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Line 25... Line 25...
25 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 25 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 26 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 27 
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 
 */
 28 
 */
29 
 
 29 
 
30 
/** @addtogroup kbdia32 ia32
 30 
/** @addtogroup kbdia32
31 
 * @brief   HelenOS ia32 / amd64 arch dependent parts of uspace keyboard handler.
 31 
 * @brief   Scancodes for PC keyboards.
32 
 * @ingroup  kbd
 - 
 
33 
 * @{
 32 
 * @{
34 
 */
 33 
 */
35 
/** @file
 34 
/** @file
36 
 * @ingroup kbdamd64
 35 
 * @ingroup kbdamd64
37 
 */
 36 
 */
38 
 
 37 
 
39 
#include <arch/kbd.h>
 38 
#include <genarch/scanc.h>
40 
#include <ipc/ipc.h>
 - 
 
41 
#include <unistd.h>
 - 
 
42 
#include <kbd.h>
 - 
 
43 
#include <keys.h>
 - 
 
44 
 
 - 
 
45 
/* Interesting bits for status register */
 - 
 
46 
#define i8042_OUTPUT_FULL  0x1
 - 
 
47 
#define i8042_INPUT_FULL   0x2
 - 
 
48 
#define i8042_MOUSE_DATA   0x20
 - 
 
49 
 
 - 
 
50 
/* Command constants */
 - 
 
51 
#define i8042_CMD_KBD 0x60
 - 
 
52 
#define i8042_CMD_MOUSE  0xd4
 - 
 
53 
 
 - 
 
54 
/* Keyboard cmd byte */
 - 
 
55 
#define i8042_KBD_IE        0x1
 - 
 
56 
#define i8042_MOUSE_IE      0x2
 - 
 
57 
#define i8042_KBD_DISABLE   0x10
 - 
 
58 
#define i8042_MOUSE_DISABLE 0x20
 - 
 
59 
#define i8042_KBD_TRANSLATE 0x40
 - 
 
60 
 
 - 
 
61 
/* Mouse constants */
 - 
 
62 
#define MOUSE_OUT_INIT  0xf4
 - 
 
63 
#define MOUSE_ACK       0xfa
 - 
 
64 
 
 - 
 
65 
 
 - 
 
66 
#define SPECIAL     255
 - 
 
67 
#define KEY_RELEASE 0x80
 - 
 
68 
 
 - 
 
69 
/**
 - 
 
70 
 * These codes read from i8042 data register are silently ignored.
 - 
 
71 
 */
 - 
 
72 
#define IGNORE_CODE 0x7f
 - 
 
73 
 
 - 
 
74 
#define PRESSED_SHIFT       (1<<0)
 - 
 
75 
#define PRESSED_CAPSLOCK    (1<<1)
 - 
 
76 
#define LOCKED_CAPSLOCK     (1<<0)
 - 
 
77 
 
 - 
 
78 
/** Scancodes. */
 - 
 
79 
#define SC_ESC      0x01
 - 
 
80 
#define SC_BACKSPACE    0x0e
 - 
 
81 
#define SC_LSHIFT   0x2a
 - 
 
82 
#define SC_RSHIFT   0x36
 - 
 
83 
#define SC_CAPSLOCK 0x3a
 - 
 
84 
#define SC_SPEC_ESCAPE  0xe0
 - 
 
85 
#define SC_LEFTARR      0x4b
 - 
 
86 
#define SC_RIGHTARR     0x4d
 - 
 
87 
#define SC_UPARR        0x48
 - 
 
88 
#define SC_DOWNARR      0x50
 - 
 
89 
#define SC_DELETE       0x53
 - 
 
90 
#define SC_HOME         0x47
 - 
 
91 
#define SC_END          0x4f
 - 
 
92 
 
 - 
 
93 
#define FUNCTION_KEYS 0x100
 - 
 
94 
 
 - 
 
95 
static volatile int keyflags;       /**< Tracking of multiple keypresses. */
 - 
 
96 
static volatile int lockflags;      /**< Tracking of multiple keys lockings. */
 - 
 
97 
 
 39 
 
98 
/** Primary meaning of scancodes. */
 40 
/** Primary meaning of scancodes. */
99 
static int sc_primary_map[] = {
 41 
int sc_primary_map[] = {
100 
    SPECIAL, /* 0x00 */
 42 
    SPECIAL, /* 0x00 */
101 
    SPECIAL, /* 0x01 - Esc */
 43 
    SPECIAL, /* 0x01 - Esc */
102 
    '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=',
 44 
    '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=',
103 
    '\b', /* 0x0e - Backspace */
 45 
    '\b', /* 0x0e - Backspace */
104 
    '\t', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n',
 46 
    '\t', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n',
Line 174... Line 116...
174 
    SPECIAL, /* 0x7e */
 116 
    SPECIAL, /* 0x7e */
175 
    SPECIAL, /* 0x7f */
 117 
    SPECIAL, /* 0x7f */
176 
};
 118 
};
177 
 
 119 
 
178 
/** Secondary meaning of scancodes. */
 120 
/** Secondary meaning of scancodes. */
179 
static int sc_secondary_map[] = {
 121 
int sc_secondary_map[] = {
180 
    SPECIAL, /* 0x00 */
 122 
    SPECIAL, /* 0x00 */
181 
    0x1b, /* 0x01 - Esc */
 123 
    0x1b, /* 0x01 - Esc */
182 
    '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+',
 124 
    '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+',
183 
    SPECIAL, /* 0x0e - Backspace */
 125 
    SPECIAL, /* 0x0e - Backspace */
184 
    '\t', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', '\n',
 126 
    '\t', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', '\n',
Line 253... Line 195...
253 
    SPECIAL, /* 0x7d */
 195 
    SPECIAL, /* 0x7d */
254 
    SPECIAL, /* 0x7e */
 196 
    SPECIAL, /* 0x7e */
255 
    SPECIAL, /* 0x7f */
 197 
    SPECIAL, /* 0x7f */
256 
};
 198 
};
257 
 
 199 
 
258 
irq_cmd_t i8042_cmds[2] = {
 - 
 
259 
    { CMD_PORT_READ_1, (void *)0x64, 0, 1 },
 - 
 
260 
    { CMD_PORT_READ_1, (void *)0x60, 0, 2 }
 - 
 
261 
};
 - 
 
262 
 
 - 
 
263 
irq_code_t i8042_kbd = {
 - 
 
264 
    2,
 - 
 
265 
    i8042_cmds
 - 
 
266 
};
 - 
 
267 
 
 - 
 
268 
static void key_released(keybuffer_t *keybuffer, unsigned char key)
 - 
 
269 
{
 - 
 
270 
    switch (key) {
 - 
 
271 
        case SC_LSHIFT:
 - 
 
272 
        case SC_RSHIFT:
 - 
 
273 
            keyflags &= ~PRESSED_SHIFT;
 - 
 
274 
            break;
 - 
 
275 
        case SC_CAPSLOCK:
 - 
 
276 
            keyflags &= ~PRESSED_CAPSLOCK;
 - 
 
277 
            if (lockflags & LOCKED_CAPSLOCK)
 - 
 
278 
                lockflags &= ~LOCKED_CAPSLOCK;
 - 
 
279 
                else
 - 
 
280 
                lockflags |= LOCKED_CAPSLOCK;
 - 
 
281 
            break;
 - 
 
282 
        default:
 - 
 
283 
            break;
 - 
 
284 
    }
 - 
 
285 
}
 - 
 
286 
 
 - 
 
287 
static void key_pressed(keybuffer_t *keybuffer, unsigned char key)
 - 
 
288 
{
 - 
 
289 
    int *map = sc_primary_map;
 - 
 
290 
    int ascii = sc_primary_map[key];
 - 
 
291 
    int shift, capslock;
 - 
 
292 
    int letter = 0;
 - 
 
293 
 
 - 
 
294 
    static int esc_count=0;
 - 
 
295 
 
 - 
 
296 
   
 - 
 
297 
    if ( key == SC_ESC ) {
 - 
 
298 
        esc_count++;
 - 
 
299 
        if ( esc_count == 3 ) {
 - 
 
300 
            __SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE);
 - 
 
301 
        }  
 - 
 
302 
    } else {
 - 
 
303 
        esc_count=0;
 - 
 
304 
    }
 - 
 
305 
   
 - 
 
306 
   
 - 
 
307 
 
 - 
 
308 
    switch (key) {
 - 
 
309 
        case SC_LSHIFT:
 - 
 
310 
        case SC_RSHIFT:
 - 
 
311 
                keyflags |= PRESSED_SHIFT;
 - 
 
312 
            break;
 - 
 
313 
        case SC_CAPSLOCK:
 - 
 
314 
            keyflags |= PRESSED_CAPSLOCK;
 - 
 
315 
            break;
 - 
 
316 
        case SC_SPEC_ESCAPE:
 - 
 
317 
            break;
 - 
 
318 
    /*  case SC_LEFTARR:
 - 
 
319 
            if (keybuffer_available(keybuffer) >= 3) {
 - 
 
320 
                keybuffer_push(keybuffer, 0x1b);   
 - 
 
321 
                keybuffer_push(keybuffer, 0x5b);   
 - 
 
322 
                keybuffer_push(keybuffer, 0x44);   
 - 
 
323 
            }
 - 
 
324 
            break;
 - 
 
325 
        case SC_RIGHTARR:
 - 
 
326 
            if (keybuffer_available(keybuffer) >= 3) {
 - 
 
327 
                keybuffer_push(keybuffer, 0x1b);   
 - 
 
328 
                keybuffer_push(keybuffer, 0x5b);   
 - 
 
329 
                keybuffer_push(keybuffer, 0x43);   
 - 
 
330 
            }
 - 
 
331 
            break;
 - 
 
332 
        case SC_UPARR:
 - 
 
333 
            if (keybuffer_available(keybuffer) >= 3) {
 - 
 
334 
                keybuffer_push(keybuffer, 0x1b);   
 - 
 
335 
                keybuffer_push(keybuffer, 0x5b);   
 - 
 
336 
                keybuffer_push(keybuffer, 0x41);   
 - 
 
337 
            }
 - 
 
338 
            break;
 - 
 
339 
        case SC_DOWNARR:
 - 
 
340 
            if (keybuffer_available(keybuffer) >= 3) {
 - 
 
341 
                keybuffer_push(keybuffer, 0x1b);   
 - 
 
342 
                keybuffer_push(keybuffer, 0x5b);   
 - 
 
343 
                keybuffer_push(keybuffer, 0x42);   
 - 
 
344 
            }
 - 
 
345 
            break;
 - 
 
346 
        case SC_HOME:
 - 
 
347 
            if (keybuffer_available(keybuffer) >= 3) {
 - 
 
348 
                keybuffer_push(keybuffer, 0x1b);   
 - 
 
349 
                keybuffer_push(keybuffer, 0x4f);   
 - 
 
350 
                keybuffer_push(keybuffer, 0x48);   
 - 
 
351 
            }
 - 
 
352 
            break;
 - 
 
353 
        case SC_END:
 - 
 
354 
            if (keybuffer_available(keybuffer) >= 3) {
 - 
 
355 
                keybuffer_push(keybuffer, 0x1b);   
 - 
 
356 
                keybuffer_push(keybuffer, 0x4f);   
 - 
 
357 
                keybuffer_push(keybuffer, 0x46);   
 - 
 
358 
            }
 - 
 
359 
            break;
 - 
 
360 
        case SC_DELETE:
 - 
 
361 
            if (keybuffer_available(keybuffer) >= 4) {
 - 
 
362 
                keybuffer_push(keybuffer, 0x1b);   
 - 
 
363 
                keybuffer_push(keybuffer, 0x5b);   
 - 
 
364 
                keybuffer_push(keybuffer, 0x33);   
 - 
 
365 
                keybuffer_push(keybuffer, 0x7e);   
 - 
 
366 
            }
 - 
 
367 
            break;
 - 
 
368 
    */  default:
 - 
 
369 
                letter = ((ascii >= 'a') && (ascii <= 'z'));
 - 
 
370 
            capslock = (keyflags & PRESSED_CAPSLOCK) || (lockflags & LOCKED_CAPSLOCK);
 - 
 
371 
            shift = keyflags & PRESSED_SHIFT;
 - 
 
372 
            if (letter && capslock)
 - 
 
373 
                shift = !shift;
 - 
 
374 
            if (shift)
 - 
 
375 
                map = sc_secondary_map;
 - 
 
376 
            if (map[key] != SPECIAL)
 - 
 
377 
                keybuffer_push(keybuffer, map[key]);   
 - 
 
378 
            break;
 - 
 
379 
    }
 - 
 
380 
}
 - 
 
381 
 
 - 
 
382 
 
 - 
 
383 
static void wait_ready(void) {
 - 
 
384 
    while (i8042_status_read() & i8042_INPUT_FULL)
 - 
 
385 
        ;
 - 
 
386 
}
 - 
 
387 
 
 - 
 
388 
/** Register uspace irq handler
 - 
 
389 
 * @return
 - 
 
390 
 */
 - 
 
391 
int kbd_arch_init(void)
 - 
 
392 
{
 - 
 
393 
    int i;
 - 
 
394 
    int mouseenabled = 0;
 - 
 
395 
 
 - 
 
396 
    iospace_enable(task_get_id(),(void *)i8042_DATA, 5);
 - 
 
397 
    /* Disable kbd, enable mouse */
 - 
 
398 
    i8042_command_write(i8042_CMD_KBD);
 - 
 
399 
    wait_ready();
 - 
 
400 
    i8042_command_write(i8042_CMD_KBD);
 - 
 
401 
    wait_ready();
 - 
 
402 
    i8042_data_write(i8042_KBD_DISABLE);
 - 
 
403 
    wait_ready();
 - 
 
404 
 
 - 
 
405 
    /* Flush all current IO */
 - 
 
406 
    while (i8042_status_read() & i8042_OUTPUT_FULL)
 - 
 
407 
        i8042_data_read();
 - 
 
408 
    /* Initialize mouse */
 - 
 
409 
    i8042_command_write(i8042_CMD_MOUSE);
 - 
 
410 
    wait_ready();
 - 
 
411 
    i8042_data_write(MOUSE_OUT_INIT);
 - 
 
412 
    wait_ready();
 - 
 
413 
   
 - 
 
414 
    int mouseanswer = 0;
 - 
 
415 
    for (i=0;i < 1000; i++) {
 - 
 
416 
        int status = i8042_status_read();
 - 
 
417 
        if (status & i8042_OUTPUT_FULL) {
 - 
 
418 
            int data = i8042_data_read();
 - 
 
419 
            if (status & i8042_MOUSE_DATA) {
 - 
 
420 
                mouseanswer = data;
 - 
 
421 
                break;
 - 
 
422 
            }
 - 
 
423 
        }
 - 
 
424 
        usleep(1000);
 - 
 
425 
    }
 - 
 
426 
    if (mouseanswer == MOUSE_ACK) {
 - 
 
427 
        /* enable mouse */
 - 
 
428 
        mouseenabled = 1;
 - 
 
429 
 
 - 
 
430 
        ipc_register_irq(MOUSE_IRQ, &i8042_kbd);
 - 
 
431 
    }
 - 
 
432 
    /* Enable kbd */
 - 
 
433 
    ipc_register_irq(KBD_IRQ, &i8042_kbd);
 - 
 
434 
    /* Register for irq restart */
 - 
 
435 
    ipc_register_irq(IPC_IRQ_KBDRESTART, NULL);
 - 
 
436 
 
 - 
 
437 
    int newcontrol = i8042_KBD_IE | i8042_KBD_TRANSLATE;
 - 
 
438 
    if (mouseenabled)
 - 
 
439 
        newcontrol |= i8042_MOUSE_IE;
 - 
 
440 
   
 - 
 
441 
    i8042_command_write(i8042_CMD_KBD);
 - 
 
442 
    wait_ready();
 - 
 
443 
    i8042_data_write(newcontrol);
 - 
 
444 
    wait_ready();
 - 
 
445 
   
 - 
 
446 
    return 0;
 - 
 
447 
}
 - 
 
448 
 
 - 
 
449 
/** Process keyboard & mouse events */
 - 
 
450 
int kbd_arch_process(keybuffer_t *keybuffer, ipc_call_t *call)
 - 
 
451 
{
 - 
 
452 
    int status = IPC_GET_ARG1(*call);
 - 
 
453 
 
 - 
 
454 
    if (IPC_GET_METHOD(*call) == IPC_IRQ_KBDRESTART) {
 - 
 
455 
        kbd_arch_init();
 - 
 
456 
        return 1;
 - 
 
457 
    }
 - 
 
458 
 
 - 
 
459 
    if ((status & i8042_MOUSE_DATA))
 - 
 
460 
        return 0;
 - 
 
461 
   
 - 
 
462 
    int scan_code = IPC_GET_ARG2(*call);
 - 
 
463 
   
 - 
 
464 
    if (scan_code != IGNORE_CODE) {
 - 
 
465 
        if (scan_code & KEY_RELEASE)
 - 
 
466 
            key_released(keybuffer, scan_code ^ KEY_RELEASE);
 - 
 
467 
        else
 - 
 
468 
            key_pressed(keybuffer, scan_code);
 - 
 
469 
    }
 - 
 
470 
    return  1;
 - 
 
471 
}
 - 
 
472 
 
 - 
 
473 
/**
 200 
/**
474 
 * @}
 201 
 * @}
475 
 */
 202 
 */
476 
 
 -