display_filter.c

/*
 * Copyright (C) 2017 Jernej Skrabec <jernej.skrabec@siol.net>
 *
 * Coefficients are taken from BSP driver, which is:
 * Copyright (C) 2014-2015 Allwinner
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2.  This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */

/*
 * Adapted for allwinner-bare-metal
 * Copyright (C) 2021 Ulrich Hecht
 */

#include "display.h"

static const uint32_t lan3coefftab32_left[480] = {
	0x40000000, 0x40fe0000, 0x3ffd0100, 0x3efc0100,
	0x3efb0100, 0x3dfa0200, 0x3cf90200, 0x3bf80200,
	0x39f70200, 0x37f70200, 0x35f70200, 0x33f70200,
	0x31f70200, 0x2ef70200, 0x2cf70200, 0x2af70200,
	0x27f70200, 0x24f80100, 0x22f80100, 0x1ef90100,
	0x1cf90100, 0x19fa0100, 0x17fa0100, 0x14fb0100,
	0x11fc0000, 0x0ffc0000, 0x0cfd0000, 0x0afd0000,
	0x08fe0000, 0x05ff0000, 0x03ff0000, 0x02000000,

	0x3806fc02, 0x3805fc02, 0x3803fd01, 0x3801fe01,
	0x3700fe01, 0x35ffff01, 0x35fdff01, 0x34fc0001,
	0x34fb0000, 0x33fa0000, 0x31fa0100, 0x2ff90100,
	0x2df80200, 0x2bf80200, 0x2af70200, 0x28f70200,
	0x27f70200, 0x24f70300, 0x22f70300, 0x1ff70300,
	0x1ef70300, 0x1cf70300, 0x1af70300, 0x18f70300,
	0x16f80300, 0x13f80300, 0x11f90300, 0x0ef90300,
	0x0efa0200, 0x0cfa0200, 0x0afb0200, 0x08fb0200,

	0x320bfa02, 0x3309fa02, 0x3208fb02, 0x3206fb02,
	0x3205fb02, 0x3104fc02, 0x3102fc01, 0x3001fd01,
	0x3000fd01, 0x2ffffd01, 0x2efefe01, 0x2dfdfe01,
	0x2bfcff01, 0x29fcff01, 0x28fbff01, 0x27fa0001,
	0x26fa0000, 0x24f90000, 0x22f90100, 0x20f90100,
	0x1ff80100, 0x1ef80100, 0x1cf80100, 0x1af80200,
	0x18f80200, 0x17f80200, 0x15f80200, 0x12f80200,
	0x11f90200, 0x0ff90200, 0x0df90200, 0x0cfa0200,

	0x2e0efa01, 0x2f0dfa01, 0x2f0bfa01, 0x2e0afa01,
	0x2e09fa01, 0x2e07fb01, 0x2d06fb01, 0x2d05fb01,
	0x2c04fb01, 0x2b03fc01, 0x2a02fc01, 0x2a01fc01,
	0x2800fd01, 0x28fffd01, 0x26fefd01, 0x25fefe01,
	0x24fdfe01, 0x23fcfe01, 0x21fcff01, 0x20fbff01,
	0x1efbff01, 0x1efbff00, 0x1cfa0000, 0x1bfa0000,
	0x19fa0000, 0x18fa0000, 0x17f90000, 0x15f90100,
	0x14f90100, 0x12f90100, 0x11f90100, 0x0ff90100,

	0x2b10fa00, 0x2b0ffa00, 0x2b0efa00, 0x2b0cfa00,
	0x2b0bfa00, 0x2a0afb01, 0x2a09fb01, 0x2908fb01,
	0x2807fb01, 0x2806fb01, 0x2805fb01, 0x2604fc01,
	0x2503fc01, 0x2502fc01, 0x2401fc01, 0x2301fc01,
	0x2100fd01, 0x21fffd01, 0x21fffd01, 0x20fefd01,
	0x1dfefe01, 0x1cfdfe01, 0x1cfdfe00, 0x1bfcfe00,
	0x19fcff00, 0x19fbff00, 0x17fbff00, 0x16fbff00,
	0x15fbff00, 0x14fb0000, 0x13fa0000, 0x11fa0000,

	0x2811fcff, 0x2810fcff, 0x280ffbff, 0x280efbff,
	0x270dfb00, 0x270cfb00, 0x270bfb00, 0x260afb00,
	0x2609fb00, 0x2508fb00, 0x2507fb00, 0x2407fb00,
	0x2406fc00, 0x2305fc00, 0x2204fc00, 0x2203fc00,
	0x2103fc00, 0x2002fc00, 0x1f01fd00, 0x1e01fd00,
	0x1d00fd00, 0x1dfffd00, 0x1cfffd00, 0x1bfefd00,
	0x1afefe00, 0x19fefe00, 0x18fdfe00, 0x17fdfe00,
	0x16fdfe00, 0x15fcff00, 0x13fcff00, 0x12fcff00,

	0x2512fdfe, 0x2511fdff, 0x2410fdff, 0x240ffdff,
	0x240efcff, 0x240dfcff, 0x240dfcff, 0x240cfcff,
	0x230bfcff, 0x230afc00, 0x2209fc00, 0x2108fc00,
	0x2108fc00, 0x2007fc00, 0x2006fc00, 0x2005fc00,
	0x1f05fc00, 0x1e04fc00, 0x1e03fc00, 0x1c03fd00,
	0x1c02fd00, 0x1b02fd00, 0x1b01fd00, 0x1a00fd00,
	0x1900fd00, 0x1800fd00, 0x17fffe00, 0x16fffe00,
	0x16fefe00, 0x14fefe00, 0x13fefe00, 0x13fdfe00,

	0x2212fffe, 0x2211fefe, 0x2211fefe, 0x2110fefe,
	0x210ffeff, 0x220efdff, 0x210dfdff, 0x210dfdff,
	0x210cfdff, 0x210bfdff, 0x200afdff, 0x200afdff,
	0x1f09fdff, 0x1f08fdff, 0x1d08fd00, 0x1c07fd00,
	0x1d06fd00, 0x1b06fd00, 0x1b05fd00, 0x1c04fd00,
	0x1b04fd00, 0x1a03fd00, 0x1a03fd00, 0x1902fd00,
	0x1802fd00, 0x1801fd00, 0x1701fd00, 0x1600fd00,
	0x1400fe00, 0x1400fe00, 0x14fffe00, 0x13fffe00,

	0x201200fe, 0x201100fe, 0x1f11fffe, 0x2010fffe,
	0x1f0ffffe, 0x1e0ffffe, 0x1f0efeff, 0x1f0dfeff,
	0x1f0dfeff, 0x1e0cfeff, 0x1e0bfeff, 0x1d0bfeff,
	0x1d0afeff, 0x1d09fdff, 0x1d09fdff, 0x1c08fdff,
	0x1c07fdff, 0x1b07fd00, 0x1b06fd00, 0x1a06fd00,
	0x1a05fd00, 0x1805fd00, 0x1904fd00, 0x1804fd00,
	0x1703fd00, 0x1703fd00, 0x1602fe00, 0x1502fe00,
	0x1501fe00, 0x1401fe00, 0x1301fe00, 0x1300fe00,

	0x1c1202fe, 0x1c1102fe, 0x1b1102fe, 0x1c1001fe,
	0x1b1001fe, 0x1b0f01ff, 0x1b0e00ff, 0x1b0e00ff,
	0x1b0d00ff, 0x1a0d00ff, 0x1a0c00ff, 0x1a0cffff,
	0x1a0bffff, 0x1a0bffff, 0x1a0affff, 0x180affff,
	0x1909ffff, 0x1809ffff, 0x1808ffff, 0x1808feff,
	0x1807feff, 0x1707fe00, 0x1606fe00, 0x1506fe00,
	0x1605fe00, 0x1505fe00, 0x1504fe00, 0x1304fe00,
	0x1304fe00, 0x1303fe00, 0x1203fe00, 0x1203fe00,

	0x181104ff, 0x191103ff, 0x191003ff, 0x181003ff,
	0x180f03ff, 0x190f02ff, 0x190e02ff, 0x180e02ff,
	0x180d02ff, 0x180d01ff, 0x180d01ff, 0x180c01ff,
	0x180c01ff, 0x180b00ff, 0x170b00ff, 0x170a00ff,
	0x170a00ff, 0x170900ff, 0x160900ff, 0x160900ff,
	0x1608ffff, 0x1508ffff, 0x1507ff00, 0x1507ff00,
	0x1407ff00, 0x1306ff00, 0x1306ff00, 0x1305ff00,
	0x1205ff00, 0x1105ff00, 0x1204ff00, 0x1104ff00,

	0x171005ff, 0x171005ff, 0x171004ff, 0x170f04ff,
	0x160f04ff, 0x170f03ff, 0x170e03ff, 0x160e03ff,
	0x160d03ff, 0x160d02ff, 0x160d02ff, 0x160c02ff,
	0x160c02ff, 0x160c02ff, 0x160b01ff, 0x150b01ff,
	0x150a01ff, 0x150a01ff, 0x150a01ff, 0x140901ff,
	0x14090000, 0x14090000, 0x14080000, 0x13080000,
	0x13070000, 0x12070000, 0x12070000, 0x12060000,
	0x11060000, 0x11060000, 0x11050000, 0x1105ff00,

	0x14100600, 0x15100500, 0x150f0500, 0x150f0500,
	0x140f0500, 0x150e0400, 0x140e0400, 0x130e0400,
	0x140d0400, 0x150d0300, 0x130d0300, 0x140c0300,
	0x140c0300, 0x140c0200, 0x140b0200, 0x130b0200,
	0x120b0200, 0x130a0200, 0x130a0200, 0x130a0100,
	0x13090100, 0x12090100, 0x11090100, 0x12080100,
	0x11080100, 0x10080100, 0x11070100, 0x11070000,
	0x10070000, 0x11060000, 0x10060000, 0x10060000,

	0x140f0600, 0x140f0600, 0x130f0600, 0x140f0500,
	0x140e0500, 0x130e0500, 0x130e0500, 0x140d0400,
	0x140d0400, 0x130d0400, 0x120d0400, 0x130c0400,
	0x130c0300, 0x130c0300, 0x130b0300, 0x130b0300,
	0x110b0300, 0x130a0200, 0x120a0200, 0x120a0200,
	0x120a0200, 0x12090200, 0x10090200, 0x11090100,
	0x11080100, 0x11080100, 0x10080100, 0x10080100,
	0x10070100, 0x10070100, 0x0f070100, 0x10060100,

	0x120f0701, 0x130f0601, 0x130e0601, 0x130e0601,
	0x120e0601, 0x130e0501, 0x130e0500, 0x130d0500,
	0x120d0500, 0x120d0500, 0x130c0400, 0x130c0400,
	0x120c0400, 0x110c0400, 0x120b0400, 0x120b0300,
	0x120b0300, 0x120b0300, 0x120a0300, 0x110a0300,
	0x110a0200, 0x11090200, 0x11090200, 0x10090200,
	0x10090200, 0x10080200, 0x10080200, 0x10080100,
	0x0f080100, 0x10070100, 0x0f070100, 0x0f070100
};

static const uint32_t lan3coefftab32_right[480] = {
	0x00000000, 0x00000002, 0x0000ff04, 0x0000ff06,
	0x0000fe08, 0x0000fd0a, 0x0000fd0c, 0x0000fc0f,
	0x0000fc12, 0x0001fb14, 0x0001fa17, 0x0001fa19,
	0x0001f91c, 0x0001f91f, 0x0001f822, 0x0001f824,
	0x0002f727, 0x0002f72a, 0x0002f72c, 0x0002f72f,
	0x0002f731, 0x0002f733, 0x0002f735, 0x0002f737,
	0x0002f73a, 0x0002f83b, 0x0002f93c, 0x0002fa3d,
	0x0001fb3e, 0x0001fc3f, 0x0001fd40, 0x0000fe40,

	0x0002fc06, 0x0002fb08, 0x0002fb0a, 0x0002fa0c,
	0x0002fa0e, 0x0003f910, 0x0003f912, 0x0003f814,
	0x0003f816, 0x0003f719, 0x0003f71a, 0x0003f71d,
	0x0003f71f, 0x0003f721, 0x0003f723, 0x0003f725,
	0x0002f727, 0x0002f729, 0x0002f72b, 0x0002f82d,
	0x0002f82e, 0x0001f930, 0x0001fa31, 0x0000fa34,
	0x0000fb34, 0x0100fc35, 0x01fffd36, 0x01ffff37,
	0x01fe0037, 0x01fe0138, 0x01fd0338, 0x02fc0538,

	0x0002fa0b, 0x0002fa0c, 0x0002f90e, 0x0002f910,
	0x0002f911, 0x0002f813, 0x0002f816, 0x0002f817,
	0x0002f818, 0x0002f81a, 0x0001f81c, 0x0001f81e,
	0x0001f820, 0x0001f921, 0x0001f923, 0x0000f925,
	0x0000fa26, 0x0100fa28, 0x01fffb29, 0x01fffc2a,
	0x01fffc2c, 0x01fefd2d, 0x01fefe2e, 0x01fdff2f,
	0x01fd0030, 0x01fd0130, 0x01fc0232, 0x02fc0432,
	0x02fb0532, 0x02fb0633, 0x02fb0833, 0x02fa0933,

	0x0001fa0e, 0x0001f90f, 0x0001f911, 0x0001f913,
	0x0001f914, 0x0001f915, 0x0000f918, 0x0000fa18,
	0x0000fa1a, 0x0000fa1b, 0x0000fa1d, 0x00fffb1e,
	0x01fffb1f, 0x01fffb20, 0x01fffc22, 0x01fefc23,
	0x01fefd24, 0x01fefe25, 0x01fdfe27, 0x01fdff28,
	0x01fd0029, 0x01fc012a, 0x01fc022b, 0x01fc032b,
	0x01fb042d, 0x01fb052d, 0x01fb062e, 0x01fb072e,
	0x01fa092e, 0x01fa0a2f, 0x01fa0b2f, 0x01fa0d2f,

	0x0000fa11, 0x0000fa12, 0x0000fa13, 0x0000fb14,
	0x00fffb16, 0x00fffb16, 0x00fffb17, 0x00fffb19,
	0x00fffc1a, 0x00fefc1c, 0x00fefd1c, 0x01fefd1d,
	0x01fefe1e, 0x01fdfe20, 0x01fdff21, 0x01fdff22,
	0x01fd0023, 0x01fc0124, 0x01fc0124, 0x01fc0225,
	0x01fc0326, 0x01fc0427, 0x01fb0528, 0x01fb0629,
	0x01fb0729, 0x01fb0829, 0x01fb092a, 0x01fb0a2a,
	0x00fa0b2c, 0x00fa0c2b, 0x00fa0e2b, 0x00fa0f2c,

	0x00fffc11, 0x00fffc12, 0x00fffc14, 0x00fffc15,
	0x00fefd16, 0x00fefd17, 0x00fefd18, 0x00fefe19,
	0x00fefe1a, 0x00fdfe1d, 0x00fdff1d, 0x00fdff1e,
	0x00fd001d, 0x00fd011e, 0x00fd0120, 0x00fc0221,
	0x00fc0321, 0x00fc0323, 0x00fc0423, 0x00fc0523,
	0x00fc0624, 0x00fb0725, 0x00fb0726, 0x00fb0827,
	0x00fb0926, 0x00fb0a26, 0x00fb0b27, 0x00fb0c27,
	0x00fb0d27, 0xfffb0e28, 0xfffb0f29, 0xfffc1028,

	0x00fefd13, 0x00fefd13, 0x00fefe14, 0x00fefe15,
	0x00fefe17, 0x00feff17, 0x00feff17, 0x00fd0018,
	0x00fd001a, 0x00fd001a, 0x00fd011b, 0x00fd021c,
	0x00fd021c, 0x00fd031d, 0x00fc031f, 0x00fc041f,
	0x00fc051f, 0x00fc0521, 0x00fc0621, 0x00fc0721,
	0x00fc0821, 0x00fc0822, 0x00fc0922, 0x00fc0a23,
	0xfffc0b24, 0xfffc0c24, 0xfffc0d24, 0xfffc0d25,
	0xfffc0e25, 0xfffd0f25, 0xfffd1025, 0xfffd1125,

	0x00feff12, 0x00feff14, 0x00feff14, 0x00fe0015,
	0x00fe0015, 0x00fd0017, 0x00fd0118, 0x00fd0118,
	0x00fd0218, 0x00fd0219, 0x00fd031a, 0x00fd031a,
	0x00fd041b, 0x00fd041c, 0x00fd051c, 0x00fd061d,
	0x00fd061d, 0x00fd071e, 0x00fd081e, 0xfffd081f,
	0xfffd091f, 0xfffd0a20, 0xfffd0a20, 0xfffd0b21,
	0xfffd0c21, 0xfffd0d21, 0xfffd0d22, 0xfffd0e23,
	0xfffe0f22, 0xfefe1022, 0xfefe1122, 0xfefe1123,

	0x00fe0012, 0x00fe0013, 0x00fe0114, 0x00fe0114,
	0x00fe0116, 0x00fe0216, 0x00fe0216, 0x00fd0317,
	0x00fd0317, 0x00fd0418, 0x00fd0419, 0x00fd0519,
	0x00fd051a, 0x00fd061b, 0x00fd061b, 0x00fd071c,
	0xfffd071e, 0xfffd081d, 0xfffd091d, 0xfffd091e,
	0xfffe0a1d, 0xfffe0b1e, 0xfffe0b1e, 0xfffe0c1e,
	0xfffe0d1f, 0xfffe0d1f, 0xfffe0e1f, 0xfeff0f1f,
	0xfeff0f20, 0xfeff1020, 0xfeff1120, 0xfe001120,

	0x00fe0212, 0x00fe0312, 0x00fe0313, 0x00fe0314,
	0x00fe0414, 0x00fe0414, 0x00fe0416, 0x00fe0515,
	0x00fe0516, 0x00fe0616, 0x00fe0617, 0x00fe0717,
	0xfffe0719, 0xfffe0818, 0xffff0818, 0xffff0919,
	0xffff0919, 0xffff0a19, 0xffff0a1a, 0xffff0b1a,
	0xffff0b1b, 0xffff0c1a, 0xff000c1b, 0xff000d1b,
	0xff000d1b, 0xff000e1b, 0xff000e1c, 0xff010f1c,
	0xfe01101c, 0xfe01101d, 0xfe02111c, 0xfe02111c,

	0x00ff0411, 0x00ff0411, 0x00ff0412, 0x00ff0512,
	0x00ff0513, 0x00ff0513, 0x00ff0613, 0x00ff0614,
	0x00ff0714, 0x00ff0715, 0x00ff0715, 0xffff0816,
	0xffff0816, 0xff000916, 0xff000917, 0xff000918,
	0xff000a17, 0xff000a18, 0xff000b18, 0xff000b18,
	0xff010c18, 0xff010c19, 0xff010d18, 0xff010d18,
	0xff020d18, 0xff020e19, 0xff020e19, 0xff020f19,
	0xff030f19, 0xff031019, 0xff031019, 0xff031119,

	0x00ff0511, 0x00ff0511, 0x00000511, 0x00000611,
	0x00000612, 0x00000612, 0x00000712, 0x00000713,
	0x00000714, 0x00000814, 0x00000814, 0x00000914,
	0x00000914, 0xff010914, 0xff010a15, 0xff010a16,
	0xff010a17, 0xff010b16, 0xff010b16, 0xff020c16,
	0xff020c16, 0xff020c16, 0xff020d16, 0xff020d17,
	0xff030d17, 0xff030e17, 0xff030e17, 0xff030f17,
	0xff040f17, 0xff040f17, 0xff041017, 0xff051017,

	0x00000610, 0x00000610, 0x00000611, 0x00000611,
	0x00000711, 0x00000712, 0x00010712, 0x00010812,
	0x00010812, 0x00010812, 0x00010913, 0x00010913,
	0x00010913, 0x00010a13, 0x00020a13, 0x00020a14,
	0x00020b14, 0x00020b14, 0x00020b14, 0x00020c14,
	0x00030c14, 0x00030c15, 0x00030d15, 0x00030d15,
	0x00040d15, 0x00040e15, 0x00040e15, 0x00040e16,
	0x00050f15, 0x00050f15, 0x00050f16, 0x00051015,

	0x00000611, 0x00010610, 0x00010710, 0x00010710,
	0x00010711, 0x00010811, 0x00010811, 0x00010812,
	0x00010812, 0x00010912, 0x00020912, 0x00020912,
	0x00020a12, 0x00020a12, 0x00020a13, 0x00020a13,
	0x00030b13, 0x00030b13, 0x00030b14, 0x00030c13,
	0x00030c13, 0x00040c13, 0x00040d14, 0x00040d14,
	0x00040d15, 0x00040d15, 0x00050e14, 0x00050e14,
	0x00050e15, 0x00050f14, 0x00060f14, 0x00060f14,

	0x0001070f, 0x0001070f, 0x00010710, 0x00010710,
	0x00010810, 0x00010810, 0x00020810, 0x00020811,
	0x00020911, 0x00020911, 0x00020912, 0x00020912,
	0x00020a12, 0x00030a12, 0x00030a12, 0x00030b12,
	0x00030b12, 0x00030b12, 0x00040b12, 0x00040c12,
	0x00040c13, 0x00040c14, 0x00040c14, 0x00050d13,
	0x00050d13, 0x00050d14, 0x00050e13, 0x01050e13,
	0x01060e13, 0x01060e13, 0x01060e14, 0x01060f13
};

static const uint32_t lan2coefftab32[480] = {
	0x00004000, 0x000140ff, 0x00033ffe, 0x00043ffd,
	0x00063efc, 0xff083dfc, 0x000a3bfb, 0xff0d39fb,
	0xff0f37fb, 0xff1136fa, 0xfe1433fb, 0xfe1631fb,
	0xfd192ffb, 0xfd1c2cfb, 0xfd1f29fb, 0xfc2127fc,
	0xfc2424fc, 0xfc2721fc, 0xfb291ffd, 0xfb2c1cfd,
	0xfb2f19fd, 0xfb3116fe, 0xfb3314fe, 0xfa3611ff,
	0xfb370fff, 0xfb390dff, 0xfb3b0a00, 0xfc3d08ff,
	0xfc3e0600, 0xfd3f0400, 0xfe3f0300, 0xff400100,

	0xff053804, 0xff063803, 0xff083801, 0xff093701,
	0xff0a3700, 0xff0c3500, 0xff0e34ff, 0xff1033fe,
	0xff1232fd, 0xfe1431fd, 0xfe162ffd, 0xfe182dfd,
	0xfd1b2cfc, 0xfd1d2afc, 0xfd1f28fc, 0xfd2126fc,
	0xfd2323fd, 0xfc2621fd, 0xfc281ffd, 0xfc2a1dfd,
	0xfc2c1bfd, 0xfd2d18fe, 0xfd2f16fe, 0xfd3114fe,
	0xfd3212ff, 0xfe3310ff, 0xff340eff, 0x00350cff,
	0x00360a00, 0x01360900, 0x02370700, 0x03370600,

	0xff083207, 0xff093206, 0xff0a3205, 0xff0c3203,
	0xff0d3103, 0xff0e3102, 0xfe113001, 0xfe132f00,
	0xfe142e00, 0xfe162dff, 0xfe182bff, 0xfe192aff,
	0xfe1b29fe, 0xfe1d27fe, 0xfe1f25fe, 0xfd2124fe,
	0xfe2222fe, 0xfe2421fd, 0xfe251ffe, 0xfe271dfe,
	0xfe291bfe, 0xff2a19fe, 0xff2b18fe, 0xff2d16fe,
	0x002e14fe, 0x002f12ff, 0x013010ff, 0x02300fff,
	0x03310dff, 0x04310cff, 0x05310a00, 0x06310900,

	0xff0a2e09, 0xff0b2e08, 0xff0c2e07, 0xff0e2d06,
	0xff0f2d05, 0xff102d04, 0xff122c03, 0xfe142c02,
	0xfe152b02, 0xfe172a01, 0xfe182901, 0xfe1a2800,
	0xfe1b2700, 0xfe1d2500, 0xff1e24ff, 0xfe2023ff,
	0xff2121ff, 0xff2320fe, 0xff241eff, 0x00251dfe,
	0x00261bff, 0x00281afe, 0x012818ff, 0x012a16ff,
	0x022a15ff, 0x032b13ff, 0x032c12ff, 0x052c10ff,
	0x052d0fff, 0x062d0d00, 0x072d0c00, 0x082d0b00,

	0xff0c2a0b, 0xff0d2a0a, 0xff0e2a09, 0xff0f2a08,
	0xff102a07, 0xff112a06, 0xff132905, 0xff142904,
	0xff162803, 0xff172703, 0xff182702, 0xff1a2601,
	0xff1b2501, 0xff1c2401, 0xff1e2300, 0xff1f2200,
	0x00202000, 0x00211f00, 0x01221d00, 0x01231c00,
	0x01251bff, 0x02251aff, 0x032618ff, 0x032717ff,
	0x042815ff, 0x052814ff, 0x052913ff, 0x06291100,
	0x072a10ff, 0x082a0e00, 0x092a0d00, 0x0a2a0c00,

	0xff0d280c, 0xff0e280b, 0xff0f280a, 0xff102809,
	0xff112808, 0xff122708, 0xff142706, 0xff152705,
	0xff162605, 0xff172604, 0xff192503, 0xff1a2403,
	0x001b2302, 0x001c2202, 0x001d2201, 0x001e2101,
	0x011f1f01, 0x01211e00, 0x01221d00, 0x02221c00,
	0x02231b00, 0x03241900, 0x04241800, 0x04251700,
	0x052616ff, 0x06261400, 0x072713ff, 0x08271100,
	0x08271100, 0x09271000, 0x0a280e00, 0x0b280d00,

	0xff0e260d, 0xff0f260c, 0xff10260b, 0xff11260a,
	0xff122609, 0xff132608, 0xff142508, 0xff152507,
	0x00152506, 0x00172405, 0x00182305, 0x00192304,
	0x001b2203, 0x001c2103, 0x011d2002, 0x011d2002,
	0x011f1f01, 0x021f1e01, 0x02201d01, 0x03211c00,
	0x03221b00, 0x04221a00, 0x04231801, 0x05241700,
	0x06241600, 0x07241500, 0x08251300, 0x09251200,
	0x09261100, 0x0a261000, 0x0b260f00, 0x0c260e00,

	0xff0e250e, 0xff0f250d, 0xff10250c, 0xff11250b,
	0x0011250a, 0x00132409, 0x00142408, 0x00152407,
	0x00162307, 0x00172306, 0x00182206, 0x00192205,
	0x011a2104, 0x011b2004, 0x011c2003, 0x021c1f03,
	0x021e1e02, 0x031e1d02, 0x03201c01, 0x04201b01,
	0x04211a01, 0x05221900, 0x05221801, 0x06231700,
	0x07231600, 0x07241500, 0x08241400, 0x09241300,
	0x0a241200, 0x0b241100, 0x0c241000, 0x0d240f00,

	0x000e240e, 0x000f240d, 0x0010240c, 0x0011240b,
	0x0013230a, 0x0013230a, 0x00142309, 0x00152308,
	0x00162208, 0x00172207, 0x01182106, 0x01192105,
	0x011a2005, 0x021b1f04, 0x021b1f04, 0x021d1e03,
	0x031d1d03, 0x031e1d02, 0x041e1c02, 0x041f1b02,
	0x05201a01, 0x05211901, 0x06211801, 0x07221700,
	0x07221601, 0x08231500, 0x09231400, 0x0a231300,
	0x0a231300, 0x0b231200, 0x0c231100, 0x0d231000,

	0x000f220f, 0x0010220e, 0x0011220d, 0x0012220c,
	0x0013220b, 0x0013220b, 0x0015210a, 0x0015210a,
	0x01162108, 0x01172008, 0x01182007, 0x02191f06,
	0x02191f06, 0x021a1e06, 0x031a1e05, 0x031c1d04,
	0x041c1c04, 0x041d1c03, 0x051d1b03, 0x051e1a03,
	0x061f1902, 0x061f1902, 0x07201801, 0x08201701,
	0x08211601, 0x09211501, 0x0a211500, 0x0b211400,
	0x0b221300, 0x0c221200, 0x0d221100, 0x0e221000,

	0x0010210f, 0x0011210e, 0x0011210e, 0x0012210d,
	0x0013210c, 0x0014200c, 0x0114200b, 0x0115200a,
	0x01161f0a, 0x01171f09, 0x02171f08, 0x02181e08,
	0x03181e07, 0x031a1d06, 0x031a1d06, 0x041b1c05,
	0x041c1c04, 0x051c1b04, 0x051d1a04, 0x061d1a03,
	0x071d1903, 0x071e1803, 0x081e1802, 0x081f1702,
	0x091f1602, 0x0a201501, 0x0b1f1501, 0x0b201401,
	0x0c211300, 0x0d211200, 0x0e201200, 0x0e211100,

	0x00102010, 0x0011200f, 0x0012200e, 0x0013200d,
	0x0013200d, 0x01141f0c, 0x01151f0b, 0x01151f0b,
	0x01161f0a, 0x02171e09, 0x02171e09, 0x03181d08,
	0x03191d07, 0x03191d07, 0x041a1c06, 0x041b1c05,
	0x051b1b05, 0x051c1b04, 0x061c1a04, 0x071d1903,
	0x071d1903, 0x081d1803, 0x081e1703, 0x091e1702,
	0x0a1f1601, 0x0a1f1502, 0x0b1f1501, 0x0c1f1401,
	0x0d201300, 0x0d201300, 0x0e201200, 0x0f201100,

	0x00102010, 0x0011200f, 0x00121f0f, 0x00131f0e,
	0x00141f0d, 0x01141f0c, 0x01141f0c, 0x01151e0c,
	0x02161e0a, 0x02171e09, 0x03171d09, 0x03181d08,
	0x03181d08, 0x04191c07, 0x041a1c06, 0x051a1b06,
	0x051b1b05, 0x061b1a05, 0x061c1a04, 0x071c1904,
	0x081c1903, 0x081d1803, 0x091d1703, 0x091e1702,
	0x0a1e1602, 0x0b1e1502, 0x0c1e1501, 0x0c1f1401,
	0x0d1f1400, 0x0e1f1300, 0x0e1f1201, 0x0f1f1200,

	0x00111e11, 0x00121e10, 0x00131e0f, 0x00131e0f,
	0x01131e0e, 0x01141d0e, 0x02151d0c, 0x02151d0c,
	0x02161d0b, 0x03161c0b, 0x03171c0a, 0x04171c09,
	0x04181b09, 0x05181b08, 0x05191b07, 0x06191a07,
	0x061a1a06, 0x071a1906, 0x071b1905, 0x081b1805,
	0x091b1804, 0x091c1704, 0x0a1c1703, 0x0a1c1604,
	0x0b1d1602, 0x0c1d1502, 0x0c1d1502, 0x0d1d1402,
	0x0e1d1401, 0x0e1e1301, 0x0f1e1300, 0x101e1200,

	0x00111e11, 0x00121e10, 0x00131d10, 0x01131d0f,
	0x01141d0e, 0x01141d0e, 0x02151c0d, 0x02151c0d,
	0x03161c0b, 0x03161c0b, 0x04171b0a, 0x04171b0a,
	0x05171b09, 0x05181a09, 0x06181a08, 0x06191a07,
	0x07191907, 0x071a1906, 0x081a1806, 0x081a1806,
	0x091a1805, 0x0a1b1704, 0x0a1b1704, 0x0b1c1603,
	0x0b1c1603, 0x0c1c1503, 0x0d1c1502, 0x0d1d1402,
	0x0e1d1401, 0x0f1d1301, 0x0f1d1301, 0x101e1200,
};

static const uint32_t bicubic8coefftab32_left[480] = {
	0x40000000, 0x40ff0000, 0x3ffe0000, 0x3efe0000,
	0x3dfd0000, 0x3cfc0000, 0x3bfc0000, 0x39fc0000,
	0x36fc0000, 0x35fb0000, 0x33fb0000, 0x31fb0000,
	0x2ffb0000, 0x2cfb0000, 0x29fc0000, 0x27fc0000,
	0x24fc0000, 0x21fc0000, 0x1efd0000, 0x1cfd0000,
	0x19fd0000, 0x16fe0000, 0x14fe0000, 0x11fe0000,
	0x0dff0000, 0x0cff0000, 0x0aff0000, 0x08ff0000,
	0x05000000, 0x03000000, 0x02000000, 0x01000000,

	0x3904ff00, 0x3903ff00, 0x3902ff00, 0x38010000,
	0x37000000, 0x36ff0000, 0x35ff0000, 0x34fe0000,
	0x32fe0000, 0x31fd0000, 0x30fd0000, 0x2efc0000,
	0x2cfc0000, 0x2afc0000, 0x28fc0000, 0x26fc0000,
	0x24fc0000, 0x22fc0000, 0x20fc0000, 0x1efc0000,
	0x1cfc0000, 0x19fc0000, 0x17fc0000, 0x15fd0000,
	0x12fd0000, 0x11fd0000, 0x0ffd0000, 0x0dfe0000,
	0x0bfe0000, 0x09fe0000, 0x08fe0000, 0x06ff0000,

	0x3209fe00, 0x3407fe00, 0x3306fe00, 0x3305fe00,
	0x3204fe00, 0x3102ff00, 0x3102ff00, 0x3001ff00,
	0x2f00ff00, 0x2effff00, 0x2cff0000, 0x2bfe0000,
	0x29fe0000, 0x28fe0000, 0x26fd0000, 0x24fd0000,
	0x23fd0000, 0x21fd0000, 0x20fc0000, 0x1efc0000,
	0x1dfc0000, 0x1bfc0000, 0x19fc0000, 0x17fc0000,
	0x16fc0000, 0x14fc0000, 0x12fc0000, 0x10fd0000,
	0x0ffd0000, 0x0dfd0000, 0x0cfd0000, 0x0afd0000,

	0x2e0cfd00, 0x2e0bfd00, 0x2e09fd00, 0x2e08fd00,
	0x2e07fd00, 0x2c06fe00, 0x2c05fe00, 0x2b04fe00,
	0x2b03fe00, 0x2a02fe00, 0x2901fe00, 0x2701ff00,
	0x2700ff00, 0x26ffff00, 0x24ffff00, 0x23ffff00,
	0x22feff00, 0x20fe0000, 0x1ffe0000, 0x1efd0000,
	0x1dfd0000, 0x1bfd0000, 0x1afd0000, 0x19fd0000,
	0x17fd0000, 0x15fd0000, 0x13fd0000, 0x12fd0000,
	0x11fd0000, 0x10fd0000, 0x0ffd0000, 0x0cfd0000,

	0x2a0efd00, 0x2a0dfd00, 0x2a0cfd00, 0x290bfd00,
	0x290afd00, 0x2909fd00, 0x2908fd00, 0x2807fd00,
	0x2706fd00, 0x2705fd00, 0x2604fe00, 0x2603fe00,
	0x2502fe00, 0x2402fe00, 0x2401fe00, 0x2200fe00,
	0x2200fe00, 0x2000ff00, 0x1fffff00, 0x1effff00,
	0x1dfeff00, 0x1cfeff00, 0x1afeff00, 0x19feff00,
	0x17fe0000, 0x16fd0000, 0x15fd0000, 0x14fd0000,
	0x12fd0000, 0x11fd0000, 0x10fd0000, 0x0ffd0000,

	0x2610fd00, 0x260ffd00, 0x260efd00, 0x260dfd00,
	0x260cfd00, 0x260bfd00, 0x260afd00, 0x2609fd00,
	0x2508fd00, 0x2507fd00, 0x2406fd00, 0x2406fd00,
	0x2305fd00, 0x2304fd00, 0x2203fe00, 0x2103fe00,
	0x2002fe00, 0x1f01fe00, 0x1e01fe00, 0x1e00fe00,
	0x1c00fe00, 0x1b00fe00, 0x1afffe00, 0x19ffff00,
	0x18ffff00, 0x17feff00, 0x16feff00, 0x15feff00,
	0x14feff00, 0x13feff00, 0x11feff00, 0x10fd0000,

	0x2411feff, 0x2410feff, 0x240ffeff, 0x230efeff,
	0x240dfeff, 0x240cfeff, 0x230cfd00, 0x230bfd00,
	0x230afd00, 0x2309fd00, 0x2208fd00, 0x2108fd00,
	0x2007fd00, 0x2106fd00, 0x2005fd00, 0x1f05fd00,
	0x1f04fd00, 0x1e03fd00, 0x1d03fe00, 0x1c02fe00,
	0x1b02fe00, 0x1a01fe00, 0x1a01fe00, 0x1900fe00,
	0x1800fe00, 0x1700fe00, 0x16fffe00, 0x15fffe00,
	0x13ffff00, 0x12ffff00, 0x12feff00, 0x11feff00,

	0x2212fffe, 0x2211fffe, 0x2210ffff, 0x220ffeff,
	0x220efeff, 0x210efeff, 0x210dfeff, 0x210cfeff,
	0x210bfeff, 0x200bfeff, 0x200afeff, 0x1f09feff,
	0x1f08feff, 0x1d08fe00, 0x1e07fd00, 0x1e06fd00,
	0x1d06fd00, 0x1c05fd00, 0x1b04fe00, 0x1a04fe00,
	0x1a03fe00, 0x1903fe00, 0x1802fe00, 0x1802fe00,
	0x1701fe00, 0x1601fe00, 0x1501fe00, 0x1500fe00,
	0x1400fe00, 0x1400fe00, 0x13fffe00, 0x12fffe00,

	0x201200fe, 0x201100fe, 0x1f1100fe, 0x2010fffe,
	0x200ffffe, 0x1f0ffffe, 0x1f0efffe, 0x1e0dffff,
	0x1f0cfeff, 0x1e0cfeff, 0x1e0bfeff, 0x1e0afeff,
	0x1d0afeff, 0x1d09feff, 0x1c08feff, 0x1b08feff,
	0x1b07feff, 0x1a07feff, 0x1a06feff, 0x1a05feff,
	0x1805fe00, 0x1904fe00, 0x1704fe00, 0x1703fe00,
	0x1603fe00, 0x1602fe00, 0x1402fe00, 0x1402fe00,
	0x1401fe00, 0x1301fe00, 0x1201fe00, 0x1200fe00,

	0x1c1202fe, 0x1c1102fe, 0x1b1102fe, 0x1c1001fe,
	0x1b1001fe, 0x1c0f01fe, 0x1b0f00fe, 0x1b0e00fe,
	0x1b0e00fe, 0x1b0d00fe, 0x1b0c00fe, 0x1a0cfffe,
	0x1a0bfffe, 0x1a0bfffe, 0x190afffe, 0x190afffe,
	0x1909fffe, 0x1709ffff, 0x1808ffff, 0x1708feff,
	0x1707feff, 0x1707feff, 0x1606feff, 0x1506feff,
	0x1505feff, 0x1505feff, 0x1404feff, 0x1404feff,
	0x1404feff, 0x1303feff, 0x1203feff, 0x1202feff,

	0x191104fe, 0x191104fe, 0x191003fe, 0x191003fe,
	0x171003fe, 0x180f03fe, 0x180f02fe, 0x180e02fe,
	0x180e02fe, 0x180d01fe, 0x180d01fe, 0x180d01fe,
	0x170c01fe, 0x160c01fe, 0x170b00fe, 0x170b00fe,
	0x160a00fe, 0x160a00fe, 0x160a00fe, 0x150900fe,
	0x1509fffe, 0x1508fffe, 0x1508fffe, 0x1408fffe,
	0x1407fffe, 0x1307ffff, 0x1306ffff, 0x1206ffff,
	0x1206ffff, 0x1205ffff, 0x1205ffff, 0x1104feff,

	0x161006ff, 0x161005ff, 0x161005ff, 0x160f05ff,
	0x160f04ff, 0x150f04ff, 0x150e04ff, 0x150e04ff,
	0x150e03ff, 0x150d03ff, 0x150d03ff, 0x150d02ff,
	0x140c02ff, 0x150c02fe, 0x150c02fe, 0x150b02fe,
	0x140b01fe, 0x140b01fe, 0x140a01fe, 0x140a01fe,
	0x140a01fe, 0x130900fe, 0x130900fe, 0x130900fe,
	0x130800fe, 0x120800fe, 0x120800fe, 0x120700fe,
	0x120700fe, 0x1107fffe, 0x1106fffe, 0x1106fffe,

	0x140f0700, 0x140f0600, 0x140f0600, 0x140f0600,
	0x140e0600, 0x130e0500, 0x140e05ff, 0x130e05ff,
	0x140d05ff, 0x130d04ff, 0x130d04ff, 0x120d04ff,
	0x130c04ff, 0x130c03ff, 0x130c03ff, 0x120c03ff,
	0x120b03ff, 0x120b02ff, 0x120b02ff, 0x120a02ff,
	0x120a02ff, 0x110a02ff, 0x110a01ff, 0x120901ff,
	0x100901ff, 0x100901ff, 0x110801ff, 0x110801ff,
	0x100800ff, 0x100800ff, 0x100700ff, 0x100700fe,

	0x120f0701, 0x120e0701, 0x120e0701, 0x120e0701,
	0x120e0600, 0x110e0600, 0x120d0600, 0x120d0600,
	0x120d0500, 0x120d0500, 0x110d0500, 0x110c0500,
	0x110c0500, 0x110c0400, 0x110c0400, 0x110b04ff,
	0x110b04ff, 0x110b04ff, 0x110b03ff, 0x110b03ff,
	0x110a03ff, 0x110a03ff, 0x100a03ff, 0x110a02ff,
	0x100902ff, 0x100902ff, 0x100902ff, 0x0f0902ff,
	0x0e0902ff, 0x100801ff, 0x0f0801ff, 0x0f0801ff,

	0x100e0802, 0x100e0802, 0x110e0702, 0x110d0701,
	0x110d0701, 0x100d0701, 0x100d0701, 0x110d0601,
	0x110d0601, 0x110c0601, 0x110c0601, 0x100c0600,
	0x100c0500, 0x100c0500, 0x100c0500, 0x100b0500,
	0x100b0500, 0x100b0400, 0x100b0400, 0x0f0b0400,
	0x100a0400, 0x0f0a0400, 0x0f0a0400, 0x0f0a0300,
	0x0f0a03ff, 0x0f0903ff, 0x0f0903ff, 0x0f0903ff,
	0x0f0903ff, 0x0f0902ff, 0x0f0902ff, 0x0f0802ff
};

static const uint32_t bicubic8coefftab32_right[480] = {
	0x00000000, 0x00000001, 0x00000003, 0x00000004,
	0x00000006, 0x0000ff09, 0x0000ff0a, 0x0000ff0c,
	0x0000ff0f, 0x0000fe12, 0x0000fe14, 0x0000fe16,
	0x0000fd19, 0x0000fd1c, 0x0000fd1e, 0x0000fc21,
	0x0000fc24, 0x0000fc27, 0x0000fc29, 0x0000fb2c,
	0x0000fb2f, 0x0000fb31, 0x0000fb33, 0x0000fb36,
	0x0000fc38, 0x0000fc39, 0x0000fc3b, 0x0000fc3d,
	0x0000fd3e, 0x0000fe3f, 0x0000fe40, 0x0000ff40,

	0x0000ff05, 0x0000ff06, 0x0000fe08, 0x0000fe09,
	0x0000fe0b, 0x0000fe0d, 0x0000fd0f, 0x0000fd11,
	0x0000fd13, 0x0000fd15, 0x0000fc17, 0x0000fc1a,
	0x0000fc1c, 0x0000fc1e, 0x0000fc20, 0x0000fc22,
	0x0000fc24, 0x0000fc26, 0x0000fc28, 0x0000fc2a,
	0x0000fc2c, 0x0000fc2f, 0x0000fd30, 0x0000fd31,
	0x0000fe33, 0x0000fe34, 0x0000ff35, 0x0000ff36,
	0x00000037, 0x00000138, 0x00ff0239, 0x00ff0339,

	0x0000fe09, 0x0000fd0a, 0x0000fd0c, 0x0000fd0d,
	0x0000fd0f, 0x0000fd11, 0x0000fc12, 0x0000fc14,
	0x0000fc16, 0x0000fc18, 0x0000fc19, 0x0000fc1b,
	0x0000fc1d, 0x0000fc1e, 0x0000fc21, 0x0000fd22,
	0x0000fd23, 0x0000fd25, 0x0000fd27, 0x0000fe28,
	0x0000fe29, 0x0000fe2b, 0x0000ff2c, 0x00ffff2f,
	0x00ff002f, 0x00ff0130, 0x00ff0231, 0x00ff0232,
	0x00fe0432, 0x00fe0533, 0x00fe0633, 0x00fe0734,

	0x0000fd0c, 0x0000fd0d, 0x0000fd0f, 0x0000fd10,
	0x0000fd11, 0x0000fd13, 0x0000fd14, 0x0000fd16,
	0x0000fd17, 0x0000fd19, 0x0000fd1b, 0x0000fd1c,
	0x0000fd1d, 0x0000fd1f, 0x0000fe20, 0x0000fe21,
	0x00fffe24, 0x00ffff24, 0x00ffff25, 0x00ffff27,
	0x00ff0027, 0x00ff0128, 0x00fe012a, 0x00fe022a,
	0x00fe032b, 0x00fe042c, 0x00fe052d, 0x00fe062d,
	0x00fd072e, 0x00fd082e, 0x00fd092e, 0x00fd0b2f,

	0x0000fd0e, 0x0000fd0f, 0x0000fd10, 0x0000fd12,
	0x0000fd13, 0x0000fd14, 0x0000fd15, 0x0000fd17,
	0x0000fe18, 0x00fffe1a, 0x00fffe1b, 0x00fffe1c,
	0x00fffe1e, 0x00ffff1e, 0x00ffff1f, 0x00ff0021,
	0x00fe0022, 0x00fe0023, 0x00fe0124, 0x00fe0224,
	0x00fe0226, 0x00fe0326, 0x00fe0427, 0x00fd0528,
	0x00fd0628, 0x00fd0729, 0x00fd0829, 0x00fd0929,
	0x00fd0a2a, 0x00fd0b2a, 0x00fd0c2a, 0x00fd0d2a,

	0x0000fd10, 0x0000fd11, 0x00fffe12, 0x00fffe13,
	0x00fffe14, 0x00fffe15, 0x00fffe16, 0x00fffe17,
	0x00ffff18, 0x00ffff19, 0x00feff1c, 0x00fe001b,
	0x00fe001d, 0x00fe001e, 0x00fe011e, 0x00fe011f,
	0x00fe0220, 0x00fe0321, 0x00fe0322, 0x00fd0423,
	0x00fd0524, 0x00fd0624, 0x00fd0626, 0x00fd0725,
	0x00fd0825, 0x00fd0926, 0x00fd0a26, 0x00fd0b26,
	0x00fd0c26, 0x00fd0d26, 0x00fd0e27, 0x00fd0f27,

	0x00fffe11, 0x00fffe12, 0x00fffe13, 0x00ffff14,
	0x00ffff14, 0x00feff16, 0x00feff17, 0x00fe0017,
	0x00fe0018, 0x00fe0019, 0x00fe011a, 0x00fe011b,
	0x00fe021c, 0x00fe021c, 0x00fe031d, 0x00fd031f,
	0x00fd041f, 0x00fd0520, 0x00fd0520, 0x00fd0621,
	0x00fd0721, 0x00fd0822, 0x00fd0822, 0x00fd0923,
	0x00fd0a23, 0x00fd0b23, 0x00fd0b25, 0x00fe0c24,
	0x00fe0d24, 0x00fe0e24, 0x00fe0f24, 0x00fe1024,

	0x00feff12, 0x00feff13, 0x00feff13, 0x00fe0014,
	0x00fe0015, 0x00fe0016, 0x00fe0116, 0x00fe0117,
	0x00fe0118, 0x00fe0218, 0x00fe0219, 0x00fe031a,
	0x00fe031b, 0x00fe041b, 0x00fd041d, 0x00fd051d,
	0x00fd061d, 0x00fd061f, 0x00fe071e, 0x00fe081e,
	0x00fe081f, 0x00fe091f, 0x00fe0a20, 0x00fe0a20,
	0x00fe0b21, 0x00fe0c21, 0x00fe0d21, 0x00fe0d22,
	0x00fe0e22, 0x00fe0f21, 0x00ff1021, 0x00ff1022,

	0x00fe0012, 0x00fe0013, 0x00fe0113, 0x00fe0114,
	0x00fe0115, 0x00fe0215, 0x00fe0216, 0x00fe0217,
	0x00fe0317, 0x00fe0318, 0x00fe0418, 0x00fe0419,
	0x00fe0519, 0x00fe051a, 0x00fe061b, 0x00fe071b,
	0x00fe071c, 0x00fe081c, 0x00fe081d, 0x00fe091d,
	0x00fe0a1d, 0x00fe0a1d, 0x00fe0b1e, 0x00fe0c1e,
	0x00ff0c1e, 0x00ff0d1e, 0x00ff0e1f, 0x00ff0e1f,
	0x00ff0f1f, 0x00ff0f20, 0x0000101f, 0x0000111f,

	0x00fe0212, 0x00fe0312, 0x00fe0313, 0x00fe0314,
	0x00fe0414, 0x00fe0414, 0x00fe0515, 0x00fe0516,
	0x00fe0516, 0x00fe0616, 0x00fe0617, 0x00fe0718,
	0x00fe0719, 0x00fe0818, 0x00ff0819, 0x00ff0918,
	0x00ff0919, 0x00ff0a19, 0x00ff0a19, 0x00ff0b1a,
	0x00ff0b1b, 0x00ff0c1a, 0x00000c1b, 0x00000d1b,
	0x00000d1c, 0x00000e1b, 0x00000e1d, 0x00010f1b,
	0x00010f1b, 0x0001101c, 0x0001101d, 0x0002111c,

	0x00fe0412, 0x00fe0412, 0x00ff0512, 0x00ff0512,
	0x00ff0613, 0x00ff0613, 0x00ff0614, 0x00ff0714,
	0x00ff0714, 0x00ff0815, 0x00ff0815, 0x00ff0815,
	0x00ff0916, 0x00000916, 0x00000a16, 0x00000a16,
	0x00000a18, 0x00000b17, 0x00000b17, 0x00010c17,
	0x00010c18, 0x00010d18, 0x00010d18, 0x00010d19,
	0x00020e18, 0x00020e18, 0x00020f18, 0x00030f18,
	0x00030f18, 0x00031018, 0x00031018, 0x00041119,

	0x00ff0610, 0x00ff0611, 0x00ff0611, 0x00ff0711,
	0x00000711, 0x00000712, 0x00000812, 0x00000812,
	0x00000813, 0x00000913, 0x00000913, 0x00000914,
	0x00010a14, 0x00010a14, 0x00010a14, 0x00010b14,
	0x00010b16, 0x00020b15, 0x00020c15, 0x00020c15,
	0x00020c15, 0x00020d17, 0x00030d16, 0x00030d16,
	0x00030e16, 0x00040e16, 0x00040e16, 0x00040f16,
	0x00040f16, 0x00050f17, 0x00051017, 0x00051017,

	0x0000070f, 0x00000710, 0x00000710, 0x00000710,
	0x00000810, 0x00010811, 0x00010811, 0x00010911,
	0x00010911, 0x00010913, 0x00010913, 0x00020a12,
	0x00020a12, 0x00020a13, 0x00020b12, 0x00020b13,
	0x00030b13, 0x00030c13, 0x00030c13, 0x00030c14,
	0x00040c13, 0x00040d13, 0x00040d14, 0x00040d14,
	0x00050e14, 0x00050e14, 0x00050e14, 0x00050e14,
	0x00060f14, 0x00060f14, 0x00060f15, 0x00061015,

	0x0001070f, 0x0001080f, 0x0001080f, 0x0001080f,
	0x00010811, 0x00020910, 0x00020910, 0x00020910,
	0x00020911, 0x00020a10, 0x00030a10, 0x00030a11,
	0x00030a11, 0x00030b11, 0x00030b11, 0x00040b12,
	0x00040b12, 0x00040c11, 0x00040c12, 0x00040c12,
	0x00050c12, 0x00050c12, 0x00050d12, 0x00050d12,
	0x00060d13, 0x00060d13, 0x00060e12, 0x00060e13,
	0x00070e13, 0x00070e13, 0x00070f13, 0x00070f13,

	0x0002080e, 0x0002080e, 0x0002080e, 0x00020810,
	0x0002090f, 0x0003090f, 0x0003090f, 0x0003090f,
	0x0003090f, 0x00030a0f, 0x00030a0f, 0x00040a10,
	0x00040a11, 0x00040b10, 0x00040b10, 0x00040b11,
	0x00050b10, 0x00050b11, 0x00050c10, 0x00050c11,
	0x00050c11, 0x00060c11, 0x00060c11, 0x00060d11,
	0x00060d12, 0x00070d12, 0x00070d12, 0x00070e11,
	0x00070e11, 0x00070e12, 0x00080e11, 0x00080e12
};

static const uint32_t bicubic4coefftab32[480] = {
	0x00004000, 0x000140ff, 0x00033ffe, 0x00043ffd,
	0x00063dfd, 0xff083dfc, 0xff0a3bfc, 0xff0c39fc,
	0xff0e37fc, 0xfe1136fb, 0xfe1433fb, 0xfe1631fb,
	0xfd192ffb, 0xfd1c2cfb, 0xfd1e29fc, 0xfc2127fc,
	0xfc2424fc, 0xfc2721fc, 0xfc291efd, 0xfb2c1cfd,
	0xfb2f19fd, 0xfb3116fe, 0xfb3314fe, 0xfb3611fe,
	0xfc370eff, 0xfc390cff, 0xfc3b0aff, 0xfc3d08ff,
	0xfd3d0600, 0xfd3f0400, 0xfe3f0300, 0xff400100,

	0xfe053904, 0xfe063903, 0xfe083901, 0xfe0a3800,
	0xfd0b3800, 0xfe0d36ff, 0xfd0f35ff, 0xfd1134fe,
	0xfd1332fe, 0xfd1531fd, 0xfc1730fd, 0xfc1a2efc,
	0xfc1c2cfc, 0xfc1e2afc, 0xfc2028fc, 0xfc2226fc,
	0xfc2424fc, 0xfc2622fc, 0xfc2820fc, 0xfc2a1efc,
	0xfc2c1cfc, 0xfc2e1afc, 0xfd3017fc, 0xfd3115fd,
	0xfe3213fd, 0xfe3411fd, 0xff350ffd, 0xff360dfe,
	0x00370bfe, 0x013809fe, 0x023808fe, 0x033806ff,

	0xfd093208, 0xfd0a3207, 0xfd0c3205, 0xfd0d3204,
	0xfc0f3203, 0xfc113102, 0xfc123002, 0xfc143000,
	0xfc152f00, 0xfc172d00, 0xfc192cff, 0xfc1b2bfe,
	0xfc1d29fe, 0xfc1e28fe, 0xfc2027fd, 0xfd2125fd,
	0xfd2323fd, 0xfd2521fd, 0xfd2720fc, 0xfe281efc,
	0xfe291dfc, 0xfe2b1bfc, 0xff2c19fc, 0x002d17fc,
	0x002e16fc, 0x012f14fc, 0x022f12fd, 0x023110fd,
	0x03310ffd, 0x05310dfd, 0x06320bfd, 0x07320afd,

	0xfc0c2d0b, 0xfc0d2d0a, 0xfc0e2d09, 0xfc102d07,
	0xfc112c07, 0xfc132c05, 0xfc142c04, 0xfc162b03,
	0xfc172a03, 0xfc192a01, 0xfc1a2901, 0xfd1b2800,
	0xfd1c2700, 0xfd1e2500, 0xfe1f24ff, 0xfe2023ff,
	0xfe2222fe, 0xff2320fe, 0xff241ffe, 0x00251efd,
	0x00271cfd, 0x01271bfd, 0x01281afd, 0x022918fd,
	0x032a16fd, 0x032b15fd, 0x042b14fd, 0x052c12fd,
	0x072c10fd, 0x082c0ffd, 0x092c0efd, 0x0a2c0dfd,

	0xfd0d290d, 0xfd0e290c, 0xfd0f290b, 0xfd11280a,
	0xfd122809, 0xfd132808, 0xfd142807, 0xfd162706,
	0xfd172705, 0xfd192604, 0xfe1a2503, 0xfe1b2502,
	0xfe1c2402, 0xfe1d2302, 0xff1e2201, 0xff1f2101,
	0x00202000, 0x00211f00, 0x01221eff, 0x02221dff,
	0x02241cfe, 0x03241bfe, 0x042519fe, 0x042618fe,
	0x052617fe, 0x062716fd, 0x072714fe, 0x082713fe,
	0x092812fd, 0x0a2811fd, 0x0b2810fd, 0x0c280ffd,

	0xfd0f250f, 0xfd10250e, 0xfd11250d, 0xfd12250c,
	0xfd13250b, 0xfe13250a, 0xfe152409, 0xfe162408,
	0xfe172308, 0xff182306, 0xff192305, 0xff1a2205,
	0x001b2104, 0x001c2103, 0x001d2003, 0x011e1f02,
	0x011f1f01, 0x021f1e01, 0x03201d00, 0x03211c00,
	0x04211b00, 0x05221aff, 0x062219ff, 0x062318ff,
	0x082316ff, 0x082316ff, 0x092415fe, 0x0a2414fe,
	0x0b2413fe, 0x0c2412fe, 0x0d2411fe, 0x0e2410fe,

	0xfe10230f, 0xfe11230e, 0xfe12220e, 0xfe13220d,
	0xfe14220c, 0xff14220b, 0xff15220a, 0xff16210a,
	0x00162109, 0x00172108, 0x00182008, 0x01192006,
	0x011a1f06, 0x021a1f05, 0x021b1e05, 0x031c1d04,
	0x031d1d03, 0x041d1c03, 0x041e1b03, 0x051e1b02,
	0x061f1a01, 0x06201901, 0x07201801, 0x08201800,
	0x09201700, 0x0a211500, 0x0b2115ff, 0x0c2114ff,
	0x0c2213ff, 0x0d2212ff, 0x0e2211ff, 0x0f2211fe,

	0xff112010, 0xff12200f, 0xff12200f, 0xff13200e,
	0x0013200d, 0x0014200c, 0x00151f0c, 0x00161f0b,
	0x01161f0a, 0x01171e0a, 0x02171e09, 0x02181e08,
	0x03191d07, 0x03191d07, 0x041a1c06, 0x041b1c05,
	0x051b1b05, 0x051c1b04, 0x061c1a04, 0x071c1a03,
	0x071d1903, 0x081e1802, 0x091d1802, 0x091e1702,
	0x0a1f1601, 0x0b1f1600, 0x0b1f1501, 0x0c201400,
	0x0d1f1400, 0x0e2013ff, 0x0f1f1200, 0x102011ff,

	0x00111f10, 0x00121e10, 0x00131e0f, 0x00131e0f,
	0x01131e0e, 0x01141e0d, 0x01151d0d, 0x02151d0c,
	0x02161d0b, 0x03161d0a, 0x03171c0a, 0x04171c09,
	0x04181c08, 0x05181b08, 0x05191b07, 0x06191a07,
	0x061a1a06, 0x071a1906, 0x071b1905, 0x081b1805,
	0x081c1804, 0x091c1704, 0x0a1c1703, 0x0a1d1603,
	0x0b1d1602, 0x0c1d1502, 0x0c1d1502, 0x0d1e1401,
	0x0e1d1401, 0x0e1e1301, 0x0f1e1300, 0x101e1200,

	0x02111c11, 0x02121c10, 0x02131b10, 0x03131b0f,
	0x03131b0f, 0x03141b0e, 0x04141b0d, 0x04151a0d,
	0x05151a0c, 0x05151a0c, 0x05161a0b, 0x0616190b,
	0x0616190b, 0x0716190a, 0x0717180a, 0x08171809,
	0x08181808, 0x09181708, 0x09181708, 0x0a181707,
	0x0a191607, 0x0b191606, 0x0b1a1605, 0x0c1a1505,
	0x0c1a1505, 0x0d1a1504, 0x0d1b1404, 0x0e1b1403,
	0x0f1b1303, 0x0f1b1303, 0x101b1302, 0x101c1202,

	0x04111a11, 0x04121911, 0x04131910, 0x0513190f,
	0x0513190f, 0x0513190f, 0x0613190e, 0x0614180e,
	0x0714180d, 0x0714180d, 0x0715180c, 0x0814180c,
	0x0815170c, 0x0816170b, 0x0916170a, 0x0916170a,
	0x0a16160a, 0x0a171609, 0x0a171609, 0x0b171608,
	0x0b171509, 0x0c171508, 0x0c181507, 0x0d171507,
	0x0d181407, 0x0e181406, 0x0e181406, 0x0e191306,
	0x0f191305, 0x0f191305, 0x10191304, 0x10191205,

	0x05121811, 0x06121810, 0x06121810, 0x06131710,
	0x0713170f, 0x0713170f, 0x0713170f, 0x0813170e,
	0x0813170e, 0x0814170d, 0x0914160d, 0x0914160d,
	0x0914160d, 0x0a14160c, 0x0a15160b, 0x0a15150c,
	0x0b15150b, 0x0b15150b, 0x0b16150a, 0x0c15150a,
	0x0c16140a, 0x0d161409, 0x0d161409, 0x0d171408,
	0x0e161408, 0x0e171308, 0x0e171308, 0x0f171307,
	0x0f171307, 0x10171306, 0x10181206, 0x10181206,

	0x07111711, 0x07121710, 0x07121611, 0x08121610,
	0x08121610, 0x0813160f, 0x0912160f, 0x0913160e,
	0x0913160e, 0x0913160e, 0x0a14150d, 0x0a14150d,
	0x0a14150d, 0x0b14150c, 0x0b14150c, 0x0b14150c,
	0x0c14140c, 0x0c15140b, 0x0c15140b, 0x0c15140b,
	0x0d15140a, 0x0d15140a, 0x0d15140a, 0x0e161309,
	0x0e161309, 0x0e161309, 0x0f151309, 0x0f161308,
	0x0f161209, 0x10161208, 0x10161208, 0x10171207,

	0x0a111411, 0x0b111410, 0x0b111410, 0x0b111410,
	0x0b111410, 0x0b12140f, 0x0b12140f, 0x0c12130f,
	0x0c12130f, 0x0c12130f, 0x0c12130f, 0x0c12130f,
	0x0d12130e, 0x0d12130e, 0x0d12130e, 0x0d13130d,
	0x0d13130d, 0x0d13130d, 0x0e12130d, 0x0e13120d,
	0x0e13120d, 0x0e13120d, 0x0e13120d, 0x0f13120c,
	0x0f13120c, 0x0f13120c, 0x0f14120b, 0x0f14120b,
	0x1013120b, 0x1013120b, 0x1013120b, 0x1014110b,

	0x0c111310, 0x0c111310, 0x0c111310, 0x0d101310,
	0x0d101310, 0x0d111210, 0x0d111210, 0x0d111210,
	0x0d12120f, 0x0d12120f, 0x0d12120f, 0x0d12120f,
	0x0e11120f, 0x0e12120e, 0x0e12120e, 0x0e12120e,
	0x0e12120e, 0x0e12120e, 0x0e12120e, 0x0e12120e,
	0x0f11120e, 0x0f12120d, 0x0f12120d, 0x0f12120d,
	0x0f12120d, 0x0f12110e, 0x0f12110e, 0x0f12110e,
	0x1012110d, 0x1012110d, 0x1013110c, 0x1013110c,
};

#define SUN8I_VI_SCALER_SCALE_FRAC		20
#define SUN8I_VI_SCALER_COEFF_COUNT		32

static int sun8i_vi_scaler_coef_index(unsigned int step)
{
	unsigned int scale, int_part, float_part;

	scale = step >> (SUN8I_VI_SCALER_SCALE_FRAC - 3);
	int_part = scale >> 3;
	float_part = scale & 0x7;

	switch (int_part) {
	case 0:
		return 0;
	case 1:
		return float_part;
	case 2:
		return 8 + (float_part >> 1);
	case 3:
		return 12;
	case 4:
		return 13;
	default:
		return 14;
	}
}

void display_scaler_set_coeff(uint32_t hstep, int sub)
{
	const uint32_t *ch_left, *ch_right, *cy;
	int offset, i;

	// XXX: I don't see that making a difference...
	if (sub) {
		ch_left = lan3coefftab32_left;
		ch_right = lan3coefftab32_right;
		cy = lan2coefftab32;
	} else {
		ch_left = bicubic8coefftab32_left;
		ch_right = bicubic8coefftab32_right;
		cy = bicubic4coefftab32;
	}

	offset = sun8i_vi_scaler_coef_index(hstep) *
			SUN8I_VI_SCALER_COEFF_COUNT;
	for (i = 0; i < SUN8I_VI_SCALER_COEFF_COUNT; i++) {
		DE_MIXER0_VS_Y_HCOEF0(i) = lan3coefftab32_left[offset + i];
		DE_MIXER0_VS_Y_HCOEF1(i) = lan3coefftab32_right[offset + i];
		DE_MIXER0_VS_C_HCOEF0(i) = ch_left[offset + i];
		DE_MIXER0_VS_C_HCOEF1(i) = ch_right[offset + i];
	}

	offset = sun8i_vi_scaler_coef_index(hstep) *
			SUN8I_VI_SCALER_COEFF_COUNT;
	for (i = 0; i < SUN8I_VI_SCALER_COEFF_COUNT; i++) {
		DE_MIXER0_VS_Y_VCOEF(i) = lan2coefftab32[offset + i];
		DE_MIXER0_VS_C_VCOEF(i) = cy[offset + i];
	}
}

// Taken from display.c and thus MIT-licensed; see LICENCE file.
void display_scaler_nearest_neighbour(void)
{
    for(int n = 0; n < SUN8I_VI_SCALER_COEFF_COUNT; n++) {
      DE_MIXER0_VS_Y_HCOEF0(n) = 0x40000000;
      DE_MIXER0_VS_Y_HCOEF1(n) = 0;
      DE_MIXER0_VS_Y_VCOEF(n)  = 0x00004000;
      DE_MIXER0_VS_C_HCOEF0(n) = 0x40000000;
      DE_MIXER0_VS_C_HCOEF1(n) = 0;
      DE_MIXER0_VS_C_VCOEF(n)  = 0x00004000;
    }
}