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1 /*
2  * ---------------------------------------------------------------------------
3  *
4  * FILE: os_linux/unifi_os.h
5  *
6  * PURPOSE:
7  *      This header file provides the OS-dependent facilities for a linux
8  *      environment.
9  *
10  * Copyright (C) 2005-2008 by Cambridge Silicon Radio Ltd.
11  *
12  * Refer to LICENSE.txt included with this source code for details on
13  * the license terms.
14  *
15  * ---------------------------------------------------------------------------
16  */
17 #ifndef __UNIFI_OS_LINUX_H__
18 #define __UNIFI_OS_LINUX_H__ 1
19 
20 #include <linux/kernel.h>
21 #include <linux/time.h>
22 #include <linux/list.h>
23 #include <linux/delay.h>
24 #include <linux/string.h>
25 
26 /*
27  * Needed for core/signals.c
28  */
29 #include <stddef.h>
30 
31 
32 /* Define INLINE directive*/
33 #define INLINE      inline
34 
35 /* Malloc and free */
36 CsrResult unifi_net_data_malloc(void *ospriv, bulk_data_desc_t *bulk_data_slot, unsigned int size);
37 void unifi_net_data_free(void *ospriv, bulk_data_desc_t *bulk_data_slot);
38 #define CSR_WIFI_ALIGN_BYTES    4
39 CsrResult unifi_net_dma_align(void *ospriv, bulk_data_desc_t *bulk_data_slot);
40 
41 /*
42  * Byte Order
43  * Note that __le*_to_cpu and __cpu_to_le* return an unsigned value!
44  */
45 #ifdef __KERNEL__
46 #define unifi2host_16(n)	(__le16_to_cpu((n)))
47 #define unifi2host_32(n)	(__le32_to_cpu((n)))
48 #define host2unifi_16(n)	(__cpu_to_le16((n)))
49 #define host2unifi_32(n)	(__cpu_to_le32((n)))
50 #endif
51 
52 /* Module parameters */
53 extern int unifi_debug;
54 
55 /* debugging */
56 #ifdef UNIFI_DEBUG
57 /*
58  * unifi_debug is a verbosity level for debug messages
59  * UDBG0 msgs are always printed if UNIFI_DEBUG is defined
60  * UDBG1 msgs are printed if UNIFI_DEBUG is defined and unifi_debug > 0
61  * etc.
62  */
63 
64 #define ASSERT(cond)                                            \
65     do {                                                            \
66         if (!(cond)) {                                              \
67             printk("Assertion failed in %s at %s:%d: %s\n",         \
68                     __FUNCTION__, __FILE__, __LINE__, #cond);        \
69         }                                                           \
70     } while (0)
71 
72 
73 void unifi_dump(void *ospriv, int lvl, const char *msg, void *mem, u16 len);
74 void dump(void *mem, u16 len);
75 void dump16(void *mem, u16 len);
76 #ifdef CSR_WIFI_HIP_DEBUG_OFFLINE
77 void dump_str(void *mem, u16 len);
78 #endif /* CSR_WIFI_HIP_DEBUG_OFFLINE */
79 
80 void unifi_error(void* ospriv, const char *fmt, ...);
81 void unifi_warning(void* ospriv, const char *fmt, ...);
82 void unifi_notice(void* ospriv, const char *fmt, ...);
83 void unifi_info(void* ospriv, const char *fmt, ...);
84 
85 void unifi_trace(void* ospriv, int level, const char *fmt, ...);
86 
87 #else
88 
89 /* Stubs */
90 
91 #define ASSERT(cond)
92 
unifi_dump(void * ospriv,int lvl,const char * msg,void * mem,u16 len)93 static inline void unifi_dump(void *ospriv, int lvl, const char *msg, void *mem, u16 len) {}
dump(void * mem,u16 len)94 static inline void dump(void *mem, u16 len) {}
dump16(void * mem,u16 len)95 static inline void dump16(void *mem, u16 len) {}
96 #ifdef CSR_WIFI_HIP_DEBUG_OFFLINE
dump_str(void * mem,u16 len)97 static inline void dump_str(void *mem, u16 len) {}
98 #endif /* CSR_WIFI_HIP_DEBUG_OFFLINE */
99 
100 void unifi_error_nop(void* ospriv, const char *fmt, ...);
101 void unifi_trace_nop(void* ospriv, int level, const char *fmt, ...);
102 #define unifi_error if(1);else unifi_error_nop
103 #define unifi_warning if(1);else unifi_error_nop
104 #define unifi_notice if(1);else unifi_error_nop
105 #define unifi_info if(1);else unifi_error_nop
106 #define unifi_trace if(1);else unifi_trace_nop
107 
108 #endif /* UNIFI_DEBUG */
109 
110 
111 /* Different levels of diagnostic detail... */
112 #define UDBG0       0   /* always prints in debug build */
113 #define UDBG1       1
114 #define UDBG2       2
115 #define UDBG3       3
116 #define UDBG4       4
117 #define UDBG5       5
118 #define UDBG6       6
119 #define UDBG7       7
120 
121 
122 #endif /* __UNIFI_OS_LINUX_H__ */
123