linux/drivers/media/pci/mantis/mantis_uart.h
<<
>>
Prefs
   1/*
   2        Mantis PCI bridge driver
   3
   4        Copyright (C) Manu Abraham (abraham.manu@gmail.com)
   5
   6        This program is free software; you can redistribute it and/or modify
   7        it under the terms of the GNU General Public License as published by
   8        the Free Software Foundation; either version 2 of the License, or
   9        (at your option) any later version.
  10
  11        This program is distributed in the hope that it will be useful,
  12        but WITHOUT ANY WARRANTY; without even the implied warranty of
  13        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14        GNU General Public License for more details.
  15
  16        You should have received a copy of the GNU General Public License
  17        along with this program; if not, write to the Free Software
  18        Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19*/
  20
  21#ifndef __MANTIS_UART_H
  22#define __MANTIS_UART_H
  23
  24#define MANTIS_UART_CTL                 0xe0
  25#define MANTIS_UART_RXINT               (1 << 4)
  26#define MANTIS_UART_RXFLUSH             (1 << 2)
  27
  28#define MANTIS_UART_RXD                 0xe8
  29#define MANTIS_UART_BAUD                0xec
  30
  31#define MANTIS_UART_STAT                0xf0
  32#define MANTIS_UART_RXFIFO_DATA         (1 << 7)
  33#define MANTIS_UART_RXFIFO_EMPTY        (1 << 6)
  34#define MANTIS_UART_RXFIFO_FULL         (1 << 3)
  35#define MANTIS_UART_FRAME_ERR           (1 << 2)
  36#define MANTIS_UART_PARITY_ERR          (1 << 1)
  37#define MANTIS_UART_RXTHRESH_INT        (1 << 0)
  38
  39enum mantis_baud {
  40        MANTIS_BAUD_9600        = 0,
  41        MANTIS_BAUD_19200,
  42        MANTIS_BAUD_38400,
  43        MANTIS_BAUD_57600,
  44        MANTIS_BAUD_115200
  45};
  46
  47enum mantis_parity {
  48        MANTIS_PARITY_NONE      = 0,
  49        MANTIS_PARITY_EVEN,
  50        MANTIS_PARITY_ODD,
  51};
  52
  53struct mantis_pci;
  54
  55extern int mantis_uart_init(struct mantis_pci *mantis);
  56extern void mantis_uart_exit(struct mantis_pci *mantis);
  57
  58#endif /* __MANTIS_UART_H */
  59