plat_ioexp.h

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/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * Licensed 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.
 */
 
#include "plat_i2c.h"
 
#ifndef PLAT_IOEXP_H
#define PLAT_IOEXP_H
 
/* pca6414a */
#define PCA6414A_INPUT_PORT_0 0x00
#define PCA6414A_INPUT_PORT_1 0x01
#define PCA6414A_OUTPUT_PORT_0 0x02
#define PCA6414A_OUTPUT_PORT_1 0x03
#define PCA6414A_CONFIG_0 0x06
#define PCA6414A_CONFIG_1 0x07
 
/* tca6424a */
#define TCA6424A_BUS I2C_BUS1
#define TCA6424A_ADDR (0x44 >> 1)
#define TCA6424A_AI_BIT BIT(7) // Auto-Increment bit
 
#define TCA6424A_INPUT_PORT_0 0x00
#define TCA6424A_INPUT_PORT_1 0x01
#define TCA6424A_INPUT_PORT_2 0x02
#define TCA6424A_OUTPUT_PORT_0 0x04
#define TCA6424A_OUTPUT_PORT_1 0x05
#define TCA6424A_OUTPUT_PORT_2 0x06
#define TCA6424A_CONFIG_0 0x0C
#define TCA6424A_CONFIG_1 0x0D
#define TCA6424A_CONFIG_2 0x0E
 
#define HAMSA_MFIO19_BIT 1
#define HAMSA_MFIO6_BIT 6
#define HAMSA_MFIO8_BIT 7
#define HAMSA_MFIO10_BIT 0
 
/* pca6554apw */
enum PCA9554APW_REG { INPUT_PORT = 0, OUTPUT_PORT = 1, POLARITY_INVERSION = 2, CONFIG = 3 };
#define PCA6414A_BUS I2C_BUS1
#define PCA6414A_ADDR (0x40 >> 1)
 
#define U200051_IO_I2C_BUS I2C_BUS1
#define U200052_IO_I2C_BUS I2C_BUS1
#define U200053_IO_I2C_BUS I2C_BUS1
#define U200070_IO_I2C_BUS I2C_BUS1
#define U200051_IO_ADDR (0x72 >> 1)
#define U200052_IO_ADDR 0x3A
#define U200053_IO_ADDR 0x3B
#define U200070_IO_ADDR 0x3C
 
#define U200052_IO_INIT_VAL 0xC0
#define U200053_IO_INIT_VAL 0x40
#define U200070_IO_INIT_VAL 0x07
 
/* tcal6408r */
#define TCAL6408R_BUS I2C_BUS1
#define TCAL6408R_ADDR (0x43 >> 1) /* 7-bit addr: 0x21 */
 
#define TCAL6408R_INPUT_PORT_0 0x00
#define TCAL6408R_OUTPUT_PORT_0 0x01
#define TCAL6408R_CONFIG_0 0x03
 
#define NUWA0_MFIO6_BIT 0
#define NUWA0_MFIO8_BIT 1
#define NUWA0_MFIO10_BIT 2
#define NUWA1_MFIO6_BIT 3
#define NUWA1_MFIO8_BIT 4
#define NUWA1_MFIO10_BIT 5
#define NC_NUWA0_MFIO19_BIT 6
#define NC_NUWA1_MFIO19_BIT 7
 
/* pca6414a */
bool pca6416a_i2c_read(uint8_t offset, uint8_t *data, uint8_t len);
bool pca6416a_i2c_write(uint8_t offset, uint8_t *data, uint8_t len);
/* tca6424a */
bool tca6424a_i2c_read(uint8_t offset, uint8_t *data, uint8_t len);
bool tca6424a_i2c_write(uint8_t offset, uint8_t *data, uint8_t len);
bool tca6424a_i2c_write_bit(uint8_t offset, uint8_t bit, uint8_t val);
void set_hamsa_mfio_6_8_10_input();
/* pca6554apw */
void set_pca6554apw_ioe_value(uint8_t ioe_bus, uint8_t ioe_addr, uint8_t ioe_reg, uint8_t value);
int get_pca6554apw_ioe_value(uint8_t ioe_bus, uint8_t ioe_addr, uint8_t ioe_reg, uint8_t *value);
void init_U200051_IO();
void init_U200052_IO();
void init_U200053_IO();
void init_U200070_IO();
/* tcal6408rr */
bool tcal6408r_i2c_read(uint8_t offset, uint8_t *data, uint8_t len);
bool tcal6408r_i2c_write(uint8_t offset, uint8_t *data, uint8_t len);
bool tcal6408r_i2c_write_bit(uint8_t offset, uint8_t bit, uint8_t val);
void set_nuwa0_mfio_6_8_10_input();
void set_nuwa1_mfio_6_8_10_input();
void set_hamsa_mfio_6_8_10_output();
void set_nuwa0_mfio_6_8_10_output();
void set_nuwa1_mfio_6_8_10_output();
bool tcal6408r_init(void);
/* other */
bool is_evb_ioe_accessible();
void ioexp_init(void);
 
#endif