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 "wimm.h" |
23 | #include "atom.h" |
24 | #include "wndw.h" |
25 | |
26 | #include <nvif/if0014.h> |
27 | #include <nvif/pushc37b.h> |
28 | |
29 | #include <nvhw/class/clc37b.h> |
30 | |
31 | static int |
32 | wimmc37b_update(struct nv50_wndw *wndw, u32 *interlock) |
33 | { |
34 | struct nvif_push *push = wndw->wimm.push; |
35 | int ret; |
36 | |
37 | if ((ret = PUSH_WAIT(push, 2))) |
38 | return ret; |
39 | |
40 | PUSH_MTHD(push, NVC37B, UPDATE, 0x00000001 | |
41 | NVVAL(NVC37B, UPDATE, INTERLOCK_WITH_WINDOW, |
42 | !!(interlock[NV50_DISP_INTERLOCK_WNDW] & wndw->interlock.data))); |
43 | return PUSH_KICK(push); |
44 | } |
45 | |
46 | static int |
47 | wimmc37b_point(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) |
48 | { |
49 | struct nvif_push *push = wndw->wimm.push; |
50 | int ret; |
51 | |
52 | if ((ret = PUSH_WAIT(push, 2))) |
53 | return ret; |
54 | |
55 | PUSH_MTHD(push, NVC37B, SET_POINT_OUT(0), |
56 | NVVAL(NVC37B, SET_POINT_OUT, X, asyw->point.x) | |
57 | NVVAL(NVC37B, SET_POINT_OUT, Y, asyw->point.y)); |
58 | return 0; |
59 | } |
60 | |
61 | static const struct nv50_wimm_func |
62 | wimmc37b = { |
63 | .point = wimmc37b_point, |
64 | .update = wimmc37b_update, |
65 | }; |
66 | |
67 | static int |
68 | wimmc37b_init_(const struct nv50_wimm_func *func, struct nouveau_drm *drm, |
69 | s32 oclass, struct nv50_wndw *wndw) |
70 | { |
71 | struct nvif_disp_chan_v0 args = { |
72 | .id = wndw->id, |
73 | }; |
74 | struct nv50_disp *disp = nv50_disp(dev: drm->dev); |
75 | int ret; |
76 | |
77 | ret = nv50_dmac_create(device: &drm->client.device, disp: &disp->disp->object, |
78 | oclass: &oclass, head: 0, data: &args, size: sizeof(args), syncbuf: -1, |
79 | dmac: &wndw->wimm); |
80 | if (ret) { |
81 | NV_ERROR(drm, "wimm%04x allocation failed: %d\n" , oclass, ret); |
82 | return ret; |
83 | } |
84 | |
85 | wndw->interlock.wimm = wndw->interlock.data; |
86 | wndw->immd = func; |
87 | return 0; |
88 | } |
89 | |
90 | int |
91 | wimmc37b_init(struct nouveau_drm *drm, s32 oclass, struct nv50_wndw *wndw) |
92 | { |
93 | return wimmc37b_init_(func: &wimmc37b, drm, oclass, wndw); |
94 | } |
95 | |