diff options
Diffstat (limited to 'drivers/net/wireless/bcm43xx')
| -rw-r--r-- | drivers/net/wireless/bcm43xx/bcm43xx_dma.c | 28 | ||||
| -rw-r--r-- | drivers/net/wireless/bcm43xx/bcm43xx_dma.h | 18 | ||||
| -rw-r--r-- | drivers/net/wireless/bcm43xx/bcm43xx_leds.c | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/bcm43xx/bcm43xx_leds.h | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/bcm43xx/bcm43xx_main.c | 72 | ||||
| -rw-r--r-- | drivers/net/wireless/bcm43xx/bcm43xx_wx.c | 2 |
6 files changed, 102 insertions, 33 deletions
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_dma.c b/drivers/net/wireless/bcm43xx/bcm43xx_dma.c index 76e3aed4b47..978ed099e28 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_dma.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_dma.c @@ -705,11 +705,30 @@ int bcm43xx_dma_init(struct bcm43xx_private *bcm) struct bcm43xx_dmaring *ring; int err = -ENOMEM; int dma64 = 0; - u32 sbtmstatehi; + u64 mask = bcm43xx_get_supported_dma_mask(bcm); + int nobits; - sbtmstatehi = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH); - if (sbtmstatehi & BCM43xx_SBTMSTATEHIGH_DMA64BIT) + if (mask == DMA_64BIT_MASK) { dma64 = 1; + nobits = 64; + } else if (mask == DMA_32BIT_MASK) + nobits = 32; + else + nobits = 30; + err = pci_set_dma_mask(bcm->pci_dev, mask); + err |= pci_set_consistent_dma_mask(bcm->pci_dev, mask); + if (err) { +#ifdef CONFIG_BCM43XX_PIO + printk(KERN_WARNING PFX "DMA not supported on this device." + " Falling back to PIO.\n"); + bcm->__using_pio = 1; + return -ENOSYS; +#else + printk(KERN_ERR PFX "FATAL: DMA not supported and PIO not configured. " + "Please recompile the driver with PIO support.\n"); + return -ENODEV; +#endif /* CONFIG_BCM43XX_PIO */ + } /* setup TX DMA channels. */ ring = bcm43xx_setup_dmaring(bcm, 0, 1, dma64); @@ -755,8 +774,7 @@ int bcm43xx_dma_init(struct bcm43xx_private *bcm) dma->rx_ring3 = ring; } - dprintk(KERN_INFO PFX "%s DMA initialized\n", - dma64 ? "64-bit" : "32-bit"); + dprintk(KERN_INFO PFX "%d-bit DMA initialized\n", nobits); err = 0; out: return err; diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_dma.h b/drivers/net/wireless/bcm43xx/bcm43xx_dma.h index e04bcaddd1d..d1105e569a4 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_dma.h +++ b/drivers/net/wireless/bcm43xx/bcm43xx_dma.h @@ -4,6 +4,7 @@ #include <linux/list.h> #include <linux/spinlock.h> #include <linux/workqueue.h> +#include <linux/dma-mapping.h> #include <linux/linkage.h> #include <asm/atomic.h> @@ -314,6 +315,23 @@ int bcm43xx_dma_tx(struct bcm43xx_private *bcm, struct ieee80211_txb *txb); void bcm43xx_dma_rx(struct bcm43xx_dmaring *ring); +/* Helper function that returns the dma mask for this device. */ +static inline +u64 bcm43xx_get_supported_dma_mask(struct bcm43xx_private *bcm) +{ + int dma64 = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH) & + BCM43xx_SBTMSTATEHIGH_DMA64BIT; + u16 mmio_base = bcm43xx_dmacontroller_base(dma64, 0); + u32 mask = BCM43xx_DMA32_TXADDREXT_MASK; + + if (dma64) + return DMA_64BIT_MASK; + bcm43xx_write32(bcm, mmio_base + BCM43xx_DMA32_TXCTL, mask); + if (bcm43xx_read32(bcm, mmio_base + BCM43xx_DMA32_TXCTL) & mask) + return DMA_32BIT_MASK; + return DMA_30BIT_MASK; +} + #else /* CONFIG_BCM43XX_DMA */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_leds.c b/drivers/net/wireless/bcm43xx/bcm43xx_leds.c index c3f90c8563d..7d383a27b92 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_leds.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_leds.c @@ -189,20 +189,24 @@ void bcm43xx_leds_update(struct bcm43xx_private *bcm, int activity) case BCM43xx_LED_INACTIVE: continue; case BCM43xx_LED_OFF: + case BCM43xx_LED_BCM4303_3: break; case BCM43xx_LED_ON: turn_on = 1; break; case BCM43xx_LED_ACTIVITY: + case BCM43xx_LED_BCM4303_0: turn_on = activity; break; case BCM43xx_LED_RADIO_ALL: turn_on = radio->enabled; break; case BCM43xx_LED_RADIO_A: + case BCM43xx_LED_BCM4303_2: turn_on = (radio->enabled && phy->type == BCM43xx_PHYTYPE_A); break; case BCM43xx_LED_RADIO_B: + case BCM43xx_LED_BCM4303_1: turn_on = (radio->enabled && (phy->type == BCM43xx_PHYTYPE_B || phy->type == BCM43xx_PHYTYPE_G)); @@ -242,7 +246,7 @@ void bcm43xx_leds_update(struct bcm43xx_private *bcm, int activity) //TODO break; case BCM43xx_LED_ASSOC: - if (bcm->softmac->associated) + if (bcm->softmac->associnfo.associated) turn_on = 1; break; #ifdef CONFIG_BCM43XX_DEBUG @@ -257,7 +261,8 @@ void bcm43xx_leds_update(struct bcm43xx_private *bcm, int activity) continue; #endif /* CONFIG_BCM43XX_DEBUG */ default: - assert(0); + dprintkl(KERN_INFO PFX "Bad value in leds_update," + " led->behaviour: 0x%x\n", led->behaviour); }; if (led->activelow) diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_leds.h b/drivers/net/wireless/bcm43xx/bcm43xx_leds.h index d3716cf3aeb..811e14a8119 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_leds.h +++ b/drivers/net/wireless/bcm43xx/bcm43xx_leds.h @@ -46,6 +46,12 @@ enum { /* LED behaviour values */ BCM43xx_LED_TEST_BLINKSLOW, BCM43xx_LED_TEST_BLINKMEDIUM, BCM43xx_LED_TEST_BLINKFAST, + + /* Misc values for BCM4303 */ + BCM43xx_LED_BCM4303_0 = 0x2B, + BCM43xx_LED_BCM4303_1 = 0x78, + BCM43xx_LED_BCM4303_2 = 0x2E, + BCM43xx_LED_BCM4303_3 = 0x19, }; int bcm43xx_leds_init(struct bcm43xx_private *bcm); diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c index bad3452ea89..a1b783813d8 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c @@ -746,7 +746,7 @@ int bcm43xx_sprom_write(struct bcm43xx_private *bcm, const u16 *sprom) if (err) goto err_ctlreg; spromctl |= 0x10; /* SPROM WRITE enable. */ - bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_SPROMCTL, spromctl); + err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_SPROMCTL, spromctl); if (err) goto err_ctlreg; /* We must burn lots of CPU cycles here, but that does not @@ -768,7 +768,7 @@ int bcm43xx_sprom_write(struct bcm43xx_private *bcm, const u16 *sprom) mdelay(20); } spromctl &= ~0x10; /* SPROM WRITE enable. */ - bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_SPROMCTL, spromctl); + err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_SPROMCTL, spromctl); if (err) goto err_ctlreg; mdelay(500); @@ -1463,6 +1463,23 @@ static void handle_irq_transmit_status(struct bcm43xx_private *bcm) } } +static void drain_txstatus_queue(struct bcm43xx_private *bcm) +{ + u32 dummy; + + if (bcm->current_core->rev < 5) + return; + /* Read all entries from the microcode TXstatus FIFO + * and throw them away. + */ + while (1) { + dummy = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_0); + if (!dummy) + break; + dummy = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_1); + } +} + static void bcm43xx_generate_noise_sample(struct bcm43xx_private *bcm) { bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x408, 0x7F7F); @@ -2925,10 +2942,13 @@ static int bcm43xx_wireless_core_init(struct bcm43xx_private *bcm, bcm43xx_write16(bcm, 0x043C, 0x000C); if (active_wlcore) { - if (bcm43xx_using_pio(bcm)) + if (bcm43xx_using_pio(bcm)) { err = bcm43xx_pio_init(bcm); - else + } else { err = bcm43xx_dma_init(bcm); + if (err == -ENOSYS) + err = bcm43xx_pio_init(bcm); + } if (err) goto err_chip_cleanup; } @@ -3160,17 +3180,30 @@ static int estimate_periodic_work_badness(unsigned int state) static void bcm43xx_periodic_work_handler(void *d) { struct bcm43xx_private *bcm = d; + struct net_device *net_dev = bcm->net_dev; unsigned long flags; u32 savedirqs = 0; int badness; + unsigned long orig_trans_start = 0; + mutex_lock(&bcm->mutex); badness = estimate_periodic_work_badness(bcm->periodic_state); if (badness > BADNESS_LIMIT) { /* Periodic work will take a long time, so we want it to * be preemtible. */ - mutex_lock(&bcm->mutex); - netif_tx_disable(bcm->net_dev); + + netif_tx_lock_bh(net_dev); + /* We must fake a started transmission here, as we are going to + * disable TX. If we wouldn't fake a TX, it would be possible to + * trigger the netdev watchdog, if the last real TX is already + * some time on the past (slightly less than 5secs) + */ + orig_trans_start = net_dev->trans_start; + net_dev->trans_start = jiffies; + netif_stop_queue(net_dev); + netif_tx_unlock_bh(net_dev); + spin_lock_irqsave(&bcm->irq_lock, flags); bcm43xx_mac_suspend(bcm); if (bcm43xx_using_pio(bcm)) @@ -3182,7 +3215,6 @@ static void bcm43xx_periodic_work_handler(void *d) /* Periodic work should take short time, so we want low * locking overhead. */ - mutex_lock(&bcm->mutex); spin_lock_irqsave(&bcm->irq_lock, flags); } @@ -3196,6 +3228,7 @@ static void bcm43xx_periodic_work_handler(void *d) bcm43xx_pio_thaw_txqueues(bcm); bcm43xx_mac_enable(bcm); netif_wake_queue(bcm->net_dev); + net_dev->trans_start = orig_trans_start; } mmiowb(); spin_unlock_irqrestore(&bcm->irq_lock, flags); @@ -3516,6 +3549,7 @@ int bcm43xx_select_wireless_core(struct bcm43xx_private *bcm, bcm43xx_macfilter_clear(bcm, BCM43xx_MACFILTER_ASSOC); bcm43xx_macfilter_set(bcm, BCM43xx_MACFILTER_SELF, (u8 *)(bcm->net_dev->dev_addr)); bcm43xx_security_init(bcm); + drain_txstatus_queue(bcm); ieee80211softmac_start(bcm->net_dev); /* Let's go! Be careful after enabling the IRQs. @@ -3993,8 +4027,6 @@ static int bcm43xx_init_private(struct bcm43xx_private *bcm, struct net_device *net_dev, struct pci_dev *pci_dev) { - int err; - bcm43xx_set_status(bcm, BCM43xx_STAT_UNINIT); bcm->ieee = netdev_priv(net_dev); bcm->softmac = ieee80211_priv(net_dev); @@ -4012,22 +4044,8 @@ static int bcm43xx_init_private(struct bcm43xx_private *bcm, (void (*)(unsigned long))bcm43xx_interrupt_tasklet, (unsigned long)bcm); tasklet_disable_nosync(&bcm->isr_tasklet); - if (modparam_pio) { + if (modparam_pio) bcm->__using_pio = 1; - } else { - err = pci_set_dma_mask(pci_dev, DMA_30BIT_MASK); - err |= pci_set_consistent_dma_mask(pci_dev, DMA_30BIT_MASK); - if (err) { -#ifdef CONFIG_BCM43XX_PIO - printk(KERN_WARNING PFX "DMA not supported. Falling back to PIO.\n"); - bcm->__using_pio = 1; -#else - printk(KERN_ERR PFX "FATAL: DMA not supported and PIO not configured. " - "Recompile the driver with PIO support, please.\n"); - return -ENODEV; -#endif /* CONFIG_BCM43XX_PIO */ - } - } bcm->rts_threshold = BCM43xx_DEFAULT_RTS_THRESHOLD; /* default to sw encryption for now */ @@ -4208,7 +4226,11 @@ static int bcm43xx_resume(struct pci_dev *pdev) dprintk(KERN_INFO PFX "Resuming...\n"); pci_set_power_state(pdev, 0); - pci_enable_device(pdev); + err = pci_enable_device(pdev); + if (err) { + printk(KERN_ERR PFX "Failure with pci_enable_device!\n"); + return err; + } pci_restore_state(pdev); bcm43xx_chipset_attach(bcm); diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_wx.c b/drivers/net/wireless/bcm43xx/bcm43xx_wx.c index 9b7b15cf656..d27016f8c73 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_wx.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_wx.c @@ -847,7 +847,7 @@ static struct iw_statistics *bcm43xx_get_wireless_stats(struct net_device *net_d unsigned long flags; wstats = &bcm->stats.wstats; - if (!mac->associated) { + if (!mac->associnfo.associated) { wstats->miss.beacon = 0; // bcm->ieee->ieee_stats.tx_retry_limit_exceeded = 0; // FIXME: should this be cleared here? wstats->discard.retries = 0; |