| /* Copyright (c) 2017, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * 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. |
| */ |
| |
| #ifndef _CAM_SENSOR_IO_H_ |
| #define _CAM_SENSOR_IO_H_ |
| |
| #include <media/cam_sensor.h> |
| |
| #include "cam_sensor_cmn_header.h" |
| |
| #define CCI_MASTER 1 |
| #define I2C_MASTER 2 |
| #define SPI_MASTER 3 |
| |
| /** |
| * @master_type: CCI master type |
| * @client: I2C client information structure |
| * @cci_client: CCI client information structure |
| * @spi_client: SPI client information structure |
| */ |
| struct camera_io_master { |
| int master_type; |
| struct i2c_client *client; |
| struct cam_sensor_cci_client *cci_client; |
| struct cam_sensor_spi_client *spi_client; |
| }; |
| |
| /** |
| * @io_master_info: I2C/SPI master information |
| * @addr: I2C address |
| * @data: I2C data |
| * @addr_type: I2C addr_type |
| * @data_type: I2C data type |
| * |
| * This API abstracts read functionality based on master type |
| */ |
| int32_t camera_io_dev_read(struct camera_io_master *io_master_info, |
| uint32_t addr, uint32_t *data, |
| enum camera_sensor_i2c_type addr_type, |
| enum camera_sensor_i2c_type data_type); |
| |
| /** |
| * @io_master_info: I2C/SPI master information |
| * @addr: I2C address |
| * @data: I2C data |
| * @data_type: I2C data type |
| * @num_bytes: number of bytes |
| * |
| * This API abstracts read functionality based on master type |
| */ |
| int32_t camera_io_dev_read_seq(struct camera_io_master *io_master_info, |
| uint32_t addr, uint8_t *data, |
| enum camera_sensor_i2c_type addr_type, |
| int32_t num_bytes); |
| |
| /** |
| * @io_master_info: I2C/SPI master information |
| * |
| * This API initializes the I2C/SPI master based on master type |
| */ |
| int32_t camera_io_init(struct camera_io_master *io_master_info); |
| |
| /** |
| * @io_master_info: I2C/SPI master information |
| * |
| * This API releases the I2C/SPI master based on master type |
| */ |
| int32_t camera_io_release(struct camera_io_master *io_master_info); |
| |
| /** |
| * @io_master_info: I2C/SPI master information |
| * @write_setting: write settings information |
| * |
| * This API abstracts write functionality based on master type |
| */ |
| int32_t camera_io_dev_write(struct camera_io_master *io_master_info, |
| struct cam_sensor_i2c_reg_setting *write_setting); |
| |
| /** |
| * @io_master_info: I2C/SPI master information |
| * @addr: I2C address |
| * @data: I2C data |
| * @data_mask: I2C data mask |
| * @data_type: I2C data type |
| * @addr_type: I2C address type |
| * @delay_ms: delay in milli seconds |
| * |
| * This API abstracts poll functionality based on master type |
| */ |
| int32_t camera_io_dev_poll(struct camera_io_master *io_master_info, |
| uint32_t addr, uint16_t data, uint32_t data_mask, |
| enum camera_sensor_i2c_type data_type, |
| enum camera_sensor_i2c_type addr_type, |
| uint32_t delay_ms); |
| |
| #include "cam_sensor_i2c.h" |
| #include "cam_sensor_spi.h" |
| #endif /* _CAM_SENSOR_IO_H_ */ |