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/*
* Copyright 2018 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.
*/
#include "channv50.h"
#include <core/client.h>
#include <nvif/clc37b.h>
#include <nvif/unpack.h>
static void
gv100_disp_wimm_intr(struct nv50_disp_chan *chan, bool en)
{
struct nvkm_device *device = chan->disp->base.engine.subdev.device;
const u32 mask = 0x00000001 << chan->head;
const u32 data = en ? mask : 0;
nvkm_mask(device, 0x611da8, mask, data);
}
const struct nv50_disp_chan_func
gv100_disp_wimm = {
.init = gv100_disp_dmac_init,
.fini = gv100_disp_dmac_fini,
.intr = gv100_disp_wimm_intr,
.user = gv100_disp_chan_user,
};
static int
gv100_disp_wimm_new_(const struct nv50_disp_chan_func *func,
const struct nv50_disp_chan_mthd *mthd,
struct nv50_disp *disp, int chid,
const struct nvkm_oclass *oclass, void *argv, u32 argc,
struct nvkm_object **pobject)
{
union {
struct nvc37b_window_imm_channel_dma_v0 v0;
} *args = argv;
struct nvkm_object *parent = oclass->parent;
int wndw, ret = -ENOSYS;
u64 push;
nvif_ioctl(parent, "create window imm channel dma size %d\n", argc);
if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create window imm channel dma vers %d "
"pushbuf %016llx index %d\n",
args->v0.version, args->v0.pushbuf, args->v0.index);
if (!(disp->wndw.mask & BIT(args->v0.index)))
return -EINVAL;
push = args->v0.pushbuf;
wndw = args->v0.index;
} else
return ret;
return nv50_disp_dmac_new_(func, mthd, disp, chid + wndw,
wndw, push, oclass, pobject);
}
int
gv100_disp_wimm_new(const struct nvkm_oclass *oclass, void *argv, u32 argc,
struct nv50_disp *disp, struct nvkm_object **pobject)
{
return gv100_disp_wimm_new_(&gv100_disp_wimm, NULL, disp, 33,
oclass, argv, argc, pobject);
}
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