X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fnet%2Fwireless%2Fbcm43xx%2Fbcm43xx_sysfs.c;h=b2bc5a9b6245f2c9ff1371a765cbcdbda986e911;hb=87d263271b1bbf344c596ac308417ff692ddc851;hp=6a23bdc75412cf397a86cbffbe539be4efa924f8;hpb=fffcb480e4224f25c965b93fa65541bfc7dd732e;p=linux-2.6 diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c index 6a23bdc754..b2bc5a9b62 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c @@ -120,12 +120,14 @@ static ssize_t bcm43xx_attr_sprom_show(struct device *dev, GFP_KERNEL); if (!sprom) return -ENOMEM; - bcm43xx_lock_irqsafe(bcm, flags); + 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(); - bcm43xx_unlock_irqsafe(bcm, flags); + spin_unlock_irqrestore(&bcm->irq_lock, flags); + mutex_unlock(&bcm->mutex); kfree(sprom); return err; @@ -150,10 +152,14 @@ static ssize_t bcm43xx_attr_sprom_store(struct device *dev, err = hex2sprom(sprom, buf, count); if (err) goto out_kfree; - bcm43xx_lock_irqsafe(bcm, flags); + mutex_lock(&bcm->mutex); + spin_lock_irqsave(&bcm->irq_lock, flags); + spin_lock(&bcm->leds_lock); err = bcm43xx_sprom_write(bcm, sprom); mmiowb(); - bcm43xx_unlock_irqsafe(bcm, flags); + spin_unlock(&bcm->leds_lock); + spin_unlock_irqrestore(&bcm->irq_lock, flags); + mutex_unlock(&bcm->mutex); out_kfree: kfree(sprom); @@ -176,7 +182,7 @@ static ssize_t bcm43xx_attr_interfmode_show(struct device *dev, if (!capable(CAP_NET_ADMIN)) return -EPERM; - bcm43xx_lock_noirq(bcm); + mutex_lock(&bcm->mutex); switch (bcm43xx_current_radio(bcm)->interfmode) { case BCM43xx_RADIO_INTERFMODE_NONE: @@ -193,7 +199,7 @@ static ssize_t bcm43xx_attr_interfmode_show(struct device *dev, } err = 0; - bcm43xx_unlock_noirq(bcm); + mutex_unlock(&bcm->mutex); return err ? err : count; @@ -229,7 +235,8 @@ static ssize_t bcm43xx_attr_interfmode_store(struct device *dev, return -EINVAL; } - bcm43xx_lock_irqsafe(bcm, flags); + mutex_lock(&bcm->mutex); + spin_lock_irqsave(&bcm->irq_lock, flags); err = bcm43xx_radio_set_interference_mitigation(bcm, mode); if (err) { @@ -237,7 +244,8 @@ static ssize_t bcm43xx_attr_interfmode_store(struct device *dev, "supported by device\n"); } mmiowb(); - bcm43xx_unlock_irqsafe(bcm, flags); + spin_unlock_irqrestore(&bcm->irq_lock, flags); + mutex_unlock(&bcm->mutex); return err ? err : count; } @@ -257,7 +265,7 @@ static ssize_t bcm43xx_attr_preamble_show(struct device *dev, if (!capable(CAP_NET_ADMIN)) return -EPERM; - bcm43xx_lock_noirq(bcm); + mutex_lock(&bcm->mutex); if (bcm->short_preamble) count = snprintf(buf, PAGE_SIZE, "1 (Short Preamble enabled)\n"); @@ -265,7 +273,7 @@ static ssize_t bcm43xx_attr_preamble_show(struct device *dev, count = snprintf(buf, PAGE_SIZE, "0 (Short Preamble disabled)\n"); err = 0; - bcm43xx_unlock_noirq(bcm); + mutex_unlock(&bcm->mutex); return err ? err : count; } @@ -285,12 +293,14 @@ static ssize_t bcm43xx_attr_preamble_store(struct device *dev, value = get_boolean(buf, count); if (value < 0) return value; - bcm43xx_lock_irqsafe(bcm, flags); + mutex_lock(&bcm->mutex); + spin_lock_irqsave(&bcm->irq_lock, flags); bcm->short_preamble = !!value; err = 0; - bcm43xx_unlock_irqsafe(bcm, flags); + spin_unlock_irqrestore(&bcm->irq_lock, flags); + mutex_unlock(&bcm->mutex); return err ? err : count; } @@ -299,6 +309,126 @@ 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_periodic_tasks_delete(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; @@ -315,9 +445,19 @@ int bcm43xx_sysfs_register(struct bcm43xx_private *bcm) 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: @@ -329,6 +469,8 @@ 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);