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path: root/drivers/staging/comedi/drivers/ni_labpc.h
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Diffstat (limited to 'drivers/staging/comedi/drivers/ni_labpc.h')
-rw-r--r--drivers/staging/comedi/drivers/ni_labpc.h52
1 files changed, 39 insertions, 13 deletions
diff --git a/drivers/staging/comedi/drivers/ni_labpc.h b/drivers/staging/comedi/drivers/ni_labpc.h
index 82596345dcf4..422cee58a967 100644
--- a/drivers/staging/comedi/drivers/ni_labpc.h
+++ b/drivers/staging/comedi/drivers/ni_labpc.h
@@ -38,19 +38,27 @@ struct labpc_board_struct {
int device_id; /* device id for pci and pcmcia boards */
int ai_speed; /* maximum input speed in nanoseconds */
enum labpc_bustype bustype; /* ISA/PCI/etc. */
- enum labpc_register_layout register_layout; /* 1200 has extra registers compared to pc+ */
+
+ /* 1200 has extra registers compared to pc+ */
+ enum labpc_register_layout register_layout;
int has_ao; /* has analog output true/false */
const struct comedi_lrange *ai_range_table;
const int *ai_range_code;
const int *ai_range_is_unipolar;
- unsigned ai_scan_up:1; /* board can auto scan up in ai channels, not just down */
- unsigned memory_mapped_io:1; /* uses memory mapped io instead of ioports */
+
+ /* board can auto scan up in ai channels, not just down */
+ unsigned ai_scan_up:1;
+
+ /* uses memory mapped io instead of ioports */
+ unsigned memory_mapped_io:1;
};
struct labpc_private {
struct mite_struct *mite; /* for mite chip on pci-1200 */
- volatile unsigned long long count; /* number of data points left to be taken */
- unsigned int ao_value[NUM_AO_CHAN]; /* software copy of analog output values */
+ /* number of data points left to be taken */
+ volatile unsigned long long count;
+ /* software copy of analog output values */
+ unsigned int ao_value[NUM_AO_CHAN];
/* software copys of bits written to command registers */
volatile unsigned int command1_bits;
volatile unsigned int command2_bits;
@@ -61,16 +69,34 @@ struct labpc_private {
/* store last read of board status registers */
volatile unsigned int status1_bits;
volatile unsigned int status2_bits;
- unsigned int divisor_a0; /* value to load into board's counter a0 (conversion pacing) for timed conversions */
- unsigned int divisor_b0; /* value to load into board's counter b0 (master) for timed conversions */
- unsigned int divisor_b1; /* value to load into board's counter b1 (scan pacing) for timed conversions */
+ /*
+ * value to load into board's counter a0 (conversion pacing) for timed
+ * conversions
+ */
+ unsigned int divisor_a0;
+ /*
+ * value to load into board's counter b0 (master) for timed conversions
+ */
+ unsigned int divisor_b0;
+ /*
+ * value to load into board's counter b1 (scan pacing) for timed
+ * conversions
+ */
+ unsigned int divisor_b1;
unsigned int dma_chan; /* dma channel to use */
u16 *dma_buffer; /* buffer ai will dma into */
- unsigned int dma_transfer_size; /* transfer size in bytes for current transfer */
- enum transfer_type current_transfer; /* we are using dma/fifo-half-full/etc. */
- unsigned int eeprom_data[EEPROM_SIZE]; /* stores contents of board's eeprom */
- unsigned int caldac[16]; /* stores settings of calibration dacs */
- /* function pointers so we can use inb/outb or readb/writeb as appropriate */
+ /* transfer size in bytes for current transfer */
+ unsigned int dma_transfer_size;
+ /* we are using dma/fifo-half-full/etc. */
+ enum transfer_type current_transfer;
+ /* stores contents of board's eeprom */
+ unsigned int eeprom_data[EEPROM_SIZE];
+ /* stores settings of calibration dacs */
+ unsigned int caldac[16];
+ /*
+ * function pointers so we can use inb/outb or readb/writeb as
+ * appropriate
+ */
unsigned int (*read_byte) (unsigned long address);
void (*write_byte) (unsigned int byte, unsigned long address);
};