/* 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_ */