uart.h: move header out of calypso-directory

Everything defined is a pretty generic interface and can be used by
mediatek, too.

Signed-off-by: Wolfram Sang <wolfram@the-dreams.de>

1 files changed, 32 insertions, 0 deletions

diff --git a/src/target/firmware/include/uart.h b/src/target/firmware/include/uart.h
new file mode 100644
index 00000000..81d7a156
--- /dev/null
+++ b/src/target/firmware/include/uart.h
@@ -0,0 +1,32 @@
+#ifndef _UART_H
+#define _UART_H
+
+#include <stdint.h>
+
+enum uart_baudrate {
+	UART_38400,
+	UART_57600,
+	UART_115200,
+	UART_230400,
+	UART_460800,
+	UART_614400,
+	UART_921600,
+};
+
+void uart_init(uint8_t uart, uint8_t interrupts);
+void uart_putchar_wait(uint8_t uart, int c);
+int uart_putchar_nb(uint8_t uart, int c);
+int uart_getchar_nb(uint8_t uart, uint8_t *ch);
+int uart_tx_busy(uint8_t uart);
+int uart_baudrate(uint8_t uart, enum uart_baudrate bdrt);
+
+enum uart_irq {
+	UART_IRQ_TX_EMPTY,
+	UART_IRQ_RX_CHAR,
+};
+
+void uart_irq_enable(uint8_t uart, enum uart_irq irq, int on);
+
+void uart_poll(uint8_t uart);
+
+#endif /* _UART_H */