bus independent part of hme driver from netbsd

1 files changed, 107 insertions, 0 deletions

diff --git a/sys/dev/ic/hmevar.h b/sys/dev/ic/hmevar.h
new file mode 100644
index 00000000000..e163cd78b56
--- /dev/null
+++ b/sys/dev/ic/hmevar.h
@@ -0,0 +1,107 @@
+/*	$OpenBSD: hmevar.h,v 1.1 2001/08/21 16:16:50 jason Exp $	*/
+/*	$NetBSD: hmevar.h,v 1.6 2000/09/28 10:56:57 tsutsui Exp $	*/
+
+/*-
+ * Copyright (c) 1999 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Paul Kranenburg.
+ *
+ * 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 NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+#include <sys/timeout.h>
+
+struct hme_ring {
+	/* Ring Descriptors */
+	caddr_t		rb_membase;	/* Packet buffer: CPU address */
+	bus_addr_t	rb_dmabase;	/* Packet buffer: DMA address */
+	caddr_t		rb_txd;		/* Transmit descriptors */
+	bus_addr_t	rb_txddma;	/* DMA address of same */
+	caddr_t		rb_rxd;		/* Receive descriptors */
+	bus_addr_t	rb_rxddma;	/* DMA address of same */
+	caddr_t		rb_txbuf;	/* Transmit buffers */
+	caddr_t		rb_rxbuf;	/* Receive buffers */
+	int		rb_ntbuf;	/* # of transmit buffers */
+	int		rb_nrbuf;	/* # of receive buffers */
+
+	/* Ring Descriptor state */
+	int	rb_tdhead, rb_tdtail;
+	int	rb_rdtail;
+	int	rb_td_nbusy;
+};
+
+struct hme_softc {
+	struct device	sc_dev;		/* boilerplate device view */
+	struct arpcom	sc_arpcom;	/* Ethernet common part */
+	struct mii_data	sc_mii;		/* MII media control */
+#define sc_media	sc_mii.mii_media/* shorthand */
+	struct timeout	sc_tick_ch;	/* tick callout */
+
+	/* The following bus handles are to be provided by the bus front-end */
+	bus_space_tag_t	sc_bustag;	/* bus tag */
+	bus_dma_tag_t	sc_dmatag;	/* bus dma tag */
+	bus_dmamap_t	sc_dmamap;	/* bus dma handle */
+	bus_space_handle_t sc_seb;	/* HME Global registers */
+	bus_space_handle_t sc_erx;	/* HME ERX registers */
+	bus_space_handle_t sc_etx;	/* HME ETX registers */
+	bus_space_handle_t sc_mac;	/* HME MAC registers */
+	bus_space_handle_t sc_mif;	/* HME MIF registers */
+	int		sc_burst;	/* DVMA burst size in effect */
+	int		sc_phys[2];	/* MII instance -> PHY map */
+
+	int		sc_pci;		/* XXXXX -- PCI buses are LE. */
+
+	/* Ring descriptor */
+	struct hme_ring		sc_rb;
+#if notused
+	void		(*sc_copytobuf) __P((struct hme_softc *,
+					     void *, void *, size_t));
+	void		(*sc_copyfrombuf) __P((struct hme_softc *,
+					      void *, void *, size_t));
+#endif
+
+	int			sc_debug;
+	void			*sc_sh;		/* shutdownhook cookie */
+	u_int8_t		sc_enaddr[ETHER_ADDR_LEN]; /* MAC address */
+
+	/* Special hardware hooks */
+	void	(*sc_hwreset) __P((struct hme_softc *));
+	void	(*sc_hwinit) __P((struct hme_softc *));
+
+#if NRND > 0
+	rndsource_element_t	rnd_source;
+#endif
+};
+
+
+void	hme_config __P((struct hme_softc *));
+void	hme_reset __P((struct hme_softc *));
+int	hme_intr __P((void *));