1 /* $NetBSD: nouveau_dispnv50_corec37d.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $ */
2
3 /*
4 * Copyright 2018 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24 #include <sys/cdefs.h>
25 __KERNEL_RCSID(0, "$NetBSD: nouveau_dispnv50_corec37d.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $");
26
27 #include "core.h"
28 #include "head.h"
29
30 #include <nouveau_bo.h>
31
32 void
corec37d_wndw_owner(struct nv50_core * core)33 corec37d_wndw_owner(struct nv50_core *core)
34 {
35 const u32 windows = 8; /*XXX*/
36 u32 *push, i;
37 if ((push = evo_wait(&core->chan, 2 * windows))) {
38 for (i = 0; i < windows; i++) {
39 evo_mthd(push, 0x1000 + (i * 0x080), 1);
40 evo_data(push, i >> 1);
41 }
42 evo_kick(push, &core->chan);
43 }
44 }
45
46 void
corec37d_update(struct nv50_core * core,u32 * interlock,bool ntfy)47 corec37d_update(struct nv50_core *core, u32 *interlock, bool ntfy)
48 {
49 u32 *push;
50 if ((push = evo_wait(&core->chan, 9))) {
51 if (ntfy) {
52 evo_mthd(push, 0x020c, 1);
53 evo_data(push, 0x00001000 | NV50_DISP_CORE_NTFY);
54 }
55
56 evo_mthd(push, 0x0218, 2);
57 evo_data(push, interlock[NV50_DISP_INTERLOCK_CURS]);
58 evo_data(push, interlock[NV50_DISP_INTERLOCK_WNDW]);
59 evo_mthd(push, 0x0200, 1);
60 evo_data(push, 0x00000001);
61
62 if (ntfy) {
63 evo_mthd(push, 0x020c, 1);
64 evo_data(push, 0x00000000);
65 }
66 evo_kick(push, &core->chan);
67 }
68 }
69
70 int
corec37d_ntfy_wait_done(struct nouveau_bo * bo,u32 offset,struct nvif_device * device)71 corec37d_ntfy_wait_done(struct nouveau_bo *bo, u32 offset,
72 struct nvif_device *device)
73 {
74 u32 data;
75 s64 time = nvif_msec(device, 2000ULL,
76 data = nouveau_bo_rd32(bo, offset / 4 + 0);
77 if ((data & 0xc0000000) == 0x80000000)
78 break;
79 usleep_range(1, 2);
80 );
81 return time < 0 ? time : 0;
82 }
83
84 void
corec37d_ntfy_init(struct nouveau_bo * bo,u32 offset)85 corec37d_ntfy_init(struct nouveau_bo *bo, u32 offset)
86 {
87 nouveau_bo_wr32(bo, offset / 4 + 0, 0x00000000);
88 nouveau_bo_wr32(bo, offset / 4 + 1, 0x00000000);
89 nouveau_bo_wr32(bo, offset / 4 + 2, 0x00000000);
90 nouveau_bo_wr32(bo, offset / 4 + 3, 0x00000000);
91 }
92
93 static void
corec37d_init(struct nv50_core * core)94 corec37d_init(struct nv50_core *core)
95 {
96 const u32 windows = 8; /*XXX*/
97 u32 *push, i;
98 if ((push = evo_wait(&core->chan, 2 + 5 * windows))) {
99 evo_mthd(push, 0x0208, 1);
100 evo_data(push, core->chan.sync.handle);
101 for (i = 0; i < windows; i++) {
102 evo_mthd(push, 0x1004 + (i * 0x080), 2);
103 evo_data(push, 0x0000001f);
104 evo_data(push, 0x00000000);
105 evo_mthd(push, 0x1010 + (i * 0x080), 1);
106 evo_data(push, 0x00127fff);
107 }
108 evo_kick(push, &core->chan);
109 core->assign_windows = true;
110 }
111 }
112
113 static const struct nv50_core_func
114 corec37d = {
115 .init = corec37d_init,
116 .ntfy_init = corec37d_ntfy_init,
117 .ntfy_wait_done = corec37d_ntfy_wait_done,
118 .update = corec37d_update,
119 .wndw.owner = corec37d_wndw_owner,
120 .head = &headc37d,
121 .sor = &sorc37d,
122 };
123
124 int
corec37d_new(struct nouveau_drm * drm,s32 oclass,struct nv50_core ** pcore)125 corec37d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
126 {
127 return core507d_new_(&corec37d, drm, oclass, pcore);
128 }
129