MIC_ARRAY_2CH_BIG:
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dmic_geo = MIC_ARRAY_2CH;
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break;
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case NHLT_MIC_ARRAY_4CH_1ST_GEOM:
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case NHLT_MIC_ARRAY_4CH_L_SHAPED:
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case NHLT_MIC_ARRAY_4CH_2ND_GEOM:
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dmic_geo = MIC_ARRAY_4CH;
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break;
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case NHLT_MIC_ARRAY_VENDOR_DEFINED:
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cfg_vendor = (struct nhlt_vendor_dmic_array_config *)cfg;
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dmic_geo = cfg_vendor->nb_mics;
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break;
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default:
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dev_warn(dev, "undefined DMIC array_type 0x%0x\n",
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cfg->array_type);
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}
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}
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epnt = (struct nhlt_endpoint *)((u8 *)epnt + epnt->length);
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}
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return dmic_geo;
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}
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EXPORT_SYMBOL_GPL(intel_nhlt_get_dmic_geo);
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