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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [net/] [tokenring/] [tmsisa.c] - Blame information for rev 1765

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/*
 *  tmsisa.c: A generic network driver for TMS380-based ISA token ring cards.
 *
 *  Based on tmspci written 1999 by Adam Fritzler
 *
 *  Written 2000 by Jochen Friedrich
 *  Dedicated to my girlfriend Steffi Bopp
 *
 *  This software may be used and distributed according to the terms
 *  of the GNU General Public License, incorporated herein by reference.
 *
 *  This driver module supports the following cards:
 *      - SysKonnect TR4/16(+) ISA      (SK-4190)
 *
 *  Maintainer(s):
 *    AF        Adam Fritzler           mid@auk.cx
 *    JF        Jochen Friedrich        jochen@scram.de
 *
 *  TODO:
 *      1. Add support for Proteon TR ISA adapters (1392, 1392+)
 */
static const char version[] = "tmsisa.c: v1.00 14/01/2001 by Jochen Friedrich\n";
 
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/errno.h>
#include <linux/pci.h>
#include <linux/init.h>
 
#include <asm/system.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/pci.h>
#include <asm/dma.h>
 
#include <linux/netdevice.h>
#include <linux/trdevice.h>
#include "tms380tr.h"
 
#define TMS_ISA_IO_EXTENT 32
 
/* A zero-terminated list of I/O addresses to be probed. */
static unsigned int portlist[] __initdata = {
        0x0A20, 0x1A20, 0x0B20, 0x1B20, 0x0980, 0x1980, 0x0900, 0x1900,// SK
 
};
 
/* A zero-terminated list of IRQs to be probed.
 * Used again after initial probe for sktr_chipset_init, called from sktr_open.
 */
static unsigned short irqlist[] = {
        3, 5, 9, 10, 11, 12, 15,
 
};
 
/* A zero-terminated list of DMAs to be probed. */
static int dmalist[] __initdata = {
        5, 6, 7,
 
};
 
static char isa_cardname[] = "SK NET TR 4/16 ISA\0";
 
int tms_isa_probe(struct net_device *dev);
static int tms_isa_open(struct net_device *dev);
static int tms_isa_close(struct net_device *dev);
static void tms_isa_read_eeprom(struct net_device *dev);
static unsigned short tms_isa_setnselout_pins(struct net_device *dev);
 
static unsigned short tms_isa_sifreadb(struct net_device *dev, unsigned short reg)
{
        return inb(dev->base_addr + reg);
}
 
static unsigned short tms_isa_sifreadw(struct net_device *dev, unsigned short reg)
{
        return inw(dev->base_addr + reg);
}
 
static void tms_isa_sifwriteb(struct net_device *dev, unsigned short val, unsigned short reg)
{
        outb(val, dev->base_addr + reg);
}
 
static void tms_isa_sifwritew(struct net_device *dev, unsigned short val, unsigned short reg)
{
        outw(val, dev->base_addr + reg);
}
 
struct tms_isa_card {
        struct net_device *dev;
        struct tms_isa_card *next;
};
 
static struct tms_isa_card *tms_isa_card_list;
 
static int __init tms_isa_probe1(int ioaddr)
{
        unsigned char old, chk1, chk2;
 
        old = inb(ioaddr + SIFADR);     /* Get the old SIFADR value */
 
        chk1 = 0;        /* Begin with check value 0 */
        do {
                /* Write new SIFADR value */
                outb(chk1, ioaddr + SIFADR);
 
                /* Read, invert and write */
                chk2 = inb(ioaddr + SIFADD);
                chk2 ^= 0x0FE;
                outb(chk2, ioaddr + SIFADR);
 
                /* Read, invert and compare */
                chk2 = inb(ioaddr + SIFADD);
                chk2 ^= 0x0FE;
 
                if(chk1 != chk2)
                        return (-1);    /* No adapter */
 
                chk1 -= 2;
        } while(chk1 != 0);      /* Repeat 128 times (all byte values) */
 
        /* Restore the SIFADR value */
        outb(old, ioaddr + SIFADR);
 
        return (0);
}
 
int __init tms_isa_probe(struct net_device *dev)
{
        static int versionprinted;
        struct net_local *tp;
        int j;
        struct tms_isa_card *card;
 
        if(check_region(dev->base_addr, TMS_ISA_IO_EXTENT))
                return -1;
 
        if(tms_isa_probe1(dev->base_addr))
                return -1;
 
        if (versionprinted++ == 0)
                printk("%s", version);
 
        /* At this point we have found a valid card. */
 
        if (!request_region(dev->base_addr, TMS_ISA_IO_EXTENT, isa_cardname))
                return -1;
 
        if (tmsdev_init(dev, ISA_MAX_ADDRESS, NULL))
        {
                release_region(dev->base_addr, TMS_ISA_IO_EXTENT);
                return -1;
        }
 
        dev->base_addr &= ~3;
 
        tms_isa_read_eeprom(dev);
 
        printk("%s:    Ring Station Address: ", dev->name);
        printk("%2.2x", dev->dev_addr[0]);
        for (j = 1; j < 6; j++)
                printk(":%2.2x", dev->dev_addr[j]);
        printk("\n");
 
        tp = (struct net_local *)dev->priv;
        tp->setnselout = tms_isa_setnselout_pins;
 
        tp->sifreadb = tms_isa_sifreadb;
        tp->sifreadw = tms_isa_sifreadw;
        tp->sifwriteb = tms_isa_sifwriteb;
        tp->sifwritew = tms_isa_sifwritew;
 
        memcpy(tp->ProductID, isa_cardname, PROD_ID_SIZE + 1);
 
        tp->tmspriv = NULL;
 
        dev->open = tms_isa_open;
        dev->stop = tms_isa_close;
 
        if (dev->irq == 0)
        {
                for(j = 0; irqlist[j] != 0; j++)
                {
                        dev->irq = irqlist[j];
                        if (!request_irq(dev->irq, tms380tr_interrupt, 0,
                                isa_cardname, dev))
                                break;
                }
 
                if(irqlist[j] == 0)
                {
                        printk("%s: AutoSelect no IRQ available\n", dev->name);
                        release_region(dev->base_addr, TMS_ISA_IO_EXTENT);
                        tmsdev_term(dev);
                        return -1;
                }
        }
        else
        {
                for(j = 0; irqlist[j] != 0; j++)
                        if (irqlist[j] == dev->irq)
                                break;
                if (irqlist[j] == 0)
                {
                        printk("%s: Illegal IRQ %d specified\n",
                                dev->name, dev->irq);
                        release_region(dev->base_addr, TMS_ISA_IO_EXTENT);
                        tmsdev_term(dev);
                        return -1;
                }
                if (request_irq(dev->irq, tms380tr_interrupt, 0,
                        isa_cardname, dev))
                {
                        printk("%s: Selected IRQ %d not available\n",
                                dev->name, dev->irq);
                        release_region(dev->base_addr, TMS_ISA_IO_EXTENT);
                        tmsdev_term(dev);
                        return -1;
                }
        }
 
        if (dev->dma == 0)
        {
                for(j = 0; dmalist[j] != 0; j++)
                {
                        dev->dma = dmalist[j];
                        if (!request_dma(dev->dma, isa_cardname))
                                break;
                }
 
                if(dmalist[j] == 0)
                {
                        printk("%s: AutoSelect no DMA available\n", dev->name);
                        release_region(dev->base_addr, TMS_ISA_IO_EXTENT);
                        free_irq(dev->irq, dev);
                        tmsdev_term(dev);
                        return -1;
                }
        }
        else
        {
                for(j = 0; dmalist[j] != 0; j++)
                        if (dmalist[j] == dev->dma)
                                break;
                if (dmalist[j] == 0)
                {
                        printk("%s: Illegal DMA %d specified\n",
                                dev->name, dev->dma);
                        release_region(dev->base_addr, TMS_ISA_IO_EXTENT);
                        free_irq(dev->irq, dev);
                        tmsdev_term(dev);
                        return -1;
                }
                if (request_dma(dev->dma, isa_cardname))
                {
                        printk("%s: Selected DMA %d not available\n",
                                dev->name, dev->dma);
                        release_region(dev->base_addr, TMS_ISA_IO_EXTENT);
                        free_irq(dev->irq, dev);
                        tmsdev_term(dev);
                        return -1;
                }
        }
 
        printk("%s:    IO: %#4lx  IRQ: %d  DMA: %d\n",
               dev->name, dev->base_addr, dev->irq, dev->dma);
 
        if (register_trdev(dev) == 0)
        {
                /* Enlist in the card list */
                card = kmalloc(sizeof(struct tms_isa_card), GFP_KERNEL);
                if (!card) {
                        unregister_trdev(dev);
                        release_region(dev->base_addr, TMS_ISA_IO_EXTENT);
                        free_irq(dev->irq, dev);
                        free_dma(dev->dma);
                        tmsdev_term(dev);
                        return -1;
                }
                card->next = tms_isa_card_list;
                tms_isa_card_list = card;
                card->dev = dev;
        }
        else
        {
                printk("%s: register_trdev() returned non-zero.\n", dev->name);
                release_region(dev->base_addr, TMS_ISA_IO_EXTENT);
                free_irq(dev->irq, dev);
                free_dma(dev->dma);
                tmsdev_term(dev);
                return -1;
        }
 
        return 0;
}
 
/*
 * Reads MAC address from adapter RAM, which should've read it from
 * the onboard ROM.
 *
 * Calling this on a board that does not support it can be a very
 * dangerous thing.  The Madge board, for instance, will lock your
 * machine hard when this is called.  Luckily, its supported in a
 * seperate driver.  --ASF
 */
static void tms_isa_read_eeprom(struct net_device *dev)
{
        int i;
 
        /* Address: 0000:0000 */
        tms_isa_sifwritew(dev, 0, SIFADX);
        tms_isa_sifwritew(dev, 0, SIFADR);
 
        /* Read six byte MAC address data */
        dev->addr_len = 6;
        for(i = 0; i < 6; i++)
                dev->dev_addr[i] = tms_isa_sifreadw(dev, SIFINC) >> 8;
}
 
unsigned short tms_isa_setnselout_pins(struct net_device *dev)
{
        return 0;
}
 
static int tms_isa_open(struct net_device *dev)
{
        struct net_local *tp = (struct net_local *)dev->priv;
        unsigned short val = 0;
        unsigned short oldval;
        int i;
 
        val = 0;
        for(i = 0; irqlist[i] != 0; i++)
        {
                if(irqlist[i] == dev->irq)
                        break;
        }
 
        val |= CYCLE_TIME << 2;
        val |= i << 4;
        i = dev->dma - 5;
        val |= i;
        if(tp->DataRate == SPEED_4)
                val |= LINE_SPEED_BIT;
        else
                val &= ~LINE_SPEED_BIT;
        oldval = tms_isa_sifreadb(dev, POSREG);
        /* Leave cycle bits alone */
        oldval |= 0xf3;
        val &= oldval;
        tms_isa_sifwriteb(dev, val, POSREG);
 
        tms380tr_open(dev);
        MOD_INC_USE_COUNT;
        return 0;
}
 
static int tms_isa_close(struct net_device *dev)
{
        tms380tr_close(dev);
        MOD_DEC_USE_COUNT;
        return 0;
}
 
#ifdef MODULE
 
#define ISATR_MAX_ADAPTERS 3
 
static int io[ISATR_MAX_ADAPTERS];
static int irq[ISATR_MAX_ADAPTERS];
static int dma[ISATR_MAX_ADAPTERS];
 
MODULE_LICENSE("GPL");
 
MODULE_PARM(io, "1-" __MODULE_STRING(ISATR_MAX_ADAPTERS) "i");
MODULE_PARM(irq, "1-" __MODULE_STRING(ISATR_MAX_ADAPTERS) "i");
MODULE_PARM(dma, "1-" __MODULE_STRING(ISATR_MAX_ADAPTERS) "i");
 
int init_module(void)
{
        int i, num;
        struct net_device *dev;
 
        num = 0;
        if (io[0])
        { /* Only probe addresses from command line */
                for (i = 0; i < ISATR_MAX_ADAPTERS; i++)
                {
                        if (io[i] == 0)
                                continue;
 
                        dev = init_trdev(NULL, 0);
                        if (!dev)
                                return (-ENOMEM);
 
                        dev->base_addr = io[i];
                        dev->irq       = irq[i];
                        dev->dma       = dma[i];
 
                        if (tms_isa_probe(dev))
                        {
                                unregister_netdev(dev);
                                kfree(dev);
                        }
                        else
                                num++;
                }
        }
        else
        {
                for(i = 0; portlist[i]; i++)
                {
                        if (num >= ISATR_MAX_ADAPTERS)
                                continue;
 
                        dev = init_trdev(NULL, 0);
                        if (!dev)
                                return (-ENOMEM);
 
                        dev->base_addr = portlist[i];
                        dev->irq       = irq[num];
                        dev->dma       = dma[num];
 
                        if (tms_isa_probe(dev))
                        {
                                unregister_netdev(dev);
                                kfree(dev);
                        }
                        else
                                num++;
                }
        }
        printk(KERN_NOTICE "tmsisa.c: %d cards found.\n", num);
        /* Probe for cards. */
        if (num == 0) {
                printk(KERN_NOTICE "tmsisa.c: No cards found.\n");
        }
        return (0);
}
 
void cleanup_module(void)
{
        struct net_device *dev;
        struct tms_isa_card *this_card;
 
        while (tms_isa_card_list) {
                dev = tms_isa_card_list->dev;
 
                unregister_netdev(dev);
                release_region(dev->base_addr, TMS_ISA_IO_EXTENT);
                free_irq(dev->irq, dev);
                free_dma(dev->dma);
                tmsdev_term(dev);
                kfree(dev);
                this_card = tms_isa_card_list;
                tms_isa_card_list = this_card->next;
                kfree(this_card);
        }
}
#endif /* MODULE */
 
 
/*
 * Local variables:
 *  compile-command: "gcc -DMODVERSIONS  -DMODULE -D__KERNEL__ -Wall -Wstrict-prototypes -O6 -fomit-frame-pointer -I/usr/src/linux/drivers/net/tokenring/ -c tmsisa.c"
 *  alt-compile-command: "gcc -DMODULE -D__KERNEL__ -Wall -Wstrict-prototypes -O6 -fomit-frame-pointer -I/usr/src/linux/drivers/net/tokenring/ -c tmsisa.c"
 *  c-set-style "K&R"
 *  c-indent-level: 8
 *  c-basic-offset: 8
 *  tab-width: 8
 * End:
 */

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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [net/] [tokenring/] [tmsisa.c] - Blame information for rev 1765

Line No.	Rev	Author	Line
1	1275	phoenix	`/*`
2			`* tmsisa.c: A generic network driver for TMS380-based ISA token ring cards.`
3			`*`
4			`* Based on tmspci written 1999 by Adam Fritzler`
5			`*`
6			`* Written 2000 by Jochen Friedrich`
7			`* Dedicated to my girlfriend Steffi Bopp`
8			`*`
9			`* This software may be used and distributed according to the terms`
10			`* of the GNU General Public License, incorporated herein by reference.`
11			`*`
12			`* This driver module supports the following cards:`
13			`* - SysKonnect TR4/16(+) ISA (SK-4190)`
14			`*`
15			`* Maintainer(s):`
16			`* AF Adam Fritzler mid@auk.cx`
17			`* JF Jochen Friedrich jochen@scram.de`
18			`*`
19			`* TODO:`
20			`* 1. Add support for Proteon TR ISA adapters (1392, 1392+)`
21			`*/`
22			`static const char version[] = "tmsisa.c: v1.00 14/01/2001 by Jochen Friedrich\n";`
23
24			`#include <linux/module.h>`
25			`#include <linux/kernel.h>`
26			`#include <linux/sched.h>`
27			`#include <linux/errno.h>`
28			`#include <linux/pci.h>`
29			`#include <linux/init.h>`
30
31			`#include <asm/system.h>`
32			`#include <asm/io.h>`
33			`#include <asm/irq.h>`
34			`#include <asm/pci.h>`
35			`#include <asm/dma.h>`
36
37			`#include <linux/netdevice.h>`
38			`#include <linux/trdevice.h>`
39			`#include "tms380tr.h"`
40
41			`#define TMS_ISA_IO_EXTENT 32`
42
43			`/* A zero-terminated list of I/O addresses to be probed. */`
44			`static unsigned int portlist[] __initdata = {`
45			`0x0A20, 0x1A20, 0x0B20, 0x1B20, 0x0980, 0x1980, 0x0900, 0x1900,// SK`
46
47			`};`
48
49			`/* A zero-terminated list of IRQs to be probed.`
50			`* Used again after initial probe for sktr_chipset_init, called from sktr_open.`
51			`*/`
52			`static unsigned short irqlist[] = {`
53			`3, 5, 9, 10, 11, 12, 15,`
54
55			`};`
56
57			`/* A zero-terminated list of DMAs to be probed. */`
58			`static int dmalist[] __initdata = {`
59			`5, 6, 7,`
60
61			`};`
62
63			`static char isa_cardname[] = "SK NET TR 4/16 ISA\0";`
64
65			`int tms_isa_probe(struct net_device *dev);`
66			`static int tms_isa_open(struct net_device *dev);`
67			`static int tms_isa_close(struct net_device *dev);`
68			`static void tms_isa_read_eeprom(struct net_device *dev);`
69			`static unsigned short tms_isa_setnselout_pins(struct net_device *dev);`
70
71			`static unsigned short tms_isa_sifreadb(struct net_device *dev, unsigned short reg)`
72			`{`
73			`return inb(dev->base_addr + reg);`
74			`}`
75
76			`static unsigned short tms_isa_sifreadw(struct net_device *dev, unsigned short reg)`
77			`{`
78			`return inw(dev->base_addr + reg);`
79			`}`
80
81			`static void tms_isa_sifwriteb(struct net_device *dev, unsigned short val, unsigned short reg)`
82			`{`
83			`outb(val, dev->base_addr + reg);`
84			`}`
85
86			`static void tms_isa_sifwritew(struct net_device *dev, unsigned short val, unsigned short reg)`
87			`{`
88			`outw(val, dev->base_addr + reg);`
89			`}`
90
91			`struct tms_isa_card {`
92			`struct net_device *dev;`
93			`struct tms_isa_card *next;`
94			`};`
95
96			`static struct tms_isa_card *tms_isa_card_list;`
97
98			`static int __init tms_isa_probe1(int ioaddr)`
99			`{`
100			`unsigned char old, chk1, chk2;`
101
102			`old = inb(ioaddr + SIFADR); /* Get the old SIFADR value */`
103
104			`chk1 = 0; /* Begin with check value 0 */`
105			`do {`
106			`/* Write new SIFADR value */`
107			`outb(chk1, ioaddr + SIFADR);`
108
109			`/* Read, invert and write */`
110			`chk2 = inb(ioaddr + SIFADD);`
111			`chk2 ^= 0x0FE;`
112			`outb(chk2, ioaddr + SIFADR);`
113
114			`/* Read, invert and compare */`
115			`chk2 = inb(ioaddr + SIFADD);`
116			`chk2 ^= 0x0FE;`
117
118			`if(chk1 != chk2)`
119			`return (-1); /* No adapter */`
120
121			`chk1 -= 2;`
122			`} while(chk1 != 0); /* Repeat 128 times (all byte values) */`
123
124			`/* Restore the SIFADR value */`
125			`outb(old, ioaddr + SIFADR);`
126
127			`return (0);`
128			`}`
129
130			`int __init tms_isa_probe(struct net_device *dev)`
131			`{`
132			`static int versionprinted;`
133			`struct net_local *tp;`
134			`int j;`
135			`struct tms_isa_card *card;`
136
137			`if(check_region(dev->base_addr, TMS_ISA_IO_EXTENT))`
138			`return -1;`
139
140			`if(tms_isa_probe1(dev->base_addr))`
141			`return -1;`
142
143			`if (versionprinted++ == 0)`
144			`printk("%s", version);`
145
146			`/* At this point we have found a valid card. */`
147
148			`if (!request_region(dev->base_addr, TMS_ISA_IO_EXTENT, isa_cardname))`
149			`return -1;`
150
151			`if (tmsdev_init(dev, ISA_MAX_ADDRESS, NULL))`
152			`{`
153			`release_region(dev->base_addr, TMS_ISA_IO_EXTENT);`
154			`return -1;`
155			`}`
156
157			`dev->base_addr &= ~3;`
158
159			`tms_isa_read_eeprom(dev);`
160
161			`printk("%s: Ring Station Address: ", dev->name);`
162			`printk("%2.2x", dev->dev_addr[0]);`
163			`for (j = 1; j < 6; j++)`
164			`printk(":%2.2x", dev->dev_addr[j]);`
165			`printk("\n");`
166
167			`tp = (struct net_local *)dev->priv;`
168			`tp->setnselout = tms_isa_setnselout_pins;`
169
170			`tp->sifreadb = tms_isa_sifreadb;`
171			`tp->sifreadw = tms_isa_sifreadw;`
172			`tp->sifwriteb = tms_isa_sifwriteb;`
173			`tp->sifwritew = tms_isa_sifwritew;`
174
175			`memcpy(tp->ProductID, isa_cardname, PROD_ID_SIZE + 1);`
176
177			`tp->tmspriv = NULL;`
178
179			`dev->open = tms_isa_open;`
180			`dev->stop = tms_isa_close;`
181
182			`if (dev->irq == 0)`
183			`{`
184			`for(j = 0; irqlist[j] != 0; j++)`
185			`{`
186			`dev->irq = irqlist[j];`
187			`if (!request_irq(dev->irq, tms380tr_interrupt, 0,`
188			`isa_cardname, dev))`
189			`break;`
190			`}`
191
192			`if(irqlist[j] == 0)`
193			`{`
194			`printk("%s: AutoSelect no IRQ available\n", dev->name);`
195			`release_region(dev->base_addr, TMS_ISA_IO_EXTENT);`
196			`tmsdev_term(dev);`
197			`return -1;`
198			`}`
199			`}`
200			`else`
201			`{`
202			`for(j = 0; irqlist[j] != 0; j++)`
203			`if (irqlist[j] == dev->irq)`
204			`break;`
205			`if (irqlist[j] == 0)`
206			`{`
207			`printk("%s: Illegal IRQ %d specified\n",`
208			`dev->name, dev->irq);`
209			`release_region(dev->base_addr, TMS_ISA_IO_EXTENT);`
210			`tmsdev_term(dev);`
211			`return -1;`
212			`}`
213			`if (request_irq(dev->irq, tms380tr_interrupt, 0,`
214			`isa_cardname, dev))`
215			`{`
216			`printk("%s: Selected IRQ %d not available\n",`
217			`dev->name, dev->irq);`
218			`release_region(dev->base_addr, TMS_ISA_IO_EXTENT);`
219			`tmsdev_term(dev);`
220			`return -1;`
221			`}`
222			`}`
223
224			`if (dev->dma == 0)`
225			`{`
226			`for(j = 0; dmalist[j] != 0; j++)`
227			`{`
228			`dev->dma = dmalist[j];`
229			`if (!request_dma(dev->dma, isa_cardname))`
230			`break;`
231			`}`
232
233			`if(dmalist[j] == 0)`
234			`{`
235			`printk("%s: AutoSelect no DMA available\n", dev->name);`
236			`release_region(dev->base_addr, TMS_ISA_IO_EXTENT);`
237			`free_irq(dev->irq, dev);`
238			`tmsdev_term(dev);`
239			`return -1;`
240			`}`
241			`}`
242			`else`
243			`{`
244			`for(j = 0; dmalist[j] != 0; j++)`
245			`if (dmalist[j] == dev->dma)`
246			`break;`
247			`if (dmalist[j] == 0)`
248			`{`
249			`printk("%s: Illegal DMA %d specified\n",`
250			`dev->name, dev->dma);`
251			`release_region(dev->base_addr, TMS_ISA_IO_EXTENT);`
252			`free_irq(dev->irq, dev);`
253			`tmsdev_term(dev);`
254			`return -1;`
255			`}`
256			`if (request_dma(dev->dma, isa_cardname))`
257			`{`
258			`printk("%s: Selected DMA %d not available\n",`
259			`dev->name, dev->dma);`
260			`release_region(dev->base_addr, TMS_ISA_IO_EXTENT);`
261			`free_irq(dev->irq, dev);`
262			`tmsdev_term(dev);`
263			`return -1;`
264			`}`
265			`}`
266
267			`printk("%s: IO: %#4lx IRQ: %d DMA: %d\n",`
268			`dev->name, dev->base_addr, dev->irq, dev->dma);`
269
270			`if (register_trdev(dev) == 0)`
271			`{`
272			`/* Enlist in the card list */`
273			`card = kmalloc(sizeof(struct tms_isa_card), GFP_KERNEL);`
274			`if (!card) {`
275			`unregister_trdev(dev);`
276			`release_region(dev->base_addr, TMS_ISA_IO_EXTENT);`
277			`free_irq(dev->irq, dev);`
278			`free_dma(dev->dma);`
279			`tmsdev_term(dev);`
280			`return -1;`
281			`}`
282			`card->next = tms_isa_card_list;`
283			`tms_isa_card_list = card;`
284			`card->dev = dev;`
285			`}`
286			`else`
287			`{`
288			`printk("%s: register_trdev() returned non-zero.\n", dev->name);`
289			`release_region(dev->base_addr, TMS_ISA_IO_EXTENT);`
290			`free_irq(dev->irq, dev);`
291			`free_dma(dev->dma);`
292			`tmsdev_term(dev);`
293			`return -1;`
294			`}`
295
296			`return 0;`
297			`}`
298
299			`/*`
300			`* Reads MAC address from adapter RAM, which should've read it from`
301			`* the onboard ROM.`
302			`*`
303			`* Calling this on a board that does not support it can be a very`
304			`* dangerous thing. The Madge board, for instance, will lock your`
305			`* machine hard when this is called. Luckily, its supported in a`
306			`* seperate driver. --ASF`
307			`*/`
308			`static void tms_isa_read_eeprom(struct net_device *dev)`
309			`{`
310			`int i;`
311
312			`/* Address: 0000:0000 */`
313			`tms_isa_sifwritew(dev, 0, SIFADX);`
314			`tms_isa_sifwritew(dev, 0, SIFADR);`
315
316			`/* Read six byte MAC address data */`
317			`dev->addr_len = 6;`
318			`for(i = 0; i < 6; i++)`
319			`dev->dev_addr[i] = tms_isa_sifreadw(dev, SIFINC) >> 8;`
320			`}`
321
322			`unsigned short tms_isa_setnselout_pins(struct net_device *dev)`
323			`{`
324			`return 0;`
325			`}`
326
327			`static int tms_isa_open(struct net_device *dev)`
328			`{`
329			`struct net_local tp = (struct net_local )dev->priv;`
330			`unsigned short val = 0;`
331			`unsigned short oldval;`
332			`int i;`
333
334			`val = 0;`
335			`for(i = 0; irqlist[i] != 0; i++)`
336			`{`
337			`if(irqlist[i] == dev->irq)`
338			`break;`
339			`}`
340
341			`val \|= CYCLE_TIME << 2;`
342			`val \|= i << 4;`
343			`i = dev->dma - 5;`
344			`val \|= i;`
345			`if(tp->DataRate == SPEED_4)`
346			`val \|= LINE_SPEED_BIT;`
347			`else`
348			`val &= ~LINE_SPEED_BIT;`
349			`oldval = tms_isa_sifreadb(dev, POSREG);`
350			`/* Leave cycle bits alone */`
351			`oldval \|= 0xf3;`
352			`val &= oldval;`
353			`tms_isa_sifwriteb(dev, val, POSREG);`
354
355			`tms380tr_open(dev);`
356			`MOD_INC_USE_COUNT;`
357			`return 0;`
358			`}`
359
360			`static int tms_isa_close(struct net_device *dev)`
361			`{`
362			`tms380tr_close(dev);`
363			`MOD_DEC_USE_COUNT;`
364			`return 0;`
365			`}`
366
367			`#ifdef MODULE`
368
369			`#define ISATR_MAX_ADAPTERS 3`
370
371			`static int io[ISATR_MAX_ADAPTERS];`
372			`static int irq[ISATR_MAX_ADAPTERS];`
373			`static int dma[ISATR_MAX_ADAPTERS];`
374
375			`MODULE_LICENSE("GPL");`
376
377			`MODULE_PARM(io, "1-" __MODULE_STRING(ISATR_MAX_ADAPTERS) "i");`
378			`MODULE_PARM(irq, "1-" __MODULE_STRING(ISATR_MAX_ADAPTERS) "i");`
379			`MODULE_PARM(dma, "1-" __MODULE_STRING(ISATR_MAX_ADAPTERS) "i");`
380
381			`int init_module(void)`
382			`{`
383			`int i, num;`
384			`struct net_device *dev;`
385
386			`num = 0;`
387			`if (io[0])`
388			`{ /* Only probe addresses from command line */`
389			`for (i = 0; i < ISATR_MAX_ADAPTERS; i++)`
390			`{`
391			`if (io[i] == 0)`
392			`continue;`
393
394			`dev = init_trdev(NULL, 0);`
395			`if (!dev)`
396			`return (-ENOMEM);`
397
398			`dev->base_addr = io[i];`
399			`dev->irq = irq[i];`
400			`dev->dma = dma[i];`
401
402			`if (tms_isa_probe(dev))`
403			`{`
404			`unregister_netdev(dev);`
405			`kfree(dev);`
406			`}`
407			`else`
408			`num++;`
409			`}`
410			`}`
411			`else`
412			`{`
413			`for(i = 0; portlist[i]; i++)`
414			`{`
415			`if (num >= ISATR_MAX_ADAPTERS)`
416			`continue;`
417
418			`dev = init_trdev(NULL, 0);`
419			`if (!dev)`
420			`return (-ENOMEM);`
421
422			`dev->base_addr = portlist[i];`
423			`dev->irq = irq[num];`
424			`dev->dma = dma[num];`
425
426			`if (tms_isa_probe(dev))`
427			`{`
428			`unregister_netdev(dev);`
429			`kfree(dev);`
430			`}`
431			`else`
432			`num++;`
433			`}`
434			`}`
435			`printk(KERN_NOTICE "tmsisa.c: %d cards found.\n", num);`
436			`/* Probe for cards. */`
437			`if (num == 0) {`
438			`printk(KERN_NOTICE "tmsisa.c: No cards found.\n");`
439			`}`
440			`return (0);`
441			`}`
442
443			`void cleanup_module(void)`
444			`{`
445			`struct net_device *dev;`
446			`struct tms_isa_card *this_card;`
447
448			`while (tms_isa_card_list) {`
449			`dev = tms_isa_card_list->dev;`
450
451			`unregister_netdev(dev);`
452			`release_region(dev->base_addr, TMS_ISA_IO_EXTENT);`
453			`free_irq(dev->irq, dev);`
454			`free_dma(dev->dma);`
455			`tmsdev_term(dev);`
456			`kfree(dev);`
457			`this_card = tms_isa_card_list;`
458			`tms_isa_card_list = this_card->next;`
459			`kfree(this_card);`
460			`}`
461			`}`
462			`#endif /* MODULE */`
463
464
465			`/*`
466			`* Local variables:`
467			`* compile-command: "gcc -DMODVERSIONS -DMODULE -D__KERNEL__ -Wall -Wstrict-prototypes -O6 -fomit-frame-pointer -I/usr/src/linux/drivers/net/tokenring/ -c tmsisa.c"`
468			`* alt-compile-command: "gcc -DMODULE -D__KERNEL__ -Wall -Wstrict-prototypes -O6 -fomit-frame-pointer -I/usr/src/linux/drivers/net/tokenring/ -c tmsisa.c"`
469			`* c-set-style "K&R"`
470			`* c-indent-level: 8`
471			`* c-basic-offset: 8`
472			`* tab-width: 8`
473			`* End:`
474			`*/`