forked from Minki/linux
0446f48cb5
Required for upcoming FP16 scanout support. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
111 lines
3.1 KiB
C
111 lines
3.1 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 "core.h"
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#include "head.h"
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#include <nouveau_bo.h>
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void
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corec37d_update(struct nv50_core *core, u32 *interlock, bool ntfy)
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{
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u32 *push;
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if ((push = evo_wait(&core->chan, 9))) {
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if (ntfy) {
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evo_mthd(push, 0x020c, 1);
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evo_data(push, 0x00001000 | NV50_DISP_CORE_NTFY);
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}
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evo_mthd(push, 0x0218, 2);
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evo_data(push, interlock[NV50_DISP_INTERLOCK_CURS]);
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evo_data(push, interlock[NV50_DISP_INTERLOCK_WNDW]);
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evo_mthd(push, 0x0200, 1);
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evo_data(push, 0x00000001);
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if (ntfy) {
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evo_mthd(push, 0x020c, 1);
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evo_data(push, 0x00000000);
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}
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evo_kick(push, &core->chan);
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}
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}
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int
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corec37d_ntfy_wait_done(struct nouveau_bo *bo, u32 offset,
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struct nvif_device *device)
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{
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u32 data;
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s64 time = nvif_msec(device, 2000ULL,
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data = nouveau_bo_rd32(bo, offset / 4 + 0);
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if ((data & 0xc0000000) == 0x80000000)
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break;
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usleep_range(1, 2);
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);
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return time < 0 ? time : 0;
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}
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void
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corec37d_ntfy_init(struct nouveau_bo *bo, u32 offset)
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{
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nouveau_bo_wr32(bo, offset / 4 + 0, 0x00000000);
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nouveau_bo_wr32(bo, offset / 4 + 1, 0x00000000);
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nouveau_bo_wr32(bo, offset / 4 + 2, 0x00000000);
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nouveau_bo_wr32(bo, offset / 4 + 3, 0x00000000);
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}
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static void
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corec37d_init(struct nv50_core *core)
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{
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const u32 windows = 8; /*XXX*/
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u32 *push, i;
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if ((push = evo_wait(&core->chan, 2 + 6 * windows + 2))) {
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evo_mthd(push, 0x0208, 1);
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evo_data(push, core->chan.sync.handle);
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for (i = 0; i < windows; i++) {
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evo_mthd(push, 0x1000 + (i * 0x080), 3);
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evo_data(push, i >> 1);
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evo_data(push, 0x0000001f);
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evo_data(push, 0x00000000);
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evo_mthd(push, 0x1010 + (i * 0x080), 1);
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evo_data(push, 0x00127fff);
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}
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evo_mthd(push, 0x0200, 1);
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evo_data(push, 0x00000001);
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evo_kick(push, &core->chan);
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}
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}
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static const struct nv50_core_func
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corec37d = {
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.init = corec37d_init,
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.ntfy_init = corec37d_ntfy_init,
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.ntfy_wait_done = corec37d_ntfy_wait_done,
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.update = corec37d_update,
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.head = &headc37d,
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.sor = &sorc37d,
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};
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int
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corec37d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
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{
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return core507d_new_(&corec37d, drm, oclass, pcore);
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}
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