Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
88 lines
2.8 KiB
C
88 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only
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* SPDX-FileCopyrightText: Copyright (c) 2020-2025 NVIDIA CORPORATION. All rights reserved.
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*
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* tegra_cif.h - TEGRA Audio CIF Programming
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*
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*/
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#ifndef __TEGRA_CIF_H__
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#define __TEGRA_CIF_H__
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#include <linux/regmap.h>
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#define TEGRA_ACIF_CTRL_FIFO_TH_SHIFT 24
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#define TEGRA_ACIF_CTRL_AUDIO_CH_SHIFT 20
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#define TEGRA_ACIF_CTRL_CLIENT_CH_SHIFT 16
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#define TEGRA_ACIF_CTRL_AUDIO_BITS_SHIFT 12
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#define TEGRA_ACIF_CTRL_CLIENT_BITS_SHIFT 8
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#define TEGRA_ACIF_CTRL_EXPAND_SHIFT 6
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#define TEGRA_ACIF_CTRL_STEREO_CONV_SHIFT 4
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#define TEGRA_ACIF_CTRL_REPLICATE_SHIFT 3
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#define TEGRA_ACIF_CTRL_TRUNCATE_SHIFT 1
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#define TEGRA_ACIF_CTRL_MONO_CONV_SHIFT 0
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#define TEGRA264_ACIF_CTRL_AUDIO_BITS_SHIFT 11
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#define TEGRA264_ACIF_CTRL_CLIENT_CH_SHIFT 14
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#define TEGRA264_ACIF_CTRL_AUDIO_CH_SHIFT 19
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/* AUDIO/CLIENT_BITS values */
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#define TEGRA_ACIF_BITS_8 1
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#define TEGRA_ACIF_BITS_16 3
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#define TEGRA_ACIF_BITS_24 5
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#define TEGRA_ACIF_BITS_32 7
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#define TEGRA_ACIF_UPDATE_MASK 0x3ffffffb
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struct tegra_cif_conf {
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unsigned int threshold;
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unsigned int audio_ch;
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unsigned int client_ch;
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unsigned int audio_bits;
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unsigned int client_bits;
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unsigned int expand;
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unsigned int stereo_conv;
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unsigned int replicate;
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unsigned int truncate;
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unsigned int mono_conv;
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};
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static inline void tegra_set_cif(struct regmap *regmap, unsigned int reg,
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struct tegra_cif_conf *conf)
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{
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unsigned int value;
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value = (conf->threshold << TEGRA_ACIF_CTRL_FIFO_TH_SHIFT) |
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((conf->audio_ch - 1) << TEGRA_ACIF_CTRL_AUDIO_CH_SHIFT) |
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((conf->client_ch - 1) << TEGRA_ACIF_CTRL_CLIENT_CH_SHIFT) |
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(conf->audio_bits << TEGRA_ACIF_CTRL_AUDIO_BITS_SHIFT) |
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(conf->client_bits << TEGRA_ACIF_CTRL_CLIENT_BITS_SHIFT) |
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(conf->expand << TEGRA_ACIF_CTRL_EXPAND_SHIFT) |
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(conf->stereo_conv << TEGRA_ACIF_CTRL_STEREO_CONV_SHIFT) |
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(conf->replicate << TEGRA_ACIF_CTRL_REPLICATE_SHIFT) |
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(conf->truncate << TEGRA_ACIF_CTRL_TRUNCATE_SHIFT) |
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(conf->mono_conv << TEGRA_ACIF_CTRL_MONO_CONV_SHIFT);
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regmap_update_bits(regmap, reg, TEGRA_ACIF_UPDATE_MASK, value);
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}
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static inline void tegra264_set_cif(struct regmap *regmap, unsigned int reg,
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struct tegra_cif_conf *conf)
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{
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unsigned int value;
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value = (conf->threshold << TEGRA_ACIF_CTRL_FIFO_TH_SHIFT) |
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((conf->audio_ch - 1) << TEGRA264_ACIF_CTRL_AUDIO_CH_SHIFT) |
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((conf->client_ch - 1) << TEGRA264_ACIF_CTRL_CLIENT_CH_SHIFT) |
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(conf->audio_bits << TEGRA264_ACIF_CTRL_AUDIO_BITS_SHIFT) |
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(conf->client_bits << TEGRA_ACIF_CTRL_CLIENT_BITS_SHIFT) |
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(conf->expand << TEGRA_ACIF_CTRL_EXPAND_SHIFT) |
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(conf->stereo_conv << TEGRA_ACIF_CTRL_STEREO_CONV_SHIFT) |
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(conf->replicate << TEGRA_ACIF_CTRL_REPLICATE_SHIFT) |
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(conf->truncate << TEGRA_ACIF_CTRL_TRUNCATE_SHIFT) |
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(conf->mono_conv << TEGRA_ACIF_CTRL_MONO_CONV_SHIFT);
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regmap_update_bits(regmap, reg, TEGRA_ACIF_UPDATE_MASK, value);
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}
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#endif
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