patch-2.3.14 linux/drivers/scsi/blz1230.c

• Lines: 108
• Date: Wed Aug 18 10:00:52 1999
• Orig file: v2.3.13/linux/drivers/scsi/blz1230.c
• Orig date: Wed Nov 11 11:50:00 1998

diff -u --recursive --new-file v2.3.13/linux/drivers/scsi/blz1230.c linux/drivers/scsi/blz1230.c
@@ -14,6 +14,8 @@
  *    routines in this file used to be inline!
  */
 
+#include <linux/module.h>
+
 #include <linux/kernel.h>
 #include <linux/delay.h>
 #include <linux/types.h>
@@ -55,7 +57,7 @@
 				 */
 
 /***************************************************************** Detection */
-int blz1230_esp_detect(Scsi_Host_Template *tpnt)
+int __init blz1230_esp_detect(Scsi_Host_Template *tpnt)
 {
 	struct NCR_ESP *esp;
 	const struct ConfigDev *esp_dev;
@@ -80,12 +82,15 @@
 		eregs = (struct ESP_regs *)(address + BLZ1230II_ESP_ADDR);
 #endif
 
-		eregs->esp_cfg1 = (ESP_CONFIG1_PENABLE | 7);
+		esp = esp_allocate(tpnt, (void *) esp_dev);
+
+		esp_write(eregs->esp_cfg1, (ESP_CONFIG1_PENABLE | 7));
 		udelay(5);
-		if(eregs->esp_cfg1 != (ESP_CONFIG1_PENABLE | 7))
+		if(esp_read(eregs->esp_cfg1) != (ESP_CONFIG1_PENABLE | 7)){
+			esp_deallocate(esp);
+			scsi_unregister(esp->ehost);
 			return 0; /* Bail out if address did not hold data */
-
-		esp = esp_allocate(tpnt, (void *) esp_dev);
+		}
 
 		/* Do command transfer with programmed I/O */
 		esp->do_pio_cmds = 1;
@@ -131,24 +136,24 @@
 
 		/* Set the command buffer */
 		esp->esp_command = (volatile unsigned char*) cmd_buffer;
-		esp->esp_command_dvma = virt_to_bus((unsigned long) cmd_buffer);
+		esp->esp_command_dvma = virt_to_bus(cmd_buffer);
 
 		esp->irq = IRQ_AMIGA_PORTS;
-		request_irq(IRQ_AMIGA_PORTS, esp_intr, 0, 
+		esp->slot = key;
+		request_irq(IRQ_AMIGA_PORTS, esp_intr, SA_SHIRQ,
 			    "Blizzard 1230 SCSI IV", esp_intr);
 
 		/* Figure out our scsi ID on the bus */
 		esp->scsi_id = 7;
 		
-		/* Check for differential SCSI-bus */
-		/* What is this stuff? */
+		/* We don't have a differential SCSI-bus. */
 		esp->diff = 0;
 
 		esp_initialize(esp);
 
 		zorro_config_board(key, 0);
 
-		printk("\nESP: Total of %d ESP hosts found, %d actually in use.\n", nesps,esps_in_use);
+		printk("ESP: Total of %d ESP hosts found, %d actually in use.\n", nesps, esps_in_use);
 		esps_running = esps_in_use;
 		return esps_in_use;
 	}
@@ -249,7 +254,7 @@
 
 static int dma_irq_p(struct NCR_ESP *esp)
 {
-	return (esp->eregs->esp_status & ESP_STAT_INTR);
+	return (esp_read(esp->eregs->esp_status) & ESP_STAT_INTR);
 }
 
 static int dma_ports_p(struct NCR_ESP *esp)
@@ -267,4 +272,30 @@
 	} else {
 		dma_init_write(esp, addr, count);
 	}
+}
+
+#ifdef MODULE
+
+#define HOSTS_C
+
+#include "blz1230.h"
+
+Scsi_Host_Template driver_template = SCSI_BLZ1230;
+
+#include "scsi_module.c"
+
+#endif
+
+int blz1230_esp_release(struct Scsi_Host *instance)
+{
+#ifdef MODULE
+	unsigned int key;
+
+	key = ((struct NCR_ESP *)instance->hostdata)->slot;
+	esp_deallocate((struct NCR_ESP *)instance->hostdata);
+	esp_release();
+	zorro_unconfig_board(key, 0);
+	free_irq(IRQ_AMIGA_PORTS, esp_intr);
+#endif
+	return 1;
 }