diff options
Diffstat (limited to 'drm/nouveau/nvkm/engine/fifo/gpfifogm20b.c')
-rw-r--r-- | drm/nouveau/nvkm/engine/fifo/gpfifogm20b.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/drm/nouveau/nvkm/engine/fifo/gpfifogm20b.c b/drm/nouveau/nvkm/engine/fifo/gpfifogm20b.c new file mode 100644 index 000000000..0f78fe797 --- /dev/null +++ b/drm/nouveau/nvkm/engine/fifo/gpfifogm20b.c @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2015, NVIDIA CORPORATION. All rights reserved. + * + * 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 AUTHORS OR COPYRIGHT HOLDERS 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. + */ +#include "changk104.h" + +#include <nvif/class.h> + +static void +gm20b_fifo_gpfifo_fini(struct nvkm_fifo_chan *base) +{ + struct gk104_fifo_chan *chan = gk104_fifo_chan(base); + struct gk104_fifo *fifo = chan->fifo; + struct nvkm_device *device = fifo->base.engine.subdev.device; + u32 coff = chan->base.chid * 8; + + if (!list_empty(&chan->head)) { + list_del_init(&chan->head); + nvkm_mask(device, 0x800004 + coff, 0x00000800, 0x00000800); + gk104_fifo_runlist_commit(fifo, chan->engine); + } + + gk104_fifo_gpfifo_kick(chan); + nvkm_wr32(device, 0x800000 + coff, 0x00000000); +} + +static const struct nvkm_fifo_chan_func +gm20b_fifo_gpfifo_func = { + .dtor = gk104_fifo_gpfifo_dtor, + .init = gk104_fifo_gpfifo_init, + .fini = gm20b_fifo_gpfifo_fini, + .ntfy = g84_fifo_chan_ntfy, + .engine_ctor = gk104_fifo_gpfifo_engine_ctor, + .engine_dtor = gk104_fifo_gpfifo_engine_dtor, + .engine_init = gk104_fifo_gpfifo_engine_init, + .engine_fini = gk104_fifo_gpfifo_engine_fini, +}; + +int +gm20b_fifo_gpfifo_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass, + void *data, u32 size, struct nvkm_object **pobject) +{ + return __gk104_fifo_gpfifo_new(base, oclass, &gm20b_fifo_gpfifo_func, + data, size, pobject); +} + +const struct nvkm_fifo_chan_oclass +gm20b_fifo_gpfifo_oclass = { + .base.oclass = MAXWELL_CHANNEL_GPFIFO_A, + .base.minver = 0, + .base.maxver = 0, + .ctor = gm20b_fifo_gpfifo_new, +}; |