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-rw-r--r--arch/blackfin/include/asm/bfin5xx_spi.h137
1 files changed, 137 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/bfin5xx_spi.h b/arch/blackfin/include/asm/bfin5xx_spi.h
new file mode 100644
index 0000000..9fa1915
--- /dev/null
+++ b/arch/blackfin/include/asm/bfin5xx_spi.h
@@ -0,0 +1,137 @@
+/************************************************************
+
+* Copyright (C) 2006-2008, 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 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 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
+
+#define CMD_SPI_SET_BAUDRATE 2
+#define CMD_SPI_GET_SYSTEMCLOCK 25
+#define CMD_SPI_SET_WRITECONTINUOUS 26
+
+/* device.platform_data for SSP controller devices */
+struct bfin5xx_spi_master {
+ u16 num_chipselect;
+ u8 enable_dma;
+ u16 pin_req[4];
+};
+
+/* 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;
+ u16 cs_chg_udelay; /* Some devices require 16-bit delays */
+};
+
+#endif /* _SPI_CHANNEL_H_ */
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