drivers/net/wireless/ath/carl9170/debug.h

   1 /*
   2  * Atheros CARL9170 driver
   3  *
   4  * debug header
   5  *
   6  * Copyright 2010, Christian Lamparter <chunkeey@googlemail.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; see the file COPYING.  If not, see
  20  * http://www.gnu.org/licenses/.
  21  *
  22  * This file incorporates work covered by the following copyright and
  23  * permission notice:
  24  *    Copyright (c) 2007-2008 Atheros Communications, Inc.
  25  *
  26  *    Permission to use, copy, modify, and/or distribute this software for any
  27  *    purpose with or without fee is hereby granted, provided that the above
  28  *    copyright notice and this permission notice appear in all copies.
  29  *
  30  *    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  31  *    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  32  *    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  33  *    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  34  *    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  35  *    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  36  *    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  37  */
  38 #ifndef __DEBUG_H
  39 #define __DEBUG_H
  40
  41 #include "eeprom.h"
  42 #include "wlan.h"
  43 #include "hw.h"
  44 #include "fwdesc.h"
  45 #include "fwcmd.h"
  46 #include "../regd.h"
  47
  48 struct hw_stat_reg_entry {
  49         u32 reg;
  50         char nreg[32];
  51 };
  52
  53 #define STAT_MAC_REG(reg)       \
  54         { (AR9170_MAC_REG_##reg), #reg }
  55
  56 #define STAT_PTA_REG(reg)       \
  57         { (AR9170_PTA_REG_##reg), #reg }
  58
  59 #define STAT_USB_REG(reg)       \
  60         { (AR9170_USB_REG_##reg), #reg }
  61
  62 static const struct hw_stat_reg_entry hw_rx_tally_regs[] = {
  63         STAT_MAC_REG(RX_CRC32),         STAT_MAC_REG(RX_CRC16),
  64         STAT_MAC_REG(RX_TIMEOUT_COUNT), STAT_MAC_REG(RX_ERR_DECRYPTION_UNI),
  65         STAT_MAC_REG(RX_ERR_DECRYPTION_MUL), STAT_MAC_REG(RX_MPDU),
  66         STAT_MAC_REG(RX_DROPPED_MPDU),  STAT_MAC_REG(RX_DEL_MPDU),
  67 };
  68
  69 static const struct hw_stat_reg_entry hw_phy_errors_regs[] = {
  70         STAT_MAC_REG(RX_PHY_MISC_ERROR), STAT_MAC_REG(RX_PHY_XR_ERROR),
  71         STAT_MAC_REG(RX_PHY_OFDM_ERROR), STAT_MAC_REG(RX_PHY_CCK_ERROR),
  72         STAT_MAC_REG(RX_PHY_HT_ERROR), STAT_MAC_REG(RX_PHY_TOTAL),
  73 };
  74
  75 static const struct hw_stat_reg_entry hw_tx_tally_regs[] = {
  76         STAT_MAC_REG(TX_TOTAL),         STAT_MAC_REG(TX_UNDERRUN),
  77         STAT_MAC_REG(TX_RETRY),
  78 };
  79
  80 static const struct hw_stat_reg_entry hw_wlan_queue_regs[] = {
  81         STAT_MAC_REG(DMA_STATUS),       STAT_MAC_REG(DMA_TRIGGER),
  82         STAT_MAC_REG(DMA_TXQ0_ADDR),    STAT_MAC_REG(DMA_TXQ0_CURR_ADDR),
  83         STAT_MAC_REG(DMA_TXQ1_ADDR),    STAT_MAC_REG(DMA_TXQ1_CURR_ADDR),
  84         STAT_MAC_REG(DMA_TXQ2_ADDR),    STAT_MAC_REG(DMA_TXQ2_CURR_ADDR),
  85         STAT_MAC_REG(DMA_TXQ3_ADDR),    STAT_MAC_REG(DMA_TXQ3_CURR_ADDR),
  86         STAT_MAC_REG(DMA_RXQ_ADDR),     STAT_MAC_REG(DMA_RXQ_CURR_ADDR),
  87 };
  88
  89 static const struct hw_stat_reg_entry hw_ampdu_info_regs[] = {
  90         STAT_MAC_REG(AMPDU_DENSITY),    STAT_MAC_REG(AMPDU_FACTOR),
  91 };
  92
  93 static const struct hw_stat_reg_entry hw_pta_queue_regs[] = {
  94         STAT_PTA_REG(DN_CURR_ADDRH),    STAT_PTA_REG(DN_CURR_ADDRL),
  95         STAT_PTA_REG(UP_CURR_ADDRH),    STAT_PTA_REG(UP_CURR_ADDRL),
  96         STAT_PTA_REG(DMA_STATUS),       STAT_PTA_REG(DMA_MODE_CTRL),
  97 };
  98
  99 #define DEFINE_TALLY(name)                                      \
 100         u32 name##_sum[ARRAY_SIZE(name##_regs)],                \
 101             name##_counter[ARRAY_SIZE(name##_regs)]             \
 102
 103 #define DEFINE_STAT(name)                                       \
 104         u32 name##_counter[ARRAY_SIZE(name##_regs)]             \
 105
 106 struct ath_stats {
 107         DEFINE_TALLY(hw_tx_tally);
 108         DEFINE_TALLY(hw_rx_tally);
 109         DEFINE_TALLY(hw_phy_errors);
 110         DEFINE_STAT(hw_wlan_queue);
 111         DEFINE_STAT(hw_pta_queue);
 112         DEFINE_STAT(hw_ampdu_info);
 113 };
 114
 115 struct carl9170_debug_mem_rbe {
 116         u32 reg;
 117         u32 value;
 118 };
 119
 120 #define CARL9170_DEBUG_RING_SIZE                        64
 121
 122 struct carl9170_debug {
 123         struct ath_stats stats;
 124         struct carl9170_debug_mem_rbe ring[CARL9170_DEBUG_RING_SIZE];
 125         struct mutex ring_lock;
 126         unsigned int ring_head, ring_tail;
 127         struct delayed_work update_tally;
 128 };
 129
 130 struct ar9170;
 131
 132 void carl9170_debugfs_register(struct ar9170 *ar);
 133 void carl9170_debugfs_unregister(struct ar9170 *ar);
 134 #endif /* __DEBUG_H */