134 lines
4.0 KiB
C
134 lines
4.0 KiB
C
/*
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* Copyright 2018 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "wndw.h"
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#include "atom.h"
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#include <drm/drm_atomic_helper.h>
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#include <drm/drm_plane_helper.h>
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#include <nouveau_bo.h>
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#include <nvif/clc37e.h>
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static void
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wndwc57e_ilut_clr(struct nv50_wndw *wndw)
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{
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u32 *push;
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if ((push = evo_wait(&wndw->wndw, 2))) {
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evo_mthd(push, 0x0444, 1);
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evo_data(push, 0x00000000);
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evo_kick(push, &wndw->wndw);
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}
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}
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static void
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wndwc57e_ilut_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
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{
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u32 *push;
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if ((push = evo_wait(&wndw->wndw, 4))) {
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evo_mthd(push, 0x0440, 3);
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evo_data(push, asyw->xlut.i.size << 8 |
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asyw->xlut.i.mode << 2 |
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asyw->xlut.i.output_mode);
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evo_data(push, asyw->xlut.handle);
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evo_data(push, asyw->xlut.i.offset >> 8);
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evo_kick(push, &wndw->wndw);
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}
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}
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static u16
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fixedU0_16_FP16(u16 fixed)
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{
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int sign = 0, exp = 0, man = 0;
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if (fixed) {
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while (--exp && !(fixed & 0x8000))
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fixed <<= 1;
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man = ((fixed << 1) & 0xffc0) >> 6;
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exp += 15;
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}
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return (sign << 15) | (exp << 10) | man;
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}
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static void
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wndwc57e_ilut_load(struct drm_color_lut *in, int size, void __iomem *mem)
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{
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memset_io(mem, 0x00, 0x20); /* VSS header. */
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mem += 0x20;
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for (; size--; in++, mem += 0x08) {
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u16 r = fixedU0_16_FP16(drm_color_lut_extract(in-> red, 16));
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u16 g = fixedU0_16_FP16(drm_color_lut_extract(in->green, 16));
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u16 b = fixedU0_16_FP16(drm_color_lut_extract(in-> blue, 16));
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writew(r, mem + 0);
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writew(g, mem + 2);
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writew(b, mem + 4);
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}
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/* INTERPOLATE modes require a "next" entry to interpolate with,
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* so we replicate the last entry to deal with this for now.
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*/
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writew(readw(mem - 8), mem + 0);
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writew(readw(mem - 6), mem + 2);
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writew(readw(mem - 4), mem + 4);
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}
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static void
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wndwc57e_ilut(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
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{
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u16 size = asyw->ilut->length / sizeof(struct drm_color_lut);
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if (size == 256) {
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asyw->xlut.i.mode = 1; /* DIRECT8. */
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} else {
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asyw->xlut.i.mode = 2; /* DIRECT10. */
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size = 1024;
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}
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asyw->xlut.i.size = 4 /* VSS header. */ + size + 1 /* Entries. */;
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asyw->xlut.i.output_mode = 0; /* INTERPOLATE_DISABLE. */
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asyw->xlut.i.load = wndwc57e_ilut_load;
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}
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static const struct nv50_wndw_func
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wndwc57e = {
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.acquire = wndwc37e_acquire,
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.release = wndwc37e_release,
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.sema_set = wndwc37e_sema_set,
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.sema_clr = wndwc37e_sema_clr,
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.ntfy_set = wndwc37e_ntfy_set,
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.ntfy_clr = wndwc37e_ntfy_clr,
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.ntfy_reset = corec37d_ntfy_init,
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.ntfy_wait_begun = base507c_ntfy_wait_begun,
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.ilut = wndwc57e_ilut,
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.ilut_identity = true,
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.xlut_set = wndwc57e_ilut_set,
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.xlut_clr = wndwc57e_ilut_clr,
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.image_set = wndwc37e_image_set,
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.image_clr = wndwc37e_image_clr,
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.update = wndwc37e_update,
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};
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int
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wndwc57e_new(struct nouveau_drm *drm, enum drm_plane_type type, int index,
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s32 oclass, struct nv50_wndw **pwndw)
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{
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return wndwc37e_new_(&wndwc57e, drm, type, index, oclass,
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BIT(index >> 1), pwndw);
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}
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