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/*
* Copyright (c) 1997-2001 Granch, Ltd. All rights reserved.
* Author: Denis I.Timofeev <timofeev@granch.ru>
*
* Redistributon 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 unmodified, 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 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 NEIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
/*
* We don't have registered vendor id yet...
*/
#define SBNI_PCI_VENDOR 0x55
#define SBNI_PCI_DEVICE 0x9f
#define ISA_MODE 0x00
#define PCI_MODE 0x01
#define SBNI_PORTS 4
enum sbni_reg {
CSR0 = 0,
CSR1 = 1,
DAT = 2
};
/* CSR0 mapping */
enum {
BU_EMP = 0x02,
RC_CHK = 0x04,
CT_ZER = 0x08,
TR_REQ = 0x10,
TR_RDY = 0x20,
EN_INT = 0x40,
RC_RDY = 0x80
};
/* CSR1 mapping */
#define PR_RES 0x80
struct sbni_csr1 {
unsigned rxl : 5;
unsigned rate : 2;
unsigned : 1;
};
#define FRAME_ACK_MASK (u_int16_t)0x7000
#define FRAME_LEN_MASK (u_int16_t)0x03FF
#define FRAME_FIRST (u_int16_t)0x8000
#define FRAME_RETRY (u_int16_t)0x0800
#define FRAME_SENT_BAD (u_int16_t)0x4000
#define FRAME_SENT_OK (u_int16_t)0x3000
enum {
FL_WAIT_ACK = 1,
FL_NEED_RESEND = 2,
FL_PREV_OK = 4,
FL_SLOW_MODE = 8
};
enum {
DEFAULT_IOBASEADDR = 0x210,
DEFAULT_INTERRUPTNUMBER = 5,
DEFAULT_RATE = 0,
DEFAULT_FRAME_LEN = 1012
};
#define DEF_RXL_DELTA -1
#define DEF_RXL 0xf
#define SBNI_SIG 0x5a
#define SBNI_MIN_LEN (ETHER_MIN_LEN - 4)
#define SBNI_MAX_FRAME 1023
#define SBNI_HZ 18 /* ticks to wait for pong or packet */
/* sbni watchdog called SBNI_HZ times per sec. */
#define TR_ERROR_COUNT 32
#define CHANGE_LEVEL_START_TICKS 4
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