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Subject[PATCH 403] Amiga A2065 Ethernet new driver model
A2065 Ethernet: Convert to the new driver model

--- linux-2.6.3/drivers/net/a2065.c 2004-02-08 10:19:29.000000000 +0100
+++ linux-m68k-2.6.3/drivers/net/a2065.c 2004-02-08 11:51:15.000000000 +0100
@@ -1,7 +1,7 @@
/*
* Amiga Linux/68k A2065 Ethernet Driver
*
- * (C) Copyright 1995 by Geert Uytterhoeven <geert@linux-m68k.org>
+ * (C) Copyright 1995-2003 by Geert Uytterhoeven <geert@linux-m68k.org>
*
* Fixes and tips by:
* - Janos Farkas (CHEXUM@sparta.banki.hu)
@@ -130,14 +130,8 @@
int burst_sizes; /* ledma SBus burst sizes */
#endif
struct timer_list multicast_timer;
- struct net_device *dev; /* Backpointer */
- struct lance_private *next_module;
};

-#ifdef MODULE
-static struct lance_private *root_a2065_dev;
-#endif
-
#define TX_BUFFS_AVAIL ((lp->tx_old<=lp->tx_new)?\
lp->tx_old+lp->tx_ring_mod_mask-lp->tx_new:\
lp->tx_old - lp->tx_new-1)
@@ -704,133 +698,141 @@
netif_wake_queue(dev);
}

-static int __init a2065_probe(void)
+static int __devinit a2065_init_one(struct zorro_dev *z,
+ const struct zorro_device_id *ent);
+static void __devexit a2065_remove_one(struct zorro_dev *z);
+
+
+static struct zorro_device_id a2065_zorro_tbl[] __devinitdata = {
+ { ZORRO_PROD_CBM_A2065_1 },
+ { ZORRO_PROD_CBM_A2065_2 },
+ { ZORRO_PROD_AMERISTAR_A2065 },
+ { 0 }
+};
+
+static struct zorro_driver a2065_driver = {
+ .name = "a2065",
+ .id_table = a2065_zorro_tbl,
+ .probe = a2065_init_one,
+ .remove = __devexit_p(a2065_remove_one),
+};
+
+static int __devinit a2065_init_one(struct zorro_dev *z,
+ const struct zorro_device_id *ent)
{
- struct zorro_dev *z = NULL;
struct net_device *dev;
struct lance_private *priv;
- int res = -ENODEV;
-
- while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {
- unsigned long board, base_addr, mem_start;
- struct resource *r1, *r2;
- int is_cbm;
-
- if (z->id == ZORRO_PROD_CBM_A2065_1 ||
- z->id == ZORRO_PROD_CBM_A2065_2)
- is_cbm = 1;
- else if (z->id == ZORRO_PROD_AMERISTAR_A2065)
- is_cbm = 0;
- else
- continue;
-
- board = z->resource.start;
- base_addr = board+A2065_LANCE;
- mem_start = board+A2065_RAM;
-
- r1 = request_mem_region(base_addr, sizeof(struct lance_regs),
- "Am7990");
- if (!r1) continue;
- r2 = request_mem_region(mem_start, A2065_RAM_SIZE, "RAM");
- if (!r2) {
- release_resource(r1);
- continue;
- }
+ unsigned long board, base_addr, mem_start;
+ struct resource *r1, *r2;
+ int err;
+
+ board = z->resource.start;
+ base_addr = board+A2065_LANCE;
+ mem_start = board+A2065_RAM;
+
+ r1 = request_mem_region(base_addr, sizeof(struct lance_regs),
+ "Am7990");
+ if (!r1)
+ return -EBUSY;
+ r2 = request_mem_region(mem_start, A2065_RAM_SIZE, "RAM");
+ if (!r2) {
+ release_resource(r1);
+ return -EBUSY;
+ }
+
+ dev = alloc_etherdev(sizeof(struct lance_private));
+ if (dev == NULL) {
+ release_resource(r1);
+ release_resource(r2);
+ return -ENOMEM;
+ }
+
+ SET_MODULE_OWNER(dev);
+ priv = dev->priv;
+
+ r1->name = dev->name;
+ r2->name = dev->name;
+
+ dev->dev_addr[0] = 0x00;
+ if (z->id != ZORRO_PROD_AMERISTAR_A2065) { /* Commodore */
+ dev->dev_addr[1] = 0x80;
+ dev->dev_addr[2] = 0x10;
+ } else { /* Ameristar */
+ dev->dev_addr[1] = 0x00;
+ dev->dev_addr[2] = 0x9f;
+ }
+ dev->dev_addr[3] = (z->rom.er_SerialNumber>>16) & 0xff;
+ dev->dev_addr[4] = (z->rom.er_SerialNumber>>8) & 0xff;
+ dev->dev_addr[5] = z->rom.er_SerialNumber & 0xff;
+ printk("%s: A2065 at 0x%08lx, Ethernet Address "
+ "%02x:%02x:%02x:%02x:%02x:%02x\n", dev->name, board,
+ dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
+ dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+
+ dev->base_addr = ZTWO_VADDR(base_addr);
+ dev->mem_start = ZTWO_VADDR(mem_start);
+ dev->mem_end = dev->mem_start+A2065_RAM_SIZE;
+
+ priv->ll = (volatile struct lance_regs *)dev->base_addr;
+ priv->init_block = (struct lance_init_block *)dev->mem_start;
+ priv->lance_init_block = (struct lance_init_block *)A2065_RAM;
+ priv->auto_select = 0;
+ priv->busmaster_regval = LE_C3_BSWP;
+
+ priv->lance_log_rx_bufs = LANCE_LOG_RX_BUFFERS;
+ priv->lance_log_tx_bufs = LANCE_LOG_TX_BUFFERS;
+ priv->rx_ring_mod_mask = RX_RING_MOD_MASK;
+ priv->tx_ring_mod_mask = TX_RING_MOD_MASK;
+
+ dev->open = &lance_open;
+ dev->stop = &lance_close;
+ dev->hard_start_xmit = &lance_start_xmit;
+ dev->tx_timeout = &lance_tx_timeout;
+ dev->watchdog_timeo = 5*HZ;
+ dev->get_stats = &lance_get_stats;
+ dev->set_multicast_list = &lance_set_multicast;
+ dev->dma = 0;
+
+ init_timer(&priv->multicast_timer);
+ priv->multicast_timer.data = (unsigned long) dev;
+ priv->multicast_timer.function =
+ (void (*)(unsigned long)) &lance_set_multicast;
+
+ err = register_netdev(dev);
+ if (err) {
+ release_resource(r1);
+ release_resource(r2);
+ free_netdev(dev);
+ return err;
+ }
+ zorro_set_drvdata(z, dev);

- dev = alloc_etherdev(sizeof(struct lance_private));
+ return 0;
+}

- if (dev == NULL) {
- release_resource(r1);
- release_resource(r2);
- return -ENOMEM;
- }
- SET_MODULE_OWNER(dev);
- priv = dev->priv;

- r1->name = dev->name;
- r2->name = dev->name;
+static void __devexit a2065_remove_one(struct zorro_dev *z)
+{
+ struct net_device *dev = zorro_get_drvdata(z);

- priv->dev = dev;
- dev->dev_addr[0] = 0x00;
- if (is_cbm) { /* Commodore */
- dev->dev_addr[1] = 0x80;
- dev->dev_addr[2] = 0x10;
- } else { /* Ameristar */
- dev->dev_addr[1] = 0x00;
- dev->dev_addr[2] = 0x9f;
- }
- dev->dev_addr[3] = (z->rom.er_SerialNumber>>16) & 0xff;
- dev->dev_addr[4] = (z->rom.er_SerialNumber>>8) & 0xff;
- dev->dev_addr[5] = z->rom.er_SerialNumber & 0xff;
- printk("%s: A2065 at 0x%08lx, Ethernet Address "
- "%02x:%02x:%02x:%02x:%02x:%02x\n", dev->name, board,
- dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
- dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
-
- dev->base_addr = ZTWO_VADDR(base_addr);
- dev->mem_start = ZTWO_VADDR(mem_start);
- dev->mem_end = dev->mem_start+A2065_RAM_SIZE;
-
- priv->ll = (volatile struct lance_regs *)dev->base_addr;
- priv->init_block = (struct lance_init_block *)dev->mem_start;
- priv->lance_init_block = (struct lance_init_block *)A2065_RAM;
- priv->auto_select = 0;
- priv->busmaster_regval = LE_C3_BSWP;
-
- priv->lance_log_rx_bufs = LANCE_LOG_RX_BUFFERS;
- priv->lance_log_tx_bufs = LANCE_LOG_TX_BUFFERS;
- priv->rx_ring_mod_mask = RX_RING_MOD_MASK;
- priv->tx_ring_mod_mask = TX_RING_MOD_MASK;
-
- dev->open = &lance_open;
- dev->stop = &lance_close;
- dev->hard_start_xmit = &lance_start_xmit;
- dev->tx_timeout = &lance_tx_timeout;
- dev->watchdog_timeo = 5*HZ;
- dev->get_stats = &lance_get_stats;
- dev->set_multicast_list = &lance_set_multicast;
- dev->dma = 0;
-
- init_timer(&priv->multicast_timer);
- priv->multicast_timer.data = (unsigned long) dev;
- priv->multicast_timer.function =
- (void (*)(unsigned long)) &lance_set_multicast;
-
- res = register_netdev(dev);
- if (res) {
- release_resource(r1);
- release_resource(r2);
- free_netdev(dev);
- break;
- }
-#ifdef MODULE
- priv->next_module = root_a2065_dev;
- root_a2065_dev = priv;
-#endif
- }
- return res;
+ unregister_netdev(dev);
+ release_mem_region(ZTWO_PADDR(dev->base_addr),
+ sizeof(struct lance_regs));
+ release_mem_region(ZTWO_PADDR(dev->mem_start), A2065_RAM_SIZE);
+ free_netdev(dev);
}

-
-static void __exit a2065_cleanup(void)
+static int __init a2065_init_module(void)
{
-#ifdef MODULE
- struct lance_private *next;
- struct net_device *dev;
+ return zorro_module_init(&a2065_driver);
+}

- while (root_a2065_dev) {
- next = root_a2065_dev->next_module;
- dev = root_a2065_dev->dev;
- unregister_netdev(dev);
- release_mem_region(ZTWO_PADDR(dev->base_addr),
- sizeof(struct lance_regs));
- release_mem_region(ZTWO_PADDR(dev->mem_start), A2065_RAM_SIZE);
- free_netdev(dev);
- root_a2065_dev = next;
- }
-#endif
+static void __exit a2065_cleanup_module(void)
+{
+ zorro_unregister_driver(&a2065_driver);
}

-module_init(a2065_probe);
-module_exit(a2065_cleanup);
+module_init(a2065_init_module);
+module_exit(a2065_cleanup_module);
+
MODULE_LICENSE("GPL");
Gr{oetje,eeting}s,
Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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