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>
37 lines
1.0 KiB
C
37 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2024, The Linux Foundation. All rights reserved.
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*/
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#ifndef _DP_UTILS_H_
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#define _DP_UTILS_H_
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#include <linux/bitfield.h>
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#include <linux/bits.h>
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#include <drm/display/drm_dp_helper.h>
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#define HEADER_BYTE_0_BIT 0
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#define PARITY_BYTE_0_BIT 8
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#define HEADER_BYTE_1_BIT 16
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#define PARITY_BYTE_1_BIT 24
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#define HEADER_BYTE_2_BIT 0
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#define PARITY_BYTE_2_BIT 8
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#define HEADER_BYTE_3_BIT 16
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#define PARITY_BYTE_3_BIT 24
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#define HEADER_0_MASK GENMASK(7, 0)
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#define PARITY_0_MASK GENMASK(15, 8)
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#define HEADER_1_MASK GENMASK(23, 16)
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#define PARITY_1_MASK GENMASK(31, 24)
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#define HEADER_2_MASK GENMASK(7, 0)
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#define PARITY_2_MASK GENMASK(15, 8)
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#define HEADER_3_MASK GENMASK(23, 16)
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#define PARITY_3_MASK GENMASK(31, 24)
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u8 msm_dp_utils_get_g0_value(u8 data);
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u8 msm_dp_utils_get_g1_value(u8 data);
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u8 msm_dp_utils_calculate_parity(u32 data);
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void msm_dp_utils_pack_sdp_header(struct dp_sdp_header *sdp_header, u32 header_buff[2]);
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#endif /* _DP_UTILS_H_ */
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