diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7921/pci.c')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/pci.c | 225 |
1 files changed, 117 insertions, 108 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c index 95610a117d2f..3dda84a93717 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c @@ -9,8 +9,8 @@ #include "mt7921.h" #include "../mt76_connac2_mac.h" +#include "../dma.h" #include "mcu.h" -#include "../trace.h" static const struct pci_device_id mt7921_pci_device_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7961), @@ -28,81 +28,12 @@ static bool mt7921_disable_aspm; module_param_named(disable_aspm, mt7921_disable_aspm, bool, 0644); MODULE_PARM_DESC(disable_aspm, "disable PCI ASPM support"); -static void -mt7921_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q) +static int mt7921e_init_reset(struct mt792x_dev *dev) { - if (q == MT_RXQ_MAIN) - mt76_connac_irq_enable(mdev, MT_INT_RX_DONE_DATA); - else if (q == MT_RXQ_MCU_WA) - mt76_connac_irq_enable(mdev, MT_INT_RX_DONE_WM2); - else - mt76_connac_irq_enable(mdev, MT_INT_RX_DONE_WM); + return mt792x_wpdma_reset(dev, true); } -static irqreturn_t mt7921_irq_handler(int irq, void *dev_instance) -{ - struct mt7921_dev *dev = dev_instance; - - mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0); - - if (!test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state)) - return IRQ_NONE; - - tasklet_schedule(&dev->mt76.irq_tasklet); - - return IRQ_HANDLED; -} - -static void mt7921_irq_tasklet(unsigned long data) -{ - struct mt7921_dev *dev = (struct mt7921_dev *)data; - u32 intr, mask = 0; - - mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0); - - intr = mt76_rr(dev, MT_WFDMA0_HOST_INT_STA); - intr &= dev->mt76.mmio.irqmask; - mt76_wr(dev, MT_WFDMA0_HOST_INT_STA, intr); - - trace_dev_irq(&dev->mt76, intr, dev->mt76.mmio.irqmask); - - mask |= intr & MT_INT_RX_DONE_ALL; - if (intr & MT_INT_TX_DONE_MCU) - mask |= MT_INT_TX_DONE_MCU; - - if (intr & MT_INT_MCU_CMD) { - u32 intr_sw; - - intr_sw = mt76_rr(dev, MT_MCU_CMD); - /* ack MCU2HOST_SW_INT_STA */ - mt76_wr(dev, MT_MCU_CMD, intr_sw); - if (intr_sw & MT_MCU_CMD_WAKE_RX_PCIE) { - mask |= MT_INT_RX_DONE_DATA; - intr |= MT_INT_RX_DONE_DATA; - } - } - - mt76_set_irq_mask(&dev->mt76, MT_WFDMA0_HOST_INT_ENA, mask, 0); - - if (intr & MT_INT_TX_DONE_ALL) - napi_schedule(&dev->mt76.tx_napi); - - if (intr & MT_INT_RX_DONE_WM) - napi_schedule(&dev->mt76.napi[MT_RXQ_MCU]); - - if (intr & MT_INT_RX_DONE_WM2) - napi_schedule(&dev->mt76.napi[MT_RXQ_MCU_WA]); - - if (intr & MT_INT_RX_DONE_DATA) - napi_schedule(&dev->mt76.napi[MT_RXQ_MAIN]); -} - -static int mt7921e_init_reset(struct mt7921_dev *dev) -{ - return mt7921_wpdma_reset(dev, true); -} - -static void mt7921e_unregister_device(struct mt7921_dev *dev) +static void mt7921e_unregister_device(struct mt792x_dev *dev) { int i; struct mt76_connac_pm *pm = &dev->pm; @@ -115,16 +46,16 @@ static void mt7921e_unregister_device(struct mt7921_dev *dev) cancel_work_sync(&pm->wake_work); cancel_work_sync(&dev->reset_work); - mt7921_tx_token_put(dev); - __mt7921_mcu_drv_pmctrl(dev); - mt7921_dma_cleanup(dev); - mt7921_wfsys_reset(dev); + mt76_connac2_tx_token_put(&dev->mt76); + __mt792x_mcu_drv_pmctrl(dev); + mt792x_dma_cleanup(dev); + mt792x_wfsys_reset(dev); skb_queue_purge(&dev->mt76.mcu.res_q); tasklet_disable(&dev->mt76.irq_tasklet); } -static u32 __mt7921_reg_addr(struct mt7921_dev *dev, u32 addr) +static u32 __mt7921_reg_addr(struct mt792x_dev *dev, u32 addr) { static const struct mt76_connac_reg_map fixed_map[] = { { 0x820d0000, 0x30000, 0x10000 }, /* WF_LMAC_TOP (WF_WTBLON) */ @@ -203,7 +134,7 @@ static u32 __mt7921_reg_addr(struct mt7921_dev *dev, u32 addr) static u32 mt7921_rr(struct mt76_dev *mdev, u32 offset) { - struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); u32 addr = __mt7921_reg_addr(dev, offset); return dev->bus_ops->rr(mdev, addr); @@ -211,7 +142,7 @@ static u32 mt7921_rr(struct mt76_dev *mdev, u32 offset) static void mt7921_wr(struct mt76_dev *mdev, u32 offset, u32 val) { - struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); u32 addr = __mt7921_reg_addr(dev, offset); dev->bus_ops->wr(mdev, addr, val); @@ -219,12 +150,77 @@ static void mt7921_wr(struct mt76_dev *mdev, u32 offset, u32 val) static u32 mt7921_rmw(struct mt76_dev *mdev, u32 offset, u32 mask, u32 val) { - struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); u32 addr = __mt7921_reg_addr(dev, offset); return dev->bus_ops->rmw(mdev, addr, mask, val); } +static int mt7921_dma_init(struct mt792x_dev *dev) +{ + int ret; + + mt76_dma_attach(&dev->mt76); + + ret = mt792x_dma_disable(dev, true); + if (ret) + return ret; + + /* init tx queue */ + ret = mt76_connac_init_tx_queues(dev->phy.mt76, MT7921_TXQ_BAND0, + MT7921_TX_RING_SIZE, + MT_TX_RING_BASE, 0); + if (ret) + return ret; + + mt76_wr(dev, MT_WFDMA0_TX_RING0_EXT_CTRL, 0x4); + + /* command to WM */ + ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_WM, MT7921_TXQ_MCU_WM, + MT7921_TX_MCU_RING_SIZE, MT_TX_RING_BASE); + if (ret) + return ret; + + /* firmware download */ + ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_FWDL, MT7921_TXQ_FWDL, + MT7921_TX_FWDL_RING_SIZE, MT_TX_RING_BASE); + if (ret) + return ret; + + /* event from WM before firmware download */ + ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU], + MT7921_RXQ_MCU_WM, + MT7921_RX_MCU_RING_SIZE, + MT_RX_BUF_SIZE, MT_RX_EVENT_RING_BASE); + if (ret) + return ret; + + /* Change mcu queue after firmware download */ + ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU_WA], + MT7921_RXQ_MCU_WM, + MT7921_RX_MCU_RING_SIZE, + MT_RX_BUF_SIZE, MT_WFDMA0(0x540)); + if (ret) + return ret; + + /* rx data */ + ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN], + MT7921_RXQ_BAND0, MT7921_RX_RING_SIZE, + MT_RX_BUF_SIZE, MT_RX_DATA_RING_BASE); + if (ret) + return ret; + + ret = mt76_init_queues(dev, mt792x_poll_rx); + if (ret < 0) + return ret; + + netif_napi_add_tx(&dev->mt76.tx_napi_dev, &dev->mt76.tx_napi, + mt792x_poll_tx); + napi_enable(&dev->mt76.tx_napi); + + return mt792x_dma_enable(dev); +} + static int mt7921_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) { @@ -241,22 +237,34 @@ static int mt7921_pci_probe(struct pci_dev *pdev, .tx_complete_skb = mt76_connac_tx_complete_skb, .rx_check = mt7921_rx_check, .rx_skb = mt7921_queue_rx_skb, - .rx_poll_complete = mt7921_rx_poll_complete, + .rx_poll_complete = mt792x_rx_poll_complete, .sta_add = mt7921_mac_sta_add, .sta_assoc = mt7921_mac_sta_assoc, .sta_remove = mt7921_mac_sta_remove, - .update_survey = mt7921_update_channel, + .update_survey = mt792x_update_channel, }; - static const struct mt7921_hif_ops mt7921_pcie_ops = { + static const struct mt792x_hif_ops mt7921_pcie_ops = { .init_reset = mt7921e_init_reset, .reset = mt7921e_mac_reset, .mcu_init = mt7921e_mcu_init, - .drv_own = mt7921e_mcu_drv_pmctrl, - .fw_own = mt7921e_mcu_fw_pmctrl, + .drv_own = mt792xe_mcu_drv_pmctrl, + .fw_own = mt792xe_mcu_fw_pmctrl, + }; + static const struct mt792x_irq_map irq_map = { + .host_irq_enable = MT_WFDMA0_HOST_INT_ENA, + .tx = { + .all_complete_mask = MT_INT_TX_DONE_ALL, + .mcu_complete_mask = MT_INT_TX_DONE_MCU, + }, + .rx = { + .data_complete_mask = MT_INT_RX_DONE_DATA, + .wm_complete_mask = MT_INT_RX_DONE_WM, + .wm2_complete_mask = MT_INT_RX_DONE_WM2, + }, }; struct ieee80211_ops *ops; struct mt76_bus_ops *bus_ops; - struct mt7921_dev *dev; + struct mt792x_dev *dev; struct mt76_dev *mdev; u8 features; int ret; @@ -288,8 +296,8 @@ static int mt7921_pci_probe(struct pci_dev *pdev, if (mt7921_disable_aspm) mt76_pci_disable_aspm(pdev); - ops = mt7921_get_mac80211_ops(&pdev->dev, (void *)id->driver_data, - &features); + ops = mt792x_get_mac80211_ops(&pdev->dev, &mt7921_ops, + (void *)id->driver_data, &features); if (!ops) { ret = -ENOMEM; goto err_free_pci_vec; @@ -303,11 +311,12 @@ static int mt7921_pci_probe(struct pci_dev *pdev, pci_set_drvdata(pdev, mdev); - dev = container_of(mdev, struct mt7921_dev, mt76); + dev = container_of(mdev, struct mt792x_dev, mt76); dev->fw_features = features; dev->hif_ops = &mt7921_pcie_ops; + dev->irq_map = &irq_map; mt76_mmio_init(&dev->mt76, pcim_iomap_table(pdev)[0]); - tasklet_init(&mdev->irq_tasklet, mt7921_irq_tasklet, (unsigned long)dev); + tasklet_init(&mdev->irq_tasklet, mt792x_irq_tasklet, (unsigned long)dev); dev->phy.dev = dev; dev->phy.mt76 = &dev->mt76.phy; @@ -325,11 +334,11 @@ static int mt7921_pci_probe(struct pci_dev *pdev, bus_ops->rmw = mt7921_rmw; dev->mt76.bus = bus_ops; - ret = mt7921e_mcu_fw_pmctrl(dev); + ret = mt792xe_mcu_fw_pmctrl(dev); if (ret) goto err_free_dev; - ret = __mt7921e_mcu_drv_pmctrl(dev); + ret = __mt792xe_mcu_drv_pmctrl(dev); if (ret) goto err_free_dev; @@ -337,15 +346,15 @@ static int mt7921_pci_probe(struct pci_dev *pdev, (mt7921_l1_rr(dev, MT_HW_REV) & 0xff); dev_info(mdev->dev, "ASIC revision: %04x\n", mdev->rev); - ret = mt7921_wfsys_reset(dev); + ret = mt792x_wfsys_reset(dev); if (ret) goto err_free_dev; - mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0); + mt76_wr(dev, irq_map.host_irq_enable, 0); mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff); - ret = devm_request_irq(mdev->dev, pdev->irq, mt7921_irq_handler, + ret = devm_request_irq(mdev->dev, pdev->irq, mt792x_irq_handler, IRQF_SHARED, KBUILD_MODNAME, dev); if (ret) goto err_free_dev; @@ -373,7 +382,7 @@ err_free_pci_vec: static void mt7921_pci_remove(struct pci_dev *pdev) { struct mt76_dev *mdev = pci_get_drvdata(pdev); - struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); mt7921e_unregister_device(dev); devm_free_irq(&pdev->dev, pdev->irq, dev); @@ -385,7 +394,7 @@ static int mt7921_pci_suspend(struct device *device) { struct pci_dev *pdev = to_pci_dev(device); struct mt76_dev *mdev = pci_get_drvdata(pdev); - struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); struct mt76_connac_pm *pm = &dev->pm; int i, err; @@ -394,7 +403,7 @@ static int mt7921_pci_suspend(struct device *device) cancel_delayed_work_sync(&pm->ps_work); cancel_work_sync(&pm->wake_work); - err = mt7921_mcu_drv_pmctrl(dev); + err = mt792x_mcu_drv_pmctrl(dev); if (err < 0) goto restore_suspend; @@ -424,12 +433,12 @@ static int mt7921_pci_suspend(struct device *device) MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN); /* disable interrupt */ - mt76_wr(dev, MT_WFDMA0_HOST_INT_ENA, 0); + mt76_wr(dev, dev->irq_map->host_irq_enable, 0); mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0x0); synchronize_irq(pdev->irq); tasklet_kill(&mdev->irq_tasklet); - err = mt7921_mcu_fw_pmctrl(dev); + err = mt792x_mcu_fw_pmctrl(dev); if (err) goto restore_napi; @@ -450,7 +459,7 @@ restore_suspend: pm->suspended = false; if (err < 0) - mt7921_reset(&dev->mt76); + mt792x_reset(&dev->mt76); return err; } @@ -459,21 +468,21 @@ static int mt7921_pci_resume(struct device *device) { struct pci_dev *pdev = to_pci_dev(device); struct mt76_dev *mdev = pci_get_drvdata(pdev); - struct mt7921_dev *dev = container_of(mdev, struct mt7921_dev, mt76); + struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); struct mt76_connac_pm *pm = &dev->pm; int i, err; - err = mt7921_mcu_drv_pmctrl(dev); + err = mt792x_mcu_drv_pmctrl(dev); if (err < 0) goto failed; - mt7921_wpdma_reinit_cond(dev); + mt792x_wpdma_reinit_cond(dev); /* enable interrupt */ mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff); mt76_connac_irq_enable(&dev->mt76, - MT_INT_RX_DONE_ALL | MT_INT_TX_DONE_ALL | - MT_INT_MCU_CMD); + dev->irq_map->tx.all_complete_mask | + MT_INT_RX_DONE_ALL | MT_INT_MCU_CMD); mt76_set(dev, MT_MCU2HOST_SW_INT_ENA, MT_MCU_CMD_WAKE_RX_PCIE); /* put dma enabled */ @@ -500,7 +509,7 @@ failed: pm->suspended = false; if (err < 0) - mt7921_reset(&dev->mt76); + mt792x_reset(&dev->mt76); return err; } |