#define SCA_INTR_DMAC_RX(node) (node ? 0x20 : 0x02)
#define SCA_INTR_DMAC_TX(node) (node ? 0x40 : 0x04)
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static inline struct net_device *port_to_dev(port_t *port)
{
return port->dev;
: port_to_card(port)->rx_ring_buffers);
}
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static inline u16 desc_abs_number(port_t *port, u16 desc, int transmit)
{
u16 rx_buffs = port_to_card(port)->rx_ring_buffers;
transmit * rx_buffs + desc;
}
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static inline u16 desc_offset(port_t *port, u16 desc, int transmit)
{
/* Descriptor offset always fits in 16 bits */
return desc_abs_number(port, desc, transmit) * sizeof(pkt_desc);
}
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static inline pkt_desc __iomem *desc_address(port_t *port, u16 desc,
int transmit)
{
#endif
}
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static inline u32 buffer_offset(port_t *port, u16 desc, int transmit)
{
return port_to_card(port)->buff_offset +
desc_abs_number(port, desc, transmit) * (u32)HDLC_MAX_MRU;
}
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static inline void sca_set_carrier(port_t *port)
{
if (!(sca_in(get_msci(port) + ST3, port_to_card(port)) & ST3_DCD)) {
}
}
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static void sca_init_port(port_t *port)
{
card_t *card = port_to_card(port);
sca_set_carrier(port);
}
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#ifdef NEED_SCA_MSCI_INTR
/* MSCI interrupt service */
static inline void sca_msci_intr(port_t *port)
}
#endif
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static inline void sca_rx(card_t *card, port_t *port, pkt_desc __iomem *desc,
u16 rxin)
{
netif_rx(skb);
}
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/* Receive DMA interrupt service */
static inline void sca_rx_intr(port_t *port)
{
sca_out(DSR_DE, DSR_RX(phy_node(port)), card);
}
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/* Transmit DMA interrupt service */
static inline void sca_tx_intr(port_t *port)
{
spin_unlock(&port->lock);
}
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static irqreturn_t sca_intr(int irq, void* dev_id)
{
card_t *card = dev_id;
return IRQ_RETVAL(handled);
}
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static void sca_set_port(port_t *port)
{
card_t* card = port_to_card(port);
u8 md2 = sca_in(msci + MD2, card);
unsigned int tmc, br = 10, brv = 1024;
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if (port->settings.clock_rate > 0) {
/* Try lower br for better accuracy*/
do {
md2 &= ~MD2_LOOPBACK;
sca_out(md2, msci + MD2, card);
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}
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static void sca_open(struct net_device *dev)
{
port_t *port = dev_to_port(dev);
netif_start_queue(dev);
}
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static void sca_close(struct net_device *dev)
{
port_t *port = dev_to_port(dev);
netif_stop_queue(dev);
}
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static int sca_attach(struct net_device *dev, unsigned short encoding,
unsigned short parity)
{
return 0;
}
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#ifdef DEBUG_RINGS
static void sca_dump_rings(struct net_device *dev)
{
}
#endif /* DEBUG_RINGS */
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static netdev_tx_t sca_xmit(struct sk_buff *skb, struct net_device *dev)
{
port_t *port = dev_to_port(dev);
return NETDEV_TX_OK;
}
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#ifdef NEED_DETECT_RAM
static u32 sca_detect_ram(card_t *card, u8 __iomem *rambase, u32 ramsize)
{
}
#endif /* NEED_DETECT_RAM */
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static void sca_init(card_t *card, int wait_states)
{
sca_out(wait_states, WCRL, card); /* Wait Control */