1993-12-14 07:26:45 +03:00
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/*
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* Copyright (c) 1993 Herb Peyerl (hpeyerl@novatel.ca)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the author may not be used to endorse or promote products
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1994-01-29 02:43:26 +03:00
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* derived from this software without specific prior written permission
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1993-12-14 07:26:45 +03:00
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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1994-01-29 02:43:26 +03:00
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* $Id: if_epreg.h,v 1.2 1994/01/28 23:44:41 jtc Exp $
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1993-12-14 07:26:45 +03:00
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*/
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/**************************************************************************
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* *
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* These define the EEPROM data structure. They are used in the probe
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* function to verify the existance of the adapter after having sent
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* the ID_Sequence.
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*
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* There are others but only the ones we use are defined here.
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*
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**************************************************************************/
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#define EEPROM_NODE_ADDR_0 0x0 /* Word */
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#define EEPROM_NODE_ADDR_1 0x1 /* Word */
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#define EEPROM_NODE_ADDR_2 0x2 /* Word */
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#define EEPROM_PROD_ID 0x3 /* 0x9[0-f]50 */
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#define EEPROM_MFG_ID 0x7 /* 0x6d50 */
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#define EEPROM_ADDR_CFG 0x8 /* Base addr */
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#define EEPROM_RESOURCE_CFG 0x9 /* IRQ. Bits 12-15 */
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/**************************************************************************
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* *
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* These are the registers for the 3Com 3c509 and their bit patterns when *
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* applicable. They have been taken out the the "EtherLink III Parallel *
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* Tasking EISA and ISA Technical Reference" "Beta Draft 10/30/92" manual *
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* from 3com. *
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* *
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**************************************************************************/
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#define EP_COMMAND 0x0e /* Write. BASE+0x0e is always a command reg. */
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#define EP_STATUS 0x0e /* Read. BASE+0x0e is always status reg. */
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#define EP_WINDOW 0x0f /* Read. BASE+0x0f is always window reg. */
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/*
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* Window 0 registers. Setup.
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*/
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/* Write */
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#define EP_W0_EEPROM_DATA 0x0c
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#define EP_W0_EEPROM_COMMAND 0x0a
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#define EP_W0_RESOURCE_CFG 0x08
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#define EP_W0_ADDRESS_CFG 0x06
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#define EP_W0_CONFIG_CTRL 0x04
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/* Read */
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#define EP_W0_PRODUCT_ID 0x02
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#define EP_W0_MFG_ID 0x00
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/*
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* Window 1 registers. Operating Set.
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*/
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/* Write */
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#define EP_W1_TX_PIO_WR_2 0x02
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#define EP_W1_TX_PIO_WR_1 0x00
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/* Read */
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#define EP_W1_FREE_TX 0x0c
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#define EP_W1_TX_STATUS 0x0b /* byte */
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#define EP_W1_TIMER 0x0a /* byte */
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#define EP_W1_RX_STATUS 0x08
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#define EP_W1_RX_PIO_RD_2 0x02
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#define EP_W1_RX_PIO_RD_1 0x00
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/*
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* Window 2 registers. Station Address Setup/Read
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*/
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/* Read/Write */
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#define EP_W2_ADDR_5 0x05
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#define EP_W2_ADDR_4 0x04
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#define EP_W2_ADDR_3 0x03
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#define EP_W2_ADDR_2 0x02
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#define EP_W2_ADDR_1 0x01
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#define EP_W2_ADDR_0 0x00
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/*
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* Window 3 registers. FIFO Management.
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*/
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/* Read */
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#define EP_W3_FREE_TX 0x0c
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#define EP_W3_FREE_RX 0x0a
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/*
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* Window 4 registers. Diagnostics.
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*/
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/* Read/Write */
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#define EP_W4_MEDIA_TYPE 0x0a
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#define EP_W4_CTRLR_STATUS 0x08
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#define EP_W4_NET_DIAG 0x06
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#define EP_W4_FIFO_DIAG 0x04
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#define EP_W4_HOST_DIAG 0x02
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#define EP_W4_TX_DIAG 0x00
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/*
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* Window 5 Registers. Results and Internal status.
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*/
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/* Read */
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#define EP_W5_READ_0_MASK 0x0c
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#define EP_W5_INTR_MASK 0x0a
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#define EP_W5_RX_FILTER 0x08
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#define EP_W5_RX_EARLY_THRESH 0x06
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#define EP_W5_TX_AVAIL_THRESH 0x02
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#define EP_W5_TX_START_THRESH 0x00
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/*
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* Window 6 registers. Statistics.
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*/
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/* Read/Write */
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#define TX_TOTAL_OK 0x0c
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#define RX_TOTAL_OK 0x0a
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#define TX_DEFERRALS 0x08
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#define RX_FRAMES_OK 0x07
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#define TX_FRAMES_OK 0x06
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#define RX_OVERRUNS 0x05
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#define TX_COLLISIONS 0x04
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#define TX_AFTER_1_COLLISION 0x03
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#define TX_AFTER_X_COLLISIONS 0x02
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#define TX_NO_SQE 0x01
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#define TX_CD_LOST 0x00
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/****************************************
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*
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* Register definitions.
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*
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****************************************/
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/*
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* Command register. All windows.
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*
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* 16 bit register.
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* 15-11: 5-bit code for command to be executed.
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* 10-0: 11-bit arg if any. For commands with no args;
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* this can be set to anything.
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*/
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#define GLOBAL_RESET (u_short) 0x0000 /* Wait at least 1ms after issuing */
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#define WINDOW_SELECT (u_short) (0x1<<11)
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#define START_TRANSCEIVER (u_short) (0x2<<11) /* Read ADDR_CFG reg to determine
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whether this is needed. If so;
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wait 800 uSec before using trans-
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ceiver. */
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#define RX_DISABLE (u_short) (0x3<<11) /* state disabled on power-up */
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#define RX_ENABLE (u_short) (0x4<<11)
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#define RX_RESET (u_short) (0x5<<11)
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#define RX_DISCARD_TOP_PACK (u_short) (0x8<<11)
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#define TX_ENABLE (u_short) (0x9<<11)
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#define TX_DISABLE (u_short) (0xa<<11)
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#define TX_RESET (u_short) (0xb<<11)
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#define REQ_INTR (u_short) (0xc<<11)
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/*
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* The following C_* acknowledge the various interrupts.
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* Some of them don't do anything. See the manual.
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*/
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#define ACK_INTR (u_short) (0x6800)
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# define C_INTR_LATCH (u_short) (ACK_INTR|0x1)
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# define C_CARD_FAILURE (u_short) (ACK_INTR|0x2)
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# define C_TX_COMPLETE (u_short) (ACK_INTR|0x4)
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# define C_TX_AVAIL (u_short) (ACK_INTR|0x8)
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# define C_RX_COMPLETE (u_short) (ACK_INTR|0x10)
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# define C_RX_EARLY (u_short) (ACK_INTR|0x20)
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# define C_INT_RQD (u_short) (ACK_INTR|0x40)
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# define C_UPD_STATS (u_short) (ACK_INTR|0x80)
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#define SET_INTR_MASK (u_short) (0xe<<11)
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#define SET_RD_0_MASK (u_short) (0xf<<11)
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#define SET_RX_FILTER (u_short) (0x10<<11)
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# define FIL_INDIVIDUAL (u_short) (0x1)
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# define FIL_GROUP (u_short) (0x2)
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# define FIL_BRDCST (u_short) (0x4)
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# define FIL_ALL (u_short) (0x8)
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#define SET_RX_EARLY_THRESH (u_short) (0x11<<11)
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#define SET_TX_AVAIL_THRESH (u_short) (0x12<<11)
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#define SET_TX_START_THRESH (u_short) (0x13<<11)
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#define STATS_ENABLE (u_short) (0x15<<11)
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#define STATS_DISABLE (u_short) (0x16<<11)
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#define STOP_TRANSCEIVER (u_short) (0x17<<11)
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/*
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* Status register. All windows.
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*
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* 15-13: Window number(0-7).
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* 12: Command_in_progress.
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* 11: reserved.
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* 10: reserved.
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* 9: reserved.
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* 8: reserved.
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* 7: Update Statistics.
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* 6: Interrupt Requested.
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* 5: RX Early.
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* 4: RX Complete.
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* 3: TX Available.
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* 2: TX Complete.
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* 1: Adapter Failure.
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* 0: Interrupt Latch.
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*/
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#define S_INTR_LATCH (u_short) (0x1)
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#define S_CARD_FAILURE (u_short) (0x2)
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#define S_TX_COMPLETE (u_short) (0x4)
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#define S_TX_AVAIL (u_short) (0x8)
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#define S_RX_COMPLETE (u_short) (0x10)
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#define S_RX_EARLY (u_short) (0x20)
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#define S_INT_RQD (u_short) (0x40)
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#define S_UPD_STATS (u_short) (0x80)
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#define S_COMMAND_IN_PROGRESS (u_short) (0x1000)
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/*
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* FIFO Registers. RX Status.
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*
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* 15: Incomplete or FIFO empty.
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* 14: 1: Error in RX Packet 0: Incomplete or no error.
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* 13-11: Type of error.
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* 1000 = Overrun.
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* 1011 = Run Packet Error.
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* 1100 = Alignment Error.
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* 1101 = CRC Error.
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* 1001 = Oversize Packet Error (>1514 bytes)
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* 0010 = Dribble Bits.
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* (all other error codes, no errors.)
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*
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* 10-0: RX Bytes (0-1514)
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*/
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#define ERR_INCOMPLETE (u_short) (0x8000)
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#define ERR_RX (u_short) (0x4000)
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#define ERR_RX_PACKET (u_short) (0x2000)
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#define ERR_OVERRUN (u_short) (0x1000)
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#define ERR_RUNT (u_short) (0x1300)
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#define ERR_ALIGNMENT (u_short) (0x1400)
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#define ERR_CRC (u_short) (0x1500)
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#define ERR_OVERSIZE (u_short) (0x1100)
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#define ERR_DRIBBLE (u_short) (0x200)
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/*
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* TX Status
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*
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* Reports the transmit status of a completed transmission. Writing this
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* register pops the transmit completion stack.
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*
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* Window 1/Port 0x0b.
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*
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* 7: Complete
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* 6: Interrupt on successful transmission requested.
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* 5: Jabber Error (TP Only, TX Reset required. )
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* 4: Underrun (TX Reset required. )
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* 3: Maximum Collisions.
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* 2: TX Status Overflow.
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* 1-0: Undefined.
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*
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*/
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#define TXS_COMPLETE 0x80
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#define TXS_INTR_REQ 0x40
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#define TXS_JABBER 0x20
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#define TXS_UNDERRUN 0x10
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#define TXS_MAX_COLLISION 0x8
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#define TXS_STATUS_OVERFLOW 0x4
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/*
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* Misc defines for various things.
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*/
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#define TAG_ADAPTER_0 0xd0
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#define ACTIVATE_ADAPTER_TO_CONFIG 0xff
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#define ENABLE_DRQ_IRQ 0x0001
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#define MFG_ID 0x6d50
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#define PROD_ID 0x9150
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#define BASE sc->ep_io_addr
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#define GO_WINDOW(x) outw(BASE+EP_COMMAND, WINDOW_SELECT|x)
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#define AUI 0x1
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#define BNC 0x2
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#define UTP 0x4
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#define IS_AUI (1<<13)
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#define IS_BNC (1<<12)
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#define IS_UTP (1<<9)
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#define EEPROM_BUSY (1<<15)
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#define EEPROM_TST_MODE (1<<14)
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#define READ_EEPROM (1<<7)
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#define ETHER_ADDR_LEN 6
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#define ETHER_MAX 1536
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#define ENABLE_UTP 0xc0
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#define DISABLE_UTP 0x0
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#define RX_BYTES_MASK (u_short) (0x07ff)
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