// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2020 Rockchip Electronics Co. Ltd.
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*
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* Author: Zorro Liu <zorro.liu@rock-chips.com>
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*/
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#ifndef EPD_LUT_H
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#define EPD_LUT_H
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#define WF_4BIT 16
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#define WF_5BIT 32
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// same to pvi_wf_mode
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enum epd_lut_type {
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WF_TYPE_RESET = 0,
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WF_TYPE_GRAY2, // like DU
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WF_TYPE_GRAY4, // like DU4
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WF_TYPE_GC16,
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WF_TYPE_GL16,
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WF_TYPE_GLR16,
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WF_TYPE_GLD16,
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WF_TYPE_A2,
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WF_TYPE_GCC16,
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PVI_WF_MAX,
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WF_TYPE_AUTO, // like GC16, rk define
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WF_TYPE_MAX,
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WF_TYPE_GRAY16,
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};
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struct epd_lut_data {
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unsigned int frame_num;
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unsigned int *data;
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u8 *wf_table[2];
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};
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/*
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* EPD LUT module export symbols
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*/
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int epd_lut_from_mem_init(void *waveform);
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int epd_lut_from_file_init(struct device *dev, void *waveform, int size);
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const char *epd_lut_get_wf_version(void);
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int epd_lut_get(struct epd_lut_data *output, enum epd_lut_type lut_type, int temperture, int pic);
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//you can change overlay lut mode here
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int epd_overlay_lut(void);
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/*
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* PVI Waveform Interfaces
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*/
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int pvi_wf_input(void *waveform_file);
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const char *pvi_wf_get_version(void);
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int pvi_wf_get_lut(struct epd_lut_data *output, enum epd_lut_type lut_type, int temperture, int pic);
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/*
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* RKF Waveform Interfaces
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*/
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int rkf_wf_input(void *waveform_file);
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const char *rkf_wf_get_version(void);
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int rkf_wf_get_lut(struct epd_lut_data *output, enum epd_lut_type lut_type, int temperture, int pic);
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#endif
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