hydra.c revision c061b18df0f1fe3f50fe451dbbdc9ede3c19701a
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* New Hydra driver using generic 8390 core */ 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Based on old hydra driver by Topi Kanerva (topi@susanna.oulu.fi) */ 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* This file is subject to the terms and conditions of the GNU General */ 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Public License. See the file COPYING in the main directory of the */ 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Linux distribution for more details. */ 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Peter De Schrijver (p2@mind.be) */ 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Oldenburg 2000 */ 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* The Amiganet is a Zorro-II board made by Hydra Systems. It contains a */ 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* NS8390 NIC (network interface controller) clone, 16 or 64K on-board RAM */ 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* and 10BASE-2 (thin coax) and AUI connectors. */ 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/kernel.h> 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/string.h> 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/errno.h> 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/ioport.h> 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/interrupt.h> 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/netdevice.h> 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/etherdevice.h> 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/skbuff.h> 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/bitops.h> 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/io.h> 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/irq.h> 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/amigaints.h> 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/amigahw.h> 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/zorro.h> 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 338c6270f957f0eaa343e4a609159c4b85038468d6Al Viro#define EI_SHIFT(x) (ei_local->reg_offset[x]) 348c6270f957f0eaa343e4a609159c4b85038468d6Al Viro#define ei_inb(port) in_8(port) 358c6270f957f0eaa343e4a609159c4b85038468d6Al Viro#define ei_outb(val,port) out_8(port,val) 368c6270f957f0eaa343e4a609159c4b85038468d6Al Viro#define ei_inb_p(port) in_8(port) 378c6270f957f0eaa343e4a609159c4b85038468d6Al Viro#define ei_outb_p(val,port) out_8(port,val) 388c6270f957f0eaa343e4a609159c4b85038468d6Al Viro 398c6270f957f0eaa343e4a609159c4b85038468d6Al Virostatic const char version[] = 408c6270f957f0eaa343e4a609159c4b85038468d6Al Viro "8390.c:v1.10cvs 9/23/94 Donald Becker (becker@cesdis.gsfc.nasa.gov)\n"; 418c6270f957f0eaa343e4a609159c4b85038468d6Al Viro 428c6270f957f0eaa343e4a609159c4b85038468d6Al Viro#include "lib8390.c" 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NE_EN0_DCFG (0x0e*2) 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NESM_START_PG 0x0 /* First page of TX buffer */ 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NESM_STOP_PG 0x40 /* Last page +1 of RX ring */ 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HYDRA_NIC_BASE 0xffe1 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HYDRA_ADDRPROM 0xffc0 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HYDRA_VERSION "v3.0alpha" 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WORDSWAP(a) ((((a)>>8)&0xff) | ((a)<<8)) 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __devinit hydra_init_one(struct zorro_dev *z, 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const struct zorro_device_id *ent); 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __devinit hydra_init(struct zorro_dev *z); 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int hydra_open(struct net_device *dev); 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int hydra_close(struct net_device *dev); 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void hydra_reset_8390(struct net_device *dev); 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void hydra_get_8390_hdr(struct net_device *dev, 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct e8390_pkt_hdr *hdr, int ring_page); 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void hydra_block_input(struct net_device *dev, int count, 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb, int ring_offset); 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void hydra_block_output(struct net_device *dev, int count, 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const unsigned char *buf, int start_page); 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __devexit hydra_remove_one(struct zorro_dev *z); 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct zorro_device_id hydra_zorro_tbl[] __devinitdata = { 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { ZORRO_PROD_HYDRA_SYSTEMS_AMIGANET }, 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0 } 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 74bf54a2b3c0dbf76136f00ff785bf6d8f6291311dGeert UytterhoevenMODULE_DEVICE_TABLE(zorro, hydra_zorro_tbl); 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct zorro_driver hydra_driver = { 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "hydra", 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .id_table = hydra_zorro_tbl, 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .probe = hydra_init_one, 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .remove = __devexit_p(hydra_remove_one), 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __devinit hydra_init_one(struct zorro_dev *z, 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const struct zorro_device_id *ent) 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int err; 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!request_mem_region(z->resource.start, 0x10000, "Hydra")) 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EBUSY; 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((err = hydra_init(z))) { 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds release_mem_region(z->resource.start, 0x10000); 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EBUSY; 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 97e42130039c85826567d4e4864f2c7492578576cbAlexey Dobriyanstatic const struct net_device_ops hydra_netdev_ops = { 985618f0d1193d6b051da9b59b0e32ad24397f06a4Stephen Hemminger .ndo_open = hydra_open, 995618f0d1193d6b051da9b59b0e32ad24397f06a4Stephen Hemminger .ndo_stop = hydra_close, 1005618f0d1193d6b051da9b59b0e32ad24397f06a4Stephen Hemminger 1015618f0d1193d6b051da9b59b0e32ad24397f06a4Stephen Hemminger .ndo_start_xmit = ei_start_xmit, 1025618f0d1193d6b051da9b59b0e32ad24397f06a4Stephen Hemminger .ndo_tx_timeout = ei_tx_timeout, 1035618f0d1193d6b051da9b59b0e32ad24397f06a4Stephen Hemminger .ndo_get_stats = ei_get_stats, 1045618f0d1193d6b051da9b59b0e32ad24397f06a4Stephen Hemminger .ndo_set_multicast_list = ei_set_multicast_list, 1055618f0d1193d6b051da9b59b0e32ad24397f06a4Stephen Hemminger .ndo_validate_addr = eth_validate_addr, 106fe96aaa14f553f0eb7af0e3502563a5400c65257Stephen Hemminger .ndo_set_mac_address = eth_mac_addr, 1075618f0d1193d6b051da9b59b0e32ad24397f06a4Stephen Hemminger .ndo_change_mtu = eth_change_mtu, 1085618f0d1193d6b051da9b59b0e32ad24397f06a4Stephen Hemminger#ifdef CONFIG_NET_POLL_CONTROLLER 1095618f0d1193d6b051da9b59b0e32ad24397f06a4Stephen Hemminger .ndo_poll_controller = ei_poll, 1105618f0d1193d6b051da9b59b0e32ad24397f06a4Stephen Hemminger#endif 1115618f0d1193d6b051da9b59b0e32ad24397f06a4Stephen Hemminger}; 1125618f0d1193d6b051da9b59b0e32ad24397f06a4Stephen Hemminger 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __devinit hydra_init(struct zorro_dev *z) 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct net_device *dev; 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long board = ZTWO_VADDR(z->resource.start); 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long ioaddr = board+HYDRA_NIC_BASE; 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const char name[] = "NE2000"; 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int start_page, stop_page; 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int j; 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int err; 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds static u32 hydra_offsets[16] = { 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e, 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds }; 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1285618f0d1193d6b051da9b59b0e32ad24397f06a4Stephen Hemminger dev = alloc_ei_netdev(); 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dev) 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOMEM; 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for(j = 0; j < ETHER_ADDR_LEN; j++) 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->dev_addr[j] = *((u8 *)(board + HYDRA_ADDRPROM + 2*j)); 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* We must set the 8390 for word mode. */ 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds z_writeb(0x4b, ioaddr + NE_EN0_DCFG); 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds start_page = NESM_START_PG; 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds stop_page = NESM_STOP_PG; 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->base_addr = ioaddr; 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev->irq = IRQ_AMIGA_PORTS; 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Install the Interrupt handler */ 1448c6270f957f0eaa343e4a609159c4b85038468d6Al Viro if (request_irq(IRQ_AMIGA_PORTS, __ei_interrupt, IRQF_SHARED, "Hydra Ethernet", 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev)) { 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds free_netdev(dev); 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EAGAIN; 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ei_status.name = name; 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ei_status.tx_start_page = start_page; 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ei_status.stop_page = stop_page; 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ei_status.word16 = 1; 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ei_status.bigendian = 1; 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ei_status.rx_start_page = start_page + TX_PAGES; 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 158c061b18df0f1fe3f50fe451dbbdc9ede3c19701aJoe Perches ei_status.reset_8390 = hydra_reset_8390; 159c061b18df0f1fe3f50fe451dbbdc9ede3c19701aJoe Perches ei_status.block_input = hydra_block_input; 160c061b18df0f1fe3f50fe451dbbdc9ede3c19701aJoe Perches ei_status.block_output = hydra_block_output; 161c061b18df0f1fe3f50fe451dbbdc9ede3c19701aJoe Perches ei_status.get_8390_hdr = hydra_get_8390_hdr; 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ei_status.reg_offset = hydra_offsets; 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1645618f0d1193d6b051da9b59b0e32ad24397f06a4Stephen Hemminger dev->netdev_ops = &hydra_netdev_ops; 1658c6270f957f0eaa343e4a609159c4b85038468d6Al Viro __NS8390_init(dev, 0); 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = register_netdev(dev); 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err) { 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds free_irq(IRQ_AMIGA_PORTS, dev); 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds free_netdev(dev); 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds zorro_set_drvdata(z, dev); 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 176cf33ce15463b784a1d648905fc067fa4d6b17466Randy Dunlap printk(KERN_INFO "%s: Hydra at 0x%08llx, address " 177e174961ca1a0b28f7abf0be47973ad57cb74e5f0Johannes Berg "%pM (hydra.c " HYDRA_VERSION ")\n", 178cf33ce15463b784a1d648905fc067fa4d6b17466Randy Dunlap dev->name, (unsigned long long)z->resource.start, dev->dev_addr); 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int hydra_open(struct net_device *dev) 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1858c6270f957f0eaa343e4a609159c4b85038468d6Al Viro __ei_open(dev); 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int hydra_close(struct net_device *dev) 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ei_debug > 1) 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_DEBUG "%s: Shutting down ethercard.\n", dev->name); 1938c6270f957f0eaa343e4a609159c4b85038468d6Al Viro __ei_close(dev); 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void hydra_reset_8390(struct net_device *dev) 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_INFO "Hydra hw reset not there\n"); 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void hydra_get_8390_hdr(struct net_device *dev, 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct e8390_pkt_hdr *hdr, int ring_page) 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int nic_base = dev->base_addr; 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds short *ptrs; 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long hdr_start= (nic_base-HYDRA_NIC_BASE) + 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((ring_page - NESM_START_PG)<<8); 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ptrs = (short *)hdr; 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *(ptrs++) = z_readw(hdr_start); 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *((short *)hdr) = WORDSWAP(*((short *)hdr)); 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hdr_start += 2; 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *(ptrs++) = z_readw(hdr_start); 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *((short *)hdr+1) = WORDSWAP(*((short *)hdr+1)); 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void hydra_block_input(struct net_device *dev, int count, 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sk_buff *skb, int ring_offset) 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long nic_base = dev->base_addr; 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long mem_base = nic_base - HYDRA_NIC_BASE; 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long xfer_start = mem_base + ring_offset - (NESM_START_PG<<8); 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (count&1) 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count++; 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (xfer_start+count > mem_base + (NESM_STOP_PG<<8)) { 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int semi_count = (mem_base + (NESM_STOP_PG<<8)) - xfer_start; 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds z_memcpy_fromio(skb->data,xfer_start,semi_count); 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count -= semi_count; 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds z_memcpy_fromio(skb->data+semi_count, mem_base, count); 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds z_memcpy_fromio(skb->data, xfer_start,count); 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void hydra_block_output(struct net_device *dev, int count, 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const unsigned char *buf, int start_page) 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long nic_base = dev->base_addr; 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long mem_base = nic_base - HYDRA_NIC_BASE; 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (count&1) 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds count++; 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds z_memcpy_toio(mem_base+((start_page - NESM_START_PG)<<8), buf, count); 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __devexit hydra_remove_one(struct zorro_dev *z) 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct net_device *dev = zorro_get_drvdata(z); 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unregister_netdev(dev); 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds free_irq(IRQ_AMIGA_PORTS, dev); 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds release_mem_region(ZTWO_PADDR(dev->base_addr)-HYDRA_NIC_BASE, 0x10000); 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds free_netdev(dev); 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __init hydra_init_module(void) 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 26333d8675ea66e79d21da3ed64ce88dfb2a18bc6a7Bjorn Helgaas return zorro_register_driver(&hydra_driver); 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __exit hydra_cleanup_module(void) 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds zorro_unregister_driver(&hydra_driver); 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_init(hydra_init_module); 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_exit(hydra_cleanup_module); 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 275