patch-2.3.14 linux/drivers/isdn/hisax/telespci.c

• Lines: 186
• Date: Thu Aug 12 09:42:33 1999
• Orig file: v2.3.13/linux/drivers/isdn/hisax/telespci.c
• Orig date: Tue Jun 1 23:25:48 1999

diff -u --recursive --new-file v2.3.13/linux/drivers/isdn/hisax/telespci.c linux/drivers/isdn/hisax/telespci.c
@@ -1,4 +1,4 @@
-/* $Id: telespci.c,v 2.5 1998/11/15 23:55:28 keil Exp $
+/* $Id: telespci.c,v 2.9 1999/08/11 21:01:34 keil Exp $
 
  * telespci.c     low level stuff for Teles PCI isdn cards
  *
@@ -7,6 +7,19 @@
  *
  *
  * $Log: telespci.c,v $
+ * Revision 2.9  1999/08/11 21:01:34  keil
+ * new PCI codefix
+ *
+ * Revision 2.8  1999/08/10 16:02:10  calle
+ * struct pci_dev changed in 2.3.13. Made the necessary changes.
+ *
+ * Revision 2.7  1999/07/12 21:05:34  keil
+ * fix race in IRQ handling
+ * added watchdog for lost IRQs
+ *
+ * Revision 2.6  1999/07/01 08:12:15  keil
+ * Common HiSax version for 2.0, 2.1, 2.2 and 2.3 kernel
+ *
  * Revision 2.5  1998/11/15 23:55:28  keil
  * changes from 2.0
  *
@@ -24,16 +37,17 @@
  */
 #define __NO_VERSION__
 #include <linux/config.h>
-#include <linux/string.h>
 #include "hisax.h"
 #include "isac.h"
 #include "hscx.h"
 #include "isdnl1.h"
 #include <linux/pci.h>
+#ifndef COMPAT_HAS_NEW_PCI
+#include <linux/bios32.h>
+#endif
 
 extern const char *CardType[];
-
-const char *telespci_revision = "$Revision: 2.5 $";
+const char *telespci_revision = "$Revision: 2.9 $";
 
 #define ZORAN_PO_RQ_PEN	0x02000000
 #define ZORAN_PO_WR	0x00800000
@@ -243,35 +257,27 @@
 {
 #define MAXCOUNT 20
 	struct IsdnCardState *cs = dev_id;
-	u_char val, stat = 0;
+	u_char val;
 
 	if (!cs) {
 		printk(KERN_WARNING "TelesPCI: Spurious interrupt!\n");
 		return;
 	}
 	val = readhscx(cs->hw.teles0.membase, 1, HSCX_ISTA);
-	if (val) {
+	if (val)
 		hscx_int_main(cs, val);
-		stat |= 1;
-	}
 	val = readisac(cs->hw.teles0.membase, ISAC_ISTA);
-	if (val) {
+	if (val)
 		isac_interrupt(cs, val);
-		stat |= 2;
-	}
 	/* Clear interrupt register for Zoran PCI controller */
 	writel(0x70000000, cs->hw.teles0.membase + 0x3C);
 
-	if (stat & 1) {
-		writehscx(cs->hw.teles0.membase, 0, HSCX_MASK, 0xFF);
-		writehscx(cs->hw.teles0.membase, 1, HSCX_MASK, 0xFF);
-		writehscx(cs->hw.teles0.membase, 0, HSCX_MASK, 0x0);
-		writehscx(cs->hw.teles0.membase, 1, HSCX_MASK, 0x0);
-	}
-	if (stat & 2) {
-		writeisac(cs->hw.teles0.membase, ISAC_MASK, 0xFF);
-		writeisac(cs->hw.teles0.membase, ISAC_MASK, 0x0);
-	}
+	writehscx(cs->hw.teles0.membase, 0, HSCX_MASK, 0xFF);
+	writehscx(cs->hw.teles0.membase, 1, HSCX_MASK, 0xFF);
+	writeisac(cs->hw.teles0.membase, ISAC_MASK, 0xFF);
+	writeisac(cs->hw.teles0.membase, ISAC_MASK, 0x0);
+	writehscx(cs->hw.teles0.membase, 0, HSCX_MASK, 0x0);
+	writehscx(cs->hw.teles0.membase, 1, HSCX_MASK, 0x0);
 }
 
 void
@@ -289,9 +295,6 @@
 		case CARD_RELEASE:
 			release_io_telespci(cs);
 			return(0);
-		case CARD_SETIRQ:
-			return(request_irq(cs->irq, &telespci_interrupt,
-					I4L_IRQ_FLAG | SA_SHIRQ, "HiSax", cs));
 		case CARD_INIT:
 			inithscxisac(cs, 3);
 			return(0);
@@ -301,20 +304,29 @@
 	return(0);
 }
 
+#ifdef COMPAT_HAS_NEW_PCI
 static 	struct pci_dev *dev_tel __initdata = NULL;
+#else
+static 	int pci_index __initdata = 0;
+#endif
 
 __initfunc(int
 setup_telespci(struct IsdnCard *card))
 {
 	struct IsdnCardState *cs = card->cs;
 	char tmp[64];
+#ifndef COMPAT_HAS_NEW_PCI
+	u_char pci_bus, pci_device_fn, pci_irq;
+	u_int pci_memaddr;
+	u_char found = 0;
+#endif
 
 	strcpy(tmp, telespci_revision);
 	printk(KERN_INFO "HiSax: Teles/PCI driver Rev. %s\n", HiSax_getrev(tmp));
 	if (cs->typ != ISDN_CTYPE_TELESPCI)
 		return (0);
-
 #if CONFIG_PCI
+#ifdef COMPAT_HAS_NEW_PCI
 	if (!pci_present()) {
 		printk(KERN_ERR "TelesPCI: no PCI bus present\n");
 		return(0);
@@ -325,15 +337,41 @@
 			printk(KERN_WARNING "Teles: No IRQ for PCI card found\n");
 			return(0);
 		}
-		cs->hw.teles0.membase = (u_int) ioremap(dev_tel->base_address[0],
+		cs->hw.teles0.membase = (u_int) ioremap(get_pcibase(dev_tel, 0),
 			PAGE_SIZE);
 		printk(KERN_INFO "Found: Zoran, base-address: 0x%lx, irq: 0x%x\n",
-			dev_tel->base_address[0], dev_tel->irq);
+			get_pcibase(dev_tel, 0), dev_tel->irq);
 	} else {
 		printk(KERN_WARNING "TelesPCI: No PCI card found\n");
 		return(0);
 	}
 #else
+	for (; pci_index < 0xff; pci_index++) {
+		if (pcibios_find_device (0x11DE, 0x6120,
+			pci_index, &pci_bus, &pci_device_fn)
+			== PCIBIOS_SUCCESSFUL) {
+			found = 1;
+		} else {
+			break;
+		}
+		pcibios_read_config_dword(pci_bus, pci_device_fn,
+				PCI_BASE_ADDRESS_0, &pci_memaddr);
+		pcibios_read_config_byte(pci_bus, pci_device_fn,
+				PCI_INTERRUPT_LINE, &pci_irq);
+
+		printk(KERN_INFO "Found: Zoran, base-address: 0x%x,"
+			" irq: 0x%x\n", pci_memaddr, pci_irq);
+		break;
+	}
+	if (!found) {
+		printk(KERN_WARNING "TelesPCI: No PCI card found\n");
+		return(0);
+	}
+	pci_index++;
+	cs->irq = pci_irq;
+	cs->hw.teles0.membase = (u_int) vremap(pci_memaddr, PAGE_SIZE);
+#endif /* COMPAT_HAS_NEW_PCI */
+#else
 	printk(KERN_WARNING "HiSax: Teles/PCI and NO_PCI_BIOS\n");
 	printk(KERN_WARNING "HiSax: Teles/PCI unable to config\n");
 	return (0);
@@ -361,6 +399,8 @@
 	cs->BC_Write_Reg = &WriteHSCX;
 	cs->BC_Send_Data = &hscx_fill_fifo;
 	cs->cardmsg = &TelesPCI_card_msg;
+	cs->irq_func = &telespci_interrupt;
+	cs->irq_flags |= SA_SHIRQ;
 	ISACVersion(cs, "TelesPCI:");
 	if (HscxVersion(cs, "TelesPCI:")) {
 		printk(KERN_WARNING