xirc2ps_cs.c

linux-2.6.15.6

}

static void netdev_get_drvinfo(struct net_device *dev,
			       struct ethtool_drvinfo *info)
{
	strcpy(info->driver, "xirc2ps_cs");
	sprintf(info->bus_info, "PCMCIA 0x%lx", dev->base_addr);
}

static struct ethtool_ops netdev_ethtool_ops = {
	.get_drvinfo		= netdev_get_drvinfo,
};

static int
do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
    local_info_t *local = netdev_priv(dev);
    kio_addr_t ioaddr = dev->base_addr;
    u16 *data = (u16 *)&rq->ifr_ifru;

    DEBUG(1, "%s: ioctl(%-.6s, %#04x) %04x %04x %04x %04x\n",
	  dev->name, rq->ifr_ifrn.ifrn_name, cmd,
	  data[0], data[1], data[2], data[3]);

    if (!local->mohawk)
	return -EOPNOTSUPP;

    switch(cmd) {
      case SIOCGMIIPHY:		/* Get the address of the PHY in use. */
	data[0] = 0;		/* we have only this address */
	/* fall trough */
      case SIOCGMIIREG:		/* Read the specified MII register. */
	data[3] = mii_rd(ioaddr, data[0] & 0x1f, data[1] & 0x1f);
	break;
      case SIOCSMIIREG:		/* Write the specified MII register */
	if (!capable(CAP_NET_ADMIN))
	    return -EPERM;
	mii_wr(ioaddr, data[0] & 0x1f, data[1] & 0x1f, data[2], 16);
	break;
      default:
	return -EOPNOTSUPP;
    }
    return 0;
}

static void
hardreset(struct net_device *dev)
{
    local_info_t *local = netdev_priv(dev);
    kio_addr_t ioaddr = dev->base_addr;

    SelectPage(4);
    udelay(1);
    PutByte(XIRCREG4_GPR1, 0);	     /* clear bit 0: power down */
    msleep(40);				     /* wait 40 msec */
    if (local->mohawk)
	PutByte(XIRCREG4_GPR1, 1);	 /* set bit 0: power up */
    else
	PutByte(XIRCREG4_GPR1, 1 | 4);	 /* set bit 0: power up, bit 2: AIC */
    msleep(20);			     /* wait 20 msec */
}

static void
do_reset(struct net_device *dev, int full)
{
    local_info_t *local = netdev_priv(dev);
    kio_addr_t ioaddr = dev->base_addr;
    unsigned value;

    DEBUG(0, "%s: do_reset(%p,%d)\n", dev? dev->name:"eth?", dev, full);

    hardreset(dev);
    PutByte(XIRCREG_CR, SoftReset); /* set */
    msleep(20);			     /* wait 20 msec */
    PutByte(XIRCREG_CR, 0);	     /* clear */
    msleep(40);			     /* wait 40 msec */
    if (local->mohawk) {
	SelectPage(4);
	/* set pin GP1 and GP2 to output  (0x0c)
	 * set GP1 to low to power up the ML6692 (0x00)
	 * set GP2 to high to power up the 10Mhz chip  (0x02)
	 */
	PutByte(XIRCREG4_GPR0, 0x0e);
    }

    /* give the circuits some time to power up */
    msleep(500);			/* about 500ms */

    local->last_ptr_value = 0;
    local->silicon = local->mohawk ? (GetByte(XIRCREG4_BOV) & 0x70) >> 4
				   : (GetByte(XIRCREG4_BOV) & 0x30) >> 4;

    if (local->probe_port) {
	if (!local->mohawk) {
	    SelectPage(4);
	    PutByte(XIRCREG4_GPR0, 4);
	    local->probe_port = 0;
	}
    } else if (dev->if_port == 2) { /* enable 10Base2 */
	SelectPage(0x42);
	PutByte(XIRCREG42_SWC1, 0xC0);
    } else { /* enable 10BaseT */
	SelectPage(0x42);
	PutByte(XIRCREG42_SWC1, 0x80);
    }
    msleep(40);			     /* wait 40 msec to let it complete */

  #ifdef PCMCIA_DEBUG
    if (pc_debug) {
	SelectPage(0);
	value = GetByte(XIRCREG_ESR);	 /* read the ESR */
	printk(KERN_DEBUG "%s: ESR is: %#02x\n", dev->name, value);
    }
  #endif

    /* setup the ECR */
    SelectPage(1);
    PutByte(XIRCREG1_IMR0, 0xff); /* allow all ints */
    PutByte(XIRCREG1_IMR1, 1	); /* and Set TxUnderrunDetect */
    value = GetByte(XIRCREG1_ECR);
  #if 0
    if (local->mohawk)
	value |= DisableLinkPulse;
    PutByte(XIRCREG1_ECR, value);
  #endif
    DEBUG(0, "%s: ECR is: %#02x\n", dev->name, value);

    SelectPage(0x42);
    PutByte(XIRCREG42_SWC0, 0x20); /* disable source insertion */

    if (local->silicon != 1) {
	/* set the local memory dividing line.
	 * The comments in the sample code say that this is only
	 * settable with the scipper version 2 which is revision 0.
	 * Always for CE3 cards
	 */
	SelectPage(2);
	PutWord(XIRCREG2_RBS, 0x2000);
    }

    if (full)
	set_addresses(dev);

    /* Hardware workaround:
     * The receive byte pointer after reset is off by 1 so we need
     * to move the offset pointer back to 0.
     */
    SelectPage(0);
    PutWord(XIRCREG0_DO, 0x2000); /* change offset command, off=0 */

    /* setup MAC IMRs and clear status registers */
    SelectPage(0x40);		     /* Bit 7 ... bit 0 */
    PutByte(XIRCREG40_RMASK0, 0xff); /* ROK, RAB, rsv, RO, CRC, AE, PTL, MP */
    PutByte(XIRCREG40_TMASK0, 0xff); /* TOK, TAB, SQE, LL, TU, JAB, EXC, CRS */
    PutByte(XIRCREG40_TMASK1, 0xb0); /* rsv, rsv, PTD, EXT, rsv,rsv,rsv, rsv*/
    PutByte(XIRCREG40_RXST0,  0x00); /* ROK, RAB, REN, RO, CRC, AE, PTL, MP */
    PutByte(XIRCREG40_TXST0,  0x00); /* TOK, TAB, SQE, LL, TU, JAB, EXC, CRS */
    PutByte(XIRCREG40_TXST1,  0x00); /* TEN, rsv, PTD, EXT, retry_counter:4  */

    if (full && local->mohawk && init_mii(dev)) {
	if (dev->if_port == 4 || local->dingo || local->new_mii) {
	    printk(KERN_INFO "%s: MII selected\n", dev->name);
	    SelectPage(2);
	    PutByte(XIRCREG2_MSR, GetByte(XIRCREG2_MSR) | 0x08);
	    msleep(20);
	} else {
	    printk(KERN_INFO "%s: MII detected; using 10mbs\n",
		   dev->name);
	    SelectPage(0x42);
	    if (dev->if_port == 2) /* enable 10Base2 */
		PutByte(XIRCREG42_SWC1, 0xC0);
	    else  /* enable 10BaseT */
		PutByte(XIRCREG42_SWC1, 0x80);
	    msleep(40);			/* wait 40 msec to let it complete */
	}
	if (full_duplex)
	    PutByte(XIRCREG1_ECR, GetByte(XIRCREG1_ECR | FullDuplex));
    } else {  /* No MII */
	SelectPage(0);
	value = GetByte(XIRCREG_ESR);	 /* read the ESR */
	dev->if_port = (value & MediaSelect) ? 1 : 2;
    }

    /* configure the LEDs */
    SelectPage(2);
    if (dev->if_port == 1 || dev->if_port == 4) /* TP: Link and Activity */
	PutByte(XIRCREG2_LED, 0x3b);
    else			      /* Coax: Not-Collision and Activity */
	PutByte(XIRCREG2_LED, 0x3a);

    if (local->dingo)
	PutByte(0x0b, 0x04); /* 100 Mbit LED */

    /* enable receiver and put the mac online */
    if (full) {
	SelectPage(0x40);
	PutByte(XIRCREG40_CMD0, EnableRecv | Online);
    }

    /* setup Ethernet IMR and enable interrupts */
    SelectPage(1);
    PutByte(XIRCREG1_IMR0, 0xff);
    udelay(1);
    SelectPage(0);
    PutByte(XIRCREG_CR, EnableIntr);
    if (local->modem && !local->dingo) { /* do some magic */
	if (!(GetByte(0x10) & 0x01))
	    PutByte(0x10, 0x11); /* unmask master-int bit */
    }

    if (full)
	printk(KERN_INFO "%s: media %s, silicon revision %d\n",
	       dev->name, if_names[dev->if_port], local->silicon);
    /* We should switch back to page 0 to avoid a bug in revision 0
     * where regs with offset below 8 can't be read after an access
     * to the MAC registers */
    SelectPage(0);
}

/****************
 * Initialize the Media-Independent-Interface
 * Returns: True if we have a good MII
 */
static int
init_mii(struct net_device *dev)
{
    local_info_t *local = netdev_priv(dev);
    kio_addr_t ioaddr = dev->base_addr;
    unsigned control, status, linkpartner;
    int i;

    if (if_port == 4 || if_port == 1) { /* force 100BaseT or 10BaseT */
	dev->if_port = if_port;
	local->probe_port = 0;
	return 1;
    }

    status = mii_rd(ioaddr,  0, 1);
    if ((status & 0xff00) != 0x7800)
	return 0; /* No MII */

    local->new_mii = (mii_rd(ioaddr, 0, 2) != 0xffff);
    
    if (local->probe_port)
	control = 0x1000; /* auto neg */
    else if (dev->if_port == 4)
	control = 0x2000; /* no auto neg, 100mbs mode */
    else
	control = 0x0000; /* no auto neg, 10mbs mode */
    mii_wr(ioaddr,  0, 0, control, 16);
    udelay(100);
    control = mii_rd(ioaddr, 0, 0);

    if (control & 0x0400) {
	printk(KERN_NOTICE "%s can't take PHY out of isolation mode\n",
	       dev->name);
	local->probe_port = 0;
	return 0;
    }

    if (local->probe_port) {
	/* according to the DP83840A specs the auto negotiation process
	 * may take up to 3.5 sec, so we use this also for our ML6692
	 * Fixme: Better to use a timer here!
	 */
	for (i=0; i < 35; i++) {
	    msleep(100);	 /* wait 100 msec */
	    status = mii_rd(ioaddr,  0, 1);
	    if ((status & 0x0020) && (status & 0x0004))
		break;
	}

	if (!(status & 0x0020)) {
	    printk(KERN_INFO "%s: autonegotiation failed;"
		   " using 10mbs\n", dev->name);
	    if (!local->new_mii) {
		control = 0x0000;
		mii_wr(ioaddr,  0, 0, control, 16);
		udelay(100);
		SelectPage(0);
		dev->if_port = (GetByte(XIRCREG_ESR) & MediaSelect) ? 1 : 2;
	    }
	} else {
	    linkpartner = mii_rd(ioaddr, 0, 5);
	    printk(KERN_INFO "%s: MII link partner: %04x\n",
		   dev->name, linkpartner);
	    if (linkpartner & 0x0080) {
		dev->if_port = 4;
	    } else
		dev->if_port = 1;
	}
    }

    return 1;
}

static void
do_powerdown(struct net_device *dev)
{

    kio_addr_t ioaddr = dev->base_addr;

    DEBUG(0, "do_powerdown(%p)\n", dev);

    SelectPage(4);
    PutByte(XIRCREG4_GPR1, 0);	     /* clear bit 0: power down */
    SelectPage(0);
}

static int
do_stop(struct net_device *dev)
{
    kio_addr_t ioaddr = dev->base_addr;
    local_info_t *lp = netdev_priv(dev);
    dev_link_t *link = &lp->link;

    DEBUG(0, "do_stop(%p)\n", dev);

    if (!link)
	return -ENODEV;

    netif_stop_queue(dev);

    SelectPage(0);
    PutByte(XIRCREG_CR, 0);  /* disable interrupts */
    SelectPage(0x01);
    PutByte(XIRCREG1_IMR0, 0x00); /* forbid all ints */
    SelectPage(4);
    PutByte(XIRCREG4_GPR1, 0);	/* clear bit 0: power down */
    SelectPage(0);

    link->open--;
    return 0;
}

static struct pcmcia_device_id xirc2ps_ids[] = {
	PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0089, 0x110a),
	PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0138, 0x110a),
	PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "CEM28", 0x2e3ee845, 0x0ea978ea),
	PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "CEM33", 0x2e3ee845, 0x80609023),
	PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "CEM56", 0x2e3ee845, 0xa650c32a),
	PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "REM10", 0x2e3ee845, 0x76df1d29),
	PCMCIA_PFC_DEVICE_PROD_ID13(0, "Xircom", "XEM5600", 0x2e3ee845, 0xf1403719),
	PCMCIA_PFC_DEVICE_PROD_ID12(0, "Xircom", "CreditCard Ethernet+Modem II", 0x2e3ee845, 0xeca401bf),
	PCMCIA_DEVICE_MANF_CARD(0x01bf, 0x010a),
	PCMCIA_DEVICE_PROD_ID13("Toshiba Information Systems", "TPCENET", 0x1b3b94fe, 0xf381c1a2),
	PCMCIA_DEVICE_PROD_ID13("Xircom", "CE3-10/100", 0x2e3ee845, 0x0ec0ac37),
	PCMCIA_DEVICE_PROD_ID13("Xircom", "PS-CE2-10", 0x2e3ee845, 0x947d9073),
	PCMCIA_DEVICE_PROD_ID13("Xircom", "R2E-100BTX", 0x2e3ee845, 0x2464a6e3),
	PCMCIA_DEVICE_PROD_ID13("Xircom", "RE-10", 0x2e3ee845, 0x3e08d609),
	PCMCIA_DEVICE_PROD_ID13("Xircom", "XE2000", 0x2e3ee845, 0xf7188e46),
	PCMCIA_DEVICE_PROD_ID12("Compaq", "Ethernet LAN Card", 0x54f7c49c, 0x9fd2f0a2),
	PCMCIA_DEVICE_PROD_ID12("Compaq", "Netelligent 10/100 PC Card", 0x54f7c49c, 0xefe96769),
	PCMCIA_DEVICE_PROD_ID12("Intel", "EtherExpress(TM) PRO/100 PC Card Mobile Adapter16", 0x816cc815, 0x174397db),
	PCMCIA_DEVICE_PROD_ID12("Toshiba", "10/100 Ethernet PC Card", 0x44a09d9c, 0xb44deecf),
	/* also matches CFE-10 cards! */
	/* PCMCIA_DEVICE_MANF_CARD(0x0105, 0x010a), */
	PCMCIA_DEVICE_NULL,
};
MODULE_DEVICE_TABLE(pcmcia, xirc2ps_ids);


static struct pcmcia_driver xirc2ps_cs_driver = {
	.owner		= THIS_MODULE,
	.drv		= {
		.name	= "xirc2ps_cs",
	},
	.attach		= xirc2ps_attach,
	.event		= xirc2ps_event,
	.detach		= xirc2ps_detach,
	.id_table       = xirc2ps_ids,
};

static int __init
init_xirc2ps_cs(void)
{
	return pcmcia_register_driver(&xirc2ps_cs_driver);
}

static void __exit
exit_xirc2ps_cs(void)
{
	pcmcia_unregister_driver(&xirc2ps_cs_driver);
	BUG_ON(dev_list != NULL);
}

module_init(init_xirc2ps_cs);
module_exit(exit_xirc2ps_cs);

#ifndef MODULE
static int __init setup_xirc2ps_cs(char *str)
{
	/* if_port, full_duplex, do_sound, lockup_hack
	 */
	int ints[10] = { -1 };

	str = get_options(str, 9, ints);

#define MAYBE_SET(X,Y) if (ints[0] >= Y && ints[Y] != -1) { X = ints[Y]; }
	MAYBE_SET(if_port, 3);
	MAYBE_SET(full_duplex, 4);
	MAYBE_SET(do_sound, 5);
	MAYBE_SET(lockup_hack, 6);
#undef  MAYBE_SET

	return 0;
}

__setup("xirc2ps_cs=", setup_xirc2ps_cs);
#endif