WebSVN – HelenOS – Diff – /branches/dynload/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
 
#include <synch/spinlock.h>
#include <console/chardev.h>
#include <console/console.h>
#include <proc/thread.h>
#include <arch.h>
#include <macros.h>
 
#ifdef CONFIG_SUN_KBD
    #define IGNORE_CODE  0x7f
#endif
 
#define KEY_RELEASE  0x80
 
#define PRESSED_SHIFT     (1 << 0)
#define PRESSED_CAPSLOCK  (1 << 1)
#define LOCKED_CAPSLOCK   (1 << 0)
 
static indev_t kbrdout;
 
indev_operations_t kbrdout_ops = {
    .poll = NULL
};
 
SPINLOCK_INITIALIZE(keylock);   /**< keylock protects keyflags and lockflags. */
static volatile int keyflags;   /**< Tracking of multiple keypresses. */
static volatile int lockflags;  /**< Tracking of multiple keys lockings. */
 
static void key_released(uint8_t);
static void key_pressed(uint8_t);
 
static void kkbrd(void *arg)
{
    indev_t *in = (indev_t *) arg;
   
    while (true) {
        uint8_t sc = _getc(in);
       
#ifdef CONFIG_SUN_KBD
        if (sc == IGNORE_CODE)
            continue;
#endif
       
        if (sc & KEY_RELEASE)
            key_released(sc ^ KEY_RELEASE);
        else
            key_pressed(sc);
    }
}
 
void kbrd_init(indev_t *devin)
{
    indev_initialize("kbrd", &kbrdout, &kbrdout_ops);
    thread_t *thread
        = thread_create(kkbrd, devin, TASK, 0, "kkbrd", false);
   
    if (thread) {
        stdin = &kbrdout;
        thread_ready(thread);
    }
}
 
/** Process release of key.
 *
 * @param sc Scancode of the key being released.
 */
void key_released(uint8_t sc)
{
    spinlock_lock(&keylock);
    switch (sc) {
    case SC_LSHIFT:
    case SC_RSHIFT:
        keyflags &= ~PRESSED_SHIFT;
        break;
    case SC_CAPSLOCK:
        keyflags &= ~PRESSED_CAPSLOCK;
        if (lockflags & LOCKED_CAPSLOCK)
            lockflags &= ~LOCKED_CAPSLOCK;
        else
            lockflags |= LOCKED_CAPSLOCK;
        break;
    default:
        break;
    }
    spinlock_unlock(&keylock);
}
 
/** Process keypress.
 *
 * @param sc Scancode of the key being pressed.
 */
void key_pressed(uint8_t sc)
{
    char *map = sc_primary_map;
    char ascii = sc_primary_map[sc];
    bool shift, capslock;
    bool letter = false;
   
    spinlock_lock(&keylock);
    switch (sc) {
    case SC_LSHIFT:
    case SC_RSHIFT:
        keyflags |= PRESSED_SHIFT;
        break;
    case SC_CAPSLOCK:
        keyflags |= PRESSED_CAPSLOCK;
        break;
    case SC_SPEC_ESCAPE:
        break;
    case SC_LEFTARR:
        indev_push_character(stdin, 0x1b);
        indev_push_character(stdin, 0x5b);
        indev_push_character(stdin, 0x44);
        break;
    case SC_RIGHTARR:
        indev_push_character(stdin, 0x1b);
        indev_push_character(stdin, 0x5b);
        indev_push_character(stdin, 0x43);
        break;
    case SC_UPARR:
        indev_push_character(stdin, 0x1b);
        indev_push_character(stdin, 0x5b);
        indev_push_character(stdin, 0x41);
        break;
    case SC_DOWNARR:
        indev_push_character(stdin, 0x1b);
        indev_push_character(stdin, 0x5b);
        indev_push_character(stdin, 0x42);
        break;
    case SC_HOME:
        indev_push_character(stdin, 0x1b);
        indev_push_character(stdin, 0x4f);
        indev_push_character(stdin, 0x48);
        break;
    case SC_END:
        indev_push_character(stdin, 0x1b);
        indev_push_character(stdin, 0x4f);
        indev_push_character(stdin, 0x46);
        break;
    case SC_DELETE:
        indev_push_character(stdin, 0x1b);
        indev_push_character(stdin, 0x5b);
        indev_push_character(stdin, 0x33);
        indev_push_character(stdin, 0x7e);
        break;
    default:
        letter = islower(ascii);
        capslock = (keyflags & PRESSED_CAPSLOCK) ||
            (lockflags & LOCKED_CAPSLOCK);
        shift = keyflags & PRESSED_SHIFT;
        if (letter && capslock)
            shift = !shift;
        if (shift)
            map = sc_secondary_map;
        indev_push_character(stdin, map[sc]);
        break;
    }
    spinlock_unlock(&keylock);
}
 
/** @}
 */
 

Rev 4092	Rev 4346
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	#include <synch/spinlock.h>	48	#include <synch/spinlock.h>
49	#include <console/chardev.h>	49	#include <console/chardev.h>
50	#include <console/console.h>	50	#include <console/console.h>
51	#include <proc/thread.h>	51	#include <proc/thread.h>
52	#include <arch.h>	52	#include <arch.h>
53	#include <macros.h>	53	#include <macros.h>
54		54
55	#ifdef CONFIG_SUN_KBD	55	#ifdef CONFIG_SUN_KBD
56	#define IGNORE_CODE 0x7f	56	#define IGNORE_CODE 0x7f
57	#endif	57	#endif
58		58
59	#define KEY_RELEASE 0x80	59	#define KEY_RELEASE 0x80
60		60
61	#define PRESSED_SHIFT (1 << 0)	61	#define PRESSED_SHIFT (1 << 0)
62	#define PRESSED_CAPSLOCK (1 << 1)	62	#define PRESSED_CAPSLOCK (1 << 1)
63	#define LOCKED_CAPSLOCK (1 << 0)	63	#define LOCKED_CAPSLOCK (1 << 0)
64		64
65	static indev_t kbrdout;	65	static indev_t kbrdout;
66		66
67	indev_operations_t kbrdout_ops = {	67	indev_operations_t kbrdout_ops = {
68	.poll = NULL	68	.poll = NULL
69	};	69	};
70		70
71	SPINLOCK_INITIALIZE(keylock); /*< keylock protects keyflags and lockflags. /	71	SPINLOCK_INITIALIZE(keylock); /*< keylock protects keyflags and lockflags. /
72	static volatile int keyflags; /*< Tracking of multiple keypresses. /	72	static volatile int keyflags; /*< Tracking of multiple keypresses. /
73	static volatile int lockflags; /*< Tracking of multiple keys lockings. /	73	static volatile int lockflags; /*< Tracking of multiple keys lockings. /
74		74
75	static void key_released(uint8_t);	75	static void key_released(uint8_t);
76	static void key_pressed(uint8_t);	76	static void key_pressed(uint8_t);
77		77
78	static void kkbrd(void *arg)	78	static void kkbrd(void *arg)
79	{	79	{
80	indev_t in = (indev_t ) arg;	80	indev_t in = (indev_t ) arg;
81		81
82	while (true) {	82	while (true) {
83	uint8_t sc = _getc(in);	83	uint8_t sc = _getc(in);
84		84
85	#ifdef CONFIG_SUN_KBD	85	#ifdef CONFIG_SUN_KBD
86	if (sc == IGNORE_CODE)	86	if (sc == IGNORE_CODE)
87	continue;	87	continue;
88	#endif	88	#endif
89		89
90	if (sc & KEY_RELEASE)	90	if (sc & KEY_RELEASE)
91	key_released(sc ^ KEY_RELEASE);	91	key_released(sc ^ KEY_RELEASE);
92	else	92	else
93	key_pressed(sc);	93	key_pressed(sc);
94	}	94	}
95	}	95	}
96		96
97	void kbrd_init(indev_t *devin)	97	void kbrd_init(indev_t *devin)
98	{	98	{
99	indev_initialize("kbrd", &kbrdout, &kbrdout_ops);	99	indev_initialize("kbrd", &kbrdout, &kbrdout_ops);
100	thread_t *thread	100	thread_t *thread
101	= thread_create(kkbrd, devin, TASK, 0, "kkbrd", false);	101	= thread_create(kkbrd, devin, TASK, 0, "kkbrd", false);
102		102
103	if (thread) {	103	if (thread) {
104	stdin = &kbrdout;	104	stdin = &kbrdout;
105	thread_ready(thread);	105	thread_ready(thread);
106	}	106	}
107	}	107	}
108		108
109	/** Process release of key.	109	/** Process release of key.
110	*	110	*
111	* @param sc Scancode of the key being released.	111	* @param sc Scancode of the key being released.
112	*/	112	*/
113	void key_released(uint8_t sc)	113	void key_released(uint8_t sc)
114	{	114	{
115	spinlock_lock(&keylock);	115	spinlock_lock(&keylock);
116	switch (sc) {	116	switch (sc) {
117	case SC_LSHIFT:	117	case SC_LSHIFT:
118	case SC_RSHIFT:	118	case SC_RSHIFT:
119	keyflags &= ~PRESSED_SHIFT;	119	keyflags &= ~PRESSED_SHIFT;
120	break;	120	break;
121	case SC_CAPSLOCK:	121	case SC_CAPSLOCK:
122	keyflags &= ~PRESSED_CAPSLOCK;	122	keyflags &= ~PRESSED_CAPSLOCK;
123	if (lockflags & LOCKED_CAPSLOCK)	123	if (lockflags & LOCKED_CAPSLOCK)
124	lockflags &= ~LOCKED_CAPSLOCK;	124	lockflags &= ~LOCKED_CAPSLOCK;
125	else	125	else
126	lockflags \|= LOCKED_CAPSLOCK;	126	lockflags \|= LOCKED_CAPSLOCK;
127	break;	127	break;
128	default:	128	default:
129	break;	129	break;
130	}	130	}
131	spinlock_unlock(&keylock);	131	spinlock_unlock(&keylock);
132	}	132	}
133		133
134	/** Process keypress.	134	/** Process keypress.
135	*	135	*
136	* @param sc Scancode of the key being pressed.	136	* @param sc Scancode of the key being pressed.
137	*/	137	*/
138	void key_pressed(uint8_t sc)	138	void key_pressed(uint8_t sc)
139	{	139	{
140	char *map = sc_primary_map;	140	char *map = sc_primary_map;
141	char ascii = sc_primary_map[sc];	141	char ascii = sc_primary_map[sc];
142	bool shift, capslock;	142	bool shift, capslock;
143	bool letter = false;	143	bool letter = false;
144		144
145	spinlock_lock(&keylock);	145	spinlock_lock(&keylock);
146	switch (sc) {	146	switch (sc) {
147	case SC_LSHIFT:	147	case SC_LSHIFT:
148	case SC_RSHIFT:	148	case SC_RSHIFT:
149	keyflags \|= PRESSED_SHIFT;	149	keyflags \|= PRESSED_SHIFT;
150	break;	150	break;
151	case SC_CAPSLOCK:	151	case SC_CAPSLOCK:
152	keyflags \|= PRESSED_CAPSLOCK;	152	keyflags \|= PRESSED_CAPSLOCK;
153	break;	153	break;
154	case SC_SPEC_ESCAPE:	154	case SC_SPEC_ESCAPE:
155	break;	155	break;
156	case SC_LEFTARR:	156	case SC_LEFTARR:
157	indev_push_character(stdin, 0x1b);	157	indev_push_character(stdin, 0x1b);
158	indev_push_character(stdin, 0x5b);	158	indev_push_character(stdin, 0x5b);
159	indev_push_character(stdin, 0x44);	159	indev_push_character(stdin, 0x44);
160	break;	160	break;
161	case SC_RIGHTARR:	161	case SC_RIGHTARR:
162	indev_push_character(stdin, 0x1b);	162	indev_push_character(stdin, 0x1b);
163	indev_push_character(stdin, 0x5b);	163	indev_push_character(stdin, 0x5b);
164	indev_push_character(stdin, 0x43);	164	indev_push_character(stdin, 0x43);
165	break;	165	break;
166	case SC_UPARR:	166	case SC_UPARR:
167	indev_push_character(stdin, 0x1b);	167	indev_push_character(stdin, 0x1b);
168	indev_push_character(stdin, 0x5b);	168	indev_push_character(stdin, 0x5b);
169	indev_push_character(stdin, 0x41);	169	indev_push_character(stdin, 0x41);
170	break;	170	break;
171	case SC_DOWNARR:	171	case SC_DOWNARR:
172	indev_push_character(stdin, 0x1b);	172	indev_push_character(stdin, 0x1b);
173	indev_push_character(stdin, 0x5b);	173	indev_push_character(stdin, 0x5b);
174	indev_push_character(stdin, 0x42);	174	indev_push_character(stdin, 0x42);
175	break;	175	break;
176	case SC_HOME:	176	case SC_HOME:
177	indev_push_character(stdin, 0x1b);	177	indev_push_character(stdin, 0x1b);
178	indev_push_character(stdin, 0x4f);	178	indev_push_character(stdin, 0x4f);
179	indev_push_character(stdin, 0x48);	179	indev_push_character(stdin, 0x48);
180	break;	180	break;
181	case SC_END:	181	case SC_END:
182	indev_push_character(stdin, 0x1b);	182	indev_push_character(stdin, 0x1b);
183	indev_push_character(stdin, 0x4f);	183	indev_push_character(stdin, 0x4f);
184	indev_push_character(stdin, 0x46);	184	indev_push_character(stdin, 0x46);
185	break;	185	break;
186	case SC_DELETE:	186	case SC_DELETE:
187	indev_push_character(stdin, 0x1b);	187	indev_push_character(stdin, 0x1b);
188	indev_push_character(stdin, 0x5b);	188	indev_push_character(stdin, 0x5b);
189	indev_push_character(stdin, 0x33);	189	indev_push_character(stdin, 0x33);
190	indev_push_character(stdin, 0x7e);	190	indev_push_character(stdin, 0x7e);
191	break;	191	break;
192	default:	192	default:
193	letter = islower(ascii);	193	letter = islower(ascii);
194	capslock = (keyflags & PRESSED_CAPSLOCK) \|\|	194	capslock = (keyflags & PRESSED_CAPSLOCK) \|\|
195	(lockflags & LOCKED_CAPSLOCK);	195	(lockflags & LOCKED_CAPSLOCK);
196	shift = keyflags & PRESSED_SHIFT;	196	shift = keyflags & PRESSED_SHIFT;
197	if (letter && capslock)	197	if (letter && capslock)
198	shift = !shift;	198	shift = !shift;
199	if (shift)	199	if (shift)
200	map = sc_secondary_map;	200	map = sc_secondary_map;
201	indev_push_character(stdin, map[sc]);	201	indev_push_character(stdin, map[sc]);
202	break;	202	break;
203	}	203	}
204	spinlock_unlock(&keylock);	204	spinlock_unlock(&keylock);
205	}	205	}
206		206
207	/** @}	207	/** @}
208	*/	208	*/
209		209

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(root)/branches/dynload/kernel/genarch/src/kbrd/kbrd.c – Rev 4092 → 4346