#include <linux/interrupt.h>
#include <linux/slab.h>
#include "../comedidev.h"
#include <linux/ioport.h>
#include <linux/io.h>
#include <asm/dma.h>
#include "8253.h"
#include "comedi_fc.h"

Data Structures
struct	a2150_board

struct	a2150_private

Macros
#define	A2150_SIZE 28

#define	A2150_DMA_BUFFER_SIZE 0xff00 /* size in bytes of dma buffer */

#define	CONFIG_REG 0x0

#define	CHANNEL_BITS(x) ((x) & 0x7)

#define	CHANNEL_MASK 0x7

#define	CLOCK_SELECT_BITS(x) (((x) & 0x3) << 3)

#define	CLOCK_DIVISOR_BITS(x) (((x) & 0x3) << 5)

#define	CLOCK_MASK (0xf << 3)

#define	ENABLE0_BIT 0x80 /* enable (don't internally ground) channels 0 and 1 */

#define	ENABLE1_BIT 0x100 /* enable (don't internally ground) channels 2 and 3 */

#define	AC0_BIT 0x200 /* ac couple channels 0,1 */

#define	AC1_BIT 0x400 /* ac couple channels 2,3 */

#define	APD_BIT 0x800 /* analog power down */

#define	DPD_BIT 0x1000 /* digital power down */

#define	TRIGGER_REG 0x2 /* trigger config register */

#define	POST_TRIGGER_BITS 0x2

#define	DELAY_TRIGGER_BITS 0x3

#define	HW_TRIG_EN 0x10 /* enable hardware trigger */

#define	FIFO_START_REG 0x6 /* software start aquistion trigger */

#define	FIFO_RESET_REG 0x8 /* clears fifo + fifo flags */

#define	FIFO_DATA_REG 0xa /* read data */

#define	DMA_TC_CLEAR_REG 0xe /* clear dma terminal count interrupt */

#define	STATUS_REG 0x12 /* read only */

#define	FNE_BIT 0x1 /* fifo not empty */

#define	OVFL_BIT 0x8 /* fifo overflow */

#define	EDAQ_BIT 0x10 /* end of acquisition interrupt */

#define	DCAL_BIT 0x20 /* offset calibration in progress */

#define	INTR_BIT 0x40 /* interrupt has occurred */

#define	DMA_TC_BIT 0x80 /* dma terminal count interrupt has occurred */

#define	ID_BITS(x) (((x) >> 8) & 0x3)

#define	IRQ_DMA_CNTRL_REG 0x12 /* write only */

#define	DMA_CHAN_BITS(x) ((x) & 0x7) /* sets dma channel */

#define	DMA_EN_BIT 0x8 /* enables dma */

#define	IRQ_LVL_BITS(x) (((x) & 0xf) << 4) /* sets irq level */

#define	FIFO_INTR_EN_BIT 0x100 /* enable fifo interrupts */

#define	FIFO_INTR_FHF_BIT 0x200 /* interrupt fifo half full */

#define	DMA_INTR_EN_BIT 0x800 /* enable interrupt on dma terminal count */

#define	DMA_DEM_EN_BIT 0x1000 /* enables demand mode dma */

#define	I8253_BASE_REG 0x14

#define	I8253_MODE_REG 0x17

#define	HW_COUNT_DISABLE 0x30 /* disable hardware counting of conversions */

#define	thisboard ((const struct a2150_board *)dev->board_ptr)

#define	devpriv ((struct a2150_private *)dev->private)

#define	ONE_THIRD_SECOND 333333333

Enumerations
enum	{ a2150_c, a2150_s }

Functions
	module_comedi_driver (ni_at_a2150_driver)

	MODULE_AUTHOR ("Comedi http://www.comedi.org")

	MODULE_DESCRIPTION ("Comedi low-level driver")

	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define A2150_DMA_BUFFER_SIZE 0xff00 /* size in bytes of dma buffer */

Definition at line 79 of file ni_at_a2150.c.

#define A2150_SIZE 28

Definition at line 78 of file ni_at_a2150.c.

#define AC0_BIT 0x200 /* ac couple channels 0,1 */

Definition at line 93 of file ni_at_a2150.c.

#define AC1_BIT 0x400 /* ac couple channels 2,3 */

Definition at line 94 of file ni_at_a2150.c.

#define APD_BIT 0x800 /* analog power down */

Definition at line 95 of file ni_at_a2150.c.

#define CHANNEL_BITS ( x ) ((x) & 0x7)

Definition at line 86 of file ni_at_a2150.c.

#define CHANNEL_MASK 0x7

Definition at line 87 of file ni_at_a2150.c.

#define CLOCK_DIVISOR_BITS ( x ) (((x) & 0x3) << 5)

Definition at line 89 of file ni_at_a2150.c.

#define CLOCK_MASK (0xf << 3)

Definition at line 90 of file ni_at_a2150.c.

#define CLOCK_SELECT_BITS ( x ) (((x) & 0x3) << 3)

Definition at line 88 of file ni_at_a2150.c.

#define CONFIG_REG 0x0

Definition at line 85 of file ni_at_a2150.c.

#define DCAL_BIT 0x20 /* offset calibration in progress */

Definition at line 109 of file ni_at_a2150.c.

#define DELAY_TRIGGER_BITS 0x3

Definition at line 99 of file ni_at_a2150.c.

#define devpriv ((struct a2150_private *)dev->private)

Definition at line 172 of file ni_at_a2150.c.

#define DMA_CHAN_BITS ( x ) ((x) & 0x7) /* sets dma channel */

Definition at line 114 of file ni_at_a2150.c.

#define DMA_DEM_EN_BIT 0x1000 /* enables demand mode dma */

Definition at line 120 of file ni_at_a2150.c.

#define DMA_EN_BIT 0x8 /* enables dma */

Definition at line 115 of file ni_at_a2150.c.

#define DMA_INTR_EN_BIT 0x800 /* enable interrupt on dma terminal count */

Definition at line 119 of file ni_at_a2150.c.

#define DMA_TC_BIT 0x80 /* dma terminal count interrupt has occurred */

Definition at line 111 of file ni_at_a2150.c.

#define DMA_TC_CLEAR_REG 0xe /* clear dma terminal count interrupt */

Definition at line 104 of file ni_at_a2150.c.

#define DPD_BIT 0x1000 /* digital power down */

Definition at line 96 of file ni_at_a2150.c.

#define EDAQ_BIT 0x10 /* end of acquisition interrupt */

Definition at line 108 of file ni_at_a2150.c.

#define ENABLE0_BIT 0x80 /* enable (don't internally ground) channels 0 and 1 */

Definition at line 91 of file ni_at_a2150.c.

#define ENABLE1_BIT 0x100 /* enable (don't internally ground) channels 2 and 3 */

Definition at line 92 of file ni_at_a2150.c.

#define FIFO_DATA_REG 0xa /* read data */

Definition at line 103 of file ni_at_a2150.c.

#define FIFO_INTR_EN_BIT 0x100 /* enable fifo interrupts */

Definition at line 117 of file ni_at_a2150.c.

#define FIFO_INTR_FHF_BIT 0x200 /* interrupt fifo half full */

Definition at line 118 of file ni_at_a2150.c.

#define FIFO_RESET_REG 0x8 /* clears fifo + fifo flags */

Definition at line 102 of file ni_at_a2150.c.

#define FIFO_START_REG 0x6 /* software start aquistion trigger */

Definition at line 101 of file ni_at_a2150.c.

#define FNE_BIT 0x1 /* fifo not empty */

Definition at line 106 of file ni_at_a2150.c.

#define HW_COUNT_DISABLE 0x30 /* disable hardware counting of conversions */

Definition at line 123 of file ni_at_a2150.c.

#define HW_TRIG_EN 0x10 /* enable hardware trigger */

Definition at line 100 of file ni_at_a2150.c.

#define I8253_BASE_REG 0x14

Definition at line 121 of file ni_at_a2150.c.

#define I8253_MODE_REG 0x17

Definition at line 122 of file ni_at_a2150.c.

#define ID_BITS ( x ) (((x) >> 8) & 0x3)

Definition at line 112 of file ni_at_a2150.c.

#define INTR_BIT 0x40 /* interrupt has occurred */

Definition at line 110 of file ni_at_a2150.c.

#define IRQ_DMA_CNTRL_REG 0x12 /* write only */

Definition at line 113 of file ni_at_a2150.c.

#define IRQ_LVL_BITS ( x ) (((x) & 0xf) << 4) /* sets irq level */

Definition at line 116 of file ni_at_a2150.c.

#define ONE_THIRD_SECOND 333333333

#define OVFL_BIT 0x8 /* fifo overflow */

Definition at line 107 of file ni_at_a2150.c.

#define POST_TRIGGER_BITS 0x2

Definition at line 98 of file ni_at_a2150.c.

#define STATUS_REG 0x12 /* read only */

Definition at line 105 of file ni_at_a2150.c.

#define thisboard ((const struct a2150_board *)dev->board_ptr)

Definition at line 160 of file ni_at_a2150.c.

#define TRIGGER_REG 0x2 /* trigger config register */

Definition at line 97 of file ni_at_a2150.c.

Enumeration Type Documentation

anonymous enum

Enumerator:

a2150_c
a2150_s

Definition at line 141 of file ni_at_a2150.c.

Function Documentation

MODULE_AUTHOR ( "Comedi http://www.comedi.org" )

module_comedi_driver ( ni_at_a2150_driver )

MODULE_DESCRIPTION ( "Comedi low-level driver" )

MODULE_LICENSE ( "GPL" )

Data Structures

Macros

Enumerations

Functions

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation