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mt7603: clean up dma debug reads

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Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2017-12-02 11:11:58 +01:00
parent d8a59901ec
commit c079960b59
2 changed files with 24 additions and 8 deletions
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mt7603_mac.c
+19 -8
View File
@@ -1150,16 +1150,29 @@ void mt7603_mac_watchdog_reset(struct mt7603_dev *dev)
ieee80211_wake_queues(dev->mt76.hw);
}
static bool mt7603_rx_dma_busy(struct mt7603_dev *dev)
static u32 mt7603_dma_debug(struct mt7603_dev *dev, u8 index)
{
u32 val;
mt76_wr(dev, MT_WPDMA_DEBUG,
FIELD_PREP(MT_WPDMA_DEBUG_IDX, index) |
MT_WPDMA_DEBUG_SEL);
val = mt76_rr(dev, MT_WPDMA_DEBUG);
return FIELD_GET(MT_WPDMA_DEBUG_VALUE, val);
}
static bool mt7603_rx_fifo_busy(struct mt7603_dev *dev)
{
return mt7603_dma_debug(dev, 2) & BIT(8);
}
static bool mt7603_rx_dma_busy(struct mt7603_dev *dev)
{
if (!(mt76_rr(dev, MT_WPDMA_GLO_CFG) & MT_WPDMA_GLO_CFG_RX_DMA_BUSY))
return false;
mt76_wr(dev, 0x4244, 0x28000000);
val = mt76_rr(dev, 0x4244);
return !!(val & BIT(8));
return mt7603_rx_fifo_busy(dev);
}
static bool mt7603_tx_dma_busy(struct mt7603_dev *dev)
@@ -1169,8 +1182,7 @@ static bool mt7603_tx_dma_busy(struct mt7603_dev *dev)
if (!(mt76_rr(dev, MT_WPDMA_GLO_CFG) & MT_WPDMA_GLO_CFG_TX_DMA_BUSY))
return false;
mt76_wr(dev, 0x4244, 0x98000000);
val = mt76_rr(dev, 0x4244);
val = mt7603_dma_debug(dev, 9);
return (val & BIT(8)) && (val & 0xf) != 0xf;
}
@@ -1201,8 +1213,7 @@ static bool mt7603_rx_pse_busy(struct mt7603_dev *dev)
{
u32 addr, val;
mt76_wr(dev, 0x4244, 0x28000000);
if (mt76_rr(dev, 0x4244) & BIT(8))
if (mt7603_rx_fifo_busy(dev))
return false;
addr = mt7603_reg_map(dev, MT_CLIENT_BASE_PHYS_ADDR + MT_CLIENT_STATUS);
mt7603_regs.h
+5
View File
@@ -66,6 +66,11 @@
#define MT_WPDMA_RST_IDX MT_HIF(0x20c)
#define MT_WPDMA_DEBUG MT_HIF(0x244)
#define MT_WPDMA_DEBUG_VALUE GENMASK(17, 0)
#define MT_WPDMA_DEBUG_SEL BIT(27)
#define MT_WPDMA_DEBUG_IDX GENMASK(31, 28)
#define MT_TX_RING_BASE MT_HIF(0x300)
#define MT_RX_RING_BASE MT_HIF(0x400)