ec_kb3310b.h

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/*
 * KB3310B Embedded Controller
 *
 *  Copyright (C) 2008 Lemote Inc.
 *  Author: liujl <[email protected]>, 2008-03-14
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#ifndef _EC_KB3310B_H
#define _EC_KB3310B_H

extern unsigned char ec_read(unsigned short addr);
extern void ec_write(unsigned short addr, unsigned char val);
extern int ec_query_seq(unsigned char cmd);
extern int ec_query_event_num(void);
extern int ec_get_event_num(void);

typedef int (*sci_handler) (int status);
extern sci_handler yeeloong_report_lid_status;

#define SCI_IRQ_NUM 0x0A

/*
 * The following registers are determined by the EC index configuration.
 * 1, fill the PORT_HIGH as EC register high part.
 * 2, fill the PORT_LOW as EC register low part.
 * 3, fill the PORT_DATA as EC register write data or get the data from it.
 */
#define EC_IO_PORT_HIGH 0x0381
#define EC_IO_PORT_LOW  0x0382
#define EC_IO_PORT_DATA 0x0383

/*
 * EC delay time is 500us for register and status access
 */
#define EC_REG_DELAY    500 /* unit : us */
#define EC_CMD_TIMEOUT  0x1000

/*
 * EC access port for SCI communication
 */
#define EC_CMD_PORT     0x66
#define EC_STS_PORT     0x66
#define EC_DAT_PORT     0x62
#define CMD_INIT_IDLE_MODE  0xdd
#define CMD_EXIT_IDLE_MODE  0xdf
#define CMD_INIT_RESET_MODE 0xd8
#define CMD_REBOOT_SYSTEM   0x8c
#define CMD_GET_EVENT_NUM   0x84
#define CMD_PROGRAM_PIECE   0xda

/* temperature & fan registers */
#define REG_TEMPERATURE_VALUE   0xF458
#define REG_FAN_AUTO_MAN_SWITCH 0xF459
#define BIT_FAN_AUTO        0
#define BIT_FAN_MANUAL      1
#define REG_FAN_CONTROL     0xF4D2
#define BIT_FAN_CONTROL_ON  (1 << 0)
#define BIT_FAN_CONTROL_OFF (0 << 0)
#define REG_FAN_STATUS      0xF4DA
#define BIT_FAN_STATUS_ON   (1 << 0)
#define BIT_FAN_STATUS_OFF  (0 << 0)
#define REG_FAN_SPEED_HIGH  0xFE22
#define REG_FAN_SPEED_LOW   0xFE23
#define REG_FAN_SPEED_LEVEL 0xF4CC
/* fan speed divider */
#define FAN_SPEED_DIVIDER   480000  /* (60*1000*1000/62.5/2)*/

/* battery registers */
#define REG_BAT_DESIGN_CAP_HIGH     0xF77D
#define REG_BAT_DESIGN_CAP_LOW      0xF77E
#define REG_BAT_FULLCHG_CAP_HIGH    0xF780
#define REG_BAT_FULLCHG_CAP_LOW     0xF781
#define REG_BAT_DESIGN_VOL_HIGH     0xF782
#define REG_BAT_DESIGN_VOL_LOW      0xF783
#define REG_BAT_CURRENT_HIGH        0xF784
#define REG_BAT_CURRENT_LOW     0xF785
#define REG_BAT_VOLTAGE_HIGH        0xF786
#define REG_BAT_VOLTAGE_LOW     0xF787
#define REG_BAT_TEMPERATURE_HIGH    0xF788
#define REG_BAT_TEMPERATURE_LOW     0xF789
#define REG_BAT_RELATIVE_CAP_HIGH   0xF492
#define REG_BAT_RELATIVE_CAP_LOW    0xF493
#define REG_BAT_VENDOR          0xF4C4
#define FLAG_BAT_VENDOR_SANYO       0x01
#define FLAG_BAT_VENDOR_SIMPLO      0x02
#define REG_BAT_CELL_COUNT      0xF4C6
#define FLAG_BAT_CELL_3S1P      0x03
#define FLAG_BAT_CELL_3S2P      0x06
#define REG_BAT_CHARGE          0xF4A2
#define FLAG_BAT_CHARGE_DISCHARGE   0x01
#define FLAG_BAT_CHARGE_CHARGE      0x02
#define FLAG_BAT_CHARGE_ACPOWER     0x00
#define REG_BAT_STATUS          0xF4B0
#define BIT_BAT_STATUS_LOW      (1 << 5)
#define BIT_BAT_STATUS_DESTROY      (1 << 2)
#define BIT_BAT_STATUS_FULL     (1 << 1)
#define BIT_BAT_STATUS_IN       (1 << 0)
#define REG_BAT_CHARGE_STATUS       0xF4B1
#define BIT_BAT_CHARGE_STATUS_OVERTEMP  (1 << 2)
#define BIT_BAT_CHARGE_STATUS_PRECHG    (1 << 1)
#define REG_BAT_STATE           0xF482
#define BIT_BAT_STATE_CHARGING      (1 << 1)
#define BIT_BAT_STATE_DISCHARGING   (1 << 0)
#define REG_BAT_POWER           0xF440
#define BIT_BAT_POWER_S3        (1 << 2)
#define BIT_BAT_POWER_ON        (1 << 1)
#define BIT_BAT_POWER_ACIN      (1 << 0)

/* other registers */
/* Audio: rd/wr */
#define REG_AUDIO_VOLUME    0xF46C
#define REG_AUDIO_MUTE      0xF4E7
#define REG_AUDIO_BEEP      0xF4D0
/* USB port power or not: rd/wr */
#define REG_USB0_FLAG       0xF461
#define REG_USB1_FLAG       0xF462
#define REG_USB2_FLAG       0xF463
#define BIT_USB_FLAG_ON     1
#define BIT_USB_FLAG_OFF    0
/* LID */
#define REG_LID_DETECT      0xF4BD
#define BIT_LID_DETECT_ON   1
#define BIT_LID_DETECT_OFF  0
/* CRT */
#define REG_CRT_DETECT      0xF4AD
#define BIT_CRT_DETECT_PLUG 1
#define BIT_CRT_DETECT_UNPLUG   0
/* LCD backlight brightness adjust: 9 levels */
#define REG_DISPLAY_BRIGHTNESS  0xF4F5
/* Black screen Status */
#define BIT_DISPLAY_LCD_ON  1
#define BIT_DISPLAY_LCD_OFF 0
/* LCD backlight control: off/restore */
#define REG_BACKLIGHT_CTRL  0xF7BD
#define BIT_BACKLIGHT_ON    1
#define BIT_BACKLIGHT_OFF   0
/* Reset the machine auto-clear: rd/wr */
#define REG_RESET       0xF4EC
#define BIT_RESET_ON        1
/* Light the led: rd/wr */
#define REG_LED         0xF4C8
#define BIT_LED_RED_POWER   (1 << 0)
#define BIT_LED_ORANGE_POWER    (1 << 1)
#define BIT_LED_GREEN_CHARGE    (1 << 2)
#define BIT_LED_RED_CHARGE  (1 << 3)
#define BIT_LED_NUMLOCK     (1 << 4)
/* Test led mode, all led on/off */
#define REG_LED_TEST        0xF4C2
#define BIT_LED_TEST_IN     1
#define BIT_LED_TEST_OUT    0
/* Camera on/off */
#define REG_CAMERA_STATUS   0xF46A
#define BIT_CAMERA_STATUS_ON    1
#define BIT_CAMERA_STATUS_OFF   0
#define REG_CAMERA_CONTROL  0xF7B7
#define BIT_CAMERA_CONTROL_OFF  0
#define BIT_CAMERA_CONTROL_ON   1
/* Wlan Status */
#define REG_WLAN        0xF4FA
#define BIT_WLAN_ON     1
#define BIT_WLAN_OFF        0
#define REG_DISPLAY_LCD     0xF79F

/* SCI Event Number from EC */
enum {
    EVENT_LID = 0x23,   /*  LID open/close */
    EVENT_DISPLAY_TOGGLE,   /*  Fn+F3 for display switch */
    EVENT_SLEEP,        /*  Fn+F1 for entering sleep mode */
    EVENT_OVERTEMP,     /*  Over-temperature happened */
    EVENT_CRT_DETECT,   /*  CRT is connected */
    EVENT_CAMERA,       /*  Camera on/off */
    EVENT_USB_OC2,      /*  USB2 Over Current occurred */
    EVENT_USB_OC0,      /*  USB0 Over Current occurred */
    EVENT_BLACK_SCREEN, /*  Turn on/off backlight */
    EVENT_AUDIO_MUTE,   /*  Mute on/off */
    EVENT_DISPLAY_BRIGHTNESS,/* LCD backlight brightness adjust */
    EVENT_AC_BAT,       /*  AC & Battery relative issue */
    EVENT_AUDIO_VOLUME, /*  Volume adjust */
    EVENT_WLAN,     /*  Wlan on/off */
    EVENT_END
};

#endif /* !_EC_KB3310B_H */