1 /* SPDX-License-Identifier: MIT */
2 
3 #ifndef __CRCC37D_H__
4 #define __CRCC37D_H__
5 
6 #include <linux/types.h>
7 
8 #include "crc.h"
9 
10 #define CRCC37D_MAX_ENTRIES 2047
11 #define CRCC37D_FLIP_THRESHOLD (CRCC37D_MAX_ENTRIES - 30)
12 
13 struct crcc37d_notifier {
14 	u32 status;
15 
16 	/* reserved */
17 	u32:32;
18 	u32:32;
19 	u32:32;
20 	u32:32;
21 	u32:32;
22 	u32:32;
23 	u32:32;
24 
25 	struct crcc37d_entry {
26 		u32 status[2];
27 		u32:32; /* reserved */
28 		u32 compositor_crc;
29 		u32 rg_crc;
30 		u32 output_crc[2];
31 		u32:32; /* reserved */
32 	} entries[CRCC37D_MAX_ENTRIES];
33 } __packed;
34 
35 int crcc37d_set_ctx(struct nv50_head *head, struct nv50_crc_notifier_ctx *ctx);
36 u32 crcc37d_get_entry(struct nv50_head *head, struct nv50_crc_notifier_ctx *ctx,
37 		      enum nv50_crc_source source, int idx);
38 bool crcc37d_ctx_finished(struct nv50_head *head, struct nv50_crc_notifier_ctx *ctx);
39 
40 #endif /* !__CRCC37D_H__ */
41