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Subject[PATCH 5/5] HiSax netjet_s: convert to PCI hotplug API

commit c5e28e9c54de0b51a0b76fccf34aeea9654ed1bc
Author: Jeff Garzik <jeff@garzik.org>
Date: Sun Jul 15 05:44:08 2007 -0400

[ISDN] HiSax netjet_s: convert to PCI hotplug API

[...and other stuff found during conversion... -jgarzik]

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

drivers/isdn/hisax/Kconfig | 2
drivers/isdn/hisax/Makefile | 2
drivers/isdn/hisax/config.c | 53 ++++--------------
drivers/isdn/hisax/hisax_proto.h | 25 ++++++++
drivers/isdn/hisax/isac.c | 6 ++
drivers/isdn/hisax/isdnl1.c | 2
drivers/isdn/hisax/netjet.c | 9 +++
drivers/isdn/hisax/nj_s.c | 112 ++++++++++++++++++++++++++++-----------
8 files changed, 141 insertions(+), 70 deletions(-)
c5e28e9c54de0b51a0b76fccf34aeea9654ed1bc
diff --git a/drivers/isdn/hisax/Kconfig b/drivers/isdn/hisax/Kconfig
index 12d91fb..38601b2 100644
--- a/drivers/isdn/hisax/Kconfig
+++ b/drivers/isdn/hisax/Kconfig
@@ -237,7 +237,7 @@ config HISAX_MIC
settings.

config HISAX_NETJET
- bool "NETjet card"
+ tristate "NETjet card"
depends on PCI && (BROKEN || !(SPARC || PPC || PARISC || M68K || (MIPS && !CPU_LITTLE_ENDIAN) || FRV))
help
This enables HiSax support for the NetJet from Traverse
diff --git a/drivers/isdn/hisax/Makefile b/drivers/isdn/hisax/Makefile
index c7a3794..bf57c43 100644
--- a/drivers/isdn/hisax/Makefile
+++ b/drivers/isdn/hisax/Makefile
@@ -15,6 +15,7 @@ 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_NETJET) += nj_s.o # netjet.o isac.o arcofi.o

ifdef CONFIG_HISAX_HDLC
obj-$(CONFIG_ISDN_DRV_HISAX) += isdnhdlc.o
@@ -47,7 +48,6 @@ hisax-$(CONFIG_HISAX_SEDLBAUER) += sedlbauer.o isac.o arcofi.o hscx.o \
isar.o
hisax-$(CONFIG_HISAX_SPORTSTER) += sportster.o isac.o arcofi.o hscx.o
hisax-$(CONFIG_HISAX_MIC) += mic.o isac.o arcofi.o hscx.o
-hisax-$(CONFIG_HISAX_NETJET) += nj_s.o netjet.o isac.o arcofi.o
hisax-$(CONFIG_HISAX_NETJET_U) += nj_u.o netjet.o icc.o
hisax-$(CONFIG_HISAX_HFCS) += hfcscard.o hfc_2bds0.o
hisax-$(CONFIG_HISAX_HFC_PCI) += hfc_pci.o
diff --git a/drivers/isdn/hisax/config.c b/drivers/isdn/hisax/config.c
index e5c972b..f9abd8a 100644
--- a/drivers/isdn/hisax/config.c
+++ b/drivers/isdn/hisax/config.c
@@ -19,6 +19,7 @@
#include <linux/timer.h>
#include <linux/init.h>
#include "hisax.h"
+#include "hisax_proto.h"
#include <linux/module.h>
#include <linux/kernel_stat.h>
#include <linux/workqueue.h>
@@ -199,13 +200,6 @@ const char *CardType[] = {
#define DEFAULT_CFG {12,0x3e0,0,0}
#endif

-#ifdef CONFIG_HISAX_NETJET
-#undef DEFAULT_CARD
-#undef DEFAULT_CFG
-#define DEFAULT_CARD ISDN_CTYPE_NETJET_S
-#define DEFAULT_CFG {0,0,0,0}
-#endif
-
#ifdef CONFIG_HISAX_HFCS
#undef DEFAULT_CARD
#undef DEFAULT_CFG
@@ -283,26 +277,6 @@ const char *CardType[] = {
#define DEFAULT_CFG {0,0,0,0}
#endif

-#ifdef CONFIG_HISAX_1TR6
-#define DEFAULT_PROTO ISDN_PTYPE_1TR6
-#define DEFAULT_PROTO_NAME "1TR6"
-#endif
-#ifdef CONFIG_HISAX_NI1
-#undef DEFAULT_PROTO
-#define DEFAULT_PROTO ISDN_PTYPE_NI1
-#undef DEFAULT_PROTO_NAME
-#define DEFAULT_PROTO_NAME "NI1"
-#endif
-#ifdef CONFIG_HISAX_EURO
-#undef DEFAULT_PROTO
-#define DEFAULT_PROTO ISDN_PTYPE_EURO
-#undef DEFAULT_PROTO_NAME
-#define DEFAULT_PROTO_NAME "EURO"
-#endif
-#ifndef DEFAULT_PROTO
-#define DEFAULT_PROTO ISDN_PTYPE_UNKNOWN
-#define DEFAULT_PROTO_NAME "UNKNOWN"
-#endif
#ifndef DEFAULT_CARD
#define DEFAULT_CARD 0
#define DEFAULT_CFG {0,0,0,0}
@@ -521,10 +495,6 @@ extern int setup_sportster(struct IsdnCard *card);
extern int setup_mic(struct IsdnCard *card);
#endif

-#if CARD_NETJET_S
-extern int setup_netjet_s(struct IsdnCard *card);
-#endif
-
#if CARD_HFCS
extern int setup_hfcs(struct IsdnCard *card);
#endif
@@ -936,11 +906,6 @@ static int hisax_cs_setup_card(struct IsdnCard *card)
ret = setup_mic(card);
break;
#endif
-#if CARD_NETJET_S
- case ISDN_CTYPE_NETJET_S:
- ret = setup_netjet_s(card);
- break;
-#endif
#if CARD_HFCS
case ISDN_CTYPE_TELES3C:
case ISDN_CTYPE_ACERP10:
@@ -1005,6 +970,15 @@ static int hisax_cs_setup_card(struct IsdnCard *card)
case ISDN_CTYPE_DYNAMIC:
ret = 2;
break;
+
+ /* list of ISDN_CTYPE_xxx support moved to a modular driver */
+ case ISDN_CTYPE_NETJET_S:
+ 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",
@@ -1016,7 +990,7 @@ static int hisax_cs_setup_card(struct IsdnCard *card)
return ret;
}

-static int hisax_cs_new(int cardnr, struct IsdnCard *card,
+static int hisax_cs_new(int cardnr, char *id, struct IsdnCard *card,
struct IsdnCardState **cs_out, int *busy_flag,
struct module *lockowner)
{
@@ -1176,7 +1150,7 @@ static int checkcard(int cardnr, char *id, int *busy_flag,
struct IsdnCard *card = cards + cardnr;
struct IsdnCardState *cs;

- ret = hisax_cs_new(cardnr, card, &cs, busy_flag, lockowner);
+ ret = hisax_cs_new(cardnr, id, card, &cs, busy_flag, lockowner);
if (!ret)
return 0;

@@ -1583,6 +1557,7 @@ error:
EXPORT_SYMBOL(hisax_init_pcmcia);
EXPORT_SYMBOL(hisax_init_hotplug);
EXPORT_SYMBOL(HiSax_closecard);
+EXPORT_SYMBOL(HiSax_getrev);

#include "hisax_if.h"

@@ -1952,7 +1927,7 @@ static struct pci_device_id hisax_pci_tbl[] __devinitdata = {
#ifdef CONFIG_HISAX_SEDLBAUER
{PCI_VENDOR_ID_TIGERJET, PCI_DEVICE_ID_TIGERJET_100, PCI_ANY_ID,PCI_ANY_ID},
#endif
-#if defined(CONFIG_HISAX_NETJET) || defined(CONFIG_HISAX_NETJET_U)
+#if defined(CONFIG_HISAX_NETJET_U)
{PCI_VENDOR_ID_TIGERJET, PCI_DEVICE_ID_TIGERJET_300, PCI_ANY_ID,PCI_ANY_ID},
#endif
#if defined(CONFIG_HISAX_TELESPCI) || defined(CONFIG_HISAX_SCT_QUADRO)
diff --git a/drivers/isdn/hisax/hisax_proto.h b/drivers/isdn/hisax/hisax_proto.h
new file mode 100644
index 0000000..7eea361
--- /dev/null
+++ b/drivers/isdn/hisax/hisax_proto.h
@@ -0,0 +1,25 @@
+#ifndef __ISDN_HISAX_HISAX_PROTO_H__
+#define __ISDN_HISAX_HISAX_PROTO_H__
+
+#ifdef CONFIG_HISAX_1TR6
+#define DEFAULT_PROTO ISDN_PTYPE_1TR6
+#define DEFAULT_PROTO_NAME "1TR6"
+#endif
+#ifdef CONFIG_HISAX_NI1
+#undef DEFAULT_PROTO
+#define DEFAULT_PROTO ISDN_PTYPE_NI1
+#undef DEFAULT_PROTO_NAME
+#define DEFAULT_PROTO_NAME "NI1"
+#endif
+#ifdef CONFIG_HISAX_EURO
+#undef DEFAULT_PROTO
+#define DEFAULT_PROTO ISDN_PTYPE_EURO
+#undef DEFAULT_PROTO_NAME
+#define DEFAULT_PROTO_NAME "EURO"
+#endif
+#ifndef DEFAULT_PROTO
+#define DEFAULT_PROTO ISDN_PTYPE_UNKNOWN
+#define DEFAULT_PROTO_NAME "UNKNOWN"
+#endif
+
+#endif /* __ISDN_HISAX_HISAX_PROTO_H__ */
diff --git a/drivers/isdn/hisax/isac.c b/drivers/isdn/hisax/isac.c
index 4e9f238..b919543 100644
--- a/drivers/isdn/hisax/isac.c
+++ b/drivers/isdn/hisax/isac.c
@@ -681,3 +681,9 @@ setup_isac(struct IsdnCardState *cs)
cs->dbusytimer.data = (long) cs;
init_timer(&cs->dbusytimer);
}
+
+EXPORT_SYMBOL(isac_interrupt);
+EXPORT_SYMBOL(initisac);
+EXPORT_SYMBOL(clear_pending_isac_ints);
+EXPORT_SYMBOL(ISACVersion);
+EXPORT_SYMBOL(setup_isac);
diff --git a/drivers/isdn/hisax/isdnl1.c b/drivers/isdn/hisax/isdnl1.c
index a14204e..bcae2b0 100644
--- a/drivers/isdn/hisax/isdnl1.c
+++ b/drivers/isdn/hisax/isdnl1.c
@@ -933,3 +933,5 @@ setstack_l1_B(struct PStack *st)
st->l1.Flags = 0;
FsmInitTimer(&st->l1.l1m, &st->l1.timer);
}
+
+EXPORT_SYMBOL(debugl1);
diff --git a/drivers/isdn/hisax/netjet.c b/drivers/isdn/hisax/netjet.c
index 02c6fba..1e3e45b 100644
--- a/drivers/isdn/hisax/netjet.c
+++ b/drivers/isdn/hisax/netjet.c
@@ -979,3 +979,12 @@ release_io_netjet(struct IsdnCardState *cs)
release_region(cs->hw.njet.base, 256);
}

+EXPORT_SYMBOL(NETjet_WriteICfifo);
+EXPORT_SYMBOL(NETjet_ReadICfifo);
+EXPORT_SYMBOL(NETjet_WriteIC);
+EXPORT_SYMBOL(NETjet_ReadIC);
+EXPORT_SYMBOL(write_tiger);
+EXPORT_SYMBOL(read_tiger);
+EXPORT_SYMBOL(inittiger);
+EXPORT_SYMBOL(netjet_fill_dma);
+EXPORT_SYMBOL(release_io_netjet);
diff --git a/drivers/isdn/hisax/nj_s.c b/drivers/isdn/hisax/nj_s.c
index fa2db87..3779ccc 100644
--- a/drivers/isdn/hisax/nj_s.c
+++ b/drivers/isdn/hisax/nj_s.c
@@ -7,6 +7,7 @@

#include <linux/init.h>
#include "hisax.h"
+#include "hisax_proto.h"
#include "isac.h"
#include "isdnl1.h"
#include <linux/pci.h>
@@ -14,6 +15,8 @@
#include <linux/ppp_defs.h>
#include "netjet.h"

+static int njs_protocol = 0; /* 0 == use DEFAULT_PROTO */
+
static const char *NETjet_S_revision = "$Revision: 2.13.2.4 $";

static u_char dummyrr(struct IsdnCardState *cs, int chan, u_char off)
@@ -156,6 +159,8 @@ static int __devinit njs_pci_probe(struct pci_dev *dev_netjet,
if (pci_enable_device(dev_netjet))
return(0);
pci_set_master(dev_netjet);
+
+ cs->hw.njet.dev = dev_netjet;
cs->irq = dev_netjet->irq;
if (!cs->irq) {
printk(KERN_WARNING "NETjet-S: No IRQ for PCI card found\n");
@@ -212,17 +217,17 @@ static int __devinit njs_cs_init(struct IsdnCard *card,
switch ( ( ( NETjet_ReadIC( cs, ISAC_RBCH ) >> 5 ) & 3 ) )
{
case 0 :
- return 1; /* end loop */
+ return 1; /* found card */

case 3 :
printk( KERN_WARNING "NETjet-S: NETspider-U PCI card found\n" );
- return -1; /* continue looping */
+ return 0; /* no NETjet-S found */

default :
printk( KERN_WARNING "NETjet-S: No PCI card found\n" );
- return 0; /* end loop & function */
+ return 0; /* no NETjet-S found */
}
- return 1; /* end loop */
+ return 1; /* found card */
}

static int __devinit njs_cs_init_rest(struct IsdnCard *card,
@@ -235,8 +240,7 @@ static int __devinit njs_cs_init_rest(struct IsdnCard *card,
cs->subtyp ? "TJ320" : "TJ300", cs->hw.njet.base, cs->irq);
if (!request_region(cs->hw.njet.base, bytecnt, "netjet-s isdn")) {
printk(KERN_WARNING
- "HiSax: %s config port %#lx-%#lx already in use\n",
- CardType[card->typ],
+ "HiSax: NETjet-S config port %#lx-%#lx already in use\n",
cs->hw.njet.base,
cs->hw.njet.base + bytecnt);
return (0);
@@ -257,43 +261,93 @@ static int __devinit njs_cs_init_rest(struct IsdnCard *card,
return (1);
}

-static struct pci_dev *dev_netjet __devinitdata = NULL;
-
-int __devinit
+static int __devinit
setup_netjet_s(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"
#endif
strcpy(tmp, NETjet_S_revision);
printk(KERN_INFO "HiSax: Traverse Tech. NETjet-S driver Rev. %s\n", HiSax_getrev(tmp));
- if (cs->typ != ISDN_CTYPE_NETJET_S)
- return(0);
+
+ WARN_ON(cs->typ != ISDN_CTYPE_NETJET_S);
+
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 = njs_pci_probe(dev_netjet, cs);
- if (!ret)
- return(0);
- } else {
- printk(KERN_WARNING "NETjet-S: No PCI card found\n");
- return(0);
- }
+ ret = njs_pci_probe(dev_netjet, cs);
+ if (!ret)
+ return(0);

- ret = njs_cs_init(card, cs);
- if (!ret)
- return(0);
- if (ret > 0)
- break;
- /* otherwise, ret < 0, continue looping */
- }
+ ret = njs_cs_init(card, cs);
+ if (ret <= 0)
+ return(0);

return njs_cs_init_rest(card, cs);
}
+
+static int __devinit njs_pci_init_one(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ struct IsdnCard icard = { ISDN_CTYPE_NETJET_S, };
+ int cardnr;
+
+ icard.para[0] = (unsigned long) pdev;
+ if (!njs_protocol)
+ icard.protocol = DEFAULT_PROTO;
+ else
+ icard.protocol = njs_protocol;
+
+ cardnr = hisax_init_hotplug(&icard, setup_netjet_s);
+ if (cardnr < 0)
+ return -ENODEV;
+
+ pci_set_drvdata(pdev, (void *)(unsigned long) cardnr);
+ return 0;
+}
+
+static void __devexit njs_pci_remove_one(struct pci_dev *pdev)
+{
+ int cardnr = (unsigned long) pci_get_drvdata(pdev);
+
+ HiSax_closecard(cardnr);
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+}
+
+static struct pci_device_id njs_pci_table[] = {
+ { PCI_VDEVICE(TIGERJET, PCI_DEVICE_ID_TIGERJET_300) },
+
+ { } /* terminate list */
+};
+MODULE_DEVICE_TABLE(pci, njs_pci_table);
+
+static struct pci_driver njs_pci_driver = {
+ .name = "nj_s",
+ .id_table = njs_pci_table,
+ .probe = njs_pci_init_one,
+ .remove = njs_pci_remove_one,
+};
+
+static int __init njs_mod_init(void)
+{
+ return pci_register_driver(&njs_pci_driver);
+}
+
+static void __exit njs_mod_exit(void)
+{
+ pci_unregister_driver(&njs_pci_driver);
+}
+
+module_init(njs_mod_init);
+module_exit(njs_mod_exit);
+
+module_param_named(protocol, njs_protocol, int, 0444);
+MODULE_PARM_DESC(protocol, "Values 0 (default) through 4. See ISDN_PTYPE_xxx in linux/isdnif.h");
+
+MODULE_DESCRIPTION("ISDN HiSax NETjet-S PCI driver");
+MODULE_LICENSE("GPL");
-
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