LXR linux/drivers/media/pci/mantis/mantis

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3        Mantis PCI bridge driver
   4
   5        Copyright (C) Manu Abraham (abraham.manu@gmail.com)
   6
   7*/
   8
   9#ifndef __MANTIS_UART_H
  10#define __MANTIS_UART_H
  11
  12#define MANTIS_UART_CTL                 0xe0
  13#define MANTIS_UART_RXINT               (1 << 4)
  14#define MANTIS_UART_RXFLUSH             (1 << 2)
  15
  16#define MANTIS_UART_RXD                 0xe8
  17#define MANTIS_UART_BAUD                0xec
  18
  19#define MANTIS_UART_STAT                0xf0
  20#define MANTIS_UART_RXFIFO_DATA         (1 << 7)
  21#define MANTIS_UART_RXFIFO_EMPTY        (1 << 6)
  22#define MANTIS_UART_RXFIFO_FULL         (1 << 3)
  23#define MANTIS_UART_FRAME_ERR           (1 << 2)
  24#define MANTIS_UART_PARITY_ERR          (1 << 1)
  25#define MANTIS_UART_RXTHRESH_INT        (1 << 0)
  26
  27enum mantis_baud {
  28        MANTIS_BAUD_9600        = 0,
  29        MANTIS_BAUD_19200,
  30        MANTIS_BAUD_38400,
  31        MANTIS_BAUD_57600,
  32        MANTIS_BAUD_115200
  33};
  34
  35enum mantis_parity {
  36        MANTIS_PARITY_NONE      = 0,
  37        MANTIS_PARITY_EVEN,
  38        MANTIS_PARITY_ODD,
  39};
  40
  41struct mantis_pci;
  42
  43extern int mantis_uart_init(struct mantis_pci *mantis);
  44extern void mantis_uart_exit(struct mantis_pci *mantis);
  45
  46#endif /* __MANTIS_UART_H */
  47