summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/8390/hp.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/8390/hp.c')
-rw-r--r--drivers/net/ethernet/8390/hp.c438
1 files changed, 0 insertions, 438 deletions
diff --git a/drivers/net/ethernet/8390/hp.c b/drivers/net/ethernet/8390/hp.c
deleted file mode 100644
index 37fa89aa4578..000000000000
--- a/drivers/net/ethernet/8390/hp.c
+++ /dev/null
@@ -1,438 +0,0 @@
-/* hp.c: A HP LAN ethernet driver for linux. */
-/*
- Written 1993-94 by Donald Becker.
-
- Copyright 1993 United States Government as represented by the
- Director, National Security Agency.
-
- This software may be used and distributed according to the terms
- of the GNU General Public License, 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 a driver for the HP PC-LAN adaptors.
-
- Sources:
- The Crynwr packet driver.
-*/
-
-static const char version[] =
- "hp.c:v1.10 9/23/94 Donald Becker (becker@cesdis.gsfc.nasa.gov)\n";
-
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/ioport.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/delay.h>
-
-#include <asm/io.h>
-
-#include "8390.h"
-
-#define DRV_NAME "hp"
-
-/* A zero-terminated list of I/O addresses to be probed. */
-static unsigned int hppclan_portlist[] __initdata =
-{ 0x300, 0x320, 0x340, 0x280, 0x2C0, 0x200, 0x240, 0};
-
-#define HP_IO_EXTENT 32
-
-#define HP_DATAPORT 0x0c /* "Remote DMA" data port. */
-#define HP_ID 0x07
-#define HP_CONFIGURE 0x08 /* Configuration register. */
-#define HP_RUN 0x01 /* 1 == Run, 0 == reset. */
-#define HP_IRQ 0x0E /* Mask for software-configured IRQ line. */
-#define HP_DATAON 0x10 /* Turn on dataport */
-#define NIC_OFFSET 0x10 /* Offset the 8390 registers. */
-
-#define HP_START_PG 0x00 /* First page of TX buffer */
-#define HP_8BSTOP_PG 0x80 /* Last page +1 of RX ring */
-#define HP_16BSTOP_PG 0xFF /* Same, for 16 bit cards. */
-
-static int hp_probe1(struct net_device *dev, int ioaddr);
-
-static void hp_reset_8390(struct net_device *dev);
-static void hp_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr,
- int ring_page);
-static void hp_block_input(struct net_device *dev, int count,
- struct sk_buff *skb , int ring_offset);
-static void hp_block_output(struct net_device *dev, int count,
- const unsigned char *buf, int start_page);
-
-static void hp_init_card(struct net_device *dev);
-
-/* The map from IRQ number to HP_CONFIGURE register setting. */
-/* My default is IRQ5 0 1 2 3 4 5 6 7 8 9 10 11 */
-static char irqmap[16] __initdata= { 0, 0, 4, 6, 8,10, 0,14, 0, 4, 2,12,0,0,0,0};
-
-
-/* Probe for an HP LAN adaptor.
- Also initialize the card and fill in STATION_ADDR with the station
- address. */
-
-static int __init do_hp_probe(struct net_device *dev)
-{
- int i;
- int base_addr = dev->base_addr;
- int irq = dev->irq;
-
- if (base_addr > 0x1ff) /* Check a single specified location. */
- return hp_probe1(dev, base_addr);
- else if (base_addr != 0) /* Don't probe at all. */
- return -ENXIO;
-
- for (i = 0; hppclan_portlist[i]; i++) {
- if (hp_probe1(dev, hppclan_portlist[i]) == 0)
- return 0;
- dev->irq = irq;
- }
-
- return -ENODEV;
-}
-
-#ifndef MODULE
-struct net_device * __init hp_probe(int unit)
-{
- struct net_device *dev = alloc_eip_netdev();
- int err;
-
- if (!dev)
- return ERR_PTR(-ENOMEM);
-
- sprintf(dev->name, "eth%d", unit);
- netdev_boot_setup_check(dev);
-
- err = do_hp_probe(dev);
- if (err)
- goto out;
- return dev;
-out:
- free_netdev(dev);
- return ERR_PTR(err);
-}
-#endif
-
-static int __init hp_probe1(struct net_device *dev, int ioaddr)
-{
- int i, retval, board_id, wordmode;
- const char *name;
- static unsigned version_printed;
-
- if (!request_region(ioaddr, HP_IO_EXTENT, DRV_NAME))
- return -EBUSY;
-
- /* Check for the HP physical address, 08 00 09 xx xx xx. */
- /* This really isn't good enough: we may pick up HP LANCE boards
- also! Avoid the lance 0x5757 signature. */
- if (inb(ioaddr) != 0x08
- || inb(ioaddr+1) != 0x00
- || inb(ioaddr+2) != 0x09
- || inb(ioaddr+14) == 0x57) {
- retval = -ENODEV;
- goto out;
- }
-
- /* Set up the parameters based on the board ID.
- If you have additional mappings, please mail them to me -djb. */
- if ((board_id = inb(ioaddr + HP_ID)) & 0x80) {
- name = "HP27247";
- wordmode = 1;
- } else {
- name = "HP27250";
- wordmode = 0;
- }
-
- if (ei_debug && version_printed++ == 0)
- printk(version);
-
- printk("%s: %s (ID %02x) at %#3x,", dev->name, name, board_id, ioaddr);
-
- for(i = 0; i < ETH_ALEN; i++)
- dev->dev_addr[i] = inb(ioaddr + i);
-
- printk(" %pM", dev->dev_addr);
-
- /* Snarf the interrupt now. Someday this could be moved to open(). */
- if (dev->irq < 2) {
- static const int irq_16list[] = { 11, 10, 5, 3, 4, 7, 9, 0};
- static const int irq_8list[] = { 7, 5, 3, 4, 9, 0};
- const int *irqp = wordmode ? irq_16list : irq_8list;
- do {
- int irq = *irqp;
- if (request_irq (irq, NULL, 0, "bogus", NULL) != -EBUSY) {
- unsigned long cookie = probe_irq_on();
- /* Twinkle the interrupt, and check if it's seen. */
- outb_p(irqmap[irq] | HP_RUN, ioaddr + HP_CONFIGURE);
- outb_p( 0x00 | HP_RUN, ioaddr + HP_CONFIGURE);
- if (irq == probe_irq_off(cookie) /* It's a good IRQ line! */
- && request_irq (irq, eip_interrupt, 0, DRV_NAME, dev) == 0) {
- printk(" selecting IRQ %d.\n", irq);
- dev->irq = *irqp;
- break;
- }
- }
- } while (*++irqp);
- if (*irqp == 0) {
- printk(" no free IRQ lines.\n");
- retval = -EBUSY;
- goto out;
- }
- } else {
- if (dev->irq == 2)
- dev->irq = 9;
- if ((retval = request_irq(dev->irq, eip_interrupt, 0, DRV_NAME, dev))) {
- printk (" unable to get IRQ %d.\n", dev->irq);
- goto out;
- }
- }
-
- /* Set the base address to point to the NIC, not the "real" base! */
- dev->base_addr = ioaddr + NIC_OFFSET;
- dev->netdev_ops = &eip_netdev_ops;
-
- ei_status.name = name;
- ei_status.word16 = wordmode;
- ei_status.tx_start_page = HP_START_PG;
- ei_status.rx_start_page = HP_START_PG + TX_PAGES;
- ei_status.stop_page = wordmode ? HP_16BSTOP_PG : HP_8BSTOP_PG;
-
- ei_status.reset_8390 = hp_reset_8390;
- ei_status.get_8390_hdr = hp_get_8390_hdr;
- ei_status.block_input = hp_block_input;
- ei_status.block_output = hp_block_output;
- hp_init_card(dev);
-
- retval = register_netdev(dev);
- if (retval)
- goto out1;
- return 0;
-out1:
- free_irq(dev->irq, dev);
-out:
- release_region(ioaddr, HP_IO_EXTENT);
- return retval;
-}
-
-static void
-hp_reset_8390(struct net_device *dev)
-{
- int hp_base = dev->base_addr - NIC_OFFSET;
- int saved_config = inb_p(hp_base + HP_CONFIGURE);
-
- if (ei_debug > 1) printk("resetting the 8390 time=%ld...", jiffies);
- outb_p(0x00, hp_base + HP_CONFIGURE);
- ei_status.txing = 0;
- /* Pause just a few cycles for the hardware reset to take place. */
- udelay(5);
-
- outb_p(saved_config, hp_base + HP_CONFIGURE);
- udelay(5);
-
- if ((inb_p(hp_base+NIC_OFFSET+EN0_ISR) & ENISR_RESET) == 0)
- printk("%s: hp_reset_8390() did not complete.\n", dev->name);
-
- if (ei_debug > 1) printk("8390 reset done (%ld).", jiffies);
-}
-
-static void
-hp_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
-{
- int nic_base = dev->base_addr;
- int saved_config = inb_p(nic_base - NIC_OFFSET + HP_CONFIGURE);
-
- outb_p(saved_config | HP_DATAON, nic_base - NIC_OFFSET + HP_CONFIGURE);
- outb_p(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base);
- outb_p(sizeof(struct e8390_pkt_hdr), nic_base + EN0_RCNTLO);
- outb_p(0, nic_base + EN0_RCNTHI);
- outb_p(0, nic_base + EN0_RSARLO); /* On page boundary */
- outb_p(ring_page, nic_base + EN0_RSARHI);
- outb_p(E8390_RREAD+E8390_START, nic_base);
-
- if (ei_status.word16)
- insw(nic_base - NIC_OFFSET + HP_DATAPORT, hdr, sizeof(struct e8390_pkt_hdr)>>1);
- else
- insb(nic_base - NIC_OFFSET + HP_DATAPORT, hdr, sizeof(struct e8390_pkt_hdr));
-
- outb_p(saved_config & (~HP_DATAON), nic_base - NIC_OFFSET + HP_CONFIGURE);
-}
-
-/* Block input and output, similar to the Crynwr packet driver. If you are
- porting to a new ethercard look at the packet driver source for hints.
- The HP LAN doesn't use shared memory -- we put the packet
- out through the "remote DMA" dataport. */
-
-static void
-hp_block_input(struct net_device *dev, int count, struct sk_buff *skb, int ring_offset)
-{
- int nic_base = dev->base_addr;
- int saved_config = inb_p(nic_base - NIC_OFFSET + HP_CONFIGURE);
- int xfer_count = count;
- char *buf = skb->data;
-
- outb_p(saved_config | HP_DATAON, nic_base - NIC_OFFSET + HP_CONFIGURE);
- outb_p(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base);
- outb_p(count & 0xff, nic_base + EN0_RCNTLO);
- outb_p(count >> 8, nic_base + EN0_RCNTHI);
- outb_p(ring_offset & 0xff, nic_base + EN0_RSARLO);
- outb_p(ring_offset >> 8, nic_base + EN0_RSARHI);
- outb_p(E8390_RREAD+E8390_START, nic_base);
- if (ei_status.word16) {
- insw(nic_base - NIC_OFFSET + HP_DATAPORT,buf,count>>1);
- if (count & 0x01)
- buf[count-1] = inb(nic_base - NIC_OFFSET + HP_DATAPORT), xfer_count++;
- } else {
- insb(nic_base - NIC_OFFSET + HP_DATAPORT, buf, count);
- }
- /* This is for the ALPHA version only, remove for later releases. */
- if (ei_debug > 0) { /* DMA termination address check... */
- int high = inb_p(nic_base + EN0_RSARHI);
- int low = inb_p(nic_base + EN0_RSARLO);
- int addr = (high << 8) + low;
- /* Check only the lower 8 bits so we can ignore ring wrap. */
- if (((ring_offset + xfer_count) & 0xff) != (addr & 0xff))
- printk("%s: RX transfer address mismatch, %#4.4x vs. %#4.4x (actual).\n",
- dev->name, ring_offset + xfer_count, addr);
- }
- outb_p(saved_config & (~HP_DATAON), nic_base - NIC_OFFSET + HP_CONFIGURE);
-}
-
-static void
-hp_block_output(struct net_device *dev, int count,
- const unsigned char *buf, int start_page)
-{
- int nic_base = dev->base_addr;
- int saved_config = inb_p(nic_base - NIC_OFFSET + HP_CONFIGURE);
-
- outb_p(saved_config | HP_DATAON, nic_base - NIC_OFFSET + HP_CONFIGURE);
- /* Round the count up for word writes. Do we need to do this?
- What effect will an odd byte count have on the 8390?
- I should check someday. */
- if (ei_status.word16 && (count & 0x01))
- count++;
- /* We should already be in page 0, but to be safe... */
- outb_p(E8390_PAGE0+E8390_START+E8390_NODMA, nic_base);
-
-#ifdef NE8390_RW_BUGFIX
- /* Handle the read-before-write bug the same way as the
- Crynwr packet driver -- the NatSemi method doesn't work. */
- outb_p(0x42, nic_base + EN0_RCNTLO);
- outb_p(0, nic_base + EN0_RCNTHI);
- outb_p(0xff, nic_base + EN0_RSARLO);
- outb_p(0x00, nic_base + EN0_RSARHI);
-#define NE_CMD 0x00
- outb_p(E8390_RREAD+E8390_START, nic_base + NE_CMD);
- /* Make certain that the dummy read has occurred. */
- inb_p(0x61);
- inb_p(0x61);
-#endif
-
- outb_p(count & 0xff, nic_base + EN0_RCNTLO);
- outb_p(count >> 8, nic_base + EN0_RCNTHI);
- outb_p(0x00, nic_base + EN0_RSARLO);
- outb_p(start_page, nic_base + EN0_RSARHI);
-
- outb_p(E8390_RWRITE+E8390_START, nic_base);
- if (ei_status.word16) {
- /* Use the 'rep' sequence for 16 bit boards. */
- outsw(nic_base - NIC_OFFSET + HP_DATAPORT, buf, count>>1);
- } else {
- outsb(nic_base - NIC_OFFSET + HP_DATAPORT, buf, count);
- }
-
- /* DON'T check for 'inb_p(EN0_ISR) & ENISR_RDC' here -- it's broken! */
-
- /* This is for the ALPHA version only, remove for later releases. */
- if (ei_debug > 0) { /* DMA termination address check... */
- int high = inb_p(nic_base + EN0_RSARHI);
- int low = inb_p(nic_base + EN0_RSARLO);
- int addr = (high << 8) + low;
- if ((start_page << 8) + count != addr)
- printk("%s: TX Transfer address mismatch, %#4.4x vs. %#4.4x.\n",
- dev->name, (start_page << 8) + count, addr);
- }
- outb_p(saved_config & (~HP_DATAON), nic_base - NIC_OFFSET + HP_CONFIGURE);
-}
-
-/* This function resets the ethercard if something screws up. */
-static void __init
-hp_init_card(struct net_device *dev)
-{
- int irq = dev->irq;
- NS8390p_init(dev, 0);
- outb_p(irqmap[irq&0x0f] | HP_RUN,
- dev->base_addr - NIC_OFFSET + HP_CONFIGURE);
-}
-
-#ifdef MODULE
-#define MAX_HP_CARDS 4 /* Max number of HP cards per module */
-static struct net_device *dev_hp[MAX_HP_CARDS];
-static int io[MAX_HP_CARDS];
-static int irq[MAX_HP_CARDS];
-
-module_param_array(io, int, NULL, 0);
-module_param_array(irq, int, NULL, 0);
-MODULE_PARM_DESC(io, "I/O base address(es)");
-MODULE_PARM_DESC(irq, "IRQ number(s) (assigned)");
-MODULE_DESCRIPTION("HP PC-LAN ISA ethernet driver");
-MODULE_LICENSE("GPL");
-
-/* This is set up so that only a single autoprobe takes place per call.
-ISA device autoprobes on a running machine are not recommended. */
-int __init
-init_module(void)
-{
- struct net_device *dev;
- int this_dev, found = 0;
-
- for (this_dev = 0; this_dev < MAX_HP_CARDS; this_dev++) {
- if (io[this_dev] == 0) {
- if (this_dev != 0) break; /* only autoprobe 1st one */
- printk(KERN_NOTICE "hp.c: Presently autoprobing (not recommended) for a single card.\n");
- }
- dev = alloc_eip_netdev();
- if (!dev)
- break;
- dev->irq = irq[this_dev];
- dev->base_addr = io[this_dev];
- if (do_hp_probe(dev) == 0) {
- dev_hp[found++] = dev;
- continue;
- }
- free_netdev(dev);
- printk(KERN_WARNING "hp.c: No HP 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)
-{
- free_irq(dev->irq, dev);
- release_region(dev->base_addr - NIC_OFFSET, HP_IO_EXTENT);
-}
-
-void __exit
-cleanup_module(void)
-{
- int this_dev;
-
- for (this_dev = 0; this_dev < MAX_HP_CARDS; this_dev++) {
- struct net_device *dev = dev_hp[this_dev];
- if (dev) {
- unregister_netdev(dev);
- cleanup_card(dev);
- free_netdev(dev);
- }
- }
-}
-#endif /* MODULE */
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-16 14:42:23 +0300