WebSVN – HelenOS – Diff – /branches/dynload/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)
{
#ifdef CONFIG_FB
    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("Cannot find property 'screen'.");
    if (!prop->value)
        panic("Cannot find screen alias.");
    screen = ofw_tree_lookup(prop->value);
    if (!screen)
        panic("Cannot find %s.", prop->value);
 
    scr_init(screen);
 
    prop = ofw_tree_getprop(aliases, "keyboard");
    if (!prop)
        panic("Cannot find property 'keyboard'.");
    if (!prop->value)
        panic("Cannot find keyboard alias.");
    keyboard = ofw_tree_lookup(prop->value);
    if (!keyboard)
        panic("Cannot find %s.", prop->value);
 
    kbd_init(keyboard);
#else
    panic("Standard console requires FB, "
          "but the kernel is not compiled with FB support.");
#endif
}
 
/** 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("Cannot find '/aliases'.");
   
    /* "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);
 
 
    if (kbd_type != KBD_SGCN)
 
 
 
        return;
 
 
 
 
 
 
 
 
 
 
 
 
 
    while (1) {
 
 
 
 
 
 
#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)
{
#ifdef CONFIG_FB
    scr_redraw();
#endif
    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 4342	Rev 4343
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	#ifdef CONFIG_FB	72	#ifdef CONFIG_FB
73	stdin = NULL;	73	stdin = NULL;
74		74
75	ofw_tree_property_t *prop;	75	ofw_tree_property_t *prop;
76	ofw_tree_node_t *screen;	76	ofw_tree_node_t *screen;
77	ofw_tree_node_t *keyboard;	77	ofw_tree_node_t *keyboard;
78		78
79	prop = ofw_tree_getprop(aliases, "screen");	79	prop = ofw_tree_getprop(aliases, "screen");
80	if (!prop)	80	if (!prop)
81	panic("Cannot find property 'screen'.");	81	panic("Cannot find property 'screen'.");
82	if (!prop->value)	82	if (!prop->value)
83	panic("Cannot find screen alias.");	83	panic("Cannot find screen alias.");
84	screen = ofw_tree_lookup(prop->value);	84	screen = ofw_tree_lookup(prop->value);
85	if (!screen)	85	if (!screen)
86	panic("Cannot find %s.", prop->value);	86	panic("Cannot find %s.", prop->value);
87		87
88	scr_init(screen);	88	scr_init(screen);
89		89
90	prop = ofw_tree_getprop(aliases, "keyboard");	90	prop = ofw_tree_getprop(aliases, "keyboard");
91	if (!prop)	91	if (!prop)
92	panic("Cannot find property 'keyboard'.");	92	panic("Cannot find property 'keyboard'.");
93	if (!prop->value)	93	if (!prop->value)
94	panic("Cannot find keyboard alias.");	94	panic("Cannot find keyboard alias.");
95	keyboard = ofw_tree_lookup(prop->value);	95	keyboard = ofw_tree_lookup(prop->value);
96	if (!keyboard)	96	if (!keyboard)
97	panic("Cannot find %s.", prop->value);	97	panic("Cannot find %s.", prop->value);
98		98
99	kbd_init(keyboard);	99	kbd_init(keyboard);
100	#else	100	#else
101	panic("Standard console requires FB, "	101	panic("Standard console requires FB, "
102	"but the kernel is not compiled with FB support.");	102	"but the kernel is not compiled with FB support.");
103	#endif	103	#endif
104	}	104	}
105		105
106	/** Initilize I/O on the Serengeti machine. */	106	/** Initilize I/O on the Serengeti machine. */
107	static void serengeti_init(void)	107	static void serengeti_init(void)
108	{	108	{
109	sgcn_init();	109	sgcn_init();
110	}	110	}
111		111
112	/**	112	/**
113	* Initialize input/output. Auto-detects the type of machine	113	* Initialize input/output. Auto-detects the type of machine
114	* and calls the appropriate I/O init routine.	114	* and calls the appropriate I/O init routine.
115	*/	115	*/
116	void standalone_sparc64_console_init(void)	116	void standalone_sparc64_console_init(void)
117	{	117	{
118	ofw_tree_node_t *aliases;	118	ofw_tree_node_t *aliases;
119	ofw_tree_property_t *prop;	119	ofw_tree_property_t *prop;
120		120
121	aliases = ofw_tree_lookup("/aliases");	121	aliases = ofw_tree_lookup("/aliases");
122	if (!aliases)	122	if (!aliases)
123	panic("Cannot find '/aliases'.");	123	panic("Cannot find '/aliases'.");
124		124
125	/* "def-cn" = "default console" */	125	/* "def-cn" = "default console" */
126	prop = ofw_tree_getprop(aliases, "def-cn");	126	prop = ofw_tree_getprop(aliases, "def-cn");
127		127
128	if ((!prop) \|\| (!prop->value) \|\| (strcmp(prop->value, "/sgcn") != 0)) {	128	if ((!prop) \|\| (!prop->value) \|\| (strcmp(prop->value, "/sgcn") != 0)) {
129	standard_console_init(aliases);	129	standard_console_init(aliases);
130	} else {	130	} else {
131	serengeti_init();	131	serengeti_init();
132	}	132	}
133	}	133	}
134		134
135		135
136	/** Kernel thread for polling keyboard.	136	/** Kernel thread for polling keyboard.
137	*	137	*
138	* @param arg Ignored.	138	* @param arg Ignored.
139	*/	139	*/
140	void kkbdpoll(void *arg)	140	void kkbdpoll(void *arg)
141	{	141	{
142	thread_detach(THREAD);	142	thread_detach(THREAD);
143		143
144	#ifdef CONFIG_Z8530	-
145	if (kbd_type == KBD_Z8530) {	144	if (kbd_type != KBD_SGCN)
146	/*	-
147	* The z8530 driver is interrupt-driven.	-
148	*/	-
149	return;	145	return;
150	}	-
151	#endif	-
152		146
153	#ifdef CONFIG_NS16550	-
154	#ifdef CONFIG_NS16550_INTERRUPT_DRIVEN	-
155	if (kbd_type == KBD_NS16550) {	-
156	/*	-
157	* The ns16550 driver is interrupt-driven.	-
158	*/	-
159	return;	-
160	}	-
161	#endif	-
162	#endif	-
163	while (1) {	147	while (1) {
164	#ifdef CONFIG_NS16550	-
165	#ifndef CONFIG_NS16550_INTERRUPT_DRIVEN	-
166	if (kbd_type == KBD_NS16550)	-
167	ns16550_poll();	-
168	#endif	-
169	#endif	-
170	#ifdef CONFIG_SGCN	148	#ifdef CONFIG_SGCN
171	if (kbd_type == KBD_SGCN)	149	if (kbd_type == KBD_SGCN)
172	sgcn_poll();	150	sgcn_poll();
173	#endif	151	#endif
174	thread_usleep(KEYBOARD_POLL_PAUSE);	152	thread_usleep(KEYBOARD_POLL_PAUSE);
175	}	153	}
176	}	154	}
177		155
178	/** Acquire console back for kernel	156	/** Acquire console back for kernel
179	*	157	*
180	*/	158	*/
181	void arch_grab_console(void)	159	void arch_grab_console(void)
182	{	160	{
183	#ifdef CONFIG_FB	161	#ifdef CONFIG_FB
184	scr_redraw();	162	scr_redraw();
185	#endif	163	#endif
186	switch (kbd_type) {	164	switch (kbd_type) {
187	#ifdef CONFIG_Z8530	165	#ifdef CONFIG_Z8530
188	case KBD_Z8530:	166	case KBD_Z8530:
189	z8530_grab();	167	z8530_grab();
190	break;	168	break;
191	#endif	169	#endif
192	#ifdef CONFIG_NS16550	170	#ifdef CONFIG_NS16550
193	case KBD_NS16550:	171	case KBD_NS16550:
194	ns16550_grab();	172	ns16550_grab();
195	break;	173	break;
196	#endif	174	#endif
197	#ifdef CONFIG_SGCN	175	#ifdef CONFIG_SGCN
198	case KBD_SGCN:	176	case KBD_SGCN:
199	sgcn_grab();	177	sgcn_grab();
200	break;	178	break;
201	#endif	179	#endif
202	default:	180	default:
203	break;	181	break;
204	}	182	}
205	}	183	}
206		184
207	/** Return console to userspace	185	/** Return console to userspace
208	*	186	*
209	*/	187	*/
210	void arch_release_console(void)	188	void arch_release_console(void)
211	{	189	{
212	switch (kbd_type) {	190	switch (kbd_type) {
213	#ifdef CONFIG_Z8530	191	#ifdef CONFIG_Z8530
214	case KBD_Z8530:	192	case KBD_Z8530:
215	z8530_release();	193	z8530_release();
216	break;	194	break;
217	#endif	195	#endif
218	#ifdef CONFIG_NS16550	196	#ifdef CONFIG_NS16550
219	case KBD_NS16550:	197	case KBD_NS16550:
220	ns16550_release();	198	ns16550_release();
221	break;	199	break;
222	#endif	200	#endif
223	#ifdef CONFIG_SGCN	201	#ifdef CONFIG_SGCN
224	case KBD_SGCN:	202	case KBD_SGCN:
225	sgcn_release();	203	sgcn_release();
226	break;	204	break;
227	#endif	205	#endif
228	default:	206	default:
229	break;	207	break;
230	}	208	}
231	}	209	}
232		210
233	/** @}	211	/** @}
234	*/	212	*/
235		213

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(root)/branches/dynload/kernel/arch/sparc64/src/console.c – Rev 4342 → 4343