diff options
author | Anton Vorontsov <cbouatmailru@gmail.com> | 2010-05-17 15:46:45 -0400 |
---|---|---|
committer | Anton Vorontsov <cbouatmailru@gmail.com> | 2010-05-18 11:58:56 -0400 |
commit | a1e50fd4452b2ed57376ece465a17276b59fad9c (patch) | |
tree | 43f0b2a069bf9ab57646ddb7242e3949a277af27 /drivers | |
parent | 06b9e650ce5eaf14ac1486b2f05baaf2ba22ad22 (diff) |
power_supply: Add test_power driver
Just a handy driver that is used for testing purposes.
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/power/Kconfig | 5 | ||||
-rw-r--r-- | drivers/power/Makefile | 1 | ||||
-rw-r--r-- | drivers/power/test_power.c | 163 |
3 files changed, 169 insertions, 0 deletions
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index c59bcb7c6eb0..8e9ba177d817 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig | |||
@@ -57,6 +57,11 @@ config WM8350_POWER | |||
57 | Say Y here to enable support for the power management unit | 57 | Say Y here to enable support for the power management unit |
58 | provided by the Wolfson Microelectronics WM8350 PMIC. | 58 | provided by the Wolfson Microelectronics WM8350 PMIC. |
59 | 59 | ||
60 | config TEST_POWER | ||
61 | tristate "Test power driver" | ||
62 | help | ||
63 | This driver is used for testing. It's safe to say M here. | ||
64 | |||
60 | config BATTERY_DS2760 | 65 | config BATTERY_DS2760 |
61 | tristate "DS2760 battery driver (HP iPAQ & others)" | 66 | tristate "DS2760 battery driver (HP iPAQ & others)" |
62 | select W1 | 67 | select W1 |
diff --git a/drivers/power/Makefile b/drivers/power/Makefile index a82f292e5c94..00050809a6c7 100644 --- a/drivers/power/Makefile +++ b/drivers/power/Makefile | |||
@@ -20,6 +20,7 @@ obj-$(CONFIG_MAX8925_POWER) += max8925_power.o | |||
20 | obj-$(CONFIG_WM831X_BACKUP) += wm831x_backup.o | 20 | obj-$(CONFIG_WM831X_BACKUP) += wm831x_backup.o |
21 | obj-$(CONFIG_WM831X_POWER) += wm831x_power.o | 21 | obj-$(CONFIG_WM831X_POWER) += wm831x_power.o |
22 | obj-$(CONFIG_WM8350_POWER) += wm8350_power.o | 22 | obj-$(CONFIG_WM8350_POWER) += wm8350_power.o |
23 | obj-$(CONFIG_TEST_POWER) += test_power.o | ||
23 | 24 | ||
24 | obj-$(CONFIG_BATTERY_DS2760) += ds2760_battery.o | 25 | obj-$(CONFIG_BATTERY_DS2760) += ds2760_battery.o |
25 | obj-$(CONFIG_BATTERY_DS2782) += ds2782_battery.o | 26 | obj-$(CONFIG_BATTERY_DS2782) += ds2782_battery.o |
diff --git a/drivers/power/test_power.c b/drivers/power/test_power.c new file mode 100644 index 000000000000..0cd9f67d33e5 --- /dev/null +++ b/drivers/power/test_power.c | |||
@@ -0,0 +1,163 @@ | |||
1 | /* | ||
2 | * Power supply driver for testing. | ||
3 | * | ||
4 | * Copyright 2010 Anton Vorontsov <cbouatmailru@gmail.com> | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | */ | ||
10 | |||
11 | #include <linux/kernel.h> | ||
12 | #include <linux/module.h> | ||
13 | #include <linux/power_supply.h> | ||
14 | #include <linux/errno.h> | ||
15 | #include <linux/delay.h> | ||
16 | #include <linux/vermagic.h> | ||
17 | |||
18 | static int test_power_ac_online = 1; | ||
19 | static int test_power_battery_status = POWER_SUPPLY_STATUS_CHARGING; | ||
20 | |||
21 | static int test_power_get_ac_property(struct power_supply *psy, | ||
22 | enum power_supply_property psp, | ||
23 | union power_supply_propval *val) | ||
24 | { | ||
25 | switch (psp) { | ||
26 | case POWER_SUPPLY_PROP_ONLINE: | ||
27 | val->intval = test_power_ac_online; | ||
28 | break; | ||
29 | default: | ||
30 | return -EINVAL; | ||
31 | } | ||
32 | return 0; | ||
33 | } | ||
34 | |||
35 | static int test_power_get_battery_property(struct power_supply *psy, | ||
36 | enum power_supply_property psp, | ||
37 | union power_supply_propval *val) | ||
38 | { | ||
39 | switch (psp) { | ||
40 | case POWER_SUPPLY_PROP_MODEL_NAME: | ||
41 | val->strval = "Test battery"; | ||
42 | break; | ||
43 | case POWER_SUPPLY_PROP_MANUFACTURER: | ||
44 | val->strval = "Linux"; | ||
45 | break; | ||
46 | case POWER_SUPPLY_PROP_SERIAL_NUMBER: | ||
47 | val->strval = UTS_RELEASE; | ||
48 | break; | ||
49 | case POWER_SUPPLY_PROP_STATUS: | ||
50 | val->intval = test_power_battery_status; | ||
51 | break; | ||
52 | case POWER_SUPPLY_PROP_CHARGE_TYPE: | ||
53 | val->intval = POWER_SUPPLY_CHARGE_TYPE_FAST; | ||
54 | break; | ||
55 | case POWER_SUPPLY_PROP_HEALTH: | ||
56 | val->intval = POWER_SUPPLY_HEALTH_GOOD; | ||
57 | break; | ||
58 | case POWER_SUPPLY_PROP_TECHNOLOGY: | ||
59 | val->intval = POWER_SUPPLY_TECHNOLOGY_LION; | ||
60 | break; | ||
61 | case POWER_SUPPLY_PROP_CAPACITY_LEVEL: | ||
62 | val->intval = POWER_SUPPLY_CAPACITY_LEVEL_NORMAL; | ||
63 | break; | ||
64 | case POWER_SUPPLY_PROP_CAPACITY: | ||
65 | val->intval = 50; | ||
66 | break; | ||
67 | case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG: | ||
68 | case POWER_SUPPLY_PROP_TIME_TO_FULL_NOW: | ||
69 | val->intval = 3600; | ||
70 | break; | ||
71 | default: | ||
72 | pr_info("%s: some properties deliberately report errors.\n", | ||
73 | __func__); | ||
74 | return -EINVAL; | ||
75 | } | ||
76 | return 0; | ||
77 | } | ||
78 | |||
79 | static enum power_supply_property test_power_ac_props[] = { | ||
80 | POWER_SUPPLY_PROP_ONLINE, | ||
81 | }; | ||
82 | |||
83 | static enum power_supply_property test_power_battery_props[] = { | ||
84 | POWER_SUPPLY_PROP_STATUS, | ||
85 | POWER_SUPPLY_PROP_CHARGE_TYPE, | ||
86 | POWER_SUPPLY_PROP_HEALTH, | ||
87 | POWER_SUPPLY_PROP_TECHNOLOGY, | ||
88 | POWER_SUPPLY_PROP_CHARGE_FULL, | ||
89 | POWER_SUPPLY_PROP_CHARGE_EMPTY, | ||
90 | POWER_SUPPLY_PROP_CAPACITY, | ||
91 | POWER_SUPPLY_PROP_CAPACITY_LEVEL, | ||
92 | POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG, | ||
93 | POWER_SUPPLY_PROP_TIME_TO_FULL_NOW, | ||
94 | POWER_SUPPLY_PROP_MODEL_NAME, | ||
95 | POWER_SUPPLY_PROP_MANUFACTURER, | ||
96 | POWER_SUPPLY_PROP_SERIAL_NUMBER, | ||
97 | }; | ||
98 | |||
99 | static char *test_power_ac_supplied_to[] = { | ||
100 | "test_battery", | ||
101 | }; | ||
102 | |||
103 | static struct power_supply test_power_supplies[] = { | ||
104 | { | ||
105 | .name = "test_ac", | ||
106 | .type = POWER_SUPPLY_TYPE_MAINS, | ||
107 | .supplied_to = test_power_ac_supplied_to, | ||
108 | .num_supplicants = ARRAY_SIZE(test_power_ac_supplied_to), | ||
109 | .properties = test_power_ac_props, | ||
110 | .num_properties = ARRAY_SIZE(test_power_ac_props), | ||
111 | .get_property = test_power_get_ac_property, | ||
112 | }, { | ||
113 | .name = "test_battery", | ||
114 | .type = POWER_SUPPLY_TYPE_BATTERY, | ||
115 | .properties = test_power_battery_props, | ||
116 | .num_properties = ARRAY_SIZE(test_power_battery_props), | ||
117 | .get_property = test_power_get_battery_property, | ||
118 | }, | ||
119 | }; | ||
120 | |||
121 | static int __init test_power_init(void) | ||
122 | { | ||
123 | int i; | ||
124 | int ret; | ||
125 | |||
126 | for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++) { | ||
127 | ret = power_supply_register(NULL, &test_power_supplies[i]); | ||
128 | if (ret) { | ||
129 | pr_err("%s: failed to register %s\n", __func__, | ||
130 | test_power_supplies[i].name); | ||
131 | goto failed; | ||
132 | } | ||
133 | } | ||
134 | |||
135 | return 0; | ||
136 | failed: | ||
137 | while (--i >= 0) | ||
138 | power_supply_unregister(&test_power_supplies[i]); | ||
139 | return ret; | ||
140 | } | ||
141 | module_init(test_power_init); | ||
142 | |||
143 | static void __exit test_power_exit(void) | ||
144 | { | ||
145 | int i; | ||
146 | |||
147 | /* Let's see how we handle changes... */ | ||
148 | test_power_ac_online = 0; | ||
149 | test_power_battery_status = POWER_SUPPLY_STATUS_DISCHARGING; | ||
150 | for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++) | ||
151 | power_supply_changed(&test_power_supplies[i]); | ||
152 | pr_info("%s: 'changed' event sent, sleeping for 10 seconds...\n", | ||
153 | __func__); | ||
154 | ssleep(10); | ||
155 | |||
156 | for (i = 0; i < ARRAY_SIZE(test_power_supplies); i++) | ||
157 | power_supply_unregister(&test_power_supplies[i]); | ||
158 | } | ||
159 | module_exit(test_power_exit); | ||
160 | |||
161 | MODULE_DESCRIPTION("Power supply driver for testing"); | ||
162 | MODULE_AUTHOR("Anton Vorontsov <cbouatmailru@gmail.com>"); | ||
163 | MODULE_LICENSE("GPL"); | ||