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Subject[PATCH 4/4] HiSax bkm_a8: convert to new-style PCI probing

This patch was committed to the 'isdn-pci' branch of
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6.git

commit 8b007a8381e15f7e931123e76cff10f50e841964
Author: Jeff Garzik <jeff@garzik.org>
Date: Thu Aug 2 08:37:15 2007 -0400

[ISDN] HiSax bkm_a8: convert to PCI hotplug API

drivers/isdn/hisax/Kconfig | 2
drivers/isdn/hisax/Makefile | 2
drivers/isdn/hisax/bkm_a8.c | 206 ++++++++++++++++++++++++++++----------------
drivers/isdn/hisax/config.c | 48 ----------
4 files changed, 137 insertions(+), 121 deletions(-)

8b007a8381e15f7e931123e76cff10f50e841964
diff --git a/drivers/isdn/hisax/Kconfig b/drivers/isdn/hisax/Kconfig
index 47a97c0..e747047 100644
--- a/drivers/isdn/hisax/Kconfig
+++ b/drivers/isdn/hisax/Kconfig
@@ -298,7 +298,7 @@ config HISAX_BKM_A4T
settings.

config HISAX_SCT_QUADRO
- bool "Scitel Quadro card"
+ tristate "Scitel Quadro card"
depends on PCI
help
This enables HiSax support for the Scitel Quadro card.
diff --git a/drivers/isdn/hisax/Makefile b/drivers/isdn/hisax/Makefile
index 81ae5be..d95a31d 100644
--- a/drivers/isdn/hisax/Makefile
+++ b/drivers/isdn/hisax/Makefile
@@ -26,6 +26,7 @@ obj-$(CONFIG_HISAX_FRITZPCI) += avm_pci.o libhisax.o
obj-$(CONFIG_HISAX_GAZEL) += gazel.o libhisax.o
obj-$(CONFIG_HISAX_NICCY) += niccy.o libhisax.o
obj-$(CONFIG_HISAX_DIEHLDIVA) += hisaxdiva.o libhisax.o
+obj-$(CONFIG_HISAX_SCT_QUADRO) += bkm_a8.o libhisax.o

bkm_a4t_pci-objs := bkm_a4t.o jade.o
enternow-objs := enternow_pci.o amd7930_fn.o
@@ -65,5 +66,4 @@ hisax-$(CONFIG_HISAX_HFCS) += hfcscard.o hfc_2bds0.o
hisax-$(CONFIG_HISAX_HFC_SX) += hfc_sx.o
hisax-$(CONFIG_HISAX_ISURF) += isurf.o isar.o
hisax-$(CONFIG_HISAX_HSTSAPHIR) += saphir.o
-hisax-$(CONFIG_HISAX_SCT_QUADRO) += bkm_a8.o

diff --git a/drivers/isdn/hisax/bkm_a8.c b/drivers/isdn/hisax/bkm_a8.c
index 6339bb4..c713b8f 100644
--- a/drivers/isdn/hisax/bkm_a8.c
+++ b/drivers/isdn/hisax/bkm_a8.c
@@ -13,6 +13,7 @@

#include <linux/init.h>
#include "hisax.h"
+#include "hisax_proto.h"
#include "isac.h"
#include "ipac.h"
#include "hscx.h"
@@ -20,12 +21,10 @@
#include <linux/pci.h>
#include "bkm_ax.h"

-#ifdef CONFIG_PCI
+static int a8_protocol; /* 0 == use DEFAULT_PROTO */

#define ATTEMPT_PCI_REMAPPING /* Required for PLX rev 1 */

-extern const char *CardType[];
-
static const char sct_quadro_revision[] = "$Revision: 1.22.2.4 $";

static const char *sct_quadro_subtypes[] =
@@ -184,7 +183,7 @@ bkm_interrupt_ipac(int intno, void *dev_id)
}
if (!icnt)
printk(KERN_WARNING "HiSax: %s (%s) IRQ LOOP\n",
- CardType[cs->typ],
+ "bkm_a8",
sct_quadro_subtypes[cs->subtyp]);
writereg(cs->hw.ax.base, cs->hw.ax.data_adr, IPAC_MASK, 0xFF);
writereg(cs->hw.ax.base, cs->hw.ax.data_adr, IPAC_MASK, 0xC0);
@@ -272,71 +271,28 @@ sct_alloc_io(u_int adr, u_int len)
return(0);
}

-static struct pci_dev *dev_a8 __devinitdata = NULL;
-static u16 sub_vendor_id __devinitdata = 0;
-static u16 sub_sys_id __devinitdata = 0;
-static u_char pci_bus __devinitdata = 0;
-static u_char pci_device_fn __devinitdata = 0;
-static u_char pci_irq __devinitdata = 0;
-
-#endif /* CONFIG_PCI */
-
-int __devinit
+static int __devinit
setup_sct_quadro(struct IsdnCard *card)
{
-#ifdef CONFIG_PCI
struct IsdnCardState *cs = card->cs;
+ u_int pci_ioaddr2, pci_ioaddr3, pci_ioaddr4, pci_ioaddr5;
char tmp[64];
- u_int found = 0;
- u_int pci_ioaddr1, pci_ioaddr2, pci_ioaddr3, pci_ioaddr4, pci_ioaddr5;
+ struct pci_dev *dev_a8 = (void *) card->para[1];
+ u_int pci_ioaddr1 = pci_resource_start(dev_a8, 1);
+ u_char pci_irq = dev_a8->irq;

strcpy(tmp, sct_quadro_revision);
printk(KERN_INFO "HiSax: T-Berkom driver Rev. %s\n", HiSax_getrev(tmp));
- if (cs->typ == ISDN_CTYPE_SCT_QUADRO) {
- cs->subtyp = SCT_1; /* Preset */
- } else
- return (0);

- /* Identify subtype by para[0] */
- if (card->para[0] >= SCT_1 && card->para[0] <= SCT_4)
- cs->subtyp = card->para[0];
- else {
- printk(KERN_WARNING "HiSax: %s: Invalid subcontroller in configuration, default to 1\n",
- CardType[card->typ]);
- return (0);
- }
- if ((cs->subtyp != SCT_1) && ((sub_sys_id != PCI_DEVICE_ID_BERKOM_SCITEL_QUADRO) ||
- (sub_vendor_id != PCI_VENDOR_ID_BERKOM)))
- return (0);
+ cs->subtyp = card->para[0];
+
if (cs->subtyp == SCT_1) {
- while ((dev_a8 = pci_find_device(PCI_VENDOR_ID_PLX,
- PCI_DEVICE_ID_PLX_9050, dev_a8))) {
-
- sub_vendor_id = dev_a8->subsystem_vendor;
- sub_sys_id = dev_a8->subsystem_device;
- if ((sub_sys_id == PCI_DEVICE_ID_BERKOM_SCITEL_QUADRO) &&
- (sub_vendor_id == PCI_VENDOR_ID_BERKOM)) {
- if (pci_enable_device(dev_a8))
- return(0);
- pci_ioaddr1 = pci_resource_start(dev_a8, 1);
- pci_irq = dev_a8->irq;
- pci_bus = dev_a8->bus->number;
- pci_device_fn = dev_a8->devfn;
- found = 1;
- break;
- }
- }
- if (!found) {
- printk(KERN_WARNING "HiSax: %s (%s): Card not found\n",
- CardType[card->typ],
- sct_quadro_subtypes[cs->subtyp]);
- return (0);
- }
+
#ifdef ATTEMPT_PCI_REMAPPING
/* HACK: PLX revision 1 bug: PLX address bit 7 must not be set */
if ((pci_ioaddr1 & 0x80) && (dev_a8->revision == 1)) {
printk(KERN_WARNING "HiSax: %s (%s): PLX rev 1, remapping required!\n",
- CardType[card->typ],
+ "bkm_a8",
sct_quadro_subtypes[cs->subtyp]);
/* Restart PCI negotiation */
pci_write_config_dword(dev_a8, PCI_BASE_ADDRESS_1, (u_int) - 1);
@@ -350,26 +306,23 @@ setup_sct_quadro(struct IsdnCard *card)
}
if (!pci_irq) { /* IRQ range check ?? */
printk(KERN_WARNING "HiSax: %s (%s): No IRQ\n",
- CardType[card->typ],
+ "bkm_a8",
sct_quadro_subtypes[cs->subtyp]);
return (0);
}
- pci_read_config_dword(dev_a8, PCI_BASE_ADDRESS_1, &pci_ioaddr1);
- pci_read_config_dword(dev_a8, PCI_BASE_ADDRESS_2, &pci_ioaddr2);
- pci_read_config_dword(dev_a8, PCI_BASE_ADDRESS_3, &pci_ioaddr3);
- pci_read_config_dword(dev_a8, PCI_BASE_ADDRESS_4, &pci_ioaddr4);
- pci_read_config_dword(dev_a8, PCI_BASE_ADDRESS_5, &pci_ioaddr5);
+
+ pci_ioaddr2 = pci_resource_start(dev_a8, 2);
+ pci_ioaddr3 = pci_resource_start(dev_a8, 3);
+ pci_ioaddr4 = pci_resource_start(dev_a8, 4);
+ pci_ioaddr5 = pci_resource_start(dev_a8, 5);
+
if (!pci_ioaddr1 || !pci_ioaddr2 || !pci_ioaddr3 || !pci_ioaddr4 || !pci_ioaddr5) {
printk(KERN_WARNING "HiSax: %s (%s): No IO base address(es)\n",
- CardType[card->typ],
+ "bkm_a8",
sct_quadro_subtypes[cs->subtyp]);
return (0);
}
- pci_ioaddr1 &= PCI_BASE_ADDRESS_IO_MASK;
- pci_ioaddr2 &= PCI_BASE_ADDRESS_IO_MASK;
- pci_ioaddr3 &= PCI_BASE_ADDRESS_IO_MASK;
- pci_ioaddr4 &= PCI_BASE_ADDRESS_IO_MASK;
- pci_ioaddr5 &= PCI_BASE_ADDRESS_IO_MASK;
+
/* Take over */
cs->irq = pci_irq;
cs->irq_flags |= IRQF_SHARED;
@@ -417,7 +370,7 @@ setup_sct_quadro(struct IsdnCard *card)
cs->hw.ax.data_adr = cs->hw.ax.base + 4;

printk(KERN_INFO "HiSax: %s (%s) configured at 0x%.4lX, 0x%.4lX, 0x%.4lX and IRQ %d\n",
- CardType[card->typ],
+ "bkm_a8",
sct_quadro_subtypes[cs->subtyp],
cs->hw.ax.plx_adr,
cs->hw.ax.base,
@@ -438,11 +391,118 @@ setup_sct_quadro(struct IsdnCard *card)
cs->irq_func = &bkm_interrupt_ipac;

printk(KERN_INFO "HiSax: %s (%s): IPAC Version %d\n",
- CardType[card->typ],
+ "bkm_a8",
sct_quadro_subtypes[cs->subtyp],
readreg(cs->hw.ax.base, cs->hw.ax.data_adr, IPAC_ID));
return (1);
-#else
- printk(KERN_ERR "HiSax: bkm_a8 only supported on PCI Systems\n");
-#endif /* CONFIG_PCI */
}
+
+enum {
+ a8_bri_count = 4,
+};
+
+struct a8_pci_bri {
+ int cardnr;
+};
+
+struct a8_pci_info {
+ struct a8_pci_bri bri[a8_bri_count];
+};
+
+static int __devinit a8_pci_init_one(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ struct IsdnCard icard = { ISDN_CTYPE_SCT_QUADRO, };
+ int rc, i, found = 0;
+ struct a8_pci_info *api;
+
+ rc = pci_enable_device(pdev);
+ if (rc)
+ return rc;
+
+ api = kzalloc(sizeof(*api), GFP_KERNEL);
+ if (!api) {
+ rc = -ENOMEM;
+ goto err_out;
+ }
+
+ icard.para[1] = (unsigned long) pdev;
+ if (!a8_protocol)
+ icard.protocol = DEFAULT_PROTO;
+ else
+ icard.protocol = a8_protocol;
+
+ for (i = 0; i < a8_bri_count; i++) {
+ icard.para[0] = SCT_1 + i;
+ api->bri[i].cardnr =
+ hisax_init_hotplug(&icard, setup_sct_quadro);
+ if (api->bri[i].cardnr >= 0)
+ found = 1;
+ }
+
+ if (!found) {
+ rc = -ENODEV;
+ goto err_out_api;
+ }
+
+ pci_set_drvdata(pdev, api);
+ return 0;
+
+err_out_api:
+ kfree(api);
+err_out:
+ pci_disable_device(pdev);
+ return rc;
+}
+
+static void __devexit a8_pci_remove_one(struct pci_dev *pdev)
+{
+ struct a8_pci_info *api = pci_get_drvdata(pdev);
+ int i;
+
+ pci_set_drvdata(pdev, NULL);
+
+ for (i = 0; i < a8_bri_count; i++) {
+ struct a8_pci_bri *bri = &api->bri[i];
+
+ if (bri->cardnr >= 0)
+ HiSax_closecard(bri->cardnr);
+ }
+
+ kfree(api);
+ pci_disable_device(pdev);
+}
+
+static struct pci_device_id a8_pci_table[] = {
+ { PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050,
+ PCI_VENDOR_ID_BERKOM, PCI_DEVICE_ID_BERKOM_SCITEL_QUADRO, },
+
+ { } /* terminate list */
+};
+
+static struct pci_driver a8_pci_driver = {
+ .name = "bkm_a8",
+ .id_table = a8_pci_table,
+ .probe = a8_pci_init_one,
+ .remove = __devexit_p(a8_pci_remove_one),
+};
+
+static int __init a8_mod_init(void)
+{
+ return pci_register_driver(&a8_pci_driver);
+}
+
+static void __exit a8_mod_exit(void)
+{
+ pci_unregister_driver(&a8_pci_driver);
+}
+
+module_init(a8_mod_init);
+module_exit(a8_mod_exit);
+
+module_param_named(protocol, a8_protocol, int, 0444);
+MODULE_PARM_DESC(protocol, "Values 0 (default) through 4. See ISDN_PTYPE_xxx in linux/isdnif.h");
+
+MODULE_DEVICE_TABLE(pci, a8_pci_table);
+MODULE_DESCRIPTION("ISDN HiSax BKM SCT QUADRO (A8) PCI driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/isdn/hisax/config.c b/drivers/isdn/hisax/config.c
index 1744a35..ed3c4aa 100644
--- a/drivers/isdn/hisax/config.c
+++ b/drivers/isdn/hisax/config.c
@@ -208,13 +208,6 @@ const char *CardType[] = {
#define DEFAULT_CFG {5,0x250,0,0}
#endif

-#ifdef CONFIG_HISAX_SCT_QUADRO
-#undef DEFAULT_CARD
-#undef DEFAULT_CFG
-#define DEFAULT_CARD ISDN_CTYPE_SCT_QUADRO
-#define DEFAULT_CFG {1,0x0,0,0}
-#endif
-
#ifndef DEFAULT_CARD
#define DEFAULT_CARD 0
#define DEFAULT_CFG {0,0,0,0}
@@ -433,10 +426,6 @@ extern int setup_isurf(struct IsdnCard *card);
extern int setup_saphir(struct IsdnCard *card);
#endif

-#if CARD_SCT_QUADRO
-extern int setup_sct_quadro(struct IsdnCard *card);
-#endif
-
/*
* Find card with given driverId
*/
@@ -806,11 +795,6 @@ static int hisax_cs_setup_card(struct IsdnCard *card)
ret = setup_saphir(card);
break;
#endif
-#if CARD_SCT_QUADRO
- case ISDN_CTYPE_SCT_QUADRO:
- ret = setup_sct_quadro(card);
- break;
-#endif
case ISDN_CTYPE_DYNAMIC:
ret = 2;
break;
@@ -826,6 +810,7 @@ static int hisax_cs_setup_card(struct IsdnCard *card)
case ISDN_CTYPE_GAZEL:
case ISDN_CTYPE_NICCY:
case ISDN_CTYPE_DIEHLDIVA:
+ case ISDN_CTYPE_SCT_QUADRO:
printk(KERN_WARNING "HiSax: Support for %s Card has moved "
"to separate PCI driver module\n",
CardType[card->typ]);
@@ -1293,32 +1278,9 @@ static int __init HiSax_init(void)
case ISDN_CTYPE_GAZEL:
case ISDN_CTYPE_NICCY:
case ISDN_CTYPE_DIEHLDIVA:
- break;
-
case ISDN_CTYPE_SCT_QUADRO:
- if (irq[i]) {
- cards[j].para[0] = irq[i];
- } else {
- /* QUADRO is a 4 BRI card */
- cards[j++].para[0] = 1;
- /* we need to check if further cards can be added */
- if (j < HISAX_MAX_CARDS) {
- cards[j].typ = ISDN_CTYPE_SCT_QUADRO;
- cards[j].protocol = protocol[i];
- cards[j++].para[0] = 2;
- }
- if (j < HISAX_MAX_CARDS) {
- cards[j].typ = ISDN_CTYPE_SCT_QUADRO;
- cards[j].protocol = protocol[i];
- cards[j++].para[0] = 3;
- }
- if (j < HISAX_MAX_CARDS) {
- cards[j].typ = ISDN_CTYPE_SCT_QUADRO;
- cards[j].protocol = protocol[i];
- cards[j].para[0] = 4;
- }
- }
break;
+
}
j++;
}
@@ -1770,15 +1732,9 @@ static struct pci_device_id hisax_pci_tbl[] __devinitdata = {
{PCI_VENDOR_ID_ELSA, PCI_DEVICE_ID_ELSA_MICROLINK, PCI_ANY_ID, PCI_ANY_ID},
{PCI_VENDOR_ID_ELSA, PCI_DEVICE_ID_ELSA_QS3000, PCI_ANY_ID, PCI_ANY_ID},
#endif
-#ifdef CONFIG_HISAX_SCT_QUADRO
- {PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050, PCI_ANY_ID, PCI_ANY_ID},
-#endif
#ifdef CONFIG_HISAX_SEDLBAUER
{PCI_VENDOR_ID_TIGERJET, PCI_DEVICE_ID_TIGERJET_100, PCI_ANY_ID,PCI_ANY_ID},
#endif
-#if defined(CONFIG_HISAX_SCT_QUADRO)
- {PCI_VENDOR_ID_ZORAN, PCI_DEVICE_ID_ZORAN_36120, PCI_ANY_ID,PCI_ANY_ID},
-#endif
{ } /* Terminating entry */
};

-
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