WebSVN – HelenOS – Diff – /branches/network/kernel/genarch/src/kbrd/kbrd.c


/*
 * Copyright (c) 2009 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - 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.
 * - 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.
 */
 
/** @addtogroup genarch
 * @{
 */
/**
 * @file
 * @brief Keyboard processing.
 */
 
#include <genarch/kbrd/kbrd.h>
#include <genarch/kbrd/scanc.h>
 
#ifdef CONFIG_PC_KBD
#include <genarch/kbrd/scanc_pc.h>
#endif
 
#ifdef CONFIG_SUN_KBD
#include <genarch/kbrd/scanc_sun.h>
#endif
 
#ifdef CONFIG_MAC_KBD
#include <genarch/kbrd/scanc_mac.h>
#endif
 
#include <synch/spinlock.h>
#include <console/chardev.h>
#include <console/console.h>
#include <proc/thread.h>
#include <arch.h>
#include <macros.h>
 
#define IGNORE_CODE  0x7f
#define KEY_RELEASE  0x80
 
#define PRESSED_SHIFT     (1 << 0)
#define PRESSED_CAPSLOCK  (1 << 1)
#define LOCKED_CAPSLOCK   (1 << 0)
 
static indev_operations_t kbrd_raw_ops = {
    .poll = NULL
};
 
/** Process release of key.
 *
 * @param sc Scancode of the key being released.
 */
static void key_released(kbrd_instance_t *instance, wchar_t sc)
{
    spinlock_lock(&instance->keylock);
   
    switch (sc) {
    case SC_LSHIFT:
    case SC_RSHIFT:
        instance->keyflags &= ~PRESSED_SHIFT;
        break;
    case SC_CAPSLOCK:
        instance->keyflags &= ~PRESSED_CAPSLOCK;
        if (instance->lockflags & LOCKED_CAPSLOCK)
            instance->lockflags &= ~LOCKED_CAPSLOCK;
        else
            instance->lockflags |= LOCKED_CAPSLOCK;
        break;
    default:
        break;
    }
   
    spinlock_unlock(&instance->keylock);
}
 
/** Process keypress.
 *
 * @param sc Scancode of the key being pressed.
 */
static void key_pressed(kbrd_instance_t *instance, wchar_t sc)
{
    bool letter;
    bool shift;
    bool capslock;
   
    spinlock_lock(&instance->keylock);
   
    switch (sc) {
    case SC_LSHIFT:
    case SC_RSHIFT:
        instance->keyflags |= PRESSED_SHIFT;
        break;
    case SC_CAPSLOCK:
        instance->keyflags |= PRESSED_CAPSLOCK;
        break;
    case SC_SCAN_ESCAPE:
        break;
    default:
        letter = islower(sc_primary_map[sc]);
        shift = instance->keyflags & PRESSED_SHIFT;
        capslock = (instance->keyflags & PRESSED_CAPSLOCK) ||
            (instance->lockflags & LOCKED_CAPSLOCK);
       
        if ((letter) && (capslock))
            shift = !shift;
       
        if (shift)
            indev_push_character(instance->sink, sc_secondary_map[sc]);
        else
            indev_push_character(instance->sink, sc_primary_map[sc]);
        break;
    }
   
    spinlock_unlock(&instance->keylock);
}
 
static void kkbrd(void *arg)
{
    kbrd_instance_t *instance = (kbrd_instance_t *) arg;
   
    while (true) {
        wchar_t sc = indev_pop_character(&instance->raw);
       
        if (sc == IGNORE_CODE)
            continue;
       
        if (sc & KEY_RELEASE)
            key_released(instance, (sc ^ KEY_RELEASE) & 0x7f);
        else
            key_pressed(instance, sc & 0x7f);
    }
}
 
kbrd_instance_t *kbrd_init(void)
{
    kbrd_instance_t *instance
        = malloc(sizeof(kbrd_instance_t), FRAME_ATOMIC);
    if (instance) {
        instance->thread
            = thread_create(kkbrd, (void *) instance, TASK, 0, "kkbrd", false);
       
        if (!instance->thread) {
            free(instance);
            return NULL;
        }
       
        instance->sink = NULL;
        indev_initialize("kbrd", &instance->raw, &kbrd_raw_ops);
       
        spinlock_initialize(&instance->keylock, "instance_keylock");
        instance->keyflags = 0;
        instance->lockflags = 0;
    }
   
    return instance;
}
 
indev_t *kbrd_wire(kbrd_instance_t *instance, indev_t *sink)
{
    ASSERT(instance);
    ASSERT(sink);
   
    instance->sink = sink;
    thread_ready(instance->thread);
   
    return &instance->raw;
}
 
/** @}
 */
 

Rev 4327	Rev 4718
1	/*	1	/*
2	* Copyright (c) 2009 Jakub Jermar	2	* Copyright (c) 2009 Jakub Jermar
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	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	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.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	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	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	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	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	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	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.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup genarch	29	/** @addtogroup genarch
30	* @{	30	* @{
31	*/	31	*/
32	/**	32	/**
33	* @file	33	* @file
34	* @brief Keyboard processing.	34	* @brief Keyboard processing.
35	*/	35	*/
36		36
37	#include <genarch/kbrd/kbrd.h>	37	#include <genarch/kbrd/kbrd.h>
38	#include <genarch/kbrd/scanc.h>	38	#include <genarch/kbrd/scanc.h>
39		39
40	#ifdef CONFIG_PC_KBD	40	#ifdef CONFIG_PC_KBD
41	#include <genarch/kbrd/scanc_pc.h>	41	#include <genarch/kbrd/scanc_pc.h>
42	#endif	42	#endif
43		43
44	#ifdef CONFIG_SUN_KBD	44	#ifdef CONFIG_SUN_KBD
45	#include <genarch/kbrd/scanc_sun.h>	45	#include <genarch/kbrd/scanc_sun.h>
46	#endif	46	#endif
47		47
-		48	#ifdef CONFIG_MAC_KBD
-		49	#include <genarch/kbrd/scanc_mac.h>
-		50	#endif
-		51
48	#include <synch/spinlock.h>	52	#include <synch/spinlock.h>
49	#include <console/chardev.h>	53	#include <console/chardev.h>
50	#include <console/console.h>	54	#include <console/console.h>
51	#include <proc/thread.h>	55	#include <proc/thread.h>
52	#include <arch.h>	56	#include <arch.h>
53	#include <macros.h>	57	#include <macros.h>
54		58
55	#define IGNORE_CODE 0x7f	59	#define IGNORE_CODE 0x7f
56	#define KEY_RELEASE 0x80	60	#define KEY_RELEASE 0x80
57		61
58	#define PRESSED_SHIFT (1 << 0)	62	#define PRESSED_SHIFT (1 << 0)
59	#define PRESSED_CAPSLOCK (1 << 1)	63	#define PRESSED_CAPSLOCK (1 << 1)
60	#define LOCKED_CAPSLOCK (1 << 0)	64	#define LOCKED_CAPSLOCK (1 << 0)
61		65
62	static indev_operations_t kbrd_raw_ops = {	66	static indev_operations_t kbrd_raw_ops = {
63	.poll = NULL	67	.poll = NULL
64	};	68	};
65		69
66	/** Process release of key.	70	/** Process release of key.
67	*	71	*
68	* @param sc Scancode of the key being released.	72	* @param sc Scancode of the key being released.
69	*/	73	*/
70	static void key_released(kbrd_instance_t *instance, wchar_t sc)	74	static void key_released(kbrd_instance_t *instance, wchar_t sc)
71	{	75	{
72	spinlock_lock(&instance->keylock);	76	spinlock_lock(&instance->keylock);
73		77
74	switch (sc) {	78	switch (sc) {
75	case SC_LSHIFT:	79	case SC_LSHIFT:
76	case SC_RSHIFT:	80	case SC_RSHIFT:
77	instance->keyflags &= ~PRESSED_SHIFT;	81	instance->keyflags &= ~PRESSED_SHIFT;
78	break;	82	break;
79	case SC_CAPSLOCK:	83	case SC_CAPSLOCK:
80	instance->keyflags &= ~PRESSED_CAPSLOCK;	84	instance->keyflags &= ~PRESSED_CAPSLOCK;
81	if (instance->lockflags & LOCKED_CAPSLOCK)	85	if (instance->lockflags & LOCKED_CAPSLOCK)
82	instance->lockflags &= ~LOCKED_CAPSLOCK;	86	instance->lockflags &= ~LOCKED_CAPSLOCK;
83	else	87	else
84	instance->lockflags \|= LOCKED_CAPSLOCK;	88	instance->lockflags \|= LOCKED_CAPSLOCK;
85	break;	89	break;
86	default:	90	default:
87	break;	91	break;
88	}	92	}
89		93
90	spinlock_unlock(&instance->keylock);	94	spinlock_unlock(&instance->keylock);
91	}	95	}
92		96
93	/** Process keypress.	97	/** Process keypress.
94	*	98	*
95	* @param sc Scancode of the key being pressed.	99	* @param sc Scancode of the key being pressed.
96	*/	100	*/
97	static void key_pressed(kbrd_instance_t *instance, wchar_t sc)	101	static void key_pressed(kbrd_instance_t *instance, wchar_t sc)
98	{	102	{
99	bool letter;	103	bool letter;
100	bool shift;	104	bool shift;
101	bool capslock;	105	bool capslock;
102		106
103	spinlock_lock(&instance->keylock);	107	spinlock_lock(&instance->keylock);
104		108
105	switch (sc) {	109	switch (sc) {
106	case SC_LSHIFT:	110	case SC_LSHIFT:
107	case SC_RSHIFT:	111	case SC_RSHIFT:
108	instance->keyflags \|= PRESSED_SHIFT;	112	instance->keyflags \|= PRESSED_SHIFT;
109	break;	113	break;
110	case SC_CAPSLOCK:	114	case SC_CAPSLOCK:
111	instance->keyflags \|= PRESSED_CAPSLOCK;	115	instance->keyflags \|= PRESSED_CAPSLOCK;
112	break;	116	break;
113	case SC_SCAN_ESCAPE:	117	case SC_SCAN_ESCAPE:
114	break;	118	break;
115	default:	119	default:
116	letter = islower(sc_primary_map[sc]);	120	letter = islower(sc_primary_map[sc]);
117	shift = instance->keyflags & PRESSED_SHIFT;	121	shift = instance->keyflags & PRESSED_SHIFT;
118	capslock = (instance->keyflags & PRESSED_CAPSLOCK) \|\|	122	capslock = (instance->keyflags & PRESSED_CAPSLOCK) \|\|
119	(instance->lockflags & LOCKED_CAPSLOCK);	123	(instance->lockflags & LOCKED_CAPSLOCK);
120		124
121	if ((letter) && (capslock))	125	if ((letter) && (capslock))
122	shift = !shift;	126	shift = !shift;
123		127
124	if (shift)	128	if (shift)
125	indev_push_character(instance->sink, sc_secondary_map[sc]);	129	indev_push_character(instance->sink, sc_secondary_map[sc]);
126	else	130	else
127	indev_push_character(instance->sink, sc_primary_map[sc]);	131	indev_push_character(instance->sink, sc_primary_map[sc]);
128	break;	132	break;
129	}	133	}
130		134
131	spinlock_unlock(&instance->keylock);	135	spinlock_unlock(&instance->keylock);
132	}	136	}
133		137
134	static void kkbrd(void *arg)	138	static void kkbrd(void *arg)
135	{	139	{
136	kbrd_instance_t instance = (kbrd_instance_t ) arg;	140	kbrd_instance_t instance = (kbrd_instance_t ) arg;
137		141
138	while (true) {	142	while (true) {
139	wchar_t sc = indev_pop_character(&instance->raw);	143	wchar_t sc = indev_pop_character(&instance->raw);
140		144
141	if (sc == IGNORE_CODE)	145	if (sc == IGNORE_CODE)
142	continue;	146	continue;
143		147
144	if (sc & KEY_RELEASE)	148	if (sc & KEY_RELEASE)
145	key_released(instance, (sc ^ KEY_RELEASE) & 0x7f);	149	key_released(instance, (sc ^ KEY_RELEASE) & 0x7f);
146	else	150	else
147	key_pressed(instance, sc & 0x7f);	151	key_pressed(instance, sc & 0x7f);
148	}	152	}
149	}	153	}
150		154
151	kbrd_instance_t *kbrd_init(void)	155	kbrd_instance_t *kbrd_init(void)
152	{	156	{
153	kbrd_instance_t *instance	157	kbrd_instance_t *instance
154	= malloc(sizeof(kbrd_instance_t), FRAME_ATOMIC);	158	= malloc(sizeof(kbrd_instance_t), FRAME_ATOMIC);
155	if (instance) {	159	if (instance) {
156	instance->thread	160	instance->thread
157	= thread_create(kkbrd, (void *) instance, TASK, 0, "kkbrd", false);	161	= thread_create(kkbrd, (void *) instance, TASK, 0, "kkbrd", false);
158		162
159	if (!instance->thread) {	163	if (!instance->thread) {
160	free(instance);	164	free(instance);
161	return NULL;	165	return NULL;
162	}	166	}
163		167
164	instance->sink = NULL;	168	instance->sink = NULL;
165	indev_initialize("kbrd", &instance->raw, &kbrd_raw_ops);	169	indev_initialize("kbrd", &instance->raw, &kbrd_raw_ops);
166		170
167	spinlock_initialize(&instance->keylock, "instance_keylock");	171	spinlock_initialize(&instance->keylock, "instance_keylock");
168	instance->keyflags = 0;	172	instance->keyflags = 0;
169	instance->lockflags = 0;	173	instance->lockflags = 0;
170	}	174	}
171		175
172	return instance;	176	return instance;
173	}	177	}
174		178
175	indev_t kbrd_wire(kbrd_instance_t instance, indev_t *sink)	179	indev_t kbrd_wire(kbrd_instance_t instance, indev_t *sink)
176	{	180	{
177	ASSERT(instance);	181	ASSERT(instance);
178	ASSERT(sink);	182	ASSERT(sink);
179		183
180	instance->sink = sink;	184	instance->sink = sink;
181	thread_ready(instance->thread);	185	thread_ready(instance->thread);
182		186
183	return &instance->raw;	187	return &instance->raw;
184	}	188	}
185		189
186	/** @}	190	/** @}
187	*/	191	*/
188		192

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(root)/branches/network/kernel/genarch/src/kbrd/kbrd.c – Rev 4327 → 4718