diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2800pci.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2800pci.c | 134 |
1 files changed, 87 insertions, 47 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index e947d3abbe9..ff81e761d20 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -50,7 +50,7 @@ /* * Allow hardware encryption to be disabled. */ -static int modparam_nohwcrypt = 0; +static bool modparam_nohwcrypt = false; module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO); MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); @@ -200,13 +200,6 @@ static void rt2800pci_start_queue(struct data_queue *queue) rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg); break; case QID_BEACON: - /* - * Allow beacon tasklets to be scheduled for periodic - * beacon updates. - */ - tasklet_enable(&rt2x00dev->tbtt_tasklet); - tasklet_enable(&rt2x00dev->pretbtt_tasklet); - rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, ®); rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 1); rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 1); @@ -219,7 +212,7 @@ static void rt2800pci_start_queue(struct data_queue *queue) break; default: break; - }; + } } static void rt2800pci_kick_queue(struct data_queue *queue) @@ -269,10 +262,13 @@ static void rt2800pci_stop_queue(struct data_queue *queue) rt2x00pci_register_write(rt2x00dev, INT_TIMER_EN, reg); /* - * Wait for tbtt tasklets to finish. + * Wait for current invocation to finish. The tasklet + * won't be scheduled anymore afterwards since we disabled + * the TBTT and PRE TBTT timer. */ - tasklet_disable(&rt2x00dev->tbtt_tasklet); - tasklet_disable(&rt2x00dev->pretbtt_tasklet); + tasklet_kill(&rt2x00dev->tbtt_tasklet); + tasklet_kill(&rt2x00dev->pretbtt_tasklet); + break; default: break; @@ -436,14 +432,6 @@ static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev, if (state == STATE_RADIO_IRQ_ON) { rt2x00pci_register_read(rt2x00dev, INT_SOURCE_CSR, ®); rt2x00pci_register_write(rt2x00dev, INT_SOURCE_CSR, reg); - - /* - * Enable tasklets. The beacon related tasklets are - * enabled when the beacon queue is started. - */ - tasklet_enable(&rt2x00dev->txstatus_tasklet); - tasklet_enable(&rt2x00dev->rxdone_tasklet); - tasklet_enable(&rt2x00dev->autowake_tasklet); } spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags); @@ -460,12 +448,13 @@ static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev, if (state == STATE_RADIO_IRQ_OFF) { /* - * Ensure that all tasklets are finished before - * disabling the interrupts. + * Wait for possibly running tasklets to finish. */ - tasklet_disable(&rt2x00dev->txstatus_tasklet); - tasklet_disable(&rt2x00dev->rxdone_tasklet); - tasklet_disable(&rt2x00dev->autowake_tasklet); + tasklet_kill(&rt2x00dev->txstatus_tasklet); + tasklet_kill(&rt2x00dev->rxdone_tasklet); + tasklet_kill(&rt2x00dev->autowake_tasklet); + tasklet_kill(&rt2x00dev->tbtt_tasklet); + tasklet_kill(&rt2x00dev->pretbtt_tasklet); } } @@ -489,7 +478,10 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev) rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f); rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00); - if (rt2x00_rt(rt2x00dev, RT5390)) { + if (rt2x00_is_pcie(rt2x00dev) && + (rt2x00_rt(rt2x00dev, RT3572) || + rt2x00_rt(rt2x00dev, RT5390) || + rt2x00_rt(rt2x00dev, RT5392))) { rt2x00pci_register_read(rt2x00dev, AUX_CTRL, ®); rt2x00_set_field32(®, AUX_CTRL_FORCE_PCIE_CLK, 1); rt2x00_set_field32(®, AUX_CTRL_WAKE_PCIE_EN, 1); @@ -498,7 +490,7 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev) rt2x00pci_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003); - rt2x00pci_register_read(rt2x00dev, MAC_SYS_CTRL, ®); + reg = 0; rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_CSR, 1); rt2x00_set_field32(®, MAC_SYS_CTRL_RESET_BBP, 1); rt2x00pci_register_write(rt2x00dev, MAC_SYS_CTRL, reg); @@ -510,11 +502,27 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev) static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev) { + int retval; + if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) || rt2800pci_init_queues(rt2x00dev))) return -EIO; - return rt2800_enable_radio(rt2x00dev); + retval = rt2800_enable_radio(rt2x00dev); + if (retval) + return retval; + + /* After resume MCU_BOOT_SIGNAL will trash these. */ + rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0); + rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0); + + rt2800_mcu_request(rt2x00dev, MCU_SLEEP, TOKEN_RADIO_OFF, 0xff, 0x02); + rt2800pci_mcu_status(rt2x00dev, TOKEN_RADIO_OFF); + + rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKEUP, 0, 0); + rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKEUP); + + return retval; } static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev) @@ -530,14 +538,16 @@ static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) { if (state == STATE_AWAKE) { - rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0x02); - rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKUP); + rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKEUP, + 0, 0x02); + rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKEUP); } else if (state == STATE_SLEEP) { rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_STATUS, 0xffffffff); rt2x00pci_register_write(rt2x00dev, H2M_MAILBOX_CID, 0xffffffff); - rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0x01, 0xff, 0x01); + rt2800_mcu_request(rt2x00dev, MCU_SLEEP, TOKEN_SLEEP, + 0xff, 0x01); } return 0; @@ -550,13 +560,6 @@ static int rt2800pci_set_device_state(struct rt2x00_dev *rt2x00dev, switch (state) { case STATE_RADIO_ON: - /* - * Before the radio can be enabled, the device first has - * to be woken up. After that it needs a bit of time - * to be fully awake and then the radio can be enabled. - */ - rt2800pci_set_state(rt2x00dev, STATE_AWAKE); - msleep(1); retval = rt2800pci_enable_radio(rt2x00dev); break; case STATE_RADIO_OFF: @@ -616,11 +619,11 @@ static void rt2800pci_write_tx_desc(struct queue_entry *entry, /* * Initialize TX descriptor */ - rt2x00_desc_read(txd, 0, &word); + word = 0; rt2x00_set_field32(&word, TXD_W0_SD_PTR0, skbdesc->skb_dma); rt2x00_desc_write(txd, 0, word); - rt2x00_desc_read(txd, 1, &word); + word = 0; rt2x00_set_field32(&word, TXD_W1_SD_LEN1, entry->skb->len); rt2x00_set_field32(&word, TXD_W1_LAST_SEC1, !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); @@ -631,12 +634,12 @@ static void rt2800pci_write_tx_desc(struct queue_entry *entry, rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0); rt2x00_desc_write(txd, 1, word); - rt2x00_desc_read(txd, 2, &word); + word = 0; rt2x00_set_field32(&word, TXD_W2_SD_PTR1, skbdesc->skb_dma + TXWI_DESC_SIZE); rt2x00_desc_write(txd, 2, word); - rt2x00_desc_read(txd, 3, &word); + word = 0; rt2x00_set_field32(&word, TXD_W3_WIV, !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W3_QSEL, 2); @@ -757,7 +760,7 @@ static bool rt2800pci_txdone(struct rt2x00_dev *rt2x00dev) } entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE); - rt2800_txdone_entry(entry, status); + rt2800_txdone_entry(entry, status, rt2800pci_get_txwi(entry)); if (--max_tx_done == 0) break; @@ -799,14 +802,42 @@ static void rt2800pci_pretbtt_tasklet(unsigned long data) { struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; rt2x00lib_pretbtt(rt2x00dev); - rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_PRE_TBTT); + if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) + rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_PRE_TBTT); } static void rt2800pci_tbtt_tasklet(unsigned long data) { struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; + struct rt2800_drv_data *drv_data = rt2x00dev->drv_data; + u32 reg; + rt2x00lib_beacondone(rt2x00dev); - rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_TBTT); + + if (rt2x00dev->intf_ap_count) { + /* + * The rt2800pci hardware tbtt timer is off by 1us per tbtt + * causing beacon skew and as a result causing problems with + * some powersaving clients over time. Shorten the beacon + * interval every 64 beacons by 64us to mitigate this effect. + */ + if (drv_data->tbtt_tick == (BCN_TBTT_OFFSET - 2)) { + rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, ®); + rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_INTERVAL, + (rt2x00dev->beacon_int * 16) - 1); + rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg); + } else if (drv_data->tbtt_tick == (BCN_TBTT_OFFSET - 1)) { + rt2x00pci_register_read(rt2x00dev, BCN_TIME_CFG, ®); + rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_INTERVAL, + (rt2x00dev->beacon_int * 16)); + rt2x00pci_register_write(rt2x00dev, BCN_TIME_CFG, reg); + } + drv_data->tbtt_tick++; + drv_data->tbtt_tick %= BCN_TBTT_OFFSET; + } + + if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) + rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_TBTT); } static void rt2800pci_rxdone_tasklet(unsigned long data) @@ -814,7 +845,7 @@ static void rt2800pci_rxdone_tasklet(unsigned long data) struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; if (rt2x00pci_rxdone(rt2x00dev)) tasklet_schedule(&rt2x00dev->rxdone_tasklet); - else + else if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_RX_DONE); } @@ -822,7 +853,8 @@ static void rt2800pci_autowake_tasklet(unsigned long data) { struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data; rt2800pci_wakeup(rt2x00dev); - rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_AUTO_WAKEUP); + if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) + rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_AUTO_WAKEUP); } static void rt2800pci_txstatus_interrupt(struct rt2x00_dev *rt2x00dev) @@ -1018,6 +1050,8 @@ static const struct ieee80211_ops rt2800pci_mac80211_ops = { .get_stats = rt2x00mac_get_stats, .get_tkip_seq = rt2800_get_tkip_seq, .set_rts_threshold = rt2800_set_rts_threshold, + .sta_add = rt2x00mac_sta_add, + .sta_remove = rt2x00mac_sta_remove, .bss_info_changed = rt2x00mac_bss_info_changed, .conf_tx = rt2800_conf_tx, .get_tsf = rt2800_get_tsf, @@ -1026,6 +1060,7 @@ static const struct ieee80211_ops rt2800pci_mac80211_ops = { .flush = rt2x00mac_flush, .get_survey = rt2800_get_survey, .get_ringparam = rt2x00mac_get_ringparam, + .tx_frames_pending = rt2x00mac_tx_frames_pending, }; static const struct rt2800_ops rt2800pci_rt2800_ops = { @@ -1062,6 +1097,7 @@ static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = { .reset_tuner = rt2800_reset_tuner, .link_tuner = rt2800_link_tuner, .gain_calibration = rt2800_gain_calibration, + .vco_calibration = rt2800_vco_calibration, .start_queue = rt2800pci_start_queue, .kick_queue = rt2800pci_kick_queue, .stop_queue = rt2800pci_stop_queue, @@ -1078,6 +1114,8 @@ static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = { .config_erp = rt2800_config_erp, .config_ant = rt2800_config_ant, .config = rt2800_config, + .sta_add = rt2800_sta_add, + .sta_remove = rt2800_sta_remove, }; static const struct data_queue_desc rt2800pci_queue_rx = { @@ -1103,6 +1141,7 @@ static const struct data_queue_desc rt2800pci_queue_bcn = { static const struct rt2x00_ops rt2800pci_ops = { .name = KBUILD_MODNAME, + .drv_data_size = sizeof(struct rt2800_drv_data), .max_sta_intf = 1, .max_ap_intf = 8, .eeprom_size = EEPROM_SIZE, @@ -1155,6 +1194,7 @@ static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = { #endif #ifdef CONFIG_RT2800PCI_RT53XX { PCI_DEVICE(0x1814, 0x5390) }, + { PCI_DEVICE(0x1814, 0x539a) }, { PCI_DEVICE(0x1814, 0x539f) }, #endif { 0, } |