Initial import, 0.1 + pk 0.2.4-B1

1 files changed, 143 insertions, 0 deletions

diff --git a/sys/i386/isa/wdreg.h b/sys/i386/isa/wdreg.h
new file mode 100644
index 000000000000..d9389157039b
--- /dev/null
+++ b/sys/i386/isa/wdreg.h
@@ -0,0 +1,143 @@
+/*-
+ * Copyright (c) 1991 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)wdreg.h	7.1 (Berkeley) 5/9/91
+ */
+
+/*
+ * Disk Controller register definitions.
+ */
+#define	wd_data		0x0		/* data register (R/W - 16 bits) */
+#define wd_error	0x1		/* error register (R) */
+#define	wd_precomp	wd_error	/* write precompensation (W) */
+#define	wd_seccnt	0x2		/* sector count (R/W) */
+#define	wd_sector	0x3		/* first sector number (R/W) */
+#define	wd_cyl_lo	0x4		/* cylinder address, low byte (R/W) */
+#define	wd_cyl_hi	0x5		/* cylinder address, high byte (R/W)*/
+#define	wd_sdh		0x6		/* sector size/drive/head (R/W)*/
+#define	wd_command	0x7		/* command register (W)	 */
+#define	wd_status wd_command		/* immediate status (R)	 */
+
+#define	wd_altsts	0x206	 /*alternate fixed disk status(via 1015) (R)*/
+#define	wd_ctlr		0x206	 /*fixed disk controller control(via 1015) (W)*/
+#define  WDCTL_4BIT	 0x8	/* use four head bits (wd1003) */
+#define  WDCTL_RST	 0x4	/* reset the controller */
+#define  WDCTL_IDS	 0x2	/* disable controller interrupts */
+#define	wd_digin	0x207	 /* disk controller input(via 1015) (R)*/
+
+/*
+ * Status Bits.
+ */
+#define	WDCS_BUSY	0x80		/* Controller busy bit. */
+#define	WDCS_READY	0x40		/* Selected drive is ready */
+#define	WDCS_WRTFLT	0x20		/* Write fault */
+#define	WDCS_SEEKCMPLT	0x10		/* Seek complete */
+#define	WDCS_DRQ	0x08		/* Data request bit. */
+#define	WDCS_ECCCOR	0x04		/* ECC correction made in data */
+#define	WDCS_INDEX	0x02		/* Index pulse from selected drive */
+#define	WDCS_ERR	0x01		/* Error detect bit. */
+
+#define WDCS_BITS	"\020\010busy\006rdy\006wrtflt\005seekdone\004drq\003ecc_cor\002index\001err"
+
+#define WDERR_BITS	"\020\010badblk\007uncorr\006id_crc\005no_id\003abort\002tr000\001no_dam"
+
+/*
+ * Commands for Disk Controller.
+ */
+#define	WDCC_RESTORE	0x10		/* disk restore code -- resets cntlr */
+
+#define	WDCC_READ	0x20		/* disk read code */
+#define	WDCC_WRITE	0x30		/* disk write code */
+#define	 WDCC__LONG	 0x02		 /* modifier -- access ecc bytes */
+#define	 WDCC__NORETRY	 0x01		 /* modifier -- no retrys */
+
+#define	WDCC_FORMAT	0x50		/* disk format code */
+#define	WDCC_DIAGNOSE	0x90		/* controller diagnostic */
+#define	WDCC_IDC	0x91		/* initialize drive command */
+
+#define	WDCC_EXTDCMD	0xE0		/* send extended command */
+#define	WDCC_READP	0xEC		/* read parameters from controller */
+#define	WDCC_CACHEC	0xEF		/* cache control */
+
+#define	WD_STEP		0		/* winchester- default 35us step */
+
+#define	WDSD_IBM	0xa0		/* forced to 512 byte sector, ecc */
+
+
+#ifdef KERNEL
+/*
+ * read parameters command returns this:
+ */
+struct wdparams {
+	/* drive info */
+	short	wdp_config;		/* general configuration */
+	short	wdp_fixedcyl;		/* number of non-removable cylinders */
+	short	wdp_removcyl;		/* number of removable cylinders */
+	short	wdp_heads;		/* number of heads */
+	short	wdp_unfbytespertrk;	/* number of unformatted bytes/track */
+	short	wdp_unfbytes;		/* number of unformatted bytes/sector */
+	short	wdp_sectors;		/* number of sectors */
+	short	wdp_minisg;		/* minimum bytes in inter-sector gap*/
+	short	wdp_minplo;		/* minimum bytes in postamble */
+	short	wdp_vendstat;		/* number of words of vendor status */
+	/* controller info */
+	char	wdp_cnsn[20];		/* controller serial number */
+	short	wdp_cntype;		/* controller type */
+#define	WDTYPE_SINGLEPORTSECTOR	1	 /* single port, single sector buffer */
+#define	WDTYPE_DUALPORTMULTI	2	 /* dual port, multiple sector buffer */
+#define	WDTYPE_DUALPORTMULTICACHE 3	 /* above plus track cache */
+	short	wdp_cnsbsz;		/* sector buffer size, in sectors */
+	short	wdp_necc;		/* ecc bytes appended */
+	char	wdp_rev[8];		/* firmware revision */
+	char	wdp_model[40];		/* model name */
+	short	wdp_nsecperint;		/* sectors per interrupt */
+	short	wdp_usedmovsd;		/* can use double word read/write? */
+};
+
+/*
+ * wd driver entry points
+ */
+int wdprobe(struct isa_device *);
+int wdattach(struct isa_device *);
+int wdstrategy(struct buf *);
+void wdintr(struct intrframe);
+int wdopen(dev_t, int, int, struct proc *);
+int wdclose(dev_t dev, int flags, int fmt);
+int wdioctl(dev_t, int, caddr_t, int);
+/* int wdformat(struct buf *bp); */
+int wdsize(dev_t);
+int wddump(dev_t);
+
+#endif KERNEL