patch-2.1.29 linux/drivers/scsi/dtc.c

• Lines: 63
• Date: Thu Mar 6 10:23:04 1997
• Orig file: v2.1.28/linux/drivers/scsi/dtc.c
• Orig date: Wed Nov 6 02:21:09 1996

diff -u --recursive --new-file v2.1.28/linux/drivers/scsi/dtc.c linux/drivers/scsi/dtc.c
@@ -87,6 +87,53 @@
 #include<linux/stat.h>
 #include<linux/string.h>
 
+
+#define DTC_PUBLIC_RELEASE 2
+
+/*#define DTCDEBUG 0x1*/
+#define DTCDEBUG_INIT	0x1
+#define DTCDEBUG_TRANSFER 0x2
+
+/*
+ * The DTC3180 & 3280 boards are memory mapped.
+ * 
+ */
+
+/*
+ */ 
+/* Offset from DTC_5380_OFFSET */
+#define DTC_CONTROL_REG		0x100	/* rw */
+#define D_CR_ACCESS		0x80	/* ro set=can access 3280 registers */
+#define CSR_DIR_READ		0x40	/* rw direction, 1 = read 0 = write */
+
+#define CSR_RESET              0x80    /* wo  Resets 53c400 */
+#define CSR_5380_REG           0x80    /* ro  5380 registers can be accessed */
+#define CSR_TRANS_DIR          0x40    /* rw  Data transfer direction */
+#define CSR_SCSI_BUFF_INTR     0x20    /* rw  Enable int on transfer ready */
+#define CSR_5380_INTR          0x10    /* rw  Enable 5380 interrupts */
+#define CSR_SHARED_INTR        0x08    /* rw  Interrupt sharing */
+#define CSR_HOST_BUF_NOT_RDY   0x04    /* ro  Host buffer not ready */
+#define CSR_SCSI_BUF_RDY       0x02    /* ro  SCSI buffer ready */
+#define CSR_GATED_5380_IRQ     0x01    /* ro  Last block xferred */
+#define CSR_INT_BASE (CSR_SCSI_BUFF_INTR | CSR_5380_INTR)
+
+
+#define DTC_BLK_CNT		0x101   /* rw 
+					 * # of 128-byte blocks to transfer */
+
+
+#define D_CR_ACCESS             0x80    /* ro set=can access 3280 registers */
+
+#define DTC_SWITCH_REG		0x3982	/* ro - DIP switches */
+#define DTC_RESUME_XFER		0x3982	/* wo - resume data xfer 
+					   * after disconnect/reconnect*/
+
+#define DTC_5380_OFFSET		0x3880	/* 8 registers here, see NCR5380.h */
+
+/*!!!! for dtc, it's a 128 byte buffer at 3900 !!! */
+#define DTC_DATA_BUF		0x3900  /* rw 128 bytes long */
+
+
 struct proc_dir_entry proc_scsi_dtc = {
    PROC_SCSI_T128, 7, "dtc3x80",
 	S_IFDIR | S_IRUGO | S_IXUGO, 2
@@ -178,7 +225,7 @@
       else
 	 for (; !base && (current_base < NO_BASES); ++current_base) {
 #if (DTCDEBUG & DTCDEBUG_INIT)
-	 printk("scsi : probing address %08x\n", bases[current_base].address);
+	 printk("scsi-dtc : probing address %08x\n", bases[current_base].address);
 #endif
 	 for (sig = 0; sig < NO_SIGNATURES; ++sig)
 	    if (!bases[current_base].noauto &&