| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | /*
 | 
					
						
							|  |  |  |  * 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/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; | 
					
						
							| 
									
										
										
										
											2008-11-12 23:37:49 -08:00
										 |  |  | 	struct arcnet_local *lp = netdev_priv(dev); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							|  |  |  | 	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); | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2007-02-16 01:42:27 -08:00
										 |  |  | 	if (lp->clockm != 0) | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 	{ | 
					
						
							|  |  |  | 		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; | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2009-01-09 13:01:10 +00:00
										 |  |  | 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_multicast_list = com20020_set_mc_list, | 
					
						
							|  |  |  | }; | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | /* 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. */ | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2008-11-12 23:37:49 -08:00
										 |  |  | 	lp = netdev_priv(dev); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							|  |  |  | 	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 */ | 
					
						
							| 
									
										
										
										
											2009-11-18 23:29:17 -08:00
										 |  |  | 	if (request_irq(dev->irq, arcnet_interrupt, shared, | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 			"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) | 
					
						
							|  |  |  | { | 
					
						
							| 
									
										
										
										
											2008-11-12 23:37:49 -08:00
										 |  |  | 	struct arcnet_local *lp = netdev_priv(dev); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 	u_int ioaddr = dev->base_addr; | 
					
						
							|  |  |  | 	u_char inbyte; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	BUGMSG(D_DEBUG, "%s: %d: %s: dev: %p, lp: %p, dev->name: %s\n", | 
					
						
							| 
									
										
										
										
											2008-08-20 16:52:04 -07:00
										 |  |  | 		__FILE__,__LINE__,__func__,dev,lp,dev->name); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 	BUGMSG(D_INIT, "Resetting %s (status=%02Xh)\n", | 
					
						
							|  |  |  | 	       dev->name, ASTATUS()); | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2008-08-20 16:52:04 -07:00
										 |  |  | 	BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__func__); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 	lp->config = TXENcfg | (lp->timeout << 3) | (lp->backplane << 2); | 
					
						
							|  |  |  | 	/* power-up defaults */ | 
					
						
							|  |  |  | 	SETCONF; | 
					
						
							| 
									
										
										
										
											2008-08-20 16:52:04 -07:00
										 |  |  | 	BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__func__); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							|  |  |  | 	if (really_reset) { | 
					
						
							|  |  |  | 		/* reset the card */ | 
					
						
							|  |  |  | 		ARCRESET; | 
					
						
							|  |  |  | 		mdelay(RESETtime * 2);	/* COM20020 seems to be slower sometimes */ | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 	/* clear flags & end reset */ | 
					
						
							| 
									
										
										
										
											2008-08-20 16:52:04 -07:00
										 |  |  | 	BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__func__); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 	ACOMMAND(CFLAGScmd | RESETclear | CONFIGclear); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/* verify that the ARCnet signature byte is present */ | 
					
						
							| 
									
										
										
										
											2008-08-20 16:52:04 -07:00
										 |  |  | 	BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__func__); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							|  |  |  | 	com20020_copy_from_card(dev, 0, 0, &inbyte, 1); | 
					
						
							| 
									
										
										
										
											2008-08-20 16:52:04 -07:00
										 |  |  | 	BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__func__); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 	if (inbyte != TESTvalue) { | 
					
						
							| 
									
										
										
										
											2008-08-20 16:52:04 -07:00
										 |  |  | 		BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__func__); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 		BUGMSG(D_NORMAL, "reset failed: TESTvalue not present.\n"); | 
					
						
							|  |  |  | 		return 1; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 	/* enable extended (512-byte) packets */ | 
					
						
							|  |  |  | 	ACOMMAND(CONFIGcmd | EXTconf); | 
					
						
							| 
									
										
										
										
											2008-08-20 16:52:04 -07:00
										 |  |  | 	BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__func__); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							|  |  |  | 	/* 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) | 
					
						
							|  |  |  | { | 
					
						
							| 
									
										
										
										
											2008-11-12 23:37:49 -08:00
										 |  |  | 	struct arcnet_local *lp = netdev_priv(dev); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 	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) | 
					
						
							|  |  |  | { | 
					
						
							| 
									
										
										
										
											2008-11-12 23:37:49 -08:00
										 |  |  | 	struct arcnet_local *lp = netdev_priv(dev); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 	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); | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2006-11-08 19:51:03 -08:00
										 |  |  | #if defined(CONFIG_ARCNET_COM20020_PCI_MODULE) || \
 | 
					
						
							| 
									
										
										
										
											2007-02-12 00:52:22 -08:00
										 |  |  |     defined(CONFIG_ARCNET_COM20020_ISA_MODULE) || \ | 
					
						
							|  |  |  |     defined(CONFIG_ARCNET_COM20020_CS_MODULE) | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | EXPORT_SYMBOL(com20020_check); | 
					
						
							|  |  |  | EXPORT_SYMBOL(com20020_found); | 
					
						
							| 
									
										
										
										
											2009-01-25 21:17:25 -08:00
										 |  |  | EXPORT_SYMBOL(com20020_netdev_ops); | 
					
						
							| 
									
										
										
										
											2006-11-08 19:51:03 -08:00
										 |  |  | #endif
 | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | 
 | 
					
						
							|  |  |  | MODULE_LICENSE("GPL"); | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2006-11-08 19:51:03 -08:00
										 |  |  | #ifdef MODULE
 | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2008-02-28 01:31:08 -06:00
										 |  |  | static int __init com20020_module_init(void) | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | { | 
					
						
							|  |  |  | 	BUGLVL(D_NORMAL) printk(VERSION); | 
					
						
							|  |  |  | 	return 0; | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2008-02-28 01:31:08 -06:00
										 |  |  | static void __exit com20020_module_exit(void) | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | { | 
					
						
							|  |  |  | } | 
					
						
							| 
									
										
										
										
											2008-02-28 01:31:08 -06:00
										 |  |  | module_init(com20020_module_init); | 
					
						
							|  |  |  | module_exit(com20020_module_exit); | 
					
						
							| 
									
										
										
										
											2005-04-16 15:20:36 -07:00
										 |  |  | #endif				/* MODULE */
 |