/*- * Copyright (c) 1997,1998 Maxim Bolotin and Oleg Sharoiko. * All rights reserved. * * 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 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 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ /* * $FreeBSD$ */ #include #define CS_89x0_IO_PORTS 0x0020 #define PP_ChipID 0x0000 /* offset 0h -> Corp -ID */ /* offset 2h -> Model/Product Number */ /* offset 3h -> Chip Revision Number */ #define PP_ISAIOB 0x0020 /* IO base address */ #define PP_CS8900_ISAINT 0x0022 /* ISA interrupt select */ #define PP_CS8900_ISADMA 0x0024 /* ISA Rec DMA channel */ #define PP_CS8920_ISAINT 0x0370 /* ISA interrupt select */ #define PP_CS8920_ISADMA 0x0374 /* ISA Rec DMA channel */ #define PP_ISASOF 0x0026 /* ISA DMA offset */ #define PP_DmaFrameCnt 0x0028 /* ISA DMA Frame count */ #define PP_DmaByteCnt 0x002A /* ISA DMA Byte count */ #define PP_CS8920_ISAMemB 0x0348 /* Memory base */ /* EEPROM data and command registers */ #define PP_EECMD 0x0040 /* NVR Interface Command register */ #define PP_EEData 0x0042 /* NVR Interface Data Register */ #define PP_DebugReg 0x0044 /* Debug Register */ #define PP_RxCFG 0x0102 /* Rx Bus config */ #define PP_RxCTL 0x0104 /* Receive Control Register */ #define PP_TxCFG 0x0106 /* Transmit Config Register */ #define PP_TxCMD 0x0108 /* Transmit Command Register */ #define PP_BufCFG 0x010A /* Bus configuration Register */ #define PP_LineCTL 0x0112 /* Line Config Register */ #define PP_SelfCTL 0x0114 /* Self Command Register */ #define PP_BusCTL 0x0116 /* ISA bus control Register */ #define PP_TestCTL 0x0118 /* Test Register */ #define PP_AutoNegCTL 0x011C /* Auto Negotiation Ctrl */ #define PP_ISQ 0x0120 /* Interrupt Status */ #define PP_RxEvent 0x0124 /* Rx Event Register */ #define PP_TxEvent 0x0128 /* Tx Event Register */ #define PP_BufEvent 0x012C /* Bus Event Register */ #define PP_RxMiss 0x0130 /* Receive Miss Count */ #define PP_TxCol 0x0132 /* Transmit Collision Count */ #define PP_LineST 0x0134 /* Line State Register */ #define PP_SelfST 0x0136 /* Self State register */ #define PP_BusST 0x0138 /* Bus Status */ #define PP_TDR 0x013C /* Time Domain Reflectometry */ #define PP_AutoNegST 0x013E /* Auto Neg Status */ #define PP_TxCommand 0x0144 /* Tx Command */ #define PP_TxLength 0x0146 /* Tx Length */ #define PP_LAF 0x0150 /* Hash Table */ #define PP_IA 0x0158 /* Physical Address Register */ #define PP_RxStatus 0x0400 /* Receive start of frame */ #define PP_RxLength 0x0402 /* Receive Length of frame */ #define PP_RxFrame 0x0404 /* Receive frame pointer */ #define PP_TxFrame 0x0A00 /* Transmit frame pointer */ /* * Primary I/O Base Address. If no I/O base is supplied by the user, then this * can be used as the default I/O base to access the PacketPage Area. */ #define DEFAULTIOBASE 0x0300 #define FIRST_IO 0x020C /* First I/O port to check */ #define LAST_IO 0x037C /* Last I/O port to check (+10h) */ #define ADD_MASK 0x3000 /* Mask it use of the ADD_PORT register */ #define ADD_SIG 0x3000 /* Expected ID signature */ #define CHIP_EISA_ID_SIG 0x630E /* Product ID Code for Crystal Chip (CS8900 spec 4.3) */ #define PRODUCT_ID_ADD 0x0002 /* Address of product ID */ /* Mask to find out the types of registers */ #define REG_TYPE_MASK 0x001F /* Eeprom Commands */ #define ERSE_WR_ENBL 0x00F0 #define ERSE_WR_DISABLE 0x0000 /* Defines Control/Config register quintuplet numbers */ #define RX_BUF_CFG 0x0003 #define RX_CONTROL 0x0005 #define TX_CFG 0x0007 #define TX_COMMAND 0x0009 #define BUF_CFG 0x000B #define LINE_CONTROL 0x0013 #define SELF_CONTROL 0x0015 #define BUS_CONTROL 0x0017 #define TEST_CONTROL 0x0019 /* Defines Status/Count registers quintuplet numbers */ #define RX_EVENT 0x0004 #define TX_EVENT 0x0008 #define BUF_EVENT 0x000C #define RX_MISS_COUNT 0x0010 #define TX_COL_COUNT 0x0012 #define LINE_STATUS 0x0014 #define SELF_STATUS 0x0016 #define BUS_STATUS 0x0018 #define TDR 0x001C /* * PP_RxCFG - Receive Configuration and Interrupt Mask * bit definition - Read/write */ #define SKIP_1 0x0040 #define RX_STREAM_ENBL 0x0080 #define RX_OK_ENBL 0x0100 #define RX_DMA_ONLY 0x0200 #define AUTO_RX_DMA 0x0400 #define BUFFER_CRC 0x0800 #define RX_CRC_ERROR_ENBL 0x1000 #define RX_RUNT_ENBL 0x2000 #define RX_EXTRA_DATA_ENBL 0x4000 /* PP_RxCTL - Receive Control bit definition - Read/write */ #define RX_IA_HASH_ACCEPT 0x0040 #define RX_PROM_ACCEPT 0x0080 #define RX_OK_ACCEPT 0x0100 #define RX_MULTCAST_ACCEPT 0x0200 #define RX_IA_ACCEPT 0x0400 #define RX_BROADCAST_ACCEPT 0x0800 #define RX_BAD_CRC_ACCEPT 0x1000 #define RX_RUNT_ACCEPT 0x2000 #define RX_EXTRA_DATA_ACCEPT 0x4000 #define RX_ALL_ACCEPT (RX_PROM_ACCEPT | RX_BAD_CRC_ACCEPT | \ RX_RUNT_ACCEPT | RX_EXTRA_DATA_ACCEPT) /* * Default receive mode - individually addressed, broadcast, and error free */ #define RX_DEF_ACCEPT (RX_IA_ACCEPT | RX_BROADCAST_ACCEPT | RX_OK_ACCEPT) /* * PP_TxCFG - Transmit Configuration Interrupt Mask * bit definition - Read/write */ #define TX_LOST_CRS_ENBL 0x0040 #define TX_SQE_ERROR_ENBL 0x0080 #define TX_OK_ENBL 0x0100 #define TX_LATE_COL_ENBL 0x0200 #define TX_JBR_ENBL 0x0400 #define TX_ANY_COL_ENBL 0x0800 #define TX_16_COL_ENBL 0x8000 /* * PP_TxCMD - Transmit Command bit definition - Read-only */ #define TX_START_4_BYTES 0x0000 #define TX_START_64_BYTES 0x0040 #define TX_START_128_BYTES 0x0080 #define TX_START_ALL_BYTES 0x00C0 #define TX_FORCE 0x0100 #define TX_ONE_COL 0x0200 #define TX_TWO_PART_DEFF_DISABLE 0x0400 #define TX_NO_CRC 0x1000 #define TX_RUNT 0x2000 /* * PP_BufCFG - Buffer Configuration Interrupt Mask * bit definition - Read/write */ #define GENERATE_SW_INTERRUPT 0x0040 #define RX_DMA_ENBL 0x0080 #define READY_FOR_TX_ENBL 0x0100 #define TX_UNDERRUN_ENBL 0x0200 #define RX_MISS_ENBL 0x0400 #define RX_128_BYTE_ENBL 0x0800 #define TX_COL_COUNT_OVRFLOW_ENBL 0x1000 #define RX_MISS_COUNT_OVRFLOW_ENBL 0x2000 #define RX_DEST_MATCH_ENBL 0x8000 /* * PP_LineCTL - Line Control bit definition - Read/write */ #define SERIAL_RX_ON 0x0040 #define SERIAL_TX_ON 0x0080 #define AUI_ONLY 0x0100 #define AUTO_AUI_10BASET 0x0200 #define MODIFIED_BACKOFF 0x0800 #define NO_AUTO_POLARITY 0x1000 #define TWO_PART_DEFDIS 0x2000 #define LOW_RX_SQUELCH 0x4000 /* * PP_SelfCTL - Software Self Control bit definition - Read/write */ #define POWER_ON_RESET 0x0040 #define SW_STOP 0x0100 #define SLEEP_ON 0x0200 #define AUTO_WAKEUP 0x0400 #define HCB0_ENBL 0x1000 #define HCB1_ENBL 0x2000 #define HCB0 0x4000 #define HCB1 0x8000 /* * PP_BusCTL - ISA Bus Control bit definition - Read/write */ #define RESET_RX_DMA 0x0040 #define MEMORY_ON 0x0400 #define DMA_BURST_MODE 0x0800 #define IO_CHANNEL_READY_ON 0x1000 #define RX_DMA_SIZE_64Ks 0x2000 #define ENABLE_IRQ 0x8000 /* * PP_TestCTL - Test Control bit definition - Read/write */ #define LINK_OFF 0x0080 #define ENDEC_LOOPBACK 0x0200 #define AUI_LOOPBACK 0x0400 #define BACKOFF_OFF 0x0800 #define FAST_TEST 0x8000 /* * PP_RxEvent - Receive Event Bit definition - Read-only */ #define RX_IA_HASHED 0x0040 #define RX_DRIBBLE 0x0080 #define RX_OK 0x0100 #define RX_HASHED 0x0200 #define RX_IA 0x0400 #define RX_BROADCAST 0x0800 #define RX_CRC_ERROR 0x1000 #define RX_RUNT 0x2000 #define RX_EXTRA_DATA 0x4000 #define HASH_INDEX_MASK 0x0FC00 /* * PP_TxEvent - Transmit Event Bit definition - Read-only */ #define TX_LOST_CRS 0x0040 #define TX_SQE_ERROR 0x0080 #define TX_OK 0x0100 #define TX_LATE_COL 0x0200 #define TX_JBR 0x0400 #define TX_16_COL 0x8000 #define TX_SEND_OK_BITS (TX_OK | TX_LOST_CRS) #define TX_COL_COUNT_MASK 0x7800 /* * PP_BufEvent - Buffer Event Bit definition - Read-only */ #define SW_INTERRUPT 0x0040 #define RX_DMA 0x0080 #define READY_FOR_TX 0x0100 #define TX_UNDERRUN 0x0200 #define RX_MISS 0x0400 #define RX_128_BYTE 0x0800 #define TX_COL_OVRFLW 0x1000 #define RX_MISS_OVRFLW 0x2000 #define RX_DEST_MATCH 0x8000 /* * PP_LineST - Ethernet Line Status bit definition - Read-only */ #define LINK_OK 0x0080 #define AUI_ON 0x0100 #define TENBASET_ON 0x0200 #define POLARITY_OK 0x1000 #define CRS_OK 0x4000 /* * PP_SelfST - Chip Software Status bit definition */ #define ACTIVE_33V 0x0040 #define INIT_DONE 0x0080 #define SI_BUSY 0x0100 #define EEPROM_PRESENT 0x0200 #define EEPROM_OK 0x0400 #define EL_PRESENT 0x0800 #define EE_SIZE_64 0x1000 /* * PP_BusST - ISA Bus Status bit definition */ #define TX_BID_ERROR 0x0080 #define READY_FOR_TX_NOW 0x0100 /* * PP_AutoNegCTL - Auto Negotiation Control bit definition */ #define RE_NEG_NOW 0x0040 #define ALLOW_FDX 0x0080 #define AUTO_NEG_ENABLE 0x0100 #define NLP_ENABLE 0x0200 #define FORCE_FDX 0x8000 #define AUTO_NEG_BITS (FORCE_FDX | NLP_ENABLE | AUTO_NEG_ENABLE) #define AUTO_NEG_MASK (FORCE_FDX | NLP_ENABLE | AUTO_NEG_ENABLE | \ ALLOW_FDX | RE_NEG_NOW) /* * PP_AutoNegST - Auto Negotiation Status bit definition */ #define AUTO_NEG_BUSY 0x0080 #define FLP_LINK 0x0100 #define FLP_LINK_GOOD 0x0800 #define LINK_FAULT 0x1000 #define HDX_ACTIVE 0x4000 #define FDX_ACTIVE 0x8000 /* * The following block defines the ISQ event types */ #define ISQ_RECEIVER_EVENT 0x04 #define ISQ_TRANSMITTER_EVENT 0x08 #define ISQ_BUFFER_EVENT 0x0c #define ISQ_RX_MISS_EVENT 0x10 #define ISQ_TX_COL_EVENT 0x12 #define ISQ_EVENT_MASK 0x003F /* ISQ mask to find out type of event */ #define ISQ_HIST 16 /* small history buffer */ #define AUTOINCREMENT 0x8000 /* Bit mask to set bit-15 for autoincrement */ #define TXRXBUFSIZE 0x0600 #define RXDMABUFSIZE 0x8000 #define RXDMASIZE 0x4000 #define TXRX_LENGTH_MASK 0x07FF /* rx options bits */ #define RCV_WITH_RXON 1 /* Set SerRx ON */ #define RCV_COUNTS 2 /* Use Framecnt1 */ #define RCV_PONG 4 /* Pong respondent */ #define RCV_DONG 8 /* Dong operation */ #define RCV_POLLING 0x10 /* Poll RxEvent */ #define RCV_ISQ 0x20 /* Use ISQ, int */ #define RCV_AUTO_DMA 0x100 /* Set AutoRxDMAE */ #define RCV_DMA 0x200 /* Set RxDMA only */ #define RCV_DMA_ALL 0x400 /* Copy all DMA'ed */ #define RCV_FIXED_DATA 0x800 /* Every frame same */ #define RCV_IO 0x1000 /* Use ISA IO only */ #define RCV_MEMORY 0x2000 /* Use ISA Memory */ #define RAM_SIZE 0x1000 /* The card has 4k bytes or RAM */ #define PKT_START PP_TxFrame /* Start of packet RAM */ #define RX_FRAME_PORT 0x0000 #define TX_FRAME_PORT RX_FRAME_PORT #define TX_CMD_PORT 0x0004 #define TX_CS8900_NOW 0x0000 /* Tx packet after 5 bytes copied */ #define TX_CS8900_AFTER_381 0x0020 /* Tx packet after 381 bytes copied */ #define TX_CS8900_AFTER_ALL 0x0060 /* Tx packet after all bytes copied */ #define TX_CS8920_NOW 0x0000 /* Tx packet after 5 bytes copied */ #define TX_CS8920_AFTER_381 0x0040 /* Tx packet after 381 bytes copied */ #define TX_CS8920_AFTER_1021 0x0080 /* Tx packet after1021 bytes copied */ #define TX_CS8920_AFTER_ALL 0x00C0 /* Tx packet after all bytes copied */ #define TX_LEN_PORT 0x0006 #define ISQ_PORT 0x0008 #define ADD_PORT 0x000A #define DATA_PORT 0x000C #define EEPROM_WRITE_EN 0x00F0 #define EEPROM_WRITE_DIS 0x0000 #define EEPROM_WRITE_CMD 0x0100 #define EEPROM_READ_CMD 0x0200 /* Receive Header * Description of header of each packet in receive area of memory */ #define RBUF_EVENT_LOW 0 /* Low byte of RxEvent - status of received frame */ #define RBUF_EVENT_HIGH 1 /* High byte of RxEvent - status of received frame */ #define RBUF_LEN_LOW 2 /* Length of received data - low byte */ #define RBUF_LEN_HI 3 /* Length of received data - high byte */ #define RBUF_HEAD_LEN 4 /* Length of this header */ #define CHIP_READ 0x1 /* Used to mark state of the repins code (chip or dma) */ #define DMA_READ 0x2 /* Used to mark state of the repins code (chip or dma) */ /* for bios scan */ /* */ #ifdef CSDEBUG /* use these values for debugging bios scan */ #define BIOS_START_SEG 0x00000 #define BIOS_OFFSET_INC 0x0010 #else #define BIOS_START_SEG 0x0c000 #define BIOS_OFFSET_INC 0x0200 #endif #define BIOS_LAST_OFFSET 0x0fc00 /* * Word offsets into the EEPROM configuration buffer */ #define ISA_CNF_OFFSET 0x3 #define INT_NO_MASK 0x000F #define DMA_NO_MASK 0x0070 #define USE_SA 0x0080 #define IOCHRDY_ENABLE 0x0100 #define ISA_DMA_SIZE 0x0200 /* 0 16k 1 64k */ #define ISA_AUTO_RxDMA 0x0400 #define ISA_RxDMA 0x0800 #define DMA_BURST 0x1000 #define STREAM_TRANSFER 0x2000 #define ANY_ISA_DMA (ISA_AUTO_RxDMA | ISA_RxDMA) #define BOOT_PROM_FLAG 0x4000 #define MEMORY_MODE 0x8000 #define PACKET_PAGE_BASE (ISA_CNF_OFFSET + 1) #define BOOT_ROM_BASE (ISA_CNF_OFFSET + 2) #define BOOT_PROM_MASK (ISA_CNF_OFFSET + 3) #define TX_CTL_OFFSET (ISA_CNF_OFFSET + 4) /* 8900 eeprom */ #define AUTO_NEG_CNF_OFFSET (ISA_CNF_OFFSET + 4) /* 8920 eeprom */ /* * the assumption here is that the bits in the eeprom are generally * in the same position as those in the autonegctl register. * Of course the IMM bit is not in that register so it must be * masked out */ #define EE_FORCE_FDX 0x8000 #define EE_NLP_ENABLE 0x0200 #define EE_AUTO_NEG_ENABLE 0x0100 #define EE_ALLOW_FDX 0x0080 #define EE_AUTO_NEG_CNF_MASK (EE_FORCE_FDX | EE_NLP_ENABLE | \ EE_AUTO_NEG_ENABLE | EE_ALLOW_FDX) #define IMM_BIT 0x0040 /* ignore missing media */ #define ADAPTER_CNF_OFFSET (ISA_CNF_OFFSET + 5) #define A_CNF_MEDIA 0x0007 #define A_CNF_10B_T 0x0001 #define A_CNF_AUI 0x0002 #define A_CNF_10B_2 0x0004 #define A_CNF_MEDIA_TYPE 0x0060 #define A_CNF_MEDIA_AUTO 0x0000 #define A_CNF_MEDIA_10B_T 0x0020 #define A_CNF_MEDIA_AUI 0x0040 #define A_CNF_MEDIA_10B_2 0x0060 #define A_CNF_DC_DC_POLARITY 0x0080 #define A_CNF_WAKE_ENABLED 0x0100 #define A_CNF_WAKE_CFG 0x0200 #define A_CNF_CAN_WAKE 0x0400 #define A_CNF_OPT_FLAGS 0x1800 /* 00 server, 01 DOS 10 multi-user */ #define A_CNF_NO_AUTO_POLARITY 0x2000 #define A_CNF_LOW_RX_SQUELCH 0x4000 #define A_CNF_EXTND_10B_2 0x8000 #define MFG_DATE_OFFSET (ISA_CNF_OFFSET + 8) #define PACKET_PAGE_OFFSET 0x8 /* DMA controller registers */ #define DMA_BASE 0x00 /* DMA controller base */ #define DMA_BASE_2 0x0C0 /* DMA controller base */ #define DMA_STAT 0x0D0 /* DMA controller status register */ #define DMA_MASK 0x0D4 /* DMA controller mask register */ #define DMA_MODE 0x0D6 /* DMA controller mode register */ #define DMA_RESETFF 0x0D8 /* DMA controller first/last flip flop */ /* DMA data */ #define DMA_DISABLE 0x04 /* Disable channel n */ #define DMA_ENABLE 0x00 /* Enable channel n */ /* Demand transfers, incr. address, auto init, writes, ch. n */ #define DMA_RX_MODE 0x14 /* Demand transfers, incr. address, auto init, reads, ch. n */ #define DMA_TX_MODE 0x18 #define DMA_SIZE (16*1024) /* Size of dma buffer - 16k */ #define CS8900 0x0000 #define CS8920 0x4000 #define CS8920M 0x6000 #define REVISON_BITS 0x1F00 #define EEVER_NUMBER 0x12 #define CHKSUM_LEN 0x14 #define CHKSUM_VAL 0x0000 #define START_EEPROM_DATA 0x001c /* Offset into eeprom for start of data */ #define IRQ_MAP_EEPROM_DATA 0x0046 /* Offset into eeprom for the IRQ map */ #define IRQ_MAP_LEN 0x0004 /* No of bytes to read for the IRQ map */ #define PNP_IRQ_FRMT 0x0022 /* PNP small item IRQ format */ #define CS8900_IRQ_MAP 0x1c20 /* This IRQ map is fixed */ #define CS8920_NO_INTS 0x0F /* Max CS8920 interrupt select # */ #define PNP_ADD_PORT 0x0279 #define PNP_WRITE_PORT 0x0A79 #define GET_PNP_ISA_STRUCT 0x40 #define PNP_ISA_STRUCT_LEN 0x06 #define PNP_CSN_CNT_OFF 0x01 #define PNP_RD_PORT_OFF 0x02 #define PNP_FUNCTION_OK 0x00 #define PNP_WAKE 0x03 #define PNP_RSRC_DATA 0x04 #define PNP_RSRC_READY 0x01 #define PNP_STATUS 0x05 #define PNP_ACTIVATE 0x30 #define PNP_CNF_IO_H 0x60 #define PNP_CNF_IO_L 0x61 #define PNP_CNF_INT 0x70 #define PNP_CNF_DMA 0x74 #define PNP_CNF_MEM 0x48 #define BIT0 1 #define BIT15 0x8000 #define CS_DUPLEX_AUTO 0 #define CS_DUPLEX_FULL 1 #define CS_DUPLEX_HALF 2 /* * It would appear that for pccards (well, the IBM EtherJet PCMCIA card) that * are connected to card bus bridges there's a problem. For reading the * value back you have to go into 8 bit mode. The Linux driver also uses * this trick. This may be a bug in the card and how it handles fast 16-bit * read after a write. */ #define HACK_FOR_CARDBUS_BRIDGE_PROBLEM #ifdef HACK_FOR_CARDBUS_BRIDGE_PROBLEM static __inline uint16_t cs_inw(struct cs_softc *sc, int off) { if (off & 1) device_printf(sc->dev, "BUG: inw to an odd address.\n"); return ((bus_read_1(sc->port_res, off)) | (bus_read_1(sc->port_res, off + 1) << 8)); } #else static __inline uint16_t cs_inw(struct cs_softc *sc, int off) { return (bus_read_2(sc->port_res, off)); } #endif static __inline void cs_outw(struct cs_softc *sc, int off, uint16_t val) { bus_write_2(sc->port_res, off, val); } static __inline uint16_t cs_readreg(struct cs_softc *sc, uint16_t port) { cs_outw(sc, ADD_PORT, port); return (cs_inw(sc, DATA_PORT)); } static __inline void cs_writereg(struct cs_softc *sc, uint16_t port, uint16_t val) { cs_outw(sc, ADD_PORT, port); cs_outw(sc, DATA_PORT, val); } static __inline void reset_chip(struct cs_softc *sc) { cs_writereg(sc, PP_SelfCTL, cs_readreg(sc, PP_SelfCTL) | POWER_ON_RESET); } #define cs_duplex_full(sc) \ (cs_writereg(sc, PP_AutoNegCTL, FORCE_FDX)) #define cs_duplex_half(sc) \ (cs_writereg(sc, PP_AutoNegCTL, NLP_ENABLE))