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 
33 int
corec37d_wndw_owner(struct nv50_core * core)34 corec37d_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 
51 int
corec37d_update(struct nv50_core * core,u32 * interlock,bool ntfy)52 corec37d_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 
81 int
corec37d_ntfy_wait_done(struct nouveau_bo * bo,u32 offset,struct nvif_device * device)82 corec37d_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 
93 void
corec37d_ntfy_init(struct nouveau_bo * bo,u32 offset)94 corec37d_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 
corec37d_caps_init(struct nouveau_drm * drm,struct nv50_disp * disp)103 int 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 
127 static int
corec37d_init(struct nv50_core * core)128 corec37d_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 
160 static const struct nv50_core_func
161 corec37d = {
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 
175 int
corec37d_new(struct nouveau_drm * drm,s32 oclass,struct nv50_core ** pcore)176 corec37d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
177 {
178 	return core507d_new_(&corec37d, drm, oclass, pcore);
179 }
180