2.2.0-final

[davej-history.git] / drivers / net / fmv18x.c

/* fmv18x.c: A network device driver for the Fujitsu FMV-181/182/183/184.

        Original: at1700.c (1993-94 by Donald Becker).
                Copyright 1993 United States Government as represented by the
                Director, National Security Agency.
                The author may be reached as becker@CESDIS.gsfc.nasa.gov, or C/O
                Center of Excellence in Space Data and Information Sciences
                   Code 930.5, Goddard Space Flight Center, Greenbelt MD 20771

        Modified by Yutaka TAMIYA (tamy@flab.fujitsu.co.jp)
                Copyright 1994 Fujitsu Laboratories Ltd.
        Special thanks to:
                Masayoshi UTAKA (utaka@ace.yk.fujitsu.co.jp)
                        for testing this driver.
                H. NEGISHI (agy, negishi@sun45.psd.cs.fujitsu.co.jp)
                        for suggestion of some program modification.
                Masahiro SEKIGUCHI <seki@sysrap.cs.fujitsu.co.jp>
                        for suggestion of some program modification.
                Kazutoshi MORIOKA (morioka@aurora.oaks.cs.fujitsu.co.jp)
                        for testing this driver.

        This software may be used and distributed according to the terms
        of the GNU Public License, incorporated herein by reference.

        This is a device driver for the Fujitsu FMV-181/182/183/184, which
        is a straight-forward Fujitsu MB86965 implementation.

  Sources:
    at1700.c
    The Fujitsu MB86965 datasheet.
    The Fujitsu FMV-181/182 user's guide
*/

static const char *version =
        "fmv18x.c:v2.2.0 09/24/98  Yutaka TAMIYA (tamy@flab.fujitsu.co.jp)\n";

#include <linux/module.h>

#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/types.h>
#include <linux/fcntl.h>
#include <linux/interrupt.h>
#include <linux/ptrace.h>
#include <linux/ioport.h>
#include <linux/in.h>
#include <linux/malloc.h>
#include <linux/string.h>
#include <linux/init.h>
#include <asm/system.h>
#include <asm/bitops.h>
#include <asm/io.h>
#include <asm/dma.h>
#include <linux/errno.h>

#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/delay.h>

static int fmv18x_probe_list[] __initdata =
{0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x300, 0x340, 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;

typedef unsigned char uchar;

/* Information that need to be kept for each board. */
struct net_local {
        struct net_device_stats stats;
        long open_time;                         /* Useless example local info. */
        uint tx_started:1;                      /* Number of packet on the Tx queue. */
        uint tx_queue_ready:1;          /* Tx queue is ready to be sent. */
        uint rx_started:1;                      /* Packets are Rxing. */
        uchar tx_queue;                         /* Number of packet on the Tx queue. */
        ushort tx_queue_len;            /* Current length of the Tx queue. */
};


/* Offsets from the base address. */
#define STATUS                  0
#define TX_STATUS               0
#define RX_STATUS               1
#define TX_INTR                 2               /* Bit-mapped interrupt enable registers. */
#define RX_INTR                 3
#define TX_MODE                 4
#define RX_MODE                 5
#define CONFIG_0                6               /* Misc. configuration settings. */
#define CONFIG_1                7
/* Run-time register bank 2 definitions. */
#define DATAPORT                8               /* Word-wide DMA or programmed-I/O dataport. */
#define TX_START                10
#define COL16CNTL               11              /* Controll Reg for 16 collisions */
#define MODE13                  13
/* Fujitsu FMV-18x Card Configuration */
#define FJ_STATUS0              0x10
#define FJ_STATUS1              0x11
#define FJ_CONFIG0              0x12
#define FJ_CONFIG1              0x13
#define FJ_MACADDR              0x14    /* 0x14 - 0x19 */
#define FJ_BUFCNTL              0x1A
#define FJ_BUFDATA              0x1C
#define FMV18X_IO_EXTENT        32

/* Index to functions, as function prototypes. */

extern int fmv18x_probe(struct device *dev);

static int fmv18x_probe1(struct device *dev, short ioaddr);
static int net_open(struct device *dev);
static int      net_send_packet(struct sk_buff *skb, struct device *dev);
static void net_interrupt(int irq, void *dev_id, struct pt_regs *regs);
static void net_rx(struct device *dev);
static int net_close(struct device *dev);
static struct net_device_stats *net_get_stats(struct device *dev);
static void set_multicast_list(struct device *dev);

\f
/* 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.
   If dev->base_addr == 2, allocate space for the device and return success
   (detachable devices only).
   */
#ifdef HAVE_DEVLIST
/* Support for an alternate probe manager, which will eliminate the
   boilerplate below. */
struct netdev_entry fmv18x_drv =
{"fmv18x", fmv18x_probe1, FMV18X_IO_EXTENT, fmv18x_probe_list};
#else
__initfunc(int
fmv18x_probe(struct device *dev))
{
        int i;
        int base_addr = dev ? dev->base_addr : 0;

        if (base_addr > 0x1ff)          /* Check a single specified location. */
                return fmv18x_probe1(dev, base_addr);
        else if (base_addr != 0)        /* Don't probe at all. */
                return ENXIO;

        for (i = 0; fmv18x_probe_list[i]; i++) {
                int ioaddr = fmv18x_probe_list[i];
                if (check_region(ioaddr, FMV18X_IO_EXTENT))
                        continue;
                if (fmv18x_probe1(dev, ioaddr) == 0)
                        return 0;
        }

        return ENODEV;
}
#endif

/* The Fujitsu datasheet suggests that the NIC be probed for by checking its
   "signature", the default bit pattern after a reset.  This *doesn't* work --
   there is no way to reset the bus interface without a complete power-cycle!

   It turns out that ATI came to the same conclusion I did: the only thing
   that can be done is checking a few bits and then diving right into MAC
   address check. */

__initfunc(int fmv18x_probe1(struct device *dev, short ioaddr))
{
        char irqmap[4] = {3, 7, 10, 15};
        char irqmap_pnp[8] = {3, 4, 5, 7, 9, 10, 11, 15};
        unsigned int i, irq;

        /* Resetting the chip doesn't reset the ISA interface, so don't bother.
           That means we have to be careful with the register values we probe for.
           */

        /* Check I/O address configuration and Fujitsu vendor code */
        if (inb(ioaddr+FJ_MACADDR  ) != 0x00
        ||  inb(ioaddr+FJ_MACADDR+1) != 0x00
        ||  inb(ioaddr+FJ_MACADDR+2) != 0x0e)
                return -ENODEV;

        /* Check PnP mode for FMV-183/184/183A/184A. */
        /* This PnP routine is very poor. IO and IRQ should be known. */
        if (inb(ioaddr + FJ_STATUS1) & 0x20) {
                irq = dev->irq;
                for (i = 0; i < 8; i++) {
                        if (irq == irqmap_pnp[i])
                                break;
                }
                if (i == 8)
                        return -ENODEV;
        } else {
                if (fmv18x_probe_list[inb(ioaddr + FJ_CONFIG0) & 0x07] != ioaddr)
                        return -ENODEV;
                irq = irqmap[(inb(ioaddr + FJ_CONFIG0)>>6) & 0x03];
        }

        /* Snarf the interrupt vector now. */
        if (request_irq(irq, &net_interrupt, 0, "fmv18x", dev)) {
                printk ("FMV-18x found at %#3x, but it's unusable due to a conflict on"
                                "IRQ %d.\n", ioaddr, irq);
                return EAGAIN;
        }

        /* Allocate a new 'dev' if needed. */
        if (dev == NULL)
                dev = init_etherdev(0, sizeof(struct net_local));

        /* Grab the region so that we can find another board if the IRQ request
           fails. */
        request_region(ioaddr, FMV18X_IO_EXTENT, "fmv18x");

        printk("%s: FMV-18x found at %#3x, IRQ %d, address ", dev->name,
                   ioaddr, irq);

        dev->base_addr = ioaddr;
        dev->irq = irq;

        for(i = 0; i < 6; i++) {
                unsigned char val = inb(ioaddr + FJ_MACADDR + i);
                printk("%02x", val);
                dev->dev_addr[i] = val;
        }

        /* "FJ_STATUS0" 12 bit 0x0400 means use regular 100 ohm 10baseT signals,
           rather than 150 ohm shielded twisted pair compensation.
           0x0000 == auto-sense the interface
           0x0800 == use TP interface
           0x1800 == use coax interface
           */
        {
                const char *porttype[] = {"auto-sense", "10baseT", "auto-sense", "10base2/5"};
                ushort setup_value = inb(ioaddr + FJ_STATUS0);

                switch( setup_value & 0x07 ){
                case 0x01 /* 10base5 */:
                case 0x02 /* 10base2 */: dev->if_port = 0x18; break;
                case 0x04 /* 10baseT */: dev->if_port = 0x08; break;
                default /* auto-sense*/: dev->if_port = 0x00; break;
                }
                printk(" %s interface.\n", porttype[(dev->if_port>>3) & 3]);
        }

        /* Initialize LAN Controller and LAN Card */
        outb(0xda, ioaddr + CONFIG_0);   /* Initialize LAN Controller */
        outb(0x00, ioaddr + CONFIG_1);   /* Stand by mode */
        outb(0x00, ioaddr + FJ_CONFIG1); /* Disable IRQ of LAN Card */
        outb(0x00, ioaddr + FJ_BUFCNTL); /* Reset ? I'm not sure (TAMIYA) */

        /* wait for a while */
        udelay(200);

        /* Set the station address in bank zero. */
        outb(0x00, ioaddr + CONFIG_1);
        for (i = 0; i < 6; i++)
                outb(dev->dev_addr[i], ioaddr + 8 + i);

        /* Switch to bank 1 and set the multicast table to accept none. */
        outb(0x04, ioaddr + CONFIG_1);
        for (i = 0; i < 8; i++)
                outb(0x00, ioaddr + 8 + i);

        /* Switch to bank 2 and lock our I/O address. */
        outb(0x08, ioaddr + CONFIG_1);
        outb(dev->if_port, ioaddr + MODE13);
        outb(0x00, ioaddr + COL16CNTL);

        if (net_debug)
                printk(version);

        /* Initialize the device structure. */
        dev->priv = kmalloc(sizeof(struct net_local), GFP_KERNEL);
        if (dev->priv == NULL)
                return -ENOMEM;
        memset(dev->priv, 0, sizeof(struct net_local));

        dev->open               = net_open;
        dev->stop               = net_close;
        dev->hard_start_xmit = net_send_packet;
        dev->get_stats  = net_get_stats;
        dev->set_multicast_list = &set_multicast_list;

        /* Fill in the fields of 'dev' with ethernet-generic values. */

        ether_setup(dev);
        return 0;
}
\f

static int net_open(struct device *dev)
{
        struct net_local *lp = (struct net_local *)dev->priv;
        int ioaddr = dev->base_addr;

        /* Set the configuration register 0 to 32K 100ns. byte-wide memory,
           16 bit bus access, and two 4K Tx, enable the Rx and Tx. */
        outb(0x5a, ioaddr + CONFIG_0);

        /* Powerup and switch to register bank 2 for the run-time registers. */
        outb(0xe8, ioaddr + CONFIG_1);

        lp->tx_started = 0;
        lp->tx_queue_ready = 1;
        lp->rx_started = 0;
        lp->tx_queue = 0;
        lp->tx_queue_len = 0;

        /* Clear Tx and Rx Status */
        outb(0xff, ioaddr + TX_STATUS);
        outb(0xff, ioaddr + RX_STATUS);
        lp->open_time = jiffies;

        dev->tbusy = 0;
        dev->interrupt = 0;
        dev->start = 1;

        /* Enable the IRQ of the LAN Card */
        outb(0x80, ioaddr + FJ_CONFIG1);

        /* Enable both Tx and Rx interrupts */
        outw(0x8182, ioaddr+TX_INTR);

        MOD_INC_USE_COUNT;

        return 0;
}

static int
net_send_packet(struct sk_buff *skb, struct device *dev)
{
        struct net_local *lp = (struct net_local *)dev->priv;
        int ioaddr = dev->base_addr;

        if (dev->tbusy) {
                /* If we get here, some higher level has decided we are broken.
                   There should really be a "kick me" function call instead. */
                int tickssofar = jiffies - dev->trans_start;
                if (tickssofar < 10)
                        return 1;
                printk("%s: transmit timed out with status %04x, %s?\n", dev->name,
                           htons(inw(ioaddr + TX_STATUS)),
                           inb(ioaddr + TX_STATUS) & 0x80
                           ? "IRQ conflict" : "network cable problem");
                printk("%s: timeout registers: %04x %04x %04x %04x %04x %04x %04x %04x.\n",
                           dev->name, htons(inw(ioaddr + 0)),
                           htons(inw(ioaddr + 2)), htons(inw(ioaddr + 4)),
                           htons(inw(ioaddr + 6)), htons(inw(ioaddr + 8)),
                           htons(inw(ioaddr +10)), htons(inw(ioaddr +12)),
                           htons(inw(ioaddr +14)));
                printk("eth card: %04x %04x\n",
                        htons(inw(ioaddr+FJ_STATUS0)),
                        htons(inw(ioaddr+FJ_CONFIG0)));
                lp->stats.tx_errors++;
                /* ToDo: We should try to restart the adaptor... */
                cli();

                /* Initialize LAN Controller and LAN Card */
                outb(0xda, ioaddr + CONFIG_0);   /* Initialize LAN Controller */
                outb(0x00, ioaddr + CONFIG_1);   /* Stand by mode */
                outb(0x00, ioaddr + FJ_CONFIG1); /* Disable IRQ of LAN Card */
                outb(0x00, ioaddr + FJ_BUFCNTL); /* Reset ? I'm not sure */
                net_open(dev);

                sti();
        }

        /* Block a timer-based transmit from overlapping.  This could better be
           done with atomic_swap(1, dev->tbusy), but set_bit() works as well. */
        if (test_and_set_bit(0, (void*)&dev->tbusy) != 0)
                printk("%s: Transmitter access conflict.\n", dev->name);
        else {
                short length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
                unsigned char *buf = skb->data;

                if (length > ETH_FRAME_LEN) {
                        if (net_debug)
                                printk("%s: Attempting to send a large packet (%d bytes).\n",
                                        dev->name, length);
                        return 1;
                }

                if (net_debug > 4)
                        printk("%s: Transmitting a packet of length %lu.\n", dev->name,
                                   (unsigned long)skb->len);

                /* We may not start transmitting unless we finish transferring
                   a packet into the Tx queue. During executing the following
                   codes we possibly catch a Tx interrupt. Thus we flag off
                   tx_queue_ready, so that we prevent the interrupt routine
                   (net_interrupt) to start transmitting. */
                lp->tx_queue_ready = 0;
                {
                        outw(length, ioaddr + DATAPORT);
                        outsw(ioaddr + DATAPORT, buf, (length + 1) >> 1);

                        lp->tx_queue++;
                        lp->tx_queue_len += length + 2;
                }
                lp->tx_queue_ready = 1;

                if (lp->tx_started == 0) {
                        /* If the Tx is idle, always trigger a transmit. */
                        outb(0x80 | lp->tx_queue, ioaddr + TX_START);
                        lp->tx_queue = 0;
                        lp->tx_queue_len = 0;
                        dev->trans_start = jiffies;
                        lp->tx_started = 1;
                        dev->tbusy = 0;
                } else if (lp->tx_queue_len < 4096 - 1502)
                        /* Yes, there is room for one more packet. */
                        dev->tbusy = 0;
        }
        dev_kfree_skb (skb);

        return 0;
}
\f
/* The typical workload of the driver:
   Handle the network interface interrupts. */
static void
net_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
        struct device *dev = dev_id;
        struct net_local *lp;
        int ioaddr, status;

        if (dev == NULL) {
                printk ("fmv18x_interrupt(): irq %d for unknown device.\n", irq);
                return;
        }
        dev->interrupt = 1;

        ioaddr = dev->base_addr;
        lp = (struct net_local *)dev->priv;
        status = inw(ioaddr + TX_STATUS);
        outw(status, ioaddr + TX_STATUS);

        if (net_debug > 4)
                printk("%s: Interrupt with status %04x.\n", dev->name, status);
        if (lp->rx_started == 0 &&
                (status & 0xff00 || (inb(ioaddr + RX_MODE) & 0x40) == 0)) {
                /* Got a packet(s).
                   We cannot execute net_rx more than once at the same time for
                   the same device. During executing net_rx, we possibly catch a
                   Tx interrupt. Thus we flag on rx_started, so that we prevent
                   the interrupt routine (net_interrupt) to dive into net_rx
                   again. */
                lp->rx_started = 1;
                outb(0x00, ioaddr + RX_INTR);   /* Disable RX intr. */
                net_rx(dev);
                outb(0x81, ioaddr + RX_INTR);   /* Enable  RX intr. */
                lp->rx_started = 0;
        }
        if (status & 0x00ff) {
                if (status & 0x02) {
                        /* More than 16 collisions occurred */
                        if (net_debug > 4)
                                printk("%s: 16 Collision occur during Txing.\n", dev->name);
                        /* Cancel sending a packet. */
                        outb(0x03, ioaddr + COL16CNTL);
                        lp->stats.collisions++;
                }
                if (status & 0x82) {
                        lp->stats.tx_packets++;
                        if (lp->tx_queue && lp->tx_queue_ready) {
                                outb(0x80 | lp->tx_queue, ioaddr + TX_START);
                                lp->tx_queue = 0;
                                lp->tx_queue_len = 0;
                                dev->trans_start = jiffies;
                                dev->tbusy = 0;
                                mark_bh(NET_BH);        /* Inform upper layers. */
                        } else {
                                lp->tx_started = 0;
                                dev->tbusy = 0;
                                mark_bh(NET_BH);        /* Inform upper layers. */
                        }
                }
        }

        dev->interrupt = 0;
        return;
}

/* We have a good packet(s), get it/them out of the buffers. */
static void
net_rx(struct device *dev)
{
        struct net_local *lp = (struct net_local *)dev->priv;
        int ioaddr = dev->base_addr;
        int boguscount = 5;

        while ((inb(ioaddr + RX_MODE) & 0x40) == 0) {
                /* Clear PKT_RDY bit: by agy 19940922 */
                /* outb(0x80, ioaddr + RX_STATUS); */
                ushort status = inw(ioaddr + DATAPORT);

                if (net_debug > 4)
                        printk("%s: Rxing packet mode %02x status %04x.\n",
                                   dev->name, inb(ioaddr + RX_MODE), status);
#ifndef final_version
                if (status == 0) {
                        outb(0x05, ioaddr + 14);
                        break;
                }
#endif

                if ((status & 0xF0) != 0x20) {  /* There was an error. */
                        lp->stats.rx_errors++;
                        if (status & 0x08) lp->stats.rx_length_errors++;
                        if (status & 0x04) lp->stats.rx_frame_errors++;
                        if (status & 0x02) lp->stats.rx_crc_errors++;
                        if (status & 0x01) lp->stats.rx_over_errors++;
                } else {
                        ushort pkt_len = inw(ioaddr + DATAPORT);
                        /* Malloc up new buffer. */
                        struct sk_buff *skb;

                        if (pkt_len > 1550) {
                                printk("%s: The FMV-18x claimed a very large packet, size %d.\n",
                                           dev->name, pkt_len);
                                outb(0x05, ioaddr + 14);
                                lp->stats.rx_errors++;
                                break;
                        }
                        skb = dev_alloc_skb(pkt_len+3);
                        if (skb == NULL) {
                                printk("%s: Memory squeeze, dropping packet (len %d).\n",
                                           dev->name, pkt_len);
                                outb(0x05, ioaddr + 14);
                                lp->stats.rx_dropped++;
                                break;
                        }
                        skb->dev = dev;
                        skb_reserve(skb,2);

                        insw(ioaddr + DATAPORT, skb_put(skb,pkt_len), (pkt_len + 1) >> 1);

                        if (net_debug > 5) {
                                int i;
                                printk("%s: Rxed packet of length %d: ", dev->name, pkt_len);
                                for (i = 0; i < 14; i++)
                                        printk(" %02x", skb->data[i]);
                                printk(".\n");
                        }

                        skb->protocol=eth_type_trans(skb, dev);
                        netif_rx(skb);
                        lp->stats.rx_packets++;
                }
                if (--boguscount <= 0)
                        break;
        }

        /* If any worth-while packets have been received, dev_rint()
           has done a mark_bh(NET_BH) for us and will work on them
           when we get to the bottom-half routine. */
        {
                int i;
                for (i = 0; i < 20; i++) {
                        if ((inb(ioaddr + RX_MODE) & 0x40) == 0x40)
                                break;
                        (void)inw(ioaddr + DATAPORT);                           /* dummy status read */
                        outb(0x05, ioaddr + 14);
                }

                if (net_debug > 5 && i > 0)
                        printk("%s: Exint Rx packet with mode %02x after %d ticks.\n",
                                   dev->name, inb(ioaddr + RX_MODE), i);
        }

        return;
}

/* The inverse routine to net_open(). */
static int net_close(struct device *dev)
{
        int ioaddr = dev->base_addr;

        ((struct net_local *)dev->priv)->open_time = 0;

        dev->tbusy = 1;
        dev->start = 0;

        /* Set configuration register 0 to disable Tx and Rx. */
        outb(0xda, ioaddr + CONFIG_0);

        /* Update the statistics -- ToDo. */

        /* Power-down the chip.  Green, green, green! */
        outb(0x00, ioaddr + CONFIG_1);

        MOD_DEC_USE_COUNT;

        /* Set the ethernet adaptor disable IRQ */
        outb(0x00, ioaddr + FJ_CONFIG1);

        return 0;
}

/* Get the current statistics.  This may be called with the card open or
   closed. */
static struct net_device_stats *net_get_stats(struct device *dev)
{
        struct net_local *lp = (struct net_local *)dev->priv;

        cli();
        /* ToDo: Update the statistics from the device registers. */
        sti();

        return &lp->stats;
}

/* 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 device *dev)
{
        short ioaddr = dev->base_addr;
        if (dev->mc_count || dev->flags&(IFF_PROMISC|IFF_ALLMULTI))
        {
                /*
                 *      We must make the kernel realise we had to move
                 *      into promisc mode or we start all out war on
                 *      the cable. - AC
                 */
                dev->flags|=IFF_PROMISC;

                outb(3, ioaddr + RX_MODE);      /* Enable promiscuous mode */
        }
        else
                outb(2, ioaddr + RX_MODE);      /* Disable promiscuous, use normal mode */
}

#ifdef MODULE
static char devicename[9] = { 0, };
static struct device dev_fmv18x = {
        devicename, /* device name is inserted by linux/drivers/net/net_init.c */
        0, 0, 0, 0,
        0, 0,
        0, 0, 0, NULL, fmv18x_probe };

static int io = 0x220;
static int irq = 0;

MODULE_PARM(io, "i");
MODULE_PARM(irq, "i");
MODULE_PARM(net_debug, "i");

int init_module(void)
{
        if (io == 0)
                printk("fmv18x: You should not use auto-probing with insmod!\n");
        dev_fmv18x.base_addr = io;
        dev_fmv18x.irq       = irq;
        if (register_netdev(&dev_fmv18x) != 0) {
                printk("fmv18x: register_netdev() returned non-zero.\n");
                return -EIO;
        }
        return 0;
}

void
cleanup_module(void)
{
        unregister_netdev(&dev_fmv18x);
        kfree(dev_fmv18x.priv);
        dev_fmv18x.priv = NULL;

        /* If we don't do this, we can't re-insmod it later. */
        free_irq(dev_fmv18x.irq, &dev_fmv18x);
        release_region(dev_fmv18x.base_addr, FMV18X_IO_EXTENT);
}
#endif /* MODULE */
\f
/*
 * Local variables:
 *  compile-command: "gcc -D__KERNEL__ -I/usr/src/linux/net/inet -Wall -Wstrict-prototypes -O6 -m486 -c fmv18x.c"
 *  version-control: t
 *  kept-new-versions: 5
 *  tab-width: 4
 *  c-indent-level: 4
 * End:
 */