staging: comedi: adl_pci9118: tidy up the ai config register bit defines
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Thu, 4 Sep 2014 19:14:24 +0000 (12:14 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 8 Sep 2014 20:55:54 +0000 (13:55 -0700)
Rename the CamelCase defines used for the analog input config register
bits and convert them to bit shifts.

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>
drivers/staging/comedi/drivers/adl_pci9118.c

index 308a7937c1e664177a3da77b2158c5557648a754..dfac7975a53e86e7a6de77ea926586364fef71b7 100644 (file)
 #define PCI9118_AI_BURST_NUM_REG       0x28
 #define PCI9118_AI_AUTOSCAN_MODE_REG   0x2c
 #define PCI9118_AI_CFG_REG             0x30
+#define PCI9118_AI_CFG_PDTRG           (1 << 7)  /* 1=positive trigger */
+#define PCI9118_AI_CFG_PETRG           (1 << 6)  /* 1=positive ext. trigger */
+#define PCI9118_AI_CFG_BSSH            (1 << 5)  /* 1=with sample & hold */
+#define PCI9118_AI_CFG_BM              (1 << 4)  /* 1=burst mode */
+#define PCI9118_AI_CFG_BS              (1 << 3)  /* 1=burst mode start */
+#define PCI9118_AI_CFG_PM              (1 << 2)  /* 1=post trigger */
+#define PCI9118_AI_CFG_AM              (1 << 1)  /* 1=about trigger */
+#define PCI9118_AI_CFG_START           (1 << 0)  /* 1=trigger start */
 
 #define PCI9118_DELFIFO        0x34    /* W:   A/D data FIFO reset */
 #define PCI9118_INTSRC 0x38    /* R:   interrupt reason register */
 #define PCI9118_INTCTRL        0x38    /* W:   interrupt control register */
 
-/* bits from A/D function register (PCI9118_AI_CFG_REG) */
-#define AdFunction_PDTrg       0x80    /*
-                                        * 1=positive,
-                                        * 0=negative digital trigger
-                                        * (only positive is correct)
-                                        */
-#define AdFunction_PETrg       0x40    /*
-                                        * 1=positive,
-                                        * 0=negative external trigger
-                                        * (only positive is correct)
-                                        */
-#define AdFunction_BSSH                0x20    /* 1=with sample&hold, 0=without */
-#define AdFunction_BM          0x10    /* 1=burst mode, 0=normal mode */
-#define AdFunction_BS          0x08    /*
-                                        * 1=burst mode start,
-                                        * 0=burst mode stop
-                                        */
-#define AdFunction_PM          0x04    /*
-                                        * 1=post trigger mode,
-                                        * 0=not post trigger
-                                        */
-#define AdFunction_AM          0x02    /*
-                                        * 1=about trigger mode,
-                                        * 0=not about trigger
-                                        */
-#define AdFunction_Start       0x01    /* 1=trigger start, 0=trigger stop */
-
 /* bits for interrupt reason and control (PCI9118_INTSRC, PCI9118_INTCTRL) */
 /* 1=interrupt occur, enable source,  0=interrupt not occur, disable source */
 #define Int_Timer      0x08    /* timer interrupt */
@@ -503,7 +484,7 @@ static int pci9118_insn_read_ai(struct comedi_device *dev,
        int n;
 
        devpriv->AdControlReg = PCI9118_AI_CTRL_INT;
-       devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg;
+       devpriv->AdFunctionReg = PCI9118_AI_CFG_PDTRG | PCI9118_AI_CFG_PETRG;
        outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_AI_CFG_REG);
                                                /*
                                                 * positive triggers, no S&H,
@@ -607,13 +588,13 @@ static void interrupt_pci9118_ai_mode4_switch(struct comedi_device *dev)
 {
        struct pci9118_private *devpriv = dev->private;
 
-       devpriv->AdFunctionReg =
-           AdFunction_PDTrg | AdFunction_PETrg | AdFunction_AM;
+       devpriv->AdFunctionReg = PCI9118_AI_CFG_PDTRG | PCI9118_AI_CFG_PETRG |
+                                PCI9118_AI_CFG_AM;
        outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_AI_CFG_REG);
        pci9118_timer_set_mode(dev, 0, I8254_MODE0);
        pci9118_timer_write(dev, 0,
                            devpriv->dmabuf_hw[1 - devpriv->dma_actbuf] >> 1);
-       devpriv->AdFunctionReg |= AdFunction_Start;
+       devpriv->AdFunctionReg |= PCI9118_AI_CFG_START;
        outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_AI_CFG_REG);
 }
 
@@ -769,7 +750,7 @@ static int pci9118_ai_cancel(struct comedi_device *dev,
                        devpriv->iobase_a + AMCC_OP_REG_MCSR);  /* stop DMA */
        pci9118_exttrg_del(dev, EXTTRG_AI);
        pci9118_start_pacer(dev, 0);    /* stop 8254 counters */
-       devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg;
+       devpriv->AdFunctionReg = PCI9118_AI_CFG_PDTRG | PCI9118_AI_CFG_PETRG;
        outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_AI_CFG_REG);
                                        /*
                                         * positive triggers, no S&H, no burst,
@@ -1432,28 +1413,31 @@ static int pci9118_ai_docmd_dma(struct comedi_device *dev,
        case 2:
                devpriv->AdControlReg |= PCI9118_AI_CTRL_TMRTR |
                                         PCI9118_AI_CTRL_DMA;
-               devpriv->AdFunctionReg =
-                   AdFunction_PDTrg | AdFunction_PETrg | AdFunction_BM |
-                   AdFunction_BS;
+               devpriv->AdFunctionReg = PCI9118_AI_CFG_PDTRG |
+                                        PCI9118_AI_CFG_PETRG |
+                                        PCI9118_AI_CFG_BM |
+                                        PCI9118_AI_CFG_BS;
                if (cmd->convert_src == TRIG_NOW && !devpriv->softsshdelay)
-                       devpriv->AdFunctionReg |= AdFunction_BSSH;
+                       devpriv->AdFunctionReg |= PCI9118_AI_CFG_BSSH;
                outl(devpriv->ai_n_realscanlen,
                     dev->iobase + PCI9118_AI_BURST_NUM_REG);
                break;
        case 3:
                devpriv->AdControlReg |= PCI9118_AI_CTRL_EXTM |
                                         PCI9118_AI_CTRL_DMA;
-               devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg;
+               devpriv->AdFunctionReg = PCI9118_AI_CFG_PDTRG |
+                                        PCI9118_AI_CFG_PETRG;
                break;
        case 4:
                devpriv->AdControlReg |= PCI9118_AI_CTRL_TMRTR |
                                         PCI9118_AI_CTRL_DMA;
-               devpriv->AdFunctionReg =
-                   AdFunction_PDTrg | AdFunction_PETrg | AdFunction_AM;
+               devpriv->AdFunctionReg = PCI9118_AI_CFG_PDTRG |
+                                        PCI9118_AI_CFG_PETRG |
+                                        PCI9118_AI_CFG_AM;
                outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_AI_CFG_REG);
                pci9118_timer_set_mode(dev, 0, I8254_MODE0);
                pci9118_timer_write(dev, 0, devpriv->dmabuf_hw[0] >> 1);
-               devpriv->AdFunctionReg |= AdFunction_Start;
+               devpriv->AdFunctionReg |= PCI9118_AI_CFG_START;
                break;
        default:
                dev_err(dev->class_dev, "%s mode number bug!\n", __func__);
@@ -1651,7 +1635,7 @@ static int pci9118_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
                                         * disable DMA
                                         */
        outl(devpriv->AdControlReg, dev->iobase + PCI9118_AI_CTRL_REG);
-       devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg;
+       devpriv->AdFunctionReg = PCI9118_AI_CFG_PDTRG | PCI9118_AI_CFG_PETRG;
                                        /*
                                         * positive triggers, no S&H, no burst,
                                         * burst stop, no post trigger,
@@ -1700,7 +1684,7 @@ static int pci9118_reset(struct comedi_device *dev)
        /* reset scan queue */
        outl(1, dev->iobase + PCI9118_AI_AUTOSCAN_MODE_REG);
        outl(2, dev->iobase + PCI9118_AI_AUTOSCAN_MODE_REG);
-       devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg;
+       devpriv->AdFunctionReg = PCI9118_AI_CFG_PDTRG | PCI9118_AI_CFG_PETRG;
        outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_AI_CFG_REG);
                                                /*
                                                 * positive triggers, no S&H,