include/asm-arm/hardware/sharpsl_pm.h

   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
  14 struct 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
  46 struct battery_thresh {
  47         int voltage;
  48         int percentage;
  49 };
  50
  51 struct 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
  58 struct 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
  82 extern 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
  89 void sharpsl_battery_kick(void);
  90 void sharpsl_pm_led(int val);
  91 irqreturn_t sharpsl_ac_isr(int irq, void *dev_id, struct pt_regs *fp);
  92 irqreturn_t sharpsl_chrg_full_isr(int irq, void *dev_id, struct pt_regs *fp);
  93 irqreturn_t sharpsl_fatal_isr(int irq, void *dev_id, struct pt_regs *fp);
  94