1*9e8e30a0SJohannes Berg /*
2*9e8e30a0SJohannes Berg * via-pmu event device for reporting some events that come through the PMU
3*9e8e30a0SJohannes Berg *
4*9e8e30a0SJohannes Berg * Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
5*9e8e30a0SJohannes Berg *
6*9e8e30a0SJohannes Berg * This program is free software; you can redistribute it and/or modify
7*9e8e30a0SJohannes Berg * it under the terms of the GNU General Public License as published by
8*9e8e30a0SJohannes Berg * the Free Software Foundation; either version 2 of the License, or
9*9e8e30a0SJohannes Berg * (at your option) any later version.
10*9e8e30a0SJohannes Berg *
11*9e8e30a0SJohannes Berg * This program is distributed in the hope that it will be useful, but
12*9e8e30a0SJohannes Berg * WITHOUT ANY WARRANTY; without even the implied warranty of
13*9e8e30a0SJohannes Berg * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
14*9e8e30a0SJohannes Berg * NON INFRINGEMENT. See the GNU General Public License for more
15*9e8e30a0SJohannes Berg * details.
16*9e8e30a0SJohannes Berg *
17*9e8e30a0SJohannes Berg * You should have received a copy of the GNU General Public License
18*9e8e30a0SJohannes Berg * along with this program; if not, write to the Free Software
19*9e8e30a0SJohannes Berg * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20*9e8e30a0SJohannes Berg *
21*9e8e30a0SJohannes Berg */
22*9e8e30a0SJohannes Berg
23*9e8e30a0SJohannes Berg #include <linux/input.h>
24*9e8e30a0SJohannes Berg #include <linux/adb.h>
25*9e8e30a0SJohannes Berg #include <linux/pmu.h>
26*9e8e30a0SJohannes Berg #include "via-pmu-event.h"
27*9e8e30a0SJohannes Berg
28*9e8e30a0SJohannes Berg static struct input_dev *pmu_input_dev;
29*9e8e30a0SJohannes Berg
via_pmu_event_init(void)30*9e8e30a0SJohannes Berg static int __init via_pmu_event_init(void)
31*9e8e30a0SJohannes Berg {
32*9e8e30a0SJohannes Berg int err;
33*9e8e30a0SJohannes Berg
34*9e8e30a0SJohannes Berg /* do other models report button/lid status? */
35*9e8e30a0SJohannes Berg if (pmu_get_model() != PMU_KEYLARGO_BASED)
36*9e8e30a0SJohannes Berg return -ENODEV;
37*9e8e30a0SJohannes Berg
38*9e8e30a0SJohannes Berg pmu_input_dev = input_allocate_device();
39*9e8e30a0SJohannes Berg if (!pmu_input_dev)
40*9e8e30a0SJohannes Berg return -ENOMEM;
41*9e8e30a0SJohannes Berg
42*9e8e30a0SJohannes Berg pmu_input_dev->name = "PMU";
43*9e8e30a0SJohannes Berg pmu_input_dev->id.bustype = BUS_HOST;
44*9e8e30a0SJohannes Berg pmu_input_dev->id.vendor = 0x0001;
45*9e8e30a0SJohannes Berg pmu_input_dev->id.product = 0x0001;
46*9e8e30a0SJohannes Berg pmu_input_dev->id.version = 0x0100;
47*9e8e30a0SJohannes Berg
48*9e8e30a0SJohannes Berg set_bit(EV_KEY, pmu_input_dev->evbit);
49*9e8e30a0SJohannes Berg set_bit(EV_SW, pmu_input_dev->evbit);
50*9e8e30a0SJohannes Berg set_bit(KEY_POWER, pmu_input_dev->keybit);
51*9e8e30a0SJohannes Berg set_bit(SW_LID, pmu_input_dev->swbit);
52*9e8e30a0SJohannes Berg
53*9e8e30a0SJohannes Berg err = input_register_device(pmu_input_dev);
54*9e8e30a0SJohannes Berg if (err)
55*9e8e30a0SJohannes Berg input_free_device(pmu_input_dev);
56*9e8e30a0SJohannes Berg return err;
57*9e8e30a0SJohannes Berg }
58*9e8e30a0SJohannes Berg
via_pmu_event(int key,int down)59*9e8e30a0SJohannes Berg void via_pmu_event(int key, int down)
60*9e8e30a0SJohannes Berg {
61*9e8e30a0SJohannes Berg
62*9e8e30a0SJohannes Berg if (unlikely(!pmu_input_dev))
63*9e8e30a0SJohannes Berg return;
64*9e8e30a0SJohannes Berg
65*9e8e30a0SJohannes Berg switch (key) {
66*9e8e30a0SJohannes Berg case PMU_EVT_POWER:
67*9e8e30a0SJohannes Berg input_report_key(pmu_input_dev, KEY_POWER, down);
68*9e8e30a0SJohannes Berg break;
69*9e8e30a0SJohannes Berg case PMU_EVT_LID:
70*9e8e30a0SJohannes Berg input_report_switch(pmu_input_dev, SW_LID, down);
71*9e8e30a0SJohannes Berg break;
72*9e8e30a0SJohannes Berg default:
73*9e8e30a0SJohannes Berg /* no such key handled */
74*9e8e30a0SJohannes Berg return;
75*9e8e30a0SJohannes Berg }
76*9e8e30a0SJohannes Berg
77*9e8e30a0SJohannes Berg input_sync(pmu_input_dev);
78*9e8e30a0SJohannes Berg }
79*9e8e30a0SJohannes Berg
80*9e8e30a0SJohannes Berg late_initcall(via_pmu_event_init);
81