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/*
* da9052 GPIO module 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_GPIO_H
#define __LINUX_MFD_DA9052_GPIO_H
#include <linux/gpio.h>
#define DA9052_GPIO_DEVICE_NAME "da9052_gpio"
#define DA9052_GPIO_INVALID_TYPE 1
#define DA9052_GPIO_INVALID_MODE 2
#define DA9052_GPIO_INVALID_PORTNUMBER 3
#define DA9052_GPIO_INVALID_FUNCTION 4
#define DA9052_GPIO_CONFIG_ADC 1
#define DA9052_GPIO_CONFIG_TSI 2
#define DA9052_GPIO_CONFIG_PM 3
#define DA9052_GPIO_CONFIG_ACC_ID_DET 4
#define DA9052_GPIO_CONFIG_GP_FB1 5
#define DA9052_GPIO_CONFIG_VDD_FAULT 6
#define DA9052_GPIO_CONFIG_I2C 7
#define DA9052_GPIO_CONFIG 8
/* Currently used defines for GPIO PINs */
#define DA9052_GPIO_PIN_0 DA9052_GPIO_CONFIG_ADC
#define DA9052_GPIO_PIN_1 DA9052_GPIO_CONFIG_ADC
#define DA9052_GPIO_PIN_2 DA9052_GPIO_CONFIG_ADC
#define DA9052_GPIO_PIN_3 DA9052_GPIO_CONFIG_TSI
#define DA9052_GPIO_PIN_4 DA9052_GPIO_CONFIG_TSI
#define DA9052_GPIO_PIN_5 DA9052_GPIO_CONFIG_TSI
#define DA9052_GPIO_PIN_6 DA9052_GPIO_CONFIG_TSI
#define DA9052_GPIO_PIN_7 DA9052_GPIO_CONFIG_TSI
#define DA9052_GPIO_PIN_8 DA9052_GPIO_CONFIG
#define DA9052_GPIO_PIN_9 DA9052_GPIO_CONFIG
#define DA9052_GPIO_PIN_10 DA9052_GPIO_CONFIG
#define DA9052_GPIO_PIN_11 DA9052_GPIO_CONFIG
#define DA9052_GPIO_PIN_12 DA9052_GPIO_CONFIG
#define DA9052_GPIO_PIN_13 DA9052_GPIO_CONFIG
#define DA9052_GPIO_PIN_14 DA9052_GPIO_CONFIG
#define DA9052_GPIO_PIN_15 DA9052_GPIO_CONFIG
enum ip_op_type {
ALTERNATE_FUNCTIONALITY = 0,
INPUT,
OUTPUT_OPENDRAIN,
OUTPUT_PUSHPULL
};
enum ip_type {
ACTIVE_LOW = 0,
ACTIVE_HIGH
};
enum op_type {
SUPPLY_VDD_IO1 = 0,
SUPPLY_VDD_IO2
};
enum op_mode {
OUTPUT_LOWLEVEL = 0,
OUTPUT_HIGHLEVEL
};
enum ip_mode {
DEBOUNCING_OFF = 0,
DEBOUNCING_ON
};
/*DEFAULT CONFIG FOR GPIO 0*/
#if (DA9052_GPIO_PIN_0 == DA9052_GPIO_CONFIG)
#define DEFAULT_GPIO0_FUNCTION INPUT
#define DEFAULT_GPIO0_TYPE ACTIVE_LOW
#define DEFAULT_GPIO0_MODE DEBOUNCING_ON
#endif
/*DEFAULT CONFIG FOR GPIO 1*/
#if (DA9052_GPIO_PIN_1 == DA9052_GPIO_CONFIG)
#define DEFAULT_GPIO1_FUNCTION INPUT
#define DEFAULT_GPIO1_TYPE ACTIVE_LOW
#define DEFAULT_GPIO1_MODE DEBOUNCING_ON
#endif
/*DEFAULT CONFIG FOR GPIO 2*/
#if (DA9052_GPIO_PIN_2 == DA9052_GPIO_CONFIG)
#define DEFAULT_GPIO2_FUNCTION INPUT
#define DEFAULT_GPIO2_TYPE ACTIVE_LOW
#define DEFAULT_GPIO2_MODE DEBOUNCING_ON
#endif
/*DEFAULT CONFIG FOR GPIO 3*/
#if (DA9052_GPIO_PIN_3 == DA9052_GPIO_CONFIG)
#define DEFAULT_GPIO3_FUNCTION INPUT
#define DEFAULT_GPIO3_TYPE ACTIVE_LOW
#define DEFAULT_GPIO3_MODE DEBOUNCING_ON
#endif
/*DEFAULT CONFIG FOR GPIO 4*/
#if (DA9052_GPIO_PIN_4 == DA9052_GPIO_CONFIG)
#define DEFAULT_GPIO4_FUNCTION OUTPUT_PUSHPULL
#define DEFAULT_GPIO4_TYPE SUPPLY_VDD_IO1
#define DEFAULT_GPIO4_MODE OUTPUT_LOWLEVEL
#endif
/*DEFAULT CONFIG FOR GPIO 5*/
#if (DA9052_GPIO_PIN_5 == DA9052_GPIO_CONFIG)
#define DEFAULT_GPIO5_FUNCTION OUTPUT_PUSHPULL
#define DEFAULT_GPIO5_TYPE SUPPLY_VDD_IO1
#define DEFAULT_GPIO5_MODE OUTPUT_LOWLEVEL
#endif
/*DEFAULT CONFIG FOR GPIO 6*/
#if (DA9052_GPIO_PIN_6 == DA9052_GPIO_CONFIG)
#define DEFAULT_GPIO6_FUNCTION OUTPUT_PUSHPULL
#define DEFAULT_GPIO6_TYPE SUPPLY_VDD_IO1
#define DEFAULT_GPIO6_MODE OUTPUT_LOWLEVEL
#endif
/*DEFAULT CONFIG FOR GPIO 7*/
#if (DA9052_GPIO_PIN_7 == DA9052_GPIO_CONFIG)
#define DEFAULT_GPIO7_FUNCTION OUTPUT_PUSHPULL
#define DEFAULT_GPIO7_TYPE SUPPLY_VDD_IO1
#define DEFAULT_GPIO7_MODE OUTPUT_LOWLEVEL
#endif
/*DEFAULT CONFIG FOR GPIO 8*/
#if (DA9052_GPIO_PIN_8 == DA9052_GPIO_CONFIG)
#define DEFAULT_GPIO8_FUNCTION INPUT
#define DEFAULT_GPIO8_TYPE ACTIVE_LOW
#define DEFAULT_GPIO8_MODE DEBOUNCING_ON
#endif
/*DEFAULT CONFIG FOR GPIO 9*/
#if (DA9052_GPIO_PIN_9 == DA9052_GPIO_CONFIG)
#define DEFAULT_GPIO9_FUNCTION INPUT
#define DEFAULT_GPIO9_TYPE ACTIVE_LOW
#define DEFAULT_GPIO9_MODE DEBOUNCING_ON
#endif
#if (DA9052_GPIO_PIN_10 == DA9052_GPIO_CONFIG)
#define DEFAULT_GPIO10_FUNCTION OUTPUT_PUSHPULL
#define DEFAULT_GPIO10_TYPE SUPPLY_VDD_IO2
#define DEFAULT_GPIO10_MODE OUTPUT_HIGHLEVEL
#endif
/*DEFAULT CONFIG FOR GPIO 11 - for RTC blinking LED */
#if (DA9052_GPIO_PIN_11 == DA9052_GPIO_CONFIG)
#define DEFAULT_GPIO11_FUNCTION OUTPUT_PUSHPULL
#define DEFAULT_GPIO11_TYPE SUPPLY_VDD_IO2
#define DEFAULT_GPIO11_MODE OUTPUT_HIGHLEVEL
#endif
/*DEFAULT CONFIG FOR GPIO 12*/
#if (DA9052_GPIO_PIN_12 == DA9052_GPIO_CONFIG)
#define DEFAULT_GPIO12_FUNCTION OUTPUT_PUSHPULL
#define DEFAULT_GPIO12_TYPE SUPPLY_VDD_IO1
#define DEFAULT_GPIO12_MODE OUTPUT_LOWLEVEL
#endif
/*DEFAULT CONFIG FOR GPIO 13*/
#if (DA9052_GPIO_PIN_13 == DA9052_GPIO_CONFIG)
#define DEFAULT_GPIO13_FUNCTION OUTPUT_PUSHPULL
#define DEFAULT_GPIO13_TYPE SUPPLY_VDD_IO1
#define DEFAULT_GPIO13_MODE OUTPUT_LOWLEVEL
#endif
/*DEFAULT CONFIG FOR GPIO 14 - for LED4 */
#if (DA9052_GPIO_PIN_14 == DA9052_GPIO_CONFIG)
#define DEFAULT_GPIO14_FUNCTION OUTPUT_OPENDRAIN
#define DEFAULT_GPIO14_TYPE SUPPLY_VDD_IO1
#define DEFAULT_GPIO14_MODE OUTPUT_HIGHLEVEL
#endif
/*DEFAULT CONFIG FOR GPIO 15 - for LED5 */
#if (DA9052_GPIO_PIN_15 == DA9052_GPIO_CONFIG)
#define DEFAULT_GPIO15_FUNCTION OUTPUT_OPENDRAIN
#define DEFAULT_GPIO15_TYPE SUPPLY_VDD_IO1
#define DEFAULT_GPIO15_MODE OUTPUT_HIGHLEVEL
#endif
#define DA9052_GPIO_MAX_PORTNUMBER 16
#define DA9052_GPIO_MAX_PORTS_PER_REGISTER 8
#define DA9052_GPIO_SHIFT_COUNT(no) ((no)%8)
#define DA9052_GPIO_EVEN_PORT_FUNCTIONALITY 0x03
#define DA9052_GPIO_ODD_PORT_FUNCTIONALITY 0x30
#define DA9052_GPIO_MASK_UPPER_NIBBLE 0xF0
#define DA9052_GPIO_MASK_LOWER_NIBBLE 0x0F
#define DA9052_GPIO_NIBBLE_SHIFT 4
#define DA9052_GPIO_EVEN_PORT_WRITE_MODE (1 << 3)
#define DA9052_GPIO_ODD_PORT_WRITE_MODE (1 << 7)
struct da9052_gpio_read_write {
u8 port_number:4;
u8 read_write_value:1;
} ;
struct da9052_gpio_multiple_read {
u8 signal_value[16];
};
struct da9052_gpi_config {
enum ip_type type;
enum ip_mode mode;
};
struct da9052_gpo_config {
enum op_type type;
enum op_mode mode;
} ;
union da9052_gpio_config {
struct da9052_gpi_config input;
struct da9052_gpo_config output;
};
struct da9052_gpio {
union da9052_gpio_config gpio_config;
enum ip_op_type gpio_function;
u8 port_number:4;
};
struct da9052_gpio_chip {
struct da9052_gpio gpio;
struct da9052_gpio_read_write read_write;
struct da9052 *da9052;
/* For testing*/
struct da9052_eh_nb eh_data;
struct gpio_chip gp;
};
#endif /* __LINUX_MFD_DA9052_GPIO_H */
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