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path: root/drivers/staging/comedi/drivers/das16.c
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-rw-r--r--drivers/staging/comedi/drivers/das16.c816
1 files changed, 409 insertions, 407 deletions
diff --git a/drivers/staging/comedi/drivers/das16.c b/drivers/staging/comedi/drivers/das16.c
index 6b6b042099de..59af86a8bbfb 100644
--- a/drivers/staging/comedi/drivers/das16.c
+++ b/drivers/staging/comedi/drivers/das16.c
@@ -79,6 +79,7 @@ Computer boards manuals also available from their website www.measurementcomputi
*/
#include <linux/pci.h>
+#include <linux/interrupt.h>
#include <asm/dma.h>
#include "../comedidev.h"
@@ -87,16 +88,16 @@ Computer boards manuals also available from their website www.measurementcomputi
#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
@@ -184,7 +185,7 @@ Computer boards manuals also available from their website www.measurementcomputi
*/
-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
@@ -265,7 +266,7 @@ static const struct comedi_lrange range_das1x02_unip = { 4, {
}
};
static const struct comedi_lrange range_das16jr = { 9, {
- // also used by 16/330
+ /* also used by 16/330 */
BIP_RANGE(10),
BIP_RANGE(5),
BIP_RANGE(2.5),
@@ -326,40 +327,40 @@ struct munge_info {
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,
+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 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,
+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,
+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);
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;
@@ -375,339 +376,337 @@ struct das16_board {
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(struct 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
@@ -719,31 +718,31 @@ static inline int timer_period(void)
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 *)(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;
@@ -757,7 +756,7 @@ static int das16_cmd_test(struct comedi_device * dev, struct comedi_subdevice *
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;
@@ -766,7 +765,7 @@ static int das16_cmd_test(struct comedi_device * dev, struct comedi_subdevice *
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;
@@ -797,7 +796,7 @@ static int das16_cmd_test(struct comedi_device * dev, struct comedi_subdevice *
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)
@@ -824,7 +823,7 @@ static int das16_cmd_test(struct comedi_device * dev, struct comedi_subdevice *
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) {
@@ -849,10 +848,10 @@ static int das16_cmd_test(struct comedi_device * dev, struct comedi_subdevice *
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);
@@ -860,7 +859,7 @@ static int das16_cmd_test(struct comedi_device * dev, struct comedi_subdevice *
}
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);
@@ -869,7 +868,7 @@ static int das16_cmd_test(struct comedi_device * dev, struct comedi_subdevice *
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]);
@@ -893,7 +892,7 @@ static int das16_cmd_test(struct comedi_device * dev, struct comedi_subdevice *
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;
@@ -916,11 +915,11 @@ static int das16_cmd_exec(struct comedi_device * dev, struct comedi_subdevice *
devpriv->adc_byte_count =
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);
@@ -945,7 +944,7 @@ static int das16_cmd_exec(struct comedi_device * dev, struct comedi_subdevice *
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);
@@ -953,7 +952,7 @@ static int das16_cmd_exec(struct comedi_device * dev, struct comedi_subdevice *
}
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
@@ -962,13 +961,13 @@ static int das16_cmd_exec(struct comedi_device * dev, struct comedi_subdevice *
devpriv->current_buffer = 0;
set_dma_addr(devpriv->dma_chan,
devpriv->dma_buffer_addr[devpriv->current_buffer]);
- // set appropriate size of transfer
+ /* 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();
@@ -996,18 +995,18 @@ static int das16_cmd_exec(struct comedi_device * dev, struct comedi_subdevice *
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);
@@ -1018,12 +1017,12 @@ static int das16_cancel(struct comedi_device * dev, struct comedi_subdevice * s)
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);
@@ -1031,15 +1030,15 @@ static void das16_reset(struct comedi_device * dev)
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);
@@ -1064,7 +1063,7 @@ static int das16_ai_rinsn(struct comedi_device * dev, struct comedi_subdevice *
break;
}
if (i == DAS16_TIMEOUT) {
- rt_printk("das16: timeout\n");
+ printk("das16: timeout\n");
return -ETIME;
}
msb = inb(dev->iobase + DAS16_AI_MSB);
@@ -1079,8 +1078,8 @@ static int das16_ai_rinsn(struct comedi_device * dev, struct comedi_subdevice *
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;
@@ -1091,17 +1090,17 @@ static int das16_di_rbits(struct comedi_device * dev, struct comedi_subdevice *
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;
@@ -1111,8 +1110,8 @@ static int das16_do_wbits(struct comedi_device * dev, struct comedi_subdevice *
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;
@@ -1135,7 +1134,7 @@ static int das16_ao_winsn(struct comedi_device * dev, struct comedi_subdevice *
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;
@@ -1169,7 +1168,7 @@ static void das16_timer_interrupt(unsigned long arg)
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;
@@ -1182,7 +1181,7 @@ static int disable_dma_on_even(struct comedi_device * dev)
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;
@@ -1197,7 +1196,7 @@ static int disable_dma_on_even(struct comedi_device * dev)
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;
@@ -1210,7 +1209,7 @@ static void das16_interrupt(struct comedi_device * dev)
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;
@@ -1219,9 +1218,9 @@ static void das16_interrupt(struct comedi_device * dev)
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;
}
@@ -1230,7 +1229,7 @@ static void das16_interrupt(struct comedi_device * dev)
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;
@@ -1247,12 +1246,12 @@ static void das16_interrupt(struct comedi_device * dev)
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;
- // 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]);
@@ -1265,7 +1264,7 @@ static void das16_interrupt(struct comedi_device * dev)
}
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);
@@ -1273,7 +1272,7 @@ static void das16_interrupt(struct comedi_device * dev)
cfc_handle_events(dev, s);
}
-static unsigned int das16_set_pacer(struct comedi_device * dev, unsigned int ns,
+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),
@@ -1286,7 +1285,7 @@ static unsigned int das16_set_pacer(struct comedi_device * dev, unsigned int ns,
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));
@@ -1304,7 +1303,7 @@ static void reg_dump(struct comedi_device * dev)
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;
@@ -1338,7 +1337,7 @@ static int das16_probe(struct comedi_device * dev, struct comedi_devconfig * it)
return 0;
}
-static int das1600_mode_detect(struct comedi_device * dev)
+static int das1600_mode_detect(struct comedi_device *dev)
{
int status = 0;
@@ -1366,7 +1365,7 @@ static int das1600_mode_detect(struct comedi_device * dev)
* 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;
@@ -1391,7 +1390,7 @@ static int das16_attach(struct comedi_device * dev, struct comedi_devconfig * it
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) {
@@ -1400,7 +1399,8 @@ static int das16_attach(struct comedi_device * dev, struct comedi_devconfig * it
}
}
- 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) {
@@ -1431,27 +1431,28 @@ static int das16_attach(struct comedi_device * dev, struct comedi_devconfig * it
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);
@@ -1462,10 +1463,10 @@ static int das16_attach(struct comedi_device * dev, struct comedi_devconfig * it
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,
@@ -1491,27 +1492,27 @@ static int das16_attach(struct comedi_device * dev, struct comedi_devconfig * it
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
+ /* allocate single-range range table */
devpriv->user_ai_range_table =
kmalloc(sizeof(struct comedi_lrange) + sizeof(struct comedi_krange),
GFP_KERNEL);
- // initialize ai range
+ /* 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
+ /* 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];
@@ -1526,7 +1527,8 @@ static int das16_attach(struct comedi_device * dev, struct comedi_devconfig * it
}
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;
@@ -1545,7 +1547,7 @@ static int das16_attach(struct comedi_device * dev, struct comedi_devconfig * it
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];
@@ -1568,7 +1570,7 @@ static int das16_attach(struct comedi_device * dev, struct comedi_devconfig * it
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;
@@ -1600,7 +1602,7 @@ static int das16_attach(struct comedi_device * dev, struct comedi_devconfig * it
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;
@@ -1620,7 +1622,7 @@ static int das16_attach(struct comedi_device * dev, struct comedi_devconfig * it
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);
@@ -1630,7 +1632,7 @@ static int das16_attach(struct comedi_device * dev, struct comedi_devconfig * it
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);
@@ -1656,7 +1658,7 @@ static int das16_detach(struct comedi_device * dev)
}
if (dev->irq)
- comedi_free_irq(dev->irq, dev);
+ free_irq(dev->irq, dev);
if (dev->iobase) {
if (thisboard->size < 0x400) {
@@ -1673,8 +1675,8 @@ static int das16_detach(struct comedi_device * dev)
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,
+/* 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;
@@ -1692,18 +1694,18 @@ static unsigned int das16_suggest_transfer_size(struct comedi_device * dev,
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)
@@ -1715,7 +1717,7 @@ static unsigned int das16_suggest_transfer_size(struct comedi_device * dev,
return size;
}
-static void das16_ai_munge(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)
{
unsigned int i, num_samples = num_bytes / sizeof(short);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.