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 "debug.h"
  31
  32 #define _MSG_TRACE
  33
  34 #ifdef _MSG_TRACE
  35 static inline char *filename(char *path)
  36 {
  37         char *ptr;
  38
  39         if (path == NULL)
  40                 return NULL;
  41
  42         ptr = path;
  43
  44         while (*ptr != '\0') {
  45                 if ((*ptr == '\\') || (*ptr == '/'))
  46                         path = ptr + 1;
  47                 ptr++;
  48         }
  49
  50         return path;
  51 }
  52
  53 #define TRACE_RET(chip, ret)                                            \
  54 do {                                                                    \
  55         char *_file = filename((char *)__FILE__);                       \
  56         RTS51X_DEBUGP("[%s][%s]:[%d]\n", _file, __func__, __LINE__);    \
  57         (chip)->trace_msg[(chip)->msg_idx].line = (u16)(__LINE__);      \
  58         strncpy((chip)->trace_msg[(chip)->msg_idx].func,                \
  59                         __func__, MSG_FUNC_LEN-1);                      \
  60         strncpy((chip)->trace_msg[(chip)->msg_idx].file,                \
  61                         _file, MSG_FILE_LEN-1);                         \
  62         get_current_time((chip)->trace_msg[(chip)->msg_idx].timeval_buf,\
  63                         TIME_VAL_LEN);  \
  64         (chip)->trace_msg[(chip)->msg_idx].valid = 1;                   \
  65         (chip)->msg_idx++;                                              \
  66         if ((chip)->msg_idx >= TRACE_ITEM_CNT) {                        \
  67                 (chip)->msg_idx = 0;                                    \
  68         }                                                               \
  69         return ret;                                                     \
  70 } while (0)
  71
  72 #define TRACE_GOTO(chip, label)                                         \
  73 do {                                                                    \
  74         char *_file = filename((char *)__FILE__);                       \
  75         RTS51X_DEBUGP("[%s][%s]:[%d]\n", _file, __func__, __LINE__);    \
  76         (chip)->trace_msg[(chip)->msg_idx].line = (u16)(__LINE__);      \
  77         strncpy((chip)->trace_msg[(chip)->msg_idx].func,                \
  78                         __func__, MSG_FUNC_LEN-1);                      \
  79         strncpy((chip)->trace_msg[(chip)->msg_idx].file,                \
  80                         _file, MSG_FILE_LEN-1);                         \
  81         get_current_time((chip)->trace_msg[(chip)->msg_idx].timeval_buf,\
  82                         TIME_VAL_LEN);                                  \
  83         (chip)->trace_msg[(chip)->msg_idx].valid = 1;                   \
  84         (chip)->msg_idx++;                                              \
  85         if ((chip)->msg_idx >= TRACE_ITEM_CNT) {                        \
  86                 (chip)->msg_idx = 0;                                    \
  87         }                                                               \
  88         goto label;                                                     \
  89 } while (0)
  90 #else
  91 #define TRACE_RET(chip, ret)    return (ret)
  92 #define TRACE_GOTO(chip, label) goto label
  93 #endif
  94
  95 #ifdef CONFIG_RTS5139_DEBUG
  96 static inline void rts51x_dump(u8 *buf, int buf_len)
  97 {
  98         int i;
  99         u8 tmp[16] = { 0 };
 100         u8 *_ptr = buf;
 101
 102         for (i = 0; i < ((buf_len) / 16); i++) {
 103                 RTS51X_DEBUGP("%02x %02x %02x %02x %02x %02x %02x %02x "
 104                                "%02x %02x %02x %02x %02x %02x %02x %02x\n",
 105                                _ptr[0], _ptr[1], _ptr[2], _ptr[3], _ptr[4],
 106                                _ptr[5], _ptr[6], _ptr[7], _ptr[8], _ptr[9],
 107                                _ptr[10], _ptr[11], _ptr[12], _ptr[13], _ptr[14],
 108                                _ptr[15]);
 109                 _ptr += 16;
 110         }
 111         if ((buf_len) % 16) {
 112                 memcpy(tmp, _ptr, (buf_len) % 16);
 113                 _ptr = tmp;
 114                 RTS51X_DEBUGP("%02x %02x %02x %02x %02x %02x %02x %02x "
 115                                "%02x %02x %02x %02x %02x %02x %02x %02x\n",
 116                                _ptr[0], _ptr[1], _ptr[2], _ptr[3], _ptr[4],
 117                                _ptr[5], _ptr[6], _ptr[7], _ptr[8], _ptr[9],
 118                                _ptr[10], _ptr[11], _ptr[12], _ptr[13], _ptr[14],
 119                                _ptr[15]);
 120         }
 121 }
 122
 123 #define RTS51X_DUMP(buf, buf_len)       \
 124                 rts51x_dump((u8 *)(buf), (buf_len))
 125
 126 #define CATCH_TRIGGER(chip)                                     \
 127 do {                                                            \
 128         rts51x_ep0_write_register((chip), 0xFC31, 0x01, 0x01);  \
 129         RTS51X_DEBUGP("Catch trigger!\n");                      \
 130 } while (0)
 131
 132 #else
 133 #define RTS51X_DUMP(buf, buf_len)
 134 #define CATCH_TRIGGER(chip)
 135 #endif
 136
 137 #endif /* __RTS51X_TRACE_H */