WebSVN – HelenOS – Diff – /branches/sparc/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 <arch/drivers/scr.h>
#include <arch/drivers/kbd.h>
 
#include <arch/drivers/sgcn.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 <func.h>
#include <print.h>
 
#define KEYBOARD_POLL_PAUSE 50000   /* 50ms */
 
/**
 * Initialize kernel console to use framebuffer and keyboard directly.
 * Called on UltraSPARC machines with standard keyboard and framebuffer.
 *
 * @param aliases   the "/aliases" OBP node
 */
static void standard_console_init(ofw_tree_node_t *aliases)
{
    stdin = NULL;
 
    ofw_tree_property_t *prop;
    ofw_tree_node_t *screen;
    ofw_tree_node_t *keyboard;
   
    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);
}
 
/** Initilize I/O on the Serengeti machine. */
static void serengeti_init(void)
{
    sgcn_init();
}
 
/**
 * Initialize input/output. Auto-detects the type of machine
 * and calls the appropriate I/O init routine.
 */
void standalone_sparc64_console_init(void)
{
    ofw_tree_node_t *aliases;
    ofw_tree_property_t *prop;
   
    aliases = ofw_tree_lookup("/aliases");
    if (!aliases)
        panic("Can't find /aliases.\n");
   
    /* "def-cn" = "default console" */
    prop = ofw_tree_getprop(aliases, "def-cn");
   
    if ((!prop) || (!prop->value) || (strcmp(prop->value, "/sgcn") != 0)) {
        standard_console_init(aliases);
    } else {
        serengeti_init();
    }
}
 
 
/** 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
 
#ifdef CONFIG_NS16550
#ifdef CONFIG_NS16550_INTERRUPT_DRIVEN
    if (kbd_type == KBD_NS16550) {
        /*
         * The ns16550 driver is interrupt-driven.
         */
        return;
    }
#endif
#endif
    while (1) {
#ifdef CONFIG_NS16550
#ifndef CONFIG_NS16550_INTERRUPT_DRIVEN
        if (kbd_type == KBD_NS16550)
            ns16550_poll();
#endif
#endif
#ifdef CONFIG_SGCN
        if (kbd_type == KBD_SGCN)
            sgcn_poll();
#endif
        thread_usleep(KEYBOARD_POLL_PAUSE);
    }
}
 
/** Acquire console back for kernel
 *
 */
void arch_grab_console(void)
{
    scr_redraw();
    switch (kbd_type) {
#ifdef CONFIG_Z8530
    case KBD_Z8530:
        z8530_grab();
        break;
#endif
#ifdef CONFIG_NS16550
    case KBD_NS16550:
        ns16550_grab();
        break;
#endif
#ifdef CONFIG_SGCN
    case KBD_SGCN:
        sgcn_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
#ifdef CONFIG_SGCN
    case KBD_SGCN:
        sgcn_release();
        break;
#endif
    default:
        break;
    }
}
 
/** @}
 */
 

Rev 3742	Rev 3745
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		37
38	#include <arch/drivers/scr.h>	38	#include <arch/drivers/scr.h>
39	#include <arch/drivers/kbd.h>	39	#include <arch/drivers/kbd.h>
40		40
41	#include <arch/drivers/sgcn.h>	41	#include <arch/drivers/sgcn.h>
42		42
43	#ifdef CONFIG_Z8530	43	#ifdef CONFIG_Z8530
44	#include <genarch/kbd/z8530.h>	44	#include <genarch/kbd/z8530.h>
45	#endif	45	#endif
46	#ifdef CONFIG_NS16550	46	#ifdef CONFIG_NS16550
47	#include <genarch/kbd/ns16550.h>	47	#include <genarch/kbd/ns16550.h>
48	#endif	48	#endif
49		49
50	#include <console/chardev.h>	50	#include <console/chardev.h>
51	#include <console/console.h>	51	#include <console/console.h>
52	#include <arch/asm.h>	52	#include <arch/asm.h>
53	#include <arch/register.h>	53	#include <arch/register.h>
54	#include <proc/thread.h>	54	#include <proc/thread.h>
55	#include <arch/mm/tlb.h>	55	#include <arch/mm/tlb.h>
56	#include <genarch/ofw/ofw_tree.h>	56	#include <genarch/ofw/ofw_tree.h>
57	#include <arch.h>	57	#include <arch.h>
58	#include <panic.h>	58	#include <panic.h>
59	#include <func.h>	59	#include <func.h>
60	#include <print.h>	60	#include <print.h>
61		61
62	#define KEYBOARD_POLL_PAUSE 50000 /* 50ms */	62	#define KEYBOARD_POLL_PAUSE 50000 /* 50ms */
63		63
64	/**	64	/**
65	* Initialize kernel console to use framebuffer and keyboard directly.	65	* Initialize kernel console to use framebuffer and keyboard directly.
66	* Called on UltraSPARC machines with standard keyboard and framebuffer.	66	* Called on UltraSPARC machines with standard keyboard and framebuffer.
67	*	67	*
68	* @param aliases the "/aliases" OBP node	68	* @param aliases the "/aliases" OBP node
69	*/	69	*/
70	static void standard_console_init(ofw_tree_node_t *aliases)	70	static void standard_console_init(ofw_tree_node_t *aliases)
71	{	71	{
72	stdin = NULL;	72	stdin = NULL;
73		73
74	ofw_tree_property_t *prop;	74	ofw_tree_property_t *prop;
75	ofw_tree_node_t *screen;	75	ofw_tree_node_t *screen;
76	ofw_tree_node_t *keyboard;	76	ofw_tree_node_t *keyboard;
77		77
78	prop = ofw_tree_getprop(aliases, "screen");	78	prop = ofw_tree_getprop(aliases, "screen");
79	if (!prop)	79	if (!prop)
80	panic("Can't find property \"screen\".\n");	80	panic("Can't find property \"screen\".\n");
81	if (!prop->value)	81	if (!prop->value)
82	panic("Can't find screen alias.\n");	82	panic("Can't find screen alias.\n");
83	screen = ofw_tree_lookup(prop->value);	83	screen = ofw_tree_lookup(prop->value);
84	if (!screen)	84	if (!screen)
85	panic("Can't find %s\n", prop->value);	85	panic("Can't find %s\n", prop->value);
86		86
87	scr_init(screen);	87	scr_init(screen);
88		88
89	prop = ofw_tree_getprop(aliases, "keyboard");	89	prop = ofw_tree_getprop(aliases, "keyboard");
90	if (!prop)	90	if (!prop)
91	panic("Can't find property \"keyboard\".\n");	91	panic("Can't find property \"keyboard\".\n");
92	if (!prop->value)	92	if (!prop->value)
93	panic("Can't find keyboard alias.\n");	93	panic("Can't find keyboard alias.\n");
94	keyboard = ofw_tree_lookup(prop->value);	94	keyboard = ofw_tree_lookup(prop->value);
95	if (!keyboard)	95	if (!keyboard)
96	panic("Can't find %s\n", prop->value);	96	panic("Can't find %s\n", prop->value);
97		97
98	kbd_init(keyboard);	98	kbd_init(keyboard);
99	}	99	}
100		100
101	/** Initilize I/O on the Serengeti machine. */	101	/** Initilize I/O on the Serengeti machine. */
102	static void serengeti_init(void)	102	static void serengeti_init(void)
103	{	103	{
104	sgcn_init();	104	sgcn_init();
105	}	105	}
106		106
107	/**	107	/**
108	* Initialize input/output. Auto-detects the type of machine	108	* Initialize input/output. Auto-detects the type of machine
109	* and calls the appropriate I/O init routine.	109	* and calls the appropriate I/O init routine.
110	*/	110	*/
111	void standalone_sparc64_console_init(void)	111	void standalone_sparc64_console_init(void)
112	{	112	{
113	ofw_tree_node_t *aliases;	113	ofw_tree_node_t *aliases;
114	ofw_tree_property_t *prop;	114	ofw_tree_property_t *prop;
115		115
116	aliases = ofw_tree_lookup("/aliases");	116	aliases = ofw_tree_lookup("/aliases");
117	if (!aliases)	117	if (!aliases)
118	panic("Can't find /aliases.\n");	118	panic("Can't find /aliases.\n");
119		119
120	/* "def-cn" = "default console" */	120	/* "def-cn" = "default console" */
121	prop = ofw_tree_getprop(aliases, "def-cn");	121	prop = ofw_tree_getprop(aliases, "def-cn");
122		122
123	if ((!prop) \|\| (!prop->value) \|\| (strcmp(prop->value, "/sgcn") != 0)) {	123	if ((!prop) \|\| (!prop->value) \|\| (strcmp(prop->value, "/sgcn") != 0)) {
124	standard_console_init(aliases);	124	standard_console_init(aliases);
125	} else {	125	} else {
126	serengeti_init();	126	serengeti_init();
127	}	127	}
128	}	128	}
129		129
130		130
131	/** Kernel thread for polling keyboard.	131	/** Kernel thread for polling keyboard.
132	*	132	*
133	* @param arg Ignored.	133	* @param arg Ignored.
134	*/	134	*/
135	void kkbdpoll(void *arg)	135	void kkbdpoll(void *arg)
136	{	136	{
137	thread_detach(THREAD);	137	thread_detach(THREAD);
138		138
139	#ifdef CONFIG_Z8530	139	#ifdef CONFIG_Z8530
140	if (kbd_type == KBD_Z8530) {	140	if (kbd_type == KBD_Z8530) {
141	/*	141	/*
142	* The z8530 driver is interrupt-driven.	142	* The z8530 driver is interrupt-driven.
143	*/	143	*/
144	return;	144	return;
145	}	145	}
146	#endif	146	#endif
147		147
148	#ifdef CONFIG_NS16550	148	#ifdef CONFIG_NS16550
149	#ifdef CONFIG_NS16550_INTERRUPT_DRIVEN	149	#ifdef CONFIG_NS16550_INTERRUPT_DRIVEN
150	if (kbd_type == KBD_NS16550) {	150	if (kbd_type == KBD_NS16550) {
151	/*	151	/*
152	* The ns16550 driver is interrupt-driven.	152	* The ns16550 driver is interrupt-driven.
153	*/	153	*/
154	return;	154	return;
155	}	155	}
156	#endif	156	#endif
157	#endif	157	#endif
158	while (1) {	158	while (1) {
159	#ifdef CONFIG_NS16550	159	#ifdef CONFIG_NS16550
160	#ifndef CONFIG_NS16550_INTERRUPT_DRIVEN	160	#ifndef CONFIG_NS16550_INTERRUPT_DRIVEN
161	if (kbd_type == KBD_NS16550)	161	if (kbd_type == KBD_NS16550)
162	ns16550_poll();	162	ns16550_poll();
163	#endif	163	#endif
164	#endif	164	#endif
165	#ifdef CONFIG_SGCN	165	#ifdef CONFIG_SGCN
166	if (kbd_type == KBD_SGCN)	166	if (kbd_type == KBD_SGCN)
167	sgcn_poll();	167	sgcn_poll();
168	#endif	168	#endif
169	thread_usleep(KEYBOARD_POLL_PAUSE);	169	thread_usleep(KEYBOARD_POLL_PAUSE);
170	}	170	}
171	}	171	}
172		172
173	/** Acquire console back for kernel	173	/** Acquire console back for kernel
174	*	174	*
175	*/	175	*/
176	void arch_grab_console(void)	176	void arch_grab_console(void)
177	{	177	{
-		178	scr_redraw();
178	switch (kbd_type) {	179	switch (kbd_type) {
179	#ifdef CONFIG_Z8530	180	#ifdef CONFIG_Z8530
180	case KBD_Z8530:	181	case KBD_Z8530:
181	z8530_grab();	182	z8530_grab();
182	break;	183	break;
183	#endif	184	#endif
184	#ifdef CONFIG_NS16550	185	#ifdef CONFIG_NS16550
185	case KBD_NS16550:	186	case KBD_NS16550:
186	ns16550_grab();	187	ns16550_grab();
187	break;	188	break;
188	#endif	189	#endif
189	#ifdef CONFIG_SGCN	190	#ifdef CONFIG_SGCN
190	case KBD_SGCN:	191	case KBD_SGCN:
191	sgcn_grab();	192	sgcn_grab();
192	break;	193	break;
193	#endif	194	#endif
194	default:	195	default:
195	break;	196	break;
196	}	197	}
197	}	198	}
198		199
199	/** Return console to userspace	200	/** Return console to userspace
200	*	201	*
201	*/	202	*/
202	void arch_release_console(void)	203	void arch_release_console(void)
203	{	204	{
204	switch (kbd_type) {	205	switch (kbd_type) {
205	#ifdef CONFIG_Z8530	206	#ifdef CONFIG_Z8530
206	case KBD_Z8530:	207	case KBD_Z8530:
207	z8530_release();	208	z8530_release();
208	break;	209	break;
209	#endif	210	#endif
210	#ifdef CONFIG_NS16550	211	#ifdef CONFIG_NS16550
211	case KBD_NS16550:	212	case KBD_NS16550:
212	ns16550_release();	213	ns16550_release();
213	break;	214	break;
214	#endif	215	#endif
215	#ifdef CONFIG_SGCN	216	#ifdef CONFIG_SGCN
216	case KBD_SGCN:	217	case KBD_SGCN:
217	sgcn_release();	218	sgcn_release();
218	break;	219	break;
219	#endif	220	#endif
220	default:	221	default:
221	break;	222	break;
222	}	223	}
223	}	224	}
224		225
225	/** @}	226	/** @}
226	*/	227	*/
227		228

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(root)/branches/sparc/kernel/arch/sparc64/src/console.c – Rev 3742 → 3745