Pileus Git - ~andy/linux/blob - drivers/staging/csr/csr_wifi_hip_unifi_udi.h

   1 /*****************************************************************************
   2
   3             (c) Cambridge Silicon Radio Limited 2011
   4             All rights reserved and confidential information of CSR
   5
   6             Refer to LICENSE.txt included with this source for details
   7             on the license terms.
   8
   9 *****************************************************************************/
  10
  11 /*
  12  * ---------------------------------------------------------------------------
  13  *  FILE:     csr_wifi_hip_unifi_udi.h
  14  *
  15  *  PURPOSE:
  16  *      Declarations and definitions for the UniFi Debug Interface.
  17  *
  18  * ---------------------------------------------------------------------------
  19  */
  20 #ifndef __CSR_WIFI_HIP_UNIFI_UDI_H__
  21 #define __CSR_WIFI_HIP_UNIFI_UDI_H__
  22
  23 #include "csr_wifi_hip_unifi.h"
  24 #include "csr_wifi_hip_signals.h"
  25
  26
  27 /*
  28  * Support for tracing the wire protocol.
  29  */
  30 enum udi_log_direction
  31 {
  32     UDI_LOG_FROM_HOST   = 0x0000,
  33     UDI_LOG_TO_HOST     = 0x0001
  34 };
  35
  36 typedef void (*udi_func_t)(void *ospriv, u8 *sigdata,
  37                            u32 signal_len,
  38                            const bulk_data_param_t *bulkdata,
  39                            enum udi_log_direction dir);
  40
  41 CsrResult unifi_set_udi_hook(card_t *card, udi_func_t udi_fn);
  42 CsrResult unifi_remove_udi_hook(card_t *card, udi_func_t udi_fn);
  43
  44
  45 /*
  46  * Function to print current status info to a string.
  47  * This is used in the linux /proc interface and might be useful
  48  * in other systems.
  49  */
  50 s32 unifi_print_status(card_t *card, char *str, s32 *remain);
  51
  52 #define UNIFI_SNPRINTF_RET(buf_p, remain, written)                  \
  53     do {                                                            \
  54         if (written >= remain) {                                    \
  55             if (remain >= 2) {                                      \
  56                 buf_p[remain - 2] = '\n';                           \
  57                 buf_p[remain - 1] = 0;                              \
  58             }                                                       \
  59             buf_p += remain;                                        \
  60             remain = 0;                                             \
  61         } else if (written > 0) {                                   \
  62             buf_p += written;                                       \
  63             remain -= written;                                      \
  64         }                                                           \
  65     } while (0)
  66
  67 #endif /* __CSR_WIFI_HIP_UNIFI_UDI_H__ */