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Message-ID: <20070715214152.GB9702@havoc.gtf.org>
Date: Sun, 15 Jul 2007 17:41:52 -0400
From: Jeff Garzik <jeff@...zik.org>
To: kkeil@...e.de, linux-kernel@...r.kernel.org,
isdn4linux@...tserv.isdn4linux.de
Cc: Andrew Morton <akpm@...ux-foundation.org>,
surya.prabhakar@...ro.com
Subject: [PATCH 2/2] HiSax netjet_u: convert to PCI hotplug API
commit 6aea604ccf18368d9f9dedabfe00404c6289c8a4
Author: Jeff Garzik <jeff@...zik.org>
Date: Sun Jul 15 17:37:10 2007 -0400
[ISDN] HiSax: convert NETjet-U to PCI hotplug API; further HiSax libificatio
1) Using previous nj_u code movement, we can easily convert it to the
hotplug API similar to nj_s.
2) Additional HiSax exports and cleanups found during this work, most
notably the creation of a sister kernel module libhisax.ko. libhisax
creation is solely managed through the Makefile.
[NOTE: changes in #2 should be "moved up" in the patch series -jg]
Signed-off-by: Jeff Garzik <jeff@...zik.org>
---
drivers/isdn/hisax/Kconfig | 2
drivers/isdn/hisax/Makefile | 53 +++++++++++----------
drivers/isdn/hisax/config.c | 40 ++++++++--------
drivers/isdn/hisax/hisax_cfg.h | 2
drivers/isdn/hisax/isdnl1.c | 8 ++-
drivers/isdn/hisax/nj_s.c | 13 -----
drivers/isdn/hisax/nj_u.c | 100 +++++++++++++++++++++++++++++------------
drivers/isdn/hisax/q931.c | 4 +
8 files changed, 137 insertions(+), 85 deletions(-)
6aea604ccf18368d9f9dedabfe00404c6289c8a4
diff --git a/drivers/isdn/hisax/Kconfig b/drivers/isdn/hisax/Kconfig
index 38601b2..1da3cd6 100644
--- a/drivers/isdn/hisax/Kconfig
+++ b/drivers/isdn/hisax/Kconfig
@@ -248,7 +248,7 @@ config HISAX_NETJET
settings.
config HISAX_NETJET_U
- bool "NETspider U card"
+ tristate "NETspider U card"
depends on PCI && (BROKEN || !(SPARC || PPC || PARISC || M68K || (MIPS && !CPU_LITTLE_ENDIAN) || FRV))
help
This enables HiSax support for the Netspider U interface ISDN card
diff --git a/drivers/isdn/hisax/Makefile b/drivers/isdn/hisax/Makefile
index bf57c43..a37e211 100644
--- a/drivers/isdn/hisax/Makefile
+++ b/drivers/isdn/hisax/Makefile
@@ -6,7 +6,7 @@
EXTRA_CFLAGS += -DHISAX_MAX_CARDS=$(CONFIG_HISAX_MAX_CARDS)
-obj-$(CONFIG_ISDN_DRV_HISAX) += hisax.o
+obj-$(CONFIG_ISDN_DRV_HISAX) += hisax.o libhisax.o
obj-$(CONFIG_HISAX_SEDLBAUER_CS) += sedlbauer_cs.o
obj-$(CONFIG_HISAX_ELSA_CS) += elsa_cs.o
obj-$(CONFIG_HISAX_AVM_A1_CS) += avma1_cs.o
@@ -15,7 +15,12 @@ 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-$(CONFIG_HISAX_NETJET) += nj_s.o # netjet.o isac.o arcofi.o
+obj-$(CONFIG_HISAX_NETJET) += netjet_s.o libhisax.o
+obj-$(CONFIG_HISAX_NETJET_U) += netjet_u.o libhisax.o
+
+netjet_s-objs := nj_s.o
+netjet_u-objs := nj_u.o icc.o
+libhisax-objs := netjet.o isac.o arcofi.o
ifdef CONFIG_HISAX_HDLC
obj-$(CONFIG_ISDN_DRV_HISAX) += isdnhdlc.o
@@ -32,32 +37,30 @@ hisax-$(CONFIG_HISAX_EURO) += l3dss1.o
hisax-$(CONFIG_HISAX_NI1) += l3ni1.o
hisax-$(CONFIG_HISAX_1TR6) += l3_1tr6.o
-hisax-$(CONFIG_HISAX_16_0) += teles0.o isac.o arcofi.o hscx.o
-hisax-$(CONFIG_HISAX_16_3) += teles3.o isac.o arcofi.o hscx.o
-hisax-$(CONFIG_HISAX_TELESPCI) += telespci.o isac.o arcofi.o hscx.o
-hisax-$(CONFIG_HISAX_S0BOX) += s0box.o isac.o arcofi.o hscx.o
-hisax-$(CONFIG_HISAX_AVM_A1) += avm_a1.o isac.o arcofi.o hscx.o
-hisax-$(CONFIG_HISAX_AVM_A1_PCMCIA) += avm_a1p.o isac.o arcofi.o hscx.o
-hisax-$(CONFIG_HISAX_FRITZPCI) += avm_pci.o isac.o arcofi.o
-hisax-$(CONFIG_HISAX_ELSA) += elsa.o isac.o arcofi.o hscx.o
-hisax-$(CONFIG_HISAX_IX1MICROR2) += ix1_micro.o isac.o arcofi.o hscx.o
-hisax-$(CONFIG_HISAX_DIEHLDIVA) += diva.o isac.o arcofi.o hscx.o ipacx.o
-hisax-$(CONFIG_HISAX_ASUSCOM) += asuscom.o isac.o arcofi.o hscx.o
-hisax-$(CONFIG_HISAX_TELEINT) += teleint.o isac.o arcofi.o hfc_2bs0.o
-hisax-$(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-$(CONFIG_HISAX_NETJET_U) += nj_u.o netjet.o icc.o
+hisax-$(CONFIG_HISAX_16_0) += teles0.o hscx.o
+hisax-$(CONFIG_HISAX_16_3) += teles3.o hscx.o
+hisax-$(CONFIG_HISAX_TELESPCI) += telespci.o hscx.o
+hisax-$(CONFIG_HISAX_S0BOX) += s0box.o hscx.o
+hisax-$(CONFIG_HISAX_AVM_A1) += avm_a1.o hscx.o
+hisax-$(CONFIG_HISAX_AVM_A1_PCMCIA) += avm_a1p.o hscx.o
+hisax-$(CONFIG_HISAX_FRITZPCI) += avm_pci.o
+hisax-$(CONFIG_HISAX_ELSA) += elsa.o hscx.o
+hisax-$(CONFIG_HISAX_IX1MICROR2) += ix1_micro.o hscx.o
+hisax-$(CONFIG_HISAX_DIEHLDIVA) += diva.o hscx.o ipacx.o
+hisax-$(CONFIG_HISAX_ASUSCOM) += asuscom.o hscx.o
+hisax-$(CONFIG_HISAX_TELEINT) += teleint.o fc_2bs0.o
+hisax-$(CONFIG_HISAX_SEDLBAUER) += sedlbauer.o hscx.o isar.o
+hisax-$(CONFIG_HISAX_SPORTSTER) += sportster.o hscx.o
+hisax-$(CONFIG_HISAX_MIC) += mic.o hscx.o
hisax-$(CONFIG_HISAX_HFCS) += hfcscard.o hfc_2bds0.o
hisax-$(CONFIG_HISAX_HFC_PCI) += hfc_pci.o
hisax-$(CONFIG_HISAX_HFC_SX) += hfc_sx.o
-hisax-$(CONFIG_HISAX_NICCY) += niccy.o isac.o arcofi.o hscx.o
-hisax-$(CONFIG_HISAX_ISURF) += isurf.o isac.o arcofi.o isar.o
-hisax-$(CONFIG_HISAX_HSTSAPHIR) += saphir.o isac.o arcofi.o hscx.o
-hisax-$(CONFIG_HISAX_BKM_A4T) += bkm_a4t.o isac.o arcofi.o jade.o
-hisax-$(CONFIG_HISAX_SCT_QUADRO) += bkm_a8.o isac.o arcofi.o hscx.o
-hisax-$(CONFIG_HISAX_GAZEL) += gazel.o isac.o arcofi.o hscx.o
+hisax-$(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
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 f9abd8a..03c73e0 100644
--- a/drivers/isdn/hisax/config.c
+++ b/drivers/isdn/hisax/config.c
@@ -24,6 +24,7 @@
#include <linux/kernel_stat.h>
#include <linux/workqueue.h>
#include <linux/interrupt.h>
+#include <linux/pci.h>
#define HISAX_STATUS_BUFSIZE 4096
/*
@@ -270,13 +271,6 @@ const char *CardType[] = {
#define DEFAULT_CFG {0,0,0,0}
#endif
-#ifdef CONFIG_HISAX_NETJET_U
-#undef DEFAULT_CARD
-#undef DEFAULT_CFG
-#define DEFAULT_CARD ISDN_CTYPE_NETJET_U
-#define DEFAULT_CFG {0,0,0,0}
-#endif
-
#ifndef DEFAULT_CARD
#define DEFAULT_CARD 0
#define DEFAULT_CFG {0,0,0,0}
@@ -535,10 +529,6 @@ extern int setup_gazel(struct IsdnCard *card);
extern int setup_w6692(struct IsdnCard *card);
#endif
-#if CARD_NETJET_U
-extern int setup_netjet_u(struct IsdnCard *card);
-#endif
-
#if CARD_FN_ENTERNOW_PCI
extern int setup_enternow_pci(struct IsdnCard *card);
#endif
@@ -957,11 +947,6 @@ static int hisax_cs_setup_card(struct IsdnCard *card)
ret = setup_w6692(card);
break;
#endif
-#if CARD_NETJET_U
- case ISDN_CTYPE_NETJET_U:
- ret = setup_netjet_u(card);
- break;
-#endif
#if CARD_FN_ENTERNOW_PCI
case ISDN_CTYPE_ENTERNOW:
ret = setup_enternow_pci(card);
@@ -973,6 +958,7 @@ static int hisax_cs_setup_card(struct IsdnCard *card)
/* list of ISDN_CTYPE_xxx support moved to a modular driver */
case ISDN_CTYPE_NETJET_S:
+ case ISDN_CTYPE_NETJET_U:
printk(KERN_WARNING "HiSax: Support for %s Card has moved "
"to separate PCI driver module\n",
CardType[card->typ]);
@@ -1433,11 +1419,15 @@ static int __init HiSax_init(void)
cards[j].para[2] = mem[i];
break;
case ISDN_CTYPE_ELSA_PCI:
- case ISDN_CTYPE_NETJET_S:
case ISDN_CTYPE_TELESPCI:
case ISDN_CTYPE_W6692:
+ break;
+
+ /* the following block are excluded from std HiSax init */
+ case ISDN_CTYPE_NETJET_S:
case ISDN_CTYPE_NETJET_U:
break;
+
case ISDN_CTYPE_BKM_A4T:
break;
case ISDN_CTYPE_SCT_QUADRO:
@@ -1515,6 +1505,19 @@ static void __exit HiSax_exit(void)
printk(KERN_INFO "HiSax module removed\n");
}
+#ifdef CONFIG_PCI
+void hisax_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);
+}
+
+EXPORT_SYMBOL(hisax_pci_remove_one);
+#endif /* CONFIG_PCI */
+
int hisax_init_hotplug(struct IsdnCard *card, hisax_setup_func_t card_setup)
{
u_char ids[16];
@@ -1927,9 +1930,6 @@ 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_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)
{PCI_VENDOR_ID_ZORAN, PCI_DEVICE_ID_ZORAN_36120, PCI_ANY_ID,PCI_ANY_ID},
#endif
diff --git a/drivers/isdn/hisax/hisax_cfg.h b/drivers/isdn/hisax/hisax_cfg.h
index ec309d4..dde18bf 100644
--- a/drivers/isdn/hisax/hisax_cfg.h
+++ b/drivers/isdn/hisax/hisax_cfg.h
@@ -65,3 +65,5 @@ typedef int (*hisax_setup_func_t)(struct IsdnCard *card);
extern void HiSax_closecard(int);
extern int hisax_init_pcmcia(void *, int *, IsdnCard_t *);
extern int hisax_init_hotplug(IsdnCard_t *, hisax_setup_func_t card_setup);
+extern void hisax_pci_remove_one(struct pci_dev *pdev);
+
diff --git a/drivers/isdn/hisax/isdnl1.c b/drivers/isdn/hisax/isdnl1.c
index bcae2b0..c939167 100644
--- a/drivers/isdn/hisax/isdnl1.c
+++ b/drivers/isdn/hisax/isdnl1.c
@@ -451,7 +451,7 @@ Logl2Frame(struct IsdnCardState *cs, struct sk_buff *skb, char *buf, int dir)
(dir ? "<-" : "->"), buf, l2frames(ptr),
((ptr[0] & 2) >> 1) == dir ? 'C' : 'R', ptr[0] >> 2, ptr[1] >> 1);
}
-#endif
+#endif /* L2FRAME_DEBUG */
static void
l1_reset(struct FsmInst *fi, int event, void *arg)
@@ -934,4 +934,10 @@ setstack_l1_B(struct PStack *st)
FsmInitTimer(&st->l1.l1m, &st->l1.timer);
}
+EXPORT_SYMBOL(l1_msg);
EXPORT_SYMBOL(debugl1);
+EXPORT_SYMBOL(DChannel_proc_rcv);
+EXPORT_SYMBOL(DChannel_proc_xmt);
+#ifdef L2FRAME_DEBUG
+EXPORT_SYMBOL(Logl2Frame);
+#endif
diff --git a/drivers/isdn/hisax/nj_s.c b/drivers/isdn/hisax/nj_s.c
index 3779ccc..f804636 100644
--- a/drivers/isdn/hisax/nj_s.c
+++ b/drivers/isdn/hisax/nj_s.c
@@ -310,27 +310,17 @@ static int __devinit njs_pci_init_one(struct pci_dev *pdev,
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,
+ .remove = hisax_pci_remove_one,
};
static int __init njs_mod_init(void)
@@ -349,5 +339,6 @@ 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_DEVICE_TABLE(pci, njs_pci_table);
MODULE_DESCRIPTION("ISDN HiSax NETjet-S PCI driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/isdn/hisax/nj_u.c b/drivers/isdn/hisax/nj_u.c
index f017d38..e391eae 100644
--- a/drivers/isdn/hisax/nj_u.c
+++ b/drivers/isdn/hisax/nj_u.c
@@ -7,6 +7,7 @@
#include <linux/init.h>
#include "hisax.h"
+#include "hisax_proto.h"
#include "icc.h"
#include "isdnl1.h"
#include <linux/pci.h>
@@ -14,6 +15,8 @@
#include <linux/ppp_defs.h>
#include "netjet.h"
+static int nju_protocol; /* 0 == use DEFAULT_PROTO */
+
static const char *NETjet_U_revision = "$Revision: 2.14.2.3 $";
static u_char dummyrr(struct IsdnCardState *cs, int chan, u_char off)
@@ -133,7 +136,10 @@ static int __devinit nju_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 "NETspider-U: No IRQ for PCI card found\n");
@@ -174,17 +180,17 @@ static int __devinit nju_cs_init(struct IsdnCard *card,
switch ( ( ( NETjet_ReadIC( cs, ICC_RBCH ) >> 5 ) & 3 ) )
{
case 3 :
- return 1; /* end loop */
+ return 1; /* found card */
case 0 :
printk( KERN_WARNING "NETspider-U: NETjet-S PCI card found\n" );
- return -1; /* continue looping */
+ return 0; /* no NETjet-U found */
default :
printk( KERN_WARNING "NETspider-U: No PCI card found\n" );
- return 0; /* end loop & function */
+ return 0; /* no NETjet-U found */
}
- return 1; /* end loop */
+ return 1; /* found card */
}
static int __devinit nju_cs_init_rest(struct IsdnCard *card,
@@ -197,8 +203,7 @@ static int __devinit nju_cs_init_rest(struct IsdnCard *card,
cs->hw.njet.base, cs->irq);
if (!request_region(cs->hw.njet.base, bytecnt, "netspider-u isdn")) {
printk(KERN_WARNING
- "HiSax: %s config port %#lx-%#lx already in use\n",
- CardType[card->typ],
+ "HiSax: NETjet-U config port %#lx-%#lx already in use\n",
cs->hw.njet.base,
cs->hw.njet.base + bytecnt);
return (0);
@@ -219,7 +224,6 @@ static int __devinit nju_cs_init_rest(struct IsdnCard *card,
return (1);
}
-static struct pci_dev *dev_netjet __devinitdata = NULL;
int __devinit
setup_netjet_u(struct IsdnCard *card)
@@ -227,6 +231,7 @@ setup_netjet_u(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"
@@ -234,29 +239,70 @@ setup_netjet_u(struct IsdnCard *card)
strcpy(tmp, NETjet_U_revision);
printk(KERN_INFO "HiSax: Traverse Tech. NETspider-U driver Rev. %s\n", HiSax_getrev(tmp));
- if (cs->typ != ISDN_CTYPE_NETJET_U)
- return(0);
+
+ WARN_ON(cs->typ != ISDN_CTYPE_NETJET_U);
+
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 = nju_pci_probe(dev_netjet, cs);
- if (!ret)
- return(0);
- } else {
- printk(KERN_WARNING "NETspider-U: No PCI card found\n");
- return(0);
- }
+ ret = nju_pci_probe(dev_netjet, cs);
+ if (!ret)
- ret = nju_cs_init(card, cs);
- if (!ret)
- return (0);
- if (ret > 0)
- break;
- /* ret < 0 == continue looping */
- }
+ ret = nju_cs_init(card, cs);
+ if (!ret)
+ return (0);
return nju_cs_init_rest(card, cs);
}
+
+static int __devinit nju_pci_init_one(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ struct IsdnCard icard = { ISDN_CTYPE_NETJET_U, };
+ int cardnr;
+
+ icard.para[0] = (unsigned long) pdev;
+ if (!nju_protocol)
+ icard.protocol = DEFAULT_PROTO;
+ else
+ icard.protocol = nju_protocol;
+
+ cardnr = hisax_init_hotplug(&icard, setup_netjet_u);
+ if (cardnr < 0)
+ return -ENODEV;
+
+ pci_set_drvdata(pdev, (void *)(unsigned long) cardnr);
+ return 0;
+}
+
+static struct pci_device_id nju_pci_table[] = {
+ { PCI_VDEVICE(TIGERJET, PCI_DEVICE_ID_TIGERJET_300) },
+
+ { } /* terminate list */
+};
+
+static struct pci_driver nju_pci_driver = {
+ .name = "nj_s",
+ .id_table = nju_pci_table,
+ .probe = nju_pci_init_one,
+ .remove = hisax_pci_remove_one,
+};
+
+static int __init nju_mod_init(void)
+{
+ return pci_register_driver(&nju_pci_driver);
+}
+
+static void __exit nju_mod_exit(void)
+{
+ pci_unregister_driver(&nju_pci_driver);
+}
+
+module_init(nju_mod_init);
+module_exit(nju_mod_exit);
+
+module_param_named(protocol, nju_protocol, int, 0444);
+MODULE_PARM_DESC(protocol, "Values 0 (default) through 4. See ISDN_PTYPE_xxx in linux/isdnif.h");
+
+MODULE_DEVICE_TABLE(pci, nju_pci_table);
+MODULE_DESCRIPTION("ISDN HiSax NETjet-U PCI driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/isdn/hisax/q931.c b/drivers/isdn/hisax/q931.c
index aacbf0d..8a4e60b 100644
--- a/drivers/isdn/hisax/q931.c
+++ b/drivers/isdn/hisax/q931.c
@@ -1520,3 +1520,7 @@ dlogframe(struct IsdnCardState *cs, struct sk_buff *skb, int dir)
*dp = 0;
HiSax_putstatus(cs, NULL, cs->dlog);
}
+
+EXPORT_SYMBOL(dlogframe);
+EXPORT_SYMBOL(LogFrame);
+EXPORT_SYMBOL(QuickHex);
-
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