drivers/staging/csr/unifi_dbg.c

   1 /*
   2  * ***************************************************************************
   3  *  FILE:     unifi_dbg.c
   4  *
   5  *  PURPOSE:
   6  *      Handle debug signals received from UniFi.
   7  *
   8  * Copyright (C) 2007-2008 by Cambridge Silicon Radio Ltd.
   9  *
  10  * Refer to LICENSE.txt included with this source code for details on
  11  * the license terms.
  12  *
  13  * ***************************************************************************
  14  */
  15 #include "unifi_priv.h"
  16
  17 /*
  18  * ---------------------------------------------------------------------------
  19  *  debug_string_indication
  20  *  debug_word16_indication
  21  *
  22  *      Handlers for debug indications.
  23  *
  24  *  Arguments:
  25  *      priv            Pointer to private context structure.
  26  *
  27  *  Returns:
  28  *      None.
  29  * ---------------------------------------------------------------------------
  30  */
  31 void
  32 debug_string_indication(unifi_priv_t *priv, const unsigned char *extra, unsigned int extralen)
  33 {
  34     const unsigned int maxlen = sizeof(priv->last_debug_string) - 1;
  35
  36     if (extralen > maxlen) {
  37         extralen = maxlen;
  38     }
  39
  40     strncpy(priv->last_debug_string, extra, extralen);
  41
  42     /* Make sure the string is terminated */
  43     priv->last_debug_string[extralen] = '\0';
  44
  45     unifi_info(priv, "unifi debug: %s\n", priv->last_debug_string);
  46
  47 } /* debug_string_indication() */
  48
  49
  50
  51 void
  52 debug_word16_indication(unifi_priv_t *priv, const CSR_SIGNAL *sigptr)
  53 {
  54     int i;
  55
  56     if (priv == NULL) {
  57         unifi_info(priv, "Priv is NULL\n");
  58         return;
  59     }
  60
  61     for (i = 0; i < 16; i++) {
  62         priv->last_debug_word16[i] =
  63                 sigptr->u.DebugWord16Indication.DebugWords[i];
  64     }
  65
  66     if (priv->last_debug_word16[0] == 0xFA11) {
  67         unsigned long ts;
  68         ts = (priv->last_debug_word16[6] << 16) | priv->last_debug_word16[5];
  69         unifi_info(priv, " %10lu: %s fault %04x, arg %04x (x%d)\n",
  70                    ts,
  71                    priv->last_debug_word16[3] == 0x8000 ? "MAC" :
  72                    priv->last_debug_word16[3] == 0x4000 ? "PHY" :
  73                    "???",
  74                    priv->last_debug_word16[1],
  75                    priv->last_debug_word16[2],
  76                    priv->last_debug_word16[4]);
  77     }
  78     else if (priv->last_debug_word16[0] != 0xDBAC)
  79         /* suppress SDL Trace output (note: still available to unicli). */
  80     {
  81         unifi_info(priv, "unifi debug: %04X %04X %04X %04X %04X %04X %04X %04X\n",
  82                    priv->last_debug_word16[0], priv->last_debug_word16[1],
  83                    priv->last_debug_word16[2], priv->last_debug_word16[3],
  84                    priv->last_debug_word16[4], priv->last_debug_word16[5],
  85                    priv->last_debug_word16[6], priv->last_debug_word16[7]);
  86         unifi_info(priv, "             %04X %04X %04X %04X %04X %04X %04X %04X\n",
  87                    priv->last_debug_word16[8], priv->last_debug_word16[9],
  88                    priv->last_debug_word16[10], priv->last_debug_word16[11],
  89                    priv->last_debug_word16[12], priv->last_debug_word16[13],
  90                    priv->last_debug_word16[14], priv->last_debug_word16[15]);
  91     }
  92
  93 } /* debug_word16_indication() */
  94
  95
  96 void
  97 debug_generic_indication(unifi_priv_t *priv, const CSR_SIGNAL *sigptr)
  98 {
  99     unifi_info(priv, "debug: %04X %04X %04X %04X %04X %04X %04X %04X\n",
 100                sigptr->u.DebugGenericIndication.DebugWords[0],
 101                sigptr->u.DebugGenericIndication.DebugWords[1],
 102                sigptr->u.DebugGenericIndication.DebugWords[2],
 103                sigptr->u.DebugGenericIndication.DebugWords[3],
 104                sigptr->u.DebugGenericIndication.DebugWords[4],
 105                sigptr->u.DebugGenericIndication.DebugWords[5],
 106                sigptr->u.DebugGenericIndication.DebugWords[6],
 107                sigptr->u.DebugGenericIndication.DebugWords[7]);
 108
 109 } /* debug_generic_indication() */
 110