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
wimmc37b_update(struct nv50_wndw * wndw,u32 * interlock)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
wimmc37b_point(struct nv50_wndw * wndw,struct nv50_wndw_atom * asyw)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
wimmc37b_init_(const struct nv50_wimm_func * func,struct nouveau_drm * drm,s32 oclass,struct nv50_wndw * wndw)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(drm->dev);
75 int ret;
76
77 ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
78 &oclass, 0, &args, sizeof(args), -1,
79 &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
wimmc37b_init(struct nouveau_drm * drm,s32 oclass,struct nv50_wndw * wndw)91 wimmc37b_init(struct nouveau_drm *drm, s32 oclass, struct nv50_wndw *wndw)
92 {
93 return wimmc37b_init_(&wimmc37b, drm, oclass, wndw);
94 }
95