Commit 9e8e30a0 authored by Johannes Berg's avatar Johannes Berg Committed by Dmitry Torokhov
Browse files

Input: via-pmu - add input device support 



Add an input device for the button and lid switch so that userspace gets
notified about the user pressing them via the standard input layer.

Signed-off-by: default avatarJohannes Berg <johannes@sipsolutions.net>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent ca56fe07

drivers/macintosh/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -11,7 +11,7 @@ obj-$(CONFIG_MAC_EMUMOUSEBTN) += mac_hid.o 
obj-$(CONFIG_INPUT_ADBHID)	+= adbhid.o

obj-$(CONFIG_ANSLCD)		+= ans-lcd.o



obj-$(CONFIG_ADB_PMU)		+= via-pmu.o

obj-$(CONFIG_ADB_PMU)		+= via-pmu.o via-pmu-event.o

obj-$(CONFIG_PMAC_BACKLIGHT)	+= via-pmu-backlight.o

obj-$(CONFIG_ADB_CUDA)		+= via-cuda.o

obj-$(CONFIG_PMAC_APM_EMU)	+= apm_emu.o

drivers/macintosh/via-pmu-event.c

0 → 100644
+80 −0
Original line number Diff line number Diff line 
/*

 * via-pmu event device for reporting some events that come through the PMU

 *

 * Copyright 2006 Johannes Berg <johannes@sipsolutions.net>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful, but

 * WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or

 * NON INFRINGEMENT.  See the GNU General Public License for more

 * details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA

 *

 */



#include <linux/input.h>

#include <linux/adb.h>

#include <linux/pmu.h>

#include "via-pmu-event.h"



static struct input_dev *pmu_input_dev;



static int __init via_pmu_event_init(void)

{

	int err;



	/* do other models report button/lid status? */

	if (pmu_get_model() != PMU_KEYLARGO_BASED)

		return -ENODEV;



	pmu_input_dev = input_allocate_device();

	if (!pmu_input_dev)

		return -ENOMEM;



	pmu_input_dev->name = "PMU";

	pmu_input_dev->id.bustype = BUS_HOST;

	pmu_input_dev->id.vendor = 0x0001;

	pmu_input_dev->id.product = 0x0001;

	pmu_input_dev->id.version = 0x0100;



	set_bit(EV_KEY, pmu_input_dev->evbit);

	set_bit(EV_SW, pmu_input_dev->evbit);

	set_bit(KEY_POWER, pmu_input_dev->keybit);

	set_bit(SW_LID, pmu_input_dev->swbit);



	err = input_register_device(pmu_input_dev);

	if (err)

		input_free_device(pmu_input_dev);

	return err;

}



void via_pmu_event(int key, int down)

{



	if (unlikely(!pmu_input_dev))

		return;



	switch (key) {

	case PMU_EVT_POWER:

		input_report_key(pmu_input_dev, KEY_POWER, down);

		break;

	case PMU_EVT_LID:

		input_report_switch(pmu_input_dev, SW_LID, down);

		break;

	default:

		/* no such key handled */

		return;

	}



	input_sync(pmu_input_dev);

}



late_initcall(via_pmu_event_init);

drivers/macintosh/via-pmu-event.h

0 → 100644
+8 −0
Original line number Diff line number Diff line 
#ifndef __VIA_PMU_EVENT_H

#define __VIA_PMU_EVENT_H



#define PMU_EVT_POWER	0

#define PMU_EVT_LID	1

extern void via_pmu_event(int key, int down);



#endif /* __VIA_PMU_EVENT_H */

drivers/macintosh/via-pmu.c

+8 −0
Original line number Diff line number Diff line
@@ -69,6 +69,8 @@ 
#include <asm/open_pic.h>

#endif



#include "via-pmu-event.h"



/* Some compile options */

#undef SUSPEND_USES_PMU

#define DEBUG_SLEEP
@@ -1427,6 +1429,12 @@ pmu_handle_data(unsigned char *data, int len, struct pt_regs *regs) 
		if (pmu_battery_count)

			query_battery_state();

		pmu_pass_intr(data, len);

		/* len == 6 is probably a bad check. But how do I

		 * know what PMU versions send what events here? */

		if (len == 6) {

			via_pmu_event(PMU_EVT_POWER, !!(data[1]&8));

			via_pmu_event(PMU_EVT_LID, data[1]&1);

		}

	} else {

	       pmu_pass_intr(data, len);

	}