patch-2.0.21-2.1.0 linux/include/linux/xd.h

• Lines: 139
• Date: Thu Jan 1 02:00:00 1970
• Orig file: lx2.0/v2.0.21/linux/include/linux/xd.h
• Orig date: Fri Mar 1 07:50:56 1996

diff -u --recursive --new-file lx2.0/v2.0.21/linux/include/linux/xd.h linux/include/linux/xd.h
@@ -1,138 +0,0 @@
-#ifndef _LINUX_XD_H
-#define _LINUX_XD_H
-
-/*
- * This file contains the definitions for the IO ports and errors etc. for XT hard disk controllers (at least the DTC 5150X).
- *
- * Author: Pat Mackinlay, pat@it.com.au
- * Date: 29/09/92
- *
- * Revised: 01/01/93, ...
- *
- * Ref: DTC 5150X Controller Specification (thanks to Kevin Fowler, kevinf@agora.rain.com)
- * Also thanks to: Salvador Abreu, Dave Thaler, Risto Kankkunen and Wim Van Dorst.
- */
-
-/* XT hard disk controller registers */
-#define XD_DATA		(xd_iobase + 0x00)	/* data RW register */
-#define XD_RESET	(xd_iobase + 0x01)	/* reset WO register */
-#define XD_STATUS	(xd_iobase + 0x01)	/* status RO register */
-#define XD_SELECT	(xd_iobase + 0x02)	/* select WO register */
-#define XD_JUMPER	(xd_iobase + 0x02)	/* jumper RO register */
-#define XD_CONTROL	(xd_iobase + 0x03)	/* DMAE/INTE WO register */
-#define XD_RESERVED	(xd_iobase + 0x03)	/* reserved */
-
-/* XT hard disk controller commands (incomplete list) */
-#define CMD_TESTREADY	0x00	/* test drive ready */
-#define CMD_RECALIBRATE	0x01	/* recalibrate drive */
-#define CMD_SENSE	0x03	/* request sense */
-#define CMD_FORMATDRV	0x04	/* format drive */
-#define CMD_VERIFY	0x05	/* read verify */
-#define CMD_FORMATTRK	0x06	/* format track */
-#define CMD_FORMATBAD	0x07	/* format bad track */
-#define CMD_READ	0x08	/* read */
-#define CMD_WRITE	0x0A	/* write */
-#define CMD_SEEK	0x0B	/* seek */
-
-/* Controller specific commands */
-#define CMD_DTCSETPARAM	0x0C	/* set drive parameters (DTC 5150X only?) */
-#define CMD_DTCGETECC	0x0D	/* get ecc error length (DTC 5150X only?) */
-#define CMD_DTCREADBUF	0x0E	/* read sector buffer (DTC 5150X only?) */
-#define CMD_DTCWRITEBUF 0x0F	/* write sector buffer (DTC 5150X only?) */
-#define CMD_DTCREMAPTRK	0x11	/* assign alternate track (DTC 5150X only?) */
-#define CMD_DTCGETPARAM	0xFB	/* get drive parameters (DTC 5150X only?) */
-#define CMD_DTCSETSTEP	0xFC	/* set step rate (DTC 5150X only?) */
-#define CMD_DTCSETGEOM	0xFE	/* set geometry data (DTC 5150X only?) */
-#define CMD_DTCGETGEOM	0xFF	/* get geometry data (DTC 5150X only?) */
-#define CMD_ST11GETGEOM 0xF8	/* get geometry data (Seagate ST11R/M only?) */
-#define CMD_WDSETPARAM	0x0C	/* set drive parameters (WD 1004A27X only?) */
-
-/* Bits for command status byte */
-#define CSB_ERROR	0x02	/* error */
-#define CSB_LUN		0x20	/* logical Unit Number */
-
-/* XT hard disk controller status bits */
-#define STAT_READY	0x01	/* controller is ready */
-#define STAT_INPUT	0x02	/* data flowing from controller to host */
-#define STAT_COMMAND	0x04	/* controller in command phase */
-#define STAT_SELECT	0x08	/* controller is selected */
-#define STAT_REQUEST	0x10	/* controller requesting data */
-#define STAT_INTERRUPT	0x20	/* controller requesting interrupt */
-
-/* XT hard disk controller control bits */
-#define PIO_MODE	0x00	/* control bits to set for PIO */
-#define DMA_MODE	0x03	/* control bits to set for DMA & interrupt */
-
-#define XD_MAXDRIVES	2	/* maximum 2 drives */
-#define XD_TIMEOUT	HZ	/* 1 second timeout */
-#define XD_RETRIES	4	/* maximum 4 retries */
-
-#undef DEBUG			/* define for debugging output */
-
-#ifdef DEBUG
-	#define DEBUG_STARTUP	/* debug driver initialisation */
-	#define DEBUG_OVERRIDE	/* debug override geometry detection */
-	#define DEBUG_READWRITE	/* debug each read/write command */
-	#define DEBUG_OTHER	/* debug misc. interrupt/DMA stuff */
-	#define DEBUG_COMMAND	/* debug each controller command */
-#endif /* DEBUG */
-
-/* this structure defines the XT drives and their types */
-typedef struct {
-	u_char heads;
-	u_short cylinders;
-	u_char sectors;
-	u_char control;
-} XD_INFO;
-
-#define	HDIO_GETGEO	0x0301		/* get drive geometry */
-
-/* this structure is returned to the HDIO_GETGEO ioctl */
-typedef struct {
-	u_char heads;
-	u_char sectors;
-	u_short cylinders;
-	u_long start;
-} XD_GEOMETRY;
-
-/* this structure defines a ROM BIOS signature */
-typedef struct {
-	u_long offset;
-	const char *string;
-	void (*init_controller)(u_char *address);
-	void (*init_drive)(u_char drive);
-	const char *name;
-} XD_SIGNATURE;
-
-void xd_setup (char *command,int *integers);
-static u_char xd_detect (u_char *controller,u_char **address);
-static u_char xd_initdrives (void (*init_drive)(u_char drive));
-static void xd_geninit (struct gendisk *);
-
-static int xd_open (struct inode *inode,struct file *file);
-static void do_xd_request (void);
-static int xd_ioctl (struct inode *inode,struct file *file,unsigned int cmd,unsigned long arg);
-static void xd_release (struct inode *inode,struct file *file);
-static int xd_reread_partitions (kdev_t dev);
-static int xd_readwrite (u_char operation,u_char drive,char *buffer,u_int block,u_int count);
-static void xd_recalibrate (u_char drive);
-
-static void xd_interrupt_handler (int irq, void *dev_id, struct pt_regs *regs);
-static u_char xd_setup_dma (u_char opcode,u_char *buffer,u_int count);
-static u_char *xd_build (u_char *cmdblk,u_char command,u_char drive,u_char head,u_short cylinder,u_char sector,u_char count,u_char control);
-static inline u_char xd_waitport (u_short port,u_char flags,u_char mask,u_long timeout);
-static u_int xd_command (u_char *command,u_char mode,u_char *indata,u_char *outdata,u_char *sense,u_long timeout);
-
-/* card specific setup and geometry gathering code */
-static void xd_dtc_init_controller (u_char *address);
-static void xd_dtc_init_drive (u_char drive);
-static void xd_wd_init_controller (u_char *address);
-static void xd_wd_init_drive (u_char drive);
-static void xd_seagate_init_controller (u_char *address);
-static void xd_seagate_init_drive (u_char drive);
-static void xd_omti_init_controller (u_char *address);
-static void xd_omti_init_drive (u_char drive);
-static void xd_setparam (u_char command,u_char drive,u_char heads,u_short cylinders,u_short rwrite,u_short wprecomp,u_char ecc);
-static void xd_override_init_drive (u_char drive);
-
-#endif /* _LINUX_XD_H */