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/*
* Core driver interface for MAXIM77665
*
* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
* This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __LINUX_MFD_MAX77665_H
#define __LINUX_MFD_MAX77665_H
#include <linux/irq.h>
#include <linux/regmap.h>
/* Max77665 irq register */
#define MAX77665_REG_INTSRC 0x22
#define MAX77665_REG_INTSRC_MASK 0x23
#define MAX77665_INTSRC_CHGR_MASK BIT(0)
#define MAX77665_INTSRC_TOP_MASK BIT(1)
#define MAX77665_INTSRC_FLASH_MASK BIT(2)
#define MAX77665_INTSRC_MUIC_MASK BIT(3)
#define MAX77665_REG_TOP_SYS_INT_STS 0x24
#define MAX77665_REG_TOP_SYS_INT_MASK 0x26
#define MAX77665_TOP_SYS_INT_120C BIT(0)
#define MAX77665_TOP_SYS_INT_140C BIT(1)
#define MAX77665_TOP_SYS_INT_LOWSYS BIT(3)
/* MAX77665 Interrups */
enum {
MAX77665_IRQ_CHARGER,
MAX77665_IRQ_TOP_SYS,
MAX77665_IRQ_FLASH,
MAX77665_IRQ_MUIC,
MAX77665_NUM_IRQ,
};
enum {
MAX77665_I2C_SLAVE_PMIC,
MAX77665_I2C_SLAVE_MUIC,
MAX77665_I2C_SLAVE_HAPTIC,
MAX77665_I2C_SLAVE_MAX,
};
enum {
MAX77665_CELL_CHARGER,
MAX77665_CELL_FLASH,
MAX77665_CELL_MUIC,
MAX77665_CELL_HAPTIC,
MAX77665_CELL_MAX,
};
struct max77665 {
struct device *dev;
struct i2c_client *client[MAX77665_I2C_SLAVE_MAX];
struct regmap *regmap[MAX77665_I2C_SLAVE_MAX];
struct regmap_irq_chip_data *regmap_irq_data;
int irq_base;
int top_sys_irq;
};
struct max77665_cell_data {
void *pdata;
size_t size;
};
struct max77665_system_interrupt {
bool enable_thermal_interrupt;
bool enable_low_sys_interrupt;
};
struct max77665_platform_data {
int irq_base;
unsigned long irq_flag;
struct max77665_system_interrupt *system_interrupt;
struct max77665_cell_data charger_platform_data;
struct max77665_cell_data flash_platform_data;
struct max77665_cell_data muic_platform_data;
struct max77665_cell_data haptic_platform_data;
};
static inline int max77665_write(struct device *dev, int slv_id,
int reg, uint8_t val)
{
struct max77665 *maxim = dev_get_drvdata(dev);
return regmap_write(maxim->regmap[slv_id], reg, val);
}
static inline int max77665_read(struct device *dev, int slv_id,
int reg, uint8_t *val)
{
struct max77665 *maxim = dev_get_drvdata(dev);
unsigned int temp_val;
int ret;
ret = regmap_read(maxim->regmap[slv_id], reg, &temp_val);
if (!ret)
*val = temp_val;
return ret;
}
static inline int max77665_bulk_read(struct device *dev, int slv_id,
int reg, int count, void *val)
{
struct max77665 *maxim = dev_get_drvdata(dev);
return regmap_bulk_read(maxim->regmap[slv_id], reg, val, count);
}
static inline int max77665_update_bits(struct device *dev, int slv_id,
int reg, unsigned int mask, unsigned int val)
{
struct max77665 *maxim = dev_get_drvdata(dev);
return regmap_update_bits(maxim->regmap[slv_id], reg, mask, val);
}
static inline int max77665_set_bits(struct device *dev, int slv_id,
int reg, uint8_t bit_num)
{
struct max77665 *maxim = dev_get_drvdata(dev);
return regmap_update_bits(maxim->regmap[slv_id],
reg, BIT(bit_num), ~0u);
}
static inline int max77665_clr_bits(struct device *dev, int slv_id,
int reg, uint8_t bit_num)
{
struct max77665 *maxim = dev_get_drvdata(dev);
return regmap_update_bits(maxim->regmap[slv_id],
reg, BIT(bit_num), 0u);
}
#endif /*__LINUX_MFD_MAX77665_H */
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