diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00')
22 files changed, 1796 insertions, 726 deletions
diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig index 6f383cd684b..f630552427b 100644 --- a/drivers/net/wireless/rt2x00/Kconfig +++ b/drivers/net/wireless/rt2x00/Kconfig @@ -97,6 +97,18 @@ config RT2800PCI_RT35XX Support for these devices is non-functional at the moment and is intended for testers and developers. +config RT2800PCI_RT53XX + bool "rt2800-pci - Include support for rt53xx devices (EXPERIMENTAL)" + depends on EXPERIMENTAL + default n + ---help--- + This adds support for rt53xx wireless chipset family to the + rt2800pci driver. + Supported chips: RT5390 + + Support for these devices is non-functional at the moment and is + intended for testers and developers. + endif config RT2500USB diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c index 54ca49ad347..329f3283697 100644 --- a/drivers/net/wireless/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/rt2x00/rt2400pci.c @@ -46,7 +46,7 @@ * These indirect registers work with busy bits, * and we will try maximal REGISTER_BUSY_COUNT times to access * the register while taking a REGISTER_BUSY_DELAY us delay - * between each attampt. When the busy bit is still set at that time, + * between each attempt. When the busy bit is still set at that time, * the access attempt is considered to have failed, * and we will print an error. */ @@ -305,9 +305,7 @@ static void rt2400pci_config_intf(struct rt2x00_dev *rt2x00dev, * Enable synchronisation. */ rt2x00pci_register_read(rt2x00dev, CSR14, ®); - rt2x00_set_field32(®, CSR14_TSF_COUNT, 1); rt2x00_set_field32(®, CSR14_TSF_SYNC, conf->sync); - rt2x00_set_field32(®, CSR14_TBCN, 1); rt2x00pci_register_write(rt2x00dev, CSR14, reg); } @@ -647,6 +645,11 @@ static void rt2400pci_start_queue(struct data_queue *queue) rt2x00pci_register_write(rt2x00dev, RXCSR0, reg); break; case QID_BEACON: + /* + * Allow the tbtt tasklet to be scheduled. + */ + tasklet_enable(&rt2x00dev->tbtt_tasklet); + rt2x00pci_register_read(rt2x00dev, CSR14, ®); rt2x00_set_field32(®, CSR14_TSF_COUNT, 1); rt2x00_set_field32(®, CSR14_TBCN, 1); @@ -708,6 +711,11 @@ static void rt2400pci_stop_queue(struct data_queue *queue) rt2x00_set_field32(®, CSR14_TBCN, 0); rt2x00_set_field32(®, CSR14_BEACON_GEN, 0); rt2x00pci_register_write(rt2x00dev, CSR14, reg); + + /* + * Wait for possibly running tbtt tasklets. + */ + tasklet_disable(&rt2x00dev->tbtt_tasklet); break; default: break; @@ -771,7 +779,7 @@ static int rt2400pci_init_queues(struct rt2x00_dev *rt2x00dev) rt2x00pci_register_read(rt2x00dev, TXCSR2, ®); rt2x00_set_field32(®, TXCSR2_TXD_SIZE, rt2x00dev->tx[0].desc_size); rt2x00_set_field32(®, TXCSR2_NUM_TXD, rt2x00dev->tx[1].limit); - rt2x00_set_field32(®, TXCSR2_NUM_ATIM, rt2x00dev->bcn[1].limit); + rt2x00_set_field32(®, TXCSR2_NUM_ATIM, rt2x00dev->atim->limit); rt2x00_set_field32(®, TXCSR2_NUM_PRIO, rt2x00dev->tx[0].limit); rt2x00pci_register_write(rt2x00dev, TXCSR2, reg); @@ -787,13 +795,13 @@ static int rt2400pci_init_queues(struct rt2x00_dev *rt2x00dev) entry_priv->desc_dma); rt2x00pci_register_write(rt2x00dev, TXCSR5, reg); - entry_priv = rt2x00dev->bcn[1].entries[0].priv_data; + entry_priv = rt2x00dev->atim->entries[0].priv_data; rt2x00pci_register_read(rt2x00dev, TXCSR4, ®); rt2x00_set_field32(®, TXCSR4_ATIM_RING_REGISTER, entry_priv->desc_dma); rt2x00pci_register_write(rt2x00dev, TXCSR4, reg); - entry_priv = rt2x00dev->bcn[0].entries[0].priv_data; + entry_priv = rt2x00dev->bcn->entries[0].priv_data; rt2x00pci_register_read(rt2x00dev, TXCSR6, ®); rt2x00_set_field32(®, TXCSR6_BEACON_RING_REGISTER, entry_priv->desc_dma); @@ -963,9 +971,9 @@ static int rt2400pci_init_bbp(struct rt2x00_dev *rt2x00dev) static void rt2400pci_toggle_irq(struct rt2x00_dev *rt2x00dev, enum dev_state state) { - int mask = (state == STATE_RADIO_IRQ_OFF) || - (state == STATE_RADIO_IRQ_OFF_ISR); + int mask = (state == STATE_RADIO_IRQ_OFF); u32 reg; + unsigned long flags; /* * When interrupts are being enabled, the interrupt registers @@ -974,12 +982,20 @@ static void rt2400pci_toggle_irq(struct rt2x00_dev *rt2x00dev, if (state == STATE_RADIO_IRQ_ON) { rt2x00pci_register_read(rt2x00dev, CSR7, ®); rt2x00pci_register_write(rt2x00dev, CSR7, reg); + + /* + * Enable tasklets. + */ + tasklet_enable(&rt2x00dev->txstatus_tasklet); + tasklet_enable(&rt2x00dev->rxdone_tasklet); } /* * Only toggle the interrupts bits we are going to use. * Non-checked interrupt bits are disabled by default. */ + spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags); + rt2x00pci_register_read(rt2x00dev, CSR8, ®); rt2x00_set_field32(®, CSR8_TBCN_EXPIRE, mask); rt2x00_set_field32(®, CSR8_TXDONE_TXRING, mask); @@ -987,6 +1003,17 @@ static void rt2400pci_toggle_irq(struct rt2x00_dev *rt2x00dev, rt2x00_set_field32(®, CSR8_TXDONE_PRIORING, mask); rt2x00_set_field32(®, CSR8_RXDONE, mask); rt2x00pci_register_write(rt2x00dev, CSR8, reg); + + spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags); + + if (state == STATE_RADIO_IRQ_OFF) { + /* + * Ensure that all tasklets are finished before + * disabling the interrupts. + */ + tasklet_disable(&rt2x00dev->txstatus_tasklet); + tasklet_disable(&rt2x00dev->rxdone_tasklet); + } } static int rt2400pci_enable_radio(struct rt2x00_dev *rt2x00dev) @@ -1059,9 +1086,7 @@ static int rt2400pci_set_device_state(struct rt2x00_dev *rt2x00dev, rt2400pci_disable_radio(rt2x00dev); break; case STATE_RADIO_IRQ_ON: - case STATE_RADIO_IRQ_ON_ISR: case STATE_RADIO_IRQ_OFF: - case STATE_RADIO_IRQ_OFF_ISR: rt2400pci_toggle_irq(rt2x00dev, state); break; case STATE_DEEP_SLEEP: @@ -1106,19 +1131,21 @@ static void rt2400pci_write_tx_desc(struct queue_entry *entry, rt2x00_desc_write(txd, 2, word); rt2x00_desc_read(txd, 3, &word); - rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL, txdesc->signal); + rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL, txdesc->u.plcp.signal); rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL_REGNUM, 5); rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL_BUSY, 1); - rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE, txdesc->service); + rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE, txdesc->u.plcp.service); rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE_REGNUM, 6); rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE_BUSY, 1); rt2x00_desc_write(txd, 3, word); rt2x00_desc_read(txd, 4, &word); - rt2x00_set_field32(&word, TXD_W4_PLCP_LENGTH_LOW, txdesc->length_low); + rt2x00_set_field32(&word, TXD_W4_PLCP_LENGTH_LOW, + txdesc->u.plcp.length_low); rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_LOW_REGNUM, 8); rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_LOW_BUSY, 1); - rt2x00_set_field32(&word, TXD_W4_PLCP_LENGTH_HIGH, txdesc->length_high); + rt2x00_set_field32(&word, TXD_W4_PLCP_LENGTH_HIGH, + txdesc->u.plcp.length_high); rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_HIGH_REGNUM, 7); rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_HIGH_BUSY, 1); rt2x00_desc_write(txd, 4, word); @@ -1139,7 +1166,7 @@ static void rt2400pci_write_tx_desc(struct queue_entry *entry, test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W0_RTS, test_bit(ENTRY_TXD_RTS_FRAME, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs); + rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->u.plcp.ifs); rt2x00_set_field32(&word, TXD_W0_RETRY_MODE, test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags)); rt2x00_desc_write(txd, 0, word); @@ -1183,8 +1210,6 @@ static void rt2400pci_write_beacon(struct queue_entry *entry, /* * Enable beaconing again. */ - rt2x00_set_field32(®, CSR14_TSF_COUNT, 1); - rt2x00_set_field32(®, CSR14_TBCN, 1); rt2x00_set_field32(®, CSR14_BEACON_GEN, 1); rt2x00pci_register_write(rt2x00dev, CSR14, reg); } @@ -1253,7 +1278,7 @@ static void rt2400pci_fill_rxdone(struct queue_entry *entry, static void rt2400pci_txdone(struct rt2x00_dev *rt2x00dev, const enum data_queue_qid queue_idx) { - struct data_queue *queue = rt2x00queue_get_queue(rt2x00dev, queue_idx); + struct data_queue *queue = rt2x00queue_get_tx_queue(rt2x00dev, queue_idx); struct queue_entry_priv_pci *entry_priv; struct queue_entry *entry; struct txdone_entry_desc txdesc; @@ -1289,57 +1314,68 @@ static void rt2400pci_txdone(struct rt2x00_dev *rt2x00dev, } } -static irqreturn_t rt2400pci_interrupt_thread(int irq, void *dev_instance) +static void rt2400pci_enable_interrupt(struct rt2x00_dev *rt2x00dev, + struct rt2x00_field32 irq_field) { - struct rt2x00_dev *rt2x00dev = dev_instance; - u32 reg = rt2x00dev->irqvalue[0]; + u32 reg; /* - * Handle interrupts, walk through all bits - * and run the tasks, the bits are checked in order of - * priority. + * Enable a single interrupt. The interrupt mask register + * access needs locking. */ + spin_lock_irq(&rt2x00dev->irqmask_lock); - /* - * 1 - Beacon timer expired interrupt. - */ - if (rt2x00_get_field32(reg, CSR7_TBCN_EXPIRE)) - rt2x00lib_beacondone(rt2x00dev); + rt2x00pci_register_read(rt2x00dev, CSR8, ®); + rt2x00_set_field32(®, irq_field, 0); + rt2x00pci_register_write(rt2x00dev, CSR8, reg); - /* - * 2 - Rx ring done interrupt. - */ - if (rt2x00_get_field32(reg, CSR7_RXDONE)) - rt2x00pci_rxdone(rt2x00dev); + spin_unlock_irq(&rt2x00dev->irqmask_lock); +} - /* - * 3 - Atim ring transmit done interrupt. - */ - if (rt2x00_get_field32(reg, CSR7_TXDONE_ATIMRING)) - rt2400pci_txdone(rt2x00dev, QID_ATIM); +static void rt2400pci_txstatus_tasklet(unsigned long data) +{ + struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; + u32 reg; /* - * 4 - Priority ring transmit done interrupt. + * Handle all tx queues. */ - if (rt2x00_get_field32(reg, CSR7_TXDONE_PRIORING)) - rt2400pci_txdone(rt2x00dev, QID_AC_VO); + rt2400pci_txdone(rt2x00dev, QID_ATIM); + rt2400pci_txdone(rt2x00dev, QID_AC_VO); + rt2400pci_txdone(rt2x00dev, QID_AC_VI); /* - * 5 - Tx ring transmit done interrupt. + * Enable all TXDONE interrupts again. */ - if (rt2x00_get_field32(reg, CSR7_TXDONE_TXRING)) - rt2400pci_txdone(rt2x00dev, QID_AC_VI); + spin_lock_irq(&rt2x00dev->irqmask_lock); - /* Enable interrupts again. */ - rt2x00dev->ops->lib->set_device_state(rt2x00dev, - STATE_RADIO_IRQ_ON_ISR); - return IRQ_HANDLED; + rt2x00pci_register_read(rt2x00dev, CSR8, ®); + rt2x00_set_field32(®, CSR8_TXDONE_TXRING, 0); + rt2x00_set_field32(®, CSR8_TXDONE_ATIMRING, 0); + rt2x00_set_field32(®, CSR8_TXDONE_PRIORING, 0); + rt2x00pci_register_write(rt2x00dev, CSR8, reg); + + spin_unlock_irq(&rt2x00dev->irqmask_lock); +} + +static void rt2400pci_tbtt_tasklet(unsigned long data) +{ + struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; + rt2x00lib_beacondone(rt2x00dev); + rt2400pci_enable_interrupt(rt2x00dev, CSR8_TBCN_EXPIRE); +} + +static void rt2400pci_rxdone_tasklet(unsigned long data) +{ + struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; + rt2x00pci_rxdone(rt2x00dev); + rt2400pci_enable_interrupt(rt2x00dev, CSR8_RXDONE); } static irqreturn_t rt2400pci_interrupt(int irq, void *dev_instance) { struct rt2x00_dev *rt2x00dev = dev_instance; - u32 reg; + u32 reg, mask; /* * Get the interrupt sources & saved to local variable. @@ -1354,14 +1390,44 @@ static irqreturn_t rt2400pci_interrupt(int irq, void *dev_instance) if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) return IRQ_HANDLED; - /* Store irqvalues for use in the interrupt thread. */ - rt2x00dev->irqvalue[0] = reg; + mask = reg; - /* Disable interrupts, will be enabled again in the interrupt thread. */ - rt2x00dev->ops->lib->set_device_state(rt2x00dev, - STATE_RADIO_IRQ_OFF_ISR); + /* + * Schedule tasklets for interrupt handling. + */ + if (rt2x00_get_field32(reg, CSR7_TBCN_EXPIRE)) + tasklet_hi_schedule(&rt2x00dev->tbtt_tasklet); - return IRQ_WAKE_THREAD; + if (rt2x00_get_field32(reg, CSR7_RXDONE)) + tasklet_schedule(&rt2x00dev->rxdone_tasklet); + + if (rt2x00_get_field32(reg, CSR7_TXDONE_ATIMRING) || + rt2x00_get_field32(reg, CSR7_TXDONE_PRIORING) || + rt2x00_get_field32(reg, CSR7_TXDONE_TXRING)) { + tasklet_schedule(&rt2x00dev->txstatus_tasklet); + /* + * Mask out all txdone interrupts. + */ + rt2x00_set_field32(&mask, CSR8_TXDONE_TXRING, 1); + rt2x00_set_field32(&mask, CSR8_TXDONE_ATIMRING, 1); + rt2x00_set_field32(&mask, CSR8_TXDONE_PRIORING, 1); + } + + /* + * Disable all interrupts for which a tasklet was scheduled right now, + * the tasklet will reenable the appropriate interrupts. + */ + spin_lock(&rt2x00dev->irqmask_lock); + + rt2x00pci_register_read(rt2x00dev, CSR8, ®); + reg |= mask; + rt2x00pci_register_write(rt2x00dev, CSR8, reg); + + spin_unlock(&rt2x00dev->irqmask_lock); + + + + return IRQ_HANDLED; } /* @@ -1574,6 +1640,7 @@ static int rt2400pci_probe_hw(struct rt2x00_dev *rt2x00dev) */ __set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags); __set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags); + __set_bit(DRIVER_REQUIRE_SW_SEQNO, &rt2x00dev->flags); /* * Set the rssi offset. @@ -1655,7 +1722,9 @@ static const struct ieee80211_ops rt2400pci_mac80211_ops = { static const struct rt2x00lib_ops rt2400pci_rt2x00_ops = { .irq_handler = rt2400pci_interrupt, - .irq_handler_thread = rt2400pci_interrupt_thread, + .txstatus_tasklet = rt2400pci_txstatus_tasklet, + .tbtt_tasklet = rt2400pci_tbtt_tasklet, + .rxdone_tasklet = rt2400pci_rxdone_tasklet, .probe_hw = rt2400pci_probe_hw, .initialize = rt2x00pci_initialize, .uninitialize = rt2x00pci_uninitialize, diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index a9ff26a2772..58277878889 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -293,7 +293,7 @@ static void rt2500pci_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00intf_conf *conf, const unsigned int flags) { - struct data_queue *queue = rt2x00queue_get_queue(rt2x00dev, QID_BEACON); + struct data_queue *queue = rt2x00dev->bcn; unsigned int bcn_preload; u32 reg; @@ -311,9 +311,7 @@ static void rt2500pci_config_intf(struct rt2x00_dev *rt2x00dev, * Enable synchronisation. */ rt2x00pci_register_read(rt2x00dev, CSR14, ®); - rt2x00_set_field32(®, CSR14_TSF_COUNT, 1); rt2x00_set_field32(®, CSR14_TSF_SYNC, conf->sync); - rt2x00_set_field32(®, CSR14_TBCN, 1); rt2x00pci_register_write(rt2x00dev, CSR14, reg); } @@ -737,6 +735,11 @@ static void rt2500pci_start_queue(struct data_queue *queue) rt2x00pci_register_write(rt2x00dev, RXCSR0, reg); break; case QID_BEACON: + /* + * Allow the tbtt tasklet to be scheduled. + */ + tasklet_enable(&rt2x00dev->tbtt_tasklet); + rt2x00pci_register_read(rt2x00dev, CSR14, ®); rt2x00_set_field32(®, CSR14_TSF_COUNT, 1); rt2x00_set_field32(®, CSR14_TBCN, 1); @@ -798,6 +801,11 @@ static void rt2500pci_stop_queue(struct data_queue *queue) rt2x00_set_field32(®, CSR14_TBCN, 0); rt2x00_set_field32(®, CSR14_BEACON_GEN, 0); rt2x00pci_register_write(rt2x00dev, CSR14, reg); + + /* + * Wait for possibly running tbtt tasklets. + */ + tasklet_disable(&rt2x00dev->tbtt_tasklet); break; default: break; @@ -857,7 +865,7 @@ static int rt2500pci_init_queues(struct rt2x00_dev *rt2x00dev) rt2x00pci_register_read(rt2x00dev, TXCSR2, ®); rt2x00_set_field32(®, TXCSR2_TXD_SIZE, rt2x00dev->tx[0].desc_size); rt2x00_set_field32(®, TXCSR2_NUM_TXD, rt2x00dev->tx[1].limit); - rt2x00_set_field32(®, TXCSR2_NUM_ATIM, rt2x00dev->bcn[1].limit); + rt2x00_set_field32(®, TXCSR2_NUM_ATIM, rt2x00dev->atim->limit); rt2x00_set_field32(®, TXCSR2_NUM_PRIO, rt2x00dev->tx[0].limit); rt2x00pci_register_write(rt2x00dev, TXCSR2, reg); @@ -873,13 +881,13 @@ static int rt2500pci_init_queues(struct rt2x00_dev *rt2x00dev) entry_priv->desc_dma); rt2x00pci_register_write(rt2x00dev, TXCSR5, reg); - entry_priv = rt2x00dev->bcn[1].entries[0].priv_data; + entry_priv = rt2x00dev->atim->entries[0].priv_data; rt2x00pci_register_read(rt2x00dev, TXCSR4, ®); rt2x00_set_field32(®, TXCSR4_ATIM_RING_REGISTER, entry_priv->desc_dma); rt2x00pci_register_write(rt2x00dev, TXCSR4, reg); - entry_priv = rt2x00dev->bcn[0].entries[0].priv_data; + entry_priv = rt2x00dev->bcn->entries[0].priv_data; rt2x00pci_register_read(rt2x00dev, TXCSR6, ®); rt2x00_set_field32(®, TXCSR6_BEACON_RING_REGISTER, entry_priv->desc_dma); @@ -1118,9 +1126,9 @@ static int rt2500pci_init_bbp(struct rt2x00_dev *rt2x00dev) static void rt2500pci_toggle_irq(struct rt2x00_dev *rt2x00dev, enum dev_state state) { - int mask = (state == STATE_RADIO_IRQ_OFF) || - (state == STATE_RADIO_IRQ_OFF_ISR); + int mask = (state == STATE_RADIO_IRQ_OFF); u32 reg; + unsigned long flags; /* * When interrupts are being enabled, the interrupt registers @@ -1129,12 +1137,20 @@ static void rt2500pci_toggle_irq(struct rt2x00_dev *rt2x00dev, if (state == STATE_RADIO_IRQ_ON) { rt2x00pci_register_read(rt2x00dev, CSR7, ®); rt2x00pci_register_write(rt2x00dev, CSR7, reg); + + /* + * Enable tasklets. + */ + tasklet_enable(&rt2x00dev->txstatus_tasklet); + tasklet_enable(&rt2x00dev->rxdone_tasklet); } /* * Only toggle the interrupts bits we are going to use. * Non-checked interrupt bits are disabled by default. */ + spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags); + rt2x00pci_register_read(rt2x00dev, CSR8, ®); rt2x00_set_field32(®, CSR8_TBCN_EXPIRE, mask); rt2x00_set_field32(®, CSR8_TXDONE_TXRING, mask); @@ -1142,6 +1158,16 @@ static void rt2500pci_toggle_irq(struct rt2x00_dev *rt2x00dev, rt2x00_set_field32(®, CSR8_TXDONE_PRIORING, mask); rt2x00_set_field32(®, CSR8_RXDONE, mask); rt2x00pci_register_write(rt2x00dev, CSR8, reg); + + spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags); + + if (state == STATE_RADIO_IRQ_OFF) { + /* + * Ensure that all tasklets are finished. + */ + tasklet_disable(&rt2x00dev->txstatus_tasklet); + tasklet_disable(&rt2x00dev->rxdone_tasklet); + } } static int rt2500pci_enable_radio(struct rt2x00_dev *rt2x00dev) @@ -1214,9 +1240,7 @@ static int rt2500pci_set_device_state(struct rt2x00_dev *rt2x00dev, rt2500pci_disable_radio(rt2x00dev); break; case STATE_RADIO_IRQ_ON: - case STATE_RADIO_IRQ_ON_ISR: case STATE_RADIO_IRQ_OFF: - case STATE_RADIO_IRQ_OFF_ISR: rt2500pci_toggle_irq(rt2x00dev, state); break; case STATE_DEEP_SLEEP: @@ -1263,10 +1287,12 @@ static void rt2500pci_write_tx_desc(struct queue_entry *entry, rt2x00_desc_write(txd, 2, word); rt2x00_desc_read(txd, 3, &word); - rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL, txdesc->signal); - rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE, txdesc->service); - rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_LOW, txdesc->length_low); - rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_HIGH, txdesc->length_high); + rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL, txdesc->u.plcp.signal); + rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE, txdesc->u.plcp.service); + rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_LOW, + txdesc->u.plcp.length_low); + rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_HIGH, + txdesc->u.plcp.length_high); rt2x00_desc_write(txd, 3, word); rt2x00_desc_read(txd, 10, &word); @@ -1291,7 +1317,7 @@ static void rt2500pci_write_tx_desc(struct queue_entry *entry, rt2x00_set_field32(&word, TXD_W0_OFDM, (txdesc->rate_mode == RATE_MODE_OFDM)); rt2x00_set_field32(&word, TXD_W0_CIPHER_OWNER, 1); - rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs); + rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->u.plcp.ifs); rt2x00_set_field32(&word, TXD_W0_RETRY_MODE, test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length); @@ -1337,8 +1363,6 @@ static void rt2500pci_write_beacon(struct queue_entry *entry, /* * Enable beaconing again. */ - rt2x00_set_field32(®, CSR14_TSF_COUNT, 1); - rt2x00_set_field32(®, CSR14_TBCN, 1); rt2x00_set_field32(®, CSR14_BEACON_GEN, 1); rt2x00pci_register_write(rt2x00dev, CSR14, reg); } @@ -1386,7 +1410,7 @@ static void rt2500pci_fill_rxdone(struct queue_entry *entry, static void rt2500pci_txdone(struct rt2x00_dev *rt2x00dev, const enum data_queue_qid queue_idx) { - struct data_queue *queue = rt2x00queue_get_queue(rt2x00dev, queue_idx); + struct data_queue *queue = rt2x00queue_get_tx_queue(rt2x00dev, queue_idx); struct queue_entry_priv_pci *entry_priv; struct queue_entry *entry; struct txdone_entry_desc txdesc; @@ -1422,58 +1446,68 @@ static void rt2500pci_txdone(struct rt2x00_dev *rt2x00dev, } } -static irqreturn_t rt2500pci_interrupt_thread(int irq, void *dev_instance) +static void rt2500pci_enable_interrupt(struct rt2x00_dev *rt2x00dev, + struct rt2x00_field32 irq_field) { - struct rt2x00_dev *rt2x00dev = dev_instance; - u32 reg = rt2x00dev->irqvalue[0]; + u32 reg; /* - * Handle interrupts, walk through all bits - * and run the tasks, the bits are checked in order of - * priority. + * Enable a single interrupt. The interrupt mask register + * access needs locking. */ + spin_lock_irq(&rt2x00dev->irqmask_lock); - /* - * 1 - Beacon timer expired interrupt. - */ - if (rt2x00_get_field32(reg, CSR7_TBCN_EXPIRE)) - rt2x00lib_beacondone(rt2x00dev); + rt2x00pci_register_read(rt2x00dev, CSR8, ®); + rt2x00_set_field32(®, irq_field, 0); + rt2x00pci_register_write(rt2x00dev, CSR8, reg); - /* - * 2 - Rx ring done interrupt. - */ - if (rt2x00_get_field32(reg, CSR7_RXDONE)) - rt2x00pci_rxdone(rt2x00dev); + spin_unlock_irq(&rt2x00dev->irqmask_lock); +} - /* - * 3 - Atim ring transmit done interrupt. - */ - if (rt2x00_get_field32(reg, CSR7_TXDONE_ATIMRING)) - rt2500pci_txdone(rt2x00dev, QID_ATIM); +static void rt2500pci_txstatus_tasklet(unsigned long data) +{ + struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; + u32 reg; /* - * 4 - Priority ring transmit done interrupt. + * Handle all tx queues. */ - if (rt2x00_get_field32(reg, CSR7_TXDONE_PRIORING)) - rt2500pci_txdone(rt2x00dev, QID_AC_VO); + rt2500pci_txdone(rt2x00dev, QID_ATIM); + rt2500pci_txdone(rt2x00dev, QID_AC_VO); + rt2500pci_txdone(rt2x00dev, QID_AC_VI); /* - * 5 - Tx ring transmit done interrupt. + * Enable all TXDONE interrupts again. */ - if (rt2x00_get_field32(reg, CSR7_TXDONE_TXRING)) - rt2500pci_txdone(rt2x00dev, QID_AC_VI); + spin_lock_irq(&rt2x00dev->irqmask_lock); + + rt2x00pci_register_read(rt2x00dev, CSR8, ®); + rt2x00_set_field32(®, CSR8_TXDONE_TXRING, 0); + rt2x00_set_field32(®, CSR8_TXDONE_ATIMRING, 0); + rt2x00_set_field32(®, CSR8_TXDONE_PRIORING, 0); + rt2x00pci_register_write(rt2x00dev, CSR8, reg); - /* Enable interrupts again. */ - rt2x00dev->ops->lib->set_device_state(rt2x00dev, - STATE_RADIO_IRQ_ON_ISR); + spin_unlock_irq(&rt2x00dev->irqmask_lock); +} - return IRQ_HANDLED; +static void rt2500pci_tbtt_tasklet(unsigned long data) +{ + struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; + rt2x00lib_beacondone(rt2x00dev); + rt2500pci_enable_interrupt(rt2x00dev, CSR8_TBCN_EXPIRE); +} + +static void rt2500pci_rxdone_tasklet(unsigned long data) +{ + struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; + rt2x00pci_rxdone(rt2x00dev); + rt2500pci_enable_interrupt(rt2x00dev, CSR8_RXDONE); } static irqreturn_t rt2500pci_interrupt(int irq, void *dev_instance) { struct rt2x00_dev *rt2x00dev = dev_instance; - u32 reg; + u32 reg, mask; /* * Get the interrupt sources & saved to local variable. @@ -1488,14 +1522,42 @@ static irqreturn_t rt2500pci_interrupt(int irq, void *dev_instance) if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) return IRQ_HANDLED; - /* Store irqvalues for use in the interrupt thread. */ - rt2x00dev->irqvalue[0] = reg; + mask = reg; - /* Disable interrupts, will be enabled again in the interrupt thread. */ - rt2x00dev->ops->lib->set_device_state(rt2x00dev, - STATE_RADIO_IRQ_OFF_ISR); + /* + * Schedule tasklets for interrupt handling. + */ + if (rt2x00_get_field32(reg, CSR7_TBCN_EXPIRE)) + tasklet_hi_schedule(&rt2x00dev->tbtt_tasklet); - return IRQ_WAKE_THREAD; + if (rt2x00_get_field32(reg, CSR7_RXDONE)) + tasklet_schedule(&rt2x00dev->rxdone_tasklet); + + if (rt2x00_get_field32(reg, CSR7_TXDONE_ATIMRING) || + rt2x00_get_field32(reg, CSR7_TXDONE_PRIORING) || + rt2x00_get_field32(reg, CSR7_TXDONE_TXRING)) { + tasklet_schedule(&rt2x00dev->txstatus_tasklet); + /* + * Mask out all txdone interrupts. + */ + rt2x00_set_field32(&mask, CSR8_TXDONE_TXRING, 1); + rt2x00_set_field32(&mask, CSR8_TXDONE_ATIMRING, 1); + rt2x00_set_field32(&mask, CSR8_TXDONE_PRIORING, 1); + } + + /* + * Disable all interrupts for which a tasklet was scheduled right now, + * the tasklet will reenable the appropriate interrupts. + */ + spin_lock(&rt2x00dev->irqmask_lock); + + rt2x00pci_register_read(rt2x00dev, CSR8, ®); + reg |= mask; + rt2x00pci_register_write(rt2x00dev, CSR8, reg); + + spin_unlock(&rt2x00dev->irqmask_lock); + + return IRQ_HANDLED; } /* @@ -1896,6 +1958,7 @@ static int rt2500pci_probe_hw(struct rt2x00_dev *rt2x00dev) */ __set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags); __set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags); + __set_bit(DRIVER_REQUIRE_SW_SEQNO, &rt2x00dev->flags); /* * Set the rssi offset. @@ -1952,7 +2015,9 @@ static const struct ieee80211_ops rt2500pci_mac80211_ops = { static const struct rt2x00lib_ops rt2500pci_rt2x00_ops = { .irq_handler = rt2500pci_interrupt, - .irq_handler_thread = rt2500pci_interrupt_thread, + .txstatus_tasklet = rt2500pci_txstatus_tasklet, + .tbtt_tasklet = rt2500pci_tbtt_tasklet, + .rxdone_tasklet = rt2500pci_rxdone_tasklet, .probe_hw = rt2500pci_probe_hw, .initialize = rt2x00pci_initialize, .uninitialize = rt2x00pci_uninitialize, diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 6b3b1de4679..979fe6596a2 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -478,9 +478,7 @@ static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev, rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg); rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); - rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1); rt2x00_set_field16(®, TXRX_CSR19_TSF_SYNC, conf->sync); - rt2x00_set_field16(®, TXRX_CSR19_TBCN, 1); rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); } @@ -1056,9 +1054,7 @@ static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev, rt2500usb_disable_radio(rt2x00dev); break; case STATE_RADIO_IRQ_ON: - case STATE_RADIO_IRQ_ON_ISR: case STATE_RADIO_IRQ_OFF: - case STATE_RADIO_IRQ_OFF_ISR: /* No support, but no error either */ break; case STATE_DEEP_SLEEP: @@ -1104,7 +1100,7 @@ static void rt2500usb_write_tx_desc(struct queue_entry *entry, (txdesc->rate_mode == RATE_MODE_OFDM)); rt2x00_set_field32(&word, TXD_W0_NEW_SEQ, test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs); + rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->u.plcp.ifs); rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length); rt2x00_set_field32(&word, TXD_W0_CIPHER, !!txdesc->cipher); rt2x00_set_field32(&word, TXD_W0_KEY_ID, txdesc->key_idx); @@ -1118,10 +1114,12 @@ static void rt2500usb_write_tx_desc(struct queue_entry *entry, rt2x00_desc_write(txd, 1, word); rt2x00_desc_read(txd, 2, &word); - rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal); - rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service); - rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low); - rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high); + rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->u.plcp.signal); + rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->u.plcp.service); + rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, + txdesc->u.plcp.length_low); + rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, + txdesc->u.plcp.length_high); rt2x00_desc_write(txd, 2, word); if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) { @@ -1799,6 +1797,7 @@ static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev) __set_bit(DRIVER_REQUIRE_COPY_IV, &rt2x00dev->flags); } __set_bit(DRIVER_SUPPORT_WATCHDOG, &rt2x00dev->flags); + __set_bit(DRIVER_REQUIRE_SW_SEQNO, &rt2x00dev->flags); /* * Set the rssi offset. diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h index 4c55e8525ca..70b9abbdeb9 100644 --- a/drivers/net/wireless/rt2x00/rt2800.h +++ b/drivers/net/wireless/rt2x00/rt2800.h @@ -51,6 +51,7 @@ * RF3320 2.4G 1T1R(RT3350/RT3370/RT3390) * RF3322 2.4G 2T2R(RT3352/RT3371/RT3372/RT3391/RT3392) * RF3853 2.4G/5G 3T3R(RT3883/RT3563/RT3573/RT3593/RT3662) + * RF5390 2.4G 1T1R */ #define RF2820 0x0001 #define RF2850 0x0002 @@ -65,6 +66,7 @@ #define RF3320 0x000b #define RF3322 0x000c #define RF3853 0x000d +#define RF5390 0x5390 /* * Chipset revisions. @@ -77,6 +79,7 @@ #define REV_RT3071E 0x0211 #define REV_RT3090E 0x0211 #define REV_RT3390E 0x0211 +#define REV_RT5390F 0x0502 /* * Signal information. @@ -121,6 +124,13 @@ #define E2PROM_CSR_RELOAD FIELD32(0x00000080) /* + * AUX_CTRL: Aux/PCI-E related configuration + */ +#define AUX_CTRL 0x10c +#define AUX_CTRL_WAKE_PCIE_EN FIELD32(0x00000002) +#define AUX_CTRL_FORCE_PCIE_CLK FIELD32(0x00000400) + +/* * OPT_14: Unknown register used by rt3xxx devices. */ #define OPT_14_CSR 0x0114 @@ -270,6 +280,7 @@ /* * GPIO_CTRL_CFG: + * GPIOD: GPIO direction, 0: Output, 1: Input */ #define GPIO_CTRL_CFG 0x0 |