diff options
Diffstat (limited to 'drivers/net/ac3200.c')
| -rw-r--r-- | drivers/net/ac3200.c | 431 | 
1 files changed, 0 insertions, 431 deletions
diff --git a/drivers/net/ac3200.c b/drivers/net/ac3200.c deleted file mode 100644 index 5181e932211..00000000000 --- a/drivers/net/ac3200.c +++ /dev/null @@ -1,431 +0,0 @@ -/* ac3200.c: A driver for the Ansel Communications EISA ethernet adaptor. */ -/* -	Written 1993, 1994 by Donald Becker. -	Copyright 1993 United States Government as represented by the Director, -	National Security Agency.  This software may only be used and distributed -	according to the terms of the GNU General Public License as modified by SRC, -	incorporated herein by reference. - -	The author may be reached as becker@scyld.com, or C/O -	Scyld Computing Corporation -	410 Severn Ave., Suite 210 -	Annapolis MD 21403 - -	This is driver for the Ansel Communications Model 3200 EISA Ethernet LAN -	Adapter.  The programming information is from the users manual, as related -	by glee@ardnassak.math.clemson.edu. - -	Changelog: - -	Paul Gortmaker 05/98	: add support for shared mem above 1MB. - -  */ - -static const char version[] = -	"ac3200.c:v1.01 7/1/94 Donald Becker (becker@cesdis.gsfc.nasa.gov)\n"; - -#include <linux/module.h> -#include <linux/eisa.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/init.h> - -#include <asm/system.h> -#include <asm/io.h> -#include <asm/irq.h> - -#include "8390.h" - -#define DRV_NAME	"ac3200" - -/* Offsets from the base address. */ -#define AC_NIC_BASE	0x00 -#define AC_SA_PROM	0x16			/* The station address PROM. */ -#define AC_ADDR0	0x00			/* Prefix station address values. */ -#define AC_ADDR1	0x40 -#define AC_ADDR2	0x90 -#define AC_ID_PORT	0xC80 -#define AC_EISA_ID	0x0110d305 -#define AC_RESET_PORT	0xC84 -#define AC_RESET	0x00 -#define AC_ENABLE	0x01 -#define AC_CONFIG	0xC90	/* The configuration port. */ - -#define AC_IO_EXTENT 0x20 -                                /* Actually accessed is: -								 * AC_NIC_BASE (0-15) -								 * AC_SA_PROM (0-5) -								 * AC_ID_PORT (0-3) -								 * AC_RESET_PORT -								 * AC_CONFIG -								 */ - -/* Decoding of the configuration register. */ -static unsigned char config2irqmap[8] __initdata = {15, 12, 11, 10, 9, 7, 5, 3}; -static int addrmap[8] = -{0xFF0000, 0xFE0000, 0xFD0000, 0xFFF0000, 0xFFE0000, 0xFFC0000,  0xD0000, 0 }; -static const char *port_name[4] = { "10baseT", "invalid", "AUI", "10base2"}; - -#define config2irq(configval)	config2irqmap[((configval) >> 3) & 7] -#define config2mem(configval)	addrmap[(configval) & 7] -#define config2name(configval)	port_name[((configval) >> 6) & 3] - -/* First and last 8390 pages. */ -#define AC_START_PG		0x00	/* First page of 8390 TX buffer */ -#define AC_STOP_PG		0x80	/* Last page +1 of the 8390 RX ring */ - -static int ac_probe1(int ioaddr, struct net_device *dev); - -static int ac_open(struct net_device *dev); -static void ac_reset_8390(struct net_device *dev); -static void ac_block_input(struct net_device *dev, int count, -					struct sk_buff *skb, int ring_offset); -static void ac_block_output(struct net_device *dev, const int count, -							const unsigned char *buf, const int start_page); -static void ac_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, -					int ring_page); - -static int ac_close_card(struct net_device *dev); - - -/*	Probe for the AC3200. - -	The AC3200 can be identified by either the EISA configuration registers, -	or the unique value in the station address PROM. -	*/ - -static int __init do_ac3200_probe(struct net_device *dev) -{ -	unsigned short ioaddr = dev->base_addr; -	int irq = dev->irq; -	int mem_start = dev->mem_start; - -	if (ioaddr > 0x1ff)		/* Check a single specified location. */ -		return ac_probe1(ioaddr, dev); -	else if (ioaddr > 0)		/* Don't probe at all. */ -		return -ENXIO; - -	if ( ! EISA_bus) -		return -ENXIO; - -	for (ioaddr = 0x1000; ioaddr < 0x9000; ioaddr += 0x1000) { -		if (ac_probe1(ioaddr, dev) == 0) -			return 0; -		dev->irq = irq; -		dev->mem_start = mem_start; -	} - -	return -ENODEV; -} - -#ifndef MODULE -struct net_device * __init ac3200_probe(int unit) -{ -	struct net_device *dev = alloc_ei_netdev(); -	int err; - -	if (!dev) -		return ERR_PTR(-ENOMEM); - -	sprintf(dev->name, "eth%d", unit); -	netdev_boot_setup_check(dev); - -	err = do_ac3200_probe(dev); -	if (err) -		goto out; -	return dev; -out: -	free_netdev(dev); -	return ERR_PTR(err); -} -#endif - -static const struct net_device_ops ac_netdev_ops = { -	.ndo_open		= ac_open, -	.ndo_stop 		= ac_close_card, - -	.ndo_start_xmit		= ei_start_xmit, -	.ndo_tx_timeout		= ei_tx_timeout, -	.ndo_get_stats		= ei_get_stats, -	.ndo_set_multicast_list = ei_set_multicast_list, -	.ndo_validate_addr	= eth_validate_addr, -	.ndo_set_mac_address 	= eth_mac_addr, -	.ndo_change_mtu		= eth_change_mtu, -#ifdef CONFIG_NET_POLL_CONTROLLER -	.ndo_poll_controller	= ei_poll, -#endif -}; - -static int __init ac_probe1(int ioaddr, struct net_device *dev) -{ -	int i, retval; - -	if (!request_region(ioaddr, AC_IO_EXTENT, DRV_NAME)) -		return -EBUSY; - -	if (inb_p(ioaddr + AC_ID_PORT) == 0xff) { -		retval = -ENODEV; -		goto out; -	} - -	if (inl(ioaddr + AC_ID_PORT) != AC_EISA_ID) { -		retval = -ENODEV; -		goto out; -	} - -#ifndef final_version -	printk(KERN_DEBUG "AC3200 ethercard configuration register is %#02x," -		   " EISA ID %02x %02x %02x %02x.\n", inb(ioaddr + AC_CONFIG), -		   inb(ioaddr + AC_ID_PORT + 0), inb(ioaddr + AC_ID_PORT + 1), -		   inb(ioaddr + AC_ID_PORT + 2), inb(ioaddr + AC_ID_PORT + 3)); -#endif - -	for (i = 0; i < 6; i++) -		dev->dev_addr[i] = inb(ioaddr + AC_SA_PROM + i); - -	printk(KERN_DEBUG "AC3200 in EISA slot %d, node %pM", -	       ioaddr/0x1000, dev->dev_addr); -#if 0 -	/* Check the vendor ID/prefix. Redundant after checking the EISA ID */ -	if (inb(ioaddr + AC_SA_PROM + 0) != AC_ADDR0 -		|| inb(ioaddr + AC_SA_PROM + 1) != AC_ADDR1 -		|| inb(ioaddr + AC_SA_PROM + 2) != AC_ADDR2 ) { -		printk(", not found (invalid prefix).\n"); -		retval = -ENODEV; -		goto out; -	} -#endif - -	/* Assign and allocate the interrupt now. */ -	if (dev->irq == 0) { -		dev->irq = config2irq(inb(ioaddr + AC_CONFIG)); -		printk(", using"); -	} else { -		dev->irq = irq_canonicalize(dev->irq); -		printk(", assigning"); -	} - -	retval = request_irq(dev->irq, ei_interrupt, 0, DRV_NAME, dev); -	if (retval) { -		printk (" nothing! Unable to get IRQ %d.\n", dev->irq); -		goto out; -	} - -	printk(" IRQ %d, %s port\n", dev->irq, port_name[dev->if_port]); - -	dev->base_addr = ioaddr; - -#ifdef notyet -	if (dev->mem_start)	{		/* Override the value from the board. */ -		for (i = 0; i < 7; i++) -			if (addrmap[i] == dev->mem_start) -				break; -		if (i >= 7) -			i = 0; -		outb((inb(ioaddr + AC_CONFIG) & ~7) | i, ioaddr + AC_CONFIG); -	} -#endif - -	dev->if_port = inb(ioaddr + AC_CONFIG) >> 6; -	dev->mem_start = config2mem(inb(ioaddr + AC_CONFIG)); - -	printk("%s: AC3200 at %#3x with %dkB memory at physical address %#lx.\n", -			dev->name, ioaddr, AC_STOP_PG/4, dev->mem_start); - -	/* -	 *  BEWARE!! Some dain-bramaged EISA SCUs will allow you to put -	 *  the card mem within the region covered by `normal' RAM  !!! -	 * -	 *  ioremap() will fail in that case. -	 */ -	ei_status.mem = ioremap(dev->mem_start, AC_STOP_PG*0x100); -	if (!ei_status.mem) { -		printk(KERN_ERR "ac3200.c: Unable to remap card memory above 1MB !!\n"); -		printk(KERN_ERR "ac3200.c: Try using EISA SCU to set memory below 1MB.\n"); -		printk(KERN_ERR "ac3200.c: Driver NOT installed.\n"); -		retval = -EINVAL; -		goto out1; -	} -	printk("ac3200.c: remapped %dkB card memory to virtual address %p\n", -			AC_STOP_PG/4, ei_status.mem); - -	dev->mem_start = (unsigned long)ei_status.mem; -	dev->mem_end = dev->mem_start + (AC_STOP_PG - AC_START_PG)*256; - -	ei_status.name = "AC3200"; -	ei_status.tx_start_page = AC_START_PG; -	ei_status.rx_start_page = AC_START_PG + TX_PAGES; -	ei_status.stop_page = AC_STOP_PG; -	ei_status.word16 = 1; - -	if (ei_debug > 0) -		printk(version); - -	ei_status.reset_8390 = &ac_reset_8390; -	ei_status.block_input = &ac_block_input; -	ei_status.block_output = &ac_block_output; -	ei_status.get_8390_hdr = &ac_get_8390_hdr; - -	dev->netdev_ops = &ac_netdev_ops; -	NS8390_init(dev, 0); - -	retval = register_netdev(dev); -	if (retval) -		goto out2; -	return 0; -out2: -	if (ei_status.reg0) -		iounmap(ei_status.mem); -out1: -	free_irq(dev->irq, dev); -out: -	release_region(ioaddr, AC_IO_EXTENT); -	return retval; -} - -static int ac_open(struct net_device *dev) -{ -#ifdef notyet -	/* Someday we may enable the IRQ and shared memory here. */ -	int ioaddr = dev->base_addr; -#endif - -	ei_open(dev); -	return 0; -} - -static void ac_reset_8390(struct net_device *dev) -{ -	ushort ioaddr = dev->base_addr; - -	outb(AC_RESET, ioaddr + AC_RESET_PORT); -	if (ei_debug > 1) printk("resetting AC3200, t=%ld...", jiffies); - -	ei_status.txing = 0; -	outb(AC_ENABLE, ioaddr + AC_RESET_PORT); -	if (ei_debug > 1) printk("reset done\n"); -} - -/* Grab the 8390 specific header. Similar to the block_input routine, but -   we don't need to be concerned with ring wrap as the header will be at -   the start of a page, so we optimize accordingly. */ - -static void -ac_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page) -{ -	void __iomem *hdr_start = ei_status.mem + ((ring_page - AC_START_PG)<<8); -	memcpy_fromio(hdr, hdr_start, sizeof(struct e8390_pkt_hdr)); -} - -/*  Block input and output are easy on shared memory ethercards, the only -	complication is when the ring buffer wraps. */ - -static void ac_block_input(struct net_device *dev, int count, struct sk_buff *skb, -						  int ring_offset) -{ -	void __iomem *start = ei_status.mem + ring_offset - AC_START_PG*256; - -	if (ring_offset + count > AC_STOP_PG*256) { -		/* We must wrap the input move. */ -		int semi_count = AC_STOP_PG*256 - ring_offset; -		memcpy_fromio(skb->data, start, semi_count); -		count -= semi_count; -		memcpy_fromio(skb->data + semi_count, -				ei_status.mem + TX_PAGES*256, count); -	} else { -		memcpy_fromio(skb->data, start, count); -	} -} - -static void ac_block_output(struct net_device *dev, int count, -							const unsigned char *buf, int start_page) -{ -	void __iomem *shmem = ei_status.mem + ((start_page - AC_START_PG)<<8); - -	memcpy_toio(shmem, buf, count); -} - -static int ac_close_card(struct net_device *dev) -{ -	if (ei_debug > 1) -		printk("%s: Shutting down ethercard.\n", dev->name); - -#ifdef notyet -	/* We should someday disable shared memory and interrupts. */ -	outb(0x00, ioaddr + 6);	/* Disable interrupts. */ -	free_irq(dev->irq, dev); -#endif - -	ei_close(dev); -	return 0; -} - -#ifdef MODULE -#define MAX_AC32_CARDS	4	/* Max number of AC32 cards per module */ -static struct net_device *dev_ac32[MAX_AC32_CARDS]; -static int io[MAX_AC32_CARDS]; -static int irq[MAX_AC32_CARDS]; -static int mem[MAX_AC32_CARDS]; -module_param_array(io, int, NULL, 0); -module_param_array(irq, int, NULL, 0); -module_param_array(mem, int, NULL, 0); -MODULE_PARM_DESC(io, "I/O base address(es)"); -MODULE_PARM_DESC(irq, "IRQ number(s)"); -MODULE_PARM_DESC(mem, "Memory base address(es)"); -MODULE_DESCRIPTION("Ansel AC3200 EISA ethernet driver"); -MODULE_LICENSE("GPL"); - -static int __init ac3200_module_init(void) -{ -	struct net_device *dev; -	int this_dev, found = 0; - -	for (this_dev = 0; this_dev < MAX_AC32_CARDS; this_dev++) { -		if (io[this_dev] == 0 && this_dev != 0) -			break; -		dev = alloc_ei_netdev(); -		if (!dev) -			break; -		dev->irq = irq[this_dev]; -		dev->base_addr = io[this_dev]; -		dev->mem_start = mem[this_dev];		/* Currently ignored by driver */ -		if (do_ac3200_probe(dev) == 0) { -			dev_ac32[found++] = dev; -			continue; -		} -		free_netdev(dev); -		printk(KERN_WARNING "ac3200.c: No ac3200 card found (i/o = 0x%x).\n", io[this_dev]); -		break; -	} -	if (found) -		return 0; -	return -ENXIO; -} - -static void cleanup_card(struct net_device *dev) -{ -	/* Someday free_irq may be in ac_close_card() */ -	free_irq(dev->irq, dev); -	release_region(dev->base_addr, AC_IO_EXTENT); -	iounmap(ei_status.mem); -} - -static void __exit ac3200_module_exit(void) -{ -	int this_dev; - -	for (this_dev = 0; this_dev < MAX_AC32_CARDS; this_dev++) { -		struct net_device *dev = dev_ac32[this_dev]; -		if (dev) { -			unregister_netdev(dev); -			cleanup_card(dev); -			free_netdev(dev); -		} -	} -} -module_init(ac3200_module_init); -module_exit(ac3200_module_exit); -#endif /* MODULE */  | 
