diff options
Diffstat (limited to 'drivers/block/xd.h')
| -rw-r--r-- | drivers/block/xd.h | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/drivers/block/xd.h b/drivers/block/xd.h deleted file mode 100644 index 37cacef16e93..000000000000 --- a/drivers/block/xd.h +++ /dev/null @@ -1,134 +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. - */ - -#include <linux/interrupt.h> - -/* 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 & CX 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?) */ -#define CMD_XBSETPARAM 0x0C /* set drive parameters (XEBEC 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; - int unit; -} XD_INFO; - -/* this structure defines a ROM BIOS signature */ -typedef struct { - unsigned int offset; - const char *string; - void (*init_controller)(unsigned int address); - void (*init_drive)(u_char drive); - const char *name; -} XD_SIGNATURE; - -#ifndef MODULE -static int xd_manual_geo_init (char *command); -#endif /* MODULE */ -static u_char xd_detect (u_char *controller, unsigned int *address); -static u_char xd_initdrives (void (*init_drive)(u_char drive)); - -static void do_xd_request (struct request_queue * q); -static int xd_ioctl (struct block_device *bdev,fmode_t mode,unsigned int cmd,unsigned long arg); -static int xd_readwrite (u_char operation,XD_INFO *disk,char *buffer,u_int block,u_int count); -static void xd_recalibrate (u_char drive); - -static irqreturn_t xd_interrupt_handler(int irq, void *dev_id); -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 void xd_watchdog (unsigned long unused); -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 (unsigned int address); -static void xd_dtc5150cx_init_drive (u_char drive); -static void xd_dtc_init_drive (u_char drive); -static void xd_wd_init_controller (unsigned int address); -static void xd_wd_init_drive (u_char drive); -static void xd_seagate_init_controller (unsigned int address); -static void xd_seagate_init_drive (u_char drive); -static void xd_omti_init_controller (unsigned int address); -static void xd_omti_init_drive (u_char drive); -static void xd_xebec_init_controller (unsigned int address); -static void xd_xebec_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 */ |