|  | /************************************************************ | 
|  | * | 
|  | * Copyright (C) 2004, Analog Devices. All Rights Reserved | 
|  | * | 
|  | * FILE bfin5xx_spi.h | 
|  | * PROGRAMMER(S): Luke Yang (Analog Devices Inc.) | 
|  | * | 
|  | * | 
|  | * DATE OF CREATION: March. 10th 2006 | 
|  | * | 
|  | * SYNOPSIS: | 
|  | * | 
|  | * DESCRIPTION: header file for SPI controller driver for Blackfin5xx. | 
|  | ************************************************************** | 
|  |  | 
|  | * MODIFICATION HISTORY: | 
|  | * March 10, 2006  bfin5xx_spi.h Created. (Luke Yang) | 
|  |  | 
|  | ************************************************************/ | 
|  |  | 
|  | #ifndef _SPI_CHANNEL_H_ | 
|  | #define _SPI_CHANNEL_H_ | 
|  |  | 
|  | #define SPI0_REGBASE       0xffc00500 | 
|  |  | 
|  | #define SPI_READ              0 | 
|  | #define SPI_WRITE             1 | 
|  |  | 
|  | #define SPI_CTRL_OFF            0x0 | 
|  | #define SPI_FLAG_OFF            0x4 | 
|  | #define SPI_STAT_OFF            0x8 | 
|  | #define SPI_TXBUFF_OFF          0xc | 
|  | #define SPI_RXBUFF_OFF          0x10 | 
|  | #define SPI_BAUD_OFF            0x14 | 
|  | #define SPI_SHAW_OFF            0x18 | 
|  |  | 
|  | #define CMD_SPI_OUT_ENABLE    1 | 
|  | #define CMD_SPI_SET_BAUDRATE  2 | 
|  | #define CMD_SPI_SET_POLAR     3 | 
|  | #define CMD_SPI_SET_PHASE     4 | 
|  | #define CMD_SPI_SET_MASTER    5 | 
|  | #define CMD_SPI_SET_SENDOPT   6 | 
|  | #define CMD_SPI_SET_RECVOPT   7 | 
|  | #define CMD_SPI_SET_ORDER     8 | 
|  | #define CMD_SPI_SET_LENGTH16  9 | 
|  | #define CMD_SPI_GET_STAT      11 | 
|  | #define CMD_SPI_GET_CFG       12 | 
|  | #define CMD_SPI_SET_CSAVAIL   13 | 
|  | #define CMD_SPI_SET_CSHIGH    14	/* CS unavail */ | 
|  | #define CMD_SPI_SET_CSLOW     15	/* CS avail */ | 
|  | #define CMD_SPI_MISO_ENABLE   16 | 
|  | #define CMD_SPI_SET_CSENABLE  17 | 
|  | #define CMD_SPI_SET_CSDISABLE 18 | 
|  |  | 
|  | #define CMD_SPI_SET_TRIGGER_MODE  19 | 
|  | #define CMD_SPI_SET_TRIGGER_SENSE 20 | 
|  | #define CMD_SPI_SET_TRIGGER_EDGE  21 | 
|  | #define CMD_SPI_SET_TRIGGER_LEVEL 22 | 
|  |  | 
|  | #define CMD_SPI_SET_TIME_SPS 	  23 | 
|  | #define CMD_SPI_SET_TIME_SAMPLES  24 | 
|  | #define CMD_SPI_GET_SYSTEMCLOCK   25 | 
|  |  | 
|  | #define CMD_SPI_SET_WRITECONTINUOUS     26 | 
|  | #define CMD_SPI_SET_SKFS    		27 | 
|  |  | 
|  | #define CMD_SPI_GET_ALLCONFIG 32	/* For debug */ | 
|  |  | 
|  | #define SPI_DEFAULT_BARD    0x0100 | 
|  |  | 
|  | #define SPI0_IRQ_NUM        IRQ_SPI | 
|  | #define SPI_ERR_TRIG	   -1 | 
|  |  | 
|  | #define BIT_CTL_ENABLE      0x4000 | 
|  | #define BIT_CTL_OPENDRAIN   0x2000 | 
|  | #define BIT_CTL_MASTER      0x1000 | 
|  | #define BIT_CTL_POLAR       0x0800 | 
|  | #define BIT_CTL_PHASE       0x0400 | 
|  | #define BIT_CTL_BITORDER    0x0200 | 
|  | #define BIT_CTL_WORDSIZE    0x0100 | 
|  | #define BIT_CTL_MISOENABLE  0x0020 | 
|  | #define BIT_CTL_RXMOD       0x0000 | 
|  | #define BIT_CTL_TXMOD       0x0001 | 
|  | #define BIT_CTL_TIMOD_DMA_TX 0x0003 | 
|  | #define BIT_CTL_TIMOD_DMA_RX 0x0002 | 
|  | #define BIT_CTL_SENDOPT     0x0004 | 
|  | #define BIT_CTL_TIMOD       0x0003 | 
|  |  | 
|  | #define BIT_STAT_SPIF       0x0001 | 
|  | #define BIT_STAT_MODF       0x0002 | 
|  | #define BIT_STAT_TXE        0x0004 | 
|  | #define BIT_STAT_TXS        0x0008 | 
|  | #define BIT_STAT_RBSY       0x0010 | 
|  | #define BIT_STAT_RXS        0x0020 | 
|  | #define BIT_STAT_TXCOL      0x0040 | 
|  | #define BIT_STAT_CLR        0xFFFF | 
|  |  | 
|  | #define BIT_STU_SENDOVER    0x0001 | 
|  | #define BIT_STU_RECVFULL    0x0020 | 
|  |  | 
|  | #define CFG_SPI_ENABLE      1 | 
|  | #define CFG_SPI_DISABLE     0 | 
|  |  | 
|  | #define CFG_SPI_OUTENABLE   1 | 
|  | #define CFG_SPI_OUTDISABLE  0 | 
|  |  | 
|  | #define CFG_SPI_ACTLOW      1 | 
|  | #define CFG_SPI_ACTHIGH     0 | 
|  |  | 
|  | #define CFG_SPI_PHASESTART  1 | 
|  | #define CFG_SPI_PHASEMID    0 | 
|  |  | 
|  | #define CFG_SPI_MASTER      1 | 
|  | #define CFG_SPI_SLAVE       0 | 
|  |  | 
|  | #define CFG_SPI_SENELAST    0 | 
|  | #define CFG_SPI_SENDZERO    1 | 
|  |  | 
|  | #define CFG_SPI_RCVFLUSH    1 | 
|  | #define CFG_SPI_RCVDISCARD  0 | 
|  |  | 
|  | #define CFG_SPI_LSBFIRST    1 | 
|  | #define CFG_SPI_MSBFIRST    0 | 
|  |  | 
|  | #define CFG_SPI_WORDSIZE16  1 | 
|  | #define CFG_SPI_WORDSIZE8   0 | 
|  |  | 
|  | #define CFG_SPI_MISOENABLE   1 | 
|  | #define CFG_SPI_MISODISABLE  0 | 
|  |  | 
|  | #define CFG_SPI_READ      0x00 | 
|  | #define CFG_SPI_WRITE     0x01 | 
|  | #define CFG_SPI_DMAREAD   0x02 | 
|  | #define CFG_SPI_DMAWRITE  0x03 | 
|  |  | 
|  | #define CFG_SPI_CSCLEARALL  0 | 
|  | #define CFG_SPI_CHIPSEL1    1 | 
|  | #define CFG_SPI_CHIPSEL2    2 | 
|  | #define CFG_SPI_CHIPSEL3    3 | 
|  | #define CFG_SPI_CHIPSEL4    4 | 
|  | #define CFG_SPI_CHIPSEL5    5 | 
|  | #define CFG_SPI_CHIPSEL6    6 | 
|  | #define CFG_SPI_CHIPSEL7    7 | 
|  |  | 
|  | #define CFG_SPI_CS1VALUE    1 | 
|  | #define CFG_SPI_CS2VALUE    2 | 
|  | #define CFG_SPI_CS3VALUE    3 | 
|  | #define CFG_SPI_CS4VALUE    4 | 
|  | #define CFG_SPI_CS5VALUE    5 | 
|  | #define CFG_SPI_CS6VALUE    6 | 
|  | #define CFG_SPI_CS7VALUE    7 | 
|  |  | 
|  | /* device.platform_data for SSP controller devices */ | 
|  | struct bfin5xx_spi_master { | 
|  | u16 num_chipselect; | 
|  | u8 enable_dma; | 
|  | }; | 
|  |  | 
|  | /* spi_board_info.controller_data for SPI slave devices, | 
|  | * copied to spi_device.platform_data ... mostly for dma tuning | 
|  | */ | 
|  | struct bfin5xx_spi_chip { | 
|  | u16 ctl_reg; | 
|  | u8 enable_dma; | 
|  | u8 bits_per_word; | 
|  | u8 cs_change_per_word; | 
|  | u8 cs_chg_udelay; | 
|  | }; | 
|  |  | 
|  | #endif /* _SPI_CHANNEL_H_ */ |