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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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e3dc0351d7
Use DAI PCM ID from topology as Front End device endpoint number. This allows devices to be more naturally enumerated starting from 0, like most cards, instead of values like 1 or 2. Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com> Acked-by: Jaroslav Kysela <perex@perex.cz> Link: https://patch.msgid.link/20250407124154.1713039-3-amadeuszx.slawinski@linux.intel.com Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright(c) 2023 Intel Corporation
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*
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* Authors: Cezary Rojewski <cezary.rojewski@intel.com>
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* Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
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*/
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#ifndef __SOUND_SOC_INTEL_AVS_UTILS_H
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#define __SOUND_SOC_INTEL_AVS_UTILS_H
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#include <sound/soc-acpi.h>
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extern bool obsolete_card_names;
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struct avs_mach_pdata {
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struct hda_codec *codec;
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unsigned long *tdms;
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char *codec_name; /* DMIC only */
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bool obsolete_card_names;
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};
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static inline bool avs_mach_singular_ssp(struct snd_soc_acpi_mach *mach)
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{
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return hweight_long(mach->mach_params.i2s_link_mask) == 1;
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}
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static inline u32 avs_mach_ssp_port(struct snd_soc_acpi_mach *mach)
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{
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return __ffs(mach->mach_params.i2s_link_mask);
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}
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static inline bool avs_mach_singular_tdm(struct snd_soc_acpi_mach *mach, u32 port)
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{
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struct avs_mach_pdata *pdata = mach->pdata;
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unsigned long *tdms = pdata->tdms;
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return !tdms || (hweight_long(tdms[port]) == 1);
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}
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static inline u32 avs_mach_ssp_tdm(struct snd_soc_acpi_mach *mach, u32 port)
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{
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struct avs_mach_pdata *pdata = mach->pdata;
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unsigned long *tdms = pdata->tdms;
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return tdms ? __ffs(tdms[port]) : 0;
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}
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static inline int avs_mach_get_ssp_tdm(struct device *dev, struct snd_soc_acpi_mach *mach,
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int *ssp_port, int *tdm_slot)
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{
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int port;
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if (!avs_mach_singular_ssp(mach)) {
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dev_err(dev, "Invalid SSP configuration\n");
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return -EINVAL;
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}
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port = avs_mach_ssp_port(mach);
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if (!avs_mach_singular_tdm(mach, port)) {
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dev_err(dev, "Invalid TDM configuration\n");
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return -EINVAL;
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}
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*ssp_port = port;
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*tdm_slot = avs_mach_ssp_tdm(mach, *ssp_port);
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return 0;
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}
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/*
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* Macro to easily generate format strings
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*/
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#define AVS_STRING_FMT(prefix, suffix, ssp, tdm) \
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(tdm) ? prefix "%d:%d" suffix : prefix "%d" suffix, (ssp), (tdm)
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#endif
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