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 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         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);
  38         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;
  46         int bat_levels;
  47         struct battery_thresh *bat_levels_noac;
  48         struct battery_thresh *bat_levels_acin;
  49         struct battery_thresh *bat_levels_noac_bl;
  50         struct battery_thresh *bat_levels_acin_bl;
  51         int status_high_acin;
  52         int status_low_acin;
  53         int status_high_noac;
  54         int status_low_noac;
  55 };
  56
  57 struct battery_thresh {
  58         int voltage;
  59         int percentage;
  60 };
  61
  62 struct 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
  69 struct 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
  93 extern 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
 100 void sharpsl_battery_kick(void);
 101 void sharpsl_pm_led(int val);
 102 irqreturn_t sharpsl_ac_isr(int irq, void *dev_id, struct pt_regs *fp);
 103 irqreturn_t sharpsl_chrg_full_isr(int irq, void *dev_id, struct pt_regs *fp);
 104 irqreturn_t sharpsl_fatal_isr(int irq, void *dev_id, struct pt_regs *fp);
 105