/* $OpenBSD: cd1190reg.h,v 1.3 2003/10/21 18:58:49 jmc Exp $ */ /* * Copyright (c) 1998 Iain Hibbert. * 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 Iain Hibbert may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY ``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 I 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. */ /* * Definitions for Cirrus Logic CD1190 parallel chips. */ /* ACK Width Register */ #define CD1190_AWR 0x03 /* Controller Command Register */ #define CD1190_CCR 0x0b #define CD1190_CCR_CGC (1<<7) /* Change Global Config Command */ #define CD1190_CCR_CGC_RESET (1<<0) /* CGC Reset Command */ #define CD1190_CCR_PAR (1<<6) /* Parallel Command */ #define CD1190_CCR_PAR_DISABLE (1<<2) /* PAR Parallel Disable */ #define CD1190_CCR_PAR_FLUSH (1<<1) /* PAR Flush FIFO */ #define CD1190_CCR_PAR_ENABLE (1<<0) /* PAR Parallel Enable */ #define CD1190_CCR_SIG (1<<5) /* Signal Command */ #define CD1190_CCR_SIG_SET_BUSY (1<<2) /* SIG Set Busy Output */ #define CD1190_CCR_SIG_ACK (1<<1) /* SIG Pulse ACK Output */ #define CD1190_CCR_SIG_CLR_BUSY (1<<0) /* SIG Clear Busy Output */ #define CD1190_CCR_TIM (1<<4) /* Timer Command */ #define CD1190_CCR_TIM_ENABLE (1<<3) /* Timer Enabled */ /* Data Time-0ut Register */ #define CD1190_DTR 0x09 /* End Of Service Request Register */ #define CD1190_ESR 0x10 /* FIFO Count Register */ #define CD1190_FCR 0x0e /* FIFO Data Register */ #define CD1190_FDR 0x12 /* Firmware Revision Register */ #define CD1190_FRR 0x0f /* FIFO Threshold Register */ #define CD1190_FTR 0x08 /* Global Config Register */ #define CD1190_GCR 0x0a #define CD1190_GCR_NOACK (1<<2) /* NO-ACK handshaking */ #define CD1190_GCR_MODE (1<<1) /* Peripheral/Controller Mode */ #define CD1190_GCR_DIR (1<<0) /* Input/Output Direction */ /* defines for variable CD1190_IO */ #define CD1190_CO 0x00 #define CD1190_CI 0x01 #define CD1190_PO 0x02 #define CD1190_PI 0x03 /* Interrupt Config Register */ #define CD1190_ICR 0x01 #define CD1190_ICR_ENABLE (1<<7) /* Enable Interrupts */ #define CD1190_ICR_ACK (1<<3) /* Enable: Unsolicited ACK */ #define CD1190_ICR_FIFO (1<<2) /* Enable: FIFO Thresh/Time */ #define CD1190_ICR_SIGNAL (1<<1) /* Enable: Signal Status */ #define CD1190_ICR_TIMER (1<<0) /* Enable: Timer Expired */ /* Interrupt Status Register */ #define CD1190_ISR 0x0c #define CD1190_ISR_INTERRUPT (1<<7) /* Interrupt Has Occurred */ #define CD1190_ISR_ACK (1<<3) /* Unsolicited ACK */ #define CD1190_ISR_FIFO (1<<2) /* FIFO Thresh/Time */ #define CD1190_ISR_SIGNAL (1<<1) /* Signal Status */ #define CD1190_ISR_TIMER (1<<0) /* Timer Expired */ /* Interrupt Vector Register */ #define CD1190_IVR 0x00 /* Parallel Status Register */ #define CD1190_PSR 0x1c #define CD1190_PSR_ENP (1<<7) /* Parallel Enabled */ #define CD1190_PSR_BUSY (1<<6) /* Parallel Busy */ #define CD1190_PSR_ACK (1<<5) /* Parallel Acknowledge */ #define CD1190_PSR_STATUS (CD1190_PSR_ENP | CD1190_PSR_BUSY) #define CD1190_PSR_NORMAL CD1190_PSR_ENP /* Signal Control Register */ #define CD1190_SCR 0x1e #define CD1190_SCR_WRRD (1<<7) /* Read Only: Write/Read */ #define CD1190_SCR_IP3 (1<<6) /* Read Only: Input Line 3 */ #define CD1190_SCR_IP2 (1<<5) /* Read Only: Input Line 2 */ #define CD1190_SCR_IP1 (1<<4) /* Read Only: Input Line 1 */ #define CD1190_SCR_WR_WRRD (1<<3) /* Write/Read */ #define CD1190_SCR_OP3 (1<<2) /* Output Line 3 */ #define CD1190_SCR_OP2 (1<<1) /* Output Line 2 */ #define CD1190_SCR_OP1 (1<<0) /* Output Line 1 */ /* Input signals * * IP3 - *ERROR * IP2 - PAPER EMPTY / FAULT * IP1 - SELECT * WRRD - AFD * OP3 - SLIN * OP2 - *INIT / *RESET * OP1 - N/A */ #define CD1190_SCR_NOERROR CD1190_SCR_IP3 /* Printer Error (active low) */ #define CD1190_SCR_PE CD1190_SCR_IP2 /* Paper Empty */ #define CD1190_SCR_SELECT CD1190_SCR_IP1 /* Printer Select */ #define CD1190_SCR_STATUS (CD1190_SCR_IP3 | CD1190_SCR_IP2 | CD1190_SCR_IP1) /* Outout signals - Active High? * * IP3 - SLIN * IP2 - *INIT / *RESET * IP1 - N/A * WRRD - AFD * OP3 - *ERROR * OP2 - SELECT * OP1 - PAPER EMPTY / FAULT */ #define CD1190_SCR_RESET CD1190_SCR_OP2 #define CD1190_SCR_SEL_IN CD1190_SCR_OP3 /* Specification Register ZEROes */ #define CD1190_SR0 0x06 #define CD1190_SR0_WRRD (1<<7) /* WR/RD 1 to 0 Change */ #define CD1190_SR0_IP3 (1<<6) /* IP3 1 to 0 Change */ #define CD1190_SR0_IP2 (1<<5) /* IP2 1 to 0 Change */ #define CD1190_SR0_IP1 (1<<4) /* IP1 1 to 0 Change */ /* Specification Register ONEs */ #define CD1190_SR1 0x07 #define CD1190_SR1_WRRD (1<<7) /* WR/RD 0 to 1 Change */ #define CD1190_SR1_IP3 (1<<6) /* IP3 0 to 1 Change */ #define CD1190_SR1_IP2 (1<<5) /* IP2 0 to 1 Change */ #define CD1190_SR1_IP1 (1<<4) /* IP1 0 to 1 Change */ /* Signal Status Register */ #define CD1190_SSR 0x0d #define CD1190_SSR_WRRD (1<<7) /* WR/RD Change */ #define CD1190_SSR_IP3 (1<<6) /* IP3 Change */ #define CD1190_SSR_IP2 (1<<5) /* IP2 Change */ #define CD1190_SSR_IP1 (1<<4) /* IP1 Change */ /* Strobe Width Register */ #define CD1190_SWR 0x02 /* Timer Multipler Register */ #define CD1190_TMR 0x05 /* Timer Prescale Register */ #define CD1190_TPR 0x04