153 lines
4.2 KiB
C
153 lines
4.2 KiB
C
/*
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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 "drmP.h"
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#include "nouveau_drv.h"
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#include "nouveau_ramht.h"
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#include "nouveau_software.h"
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#include "nv50_display.h"
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struct nvc0_software_priv {
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struct nouveau_software_priv base;
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};
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struct nvc0_software_chan {
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struct nouveau_software_chan base;
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struct nouveau_vma dispc_vma[4];
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};
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u64
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nvc0_software_crtc(struct nouveau_channel *chan, int crtc)
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{
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struct nvc0_software_chan *pch = chan->engctx[NVOBJ_ENGINE_SW];
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return pch->dispc_vma[crtc].offset;
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}
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static int
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nvc0_software_context_new(struct nouveau_channel *chan, int engine)
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{
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struct drm_device *dev = chan->dev;
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct nvc0_software_priv *psw = nv_engine(dev, NVOBJ_ENGINE_SW);
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struct nvc0_software_chan *pch;
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int ret = 0, i;
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pch = kzalloc(sizeof(*pch), GFP_KERNEL);
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if (!pch)
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return -ENOMEM;
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nouveau_software_context_new(&pch->base);
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chan->engctx[engine] = pch;
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/* map display semaphore buffers into channel's vm */
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for (i = 0; !ret && i < dev->mode_config.num_crtc; i++) {
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struct nouveau_bo *bo;
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if (dev_priv->card_type >= NV_D0)
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bo = nvd0_display_crtc_sema(dev, i);
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else
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bo = nv50_display(dev)->crtc[i].sem.bo;
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ret = nouveau_bo_vma_add(bo, chan->vm, &pch->dispc_vma[i]);
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}
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if (ret)
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psw->base.base.context_del(chan, engine);
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return ret;
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}
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static void
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nvc0_software_context_del(struct nouveau_channel *chan, int engine)
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{
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struct drm_device *dev = chan->dev;
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct nvc0_software_chan *pch = chan->engctx[engine];
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int i;
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if (dev_priv->card_type >= NV_D0) {
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for (i = 0; i < dev->mode_config.num_crtc; i++) {
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struct nouveau_bo *bo = nvd0_display_crtc_sema(dev, i);
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nouveau_bo_vma_del(bo, &pch->dispc_vma[i]);
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}
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} else
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if (dev_priv->card_type >= NV_50) {
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struct nv50_display *disp = nv50_display(dev);
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for (i = 0; i < dev->mode_config.num_crtc; i++) {
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struct nv50_display_crtc *dispc = &disp->crtc[i];
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nouveau_bo_vma_del(dispc->sem.bo, &pch->dispc_vma[i]);
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}
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}
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chan->engctx[engine] = NULL;
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kfree(pch);
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}
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static int
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nvc0_software_object_new(struct nouveau_channel *chan, int engine,
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u32 handle, u16 class)
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{
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return 0;
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}
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static int
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nvc0_software_init(struct drm_device *dev, int engine)
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{
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return 0;
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}
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static int
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nvc0_software_fini(struct drm_device *dev, int engine, bool suspend)
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{
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return 0;
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}
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static void
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nvc0_software_destroy(struct drm_device *dev, int engine)
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{
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struct nvc0_software_priv *psw = nv_engine(dev, engine);
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NVOBJ_ENGINE_DEL(dev, SW);
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kfree(psw);
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}
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int
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nvc0_software_create(struct drm_device *dev)
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{
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struct nvc0_software_priv *psw = kzalloc(sizeof(*psw), GFP_KERNEL);
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if (!psw)
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return -ENOMEM;
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psw->base.base.destroy = nvc0_software_destroy;
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psw->base.base.init = nvc0_software_init;
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psw->base.base.fini = nvc0_software_fini;
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psw->base.base.context_new = nvc0_software_context_new;
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psw->base.base.context_del = nvc0_software_context_del;
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psw->base.base.object_new = nvc0_software_object_new;
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nouveau_software_create(&psw->base);
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NVOBJ_ENGINE_ADD(dev, SW, &psw->base.base);
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NVOBJ_CLASS(dev, 0x906e, SW);
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return 0;
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}
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