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1/*2 * Copyright 2012 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Ben Skeggs23 */24#include "nouveau_drv.h"25#include "nouveau_dma.h"26#include "nouveau_fence.h"27 28#include "nv50_display.h"29 30#include <nvif/push906f.h>31 32#include <nvhw/class/cl906f.h>33 34static int35nvc0_fence_emit32(struct nouveau_channel *chan, u64 virtual, u32 sequence)36{37 struct nvif_push *push = &chan->chan.push;38 int ret = PUSH_WAIT(push, 6);39 if (ret == 0) {40 PUSH_MTHD(push, NV906F, SEMAPHOREA,41 NVVAL(NV906F, SEMAPHOREA, OFFSET_UPPER, upper_32_bits(virtual)),42 43 SEMAPHOREB, lower_32_bits(virtual),44 SEMAPHOREC, sequence,45 46 SEMAPHORED,47 NVDEF(NV906F, SEMAPHORED, OPERATION, RELEASE) |48 NVDEF(NV906F, SEMAPHORED, RELEASE_WFI, EN) |49 NVDEF(NV906F, SEMAPHORED, RELEASE_SIZE, 16BYTE),50 51 NON_STALL_INTERRUPT, 0);52 PUSH_KICK(push);53 }54 return ret;55}56 57static int58nvc0_fence_sync32(struct nouveau_channel *chan, u64 virtual, u32 sequence)59{60 struct nvif_push *push = &chan->chan.push;61 int ret = PUSH_WAIT(push, 5);62 if (ret == 0) {63 PUSH_MTHD(push, NV906F, SEMAPHOREA,64 NVVAL(NV906F, SEMAPHOREA, OFFSET_UPPER, upper_32_bits(virtual)),65 66 SEMAPHOREB, lower_32_bits(virtual),67 SEMAPHOREC, sequence,68 69 SEMAPHORED,70 NVDEF(NV906F, SEMAPHORED, OPERATION, ACQ_GEQ) |71 NVDEF(NV906F, SEMAPHORED, ACQUIRE_SWITCH, ENABLED));72 PUSH_KICK(push);73 }74 return ret;75}76 77static int78nvc0_fence_context_new(struct nouveau_channel *chan)79{80 int ret = nv84_fence_context_new(chan);81 if (ret == 0) {82 struct nv84_fence_chan *fctx = chan->fence;83 fctx->base.emit32 = nvc0_fence_emit32;84 fctx->base.sync32 = nvc0_fence_sync32;85 }86 return ret;87}88 89int90nvc0_fence_create(struct nouveau_drm *drm)91{92 int ret = nv84_fence_create(drm);93 if (ret == 0) {94 struct nv84_fence_priv *priv = drm->fence;95 priv->base.context_new = nvc0_fence_context_new;96 }97 return ret;98}99