| /* Copyright 2018 SiFive, Inc */ |
| /* SPDX-License-Identifier: Apache-2.0 */ |
| |
| #include <metal/machine.h> |
| #include <metal/spi.h> |
| |
| extern __inline__ void metal_spi_init(struct metal_spi *spi, int baud_rate); |
| extern __inline__ int metal_spi_transfer(struct metal_spi *spi, struct metal_spi_config *config, size_t len, char *tx_buf, char *rx_buf); |
| extern __inline__ int metal_spi_get_baud_rate(struct metal_spi *spi); |
| extern __inline__ int metal_spi_set_baud_rate(struct metal_spi *spi, int baud_rate); |
| |
| struct metal_spi *metal_spi_get_device(unsigned int device_num) |
| { |
| #if __METAL_DT_MAX_SPIS > 0 |
| if (device_num < __METAL_DT_MAX_SPIS) { |
| return (struct metal_spi *) __metal_spi_table[device_num]; |
| } |
| #endif |
| |
| return NULL; |
| } |
