WebSVN – HelenOS – Diff – /trunk/kernel/arch/sparc64/src/console.c


/*
 * Copyright (c) 2005 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 sparc64
 * @{
 */
/** @file
 */
 
#include <arch/console.h>
#include <arch/types.h>
#include <typedefs.h>
 
#include <arch/drivers/scr.h>
#include <arch/drivers/kbd.h>
 
#ifdef CONFIG_Z8530
#include <genarch/kbd/z8530.h>
#endif
#ifdef CONFIG_NS16550
#include <genarch/kbd/ns16550.h>
#endif
 
#include <console/chardev.h>
#include <console/console.h>
#include <arch/asm.h>
#include <arch/register.h>
#include <proc/thread.h>
#include <arch/mm/tlb.h>
#include <genarch/ofw/ofw_tree.h>
#include <arch.h>
#include <panic.h>
#include <print.h>
 
#define KEYBOARD_POLL_PAUSE 50000   /* 50ms */
 
/** Initialize kernel console to use framebuffer and keyboard directly. */
void standalone_sparc64_console_init(void)
{
    stdin = NULL;
 
    ofw_tree_node_t *aliases;
    ofw_tree_property_t *prop;
    ofw_tree_node_t *screen;
    ofw_tree_node_t *keyboard;
   
    aliases = ofw_tree_lookup("/aliases");
    if (!aliases)
        panic("Can't find /aliases.\n");
   
    prop = ofw_tree_getprop(aliases, "screen");
    if (!prop)
        panic("Can't find property \"screen\".\n");
    if (!prop->value)
        panic("Can't find screen alias.\n");
    screen = ofw_tree_lookup(prop->value);
    if (!screen)
        panic("Can't find %s\n", prop->value);
 
    scr_init(screen);
 
    prop = ofw_tree_getprop(aliases, "keyboard");
    if (!prop)
        panic("Can't find property \"keyboard\".\n");
    if (!prop->value)
        panic("Can't find keyboard alias.\n");
    keyboard = ofw_tree_lookup(prop->value);
    if (!keyboard)
        panic("Can't find %s\n", prop->value);
 
    kbd_init(keyboard);
}
 
/** Kernel thread for polling keyboard.
 *
 * @param arg Ignored.
 */
void kkbdpoll(void *arg)
{
    thread_detach(THREAD);
 
#ifdef CONFIG_Z8530
    if (kbd_type == KBD_Z8530) {
        /*
         * The z8530 driver is interrupt-driven.
         */
        return;
    }
#endif
 
    while (1) {
#ifdef CONFIG_NS16550
        if (kbd_type == KBD_NS16550)
            ns16550_poll();
#endif
        thread_usleep(KEYBOARD_POLL_PAUSE);
    }
}
 
/** Acquire console back for kernel
 *
 */
void arch_grab_console(void)
{
    switch (kbd_type) {
#ifdef CONFIG_Z8530
    case KBD_Z8530:
        z8530_grab();
        break;
#endif
#ifdef CONFIG_NS16550
    case KBD_NS16550:
        ns16550_grab();
        break;
#endif
    default:
        break;
    }
}
 
/** Return console to userspace
 *
 */
void arch_release_console(void)
{
    switch (kbd_type) {
#ifdef CONFIG_Z8530
    case KBD_Z8530:
        z8530_release();
        break;
#endif
#ifdef CONFIG_NS16550
    case KBD_NS16550:
        ns16550_release();
        break;
#endif
    default:
        break;
    }
}
 
/** @}
 */
 

Rev 1931	Rev 2071
1	/*	1	/*
2	* Copyright (C) 2005 Jakub Jermar	2	* Copyright (c) 2005 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 sparc64	29	/** @addtogroup sparc64
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#include <arch/console.h>	35	#include <arch/console.h>
36	#include <arch/types.h>	36	#include <arch/types.h>
37	#include <typedefs.h>	37	#include <typedefs.h>
38		38
39	#include <arch/drivers/scr.h>	39	#include <arch/drivers/scr.h>
40	#include <arch/drivers/kbd.h>	40	#include <arch/drivers/kbd.h>
41		41
42	#ifdef CONFIG_Z8530	42	#ifdef CONFIG_Z8530
43	#include <genarch/kbd/z8530.h>	43	#include <genarch/kbd/z8530.h>
44	#endif	44	#endif
45	#ifdef CONFIG_NS16550	45	#ifdef CONFIG_NS16550
46	#include <genarch/kbd/ns16550.h>	46	#include <genarch/kbd/ns16550.h>
47	#endif	47	#endif
48		48
49	#include <console/chardev.h>	49	#include <console/chardev.h>
50	#include <console/console.h>	50	#include <console/console.h>
51	#include <arch/asm.h>	51	#include <arch/asm.h>
52	#include <arch/register.h>	52	#include <arch/register.h>
53	#include <proc/thread.h>	53	#include <proc/thread.h>
54	#include <arch/mm/tlb.h>	54	#include <arch/mm/tlb.h>
55	#include <genarch/ofw/ofw_tree.h>	55	#include <genarch/ofw/ofw_tree.h>
56	#include <arch.h>	56	#include <arch.h>
57	#include <panic.h>	57	#include <panic.h>
58	#include <print.h>	58	#include <print.h>
59		59
60	#define KEYBOARD_POLL_PAUSE 50000 /* 50ms */	60	#define KEYBOARD_POLL_PAUSE 50000 /* 50ms */
61		61
62	/** Initialize kernel console to use framebuffer and keyboard directly. */	62	/** Initialize kernel console to use framebuffer and keyboard directly. */
63	void standalone_sparc64_console_init(void)	63	void standalone_sparc64_console_init(void)
64	{	64	{
65	stdin = NULL;	65	stdin = NULL;
66		66
67	ofw_tree_node_t *aliases;	67	ofw_tree_node_t *aliases;
68	ofw_tree_property_t *prop;	68	ofw_tree_property_t *prop;
69	ofw_tree_node_t *screen;	69	ofw_tree_node_t *screen;
70	ofw_tree_node_t *keyboard;	70	ofw_tree_node_t *keyboard;
71		71
72	aliases = ofw_tree_lookup("/aliases");	72	aliases = ofw_tree_lookup("/aliases");
73	if (!aliases)	73	if (!aliases)
74	panic("Can't find /aliases.\n");	74	panic("Can't find /aliases.\n");
75		75
76	prop = ofw_tree_getprop(aliases, "screen");	76	prop = ofw_tree_getprop(aliases, "screen");
77	if (!prop)	77	if (!prop)
78	panic("Can't find property \"screen\".\n");	78	panic("Can't find property \"screen\".\n");
79	if (!prop->value)	79	if (!prop->value)
80	panic("Can't find screen alias.\n");	80	panic("Can't find screen alias.\n");
81	screen = ofw_tree_lookup(prop->value);	81	screen = ofw_tree_lookup(prop->value);
82	if (!screen)	82	if (!screen)
83	panic("Can't find %s\n", prop->value);	83	panic("Can't find %s\n", prop->value);
84		84
85	scr_init(screen);	85	scr_init(screen);
86		86
87	prop = ofw_tree_getprop(aliases, "keyboard");	87	prop = ofw_tree_getprop(aliases, "keyboard");
88	if (!prop)	88	if (!prop)
89	panic("Can't find property \"keyboard\".\n");	89	panic("Can't find property \"keyboard\".\n");
90	if (!prop->value)	90	if (!prop->value)
91	panic("Can't find keyboard alias.\n");	91	panic("Can't find keyboard alias.\n");
92	keyboard = ofw_tree_lookup(prop->value);	92	keyboard = ofw_tree_lookup(prop->value);
93	if (!keyboard)	93	if (!keyboard)
94	panic("Can't find %s\n", prop->value);	94	panic("Can't find %s\n", prop->value);
95		95
96	kbd_init(keyboard);	96	kbd_init(keyboard);
97	}	97	}
98		98
99	/** Kernel thread for polling keyboard.	99	/** Kernel thread for polling keyboard.
100	*	100	*
101	* @param arg Ignored.	101	* @param arg Ignored.
102	*/	102	*/
103	void kkbdpoll(void *arg)	103	void kkbdpoll(void *arg)
104	{	104	{
105	thread_detach(THREAD);	105	thread_detach(THREAD);
106		106
107	#ifdef CONFIG_Z8530	107	#ifdef CONFIG_Z8530
108	if (kbd_type == KBD_Z8530) {	108	if (kbd_type == KBD_Z8530) {
109	/*	109	/*
110	* The z8530 driver is interrupt-driven.	110	* The z8530 driver is interrupt-driven.
111	*/	111	*/
112	return;	112	return;
113	}	113	}
114	#endif	114	#endif
115		115
116	while (1) {	116	while (1) {
117	#ifdef CONFIG_NS16550	117	#ifdef CONFIG_NS16550
118	if (kbd_type == KBD_NS16550)	118	if (kbd_type == KBD_NS16550)
119	ns16550_poll();	119	ns16550_poll();
120	#endif	120	#endif
121	thread_usleep(KEYBOARD_POLL_PAUSE);	121	thread_usleep(KEYBOARD_POLL_PAUSE);
122	}	122	}
123	}	123	}
124		124
125	/** Acquire console back for kernel	125	/** Acquire console back for kernel
126	*	126	*
127	*/	127	*/
128	void arch_grab_console(void)	128	void arch_grab_console(void)
129	{	129	{
130	switch (kbd_type) {	130	switch (kbd_type) {
131	#ifdef CONFIG_Z8530	131	#ifdef CONFIG_Z8530
132	case KBD_Z8530:	132	case KBD_Z8530:
133	z8530_grab();	133	z8530_grab();
134	break;	134	break;
135	#endif	135	#endif
136	#ifdef CONFIG_NS16550	136	#ifdef CONFIG_NS16550
137	case KBD_NS16550:	137	case KBD_NS16550:
138	ns16550_grab();	138	ns16550_grab();
139	break;	139	break;
140	#endif	140	#endif
141	default:	141	default:
142	break;	142	break;
143	}	143	}
144	}	144	}
145		145
146	/** Return console to userspace	146	/** Return console to userspace
147	*	147	*
148	*/	148	*/
149	void arch_release_console(void)	149	void arch_release_console(void)
150	{	150	{
151	switch (kbd_type) {	151	switch (kbd_type) {
152	#ifdef CONFIG_Z8530	152	#ifdef CONFIG_Z8530
153	case KBD_Z8530:	153	case KBD_Z8530:
154	z8530_release();	154	z8530_release();
155	break;	155	break;
156	#endif	156	#endif
157	#ifdef CONFIG_NS16550	157	#ifdef CONFIG_NS16550
158	case KBD_NS16550:	158	case KBD_NS16550:
159	ns16550_release();	159	ns16550_release();
160	break;	160	break;
161	#endif	161	#endif
162	default:	162	default:
163	break;	163	break;
164	}	164	}
165	}	165	}
166		166
167	/** @}	167	/** @}
168	*/	168	*/
169		169

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(root)/trunk/kernel/arch/sparc64/src/console.c – Rev 1931 → 2071