include/linux/serial_pnx8xxx.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Embedded Alley Solutions, source@embeddedalley.com.
   4  */
   5
   6 #ifndef _LINUX_SERIAL_PNX8XXX_H
   7 #define _LINUX_SERIAL_PNX8XXX_H
   8
   9 #include <linux/serial_core.h>
  10
  11 #define PNX8XXX_NR_PORTS        2
  12
  13 struct pnx8xxx_port {
  14         struct uart_port        port;
  15         struct timer_list       timer;
  16         unsigned int            old_status;
  17 };
  18
  19 /* register offsets */
  20 #define PNX8XXX_LCR             0
  21 #define PNX8XXX_MCR             0x004
  22 #define PNX8XXX_BAUD            0x008
  23 #define PNX8XXX_CFG             0x00c
  24 #define PNX8XXX_FIFO            0x028
  25 #define PNX8XXX_ISTAT           0xfe0
  26 #define PNX8XXX_IEN             0xfe4
  27 #define PNX8XXX_ICLR            0xfe8
  28 #define PNX8XXX_ISET            0xfec
  29 #define PNX8XXX_PD              0xff4
  30 #define PNX8XXX_MID             0xffc
  31
  32 #define PNX8XXX_UART_LCR_TXBREAK        (1<<30)
  33 #define PNX8XXX_UART_LCR_PAREVN         0x10000000
  34 #define PNX8XXX_UART_LCR_PAREN          0x08000000
  35 #define PNX8XXX_UART_LCR_2STOPB         0x04000000
  36 #define PNX8XXX_UART_LCR_8BIT           0x01000000
  37 #define PNX8XXX_UART_LCR_TX_RST         0x00040000
  38 #define PNX8XXX_UART_LCR_RX_RST         0x00020000
  39 #define PNX8XXX_UART_LCR_RX_NEXT        0x00010000
  40
  41 #define PNX8XXX_UART_MCR_SCR            0xFF000000
  42 #define PNX8XXX_UART_MCR_DCD            0x00800000
  43 #define PNX8XXX_UART_MCR_CTS            0x00100000
  44 #define PNX8XXX_UART_MCR_LOOP           0x00000010
  45 #define PNX8XXX_UART_MCR_RTS            0x00000002
  46 #define PNX8XXX_UART_MCR_DTR            0x00000001
  47
  48 #define PNX8XXX_UART_INT_TX             0x00000080
  49 #define PNX8XXX_UART_INT_EMPTY          0x00000040
  50 #define PNX8XXX_UART_INT_RCVTO          0x00000020
  51 #define PNX8XXX_UART_INT_RX             0x00000010
  52 #define PNX8XXX_UART_INT_RXOVRN         0x00000008
  53 #define PNX8XXX_UART_INT_FRERR          0x00000004
  54 #define PNX8XXX_UART_INT_BREAK          0x00000002
  55 #define PNX8XXX_UART_INT_PARITY         0x00000001
  56 #define PNX8XXX_UART_INT_ALLRX          0x0000003F
  57 #define PNX8XXX_UART_INT_ALLTX          0x000000C0
  58
  59 #define PNX8XXX_UART_FIFO_TXFIFO        0x001F0000
  60 #define PNX8XXX_UART_FIFO_TXFIFO_STA    (0x1f<<16)
  61 #define PNX8XXX_UART_FIFO_RXBRK         0x00008000
  62 #define PNX8XXX_UART_FIFO_RXFE          0x00004000
  63 #define PNX8XXX_UART_FIFO_RXPAR         0x00002000
  64 #define PNX8XXX_UART_FIFO_RXFIFO        0x00001F00
  65 #define PNX8XXX_UART_FIFO_RBRTHR        0x000000FF
  66
  67 #endif