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 static void
28 corec37d_update(struct nv50_core *core, u32 *interlock, bool ntfy)
29 {
30 	u32 *push;
31 	if ((push = evo_wait(&core->chan, 9))) {
32 		if (ntfy) {
33 			evo_mthd(push, 0x020c, 1);
34 			evo_data(push, 0x00001000 | NV50_DISP_CORE_NTFY);
35 		}
36 
37 		evo_mthd(push, 0x0218, 2);
38 		evo_data(push, interlock[NV50_DISP_INTERLOCK_CURS]);
39 		evo_data(push, interlock[NV50_DISP_INTERLOCK_WNDW]);
40 		evo_mthd(push, 0x0200, 1);
41 		evo_data(push, 0x00000001);
42 
43 		if (ntfy) {
44 			evo_mthd(push, 0x020c, 1);
45 			evo_data(push, 0x00000000);
46 		}
47 		evo_kick(push, &core->chan);
48 	}
49 }
50 
51 int
52 corec37d_ntfy_wait_done(struct nouveau_bo *bo, u32 offset,
53 			struct nvif_device *device)
54 {
55 	u32 data;
56 	s64 time = nvif_msec(device, 2000ULL,
57 		data = nouveau_bo_rd32(bo, offset / 4 + 0);
58 		if ((data & 0xc0000000) == 0x80000000)
59 			break;
60 		usleep_range(1, 2);
61 	);
62 	return time < 0 ? time : 0;
63 }
64 
65 void
66 corec37d_ntfy_init(struct nouveau_bo *bo, u32 offset)
67 {
68 	nouveau_bo_wr32(bo, offset / 4 + 0, 0x00000000);
69 	nouveau_bo_wr32(bo, offset / 4 + 1, 0x00000000);
70 	nouveau_bo_wr32(bo, offset / 4 + 2, 0x00000000);
71 	nouveau_bo_wr32(bo, offset / 4 + 3, 0x00000000);
72 }
73 
74 void
75 corec37d_init(struct nv50_core *core)
76 {
77 	const u32 windows = 8; /*XXX*/
78 	u32 *push, i;
79 	if ((push = evo_wait(&core->chan, 2 + 6 * windows + 2))) {
80 		evo_mthd(push, 0x0208, 1);
81 		evo_data(push, core->chan.sync.handle);
82 		for (i = 0; i < windows; i++) {
83 			evo_mthd(push, 0x1000 + (i * 0x080), 3);
84 			evo_data(push, i >> 1);
85 			evo_data(push, 0x00000017);
86 			evo_data(push, 0x00000000);
87 			evo_mthd(push, 0x1010 + (i * 0x080), 1);
88 			evo_data(push, 0x00127fff);
89 		}
90 		evo_mthd(push, 0x0200, 1);
91 		evo_data(push, 0x00000001);
92 		evo_kick(push, &core->chan);
93 	}
94 }
95 
96 static const struct nv50_core_func
97 corec37d = {
98 	.init = corec37d_init,
99 	.ntfy_init = corec37d_ntfy_init,
100 	.ntfy_wait_done = corec37d_ntfy_wait_done,
101 	.update = corec37d_update,
102 	.head = &headc37d,
103 	.sor = &sorc37d,
104 };
105 
106 int
107 corec37d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
108 {
109 	return core507d_new_(&corec37d, drm, oclass, pcore);
110 }
111