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Staging: comedi: Remove C99 style comments in adl_pci9111.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
3ba97b3c62
commit
52f8ac9830
@ -85,7 +85,7 @@ TODO:
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#define PCI9111_DRIVER_NAME "adl_pci9111"
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#define PCI9111_HR_DEVICE_ID 0x9111
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// TODO: Add other pci9111 board id
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/* TODO: Add other pci9111 board id */
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#define PCI9111_IO_RANGE 0x0100
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@ -133,11 +133,11 @@ TODO:
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/* IO address map */
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#define PCI9111_REGISTER_AD_FIFO_VALUE 0x00 // AD Data stored in FIFO
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#define PCI9111_REGISTER_AD_FIFO_VALUE 0x00 /* AD Data stored in FIFO */
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#define PCI9111_REGISTER_DA_OUTPUT 0x00
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#define PCI9111_REGISTER_DIGITAL_IO 0x02
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#define PCI9111_REGISTER_EXTENDED_IO_PORTS 0x04
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#define PCI9111_REGISTER_AD_CHANNEL_CONTROL 0x06 // Channel selection
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#define PCI9111_REGISTER_AD_CHANNEL_CONTROL 0x06 /* Channel selection */
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#define PCI9111_REGISTER_AD_CHANNEL_READBACK 0x06
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#define PCI9111_REGISTER_INPUT_SIGNAL_RANGE 0x08
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#define PCI9111_REGISTER_RANGE_STATUS_READBACK 0x08
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@ -261,9 +261,7 @@ TODO:
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outb(data & 0xFF, PCI9111_IO_BASE+PCI9111_REGISTER_8254_COUNTER_2); \
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outb( (data >> 8) & 0xFF, PCI9111_IO_BASE+PCI9111_REGISTER_8254_COUNTER_2)
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//
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// Function prototypes
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//
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/* Function prototypes */
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static int pci9111_attach(struct comedi_device * dev, struct comedi_devconfig * it);
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static int pci9111_detach(struct comedi_device * dev);
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@ -284,27 +282,27 @@ static const struct comedi_lrange pci9111_hr_ai_range = {
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static DEFINE_PCI_DEVICE_TABLE(pci9111_pci_table) = {
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{PCI_VENDOR_ID_ADLINK, PCI9111_HR_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0,
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0, 0},
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//{ PCI_VENDOR_ID_ADLINK, PCI9111_HG_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
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/* { PCI_VENDOR_ID_ADLINK, PCI9111_HG_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, */
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{0}
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};
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MODULE_DEVICE_TABLE(pci, pci9111_pci_table);
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//
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// Board specification structure
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//
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/* */
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/* Board specification structure */
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/* */
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struct pci9111_board {
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const char *name; // driver name
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const char *name; /* driver name */
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int device_id;
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int ai_channel_nbr; // num of A/D chans
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int ao_channel_nbr; // num of D/A chans
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int ai_resolution; // resolution of A/D
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int ai_channel_nbr; /* num of A/D chans */
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int ao_channel_nbr; /* num of D/A chans */
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int ai_resolution; /* resolution of A/D */
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int ai_resolution_mask;
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int ao_resolution; // resolution of D/A
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int ao_resolution; /* resolution of D/A */
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int ao_resolution_mask;
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const struct comedi_lrange *ai_range_list; // rangelist for A/D
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const struct comedi_lrange *ao_range_list; // rangelist for D/A
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const struct comedi_lrange *ai_range_list; /* rangelist for A/D */
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const struct comedi_lrange *ao_range_list; /* rangelist for D/A */
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unsigned int ai_acquisition_period_min_ns;
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};
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@ -335,15 +333,13 @@ static struct comedi_driver pci9111_driver = {
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COMEDI_PCI_INITCLEANUP(pci9111_driver, pci9111_pci_table);
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//
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// Private data structure
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//
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/* Private data structure */
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struct pci9111_private_data {
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struct pci_dev *pci_device;
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unsigned long io_range; // PCI6503 io range
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unsigned long io_range; /* PCI6503 io range */
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unsigned long lcr_io_base; // Local configuration register base address
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unsigned long lcr_io_base; /* Local configuration register base address */
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unsigned long lcr_io_range;
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int stop_counter;
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@ -354,23 +350,21 @@ struct pci9111_private_data {
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unsigned int chunk_counter;
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unsigned int chunk_num_samples;
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int ao_readback; // Last written analog output data
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int ao_readback; /* Last written analog output data */
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int timer_divisor_1; // Divisor values for the 8254 timer pacer
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int timer_divisor_1; /* Divisor values for the 8254 timer pacer */
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int timer_divisor_2;
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int is_valid; // Is device valid
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int is_valid; /* Is device valid */
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short ai_bounce_buffer[2 * PCI9111_FIFO_HALF_SIZE];
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};
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#define dev_private ((struct pci9111_private_data *)dev->private)
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// ------------------------------------------------------------------
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//
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// PLX9050 SECTION
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//
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// ------------------------------------------------------------------
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/* ------------------------------------------------------------------ */
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/* PLX9050 SECTION */
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/* ------------------------------------------------------------------ */
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#define PLX9050_REGISTER_INTERRUPT_CONTROL 0x4c
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@ -405,15 +399,11 @@ static void plx9050_interrupt_control(unsigned long io_base,
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outb(flags, io_base + PLX9050_REGISTER_INTERRUPT_CONTROL);
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}
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// ------------------------------------------------------------------
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//
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// MISCELLANEOUS SECTION
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//
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// ------------------------------------------------------------------
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/* ------------------------------------------------------------------ */
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/* MISCELLANEOUS SECTION */
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/* ------------------------------------------------------------------ */
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//
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// 8254 timer
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//
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/* 8254 timer */
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static void pci9111_timer_set(struct comedi_device * dev)
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{
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@ -494,13 +484,13 @@ enum pci9111_ISC0_sources {
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irq_on_fifo_half_full
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};
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typedef enum {
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enum pci9111_ISC1_sources {
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irq_on_timer_tick,
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irq_on_external_trigger
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} pci9111_ISC1_sources;
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};
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static void pci9111_interrupt_source_set(struct comedi_device * dev,
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enum pci9111_ISC0_sources irq_0_source, pci9111_ISC1_sources irq_1_source)
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enum pci9111_ISC0_sources irq_0_source, enum pci9111_ISC1_sources irq_1_source)
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{
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int flags;
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@ -515,21 +505,17 @@ static void pci9111_interrupt_source_set(struct comedi_device * dev,
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pci9111_interrupt_and_fifo_set(flags);
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}
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// ------------------------------------------------------------------
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//
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// HARDWARE TRIGGERED ANALOG INPUT SECTION
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//
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// ------------------------------------------------------------------
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/* ------------------------------------------------------------------ */
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/* HARDWARE TRIGGERED ANALOG INPUT SECTION */
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/* ------------------------------------------------------------------ */
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//
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// Cancel analog input autoscan
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//
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/* Cancel analog input autoscan */
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#undef AI_DO_CMD_DEBUG
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static int pci9111_ai_cancel(struct comedi_device * dev, struct comedi_subdevice * s)
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{
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// Disable interrupts
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/* Disable interrupts */
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plx9050_interrupt_control(dev_private->lcr_io_base, true, true, true,
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true, false);
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@ -547,9 +533,7 @@ static int pci9111_ai_cancel(struct comedi_device * dev, struct comedi_subdevice
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return 0;
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}
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//
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// Test analog input command
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//
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/* Test analog input command */
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#define pci9111_check_trigger_src(src,flags) \
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tmp = src; \
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@ -566,7 +550,7 @@ pci9111_ai_do_cmd_test(struct comedi_device * dev,
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int i;
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struct pci9111_board *board = (struct pci9111_board *) dev->board_ptr;
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// Step 1 : check if trigger are trivialy valid
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/* Step 1 : check if trigger are trivialy valid */
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pci9111_check_trigger_src(cmd->start_src, TRIG_NOW);
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pci9111_check_trigger_src(cmd->scan_begin_src,
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@ -578,7 +562,7 @@ pci9111_ai_do_cmd_test(struct comedi_device * dev,
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if (error)
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return 1;
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// step 2 : make sure trigger sources are unique and mutually compatible
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/* step 2 : make sure trigger sources are unique and mutually compatible */
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if (cmd->start_src != TRIG_NOW)
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error++;
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@ -610,7 +594,7 @@ pci9111_ai_do_cmd_test(struct comedi_device * dev,
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if (error)
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return 2;
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// Step 3 : make sure arguments are trivialy compatible
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/* Step 3 : make sure arguments are trivialy compatible */
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if (cmd->chanlist_len < 1) {
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cmd->chanlist_len = 1;
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@ -669,7 +653,7 @@ pci9111_ai_do_cmd_test(struct comedi_device * dev,
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if (error)
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return 3;
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// Step 4 : fix up any arguments
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/* Step 4 : fix up any arguments */
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if (cmd->convert_src == TRIG_TIMER) {
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tmp = cmd->convert_arg;
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@ -680,8 +664,8 @@ pci9111_ai_do_cmd_test(struct comedi_device * dev,
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if (tmp != cmd->convert_arg)
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error++;
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}
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// There's only one timer on this card, so the scan_begin timer must
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// be a multiple of chanlist_len*convert_arg
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/* There's only one timer on this card, so the scan_begin timer must */
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/* be a multiple of chanlist_len*convert_arg */
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if (cmd->scan_begin_src == TRIG_TIMER) {
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@ -710,7 +694,7 @@ pci9111_ai_do_cmd_test(struct comedi_device * dev,
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if (error)
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return 4;
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// Step 5 : check channel list
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/* Step 5 : check channel list */
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if (cmd->chanlist) {
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@ -754,9 +738,7 @@ pci9111_ai_do_cmd_test(struct comedi_device * dev,
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}
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//
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// Analog input command
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//
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/* Analog input command */
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static int pci9111_ai_do_cmd(struct comedi_device * dev, struct comedi_subdevice * subdevice)
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{
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@ -767,12 +749,9 @@ static int pci9111_ai_do_cmd(struct comedi_device * dev, struct comedi_subdevice
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"no irq assigned for PCI9111, cannot do hardware conversion");
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return -1;
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}
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// Set channel scan limit
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//
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// PCI9111 allows only scanning from channel 0 to channel n
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//
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// TODO: handle the case of an external multiplexer
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//
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/* Set channel scan limit */
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/* PCI9111 allows only scanning from channel 0 to channel n */
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/* TODO: handle the case of an external multiplexer */
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if (async_cmd->chanlist_len > 1) {
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pci9111_ai_channel_set((async_cmd->chanlist_len) - 1);
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@ -782,10 +761,8 @@ static int pci9111_ai_do_cmd(struct comedi_device * dev, struct comedi_subdevice
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pci9111_autoscan_set(dev, false);
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}
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// Set gain
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//
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// This is the same gain on every channel
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//
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/* Set gain */
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/* This is the same gain on every channel */
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pci9111_ai_range_set(CR_RANGE(async_cmd->chanlist[0]));
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@ -808,7 +785,7 @@ static int pci9111_ai_do_cmd(struct comedi_device * dev, struct comedi_subdevice
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return -1;
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}
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// Set timer pacer
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/* Set timer pacer */
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dev_private->scan_delay = 0;
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switch (async_cmd->convert_src) {
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@ -901,11 +878,9 @@ static void pci9111_ai_munge(struct comedi_device * dev, struct comedi_subdevice
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}
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}
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// ------------------------------------------------------------------
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//
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// INTERRUPT SECTION
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//
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// ------------------------------------------------------------------
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/* ------------------------------------------------------------------ */
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/* INTERRUPT SECTION */
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/* ------------------------------------------------------------------ */
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#undef INTERRUPT_DEBUG
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@ -918,8 +893,8 @@ static irqreturn_t pci9111_interrupt(int irq, void *p_device PT_REGS_ARG)
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unsigned char intcsr;
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if (!dev->attached) {
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// Ignore interrupt before device fully attached.
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// Might not even have allocated subdevices yet!
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/* Ignore interrupt before device fully attached. */
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/* Might not even have allocated subdevices yet! */
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return IRQ_NONE;
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}
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@ -927,7 +902,7 @@ static irqreturn_t pci9111_interrupt(int irq, void *p_device PT_REGS_ARG)
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comedi_spin_lock_irqsave(&dev->spinlock, irq_flags);
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// Check if we are source of interrupt
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/* Check if we are source of interrupt */
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intcsr = inb(dev_private->lcr_io_base +
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PLX9050_REGISTER_INTERRUPT_CONTROL);
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if (!(((intcsr & PLX9050_PCI_INTERRUPT_ENABLE) != 0)
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@ -941,15 +916,15 @@ static irqreturn_t pci9111_interrupt(int irq, void *p_device PT_REGS_ARG)
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==
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(PLX9050_LINTI2_ENABLE |
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PLX9050_LINTI2_STATUS))))) {
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// Not the source of the interrupt.
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// (N.B. not using PLX9050_SOFTWARE_INTERRUPT)
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/* Not the source of the interrupt. */
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/* (N.B. not using PLX9050_SOFTWARE_INTERRUPT) */
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comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
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return IRQ_NONE;
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}
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if ((intcsr & (PLX9050_LINTI1_ENABLE | PLX9050_LINTI1_STATUS)) ==
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(PLX9050_LINTI1_ENABLE | PLX9050_LINTI1_STATUS)) {
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// Interrupt comes from fifo_half-full signal
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/* Interrupt comes from fifo_half-full signal */
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if (pci9111_is_fifo_full()) {
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comedi_spin_unlock_irqrestore(&dev->spinlock,
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@ -1059,15 +1034,11 @@ static irqreturn_t pci9111_interrupt(int irq, void *p_device PT_REGS_ARG)
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return IRQ_HANDLED;
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}
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// ------------------------------------------------------------------
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//
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// INSTANT ANALOG INPUT OUTPUT SECTION
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//
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// ------------------------------------------------------------------
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/* ------------------------------------------------------------------ */
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/* INSTANT ANALOG INPUT OUTPUT SECTION */
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/* ------------------------------------------------------------------ */
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//
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// analog instant input
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//
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/* analog instant input */
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#undef AI_INSN_DEBUG
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@ -1126,9 +1097,7 @@ static int pci9111_ai_insn_read(struct comedi_device * dev,
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return i;
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}
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//
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// Analog instant output
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//
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/* Analog instant output */
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static int
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pci9111_ao_insn_write(struct comedi_device * dev,
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@ -1144,9 +1113,7 @@ pci9111_ao_insn_write(struct comedi_device * dev,
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return i;
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}
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//
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// Analog output readback
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//
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/* Analog output readback */
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static int pci9111_ao_insn_read(struct comedi_device * dev,
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struct comedi_subdevice * s, struct comedi_insn * insn, unsigned int * data)
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@ -1160,15 +1127,11 @@ static int pci9111_ao_insn_read(struct comedi_device * dev,
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return i;
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}
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// ------------------------------------------------------------------
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//
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// DIGITAL INPUT OUTPUT SECTION
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//
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// ------------------------------------------------------------------
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/* ------------------------------------------------------------------ */
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/* DIGITAL INPUT OUTPUT SECTION */
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/* ------------------------------------------------------------------ */
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//
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// Digital inputs
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//
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/* Digital inputs */
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static int pci9111_di_insn_bits(struct comedi_device * dev,
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struct comedi_subdevice * subdevice, struct comedi_insn * insn, unsigned int * data)
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@ -1181,18 +1144,16 @@ static int pci9111_di_insn_bits(struct comedi_device * dev,
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return 2;
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}
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//
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// Digital outputs
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//
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/* Digital outputs */
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static int pci9111_do_insn_bits(struct comedi_device * dev,
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struct comedi_subdevice * subdevice, struct comedi_insn * insn, unsigned int * data)
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{
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unsigned int bits;
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// Only set bits that have been masked
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// data[0] = mask
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// data[1] = bit state
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/* Only set bits that have been masked */
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/* data[0] = mask */
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/* data[1] = bit state */
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data[0] &= PCI9111_DO_MASK;
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@ -1208,19 +1169,15 @@ static int pci9111_do_insn_bits(struct comedi_device * dev,
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return 2;
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}
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// ------------------------------------------------------------------
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//
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// INITIALISATION SECTION
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//
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// ------------------------------------------------------------------
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/* ------------------------------------------------------------------ */
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/* INITIALISATION SECTION */
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/* ------------------------------------------------------------------ */
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//
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// Reset device
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//
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/* Reset device */
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static int pci9111_reset(struct comedi_device * dev)
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{
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// Set trigger source to software
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/* Set trigger source to software */
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|
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plx9050_interrupt_control(dev_private->lcr_io_base, true, true, true,
|
||||
true, false);
|
||||
@ -1229,7 +1186,7 @@ static int pci9111_reset(struct comedi_device * dev)
|
||||
pci9111_pretrigger_set(dev, false);
|
||||
pci9111_autoscan_set(dev, false);
|
||||
|
||||
// Reset 8254 chip
|
||||
/* Reset 8254 chip */
|
||||
|
||||
dev_private->timer_divisor_1 = 0;
|
||||
dev_private->timer_divisor_2 = 0;
|
||||
@ -1239,12 +1196,9 @@ static int pci9111_reset(struct comedi_device * dev)
|
||||
return 0;
|
||||
}
|
||||
|
||||
//
|
||||
// Attach
|
||||
//
|
||||
// - Register PCI device
|
||||
// - Declare device driver capability
|
||||
//
|
||||
/* Attach */
|
||||
/* - Register PCI device */
|
||||
/* - Declare device driver capability */
|
||||
|
||||
static int pci9111_attach(struct comedi_device * dev, struct comedi_devconfig * it)
|
||||
{
|
||||
@ -1257,9 +1211,7 @@ static int pci9111_attach(struct comedi_device * dev, struct comedi_devconfig *
|
||||
if (alloc_private(dev, sizeof(struct pci9111_private_data)) < 0) {
|
||||
return -ENOMEM;
|
||||
}
|
||||
//
|
||||
// Probe the device to determine what device in the series it is.
|
||||
//
|
||||
/* Probe the device to determine what device in the series it is. */
|
||||
|
||||
printk("comedi%d: " PCI9111_DRIVER_NAME " driver\n", dev->minor);
|
||||
|
||||
@ -1271,10 +1223,10 @@ static int pci9111_attach(struct comedi_device * dev, struct comedi_devconfig *
|
||||
for (i = 0; i < pci9111_board_nbr; i++) {
|
||||
if (pci9111_boards[i].device_id ==
|
||||
pci_device->device) {
|
||||
// was a particular bus/slot requested?
|
||||
/* was a particular bus/slot requested? */
|
||||
if ((it->options[0] != 0)
|
||||
|| (it->options[1] != 0)) {
|
||||
// are we on the wrong bus/slot?
|
||||
/* are we on the wrong bus/slot? */
|
||||
if (pci_device->bus->number !=
|
||||
it->options[0]
|
||||
|| PCI_SLOT(pci_device->
|
||||
@ -1307,24 +1259,24 @@ static int pci9111_attach(struct comedi_device * dev, struct comedi_devconfig *
|
||||
PCI_SLOT(pci_device->devfn),
|
||||
PCI_FUNC(pci_device->devfn), pci_device->irq);
|
||||
|
||||
// TODO: Warn about non-tested boards.
|
||||
/* TODO: Warn about non-tested boards. */
|
||||
|
||||
switch (board->device_id) {
|
||||
};
|
||||
|
||||
// Read local configuration register base address [PCI_BASE_ADDRESS #1].
|
||||
/* Read local configuration register base address [PCI_BASE_ADDRESS #1]. */
|
||||
|
||||
lcr_io_base = pci_resource_start(pci_device, 1);
|
||||
lcr_io_range = pci_resource_len(pci_device, 1);
|
||||
|
||||
printk("comedi%d: local configuration registers at address 0x%4lx [0x%4lx]\n", dev->minor, lcr_io_base, lcr_io_range);
|
||||
|
||||
// Enable PCI device and request regions
|
||||
/* Enable PCI device and request regions */
|
||||
if (comedi_pci_enable(pci_device, PCI9111_DRIVER_NAME) < 0) {
|
||||
printk("comedi%d: Failed to enable PCI device and request regions\n", dev->minor);
|
||||
return -EIO;
|
||||
}
|
||||
// Read PCI6308 register base address [PCI_BASE_ADDRESS #2].
|
||||
/* Read PCI6308 register base address [PCI_BASE_ADDRESS #2]. */
|
||||
|
||||
io_base = pci_resource_start(pci_device, 2);
|
||||
io_range = pci_resource_len(pci_device, 2);
|
||||
@ -1341,7 +1293,7 @@ static int pci9111_attach(struct comedi_device * dev, struct comedi_devconfig *
|
||||
|
||||
pci9111_reset(dev);
|
||||
|
||||
// Irq setup
|
||||
/* Irq setup */
|
||||
|
||||
dev->irq = 0;
|
||||
if (pci_device->irq > 0) {
|
||||
@ -1355,9 +1307,7 @@ static int pci9111_attach(struct comedi_device * dev, struct comedi_devconfig *
|
||||
}
|
||||
dev->irq = pci_device->irq;
|
||||
|
||||
//
|
||||
// TODO: Add external multiplexer setup (according to option[2]).
|
||||
//
|
||||
/* TODO: Add external multiplexer setup (according to option[2]). */
|
||||
|
||||
if ((error = alloc_subdevices(dev, 4)) < 0)
|
||||
return error;
|
||||
@ -1368,12 +1318,9 @@ static int pci9111_attach(struct comedi_device * dev, struct comedi_devconfig *
|
||||
subdevice->type = COMEDI_SUBD_AI;
|
||||
subdevice->subdev_flags = SDF_READABLE | SDF_COMMON | SDF_CMD_READ;
|
||||
|
||||
//
|
||||
// TODO: Add external multiplexer data
|
||||
//
|
||||
// if (devpriv->usemux) { subdevice->n_chan = devpriv->usemux; }
|
||||
// else { subdevice->n_chan = this_board->n_aichan; }
|
||||
//
|
||||
/* TODO: Add external multiplexer data */
|
||||
/* if (devpriv->usemux) { subdevice->n_chan = devpriv->usemux; } */
|
||||
/* else { subdevice->n_chan = this_board->n_aichan; } */
|
||||
|
||||
subdevice->n_chan = board->ai_channel_nbr;
|
||||
subdevice->maxdata = board->ai_resolution_mask;
|
||||
@ -1416,20 +1363,18 @@ static int pci9111_attach(struct comedi_device * dev, struct comedi_devconfig *
|
||||
return 0;
|
||||
}
|
||||
|
||||
//
|
||||
// Detach
|
||||
//
|
||||
/* Detach */
|
||||
|
||||
static int pci9111_detach(struct comedi_device * dev)
|
||||
{
|
||||
// Reset device
|
||||
/* Reset device */
|
||||
|
||||
if (dev->private != 0) {
|
||||
if (dev_private->is_valid)
|
||||
pci9111_reset(dev);
|
||||
|
||||
}
|
||||
// Release previously allocated irq
|
||||
/* Release previously allocated irq */
|
||||
|
||||
if (dev->irq != 0) {
|
||||
comedi_free_irq(dev->irq, dev);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user