diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/disp/nv50.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/nv50.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c new file mode 100644 index 000000000000..05a909a17cee --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c @@ -0,0 +1,129 @@ +/* + * 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, + }, +}; |