aboutsummaryrefslogtreecommitdiff
path: root/drivers/isdn/hisax/nj_u.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/isdn/hisax/nj_u.c')
-rw-r--r--drivers/isdn/hisax/nj_u.c240
1 files changed, 127 insertions, 113 deletions
diff --git a/drivers/isdn/hisax/nj_u.c b/drivers/isdn/hisax/nj_u.c
index 1ae7cac98a8..4e8adbede36 100644
--- a/drivers/isdn/hisax/nj_u.c
+++ b/drivers/isdn/hisax/nj_u.c
@@ -1,11 +1,10 @@
-/* $Id: nj_u.c,v 2.14.2.3 2004/01/13 14:31:26 keil Exp $
+/* $Id: nj_u.c,v 2.14.2.3 2004/01/13 14:31:26 keil Exp $
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*
*/
-#include <linux/config.h>
#include <linux/init.h>
#include "hisax.h"
#include "icc.h"
@@ -19,7 +18,7 @@ static const char *NETjet_U_revision = "$Revision: 2.14.2.3 $";
static u_char dummyrr(struct IsdnCardState *cs, int chan, u_char off)
{
- return(5);
+ return (5);
}
static void dummywr(struct IsdnCardState *cs, int chan, u_char off, u_char value)
@@ -27,7 +26,7 @@ static void dummywr(struct IsdnCardState *cs, int chan, u_char off, u_char value
}
static irqreturn_t
-netjet_u_interrupt(int intno, void *dev_id, struct pt_regs *regs)
+netjet_u_interrupt(int intno, void *dev_id)
{
struct IsdnCardState *cs = dev_id;
u_char val, sval;
@@ -35,7 +34,7 @@ netjet_u_interrupt(int intno, void *dev_id, struct pt_regs *regs)
spin_lock_irqsave(&cs->lock, flags);
if (!((sval = bytein(cs->hw.njet.base + NETJET_IRQSTAT1)) &
- NETJET_ISACIRQ)) {
+ NETJET_ISACIRQ)) {
val = NETjet_ReadIC(cs, ICC_ISTA);
if (cs->debug & L1_DEB_ISAC)
debugl1(cs, "tiger: i1 %x %x", sval, val);
@@ -48,17 +47,17 @@ netjet_u_interrupt(int intno, void *dev_id, struct pt_regs *regs)
/* start new code 13/07/00 GE */
/* set bits in sval to indicate which page is free */
if (inl(cs->hw.njet.base + NETJET_DMA_WRITE_ADR) <
- inl(cs->hw.njet.base + NETJET_DMA_WRITE_IRQ))
+ inl(cs->hw.njet.base + NETJET_DMA_WRITE_IRQ))
/* the 2nd write page is free */
sval = 0x08;
else /* the 1st write page is free */
- sval = 0x04;
+ sval = 0x04;
if (inl(cs->hw.njet.base + NETJET_DMA_READ_ADR) <
- inl(cs->hw.njet.base + NETJET_DMA_READ_IRQ))
+ inl(cs->hw.njet.base + NETJET_DMA_READ_IRQ))
/* the 2nd read page is free */
sval = sval | 0x02;
else /* the 1st read page is free */
- sval = sval | 0x01;
+ sval = sval | 0x01;
if (sval != cs->hw.njet.last_is0) /* we have a DMA interrupt */
{
if (test_and_set_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags)) {
@@ -66,12 +65,12 @@ netjet_u_interrupt(int intno, void *dev_id, struct pt_regs *regs)
return IRQ_HANDLED;
}
cs->hw.njet.irqstat0 = sval;
- if ((cs->hw.njet.irqstat0 & NETJET_IRQM0_READ) !=
- (cs->hw.njet.last_is0 & NETJET_IRQM0_READ))
+ if ((cs->hw.njet.irqstat0 & NETJET_IRQM0_READ) !=
+ (cs->hw.njet.last_is0 & NETJET_IRQM0_READ))
/* we have a read dma int */
read_tiger(cs);
if ((cs->hw.njet.irqstat0 & NETJET_IRQM0_WRITE) !=
- (cs->hw.njet.last_is0 & NETJET_IRQM0_WRITE))
+ (cs->hw.njet.last_is0 & NETJET_IRQM0_WRITE))
/* we have a write dma int */
write_tiger(cs);
/* end new code 13/07/00 GE */
@@ -105,125 +104,98 @@ NETjet_U_card_msg(struct IsdnCardState *cs, int mt, void *arg)
u_long flags;
switch (mt) {
- case CARD_RESET:
- spin_lock_irqsave(&cs->lock, flags);
- reset_netjet_u(cs);
- spin_unlock_irqrestore(&cs->lock, flags);
- return(0);
- case CARD_RELEASE:
- release_io_netjet(cs);
- return(0);
- case CARD_INIT:
- spin_lock_irqsave(&cs->lock, flags);
- inittiger(cs);
- reset_netjet_u(cs);
- clear_pending_icc_ints(cs);
- initicc(cs);
- /* Reenable all IRQ */
- cs->writeisac(cs, ICC_MASK, 0);
- spin_unlock_irqrestore(&cs->lock, flags);
- return(0);
- case CARD_TEST:
- return(0);
+ case CARD_RESET:
+ spin_lock_irqsave(&cs->lock, flags);
+ reset_netjet_u(cs);
+ spin_unlock_irqrestore(&cs->lock, flags);
+ return (0);
+ case CARD_RELEASE:
+ release_io_netjet(cs);
+ return (0);
+ case CARD_INIT:
+ spin_lock_irqsave(&cs->lock, flags);
+ inittiger(cs);
+ reset_netjet_u(cs);
+ clear_pending_icc_ints(cs);
+ initicc(cs);
+ /* Reenable all IRQ */
+ cs->writeisac(cs, ICC_MASK, 0);
+ spin_unlock_irqrestore(&cs->lock, flags);
+ return (0);
+ case CARD_TEST:
+ return (0);
}
- return(0);
+ return (0);
}
-static struct pci_dev *dev_netjet __initdata = NULL;
-
-int __init
-setup_netjet_u(struct IsdnCard *card)
+static int nju_pci_probe(struct pci_dev *dev_netjet, struct IsdnCardState *cs)
{
- int bytecnt;
- struct IsdnCardState *cs = card->cs;
- char tmp[64];
-#ifdef CONFIG_PCI
-#endif
-#ifdef __BIG_ENDIAN
-#error "not running on big endian machines now"
-#endif
- 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);
- test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
-
-#ifdef CONFIG_PCI
+ if (pci_enable_device(dev_netjet))
+ return (0);
+ pci_set_master(dev_netjet);
+ cs->irq = dev_netjet->irq;
+ if (!cs->irq) {
+ printk(KERN_WARNING "NETspider-U: No IRQ for PCI card found\n");
+ return (0);
+ }
+ cs->hw.njet.base = pci_resource_start(dev_netjet, 0);
+ if (!cs->hw.njet.base) {
+ printk(KERN_WARNING "NETspider-U: No IO-Adr for PCI card found\n");
+ return (0);
+ }
- for ( ;; )
- {
- if ((dev_netjet = pci_find_device(PCI_VENDOR_ID_TIGERJET,
- PCI_DEVICE_ID_TIGERJET_300, dev_netjet))) {
- if (pci_enable_device(dev_netjet))
- return(0);
- pci_set_master(dev_netjet);
- cs->irq = dev_netjet->irq;
- if (!cs->irq) {
- printk(KERN_WARNING "NETspider-U: No IRQ for PCI card found\n");
- return(0);
- }
- cs->hw.njet.base = pci_resource_start(dev_netjet, 0);
- if (!cs->hw.njet.base) {
- printk(KERN_WARNING "NETspider-U: No IO-Adr for PCI card found\n");
- return(0);
- }
- } else {
- printk(KERN_WARNING "NETspider-U: No PCI card found\n");
- return(0);
- }
+ return (1);
+}
- cs->hw.njet.auxa = cs->hw.njet.base + NETJET_AUXDATA;
- cs->hw.njet.isac = cs->hw.njet.base | NETJET_ISAC_OFF;
- mdelay(10);
+static int nju_cs_init(struct IsdnCard *card, struct IsdnCardState *cs)
+{
+ cs->hw.njet.auxa = cs->hw.njet.base + NETJET_AUXDATA;
+ cs->hw.njet.isac = cs->hw.njet.base | NETJET_ISAC_OFF;
+ mdelay(10);
- cs->hw.njet.ctrl_reg = 0xff; /* Reset On */
- byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
- mdelay(10);
+ cs->hw.njet.ctrl_reg = 0xff; /* Reset On */
+ byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
+ mdelay(10);
- cs->hw.njet.ctrl_reg = 0x00; /* Reset Off and status read clear */
- byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
- mdelay(10);
+ cs->hw.njet.ctrl_reg = 0x00; /* Reset Off and status read clear */
+ byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
+ mdelay(10);
- cs->hw.njet.auxd = 0xC0;
- cs->hw.njet.dmactrl = 0;
+ cs->hw.njet.auxd = 0xC0;
+ cs->hw.njet.dmactrl = 0;
- byteout(cs->hw.njet.auxa, 0);
- byteout(cs->hw.njet.base + NETJET_AUXCTRL, ~NETJET_ISACIRQ);
- byteout(cs->hw.njet.base + NETJET_IRQMASK1, NETJET_ISACIRQ);
- byteout(cs->hw.njet.auxa, cs->hw.njet.auxd);
+ byteout(cs->hw.njet.auxa, 0);
+ byteout(cs->hw.njet.base + NETJET_AUXCTRL, ~NETJET_ISACIRQ);
+ byteout(cs->hw.njet.base + NETJET_IRQMASK1, NETJET_ISACIRQ);
+ byteout(cs->hw.njet.auxa, cs->hw.njet.auxd);
- switch ( ( ( NETjet_ReadIC( cs, ICC_RBCH ) >> 5 ) & 3 ) )
- {
- case 3 :
- break;
+ switch (((NETjet_ReadIC(cs, ICC_RBCH) >> 5) & 3))
+ {
+ case 3:
+ return 1; /* end loop */
- case 0 :
- printk( KERN_WARNING "NETspider-U: NETjet-S PCI card found\n" );
- continue;
+ case 0:
+ printk(KERN_WARNING "NETspider-U: NETjet-S PCI card found\n");
+ return -1; /* continue looping */
- default :
- printk( KERN_WARNING "NETspider-U: No PCI card found\n" );
- return 0;
- }
- break;
+ default:
+ printk(KERN_WARNING "NETspider-U: No PCI card found\n");
+ return 0; /* end loop & function */
}
-#else
-
- printk(KERN_WARNING "NETspider-U: NO_PCI_BIOS\n");
- printk(KERN_WARNING "NETspider-U: unable to config NETspider-U PCI\n");
- return (0);
-
-#endif /* CONFIG_PCI */
+ return 1; /* end loop */
+}
- bytecnt = 256;
+static int nju_cs_init_rest(struct IsdnCard *card, struct IsdnCardState *cs)
+{
+ const int bytecnt = 256;
printk(KERN_INFO
- "NETspider-U: PCI card configured at %#lx IRQ %d\n",
- cs->hw.njet.base, cs->irq);
+ "NETspider-U: PCI card configured at %#lx IRQ %d\n",
+ 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: NETspider-U config port %#lx-%#lx "
+ "already in use\n",
cs->hw.njet.base,
cs->hw.njet.base + bytecnt);
return (0);
@@ -238,7 +210,49 @@ setup_netjet_u(struct IsdnCard *card)
cs->BC_Send_Data = &netjet_fill_dma;
cs->cardmsg = &NETjet_U_card_msg;
cs->irq_func = &netjet_u_interrupt;
- cs->irq_flags |= SA_SHIRQ;
+ cs->irq_flags |= IRQF_SHARED;
ICCVersion(cs, "NETspider-U:");
+
return (1);
}
+
+static struct pci_dev *dev_netjet = NULL;
+
+int setup_netjet_u(struct IsdnCard *card)
+{
+ int ret;
+ struct IsdnCardState *cs = card->cs;
+ char tmp[64];
+
+#ifdef __BIG_ENDIAN
+#error "not running on big endian machines now"
+#endif
+
+ 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);
+ test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
+
+ for (;;)
+ {
+ if ((dev_netjet = hisax_find_pci_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_cs_init(card, cs);
+ if (!ret)
+ return (0);
+ if (ret > 0)
+ break;
+ /* ret < 0 == continue looping */
+ }
+
+ return nju_cs_init_rest(card, cs);
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 20:28:41 +0000