diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/pcl818.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/pcl818.c | 338 |
1 files changed, 178 insertions, 160 deletions
diff --git a/drivers/staging/comedi/drivers/pcl818.c b/drivers/staging/comedi/drivers/pcl818.c index 039a77a66451..e95229b13118 100644 --- a/drivers/staging/comedi/drivers/pcl818.c +++ b/drivers/staging/comedi/drivers/pcl818.c @@ -195,56 +195,58 @@ A word or two about DMA. Driver support DMA operations at two ways: #define MAGIC_DMA_WORD 0x5a5a static const struct comedi_lrange range_pcl818h_ai = { 9, { - BIP_RANGE(5), - BIP_RANGE(2.5), - BIP_RANGE(1.25), - BIP_RANGE(0.625), - UNI_RANGE(10), - UNI_RANGE(5), - UNI_RANGE(2.5), - UNI_RANGE(1.25), - BIP_RANGE(10), - } + BIP_RANGE(5), + BIP_RANGE(2.5), + BIP_RANGE(1.25), + BIP_RANGE(0.625), + UNI_RANGE(10), + UNI_RANGE(5), + UNI_RANGE(2.5), + UNI_RANGE(1.25), + BIP_RANGE(10), + } }; static const struct comedi_lrange range_pcl818hg_ai = { 10, { - BIP_RANGE(5), - BIP_RANGE(0.5), - BIP_RANGE(0.05), - BIP_RANGE(0.005), - UNI_RANGE(10), - UNI_RANGE(1), - UNI_RANGE(0.1), - UNI_RANGE(0.01), - BIP_RANGE(10), - BIP_RANGE(1), - BIP_RANGE(0.1), - BIP_RANGE(0.01), - } + BIP_RANGE(5), + BIP_RANGE(0.5), + BIP_RANGE(0.05), + BIP_RANGE(0.005), + UNI_RANGE(10), + UNI_RANGE(1), + UNI_RANGE(0.1), + UNI_RANGE(0.01), + BIP_RANGE(10), + BIP_RANGE(1), + BIP_RANGE(0.1), + BIP_RANGE(0.01), + } }; static const struct comedi_lrange range_pcl818l_l_ai = { 4, { - BIP_RANGE(5), - BIP_RANGE(2.5), - BIP_RANGE(1.25), - BIP_RANGE(0.625), - } + BIP_RANGE(5), + BIP_RANGE(2.5), + BIP_RANGE(1.25), + BIP_RANGE(0.625), + } }; static const struct comedi_lrange range_pcl818l_h_ai = { 4, { - BIP_RANGE(10), - BIP_RANGE(5), - BIP_RANGE(2.5), - BIP_RANGE(1.25), - } + BIP_RANGE(10), + BIP_RANGE(5), + BIP_RANGE(2.5), + BIP_RANGE(1.25), + } }; static const struct comedi_lrange range718_bipolar1 = { 1, {BIP_RANGE(1),} }; -static const struct comedi_lrange range718_bipolar0_5 = { 1, {BIP_RANGE(0.5),} }; +static const struct comedi_lrange range718_bipolar0_5 = + { 1, {BIP_RANGE(0.5),} }; static const struct comedi_lrange range718_unipolar2 = { 1, {UNI_RANGE(2),} }; static const struct comedi_lrange range718_unipolar1 = { 1, {BIP_RANGE(1),} }; -static int pcl818_attach(struct comedi_device *dev, struct comedi_devconfig *it); +static int pcl818_attach(struct comedi_device *dev, + struct comedi_devconfig *it); static int pcl818_detach(struct comedi_device *dev); #ifdef unused @@ -273,30 +275,29 @@ struct pcl818_board { int is_818; }; - static const struct pcl818_board boardtypes[] = { {"pcl818l", 4, 16, 8, 25000, 1, 16, 16, &range_pcl818l_l_ai, - &range_unipolar5, PCLx1x_RANGE, 0x00fc, - 0x0a, 0xfff, 0xfff, 0, 1}, + &range_unipolar5, PCLx1x_RANGE, 0x00fc, + 0x0a, 0xfff, 0xfff, 0, 1}, {"pcl818h", 9, 16, 8, 10000, 1, 16, 16, &range_pcl818h_ai, - &range_unipolar5, PCLx1x_RANGE, 0x00fc, - 0x0a, 0xfff, 0xfff, 0, 1}, + &range_unipolar5, PCLx1x_RANGE, 0x00fc, + 0x0a, 0xfff, 0xfff, 0, 1}, {"pcl818hd", 9, 16, 8, 10000, 1, 16, 16, &range_pcl818h_ai, - &range_unipolar5, PCLx1x_RANGE, 0x00fc, - 0x0a, 0xfff, 0xfff, 1, 1}, + &range_unipolar5, PCLx1x_RANGE, 0x00fc, + 0x0a, 0xfff, 0xfff, 1, 1}, {"pcl818hg", 12, 16, 8, 10000, 1, 16, 16, &range_pcl818hg_ai, - &range_unipolar5, PCLx1x_RANGE, 0x00fc, - 0x0a, 0xfff, 0xfff, 1, 1}, + &range_unipolar5, PCLx1x_RANGE, 0x00fc, + 0x0a, 0xfff, 0xfff, 1, 1}, {"pcl818", 9, 16, 8, 10000, 2, 16, 16, &range_pcl818h_ai, - &range_unipolar5, PCLx1x_RANGE, 0x00fc, - 0x0a, 0xfff, 0xfff, 0, 1}, + &range_unipolar5, PCLx1x_RANGE, 0x00fc, + 0x0a, 0xfff, 0xfff, 0, 1}, {"pcl718", 1, 16, 8, 16000, 2, 16, 16, &range_unipolar5, - &range_unipolar5, PCLx1x_RANGE, 0x00fc, - 0x0a, 0xfff, 0xfff, 0, 0}, + &range_unipolar5, PCLx1x_RANGE, 0x00fc, + 0x0a, 0xfff, 0xfff, 0, 0}, /* pcm3718 */ {"pcm3718", 9, 16, 8, 10000, 0, 16, 16, &range_pcl818h_ai, - &range_unipolar5, PCLx1x_RANGE, 0x00fc, - 0x0a, 0xfff, 0xfff, 0, 1 /* XXX ? */ }, + &range_unipolar5, PCLx1x_RANGE, 0x00fc, + 0x0a, 0xfff, 0xfff, 0, 1 /* XXX ? */ }, }; #define n_boardtypes (sizeof(boardtypes)/sizeof(struct pcl818_board)) @@ -353,7 +354,7 @@ struct pcl818_private { unsigned int *ai_chanlist; /* actaul chanlist */ unsigned int ai_flags; /* flaglist */ unsigned int ai_data_len; /* len of data buffer */ - short *ai_data; /* data buffer */ + short *ai_data; /* data buffer */ unsigned int ai_timer1; /* timers */ unsigned int ai_timer2; struct comedi_subdevice *sub_ai; /* ptr to AI subdevice */ @@ -361,7 +362,6 @@ struct pcl818_private { unsigned int ao_readback[2]; }; - static const unsigned int muxonechan[] = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, /* used for gain list programming */ 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff }; @@ -372,14 +372,18 @@ static const unsigned int muxonechan[] = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0 /* ============================================================================== */ -static void setup_channel_list(struct comedi_device *dev, struct comedi_subdevice *s, - unsigned int *chanlist, unsigned int n_chan, unsigned int seglen); -static int check_channel_list(struct comedi_device *dev, struct comedi_subdevice *s, - unsigned int *chanlist, unsigned int n_chan); - -static int pcl818_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s); -static void start_pacer(struct comedi_device *dev, int mode, unsigned int divisor1, - unsigned int divisor2); +static void setup_channel_list(struct comedi_device *dev, + struct comedi_subdevice *s, + unsigned int *chanlist, unsigned int n_chan, + unsigned int seglen); +static int check_channel_list(struct comedi_device *dev, + struct comedi_subdevice *s, + unsigned int *chanlist, unsigned int n_chan); + +static int pcl818_ai_cancel(struct comedi_device *dev, + struct comedi_subdevice *s); +static void start_pacer(struct comedi_device *dev, int mode, + unsigned int divisor1, unsigned int divisor2); #ifdef unused static int set_rtc_irq_bit(unsigned char bit); @@ -391,8 +395,9 @@ static int rtc_setfreq_irq(int freq); ============================================================================== ANALOG INPUT MODE0, 818 cards, slow version */ -static int pcl818_ai_insn_read(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) +static int pcl818_ai_insn_read(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data) { int n; int timeout; @@ -425,9 +430,9 @@ static int pcl818_ai_insn_read(struct comedi_device *dev, struct comedi_subdevic outb(0, dev->iobase + PCL818_CLRINT); return -EIO; - conv_finish: +conv_finish: data[n] = ((inb(dev->iobase + PCL818_AD_HI) << 4) | - (inb(dev->iobase + PCL818_AD_LO) >> 4)); + (inb(dev->iobase + PCL818_AD_LO) >> 4)); } return n; @@ -438,8 +443,9 @@ static int pcl818_ai_insn_read(struct comedi_device *dev, struct comedi_subdevic ANALOG OUTPUT MODE0, 818 cards only one sample per call is supported */ -static int pcl818_ao_insn_read(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) +static int pcl818_ao_insn_read(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data) { int n; int chan = CR_CHAN(insn->chanspec); @@ -451,8 +457,9 @@ static int pcl818_ao_insn_read(struct comedi_device *dev, struct comedi_subdevic return n; } -static int pcl818_ao_insn_write(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) +static int pcl818_ao_insn_write(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data) { int n; int chan = CR_CHAN(insn->chanspec); @@ -460,9 +467,9 @@ static int pcl818_ao_insn_write(struct comedi_device *dev, struct comedi_subdevi for (n = 0; n < insn->n; n++) { devpriv->ao_readback[chan] = data[n]; outb((data[n] & 0x000f) << 4, dev->iobase + - (chan ? PCL718_DA2_LO : PCL818_DA_LO)); + (chan ? PCL718_DA2_LO : PCL818_DA_LO)); outb((data[n] & 0x0ff0) >> 4, dev->iobase + - (chan ? PCL718_DA2_HI : PCL818_DA_HI)); + (chan ? PCL718_DA2_HI : PCL818_DA_HI)); } return n; @@ -474,14 +481,15 @@ static int pcl818_ao_insn_write(struct comedi_device *dev, struct comedi_subdevi only one sample per call is supported */ -static int pcl818_di_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) +static int pcl818_di_insn_bits(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data) { if (insn->n != 2) return -EINVAL; data[1] = inb(dev->iobase + PCL818_DI_LO) | - (inb(dev->iobase + PCL818_DI_HI) << 8); + (inb(dev->iobase + PCL818_DI_HI) << 8); return 2; } @@ -492,8 +500,9 @@ static int pcl818_di_insn_bits(struct comedi_device *dev, struct comedi_subdevic only one sample per call is supported */ -static int pcl818_do_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) +static int pcl818_do_insn_bits(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data) { if (insn->n != 2) return -EINVAL; @@ -533,16 +542,16 @@ static irqreturn_t interrupt_pcl818_ai_mode13_int(int irq, void *d) comedi_event(dev, s); return IRQ_HANDLED; - conv_finish: +conv_finish: low = inb(dev->iobase + PCL818_AD_LO); comedi_buf_put(s->async, ((inb(dev->iobase + PCL818_AD_HI) << 4) | (low >> 4))); /* get one sample */ outb(0, dev->iobase + PCL818_CLRINT); /* clear INT request */ if ((low & 0xf) != devpriv->act_chanlist[devpriv->act_chanlist_pos]) { /* dropout! */ printk - ("comedi: A/D mode1/3 IRQ - channel dropout %x!=%x !\n", - (low & 0xf), - devpriv->act_chanlist[devpriv->act_chanlist_pos]); + ("comedi: A/D mode1/3 IRQ - channel dropout %x!=%x !\n", + (low & 0xf), + devpriv->act_chanlist[devpriv->act_chanlist_pos]); pcl818_ai_cancel(dev, s); s->async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR; comedi_event(dev, s); @@ -581,10 +590,11 @@ static irqreturn_t interrupt_pcl818_ai_mode13_dma(int irq, void *d) set_dma_mode(devpriv->dma, DMA_MODE_READ); flags = claim_dma_lock(); set_dma_addr(devpriv->dma, - devpriv->hwdmaptr[devpriv->next_dma_buf]); + devpriv->hwdmaptr[devpriv->next_dma_buf]); if (devpriv->dma_runs_to_end || devpriv->neverending_ai) { set_dma_count(devpriv->dma, - devpriv->hwdmasize[devpriv->next_dma_buf]); + devpriv->hwdmasize[devpriv-> + next_dma_buf]); } else { set_dma_count(devpriv->dma, devpriv->last_dma_run); } @@ -595,7 +605,7 @@ static irqreturn_t interrupt_pcl818_ai_mode13_dma(int irq, void *d) devpriv->dma_runs_to_end--; outb(0, dev->iobase + PCL818_CLRINT); /* clear INT request */ - ptr = (short *) devpriv->dmabuf[1 - devpriv->next_dma_buf]; + ptr = (short *)devpriv->dmabuf[1 - devpriv->next_dma_buf]; len = devpriv->hwdmasize[0] >> 1; bufptr = 0; @@ -603,11 +613,10 @@ static irqreturn_t interrupt_pcl818_ai_mode13_dma(int irq, void *d) for (i = 0; i < len; i++) { if ((ptr[bufptr] & 0xf) != devpriv->act_chanlist[devpriv->act_chanlist_pos]) { /* dropout! */ printk - ("comedi: A/D mode1/3 DMA - channel dropout %d(card)!=%d(chanlist) at %d !\n", - (ptr[bufptr] & 0xf), - devpriv->act_chanlist[devpriv-> - act_chanlist_pos], - devpriv->act_chanlist_pos); + ("comedi: A/D mode1/3 DMA - channel dropout %d(card)!=%d(chanlist) at %d !\n", + (ptr[bufptr] & 0xf), + devpriv->act_chanlist[devpriv->act_chanlist_pos], + devpriv->act_chanlist_pos); pcl818_ai_cancel(dev, s); s->async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR; comedi_event(dev, s); @@ -649,7 +658,7 @@ static irqreturn_t interrupt_pcl818_ai_mode13_dma_rtc(int irq, void *d) unsigned long tmp; unsigned int top1, top2, i, bufptr; long ofs_dats; - short *dmabuf = (short *) devpriv->dmabuf[0]; + short *dmabuf = (short *)devpriv->dmabuf[0]; /* outb(2,0x378); */ switch (devpriv->ai_mode) { @@ -657,7 +666,7 @@ static irqreturn_t interrupt_pcl818_ai_mode13_dma_rtc(int irq, void *d) case INT_TYPE_AI3_DMA_RTC: tmp = (CMOS_READ(RTC_INTR_FLAGS) & 0xF0); mod_timer(&devpriv->rtc_irq_timer, - jiffies + HZ / devpriv->rtc_freq + 2 * HZ / 100); + jiffies + HZ / devpriv->rtc_freq + 2 * HZ / 100); for (i = 0; i < 10; i++) { top1 = get_dma_residue(devpriv->dma); @@ -694,13 +703,13 @@ static irqreturn_t interrupt_pcl818_ai_mode13_dma_rtc(int irq, void *d) for (i = 0; i < ofs_dats; i++) { if ((dmabuf[bufptr] & 0xf) != devpriv->act_chanlist[devpriv->act_chanlist_pos]) { /* dropout! */ printk - ("comedi: A/D mode1/3 DMA - channel dropout %d!=%d !\n", - (dmabuf[bufptr] & 0xf), - devpriv->act_chanlist[devpriv-> - act_chanlist_pos]); + ("comedi: A/D mode1/3 DMA - channel dropout %d!=%d !\n", + (dmabuf[bufptr] & 0xf), + devpriv-> + act_chanlist[devpriv->act_chanlist_pos]); pcl818_ai_cancel(dev, s); s->async->events |= - COMEDI_CB_EOA | COMEDI_CB_ERROR; + COMEDI_CB_EOA | COMEDI_CB_ERROR; comedi_event(dev, s); return IRQ_HANDLED; } @@ -776,10 +785,9 @@ static irqreturn_t interrupt_pcl818_ai_mode13_fifo(int irq, void *d) lo = inb(dev->iobase + PCL818_FI_DATALO); if ((lo & 0xf) != devpriv->act_chanlist[devpriv->act_chanlist_pos]) { /* dropout! */ printk - ("comedi: A/D mode1/3 FIFO - channel dropout %d!=%d !\n", - (lo & 0xf), - devpriv->act_chanlist[devpriv-> - act_chanlist_pos]); + ("comedi: A/D mode1/3 FIFO - channel dropout %d!=%d !\n", + (lo & 0xf), + devpriv->act_chanlist[devpriv->act_chanlist_pos]); pcl818_ai_cancel(dev, s); s->async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR; comedi_event(dev, s); @@ -822,9 +830,9 @@ static irqreturn_t interrupt_pcl818(int irq, void *d) if (devpriv->irq_blocked && devpriv->irq_was_now_closed) { if ((devpriv->neverending_ai || (!devpriv->neverending_ai && - devpriv->ai_act_scan > 0)) && - (devpriv->ai_mode == INT_TYPE_AI1_DMA || - devpriv->ai_mode == INT_TYPE_AI3_DMA)) { + devpriv->ai_act_scan > 0)) && + (devpriv->ai_mode == INT_TYPE_AI1_DMA || + devpriv->ai_mode == INT_TYPE_AI3_DMA)) { /* The cleanup from ai_cancel() has been delayed until now because the card doesn't seem to like being reprogrammed while a DMA transfer is in @@ -863,7 +871,7 @@ static irqreturn_t interrupt_pcl818(int irq, void *d) outb(0, dev->iobase + PCL818_CLRINT); /* clear INT request */ if ((!dev->irq) || (!devpriv->irq_free) || (!devpriv->irq_blocked) - || (!devpriv->ai_mode)) { + || (!devpriv->ai_mode)) { comedi_error(dev, "bad IRQ!"); return IRQ_NONE; } @@ -877,7 +885,7 @@ static irqreturn_t interrupt_pcl818(int irq, void *d) ANALOG INPUT MODE 1 or 3 DMA , 818 cards */ static void pcl818_ai_mode13dma_int(int mode, struct comedi_device *dev, - struct comedi_subdevice *s) + struct comedi_subdevice *s) { unsigned int flags; unsigned int bytes; @@ -918,7 +926,7 @@ static void pcl818_ai_mode13dma_int(int mode, struct comedi_device *dev, ANALOG INPUT MODE 1 or 3 DMA rtc, 818 cards */ static void pcl818_ai_mode13dma_rtc(int mode, struct comedi_device *dev, - struct comedi_subdevice *s) + struct comedi_subdevice *s) { unsigned int flags; short *pole; @@ -931,13 +939,13 @@ static void pcl818_ai_mode13dma_rtc(int mode, struct comedi_device *dev, release_dma_lock(flags); enable_dma(devpriv->dma); devpriv->last_top_dma = 0; /* devpriv->hwdmasize[0]; */ - pole = (short *) devpriv->dmabuf[0]; + pole = (short *)devpriv->dmabuf[0]; devpriv->dmasamplsize = devpriv->hwdmasize[0] / 2; pole[devpriv->dmasamplsize - 1] = MAGIC_DMA_WORD; #ifdef unused devpriv->rtc_freq = rtc_setfreq_irq(2048); devpriv->rtc_irq_timer.expires = - jiffies + HZ / devpriv->rtc_freq + 2 * HZ / 100; + jiffies + HZ / devpriv->rtc_freq + 2 * HZ / 100; devpriv->rtc_irq_timer.data = (unsigned long)dev; devpriv->rtc_irq_timer.function = rtc_dropped_irq; @@ -959,7 +967,7 @@ static void pcl818_ai_mode13dma_rtc(int mode, struct comedi_device *dev, ANALOG INPUT MODE 1 or 3, 818 cards */ static int pcl818_ai_cmd_mode(int mode, struct comedi_device *dev, - struct comedi_subdevice *s) + struct comedi_subdevice *s) { struct comedi_cmd *cmd = &s->async->cmd; int divisor1, divisor2; @@ -977,11 +985,11 @@ static int pcl818_ai_cmd_mode(int mode, struct comedi_device *dev, start_pacer(dev, -1, 0, 0); /* stop pacer */ seglen = check_channel_list(dev, s, devpriv->ai_chanlist, - devpriv->ai_n_chan); + devpriv->ai_n_chan); if (seglen < 1) return -EINVAL; setup_channel_list(dev, s, devpriv->ai_chanlist, - devpriv->ai_n_chan, seglen); + devpriv->ai_n_chan, seglen); udelay(1); @@ -998,7 +1006,8 @@ static int pcl818_ai_cmd_mode(int mode, struct comedi_device *dev, if (mode == 1) { i8253_cascade_ns_to_timer(devpriv->i8253_osc_base, &divisor1, - &divisor2, &cmd->convert_arg, TRIG_ROUND_NEAREST); + &divisor2, &cmd->convert_arg, + TRIG_ROUND_NEAREST); if (divisor1 == 1) { /* PCL718/818 crash if any divisor is set to 1 */ divisor1 = 2; divisor2 /= 2; @@ -1034,11 +1043,13 @@ static int pcl818_ai_cmd_mode(int mode, struct comedi_device *dev, if (mode == 1) { devpriv->ai_mode = INT_TYPE_AI1_INT; /* Pacer+IRQ */ - outb(0x83 | (dev->irq << 4), dev->iobase + PCL818_CONTROL); + outb(0x83 | (dev->irq << 4), + dev->iobase + PCL818_CONTROL); } else { devpriv->ai_mode = INT_TYPE_AI3_INT; /* Ext trig+IRQ */ - outb(0x82 | (dev->irq << 4), dev->iobase + PCL818_CONTROL); + outb(0x82 | (dev->irq << 4), + dev->iobase + PCL818_CONTROL); } } else { /* FIFO */ @@ -1075,8 +1086,8 @@ static int pcl818_ai_cmd_mode(int mode, struct comedi_device *dev, ANALOG OUTPUT MODE 1 or 3, 818 cards */ #ifdef PCL818_MODE13_AO -static int pcl818_ao_mode13(int mode, struct comedi_device *dev, struct comedi_subdevice *s, - comedi_trig *it) +static int pcl818_ao_mode13(int mode, struct comedi_device *dev, + struct comedi_subdevice *s, comedi_trig * it) { int divisor1, divisor2; @@ -1099,7 +1110,8 @@ static int pcl818_ao_mode13(int mode, struct comedi_device *dev, struct comedi_s if (mode == 1) { i8253_cascade_ns_to_timer(devpriv->i8253_osc_base, &divisor1, - &divisor2, &it->trigvar, TRIG_ROUND_NEAREST); + &divisor2, &it->trigvar, + TRIG_ROUND_NEAREST); if (divisor1 == 1) { /* PCL818 crash if any divisor is set to 1 */ divisor1 = 2; divisor2 /= 2; @@ -1128,8 +1140,8 @@ static int pcl818_ao_mode13(int mode, struct comedi_device *dev, struct comedi_s ============================================================================== ANALOG OUTPUT MODE 1, 818 cards */ -static int pcl818_ao_mode1(struct comedi_device *dev, struct comedi_subdevice *s, - comedi_trig *it) +static int pcl818_ao_mode1(struct comedi_device *dev, + struct comedi_subdevice *s, comedi_trig * it) { return pcl818_ao_mode13(1, dev, s, it); } @@ -1138,8 +1150,8 @@ static int pcl818_ao_mode1(struct comedi_device *dev, struct comedi_subdevice *s ============================================================================== ANALOG OUTPUT MODE 3, 818 cards */ -static int pcl818_ao_mode3(struct comedi_device *dev, struct comedi_subdevice *s, - comedi_trig *it) +static int pcl818_ao_mode3(struct comedi_device *dev, + struct comedi_subdevice *s, comedi_trig * it) { return pcl818_ao_mode13(3, dev, s, it); } @@ -1150,8 +1162,8 @@ static int pcl818_ao_mode3(struct comedi_device *dev, struct comedi_subdevice *s ============================================================================== Start/stop pacer onboard pacer */ -static void start_pacer(struct comedi_device *dev, int mode, unsigned int divisor1, - unsigned int divisor2) +static void start_pacer(struct comedi_device *dev, int mode, + unsigned int divisor1, unsigned int divisor2) { outb(0xb4, dev->iobase + PCL818_CTRCTL); outb(0x74, dev->iobase + PCL818_CTRCTL); @@ -1170,8 +1182,9 @@ static void start_pacer(struct comedi_device *dev, int mode, unsigned int diviso Check if channel list from user is builded correctly If it's ok, then program scan/gain logic */ -static int check_channel_list(struct comedi_device *dev, struct comedi_subdevice *s, - unsigned int *chanlist, unsigned int n_chan) +static int check_channel_list(struct comedi_device *dev, + struct comedi_subdevice *s, + unsigned int *chanlist, unsigned int n_chan) { unsigned int chansegment[16]; unsigned int i, nowmustbechan, seglen, segpos; @@ -1196,12 +1209,12 @@ static int check_channel_list(struct comedi_device *dev, struct comedi_subdevice if (chanlist[0] == chanlist[i]) break; nowmustbechan = - (CR_CHAN(chansegment[i - 1]) + 1) % s->n_chan; + (CR_CHAN(chansegment[i - 1]) + 1) % s->n_chan; if (nowmustbechan != CR_CHAN(chanlist[i])) { /* channel list isn't continous :-( */ printk - ("comedi%d: pcl818: channel list must be continous! chanlist[%i]=%d but must be %d or %d!\n", - dev->minor, i, CR_CHAN(chanlist[i]), - nowmustbechan, CR_CHAN(chanlist[0])); + ("comedi%d: pcl818: channel list must be continous! chanlist[%i]=%d but must be %d or %d!\n", + dev->minor, i, CR_CHAN(chanlist[i]), + nowmustbechan, CR_CHAN(chanlist[0])); return 0; } /* well, this is next correct channel in list */ @@ -1213,13 +1226,13 @@ static int check_channel_list(struct comedi_device *dev, struct comedi_subdevice /* printk("%d %d=%d %d\n",CR_CHAN(chansegment[i%seglen]),CR_RANGE(chansegment[i%seglen]),CR_CHAN(it->chanlist[i]),CR_RANGE(it->chanlist[i])); */ if (chanlist[i] != chansegment[i % seglen]) { printk - ("comedi%d: pcl818: bad channel or range number! chanlist[%i]=%d,%d,%d and not %d,%d,%d!\n", - dev->minor, i, CR_CHAN(chansegment[i]), - CR_RANGE(chansegment[i]), - CR_AREF(chansegment[i]), - CR_CHAN(chanlist[i % seglen]), - CR_RANGE(chanlist[i % seglen]), - CR_AREF(chansegment[i % seglen])); + ("comedi%d: pcl818: bad channel or range number! chanlist[%i]=%d,%d,%d and not %d,%d,%d!\n", + dev->minor, i, CR_CHAN(chansegment[i]), + CR_RANGE(chansegment[i]), + CR_AREF(chansegment[i]), + CR_CHAN(chanlist[i % seglen]), + CR_RANGE(chanlist[i % seglen]), + CR_AREF(chansegment[i % seglen])); return 0; /* chan/gain list is strange */ } } @@ -1230,8 +1243,10 @@ static int check_channel_list(struct comedi_device *dev, struct comedi_subdevice return seglen; } -static void setup_channel_list(struct comedi_device *dev, struct comedi_subdevice *s, - unsigned int *chanlist, unsigned int n_chan, unsigned int seglen) +static void setup_channel_list(struct comedi_device *dev, + struct comedi_subdevice *s, + unsigned int *chanlist, unsigned int n_chan, + unsigned int seglen) { int i; @@ -1248,7 +1263,8 @@ static void setup_channel_list(struct comedi_device *dev, struct comedi_subdevic /* select channel interval to scan */ outb(devpriv->act_chanlist[0] | (devpriv->act_chanlist[seglen - - 1] << 4), dev->iobase + PCL818_MUX); + 1] << 4), + dev->iobase + PCL818_MUX); } /* @@ -1268,7 +1284,7 @@ static int check_single_ended(unsigned int port) ============================================================================== */ static int ai_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_cmd *cmd) + struct comedi_cmd *cmd) { int err = 0; int tmp, divisor1, divisor2; @@ -1386,8 +1402,8 @@ static int ai_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, if (cmd->convert_src == TRIG_TIMER) { tmp = cmd->convert_arg; i8253_cascade_ns_to_timer(devpriv->i8253_osc_base, &divisor1, - &divisor2, &cmd->convert_arg, - cmd->flags & TRIG_ROUND_MASK); + &divisor2, &cmd->convert_arg, + cmd->flags & TRIG_ROUND_MASK); if (cmd->convert_arg < this_board->ns_min) cmd->convert_arg = this_board->ns_min; if (tmp != cmd->convert_arg) @@ -1402,7 +1418,7 @@ static int ai_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, if (cmd->chanlist) { if (!check_channel_list(dev, s, cmd->chanlist, - cmd->chanlist_len)) + cmd->chanlist_len)) return 5; /* incorrect channels list */ } @@ -1451,7 +1467,8 @@ static int ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) ============================================================================== cancel any mode 1-4 AI */ -static int pcl818_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s) +static int pcl818_ai_cancel(struct comedi_device *dev, + struct comedi_subdevice *s) { if (devpriv->irq_blocked > 0) { printk("pcl818_ai_cancel()\n"); @@ -1467,8 +1484,8 @@ static int pcl818_ai_cancel(struct comedi_device *dev, struct comedi_subdevice * case INT_TYPE_AI1_DMA: case INT_TYPE_AI3_DMA: if (devpriv->neverending_ai || - (!devpriv->neverending_ai && - devpriv->ai_act_scan > 0)) { + (!devpriv->neverending_ai && + devpriv->ai_act_scan > 0)) { /* wait for running dma transfer to end, do cleanup in interrupt */ goto end; } @@ -1503,7 +1520,7 @@ static int pcl818_ai_cancel(struct comedi_device *dev, struct comedi_subdevice * } } - end: +end: printk("pcl818_ai_cancel() end\n"); return 0; } @@ -1612,7 +1629,7 @@ static void rtc_dropped_irq(unsigned long data) case INT_TYPE_AI1_DMA_RTC: case INT_TYPE_AI3_DMA_RTC: mod_timer(&devpriv->rtc_irq_timer, - jiffies + HZ / devpriv->rtc_freq + 2 * HZ / 100); + jiffies + HZ / devpriv->rtc_freq + 2 * HZ / 100); save_flags(flags); cli(); tmp = (CMOS_READ(RTC_INTR_FLAGS) & 0xF0); /* restart */ @@ -1674,7 +1691,7 @@ static void free_resources(struct comedi_device *dev) if ((devpriv->dma_rtc) && (RTC_lock == 1)) { if (devpriv->rtc_iobase) release_region(devpriv->rtc_iobase, - devpriv->rtc_iosize); + devpriv->rtc_iosize); } if (devpriv->dma_rtc) RTC_lock--; @@ -1710,7 +1727,7 @@ static int pcl818_attach(struct comedi_device *dev, struct comedi_devconfig *it) /* claim our I/O space */ iobase = it->options[0]; printk("comedi%d: pcl818: board=%s, ioport=0x%03lx", - dev->minor, this_board->name, iobase); + dev->minor, this_board->name, iobase); devpriv->io_range = this_board->io_range; if ((this_board->fifo) && (it->options[2] == -1)) { /* we've board with FIFO and we want to use FIFO */ devpriv->io_range = PCLx1xFIFO_RANGE; @@ -1737,14 +1754,15 @@ static int pcl818_attach(struct comedi_device *dev, struct comedi_devconfig *it) if (irq) { /* we want to use IRQ */ if (((1 << irq) & this_board->IRQbits) == 0) { printk - (", IRQ %u is out of allowed range, DISABLING IT", - irq); + (", IRQ %u is out of allowed range, DISABLING IT", + irq); irq = 0; /* Bad IRQ */ } else { - if (request_irq(irq, interrupt_pcl818, 0, "pcl818", dev)) { + if (request_irq + (irq, interrupt_pcl818, 0, "pcl818", dev)) { printk - (", unable to allocate IRQ %u, DISABLING IT", - irq); + (", unable to allocate IRQ %u, DISABLING IT", + irq); irq = 0; /* Can't use IRQ */ } else { printk(", irq=%u", irq); @@ -1769,14 +1787,14 @@ static int pcl818_attach(struct comedi_device *dev, struct comedi_devconfig *it) if (it->options[2] > 0) { /* we want to use DMA */ if (RTC_lock == 0) { if (!request_region(RTC_PORT(0), RTC_IO_EXTENT, - "pcl818 (RTC)")) + "pcl818 (RTC)")) goto no_rtc; } devpriv->rtc_iobase = RTC_PORT(0); devpriv->rtc_iosize = RTC_IO_EXTENT; RTC_lock++; if (!request_irq(RTC_IRQ, interrupt_pcl818_ai_mode13_dma_rtc, 0, - "pcl818 DMA (RTC)", dev)) { + "pcl818 DMA (RTC)", dev)) { devpriv->dma_rtc = 1; devpriv->rtc_irq = RTC_IRQ; printk(", dma_irq=%u", devpriv->rtc_irq); @@ -1785,14 +1803,14 @@ static int pcl818_attach(struct comedi_device *dev, struct comedi_devconfig *it) if (RTC_lock == 0) { if (devpriv->rtc_iobase) release_region(devpriv->rtc_iobase, - devpriv->rtc_iosize); + devpriv->rtc_iosize); } devpriv->rtc_iobase = 0; devpriv->rtc_iosize = 0; } } - no_rtc: +no_rtc: #endif /* grab our DMA */ dma = 0; @@ -1829,17 +1847,17 @@ static int pcl818_attach(struct comedi_device *dev, struct comedi_devconfig *it) devpriv->dmabuf[1] = __get_dma_pages(GFP_KERNEL, pages); if (!devpriv->dmabuf[1]) { printk - (", unable to allocate DMA buffer, FAIL!\n"); + (", unable to allocate DMA buffer, FAIL!\n"); return -EBUSY; } devpriv->dmapages[1] = pages; devpriv->hwdmaptr[1] = - virt_to_bus((void *)devpriv->dmabuf[1]); + virt_to_bus((void *)devpriv->dmabuf[1]); devpriv->hwdmasize[1] = (1 << pages) * PAGE_SIZE; } } - no_dma: +no_dma: ret = alloc_subdevices(dev, 4); if (ret < 0) |