diff options
Diffstat (limited to 'drivers/net/seeq8005.c')
| -rw-r--r-- | drivers/net/seeq8005.c | 752 |
1 files changed, 0 insertions, 752 deletions
diff --git a/drivers/net/seeq8005.c b/drivers/net/seeq8005.c deleted file mode 100644 index d2fce98f557..00000000000 --- a/drivers/net/seeq8005.c +++ /dev/null @@ -1,752 +0,0 @@ -/* 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/system.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_multicast_list = 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 = dev_alloc_skb(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); - if (IS_ERR(dev_seeq)) - return PTR_ERR(dev_seeq); - return 0; -} - -void __exit cleanup_module(void) -{ - unregister_netdev(dev_seeq); - release_region(dev_seeq->base_addr, SEEQ8005_IO_EXTENT); - free_netdev(dev_seeq); -} - -#endif /* MODULE */ |