linux-vax-kern-commit

[Dave A. <ai...@us...>]

Update of /cvsroot/linux-vax/kernel-2.4/drivers/char
In directory usw-pr-cvs1:/tmp/cvs-serv6885/drivers/char

Modified Files:
	dz.c dz.h 
Log Message:
DA: added autoprobe support for vsbus to dz/vaxlance.. needs a lot of testing
on machines that aren't mine 


Index: dz.c
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/drivers/char/dz.c,v
retrieving revision 1.5
retrieving revision 1.6
diff -u -r1.5 -r1.6
--- dz.c	2001/06/09 14:07:38	1.5
+++ dz.c	2001/06/17 11:43:44	1.6
@@ -66,6 +66,7 @@
 #include <asm/irq.h>
 
 #ifdef CONFIG_VAX
+#include <asm/vsa.h>
 #include <asm/dz11.h>
 volatile struct dz11_regs *dz11_addr;
 #else
@@ -398,7 +399,7 @@
   if (status & DZ_RDONE) 
       receive_chars (info);          /* the receive function */
 
-  vsbus_clear_int(7);
+  vsbus_clear_int(dz_vsbus_rx_int);
 
 }
 
@@ -413,7 +414,7 @@
   if (status & DZ_TRDY) 
     transmit_chars (info);
 
-  vsbus_clear_int(6);
+  vsbus_clear_int(dz_vsbus_tx_int);
 
 }
 #else
@@ -526,8 +527,8 @@
   dz_out (info, DZ_CSR, tmp);
 
 #ifdef CONFIG_VAX
-  vsbus_enable_int(6);
-  vsbus_enable_int(7);
+  vsbus_enable_int(dz_vsbus_rx_int);
+  vsbus_enable_int(dz_vsbus_tx_int);
 #endif
   info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
 
@@ -1434,7 +1435,7 @@
     if (! info->port)
       return 0;
 #ifdef CONFIG_VAX
-    printk("ttyS%d at 0x%04x (irq = %d, %d)\n", info->line, info->port, SERIAL_RX, SERIAL_TX);
+    printk("ttyS%d at 0x%04x\n", info->line, info->port);
 #else
     printk("ttyS%d at 0x%04x (irq = %d)\n", info->line, info->port, SERIAL);
 #endif
@@ -1453,29 +1454,45 @@
      is updated... in request_irq - to immediatedly obliterate
      it is unwise. */
   restore_flags(flags); 
-#if 0
+#if CONFIG_VAX
   {
     short i;
-
-  
+    unsigned char num;
     autoirq_setup(0);
-    vsbus_enable_int(6);
+    vsbus_probe_irq_on();
     i = dz_in(info, DZ_TCR);
     dz_out(info, DZ_CSR, DZ_MSE|DZ_TIE);
     dz_out(info, DZ_TCR, 0);
-    udelay(100);
+    udelay(1000);
     dz_out(info, DZ_TCR, 1);
     udelay(10000);
+    dz_out(info, DZ_TCR, i);
+    num=vsbus_probe_irq_report();
+    irq=autoirq_report(0);
+     if (num)
+      {
+	dz_vsbus_tx_int=num;
+	dz_vsbus_rx_int=num+1;
+      }
+    autoirq_setup(0);
+    
+    vsbus_enable_int(num);
+
+    i = dz_in(info, DZ_TCR);
+    dz_out(info, DZ_CSR, DZ_MSE|DZ_TIE);
+    dz_out(info, DZ_TCR, 0);
+    udelay(1000);
     dz_out(info, DZ_TCR, 1);
-    vsbus_clear_int(6);
-    irq=autoirq_report(100);
+    udelay(10000);
+    dz_out(info, DZ_TCR, i);
+    vsbus_clear_int(num);
+    vsbus_disable_int(num);
+    irq=autoirq_report(100);     
   }
-  printk("going for IRQ %d\n", irq);
-#endif
-#ifdef CONFIG_VAX
-  if (request_irq (SERIAL_TX, dz_interrupt_tx, SA_INTERRUPT, "DZ", lines[0]))
+  printk("dz.c: using irq rx %d, irq tx %d\n", irq-1, irq);
+  if (request_irq (irq, dz_interrupt_tx, SA_INTERRUPT, "DZ", lines[0]))
     panic ("Unable to register DZ interrupt\n");
-  if (request_irq (SERIAL_RX, dz_interrupt_rx, SA_INTERRUPT, "DZ", lines[0]))
+  if (request_irq (irq-1, dz_interrupt_rx, SA_INTERRUPT, "DZ", lines[0]))
     panic ("Unable to register DZ interrupt\n");
 #else
   if (request_irq (SERIAL, dz_interrupt_rx, SA_INTERRUPT, "DZ", lines[0]))

Index: dz.h
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/drivers/char/dz.h,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -r1.3 -r1.4
--- dz.h	2001/06/09 14:07:38	1.3
+++ dz.h	2001/06/17 11:43:44	1.4
@@ -192,6 +192,9 @@
 
 static int serial_refcount;
 
+#ifdef CONFIG_VAX
+static unsigned char dz_vsbus_rx_int, dz_vsbus_tx_int;
+#endif
 /*
  * tmp_buf is used as a temporary buffer by serial_write.  We need to
  * lock it in case the copy_from_user blocks while swapping in a page,