Added another wd33c93 based SCSI card driver which replaces the bs driver.

Now, default is still bs.

Submitted by:	nyan and non.
Obtained from:	NetBSD/pc98

1 files changed, 86 insertions, 0 deletions

diff --git a/sys/dev/ct/bshwvar.h b/sys/dev/ct/bshwvar.h
new file mode 100644
index 0000000..6e31b4d
--- /dev/null
+++ b/sys/dev/ct/bshwvar.h
@@ -0,0 +1,86 @@
+/* $FreeBSD$ */
+/*	$NecBSD: bshwvar.h,v 1.3 1999/04/15 01:36:10 kmatsuda Exp $	*/
+/*	$NetBSD$	*/
+
+/*
+ * [NetBSD for NEC PC-98 series]
+ *  Copyright (c) 1994, 1995, 1996, 1997, 1998
+ *	NetBSD/pc98 porting staff. All rights reserved.
+ * 
+ *  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. The name of the author may not be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ */
+#ifndef	_BSHWVAR_H_
+#define	_BSHWVAR_H_
+
+/*
+ * bshwvar.h
+ * NEC 55 compatible board specific definitions
+ */
+
+#define	BSHW_DEFAULT_CHIPCLK	20	/* 20MHz */
+#define	BSHW_DEFAULT_HOSTID	7
+
+struct bshw {
+#define	BSHW_SYNC_RELOAD	0x01
+#define	BSHW_SMFIFO		0x02
+#define	BSHW_DOUBLE_DMACHAN	0x04
+	u_int hw_flags;
+
+	u_int sregaddr;
+
+	int ((*dma_init) __P((struct ct_softc *)));
+	void ((*dma_start) __P((struct ct_softc *)));
+	void ((*dma_stop) __P((struct ct_softc *)));
+};
+
+struct bshw_softc {
+	int sc_hostid;
+	int sc_irq;			/* irq */
+	int sc_drq;			/* drq */
+
+	/* dma transfer */
+	u_int8_t *sc_segaddr;
+	u_int8_t *sc_bufp;
+	int sc_seglen;
+	int sc_tdatalen;		/* temp datalen */
+
+	/* private bounce */
+	u_int8_t *sc_bounce_phys;
+	u_int8_t *sc_bounce_addr;
+	u_int sc_bounce_size;
+	bus_addr_t sc_minphys;
+	
+	/* hardware */
+	struct bshw *sc_hw;
+};
+
+void bshw_synch_setup __P((struct ct_softc *, struct lun_info *));
+void bshw_bus_reset __P((struct ct_softc *));
+int bshw_read_settings __P((bus_space_tag_t, bus_space_handle_t, struct bshw_softc *));
+void bshw_smit_xfer_start __P((struct ct_softc *));
+void bshw_smit_xfer_stop __P((struct ct_softc *));
+void bshw_dma_xfer_start __P((struct ct_softc *));
+void bshw_dma_xfer_stop __P((struct ct_softc *));
+extern struct dvcfg_hwsel bshw_hwsel;
+#endif	/* !_BSHWVAR_H_ */