Rename the CamelCase. Convert the inline helper functions into macros.
Tidy up the driver code to use the new macros. For consistency, make
the ni_set_gpct_dma_channel() helper follow the same style as the
ni_set_ai_dma_channel() and ni_set_ao_dma_channel() helpers.
Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/staging/comedi/drivers/ni_mio_common.c | 22 +++++++++++-----------
drivers/staging/comedi/drivers/ni_stc.h | 17 ++++-------------
2 files changed, 15 insertions(+), 24 deletions(-)
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c
b/drivers/staging/comedi/drivers/ni_mio_common.c
index 7dfa382..cfb5f34 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -551,7 +551,7 @@ static inline void ni_set_bitfield(struct comedi_device
*dev, int reg,
devpriv->ai_ao_select_reg |= bit_values & bit_mask;
ni_writeb(dev, devpriv->ai_ao_select_reg, reg);
break;
- case G0_G1_Select:
+ case NI_E_DMA_G0_G1_SEL_REG:
devpriv->g0_g1_select_reg &= ~bit_mask;
devpriv->g0_g1_select_reg |= bit_values & bit_mask;
ni_writeb(dev, devpriv->g0_g1_select_reg, reg);
@@ -592,19 +592,19 @@ static inline void ni_set_ao_dma_channel(struct
comedi_device *dev, int channel)
NI_E_DMA_AO_SEL_MASK, NI_E_DMA_AO_SEL(bits));
}
-/* negative mite_channel means no channel */
+/* negative channel means no channel */
static inline void ni_set_gpct_dma_channel(struct comedi_device *dev,
unsigned gpct_index,
- int mite_channel)
+ int channel)
{
- unsigned bitfield;
+ unsigned bits = 0;
- if (mite_channel >= 0)
- bitfield = GPCT_DMA_Select_Bits(gpct_index, mite_channel);
- else
- bitfield = 0;
- ni_set_bitfield(dev, G0_G1_Select, GPCT_DMA_Select_Mask(gpct_index),
- bitfield);
+ if (channel >= 0)
+ bits = ni_stc_dma_channel_select_bitfield(channel);
+
+ ni_set_bitfield(dev, NI_E_DMA_G0_G1_SEL_REG,
+ NI_E_DMA_G0_G1_SEL_MASK(gpct_index),
+ NI_E_DMA_G0_G1_SEL(gpct_index, bits));
}
/* negative mite_channel means no channel */
@@ -5370,7 +5370,7 @@ static int ni_E_init(struct comedi_device *dev,
/* DMA setup */
ni_writeb(dev, devpriv->ai_ao_select_reg, NI_E_DMA_AI_AO_SEL_REG);
- ni_writeb(dev, devpriv->g0_g1_select_reg, G0_G1_Select);
+ ni_writeb(dev, devpriv->g0_g1_select_reg, NI_E_DMA_G0_G1_SEL_REG);
if (devpriv->is_6xxx) {
ni_writeb(dev, 0, Magic_611x);
diff --git a/drivers/staging/comedi/drivers/ni_stc.h
b/drivers/staging/comedi/drivers/ni_stc.h
index 2db29a1..e181d91 100644
--- a/drivers/staging/comedi/drivers/ni_stc.h
+++ b/drivers/staging/comedi/drivers/ni_stc.h
@@ -577,6 +577,10 @@
#define NI_E_DMA_AO_SEL(x) (((x) & 0xf) << 4)
#define NI_E_DMA_AO_SEL_MASK NI_E_DMA_AO_SEL(0xf)
+#define NI_E_DMA_G0_G1_SEL_REG 0x0b /* w8 */
+#define NI_E_DMA_G0_G1_SEL(_g, _c) (((_c) & 0xf) << ((_g) * 4))
+#define NI_E_DMA_G0_G1_SEL_MASK(_g) NI_E_DMA_G0_G1_SEL((_g), 0xf)
+
#define NI_E_SERIAL_CMD_REG 0x0d /* w8 */
#define NI_E_SERIAL_CMD_DAC_LD(x) BIT(3 + (x))
#define NI_E_SERIAL_CMD_EEPROM_CS BIT(2)
@@ -588,7 +592,6 @@
#define NI_E_MISC_CMD_EXT_ATRIG NI_E_MISC_CMD_INTEXT_ATRIG(0)
#define NI_E_MISC_CMD_INT_ATRIG NI_E_MISC_CMD_INTEXT_ATRIG(1)
-#define G0_G1_Select 0x0b
static inline unsigned ni_stc_dma_channel_select_bitfield(unsigned channel)
{
if (channel < 4)
@@ -601,18 +604,6 @@ static inline unsigned
ni_stc_dma_channel_select_bitfield(unsigned channel)
return 0;
}
-static inline unsigned GPCT_DMA_Select_Bits(unsigned gpct_index,
- unsigned mite_channel)
-{
- return ni_stc_dma_channel_select_bitfield(mite_channel) << (4 *
- gpct_index);
-}
-
-static inline unsigned GPCT_DMA_Select_Mask(unsigned gpct_index)
-{
- return 0xf << (4 * gpct_index);
-}
-
#define NI_E_AI_CFG_LO_REG 0x10 /* w16 */
#define NI_E_AI_CFG_LO_LAST_CHAN BIT(15)
#define NI_E_AI_CFG_LO_GEN_TRIG BIT(12)
--
2.3.0
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