tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * SharpSL Battery/PM Driver
3 *
4 * Copyright (c) 2004-2005 Richard Purdie
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
12#include <linux/interrupt.h>
13
14struct sharpsl_charger_machinfo {
15 void (*init)(void);
16 void (*exit)(void);
17 int gpio_acin;
18 int gpio_batfull;
19 int gpio_batlock;
20 int gpio_fatal;
21 void (*discharge)(int);
22 void (*discharge1)(int);
23 void (*charge)(int);
24 void (*measure_temp)(int);
25 void (*presuspend)(void);
26 void (*postsuspend)(void);
27 unsigned long (*read_devdata)(int);
28#define SHARPSL_BATT_VOLT 1
29#define SHARPSL_BATT_TEMP 2
30#define SHARPSL_ACIN_VOLT 3
31#define SHARPSL_STATUS_ACIN 4
32#define SHARPSL_STATUS_LOCK 5
33#define SHARPSL_STATUS_CHRGFULL 6
34#define SHARPSL_STATUS_FATAL 7
35 unsigned long (*charger_wakeup)(void);
36 int (*should_wakeup)(unsigned int resume_on_alarm);
37 int bat_levels;
38 struct battery_thresh *bat_levels_noac;
39 struct battery_thresh *bat_levels_acin;
40 int status_high_acin;
41 int status_low_acin;
42 int status_high_noac;
43 int status_low_noac;
44};
45
46struct battery_thresh {
47 int voltage;
48 int percentage;
49};
50
51struct battery_stat {
52 int ac_status; /* APM AC Present/Not Present */
53 int mainbat_status; /* APM Main Battery Status */
54 int mainbat_percent; /* Main Battery Percentage Charge */
55 int mainbat_voltage; /* Main Battery Voltage */
56};
57
58struct sharpsl_pm_status {
59 struct device *dev;
60 struct timer_list ac_timer;
61 struct timer_list chrg_full_timer;
62
63 int charge_mode;
64#define CHRG_ERROR (-1)
65#define CHRG_OFF (0)
66#define CHRG_ON (1)
67#define CHRG_DONE (2)
68
69 unsigned int flags;
70#define SHARPSL_SUSPENDED (1 << 0) /* Device is Suspended */
71#define SHARPSL_ALARM_ACTIVE (1 << 1) /* Alarm is for charging event (not user) */
72#define SHARPSL_BL_LIMIT (1 << 2) /* Backlight Intensity Limited */
73#define SHARPSL_APM_QUEUED (1 << 3) /* APM Event Queued */
74#define SHARPSL_DO_OFFLINE_CHRG (1 << 4) /* Trigger the offline charger */
75
76 int full_count;
77 unsigned long charge_start_time;
78 struct sharpsl_charger_machinfo *machinfo;
79 struct battery_stat battstat;
80};
81
82extern struct sharpsl_pm_status sharpsl_pm;
83
84
85#define SHARPSL_LED_ERROR 2
86#define SHARPSL_LED_ON 1
87#define SHARPSL_LED_OFF 0
88
89void sharpsl_battery_kick(void);
90void sharpsl_pm_led(int val);
91irqreturn_t sharpsl_ac_isr(int irq, void *dev_id, struct pt_regs *fp);
92irqreturn_t sharpsl_chrg_full_isr(int irq, void *dev_id, struct pt_regs *fp);
93irqreturn_t sharpsl_fatal_isr(int irq, void *dev_id, struct pt_regs *fp);
94