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

Rev	Author	Line No.	Line
426	jermar	1	/*
2071	jermar	2	* Copyright (c) 2005 Jakub Jermar
426	jermar	3	* All rights reserved.
		4	*
		5	* Redistribution and use in source and binary forms, with or without
		6	* modification, are permitted provided that the following conditions
		7	* are met:
		8	*
		9	* - Redistributions of source code must retain the above copyright
		10	* notice, this list of conditions and the following disclaimer.
		11	* - Redistributions in binary form must reproduce the above copyright
		12	* notice, this list of conditions and the following disclaimer in the
		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
		15	* derived from this software without specific prior written permission.
		16	*
		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
		19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
		20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
		21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
		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
		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
		26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
		27	*/
		28
1769	jermar	29	/** @addtogroup sparc64
1702	cejka	30	* @{
		31	*/
		32	/** @file
		33	*/
		34
586	jermar	35	#include <arch/console.h>
669	jermar	36	#include <arch/types.h>
1842	jermar	37
1897	jermar	38	#include <arch/drivers/scr.h>
1842	jermar	39	#include <arch/drivers/kbd.h>
3672	jermar	40	#include <arch/drivers/sgcn.h>
4071	jermar	41	#include <genarch/srln/srln.h>
893	jermar	42	#include <console/chardev.h>
		43	#include <console/console.h>
		44	#include <arch/asm.h>
		45	#include <arch/register.h>
		46	#include <proc/thread.h>
897	jermar	47	#include <arch/mm/tlb.h>
1896	jermar	48	#include <genarch/ofw/ofw_tree.h>
1880	jermar	49	#include <arch.h>
1896	jermar	50	#include <panic.h>
4011	svoboda	51	#include <string.h>
1896	jermar	52	#include <print.h>
426	jermar	53
895	jermar	54	#define KEYBOARD_POLL_PAUSE 50000 /* 50ms */
		55
3672	jermar	56	/**
		57	* Initialize kernel console to use framebuffer and keyboard directly.
		58	* Called on UltraSPARC machines with standard keyboard and framebuffer.
		59	*
		60	* @param aliases the "/aliases" OBP node
		61	*/
		62	static void standard_console_init(ofw_tree_node_t *aliases)
893	jermar	63	{
3865	rimsky	64	#ifdef CONFIG_FB
1896	jermar	65	ofw_tree_property_t *prop;
		66	ofw_tree_node_t *screen;
		67	ofw_tree_node_t *keyboard;
		68
		69	prop = ofw_tree_getprop(aliases, "screen");
		70	if (!prop)
3790	svoboda	71	panic("Cannot find property 'screen'.");
1896	jermar	72	if (!prop->value)
3790	svoboda	73	panic("Cannot find screen alias.");
1896	jermar	74	screen = ofw_tree_lookup(prop->value);
		75	if (!screen)
3790	svoboda	76	panic("Cannot find %s.", prop->value);
1896	jermar	77
1897	jermar	78	scr_init(screen);
		79
1896	jermar	80	prop = ofw_tree_getprop(aliases, "keyboard");
		81	if (!prop)
3790	svoboda	82	panic("Cannot find property 'keyboard'.");
1896	jermar	83	if (!prop->value)
3790	svoboda	84	panic("Cannot find keyboard alias.");
1896	jermar	85	keyboard = ofw_tree_lookup(prop->value);
		86	if (!keyboard)
3790	svoboda	87	panic("Cannot find %s.", prop->value);
897	jermar	88
1896	jermar	89	kbd_init(keyboard);
3865	rimsky	90	#else
		91	panic("Standard console requires FB, "
		92	"but the kernel is not compiled with FB support.");
		93	#endif
586	jermar	94	}
893	jermar	95
3672	jermar	96	/** Initilize I/O on the Serengeti machine. */
		97	static void serengeti_init(void)
		98	{
4111	jermar	99	#ifdef CONFIG_SGCN_KBD
		100	indev_t *kbrdin;
		101	kbrdin = sgcnin_init();
		102	if (kbrdin)
		103	srlnin_init(kbrdin);
4072	jermar	104	#endif
4111	jermar	105	#ifdef CONFIG_SGCN_PRN
		106	sgcnout_init();
		107	#endif
3672	jermar	108	}
		109
		110	/**
		111	* Initialize input/output. Auto-detects the type of machine
		112	* and calls the appropriate I/O init routine.
		113	*/
		114	void standalone_sparc64_console_init(void)
		115	{
		116	ofw_tree_node_t *aliases;
		117	ofw_tree_property_t *prop;
		118
		119	aliases = ofw_tree_lookup("/aliases");
		120	if (!aliases)
3790	svoboda	121	panic("Cannot find '/aliases'.");
3672	jermar	122
		123	/* "def-cn" = "default console" */
		124	prop = ofw_tree_getprop(aliases, "def-cn");
		125
		126	if ((!prop) \|\| (!prop->value) \|\| (strcmp(prop->value, "/sgcn") != 0)) {
		127	standard_console_init(aliases);
		128	} else {
		129	serengeti_init();
		130	}
		131	}
		132
		133
1875	jermar	134	/** Acquire console back for kernel
		135	*
		136	*/
		137	void arch_grab_console(void)
		138	{
3865	rimsky	139	#ifdef CONFIG_FB
3740	jermar	140	scr_redraw();
3865	rimsky	141	#endif
1931	jermar	142	switch (kbd_type) {
3672	jermar	143	#ifdef CONFIG_SGCN
		144	case KBD_SGCN:
		145	sgcn_grab();
		146	break;
		147	#endif
1931	jermar	148	default:
		149	break;
		150	}
1875	jermar	151	}
		152
		153	/** Return console to userspace
		154	*
		155	*/
		156	void arch_release_console(void)
		157	{
1931	jermar	158	switch (kbd_type) {
3672	jermar	159	#ifdef CONFIG_SGCN
		160	case KBD_SGCN:
		161	sgcn_release();
		162	break;
		163	#endif
1931	jermar	164	default:
		165	break;
		166	}
1875	jermar	167	}
1888	jermar	168
1769	jermar	169	/** @}
1702	cejka	170	*/

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(root)/trunk/kernel/arch/sparc64/src/console.c @ 2071 – Rev 4111