diff options
Diffstat (limited to 'drivers/media/pci/mantis/mantis_uart.h')
| -rw-r--r-- | drivers/media/pci/mantis/mantis_uart.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/media/pci/mantis/mantis_uart.h b/drivers/media/pci/mantis/mantis_uart.h new file mode 100644 index 000000000..0cc04fc3e --- /dev/null +++ b/drivers/media/pci/mantis/mantis_uart.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + Mantis PCI bridge driver + + Copyright (C) Manu Abraham (abraham.manu@gmail.com) + +*/ + +#ifndef __MANTIS_UART_H +#define __MANTIS_UART_H + +#define MANTIS_UART_CTL 0xe0 +#define MANTIS_UART_RXINT (1 << 4) +#define MANTIS_UART_RXFLUSH (1 << 2) + +#define MANTIS_UART_RXD 0xe8 +#define MANTIS_UART_BAUD 0xec + +#define MANTIS_UART_STAT 0xf0 +#define MANTIS_UART_RXFIFO_DATA (1 << 7) +#define MANTIS_UART_RXFIFO_EMPTY (1 << 6) +#define MANTIS_UART_RXFIFO_FULL (1 << 3) +#define MANTIS_UART_FRAME_ERR (1 << 2) +#define MANTIS_UART_PARITY_ERR (1 << 1) +#define MANTIS_UART_RXTHRESH_INT (1 << 0) + +enum mantis_baud { + MANTIS_BAUD_9600 = 0, + MANTIS_BAUD_19200, + MANTIS_BAUD_38400, + MANTIS_BAUD_57600, + MANTIS_BAUD_115200 +}; + +enum mantis_parity { + MANTIS_PARITY_NONE = 0, + MANTIS_PARITY_EVEN, + MANTIS_PARITY_ODD, +}; + +struct mantis_pci; + +extern int mantis_uart_init(struct mantis_pci *mantis); +extern void mantis_uart_exit(struct mantis_pci *mantis); + +#endif /* __MANTIS_UART_H */ |