xref: /openbmc/linux/arch/arm/mach-pxa/sharpsl_pm.h (revision 09eadda2)
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