xref: /openbmc/linux/arch/arm/mach-pxa/sharpsl_pm.h (revision 82e6fdd6)
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 #ifndef _MACH_SHARPSL_PM
12 #define _MACH_SHARPSL_PM
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 	void (*earlyresume)(void);
29 	unsigned long (*read_devdata)(int);
30 #define SHARPSL_BATT_VOLT       1
31 #define SHARPSL_BATT_TEMP       2
32 #define SHARPSL_ACIN_VOLT       3
33 #define SHARPSL_STATUS_ACIN     4
34 #define SHARPSL_STATUS_LOCK     5
35 #define SHARPSL_STATUS_CHRGFULL 6
36 #define SHARPSL_STATUS_FATAL    7
37 	bool (*charger_wakeup)(void);
38 	int (*should_wakeup)(unsigned int resume_on_alarm);
39 	void (*backlight_limit)(int);
40 	int (*backlight_get_status) (void);
41 	int charge_on_volt;
42 	int charge_on_temp;
43 	int charge_acin_high;
44 	int charge_acin_low;
45 	int fatal_acin_volt;
46 	int fatal_noacin_volt;
47 	int bat_levels;
48 	struct battery_thresh *bat_levels_noac;
49 	struct battery_thresh *bat_levels_acin;
50 	struct battery_thresh *bat_levels_noac_bl;
51 	struct battery_thresh *bat_levels_acin_bl;
52 	int status_high_acin;
53 	int status_low_acin;
54 	int status_high_noac;
55 	int status_low_noac;
56 };
57 
58 struct battery_thresh {
59 	int voltage;
60 	int percentage;
61 };
62 
63 struct battery_stat {
64 	int ac_status;         /* APM AC Present/Not Present */
65 	int mainbat_status;    /* APM Main Battery Status */
66 	int mainbat_percent;   /* Main Battery Percentage Charge */
67 	int mainbat_voltage;   /* Main Battery Voltage */
68 };
69 
70 struct sharpsl_pm_status {
71 	struct device *dev;
72 	struct timer_list ac_timer;
73 	struct timer_list chrg_full_timer;
74 
75 	int charge_mode;
76 #define CHRG_ERROR    (-1)
77 #define CHRG_OFF      (0)
78 #define CHRG_ON       (1)
79 #define CHRG_DONE     (2)
80 
81 	unsigned int flags;
82 #define SHARPSL_SUSPENDED       (1 << 0)  /* Device is Suspended */
83 #define SHARPSL_ALARM_ACTIVE    (1 << 1)  /* Alarm is for charging event (not user) */
84 #define SHARPSL_BL_LIMIT        (1 << 2)  /* Backlight Intensity Limited */
85 #define SHARPSL_APM_QUEUED      (1 << 3)  /* APM Event Queued */
86 #define SHARPSL_DO_OFFLINE_CHRG (1 << 4)  /* Trigger the offline charger */
87 
88 	int full_count;
89 	unsigned long charge_start_time;
90 	struct sharpsl_charger_machinfo *machinfo;
91 	struct battery_stat battstat;
92 };
93 
94 extern struct sharpsl_pm_status sharpsl_pm;
95 
96 extern struct battery_thresh sharpsl_battery_levels_acin[];
97 extern struct battery_thresh sharpsl_battery_levels_noac[];
98 
99 #define SHARPSL_LED_ERROR  2
100 #define SHARPSL_LED_ON     1
101 #define SHARPSL_LED_OFF    0
102 
103 void sharpsl_battery_kick(void);
104 void sharpsl_pm_led(int val);
105 
106 /* MAX1111 Channel Definitions */
107 #define MAX1111_BATT_VOLT   4u
108 #define MAX1111_BATT_TEMP   2u
109 #define MAX1111_ACIN_VOLT   6u
110 int sharpsl_pm_pxa_read_max1111(int channel);
111 
112 void corgi_lcd_limit_intensity(int limit);
113 #endif
114