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/* $FreeBSD: release/9.1.0/sys/dev/ncv/ncr53c500reg.h 139749 2005-01-06 01:43:34Z imp $ */ /* $NecBSD: ncr53c500reg.h,v 1.5.14.1 2001/06/08 06:27:44 honda Exp $ */ /* $NetBSD$ */ /*- * [NetBSD for NEC PC-98 series] * Copyright (c) 1995, 1996, 1997, 1998 * NetBSD/pc98 porting staff. All rights reserved. * Copyright (c) 1995, 1996, 1997, 1998 * Naofumi HONDA. All rights reserved. * Copyright (c) 1995, 1996, 1997, 1998 * Kouichi Matsuda. 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, 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. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. */ #ifndef _NCR53C500REG_H_ #define _NCR53C500REG_H_ /* Control Register Set 0 */ #define NCVIOSZ 0x10 #define cr0_tclsb 0x00 /* RW - Transfer Count Low */ #define cr0_tcmsb 0x01 /* RW - Transfer Count Mid */ #define cr0_sfifo 0x02 /* RW - FIFO data */ #define cr0_cmd 0x03 /* RW - Command (2 deep) */ #define cr0_stat 0x04 /* RO - Status */ #define cr0_dstid 0x04 /* WO - Select/Reselect Bus ID */ #define cr0_istat 0x05 /* RO - Interrupt */ #define cr0_srtout 0x05 /* WO - Select/Reselect Timeout */ #define cr0_seq 0x06 /* RO - Sequence Step */ #define cr0_period 0x06 /* WO - Synch Transfer Period */ #define cr0_sffl 0x07 /* RO - FIFO FLags */ #define cr0_offs 0x07 /* WO - Synch Ofset */ #define cr0_cfg1 0x08 /* RW - Configuration #1 */ #define cr0_clk 0x09 /* WO - Clock Conversion Factor */ #define cr0_tst 0x0a /* WO - Test (Chip Test Only) */ #define cr0_cfg2 0x0b /* RW - Configuration #2 */ #define cr0_cfg3 0x0c /* RW - Configuration #3 */ #define cr0_cfg4 0x0d /* RW - Configuration #4 */ #define cr0_tchsb 0x0e /* RW - Transfer Count High */ #define cr0_fifo_bottom 0x0f /* WO - FIFO bottom */ /* Control Register Set 1 */ #define cr1_jumper 0x00 /* RW - Jumper Sense Port */ #define cr1_sram_ptr 0x01 /* RW - SRAM Address Pointer */ #define cr1_sram_data 0x02 /* RW - SRAM Data */ #define cr1_fdata 0x04 /* RW - PIO FIFO */ #define cr1_fstat 0x08 /* RW - PIO Status */ #define cr1_atacmd 0x09 /* RW - ATA Command/Status */ #define cr1_ataerr 0x0a /* RW - ATA Features/Error */ #define cr1_pflag 0x0b /* RW - PIO Flag Interrupt Enable */ #define cr1_cfg5 0x0d /* RW - Configuration #5 */ #define cr1_sig 0x0e /* RO - Signature */ #define cr1_cfg6 0x0f /* RW - Configuration #6 */ /* atacmd (MPS110 ONLY) */ #define ATACMD_POWDOWN 0x2d #define ATACMD_ENGAGE 0x24 /* cr0_sffl regster */ #define CR0_SFFLR_BMASK 0x1f /* scsi fifo byte mask */ /* cfg4 */ #define C4_ANE 0x04 /* cfg2 */ #define C2_SCSI2 0x08 /* SCSI-2 Enable */ #define C2_FE 0x40 /* Features Enable */ /* cfg1 */ #define C1_SLOW 0x80 /* Slow Cable Mode */ #define C1_SRR 0x40 /* SCSI Reset Rep Int Dis */ #define C1_PARENB 0x10 /* Enable Parity Check */ /* clk factor */ #define CLK_40M_F 0x00 #define CLK_25M_F 0x05 #define CLK_30M_F 0x06 #define CLK_35M_F 0x07 /* interrupt status register */ #define INTR_SBR 0x80 /* SCSI Bus Reset */ #define INTR_ILL 0x40 /* Illegal Command */ #define INTR_DIS 0x20 /* Disconnect */ #define INTR_BS 0x10 /* Bus Service */ #define INTR_FC 0x08 /* Function Complete */ #define INTR_RESEL 0x04 /* Reselected */ #define INTR_SELATN 0x02 /* Select with ATN */ #define INTR_SEL 0x01 /* Selected */ #define INTR_RESELECT (INTR_RESEL | INTR_FC) /* status register */ #define STAT_INT 0x80 /* Interrupt */ #define STAT_GE 0x40 /* Gross Error */ #define STAT_PE 0x20 /* Parity Error */ #define STAT_TC 0x10 /* Terminal Count */ /* phase bits */ #define IOI 0x01 #define CDI 0x02 #define MSGI 0x04 /* Information transfer phases */ #define DATA_OUT_PHASE (0) #define DATA_IN_PHASE (IOI) #define COMMAND_PHASE (CDI) #define STATUS_PHASE (CDI|IOI) #define MESSAGE_OUT_PHASE (MSGI|CDI) #define MESSAGE_IN_PHASE (MSGI|CDI|IOI) #define PHASE_MASK (MSGI|CDI|IOI) /* fifo status register */ #define FIFO_SMASK 0x1e #define FIFO_E 0x10 /* fifo empty */ #define FIFO_B 0x00 /* there exists any */ #define FIFO_1 0x08 /* 1/3 <= bytes < 2/3 */ #define FIFO_2 0x04 /* 2/3 <= bytes < full */ #define FIFO_F 0x02 /* full */ #define FIFO_EN 0x01 /* fifo direction */ #define FIFO_BRK 0x40 /* phase miss */ #define FIFO_F_SZ 128 #define FIFO_1_SZ 44 #define FIFO_2_SZ 84 /* pflags */ #define PFR_WRITE 0x01 /* Commands */ #define CMD_DMA 0x80 /* DMA Bit */ #define CMD_NOP 0x00 /* No Operation */ #define CMD_FLUSH 0x01 /* Flush FIFO */ #define CMD_RSTCHIP 0x02 /* Reset Chip */ #define CMD_RSTSCSI 0x03 /* Reset SCSI Bus */ #define CMD_RESEL 0x40 /* Reselect Sequence */ #define CMD_SELNATN 0x41 /* Select without ATN */ #define CMD_SELATN 0x42 /* Select with ATN */ #define CMD_SELATNS 0x43 /* Select with ATN & Stop */ #define CMD_ENSEL 0x44 /* Enable (Re)Selection */ #define CMD_DISSEL 0x45 /* Disable (Re)Selection */ #define CMD_SELATN3 0x46 /* Select with ATN3 */ #define CMD_RESEL3 0x47 /* Reselect3 Sequence */ #define CMD_SNDMSG 0x20 /* Send Message */ #define CMD_SNDSTAT 0x21 /* Send Status */ #define CMD_SNDDATA 0x22 /* Send Data */ #define CMD_DISCSEQ 0x23 /* Disconnect Sequence */ #define CMD_TERMSEQ 0x24 /* Terminate Sequence */ #define CMD_TCCS 0x25 /* Target Command Comp Seq */ #define CMD_DISC 0x27 /* Disconnect */ #define CMD_RECMSG 0x28 /* Receive Message */ #define CMD_RECCMD 0x29 /* Receive Command */ #define CMD_RECDATA 0x2a /* Receive Data */ #define CMD_RECCSEQ 0x2b /* Receive Command Sequence */ #define CMD_ABORT 0x04 /* Target Abort DMA */ #define CMD_TRANS 0x10 /* Transfer Information */ #define CMD_ICCS 0x11 /* Initiator Cmd Comp Seq */ #define CMD_MSGOK 0x12 /* Message Accepted */ #define CMD_TRPAD 0x18 /* Transfer Pad */ #define CMD_SETATN 0x1a /* Set ATN */ #define CMD_RSTATN 0x1b /* Reset ATN */ /* Default timeout */ #define SEL_TOUT 0xa3 #endif /* !_NCR53C500REG_H_ */