root/include/linux/mfd/tps65090.h

DEFINITIONS

1. tps65090_write
2. tps65090_read
3. tps65090_set_bits
4. tps65090_clr_bits

/*
 * Core driver interface for TI TPS65090 PMIC family
 *
 * Copyright (C) 2012 NVIDIA Corporation
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 */

#ifndef __LINUX_MFD_TPS65090_H
#define __LINUX_MFD_TPS65090_H

#include <linux/irq.h>
#include <linux/regmap.h>

/* TPS65090 IRQs */
enum {
        TPS65090_IRQ_INTERRUPT,
        TPS65090_IRQ_VAC_STATUS_CHANGE,
        TPS65090_IRQ_VSYS_STATUS_CHANGE,
        TPS65090_IRQ_BAT_STATUS_CHANGE,
        TPS65090_IRQ_CHARGING_STATUS_CHANGE,
        TPS65090_IRQ_CHARGING_COMPLETE,
        TPS65090_IRQ_OVERLOAD_DCDC1,
        TPS65090_IRQ_OVERLOAD_DCDC2,
        TPS65090_IRQ_OVERLOAD_DCDC3,
        TPS65090_IRQ_OVERLOAD_FET1,
        TPS65090_IRQ_OVERLOAD_FET2,
        TPS65090_IRQ_OVERLOAD_FET3,
        TPS65090_IRQ_OVERLOAD_FET4,
        TPS65090_IRQ_OVERLOAD_FET5,
        TPS65090_IRQ_OVERLOAD_FET6,
        TPS65090_IRQ_OVERLOAD_FET7,
};

/* TPS65090 Regulator ID */
enum {
        TPS65090_REGULATOR_DCDC1,
        TPS65090_REGULATOR_DCDC2,
        TPS65090_REGULATOR_DCDC3,
        TPS65090_REGULATOR_FET1,
        TPS65090_REGULATOR_FET2,
        TPS65090_REGULATOR_FET3,
        TPS65090_REGULATOR_FET4,
        TPS65090_REGULATOR_FET5,
        TPS65090_REGULATOR_FET6,
        TPS65090_REGULATOR_FET7,
        TPS65090_REGULATOR_LDO1,
        TPS65090_REGULATOR_LDO2,

        /* Last entry for maximum ID */
        TPS65090_REGULATOR_MAX,
};

/* Register addresses */
#define TPS65090_REG_INTR_STS   0x00
#define TPS65090_REG_INTR_STS2  0x01
#define TPS65090_REG_INTR_MASK  0x02
#define TPS65090_REG_INTR_MASK2 0x03
#define TPS65090_REG_CG_CTRL0   0x04
#define TPS65090_REG_CG_CTRL1   0x05
#define TPS65090_REG_CG_CTRL2   0x06
#define TPS65090_REG_CG_CTRL3   0x07
#define TPS65090_REG_CG_CTRL4   0x08
#define TPS65090_REG_CG_CTRL5   0x09
#define TPS65090_REG_CG_STATUS1 0x0a
#define TPS65090_REG_CG_STATUS2 0x0b

struct tps65090 {
        struct device           *dev;
        struct regmap           *rmap;
        struct regmap_irq_chip_data *irq_data;
};

/*
 * struct tps65090_regulator_plat_data
 *
 * @reg_init_data: The regulator init data.
 * @enable_ext_control: Enable extrenal control or not. Only available for
 *     DCDC1, DCDC2 and DCDC3.
 * @gpio: Gpio number if external control is enabled and controlled through
 *     gpio.
 * @overcurrent_wait_valid: True if the overcurrent_wait should be applied.
 * @overcurrent_wait: Value to set as the overcurrent wait time.  This is the
 *     actual bitfield value, not a time in ms (valid value are 0 - 3).
 */
struct tps65090_regulator_plat_data {
        struct regulator_init_data *reg_init_data;
        bool enable_ext_control;
        int gpio;
        bool overcurrent_wait_valid;
        int overcurrent_wait;
};

struct tps65090_platform_data {
        int irq_base;

        char **supplied_to;
        size_t num_supplicants;
        int enable_low_current_chrg;

        struct tps65090_regulator_plat_data *reg_pdata[TPS65090_REGULATOR_MAX];
};

/*
 * NOTE: the functions below are not intended for use outside
 * of the TPS65090 sub-device drivers
 */
static inline int tps65090_write(struct device *dev, int reg, uint8_t val)
{
        struct tps65090 *tps = dev_get_drvdata(dev);

        return regmap_write(tps->rmap, reg, val);
}

static inline int tps65090_read(struct device *dev, int reg, uint8_t *val)
{
        struct tps65090 *tps = dev_get_drvdata(dev);
        unsigned int temp_val;
        int ret;

        ret = regmap_read(tps->rmap, reg, &temp_val);
        if (!ret)
                *val = temp_val;
        return ret;
}

static inline int tps65090_set_bits(struct device *dev, int reg,
                uint8_t bit_num)
{
        struct tps65090 *tps = dev_get_drvdata(dev);

        return regmap_update_bits(tps->rmap, reg, BIT(bit_num), ~0u);
}

static inline int tps65090_clr_bits(struct device *dev, int reg,
                uint8_t bit_num)
{
        struct tps65090 *tps = dev_get_drvdata(dev);

        return regmap_update_bits(tps->rmap, reg, BIT(bit_num), 0u);
}

#endif /*__LINUX_MFD_TPS65090_H */