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 <nouveau_bo.h>
26 
27 void
28 corec37d_wndw_owner(struct nv50_core *core)
29 {
30 	const u32 windows = 8; /*XXX*/
31 	u32 *push, i;
32 	if ((push = evo_wait(&core->chan, 2 * windows))) {
33 		for (i = 0; i < windows; i++) {
34 			evo_mthd(push, 0x1000 + (i * 0x080), 1);
35 			evo_data(push, i >> 1);
36 		}
37 		evo_kick(push, &core->chan);
38 	}
39 }
40 
41 void
42 corec37d_update(struct nv50_core *core, u32 *interlock, bool ntfy)
43 {
44 	u32 *push;
45 	if ((push = evo_wait(&core->chan, 9))) {
46 		if (ntfy) {
47 			evo_mthd(push, 0x020c, 1);
48 			evo_data(push, 0x00001000 | NV50_DISP_CORE_NTFY);
49 		}
50 
51 		evo_mthd(push, 0x0218, 2);
52 		evo_data(push, interlock[NV50_DISP_INTERLOCK_CURS]);
53 		evo_data(push, interlock[NV50_DISP_INTERLOCK_WNDW]);
54 		evo_mthd(push, 0x0200, 1);
55 		evo_data(push, 0x00000001);
56 
57 		if (ntfy) {
58 			evo_mthd(push, 0x020c, 1);
59 			evo_data(push, 0x00000000);
60 		}
61 		evo_kick(push, &core->chan);
62 	}
63 }
64 
65 int
66 corec37d_ntfy_wait_done(struct nouveau_bo *bo, u32 offset,
67 			struct nvif_device *device)
68 {
69 	u32 data;
70 	s64 time = nvif_msec(device, 2000ULL,
71 		data = nouveau_bo_rd32(bo, offset / 4 + 0);
72 		if ((data & 0xc0000000) == 0x80000000)
73 			break;
74 		usleep_range(1, 2);
75 	);
76 	return time < 0 ? time : 0;
77 }
78 
79 void
80 corec37d_ntfy_init(struct nouveau_bo *bo, u32 offset)
81 {
82 	nouveau_bo_wr32(bo, offset / 4 + 0, 0x00000000);
83 	nouveau_bo_wr32(bo, offset / 4 + 1, 0x00000000);
84 	nouveau_bo_wr32(bo, offset / 4 + 2, 0x00000000);
85 	nouveau_bo_wr32(bo, offset / 4 + 3, 0x00000000);
86 }
87 
88 static void
89 corec37d_init(struct nv50_core *core)
90 {
91 	const u32 windows = 8; /*XXX*/
92 	u32 *push, i;
93 	if ((push = evo_wait(&core->chan, 2 + 5 * windows))) {
94 		evo_mthd(push, 0x0208, 1);
95 		evo_data(push, core->chan.sync.handle);
96 		for (i = 0; i < windows; i++) {
97 			evo_mthd(push, 0x1004 + (i * 0x080), 2);
98 			evo_data(push, 0x0000001f);
99 			evo_data(push, 0x00000000);
100 			evo_mthd(push, 0x1010 + (i * 0x080), 1);
101 			evo_data(push, 0x00127fff);
102 		}
103 		evo_kick(push, &core->chan);
104 		core->assign_windows = true;
105 	}
106 }
107 
108 static const struct nv50_core_func
109 corec37d = {
110 	.init = corec37d_init,
111 	.ntfy_init = corec37d_ntfy_init,
112 	.ntfy_wait_done = corec37d_ntfy_wait_done,
113 	.update = corec37d_update,
114 	.wndw.owner = corec37d_wndw_owner,
115 	.head = &headc37d,
116 	.sor = &sorc37d,
117 };
118 
119 int
120 corec37d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
121 {
122 	return core507d_new_(&corec37d, drm, oclass, pcore);
123 }
124