Subversion Repositories HelenOS

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
4377 svoboda 1
/*
2
 * Copyright (c) 2006 Josef Cejka
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 kbd_port
30
 * @ingroup  kbd
31
 * @{
32
 */
33
/** @file
34
 * @brief   Msim keyboard port driver.
35
 */
36
 
37
#include <ipc/ipc.h>
38
#include <async.h>
39
#include <sysinfo.h>
40
#include <kbd_port.h>
41
#include <kbd.h>
42
#include <ddi.h>
43
 
44
irq_cmd_t msim_cmds[] = {
45
    {
46
        .cmd = CMD_PIO_READ_8,
47
        .addr = (void *) 0, /* will be patched in run-time */
48
        .dstarg = 2
49
    },
50
    {
51
        .cmd = CMD_ACCEPT
52
    }
53
 
54
};
55
 
56
irq_code_t msim_kbd = {
57
    sizeof(msim_cmds) / sizeof(irq_cmd_t),
58
    msim_cmds
59
};
60
 
61
static void msim_irq_handler(ipc_callid_t iid, ipc_call_t *call);
62
 
63
int kbd_port_init(void)
64
{
65
    async_set_interrupt_received(msim_irq_handler);
66
    msim_cmds[0].addr = sysinfo_value("kbd.address.virtual");
67
    ipc_register_irq(sysinfo_value("kbd.inr"), device_assign_devno(),
68
        0, &msim_kbd);
69
    return 0;
70
}
71
 
72
void kbd_port_yield(void)
73
{
74
}
75
 
76
void kbd_port_reclaim(void)
77
{
78
}
79
 
80
static void msim_irq_handler(ipc_callid_t iid, ipc_call_t *call)
81
{
82
    int scan_code = IPC_GET_ARG2(*call);
83
    kbd_push_scancode(scan_code);
84
}
85
 
86
/** @}
87
*/