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Diffstat (limited to 'sys/arch/vax/uba/dzreg.h')
| -rw-r--r-- | sys/arch/vax/uba/dzreg.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/sys/arch/vax/uba/dzreg.h b/sys/arch/vax/uba/dzreg.h new file mode 100644 index 00000000000..c347cc6105d --- /dev/null +++ b/sys/arch/vax/uba/dzreg.h @@ -0,0 +1,116 @@ +/* $NetBSD: dzreg.h,v 1.1 1996/04/08 17:22:21 ragge Exp $ */ +/* + * Copyright (c) 1996 Ken C. Wellsch. 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + */ + +union w_b +{ + u_short word; + struct { + u_char byte_lo; + u_char byte_hi; + } bytes; +}; + +struct DZregs +{ + volatile u_short dz_csr; /* Control/Status Register (R/W) */ + volatile u_short dz_rbuf; /* Receive Buffer (R only) */ +#define dz_lpr dz_rbuf /* Line Parameter Register (W only) */ + volatile union w_b u_tcr; /* Transmit Control Register (R/W) */ + volatile union w_b u_msr; /* Modem Status Register (R only) */ +#define u_tdr u_msr /* Transmit Data Register (W only) */ +}; + +#define dz_tcr u_tcr.bytes.byte_lo /* tx enable bits */ +#define dz_dtr u_tcr.bytes.byte_hi /* DTR status bits */ +#define dz_ring u_msr.bytes.byte_lo /* RI status bits */ +#define dz_dcd u_msr.bytes.byte_hi /* DCD status bits */ +#define dz_tbuf u_tdr.bytes.byte_lo /* transmit character */ +#define dz_break u_tdr.bytes.byte_hi /* BREAK set/clr bits */ + +typedef struct DZregs dzregs; + +/* CSR bits */ + +#define DZ_CSR_TX_READY 0100000 /* Transmitter Ready */ +#define DZ_CSR_TXIE 0040000 /* Transmitter Interrupt Enable */ +#define DZ_CSR_SA 0020000 /* Silo Alarm */ +#define DZ_CSR_SAE 0010000 /* Silo Alarm Enable */ +#define DZ_CSR_TX_LINE_MASK 0007400 /* Which TX line */ + +#define DZ_CSR_RX_DONE 0000200 /* Receiver Done */ +#define DZ_CSR_RXIE 0000100 /* Receiver Interrupt Enable */ +#define DZ_CSR_MSE 0000040 /* Master Scan Enable */ +#define DZ_CSR_RESET 0000020 /* Clear (reset) Controller */ +#define DZ_CSR_MAINTENANCE 0000010 +#define DZ_CSR_UNUSED 0000007 + +/* RBUF bits */ + +#define DZ_RBUF_DATA_VALID 0100000 +#define DZ_RBUF_OVERRUN_ERR 0040000 +#define DZ_RBUF_FRAMING_ERR 0020000 +#define DZ_RBUF_PARITY_ERR 0010000 +#define DZ_RBUF_RX_LINE_MASK 0007400 + +/* LPR bits */ + +#define DZ_LPR_UNUSED 0160000 +#define DZ_LPR_RX_ENABLE 0010000 + +#define DZ_LPR_B50 0x0 +#define DZ_LPR_B75 0x1 +#define DZ_LPR_B110 0x2 +#define DZ_LPR_B134 0x3 +#define DZ_LPR_B150 0x4 +#define DZ_LPR_B300 0x5 +#define DZ_LPR_B600 0x6 +#define DZ_LPR_B1200 0x7 +#define DZ_LPR_B1800 0x8 +#define DZ_LPR_B2000 0x9 +#define DZ_LPR_B2400 0xA +#define DZ_LPR_B3600 0xB +#define DZ_LPR_B4800 0xC +#define DZ_LPR_B7200 0xD +#define DZ_LPR_B9600 0xE +#define DZ_LPR_ILLEGAL 0xF + +#define DZ_LPR_OPAR 0000200 +#define DZ_LPR_PARENB 0000100 +#define DZ_LPR_2_STOP 0000040 + +#define DZ_LPR_5_BIT_CHAR 0000000 +#define DZ_LPR_6_BIT_CHAR 0000010 +#define DZ_LPR_7_BIT_CHAR 0000020 +#define DZ_LPR_8_BIT_CHAR 0000030 + +#define DZ_LPR_CHANNEL_MASK 0000007 |