LXR linux/drivers/staging/rts5139/trace.h

   1/* Driver for Realtek RTS51xx USB card reader
   2 * Header file
   3 *
   4 * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
   5 *
   6 * This program is free software; you can redistribute it and/or modify it
   7 * under the terms of the GNU General Public License as published by the
   8 * Free Software Foundation; either version 2, or (at your option) any
   9 * later version.
  10 *
  11 * This program is distributed in the hope that it will be useful, but
  12 * WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 * General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License along
  17 * with this program; if not, see <http://www.gnu.org/licenses/>.
  18 *
  19 * Author:
  20 *   wwang (wei_wang@realsil.com.cn)
  21 *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
  22 * Maintainer:
  23 *   Edwin Rong (edwin_rong@realsil.com.cn)
  24 *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
  25 */
  26
  27#ifndef __RTS51X_TRACE_H
  28#define __RTS51X_TRACE_H
  29
  30#include <linux/string.h>
  31
  32#include "debug.h"
  33
  34#define _MSG_TRACE
  35
  36#ifdef _MSG_TRACE
  37#define TRACE_RET(chip, ret)                                            \
  38do {                                                                    \
  39        const char *_file = kbasename(__FILE__);                        \
  40        RTS51X_DEBUGP("[%s][%s]:[%d]\n", _file, __func__, __LINE__);    \
  41        (chip)->trace_msg[(chip)->msg_idx].line = (u16)(__LINE__);      \
  42        strncpy((chip)->trace_msg[(chip)->msg_idx].func,                \
  43                        __func__, MSG_FUNC_LEN-1);                      \
  44        strncpy((chip)->trace_msg[(chip)->msg_idx].file,                \
  45                        _file, MSG_FILE_LEN-1);                         \
  46        get_current_time((chip)->trace_msg[(chip)->msg_idx].timeval_buf,\
  47                        TIME_VAL_LEN);  \
  48        (chip)->trace_msg[(chip)->msg_idx].valid = 1;                   \
  49        (chip)->msg_idx++;                                              \
  50        if ((chip)->msg_idx >= TRACE_ITEM_CNT) {                        \
  51                (chip)->msg_idx = 0;                                    \
  52        }                                                               \
  53        return ret;                                                     \
  54} while (0)
  55
  56#define TRACE_GOTO(chip, label)                                         \
  57do {                                                                    \
  58        const char *_file = kbasename(__FILE__);                        \
  59        RTS51X_DEBUGP("[%s][%s]:[%d]\n", _file, __func__, __LINE__);    \
  60        (chip)->trace_msg[(chip)->msg_idx].line = (u16)(__LINE__);      \
  61        strncpy((chip)->trace_msg[(chip)->msg_idx].func,                \
  62                        __func__, MSG_FUNC_LEN-1);                      \
  63        strncpy((chip)->trace_msg[(chip)->msg_idx].file,                \
  64                        _file, MSG_FILE_LEN-1);                         \
  65        get_current_time((chip)->trace_msg[(chip)->msg_idx].timeval_buf,\
  66                        TIME_VAL_LEN);                                  \
  67        (chip)->trace_msg[(chip)->msg_idx].valid = 1;                   \
  68        (chip)->msg_idx++;                                              \
  69        if ((chip)->msg_idx >= TRACE_ITEM_CNT) {                        \
  70                (chip)->msg_idx = 0;                                    \
  71        }                                                               \
  72        goto label;                                                     \
  73} while (0)
  74#else
  75#define TRACE_RET(chip, ret)    return (ret)
  76#define TRACE_GOTO(chip, label) goto label
  77#endif
  78
  79#ifdef CONFIG_RTS5139_DEBUG
  80#define RTS51X_DUMP(buf, buf_len)                                       \
  81        print_hex_dump(KERN_DEBUG, RTS51X_TIP, DUMP_PREFIX_NONE,        \
  82                                16, 1, (buf), (buf_len), false)
  83
  84#define CATCH_TRIGGER(chip)                                     \
  85do {                                                            \
  86        rts51x_ep0_write_register((chip), 0xFC31, 0x01, 0x01);  \
  87        RTS51X_DEBUGP("Catch trigger!\n");                      \
  88} while (0)
  89
  90#else
  91#define RTS51X_DUMP(buf, buf_len)
  92#define CATCH_TRIGGER(chip)
  93#endif
  94
  95#endif /* __RTS51X_TRACE_H */
  96