xref: /openbmc/linux/drivers/gpu/drm/nouveau/dispnv50/crcc57d.c (revision 03ab8e6297acd1bc0eedaa050e2a1635c576fd11)
1*57cbdbe6SLyude Paul // SPDX-License-Identifier: MIT
2*57cbdbe6SLyude Paul 
3*57cbdbe6SLyude Paul #include "crc.h"
4*57cbdbe6SLyude Paul #include "crcc37d.h"
5*57cbdbe6SLyude Paul #include "core.h"
6*57cbdbe6SLyude Paul #include "disp.h"
7*57cbdbe6SLyude Paul #include "head.h"
8*57cbdbe6SLyude Paul 
9*57cbdbe6SLyude Paul #include <nvif/pushc37b.h>
10*57cbdbe6SLyude Paul 
11*57cbdbe6SLyude Paul #include <nvhw/class/clc57d.h>
12*57cbdbe6SLyude Paul 
crcc57d_set_src(struct nv50_head * head,int or,enum nv50_crc_source_type source,struct nv50_crc_notifier_ctx * ctx)13*57cbdbe6SLyude Paul static int crcc57d_set_src(struct nv50_head *head, int or, enum nv50_crc_source_type source,
14*57cbdbe6SLyude Paul 			   struct nv50_crc_notifier_ctx *ctx)
15*57cbdbe6SLyude Paul {
16*57cbdbe6SLyude Paul 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
17*57cbdbe6SLyude Paul 	const int i = head->base.index;
18*57cbdbe6SLyude Paul 	u32 crc_args = NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, CONTROLLING_CHANNEL, CORE) |
19*57cbdbe6SLyude Paul 		       NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, EXPECT_BUFFER_COLLAPSE, FALSE) |
20*57cbdbe6SLyude Paul 		       NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, SECONDARY_CRC, NONE) |
21*57cbdbe6SLyude Paul 		       NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, CRC_DURING_SNOOZE, DISABLE);
22*57cbdbe6SLyude Paul 	int ret;
23*57cbdbe6SLyude Paul 
24*57cbdbe6SLyude Paul 	switch (source) {
25*57cbdbe6SLyude Paul 	case NV50_CRC_SOURCE_TYPE_SOR:
26*57cbdbe6SLyude Paul 		crc_args |= NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, PRIMARY_CRC, SOR(or));
27*57cbdbe6SLyude Paul 		break;
28*57cbdbe6SLyude Paul 	case NV50_CRC_SOURCE_TYPE_SF:
29*57cbdbe6SLyude Paul 		crc_args |= NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, PRIMARY_CRC, SF);
30*57cbdbe6SLyude Paul 		break;
31*57cbdbe6SLyude Paul 	default:
32*57cbdbe6SLyude Paul 		break;
33*57cbdbe6SLyude Paul 	}
34*57cbdbe6SLyude Paul 
35*57cbdbe6SLyude Paul 	ret = PUSH_WAIT(push, 4);
36*57cbdbe6SLyude Paul 	if (ret)
37*57cbdbe6SLyude Paul 		return ret;
38*57cbdbe6SLyude Paul 
39*57cbdbe6SLyude Paul 	if (source) {
40*57cbdbe6SLyude Paul 		PUSH_MTHD(push, NVC57D, HEAD_SET_CONTEXT_DMA_CRC(i), ctx->ntfy.handle);
41*57cbdbe6SLyude Paul 		PUSH_MTHD(push, NVC57D, HEAD_SET_CRC_CONTROL(i), crc_args);
42*57cbdbe6SLyude Paul 	} else {
43*57cbdbe6SLyude Paul 		PUSH_MTHD(push, NVC57D, HEAD_SET_CRC_CONTROL(i), 0);
44*57cbdbe6SLyude Paul 		PUSH_MTHD(push, NVC57D, HEAD_SET_CONTEXT_DMA_CRC(i), 0);
45*57cbdbe6SLyude Paul 	}
46*57cbdbe6SLyude Paul 
47*57cbdbe6SLyude Paul 	return 0;
48*57cbdbe6SLyude Paul }
49*57cbdbe6SLyude Paul 
50*57cbdbe6SLyude Paul const struct nv50_crc_func crcc57d = {
51*57cbdbe6SLyude Paul 	.set_src = crcc57d_set_src,
52*57cbdbe6SLyude Paul 	.set_ctx = crcc37d_set_ctx,
53*57cbdbe6SLyude Paul 	.get_entry = crcc37d_get_entry,
54*57cbdbe6SLyude Paul 	.ctx_finished = crcc37d_ctx_finished,
55*57cbdbe6SLyude Paul 	.flip_threshold = CRCC37D_FLIP_THRESHOLD,
56*57cbdbe6SLyude Paul 	.num_entries = CRCC37D_MAX_ENTRIES,
57*57cbdbe6SLyude Paul 	.notifier_len = sizeof(struct crcc37d_notifier),
58*57cbdbe6SLyude Paul };
59