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