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
48struct 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
62static 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
69static 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
75static 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
80static 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
89static const struct hw_stat_reg_entry hw_ampdu_info_regs[] = {
90 STAT_MAC_REG(AMPDU_DENSITY), STAT_MAC_REG(AMPDU_FACTOR),
91};
92
93static 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
106struct 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
115struct carl9170_debug_mem_rbe {
116 u32 reg;
117 u32 value;
118};
119
120#define CARL9170_DEBUG_RING_SIZE 64
121
122struct 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
130struct ar9170;
131
132void carl9170_debugfs_register(struct ar9170 *ar);
133void carl9170_debugfs_unregister(struct ar9170 *ar);
134#endif /* __DEBUG_H */
135

source code of linux/drivers/net/wireless/ath/carl9170/debug.h