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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/clc37b.h> | |
27 | ||
28 | static void | |
29 | wimmc37b_update(struct nv50_wndw *wndw, u32 *interlock) | |
30 | { | |
31 | u32 *push; | |
32 | if ((push = evo_wait(&wndw->wimm, 2))) { | |
33 | evo_mthd(push, 0x0200, 1); | |
34 | if (interlock[NV50_DISP_INTERLOCK_WNDW] & wndw->interlock.data) | |
35 | evo_data(push, 0x00000003); | |
36 | else | |
37 | evo_data(push, 0x00000001); | |
38 | evo_kick(push, &wndw->wimm); | |
39 | } | |
40 | } | |
41 | ||
42 | static void | |
43 | wimmc37b_point(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw) | |
44 | { | |
45 | u32 *push; | |
46 | if ((push = evo_wait(&wndw->wimm, 2))) { | |
47 | evo_mthd(push, 0x0208, 1); | |
48 | evo_data(push, asyw->point.y << 16 | asyw->point.x); | |
49 | evo_kick(push, &wndw->wimm); | |
50 | } | |
51 | } | |
52 | ||
53 | static const struct nv50_wimm_func | |
54 | wimmc37b = { | |
55 | .point = wimmc37b_point, | |
56 | .update = wimmc37b_update, | |
57 | }; | |
58 | ||
59 | static int | |
60 | wimmc37b_init_(const struct nv50_wimm_func *func, struct nouveau_drm *drm, | |
61 | s32 oclass, struct nv50_wndw *wndw) | |
62 | { | |
63 | struct nvc37b_window_imm_channel_dma_v0 args = { | |
64 | .pushbuf = 0xb0007b00 | wndw->id, | |
65 | .index = wndw->id, | |
66 | }; | |
67 | struct nv50_disp *disp = nv50_disp(drm->dev); | |
68 | int ret; | |
69 | ||
70 | ret = nv50_dmac_create(&drm->client.device, &disp->disp->object, | |
71 | &oclass, 0, &args, sizeof(args), 0, | |
72 | &wndw->wimm); | |
73 | if (ret) { | |
74 | NV_ERROR(drm, "wimm%04x allocation failed: %d\n", oclass, ret); | |
75 | return ret; | |
76 | } | |
77 | ||
d2434e4d | 78 | wndw->interlock.wimm = wndw->interlock.data; |
facaed62 BS |
79 | wndw->immd = func; |
80 | return 0; | |
81 | } | |
82 | ||
83 | int | |
84 | wimmc37b_init(struct nouveau_drm *drm, s32 oclass, struct nv50_wndw *wndw) | |
85 | { | |
86 | return wimmc37b_init_(&wimmc37b, drm, oclass, wndw); | |
87 | } |