Commit 8e21df23 authored by Piotr Haber's avatar Piotr Haber Committed by John W. Linville
Browse files

brcmsmac: hardware info in debugfs



Put basic information about hardware in debugfs.
Reviewed-by: default avatarPieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: default avatarHante Meuleman <meuleman@broadcom.com>
Reviewed-by: default avatarArend van Spriel <arend@broadcom.com>
Signed-off-by: default avatarPiotr Haber <phaber@broadcom.com>
Signed-off-by: default avatarArend van Spriel <arend@broadcom.com>
Acked-by: default avatarSeth Forshee <seth.forshee@canonical.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 57fe5048
/*
* Copyright (c) 2012 Broadcom Corporation
* Copyright (c) 2012 Canonical Ltd.
*
* 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/debugfs.h>
#include <linux/if_ether.h>
#include <linux/if.h>
#include <linux/net.h>
#include <linux/netdevice.h>
#include <linux/ieee80211.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <net/mac80211.h>
#include <defs.h>
#include <brcmu_wifi.h>
#include <brcmu_utils.h>
#include "types.h"
#include "main.h"
#include "debug.h"
#include "brcms_trace_events.h"
static struct dentry *root_folder;
void brcms_debugfs_init(void)
{
root_folder = debugfs_create_dir(KBUILD_MODNAME, NULL);
if (IS_ERR(root_folder))
root_folder = NULL;
}
void brcms_debugfs_exit(void)
{
if (!root_folder)
return;
debugfs_remove_recursive(root_folder);
root_folder = NULL;
}
int brcms_debugfs_attach(struct brcms_pub *drvr)
{
if (!root_folder)
return -ENODEV;
drvr->dbgfs_dir = debugfs_create_dir(
dev_name(&drvr->wlc->hw->d11core->dev), root_folder);
return PTR_RET(drvr->dbgfs_dir);
}
void brcms_debugfs_detach(struct brcms_pub *drvr)
{
if (!IS_ERR_OR_NULL(drvr->dbgfs_dir))
debugfs_remove_recursive(drvr->dbgfs_dir);
}
struct dentry *brcms_debugfs_get_devdir(struct brcms_pub *drvr)
{
return drvr->dbgfs_dir;
}
static
ssize_t brcms_debugfs_hardware_read(struct file *f, char __user *data,
size_t count, loff_t *ppos)
{
char buf[128];
int res;
struct brcms_pub *drvr = f->private_data;
/* only allow read from start */
if (*ppos > 0)
return 0;
res = scnprintf(buf, sizeof(buf),
"board vendor: %x\n"
"board type: %x\n"
"board revision: %x\n"
"board flags: %x\n"
"board flags2: %x\n"
"firmware revision: %x\n",
drvr->wlc->hw->d11core->bus->boardinfo.vendor,
drvr->wlc->hw->d11core->bus->boardinfo.type,
drvr->wlc->hw->boardrev,
drvr->wlc->hw->boardflags,
drvr->wlc->hw->boardflags2,
drvr->wlc->ucode_rev
);
return simple_read_from_buffer(data, count, ppos, buf, res);
}
static const struct file_operations brcms_debugfs_hardware_ops = {
.owner = THIS_MODULE,
.open = simple_open,
.read = brcms_debugfs_hardware_read
};
void brcms_debugfs_create_files(struct brcms_pub *drvr)
{
struct dentry *dentry = drvr->dbgfs_dir;
if (!IS_ERR_OR_NULL(dentry))
debugfs_create_file("hardware", S_IRUGO, dentry,
drvr, &brcms_debugfs_hardware_ops);
}
#define __brcms_fn(fn) \
void __brcms_ ##fn(struct device *dev, const char *fmt, ...) \
{ \
......
/*
* Copyright (c) 2012 Broadcom Corporation
*
* 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 _BRCMS_DEBUG_H_
#define _BRCMS_DEBUG_H_
......@@ -49,4 +64,12 @@ void __brcms_dbg(struct device *dev, u32 level, const char *func,
#define brcms_dbg_dma(core, f, a...) brcms_dbg(core, BRCM_DL_DMA, f, ##a)
#define brcms_dbg_ht(core, f, a...) brcms_dbg(core, BRCM_DL_HT, f, ##a)
struct brcms_pub;
void brcms_debugfs_init(void);
void brcms_debugfs_exit(void);
int brcms_debugfs_attach(struct brcms_pub *drvr);
void brcms_debugfs_detach(struct brcms_pub *drvr);
struct dentry *brcms_debugfs_get_devdir(struct brcms_pub *drvr);
void brcms_debugfs_create_files(struct brcms_pub *drvr);
#endif /* _BRCMS_DEBUG_H_ */
......@@ -846,8 +846,10 @@ static void brcms_free(struct brcms_info *wl)
/* kill dpc */
tasklet_kill(&wl->tasklet);
if (wl->pub)
if (wl->pub) {
brcms_debugfs_detach(wl->pub);
brcms_c_module_unregister(wl->pub, "linux", wl);
}
/* free common resources */
if (wl->wlc) {
......@@ -1077,6 +1079,8 @@ static struct brcms_info *brcms_attach(struct bcma_device *pdev)
regulatory_hint(wl->wiphy, wl->pub->srom_ccode))
wiphy_err(wl->wiphy, "%s: regulatory hint failed\n", __func__);
brcms_debugfs_attach(wl->pub);
brcms_debugfs_create_files(wl->pub);
n_adapters_found++;
return wl;
......@@ -1185,6 +1189,7 @@ static DECLARE_WORK(brcms_driver_work, brcms_driver_init);
static int __init brcms_module_init(void)
{
brcms_debugfs_init();
if (!schedule_work(&brcms_driver_work))
return -EBUSY;
......@@ -1202,6 +1207,7 @@ static void __exit brcms_module_exit(void)
{
cancel_work_sync(&brcms_driver_work);
bcma_driver_unregister(&brcms_bcma_driver);
brcms_debugfs_exit();
}
module_init(brcms_module_init);
......
......@@ -176,6 +176,7 @@ struct brcms_pub {
bool phy_11ncapable; /* the PHY/HW is capable of 802.11N */
struct wl_cnt *_cnt; /* low-level counters in driver */
struct dentry *dbgfs_dir;
};
enum wlc_par_id {
......
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