LXR linux/include/asm-arm/hardware/sharpsl

   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
 107