arch/blackfin/include/asm/mach-common/bits/spi.h

   1 /*
   2  * SPI Masks
   3  */
   4
   5 #ifndef __BFIN_PERIPHERAL_SPI__
   6 #define __BFIN_PERIPHERAL_SPI__
   7
   8 /* SPI_CTL Masks */
   9 #define TIMOD                   0x0003  /* Transfer Initiate Mode */
  10 #define RDBR_CORE               0x0000  /* RDBR Read Initiates, IRQ When RDBR Full */
  11 #define TDBR_CORE               0x0001  /* TDBR Write Initiates, IRQ When TDBR Empty */
  12 #define RDBR_DMA                0x0002  /* DMA Read, DMA Until FIFO Empty */
  13 #define TDBR_DMA                0x0003  /* DMA Write, DMA Until FIFO Full */
  14 #define SZ                      0x0004  /* Send Zero (When TDBR Empty, Send Zero/Last*) */
  15 #define GM                      0x0008  /* Get More (When RDBR Full, Overwrite/Discard*) */
  16 #define PSSE                    0x0010  /* Slave-Select Input Enable */
  17 #define EMISO                   0x0020  /* Enable MISO As Output */
  18 #define SIZE                    0x0100  /* Size of Words (16/8* Bits) */
  19 #define LSBF                    0x0200  /* LSB First */
  20 #define CPHA                    0x0400  /* Clock Phase */
  21 #define CPOL                    0x0800  /* Clock Polarity */
  22 #define MSTR                    0x1000  /* Master/Slave* */
  23 #define WOM                     0x2000  /* Write Open Drain Master */
  24 #define SPE                     0x4000  /* SPI Enable */
  25
  26 /* SPI_FLG Masks */
  27 #define FLS1                    0x0002  /* Enables (=1) SPI_FLOUT1 as flag output for SPI Slave-select */
  28 #define FLS2                    0x0004  /* Enables (=1) SPI_FLOUT2 as flag output for SPI Slave-select */
  29 #define FLS3                    0x0008  /* Enables (=1) SPI_FLOUT3 as flag output for SPI Slave-select */
  30 #define FLS4                    0x0010  /* Enables (=1) SPI_FLOUT4 as flag output for SPI Slave-select */
  31 #define FLS5                    0x0020  /* Enables (=1) SPI_FLOUT5 as flag output for SPI Slave-select */
  32 #define FLS6                    0x0040  /* Enables (=1) SPI_FLOUT6 as flag output for SPI Slave-select */
  33 #define FLS7                    0x0080  /* Enables (=1) SPI_FLOUT7 as flag output for SPI Slave-select */
  34 #define FLG1                    0x0200  /* Activates (=0) SPI_FLOUT1 as flag output for SPI Slave-select */
  35 #define FLG2                    0x0400  /* Activates (=0) SPI_FLOUT2 as flag output for SPI Slave-select */
  36 #define FLG3                    0x0800  /* Activates (=0) SPI_FLOUT3 as flag output for SPI Slave-select */
  37 #define FLG4                    0x1000  /* Activates (=0) SPI_FLOUT4 as flag output for SPI Slave-select */
  38 #define FLG5                    0x2000  /* Activates (=0) SPI_FLOUT5 as flag output for SPI Slave-select */
  39 #define FLG6                    0x4000  /* Activates (=0) SPI_FLOUT6 as flag output for SPI Slave-select */
  40 #define FLG7                    0x8000  /* Activates (=0) SPI_FLOUT7 as flag output for SPI Slave-select */
  41
  42 /* SPI_FLG Bit Positions */
  43 #define FLS1_P                  0x0001  /* Enables (=1) SPI_FLOUT1 as flag output for SPI Slave-select */
  44 #define FLS2_P                  0x0002  /* Enables (=1) SPI_FLOUT2 as flag output for SPI Slave-select */
  45 #define FLS3_P                  0x0003  /* Enables (=1) SPI_FLOUT3 as flag output for SPI Slave-select */
  46 #define FLS4_P                  0x0004  /* Enables (=1) SPI_FLOUT4 as flag output for SPI Slave-select */
  47 #define FLS5_P                  0x0005  /* Enables (=1) SPI_FLOUT5 as flag output for SPI Slave-select */
  48 #define FLS6_P                  0x0006  /* Enables (=1) SPI_FLOUT6 as flag output for SPI Slave-select */
  49 #define FLS7_P                  0x0007  /* Enables (=1) SPI_FLOUT7 as flag output for SPI Slave-select */
  50 #define FLG1_P                  0x0009  /* Activates (=0) SPI_FLOUT1 as flag output for SPI Slave-select */
  51 #define FLG2_P                  0x000A  /* Activates (=0) SPI_FLOUT2 as flag output for SPI Slave-select */
  52 #define FLG3_P                  0x000B  /* Activates (=0) SPI_FLOUT3 as flag output for SPI Slave-select */
  53 #define FLG4_P                  0x000C  /* Activates (=0) SPI_FLOUT4 as flag output for SPI Slave-select */
  54 #define FLG5_P                  0x000D  /* Activates (=0) SPI_FLOUT5 as flag output for SPI Slave-select */
  55 #define FLG6_P                  0x000E  /* Activates (=0) SPI_FLOUT6 as flag output for SPI Slave-select */
  56 #define FLG7_P                  0x000F  /* Activates (=0) SPI_FLOUT7 as flag output for SPI Slave-select */
  57
  58 /* SPI_STAT Masks */
  59 #define SPIF                    0x0001  /* SPI Finished (Single-Word Transfer Complete) */
  60 #define MODF                    0x0002  /* Mode Fault Error (Another Device Tried To Become Master) */
  61 #define TXE                     0x0004  /* Transmission Error (Data Sent With No New Data In TDBR) */
  62 #define TXS                     0x0008  /* SPI_TDBR Data Buffer Status (Full/Empty*) */
  63 #define RBSY                    0x0010  /* Receive Error (Data Received With RDBR Full) */
  64 #define RXS                     0x0020  /* SPI_RDBR Data Buffer Status (Full/Empty*) */
  65 #define TXCOL                   0x0040  /* Transmit Collision Error (Corrupt Data May Have Been Sent) */
  66
  67 #endif