include/linux/serial_pnx8xxx.h

   1 /*
   2  * Embedded Alley Solutions, source@embeddedalley.com.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #ifndef _LINUX_SERIAL_PNX8XXX_H
  20 #define _LINUX_SERIAL_PNX8XXX_H
  21
  22 #include <linux/serial_core.h>
  23 #include <linux/device.h>
  24
  25 #define PNX8XXX_NR_PORTS        2
  26
  27 struct pnx8xxx_port {
  28         struct uart_port        port;
  29         struct timer_list       timer;
  30         unsigned int            old_status;
  31 };
  32
  33 /* register offsets */
  34 #define PNX8XXX_LCR             0
  35 #define PNX8XXX_MCR             0x004
  36 #define PNX8XXX_BAUD            0x008
  37 #define PNX8XXX_CFG             0x00c
  38 #define PNX8XXX_FIFO            0x028
  39 #define PNX8XXX_ISTAT           0xfe0
  40 #define PNX8XXX_IEN             0xfe4
  41 #define PNX8XXX_ICLR            0xfe8
  42 #define PNX8XXX_ISET            0xfec
  43 #define PNX8XXX_PD              0xff4
  44 #define PNX8XXX_MID             0xffc
  45
  46 #define PNX8XXX_UART_LCR_TXBREAK        (1<<30)
  47 #define PNX8XXX_UART_LCR_PAREVN         0x10000000
  48 #define PNX8XXX_UART_LCR_PAREN          0x08000000
  49 #define PNX8XXX_UART_LCR_2STOPB         0x04000000
  50 #define PNX8XXX_UART_LCR_8BIT           0x01000000
  51 #define PNX8XXX_UART_LCR_TX_RST         0x00040000
  52 #define PNX8XXX_UART_LCR_RX_RST         0x00020000
  53 #define PNX8XXX_UART_LCR_RX_NEXT        0x00010000
  54
  55 #define PNX8XXX_UART_MCR_SCR            0xFF000000
  56 #define PNX8XXX_UART_MCR_DCD            0x00800000
  57 #define PNX8XXX_UART_MCR_CTS            0x00100000
  58 #define PNX8XXX_UART_MCR_LOOP           0x00000010
  59 #define PNX8XXX_UART_MCR_RTS            0x00000002
  60 #define PNX8XXX_UART_MCR_DTR            0x00000001
  61
  62 #define PNX8XXX_UART_INT_TX             0x00000080
  63 #define PNX8XXX_UART_INT_EMPTY          0x00000040
  64 #define PNX8XXX_UART_INT_RCVTO          0x00000020
  65 #define PNX8XXX_UART_INT_RX             0x00000010
  66 #define PNX8XXX_UART_INT_RXOVRN         0x00000008
  67 #define PNX8XXX_UART_INT_FRERR          0x00000004
  68 #define PNX8XXX_UART_INT_BREAK          0x00000002
  69 #define PNX8XXX_UART_INT_PARITY         0x00000001
  70 #define PNX8XXX_UART_INT_ALLRX          0x0000003F
  71 #define PNX8XXX_UART_INT_ALLTX          0x000000C0
  72
  73 #define PNX8XXX_UART_FIFO_TXFIFO        0x001F0000
  74 #define PNX8XXX_UART_FIFO_TXFIFO_STA    (0x1f<<16)
  75 #define PNX8XXX_UART_FIFO_RXBRK         0x00008000
  76 #define PNX8XXX_UART_FIFO_RXFE          0x00004000
  77 #define PNX8XXX_UART_FIFO_RXPAR         0x00002000
  78 #define PNX8XXX_UART_FIFO_RXFIFO        0x00001F00
  79 #define PNX8XXX_UART_FIFO_RBRTHR        0x000000FF
  80
  81 #endif