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
wimmc37b_update(struct nv50_wndw * wndw,u32 * interlock)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
wimmc37b_point(struct nv50_wndw * wndw,struct nv50_wndw_atom * asyw)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
wimmc37b_init_(const struct nv50_wimm_func * func,struct nouveau_drm * drm,s32 oclass,struct nv50_wndw * wndw)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
78 wndw->immd = func;
79 return 0;
80 }
81
82 int
wimmc37b_init(struct nouveau_drm * drm,s32 oclass,struct nv50_wndw * wndw)83 wimmc37b_init(struct nouveau_drm *drm, s32 oclass, struct nv50_wndw *wndw)
84 {
85 return wimmc37b_init_(&wimmc37b, drm, oclass, wndw);
86 }
87
