source: mainline/uspace/drv/char/pc-lpt/pc-lpt.h@ 58168e0

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 58168e0 was 10b21a1b, checked in by Jiri Svoboda <jiri@…>, 7 years ago

PC parallel port driver and printing utility

Add pc-lpt driver for the standard PC parallel port. Add lprint utility
to print a file or a short message to the printer port. Tested in Qemu.

  • Property mode set to 100644
File size: 2.4 KB
Line 
1/*
2 * Copyright (c) 2018 Jiri Svoboda
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 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup uspace_drv_pc_lpt
30 * @{
31 */
32/** @file
33 */
34
35#ifndef PC_LPT_H
36#define PC_LPT_H
37
38#include <async.h>
39#include <ddf/driver.h>
40#include <ddi.h>
41#include <fibril_synch.h>
42#include <io/chardev_srv.h>
43#include <stdint.h>
44
45#include "pc-lpt_hw.h"
46
47/** PC parallel port resources */
48typedef struct {
49 uintptr_t base;
50 int irq;
51} pc_lpt_res_t;
52
53/** PC parallel port */
54typedef struct {
55 /** DDF device */
56 ddf_dev_t *dev;
57 /** Character device service structure */
58 chardev_srvs_t cds;
59 /** Hardware resources */
60 pc_lpt_res_t res;
61 /** PIO range */
62 irq_pio_range_t irq_range[1];
63 /** IRQ code */
64 irq_code_t irq_code;
65 /** Hardware access lock */
66 fibril_mutex_t hw_lock;
67 /** Hardware registers */
68 pc_lpt_regs_t *regs;
69 /** IRQ handle */
70 cap_irq_handle_t irq_handle;
71} pc_lpt_t;
72
73extern errno_t pc_lpt_add(pc_lpt_t *, pc_lpt_res_t *);
74extern errno_t pc_lpt_remove(pc_lpt_t *);
75extern errno_t pc_lpt_gone(pc_lpt_t *);
76
77#endif
78
79/** @}
80 */
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