diff options
Diffstat (limited to 'drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c')
| -rw-r--r-- | drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c | 471 |
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); -} |