#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/sysfs.h>
#include <linux/spi/spi.h>
#include <linux/err.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#include <linux/iio/events.h>
#include "ad7280a.h"

Data Structures
struct	ad7280_state

Macros
#define	AD7280A_CELL_VOLTAGE_1 0x0 /* D11 to D0, Read only */

#define	AD7280A_CELL_VOLTAGE_2 0x1 /* D11 to D0, Read only */

#define	AD7280A_CELL_VOLTAGE_3 0x2 /* D11 to D0, Read only */

#define	AD7280A_CELL_VOLTAGE_4 0x3 /* D11 to D0, Read only */

#define	AD7280A_CELL_VOLTAGE_5 0x4 /* D11 to D0, Read only */

#define	AD7280A_CELL_VOLTAGE_6 0x5 /* D11 to D0, Read only */

#define	AD7280A_AUX_ADC_1 0x6 /* D11 to D0, Read only */

#define	AD7280A_AUX_ADC_2 0x7 /* D11 to D0, Read only */

#define	AD7280A_AUX_ADC_3 0x8 /* D11 to D0, Read only */

#define	AD7280A_AUX_ADC_4 0x9 /* D11 to D0, Read only */

#define	AD7280A_AUX_ADC_5 0xA /* D11 to D0, Read only */

#define	AD7280A_AUX_ADC_6 0xB /* D11 to D0, Read only */

#define	AD7280A_SELF_TEST 0xC /* D11 to D0, Read only */

#define	AD7280A_CONTROL_HB 0xD /* D15 to D8, Read/write */

#define	AD7280A_CONTROL_LB 0xE /* D7 to D0, Read/write */

#define	AD7280A_CELL_OVERVOLTAGE 0xF /* D7 to D0, Read/write */

#define	AD7280A_CELL_UNDERVOLTAGE 0x10 /* D7 to D0, Read/write */

#define	AD7280A_AUX_ADC_OVERVOLTAGE 0x11 /* D7 to D0, Read/write */

#define	AD7280A_AUX_ADC_UNDERVOLTAGE 0x12 /* D7 to D0, Read/write */

#define	AD7280A_ALERT 0x13 /* D7 to D0, Read/write */

#define	AD7280A_CELL_BALANCE 0x14 /* D7 to D0, Read/write */

#define	AD7280A_CB1_TIMER 0x15 /* D7 to D0, Read/write */

#define	AD7280A_CB2_TIMER 0x16 /* D7 to D0, Read/write */

#define	AD7280A_CB3_TIMER 0x17 /* D7 to D0, Read/write */

#define	AD7280A_CB4_TIMER 0x18 /* D7 to D0, Read/write */

#define	AD7280A_CB5_TIMER 0x19 /* D7 to D0, Read/write */

#define	AD7280A_CB6_TIMER 0x1A /* D7 to D0, Read/write */

#define	AD7280A_PD_TIMER 0x1B /* D7 to D0, Read/write */

#define	AD7280A_READ 0x1C /* D7 to D0, Read/write */

#define	AD7280A_CNVST_CONTROL 0x1D /* D7 to D0, Read/write */

#define	AD7280A_CTRL_HB_CONV_INPUT_ALL (0 << 6)

#define	AD7280A_CTRL_HB_CONV_INPUT_6CELL_AUX1_3_4 (1 << 6)

#define	AD7280A_CTRL_HB_CONV_INPUT_6CELL (2 << 6)

#define	AD7280A_CTRL_HB_CONV_INPUT_SELF_TEST (3 << 6)

#define	AD7280A_CTRL_HB_CONV_RES_READ_ALL (0 << 4)

#define	AD7280A_CTRL_HB_CONV_RES_READ_6CELL_AUX1_3_4 (1 << 4)

#define	AD7280A_CTRL_HB_CONV_RES_READ_6CELL (2 << 4)

#define	AD7280A_CTRL_HB_CONV_RES_READ_NO (3 << 4)

#define	AD7280A_CTRL_HB_CONV_START_CNVST (0 << 3)

#define	AD7280A_CTRL_HB_CONV_START_CS (1 << 3)

#define	AD7280A_CTRL_HB_CONV_AVG_DIS (0 << 1)

#define	AD7280A_CTRL_HB_CONV_AVG_2 (1 << 1)

#define	AD7280A_CTRL_HB_CONV_AVG_4 (2 << 1)

#define	AD7280A_CTRL_HB_CONV_AVG_8 (3 << 1)

#define	AD7280A_CTRL_HB_CONV_AVG(x) ((x) << 1)

#define	AD7280A_CTRL_HB_PWRDN_SW (1 << 0)

#define	AD7280A_CTRL_LB_SWRST (1 << 7)

#define	AD7280A_CTRL_LB_ACQ_TIME_400ns (0 << 5)

#define	AD7280A_CTRL_LB_ACQ_TIME_800ns (1 << 5)

#define	AD7280A_CTRL_LB_ACQ_TIME_1200ns (2 << 5)

#define	AD7280A_CTRL_LB_ACQ_TIME_1600ns (3 << 5)

#define	AD7280A_CTRL_LB_ACQ_TIME(x) ((x) << 5)

#define	AD7280A_CTRL_LB_MUST_SET (1 << 4)

#define	AD7280A_CTRL_LB_THERMISTOR_EN (1 << 3)

#define	AD7280A_CTRL_LB_LOCK_DEV_ADDR (1 << 2)

#define	AD7280A_CTRL_LB_INC_DEV_ADDR (1 << 1)

#define	AD7280A_CTRL_LB_DAISY_CHAIN_RB_EN (1 << 0)

#define	AD7280A_ALERT_GEN_STATIC_HIGH (1 << 6)

#define	AD7280A_ALERT_RELAY_SIG_CHAIN_DOWN (3 << 6)

#define	AD7280A_ALL_CELLS (0xAD << 16)

#define	AD7280A_MAX_SPI_CLK_Hz 700000 /* < 1MHz */

#define	AD7280A_MAX_CHAIN 8

#define	AD7280A_CELLS_PER_DEV 6

#define	AD7280A_BITS 12

#define	AD7280A_NUM_CH

#define	AD7280A_DEVADDR_MASTER 0

#define	AD7280A_DEVADDR_ALL 0x1F

#define	AD7280A_DEVADDR(addr)

#define	AD7280A_READ_TXVAL 0xF800030A

#define	POLYNOM 0x2F

#define	POLYNOM_ORDER 8

#define	HIGHBIT 1 << (POLYNOM_ORDER - 1);

Functions
	MODULE_DEVICE_TABLE (spi, ad7280_id)

	module_spi_driver (ad7280_driver)

	MODULE_AUTHOR ("Michael Hennerich <[email protected]>")

	MODULE_DESCRIPTION ("Analog Devices AD7280A")

	MODULE_LICENSE ("GPL v2")

Macro Definition Documentation

#define AD7280A_ALERT 0x13 /* D7 to D0, Read/write */

Definition at line 45 of file ad7280a.c.

#define AD7280A_ALERT_GEN_STATIC_HIGH (1 << 6)

Definition at line 87 of file ad7280a.c.

#define AD7280A_ALERT_RELAY_SIG_CHAIN_DOWN (3 << 6)

Definition at line 88 of file ad7280a.c.

#define AD7280A_ALL_CELLS (0xAD << 16)

Definition at line 90 of file ad7280a.c.

#define AD7280A_AUX_ADC_1 0x6 /* D11 to D0, Read only */

Definition at line 32 of file ad7280a.c.

#define AD7280A_AUX_ADC_2 0x7 /* D11 to D0, Read only */

Definition at line 33 of file ad7280a.c.

#define AD7280A_AUX_ADC_3 0x8 /* D11 to D0, Read only */

Definition at line 34 of file ad7280a.c.

#define AD7280A_AUX_ADC_4 0x9 /* D11 to D0, Read only */

Definition at line 35 of file ad7280a.c.

#define AD7280A_AUX_ADC_5 0xA /* D11 to D0, Read only */

Definition at line 36 of file ad7280a.c.

#define AD7280A_AUX_ADC_6 0xB /* D11 to D0, Read only */

Definition at line 37 of file ad7280a.c.

#define AD7280A_AUX_ADC_OVERVOLTAGE 0x11 /* D7 to D0, Read/write */

Definition at line 43 of file ad7280a.c.

#define AD7280A_AUX_ADC_UNDERVOLTAGE 0x12 /* D7 to D0, Read/write */

Definition at line 44 of file ad7280a.c.

#define AD7280A_BITS 12

Definition at line 95 of file ad7280a.c.

#define AD7280A_CB1_TIMER 0x15 /* D7 to D0, Read/write */

Definition at line 47 of file ad7280a.c.

#define AD7280A_CB2_TIMER 0x16 /* D7 to D0, Read/write */

Definition at line 48 of file ad7280a.c.

#define AD7280A_CB3_TIMER 0x17 /* D7 to D0, Read/write */

Definition at line 49 of file ad7280a.c.

#define AD7280A_CB4_TIMER 0x18 /* D7 to D0, Read/write */

Definition at line 50 of file ad7280a.c.

#define AD7280A_CB5_TIMER 0x19 /* D7 to D0, Read/write */

Definition at line 51 of file ad7280a.c.

#define AD7280A_CB6_TIMER 0x1A /* D7 to D0, Read/write */

Definition at line 52 of file ad7280a.c.

#define AD7280A_CELL_BALANCE 0x14 /* D7 to D0, Read/write */

Definition at line 46 of file ad7280a.c.

#define AD7280A_CELL_OVERVOLTAGE 0xF /* D7 to D0, Read/write */

Definition at line 41 of file ad7280a.c.

#define AD7280A_CELL_UNDERVOLTAGE 0x10 /* D7 to D0, Read/write */

Definition at line 42 of file ad7280a.c.

#define AD7280A_CELL_VOLTAGE_1 0x0 /* D11 to D0, Read only */

Definition at line 26 of file ad7280a.c.

#define AD7280A_CELL_VOLTAGE_2 0x1 /* D11 to D0, Read only */

Definition at line 27 of file ad7280a.c.

#define AD7280A_CELL_VOLTAGE_3 0x2 /* D11 to D0, Read only */

Definition at line 28 of file ad7280a.c.

#define AD7280A_CELL_VOLTAGE_4 0x3 /* D11 to D0, Read only */

Definition at line 29 of file ad7280a.c.

#define AD7280A_CELL_VOLTAGE_5 0x4 /* D11 to D0, Read only */

Definition at line 30 of file ad7280a.c.

#define AD7280A_CELL_VOLTAGE_6 0x5 /* D11 to D0, Read only */

Definition at line 31 of file ad7280a.c.

#define AD7280A_CELLS_PER_DEV 6

Definition at line 94 of file ad7280a.c.

#define AD7280A_CNVST_CONTROL 0x1D /* D7 to D0, Read/write */

Definition at line 55 of file ad7280a.c.

#define AD7280A_CONTROL_HB 0xD /* D15 to D8, Read/write */

Definition at line 39 of file ad7280a.c.

#define AD7280A_CONTROL_LB 0xE /* D7 to D0, Read/write */

Definition at line 40 of file ad7280a.c.

#define AD7280A_CTRL_HB_CONV_AVG ( x ) ((x) << 1)

Definition at line 72 of file ad7280a.c.

#define AD7280A_CTRL_HB_CONV_AVG_2 (1 << 1)

Definition at line 69 of file ad7280a.c.

#define AD7280A_CTRL_HB_CONV_AVG_4 (2 << 1)

Definition at line 70 of file ad7280a.c.

#define AD7280A_CTRL_HB_CONV_AVG_8 (3 << 1)

Definition at line 71 of file ad7280a.c.

#define AD7280A_CTRL_HB_CONV_AVG_DIS (0 << 1)

Definition at line 68 of file ad7280a.c.

#define AD7280A_CTRL_HB_CONV_INPUT_6CELL (2 << 6)

Definition at line 60 of file ad7280a.c.

#define AD7280A_CTRL_HB_CONV_INPUT_6CELL_AUX1_3_4 (1 << 6)

Definition at line 59 of file ad7280a.c.

#define AD7280A_CTRL_HB_CONV_INPUT_ALL (0 << 6)

Definition at line 58 of file ad7280a.c.

#define AD7280A_CTRL_HB_CONV_INPUT_SELF_TEST (3 << 6)

Definition at line 61 of file ad7280a.c.

#define AD7280A_CTRL_HB_CONV_RES_READ_6CELL (2 << 4)

Definition at line 64 of file ad7280a.c.

#define AD7280A_CTRL_HB_CONV_RES_READ_6CELL_AUX1_3_4 (1 << 4)

Definition at line 63 of file ad7280a.c.

#define AD7280A_CTRL_HB_CONV_RES_READ_ALL (0 << 4)

Definition at line 62 of file ad7280a.c.

#define AD7280A_CTRL_HB_CONV_RES_READ_NO (3 << 4)

Definition at line 65 of file ad7280a.c.

#define AD7280A_CTRL_HB_CONV_START_CNVST (0 << 3)

Definition at line 66 of file ad7280a.c.

#define AD7280A_CTRL_HB_CONV_START_CS (1 << 3)

Definition at line 67 of file ad7280a.c.

#define AD7280A_CTRL_HB_PWRDN_SW (1 << 0)

Definition at line 73 of file ad7280a.c.

#define AD7280A_CTRL_LB_ACQ_TIME ( x ) ((x) << 5)

Definition at line 80 of file ad7280a.c.

#define AD7280A_CTRL_LB_ACQ_TIME_1200ns (2 << 5)

Definition at line 78 of file ad7280a.c.

#define AD7280A_CTRL_LB_ACQ_TIME_1600ns (3 << 5)

Definition at line 79 of file ad7280a.c.

#define AD7280A_CTRL_LB_ACQ_TIME_400ns (0 << 5)

Definition at line 76 of file ad7280a.c.

#define AD7280A_CTRL_LB_ACQ_TIME_800ns (1 << 5)

Definition at line 77 of file ad7280a.c.

#define AD7280A_CTRL_LB_DAISY_CHAIN_RB_EN (1 << 0)

Definition at line 85 of file ad7280a.c.

#define AD7280A_CTRL_LB_INC_DEV_ADDR (1 << 1)

Definition at line 84 of file ad7280a.c.

#define AD7280A_CTRL_LB_LOCK_DEV_ADDR (1 << 2)

Definition at line 83 of file ad7280a.c.

#define AD7280A_CTRL_LB_MUST_SET (1 << 4)

Definition at line 81 of file ad7280a.c.

#define AD7280A_CTRL_LB_SWRST (1 << 7)

Definition at line 75 of file ad7280a.c.

#define AD7280A_CTRL_LB_THERMISTOR_EN (1 << 3)

Definition at line 82 of file ad7280a.c.

#define AD7280A_DEVADDR ( addr )

Value:

(((addr & 0x1) << 4) | ((addr & 0x2) << 3) | \
                (addr & 0x4) | ((addr & 0x8) >> 3) | \
                ((addr & 0x10) >> 4))

Definition at line 102 of file ad7280a.c.

#define AD7280A_DEVADDR_ALL 0x1F

Definition at line 100 of file ad7280a.c.

#define AD7280A_DEVADDR_MASTER 0

Definition at line 99 of file ad7280a.c.

#define AD7280A_MAX_CHAIN 8

Definition at line 93 of file ad7280a.c.

#define AD7280A_MAX_SPI_CLK_Hz 700000 /* < 1MHz */

Definition at line 92 of file ad7280a.c.

#define AD7280A_NUM_CH

Value:

(AD7280A_AUX_ADC_6 - \

AD7280A_CELL_VOLTAGE_1 + 1)

Definition at line 96 of file ad7280a.c.

#define AD7280A_PD_TIMER 0x1B /* D7 to D0, Read/write */

Definition at line 53 of file ad7280a.c.

#define AD7280A_READ 0x1C /* D7 to D0, Read/write */

Definition at line 54 of file ad7280a.c.

#define AD7280A_READ_TXVAL 0xF800030A

Definition at line 111 of file ad7280a.c.

#define AD7280A_SELF_TEST 0xC /* D11 to D0, Read only */

Definition at line 38 of file ad7280a.c.

#define HIGHBIT 1 << (POLYNOM_ORDER - 1);

Definition at line 120 of file ad7280a.c.

#define POLYNOM 0x2F

Definition at line 118 of file ad7280a.c.

#define POLYNOM_ORDER 8

Definition at line 119 of file ad7280a.c.

Function Documentation

MODULE_AUTHOR ( "Michael Hennerich <[email protected]>" )

MODULE_DESCRIPTION ( "Analog Devices AD7280A" )

MODULE_DEVICE_TABLE	(	spi	,
		ad7280_id
	)

MODULE_LICENSE ( "GPL v2" )

module_spi_driver ( ad7280_driver )

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation