diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/adl_pci9118.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/adl_pci9118.c | 46 |
1 files changed, 21 insertions, 25 deletions
diff --git a/drivers/staging/comedi/drivers/adl_pci9118.c b/drivers/staging/comedi/drivers/adl_pci9118.c index 22196ada0362..986489641ed7 100644 --- a/drivers/staging/comedi/drivers/adl_pci9118.c +++ b/drivers/staging/comedi/drivers/adl_pci9118.c @@ -352,12 +352,11 @@ struct pci9118_private { * on external start */ unsigned int ai_data_len; - short *ai_data; - short ao_data[2]; /* data output buffer */ + unsigned short ao_data[2]; /* data output buffer */ unsigned int ai_scans; /* number of scans to do */ char dma_doublebuf; /* we can use double buffering */ unsigned int dma_actbuf; /* which buffer is used now */ - short *dmabuf_virt[2]; /* + unsigned short *dmabuf_virt[2]; /* * pointers to begin of * DMA buffer */ @@ -671,13 +670,12 @@ static int pci9118_insn_bits_di(struct comedi_device *dev, static int pci9118_insn_bits_do(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) + struct comedi_insn *insn, + unsigned int *data) { - if (data[0]) { - s->state &= ~data[0]; - s->state |= (data[0] & data[1]); + if (comedi_dio_update_state(s, data)) outl(s->state & 0x0f, dev->iobase + PCI9118_DO); - } + data[1] = s->state; return insn->n; @@ -701,7 +699,7 @@ static void interrupt_pci9118_ai_mode4_switch(struct comedi_device *dev) static unsigned int defragment_dma_buffer(struct comedi_device *dev, struct comedi_subdevice *s, - short *dma_buffer, + unsigned short *dma_buffer, unsigned int num_samples) { struct pci9118_private *devpriv = dev->private; @@ -725,7 +723,7 @@ static unsigned int defragment_dma_buffer(struct comedi_device *dev, static int move_block_from_dma(struct comedi_device *dev, struct comedi_subdevice *s, - short *dma_buffer, + unsigned short *dma_buffer, unsigned int num_samples) { struct pci9118_private *devpriv = dev->private; @@ -793,7 +791,8 @@ static void pci9118_calc_divisors(char mode, struct comedi_device *dev, case 4: if (*tim2 < this_board->ai_ns_min) *tim2 = this_board->ai_ns_min; - i8253_cascade_ns_to_timer(devpriv->i8254_osc_base, div1, div2, + i8253_cascade_ns_to_timer(devpriv->i8254_osc_base, + div1, div2, tim2, flags & TRIG_ROUND_NEAREST); break; case 2: @@ -925,7 +924,7 @@ static void pci9118_ai_munge(struct comedi_device *dev, { struct pci9118_private *devpriv = dev->private; unsigned int i, num_samples = num_bytes / sizeof(short); - short *array = data; + unsigned short *array = data; for (i = 0; i < num_samples; i++) { if (devpriv->usedma) @@ -945,7 +944,7 @@ static void interrupt_pci9118_ai_onesample(struct comedi_device *dev, unsigned short int_daq) { struct pci9118_private *devpriv = dev->private; - register short sampl; + unsigned short sampl; s->async->events = 0; @@ -1278,9 +1277,9 @@ static int pci9118_ai_cmdtest(struct comedi_device *dev, if (cmd->scan_begin_src == TRIG_TIMER) { tmp = cmd->scan_begin_arg; - i8253_cascade_ns_to_timer(devpriv->i8254_osc_base, &divisor1, - &divisor2, &cmd->scan_begin_arg, - cmd->flags & TRIG_ROUND_MASK); + i8253_cascade_ns_to_timer(devpriv->i8254_osc_base, + &divisor1, &divisor2, + &cmd->scan_begin_arg, cmd->flags); if (cmd->scan_begin_arg < this_board->ai_ns_min) cmd->scan_begin_arg = this_board->ai_ns_min; if (tmp != cmd->scan_begin_arg) @@ -1289,9 +1288,9 @@ static int pci9118_ai_cmdtest(struct comedi_device *dev, if (cmd->convert_src & (TRIG_TIMER | TRIG_NOW)) { tmp = cmd->convert_arg; - i8253_cascade_ns_to_timer(devpriv->i8254_osc_base, &divisor1, - &divisor2, &cmd->convert_arg, - cmd->flags & TRIG_ROUND_MASK); + i8253_cascade_ns_to_timer(devpriv->i8254_osc_base, + &divisor1, &divisor2, + &cmd->convert_arg, cmd->flags); if (cmd->convert_arg < this_board->ai_ns_min) cmd->convert_arg = this_board->ai_ns_min; if (tmp != cmd->convert_arg) @@ -1613,7 +1612,6 @@ static int pci9118_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) devpriv->ai_n_chan = cmd->chanlist_len; devpriv->ai_n_scanlen = cmd->scan_end_arg; devpriv->ai_chanlist = cmd->chanlist; - devpriv->ai_data = s->async->prealloc_buf; devpriv->ai_data_len = s->async->prealloc_bufsz; devpriv->ai_timer1 = 0; devpriv->ai_timer2 = 0; @@ -1987,8 +1985,8 @@ static int pci9118_common_attach(struct comedi_device *dev, int disable_irq, for (i = 0; i < 2; i++) { for (pages = 4; pages >= 0; pages--) { devpriv->dmabuf_virt[i] = - (short *)__get_free_pages(GFP_KERNEL, - pages); + (unsigned short *) + __get_free_pages(GFP_KERNEL, pages); if (devpriv->dmabuf_virt[i]) break; } @@ -2075,7 +2073,6 @@ static int pci9118_common_attach(struct comedi_device *dev, int disable_irq, s->maxdata = 1; s->len_chanlist = 4; s->range_table = &range_digital; - s->io_bits = 0; /* all bits input */ s->insn_bits = pci9118_insn_bits_di; s = &dev->subdevices[3]; @@ -2085,11 +2082,10 @@ static int pci9118_common_attach(struct comedi_device *dev, int disable_irq, s->maxdata = 1; s->len_chanlist = 4; s->range_table = &range_digital; - s->io_bits = 0xf; /* all bits output */ s->insn_bits = pci9118_insn_bits_do; devpriv->valid = 1; - devpriv->i8254_osc_base = 250; /* 250ns=4MHz */ + devpriv->i8254_osc_base = I8254_OSC_BASE_4MHZ; devpriv->ai_maskharderr = 0x10a; /* default measure crash condition */ if (hw_err_mask) /* disable some requested */ |