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[/] [test_project/] [trunk/] [linux_sd_driver/] [drivers/] [net/] [arcnet/] [com20020.c] - Blame information for rev 62

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/*
 * 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/slab.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;
        struct arcnet_local *lp = dev->priv;
 
        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;
}
 
/* 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 = dev->priv;
 
        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;
 
        dev->set_multicast_list = com20020_set_mc_list;
 
        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 = dev->priv;
        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__,__FUNCTION__,dev,lp,dev->name);
        BUGMSG(D_INIT, "Resetting %s (status=%02Xh)\n",
               dev->name, ASTATUS());
 
        BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__FUNCTION__);
        lp->config = TXENcfg | (lp->timeout << 3) | (lp->backplane << 2);
        /* power-up defaults */
        SETCONF;
        BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__FUNCTION__);
 
        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__,__FUNCTION__);
        ACOMMAND(CFLAGScmd | RESETclear | CONFIGclear);
 
        /* verify that the ARCnet signature byte is present */
        BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__FUNCTION__);
 
        com20020_copy_from_card(dev, 0, 0, &inbyte, 1);
        BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__FUNCTION__);
        if (inbyte != TESTvalue) {
                BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__FUNCTION__);
                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__,__FUNCTION__);
 
        /* 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 = dev->priv;
        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 = dev->priv;
        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);
#endif
 
MODULE_LICENSE("GPL");
 
#ifdef MODULE
 
int init_module(void)
{
        BUGLVL(D_NORMAL) printk(VERSION);
        return 0;
}
 
void cleanup_module(void)
{
}
 
#endif                          /* MODULE */

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[/] [test_project/] [trunk/] [linux_sd_driver/] [drivers/] [net/] [arcnet/] [com20020.c] - Blame information for rev 62

Line No.	Rev	Author	Line
1	62	marcus.erl	`/*`
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>`
32			`#include <linux/slab.h>`
33			`#include <linux/errno.h>`
34			`#include <linux/delay.h>`
35			`#include <linux/netdevice.h>`
36			`#include <linux/init.h>`
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;`
92			`struct arcnet_local *lp = dev->priv;`
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
107			`if (lp->clockm != 0)`
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
152			`/* Set up the struct net_device associated with this card. Called after`
153			`* probing succeeds.`
154			`*/`
155			`int com20020_found(struct net_device *dev, int shared)`
156			`{`
157			`struct arcnet_local *lp;`
158			`int ioaddr = dev->base_addr;`
159
160			`/* Initialize the rest of the device structure. */`
161
162			`lp = dev->priv;`
163
164			`lp->hw.owner = THIS_MODULE;`
165			`lp->hw.command = com20020_command;`
166			`lp->hw.status = com20020_status;`
167			`lp->hw.intmask = com20020_setmask;`
168			`lp->hw.reset = com20020_reset;`
169			`lp->hw.copy_to_card = com20020_copy_to_card;`
170			`lp->hw.copy_from_card = com20020_copy_from_card;`
171			`lp->hw.close = com20020_close;`
172
173			`dev->set_multicast_list = com20020_set_mc_list;`
174
175			`if (!dev->dev_addr[0])`
176			`dev->dev_addr[0] = inb(ioaddr + BUS_ALIGN8); / FIXME: do this some other way! */`
177
178			`SET_SUBADR(SUB_SETUP1);`
179			`outb(lp->setup, _XREG);`
180
181			`if (lp->card_flags & ARC_CAN_10MBIT)`
182			`{`
183			`SET_SUBADR(SUB_SETUP2);`
184			`outb(lp->setup2, _XREG);`
185
186			`/* must now write the magic "restart operation" command */`
187			`mdelay(1);`
188			`outb(0x18, _COMMAND);`
189			`}`
190
191			`lp->config = 0x20 \| (lp->timeout << 3) \| (lp->backplane << 2) \| 1;`
192			`/* Default 0x38 + register: Node ID */`
193			`SETCONF;`
194			`outb(dev->dev_addr[0], _XREG);`
195
196			`/* reserve the irq */`
197			`if (request_irq(dev->irq, &arcnet_interrupt, shared,`
198			`"arcnet (COM20020)", dev)) {`
199			`BUGMSG(D_NORMAL, "Can't get IRQ %d!\n", dev->irq);`
200			`return -ENODEV;`
201			`}`
202
203			`dev->base_addr = ioaddr;`
204
205			`BUGMSG(D_NORMAL, "%s: station %02Xh found at %03lXh, IRQ %d.\n",`
206			`lp->card_name, dev->dev_addr[0], dev->base_addr, dev->irq);`
207
208			`if (lp->backplane)`
209			`BUGMSG(D_NORMAL, "Using backplane mode.\n");`
210
211			`if (lp->timeout != 3)`
212			`BUGMSG(D_NORMAL, "Using extended timeout value of %d.\n", lp->timeout);`
213
214			`BUGMSG(D_NORMAL, "Using CKP %d - data rate %s.\n",`
215			`lp->setup >> 1,`
216			`clockrates[3 - ((lp->setup2 & 0xF0) >> 4) + ((lp->setup & 0x0F) >> 1)]);`
217
218			`if (register_netdev(dev)) {`
219			`free_irq(dev->irq, dev);`
220			`return -EIO;`
221			`}`
222			`return 0;`
223			`}`
224
225
226			`/*`
227			`* Do a hardware reset on the card, and set up necessary registers.`
228			`*`
229			`* This should be called as little as possible, because it disrupts the`
230			`* token on the network (causes a RECON) and requires a significant delay.`
231			`*`
232			`* However, it does make sure the card is in a defined state.`
233			`*/`
234			`static int com20020_reset(struct net_device *dev, int really_reset)`
235			`{`
236			`struct arcnet_local *lp = dev->priv;`
237			`u_int ioaddr = dev->base_addr;`
238			`u_char inbyte;`
239
240			`BUGMSG(D_DEBUG, "%s: %d: %s: dev: %p, lp: %p, dev->name: %s\n",`
241			`__FILE__,__LINE__,__FUNCTION__,dev,lp,dev->name);`
242			`BUGMSG(D_INIT, "Resetting %s (status=%02Xh)\n",`
243			`dev->name, ASTATUS());`
244
245			`BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__FUNCTION__);`
246			`lp->config = TXENcfg \| (lp->timeout << 3) \| (lp->backplane << 2);`
247			`/* power-up defaults */`
248			`SETCONF;`
249			`BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__FUNCTION__);`
250
251			`if (really_reset) {`
252			`/* reset the card */`
253			`ARCRESET;`
254			`mdelay(RESETtime * 2); /* COM20020 seems to be slower sometimes */`
255			`}`
256			`/* clear flags & end reset */`
257			`BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__FUNCTION__);`
258			`ACOMMAND(CFLAGScmd \| RESETclear \| CONFIGclear);`
259
260			`/* verify that the ARCnet signature byte is present */`
261			`BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__FUNCTION__);`
262
263			`com20020_copy_from_card(dev, 0, 0, &inbyte, 1);`
264			`BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__FUNCTION__);`
265			`if (inbyte != TESTvalue) {`
266			`BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__FUNCTION__);`
267			`BUGMSG(D_NORMAL, "reset failed: TESTvalue not present.\n");`
268			`return 1;`
269			`}`
270			`/* enable extended (512-byte) packets */`
271			`ACOMMAND(CONFIGcmd \| EXTconf);`
272			`BUGMSG(D_DEBUG, "%s: %d: %s\n",__FILE__,__LINE__,__FUNCTION__);`
273
274			`/* done! return success. */`
275			`return 0;`
276			`}`
277
278
279			`static void com20020_setmask(struct net_device *dev, int mask)`
280			`{`
281			`u_int ioaddr = dev->base_addr;`
282			`BUGMSG(D_DURING, "Setting mask to %x at %x\n",mask,ioaddr);`
283			`AINTMASK(mask);`
284			`}`
285
286
287			`static void com20020_command(struct net_device *dev, int cmd)`
288			`{`
289			`u_int ioaddr = dev->base_addr;`
290			`ACOMMAND(cmd);`
291			`}`
292
293
294			`static int com20020_status(struct net_device *dev)`
295			`{`
296			`u_int ioaddr = dev->base_addr;`
297
298			`return ASTATUS() + (ADIAGSTATUS()<<8);`
299			`}`
300
301			`static void com20020_close(struct net_device *dev)`
302			`{`
303			`struct arcnet_local *lp = dev->priv;`
304			`int ioaddr = dev->base_addr;`
305
306			`/* disable transmitter */`
307			`lp->config &= ~TXENcfg;`
308			`SETCONF;`
309			`}`
310
311			`/* Set or clear the multicast filter for this adaptor.`
312			`* num_addrs == -1 Promiscuous mode, receive all packets`
313			`* num_addrs == 0 Normal mode, clear multicast list`
314			`* num_addrs > 0 Multicast mode, receive normal and MC packets, and do`
315			`* best-effort filtering.`
316			`* FIXME - do multicast stuff, not just promiscuous.`
317			`*/`
318			`static void com20020_set_mc_list(struct net_device *dev)`
319			`{`
320			`struct arcnet_local *lp = dev->priv;`
321			`int ioaddr = dev->base_addr;`
322
323			`if ((dev->flags & IFF_PROMISC) && (dev->flags & IFF_UP)) { /* Enable promiscuous mode */`
324			`if (!(lp->setup & PROMISCset))`
325			`BUGMSG(D_NORMAL, "Setting promiscuous flag...\n");`
326			`SET_SUBADR(SUB_SETUP1);`
327			`lp->setup \|= PROMISCset;`
328			`outb(lp->setup, _XREG);`
329			`} else`
330			`/* Disable promiscuous mode, use normal mode */`
331			`{`
332			`if ((lp->setup & PROMISCset))`
333			`BUGMSG(D_NORMAL, "Resetting promiscuous flag...\n");`
334			`SET_SUBADR(SUB_SETUP1);`
335			`lp->setup &= ~PROMISCset;`
336			`outb(lp->setup, _XREG);`
337			`}`
338			`}`
339
340			`#if defined(CONFIG_ARCNET_COM20020_PCI_MODULE) \|\| \`
341			`defined(CONFIG_ARCNET_COM20020_ISA_MODULE) \|\| \`
342			`defined(CONFIG_ARCNET_COM20020_CS_MODULE)`
343			`EXPORT_SYMBOL(com20020_check);`
344			`EXPORT_SYMBOL(com20020_found);`
345			`#endif`
346
347			`MODULE_LICENSE("GPL");`
348
349			`#ifdef MODULE`
350
351			`int init_module(void)`
352			`{`
353			`BUGLVL(D_NORMAL) printk(VERSION);`
354			`return 0;`
355			`}`
356
357			`void cleanup_module(void)`
358			`{`
359			`}`
360
361			`#endif /* MODULE */`