diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/comedi/drivers/s626.c | 22 | ||||
| -rw-r--r-- | drivers/staging/comedi/drivers/s626.h | 8 |
2 files changed, 15 insertions, 15 deletions
diff --git a/drivers/staging/comedi/drivers/s626.c b/drivers/staging/comedi/drivers/s626.c index 3fd5447..c2837da 100644 --- a/drivers/staging/comedi/drivers/s626.c +++ b/drivers/staging/comedi/drivers/s626.c @@ -708,7 +708,6 @@ static uint16_t s626_get_mode_a(struct comedi_device *dev, /* * Populate the standardized counter setup bit fields. - * Note: IndexSrc is restricted to ENC_X or IndxPol. */ setup = /* LoadSrc = LoadSrcA. */ @@ -717,8 +716,8 @@ static uint16_t s626_get_mode_a(struct comedi_device *dev, S626_SET_STD_LATCHSRC(S626_GET_CRB_LATCHSRC(crb)) | /* IntSrc = IntSrcA. */ S626_SET_STD_INTSRC(S626_GET_CRA_INTSRC_A(cra)) | - /* IndxSrc = IndxSrcA<1>. */ - S626_SET_STD_INDXSRC(S626_GET_CRA_INDXSRC_A(cra) >> 1) | + /* IndxSrc = IndxSrcA. */ + S626_SET_STD_INDXSRC(S626_GET_CRA_INDXSRC_A(cra)) | /* IndxPol = IndxPolA. */ S626_SET_STD_INDXPOL(S626_GET_CRA_INDXPOL_A(cra)) | /* ClkEnab = ClkEnabA. */ @@ -764,7 +763,6 @@ static uint16_t s626_get_mode_b(struct comedi_device *dev, /* * Populate the standardized counter setup bit fields. - * Note: IndexSrc is restricted to ENC_X or IndxPol. */ setup = /* IntSrc = IntSrcB. */ @@ -777,8 +775,8 @@ static uint16_t s626_get_mode_b(struct comedi_device *dev, S626_SET_STD_INDXPOL(S626_GET_CRB_INDXPOL_B(crb)) | /* ClkEnab = ClkEnabB. */ S626_SET_STD_CLKENAB(S626_GET_CRB_CLKENAB_B(crb)) | - /* IndxSrc = IndxSrcB<1>. */ - S626_SET_STD_INDXSRC(S626_GET_CRA_INDXSRC_B(cra) >> 1); + /* IndxSrc = IndxSrcB. */ + S626_SET_STD_INDXSRC(S626_GET_CRA_INDXSRC_B(cra)); /* Adjust mode-dependent parameters. */ cntsrc = S626_GET_CRA_CNTSRC_B(cra); @@ -829,8 +827,8 @@ static void s626_set_mode_a(struct comedi_device *dev, /* Initialize CRA and CRB images. */ /* Preload trigger is passed through. */ cra = S626_SET_CRA_LOADSRC_A(S626_GET_STD_LOADSRC(setup)); - /* IndexSrc is restricted to ENC_X or IndxPol. */ - cra |= S626_SET_CRA_INDXSRC_A(S626_GET_STD_INDXSRC(setup) << 1); + /* IndexSrc is passed through. */ + cra |= S626_SET_CRA_INDXSRC_A(S626_GET_STD_INDXSRC(setup)); /* Reset any pending CounterA event captures. */ crb = S626_SET_CRB_INTRESETCMD(1) | S626_SET_CRB_INTRESET_A(1); @@ -874,7 +872,7 @@ static void s626_set_mode_a(struct comedi_device *dev, * Force positive index polarity if IndxSrc is software-driven only, * otherwise pass it through. */ - if (S626_GET_STD_INDXSRC(setup) == S626_INDXSRC_HARD) + if (S626_GET_STD_INDXSRC(setup) != S626_INDXSRC_SOFT) cra |= S626_SET_CRA_INDXPOL_A(S626_GET_STD_INDXPOL(setup)); /* @@ -904,8 +902,8 @@ static void s626_set_mode_b(struct comedi_device *dev, unsigned cntsrc, clkmult, clkpol; /* Initialize CRA and CRB images. */ - /* IndexSrc field is restricted to ENC_X or IndxPol. */ - cra = S626_SET_CRA_INDXSRC_B(S626_GET_STD_INDXSRC(setup) << 1); + /* IndexSrc is passed through. */ + cra = S626_SET_CRA_INDXSRC_B(S626_GET_STD_INDXSRC(setup)); /* Reset event captures and disable interrupts. */ crb = S626_SET_CRB_INTRESETCMD(1) | S626_SET_CRB_INTRESET_B(1); @@ -958,7 +956,7 @@ static void s626_set_mode_b(struct comedi_device *dev, * Force positive index polarity if IndxSrc is software-driven only, * otherwise pass it through. */ - if (S626_GET_STD_INDXSRC(setup) == S626_INDXSRC_HARD) + if (S626_GET_STD_INDXSRC(setup) != S626_INDXSRC_SOFT) crb |= S626_SET_CRB_INDXPOL_B(S626_GET_STD_INDXPOL(setup)); /* diff --git a/drivers/staging/comedi/drivers/s626.h b/drivers/staging/comedi/drivers/s626.h index f6b68bf..8509537 100644 --- a/drivers/staging/comedi/drivers/s626.h +++ b/drivers/staging/comedi/drivers/s626.h @@ -462,8 +462,10 @@ #define S626_LATCHSRC_B_OVERA 3 /* Latch B on A Overflow. */ /* IndxSrc values: */ -#define S626_INDXSRC_HARD 0 /* Hardware or software index. */ -#define S626_INDXSRC_SOFT 1 /* Software index only. */ +#define S626_INDXSRC_ENCODER 0 /* Encoder. */ +#define S626_INDXSRC_DIGIN 1 /* Digital inputs. */ +#define S626_INDXSRC_SOFT 2 /* S/w controlled by IndxPol bit. */ +#define S626_INDXSRC_DISABLED 3 /* Index disabled. */ /* IndxPol values: */ #define S626_INDXPOL_POS 0 /* Index input is active high. */ @@ -730,7 +732,7 @@ #define S626_STDWID_INTSRC 2 #define S626_STDWID_LATCHSRC 2 #define S626_STDWID_LOADSRC 2 -#define S626_STDWID_INDXSRC 1 +#define S626_STDWID_INDXSRC 2 #define S626_STDWID_INDXPOL 1 #define S626_STDWID_ENCMODE 2 #define S626_STDWID_CLKPOL 1 |
