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/* Copyright 2018 SiFive, Inc */
/* SPDX-License-Identifier: Apache-2.0 */
#include <metal/machine.h>
#include <metal/uart.h>
extern __inline__ void metal_uart_init(struct metal_uart *uart, int baud_rate);
extern __inline__ int metal_uart_putc(struct metal_uart *uart, int c);
extern __inline__ int metal_uart_txready(struct metal_uart *uart);
extern __inline__ int metal_uart_getc(struct metal_uart *uart, int *c);
extern __inline__ int metal_uart_get_baud_rate(struct metal_uart *uart);
extern __inline__ int metal_uart_set_baud_rate(struct metal_uart *uart,
int baud_rate);
extern __inline__ struct metal_interrupt *
metal_uart_interrupt_controller(struct metal_uart *uart);
extern __inline__ int metal_uart_get_interrupt_id(struct metal_uart *uart);
extern __inline__ int
metal_uart_transmit_interrupt_enable(struct metal_uart *uart);
extern __inline__ int
metal_uart_transmit_interrupt_disable(struct metal_uart *uart);
extern __inline__ int
metal_uart_receive_interrupt_enable(struct metal_uart *uart);
extern __inline__ int
metal_uart_receive_interrupt_disable(struct metal_uart *uart);
extern __inline__ int metal_uart_set_transmit_watermark(struct metal_uart *uart,
size_t level);
extern __inline__ size_t
metal_uart_get_transmit_watermark(struct metal_uart *uart);
extern __inline__ int metal_uart_set_receive_watermark(struct metal_uart *uart,
size_t level);
extern __inline__ size_t
metal_uart_get_receive_watermark(struct metal_uart *uart);
struct metal_uart *metal_uart_get_device(unsigned int device_num) {
#if __METAL_DT_MAX_UARTS > 0
if (device_num < __METAL_DT_MAX_UARTS) {
return (struct metal_uart *)__metal_uart_table[device_num];
}
#endif
return NULL;
}
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