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Richard Purdieb7557de2006-01-05 20:44:55 +00001/*
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;
Richard Purdief8703dc2006-06-19 19:58:52 +010019 int batfull_irq;
Richard Purdieb7557de2006-01-05 20:44:55 +000020 int gpio_batlock;
21 int gpio_fatal;
22 void (*discharge)(int);
23 void (*discharge1)(int);
24 void (*charge)(int);
25 void (*measure_temp)(int);
26 void (*presuspend)(void);
27 void (*postsuspend)(void);
28 unsigned long (*read_devdata)(int);
29#define SHARPSL_BATT_VOLT 1
30#define SHARPSL_BATT_TEMP 2
31#define SHARPSL_ACIN_VOLT 3
32#define SHARPSL_STATUS_ACIN 4
33#define SHARPSL_STATUS_LOCK 5
34#define SHARPSL_STATUS_CHRGFULL 6
35#define SHARPSL_STATUS_FATAL 7
36 unsigned long (*charger_wakeup)(void);
37 int (*should_wakeup)(unsigned int resume_on_alarm);
Richard Purdief8703dc2006-06-19 19:58:52 +010038 void (*backlight_limit)(int);
39 int (*backlight_get_status) (void);
40 int charge_on_volt;
41 int charge_on_temp;
42 int charge_acin_high;
43 int charge_acin_low;
44 int fatal_acin_volt;
45 int fatal_noacin_volt;
Richard Purdieb7557de2006-01-05 20:44:55 +000046 int bat_levels;
47 struct battery_thresh *bat_levels_noac;
48 struct battery_thresh *bat_levels_acin;
Richard Purdief8703dc2006-06-19 19:58:52 +010049 struct battery_thresh *bat_levels_noac_bl;
50 struct battery_thresh *bat_levels_acin_bl;
Richard Purdieb7557de2006-01-05 20:44:55 +000051 int status_high_acin;
52 int status_low_acin;
53 int status_high_noac;
54 int status_low_noac;
55};
56
57struct battery_thresh {
58 int voltage;
59 int percentage;
60};
61
62struct battery_stat {
63 int ac_status; /* APM AC Present/Not Present */
64 int mainbat_status; /* APM Main Battery Status */
65 int mainbat_percent; /* Main Battery Percentage Charge */
66 int mainbat_voltage; /* Main Battery Voltage */
67};
68
69struct sharpsl_pm_status {
70 struct device *dev;
71 struct timer_list ac_timer;
72 struct timer_list chrg_full_timer;
73
74 int charge_mode;
75#define CHRG_ERROR (-1)
76#define CHRG_OFF (0)
77#define CHRG_ON (1)
78#define CHRG_DONE (2)
79
80 unsigned int flags;
81#define SHARPSL_SUSPENDED (1 << 0) /* Device is Suspended */
82#define SHARPSL_ALARM_ACTIVE (1 << 1) /* Alarm is for charging event (not user) */
83#define SHARPSL_BL_LIMIT (1 << 2) /* Backlight Intensity Limited */
84#define SHARPSL_APM_QUEUED (1 << 3) /* APM Event Queued */
85#define SHARPSL_DO_OFFLINE_CHRG (1 << 4) /* Trigger the offline charger */
86
87 int full_count;
88 unsigned long charge_start_time;
89 struct sharpsl_charger_machinfo *machinfo;
90 struct battery_stat battstat;
91};
92
93extern struct sharpsl_pm_status sharpsl_pm;
94
95
96#define SHARPSL_LED_ERROR 2
97#define SHARPSL_LED_ON 1
98#define SHARPSL_LED_OFF 0
99
100void sharpsl_battery_kick(void);
101void sharpsl_pm_led(int val);
102irqreturn_t sharpsl_ac_isr(int irq, void *dev_id, struct pt_regs *fp);
103irqreturn_t sharpsl_chrg_full_isr(int irq, void *dev_id, struct pt_regs *fp);
104irqreturn_t sharpsl_fatal_isr(int irq, void *dev_id, struct pt_regs *fp);
105