diff options
Diffstat (limited to 'sys/dev/ic/mtd803var.h')
| -rw-r--r-- | sys/dev/ic/mtd803var.h | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/sys/dev/ic/mtd803var.h b/sys/dev/ic/mtd803var.h new file mode 100644 index 00000000000..5d84ee3e41d --- /dev/null +++ b/sys/dev/ic/mtd803var.h @@ -0,0 +1,135 @@ +/* $NetBSD: mtd803var.h,v 1.1 2002/11/07 21:57:00 martin Exp $ */ + +/*- + * Copyright (c) 2002 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Peter Bex <Peter.Bex@student.kun.nl>. + * + * 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. + */ + +#ifndef __DEV_IC_MTD803VAR_H__ +#define __DEV_IC_MTD803VAR_H__ + +#include <dev/mii/miivar.h> + +/* Number of Tx and Rx descriptors */ +#define MTD_NUM_TXD 128 +#define MTD_NUM_RXD 128 +/* Tx and Rx buffer size */ +#define MTD_RXBUF_SIZE 768 +#define MTD_TXBUF_SIZE 768 + +/* DMA mem must be longword (4 bytes) aligned */ +#define MTD_DMA_ALIGN 4 + + +/* Descriptor structure */ +struct mtd_desc { + u_int32_t stat; /* Status field */ + u_int32_t conf; /* Config field */ + u_int32_t data; /* Data buffer start address */ + u_int32_t next; /* Next descriptor address */ +}; + +/* Softc struct */ +struct mtd_softc { + struct device dev; + struct mii_data mii; + struct arpcom arpcom; + bus_space_tag_t bus_tag; + bus_space_handle_t bus_handle; + void * sd_hook; + volatile unsigned int cur_tx; + volatile unsigned int cur_rx; + + bus_dma_tag_t dma_tag; + struct mtd_desc * desc; + bus_dmamap_t desc_dma_map; + caddr_t buf; + bus_dmamap_t buf_dma_map; +}; + + +/* Transmit descriptor layout */ + /* Status register */ +#define MTD_TXD_OWNER 0x80000000 /* Owner bit */ +#define MTD_TXD_RSRVD0 0x7fffc000 /* Bits [30:14] are reserved */ +#define MTD_TXD_ABORT 0x00002000 /* Transmit aborted */ +#define MTD_TXD_CSL 0x00001000 /* Carrier Sense Loss */ +#define MTD_TXD_LCOL 0x00000800 /* Late collision */ +#define MTD_TXD_EXCOL 0x00000400 /* Excessive collisions */ +#define MTD_TXD_DFD 0x00000200 /* Deferred */ +#define MTD_TXD_HBFAIL 0x00000100 /* Heart-beat failure */ +#define MTD_TXD_NRC 0x000000ff /* Collision Retry Count */ + /* Configuration register */ +#define MTD_TXD_CONF_IRQC 0x80000000 /* Interrupt control */ +#define MTD_TXD_CONF_EIRQC 0x40000000 /* Early interrupt control */ +#define MTD_TXD_CONF_LSD 0x20000000 /* Last descriptor */ +#define MTD_TXD_CONF_FSD 0x10000000 /* First descriptor */ +#define MTD_TXD_CONF_CRC 0x08000000 /* CRC append */ +#define MTD_TXD_CONF_PAD 0x04000000 /* Pad control */ +#define MTD_TXD_CONF_RLCOL 0x02000000 /* Retry Late Collision */ +#define MTD_TXD_CONF_RSRVD0 0x01c00000 /* Bits [24:22] are reserved */ +#define MTD_TXD_CONF_PKTS 0x003ff800 /* Packet size */ +#define MTD_TXD_CONF_BUFS 0x000007ff /* Transmit buffer size */ + +#define MTD_TXD_PKTS_SHIFT 11 + +/* Receive descriptor layout */ + /* Status register */ +#define MTD_RXD_OWNER 0x80000000 /* Owner bit */ +#define MTD_RXD_RSRVD3 0x70000000 /* Bits [30:28] are reserved */ +#define MTD_RXD_FLEN 0x0fff0000 /* Frame length */ +#define MTD_RXD_RSRVD2 0x00008000 /* Bit 15 is reserved */ +#define MTD_RXD_MAR 0x00004000 /* Multicast Address Received */ +#define MTD_RXD_BAR 0x00002000 /* Broadcast Address Received */ +#define MTD_RXD_PAR 0x00001000 /* Physical Address Received */ +#define MTD_RXD_FSD 0x00000800 /* First Descriptor */ +#define MTD_RXD_LSD 0x00000400 /* Last Descriptor */ +#define MTD_RXD_RSRVD1 0x00000300 /* Bits [9:8] are reserved */ +#define MTD_RXD_ERRSUM 0x00000080 /* Error summary */ +#define MTD_RXD_RUNT 0x00000040 /* Runt packet received */ +#define MTD_RXD_LONG 0x00000020 /* Long packet received */ +#define MTD_RXD_FALERR 0x00000010 /* Frame alignment error */ +#define MTD_RXD_CRC 0x00000008 /* CRC error. See manual :) */ +#define MTD_RXD_RXERR 0x00000004 /* Receive error */ +#define MTD_RXD_RSRVD0 0x00000003 /* Bits [1:0] are reserved */ + /* Configuration register */ +#define MTD_RXD_CONF_RSRVD0 0xfffffc00 /* Bits [31:11] are reserved */ +#define MTD_RXD_CONF_BUFS 0x000003ff /* Receive buffer size */ + +#define MTD_RXD_FLEN_SHIFT 16 + +extern int mtd_config __P((struct mtd_softc *)); +extern int mtd_irq_h __P((void *)); + +#endif /* __DEV_IC_MTD803VAR_H__ */ |