diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/amplc_pci224.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/amplc_pci224.c | 40 |
1 files changed, 18 insertions, 22 deletions
diff --git a/drivers/staging/comedi/drivers/amplc_pci224.c b/drivers/staging/comedi/drivers/amplc_pci224.c index 179de53a86f0..810e397d8fd7 100644 --- a/drivers/staging/comedi/drivers/amplc_pci224.c +++ b/drivers/staging/comedi/drivers/amplc_pci224.c @@ -215,12 +215,6 @@ Caveats: #define CLK_EXT 7 /* external clock */ /* Macro to construct clock input configuration register value. */ #define CLK_CONFIG(chan, src) ((((chan) & 3) << 3) | ((src) & 7)) -/* Timebases in ns. */ -#define TIMEBASE_10MHZ 100 -#define TIMEBASE_1MHZ 1000 -#define TIMEBASE_100KHZ 10000 -#define TIMEBASE_10KHZ 100000 -#define TIMEBASE_1KHZ 1000000 /* * Counter/timer gate input configuration sources. @@ -379,7 +373,7 @@ struct pci224_private { unsigned long state; spinlock_t ao_spinlock; unsigned int *ao_readback; - short *ao_scan_vals; + unsigned short *ao_scan_vals; unsigned char *ao_scan_order; int intr_cpuid; short intr_running; @@ -843,26 +837,26 @@ pci224_ao_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, switch (round_mode) { case TRIG_ROUND_NEAREST: default: - round = TIMEBASE_10MHZ / 2; + round = I8254_OSC_BASE_10MHZ / 2; break; case TRIG_ROUND_DOWN: round = 0; break; case TRIG_ROUND_UP: - round = TIMEBASE_10MHZ - 1; + round = I8254_OSC_BASE_10MHZ - 1; break; } /* Be careful to avoid overflow! */ - div2 = cmd->scan_begin_arg / TIMEBASE_10MHZ; - div2 += (round + cmd->scan_begin_arg % TIMEBASE_10MHZ) / - TIMEBASE_10MHZ; + div2 = cmd->scan_begin_arg / I8254_OSC_BASE_10MHZ; + div2 += (round + cmd->scan_begin_arg % I8254_OSC_BASE_10MHZ) / + I8254_OSC_BASE_10MHZ; if (div2 <= 0x10000) { /* A single timer will suffice. */ if (div2 < 2) div2 = 2; - cmd->scan_begin_arg = div2 * TIMEBASE_10MHZ; + cmd->scan_begin_arg = div2 * I8254_OSC_BASE_10MHZ; if (cmd->scan_begin_arg < div2 || - cmd->scan_begin_arg < TIMEBASE_10MHZ) { + cmd->scan_begin_arg < I8254_OSC_BASE_10MHZ) { /* Overflow! */ cmd->scan_begin_arg = MAX_SCAN_PERIOD; } @@ -870,7 +864,8 @@ pci224_ao_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, /* Use two timers. */ div1 = devpriv->cached_div1; div2 = devpriv->cached_div2; - pci224_cascade_ns_to_timer(TIMEBASE_10MHZ, &div1, &div2, + pci224_cascade_ns_to_timer(I8254_OSC_BASE_10MHZ, + &div1, &div2, &cmd->scan_begin_arg, round_mode); devpriv->cached_div1 = div1; @@ -1002,19 +997,19 @@ static int pci224_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s) switch (round_mode) { case TRIG_ROUND_NEAREST: default: - round = TIMEBASE_10MHZ / 2; + round = I8254_OSC_BASE_10MHZ / 2; break; case TRIG_ROUND_DOWN: round = 0; break; case TRIG_ROUND_UP: - round = TIMEBASE_10MHZ - 1; + round = I8254_OSC_BASE_10MHZ - 1; break; } /* Be careful to avoid overflow! */ - div2 = cmd->scan_begin_arg / TIMEBASE_10MHZ; - div2 += (round + cmd->scan_begin_arg % TIMEBASE_10MHZ) / - TIMEBASE_10MHZ; + div2 = cmd->scan_begin_arg / I8254_OSC_BASE_10MHZ; + div2 += (round + cmd->scan_begin_arg % I8254_OSC_BASE_10MHZ) / + I8254_OSC_BASE_10MHZ; if (div2 <= 0x10000) { /* A single timer will suffice. */ if (div2 < 2) @@ -1025,7 +1020,8 @@ static int pci224_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s) /* Use two timers. */ div1 = devpriv->cached_div1; div2 = devpriv->cached_div2; - pci224_cascade_ns_to_timer(TIMEBASE_10MHZ, &div1, &div2, + pci224_cascade_ns_to_timer(I8254_OSC_BASE_10MHZ, + &div1, &div2, &ns, round_mode); } @@ -1116,7 +1112,7 @@ pci224_ao_munge(struct comedi_device *dev, struct comedi_subdevice *s, const struct pci224_board *thisboard = comedi_board(dev); struct pci224_private *devpriv = dev->private; struct comedi_async *async = s->async; - short *array = data; + unsigned short *array = data; unsigned int length = num_bytes / sizeof(*array); unsigned int offset; unsigned int shift; |