read insn for analog out
*/
+#include <linux/interrupt.h>
+#include <linux/slab.h>
#include "../comedidev.h"
#include <linux/ioport.h>
das1802hr, das1802hr_da, das1801hc, das1802hc, das1801ao, das1802ao
};
-static int das1800_attach(struct comedi_device * dev, struct comedi_devconfig * it);
-static int das1800_detach(struct comedi_device * dev);
-static int das1800_probe(struct comedi_device * dev);
-static int das1800_cancel(struct comedi_device * dev, struct comedi_subdevice * s);
+static int das1800_attach(struct comedi_device *dev,
+ struct comedi_devconfig *it);
+static int das1800_detach(struct comedi_device *dev);
+static int das1800_probe(struct comedi_device *dev);
+static int das1800_cancel(struct comedi_device *dev,
+ struct comedi_subdevice *s);
static irqreturn_t das1800_interrupt(int irq, void *d);
-static int das1800_ai_poll(struct comedi_device * dev, struct comedi_subdevice * s);
-static void das1800_ai_handler(struct comedi_device * dev);
-static void das1800_handle_dma(struct comedi_device * dev, struct comedi_subdevice * s,
- unsigned int status);
-static void das1800_flush_dma(struct comedi_device * dev, struct comedi_subdevice * s);
-static void das1800_flush_dma_channel(struct comedi_device * dev, struct comedi_subdevice * s,
- unsigned int channel, uint16_t * buffer);
-static void das1800_handle_fifo_half_full(struct comedi_device * dev,
- struct comedi_subdevice * s);
-static void das1800_handle_fifo_not_empty(struct comedi_device * dev,
- struct comedi_subdevice * s);
-static int das1800_ai_do_cmdtest(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_cmd * cmd);
-static int das1800_ai_do_cmd(struct comedi_device * dev, struct comedi_subdevice * s);
-static int das1800_ai_rinsn(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_insn * insn, unsigned int * data);
-static int das1800_ao_winsn(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_insn * insn, unsigned int * data);
-static int das1800_di_rbits(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_insn * insn, unsigned int * data);
-static int das1800_do_wbits(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_insn * insn, unsigned int * data);
-
-static int das1800_set_frequency(struct comedi_device * dev);
+static int das1800_ai_poll(struct comedi_device *dev,
+ struct comedi_subdevice *s);
+static void das1800_ai_handler(struct comedi_device *dev);
+static void das1800_handle_dma(struct comedi_device *dev,
+ struct comedi_subdevice *s, unsigned int status);
+static void das1800_flush_dma(struct comedi_device *dev,
+ struct comedi_subdevice *s);
+static void das1800_flush_dma_channel(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ unsigned int channel, uint16_t * buffer);
+static void das1800_handle_fifo_half_full(struct comedi_device *dev,
+ struct comedi_subdevice *s);
+static void das1800_handle_fifo_not_empty(struct comedi_device *dev,
+ struct comedi_subdevice *s);
+static int das1800_ai_do_cmdtest(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_cmd *cmd);
+static int das1800_ai_do_cmd(struct comedi_device *dev,
+ struct comedi_subdevice *s);
+static int das1800_ai_rinsn(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data);
+static int das1800_ao_winsn(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data);
+static int das1800_di_rbits(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data);
+static int das1800_do_wbits(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data);
+
+static int das1800_set_frequency(struct comedi_device *dev);
static unsigned int burst_convert_arg(unsigned int convert_arg, int round_mode);
-static unsigned int suggest_transfer_size(struct comedi_cmd * cmd);
+static unsigned int suggest_transfer_size(struct comedi_cmd *cmd);
/* analog input ranges */
static const struct comedi_lrange range_ai_das1801 = {
8,
{
- RANGE(-5, 5),
- RANGE(-1, 1),
- RANGE(-0.1, 0.1),
- RANGE(-0.02, 0.02),
- RANGE(0, 5),
- RANGE(0, 1),
- RANGE(0, 0.1),
- RANGE(0, 0.02),
- }
+ RANGE(-5, 5),
+ RANGE(-1, 1),
+ RANGE(-0.1, 0.1),
+ RANGE(-0.02, 0.02),
+ RANGE(0, 5),
+ RANGE(0, 1),
+ RANGE(0, 0.1),
+ RANGE(0, 0.02),
+ }
};
static const struct comedi_lrange range_ai_das1802 = {
8,
{
- RANGE(-10, 10),
- RANGE(-5, 5),
- RANGE(-2.5, 2.5),
- RANGE(-1.25, 1.25),
- RANGE(0, 10),
- RANGE(0, 5),
- RANGE(0, 2.5),
- RANGE(0, 1.25),
- }
+ RANGE(-10, 10),
+ RANGE(-5, 5),
+ RANGE(-2.5, 2.5),
+ RANGE(-1.25, 1.25),
+ RANGE(0, 10),
+ RANGE(0, 5),
+ RANGE(0, 2.5),
+ RANGE(0, 1.25),
+ }
};
struct das1800_board {
*/
static const struct das1800_board das1800_boards[] = {
{
- .name = "das-1701st",
- .ai_speed = 6250,
- .resolution = 12,
- .qram_len = 256,
- .common = 1,
- .do_n_chan = 4,
- .ao_ability = 0,
- .ao_n_chan = 0,
- .range_ai = &range_ai_das1801,
- },
+ .name = "das-1701st",
+ .ai_speed = 6250,
+ .resolution = 12,
+ .qram_len = 256,
+ .common = 1,
+ .do_n_chan = 4,
+ .ao_ability = 0,
+ .ao_n_chan = 0,
+ .range_ai = &range_ai_das1801,
+ },
{
- .name = "das-1701st-da",
- .ai_speed = 6250,
- .resolution = 12,
- .qram_len = 256,
- .common = 1,
- .do_n_chan = 4,
- .ao_ability = 1,
- .ao_n_chan = 4,
- .range_ai = &range_ai_das1801,
- },
+ .name = "das-1701st-da",
+ .ai_speed = 6250,
+ .resolution = 12,
+ .qram_len = 256,
+ .common = 1,
+ .do_n_chan = 4,
+ .ao_ability = 1,
+ .ao_n_chan = 4,
+ .range_ai = &range_ai_das1801,
+ },
{
- .name = "das-1702st",
- .ai_speed = 6250,
- .resolution = 12,
- .qram_len = 256,
- .common = 1,
- .do_n_chan = 4,
- .ao_ability = 0,
- .ao_n_chan = 0,
- .range_ai = &range_ai_das1802,
- },
+ .name = "das-1702st",
+ .ai_speed = 6250,
+ .resolution = 12,
+ .qram_len = 256,
+ .common = 1,
+ .do_n_chan = 4,
+ .ao_ability = 0,
+ .ao_n_chan = 0,
+ .range_ai = &range_ai_das1802,
+ },
{
- .name = "das-1702st-da",
- .ai_speed = 6250,
- .resolution = 12,
- .qram_len = 256,
- .common = 1,
- .do_n_chan = 4,
- .ao_ability = 1,
- .ao_n_chan = 4,
- .range_ai = &range_ai_das1802,
- },
+ .name = "das-1702st-da",
+ .ai_speed = 6250,
+ .resolution = 12,
+ .qram_len = 256,
+ .common = 1,
+ .do_n_chan = 4,
+ .ao_ability = 1,
+ .ao_n_chan = 4,
+ .range_ai = &range_ai_das1802,
+ },
{
- .name = "das-1702hr",
- .ai_speed = 20000,
- .resolution = 16,
- .qram_len = 256,
- .common = 1,
- .do_n_chan = 4,
- .ao_ability = 0,
- .ao_n_chan = 0,
- .range_ai = &range_ai_das1802,
- },
+ .name = "das-1702hr",
+ .ai_speed = 20000,
+ .resolution = 16,
+ .qram_len = 256,
+ .common = 1,
+ .do_n_chan = 4,
+ .ao_ability = 0,
+ .ao_n_chan = 0,
+ .range_ai = &range_ai_das1802,
+ },
{
- .name = "das-1702hr-da",
- .ai_speed = 20000,
- .resolution = 16,
- .qram_len = 256,
- .common = 1,
- .do_n_chan = 4,
- .ao_ability = 1,
- .ao_n_chan = 2,
- .range_ai = &range_ai_das1802,
- },
+ .name = "das-1702hr-da",
+ .ai_speed = 20000,
+ .resolution = 16,
+ .qram_len = 256,
+ .common = 1,
+ .do_n_chan = 4,
+ .ao_ability = 1,
+ .ao_n_chan = 2,
+ .range_ai = &range_ai_das1802,
+ },
{
- .name = "das-1701ao",
- .ai_speed = 6250,
- .resolution = 12,
- .qram_len = 256,
- .common = 1,
- .do_n_chan = 4,
- .ao_ability = 2,
- .ao_n_chan = 2,
- .range_ai = &range_ai_das1801,
- },
+ .name = "das-1701ao",
+ .ai_speed = 6250,
+ .resolution = 12,
+ .qram_len = 256,
+ .common = 1,
+ .do_n_chan = 4,
+ .ao_ability = 2,
+ .ao_n_chan = 2,
+ .range_ai = &range_ai_das1801,
+ },
{
- .name = "das-1702ao",
- .ai_speed = 6250,
- .resolution = 12,
- .qram_len = 256,
- .common = 1,
- .do_n_chan = 4,
- .ao_ability = 2,
- .ao_n_chan = 2,
- .range_ai = &range_ai_das1802,
- },
+ .name = "das-1702ao",
+ .ai_speed = 6250,
+ .resolution = 12,
+ .qram_len = 256,
+ .common = 1,
+ .do_n_chan = 4,
+ .ao_ability = 2,
+ .ao_n_chan = 2,
+ .range_ai = &range_ai_das1802,
+ },
{
- .name = "das-1801st",
- .ai_speed = 3000,
- .resolution = 12,
- .qram_len = 256,
- .common = 1,
- .do_n_chan = 4,
- .ao_ability = 0,
- .ao_n_chan = 0,
- .range_ai = &range_ai_das1801,
- },
+ .name = "das-1801st",
+ .ai_speed = 3000,
+ .resolution = 12,
+ .qram_len = 256,
+ .common = 1,
+ .do_n_chan = 4,
+ .ao_ability = 0,
+ .ao_n_chan = 0,
+ .range_ai = &range_ai_das1801,
+ },
{
- .name = "das-1801st-da",
- .ai_speed = 3000,
- .resolution = 12,
- .qram_len = 256,
- .common = 1,
- .do_n_chan = 4,
- .ao_ability = 0,
- .ao_n_chan = 4,
- .range_ai = &range_ai_das1801,
- },
+ .name = "das-1801st-da",
+ .ai_speed = 3000,
+ .resolution = 12,
+ .qram_len = 256,
+ .common = 1,
+ .do_n_chan = 4,
+ .ao_ability = 0,
+ .ao_n_chan = 4,
+ .range_ai = &range_ai_das1801,
+ },
{
- .name = "das-1802st",
- .ai_speed = 3000,
- .resolution = 12,
- .qram_len = 256,
- .common = 1,
- .do_n_chan = 4,
- .ao_ability = 0,
- .ao_n_chan = 0,
- .range_ai = &range_ai_das1802,
- },
+ .name = "das-1802st",
+ .ai_speed = 3000,
+ .resolution = 12,
+ .qram_len = 256,
+ .common = 1,
+ .do_n_chan = 4,
+ .ao_ability = 0,
+ .ao_n_chan = 0,
+ .range_ai = &range_ai_das1802,
+ },
{
- .name = "das-1802st-da",
- .ai_speed = 3000,
- .resolution = 12,
- .qram_len = 256,
- .common = 1,
- .do_n_chan = 4,
- .ao_ability = 1,
- .ao_n_chan = 4,
- .range_ai = &range_ai_das1802,
- },
+ .name = "das-1802st-da",
+ .ai_speed = 3000,
+ .resolution = 12,
+ .qram_len = 256,
+ .common = 1,
+ .do_n_chan = 4,
+ .ao_ability = 1,
+ .ao_n_chan = 4,
+ .range_ai = &range_ai_das1802,
+ },
{
- .name = "das-1802hr",
- .ai_speed = 10000,
- .resolution = 16,
- .qram_len = 256,
- .common = 1,
- .do_n_chan = 4,
- .ao_ability = 0,
- .ao_n_chan = 0,
- .range_ai = &range_ai_das1802,
- },
+ .name = "das-1802hr",
+ .ai_speed = 10000,
+ .resolution = 16,
+ .qram_len = 256,
+ .common = 1,
+ .do_n_chan = 4,
+ .ao_ability = 0,
+ .ao_n_chan = 0,
+ .range_ai = &range_ai_das1802,
+ },
{
- .name = "das-1802hr-da",
- .ai_speed = 10000,
- .resolution = 16,
- .qram_len = 256,
- .common = 1,
- .do_n_chan = 4,
- .ao_ability = 1,
- .ao_n_chan = 2,
- .range_ai = &range_ai_das1802,
- },
+ .name = "das-1802hr-da",
+ .ai_speed = 10000,
+ .resolution = 16,
+ .qram_len = 256,
+ .common = 1,
+ .do_n_chan = 4,
+ .ao_ability = 1,
+ .ao_n_chan = 2,
+ .range_ai = &range_ai_das1802,
+ },
{
- .name = "das-1801hc",
- .ai_speed = 3000,
- .resolution = 12,
- .qram_len = 64,
- .common = 0,
- .do_n_chan = 8,
- .ao_ability = 1,
- .ao_n_chan = 2,
- .range_ai = &range_ai_das1801,
- },
+ .name = "das-1801hc",
+ .ai_speed = 3000,
+ .resolution = 12,
+ .qram_len = 64,
+ .common = 0,
+ .do_n_chan = 8,
+ .ao_ability = 1,
+ .ao_n_chan = 2,
+ .range_ai = &range_ai_das1801,
+ },
{
- .name = "das-1802hc",
- .ai_speed = 3000,
- .resolution = 12,
- .qram_len = 64,
- .common = 0,
- .do_n_chan = 8,
- .ao_ability = 1,
- .ao_n_chan = 2,
- .range_ai = &range_ai_das1802,
- },
+ .name = "das-1802hc",
+ .ai_speed = 3000,
+ .resolution = 12,
+ .qram_len = 64,
+ .common = 0,
+ .do_n_chan = 8,
+ .ao_ability = 1,
+ .ao_n_chan = 2,
+ .range_ai = &range_ai_das1802,
+ },
{
- .name = "das-1801ao",
- .ai_speed = 3000,
- .resolution = 12,
- .qram_len = 256,
- .common = 1,
- .do_n_chan = 4,
- .ao_ability = 2,
- .ao_n_chan = 2,
- .range_ai = &range_ai_das1801,
- },
+ .name = "das-1801ao",
+ .ai_speed = 3000,
+ .resolution = 12,
+ .qram_len = 256,
+ .common = 1,
+ .do_n_chan = 4,
+ .ao_ability = 2,
+ .ao_n_chan = 2,
+ .range_ai = &range_ai_das1801,
+ },
{
- .name = "das-1802ao",
- .ai_speed = 3000,
- .resolution = 12,
- .qram_len = 256,
- .common = 1,
- .do_n_chan = 4,
- .ao_ability = 2,
- .ao_n_chan = 2,
- .range_ai = &range_ai_das1802,
- },
+ .name = "das-1802ao",
+ .ai_speed = 3000,
+ .resolution = 12,
+ .qram_len = 256,
+ .common = 1,
+ .do_n_chan = 4,
+ .ao_ability = 2,
+ .ao_n_chan = 2,
+ .range_ai = &range_ai_das1802,
+ },
};
/*
static const struct comedi_lrange range_ao_1 = {
1,
{
- RANGE(-10, 10),
- }
+ RANGE(-10, 10),
+ }
};
/* analog out range for 'ao' boards */
.module = THIS_MODULE,
.attach = das1800_attach,
.detach = das1800_detach,
- .num_names = sizeof(das1800_boards) / sizeof(struct das1800_board),
+ .num_names = ARRAY_SIZE(das1800_boards),
.board_name = &das1800_boards[0].name,
.offset = sizeof(struct das1800_board),
};
COMEDI_INITCLEANUP(driver_das1800);
static int das1800_init_dma(struct comedi_device *dev, unsigned int dma0,
- unsigned int dma1)
+ unsigned int dma1)
{
unsigned long flags;
break;
default:
printk(" only supports dma channels 5 through 7\n"
- " Dual dma only allows the following combinations:\n"
- " dma 5,6 / 6,7 / or 7,5\n");
+ " Dual dma only allows the following combinations:\n"
+ " dma 5,6 / 6,7 / or 7,5\n");
return -EINVAL;
break;
}
if (dma1) {
if (request_dma(dma1, driver_das1800.driver_name)) {
printk(" failed to allocate dma channel %i\n",
- dma1);
+ dma1);
return -EINVAL;
}
devpriv->dma1 = dma1;
devpriv->dma_current_buf = devpriv->ai_buf0;
if (dma1) {
devpriv->ai_buf1 =
- kmalloc(DMA_BUF_SIZE, GFP_KERNEL | GFP_DMA);
+ kmalloc(DMA_BUF_SIZE, GFP_KERNEL | GFP_DMA);
if (devpriv->ai_buf1 == NULL)
return -ENOMEM;
}
return 0;
}
-static int das1800_attach(struct comedi_device *dev, struct comedi_devconfig *it)
+static int das1800_attach(struct comedi_device *dev,
+ struct comedi_devconfig *it)
{
struct comedi_subdevice *s;
unsigned long iobase = it->options[0];
return -ENOMEM;
printk("comedi%d: %s: io 0x%lx", dev->minor, driver_das1800.driver_name,
- iobase);
+ iobase);
if (irq) {
printk(", irq %u", irq);
if (dma0) {
/* check if io addresses are available */
if (!request_region(iobase, DAS1800_SIZE, driver_das1800.driver_name)) {
- printk(" I/O port conflict: failed to allocate ports 0x%lx to 0x%lx\n", iobase, iobase + DAS1800_SIZE - 1);
+ printk
+ (" I/O port conflict: failed to allocate ports 0x%lx to 0x%lx\n",
+ iobase, iobase + DAS1800_SIZE - 1);
return -EIO;
}
dev->iobase = iobase;
if (thisboard->ao_ability == 2) {
iobase2 = iobase + IOBASE2;
if (!request_region(iobase2, DAS1800_SIZE,
- driver_das1800.driver_name)) {
- printk(" I/O port conflict: failed to allocate ports 0x%lx to 0x%lx\n", iobase2, iobase2 + DAS1800_SIZE - 1);
+ driver_das1800.driver_name)) {
+ printk
+ (" I/O port conflict: failed to allocate ports 0x%lx to 0x%lx\n",
+ iobase2, iobase2 + DAS1800_SIZE - 1);
return -EIO;
}
devpriv->iobase2 = iobase2;
/* grab our IRQ */
if (irq) {
- if (comedi_request_irq(irq, das1800_interrupt, 0,
+ if (request_irq(irq, das1800_interrupt, 0,
driver_das1800.driver_name, dev)) {
printk(" unable to allocate irq %u\n", irq);
return -EINVAL;
if (devpriv->ai_buf0 == NULL) {
devpriv->ai_buf0 =
- kmalloc(FIFO_SIZE * sizeof(uint16_t), GFP_KERNEL);
+ kmalloc(FIFO_SIZE * sizeof(uint16_t), GFP_KERNEL);
if (devpriv->ai_buf0 == NULL)
return -ENOMEM;
}
if (thisboard->ao_ability == 1) {
/* select 'update' dac channel for baseAddress + 0x0 */
outb(DAC(thisboard->ao_n_chan - 1),
- dev->iobase + DAS1800_SELECT);
+ dev->iobase + DAS1800_SELECT);
outw(devpriv->ao_update_bits, dev->iobase + DAS1800_DAC);
}
if (dev->iobase)
release_region(dev->iobase, DAS1800_SIZE);
if (dev->irq)
- comedi_free_irq(dev->irq, dev);
+ free_irq(dev->irq, dev);
if (dev->private) {
if (devpriv->iobase2)
release_region(devpriv->iobase2, DAS1800_SIZE);
}
printk("comedi%d: %s: remove\n", dev->minor,
- driver_das1800.driver_name);
+ driver_das1800.driver_name);
return 0;
};
int board;
id = (inb(dev->iobase + DAS1800_DIGITAL) >> 4) & 0xf; /* get id bits */
- board = ((struct das1800_board *) dev->board_ptr) - das1800_boards;
+ board = ((struct das1800_board *)dev->board_ptr) - das1800_boards;
switch (id) {
case 0x3:
if (board == das1801st_da || board == das1802st_da ||
- board == das1701st_da || board == das1702st_da) {
+ board == das1701st_da || board == das1702st_da) {
printk(" Board model: %s\n",
- das1800_boards[board].name);
+ das1800_boards[board].name);
return board;
}
- printk(" Board model (probed, not recommended): das-1800st-da series\n");
+ printk
+ (" Board model (probed, not recommended): das-1800st-da series\n");
return das1801st;
break;
case 0x4:
if (board == das1802hr_da || board == das1702hr_da) {
printk(" Board model: %s\n",
- das1800_boards[board].name);
+ das1800_boards[board].name);
return board;
}
- printk(" Board model (probed, not recommended): das-1802hr-da\n");
+ printk
+ (" Board model (probed, not recommended): das-1802hr-da\n");
return das1802hr;
break;
case 0x5:
if (board == das1801ao || board == das1802ao ||
- board == das1701ao || board == das1702ao) {
+ board == das1701ao || board == das1702ao) {
printk(" Board model: %s\n",
- das1800_boards[board].name);
+ das1800_boards[board].name);
return board;
}
- printk(" Board model (probed, not recommended): das-1800ao series\n");
+ printk
+ (" Board model (probed, not recommended): das-1800ao series\n");
return das1801ao;
break;
case 0x6:
if (board == das1802hr || board == das1702hr) {
printk(" Board model: %s\n",
- das1800_boards[board].name);
+ das1800_boards[board].name);
return board;
}
printk(" Board model (probed, not recommended): das-1802hr\n");
break;
case 0x7:
if (board == das1801st || board == das1802st ||
- board == das1701st || board == das1702st) {
+ board == das1701st || board == das1702st) {
printk(" Board model: %s\n",
- das1800_boards[board].name);
+ das1800_boards[board].name);
return board;
}
- printk(" Board model (probed, not recommended): das-1800st series\n");
+ printk
+ (" Board model (probed, not recommended): das-1800st series\n");
return das1801st;
break;
case 0x8:
if (board == das1801hc || board == das1802hc) {
printk(" Board model: %s\n",
- das1800_boards[board].name);
+ das1800_boards[board].name);
return board;
}
- printk(" Board model (probed, not recommended): das-1800hc series\n");
+ printk
+ (" Board model (probed, not recommended): das-1800hc series\n");
return das1801hc;
break;
default:
- printk(" Board model: probe returned 0x%x (unknown, please report)\n", id);
+ printk
+ (" Board model: probe returned 0x%x (unknown, please report)\n",
+ id);
return board;
break;
}
return -1;
}
-static int das1800_ai_poll(struct comedi_device *dev, struct comedi_subdevice *s)
+static int das1800_ai_poll(struct comedi_device *dev,
+ struct comedi_subdevice *s)
{
unsigned long flags;
/* prevent race with interrupt handler */
- comedi_spin_lock_irqsave(&dev->spinlock, flags);
+ spin_lock_irqsave(&dev->spinlock, flags);
das1800_ai_handler(dev);
- comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+ spin_unlock_irqrestore(&dev->spinlock, flags);
return s->async->buf_write_count - s->async->buf_read_count;
}
return;
}
-static void das1800_handle_dma(struct comedi_device *dev, struct comedi_subdevice *s,
- unsigned int status)
+static void das1800_handle_dma(struct comedi_device *dev,
+ struct comedi_subdevice *s, unsigned int status)
{
unsigned long flags;
const int dual_dma = devpriv->irq_dma_bits & DMA_DUAL;
flags = claim_dma_lock();
das1800_flush_dma_channel(dev, s, devpriv->dma_current,
- devpriv->dma_current_buf);
+ devpriv->dma_current_buf);
/* re-enable dma channel */
set_dma_addr(devpriv->dma_current,
- virt_to_bus(devpriv->dma_current_buf));
+ virt_to_bus(devpriv->dma_current_buf));
set_dma_count(devpriv->dma_current, devpriv->dma_transfer_size);
enable_dma(devpriv->dma_current);
release_dma_lock(flags);
}
static inline uint16_t munge_bipolar_sample(const struct comedi_device *dev,
- uint16_t sample)
+ uint16_t sample)
{
sample += 1 << (thisboard->resolution - 1);
return sample;
}
-static void munge_data(struct comedi_device *dev, uint16_t *array,
- unsigned int num_elements)
+static void munge_data(struct comedi_device *dev, uint16_t * array,
+ unsigned int num_elements)
{
unsigned int i;
int unipolar;
/* Utility function used by das1800_flush_dma() and das1800_handle_dma().
* Assumes dma lock is held */
-static void das1800_flush_dma_channel(struct comedi_device *dev, struct comedi_subdevice *s,
- unsigned int channel, uint16_t *buffer)
+static void das1800_flush_dma_channel(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ unsigned int channel, uint16_t * buffer)
{
unsigned int num_bytes, num_samples;
struct comedi_cmd *cmd = &s->async->cmd;
/* flushes remaining data from board when external trigger has stopped aquisition
* and we are using dma transfers */
-static void das1800_flush_dma(struct comedi_device *dev, struct comedi_subdevice *s)
+static void das1800_flush_dma(struct comedi_device *dev,
+ struct comedi_subdevice *s)
{
unsigned long flags;
const int dual_dma = devpriv->irq_dma_bits & DMA_DUAL;
flags = claim_dma_lock();
das1800_flush_dma_channel(dev, s, devpriv->dma_current,
- devpriv->dma_current_buf);
+ devpriv->dma_current_buf);
if (dual_dma) {
/* switch to other channel and flush it */
devpriv->dma_current_buf = devpriv->ai_buf0;
}
das1800_flush_dma_channel(dev, s, devpriv->dma_current,
- devpriv->dma_current_buf);
+ devpriv->dma_current_buf);
}
release_dma_lock(flags);
}
static void das1800_handle_fifo_half_full(struct comedi_device *dev,
- struct comedi_subdevice *s)
+ struct comedi_subdevice *s)
{
int numPoints = 0; /* number of points to read */
struct comedi_cmd *cmd = &s->async->cmd;
insw(dev->iobase + DAS1800_FIFO, devpriv->ai_buf0, numPoints);
munge_data(dev, devpriv->ai_buf0, numPoints);
cfc_write_array_to_buffer(s, devpriv->ai_buf0,
- numPoints * sizeof(devpriv->ai_buf0[0]));
+ numPoints * sizeof(devpriv->ai_buf0[0]));
if (cmd->stop_src == TRIG_COUNT)
devpriv->count -= numPoints;
return;
}
static void das1800_handle_fifo_not_empty(struct comedi_device *dev,
- struct comedi_subdevice *s)
+ struct comedi_subdevice *s)
{
short dpnt;
int unipolar;
}
/* test analog input cmd */
-static int das1800_ai_do_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_cmd *cmd)
+static int das1800_ai_do_cmdtest(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_cmd *cmd)
{
int err = 0;
int tmp;
if (cmd->start_src != TRIG_NOW && cmd->start_src != TRIG_EXT)
err++;
if (cmd->scan_begin_src != TRIG_FOLLOW &&
- cmd->scan_begin_src != TRIG_TIMER &&
- cmd->scan_begin_src != TRIG_EXT)
+ cmd->scan_begin_src != TRIG_TIMER &&
+ cmd->scan_begin_src != TRIG_EXT)
err++;
if (cmd->convert_src != TRIG_TIMER && cmd->convert_src != TRIG_EXT)
err++;
if (cmd->stop_src != TRIG_COUNT &&
- cmd->stop_src != TRIG_NONE && cmd->stop_src != TRIG_EXT)
+ cmd->stop_src != TRIG_NONE && cmd->stop_src != TRIG_EXT)
err++;
/* compatibility check */
if (cmd->scan_begin_src != TRIG_FOLLOW &&
- cmd->convert_src != TRIG_TIMER)
+ cmd->convert_src != TRIG_TIMER)
err++;
if (err)
tmp_arg = cmd->convert_arg;
/* calculate counter values that give desired timing */
i8253_cascade_ns_to_timer_2div(TIMER_BASE,
- &(devpriv->divisor1), &(devpriv->divisor2),
- &(cmd->convert_arg),
- cmd->flags & TRIG_ROUND_MASK);
+ &(devpriv->divisor1),
+ &(devpriv->divisor2),
+ &(cmd->convert_arg),
+ cmd->
+ flags & TRIG_ROUND_MASK);
if (tmp_arg != cmd->convert_arg)
err++;
}
/* check that convert_arg is compatible */
tmp_arg = cmd->convert_arg;
cmd->convert_arg =
- burst_convert_arg(cmd->convert_arg,
- cmd->flags & TRIG_ROUND_MASK);
+ burst_convert_arg(cmd->convert_arg,
+ cmd->flags & TRIG_ROUND_MASK);
if (tmp_arg != cmd->convert_arg)
err++;
if (cmd->scan_begin_src == TRIG_TIMER) {
/* if scans are timed faster than conversion rate allows */
if (cmd->convert_arg * cmd->chanlist_len >
- cmd->scan_begin_arg) {
+ cmd->scan_begin_arg) {
cmd->scan_begin_arg =
- cmd->convert_arg *
- cmd->chanlist_len;
+ cmd->convert_arg *
+ cmd->chanlist_len;
err++;
}
tmp_arg = cmd->scan_begin_arg;
/* calculate counter values that give desired timing */
i8253_cascade_ns_to_timer_2div(TIMER_BASE,
- &(devpriv->divisor1),
- &(devpriv->divisor2),
- &(cmd->scan_begin_arg),
- cmd->flags & TRIG_ROUND_MASK);
+ &(devpriv->
+ divisor1),
+ &(devpriv->
+ divisor2),
+ &(cmd->
+ scan_begin_arg),
+ cmd->
+ flags &
+ TRIG_ROUND_MASK);
if (tmp_arg != cmd->scan_begin_arg)
err++;
}
for (i = 1; i < cmd->chanlist_len; i++) {
if (unipolar != (CR_RANGE(cmd->chanlist[i]) & UNIPOLAR)) {
comedi_error(dev,
- "unipolar and bipolar ranges cannot be mixed in the chanlist");
+ "unipolar and bipolar ranges cannot be mixed in the chanlist");
err++;
break;
}
if (cmd.convert_src == TRIG_TIMER) {
/* set conversion frequency */
i8253_cascade_ns_to_timer_2div(TIMER_BASE,
- &(devpriv->divisor1), &(devpriv->divisor2),
- &(cmd.convert_arg),
- cmd.flags & TRIG_ROUND_MASK);
+ &(devpriv->divisor1),
+ &(devpriv->divisor2),
+ &(cmd.convert_arg),
+ cmd.
+ flags & TRIG_ROUND_MASK);
if (das1800_set_frequency(dev) < 0) {
return -1;
}
case TRIG_TIMER: /* in burst mode */
/* set scan frequency */
i8253_cascade_ns_to_timer_2div(TIMER_BASE, &(devpriv->divisor1),
- &(devpriv->divisor2), &(cmd.scan_begin_arg),
- cmd.flags & TRIG_ROUND_MASK);
+ &(devpriv->divisor2),
+ &(cmd.scan_begin_arg),
+ cmd.flags & TRIG_ROUND_MASK);
if (das1800_set_frequency(dev) < 0) {
return -1;
}
n = cmd.chanlist_len;
/* spinlock protects indirect addressing */
- comedi_spin_lock_irqsave(&dev->spinlock, irq_flags);
+ spin_lock_irqsave(&dev->spinlock, irq_flags);
outb(QRAM, dev->iobase + DAS1800_SELECT); /* select QRAM for baseAddress + 0x0 */
outb(n - 1, dev->iobase + DAS1800_QRAM_ADDRESS); /*set QRAM address start */
/* make channel / gain list */
for (i = 0; i < n; i++) {
chan_range =
- CR_CHAN(cmd.chanlist[i]) | ((CR_RANGE(cmd.
- chanlist[i]) & range_mask) <<
- range_bitshift);
+ CR_CHAN(cmd.
+ chanlist[i]) | ((CR_RANGE(cmd.chanlist[i]) &
+ range_mask) << range_bitshift);
outw(chan_range, dev->iobase + DAS1800_QRAM);
}
outb(n - 1, dev->iobase + DAS1800_QRAM_ADDRESS); /*finish write to QRAM */
- comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+ spin_unlock_irqrestore(&dev->spinlock, irq_flags);
return;
}
/* analog input do_cmd */
-static int das1800_ai_do_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
+static int das1800_ai_do_cmd(struct comedi_device *dev,
+ struct comedi_subdevice *s)
{
int ret;
int control_a, control_c;
if (!dev->irq) {
comedi_error(dev,
- "no irq assigned for das-1800, cannot do hardware conversions");
+ "no irq assigned for das-1800, cannot do hardware conversions");
return -1;
}
if (control_c & BMDE) {
/* program conversion period with number of microseconds minus 1 */
outb(cmd.convert_arg / 1000 - 1,
- dev->iobase + DAS1800_BURST_RATE);
+ dev->iobase + DAS1800_BURST_RATE);
outb(cmd.chanlist_len - 1, dev->iobase + DAS1800_BURST_LENGTH);
}
outb(devpriv->irq_dma_bits, dev->iobase + DAS1800_CONTROL_B); /* enable irq/dma */
}
/* read analog input */
-static int das1800_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+static int das1800_ai_rinsn(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
int i, n;
int chan, range, aref, chan_range;
/* mask of unipolar/bipolar bit from range */
range = CR_RANGE(insn->chanspec) & 0x3;
chan_range = chan | (range << 8);
- comedi_spin_lock_irqsave(&dev->spinlock, irq_flags);
+ spin_lock_irqsave(&dev->spinlock, irq_flags);
outb(QRAM, dev->iobase + DAS1800_SELECT); /* select QRAM for baseAddress + 0x0 */
outb(0x0, dev->iobase + DAS1800_QRAM_ADDRESS); /* set QRAM address start */
outw(chan_range, dev->iobase + DAS1800_QRAM);
dpnt += 1 << (thisboard->resolution - 1);
data[n] = dpnt;
}
- comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+ spin_unlock_irqrestore(&dev->spinlock, irq_flags);
return n;
}
/* writes to an analog output channel */
-static int das1800_ao_winsn(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+static int das1800_ao_winsn(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
int chan = CR_CHAN(insn->chanspec);
/* int range = CR_RANGE(insn->chanspec); */
if (chan == update_chan)
devpriv->ao_update_bits = output;
/* write to channel */
- comedi_spin_lock_irqsave(&dev->spinlock, irq_flags);
+ spin_lock_irqsave(&dev->spinlock, irq_flags);
outb(DAC(chan), dev->iobase + DAS1800_SELECT); /* select dac channel for baseAddress + 0x0 */
outw(output, dev->iobase + DAS1800_DAC);
/* now we need to write to 'update' channel to update all dac channels */
outb(DAC(update_chan), dev->iobase + DAS1800_SELECT); /* select 'update' channel for baseAddress + 0x0 */
outw(devpriv->ao_update_bits, dev->iobase + DAS1800_DAC);
}
- comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+ spin_unlock_irqrestore(&dev->spinlock, irq_flags);
return 1;
}
/* reads from digital input channels */
-static int das1800_di_rbits(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+static int das1800_di_rbits(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
data[1] = inb(dev->iobase + DAS1800_DIGITAL) & 0xf;
}
/* writes to digital output channels */
-static int das1800_do_wbits(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+static int das1800_do_wbits(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
unsigned int wbits;
/* counter 1, mode 2 */
if (i8254_load(dev->iobase + DAS1800_COUNTER, 0, 1, devpriv->divisor1,
- 2))
+ 2))
err++;
/* counter 2, mode 2 */
if (i8254_load(dev->iobase + DAS1800_COUNTER, 0, 2, devpriv->divisor2,
- 2))
+ 2))
err++;
if (err)
return -1;
break;
case TRIG_TIMER:
size = (fill_time / (cmd->scan_begin_arg * cmd->chanlist_len)) *
- sample_size;
+ sample_size;
break;
default:
size = DMA_BUF_SIZE;
max_size = DMA_BUF_SIZE;
/* if we are taking limited number of conversions, limit transfer size to that */
if (cmd->stop_src == TRIG_COUNT &&
- cmd->stop_arg * cmd->chanlist_len * sample_size < max_size)
+ cmd->stop_arg * cmd->chanlist_len * sample_size < max_size)
max_size = cmd->stop_arg * cmd->chanlist_len * sample_size;
if (size > max_size)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff