mac_keyb.c

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#ifdef CONFIG_PPC
	if ( (_machine != _MACH_chrp) && (_machine != _MACH_Pmac) )
		return;
#endif
#ifdef CONFIG_MAC
	if (!MACH_IS_MAC)
		return;
#endif

	/* setup key map */
	memcpy(key_maps[0], macplain_map, sizeof(plain_map));
	memcpy(key_maps[1], macshift_map, sizeof(plain_map));
	memcpy(key_maps[2], macaltgr_map, sizeof(plain_map));
	memcpy(key_maps[4], macctrl_map, sizeof(plain_map));
	memcpy(key_maps[5], macshift_ctrl_map, sizeof(plain_map));
	memcpy(key_maps[8], macalt_map, sizeof(plain_map));
	memcpy(key_maps[12], macctrl_alt_map, sizeof(plain_map));

#ifdef CONFIG_ADBMOUSE
	/* initialize mouse interrupt hook */
	adb_mouse_interrupt_hook = NULL;
#endif

	led_request.complete = 1;

	mackeyb_probe();

	notifier_chain_register(&adb_client_list, &mackeyb_adb_notifier);
}

static int
adb_message_handler(struct notifier_block *this, unsigned long code, void *x)
{
	unsigned long flags;

	switch (code) {
	case ADB_MSG_PRE_RESET:
	case ADB_MSG_POWERDOWN:
		/* Stop the repeat timer. Autopoll is already off at this point */
		save_flags(flags);
		cli();
		del_timer(&repeat_timer);
		restore_flags(flags);

		/* Stop pending led requests */
		while(!led_request.complete)
			adb_poll();
		break;

	case ADB_MSG_POST_RESET:
		mackeyb_probe();
		break;
	}
	return NOTIFY_DONE;
}

static void
mackeyb_probe(void)
{
	struct adb_request req;
	int i;

#ifdef CONFIG_ADBMOUSE
	adb_register(ADB_MOUSE, 0, &mouse_ids, mouse_input);
#endif /* CONFIG_ADBMOUSE */

	adb_register(ADB_KEYBOARD, 0, &keyboard_ids, keyboard_input);
	adb_register(0x07, 0x1F, &buttons_ids, buttons_input);

	for (i = 0; i < keyboard_ids.nids; i++) {
		int id = keyboard_ids.id[i];

		/* turn off all leds */
		adb_request(&req, NULL, ADBREQ_SYNC, 3,
			    ADB_WRITEREG(id, KEYB_LEDREG), 0xff, 0xff);

		/* Enable full feature set of the keyboard
		   ->get it to send separate codes for left and right shift,
		   control, option keys */
#if 0		/* handler 5 doesn't send separate codes for R modifiers */
		if (adb_try_handler_change(id, 5))
			printk("ADB keyboard at %d, handler set to 5\n", id);
		else
#endif
		if (adb_try_handler_change(id, 3))
			printk("ADB keyboard at %d, handler set to 3\n", id);
		else
			printk("ADB keyboard at %d, handler 1\n", id);
	}

	/* Try to switch all mice to handler 4, or 2 for three-button
	   mode and full resolution. */
	for (i = 0; i < mouse_ids.nids; i++) {
		int id = mouse_ids.id[i];
		if (adb_try_handler_change(id, 4)) {
			printk("ADB mouse at %d, handler set to 4", id);
			adb_mouse_kinds[id] = ADBMOUSE_EXTENDED;
		}
		else if (adb_try_handler_change(id, 0x2F)) {
			printk("ADB mouse at %d, handler set to 0x2F", id);
			adb_mouse_kinds[id] = ADBMOUSE_MICROSPEED;
		}
		else if (adb_try_handler_change(id, 0x42)) {
			printk("ADB mouse at %d, handler set to 0x42", id);
			adb_mouse_kinds[id] = ADBMOUSE_TRACKBALLPRO;
		}
		else if (adb_try_handler_change(id, 0x66)) {
			printk("ADB mouse at %d, handler set to 0x66", id);
			adb_mouse_kinds[id] = ADBMOUSE_MICROSPEED;
		}
		else if (adb_try_handler_change(id, 0x5F)) {
			printk("ADB mouse at %d, handler set to 0x5F", id);
			adb_mouse_kinds[id] = ADBMOUSE_MICROSPEED;
		}
		else if (adb_try_handler_change(id, 3)) {
			printk("ADB mouse at %d, handler set to 3", id);
			adb_mouse_kinds[id] = ADBMOUSE_MS_A3;
		}
		else if (adb_try_handler_change(id, 2)) {
			printk("ADB mouse at %d, handler set to 2", id);
			adb_mouse_kinds[id] = ADBMOUSE_STANDARD_200;
		}
		else {
			printk("ADB mouse at %d, handler 1", id);
			adb_mouse_kinds[id] = ADBMOUSE_STANDARD_100;
		}

		if ((adb_mouse_kinds[id] == ADBMOUSE_TRACKBALLPRO)
		    || (adb_mouse_kinds[id] == ADBMOUSE_MICROSPEED)) {
			init_microspeed(id);
		} else if (adb_mouse_kinds[id] == ADBMOUSE_MS_A3) {
			init_ms_a3(id);
		}  else if (adb_mouse_kinds[id] ==  ADBMOUSE_EXTENDED) {
			/*
			 * Register 1 is usually used for device
			 * identification.  Here, we try to identify
			 * a known device and call the appropriate
			 * init function.
			 */
			adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1,
				    ADB_READREG(id, 1));

			if ((req.reply_len) &&
			    (req.reply[1] == 0x9a) && ((req.reply[2] == 0x21)
				|| (req.reply[2] == 0x20)))
				init_trackball(id);
			else if ((req.reply_len >= 4) &&
			    (req.reply[1] == 0x74) && (req.reply[2] == 0x70) &&
			    (req.reply[3] == 0x61) && (req.reply[4] == 0x64))
				init_trackpad(id);
			else if ((req.reply_len >= 4) &&
			    (req.reply[1] == 0x4b) && (req.reply[2] == 0x4d) &&
			    (req.reply[3] == 0x4c) && (req.reply[4] == 0x31))
				init_turbomouse(id);
			else if ((req.reply_len == 9) &&
			    (req.reply[1] == 0x4b) && (req.reply[2] == 0x4f) &&
			    (req.reply[3] == 0x49) && (req.reply[4] == 0x54)){
				if (adb_try_handler_change(id, 0x42)) {
					printk("\nADB MacAlly 2-button mouse at %d, handler set to 0x42", id);
					adb_mouse_kinds[id] = ADBMOUSE_MACALLY2;
				}
			}
		}
		printk("\n");
        }
}

static void
init_trackpad(int id)
{
	struct adb_request req;
	unsigned char r1_buffer[8];

	printk(" (trackpad)");

	adb_mouse_kinds[id] = ADBMOUSE_TRACKPAD;

	adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1,
	ADB_READREG(id,1));
	if (req.reply_len < 8)
	    printk("bad length for reg. 1\n");
	else
	{
	    memcpy(r1_buffer, &req.reply[1], 8);
	    adb_request(&req, NULL, ADBREQ_SYNC, 9,
	        ADB_WRITEREG(id,1),
	            r1_buffer[0],
	            r1_buffer[1],
	            r1_buffer[2],
	            r1_buffer[3],
	            r1_buffer[4],
	            r1_buffer[5],
	            0x0d, /*r1_buffer[6],*/
	            r1_buffer[7]);

            adb_request(&req, NULL, ADBREQ_SYNC, 9,
	        ADB_WRITEREG(id,2),
		    0x99,
		    0x94,
		    0x19,
		    0xff,
		    0xb2,
		    0x8a,
		    0x1b,
		    0x50);

	    adb_request(&req, NULL, ADBREQ_SYNC, 9,
	        ADB_WRITEREG(id,1),
	            r1_buffer[0],
	            r1_buffer[1],
	            r1_buffer[2],
	            r1_buffer[3],
	            r1_buffer[4],
	            r1_buffer[5],
	            0x03, /*r1_buffer[6],*/
	            r1_buffer[7]);
        }
}

static void
init_trackball(int id)
{
	struct adb_request req;

	printk(" (trackman/mouseman)");

	adb_mouse_kinds[id] = ADBMOUSE_TRACKBALL;

	adb_request(&req, NULL, ADBREQ_SYNC, 3,
	ADB_WRITEREG(id,1), 00,0x81);

	adb_request(&req, NULL, ADBREQ_SYNC, 3,
	ADB_WRITEREG(id,1), 01,0x81);

	adb_request(&req, NULL, ADBREQ_SYNC, 3,
	ADB_WRITEREG(id,1), 02,0x81);

	adb_request(&req, NULL, ADBREQ_SYNC, 3,
	ADB_WRITEREG(id,1), 03,0x38);

	adb_request(&req, NULL, ADBREQ_SYNC, 3,
	ADB_WRITEREG(id,1), 00,0x81);

	adb_request(&req, NULL, ADBREQ_SYNC, 3,
	ADB_WRITEREG(id,1), 01,0x81);

	adb_request(&req, NULL, ADBREQ_SYNC, 3,
	ADB_WRITEREG(id,1), 02,0x81);

	adb_request(&req, NULL, ADBREQ_SYNC, 3,
	ADB_WRITEREG(id,1), 03,0x38);
}

static void
init_turbomouse(int id)
{
	struct adb_request req;

        printk(" (TurboMouse 5)");

	adb_mouse_kinds[id] = ADBMOUSE_TURBOMOUSE5;

	adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));

	adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3));

	adb_request(&req, NULL, ADBREQ_SYNC, 9,
	ADB_WRITEREG(3,2),
	    0xe7,
	    0x8c,
	    0,
	    0,
	    0,
	    0xff,
	    0xff,
	    0x94);

	adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3));

	adb_request(&req, NULL, ADBREQ_SYNC, 9,
	ADB_WRITEREG(3,2),
	    0xa5,
	    0x14,
	    0,
	    0,
	    0x69,
	    0xff,
	    0xff,
	    0x27);
}

static void
init_microspeed(int id)
{
	struct adb_request req;

        printk(" (Microspeed/MacPoint or compatible)");

	adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));

	/* This will initialize mice using the Microspeed, MacPoint and
	   other compatible firmware. Bit 12 enables extended protocol.

	   Register 1 Listen (4 Bytes)
            0 -  3     Button is mouse (set also for double clicking!!!)
            4 -  7     Button is locking (affects change speed also)
            8 - 11     Button changes speed
           12          1 = Extended mouse mode, 0 = normal mouse mode
           13 - 15     unused 0
           16 - 23     normal speed
           24 - 31     changed speed

       Register 1 talk holds version and product identification information.
       Register 1 Talk (4 Bytes):
            0 -  7     Product code
            8 - 23     undefined, reserved
           24 - 31     Version number

       Speed 0 is max. 1 to 255 set speed in increments of 1/256 of max.
 */
	adb_request(&req, NULL, ADBREQ_SYNC, 5,
	ADB_WRITEREG(id,1),
	    0x20,	/* alt speed = 0x20 (rather slow) */
	    0x00,	/* norm speed = 0x00 (fastest) */
	    0x10,	/* extended protocol, no speed change */
	    0x07);	/* all buttons enabled as mouse buttons, no locking */


	adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
}

static void
init_ms_a3(int id)
{
	struct adb_request req;

	printk(" (Mouse Systems A3 Mouse, or compatible)");
	adb_request(&req, NULL, ADBREQ_SYNC, 3,
	ADB_WRITEREG(id, 0x2),
	    0x00,
	    0x07);

 	adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
 }