diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x0/pci.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x0/pci.c | 185 |
1 files changed, 132 insertions, 53 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c index d895b6f3dc44..f8d206a07f99 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c @@ -1,17 +1,6 @@ +// SPDX-License-Identifier: BSD-3-Clause-Clear /* * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <linux/kernel.h> @@ -25,17 +14,13 @@ static int mt76x0e_start(struct ieee80211_hw *hw) { struct mt76x02_dev *dev = hw->priv; - mutex_lock(&dev->mt76.mutex); - mt76x02_mac_start(dev); mt76x0_phy_calibrate(dev, true); - ieee80211_queue_delayed_work(dev->mt76.hw, &dev->mac_work, - MT_CALIBRATE_INTERVAL); + ieee80211_queue_delayed_work(dev->mt76.hw, &dev->mphy.mac_work, + MT_MAC_WORK_INTERVAL); ieee80211_queue_delayed_work(dev->mt76.hw, &dev->cal_work, MT_CALIBRATE_INTERVAL); - set_bit(MT76_STATE_RUNNING, &dev->mt76.state); - - mutex_unlock(&dev->mt76.mutex); + set_bit(MT76_STATE_RUNNING, &dev->mphy.state); return 0; } @@ -43,7 +28,8 @@ static int mt76x0e_start(struct ieee80211_hw *hw) static void mt76x0e_stop_hw(struct mt76x02_dev *dev) { cancel_delayed_work_sync(&dev->cal_work); - cancel_delayed_work_sync(&dev->mac_work); + cancel_delayed_work_sync(&dev->mphy.mac_work); + clear_bit(MT76_RESTART, &dev->mphy.state); if (!mt76_poll(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_TX_DMA_BUSY, 0, 1000)) @@ -58,14 +44,12 @@ static void mt76x0e_stop_hw(struct mt76x02_dev *dev) mt76_clear(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_RX_DMA_EN); } -static void mt76x0e_stop(struct ieee80211_hw *hw) +static void mt76x0e_stop(struct ieee80211_hw *hw, bool suspend) { struct mt76x02_dev *dev = hw->priv; - mutex_lock(&dev->mt76.mutex); - clear_bit(MT76_STATE_RUNNING, &dev->mt76.state); + clear_bit(MT76_STATE_RUNNING, &dev->mphy.state); mt76x0e_stop_hw(dev); - mutex_unlock(&dev->mt76.mutex); } static void @@ -74,14 +58,11 @@ mt76x0e_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, { } -static int -mt76x0e_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, - bool set) -{ - return 0; -} - static const struct ieee80211_ops mt76x0e_ops = { + .add_chanctx = ieee80211_emulate_add_chanctx, + .remove_chanctx = ieee80211_emulate_remove_chanctx, + .change_chanctx = ieee80211_emulate_change_chanctx, + .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx, .tx = mt76x02_tx, .start = mt76x0e_start, .stop = mt76x0e_stop, @@ -91,23 +72,27 @@ static const struct ieee80211_ops mt76x0e_ops = { .configure_filter = mt76x02_configure_filter, .bss_info_changed = mt76x02_bss_info_changed, .sta_state = mt76_sta_state, + .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, .set_key = mt76x02_set_key, .conf_tx = mt76x02_conf_tx, - .sw_scan_start = mt76x02_sw_scan, + .sw_scan_start = mt76_sw_scan, .sw_scan_complete = mt76x02_sw_scan_complete, .ampdu_action = mt76x02_ampdu_action, .sta_rate_tbl_update = mt76x02_sta_rate_tbl_update, .wake_tx_queue = mt76_wake_tx_queue, .get_survey = mt76_get_survey, - .get_txpower = mt76x02_get_txpower, + .get_txpower = mt76_get_txpower, .flush = mt76x0e_flush, - .set_tim = mt76x0e_set_tim, + .set_tim = mt76_set_tim, .release_buffered_frames = mt76_release_buffered_frames, .set_coverage_class = mt76x02_set_coverage_class, .set_rts_threshold = mt76x02_set_rts_threshold, + .get_antenna = mt76_get_antenna, + .reconfig_complete = mt76x02_reconfig_complete, + .set_sar_specs = mt76x0_set_sar_specs, }; -static int mt76x0e_register_device(struct mt76x02_dev *dev) +static int mt76x0e_init_hardware(struct mt76x02_dev *dev, bool resume) { int err; @@ -120,14 +105,18 @@ static int mt76x0e_register_device(struct mt76x02_dev *dev) if (err < 0) return err; - err = mt76x02_dma_init(dev); - if (err < 0) - return err; + if (!resume) { + err = mt76x02_dma_init(dev); + if (err < 0) + return err; + } err = mt76x0_init_hardware(dev); if (err < 0) return err; + mt76x02e_init_beacon_config(dev); + if (mt76_chip(&dev->mt76) == 0x7610) { u16 val; @@ -141,11 +130,22 @@ static int mt76x0e_register_device(struct mt76x02_dev *dev) mt76_clear(dev, 0x110, BIT(9)); mt76_set(dev, MT_MAX_LEN_CFG, BIT(13)); + return 0; +} + +static int mt76x0e_register_device(struct mt76x02_dev *dev) +{ + int err; + + err = mt76x0e_init_hardware(dev, false); + if (err < 0) + return err; + err = mt76x0_register_device(dev); if (err < 0) return err; - set_bit(MT76_STATE_INITIALIZED, &dev->mt76.state); + set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); return 0; } @@ -155,7 +155,12 @@ mt76x0e_probe(struct pci_dev *pdev, const struct pci_device_id *id) { static const struct mt76_driver_ops drv_ops = { .txwi_size = sizeof(struct mt76x02_txwi), + .drv_flags = MT_DRV_TX_ALIGNED4_SKBS | + MT_DRV_SW_RX_AIRTIME | + MT_DRV_IGNORE_TXS_FAILED, + .survey_flags = SURVEY_INFO_TIME_TX, .update_survey = mt76x02_update_channel, + .set_channel = mt76x0_set_channel, .tx_prepare_skb = mt76x02_tx_prepare_skb, .tx_complete_skb = mt76x02_tx_complete_skb, .rx_skb = mt76x02_queue_rx_skb, @@ -165,6 +170,7 @@ mt76x0e_probe(struct pci_dev *pdev, const struct pci_device_id *id) .sta_remove = mt76x02_sta_remove, }; struct mt76x02_dev *dev; + struct mt76_dev *mdev; int ret; ret = pcim_enable_device(pdev); @@ -177,20 +183,28 @@ mt76x0e_probe(struct pci_dev *pdev, const struct pci_device_id *id) pci_set_master(pdev); - ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); if (ret) return ret; - dev = mt76x0_alloc_device(&pdev->dev, &drv_ops, &mt76x0e_ops); - if (!dev) + mt76_pci_disable_aspm(pdev); + + mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt76x0e_ops, + &drv_ops); + if (!mdev) return -ENOMEM; - mt76_mmio_init(&dev->mt76, pcim_iomap_table(pdev)[0]); + dev = container_of(mdev, struct mt76x02_dev, mt76); + mutex_init(&dev->phy_mutex); - dev->mt76.rev = mt76_rr(dev, MT_ASIC_VERSION); - dev_info(dev->mt76.dev, "ASIC revision: %08x\n", dev->mt76.rev); + mt76_mmio_init(mdev, pcim_iomap_table(pdev)[0]); - ret = devm_request_irq(dev->mt76.dev, pdev->irq, mt76x02_irq_handler, + mdev->rev = mt76_rr(dev, MT_ASIC_VERSION); + dev_info(mdev->dev, "ASIC revision: %08x\n", mdev->rev); + + mt76_wr(dev, MT_INT_MASK_CSR, 0); + + ret = devm_request_irq(mdev->dev, pdev->irq, mt76x02_irq_handler, IRQF_SHARED, KBUILD_MODNAME, dev); if (ret) goto error; @@ -202,17 +216,18 @@ mt76x0e_probe(struct pci_dev *pdev, const struct pci_device_id *id) return 0; error: - ieee80211_free_hw(mt76_hw(dev)); + mt76_free_device(&dev->mt76); + return ret; } static void mt76x0e_cleanup(struct mt76x02_dev *dev) { - clear_bit(MT76_STATE_INITIALIZED, &dev->mt76.state); - tasklet_disable(&dev->pre_tbtt_tasklet); + clear_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); + tasklet_disable(&dev->mt76.pre_tbtt_tasklet); mt76x0_chip_onoff(dev, false, false); mt76x0e_stop_hw(dev); - mt76x02_dma_cleanup(dev); + mt76_dma_cleanup(&dev->mt76); mt76x02_mcu_cleanup(dev); } @@ -224,18 +239,78 @@ mt76x0e_remove(struct pci_dev *pdev) mt76_unregister_device(mdev); mt76x0e_cleanup(dev); - ieee80211_free_hw(mdev->hw); + mt76_free_device(mdev); +} + +#ifdef CONFIG_PM +static int mt76x0e_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct mt76_dev *mdev = pci_get_drvdata(pdev); + struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76); + int i; + + mt76_worker_disable(&mdev->tx_worker); + for (i = 0; i < ARRAY_SIZE(mdev->phy.q_tx); i++) + mt76_queue_tx_cleanup(dev, mdev->phy.q_tx[i], true); + for (i = 0; i < ARRAY_SIZE(mdev->q_mcu); i++) + mt76_queue_tx_cleanup(dev, mdev->q_mcu[i], true); + napi_disable(&mdev->tx_napi); + + mt76_for_each_q_rx(mdev, i) + napi_disable(&mdev->napi[i]); + + mt76x02_dma_disable(dev); + mt76x02_mcu_cleanup(dev); + mt76x0_chip_onoff(dev, false, false); + + pci_enable_wake(pdev, pci_choose_state(pdev, state), true); + pci_save_state(pdev); + + return pci_set_power_state(pdev, pci_choose_state(pdev, state)); +} + +static int mt76x0e_resume(struct pci_dev *pdev) +{ + struct mt76_dev *mdev = pci_get_drvdata(pdev); + struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76); + int err, i; + + err = pci_set_power_state(pdev, PCI_D0); + if (err) + return err; + + pci_restore_state(pdev); + + mt76_worker_enable(&mdev->tx_worker); + + mt76_for_each_q_rx(mdev, i) { + mt76_queue_rx_reset(dev, i); + napi_enable(&mdev->napi[i]); + } + napi_enable(&mdev->tx_napi); + + local_bh_disable(); + mt76_for_each_q_rx(mdev, i) { + napi_schedule(&mdev->napi[i]); + } + napi_schedule(&mdev->tx_napi); + local_bh_enable(); + + return mt76x0e_init_hardware(dev, true); } +#endif /* CONFIG_PM */ static const struct pci_device_id mt76x0e_device_table[] = { - { PCI_DEVICE(0x14c3, 0x7630) }, - { PCI_DEVICE(0x14c3, 0x7650) }, + { PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7610) }, + { PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7630) }, + { PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7650) }, { }, }; MODULE_DEVICE_TABLE(pci, mt76x0e_device_table); MODULE_FIRMWARE(MT7610E_FIRMWARE); MODULE_FIRMWARE(MT7650E_FIRMWARE); +MODULE_DESCRIPTION("MediaTek MT76x0E (PCIe) wireless driver"); MODULE_LICENSE("Dual BSD/GPL"); static struct pci_driver mt76x0e_driver = { @@ -243,6 +318,10 @@ static struct pci_driver mt76x0e_driver = { .id_table = mt76x0e_device_table, .probe = mt76x0e_probe, .remove = mt76x0e_remove, +#ifdef CONFIG_PM + .suspend = mt76x0e_suspend, + .resume = mt76x0e_resume, +#endif /* CONFIG_PM */ }; module_pci_driver(mt76x0e_driver); |