1998-01-21 18:33:00 +00:00
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/*-
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* Copyright (c) 1997 Semen Ustimenko
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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. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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1998-06-07 17:13:14 +00:00
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* $Id: smc83c170.h,v 1.7 1998/04/15 17:47:08 bde Exp $
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1998-01-29 10:31:45 +00:00
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*
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1998-01-21 18:33:00 +00:00
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*/
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/*
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* Configuration
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*/
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#define EPIC_MAX_DEVICES 4
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1998-02-04 15:04:09 +00:00
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1998-01-21 18:33:00 +00:00
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#define TX_RING_SIZE 16
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#define RX_RING_SIZE 16
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1998-02-04 15:04:09 +00:00
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#define EPIC_FULL_DUPLEX 1
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#define EPIC_HALF_DUPLEX 0
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1998-01-21 18:33:00 +00:00
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#define ETHER_MAX_FRAME_LEN (ETHER_MAX_LEN + ETHER_CRC_LEN)
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/* Shall be moved to ../net/if_mib.h */
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#define dot3VendorSMC 8
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#define dot3ChipSetSMC83c170 1
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/* PCI identification */
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#define SMC_VENDORID 0x10B8
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#define CHIPID_83C170 0x0005
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#define PCI_VENDORID(x) ((x) & 0xFFFF)
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#define PCI_CHIPID(x) (((x) >> 16) & 0xFFFF)
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/* PCI configuration */
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#define PCI_CFID 0x00 /* Configuration ID */
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#define PCI_CFCS 0x04 /* Configurtion Command/Status */
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#define PCI_CFRV 0x08 /* Configuration Revision */
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#define PCI_CFLT 0x0c /* Configuration Latency Timer */
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#define PCI_CBIO 0x10 /* Configuration Base IO Address */
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#define PCI_CBMA 0x14 /* Configuration Base Memory Address */
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#define PCI_CFIT 0x3c /* Configuration Interrupt */
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#define PCI_CFDA 0x40 /* Configuration Driver Area */
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#define PCI_CONF_WRITE(r, v) pci_conf_write(config_id, (r), (v))
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#define PCI_CONF_READ(r) pci_conf_read(config_id, (r))
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/* EPIC's registers */
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#define COMMAND 0x0000
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#define INTSTAT 0x0004 /* Interrupt status. See below */
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#define INTMASK 0x0008 /* Interrupt mask. See below */
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#define GENCTL 0x000C
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#define NVCTL 0x0010
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#define EECTL 0x0014 /* EEPROM control **/
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#define TEST1 0x001C /* XXXXX */
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#define CRCCNT 0x0020 /* CRC error counter */
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#define ALICNT 0x0024 /* FrameTooLang error counter */
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#define MPCNT 0x0028 /* MissedFrames error counters */
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#define MIICTL 0x0030
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#define MIIDATA 0x0034
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#define MIICFG 0x0038
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#define IPG 0x003C
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#define LAN0 0x0040 /* MAC address */
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#define LAN1 0x0044 /* MAC address */
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#define LAN2 0x0048 /* MAC address */
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#define ID_CHK 0x004C
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#define MC0 0x0050 /* Multicast filter table */
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#define MC1 0x0054 /* Multicast filter table */
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#define MC2 0x0058 /* Multicast filter table */
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#define MC3 0x005C /* Multicast filter table */
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#define RXCON 0x0060 /* Rx control register */
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#define TXCON 0x0070 /* Tx control register */
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#define TXSTAT 0x0074
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#define PRCDAR 0x0084 /* RxRing bus address */
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#define PRSTAT 0x00A4
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#define PRCPTHR 0x00B0
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#define PTCDAR 0x00C4 /* TxRing bus address */
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#define ETXTHR 0x00DC
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#define COMMAND_STOP_RX 0x01
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#define COMMAND_START_RX 0x02
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#define COMMAND_TXQUEUED 0x04
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#define COMMAND_RXQUEUED 0x08
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#define COMMAND_NEXTFRAME 0x10
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#define COMMAND_STOP_TDMA 0x20
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#define COMMAND_STOP_RDMA 0x40
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#define COMMAND_TXUGO 0x80
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/* Tx threshold */
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#define TX_FIFO_THRESH 0x80 /* 0x40 or 0x10 */
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/* Interrupt register bits */
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#define INTSTAT_RCC 0x00000001
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#define INTSTAT_HCC 0x00000002
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#define INTSTAT_RQE 0x00000004
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#define INTSTAT_OVW 0x00000008
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#define INTSTAT_RXE 0x00000010
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#define INTSTAT_TXC 0x00000020
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#define INTSTAT_TCC 0x00000040
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#define INTSTAT_TQE 0x00000080
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#define INTSTAT_TXU 0x00000100
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#define INTSTAT_CNT 0x00000200
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1998-01-29 10:31:45 +00:00
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#define INTSTAT_PREI 0x00000400
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#define INTSTAT_RCT 0x00000800
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#define INTSTAT_FATAL 0x00001000 /* One of DPE,APE,PMA,PTA happend */
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#define INTSTAT_UNUSED1 0x00002000
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#define INTSTAT_UNUSED2 0x00004000
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#define INTSTAT_GP2 0x00008000 /* PHY Event */
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1998-01-21 18:33:00 +00:00
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#define INTSTAT_INT_ACTV 0x00010000
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#define INTSTAT_RXIDLE 0x00020000
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#define INTSTAT_TXIDLE 0x00040000
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#define INTSTAT_RCIP 0x00080000
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#define INTSTAT_TCIP 0x00100000
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#define INTSTAT_RBE 0x00200000
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#define INTSTAT_RCTS 0x00400000
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1998-01-29 10:31:45 +00:00
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#define INTSTAT_RSV 0x00800000
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#define INTSTAT_DPE 0x01000000 /* PCI Fatal error */
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#define INTSTAT_APE 0x02000000 /* PCI Fatal error */
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#define INTSTAT_PMA 0x04000000 /* PCI Fatal error */
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#define INTSTAT_PTA 0x08000000 /* PCI Fatal error */
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1998-01-21 18:33:00 +00:00
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#define GENCTL_SOFT_RESET 0x00000001
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#define GENCTL_ENABLE_INTERRUPT 0x00000002
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#define GENCTL_SOFTWARE_INTERRUPT 0x00000004
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#define GENCTL_POWER_DOWN 0x00000008
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#define GENCTL_ONECOPY 0x00000010
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#define GENCTL_BIG_ENDIAN 0x00000020
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#define GENCTL_RECEIVE_DMA_PRIORITY 0x00000040
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#define GENCTL_TRANSMIT_DMA_PRIORITY 0x00000080
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#define GENCTL_RECEIVE_FIFO_THRESHOLD128 0x00000300
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#define GENCTL_RECEIVE_FIFO_THRESHOLD96 0x00000200
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#define GENCTL_RECEIVE_FIFO_THRESHOLD64 0x00000100
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#define GENCTL_RECEIVE_FIFO_THRESHOLD32 0x00000000
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#define GENCTL_MEMORY_READ_LINE 0x00000400
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#define GENCTL_MEMORY_READ_MULTIPLE 0x00000800
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#define GENCTL_SOFTWARE1 0x00001000
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#define GENCTL_SOFTWARE2 0x00002000
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#define GENCTL_RESET_PHY 0x00004000
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1998-02-20 18:08:46 +00:00
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#define NVCTL_ENABLE_MEMORY_MAP 0x00000001
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#define NVCTL_CLOCK_RUN_SUPPORTED 0x00000002
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#define NVCTL_GP1_OUTPUT_ENABLE 0x00000004
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#define NVCTL_GP2_OUTPUT_ENABLE 0x00000008
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#define NVCTL_GP1 0x00000010
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#define NVCTL_GP2 0x00000020
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#define NVCTL_CARDBUS_MODE 0x00000040
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#define NVCTL_IPG_DELAY_MASK(x) ((x&0xF)<<7)
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1998-01-21 18:33:00 +00:00
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#define RXCON_SAVE_ERRORED_PACKETS 0x00000001
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#define RXCON_RECEIVE_RUNT_FRAMES 0x00000002
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#define RXCON_RECEIVE_BROADCAST_FRAMES 0x00000004
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#define RXCON_RECEIVE_MULTICAST_FRAMES 0x00000008
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#define RXCON_RECEIVE_INVERSE_INDIVIDUAL_ADDRESS_FRAMES 0x00000010
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#define RXCON_PROMISCUOUS_MODE 0x00000020
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#define RXCON_MONITOR_MODE 0x00000040
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#define RXCON_EARLY_RECEIVE_ENABLE 0x00000080
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#define RXCON_EXTERNAL_BUFFER_DISABLE 0x00000000
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#define RXCON_EXTERNAL_BUFFER_16K 0x00000100
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#define RXCON_EXTERNAL_BUFFER_32K 0x00000200
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#define RXCON_EXTERNAL_BUFFER_128K 0x00000300
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#define TXCON_EARLY_TRANSMIT_ENABLE 0x00000001
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#define TXCON_LOOPBACK_DISABLE 0x00000000
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#define TXCON_LOOPBACK_MODE_INT 0x00000002
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#define TXCON_LOOPBACK_MODE_PHY 0x00000004
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#define TXCON_LOOPBACK_MODE_FULL_DUPLEX 0x00000006
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1998-01-29 10:31:45 +00:00
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#define TXCON_SLOT_TIME 0x00000078
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#define TXCON_DEFAULT (TXCON_SLOT_TIME|TXCON_EARLY_TRANSMIT_ENABLE)
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/*
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* National Semiconductor's DP83840A Registers and bits
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*/
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1998-02-20 18:08:46 +00:00
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#define DP83840_OUI 0x080017
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1998-01-29 10:31:45 +00:00
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#define DP83840_BMCR 0x00 /* Control register */
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#define DP83840_BMSR 0x01 /* Status rgister */
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#define DP83840_ANAR 0x04 /* Autonegotiation advertising register */
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1998-02-20 18:08:46 +00:00
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#define DP83840_LPAR 0x05 /* Link Partner Ability register */
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1998-02-04 15:04:09 +00:00
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#define DP83840_ANER 0x06 /* Auto-Negotiation Expansion Register */
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#define DP83840_PAR 0x19 /* PHY Address Register */
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1998-01-29 10:31:45 +00:00
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#define DP83840_PHYIDR1 0x02
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#define DP83840_PHYIDR2 0x03
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#define BMCR_RESET 0x8000
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#define BMCR_100MBPS 0x2000 /* 10/100 Mbps */
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#define BMCR_AUTONEGOTIATION 0x1000 /* ON/OFF */
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#define BMCR_RESTART_AUTONEG 0x0200
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#define BMCR_FULL_DUPLEX 0x0100
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#define BMSR_100BASE_T4 0x8000
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#define BMSR_100BASE_TX_FD 0x4000
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#define BMSR_100BASE_TX 0x2000
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#define BMSR_10BASE_T_FD 0x1000
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#define BMSR_10BASE_T 0x0800
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#define BMSR_AUTONEG_COMPLETE 0x0020
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#define BMSR_AUTONEG_ABLE 0x0008
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#define BMSR_LINK_STATUS 0x0004
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1998-02-04 15:04:09 +00:00
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#define PAR_FULL_DUPLEX 0x0400
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#define ANER_MULTIPLE_LINK_FAULT 0x10
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1998-02-20 18:08:46 +00:00
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/* ANAR and LPAR have the same bits, define them only once */
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1998-01-29 10:31:45 +00:00
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#define ANAR_10 0x0020
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#define ANAR_10_FD 0x0040
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1998-02-20 18:08:46 +00:00
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#define ANAR_100_TX 0x0080
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#define ANAR_100_TX_FD 0x0100
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#define ANAR_100_T4 0x0200
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/*
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* Quality Semiconductor's QS6612 registers and bits
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*/
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#define QS6612_OUI 0x006051
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#define QS6612_INTSTAT 29
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#define QS6612_INTMASK 30
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#define INTSTAT_AN_COMPLETE 0x40 /* Autonegotiation complete */
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#define INTSTAT_RF_DETECTED 0x20 /* Remote Fault detected */
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#define INTSTAT_LINK_STATUS 0x10 /* Link status changed */
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#define INTSTAT_AN_LP_ACK 0x08 /* Autoneg. LP Acknoledge */
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#define INTSTAT_PD_FAULT 0x04 /* Parallel Detection Fault */
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#define INTSTAT_AN_PAGE 0x04 /* Autoneg. Page Received */
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#define INTSTAT_RE_CNT_FULL 0x01 /* Receive Error Counter Full */
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#define INTMASK_THUNDERLAN 0x8000 /* Enable interrupts */
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1998-01-21 18:33:00 +00:00
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/*
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* Structures definition and Functions prototypes
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*/
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1998-02-04 15:04:09 +00:00
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/* EPIC's hardware descriptors, must be aligned on dword in memory */
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1998-02-20 18:08:46 +00:00
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/* NB: to make driver happy, this two structures MUST have thier sizes */
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/* be divisor of PAGE_SIZE */
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1998-01-21 18:33:00 +00:00
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struct epic_tx_desc {
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1998-04-13 14:15:40 +00:00
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volatile u_int16_t status;
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volatile u_int16_t txlength;
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volatile u_int32_t bufaddr;
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volatile u_int16_t buflength;
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volatile u_int16_t control;
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volatile u_int32_t next;
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1998-01-21 18:33:00 +00:00
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};
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struct epic_rx_desc {
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1998-04-13 14:15:40 +00:00
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volatile u_int16_t status;
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volatile u_int16_t rxlength;
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volatile u_int32_t bufaddr;
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volatile u_int32_t buflength;
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volatile u_int32_t next;
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1998-01-21 18:33:00 +00:00
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};
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1998-02-20 18:08:46 +00:00
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/* This structure defines EPIC's fragment list, maximum number of frags */
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/* is 63. Let use maximum, becouse size of struct MUST be divisor of */
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/* PAGE_SIZE, and sometimes come mbufs with more then 30 frags */
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1998-02-04 15:04:09 +00:00
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struct epic_frag_list {
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1998-04-13 14:15:40 +00:00
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volatile u_int32_t numfrags;
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1998-02-20 18:08:46 +00:00
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struct {
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1998-04-13 14:15:40 +00:00
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volatile u_int32_t fragaddr;
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volatile u_int32_t fraglen;
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1998-02-20 18:08:46 +00:00
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} frag[63];
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1998-04-13 14:15:40 +00:00
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volatile u_int32_t pad; /* align on 256 bytes */
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1998-02-04 15:04:09 +00:00
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};
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1998-01-21 18:33:00 +00:00
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1998-02-04 15:04:09 +00:00
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/* This is driver's structure to define EPIC descriptors */
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1998-01-21 18:33:00 +00:00
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struct epic_rx_buffer {
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1998-02-04 15:04:09 +00:00
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#if defined(RX_TO_MBUF)
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1998-02-20 18:08:46 +00:00
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struct mbuf * mbuf; /* mbuf receiving packet */
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#else
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caddr_t data; /* or static address */
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1998-01-21 18:33:00 +00:00
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#endif
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};
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struct epic_tx_buffer {
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1998-02-04 15:04:09 +00:00
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#if defined(TX_FRAG_LIST)
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struct mbuf * mbuf; /* mbuf contained packet */
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#else
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1998-01-21 18:33:00 +00:00
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caddr_t data; /* Tx buffer address */
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1998-02-04 15:04:09 +00:00
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#endif
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1998-01-21 18:33:00 +00:00
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};
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1998-02-04 15:04:09 +00:00
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/*
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* NB: ALIGN OF ABOVE STRUCTURES
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* epic_rx_desc, epic_tx_desc, epic_frag_list - must be aligned on dword
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*/
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/* Driver status structure */
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1998-01-21 18:33:00 +00:00
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typedef struct {
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1998-02-04 15:04:09 +00:00
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u_int32_t unit;
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1998-01-21 18:33:00 +00:00
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struct epic_rx_buffer rx_buffer[RX_RING_SIZE];
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struct epic_tx_buffer tx_buffer[TX_RING_SIZE];
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1998-02-20 18:08:46 +00:00
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/* Each element of array MUST be aligned on dword */
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/* and bounded on PAGE_SIZE */
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struct epic_rx_desc *rx_desc;
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struct epic_tx_desc *tx_desc;
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#if defined(TX_FRAG_LIST)
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struct epic_frag_list *tx_flist;
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#endif
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1998-03-04 16:35:05 +00:00
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#if defined(_NET_IF_MEDIA_H_)
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1998-02-20 18:08:46 +00:00
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struct ifmedia ifmedia;
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1998-03-04 16:35:05 +00:00
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#endif
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1998-02-04 15:04:09 +00:00
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struct arpcom epic_ac;
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1998-02-20 18:08:46 +00:00
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u_int32_t phyid;
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1998-01-21 18:33:00 +00:00
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u_int32_t cur_tx;
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u_int32_t cur_rx;
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u_int32_t dirty_tx;
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u_int32_t pending_txs;
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1998-04-13 14:15:40 +00:00
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#if defined(EPIC_USEIOSPACE)
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1998-01-21 18:33:00 +00:00
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u_int32_t iobase;
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1998-04-13 14:15:40 +00:00
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#else
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caddr_t csr;
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#endif
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1998-01-21 18:33:00 +00:00
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struct ifmib_iso_8802_3 dot3stats;
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} epic_softc_t;
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#define epic_if epic_ac.ac_if
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#define epic_macaddr epic_ac.ac_enaddr
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1998-04-13 14:15:40 +00:00
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#if defined(EPIC_USEIOSPACE)
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#define CSR_WRITE_4(sc,reg,val) outl( (sc)->iobase + (u_int32_t)(reg), (val) )
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#define CSR_WRITE_2(sc,reg,val) outw( (sc)->iobase + (u_int32_t)(reg), (val) )
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#define CSR_WRITE_1(sc,reg,val) outb( (sc)->iobase + (u_int32_t)(reg), (val) )
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#define CSR_READ_4(sc,reg) inl( (sc)->iobase + (u_int32_t)(reg) )
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#define CSR_READ_2(sc,reg) inw( (sc)->iobase + (u_int32_t)(reg) )
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#define CSR_READ_1(sc,reg) inb( (sc)->iobase + (u_int32_t)(reg) )
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#else
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#define CSR_WRITE_1(sc,reg,val) ((*(u_int8_t*)((sc)->csr + (u_int32_t)(reg))) = (u_int8_t)(val))
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#define CSR_WRITE_2(sc,reg,val) ((*(u_int16_t*)((sc)->csr + (u_int32_t)(reg))) = (u_int16_t)(val))
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#define CSR_WRITE_4(sc,reg,val) ((*(u_int32_t*)((sc)->csr + (u_int32_t)(reg))) = (u_int32_t)(val))
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#define CSR_READ_1(sc,reg) (*(u_int8_t*)((sc)->csr + (u_int32_t)(reg)))
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#define CSR_READ_2(sc,reg) (*(u_int16_t*)((sc)->csr + (u_int32_t)(reg)))
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#define CSR_READ_4(sc,reg) (*(u_int32_t*)((sc)->csr + (u_int32_t)(reg)))
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#endif
|
1998-01-21 18:33:00 +00:00
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1998-02-20 18:08:46 +00:00
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static char* epic_pci_probe __P((pcici_t, pcidi_t));
|
1998-02-04 15:04:09 +00:00
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/* Folowing functions calls splimp() */
|
1998-06-07 17:13:14 +00:00
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static int epic_ifioctl __P((register struct ifnet *, u_long, caddr_t));
|
1998-02-20 18:08:46 +00:00
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static void epic_ifstart __P((struct ifnet *));
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static void epic_ifwatchdog __P((struct ifnet *));
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static void epic_pci_attach __P((pcici_t, int));
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static int epic_init __P((epic_softc_t *));
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static void epic_stop __P((epic_softc_t *));
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static int epic_ifmedia_change __P((struct ifnet *));
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static void epic_ifmedia_status __P((struct ifnet *, struct ifmediareq *));
|
1998-01-21 18:33:00 +00:00
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|
1998-02-04 15:04:09 +00:00
|
|
|
/* Following functions doesn't call splimp() */
|
1998-02-20 18:08:46 +00:00
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static void epic_intr_normal __P((void *));
|
1998-04-15 17:47:40 +00:00
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static __inline void epic_rx_done __P((epic_softc_t *));
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static __inline void epic_tx_done __P((epic_softc_t *));
|
1998-02-20 18:08:46 +00:00
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static void epic_shutdown __P((int, void *));
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static int epic_init_rings __P((epic_softc_t *));
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static void epic_free_rings __P((epic_softc_t *));
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static void epic_set_rx_mode __P((epic_softc_t *));
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static void epic_set_mc_table __P((epic_softc_t *));
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static void epic_set_media_speed __P((epic_softc_t *));
|
1998-04-13 14:15:40 +00:00
|
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static void epic_init_phy __P((epic_softc_t *));
|
1998-02-20 18:08:46 +00:00
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static int epic_autoneg __P((epic_softc_t *));
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|
1998-04-13 14:15:40 +00:00
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static int epic_read_eeprom __P((epic_softc_t *,u_int16_t));
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static void epic_output_eepromw __P((epic_softc_t *, u_int16_t));
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static u_int16_t epic_input_eepromw __P((epic_softc_t *));
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static u_int8_t epic_eeprom_clock __P((epic_softc_t *,u_int8_t));
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static void epic_write_eepromreg __P((epic_softc_t *,u_int8_t));
|
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|
static u_int8_t epic_read_eepromreg __P((epic_softc_t *));
|
1998-02-20 18:08:46 +00:00
|
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|
1998-04-13 14:15:40 +00:00
|
|
|
static int epic_read_phy_register __P((epic_softc_t *, u_int16_t));
|
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|
static void epic_write_phy_register __P((epic_softc_t *, u_int16_t,u_int16_t));
|