11 /* The Amiganet is a Zorro-II board made by Hydra Systems. It contains a    */
12 /* NS8390 NIC (network interface controller) clone, 16 or 64K on-board RAM  */
13 /* and 10BASE-2 (thin coax) and AUI connectors.                             */
33 #define EI_SHIFT(x)	(ei_local->reg_offset[x])
40     "8390.c:v1.10cvs 9/23/94 Donald Becker (becker@cesdis.gsfc.nasa.gov)\n";
44 #define NE_EN0_DCFG     (0x0e*2)
46 #define NESM_START_PG   0x0    /* First page of TX buffer */
47 #define NESM_STOP_PG    0x40    /* Last page +1 of RX ring */
49 #define HYDRA_NIC_BASE 0xffe1
50 #define HYDRA_ADDRPROM 0xffc0
51 #define HYDRA_VERSION "v3.0alpha"
53 #define WORDSWAP(a)     ((((a)>>8)&0xff) | ((a)<<8))  argument
56 static int hydra_init_one(struct zorro_dev *z,
58 static int hydra_init(struct zorro_dev *z);
68 static void hydra_remove_one(struct zorro_dev *z);
72     { 0 }
83 static int hydra_init_one(struct zorro_dev *z,  in hydra_init_one()  argument
88     if (!request_mem_region(z->resource.start, 0x10000, "Hydra"))  in hydra_init_one()
89 	return -EBUSY;  in hydra_init_one()
90     if ((err = hydra_init(z))) {  in hydra_init_one()
91 	release_mem_region(z->resource.start, 0x10000);  in hydra_init_one()
92 	return -EBUSY;  in hydra_init_one()
94     return 0;  in hydra_init_one()
112 static int hydra_init(struct zorro_dev *z)  in hydra_init()  argument
115     unsigned long board = (unsigned long)ZTWO_VADDR(z->resource.start);  in hydra_init()
123 	0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e,  in hydra_init()
124 	0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,  in hydra_init()
127     dev = ____alloc_ei_netdev(0);  in hydra_init()
129 	return -ENOMEM;  in hydra_init()
131     for (j = 0; j < ETH_ALEN; j++)  in hydra_init()
132 	dev->dev_addr[j] = *((u8 *)(board + HYDRA_ADDRPROM + 2*j));  in hydra_init()
135     z_writeb(0x4b, ioaddr + NE_EN0_DCFG);  in hydra_init()
139     dev->base_addr = ioaddr;  in hydra_init()
140     dev->irq = IRQ_AMIGA_PORTS;  in hydra_init()
146 	return -EAGAIN;  in hydra_init()
163     dev->netdev_ops = &hydra_netdev_ops;  in hydra_init()
164     __NS8390_init(dev, 0);  in hydra_init()
173     zorro_set_drvdata(z, dev);  in hydra_init()
176 	    dev->name, &z->resource, dev->dev_addr);  in hydra_init()
178     return 0;  in hydra_init()
184     return 0;  in hydra_open()
193     return 0;  in hydra_close()
204     int nic_base = dev->base_addr;  in hydra_get_8390_hdr()
206     unsigned long hdr_start= (nic_base-HYDRA_NIC_BASE) +  in hydra_get_8390_hdr()
207 			     ((ring_page - NESM_START_PG)<<8);  in hydra_get_8390_hdr()
220     unsigned long nic_base = dev->base_addr;  in hydra_block_input()
221     unsigned long mem_base = nic_base - HYDRA_NIC_BASE;  in hydra_block_input()
222     unsigned long xfer_start = mem_base + ring_offset - (NESM_START_PG<<8);  in hydra_block_input()
228 	int semi_count = (mem_base + (NESM_STOP_PG<<8)) - xfer_start;  in hydra_block_input()
230 	z_memcpy_fromio(skb->data,xfer_start,semi_count);  in hydra_block_input()
231 	count -= semi_count;  in hydra_block_input()
232 	z_memcpy_fromio(skb->data+semi_count, mem_base, count);  in hydra_block_input()
234 	z_memcpy_fromio(skb->data, xfer_start,count);  in hydra_block_input()
241     unsigned long nic_base = dev->base_addr;  in hydra_block_output()
242     unsigned long mem_base = nic_base - HYDRA_NIC_BASE;  in hydra_block_output()
247     z_memcpy_toio(mem_base+((start_page - NESM_START_PG)<<8), buf, count);  in hydra_block_output()
250 static void hydra_remove_one(struct zorro_dev *z)  in hydra_remove_one()  argument
252     struct net_device *dev = zorro_get_drvdata(z);  in hydra_remove_one()
256     release_mem_region(ZTWO_PADDR(dev->base_addr)-HYDRA_NIC_BASE, 0x10000);  in hydra_remove_one()