| /* |
| * Copyright 2012 Red Hat Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: Ben Skeggs |
| */ |
| |
| #include <subdev/bar.h> |
| |
| #include <engine/software.h> |
| #include <engine/disp.h> |
| |
| struct nv50_disp_priv { |
| struct nouveau_disp base; |
| }; |
| |
| static struct nouveau_oclass |
| nv50_disp_sclass[] = { |
| {}, |
| }; |
| |
| static void |
| nv50_disp_intr_vblank(struct nv50_disp_priv *priv, int crtc) |
| { |
| struct nouveau_bar *bar = nouveau_bar(priv); |
| struct nouveau_disp *disp = &priv->base; |
| struct nouveau_software_chan *chan, *temp; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&disp->vblank.lock, flags); |
| list_for_each_entry_safe(chan, temp, &disp->vblank.list, vblank.head) { |
| if (chan->vblank.crtc != crtc) |
| continue; |
| |
| if (nv_device(priv)->chipset == 0x50) { |
| nv_wr32(priv, 0x001704, chan->vblank.channel); |
| nv_wr32(priv, 0x001710, 0x80000000 | chan->vblank.ctxdma); |
| bar->flush(bar); |
| nv_wr32(priv, 0x001570, chan->vblank.offset); |
| nv_wr32(priv, 0x001574, chan->vblank.value); |
| } else { |
| nv_wr32(priv, 0x001718, 0x80000000 | chan->vblank.channel); |
| bar->flush(bar); |
| nv_wr32(priv, 0x06000c, |
| upper_32_bits(chan->vblank.offset)); |
| nv_wr32(priv, 0x060010, |
| lower_32_bits(chan->vblank.offset)); |
| nv_wr32(priv, 0x060014, chan->vblank.value); |
| } |
| |
| list_del(&chan->vblank.head); |
| if (disp->vblank.put) |
| disp->vblank.put(disp->vblank.data, crtc); |
| } |
| spin_unlock_irqrestore(&disp->vblank.lock, flags); |
| |
| if (disp->vblank.notify) |
| disp->vblank.notify(disp->vblank.data, crtc); |
| } |
| |
| static void |
| nv50_disp_intr(struct nouveau_subdev *subdev) |
| { |
| struct nv50_disp_priv *priv = (void *)subdev; |
| u32 stat1 = nv_rd32(priv, 0x610024); |
| |
| if (stat1 & 0x00000004) { |
| nv50_disp_intr_vblank(priv, 0); |
| nv_wr32(priv, 0x610024, 0x00000004); |
| stat1 &= ~0x00000004; |
| } |
| |
| if (stat1 & 0x00000008) { |
| nv50_disp_intr_vblank(priv, 1); |
| nv_wr32(priv, 0x610024, 0x00000008); |
| stat1 &= ~0x00000008; |
| } |
| |
| } |
| |
| static int |
| nv50_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, |
| struct nouveau_oclass *oclass, void *data, u32 size, |
| struct nouveau_object **pobject) |
| { |
| struct nv50_disp_priv *priv; |
| int ret; |
| |
| ret = nouveau_disp_create(parent, engine, oclass, "PDISP", |
| "display", &priv); |
| *pobject = nv_object(priv); |
| if (ret) |
| return ret; |
| |
| nv_engine(priv)->sclass = nv50_disp_sclass; |
| nv_subdev(priv)->intr = nv50_disp_intr; |
| |
| INIT_LIST_HEAD(&priv->base.vblank.list); |
| spin_lock_init(&priv->base.vblank.lock); |
| return 0; |
| } |
| |
| struct nouveau_oclass |
| nv50_disp_oclass = { |
| .handle = NV_ENGINE(DISP, 0x50), |
| .ofuncs = &(struct nouveau_ofuncs) { |
| .ctor = nv50_disp_ctor, |
| .dtor = _nouveau_disp_dtor, |
| .init = _nouveau_disp_init, |
| .fini = _nouveau_disp_fini, |
| }, |
| }; |