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path: root/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c
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Diffstat (limited to 'drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c')
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c471
1 files changed, 0 insertions, 471 deletions
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c
deleted file mode 100644
index 8ab5f93d192a..000000000000
--- a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c
+++ /dev/null
@@ -1,471 +0,0 @@
-/*
-
- Broadcom BCM43xx wireless driver
-
- SYSFS support routines
-
- Copyright (c) 2006 Michael Buesch <mbuesch@freenet.de>
-
- 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, write to
- the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
- Boston, MA 02110-1301, USA.
-
-*/
-
-#include "bcm43xx_sysfs.h"
-#include "bcm43xx.h"
-#include "bcm43xx_main.h"
-#include "bcm43xx_radio.h"
-
-#include <linux/capability.h>
-
-
-#define GENERIC_FILESIZE 64
-
-
-static int get_integer(const char *buf, size_t count)
-{
- char tmp[10 + 1] = { 0 };
- int ret = -EINVAL;
-
- if (count == 0)
- goto out;
- count = min(count, (size_t)10);
- memcpy(tmp, buf, count);
- ret = simple_strtol(tmp, NULL, 10);
-out:
- return ret;
-}
-
-static int get_boolean(const char *buf, size_t count)
-{
- if (count != 0) {
- if (buf[0] == '1')
- return 1;
- if (buf[0] == '0')
- return 0;
- if (count >= 4 && memcmp(buf, "true", 4) == 0)
- return 1;
- if (count >= 5 && memcmp(buf, "false", 5) == 0)
- return 0;
- if (count >= 3 && memcmp(buf, "yes", 3) == 0)
- return 1;
- if (count >= 2 && memcmp(buf, "no", 2) == 0)
- return 0;
- if (count >= 2 && memcmp(buf, "on", 2) == 0)
- return 1;
- if (count >= 3 && memcmp(buf, "off", 3) == 0)
- return 0;
- }
- return -EINVAL;
-}
-
-static int sprom2hex(const u16 *sprom, char *buf, size_t buf_len)
-{
- int i, pos = 0;
-
- for (i = 0; i < BCM43xx_SPROM_SIZE; i++) {
- pos += snprintf(buf + pos, buf_len - pos - 1,
- "%04X", swab16(sprom[i]) & 0xFFFF);
- }
- pos += snprintf(buf + pos, buf_len - pos - 1, "\n");
-
- return pos + 1;
-}
-
-static int hex2sprom(u16 *sprom, const char *dump, size_t len)
-{
- char tmp[5] = { 0 };
- int cnt = 0;
- unsigned long parsed;
-
- if (len < BCM43xx_SPROM_SIZE * sizeof(u16) * 2)
- return -EINVAL;
-
- while (cnt < BCM43xx_SPROM_SIZE) {
- memcpy(tmp, dump, 4);
- dump += 4;
- parsed = simple_strtoul(tmp, NULL, 16);
- sprom[cnt++] = swab16((u16)parsed);
- }
-
- return 0;
-}
-
-static ssize_t bcm43xx_attr_sprom_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct bcm43xx_private *bcm = dev_to_bcm(dev);
- u16 *sprom;
- unsigned long flags;
- int err;
-
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
- assert(BCM43xx_SPROM_SIZE * sizeof(u16) <= PAGE_SIZE);
- sprom = kmalloc(BCM43xx_SPROM_SIZE * sizeof(*sprom),
- GFP_KERNEL);
- if (!sprom)
- return -ENOMEM;
- mutex_lock(&bcm->mutex);
- spin_lock_irqsave(&bcm->irq_lock, flags);
- err = bcm43xx_sprom_read(bcm, sprom);
- if (!err)
- err = sprom2hex(sprom, buf, PAGE_SIZE);
- mmiowb();
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
- mutex_unlock(&bcm->mutex);
- kfree(sprom);
-
- return err;
-}
-
-static ssize_t bcm43xx_attr_sprom_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct bcm43xx_private *bcm = dev_to_bcm(dev);
- u16 *sprom;
- unsigned long flags;
- int err;
-
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
- sprom = kmalloc(BCM43xx_SPROM_SIZE * sizeof(*sprom),
- GFP_KERNEL);
- if (!sprom)
- return -ENOMEM;
- err = hex2sprom(sprom, buf, count);
- if (err)
- goto out_kfree;
- mutex_lock(&bcm->mutex);
- spin_lock_irqsave(&bcm->irq_lock, flags);
- spin_lock(&bcm->leds_lock);
- err = bcm43xx_sprom_write(bcm, sprom);
- mmiowb();
- spin_unlock(&bcm->leds_lock);
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
- mutex_unlock(&bcm->mutex);
-out_kfree:
- kfree(sprom);
-
- return err ? err : count;
-
-}
-
-static DEVICE_ATTR(sprom, 0600,
- bcm43xx_attr_sprom_show,
- bcm43xx_attr_sprom_store);
-
-static ssize_t bcm43xx_attr_interfmode_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct bcm43xx_private *bcm = dev_to_bcm(dev);
- ssize_t count = 0;
-
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
- mutex_lock(&bcm->mutex);
-
- switch (bcm43xx_current_radio(bcm)->interfmode) {
- case BCM43xx_RADIO_INTERFMODE_NONE:
- count = snprintf(buf, PAGE_SIZE, "0 (No Interference Mitigation)\n");
- break;
- case BCM43xx_RADIO_INTERFMODE_NONWLAN:
- count = snprintf(buf, PAGE_SIZE, "1 (Non-WLAN Interference Mitigation)\n");
- break;
- case BCM43xx_RADIO_INTERFMODE_MANUALWLAN:
- count = snprintf(buf, PAGE_SIZE, "2 (WLAN Interference Mitigation)\n");
- break;
- default:
- assert(0);
- }
-
- mutex_unlock(&bcm->mutex);
-
- return count;
-
-}
-
-static ssize_t bcm43xx_attr_interfmode_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct bcm43xx_private *bcm = dev_to_bcm(dev);
- unsigned long flags;
- int err;
- int mode;
-
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
- mode = get_integer(buf, count);
- switch (mode) {
- case 0:
- mode = BCM43xx_RADIO_INTERFMODE_NONE;
- break;
- case 1:
- mode = BCM43xx_RADIO_INTERFMODE_NONWLAN;
- break;
- case 2:
- mode = BCM43xx_RADIO_INTERFMODE_MANUALWLAN;
- break;
- case 3:
- mode = BCM43xx_RADIO_INTERFMODE_AUTOWLAN;
- break;
- default:
- return -EINVAL;
- }
-
- mutex_lock(&bcm->mutex);
- spin_lock_irqsave(&bcm->irq_lock, flags);
-
- err = bcm43xx_radio_set_interference_mitigation(bcm, mode);
- if (err) {
- printk(KERN_ERR PFX "Interference Mitigation not "
- "supported by device\n");
- }
- mmiowb();
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
- mutex_unlock(&bcm->mutex);
-
- return err ? err : count;
-}
-
-static DEVICE_ATTR(interference, 0644,
- bcm43xx_attr_interfmode_show,
- bcm43xx_attr_interfmode_store);
-
-static ssize_t bcm43xx_attr_preamble_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct bcm43xx_private *bcm = dev_to_bcm(dev);
- ssize_t count;
-
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
- mutex_lock(&bcm->mutex);
-
- if (bcm->short_preamble)
- count = snprintf(buf, PAGE_SIZE, "1 (Short Preamble enabled)\n");
- else
- count = snprintf(buf, PAGE_SIZE, "0 (Short Preamble disabled)\n");
-
- mutex_unlock(&bcm->mutex);
-
- return count;
-}
-
-static ssize_t bcm43xx_attr_preamble_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct bcm43xx_private *bcm = dev_to_bcm(dev);
- unsigned long flags;
- int value;
-
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
- value = get_boolean(buf, count);
- if (value < 0)
- return value;
- mutex_lock(&bcm->mutex);
- spin_lock_irqsave(&bcm->irq_lock, flags);
-
- bcm->short_preamble = !!value;
-
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
- mutex_unlock(&bcm->mutex);
-
- return count;
-}
-
-static DEVICE_ATTR(shortpreamble, 0644,
- bcm43xx_attr_preamble_show,
- bcm43xx_attr_preamble_store);
-
-static ssize_t bcm43xx_attr_phymode_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct bcm43xx_private *bcm = dev_to_bcm(dev);
- int phytype;
- int err = -EINVAL;
-
- if (count < 1)
- goto out;
- switch (buf[0]) {
- case 'a': case 'A':
- phytype = BCM43xx_PHYTYPE_A;
- break;
- case 'b': case 'B':
- phytype = BCM43xx_PHYTYPE_B;
- break;
- case 'g': case 'G':
- phytype = BCM43xx_PHYTYPE_G;
- break;
- default:
- goto out;
- }
-
- bcm43xx_cancel_work(bcm);
- mutex_lock(&(bcm)->mutex);
- err = bcm43xx_select_wireless_core(bcm, phytype);
- if (!err)
- bcm43xx_periodic_tasks_setup(bcm);
- mutex_unlock(&(bcm)->mutex);
- if (err == -ESRCH)
- err = -ENODEV;
-
-out:
- return err ? err : count;
-}
-
-static ssize_t bcm43xx_attr_phymode_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct bcm43xx_private *bcm = dev_to_bcm(dev);
- ssize_t count = 0;
-
- mutex_lock(&(bcm)->mutex);
- switch (bcm43xx_current_phy(bcm)->type) {
- case BCM43xx_PHYTYPE_A:
- snprintf(buf, PAGE_SIZE, "A");
- break;
- case BCM43xx_PHYTYPE_B:
- snprintf(buf, PAGE_SIZE, "B");
- break;
- case BCM43xx_PHYTYPE_G:
- snprintf(buf, PAGE_SIZE, "G");
- break;
- default:
- assert(0);
- }
- mutex_unlock(&(bcm)->mutex);
-
- return count;
-}
-
-static DEVICE_ATTR(phymode, 0644,
- bcm43xx_attr_phymode_show,
- bcm43xx_attr_phymode_store);
-
-static ssize_t bcm43xx_attr_microcode_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- unsigned long flags;
- struct bcm43xx_private *bcm = dev_to_bcm(dev);
- ssize_t count = 0;
- u16 status;
-
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
- mutex_lock(&(bcm)->mutex);
- spin_lock_irqsave(&bcm->irq_lock, flags);
- status = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED,
- BCM43xx_UCODE_STATUS);
-
- spin_unlock_irqrestore(&bcm->irq_lock, flags);
- mutex_unlock(&(bcm)->mutex);
- switch (status) {
- case 0x0000:
- count = snprintf(buf, PAGE_SIZE, "0x%.4x (invalid)\n",
- status);
- break;
- case 0x0001:
- count = snprintf(buf, PAGE_SIZE, "0x%.4x (init)\n",
- status);
- break;
- case 0x0002:
- count = snprintf(buf, PAGE_SIZE, "0x%.4x (active)\n",
- status);
- break;
- case 0x0003:
- count = snprintf(buf, PAGE_SIZE, "0x%.4x (suspended)\n",
- status);
- break;
- case 0x0004:
- count = snprintf(buf, PAGE_SIZE, "0x%.4x (asleep)\n",
- status);
- break;
- default:
- count = snprintf(buf, PAGE_SIZE, "0x%.4x (unknown)\n",
- status);
- break;
- }
-
- return count;
-}
-
-static DEVICE_ATTR(microcodestatus, 0444,
- bcm43xx_attr_microcode_show,
- NULL);
-
-int bcm43xx_sysfs_register(struct bcm43xx_private *bcm)
-{
- struct device *dev = &bcm->pci_dev->dev;
- int err;
-
- assert(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED);
-
- err = device_create_file(dev, &dev_attr_sprom);
- if (err)
- goto out;
- err = device_create_file(dev, &dev_attr_interference);
- if (err)
- goto err_remove_sprom;
- err = device_create_file(dev, &dev_attr_shortpreamble);
- if (err)
- goto err_remove_interfmode;
- err = device_create_file(dev, &dev_attr_phymode);
- if (err)
- goto err_remove_shortpreamble;
- err = device_create_file(dev, &dev_attr_microcodestatus);
- if (err)
- goto err_remove_phymode;
-
-out:
- return err;
-err_remove_phymode:
- device_remove_file(dev, &dev_attr_phymode);
-err_remove_shortpreamble:
- device_remove_file(dev, &dev_attr_shortpreamble);
-err_remove_interfmode:
- device_remove_file(dev, &dev_attr_interference);
-err_remove_sprom:
- device_remove_file(dev, &dev_attr_sprom);
- goto out;
-}
-
-void bcm43xx_sysfs_unregister(struct bcm43xx_private *bcm)
-{
- struct device *dev = &bcm->pci_dev->dev;
-
- device_remove_file(dev, &dev_attr_microcodestatus);
- device_remove_file(dev, &dev_attr_phymode);
- device_remove_file(dev, &dev_attr_shortpreamble);
- device_remove_file(dev, &dev_attr_interference);
- device_remove_file(dev, &dev_attr_sprom);
-}