/* * Copyright (C) 2003-2007 Anders Gavare. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * * $Id: lk201.c,v 1.29 2007/06/15 20:11:27 debug Exp $ * * COMMENT: LK201 keyboard and mouse, used by the dc7085 and scc controllers */ #include #include #include #include "console.h" #include "devices.h" #include "machine.h" #include "misc.h" #include "dc7085.h" /* for port names */ #include "lk201.h" /* * lk201_convert_ascii_to_keybcode(): * * Converts ascii console input to LK201 keyboard scan codes, and adds * those scancodes using the add_to_rx_queue() function. */ void lk201_convert_ascii_to_keybcode(struct lk201_data *d, unsigned char ch) { int i, found=-1, shifted = 0, controlled = 0; if (d->keyb_buf_pos > 0 && d->keyb_buf_pos < (int)sizeof(d->keyb_buf)) { /* Escape sequence: */ d->keyb_buf[d->keyb_buf_pos] = ch; d->keyb_buf_pos ++; if (d->keyb_buf_pos == 2) { if (ch == '[') return; d->keyb_buf_pos = 0; /* not esc+[, output as normal key */ } else { /* Inside an esc+[ sequence */ switch (ch) { case 'A': found = 0xaa; /* Up */ break; case 'B': found = 0xa9; /* Down */ break; case 'C': found = 0xa8; /* Right */ break; case 'D': found = 0xa7; /* Left */ break; /* TODO: pageup, pagedown, ... */ default: ; } d->keyb_buf_pos = 0; } } else d->keyb_buf_pos = 0; if (found == -1) { switch (ch) { case '\b': found = 0xbc; break; case '\n': case '\r': found = 0xbd; break; case '\t': found = 0xbe; break; case 27: /* esc */ d->keyb_buf[0] = 27; d->keyb_buf_pos = 1; return; default: if (ch >= 1 && ch <= 26) { ch = 'a' + ch - 1; controlled = 1; } shifted = 0; for (i=0; i<256; i++) { /* Skip numeric digits, so that the normal digits are used instead. */ if (i >= 0x92 && i<=0xa0) continue; if (unshiftedAscii[i] == ch) { found = i; break; } } if (found == -1) { /* unshift ch: */ if (ch >= 'A' && ch <= 'Z') ch = ch + ('a' - 'A'); for (i=0; i<256; i++) if (shiftedAscii[i] == ch) { found = i; shifted = 1; break; } } } } if (!shifted) d->add_to_rx_queue(d->add_data, KEY_UP, DCKBD_PORT); else { d->add_to_rx_queue(d->add_data, KEY_UP, DCKBD_PORT); d->add_to_rx_queue(d->add_data, KEY_SHIFT, DCKBD_PORT); } if (controlled) d->add_to_rx_queue(d->add_data, KEY_CONTROL, DCKBD_PORT); /* Send the actual scan code: */ d->add_to_rx_queue(d->add_data, found, DCKBD_PORT); /* Release the key: */ d->add_to_rx_queue(d->add_data, KEY_UP, DCKBD_PORT); } /* * lk201_send_mouse_update_sequence(): * * mouse_x, _y, _buttons contains the coordinates on the host's display, the * "goal" of where we want to move. * * d->mouse_x, _y, _buttons contain the last values transmitted to the * emulated machine. */ static int lk201_send_mouse_update_sequence(struct lk201_data *d, int mouse_x, int mouse_y, int mouse_buttons, int mouse_fb_nr) { int xsign, xdelta, ysign, ydelta, m; xdelta = mouse_x - d->mouse_x; ydelta = mouse_y - d->mouse_y; /* If no change, then don't send any update! */ if (xdelta == 0 && ydelta == 0 && d->mouse_buttons == mouse_buttons) return 0; m = 20; if (xdelta > m) xdelta = m; if (xdelta < -m) xdelta = -m; if (ydelta > m) ydelta = m; if (ydelta < -m) ydelta = -m; d->mouse_x += xdelta; d->mouse_y += ydelta; d->mouse_buttons = mouse_buttons; /* * TODO: Update d->mouse_framebuffer_nr some way! */ xsign = xdelta < 0? 1 : 0; ysign = ydelta < 0? 1 : 0; switch (d->mouse_mode) { case 0: /* Do nothing (before the mouse is initialized) */ return 0; case MOUSE_INCREMENTAL: if (xdelta < 0) xdelta = -xdelta; if (ydelta < 0) ydelta = -ydelta; /* Reverse sign of x: (this is needed for some reason) */ xsign ^= 1; d->add_to_rx_queue(d->add_data, MOUSE_START_FRAME + MOUSE_X_SIGN*xsign + MOUSE_Y_SIGN*ysign + (mouse_buttons & 7), DCMOUSE_PORT); d->add_to_rx_queue(d->add_data, xdelta, DCMOUSE_PORT); d->add_to_rx_queue(d->add_data, ydelta, DCMOUSE_PORT); break; default: /* TODO: prompt mode and perhaps more stuff */ fatal("[ lk201: mouse mode 0x%02x unknown: TODO ]\n", d->mouse_mode); exit(1); } return 1; } /* * lk201_tick(): * * This function should be called "every now and then". * If a key is available from the keyboard, add it to the rx queue. * If other bits are set, an interrupt might need to be caused. */ void lk201_tick(struct machine *machine, struct lk201_data *d) { int mouse_x, mouse_y, mouse_buttons, mouse_fb_nr; if (console_charavail(d->console_handle)) { unsigned char ch = console_readchar(d->console_handle); if (d->use_fb) lk201_convert_ascii_to_keybcode(d, ch); else { /* * This is ugly, but necessary because different * machines seem to use different ports for their * serial console: * * DEC MIPSMATE 5100 uses the keyboard port. * DECstation 3100 (PMAX) and 5000/2000 (3MAX) use * the printer port. * Others seem to use the comm port. */ if (machine->machine_type == MACHINE_PMAX) { switch (machine->machine_subtype) { case MACHINE_DEC_MIPSMATE_5100: d->add_to_rx_queue(d->add_data, ch, DCKBD_PORT); break; case MACHINE_DEC_PMAX_3100: case MACHINE_DEC_3MAX_5000: d->add_to_rx_queue(d->add_data, ch, DCPRINTER_PORT); break; default: d->add_to_rx_queue(d->add_data, ch, DCCOMM_PORT); } } else { d->add_to_rx_queue(d->add_data, ch, DCCOMM_PORT); } } } /* Don't do mouse updates if we're running in serial console mode: */ if (!d->use_fb) return; console_getmouse(&mouse_x, &mouse_y, &mouse_buttons, &mouse_fb_nr); lk201_send_mouse_update_sequence(d, mouse_x, mouse_y, mouse_buttons, mouse_fb_nr); } void lk201_tx_data(struct lk201_data *d, int port, int idata) { switch (port) { case DCKBD_PORT: /* port 0 */ if (!d->use_fb) { /* Simply print the character to stdout: */ console_putchar(d->console_handle, idata); } else { switch (idata) { case LK_LED_DISABLE: /* 0x11 */ break; case LK_LED_ENABLE: /* 0x13 */ break; case LK_BELL_ENABLE: /* 0x23 */ break; case LED_1: case LED_2: break; case LED_3: break; case LED_4: break; case LK_KBD_ENABLE: /* 0x8b */ break; case LED_ALL: /* 0x8f */ break; case LK_RING_BELL: /* 0xa7 */ break; case 0xab: /* Get Keyboard ID: */ /* * First byte: * 1 = LK201 * 2 = LK401 * 3 = LK443 * 4 = LK421 * * TODO: What about the second byte? */ d->add_to_rx_queue(d->add_data, 0x01, DCKBD_PORT); d->add_to_rx_queue(d->add_data, 0x22, DCKBD_PORT); break; case LK_DEFAULTS: /* 0xd3 */ /* TODO? */ break; case 0xfd: /* Keyboard self-test: */ /* Suitable return values according to Mach/PMAX source code: */ d->add_to_rx_queue(d->add_data, 0x01, DCKBD_PORT); d->add_to_rx_queue(d->add_data, 0x00, DCKBD_PORT); d->add_to_rx_queue(d->add_data, 0x00, DCKBD_PORT); d->add_to_rx_queue(d->add_data, 0x00, DCKBD_PORT); break; default: debug("[ lk201: keyboard control: 0x%x ]\n", idata); } } break; case DCMOUSE_PORT: /* port 1 */ debug("[ lk201: writing data to MOUSE: 0x%x", idata); if (idata == MOUSE_INCREMENTAL) { d->mouse_mode = MOUSE_INCREMENTAL; } else if (idata == MOUSE_SELF_TEST) { /* * Mouse self-test: * * TODO: Find out if this is correct. The lowest * four bits of the second byte should be * 0x2, according to NetBSD/pmax. But the * other bits and bytes? */ debug(" (mouse self-test request)"); d->add_to_rx_queue(d->add_data, 0xa0 | d->mouse_revision, DCMOUSE_PORT); d->add_to_rx_queue(d->add_data, 0x02, DCMOUSE_PORT); d->add_to_rx_queue(d->add_data, 0x00, DCMOUSE_PORT); d->add_to_rx_queue(d->add_data, 0x00, DCMOUSE_PORT); } else debug(" UNKNOWN byte; TODO"); debug(" ]\n"); break; case DCCOMM_PORT: /* port 2 */ case DCPRINTER_PORT: /* port 3 */ /* Simply print the character to stdout: */ console_putchar(d->console_handle, idata); } } /* * lk201_init(): * * Initialize lk201 keyboard/mouse settings. */ void lk201_init(struct lk201_data *d, int use_fb, void (*add_to_rx_queue)(void *,int,int), int console_handle, void *add_data) { memset(d, 0, sizeof(struct lk201_data)); d->add_to_rx_queue = add_to_rx_queue; d->add_data = add_data; d->use_fb = use_fb; d->mouse_mode = 0; d->mouse_revision = 0; /* 0..15 */ d->console_handle = console_handle; }