carl9170: firmware parser and debugfs code

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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

+/*
+ * Atheros CARL9170 driver
+ *
+ * debug header
+ *
+ * Copyright 2010, Christian Lamparter <chunkeey@googlemail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, see
+ * http://www.gnu.org/licenses/.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *    Copyright (c) 2007-2008 Atheros Communications, Inc.
+ *
+ *    Permission to use, copy, modify, and/or distribute this software for any
+ *    purpose with or without fee is hereby granted, provided that the above
+ *    copyright notice and this permission notice appear in all copies.
+ *
+ *    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef __DEBUG_H
+#define __DEBUG_H
+
+#include "eeprom.h"
+#include "wlan.h"
+#include "hw.h"
+#include "fwdesc.h"
+#include "fwcmd.h"
+#include "../regd.h"
+
+struct hw_stat_reg_entry {
+	u32 reg;
+	char nreg[32];
+};
+
+#define	STAT_MAC_REG(reg)	\
+	{ (AR9170_MAC_REG_##reg), #reg }
+
+#define	STAT_PTA_REG(reg)	\
+	{ (AR9170_PTA_REG_##reg), #reg }
+
+#define	STAT_USB_REG(reg)	\
+	{ (AR9170_USB_REG_##reg), #reg }
+
+static const struct hw_stat_reg_entry hw_rx_tally_regs[] = {
+	STAT_MAC_REG(RX_CRC32),		STAT_MAC_REG(RX_CRC16),
+	STAT_MAC_REG(RX_TIMEOUT_COUNT),	STAT_MAC_REG(RX_ERR_DECRYPTION_UNI),
+	STAT_MAC_REG(RX_ERR_DECRYPTION_MUL), STAT_MAC_REG(RX_MPDU),
+	STAT_MAC_REG(RX_DROPPED_MPDU),	STAT_MAC_REG(RX_DEL_MPDU),
+};
+
+static const struct hw_stat_reg_entry hw_phy_errors_regs[] = {
+	STAT_MAC_REG(RX_PHY_MISC_ERROR), STAT_MAC_REG(RX_PHY_XR_ERROR),
+	STAT_MAC_REG(RX_PHY_OFDM_ERROR), STAT_MAC_REG(RX_PHY_CCK_ERROR),
+	STAT_MAC_REG(RX_PHY_HT_ERROR), STAT_MAC_REG(RX_PHY_TOTAL),
+};
+
+static const struct hw_stat_reg_entry hw_tx_tally_regs[] = {
+	STAT_MAC_REG(TX_TOTAL),		STAT_MAC_REG(TX_UNDERRUN),
+	STAT_MAC_REG(TX_RETRY),
+};
+
+static const struct hw_stat_reg_entry hw_wlan_queue_regs[] = {
+	STAT_MAC_REG(DMA_STATUS),	STAT_MAC_REG(DMA_TRIGGER),
+	STAT_MAC_REG(DMA_TXQ0_ADDR),	STAT_MAC_REG(DMA_TXQ0_CURR_ADDR),
+	STAT_MAC_REG(DMA_TXQ1_ADDR),	STAT_MAC_REG(DMA_TXQ1_CURR_ADDR),
+	STAT_MAC_REG(DMA_TXQ2_ADDR),	STAT_MAC_REG(DMA_TXQ2_CURR_ADDR),
+	STAT_MAC_REG(DMA_TXQ3_ADDR),	STAT_MAC_REG(DMA_TXQ3_CURR_ADDR),
+	STAT_MAC_REG(DMA_RXQ_ADDR),	STAT_MAC_REG(DMA_RXQ_CURR_ADDR),
+};
+
+static const struct hw_stat_reg_entry hw_ampdu_info_regs[] = {
+	STAT_MAC_REG(AMPDU_DENSITY),	STAT_MAC_REG(AMPDU_FACTOR),
+};
+
+static const struct hw_stat_reg_entry hw_pta_queue_regs[] = {
+	STAT_PTA_REG(DN_CURR_ADDRH),	STAT_PTA_REG(DN_CURR_ADDRL),
+	STAT_PTA_REG(UP_CURR_ADDRH),	STAT_PTA_REG(UP_CURR_ADDRL),
+	STAT_PTA_REG(DMA_STATUS),	STAT_PTA_REG(DMA_MODE_CTRL),
+};
+
+#define	DEFINE_TALLY(name)					\
+	u32 name##_sum[ARRAY_SIZE(name##_regs)],		\
+	    name##_counter[ARRAY_SIZE(name##_regs)]		\
+
+#define	DEFINE_STAT(name)					\
+	u32 name##_counter[ARRAY_SIZE(name##_regs)]		\
+
+struct ath_stats {
+	DEFINE_TALLY(hw_tx_tally);
+	DEFINE_TALLY(hw_rx_tally);
+	DEFINE_TALLY(hw_phy_errors);
+	DEFINE_STAT(hw_wlan_queue);
+	DEFINE_STAT(hw_pta_queue);
+	DEFINE_STAT(hw_ampdu_info);
+};
+
+struct carl9170_debug_mem_rbe {
+	u32 reg;
+	u32 value;
+};
+
+#define	CARL9170_DEBUG_RING_SIZE			64
+
+struct carl9170_debug {
+	struct ath_stats stats;
+	struct carl9170_debug_mem_rbe ring[CARL9170_DEBUG_RING_SIZE];
+	struct mutex ring_lock;
+	unsigned int ring_head, ring_tail;
+	struct delayed_work update_tally;
+};
+
+struct ar9170;
+
+void carl9170_debugfs_register(struct ar9170 *ar);
+void carl9170_debugfs_unregister(struct ar9170 *ar);
+#endif /* __DEBUG_H */