[deliverable/linux.git] / drivers / net / arcnet / com20020.c

/*
 * Linux ARCnet driver - COM20020 chipset support
 * 
 * Written 1997 by David Woodhouse.
 * Written 1994-1999 by Avery Pennarun.
 * Written 1999 by Martin Mares <mj@ucw.cz>.
 * Derived from skeleton.c by Donald Becker.
 *
 * Special thanks to Contemporary Controls, Inc. (www.ccontrols.com)
 *  for sponsoring the further development of this driver.
 *
 * **********************
 *
 * The original copyright of skeleton.c was as follows:
 *
 * skeleton.c Written 1993 by Donald Becker.
 * Copyright 1993 United States Government as represented by the
 * Director, National Security Agency.  This software may only be used
 * and distributed according to the terms of the GNU General Public License as
 * modified by SRC, incorporated herein by reference.
 *
 * **********************
 *
 * For more details, see drivers/net/arcnet.c
 *
 * **********************
 */
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/ioport.h>
#include <linux/errno.h>
#include <linux/delay.h>
#include <linux/netdevice.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/arcdevice.h>
#include <linux/com20020.h>

#include <asm/io.h>

#define VERSION "arcnet: COM20020 chipset support (by David Woodhouse et al.)\n"

static char *clockrates[] =
{"10 Mb/s", "Reserved", "5 Mb/s",
 "2.5 Mb/s", "1.25Mb/s", "625 Kb/s", "312.5 Kb/s",
 "156.25 Kb/s", "Reserved", "Reserved", "Reserved"};

static void com20020_command(struct net_device *dev, int command);
static int com20020_status(struct net_device *dev);
static void com20020_setmask(struct net_device *dev, int mask);
static int com20020_reset(struct net_device *dev, int really_reset);
static void com20020_copy_to_card(struct net_device *dev, int bufnum,
				  int offset, void *buf, int count);
static void com20020_copy_from_card(struct net_device *dev, int bufnum,
				    int offset, void *buf, int count);
static void com20020_set_mc_list(struct net_device *dev);
static void com20020_close(struct net_device *);

static void com20020_copy_from_card(struct net_device *dev, int bufnum,
				    int offset, void *buf, int count)
{
	int ioaddr = dev->base_addr, ofs = 512 * bufnum + offset;

	/* set up the address register */
	outb((ofs >> 8) | RDDATAflag | AUTOINCflag, _ADDR_HI);
	outb(ofs & 0xff, _ADDR_LO);

	/* copy the data */
	TIME("insb", count, insb(_MEMDATA, buf, count));
}


static void com20020_copy_to_card(struct net_device *dev, int bufnum,
				  int offset, void *buf, int count)
{
	int ioaddr = dev->base_addr, ofs = 512 * bufnum + offset;

	/* set up the address register */
	outb((ofs >> 8) | AUTOINCflag, _ADDR_HI);
	outb(ofs & 0xff, _ADDR_LO);

	/* copy the data */
	TIME("outsb", count, outsb(_MEMDATA, buf, count));
}


/* Reset the card and check some basic stuff during the detection stage. */
int com20020_check(struct net_device *dev)
{
	int ioaddr = dev->base_addr, status;
	struct arcnet_local *lp = netdev_priv(dev);

	ARCRESET0;
	mdelay(RESETtime);

	lp->setup = lp->clockm ? 0 : (lp->clockp << 1);
	lp->setup2 = (lp->clockm << 4) | 8;

	/* CHECK: should we do this for SOHARD cards ? */
	/* Enable P1Mode for backplane mode */
	lp->setup = lp->setup | P1MODE;

	SET_SUBADR(SUB_SETUP1);
	outb(lp->setup, _XREG);

	if (lp->clockm != 0)
	{
		SET_SUBADR(SUB_SETUP2);
		outb(lp->setup2, _XREG);
	
		/* must now write the magic "restart operation" command */
		mdelay(1);
		outb(0x18, _COMMAND);
	}

	lp->config = 0x21 | (lp->timeout << 3) | (lp->backplane << 2);
	/* set node ID to 0x42 (but transmitter is disabled, so it's okay) */
	SETCONF;
	outb(0x42, ioaddr + BUS_ALIGN*7);

	status = ASTATUS();

	if ((status & 0x99) != (NORXflag | TXFREEflag | RESETflag)) {
		BUGMSG(D_NORMAL, "status invalid (%Xh).\n", status);
		return -ENODEV;
	}
	BUGMSG(D_INIT_REASONS, "status after reset: %X\n", status);

	/* Enable TX */
	outb(0x39, _CONFIG);
	outb(inb(ioaddr + BUS_ALIGN*8), ioaddr + BUS_ALIGN*7);

	ACOMMAND(CFLAGScmd | RESETclear | CONFIGclear);

	status = ASTATUS();
	BUGMSG(D_INIT_REASONS, "status after reset acknowledged: %X\n",
	       status);

	/* Read first location of memory */
	outb(0 | RDDATAflag | AUTOINCflag, _ADDR_HI);
	outb(0, _ADDR_LO);

	if ((status = inb(_MEMDATA)) != TESTvalue) {
		BUGMSG(D_NORMAL, "Signature byte not found (%02Xh != D1h).\n",
		       status);
		return -ENODEV;
	}
	return 0;
}

static int com20020_set_hwaddr(struct net_device *dev, void *addr)
{
	int ioaddr = dev->base_addr;
	struct arcnet_local *lp = netdev_priv(dev);
	struct sockaddr *hwaddr = addr;

	memcpy(dev->dev_addr, hwaddr->sa_data, 1);
	SET_SUBADR(SUB_NODE);
	outb(dev->dev_addr[0], _XREG);

	return 0;
}

const struct net_device_ops com20020_netdev_ops = {
	.ndo_open	= arcnet_open,
	.ndo_stop	= arcnet_close,
	.ndo_start_xmit = arcnet_send_packet,
	.ndo_tx_timeout = arcnet_timeout,
	.ndo_set_mac_address = com20020_set_hwaddr,
	.ndo_set_rx_mode = com20020_set_mc_list,
};

/* Set up the struct net_device associated with this card.  Called after
 * probing succeeds.
 */
int com20020_found(struct net_device *dev, int shared)
{
	struct arcnet_local *lp;
	int ioaddr = dev->base_addr;

	/* Initialize the rest of the device structure. */

	lp = netdev_priv(dev);

	lp->hw.owner = THIS_MODULE;
	lp->hw.command = com20020_command;
	lp->hw.status = com20020_status;
	lp->hw.intmask = com20020_setmask;
	lp->hw.reset = com20020_reset;
	lp->hw.copy_to_card = com20020_copy_to_card;
	lp->hw.copy_from_card = com20020_copy_from_card;
	lp->hw.close = com20020_close;

	if (!dev->dev_addr[0])
		dev->dev_addr[0] = inb(ioaddr + BUS_ALIGN*8);	/* FIXME: do this some other way! */

	SET_SUBADR(SUB_SETUP1);
	outb(lp->setup, _XREG);

	if (lp->card_flags & ARC_CAN_10MBIT)
	{
		SET_SUBADR(SUB_SETUP2);
		outb(lp->setup2, _XREG);
	
		/* must now write the magic "restart operation" command */
		mdelay(1);
		outb(0x18, _COMMAND);
	}

	lp->config = 0x20 | (lp->timeout << 3) | (lp->backplane << 2) | 1;
	/* Default 0x38 + register: Node ID */
	SETCONF;
	outb(dev->dev_addr[0], _XREG);

	/* reserve the irq */
	if (request_irq(dev->irq, arcnet_interrupt, shared,
			"arcnet (COM20020)", dev)) {
		BUGMSG(D_NORMAL, "Can't get IRQ %d!\n", dev->irq);
		return -ENODEV;
	}

	dev->base_addr = ioaddr;

	BUGMSG(D_NORMAL, "%s: station %02Xh found at %03lXh, IRQ %d.\n",
	       lp->card_name, dev->dev_addr[0], dev->base_addr, dev->irq);

	if (lp->backplane)
		BUGMSG(D_NORMAL, "Using backplane mode.\n");

	if (lp->timeout != 3)
		BUGMSG(D_NORMAL, "Using extended timeout value of %d.\n", lp->timeout);

	BUGMSG(D_NORMAL, "Using CKP %d - data rate %s.\n",
	       lp->setup >> 1, 
	       clockrates[3 - ((lp->setup2 & 0xF0) >> 4) + ((lp->setup & 0x0F) >> 1)]);

	if (register_netdev(dev)) {
		free_irq(dev->irq, dev);
		return -EIO;
	}
	return 0;
}


/* 
 * Do a hardware reset on the card, and set up necessary registers.
 * 
 * This should be called as little as possible, because it disrupts the
 * token on the network (causes a RECON) and requires a significant delay.
 *
 * However, it does make sure the card is in a defined state.
 */
static int com20020_reset(struct net_device *dev, int really_reset)
{
	struct arcnet_local *lp = netdev_priv(dev);
	u_int ioaddr = dev->base_addr;
	u_char inbyte;

	BUGMSG(D_DEBUG, "%s: %d: %s: dev: %p, lp: %p, dev->name: %s\n",
		__FILE__,__LINE__,__func__,dev,lp,dev->name);
	BUGMSG(D_INIT, "Resetting %s (status=%02Xh)\n",
	       dev->name, ASTATUS());

	BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__func__);
	lp->config = TXENcfg | (lp->timeout << 3) | (lp->backplane << 2);
	/* power-up defaults */
	SETCONF;
	BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__func__);

	if (really_reset) {
		/* reset the card */
		ARCRESET;
		mdelay(RESETtime * 2);	/* COM20020 seems to be slower sometimes */
	}
	/* clear flags & end reset */
	BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__func__);
	ACOMMAND(CFLAGScmd | RESETclear | CONFIGclear);

	/* verify that the ARCnet signature byte is present */
	BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__func__);

	com20020_copy_from_card(dev, 0, 0, &inbyte, 1);
	BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__func__);
	if (inbyte != TESTvalue) {
		BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__func__);
		BUGMSG(D_NORMAL, "reset failed: TESTvalue not present.\n");
		return 1;
	}
	/* enable extended (512-byte) packets */
	ACOMMAND(CONFIGcmd | EXTconf);
	BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__func__);

	/* done!  return success. */
	return 0;
}


static void com20020_setmask(struct net_device *dev, int mask)
{
	u_int ioaddr = dev->base_addr;
	BUGMSG(D_DURING, "Setting mask to %x at %x\n",mask,ioaddr);
	AINTMASK(mask);
}


static void com20020_command(struct net_device *dev, int cmd)
{
	u_int ioaddr = dev->base_addr;
	ACOMMAND(cmd);
}


static int com20020_status(struct net_device *dev)
{
	u_int ioaddr = dev->base_addr;

	return ASTATUS() + (ADIAGSTATUS()<<8);
}

static void com20020_close(struct net_device *dev)
{
	struct arcnet_local *lp = netdev_priv(dev);
	int ioaddr = dev->base_addr;

	/* disable transmitter */
	lp->config &= ~TXENcfg;
	SETCONF;
}

/* 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.
 *      FIXME - do multicast stuff, not just promiscuous.
 */
static void com20020_set_mc_list(struct net_device *dev)
{
	struct arcnet_local *lp = netdev_priv(dev);
	int ioaddr = dev->base_addr;

	if ((dev->flags & IFF_PROMISC) && (dev->flags & IFF_UP)) {	/* Enable promiscuous mode */
		if (!(lp->setup & PROMISCset))
			BUGMSG(D_NORMAL, "Setting promiscuous flag...\n");
		SET_SUBADR(SUB_SETUP1);
		lp->setup |= PROMISCset;
		outb(lp->setup, _XREG);
	} else
		/* Disable promiscuous mode, use normal mode */
	{
		if ((lp->setup & PROMISCset))
			BUGMSG(D_NORMAL, "Resetting promiscuous flag...\n");
		SET_SUBADR(SUB_SETUP1);
		lp->setup &= ~PROMISCset;
		outb(lp->setup, _XREG);
	}
}

#if defined(CONFIG_ARCNET_COM20020_PCI_MODULE) || \
    defined(CONFIG_ARCNET_COM20020_ISA_MODULE) || \
    defined(CONFIG_ARCNET_COM20020_CS_MODULE)
EXPORT_SYMBOL(com20020_check);
EXPORT_SYMBOL(com20020_found);
EXPORT_SYMBOL(com20020_netdev_ops);
#endif

MODULE_LICENSE("GPL");

#ifdef MODULE

static int __init com20020_module_init(void)
{
	BUGLVL(D_NORMAL) printk(VERSION);
	return 0;
}

static void __exit com20020_module_exit(void)
{
}
module_init(com20020_module_init);
module_exit(com20020_module_exit);
#endif				/* MODULE */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Linux ARCnet driver - COM20020 chipset support
	3	*
	4	* Written 1997 by David Woodhouse.
	5	* Written 1994-1999 by Avery Pennarun.
	6	* Written 1999 by Martin Mares <mj@ucw.cz>.
	7	* Derived from skeleton.c by Donald Becker.
	8	*
	9	* Special thanks to Contemporary Controls, Inc. (www.ccontrols.com)
	10	* for sponsoring the further development of this driver.
	11	*
	12	* **********************
	13	*
	14	* The original copyright of skeleton.c was as follows:
	15	*
	16	* skeleton.c Written 1993 by Donald Becker.
	17	* Copyright 1993 United States Government as represented by the
	18	* Director, National Security Agency. This software may only be used
	19	* and distributed according to the terms of the GNU General Public License as
	20	* modified by SRC, incorporated herein by reference.
	21	*
	22	* **********************
	23	*
	24	* For more details, see drivers/net/arcnet.c
	25	*
	26	* **********************
	27	*/
	28	#include <linux/module.h>
	29	#include <linux/kernel.h>
	30	#include <linux/types.h>
	31	#include <linux/ioport.h>
1da177e4 LT	32	#include <linux/errno.h>
	33	#include <linux/delay.h>
	34	#include <linux/netdevice.h>
	35	#include <linux/init.h>
a6b7a407	36	#include <linux/interrupt.h>
1da177e4 LT	37	#include <linux/arcdevice.h>
	38	#include <linux/com20020.h>
	39
	40	#include <asm/io.h>
	41
	42	#define VERSION "arcnet: COM20020 chipset support (by David Woodhouse et al.)\n"
	43
	44	static char *clockrates[] =
	45	{"10 Mb/s", "Reserved", "5 Mb/s",
	46	"2.5 Mb/s", "1.25Mb/s", "625 Kb/s", "312.5 Kb/s",
	47	"156.25 Kb/s", "Reserved", "Reserved", "Reserved"};
	48
	49	static void com20020_command(struct net_device *dev, int command);
	50	static int com20020_status(struct net_device *dev);
	51	static void com20020_setmask(struct net_device *dev, int mask);
	52	static int com20020_reset(struct net_device *dev, int really_reset);
	53	static void com20020_copy_to_card(struct net_device *dev, int bufnum,
	54	int offset, void *buf, int count);
	55	static void com20020_copy_from_card(struct net_device *dev, int bufnum,
	56	int offset, void *buf, int count);
	57	static void com20020_set_mc_list(struct net_device *dev);
	58	static void com20020_close(struct net_device *);
	59
	60	static void com20020_copy_from_card(struct net_device *dev, int bufnum,
	61	int offset, void *buf, int count)
	62	{
	63	int ioaddr = dev->base_addr, ofs = 512 * bufnum + offset;
	64
	65	/* set up the address register */
	66	outb((ofs >> 8) \| RDDATAflag \| AUTOINCflag, _ADDR_HI);
	67	outb(ofs & 0xff, _ADDR_LO);
	68
	69	/* copy the data */
	70	TIME("insb", count, insb(_MEMDATA, buf, count));
	71	}
	72
	73
	74	static void com20020_copy_to_card(struct net_device *dev, int bufnum,
	75	int offset, void *buf, int count)
	76	{
	77	int ioaddr = dev->base_addr, ofs = 512 * bufnum + offset;
	78
	79	/* set up the address register */
	80	outb((ofs >> 8) \| AUTOINCflag, _ADDR_HI);
	81	outb(ofs & 0xff, _ADDR_LO);
	82
	83	/* copy the data */
	84	TIME("outsb", count, outsb(_MEMDATA, buf, count));
	85	}
	86
	87
	88	/* Reset the card and check some basic stuff during the detection stage. */
	89	int com20020_check(struct net_device *dev)
	90	{
	91	int ioaddr = dev->base_addr, status;
454d7c9b	92	struct arcnet_local *lp = netdev_priv(dev);
1da177e4 LT	93
	94	ARCRESET0;
	95	mdelay(RESETtime);
	96
	97	lp->setup = lp->clockm ? 0 : (lp->clockp << 1);
	98	lp->setup2 = (lp->clockm << 4) \| 8;
	99
	100	/* CHECK: should we do this for SOHARD cards ? */
	101	/* Enable P1Mode for backplane mode */
	102	lp->setup = lp->setup \| P1MODE;
	103
	104	SET_SUBADR(SUB_SETUP1);
	105	outb(lp->setup, _XREG);
	106
52edc17f	107	if (lp->clockm != 0)
1da177e4 LT	108	{
	109	SET_SUBADR(SUB_SETUP2);
	110	outb(lp->setup2, _XREG);
	111
	112	/* must now write the magic "restart operation" command */
	113	mdelay(1);
	114	outb(0x18, _COMMAND);
	115	}
	116
	117	lp->config = 0x21 \| (lp->timeout << 3) \| (lp->backplane << 2);
	118	/* set node ID to 0x42 (but transmitter is disabled, so it's okay) */
	119	SETCONF;
	120	outb(0x42, ioaddr + BUS_ALIGN*7);
	121
	122	status = ASTATUS();
	123
	124	if ((status & 0x99) != (NORXflag \| TXFREEflag \| RESETflag)) {
	125	BUGMSG(D_NORMAL, "status invalid (%Xh).\n", status);
	126	return -ENODEV;
	127	}
	128	BUGMSG(D_INIT_REASONS, "status after reset: %X\n", status);
	129
	130	/* Enable TX */
	131	outb(0x39, _CONFIG);
	132	outb(inb(ioaddr + BUS_ALIGN8), ioaddr + BUS_ALIGN7);
	133
	134	ACOMMAND(CFLAGScmd \| RESETclear \| CONFIGclear);
	135
	136	status = ASTATUS();
	137	BUGMSG(D_INIT_REASONS, "status after reset acknowledged: %X\n",
	138	status);
	139
	140	/* Read first location of memory */
	141	outb(0 \| RDDATAflag \| AUTOINCflag, _ADDR_HI);
	142	outb(0, _ADDR_LO);
	143
	144	if ((status = inb(_MEMDATA)) != TESTvalue) {
	145	BUGMSG(D_NORMAL, "Signature byte not found (%02Xh != D1h).\n",
	146	status);
	147	return -ENODEV;
	148	}
	149	return 0;
	150	}
	151
a0d2e513 MG	152	static int com20020_set_hwaddr(struct net_device dev, void addr)
	153	{
	154	int ioaddr = dev->base_addr;
	155	struct arcnet_local *lp = netdev_priv(dev);
	156	struct sockaddr *hwaddr = addr;
	157
	158	memcpy(dev->dev_addr, hwaddr->sa_data, 1);
	159	SET_SUBADR(SUB_NODE);
	160	outb(dev->dev_addr[0], _XREG);
	161
	162	return 0;
	163	}
	164
a1799af4 SH	165	const struct net_device_ops com20020_netdev_ops = {
	166	.ndo_open = arcnet_open,
	167	.ndo_stop = arcnet_close,
	168	.ndo_start_xmit = arcnet_send_packet,
	169	.ndo_tx_timeout = arcnet_timeout,
a0d2e513	170	.ndo_set_mac_address = com20020_set_hwaddr,
afc4b13d	171	.ndo_set_rx_mode = com20020_set_mc_list,
a1799af4 SH	172	};
a1799af4 SH	173
1da177e4 LT	174	/* Set up the struct net_device associated with this card. Called after
	175	* probing succeeds.
	176	*/
	177	int com20020_found(struct net_device *dev, int shared)
	178	{
	179	struct arcnet_local *lp;
	180	int ioaddr = dev->base_addr;
	181
	182	/* Initialize the rest of the device structure. */
	183
454d7c9b	184	lp = netdev_priv(dev);
1da177e4 LT	185
	186	lp->hw.owner = THIS_MODULE;
	187	lp->hw.command = com20020_command;
	188	lp->hw.status = com20020_status;
	189	lp->hw.intmask = com20020_setmask;
	190	lp->hw.reset = com20020_reset;
	191	lp->hw.copy_to_card = com20020_copy_to_card;
	192	lp->hw.copy_from_card = com20020_copy_from_card;
	193	lp->hw.close = com20020_close;
	194
1da177e4 LT	195	if (!dev->dev_addr[0])
	196	dev->dev_addr[0] = inb(ioaddr + BUS_ALIGN8); / FIXME: do this some other way! */
	197
	198	SET_SUBADR(SUB_SETUP1);
	199	outb(lp->setup, _XREG);
	200
	201	if (lp->card_flags & ARC_CAN_10MBIT)
	202	{
	203	SET_SUBADR(SUB_SETUP2);
	204	outb(lp->setup2, _XREG);
	205
	206	/* must now write the magic "restart operation" command */
	207	mdelay(1);
	208	outb(0x18, _COMMAND);
	209	}
	210
	211	lp->config = 0x20 \| (lp->timeout << 3) \| (lp->backplane << 2) \| 1;
	212	/* Default 0x38 + register: Node ID */
	213	SETCONF;
	214	outb(dev->dev_addr[0], _XREG);
	215
	216	/* reserve the irq */
a0607fd3	217	if (request_irq(dev->irq, arcnet_interrupt, shared,
1da177e4 LT	218	"arcnet (COM20020)", dev)) {
	219	BUGMSG(D_NORMAL, "Can't get IRQ %d!\n", dev->irq);
	220	return -ENODEV;
	221	}
	222
	223	dev->base_addr = ioaddr;
	224
	225	BUGMSG(D_NORMAL, "%s: station %02Xh found at %03lXh, IRQ %d.\n",
	226	lp->card_name, dev->dev_addr[0], dev->base_addr, dev->irq);
	227
	228	if (lp->backplane)
	229	BUGMSG(D_NORMAL, "Using backplane mode.\n");
	230
	231	if (lp->timeout != 3)
	232	BUGMSG(D_NORMAL, "Using extended timeout value of %d.\n", lp->timeout);
	233
	234	BUGMSG(D_NORMAL, "Using CKP %d - data rate %s.\n",
	235	lp->setup >> 1,
	236	clockrates[3 - ((lp->setup2 & 0xF0) >> 4) + ((lp->setup & 0x0F) >> 1)]);
	237
	238	if (register_netdev(dev)) {
	239	free_irq(dev->irq, dev);
	240	return -EIO;
	241	}
	242	return 0;
	243	}
	244
	245
	246	/*
	247	* Do a hardware reset on the card, and set up necessary registers.
	248	*
	249	* This should be called as little as possible, because it disrupts the
	250	* token on the network (causes a RECON) and requires a significant delay.
	251	*
	252	* However, it does make sure the card is in a defined state.
	253	*/
	254	static int com20020_reset(struct net_device *dev, int really_reset)
	255	{
454d7c9b	256	struct arcnet_local *lp = netdev_priv(dev);
1da177e4 LT	257	u_int ioaddr = dev->base_addr;
	258	u_char inbyte;
	259
	260	BUGMSG(D_DEBUG, "%s: %d: %s: dev: %p, lp: %p, dev->name: %s\n",
b39d66a8	261	__FILE__,__LINE__,__func__,dev,lp,dev->name);
1da177e4 LT	262	BUGMSG(D_INIT, "Resetting %s (status=%02Xh)\n",
	263	dev->name, ASTATUS());
	264
b39d66a8	265	BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__func__);
1da177e4 LT	266	lp->config = TXENcfg \| (lp->timeout << 3) \| (lp->backplane << 2);
	267	/* power-up defaults */
	268	SETCONF;
b39d66a8	269	BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__func__);
1da177e4 LT	270
	271	if (really_reset) {
	272	/* reset the card */
	273	ARCRESET;
	274	mdelay(RESETtime * 2); /* COM20020 seems to be slower sometimes */
	275	}
	276	/* clear flags & end reset */
b39d66a8	277	BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__func__);
1da177e4 LT	278	ACOMMAND(CFLAGScmd \| RESETclear \| CONFIGclear);
	279
	280	/* verify that the ARCnet signature byte is present */
b39d66a8	281	BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__func__);
1da177e4 LT	282
1da177e4 LT	283	com20020_copy_from_card(dev, 0, 0, &inbyte, 1);
b39d66a8	284	BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__func__);
1da177e4	285	if (inbyte != TESTvalue) {
b39d66a8	286	BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__func__);
1da177e4 LT	287	BUGMSG(D_NORMAL, "reset failed: TESTvalue not present.\n");
	288	return 1;
	289	}
	290	/* enable extended (512-byte) packets */
	291	ACOMMAND(CONFIGcmd \| EXTconf);
b39d66a8	292	BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__func__);
1da177e4 LT	293
	294	/* done! return success. */
	295	return 0;
	296	}
	297
	298
	299	static void com20020_setmask(struct net_device *dev, int mask)
	300	{
	301	u_int ioaddr = dev->base_addr;
	302	BUGMSG(D_DURING, "Setting mask to %x at %x\n",mask,ioaddr);
	303	AINTMASK(mask);
	304	}
	305
	306
	307	static void com20020_command(struct net_device *dev, int cmd)
	308	{
	309	u_int ioaddr = dev->base_addr;
	310	ACOMMAND(cmd);
	311	}
	312
	313
	314	static int com20020_status(struct net_device *dev)
	315	{
	316	u_int ioaddr = dev->base_addr;
	317
	318	return ASTATUS() + (ADIAGSTATUS()<<8);
	319	}
	320
	321	static void com20020_close(struct net_device *dev)
	322	{
454d7c9b	323	struct arcnet_local *lp = netdev_priv(dev);
1da177e4 LT	324	int ioaddr = dev->base_addr;
	325
	326	/* disable transmitter */
	327	lp->config &= ~TXENcfg;
	328	SETCONF;
	329	}
	330
	331	/* Set or clear the multicast filter for this adaptor.
	332	* num_addrs == -1 Promiscuous mode, receive all packets
	333	* num_addrs == 0 Normal mode, clear multicast list
	334	* num_addrs > 0 Multicast mode, receive normal and MC packets, and do
	335	* best-effort filtering.
	336	* FIXME - do multicast stuff, not just promiscuous.
	337	*/
	338	static void com20020_set_mc_list(struct net_device *dev)
	339	{
454d7c9b	340	struct arcnet_local *lp = netdev_priv(dev);
1da177e4 LT	341	int ioaddr = dev->base_addr;
	342
	343	if ((dev->flags & IFF_PROMISC) && (dev->flags & IFF_UP)) { /* Enable promiscuous mode */
	344	if (!(lp->setup & PROMISCset))
	345	BUGMSG(D_NORMAL, "Setting promiscuous flag...\n");
	346	SET_SUBADR(SUB_SETUP1);
	347	lp->setup \|= PROMISCset;
	348	outb(lp->setup, _XREG);
	349	} else
	350	/* Disable promiscuous mode, use normal mode */
	351	{
	352	if ((lp->setup & PROMISCset))
	353	BUGMSG(D_NORMAL, "Resetting promiscuous flag...\n");
	354	SET_SUBADR(SUB_SETUP1);
	355	lp->setup &= ~PROMISCset;
	356	outb(lp->setup, _XREG);
	357	}
	358	}
	359
ace48ffb	360	#if defined(CONFIG_ARCNET_COM20020_PCI_MODULE) \|\| \
2a10387e RD	361	defined(CONFIG_ARCNET_COM20020_ISA_MODULE) \|\| \
2a10387e RD	362	defined(CONFIG_ARCNET_COM20020_CS_MODULE)
1da177e4 LT	363	EXPORT_SYMBOL(com20020_check);
1da177e4 LT	364	EXPORT_SYMBOL(com20020_found);
dd0a251c	365	EXPORT_SYMBOL(com20020_netdev_ops);
ace48ffb	366	#endif
1da177e4 LT	367
	368	MODULE_LICENSE("GPL");
	369
ace48ffb RD	370	#ifdef MODULE
ace48ffb RD	371
0ebd1c1d	372	static int __init com20020_module_init(void)
1da177e4 LT	373	{
	374	BUGLVL(D_NORMAL) printk(VERSION);
	375	return 0;
	376	}
	377
0ebd1c1d	378	static void __exit com20020_module_exit(void)
1da177e4 LT	379	{
1da177e4 LT	380	}
0ebd1c1d JS	381	module_init(com20020_module_init);
0ebd1c1d JS	382	module_exit(com20020_module_exit);
1da177e4	383	#endif /* MODULE */