*
* Based on code
* (C) 1996 by Thomas Bogendoerfer (tsbogend@bigbug.franken.de)
- *
+ *
* This driver is based on work from Andreas Busse, but most of
* the code is rewritten.
- *
+ *
* (C) 1995 by Andreas Busse (andy@waldorf-gmbh.de)
*
* A driver for the Mac onboard Sonic ethernet chip.
*
- * 98/12/21 MSch: judged from tests on Q800, it's basically working,
+ * 98/12/21 MSch: judged from tests on Q800, it's basically working,
* but eating up both receive and transmit resources
* and duplicating packets. Needs more testing.
*
* 99/01/03 MSch: upgraded to version 0.92 of the core driver, fixed.
- *
+ *
* 00/10/31 sammy@oh.verio.com: Updated driver for 2.4 kernels, fixed problems
* on centris.
*/
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
-#include <linux/device.h>
+#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
+#include <linux/bitrev.h>
#include <asm/bootinfo.h>
#include <asm/system.h>
/* use 0 for production, 1 for verification, >1 for debug */
#ifdef SONIC_DEBUG
static unsigned int sonic_debug = SONIC_DEBUG;
-#else
+#else
static unsigned int sonic_debug = 1;
#endif
static int sonic_version_printed;
-extern int mac_onboard_sonic_probe(struct net_device* dev);
-extern int mac_nubus_sonic_probe(struct net_device* dev);
-
/* For onboard SONIC */
#define ONBOARD_SONIC_REGISTERS 0x50F0A000
#define ONBOARD_SONIC_PROM_BASE 0x50f08000
* For reversing the PROM address
*/
-static unsigned char nibbletab[] = {0, 8, 4, 12, 2, 10, 6, 14,
- 1, 9, 5, 13, 3, 11, 7, 15};
-
static inline void bit_reverse_addr(unsigned char addr[6])
{
int i;
for(i = 0; i < 6; i++)
- addr[i] = ((nibbletab[addr[i] & 0xf] << 4) |
- nibbletab[(addr[i] >> 4) &0xf]);
+ addr[i] = bitrev8(addr[i]);
+}
+
+static irqreturn_t macsonic_interrupt(int irq, void *dev_id)
+{
+ irqreturn_t result;
+ unsigned long flags;
+
+ local_irq_save(flags);
+ result = sonic_interrupt(irq, dev_id);
+ local_irq_restore(flags);
+ return result;
+}
+
+static int macsonic_open(struct net_device* dev)
+{
+ if (request_irq(dev->irq, sonic_interrupt, IRQ_FLG_FAST, "sonic", dev)) {
+ printk(KERN_ERR "%s: unable to get IRQ %d.\n", dev->name, dev->irq);
+ return -EAGAIN;
+ }
+ /* Under the A/UX interrupt scheme, the onboard SONIC interrupt comes
+ * in at priority level 3. However, we sometimes get the level 2 inter-
+ * rupt as well, which must prevent re-entrance of the sonic handler.
+ */
+ if (dev->irq == IRQ_AUTO_3)
+ if (request_irq(IRQ_NUBUS_9, macsonic_interrupt, IRQ_FLG_FAST, "sonic", dev)) {
+ printk(KERN_ERR "%s: unable to get IRQ %d.\n", dev->name, IRQ_NUBUS_9);
+ free_irq(dev->irq, dev);
+ return -EAGAIN;
+ }
+ return sonic_open(dev);
}
-int __init macsonic_init(struct net_device* dev)
+static int macsonic_close(struct net_device* dev)
+{
+ int err;
+ err = sonic_close(dev);
+ free_irq(dev->irq, dev);
+ if (dev->irq == IRQ_AUTO_3)
+ free_irq(IRQ_NUBUS_9, dev);
+ return err;
+}
+
+static const struct net_device_ops macsonic_netdev_ops = {
+ .ndo_open = macsonic_open,
+ .ndo_stop = macsonic_close,
+ .ndo_start_xmit = sonic_send_packet,
+ .ndo_set_multicast_list = sonic_multicast_list,
+ .ndo_tx_timeout = sonic_tx_timeout,
+ .ndo_get_stats = sonic_get_stats,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+};
+
+static int __devinit macsonic_init(struct net_device *dev)
{
struct sonic_local* lp = netdev_priv(dev);
if ((lp->descriptors = dma_alloc_coherent(lp->device,
SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode),
&lp->descriptors_laddr, GFP_KERNEL)) == NULL) {
- printk(KERN_ERR "%s: couldn't alloc DMA memory for descriptors.\n", lp->device->bus_id);
+ printk(KERN_ERR "%s: couldn't alloc DMA memory for descriptors.\n",
+ dev_name(lp->device));
return -ENOMEM;
}
lp->rra_laddr = lp->rda_laddr + (SIZEOF_SONIC_RD * SONIC_NUM_RDS
* SONIC_BUS_SCALE(lp->dma_bitmode));
- dev->open = sonic_open;
- dev->stop = sonic_close;
- dev->hard_start_xmit = sonic_send_packet;
- dev->get_stats = sonic_get_stats;
- dev->set_multicast_list = &sonic_multicast_list;
- dev->tx_timeout = sonic_tx_timeout;
+ dev->netdev_ops = &macsonic_netdev_ops;
dev->watchdog_timeo = TX_TIMEOUT;
/*
return 0;
}
-int __init mac_onboard_sonic_ethernet_addr(struct net_device* dev)
+#define INVALID_MAC(mac) (memcmp(mac, "\x08\x00\x07", 3) && \
+ memcmp(mac, "\x00\xA0\x40", 3) && \
+ memcmp(mac, "\x00\x80\x19", 3) && \
+ memcmp(mac, "\x00\x05\x02", 3))
+
+static void __devinit mac_onboard_sonic_ethernet_addr(struct net_device *dev)
{
struct sonic_local *lp = netdev_priv(dev);
const int prom_addr = ONBOARD_SONIC_PROM_BASE;
- int i;
+ unsigned short val;
- /* On NuBus boards we can sometimes look in the ROM resources.
- No such luck for comm-slot/onboard. */
- for(i = 0; i < 6; i++)
- dev->dev_addr[i] = SONIC_READ_PROM(i);
+ /*
+ * On NuBus boards we can sometimes look in the ROM resources.
+ * No such luck for comm-slot/onboard.
+ * On the PowerBook 520, the PROM base address is a mystery.
+ */
+ if (hwreg_present((void *)prom_addr)) {
+ int i;
+
+ for (i = 0; i < 6; i++)
+ dev->dev_addr[i] = SONIC_READ_PROM(i);
+ if (!INVALID_MAC(dev->dev_addr))
+ return;
- /* Most of the time, the address is bit-reversed. The NetBSD
- source has a rather long and detailed historical account of
- why this is so. */
- if (memcmp(dev->dev_addr, "\x08\x00\x07", 3) &&
- memcmp(dev->dev_addr, "\x00\xA0\x40", 3) &&
- memcmp(dev->dev_addr, "\x00\x80\x19", 3) &&
- memcmp(dev->dev_addr, "\x00\x05\x02", 3))
+ /*
+ * Most of the time, the address is bit-reversed. The NetBSD
+ * source has a rather long and detailed historical account of
+ * why this is so.
+ */
bit_reverse_addr(dev->dev_addr);
- else
- return 0;
-
- /* If we still have what seems to be a bogus address, we'll
- look in the CAM. The top entry should be ours. */
- /* Danger! This only works if MacOS has already initialized
- the card... */
- if (memcmp(dev->dev_addr, "\x08\x00\x07", 3) &&
- memcmp(dev->dev_addr, "\x00\xA0\x40", 3) &&
- memcmp(dev->dev_addr, "\x00\x80\x19", 3) &&
- memcmp(dev->dev_addr, "\x00\x05\x02", 3))
- {
- unsigned short val;
-
- printk(KERN_INFO "macsonic: PROM seems to be wrong, trying CAM entry 15\n");
-
- SONIC_WRITE(SONIC_CMD, SONIC_CR_RST);
- SONIC_WRITE(SONIC_CEP, 15);
-
- val = SONIC_READ(SONIC_CAP2);
- dev->dev_addr[5] = val >> 8;
- dev->dev_addr[4] = val & 0xff;
- val = SONIC_READ(SONIC_CAP1);
- dev->dev_addr[3] = val >> 8;
- dev->dev_addr[2] = val & 0xff;
- val = SONIC_READ(SONIC_CAP0);
- dev->dev_addr[1] = val >> 8;
- dev->dev_addr[0] = val & 0xff;
-
- printk(KERN_INFO "HW Address from CAM 15: ");
- for (i = 0; i < 6; i++) {
- printk("%2.2x", dev->dev_addr[i]);
- if (i < 5)
- printk(":");
- }
- printk("\n");
- } else return 0;
+ if (!INVALID_MAC(dev->dev_addr))
+ return;
- if (memcmp(dev->dev_addr, "\x08\x00\x07", 3) &&
- memcmp(dev->dev_addr, "\x00\xA0\x40", 3) &&
- memcmp(dev->dev_addr, "\x00\x80\x19", 3) &&
- memcmp(dev->dev_addr, "\x00\x05\x02", 3))
- {
/*
- * Still nonsense ... messed up someplace!
+ * If we still have what seems to be a bogus address, we'll
+ * look in the CAM. The top entry should be ours.
*/
- printk(KERN_ERR "macsonic: ERROR (INVALID MAC)\n");
- return -EIO;
- } else return 0;
+ printk(KERN_WARNING "macsonic: MAC address in PROM seems "
+ "to be invalid, trying CAM\n");
+ } else {
+ printk(KERN_WARNING "macsonic: cannot read MAC address from "
+ "PROM, trying CAM\n");
+ }
+
+ /* This only works if MacOS has already initialized the card. */
+
+ SONIC_WRITE(SONIC_CMD, SONIC_CR_RST);
+ SONIC_WRITE(SONIC_CEP, 15);
+
+ val = SONIC_READ(SONIC_CAP2);
+ dev->dev_addr[5] = val >> 8;
+ dev->dev_addr[4] = val & 0xff;
+ val = SONIC_READ(SONIC_CAP1);
+ dev->dev_addr[3] = val >> 8;
+ dev->dev_addr[2] = val & 0xff;
+ val = SONIC_READ(SONIC_CAP0);
+ dev->dev_addr[1] = val >> 8;
+ dev->dev_addr[0] = val & 0xff;
+
+ if (!INVALID_MAC(dev->dev_addr))
+ return;
+
+ /* Still nonsense ... messed up someplace! */
+
+ printk(KERN_WARNING "macsonic: MAC address in CAM entry 15 "
+ "seems invalid, will use a random MAC\n");
+ random_ether_addr(dev->dev_addr);
}
-int __init mac_onboard_sonic_probe(struct net_device* dev)
+static int __devinit mac_onboard_sonic_probe(struct net_device *dev)
{
/* Bwahahaha */
static int once_is_more_than_enough;
struct sonic_local* lp = netdev_priv(dev);
int sr;
int commslot = 0;
-
+
if (once_is_more_than_enough)
return -ENODEV;
once_is_more_than_enough = 1;
if (macintosh_config->ether_type != MAC_ETHER_SONIC)
return -ENODEV;
-
+
printk(KERN_INFO "Checking for internal Macintosh ethernet (SONIC).. ");
-
+
/* Bogus probing, on the models which may or may not have
Ethernet (BTW, the Ethernet *is* always at the same
address, and nothing else lives there, at least if Apple's
commslot = 1;
}
- printk("yes\n");
+ printk("yes\n");
/* Danger! My arms are flailing wildly! You *must* set lp->reg_offset
* and dev->base_addr before using SONIC_READ() or SONIC_WRITE() */
sonic_version_printed = 1;
}
printk(KERN_INFO "%s: onboard / comm-slot SONIC at 0x%08lx\n",
- lp->device->bus_id, dev->base_addr);
+ dev_name(lp->device), dev->base_addr);
/* The PowerBook's SONIC is 16 bit always. */
if (macintosh_config->ident == MAC_MODEL_PB520) {
lp->dma_bitmode = SONIC_BITMODE16;
sr = SONIC_READ(SONIC_SR);
- if (sr == 0x0004 || sr == 0x0006 || sr == 0x0100 || sr == 0x0101)
+ if (sr == 0x0004 || sr == 0x0006 || sr == 0x0100 || sr == 0x0101)
/* 83932 is 0x0004 or 0x0006, 83934 is 0x0100 or 0x0101 */
lp->dma_bitmode = SONIC_BITMODE32;
else {
}
printk(KERN_INFO
"%s: revision 0x%04x, using %d bit DMA and register offset %d\n",
- lp->device->bus_id, sr, lp->dma_bitmode?32:16, lp->reg_offset);
+ dev_name(lp->device), sr, lp->dma_bitmode?32:16, lp->reg_offset);
#if 0 /* This is sometimes useful to find out how MacOS configured the card. */
- printk(KERN_INFO "%s: DCR: 0x%04x, DCR2: 0x%04x\n", lp->device->bus_id,
+ printk(KERN_INFO "%s: DCR: 0x%04x, DCR2: 0x%04x\n", dev_name(lp->device),
SONIC_READ(SONIC_DCR) & 0xffff, SONIC_READ(SONIC_DCR2) & 0xffff);
#endif
SONIC_WRITE(SONIC_ISR, 0x7fff);
/* Now look for the MAC address. */
- if (mac_onboard_sonic_ethernet_addr(dev) != 0)
- return -ENODEV;
+ mac_onboard_sonic_ethernet_addr(dev);
/* Shared init code */
return macsonic_init(dev);
}
-int __init mac_nubus_sonic_ethernet_addr(struct net_device* dev,
- unsigned long prom_addr,
- int id)
+static int __devinit mac_nubus_sonic_ethernet_addr(struct net_device *dev,
+ unsigned long prom_addr,
+ int id)
{
int i;
for(i = 0; i < 6; i++)
return 0;
}
-int __init macsonic_ident(struct nubus_dev* ndev)
+static int __devinit macsonic_ident(struct nubus_dev *ndev)
{
- if (ndev->dr_hw == NUBUS_DRHW_ASANTE_LC &&
+ if (ndev->dr_hw == NUBUS_DRHW_ASANTE_LC &&
ndev->dr_sw == NUBUS_DRSW_SONIC_LC)
return MACSONIC_DAYNALINK;
if (ndev->dr_hw == NUBUS_DRHW_SONIC &&
else
return MACSONIC_APPLE;
}
-
+
if (ndev->dr_hw == NUBUS_DRHW_SMC9194 &&
ndev->dr_sw == NUBUS_DRSW_DAYNA)
return MACSONIC_DAYNA;
-
- if (ndev->dr_hw == NUBUS_DRHW_SONIC_LC &&
+
+ if (ndev->dr_hw == NUBUS_DRHW_APPLE_SONIC_LC &&
ndev->dr_sw == 0) { /* huh? */
return MACSONIC_APPLE16;
}
return -1;
}
-int __init mac_nubus_sonic_probe(struct net_device* dev)
+static int __devinit mac_nubus_sonic_probe(struct net_device *dev)
{
static int slots;
struct nubus_dev* ndev = NULL;
u16 sonic_dcr;
int id = -1;
int reg_offset, dma_bitmode;
-
+
/* Find the first SONIC that hasn't been initialized already */
while ((ndev = nubus_find_type(NUBUS_CAT_NETWORK,
NUBUS_TYPE_ETHERNET, ndev)) != NULL)
base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS;
prom_addr = ndev->board->slot_addr + APPLE_SONIC_PROM_BASE;
sonic_dcr = SONIC_DCR_EXBUS | SONIC_DCR_RFT1 | SONIC_DCR_TFT0 |
- SONIC_DCR_PO1 | SONIC_DCR_BMS;
+ SONIC_DCR_PO1 | SONIC_DCR_BMS;
reg_offset = 0;
dma_bitmode = SONIC_BITMODE16;
break;
base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS;
prom_addr = ndev->board->slot_addr + DAYNALINK_PROM_BASE;
sonic_dcr = SONIC_DCR_RFT1 | SONIC_DCR_TFT0 |
- SONIC_DCR_PO1 | SONIC_DCR_BMS;
+ SONIC_DCR_PO1 | SONIC_DCR_BMS;
reg_offset = 0;
dma_bitmode = SONIC_BITMODE16;
break;
sonic_version_printed = 1;
}
printk(KERN_INFO "%s: %s in slot %X\n",
- lp->device->bus_id, ndev->board->name, ndev->board->slot);
+ dev_name(lp->device), ndev->board->name, ndev->board->slot);
printk(KERN_INFO "%s: revision 0x%04x, using %d bit DMA and register offset %d\n",
- lp->device->bus_id, SONIC_READ(SONIC_SR), dma_bitmode?32:16, reg_offset);
+ dev_name(lp->device), SONIC_READ(SONIC_SR), dma_bitmode?32:16, reg_offset);
#if 0 /* This is sometimes useful to find out how MacOS configured the card. */
- printk(KERN_INFO "%s: DCR: 0x%04x, DCR2: 0x%04x\n", lp->device->bus_id,
+ printk(KERN_INFO "%s: DCR: 0x%04x, DCR2: 0x%04x\n", dev_name(lp->device),
SONIC_READ(SONIC_DCR) & 0xffff, SONIC_READ(SONIC_DCR2) & 0xffff);
#endif
return macsonic_init(dev);
}
-static int __init mac_sonic_probe(struct device *device)
+static int __devinit mac_sonic_probe(struct platform_device *pdev)
{
struct net_device *dev;
struct sonic_local *lp;
int err;
- int i;
dev = alloc_etherdev(sizeof(struct sonic_local));
if (!dev)
return -ENOMEM;
lp = netdev_priv(dev);
- lp->device = device;
- SET_NETDEV_DEV(dev, device);
- SET_MODULE_OWNER(dev);
+ lp->device = &pdev->dev;
+ SET_NETDEV_DEV(dev, &pdev->dev);
+ platform_set_drvdata(pdev, dev);
/* This will catch fatal stuff like -ENOMEM as well as success */
err = mac_onboard_sonic_probe(dev);
if (err)
goto out;
- printk("%s: MAC ", dev->name);
- for (i = 0; i < 6; i++) {
- printk("%2.2x", dev->dev_addr[i]);
- if (i < 5)
- printk(":");
- }
- printk(" IRQ %d\n", dev->irq);
+ printk("%s: MAC %pM IRQ %d\n", dev->name, dev->dev_addr, dev->irq);
return 0;
module_param(sonic_debug, int, 0);
MODULE_PARM_DESC(sonic_debug, "macsonic debug level (1-4)");
-#define SONIC_IRQ_FLAG IRQ_FLG_FAST
-
#include "sonic.c"
-static int __devexit mac_sonic_device_remove (struct device *device)
+static int __devexit mac_sonic_device_remove (struct platform_device *pdev)
{
- struct net_device *dev = device->driver_data;
+ struct net_device *dev = platform_get_drvdata(pdev);
struct sonic_local* lp = netdev_priv(dev);
- unregister_netdev (dev);
+ unregister_netdev(dev);
dma_free_coherent(lp->device, SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode),
lp->descriptors, lp->descriptors_laddr);
- free_netdev (dev);
+ free_netdev(dev);
return 0;
}
-static struct device_driver mac_sonic_driver = {
- .name = mac_sonic_string,
- .bus = &platform_bus_type,
+static struct platform_driver mac_sonic_driver = {
.probe = mac_sonic_probe,
.remove = __devexit_p(mac_sonic_device_remove),
+ .driver = {
+ .name = mac_sonic_string,
+ },
};
-static void mac_sonic_platform_release(struct device *device)
-{
- struct platform_device *pldev;
-
- /* free device */
- pldev = to_platform_device (device);
- kfree (pldev);
-}
-
static int __init mac_sonic_init_module(void)
{
- struct platform_device *pldev;
int err;
- if ((err = driver_register(&mac_sonic_driver))) {
+ if ((err = platform_driver_register(&mac_sonic_driver))) {
printk(KERN_ERR "Driver registration failed\n");
return err;
}
- mac_sonic_device = NULL;
-
- if (!(pldev = kmalloc (sizeof (*pldev), GFP_KERNEL))) {
+ mac_sonic_device = platform_device_alloc(mac_sonic_string, 0);
+ if (!mac_sonic_device)
goto out_unregister;
- }
-
- memset(pldev, 0, sizeof (*pldev));
- pldev->name = mac_sonic_string;
- pldev->id = 0;
- pldev->dev.release = mac_sonic_platform_release;
- mac_sonic_device = pldev;
- if (platform_device_register (pldev)) {
- kfree(pldev);
+ if (platform_device_add(mac_sonic_device)) {
+ platform_device_put(mac_sonic_device);
mac_sonic_device = NULL;
}
return 0;
out_unregister:
- platform_device_unregister(pldev);
+ platform_driver_unregister(&mac_sonic_driver);
return -ENOMEM;
}
static void __exit mac_sonic_cleanup_module(void)
{
- driver_unregister(&mac_sonic_driver);
+ platform_driver_unregister(&mac_sonic_driver);
if (mac_sonic_device) {
platform_device_unregister(mac_sonic_device);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff