drivers/tty/serial/mrst_max3110.h

   1 #ifndef _MRST_MAX3110_H
   2 #define _MRST_MAX3110_H
   3
   4 #define MAX3110_HIGH_CLK        0x1     /* 3.6864 MHZ */
   5 #define MAX3110_LOW_CLK         0x0     /* 1.8432 MHZ */
   6
   7 /* status bits for all 4 MAX3110 operate modes */
   8 #define MAX3110_READ_DATA_AVAILABLE     (1 << 15)
   9 #define MAX3110_WRITE_BUF_EMPTY         (1 << 14)
  10 #define MAX3110_BREAK                   (1 << 10)
  11
  12 #define WC_TAG                  (3 << 14)
  13 #define RC_TAG                  (1 << 14)
  14 #define WD_TAG                  (2 << 14)
  15 #define RD_TAG                  (0 << 14)
  16
  17 /* bits def for write configuration */
  18 #define WC_FIFO_ENABLE_MASK     (1 << 13)
  19 #define WC_FIFO_ENABLE          (0 << 13)
  20
  21 #define WC_SW_SHDI              (1 << 12)
  22
  23 #define WC_IRQ_MASK             (0xF << 8)
  24 #define WC_TXE_IRQ_ENABLE       (1 << 11)       /* TX empty irq */
  25 #define WC_RXA_IRQ_ENABLE       (1 << 10)       /* RX available irq */
  26 #define WC_PAR_HIGH_IRQ_ENABLE  (1 << 9)
  27 #define WC_REC_ACT_IRQ_ENABLE   (1 << 8)
  28
  29 #define WC_IRDA_ENABLE          (1 << 7)
  30
  31 #define WC_STOPBITS_MASK        (1 << 6)
  32 #define WC_2_STOPBITS           (1 << 6)
  33 #define WC_1_STOPBITS           (0 << 6)
  34
  35 #define WC_PARITY_ENABLE_MASK   (1 << 5)
  36 #define WC_PARITY_ENABLE        (1 << 5)
  37
  38 #define WC_WORDLEN_MASK         (1 << 4)
  39 #define WC_7BIT_WORD            (1 << 4)
  40 #define WC_8BIT_WORD            (0 << 4)
  41
  42 #define WC_BAUD_DIV_MASK        (0xF)
  43 #define WC_BAUD_DR1             (0x0)
  44 #define WC_BAUD_DR2             (0x1)
  45 #define WC_BAUD_DR4             (0x2)
  46 #define WC_BAUD_DR8             (0x3)
  47 #define WC_BAUD_DR16            (0x4)
  48 #define WC_BAUD_DR32            (0x5)
  49 #define WC_BAUD_DR64            (0x6)
  50 #define WC_BAUD_DR128           (0x7)
  51 #define WC_BAUD_DR3             (0x8)
  52 #define WC_BAUD_DR6             (0x9)
  53 #define WC_BAUD_DR12            (0xA)
  54 #define WC_BAUD_DR24            (0xB)
  55 #define WC_BAUD_DR48            (0xC)
  56 #define WC_BAUD_DR96            (0xD)
  57 #define WC_BAUD_DR192           (0xE)
  58 #define WC_BAUD_DR384           (0xF)
  59
  60 #define M3110_RX_FIFO_DEPTH     8
  61 #endif