aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/ac3200.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ac3200.c')
-rw-r--r--drivers/net/ac3200.c432
1 files changed, 0 insertions, 432 deletions
diff --git a/drivers/net/ac3200.c b/drivers/net/ac3200.c
deleted file mode 100644
index f07b2e980fbc..000000000000
--- a/drivers/net/ac3200.c
+++ /dev/null
@@ -1,432 +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 <linux/interrupt.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 */
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 05:00:09 +0000