[PATCH 04/14] [ISDN] HiSax bkm_a4t: convert to PCI hotplug API

Jeff Garzik
2008-02-16T20:30:41Z

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
drivers/isdn/hisax/Kconfig | 4 +-
drivers/isdn/hisax/Makefile | 3 +-
drivers/isdn/hisax/bkm_a4t.c | 115 ++++++++++++++++++++++++++++--------------
drivers/isdn/hisax/config.c | 27 ++++------
4 files changed, 92 insertions(+), 57 deletions(-)

diff --git a/drivers/isdn/hisax/Kconfig b/drivers/isdn/hisax/Kconfig
index 7832d8b..e7808f5 100644
--- a/drivers/isdn/hisax/Kconfig
+++ b/drivers/isdn/hisax/Kconfig
@@ -286,8 +286,8 @@ config HISAX_HSTSAPHIR
settings.

config HISAX_BKM_A4T
- bool "Telekom A4T card"
- depends on PCI && PCI_LEGACY
+ tristate "Telekom A4T card"
+ depends on PCI
help
This enables HiSax support for the Telekom A4T card.

diff --git a/drivers/isdn/hisax/Makefile b/drivers/isdn/hisax/Makefile
index 0b73795..5176e9d 100644
--- a/drivers/isdn/hisax/Makefile
+++ b/drivers/isdn/hisax/Makefile
@@ -15,7 +15,9 @@ obj-$(CONFIG_HISAX_ST5481) += hisax_st5481.o
obj-$(CONFIG_HISAX_HFCUSB) += hfc_usb.o
obj-$(CONFIG_HISAX_HFC4S8S) += hfc4s8s_l1.o
obj-$(CONFIG_HISAX_FRITZ_PCIPNP) += hisax_isac.o hisax_fcpcipnp.o
+obj-$(CONFIG_HISAX_BKM_A4T) += bkm_a4t_pci.o libhisax.o

+bkm_a4t_pci-y := bkm_a4t.o jade.o
libhisax-y := netjet.o isac.o arcofi.o hscx.o

ifdef CONFIG_HISAX_HDLC
@@ -56,7 +58,6 @@ hisax-$(CONFIG_HISAX_HFC_SX) += hfc_sx.o
hisax-$(CONFIG_HISAX_NICCY) += niccy.o
hisax-$(CONFIG_HISAX_ISURF) += isurf.o isar.o
hisax-$(CONFIG_HISAX_HSTSAPHIR) += saphir.o
-hisax-$(CONFIG_HISAX_BKM_A4T) += bkm_a4t.o jade.o
hisax-$(CONFIG_HISAX_SCT_QUADRO) += bkm_a8.o
hisax-$(CONFIG_HISAX_GAZEL) += gazel.o
hisax-$(CONFIG_HISAX_W6692) += w6692.o
diff --git a/drivers/isdn/hisax/bkm_a4t.c b/drivers/isdn/hisax/bkm_a4t.c
index 9ca2ee5..71450b3 100644
--- a/drivers/isdn/hisax/bkm_a4t.c
+++ b/drivers/isdn/hisax/bkm_a4t.c
@@ -13,6 +13,7 @@

#include <linux/init.h>
#include "hisax.h"
+#include "hisax_proto.h"
#include "isac.h"
#include "hscx.h"
#include "jade.h"
@@ -20,6 +21,8 @@
#include <linux/pci.h>
#include "bkm_ax.h"

+static int a4t_protocol; /* 0 == use DEFAULT_PROTO */
+
static const char *bkm_a4t_revision = "$Revision: 1.22.2.4 $";

@@ -255,24 +258,21 @@ BKM_card_msg(struct IsdnCardState *cs, int mt, void *arg)

static int __devinit a4t_pci_probe(struct pci_dev *dev_a4t,
struct IsdnCardState *cs,
- u_int *found,
u_int *pci_memaddr)
{
- u16 sub_sys;
- u16 sub_vendor;
-
- sub_vendor = dev_a4t->subsystem_vendor;
- sub_sys = dev_a4t->subsystem_device;
- if ((sub_sys == PCI_DEVICE_ID_BERKOM_A4T) && (sub_vendor == PCI_VENDOR_ID_BERKOM)) {
- if (pci_enable_device(dev_a4t))
- return (0); /* end loop & function */
- *found = 1;
- *pci_memaddr = pci_resource_start(dev_a4t, 0);
- cs->irq = dev_a4t->irq;
- return (1); /* end loop */
+ if (pci_enable_device(dev_a4t))
+ return (0); /* error */
+
+ *pci_memaddr = pci_resource_start(dev_a4t, 0);
+ if (!(*pci_memaddr)) {
+ printk(KERN_WARNING "HiSax bkm_a4t: No Memory base address\n");
+ return (0);
}

- return (-1); /* continue looping */
+ cs->irq = dev_a4t->irq;
+
+ cs->hw.ax.dev = dev_a4t;
+ return (1); /* success */
}

static int __devinit a4t_cs_init(struct IsdnCard *card,
@@ -323,40 +323,79 @@ static int __devinit a4t_cs_init(struct IsdnCard *card,
return (1);
}

-static struct pci_dev *dev_a4t __devinitdata = NULL;
-
-int __devinit
+static int __devinit
setup_bkm_a4t(struct IsdnCard *card)
{
struct IsdnCardState *cs = card->cs;
char tmp[64];
- u_int pci_memaddr = 0, found = 0;
+ u_int pci_memaddr = 0;
int ret;
+ struct pci_dev *dev_a4t = (void *) card->para[0];

strcpy(tmp, bkm_a4t_revision);
printk(KERN_INFO "HiSax: T-Berkom driver Rev. %s\n", HiSax_getrev(tmp));
- if (cs->typ == ISDN_CTYPE_BKM_A4T) {
- cs->subtyp = BKM_A4T;
- } else
- return (0);

- while ((dev_a4t = pci_find_device(PCI_VENDOR_ID_ZORAN,
- PCI_DEVICE_ID_ZORAN_36120, dev_a4t))) {
- ret = a4t_pci_probe(dev_a4t, cs, &found, &pci_memaddr);
- if (!ret)
- return (0);
- if (ret > 0)
- break;
- }
- if (!found) {
- printk(KERN_WARNING "HiSax: Telekom A4T: Card not found\n");
- return (0);
- }
- if (!pci_memaddr) {
- printk(KERN_WARNING "HiSax: Telekom A4T: "
- "No Memory base address\n");
+ WARN_ON(cs->typ != ISDN_CTYPE_BKM_A4T);
+
+ cs->subtyp = BKM_A4T;
+
+ ret = a4t_pci_probe(dev_a4t, cs, &pci_memaddr);
+ if (!ret)
return (0);
- }

return a4t_cs_init(card, cs, pci_memaddr);
}
+
+static int __devinit a4t_pci_init_one(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ struct IsdnCard icard = { ISDN_CTYPE_BKM_A4T, };
+ int cardnr;
+
+ icard.para[0] = (unsigned long) pdev;
+ if (!a4t_protocol)
+ icard.protocol = DEFAULT_PROTO;
+ else
+ icard.protocol = a4t_protocol;
+
+ cardnr = hisax_init_hotplug(&icard, setup_bkm_a4t);
+ if (cardnr < 0)
+ return -ENODEV;
+
+ pci_set_drvdata(pdev, (void *)(unsigned long) cardnr);
+ return 0;
+}
+
+static struct pci_device_id a4t_pci_table[] = {
+ { PCI_VENDOR_ID_ZORAN, PCI_DEVICE_ID_ZORAN_36120,
+ PCI_VENDOR_ID_BERKOM, PCI_DEVICE_ID_BERKOM_A4T, },
+
+ { } /* terminate list */
+};
+
+static struct pci_driver a4t_pci_driver = {
+ .name = "bkm_a4t",
+ .id_table = a4t_pci_table,
+ .probe = a4t_pci_init_one,
+ .remove = hisax_pci_remove_one,
+};
+
+static int __init a4t_mod_init(void)
+{
+ return pci_register_driver(&a4t_pci_driver);
+}
+
+static void __exit a4t_mod_exit(void)
+{
+ pci_unregister_driver(&a4t_pci_driver);
+}
+
+module_init(a4t_mod_init);
+module_exit(a4t_mod_exit);
+
+module_param_named(protocol, a4t_protocol, int, 0444);
+MODULE_PARM_DESC(protocol, "Values 0 (default) through 4. See ISDN_PTYPE_xxx in linux/isdnif.h");
+
+MODULE_DEVICE_TABLE(pci, a4t_pci_table);
+MODULE_DESCRIPTION("ISDN HiSax BKM A4T PCI driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/isdn/hisax/config.c b/drivers/isdn/hisax/config.c
index 3259639..edbad13 100644
--- a/drivers/isdn/hisax/config.c
+++ b/drivers/isdn/hisax/config.c
@@ -250,13 +250,6 @@ const char *CardType[] = {
#define DEFAULT_CFG {5,0x250,0,0}
#endif

-#ifdef CONFIG_HISAX_BKM_A4T
-#undef DEFAULT_CARD
-#undef DEFAULT_CFG
-#define DEFAULT_CARD ISDN_CTYPE_BKM_A4T
-#define DEFAULT_CFG {0,0x0,0,0}
-#endif
-
#ifdef CONFIG_HISAX_SCT_QUADRO
#undef DEFAULT_CARD
#undef DEFAULT_CFG
@@ -532,10 +525,6 @@ extern int setup_isurf(struct IsdnCard *card);
extern int setup_saphir(struct IsdnCard *card);
#endif

-#if CARD_BKM_A4T
-extern int setup_bkm_a4t(struct IsdnCard *card);
-#endif
-
#if CARD_SCT_QUADRO
extern int setup_sct_quadro(struct IsdnCard *card);
#endif
@@ -956,11 +945,6 @@ static int __devinit hisax_cs_setup_card(struct IsdnCard *card)
ret = setup_saphir(card);
break;
#endif
-#if CARD_BKM_A4T
- case ISDN_CTYPE_BKM_A4T:
- ret = setup_bkm_a4t(card);
- break;
-#endif
#if CARD_SCT_QUADRO
case ISDN_CTYPE_SCT_QUADRO:
ret = setup_sct_quadro(card);
@@ -989,6 +973,14 @@ static int __devinit hisax_cs_setup_card(struct IsdnCard *card)
case ISDN_CTYPE_DYNAMIC:
ret = 2;
break;
+
+ case ISDN_CTYPE_BKM_A4T:
+ printk(KERN_WARNING "HiSax: Support for %s Card has moved "
+ "to separate PCI driver module\n",
+ CardType[card->typ]);
+ ret = 0;
+ break;
+
default:
printk(KERN_WARNING
"HiSax: Support for %s Card not selected\n",
@@ -1450,8 +1442,11 @@ static int __init HiSax_init(void)
case ISDN_CTYPE_W6692:
case ISDN_CTYPE_NETJET_U:
break;
+
+ /* the following block are excluded from std HiSax init */
case ISDN_CTYPE_BKM_A4T:
break;
+
case ISDN_CTYPE_SCT_QUADRO:
if (irq[i]) {
cards[j].para[0] = irq[i];
--
1.5.3.8