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Staging: comedi: remove C99 comments in adl_pci9118.c
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Bill Pemberton
Greg Kroah-Hartman
parent
14458b19e5
commit
0f04c35655
@ -107,7 +107,7 @@ Configuration options:
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#define PCI9118_INTSRC 0x38 /* R: interrupt reason register */
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#define PCI9118_INTCTRL 0x38 /* W: interrupt control register */
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// bits from A/D control register (PCI9118_ADCNTRL)
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/* bits from A/D control register (PCI9118_ADCNTRL) */
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#define AdControl_UniP 0x80 /* 1=bipolar, 0=unipolar */
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#define AdControl_Diff 0x40 /* 1=differential, 0= single end inputs */
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#define AdControl_SoftG 0x20 /* 1=8254 counter works, 0=counter stops */
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@ -117,7 +117,7 @@ Configuration options:
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#define AdControl_Int 0x02 /* 1=enable INT, 0=disable */
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#define AdControl_Dma 0x01 /* 1=enable DMA, 0=disable */
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// bits from A/D function register (PCI9118_ADFUNC)
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/* bits from A/D function register (PCI9118_ADFUNC) */
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#define AdFunction_PDTrg 0x80 /* 1=positive, 0=negative digital trigger (only positive is correct) */
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#define AdFunction_PETrg 0x40 /* 1=positive, 0=negative external trigger (only positive is correct) */
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#define AdFunction_BSSH 0x20 /* 1=with sample&hold, 0=without */
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@ -127,7 +127,7 @@ Configuration options:
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#define AdFunction_AM 0x02 /* 1=about trigger mode, 0=not about trigger */
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#define AdFunction_Start 0x01 /* 1=trigger start, 0=trigger stop */
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// bits from A/D status register (PCI9118_ADSTAT)
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/* bits from A/D status register (PCI9118_ADSTAT) */
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#define AdStatus_nFull 0x100 /* 0=FIFO full (fatal), 1=not full */
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#define AdStatus_nHfull 0x080 /* 0=FIFO half full, 1=FIFO not half full */
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#define AdStatus_nEpty 0x040 /* 0=FIFO empty, 1=FIFO not empty */
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@ -138,8 +138,8 @@ Configuration options:
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#define AdStatus_ADOR 0x002 /* 1=A/D overrun (fatal) */
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#define AdStatus_ADrdy 0x001 /* 1=A/D already ready, 0=not ready */
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// bits for interrupt reason and control (PCI9118_INTSRC, PCI9118_INTCTRL)
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// 1=interrupt occur, enable source, 0=interrupt not occur, disable source
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/* bits for interrupt reason and control (PCI9118_INTSRC, PCI9118_INTCTRL) */
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/* 1=interrupt occur, enable source, 0=interrupt not occur, disable source */
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#define Int_Timer 0x08 /* timer interrupt */
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#define Int_About 0x04 /* about trigger complete */
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#define Int_Hfull 0x02 /* A/D FIFO hlaf full */
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@ -182,23 +182,23 @@ static int pci9118_attach(struct comedi_device * dev, struct comedi_devconfig *
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static int pci9118_detach(struct comedi_device * dev);
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struct boardtype {
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const char *name; // board name
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int vendor_id; // PCI vendor a device ID of card
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const char *name; /* board name */
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int vendor_id; /* PCI vendor a device ID of card */
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int device_id;
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int iorange_amcc; // iorange for own S5933 region
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int iorange_9118; // pass thru card region size
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int n_aichan; // num of A/D chans
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int n_aichand; // num of A/D chans in diff mode
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int mux_aichan; // num of A/D chans with external multiplexor
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int n_aichanlist; // len of chanlist
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int n_aochan; // num of D/A chans
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int ai_maxdata; // resolution of A/D
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int ao_maxdata; // resolution of D/A
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const struct comedi_lrange *rangelist_ai; // rangelist for A/D
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const struct comedi_lrange *rangelist_ao; // rangelist for D/A
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unsigned int ai_ns_min; // max sample speed of card v ns
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unsigned int ai_pacer_min; // minimal pacer value (c1*c2 or c1 in burst)
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int half_fifo_size; // size of FIFO/2
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int iorange_amcc; /* iorange for own S5933 region */
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int iorange_9118; /* pass thru card region size */
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int n_aichan; /* num of A/D chans */
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int n_aichand; /* num of A/D chans in diff mode */
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int mux_aichan; /* num of A/D chans with external multiplexor */
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int n_aichanlist; /* len of chanlist */
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int n_aochan; /* num of D/A chans */
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int ai_maxdata; /* resolution of A/D */
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int ao_maxdata; /* resolution of D/A */
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const struct comedi_lrange *rangelist_ai; /* rangelist for A/D */
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const struct comedi_lrange *rangelist_ao; /* rangelist for D/A */
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unsigned int ai_ns_min; /* max sample speed of card v ns */
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unsigned int ai_pacer_min; /* minimal pacer value (c1*c2 or c1 in burst) */
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int half_fifo_size; /* size of FIFO/2 */
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};
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@ -242,63 +242,63 @@ static struct comedi_driver driver_pci9118 = {
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COMEDI_PCI_INITCLEANUP(driver_pci9118, pci9118_pci_table);
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struct pci9118_private {
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unsigned long iobase_a; // base+size for AMCC chip
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unsigned int master; // master capable
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struct pci_dev *pcidev; // ptr to actual pcidev
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unsigned int usemux; // we want to use external multiplexor!
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unsigned long iobase_a; /* base+size for AMCC chip */
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unsigned int master; /* master capable */
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struct pci_dev *pcidev; /* ptr to actual pcidev */
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unsigned int usemux; /* we want to use external multiplexor! */
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#ifdef PCI9118_PARANOIDCHECK
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unsigned short chanlist[PCI9118_CHANLEN + 1]; // list of scaned channel
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unsigned char chanlistlen; // number of scanlist
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unsigned short chanlist[PCI9118_CHANLEN + 1]; /* list of scaned channel */
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unsigned char chanlistlen; /* number of scanlist */
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#endif
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unsigned char AdControlReg; // A/D control register
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unsigned char IntControlReg; // Interrupt control register
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unsigned char AdFunctionReg; // A/D function register
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char valid; // driver is ok
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char ai_neverending; // we do unlimited AI
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unsigned int i8254_osc_base; // frequence of onboard oscilator
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unsigned int ai_do; // what do AI? 0=nothing, 1 to 4 mode
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unsigned int ai_act_scan; // how many scans we finished
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unsigned int ai_buf_ptr; // data buffer ptr in samples
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unsigned int ai_n_chan; // how many channels is measured
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unsigned int ai_n_scanlen; // len of actual scanlist
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unsigned int ai_n_realscanlen; // what we must transfer for one outgoing scan include front/back adds
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unsigned int ai_act_dmapos; // position in actual real stream
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unsigned int ai_add_front; // how many channels we must add before scan to satisfy S&H?
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unsigned int ai_add_back; // how many channels we must add before scan to satisfy DMA?
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unsigned int *ai_chanlist; // actaul chanlist
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unsigned char AdControlReg; /* A/D control register */
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unsigned char IntControlReg; /* Interrupt control register */
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unsigned char AdFunctionReg; /* A/D function register */
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char valid; /* driver is ok */
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char ai_neverending; /* we do unlimited AI */
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unsigned int i8254_osc_base; /* frequence of onboard oscilator */
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unsigned int ai_do; /* what do AI? 0=nothing, 1 to 4 mode */
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unsigned int ai_act_scan; /* how many scans we finished */
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unsigned int ai_buf_ptr; /* data buffer ptr in samples */
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unsigned int ai_n_chan; /* how many channels is measured */
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unsigned int ai_n_scanlen; /* len of actual scanlist */
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unsigned int ai_n_realscanlen; /* what we must transfer for one outgoing scan include front/back adds */
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unsigned int ai_act_dmapos; /* position in actual real stream */
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unsigned int ai_add_front; /* how many channels we must add before scan to satisfy S&H? */
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unsigned int ai_add_back; /* how many channels we must add before scan to satisfy DMA? */
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unsigned int *ai_chanlist; /* actaul chanlist */
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unsigned int ai_timer1;
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unsigned int ai_timer2;
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unsigned int ai_flags;
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char ai12_startstop; // measure can start/stop on external trigger
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unsigned int ai_divisor1, ai_divisor2; // divisors for start of measure on external start
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char ai12_startstop; /* measure can start/stop on external trigger */
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unsigned int ai_divisor1, ai_divisor2; /* divisors for start of measure on external start */
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unsigned int ai_data_len;
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short *ai_data;
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short ao_data[2]; // data output buffer
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unsigned int ai_scans; // number of scans to do
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char dma_doublebuf; // we can use double buffring
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unsigned int dma_actbuf; // which buffer is used now
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short *dmabuf_virt[2]; // pointers to begin of DMA buffer
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unsigned long dmabuf_hw[2]; // hw address of DMA buff
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unsigned int dmabuf_size[2]; // size of dma buffer in bytes
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unsigned int dmabuf_use_size[2]; // which size we may now used for transfer
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unsigned int dmabuf_used_size[2]; // which size was trully used
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short ao_data[2]; /* data output buffer */
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unsigned int ai_scans; /* number of scans to do */
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char dma_doublebuf; /* we can use double buffring */
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unsigned int dma_actbuf; /* which buffer is used now */
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short *dmabuf_virt[2]; /* pointers to begin of DMA buffer */
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unsigned long dmabuf_hw[2]; /* hw address of DMA buff */
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unsigned int dmabuf_size[2]; /* size of dma buffer in bytes */
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unsigned int dmabuf_use_size[2]; /* which size we may now used for transfer */
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unsigned int dmabuf_used_size[2]; /* which size was trully used */
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unsigned int dmabuf_panic_size[2];
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unsigned int dmabuf_samples[2]; // size in samples
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int dmabuf_pages[2]; // number of pages in buffer
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unsigned char cnt0_users; // bit field of 8254 CNT0 users (0-unused, 1-AO, 2-DI, 3-DO)
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unsigned char exttrg_users; // bit field of external trigger users (0-AI, 1-AO, 2-DI, 3-DO)
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unsigned int cnt0_divisor; // actual CNT0 divisor
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void (*int_ai_func) (struct comedi_device *, struct comedi_subdevice *, unsigned short, unsigned int, unsigned short); // ptr to actual interrupt AI function
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unsigned char ai16bits; // =1 16 bit card
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unsigned char usedma; // =1 use DMA transfer and not INT
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unsigned char useeoshandle; // =1 change WAKE_EOS DMA transfer to fit on every second
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unsigned char usessh; // =1 turn on S&H support
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int softsshdelay; // >0 use software S&H, numer is requested delay in ns
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unsigned char softsshsample; // polarity of S&H signal in sample state
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unsigned char softsshhold; // polarity of S&H signal in hold state
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unsigned int ai_maskerr; // which warning was printed
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unsigned int ai_maskharderr; // on which error bits stops
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unsigned int ai_inttrig_start; // TRIG_INT for start
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unsigned int dmabuf_samples[2]; /* size in samples */
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int dmabuf_pages[2]; /* number of pages in buffer */
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unsigned char cnt0_users; /* bit field of 8254 CNT0 users (0-unused, 1-AO, 2-DI, 3-DO) */
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unsigned char exttrg_users; /* bit field of external trigger users (0-AI, 1-AO, 2-DI, 3-DO) */
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unsigned int cnt0_divisor; /* actual CNT0 divisor */
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void (*int_ai_func) (struct comedi_device *, struct comedi_subdevice *, unsigned short, unsigned int, unsigned short); /* ptr to actual interrupt AI function */
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unsigned char ai16bits; /* =1 16 bit card */
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unsigned char usedma; /* =1 use DMA transfer and not INT */
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unsigned char useeoshandle; /* =1 change WAKE_EOS DMA transfer to fit on every second */
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unsigned char usessh; /* =1 turn on S&H support */
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int softsshdelay; /* >0 use software S&H, numer is requested delay in ns */
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unsigned char softsshsample; /* polarity of S&H signal in sample state */
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unsigned char softsshhold; /* polarity of S&H signal in hold state */
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unsigned int ai_maskerr; /* which warning was printed */
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unsigned int ai_maskharderr; /* on which error bits stops */
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unsigned int ai_inttrig_start; /* TRIG_INT for start */
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};
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#define devpriv ((struct pci9118_private *)dev->private)
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@ -335,12 +335,12 @@ static int pci9118_insn_read_ai(struct comedi_device * dev, struct comedi_subdev
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devpriv->AdControlReg = AdControl_Int & 0xff;
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devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg;
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outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC); // positive triggers, no S&H, no burst, burst stop, no post trigger, no about trigger, trigger stop
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outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC); /* positive triggers, no S&H, no burst, burst stop, no post trigger, no about trigger, trigger stop */
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if (!setup_channel_list(dev, s, 1, &insn->chanspec, 0, 0, 0, 0, 0))
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return -EINVAL;
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outl(0, dev->iobase + PCI9118_DELFIFO); // flush FIFO
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outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
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for (n = 0; n < insn->n; n++) {
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outw(0, dev->iobase + PCI9118_SOFTTRG); /* start conversion */
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@ -354,7 +354,7 @@ static int pci9118_insn_read_ai(struct comedi_device * dev, struct comedi_subdev
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comedi_error(dev, "A/D insn timeout");
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data[n] = 0;
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outl(0, dev->iobase + PCI9118_DELFIFO); // flush FIFO
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outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
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return -ETIME;
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conv_finish:
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@ -369,7 +369,7 @@ static int pci9118_insn_read_ai(struct comedi_device * dev, struct comedi_subdev
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}
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}
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outl(0, dev->iobase + PCI9118_DELFIFO); // flush FIFO
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outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
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return n;
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}
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@ -567,7 +567,7 @@ static void interrupt_pci9118_ai_onesample(struct comedi_device * dev,
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#ifdef PCI9118_PARANOIDCHECK
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if (devpriv->ai16bits == 0) {
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if ((sampl & 0x000f) != devpriv->chanlist[s->async->cur_chan]) { // data dropout!
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if ((sampl & 0x000f) != devpriv->chanlist[s->async->cur_chan]) { /* data dropout! */
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rt_printk
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("comedi: A/D SAMPL - data dropout: received channel %d, expected %d!\n",
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sampl & 0x000f,
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@ -621,14 +621,14 @@ static void interrupt_pci9118_ai_dma(struct comedi_device * dev, struct comedi_s
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}
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if (int_adstat & devpriv->ai_maskerr)
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// if (int_adstat & 0x106)
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/* if (int_adstat & 0x106) */
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if (pci9118_decode_error_status(dev, s, int_adstat))
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return;
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samplesinbuf = devpriv->dmabuf_use_size[devpriv->dma_actbuf] >> 1; // number of received real samples
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// DPRINTK("dma_actbuf=%d\n",devpriv->dma_actbuf);
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samplesinbuf = devpriv->dmabuf_use_size[devpriv->dma_actbuf] >> 1; /* number of received real samples */
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/* DPRINTK("dma_actbuf=%d\n",devpriv->dma_actbuf); */
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if (devpriv->dma_doublebuf) { // switch DMA buffers if is used double buffering
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if (devpriv->dma_doublebuf) { /* switch DMA buffers if is used double buffering */
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next_dma_buf = 1 - devpriv->dma_actbuf;
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outl(devpriv->dmabuf_hw[next_dma_buf],
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devpriv->iobase_a + AMCC_OP_REG_MWAR);
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@ -641,15 +641,15 @@ static void interrupt_pci9118_ai_dma(struct comedi_device * dev, struct comedi_s
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}
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if (samplesinbuf) {
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m = devpriv->ai_data_len >> 1; // how many samples is to end of buffer
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// DPRINTK("samps=%d m=%d %d %d\n",samplesinbuf,m,s->async->buf_int_count,s->async->buf_int_ptr);
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m = devpriv->ai_data_len >> 1; /* how many samples is to end of buffer */
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/* DPRINTK("samps=%d m=%d %d %d\n",samplesinbuf,m,s->async->buf_int_count,s->async->buf_int_ptr); */
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sampls = m;
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move_block_from_dma(dev, s,
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devpriv->dmabuf_virt[devpriv->dma_actbuf],
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samplesinbuf);
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m = m - sampls; // m= how many samples was transfered
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m = m - sampls; /* m= how many samples was transfered */
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}
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// DPRINTK("YYY\n");
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/* DPRINTK("YYY\n"); */
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if (!devpriv->ai_neverending)
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if (devpriv->ai_act_scan >= devpriv->ai_scans) { /* all data sampled */
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@ -657,9 +657,9 @@ static void interrupt_pci9118_ai_dma(struct comedi_device * dev, struct comedi_s
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s->async->events |= COMEDI_CB_EOA;
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}
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if (devpriv->dma_doublebuf) { // switch dma buffers
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if (devpriv->dma_doublebuf) { /* switch dma buffers */
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devpriv->dma_actbuf = 1 - devpriv->dma_actbuf;
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} else { // restart DMA if is not used double buffering
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} else { /* restart DMA if is not used double buffering */
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outl(devpriv->dmabuf_hw[0],
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devpriv->iobase_a + AMCC_OP_REG_MWAR);
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outl(devpriv->dmabuf_use_size[0],
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@ -680,30 +680,30 @@ static irqreturn_t interrupt_pci9118(int irq, void *d PT_REGS_ARG)
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unsigned int int_daq = 0, int_amcc, int_adstat;
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if (!dev->attached)
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return IRQ_NONE; // not fully initialized
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return IRQ_NONE; /* not fully initialized */
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int_daq = inl(dev->iobase + PCI9118_INTSRC) & 0xf; // get IRQ reasons from card
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int_amcc = inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR); // get INT register from AMCC chip
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int_daq = inl(dev->iobase + PCI9118_INTSRC) & 0xf; /* get IRQ reasons from card */
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int_amcc = inl(devpriv->iobase_a + AMCC_OP_REG_INTCSR); /* get INT register from AMCC chip */
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// 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);
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/* 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); */
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if ((!int_daq) && (!(int_amcc & ANY_S593X_INT)))
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return IRQ_NONE; // interrupt from other source
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return IRQ_NONE; /* interrupt from other source */
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outl(int_amcc | 0x00ff0000, devpriv->iobase_a + AMCC_OP_REG_INTCSR); // shutdown IRQ reasons in AMCC
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outl(int_amcc | 0x00ff0000, devpriv->iobase_a + AMCC_OP_REG_INTCSR); /* shutdown IRQ reasons in AMCC */
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int_adstat = inw(dev->iobase + PCI9118_ADSTAT) & 0x1ff; // get STATUS register
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int_adstat = inw(dev->iobase + PCI9118_ADSTAT) & 0x1ff; /* get STATUS register */
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if (devpriv->ai_do) {
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if (devpriv->ai12_startstop)
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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) {
|
||||
devpriv->ai12_startstop &=
|
||||
~START_AI_EXT;
|
||||
if (!(devpriv->ai12_startstop &
|
||||
STOP_AI_EXT))
|
||||
pci9118_exttrg_del(dev, EXTTRG_AI); // deactivate EXT trigger
|
||||
start_pacer(dev, devpriv->ai_do, devpriv->ai_divisor1, devpriv->ai_divisor2); // start pacer
|
||||
pci9118_exttrg_del(dev, EXTTRG_AI); /* deactivate EXT trigger */
|
||||
start_pacer(dev, devpriv->ai_do, devpriv->ai_divisor1, devpriv->ai_divisor2); /* start pacer */
|
||||
outl(devpriv->AdControlReg,
|
||||
dev->iobase + PCI9118_ADCNTRL);
|
||||
} else {
|
||||
@ -711,8 +711,8 @@ static irqreturn_t interrupt_pci9118(int irq, void *d PT_REGS_ARG)
|
||||
ai12_startstop & STOP_AI_EXT) {
|
||||
devpriv->ai12_startstop &=
|
||||
~STOP_AI_EXT;
|
||||
pci9118_exttrg_del(dev, EXTTRG_AI); // deactivate EXT trigger
|
||||
devpriv->ai_neverending = 0; //well, on next interrupt from DMA/EOC measure will stop
|
||||
pci9118_exttrg_del(dev, EXTTRG_AI); /* deactivate EXT trigger */
|
||||
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
|
||||
|
||||
if (cmd->scan_begin_src == TRIG_TIMER) {
|
||||
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,
|
||||
&divisor2, &cmd->scan_begin_arg,
|
||||
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)
|
||||
cmd->scan_begin_arg = this_board->ai_ns_min;
|
||||
if (tmp != cmd->scan_begin_arg)
|
||||
@ -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,
|
||||
&divisor2, &cmd->convert_arg,
|
||||
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)
|
||||
cmd->convert_arg = this_board->ai_ns_min;
|
||||
if (tmp != cmd->convert_arg)
|
||||
@ -979,7 +979,7 @@ static int pci9118_ai_cmdtest(struct comedi_device * dev, struct comedi_subdevic
|
||||
cmd->scan_begin_arg =
|
||||
this_board->ai_ns_min *
|
||||
(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++;
|
||||
}
|
||||
} else {
|
||||
@ -988,7 +988,7 @@ static int pci9118_ai_cmdtest(struct comedi_device * dev, struct comedi_subdevic
|
||||
cmd->scan_begin_arg =
|
||||
cmd->convert_arg *
|
||||
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++;
|
||||
}
|
||||
}
|
||||
@ -1001,7 +1001,7 @@ static int pci9118_ai_cmdtest(struct comedi_device * dev, struct comedi_subdevic
|
||||
if (cmd->chanlist)
|
||||
if (!check_channel_list(dev, s, cmd->chanlist_len,
|
||||
cmd->chanlist, 0, 0))
|
||||
return 5; // incorrect channels list
|
||||
return 5; /* incorrect channels list */
|
||||
|
||||
return 0;
|
||||
}
|
||||
@ -1018,26 +1018,26 @@ static int Compute_and_setup_dma(struct comedi_device * dev)
|
||||
dmalen1 = devpriv->dmabuf_size[1];
|
||||
DPRINTK("1 dmalen0=%d dmalen1=%d ai_data_len=%d\n", dmalen0, dmalen1,
|
||||
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)) {
|
||||
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)) {
|
||||
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);
|
||||
|
||||
// we want wake up every scan?
|
||||
/* we want wake up every scan? */
|
||||
if (devpriv->ai_flags & TRIG_WAKE_EOS) {
|
||||
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);
|
||||
rt_printk
|
||||
("comedi%d: WAR: DMA0 buf too short, cann't support TRIG_WAKE_EOS (%d<%d)\n",
|
||||
dev->minor, dmalen0,
|
||||
devpriv->ai_n_realscanlen << 1);
|
||||
} else {
|
||||
// short first DMA buffer to one scan
|
||||
/* short first DMA buffer to one scan */
|
||||
dmalen0 = devpriv->ai_n_realscanlen << 1;
|
||||
DPRINTK("21 dmalen0=%d ai_n_realscanlen=%d useeoshandle=%d\n", dmalen0, devpriv->ai_n_realscanlen, devpriv->useeoshandle);
|
||||
if (devpriv->useeoshandle)
|
||||
@ -1052,14 +1052,14 @@ static int Compute_and_setup_dma(struct comedi_device * dev)
|
||||
}
|
||||
if (devpriv->ai_flags & TRIG_WAKE_EOS) {
|
||||
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);
|
||||
rt_printk
|
||||
("comedi%d: WAR: DMA1 buf too short, cann't support TRIG_WAKE_EOS (%d<%d)\n",
|
||||
dev->minor, dmalen1,
|
||||
devpriv->ai_n_realscanlen << 1);
|
||||
} else {
|
||||
// short second DMA buffer to one scan
|
||||
/* short second DMA buffer to one scan */
|
||||
dmalen1 = devpriv->ai_n_realscanlen << 1;
|
||||
DPRINTK("22 dmalen1=%d ai_n_realscanlen=%d useeoshandle=%d\n", dmalen1, devpriv->ai_n_realscanlen, devpriv->useeoshandle);
|
||||
if (devpriv->useeoshandle)
|
||||
@ -1074,26 +1074,26 @@ static int Compute_and_setup_dma(struct comedi_device * dev)
|
||||
}
|
||||
|
||||
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 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;
|
||||
dmalen0 =
|
||||
(dmalen0 / (devpriv->ai_n_realscanlen << 1)) *
|
||||
(devpriv->ai_n_realscanlen << 1);
|
||||
dmalen0 &= ~3L;
|
||||
if (!dmalen0)
|
||||
dmalen0 = i; // uff. very long scan?
|
||||
dmalen0 = i; /* uff. very long scan? */
|
||||
i = dmalen1;
|
||||
dmalen1 =
|
||||
(dmalen1 / (devpriv->ai_n_realscanlen << 1)) *
|
||||
(devpriv->ai_n_realscanlen << 1);
|
||||
dmalen1 &= ~3L;
|
||||
if (!dmalen1)
|
||||
dmalen1 = i; // uff. very long scan?
|
||||
// if measure isn't neverending then test, if it whole fits into one or two DMA buffers
|
||||
dmalen1 = i; /* uff. very long scan? */
|
||||
/* if measure isn't neverending then test, if it whole fits into one or two DMA buffers */
|
||||
if (!devpriv->ai_neverending) {
|
||||
// fits whole measure into one DMA buffer?
|
||||
/* fits whole measure into one DMA buffer? */
|
||||
if (dmalen0 >
|
||||
((devpriv->ai_n_realscanlen << 1) *
|
||||
devpriv->ai_scans)) {
|
||||
@ -1104,7 +1104,7 @@ static int Compute_and_setup_dma(struct comedi_device * dev)
|
||||
DPRINTK("3.1 dmalen0=%d dmalen1=%d \n", dmalen0,
|
||||
dmalen1);
|
||||
dmalen0 &= ~3L;
|
||||
} else { // fits whole measure into two DMA buffer?
|
||||
} else { /* fits whole measure into two DMA buffer? */
|
||||
if (dmalen1 >
|
||||
((devpriv->ai_n_realscanlen << 1) *
|
||||
devpriv->ai_scans - dmalen0))
|
||||
@ -1121,7 +1121,7 @@ static int Compute_and_setup_dma(struct comedi_device * dev)
|
||||
|
||||
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->dmabuf_use_size[0] = dmalen0;
|
||||
devpriv->dmabuf_use_size[1] = dmalen1;
|
||||
@ -1143,18 +1143,18 @@ static int Compute_and_setup_dma(struct comedi_device * dev)
|
||||
}
|
||||
#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_use_size[0], devpriv->iobase_a + AMCC_OP_REG_MWTC);
|
||||
// init DMA transfer
|
||||
/* init DMA transfer */
|
||||
outl(0x00000000 | AINT_WRITE_COMPL,
|
||||
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 +
|
||||
AMCC_OP_REG_MCSR) | RESET_A2P_FLAGS | A2P_HI_PRIORITY |
|
||||
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");
|
||||
return 0;
|
||||
@ -1186,17 +1186,17 @@ static int pci9118_ai_docmd_sampl(struct comedi_device * dev, struct comedi_subd
|
||||
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)
|
||||
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))
|
||||
devpriv->IntControlReg |= Int_Timer;
|
||||
|
||||
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))) {
|
||||
outl(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL);
|
||||
@ -1261,10 +1261,10 @@ static int pci9118_ai_docmd_dma(struct comedi_device * dev, struct comedi_subdev
|
||||
};
|
||||
|
||||
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,
|
||||
devpriv->iobase_a + AMCC_OP_REG_INTCSR);
|
||||
@ -1307,7 +1307,7 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice *
|
||||
devpriv->ai_add_back = 0;
|
||||
devpriv->ai_maskerr = 0x10e;
|
||||
|
||||
// prepare for start/stop conditions
|
||||
/* prepare for start/stop conditions */
|
||||
if (cmd->start_src == TRIG_EXT)
|
||||
devpriv->ai12_startstop |= START_AI_EXT;
|
||||
if (cmd->stop_src == TRIG_EXT) {
|
||||
@ -1334,19 +1334,19 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice *
|
||||
devpriv->ai_scans = 0;
|
||||
}
|
||||
|
||||
// use sample&hold signal?
|
||||
/* use sample&hold signal? */
|
||||
if (cmd->convert_src == TRIG_NOW) {
|
||||
devpriv->usessh = 1;
|
||||
} // yes
|
||||
} /* yes */
|
||||
else {
|
||||
devpriv->usessh = 0;
|
||||
} // no
|
||||
} /* no */
|
||||
|
||||
DPRINTK("1 neverending=%d scans=%u usessh=%d ai_startstop=0x%2x\n",
|
||||
devpriv->ai_neverending, devpriv->ai_scans, devpriv->usessh,
|
||||
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_back = 0;
|
||||
devpriv->useeoshandle = 0;
|
||||
@ -1358,27 +1358,27 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice *
|
||||
devpriv->ai_add_back = 1;
|
||||
}
|
||||
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) &&
|
||||
(devpriv->ai_n_scanlen & 1) &&
|
||||
(devpriv->ai_n_scanlen > 1)) {
|
||||
if (cmd->scan_begin_src == TRIG_FOLLOW) {
|
||||
//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
|
||||
} else { // well, we must insert one sample to end of EOS to meet 32 bit transfer
|
||||
/* 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 */
|
||||
} else { /* well, we must insert one sample to end of EOS to meet 32 bit transfer */
|
||||
devpriv->ai_add_back = 1;
|
||||
}
|
||||
}
|
||||
} else { // interrupt transfer don't need any correction
|
||||
} else { /* interrupt transfer don't need any correction */
|
||||
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) {
|
||||
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_back = 0;
|
||||
}
|
||||
@ -1387,17 +1387,17 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice *
|
||||
addchans = devpriv->softsshdelay / cmd->convert_arg;
|
||||
if (devpriv->softsshdelay % cmd->convert_arg)
|
||||
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;
|
||||
if (devpriv->usedma == 1)
|
||||
if ((devpriv->ai_add_front +
|
||||
devpriv->ai_n_chan +
|
||||
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_back) * (devpriv->ai_n_scanlen /
|
||||
devpriv->ai_n_chan);
|
||||
@ -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_scanlen);
|
||||
|
||||
// check and setup channel list
|
||||
/* check and setup channel list */
|
||||
if (!check_channel_list(dev, s, devpriv->ai_n_chan,
|
||||
devpriv->ai_chanlist, devpriv->ai_add_front,
|
||||
devpriv->ai_add_back))
|
||||
@ -1419,9 +1419,9 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice *
|
||||
devpriv->useeoshandle))
|
||||
return -EINVAL;
|
||||
|
||||
// compute timers settings
|
||||
// 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
|
||||
/* compute timers settings */
|
||||
/* 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_EXT) {
|
||||
devpriv->ai_do = 4;
|
||||
} else {
|
||||
@ -1435,7 +1435,7 @@ static int pci9118_ai_cmd(struct comedi_device * dev, struct comedi_subdevice *
|
||||
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) {
|
||||
comedi_error(dev,
|
||||
"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 *
|
||||
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);
|
||||
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);
|
||||
comedi_udelay(1);
|
||||
outl(0, dev->iobase + PCI9118_DELFIFO); // flush FIFO
|
||||
inl(dev->iobase + PCI9118_ADSTAT); // flush A/D and INT status register
|
||||
outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
|
||||
inl(dev->iobase + PCI9118_ADSTAT); /* flush A/D and INT status register */
|
||||
inl(dev->iobase + PCI9118_INTSRC);
|
||||
|
||||
devpriv->ai_act_scan = 0;
|
||||
@ -1505,11 +1505,11 @@ static int check_channel_list(struct comedi_device * dev, struct comedi_subdevic
|
||||
}
|
||||
|
||||
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)
|
||||
bipolar = 1; // all input must be bipolar
|
||||
bipolar = 1; /* all input must be bipolar */
|
||||
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) !=
|
||||
(differencial)) {
|
||||
comedi_error(dev,
|
||||
@ -1552,27 +1552,27 @@ static int setup_channel_list(struct comedi_device * dev, struct comedi_subdevic
|
||||
}
|
||||
|
||||
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)
|
||||
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) {
|
||||
devpriv->AdControlReg |= AdControl_UniP; // set unibipolar
|
||||
devpriv->AdControlReg |= AdControl_UniP; /* set unibipolar */
|
||||
} else {
|
||||
devpriv->AdControlReg &= ((~AdControl_UniP) & 0xff); // enable bipolar
|
||||
devpriv->AdControlReg &= ((~AdControl_UniP) & 0xff); /* enable bipolar */
|
||||
}
|
||||
|
||||
if (differencial) {
|
||||
devpriv->AdControlReg |= AdControl_Diff; // enable diff inputs
|
||||
devpriv->AdControlReg |= AdControl_Diff; /* enable diff inputs */
|
||||
} 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(1, dev->iobase + PCI9118_SCANMOD);
|
||||
|
||||
@ -1582,12 +1582,12 @@ static int setup_channel_list(struct comedi_device * dev, struct comedi_subdevic
|
||||
devpriv->chanlist[i] = 0x55aa;
|
||||
#endif
|
||||
|
||||
if (frontadd) { // insert channels for S&H
|
||||
if (frontadd) { /* insert channels for S&H */
|
||||
ssh = devpriv->softsshsample;
|
||||
DPRINTK("FA: %04x: ", ssh);
|
||||
for (i = 0; i < frontadd; i++) { // store range list to card
|
||||
scanquad = CR_CHAN(chanlist[0]); // get channel number;
|
||||
gain = CR_RANGE(chanlist[0]); // get gain number
|
||||
for (i = 0; i < frontadd; i++) { /* store range list to card */
|
||||
scanquad = CR_CHAN(chanlist[0]); /* get channel number; */
|
||||
gain = CR_RANGE(chanlist[0]); /* get gain number */
|
||||
scanquad |= ((gain & 0x03) << 8);
|
||||
outl(scanquad | ssh, dev->iobase + PCI9118_GAIN);
|
||||
DPRINTK("%02x ", scanquad | ssh);
|
||||
@ -1597,23 +1597,23 @@ static int setup_channel_list(struct comedi_device * dev, struct comedi_subdevic
|
||||
}
|
||||
|
||||
DPRINTK("SL: ", ssh);
|
||||
for (i = 0; i < n_chan; i++) { // store range list to card
|
||||
scanquad = CR_CHAN(chanlist[i]); // get channel number;
|
||||
for (i = 0; i < n_chan; i++) { /* store range list to card */
|
||||
scanquad = CR_CHAN(chanlist[i]); /* get channel number; */
|
||||
#ifdef PCI9118_PARANOIDCHECK
|
||||
devpriv->chanlist[i ^ usedma] = (scanquad & 0xf) << rot;
|
||||
#endif
|
||||
gain = CR_RANGE(chanlist[i]); // get gain number
|
||||
gain = CR_RANGE(chanlist[i]); /* get gain number */
|
||||
scanquad |= ((gain & 0x03) << 8);
|
||||
outl(scanquad | ssh, dev->iobase + PCI9118_GAIN);
|
||||
DPRINTK("%02x ", scanquad | ssh);
|
||||
}
|
||||
DPRINTK("\n ");
|
||||
|
||||
if (backadd) { // insert channels for fit onto 32bit DMA
|
||||
if (backadd) { /* insert channels for fit onto 32bit DMA */
|
||||
DPRINTK("BA: %04x: ", ssh);
|
||||
for (i = 0; i < backadd; i++) { // store range list to card
|
||||
scanquad = CR_CHAN(chanlist[0]); // get channel number;
|
||||
gain = CR_RANGE(chanlist[0]); // get gain number
|
||||
for (i = 0; i < backadd; i++) { /* store range list to card */
|
||||
scanquad = CR_CHAN(chanlist[0]); /* get channel number; */
|
||||
gain = CR_RANGE(chanlist[0]); /* get gain number */
|
||||
scanquad |= ((gain & 0x03) << 8);
|
||||
outl(scanquad | ssh, dev->iobase + PCI9118_GAIN);
|
||||
DPRINTK("%02x ", scanquad | ssh);
|
||||
@ -1621,13 +1621,13 @@ static int setup_channel_list(struct comedi_device * dev, struct comedi_subdevic
|
||||
DPRINTK("\n ");
|
||||
}
|
||||
#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) {
|
||||
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] =
|
||||
(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;
|
||||
} else {
|
||||
useeos = 1;
|
||||
@ -1640,11 +1640,11 @@ static int setup_channel_list(struct comedi_device * dev, struct comedi_subdevic
|
||||
DPRINTK("\n ");
|
||||
#endif
|
||||
#endif
|
||||
outl(0, dev->iobase + PCI9118_SCANMOD); // close scan queue
|
||||
// comedi_udelay(100); // important delay, or first sample will be cripled
|
||||
outl(0, dev->iobase + PCI9118_SCANMOD); /* close scan queue */
|
||||
/* comedi_udelay(100); important delay, or first sample will be cripled */
|
||||
|
||||
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,
|
||||
*tim2 = this_board->ai_ns_min;
|
||||
DPRINTK("1 div1=%u div2=%u timer1=%u timer2=%u\n", *div1, *div2,
|
||||
*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,
|
||||
*tim1, *tim2);
|
||||
if (*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,
|
||||
*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,
|
||||
*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,
|
||||
*tim1, *tim2);
|
||||
if (*div2 < chans)
|
||||
@ -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,
|
||||
*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))
|
||||
*div2 = chans + 2;
|
||||
|
||||
@ -1715,7 +1715,7 @@ static void start_pacer(struct comedi_device * dev, int mode, unsigned int divis
|
||||
{
|
||||
outl(0x74, 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);
|
||||
|
||||
if ((mode == 1) || (mode == 2) || (mode == 4)) {
|
||||
@ -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)
|
||||
{
|
||||
if (source > 3)
|
||||
return -1; // incorrect source
|
||||
return -1; /* incorrect source */
|
||||
devpriv->exttrg_users |= (1 << source);
|
||||
devpriv->IntControlReg |= Int_DTrg;
|
||||
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;
|
||||
}
|
||||
|
||||
@ -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)
|
||||
{
|
||||
if (source > 3)
|
||||
return -1; // incorrect source
|
||||
return -1; /* incorrect 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;
|
||||
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
|
||||
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(devpriv->IntControlReg, dev->iobase + PCI9118_INTCTRL);
|
||||
}
|
||||
return 0;
|
||||
@ -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)
|
||||
{
|
||||
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);
|
||||
start_pacer(dev, 0, 0, 0); // stop 8254 counters
|
||||
start_pacer(dev, 0, 0, 0); /* stop 8254 counters */
|
||||
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;
|
||||
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(1, dev->iobase + PCI9118_SCANMOD);
|
||||
outl(2, dev->iobase + PCI9118_SCANMOD); // reset scan queue
|
||||
outl(0, dev->iobase + PCI9118_DELFIFO); // flush FIFO
|
||||
outl(2, dev->iobase + PCI9118_SCANMOD); /* reset scan queue */
|
||||
outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
|
||||
|
||||
devpriv->ai_do = 0;
|
||||
devpriv->usedma = 0;
|
||||
@ -1787,7 +1787,7 @@ static int pci9118_ai_cancel(struct comedi_device * dev, struct comedi_subdevice
|
||||
devpriv->dma_actbuf = 0;
|
||||
|
||||
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;
|
||||
}
|
||||
@ -1800,31 +1800,31 @@ static int pci9118_reset(struct comedi_device * dev)
|
||||
devpriv->IntControlReg = 0;
|
||||
devpriv->exttrg_users = 0;
|
||||
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(0xb4, dev->iobase + PCI9118_CNTCTRL);
|
||||
start_pacer(dev, 0, 0, 0); // stop 8254 counters
|
||||
/* outl(0xb4, dev->iobase + PCI9118_CNTCTRL); */
|
||||
start_pacer(dev, 0, 0, 0); /* stop 8254 counters */
|
||||
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(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;
|
||||
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[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(0, dev->iobase + PCI9118_DO); // reset digi outs to L
|
||||
outl(0, dev->iobase + PCI9118_DO); /* reset digi outs to L */
|
||||
comedi_udelay(10);
|
||||
inl(dev->iobase + PCI9118_AD_DATA);
|
||||
outl(0, dev->iobase + PCI9118_DELFIFO); // flush FIFO
|
||||
outl(0, dev->iobase + PCI9118_INTSRC); // remove INT requests
|
||||
inl(dev->iobase + PCI9118_ADSTAT); // flush A/D status register
|
||||
inl(dev->iobase + PCI9118_INTSRC); // flush INT requests
|
||||
outl(0, dev->iobase + PCI9118_DELFIFO); /* flush FIFO */
|
||||
outl(0, dev->iobase + PCI9118_INTSRC); /* remove INT requests */
|
||||
inl(dev->iobase + PCI9118_ADSTAT); /* flush A/D status register */
|
||||
inl(dev->iobase + PCI9118_INTSRC); /* flush INT requests */
|
||||
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->exttrg_users = 0;
|
||||
@ -1854,7 +1854,7 @@ static int pci9118_attach(struct comedi_device * dev, struct comedi_devconfig *
|
||||
opt_bus = it->options[0];
|
||||
opt_slot = it->options[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 {
|
||||
master = 1;
|
||||
}
|
||||
@ -1920,7 +1920,7 @@ static int pci9118_attach(struct comedi_device * dev, struct comedi_devconfig *
|
||||
pci9118_reset(dev);
|
||||
|
||||
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 (comedi_request_irq(irq, interrupt_pci9118, IRQF_SHARED,
|
||||
"ADLink PCI-9118", dev)) {
|
||||
@ -1936,7 +1936,7 @@ static int pci9118_attach(struct comedi_device * dev, struct comedi_devconfig *
|
||||
|
||||
dev->irq = irq;
|
||||
|
||||
if (master) { // alloc DMA buffers
|
||||
if (master) { /* alloc DMA buffers */
|
||||
devpriv->dma_doublebuf = 0;
|
||||
for (i = 0; i < 2; i++) {
|
||||
for (pages = 4; pages >= 0; pages--)
|
||||
@ -1974,16 +1974,16 @@ static int pci9118_attach(struct comedi_device * dev, struct comedi_devconfig *
|
||||
if (it->options[2] > 0) {
|
||||
devpriv->usemux = it->options[2];
|
||||
if (devpriv->usemux > 256)
|
||||
devpriv->usemux = 256; // max 256 channels!
|
||||
devpriv->usemux = 256; /* max 256 channels! */
|
||||
if (it->options[4] > 0)
|
||||
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);
|
||||
}
|
||||
|
||||
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->softsshsample = 0x80;
|
||||
devpriv->softsshhold = 0x00;
|
||||
@ -1995,7 +1995,7 @@ static int pci9118_attach(struct comedi_device * dev, struct comedi_devconfig *
|
||||
rt_printk(".\n");
|
||||
|
||||
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)
|
||||
return ret;
|
||||
@ -2052,9 +2052,9 @@ static int pci9118_attach(struct comedi_device * dev, struct comedi_devconfig *
|
||||
s->insn_bits = pci9118_insn_bits_do;
|
||||
|
||||
devpriv->valid = 1;
|
||||
devpriv->i8254_osc_base = 250; // 250ns=4MHz
|
||||
devpriv->ai_maskharderr = 0x10a; // default measure crash condition
|
||||
if (it->options[5]) // disable some requested
|
||||
devpriv->i8254_osc_base = 250; /* 250ns=4MHz */
|
||||
devpriv->ai_maskharderr = 0x10a; /* default measure crash condition */
|
||||
if (it->options[5]) /* disable some requested */
|
||||
devpriv->ai_maskharderr &= ~it->options[5];
|
||||
|
||||
switch (this_board->ai_maxdata) {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user