1 /* $NetBSD: lptvar.h,v 1.8 2005/12/11 12:23:28 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Gary Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef __DEV_PPBUS_LPTVAR_H 40 #define __DEV_PPBUS_LPTVAR_H 41 42 #include <machine/vmparam.h> 43 #include <dev/ppbus/ppbus_device.h> 44 45 /* #define LPINITRDY 4 wait up to 4 seconds for a ready 46 #define BUFSTATSIZE 32 47 #define LPTOUTINITIAL 10 initial timeout to wait for ready 1/10 s 48 #define LPTOUTMAX 1 maximal timeout 1 s */ 49 #define LPPRI (PZERO+8) 50 #define BUFSIZE PAGE_SIZE 51 52 #define LPTUNIT(s) (minor(s) & 0xff) 53 #define LPTCTL(s) (minor(s) & 0x100) 54 55 /* Wait up to 16 seconds for a ready */ 56 #define LPT_TIMEOUT ((hz)*16) 57 #define LPT_STEP ((hz)/4) 58 59 struct lpt_softc { 60 struct ppbus_device_softc ppbus_dev; 61 62 int sc_state; 63 /* bits for state */ 64 #define OPEN (unsigned)(1<<0) /* device is open */ 65 #define ASLP (unsigned)(1<<1) /* awaiting draining of printer */ 66 #define EERROR (unsigned)(1<<2) /* error was received from printer */ 67 #define OBUSY (unsigned)(1<<3) /* printer is busy doing output */ 68 #define LPTOUT (unsigned)(1<<4) /* timeout while not selected */ 69 #define TOUT (unsigned)(1<<5) /* timeout while not selected */ 70 #define LPTINIT (unsigned)(1<<6) /* waiting to initialize for open */ 71 #define INTERRUPTED (unsigned)(1<<7) /* write call was interrupted */ 72 #define HAVEBUS (unsigned)(1<<8) /* the driver owns the bus */ 73 74 int sc_flags; /* flags from lptio.h */ 75 76 char *sc_inbuf; 77 char *sc_outbuf; 78 bus_addr_t sc_in_baddr; 79 bus_addr_t sc_out_baddr; 80 }; 81 82 #define MAX_SLEEP (hz*5) /* Timeout while waiting for device ready */ 83 #define MAX_SPIN 20 /* Max delay for device ready in usecs */ 84 85 #ifdef LPT_DEBUG 86 static volatile int lptdebug = 1; 87 #ifndef LPT_DPRINTF 88 #define LPT_DPRINTF(arg) if(lptdebug) printf arg 89 #else 90 #define LPT_DPRINTF(arg) if(lptdebug) printf("WARNING: LPT_DPRINTF " \ 91 "REDEFINED!!!") 92 #endif /* LPT_DPRINTF */ 93 #else 94 #define LPT_DPRINTF(arg) 95 #endif /* LPT_DEBUG */ 96 97 #ifdef LPT_VERBOSE 98 static volatile int lptverbose = 1; 99 #ifndef LPT_VPRINTF 100 #define LPT_VPRINTF(arg) if(lptverbose) printf arg 101 #else 102 #define LPT_VPRINTF(arg) if(lptverbose) printf("WARNING: LPT_VPRINTF " \ 103 "REDEFINED!!!") 104 #endif /* LPT_VPRINTF */ 105 #else 106 #define LPT_VPRINTF(arg) 107 #endif /* LPT_VERBOSE */ 108 109 #endif /* __DEV_PPBUS_LPTVAR_H */ 110