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/* |
/* |
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* Copyright (C) 2003-2005 Anders Gavare. All rights reserved. |
* Copyright (C) 2003-2006 Anders Gavare. All rights reserved. |
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* |
* |
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* Redistribution and use in source and binary forms, with or without |
* 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: |
* modification, are permitted provided that the following conditions are met: |
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* SUCH DAMAGE. |
* SUCH DAMAGE. |
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* |
* |
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* |
* |
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* $Id: dev_pckbc.c,v 1.37 2005/02/22 06:26:10 debug Exp $ |
* $Id: dev_pckbc.c,v 1.64 2006/01/01 13:17:16 debug Exp $ |
29 |
* |
* |
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* Standard 8042 PC keyboard controller, and a 8242WB PS2 keyboard/mouse |
* Standard 8042 PC keyboard controller (and a 8242WB PS2 keyboard/mouse |
31 |
* controller. |
* controller), including the 8048 keyboard chip. |
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* |
* |
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* |
* |
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* TODO: Finish the rewrite for 8242. |
* TODO: Finish the rewrite for 8242. |
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/* #define PCKBC_DEBUG */ |
/* #define PCKBC_DEBUG */ |
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/* #define debug fatal */ |
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#define MAX_8042_QUEUELEN 256 |
#define MAX_8042_QUEUELEN 256 |
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#define PS2 100 |
#define PS2 100 |
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#define PCKBC_TICKSHIFT 14 |
#define PCKBC_TICKSHIFT 15 |
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struct pckbc_data { |
struct pckbc_data { |
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int console_handle; |
int console_handle; |
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int in_use; |
int in_use; |
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int any_command_used; |
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int reg[DEV_PCKBC_LENGTH]; |
int reg[DEV_PCKBC_LENGTH]; |
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int keyboard_irqnr; |
int keyboard_irqnr; |
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int mouse_irqnr; |
int mouse_irqnr; |
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int currently_asserted[2]; |
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int type; |
int type; |
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int pc_style_flag; |
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/* TODO: one of these for each port? */ |
/* TODO: one of these for each port? */ |
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int clocksignal; |
int clocksignal; |
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int tx_int_enable; |
int tx_int_enable; |
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int keyscanning_enabled; |
int keyscanning_enabled; |
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int translation_table; |
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int state; |
int state; |
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int cmdbyte; |
int cmdbyte; |
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int output_byte; |
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int last_scancode; |
int last_scancode; |
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unsigned key_queue[2][MAX_8042_QUEUELEN]; |
unsigned key_queue[2][MAX_8042_QUEUELEN]; |
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#define STATE_LDCMDBYTE 1 |
#define STATE_LDCMDBYTE 1 |
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#define STATE_RDCMDBYTE 2 |
#define STATE_RDCMDBYTE 2 |
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#define STATE_WAITING_FOR_TRANSLTABLE 3 |
#define STATE_WAITING_FOR_TRANSLTABLE 3 |
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#define STATE_WAITING_FOR_F3 4 |
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#define STATE_WAITING_FOR_FC 5 |
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#define STATE_WAITING_FOR_AUX 6 |
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#define STATE_WAITING_FOR_AUX_OUT 7 |
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#define STATE_LDOUTPUT 8 |
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#define STATE_RDOUTPUT 9 |
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/* |
/* |
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{ |
{ |
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if (d->head[port] == d->tail[port]) |
if (d->head[port] == d->tail[port]) |
133 |
fatal("[ pckbc: queue empty, port %i! ]\n", port); |
fatal("[ pckbc: queue empty, port %i! ]\n", port); |
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else |
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d->tail[port] = (d->tail[port]+1) % MAX_8042_QUEUELEN; |
d->tail[port] = (d->tail[port]+1) % MAX_8042_QUEUELEN; |
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return d->key_queue[port][d->tail[port]]; |
return d->key_queue[port][d->tail[port]]; |
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} |
} |
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/* |
/* |
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* ascii_to_scancodes(): |
* ascii_to_scancodes_type3(): |
142 |
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* |
143 |
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* Conversion from ASCII codes to default (US) keyboard scancodes. |
144 |
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* (See http://www.computer-engineering.org/ps2keyboard/scancodes3.html) |
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*/ |
146 |
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static void ascii_to_pc_scancodes_type3(int a, struct pckbc_data *d) |
147 |
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{ |
148 |
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int old_head; |
149 |
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int p = 0; /* port */ |
150 |
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int shift = 0, ctrl = 0; |
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if (a >= 'A' && a <= 'Z') { a += 32; shift = 1; } |
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if ((a >= 1 && a <= 26) && (a!='\n' && a!='\t' && a!='\b' && a!='\r')) |
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{ a += 96; ctrl = 1; } |
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if (a=='!') { a = '1'; shift = 1; } |
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if (a=='@') { a = '2'; shift = 1; } |
157 |
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if (a=='#') { a = '3'; shift = 1; } |
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if (a=='$') { a = '4'; shift = 1; } |
159 |
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if (a=='%') { a = '5'; shift = 1; } |
160 |
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if (a=='^') { a = '6'; shift = 1; } |
161 |
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if (a=='&') { a = '7'; shift = 1; } |
162 |
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if (a=='*') { a = '8'; shift = 1; } |
163 |
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if (a=='(') { a = '9'; shift = 1; } |
164 |
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if (a==')') { a = '0'; shift = 1; } |
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if (a=='_') { a = '-'; shift = 1; } |
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if (a=='+') { a = '='; shift = 1; } |
167 |
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if (a=='{') { a = '['; shift = 1; } |
168 |
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if (a=='}') { a = ']'; shift = 1; } |
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if (a==':') { a = ';'; shift = 1; } |
170 |
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if (a=='"') { a = '\''; shift = 1; } |
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if (a=='|') { a = '\\'; shift = 1; } |
172 |
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if (a=='<') { a = ','; shift = 1; } |
173 |
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if (a=='>') { a = '.'; shift = 1; } |
174 |
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if (a=='?') { a = '/'; shift = 1; } |
175 |
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176 |
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if (shift) |
177 |
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pckbc_add_code(d, 0x12, p); |
178 |
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if (ctrl) |
179 |
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pckbc_add_code(d, 0x11, p); |
180 |
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181 |
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/* |
182 |
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* Note: The ugly hack used to add release codes for all of these |
183 |
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* keys is as follows: we remember how much of the kbd buf that |
184 |
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* is in use here, before we add any scancode. After we've added |
185 |
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* one or more scancodes (ie an optional shift + another key) |
186 |
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* then we add 0xf0 + the last scancode _if_ the kbd buf was altered. |
187 |
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*/ |
188 |
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189 |
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old_head = d->head[p]; |
190 |
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191 |
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if (a==27) pckbc_add_code(d, 0x08, p); |
192 |
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193 |
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if (a=='1') pckbc_add_code(d, 0x16, p); |
194 |
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if (a=='2') pckbc_add_code(d, 0x1e, p); |
195 |
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if (a=='3') pckbc_add_code(d, 0x26, p); |
196 |
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if (a=='4') pckbc_add_code(d, 0x25, p); |
197 |
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if (a=='5') pckbc_add_code(d, 0x2e, p); |
198 |
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if (a=='6') pckbc_add_code(d, 0x36, p); |
199 |
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if (a=='7') pckbc_add_code(d, 0x3d, p); |
200 |
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if (a=='8') pckbc_add_code(d, 0x3e, p); |
201 |
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if (a=='9') pckbc_add_code(d, 0x46, p); |
202 |
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if (a=='0') pckbc_add_code(d, 0x45, p); |
203 |
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if (a=='-') pckbc_add_code(d, 0x4e, p); |
204 |
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if (a=='=') pckbc_add_code(d, 0x55, p); |
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206 |
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if (a=='\b') pckbc_add_code(d, 0x29, p); |
207 |
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208 |
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if (a=='\t') pckbc_add_code(d, 0x0d, p); |
209 |
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if (a=='q') pckbc_add_code(d, 0x15, p); |
210 |
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if (a=='w') pckbc_add_code(d, 0x1d, p); |
211 |
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if (a=='e') pckbc_add_code(d, 0x24, p); |
212 |
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if (a=='r') pckbc_add_code(d, 0x2d, p); |
213 |
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if (a=='t') pckbc_add_code(d, 0x2c, p); |
214 |
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if (a=='y') pckbc_add_code(d, 0x35, p); |
215 |
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if (a=='u') pckbc_add_code(d, 0x3c, p); |
216 |
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if (a=='i') pckbc_add_code(d, 0x43, p); |
217 |
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if (a=='o') pckbc_add_code(d, 0x44, p); |
218 |
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if (a=='p') pckbc_add_code(d, 0x4d, p); |
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220 |
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if (a=='[') pckbc_add_code(d, 0x54, p); |
221 |
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if (a==']') pckbc_add_code(d, 0x5b, p); |
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223 |
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if (a=='\n' || a=='\r') pckbc_add_code(d, 0x5a, p); |
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225 |
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if (a=='a') pckbc_add_code(d, 0x1c, p); |
226 |
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if (a=='s') pckbc_add_code(d, 0x1b, p); |
227 |
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if (a=='d') pckbc_add_code(d, 0x23, p); |
228 |
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if (a=='f') pckbc_add_code(d, 0x2b, p); |
229 |
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if (a=='g') pckbc_add_code(d, 0x34, p); |
230 |
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if (a=='h') pckbc_add_code(d, 0x33, p); |
231 |
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if (a=='j') pckbc_add_code(d, 0x3b, p); |
232 |
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if (a=='k') pckbc_add_code(d, 0x42, p); |
233 |
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if (a=='l') pckbc_add_code(d, 0x4b, p); |
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235 |
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if (a==';') pckbc_add_code(d, 0x4c, p); |
236 |
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if (a=='\'') pckbc_add_code(d, 0x52, p); |
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/* if (a=='~') pckbc_add_code(d, 0x29, p); ? */ |
238 |
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if (a=='\\') pckbc_add_code(d, 0x5c, p); |
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240 |
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if (a=='z') pckbc_add_code(d, 0x1a, p); |
241 |
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if (a=='x') pckbc_add_code(d, 0x22, p); |
242 |
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if (a=='c') pckbc_add_code(d, 0x21, p); |
243 |
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if (a=='v') pckbc_add_code(d, 0x2a, p); |
244 |
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if (a=='b') pckbc_add_code(d, 0x32, p); |
245 |
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if (a=='n') pckbc_add_code(d, 0x31, p); |
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if (a=='m') pckbc_add_code(d, 0x3a, p); |
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248 |
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if (a==',') pckbc_add_code(d, 0x41, p); |
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if (a=='.') pckbc_add_code(d, 0x49, p); |
250 |
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if (a=='/') pckbc_add_code(d, 0x4a, p); |
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252 |
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if (a==' ') pckbc_add_code(d, 0x29, p); |
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254 |
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/* Add release code, if a key was pressed: */ |
255 |
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if (d->head[p] != old_head) { |
256 |
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int code = d->key_queue[p][d->head[p]]; |
257 |
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pckbc_add_code(d, 0xf0, p); |
258 |
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pckbc_add_code(d, code, p); |
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} |
260 |
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/* Release shift and ctrl: */ |
262 |
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if (shift) { |
263 |
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pckbc_add_code(d, 0xf0, p); |
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pckbc_add_code(d, 0x12, p); |
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} |
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if (ctrl) { |
267 |
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pckbc_add_code(d, 0xf0, p); |
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pckbc_add_code(d, 0x11, p); |
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} |
270 |
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} |
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273 |
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/* |
274 |
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* ascii_to_scancodes_type2(): |
275 |
* |
* |
276 |
* Conversion from ASCII codes to default (US) keyboard scancodes. |
* Conversion from ASCII codes to default (US) keyboard scancodes. |
277 |
* (See http://www.win.tue.nl/~aeb/linux/kbd/scancodes-1.html) |
* (See http://www.win.tue.nl/~aeb/linux/kbd/scancodes-1.html) |
278 |
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* |
279 |
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* NOTE/TODO: This seems to be type 2, not type 1. |
280 |
*/ |
*/ |
281 |
static void ascii_to_pc_scancodes(int a, struct pckbc_data *d) |
static void ascii_to_pc_scancodes_type2(int a, struct pckbc_data *d) |
282 |
{ |
{ |
283 |
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int old_head; |
284 |
int p = 0; /* port */ |
int p = 0; /* port */ |
285 |
int shift = 0, ctrl = 0; |
int shift = 0, ctrl = 0; |
286 |
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287 |
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if (d->translation_table == 3) { |
288 |
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ascii_to_pc_scancodes_type3(a, d); |
289 |
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return; |
290 |
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} |
291 |
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292 |
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if (d->translation_table != 2) { |
293 |
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fatal("[ ascii_to_pc_scancodes: unimplemented type! ]\n"); |
294 |
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return; |
295 |
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} |
296 |
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297 |
if (a >= 'A' && a <= 'Z') { a += 32; shift = 1; } |
if (a >= 'A' && a <= 'Z') { a += 32; shift = 1; } |
298 |
if ((a >= 1 && a <= 26) && (a!='\n' && a!='\t' && a!='\b' && a!='\r')) |
if ((a >= 1 && a <= 26) && (a!='\n' && a!='\t' && a!='\b' && a!='\r')) |
299 |
{ a += 96; ctrl = 1; } |
{ a += 96; ctrl = 1; } |
300 |
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301 |
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if (a=='!') { a = '1'; shift = 1; } |
302 |
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if (a=='@') { a = '2'; shift = 1; } |
303 |
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if (a=='#') { a = '3'; shift = 1; } |
304 |
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if (a=='$') { a = '4'; shift = 1; } |
305 |
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if (a=='%') { a = '5'; shift = 1; } |
306 |
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if (a=='^') { a = '6'; shift = 1; } |
307 |
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if (a=='&') { a = '7'; shift = 1; } |
308 |
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if (a=='*') { a = '8'; shift = 1; } |
309 |
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if (a=='(') { a = '9'; shift = 1; } |
310 |
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if (a==')') { a = '0'; shift = 1; } |
311 |
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if (a=='_') { a = '-'; shift = 1; } |
312 |
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if (a=='+') { a = '='; shift = 1; } |
313 |
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if (a=='{') { a = '['; shift = 1; } |
314 |
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if (a=='}') { a = ']'; shift = 1; } |
315 |
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if (a==':') { a = ';'; shift = 1; } |
316 |
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if (a=='"') { a = '\''; shift = 1; } |
317 |
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if (a=='|') { a = '\\'; shift = 1; } |
318 |
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if (a=='<') { a = ','; shift = 1; } |
319 |
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if (a=='>') { a = '.'; shift = 1; } |
320 |
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if (a=='?') { a = '/'; shift = 1; } |
321 |
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if (a=='~') { a = '`'; shift = 1; } |
322 |
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323 |
if (shift) |
if (shift) |
324 |
pckbc_add_code(d, 0x2a, p); |
pckbc_add_code(d, 0x2a, p); |
325 |
else |
else |
329 |
pckbc_add_code(d, 0x1d, p); |
pckbc_add_code(d, 0x1d, p); |
330 |
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331 |
/* |
/* |
332 |
* TODO: Release for all of these? |
* Note: The ugly hack used to add release codes for all of these |
333 |
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* keys is as follows: we remember how much of the kbd buf that |
334 |
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* is in use here, before we add any scancode. After we've added |
335 |
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* one or more scancodes (ie an optional shift + another key) |
336 |
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* then we duplicate the last scancode | 0x80 _if_ the kbd buf |
337 |
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* was altered. |
338 |
*/ |
*/ |
339 |
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340 |
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old_head = d->head[p]; |
341 |
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342 |
if (a==27) pckbc_add_code(d, 0x01, p); |
if (a==27) pckbc_add_code(d, 0x01, p); |
343 |
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344 |
if (a=='1') pckbc_add_code(d, 0x02, p); |
if (a=='1') pckbc_add_code(d, 0x02, p); |
372 |
pckbc_add_code(d, 0x09, p); } |
pckbc_add_code(d, 0x09, p); } |
373 |
if (a=='(') { pckbc_add_code(d, 0x2a, p); |
if (a=='(') { pckbc_add_code(d, 0x2a, p); |
374 |
pckbc_add_code(d, 0x0a, p); } |
pckbc_add_code(d, 0x0a, p); } |
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if (a==')') { pckbc_add_code(d, 0x2a, p); |
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pckbc_add_code(d, 0x0b, p); } |
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if (a=='_') { pckbc_add_code(d, 0x2a, p); |
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pckbc_add_code(d, 0x0c, p); } |
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if (a=='+') { pckbc_add_code(d, 0x2a, p); |
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pckbc_add_code(d, 0x0d, p); } |
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375 |
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376 |
if (a=='\b') pckbc_add_code(d, 0x0e, p); |
if (a=='\b') pckbc_add_code(d, 0x0e, p); |
377 |
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388 |
if (a=='p') pckbc_add_code(d, 0x19, p); |
if (a=='p') pckbc_add_code(d, 0x19, p); |
389 |
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390 |
if (a=='[') pckbc_add_code(d, 0x1a, p); |
if (a=='[') pckbc_add_code(d, 0x1a, p); |
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if (a=='{') { pckbc_add_code(d, 0x2a, p); |
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pckbc_add_code(d, 0x1a, p); } |
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391 |
if (a==']') pckbc_add_code(d, 0x1b, p); |
if (a==']') pckbc_add_code(d, 0x1b, p); |
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if (a=='}') { pckbc_add_code(d, 0x2a, p); |
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pckbc_add_code(d, 0x1b, p); } |
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392 |
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393 |
if (a=='\n' || a=='\r') pckbc_add_code(d, 0x1c, p); |
if (a=='\n' || a=='\r') pckbc_add_code(d, 0x1c, p); |
394 |
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403 |
if (a=='l') pckbc_add_code(d, 0x26, p); |
if (a=='l') pckbc_add_code(d, 0x26, p); |
404 |
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405 |
if (a==';') pckbc_add_code(d, 0x27, p); |
if (a==';') pckbc_add_code(d, 0x27, p); |
|
if (a==':') { pckbc_add_code(d, 0x2a, p); |
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pckbc_add_code(d, 0x27, p); } |
|
406 |
if (a=='\'') pckbc_add_code(d, 0x28, p); |
if (a=='\'') pckbc_add_code(d, 0x28, p); |
407 |
if (a=='"') { pckbc_add_code(d, 0x2a, p); |
if (a=='`') pckbc_add_code(d, 0x29, p); |
|
pckbc_add_code(d, 0x28, p); } |
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if (a=='~') pckbc_add_code(d, 0x29, p); |
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408 |
if (a=='\\') pckbc_add_code(d, 0x2b, p); |
if (a=='\\') pckbc_add_code(d, 0x2b, p); |
|
if (a=='|') { pckbc_add_code(d, 0x2a, p); |
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pckbc_add_code(d, 0x2b, p); } |
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409 |
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410 |
if (a=='z') pckbc_add_code(d, 0x2c, p); |
if (a=='z') pckbc_add_code(d, 0x2c, p); |
411 |
if (a=='x') pckbc_add_code(d, 0x2d, p); |
if (a=='x') pckbc_add_code(d, 0x2d, p); |
416 |
if (a=='m') pckbc_add_code(d, 0x32, p); |
if (a=='m') pckbc_add_code(d, 0x32, p); |
417 |
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418 |
if (a==',') pckbc_add_code(d, 0x33, p); |
if (a==',') pckbc_add_code(d, 0x33, p); |
|
if (a=='<') { pckbc_add_code(d, 0x2a, p); |
|
|
pckbc_add_code(d, 0x33, p); } |
|
419 |
if (a=='.') pckbc_add_code(d, 0x34, p); |
if (a=='.') pckbc_add_code(d, 0x34, p); |
|
if (a=='>') { pckbc_add_code(d, 0x2a, p); |
|
|
pckbc_add_code(d, 0x34, p); } |
|
420 |
if (a=='/') pckbc_add_code(d, 0x35, p); |
if (a=='/') pckbc_add_code(d, 0x35, p); |
|
if (a=='?') { pckbc_add_code(d, 0x2a, p); |
|
|
pckbc_add_code(d, 0x35, p); } |
|
421 |
|
|
422 |
if (a==' ') pckbc_add_code(d, 0x39, p); |
if (a==' ') pckbc_add_code(d, 0x39, p); |
423 |
|
|
424 |
|
/* Add release code, if a key was pressed: */ |
425 |
|
if (d->head[p] != old_head) { |
426 |
|
int code = d->key_queue[p][d->head[p]] | 0x80; |
427 |
|
pckbc_add_code(d, code, p); |
428 |
|
} |
429 |
|
|
430 |
/* Release ctrl: */ |
/* Release ctrl: */ |
431 |
if (ctrl) |
if (ctrl) |
432 |
pckbc_add_code(d, 0x1d + 0x80, p); |
pckbc_add_code(d, 0x1d + 0x80, p); |
439 |
void dev_pckbc_tick(struct cpu *cpu, void *extra) |
void dev_pckbc_tick(struct cpu *cpu, void *extra) |
440 |
{ |
{ |
441 |
struct pckbc_data *d = extra; |
struct pckbc_data *d = extra; |
442 |
int port_nr; |
int port_nr, ch, ints_enabled; |
|
int ch; |
|
443 |
|
|
444 |
if (d->in_use && d->any_command_used && |
if (d->in_use && console_charavail(d->console_handle)) { |
|
console_charavail(d->console_handle)) { |
|
445 |
ch = console_readchar(d->console_handle); |
ch = console_readchar(d->console_handle); |
446 |
if (ch >= 0) |
if (ch >= 0) |
447 |
ascii_to_pc_scancodes(ch, d); |
ascii_to_pc_scancodes_type2(ch, d); |
448 |
} |
} |
449 |
|
|
450 |
|
ints_enabled = d->rx_int_enable; |
451 |
|
|
452 |
/* TODO: mouse movements? */ |
/* TODO: mouse movements? */ |
453 |
|
|
454 |
|
if (d->cmdbyte & KC8_KDISABLE) |
455 |
|
ints_enabled = 0; |
456 |
|
|
457 |
for (port_nr=0; port_nr<2; port_nr++) { |
for (port_nr=0; port_nr<2; port_nr++) { |
458 |
/* Cause receive interrupt, |
/* Cause receive interrupt, if there's something in the |
459 |
if there's something in the receive buffer: */ |
receive buffer: (Otherwise deassert the interrupt.) */ |
460 |
if (d->head[port_nr] != d->tail[port_nr] && d->rx_int_enable) { |
if (d->head[port_nr] != d->tail[port_nr] && ints_enabled) { |
461 |
|
debug("[ pckbc: interrupt port %i ]\n", port_nr); |
462 |
cpu_interrupt(cpu, port_nr==0? d->keyboard_irqnr |
cpu_interrupt(cpu, port_nr==0? d->keyboard_irqnr |
463 |
: d->mouse_irqnr); |
: d->mouse_irqnr); |
464 |
|
d->currently_asserted[port_nr] = 1; |
465 |
} else { |
} else { |
466 |
cpu_interrupt_ack(cpu, port_nr==0? d->keyboard_irqnr |
if (d->currently_asserted[port_nr]) |
467 |
: d->mouse_irqnr); |
cpu_interrupt_ack(cpu, port_nr==0? |
468 |
|
d->keyboard_irqnr : d->mouse_irqnr); |
469 |
|
d->currently_asserted[port_nr] = 0; |
470 |
} |
} |
471 |
} |
} |
472 |
} |
} |
474 |
|
|
475 |
/* |
/* |
476 |
* dev_pckbc_command(): |
* dev_pckbc_command(): |
477 |
|
* |
478 |
|
* Handle commands to the 8048 in the emulated keyboard. |
479 |
*/ |
*/ |
480 |
static void dev_pckbc_command(struct pckbc_data *d, int port_nr) |
static void dev_pckbc_command(struct pckbc_data *d, int port_nr) |
481 |
{ |
{ |
482 |
int cmd = d->reg[PC_CMD]; |
int cmd = d->reg[PC_CMD]; |
483 |
|
|
|
d->any_command_used = 1; |
|
|
|
|
484 |
if (d->type == PCKBC_8242) |
if (d->type == PCKBC_8242) |
485 |
cmd = d->reg[PS2_TXBUF]; |
cmd = d->reg[PS2_TXBUF]; |
486 |
|
|
487 |
if (d->state == STATE_WAITING_FOR_TRANSLTABLE) { |
if (d->state == STATE_WAITING_FOR_TRANSLTABLE) { |
488 |
debug("[ pckbc: switching to translation table 0x%02x ]\n", |
debug("[ pckbc: (port %i) switching to translation table " |
489 |
cmd); |
"0x%02x ]\n", port_nr, cmd); |
490 |
|
switch (cmd) { |
491 |
|
case 2: |
492 |
|
case 3: d->translation_table = cmd; |
493 |
|
break; |
494 |
|
default:fatal("[ pckbc: (port %i) translation table " |
495 |
|
"0x%02x is NOT YET IMPLEMENTED ]\n", |
496 |
|
port_nr, cmd); |
497 |
|
} |
498 |
|
pckbc_add_code(d, KBR_ACK, port_nr); |
499 |
|
d->state = STATE_NORMAL; |
500 |
|
return; |
501 |
|
} |
502 |
|
|
503 |
|
if (d->state == STATE_WAITING_FOR_F3) { |
504 |
|
debug("[ pckbc: (port %i) received '0xf3' data: " |
505 |
|
"0x%02x ]\n", port_nr, cmd); |
506 |
pckbc_add_code(d, KBR_ACK, port_nr); |
pckbc_add_code(d, KBR_ACK, port_nr); |
507 |
d->state = STATE_NORMAL; |
d->state = STATE_NORMAL; |
508 |
return; |
return; |
509 |
} |
} |
510 |
|
|
511 |
|
if (d->state == STATE_WAITING_FOR_FC) { |
512 |
|
debug("[ pckbc: (port %i) received '0xfc' data: " |
513 |
|
"0x%02x ]\n", port_nr, cmd); |
514 |
|
pckbc_add_code(d, KBR_ACK, port_nr); |
515 |
|
d->state = STATE_NORMAL; |
516 |
|
return; |
517 |
|
} |
518 |
|
|
519 |
|
if (d->state == STATE_WAITING_FOR_AUX) { |
520 |
|
debug("[ pckbc: (port %i) received aux data: " |
521 |
|
"0x%02x ]\n", port_nr, cmd); |
522 |
|
/* Echo back. */ |
523 |
|
pckbc_add_code(d, cmd, port_nr); |
524 |
|
d->state = STATE_NORMAL; |
525 |
|
return; |
526 |
|
} |
527 |
|
|
528 |
|
if (d->state == STATE_WAITING_FOR_AUX_OUT) { |
529 |
|
debug("[ pckbc: (port %i) received aux out data: " |
530 |
|
"0x%02x ]\n", port_nr, cmd); |
531 |
|
/* Echo back. */ |
532 |
|
pckbc_add_code(d, cmd, port_nr); |
533 |
|
d->state = STATE_NORMAL; |
534 |
|
return; |
535 |
|
} |
536 |
|
|
537 |
switch (cmd) { |
switch (cmd) { |
538 |
case 0x00: |
case 0x00: |
539 |
pckbc_add_code(d, KBR_ACK, port_nr); |
pckbc_add_code(d, KBR_ACK, port_nr); |
557 |
case KBC_SETDEFAULT: |
case KBC_SETDEFAULT: |
558 |
pckbc_add_code(d, KBR_ACK, port_nr); |
pckbc_add_code(d, KBR_ACK, port_nr); |
559 |
break; |
break; |
560 |
|
case 0xf3: |
561 |
|
pckbc_add_code(d, KBR_ACK, port_nr); |
562 |
|
d->state = STATE_WAITING_FOR_F3; |
563 |
|
break; |
564 |
|
case 0xfa: /* Just ack? */ |
565 |
|
pckbc_add_code(d, KBR_ACK, port_nr); |
566 |
|
break; |
567 |
|
case 0xfc: |
568 |
|
pckbc_add_code(d, KBR_ACK, port_nr); |
569 |
|
d->state = STATE_WAITING_FOR_FC; |
570 |
|
break; |
571 |
case KBC_RESET: |
case KBC_RESET: |
572 |
pckbc_add_code(d, KBR_ACK, port_nr); |
pckbc_add_code(d, KBR_ACK, port_nr); |
573 |
pckbc_add_code(d, KBR_RSTDONE, port_nr); |
pckbc_add_code(d, KBR_RSTDONE, port_nr); |
574 |
break; |
break; |
575 |
default: |
default: |
576 |
fatal("[ pckbc: UNIMPLEMENTED command 0x%02x ]\n", cmd); |
fatal("[ pckbc: (port %i) UNIMPLEMENTED 8048 command" |
577 |
|
" 0x%02x ]\n", port_nr, cmd); |
578 |
} |
} |
579 |
} |
} |
580 |
|
|
582 |
/* |
/* |
583 |
* dev_pckbc_access(): |
* dev_pckbc_access(): |
584 |
*/ |
*/ |
585 |
int dev_pckbc_access(struct cpu *cpu, struct memory *mem, |
DEVICE_ACCESS(pckbc) |
|
uint64_t relative_addr, unsigned char *data, size_t len, |
|
|
int writeflag, void *extra) |
|
586 |
{ |
{ |
587 |
uint64_t idata = 0, odata = 0; |
uint64_t idata = 0, odata = 0; |
588 |
int i, port_nr = 0; |
int port_nr = 0; |
589 |
|
size_t i; |
590 |
struct pckbc_data *d = extra; |
struct pckbc_data *d = extra; |
591 |
|
|
592 |
idata = memory_readmax64(cpu, data, len); |
if (writeflag == MEM_WRITE) |
593 |
|
idata = memory_readmax64(cpu, data, len); |
594 |
|
|
595 |
#ifdef PCKBC_DEBUG |
#ifdef PCKBC_DEBUG |
596 |
if (writeflag == MEM_WRITE) |
if (writeflag == MEM_WRITE) |
602 |
#endif |
#endif |
603 |
|
|
604 |
/* For JAZZ-based machines: */ |
/* For JAZZ-based machines: */ |
605 |
if (relative_addr >= 0x60) |
if (relative_addr >= 0x60) { |
606 |
relative_addr -= 0x60; |
relative_addr -= 0x60; |
607 |
|
if (relative_addr != 0) |
608 |
/* 8242 PS2-style: */ |
relative_addr = 1; |
609 |
if (d->type == PCKBC_8242) { |
} else if (d->type == PCKBC_8242) { |
610 |
|
/* 8242 PS2-style: */ |
611 |
/* when using 8-byte alignment... */ |
/* when using 8-byte alignment... */ |
612 |
relative_addr /= sizeof(uint64_t); |
relative_addr /= sizeof(uint64_t); |
613 |
/* port_nr = 0 for keyboard, 1 for mouse */ |
/* port_nr = 0 for keyboard, 1 for mouse */ |
614 |
port_nr = (relative_addr >> 2); |
port_nr = (relative_addr >> 2); |
615 |
relative_addr &= 3; |
relative_addr &= 3; |
616 |
relative_addr += PS2; |
relative_addr += PS2; |
617 |
|
} else if (d->pc_style_flag) { |
618 |
|
/* PC-style: */ |
619 |
|
if (relative_addr != 0 && relative_addr != 4) { |
620 |
|
/* TODO (port 0x61) */ |
621 |
|
odata = 0x21; |
622 |
|
{ |
623 |
|
static int x = 0; |
624 |
|
x++; |
625 |
|
if (x&1) |
626 |
|
odata ^= 0x10; |
627 |
|
} |
628 |
|
if (writeflag == MEM_READ) |
629 |
|
memory_writemax64(cpu, data, len, odata); |
630 |
|
return 0; |
631 |
|
} |
632 |
|
if (relative_addr != 0) |
633 |
|
relative_addr = 1; |
634 |
} else { |
} else { |
635 |
/* The relative_addr is either 0 or 1, |
/* Others... Non-Jazz ARC-based machines etc. */ |
636 |
but some machines use longer registers than one byte |
if (relative_addr != 0) |
|
each, so this will make things simpler for us: */ |
|
|
if (relative_addr) |
|
637 |
relative_addr = 1; |
relative_addr = 1; |
638 |
} |
} |
639 |
|
|
645 |
|
|
646 |
case 0: /* data */ |
case 0: /* data */ |
647 |
if (writeflag==MEM_READ) { |
if (writeflag==MEM_READ) { |
648 |
if (d->state == STATE_RDCMDBYTE) { |
switch (d->state) { |
649 |
|
case STATE_RDCMDBYTE: |
650 |
odata = d->cmdbyte; |
odata = d->cmdbyte; |
651 |
d->state = STATE_NORMAL; |
d->state = STATE_NORMAL; |
652 |
} else { |
break; |
653 |
if (d->head[0] != d->tail[0]) { |
case STATE_RDOUTPUT: |
654 |
|
odata = d->output_byte; |
655 |
|
d->state = STATE_NORMAL; |
656 |
|
break; |
657 |
|
default:if (d->head[0] != d->tail[0]) { |
658 |
odata = pckbc_get_code(d, 0); |
odata = pckbc_get_code(d, 0); |
659 |
d->last_scancode = odata; |
d->last_scancode = odata; |
660 |
} else { |
} else { |
662 |
d->last_scancode |= 0x80; |
d->last_scancode |= 0x80; |
663 |
} |
} |
664 |
} |
} |
665 |
debug("[ pckbc: read from DATA: 0x%02x ]\n", odata); |
/* debug("[ pckbc: read from DATA: 0x%02x ]\n", |
666 |
|
(int)odata); */ |
667 |
} else { |
} else { |
668 |
debug("[ pckbc: write to DATA:"); |
debug("[ pckbc: write to DATA:"); |
669 |
for (i=0; i<len; i++) |
for (i=0; i<len; i++) |
670 |
debug(" %02x", data[i]); |
debug(" %02x", data[i]); |
671 |
debug(" ]\n"); |
debug(" ]\n"); |
672 |
|
|
673 |
if (d->state == STATE_LDCMDBYTE) { |
switch (d->state) { |
674 |
|
case STATE_LDCMDBYTE: |
675 |
d->cmdbyte = idata; |
d->cmdbyte = idata; |
676 |
d->rx_int_enable = d->cmdbyte & |
d->rx_int_enable = d->cmdbyte & |
677 |
(KC8_KENABLE | KC8_MENABLE) ? 1 : 0; |
(KC8_KENABLE | KC8_MENABLE) ? 1 : 0; |
678 |
d->state = STATE_NORMAL; |
d->state = STATE_NORMAL; |
679 |
} else { |
break; |
680 |
d->reg[relative_addr] = idata; |
case STATE_LDOUTPUT: |
681 |
|
d->output_byte = idata; |
682 |
|
d->state = STATE_NORMAL; |
683 |
|
break; |
684 |
|
default:d->reg[relative_addr] = idata; |
685 |
dev_pckbc_command(d, port_nr); |
dev_pckbc_command(d, port_nr); |
686 |
} |
} |
687 |
} |
} |
694 |
|
|
695 |
/* "Data in buffer" bit */ |
/* "Data in buffer" bit */ |
696 |
if (d->head[0] != d->tail[0] || |
if (d->head[0] != d->tail[0] || |
697 |
d->state == STATE_RDCMDBYTE) |
d->state == STATE_RDCMDBYTE || |
698 |
|
d->state == STATE_RDOUTPUT) |
699 |
odata |= KBS_DIB; |
odata |= KBS_DIB; |
700 |
/* odata |= KBS_OCMD; */ |
|
701 |
|
if (d->state == STATE_RDCMDBYTE) |
702 |
|
odata |= KBS_OCMD; |
703 |
|
|
704 |
|
odata |= KBS_NOSEC; |
705 |
/* debug("[ pckbc: read from CTL status port: " |
/* debug("[ pckbc: read from CTL status port: " |
706 |
"0x%02x ]\n", (int)odata); */ |
"0x%02x ]\n", (int)odata); */ |
707 |
} else { |
} else { |
712 |
d->reg[relative_addr] = idata; |
d->reg[relative_addr] = idata; |
713 |
|
|
714 |
switch (idata) { |
switch (idata) { |
715 |
|
case 0x10: |
716 |
|
case 0x11: |
717 |
|
/* TODO: For now, don't print warnings about |
718 |
|
these. NetBSD sends these. */ |
719 |
|
break; |
720 |
case K_RDCMDBYTE: |
case K_RDCMDBYTE: |
721 |
d->state = STATE_RDCMDBYTE; |
d->state = STATE_RDCMDBYTE; |
722 |
break; |
break; |
723 |
case K_LDCMDBYTE: |
case K_LDCMDBYTE: |
724 |
d->state = STATE_LDCMDBYTE; |
d->state = STATE_LDCMDBYTE; |
725 |
break; |
break; |
726 |
|
case 0xa7: |
727 |
|
d->cmdbyte |= KC8_MDISABLE; |
728 |
|
break; |
729 |
|
case 0xa8: |
730 |
|
d->cmdbyte &= ~KC8_MDISABLE; |
731 |
|
break; |
732 |
case 0xa9: /* test auxiliary port */ |
case 0xa9: /* test auxiliary port */ |
733 |
debug("[ pckbc: CONTROL 0xa9, TODO ]\n"); |
debug("[ pckbc: CONTROL 0xa9, TODO ]\n"); |
734 |
break; |
break; |
735 |
case 0xaa: /* keyboard self-test */ |
case 0xaa: /* keyboard self-test */ |
736 |
pckbc_add_code(d, 0x55, port_nr); |
pckbc_add_code(d, 0x55, port_nr); |
737 |
break; |
break; |
738 |
|
case 0xab: /* keyboard interface self-test */ |
739 |
|
pckbc_add_code(d, 0x00, port_nr); |
740 |
|
break; |
741 |
|
case 0xad: |
742 |
|
d->cmdbyte |= KC8_KDISABLE; |
743 |
|
break; |
744 |
|
case 0xae: |
745 |
|
d->cmdbyte &= ~KC8_KDISABLE; |
746 |
|
break; |
747 |
|
case 0xd0: |
748 |
|
d->state = STATE_RDOUTPUT; |
749 |
|
break; |
750 |
|
case 0xd1: |
751 |
|
d->state = STATE_LDOUTPUT; |
752 |
|
break; |
753 |
|
case 0xd3: /* write to auxiliary device |
754 |
|
output buffer */ |
755 |
|
debug("[ pckbc: CONTROL 0xd3, TODO ]\n"); |
756 |
|
d->state = STATE_WAITING_FOR_AUX_OUT; |
757 |
|
break; |
758 |
case 0xd4: /* write to auxiliary port */ |
case 0xd4: /* write to auxiliary port */ |
759 |
debug("[ pckbc: CONTROL 0xd4, TODO ]\n"); |
debug("[ pckbc: CONTROL 0xd4, TODO ]\n"); |
760 |
|
d->state = STATE_WAITING_FOR_AUX; |
761 |
break; |
break; |
762 |
default: |
default: |
763 |
fatal("[ pckbc: unknown CONTROL 0x%x ]\n", |
fatal("[ pckbc: unknown CONTROL 0x%x ]\n", |
764 |
idata); |
(int)idata); |
765 |
d->state = STATE_NORMAL; |
d->state = STATE_NORMAL; |
766 |
} |
} |
767 |
} |
} |
771 |
* 8242 (PS2): |
* 8242 (PS2): |
772 |
*/ |
*/ |
773 |
|
|
|
/* |
|
|
* BIG TODO: The following should be rewritten to use dev_pckbc_command() |
|
|
* etc, like the 8042 code above does. |
|
|
*/ |
|
|
|
|
774 |
case PS2 + PS2_TXBUF: |
case PS2 + PS2_TXBUF: |
775 |
if (writeflag==MEM_READ) { |
if (writeflag==MEM_READ) { |
776 |
odata = random() & 0xff; |
odata = random() & 0xff; |
781 |
"0x%llx ]\n", port_nr, (long long)idata); |
"0x%llx ]\n", port_nr, (long long)idata); |
782 |
|
|
783 |
/* Handle keyboard commands: */ |
/* Handle keyboard commands: */ |
784 |
switch (idata) { |
d->reg[PS2_TXBUF] = idata; |
785 |
/* These are incorrect, the second byte of |
dev_pckbc_command(d, port_nr); |
|
commands should be treated better: */ |
|
|
case 0x00: /* second byte of 0xed, |
|
|
SGI-IP32's prom */ |
|
|
pckbc_add_code(d, 0x03, port_nr);/* ack (?) */ |
|
|
break; |
|
|
case 0x14: /* second byte of 0xfc, |
|
|
SGI-IP32's prom */ |
|
|
case 0x28: /* second byte of 0xf3, |
|
|
SGI-IP32's prom */ |
|
|
case 0x76: /* third byte of 0xfc, |
|
|
SGI-IP32's prom */ |
|
|
case 0x03: /* second byte of |
|
|
ATKBD_CMD_GSCANSET (?) */ |
|
|
case 0x04: |
|
|
pckbc_add_code(d, 0x03, port_nr);/* ? */ |
|
|
break; |
|
|
|
|
|
/* Command bytes: */ |
|
|
case 0xf0: /* ATKBD_CMD_GSCANSET (?) */ |
|
|
pckbc_add_code(d, 0x03, port_nr);/* ? */ |
|
|
break; |
|
|
case 0xf2: /* Get keyboard ID */ |
|
|
/* The keyboard should generate 2 |
|
|
status bytes. */ |
|
|
pckbc_add_code(d, 0xab, port_nr); |
|
|
pckbc_add_code(d, 0x83, port_nr); |
|
|
break; |
|
|
case 0xed: /* "ATKBD_CMD_SETLEDS", |
|
|
takes 1 byte arg */ |
|
|
case 0xf3: /* "PSMOUSE_CMD_SETRATE", |
|
|
takes 1 byte arg */ |
|
|
case 0xf4: /* "ATKBD_CMD_ENABLE" (or |
|
|
PSMOUSE_CMD_ENABLE), no args */ |
|
|
case 0xf5: /* "ATKBD_CMD_RESET_DIS" (keyboard, |
|
|
according to Linux sources) */ |
|
|
case 0xf6: /* "PSMOUSE_CMD_RESET_DIS" (mouse, |
|
|
according to Linux sources) */ |
|
|
/* TODO: what does this do? */ |
|
|
pckbc_add_code(d, 0xfa, port_nr);/* ack (?) */ |
|
|
break; |
|
|
case 0xfa: /* "ATKBD_CMD_SETALL_MBR" (linux) */ |
|
|
pckbc_add_code(d, 0xfa, port_nr);/* ack (?) */ |
|
|
break; |
|
|
case 0xfc: /* ? */ |
|
|
pckbc_add_code(d, 0xfa, port_nr);/* ack (?) */ |
|
|
break; |
|
|
case 0xff: /* Keyboard reset */ |
|
|
/* The keyboard should generate 2 |
|
|
status bytes. */ |
|
|
pckbc_add_code(d, 0xfa, port_nr);/* ack (?) */ |
|
|
pckbc_add_code(d, 0xaa, port_nr); |
|
|
/* battery ok (?) */ |
|
|
break; |
|
|
default: |
|
|
debug("[ pckbc: UNIMPLEMENTED keyboard command" |
|
|
" 0x%02x (port %i) ]\n", (int)idata, |
|
|
port_nr); |
|
|
} |
|
786 |
} |
} |
787 |
break; |
break; |
788 |
|
|
847 |
} |
} |
848 |
} |
} |
849 |
|
|
850 |
|
/* SGI? TODO: fix */ |
851 |
|
if (len == 8) |
852 |
|
odata |= (odata << 8) | (odata << 16) | (odata << 24) | |
853 |
|
(odata << 32) | (odata << 40) | (odata << 48) | |
854 |
|
(odata << 56); |
855 |
|
|
856 |
if (writeflag == MEM_READ) |
if (writeflag == MEM_READ) |
857 |
memory_writemax64(cpu, data, len, odata); |
memory_writemax64(cpu, data, len, odata); |
858 |
|
|
869 |
*/ |
*/ |
870 |
int dev_pckbc_init(struct machine *machine, struct memory *mem, |
int dev_pckbc_init(struct machine *machine, struct memory *mem, |
871 |
uint64_t baseaddr, int type, int keyboard_irqnr, int mouse_irqnr, |
uint64_t baseaddr, int type, int keyboard_irqnr, int mouse_irqnr, |
872 |
int in_use) |
int in_use, int pc_style_flag) |
873 |
{ |
{ |
874 |
struct pckbc_data *d; |
struct pckbc_data *d; |
875 |
int len = DEV_PCKBC_LENGTH; |
int len = DEV_PCKBC_LENGTH; |
881 |
} |
} |
882 |
memset(d, 0, sizeof(struct pckbc_data)); |
memset(d, 0, sizeof(struct pckbc_data)); |
883 |
|
|
884 |
|
if (type == PCKBC_8242) |
885 |
|
len = 0x18; |
886 |
|
|
887 |
if (type == PCKBC_JAZZ) { |
if (type == PCKBC_JAZZ) { |
888 |
type = PCKBC_8042; |
type = PCKBC_8042; |
889 |
len = DEV_PCKBC_LENGTH + 0x60; |
len = DEV_PCKBC_LENGTH + 0x60; |
890 |
} |
} |
891 |
|
|
892 |
d->type = type; |
d->type = type; |
893 |
d->keyboard_irqnr = keyboard_irqnr; |
d->keyboard_irqnr = keyboard_irqnr; |
894 |
d->mouse_irqnr = mouse_irqnr; |
d->mouse_irqnr = mouse_irqnr; |
895 |
d->in_use = in_use; |
d->in_use = in_use; |
896 |
d->console_handle = console_start_slave_inputonly(machine, "pckbc"); |
d->pc_style_flag = pc_style_flag; |
897 |
|
d->translation_table = 2; |
898 |
|
d->rx_int_enable = 1; |
899 |
|
d->output_byte = 0x02; /* A20 enable on PCs */ |
900 |
|
|
901 |
|
d->console_handle = console_start_slave_inputonly( |
902 |
|
machine, "pckbc", d->in_use); |
903 |
|
|
904 |
memory_device_register(mem, "pckbc", baseaddr, |
memory_device_register(mem, "pckbc", baseaddr, |
905 |
len, dev_pckbc_access, d, MEM_DEFAULT, NULL); |
len, dev_pckbc_access, d, DM_DEFAULT, NULL); |
906 |
machine_add_tickfunction(machine, dev_pckbc_tick, d, PCKBC_TICKSHIFT); |
machine_add_tickfunction(machine, dev_pckbc_tick, d, PCKBC_TICKSHIFT); |
907 |
|
|
908 |
return d->console_handle; |
return d->console_handle; |