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426 jermar 1
/*
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 * Copyright (c) 2005 Jakub Jermar
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup sparc64
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 * @{
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 */
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/** @file
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 */
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#include <arch/console.h>
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#include <arch/types.h>
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#include <arch/drivers/scr.h>
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#include <arch/drivers/kbd.h>
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#include <arch/drivers/sgcn.h>
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#if defined (SUN4U)
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    #ifdef CONFIG_Z8530
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    #include <genarch/kbd/z8530.h>
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    #endif
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    #ifdef CONFIG_NS16550
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    #include <genarch/kbd/ns16550.h>
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    #endif
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#elif defined (SUN4V)
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    #include <arch/drivers/niagara.h>
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#endif
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#include <console/chardev.h>
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#include <console/console.h>
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#include <arch/asm.h>
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#include <arch/register.h>
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#include <proc/thread.h>
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#include <arch/mm/tlb.h>
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#include <genarch/ofw/ofw_tree.h>
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#include <arch.h>
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#include <panic.h>
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#include <func.h>
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#include <print.h>
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#define KEYBOARD_POLL_PAUSE 50000   /* 50ms */
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/** Kernel thread for polling keyboard.
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 *
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 * @param arg Ignored.
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 */
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void kkbdpoll(void *arg)
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{
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    thread_detach(THREAD);
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#ifdef CONFIG_Z8530
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    if (kbd_type == KBD_Z8530) {
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        /*
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         * The z8530 driver is interrupt-driven.
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         */
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        return;
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    }
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#endif
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#ifdef CONFIG_NS16550
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#ifdef CONFIG_NS16550_INTERRUPT_DRIVEN
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    if (kbd_type == KBD_NS16550) {
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        /*
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         * The ns16550 driver is interrupt-driven.
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         */
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        return;
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    }
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#endif
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#endif
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    while (1) {
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#ifdef CONFIG_NS16550
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#ifndef CONFIG_NS16550_INTERRUPT_DRIVEN
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        if (kbd_type == KBD_NS16550)
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            ns16550_poll();
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#endif
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#endif
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#ifdef CONFIG_SGCN
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        if (kbd_type == KBD_SGCN)
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            sgcn_poll();
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#endif
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#ifdef SUN4V
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        if (kbd_type == KBD_SUN4V)
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            niagara_poll();
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#endif
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        thread_usleep(KEYBOARD_POLL_PAUSE);
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    }
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}
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/** @}
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 */