[PATCH 05/14] [ISDN] HiSax enternow: convert to PCI hotplug API

Jeff Garzik
2008-02-16T20:31:20Z

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
drivers/isdn/hisax/Kconfig | 4 +-
drivers/isdn/hisax/Makefile | 3 +-
drivers/isdn/hisax/config.c | 11 +----
drivers/isdn/hisax/enternow_pci.c | 93 ++++++++++++++++++++++++++-----------
4 files changed, 72 insertions(+), 39 deletions(-)

diff --git a/drivers/isdn/hisax/Kconfig b/drivers/isdn/hisax/Kconfig
index e7808f5..2a69acc 100644
--- a/drivers/isdn/hisax/Kconfig
+++ b/drivers/isdn/hisax/Kconfig
@@ -340,8 +340,8 @@ config HISAX_HFC_SX
cards. This code is not finished yet.

config HISAX_ENTERNOW_PCI
- bool "Formula-n enter:now PCI card"
- depends on HISAX_NETJET && PCI && PCI_LEGACY && (BROKEN || !(SPARC || PPC || PARISC || M68K || (MIPS && !CPU_LITTLE_ENDIAN) || FRV))
+ tristate "Formula-n enter:now PCI card"
+ depends on HISAX_NETJET && PCI && (BROKEN || !(SPARC || PPC || PARISC || M68K || (MIPS && !CPU_LITTLE_ENDIAN) || FRV))
help
This enables HiSax support for the Formula-n enter:now PCI
ISDN card.
diff --git a/drivers/isdn/hisax/Makefile b/drivers/isdn/hisax/Makefile
index 5176e9d..19b4825 100644
--- a/drivers/isdn/hisax/Makefile
+++ b/drivers/isdn/hisax/Makefile
@@ -16,8 +16,10 @@ 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
+obj-$(CONFIG_HISAX_ENTERNOW_PCI) += enternow.o libhisax.o

bkm_a4t_pci-y := bkm_a4t.o jade.o
+enternow-y := enternow_pci.o amd7930_fn.o
libhisax-y := netjet.o isac.o arcofi.o hscx.o

ifdef CONFIG_HISAX_HDLC
@@ -61,5 +63,4 @@ hisax-$(CONFIG_HISAX_HSTSAPHIR) += saphir.o
hisax-$(CONFIG_HISAX_SCT_QUADRO) += bkm_a8.o
hisax-$(CONFIG_HISAX_GAZEL) += gazel.o
hisax-$(CONFIG_HISAX_W6692) += w6692.o
-hisax-$(CONFIG_HISAX_ENTERNOW_PCI) += enternow_pci.o amd7930_fn.o

diff --git a/drivers/isdn/hisax/config.c b/drivers/isdn/hisax/config.c
index edbad13..f259f8c 100644
--- a/drivers/isdn/hisax/config.c
+++ b/drivers/isdn/hisax/config.c
@@ -541,10 +541,6 @@ extern int setup_w6692(struct IsdnCard *card);
extern int setup_netjet_u(struct IsdnCard *card);
#endif

-#if CARD_FN_ENTERNOW_PCI
-extern int setup_enternow_pci(struct IsdnCard *card);
-#endif
-
/*
* Find card with given driverId
*/
@@ -965,16 +961,12 @@ static int __devinit hisax_cs_setup_card(struct IsdnCard *card)
ret = setup_netjet_u(card);
break;
#endif
-#if CARD_FN_ENTERNOW_PCI
- case ISDN_CTYPE_ENTERNOW:
- ret = setup_enternow_pci(card);
- break;
-#endif
case ISDN_CTYPE_DYNAMIC:
ret = 2;
break;

case ISDN_CTYPE_BKM_A4T:
+ case ISDN_CTYPE_ENTERNOW:
printk(KERN_WARNING "HiSax: Support for %s Card has moved "
"to separate PCI driver module\n",
CardType[card->typ]);
@@ -1445,6 +1437,7 @@ static int __init HiSax_init(void)

/* the following block are excluded from std HiSax init */
case ISDN_CTYPE_BKM_A4T:
+ case ISDN_CTYPE_ENTERNOW:
break;

case ISDN_CTYPE_SCT_QUADRO:
diff --git a/drivers/isdn/hisax/enternow_pci.c b/drivers/isdn/hisax/enternow_pci.c
index 39f421e..b37a483 100644
--- a/drivers/isdn/hisax/enternow_pci.c
+++ b/drivers/isdn/hisax/enternow_pci.c
@@ -61,6 +61,7 @@

#include "hisax.h"
+#include "hisax_proto.h"
#include "isac.h"
#include "isdnl1.h"
#include "amd7930_fn.h"
@@ -70,7 +71,7 @@
#include <linux/init.h>
#include "netjet.h"

-
+static int en_protocol; /* 0 == use DEFAULT_PROTO */

static const char *enternow_pci_rev = "$Revision: 1.1.4.5 $";

@@ -305,6 +306,8 @@ static int __devinit en_pci_probe(struct pci_dev *dev_netjet,
{
if (pci_enable_device(dev_netjet))
return(0);
+
+ cs->hw.njet.dev = dev_netjet;
cs->irq = dev_netjet->irq;
if (!cs->irq) {
printk(KERN_WARNING "enter:now PCI: No IRQ for PCI card found\n");
@@ -315,13 +318,6 @@ static int __devinit en_pci_probe(struct pci_dev *dev_netjet,
printk(KERN_WARNING "enter:now PCI: No IO-Adr for PCI card found\n");
return(0);
}
- /* checks Sub-Vendor ID because system crashes with Traverse-Card */
- if ((dev_netjet->subsystem_vendor != 0x55) ||
- (dev_netjet->subsystem_device != 0x02)) {
- printk(KERN_WARNING "enter:now: You tried to load this driver with an incompatible TigerJet-card\n");
- printk(KERN_WARNING "Use type=20 for Traverse NetJet PCI Card.\n");
- return(0);
- }

return(1);
}
@@ -384,15 +380,14 @@ static int __devinit en_cs_init_rest(struct IsdnCard *card,
return (1);
}

-static struct pci_dev *dev_netjet __devinitdata = NULL;
-
/* called by config.c */
-int __devinit
+static int __devinit
setup_enternow_pci(struct IsdnCard *card)
{
int ret;
struct IsdnCardState *cs = card->cs;
char tmp[64];
+ struct pci_dev *dev_netjet = (void *) card->para[0];

#ifdef __BIG_ENDIAN
#error "not running on big endian machines now"
@@ -400,25 +395,69 @@ setup_enternow_pci(struct IsdnCard *card)

strcpy(tmp, enternow_pci_rev);
printk(KERN_INFO "HiSax: Formula-n Europe AG enter:now ISDN PCI driver Rev. %s\n", HiSax_getrev(tmp));
- if (cs->typ != ISDN_CTYPE_ENTERNOW)
- return(0);
+
+ WARN_ON(cs->typ != ISDN_CTYPE_ENTERNOW);
+
test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);

- for ( ;; )
- {
- if ((dev_netjet = pci_find_device(PCI_VENDOR_ID_TIGERJET,
- PCI_DEVICE_ID_TIGERJET_300, dev_netjet))) {
- ret = en_pci_probe(dev_netjet, cs);
- if (!ret)
- return(0);
- } else {
- printk(KERN_WARNING "enter:now PCI: No PCI card found\n");
- return(0);
- }
+ ret = en_pci_probe(dev_netjet, cs);
+ if (!ret)
+ return(0);

- en_cs_init(card, cs);
- break;
- }
+ en_cs_init(card, cs);

return en_cs_init_rest(card, cs);
}
+
+static int __devinit en_pci_init_one(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ struct IsdnCard icard = { ISDN_CTYPE_ENTERNOW, };
+ int cardnr;
+
+ icard.para[0] = (unsigned long) pdev;
+ if (!en_protocol)
+ icard.protocol = DEFAULT_PROTO;
+ else
+ icard.protocol = en_protocol;
+
+ cardnr = hisax_init_hotplug(&icard, setup_enternow_pci);
+ if (cardnr < 0)
+ return -ENODEV;
+
+ pci_set_drvdata(pdev, (void *)(unsigned long) cardnr);
+ return 0;
+}
+
+static struct pci_device_id en_pci_table[] = {
+ { PCI_VENDOR_ID_TIGERJET, PCI_DEVICE_ID_TIGERJET_300, 0x55, 0x02, },
+
+ { } /* terminate list */
+};
+
+static struct pci_driver en_pci_driver = {
+ .name = "enternow_pci",
+ .id_table = en_pci_table,
+ .probe = en_pci_init_one,
+ .remove = hisax_pci_remove_one,
+};
+
+static int __init en_mod_init(void)
+{
+ return pci_register_driver(&en_pci_driver);
+}
+
+static void __exit en_mod_exit(void)
+{
+ pci_unregister_driver(&en_pci_driver);
+}
+
+module_init(en_mod_init);
+module_exit(en_mod_exit);
+
+module_param_named(protocol, en_protocol, int, 0444);
+MODULE_PARM_DESC(protocol, "Values 0 (default) through 4. See ISDN_PTYPE_xxx in linux/isdnif.h");
+
+MODULE_DEVICE_TABLE(pci, en_pci_table);
+MODULE_DESCRIPTION("ISDN HiSax enter:now PCI driver");
+MODULE_LICENSE("GPL");
--
1.5.3.8