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authorDavid S. Miller <davem@sunset.davemloft.net>2006-06-23 18:21:02 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-06-23 23:15:58 -0700
commit050bbb196392b9c178f82b1205a23dd2f915ee93 (patch)
tree7558fc040ea5cfedefd56f0e5412b15ee23d8228 /drivers/net/sunhme.c
parent9e326acf567b605cf4177081cc7367c24ec10a66 (diff)
[NET] sunhme: Convert to new SBUS driver framework.
And make it a real PCI driver too. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/sunhme.c')
-rw-r--r--drivers/net/sunhme.c360
1 files changed, 187 insertions, 173 deletions
diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c
index 9f4367e2aa0..ec51f397e1e 100644
--- a/drivers/net/sunhme.c
+++ b/drivers/net/sunhme.c
@@ -1,9 +1,9 @@
-/* $Id: sunhme.c,v 1.124 2002/01/15 06:25:51 davem Exp $
- * sunhme.c: Sparc HME/BigMac 10/100baseT half/full duplex auto switching,
+/* sunhme.c: Sparc HME/BigMac 10/100baseT half/full duplex auto switching,
* auto carrier detecting ethernet driver. Also known as the
* "Happy Meal Ethernet" found on SunSwift SBUS cards.
*
- * Copyright (C) 1996, 1998, 1999, 2002, 2003 David S. Miller (davem@redhat.com)
+ * Copyright (C) 1996, 1998, 1999, 2002, 2003,
+ 2006 David S. Miller (davem@davemloft.net)
*
* Changes :
* 2000/11/11 Willy Tarreau <willy AT meta-x.org>
@@ -47,9 +47,6 @@
#include <asm/oplib.h>
#include <asm/prom.h>
#include <asm/auxio.h>
-#ifndef CONFIG_SPARC64
-#include <asm/io-unit.h>
-#endif
#endif
#include <asm/uaccess.h>
@@ -66,9 +63,9 @@
#include "sunhme.h"
#define DRV_NAME "sunhme"
-#define DRV_VERSION "2.02"
-#define DRV_RELDATE "8/24/03"
-#define DRV_AUTHOR "David S. Miller (davem@redhat.com)"
+#define DRV_VERSION "3.00"
+#define DRV_RELDATE "June 23, 2006"
+#define DRV_AUTHOR "David S. Miller (davem@davemloft.net)"
static char version[] =
DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " " DRV_AUTHOR "\n";
@@ -84,8 +81,6 @@ static int macaddr[6];
module_param_array(macaddr, int, NULL, 0);
MODULE_PARM_DESC(macaddr, "Happy Meal MAC address to set");
-static struct happy_meal *root_happy_dev;
-
#ifdef CONFIG_SBUS
static struct quattro *qfe_sbus_list;
#endif
@@ -182,26 +177,6 @@ static __inline__ void tx_dump_ring(struct happy_meal *hp)
#define DEFAULT_IPG2 4 /* For all modes */
#define DEFAULT_JAMSIZE 4 /* Toe jam */
-#if defined(CONFIG_PCI) && defined(MODULE)
-/* This happy_pci_ids is declared __initdata because it is only used
- as an advisory to depmod. If this is ported to the new PCI interface
- where it could be referenced at any time due to hot plugging,
- the __initdata reference should be removed. */
-
-static struct pci_device_id happymeal_pci_ids[] = {
- {
- .vendor = PCI_VENDOR_ID_SUN,
- .device = PCI_DEVICE_ID_SUN_HAPPYMEAL,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- },
- { } /* Terminating entry */
-};
-
-MODULE_DEVICE_TABLE(pci, happymeal_pci_ids);
-
-#endif
-
/* NOTE: In the descriptor writes one _must_ write the address
* member _first_. The card must not be allowed to see
* the updated descriptor flags until the address is
@@ -2656,6 +2631,17 @@ static void __init quattro_sbus_register_irqs(void)
}
}
}
+
+static void __devexit quattro_sbus_free_irqs(void)
+{
+ struct quattro *qp;
+
+ for (qp = qfe_sbus_list; qp != NULL; qp = qp->next) {
+ struct sbus_dev *sdev = qp->quattro_dev;
+
+ free_irq(sdev->irqs[0], qp);
+ }
+}
#endif /* CONFIG_SBUS */
#ifdef CONFIG_PCI
@@ -2690,8 +2676,9 @@ static struct quattro * __init quattro_pci_find(struct pci_dev *pdev)
#endif /* CONFIG_PCI */
#ifdef CONFIG_SBUS
-static int __init happy_meal_sbus_init(struct sbus_dev *sdev, int is_qfe)
+static int __init happy_meal_sbus_probe_one(struct sbus_dev *sdev, int is_qfe)
{
+ struct device_node *dp = sdev->ofdev.node;
struct quattro *qp = NULL;
struct happy_meal *hp;
struct net_device *dev;
@@ -2714,6 +2701,7 @@ static int __init happy_meal_sbus_init(struct sbus_dev *sdev, int is_qfe)
if (!dev)
goto err_out;
SET_MODULE_OWNER(dev);
+ SET_NETDEV_DEV(dev, &sdev->ofdev.dev);
if (hme_version_printed++ == 0)
printk(KERN_INFO "%s", version);
@@ -2729,13 +2717,16 @@ static int __init happy_meal_sbus_init(struct sbus_dev *sdev, int is_qfe)
for (i = 0; i < 6; i++)
dev->dev_addr[i] = macaddr[i];
macaddr[5]++;
- } else if (qfe_slot != -1 &&
- prom_getproplen(sdev->prom_node,
- "local-mac-address") == 6) {
- prom_getproperty(sdev->prom_node, "local-mac-address",
- dev->dev_addr, 6);
} else {
- memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
+ unsigned char *addr;
+ int len;
+
+ addr = of_get_property(dp, "local-mac-address", &len);
+
+ if (qfe_slot != -1 && addr && len == 6)
+ memcpy(dev->dev_addr, addr, 6);
+ else
+ memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
}
hp = dev->priv;
@@ -2746,9 +2737,8 @@ static int __init happy_meal_sbus_init(struct sbus_dev *sdev, int is_qfe)
err = -ENODEV;
if (sdev->num_registers != 5) {
- printk(KERN_ERR "happymeal: Device does not have 5 regs, it has %d.\n",
+ printk(KERN_ERR "happymeal: Device needs 5 regs, has %d.\n",
sdev->num_registers);
- printk(KERN_ERR "happymeal: Would you like that for here or to go?\n");
goto err_out_free_netdev;
}
@@ -2762,39 +2752,39 @@ static int __init happy_meal_sbus_init(struct sbus_dev *sdev, int is_qfe)
hp->gregs = sbus_ioremap(&sdev->resource[0], 0,
GREG_REG_SIZE, "HME Global Regs");
if (!hp->gregs) {
- printk(KERN_ERR "happymeal: Cannot map Happy Meal global registers.\n");
+ printk(KERN_ERR "happymeal: Cannot map global registers.\n");
goto err_out_free_netdev;
}
hp->etxregs = sbus_ioremap(&sdev->resource[1], 0,
ETX_REG_SIZE, "HME TX Regs");
if (!hp->etxregs) {
- printk(KERN_ERR "happymeal: Cannot map Happy Meal MAC Transmit registers.\n");
+ printk(KERN_ERR "happymeal: Cannot map MAC TX registers.\n");
goto err_out_iounmap;
}
hp->erxregs = sbus_ioremap(&sdev->resource[2], 0,
ERX_REG_SIZE, "HME RX Regs");
if (!hp->erxregs) {
- printk(KERN_ERR "happymeal: Cannot map Happy Meal MAC Receive registers.\n");
+ printk(KERN_ERR "happymeal: Cannot map MAC RX registers.\n");
goto err_out_iounmap;
}
hp->bigmacregs = sbus_ioremap(&sdev->resource[3], 0,
BMAC_REG_SIZE, "HME BIGMAC Regs");
if (!hp->bigmacregs) {
- printk(KERN_ERR "happymeal: Cannot map Happy Meal BIGMAC registers.\n");
+ printk(KERN_ERR "happymeal: Cannot map BIGMAC registers.\n");
goto err_out_iounmap;
}
hp->tcvregs = sbus_ioremap(&sdev->resource[4], 0,
TCVR_REG_SIZE, "HME Tranceiver Regs");
if (!hp->tcvregs) {
- printk(KERN_ERR "happymeal: Cannot map Happy Meal Tranceiver registers.\n");
+ printk(KERN_ERR "happymeal: Cannot map TCVR registers.\n");
goto err_out_iounmap;
}
- hp->hm_revision = prom_getintdefault(sdev->prom_node, "hm-rev", 0xff);
+ hp->hm_revision = of_getintprop_default(dp, "hm-rev", 0xff);
if (hp->hm_revision == 0xff)
hp->hm_revision = 0xa0;
@@ -2808,8 +2798,8 @@ static int __init happy_meal_sbus_init(struct sbus_dev *sdev, int is_qfe)
hp->happy_flags |= HFLAG_QUATTRO;
/* Get the supported DVMA burst sizes from our Happy SBUS. */
- hp->happy_bursts = prom_getintdefault(sdev->bus->prom_node,
- "burst-sizes", 0x00);
+ hp->happy_bursts = of_getintprop_default(sdev->bus->ofdev.node,
+ "burst-sizes", 0x00);
hp->happy_block = sbus_alloc_consistent(hp->happy_dev,
PAGE_SIZE,
@@ -2872,6 +2862,8 @@ static int __init happy_meal_sbus_init(struct sbus_dev *sdev, int is_qfe)
goto err_out_free_consistent;
}
+ dev_set_drvdata(&sdev->ofdev.dev, hp);
+
if (qfe_slot != -1)
printk(KERN_INFO "%s: Quattro HME slot %d (SBUS) 10/100baseT Ethernet ",
dev->name, qfe_slot);
@@ -2884,12 +2876,6 @@ static int __init happy_meal_sbus_init(struct sbus_dev *sdev, int is_qfe)
dev->dev_addr[i], i == 5 ? ' ' : ':');
printk("\n");
- /* We are home free at this point, link us in to the happy
- * device list.
- */
- hp->next_module = root_happy_dev;
- root_happy_dev = hp;
-
return 0;
err_out_free_consistent:
@@ -3009,7 +2995,8 @@ static void get_hme_mac_nonsparc(struct pci_dev *pdev, unsigned char *dev_addr)
}
#endif /* !(CONFIG_SPARC) */
-static int __init happy_meal_pci_init(struct pci_dev *pdev)
+static int __devinit happy_meal_pci_probe(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
{
struct quattro *qp = NULL;
#ifdef CONFIG_SPARC
@@ -3214,6 +3201,8 @@ static int __init happy_meal_pci_init(struct pci_dev *pdev)
goto err_out_iounmap;
}
+ dev_set_drvdata(&pdev->dev, hp);
+
if (!qfe_slot) {
struct pci_dev *qpdev = qp->quattro_dev;
@@ -3243,12 +3232,6 @@ static int __init happy_meal_pci_init(struct pci_dev *pdev)
printk("\n");
- /* We are home free at this point, link us in to the happy
- * device list.
- */
- hp->next_module = root_happy_dev;
- root_happy_dev = hp;
-
return 0;
err_out_iounmap:
@@ -3266,136 +3249,146 @@ err_out_clear_quattro:
err_out:
return err;
}
-#endif
-#ifdef CONFIG_SBUS
-static int __init happy_meal_sbus_probe(void)
+static void __devexit happy_meal_pci_remove(struct pci_dev *pdev)
{
- struct sbus_bus *sbus;
- struct sbus_dev *sdev;
- int cards = 0;
- char model[128];
+ struct happy_meal *hp = dev_get_drvdata(&pdev->dev);
+ struct net_device *net_dev = hp->dev;
- for_each_sbus(sbus) {
- for_each_sbusdev(sdev, sbus) {
- char *name = sdev->prom_name;
-
- if (!strcmp(name, "SUNW,hme")) {
- cards++;
- prom_getstring(sdev->prom_node, "model",
- model, sizeof(model));
- if (!strcmp(model, "SUNW,sbus-qfe"))
- happy_meal_sbus_init(sdev, 1);
- else
- happy_meal_sbus_init(sdev, 0);
- } else if (!strcmp(name, "qfe") ||
- !strcmp(name, "SUNW,qfe")) {
- cards++;
- happy_meal_sbus_init(sdev, 1);
- }
- }
- }
- if (cards != 0)
- quattro_sbus_register_irqs();
- return cards;
+ unregister_netdev(net_dev);
+
+ pci_free_consistent(hp->happy_dev,
+ PAGE_SIZE,
+ hp->happy_block,
+ hp->hblock_dvma);
+ iounmap(hp->gregs);
+ pci_release_regions(hp->happy_dev);
+
+ free_netdev(net_dev);
+
+ dev_set_drvdata(&pdev->dev, NULL);
}
-#endif
-#ifdef CONFIG_PCI
-static int __init happy_meal_pci_probe(void)
+static struct pci_device_id happymeal_pci_ids[] = {
+ {
+ .vendor = PCI_VENDOR_ID_SUN,
+ .device = PCI_DEVICE_ID_SUN_HAPPYMEAL,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ },
+ { } /* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(pci, happymeal_pci_ids);
+
+static struct pci_driver hme_pci_driver = {
+ .name = "hme",
+ .id_table = happymeal_pci_ids,
+ .probe = happy_meal_pci_probe,
+ .remove = __devexit_p(happy_meal_pci_remove),
+};
+
+static int __init happy_meal_pci_init(void)
{
- struct pci_dev *pdev = NULL;
- int cards = 0;
+ return pci_module_init(&hme_pci_driver);
+}
- while ((pdev = pci_find_device(PCI_VENDOR_ID_SUN,
- PCI_DEVICE_ID_SUN_HAPPYMEAL, pdev)) != NULL) {
- if (pci_enable_device(pdev))
- continue;
- pci_set_master(pdev);
- cards++;
- happy_meal_pci_init(pdev);
+static void happy_meal_pci_exit(void)
+{
+ pci_unregister_driver(&hme_pci_driver);
+
+ while (qfe_pci_list) {
+ struct quattro *qfe = qfe_pci_list;
+ struct quattro *next = qfe->next;
+
+ kfree(qfe);
+
+ qfe_pci_list = next;
}
- return cards;
}
+
#endif
-static int __init happy_meal_probe(void)
+#ifdef CONFIG_SBUS
+static int __devinit hme_sbus_probe(struct of_device *dev, const struct of_device_id *match)
{
- static int called = 0;
- int cards;
+ struct sbus_dev *sdev = to_sbus_device(&dev->dev);
+ struct device_node *dp = dev->node;
+ char *model = of_get_property(dp, "model", NULL);
+ int is_qfe = (match->data != NULL);
- root_happy_dev = NULL;
+ if (!is_qfe && model && !strcmp(model, "SUNW,sbus-qfe"))
+ is_qfe = 1;
- if (called)
- return -ENODEV;
- called++;
+ return happy_meal_sbus_probe_one(sdev, is_qfe);
+}
+
+static int __devexit hme_sbus_remove(struct of_device *dev)
+{
+ struct happy_meal *hp = dev_get_drvdata(&dev->dev);
+ struct net_device *net_dev = hp->dev;
+
+ unregister_netdevice(net_dev);
+
+ /* XXX qfe parent interrupt... */
+
+ sbus_iounmap(hp->gregs, GREG_REG_SIZE);
+ sbus_iounmap(hp->etxregs, ETX_REG_SIZE);
+ sbus_iounmap(hp->erxregs, ERX_REG_SIZE);
+ sbus_iounmap(hp->bigmacregs, BMAC_REG_SIZE);
+ sbus_iounmap(hp->tcvregs, TCVR_REG_SIZE);
+ sbus_free_consistent(hp->happy_dev,
+ PAGE_SIZE,
+ hp->happy_block,
+ hp->hblock_dvma);
+
+ free_netdev(net_dev);
+
+ dev_set_drvdata(&dev->dev, NULL);
- cards = 0;
-#ifdef CONFIG_SBUS
- cards += happy_meal_sbus_probe();
-#endif
-#ifdef CONFIG_PCI
- cards += happy_meal_pci_probe();
-#endif
- if (!cards)
- return -ENODEV;
return 0;
}
+static struct of_device_id hme_sbus_match[] = {
+ {
+ .name = "SUNW,hme",
+ },
+ {
+ .name = "SUNW,qfe",
+ .data = (void *) 1,
+ },
+ {
+ .name = "qfe",
+ .data = (void *) 1,
+ },
+ {},
+};
-static void __exit happy_meal_cleanup_module(void)
-{
-#ifdef CONFIG_SBUS
- struct quattro *last_seen_qfe = NULL;
-#endif
+MODULE_DEVICE_TABLE(of, hme_sbus_match);
- while (root_happy_dev) {
- struct happy_meal *hp = root_happy_dev;
- struct happy_meal *next = root_happy_dev->next_module;
- struct net_device *dev = hp->dev;
+static struct of_platform_driver hme_sbus_driver = {
+ .name = "hme",
+ .match_table = hme_sbus_match,
+ .probe = hme_sbus_probe,
+ .remove = __devexit_p(hme_sbus_remove),
+};
- /* Unregister netdev before unmapping registers as this
- * call can end up trying to access those registers.
- */
- unregister_netdev(dev);
+static int __init happy_meal_sbus_init(void)
+{
+ int err;
-#ifdef CONFIG_SBUS
- if (!(hp->happy_flags & HFLAG_PCI)) {
- if (hp->happy_flags & HFLAG_QUATTRO) {
- if (hp->qfe_parent != last_seen_qfe) {
- free_irq(dev->irq, hp->qfe_parent);
- last_seen_qfe = hp->qfe_parent;
- }
- }
+ err = of_register_driver(&hme_sbus_driver, &sbus_bus_type);
+ if (!err)
+ quattro_sbus_register_irqs();
- sbus_iounmap(hp->gregs, GREG_REG_SIZE);
- sbus_iounmap(hp->etxregs, ETX_REG_SIZE);
- sbus_iounmap(hp->erxregs, ERX_REG_SIZE);
- sbus_iounmap(hp->bigmacregs, BMAC_REG_SIZE);
- sbus_iounmap(hp->tcvregs, TCVR_REG_SIZE);
- sbus_free_consistent(hp->happy_dev,
- PAGE_SIZE,
- hp->happy_block,
- hp->hblock_dvma);
- }
-#endif
-#ifdef CONFIG_PCI
- if ((hp->happy_flags & HFLAG_PCI)) {
- pci_free_consistent(hp->happy_dev,
- PAGE_SIZE,
- hp->happy_block,
- hp->hblock_dvma);
- iounmap(hp->gregs);
- pci_release_regions(hp->happy_dev);
- }
-#endif
- free_netdev(dev);
+ return err;
+}
- root_happy_dev = next;
- }
+static void happy_meal_sbus_exit(void)
+{
+ of_unregister_driver(&hme_sbus_driver);
+ quattro_sbus_free_irqs();
- /* Now cleanup the quattro lists. */
-#ifdef CONFIG_SBUS
while (qfe_sbus_list) {
struct quattro *qfe = qfe_sbus_list;
struct quattro *next = qfe->next;
@@ -3404,18 +3397,39 @@ static void __exit happy_meal_cleanup_module(void)
qfe_sbus_list = next;
}
+}
#endif
-#ifdef CONFIG_PCI
- while (qfe_pci_list) {
- struct quattro *qfe = qfe_pci_list;
- struct quattro *next = qfe->next;
- kfree(qfe);
+static int __init happy_meal_probe(void)
+{
+ int err = 0;
- qfe_pci_list = next;
+#ifdef CONFIG_SBUS
+ err = happy_meal_sbus_init();
+#endif
+#ifdef CONFIG_PCI
+ if (!err) {
+ err = happy_meal_pci_init();
+#ifdef CONFIG_SBUS
+ if (err)
+ happy_meal_sbus_exit();
+#endif
}
#endif
+
+ return err;
+}
+
+
+static void __exit happy_meal_exit(void)
+{
+#ifdef CONFIG_SBUS
+ happy_meal_sbus_exit();
+#endif
+#ifdef CONFIG_PCI
+ happy_meal_pci_exit();
+#endif
}
module_init(happy_meal_probe);
-module_exit(happy_meal_cleanup_module);
+module_exit(happy_meal_exit);