diff options
| author | Larry Finger <Larry.Finger@lwfinger.net> | 2006-09-07 19:12:11 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2006-09-12 03:34:02 +0400 |
| commit | 87d263271b1bbf344c596ac308417ff692ddc851 (patch) | |
| tree | 566f6b682e55f6ae68a73da17ee6e78f771035ef /drivers | |
| parent | 1ef4583ee3e1efab83d05b6ccdad378c9caaa95f (diff) | |
| download | linux-87d263271b1bbf344c596ac308417ff692ddc851.tar.xz | |
[PATCH] bcm43xx: ucode debug status via sysfs
This patch prints out the ucode debug status to sysfs. So, users can
watch the microcode status of their hardware.
Signed-off-by: Martin Langer <martin-langer@gmx.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/bcm43xx/bcm43xx.h | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c | 59 |
2 files changed, 64 insertions, 4 deletions
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx.h b/drivers/net/wireless/bcm43xx/bcm43xx.h index e7d802157803..6d4ea36bc564 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx.h +++ b/drivers/net/wireless/bcm43xx/bcm43xx.h @@ -307,10 +307,11 @@ #define BCM43xx_SBF_80000000 0x80000000 /*FIXME: fix name*/ /* Microcode */ -#define BCM43xx_UCODE_REVISION 0x0000 -#define BCM43xx_UCODE_PATCHLEVEL 0x0002 -#define BCM43xx_UCODE_DATE 0x0004 -#define BCM43xx_UCODE_TIME 0x0006 +#define BCM43xx_UCODE_REVISION 0x0000 +#define BCM43xx_UCODE_PATCHLEVEL 0x0002 +#define BCM43xx_UCODE_DATE 0x0004 +#define BCM43xx_UCODE_TIME 0x0006 +#define BCM43xx_UCODE_STATUS 0x0040 /* MicrocodeFlagsBitfield (addr + lo-word values?)*/ #define BCM43xx_UCODEFLAGS_OFFSET 0x005E diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c index a16400d9ff4b..b2bc5a9b6245 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c @@ -376,6 +376,59 @@ 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; @@ -395,9 +448,14 @@ int bcm43xx_sysfs_register(struct bcm43xx_private *bcm) 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: @@ -411,6 +469,7 @@ 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); |