[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / power / test_power.c

/*
 * Power supply driver for testing.
 *
 * Copyright 2010  Anton Vorontsov <cbouatmailru@gmail.com>
 *
 * Dynamic module parameter code from the Virtual Battery Driver
 * Copyright (C) 2008 Pylone, Inc.
 * By: Masashi YOKOTA <yokota@pylone.jp>
 * Originally found here:
 * http://downloads.pylone.jp/src/virtual_battery/virtual_battery-0.0.1.tar.bz2
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/power_supply.h>
#include <linux/errno.h>
#include <linux/delay.h>
#include <linux/vermagic.h>

static int ac_online			= 1;
static int usb_online			= 1;
static int battery_status		= POWER_SUPPLY_STATUS_DISCHARGING;
static int battery_health		= POWER_SUPPLY_HEALTH_GOOD;
static int battery_present		= 1; /* true */
static int battery_technology		= POWER_SUPPLY_TECHNOLOGY_LION;
static int battery_capacity		= 50;

static int test_power_get_ac_property(struct power_supply *psy,
				      enum power_supply_property psp,
				      union power_supply_propval *val)
{
	switch (psp) {
	case POWER_SUPPLY_PROP_ONLINE:
		val->intval = ac_online;
		break;
	default:
		return -EINVAL;
	}
	return 0;
}

static int test_power_get_usb_property(struct power_supply *psy,
				      enum power_supply_property psp,
				      union power_supply_propval *val)
{
	switch (psp) {
	case POWER_SUPPLY_PROP_ONLINE:
		val->intval = usb_online;
		break;
	default:
		return -EINVAL;
	}
	return 0;
}

static int test_power_get_battery_property(struct power_supply *psy,
					   enum power_supply_property psp,
					   union power_supply_propval *val)
{
	switch (psp) {
	case POWER_SUPPLY_PROP_MODEL_NAME:
		val->strval = "Test battery";
		break;
	case POWER_SUPPLY_PROP_MANUFACTURER:
		val->strval = "Linux";
		break;
	case POWER_SUPPLY_PROP_SERIAL_NUMBER:
		val->strval = UTS_RELEASE;
		break;
	case POWER_SUPPLY_PROP_STATUS:
		val->intval = battery_status;
		break;
	case POWER_SUPPLY_PROP_CHARGE_TYPE:
		val->intval = POWER_SUPPLY_CHARGE_TYPE_FAST;
		break;
	case POWER_SUPPLY_PROP_HEALTH:
		val->intval = battery_health;
		break;
	case POWER_SUPPLY_PROP_PRESENT:
		val->intval = battery_present;
		break;
	case POWER_SUPPLY_PROP_TECHNOLOGY:
		val->intval = battery_technology;
		break;
	case POWER_SUPPLY_PROP_CAPACITY_LEVEL:
		val->intval = POWER_SUPPLY_CAPACITY_LEVEL_NORMAL;
		break;
	case POWER_SUPPLY_PROP_CAPACITY:
	case POWER_SUPPLY_PROP_CHARGE_NOW:
		val->intval = battery_capacity;
		break;
	case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
	case POWER_SUPPLY_PROP_CHARGE_FULL:
		val->intval = 100;
		break;
	case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG:
	case POWER_SUPPLY_PROP_TIME_TO_FULL_NOW:
		val->intval = 3600;
		break;
	default:
		pr_info("%s: some properties deliberately report errors.\n",
			__func__);
		return -EINVAL;
	}
	return 0;
}

static enum power_supply_property test_power_ac_props[] = {
	POWER_SUPPLY_PROP_ONLINE,
};

static enum power_supply_property test_power_battery_props[] = {
	POWER_SUPPLY_PROP_STATUS,
	POWER_SUPPLY_PROP_CHARGE_TYPE,
	POWER_SUPPLY_PROP_HEALTH,
	POWER_SUPPLY_PROP_PRESENT,
	POWER_SUPPLY_PROP_TECHNOLOGY,
	POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
	POWER_SUPPLY_PROP_CHARGE_FULL,
	POWER_SUPPLY_PROP_CHARGE_NOW,
	POWER_SUPPLY_PROP_CAPACITY,
	POWER_SUPPLY_PROP_CAPACITY_LEVEL,
	POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
	POWER_SUPPLY_PROP_TIME_TO_FULL_NOW,
	POWER_SUPPLY_PROP_MODEL_NAME,
	POWER_SUPPLY_PROP_MANUFACTURER,
	POWER_SUPPLY_PROP_SERIAL_NUMBER,
};

static char *test_power_ac_supplied_to[] = {
	"test_battery",
};

static struct power_supply test_power_supplies[] = {
	{
		.name = "test_ac",
		.type = POWER_SUPPLY_TYPE_MAINS,
		.supplied_to = test_power_ac_supplied_to,
		.num_supplicants = ARRAY_SIZE(test_power_ac_supplied_to),
		.properties = test_power_ac_props,
		.num_properties = ARRAY_SIZE(test_power_ac_props),
		.get_property = test_power_get_ac_property,
	}, {
		.name = "test_battery",
		.type = POWER_SUPPLY_TYPE_BATTERY,
		.properties = test_power_battery_props,
		.num_properties = ARRAY_SIZE(test_power_battery_props),
		.get_property = test_power_get_battery_property,
	}, {
		.name = "test_usb",
		.type = POWER_SUPPLY_TYPE_USB,
		.supplied_to = test_power_ac_supplied_to,
		.num_supplicants = ARRAY_SIZE(test_power_ac_supplied_to),
		.properties = test_power_ac_props,
		.num_properties = ARRAY_SIZE(test_power_ac_props),
		.get_property = test_power_get_usb_property,
	},
};


static int __init test_power_init(void)
{
	int i;
	int ret;

	for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++) {
		ret = power_supply_register(NULL, &test_power_supplies[i]);
		if (ret) {
			pr_err("%s: failed to register %s\n", __func__,
				test_power_supplies[i].name);
			goto failed;
		}
	}

	return 0;
failed:
	while (--i >= 0)
		power_supply_unregister(&test_power_supplies[i]);
	return ret;
}
module_init(test_power_init);

static void __exit test_power_exit(void)
{
	int i;

	/* Let's see how we handle changes... */
	ac_online = 0;
	usb_online = 0;
	battery_status = POWER_SUPPLY_STATUS_DISCHARGING;
	for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++)
		power_supply_changed(&test_power_supplies[i]);
	pr_info("%s: 'changed' event sent, sleeping for 10 seconds...\n",
		__func__);
	ssleep(10);

	for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++)
		power_supply_unregister(&test_power_supplies[i]);
}
module_exit(test_power_exit);


#define MAX_KEYLENGTH 256
struct battery_property_map {
	int value;
	char const *key;
};

static struct battery_property_map map_ac_online[] = {
	{ 0,  "on"  },
	{ 1,  "off" },
	{ -1, NULL  },
};

static struct battery_property_map map_status[] = {
	{ POWER_SUPPLY_STATUS_CHARGING,     "charging"     },
	{ POWER_SUPPLY_STATUS_DISCHARGING,  "discharging"  },
	{ POWER_SUPPLY_STATUS_NOT_CHARGING, "not-charging" },
	{ POWER_SUPPLY_STATUS_FULL,         "full"         },
	{ -1,                               NULL           },
};

static struct battery_property_map map_health[] = {
	{ POWER_SUPPLY_HEALTH_GOOD,           "good"        },
	{ POWER_SUPPLY_HEALTH_OVERHEAT,       "overheat"    },
	{ POWER_SUPPLY_HEALTH_DEAD,           "dead"        },
	{ POWER_SUPPLY_HEALTH_OVERVOLTAGE,    "overvoltage" },
	{ POWER_SUPPLY_HEALTH_UNSPEC_FAILURE, "failure"     },
	{ -1,                                 NULL          },
};

static struct battery_property_map map_present[] = {
	{ 0,  "false" },
	{ 1,  "true"  },
	{ -1, NULL    },
};

static struct battery_property_map map_technology[] = {
	{ POWER_SUPPLY_TECHNOLOGY_NiMH, "NiMH" },
	{ POWER_SUPPLY_TECHNOLOGY_LION, "LION" },
	{ POWER_SUPPLY_TECHNOLOGY_LIPO, "LIPO" },
	{ POWER_SUPPLY_TECHNOLOGY_LiFe, "LiFe" },
	{ POWER_SUPPLY_TECHNOLOGY_NiCd, "NiCd" },
	{ POWER_SUPPLY_TECHNOLOGY_LiMn, "LiMn" },
	{ -1,				NULL   },
};


static int map_get_value(struct battery_property_map *map, const char *key,
				int def_val)
{
	char buf[MAX_KEYLENGTH];
	int cr;

	strncpy(buf, key, MAX_KEYLENGTH);
	buf[MAX_KEYLENGTH-1] = '\0';

	cr = strnlen(buf, MAX_KEYLENGTH) - 1;
	if (buf[cr] == '\n')
		buf[cr] = '\0';

	while (map->key) {
		if (strncasecmp(map->key, buf, MAX_KEYLENGTH) == 0)
			return map->value;
		map++;
	}

	return def_val;
}


static const char *map_get_key(struct battery_property_map *map, int value,
				const char *def_key)
{
	while (map->key) {
		if (map->value == value)
			return map->key;
		map++;
	}

	return def_key;
}

static int param_set_ac_online(const char *key, const struct kernel_param *kp)
{
	ac_online = map_get_value(map_ac_online, key, ac_online);
	power_supply_changed(&test_power_supplies[0]);
	return 0;
}

static int param_get_ac_online(char *buffer, const struct kernel_param *kp)
{
	strcpy(buffer, map_get_key(map_ac_online, ac_online, "unknown"));
	return strlen(buffer);
}

static int param_set_usb_online(const char *key, const struct kernel_param *kp)
{
	usb_online = map_get_value(map_ac_online, key, usb_online);
	power_supply_changed(&test_power_supplies[2]);
	return 0;
}

static int param_get_usb_online(char *buffer, const struct kernel_param *kp)
{
	strcpy(buffer, map_get_key(map_ac_online, usb_online, "unknown"));
	return strlen(buffer);
}

static int param_set_battery_status(const char *key,
					const struct kernel_param *kp)
{
	battery_status = map_get_value(map_status, key, battery_status);
	power_supply_changed(&test_power_supplies[1]);
	return 0;
}

static int param_get_battery_status(char *buffer, const struct kernel_param *kp)
{
	strcpy(buffer, map_get_key(map_status, battery_status, "unknown"));
	return strlen(buffer);
}

static int param_set_battery_health(const char *key,
					const struct kernel_param *kp)
{
	battery_health = map_get_value(map_health, key, battery_health);
	power_supply_changed(&test_power_supplies[1]);
	return 0;
}

static int param_get_battery_health(char *buffer, const struct kernel_param *kp)
{
	strcpy(buffer, map_get_key(map_health, battery_health, "unknown"));
	return strlen(buffer);
}

static int param_set_battery_present(const char *key,
					const struct kernel_param *kp)
{
	battery_present = map_get_value(map_present, key, battery_present);
	power_supply_changed(&test_power_supplies[0]);
	return 0;
}

static int param_get_battery_present(char *buffer,
					const struct kernel_param *kp)
{
	strcpy(buffer, map_get_key(map_present, battery_present, "unknown"));
	return strlen(buffer);
}

static int param_set_battery_technology(const char *key,
					const struct kernel_param *kp)
{
	battery_technology = map_get_value(map_technology, key,
						battery_technology);
	power_supply_changed(&test_power_supplies[1]);
	return 0;
}

static int param_get_battery_technology(char *buffer,
					const struct kernel_param *kp)
{
	strcpy(buffer,
		map_get_key(map_technology, battery_technology, "unknown"));
	return strlen(buffer);
}

static int param_set_battery_capacity(const char *key,
					const struct kernel_param *kp)
{
	int tmp;

	if (1 != sscanf(key, "%d", &tmp))
		return -EINVAL;

	battery_capacity = tmp;
	power_supply_changed(&test_power_supplies[1]);
	return 0;
}

#define param_get_battery_capacity param_get_int

static struct kernel_param_ops param_ops_ac_online = {
	.set = param_set_ac_online,
	.get = param_get_ac_online,
};

static struct kernel_param_ops param_ops_usb_online = {
	.set = param_set_usb_online,
	.get = param_get_usb_online,
};

static struct kernel_param_ops param_ops_battery_status = {
	.set = param_set_battery_status,
	.get = param_get_battery_status,
};

static struct kernel_param_ops param_ops_battery_present = {
	.set = param_set_battery_present,
	.get = param_get_battery_present,
};

static struct kernel_param_ops param_ops_battery_technology = {
	.set = param_set_battery_technology,
	.get = param_get_battery_technology,
};

static struct kernel_param_ops param_ops_battery_health = {
	.set = param_set_battery_health,
	.get = param_get_battery_health,
};

static struct kernel_param_ops param_ops_battery_capacity = {
	.set = param_set_battery_capacity,
	.get = param_get_battery_capacity,
};


#define param_check_ac_online(name, p) __param_check(name, p, void);
#define param_check_usb_online(name, p) __param_check(name, p, void);
#define param_check_battery_status(name, p) __param_check(name, p, void);
#define param_check_battery_present(name, p) __param_check(name, p, void);
#define param_check_battery_technology(name, p) __param_check(name, p, void);
#define param_check_battery_health(name, p) __param_check(name, p, void);
#define param_check_battery_capacity(name, p) __param_check(name, p, void);


module_param(ac_online, ac_online, 0644);
MODULE_PARM_DESC(ac_online, "AC charging state <on|off>");

module_param(usb_online, usb_online, 0644);
MODULE_PARM_DESC(usb_online, "USB charging state <on|off>");

module_param(battery_status, battery_status, 0644);
MODULE_PARM_DESC(battery_status,
	"battery status <charging|discharging|not-charging|full>");

module_param(battery_present, battery_present, 0644);
MODULE_PARM_DESC(battery_present,
	"battery presence state <good|overheat|dead|overvoltage|failure>");

module_param(battery_technology, battery_technology, 0644);
MODULE_PARM_DESC(battery_technology,
	"battery technology <NiMH|LION|LIPO|LiFe|NiCd|LiMn>");

module_param(battery_health, battery_health, 0644);
MODULE_PARM_DESC(battery_health,
	"battery health state <good|overheat|dead|overvoltage|failure>");

module_param(battery_capacity, battery_capacity, 0644);
MODULE_PARM_DESC(battery_capacity, "battery capacity (percentage)");


MODULE_DESCRIPTION("Power supply driver for testing");
MODULE_AUTHOR("Anton Vorontsov <cbouatmailru@gmail.com>");
MODULE_LICENSE("GPL");
Commit	Line	Data
a1e50fd4 AV	1	/*
	2	* Power supply driver for testing.
	3	*
	4	* Copyright 2010 Anton Vorontsov <cbouatmailru@gmail.com>
	5	*
f17ef9b2 JS	6	* Dynamic module parameter code from the Virtual Battery Driver
	7	* Copyright (C) 2008 Pylone, Inc.
	8	* By: Masashi YOKOTA <yokota@pylone.jp>
	9	* Originally found here:
	10	* http://downloads.pylone.jp/src/virtual_battery/virtual_battery-0.0.1.tar.bz2
	11	*
a1e50fd4 AV	12	* This program is free software; you can redistribute it and/or modify
	13	* it under the terms of the GNU General Public License version 2 as
	14	* published by the Free Software Foundation.
	15	*/
	16
	17	#include <linux/kernel.h>
	18	#include <linux/module.h>
	19	#include <linux/power_supply.h>
	20	#include <linux/errno.h>
	21	#include <linux/delay.h>
	22	#include <linux/vermagic.h>
	23
f17ef9b2	24	static int ac_online = 1;
73847375	25	static int usb_online = 1;
f17ef9b2 JS	26	static int battery_status = POWER_SUPPLY_STATUS_DISCHARGING;
	27	static int battery_health = POWER_SUPPLY_HEALTH_GOOD;
	28	static int battery_present = 1; /* true */
	29	static int battery_technology = POWER_SUPPLY_TECHNOLOGY_LION;
	30	static int battery_capacity = 50;
a1e50fd4 AV	31
	32	static int test_power_get_ac_property(struct power_supply *psy,
	33	enum power_supply_property psp,
	34	union power_supply_propval *val)
	35	{
	36	switch (psp) {
	37	case POWER_SUPPLY_PROP_ONLINE:
f17ef9b2	38	val->intval = ac_online;
a1e50fd4 AV	39	break;
	40	default:
	41	return -EINVAL;
	42	}
	43	return 0;
	44	}
	45
73847375 DES	46	static int test_power_get_usb_property(struct power_supply *psy,
	47	enum power_supply_property psp,
	48	union power_supply_propval *val)
	49	{
	50	switch (psp) {
	51	case POWER_SUPPLY_PROP_ONLINE:
	52	val->intval = usb_online;
	53	break;
	54	default:
	55	return -EINVAL;
	56	}
	57	return 0;
	58	}
	59
a1e50fd4 AV	60	static int test_power_get_battery_property(struct power_supply *psy,
	61	enum power_supply_property psp,
	62	union power_supply_propval *val)
	63	{
	64	switch (psp) {
	65	case POWER_SUPPLY_PROP_MODEL_NAME:
	66	val->strval = "Test battery";
	67	break;
	68	case POWER_SUPPLY_PROP_MANUFACTURER:
	69	val->strval = "Linux";
	70	break;
	71	case POWER_SUPPLY_PROP_SERIAL_NUMBER:
	72	val->strval = UTS_RELEASE;
	73	break;
	74	case POWER_SUPPLY_PROP_STATUS:
f17ef9b2	75	val->intval = battery_status;
a1e50fd4 AV	76	break;
	77	case POWER_SUPPLY_PROP_CHARGE_TYPE:
	78	val->intval = POWER_SUPPLY_CHARGE_TYPE_FAST;
	79	break;
	80	case POWER_SUPPLY_PROP_HEALTH:
f17ef9b2 JS	81	val->intval = battery_health;
	82	break;
	83	case POWER_SUPPLY_PROP_PRESENT:
	84	val->intval = battery_present;
a1e50fd4 AV	85	break;
a1e50fd4 AV	86	case POWER_SUPPLY_PROP_TECHNOLOGY:
f17ef9b2	87	val->intval = battery_technology;
a1e50fd4 AV	88	break;
	89	case POWER_SUPPLY_PROP_CAPACITY_LEVEL:
	90	val->intval = POWER_SUPPLY_CAPACITY_LEVEL_NORMAL;
	91	break;
	92	case POWER_SUPPLY_PROP_CAPACITY:
f17ef9b2 JS	93	case POWER_SUPPLY_PROP_CHARGE_NOW:
	94	val->intval = battery_capacity;
	95	break;
	96	case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
	97	case POWER_SUPPLY_PROP_CHARGE_FULL:
	98	val->intval = 100;
a1e50fd4 AV	99	break;
	100	case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG:
	101	case POWER_SUPPLY_PROP_TIME_TO_FULL_NOW:
	102	val->intval = 3600;
	103	break;
	104	default:
	105	pr_info("%s: some properties deliberately report errors.\n",
	106	__func__);
	107	return -EINVAL;
	108	}
	109	return 0;
	110	}
	111
	112	static enum power_supply_property test_power_ac_props[] = {
	113	POWER_SUPPLY_PROP_ONLINE,
	114	};
	115
	116	static enum power_supply_property test_power_battery_props[] = {
	117	POWER_SUPPLY_PROP_STATUS,
	118	POWER_SUPPLY_PROP_CHARGE_TYPE,
	119	POWER_SUPPLY_PROP_HEALTH,
f17ef9b2	120	POWER_SUPPLY_PROP_PRESENT,
a1e50fd4	121	POWER_SUPPLY_PROP_TECHNOLOGY,
f17ef9b2	122	POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
a1e50fd4	123	POWER_SUPPLY_PROP_CHARGE_FULL,
f17ef9b2	124	POWER_SUPPLY_PROP_CHARGE_NOW,
a1e50fd4 AV	125	POWER_SUPPLY_PROP_CAPACITY,
	126	POWER_SUPPLY_PROP_CAPACITY_LEVEL,
	127	POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
	128	POWER_SUPPLY_PROP_TIME_TO_FULL_NOW,
	129	POWER_SUPPLY_PROP_MODEL_NAME,
	130	POWER_SUPPLY_PROP_MANUFACTURER,
	131	POWER_SUPPLY_PROP_SERIAL_NUMBER,
	132	};
	133
	134	static char *test_power_ac_supplied_to[] = {
	135	"test_battery",
	136	};
	137
	138	static struct power_supply test_power_supplies[] = {
	139	{
	140	.name = "test_ac",
	141	.type = POWER_SUPPLY_TYPE_MAINS,
	142	.supplied_to = test_power_ac_supplied_to,
	143	.num_supplicants = ARRAY_SIZE(test_power_ac_supplied_to),
	144	.properties = test_power_ac_props,
	145	.num_properties = ARRAY_SIZE(test_power_ac_props),
	146	.get_property = test_power_get_ac_property,
	147	}, {
	148	.name = "test_battery",
	149	.type = POWER_SUPPLY_TYPE_BATTERY,
	150	.properties = test_power_battery_props,
	151	.num_properties = ARRAY_SIZE(test_power_battery_props),
	152	.get_property = test_power_get_battery_property,
73847375 DES	153	}, {
	154	.name = "test_usb",
	155	.type = POWER_SUPPLY_TYPE_USB,
	156	.supplied_to = test_power_ac_supplied_to,
	157	.num_supplicants = ARRAY_SIZE(test_power_ac_supplied_to),
	158	.properties = test_power_ac_props,
	159	.num_properties = ARRAY_SIZE(test_power_ac_props),
	160	.get_property = test_power_get_usb_property,
a1e50fd4 AV	161	},
	162	};
	163
f17ef9b2	164
a1e50fd4 AV	165	static int __init test_power_init(void)
	166	{
	167	int i;
	168	int ret;
	169
	170	for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++) {
	171	ret = power_supply_register(NULL, &test_power_supplies[i]);
	172	if (ret) {
	173	pr_err("%s: failed to register %s\n", __func__,
	174	test_power_supplies[i].name);
	175	goto failed;
	176	}
	177	}
	178
	179	return 0;
	180	failed:
	181	while (--i >= 0)
	182	power_supply_unregister(&test_power_supplies[i]);
	183	return ret;
	184	}
	185	module_init(test_power_init);
	186
	187	static void __exit test_power_exit(void)
	188	{
	189	int i;
	190
	191	/* Let's see how we handle changes... */
f17ef9b2	192	ac_online = 0;
73847375	193	usb_online = 0;
f17ef9b2	194	battery_status = POWER_SUPPLY_STATUS_DISCHARGING;
a1e50fd4 AV	195	for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++)
	196	power_supply_changed(&test_power_supplies[i]);
	197	pr_info("%s: 'changed' event sent, sleeping for 10 seconds...\n",
	198	__func__);
	199	ssleep(10);
	200
	201	for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++)
	202	power_supply_unregister(&test_power_supplies[i]);
	203	}
	204	module_exit(test_power_exit);
	205
f17ef9b2 JS	206
	207
	208	#define MAX_KEYLENGTH 256
	209	struct battery_property_map {
	210	int value;
	211	char const *key;
	212	};
	213
	214	static struct battery_property_map map_ac_online[] = {
	215	{ 0, "on" },
	216	{ 1, "off" },
	217	{ -1, NULL },
	218	};
	219
	220	static struct battery_property_map map_status[] = {
	221	{ POWER_SUPPLY_STATUS_CHARGING, "charging" },
	222	{ POWER_SUPPLY_STATUS_DISCHARGING, "discharging" },
	223	{ POWER_SUPPLY_STATUS_NOT_CHARGING, "not-charging" },
	224	{ POWER_SUPPLY_STATUS_FULL, "full" },
	225	{ -1, NULL },
	226	};
	227
	228	static struct battery_property_map map_health[] = {
	229	{ POWER_SUPPLY_HEALTH_GOOD, "good" },
	230	{ POWER_SUPPLY_HEALTH_OVERHEAT, "overheat" },
	231	{ POWER_SUPPLY_HEALTH_DEAD, "dead" },
	232	{ POWER_SUPPLY_HEALTH_OVERVOLTAGE, "overvoltage" },
	233	{ POWER_SUPPLY_HEALTH_UNSPEC_FAILURE, "failure" },
	234	{ -1, NULL },
	235	};
	236
	237	static struct battery_property_map map_present[] = {
	238	{ 0, "false" },
	239	{ 1, "true" },
	240	{ -1, NULL },
	241	};
	242
	243	static struct battery_property_map map_technology[] = {
	244	{ POWER_SUPPLY_TECHNOLOGY_NiMH, "NiMH" },
	245	{ POWER_SUPPLY_TECHNOLOGY_LION, "LION" },
	246	{ POWER_SUPPLY_TECHNOLOGY_LIPO, "LIPO" },
	247	{ POWER_SUPPLY_TECHNOLOGY_LiFe, "LiFe" },
	248	{ POWER_SUPPLY_TECHNOLOGY_NiCd, "NiCd" },
	249	{ POWER_SUPPLY_TECHNOLOGY_LiMn, "LiMn" },
	250	{ -1, NULL },
	251	};
	252
	253
	254	static int map_get_value(struct battery_property_map map, const char key,
	255	int def_val)
	256	{
	257	char buf[MAX_KEYLENGTH];
	258	int cr;
	259
	260	strncpy(buf, key, MAX_KEYLENGTH);
	261	buf[MAX_KEYLENGTH-1] = '\0';
	262
	263	cr = strnlen(buf, MAX_KEYLENGTH) - 1;
	264	if (buf[cr] == '\n')
	265	buf[cr] = '\0';
	266
	267	while (map->key) {
	268	if (strncasecmp(map->key, buf, MAX_KEYLENGTH) == 0)
	269	return map->value;
270	map++;
271	}
272
273	return def_val;
274	}
275
276
277	static const char map_get_key(struct battery_property_map map, int value,
278	const char *def_key)
279	{
280	while (map->key) {
281	if (map->value == value)
282	return map->key;
283	map++;
284	}
285
286	return def_key;
287	}
288
289	static int param_set_ac_online(const char key, const struct kernel_param kp)
290	{
291	ac_online = map_get_value(map_ac_online, key, ac_online);
292	power_supply_changed(&test_power_supplies[0]);
293	return 0;
294	}
295
296	static int param_get_ac_online(char buffer, const struct kernel_param kp)
297	{
298	strcpy(buffer, map_get_key(map_ac_online, ac_online, "unknown"));
299	return strlen(buffer);
300	}
301
73847375 DES	302	static int param_set_usb_online(const char key, const struct kernel_param kp)
	303	{
	304	usb_online = map_get_value(map_ac_online, key, usb_online);
	305	power_supply_changed(&test_power_supplies[2]);
	306	return 0;
	307	}
	308
	309	static int param_get_usb_online(char buffer, const struct kernel_param kp)
	310	{
	311	strcpy(buffer, map_get_key(map_ac_online, usb_online, "unknown"));
	312	return strlen(buffer);
	313	}
	314
f17ef9b2 JS	315	static int param_set_battery_status(const char *key,
	316	const struct kernel_param *kp)
	317	{
	318	battery_status = map_get_value(map_status, key, battery_status);
	319	power_supply_changed(&test_power_supplies[1]);
	320	return 0;
	321	}
	322
	323	static int param_get_battery_status(char buffer, const struct kernel_param kp)
	324	{
	325	strcpy(buffer, map_get_key(map_status, battery_status, "unknown"));
	326	return strlen(buffer);
	327	}
	328
	329	static int param_set_battery_health(const char *key,
	330	const struct kernel_param *kp)
	331	{
	332	battery_health = map_get_value(map_health, key, battery_health);
	333	power_supply_changed(&test_power_supplies[1]);
	334	return 0;
	335	}
	336
	337	static int param_get_battery_health(char buffer, const struct kernel_param kp)
	338	{
	339	strcpy(buffer, map_get_key(map_health, battery_health, "unknown"));
	340	return strlen(buffer);
	341	}
	342
	343	static int param_set_battery_present(const char *key,
	344	const struct kernel_param *kp)
	345	{
	346	battery_present = map_get_value(map_present, key, battery_present);
	347	power_supply_changed(&test_power_supplies[0]);
	348	return 0;
	349	}
	350
	351	static int param_get_battery_present(char *buffer,
	352	const struct kernel_param *kp)
	353	{
	354	strcpy(buffer, map_get_key(map_present, battery_present, "unknown"));
	355	return strlen(buffer);
	356	}
	357
	358	static int param_set_battery_technology(const char *key,
	359	const struct kernel_param *kp)
	360	{
	361	battery_technology = map_get_value(map_technology, key,
	362	battery_technology);
	363	power_supply_changed(&test_power_supplies[1]);
	364	return 0;
	365	}
	366
	367	static int param_get_battery_technology(char *buffer,
	368	const struct kernel_param *kp)
	369	{
	370	strcpy(buffer,
	371	map_get_key(map_technology, battery_technology, "unknown"));
	372	return strlen(buffer);
	373	}
	374
	375	static int param_set_battery_capacity(const char *key,
	376	const struct kernel_param *kp)
	377	{
	378	int tmp;
379
380	if (1 != sscanf(key, "%d", &tmp))
381	return -EINVAL;
382
383	battery_capacity = tmp;
384	power_supply_changed(&test_power_supplies[1]);
385	return 0;
386	}
387
388	#define param_get_battery_capacity param_get_int
389
f17ef9b2 JS	390	static struct kernel_param_ops param_ops_ac_online = {
	391	.set = param_set_ac_online,
	392	.get = param_get_ac_online,
	393	};
	394
73847375 DES	395	static struct kernel_param_ops param_ops_usb_online = {
	396	.set = param_set_usb_online,
	397	.get = param_get_usb_online,
	398	};
	399
f17ef9b2 JS	400	static struct kernel_param_ops param_ops_battery_status = {
	401	.set = param_set_battery_status,
	402	.get = param_get_battery_status,
	403	};
	404
	405	static struct kernel_param_ops param_ops_battery_present = {
	406	.set = param_set_battery_present,
	407	.get = param_get_battery_present,
	408	};
	409
	410	static struct kernel_param_ops param_ops_battery_technology = {
	411	.set = param_set_battery_technology,
	412	.get = param_get_battery_technology,
	413	};
	414
	415	static struct kernel_param_ops param_ops_battery_health = {
	416	.set = param_set_battery_health,
	417	.get = param_get_battery_health,
	418	};
	419
	420	static struct kernel_param_ops param_ops_battery_capacity = {
	421	.set = param_set_battery_capacity,
	422	.get = param_get_battery_capacity,
	423	};
	424
	425
	426	#define param_check_ac_online(name, p) __param_check(name, p, void);
73847375	427	#define param_check_usb_online(name, p) __param_check(name, p, void);
f17ef9b2 JS	428	#define param_check_battery_status(name, p) __param_check(name, p, void);
	429	#define param_check_battery_present(name, p) __param_check(name, p, void);
	430	#define param_check_battery_technology(name, p) __param_check(name, p, void);
	431	#define param_check_battery_health(name, p) __param_check(name, p, void);
	432	#define param_check_battery_capacity(name, p) __param_check(name, p, void);
	433
	434
	435	module_param(ac_online, ac_online, 0644);
	436	MODULE_PARM_DESC(ac_online, "AC charging state <on\|off>");
	437
73847375 DES	438	module_param(usb_online, usb_online, 0644);
	439	MODULE_PARM_DESC(usb_online, "USB charging state <on\|off>");
	440
f17ef9b2 JS	441	module_param(battery_status, battery_status, 0644);
	442	MODULE_PARM_DESC(battery_status,
	443	"battery status <charging\|discharging\|not-charging\|full>");
	444
	445	module_param(battery_present, battery_present, 0644);
	446	MODULE_PARM_DESC(battery_present,
	447	"battery presence state <good\|overheat\|dead\|overvoltage\|failure>");
	448
	449	module_param(battery_technology, battery_technology, 0644);
	450	MODULE_PARM_DESC(battery_technology,
	451	"battery technology <NiMH\|LION\|LIPO\|LiFe\|NiCd\|LiMn>");
	452
	453	module_param(battery_health, battery_health, 0644);
	454	MODULE_PARM_DESC(battery_health,
	455	"battery health state <good\|overheat\|dead\|overvoltage\|failure>");
	456
	457	module_param(battery_capacity, battery_capacity, 0644);
	458	MODULE_PARM_DESC(battery_capacity, "battery capacity (percentage)");
	459
	460
a1e50fd4 AV	461	MODULE_DESCRIPTION("Power supply driver for testing");
	462	MODULE_AUTHOR("Anton Vorontsov <cbouatmailru@gmail.com>");
	463	MODULE_LICENSE("GPL");