48 /* state: 0: off; >0: in progress; >1: 0xf1 received */
53 static unsigned long broken_keys[128/(sizeof(unsigned long)*8)] = { 0, };
55 #define BREAK_MASK	(0x80)
61  *    Control, e.g. Alt+Shift+a sends Meta-A (0xc1), Alt+Control+A sends
62  *    Meta-Ctrl-A (0x81) ...
107 #define	IS_SYNC_CODE(sc)	((sc) >= 0x04 && (sc) <= 0xfb)
123  * one that really looks like a key event (0x04..0xf2) or the start of a mouse
124  * packet (0xf8..0xfb) are thrown away, but at most 2 bytes. This at least
126  * mouse movement is lost. However, nothing is perfect. For bytes 0x01..0x03,
177 			case 0xF7:  in atari_keyboard_interrupt()
179 				kb_state.len = 0;  in atari_keyboard_interrupt()
182 			case 0xF8:  in atari_keyboard_interrupt()
183 			case 0xF9:  in atari_keyboard_interrupt()
184 			case 0xFA:  in atari_keyboard_interrupt()
185 			case 0xFB:  in atari_keyboard_interrupt()
188 				kb_state.buf[0] = scancode;  in atari_keyboard_interrupt()
191 			case 0xFC:  in atari_keyboard_interrupt()
193 				kb_state.len = 0;  in atari_keyboard_interrupt()
196 			case 0xFE:  in atari_keyboard_interrupt()
197 			case 0xFF:  in atari_keyboard_interrupt()
200 				kb_state.buf[0] = scancode;  in atari_keyboard_interrupt()
203 			case 0xF1:  in atari_keyboard_interrupt()
204 				/* during self-test, note that 0xf1 received */  in atari_keyboard_interrupt()
228 					keytyp = KTYP(keyval) - 0xf0;  in atari_keyboard_interrupt()
287 			if (kb_state.len <= 0 || IS_SYNC_CODE(scancode)) {  in atari_keyboard_interrupt()
296 #if 0  in atari_keyboard_interrupt()
337 	static const char cmd[2] = { 0x80, 0x01 };  in ikbd_reset()
342 	 * if all's well code 0xF1 is returned, else the break codes of  in ikbd_reset()
350 	char cmd[2] = { 0x07, mode };  in ikbd_mouse_button_action()
358 	static const char cmd[1] = { 0x08 };  in ikbd_mouse_rel_pos()
367 	char cmd[5] = { 0x09, xmax>>8, xmax&0xFF, ymax>>8, ymax&0xFF };  in ikbd_mouse_abs_pos()
375 	char cmd[3] = { 0x0A, dx, dy };  in ikbd_mouse_kbd_mode()
383 	char cmd[3] = { 0x0B, x, y };  in ikbd_mouse_thresh()
392 	char cmd[3] = { 0x0C, x, y };  in ikbd_mouse_scale()
400 	static const char cmd[1] = { 0x0D };  in ikbd_mouse_pos_get()
410 	char cmd[6] = { 0x0E, 0x00, x>>8, x&0xFF, y>>8, y&0xFF };  in ikbd_mouse_pos_set()
415 /* Set Y=0 at bottom */
418 	static const char cmd[1] = { 0x0F };  in ikbd_mouse_y0_bot()
423 /* Set Y=0 at top */
426 	static const char cmd[1] = { 0x10 };  in ikbd_mouse_y0_top()
435 	static const char cmd[1] = { 0x12 };  in ikbd_mouse_disable()
444 	static const char cmd[1] = { 0x14 };  in ikbd_joystick_event_on()
452 	static const char cmd[1] = { 0x15 };  in ikbd_joystick_event_off()
460 	static const char cmd[1] = { 0x16 };  in ikbd_joystick_get_state()
465 #if 0
470 	static const char cmd[2] = { 0x17, rate };
478 /* some joystick routines not in yet (0x18-0x19) */
483 	static const char cmd[1] = { 0x1A };  in ikbd_joystick_disable()
495 static int atari_keyb_done = 0;
502 		return 0;  in atari_keyb_init()
505 	kb_state.len = 0;  in atari_keyb_init()
507 	error = request_irq(IRQ_MFP_ACIA, atari_keyboard_interrupt, 0,  in atari_keyb_init()
517 				 ACIA_RHTID : 0);  in atari_keyb_init()
524 				 ACIA_RHTID : 0);  in atari_keyb_init()
538 				 ACIA_RHTID : 0);  in atari_keyb_init()
541 	} while ((st_mfp.par_dt_reg & 0x10) == 0);  in atari_keyb_init()
544 	st_mfp.active_edge &= ~0x10;  in atari_keyb_init()
554 	/* if not incremented: no 0xf1 received */  in atari_keyb_init()
557 	ikbd_self_test = 0;  in atari_keyb_init()
568 	return 0;  in atari_keyb_init()