*
* adopted from sunlance.c by Richard van den Berg
*
- * Copyright (C) 2002, 2003, 2005 Maciej W. Rozycki
+ * Copyright (C) 2002, 2003, 2005, 2006 Maciej W. Rozycki
*
* additional sources:
* - PMAD-AA TURBOchannel Ethernet Module Functional Specification,
* v0.010: Fixes for the PMAD mapping of the LANCE buffer and for the
* PMAX requirement to only use halfword accesses to the
* buffer. macro
+ *
+ * v0.011: Converted the PMAD to the driver model. macro
*/
#include <linux/crc32.h>
#include <linux/spinlock.h>
#include <linux/stddef.h>
#include <linux/string.h>
+#include <linux/tc.h>
#include <linux/types.h>
#include <asm/addrspace.h>
#include <asm/dec/kn01.h>
#include <asm/dec/machtype.h>
#include <asm/dec/system.h>
-#include <asm/dec/tc.h>
static char version[] __devinitdata =
-"declance.c: v0.010 by Linux MIPS DECstation task force\n";
+"declance.c: v0.011 by Linux MIPS DECstation task force\n";
MODULE_AUTHOR("Linux MIPS DECstation task force");
MODULE_DESCRIPTION("DEC LANCE (DECstation onboard, PMAD-xx) driver");
MODULE_LICENSE("GPL");
+#define __unused __attribute__ ((unused))
+
/*
* card types
*/
struct lance_private {
struct net_device *next;
int type;
- int slot;
int dma_irq;
volatile struct lance_regs *ll;
int dec_lance_debug = 2;
+static struct tc_driver dec_lance_tc_driver;
static struct net_device *root_lance_dev;
static inline void writereg(volatile unsigned short *regptr, short value)
}
lp->stats.rx_bytes += len;
- skb->dev = dev;
skb_reserve(skb, 2); /* 16 byte align */
skb_put(skb, len); /* make room */
/* Kick the lance: transmit now */
writereg(&ll->rdp, LE_C0_INEA | LE_C0_TDMD);
- spin_unlock_irq(&lp->lock);
-
dev->trans_start = jiffies;
dev_kfree_skb(skb);
lance_set_multicast(dev);
}
-static int __init dec_lance_init(const int type, const int slot)
+static int __init dec_lance_probe(struct device *bdev, const int type)
{
static unsigned version_printed;
static const char fmt[] = "declance%d";
struct net_device *dev;
struct lance_private *lp;
volatile struct lance_regs *ll;
+ resource_size_t start = 0, len = 0;
int i, ret;
unsigned long esar_base;
unsigned char *esar;
if (dec_lance_debug && version_printed++ == 0)
printk(version);
- i = 0;
- dev = root_lance_dev;
- while (dev) {
- i++;
- lp = (struct lance_private *)dev->priv;
- dev = lp->next;
+ if (bdev)
+ snprintf(name, sizeof(name), "%s", bdev->bus_id);
+ else {
+ i = 0;
+ dev = root_lance_dev;
+ while (dev) {
+ i++;
+ lp = (struct lance_private *)dev->priv;
+ dev = lp->next;
+ }
+ snprintf(name, sizeof(name), fmt, i);
}
- snprintf(name, sizeof(name), fmt, i);
dev = alloc_etherdev(sizeof(struct lance_private));
if (!dev) {
spin_lock_init(&lp->lock);
lp->type = type;
- lp->slot = slot;
switch (type) {
case ASIC_LANCE:
dev->base_addr = CKSEG1ADDR(dec_kn_slot_base + IOASIC_LANCE);
break;
#ifdef CONFIG_TC
case PMAD_LANCE:
- claim_tc_card(slot);
+ dev_set_drvdata(bdev, dev);
+
+ start = to_tc_dev(bdev)->resource.start;
+ len = to_tc_dev(bdev)->resource.end - start + 1;
+ if (!request_mem_region(start, len, bdev->bus_id)) {
+ printk(KERN_ERR
+ "%s: Unable to reserve MMIO resource\n",
+ bdev->bus_id);
+ ret = -EBUSY;
+ goto err_out_dev;
+ }
- dev->mem_start = CKSEG1ADDR(get_tc_base_addr(slot));
+ dev->mem_start = CKSEG1ADDR(start);
dev->mem_end = dev->mem_start + 0x100000;
dev->base_addr = dev->mem_start + 0x100000;
- dev->irq = get_tc_irq_nr(slot);
+ dev->irq = to_tc_dev(bdev)->interrupt;
esar_base = dev->mem_start + 0x1c0002;
lp->dma_irq = -1;
printk(KERN_ERR "%s: declance_init called with unknown type\n",
name);
ret = -ENODEV;
- goto err_out_free_dev;
+ goto err_out_dev;
}
ll = (struct lance_regs *) dev->base_addr;
"%s: Ethernet station address prom not found!\n",
name);
ret = -ENODEV;
- goto err_out_free_dev;
+ goto err_out_resource;
}
/* Check the prom contents */
for (i = 0; i < 8; i++) {
printk(KERN_ERR "%s: Something is wrong with the "
"ethernet station address prom!\n", name);
ret = -ENODEV;
- goto err_out_free_dev;
+ goto err_out_resource;
}
}
if (ret) {
printk(KERN_ERR
"%s: Unable to register netdev, aborting.\n", name);
- goto err_out_free_dev;
+ goto err_out_resource;
}
- lp->next = root_lance_dev;
- root_lance_dev = dev;
+ if (!bdev) {
+ lp->next = root_lance_dev;
+ root_lance_dev = dev;
+ }
printk("%s: registered as %s.\n", name, dev->name);
return 0;
-err_out_free_dev:
+err_out_resource:
+ if (bdev)
+ release_mem_region(start, len);
+
+err_out_dev:
free_netdev(dev);
err_out:
return ret;
}
+static void __exit dec_lance_remove(struct device *bdev)
+{
+ struct net_device *dev = dev_get_drvdata(bdev);
+ resource_size_t start, len;
+
+ unregister_netdev(dev);
+ start = to_tc_dev(bdev)->resource.start;
+ len = to_tc_dev(bdev)->resource.end - start + 1;
+ release_mem_region(start, len);
+ free_netdev(dev);
+}
/* Find all the lance cards on the system and initialize them */
-static int __init dec_lance_probe(void)
+static int __init dec_lance_platform_probe(void)
{
int count = 0;
- /* Scan slots for PMAD-AA cards first. */
-#ifdef CONFIG_TC
- if (TURBOCHANNEL) {
- int slot;
-
- while ((slot = search_tc_card("PMAD-AA")) >= 0) {
- if (dec_lance_init(PMAD_LANCE, slot) < 0)
- break;
- count++;
- }
- }
-#endif
-
- /* Then handle onboard devices. */
if (dec_interrupt[DEC_IRQ_LANCE] >= 0) {
if (dec_interrupt[DEC_IRQ_LANCE_MERR] >= 0) {
- if (dec_lance_init(ASIC_LANCE, -1) >= 0)
+ if (dec_lance_probe(NULL, ASIC_LANCE) >= 0)
count++;
} else if (!TURBOCHANNEL) {
- if (dec_lance_init(PMAX_LANCE, -1) >= 0)
+ if (dec_lance_probe(NULL, PMAX_LANCE) >= 0)
count++;
}
}
return (count > 0) ? 0 : -ENODEV;
}
-static void __exit dec_lance_cleanup(void)
+static void __exit dec_lance_platform_remove(void)
{
while (root_lance_dev) {
struct net_device *dev = root_lance_dev;
struct lance_private *lp = netdev_priv(dev);
unregister_netdev(dev);
-#ifdef CONFIG_TC
- if (lp->slot >= 0)
- release_tc_card(lp->slot);
-#endif
root_lance_dev = lp->next;
free_netdev(dev);
}
}
-module_init(dec_lance_probe);
-module_exit(dec_lance_cleanup);
+#ifdef CONFIG_TC
+static int __init dec_lance_tc_probe(struct device *dev);
+static int __exit dec_lance_tc_remove(struct device *dev);
+
+static const struct tc_device_id dec_lance_tc_table[] = {
+ { "DEC ", "PMAD-AA " },
+ { }
+};
+MODULE_DEVICE_TABLE(tc, dec_lance_tc_table);
+
+static struct tc_driver dec_lance_tc_driver = {
+ .id_table = dec_lance_tc_table,
+ .driver = {
+ .name = "declance",
+ .bus = &tc_bus_type,
+ .probe = dec_lance_tc_probe,
+ .remove = __exit_p(dec_lance_tc_remove),
+ },
+};
+
+static int __init dec_lance_tc_probe(struct device *dev)
+{
+ int status = dec_lance_probe(dev, PMAD_LANCE);
+ if (!status)
+ get_device(dev);
+ return status;
+}
+
+static int __exit dec_lance_tc_remove(struct device *dev)
+{
+ put_device(dev);
+ dec_lance_remove(dev);
+ return 0;
+}
+#endif
+
+static int __init dec_lance_init(void)
+{
+ int status;
+
+ status = tc_register_driver(&dec_lance_tc_driver);
+ if (!status)
+ dec_lance_platform_probe();
+ return status;
+}
+
+static void __exit dec_lance_exit(void)
+{
+ dec_lance_platform_remove();
+ tc_unregister_driver(&dec_lance_tc_driver);
+}
+
+
+module_init(dec_lance_init);
+module_exit(dec_lance_exit);
projects / linux-drm-fsl-dcu.git / blobdiff