diff options
| author | Ian Abbott <abbotti@mev.co.uk> | 2016-05-20 16:49:09 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-06-18 06:59:52 +0300 |
| commit | a9c254a763e4641d41c4e4b7665d979180c8af27 (patch) | |
| tree | 6aad9b92a325c9c911227014e2b528c6a19a5f34 /drivers/staging/comedi | |
| parent | b5dcdceafa750e933abdf4a7a1be097ccab8fcc7 (diff) | |
| download | linux-a9c254a763e4641d41c4e4b7665d979180c8af27.tar.xz | |
staging: comedi: drivers: re-do PLX PCI 9080 BIGEND register values
Replace `enum bigend_bits` in "plx9080.h" with a bunch of macros
defining values for the BIGEND register. Use the prefix `PLX_BIGEND_`
for the macro names. Make use of the `BIT(x)` and `GENMASK(h,l)` macros
to define the values.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi')
| -rw-r--r-- | drivers/staging/comedi/drivers/cb_pcidas64.c | 2 | ||||
| -rw-r--r-- | drivers/staging/comedi/drivers/gsc_hpdi.c | 2 | ||||
| -rw-r--r-- | drivers/staging/comedi/drivers/plx9080.h | 33 |
3 files changed, 20 insertions, 17 deletions
diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c index f997c1f85c86..4a8e88aeb57f 100644 --- a/drivers/staging/comedi/drivers/cb_pcidas64.c +++ b/drivers/staging/comedi/drivers/cb_pcidas64.c @@ -1294,7 +1294,7 @@ static void init_plx9080(struct comedi_device *dev) readl(devpriv->plx9080_iobase + PLX_REG_CNTRL); #ifdef __BIG_ENDIAN - bits = BIGEND_DMA0 | BIGEND_DMA1; + bits = PLX_BIGEND_DMA0 | PLX_BIGEND_DMA1; #else bits = 0; #endif diff --git a/drivers/staging/comedi/drivers/gsc_hpdi.c b/drivers/staging/comedi/drivers/gsc_hpdi.c index e2831e135a8d..536bebeb5f53 100644 --- a/drivers/staging/comedi/drivers/gsc_hpdi.c +++ b/drivers/staging/comedi/drivers/gsc_hpdi.c @@ -547,7 +547,7 @@ static void gsc_hpdi_init_plx9080(struct comedi_device *dev) void __iomem *plx_iobase = devpriv->plx9080_mmio; #ifdef __BIG_ENDIAN - bits = BIGEND_DMA0 | BIGEND_DMA1; + bits = PLX_BIGEND_DMA0 | PLX_BIGEND_DMA1; #else bits = 0; #endif diff --git a/drivers/staging/comedi/drivers/plx9080.h b/drivers/staging/comedi/drivers/plx9080.h index 0bcdbad1ea53..84dd366c7b77 100644 --- a/drivers/staging/comedi/drivers/plx9080.h +++ b/drivers/staging/comedi/drivers/plx9080.h @@ -125,21 +125,24 @@ struct plx_dma_desc { /* Big/Little Endian Descriptor Register */ #define PLX_REG_BIGEND 0x000c -enum bigend_bits { - /* use big endian ordering for configuration register accesses */ - BIGEND_CONFIG = 0x1, - BIGEND_DIRECT_MASTER = 0x2, - BIGEND_DIRECT_SLAVE_LOCAL0 = 0x4, - BIGEND_ROM = 0x8, - /* - * use byte lane consisting of most significant bits instead of - * least significant - */ - BIGEND_BYTE_LANE = 0x10, - BIGEND_DIRECT_SLAVE_LOCAL1 = 0x20, - BIGEND_DMA1 = 0x40, - BIGEND_DMA0 = 0x80, -}; +/* Configuration Register Big Endian Mode */ +#define PLX_BIGEND_CONFIG BIT(0) +/* Direct Master Big Endian Mode */ +#define PLX_BIGEND_DM BIT(1) +/* Direct Slave Address Space 0 Big Endian Mode */ +#define PLX_BIGEND_DSAS0 BIT(2) +/* Direct Slave Expansion ROM Big Endian Mode */ +#define PLX_BIGEND_EROM BIT(3) +/* Big Endian Byte Lane Mode - use most significant byte lanes */ +#define PLX_BIGEND_BEBLM BIT(4) +/* Direct Slave Address Space 1 Big Endian Mode */ +#define PLX_BIGEND_DSAS1 BIT(5) +/* DMA Channel 1 Big Endian Mode */ +#define PLX_BIGEND_DMA1 BIT(6) +/* DMA Channel 0 Big Endian Mode */ +#define PLX_BIGEND_DMA0 BIT(7) +/* DMA Channel N Big Endian Mode (N <= 1) */ +#define PLX_BIGEND_DMA(n) ((n) ? PLX_BIGEND_DMA1 : PLX_BIGEND_DMA0) /* ** Note: The Expansion ROM stuff is only relevant to the PC environment. |