source: mainline/kernel/arch/sparc64/src/console.c@ 208fa65

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 208fa65 was 253f35a1, checked in by Jakub Jermar <jakub@…>, 19 years ago

sparc64 work.

  • Changes to enable userspace keyboard drivers.
  • Fix z8530 initialization (i.e. clear any pending Tx interrupts).
  • Experimental support for framebuffers with inverted colors.
  • Property mode set to 100644
File size: 2.9 KB
Line 
1/*
2 * Copyright (C) 2005 Jakub 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
29/** @addtogroup sparc64
30 * @{
31 */
32/** @file
33 */
34
35#include <arch/console.h>
36#include <arch/types.h>
37#include <typedefs.h>
38#include <genarch/fb/fb.h>
39#include <arch/drivers/fb.h>
40
41#include <arch/drivers/kbd.h>
42#ifdef CONFIG_Z8530
43#include <genarch/kbd/z8530.h>
44#endif
45#ifdef CONFIG_NS16550
46#include <genarch/kbd/ns16550.h>
47#endif
48
49#include <console/chardev.h>
50#include <console/console.h>
51#include <arch/asm.h>
52#include <arch/register.h>
53#include <proc/thread.h>
54#include <arch/mm/tlb.h>
55#include <arch/boot/boot.h>
56
57#define KEYBOARD_POLL_PAUSE 50000 /* 50ms */
58
59/** Initialize kernel console to use framebuffer and keyboard directly. */
60void standalone_sparc64_console_init(void)
61{
62 stdin = NULL;
63
64 fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height,
65 bootinfo.screen.bpp, bootinfo.screen.scanline, true);
66
67#ifdef KBD_ADDR_OVRD
68 if (!bootinfo.keyboard.addr)
69 bootinfo.keyboard.addr = KBD_ADDR_OVRD;
70#endif
71
72 if (bootinfo.keyboard.addr)
73 kbd_init();
74}
75
76/** Kernel thread for polling keyboard.
77 *
78 * @param arg Ignored.
79 */
80void kkbdpoll(void *arg)
81{
82 if (!bootinfo.keyboard.addr)
83 return;
84
85 while (1) {
86#ifdef CONFIG_Z8530
87 return;
88#endif
89#ifdef CONFIG_NS16550
90 ns16550_poll();
91#endif
92 thread_usleep(KEYBOARD_POLL_PAUSE);
93 }
94}
95
96/** Acquire console back for kernel
97 *
98 */
99void arch_grab_console(void)
100{
101#ifdef CONFIG_Z8530
102 z8530_grab();
103#endif
104}
105
106/** Return console to userspace
107 *
108 */
109void arch_release_console(void)
110{
111#ifdef CONFIG_Z8530
112 z8530_release();
113#endif
114}
115/** @}
116 */
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