/* * Copyright 2018 Red Hat Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE.
*/ #include"wndw.h" #include"atom.h"
staticvoid
wndwc57e_ilut_load(struct drm_color_lut *in, int size, void __iomem *mem)
{
memset_io(mem, 0x00, 0x20); /* VSS header. */
mem += 0x20;
for (; size--; in++, mem += 0x08) {
u16 r = fixedU0_16_FP16(drm_color_lut_extract(in-> red, 16));
u16 g = fixedU0_16_FP16(drm_color_lut_extract(in->green, 16));
u16 b = fixedU0_16_FP16(drm_color_lut_extract(in-> blue, 16));
writew(r, mem + 0);
writew(g, mem + 2);
writew(b, mem + 4);
}
/* INTERPOLATE modes require a "next" entry to interpolate with, * so we replicate the last entry to deal with this for now.
*/
writew(readw(mem - 8), mem + 0);
writew(readw(mem - 6), mem + 2);
writew(readw(mem - 4), mem + 4);
}
void
wndwc57e_ilut(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw, int size)
{ if (!size)
size = 1024;
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