kernel_samsung_a34x-permissive/drivers/gpu/drm/nouveau/dispnv50/head917d.c

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/*
* 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 "head.h"
#include "core.h"
static void
head917d_dither(struct nv50_head *head, struct nv50_head_atom *asyh)
{
struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
u32 *push;
if ((push = evo_wait(core, 2))) {
evo_mthd(push, 0x04a0 + (head->base.index * 0x0300), 1);
evo_data(push, asyh->dither.mode << 3 |
asyh->dither.bits << 1 |
asyh->dither.enable);
evo_kick(push, core);
}
}
static void
head917d_base(struct nv50_head *head, struct nv50_head_atom *asyh)
{
struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
u32 bounds = 0;
u32 *push;
if (asyh->base.cpp) {
switch (asyh->base.cpp) {
case 8: bounds |= 0x00000500; break;
case 4: bounds |= 0x00000300; break;
case 2: bounds |= 0x00000100; break;
case 1: bounds |= 0x00000000; break;
default:
WARN_ON(1);
break;
}
bounds |= 0x00020001;
}
if ((push = evo_wait(core, 2))) {
evo_mthd(push, 0x04d0 + head->base.index * 0x300, 1);
evo_data(push, bounds);
evo_kick(push, core);
}
}
int
head917d_curs_layout(struct nv50_head *head, struct nv50_wndw_atom *asyw,
struct nv50_head_atom *asyh)
{
switch (asyw->state.fb->width) {
case 32: asyh->curs.layout = 0; break;
case 64: asyh->curs.layout = 1; break;
case 128: asyh->curs.layout = 2; break;
case 256: asyh->curs.layout = 3; break;
default:
return -EINVAL;
}
return 0;
}
const struct nv50_head_func
head917d = {
.view = head907d_view,
.mode = head907d_mode,
.olut = head907d_olut,
.olut_set = head907d_olut_set,
.olut_clr = head907d_olut_clr,
.core_calc = head507d_core_calc,
.core_set = head907d_core_set,
.core_clr = head907d_core_clr,
.curs_layout = head917d_curs_layout,
.curs_format = head507d_curs_format,
.curs_set = head907d_curs_set,
.curs_clr = head907d_curs_clr,
.base = head917d_base,
.ovly = head907d_ovly,
.dither = head917d_dither,
.procamp = head907d_procamp,
.or = head907d_or,
};