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

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
......@@ -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
......
/*
* 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);
#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 */
......@@ -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);
}
......
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