/*      $NetBSD: oboereg.h,v 1.2 2008/04/28 20:23:55 martin Exp $       */

/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jan Sparud.
*
* 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.
*
* 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.
*/

/*
* Toshiba OBOE SIR/FIR driver header file.
*/

#ifndef OBOE_H
#define OBOE_H

/* Registers */
/*Receive and transmit task registers (read only) */
#define OBOE_RCVT       (0x00)
#define OBOE_XMTT       (0x01)
#define OBOE_XMTT_OFFSET        0x40

/*Page pointers to the TaskFile structure */
#define OBOE_TFP2       (0x02)
#define OBOE_TFP0       (0x04)
#define OBOE_TFP1       (0x05)

/*Dunno */
#define OBOE_REG_3      (0x03)

/*Number of tasks to use in Xmit and Recv queues */
#define OBOE_NTR        (0x07)
#define OBOE_NTR_XMIT4  0x00
#define OBOE_NTR_XMIT8  0x10
#define OBOE_NTR_XMIT16 0x30
#define OBOE_NTR_XMIT32 0x70
#define OBOE_NTR_XMIT64 0xf0
#define OBOE_NTR_RECV4  0x00
#define OBOE_NTR_RECV8  0x01
#define OBOE_NTR_RECV6  0x03
#define OBOE_NTR_RECV32 0x07
#define OBOE_NTR_RECV64 0x0f

/* Dunno */
#define OBOE_REG_9      (0x09)

/* Interrupt Status Register */
#define OBOE_ISR        (0x0c)
#define OBOE_ISR_TXDONE 0x80
#define OBOE_ISR_RXDONE 0x40
#define OBOE_ISR_20     0x20
#define OBOE_ISR_10     0x10
#define OBOE_ISR_8      0x08         /*This is collision or parity or something */
#define OBOE_ISR_4      0x08
#define OBOE_ISR_2      0x08
#define OBOE_ISR_1      0x08

/*Dunno */
#define OBOE_REG_D      (0x0d)

/*Register Lock Register */
#define OBOE_LOCK       (0x0e)

/*Speed control registers */
#define OBOE_PMDL       (0x10)
#define OBOE_PMDL_SIR   0x18
#define OBOE_PMDL_MIR   0xa0
#define OBOE_PMDL_FIR   0x40

#define OBOE_SMDL       (0x18)
#define OBOE_SMDL_SIR   0x20
#define OBOE_SMDL_MIR   0x01
#define OBOE_SMDL_FIR   0x0f

#define OBOE_UDIV       (0x19)

/*Dunno */
#define OBOE_REG_11     (0x11)

/*Chip Reset Register */
#define OBOE_RST        (0x15)
#define OBOE_RST_WRAP   0x8

/*Dunno */
#define OBOE_REG_1A     (0x1a)
#define OBOE_REG_1B     (0x1b)

#define OBOE_IOSIZE     0x1f

#define IO_BAR          0x10

typedef unsigned int dword;
typedef unsigned short int word;
typedef unsigned char byte;
typedef dword Paddr;

struct OboeTask {
       uint16_t len;
       uint8_t unused;
       uint8_t control;
       uint32_t buffer;
};

#define OBOE_NTASKS 64

struct OboeTaskFile {
       struct OboeTask recv[OBOE_NTASKS];
       struct OboeTask xmit[OBOE_NTASKS];
};

#define OBOE_TASK_BUF_LEN (sizeof(struct OboeTaskFile) << 1)

/*These set the number of slots in use */
#define TX_SLOTS        8
#define RX_SLOTS        8

#define RX_BUF_SZ       4196
#define TX_BUF_SZ       4196

/* You need also to change this, toshiba uses 4,8 and 4,4 */
/* It makes no difference if you are only going to use ONETASK mode */
/* remember each buffer use XX_BUF_SZ more _PHYSICAL_ memory */
#define OBOE_NTR_VAL    (OBOE_NTR_XMIT8 | OBOE_NTR_RECV8)

#define OUTB(sc, val, off) \
 bus_space_write_1(sc->sc_iot, sc->sc_ioh, off, val)

#define INB(sc, off) \
 bus_space_read_1(sc->sc_iot, sc->sc_ioh, off)

#endif