diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/ni_mio_common.c')
-rw-r--r-- | drivers/staging/comedi/drivers/ni_mio_common.c | 63 |
1 files changed, 25 insertions, 38 deletions
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c index 4e02770e834b..5113397bfecf 100644 --- a/drivers/staging/comedi/drivers/ni_mio_common.c +++ b/drivers/staging/comedi/drivers/ni_mio_common.c @@ -1292,7 +1292,7 @@ static void ni_ao_fifo_load(struct comedi_device *dev, struct comedi_cmd *cmd = &async->cmd; int chan; int i; - short d; + unsigned short d; u32 packed_data; int range; int err = 1; @@ -1403,7 +1403,7 @@ static void ni_ai_fifo_read(struct comedi_device *dev, int i; if (board->reg_type == ni_reg_611x) { - short data[2]; + unsigned short data[2]; u32 dl; for (i = 0; i < n / 2; i++) { @@ -1420,7 +1420,7 @@ static void ni_ai_fifo_read(struct comedi_device *dev, cfc_write_to_buffer(s, data[0]); } } else if (board->reg_type == ni_reg_6143) { - short data[2]; + unsigned short data[2]; u32 dl; /* This just reads the FIFO assuming the data is present, no checks on the FIFO status are performed */ @@ -1511,9 +1511,9 @@ static void ni_handle_fifo_dregs(struct comedi_device *dev) const struct ni_board_struct *board = comedi_board(dev); struct ni_private *devpriv = dev->private; struct comedi_subdevice *s = &dev->subdevices[NI_AI_SUBDEV]; - short data[2]; + unsigned short data[2]; u32 dl; - short fifo_empty; + unsigned short fifo_empty; int i; if (board->reg_type == ni_reg_611x) { @@ -1577,7 +1577,7 @@ static void get_last_sample_611x(struct comedi_device *dev) const struct ni_board_struct *board = comedi_board(dev); struct ni_private *devpriv __maybe_unused = dev->private; struct comedi_subdevice *s = &dev->subdevices[NI_AI_SUBDEV]; - short data; + unsigned short data; u32 dl; if (board->reg_type != ni_reg_611x) @@ -1596,7 +1596,7 @@ static void get_last_sample_6143(struct comedi_device *dev) const struct ni_board_struct *board = comedi_board(dev); struct ni_private *devpriv __maybe_unused = dev->private; struct comedi_subdevice *s = &dev->subdevices[NI_AI_SUBDEV]; - short data; + unsigned short data; u32 dl; if (board->reg_type != ni_reg_6143) @@ -1621,7 +1621,7 @@ static void ni_ai_munge(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_async *async = s->async; unsigned int i; unsigned int length = num_bytes / bytes_per_sample(s); - short *array = data; + unsigned short *array = data; unsigned int *larray = data; for (i = 0; i < length; i++) { @@ -2873,7 +2873,7 @@ static void ni_ao_munge(struct comedi_device *dev, struct comedi_subdevice *s, unsigned int i; unsigned int offset; unsigned int length = num_bytes / sizeof(short); - short *array = data; + unsigned short *array = data; offset = 1 << (board->aobits - 1); for (i = 0; i < length; i++) { @@ -3547,28 +3547,22 @@ static int ni_dio_insn_config(struct comedi_device *dev, static int ni_dio_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) + struct comedi_insn *insn, + unsigned int *data) { struct ni_private *devpriv = dev->private; -#ifdef DEBUG_DIO - printk("ni_dio_insn_bits() mask=0x%x bits=0x%x\n", data[0], data[1]); -#endif - - if (data[0]) { - /* Perform check to make sure we're not using the - serial part of the dio */ - if ((data[0] & (DIO_SDIN | DIO_SDOUT)) - && devpriv->serial_interval_ns) - return -EBUSY; + /* Make sure we're not using the serial part of the dio */ + if ((data[0] & (DIO_SDIN | DIO_SDOUT)) && devpriv->serial_interval_ns) + return -EBUSY; - s->state &= ~data[0]; - s->state |= (data[0] & data[1]); + if (comedi_dio_update_state(s, data)) { devpriv->dio_output &= ~DIO_Parallel_Data_Mask; devpriv->dio_output |= DIO_Parallel_Data_Out(s->state); devpriv->stc_writew(dev, devpriv->dio_output, DIO_Output_Register); } + data[1] = devpriv->stc_readw(dev, DIO_Parallel_Input_Register); return insn->n; @@ -3598,16 +3592,9 @@ static int ni_m_series_dio_insn_bits(struct comedi_device *dev, { struct ni_private *devpriv __maybe_unused = dev->private; -#ifdef DEBUG_DIO - printk("ni_m_series_dio_insn_bits() mask=0x%x bits=0x%x\n", data[0], - data[1]); -#endif - - if (data[0]) { - s->state &= ~data[0]; - s->state |= (data[0] & data[1]); + if (comedi_dio_update_state(s, data)) ni_writel(s->state, M_Offset_Static_Digital_Output); - } + data[1] = ni_readl(M_Offset_Static_Digital_Input); return insn->n; @@ -5355,20 +5342,20 @@ static int ni_config_filter(struct comedi_device *dev, unsigned pfi_channel, static int ni_pfi_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) + struct comedi_insn *insn, + unsigned int *data) { const struct ni_board_struct *board = comedi_board(dev); struct ni_private *devpriv __maybe_unused = dev->private; - if ((board->reg_type & ni_reg_m_series_mask) == 0) { + if (!(board->reg_type & ni_reg_m_series_mask)) return -ENOTSUPP; - } - if (data[0]) { - s->state &= ~data[0]; - s->state |= (data[0] & data[1]); + + if (comedi_dio_update_state(s, data)) ni_writew(s->state, M_Offset_PFI_DO); - } + data[1] = ni_readw(M_Offset_PFI_DI); + return insn->n; } |