xref: /openbmc/linux/arch/arm/mach-pxa/sharpsl_pm.h (revision c900529f3d9161bfde5cca0754f83b4d3c3e0220)
1  /* SPDX-License-Identifier: GPL-2.0-only */
2  /*
3   * SharpSL Battery/PM Driver
4   *
5   * Copyright (c) 2004-2005 Richard Purdie
6   */
7  #ifndef _MACH_SHARPSL_PM
8  #define _MACH_SHARPSL_PM
9  
10  struct sharpsl_charger_machinfo {
11  	void (*init)(void);
12  	void (*exit)(void);
13  	int gpio_acin;
14  	int gpio_batfull;
15  	int batfull_irq;
16  	int gpio_batlock;
17  	int gpio_fatal;
18  	void (*discharge)(int);
19  	void (*discharge1)(int);
20  	void (*charge)(int);
21  	void (*measure_temp)(int);
22  	void (*presuspend)(void);
23  	void (*postsuspend)(void);
24  	void (*earlyresume)(void);
25  	unsigned long (*read_devdata)(int);
26  #define SHARPSL_BATT_VOLT       1
27  #define SHARPSL_BATT_TEMP       2
28  #define SHARPSL_ACIN_VOLT       3
29  #define SHARPSL_STATUS_ACIN     4
30  #define SHARPSL_STATUS_LOCK     5
31  #define SHARPSL_STATUS_CHRGFULL 6
32  #define SHARPSL_STATUS_FATAL    7
33  	bool (*charger_wakeup)(void);
34  	int (*should_wakeup)(unsigned int resume_on_alarm);
35  	void (*backlight_limit)(int);
36  	int (*backlight_get_status) (void);
37  	int charge_on_volt;
38  	int charge_on_temp;
39  	int charge_acin_high;
40  	int charge_acin_low;
41  	int fatal_acin_volt;
42  	int fatal_noacin_volt;
43  	int bat_levels;
44  	struct battery_thresh *bat_levels_noac;
45  	struct battery_thresh *bat_levels_acin;
46  	struct battery_thresh *bat_levels_noac_bl;
47  	struct battery_thresh *bat_levels_acin_bl;
48  	int status_high_acin;
49  	int status_low_acin;
50  	int status_high_noac;
51  	int status_low_noac;
52  };
53  
54  struct battery_thresh {
55  	int voltage;
56  	int percentage;
57  };
58  
59  struct battery_stat {
60  	int ac_status;         /* APM AC Present/Not Present */
61  	int mainbat_status;    /* APM Main Battery Status */
62  	int mainbat_percent;   /* Main Battery Percentage Charge */
63  	int mainbat_voltage;   /* Main Battery Voltage */
64  };
65  
66  struct sharpsl_pm_status {
67  	struct device *dev;
68  	struct timer_list ac_timer;
69  	struct timer_list chrg_full_timer;
70  
71  	int charge_mode;
72  #define CHRG_ERROR    (-1)
73  #define CHRG_OFF      (0)
74  #define CHRG_ON       (1)
75  #define CHRG_DONE     (2)
76  
77  	unsigned int flags;
78  #define SHARPSL_SUSPENDED       (1 << 0)  /* Device is Suspended */
79  #define SHARPSL_ALARM_ACTIVE    (1 << 1)  /* Alarm is for charging event (not user) */
80  #define SHARPSL_BL_LIMIT        (1 << 2)  /* Backlight Intensity Limited */
81  #define SHARPSL_APM_QUEUED      (1 << 3)  /* APM Event Queued */
82  #define SHARPSL_DO_OFFLINE_CHRG (1 << 4)  /* Trigger the offline charger */
83  
84  	int full_count;
85  	unsigned long charge_start_time;
86  	struct sharpsl_charger_machinfo *machinfo;
87  	struct battery_stat battstat;
88  };
89  
90  extern struct sharpsl_pm_status sharpsl_pm;
91  
92  extern struct battery_thresh sharpsl_battery_levels_acin[];
93  extern struct battery_thresh sharpsl_battery_levels_noac[];
94  
95  #define SHARPSL_LED_ERROR  2
96  #define SHARPSL_LED_ON     1
97  #define SHARPSL_LED_OFF    0
98  
99  void sharpsl_battery_kick(void);
100  void sharpsl_pm_led(int val);
101  
102  /* MAX1111 Channel Definitions */
103  #define MAX1111_BATT_VOLT   4u
104  #define MAX1111_BATT_TEMP   2u
105  #define MAX1111_ACIN_VOLT   6u
106  int sharpsl_pm_pxa_read_max1111(int channel);
107  
108  #endif
109