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/* |
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* Copyright (C) 2003-2005 Anders Gavare. 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 are met: |
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* |
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* 1. 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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* 2. 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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* 3. 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 AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* |
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* $Id: lk201.c,v 1.25 2005/12/26 14:14:38 debug Exp $ |
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* |
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* LK201 keyboard and mouse specifics, used by the dc7085 and scc serial |
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* controller devices. |
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*/ |
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|
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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|
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#include "console.h" |
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#include "devices.h" |
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#include "misc.h" |
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|
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#include "dc7085.h" /* for port names */ |
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#include "lk201.h" |
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|
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|
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/* |
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* lk201_convert_ascii_to_keybcode(): |
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* |
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* Converts ascii console input to LK201 keyboard scan codes, and adds |
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* those scancodes using the add_to_rx_queue() function. |
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*/ |
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void lk201_convert_ascii_to_keybcode(struct lk201_data *d, unsigned char ch) |
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{ |
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int i, found=-1, shifted = 0, controlled = 0; |
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|
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if (d->keyb_buf_pos > 0 && d->keyb_buf_pos < (int)sizeof(d->keyb_buf)) { |
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/* Escape sequence: */ |
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d->keyb_buf[d->keyb_buf_pos] = ch; |
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d->keyb_buf_pos ++; |
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|
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if (d->keyb_buf_pos == 2) { |
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if (ch == '[') |
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return; |
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d->keyb_buf_pos = 0; |
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/* not esc+[, output as normal key */ |
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} else { |
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/* Inside an esc+[ sequence */ |
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|
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switch (ch) { |
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case 'A': found = 0xaa; /* Up */ break; |
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case 'B': found = 0xa9; /* Down */ break; |
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case 'C': found = 0xa8; /* Right */ break; |
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case 'D': found = 0xa7; /* Left */ break; |
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/* TODO: pageup, pagedown, ... */ |
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default: |
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; |
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} |
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|
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d->keyb_buf_pos = 0; |
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} |
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} else |
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d->keyb_buf_pos = 0; |
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|
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if (found == -1) { |
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switch (ch) { |
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case '\b': |
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found = 0xbc; |
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break; |
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case '\n': |
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case '\r': |
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found = 0xbd; |
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break; |
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case '\t': |
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found = 0xbe; |
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break; |
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case 27: /* esc */ |
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d->keyb_buf[0] = 27; |
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d->keyb_buf_pos = 1; |
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return; |
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default: |
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if (ch >= 1 && ch <= 26) { |
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ch = 'a' + ch - 1; |
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controlled = 1; |
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} |
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|
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shifted = 0; |
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for (i=0; i<256; i++) { |
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/* Skip numeric digits, so that the normal |
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digits are used instead. */ |
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if (i >= 0x92 && i<=0xa0) |
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continue; |
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|
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if (unshiftedAscii[i] == ch) { |
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found = i; |
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break; |
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} |
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} |
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|
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if (found == -1) { |
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/* unshift ch: */ |
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if (ch >= 'A' && ch <= 'Z') |
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ch = ch + ('a' - 'A'); |
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for (i=0; i<256; i++) |
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if (shiftedAscii[i] == ch) { |
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found = i; |
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shifted = 1; |
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break; |
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} |
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} |
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} |
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} |
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|
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if (!shifted) |
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d->add_to_rx_queue(d->add_data, KEY_UP, DCKBD_PORT); |
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else { |
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d->add_to_rx_queue(d->add_data, KEY_UP, DCKBD_PORT); |
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d->add_to_rx_queue(d->add_data, KEY_SHIFT, DCKBD_PORT); |
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} |
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|
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if (controlled) |
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d->add_to_rx_queue(d->add_data, KEY_CONTROL, DCKBD_PORT); |
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|
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/* Send the actual scan code: */ |
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d->add_to_rx_queue(d->add_data, found, DCKBD_PORT); |
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|
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/* Release the key: */ |
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d->add_to_rx_queue(d->add_data, KEY_UP, DCKBD_PORT); |
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} |
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|
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|
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/* |
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* lk201_send_mouse_update_sequence(): |
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* |
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* mouse_x,y,buttons contains the coordinates on the host's display, the |
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* "goal" of where we want to move. d->mouse_* contains the current state. |
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* |
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* TODO: Comment this better. |
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*/ |
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void lk201_send_mouse_update_sequence(struct lk201_data *d, int mouse_x, |
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int mouse_y, int mouse_buttons, int mouse_fb_nr) |
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{ |
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int xsign, xdelta, ysign, ydelta, m; |
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int framebuffer_nr; |
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|
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if (d->old_host_mouse_x == mouse_x && |
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d->old_host_mouse_y == mouse_y) |
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d->old_host_mouse_stays_put ++; |
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else |
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d->old_host_mouse_stays_put = 0; |
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|
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d->old_host_mouse_x = mouse_x; |
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d->old_host_mouse_y = mouse_y; |
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|
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if (d->old_host_mouse_stays_put > 400 && |
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d->mouse_buttons == mouse_buttons) |
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return; |
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|
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console_get_framebuffer_mouse(&d->mouse_x, &d->mouse_y, |
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&framebuffer_nr); |
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|
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xdelta = mouse_x - d->mouse_x; |
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ydelta = mouse_y - d->mouse_y; |
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|
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/* |
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* If the last framebuffer cursor placement was not in the |
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* same window as the last host cursor movement, then we |
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* we have to move to the leftmost extreme or rightmost |
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* extreme: |
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*/ |
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if (framebuffer_nr != mouse_fb_nr) { |
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if (mouse_fb_nr > framebuffer_nr) |
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xdelta = 2000; |
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if (mouse_fb_nr < framebuffer_nr) |
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xdelta = -2000; |
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} |
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|
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/* If no change, then don't send any update! */ |
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if (xdelta == 0 && ydelta == 0 && d->mouse_buttons == mouse_buttons) |
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return; |
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|
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m = 4 >> (d->old_host_mouse_stays_put / 30); |
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if (m < 1) |
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m = 1; |
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|
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if (xdelta > m) |
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xdelta = m; |
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if (xdelta < -m) |
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xdelta = -m; |
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if (ydelta > m) |
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ydelta = m; |
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if (ydelta < -m) |
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ydelta = -m; |
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|
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xsign = xdelta < 0? 1 : 0; |
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ysign = ydelta < 0? 1 : 0; |
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|
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d->mouse_x += xdelta; |
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d->mouse_y += ydelta; |
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d->mouse_buttons = mouse_buttons; |
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|
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switch (d->mouse_mode) { |
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case 0: |
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/* Do nothing (before the mouse is initialized) */ |
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break; |
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case MOUSE_INCREMENTAL: |
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if (xdelta < 0) |
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xdelta = -xdelta; |
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if (ydelta < 0) |
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ydelta = -ydelta; |
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|
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/* Reverse sign of x: (this is needed for some reason) */ |
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xsign ^= 1; |
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|
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d->add_to_rx_queue(d->add_data, MOUSE_START_FRAME + |
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MOUSE_X_SIGN*xsign + MOUSE_Y_SIGN*ysign + |
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(mouse_buttons & 7), DCMOUSE_PORT); |
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d->add_to_rx_queue(d->add_data, xdelta, DCMOUSE_PORT); |
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d->add_to_rx_queue(d->add_data, ydelta, DCMOUSE_PORT); |
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break; |
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default: |
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/* TODO: prompt mode and perhaps more stuff */ |
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fatal("[ lk201: mouse mode 0x%02x unknown: TODO ]\n", |
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d->mouse_mode); |
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} |
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} |
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|
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|
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/* |
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* lk201_tick(): |
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* |
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* This function should be called "every now and then". |
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* If a key is available from the keyboard, add it to the rx queue. |
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* If other bits are set, an interrupt might need to be caused. |
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*/ |
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void lk201_tick(struct lk201_data *d) |
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{ |
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int mouse_x, mouse_y, mouse_buttons, mouse_fb_nr; |
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|
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if (console_charavail(d->console_handle)) { |
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unsigned char ch = console_readchar(d->console_handle); |
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if (d->use_fb) |
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lk201_convert_ascii_to_keybcode(d, ch); |
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else { |
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/* |
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* This is ugly, but necessary because different |
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* machines seem to use different ports for their |
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* serial console: |
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* |
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* DEC MIPSMATE 5100 uses the keyboard port. |
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* DECstation 3100 (PMAX) uses the printer port. |
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* All others seem to use the comm port. |
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*/ |
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d->add_to_rx_queue(d->add_data, ch, DCKBD_PORT); |
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d->add_to_rx_queue(d->add_data, ch, DCCOMM_PORT); |
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d->add_to_rx_queue(d->add_data, ch, DCPRINTER_PORT); |
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} |
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} |
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|
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/* Don't do mouse updates if we're running in serial console mode: */ |
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if (!d->use_fb) |
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return; |
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|
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d->mouse_check_interval --; |
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if (d->mouse_check_interval <= 0) { |
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d->mouse_check_interval = |
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d->mouse_check_interval_reset; |
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|
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/* |
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* Check for mouse updates: |
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* |
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* Note: mouse_{x,y} are where the mouse is |
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* on the host's display. |
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*/ |
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console_getmouse(&mouse_x, &mouse_y, &mouse_buttons, |
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&mouse_fb_nr); |
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|
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if (mouse_x != d->mouse_x || mouse_y != d->mouse_y || |
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mouse_buttons != d->mouse_buttons) |
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lk201_send_mouse_update_sequence(d, mouse_x, mouse_y, |
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mouse_buttons, mouse_fb_nr); |
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} |
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} |
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|
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|
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void lk201_tx_data(struct lk201_data *d, int port, int idata) |
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{ |
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switch (port) { |
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case DCKBD_PORT: /* port 0 */ |
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if (!d->use_fb) { |
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/* Simply print the character to stdout: */ |
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console_putchar(d->console_handle, idata); |
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} else { |
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switch (idata) { |
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case LK_LED_DISABLE: /* 0x11 */ |
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break; |
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case LK_LED_ENABLE: /* 0x13 */ |
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break; |
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case LK_BELL_ENABLE: /* 0x23 */ |
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break; |
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case LED_1: |
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case LED_2: |
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break; |
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case LED_3: |
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break; |
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case LED_4: |
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break; |
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case LK_KBD_ENABLE: /* 0x8b */ |
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break; |
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case LED_ALL: /* 0x8f */ |
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break; |
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case LK_RING_BELL: /* 0xa7 */ |
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break; |
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case 0xab: /* Get Keyboard ID: */ |
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/* |
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* First byte: |
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* 1 = LK201 |
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* 2 = LK401 |
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* 3 = LK443 |
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* 4 = LK421 |
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* |
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* TODO: What about the second byte? |
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*/ |
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d->add_to_rx_queue(d->add_data, |
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0x01, DCKBD_PORT); |
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d->add_to_rx_queue(d->add_data, |
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0x22, DCKBD_PORT); |
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break; |
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case LK_DEFAULTS: /* 0xd3 */ |
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/* TODO? */ |
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break; |
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case 0xfd: /* Keyboard self-test: */ |
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/* Suitable return values according to |
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Mach/PMAX source code: */ |
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d->add_to_rx_queue(d->add_data, |
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0x01, DCKBD_PORT); |
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d->add_to_rx_queue(d->add_data, |
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0x00, DCKBD_PORT); |
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d->add_to_rx_queue(d->add_data, |
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0x00, DCKBD_PORT); |
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d->add_to_rx_queue(d->add_data, |
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0x00, DCKBD_PORT); |
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break; |
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default: |
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debug("[ lk201: keyboard control: 0x%x ]\n", |
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idata); |
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} |
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} |
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break; |
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case DCMOUSE_PORT: /* port 1 */ |
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debug("[ lk201: writing data to MOUSE: 0x%x", idata); |
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if (idata == MOUSE_INCREMENTAL) { |
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d->mouse_mode = MOUSE_INCREMENTAL; |
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} else if (idata == MOUSE_SELF_TEST) { |
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/* |
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* Mouse self-test: |
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* |
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* TODO: Find out if this is correct. The lowest |
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* four bits of the second byte should be |
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* 0x2, according to NetBSD/pmax. But the |
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* other bits and bytes? |
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*/ |
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debug(" (mouse self-test request)"); |
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d->add_to_rx_queue(d->add_data, |
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0xa0 | d->mouse_revision, DCMOUSE_PORT); |
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d->add_to_rx_queue(d->add_data, 0x02, DCMOUSE_PORT); |
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d->add_to_rx_queue(d->add_data, 0x00, DCMOUSE_PORT); |
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d->add_to_rx_queue(d->add_data, 0x00, DCMOUSE_PORT); |
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} else |
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debug(" UNKNOWN byte; TODO"); |
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debug(" ]\n"); |
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break; |
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case DCCOMM_PORT: /* port 2 */ |
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case DCPRINTER_PORT: /* port 3 */ |
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/* Simply print the character to stdout: */ |
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console_putchar(d->console_handle, idata); |
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} |
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} |
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|
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|
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/* |
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* lk201_init(): |
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* |
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* Initialize lk201 keyboard/mouse settings. |
| 404 |
*/ |
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void lk201_init(struct lk201_data *d, int use_fb, |
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void (*add_to_rx_queue)(void *,int,int), |
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int console_handle, void *add_data) |
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{ |
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memset(d, 0, sizeof(struct lk201_data)); |
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|
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d->add_to_rx_queue = add_to_rx_queue; |
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d->add_data = add_data; |
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|
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d->use_fb = use_fb; |
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d->mouse_mode = 0; |
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d->mouse_revision = 0; /* 0..15 */ |
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d->console_handle = console_handle; |
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|
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d->mouse_check_interval_reset = 1 << 3; |
| 420 |
} |
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