*/
#include <linux/pci.h>
+#include <linux/interrupt.h>
#include <asm/dma.h>
#include "../comedidev.h"
#include "comedi_fc.h"
#undef DEBUG
-//#define DEBUG
+/* #define DEBUG */
#ifdef DEBUG
-#define DEBUG_PRINT(format, args...) rt_printk("das16: " format, ## args)
+#define DEBUG_PRINT(format, args...) printk("das16: " format, ## args)
#else
#define DEBUG_PRINT(format, args...)
#endif
-#define DAS16_SIZE 20 // number of ioports
-#define DAS16_DMA_SIZE 0xff00 // size in bytes of allocated dma buffer
+#define DAS16_SIZE 20 /* number of ioports */
+#define DAS16_DMA_SIZE 0xff00 /* size in bytes of allocated dma buffer */
/*
cio-das16.pdf
*/
-static const int sample_size = 2; // size in bytes of a sample from board
+static const int sample_size = 2; /* size in bytes of a sample from board */
#define DAS16_TRIG 0
#define DAS16_AI_LSB 0
#define DAS1600_CLK_10MHZ 0x01
static const struct comedi_lrange range_das1x01_bip = { 4, {
- BIP_RANGE(10),
- BIP_RANGE(1),
- BIP_RANGE(0.1),
- BIP_RANGE(0.01),
- }
+ BIP_RANGE(10),
+ BIP_RANGE(1),
+ BIP_RANGE(0.1),
+ BIP_RANGE(0.01),
+ }
};
+
static const struct comedi_lrange range_das1x01_unip = { 4, {
- UNI_RANGE(10),
- UNI_RANGE(1),
- UNI_RANGE(0.1),
- UNI_RANGE(0.01),
- }
+ UNI_RANGE(10),
+ UNI_RANGE(1),
+ UNI_RANGE(0.1),
+ UNI_RANGE(0.01),
+ }
};
+
static const struct comedi_lrange range_das1x02_bip = { 4, {
- BIP_RANGE(10),
- BIP_RANGE(5),
- BIP_RANGE(2.5),
- BIP_RANGE(1.25),
- }
+ BIP_RANGE(10),
+ BIP_RANGE(5),
+ BIP_RANGE(2.5),
+ BIP_RANGE(1.25),
+ }
};
+
static const struct comedi_lrange range_das1x02_unip = { 4, {
- UNI_RANGE(10),
- UNI_RANGE(5),
- UNI_RANGE(2.5),
- UNI_RANGE(1.25),
- }
+ UNI_RANGE(10),
+ UNI_RANGE(5),
+ UNI_RANGE(2.5),
+ UNI_RANGE(1.25),
+ }
};
+
static const struct comedi_lrange range_das16jr = { 9, {
- // also used by 16/330
- BIP_RANGE(10),
- BIP_RANGE(5),
- BIP_RANGE(2.5),
- BIP_RANGE(1.25),
- BIP_RANGE(0.625),
- UNI_RANGE(10),
- UNI_RANGE(5),
- UNI_RANGE(2.5),
- UNI_RANGE(1.25),
- }
+ /* also used by 16/330 */
+ BIP_RANGE(10),
+ BIP_RANGE(5),
+ BIP_RANGE(2.5),
+ BIP_RANGE(1.25),
+ BIP_RANGE(0.625),
+ UNI_RANGE(10),
+ UNI_RANGE(5),
+ UNI_RANGE(2.5),
+ UNI_RANGE(1.25),
+ }
};
+
static const struct comedi_lrange range_das16jr_16 = { 8, {
- BIP_RANGE(10),
- BIP_RANGE(5),
- BIP_RANGE(2.5),
- BIP_RANGE(1.25),
- UNI_RANGE(10),
- UNI_RANGE(5),
- UNI_RANGE(2.5),
- UNI_RANGE(1.25),
- }
+ BIP_RANGE(10),
+ BIP_RANGE(5),
+ BIP_RANGE(2.5),
+ BIP_RANGE(1.25),
+ UNI_RANGE(10),
+ UNI_RANGE(5),
+ UNI_RANGE(2.5),
+ UNI_RANGE(1.25),
+ }
};
static const int das16jr_gainlist[] = { 8, 0, 1, 2, 3, 4, 5, 6, 7 };
static const int das16jr_16_gainlist[] = { 0, 1, 2, 3, 4, 5, 6, 7 };
static const int das1600_gainlist[] = { 0, 1, 2, 3 };
+
enum {
das16_pg_none = 0,
das16_pg_16jr,
das1600_gainlist,
das1600_gainlist,
};
+
static const struct comedi_lrange *const das16_ai_uni_lranges[] = {
&range_unknown,
&range_das16jr,
&range_das1x01_unip,
&range_das1x02_unip,
};
+
static const struct comedi_lrange *const das16_ai_bip_lranges[] = {
&range_unknown,
&range_das16jr,
unsigned have_byte:1;
};
-static int das16_ao_winsn(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_insn * insn, unsigned int * data);
-static int das16_do_wbits(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_insn * insn, unsigned int * data);
-static int das16_di_rbits(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_insn * insn, unsigned int * data);
-static int das16_ai_rinsn(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_insn * insn, unsigned int * data);
-
-static int das16_cmd_test(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_cmd * cmd);
-static int das16_cmd_exec(struct comedi_device * dev, struct comedi_subdevice * s);
-static int das16_cancel(struct comedi_device * dev, struct comedi_subdevice * s);
-static void das16_ai_munge(struct comedi_device * dev, struct comedi_subdevice * s,
- void *array, unsigned int num_bytes, unsigned int start_chan_index);
-
-static void das16_reset(struct comedi_device * dev);
-static irqreturn_t das16_dma_interrupt(int irq, void *d PT_REGS_ARG);
+static int das16_ao_winsn(struct comedi_device *dev, struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data);
+static int das16_do_wbits(struct comedi_device *dev, struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data);
+static int das16_di_rbits(struct comedi_device *dev, struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data);
+static int das16_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data);
+
+static int das16_cmd_test(struct comedi_device *dev, struct comedi_subdevice *s,
+ struct comedi_cmd *cmd);
+static int das16_cmd_exec(struct comedi_device *dev,
+ struct comedi_subdevice *s);
+static int das16_cancel(struct comedi_device *dev, struct comedi_subdevice *s);
+static void das16_ai_munge(struct comedi_device *dev,
+ struct comedi_subdevice *s, void *array,
+ unsigned int num_bytes,
+ unsigned int start_chan_index);
+
+static void das16_reset(struct comedi_device *dev);
+static irqreturn_t das16_dma_interrupt(int irq, void *d);
static void das16_timer_interrupt(unsigned long arg);
-static void das16_interrupt(struct comedi_device * dev);
+static void das16_interrupt(struct comedi_device *dev);
-static unsigned int das16_set_pacer(struct comedi_device * dev, unsigned int ns,
- int flags);
-static int das1600_mode_detect(struct comedi_device * dev);
-static unsigned int das16_suggest_transfer_size(struct comedi_device * dev,
- struct comedi_cmd cmd);
+static unsigned int das16_set_pacer(struct comedi_device *dev, unsigned int ns,
+ int flags);
+static int das1600_mode_detect(struct comedi_device *dev);
+static unsigned int das16_suggest_transfer_size(struct comedi_device *dev,
+ struct comedi_cmd cmd);
-static void reg_dump(struct comedi_device * dev);
+static void reg_dump(struct comedi_device *dev);
-typedef struct das16_board_struct {
+struct das16_board {
const char *name;
void *ai;
unsigned int ai_nbits;
- unsigned int ai_speed; // max conversion speed in nanosec
+ unsigned int ai_speed; /* max conversion speed in nanosec */
unsigned int ai_pg;
void *ao;
unsigned int ao_nbits;
unsigned int size;
unsigned int id;
-} das16_board;
+};
-static const struct das16_board_struct das16_boards[] = {
+static const struct das16_board das16_boards[] = {
{
- name: "das-16",
- ai: das16_ai_rinsn,
- ai_nbits:12,
- ai_speed:15000,
- ai_pg: das16_pg_none,
- ao: das16_ao_winsn,
- ao_nbits:12,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0x10,
- i8254_offset:0x0c,
- size: 0x14,
- id: 0x00,
- },
+ .name = "das-16",
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 12,
+ .ai_speed = 15000,
+ .ai_pg = das16_pg_none,
+ .ao = das16_ao_winsn,
+ .ao_nbits = 12,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0x10,
+ .i8254_offset = 0x0c,
+ .size = 0x14,
+ .id = 0x00,
+ },
{
- name: "das-16g",
- ai: das16_ai_rinsn,
- ai_nbits:12,
- ai_speed:15000,
- ai_pg: das16_pg_none,
- ao: das16_ao_winsn,
- ao_nbits:12,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0x10,
- i8254_offset:0x0c,
- size: 0x14,
- id: 0x00,
- },
+ .name = "das-16g",
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 12,
+ .ai_speed = 15000,
+ .ai_pg = das16_pg_none,
+ .ao = das16_ao_winsn,
+ .ao_nbits = 12,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0x10,
+ .i8254_offset = 0x0c,
+ .size = 0x14,
+ .id = 0x00,
+ },
{
- name: "das-16f",
- ai: das16_ai_rinsn,
- ai_nbits:12,
- ai_speed:8500,
- ai_pg: das16_pg_none,
- ao: das16_ao_winsn,
- ao_nbits:12,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0x10,
- i8254_offset:0x0c,
- size: 0x14,
- id: 0x00,
- },
+ .name = "das-16f",
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 12,
+ .ai_speed = 8500,
+ .ai_pg = das16_pg_none,
+ .ao = das16_ao_winsn,
+ .ao_nbits = 12,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0x10,
+ .i8254_offset = 0x0c,
+ .size = 0x14,
+ .id = 0x00,
+ },
{
- name: "cio-das16", // cio-das16.pdf
- ai: das16_ai_rinsn,
- ai_nbits:12,
- ai_speed:20000,
- ai_pg: das16_pg_none,
- ao: das16_ao_winsn,
- ao_nbits:12,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0x10,
- i8254_offset:0x0c,
- size: 0x14,
- id: 0x80,
- },
+ .name = "cio-das16", /* cio-das16.pdf */
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 12,
+ .ai_speed = 20000,
+ .ai_pg = das16_pg_none,
+ .ao = das16_ao_winsn,
+ .ao_nbits = 12,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0x10,
+ .i8254_offset = 0x0c,
+ .size = 0x14,
+ .id = 0x80,
+ },
{
- name: "cio-das16/f", // das16.pdf
- ai: das16_ai_rinsn,
- ai_nbits:12,
- ai_speed:10000,
- ai_pg: das16_pg_none,
- ao: das16_ao_winsn,
- ao_nbits:12,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0x10,
- i8254_offset:0x0c,
- size: 0x14,
- id: 0x80,
- },
+ .name = "cio-das16/f", /* das16.pdf */
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 12,
+ .ai_speed = 10000,
+ .ai_pg = das16_pg_none,
+ .ao = das16_ao_winsn,
+ .ao_nbits = 12,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0x10,
+ .i8254_offset = 0x0c,
+ .size = 0x14,
+ .id = 0x80,
+ },
{
- name: "cio-das16/jr", // cio-das16jr.pdf
- ai: das16_ai_rinsn,
- ai_nbits:12,
- ai_speed:7692,
- ai_pg: das16_pg_16jr,
- ao: NULL,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0,
- i8254_offset:0x0c,
- size: 0x10,
- id: 0x00,
- },
+ .name = "cio-das16/jr", /* cio-das16jr.pdf */
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 12,
+ .ai_speed = 7692,
+ .ai_pg = das16_pg_16jr,
+ .ao = NULL,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0,
+ .i8254_offset = 0x0c,
+ .size = 0x10,
+ .id = 0x00,
+ },
{
- name: "pc104-das16jr", // pc104-das16jr_xx.pdf
- ai: das16_ai_rinsn,
- ai_nbits:12,
- ai_speed:3300,
- ai_pg: das16_pg_16jr,
- ao: NULL,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0,
- i8254_offset:0x0c,
- size: 0x10,
- id: 0x00,
- },
+ .name = "pc104-das16jr", /* pc104-das16jr_xx.pdf */
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 12,
+ .ai_speed = 3300,
+ .ai_pg = das16_pg_16jr,
+ .ao = NULL,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0,
+ .i8254_offset = 0x0c,
+ .size = 0x10,
+ .id = 0x00,
+ },
{
- name: "cio-das16jr/16", // cio-das16jr_16.pdf
- ai: das16_ai_rinsn,
- ai_nbits:16,
- ai_speed:10000,
- ai_pg: das16_pg_16jr_16,
- ao: NULL,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0,
- i8254_offset:0x0c,
- size: 0x10,
- id: 0x00,
- },
+ .name = "cio-das16jr/16", /* cio-das16jr_16.pdf */
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 16,
+ .ai_speed = 10000,
+ .ai_pg = das16_pg_16jr_16,
+ .ao = NULL,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0,
+ .i8254_offset = 0x0c,
+ .size = 0x10,
+ .id = 0x00,
+ },
{
- name: "pc104-das16jr/16", // pc104-das16jr_xx.pdf
- ai: das16_ai_rinsn,
- ai_nbits:16,
- ai_speed:10000,
- ai_pg: das16_pg_16jr_16,
- ao: NULL,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0,
- i8254_offset:0x0c,
- size: 0x10,
- id: 0x00,
- },
+ .name = "pc104-das16jr/16", /* pc104-das16jr_xx.pdf */
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 16,
+ .ai_speed = 10000,
+ .ai_pg = das16_pg_16jr_16,
+ .ao = NULL,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0,
+ .i8254_offset = 0x0c,
+ .size = 0x10,
+ .id = 0x00,
+ },
{
- name: "das-1201", // 4924.pdf (keithley user's manual)
- ai: das16_ai_rinsn,
- ai_nbits:12,
- ai_speed:20000,
- ai_pg: das16_pg_none,
- ao: NULL,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0x400,
- i8254_offset:0x0c,
- size: 0x408,
- id: 0x20,
- },
+ .name = "das-1201", /* 4924.pdf (keithley user's manual) */
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 12,
+ .ai_speed = 20000,
+ .ai_pg = das16_pg_none,
+ .ao = NULL,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0x400,
+ .i8254_offset = 0x0c,
+ .size = 0x408,
+ .id = 0x20,
+ },
{
- name: "das-1202", // 4924.pdf (keithley user's manual)
- ai: das16_ai_rinsn,
- ai_nbits:12,
- ai_speed:10000,
- ai_pg: das16_pg_none,
- ao: NULL,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0x400,
- i8254_offset:0x0c,
- size: 0x408,
- id: 0x20,
- },
+ .name = "das-1202", /* 4924.pdf (keithley user's manual) */
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 12,
+ .ai_speed = 10000,
+ .ai_pg = das16_pg_none,
+ .ao = NULL,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0x400,
+ .i8254_offset = 0x0c,
+ .size = 0x408,
+ .id = 0x20,
+ },
{
- name: "das-1401", // 4919.pdf and 4922.pdf (keithley user's manual)
- ai: das16_ai_rinsn,
- ai_nbits:12,
- ai_speed:10000,
- ai_pg: das16_pg_1601,
- ao: NULL,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0x0,
- i8254_offset:0x0c,
- size: 0x408,
- id: 0xc0 // 4919.pdf says id bits are 0xe0, 4922.pdf says 0xc0
- },
+ .name = "das-1401", /* 4919.pdf and 4922.pdf (keithley user's manual) */
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 12,
+ .ai_speed = 10000,
+ .ai_pg = das16_pg_1601,
+ .ao = NULL,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0x0,
+ .i8254_offset = 0x0c,
+ .size = 0x408,
+ .id = 0xc0 /* 4919.pdf says id bits are 0xe0, 4922.pdf says 0xc0 */
+ },
{
- name: "das-1402", // 4919.pdf and 4922.pdf (keithley user's manual)
- ai: das16_ai_rinsn,
- ai_nbits:12,
- ai_speed:10000,
- ai_pg: das16_pg_1602,
- ao: NULL,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0x0,
- i8254_offset:0x0c,
- size: 0x408,
- id: 0xc0 // 4919.pdf says id bits are 0xe0, 4922.pdf says 0xc0
- },
+ .name = "das-1402", /* 4919.pdf and 4922.pdf (keithley user's manual) */
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 12,
+ .ai_speed = 10000,
+ .ai_pg = das16_pg_1602,
+ .ao = NULL,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0x0,
+ .i8254_offset = 0x0c,
+ .size = 0x408,
+ .id = 0xc0 /* 4919.pdf says id bits are 0xe0, 4922.pdf says 0xc0 */
+ },
{
- name: "das-1601", // 4919.pdf
- ai: das16_ai_rinsn,
- ai_nbits:12,
- ai_speed:10000,
- ai_pg: das16_pg_1601,
- ao: das16_ao_winsn,
- ao_nbits:12,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0x400,
- i8254_offset:0x0c,
- size: 0x408,
- id: 0xc0},
+ .name = "das-1601", /* 4919.pdf */
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 12,
+ .ai_speed = 10000,
+ .ai_pg = das16_pg_1601,
+ .ao = das16_ao_winsn,
+ .ao_nbits = 12,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0x400,
+ .i8254_offset = 0x0c,
+ .size = 0x408,
+ .id = 0xc0},
{
- name: "das-1602", // 4919.pdf
- ai: das16_ai_rinsn,
- ai_nbits:12,
- ai_speed:10000,
- ai_pg: das16_pg_1602,
- ao: das16_ao_winsn,
- ao_nbits:12,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0x400,
- i8254_offset:0x0c,
- size: 0x408,
- id: 0xc0},
+ .name = "das-1602", /* 4919.pdf */
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 12,
+ .ai_speed = 10000,
+ .ai_pg = das16_pg_1602,
+ .ao = das16_ao_winsn,
+ .ao_nbits = 12,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0x400,
+ .i8254_offset = 0x0c,
+ .size = 0x408,
+ .id = 0xc0},
{
- name: "cio-das1401/12", // cio-das1400_series.pdf
- ai: das16_ai_rinsn,
- ai_nbits:12,
- ai_speed:6250,
- ai_pg: das16_pg_1601,
- ao: NULL,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0,
- i8254_offset:0x0c,
- size: 0x408,
- id: 0xc0},
+ .name = "cio-das1401/12", /* cio-das1400_series.pdf */
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 12,
+ .ai_speed = 6250,
+ .ai_pg = das16_pg_1601,
+ .ao = NULL,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0,
+ .i8254_offset = 0x0c,
+ .size = 0x408,
+ .id = 0xc0},
{
- name: "cio-das1402/12", // cio-das1400_series.pdf
- ai: das16_ai_rinsn,
- ai_nbits:12,
- ai_speed:6250,
- ai_pg: das16_pg_1602,
- ao: NULL,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0,
- i8254_offset:0x0c,
- size: 0x408,
- id: 0xc0},
+ .name = "cio-das1402/12", /* cio-das1400_series.pdf */
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 12,
+ .ai_speed = 6250,
+ .ai_pg = das16_pg_1602,
+ .ao = NULL,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0,
+ .i8254_offset = 0x0c,
+ .size = 0x408,
+ .id = 0xc0},
{
- name: "cio-das1402/16", // cio-das1400_series.pdf
- ai: das16_ai_rinsn,
- ai_nbits:16,
- ai_speed:10000,
- ai_pg: das16_pg_1602,
- ao: NULL,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0,
- i8254_offset:0x0c,
- size: 0x408,
- id: 0xc0},
+ .name = "cio-das1402/16", /* cio-das1400_series.pdf */
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 16,
+ .ai_speed = 10000,
+ .ai_pg = das16_pg_1602,
+ .ao = NULL,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0,
+ .i8254_offset = 0x0c,
+ .size = 0x408,
+ .id = 0xc0},
{
- name: "cio-das1601/12", // cio-das160x-1x.pdf
- ai: das16_ai_rinsn,
- ai_nbits:12,
- ai_speed:6250,
- ai_pg: das16_pg_1601,
- ao: das16_ao_winsn,
- ao_nbits:12,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0x400,
- i8254_offset:0x0c,
- size: 0x408,
- id: 0xc0},
+ .name = "cio-das1601/12", /* cio-das160x-1x.pdf */
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 12,
+ .ai_speed = 6250,
+ .ai_pg = das16_pg_1601,
+ .ao = das16_ao_winsn,
+ .ao_nbits = 12,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0x400,
+ .i8254_offset = 0x0c,
+ .size = 0x408,
+ .id = 0xc0},
{
- name: "cio-das1602/12", // cio-das160x-1x.pdf
- ai: das16_ai_rinsn,
- ai_nbits:12,
- ai_speed:10000,
- ai_pg: das16_pg_1602,
- ao: das16_ao_winsn,
- ao_nbits:12,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0x400,
- i8254_offset:0x0c,
- size: 0x408,
- id: 0xc0},
+ .name = "cio-das1602/12", /* cio-das160x-1x.pdf */
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 12,
+ .ai_speed = 10000,
+ .ai_pg = das16_pg_1602,
+ .ao = das16_ao_winsn,
+ .ao_nbits = 12,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0x400,
+ .i8254_offset = 0x0c,
+ .size = 0x408,
+ .id = 0xc0},
{
- name: "cio-das1602/16", // cio-das160x-1x.pdf
- ai: das16_ai_rinsn,
- ai_nbits:16,
- ai_speed:10000,
- ai_pg: das16_pg_1602,
- ao: das16_ao_winsn,
- ao_nbits:12,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0x400,
- i8254_offset:0x0c,
- size: 0x408,
- id: 0xc0},
+ .name = "cio-das1602/16", /* cio-das160x-1x.pdf */
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 16,
+ .ai_speed = 10000,
+ .ai_pg = das16_pg_1602,
+ .ao = das16_ao_winsn,
+ .ao_nbits = 12,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0x400,
+ .i8254_offset = 0x0c,
+ .size = 0x408,
+ .id = 0xc0},
{
- name: "cio-das16/330", // ?
- ai: das16_ai_rinsn,
- ai_nbits:12,
- ai_speed:3030,
- ai_pg: das16_pg_16jr,
- ao: NULL,
- di: das16_di_rbits,
- do_: das16_do_wbits,
- i8255_offset:0,
- i8254_offset:0x0c,
- size: 0x14,
- id: 0xf0},
+ .name = "cio-das16/330", /* ? */
+ .ai = das16_ai_rinsn,
+ .ai_nbits = 12,
+ .ai_speed = 3030,
+ .ai_pg = das16_pg_16jr,
+ .ao = NULL,
+ .di = das16_di_rbits,
+ .do_ = das16_do_wbits,
+ .i8255_offset = 0,
+ .i8254_offset = 0x0c,
+ .size = 0x14,
+ .id = 0xf0},
#if 0
{
- name: "das16/330i", // ?
- },
+ .name = "das16/330i", /* ? */
+ },
{
- name: "das16/jr/ctr5", // ?
- },
+ .name = "das16/jr/ctr5", /* ? */
+ },
{
- name: "cio-das16/m1/16", // cio-das16_m1_16.pdf, this board is a bit quirky, no dma
- },
+ .name = "cio-das16/m1/16", /* cio-das16_m1_16.pdf, this board is a bit quirky, no dma */
+ },
#endif
};
-#define n_das16_boards ((sizeof(das16_boards))/(sizeof(das16_board)))
-
-static int das16_attach(struct comedi_device * dev, struct comedi_devconfig * it);
-static int das16_detach(struct comedi_device * dev);
+static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it);
+static int das16_detach(struct comedi_device *dev);
static struct comedi_driver driver_das16 = {
- driver_name:"das16",
- module:THIS_MODULE,
- attach:das16_attach,
- detach:das16_detach,
- board_name:&das16_boards[0].name,
- num_names:n_das16_boards,
- offset:sizeof(das16_boards[0]),
+ .driver_name = "das16",
+ .module = THIS_MODULE,
+ .attach = das16_attach,
+ .detach = das16_detach,
+ .board_name = &das16_boards[0].name,
+ .num_names = ARRAY_SIZE(das16_boards),
+ .offset = sizeof(das16_boards[0]),
};
#define DAS16_TIMEOUT 1000
{
return HZ / 20;
}
+
struct das16_private_struct {
- unsigned int ai_unipolar; // unipolar flag
- unsigned int ai_singleended; // single ended flag
- unsigned int clockbase; // master clock speed in ns
- volatile unsigned int control_state; // dma, interrupt and trigger control bits
- volatile unsigned long adc_byte_count; // number of bytes remaining
- unsigned int divisor1; // divisor dividing master clock to get conversion frequency
- unsigned int divisor2; // divisor dividing master clock to get conversion frequency
- unsigned int dma_chan; // dma channel
+ unsigned int ai_unipolar; /* unipolar flag */
+ unsigned int ai_singleended; /* single ended flag */
+ unsigned int clockbase; /* master clock speed in ns */
+ volatile unsigned int control_state; /* dma, interrupt and trigger control bits */
+ volatile unsigned long adc_byte_count; /* number of bytes remaining */
+ unsigned int divisor1; /* divisor dividing master clock to get conversion frequency */
+ unsigned int divisor2; /* divisor dividing master clock to get conversion frequency */
+ unsigned int dma_chan; /* dma channel */
uint16_t *dma_buffer[2];
dma_addr_t dma_buffer_addr[2];
unsigned int current_buffer;
- volatile unsigned int dma_transfer_size; // target number of bytes to transfer per dma shot
- // user-defined analog input and output ranges defined from config options
+ volatile unsigned int dma_transfer_size; /* target number of bytes to transfer per dma shot */
+ /* user-defined analog input and output ranges defined from config options */
struct comedi_lrange *user_ai_range_table;
struct comedi_lrange *user_ao_range_table;
- struct timer_list timer; // for timed interrupt
+ struct timer_list timer; /* for timed interrupt */
volatile short timer_running;
- volatile short timer_mode; // true if using timer mode
+ volatile short timer_mode; /* true if using timer mode */
};
#define devpriv ((struct das16_private_struct *)(dev->private))
-#define thisboard ((struct das16_board_struct *)(dev->board_ptr))
+#define thisboard ((struct das16_board *)(dev->board_ptr))
-static int das16_cmd_test(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_cmd * cmd)
+static int das16_cmd_test(struct comedi_device *dev, struct comedi_subdevice *s,
+ struct comedi_cmd *cmd)
{
int err = 0, tmp;
int gain, start_chan, i;
tmp = cmd->scan_begin_src;
mask = TRIG_FOLLOW;
- // if board supports burst mode
+ /* if board supports burst mode */
if (thisboard->size > 0x400)
mask |= TRIG_TIMER | TRIG_EXT;
cmd->scan_begin_src &= mask;
tmp = cmd->convert_src;
mask = TRIG_TIMER | TRIG_EXT;
- // if board supports burst mode
+ /* if board supports burst mode */
if (thisboard->size > 0x400)
mask |= TRIG_NOW;
cmd->convert_src &= mask;
/* step 2: make sure trigger sources are unique and mutually compatible */
if (cmd->scan_begin_src != TRIG_TIMER &&
- cmd->scan_begin_src != TRIG_EXT &&
- cmd->scan_begin_src != TRIG_FOLLOW)
+ cmd->scan_begin_src != TRIG_EXT &&
+ cmd->scan_begin_src != TRIG_FOLLOW)
err++;
if (cmd->convert_src != TRIG_TIMER &&
- cmd->convert_src != TRIG_EXT && cmd->convert_src != TRIG_NOW)
+ cmd->convert_src != TRIG_EXT && cmd->convert_src != TRIG_NOW)
err++;
if (cmd->stop_src != TRIG_NONE && cmd->stop_src != TRIG_COUNT)
err++;
- // make sure scan_begin_src and convert_src dont conflict
+ /* make sure scan_begin_src and convert_src dont conflict */
if (cmd->scan_begin_src == TRIG_FOLLOW && cmd->convert_src == TRIG_NOW)
err++;
if (cmd->scan_begin_src != TRIG_FOLLOW && cmd->convert_src != TRIG_NOW)
cmd->scan_end_arg = cmd->chanlist_len;
err++;
}
- // check against maximum frequency
+ /* check against maximum frequency */
if (cmd->scan_begin_src == TRIG_TIMER) {
if (cmd->scan_begin_arg <
- thisboard->ai_speed * cmd->chanlist_len) {
+ thisboard->ai_speed * cmd->chanlist_len) {
cmd->scan_begin_arg =
- thisboard->ai_speed * cmd->chanlist_len;
+ thisboard->ai_speed * cmd->chanlist_len;
err++;
}
}
if (err)
return 3;
- // step 4: fix up arguments
+ /* step 4: fix up arguments */
if (cmd->scan_begin_src == TRIG_TIMER) {
unsigned int tmp = cmd->scan_begin_arg;
- // set divisors, correct timing arguments
+ /* set divisors, correct timing arguments */
i8253_cascade_ns_to_timer_2div(devpriv->clockbase,
- &(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);
err += (tmp != cmd->scan_begin_arg);
}
if (cmd->convert_src == TRIG_TIMER) {
unsigned int tmp = cmd->convert_arg;
- // set divisors, correct timing arguments
+ /* set divisors, correct timing arguments */
i8253_cascade_ns_to_timer_2div(devpriv->clockbase,
- &(devpriv->divisor1), &(devpriv->divisor2),
- &(cmd->convert_arg), cmd->flags & TRIG_ROUND_MASK);
+ &(devpriv->divisor1),
+ &(devpriv->divisor2),
+ &(cmd->convert_arg),
+ cmd->flags & TRIG_ROUND_MASK);
err += (tmp != cmd->convert_arg);
}
if (err)
return 4;
- // check channel/gain list against card's limitations
+ /* check channel/gain list against card's limitations */
if (cmd->chanlist) {
gain = CR_RANGE(cmd->chanlist[0]);
start_chan = CR_CHAN(cmd->chanlist[0]);
for (i = 1; i < cmd->chanlist_len; i++) {
if (CR_CHAN(cmd->chanlist[i]) !=
- (start_chan + i) % s->n_chan) {
+ (start_chan + i) % s->n_chan) {
comedi_error(dev,
- "entries in chanlist must be consecutive channels, counting upwards\n");
+ "entries in chanlist must be consecutive channels, counting upwards\n");
err++;
}
if (CR_RANGE(cmd->chanlist[i]) != gain) {
comedi_error(dev,
- "entries in chanlist must all have the same gain\n");
+ "entries in chanlist must all have the same gain\n");
err++;
}
}
return 0;
}
-static int das16_cmd_exec(struct comedi_device * dev, struct comedi_subdevice * s)
+static int das16_cmd_exec(struct comedi_device *dev, struct comedi_subdevice *s)
{
struct comedi_async *async = s->async;
struct comedi_cmd *cmd = &async->cmd;
int range;
if (devpriv->dma_chan == 0 || (dev->irq == 0
- && devpriv->timer_mode == 0)) {
+ && devpriv->timer_mode == 0)) {
comedi_error(dev,
- "irq (or use of 'timer mode') dma required to execute comedi_cmd");
+ "irq (or use of 'timer mode') dma required to execute comedi_cmd");
return -1;
}
if (cmd->flags & TRIG_RT) {
comedi_error(dev,
- "isa dma transfers cannot be performed with TRIG_RT, aborting");
+ "isa dma transfers cannot be performed with TRIG_RT, aborting");
return -1;
}
devpriv->adc_byte_count =
- cmd->stop_arg * cmd->chanlist_len * sizeof(uint16_t);
+ cmd->stop_arg * cmd->chanlist_len * sizeof(uint16_t);
- // disable conversions for das1600 mode
+ /* disable conversions for das1600 mode */
if (thisboard->size > 0x400) {
outb(DAS1600_CONV_DISABLE, dev->iobase + DAS1600_CONV);
}
- // set scan limits
+ /* set scan limits */
byte = CR_CHAN(cmd->chanlist[0]);
byte |= CR_CHAN(cmd->chanlist[cmd->chanlist_len - 1]) << 4;
outb(byte, dev->iobase + DAS16_MUX);
if (thisboard->ai_pg != das16_pg_none) {
range = CR_RANGE(cmd->chanlist[0]);
outb((das16_gainlists[thisboard->ai_pg])[range],
- dev->iobase + DAS16_GAIN);
+ dev->iobase + DAS16_GAIN);
}
/* set counter mode and counts */
cmd->convert_arg =
- das16_set_pacer(dev, cmd->convert_arg,
- cmd->flags & TRIG_ROUND_MASK);
+ das16_set_pacer(dev, cmd->convert_arg,
+ cmd->flags & TRIG_ROUND_MASK);
DEBUG_PRINT("pacer period: %d ns\n", cmd->convert_arg);
/* enable counters */
if (thisboard->size > 0x400) {
if (cmd->convert_src == TRIG_NOW) {
outb(DAS1600_BURST_VAL, dev->iobase + DAS1600_BURST);
- // set burst length
+ /* set burst length */
byte |= BURST_LEN_BITS(cmd->chanlist_len - 1);
} else {
outb(0, dev->iobase + DAS1600_BURST);
}
outb(byte, dev->iobase + DAS16_PACER);
- // set up dma transfer
+ /* set up dma transfer */
flags = claim_dma_lock();
disable_dma(devpriv->dma_chan);
/* clear flip-flop to make sure 2-byte registers for
clear_dma_ff(devpriv->dma_chan);
devpriv->current_buffer = 0;
set_dma_addr(devpriv->dma_chan,
- devpriv->dma_buffer_addr[devpriv->current_buffer]);
- // set appropriate size of transfer
+ devpriv->dma_buffer_addr[devpriv->current_buffer]);
+ /* set appropriate size of transfer */
devpriv->dma_transfer_size = das16_suggest_transfer_size(dev, *cmd);
set_dma_count(devpriv->dma_chan, devpriv->dma_transfer_size);
enable_dma(devpriv->dma_chan);
release_dma_lock(flags);
- // set up interrupt
+ /* set up interrupt */
if (devpriv->timer_mode) {
devpriv->timer_running = 1;
devpriv->timer.expires = jiffies + timer_period();
return 0;
}
-static int das16_cancel(struct comedi_device * dev, struct comedi_subdevice * s)
+static int das16_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
{
unsigned long flags;
- comedi_spin_lock_irqsave(&dev->spinlock, flags);
+ spin_lock_irqsave(&dev->spinlock, flags);
/* disable interrupts, dma and pacer clocked conversions */
devpriv->control_state &= ~DAS16_INTE & ~PACING_MASK & ~DMA_ENABLE;
outb(devpriv->control_state, dev->iobase + DAS16_CONTROL);
if (devpriv->dma_chan)
disable_dma(devpriv->dma_chan);
- // disable SW timer
+ /* disable SW timer */
if (devpriv->timer_mode && devpriv->timer_running) {
devpriv->timer_running = 0;
del_timer(&devpriv->timer);
outb(0, dev->iobase + DAS1600_BURST);
}
- comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+ spin_unlock_irqrestore(&dev->spinlock, flags);
return 0;
}
-static void das16_reset(struct comedi_device * dev)
+static void das16_reset(struct comedi_device *dev)
{
outb(0, dev->iobase + DAS16_STATUS);
outb(0, dev->iobase + DAS16_CONTROL);
outb(0, dev->iobase + DAS16_CNTR_CONTROL);
}
-static int das16_ai_rinsn(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_insn * insn, unsigned int * data)
+static int das16_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
int i, n;
int range;
int chan;
int msb, lsb;
- // disable interrupts and pacing
+ /* disable interrupts and pacing */
devpriv->control_state &= ~DAS16_INTE & ~DMA_ENABLE & ~PACING_MASK;
outb(devpriv->control_state, dev->iobase + DAS16_CONTROL);
if (thisboard->ai_pg != das16_pg_none) {
range = CR_RANGE(insn->chanspec);
outb((das16_gainlists[thisboard->ai_pg])[range],
- dev->iobase + DAS16_GAIN);
+ dev->iobase + DAS16_GAIN);
}
for (n = 0; n < insn->n; n++) {
break;
}
if (i == DAS16_TIMEOUT) {
- rt_printk("das16: timeout\n");
+ printk("das16: timeout\n");
return -ETIME;
}
msb = inb(dev->iobase + DAS16_AI_MSB);
return n;
}
-static int das16_di_rbits(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_insn * insn, unsigned int * data)
+static int das16_di_rbits(struct comedi_device *dev, struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
unsigned int bits;
return 2;
}
-static int das16_do_wbits(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_insn * insn, unsigned int * data)
+static int das16_do_wbits(struct comedi_device *dev, struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
unsigned int wbits;
- // only set bits that have been masked
+ /* only set bits that have been masked */
data[0] &= 0xf;
wbits = s->state;
- // zero bits that have been masked
+ /* zero bits that have been masked */
wbits &= ~data[0];
- // set masked bits
+ /* set masked bits */
wbits |= data[0] & data[1];
s->state = wbits;
data[1] = wbits;
return 2;
}
-static int das16_ao_winsn(struct comedi_device * dev, struct comedi_subdevice * s,
- struct comedi_insn * insn, unsigned int * data)
+static int das16_ao_winsn(struct comedi_device *dev, struct comedi_subdevice *s,
+ struct comedi_insn *insn, unsigned int *data)
{
int i;
int lsb, msb;
return i;
}
-static irqreturn_t das16_dma_interrupt(int irq, void *d PT_REGS_ARG)
+static irqreturn_t das16_dma_interrupt(int irq, void *d)
{
int status;
struct comedi_device *dev = d;
static void das16_timer_interrupt(unsigned long arg)
{
- struct comedi_device *dev = (struct comedi_device *) arg;
+ struct comedi_device *dev = (struct comedi_device *)arg;
das16_interrupt(dev);
an even transfer count after disabling dma
channel.
*/
-static int disable_dma_on_even(struct comedi_device * dev)
+static int disable_dma_on_even(struct comedi_device *dev)
{
int residue;
int i;
enable_dma(devpriv->dma_chan);
for (j = 0; j < enable_timeout; ++j) {
int new_residue;
- comedi_udelay(2);
+ udelay(2);
new_residue = get_dma_residue(devpriv->dma_chan);
if (new_residue != residue)
break;
}
if (i == disable_limit) {
comedi_error(dev,
- "failed to get an even dma transfer, could be trouble.");
+ "failed to get an even dma transfer, could be trouble.");
}
return residue;
}
-static void das16_interrupt(struct comedi_device * dev)
+static void das16_interrupt(struct comedi_device *dev)
{
unsigned long dma_flags, spin_flags;
struct comedi_subdevice *s = dev->read_subdev;
comedi_error(dev, "premature interrupt");
return;
}
- // initialize async here to make sure it is not NULL
+ /* initialize async here to make sure it is not NULL */
async = s->async;
cmd = &async->cmd;
return;
}
- comedi_spin_lock_irqsave(&dev->spinlock, spin_flags);
+ spin_lock_irqsave(&dev->spinlock, spin_flags);
if ((devpriv->control_state & DMA_ENABLE) == 0) {
- comedi_spin_unlock_irqrestore(&dev->spinlock, spin_flags);
+ spin_unlock_irqrestore(&dev->spinlock, spin_flags);
DEBUG_PRINT("interrupt while dma disabled?\n");
return;
}
clear_dma_ff(devpriv->dma_chan);
residue = disable_dma_on_even(dev);
- // figure out how many points to read
+ /* figure out how many points to read */
if (residue > devpriv->dma_transfer_size) {
comedi_error(dev, "residue > transfer size!\n");
async->events |= COMEDI_CB_ERROR | COMEDI_CB_EOA;
devpriv->current_buffer = (devpriv->current_buffer + 1) % 2;
devpriv->adc_byte_count -= num_bytes;
- // figure out how many bytes for next transfer
+ /* figure out how many bytes for next transfer */
if (cmd->stop_src == TRIG_COUNT && devpriv->timer_mode == 0 &&
- devpriv->dma_transfer_size > devpriv->adc_byte_count)
+ devpriv->dma_transfer_size > devpriv->adc_byte_count)
devpriv->dma_transfer_size = devpriv->adc_byte_count;
- // re-enable dma
+ /* re-enable dma */
if ((async->events & COMEDI_CB_EOA) == 0) {
set_dma_addr(devpriv->dma_chan,
- devpriv->dma_buffer_addr[devpriv->current_buffer]);
+ devpriv->dma_buffer_addr[devpriv->current_buffer]);
set_dma_count(devpriv->dma_chan, devpriv->dma_transfer_size);
enable_dma(devpriv->dma_chan);
/* reenable conversions for das1600 mode, (stupid hardware) */
}
release_dma_lock(dma_flags);
- comedi_spin_unlock_irqrestore(&dev->spinlock, spin_flags);
+ spin_unlock_irqrestore(&dev->spinlock, spin_flags);
cfc_write_array_to_buffer(s,
- devpriv->dma_buffer[buffer_index], num_bytes);
+ devpriv->dma_buffer[buffer_index], num_bytes);
cfc_handle_events(dev, s);
}
-static unsigned int das16_set_pacer(struct comedi_device * dev, unsigned int ns,
- int rounding_flags)
+static unsigned int das16_set_pacer(struct comedi_device *dev, unsigned int ns,
+ int rounding_flags)
{
i8253_cascade_ns_to_timer_2div(devpriv->clockbase, &(devpriv->divisor1),
- &(devpriv->divisor2), &ns, rounding_flags & TRIG_ROUND_MASK);
+ &(devpriv->divisor2), &ns,
+ rounding_flags & TRIG_ROUND_MASK);
/* Write the values of ctr1 and ctr2 into counters 1 and 2 */
i8254_load(dev->iobase + DAS16_CNTR0_DATA, 0, 1, devpriv->divisor1, 2);
return ns;
}
-static void reg_dump(struct comedi_device * dev)
+static void reg_dump(struct comedi_device *dev)
{
DEBUG_PRINT("********DAS1600 REGISTER DUMP********\n");
DEBUG_PRINT("DAS16_MUX: %x\n", inb(dev->iobase + DAS16_MUX));
DEBUG_PRINT("DAS16_PACER: %x\n", inb(dev->iobase + DAS16_PACER));
DEBUG_PRINT("DAS16_GAIN: %x\n", inb(dev->iobase + DAS16_GAIN));
DEBUG_PRINT("DAS16_CNTR_CONTROL: %x\n",
- inb(dev->iobase + DAS16_CNTR_CONTROL));
+ inb(dev->iobase + DAS16_CNTR_CONTROL));
DEBUG_PRINT("DAS1600_CONV: %x\n", inb(dev->iobase + DAS1600_CONV));
DEBUG_PRINT("DAS1600_BURST: %x\n", inb(dev->iobase + DAS1600_BURST));
DEBUG_PRINT("DAS1600_ENABLE: %x\n", inb(dev->iobase + DAS1600_ENABLE));
DEBUG_PRINT("DAS1600_STATUS_B: %x\n",
- inb(dev->iobase + DAS1600_STATUS_B));
+ inb(dev->iobase + DAS1600_STATUS_B));
}
-static int das16_probe(struct comedi_device * dev, struct comedi_devconfig * it)
+static int das16_probe(struct comedi_device *dev, struct comedi_devconfig *it)
{
int status;
int diobits;
printk(" id bits are 0x%02x\n", diobits);
if (thisboard->id != diobits) {
printk(" requested board's id bits are 0x%x (ignore)\n",
- thisboard->id);
+ thisboard->id);
}
return 0;
}
-static int das1600_mode_detect(struct comedi_device * dev)
+static int das1600_mode_detect(struct comedi_device *dev)
{
int status = 0;
* 3 Clock speed (in MHz)
*/
-static int das16_attach(struct comedi_device * dev, struct comedi_devconfig * it)
+static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
struct comedi_subdevice *s;
int ret;
printk("comedi%d: das16:", dev->minor);
- // check that clock setting is valid
+ /* check that clock setting is valid */
if (it->options[3]) {
if (it->options[3] != 0 &&
- it->options[3] != 1 && it->options[3] != 10) {
- printk("\n Invalid option. Master clock must be set to 1 or 10 (MHz)\n");
+ it->options[3] != 1 && it->options[3] != 10) {
+ printk
+ ("\n Invalid option. Master clock must be set to 1 or 10 (MHz)\n");
return -EINVAL;
}
}
- if ((ret = alloc_private(dev, sizeof(struct das16_private_struct))) < 0)
+ ret = alloc_private(dev, sizeof(struct das16_private_struct));
+ if (ret < 0)
return ret;
if (thisboard->size < 0x400) {
}
} else {
printk(" 0x%04lx-0x%04lx 0x%04lx-0x%04lx\n",
- iobase, iobase + 0x0f,
- iobase + 0x400,
- iobase + 0x400 + (thisboard->size & 0x3ff));
+ iobase, iobase + 0x0f,
+ iobase + 0x400,
+ iobase + 0x400 + (thisboard->size & 0x3ff));
if (!request_region(iobase, 0x10, "das16")) {
printk(" I/O port conflict: 0x%04lx-0x%04lx\n",
- iobase, iobase + 0x0f);
+ iobase, iobase + 0x0f);
return -EIO;
}
if (!request_region(iobase + 0x400, thisboard->size & 0x3ff,
- "das16")) {
+ "das16")) {
release_region(iobase, 0x10);
printk(" I/O port conflict: 0x%04lx-0x%04lx\n",
- iobase + 0x400,
- iobase + 0x400 + (thisboard->size & 0x3ff));
+ iobase + 0x400,
+ iobase + 0x400 + (thisboard->size & 0x3ff));
return -EIO;
}
}
dev->iobase = iobase;
- // probe id bits to make sure they are consistent
+ /* probe id bits to make sure they are consistent */
if (das16_probe(dev, it)) {
printk(" id bits do not match selected board, aborting\n");
return -EINVAL;
}
dev->board_name = thisboard->name;
- // get master clock speed
+ /* get master clock speed */
if (thisboard->size < 0x400) {
if (it->options[3])
devpriv->clockbase = 1000 / it->options[3];
else
- devpriv->clockbase = 1000; // 1 MHz default
+ devpriv->clockbase = 1000; /* 1 MHz default */
} else {
das1600_mode_detect(dev);
}
/* now for the irq */
if (irq > 1 && irq < 8) {
- if ((ret = comedi_request_irq(irq, das16_dma_interrupt, 0,
- "das16", dev)) < 0)
+ ret = request_irq(irq, das16_dma_interrupt, 0, "das16", dev);
+
+ if (ret < 0)
return ret;
dev->irq = irq;
printk(" ( irq = %u )", irq);
return -EINVAL;
}
- // initialize dma
+ /* initialize dma */
dma_chan = it->options[2];
if (dma_chan == 1 || dma_chan == 3) {
- // allocate dma buffers
+ /* allocate dma buffers */
int i;
for (i = 0; i < 2; i++) {
devpriv->dma_buffer[i] = pci_alloc_consistent(NULL,
- DAS16_DMA_SIZE, &devpriv->dma_buffer_addr[i]);
+ DAS16_DMA_SIZE,
+ &devpriv->
+ dma_buffer_addr
+ [i]);
if (devpriv->dma_buffer[i] == NULL)
return -ENOMEM;
}
if (request_dma(dma_chan, "das16")) {
printk(" failed to allocate dma channel %i\n",
- dma_chan);
+ dma_chan);
return -EINVAL;
}
devpriv->dma_chan = dma_chan;
return -EINVAL;
}
- // get any user-defined input range
+ /* get any user-defined input range */
if (thisboard->ai_pg == das16_pg_none &&
- (it->options[4] || it->options[5])) {
- // allocate single-range range table
+ (it->options[4] || it->options[5])) {
+ /* allocate single-range range table */
devpriv->user_ai_range_table =
- kmalloc(sizeof(struct comedi_lrange) + sizeof(struct comedi_krange),
- GFP_KERNEL);
- // initialize ai range
+ kmalloc(sizeof(struct comedi_lrange) +
+ sizeof(struct comedi_krange), GFP_KERNEL);
+ /* initialize ai range */
devpriv->user_ai_range_table->length = 1;
user_ai_range = devpriv->user_ai_range_table->range;
user_ai_range->min = it->options[4];
user_ai_range->max = it->options[5];
user_ai_range->flags = UNIT_volt;
}
- // get any user-defined output range
+ /* get any user-defined output range */
if (it->options[6] || it->options[7]) {
- // allocate single-range range table
+ /* allocate single-range range table */
devpriv->user_ao_range_table =
- kmalloc(sizeof(struct comedi_lrange) + sizeof(struct comedi_krange),
- GFP_KERNEL);
- // initialize ao range
+ kmalloc(sizeof(struct comedi_lrange) +
+ sizeof(struct comedi_krange), GFP_KERNEL);
+ /* initialize ao range */
devpriv->user_ao_range_table->length = 1;
user_ao_range = devpriv->user_ao_range_table->range;
user_ao_range->min = it->options[6];
}
devpriv->timer_mode = timer_mode ? 1 : 0;
- if ((ret = alloc_subdevices(dev, 5)) < 0)
+ ret = alloc_subdevices(dev, 5);
+ if (ret < 0)
return ret;
s = dev->subdevices + 0;
s->subdev_flags |= SDF_DIFF;
}
s->maxdata = (1 << thisboard->ai_nbits) - 1;
- if (devpriv->user_ai_range_table) { // user defined ai range
+ if (devpriv->user_ai_range_table) { /* user defined ai range */
s->range_table = devpriv->user_ai_range_table;
} else if (devpriv->ai_unipolar) {
s->range_table = das16_ai_uni_lranges[thisboard->ai_pg];
s->subdev_flags = SDF_WRITABLE;
s->n_chan = 2;
s->maxdata = (1 << thisboard->ao_nbits) - 1;
- if (devpriv->user_ao_range_table) { // user defined ao range
+ if (devpriv->user_ao_range_table) { /* user defined ao range */
s->range_table = devpriv->user_ao_range_table;
} else {
s->range_table = &range_unknown;
s->maxdata = 1;
s->range_table = &range_digital;
s->insn_bits = thisboard->do_;
- // initialize digital output lines
+ /* initialize digital output lines */
outb(s->state, dev->iobase + DAS16_DIO);
} else {
s->type = COMEDI_SUBD_UNUSED;
/* 8255 */
if (thisboard->i8255_offset != 0) {
subdev_8255_init(dev, s, NULL, (dev->iobase +
- thisboard->i8255_offset));
+ thisboard->i8255_offset));
} else {
s->type = COMEDI_SUBD_UNUSED;
}
devpriv->control_state = DAS16_IRQ(dev->irq);
outb(devpriv->control_state, dev->iobase + DAS16_CONTROL);
- // turn on das1600 mode if available
+ /* turn on das1600 mode if available */
if (thisboard->size > 0x400) {
outb(DAS1600_ENABLE_VAL, dev->iobase + DAS1600_ENABLE);
outb(0, dev->iobase + DAS1600_CONV);
return 0;
}
-static int das16_detach(struct comedi_device * dev)
+static int das16_detach(struct comedi_device *dev)
{
printk("comedi%d: das16: remove\n", dev->minor);
for (i = 0; i < 2; i++) {
if (devpriv->dma_buffer[i])
pci_free_consistent(NULL, DAS16_DMA_SIZE,
- devpriv->dma_buffer[i],
- devpriv->dma_buffer_addr[i]);
+ devpriv->dma_buffer[i],
+ devpriv->
+ dma_buffer_addr[i]);
}
if (devpriv->dma_chan)
free_dma(devpriv->dma_chan);
}
if (dev->irq)
- comedi_free_irq(dev->irq, dev);
+ free_irq(dev->irq, dev);
if (dev->iobase) {
if (thisboard->size < 0x400) {
} else {
release_region(dev->iobase, 0x10);
release_region(dev->iobase + 0x400,
- thisboard->size & 0x3ff);
+ thisboard->size & 0x3ff);
}
}
COMEDI_INITCLEANUP(driver_das16);
-// utility function that suggests a dma transfer size in bytes
-static unsigned int das16_suggest_transfer_size(struct comedi_device * dev,
- struct comedi_cmd cmd)
+/* utility function that suggests a dma transfer size in bytes */
+static unsigned int das16_suggest_transfer_size(struct comedi_device *dev,
+ struct comedi_cmd cmd)
{
unsigned int size;
unsigned int freq;
freq = 1000000000 / cmd.convert_arg;
else if (cmd.scan_begin_src == TRIG_TIMER)
freq = (1000000000 / cmd.scan_begin_arg) * cmd.chanlist_len;
- // return some default value
+ /* return some default value */
else
freq = 0xffffffff;
if (cmd.flags & TRIG_WAKE_EOS) {
size = sample_size * cmd.chanlist_len;
} else {
- // make buffer fill in no more than 1/3 second
+ /* make buffer fill in no more than 1/3 second */
size = (freq / 3) * sample_size;
}
- // set a minimum and maximum size allowed
+ /* set a minimum and maximum size allowed */
if (size > DAS16_DMA_SIZE)
size = DAS16_DMA_SIZE - DAS16_DMA_SIZE % sample_size;
else if (size < sample_size)
return size;
}
-static void das16_ai_munge(struct comedi_device * dev, struct comedi_subdevice * s,
- void *array, unsigned int num_bytes, unsigned int start_chan_index)
+static void das16_ai_munge(struct comedi_device *dev,
+ struct comedi_subdevice *s, void *array,
+ unsigned int num_bytes,
+ unsigned int start_chan_index)
{
unsigned int i, num_samples = num_bytes / sizeof(short);
short *data = array;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff