xref: /openbmc/linux/drivers/gpu/host1x/debug.h (revision 6e29225a)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Tegra host1x Debug
4  *
5  * Copyright (c) 2011-2013 NVIDIA Corporation.
6  */
7 #ifndef __HOST1X_DEBUG_H
8 #define __HOST1X_DEBUG_H
9 
10 #include <linux/debugfs.h>
11 #include <linux/seq_file.h>
12 
13 struct host1x;
14 
15 struct output {
16 	void (*fn)(void *ctx, const char *str, size_t len, bool cont);
17 	void *ctx;
18 	char buf[256];
19 };
20 
21 static inline void write_to_seqfile(void *ctx, const char *str, size_t len,
22 				    bool cont)
23 {
24 	seq_write((struct seq_file *)ctx, str, len);
25 }
26 
27 static inline void write_to_printk(void *ctx, const char *str, size_t len,
28 				   bool cont)
29 {
30 	if (cont)
31 		pr_cont("%s", str);
32 	else
33 		pr_info("%s", str);
34 }
35 
36 void __printf(2, 3) host1x_debug_output(struct output *o, const char *fmt, ...);
37 void __printf(2, 3) host1x_debug_cont(struct output *o, const char *fmt, ...);
38 
39 extern unsigned int host1x_debug_trace_cmdbuf;
40 
41 void host1x_debug_init(struct host1x *host1x);
42 void host1x_debug_deinit(struct host1x *host1x);
43 void host1x_debug_dump(struct host1x *host1x);
44 void host1x_debug_dump_syncpts(struct host1x *host1x);
45 
46 #endif
47