kernel/drivers/gpu/drm/nouveau/dispnv50/cursc37a.c

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2024-07-22 17:22:30 +08:00
/*
* 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 "curs.h"
#include "atom.h"
#include <nvhw/class/clc37a.h>
static int
cursc37a_update(struct nv50_wndw *wndw, u32 *interlock)
{
struct nvif_object *user = &wndw->wimm.base.user;
int ret = nvif_chan_wait(&wndw->wimm, 1);
if (ret == 0)
NVIF_WR32(user, NVC37A, UPDATE, 0x00000001);
return ret;
}
static int
cursc37a_point(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
{
struct nvif_object *user = &wndw->wimm.base.user;
int ret = nvif_chan_wait(&wndw->wimm, 1);
if (ret == 0) {
NVIF_WR32(user, NVC37A, SET_CURSOR_HOT_SPOT_POINT_OUT(0),
NVVAL(NVC37A, SET_CURSOR_HOT_SPOT_POINT_OUT, X, asyw->point.x) |
NVVAL(NVC37A, SET_CURSOR_HOT_SPOT_POINT_OUT, Y, asyw->point.y));
}
return ret;
}
static const struct nv50_wimm_func
cursc37a = {
.point = cursc37a_point,
.update = cursc37a_update,
};
int
cursc37a_new(struct nouveau_drm *drm, int head, s32 oclass,
struct nv50_wndw **pwndw)
{
return curs507a_new_(&cursc37a, drm, head, oclass,
0x00000001 << head, pwndw);
}