/*
* Linux ARCnet driver - COM90xx chipset (IO-mapped buffers)
- *
+ *
* Written 1997 by David Woodhouse.
* Written 1994-1999 by Avery Pennarun.
* Written 1999-2000 by Martin Mares <mj@ucw.cz>.
*
* **********************
*/
+
+#define pr_fmt(fmt) "arcnet:" KBUILD_MODNAME ": " fmt
+
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/bootmem.h>
#include <linux/init.h>
#include <linux/interrupt.h>
-#include <asm/io.h>
-#include <linux/arcdevice.h>
-
-
-#define VERSION "arcnet: COM90xx IO-mapped mode support (by David Woodhouse et el.)\n"
+#include <linux/io.h>
+#include "arcdevice.h"
+#include "com9026.h"
/* Internal function declarations */
static int com90io_reset(struct net_device *dev, int really_reset);
static void com90io_copy_to_card(struct net_device *dev, int bufnum, int offset,
void *buf, int count);
-static void com90io_copy_from_card(struct net_device *dev, int bufnum, int offset,
- void *buf, int count);
-
+static void com90io_copy_from_card(struct net_device *dev, int bufnum,
+ int offset, void *buf, int count);
/* Handy defines for ARCnet specific stuff */
/* The number of low I/O ports used by the card. */
#define ARCNET_TOTAL_SIZE 16
-/* COM 9026 controller chip --> ARCnet register addresses */
-#define _INTMASK (ioaddr+0) /* writable */
-#define _STATUS (ioaddr+0) /* readable */
-#define _COMMAND (ioaddr+1) /* writable, returns random vals on read (?) */
-#define _RESET (ioaddr+8) /* software reset (on read) */
-#define _MEMDATA (ioaddr+12) /* Data port for IO-mapped memory */
-#define _ADDR_HI (ioaddr+15) /* Control registers for said */
-#define _ADDR_LO (ioaddr+14)
-#define _CONFIG (ioaddr+2) /* Configuration register */
-
-#undef ASTATUS
-#undef ACOMMAND
-#undef AINTMASK
-
-#define ASTATUS() inb(_STATUS)
-#define ACOMMAND(cmd) outb((cmd),_COMMAND)
-#define AINTMASK(msk) outb((msk),_INTMASK)
-#define SETCONF() outb((lp->config),_CONFIG)
-
-
/****************************************************************************
* *
* IO-mapped operation routines *
{
int ioaddr = dev->base_addr;
- outb(offset >> 8, _ADDR_HI);
- outb(offset & 0xff, _ADDR_LO);
+ arcnet_outb(offset >> 8, ioaddr, COM9026_REG_W_ADDR_HI);
+ arcnet_outb(offset & 0xff, ioaddr, COM9026_REG_W_ADDR_LO);
- return inb(_MEMDATA);
+ return arcnet_inb(ioaddr, COM9026_REG_RW_MEMDATA);
}
#ifdef ONE_AT_A_TIME_TX
-static void put_buffer_byte(struct net_device *dev, unsigned offset, u_char datum)
+static void put_buffer_byte(struct net_device *dev, unsigned offset,
+ u_char datum)
{
int ioaddr = dev->base_addr;
- outb(offset >> 8, _ADDR_HI);
- outb(offset & 0xff, _ADDR_LO);
+ arcnet_outb(offset >> 8, ioaddr, COM9026_REG_W_ADDR_HI);
+ arcnet_outb(offset & 0xff, ioaddr, COM9026_REG_W_ADDR_LO);
- outb(datum, _MEMDATA);
+ arcnet_outb(datum, ioaddr, COM9026_REG_RW_MEMDATA);
}
#endif
-
-static void get_whole_buffer(struct net_device *dev, unsigned offset, unsigned length, char *dest)
+static void get_whole_buffer(struct net_device *dev, unsigned offset,
+ unsigned length, char *dest)
{
int ioaddr = dev->base_addr;
- outb((offset >> 8) | AUTOINCflag, _ADDR_HI);
- outb(offset & 0xff, _ADDR_LO);
+ arcnet_outb((offset >> 8) | AUTOINCflag, ioaddr, COM9026_REG_W_ADDR_HI);
+ arcnet_outb(offset & 0xff, ioaddr, COM9026_REG_W_ADDR_LO);
while (length--)
#ifdef ONE_AT_A_TIME_RX
*(dest++) = get_buffer_byte(dev, offset++);
#else
- *(dest++) = inb(_MEMDATA);
+ *(dest++) = arcnet_inb(ioaddr, COM9026_REG_RW_MEMDATA);
#endif
}
-static void put_whole_buffer(struct net_device *dev, unsigned offset, unsigned length, char *dest)
+static void put_whole_buffer(struct net_device *dev, unsigned offset,
+ unsigned length, char *dest)
{
int ioaddr = dev->base_addr;
- outb((offset >> 8) | AUTOINCflag, _ADDR_HI);
- outb(offset & 0xff, _ADDR_LO);
+ arcnet_outb((offset >> 8) | AUTOINCflag, ioaddr, COM9026_REG_W_ADDR_HI);
+ arcnet_outb(offset & 0xff, ioaddr,COM9026_REG_W_ADDR_LO);
while (length--)
#ifdef ONE_AT_A_TIME_TX
put_buffer_byte(dev, offset++, *(dest++));
#else
- outb(*(dest++), _MEMDATA);
+ arcnet_outb(*(dest++), ioaddr, COM9026_REG_RW_MEMDATA);
#endif
}
-/*
- * We cannot probe for an IO mapped card either, although we can check that
+/* We cannot probe for an IO mapped card either, although we can check that
* it's where we were told it was, and even autoirq
*/
static int __init com90io_probe(struct net_device *dev)
int ioaddr = dev->base_addr, status;
unsigned long airqmask;
- BUGLVL(D_NORMAL) printk(VERSION);
- BUGLVL(D_NORMAL) printk("E-mail me if you actually test this driver, please!\n");
+ if (BUGLVL(D_NORMAL)) {
+ pr_info("%s\n", "COM90xx IO-mapped mode support (by David Woodhouse et el.)");
+ pr_info("E-mail me if you actually test this driver, please!\n");
+ }
if (!ioaddr) {
- BUGMSG(D_NORMAL, "No autoprobe for IO mapped cards; you "
- "must specify the base address!\n");
+ arc_printk(D_NORMAL, dev, "No autoprobe for IO mapped cards; you must specify the base address!\n");
return -ENODEV;
}
if (!request_region(ioaddr, ARCNET_TOTAL_SIZE, "com90io probe")) {
- BUGMSG(D_INIT_REASONS, "IO request_region %x-%x failed.\n",
- ioaddr, ioaddr + ARCNET_TOTAL_SIZE - 1);
+ arc_printk(D_INIT_REASONS, dev, "IO request_region %x-%x failed\n",
+ ioaddr, ioaddr + ARCNET_TOTAL_SIZE - 1);
return -ENXIO;
}
- if (ASTATUS() == 0xFF) {
- BUGMSG(D_INIT_REASONS, "IO address %x empty\n", ioaddr);
+ if (arcnet_inb(ioaddr, COM9026_REG_R_STATUS) == 0xFF) {
+ arc_printk(D_INIT_REASONS, dev, "IO address %x empty\n",
+ ioaddr);
goto err_out;
}
- inb(_RESET);
+ arcnet_inb(ioaddr, COM9026_REG_R_RESET);
mdelay(RESETtime);
- status = ASTATUS();
+ status = arcnet_inb(ioaddr, COM9026_REG_R_STATUS);
if ((status & 0x9D) != (NORXflag | RECONflag | TXFREEflag | RESETflag)) {
- BUGMSG(D_INIT_REASONS, "Status invalid (%Xh).\n", status);
+ arc_printk(D_INIT_REASONS, dev, "Status invalid (%Xh)\n",
+ status);
goto err_out;
}
- BUGMSG(D_INIT_REASONS, "Status after reset: %X\n", status);
+ arc_printk(D_INIT_REASONS, dev, "Status after reset: %X\n", status);
- ACOMMAND(CFLAGScmd | RESETclear | CONFIGclear);
+ arcnet_outb(CFLAGScmd | RESETclear | CONFIGclear,
+ ioaddr, COM9026_REG_W_COMMAND);
- BUGMSG(D_INIT_REASONS, "Status after reset acknowledged: %X\n", status);
+ arc_printk(D_INIT_REASONS, dev, "Status after reset acknowledged: %X\n",
+ status);
- status = ASTATUS();
+ status = arcnet_inb(ioaddr, COM9026_REG_R_STATUS);
if (status & RESETflag) {
- BUGMSG(D_INIT_REASONS, "Eternal reset (status=%Xh)\n", status);
+ arc_printk(D_INIT_REASONS, dev, "Eternal reset (status=%Xh)\n",
+ status);
goto err_out;
}
- outb((0x16 | IOMAPflag) & ~ENABLE16flag, _CONFIG);
+ arcnet_outb((0x16 | IOMAPflag) & ~ENABLE16flag,
+ ioaddr, COM9026_REG_RW_CONFIG);
/* Read first loc'n of memory */
- outb(AUTOINCflag, _ADDR_HI);
- outb(0, _ADDR_LO);
+ arcnet_outb(AUTOINCflag, ioaddr, COM9026_REG_W_ADDR_HI);
+ arcnet_outb(0, ioaddr, COM9026_REG_W_ADDR_LO);
- if ((status = inb(_MEMDATA)) != 0xd1) {
- BUGMSG(D_INIT_REASONS, "Signature byte not found"
- " (%Xh instead).\n", status);
+ status = arcnet_inb(ioaddr, COM9026_REG_RW_MEMDATA);
+ if (status != 0xd1) {
+ arc_printk(D_INIT_REASONS, dev, "Signature byte not found (%Xh instead).\n",
+ status);
goto err_out;
}
if (!dev->irq) {
- /*
- * if we do this, we're sure to get an IRQ since the
+ /* if we do this, we're sure to get an IRQ since the
* card has just reset and the NORXflag is on until
* we tell it to start receiving.
*/
airqmask = probe_irq_on();
- outb(NORXflag, _INTMASK);
+ arcnet_outb(NORXflag, ioaddr, COM9026_REG_W_INTMASK);
udelay(1);
- outb(0, _INTMASK);
+ arcnet_outb(0, ioaddr, COM9026_REG_W_INTMASK);
dev->irq = probe_irq_off(airqmask);
if ((int)dev->irq <= 0) {
- BUGMSG(D_INIT_REASONS, "Autoprobe IRQ failed\n");
+ arc_printk(D_INIT_REASONS, dev, "Autoprobe IRQ failed\n");
goto err_out;
}
}
return -ENODEV;
}
-
/* Set up the struct net_device associated with this card. Called after
* probing succeeds.
*/
int err;
/* Reserve the irq */
- if (request_irq(dev->irq, arcnet_interrupt, 0, "arcnet (COM90xx-IO)", dev)) {
- BUGMSG(D_NORMAL, "Can't get IRQ %d!\n", dev->irq);
+ if (request_irq(dev->irq, arcnet_interrupt, 0,
+ "arcnet (COM90xx-IO)", dev)) {
+ arc_printk(D_NORMAL, dev, "Can't get IRQ %d!\n", dev->irq);
return -ENODEV;
}
/* Reserve the I/O region */
- if (!request_region(dev->base_addr, ARCNET_TOTAL_SIZE, "arcnet (COM90xx-IO)")) {
+ if (!request_region(dev->base_addr, ARCNET_TOTAL_SIZE,
+ "arcnet (COM90xx-IO)")) {
free_irq(dev->irq, dev);
return -EBUSY;
}
lp->hw.copy_from_card = com90io_copy_from_card;
lp->config = (0x16 | IOMAPflag) & ~ENABLE16flag;
- SETCONF();
+ arcnet_outb(lp->config, ioaddr, COM9026_REG_RW_CONFIG);
/* get and check the station ID from offset 1 in shmem */
err = register_netdev(dev);
if (err) {
- outb((inb(_CONFIG) & ~IOMAPflag), _CONFIG);
+ arcnet_outb(arcnet_inb(ioaddr, COM9026_REG_RW_CONFIG) & ~IOMAPflag,
+ ioaddr, COM9026_REG_RW_CONFIG);
free_irq(dev->irq, dev);
release_region(dev->base_addr, ARCNET_TOTAL_SIZE);
return err;
}
- BUGMSG(D_NORMAL, "COM90IO: station %02Xh found at %03lXh, IRQ %d.\n",
- dev->dev_addr[0], dev->base_addr, dev->irq);
+ arc_printk(D_NORMAL, dev, "COM90IO: station %02Xh found at %03lXh, IRQ %d.\n",
+ dev->dev_addr[0], dev->base_addr, dev->irq);
return 0;
}
-
-/*
- * Do a hardware reset on the card, and set up necessary registers.
+/* 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.
struct arcnet_local *lp = netdev_priv(dev);
short ioaddr = dev->base_addr;
- BUGMSG(D_INIT, "Resetting %s (status=%02Xh)\n", dev->name, ASTATUS());
+ arc_printk(D_INIT, dev, "Resetting %s (status=%02Xh)\n",
+ dev->name, arcnet_inb(ioaddr, COM9026_REG_R_STATUS));
if (really_reset) {
/* reset the card */
- inb(_RESET);
+ arcnet_inb(ioaddr, COM9026_REG_R_RESET);
mdelay(RESETtime);
}
/* Set the thing to IO-mapped, 8-bit mode */
lp->config = (0x1C | IOMAPflag) & ~ENABLE16flag;
- SETCONF();
+ arcnet_outb(lp->config, ioaddr, COM9026_REG_RW_CONFIG);
- ACOMMAND(CFLAGScmd | RESETclear); /* clear flags & end reset */
- ACOMMAND(CFLAGScmd | CONFIGclear);
+ arcnet_outb(CFLAGScmd | RESETclear, ioaddr, COM9026_REG_W_COMMAND);
+ /* clear flags & end reset */
+ arcnet_outb(CFLAGScmd | CONFIGclear, ioaddr, COM9026_REG_W_COMMAND);
/* verify that the ARCnet signature byte is present */
if (get_buffer_byte(dev, 0) != TESTvalue) {
- BUGMSG(D_NORMAL, "reset failed: TESTvalue not present.\n");
+ arc_printk(D_NORMAL, dev, "reset failed: TESTvalue not present.\n");
return 1;
}
/* enable extended (512-byte) packets */
- ACOMMAND(CONFIGcmd | EXTconf);
-
+ arcnet_outb(CONFIGcmd | EXTconf, ioaddr, COM9026_REG_W_COMMAND);
/* done! return success. */
return 0;
}
-
static void com90io_command(struct net_device *dev, int cmd)
{
short ioaddr = dev->base_addr;
- ACOMMAND(cmd);
+ arcnet_outb(cmd, ioaddr, COM9026_REG_W_COMMAND);
}
-
static int com90io_status(struct net_device *dev)
{
short ioaddr = dev->base_addr;
- return ASTATUS();
+ return arcnet_inb(ioaddr, COM9026_REG_R_STATUS);
}
-
static void com90io_setmask(struct net_device *dev, int mask)
{
short ioaddr = dev->base_addr;
- AINTMASK(mask);
+ arcnet_outb(mask, ioaddr, COM9026_REG_W_INTMASK);
}
-static void com90io_copy_to_card(struct net_device *dev, int bufnum, int offset,
- void *buf, int count)
+static void com90io_copy_to_card(struct net_device *dev, int bufnum,
+ int offset, void *buf, int count)
{
- TIME("put_whole_buffer", count, put_whole_buffer(dev, bufnum * 512 + offset, count, buf));
+ TIME(dev, "put_whole_buffer", count,
+ put_whole_buffer(dev, bufnum * 512 + offset, count, buf));
}
-
-static void com90io_copy_from_card(struct net_device *dev, int bufnum, int offset,
- void *buf, int count)
+static void com90io_copy_from_card(struct net_device *dev, int bufnum,
+ int offset, void *buf, int count)
{
- TIME("get_whole_buffer", count, get_whole_buffer(dev, bufnum * 512 + offset, count, buf));
+ TIME(dev, "get_whole_buffer", count,
+ get_whole_buffer(dev, bufnum * 512 + offset, count, buf));
}
static int io; /* use the insmod io= irq= shmem= options */
static int __init com90io_setup(char *s)
{
int ints[4];
+
s = get_options(s, 4, ints);
if (!ints[0])
return 0;
switch (ints[0]) {
default: /* ERROR */
- printk("com90io: Too many arguments.\n");
+ pr_err("Too many arguments\n");
case 2: /* IRQ */
irq = ints[2];
case 1: /* IO address */
unregister_netdev(dev);
- /* Set the thing back to MMAP mode, in case the old driver is loaded later */
- outb((inb(_CONFIG) & ~IOMAPflag), _CONFIG);
+ /* In case the old driver is loaded later,
+ * set the thing back to MMAP mode
+ */
+ arcnet_outb(arcnet_inb(ioaddr, COM9026_REG_RW_CONFIG) & ~IOMAPflag,
+ ioaddr, COM9026_REG_RW_CONFIG);
free_irq(dev->irq, dev);
release_region(dev->base_addr, ARCNET_TOTAL_SIZE);
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