int next_dma_buf; /* which DMA buffer will be used next round */
long dma_runs_to_end; /* how many we must permorm DMA transfer to end of record */
unsigned long last_dma_run; /* how many bytes we must transfer on last DMA page */
- unsigned char neverending_ai; /* if=1, then we do neverending record (you must use cancel()) */
unsigned int ns_min; /* manimal allowed delay between samples (in us) for actual card */
int i8253_osc_base; /* 1/frequency of on board oscilator in ns */
- int irq_blocked; /* 1=IRQ now uses any subdev */
- int irq_was_now_closed; /* when IRQ finish, there's stored int818_mode for last interrupt */
int ai_mode; /* who now uses IRQ - 1=AI1 int, 2=AI1 dma, 3=AI3 int, 4AI3 dma */
int ai_act_scan; /* how many scans we finished */
int ai_act_chan; /* actual position in actual scan */
unsigned int act_chanlist_len; /* how long is actual MUX list */
unsigned int act_chanlist_pos; /* actual position in MUX list */
unsigned int ai_data_len; /* len of data buffer */
- unsigned char usefifo; /* 1=use fifo */
unsigned int ao_readback[2];
unsigned int divisor1;
unsigned int divisor2;
+ unsigned int usefifo:1;
+ unsigned int irq_blocked:1;
+ unsigned int irq_was_now_closed:1;
+ unsigned int neverending_ai:1;
};
static const unsigned int muxonechan[] = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, /* used for gain list programming */