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staging: comedi: ni_stc.h: tidy up AI_Personal_Register and bits

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Rename the CamelCase. Use the BIT() macro to define the bits.

Tidy up ni_ai_reset() by using a local var to set the common bits and
programming the register in the common code path.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten
2015-05-01 14:59:30 -07:00
committed by Greg Kroah-Hartman
parent 04b6846731
commit c1b74035e1
2 changed files with 22 additions and 31 deletions
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25
drivers/staging/comedi/drivers/ni_mio_common.c
View File

@@ -370,7 +370,7 @@ static const struct mio_regmap m_series_stc_write_regmap[] = {
[NISTC_INTA2_ENA_REG] = { 0, 0 }, /* E-Series only */
[NISTC_INTB_ENA_REG] = { 0x196, 2 },
[NISTC_INTB2_ENA_REG] = { 0, 0 }, /* E-Series only */
[AI_Personal_Register] = { 0x19a, 2 },
[NISTC_AI_PERSONAL_REG] = { 0x19a, 2 },
[AO_Personal_Register] = { 0x19c, 2 },
[RTSI_Trig_A_Output_Register] = { 0x19e, 2 },
[RTSI_Trig_B_Output_Register] = { 0x1a0, 2 },
@@ -1608,6 +1608,7 @@ static int ni_ao_setup_MITE_dma(struct comedi_device *dev)
static int ni_ai_reset(struct comedi_device *dev, struct comedi_subdevice *s)
{
struct ni_private *devpriv = dev->private;
unsigned ai_personal;
unsigned ai_out_ctrl;
ni_release_ai_mite_channel(dev);
@@ -1631,35 +1632,25 @@ static int ni_ai_reset(struct comedi_device *dev, struct comedi_subdevice *s)
/* generate FIFO interrupts on non-empty */
ni_stc_writew(dev, (0 << 6) | 0x0000, AI_Mode_3_Register);
ai_personal = NISTC_AI_PERSONAL_SHIFTIN_PW |
NISTC_AI_PERSONAL_SOC_POLARITY |
NISTC_AI_PERSONAL_LOCALMUX_CLK_PW;
ai_out_ctrl = NISTC_AI_OUT_CTRL_SCAN_IN_PROG_SEL(3) |
NISTC_AI_OUT_CTRL_EXTMUX_CLK_SEL(0) |
NISTC_AI_OUT_CTRL_LOCALMUX_CLK_SEL(2) |
NISTC_AI_OUT_CTRL_SC_TC_SEL(3);
if (devpriv->is_611x) {
ni_stc_writew(dev,
AI_SHIFTIN_Pulse_Width |
AI_SOC_Polarity |
AI_LOCALMUX_CLK_Pulse_Width,
AI_Personal_Register);
ai_out_ctrl |= NISTC_AI_OUT_CTRL_CONVERT_HIGH;
} else if (devpriv->is_6143) {
ni_stc_writew(dev, AI_SHIFTIN_Pulse_Width |
AI_SOC_Polarity |
AI_LOCALMUX_CLK_Pulse_Width,
AI_Personal_Register);
ai_out_ctrl |= NISTC_AI_OUT_CTRL_CONVERT_LOW;
} else {
ni_stc_writew(dev,
AI_SHIFTIN_Pulse_Width |
AI_SOC_Polarity |
AI_CONVERT_Pulse_Width |
AI_LOCALMUX_CLK_Pulse_Width,
AI_Personal_Register);
ai_personal |= NISTC_AI_PERSONAL_CONVERT_PW;
if (devpriv->is_622x)
ai_out_ctrl |= NISTC_AI_OUT_CTRL_CONVERT_HIGH;
else
ai_out_ctrl |= NISTC_AI_OUT_CTRL_CONVERT_LOW;
}
ni_stc_writew(dev, ai_personal, NISTC_AI_PERSONAL_REG);
ni_stc_writew(dev, ai_out_ctrl, NISTC_AI_OUT_CTRL_REG);
/* the following registers should not be changed, because there
@@ -1667,7 +1658,7 @@ static int ni_ai_reset(struct comedi_device *dev, struct comedi_subdevice *s)
* any of these, add a backup register and other appropriate code:
* NISTC_AI_MODE1_REG
* AI_Mode_3_Register
* AI_Personal_Register
* NISTC_AI_PERSONAL_REG
* NISTC_AI_OUT_CTRL_REG
*/

28
drivers/staging/comedi/drivers/ni_stc.h
View File

@@ -419,6 +419,20 @@
#define NISTC_INTB_ENA_AO_START1 BIT(1)
#define NISTC_INTB_ENA_AO_BC_TC BIT(0)
#define NISTC_AI_PERSONAL_REG 77
#define NISTC_AI_PERSONAL_SHIFTIN_PW BIT(15)
#define NISTC_AI_PERSONAL_EOC_POLARITY BIT(14)
#define NISTC_AI_PERSONAL_SOC_POLARITY BIT(13)
#define NISTC_AI_PERSONAL_SHIFTIN_POL BIT(12)
#define NISTC_AI_PERSONAL_CONVERT_TIMEBASE BIT(11)
#define NISTC_AI_PERSONAL_CONVERT_PW BIT(10)
#define NISTC_AI_PERSONAL_CONVERT_ORIG_PULSE BIT(9)
#define NISTC_AI_PERSONAL_FIFO_FLAGS_POL BIT(8)
#define NISTC_AI_PERSONAL_OVERRUN_MODE BIT(7)
#define NISTC_AI_PERSONAL_EXTMUX_CLK_PW BIT(6)
#define NISTC_AI_PERSONAL_LOCALMUX_CLK_PW BIT(5)
#define NISTC_AI_PERSONAL_AIFREQ_POL BIT(4)
#define AI_Status_1_Register 2
#define Interrupt_A_St 0x8000
#define AI_FIFO_Full_St 0x4000
@@ -477,20 +491,6 @@ enum Joint_Status_2_Bits {
#define AO_BC_Save_Registers 18
#define AO_UC_Save_Registers 20
#define AI_Personal_Register 77
#define AI_SHIFTIN_Pulse_Width _bit15
#define AI_EOC_Polarity _bit14
#define AI_SOC_Polarity _bit13
#define AI_SHIFTIN_Polarity _bit12
#define AI_CONVERT_Pulse_Timebase _bit11
#define AI_CONVERT_Pulse_Width _bit10
#define AI_CONVERT_Original_Pulse _bit9
#define AI_FIFO_Flags_Polarity _bit8
#define AI_Overrun_Mode _bit7
#define AI_EXTMUX_CLK_Pulse_Width _bit6
#define AI_LOCALMUX_CLK_Pulse_Width _bit5
#define AI_AIFREQ_Polarity _bit4
#define AO_Personal_Register 78
enum AO_Personal_Bits {
AO_Interval_Buffer_Mode = 1 << 3,