#define ICP_MULTI_EXTDEBUG
-// Hardware types of the cards
+/* Hardware types of the cards */
#define TYPE_ICP_MULTI 0
#define IORANGE_ICP_MULTI 32
#define ICP_MULTI_SIZE 0x20 /* 32 bytes */
-// Define bits from ADC command/status register
+/* Define bits from ADC command/status register */
#define ADC_ST 0x0001 /* Start ADC */
#define ADC_BSY 0x0001 /* ADC busy */
#define ADC_BI 0x0010 /* Bipolar input range 1 = bipolar */
#define ADC_RA 0x0020 /* Input range 0 = 5V, 1 = 10V */
#define ADC_DI 0x0040 /* Differential input mode 1 = differential */
-// Define bits from DAC command/status register
+/* Define bits from DAC command/status register */
#define DAC_ST 0x0001 /* Start DAC */
#define DAC_BSY 0x0001 /* DAC busy */
#define DAC_BI 0x0010 /* Bipolar input range 1 = bipolar */
#define DAC_RA 0x0020 /* Input range 0 = 5V, 1 = 10V */
-// Define bits from interrupt enable/status registers
+/* Define bits from interrupt enable/status registers */
#define ADC_READY 0x0001 /* A/d conversion ready interrupt */
#define DAC_READY 0x0002 /* D/a conversion ready interrupt */
#define DOUT_ERROR 0x0004 /* Digital output error interrupt */
#define CIE2 0x0040 /* Counter 2 overrun interrupt */
#define CIE3 0x0080 /* Counter 3 overrun interrupt */
-// Useful definitions
-#define Status_IRQ 0x00ff // All interrupts
+/* Useful definitions */
+#define Status_IRQ 0x00ff /* All interrupts */
-// Define analogue range
+/* Define analogue range */
static const comedi_lrange range_analog = { 4, {
UNI_RANGE(5),
UNI_RANGE(10),
static unsigned short pci_list_builded = 0; /*>0 list of card is known */
typedef struct {
- const char *name; // driver name
+ const char *name; /* driver name */
int device_id;
- int iorange; // I/O range len
- char have_irq; // 1=card support IRQ
- char cardtype; // 0=ICP Multi
- int n_aichan; // num of A/D chans
- int n_aichand; // num of A/D chans in diff mode
- int n_aochan; // num of D/A chans
- int n_dichan; // num of DI chans
- int n_dochan; // num of DO chans
- int n_ctrs; // num of counters
- int ai_maxdata; // resolution of A/D
- int ao_maxdata; // resolution of D/A
- const comedi_lrange *rangelist_ai; // rangelist for A/D
- const char *rangecode; // range codes for programming
- const comedi_lrange *rangelist_ao; // rangelist for D/A
+ int iorange; /* I/O range len */
+ char have_irq; /* 1=card support IRQ */
+ char cardtype; /* 0=ICP Multi */
+ int n_aichan; /* num of A/D chans */
+ int n_aichand; /* num of A/D chans in diff mode */
+ int n_aochan; /* num of D/A chans */
+ int n_dichan; /* num of DI chans */
+ int n_dochan; /* num of DO chans */
+ int n_ctrs; /* num of counters */
+ int ai_maxdata; /* resolution of A/D */
+ int ao_maxdata; /* resolution of D/A */
+ const comedi_lrange *rangelist_ai; /* rangelist for A/D */
+ const char *rangecode; /* range codes for programming */
+ const comedi_lrange *rangelist_ao; /* rangelist for D/A */
} boardtype;
static const boardtype boardtypes[] = {
- {"icp_multi", // Driver name
- DEVICE_ID, // PCI device ID
- IORANGE_ICP_MULTI, // I/O range length
- 1, // 1=Card supports interrupts
- TYPE_ICP_MULTI, // Card type = ICP MULTI
- 16, // Num of A/D channels
- 8, // Num of A/D channels in diff mode
- 4, // Num of D/A channels
- 16, // Num of digital inputs
- 8, // Num of digital outputs
- 4, // Num of counters
- 0x0fff, // Resolution of A/D
- 0x0fff, // Resolution of D/A
- &range_analog, // Rangelist for A/D
- range_codes_analog, // Range codes for programming
- &range_analog}, // Rangelist for D/A
+ {"icp_multi", /* Driver name */
+ DEVICE_ID, /* PCI device ID */
+ IORANGE_ICP_MULTI, /* I/O range length */
+ 1, /* 1=Card supports interrupts */
+ TYPE_ICP_MULTI, /* Card type = ICP MULTI */
+ 16, /* Num of A/D channels */
+ 8, /* Num of A/D channels in diff mode */
+ 4, /* Num of D/A channels */
+ 16, /* Num of digital inputs */
+ 8, /* Num of digital outputs */
+ 4, /* Num of counters */
+ 0x0fff, /* Resolution of A/D */
+ 0x0fff, /* Resolution of D/A */
+ &range_analog, /* Rangelist for A/D */
+ range_codes_analog, /* Range codes for programming */
+ &range_analog}, /* Rangelist for D/A */
};
#define n_boardtypes (sizeof(boardtypes)/sizeof(boardtype))
COMEDI_INITCLEANUP(driver_icp_multi);
typedef struct {
- struct pcilst_struct *card; // pointer to card
- char valid; // card is usable
- void *io_addr; // Pointer to mapped io address
- resource_size_t phys_iobase; // Physical io address
- unsigned int AdcCmdStatus; // ADC Command/Status register
- unsigned int DacCmdStatus; // DAC Command/Status register
- unsigned int IntEnable; // Interrupt Enable register
- unsigned int IntStatus; // Interrupt Status register
- unsigned int act_chanlist[32]; // list of scaned channel
- unsigned char act_chanlist_len; // len of scanlist
- unsigned char act_chanlist_pos; // actual position in MUX list
- unsigned int *ai_chanlist; // actaul chanlist
- sampl_t *ai_data; // data buffer
- sampl_t ao_data[4]; // data output buffer
- sampl_t di_data; // Digital input data
- unsigned int do_data; // Remember digital output data
+ struct pcilst_struct *card; /* pointer to card */
+ char valid; /* card is usable */
+ void *io_addr; /* Pointer to mapped io address */
+ resource_size_t phys_iobase; /* Physical io address */
+ unsigned int AdcCmdStatus; /* ADC Command/Status register */
+ unsigned int DacCmdStatus; /* DAC Command/Status register */
+ unsigned int IntEnable; /* Interrupt Enable register */
+ unsigned int IntStatus; /* Interrupt Status register */
+ unsigned int act_chanlist[32]; /* list of scaned channel */
+ unsigned char act_chanlist_len; /* len of scanlist */
+ unsigned char act_chanlist_pos; /* actual position in MUX list */
+ unsigned int *ai_chanlist; /* actaul chanlist */
+ sampl_t *ai_data; /* data buffer */
+ sampl_t ao_data[4]; /* data output buffer */
+ sampl_t di_data; /* Digital input data */
+ unsigned int do_data; /* Remember digital output data */
} icp_multi_private;
#define devpriv ((icp_multi_private *)dev->private)
#ifdef ICP_MULTI_EXTDEBUG
printk("icp multi EDBG: BGN: icp_multi_insn_read_ai(...)\n");
#endif
- // Disable A/D conversion ready interrupt
+ /* Disable A/D conversion ready interrupt */
devpriv->IntEnable &= ~ADC_READY;
writew(devpriv->IntEnable, devpriv->io_addr + ICP_MULTI_INT_EN);
- // Clear interrupt status
+ /* Clear interrupt status */
devpriv->IntStatus |= ADC_READY;
writew(devpriv->IntStatus, devpriv->io_addr + ICP_MULTI_INT_STAT);
- // Set up appropriate channel, mode and range data, for specified channel
+ /* Set up appropriate channel, mode and range data, for specified channel */
setup_channel_list(dev, s, &insn->chanspec, 1);
#ifdef ICP_MULTI_EXTDEBUG
#endif
for (n = 0; n < insn->n; n++) {
- // Set start ADC bit
+ /* Set start ADC bit */
devpriv->AdcCmdStatus |= ADC_ST;
writew(devpriv->AdcCmdStatus,
devpriv->io_addr + ICP_MULTI_ADC_CSR);
readw(devpriv->io_addr + ICP_MULTI_ADC_CSR));
#endif
- // Wait for conversion to complete, or get fed up waiting
+ /* Wait for conversion to complete, or get fed up waiting */
timeout = 100;
while (timeout--) {
if (!(readw(devpriv->io_addr +
comedi_udelay(1);
}
- // If we reach here, a timeout has occurred
+ /* If we reach here, a timeout has occurred */
comedi_error(dev, "A/D insn timeout");
- // Disable interrupt
+ /* Disable interrupt */
devpriv->IntEnable &= ~ADC_READY;
writew(devpriv->IntEnable, devpriv->io_addr + ICP_MULTI_INT_EN);
- // Clear interrupt status
+ /* Clear interrupt status */
devpriv->IntStatus |= ADC_READY;
writew(devpriv->IntStatus,
devpriv->io_addr + ICP_MULTI_INT_STAT);
- // Clear data received
+ /* Clear data received */
data[n] = 0;
#ifdef ICP_MULTI_EXTDEBUG
(readw(devpriv->io_addr + ICP_MULTI_AI) >> 4) & 0x0fff;
}
- // Disable interrupt
+ /* Disable interrupt */
devpriv->IntEnable &= ~ADC_READY;
writew(devpriv->IntEnable, devpriv->io_addr + ICP_MULTI_INT_EN);
- // Clear interrupt status
+ /* Clear interrupt status */
devpriv->IntStatus |= ADC_READY;
writew(devpriv->IntStatus, devpriv->io_addr + ICP_MULTI_INT_STAT);
#ifdef ICP_MULTI_EXTDEBUG
printk("icp multi EDBG: BGN: icp_multi_insn_write_ao(...)\n");
#endif
- // Disable D/A conversion ready interrupt
+ /* Disable D/A conversion ready interrupt */
devpriv->IntEnable &= ~DAC_READY;
writew(devpriv->IntEnable, devpriv->io_addr + ICP_MULTI_INT_EN);
- // Clear interrupt status
+ /* Clear interrupt status */
devpriv->IntStatus |= DAC_READY;
writew(devpriv->IntStatus, devpriv->io_addr + ICP_MULTI_INT_STAT);
- // Get channel number and range
+ /* Get channel number and range */
chan = CR_CHAN(insn->chanspec);
range = CR_RANGE(insn->chanspec);
- // Set up range and channel data
- // Bit 4 = 1 : Bipolar
- // Bit 5 = 0 : 5V
- // Bit 5 = 1 : 10V
- // Bits 8-9 : Channel number
+ /* Set up range and channel data */
+ /* Bit 4 = 1 : Bipolar */
+ /* Bit 5 = 0 : 5V */
+ /* Bit 5 = 1 : 10V */
+ /* Bits 8-9 : Channel number */
devpriv->DacCmdStatus &= 0xfccf;
devpriv->DacCmdStatus |= this_board->rangecode[range];
devpriv->DacCmdStatus |= (chan << 8);
writew(devpriv->DacCmdStatus, devpriv->io_addr + ICP_MULTI_DAC_CSR);
for (n = 0; n < insn->n; n++) {
- // Wait for analogue output data register to be ready for new data, or get fed up waiting
+ /* Wait for analogue output data register to be ready for new data, or get fed up waiting */
timeout = 100;
while (timeout--) {
if (!(readw(devpriv->io_addr +
comedi_udelay(1);
}
- // If we reach here, a timeout has occurred
+ /* If we reach here, a timeout has occurred */
comedi_error(dev, "D/A insn timeout");
- // Disable interrupt
+ /* Disable interrupt */
devpriv->IntEnable &= ~DAC_READY;
writew(devpriv->IntEnable, devpriv->io_addr + ICP_MULTI_INT_EN);
- // Clear interrupt status
+ /* Clear interrupt status */
devpriv->IntStatus |= DAC_READY;
writew(devpriv->IntStatus,
devpriv->io_addr + ICP_MULTI_INT_STAT);
- // Clear data received
+ /* Clear data received */
devpriv->ao_data[chan] = 0;
#ifdef ICP_MULTI_EXTDEBUG
return -ETIME;
dac_ready:
- // Write data to analogue output data register
+ /* Write data to analogue output data register */
writew(data[n], devpriv->io_addr + ICP_MULTI_AO);
- // Set DAC_ST bit to write the data to selected channel
+ /* Set DAC_ST bit to write the data to selected channel */
devpriv->DacCmdStatus |= DAC_ST;
writew(devpriv->DacCmdStatus,
devpriv->io_addr + ICP_MULTI_DAC_CSR);
devpriv->DacCmdStatus &= ~DAC_ST;
- // Save analogue output data
+ /* Save analogue output data */
devpriv->ao_data[chan] = data[n];
}
{
int n, chan;
- // Get channel number
+ /* Get channel number */
chan = CR_CHAN(insn->chanspec);
- // Read analogue outputs
+ /* Read analogue outputs */
for (n = 0; n < insn->n; n++)
data[n] = devpriv->ao_data[chan];
irq);
#endif
- // Is this interrupt from our board?
+ /* Is this interrupt from our board? */
int_no = readw(devpriv->io_addr + ICP_MULTI_INT_STAT) & Status_IRQ;
if (!int_no)
- // No, exit
+ /* No, exit */
return IRQ_NONE;
#ifdef ICP_MULTI_EXTDEBUG
readw(devpriv->io_addr + ICP_MULTI_INT_STAT));
#endif
- // Determine which interrupt is active & handle it
+ /* Determine which interrupt is active & handle it */
switch (int_no) {
case ADC_READY:
break;
#ifdef ICP_MULTI_EXTDEBUG
printk("icp multi EDBG: check_channel_list(...,%d)\n", n_chan);
#endif
- // Check that we at least have one channel to check
+ /* Check that we at least have one channel to check */
if (n_chan < 1) {
comedi_error(dev, "range/channel list is empty!");
return 0;
}
- // Check all channels
+ /* Check all channels */
for (i = 0; i < n_chan; i++) {
- // Check that channel number is < maximum
+ /* Check that channel number is < maximum */
if (CR_AREF(chanlist[i]) == AREF_DIFF) {
if (CR_CHAN(chanlist[i]) > this_board->n_aichand) {
comedi_error(dev,
devpriv->act_chanlist_pos = 0;
for (i = 0; i < n_chan; i++) {
- // Get channel
+ /* Get channel */
chanprog = CR_CHAN(chanlist[i]);
- // Determine if it is a differential channel (Bit 15 = 1)
+ /* Determine if it is a differential channel (Bit 15 = 1) */
if (CR_AREF(chanlist[i]) == AREF_DIFF) {
diff = 1;
chanprog &= 0x0007;
chanprog &= 0x000f;
}
- // Clear channel, range and input mode bits in A/D command/status register
+ /* Clear channel, range and input mode bits in A/D command/status register */
devpriv->AdcCmdStatus &= 0xf00f;
- // Set channel number and differential mode status bit
+ /* Set channel number and differential mode status bit */
if (diff) {
- // Set channel number, bits 9-11 & mode, bit 6
+ /* Set channel number, bits 9-11 & mode, bit 6 */
devpriv->AdcCmdStatus |= (chanprog << 9);
devpriv->AdcCmdStatus |= ADC_DI;
} else
- // Set channel number, bits 8-11
+ /* Set channel number, bits 8-11 */
devpriv->AdcCmdStatus |= (chanprog << 8);
- // Get range for current channel
+ /* Get range for current channel */
range = this_board->rangecode[CR_RANGE(chanlist[i])];
- // Set range. bits 4-5
+ /* Set range. bits 4-5 */
devpriv->AdcCmdStatus |= range;
/* Output channel, range, mode to ICP Multi */
#ifdef ICP_MULTI_EXTDEBUG
printk("icp_multi EDBG: BGN: icp_multi_reset(...)\n");
#endif
- // Clear INT enables and requests
+ /* Clear INT enables and requests */
writew(0, devpriv->io_addr + ICP_MULTI_INT_EN);
writew(0x00ff, devpriv->io_addr + ICP_MULTI_INT_STAT);
if (this_board->n_aochan)
- // Set DACs to 0..5V range and 0V output
+ /* Set DACs to 0..5V range and 0V output */
for (i = 0; i < this_board->n_aochan; i++) {
devpriv->DacCmdStatus &= 0xfcce;
- // Set channel number
+ /* Set channel number */
devpriv->DacCmdStatus |= (i << 8);
- // Output 0V
+ /* Output 0V */
writew(0, devpriv->io_addr + ICP_MULTI_AO);
- // Set start conversion bit
+ /* Set start conversion bit */
devpriv->DacCmdStatus |= DAC_ST;
- // Output to command / status register
+ /* Output to command / status register */
writew(devpriv->DacCmdStatus,
devpriv->io_addr + ICP_MULTI_DAC_CSR);
- // Delay to allow DAC time to recover
+ /* Delay to allow DAC time to recover */
comedi_udelay(1);
}
- // Digital outputs to 0
+ /* Digital outputs to 0 */
writew(0, devpriv->io_addr + ICP_MULTI_DO);
#ifdef ICP_MULTI_EXTDEBUG
printk("icp_multi EDBG: BGN: icp_multi_attach(...)\n");
- // Alocate private data storage space
+ /* Alocate private data storage space */
if ((ret = alloc_private(dev, sizeof(icp_multi_private))) < 0)
return ret;
- // Initialise list of PCI cards in system, if not already done so
+ /* Initialise list of PCI cards in system, if not already done so */
if (pci_list_builded++ == 0) {
pci_card_list_init(PCI_VENDOR_ID_ICP,
#ifdef ICP_MULTI_EXTDEBUG
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blobdiff