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 "core.h"
23 #include "head.h"
24
25 #include <nvif/cl507d.h>
26
27 #include "nouveau_bo.h"
28
29 void
core507d_update(struct nv50_core * core,u32 * interlock,bool ntfy)30 core507d_update(struct nv50_core *core, u32 *interlock, bool ntfy)
31 {
32 u32 *push;
33 if ((push = evo_wait(&core->chan, 5))) {
34 if (ntfy) {
35 evo_mthd(push, 0x0084, 1);
36 evo_data(push, 0x80000000 | NV50_DISP_CORE_NTFY);
37 }
38 evo_mthd(push, 0x0080, 2);
39 evo_data(push, interlock[NV50_DISP_INTERLOCK_BASE] |
40 interlock[NV50_DISP_INTERLOCK_OVLY]);
41 evo_data(push, 0x00000000);
42 evo_kick(push, &core->chan);
43 }
44 }
45
46 int
core507d_ntfy_wait_done(struct nouveau_bo * bo,u32 offset,struct nvif_device * device)47 core507d_ntfy_wait_done(struct nouveau_bo *bo, u32 offset,
48 struct nvif_device *device)
49 {
50 s64 time = nvif_msec(device, 2000ULL,
51 if (nouveau_bo_rd32(bo, offset / 4))
52 break;
53 usleep_range(1, 2);
54 );
55 return time < 0 ? time : 0;
56 }
57
58 void
core507d_ntfy_init(struct nouveau_bo * bo,u32 offset)59 core507d_ntfy_init(struct nouveau_bo *bo, u32 offset)
60 {
61 nouveau_bo_wr32(bo, offset / 4, 0x00000000);
62 }
63
64 void
core507d_init(struct nv50_core * core)65 core507d_init(struct nv50_core *core)
66 {
67 u32 *push;
68 if ((push = evo_wait(&core->chan, 2))) {
69 evo_mthd(push, 0x0088, 1);
70 evo_data(push, core->chan.sync.handle);
71 evo_kick(push, &core->chan);
72 }
73 }
74
75 static const struct nv50_core_func
76 core507d = {
77 .init = core507d_init,
78 .ntfy_init = core507d_ntfy_init,
79 .ntfy_wait_done = core507d_ntfy_wait_done,
80 .update = core507d_update,
81 .head = &head507d,
82 .dac = &dac507d,
83 .sor = &sor507d,
84 .pior = &pior507d,
85 };
86
87 int
core507d_new_(const struct nv50_core_func * func,struct nouveau_drm * drm,s32 oclass,struct nv50_core ** pcore)88 core507d_new_(const struct nv50_core_func *func, struct nouveau_drm *drm,
89 s32 oclass, struct nv50_core **pcore)
90 {
91 struct nv50_disp_core_channel_dma_v0 args = {};
92 struct nv50_disp *disp = nv50_disp(drm->dev);
93 struct nv50_core *core;
94 int ret;
95
96 if (!(core = *pcore = kzalloc(sizeof(*core), GFP_KERNEL)))
97 return -ENOMEM;
98 core->func = func;
99
100 ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
101 &oclass, 0, &args, sizeof(args),
102 disp->sync->bo.offset, &core->chan);
103 if (ret) {
104 NV_ERROR(drm, "core%04x allocation failed: %d\n", oclass, ret);
105 return ret;
106 }
107
108 return 0;
109 }
110
111 int
core507d_new(struct nouveau_drm * drm,s32 oclass,struct nv50_core ** pcore)112 core507d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
113 {
114 return core507d_new_(&core507d, drm, oclass, pcore);
115 }
116
