drivers/gpu/host1x/debug.h

Source file repositories/reference/linux-study-clean/drivers/gpu/host1x/debug.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/host1x/debug.h
Extension
.h
Size
1023 bytes
Lines
46
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct output {
	void (*fn)(void *ctx, const char *str, size_t len, bool cont);
	void *ctx;
	char buf[256];
};

static inline void write_to_seqfile(void *ctx, const char *str, size_t len,
				    bool cont)
{
	seq_write((struct seq_file *)ctx, str, len);
}

static inline void write_to_printk(void *ctx, const char *str, size_t len,
				   bool cont)
{
	if (cont)
		pr_cont("%s", str);
	else
		pr_info("%s", str);
}

void __printf(2, 3) host1x_debug_output(struct output *o, const char *fmt, ...);
void __printf(2, 3) host1x_debug_cont(struct output *o, const char *fmt, ...);

extern unsigned int host1x_debug_trace_cmdbuf;

void host1x_debug_init(struct host1x *host1x);
void host1x_debug_deinit(struct host1x *host1x);
void host1x_debug_dump(struct host1x *host1x);

#endif

Annotation

Implementation Notes