107 lines
2.6 KiB
C
107 lines
2.6 KiB
C
/*-
|
|
* 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
|