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Commit 0f04c356 authored by Bill Pemberton's avatar Bill Pemberton Committed by Greg Kroah-Hartman
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Staging: comedi: remove C99 comments in adl_pci9118.c 

Signed-off-by: default avatarBill Pemberton <wfp5p@virginia.edu>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 14458b19
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Showing with 225 additions and 225 deletions
drivers/staging/comedi/drivers/adl_pci9118.c
View file @ 0f04c356
...@@ -107,7 +107,7 @@ Configuration options: ...@@ -107,7 +107,7 @@ Configuration options:
#define PCI9118_INTSRC 0x38 /* R: interrupt reason register */ #define PCI9118_INTSRC 0x38 /* R: interrupt reason register */
#define PCI9118_INTCTRL 0x38 /* W: interrupt control register */ #define PCI9118_INTCTRL 0x38 /* W: interrupt control register */
// bits from A/D control register (PCI9118_ADCNTRL) /* bits from A/D control register (PCI9118_ADCNTRL) */
#define AdControl_UniP 0x80 /* 1=bipolar, 0=unipolar */ #define AdControl_UniP 0x80 /* 1=bipolar, 0=unipolar */
#define AdControl_Diff 0x40 /* 1=differential, 0= single end inputs */ #define AdControl_Diff 0x40 /* 1=differential, 0= single end inputs */
#define AdControl_SoftG 0x20 /* 1=8254 counter works, 0=counter stops */ #define AdControl_SoftG 0x20 /* 1=8254 counter works, 0=counter stops */
...@@ -117,7 +117,7 @@ Configuration options: ...@@ -117,7 +117,7 @@ Configuration options:
#define AdControl_Int 0x02 /* 1=enable INT, 0=disable */ #define AdControl_Int 0x02 /* 1=enable INT, 0=disable */
#define AdControl_Dma 0x01 /* 1=enable DMA, 0=disable */ #define AdControl_Dma 0x01 /* 1=enable DMA, 0=disable */
// bits from A/D function register (PCI9118_ADFUNC) /* bits from A/D function register (PCI9118_ADFUNC) */
#define AdFunction_PDTrg 0x80 /* 1=positive, 0=negative digital trigger (only positive is correct) */ #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_PETrg 0x40 /* 1=positive, 0=negative external trigger (only positive is correct) */
#define AdFunction_BSSH 0x20 /* 1=with sample&hold, 0=without */ #define AdFunction_BSSH 0x20 /* 1=with sample&hold, 0=without */
...@@ -127,7 +127,7 @@ Configuration options: ...@@ -127,7 +127,7 @@ Configuration options:
#define AdFunction_AM 0x02 /* 1=about trigger mode, 0=not about trigger */ #define AdFunction_AM 0x02 /* 1=about trigger mode, 0=not about trigger */
#define AdFunction_Start 0x01 /* 1=trigger start, 0=trigger stop */ #define AdFunction_Start 0x01 /* 1=trigger start, 0=trigger stop */
// bits from A/D status register (PCI9118_ADSTAT) /* bits from A/D status register (PCI9118_ADSTAT) */
#define AdStatus_nFull 0x100 /* 0=FIFO full (fatal), 1=not full */ #define AdStatus_nFull 0x100 /* 0=FIFO full (fatal), 1=not full */
#define AdStatus_nHfull 0x080 /* 0=FIFO half full, 1=FIFO not half full */ #define AdStatus_nHfull 0x080 /* 0=FIFO half full, 1=FIFO not half full */
#define AdStatus_nEpty 0x040 /* 0=FIFO empty, 1=FIFO not empty */ #define AdStatus_nEpty 0x040 /* 0=FIFO empty, 1=FIFO not empty */
...@@ -138,8 +138,8 @@ Configuration options: ...@@ -138,8 +138,8 @@ Configuration options:
#define AdStatus_ADOR 0x002 /* 1=A/D overrun (fatal) */ #define AdStatus_ADOR 0x002 /* 1=A/D overrun (fatal) */
#define AdStatus_ADrdy 0x001 /* 1=A/D already ready, 0=not ready */ #define AdStatus_ADrdy 0x001 /* 1=A/D already ready, 0=not ready */
// bits for interrupt reason and control (PCI9118_INTSRC, PCI9118_INTCTRL) /* bits for interrupt reason and control (PCI9118_INTSRC, PCI9118_INTCTRL) */
// 1=interrupt occur, enable source, 0=interrupt not occur, disable source /* 1=interrupt occur, enable source, 0=interrupt not occur, disable source */
#define Int_Timer 0x08 /* timer interrupt */ #define Int_Timer 0x08 /* timer interrupt */
#define Int_About 0x04 /* about trigger complete */ #define Int_About 0x04 /* about trigger complete */
#define Int_Hfull 0x02 /* A/D FIFO hlaf full */ #define Int_Hfull 0x02 /* A/D FIFO hlaf full */
...@@ -182,23 +182,23 @@ static int pci9118_attach(struct comedi_device * dev, struct comedi_devconfig * ...@@ -182,23 +182,23 @@ static int pci9118_attach(struct comedi_device * dev, struct comedi_devconfig *
static int pci9118_detach(struct comedi_device * dev); static int pci9118_detach(struct comedi_device * dev);
struct boardtype { struct boardtype {
const char *name; // board name const char *name; /* board name */
int vendor_id; // PCI vendor a device ID of card int vendor_id; /* PCI vendor a device ID of card */
int device_id; int device_id;
int iorange_amcc; // iorange for own S5933 region int iorange_amcc; /* iorange for own S5933 region */
int iorange_9118; // pass thru card region size int iorange_9118; /* pass thru card region size */
int n_aichan; // num of A/D chans int n_aichan; /* num of A/D chans */
int n_aichand; // num of A/D chans in diff mode int n_aichand; /* num of A/D chans in diff mode */
int mux_aichan; // num of A/D chans with external multiplexor int mux_aichan; /* num of A/D chans with external multiplexor */
int n_aichanlist; // len of chanlist int n_aichanlist; /* len of chanlist */
int n_aochan; // num of D/A chans int n_aochan; /* num of D/A chans */
int ai_maxdata; // resolution of A/D int ai_maxdata; /* resolution of A/D */
int ao_maxdata; // resolution of D/A int ao_maxdata; /* resolution of D/A */
const struct comedi_lrange *rangelist_ai; // rangelist for A/D const struct comedi_lrange *rangelist_ai; /* rangelist for A/D */
const struct comedi_lrange *rangelist_ao; // rangelist for D/A const struct comedi_lrange *rangelist_ao; /* rangelist for D/A */
unsigned int ai_ns_min; // max sample speed of card v ns unsigned int ai_ns_min; /* max sample speed of card v ns */
unsigned int ai_pacer_min; // minimal pacer value (c1*c2 or c1 in burst) unsigned int ai_pacer_min; /* minimal pacer value (c1*c2 or c1 in burst) */
int half_fifo_size; // size of FIFO/2 int half_fifo_size; /* size of FIFO/2 */
}; };
...@@ -242,63 +242,63 @@ static struct comedi_driver driver_pci9118 = { ...@@ -242,63 +242,63 @@ static struct comedi_driver driver_pci9118 = {
COMEDI_PCI_INITCLEANUP(driver_pci9118, pci9118_pci_table); COMEDI_PCI_INITCLEANUP(driver_pci9118, pci9118_pci_table);
struct pci9118_private { struct pci9118_private {
unsigned long iobase_a; // base+size for AMCC chip unsigned long iobase_a; /* base+size for AMCC chip */
unsigned int master; // master capable unsigned int master; /* master capable */
struct pci_dev *pcidev; // ptr to actual pcidev struct pci_dev *pcidev; /* ptr to actual pcidev */
unsigned int usemux; // we want to use external multiplexor! unsigned int usemux; /* we want to use external multiplexor! */
#ifdef PCI9118_PARANOIDCHECK #ifdef PCI9118_PARANOIDCHECK
unsigned short chanlist[PCI9118_CHANLEN + 1]; // list of scaned channel unsigned short chanlist[PCI9118_CHANLEN + 1]; /* list of scaned channel */
unsigned char chanlistlen; // number of scanlist unsigned char chanlistlen; /* number of scanlist */
#endif #endif
unsigned char AdControlReg; // A/D control register unsigned char AdControlReg; /* A/D control register */
unsigned char IntControlReg; // Interrupt control register unsigned char IntControlReg; /* Interrupt control register */
unsigned char AdFunctionReg; // A/D function register unsigned char AdFunctionReg; /* A/D function register */
char valid; // driver is ok char valid; /* driver is ok */
char ai_neverending; // we do unlimited AI char ai_neverending; /* we do unlimited AI */
unsigned int i8254_osc_base; // frequence of onboard oscilator unsigned int i8254_osc_base; /* frequence of onboard oscilator */
unsigned int ai_do; // what do AI? 0=nothing, 1 to 4 mode unsigned int ai_do; /* what do AI? 0=nothing, 1 to 4 mode */
unsigned int ai_act_scan; // how many scans we finished unsigned int ai_act_scan; /* how many scans we finished */
unsigned int ai_buf_ptr; // data buffer ptr in samples unsigned int ai_buf_ptr; /* data buffer ptr in samples */
unsigned int ai_n_chan; // how many channels is measured unsigned int ai_n_chan; /* how many channels is measured */
unsigned int ai_n_scanlen; // len of actual scanlist unsigned int ai_n_scanlen; /* len of actual scanlist */
unsigned int ai_n_realscanlen; // what we must transfer for one outgoing scan include front/back adds unsigned int ai_n_realscanlen; /* what we must transfer for one outgoing scan include front/back adds */
unsigned int ai_act_dmapos; // position in actual real stream unsigned int ai_act_dmapos; /* position in actual real stream */
unsigned int ai_add_front; // how many channels we must add before scan to satisfy S&H? unsigned int ai_add_front; /* how many channels we must add before scan to satisfy S&H? */
unsigned int ai_add_back; // how many channels we must add before scan to satisfy DMA? unsigned int ai_add_back; /* how many channels we must add before scan to satisfy DMA? */
unsigned int *ai_chanlist; // actaul chanlist unsigned int *ai_chanlist; /* actaul chanlist */
unsigned int ai_timer1; unsigned int ai_timer1;
unsigned int ai_timer2; unsigned int ai_timer2;
unsigned int ai_flags; unsigned int ai_flags;
char ai12_startstop; // measure can start/stop on external trigger char ai12_startstop; /* measure can start/stop on external trigger */
unsigned int ai_divisor1, ai_divisor2; // divisors for start of measure on external start unsigned int ai_divisor1, ai_divisor2; /* divisors for start of measure on external start */
unsigned int ai_data_len; unsigned int ai_data_len;
short *ai_data; short *ai_data;
short ao_data[2]; // data output buffer short ao_data[2]; /* data output buffer */
unsigned int ai_scans; // number of scans to do unsigned int ai_scans; /* number of scans to do */
char dma_doublebuf; // we can use double buffring char dma_doublebuf; /* we can use double buffring */
unsigned int dma_actbuf; // which buffer is used now unsigned int dma_actbuf; /* which buffer is used now */
short *dmabuf_virt[2]; // pointers to begin of DMA buffer short *dmabuf_virt[2]; /* pointers to begin of DMA buffer */
unsigned long dmabuf_hw[2]; // hw address of DMA buff unsigned long dmabuf_hw[2]; /* hw address of DMA buff */
unsigned int dmabuf_size[2]; // size of dma buffer in bytes unsigned int dmabuf_size[2]; /* size of dma buffer in bytes */
unsigned int dmabuf_use_size[2]; // which size we may now used for transfer unsigned int dmabuf_use_size[2]; /* which size we may now used for transfer */
unsigned int dmabuf_used_size[2]; // which size was trully used unsigned int dmabuf_used_size[2]; /* which size was trully used */
unsigned int dmabuf_panic_size[2]; unsigned int dmabuf_panic_size[2];
unsigned int dmabuf_samples[2]; // size in samples unsigned int dmabuf_samples[2]; /* size in samples */
int dmabuf_pages[2]; // number of pages in buffer int dmabuf_pages[2]; /* number of pages in buffer */
unsigned char cnt0_users; // bit field of 8254 CNT0 users (0-unused, 1-AO, 2-DI, 3-DO) unsigned char cnt0_users; /* bit field of 8254 CNT0 users (0-unused, 1-AO, 2-DI, 3-DO) */
unsigned char exttrg_users; // bit field of external trigger users (0-AI, 1-AO, 2-DI, 3-DO) unsigned char exttrg_users; /* bit field of external trigger users (0-AI, 1-AO, 2-DI, 3-DO) */
unsigned int cnt0_divisor; // actual CNT0 divisor unsigned int cnt0_divisor; /* actual CNT0 divisor */
void (*int_ai_func) (struct comedi_device *, struct comedi_subdevice *, unsigned short, unsigned int, unsigned short); // ptr to actual interrupt AI function void (*int_ai_func) (struct comedi_device *, struct comedi_subdevice *, unsigned short, unsigned int, unsigned short); /* ptr to actual interrupt AI function */
unsigned char ai16bits; // =1 16 bit card unsigned char ai16bits; /* =1 16 bit card */
unsigned char usedma; // =1 use DMA transfer and not INT unsigned char usedma; /* =1 use DMA transfer and not INT */
unsigned char useeoshandle; // =1 change WAKE_EOS DMA transfer to fit on every second unsigned char useeoshandle; /* =1 change WAKE_EOS DMA transfer to fit on every second */
unsigned char usessh; // =1 turn on S&H support unsigned char usessh; /* =1 turn on S&H support */
int softsshdelay; // >0 use software S&H, numer is requested delay in ns int softsshdelay; /* >0 use software S&H, numer is requested delay in ns */
unsigned char softsshsample; // polarity of S&H signal in sample state unsigned char softsshsample; /* polarity of S&H signal in sample state */
unsigned char softsshhold; // polarity of S&H signal in hold state unsigned char softsshhold; /* polarity of S&H signal in hold state */
unsigned int ai_maskerr; // which warning was printed unsigned int ai_maskerr; /* which warning was printed */
unsigned int ai_maskharderr; // on which error bits stops unsigned int ai_maskharderr; /* on which error bits stops */
unsigned int ai_inttrig_start; // TRIG_INT for start unsigned int ai_inttrig_start; /* TRIG_INT for start */
}; };
#define devpriv ((struct pci9118_private *)dev->private) #define devpriv ((struct pci9118_private *)dev->private)
...@@ -335,12 +335,12 @@ static int pci9118_insn_read_ai(struct comedi_device * dev, struct comedi_subdev ...@@ -335,12 +335,12 @@ static int pci9118_insn_read_ai(struct comedi_device * dev, struct comedi_subdev
devpriv->AdControlReg = AdControl_Int & 0xff; devpriv->AdControlReg = AdControl_Int & 0xff;
devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg; devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg;
outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC); // positive triggers, no S&H, no burst, burst stop, no post trigger, no about trigger, trigger stop outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC); /* positive triggers, no S&H, no burst, burst stop, no post trigger, no about trigger, trigger stop */
if (!setup_channel_list(dev, s, 1, &insn->chanspec, 0, 0, 0, 0, 0)) if (!setup_channel_list(dev, s, 1, &insn->chanspec, 0, 0, 0, 0, 0))
return -EINVAL; return -EINVAL;
outl(0, dev->iobase + PCI9118_DELFIFO); // flush FIFO outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
for (n = 0; n < insn->n; n++) { for (n = 0; n < insn->n; n++) {
outw(0, dev->iobase + PCI9118_SOFTTRG); /* start conversion */ outw(0, dev->iobase + PCI9118_SOFTTRG); /* start conversion */
...@@ -354,7 +354,7 @@ static int pci9118_insn_read_ai(struct comedi_device * dev, struct comedi_subdev ...@@ -354,7 +354,7 @@ static int pci9118_insn_read_ai(struct comedi_device * dev, struct comedi_subdev
comedi_error(dev, "A/D insn timeout"); comedi_error(dev, "A/D insn timeout");
data[n] = 0; data[n] = 0;
outl(0, dev->iobase + PCI9118_DELFIFO); // flush FIFO outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
return -ETIME; return -ETIME;
conv_finish: conv_finish:
...@@ -369,7 +369,7 @@ static int pci9118_insn_read_ai(struct comedi_device * dev, struct comedi_subdev ...@@ -369,7 +369,7 @@ static int pci9118_insn_read_ai(struct comedi_device * dev, struct comedi_subdev
} }
} }
outl(0, dev->iobase + PCI9118_DELFIFO); // flush FIFO outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
return n; return n;
} }
...@@ -567,7 +567,7 @@ static void interrupt_pci9118_ai_onesample(struct comedi_device * dev, ...@@ -567,7 +567,7 @@ static void interrupt_pci9118_ai_onesample(struct comedi_device * dev,
#ifdef PCI9118_PARANOIDCHECK #ifdef PCI9118_PARANOIDCHECK
if (devpriv->ai16bits == 0) { if (devpriv->ai16bits == 0) {
if ((sampl & 0x000f) != devpriv->chanlist[s->async->cur_chan]) { // data dropout! if ((sampl & 0x000f) != devpriv->chanlist[s->async->cur_chan]) { /* data dropout! */
rt_printk rt_printk
("comedi: A/D SAMPL - data dropout: received channel %d, expected %d!\n", ("comedi: A/D SAMPL - data dropout: received channel %d, expected %d!\n",
sampl & 0x000f, sampl & 0x000f,
...@@ -621,14 +621,14 @@ static void interrupt_pci9118_ai_dma(struct comedi_device * dev, struct comedi_s ...@@ -621,14 +621,14 @@ static void interrupt_pci9118_ai_dma(struct comedi_device * dev, struct comedi_s
} }
if (int_adstat & devpriv->ai_maskerr) if (int_adstat & devpriv->ai_maskerr)
// if (int_adstat & 0x106) /* if (int_adstat & 0x106) */
if (pci9118_decode_error_status(dev, s, int_adstat)) if (pci9118_decode_error_status(dev, s, int_adstat))
return; return;
samplesinbuf = devpriv->dmabuf_use_size[devpriv->dma_actbuf] >> 1; // number of received real samples samplesinbuf = devpriv->dmabuf_use_size[devpriv->dma_actbuf] >> 1; /* number of received real samples */
// DPRINTK("dma_actbuf=%d\n",devpriv->dma_actbuf); /* DPRINTK("dma_actbuf=%d\n",devpriv->dma_actbuf); */
if (devpriv->dma_doublebuf) { // switch DMA buffers if is used double buffering if (devpriv->dma_doublebuf) { /* switch DMA buffers if is used double buffering */
next_dma_buf = 1 - devpriv->dma_actbuf; next_dma_buf = 1 - devpriv->dma_actbuf;
outl(devpriv->dmabuf_hw[next_dma_buf], outl(devpriv->dmabuf_hw[next_dma_buf],
devpriv->iobase_a + AMCC_OP_REG_MWAR); devpriv->iobase_a + AMCC_OP_REG_MWAR);
...@@ -641,15 +641,15 @@ static void interrupt_pci9118_ai_dma(struct comedi_device * dev, struct comedi_s ...@@ -641,15 +641,15 @@ static void interrupt_pci9118_ai_dma(struct comedi_device * dev, struct comedi_s
} }
if (samplesinbuf) { if (samplesinbuf) {
m = devpriv->ai_data_len >> 1; // how many samples is to end of buffer m = devpriv->ai_data_len >> 1; /* how many samples is to end of buffer */
// DPRINTK("samps=%d m=%d %d %d\n",samplesinbuf,m,s->async->buf_int_count,s->async->buf_int_ptr); /* DPRINTK("samps=%d m=%d %d %d\n",samplesinbuf,m,s->async->buf_int_count,s->async->buf_int_ptr); */
sampls = m; sampls = m;
move_block_from_dma(dev, s, move_block_from_dma(dev, s,
devpriv->dmabuf_virt[devpriv->dma_actbuf], devpriv->dmabuf_virt[devpriv->dma_actbuf],
samplesinbuf); samplesinbuf);
m = m - sampls; // m= how many samples was transfered m = m - sampls; /* m= how many samples was transfered */
} }
// DPRINTK("YYY\n"); /* DPRINTK("YYY\n"); */
if (!devpriv->ai_neverending) if (!devpriv->ai_neverending)
if (devpriv->ai_act_scan >= devpriv->ai_scans) { /* all data sampled */ if (devpriv->ai_act_scan >= devpriv->ai_scans) { /* all data sampled */
...@@ -657,9 +657,9 @@ static void interrupt_pci9118_ai_dma(struct comedi_device * dev, struct comedi_s ...@@ -657,9 +657,9 @@ static void interrupt_pci9118_ai_dma(struct comedi_device * dev, struct comedi_s
s->async->events |= COMEDI_CB_EOA; s->async->events |= COMEDI_CB_EOA;
} }
if (devpriv->dma_doublebuf) { // switch dma buffers if (devpriv->dma_doublebuf) { /* switch dma buffers */
devpriv->dma_actbuf = 1 - devpriv->dma_actbuf; devpriv->dma_actbuf = 1 - devpriv->dma_actbuf;
} else { // restart DMA if is not used double buffering } else { /* restart DMA if is not used double buffering */
outl(devpriv->dmabuf_hw[0], outl(devpriv->dmabuf_hw[0],
devpriv->iobase_a + AMCC_OP_REG_MWAR); devpriv->iobase_a + AMCC_OP_REG_MWAR);
outl(devpriv->dmabuf_use_size[0], outl(devpriv->dmabuf_use_size[0],
...@@ -680,30 +680,30 @@ static irqreturn_t interrupt_pci9118(int irq, void *d PT_REGS_ARG) ...@@ -680,30 +680,30 @@ static irqreturn_t interrupt_pci9118(int irq, void *d PT_REGS_ARG)
unsigned int int_daq = 0, int_amcc, int_adstat; unsigned int int_daq = 0, int_amcc, int_adstat;
if (!dev->attached) if (!dev->attached)
return IRQ_NONE; // not fully initialized return IRQ_NONE; /* not fully initialized */
int_daq = inl(dev->iobase + PCI9118_INTSRC) & 0xf; // get IRQ reasons from card int_daq = inl(dev->iobase + PCI9118_INTSRC) & 0xf; /* get IRQ reasons from card */
int_amcc = inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR); // get INT register from AMCC chip int_amcc = inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR); /* get INT register from AMCC chip */
// DPRINTK("INT daq=0x%01x amcc=0x%08x MWAR=0x%08x MWTC=0x%08x ADSTAT=0x%02x ai_do=%d\n", int_daq, int_amcc, inl(devpriv->iobase_a+AMCC_OP_REG_MWAR), inl(devpriv->iobase_a+AMCC_OP_REG_MWTC), inw(dev->iobase+PCI9118_ADSTAT)&0x1ff,devpriv->ai_do); /* DPRINTK("INT daq=0x%01x amcc=0x%08x MWAR=0x%08x MWTC=0x%08x ADSTAT=0x%02x ai_do=%d\n", int_daq, int_amcc, inl(devpriv->iobase_a+AMCC_OP_REG_MWAR), inl(devpriv->iobase_a+AMCC_OP_REG_MWTC), inw(dev->iobase+PCI9118_ADSTAT)&0x1ff,devpriv->ai_do); */
if ((!int_daq) && (!(int_amcc & ANY_S593X_INT))) if ((!int_daq) && (!(int_amcc & ANY_S593X_INT)))
return IRQ_NONE; // interrupt from other source return IRQ_NONE; /* interrupt from other source */
outl(int_amcc | 0x00ff0000, devpriv->iobase_a + AMCC_OP_REG_INTCSR); // shutdown IRQ reasons in AMCC outl(int_amcc | 0x00ff0000, devpriv->iobase_a + AMCC_OP_REG_INTCSR); /* shutdown IRQ reasons in AMCC */
int_adstat = inw(dev->iobase + PCI9118_ADSTAT) & 0x1ff; // get STATUS register int_adstat = inw(dev->iobase + PCI9118_ADSTAT) & 0x1ff; /* get STATUS register */
if (devpriv->ai_do) { if (devpriv->ai_do) {
if (devpriv->ai12_startstop) if (devpriv->ai12_startstop)
if ((int_adstat & AdStatus_DTH) && (int_daq & Int_DTrg)) { // start stop of measure if ((int_adstat & AdStatus_DTH) && (int_daq & Int_DTrg)) { /* start stop of measure */
if (devpriv->ai12_startstop & START_AI_EXT) { if (devpriv->ai12_startstop & START_AI_EXT) {
devpriv->ai12_startstop &= devpriv->ai12_startstop &=
~START_AI_EXT; ~START_AI_EXT;
if (!(devpriv->ai12_startstop & if (!(devpriv->ai12_startstop &
STOP_AI_EXT)) STOP_AI_EXT))
pci9118_exttrg_del(dev, EXTTRG_AI); // deactivate EXT trigger pci9118_exttrg_del(dev, EXTTRG_AI); /* deactivate EXT trigger */
start_pacer(dev, devpriv->ai_do, devpriv->ai_divisor1, devpriv->ai_divisor2); // start pacer start_pacer(dev, devpriv->ai_do, devpriv->ai_divisor1, devpriv->ai_divisor2); /* start pacer */
outl(devpriv->AdControlReg, outl(devpriv->AdControlReg,
dev->iobase + PCI9118_ADCNTRL); dev->iobase + PCI9118_ADCNTRL);
} else { } else {
...@@ -711,8 +711,8 @@ static irqreturn_t interrupt_pci9118(int irq, void *d PT_REGS_ARG) ...@@ -711,8 +711,8 @@ static irqreturn_t interrupt_pci9118(int irq, void *d PT_REGS_ARG)
ai12_startstop & STOP_AI_EXT) { ai12_startstop & STOP_AI_EXT) {
devpriv->ai12_startstop &= devpriv->ai12_startstop &=
~STOP_AI_EXT; ~STOP_AI_EXT;
pci9118_exttrg_del(dev, EXTTRG_AI); // deactivate EXT trigger pci9118_exttrg_del(dev, EXTTRG_AI); /* deactivate EXT trigger */
devpriv->ai_neverending = 0; //well, on next interrupt from DMA/EOC measure will stop devpriv->ai_neverending = 0; /* well, on next interrupt from DMA/EOC measure will stop */
} }
} }
} }
...@@ -949,11 +949,11 @@ static int pci9118_ai_cmdtest(struct comedi_device * dev, struct comedi_subdevic ...@@ -949,11 +949,11 @@ static int pci9118_ai_cmdtest(struct comedi_device * dev, struct comedi_subdevic
if (cmd->scan_begin_src == TRIG_TIMER) { if (cmd->scan_begin_src == TRIG_TIMER) {
tmp = cmd->scan_begin_arg; tmp = cmd->scan_begin_arg;
// rt_printk("S1 timer1=%u timer2=%u\n",cmd->scan_begin_arg,cmd->convert_arg); /* rt_printk("S1 timer1=%u timer2=%u\n",cmd->scan_begin_arg,cmd->convert_arg); */
i8253_cascade_ns_to_timer(devpriv->i8254_osc_base, &divisor1, i8253_cascade_ns_to_timer(devpriv->i8254_osc_base, &divisor1,
&divisor2, &cmd->scan_begin_arg, &divisor2, &cmd->scan_begin_arg,
cmd->flags & TRIG_ROUND_MASK); cmd->flags & TRIG_ROUND_MASK);
// rt_printk("S2 timer1=%u timer2=%u\n",cmd->scan_begin_arg,cmd->convert_arg); /* rt_printk("S2 timer1=%u timer2=%u\n",cmd->scan_begin_arg,cmd->convert_arg); */
if (cmd->scan_begin_arg < this_board->ai_ns_min) if (cmd->scan_begin_arg < this_board->ai_ns_min)
cmd->scan_begin_arg = this_board->ai_ns_min; cmd->scan_begin_arg = this_board->ai_ns_min;
if (tmp != cmd->scan_begin_arg) if (tmp != cmd->scan_begin_arg)
...@@ -965,7 +965,7 @@ static int pci9118_ai_cmdtest(struct comedi_device * dev, struct comedi_subdevic ...@@ -965,7 +965,7 @@ static int pci9118_ai_cmdtest(struct comedi_device * dev, struct comedi_subdevic
i8253_cascade_ns_to_timer(devpriv->i8254_osc_base, &divisor1, i8253_cascade_ns_to_timer(devpriv->i8254_osc_base, &divisor1,
&divisor2, &cmd->convert_arg, &divisor2, &cmd->convert_arg,
cmd->flags & TRIG_ROUND_MASK); cmd->flags & TRIG_ROUND_MASK);
// rt_printk("s1 timer1=%u timer2=%u\n",cmd->scan_begin_arg,cmd->convert_arg); /* rt_printk("s1 timer1=%u timer2=%u\n",cmd->scan_begin_arg,cmd->convert_arg); */
if (cmd->convert_arg < this_board->ai_ns_min) if (cmd->convert_arg < this_board->ai_ns_min)
cmd->convert_arg = this_board->ai_ns_min; cmd->convert_arg = this_board->ai_ns_min;
if (tmp != cmd->convert_arg) if (tmp != cmd->convert_arg)
...@@ -979,7 +979,7 @@ static int pci9118_ai_cmdtest(struct comedi_device * dev, struct comedi_subdevic ...@@ -979,7 +979,7 @@ static int pci9118_ai_cmdtest(struct comedi_device * dev, struct comedi_subdevic
cmd->scan_begin_arg = cmd->scan_begin_arg =
this_board->ai_ns_min * this_board->ai_ns_min *
(cmd->scan_end_arg + 2); (cmd->scan_end_arg + 2);
// rt_printk("s2 timer1=%u timer2=%u\n",cmd->scan_begin_arg,cmd->convert_arg); /* rt_printk("s2 timer1=%u timer2=%u\n",cmd->scan_begin_arg,cmd->convert_arg); */
err++; err++;
} }
} else { } else {
...@@ -988,7 +988,7 @@ static int pci9118_ai_cmdtest(struct comedi_device * dev, struct comedi_subdevic ...@@ -988,7 +988,7 @@ static int pci9118_ai_cmdtest(struct comedi_device * dev, struct comedi_subdevic
cmd->scan_begin_arg = cmd->scan_begin_arg =
cmd->convert_arg * cmd->convert_arg *
cmd->chanlist_len; cmd->chanlist_len;
// rt_printk("s3 timer1=%u timer2=%u\n",cmd->scan_begin_arg,cmd->convert_arg); /* rt_printk("s3 timer1=%u timer2=%u\n",cmd->scan_begin_arg,cmd->convert_arg); */
err++; err++;
} }
} }
...@@ -1001,7 +1001,7 @@ static int pci9118_ai_cmdtest(struct comedi_device * dev, struct comedi_subdevic ...@@ -1001,7 +1001,7 @@ static int pci9118_ai_cmdtest(struct comedi_device * dev, struct comedi_subdevic
if (cmd->chanlist) if (cmd->chanlist)
if (!check_channel_list(dev, s, cmd->chanlist_len, if (!check_channel_list(dev, s, cmd->chanlist_len,
cmd->chanlist, 0, 0)) cmd->chanlist, 0, 0))
return 5; // incorrect channels list return 5; /* incorrect channels list */
return 0; return 0;
} }
...@@ -1018,26 +1018,26 @@ static int Compute_and_setup_dma(struct comedi_device * dev) ...@@ -1018,26 +1018,26 @@ static int Compute_and_setup_dma(struct comedi_device * dev)
dmalen1 = devpriv->dmabuf_size[1]; dmalen1 = devpriv->dmabuf_size[1];
DPRINTK("1 dmalen0=%d dmalen1=%d ai_data_len=%d\n", dmalen0, dmalen1, DPRINTK("1 dmalen0=%d dmalen1=%d ai_data_len=%d\n", dmalen0, dmalen1,
devpriv->ai_data_len); devpriv->ai_data_len);
// isn't output buff smaller that our DMA buff? /* isn't output buff smaller that our DMA buff? */
if (dmalen0 > (devpriv->ai_data_len)) { if (dmalen0 > (devpriv->ai_data_len)) {
dmalen0 = devpriv->ai_data_len & ~3L; // allign to 32bit down dmalen0 = devpriv->ai_data_len & ~3L; /* allign to 32bit down */
} }
if (dmalen1 > (devpriv->ai_data_len)) { if (dmalen1 > (devpriv->ai_data_len)) {
dmalen1 = devpriv->ai_data_len & ~3L; // allign to 32bit down dmalen1 = devpriv->ai_data_len & ~3L; /* allign to 32bit down */
} }
DPRINTK("2 dmalen0=%d dmalen1=%d \n", dmalen0, dmalen1); DPRINTK("2 dmalen0=%d dmalen1=%d \n", dmalen0, dmalen1);
// we want wake up every scan? /* we want wake up every scan? */
if (devpriv->ai_flags & TRIG_WAKE_EOS) { if (devpriv->ai_flags & TRIG_WAKE_EOS) {
if (dmalen0 < (devpriv->ai_n_realscanlen << 1)) { if (dmalen0 < (devpriv->ai_n_realscanlen << 1)) {
// uff, too short DMA buffer, disable EOS support! /* uff, too short DMA buffer, disable EOS support! */
devpriv->ai_flags &= (~TRIG_WAKE_EOS); devpriv->ai_flags &= (~TRIG_WAKE_EOS);
rt_printk rt_printk
("comedi%d: WAR: DMA0 buf too short, cann't support TRIG_WAKE_EOS (%d<%d)\n", ("comedi%d: WAR: DMA0 buf too short, cann't support TRIG_WAKE_EOS (%d<%d)\n",
dev->minor, dmalen0, dev->minor, dmalen0,
devpriv->ai_n_realscanlen << 1); devpriv->ai_n_realscanlen << 1);
} else { } else {
// short first DMA buffer to one scan /* short first DMA buffer to one scan */
dmalen0 = devpriv->ai_n_realscanlen << 1; dmalen0 = devpriv->ai_n_realscanlen << 1;
DPRINTK("21 dmalen0=%d ai_n_realscanlen=%d useeoshandle=%d\n", dmalen0, devpriv->ai_n_realscanlen, devpriv->useeoshandle); DPRINTK("21 dmalen0=%d ai_n_realscanlen=%d useeoshandle=%d\n", dmalen0, devpriv->ai_n_realscanlen, devpriv->useeoshandle);
if (devpriv->useeoshandle) if (devpriv->useeoshandle)
...@@ -1052,14 +1052,14 @@ static int Compute_and_setup_dma(struct comedi_device * dev) ...@@ -1052,14 +1052,14 @@ static int Compute_and_setup_dma(struct comedi_device * dev)
} }
if (devpriv->ai_flags & TRIG_WAKE_EOS) { if (devpriv->ai_flags & TRIG_WAKE_EOS) {
if (dmalen1 < (devpriv->ai_n_realscanlen << 1)) { if (dmalen1 < (devpriv->ai_n_realscanlen << 1)) {
// uff, too short DMA buffer, disable EOS support! /* uff, too short DMA buffer, disable EOS support! */
devpriv->ai_flags &= (~TRIG_WAKE_EOS); devpriv->ai_flags &= (~TRIG_WAKE_EOS);
rt_printk rt_printk
("comedi%d: WAR: DMA1 buf too short, cann't support TRIG_WAKE_EOS (%d<%d)\n", ("comedi%d: WAR: DMA1 buf too short, cann't support TRIG_WAKE_EOS (%d<%d)\n",
dev->minor, dmalen1, dev->minor, dmalen1,
devpriv->ai_n_realscanlen << 1); devpriv->ai_n_realscanlen << 1);
} else { } else {
// short second DMA buffer to one scan /* short second DMA buffer to one scan */
dmalen1 = devpriv->ai_n_realscanlen << 1; dmalen1 = devpriv->ai_n_realscanlen << 1;
DPRINTK("22 dmalen1=%d ai_n_realscanlen=%d useeoshandle=%d\n", dmalen1, devpriv->ai_n_realscanlen, devpriv->useeoshandle); DPRINTK("22 dmalen1=%d ai_n_realscanlen=%d useeoshandle=%d\n", dmalen1, devpriv->ai_n_realscanlen, devpriv->useeoshandle);
if (devpriv->useeoshandle) if (devpriv->useeoshandle)
...@@ -1074,26 +1074,26 @@ static int Compute_and_setup_dma(struct comedi_device * dev) ...@@ -1074,26 +1074,26 @@ static int Compute_and_setup_dma(struct comedi_device * dev)
} }
DPRINTK("3 dmalen0=%d dmalen1=%d \n", dmalen0, dmalen1); DPRINTK("3 dmalen0=%d dmalen1=%d \n", dmalen0, dmalen1);
// transfer without TRIG_WAKE_EOS /* transfer without TRIG_WAKE_EOS */
if (!(devpriv->ai_flags & TRIG_WAKE_EOS)) { if (!(devpriv->ai_flags & TRIG_WAKE_EOS)) {
// if it's possible then allign DMA buffers to length of scan /* if it's possible then allign DMA buffers to length of scan */
i = dmalen0; i = dmalen0;
dmalen0 = dmalen0 =
(dmalen0 / (devpriv->ai_n_realscanlen << 1)) * (dmalen0 / (devpriv->ai_n_realscanlen << 1)) *
(devpriv->ai_n_realscanlen << 1); (devpriv->ai_n_realscanlen << 1);
dmalen0 &= ~3L; dmalen0 &= ~3L;
if (!dmalen0) if (!dmalen0)
dmalen0 = i; // uff. very long scan? dmalen0 = i; /* uff. very long scan? */
i = dmalen1; i = dmalen1;
dmalen1 = dmalen1 =
(dmalen1 / (devpriv->ai_n_realscanlen << 1)) * (dmalen1 / (devpriv->ai_n_realscanlen << 1)) *
(devpriv->ai_n_realscanlen << 1); (devpriv->ai_n_realscanlen << 1);
dmalen1 &= ~3L; dmalen1 &= ~3L;
if (!dmalen1) if (!dmalen1)
dmalen1 = i; // uff. very long scan? dmalen1 = i; /* uff. very long scan? */
// if measure isn't neverending then test, if it whole fits into one or two DMA buffers /* if measure isn't neverending then test, if it whole fits into one or two DMA buffers */
if (!devpriv->ai_neverending) { if (!devpriv->ai_neverending) {
// fits whole measure into one DMA buffer? /* fits whole measure into one DMA buffer? */
if (dmalen0 > if (dmalen0 >
((devpriv->ai_n_realscanlen << 1) * ((devpriv->ai_n_realscanlen << 1) *
devpriv->ai_scans)) { devpriv->ai_scans)) {
...@@ -1104,7 +1104,7 @@ static int Compute_and_setup_dma(struct comedi_device * dev) ...@@ -1104,7 +1104,7 @@ static int Compute_and_setup_dma(struct comedi_device * dev)
DPRINTK("3.1 dmalen0=%d dmalen1=%d \n", dmalen0, DPRINTK("3.1 dmalen0=%d dmalen1=%d \n", dmalen0,
dmalen1); dmalen1);
dmalen0 &= ~3L; dmalen0 &= ~3L;
} else { // fits whole measure into two DMA buffer? } else { /* fits whole measure into two DMA buffer? */
if (dmalen1 > if (dmalen1 >
((devpriv->ai_n_realscanlen << 1) * ((devpriv->ai_n_realscanlen << 1) *
devpriv->ai_scans - dmalen0)) devpriv->ai_scans - dmalen0))
...@@ -1121,7 +1121,7 @@ static int Compute_and_setup_dma(struct comedi_device * dev) ...@@ -1121,7 +1121,7 @@ static int Compute_and_setup_dma(struct comedi_device * dev)
DPRINTK("4 dmalen0=%d dmalen1=%d \n", dmalen0, dmalen1); DPRINTK("4 dmalen0=%d dmalen1=%d \n", dmalen0, dmalen1);
// these DMA buffer size we'll be used /* these DMA buffer size we'll be used */
devpriv->dma_actbuf = 0; devpriv->dma_actbuf = 0;
devpriv->dmabuf_use_size[0] = dmalen0; devpriv->dmabuf_use_size[0] = dmalen0;
devpriv->dmabuf_use_size[1] = dmalen1; devpriv->dmabuf_use_size[1] = dmalen1;
...@@ -1143,18 +1143,18 @@ static int Compute_and_setup_dma(struct comedi_device * dev) ...@@ -1143,18 +1143,18 @@ static int Compute_and_setup_dma(struct comedi_device * dev)
} }
#endif #endif
outl(inl(devpriv->iobase_a + AMCC_OP_REG_MCSR) & (~EN_A2P_TRANSFERS), devpriv->iobase_a + AMCC_OP_REG_MCSR); // stop DMA outl(inl(devpriv->iobase_a + AMCC_OP_REG_MCSR) & (~EN_A2P_TRANSFERS), devpriv->iobase_a + AMCC_OP_REG_MCSR); /* stop DMA */
outl(devpriv->dmabuf_hw[0], devpriv->iobase_a + AMCC_OP_REG_MWAR); outl(devpriv->dmabuf_hw[0], devpriv->iobase_a + AMCC_OP_REG_MWAR);
outl(devpriv->dmabuf_use_size[0], devpriv->iobase_a + AMCC_OP_REG_MWTC); outl(devpriv->dmabuf_use_size[0], devpriv->iobase_a + AMCC_OP_REG_MWTC);
// init DMA transfer /* init DMA transfer */
outl(0x00000000 | AINT_WRITE_COMPL, outl(0x00000000 | AINT_WRITE_COMPL,
devpriv->iobase_a + AMCC_OP_REG_INTCSR); devpriv->iobase_a + AMCC_OP_REG_INTCSR);
// outl(0x02000000|AINT_WRITE_COMPL, devpriv->iobase_a+AMCC_OP_REG_INTCSR); /* outl(0x02000000|AINT_WRITE_COMPL, devpriv->iobase_a+AMCC_OP_REG_INTCSR); */
outl(inl(devpriv->iobase_a + outl(inl(devpriv->iobase_a +
AMCC_OP_REG_MCSR) | RESET_A2P_FLAGS | A2P_HI_PRIORITY | AMCC_OP_REG_MCSR) | RESET_A2P_FLAGS | A2P_HI_PRIORITY |
EN_A2P_TRANSFERS, devpriv->iobase_a + AMCC_OP_REG_MCSR); EN_A2P_TRANSFERS, devpriv->iobase_a + AMCC_OP_REG_MCSR);
outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | EN_A2P_TRANSFERS, devpriv->iobase_a + AMCC_OP_REG_INTCSR); // allow bus mastering outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | EN_A2P_TRANSFERS, devpriv->iobase_a + AMCC_OP_REG_INTCSR); /* allow bus mastering */
DPRINTK("adl_pci9118 EDBG: END: Compute_and_setup_dma()\n"); DPRINTK("adl_pci9118 EDBG: END: Compute_and_setup_dma()\n");
return 0; return 0;
...@@ -1186,17 +1186,17 @@ static int pci9118_ai_docmd_sampl(struct comedi_device * dev, struct comedi_subd ...@@ -1186,17 +1186,17 @@ static int pci9118_ai_docmd_sampl(struct comedi_device * dev, struct comedi_subd
return -EIO; return -EIO;
}; };
devpriv->int_ai_func = interrupt_pci9118_ai_onesample; //transfer function devpriv->int_ai_func = interrupt_pci9118_ai_onesample; /* transfer function */
if (devpriv->ai12_startstop) if (devpriv->ai12_startstop)
pci9118_exttrg_add(dev, EXTTRG_AI); // activate EXT trigger pci9118_exttrg_add(dev, EXTTRG_AI); /* activate EXT trigger */
if ((devpriv->ai_do == 1) || (devpriv->ai_do == 2)) if ((devpriv->ai_do == 1) || (devpriv->ai_do == 2))
devpriv->IntControlReg |= Int_Timer; devpriv->IntControlReg |= Int_Timer;
devpriv->AdControlReg |= AdControl_Int; devpriv->AdControlReg |= AdControl_Int;
outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | 0x1f00, devpriv->iobase_a + AMCC_OP_REG_INTCSR); // allow INT in AMCC outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | 0x1f00, devpriv->iobase_a + AMCC_OP_REG_INTCSR); /* allow INT in AMCC */
if (!(devpriv->ai12_startstop & (START_AI_EXT | START_AI_INT))) { if (!(devpriv->ai12_startstop & (START_AI_EXT | START_AI_INT))) {
outl(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL); outl(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL);
...@@ -1261,10 +1261,10 @@ static int pci9118_ai_docmd_dma(struct comedi_device * dev, struct comedi_subdev ...@@ -1261,10 +1261,10 @@ static int pci9118_ai_docmd_dma(struct comedi_device * dev, struct comedi_subdev
}; };
if (devpriv->ai12_startstop) { if (devpriv->ai12_startstop) {
pci9118_exttrg_add(dev, EXTTRG_AI); // activate EXT trigger pci9118_exttrg_add(dev, EXTTRG_AI); /* activate EXT trigger */
} }
devpriv->int_ai_func = interrupt_pci9118_ai_dma; //transfer function devpriv->int_ai_func = interrupt_pci9118_ai_dma; /* transfer function */
outl(0x02000000 | AINT_WRITE_COMPL, outl(0x02000000 | AINT_WRITE_COMPL,
devpriv->iobase_a + AMCC_OP_REG_INTCSR); devpriv->iobase_a + AMCC_OP_REG_INTCSR);
...@@ -1307,7 +1307,7 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice * ...@@ -1307,7 +1307,7 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice *
devpriv->ai_add_back = 0; devpriv->ai_add_back = 0;
devpriv->ai_maskerr = 0x10e; devpriv->ai_maskerr = 0x10e;
// prepare for start/stop conditions /* prepare for start/stop conditions */
if (cmd->start_src == TRIG_EXT) if (cmd->start_src == TRIG_EXT)
devpriv->ai12_startstop |= START_AI_EXT; devpriv->ai12_startstop |= START_AI_EXT;
if (cmd->stop_src == TRIG_EXT) { if (cmd->stop_src == TRIG_EXT) {
...@@ -1334,19 +1334,19 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice * ...@@ -1334,19 +1334,19 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice *
devpriv->ai_scans = 0; devpriv->ai_scans = 0;
} }
// use sample&hold signal? /* use sample&hold signal? */
if (cmd->convert_src == TRIG_NOW) { if (cmd->convert_src == TRIG_NOW) {
devpriv->usessh = 1; devpriv->usessh = 1;
} // yes } /* yes */
else { else {
devpriv->usessh = 0; devpriv->usessh = 0;
} // no } /* no */
DPRINTK("1 neverending=%d scans=%u usessh=%d ai_startstop=0x%2x\n", DPRINTK("1 neverending=%d scans=%u usessh=%d ai_startstop=0x%2x\n",
devpriv->ai_neverending, devpriv->ai_scans, devpriv->usessh, devpriv->ai_neverending, devpriv->ai_scans, devpriv->usessh,
devpriv->ai12_startstop); devpriv->ai12_startstop);
// use additional sample at end of every scan to satisty DMA 32 bit transfer? /* use additional sample at end of every scan to satisty DMA 32 bit transfer? */
devpriv->ai_add_front = 0; devpriv->ai_add_front = 0;
devpriv->ai_add_back = 0; devpriv->ai_add_back = 0;
devpriv->useeoshandle = 0; devpriv->useeoshandle = 0;
...@@ -1358,27 +1358,27 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice * ...@@ -1358,27 +1358,27 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice *
devpriv->ai_add_back = 1; devpriv->ai_add_back = 1;
} }
if (cmd->convert_src == TRIG_TIMER) { if (cmd->convert_src == TRIG_TIMER) {
devpriv->usedma = 0; // use INT transfer if scanlist have only one channel devpriv->usedma = 0; /* use INT transfer if scanlist have only one channel */
} }
} }
if ((cmd->flags & TRIG_WAKE_EOS) && if ((cmd->flags & TRIG_WAKE_EOS) &&
(devpriv->ai_n_scanlen & 1) && (devpriv->ai_n_scanlen & 1) &&
(devpriv->ai_n_scanlen > 1)) { (devpriv->ai_n_scanlen > 1)) {
if (cmd->scan_begin_src == TRIG_FOLLOW) { if (cmd->scan_begin_src == TRIG_FOLLOW) {
//vpriv->useeoshandle=1; // change DMA transfer block to fit EOS on every second call /* vpriv->useeoshandle=1; // change DMA transfer block to fit EOS on every second call */
devpriv->usedma = 0; // XXX maybe can be corrected to use 16 bit DMA devpriv->usedma = 0; /* XXX maybe can be corrected to use 16 bit DMA */
} else { // well, we must insert one sample to end of EOS to meet 32 bit transfer } else { /* well, we must insert one sample to end of EOS to meet 32 bit transfer */
devpriv->ai_add_back = 1; devpriv->ai_add_back = 1;
} }
} }
} else { // interrupt transfer don't need any correction } else { /* interrupt transfer don't need any correction */
devpriv->usedma = 0; devpriv->usedma = 0;
} }
// we need software S&H signal? It add two samples before every scan as minimum /* we need software S&H signal? It add two samples before every scan as minimum */
if (devpriv->usessh && devpriv->softsshdelay) { if (devpriv->usessh && devpriv->softsshdelay) {
devpriv->ai_add_front = 2; devpriv->ai_add_front = 2;
if ((devpriv->usedma == 1) && (devpriv->ai_add_back == 1)) { // move it to front if ((devpriv->usedma == 1) && (devpriv->ai_add_back == 1)) { /* move it to front */
devpriv->ai_add_front++; devpriv->ai_add_front++;
devpriv->ai_add_back = 0; devpriv->ai_add_back = 0;
} }
...@@ -1387,17 +1387,17 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice * ...@@ -1387,17 +1387,17 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice *
addchans = devpriv->softsshdelay / cmd->convert_arg; addchans = devpriv->softsshdelay / cmd->convert_arg;
if (devpriv->softsshdelay % cmd->convert_arg) if (devpriv->softsshdelay % cmd->convert_arg)
addchans++; addchans++;
if (addchans > (devpriv->ai_add_front - 1)) { // uff, still short :-( if (addchans > (devpriv->ai_add_front - 1)) { /* uff, still short :-( */
devpriv->ai_add_front = addchans + 1; devpriv->ai_add_front = addchans + 1;
if (devpriv->usedma == 1) if (devpriv->usedma == 1)
if ((devpriv->ai_add_front + if ((devpriv->ai_add_front +
devpriv->ai_n_chan + devpriv->ai_n_chan +
devpriv->ai_add_back) & 1) devpriv->ai_add_back) & 1)
devpriv->ai_add_front++; // round up to 32 bit devpriv->ai_add_front++; /* round up to 32 bit */
} }
} // well, we now know what must be all added } /* well, we now know what must be all added */
devpriv->ai_n_realscanlen = // what we must take from card in real to have ai_n_scanlen on output? devpriv->ai_n_realscanlen = /* what we must take from card in real to have ai_n_scanlen on output? */
(devpriv->ai_add_front + devpriv->ai_n_chan + (devpriv->ai_add_front + devpriv->ai_n_chan +
devpriv->ai_add_back) * (devpriv->ai_n_scanlen / devpriv->ai_add_back) * (devpriv->ai_n_scanlen /
devpriv->ai_n_chan); devpriv->ai_n_chan);
...@@ -1408,7 +1408,7 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice * ...@@ -1408,7 +1408,7 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice *
devpriv->ai_n_chan, devpriv->ai_add_back, devpriv->ai_n_chan, devpriv->ai_add_back,
devpriv->ai_n_scanlen); devpriv->ai_n_scanlen);
// check and setup channel list /* check and setup channel list */
if (!check_channel_list(dev, s, devpriv->ai_n_chan, if (!check_channel_list(dev, s, devpriv->ai_n_chan,
devpriv->ai_chanlist, devpriv->ai_add_front, devpriv->ai_chanlist, devpriv->ai_add_front,
devpriv->ai_add_back)) devpriv->ai_add_back))
...@@ -1419,9 +1419,9 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice * ...@@ -1419,9 +1419,9 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice *
devpriv->useeoshandle)) devpriv->useeoshandle))
return -EINVAL; return -EINVAL;
// compute timers settings /* compute timers settings */
// simplest way, fr=4Mhz/(tim1*tim2), channel manipulation without timers effect /* simplest way, fr=4Mhz/(tim1*tim2), channel manipulation without timers effect */
if (((cmd->scan_begin_src == TRIG_FOLLOW) || (cmd->scan_begin_src == TRIG_EXT) || (cmd->scan_begin_src == TRIG_INT)) && (cmd->convert_src == TRIG_TIMER)) { // both timer is used for one time if (((cmd->scan_begin_src == TRIG_FOLLOW) || (cmd->scan_begin_src == TRIG_EXT) || (cmd->scan_begin_src == TRIG_INT)) && (cmd->convert_src == TRIG_TIMER)) { /* both timer is used for one time */
if (cmd->scan_begin_src == TRIG_EXT) { if (cmd->scan_begin_src == TRIG_EXT) {
devpriv->ai_do = 4; devpriv->ai_do = 4;
} else { } else {
...@@ -1435,7 +1435,7 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice * ...@@ -1435,7 +1435,7 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice *
devpriv->ai_timer2 = cmd->convert_arg; devpriv->ai_timer2 = cmd->convert_arg;
} }
if ((cmd->scan_begin_src == TRIG_TIMER) && ((cmd->convert_src == TRIG_TIMER) || (cmd->convert_src == TRIG_NOW))) { // double timed action if ((cmd->scan_begin_src == TRIG_TIMER) && ((cmd->convert_src == TRIG_TIMER) || (cmd->convert_src == TRIG_NOW))) { /* double timed action */
if (!devpriv->usedma) { if (!devpriv->usedma) {
comedi_error(dev, comedi_error(dev,
"cmd->scan_begin_src=TRIG_TIMER works only with bus mastering!"); "cmd->scan_begin_src=TRIG_TIMER works only with bus mastering!");
...@@ -1457,15 +1457,15 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice * ...@@ -1457,15 +1457,15 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice *
devpriv->ai_do = 3; devpriv->ai_do = 3;
} }
start_pacer(dev, -1, 0, 0); // stop pacer start_pacer(dev, -1, 0, 0); /* stop pacer */
devpriv->AdControlReg = 0; // bipolar, S.E., use 8254, stop 8354, internal trigger, soft trigger, disable DMA devpriv->AdControlReg = 0; /* bipolar, S.E., use 8254, stop 8354, internal trigger, soft trigger, disable DMA */
outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL); outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL);
devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg; // positive triggers, no S&H, no burst, burst stop, no post trigger, no about trigger, trigger stop devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg; /* positive triggers, no S&H, no burst, burst stop, no post trigger, no about trigger, trigger stop */
outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC); outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC);
comedi_udelay(1); comedi_udelay(1);
outl(0, dev->iobase + PCI9118_DELFIFO); // flush FIFO outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
inl(dev->iobase + PCI9118_ADSTAT); // flush A/D and INT status register inl(dev->iobase + PCI9118_ADSTAT); /* flush A/D and INT status register */
inl(dev->iobase + PCI9118_INTSRC); inl(dev->iobase + PCI9118_INTSRC);
devpriv->ai_act_scan = 0; devpriv->ai_act_scan = 0;
...@@ -1505,11 +1505,11 @@ static int check_channel_list(struct comedi_device * dev, struct comedi_subdevic ...@@ -1505,11 +1505,11 @@ static int check_channel_list(struct comedi_device * dev, struct comedi_subdevic
} }
if (CR_AREF(chanlist[0]) == AREF_DIFF) if (CR_AREF(chanlist[0]) == AREF_DIFF)
differencial = 1; // all input must be diff differencial = 1; /* all input must be diff */
if (CR_RANGE(chanlist[0]) < PCI9118_BIPOLAR_RANGES) if (CR_RANGE(chanlist[0]) < PCI9118_BIPOLAR_RANGES)
bipolar = 1; // all input must be bipolar bipolar = 1; /* all input must be bipolar */
if (n_chan > 1) if (n_chan > 1)
for (i = 1; i < n_chan; i++) { // check S.E/diff for (i = 1; i < n_chan; i++) { /* check S.E/diff */
if ((CR_AREF(chanlist[i]) == AREF_DIFF) != if ((CR_AREF(chanlist[i]) == AREF_DIFF) !=
(differencial)) { (differencial)) {
comedi_error(dev, comedi_error(dev,
...@@ -1552,27 +1552,27 @@ static int setup_channel_list(struct comedi_device * dev, struct comedi_subdevic ...@@ -1552,27 +1552,27 @@ static int setup_channel_list(struct comedi_device * dev, struct comedi_subdevic
} }
if (CR_AREF(chanlist[0]) == AREF_DIFF) if (CR_AREF(chanlist[0]) == AREF_DIFF)
differencial = 1; // all input must be diff differencial = 1; /* all input must be diff */
if (CR_RANGE(chanlist[0]) < PCI9118_BIPOLAR_RANGES) if (CR_RANGE(chanlist[0]) < PCI9118_BIPOLAR_RANGES)
bipolar = 1; // all input must be bipolar bipolar = 1; /* all input must be bipolar */
// All is ok, so we can setup channel/range list /* All is ok, so we can setup channel/range list */
if (!bipolar) { if (!bipolar) {
devpriv->AdControlReg |= AdControl_UniP; // set unibipolar devpriv->AdControlReg |= AdControl_UniP; /* set unibipolar */
} else { } else {
devpriv->AdControlReg &= ((~AdControl_UniP) & 0xff); // enable bipolar devpriv->AdControlReg &= ((~AdControl_UniP) & 0xff); /* enable bipolar */
} }
if (differencial) { if (differencial) {
devpriv->AdControlReg |= AdControl_Diff; // enable diff inputs devpriv->AdControlReg |= AdControl_Diff; /* enable diff inputs */
} else { } else {
devpriv->AdControlReg &= ((~AdControl_Diff) & 0xff); // set single ended inputs devpriv->AdControlReg &= ((~AdControl_Diff) & 0xff); /* set single ended inputs */
} }
outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL); // setup mode outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL); /* setup mode */
outl(2, dev->iobase + PCI9118_SCANMOD); // gods know why this sequence! outl(2, dev->iobase + PCI9118_SCANMOD); /* gods know why this sequence! */
outl(0, dev->iobase + PCI9118_SCANMOD); outl(0, dev->iobase + PCI9118_SCANMOD);
outl(1, dev->iobase + PCI9118_SCANMOD); outl(1, dev->iobase + PCI9118_SCANMOD);
...@@ -1582,12 +1582,12 @@ static int setup_channel_list(struct comedi_device * dev, struct comedi_subdevic ...@@ -1582,12 +1582,12 @@ static int setup_channel_list(struct comedi_device * dev, struct comedi_subdevic
devpriv->chanlist[i] = 0x55aa; devpriv->chanlist[i] = 0x55aa;
#endif #endif
if (frontadd) { // insert channels for S&H if (frontadd) { /* insert channels for S&H */
ssh = devpriv->softsshsample; ssh = devpriv->softsshsample;
DPRINTK("FA: %04x: ", ssh); DPRINTK("FA: %04x: ", ssh);
for (i = 0; i < frontadd; i++) { // store range list to card for (i = 0; i < frontadd; i++) { /* store range list to card */
scanquad = CR_CHAN(chanlist[0]); // get channel number; scanquad = CR_CHAN(chanlist[0]); /* get channel number; */
gain = CR_RANGE(chanlist[0]); // get gain number gain = CR_RANGE(chanlist[0]); /* get gain number */
scanquad |= ((gain & 0x03) << 8); scanquad |= ((gain & 0x03) << 8);
outl(scanquad | ssh, dev->iobase + PCI9118_GAIN); outl(scanquad | ssh, dev->iobase + PCI9118_GAIN);
DPRINTK("%02x ", scanquad | ssh); DPRINTK("%02x ", scanquad | ssh);
...@@ -1597,23 +1597,23 @@ static int setup_channel_list(struct comedi_device * dev, struct comedi_subdevic ...@@ -1597,23 +1597,23 @@ static int setup_channel_list(struct comedi_device * dev, struct comedi_subdevic
} }
DPRINTK("SL: ", ssh); DPRINTK("SL: ", ssh);
for (i = 0; i < n_chan; i++) { // store range list to card for (i = 0; i < n_chan; i++) { /* store range list to card */
scanquad = CR_CHAN(chanlist[i]); // get channel number; scanquad = CR_CHAN(chanlist[i]); /* get channel number; */
#ifdef PCI9118_PARANOIDCHECK #ifdef PCI9118_PARANOIDCHECK
devpriv->chanlist[i ^ usedma] = (scanquad & 0xf) << rot; devpriv->chanlist[i ^ usedma] = (scanquad & 0xf) << rot;
#endif #endif
gain = CR_RANGE(chanlist[i]); // get gain number gain = CR_RANGE(chanlist[i]); /* get gain number */
scanquad |= ((gain & 0x03) << 8); scanquad |= ((gain & 0x03) << 8);
outl(scanquad | ssh, dev->iobase + PCI9118_GAIN); outl(scanquad | ssh, dev->iobase + PCI9118_GAIN);
DPRINTK("%02x ", scanquad | ssh); DPRINTK("%02x ", scanquad | ssh);
} }
DPRINTK("\n "); DPRINTK("\n ");
if (backadd) { // insert channels for fit onto 32bit DMA if (backadd) { /* insert channels for fit onto 32bit DMA */
DPRINTK("BA: %04x: ", ssh); DPRINTK("BA: %04x: ", ssh);
for (i = 0; i < backadd; i++) { // store range list to card for (i = 0; i < backadd; i++) { /* store range list to card */
scanquad = CR_CHAN(chanlist[0]); // get channel number; scanquad = CR_CHAN(chanlist[0]); /* get channel number; */
gain = CR_RANGE(chanlist[0]); // get gain number gain = CR_RANGE(chanlist[0]); /* get gain number */
scanquad |= ((gain & 0x03) << 8); scanquad |= ((gain & 0x03) << 8);
outl(scanquad | ssh, dev->iobase + PCI9118_GAIN); outl(scanquad | ssh, dev->iobase + PCI9118_GAIN);
DPRINTK("%02x ", scanquad | ssh); DPRINTK("%02x ", scanquad | ssh);
...@@ -1621,13 +1621,13 @@ static int setup_channel_list(struct comedi_device * dev, struct comedi_subdevic ...@@ -1621,13 +1621,13 @@ static int setup_channel_list(struct comedi_device * dev, struct comedi_subdevic
DPRINTK("\n "); DPRINTK("\n ");
} }
#ifdef PCI9118_PARANOIDCHECK #ifdef PCI9118_PARANOIDCHECK
devpriv->chanlist[n_chan ^ usedma] = devpriv->chanlist[0 ^ usedma]; // for 32bit oerations devpriv->chanlist[n_chan ^ usedma] = devpriv->chanlist[0 ^ usedma]; /* for 32bit oerations */
if (useeos) { if (useeos) {
for (i = 1; i < n_chan; i++) { // store range list to card for (i = 1; i < n_chan; i++) { /* store range list to card */
devpriv->chanlist[(n_chan + i) ^ usedma] = devpriv->chanlist[(n_chan + i) ^ usedma] =
(CR_CHAN(chanlist[i]) & 0xf) << rot; (CR_CHAN(chanlist[i]) & 0xf) << rot;
} }
devpriv->chanlist[(2 * n_chan) ^ usedma] = devpriv->chanlist[0 ^ usedma]; // for 32bit oerations devpriv->chanlist[(2 * n_chan) ^ usedma] = devpriv->chanlist[0 ^ usedma]; /* for 32bit oerations */
useeos = 2; useeos = 2;
} else { } else {
useeos = 1; useeos = 1;
...@@ -1640,11 +1640,11 @@ static int setup_channel_list(struct comedi_device * dev, struct comedi_subdevic ...@@ -1640,11 +1640,11 @@ static int setup_channel_list(struct comedi_device * dev, struct comedi_subdevic
DPRINTK("\n "); DPRINTK("\n ");
#endif #endif
#endif #endif
outl(0, dev->iobase + PCI9118_SCANMOD); // close scan queue outl(0, dev->iobase + PCI9118_SCANMOD); /* close scan queue */
// comedi_udelay(100); // important delay, or first sample will be cripled /* comedi_udelay(100); important delay, or first sample will be cripled */
DPRINTK("adl_pci9118 EDBG: END: setup_channel_list()\n"); DPRINTK("adl_pci9118 EDBG: END: setup_channel_list()\n");
return 1; // we can serve this with scan logic return 1; /* we can serve this with scan logic */
} }
/* /*
...@@ -1672,17 +1672,17 @@ static void pci9118_calc_divisors(char mode, struct comedi_device * dev, ...@@ -1672,17 +1672,17 @@ static void pci9118_calc_divisors(char mode, struct comedi_device * dev,
*tim2 = this_board->ai_ns_min; *tim2 = this_board->ai_ns_min;
DPRINTK("1 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2, DPRINTK("1 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2,
*tim1, *tim2); *tim1, *tim2);
*div1 = *tim2 / devpriv->i8254_osc_base; // convert timer (burst) *div1 = *tim2 / devpriv->i8254_osc_base; /* convert timer (burst) */
DPRINTK("2 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2, DPRINTK("2 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2,
*tim1, *tim2); *tim1, *tim2);
if (*div1 < this_board->ai_pacer_min) if (*div1 < this_board->ai_pacer_min)
*div1 = this_board->ai_pacer_min; *div1 = this_board->ai_pacer_min;
DPRINTK("3 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2, DPRINTK("3 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2,
*tim1, *tim2); *tim1, *tim2);
*div2 = *tim1 / devpriv->i8254_osc_base; // scan timer *div2 = *tim1 / devpriv->i8254_osc_base; /* scan timer */
DPRINTK("4 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2, DPRINTK("4 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2,
*tim1, *tim2); *tim1, *tim2);
*div2 = *div2 / *div1; // major timer is c1*c2 *div2 = *div2 / *div1; /* major timer is c1*c2 */
DPRINTK("5 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2, DPRINTK("5 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2,
*tim1, *tim2); *tim1, *tim2);
if (*div2 < chans) if (*div2 < chans)
...@@ -1690,9 +1690,9 @@ static void pci9118_calc_divisors(char mode, struct comedi_device * dev, ...@@ -1690,9 +1690,9 @@ static void pci9118_calc_divisors(char mode, struct comedi_device * dev,
DPRINTK("6 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2, DPRINTK("6 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2,
*tim1, *tim2); *tim1, *tim2);
*tim2 = *div1 * devpriv->i8254_osc_base; // real convert timer *tim2 = *div1 * devpriv->i8254_osc_base; /* real convert timer */
if (usessh & (chnsshfront == 0)) // use BSSH signal if (usessh & (chnsshfront == 0)) /* use BSSH signal */
if (*div2 < (chans + 2)) if (*div2 < (chans + 2))
*div2 = chans + 2; *div2 = chans + 2;
...@@ -1715,7 +1715,7 @@ static void start_pacer(struct comedi_device * dev, int mode, unsigned int divis ...@@ -1715,7 +1715,7 @@ static void start_pacer(struct comedi_device * dev, int mode, unsigned int divis
{ {
outl(0x74, dev->iobase + PCI9118_CNTCTRL); outl(0x74, dev->iobase + PCI9118_CNTCTRL);
outl(0xb4, dev->iobase + PCI9118_CNTCTRL); outl(0xb4, dev->iobase + PCI9118_CNTCTRL);
// outl(0x30, dev->iobase + PCI9118_CNTCTRL); /* outl(0x30, dev->iobase + PCI9118_CNTCTRL); */
comedi_udelay(1); comedi_udelay(1);
if ((mode == 1) || (mode == 2) || (mode == 4)) { if ((mode == 1) || (mode == 2) || (mode == 4)) {
...@@ -1732,11 +1732,11 @@ static void start_pacer(struct comedi_device * dev, int mode, unsigned int divis ...@@ -1732,11 +1732,11 @@ static void start_pacer(struct comedi_device * dev, int mode, unsigned int divis
static int pci9118_exttrg_add(struct comedi_device * dev, unsigned char source) static int pci9118_exttrg_add(struct comedi_device * dev, unsigned char source)
{ {
if (source > 3) if (source > 3)
return -1; // incorrect source return -1; /* incorrect source */
devpriv->exttrg_users |= (1 << source); devpriv->exttrg_users |= (1 << source);
devpriv->IntControlReg |= Int_DTrg; devpriv->IntControlReg |= Int_DTrg;
outl(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL); outl(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL);
outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | 0x1f00, devpriv->iobase_a + AMCC_OP_REG_INTCSR); // allow INT in AMCC outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | 0x1f00, devpriv->iobase_a + AMCC_OP_REG_INTCSR); /* allow INT in AMCC */
return 0; return 0;
} }
...@@ -1746,12 +1746,12 @@ static int pci9118_exttrg_add(struct comedi_device * dev, unsigned char source) ...@@ -1746,12 +1746,12 @@ static int pci9118_exttrg_add(struct comedi_device * dev, unsigned char source)
static int pci9118_exttrg_del(struct comedi_device * dev, unsigned char source) static int pci9118_exttrg_del(struct comedi_device * dev, unsigned char source)
{ {
if (source > 3) if (source > 3)
return -1; // incorrect source return -1; /* incorrect source */
devpriv->exttrg_users &= ~(1 << source); devpriv->exttrg_users &= ~(1 << source);
if (!devpriv->exttrg_users) { // shutdown ext trg intterrupts if (!devpriv->exttrg_users) { /* shutdown ext trg intterrupts */
devpriv->IntControlReg &= ~Int_DTrg; devpriv->IntControlReg &= ~Int_DTrg;
if (!devpriv->IntControlReg) // all IRQ disabled if (!devpriv->IntControlReg) /* all IRQ disabled */
outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) & (~0x00001f00), devpriv->iobase_a + AMCC_OP_REG_INTCSR); // disable int in AMCC outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) & (~0x00001f00), devpriv->iobase_a + AMCC_OP_REG_INTCSR); /* disable int in AMCC */
outl(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL); outl(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL);
} }
return 0; return 0;
...@@ -1763,17 +1763,17 @@ static int pci9118_exttrg_del(struct comedi_device * dev, unsigned char source) ...@@ -1763,17 +1763,17 @@ static int pci9118_exttrg_del(struct comedi_device * dev, unsigned char source)
static int pci9118_ai_cancel(struct comedi_device * dev, struct comedi_subdevice * s) static int pci9118_ai_cancel(struct comedi_device * dev, struct comedi_subdevice * s)
{ {
if (devpriv->usedma) if (devpriv->usedma)
outl(inl(devpriv->iobase_a + AMCC_OP_REG_MCSR) & (~EN_A2P_TRANSFERS), devpriv->iobase_a + AMCC_OP_REG_MCSR); // stop DMA outl(inl(devpriv->iobase_a + AMCC_OP_REG_MCSR) & (~EN_A2P_TRANSFERS), devpriv->iobase_a + AMCC_OP_REG_MCSR); /* stop DMA */
pci9118_exttrg_del(dev, EXTTRG_AI); pci9118_exttrg_del(dev, EXTTRG_AI);
start_pacer(dev, 0, 0, 0); // stop 8254 counters start_pacer(dev, 0, 0, 0); /* stop 8254 counters */
devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg; devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg;
outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC); // positive triggers, no S&H, no burst, burst stop, no post trigger, no about trigger, trigger stop outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC); /* positive triggers, no S&H, no burst, burst stop, no post trigger, no about trigger, trigger stop */
devpriv->AdControlReg = 0x00; devpriv->AdControlReg = 0x00;
outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL); // bipolar, S.E., use 8254, stop 8354, internal trigger, soft trigger, disable INT and DMA outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL); /* bipolar, S.E., use 8254, stop 8354, internal trigger, soft trigger, disable INT and DMA */
outl(0, dev->iobase + PCI9118_BURST); outl(0, dev->iobase + PCI9118_BURST);
outl(1, dev->iobase + PCI9118_SCANMOD); outl(1, dev->iobase + PCI9118_SCANMOD);
outl(2, dev->iobase + PCI9118_SCANMOD); // reset scan queue outl(2, dev->iobase + PCI9118_SCANMOD); /* reset scan queue */
outl(0, dev->iobase + PCI9118_DELFIFO); // flush FIFO outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
devpriv->ai_do = 0; devpriv->ai_do = 0;
devpriv->usedma = 0; devpriv->usedma = 0;
...@@ -1787,7 +1787,7 @@ static int pci9118_ai_cancel(struct comedi_device * dev, struct comedi_subdevice ...@@ -1787,7 +1787,7 @@ static int pci9118_ai_cancel(struct comedi_device * dev, struct comedi_subdevice
devpriv->dma_actbuf = 0; devpriv->dma_actbuf = 0;
if (!devpriv->IntControlReg) if (!devpriv->IntControlReg)
outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | 0x1f00, devpriv->iobase_a + AMCC_OP_REG_INTCSR); // allow INT in AMCC outl(inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR) | 0x1f00, devpriv->iobase_a + AMCC_OP_REG_INTCSR); /* allow INT in AMCC */
return 0; return 0;
} }
...@@ -1800,31 +1800,31 @@ static int pci9118_reset(struct comedi_device * dev) ...@@ -1800,31 +1800,31 @@ static int pci9118_reset(struct comedi_device * dev)
devpriv->IntControlReg = 0; devpriv->IntControlReg = 0;
devpriv->exttrg_users = 0; devpriv->exttrg_users = 0;
inl(dev->iobase + PCI9118_INTCTRL); inl(dev->iobase + PCI9118_INTCTRL);
outl(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL); // disable interrupts source outl(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL); /* disable interrupts source */
outl(0x30, dev->iobase + PCI9118_CNTCTRL); outl(0x30, dev->iobase + PCI9118_CNTCTRL);
// outl(0xb4, dev->iobase + PCI9118_CNTCTRL); /* outl(0xb4, dev->iobase + PCI9118_CNTCTRL); */
start_pacer(dev, 0, 0, 0); // stop 8254 counters start_pacer(dev, 0, 0, 0); /* stop 8254 counters */
devpriv->AdControlReg = 0; devpriv->AdControlReg = 0;
outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL); // bipolar, S.E., use 8254, stop 8354, internal trigger, soft trigger, disable INT and DMA outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL); /* bipolar, S.E., use 8254, stop 8354, internal trigger, soft trigger, disable INT and DMA */
outl(0, dev->iobase + PCI9118_BURST); outl(0, dev->iobase + PCI9118_BURST);
outl(1, dev->iobase + PCI9118_SCANMOD); outl(1, dev->iobase + PCI9118_SCANMOD);
outl(2, dev->iobase + PCI9118_SCANMOD); // reset scan queue outl(2, dev->iobase + PCI9118_SCANMOD); /* reset scan queue */
devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg; devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg;
outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC); // positive triggers, no S&H, no burst, burst stop, no post trigger, no about trigger, trigger stop outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC); /* positive triggers, no S&H, no burst, burst stop, no post trigger, no about trigger, trigger stop */
devpriv->ao_data[0] = 2047; devpriv->ao_data[0] = 2047;
devpriv->ao_data[1] = 2047; devpriv->ao_data[1] = 2047;
outl(devpriv->ao_data[0], dev->iobase + PCI9118_DA1); // reset A/D outs to 0V outl(devpriv->ao_data[0], dev->iobase + PCI9118_DA1); /* reset A/D outs to 0V */
outl(devpriv->ao_data[1], dev->iobase + PCI9118_DA2); outl(devpriv->ao_data[1], dev->iobase + PCI9118_DA2);
outl(0, dev->iobase + PCI9118_DO); // reset digi outs to L outl(0, dev->iobase + PCI9118_DO); /* reset digi outs to L */
comedi_udelay(10); comedi_udelay(10);
inl(dev->iobase + PCI9118_AD_DATA); inl(dev->iobase + PCI9118_AD_DATA);
outl(0, dev->iobase + PCI9118_DELFIFO); // flush FIFO outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
outl(0, dev->iobase + PCI9118_INTSRC); // remove INT requests outl(0, dev->iobase + PCI9118_INTSRC); /* remove INT requests */
inl(dev->iobase + PCI9118_ADSTAT); // flush A/D status register inl(dev->iobase + PCI9118_ADSTAT); /* flush A/D status register */
inl(dev->iobase + PCI9118_INTSRC); // flush INT requests inl(dev->iobase + PCI9118_INTSRC); /* flush INT requests */
devpriv->AdControlReg = 0; devpriv->AdControlReg = 0;
outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL); // bipolar, S.E., use 8254, stop 8354, internal trigger, soft trigger, disable INT and DMA outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL); /* bipolar, S.E., use 8254, stop 8354, internal trigger, soft trigger, disable INT and DMA */
devpriv->cnt0_users = 0; devpriv->cnt0_users = 0;
devpriv->exttrg_users = 0; devpriv->exttrg_users = 0;
...@@ -1854,7 +1854,7 @@ static int pci9118_attach(struct comedi_device * dev, struct comedi_devconfig * ...@@ -1854,7 +1854,7 @@ static int pci9118_attach(struct comedi_device * dev, struct comedi_devconfig *
opt_bus = it->options[0]; opt_bus = it->options[0];
opt_slot = it->options[1]; opt_slot = it->options[1];
if (it->options[3] & 1) { if (it->options[3] & 1) {
master = 0; // user don't want use bus master master = 0; /* user don't want use bus master */
} else { } else {
master = 1; master = 1;
} }
...@@ -1920,7 +1920,7 @@ static int pci9118_attach(struct comedi_device * dev, struct comedi_devconfig * ...@@ -1920,7 +1920,7 @@ static int pci9118_attach(struct comedi_device * dev, struct comedi_devconfig *
pci9118_reset(dev); pci9118_reset(dev);
if (it->options[3] & 2) if (it->options[3] & 2)
irq = 0; // user don't want use IRQ irq = 0; /* user don't want use IRQ */
if (irq > 0) { if (irq > 0) {
if (comedi_request_irq(irq, interrupt_pci9118, IRQF_SHARED, if (comedi_request_irq(irq, interrupt_pci9118, IRQF_SHARED,
"ADLink PCI-9118", dev)) { "ADLink PCI-9118", dev)) {
...@@ -1936,7 +1936,7 @@ static int pci9118_attach(struct comedi_device * dev, struct comedi_devconfig * ...@@ -1936,7 +1936,7 @@ static int pci9118_attach(struct comedi_device * dev, struct comedi_devconfig *
dev->irq = irq; dev->irq = irq;
if (master) { // alloc DMA buffers if (master) { /* alloc DMA buffers */
devpriv->dma_doublebuf = 0; devpriv->dma_doublebuf = 0;
for (i = 0; i < 2; i++) { for (i = 0; i < 2; i++) {
for (pages = 4; pages >= 0; pages--) for (pages = 4; pages >= 0; pages--)
...@@ -1974,16 +1974,16 @@ static int pci9118_attach(struct comedi_device * dev, struct comedi_devconfig * ...@@ -1974,16 +1974,16 @@ static int pci9118_attach(struct comedi_device * dev, struct comedi_devconfig *
if (it->options[2] > 0) { if (it->options[2] > 0) {
devpriv->usemux = it->options[2]; devpriv->usemux = it->options[2];
if (devpriv->usemux > 256) if (devpriv->usemux > 256)
devpriv->usemux = 256; // max 256 channels! devpriv->usemux = 256; /* max 256 channels! */
if (it->options[4] > 0) if (it->options[4] > 0)
if (devpriv->usemux > 128) { if (devpriv->usemux > 128) {
devpriv->usemux = 128; // max 128 channels with softare S&H! devpriv->usemux = 128; /* max 128 channels with softare S&H! */
} }
rt_printk(", ext. mux %d channels", devpriv->usemux); rt_printk(", ext. mux %d channels", devpriv->usemux);
} }
devpriv->softsshdelay = it->options[4]; devpriv->softsshdelay = it->options[4];
if (devpriv->softsshdelay < 0) { // select sample&hold signal polarity if (devpriv->softsshdelay < 0) { /* select sample&hold signal polarity */
devpriv->softsshdelay = -devpriv->softsshdelay; devpriv->softsshdelay = -devpriv->softsshdelay;
devpriv->softsshsample = 0x80; devpriv->softsshsample = 0x80;
devpriv->softsshhold = 0x00; devpriv->softsshhold = 0x00;
...@@ -1995,7 +1995,7 @@ static int pci9118_attach(struct comedi_device * dev, struct comedi_devconfig * ...@@ -1995,7 +1995,7 @@ static int pci9118_attach(struct comedi_device * dev, struct comedi_devconfig *
rt_printk(".\n"); rt_printk(".\n");
pci_read_config_word(devpriv->pcidev, PCI_COMMAND, &u16w); pci_read_config_word(devpriv->pcidev, PCI_COMMAND, &u16w);
pci_write_config_word(devpriv->pcidev, PCI_COMMAND, u16w | 64); // Enable parity check for parity error pci_write_config_word(devpriv->pcidev, PCI_COMMAND, u16w | 64); /* Enable parity check for parity error */
if ((ret = alloc_subdevices(dev, 4)) < 0) if ((ret = alloc_subdevices(dev, 4)) < 0)
return ret; return ret;
...@@ -2052,9 +2052,9 @@ static int pci9118_attach(struct comedi_device * dev, struct comedi_devconfig * ...@@ -2052,9 +2052,9 @@ static int pci9118_attach(struct comedi_device * dev, struct comedi_devconfig *
s->insn_bits = pci9118_insn_bits_do; s->insn_bits = pci9118_insn_bits_do;
devpriv->valid = 1; devpriv->valid = 1;
devpriv->i8254_osc_base = 250; // 250ns=4MHz devpriv->i8254_osc_base = 250; /* 250ns=4MHz */
devpriv->ai_maskharderr = 0x10a; // default measure crash condition devpriv->ai_maskharderr = 0x10a; /* default measure crash condition */
if (it->options[5]) // disable some requested if (it->options[5]) /* disable some requested */
devpriv->ai_maskharderr &= ~it->options[5]; devpriv->ai_maskharderr &= ~it->options[5];
switch (this_board->ai_maxdata) { switch (this_board->ai_maxdata) {
......
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