99 lines
2.8 KiB
C
99 lines
2.8 KiB
C
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/*
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* Copyright 2012 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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* Authors: Ben Skeggs
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*/
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#include "nouveau_drv.h"
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#include "nouveau_dma.h"
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#include "nouveau_fence.h"
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#include "nv50_display.h"
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#include <nvif/push906f.h>
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#include <nvhw/class/cl906f.h>
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static int
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nvc0_fence_emit32(struct nouveau_channel *chan, u64 virtual, u32 sequence)
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{
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struct nvif_push *push = chan->chan.push;
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int ret = PUSH_WAIT(push, 6);
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if (ret == 0) {
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PUSH_MTHD(push, NV906F, SEMAPHOREA,
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NVVAL(NV906F, SEMAPHOREA, OFFSET_UPPER, upper_32_bits(virtual)),
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SEMAPHOREB, lower_32_bits(virtual),
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SEMAPHOREC, sequence,
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SEMAPHORED,
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NVDEF(NV906F, SEMAPHORED, OPERATION, RELEASE) |
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NVDEF(NV906F, SEMAPHORED, RELEASE_WFI, EN) |
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NVDEF(NV906F, SEMAPHORED, RELEASE_SIZE, 16BYTE),
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NON_STALL_INTERRUPT, 0);
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PUSH_KICK(push);
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}
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return ret;
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}
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static int
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nvc0_fence_sync32(struct nouveau_channel *chan, u64 virtual, u32 sequence)
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{
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struct nvif_push *push = chan->chan.push;
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int ret = PUSH_WAIT(push, 5);
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if (ret == 0) {
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PUSH_MTHD(push, NV906F, SEMAPHOREA,
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NVVAL(NV906F, SEMAPHOREA, OFFSET_UPPER, upper_32_bits(virtual)),
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SEMAPHOREB, lower_32_bits(virtual),
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SEMAPHOREC, sequence,
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SEMAPHORED,
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NVDEF(NV906F, SEMAPHORED, OPERATION, ACQ_GEQ) |
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NVDEF(NV906F, SEMAPHORED, ACQUIRE_SWITCH, ENABLED));
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PUSH_KICK(push);
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}
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return ret;
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}
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static int
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nvc0_fence_context_new(struct nouveau_channel *chan)
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{
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int ret = nv84_fence_context_new(chan);
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if (ret == 0) {
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struct nv84_fence_chan *fctx = chan->fence;
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fctx->base.emit32 = nvc0_fence_emit32;
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fctx->base.sync32 = nvc0_fence_sync32;
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}
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return ret;
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}
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int
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nvc0_fence_create(struct nouveau_drm *drm)
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{
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int ret = nv84_fence_create(drm);
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if (ret == 0) {
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struct nv84_fence_priv *priv = drm->fence;
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priv->base.context_new = nvc0_fence_context_new;
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}
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return ret;
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}
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