drivers/staging/csr/unifi_dbg.c

/*
 * ***************************************************************************
 *  FILE:     unifi_dbg.c
 *
 *  PURPOSE:
 *      Handle debug signals received from UniFi.
 *
 * Copyright (C) 2007-2008 by Cambridge Silicon Radio Ltd.
 *
 * Refer to LICENSE.txt included with this source code for details on
 * the license terms.
 *
 * ***************************************************************************
 */
#include "unifi_priv.h"

/*
 * ---------------------------------------------------------------------------
 *  debug_string_indication
 *  debug_word16_indication
 *
 *      Handlers for debug indications.
 *
 *  Arguments:
 *      priv            Pointer to private context structure.
 *
 *  Returns:
 *      None.
 * ---------------------------------------------------------------------------
 */
void
debug_string_indication(unifi_priv_t *priv, const unsigned char *extra, unsigned int extralen)
{
    const unsigned int maxlen = sizeof(priv->last_debug_string) - 1;

    if (extralen > maxlen) {
        extralen = maxlen;
    }

    strncpy(priv->last_debug_string, extra, extralen);

    /* Make sure the string is terminated */
    priv->last_debug_string[extralen] = '\0';

    unifi_info(priv, "unifi debug: %s\n", priv->last_debug_string);

} /* debug_string_indication() */



void
debug_word16_indication(unifi_priv_t *priv, const CSR_SIGNAL *sigptr)
{
    int i;

    if (priv == NULL) {
        unifi_info(priv, "Priv is NULL\n");
        return;
    }

    for (i = 0; i < 16; i++) {
        priv->last_debug_word16[i] =
                sigptr->u.DebugWord16Indication.DebugWords[i];
    }

    if (priv->last_debug_word16[0] == 0xFA11) {
        unsigned long ts;
        ts = (priv->last_debug_word16[6] << 16) | priv->last_debug_word16[5];
        unifi_info(priv, " %10lu: %s fault %04x, arg %04x (x%d)\n",
                   ts,
                   priv->last_debug_word16[3] == 0x8000 ? "MAC" :
                   priv->last_debug_word16[3] == 0x4000 ? "PHY" :
                   "???",
                   priv->last_debug_word16[1],
                   priv->last_debug_word16[2],
                   priv->last_debug_word16[4]);
    }
    else if (priv->last_debug_word16[0] != 0xDBAC)
        /* suppress SDL Trace output (note: still available to unicli). */
    {
        unifi_info(priv, "unifi debug: %04X %04X %04X %04X %04X %04X %04X %04X\n",
                   priv->last_debug_word16[0], priv->last_debug_word16[1],
                   priv->last_debug_word16[2], priv->last_debug_word16[3],
                   priv->last_debug_word16[4], priv->last_debug_word16[5],
                   priv->last_debug_word16[6], priv->last_debug_word16[7]);
        unifi_info(priv, "             %04X %04X %04X %04X %04X %04X %04X %04X\n",
                   priv->last_debug_word16[8], priv->last_debug_word16[9],
                   priv->last_debug_word16[10], priv->last_debug_word16[11],
                   priv->last_debug_word16[12], priv->last_debug_word16[13],
                   priv->last_debug_word16[14], priv->last_debug_word16[15]);
    }

} /* debug_word16_indication() */


void
debug_generic_indication(unifi_priv_t *priv, const CSR_SIGNAL *sigptr)
{
    unifi_info(priv, "debug: %04X %04X %04X %04X %04X %04X %04X %04X\n",
               sigptr->u.DebugGenericIndication.DebugWords[0],
               sigptr->u.DebugGenericIndication.DebugWords[1],
               sigptr->u.DebugGenericIndication.DebugWords[2],
               sigptr->u.DebugGenericIndication.DebugWords[3],
               sigptr->u.DebugGenericIndication.DebugWords[4],
               sigptr->u.DebugGenericIndication.DebugWords[5],
               sigptr->u.DebugGenericIndication.DebugWords[6],
               sigptr->u.DebugGenericIndication.DebugWords[7]);

} /* debug_generic_indication() */