diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h | 63 |
1 files changed, 43 insertions, 20 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h b/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h index acd70b9a3173..054ecb20ce3f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h @@ -22,6 +22,31 @@ #define DMA_INTR_ENA 0x0000101c /* Interrupt Enable */ #define DMA_MISSED_FRAME_CTR 0x00001020 /* Missed Frame Counter */ +/* Following DMA defines are channels oriented */ +#define DMA_CHAN_BASE_OFFSET 0x100 + +static inline u32 dma_chan_base_addr(u32 base, u32 chan) +{ + return base + chan * DMA_CHAN_BASE_OFFSET; +} + +#define DMA_CHAN_BUS_MODE(chan) dma_chan_base_addr(DMA_BUS_MODE, chan) +#define DMA_CHAN_XMT_POLL_DEMAND(chan) \ + dma_chan_base_addr(DMA_XMT_POLL_DEMAND, chan) +#define DMA_CHAN_RCV_POLL_DEMAND(chan) \ + dma_chan_base_addr(DMA_RCV_POLL_DEMAND, chan) +#define DMA_CHAN_RCV_BASE_ADDR(chan) \ + dma_chan_base_addr(DMA_RCV_BASE_ADDR, chan) +#define DMA_CHAN_TX_BASE_ADDR(chan) \ + dma_chan_base_addr(DMA_TX_BASE_ADDR, chan) +#define DMA_CHAN_STATUS(chan) dma_chan_base_addr(DMA_STATUS, chan) +#define DMA_CHAN_CONTROL(chan) dma_chan_base_addr(DMA_CONTROL, chan) +#define DMA_CHAN_INTR_ENA(chan) dma_chan_base_addr(DMA_INTR_ENA, chan) +#define DMA_CHAN_MISSED_FRAME_CTR(chan) \ + dma_chan_base_addr(DMA_MISSED_FRAME_CTR, chan) +#define DMA_CHAN_RX_WATCHDOG(chan) \ + dma_chan_base_addr(DMA_RX_WATCHDOG, chan) + /* SW Reset */ #define DMA_BUS_MODE_SFT_RESET 0x00000001 /* Software Reset */ @@ -43,23 +68,14 @@ #define DMA_AXI_OSR_MAX 0xf #define DMA_AXI_MAX_OSR_LIMIT ((DMA_AXI_OSR_MAX << DMA_AXI_WR_OSR_LMT_SHIFT) | \ (DMA_AXI_OSR_MAX << DMA_AXI_RD_OSR_LMT_SHIFT)) -#define DMA_AXI_1KBBE BIT(13) -#define DMA_AXI_AAL BIT(12) -#define DMA_AXI_BLEN256 BIT(7) -#define DMA_AXI_BLEN128 BIT(6) -#define DMA_AXI_BLEN64 BIT(5) -#define DMA_AXI_BLEN32 BIT(4) -#define DMA_AXI_BLEN16 BIT(3) -#define DMA_AXI_BLEN8 BIT(2) -#define DMA_AXI_BLEN4 BIT(1) #define DMA_BURST_LEN_DEFAULT (DMA_AXI_BLEN256 | DMA_AXI_BLEN128 | \ DMA_AXI_BLEN64 | DMA_AXI_BLEN32 | \ DMA_AXI_BLEN16 | DMA_AXI_BLEN8 | \ DMA_AXI_BLEN4) -#define DMA_AXI_UNDEF BIT(0) +#define DMA_AXI_1KBBE BIT(13) -#define DMA_AXI_BURST_LEN_MASK 0x000000FE +#define DMA_AXI_UNDEF BIT(0) #define DMA_CUR_TX_BUF_ADDR 0x00001050 /* Current Host Tx Buffer */ #define DMA_CUR_RX_BUF_ADDR 0x00001054 /* Current Host Rx Buffer */ @@ -152,15 +168,22 @@ #define NUM_DWMAC1000_DMA_REGS 23 #define NUM_DWMAC4_DMA_REGS 27 -void dwmac_enable_dma_transmission(void __iomem *ioaddr); -void dwmac_enable_dma_irq(void __iomem *ioaddr, u32 chan, bool rx, bool tx); -void dwmac_disable_dma_irq(void __iomem *ioaddr, u32 chan, bool rx, bool tx); -void dwmac_dma_start_tx(void __iomem *ioaddr, u32 chan); -void dwmac_dma_stop_tx(void __iomem *ioaddr, u32 chan); -void dwmac_dma_start_rx(void __iomem *ioaddr, u32 chan); -void dwmac_dma_stop_rx(void __iomem *ioaddr, u32 chan); -int dwmac_dma_interrupt(void __iomem *ioaddr, struct stmmac_extra_stats *x, - u32 chan, u32 dir); +void dwmac_enable_dma_transmission(void __iomem *ioaddr, u32 chan); +void dwmac_enable_dma_reception(void __iomem *ioaddr, u32 chan); +void dwmac_enable_dma_irq(struct stmmac_priv *priv, void __iomem *ioaddr, + u32 chan, bool rx, bool tx); +void dwmac_disable_dma_irq(struct stmmac_priv *priv, void __iomem *ioaddr, + u32 chan, bool rx, bool tx); +void dwmac_dma_start_tx(struct stmmac_priv *priv, void __iomem *ioaddr, + u32 chan); +void dwmac_dma_stop_tx(struct stmmac_priv *priv, void __iomem *ioaddr, + u32 chan); +void dwmac_dma_start_rx(struct stmmac_priv *priv, void __iomem *ioaddr, + u32 chan); +void dwmac_dma_stop_rx(struct stmmac_priv *priv, void __iomem *ioaddr, + u32 chan); +int dwmac_dma_interrupt(struct stmmac_priv *priv, void __iomem *ioaddr, + struct stmmac_extra_stats *x, u32 chan, u32 dir); int dwmac_dma_reset(void __iomem *ioaddr); #endif /* __DWMAC_DMA_H__ */ |