This is a preliminary patch to enable wed support for mt7986-wmac chipset. Tested-by: Daniel Golle <daniel@xxxxxxxxxxxxxx> Co-developed-by: Bo Jiao <Bo.Jiao@xxxxxxxxxxxx> Signed-off-by: Bo Jiao <Bo.Jiao@xxxxxxxxxxxx> Co-developed-by: Sujuan Chen <sujuan.chen@xxxxxxxxxxxx> Signed-off-by: Sujuan Chen <sujuan.chen@xxxxxxxxxxxx> Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx> --- .../net/wireless/mediatek/mt76/mt7915/mmio.c | 91 ++++++++++++++++++ .../wireless/mediatek/mt76/mt7915/mt7915.h | 2 + .../net/wireless/mediatek/mt76/mt7915/pci.c | 93 +------------------ 3 files changed, 94 insertions(+), 92 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) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h index 1eb11617a625..93999d633b75 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h @@ -590,5 +590,7 @@ bool mt7915_debugfs_rx_log(struct mt7915_dev *dev, const void *data, int len); void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct dentry *dir); #endif +int mt7915_mmio_wed_init(struct mt7915_dev *dev, struct pci_dev *pdev, + int *irq); #endif diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/pci.c b/drivers/net/wireless/mediatek/mt76/mt7915/pci.c index 728a879c3b00..d73b78bba3e5 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/pci.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/pci.c @@ -12,9 +12,6 @@ #include "mac.h" #include "../trace.h" -static bool wed_enable = false; -module_param(wed_enable, bool, 0644); - static LIST_HEAD(hif_list); static DEFINE_SPINLOCK(hif_lock); static u32 hif_idx; @@ -95,94 +92,6 @@ static int mt7915_pci_hif2_probe(struct pci_dev *pdev) return 0; } -#ifdef CONFIG_NET_MEDIATEK_SOC_WED -static int mt7915_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_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 - -static int -mt7915_pci_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_wed_offload_enable; - wed->wlan.offload_disable = mt7915_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_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) { @@ -220,7 +129,7 @@ static int mt7915_pci_probe(struct pci_dev *pdev, mt7915_wfsys_reset(dev); hif2 = mt7915_pci_init_hif2(pdev); - ret = mt7915_pci_wed_init(dev, pdev, &irq); + ret = mt7915_mmio_wed_init(dev, pdev, &irq); if (ret < 0) goto free_wed_or_irq_vector; -- 2.37.3