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Diffstat (limited to 'sys/dev/sbus/bppreg.h')
-rw-r--r-- | sys/dev/sbus/bppreg.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/sys/dev/sbus/bppreg.h b/sys/dev/sbus/bppreg.h new file mode 100644 index 00000000000..99dd0e58e1e --- /dev/null +++ b/sys/dev/sbus/bppreg.h @@ -0,0 +1,100 @@ +/* $OpenBSD: bppreg.h,v 1.1 2007/02/28 18:48:35 miod Exp $ */ +/* $NetBSD: bppreg.h,v 1.1 1998/09/21 21:20:48 pk Exp $ */ + +/*- + * Copyright (c) 1998 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Paul Kranenburg. + * + * 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 NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. + */ + +/* Hardware Configuration Register */ +#define BPP_HCR_DSS_MASK 0x003f /* Data before strobe */ +#define BPP_HCR_DSS_SHFT 0 /* (in Sbus clocks)*/ +#define BPP_HCR_DSW_MASK 0x7f00 /* Data Strobe Width */ +#define BPP_HCR_DSW_SHFT 8 /* (in Sbus clocks)*/ +#define BPP_HCR_TEST 0x8000 /* */ + + +/* Operation Configuration Register */ +#define BPP_OCR_IDLE 0x0008 /* State machines are idle */ +#define BPP_OCR_SRST 0x0080 /* Reset bit */ +#define BPP_OCR_ACK_OP 0x0100 /* ACK handshake operation */ +#define BPP_OCR_BUSY_OP 0x0200 /* BUSY handshake operation */ +#define BPP_OCR_EN_DIAG 0x0400 /* */ +#define BPP_OCR_ACK_DSEL 0x0800 /* ack line is bidirectional */ +#define BPP_OCR_BUSY_DSEL 0x1000 /* busy line is bidirectional */ +#define BPP_OCR_DS_DSEL 0x2000 /* data strobe line is bidirectional */ +#define BPP_OCR_DATA_SRC 0x4000 /* Data source for `memory clear' */ +#define BPP_OCR_MEM_SRC 0x8000 /* Enable `memory clear' */ + +/* Transfer Control Register */ +#define BPP_TCR_DS 0x01 /* Data Strobe */ +#define BPP_TCR_ACK 0x02 /* Acknowledge */ +#define BPP_TCR_BUSY 0x04 /* Busy */ +#define BPP_TCR_DIR 0x08 /* Direction control */ + +/* Output Register */ +#define BPP_OR_SLCTIN 0x01 /* Select */ +#define BPP_OR_AFXN 0x02 /* Auto Feed */ +#define BPP_OR_INIT 0x04 /* Initialize */ + +/* Input Register (read-only) */ +#define BPP_IR_ERR 0x01 /* Err input pin */ +#define BPP_IR_SLCT 0x02 /* Select input pin */ +#define BPP_IR_PE 0x04 /* Paper Out input pin */ + +/* Interrupt Control Register */ +#define BPP_ERR_IRQ_EN 0x0001 /* Error interrupt enable */ +#define BPP_ERR_IRP 0x0002 /* ERR interrupt polarity */ +#define BPP_SLCT_IRQ_EN 0x0004 /* Select interrupt enable */ +#define BPP_SLCT_IRP 0x0008 /* Select interrupt polarity */ +#define BPP_PE_IRQ_EN 0x0010 /* Paper Empty interrupt enable */ +#define BPP_PE_IRP 0x0020 /* PE interrupt polarity */ +#define BPP_BUSY_IRQ_EN 0x0040 /* BUSY interrupt enable */ +#define BPP_BUSY_IRP 0x0080 /* BUSY interrupt polarity */ +#define BPP_ACK_IRQ_EN 0x0100 /* ACK interrupt enable */ +#define BPP_DS_IRQ_EN 0x0200 /* Data Strobe interrupt enable */ +#define BPP_ERR_IRQ 0x0400 /* ERR interrupt pending */ +#define BPP_SLCT_IRQ 0x0800 /* SLCT interrupt pending */ +#define BPP_PE_IRQ 0x1000 /* PE interrupt pending */ +#define BPP_BUSY_IRQ 0x2000 /* BUSY interrupt pending */ +#define BPP_ACK_IRQ 0x4000 /* ACK interrupt pending */ +#define BPP_DS_IRQ 0x8000 /* DS interrupt pending */ + +/* Define mask for each of all irq request, all polarity and all enable bits */ +#define BPP_ALLIRQ (BPP_ERR_IRQ|BPP_SLCT_IRQ|BPP_PE_IRQ| \ + BPP_BUSY_IRQ|BPP_ACK_IRQ|BPP_DS_IRQ) +#define BPP_ALLEN (BPP_ERR_IRQ_EN|BPP_SLCT_IRQ_EN| \ + BPP_PE_IRQ_EN|BPP_BUSY_IRQ_EN| \ + BPP_ACK_IRQ_EN|BPP_DS_IRQ_EN) +#define BPP_ALLIRP (BPP_ERR_IRP|BPP_PE_IRP|BPP_BUSY_IRP) |