patch-2.1.122 linux/drivers/scsi/imm.h

• Lines: 167
• Date: Wed Sep 16 14:09:26 1998
• Orig file: v2.1.121/linux/drivers/scsi/imm.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.121/linux/drivers/scsi/imm.h linux/drivers/scsi/imm.h
@@ -0,0 +1,166 @@
+/*  Driver for the Iomega MatchMaker parallel port SCSI HBA embedded in 
+ * the Iomega ZIP Plus drive
+ * 
+ * (c) 1998     David Campbell	   campbell@torque.net
+ *
+ * Please note that I live in Perth, Western Australia. GMT+0800
+ */
+
+#ifndef _IMM_H
+#define _IMM_H
+
+#define   IMM_VERSION   "2.00"
+
+/* 
+ * 10 Apr 1998 (Good Friday) - Received EN144302 by email from Iomega.
+ * Scarry thing is the level of support from one of their managers.
+ * The onus is now on us (the developers) to shut up and start coding.
+ *						11Apr98	[ 0.10 ]
+ *
+ * --- SNIP ---
+ *
+ * It manages to find the drive which is a good start. Writing data during
+ * data phase is known to be broken (due to requirements of two byte writes).
+ * Removing "Phase" debug messages.
+ *
+ * PS: Took four hours of coding after I bought a drive.
+ *	ANZAC Day (Aus "War Veterans Holiday")	25Apr98 [ 0.14 ]
+ *
+ * Ten minutes later after a few fixes.... (LITERALLY!!!)
+ * Have mounted disk, copied file, dismounted disk, remount disk, diff file
+ *                    -----  It actually works!!! -----
+ *						25Apr98 [ 0.15 ]
+ *
+ * Twenty minutes of mucking around, rearanged the IEEE negotiate mechanism.
+ * Now have byte mode working (only EPP and ECP to go now... :=)
+ *						26Apr98 [ 0.16 ]
+ *
+ * Thirty minutes of further coding results in EPP working on my machine.
+ *						27Apr98 [ 0.17 ]
+ *
+ * Due to work commitments and inability to get a "true" ECP mode functioning
+ * I have decided to code the parport support into imm.
+ *						09Jun98 [ 0.18 ]
+ *
+ * Driver is now out of beta testing.
+ * Support for parport has been added.
+ * Now distributed with the ppa driver.
+ *						12Jun98 [ 2.00 ]
+ *
+ * Err.. It appears that imm-2.00 was broken....
+ *						18Jun98 [ 2.01 ]
+ *
+ * Patch applied to sync this against the Linux 2.1.x kernel code
+ * Included qboot_zip.sh
+ *						21Jun98 [ 2.02 ]
+ */
+/* ------ END OF USER CONFIGURABLE PARAMETERS ----- */
+
+#ifdef IMM_CODE
+#include  <linux/stddef.h>
+#include  <linux/module.h>
+#include  <linux/kernel.h>
+#include  <linux/tqueue.h>
+#include  <linux/ioport.h>
+#include  <linux/delay.h>
+#include  <linux/proc_fs.h>
+#include  <linux/stat.h>
+#include  <linux/blk.h>
+#include  <linux/sched.h>
+#include  <linux/interrupt.h>
+
+#include  <asm/io.h>
+#include  "sd.h"
+#include  "hosts.h"
+/* batteries not included :-) */
+
+/*
+ * modes in which the driver can operate 
+ */
+#define   IMM_AUTODETECT        0	/* Autodetect mode                */
+#define   IMM_NIBBLE            1	/* work in standard 4 bit mode    */
+#define   IMM_PS2               2	/* PS/2 byte mode         */
+#define   IMM_EPP_8             3	/* EPP mode, 8 bit                */
+#define   IMM_EPP_16            4	/* EPP mode, 16 bit               */
+#define   IMM_EPP_32            5	/* EPP mode, 32 bit               */
+#define   IMM_UNKNOWN           6	/* Just in case...                */
+
+static char *IMM_MODE_STRING[] =
+{
+    "Autodetect",
+    "SPP",
+    "PS/2",
+    "EPP 8 bit",
+    "EPP 16 bit",
+    "EPP 32 bit",
+    "Unknown"};
+
+/* This is a global option */
+int imm_sg = SG_ALL;		/* enable/disable scatter-gather. */
+
+/* other options */
+#define IMM_CAN_QUEUE   1	/* use "queueing" interface */
+#define IMM_BURST_SIZE	512	/* data burst size */
+#define IMM_SELECT_TMO  500	/* 500 how long to wait for target ? */
+#define IMM_SPIN_TMO    5000	/* 50000 imm_wait loop limiter */
+#define IMM_DEBUG	0	/* debuging option */
+#define IN_EPP_MODE(x) (x == IMM_EPP_8 || x == IMM_EPP_16 || x == IMM_EPP_32)
+
+/* args to imm_connect */
+#define CONNECT_EPP_MAYBE 1
+#define CONNECT_NORMAL  0
+
+#define inb_x inb
+#define r_dtr(x)        (unsigned char)inb_x((x))
+#define r_str(x)        (unsigned char)inb_x((x)+1)
+#define r_ctr(x)        (unsigned char)inb_x((x)+2)
+#define r_epp(x)        (unsigned char)inb_x((x)+4)
+#define r_fifo(x)       (unsigned char)inb_x((x)+0x400)
+#define r_ecr(x)        (unsigned char)inb_x((x)+0x402)
+
+#define outb_x outb
+#define w_dtr(x,y)      outb_x(y, (x))
+#define w_str(x,y)      outb_x(y, (x)+1)
+#define w_ctr(x,y)      outb_x(y, (x)+2)
+#define w_epp(x,y)      outb_x(y, (x)+4)
+#define w_fifo(x,y)     outb_x(y, (x)+0x400)
+#define w_ecr(x,y)      outb_x(y, (x)+0x402)
+
+static int imm_engine(imm_struct *, Scsi_Cmnd *);
+static int imm_in(int, char *, int);
+static int imm_init(int);
+static void imm_interrupt(void *);
+static int imm_out(int, char *, int);
+
+struct proc_dir_entry proc_scsi_imm =
+{PROC_SCSI_PPA, 3, "imm", S_IFDIR | S_IRUGO | S_IXUGO, 2};
+#else
+extern struct proc_dir_entry proc_scsi_imm;
+#define imm_release 0
+#endif
+
+int imm_detect(Scsi_Host_Template *);
+const char *imm_info(struct Scsi_Host *);
+int imm_command(Scsi_Cmnd *);
+int imm_queuecommand(Scsi_Cmnd *, void (*done) (Scsi_Cmnd *));
+int imm_abort(Scsi_Cmnd *);
+int imm_reset(Scsi_Cmnd *, unsigned int);
+int imm_proc_info(char *, char **, off_t, int, int, int);
+int imm_biosparam(Disk *, kdev_t, int *);
+
+#define IMM {	proc_dir:		&proc_scsi_imm,			\
+		proc_info:		imm_proc_info,			\
+		name:			"Iomega ZIP Plus drive",	\
+		detect:			imm_detect,			\
+		release:		imm_release,			\
+		command:		imm_command,			\
+		queuecommand:		imm_queuecommand,		\
+		abort:			imm_abort,			\
+		reset:			imm_reset,			\
+		bios_param:		imm_biosparam,			\
+		this_id:		7,				\
+		sg_tablesize:		SG_ALL,				\
+		cmd_per_lun:		1,				\
+		use_clustering:		ENABLE_CLUSTERING		\
+}
+#endif				/* _IMM_H */