diff options
Diffstat (limited to 'drivers/net/wireless/bcm43xx')
-rw-r--r-- | drivers/net/wireless/bcm43xx/bcm43xx.h | 7 | ||||
-rw-r--r-- | drivers/net/wireless/bcm43xx/bcm43xx_main.c | 78 | ||||
-rw-r--r-- | drivers/net/wireless/bcm43xx/bcm43xx_main.h | 3 | ||||
-rw-r--r-- | drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c | 74 |
4 files changed, 125 insertions, 37 deletions
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx.h b/drivers/net/wireless/bcm43xx/bcm43xx.h index 62fd7e237789..6d4ea36bc564 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx.h +++ b/drivers/net/wireless/bcm43xx/bcm43xx.h @@ -306,6 +306,13 @@ #define BCM43xx_SBF_TIME_UPDATE 0x10000000 #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_STATUS 0x0040 + /* MicrocodeFlagsBitfield (addr + lo-word values?)*/ #define BCM43xx_UCODEFLAGS_OFFSET 0x005E diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c index 966815be6955..cb9a3ae8463a 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c @@ -519,6 +519,7 @@ static int bcm43xx_disable_interrupts_sync(struct bcm43xx_private *bcm) return -EBUSY; } bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); + bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK); /* flush */ spin_unlock_irqrestore(&bcm->irq_lock, flags); bcm43xx_synchronize_irq(bcm); @@ -1545,17 +1546,7 @@ static void handle_irq_noise(struct bcm43xx_private *bcm) else average -= 48; -/* FIXME: This is wrong, but people want fancy stats. well... */ -bcm->stats.noise = average; - if (average > -65) - bcm->stats.link_quality = 0; - else if (average > -75) - bcm->stats.link_quality = 1; - else if (average > -85) - bcm->stats.link_quality = 2; - else - bcm->stats.link_quality = 3; -// dprintk(KERN_INFO PFX "Link Quality: %u (avg was %d)\n", bcm->stats.link_quality, average); + bcm->stats.noise = average; drop_calculation: bcm->noisecalc.calculation_running = 0; return; @@ -2393,6 +2384,33 @@ static int bcm43xx_chip_init(struct bcm43xx_private *bcm) } bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */ + value16 = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODE_REVISION); + + dprintk(KERN_INFO PFX "Microcode rev 0x%x, pl 0x%x " + "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", value16, + bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODE_PATCHLEVEL), + (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODE_DATE) >> 12) & 0xf, + (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODE_DATE) >> 8) & 0xf, + bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODE_DATE) & 0xff, + (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODE_TIME) >> 11) & 0x1f, + (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODE_TIME) >> 5) & 0x3f, + bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, + BCM43xx_UCODE_TIME) & 0x1f); + + if ( value16 > 0x128 ) { + dprintk(KERN_ERR PFX + "Firmware: no support for microcode rev > 0x128\n"); + err = -1; + goto err_release_fw; + } + err = bcm43xx_gpio_init(bcm); if (err) goto err_release_fw; @@ -3150,6 +3168,7 @@ static void bcm43xx_periodic_work_handler(void *d) /* Periodic work will take a long time, so we want it to * be preemtible. */ + mutex_lock(&bcm->mutex); netif_stop_queue(bcm->net_dev); synchronize_net(); spin_lock_irqsave(&bcm->irq_lock, flags); @@ -3158,7 +3177,6 @@ static void bcm43xx_periodic_work_handler(void *d) bcm43xx_pio_freeze_txqueues(bcm); savedirqs = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); spin_unlock_irqrestore(&bcm->irq_lock, flags); - mutex_lock(&bcm->mutex); bcm43xx_synchronize_irq(bcm); } else { /* Periodic work should take short time, so we want low @@ -3172,13 +3190,11 @@ static void bcm43xx_periodic_work_handler(void *d) if (badness > BADNESS_LIMIT) { spin_lock_irqsave(&bcm->irq_lock, flags); - if (likely(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED)) { - tasklet_enable(&bcm->isr_tasklet); - bcm43xx_interrupt_enable(bcm, savedirqs); - if (bcm43xx_using_pio(bcm)) - bcm43xx_pio_thaw_txqueues(bcm); - bcm43xx_mac_enable(bcm); - } + tasklet_enable(&bcm->isr_tasklet); + bcm43xx_interrupt_enable(bcm, savedirqs); + if (bcm43xx_using_pio(bcm)) + bcm43xx_pio_thaw_txqueues(bcm); + bcm43xx_mac_enable(bcm); netif_wake_queue(bcm->net_dev); } mmiowb(); @@ -3186,12 +3202,12 @@ static void bcm43xx_periodic_work_handler(void *d) mutex_unlock(&bcm->mutex); } -static void bcm43xx_periodic_tasks_delete(struct bcm43xx_private *bcm) +void bcm43xx_periodic_tasks_delete(struct bcm43xx_private *bcm) { cancel_rearming_delayed_work(&bcm->periodic_work); } -static void bcm43xx_periodic_tasks_setup(struct bcm43xx_private *bcm) +void bcm43xx_periodic_tasks_setup(struct bcm43xx_private *bcm) { struct work_struct *work = &(bcm->periodic_work); @@ -3539,14 +3555,13 @@ static int bcm43xx_init_board(struct bcm43xx_private *bcm) err = bcm43xx_select_wireless_core(bcm, -1); if (err) goto err_crystal_off; - - bcm43xx_periodic_tasks_setup(bcm); err = bcm43xx_sysfs_register(bcm); if (err) goto err_wlshutdown; err = bcm43xx_rng_init(bcm); if (err) goto err_sysfs_unreg; + bcm43xx_periodic_tasks_setup(bcm); /*FIXME: This should be handled by softmac instead. */ schedule_work(&bcm->softmac->associnfo.work); @@ -3969,6 +3984,7 @@ static int bcm43xx_net_stop(struct net_device *net_dev) err = bcm43xx_disable_interrupts_sync(bcm); assert(!err); bcm43xx_free_board(bcm); + flush_scheduled_work(); return 0; } @@ -4119,11 +4135,16 @@ static void bcm43xx_chip_reset(void *_bcm) { struct bcm43xx_private *bcm = _bcm; struct bcm43xx_phyinfo *phy; - int err; + int err = -ENODEV; mutex_lock(&(bcm)->mutex); - phy = bcm43xx_current_phy(bcm); - err = bcm43xx_select_wireless_core(bcm, phy->type); + if (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED) { + bcm43xx_periodic_tasks_delete(bcm); + phy = bcm43xx_current_phy(bcm); + err = bcm43xx_select_wireless_core(bcm, phy->type); + if (!err) + bcm43xx_periodic_tasks_setup(bcm); + } mutex_unlock(&(bcm)->mutex); printk(KERN_ERR PFX "Controller restart%s\n", @@ -4132,11 +4153,12 @@ static void bcm43xx_chip_reset(void *_bcm) /* Hard-reset the chip. * This can be called from interrupt or process context. + * bcm->irq_lock must be locked. */ void bcm43xx_controller_restart(struct bcm43xx_private *bcm, const char *reason) { - assert(bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZED); - bcm43xx_set_status(bcm, BCM43xx_STAT_RESTARTING); + if (bcm43xx_status(bcm) != BCM43xx_STAT_INITIALIZED) + return; printk(KERN_ERR PFX "Controller RESET (%s) ...\n", reason); INIT_WORK(&bcm->restart_work, bcm43xx_chip_reset, bcm); schedule_work(&bcm->restart_work); diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.h b/drivers/net/wireless/bcm43xx/bcm43xx_main.h index 505c86e2007a..f76357178e4d 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_main.h +++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.h @@ -141,6 +141,9 @@ void bcm43xx_wireless_core_reset(struct bcm43xx_private *bcm, int connect_phy); void bcm43xx_mac_suspend(struct bcm43xx_private *bcm); void bcm43xx_mac_enable(struct bcm43xx_private *bcm); +void bcm43xx_periodic_tasks_delete(struct bcm43xx_private *bcm); +void bcm43xx_periodic_tasks_setup(struct bcm43xx_private *bcm); + void bcm43xx_controller_restart(struct bcm43xx_private *bcm, const char *reason); int bcm43xx_sprom_read(struct bcm43xx_private *bcm, u16 *sprom); diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c index ece335178f6a..c71b998a3694 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_sysfs.c @@ -176,7 +176,6 @@ static ssize_t bcm43xx_attr_interfmode_show(struct device *dev, char *buf) { struct bcm43xx_private *bcm = dev_to_bcm(dev); - int err; ssize_t count = 0; if (!capable(CAP_NET_ADMIN)) @@ -197,11 +196,10 @@ static ssize_t bcm43xx_attr_interfmode_show(struct device *dev, default: assert(0); } - err = 0; mutex_unlock(&bcm->mutex); - return err ? err : count; + return count; } @@ -259,7 +257,6 @@ static ssize_t bcm43xx_attr_preamble_show(struct device *dev, char *buf) { struct bcm43xx_private *bcm = dev_to_bcm(dev); - int err; ssize_t count; if (!capable(CAP_NET_ADMIN)) @@ -272,10 +269,9 @@ static ssize_t bcm43xx_attr_preamble_show(struct device *dev, else count = snprintf(buf, PAGE_SIZE, "0 (Short Preamble disabled)\n"); - err = 0; mutex_unlock(&bcm->mutex); - return err ? err : count; + return count; } static ssize_t bcm43xx_attr_preamble_store(struct device *dev, @@ -284,7 +280,6 @@ static ssize_t bcm43xx_attr_preamble_store(struct device *dev, { struct bcm43xx_private *bcm = dev_to_bcm(dev); unsigned long flags; - int err; int value; if (!capable(CAP_NET_ADMIN)) @@ -298,11 +293,10 @@ static ssize_t bcm43xx_attr_preamble_store(struct device *dev, bcm->short_preamble = !!value; - err = 0; spin_unlock_irqrestore(&bcm->irq_lock, flags); mutex_unlock(&bcm->mutex); - return err ? err : count; + return count; } static DEVICE_ATTR(shortpreamble, 0644, @@ -333,8 +327,11 @@ static ssize_t bcm43xx_attr_phymode_store(struct device *dev, 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; @@ -373,6 +370,59 @@ 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; @@ -392,9 +442,14 @@ 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: @@ -408,6 +463,7 @@ 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); |