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Subject[PATCH 5/7] HiSax w6692: convert to PCI hotplug API

commit fc1418cbccc453729296fbacaeaaa13e8b71a830
Author: Jeff Garzik <jeff@garzik.org>
Date: Sun Jul 15 21:28:34 2007 -0400

[ISDN] HiSax: Convert w6692 driver to PCI hotplug API

[ed.: also, some additional EXPORT_SYMBOL and Makefile fixes]

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

drivers/isdn/hisax/Kconfig | 2
drivers/isdn/hisax/Makefile | 4 -
drivers/isdn/hisax/config.c | 23 --------
drivers/isdn/hisax/isdnl1.c | 2
drivers/isdn/hisax/lmgr.c | 2
drivers/isdn/hisax/w6692.c | 116 ++++++++++++++++++++++++++++----------------
6 files changed, 83 insertions(+), 66 deletions(-)

fc1418cbccc453729296fbacaeaaa13e8b71a830
diff --git a/drivers/isdn/hisax/Kconfig b/drivers/isdn/hisax/Kconfig
index b04503d..03e4ea5 100644
--- a/drivers/isdn/hisax/Kconfig
+++ b/drivers/isdn/hisax/Kconfig
@@ -325,7 +325,7 @@ config HISAX_HFC_PCI
<file:Documentation/isdn/README.hfc-pci>.

config HISAX_W6692
- bool "Winbond W6692 based cards"
+ tristate "Winbond W6692 based cards"
depends on PCI
help
This enables HiSax support for Winbond W6692 based PCI ISDN cards.
diff --git a/drivers/isdn/hisax/Makefile b/drivers/isdn/hisax/Makefile
index e63e2af..1f02120 100644
--- a/drivers/isdn/hisax/Makefile
+++ b/drivers/isdn/hisax/Makefile
@@ -18,7 +18,8 @@ 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-$(CONFIG_HISAX_BKM_A4T) += bkm_a4t_pci.o
+obj-$(CONFIG_HISAX_BKM_A4T) += bkm_a4t_pci.o libhisax.o
+obj-$(CONFIG_HISAX_W6692) += w6692.o libhisax.o

bkm_a4t_pci-objs := bkm_a4t.o jade.o
enternow-objs := enternow_pci.o amd7930_fn.o
@@ -64,5 +65,4 @@ hisax-$(CONFIG_HISAX_ISURF) += isurf.o sar.o
hisax-$(CONFIG_HISAX_HSTSAPHIR) += saphir.o hscx.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/config.c b/drivers/isdn/hisax/config.c
index 2ba96d0..163a636 100644
--- a/drivers/isdn/hisax/config.c
+++ b/drivers/isdn/hisax/config.c
@@ -257,13 +257,6 @@ const char *CardType[] = {
#define DEFAULT_CFG {15,0x180,0,0}
#endif

-#ifdef CONFIG_HISAX_W6692
-#undef DEFAULT_CARD
-#undef DEFAULT_CFG
-#define DEFAULT_CARD ISDN_CTYPE_W6692
-#define DEFAULT_CFG {0,0,0,0}
-#endif
-
#ifndef DEFAULT_CARD
#define DEFAULT_CARD 0
#define DEFAULT_CFG {0,0,0,0}
@@ -514,10 +507,6 @@ extern int setup_sct_quadro(struct IsdnCard *card);
extern int setup_gazel(struct IsdnCard *card);
#endif

-#if CARD_W6692
-extern int setup_w6692(struct IsdnCard *card);
-#endif
-
/*
* Find card with given driverId
*/
@@ -922,11 +911,6 @@ static int hisax_cs_setup_card(struct IsdnCard *card)
ret = setup_gazel(card);
break;
#endif
-#if CARD_W6692
- case ISDN_CTYPE_W6692:
- ret = setup_w6692(card);
- break;
-#endif
case ISDN_CTYPE_DYNAMIC:
ret = 2;
break;
@@ -936,6 +920,7 @@ static int hisax_cs_setup_card(struct IsdnCard *card)
case ISDN_CTYPE_NETJET_U:
case ISDN_CTYPE_ENTERNOW:
case ISDN_CTYPE_BKM_A4T:
+ case ISDN_CTYPE_W6692:
printk(KERN_WARNING "HiSax: Support for %s Card has moved "
"to separate PCI driver module\n",
CardType[card->typ]);
@@ -1397,7 +1382,6 @@ static int __init HiSax_init(void)
break;
case ISDN_CTYPE_ELSA_PCI:
case ISDN_CTYPE_TELESPCI:
- case ISDN_CTYPE_W6692:
break;

/* the following block are excluded from std HiSax init */
@@ -1405,6 +1389,7 @@ static int __init HiSax_init(void)
case ISDN_CTYPE_NETJET_U:
case ISDN_CTYPE_ENTERNOW:
case ISDN_CTYPE_BKM_A4T:
+ case ISDN_CTYPE_W6692:
break;

case ISDN_CTYPE_SCT_QUADRO:
@@ -1910,10 +1895,6 @@ static struct pci_device_id hisax_pci_tbl[] __devinitdata = {
#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
-#ifdef CONFIG_HISAX_W6692
- {PCI_VENDOR_ID_DYNALINK, PCI_DEVICE_ID_DYNALINK_IS64PH, PCI_ANY_ID,PCI_ANY_ID},
- {PCI_VENDOR_ID_WINBOND2, PCI_DEVICE_ID_WINBOND2_6692, PCI_ANY_ID,PCI_ANY_ID},
-#endif
#ifdef CONFIG_HISAX_HFC_PCI
{PCI_VENDOR_ID_CCD, PCI_DEVICE_ID_CCD_2BD0, PCI_ANY_ID, PCI_ANY_ID},
{PCI_VENDOR_ID_CCD, PCI_DEVICE_ID_CCD_B000, PCI_ANY_ID, PCI_ANY_ID},
diff --git a/drivers/isdn/hisax/isdnl1.c b/drivers/isdn/hisax/isdnl1.c
index c939167..ec81b12 100644
--- a/drivers/isdn/hisax/isdnl1.c
+++ b/drivers/isdn/hisax/isdnl1.c
@@ -935,7 +935,9 @@ setstack_l1_B(struct PStack *st)
}

EXPORT_SYMBOL(l1_msg);
+EXPORT_SYMBOL(l1_msg_b);
EXPORT_SYMBOL(debugl1);
+EXPORT_SYMBOL(setstack_l1_B);
EXPORT_SYMBOL(DChannel_proc_rcv);
EXPORT_SYMBOL(DChannel_proc_xmt);
#ifdef L2FRAME_DEBUG
diff --git a/drivers/isdn/hisax/lmgr.c b/drivers/isdn/hisax/lmgr.c
index d4f86d6..5980490 100644
--- a/drivers/isdn/hisax/lmgr.c
+++ b/drivers/isdn/hisax/lmgr.c
@@ -48,3 +48,5 @@ setstack_manager(struct PStack *st)
{
st->ma.layer = hisax_manager;
}
+
+EXPORT_SYMBOL(setstack_manager);
diff --git a/drivers/isdn/hisax/w6692.c b/drivers/isdn/hisax/w6692.c
index 3aeceaf..07d8e1e 100644
--- a/drivers/isdn/hisax/w6692.c
+++ b/drivers/isdn/hisax/w6692.c
@@ -12,11 +12,14 @@

#include <linux/init.h>
#include "hisax.h"
+#include "hisax_proto.h"
#include "w6692.h"
#include "isdnl1.h"
#include <linux/interrupt.h>
#include <linux/pci.h>

+static int w6692_protocol; /* 0 == use DEFAULT_PROTO */
+
/* table entry in the PCI devices list */
typedef struct {
int vendor_id;
@@ -992,54 +995,29 @@ w6692_card_msg(struct IsdnCardState *cs, int mt, void *arg)
return (0);
}

-static int id_idx ;
-
-static struct pci_dev *dev_w6692 __devinitdata = NULL;
-
int __devinit
setup_w6692(struct IsdnCard *card)
{
struct IsdnCardState *cs = card->cs;
char tmp[64];
- u_char found = 0;
u_char pci_irq = 0;
u_int pci_ioaddr = 0;
+ struct pci_dev *dev_w6692 = (void *) card->para[0];

strcpy(tmp, w6692_revision);
printk(KERN_INFO "HiSax: W6692 driver Rev. %s\n", HiSax_getrev(tmp));
- if (cs->typ != ISDN_CTYPE_W6692)
- return (0);
-#ifdef CONFIG_PCI
- while (id_list[id_idx].vendor_id) {
- dev_w6692 = pci_find_device(id_list[id_idx].vendor_id,
- id_list[id_idx].device_id,
- dev_w6692);
- if (dev_w6692) {
- if (pci_enable_device(dev_w6692))
- continue;
- cs->subtyp = id_idx;
- break;
- }
- id_idx++;
- }
- if (dev_w6692) {
- found = 1;
- pci_irq = dev_w6692->irq;
- /* I think address 0 is allways the configuration area */
- /* and address 1 is the real IO space KKe 03.09.99 */
- pci_ioaddr = pci_resource_start(dev_w6692, 1);
- /* USR ISDN PCI card TA need some special handling */
- if (cs->subtyp == W6692_WINBOND) {
- if ((W6692_SV_USR == dev_w6692->subsystem_vendor) &&
- (W6692_SD_USR == dev_w6692->subsystem_device)) {
- cs->subtyp = W6692_USR;
- }
- }
- }
- if (!found) {
- printk(KERN_WARNING "W6692: No PCI card found\n");
+ WARN_ON(cs->typ != ISDN_CTYPE_W6692);
+
+ if (pci_enable_device(dev_w6692))
return (0);
- }
+
+ cs->subtyp = card->para[1];
+
+ pci_irq = dev_w6692->irq;
+ /* I think address 0 is allways the configuration area */
+ /* and address 1 is the real IO space KKe 03.09.99 */
+ pci_ioaddr = pci_resource_start(dev_w6692, 1);
+
cs->irq = pci_irq;
if (!cs->irq) {
printk(KERN_WARNING "W6692: No IRQ for PCI card found\n");
@@ -1061,11 +1039,6 @@ setup_w6692(struct IsdnCard *card)
cs->hw.w6692.iobase + 255);
return (0);
}
-#else
- printk(KERN_WARNING "HiSax: W6692 and NO_PCI_BIOS\n");
- printk(KERN_WARNING "HiSax: W6692 unable to config\n");
- return (0);
-#endif /* CONFIG_PCI */

printk(KERN_INFO
"HiSax: %s config irq:%d I/O:%x\n",
@@ -1091,3 +1064,62 @@ setup_w6692(struct IsdnCard *card)
printk(KERN_INFO "W6692 D_RSTA=0x%X\n", ReadW6692(cs, W_D_RSTA));
return (1);
}
+
+static int __devinit w6692_pci_init_one(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ struct IsdnCard icard = { ISDN_CTYPE_W6692, };
+ int cardnr;
+
+ icard.para[0] = (unsigned long) pdev;
+ icard.para[1] = ent->driver_data;
+ if (!w6692_protocol)
+ icard.protocol = DEFAULT_PROTO;
+ else
+ icard.protocol = w6692_protocol;
+
+ cardnr = hisax_init_hotplug(&icard, setup_w6692);
+ if (cardnr < 0)
+ return -ENODEV;
+
+ pci_set_drvdata(pdev, (void *)(unsigned long) cardnr);
+ return 0;
+}
+
+static struct pci_device_id w6692_pci_table[] = {
+ { PCI_VENDOR_ID_DYNALINK, PCI_DEVICE_ID_DYNALINK_IS64PH,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, W6692_DYNALINK },
+ { PCI_VENDOR_ID_WINBOND2, PCI_DEVICE_ID_WINBOND2_6692,
+ W6692_SV_USR, W6692_SD_USR, 0, 0, W6692_USR },
+ { PCI_VENDOR_ID_WINBOND2, PCI_DEVICE_ID_WINBOND2_6692,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, W6692_WINBOND },
+
+ { } /* terminate list */
+};
+
+static struct pci_driver w6692_pci_driver = {
+ .name = "w6692",
+ .id_table = w6692_pci_table,
+ .probe = w6692_pci_init_one,
+ .remove = hisax_pci_remove_one,
+};
+
+static int __init w6692_mod_init(void)
+{
+ return pci_register_driver(&w6692_pci_driver);
+}
+
+static void __exit w6692_mod_exit(void)
+{
+ pci_unregister_driver(&w6692_pci_driver);
+}
+
+module_init(w6692_mod_init);
+module_exit(w6692_mod_exit);
+
+module_param_named(protocol, w6692_protocol, int, 0444);
+MODULE_PARM_DESC(protocol, "Values 0 (default) through 4. See ISDN_PTYPE_xxx in linux/isdnif.h");
+
+MODULE_DEVICE_TABLE(pci, w6692_pci_table);
+MODULE_DESCRIPTION("ISDN HiSax W6692 PCI driver");
+MODULE_LICENSE("GPL");
-
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