[PATCH 07/14] [ISDN] HiSax nj_s, nj_u: convert to PCI hotplug API

From: Jeff Garzik
Date: Thu Feb 14 2008 - 18:43:53 EST

Signed-off-by: Jeff Garzik <jeff@xxxxxxxxxx>
---
drivers/isdn/hisax/Kconfig | 8 ++--
drivers/isdn/hisax/Makefile | 6 ++-
drivers/isdn/hisax/config.c | 41 ++----------------
drivers/isdn/hisax/nj_s.c | 100 +++++++++++++++++++++++++++++++------------
drivers/isdn/hisax/nj_u.c | 99 +++++++++++++++++++++++++++++++-----------
5 files changed, 158 insertions(+), 96 deletions(-)

diff --git a/drivers/isdn/hisax/Kconfig b/drivers/isdn/hisax/Kconfig
index a37a616..508bc2b 100644
--- a/drivers/isdn/hisax/Kconfig
+++ b/drivers/isdn/hisax/Kconfig
@@ -236,8 +236,8 @@ config HISAX_MIC
settings.

config HISAX_NETJET
- bool "NETjet card"
- depends on PCI && PCI_LEGACY && (BROKEN || !(SPARC || PPC || PARISC || M68K || (MIPS && !CPU_LITTLE_ENDIAN) || FRV))
+ 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
Technologies.
@@ -247,8 +247,8 @@ config HISAX_NETJET
settings.

config HISAX_NETJET_U
- bool "NETspider U card"
- depends on PCI && PCI_LEGACY && (BROKEN || !(SPARC || PPC || PARISC || M68K || (MIPS && !CPU_LITTLE_ENDIAN) || FRV))
+ 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
from Traverse Technologies.
diff --git a/drivers/isdn/hisax/Makefile b/drivers/isdn/hisax/Makefile
index c3e2ea2..30fdd94 100644
--- a/drivers/isdn/hisax/Makefile
+++ b/drivers/isdn/hisax/Makefile
@@ -19,9 +19,13 @@ obj-$(CONFIG_HISAX_BKM_A4T) += bkm_a4t_pci.o libhisax.o
obj-$(CONFIG_HISAX_ENTERNOW_PCI) += enternow.o libhisax.o
obj-$(CONFIG_HISAX_HFC_PCI) += hfc_pci.o libhisax.o
obj-$(CONFIG_HISAX_W6692) += w6692.o libhisax.o
+obj-$(CONFIG_HISAX_NETJET) += netjet_s.o libhisax.o
+obj-$(CONFIG_HISAX_NETJET_U) += netjet_u.o libhisax.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
libhisax-objs := netjet.o isac.o arcofi.o hscx.o

ifdef CONFIG_HISAX_HDLC
@@ -54,8 +58,6 @@ hisax-$(CONFIG_HISAX_TELEINT) += teleint.o hfc_2bs0.o
hisax-$(CONFIG_HISAX_SEDLBAUER) += sedlbauer.o isar.o
hisax-$(CONFIG_HISAX_SPORTSTER) += sportster.o
hisax-$(CONFIG_HISAX_MIC) += mic.o
-hisax-$(CONFIG_HISAX_NETJET) += nj_s.o
-hisax-$(CONFIG_HISAX_NETJET_U) += nj_u.o icc.o
hisax-$(CONFIG_HISAX_HFCS) += hfcscard.o hfc_2bds0.o
hisax-$(CONFIG_HISAX_HFC_SX) += hfc_sx.o
hisax-$(CONFIG_HISAX_NICCY) += niccy.o
diff --git a/drivers/isdn/hisax/config.c b/drivers/isdn/hisax/config.c
index cba06ba..09f6c12 100644
--- a/drivers/isdn/hisax/config.c
+++ b/drivers/isdn/hisax/config.c
@@ -201,13 +201,6 @@ 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
@@ -257,13 +250,6 @@ const char *CardType[] = {
#define DEFAULT_CFG {15,0x180,0,0}
#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}
@@ -482,10 +468,6 @@ 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
@@ -514,10 +496,6 @@ extern int setup_sct_quadro(struct IsdnCard *card);
extern int setup_gazel(struct IsdnCard *card);
#endif

-#if CARD_NETJET_U
-extern int setup_netjet_u(struct IsdnCard *card);
-#endif
-
/*
* Find card with given driverId
*/
@@ -881,11 +859,6 @@ static int __devinit 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:
@@ -922,11 +895,6 @@ static int __devinit hisax_cs_setup_card(struct IsdnCard *card)
ret = setup_gazel(card);
break;
#endif
-#if CARD_NETJET_U
- case ISDN_CTYPE_NETJET_U:
- ret = setup_netjet_u(card);
- break;
-#endif
case ISDN_CTYPE_DYNAMIC:
ret = 2;
break;
@@ -935,6 +903,8 @@ static int __devinit hisax_cs_setup_card(struct IsdnCard *card)
case ISDN_CTYPE_ENTERNOW:
case ISDN_CTYPE_HFC_PCI:
case ISDN_CTYPE_W6692:
+ 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]);
@@ -1395,9 +1365,7 @@ 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_NETJET_U:
break;

/* the following block are excluded from std HiSax init */
@@ -1405,6 +1373,8 @@ static int __init HiSax_init(void)
case ISDN_CTYPE_ENTERNOW:
case ISDN_CTYPE_HFC_PCI:
case ISDN_CTYPE_W6692:
+ case ISDN_CTYPE_NETJET_S:
+ case ISDN_CTYPE_NETJET_U:
break;

case ISDN_CTYPE_SCT_QUADRO:
@@ -1908,9 +1878,6 @@ 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) || 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/nj_s.c b/drivers/isdn/hisax/nj_s.c
index 8d36ccc..a50c1ae 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,
@@ -256,43 +261,84 @@ 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 struct pci_device_id njs_pci_table[] = {
+ { PCI_VDEVICE(TIGERJET, PCI_DEVICE_ID_TIGERJET_300) },
+
+ { } /* terminate list */
+};
+
+static struct pci_driver njs_pci_driver = {
+ .name = "nj_s",
+ .id_table = njs_pci_table,
+ .probe = njs_pci_init_one,
+ .remove = hisax_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_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 d306c94..c30d173 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,
@@ -219,14 +225,14 @@ static int __devinit nju_cs_init_rest(struct IsdnCard *card,
return (1);
}

-static struct pci_dev *dev_netjet __devinitdata = NULL;

-int __devinit
+static int __devinit
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 +240,70 @@ 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_u",
+ .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");
--
1.5.3.8

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