static const char version[] = "madgemc.c: v0.91 23/01/2000 by Adam Fritzler\n";
#include <linux/module.h>
-#include <linux/mca-legacy.h>
+#include <linux/mca.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/pci.h>
#define MADGEMC_IO_EXTENT 32
#define MADGEMC_SIF_OFFSET 0x08
-struct madgemc_card {
- struct net_device *dev;
-
+struct card_info {
/*
* These are read from the BIA ROM.
*/
unsigned int arblevel:4;
unsigned int ringspeed:2; /* 0 = 4mb, 1 = 16, 2 = Auto/none */
unsigned int cabletype:1; /* 0 = RJ45, 1 = DB9 */
-
- struct madgemc_card *next;
};
-static struct madgemc_card *madgemc_card_list;
-
static int madgemc_open(struct net_device *dev);
static int madgemc_close(struct net_device *dev);
static int madgemc_chipset_init(struct net_device *dev);
-static void madgemc_read_rom(struct madgemc_card *card);
+static void madgemc_read_rom(struct net_device *dev, struct card_info *card);
static unsigned short madgemc_setnselout_pins(struct net_device *dev);
static void madgemc_setcabletype(struct net_device *dev, int type);
-static int __init madgemc_probe(void)
+static int __devinit madgemc_probe(struct device *device)
{
static int versionprinted;
struct net_device *dev;
struct net_local *tp;
- struct madgemc_card *card;
- int i,slot = 0;
- __u8 posreg[4];
-
- if (!MCA_bus)
- return -1;
-
- while (slot != MCA_NOTFOUND) {
- /*
- * Currently we only support the MC16/32 (MCA ID 002d)
- */
- slot = mca_find_unused_adapter(0x002d, slot);
- if (slot == MCA_NOTFOUND)
- break;
-
- /*
- * If we get here, we have an adapter.
- */
- if (versionprinted++ == 0)
- printk("%s", version);
-
- dev = alloc_trdev(sizeof(struct net_local));
- if (dev == NULL) {
- printk("madgemc: unable to allocate dev space\n");
- if (madgemc_card_list)
- return 0;
- return -1;
- }
+ struct card_info *card;
+ struct mca_device *mdev = to_mca_device(device);
+ int ret = 0, i = 0;
+
+ if (versionprinted++ == 0)
+ printk("%s", version);
+
+ if(mca_device_claimed(mdev))
+ return -EBUSY;
+ mca_device_set_claim(mdev, 1);
+
+ dev = alloc_trdev(sizeof(struct net_local));
+ if (!dev) {
+ printk("madgemc: unable to allocate dev space\n");
+ mca_device_set_claim(mdev, 0);
+ ret = -ENOMEM;
+ goto getout;
+ }
- SET_MODULE_OWNER(dev);
- dev->dma = 0;
+ SET_MODULE_OWNER(dev);
+ dev->dma = 0;
- /*
- * Fetch MCA config registers
- */
- for(i=0;i<4;i++)
- posreg[i] = mca_read_stored_pos(slot, i+2);
-
- card = kmalloc(sizeof(struct madgemc_card), GFP_KERNEL);
- if (card==NULL) {
- printk("madgemc: unable to allocate card struct\n");
- free_netdev(dev);
- if (madgemc_card_list)
- return 0;
- return -1;
- }
- card->dev = dev;
-
- /*
- * Parse configuration information. This all comes
- * directly from the publicly available @002d.ADF.
- * Get it from Madge or your local ADF library.
- */
-
- /*
- * Base address
- */
- dev->base_addr = 0x0a20 +
- ((posreg[2] & MC16_POS2_ADDR2)?0x0400:0) +
- ((posreg[0] & MC16_POS0_ADDR1)?0x1000:0) +
- ((posreg[3] & MC16_POS3_ADDR3)?0x2000:0);
-
- /*
- * Interrupt line
- */
- switch(posreg[0] >> 6) { /* upper two bits */
+ card = kmalloc(sizeof(struct card_info), GFP_KERNEL);
+ if (card==NULL) {
+ printk("madgemc: unable to allocate card struct\n");
+ ret = -ENOMEM;
+ goto getout1;
+ }
+
+ /*
+ * Parse configuration information. This all comes
+ * directly from the publicly available @002d.ADF.
+ * Get it from Madge or your local ADF library.
+ */
+
+ /*
+ * Base address
+ */
+ dev->base_addr = 0x0a20 +
+ ((mdev->pos[2] & MC16_POS2_ADDR2)?0x0400:0) +
+ ((mdev->pos[0] & MC16_POS0_ADDR1)?0x1000:0) +
+ ((mdev->pos[3] & MC16_POS3_ADDR3)?0x2000:0);
+
+ /*
+ * Interrupt line
+ */
+ switch(mdev->pos[0] >> 6) { /* upper two bits */
case 0x1: dev->irq = 3; break;
case 0x2: dev->irq = 9; break; /* IRQ 2 = IRQ 9 */
case 0x3: dev->irq = 10; break;
default: dev->irq = 0; break;
- }
+ }
- if (dev->irq == 0) {
- printk("%s: invalid IRQ\n", dev->name);
- goto getout1;
- }
+ if (dev->irq == 0) {
+ printk("%s: invalid IRQ\n", dev->name);
+ ret = -EBUSY;
+ goto getout2;
+ }
- if (!request_region(dev->base_addr, MADGEMC_IO_EXTENT,
- "madgemc")) {
- printk(KERN_INFO "madgemc: unable to setup Smart MC in slot %d because of I/O base conflict at 0x%04lx\n", slot, dev->base_addr);
- dev->base_addr += MADGEMC_SIF_OFFSET;
- goto getout1;
- }
+ if (!request_region(dev->base_addr, MADGEMC_IO_EXTENT,
+ "madgemc")) {
+ printk(KERN_INFO "madgemc: unable to setup Smart MC in slot %d because of I/O base conflict at 0x%04lx\n", mdev->slot, dev->base_addr);
dev->base_addr += MADGEMC_SIF_OFFSET;
+ ret = -EBUSY;
+ goto getout2;
+ }
+ dev->base_addr += MADGEMC_SIF_OFFSET;
+
+ /*
+ * Arbitration Level
+ */
+ card->arblevel = ((mdev->pos[0] >> 1) & 0x7) + 8;
+
+ /*
+ * Burst mode and Fairness
+ */
+ card->burstmode = ((mdev->pos[2] >> 6) & 0x3);
+ card->fairness = ((mdev->pos[2] >> 4) & 0x1);
+
+ /*
+ * Ring Speed
+ */
+ if ((mdev->pos[1] >> 2)&0x1)
+ card->ringspeed = 2; /* not selected */
+ else if ((mdev->pos[2] >> 5) & 0x1)
+ card->ringspeed = 1; /* 16Mb */
+ else
+ card->ringspeed = 0; /* 4Mb */
+
+ /*
+ * Cable type
+ */
+ if ((mdev->pos[1] >> 6)&0x1)
+ card->cabletype = 1; /* STP/DB9 */
+ else
+ card->cabletype = 0; /* UTP/RJ-45 */
+
+
+ /*
+ * ROM Info. This requires us to actually twiddle
+ * bits on the card, so we must ensure above that
+ * the base address is free of conflict (request_region above).
+ */
+ madgemc_read_rom(dev, card);
- /*
- * Arbitration Level
- */
- card->arblevel = ((posreg[0] >> 1) & 0x7) + 8;
-
- /*
- * Burst mode and Fairness
- */
- card->burstmode = ((posreg[2] >> 6) & 0x3);
- card->fairness = ((posreg[2] >> 4) & 0x1);
-
- /*
- * Ring Speed
- */
- if ((posreg[1] >> 2)&0x1)
- card->ringspeed = 2; /* not selected */
- else if ((posreg[2] >> 5) & 0x1)
- card->ringspeed = 1; /* 16Mb */
- else
- card->ringspeed = 0; /* 4Mb */
-
- /*
- * Cable type
- */
- if ((posreg[1] >> 6)&0x1)
- card->cabletype = 1; /* STP/DB9 */
- else
- card->cabletype = 0; /* UTP/RJ-45 */
-
-
- /*
- * ROM Info. This requires us to actually twiddle
- * bits on the card, so we must ensure above that
- * the base address is free of conflict (request_region above).
- */
- madgemc_read_rom(card);
-
- if (card->manid != 0x4d) { /* something went wrong */
- printk(KERN_INFO "%s: Madge MC ROM read failed (unknown manufacturer ID %02x)\n", dev->name, card->manid);
- goto getout;
- }
+ if (card->manid != 0x4d) { /* something went wrong */
+ printk(KERN_INFO "%s: Madge MC ROM read failed (unknown manufacturer ID %02x)\n", dev->name, card->manid);
+ goto getout3;
+ }
- if ((card->cardtype != 0x08) && (card->cardtype != 0x0d)) {
- printk(KERN_INFO "%s: Madge MC ROM read failed (unknown card ID %02x)\n", dev->name, card->cardtype);
- goto getout;
- }
+ if ((card->cardtype != 0x08) && (card->cardtype != 0x0d)) {
+ printk(KERN_INFO "%s: Madge MC ROM read failed (unknown card ID %02x)\n", dev->name, card->cardtype);
+ ret = -EIO;
+ goto getout3;
+ }
- /* All cards except Rev 0 and 1 MC16's have 256kb of RAM */
- if ((card->cardtype == 0x08) && (card->cardrev <= 0x01))
- card->ramsize = 128;
- else
- card->ramsize = 256;
-
- printk("%s: %s Rev %d at 0x%04lx IRQ %d\n",
- dev->name,
- (card->cardtype == 0x08)?MADGEMC16_CARDNAME:
- MADGEMC32_CARDNAME, card->cardrev,
- dev->base_addr, dev->irq);
-
- if (card->cardtype == 0x0d)
- printk("%s: Warning: MC32 support is experimental and highly untested\n", dev->name);
-
- if (card->ringspeed==2) { /* Unknown */
- printk("%s: Warning: Ring speed not set in POS -- Please run the reference disk and set it!\n", dev->name);
- card->ringspeed = 1; /* default to 16mb */
- }
+ /* All cards except Rev 0 and 1 MC16's have 256kb of RAM */
+ if ((card->cardtype == 0x08) && (card->cardrev <= 0x01))
+ card->ramsize = 128;
+ else
+ card->ramsize = 256;
+
+ printk("%s: %s Rev %d at 0x%04lx IRQ %d\n",
+ dev->name,
+ (card->cardtype == 0x08)?MADGEMC16_CARDNAME:
+ MADGEMC32_CARDNAME, card->cardrev,
+ dev->base_addr, dev->irq);
+
+ if (card->cardtype == 0x0d)
+ printk("%s: Warning: MC32 support is experimental and highly untested\n", dev->name);
+
+ if (card->ringspeed==2) { /* Unknown */
+ printk("%s: Warning: Ring speed not set in POS -- Please run the reference disk and set it!\n", dev->name);
+ card->ringspeed = 1; /* default to 16mb */
+ }
- printk("%s: RAM Size: %dKB\n", dev->name, card->ramsize);
+ printk("%s: RAM Size: %dKB\n", dev->name, card->ramsize);
- printk("%s: Ring Speed: %dMb/sec on %s\n", dev->name,
- (card->ringspeed)?16:4,
- card->cabletype?"STP/DB9":"UTP/RJ-45");
- printk("%s: Arbitration Level: %d\n", dev->name,
- card->arblevel);
+ printk("%s: Ring Speed: %dMb/sec on %s\n", dev->name,
+ (card->ringspeed)?16:4,
+ card->cabletype?"STP/DB9":"UTP/RJ-45");
+ printk("%s: Arbitration Level: %d\n", dev->name,
+ card->arblevel);
- printk("%s: Burst Mode: ", dev->name);
- switch(card->burstmode) {
+ printk("%s: Burst Mode: ", dev->name);
+ switch(card->burstmode) {
case 0: printk("Cycle steal"); break;
case 1: printk("Limited burst"); break;
case 2: printk("Delayed release"); break;
case 3: printk("Immediate release"); break;
- }
- printk(" (%s)\n", (card->fairness)?"Unfair":"Fair");
-
-
- /*
- * Enable SIF before we assign the interrupt handler,
- * just in case we get spurious interrupts that need
- * handling.
- */
- outb(0, dev->base_addr + MC_CONTROL_REG0); /* sanity */
- madgemc_setsifsel(dev, 1);
- if (request_irq(dev->irq, madgemc_interrupt, SA_SHIRQ,
- "madgemc", dev))
- goto getout;
-
- madgemc_chipset_init(dev); /* enables interrupts! */
- madgemc_setcabletype(dev, card->cabletype);
+ }
+ printk(" (%s)\n", (card->fairness)?"Unfair":"Fair");
- /* Setup MCA structures */
- mca_set_adapter_name(slot, (card->cardtype == 0x08)?MADGEMC16_CARDNAME:MADGEMC32_CARDNAME);
- mca_set_adapter_procfn(slot, madgemc_mcaproc, dev);
- mca_mark_as_used(slot);
- printk("%s: Ring Station Address: ", dev->name);
- printk("%2.2x", dev->dev_addr[0]);
- for (i = 1; i < 6; i++)
- printk(":%2.2x", dev->dev_addr[i]);
- printk("\n");
-
- /* XXX is ISA_MAX_ADDRESS correct here? */
- if (tmsdev_init(dev, ISA_MAX_ADDRESS, NULL)) {
- printk("%s: unable to get memory for dev->priv.\n",
- dev->name);
- release_region(dev->base_addr-MADGEMC_SIF_OFFSET,
- MADGEMC_IO_EXTENT);
-
- kfree(card);
- tmsdev_term(dev);
- free_netdev(dev);
- if (madgemc_card_list)
- return 0;
- return -1;
- }
- tp = netdev_priv(dev);
-
- /*
- * The MC16 is physically a 32bit card. However, Madge
- * insists on calling it 16bit, so I'll assume here that
- * they know what they're talking about. Cut off DMA
- * at 16mb.
- */
- tp->setnselout = madgemc_setnselout_pins;
- tp->sifwriteb = madgemc_sifwriteb;
- tp->sifreadb = madgemc_sifreadb;
- tp->sifwritew = madgemc_sifwritew;
- tp->sifreadw = madgemc_sifreadw;
- tp->DataRate = (card->ringspeed)?SPEED_16:SPEED_4;
-
- memcpy(tp->ProductID, "Madge MCA 16/4 ", PROD_ID_SIZE + 1);
-
- dev->open = madgemc_open;
- dev->stop = madgemc_close;
-
- if (register_netdev(dev) == 0) {
- /* Enlist in the card list */
- card->next = madgemc_card_list;
- madgemc_card_list = card;
- slot++;
- continue; /* successful, try to find another */
- }
-
- free_irq(dev->irq, dev);
- getout:
- release_region(dev->base_addr-MADGEMC_SIF_OFFSET,
- MADGEMC_IO_EXTENT);
- getout1:
- kfree(card);
- free_netdev(dev);
- slot++;
+ /*
+ * Enable SIF before we assign the interrupt handler,
+ * just in case we get spurious interrupts that need
+ * handling.
+ */
+ outb(0, dev->base_addr + MC_CONTROL_REG0); /* sanity */
+ madgemc_setsifsel(dev, 1);
+ if (request_irq(dev->irq, madgemc_interrupt, SA_SHIRQ,
+ "madgemc", dev)) {
+ ret = -EBUSY;
+ goto getout3;
}
- if (madgemc_card_list)
+ madgemc_chipset_init(dev); /* enables interrupts! */
+ madgemc_setcabletype(dev, card->cabletype);
+
+ /* Setup MCA structures */
+ mca_device_set_name(mdev, (card->cardtype == 0x08)?MADGEMC16_CARDNAME:MADGEMC32_CARDNAME);
+ mca_set_adapter_procfn(mdev->slot, madgemc_mcaproc, dev);
+
+ printk("%s: Ring Station Address: ", dev->name);
+ printk("%2.2x", dev->dev_addr[0]);
+ for (i = 1; i < 6; i++)
+ printk(":%2.2x", dev->dev_addr[i]);
+ printk("\n");
+
+ if (tmsdev_init(dev, device)) {
+ printk("%s: unable to get memory for dev->priv.\n",
+ dev->name);
+ ret = -ENOMEM;
+ goto getout4;
+ }
+ tp = netdev_priv(dev);
+
+ /*
+ * The MC16 is physically a 32bit card. However, Madge
+ * insists on calling it 16bit, so I'll assume here that
+ * they know what they're talking about. Cut off DMA
+ * at 16mb.
+ */
+ tp->setnselout = madgemc_setnselout_pins;
+ tp->sifwriteb = madgemc_sifwriteb;
+ tp->sifreadb = madgemc_sifreadb;
+ tp->sifwritew = madgemc_sifwritew;
+ tp->sifreadw = madgemc_sifreadw;
+ tp->DataRate = (card->ringspeed)?SPEED_16:SPEED_4;
+
+ memcpy(tp->ProductID, "Madge MCA 16/4 ", PROD_ID_SIZE + 1);
+
+ dev->open = madgemc_open;
+ dev->stop = madgemc_close;
+
+ tp->tmspriv = card;
+ dev_set_drvdata(device, dev);
+
+ if (register_netdev(dev) == 0)
return 0;
- return -1;
+
+ dev_set_drvdata(device, NULL);
+ ret = -ENOMEM;
+getout4:
+ free_irq(dev->irq, dev);
+getout3:
+ release_region(dev->base_addr-MADGEMC_SIF_OFFSET,
+ MADGEMC_IO_EXTENT);
+getout2:
+ kfree(card);
+getout1:
+ free_netdev(dev);
+getout:
+ mca_device_set_claim(mdev, 0);
+ return ret;
}
/*
* is complete.
*
*/
-static void madgemc_read_rom(struct madgemc_card *card)
+static void madgemc_read_rom(struct net_device *dev, struct card_info *card)
{
unsigned long ioaddr;
unsigned char reg0, reg1, tmpreg0, i;
- ioaddr = card->dev->base_addr;
+ ioaddr = dev->base_addr;
reg0 = inb(ioaddr + MC_CONTROL_REG0);
reg1 = inb(ioaddr + MC_CONTROL_REG1);
outb(tmpreg0 | MC_CONTROL_REG0_PAGE, ioaddr + MC_CONTROL_REG0);
/* Read BIA */
- card->dev->addr_len = 6;
+ dev->addr_len = 6;
for (i = 0; i < 6; i++)
- card->dev->dev_addr[i] = inb(ioaddr + MC_ROM_BIA_START + i);
+ dev->dev_addr[i] = inb(ioaddr + MC_ROM_BIA_START + i);
/* Restore original register values */
outb(reg0, ioaddr + MC_CONTROL_REG0);
static int madgemc_mcaproc(char *buf, int slot, void *d)
{
struct net_device *dev = (struct net_device *)d;
- struct madgemc_card *curcard = madgemc_card_list;
+ struct net_local *tp = dev->priv;
+ struct card_info *curcard = tp->tmspriv;
int len = 0;
- while (curcard) { /* search for card struct */
- if (curcard->dev == dev)
- break;
- curcard = curcard->next;
- }
len += sprintf(buf+len, "-------\n");
if (curcard) {
struct net_local *tp = netdev_priv(dev);
return len;
}
-static void __exit madgemc_exit(void)
+static int __devexit madgemc_remove(struct device *device)
{
- struct net_device *dev;
- struct madgemc_card *this_card;
-
- while (madgemc_card_list) {
- dev = madgemc_card_list->dev;
- unregister_netdev(dev);
- release_region(dev->base_addr-MADGEMC_SIF_OFFSET, MADGEMC_IO_EXTENT);
- free_irq(dev->irq, dev);
- tmsdev_term(dev);
- free_netdev(dev);
- this_card = madgemc_card_list;
- madgemc_card_list = this_card->next;
- kfree(this_card);
- }
+ struct net_device *dev = dev_get_drvdata(device);
+ struct net_local *tp;
+ struct card_info *card;
+
+ if (!dev)
+ BUG();
+
+ tp = dev->priv;
+ card = tp->tmspriv;
+ kfree(card);
+ tp->tmspriv = NULL;
+
+ unregister_netdev(dev);
+ release_region(dev->base_addr-MADGEMC_SIF_OFFSET, MADGEMC_IO_EXTENT);
+ free_irq(dev->irq, dev);
+ tmsdev_term(dev);
+ free_netdev(dev);
+ dev_set_drvdata(device, NULL);
+
+ return 0;
+}
+
+static short madgemc_adapter_ids[] __initdata = {
+ 0x002d,
+ 0x0000
+};
+
+static struct mca_driver madgemc_driver = {
+ .id_table = madgemc_adapter_ids,
+ .driver = {
+ .name = "madgemc",
+ .bus = &mca_bus_type,
+ .probe = madgemc_probe,
+ .remove = __devexit_p(madgemc_remove),
+ },
+};
+
+static int __init madgemc_init (void)
+{
+ return mca_register_driver (&madgemc_driver);
+}
+
+static void __exit madgemc_exit (void)
+{
+ mca_unregister_driver (&madgemc_driver);
}
-module_init(madgemc_probe);
+module_init(madgemc_init);
module_exit(madgemc_exit);
MODULE_LICENSE("GPL");
projects / linux-2.6 / commitdiff