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/class.h>
26#include <nvif/pushc37b.h>
27#include <nvif/timer.h>
28
29#include <nvhw/class/clc37d.h>
30
31#include <nouveau_bo.h>
32
33int
34corec37d_wndw_owner(struct nv50_core *core)
35{
36 struct nvif_push *push = core->chan.push;
37 const u32 windows = 8; /*XXX*/
38 int ret, i;
39
40 if ((ret = PUSH_WAIT(push, windows * 2)))
41 return ret;
42
43 for (i = 0; i < windows; i++) {
44 PUSH_MTHD(push, NVC37D, WINDOW_SET_CONTROL(i),
45 NVDEF(NVC37D, WINDOW_SET_CONTROL, OWNER, HEAD(i >> 1)));
46 }
47
48 return 0;
49}
50
51int
52corec37d_update(struct nv50_core *core, u32 *interlock, bool ntfy)
53{
54 struct nvif_push *push = core->chan.push;
55 int ret;
56
57 if ((ret = PUSH_WAIT(push, (ntfy ? 2 * 2 : 0) + 5)))
58 return ret;
59
60 if (ntfy) {
61 PUSH_MTHD(push, NVC37D, SET_NOTIFIER_CONTROL,
62 NVDEF(NVC37D, SET_NOTIFIER_CONTROL, MODE, WRITE) |
63 NVVAL(NVC37D, SET_NOTIFIER_CONTROL, OFFSET, NV50_DISP_CORE_NTFY >> 4) |
64 NVDEF(NVC37D, SET_NOTIFIER_CONTROL, NOTIFY, ENABLE));
65 }
66
67 PUSH_MTHD(push, NVC37D, SET_INTERLOCK_FLAGS, interlock[NV50_DISP_INTERLOCK_CURS],
68 SET_WINDOW_INTERLOCK_FLAGS, interlock[NV50_DISP_INTERLOCK_WNDW]);
69 PUSH_MTHD(push, NVC37D, UPDATE, 0x00000001 |
70 NVDEF(NVC37D, UPDATE, SPECIAL_HANDLING, NONE) |
71 NVDEF(NVC37D, UPDATE, INHIBIT_INTERRUPTS, FALSE));
72
73 if (ntfy) {
74 PUSH_MTHD(push, NVC37D, SET_NOTIFIER_CONTROL,
75 NVDEF(NVC37D, SET_NOTIFIER_CONTROL, NOTIFY, DISABLE));
76 }
77
78 return PUSH_KICK(push);
79}
80
81int
82corec37d_ntfy_wait_done(struct nouveau_bo *bo, u32 offset,
83 struct nvif_device *device)
84{
85 s64 time = nvif_msec(device, 2000ULL,
86 if (NVBO_TD32(bo, offset, NV_DISP_NOTIFIER, _0, STATUS, ==, FINISHED))
87 break;
88 usleep_range(1, 2);
89 );
90 return time < 0 ? time : 0;
91}
92
93void
94corec37d_ntfy_init(struct nouveau_bo *bo, u32 offset)
95{
96 NVBO_WR32(bo, offset, NV_DISP_NOTIFIER, _0,
97 NVDEF(NV_DISP_NOTIFIER, _0, STATUS, NOT_BEGUN));
98 NVBO_WR32(bo, offset, NV_DISP_NOTIFIER, _1, 0);
99 NVBO_WR32(bo, offset, NV_DISP_NOTIFIER, _2, 0);
100 NVBO_WR32(bo, offset, NV_DISP_NOTIFIER, _3, 0);
101}
102
103int corec37d_caps_init(struct nouveau_drm *drm, struct nv50_disp *disp)
104{
105 int ret;
106
107 ret = nvif_object_ctor(&disp->disp->object, "dispCaps", 0,
108 GV100_DISP_CAPS, NULL, 0, &disp->caps);
109 if (ret) {
110 NV_ERROR(drm,
111 "Failed to init notifier caps region: %d\n",
112 ret);
113 return ret;
114 }
115
116 ret = nvif_object_map(&disp->caps, NULL, 0);
117 if (ret) {
118 NV_ERROR(drm,
119 "Failed to map notifier caps region: %d\n",
120 ret);
121 return ret;
122 }
123
124 return 0;
125}
126
127static int
128corec37d_init(struct nv50_core *core)
129{
130 struct nvif_push *push = core->chan.push;
131 const u32 windows = 8; /*XXX*/
132 int ret, i;
133
134 if ((ret = PUSH_WAIT(push, 2 + windows * 5)))
135 return ret;
136
137 PUSH_MTHD(push, NVC37D, SET_CONTEXT_DMA_NOTIFIER, core->chan.sync.handle);
138
139 for (i = 0; i < windows; i++) {
140 PUSH_MTHD(push, NVC37D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS(i),
141 NVDEF(NVC37D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS, RGB_PACKED1BPP, TRUE) |
142 NVDEF(NVC37D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS, RGB_PACKED2BPP, TRUE) |
143 NVDEF(NVC37D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS, RGB_PACKED4BPP, TRUE) |
144 NVDEF(NVC37D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS, RGB_PACKED8BPP, TRUE) |
145 NVDEF(NVC37D, WINDOW_SET_WINDOW_FORMAT_USAGE_BOUNDS, YUV_PACKED422, TRUE),
146
147 WINDOW_SET_WINDOW_ROTATED_FORMAT_USAGE_BOUNDS(i), 0x00000000);
148
149 PUSH_MTHD(push, NVC37D, WINDOW_SET_WINDOW_USAGE_BOUNDS(i),
150 NVVAL(NVC37D, WINDOW_SET_WINDOW_USAGE_BOUNDS, MAX_PIXELS_FETCHED_PER_LINE, 0x7fff) |
151 NVDEF(NVC37D, WINDOW_SET_WINDOW_USAGE_BOUNDS, INPUT_LUT, USAGE_1025) |
152 NVDEF(NVC37D, WINDOW_SET_WINDOW_USAGE_BOUNDS, INPUT_SCALER_TAPS, TAPS_2) |
153 NVDEF(NVC37D, WINDOW_SET_WINDOW_USAGE_BOUNDS, UPSCALING_ALLOWED, FALSE));
154 }
155
156 core->assign_windows = true;
157 return PUSH_KICK(push);
158}
159
160static const struct nv50_core_func
161corec37d = {
162 .init = corec37d_init,
163 .ntfy_init = corec37d_ntfy_init,
164 .caps_init = corec37d_caps_init,
165 .ntfy_wait_done = corec37d_ntfy_wait_done,
166 .update = corec37d_update,
167 .wndw.owner = corec37d_wndw_owner,
168 .head = &headc37d,
169 .sor = &sorc37d,
170#if IS_ENABLED(CONFIG_DEBUG_FS)
171 .crc = &crcc37d,
172#endif
173};
174
175int
176corec37d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
177{
178 return core507d_new_(&corec37d, drm, oclass, pcore);
179}
180

source code of linux/drivers/gpu/drm/nouveau/dispnv50/corec37d.c