- Merged from sys/dev/fdc/fdc.c revision 1.275.

- Break out the cbus front end from fd.c.
- Remove the pccard support because it was broken.

1 files changed, 153 insertions, 0 deletions

diff --git a/sys/pc98/cbus/fdcvar.h b/sys/pc98/cbus/fdcvar.h
new file mode 100644
index 0000000..ae37ffa
--- /dev/null
+++ b/sys/pc98/cbus/fdcvar.h
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 2004 M. Warner Losh.
+ * 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,
+ *    without modification, immediately at the beginning of the file.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+
+/* XXX should audit this file to see if additional copyrights needed */
+
+enum fdc_type
+{
+	FDC_NE765, FDC_ENHANCED, FDC_UNKNOWN = -1
+};
+
+enum fdc_states {
+	DEVIDLE,
+	FINDWORK,
+	DOSEEK,
+	SEEKCOMPLETE ,
+	IOCOMPLETE,
+	RECALCOMPLETE,
+	STARTRECAL,
+	RESETCTLR,
+	SEEKWAIT,
+	RECALWAIT,
+	MOTORWAIT,
+	IOTIMEDOUT,
+	RESETCOMPLETE,
+	PIOREAD
+};
+
+#ifdef	FDC_DEBUG
+static char const * const fdstates[] = {
+	"DEVIDLE",
+	"FINDWORK",
+	"DOSEEK",
+	"SEEKCOMPLETE",
+	"IOCOMPLETE",
+	"RECALCOMPLETE",
+	"STARTRECAL",
+	"RESETCTLR",
+	"SEEKWAIT",
+	"RECALWAIT",
+	"MOTORWAIT",
+	"IOTIMEDOUT",
+	"RESETCOMPLETE",
+	"PIOREAD"
+};
+#endif
+
+/*
+ * Per controller structure (softc).
+ */
+struct fdc_data
+{
+	int	fdcu;		/* our unit number */
+	int	dmacnt;
+	int	dmachan;
+	int	flags;
+#define FDC_ATTACHED	0x01
+#define FDC_STAT_VALID	0x08
+#define FDC_HAS_FIFO	0x10
+#define FDC_NEEDS_RESET	0x20
+#define FDC_NODMA	0x40
+#define FDC_ISPNP	0x80
+#define FDC_ISPCMCIA	0x100
+	struct	fd_data *fd;
+	int	fdu;		/* the active drive	*/
+	enum	fdc_states state;
+	int	retry;
+#ifndef PC98
+	int	fdout;		/* mirror of the w/o digital output reg */
+#endif
+	u_int	status[7];	/* copy of the registers */
+	enum	fdc_type fdct;	/* chip version of FDC */
+	int	fdc_errs;	/* number of logged errors */
+	int	dma_overruns;	/* number of DMA overruns */
+	struct	bio_queue_head head;
+	struct	bio *bp;	/* active buffer */
+#ifdef PC98
+	struct	resource *res_ioport, *res_fdsio, *res_fdemsio;
+	struct	resource *res_irq, *res_drq;
+	int	rid_ioport, rid_irq, rid_drq;
+#else
+	struct	resource *res_ioport, *res_ctl, *res_irq, *res_drq;
+	int	rid_ioport, rid_ctl, rid_irq, rid_drq;
+#endif
+	int	port_off;
+	bus_space_tag_t portt;
+	bus_space_handle_t porth;
+#ifdef PC98
+        bus_space_tag_t		sc_fdsiot;
+        bus_space_handle_t	sc_fdsioh;
+        bus_space_tag_t		sc_fdemsiot;
+        bus_space_handle_t	sc_fdemsioh;
+#else
+	bus_space_tag_t ctlt;
+	bus_space_handle_t ctlh;
+#endif
+	void	*fdc_intr;
+	struct	device *fdc_dev;
+#ifndef PC98
+	void	(*fdctl_wr)(struct fdc_data *fdc, u_int8_t v);
+#endif
+};
+
+typedef int	fdu_t;
+typedef int	fdcu_t;
+typedef int	fdsu_t;
+typedef	struct fd_data *fd_p;
+typedef struct fdc_data *fdc_p;
+typedef enum fdc_type fdc_t;
+
+/* error returns for fd_cmd() */
+#define FD_FAILED -1
+#define FD_NOT_VALID -2
+#define FDC_ERRMAX	100	/* do not log more */
+
+extern devclass_t fdc_devclass;
+
+int fdc_alloc_resources(struct fdc_data *);
+#ifndef PC98
+void fdout_wr(fdc_p, u_int8_t);
+#endif
+int fd_cmd(struct fdc_data *, int, ...);
+void fdc_release_resources(struct fdc_data *);
+int fdc_attach(device_t);
+int fdc_detach(device_t dev);
+int fdc_print_child(device_t, device_t);
+int fdc_read_ivar(device_t, device_t, int, uintptr_t *);