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1797 decky 1 
/*
2071 jermar 2 
 * Copyright (c) 2006 Martin Decky
1797 decky 3 
 * 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 kbdsparc64 sparc64
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 * @brief   HelenOS sparc64 arch dependent parts of uspace keyboard handler.
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 * @ingroup  kbd
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 * @{
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 */
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/** @file
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 */
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#include <arch/kbd.h>
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#include <arch/sgcn.h>
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#include <arch/niagara.h>
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#include <ipc/ipc.h>
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#include <sysinfo.h>
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#include <kbd.h>
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#include <keys.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <genarch/kbd.h>
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#define KBD_KEY_RELEASE     0x80
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#define KBD_ALL_KEYS_UP     0x7f
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/** Top-half pseudocode for z8530. */
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irq_cmd_t z8530_cmds[] = {
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    {
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        CMD_MEM_READ_1,
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        0,          /**< Address. Will be patched in run-time. */
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        0,          /**< Value. Not used. */
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        1           /**< Arg 1 will contain the result. */
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    }
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};
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irq_code_t z8530_kbd = {
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    1,
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    z8530_cmds
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};
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/** Top-half pseudocode for ns16550. */
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irq_cmd_t ns16550_cmds[] = {
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    {
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        CMD_MEM_READ_1,
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        0,          /**< Address. Will be patched in run-time. */
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        0,          /**< Value. Not used. */
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        1           /**< Arg 1 will contain the result. */
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    }
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};
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irq_code_t ns16550_kbd = {
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    1,
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    ns16550_cmds
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};
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/** Top-half pseudocode for Niagara keyboard driver. */
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irq_cmd_t niagara_cmds[] = {
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    {
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        CMD_NIAGARA_GETCHAR,
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        0,          /**< Address. Not used. */
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        0,          /**< Value. Not used. */
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        1           /**< Arg 1 will contain the result. */
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    }
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};
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irq_code_t niagara_kbd = {
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    1,
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    niagara_cmds
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};
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#define KBD_Z8530   1
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#define KBD_NS16550 2
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#define KBD_SGCN    3
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#define KBD_SUN4V   4
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int kbd_arch_init(void)
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{
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    int type = sysinfo_value("kbd.type");
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    switch (type) {
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    case KBD_Z8530:
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        z8530_cmds[0].addr = (void *) sysinfo_value("kbd.address.virtual") + 6;
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        ipc_register_irq(sysinfo_value("kbd.inr"), sysinfo_value("kbd.devno"), 0, &z8530_kbd);
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        break;
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    case KBD_NS16550:
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        ns16550_cmds[0].addr = (void *) sysinfo_value("kbd.address.virtual");
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        ipc_register_irq(sysinfo_value("kbd.inr"), sysinfo_value("kbd.devno"), 0, &ns16550_kbd);
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        break;
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    case KBD_SGCN:
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        sgcn_init();
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        break;
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    case KBD_SUN4V:
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        ipc_register_irq(sysinfo_value("kbd.inr"), sysinfo_value("kbd.devno"), 0, &niagara_kbd);
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        break;
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    default:
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        break;
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    }
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    return 0;
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}
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/** Process keyboard events */
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int kbd_arch_process(keybuffer_t *keybuffer, ipc_call_t *call)
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{
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    if (sysinfo_value("kbd.type") == KBD_SGCN) {
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        sgcn_key_pressed();
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        return 1;
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    } else if (sysinfo_value("kbd.type") == KBD_SUN4V) {
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        char c = IPC_GET_ARG1(*call);
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        niagara_key_pressed(c);
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        return 1;
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    }
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    int scan_code = IPC_GET_ARG1(*call);
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    if (scan_code == KBD_ALL_KEYS_UP)
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        return 1;
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    if (scan_code & KBD_KEY_RELEASE)
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        key_released(keybuffer, scan_code ^ KBD_KEY_RELEASE);
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    else
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        key_pressed(keybuffer, scan_code);
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    return 1;
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}
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/** @}
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 */