1/* 2 * Copyright (c) 1990 William F. Jolitz, TeleMuse 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 34 unchanged lines hidden (view full) --- 43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 44 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 45 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 46 * SUCH DAMAGE. 47 * 48 * from: unknown origin, 386BSD 0.1 49 * From Id: lpt.c,v 1.55.2.1 1996/11/12 09:08:38 phk Exp 50 * From Id: nlpt.c,v 1.14 1999/02/08 13:55:43 des Exp |
51 * $FreeBSD: head/sys/dev/ppbus/lpt.c 111815 2003-03-03 12:15:54Z phk $ |
52 */ 53 54/* 55 * Device Driver for AT parallel printer port 56 * Written by William Jolitz 12/18/90 57 */ 58 59/* --- 124 unchanged lines hidden (view full) --- 184static d_open_t lptopen; 185static d_close_t lptclose; 186static d_write_t lptwrite; 187static d_read_t lptread; 188static d_ioctl_t lptioctl; 189 190#define CDEV_MAJOR 16 191static struct cdevsw lpt_cdevsw = { |
192 .d_open = lptopen, 193 .d_close = lptclose, 194 .d_read = lptread, 195 .d_write = lptwrite, 196 .d_ioctl = lptioctl, 197 .d_name = LPT_NAME, 198 .d_maj = CDEV_MAJOR, |
199}; 200 201static int 202lpt_request_ppbus(device_t dev, int how) 203{ 204 device_t ppbus = device_get_parent(dev); 205 struct lpt_data *sc = DEVTOSOFTC(dev); 206 int error; --- 762 unchanged lines hidden --- |