88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
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/*
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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 "wimm.h"
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#include "atom.h"
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#include "wndw.h"
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#include <nvif/clc37b.h>
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static void
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wimmc37b_update(struct nv50_wndw *wndw, u32 *interlock)
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{
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u32 *push;
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if ((push = evo_wait(&wndw->wimm, 2))) {
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evo_mthd(push, 0x0200, 1);
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if (interlock[NV50_DISP_INTERLOCK_WNDW] & wndw->interlock.data)
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evo_data(push, 0x00000003);
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else
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evo_data(push, 0x00000001);
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evo_kick(push, &wndw->wimm);
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}
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}
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static void
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wimmc37b_point(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->wimm, 2))) {
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evo_mthd(push, 0x0208, 1);
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evo_data(push, asyw->point.y << 16 | asyw->point.x);
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evo_kick(push, &wndw->wimm);
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}
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}
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static const struct nv50_wimm_func
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wimmc37b = {
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.point = wimmc37b_point,
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.update = wimmc37b_update,
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};
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static int
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wimmc37b_init_(const struct nv50_wimm_func *func, struct nouveau_drm *drm,
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s32 oclass, struct nv50_wndw *wndw)
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{
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struct nvc37b_window_imm_channel_dma_v0 args = {
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.pushbuf = 0xb0007b00 | wndw->id,
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.index = wndw->id,
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};
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struct nv50_disp *disp = nv50_disp(drm->dev);
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int ret;
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ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
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&oclass, 0, &args, sizeof(args), -1,
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&wndw->wimm);
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if (ret) {
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NV_ERROR(drm, "wimm%04x allocation failed: %d\n", oclass, ret);
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return ret;
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}
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wndw->interlock.wimm = wndw->interlock.data;
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wndw->immd = func;
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return 0;
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}
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int
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wimmc37b_init(struct nouveau_drm *drm, s32 oclass, struct nv50_wndw *wndw)
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{
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return wimmc37b_init_(&wimmc37b, drm, oclass, wndw);
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}
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