These files are no longer needed as the MI com and lpt drivers in dev/ic
are now used.
This commit is contained in:
mark
parent
949982f2a4
commit
b9474fb561
File diff suppressed because it is too large
Load Diff
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@ -1,125 +0,0 @@
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|||
/* $NetBSD: comreg.h,v 1.3 1997/10/14 19:00:39 mark Exp $ */
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/*-
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||||
* Copyright (c) 1991 The Regents of the University of California.
|
||||
* 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.
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||||
*
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* @(#)comreg.h 7.2 (Berkeley) 5/9/91
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* from: comreg.h,v 1.9 1996/09/06 05:06:01 mycroft Exp
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*/
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#include <dev/ic/ns16550reg.h>
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#define COM_FREQ 1843200 /* 16-bit baud rate divisor */
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#define COM_TOLERANCE 30 /* baud rate tolerance, in 0.1% units */
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/* interrupt enable register */
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#define IER_ERXRDY 0x1 /* Enable receiver interrupt */
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#define IER_ETXRDY 0x2 /* Enable transmitter empty interrupt */
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#define IER_ERLS 0x4 /* Enable line status interrupt */
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#define IER_EMSC 0x8 /* Enable modem status interrupt */
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/* interrupt identification register */
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#define IIR_IMASK 0xf
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#define IIR_RXTOUT 0xc
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#define IIR_RLS 0x6 /* Line status change */
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#define IIR_RXRDY 0x4 /* Receiver ready */
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#define IIR_TXRDY 0x2 /* Transmitter ready */
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#define IIR_MLSC 0x0 /* Modem status */
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#define IIR_NOPEND 0x1 /* No pending interrupts */
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#define IIR_FIFO_MASK 0xc0 /* set if FIFOs are enabled */
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/* fifo control register */
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#define FIFO_ENABLE 0x01 /* Turn the FIFO on */
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#define FIFO_RCV_RST 0x02 /* Reset RX FIFO */
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#define FIFO_XMT_RST 0x04 /* Reset TX FIFO */
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#define FIFO_DMA_MODE 0x08
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#define FIFO_TRIGGER_1 0x00 /* Trigger RXRDY intr on 1 character */
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#define FIFO_TRIGGER_4 0x40 /* ibid 4 */
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#define FIFO_TRIGGER_8 0x80 /* ibid 8 */
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#define FIFO_TRIGGER_14 0xc0 /* ibid 14 */
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/* line control register */
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#define LCR_DLAB 0x80 /* Divisor latch access enable */
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#define LCR_SBREAK 0x40 /* Break Control */
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#define LCR_PZERO 0x38 /* Space parity */
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#define LCR_PONE 0x28 /* Mark parity */
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#define LCR_PEVEN 0x18 /* Even parity */
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#define LCR_PODD 0x08 /* Odd parity */
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#define LCR_PNONE 0x00 /* No parity */
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#define LCR_PENAB 0x08 /* XXX - low order bit of all parity */
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#define LCR_STOPB 0x04 /* 2 stop bits per serial word */
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#define LCR_8BITS 0x03 /* 8 bits per serial word */
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#define LCR_7BITS 0x02 /* 7 bits */
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#define LCR_6BITS 0x01 /* 6 bits */
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#define LCR_5BITS 0x00 /* 5 bits */
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/* modem control register */
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#define MCR_LOOPBACK 0x10 /* Loop test: echos from TX to RX */
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#define MCR_IENABLE 0x08 /* Out2: enables UART interrupts */
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#define MCR_DRS 0x04 /* Out1: resets some internal modems */
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#define MCR_RTS 0x02 /* Request To Send */
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#define MCR_DTR 0x01 /* Data Terminal Ready */
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/* line status register */
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#define LSR_RCV_FIFO 0x80
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#define LSR_TSRE 0x40 /* Transmitter empty: byte sent */
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#define LSR_TXRDY 0x20 /* Transmitter buffer empty */
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#define LSR_BI 0x10 /* Break detected */
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#define LSR_FE 0x08 /* Framing error: bad stop bit */
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#define LSR_PE 0x04 /* Parity error */
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#define LSR_OE 0x02 /* Overrun, lost incoming byte */
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#define LSR_RXRDY 0x01 /* Byte ready in Receive Buffer */
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#define LSR_RCV_MASK 0x1f /* Mask for incoming data or error */
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/* modem status register */
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/* All deltas are from the last read of the MSR. */
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#define MSR_DCD 0x80 /* Current Data Carrier Detect */
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#define MSR_RI 0x40 /* Current Ring Indicator */
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#define MSR_DSR 0x20 /* Current Data Set Ready */
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#define MSR_CTS 0x10 /* Current Clear to Send */
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#define MSR_DDCD 0x08 /* DCD has changed state */
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#define MSR_TERI 0x04 /* RI has toggled low to high */
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#define MSR_DDSR 0x02 /* DSR has changed state */
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#define MSR_DCTS 0x01 /* CTS has changed state */
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#define COM_NPORTS 8
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/*
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* WARNING: Serial console is assumed to be at COM1 address
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* and CONUNIT must be 0.
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*/
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#ifndef CONADDR
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#define CONADDR (0x3f8)
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#endif
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#ifndef CONUNIT
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#define CONUNIT (0)
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#endif
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@ -1,103 +0,0 @@
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/* $NetBSD: comvar.h,v 1.3 1997/10/14 19:00:39 mark Exp $ */
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/*
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* Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
|
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*
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* 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 Christopher G. Demetriou
|
||||
* for the NetBSD Project.
|
||||
* 4. 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.
|
||||
*
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||||
* from: comvar.h,v 1.6 1996/10/21 22:40:34 thorpej Exp
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*/
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extern int comconsaddr;
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extern int comconsattached;
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extern bus_space_tag_t comconstag;
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extern bus_space_handle_t comconsioh;
|
||||
extern tcflag_t comconscflag;
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/* Hardware flag masks */
|
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#define COM_HW_NOIEN 0x01
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#define COM_HW_FIFO 0x02
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#define COM_HW_HAYESP 0x04
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#define COM_HW_CONSOLE 0x40
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|
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/* Buffer size for character buffer */
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#define RXBUFSIZE 2048 /* More than enough.. */
|
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#define RXBUFMASK (RXBUFSIZE-1) /* Only iff previous is a power of 2 */
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||||
#define RXHIWAT (RXBUFSIZE >> 2)
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||||
|
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struct com_softc {
|
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struct device sc_dev;
|
||||
void *sc_ih;
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||||
struct tty *sc_tty;
|
||||
|
||||
int sc_overflows;
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||||
int sc_floods;
|
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int sc_errors;
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|
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int sc_iobase;
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bus_space_tag_t sc_iot;
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bus_space_handle_t sc_ioh;
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bus_space_handle_t sc_hayespioh;
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u_char sc_hwflags;
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u_char sc_swflags;
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int sc_fifolen;
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u_char sc_msr, sc_msr_delta, sc_msr_mask, sc_mcr, sc_mcr_active, sc_lcr,
|
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sc_ier, sc_fifo, sc_dlbl, sc_dlbh;
|
||||
u_char sc_mcr_dtr, sc_mcr_rts, sc_msr_cts, sc_msr_dcd;
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int sc_r_hiwat;
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volatile u_int sc_rbget;
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volatile u_int sc_rbput;
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volatile u_int sc_rbavail;
|
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u_char sc_rbuf[RXBUFSIZE];
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u_char sc_lbuf[RXBUFSIZE];
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u_char *sc_tba;
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int sc_tbc,
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sc_heldtbc;
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volatile u_char sc_rx_blocked,
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sc_tx_busy,
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sc_tx_done,
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sc_tx_stopped,
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sc_st_check,
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sc_rx_ready;
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volatile u_char sc_heldchange;
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};
|
||||
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||||
/* Macros to clear/set/test flags. */
|
||||
#define SET(t, f) (t) |= (f)
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#define CLR(t, f) (t) &= ~(f)
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||||
#define ISSET(t, f) ((t) & (f))
|
||||
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int comprobe1 __P((bus_space_tag_t, bus_space_handle_t, int));
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||||
int comintr __P((void *));
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||||
void com_attach_subr __P((struct com_softc *));
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||||
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@ -1,503 +0,0 @@
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/* $NetBSD: lpt.c,v 1.16 1997/10/14 19:04:08 mark Exp $ */
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||||
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||||
/*
|
||||
* Copyright (c) 1993, 1994 Charles Hannum.
|
||||
* Copyright (c) 1990 William F. Jolitz, TeleMuse
|
||||
* 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 software is a component of "386BSD" developed by
|
||||
* William F. Jolitz, TeleMuse.
|
||||
* 4. Neither the name of the developer nor the name "386BSD"
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS A COMPONENT OF 386BSD DEVELOPED BY WILLIAM F. JOLITZ
|
||||
* AND IS INTENDED FOR RESEARCH AND EDUCATIONAL PURPOSES ONLY. THIS
|
||||
* SOFTWARE SHOULD NOT BE CONSIDERED TO BE A COMMERCIAL PRODUCT.
|
||||
* THE DEVELOPER URGES THAT USERS WHO REQUIRE A COMMERCIAL PRODUCT
|
||||
* NOT MAKE USE OF THIS WORK.
|
||||
*
|
||||
* FOR USERS WHO WISH TO UNDERSTAND THE 386BSD SYSTEM DEVELOPED
|
||||
* BY WILLIAM F. JOLITZ, WE RECOMMEND THE USER STUDY WRITTEN
|
||||
* REFERENCES SUCH AS THE "PORTING UNIX TO THE 386" SERIES
|
||||
* (BEGINNING JANUARY 1991 "DR. DOBBS JOURNAL", USA AND BEGINNING
|
||||
* JUNE 1991 "UNIX MAGAZIN", GERMANY) BY WILLIAM F. JOLITZ AND
|
||||
* LYNNE GREER JOLITZ, AS WELL AS OTHER BOOKS ON UNIX AND THE
|
||||
* ON-LINE 386BSD USER MANUAL BEFORE USE. A BOOK DISCUSSING THE INTERNALS
|
||||
* OF 386BSD ENTITLED "386BSD FROM THE INSIDE OUT" WILL BE AVAILABLE LATE 1992.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPER ``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 DEVELOPER 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.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Device Driver for AT parallel printer port
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/proc.h>
|
||||
#include <sys/user.h>
|
||||
#include <sys/buf.h>
|
||||
#include <sys/kernel.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <sys/uio.h>
|
||||
#include <sys/device.h>
|
||||
#include <sys/conf.h>
|
||||
#include <sys/syslog.h>
|
||||
#include <machine/bus.h>
|
||||
#include <arm32/dev/lptreg.h>
|
||||
#include <arm32/dev/lptvar.h>
|
||||
|
||||
#define TIMEOUT hz*16 /* wait up to 16 seconds for a ready */
|
||||
#define STEP hz/4
|
||||
|
||||
#define LPTPRI (PZERO+8)
|
||||
#define LPT_BSIZE 1024
|
||||
|
||||
#if !defined(DEBUG) || !defined(notdef)
|
||||
#define LPRINTF(a)
|
||||
#else
|
||||
#define LPRINTF if (lptdebug) printf a
|
||||
int lptdebug = 1;
|
||||
#endif
|
||||
|
||||
/* XXX does not belong here */
|
||||
cdev_decl(lpt);
|
||||
|
||||
struct cfdriver lpt_cd = {
|
||||
NULL, "lpt", DV_TTY
|
||||
};
|
||||
|
||||
#define LPTUNIT(s) (minor(s) & 0x1f)
|
||||
#define LPTFLAGS(s) (minor(s) & 0xe0)
|
||||
|
||||
#define LPS_INVERT (LPS_SELECT|LPS_NERR|LPS_NBSY|LPS_NACK)
|
||||
#define LPS_MASK (LPS_SELECT|LPS_NERR|LPS_NBSY|LPS_NACK|LPS_NOPAPER)
|
||||
#define NOT_READY() ((bus_space_read_1(iot, ioh, lpt_status) ^ LPS_INVERT) & LPS_MASK)
|
||||
#define NOT_READY_ERR() not_ready(bus_space_read_1(iot, ioh, lpt_status), sc)
|
||||
static int not_ready __P((u_char, struct lpt_softc *));
|
||||
|
||||
static void lptwakeup __P((void *arg));
|
||||
static int pushbytes __P((struct lpt_softc *));
|
||||
|
||||
int lpt_port_test __P((bus_space_tag_t, bus_space_handle_t, bus_addr_t,
|
||||
bus_size_t, u_char, u_char));
|
||||
|
||||
/*
|
||||
* Internal routine to lptprobe to do port tests of one byte value.
|
||||
*/
|
||||
int
|
||||
lpt_port_test(iot, ioh, base, off, data, mask)
|
||||
bus_space_tag_t iot;
|
||||
bus_space_handle_t ioh;
|
||||
bus_addr_t base;
|
||||
bus_size_t off;
|
||||
u_char data, mask;
|
||||
{
|
||||
int timeout;
|
||||
u_char temp;
|
||||
|
||||
data &= mask;
|
||||
bus_space_write_1(iot, ioh, off, data);
|
||||
timeout = 1000;
|
||||
do {
|
||||
delay(10);
|
||||
temp = bus_space_read_1(iot, ioh, off) & mask;
|
||||
} while (temp != data && --timeout);
|
||||
LPRINTF(("lpt: port=0x%x out=0x%x in=0x%x timeout=%d\n", base + off,
|
||||
data, temp, timeout));
|
||||
return (temp == data);
|
||||
}
|
||||
|
||||
/*
|
||||
* Logic:
|
||||
* 1) You should be able to write to and read back the same value
|
||||
* to the data port. Do an alternating zeros, alternating ones,
|
||||
* walking zero, and walking one test to check for stuck bits.
|
||||
*
|
||||
* 2) You should be able to write to and read back the same value
|
||||
* to the control port lower 5 bits, the upper 3 bits are reserved
|
||||
* per the IBM PC technical reference manauls and different boards
|
||||
* do different things with them. Do an alternating zeros, alternating
|
||||
* ones, walking zero, and walking one test to check for stuck bits.
|
||||
*
|
||||
* Some printers drag the strobe line down when the are powered off
|
||||
* so this bit has been masked out of the control port test.
|
||||
*
|
||||
* XXX Some printers may not like a fast pulse on init or strobe, I
|
||||
* don't know at this point, if that becomes a problem these bits
|
||||
* should be turned off in the mask byte for the control port test.
|
||||
*
|
||||
* 3) Set the data and control ports to a value of 0
|
||||
*/
|
||||
int
|
||||
lptprobe(iot, iobase)
|
||||
bus_space_tag_t iot;
|
||||
u_int iobase;
|
||||
{
|
||||
bus_space_handle_t ioh;
|
||||
u_char mask, data;
|
||||
int i, rv;
|
||||
#ifdef DEBUG
|
||||
#define ABORT do {printf("lptprobe: mask %x data %x failed\n", mask, data); \
|
||||
goto out;} while (0)
|
||||
#else
|
||||
#define ABORT goto out
|
||||
#endif
|
||||
|
||||
if (bus_space_map(iot, iobase, LPT_NPORTS, 0, &ioh))
|
||||
return 0;
|
||||
rv = 0;
|
||||
mask = 0xff;
|
||||
|
||||
data = 0x55; /* Alternating zeros */
|
||||
if (!lpt_port_test(iot, ioh, iobase, lpt_data, data, mask))
|
||||
ABORT;
|
||||
|
||||
data = 0xaa; /* Alternating ones */
|
||||
if (!lpt_port_test(iot, ioh, iobase, lpt_data, data, mask))
|
||||
ABORT;
|
||||
|
||||
for (i = 0; i < CHAR_BIT; i++) { /* Walking zero */
|
||||
data = ~(1 << i);
|
||||
if (!lpt_port_test(iot, ioh, iobase, lpt_data, data, mask))
|
||||
ABORT;
|
||||
}
|
||||
|
||||
for (i = 0; i < CHAR_BIT; i++) { /* Walking one */
|
||||
data = (1 << i);
|
||||
if (!lpt_port_test(iot, ioh, iobase, lpt_data, data, mask))
|
||||
ABORT;
|
||||
}
|
||||
|
||||
bus_space_write_1(iot, ioh, lpt_data, 0);
|
||||
bus_space_write_1(iot, ioh, lpt_control, 0);
|
||||
|
||||
rv = LPT_NPORTS;
|
||||
|
||||
out:
|
||||
bus_space_unmap(iot, ioh, LPT_NPORTS);
|
||||
return rv;
|
||||
}
|
||||
|
||||
/*
|
||||
* Reset the printer, then wait until it's selected and not busy.
|
||||
*/
|
||||
int
|
||||
lptopen(dev, flag, mode, p)
|
||||
dev_t dev;
|
||||
int flag;
|
||||
int mode;
|
||||
struct proc *p;
|
||||
{
|
||||
int unit = LPTUNIT(dev);
|
||||
u_char flags = LPTFLAGS(dev);
|
||||
struct lpt_softc *sc;
|
||||
bus_space_tag_t iot;
|
||||
bus_space_handle_t ioh;
|
||||
u_char control;
|
||||
int error;
|
||||
int spin;
|
||||
|
||||
if (unit >= lpt_cd.cd_ndevs)
|
||||
return ENXIO;
|
||||
sc = lpt_cd.cd_devs[unit];
|
||||
if (!sc)
|
||||
return ENXIO;
|
||||
|
||||
if (sc->sc_irq == LPT_NOIRQ && (flags & LPT_NOINTR) == 0)
|
||||
return ENXIO;
|
||||
|
||||
#ifdef DIAGNOSTIC
|
||||
if (sc->sc_state)
|
||||
printf("%s: stat=0x%x not zero\n", sc->sc_dev.dv_xname,
|
||||
sc->sc_state);
|
||||
#endif
|
||||
|
||||
if (sc->sc_state)
|
||||
return EBUSY;
|
||||
|
||||
sc->sc_state = LPT_INIT;
|
||||
sc->sc_flags = flags;
|
||||
LPRINTF(("%s: open: flags=0x%x\n", sc->sc_dev.dv_xname, flags));
|
||||
iot = sc->sc_iot;
|
||||
ioh = sc->sc_ioh;
|
||||
|
||||
if ((flags & LPT_NOPRIME) == 0) {
|
||||
/* assert INIT for 100 usec to start up printer */
|
||||
bus_space_write_1(iot, ioh, lpt_control, LPC_SELECT);
|
||||
delay(100);
|
||||
}
|
||||
|
||||
control = LPC_SELECT | LPC_NINIT;
|
||||
bus_space_write_1(iot, ioh, lpt_control, control);
|
||||
|
||||
/* wait till ready (printer running diagnostics) */
|
||||
for (spin = 0; NOT_READY_ERR(); spin += STEP) {
|
||||
if (spin >= TIMEOUT) {
|
||||
sc->sc_state = 0;
|
||||
return EBUSY;
|
||||
}
|
||||
|
||||
/* wait 1/4 second, give up if we get a signal */
|
||||
error = tsleep((caddr_t)sc, LPTPRI | PCATCH, "lptopen", STEP);
|
||||
if (error != EWOULDBLOCK) {
|
||||
sc->sc_state = 0;
|
||||
return error;
|
||||
}
|
||||
}
|
||||
|
||||
if ((flags & LPT_NOINTR) == 0)
|
||||
control |= LPC_IENABLE;
|
||||
if (flags & LPT_AUTOLF)
|
||||
control |= LPC_AUTOLF;
|
||||
sc->sc_control = control;
|
||||
bus_space_write_1(iot, ioh, lpt_control, control);
|
||||
|
||||
sc->sc_inbuf = geteblk(LPT_BSIZE);
|
||||
sc->sc_count = 0;
|
||||
sc->sc_state = LPT_OPEN;
|
||||
|
||||
if ((sc->sc_flags & LPT_NOINTR) == 0)
|
||||
lptwakeup(sc);
|
||||
|
||||
LPRINTF(("%s: opened\n", sc->sc_dev.dv_xname));
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
not_ready(status, sc)
|
||||
u_char status;
|
||||
struct lpt_softc *sc;
|
||||
{
|
||||
u_char new;
|
||||
|
||||
status = (status ^ LPS_INVERT) & LPS_MASK;
|
||||
new = status & ~sc->sc_laststatus;
|
||||
sc->sc_laststatus = status;
|
||||
|
||||
if (new & LPS_SELECT)
|
||||
log(LOG_NOTICE, "%s: offline\n", sc->sc_dev.dv_xname);
|
||||
else if (new & LPS_NOPAPER)
|
||||
log(LOG_NOTICE, "%s: out of paper\n", sc->sc_dev.dv_xname);
|
||||
else if (new & LPS_NERR)
|
||||
log(LOG_NOTICE, "%s: output error\n", sc->sc_dev.dv_xname);
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
void
|
||||
lptwakeup(arg)
|
||||
void *arg;
|
||||
{
|
||||
struct lpt_softc *sc = arg;
|
||||
int s;
|
||||
|
||||
s = spltty();
|
||||
lptintr(sc);
|
||||
splx(s);
|
||||
|
||||
timeout(lptwakeup, sc, STEP);
|
||||
}
|
||||
|
||||
/*
|
||||
* Close the device, and free the local line buffer.
|
||||
*/
|
||||
int
|
||||
lptclose(dev, flag, mode, p)
|
||||
dev_t dev;
|
||||
int flag;
|
||||
int mode;
|
||||
struct proc *p;
|
||||
{
|
||||
int unit = LPTUNIT(dev);
|
||||
struct lpt_softc *sc = lpt_cd.cd_devs[unit];
|
||||
bus_space_tag_t iot = sc->sc_iot;
|
||||
bus_space_handle_t ioh = sc->sc_ioh;
|
||||
|
||||
if (sc->sc_count)
|
||||
(void) pushbytes(sc);
|
||||
|
||||
if ((sc->sc_flags & LPT_NOINTR) == 0)
|
||||
untimeout(lptwakeup, sc);
|
||||
|
||||
bus_space_write_1(iot, ioh, lpt_control, LPC_NINIT);
|
||||
sc->sc_state = 0;
|
||||
bus_space_write_1(iot, ioh, lpt_control, LPC_NINIT);
|
||||
brelse(sc->sc_inbuf);
|
||||
|
||||
LPRINTF(("%s: closed\n", sc->sc_dev.dv_xname));
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
pushbytes(sc)
|
||||
struct lpt_softc *sc;
|
||||
{
|
||||
bus_space_tag_t iot = sc->sc_iot;
|
||||
bus_space_handle_t ioh = sc->sc_ioh;
|
||||
int error;
|
||||
|
||||
if (sc->sc_flags & LPT_NOINTR) {
|
||||
int spin, tic;
|
||||
u_char control = sc->sc_control;
|
||||
|
||||
while (sc->sc_count > 0) {
|
||||
spin = 0;
|
||||
while (NOT_READY()) {
|
||||
if (++spin < sc->sc_spinmax)
|
||||
continue;
|
||||
tic = 0;
|
||||
/* adapt busy-wait algorithm */
|
||||
sc->sc_spinmax++;
|
||||
while (NOT_READY_ERR()) {
|
||||
/* exponential backoff */
|
||||
tic = tic + tic + 1;
|
||||
if (tic > TIMEOUT)
|
||||
tic = TIMEOUT;
|
||||
error = tsleep((caddr_t)sc,
|
||||
LPTPRI | PCATCH, "lptpsh", tic);
|
||||
if (error != EWOULDBLOCK)
|
||||
return error;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
bus_space_write_1(iot, ioh, lpt_data, *sc->sc_cp++);
|
||||
bus_space_write_1(iot, ioh, lpt_control, control | LPC_STROBE);
|
||||
sc->sc_count--;
|
||||
bus_space_write_1(iot, ioh, lpt_control, control);
|
||||
|
||||
/* adapt busy-wait algorithm */
|
||||
if (spin*2 + 16 < sc->sc_spinmax)
|
||||
sc->sc_spinmax--;
|
||||
}
|
||||
} else {
|
||||
int s;
|
||||
|
||||
while (sc->sc_count > 0) {
|
||||
/* if the printer is ready for a char, give it one */
|
||||
if ((sc->sc_state & LPT_OBUSY) == 0) {
|
||||
LPRINTF(("%s: write %d\n", sc->sc_dev.dv_xname,
|
||||
sc->sc_count));
|
||||
s = spltty();
|
||||
(void) lptintr(sc);
|
||||
splx(s);
|
||||
}
|
||||
error = tsleep((caddr_t)sc, LPTPRI | PCATCH,
|
||||
"lptwrite2", 0);
|
||||
if (error)
|
||||
return error;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Copy a line from user space to a local buffer, then call putc to get the
|
||||
* chars moved to the output queue.
|
||||
*/
|
||||
int
|
||||
lptwrite(dev, uio, flags)
|
||||
dev_t dev;
|
||||
struct uio *uio;
|
||||
int flags;
|
||||
{
|
||||
struct lpt_softc *sc = lpt_cd.cd_devs[LPTUNIT(dev)];
|
||||
size_t n;
|
||||
int error = 0;
|
||||
|
||||
while ((n = min(LPT_BSIZE, uio->uio_resid)) != 0) {
|
||||
uiomove(sc->sc_cp = sc->sc_inbuf->b_data, n, uio);
|
||||
sc->sc_count = n;
|
||||
error = pushbytes(sc);
|
||||
if (error) {
|
||||
/*
|
||||
* Return accurate residual if interrupted or timed
|
||||
* out.
|
||||
*/
|
||||
uio->uio_resid += sc->sc_count;
|
||||
sc->sc_count = 0;
|
||||
return error;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Handle printer interrupts which occur when the printer is ready to accept
|
||||
* another char.
|
||||
*/
|
||||
int
|
||||
lptintr(arg)
|
||||
void *arg;
|
||||
{
|
||||
struct lpt_softc *sc = arg;
|
||||
bus_space_tag_t iot = sc->sc_iot;
|
||||
bus_space_handle_t ioh = sc->sc_ioh;
|
||||
|
||||
#if 0
|
||||
if ((sc->sc_state & LPT_OPEN) == 0)
|
||||
return 0;
|
||||
#endif
|
||||
|
||||
/* is printer online and ready for output */
|
||||
if (NOT_READY() && NOT_READY_ERR())
|
||||
return 0;
|
||||
|
||||
if (sc->sc_count) {
|
||||
u_char control = sc->sc_control;
|
||||
/* send char */
|
||||
bus_space_write_1(iot, ioh, lpt_data, *sc->sc_cp++);
|
||||
bus_space_write_1(iot, ioh, lpt_control, control | LPC_STROBE);
|
||||
sc->sc_count--;
|
||||
bus_space_write_1(iot, ioh, lpt_control, control);
|
||||
sc->sc_state |= LPT_OBUSY;
|
||||
} else
|
||||
sc->sc_state &= ~LPT_OBUSY;
|
||||
|
||||
if (sc->sc_count == 0) {
|
||||
/* none, wake up the top half to get more */
|
||||
wakeup((caddr_t)sc);
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
int
|
||||
lptioctl(dev, cmd, data, flag, p)
|
||||
dev_t dev;
|
||||
u_long cmd;
|
||||
caddr_t data;
|
||||
int flag;
|
||||
struct proc *p;
|
||||
{
|
||||
int error = 0;
|
||||
|
||||
switch (cmd) {
|
||||
default:
|
||||
error = ENODEV;
|
||||
}
|
||||
|
||||
return error;
|
||||
}
|
||||
|
|
@ -1,64 +0,0 @@
|
|||
/* $NetBSD: lptreg.h,v 1.4 1997/01/13 00:46:52 mark Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1990 The Regents of the University of California.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* William Jolitz.
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* @(#)lptreg.h 1.1 (Berkeley) 12/19/90
|
||||
*/
|
||||
|
||||
/*
|
||||
* AT Parallel Port (for lineprinter)
|
||||
* Interface port and bit definitions
|
||||
* Written by William Jolitz 12/18/90
|
||||
* Copyright (C) William Jolitz 1990
|
||||
*/
|
||||
|
||||
#define lpt_data 0 /* Data to/from printer (R/W) */
|
||||
|
||||
#define lpt_status 1 /* Status of printer (R) */
|
||||
#define LPS_NERR 0x08 /* printer no error */
|
||||
#define LPS_SELECT 0x10 /* printer selected */
|
||||
#define LPS_NOPAPER 0x20 /* printer out of paper */
|
||||
#define LPS_NACK 0x40 /* printer no ack of data */
|
||||
#define LPS_NBSY 0x80 /* printer no ack of data */
|
||||
|
||||
#define lpt_control 2 /* Control printer (R/W) */
|
||||
#define LPC_STROBE 0x01 /* strobe data to printer */
|
||||
#define LPC_AUTOLF 0x02 /* automatic linefeed */
|
||||
#define LPC_NINIT 0x04 /* initialize printer */
|
||||
#define LPC_SELECT 0x08 /* printer selected */
|
||||
#define LPC_IENABLE 0x10 /* printer out of paper */
|
||||
|
||||
#define LPT_NPORTS 4
|
||||
|
|
@ -1,91 +0,0 @@
|
|||
/* $NetBSD: lptvar.h,v 1.1 1997/10/14 19:04:09 mark Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1993, 1994 Charles Hannum.
|
||||
* Copyright (c) 1990 William F. Jolitz, TeleMuse
|
||||
* 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 software is a component of "386BSD" developed by
|
||||
* William F. Jolitz, TeleMuse.
|
||||
* 4. Neither the name of the developer nor the name "386BSD"
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS A COMPONENT OF 386BSD DEVELOPED BY WILLIAM F. JOLITZ
|
||||
* AND IS INTENDED FOR RESEARCH AND EDUCATIONAL PURPOSES ONLY. THIS
|
||||
* SOFTWARE SHOULD NOT BE CONSIDERED TO BE A COMMERCIAL PRODUCT.
|
||||
* THE DEVELOPER URGES THAT USERS WHO REQUIRE A COMMERCIAL PRODUCT
|
||||
* NOT MAKE USE OF THIS WORK.
|
||||
*
|
||||
* FOR USERS WHO WISH TO UNDERSTAND THE 386BSD SYSTEM DEVELOPED
|
||||
* BY WILLIAM F. JOLITZ, WE RECOMMEND THE USER STUDY WRITTEN
|
||||
* REFERENCES SUCH AS THE "PORTING UNIX TO THE 386" SERIES
|
||||
* (BEGINNING JANUARY 1991 "DR. DOBBS JOURNAL", USA AND BEGINNING
|
||||
* JUNE 1991 "UNIX MAGAZIN", GERMANY) BY WILLIAM F. JOLITZ AND
|
||||
* LYNNE GREER JOLITZ, AS WELL AS OTHER BOOKS ON UNIX AND THE
|
||||
* ON-LINE 386BSD USER MANUAL BEFORE USE. A BOOK DISCUSSING THE INTERNALS
|
||||
* OF 386BSD ENTITLED "386BSD FROM THE INSIDE OUT" WILL BE AVAILABLE LATE 1992.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPER ``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 DEVELOPER 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.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Device Driver for AT parallel printer port
|
||||
*/
|
||||
|
||||
/*
|
||||
* softc structure for lpt device
|
||||
*/
|
||||
|
||||
struct lpt_softc {
|
||||
struct device sc_dev;
|
||||
void *sc_ih;
|
||||
|
||||
size_t sc_count;
|
||||
struct buf *sc_inbuf;
|
||||
u_char *sc_cp;
|
||||
int sc_spinmax;
|
||||
int sc_iobase;
|
||||
bus_space_tag_t sc_iot;
|
||||
bus_space_handle_t sc_ioh;
|
||||
int sc_irq;
|
||||
u_char sc_state;
|
||||
#define LPT_OPEN 0x01 /* device is open */
|
||||
#define LPT_OBUSY 0x02 /* printer is busy doing output */
|
||||
#define LPT_INIT 0x04 /* waiting to initialize for open */
|
||||
u_char sc_flags;
|
||||
#define LPT_AUTOLF 0x20 /* automatic LF on CR */
|
||||
#define LPT_NOPRIME 0x40 /* don't prime on open */
|
||||
#define LPT_NOINTR 0x80 /* do not use interrupt */
|
||||
u_char sc_control;
|
||||
u_char sc_laststatus;
|
||||
};
|
||||
|
||||
#define LPT_NOIRQ -1 /* irq value if no interrupts */
|
||||
|
||||
/* prototypes for functions used in attach routines */
|
||||
|
||||
int lptintr __P((void *));
|
||||
int lptprobe __P((bus_space_tag_t iot, u_int iobase));
|
||||
|
||||
/* End of lptvar.h */
|
||||
Loading…
Reference in New Issue