diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-21 14:37:00 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-21 14:37:00 -0700 |
commit | 70ada77920723fbc2b35e9b301022fb1e166b41b (patch) | |
tree | f30f24135eff89020d8ae21d6c7a83cf5c812585 /arch/blackfin/include | |
parent | b22793f7fdc38d73c4bb4299a313deef56dcfe66 (diff) | |
parent | 2764c500be0c1f057349ee6c81557239de060f87 (diff) |
Merge branch 'next-spi' of git://git.secretlab.ca/git/linux-2.6
* 'next-spi' of git://git.secretlab.ca/git/linux-2.6: (53 commits)
spi/omap2_mcspi: Verify TX reg is empty after TX only xfer with DMA
spi/omap2_mcspi: disable channel after TX_ONLY transfer in PIO mode
spi/bfin_spi: namespace local structs
spi/bfin_spi: init early
spi/bfin_spi: check per-transfer bits_per_word
spi/bfin_spi: warn when CS is driven by hardware (CPHA=0)
spi/bfin_spi: cs should be always low when a new transfer begins
spi/bfin_spi: fix typo in comment
spi/bfin_spi: reject unsupported SPI modes
spi/bfin_spi: use dma_disable_irq_nosync() in irq handler
spi/bfin_spi: combine duplicate SPI_CTL read/write logic
spi/bfin_spi: reset ctl_reg bits when setup is run again on a device
spi/bfin_spi: push all size checks into the transfer function
spi/bfin_spi: use nosync when disabling the IRQ from the IRQ handler
spi/bfin_spi: sync hardware state before reprogramming everything
spi/bfin_spi: save/restore state when suspending/resuming
spi/bfin_spi: redo GPIO CS handling
Blackfin: SPI: expand SPI bitmasks
spi/bfin_spi: use the SPI namespaced bit names
spi/bfin_spi: drop extra memory we don't need
...
Diffstat (limited to 'arch/blackfin/include')
-rw-r--r-- | arch/blackfin/include/asm/bfin5xx_spi.h | 81 |
1 files changed, 8 insertions, 73 deletions
diff --git a/arch/blackfin/include/asm/bfin5xx_spi.h b/arch/blackfin/include/asm/bfin5xx_spi.h index ed4f8c6db0cd..4223cf08ce83 100644 --- a/arch/blackfin/include/asm/bfin5xx_spi.h +++ b/arch/blackfin/include/asm/bfin5xx_spi.h @@ -11,26 +11,17 @@ #define MIN_SPI_BAUD_VAL 2 -#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_CPOL 0x0800 +#define BIT_CTL_CPHA 0x0400 +#define BIT_CTL_LSBF 0x0200 #define BIT_CTL_WORDSIZE 0x0100 -#define BIT_CTL_MISOENABLE 0x0020 +#define BIT_CTL_EMISO 0x0020 +#define BIT_CTL_PSSE 0x0010 +#define BIT_CTL_GM 0x0008 +#define BIT_CTL_SZ 0x0004 #define BIT_CTL_RXMOD 0x0000 #define BIT_CTL_TXMOD 0x0001 #define BIT_CTL_TIMOD_DMA_TX 0x0003 @@ -50,61 +41,7 @@ #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 +#define MAX_CTRL_CS 8 /* cs in spi controller */ /* device.platform_data for SSP controller devices */ struct bfin5xx_spi_master { @@ -120,9 +57,7 @@ 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 */ - u32 cs_gpio; /* Value to send if no TX value is supplied, usually 0x0 or 0xFFFF */ u16 idle_tx_val; u8 pio_interrupt; /* Enable spi data irq */ |