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net: stmmac: Switch stmmac_dma_ops to generic HW Interface Helpers

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Switch stmmac_dma_ops to generic Hardware Interface Helpers instead of
using hard-coded callbacks. This makes the code more readable and more
flexible.

No functional change.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jose Abreu
2018-04-16 16:08:13 +01:00
committed by David S. Miller
parent 42de047d60
commit a4e887fa6d
4 changed files with 172 additions and 145 deletions
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50
drivers/net/ethernet/stmicro/stmmac/common.h
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@@ -381,56 +381,6 @@ struct dma_features {
extern const struct stmmac_desc_ops enh_desc_ops;
extern const struct stmmac_desc_ops ndesc_ops;
/* Specific DMA helpers */
struct stmmac_dma_ops {
/* DMA core initialization */
int (*reset)(void __iomem *ioaddr);
void (*init)(void __iomem *ioaddr, struct stmmac_dma_cfg *dma_cfg,
u32 dma_tx, u32 dma_rx, int atds);
void (*init_chan)(void __iomem *ioaddr,
struct stmmac_dma_cfg *dma_cfg, u32 chan);
void (*init_rx_chan)(void __iomem *ioaddr,
struct stmmac_dma_cfg *dma_cfg,
u32 dma_rx_phy, u32 chan);
void (*init_tx_chan)(void __iomem *ioaddr,
struct stmmac_dma_cfg *dma_cfg,
u32 dma_tx_phy, u32 chan);
/* Configure the AXI Bus Mode Register */
void (*axi)(void __iomem *ioaddr, struct stmmac_axi *axi);
/* Dump DMA registers */
void (*dump_regs)(void __iomem *ioaddr, u32 *reg_space);
/* Set tx/rx threshold in the csr6 register
* An invalid value enables the store-and-forward mode */
void (*dma_mode)(void __iomem *ioaddr, int txmode, int rxmode,
int rxfifosz);
void (*dma_rx_mode)(void __iomem *ioaddr, int mode, u32 channel,
int fifosz, u8 qmode);
void (*dma_tx_mode)(void __iomem *ioaddr, int mode, u32 channel,
int fifosz, u8 qmode);
/* To track extra statistic (if supported) */
void (*dma_diagnostic_fr) (void *data, struct stmmac_extra_stats *x,
void __iomem *ioaddr);
void (*enable_dma_transmission) (void __iomem *ioaddr);
void (*enable_dma_irq)(void __iomem *ioaddr, u32 chan);
void (*disable_dma_irq)(void __iomem *ioaddr, u32 chan);
void (*start_tx)(void __iomem *ioaddr, u32 chan);
void (*stop_tx)(void __iomem *ioaddr, u32 chan);
void (*start_rx)(void __iomem *ioaddr, u32 chan);
void (*stop_rx)(void __iomem *ioaddr, u32 chan);
int (*dma_interrupt) (void __iomem *ioaddr,
struct stmmac_extra_stats *x, u32 chan);
/* If supported then get the optional core features */
void (*get_hw_feature)(void __iomem *ioaddr,
struct dma_features *dma_cap);
/* Program the HW RX Watchdog */
void (*rx_watchdog)(void __iomem *ioaddr, u32 riwt, u32 number_chan);
void (*set_tx_ring_len)(void __iomem *ioaddr, u32 len, u32 chan);
void (*set_rx_ring_len)(void __iomem *ioaddr, u32 len, u32 chan);
void (*set_rx_tail_ptr)(void __iomem *ioaddr, u32 tail_ptr, u32 chan);
void (*set_tx_tail_ptr)(void __iomem *ioaddr, u32 tail_ptr, u32 chan);
void (*enable_tso)(void __iomem *ioaddr, bool en, u32 chan);
};
struct mac_device_info;
/* Helpers to program the MAC core */