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/*
* Copyright 2016-2017 Toradex AG
* Dominik Sliwa <dominik.sliwa@toradex.com>
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 2 as published by the
* Free Software Foundation.
*/
#ifndef __LINUX_MFD_APALIS_TK1_K20_H
#define __LINUX_MFD_APALIS_TK1_K20_H
#include <linux/interrupt.h>
#include <linux/mutex.h>
#include <linux/regmap.h>
#include <linux/mfd/apalis-tk1-k20-api.h>
#define APALIS_TK1_MAX_RETRY_CNT 4
#define APALIS_TK1_K20_MAX_SPI_SPEED 6120000
struct apalis_tk1_k20_regmap {
struct regmap *regmap;
struct device *dev;
struct regmap_irq irqs[APALIS_TK1_K20_IRQ_REG_CNT * APALIS_TK1_K20_IRQ_PER_REG];
struct regmap_irq_chip irq_chip;
struct regmap_irq_chip_data *irq_data;
int can0_irq;
int can1_irq;
struct mutex lock;
int irq;
int flags;
int ezpcs_gpio;
int reset_gpio;
int appcs_gpio;
int int2_gpio;
};
void apalis_tk1_k20_lock(struct apalis_tk1_k20_regmap *apalis_tk1_k20);
void apalis_tk1_k20_unlock(struct apalis_tk1_k20_regmap *apalis_tk1_k20);
int apalis_tk1_k20_reg_read(struct apalis_tk1_k20_regmap *apalis_tk1_k20, unsigned int offset, u32 *val);
int apalis_tk1_k20_reg_write(struct apalis_tk1_k20_regmap *apalis_tk1_k20, unsigned int offset, u32 val);
int apalis_tk1_k20_reg_read_bulk(struct apalis_tk1_k20_regmap *apalis_tk1_k20, unsigned int offset,
uint8_t *val, size_t size);
int apalis_tk1_k20_reg_write_bulk(struct apalis_tk1_k20_regmap *apalis_tk1_k20, unsigned int offset,
uint8_t *val, size_t size);
int apalis_tk1_k20_reg_rmw(struct apalis_tk1_k20_regmap *apalis_tk1_k20, unsigned int offset,
u32 mask, u32 val);
int apalis_tk1_k20_irq_mask(struct apalis_tk1_k20_regmap *apalis_tk1_k20, int irq);
int apalis_tk1_k20_irq_unmask(struct apalis_tk1_k20_regmap *apalis_tk1_k20, int irq);
int apalis_tk1_k20_irq_request(struct apalis_tk1_k20_regmap *apalis_tk1_k20, int irq,
irq_handler_t handler, const char *name, void *dev);
int apalis_tk1_k20_irq_free(struct apalis_tk1_k20_regmap *apalis_tk1_k20, int irq, void *dev);
int apalis_tk1_k20_irq_status(struct apalis_tk1_k20_regmap *apalis_tk1_k20, int irq,
int *enabled, int *pending);
int apalis_tk1_k20_get_flags(struct apalis_tk1_k20_regmap *apalis_tk1_k20);
struct apalis_tk1_k20_can_platform_data {
uint8_t id;
u16 status;
};
struct apalis_tk1_k20_tsc_platform_data {
u16 status;
};
struct apalis_tk1_k20_adc_platform_data {
u16 status;
};
struct apalis_tk1_k20_gpio_platform_data {
u16 status;
};
#define APALIS_TK1_K20_USES_TSC BIT(0)
#define APALIS_TK1_K20_USES_ADC BIT(1)
#define APALIS_TK1_K20_USES_CAN BIT(2)
#define APALIS_TK1_K20_USES_GPIO BIT(3)
struct apalis_tk1_k20_platform_data {
unsigned int flags;
struct apalis_tk1_k20_tsc_platform_data touch;
struct apalis_tk1_k20_adc_platform_data adc;
struct apalis_tk1_k20_can_platform_data can0;
struct apalis_tk1_k20_can_platform_data can1;
struct apalis_tk1_k20_gpio_platform_data gpio;
int ezpcs_gpio;
int reset_gpio;
int appcs_gpio;
int int2_gpio;
};
#define APALIS_TK1_K20_ADC_CHANNELS 4
#define APALIS_TK1_K20_ADC_BITS 16
#define APALIS_TK1_K20_VADC_MILI 3300
enum apalis_tk1_k20_adc_id {
APALIS_TK1_K20_ADC1,
APALIS_TK1_K20_ADC2,
APALIS_TK1_K20_ADC3,
APALIS_TK1_K20_ADC4
};
#endif /* ifndef __LINUX_MFD_APALIS_TK1_K20_H */
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