3  * sungem.c: Sun GEM ethernet driver.
82 MODULE_DESCRIPTION("Sun GEM Gbit ethernet driver");
85 #define GEM_MODULE_NAME	"gem"
91 	/* These models only differ from the original GEM in
117 static u16 __sungem_phy_read(struct gem *gp, int phy_addr, int reg)  in __sungem_phy_read()
145 	struct gem *gp = netdev_priv(dev);  in _sungem_phy_read()
149 static inline u16 sungem_phy_read(struct gem *gp, int reg)  in sungem_phy_read()
154 static void __sungem_phy_write(struct gem *gp, int phy_addr, int reg, u16 val)  in __sungem_phy_write()
178 	struct gem *gp = netdev_priv(dev);  in _sungem_phy_write()
182 static inline void sungem_phy_write(struct gem *gp, int reg, u16 val)  in sungem_phy_write()
187 static inline void gem_enable_ints(struct gem *gp)  in gem_enable_ints()
193 static inline void gem_disable_ints(struct gem *gp)  in gem_disable_ints()
200 static void gem_get_cell(struct gem *gp)  in gem_get_cell()
214 static void gem_put_cell(struct gem *gp)  in gem_put_cell()
227 static inline void gem_netif_stop(struct gem *gp)  in gem_netif_stop()
234 static inline void gem_netif_start(struct gem *gp)  in gem_netif_start()
244 static void gem_schedule_reset(struct gem *gp)  in gem_schedule_reset()
250 static void gem_handle_mif_event(struct gem *gp, u32 reg_val, u32 changed_bits)  in gem_handle_mif_event()
256 static int gem_pcs_interrupt(struct net_device *dev, struct gem *gp, u32 gem_status)  in gem_pcs_interrupt()
306 static int gem_txmac_interrupt(struct net_device *dev, struct gem *gp, u32 gem_status)  in gem_txmac_interrupt()
353 /* When we get a RX fifo overflow, the RX unit in GEM is probably hung
359 static int gem_rxmac_reset(struct gem *gp)  in gem_rxmac_reset()
459 static int gem_rxmac_interrupt(struct net_device *dev, struct gem *gp, u32 gem_status)  in gem_rxmac_interrupt()
493 static int gem_mac_interrupt(struct net_device *dev, struct gem *gp, u32 gem_status)  in gem_mac_interrupt()
514 static int gem_mif_interrupt(struct net_device *dev, struct gem *gp, u32 gem_status)  in gem_mif_interrupt()
527 static int gem_pci_interrupt(struct net_device *dev, struct gem *gp, u32 gem_status)  in gem_pci_interrupt()
578 static int gem_abnormal_irq(struct net_device *dev, struct gem *gp, u32 gem_status)  in gem_abnormal_irq()
631 static __inline__ void gem_tx(struct net_device *dev, struct gem *gp, u32 gem_status)  in gem_tx()
702 static __inline__ void gem_post_rxds(struct gem *gp, int limit)  in gem_post_rxds()
746 static int gem_rx(struct gem *gp, int work_to_do)  in gem_rx()
772 		/* When writing back RX descriptor, GEM writes status  in gem_rx()
775 		 * post a new buffer to this descriptor then have GEM spam  in gem_rx()
798 			/* We'll just return it to GEM. */  in gem_rx()
876 	struct gem *gp = container_of(napi, struct gem, napi);  in gem_poll()
927 	struct gem *gp = netdev_priv(dev);  in gem_interrupt()
954 	struct gem *gp = netdev_priv(dev);  in gem_tx_timeout()
982 	struct gem *gp = netdev_priv(dev);  in gem_start_xmit()
1098 static void gem_pcs_reset(struct gem *gp)  in gem_pcs_reset()
1118 static void gem_pcs_reinit_adv(struct gem *gp)  in gem_pcs_reinit_adv()
1163 static void gem_reset(struct gem *gp)  in gem_reset()
1191 static void gem_start_dma(struct gem *gp)  in gem_start_dma()
1215 static void gem_stop_dma(struct gem *gp)  in gem_stop_dma()
1236 static void gem_begin_auto_negotiation(struct gem *gp,  in gem_begin_auto_negotiation()
1327 static int gem_set_link_modes(struct gem *gp)  in gem_set_link_modes()
1438 static int gem_mdio_link_not_up(struct gem *gp)  in gem_mdio_link_not_up()
1484 	struct gem *gp = timer_container_of(gp, t, link_timer);  in gem_link_timer()
1555 static void gem_clean_rings(struct gem *gp)  in gem_clean_rings()
1605 static void gem_init_rings(struct gem *gp)  in gem_init_rings()
1654 static void gem_init_phy(struct gem *gp)  in gem_init_phy()
1731 static void gem_init_dma(struct gem *gp)  in gem_init_dma()
1768 static u32 gem_setup_multicast(struct gem *gp)  in gem_setup_multicast()
1800 static void gem_init_mac(struct gem *gp)  in gem_init_mac()
1876 	/* Don't enable GEM's WOL in normal operations  in gem_init_mac()
1882 static void gem_init_pause_thresholds(struct gem *gp)  in gem_init_pause_thresholds()
1926 static int gem_check_invariants(struct gem *gp)  in gem_check_invariants()
1968 			pr_err("RIO GEM lacks MII phy, mif_cfg[%08x]\n",  in gem_check_invariants()
2023 				pr_err("GEM has bogus fifo sizes tx(%d) rx(%d)\n",  in gem_check_invariants()
2031 				pr_err("RIO GEM has bogus fifo sizes tx(%d) rx(%d)\n",  in gem_check_invariants()
2042 static void gem_reinit_chip(struct gem *gp)  in gem_reinit_chip()
2062 static void gem_stop_phy(struct gem *gp, int wol)  in gem_stop_phy()
2131 	struct gem *gp = netdev_priv(dev);  in gem_do_start()
2170 	struct gem *gp = netdev_priv(dev);  in gem_do_stop()
2215 	struct gem *gp = container_of(work, struct gem, reset_task);  in gem_reset_task()
2262 	struct gem *gp = netdev_priv(dev);  in gem_open()
2291 	struct gem *gp = netdev_priv(dev);  in gem_close()
2309 	struct gem *gp = netdev_priv(dev);  in gem_suspend()
2350 	struct gem *gp = netdev_priv(dev);  in gem_resume()
2386 	struct gem *gp = netdev_priv(dev);  in gem_get_stats()
2424 	struct gem *gp = netdev_priv(dev);  in gem_set_mac_address()
2448 	struct gem *gp = netdev_priv(dev);  in gem_set_multicast()
2489 	struct gem *gp = netdev_priv(dev);  in gem_change_mtu()
2512 	struct gem *gp = netdev_priv(dev);  in gem_get_drvinfo()
2522 	struct gem *gp = netdev_priv(dev);  in gem_get_link_ksettings()
2587 	struct gem *gp = netdev_priv(dev);  in gem_set_link_ksettings()
2622 	struct gem *gp = netdev_priv(dev);  in gem_nway_reset()
2638 	struct gem *gp = netdev_priv(dev);  in gem_get_msglevel()
2644 	struct gem *gp = netdev_priv(dev);  in gem_set_msglevel()
2656 	struct gem *gp = netdev_priv(dev);  in gem_get_wol()
2670 	struct gem *gp = netdev_priv(dev);  in gem_set_wol()
2692 	struct gem *gp = netdev_priv(dev);  in gem_ioctl()
2773 static int gem_get_device_address(struct gem *gp)  in gem_get_device_address()
2804 		struct gem *gp = netdev_priv(dev);  in gem_remove_one()
2837 	struct gem *gp;  in gem_init_one()
2857 	/* All of the GEM documentation states that 64-bit DMA addressing  in gem_init_one()
3002 	netdev_info(dev, "Sun GEM (PCI) 10/100/1000BaseT Ethernet %pM\n",  in gem_init_one()