incubator-nuttx/drivers/ioexpander/icjx.h

127 lines
4.1 KiB
C

/****************************************************************************
* drivers/ioexpander/icjx.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __DRIVERS_IOEXPANDER_ICJX_H
#define __DRIVERS_IOEXPANDER_ICJX_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/mutex.h>
#if defined(CONFIG_IOEXPANDER) && defined(CONFIG_IOEXPANDER_ICJX)
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
/* Prerequisites:
* CONFIG_SPI
* SPI support is required
* CONFIG_IOEXPANDER
* Enables I/O expander support
*
* CONFIG_IOEXPANDER_ICJX
* Enables support for the ICJX driver (Needs CONFIG_INPUT)
* CONFIG_ICJX_MULTIPLE
* Can be defined to support multiple ICJX devices on board.
*/
#ifndef CONFIG_SPI
# error "CONFIG_SPI is required by ICJX"
#endif
/* iC-JX Registers **********************************************************/
#define ICJX_INPUT_A 0x00
#define ICJX_INPUT_B 0x01
#define ICJX_CHNG_MSG_A 0x02
#define ICJX_CNNG_MSG_B 0x03
#define ICJX_INT_STATUS_A 0x04
#define ICJX_INT_STATUS_B 0x05
#define ICJX_OVERCURR_MSG_A 0x06
#define ICJX_OVERCURR_MSG_B 0x07
#define ICJX_OVERCURR_STATUS_A 0x08
#define ICJX_OVERCURR_STATUS_B 0x09
#define ICJX_ADC_DATA_1 0x0A
#define ICJX_ADC_DATA_2 0x0B
#define ICJX_OUTPUT_A 0x0C
#define ICJX_OUTPUT_B 0x0D
#define ICJX_FLASH_PULSE_A 0x0E
#define ICJX_FLASH_PULSE_B 0x0F
#define ICJX_CHNG_INT_EN_A 0x10
#define ICJX_CHNG_INT_EN_B 0x11
#define ICJX_OVERCURR_INT_EN_A 0x12
#define ICJX_OVERCURR_INT_EN_B 0x13
#define ICJX_CTRL_WORD_1_A 0x14
#define ICJX_CTRL_WORD_1_B 0x15
#define ICJX_CTRL_WORD_2_A 0x16
#define ICJX_CTRL_WORD_2_B 0x17
#define ICJX_CTRL_WORD_3_A 0x18
#define ICJX_CTRL_WORD_3_B 0x19
#define ICJX_CTRL_WORD_4 0x1A
#define ICJX_CTRL_WORD_5 0x1B
#define ICJX_CTRL_WORD_6 0x1C
#define ICJX_DEV_ID 0x1D
#define ICJX_TEST_1 0x1E
#define ICJX_TEST_2 0x1F
/* Control Word 1 */
#define ICJX_CTRL_WORD_1_BYP0 (1 << 3)
#define ICJX_CTRL_WORD_1_BYP1 (1 << 7)
/* Control Word 2 */
#define ICJX_CTRL_WORD_2_NIOL (1 << 3)
#define ICJX_CTRL_WORD_2_NIOH (1 << 7)
/* Control Word 4 */
#define ICJX_CTRL_WORD_4_EOI (1 << 7)
/* Interrupt Status Register A */
#define ICJX_ISR_A_SCS (1 << 0)
#define ICJX_ISR_A_ET1 (1 << 1)
#define ICJX_ISR_A_ET2 (1 << 2)
#define ICJX_ISR_A_ISCI (1 << 4)
#define ICJX_ISR_A_IET1 (1 << 5)
#define ICJX_ISR_A_IET2 (1 << 6)
#define ICJX_ISR_A_DCHI (1 << 7)
/* Interrupt Status Register B */
#define ICJX_ISR_B_USA (1 << 0)
#define ICJX_ISR_B_USD (1 << 1)
#define ICJX_ISR_B_EOC (1 << 2)
#define ICJX_ISR_B_IUSA (1 << 4)
#define ICJX_ISR_B_IUSD (1 << 5)
#define ICJX_ISR_B_ISD (1 << 6)
#define ICJX_ISR_B_IOEC (1 << 7)
#endif /* CONFIG_IOEXPANDER && CONFIG_IOEXPANDER_ICJX */
#endif /* __DRIVERS_IOEXPANDER_ICJX_H */