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/push507c.h>
26 #include <nvif/timer.h>
27
28 #include <nvhw/class/cl907d.h>
29
30 #include "nouveau_bo.h"
31
32 int
core907d_caps_init(struct nouveau_drm * drm,struct nv50_disp * disp)33 core907d_caps_init(struct nouveau_drm *drm, struct nv50_disp *disp)
34 {
35 struct nv50_core *core = disp->core;
36 struct nouveau_bo *bo = disp->sync;
37 s64 time;
38 int ret;
39
40 NVBO_WR32(bo, NV50_DISP_CORE_NTFY, NV907D_CORE_NOTIFIER_3, CAPABILITIES_4,
41 NVDEF(NV907D_CORE_NOTIFIER_3, CAPABILITIES_4, DONE, FALSE));
42
43 ret = core507d_read_caps(disp);
44 if (ret < 0)
45 return ret;
46
47 time = nvif_msec(core->chan.base.device, 2000ULL,
48 if (NVBO_TD32(bo, NV50_DISP_CORE_NTFY,
49 NV907D_CORE_NOTIFIER_3, CAPABILITIES_4, DONE, ==, TRUE))
50 break;
51 usleep_range(1, 2);
52 );
53 if (time < 0)
54 NV_ERROR(drm, "core caps notifier timeout\n");
55
56 return 0;
57 }
58
59 static const struct nv50_core_func
60 core907d = {
61 .init = core507d_init,
62 .ntfy_init = core507d_ntfy_init,
63 .caps_init = core907d_caps_init,
64 .ntfy_wait_done = core507d_ntfy_wait_done,
65 .update = core507d_update,
66 .head = &head907d,
67 #if IS_ENABLED(CONFIG_DEBUG_FS)
68 .crc = &crc907d,
69 #endif
70 .dac = &dac907d,
71 .sor = &sor907d,
72 };
73
74 int
core907d_new(struct nouveau_drm * drm,s32 oclass,struct nv50_core ** pcore)75 core907d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
76 {
77 return core507d_new_(&core907d, drm, oclass, pcore);
78 }
79