#ifndef __PRINTK_H
#define __PRINTK_H

#include <linux/list.h>

#define MSG_EMERG      0    /* system is unusable */
#define MSG_ALERT      1    /* action must be taken immediately */
#define MSG_CRIT       2    /* critical conditions */
#define MSG_ERR        3    /* error conditions */
#define MSG_WARNING    4    /* warning conditions */
#define MSG_NOTICE     5    /* normal but significant condition */
#define MSG_INFO       6    /* informational */
#define MSG_DEBUG      7    /* debug-level messages */
#define MSG_VDEBUG     8    /* verbose debug messages */

#ifdef VERBOSE_DEBUG
#define LOGLEVEL	MSG_VDEBUG
#elif defined DEBUG
#define LOGLEVEL	MSG_DEBUG
#else
#define LOGLEVEL	CONFIG_COMPILE_LOGLEVEL
#endif

/* debugging and troubleshooting/diagnostic helpers. */
struct device_d;

#ifndef CONFIG_CONSOLE_NONE
int dev_printf(int level, const struct device_d *dev, const char *format, ...)
	__attribute__ ((format(__printf__, 3, 4)));
#else
static inline int dev_printf(int level, const struct device_d *dev, const char *format, ...)
{
	return 0;
}
#endif

#if (!defined(__PBL__) && !defined(CONFIG_CONSOLE_NONE)) || \
	(defined(__PBL__) && defined(CONFIG_PBL_CONSOLE))
int pr_print(int level, const char *format, ...)
	__attribute__ ((format(__printf__, 2, 3)));
#else
static int pr_print(int level, const char *format, ...)
	__attribute__ ((format(__printf__, 2, 3)));
static inline int pr_print(int level, const char *format, ...)
{
	return 0;
}
#endif

#define __dev_printf(level, dev, format, args...) \
	({	\
		(level) <= LOGLEVEL ? dev_printf((level), (dev), (format), ##args) : 0; \
	 })


#define dev_emerg(dev, format, arg...)		\
	__dev_printf(0, (dev) , format , ## arg)
#define dev_alert(dev, format, arg...)		\
	__dev_printf(1, (dev) , format , ## arg)
#define dev_crit(dev, format, arg...)		\
	__dev_printf(2, (dev) , format , ## arg)
#define dev_err(dev, format, arg...)		\
	__dev_printf(3, (dev) , format , ## arg)
#define dev_warn(dev, format, arg...)		\
	__dev_printf(4, (dev) , format , ## arg)
#define dev_notice(dev, format, arg...)		\
	__dev_printf(5, (dev) , format , ## arg)
#define dev_info(dev, format, arg...)		\
	__dev_printf(6, (dev) , format , ## arg)
#define dev_dbg(dev, format, arg...)		\
	__dev_printf(7, (dev) , format , ## arg)
#define dev_vdbg(dev, format, arg...)		\
	__dev_printf(8, (dev) , format , ## arg)

#define __pr_printk(level, format, args...) \
	({	\
		(level) <= LOGLEVEL ? pr_print((level), (format), ##args) : 0; \
	 })

#ifndef pr_fmt
#define pr_fmt(fmt) fmt
#endif

#define pr_emerg(fmt, arg...)	__pr_printk(0, pr_fmt(fmt), ##arg)
#define pr_alert(fmt, arg...)	__pr_printk(1, pr_fmt(fmt), ##arg)
#define pr_crit(fmt, arg...)	__pr_printk(2, pr_fmt(fmt), ##arg)
#define pr_err(fmt, arg...)	__pr_printk(3, pr_fmt(fmt), ##arg)
#define pr_warning(fmt, arg...)	__pr_printk(4, pr_fmt(fmt), ##arg)
#define pr_notice(fmt, arg...)	__pr_printk(5, pr_fmt(fmt), ##arg)
#define pr_info(fmt, arg...)	__pr_printk(6, pr_fmt(fmt), ##arg)
#define pr_debug(fmt, arg...)	__pr_printk(7, pr_fmt(fmt), ##arg)
#define debug(fmt, arg...)	__pr_printk(7, pr_fmt(fmt), ##arg)
#define pr_vdebug(fmt, arg...)	__pr_printk(8, pr_fmt(fmt), ##arg)
#define pr_cont(fmt, arg...)	__pr_printk(-1, fmt, ##arg)

#define printk_once(fmt, ...)					\
({								\
	static bool __print_once	;			\
								\
	if (!__print_once) {					\
		__print_once = true;				\
		printk(fmt, ##__VA_ARGS__);			\
	}							\
})

int memory_display(const void *addr, loff_t offs, unsigned nbytes, int size,
		   int swab);
int __pr_memory_display(int level, const void *addr, loff_t offs, unsigned nbytes,
			int size, int swab, const char *format, ...);

#define pr_memory_display(level, addr, offs, nbytes, size, swab) \
	({	\
		(level) <= LOGLEVEL ? __pr_memory_display((level), (addr), \
				(offs), (nbytes), (size), (swab), pr_fmt("")) : 0; \
	 })

#define DUMP_PREFIX_OFFSET 0
static inline void print_hex_dump(const char *level, const char *prefix_str,
		int prefix_type, int rowsize, int groupsize,
		const void *buf, size_t len, bool ascii)
{
	memory_display(buf, 0, len, groupsize, 0);
}

struct log_entry {
	struct list_head list;
	char *msg;
	void *dummy;
	uint64_t timestamp;
	int level;
};

extern struct list_head barebox_logbuf;

extern void log_clean(unsigned int limit);

#define BAREBOX_LOG_PRINT_TIME	(1 << 0)
#define BAREBOX_LOG_DIFF_TIME	(1 << 1)

void log_print(unsigned flags);

struct va_format {
	const char *fmt;
	va_list *va;
};

#endif