+++ /dev/null
-/* seeq8005.c: A network driver for linux. */
-/*
- Based on skeleton.c,
- Written 1993-94 by Donald Becker.
- See the skeleton.c file for further copyright information.
-
- 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 hamish@zot.apana.org.au
-
- This file is a network device driver for the SEEQ 8005 chipset and
- the Linux operating system.
-
-*/
-
-static const char version[] =
- "seeq8005.c:v1.00 8/07/95 Hamish Coleman (hamish@zot.apana.org.au)\n";
-
-/*
- Sources:
- SEEQ 8005 databook
-
- Version history:
- 1.00 Public release. cosmetic changes (no warnings now)
- 0.68 Turning per- packet,interrupt debug messages off - testing for release.
- 0.67 timing problems/bad buffer reads seem to be fixed now
- 0.63 *!@$ protocol=eth_type_trans -- now packets flow
- 0.56 Send working
- 0.48 Receive working
-*/
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/fcntl.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/in.h>
-#include <linux/string.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-#include <linux/bitops.h>
-#include <linux/jiffies.h>
-
-#include <asm/io.h>
-#include <asm/dma.h>
-
-#include "seeq8005.h"
-
-/* First, a few definitions that the brave might change. */
-/* A zero-terminated list of I/O addresses to be probed. */
-static unsigned int seeq8005_portlist[] __initdata =
- { 0x300, 0x320, 0x340, 0x360, 0};
-
-/* use 0 for production, 1 for verification, >2 for debug */
-#ifndef NET_DEBUG
-#define NET_DEBUG 1
-#endif
-static unsigned int net_debug = NET_DEBUG;
-
-/* Information that need to be kept for each board. */
-struct net_local {
- unsigned short receive_ptr; /* What address in packet memory do we expect a recv_pkt_header? */
- long open_time; /* Useless example local info. */
-};
-
-/* The station (ethernet) address prefix, used for IDing the board. */
-#define SA_ADDR0 0x00
-#define SA_ADDR1 0x80
-#define SA_ADDR2 0x4b
-
-/* Index to functions, as function prototypes. */
-
-static int seeq8005_probe1(struct net_device *dev, int ioaddr);
-static int seeq8005_open(struct net_device *dev);
-static void seeq8005_timeout(struct net_device *dev);
-static netdev_tx_t seeq8005_send_packet(struct sk_buff *skb,
- struct net_device *dev);
-static irqreturn_t seeq8005_interrupt(int irq, void *dev_id);
-static void seeq8005_rx(struct net_device *dev);
-static int seeq8005_close(struct net_device *dev);
-static void set_multicast_list(struct net_device *dev);
-
-/* Example routines you must write ;->. */
-#define tx_done(dev) (inw(SEEQ_STATUS) & SEEQSTAT_TX_ON)
-static void hardware_send_packet(struct net_device *dev, char *buf, int length);
-extern void seeq8005_init(struct net_device *dev, int startp);
-static inline void wait_for_buffer(struct net_device *dev);
-
-
-/* Check for a network adaptor of this type, and return '0' iff one exists.
- If dev->base_addr == 0, probe all likely locations.
- If dev->base_addr == 1, always return failure.
- */
-
-static int io = 0x320;
-static int irq = 10;
-
-struct net_device * __init seeq8005_probe(int unit)
-{
- struct net_device *dev = alloc_etherdev(sizeof(struct net_local));
- unsigned *port;
- int err = 0;
-
- if (!dev)
- return ERR_PTR(-ENODEV);
-
- if (unit >= 0) {
- sprintf(dev->name, "eth%d", unit);
- netdev_boot_setup_check(dev);
- io = dev->base_addr;
- irq = dev->irq;
- }
-
- if (io > 0x1ff) { /* Check a single specified location. */
- err = seeq8005_probe1(dev, io);
- } else if (io != 0) { /* Don't probe at all. */
- err = -ENXIO;
- } else {
- for (port = seeq8005_portlist; *port; port++) {
- if (seeq8005_probe1(dev, *port) == 0)
- break;
- }
- if (!*port)
- err = -ENODEV;
- }
- if (err)
- goto out;
- err = register_netdev(dev);
- if (err)
- goto out1;
- return dev;
-out1:
- release_region(dev->base_addr, SEEQ8005_IO_EXTENT);
-out:
- free_netdev(dev);
- return ERR_PTR(err);
-}
-
-static const struct net_device_ops seeq8005_netdev_ops = {
- .ndo_open = seeq8005_open,
- .ndo_stop = seeq8005_close,
- .ndo_start_xmit = seeq8005_send_packet,
- .ndo_tx_timeout = seeq8005_timeout,
- .ndo_set_rx_mode = set_multicast_list,
- .ndo_change_mtu = eth_change_mtu,
- .ndo_set_mac_address = eth_mac_addr,
- .ndo_validate_addr = eth_validate_addr,
-};
-
-/* This is the real probe routine. Linux has a history of friendly device
- probes on the ISA bus. A good device probes avoids doing writes, and
- verifies that the correct device exists and functions. */
-
-static int __init seeq8005_probe1(struct net_device *dev, int ioaddr)
-{
- static unsigned version_printed;
- int i,j;
- unsigned char SA_prom[32];
- int old_cfg1;
- int old_cfg2;
- int old_stat;
- int old_dmaar;
- int old_rear;
- int retval;
-
- if (!request_region(ioaddr, SEEQ8005_IO_EXTENT, "seeq8005"))
- return -ENODEV;
-
- if (net_debug>1)
- printk("seeq8005: probing at 0x%x\n",ioaddr);
-
- old_stat = inw(SEEQ_STATUS); /* read status register */
- if (old_stat == 0xffff) {
- retval = -ENODEV;
- goto out; /* assume that 0xffff == no device */
- }
- if ( (old_stat & 0x1800) != 0x1800 ) { /* assume that unused bits are 1, as my manual says */
- if (net_debug>1) {
- printk("seeq8005: reserved stat bits != 0x1800\n");
- printk(" == 0x%04x\n",old_stat);
- }
- retval = -ENODEV;
- goto out;
- }
-
- old_rear = inw(SEEQ_REA);
- if (old_rear == 0xffff) {
- outw(0,SEEQ_REA);
- if (inw(SEEQ_REA) == 0xffff) { /* assume that 0xffff == no device */
- retval = -ENODEV;
- goto out;
- }
- } else if ((old_rear & 0xff00) != 0xff00) { /* assume that unused bits are 1 */
- if (net_debug>1) {
- printk("seeq8005: unused rear bits != 0xff00\n");
- printk(" == 0x%04x\n",old_rear);
- }
- retval = -ENODEV;
- goto out;
- }
-
- old_cfg2 = inw(SEEQ_CFG2); /* read CFG2 register */
- old_cfg1 = inw(SEEQ_CFG1);
- old_dmaar = inw(SEEQ_DMAAR);
-
- if (net_debug>4) {
- printk("seeq8005: stat = 0x%04x\n",old_stat);
- printk("seeq8005: cfg1 = 0x%04x\n",old_cfg1);
- printk("seeq8005: cfg2 = 0x%04x\n",old_cfg2);
- printk("seeq8005: raer = 0x%04x\n",old_rear);
- printk("seeq8005: dmaar= 0x%04x\n",old_dmaar);
- }
-
- outw( SEEQCMD_FIFO_WRITE | SEEQCMD_SET_ALL_OFF, SEEQ_CMD); /* setup for reading PROM */
- outw( 0, SEEQ_DMAAR); /* set starting PROM address */
- outw( SEEQCFG1_BUFFER_PROM, SEEQ_CFG1); /* set buffer to look at PROM */
-
-
- j=0;
- for(i=0; i <32; i++) {
- j+= SA_prom[i] = inw(SEEQ_BUFFER) & 0xff;
- }
-
-#if 0
- /* untested because I only have the one card */
- if ( (j&0xff) != 0 ) { /* checksum appears to be 8bit = 0 */
- if (net_debug>1) { /* check this before deciding that we have a card */
- printk("seeq8005: prom sum error\n");
- }
- outw( old_stat, SEEQ_STATUS);
- outw( old_dmaar, SEEQ_DMAAR);
- outw( old_cfg1, SEEQ_CFG1);
- retval = -ENODEV;
- goto out;
- }
-#endif
-
- outw( SEEQCFG2_RESET, SEEQ_CFG2); /* reset the card */
- udelay(5);
- outw( SEEQCMD_SET_ALL_OFF, SEEQ_CMD);
-
- if (net_debug) {
- printk("seeq8005: prom sum = 0x%08x\n",j);
- for(j=0; j<32; j+=16) {
- printk("seeq8005: prom %02x: ",j);
- for(i=0;i<16;i++) {
- printk("%02x ",SA_prom[j|i]);
- }
- printk(" ");
- for(i=0;i<16;i++) {
- if ((SA_prom[j|i]>31)&&(SA_prom[j|i]<127)) {
- printk("%c", SA_prom[j|i]);
- } else {
- printk(" ");
- }
- }
- printk("\n");
- }
- }
-
-#if 0
- /*
- * testing the packet buffer memory doesn't work yet
- * but all other buffer accesses do
- * - fixing is not a priority
- */
- if (net_debug>1) { /* test packet buffer memory */
- printk("seeq8005: testing packet buffer ... ");
- outw( SEEQCFG1_BUFFER_BUFFER, SEEQ_CFG1);
- outw( SEEQCMD_FIFO_WRITE | SEEQCMD_SET_ALL_OFF, SEEQ_CMD);
- outw( 0 , SEEQ_DMAAR);
- for(i=0;i<32768;i++) {
- outw(0x5a5a, SEEQ_BUFFER);
- }
- j=jiffies+HZ;
- while ( ((inw(SEEQ_STATUS) & SEEQSTAT_FIFO_EMPTY) != SEEQSTAT_FIFO_EMPTY) && time_before(jiffies, j) )
- mb();
- outw( 0 , SEEQ_DMAAR);
- while ( ((inw(SEEQ_STATUS) & SEEQSTAT_WINDOW_INT) != SEEQSTAT_WINDOW_INT) && time_before(jiffies, j+HZ))
- mb();
- if ( (inw(SEEQ_STATUS) & SEEQSTAT_WINDOW_INT) == SEEQSTAT_WINDOW_INT)
- outw( SEEQCMD_WINDOW_INT_ACK | (inw(SEEQ_STATUS)& SEEQCMD_INT_MASK), SEEQ_CMD);
- outw( SEEQCMD_FIFO_READ | SEEQCMD_SET_ALL_OFF, SEEQ_CMD);
- j=0;
- for(i=0;i<32768;i++) {
- if (inw(SEEQ_BUFFER) != 0x5a5a)
- j++;
- }
- if (j) {
- printk("%i\n",j);
- } else {
- printk("ok.\n");
- }
- }
-#endif
-
- if (net_debug && version_printed++ == 0)
- printk(version);
-
- printk("%s: %s found at %#3x, ", dev->name, "seeq8005", ioaddr);
-
- /* Fill in the 'dev' fields. */
- dev->base_addr = ioaddr;
- dev->irq = irq;
-
- /* Retrieve and print the ethernet address. */
- for (i = 0; i < 6; i++)
- dev->dev_addr[i] = SA_prom[i+6];
- printk("%pM", dev->dev_addr);
-
- if (dev->irq == 0xff)
- ; /* Do nothing: a user-level program will set it. */
- else if (dev->irq < 2) { /* "Auto-IRQ" */
- unsigned long cookie = probe_irq_on();
-
- outw( SEEQCMD_RX_INT_EN | SEEQCMD_SET_RX_ON | SEEQCMD_SET_RX_OFF, SEEQ_CMD );
-
- dev->irq = probe_irq_off(cookie);
-
- if (net_debug >= 2)
- printk(" autoirq is %d\n", dev->irq);
- } else if (dev->irq == 2)
- /* Fixup for users that don't know that IRQ 2 is really IRQ 9,
- * or don't know which one to set.
- */
- dev->irq = 9;
-
-#if 0
- {
- int irqval = request_irq(dev->irq, seeq8005_interrupt, 0, "seeq8005", dev);
- if (irqval) {
- printk ("%s: unable to get IRQ %d (irqval=%d).\n", dev->name,
- dev->irq, irqval);
- retval = -EAGAIN;
- goto out;
- }
- }
-#endif
- dev->netdev_ops = &seeq8005_netdev_ops;
- dev->watchdog_timeo = HZ/20;
- dev->flags &= ~IFF_MULTICAST;
-
- return 0;
-out:
- release_region(ioaddr, SEEQ8005_IO_EXTENT);
- return retval;
-}
-
-
-/* Open/initialize the board. This is called (in the current kernel)
- sometime after booting when the 'ifconfig' program is run.
-
- This routine should set everything up anew at each open, even
- registers that "should" only need to be set once at boot, so that
- there is non-reboot way to recover if something goes wrong.
- */
-static int seeq8005_open(struct net_device *dev)
-{
- struct net_local *lp = netdev_priv(dev);
-
- {
- int irqval = request_irq(dev->irq, seeq8005_interrupt, 0, "seeq8005", dev);
- if (irqval) {
- printk ("%s: unable to get IRQ %d (irqval=%d).\n", dev->name,
- dev->irq, irqval);
- return -EAGAIN;
- }
- }
-
- /* Reset the hardware here. Don't forget to set the station address. */
- seeq8005_init(dev, 1);
-
- lp->open_time = jiffies;
-
- netif_start_queue(dev);
- return 0;
-}
-
-static void seeq8005_timeout(struct net_device *dev)
-{
- int ioaddr = dev->base_addr;
- printk(KERN_WARNING "%s: transmit timed out, %s?\n", dev->name,
- tx_done(dev) ? "IRQ conflict" : "network cable problem");
- /* Try to restart the adaptor. */
- seeq8005_init(dev, 1);
- dev->trans_start = jiffies; /* prevent tx timeout */
- netif_wake_queue(dev);
-}
-
-static netdev_tx_t seeq8005_send_packet(struct sk_buff *skb,
- struct net_device *dev)
-{
- short length = skb->len;
- unsigned char *buf;
-
- if (length < ETH_ZLEN) {
- if (skb_padto(skb, ETH_ZLEN))
- return NETDEV_TX_OK;
- length = ETH_ZLEN;
- }
- buf = skb->data;
-
- /* Block a timer-based transmit from overlapping */
- netif_stop_queue(dev);
-
- hardware_send_packet(dev, buf, length);
- dev->stats.tx_bytes += length;
- dev_kfree_skb (skb);
- /* You might need to clean up and record Tx statistics here. */
-
- return NETDEV_TX_OK;
-}
-
-/*
- * wait_for_buffer
- *
- * This routine waits for the SEEQ chip to assert that the FIFO is ready
- * by checking for a window interrupt, and then clearing it. This has to
- * occur in the interrupt handler!
- */
-inline void wait_for_buffer(struct net_device * dev)
-{
- int ioaddr = dev->base_addr;
- unsigned long tmp;
- int status;
-
- tmp = jiffies + HZ;
- while ( ( ((status=inw(SEEQ_STATUS)) & SEEQSTAT_WINDOW_INT) != SEEQSTAT_WINDOW_INT) && time_before(jiffies, tmp))
- cpu_relax();
-
- if ( (status & SEEQSTAT_WINDOW_INT) == SEEQSTAT_WINDOW_INT)
- outw( SEEQCMD_WINDOW_INT_ACK | (status & SEEQCMD_INT_MASK), SEEQ_CMD);
-}
-
-/* The typical workload of the driver:
- Handle the network interface interrupts. */
-static irqreturn_t seeq8005_interrupt(int irq, void *dev_id)
-{
- struct net_device *dev = dev_id;
- struct net_local *lp;
- int ioaddr, status, boguscount = 0;
- int handled = 0;
-
- ioaddr = dev->base_addr;
- lp = netdev_priv(dev);
-
- status = inw(SEEQ_STATUS);
- do {
- if (net_debug >2) {
- printk("%s: int, status=0x%04x\n",dev->name,status);
- }
-
- if (status & SEEQSTAT_WINDOW_INT) {
- handled = 1;
- outw( SEEQCMD_WINDOW_INT_ACK | (status & SEEQCMD_INT_MASK), SEEQ_CMD);
- if (net_debug) {
- printk("%s: window int!\n",dev->name);
- }
- }
- if (status & SEEQSTAT_TX_INT) {
- handled = 1;
- outw( SEEQCMD_TX_INT_ACK | (status & SEEQCMD_INT_MASK), SEEQ_CMD);
- dev->stats.tx_packets++;
- netif_wake_queue(dev); /* Inform upper layers. */
- }
- if (status & SEEQSTAT_RX_INT) {
- handled = 1;
- /* Got a packet(s). */
- seeq8005_rx(dev);
- }
- status = inw(SEEQ_STATUS);
- } while ( (++boguscount < 10) && (status & SEEQSTAT_ANY_INT)) ;
-
- if(net_debug>2) {
- printk("%s: eoi\n",dev->name);
- }
- return IRQ_RETVAL(handled);
-}
-
-/* We have a good packet(s), get it/them out of the buffers. */
-static void seeq8005_rx(struct net_device *dev)
-{
- struct net_local *lp = netdev_priv(dev);
- int boguscount = 10;
- int pkt_hdr;
- int ioaddr = dev->base_addr;
-
- do {
- int next_packet;
- int pkt_len;
- int i;
- int status;
-
- status = inw(SEEQ_STATUS);
- outw( lp->receive_ptr, SEEQ_DMAAR);
- outw(SEEQCMD_FIFO_READ | SEEQCMD_RX_INT_ACK | (status & SEEQCMD_INT_MASK), SEEQ_CMD);
- wait_for_buffer(dev);
- next_packet = ntohs(inw(SEEQ_BUFFER));
- pkt_hdr = inw(SEEQ_BUFFER);
-
- if (net_debug>2) {
- printk("%s: 0x%04x recv next=0x%04x, hdr=0x%04x\n",dev->name,lp->receive_ptr,next_packet,pkt_hdr);
- }
-
- if ((next_packet == 0) || ((pkt_hdr & SEEQPKTH_CHAIN)==0)) { /* Read all the frames? */
- return; /* Done for now */
- }
-
- if ((pkt_hdr & SEEQPKTS_DONE)==0)
- break;
-
- if (next_packet < lp->receive_ptr) {
- pkt_len = (next_packet + 0x10000 - ((DEFAULT_TEA+1)<<8)) - lp->receive_ptr - 4;
- } else {
- pkt_len = next_packet - lp->receive_ptr - 4;
- }
-
- if (next_packet < ((DEFAULT_TEA+1)<<8)) { /* is the next_packet address sane? */
- printk("%s: recv packet ring corrupt, resetting board\n",dev->name);
- seeq8005_init(dev,1);
- return;
- }
-
- lp->receive_ptr = next_packet;
-
- if (net_debug>2) {
- printk("%s: recv len=0x%04x\n",dev->name,pkt_len);
- }
-
- if (pkt_hdr & SEEQPKTS_ANY_ERROR) { /* There was an error. */
- dev->stats.rx_errors++;
- if (pkt_hdr & SEEQPKTS_SHORT) dev->stats.rx_frame_errors++;
- if (pkt_hdr & SEEQPKTS_DRIB) dev->stats.rx_frame_errors++;
- if (pkt_hdr & SEEQPKTS_OVERSIZE) dev->stats.rx_over_errors++;
- if (pkt_hdr & SEEQPKTS_CRC_ERR) dev->stats.rx_crc_errors++;
- /* skip over this packet */
- outw( SEEQCMD_FIFO_WRITE | SEEQCMD_DMA_INT_ACK | (status & SEEQCMD_INT_MASK), SEEQ_CMD);
- outw( (lp->receive_ptr & 0xff00)>>8, SEEQ_REA);
- } else {
- /* Malloc up new buffer. */
- struct sk_buff *skb;
- unsigned char *buf;
-
- skb = netdev_alloc_skb(dev, pkt_len);
- if (skb == NULL) {
- printk("%s: Memory squeeze, dropping packet.\n", dev->name);
- dev->stats.rx_dropped++;
- break;
- }
- skb_reserve(skb, 2); /* align data on 16 byte */
- buf = skb_put(skb,pkt_len);
-
- insw(SEEQ_BUFFER, buf, (pkt_len + 1) >> 1);
-
- if (net_debug>2) {
- char * p = buf;
- printk("%s: recv ",dev->name);
- for(i=0;i<14;i++) {
- printk("%02x ",*(p++)&0xff);
- }
- printk("\n");
- }
-
- skb->protocol=eth_type_trans(skb,dev);
- netif_rx(skb);
- dev->stats.rx_packets++;
- dev->stats.rx_bytes += pkt_len;
- }
- } while ((--boguscount) && (pkt_hdr & SEEQPKTH_CHAIN));
-
- /* If any worth-while packets have been received, netif_rx()
- has done a mark_bh(NET_BH) for us and will work on them
- when we get to the bottom-half routine. */
-}
-
-/* The inverse routine to net_open(). */
-static int seeq8005_close(struct net_device *dev)
-{
- struct net_local *lp = netdev_priv(dev);
- int ioaddr = dev->base_addr;
-
- lp->open_time = 0;
-
- netif_stop_queue(dev);
-
- /* Flush the Tx and disable Rx here. */
- outw( SEEQCMD_SET_ALL_OFF, SEEQ_CMD);
-
- free_irq(dev->irq, dev);
-
- /* Update the statistics here. */
-
- return 0;
-
-}
-
-/* Set or clear the multicast filter for this adaptor.
- num_addrs == -1 Promiscuous mode, receive all packets
- num_addrs == 0 Normal mode, clear multicast list
- num_addrs > 0 Multicast mode, receive normal and MC packets, and do
- best-effort filtering.
- */
-static void set_multicast_list(struct net_device *dev)
-{
-/*
- * I _could_ do up to 6 addresses here, but won't (yet?)
- */
-
-#if 0
- int ioaddr = dev->base_addr;
-/*
- * hmm, not even sure if my matching works _anyway_ - seem to be receiving
- * _everything_ . . .
- */
-
- if (num_addrs) { /* Enable promiscuous mode */
- outw( (inw(SEEQ_CFG1) & ~SEEQCFG1_MATCH_MASK)| SEEQCFG1_MATCH_ALL, SEEQ_CFG1);
- dev->flags|=IFF_PROMISC;
- } else { /* Disable promiscuous mode, use normal mode */
- outw( (inw(SEEQ_CFG1) & ~SEEQCFG1_MATCH_MASK)| SEEQCFG1_MATCH_BROAD, SEEQ_CFG1);
- }
-#endif
-}
-
-void seeq8005_init(struct net_device *dev, int startp)
-{
- struct net_local *lp = netdev_priv(dev);
- int ioaddr = dev->base_addr;
- int i;
-
- outw(SEEQCFG2_RESET, SEEQ_CFG2); /* reset device */
- udelay(5);
-
- outw( SEEQCMD_FIFO_WRITE | SEEQCMD_SET_ALL_OFF, SEEQ_CMD);
- outw( 0, SEEQ_DMAAR); /* load start address into both low and high byte */
-/* wait_for_buffer(dev); */ /* I think that you only need a wait for memory buffer */
- outw( SEEQCFG1_BUFFER_MAC0, SEEQ_CFG1);
-
- for(i=0;i<6;i++) { /* set Station address */
- outb(dev->dev_addr[i], SEEQ_BUFFER);
- udelay(2);
- }
-
- outw( SEEQCFG1_BUFFER_TEA, SEEQ_CFG1); /* set xmit end area pointer to 16K */
- outb( DEFAULT_TEA, SEEQ_BUFFER); /* this gives us 16K of send buffer and 48K of recv buffer */
-
- lp->receive_ptr = (DEFAULT_TEA+1)<<8; /* so we can find our packet_header */
- outw( lp->receive_ptr, SEEQ_RPR); /* Receive Pointer Register is set to recv buffer memory */
-
- outw( 0x00ff, SEEQ_REA); /* Receive Area End */
-
- if (net_debug>4) {
- printk("%s: SA0 = ",dev->name);
-
- outw( SEEQCMD_FIFO_READ | SEEQCMD_SET_ALL_OFF, SEEQ_CMD);
- outw( 0, SEEQ_DMAAR);
- outw( SEEQCFG1_BUFFER_MAC0, SEEQ_CFG1);
-
- for(i=0;i<6;i++) {
- printk("%02x ",inb(SEEQ_BUFFER));
- }
- printk("\n");
- }
-
- outw( SEEQCFG1_MAC0_EN | SEEQCFG1_MATCH_BROAD | SEEQCFG1_BUFFER_BUFFER, SEEQ_CFG1);
- outw( SEEQCFG2_AUTO_REA | SEEQCFG2_CTRLO, SEEQ_CFG2);
- outw( SEEQCMD_SET_RX_ON | SEEQCMD_TX_INT_EN | SEEQCMD_RX_INT_EN, SEEQ_CMD);
-
- if (net_debug>4) {
- int old_cfg1;
- old_cfg1 = inw(SEEQ_CFG1);
- printk("%s: stat = 0x%04x\n",dev->name,inw(SEEQ_STATUS));
- printk("%s: cfg1 = 0x%04x\n",dev->name,old_cfg1);
- printk("%s: cfg2 = 0x%04x\n",dev->name,inw(SEEQ_CFG2));
- printk("%s: raer = 0x%04x\n",dev->name,inw(SEEQ_REA));
- printk("%s: dmaar= 0x%04x\n",dev->name,inw(SEEQ_DMAAR));
-
- }
-}
-
-
-static void hardware_send_packet(struct net_device * dev, char *buf, int length)
-{
- int ioaddr = dev->base_addr;
- int status = inw(SEEQ_STATUS);
- int transmit_ptr = 0;
- unsigned long tmp;
-
- if (net_debug>4) {
- printk("%s: send 0x%04x\n",dev->name,length);
- }
-
- /* Set FIFO to writemode and set packet-buffer address */
- outw( SEEQCMD_FIFO_WRITE | (status & SEEQCMD_INT_MASK), SEEQ_CMD);
- outw( transmit_ptr, SEEQ_DMAAR);
-
- /* output SEEQ Packet header barfage */
- outw( htons(length + 4), SEEQ_BUFFER);
- outw( SEEQPKTH_XMIT | SEEQPKTH_DATA_FOLLOWS | SEEQPKTH_XMIT_INT_EN, SEEQ_BUFFER );
-
- /* blat the buffer */
- outsw( SEEQ_BUFFER, buf, (length +1) >> 1);
- /* paranoia !! */
- outw( 0, SEEQ_BUFFER);
- outw( 0, SEEQ_BUFFER);
-
- /* set address of start of transmit chain */
- outw( transmit_ptr, SEEQ_TPR);
-
- /* drain FIFO */
- tmp = jiffies;
- while ( (((status=inw(SEEQ_STATUS)) & SEEQSTAT_FIFO_EMPTY) == 0) && time_before(jiffies, tmp + HZ))
- mb();
-
- /* doit ! */
- outw( SEEQCMD_WINDOW_INT_ACK | SEEQCMD_SET_TX_ON | (status & SEEQCMD_INT_MASK), SEEQ_CMD);
-
-}
-
-
-#ifdef MODULE
-
-static struct net_device *dev_seeq;
-MODULE_LICENSE("GPL");
-module_param(io, int, 0);
-module_param(irq, int, 0);
-MODULE_PARM_DESC(io, "SEEQ 8005 I/O base address");
-MODULE_PARM_DESC(irq, "SEEQ 8005 IRQ number");
-
-int __init init_module(void)
-{
- dev_seeq = seeq8005_probe(-1);
- return PTR_RET(dev_seeq);
-}
-
-void __exit cleanup_module(void)
-{
- unregister_netdev(dev_seeq);
- release_region(dev_seeq->base_addr, SEEQ8005_IO_EXTENT);
- free_netdev(dev_seeq);
-}
-
-#endif /* MODULE */
+++ /dev/null
-/*
- * defines, etc for the seeq8005
- */
-
-/*
- * This file is distributed under GPL.
- *
- * This style and layout of this file is also copied
- * from many of the other linux network device drivers.
- */
-
-/* The number of low I/O ports used by the ethercard. */
-#define SEEQ8005_IO_EXTENT 16
-
-#define SEEQ_B (ioaddr)
-
-#define SEEQ_CMD (SEEQ_B) /* Write only */
-#define SEEQ_STATUS (SEEQ_B) /* Read only */
-#define SEEQ_CFG1 (SEEQ_B + 2)
-#define SEEQ_CFG2 (SEEQ_B + 4)
-#define SEEQ_REA (SEEQ_B + 6) /* Receive End Area Register */
-#define SEEQ_RPR (SEEQ_B + 10) /* Receive Pointer Register */
-#define SEEQ_TPR (SEEQ_B + 12) /* Transmit Pointer Register */
-#define SEEQ_DMAAR (SEEQ_B + 14) /* DMA Address Register */
-#define SEEQ_BUFFER (SEEQ_B + 8) /* Buffer Window Register */
-
-#define DEFAULT_TEA (0x3f)
-
-#define SEEQCMD_DMA_INT_EN (0x0001) /* DMA Interrupt Enable */
-#define SEEQCMD_RX_INT_EN (0x0002) /* Receive Interrupt Enable */
-#define SEEQCMD_TX_INT_EN (0x0004) /* Transmit Interrupt Enable */
-#define SEEQCMD_WINDOW_INT_EN (0x0008) /* What the hell is this for?? */
-#define SEEQCMD_INT_MASK (0x000f)
-
-#define SEEQCMD_DMA_INT_ACK (0x0010) /* DMA ack */
-#define SEEQCMD_RX_INT_ACK (0x0020)
-#define SEEQCMD_TX_INT_ACK (0x0040)
-#define SEEQCMD_WINDOW_INT_ACK (0x0080)
-#define SEEQCMD_ACK_ALL (0x00f0)
-
-#define SEEQCMD_SET_DMA_ON (0x0100) /* Enables DMA Request logic */
-#define SEEQCMD_SET_RX_ON (0x0200) /* Enables Packet RX */
-#define SEEQCMD_SET_TX_ON (0x0400) /* Starts TX run */
-#define SEEQCMD_SET_DMA_OFF (0x0800)
-#define SEEQCMD_SET_RX_OFF (0x1000)
-#define SEEQCMD_SET_TX_OFF (0x2000)
-#define SEEQCMD_SET_ALL_OFF (0x3800) /* set all logic off */
-
-#define SEEQCMD_FIFO_READ (0x4000) /* Set FIFO to read mode (read from Buffer) */
-#define SEEQCMD_FIFO_WRITE (0x8000) /* Set FIFO to write mode */
-
-#define SEEQSTAT_DMA_INT_EN (0x0001) /* Status of interrupt enable */
-#define SEEQSTAT_RX_INT_EN (0x0002)
-#define SEEQSTAT_TX_INT_EN (0x0004)
-#define SEEQSTAT_WINDOW_INT_EN (0x0008)
-
-#define SEEQSTAT_DMA_INT (0x0010) /* Interrupt flagged */
-#define SEEQSTAT_RX_INT (0x0020)
-#define SEEQSTAT_TX_INT (0x0040)
-#define SEEQSTAT_WINDOW_INT (0x0080)
-#define SEEQSTAT_ANY_INT (0x00f0)
-
-#define SEEQSTAT_DMA_ON (0x0100) /* DMA logic on */
-#define SEEQSTAT_RX_ON (0x0200) /* Packet RX on */
-#define SEEQSTAT_TX_ON (0x0400) /* TX running */
-
-#define SEEQSTAT_FIFO_FULL (0x2000)
-#define SEEQSTAT_FIFO_EMPTY (0x4000)
-#define SEEQSTAT_FIFO_DIR (0x8000) /* 1=read, 0=write */
-
-#define SEEQCFG1_BUFFER_MASK (0x000f) /* define what maps into the BUFFER register */
-#define SEEQCFG1_BUFFER_MAC0 (0x0000) /* MAC station addresses 0-5 */
-#define SEEQCFG1_BUFFER_MAC1 (0x0001)
-#define SEEQCFG1_BUFFER_MAC2 (0x0002)
-#define SEEQCFG1_BUFFER_MAC3 (0x0003)
-#define SEEQCFG1_BUFFER_MAC4 (0x0004)
-#define SEEQCFG1_BUFFER_MAC5 (0x0005)
-#define SEEQCFG1_BUFFER_PROM (0x0006) /* The Address/CFG PROM */
-#define SEEQCFG1_BUFFER_TEA (0x0007) /* Transmit end area */
-#define SEEQCFG1_BUFFER_BUFFER (0x0008) /* Packet buffer memory */
-#define SEEQCFG1_BUFFER_INT_VEC (0x0009) /* Interrupt Vector */
-
-#define SEEQCFG1_DMA_INTVL_MASK (0x0030)
-#define SEEQCFG1_DMA_CONT (0x0000)
-#define SEEQCFG1_DMA_800ns (0x0010)
-#define SEEQCFG1_DMA_1600ns (0x0020)
-#define SEEQCFG1_DMA_3200ns (0x0030)
-
-#define SEEQCFG1_DMA_LEN_MASK (0x00c0)
-#define SEEQCFG1_DMA_LEN1 (0x0000)
-#define SEEQCFG1_DMA_LEN2 (0x0040)
-#define SEEQCFG1_DMA_LEN4 (0x0080)
-#define SEEQCFG1_DMA_LEN8 (0x00c0)
-
-#define SEEQCFG1_MAC_MASK (0x3f00) /* Dis/enable bits for MAC addresses */
-#define SEEQCFG1_MAC0_EN (0x0100)
-#define SEEQCFG1_MAC1_EN (0x0200)
-#define SEEQCFG1_MAC2_EN (0x0400)
-#define SEEQCFG1_MAC3_EN (0x0800)
-#define SEEQCFG1_MAC4_EN (0x1000)
-#define SEEQCFG1_MAC5_EN (0x2000)
-
-#define SEEQCFG1_MATCH_MASK (0xc000) /* Packet matching logic cfg bits */
-#define SEEQCFG1_MATCH_SPECIFIC (0x0000) /* only matching MAC addresses */
-#define SEEQCFG1_MATCH_BROAD (0x4000) /* matching and broadcast addresses */
-#define SEEQCFG1_MATCH_MULTI (0x8000) /* matching, broadcast and multicast */
-#define SEEQCFG1_MATCH_ALL (0xc000) /* Promiscuous mode */
-
-#define SEEQCFG1_DEFAULT (SEEQCFG1_BUFFER_BUFFER | SEEQCFG1_MAC0_EN | SEEQCFG1_MATCH_BROAD)
-
-#define SEEQCFG2_BYTE_SWAP (0x0001) /* 0=Intel byte-order */
-#define SEEQCFG2_AUTO_REA (0x0002) /* if set, Receive End Area will be updated when reading from Buffer */
-
-#define SEEQCFG2_CRC_ERR_EN (0x0008) /* enables receiving of packets with CRC errors */
-#define SEEQCFG2_DRIBBLE_EN (0x0010) /* enables receiving of non-aligned packets */
-#define SEEQCFG2_SHORT_EN (0x0020) /* enables receiving of short packets */
-
-#define SEEQCFG2_SLOTSEL (0x0040) /* 0= standard IEEE802.3, 1= smaller,faster, non-standard */
-#define SEEQCFG2_NO_PREAM (0x0080) /* 1= user supplies Xmit preamble bytes */
-#define SEEQCFG2_ADDR_LEN (0x0100) /* 1= 2byte addresses */
-#define SEEQCFG2_REC_CRC (0x0200) /* 0= received packets will have CRC stripped from them */
-#define SEEQCFG2_XMIT_NO_CRC (0x0400) /* don't xmit CRC with each packet (user supplies it) */
-#define SEEQCFG2_LOOPBACK (0x0800)
-#define SEEQCFG2_CTRLO (0x1000)
-#define SEEQCFG2_RESET (0x8000) /* software Hard-reset bit */
-
-struct seeq_pkt_hdr {
- unsigned short next; /* address of next packet header */
- unsigned char babble_int:1, /* enable int on >1514 byte packet */
- coll_int:1, /* enable int on collision */
- coll_16_int:1, /* enable int on >15 collision */
- xmit_int:1, /* enable int on success (or xmit with <15 collision) */
- unused:1,
- data_follows:1, /* if not set, process this as a header and pointer only */
- chain_cont:1, /* if set, more headers in chain only cmd bit valid in recv header */
- xmit_recv:1; /* if set, a xmit packet, else a receive packet.*/
- unsigned char status;
-};
-
-#define SEEQPKTH_BAB_INT_EN (0x01) /* xmit only */
-#define SEEQPKTH_COL_INT_EN (0x02) /* xmit only */
-#define SEEQPKTH_COL16_INT_EN (0x04) /* xmit only */
-#define SEEQPKTH_XMIT_INT_EN (0x08) /* xmit only */
-#define SEEQPKTH_DATA_FOLLOWS (0x20) /* supposedly in xmit only */
-#define SEEQPKTH_CHAIN (0x40) /* more headers follow */
-#define SEEQPKTH_XMIT (0x80)
-
-#define SEEQPKTS_BABBLE (0x0100) /* xmit only */
-#define SEEQPKTS_OVERSIZE (0x0100) /* recv only */
-#define SEEQPKTS_COLLISION (0x0200) /* xmit only */
-#define SEEQPKTS_CRC_ERR (0x0200) /* recv only */
-#define SEEQPKTS_COLL16 (0x0400) /* xmit only */
-#define SEEQPKTS_DRIB (0x0400) /* recv only */
-#define SEEQPKTS_SHORT (0x0800) /* recv only */
-#define SEEQPKTS_DONE (0x8000)
-#define SEEQPKTS_ANY_ERROR (0x0f00)
projects / openwrt / staging / blogic.git / commitdiff