path: root/drivers/net/wireless/ath/ath9k/debug.c

/*
 * Copyright (c) 2008-2011 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.
 */

#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/export.h>
#include <asm/unaligned.h>

#include "ath9k.h"

#define REG_WRITE_D(_ah, _reg, _val) \
	ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
#define REG_READ_D(_ah, _reg) \
	ath9k_hw_common(_ah)->ops->read((_ah), (_reg))

void ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause)
{
	if (sync_cause)
		sc->debug.stats.istats.sync_cause_all++;
	if (sync_cause & AR_INTR_SYNC_RTC_IRQ)
		sc->debug.stats.istats.sync_rtc_irq++;
	if (sync_cause & AR_INTR_SYNC_MAC_IRQ)
		sc->debug.stats.istats.sync_mac_irq++;
	if (sync_cause & AR_INTR_SYNC_EEPROM_ILLEGAL_ACCESS)
		sc->debug.stats.istats.eeprom_illegal_access++;
	if (sync_cause & AR_INTR_SYNC_APB_TIMEOUT)
		sc->debug.stats.istats.apb_timeout++;
	if (sync_cause & AR_INTR_SYNC_PCI_MODE_CONFLICT)
		sc->debug.stats.istats.pci_mode_conflict++;
	if (sync_cause & AR_INTR_SYNC_HOST1_FATAL)
		sc->debug.stats.istats.host1_fatal++;
	if (sync_cause & AR_INTR_SYNC_HOST1_PERR)
		sc->debug.stats.istats.host1_perr++;
	if (sync_cause & AR_INTR_SYNC_TRCV_FIFO_PERR)
		sc->debug.stats.istats.trcv_fifo_perr++;
	if (sync_cause & AR_INTR_SYNC_RADM_CPL_EP)
		sc->debug.stats.istats.radm_cpl_ep++;
	if (sync_cause & AR_INTR_SYNC_RADM_CPL_DLLP_ABORT)
		sc->debug.stats.istats.radm_cpl_dllp_abort++;
	if (sync_cause & AR_INTR_SYNC_RADM_CPL_TLP_ABORT)
		sc->debug.stats.istats.radm_cpl_tlp_abort++;
	if (sync_cause & AR_INTR_SYNC_RADM_CPL_ECRC_ERR)
		sc->debug.stats.istats.radm_cpl_ecrc_err++;
	if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT)
		sc->debug.stats.istats.radm_cpl_timeout++;
	if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT)
		sc->debug.stats.istats.local_timeout++;
	if (sync_cause & AR_INTR_SYNC_PM_ACCESS)
		sc->debug.stats.istats.pm_access++;
	if (sync_cause & AR_INTR_SYNC_MAC_AWAKE)
		sc->debug.stats.istats.mac_awake++;
	if (sync_cause & AR_INTR_SYNC_MAC_ASLEEP)
		sc->debug.stats.istats.mac_asleep++;
	if (sync_cause & AR_INTR_SYNC_MAC_SLEEP_ACCESS)
		sc->debug.stats.istats.mac_sleep_access++;
}

static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
				      size_t count, loff_t *ppos)
{
	u8 *buf = file->private_data;
	return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
}

static int ath9k_debugfs_release_buf(struct</