1/*	$NetBSD: luapmf.c,v 1.5 2014/07/19 17:20:02 lneto Exp $ */
2
3/*
4 * Copyright (c) 2011, 2013 Marc Balmer <mbalmer@NetBSD.org>.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. The name of the Author may not be used to endorse or promote products
16 *    derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31/* Lua pmf module */
32
33#include <sys/param.h>
34#include <sys/device.h>
35#include <sys/lua.h>
36#ifdef _MODULE
37#include <sys/module.h>
38#endif
39#include <sys/reboot.h>
40
41#include <lua.h>
42#include <lauxlib.h>
43
44#ifdef _MODULE
45MODULE(MODULE_CLASS_MISC, luapmf, "lua");
46
47static int
48system_shutdown(lua_State *L)
49{
50	pmf_system_shutdown(lua_tointeger(L, 1));
51	return 0;
52}
53
54static int
55set_platform(lua_State *L)
56{
57	const char *key, *value;
58
59	key = lua_tostring(L, -2);
60	value = lua_tostring(L, -1);
61	if (key != NULL && value != NULL)
62		pmf_set_platform(key, value);
63	return 0;
64}
65
66static int
67get_platform(lua_State *L)
68{
69	const char *key, *value;
70
71	key = lua_tostring(L, -1);
72	if (key != NULL) {
73		value = pmf_get_platform(key);
74		if (value != NULL)
75			lua_pushstring(L, value);
76		else
77			lua_pushnil(L);
78	} else
79		lua_pushnil(L);
80	return 1;
81
82}
83
84static int
85luaopen_pmf(lua_State *L)
86{
87	const luaL_Reg pmf_lib[ ] = {
88		{ "system_shutdown",	system_shutdown },
89		{ "set_platform",	set_platform },
90		{ "get_platform",	get_platform },
91		{ NULL, NULL }
92	};
93
94	luaL_newlib(L, pmf_lib);
95
96	/* some integer values */
97	lua_pushinteger(L, PMFE_DISPLAY_ON);
98	lua_setfield(L, -2, "PMFE_DISPLAY_ON");
99	lua_pushinteger(L, PMFE_DISPLAY_REDUCED);
100	lua_setfield(L, -2, "PMFE_DISPLAY_REDUCED");
101	lua_pushinteger(L, PMFE_DISPLAY_STANDBY);
102	lua_setfield(L, -2, "PMFE_DISPLAY_STANDBY");
103	lua_pushinteger(L, PMFE_DISPLAY_SUSPEND);
104	lua_setfield(L, -2, "PMFE_DISPLAY_SUSPEND");
105	lua_pushinteger(L, PMFE_DISPLAY_OFF);
106	lua_setfield(L, -2, "PMFE_DISPLAY_OFF");
107	lua_pushinteger(L, PMFE_DISPLAY_BRIGHTNESS_UP);
108	lua_setfield(L, -2, "PMFE_DISPLAY_BRIGHTNESS_UP");
109	lua_pushinteger(L, PMFE_DISPLAY_BRIGHTNESS_DOWN);
110	lua_setfield(L, -2, "PMFE_DISPLAY_BRIGHTNESS_DOWN");
111	lua_pushinteger(L, PMFE_AUDIO_VOLUME_UP);
112	lua_setfield(L, -2, "PMFE_AUDIO_VOLUME_UP");
113	lua_pushinteger(L, PMFE_AUDIO_VOLUME_DOWN);
114	lua_setfield(L, -2, "PMFE_AUDIO_VOLUME_DOWN");
115	lua_pushinteger(L, PMFE_AUDIO_VOLUME_TOGGLE);
116	lua_setfield(L, -2, "PMFE_AUDIO_VOLUME_TOGGLE");
117	lua_pushinteger(L, PMFE_CHASSIS_LID_CLOSE);
118	lua_setfield(L, -2, "PMFE_CHASSIS_LID_CLOSE");
119	lua_pushinteger(L, PMFE_CHASSIS_LID_OPEN);
120	lua_setfield(L, -2, "PMFE_CHASSIS_LID_OPEN");
121
122	/* reboot(2) howto arg */
123	lua_pushinteger(L, RB_AUTOBOOT);
124	lua_setfield(L, -2, "RB_AUTOBOOT");
125	lua_pushinteger(L, RB_ASKNAME);
126	lua_setfield(L, -2, "RB_ASKNAME");
127	lua_pushinteger(L, RB_DUMP);
128	lua_setfield(L, -2, "RB_DUMP");
129	lua_pushinteger(L, RB_HALT);
130	lua_setfield(L, -2, "RB_HALT");
131	lua_pushinteger(L, RB_POWERDOWN);
132	lua_setfield(L, -2, "RB_POWERDOWN");
133	lua_pushinteger(L, RB_KDB);
134	lua_setfield(L, -2, "RB_KDB");
135	lua_pushinteger(L, RB_NOSYNC);
136	lua_setfield(L, -2, "RB_NOSYNC");
137	lua_pushinteger(L, RB_RDONLY);
138	lua_setfield(L, -2, "RB_RDONLY");
139	lua_pushinteger(L, RB_SINGLE);
140	lua_setfield(L, -2, "RB_SINGLE");
141	lua_pushinteger(L, RB_USERCONF);
142	lua_setfield(L, -2, "RB_USERCONF");
143
144	return 1;
145}
146
147static int
148luapmf_modcmd(modcmd_t cmd, void *opaque)
149{
150	int error;
151	switch (cmd) {
152	case MODULE_CMD_INIT:
153		error = klua_mod_register("pmf", luaopen_pmf);
154		break;
155	case MODULE_CMD_FINI:
156		error = klua_mod_unregister("pmf");
157		break;
158	default:
159		error = ENOTTY;
160	}
161	return error;
162}
163#endif
164