root/include/linux/mfd/adp5520.h

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/*
 * Definitions and platform data for Analog Devices
 * ADP5520/ADP5501 MFD PMICs (Backlight, LED, GPIO and Keys)
 *
 * Copyright 2009 Analog Devices Inc.
 *
 * Licensed under the GPL-2 or later.
 */


#ifndef __LINUX_MFD_ADP5520_H
#define __LINUX_MFD_ADP5520_H

#define ID_ADP5520              5520
#define ID_ADP5501              5501

/*
 * ADP5520/ADP5501 Register Map
 */

#define ADP5520_MODE_STATUS             0x00
#define ADP5520_INTERRUPT_ENABLE        0x01
#define ADP5520_BL_CONTROL              0x02
#define ADP5520_BL_TIME                 0x03
#define ADP5520_BL_FADE                 0x04
#define ADP5520_DAYLIGHT_MAX            0x05
#define ADP5520_DAYLIGHT_DIM            0x06
#define ADP5520_OFFICE_MAX              0x07
#define ADP5520_OFFICE_DIM              0x08
#define ADP5520_DARK_MAX                0x09
#define ADP5520_DARK_DIM                0x0A
#define ADP5520_BL_VALUE                0x0B
#define ADP5520_ALS_CMPR_CFG            0x0C
#define ADP5520_L2_TRIP                 0x0D
#define ADP5520_L2_HYS                  0x0E
#define ADP5520_L3_TRIP                 0x0F
#define ADP5520_L3_HYS                  0x10
#define ADP5520_LED_CONTROL             0x11
#define ADP5520_LED_TIME                0x12
#define ADP5520_LED_FADE                0x13
#define ADP5520_LED1_CURRENT            0x14
#define ADP5520_LED2_CURRENT            0x15
#define ADP5520_LED3_CURRENT            0x16

/*
 * ADP5520 Register Map
 */

#define ADP5520_GPIO_CFG_1              0x17
#define ADP5520_GPIO_CFG_2              0x18
#define ADP5520_GPIO_IN                 0x19
#define ADP5520_GPIO_OUT                0x1A
#define ADP5520_GPIO_INT_EN             0x1B
#define ADP5520_GPIO_INT_STAT           0x1C
#define ADP5520_GPIO_INT_LVL            0x1D
#define ADP5520_GPIO_DEBOUNCE           0x1E
#define ADP5520_GPIO_PULLUP             0x1F
#define ADP5520_KP_INT_STAT_1           0x20
#define ADP5520_KP_INT_STAT_2           0x21
#define ADP5520_KR_INT_STAT_1           0x22
#define ADP5520_KR_INT_STAT_2           0x23
#define ADP5520_KEY_STAT_1              0x24
#define ADP5520_KEY_STAT_2              0x25

/*
 * MODE_STATUS bits
 */

#define ADP5520_nSTNBY          (1 << 7)
#define ADP5520_BL_EN           (1 << 6)
#define ADP5520_DIM_EN          (1 << 5)
#define ADP5520_OVP_INT         (1 << 4)
#define ADP5520_CMPR_INT        (1 << 3)
#define ADP5520_GPI_INT         (1 << 2)
#define ADP5520_KR_INT          (1 << 1)
#define ADP5520_KP_INT          (1 << 0)

/*
 * INTERRUPT_ENABLE bits
 */

#define ADP5520_AUTO_LD_EN      (1 << 4)
#define ADP5520_CMPR_IEN        (1 << 3)
#define ADP5520_OVP_IEN         (1 << 2)
#define ADP5520_KR_IEN          (1 << 1)
#define ADP5520_KP_IEN          (1 << 0)

/*
 * BL_CONTROL bits
 */

#define ADP5520_BL_LVL          ((x) << 5)
#define ADP5520_BL_LAW          ((x) << 4)
#define ADP5520_BL_AUTO_ADJ     (1 << 3)
#define ADP5520_OVP_EN          (1 << 2)
#define ADP5520_FOVR            (1 << 1)
#define ADP5520_KP_BL_EN        (1 << 0)

/*
 * ALS_CMPR_CFG bits
 */

#define ADP5520_L3_OUT          (1 << 3)
#define ADP5520_L2_OUT          (1 << 2)
#define ADP5520_L3_EN           (1 << 1)

#define ADP5020_MAX_BRIGHTNESS  0x7F

#define FADE_VAL(in, out)       ((0xF & (in)) | ((0xF & (out)) << 4))
#define BL_CTRL_VAL(law, auto)  (((1 & (auto)) << 3) | ((0x3 & (law)) << 4))
#define ALS_CMPR_CFG_VAL(filt, l3_en)   (((0x7 & filt) << 5) | l3_en)

/*
 * LEDs subdevice bits and masks
 */

#define ADP5520_01_MAXLEDS 3

#define ADP5520_FLAG_LED_MASK           0x3
#define ADP5520_FLAG_OFFT_SHIFT         8
#define ADP5520_FLAG_OFFT_MASK          0x3

#define ADP5520_R3_MODE         (1 << 5)
#define ADP5520_C3_MODE         (1 << 4)
#define ADP5520_LED_LAW         (1 << 3)
#define ADP5520_LED3_EN         (1 << 2)
#define ADP5520_LED2_EN         (1 << 1)
#define ADP5520_LED1_EN         (1 << 0)

/*
 * GPIO subdevice bits and masks
 */

#define ADP5520_MAXGPIOS        8

#define ADP5520_GPIO_C3         (1 << 7)        /* LED2 or GPIO7 aka C3 */
#define ADP5520_GPIO_C2         (1 << 6)
#define ADP5520_GPIO_C1         (1 << 5)
#define ADP5520_GPIO_C0         (1 << 4)
#define ADP5520_GPIO_R3         (1 << 3)        /* LED3 or GPIO3 aka R3 */
#define ADP5520_GPIO_R2         (1 << 2)
#define ADP5520_GPIO_R1         (1 << 1)
#define ADP5520_GPIO_R0         (1 << 0)

struct adp5520_gpio_platform_data {
        unsigned gpio_start;
        u8 gpio_en_mask;
        u8 gpio_pullup_mask;
};

/*
 * Keypad subdevice bits and masks
 */

#define ADP5520_MAXKEYS 16

#define ADP5520_COL_C3          (1 << 7)        /* LED2 or GPIO7 aka C3 */
#define ADP5520_COL_C2          (1 << 6)
#define ADP5520_COL_C1          (1 << 5)
#define ADP5520_COL_C0          (1 << 4)
#define ADP5520_ROW_R3          (1 << 3)        /* LED3 or GPIO3 aka R3 */
#define ADP5520_ROW_R2          (1 << 2)
#define ADP5520_ROW_R1          (1 << 1)
#define ADP5520_ROW_R0          (1 << 0)

#define ADP5520_KEY(row, col) (col + row * 4)
#define ADP5520_KEYMAPSIZE      ADP5520_MAXKEYS

struct adp5520_keys_platform_data {
        int rows_en_mask;               /* Number of rows */
        int cols_en_mask;               /* Number of columns */
        const unsigned short *keymap;   /* Pointer to keymap */
        unsigned short keymapsize;      /* Keymap size */
        unsigned repeat:1;              /* Enable key repeat */
};


/*
 * LEDs subdevice platform data
 */

#define FLAG_ID_ADP5520_LED1_ADP5501_LED0       1       /* ADP5520 PIN ILED */
#define FLAG_ID_ADP5520_LED2_ADP5501_LED1       2       /* ADP5520 PIN C3 */
#define FLAG_ID_ADP5520_LED3_ADP5501_LED2       3       /* ADP5520 PIN R3 */

#define ADP5520_LED_DIS_BLINK   (0 << ADP5520_FLAG_OFFT_SHIFT)
#define ADP5520_LED_OFFT_600ms  (1 << ADP5520_FLAG_OFFT_SHIFT)
#define ADP5520_LED_OFFT_800ms  (2 << ADP5520_FLAG_OFFT_SHIFT)
#define ADP5520_LED_OFFT_1200ms (3 << ADP5520_FLAG_OFFT_SHIFT)

#define ADP5520_LED_ONT_200ms   0
#define ADP5520_LED_ONT_600ms   1
#define ADP5520_LED_ONT_800ms   2
#define ADP5520_LED_ONT_1200ms  3

struct adp5520_leds_platform_data {
        int num_leds;
        struct led_info *leds;
        u8 fade_in;             /* Backlight Fade-In Timer */
        u8 fade_out;            /* Backlight Fade-Out Timer */
        u8 led_on_time;
};

/*
 * Backlight subdevice platform data
 */

#define ADP5520_FADE_T_DIS      0       /* Fade Timer Disabled */
#define ADP5520_FADE_T_300ms    1       /* 0.3 Sec */
#define ADP5520_FADE_T_600ms    2
#define ADP5520_FADE_T_900ms    3
#define ADP5520_FADE_T_1200ms   4
#define ADP5520_FADE_T_1500ms   5
#define ADP5520_FADE_T_1800ms   6
#define ADP5520_FADE_T_2100ms   7
#define ADP5520_FADE_T_2400ms   8
#define ADP5520_FADE_T_2700ms   9
#define ADP5520_FADE_T_3000ms   10
#define ADP5520_FADE_T_3500ms   11
#define ADP5520_FADE_T_4000ms   12
#define ADP5520_FADE_T_4500ms   13
#define ADP5520_FADE_T_5000ms   14
#define ADP5520_FADE_T_5500ms   15      /* 5.5 Sec */

#define ADP5520_BL_LAW_LINEAR   0
#define ADP5520_BL_LAW_SQUARE   1
#define ADP5520_BL_LAW_CUBIC1   2
#define ADP5520_BL_LAW_CUBIC2   3

#define ADP5520_BL_AMBL_FILT_80ms       0       /* Light sensor filter time */
#define ADP5520_BL_AMBL_FILT_160ms      1
#define ADP5520_BL_AMBL_FILT_320ms      2
#define ADP5520_BL_AMBL_FILT_640ms      3
#define ADP5520_BL_AMBL_FILT_1280ms     4
#define ADP5520_BL_AMBL_FILT_2560ms     5
#define ADP5520_BL_AMBL_FILT_5120ms     6
#define ADP5520_BL_AMBL_FILT_10240ms    7       /* 10.24 sec */

        /*
         * Blacklight current 0..30mA
         */
#define ADP5520_BL_CUR_mA(I)            ((I * 127) / 30)

        /*
         * L2 comparator current 0..1000uA
         */
#define ADP5520_L2_COMP_CURR_uA(I)      ((I * 255) / 1000)

        /*
         * L3 comparator current 0..127uA
         */
#define ADP5520_L3_COMP_CURR_uA(I)      ((I * 255) / 127)

struct adp5520_backlight_platform_data {
        u8 fade_in;             /* Backlight Fade-In Timer */
        u8 fade_out;            /* Backlight Fade-Out Timer */
        u8 fade_led_law;        /* fade-on/fade-off transfer characteristic */

        u8 en_ambl_sens;        /* 1 = enable ambient light sensor */
        u8 abml_filt;           /* Light sensor filter time */
        u8 l1_daylight_max;     /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
        u8 l1_daylight_dim;     /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
        u8 l2_office_max;       /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
        u8 l2_office_dim;       /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
        u8 l3_dark_max;         /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
        u8 l3_dark_dim;         /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
        u8 l2_trip;             /* use L2_COMP_CURR_uA(I) 0 <= I <= 1000 uA */
        u8 l2_hyst;             /* use L2_COMP_CURR_uA(I) 0 <= I <= 1000 uA */
        u8 l3_trip;             /* use L3_COMP_CURR_uA(I) 0 <= I <= 127 uA */
        u8 l3_hyst;             /* use L3_COMP_CURR_uA(I) 0 <= I <= 127 uA */
};

/*
 * MFD chip platform data
 */

struct adp5520_platform_data {
        struct adp5520_keys_platform_data *keys;
        struct adp5520_gpio_platform_data *gpio;
        struct adp5520_leds_platform_data *leds;
        struct adp5520_backlight_platform_data *backlight;
};

/*
 * MFD chip functions
 */

extern int adp5520_read(struct device *dev, int reg, uint8_t *val);
extern int adp5520_write(struct device *dev, int reg, u8 val);
extern int adp5520_clr_bits(struct device *dev, int reg, uint8_t bit_mask);
extern int adp5520_set_bits(struct device *dev, int reg, uint8_t bit_mask);

extern int adp5520_register_notifier(struct device *dev,
                 struct notifier_block *nb, unsigned int events);

extern int adp5520_unregister_notifier(struct device *dev,
                struct notifier_block *nb, unsigned int events);

#endif /* __LINUX_MFD_ADP5520_H */
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