1 /*
2 * Copyright 2018 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22 #include "channv50.h"
23
24 #include <core/client.h>
25
26 #include <nvif/clc37b.h>
27 #include <nvif/unpack.h>
28
29 static void
gv100_disp_wimm_intr(struct nv50_disp_chan * chan,bool en)30 gv100_disp_wimm_intr(struct nv50_disp_chan *chan, bool en)
31 {
32 struct nvkm_device *device = chan->disp->base.engine.subdev.device;
33 const u32 mask = 0x00000001 << chan->head;
34 const u32 data = en ? mask : 0;
35 nvkm_mask(device, 0x611da8, mask, data);
36 }
37
38 const struct nv50_disp_chan_func
39 gv100_disp_wimm = {
40 .init = gv100_disp_dmac_init,
41 .fini = gv100_disp_dmac_fini,
42 .intr = gv100_disp_wimm_intr,
43 .user = gv100_disp_chan_user,
44 };
45
46 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)47 gv100_disp_wimm_new_(const struct nv50_disp_chan_func *func,
48 const struct nv50_disp_chan_mthd *mthd,
49 struct nv50_disp *disp, int chid,
50 const struct nvkm_oclass *oclass, void *argv, u32 argc,
51 struct nvkm_object **pobject)
52 {
53 union {
54 struct nvc37b_window_imm_channel_dma_v0 v0;
55 } *args = argv;
56 struct nvkm_object *parent = oclass->parent;
57 int wndw, ret = -ENOSYS;
58 u64 push;
59
60 nvif_ioctl(parent, "create window imm channel dma size %d\n", argc);
61 if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
62 nvif_ioctl(parent, "create window imm channel dma vers %d "
63 "pushbuf %016llx index %d\n",
64 args->v0.version, args->v0.pushbuf, args->v0.index);
65 if (!(disp->wndw.mask & BIT(args->v0.index)))
66 return -EINVAL;
67 push = args->v0.pushbuf;
68 wndw = args->v0.index;
69 } else
70 return ret;
71
72 return nv50_disp_dmac_new_(func, mthd, disp, chid + wndw,
73 wndw, push, oclass, pobject);
74 }
75
76 int
gv100_disp_wimm_new(const struct nvkm_oclass * oclass,void * argv,u32 argc,struct nv50_disp * disp,struct nvkm_object ** pobject)77 gv100_disp_wimm_new(const struct nvkm_oclass *oclass, void *argv, u32 argc,
78 struct nv50_disp *disp, struct nvkm_object **pobject)
79 {
80 return gv100_disp_wimm_new_(&gv100_disp_wimm, NULL, disp, 33,
81 oclass, argv, argc, pobject);
82 }
83
