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
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