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debug.h
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1 /*
2  * drivers/net/ethernet/ibm/emac/debug.h
3  *
4  * Driver for PowerPC 4xx on-chip ethernet controller, debug print routines.
5  *
6  * Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
8  *
9  * Based on the arch/ppc version of the driver:
10  *
11  * Copyright (c) 2004, 2005 Zultys Technologies
12  * Eugene Surovegin <[email protected]> or <[email protected]>
13  *
14  * This program is free software; you can redistribute it and/or modify it
15  * under the terms of the GNU General Public License as published by the
16  * Free Software Foundation; either version 2 of the License, or (at your
17  * option) any later version.
18  *
19  */
20 #ifndef __IBM_NEWEMAC_DEBUG_H
21 #define __IBM_NEWEMAC_DEBUG_H
22 
23 #include <linux/init.h>
24 
25 #include "core.h"
26 
27 #if defined(CONFIG_IBM_EMAC_DEBUG)
28 
29 struct emac_instance;
30 struct mal_instance;
31 
32 extern void emac_dbg_register(struct emac_instance *dev);
33 extern void emac_dbg_unregister(struct emac_instance *dev);
34 extern void mal_dbg_register(struct mal_instance *mal);
35 extern void mal_dbg_unregister(struct mal_instance *mal);
36 extern int emac_init_debug(void) __init;
37 extern void emac_fini_debug(void) __exit;
38 extern void emac_dbg_dump_all(void);
39 
40 # define DBG_LEVEL 1
41 
42 #else
43 
44 # define emac_dbg_register(x) do { } while(0)
45 # define emac_dbg_unregister(x) do { } while(0)
46 # define mal_dbg_register(x) do { } while(0)
47 # define mal_dbg_unregister(x) do { } while(0)
48 # define emac_init_debug() do { } while(0)
49 # define emac_fini_debug() do { } while(0)
50 # define emac_dbg_dump_all() do { } while(0)
51 
52 # define DBG_LEVEL 0
53 
54 #endif
55 
56 #define EMAC_DBG(d, name, fmt, arg...) \
57  printk(KERN_DEBUG #name "%s: " fmt, d->ofdev->dev.of_node->full_name, ## arg)
58 
59 #if DBG_LEVEL > 0
60 # define DBG(d,f,x...) EMAC_DBG(d, emac, f, ##x)
61 # define MAL_DBG(d,f,x...) EMAC_DBG(d, mal, f, ##x)
62 # define ZMII_DBG(d,f,x...) EMAC_DBG(d, zmii, f, ##x)
63 # define RGMII_DBG(d,f,x...) EMAC_DBG(d, rgmii, f, ##x)
64 # define NL "\n"
65 #else
66 # define DBG(f,x...) ((void)0)
67 # define MAL_DBG(d,f,x...) ((void)0)
68 # define ZMII_DBG(d,f,x...) ((void)0)
69 # define RGMII_DBG(d,f,x...) ((void)0)
70 #endif
71 #if DBG_LEVEL > 1
72 # define DBG2(d,f,x...) DBG(d,f, ##x)
73 # define MAL_DBG2(d,f,x...) MAL_DBG(d,f, ##x)
74 # define ZMII_DBG2(d,f,x...) ZMII_DBG(d,f, ##x)
75 # define RGMII_DBG2(d,f,x...) RGMII_DBG(d,f, ##x)
76 #else
77 # define DBG2(f,x...) ((void)0)
78 # define MAL_DBG2(d,f,x...) ((void)0)
79 # define ZMII_DBG2(d,f,x...) ((void)0)
80 # define RGMII_DBG2(d,f,x...) ((void)0)
81 #endif
82 
83 #endif /* __IBM_NEWEMAC_DEBUG_H */