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 #include <nvif/push507c.h>
27 #include <nvif/timer.h>
28
29 #include <nvhw/class/cl507d.h>
30
31 #include "nouveau_bo.h"
32
33 int
core507d_update(struct nv50_core * core,u32 * interlock,bool ntfy)34 core507d_update(struct nv50_core *core, u32 *interlock, bool ntfy)
35 {
36 struct nvif_push *push = core->chan.push;
37 int ret;
38
39 if ((ret = PUSH_WAIT(push, (ntfy ? 2 : 0) + 3)))
40 return ret;
41
42 if (ntfy) {
43 PUSH_MTHD(push, NV507D, SET_NOTIFIER_CONTROL,
44 NVDEF(NV507D, SET_NOTIFIER_CONTROL, MODE, WRITE) |
45 NVVAL(NV507D, SET_NOTIFIER_CONTROL, OFFSET, NV50_DISP_CORE_NTFY >> 2) |
46 NVDEF(NV507D, SET_NOTIFIER_CONTROL, NOTIFY, ENABLE));
47 }
48
49 PUSH_MTHD(push, NV507D, UPDATE, interlock[NV50_DISP_INTERLOCK_BASE] |
50 interlock[NV50_DISP_INTERLOCK_OVLY] |
51 NVDEF(NV507D, UPDATE, NOT_DRIVER_FRIENDLY, FALSE) |
52 NVDEF(NV507D, UPDATE, NOT_DRIVER_UNFRIENDLY, FALSE) |
53 NVDEF(NV507D, UPDATE, INHIBIT_INTERRUPTS, FALSE),
54
55 SET_NOTIFIER_CONTROL,
56 NVDEF(NV507D, SET_NOTIFIER_CONTROL, NOTIFY, DISABLE));
57
58 return PUSH_KICK(push);
59 }
60
61 int
core507d_ntfy_wait_done(struct nouveau_bo * bo,u32 offset,struct nvif_device * device)62 core507d_ntfy_wait_done(struct nouveau_bo *bo, u32 offset,
63 struct nvif_device *device)
64 {
65 s64 time = nvif_msec(device, 2000ULL,
66 if (NVBO_TD32(bo, offset, NV_DISP_CORE_NOTIFIER_1, COMPLETION_0, DONE, ==, TRUE))
67 break;
68 usleep_range(1, 2);
69 );
70 return time < 0 ? time : 0;
71 }
72
73 void
core507d_ntfy_init(struct nouveau_bo * bo,u32 offset)74 core507d_ntfy_init(struct nouveau_bo *bo, u32 offset)
75 {
76 NVBO_WR32(bo, offset, NV_DISP_CORE_NOTIFIER_1, COMPLETION_0,
77 NVDEF(NV_DISP_CORE_NOTIFIER_1, COMPLETION_0, DONE, FALSE));
78 }
79
80 int
core507d_read_caps(struct nv50_disp * disp)81 core507d_read_caps(struct nv50_disp *disp)
82 {
83 struct nvif_push *push = disp->core->chan.push;
84 int ret;
85
86 ret = PUSH_WAIT(push, 6);
87 if (ret)
88 return ret;
89
90 PUSH_MTHD(push, NV507D, SET_NOTIFIER_CONTROL,
91 NVDEF(NV507D, SET_NOTIFIER_CONTROL, MODE, WRITE) |
92 NVVAL(NV507D, SET_NOTIFIER_CONTROL, OFFSET, NV50_DISP_CORE_NTFY >> 2) |
93 NVDEF(NV507D, SET_NOTIFIER_CONTROL, NOTIFY, ENABLE));
94
95 PUSH_MTHD(push, NV507D, GET_CAPABILITIES, 0x00000000);
96
97 PUSH_MTHD(push, NV507D, SET_NOTIFIER_CONTROL,
98 NVDEF(NV507D, SET_NOTIFIER_CONTROL, NOTIFY, DISABLE));
99
100 return PUSH_KICK(push);
101 }
102
103 int
core507d_caps_init(struct nouveau_drm * drm,struct nv50_disp * disp)104 core507d_caps_init(struct nouveau_drm *drm, struct nv50_disp *disp)
105 {
106 struct nv50_core *core = disp->core;
107 struct nouveau_bo *bo = disp->sync;
108 s64 time;
109 int ret;
110
111 NVBO_WR32(bo, NV50_DISP_CORE_NTFY, NV_DISP_CORE_NOTIFIER_1, CAPABILITIES_1,
112 NVDEF(NV_DISP_CORE_NOTIFIER_1, CAPABILITIES_1, DONE, FALSE));
113
114 ret = core507d_read_caps(disp);
115 if (ret < 0)
116 return ret;
117
118 time = nvif_msec(core->chan.base.device, 2000ULL,
119 if (NVBO_TD32(bo, NV50_DISP_CORE_NTFY,
120 NV_DISP_CORE_NOTIFIER_1, CAPABILITIES_1, DONE, ==, TRUE))
121 break;
122 usleep_range(1, 2);
123 );
124 if (time < 0)
125 NV_ERROR(drm, "core caps notifier timeout\n");
126
127 return 0;
128 }
129
130 int
core507d_init(struct nv50_core * core)131 core507d_init(struct nv50_core *core)
132 {
133 struct nvif_push *push = core->chan.push;
134 int ret;
135
136 if ((ret = PUSH_WAIT(push, 2)))
137 return ret;
138
139 PUSH_MTHD(push, NV507D, SET_CONTEXT_DMA_NOTIFIER, core->chan.sync.handle);
140 return PUSH_KICK(push);
141 }
142
143 static const struct nv50_core_func
144 core507d = {
145 .init = core507d_init,
146 .ntfy_init = core507d_ntfy_init,
147 .caps_init = core507d_caps_init,
148 .ntfy_wait_done = core507d_ntfy_wait_done,
149 .update = core507d_update,
150 .head = &head507d,
151 .dac = &dac507d,
152 .sor = &sor507d,
153 .pior = &pior507d,
154 };
155
156 int
core507d_new_(const struct nv50_core_func * func,struct nouveau_drm * drm,s32 oclass,struct nv50_core ** pcore)157 core507d_new_(const struct nv50_core_func *func, struct nouveau_drm *drm,
158 s32 oclass, struct nv50_core **pcore)
159 {
160 struct nv50_disp_core_channel_dma_v0 args = {};
161 struct nv50_disp *disp = nv50_disp(drm->dev);
162 struct nv50_core *core;
163 int ret;
164
165 if (!(core = *pcore = kzalloc(sizeof(*core), GFP_KERNEL)))
166 return -ENOMEM;
167 core->func = func;
168
169 ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
170 &oclass, 0, &args, sizeof(args),
171 disp->sync->offset, &core->chan);
172 if (ret) {
173 NV_ERROR(drm, "core%04x allocation failed: %d\n", oclass, ret);
174 return ret;
175 }
176
177 return 0;
178 }
179
180 int
core507d_new(struct nouveau_drm * drm,s32 oclass,struct nv50_core ** pcore)181 core507d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
182 {
183 return core507d_new_(&core507d, drm, oclass, pcore);
184 }
185