diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7915/mmio.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/mmio.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c index 7bd5f6725d7b..e75f2229b6a1 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c @@ -10,6 +10,9 @@ #include "mac.h" #include "../trace.h" +static bool wed_enable; +module_param(wed_enable, bool, 0644); + static const u32 mt7915_reg[] = { [INT_SOURCE_CSR] = 0xd7010, [INT_MASK_CSR] = 0xd7014, @@ -472,6 +475,94 @@ static u32 mt7915_rmw(struct mt76_dev *mdev, u32 offset, u32 mask, u32 val) return dev->bus_ops->rmw(mdev, addr, mask, val); } +#ifdef CONFIG_NET_MEDIATEK_SOC_WED +static int mt7915_mmio_wed_offload_enable(struct mtk_wed_device *wed) +{ + struct mt7915_dev *dev; + struct mt7915_phy *phy; + int ret; + + dev = container_of(wed, struct mt7915_dev, mt76.mmio.wed); + + spin_lock_bh(&dev->mt76.token_lock); + dev->mt76.token_size = wed->wlan.token_start; + spin_unlock_bh(&dev->mt76.token_lock); + + ret = wait_event_timeout(dev->mt76.tx_wait, + !dev->mt76.wed_token_count, HZ); + if (!ret) + return -EAGAIN; + + phy = &dev->phy; + mt76_set(dev, MT_AGG_ACR4(phy->band_idx), MT_AGG_ACR_PPDU_TXS2H); + + phy = dev->mt76.phys[MT_BAND1] ? dev->mt76.phys[MT_BAND1]->priv : NULL; + if (phy) + mt76_set(dev, MT_AGG_ACR4(phy->band_idx), + MT_AGG_ACR_PPDU_TXS2H); + + return 0; +} + +static void mt7915_mmio_wed_offload_disable(struct mtk_wed_device *wed) +{ + struct mt7915_dev *dev; + struct mt7915_phy *phy; + + dev = container_of(wed, struct mt7915_dev, mt76.mmio.wed); + + spin_lock_bh(&dev->mt76.token_lock); + dev->mt76.token_size = MT7915_TOKEN_SIZE; + spin_unlock_bh(&dev->mt76.token_lock); + + /* MT_TXD5_TX_STATUS_HOST (MPDU format) has higher priority than + * MT_AGG_ACR_PPDU_TXS2H (PPDU format) even though ACR bit is set. + */ + phy = &dev->phy; + mt76_clear(dev, MT_AGG_ACR4(phy->band_idx), MT_AGG_ACR_PPDU_TXS2H); + + phy = dev->mt76.phys[MT_BAND1] ? dev->mt76.phys[MT_BAND1]->priv : NULL; + if (phy) + mt76_clear(dev, MT_AGG_ACR4(phy->band_idx), + MT_AGG_ACR_PPDU_TXS2H); +} +#endif + +int mt7915_mmio_wed_init(struct mt7915_dev *dev, struct pci_dev *pdev, + int *irq) +{ +#ifdef CONFIG_NET_MEDIATEK_SOC_WED + struct mtk_wed_device *wed = &dev->mt76.mmio.wed; + int ret; + + if (!wed_enable) + return 0; + + wed->wlan.pci_dev = pdev; + wed->wlan.wpdma_phys = pci_resource_start(pdev, 0) + + MT_WFDMA_EXT_CSR_BASE; + wed->wlan.nbuf = 4096; + wed->wlan.token_start = MT7915_TOKEN_SIZE - wed->wlan.nbuf; + wed->wlan.init_buf = mt7915_wed_init_buf; + wed->wlan.offload_enable = mt7915_mmio_wed_offload_enable; + wed->wlan.offload_disable = mt7915_mmio_wed_offload_disable; + + if (mtk_wed_device_attach(wed) != 0) + return 0; + + *irq = wed->irq; + dev->mt76.dma_dev = wed->dev; + + ret = dma_set_mask(wed->dev, DMA_BIT_MASK(32)); + if (ret) + return ret; + + return 1; +#else + return 0; +#endif +} + static int mt7915_mmio_init(struct mt76_dev *mdev, void __iomem *mem_base, u32 device_id) |