diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2800pci.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2800pci.c | 66 |
1 files changed, 53 insertions, 13 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index dc88baefa72e..0397bbf0ce01 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -480,7 +480,8 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev) if (rt2x00_is_pcie(rt2x00dev) && (rt2x00_rt(rt2x00dev, RT3572) || - rt2x00_rt(rt2x00dev, RT5390))) { + 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); @@ -489,7 +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); @@ -501,11 +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) @@ -521,14 +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; @@ -541,13 +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: @@ -797,7 +809,33 @@ static void rt2800pci_pretbtt_tasklet(unsigned long data) 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); + + 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); } @@ -1050,6 +1088,7 @@ 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, @@ -1093,6 +1132,7 @@ 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, |