drivers/staging/csr/unifi_os.h

   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
  93 static inline void unifi_dump(void *ospriv, int lvl, const char *msg, void *mem, u16 len) {}
  94 static inline void dump(void *mem, u16 len) {}
  95 static inline void dump16(void *mem, u16 len) {}
  96 #ifdef CSR_WIFI_HIP_DEBUG_OFFLINE
  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__ */