| /* |
| * 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 <core/os.h> |
| #include <core/class.h> |
| #include <core/engctx.h> |
| #include <core/namedb.h> |
| #include <core/handle.h> |
| #include <core/gpuobj.h> |
| #include <core/event.h> |
| |
| #include <subdev/bar.h> |
| |
| #include <engine/disp.h> |
| |
| #include "nv50.h" |
| |
| /******************************************************************************* |
| * software object classes |
| ******************************************************************************/ |
| |
| static int |
| nv50_software_mthd_dma_vblsem(struct nouveau_object *object, u32 mthd, |
| void *args, u32 size) |
| { |
| struct nv50_software_chan *chan = (void *)nv_engctx(object->parent); |
| struct nouveau_fifo_chan *fifo = (void *)nv_object(chan)->parent; |
| struct nouveau_handle *handle; |
| int ret = -EINVAL; |
| |
| handle = nouveau_namedb_get(nv_namedb(fifo), *(u32 *)args); |
| if (!handle) |
| return -ENOENT; |
| |
| if (nv_iclass(handle->object, NV_GPUOBJ_CLASS)) { |
| struct nouveau_gpuobj *gpuobj = nv_gpuobj(handle->object); |
| chan->vblank.ctxdma = gpuobj->node->offset >> 4; |
| ret = 0; |
| } |
| nouveau_namedb_put(handle); |
| return ret; |
| } |
| |
| static int |
| nv50_software_mthd_vblsem_offset(struct nouveau_object *object, u32 mthd, |
| void *args, u32 size) |
| { |
| struct nv50_software_chan *chan = (void *)nv_engctx(object->parent); |
| chan->vblank.offset = *(u32 *)args; |
| return 0; |
| } |
| |
| int |
| nv50_software_mthd_vblsem_value(struct nouveau_object *object, u32 mthd, |
| void *args, u32 size) |
| { |
| struct nv50_software_chan *chan = (void *)nv_engctx(object->parent); |
| chan->vblank.value = *(u32 *)args; |
| return 0; |
| } |
| |
| int |
| nv50_software_mthd_vblsem_release(struct nouveau_object *object, u32 mthd, |
| void *args, u32 size) |
| { |
| struct nv50_software_chan *chan = (void *)nv_engctx(object->parent); |
| u32 head = *(u32 *)args; |
| if (head >= chan->vblank.nr_event) |
| return -EINVAL; |
| |
| nouveau_event_get(chan->vblank.event[head]); |
| return 0; |
| } |
| |
| int |
| nv50_software_mthd_flip(struct nouveau_object *object, u32 mthd, |
| void *args, u32 size) |
| { |
| struct nv50_software_chan *chan = (void *)nv_engctx(object->parent); |
| if (chan->base.flip) |
| return chan->base.flip(chan->base.flip_data); |
| return -EINVAL; |
| } |
| |
| static struct nouveau_omthds |
| nv50_software_omthds[] = { |
| { 0x018c, 0x018c, nv50_software_mthd_dma_vblsem }, |
| { 0x0400, 0x0400, nv50_software_mthd_vblsem_offset }, |
| { 0x0404, 0x0404, nv50_software_mthd_vblsem_value }, |
| { 0x0408, 0x0408, nv50_software_mthd_vblsem_release }, |
| { 0x0500, 0x0500, nv50_software_mthd_flip }, |
| {} |
| }; |
| |
| static struct nouveau_oclass |
| nv50_software_sclass[] = { |
| { 0x506e, &nouveau_object_ofuncs, nv50_software_omthds }, |
| {} |
| }; |
| |
| /******************************************************************************* |
| * software context |
| ******************************************************************************/ |
| |
| static int |
| nv50_software_vblsem_release(void *data, u32 type, int head) |
| { |
| struct nv50_software_chan *chan = data; |
| struct nv50_software_priv *priv = (void *)nv_object(chan)->engine; |
| struct nouveau_bar *bar = nouveau_bar(priv); |
| |
| nv_wr32(priv, 0x001704, chan->vblank.channel); |
| nv_wr32(priv, 0x001710, 0x80000000 | chan->vblank.ctxdma); |
| bar->flush(bar); |
| |
| if (nv_device(priv)->chipset == 0x50) { |
| nv_wr32(priv, 0x001570, chan->vblank.offset); |
| nv_wr32(priv, 0x001574, chan->vblank.value); |
| } else { |
| nv_wr32(priv, 0x060010, chan->vblank.offset); |
| nv_wr32(priv, 0x060014, chan->vblank.value); |
| } |
| |
| return NVKM_EVENT_DROP; |
| } |
| |
| void |
| nv50_software_context_dtor(struct nouveau_object *object) |
| { |
| struct nv50_software_chan *chan = (void *)object; |
| int i; |
| |
| if (chan->vblank.event) { |
| for (i = 0; i < chan->vblank.nr_event; i++) |
| nouveau_event_ref(NULL, &chan->vblank.event[i]); |
| kfree(chan->vblank.event); |
| } |
| |
| nouveau_software_context_destroy(&chan->base); |
| } |
| |
| int |
| nv50_software_context_ctor(struct nouveau_object *parent, |
| struct nouveau_object *engine, |
| struct nouveau_oclass *oclass, void *data, u32 size, |
| struct nouveau_object **pobject) |
| { |
| struct nouveau_disp *pdisp = nouveau_disp(parent); |
| struct nv50_software_cclass *pclass = (void *)oclass; |
| struct nv50_software_chan *chan; |
| int ret, i; |
| |
| ret = nouveau_software_context_create(parent, engine, oclass, &chan); |
| *pobject = nv_object(chan); |
| if (ret) |
| return ret; |
| |
| chan->vblank.nr_event = pdisp ? pdisp->vblank->index_nr : 0; |
| chan->vblank.event = kzalloc(chan->vblank.nr_event * |
| sizeof(*chan->vblank.event), GFP_KERNEL); |
| if (!chan->vblank.event) |
| return -ENOMEM; |
| |
| for (i = 0; i < chan->vblank.nr_event; i++) { |
| ret = nouveau_event_new(pdisp->vblank, 1, i, pclass->vblank, |
| chan, &chan->vblank.event[i]); |
| if (ret) |
| return ret; |
| } |
| |
| chan->vblank.channel = nv_gpuobj(parent->parent)->addr >> 12; |
| return 0; |
| } |
| |
| static struct nv50_software_cclass |
| nv50_software_cclass = { |
| .base.handle = NV_ENGCTX(SW, 0x50), |
| .base.ofuncs = &(struct nouveau_ofuncs) { |
| .ctor = nv50_software_context_ctor, |
| .dtor = _nouveau_software_context_dtor, |
| .init = _nouveau_software_context_init, |
| .fini = _nouveau_software_context_fini, |
| }, |
| .vblank = nv50_software_vblsem_release, |
| }; |
| |
| /******************************************************************************* |
| * software engine/subdev functions |
| ******************************************************************************/ |
| |
| int |
| nv50_software_ctor(struct nouveau_object *parent, struct nouveau_object *engine, |
| struct nouveau_oclass *oclass, void *data, u32 size, |
| struct nouveau_object **pobject) |
| { |
| struct nv50_software_oclass *pclass = (void *)oclass; |
| struct nv50_software_priv *priv; |
| int ret; |
| |
| ret = nouveau_software_create(parent, engine, oclass, &priv); |
| *pobject = nv_object(priv); |
| if (ret) |
| return ret; |
| |
| nv_engine(priv)->cclass = pclass->cclass; |
| nv_engine(priv)->sclass = pclass->sclass; |
| nv_subdev(priv)->intr = nv04_software_intr; |
| return 0; |
| } |
| |
| struct nouveau_oclass * |
| nv50_software_oclass = &(struct nv50_software_oclass) { |
| .base.handle = NV_ENGINE(SW, 0x50), |
| .base.ofuncs = &(struct nouveau_ofuncs) { |
| .ctor = nv50_software_ctor, |
| .dtor = _nouveau_software_dtor, |
| .init = _nouveau_software_init, |
| .fini = _nouveau_software_fini, |
| }, |
| .cclass = &nv50_software_cclass.base, |
| .sclass = nv50_software_sclass, |
| }.base; |