diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c new file mode 100644 index 000000000..61759f544 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c @@ -0,0 +1,182 @@ +/* + * Copyright 2015 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 <bskeggs@redhat.com> + */ +#include "priv.h" + +#include <engine/fifo.h> + +u32 +nvkm_gr_ctxsw_inst(struct nvkm_device *device) +{ + struct nvkm_gr *gr = device->gr; + if (gr && gr->func->ctxsw.inst) + return gr->func->ctxsw.inst(gr); + return 0; +} + +int +nvkm_gr_ctxsw_resume(struct nvkm_device *device) +{ + struct nvkm_gr *gr = device->gr; + if (gr && gr->func->ctxsw.resume) + return gr->func->ctxsw.resume(gr); + return 0; +} + +int +nvkm_gr_ctxsw_pause(struct nvkm_device *device) +{ + struct nvkm_gr *gr = device->gr; + if (gr && gr->func->ctxsw.pause) + return gr->func->ctxsw.pause(gr); + return 0; +} + +static bool +nvkm_gr_chsw_load(struct nvkm_engine *engine) +{ + struct nvkm_gr *gr = nvkm_gr(engine); + if (gr->func->chsw_load) + return gr->func->chsw_load(gr); + return false; +} + +static void +nvkm_gr_tile(struct nvkm_engine *engine, int region, struct nvkm_fb_tile *tile) +{ + struct nvkm_gr *gr = nvkm_gr(engine); + if (gr->func->tile) + gr->func->tile(gr, region, tile); +} + +u64 +nvkm_gr_units(struct nvkm_gr *gr) +{ + if (gr->func->units) + return gr->func->units(gr); + return 0; +} + +int +nvkm_gr_tlb_flush(struct nvkm_gr *gr) +{ + if (gr->func->tlb_flush) + return gr->func->tlb_flush(gr); + return -ENODEV; +} + +static int +nvkm_gr_oclass_get(struct nvkm_oclass *oclass, int index) +{ + struct nvkm_gr *gr = nvkm_gr(oclass->engine); + int c = 0; + + if (gr->func->object_get) { + int ret = gr->func->object_get(gr, index, &oclass->base); + if (oclass->base.oclass) + return index; + return ret; + } + + while (gr->func->sclass[c].oclass) { + if (c++ == index) { + oclass->base = gr->func->sclass[index]; + return index; + } + } + + return c; +} + +static int +nvkm_gr_cclass_new(struct nvkm_fifo_chan *chan, + const struct nvkm_oclass *oclass, + struct nvkm_object **pobject) +{ + struct nvkm_gr *gr = nvkm_gr(oclass->engine); + if (gr->func->chan_new) + return gr->func->chan_new(gr, chan, oclass, pobject); + return 0; +} + +static void +nvkm_gr_intr(struct nvkm_engine *engine) +{ + struct nvkm_gr *gr = nvkm_gr(engine); + gr->func->intr(gr); +} + +static int +nvkm_gr_oneinit(struct nvkm_engine *engine) +{ + struct nvkm_gr *gr = nvkm_gr(engine); + if (gr->func->oneinit) + return gr->func->oneinit(gr); + return 0; +} + +static int +nvkm_gr_init(struct nvkm_engine *engine) +{ + struct nvkm_gr *gr = nvkm_gr(engine); + return gr->func->init(gr); +} + +static int +nvkm_gr_fini(struct nvkm_engine *engine, bool suspend) +{ + struct nvkm_gr *gr = nvkm_gr(engine); + if (gr->func->fini) + return gr->func->fini(gr, suspend); + return 0; +} + +static void * +nvkm_gr_dtor(struct nvkm_engine *engine) +{ + struct nvkm_gr *gr = nvkm_gr(engine); + if (gr->func->dtor) + return gr->func->dtor(gr); + return gr; +} + +static const struct nvkm_engine_func +nvkm_gr = { + .dtor = nvkm_gr_dtor, + .oneinit = nvkm_gr_oneinit, + .init = nvkm_gr_init, + .fini = nvkm_gr_fini, + .intr = nvkm_gr_intr, + .tile = nvkm_gr_tile, + .chsw_load = nvkm_gr_chsw_load, + .fifo.cclass = nvkm_gr_cclass_new, + .fifo.sclass = nvkm_gr_oclass_get, +}; + +int +nvkm_gr_ctor(const struct nvkm_gr_func *func, struct nvkm_device *device, + enum nvkm_subdev_type type, int inst, bool enable, struct nvkm_gr *gr) +{ + gr->func = func; + return nvkm_engine_ctor(&nvkm_gr, device, type, inst, enable, &gr->engine); +} |