xref: /linux/drivers/gpu/drm/amd/display/dc/spl/dc_spl_isharp_filters.h (revision 3fd6c59042dbba50391e30862beac979491145fe)
1 // SPDX-License-Identifier: MIT
2 //
3 // Copyright 2024 Advanced Micro Devices, Inc.
4 
5 #ifndef __DC_SPL_ISHARP_FILTERS_H__
6 #define __DC_SPL_ISHARP_FILTERS_H__
7 
8 #include "dc_spl_types.h"
9 
10 const uint32_t *spl_get_filter_isharp_1D_lut_0(void);
11 const uint32_t *spl_get_filter_isharp_1D_lut_0p5x(void);
12 const uint32_t *spl_get_filter_isharp_1D_lut_1p0x(void);
13 const uint32_t *spl_get_filter_isharp_1D_lut_1p5x(void);
14 const uint32_t *spl_get_filter_isharp_1D_lut_2p0x(void);
15 const uint32_t *spl_get_filter_isharp_1D_lut_3p0x(void);
16 uint16_t *spl_get_filter_isharp_bs_4tap_in_6_64p(void);
17 uint16_t *spl_get_filter_isharp_bs_4tap_64p(void);
18 uint16_t *spl_get_filter_isharp_bs_3tap_64p(void);
19 const uint16_t *spl_get_filter_isharp_wide_6tap_64p(void);
20 uint16_t *spl_dscl_get_blur_scale_coeffs_64p(int taps);
21 
22 #define NUM_SHARPNESS_ADJ_LEVELS 6
23 struct scale_ratio_to_sharpness_level_adj {
24 	unsigned int ratio_numer;
25 	unsigned int ratio_denom;
26 	unsigned int level_down_adj; /* adjust sharpness level down */
27 };
28 
29 struct isharp_1D_lut_pregen {
30 	unsigned int sharpness_numer;
31 	unsigned int sharpness_denom;
32 	uint32_t value[ISHARP_LUT_TABLE_SIZE];
33 };
34 
35 enum system_setup {
36 	SDR_NL = 0,
37 	SDR_L,
38 	HDR_NL,
39 	HDR_L,
40 	NUM_SHARPNESS_SETUPS
41 };
42 
43 void spl_init_blur_scale_coeffs(void);
44 void spl_set_blur_scale_data(struct dscl_prog_data *dscl_prog_data,
45 	const struct spl_scaler_data *data);
46 
47 void spl_build_isharp_1dlut_from_reference_curve(struct spl_fixed31_32 ratio, enum system_setup setup,
48 	struct adaptive_sharpness sharpness, enum scale_to_sharpness_policy scale_to_sharpness_policy);
49 uint32_t *spl_get_pregen_filter_isharp_1D_lut(enum system_setup setup);
50 #endif /* __DC_SPL_ISHARP_FILTERS_H__ */
51