#include <linux/delay.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
+#include <linux/jiffies.h>
+#include <linux/platform_device.h>
#include <asm/system.h>
#include <asm/io.h>
-#if defined(CONFIG_TOSHIBA_RBTX4927) || defined(CONFIG_TOSHIBA_RBTX4938)
-#include <asm/tx4938/rbtx4938.h>
-#endif
-
#include "8390.h"
#define DRV_NAME "ne"
/* Do we support clones that don't adhere to 14,15 of the SAprom ? */
#define SUPPORT_NE_BAD_CLONES
+/* 0xbad = bad sig or no reset ack */
+#define BAD 0xbad
+
+#define MAX_NE_CARDS 4 /* Max number of NE cards per module */
+static struct platform_device *pdev_ne[MAX_NE_CARDS];
+static int io[MAX_NE_CARDS];
+static int irq[MAX_NE_CARDS];
+static int bad[MAX_NE_CARDS];
+
+#ifdef MODULE
+module_param_array(io, int, NULL, 0);
+module_param_array(irq, int, NULL, 0);
+module_param_array(bad, int, NULL, 0);
+MODULE_PARM_DESC(io, "I/O base address(es),required");
+MODULE_PARM_DESC(irq, "IRQ number(s)");
+MODULE_PARM_DESC(bad, "Accept card(s) with bad signatures");
+MODULE_DESCRIPTION("NE1000/NE2000 ISA/PnP Ethernet driver");
+MODULE_LICENSE("GPL");
+#endif /* MODULE */
/* Do we perform extra sanity checks on stuff ? */
/* #define NE_SANITY_CHECK */
/* Do we have a non std. amount of memory? (in units of 256 byte pages) */
/* #define PACKETBUF_MEMSIZE 0x40 */
+/* This is set up so that no ISA autoprobe takes place. We can't guarantee
+that the ne2k probe is the last 8390 based probe to take place (as it
+is at boot) and so the probe will get confused by any other 8390 cards.
+ISA device autoprobes on a running machine are not recommended anyway. */
+#if !defined(MODULE) && (defined(CONFIG_ISA) || defined(CONFIG_M32R))
+/* Do we need a portlist for the ISA auto-probe ? */
+#define NEEDS_PORTLIST
+#endif
+
/* A zero-terminated list of I/O addresses to be probed at boot. */
-#ifndef MODULE
+#ifdef NEEDS_PORTLIST
static unsigned int netcard_portlist[] __initdata = {
0x300, 0x280, 0x320, 0x340, 0x360, 0x380, 0
};
{"E-LAN100", "E-LAN200", {0x00, 0x00, 0x5d}}, /* Broken ne1000 clones */
{"PCM-4823", "PCM-4823", {0x00, 0xc0, 0x6c}}, /* Broken Advantech MoBo */
{"REALTEK", "RTL8019", {0x00, 0x00, 0xe8}}, /* no-name with Realtek chip */
-#if defined(CONFIG_TOSHIBA_RBTX4927) || defined(CONFIG_TOSHIBA_RBTX4938)
- {"RBHMA4X00-RTL8019", "RBHMA4X00/RTL8019", {0x00, 0x60, 0x0a}}, /* Toshiba built-in */
+#ifdef CONFIG_MACH_TX49XX
+ {"RBHMA4X00-RTL8019", "RBHMA4X00-RTL8019", {0x00, 0x60, 0x0a}}, /* Toshiba built-in */
#endif
{"LCS-8834", "LCS-8836", {0x04, 0x04, 0x37}}, /* ShinyNet (SET) */
{NULL,}
#if defined(CONFIG_PLAT_MAPPI)
# define DCR_VAL 0x4b
-#elif defined(CONFIG_PLAT_OAKS32R)
-# define DCR_VAL 0x48
+#elif defined(CONFIG_PLAT_OAKS32R) || \
+ defined(CONFIG_MACH_TX49XX)
+# define DCR_VAL 0x48 /* 8-bit mode */
#else
# define DCR_VAL 0x49
#endif
-static int ne_probe1(struct net_device *dev, int ioaddr);
+static int ne_probe1(struct net_device *dev, unsigned long ioaddr);
static int ne_probe_isapnp(struct net_device *dev);
-static int ne_open(struct net_device *dev);
-static int ne_close(struct net_device *dev);
-
static void ne_reset_8390(struct net_device *dev);
static void ne_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr,
int ring_page);
static void ne_block_output(struct net_device *dev, const int count,
const unsigned char *buf, const int start_page);
-\f
+
/* Probe for various non-shared-memory ethercards.
NEx000-clone boards have a Station Address PROM (SAPROM) in the packet
static int __init do_ne_probe(struct net_device *dev)
{
- unsigned int base_addr = dev->base_addr;
-#ifndef MODULE
+ unsigned long base_addr = dev->base_addr;
+#ifdef NEEDS_PORTLIST
int orig_irq = dev->irq;
#endif
- SET_MODULE_OWNER(dev);
-
/* First check any supplied i/o locations. User knows best. <cough> */
- if (base_addr > 0x1ff) /* Check a single specified location. */
- return ne_probe1(dev, base_addr);
+ if (base_addr > 0x1ff) { /* Check a single specified location. */
+ int ret = ne_probe1(dev, base_addr);
+ if (ret)
+ printk(KERN_WARNING "ne.c: No NE*000 card found at "
+ "i/o = %#lx\n", base_addr);
+ return ret;
+ }
else if (base_addr != 0) /* Don't probe at all. */
return -ENXIO;
if (isapnp_present() && (ne_probe_isapnp(dev) == 0))
return 0;
-#ifndef MODULE
+#ifdef NEEDS_PORTLIST
/* Last resort. The semi-risky ISA auto-probe. */
for (base_addr = 0; netcard_portlist[base_addr] != 0; base_addr++) {
int ioaddr = netcard_portlist[base_addr];
return -ENODEV;
}
-static void cleanup_card(struct net_device *dev)
-{
- struct pnp_dev *idev = (struct pnp_dev *)ei_status.priv;
- if (idev)
- pnp_device_detach(idev);
- free_irq(dev->irq, dev);
- release_region(dev->base_addr, NE_IO_EXTENT);
-}
-
-#ifndef MODULE
-struct net_device * __init ne_probe(int unit)
-{
- struct net_device *dev = alloc_ei_netdev();
- int err;
-
- if (!dev)
- return ERR_PTR(-ENOMEM);
-
- sprintf(dev->name, "eth%d", unit);
- netdev_boot_setup_check(dev);
-
-#ifdef CONFIG_TOSHIBA_RBTX4938
- dev->base_addr = 0x07f20280;
- dev->irq = RBTX4938_RTL_8019_IRQ;
-#endif
- err = do_ne_probe(dev);
- if (err)
- goto out;
- return dev;
-out:
- free_netdev(dev);
- return ERR_PTR(err);
-}
-#endif
-
static int __init ne_probe_isapnp(struct net_device *dev)
{
int i;
return -ENODEV;
}
-static int __init ne_probe1(struct net_device *dev, int ioaddr)
+static int __init ne_probe1(struct net_device *dev, unsigned long ioaddr)
{
int i;
unsigned char SA_prom[32];
}
if (ei_debug && version_printed++ == 0)
- printk(KERN_INFO "%s" KERN_INFO "%s", version1, version2);
+ printk(KERN_INFO "%s%s", version1, version2);
- printk(KERN_INFO "NE*000 ethercard probe at %#3x:", ioaddr);
+ printk(KERN_INFO "NE*000 ethercard probe at %#3lx:", ioaddr);
/* A user with a poor card that fails to ack the reset, or that
does not have a valid 0x57,0x57 signature can still use this
with an otherwise unused dev->mem_end value of "0xBAD" will
cause the driver to skip these parts of the probe. */
- bad_card = ((dev->base_addr != 0) && (dev->mem_end == 0xbad));
+ bad_card = ((dev->base_addr != 0) && (dev->mem_end == BAD));
/* Reset card. Who knows what dain-bramaged state it was left in. */
outb(inb(ioaddr + NE_RESET), ioaddr + NE_RESET);
while ((inb_p(ioaddr + EN0_ISR) & ENISR_RESET) == 0)
- if (jiffies - reset_start_time > 2*HZ/100) {
+ if (time_after(jiffies, reset_start_time + 2*HZ/100)) {
if (bad_card) {
printk(" (warning: no reset ack)");
break;
}
/* Read the 16 bytes of station address PROM.
- We must first initialize registers, similar to NS8390_init(eifdev, 0).
+ We must first initialize registers, similar to NS8390p_init(eifdev, 0).
We can't reliably read the SAPROM address without this.
(I learned the hard way!). */
{
{E8390_RREAD+E8390_START, E8390_CMD},
};
- for (i = 0; i < sizeof(program_seq)/sizeof(program_seq[0]); i++)
+ for (i = 0; i < ARRAY_SIZE(program_seq); i++)
outb_p(program_seq[i].value, ioaddr + program_seq[i].offset);
}
/* We must set the 8390 for word mode. */
outb_p(DCR_VAL, ioaddr + EN0_DCFG);
start_page = NESM_START_PG;
- stop_page = NESM_STOP_PG;
+
+ /*
+ * Realtek RTL8019AS datasheet says that the PSTOP register
+ * shouldn't exceed 0x60 in 8-bit mode.
+ * This chip can be identified by reading the signature from
+ * the remote byte count registers (otherwise write-only)...
+ */
+ if ((DCR_VAL & 0x01) == 0 && /* 8-bit mode */
+ inb(ioaddr + EN0_RCNTLO) == 0x50 &&
+ inb(ioaddr + EN0_RCNTHI) == 0x70)
+ stop_page = 0x60;
+ else
+ stop_page = NESM_STOP_PG;
} else {
start_page = NE1SM_START_PG;
- stop_page = NE1SM_STOP_PG;
+ stop_page = NE1SM_STOP_PG;
}
#if defined(CONFIG_PLAT_MAPPI) || defined(CONFIG_PLAT_OAKS32R)
/* Snarf the interrupt now. There's no point in waiting since we cannot
share and the board will usually be enabled. */
- ret = request_irq(dev->irq, ei_interrupt, 0, name, dev);
+ ret = request_irq(dev->irq, eip_interrupt, 0, name, dev);
if (ret) {
printk (" unable to get IRQ %d (errno=%d).\n", dev->irq, ret);
goto err_out;
for (i = 0 ; i < ETHER_ADDR_LEN ; i++) {
dev->dev_addr[i] = SA_prom[i]
= inb_p(ioaddr + EN1_PHYS_SHIFT(i));
- printk(" %2.2x", SA_prom[i]);
}
#else
for(i = 0; i < ETHER_ADDR_LEN; i++) {
- printk(" %2.2x", SA_prom[i]);
dev->dev_addr[i] = SA_prom[i];
}
#endif
- printk("\n%s: %s found at %#x, using IRQ %d.\n",
- dev->name, name, ioaddr, dev->irq);
+ printk("%pM\n", dev->dev_addr);
ei_status.name = name;
ei_status.tx_start_page = start_page;
ei_status.stop_page = stop_page;
-#if defined(CONFIG_TOSHIBA_RBTX4927) || defined(CONFIG_TOSHIBA_RBTX4938)
- wordlength = 1;
-#endif
-#ifdef CONFIG_PLAT_OAKS32R
- ei_status.word16 = 0;
-#else
- ei_status.word16 = (wordlength == 2);
-#endif
+ /* Use 16-bit mode only if this wasn't overridden by DCR_VAL */
+ ei_status.word16 = (wordlength == 2 && (DCR_VAL & 0x01));
ei_status.rx_start_page = start_page + TX_PAGES;
#ifdef PACKETBUF_MEMSIZE
ei_status.block_output = &ne_block_output;
ei_status.get_8390_hdr = &ne_get_8390_hdr;
ei_status.priv = 0;
- dev->open = &ne_open;
- dev->stop = &ne_close;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- dev->poll_controller = ei_poll;
-#endif
- NS8390_init(dev, 0);
+
+ dev->netdev_ops = &eip_netdev_ops;
+ NS8390p_init(dev, 0);
ret = register_netdev(dev);
if (ret)
goto out_irq;
+ printk(KERN_INFO "%s: %s found at %#lx, using IRQ %d.\n",
+ dev->name, name, ioaddr, dev->irq);
return 0;
out_irq:
return ret;
}
-static int ne_open(struct net_device *dev)
-{
- ei_open(dev);
- return 0;
-}
-
-static int ne_close(struct net_device *dev)
-{
- if (ei_debug > 1)
- printk(KERN_DEBUG "%s: Shutting down ethercard.\n", dev->name);
- ei_close(dev);
- return 0;
-}
-
/* Hard reset the card. This used to pause for the same period that a
8390 reset command required, but that shouldn't be necessary. */
/* This check _should_not_ be necessary, omit eventually. */
while ((inb_p(NE_BASE+EN0_ISR) & ENISR_RESET) == 0)
- if (jiffies - reset_start_time > 2*HZ/100) {
+ if (time_after(jiffies, reset_start_time + 2*HZ/100)) {
printk(KERN_WARNING "%s: ne_reset_8390() did not complete.\n", dev->name);
break;
}
#endif
while ((inb_p(nic_base + EN0_ISR) & ENISR_RDC) == 0)
- if (jiffies - dma_start > 2*HZ/100) { /* 20ms */
+ if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */
printk(KERN_WARNING "%s: timeout waiting for Tx RDC.\n", dev->name);
ne_reset_8390(dev);
- NS8390_init(dev,1);
+ NS8390p_init(dev, 1);
break;
}
outb_p(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
ei_status.dmaing &= ~0x01;
- return;
}
-\f
-#ifdef MODULE
-#define MAX_NE_CARDS 4 /* Max number of NE cards per module */
-static struct net_device *dev_ne[MAX_NE_CARDS];
-static int io[MAX_NE_CARDS];
-static int irq[MAX_NE_CARDS];
-static int bad[MAX_NE_CARDS]; /* 0xbad = bad sig or no reset ack */
+static int __init ne_drv_probe(struct platform_device *pdev)
+{
+ struct net_device *dev;
+ int err, this_dev = pdev->id;
+ struct resource *res;
-module_param_array(io, int, NULL, 0);
-module_param_array(irq, int, NULL, 0);
-module_param_array(bad, int, NULL, 0);
-MODULE_PARM_DESC(io, "I/O base address(es),required");
-MODULE_PARM_DESC(irq, "IRQ number(s)");
-MODULE_PARM_DESC(bad, "Accept card(s) with bad signatures");
-MODULE_DESCRIPTION("NE1000/NE2000 ISA/PnP Ethernet driver");
-MODULE_LICENSE("GPL");
+ dev = alloc_eip_netdev();
+ if (!dev)
+ return -ENOMEM;
+
+ /* ne.c doesn't populate resources in platform_device, but
+ * rbtx4927_ne_init and rbtx4938_ne_init do register devices
+ * with resources.
+ */
+ res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ if (res) {
+ dev->base_addr = res->start;
+ dev->irq = platform_get_irq(pdev, 0);
+ } else {
+ if (this_dev < 0 || this_dev >= MAX_NE_CARDS)
+ return -EINVAL;
+ dev->base_addr = io[this_dev];
+ dev->irq = irq[this_dev];
+ dev->mem_end = bad[this_dev];
+ }
+ err = do_ne_probe(dev);
+ if (err) {
+ free_netdev(dev);
+ return err;
+ }
+ platform_set_drvdata(pdev, dev);
+
+ /* Update with any values found by probing, don't update if
+ * resources were specified.
+ */
+ if (!res) {
+ io[this_dev] = dev->base_addr;
+ irq[this_dev] = dev->irq;
+ }
+ return 0;
+}
-/* This is set up so that no ISA autoprobe takes place. We can't guarantee
-that the ne2k probe is the last 8390 based probe to take place (as it
-is at boot) and so the probe will get confused by any other 8390 cards.
-ISA device autoprobes on a running machine are not recommended anyway. */
+static int ne_drv_remove(struct platform_device *pdev)
+{
+ struct net_device *dev = platform_get_drvdata(pdev);
+
+ if (dev) {
+ struct pnp_dev *idev = (struct pnp_dev *)ei_status.priv;
+ netif_device_detach(dev);
+ unregister_netdev(dev);
+ if (idev)
+ pnp_device_detach(idev);
+ /* Careful ne_drv_remove can be called twice, once from
+ * the platform_driver.remove and again when the
+ * platform_device is being removed.
+ */
+ ei_status.priv = 0;
+ free_irq(dev->irq, dev);
+ release_region(dev->base_addr, NE_IO_EXTENT);
+ free_netdev(dev);
+ platform_set_drvdata(pdev, NULL);
+ }
+ return 0;
+}
+
+/* Remove unused devices or all if true. */
+static void ne_loop_rm_unreg(int all)
+{
+ int this_dev;
+ struct platform_device *pdev;
+ for (this_dev = 0; this_dev < MAX_NE_CARDS; this_dev++) {
+ pdev = pdev_ne[this_dev];
+ /* No network device == unused */
+ if (pdev && (!platform_get_drvdata(pdev) || all)) {
+ ne_drv_remove(pdev);
+ platform_device_unregister(pdev);
+ pdev_ne[this_dev] = NULL;
+ }
+ }
+}
+
+#ifdef CONFIG_PM
+static int ne_drv_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct net_device *dev = platform_get_drvdata(pdev);
+
+ if (netif_running(dev)) {
+ struct pnp_dev *idev = (struct pnp_dev *)ei_status.priv;
+ netif_device_detach(dev);
+ if (idev)
+ pnp_stop_dev(idev);
+ }
+ return 0;
+}
+
+static int ne_drv_resume(struct platform_device *pdev)
+{
+ struct net_device *dev = platform_get_drvdata(pdev);
+
+ if (netif_running(dev)) {
+ struct pnp_dev *idev = (struct pnp_dev *)ei_status.priv;
+ if (idev)
+ pnp_start_dev(idev);
+ ne_reset_8390(dev);
+ NS8390p_init(dev, 1);
+ netif_device_attach(dev);
+ }
+ return 0;
+}
+#else
+#define ne_drv_suspend NULL
+#define ne_drv_resume NULL
+#endif
+
+static struct platform_driver ne_driver = {
+ .remove = ne_drv_remove,
+ .suspend = ne_drv_suspend,
+ .resume = ne_drv_resume,
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ },
+};
-int init_module(void)
+static void __init ne_add_devices(void)
{
- int this_dev, found = 0;
+ int this_dev;
+ struct platform_device *pdev;
for (this_dev = 0; this_dev < MAX_NE_CARDS; this_dev++) {
- struct net_device *dev = alloc_ei_netdev();
- if (!dev)
- break;
- dev->irq = irq[this_dev];
- dev->mem_end = bad[this_dev];
- dev->base_addr = io[this_dev];
- if (do_ne_probe(dev) == 0) {
- dev_ne[found++] = dev;
+ if (pdev_ne[this_dev])
continue;
- }
- free_netdev(dev);
- if (found)
- break;
- if (io[this_dev] != 0)
- printk(KERN_WARNING "ne.c: No NE*000 card found at i/o = %#x\n", io[this_dev]);
- else
- printk(KERN_NOTICE "ne.c: You must supply \"io=0xNNN\" value(s) for ISA cards.\n");
- return -ENXIO;
+ pdev = platform_device_register_simple(
+ DRV_NAME, this_dev, NULL, 0);
+ if (IS_ERR(pdev))
+ continue;
+ pdev_ne[this_dev] = pdev;
}
- if (found)
- return 0;
- return -ENODEV;
}
-void cleanup_module(void)
+#ifdef MODULE
+int __init init_module(void)
+{
+ int retval;
+ ne_add_devices();
+ retval = platform_driver_probe(&ne_driver, ne_drv_probe);
+ if (retval) {
+ if (io[0] == 0)
+ printk(KERN_NOTICE "ne.c: You must supply \"io=0xNNN\""
+ " value(s) for ISA cards.\n");
+ ne_loop_rm_unreg(1);
+ return retval;
+ }
+
+ /* Unregister unused platform_devices. */
+ ne_loop_rm_unreg(0);
+ return retval;
+}
+#else /* MODULE */
+static int __init ne_init(void)
+{
+ int retval = platform_driver_probe(&ne_driver, ne_drv_probe);
+
+ /* Unregister unused platform_devices. */
+ ne_loop_rm_unreg(0);
+ return retval;
+}
+module_init(ne_init);
+
+struct net_device * __init ne_probe(int unit)
{
int this_dev;
+ struct net_device *dev;
+
+ /* Find an empty slot, that is no net_device and zero io port. */
+ this_dev = 0;
+ while ((pdev_ne[this_dev] && platform_get_drvdata(pdev_ne[this_dev])) ||
+ io[this_dev]) {
+ if (++this_dev == MAX_NE_CARDS)
+ return ERR_PTR(-ENOMEM);
+ }
+ /* Get irq, io from kernel command line */
+ dev = alloc_eip_netdev();
+ if (!dev)
+ return ERR_PTR(-ENOMEM);
+
+ sprintf(dev->name, "eth%d", unit);
+ netdev_boot_setup_check(dev);
+
+ io[this_dev] = dev->base_addr;
+ irq[this_dev] = dev->irq;
+ bad[this_dev] = dev->mem_end;
+
+ free_netdev(dev);
+
+ ne_add_devices();
+
+ /* return the first device found */
for (this_dev = 0; this_dev < MAX_NE_CARDS; this_dev++) {
- struct net_device *dev = dev_ne[this_dev];
- if (dev) {
- unregister_netdev(dev);
- cleanup_card(dev);
- free_netdev(dev);
+ if (pdev_ne[this_dev]) {
+ dev = platform_get_drvdata(pdev_ne[this_dev]);
+ if (dev)
+ return dev;
}
}
+
+ return ERR_PTR(-ENODEV);
}
#endif /* MODULE */
+
+static void __exit ne_exit(void)
+{
+ platform_driver_unregister(&ne_driver);
+ ne_loop_rm_unreg(1);
+}
+module_exit(ne_exit);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff