1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) STMicroelectronics SA 2014
4 * Authors: Fabien Dessenne <fabien.dessenne@st.com> for STMicroelectronics.
5 */
6
7#define BDISP_HF_NB             64
8#define BDISP_VF_NB             40
9
10/**
11 * struct bdisp_filter_h_spec - Horizontal filter specification
12 *
13 * @min:        min scale factor for this filter (6.10 fixed point)
14 * @max:        max scale factor for this filter (6.10 fixed point)
15 * @coef:       filter coefficients
16 */
17struct bdisp_filter_h_spec {
18	const u16 min;
19	const u16 max;
20	const u8 coef[BDISP_HF_NB];
21};
22/**
23 * struct bdisp_filter_v_spec - Vertical filter specification
24 *
25 * @min:	min scale factor for this filter (6.10 fixed point)
26 * @max:	max scale factor for this filter (6.10 fixed point)
27 * @coef:	filter coefficients
28 */
29struct bdisp_filter_v_spec {
30	const u16 min;
31	const u16 max;
32	const u8 coef[BDISP_VF_NB];
33};
34
35/* RGB YUV 601 standard conversion */
36static const u32 bdisp_rgb_to_yuv[] = {
37		0x0e1e8bee, 0x08420419, 0xfb5ed471, 0x08004080,
38};
39
40static const u32 bdisp_yuv_to_rgb[] = {
41		0x3324a800, 0xe604ab9c, 0x0004a957, 0x32121eeb,
42};
43