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 batfull_irq;
20	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	void (*earlyresume)(void);
29	unsigned long (*read_devdata)(int);
30#define SHARPSL_BATT_VOLT       1
31#define SHARPSL_BATT_TEMP       2
32#define SHARPSL_ACIN_VOLT       3
33#define SHARPSL_STATUS_ACIN     4
34#define SHARPSL_STATUS_LOCK     5
35#define SHARPSL_STATUS_CHRGFULL 6
36#define SHARPSL_STATUS_FATAL    7
37	unsigned long (*charger_wakeup)(void);
38	int (*should_wakeup)(unsigned int resume_on_alarm);
39	void (*backlight_limit)(int);
40	int (*backlight_get_status) (void);
41	int charge_on_volt;
42	int charge_on_temp;
43	int charge_acin_high;
44	int charge_acin_low;
45	int fatal_acin_volt;
46	int fatal_noacin_volt;
47	int bat_levels;
48	struct battery_thresh *bat_levels_noac;
49	struct battery_thresh *bat_levels_acin;
50	struct battery_thresh *bat_levels_noac_bl;
51	struct battery_thresh *bat_levels_acin_bl;
52	int status_high_acin;
53	int status_low_acin;
54	int status_high_noac;
55	int status_low_noac;
56};
57
58struct battery_thresh {
59	int voltage;
60	int percentage;
61};
62
63struct battery_stat {
64	int ac_status;         /* APM AC Present/Not Present */
65	int mainbat_status;    /* APM Main Battery Status */
66	int mainbat_percent;   /* Main Battery Percentage Charge */
67	int mainbat_voltage;   /* Main Battery Voltage */
68};
69
70struct sharpsl_pm_status {
71	struct device *dev;
72	struct timer_list ac_timer;
73	struct timer_list chrg_full_timer;
74
75	int charge_mode;
76#define CHRG_ERROR    (-1)
77#define CHRG_OFF      (0)
78#define CHRG_ON       (1)
79#define CHRG_DONE     (2)
80
81	unsigned int flags;
82#define SHARPSL_SUSPENDED       (1 << 0)  /* Device is Suspended */
83#define SHARPSL_ALARM_ACTIVE    (1 << 1)  /* Alarm is for charging event (not user) */
84#define SHARPSL_BL_LIMIT        (1 << 2)  /* Backlight Intensity Limited */
85#define SHARPSL_APM_QUEUED      (1 << 3)  /* APM Event Queued */
86#define SHARPSL_DO_OFFLINE_CHRG (1 << 4)  /* Trigger the offline charger */
87
88	int full_count;
89	unsigned long charge_start_time;
90	struct sharpsl_charger_machinfo *machinfo;
91	struct battery_stat battstat;
92};
93
94extern struct sharpsl_pm_status sharpsl_pm;
95
96
97#define SHARPSL_LED_ERROR  2
98#define SHARPSL_LED_ON     1
99#define SHARPSL_LED_OFF    0
100
101void sharpsl_battery_kick(void);
102void sharpsl_pm_led(int val);
103irqreturn_t sharpsl_ac_isr(int irq, void *dev_id);
104irqreturn_t sharpsl_chrg_full_isr(int irq, void *dev_id);
105irqreturn_t sharpsl_fatal_isr(int irq, void *dev_id);
106