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path: root/drivers/net/ethernet/8390/lne390.c
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Diffstat (limited to 'drivers/net/ethernet/8390/lne390.c')
-rw-r--r--drivers/net/ethernet/8390/lne390.c433
1 files changed, 0 insertions, 433 deletions
diff --git a/drivers/net/ethernet/8390/lne390.c b/drivers/net/ethernet/8390/lne390.c
deleted file mode 100644
index 479409b..0000000
--- a/drivers/net/ethernet/8390/lne390.c
+++ /dev/null
@@ -1,433 +0,0 @@
-/*
- lne390.c
-
- Linux driver for Mylex LNE390 EISA Network Adapter
-
- Copyright (C) 1996-1998, Paul Gortmaker.
-
- This software may be used and distributed according to the terms
- of the GNU General Public License, incorporated herein by reference.
-
- Information and Code Sources:
-
- 1) Based upon framework of es3210 driver.
- 2) The existing myriad of other Linux 8390 drivers by Donald Becker.
- 3) Russ Nelson's asm packet driver provided additional info.
- 4) Info for getting IRQ and sh-mem gleaned from the EISA cfg files.
-
- The LNE390 is an EISA shared memory NS8390 implementation. Note
- that all memory copies to/from the board must be 32bit transfers.
- There are two versions of the card: the lne390a and the lne390b.
- Going by the EISA cfg files, the "a" has jumpers to select between
- BNC/AUI, but the "b" also has RJ-45 and selection is via the SCU.
- The shared memory address selection is also slightly different.
- Note that shared memory address > 1MB are supported with this driver.
-
- You can try <http://www.mylex.com> if you want more info, as I've
- never even seen one of these cards. :)
-
- Arnaldo Carvalho de Melo <acme@conectiva.com.br> - 2000/09/01
- - get rid of check_region
- - no need to check if dev == NULL in lne390_probe1
-*/
-
-static const char *version =
- "lne390.c: Driver revision v0.99.1, 01/09/2000\n";
-
-#include <linux/module.h>
-#include <linux/eisa.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-
-#include <asm/io.h>
-
-#include "8390.h"
-
-#define DRV_NAME "lne390"
-
-static int lne390_probe1(struct net_device *dev, int ioaddr);
-
-static void lne390_reset_8390(struct net_device *dev);
-
-static void lne390_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page);
-static void lne390_block_input(struct net_device *dev, int count, struct sk_buff *skb, int ring_offset);
-static void lne390_block_output(struct net_device *dev, int count, const unsigned char *buf, const int start_page);
-
-#define LNE390_START_PG 0x00 /* First page of TX buffer */
-#define LNE390_STOP_PG 0x80 /* Last page +1 of RX ring */
-
-#define LNE390_ID_PORT 0xc80 /* Same for all EISA cards */
-#define LNE390_IO_EXTENT 0x20
-#define LNE390_SA_PROM 0x16 /* Start of e'net addr. */
-#define LNE390_RESET_PORT 0xc84 /* From the pkt driver source */
-#define LNE390_NIC_OFFSET 0x00 /* Hello, the 8390 is *here* */
-
-#define LNE390_ADDR0 0x00 /* 3 byte vendor prefix */
-#define LNE390_ADDR1 0x80
-#define LNE390_ADDR2 0xe5
-
-#define LNE390_ID0 0x10009835 /* 0x3598 = 01101 01100 11000 = mlx */
-#define LNE390_ID1 0x11009835 /* above is the 390A, this is 390B */
-
-#define LNE390_CFG1 0xc84 /* NB: 0xc84 is also "reset" port. */
-#define LNE390_CFG2 0xc90
-
-/*
- * You can OR any of the following bits together and assign it
- * to LNE390_DEBUG to get verbose driver info during operation.
- * Currently only the probe one is implemented.
- */
-
-#define LNE390_D_PROBE 0x01
-#define LNE390_D_RX_PKT 0x02
-#define LNE390_D_TX_PKT 0x04
-#define LNE390_D_IRQ 0x08
-
-#define LNE390_DEBUG 0
-
-static unsigned char irq_map[] __initdata = {15, 12, 11, 10, 9, 7, 5, 3};
-static unsigned int shmem_mapA[] __initdata = {0xff, 0xfe, 0xfd, 0xfff, 0xffe, 0xffc, 0x0d, 0x0};
-static unsigned int shmem_mapB[] __initdata = {0xff, 0xfe, 0x0e, 0xfff, 0xffe, 0xffc, 0x0d, 0x0};
-
-/*
- * Probe for the card. The best way is to read the EISA ID if it
- * is known. Then we can check the prefix of the station address
- * PROM for a match against the value assigned to Mylex.
- */
-
-static int __init do_lne390_probe(struct net_device *dev)
-{
- unsigned short ioaddr = dev->base_addr;
- int irq = dev->irq;
- int mem_start = dev->mem_start;
- int ret;
-
- if (ioaddr > 0x1ff) { /* Check a single specified location. */
- if (!request_region(ioaddr, LNE390_IO_EXTENT, DRV_NAME))
- return -EBUSY;
- ret = lne390_probe1(dev, ioaddr);
- if (ret)
- release_region(ioaddr, LNE390_IO_EXTENT);
- return ret;
- }
- else if (ioaddr > 0) /* Don't probe at all. */
- return -ENXIO;
-
- if (!EISA_bus) {
-#if LNE390_DEBUG & LNE390_D_PROBE
- printk("lne390-debug: Not an EISA bus. Not probing high ports.\n");
-#endif
- return -ENXIO;
- }
-
- /* EISA spec allows for up to 16 slots, but 8 is typical. */
- for (ioaddr = 0x1000; ioaddr < 0x9000; ioaddr += 0x1000) {
- if (!request_region(ioaddr, LNE390_IO_EXTENT, DRV_NAME))
- continue;
- if (lne390_probe1(dev, ioaddr) == 0)
- return 0;
- release_region(ioaddr, LNE390_IO_EXTENT);
- dev->irq = irq;
- dev->mem_start = mem_start;
- }
-
- return -ENODEV;
-}
-
-#ifndef MODULE
-struct net_device * __init lne390_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_lne390_probe(dev);
- if (err)
- goto out;
- return dev;
-out:
- free_netdev(dev);
- return ERR_PTR(err);
-}
-#endif
-
-static int __init lne390_probe1(struct net_device *dev, int ioaddr)
-{
- int i, revision, ret;
- unsigned long eisa_id;
-
- if (inb_p(ioaddr + LNE390_ID_PORT) == 0xff) return -ENODEV;
-
-#if LNE390_DEBUG & LNE390_D_PROBE
- printk("lne390-debug: probe at %#x, ID %#8x\n", ioaddr, inl(ioaddr + LNE390_ID_PORT));
- printk("lne390-debug: config regs: %#x %#x\n",
- inb(ioaddr + LNE390_CFG1), inb(ioaddr + LNE390_CFG2));
-#endif
-
-
-/* Check the EISA ID of the card. */
- eisa_id = inl(ioaddr + LNE390_ID_PORT);
- if ((eisa_id != LNE390_ID0) && (eisa_id != LNE390_ID1)) {
- return -ENODEV;
- }
-
- revision = (eisa_id >> 24) & 0x01; /* 0 = rev A, 1 rev B */
-
-#if 0
-/* Check the Mylex vendor ID as well. Not really required. */
- if (inb(ioaddr + LNE390_SA_PROM + 0) != LNE390_ADDR0
- || inb(ioaddr + LNE390_SA_PROM + 1) != LNE390_ADDR1
- || inb(ioaddr + LNE390_SA_PROM + 2) != LNE390_ADDR2 ) {
- printk("lne390.c: card not found");
- for (i = 0; i < ETH_ALEN; i++)
- printk(" %02x", inb(ioaddr + LNE390_SA_PROM + i));
- printk(" (invalid prefix).\n");
- return -ENODEV;
- }
-#endif
-
- for (i = 0; i < ETH_ALEN; i++)
- dev->dev_addr[i] = inb(ioaddr + LNE390_SA_PROM + i);
- printk("lne390.c: LNE390%X in EISA slot %d, address %pM.\n",
- 0xa+revision, ioaddr/0x1000, dev->dev_addr);
-
- printk("lne390.c: ");
-
- /* Snarf the interrupt now. CFG file has them all listed as `edge' with share=NO */
- if (dev->irq == 0) {
- unsigned char irq_reg = inb(ioaddr + LNE390_CFG2) >> 3;
- dev->irq = irq_map[irq_reg & 0x07];
- printk("using");
- } else {
- /* This is useless unless we reprogram the card here too */
- if (dev->irq == 2) dev->irq = 9; /* Doh! */
- printk("assigning");
- }
- printk(" IRQ %d,", dev->irq);
-
- if ((ret = request_irq(dev->irq, ei_interrupt, 0, DRV_NAME, dev))) {
- printk (" unable to get IRQ %d.\n", dev->irq);
- return ret;
- }
-
- if (dev->mem_start == 0) {
- unsigned char mem_reg = inb(ioaddr + LNE390_CFG2) & 0x07;
-
- if (revision) /* LNE390B */
- dev->mem_start = shmem_mapB[mem_reg] * 0x10000;
- else /* LNE390A */
- dev->mem_start = shmem_mapA[mem_reg] * 0x10000;
- printk(" using ");
- } else {
- /* Should check for value in shmem_map and reprogram the card to use it */
- dev->mem_start &= 0xfff0000;
- printk(" assigning ");
- }
-
- printk("%dkB memory at physical address %#lx\n",
- LNE390_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, LNE390_STOP_PG*0x100);
- if (!ei_status.mem) {
- printk(KERN_ERR "lne390.c: Unable to remap card memory above 1MB !!\n");
- printk(KERN_ERR "lne390.c: Try using EISA SCU to set memory below 1MB.\n");
- printk(KERN_ERR "lne390.c: Driver NOT installed.\n");
- ret = -EAGAIN;
- goto cleanup;
- }
- printk("lne390.c: remapped %dkB card memory to virtual address %p\n",
- LNE390_STOP_PG/4, ei_status.mem);
-
- dev->mem_start = (unsigned long)ei_status.mem;
- dev->mem_end = dev->mem_start + (LNE390_STOP_PG - LNE390_START_PG)*256;
-
- /* The 8390 offset is zero for the LNE390 */
- dev->base_addr = ioaddr;
-
- ei_status.name = "LNE390";
- ei_status.tx_start_page = LNE390_START_PG;
- ei_status.rx_start_page = LNE390_START_PG + TX_PAGES;
- ei_status.stop_page = LNE390_STOP_PG;
- ei_status.word16 = 1;
-
- if (ei_debug > 0)
- printk(version);
-
- ei_status.reset_8390 = &lne390_reset_8390;
- ei_status.block_input = &lne390_block_input;
- ei_status.block_output = &lne390_block_output;
- ei_status.get_8390_hdr = &lne390_get_8390_hdr;
-
- dev->netdev_ops = &ei_netdev_ops;
- NS8390_init(dev, 0);
-
- ret = register_netdev(dev);
- if (ret)
- goto unmap;
- return 0;
-unmap:
- if (ei_status.reg0)
- iounmap(ei_status.mem);
-cleanup:
- free_irq(dev->irq, dev);
- return ret;
-}
-
-/*
- * Reset as per the packet driver method. Judging by the EISA cfg
- * file, this just toggles the "Board Enable" bits (bit 2 and 0).
- */
-
-static void lne390_reset_8390(struct net_device *dev)
-{
- unsigned short ioaddr = dev->base_addr;
-
- outb(0x04, ioaddr + LNE390_RESET_PORT);
- if (ei_debug > 1) printk("%s: resetting the LNE390...", dev->name);
-
- mdelay(2);
-
- ei_status.txing = 0;
- outb(0x01, ioaddr + LNE390_RESET_PORT);
- if (ei_debug > 1) printk("reset done\n");
-}
-
-/*
- * Note: In the following three functions is the implicit assumption
- * that the associated memcpy will only use "rep; movsl" as long as
- * we keep the counts as some multiple of doublewords. This is a
- * requirement of the hardware, and also prevents us from using
- * eth_io_copy_and_sum() since we can't guarantee it will limit
- * itself to doubleword access.
- */
-
-/*
- * 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. (A single doubleword.)
- */
-
-static void
-lne390_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
-{
- void __iomem *hdr_start = ei_status.mem + ((ring_page - LNE390_START_PG)<<8);
- memcpy_fromio(hdr, hdr_start, sizeof(struct e8390_pkt_hdr));
- hdr->count = (hdr->count + 3) & ~3; /* Round up allocation. */
-}
-
-/*
- * Block input and output are easy on shared memory ethercards, the only
- * complication is when the ring buffer wraps. The count will already
- * be rounded up to a doubleword value via lne390_get_8390_hdr() above.
- */
-
-static void lne390_block_input(struct net_device *dev, int count, struct sk_buff *skb,
- int ring_offset)
-{
- void __iomem *xfer_start = ei_status.mem + ring_offset - (LNE390_START_PG<<8);
-
- if (ring_offset + count > (LNE390_STOP_PG<<8)) {
- /* Packet wraps over end of ring buffer. */
- int semi_count = (LNE390_STOP_PG<<8) - ring_offset;
- memcpy_fromio(skb->data, xfer_start, semi_count);
- count -= semi_count;
- memcpy_fromio(skb->data + semi_count,
- ei_status.mem + (TX_PAGES<<8), count);
- } else {
- /* Packet is in one chunk. */
- memcpy_fromio(skb->data, xfer_start, count);
- }
-}
-
-static void lne390_block_output(struct net_device *dev, int count,
- const unsigned char *buf, int start_page)
-{
- void __iomem *shmem = ei_status.mem + ((start_page - LNE390_START_PG)<<8);
-
- count = (count + 3) & ~3; /* Round up to doubleword */
- memcpy_toio(shmem, buf, count);
-}
-
-
-#ifdef MODULE
-#define MAX_LNE_CARDS 4 /* Max number of LNE390 cards per module */
-static struct net_device *dev_lne[MAX_LNE_CARDS];
-static int io[MAX_LNE_CARDS];
-static int irq[MAX_LNE_CARDS];
-static int mem[MAX_LNE_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("Mylex LNE390A/B EISA Ethernet driver");
-MODULE_LICENSE("GPL");
-
-int __init init_module(void)
-{
- struct net_device *dev;
- int this_dev, found = 0;
-
- for (this_dev = 0; this_dev < MAX_LNE_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];
- if (do_lne390_probe(dev) == 0) {
- dev_lne[found++] = dev;
- continue;
- }
- free_netdev(dev);
- printk(KERN_WARNING "lne390.c: No LNE390 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, LNE390_IO_EXTENT);
- iounmap(ei_status.mem);
-}
-
-void __exit cleanup_module(void)
-{
- int this_dev;
-
- for (this_dev = 0; this_dev < MAX_LNE_CARDS; this_dev++) {
- struct net_device *dev = dev_lne[this_dev];
- if (dev) {
- unregister_netdev(dev);
- cleanup_card(dev);
- free_netdev(dev);
- }
- }
-}
-#endif /* MODULE */
-