From: H Hartley Sweeten Date: Thu, 4 Sep 2014 19:14:17 +0000 (-0700) Subject: staging: comedi: adl_pci9118: tidy up the ai control register bit defines X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=862be05ecf79157a3f9ae09a98b97e2066d2cc90;p=linux-beck.git staging: comedi: adl_pci9118: tidy up the ai control register bit defines Rename the CamelCase defines used for the analog input control register bits and convert them to bit shifts. Signed-off-by: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/comedi/drivers/adl_pci9118.c b/drivers/staging/comedi/drivers/adl_pci9118.c index ad7aee023ce1..4e083159e7cd 100644 --- a/drivers/staging/comedi/drivers/adl_pci9118.c +++ b/drivers/staging/comedi/drivers/adl_pci9118.c @@ -121,6 +121,14 @@ #define PCI9118_AI_STATUS_ADOR (1 << 1) /* 1=A/D overrun (fatal) */ #define PCI9118_AI_STATUS_ADRDY (1 << 0) /* 1=A/D ready */ #define PCI9118_AI_CTRL_REG 0x18 +#define PCI9118_AI_CTRL_UNIP (1 << 7) /* 1=unipolar */ +#define PCI9118_AI_CTRL_DIFF (1 << 6) /* 1=differential inputs */ +#define PCI9118_AI_CTRL_SOFTG (1 << 5) /* 1=8254 software gate */ +#define PCI9118_AI_CTRL_EXTG (1 << 4) /* 1=8254 TGIN(pin 46) gate */ +#define PCI9118_AI_CTRL_EXTM (1 << 3) /* 1=ext. trigger (pin 44) */ +#define PCI9118_AI_CTRL_TMRTR (1 << 2) /* 1=8254 is trigger source */ +#define PCI9118_AI_CTRL_INT (1 << 1) /* 1=enable interrupt */ +#define PCI9118_AI_CTRL_DMA (1 << 0) /* 1=enable DMA */ #define PCI9118_DI 0x1c /* R: digi input register */ #define PCI9118_DO 0x1c /* W: digi output register */ @@ -133,26 +141,6 @@ #define PCI9118_INTSRC 0x38 /* R: interrupt reason register */ #define PCI9118_INTCTRL 0x38 /* W: interrupt control register */ -/* bits from A/D control register (PCI9118_AI_CTRL_REG) */ -#define AdControl_UniP 0x80 /* 1=bipolar, 0=unipolar */ -#define AdControl_Diff 0x40 /* 1=differential, 0= single end inputs */ -#define AdControl_SoftG 0x20 /* 1=8254 counter works, 0=counter stops */ -#define AdControl_ExtG 0x10 /* - * 1=8254 countrol controlled by TGIN(pin 46), - * 0=controlled by SoftG - */ -#define AdControl_ExtM 0x08 /* - * 1=external hardware trigger (pin 44), - * 0=internal trigger - */ -#define AdControl_TmrTr 0x04 /* - * 1=8254 is iternal trigger source, - * 0=software trigger is source - * (register PCI9118_SOFTTRG) - */ -#define AdControl_Int 0x02 /* 1=enable INT, 0=disable */ -#define AdControl_Dma 0x01 /* 1=enable DMA, 0=disable */ - /* bits from A/D function register (PCI9118_ADFUNC) */ #define AdFunction_PDTrg 0x80 /* * 1=positive, @@ -418,21 +406,15 @@ static int setup_channel_list(struct comedi_device *dev, /* All is ok, so we can setup channel/range list */ - if (!bipolar) { - devpriv->AdControlReg |= AdControl_UniP; - /* set unibipolar */ - } else { - devpriv->AdControlReg &= ((~AdControl_UniP) & 0xff); - /* enable bipolar */ - } + if (!bipolar) + devpriv->AdControlReg |= PCI9118_AI_CTRL_UNIP; + else + devpriv->AdControlReg &= ~PCI9118_AI_CTRL_UNIP; - if (differencial) { - devpriv->AdControlReg |= AdControl_Diff; - /* enable diff inputs */ - } else { - devpriv->AdControlReg &= ((~AdControl_Diff) & 0xff); - /* set single ended inputs */ - } + if (differencial) + devpriv->AdControlReg |= PCI9118_AI_CTRL_DIFF; + else + devpriv->AdControlReg &= ~PCI9118_AI_CTRL_DIFF; outl(devpriv->AdControlReg, dev->iobase + PCI9118_AI_CTRL_REG); /* setup mode */ @@ -513,7 +495,7 @@ static int pci9118_insn_read_ai(struct comedi_device *dev, int ret; int n; - devpriv->AdControlReg = AdControl_Int & 0xff; + devpriv->AdControlReg = PCI9118_AI_CTRL_INT; devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg; outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC); /* @@ -1055,7 +1037,7 @@ static int pci9118_ai_inttrig(struct comedi_device *dev, outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC); if (devpriv->ai_do != 3) { pci9118_start_pacer(dev, devpriv->ai_do); - devpriv->AdControlReg |= AdControl_SoftG; + devpriv->AdControlReg |= PCI9118_AI_CTRL_SOFTG; } outl(devpriv->AdControlReg, dev->iobase + PCI9118_AI_CTRL_REG); @@ -1373,13 +1355,13 @@ static int pci9118_ai_docmd_sampl(struct comedi_device *dev, switch (devpriv->ai_do) { case 1: - devpriv->AdControlReg |= AdControl_TmrTr; + devpriv->AdControlReg |= PCI9118_AI_CTRL_TMRTR; break; case 2: dev_err(dev->class_dev, "%s mode 2 bug!\n", __func__); return -EIO; case 3: - devpriv->AdControlReg |= AdControl_ExtM; + devpriv->AdControlReg |= PCI9118_AI_CTRL_EXTM; break; case 4: dev_err(dev->class_dev, "%s mode 4 bug!\n", __func__); @@ -1396,7 +1378,7 @@ static int pci9118_ai_docmd_sampl(struct comedi_device *dev, if ((devpriv->ai_do == 1) || (devpriv->ai_do == 2)) devpriv->IntControlReg |= Int_Timer; - devpriv->AdControlReg |= AdControl_Int; + devpriv->AdControlReg |= PCI9118_AI_CTRL_INT; outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | 0x1f00, devpriv->iobase_a + AMCC_OP_REG_INTCSR); @@ -1407,7 +1389,7 @@ static int pci9118_ai_docmd_sampl(struct comedi_device *dev, outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC); if (devpriv->ai_do != 3) { pci9118_start_pacer(dev, devpriv->ai_do); - devpriv->AdControlReg |= AdControl_SoftG; + devpriv->AdControlReg |= PCI9118_AI_CTRL_SOFTG; } outl(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL); } @@ -1425,12 +1407,12 @@ static int pci9118_ai_docmd_dma(struct comedi_device *dev, switch (devpriv->ai_do) { case 1: - devpriv->AdControlReg |= - ((AdControl_TmrTr | AdControl_Dma) & 0xff); + devpriv->AdControlReg |= PCI9118_AI_CTRL_TMRTR | + PCI9118_AI_CTRL_DMA; break; case 2: - devpriv->AdControlReg |= - ((AdControl_TmrTr | AdControl_Dma) & 0xff); + devpriv->AdControlReg |= PCI9118_AI_CTRL_TMRTR | + PCI9118_AI_CTRL_DMA; devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg | AdFunction_BM | AdFunction_BS; @@ -1439,13 +1421,13 @@ static int pci9118_ai_docmd_dma(struct comedi_device *dev, outl(devpriv->ai_n_realscanlen, dev->iobase + PCI9118_BURST); break; case 3: - devpriv->AdControlReg |= - ((AdControl_ExtM | AdControl_Dma) & 0xff); + devpriv->AdControlReg |= PCI9118_AI_CTRL_EXTM | + PCI9118_AI_CTRL_DMA; devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg; break; case 4: - devpriv->AdControlReg |= - ((AdControl_TmrTr | AdControl_Dma) & 0xff); + devpriv->AdControlReg |= PCI9118_AI_CTRL_TMRTR | + PCI9118_AI_CTRL_DMA; devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg | AdFunction_AM; outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC); @@ -1471,7 +1453,7 @@ static int pci9118_ai_docmd_dma(struct comedi_device *dev, outl(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL); if (devpriv->ai_do != 3) { pci9118_start_pacer(dev, devpriv->ai_do); - devpriv->AdControlReg |= AdControl_SoftG; + devpriv->AdControlReg |= PCI9118_AI_CTRL_SOFTG; } outl(devpriv->AdControlReg, dev->iobase + PCI9118_AI_CTRL_REG); }