2005-04-16 15:20:36 -07:00
										 
									 
								 
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								/*
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								 * Linux ARCnet driver - COM20020 chipset support
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								 * 
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								 * Written 1997 by David Woodhouse.
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								 * Written 1994-1999 by Avery Pennarun.
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								 * Written 1999 by Martin Mares <mj@ucw.cz>.
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								 * Derived from skeleton.c by Donald Becker.
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								 *
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								 * Special thanks to Contemporary Controls, Inc. (www.ccontrols.com)
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								 *  for sponsoring the further development of this driver.
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								 *
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								 * **********************
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								 *
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								 * The original copyright of skeleton.c was as follows:
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								 *
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								 * skeleton.c Written 1993 by Donald Becker.
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								 * Copyright 1993 United States Government as represented by the
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								 * Director, National Security Agency.  This software may only be used
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								 * and distributed according to the terms of the GNU General Public License as
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								 * modified by SRC, incorporated herein by reference.
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								 *
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								 * **********************
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								 *
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								 * For more details, see drivers/net/arcnet.c
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								 *
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								 * **********************
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								 */
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								#include <linux/module.h>
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								#include <linux/kernel.h>
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								#include <linux/types.h>
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								#include <linux/ioport.h>
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								#include <linux/errno.h>
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								#include <linux/delay.h>
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								#include <linux/netdevice.h>
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								#include <linux/init.h>
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											2011-06-06 10:43:46 +00:00
										 
									 
								 
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								#include <linux/interrupt.h>
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											2005-04-16 15:20:36 -07:00
										 
									 
								 
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								#include <linux/arcdevice.h>
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								#include <linux/com20020.h>
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								#include <asm/io.h>
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								#define VERSION "arcnet: COM20020 chipset support (by David Woodhouse et al.)\n"
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								static char *clockrates[] =
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								{"10 Mb/s", "Reserved", "5 Mb/s",
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								 "2.5 Mb/s", "1.25Mb/s", "625 Kb/s", "312.5 Kb/s",
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								 "156.25 Kb/s", "Reserved", "Reserved", "Reserved"};
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								static void com20020_command(struct net_device *dev, int command);
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								static int com20020_status(struct net_device *dev);
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								static void com20020_setmask(struct net_device *dev, int mask);
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								static int com20020_reset(struct net_device *dev, int really_reset);
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								static void com20020_copy_to_card(struct net_device *dev, int bufnum,
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												  int offset, void *buf, int count);
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								static void com20020_copy_from_card(struct net_device *dev, int bufnum,
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												    int offset, void *buf, int count);
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								static void com20020_set_mc_list(struct net_device *dev);
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								static void com20020_close(struct net_device *);
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								static void com20020_copy_from_card(struct net_device *dev, int bufnum,
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												    int offset, void *buf, int count)
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								{
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									int ioaddr = dev->base_addr, ofs = 512 * bufnum + offset;
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									/* set up the address register */
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									outb((ofs >> 8) | RDDATAflag | AUTOINCflag, _ADDR_HI);
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									outb(ofs & 0xff, _ADDR_LO);
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									/* copy the data */
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									TIME("insb", count, insb(_MEMDATA, buf, count));
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								}
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								static void com20020_copy_to_card(struct net_device *dev, int bufnum,
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												  int offset, void *buf, int count)
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								{
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									int ioaddr = dev->base_addr, ofs = 512 * bufnum + offset;
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									/* set up the address register */
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									outb((ofs >> 8) | AUTOINCflag, _ADDR_HI);
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									outb(ofs & 0xff, _ADDR_LO);
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									/* copy the data */
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									TIME("outsb", count, outsb(_MEMDATA, buf, count));
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								}
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								/* Reset the card and check some basic stuff during the detection stage. */
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								int com20020_check(struct net_device *dev)
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								{
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									int ioaddr = dev->base_addr, status;
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											2008-11-12 23:37:49 -08:00
										 
									 
								 
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									struct arcnet_local *lp = netdev_priv(dev);
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											2005-04-16 15:20:36 -07:00
										 
									 
								 
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									ARCRESET0;
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									mdelay(RESETtime);
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									lp->setup = lp->clockm ? 0 : (lp->clockp << 1);
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									lp->setup2 = (lp->clockm << 4) | 8;
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									/* CHECK: should we do this for SOHARD cards ? */
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									/* Enable P1Mode for backplane mode */
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									lp->setup = lp->setup | P1MODE;
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									SET_SUBADR(SUB_SETUP1);
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									outb(lp->setup, _XREG);
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											2007-02-16 01:42:27 -08:00
										 
									 
								 
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									if (lp->clockm != 0)
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											2005-04-16 15:20:36 -07:00
										 
									 
								 
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									{
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										SET_SUBADR(SUB_SETUP2);
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										outb(lp->setup2, _XREG);
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										/* must now write the magic "restart operation" command */
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										mdelay(1);
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										outb(0x18, _COMMAND);
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									}
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									lp->config = 0x21 | (lp->timeout << 3) | (lp->backplane << 2);
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									/* set node ID to 0x42 (but transmitter is disabled, so it's okay) */
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									SETCONF;
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									outb(0x42, ioaddr + BUS_ALIGN*7);
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									status = ASTATUS();
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									if ((status & 0x99) != (NORXflag | TXFREEflag | RESETflag)) {
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										BUGMSG(D_NORMAL, "status invalid (%Xh).\n", status);
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										return -ENODEV;
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									}
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									BUGMSG(D_INIT_REASONS, "status after reset: %X\n", status);
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									/* Enable TX */
							 | 
						
					
						
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									outb(0x39, _CONFIG);
							 | 
						
					
						
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									outb(inb(ioaddr + BUS_ALIGN*8), ioaddr + BUS_ALIGN*7);
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									ACOMMAND(CFLAGScmd | RESETclear | CONFIGclear);
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									status = ASTATUS();
							 | 
						
					
						
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									BUGMSG(D_INIT_REASONS, "status after reset acknowledged: %X\n",
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									       status);
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									/* Read first location of memory */
							 | 
						
					
						
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									outb(0 | RDDATAflag | AUTOINCflag, _ADDR_HI);
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							 | 
							
							
									outb(0, _ADDR_LO);
							 | 
						
					
						
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									if ((status = inb(_MEMDATA)) != TESTvalue) {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										BUGMSG(D_NORMAL, "Signature byte not found (%02Xh != D1h).\n",
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
										       status);
							 | 
						
					
						
							| 
								
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							 | 
							
								
							 | 
							
							
										return -ENODEV;
							 | 
						
					
						
							| 
								
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							 | 
							
								
							 | 
							
							
									}
							 | 
						
					
						
							| 
								
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							 | 
							
								
							 | 
							
							
									return 0;
							 | 
						
					
						
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								}
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											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,
							 | 
						
					
						
							
								
									
										
										
										
											2011-08-16 06:29:01 +00:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
							
									.ndo_set_rx_mode = com20020_set_mc_list,
							 | 
						
					
						
							
								
									
										
										
										
											2009-01-09 13:01:10 +00:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
							
								};
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							
								
									
										
										
										
											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);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								}
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
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							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								static int com20020_status(struct net_device *dev)
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								{
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
									u_int ioaddr = dev->base_addr;
							 | 
						
					
						
							| 
								
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							 | 
						
					
						
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							 | 
							
							
									return ASTATUS() + (ADIAGSTATUS()<<8);
							 | 
						
					
						
							| 
								
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							 | 
							
								
							 | 
							
							
								}
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							| 
								
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							 | 
						
					
						
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							 | 
							
								
							 | 
							
								
							 | 
							
							
								static void com20020_close(struct net_device *dev)
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								{
							 | 
						
					
						
							
								
									
										
										
										
											2008-11-12 23:37:49 -08:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
							
									struct arcnet_local *lp = netdev_priv(dev);
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											2005-04-16 15:20:36 -07:00
										 
									 
								 
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							 | 
							
							
									int ioaddr = dev->base_addr;
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									/* disable transmitter */
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							 | 
							
							
									lp->config &= ~TXENcfg;
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							 | 
							
							
									SETCONF;
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								}
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							 | 
							
							
								/* Set or clear the multicast filter for this adaptor.
							 | 
						
					
						
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								 * num_addrs == -1    Promiscuous mode, receive all packets
							 | 
						
					
						
							| 
								
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							 | 
							
								
							 | 
							
							
								 * 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 */
							 |