drivers/media/pci/mantis/mantis_uart.h

   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
  39 enum 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
  47 enum mantis_parity {
  48         MANTIS_PARITY_NONE      = 0,
  49         MANTIS_PARITY_EVEN,
  50         MANTIS_PARITY_ODD,
  51 };
  52
  53 struct mantis_pci;
  54
  55 extern int mantis_uart_init(struct mantis_pci *mantis);
  56 extern void mantis_uart_exit(struct mantis_pci *mantis);
  57
  58 #endif /* __MANTIS_UART_H */