/*
* Copyright (c) 2008-2009 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 <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))
static int ath9k_debugfs_open(struct inode *inode, struct file *file)
{
file->private_data = inode->i_private;
return 0;
}
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 inode *inode, struct file *file)
{
vfree(file->private_data);
return 0;
}
#ifdef CONFIG_ATH_DEBUG
static ssize_t read_file_debug(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
char buf[32];
unsigned int len;
len = sprintf(buf, "0x%08x\n", common->debug_mask);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
unsigned long mask;
char buf[32];
ssize_t len;
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))
return -EFAULT;
buf[len] = '\0';
if (strict_strtoul(buf, 0, &mask))
return -EINVAL;
common->debug_mask = mask;
return count;
}
static const struct file_operations fops_debug = {
.read = read_file_debug,
.write = write_file_debug,
.open = ath9k_debugfs_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
#endif
#define DMA_BUF_LEN 1024
static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
struct ath_common *common = ath9k_hw_common