diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2021-04-18 18:45:45 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2021-04-21 20:55:54 +0200 |
| commit | dc5d5f9d3fe4d0c26b4e4beb25d056ffcc5fbf02 (patch) | |
| tree | 1c23a7df356b88981dbf8206823d5f98cf3cd06b | |
| parent | 36873246f78a2d82eb8c43f74af52f199757dcff (diff) | |
mt76: mt7921: enable sw interrupts
Enable sw interrupts in order to wake the device from deep sleep
receiving packets
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/dma.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/mac.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/pci.c | 13 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/regs.h | 17 |
4 files changed, 25 insertions, 7 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c index c26979614113..7ada8339b74f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c @@ -351,6 +351,7 @@ int mt7921_dma_init(struct mt7921_dev *dev) /* enable interrupts for TX/RX rings */ mt7921_irq_enable(dev, MT_INT_RX_DONE_ALL | MT_INT_TX_DONE_ALL | MT_INT_MCU_CMD); + mt76_set(dev, MT_MCU2HOST_SW_INT_ENA, MT_MCU_CMD_WAKE_RX_PCIE); return 0; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c index 7b5323181fac..8770e0d93f45 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c @@ -1276,6 +1276,7 @@ mt7921_dma_reset(struct mt7921_dev *dev) mt7921_irq_enable(dev, MT_INT_RX_DONE_ALL | MT_INT_TX_DONE_ALL | MT_INT_MCU_CMD); + mt76_set(dev, MT_MCU2HOST_SW_INT_ENA, MT_MCU_CMD_WAKE_RX_PCIE); } void mt7921_tx_token_put(struct mt7921_dev *dev) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c index 40e2086d075c..d5da98d36f63 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c @@ -61,6 +61,18 @@ static void mt7921_irq_tasklet(unsigned long data) 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) @@ -253,6 +265,7 @@ static int mt7921_pci_resume(struct pci_dev *pdev) mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff); mt7921_irq_enable(dev, MT_INT_RX_DONE_ALL | MT_INT_TX_DONE_ALL | MT_INT_MCU_CMD); + mt76_set(dev, MT_MCU2HOST_SW_INT_ENA, MT_MCU_CMD_WAKE_RX_PCIE); /* put dma enabled */ mt76_set(dev, MT_WFDMA0_GLO_CFG, diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/regs.h b/drivers/net/wireless/mediatek/mt76/mt7921/regs.h index 76ecfea21dce..b6944c867a57 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/regs.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/regs.h @@ -251,13 +251,16 @@ #define MT_WFDMA0_BUSY_ENA_TX_FIFO1 BIT(1) #define MT_WFDMA0_BUSY_ENA_RX_FIFO BIT(2) -#define MT_MCU_CMD MT_WFDMA0(0x1f0) -#define MT_MCU_CMD_STOP_DMA_FW_RELOAD BIT(1) -#define MT_MCU_CMD_STOP_DMA BIT(2) -#define MT_MCU_CMD_RESET_DONE BIT(3) -#define MT_MCU_CMD_RECOVERY_DONE BIT(4) -#define MT_MCU_CMD_NORMAL_STATE BIT(5) -#define MT_MCU_CMD_ERROR_MASK GENMASK(5, 1) +#define MT_MCU_CMD MT_WFDMA0(0x1f0) +#define MT_MCU_CMD_WAKE_RX_PCIE BIT(0) +#define MT_MCU_CMD_STOP_DMA_FW_RELOAD BIT(1) +#define MT_MCU_CMD_STOP_DMA BIT(2) +#define MT_MCU_CMD_RESET_DONE BIT(3) +#define MT_MCU_CMD_RECOVERY_DONE BIT(4) +#define MT_MCU_CMD_NORMAL_STATE BIT(5) +#define MT_MCU_CMD_ERROR_MASK GENMASK(5, 1) + +#define MT_MCU2HOST_SW_INT_ENA MT_WFDMA0(0x1f4) #define MT_WFDMA0_HOST_INT_STA MT_WFDMA0(0x200) #define HOST_RX_DONE_INT_STS0 BIT(0) /* Rx mcu */ |