4  * SPDX-License-Identifier: Apache-2.0
40 #define MAX_READ_LEN (UINT16_MAX - ADDR_SIZE - DUMMY_READ_SIZE)
41 #define MAX_WRITE_LEN (UINT16_MAX - ADDR_SIZE)
59 		LOG_ERR("SPI bus %s not ready", spi.bus->name);  in ft8xx_drv_init()
60 		return -ENODEV;  in ft8xx_drv_init()
64 	 * If not, use polling mode.  in ft8xx_drv_init()
67 		LOG_ERR("GPIO device %s is not ready", irq_gpio.port->name);  in ft8xx_drv_init()
68 		return -ENODEV;  in ft8xx_drv_init()
87 int ft8xx_drv_write(uint32_t address, const uint8_t *data, unsigned int length)  in ft8xx_drv_write()  argument
95 	struct spi_buf tx[] = {  in ft8xx_drv_write()  local
101 			/* Discard const, it is implicit for TX buffer */  in ft8xx_drv_write()
102 			.buf = (uint8_t *)data,  in ft8xx_drv_write()
108 		.buffers = tx,  in ft8xx_drv_write()
120 int ft8xx_drv_read(uint32_t address, uint8_t *data, unsigned int length)  in ft8xx_drv_read()  argument
129 	struct spi_buf tx = {  in ft8xx_drv_read()  local
135 		.buffers = &tx,  in ft8xx_drv_read()
145 			.buf = data,  in ft8xx_drv_read()
166 	/* Most commands include COMMAND_OP bit. ACTIVE power mode command is  in ft8xx_drv_command()
171 	struct spi_buf tx = {  in ft8xx_drv_command()  local
177 		.buffers = &tx,  in ft8xx_drv_command()