#include "../comedi_pci.h"
+/*
+ * PCI BAR0 - dual-ported RAM location definitions (dev->mmio)
+ */
+#define DPR_DAC_BUFFER (4 * 0x000)
+#define DPR_ADC_BUFFER (4 * 0x800)
+#define DPR_COMMAND (4 * 0xfd3)
+#define DPR_SUBSYS (4 * 0xfd3)
+#define DPR_ENCODE (4 * 0xfd4)
+#define DPR_PARAMS(x) (4 * (0xfd5 + (x)))
+#define DPR_TICK_REG_LO (4 * 0xff5)
+#define DPR_TICK_REG_HI (4 * 0xff6)
+#define DPR_DA_BUF_FRONT (4 * 0xff7)
+#define DPR_DA_BUF_REAR (4 * 0xff8)
+#define DPR_AD_BUF_FRONT (4 * 0xff9)
+#define DPR_AD_BUF_REAR (4 * 0xffa)
+#define DPR_INT_MASK (4 * 0xffb)
+#define DPR_INTR_FLAG (4 * 0xffc)
+#define DPR_RESPONSE_MBX (4 * 0xffe)
+#define DPR_COMMAND_MBX (4 * 0xfff)
+
static const struct comedi_lrange range_dt3000_ai = {
4, {
BIP_RANGE(10),
},
};
-/* dual-ported RAM location definitions */
-
-#define DPR_DAC_buffer (4*0x000)
-#define DPR_ADC_buffer (4*0x800)
-#define DPR_Command (4*0xfd3)
-#define DPR_SubSys (4*0xfd3)
-#define DPR_Encode (4*0xfd4)
-#define DPR_Params(a) (4*(0xfd5+(a)))
-#define DPR_Tick_Reg_Lo (4*0xff5)
-#define DPR_Tick_Reg_Hi (4*0xff6)
-#define DPR_DA_Buf_Front (4*0xff7)
-#define DPR_DA_Buf_Rear (4*0xff8)
-#define DPR_AD_Buf_Front (4*0xff9)
-#define DPR_AD_Buf_Rear (4*0xffa)
-#define DPR_Int_Mask (4*0xffb)
-#define DPR_Intr_Flag (4*0xffc)
-#define DPR_Response_Mbx (4*0xffe)
-#define DPR_Command_Mbx (4*0xfff)
-
#define AI_FIFO_DEPTH 2003
#define AO_FIFO_DEPTH 2048
int i;
unsigned int status = 0;
- writew(cmd, dev->mmio + DPR_Command_Mbx);
+ writew(cmd, dev->mmio + DPR_COMMAND_MBX);
for (i = 0; i < TIMEOUT; i++) {
- status = readw(dev->mmio + DPR_Command_Mbx);
+ status = readw(dev->mmio + DPR_COMMAND_MBX);
if ((status & DT3000_COMPLETION_MASK) != DT3000_NOTPROCESSED)
break;
udelay(1);
unsigned int subsys, unsigned int chan,
unsigned int gain)
{
- writew(subsys, dev->mmio + DPR_SubSys);
+ writew(subsys, dev->mmio + DPR_SUBSYS);
- writew(chan, dev->mmio + DPR_Params(0));
- writew(gain, dev->mmio + DPR_Params(1));
+ writew(chan, dev->mmio + DPR_PARAMS(0));
+ writew(gain, dev->mmio + DPR_PARAMS(1));
dt3k_send_cmd(dev, CMD_READSINGLE);
- return readw(dev->mmio + DPR_Params(2));
+ return readw(dev->mmio + DPR_PARAMS(2));
}
static void dt3k_writesingle(struct comedi_device *dev, unsigned int subsys,
unsigned int chan, unsigned int data)
{
- writew(subsys, dev->mmio + DPR_SubSys);
+ writew(subsys, dev->mmio + DPR_SUBSYS);
- writew(chan, dev->mmio + DPR_Params(0));
- writew(0, dev->mmio + DPR_Params(1));
- writew(data, dev->mmio + DPR_Params(2));
+ writew(chan, dev->mmio + DPR_PARAMS(0));
+ writew(0, dev->mmio + DPR_PARAMS(1));
+ writew(data, dev->mmio + DPR_PARAMS(2));
dt3k_send_cmd(dev, CMD_WRITESINGLE);
}
int i;
unsigned short data;
- front = readw(dev->mmio + DPR_AD_Buf_Front);
+ front = readw(dev->mmio + DPR_AD_BUF_FRONT);
count = front - devpriv->ai_front;
if (count < 0)
count += AI_FIFO_DEPTH;
rear = devpriv->ai_rear;
for (i = 0; i < count; i++) {
- data = readw(dev->mmio + DPR_ADC_buffer + rear);
+ data = readw(dev->mmio + DPR_ADC_BUFFER + rear);
comedi_buf_write_samples(s, &data, 1);
rear++;
if (rear >= AI_FIFO_DEPTH)
}
devpriv->ai_rear = rear;
- writew(rear, dev->mmio + DPR_AD_Buf_Rear);
+ writew(rear, dev->mmio + DPR_AD_BUF_REAR);
}
static int dt3k_ai_cancel(struct comedi_device *dev,
struct comedi_subdevice *s)
{
- writew(SUBS_AI, dev->mmio + DPR_SubSys);
+ writew(SUBS_AI, dev->mmio + DPR_SUBSYS);
dt3k_send_cmd(dev, CMD_STOP);
- writew(0, dev->mmio + DPR_Int_Mask);
+ writew(0, dev->mmio + DPR_INT_MASK);
return 0;
}
if (!dev->attached)
return IRQ_NONE;
- status = readw(dev->mmio + DPR_Intr_Flag);
+ status = readw(dev->mmio + DPR_INTR_FLAG);
if (status & DT3000_ADFULL)
dt3k_ai_empty_fifo(dev, s);
chan = CR_CHAN(cmd->chanlist[i]);
range = CR_RANGE(cmd->chanlist[i]);
- writew((range << 6) | chan, dev->mmio + DPR_ADC_buffer + i);
+ writew((range << 6) | chan, dev->mmio + DPR_ADC_BUFFER + i);
}
aref = CR_AREF(cmd->chanlist[0]);
- writew(cmd->scan_end_arg, dev->mmio + DPR_Params(0));
+ writew(cmd->scan_end_arg, dev->mmio + DPR_PARAMS(0));
if (cmd->convert_src == TRIG_TIMER) {
divider = dt3k_ns_to_timer(50, &cmd->convert_arg, cmd->flags);
- writew((divider >> 16), dev->mmio + DPR_Params(1));
- writew((divider & 0xffff), dev->mmio + DPR_Params(2));
+ writew((divider >> 16), dev->mmio + DPR_PARAMS(1));
+ writew((divider & 0xffff), dev->mmio + DPR_PARAMS(2));
}
if (cmd->scan_begin_src == TRIG_TIMER) {
tscandiv = dt3k_ns_to_timer(100, &cmd->scan_begin_arg,
cmd->flags);
- writew((tscandiv >> 16), dev->mmio + DPR_Params(3));
- writew((tscandiv & 0xffff), dev->mmio + DPR_Params(4));
+ writew((tscandiv >> 16), dev->mmio + DPR_PARAMS(3));
+ writew((tscandiv & 0xffff), dev->mmio + DPR_PARAMS(4));
}
- writew(DT3000_AD_RETRIG_INTERNAL, dev->mmio + DPR_Params(5));
- writew(aref == AREF_DIFF, dev->mmio + DPR_Params(6));
+ writew(DT3000_AD_RETRIG_INTERNAL, dev->mmio + DPR_PARAMS(5));
+ writew(aref == AREF_DIFF, dev->mmio + DPR_PARAMS(6));
- writew(AI_FIFO_DEPTH / 2, dev->mmio + DPR_Params(7));
+ writew(AI_FIFO_DEPTH / 2, dev->mmio + DPR_PARAMS(7));
- writew(SUBS_AI, dev->mmio + DPR_SubSys);
+ writew(SUBS_AI, dev->mmio + DPR_SUBSYS);
dt3k_send_cmd(dev, CMD_CONFIG);
writew(DT3000_ADFULL | DT3000_ADSWERR | DT3000_ADHWERR,
- dev->mmio + DPR_Int_Mask);
+ dev->mmio + DPR_INT_MASK);
debug_n_ints = 0;
- writew(SUBS_AI, dev->mmio + DPR_SubSys);
+ writew(SUBS_AI, dev->mmio + DPR_SUBSYS);
dt3k_send_cmd(dev, CMD_START);
return 0;
static void dt3k_dio_config(struct comedi_device *dev, int bits)
{
/* XXX */
- writew(SUBS_DOUT, dev->mmio + DPR_SubSys);
+ writew(SUBS_DOUT, dev->mmio + DPR_SUBSYS);
- writew(bits, dev->mmio + DPR_Params(0));
+ writew(bits, dev->mmio + DPR_PARAMS(0));
#if 0
/* don't know */
- writew(0, dev->mmio + DPR_Params(1));
- writew(0, dev->mmio + DPR_Params(2));
+ writew(0, dev->mmio + DPR_PARAMS(1));
+ writew(0, dev->mmio + DPR_PARAMS(2));
#endif
dt3k_send_cmd(dev, CMD_CONFIG);
int i;
for (i = 0; i < insn->n; i++) {
- writew(SUBS_MEM, dev->mmio + DPR_SubSys);
- writew(addr, dev->mmio + DPR_Params(0));
- writew(1, dev->mmio + DPR_Params(1));
+ writew(SUBS_MEM, dev->mmio + DPR_SUBSYS);
+ writew(addr, dev->mmio + DPR_PARAMS(0));
+ writew(1, dev->mmio + DPR_PARAMS(1));
dt3k_send_cmd(dev, CMD_READCODE);
- data[i] = readw(dev->mmio + DPR_Params(2));
+ data[i] = readw(dev->mmio + DPR_PARAMS(2));
}
return i;