1  /* SPDX-License-Identifier: GPL-2.0 */
2  /*
3   * Support for Intel Camera Imaging ISP subsystem.
4   * Copyright (c) 2015, Intel Corporation.
5   *
6   * This program is free software; you can redistribute it and/or modify it
7   * under the terms and conditions of the GNU General Public License,
8   * version 2, as published by the Free Software Foundation.
9   *
10   * This program is distributed in the hope it will be useful, but WITHOUT
11   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13   * more details.
14   */
15  
16  #ifndef __PRINT_SUPPORT_H_INCLUDED__
17  #define __PRINT_SUPPORT_H_INCLUDED__
18  
19  #include <linux/stdarg.h>
20  
21  extern int (*sh_css_printf)(const char *fmt, va_list args);
22  /* depends on host supplied print function in ia_css_init() */
ia_css_print(const char * fmt,...)23  static inline  __printf(1, 2) void ia_css_print(const char *fmt, ...)
24  {
25  	va_list ap;
26  
27  	if (sh_css_printf) {
28  		va_start(ap, fmt);
29  		sh_css_printf(fmt, ap);
30  		va_end(ap);
31  	}
32  }
33  
34  /* Start adding support for bxt tracing functions for poc. From
35   * bxt_sandbox/support/print_support.h. */
36  /* TODO: support these macros in userspace. */
37  #define PWARN(format, ...) ia_css_print("warning: ", ##__VA_ARGS__)
38  #define PRINT(format, ...) ia_css_print(format, ##__VA_ARGS__)
39  #define PERROR(format, ...) ia_css_print("error: " format, ##__VA_ARGS__)
40  #define PDEBUG(format, ...) ia_css_print("debug: " format, ##__VA_ARGS__)
41  
42  #endif /* __PRINT_SUPPORT_H_INCLUDED__ */
43