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Subject[PATCH 4/7] HiSax bkm_a4t: convert to PCI hotplug API

commit 9e435c5da75f6edead09e1acd9b2f441e16a539d
Author: Jeff Garzik <jeff@garzik.org>
Date: Sun Jul 15 20:26:37 2007 -0400

[ISDN] HiSax: convert bkm_a4t to PCI hotplug API

Signed-off-by: Jeff Garzik <jeff@garzik.org>

drivers/isdn/hisax/Kconfig | 2
drivers/isdn/hisax/Makefile | 3 -
drivers/isdn/hisax/bkm_a4t.c | 118 ++++++++++++++++++++++++++++---------------
drivers/isdn/hisax/config.c | 20 -------
4 files changed, 83 insertions(+), 60 deletions(-)

9e435c5da75f6edead09e1acd9b2f441e16a539d
diff --git a/drivers/isdn/hisax/Kconfig b/drivers/isdn/hisax/Kconfig
index 7de6fda..b04503d 100644
--- a/drivers/isdn/hisax/Kconfig
+++ b/drivers/isdn/hisax/Kconfig
@@ -287,7 +287,7 @@ config HISAX_HSTSAPHIR
settings.

config HISAX_BKM_A4T
- bool "Telekom A4T card"
+ 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 db5580b..e63e2af 100644
--- a/drivers/isdn/hisax/Makefile
+++ b/drivers/isdn/hisax/Makefile
@@ -18,7 +18,9 @@ obj-$(CONFIG_HISAX_FRITZ_PCIPNP) += hisax_isac.o hisax_fcpcipnp.o
obj-$(CONFIG_HISAX_NETJET) += netjet_s.o libhisax.o
obj-$(CONFIG_HISAX_NETJET_U) += netjet_u.o libhisax.o
obj-$(CONFIG_HISAX_ENTERNOW_PCI) += enternow.o libhisax.o
+obj-$(CONFIG_HISAX_BKM_A4T) += bkm_a4t_pci.o

+bkm_a4t_pci-objs := bkm_a4t.o jade.o
enternow-objs := enternow_pci.o amd7930_fn.o
netjet_s-objs := nj_s.o
netjet_u-objs := nj_u.o icc.o
@@ -60,7 +62,6 @@ hisax-$(CONFIG_HISAX_HFC_SX) += hfc_sx.o
hisax-$(CONFIG_HISAX_NICCY) += niccy.o hscx.o
hisax-$(CONFIG_HISAX_ISURF) += isurf.o sar.o
hisax-$(CONFIG_HISAX_HSTSAPHIR) += saphir.o hscx.o
-hisax-$(CONFIG_HISAX_BKM_A4T) += bkm_a4t.o jade.o
hisax-$(CONFIG_HISAX_SCT_QUADRO) += bkm_a8.o hscx.o
hisax-$(CONFIG_HISAX_GAZEL) += gazel.o hscx.o
hisax-$(CONFIG_HISAX_W6692) += w6692.o
diff --git a/drivers/isdn/hisax/bkm_a4t.c b/drivers/isdn/hisax/bkm_a4t.c
index 3d1bdc8..918afb3 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"
@@ -20,7 +21,7 @@
#include <linux/pci.h>
#include "bkm_ax.h"

-extern const char *CardType[];
+static int a4t_protocol; /* 0 == use DEFAULT_PROTO */

static const char *bkm_a4t_revision = "$Revision: 1.22.2.4 $";

@@ -257,24 +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,
@@ -284,7 +282,7 @@ static int __devinit a4t_cs_init(struct IsdnCard *card,
I20_REGISTER_FILE *pI20_Regs;

if (!cs->irq) { /* IRQ range check ?? */
- printk(KERN_WARNING "HiSax: %s: No IRQ\n", CardType[card->typ]);
+ printk(KERN_WARNING "HiSax: bkm_a4t: No IRQ\n");
return (0);
}
cs->hw.ax.base = (long) ioremap(pci_memaddr, 4096);
@@ -292,7 +290,7 @@ static int __devinit a4t_cs_init(struct IsdnCard *card,
pI20_Regs = (I20_REGISTER_FILE *) (cs->hw.ax.base);
if ((pI20_Regs->i20IntStatus & 0x8EFFFFFF) != 0) {
printk(KERN_WARNING "HiSax: %s address %lx-%lx suspecious\n",
- CardType[card->typ], cs->hw.ax.base, cs->hw.ax.base + 4096);
+ "bkm_a4t", cs->hw.ax.base, cs->hw.ax.base + 4096);
iounmap((void *) cs->hw.ax.base);
cs->hw.ax.base = 0;
return (0);
@@ -303,7 +301,7 @@ static int __devinit a4t_cs_init(struct IsdnCard *card,
cs->hw.ax.jade_ale = GCS_3;

printk(KERN_INFO "HiSax: %s: Card configured at 0x%lX IRQ %d\n",
- CardType[card->typ], cs->hw.ax.base, cs->irq);
+ "bkm_a4t", cs->hw.ax.base, cs->irq);

setup_isac(cs);
cs->readisac = &ReadISAC;
@@ -323,39 +321,79 @@ static int __devinit a4t_cs_init(struct IsdnCard *card,
return (1);
}

-static struct pci_dev *dev_a4t __devinitdata = NULL;
-
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: %s: Card not found\n", CardType[card->typ]);
- return (0);
- }
- if (!pci_memaddr) {
- printk(KERN_WARNING "HiSax: %s: No Memory base address\n", CardType[card->typ]);
+ 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 25320dd..2ba96d0 100644
--- a/drivers/isdn/hisax/config.c
+++ b/drivers/isdn/hisax/config.c
@@ -243,13 +243,6 @@ 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
@@ -513,10 +506,6 @@ 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
@@ -923,11 +912,6 @@ static int 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);
@@ -951,6 +935,7 @@ static int hisax_cs_setup_card(struct IsdnCard *card)
case ISDN_CTYPE_NETJET_S:
case ISDN_CTYPE_NETJET_U:
case ISDN_CTYPE_ENTERNOW:
+ case ISDN_CTYPE_BKM_A4T:
printk(KERN_WARNING "HiSax: Support for %s Card has moved "
"to separate PCI driver module\n",
CardType[card->typ]);
@@ -1419,10 +1404,9 @@ static int __init HiSax_init(void)
case ISDN_CTYPE_NETJET_S:
case ISDN_CTYPE_NETJET_U:
case ISDN_CTYPE_ENTERNOW:
- break;
-
case ISDN_CTYPE_BKM_A4T:
break;
+
case ISDN_CTYPE_SCT_QUADRO:
if (irq[i]) {
cards[j].para[0] = irq[i];
-
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