diff options
Diffstat (limited to 'drivers/net/ethernet/arc/emac.h')
| -rw-r--r-- | drivers/net/ethernet/arc/emac.h | 79 |
1 files changed, 45 insertions, 34 deletions
diff --git a/drivers/net/ethernet/arc/emac.h b/drivers/net/ethernet/arc/emac.h index dc08678bf9a4..0e244f0e25fd 100644 --- a/drivers/net/ethernet/arc/emac.h +++ b/drivers/net/ethernet/arc/emac.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2004-2013 Synopsys, Inc. (www.synopsys.com) * @@ -11,38 +12,39 @@ #include <linux/dma-mapping.h> #include <linux/netdevice.h> #include <linux/phy.h> +#include <linux/clk.h> /* STATUS and ENABLE Register bit masks */ -#define TXINT_MASK (1<<0) /* Transmit interrupt */ -#define RXINT_MASK (1<<1) /* Receive interrupt */ -#define ERR_MASK (1<<2) /* Error interrupt */ -#define TXCH_MASK (1<<3) /* Transmit chaining error interrupt */ -#define MSER_MASK (1<<4) /* Missed packet counter error */ -#define RXCR_MASK (1<<8) /* RXCRCERR counter rolled over */ -#define RXFR_MASK (1<<9) /* RXFRAMEERR counter rolled over */ -#define RXFL_MASK (1<<10) /* RXOFLOWERR counter rolled over */ -#define MDIO_MASK (1<<12) /* MDIO complete interrupt */ -#define TXPL_MASK (1<<31) /* Force polling of BD by EMAC */ +#define TXINT_MASK (1 << 0) /* Transmit interrupt */ +#define RXINT_MASK (1 << 1) /* Receive interrupt */ +#define ERR_MASK (1 << 2) /* Error interrupt */ +#define TXCH_MASK (1 << 3) /* Transmit chaining error interrupt */ +#define MSER_MASK (1 << 4) /* Missed packet counter error */ +#define RXCR_MASK (1 << 8) /* RXCRCERR counter rolled over */ +#define RXFR_MASK (1 << 9) /* RXFRAMEERR counter rolled over */ +#define RXFL_MASK (1 << 10) /* RXOFLOWERR counter rolled over */ +#define MDIO_MASK (1 << 12) /* MDIO complete interrupt */ +#define TXPL_MASK (1 << 31) /* Force polling of BD by EMAC */ /* CONTROL Register bit masks */ -#define EN_MASK (1<<0) /* VMAC enable */ -#define TXRN_MASK (1<<3) /* TX enable */ -#define RXRN_MASK (1<<4) /* RX enable */ -#define DSBC_MASK (1<<8) /* Disable receive broadcast */ -#define ENFL_MASK (1<<10) /* Enable Full-duplex */ -#define PROM_MASK (1<<11) /* Promiscuous mode */ +#define EN_MASK (1 << 0) /* VMAC enable */ +#define TXRN_MASK (1 << 3) /* TX enable */ +#define RXRN_MASK (1 << 4) /* RX enable */ +#define DSBC_MASK (1 << 8) /* Disable receive broadcast */ +#define ENFL_MASK (1 << 10) /* Enable Full-duplex */ +#define PROM_MASK (1 << 11) /* Promiscuous mode */ /* Buffer descriptor INFO bit masks */ -#define OWN_MASK (1<<31) /* 0-CPU owns buffer, 1-EMAC owns buffer */ -#define FIRST_MASK (1<<16) /* First buffer in chain */ -#define LAST_MASK (1<<17) /* Last buffer in chain */ +#define OWN_MASK (1 << 31) /* 0-CPU or 1-EMAC owns buffer */ +#define FIRST_MASK (1 << 16) /* First buffer in chain */ +#define LAST_MASK (1 << 17) /* Last buffer in chain */ #define LEN_MASK 0x000007FF /* last 11 bits */ -#define CRLS (1<<21) -#define DEFR (1<<22) -#define DROP (1<<23) -#define RTRY (1<<24) -#define LTCL (1<<28) -#define UFLO (1<<29) +#define CRLS (1 << 21) +#define DEFR (1 << 22) +#define DROP (1 << 23) +#define RTRY (1 << 24) +#define LTCL (1 << 28) +#define UFLO (1 << 29) #define FOR_EMAC OWN_MASK #define FOR_CPU 0 @@ -65,7 +67,7 @@ enum { R_MDIO, }; -#define TX_TIMEOUT (400*HZ/1000) /* Transmission timeout */ +#define TX_TIMEOUT (400 * HZ / 1000) /* Transmission timeout */ #define ARC_EMAC_NAPI_WEIGHT 40 /* Workload for NAPI */ @@ -101,15 +103,18 @@ struct buffer_state { DEFINE_DMA_UNMAP_LEN(len); }; +struct arc_emac_mdio_bus_data { + struct gpio_desc *reset_gpio; + int msec; +}; + /** * struct arc_emac_priv - Storage of EMAC's private information. * @dev: Pointer to the current device. - * @ndev: Pointer to the current network device. * @phy_dev: Pointer to attached PHY device. * @bus: Pointer to the current MII bus. * @regs: Base address of EMAC memory-mapped control registers. * @napi: Structure for NAPI. - * @stats: Network device statistics. * @rxbd: Pointer to Rx BD ring. * @txbd: Pointer to Tx BD ring. * @rxbd_dma: DMA handle for Rx BD ring. @@ -122,19 +127,20 @@ struct buffer_state { * @link: PHY's last seen link state. * @duplex: PHY's last set duplex mode. * @speed: PHY's last set speed. - * @max_speed: Maximum supported by current system network data-rate. */ struct arc_emac_priv { + const char *drv_name; + void (*set_mac_speed)(void *priv, unsigned int speed); + /* Devices */ struct device *dev; - struct net_device *ndev; - struct phy_device *phy_dev; struct mii_bus *bus; + struct arc_emac_mdio_bus_data bus_data; void __iomem *regs; + struct clk *clk; struct napi_struct napi; - struct net_device_stats stats; struct arc_emac_bd *rxbd; struct arc_emac_bd *txbd; @@ -152,7 +158,8 @@ struct arc_emac_priv { unsigned int link; unsigned int duplex; unsigned int speed; - unsigned int max_speed; + + unsigned int rx_missed_errors; }; /** @@ -190,6 +197,7 @@ static inline unsigned int arc_reg_get(struct arc_emac_priv *priv, int reg) static inline void arc_reg_or(struct arc_emac_priv *priv, int reg, int mask) { unsigned int value = arc_reg_get(priv, reg); + arc_reg_set(priv, reg, value | mask); } @@ -205,10 +213,13 @@ static inline void arc_reg_or(struct arc_emac_priv *priv, int reg, int mask) static inline void arc_reg_clr(struct arc_emac_priv *priv, int reg, int mask) { unsigned int value = arc_reg_get(priv, reg); + arc_reg_set(priv, reg, value & ~mask); } -int arc_mdio_probe(struct platform_device *pdev, struct arc_emac_priv *priv); +int arc_mdio_probe(struct arc_emac_priv *priv); int arc_mdio_remove(struct arc_emac_priv *priv); +int arc_emac_probe(struct net_device *ndev, int interface); +void arc_emac_remove(struct net_device *ndev); #endif /* ARC_EMAC_H */ |