patch-2.4.25 linux-2.4.25/drivers/scsi/amiga7xx.c

• Lines: 194
• Date: 2004-02-18 05:36:31.000000000 -0800
• Orig file: linux-2.4.24/drivers/scsi/amiga7xx.c
• Orig date: 2003-06-13 07:51:36.000000000 -0700

diff -urN linux-2.4.24/drivers/scsi/amiga7xx.c linux-2.4.25/drivers/scsi/amiga7xx.c
@@ -1,6 +1,6 @@
 /*
  * Detection routine for the NCR53c710 based Amiga SCSI Controllers for Linux.
- *  		Amiga MacroSystemUS WarpEngine SCSI controller.
+ *		Amiga MacroSystemUS WarpEngine SCSI controller.
  *		Amiga Technologies A4000T SCSI controller.
  *		Amiga Technologies/DKB A4091 SCSI controller.
  *
@@ -14,13 +14,13 @@
 #include <linux/version.h>
 #include <linux/config.h>
 #include <linux/zorro.h>
+#include <linux/stat.h>
 
 #include <asm/setup.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/amigaints.h>
 #include <asm/amigahw.h>
-
 #include <asm/irq.h>
 
 #include "scsi.h"
@@ -28,107 +28,83 @@
 #include "53c7xx.h"
 #include "amiga7xx.h"
 
-#include<linux/stat.h>
-
-extern int ncr53c7xx_init (Scsi_Host_Template *tpnt, int board, int chip, 
-			   u32 base, int io_port, int irq, int dma,
-			   long long options, int clock);
 
-int __init amiga7xx_detect(Scsi_Host_Template *tpnt)
+static int amiga7xx_register_one(Scsi_Host_Template *tpnt,
+				 unsigned long address)
 {
-    static unsigned char called = 0;
-    int num = 0, clock;
     long long options;
-    struct zorro_dev *z = NULL;
-    unsigned long address;
+    int clock;
 
-    if (called || !MACH_IS_AMIGA)
+    if (!request_mem_region(address, 0x1000, "ncr53c710"))
 	return 0;
 
-    tpnt->proc_name = "Amiga7xx";
+    address = (unsigned long)z_ioremap(address, 0x1000);
+    options = OPTION_MEMORY_MAPPED | OPTION_DEBUG_TEST1 | OPTION_INTFLY |
+	      OPTION_SYNCHRONOUS | OPTION_ALWAYS_SYNCHRONOUS |
+	      OPTION_DISCONNECT;
+    clock = 50000000;	/* 50 MHz SCSI Clock */
+    ncr53c7xx_init(tpnt, 0, 710, address, 0, IRQ_AMIGA_PORTS, DMA_NONE,
+		   options, clock);
+    return 1;
+}
 
-#ifdef CONFIG_A4000T_SCSI
-    if (AMIGAHW_PRESENT(A4000_SCSI)) {
-	address = 0xdd0040;
-	if (request_mem_region(address, 0x1000, "ncr53c710")) { 
-	    address = ZTWO_VADDR(address);
-	    options = OPTION_MEMORY_MAPPED | OPTION_DEBUG_TEST1 |
-		      OPTION_INTFLY | OPTION_SYNCHRONOUS |
-		      OPTION_ALWAYS_SYNCHRONOUS | OPTION_DISCONNECT;
-	    clock = 50000000;	/* 50MHz SCSI Clock */
-	    ncr53c7xx_init(tpnt, 0, 710, address, 0, IRQ_AMIGA_PORTS, DMA_NONE,
-			   options, clock);
-	    num++;
-	}
-    }
-#endif
+
+#ifdef CONFIG_ZORRO
+
+static struct {
+    zorro_id id;
+    unsigned long offset;
+    int absolute;	/* offset is absolute address */
+} amiga7xx_table[] = {
+    { .id = ZORRO_PROD_PHASE5_BLIZZARD_603E_PLUS, .offset = 0xf40000,
+      .absolute = 1 },
+    { .id = ZORRO_PROD_MACROSYSTEMS_WARP_ENGINE_40xx, .offset = 0x40000 },
+    { .id = ZORRO_PROD_CBM_A4091_1, .offset = 0x800000 },
+    { .id = ZORRO_PROD_CBM_A4091_2, .offset = 0x800000 },
+    { .id = ZORRO_PROD_GVP_GFORCE_040_060, .offset = 0x40000 },
+    { 0 }
+};
+
+static int __init amiga7xx_zorro_detect(Scsi_Host_Template *tpnt)
+{
+    int num = 0, i;
+    struct zorro_dev *z = NULL;
+    unsigned long address;
 
     while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {
-	unsigned long address = z->resource.start;
-	unsigned long size = z->resource.end-z->resource.start+1;
-	switch (z->id) {
-#ifdef CONFIG_BLZ603EPLUS_SCSI
-	    case ZORRO_PROD_PHASE5_BLIZZARD_603E_PLUS:
-		address = 0xf40000;
-		if (request_mem_region(address, 0x1000, "ncr53c710")) {
-		    address = ZTWO_VADDR(address);
-		    options = OPTION_MEMORY_MAPPED | OPTION_DEBUG_TEST1 |
-			      OPTION_INTFLY | OPTION_SYNCHRONOUS | 
-			      OPTION_ALWAYS_SYNCHRONOUS | OPTION_DISCONNECT;
-		    clock = 50000000;	/* 50MHz SCSI Clock */
-		    ncr53c7xx_init(tpnt, 0, 710, address, 0, IRQ_AMIGA_PORTS,
-				   DMA_NONE, options, clock);
-		    num++;
-		}
+	for (i = 0; amiga7xx_table[i].id; i++)
+	    if (z->id == amiga7xx_table[i].id)
 		break;
-#endif
+	if (!amiga7xx_table[i].id)
+	    continue;
+	if (amiga7xx_table[i].absolute)
+	    address = amiga7xx_table[i].offset;
+	else
+	    address = z->resource.start + amiga7xx_table[i].offset;
+	num += amiga7xx_register_one(tpnt, address);
+    }
+    return num;
+}
 
-#ifdef CONFIG_WARPENGINE_SCSI
-    	    case ZORRO_PROD_MACROSYSTEMS_WARP_ENGINE_40xx:
-		if (request_mem_region(address+0x40000, 0x1000, "ncr53c710")) {
-		    address = (unsigned long)z_ioremap(address, size);
-		    options = OPTION_MEMORY_MAPPED | OPTION_DEBUG_TEST1 |
-			      OPTION_INTFLY | OPTION_SYNCHRONOUS |
-			      OPTION_ALWAYS_SYNCHRONOUS | OPTION_DISCONNECT;
-		    clock = 50000000;	/* 50MHz SCSI Clock */
-		    ncr53c7xx_init(tpnt, 0, 710, address+0x40000, 0,
-				   IRQ_AMIGA_PORTS, DMA_NONE, options, clock);
-		    num++;
-		}
-		break;
-#endif
+#endif /* CONFIG_ZORRO */
 
-#ifdef CONFIG_A4091_SCSI
-	    case ZORRO_PROD_CBM_A4091_1:
-	    case ZORRO_PROD_CBM_A4091_2:
-		if (request_mem_region(address+0x800000, 0x1000, "ncr53c710")) {
-		    address = (unsigned long)z_ioremap(address, size);
-		    options = OPTION_MEMORY_MAPPED | OPTION_DEBUG_TEST1 |
-			      OPTION_INTFLY | OPTION_SYNCHRONOUS |
-			      OPTION_ALWAYS_SYNCHRONOUS | OPTION_DISCONNECT;
-		    clock = 50000000;	/* 50MHz SCSI Clock */
-		    ncr53c7xx_init(tpnt, 0, 710, address+0x800000, 0,
-				   IRQ_AMIGA_PORTS, DMA_NONE, options, clock);
-		    num++;
-		}
-		break;
-#endif
 
-#ifdef CONFIG_GVP_TURBO_SCSI
-    	    case ZORRO_PROD_GVP_GFORCE_040_060:
-		if (request_mem_region(address+0x40000, 0x1000, "ncr53c710")) {
-		    address = ZTWO_VADDR(address);
-		    options = OPTION_MEMORY_MAPPED | OPTION_DEBUG_TEST1 |
-			      OPTION_INTFLY | OPTION_SYNCHRONOUS |
-			      OPTION_ALWAYS_SYNCHRONOUS | OPTION_DISCONNECT;
-		    clock = 50000000;	/* 50MHz SCSI Clock */
-		    ncr53c7xx_init(tpnt, 0, 710, address+0x40000, 0,
-				   IRQ_AMIGA_PORTS, DMA_NONE, options, clock);
-		    num++;
-		}
+int __init amiga7xx_detect(Scsi_Host_Template *tpnt)
+{
+    static unsigned char called = 0;
+    int num = 0;
+
+    if (called || !MACH_IS_AMIGA)
+	return 0;
+
+    tpnt->proc_name = "Amiga7xx";
+
+    if (AMIGAHW_PRESENT(A4000_SCSI))
+	num += amiga7xx_register_one(tpnt, 0xdd0040);
+
+#ifdef CONFIG_ZORRO
+    num += amiga7xx_zorro_detect(tpnt);
 #endif
-	}
-    }
 
     called = 1;
     return num;