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/*
* da9052 declarations.
*
* Copyright(c) 2009 Dialog Semiconductor Ltd.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef __LINUX_MFD_DA9052_DA9052_H
#define __LINUX_MFD_DA9052_DA9052_H
#include <linux/slab.h>
#include <linux/mfd/core.h>
#include <linux/mfd/da9052/eh.h>
#include <linux/mfd/da9052/reg.h>
#include <linux/mfd/da9052/led.h>
#define SPI 1
#define I2C 2
#define DA9052_SSC_DEVICE_NAME "da9052_ssc"
#define DA9052_EH_DEVICE_NAME "da9052_eh"
#define DA9052_IRQ S3C_EINT(9)
/* Module specific error codes */
#define INVALID_REGISTER 2
#define INVALID_READ 3
#define INVALID_PAGE 4
/* Defines for Volatile and Non Volatile register types */
#define VOLATILE 0
#define NON_VOLATILE 1
/* Defines for cache state */
#define VALID 0
#define INVALID 1
/* Total number of registers in DA9057 */
#define DA9052_REG_CNT DA9052_PAGE1_REG_END
/* Maximum number of registers that can be read/written by a singe request */
#define MAX_READ_WRITE_CNT 16
#define DA9052_SSC_SPI_DEVICE_NAME "da9052_ssc_spi"
#define PAGE_0_START 1
#define PAGE_0_END 127
#define PAGE_1_START 128
#define PAGE_1_END 255
#define ACTIVE_PAGE_0 0
#define ACTIVE_PAGE_1 1
#define PAGECON_0 0
#define PAGECON_128 128
#define RW_POL 1
#define DA9052_SSC_I2C_DEVICE_NAME "da9052_ssc_i2c"
#define DA9052_I2C_ADDR 0x90
#define DA9052_SSC_I2C_PAGE_WRITE_MODE 0
#define DA9052_SSC_I2C_REPEAT_WRITE_MODE 1
#define DA9052_SSC_I2C_WRITE_MODE DA9052_SSC_I2C_REPEAT_WRITE_MODE
struct da9052_ssc_msg {
unsigned char data;
unsigned char addr;
};
struct ssc_cache_entry{
unsigned char val;
unsigned char type:4;
unsigned char status:4;
};
struct da9052_eh_nb{
struct list_head nb_list;
unsigned char eve_type;
void (*call_back)(struct da9052_eh_nb *, unsigned int);
};
struct da9052_regulator_init_data {
struct regulator_init_data *init_data;
int id;
};
struct da9052_regulator_platform_data {
struct regulator_init_data *regulators;
};
struct da9052_tsi_platform_data {
u32 pen_up_interval;
u16 tsi_delay_bit_shift;
u16 tsi_skip_bit_shift;
u16 num_gpio_tsi_register;
u16 tsi_supply_voltage;
u16 tsi_ref_source;
u16 max_tsi_delay;
u16 max_tsi_skip_slot;
};
struct da9052 {
struct mutex ssc_lock;
struct mutex eve_nb_lock;
struct mutex manconv_lock;
struct work_struct eh_isr_work;
struct ssc_cache_entry ssc_cache[DA9052_REG_CNT];
int (*read) (struct da9052 *da9052, struct da9052_ssc_msg *sscmsg);
int (*write) (struct da9052 *da9052, struct da9052_ssc_msg *sscmsg);
int (*read_many) (struct da9052 *da9052,
struct da9052_ssc_msg *sscmsg, int cnt);
int (*write_many)(struct da9052 *da9052,
struct da9052_ssc_msg *sscmsg, int cnt);
int (*register_event_notifier)(struct da9052 *da9052,
struct da9052_eh_nb *nb);
int (*unregister_event_notifier)(struct da9052 *da9052,
struct da9052_eh_nb *nb);
int num_regulators;
int connecting_device;
int irq;
struct spi_device *spi_dev;
unsigned int spi_active_page;
unsigned char rw_pol;
unsigned char *spi_rx_buf;
unsigned char *spi_tx_buf;
struct i2c_client *i2c_client;
struct device *dev;
struct i2c_adapter *adapter;
unsigned char slave_addr;
};
struct da9052_platform_data {
int (*init)(struct da9052 *da9052);
int irq_high;
int irq_base;
int gpio_base;
int num_regulators;
struct da9052 *da9052;
struct regulator_init_data *regulators;
struct da9052_leds_platform_data *led_data;
struct da9052_tsi_platform_data *tsi_data;
};
struct da9052_ssc_ops {
int (*write)(struct da9052 *da9052, struct da9052_ssc_msg *msg);
int (*read)(struct da9052 *da9052, struct da9052_ssc_msg *msg);
int (*write_many)(struct da9052 *da9052,
struct da9052_ssc_msg *sscmsg, int msg_no);
int (*read_many)(struct da9052 *da9052,
struct da9052_ssc_msg *sscmsg, int msg_no);
int (*device_register)(struct da9052 *da9052);
void (*device_unregister)(void);
};
int da9052_ssc_write(struct da9052 *da9052,
struct da9052_ssc_msg *sscmsg);
int da9052_ssc_read(struct da9052 *da9052,
struct da9052_ssc_msg *sscmsg);
int da9052_ssc_write_many(struct da9052 *da9052,
struct da9052_ssc_msg *sscmsg, int cnt);
int da9052_ssc_read_many(struct da9052 *da9052,
struct da9052_ssc_msg *sscmsg, int cnt);
int da9052_spi_write(struct da9052 *da9052,
struct da9052_ssc_msg *msg);
int da9052_spi_read(struct da9052 *da9052,
struct da9052_ssc_msg *msg);
int da9052_spi_write_many(struct da9052 *da9052, struct da9052_ssc_msg *sscmsg,
int msg_no);
int da9052_spi_read_many(struct da9052 *da9052,
struct da9052_ssc_msg *sscmsg,
int msg_no);
void da9052_ssc_exit(struct da9052 *da9052);
int da9052_ssc_init(struct da9052 *da9052);
/* I2C specific Functions */
int da9052_i2c_write(struct da9052 *da9052, struct da9052_ssc_msg *msg);
int da9052_i2c_read(struct da9052 *da9052, struct da9052_ssc_msg *msg);
int da9052_i2c_write_many(struct da9052 *da9052,
struct da9052_ssc_msg *sscmsg, int msg_no);
int da9052_i2c_read_many(struct da9052 *da9052,
struct da9052_ssc_msg *sscmsg, int msg_no);
void da9052_lock(struct da9052 *da9052);
void da9052_unlock(struct da9052 *da9052);
int eh_register_nb(struct da9052 *da9052, struct da9052_eh_nb *nb);
int eh_unregister_nb(struct da9052 *da9052, struct da9052_eh_nb *nb);
int da9052_manual_read(struct da9052 *da9052,
unsigned char channel);
void da9053_power_off(void);
#endif /* __LINUX_MFD_DA9052_DA9052_H */
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