60 #define to_ks8851_spi(ks) container_of((ks), struct ks8851_net_spi, ks8851)  argument
82 static void ks8851_lock_spi(struct ks8851_net *ks, unsigned long *flags)  in ks8851_lock_spi()  argument
84 	struct ks8851_net_spi *kss = to_ks8851_spi(ks);  in ks8851_lock_spi()
96 static void ks8851_unlock_spi(struct ks8851_net *ks, unsigned long *flags)  in ks8851_unlock_spi()  argument
98 	struct ks8851_net_spi *kss = to_ks8851_spi(ks);  in ks8851_unlock_spi()
118 static void ks8851_wrreg16_spi(struct ks8851_net *ks, unsigned int reg,  in ks8851_wrreg16_spi()  argument
121 	struct ks8851_net_spi *kss = to_ks8851_spi(ks);  in ks8851_wrreg16_spi()
136 		netdev_err(ks->netdev, "spi_sync() failed\n");  in ks8851_wrreg16_spi()
149 static void ks8851_rdreg(struct ks8851_net *ks, unsigned int op,  in ks8851_rdreg()  argument
152 	struct ks8851_net_spi *kss = to_ks8851_spi(ks);  in ks8851_rdreg()
155 	__le16 *txb = (__le16 *)ks->txd;  in ks8851_rdreg()
156 	u8 *trx = ks->rxd;  in ks8851_rdreg()
184 		netdev_err(ks->netdev, "read: spi_sync() failed\n");  in ks8851_rdreg()
198 static unsigned int ks8851_rdreg16_spi(struct ks8851_net *ks, unsigned int reg)  in ks8851_rdreg16_spi()  argument
202 	ks8851_rdreg(ks, MK_OP(reg & 2 ? 0xC : 0x3, reg), (u8 *)&rx, 2);  in ks8851_rdreg16_spi()
215 static void ks8851_rdfifo_spi(struct ks8851_net *ks, u8 *buff, unsigned int len)  in ks8851_rdfifo_spi()  argument
217 	struct ks8851_net_spi *kss = to_ks8851_spi(ks);  in ks8851_rdfifo_spi()
223 	netif_dbg(ks, rx_status, ks->netdev,  in ks8851_rdfifo_spi()
240 		netdev_err(ks->netdev, "%s: spi_sync() failed\n", __func__);  in ks8851_rdfifo_spi()
254 static void ks8851_wrfifo_spi(struct ks8851_net *ks, struct sk_buff *txp,  in ks8851_wrfifo_spi()  argument
257 	struct ks8851_net_spi *kss = to_ks8851_spi(ks);  in ks8851_wrfifo_spi()
263 	netif_dbg(ks, tx_queued, ks->netdev, "%s: skb %p, %d@%p, irq %d\n",  in ks8851_wrfifo_spi()
266 	fid = ks->fid++;  in ks8851_wrfifo_spi()
273 	ks->txh.txb[1] = KS_SPIOP_TXFIFO;  in ks8851_wrfifo_spi()
274 	ks->txh.txw[1] = cpu_to_le16(fid);  in ks8851_wrfifo_spi()
275 	ks->txh.txw[2] = cpu_to_le16(txp->len);  in ks8851_wrfifo_spi()
277 	xfer->tx_buf = &ks->txh.txb[1];  in ks8851_wrfifo_spi()
288 		netdev_err(ks->netdev, "%s: spi_sync() failed\n", __func__);  in ks8851_wrfifo_spi()
296 static void ks8851_rx_skb_spi(struct ks8851_net *ks, struct sk_buff *skb)  in ks8851_rx_skb_spi()  argument
311 	struct ks8851_net *ks;  in ks8851_tx_work()  local
317 	ks = &kss->ks8851;  in ks8851_tx_work()
318 	last = skb_queue_empty(&ks->txq);  in ks8851_tx_work()
320 	ks8851_lock_spi(ks, &flags);  in ks8851_tx_work()
323 		txb = skb_dequeue(&ks->txq);  in ks8851_tx_work()
324 		last = skb_queue_empty(&ks->txq);  in ks8851_tx_work()
327 			ks8851_wrreg16_spi(ks, KS_RXQCR,  in ks8851_tx_work()
328 					   ks->rc_rxqcr | RXQCR_SDA);  in ks8851_tx_work()
329 			ks8851_wrfifo_spi(ks, txb, last);  in ks8851_tx_work()
330 			ks8851_wrreg16_spi(ks, KS_RXQCR, ks->rc_rxqcr);  in ks8851_tx_work()
331 			ks8851_wrreg16_spi(ks, KS_TXQCR, TXQCR_METFE);  in ks8851_tx_work()
333 			ks8851_done_tx(ks, txb);  in ks8851_tx_work()
337 	ks8851_unlock_spi(ks, &flags);  in ks8851_tx_work()
344 static void ks8851_flush_tx_work_spi(struct ks8851_net *ks)  in ks8851_flush_tx_work_spi()  argument
346 	struct ks8851_net_spi *kss = to_ks8851_spi(ks);  in ks8851_flush_tx_work_spi()
380 	struct ks8851_net *ks = netdev_priv(dev);  in ks8851_start_xmit_spi()  local
384 	kss = to_ks8851_spi(ks);  in ks8851_start_xmit_spi()
386 	netif_dbg(ks, tx_queued, ks->netdev,  in ks8851_start_xmit_spi()
389 	spin_lock(&ks->statelock);  in ks8851_start_xmit_spi()
391 	if (needed > ks->tx_space) {  in ks8851_start_xmit_spi()
395 		ks->tx_space -= needed;  in ks8851_start_xmit_spi()
396 		skb_queue_tail(&ks->txq, skb);  in ks8851_start_xmit_spi()
399 	spin_unlock(&ks->statelock);  in ks8851_start_xmit_spi()
410 	struct ks8851_net *ks;  in ks8851_probe_spi()  local
418 	ks = netdev_priv(netdev);  in ks8851_probe_spi()
420 	ks->lock = ks8851_lock_spi;  in ks8851_probe_spi()
421 	ks->unlock = ks8851_unlock_spi;  in ks8851_probe_spi()
422 	ks->rdreg16 = ks8851_rdreg16_spi;  in ks8851_probe_spi()
423 	ks->wrreg16 = ks8851_wrreg16_spi;  in ks8851_probe_spi()
424 	ks->rdfifo = ks8851_rdfifo_spi;  in ks8851_probe_spi()
425 	ks->wrfifo = ks8851_wrfifo_spi;  in ks8851_probe_spi()
426 	ks->start_xmit = ks8851_start_xmit_spi;  in ks8851_probe_spi()
427 	ks->rx_skb = ks8851_rx_skb_spi;  in ks8851_probe_spi()
428 	ks->flush_tx_work = ks8851_flush_tx_work_spi;  in ks8851_probe_spi()
436 	ks->rc_ier = STD_IRQ;  in ks8851_probe_spi()
438 	kss = to_ks8851_spi(ks);  in ks8851_probe_spi()