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me4000.h
Register descriptions and defines for the ME-4000 board family
COMEDI - Linux Control and Measurement Device Interface
Copyright (C) 1998-9 David A. Schleef <ds@schleef.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _ME4000_H_
#define _ME4000_H_
/*=============================================================================
Debug section
===========================================================================*/
#undef ME4000_CALL_DEBUG /* Debug function entry and exit */
#undef ME4000_PORT_DEBUG /* Debug port access */
#undef ME4000_ISR_DEBUG /* Debug the interrupt service routine */
#undef ME4000_DEBUG /* General purpose debug masseges */
#ifdef ME4000_CALL_DEBUG
#undef CALL_PDEBUG
#define CALL_PDEBUG(fmt, args...) printk(KERN_DEBUG"comedi%d: me4000: " fmt, dev->minor, ##args)
#else
# define CALL_PDEBUG(fmt, args...) /* no debugging, do nothing */
#endif
#ifdef ME4000_PORT_DEBUG
#undef PORT_PDEBUG
#define PORT_PDEBUG(fmt, args...) printk(KERN_DEBUG"comedi%d: me4000: " fmt, dev->minor, ##args)
#else
#define PORT_PDEBUG(fmt, args...) /* no debugging, do nothing */
#endif
#ifdef ME4000_ISR_DEBUG
#undef ISR_PDEBUG
#define ISR_PDEBUG(fmt, args...) printk(KERN_DEBUG"comedi%d: me4000: " fmt, dev->minor, ##args)
#else
#define ISR_PDEBUG(fmt, args...) /* no debugging, do nothing */
#endif
#ifdef ME4000_DEBUG
#undef PDEBUG
#define PDEBUG(fmt, args...) printk(KERN_DEBUG"comedi%d: me4000: " fmt, dev->minor, ##args)
#else
#define PDEBUG(fmt, args...) /* no debugging, do nothing */
#endif
/*=============================================================================
PCI vendor and device IDs
===========================================================================*/
#define PCI_VENDOR_ID_MEILHAUS 0x1402
#define PCI_DEVICE_ID_MEILHAUS_ME4650 0x4650 /* Low Cost version */
#define PCI_DEVICE_ID_MEILHAUS_ME4660 0x4660 /* Standard version */
#define PCI_DEVICE_ID_MEILHAUS_ME4660I 0x4661 /* Isolated version */
#define PCI_DEVICE_ID_MEILHAUS_ME4660S 0x4662 /* Standard version with Sample and Hold */
#define PCI_DEVICE_ID_MEILHAUS_ME4660IS 0x4663 /* Isolated version with Sample and Hold */
#define PCI_DEVICE_ID_MEILHAUS_ME4670 0x4670 /* Standard version */
#define PCI_DEVICE_ID_MEILHAUS_ME4670I 0x4671 /* Isolated version */
#define PCI_DEVICE_ID_MEILHAUS_ME4670S 0x4672 /* Standard version with Sample and Hold */
#define PCI_DEVICE_ID_MEILHAUS_ME4670IS 0x4673 /* Isolated version with Sample and Hold */
#define PCI_DEVICE_ID_MEILHAUS_ME4680 0x4680 /* Standard version */
#define PCI_DEVICE_ID_MEILHAUS_ME4680I 0x4681 /* Isolated version */
#define PCI_DEVICE_ID_MEILHAUS_ME4680S 0x4682 /* Standard version with Sample and Hold */
#define PCI_DEVICE_ID_MEILHAUS_ME4680IS 0x4683 /* Isolated version with Sample and Hold */
/*=============================================================================
ME-4000 base register offsets
===========================================================================*/
#define ME4000_AO_00_CTRL_REG 0x00 /* R/W */
#define ME4000_AO_00_STATUS_REG 0x04 /* R/_ */
#define ME4000_AO_00_FIFO_REG 0x08 /* _/W */
#define ME4000_AO_00_SINGLE_REG 0x0C /* R/W */
#define ME4000_AO_00_TIMER_REG 0x10 /* _/W */
#define ME4000_AO_01_CTRL_REG 0x18 /* R/W */
#define ME4000_AO_01_STATUS_REG 0x1C /* R/_ */
#define ME4000_AO_01_FIFO_REG 0x20 /* _/W */
#define ME4000_AO_01_SINGLE_REG 0x24 /* R/W */
#define ME4000_AO_01_TIMER_REG 0x28 /* _/W */
#define ME4000_AO_02_CTRL_REG 0x30 /* R/W */
#define ME4000_AO_02_STATUS_REG 0x34 /* R/_ */
#define ME4000_AO_02_FIFO_REG 0x38 /* _/W */
#define ME4000_AO_02_SINGLE_REG 0x3C /* R/W */
#define ME4000_AO_02_TIMER_REG 0x40 /* _/W */
#define ME4000_AO_03_CTRL_REG 0x48 /* R/W */
#define ME4000_AO_03_STATUS_REG 0x4C /* R/_ */
#define ME4000_AO_03_FIFO_REG 0x50 /* _/W */
#define ME4000_AO_03_SINGLE_REG 0x54 /* R/W */
#define ME4000_AO_03_TIMER_REG 0x58 /* _/W */
#define ME4000_AI_CTRL_REG 0x74 /* _/W */
#define ME4000_AI_STATUS_REG 0x74 /* R/_ */
#define ME4000_AI_CHANNEL_LIST_REG 0x78 /* _/W */
#define ME4000_AI_DATA_REG 0x7C /* R/_ */
#define ME4000_AI_CHAN_TIMER_REG 0x80 /* _/W */
#define ME4000_AI_CHAN_PRE_TIMER_REG 0x84 /* _/W */
#define ME4000_AI_SCAN_TIMER_LOW_REG 0x88 /* _/W */
#define ME4000_AI_SCAN_TIMER_HIGH_REG 0x8C /* _/W */
#define ME4000_AI_SCAN_PRE_TIMER_LOW_REG 0x90 /* _/W */
#define ME4000_AI_SCAN_PRE_TIMER_HIGH_REG 0x94 /* _/W */
#define ME4000_AI_START_REG 0x98 /* R/_ */
#define ME4000_IRQ_STATUS_REG 0x9C /* R/_ */
#define ME4000_DIO_PORT_0_REG 0xA0 /* R/W */
#define ME4000_DIO_PORT_1_REG 0xA4 /* R/W */
#define ME4000_DIO_PORT_2_REG 0xA8 /* R/W */
#define ME4000_DIO_PORT_3_REG 0xAC /* R/W */
#define ME4000_DIO_DIR_REG 0xB0 /* R/W */
#define ME4000_AO_LOADSETREG_XX 0xB4 /* R/W */
#define ME4000_DIO_CTRL_REG 0xB8 /* R/W */
#define ME4000_AO_DEMUX_ADJUST_REG 0xBC /* -/W */
#define ME4000_AI_SAMPLE_COUNTER_REG 0xC0 /* _/W */
/*=============================================================================
Value to adjust Demux
===========================================================================*/
#define ME4000_AO_DEMUX_ADJUST_VALUE 0x4C
/*=============================================================================
Counter base register offsets
===========================================================================*/
#define ME4000_CNT_COUNTER_0_REG 0x00
#define ME4000_CNT_COUNTER_1_REG 0x01
#define ME4000_CNT_COUNTER_2_REG 0x02
#define ME4000_CNT_CTRL_REG 0x03
/*=============================================================================
PLX base register offsets
===========================================================================*/
#define PLX_INTCSR 0x4C /* Interrupt control and status register */
#define PLX_ICR 0x50 /* Initialization control register */
/*=============================================================================
Bits for the PLX_ICSR register
===========================================================================*/
#define PLX_INTCSR_LOCAL_INT1_EN 0x01 /* If set, local interrupt 1 is enabled (r/w) */
#define PLX_INTCSR_LOCAL_INT1_POL 0x02 /* If set, local interrupt 1 polarity is active high (r/w) */
#define PLX_INTCSR_LOCAL_INT1_STATE 0x04 /* If set, local interrupt 1 is active (r/_) */
#define PLX_INTCSR_LOCAL_INT2_EN 0x08 /* If set, local interrupt 2 is enabled (r/w) */
#define PLX_INTCSR_LOCAL_INT2_POL 0x10 /* If set, local interrupt 2 polarity is active high (r/w) */
#define PLX_INTCSR_LOCAL_INT2_STATE 0x20 /* If set, local interrupt 2 is active (r/_) */
#define PLX_INTCSR_PCI_INT_EN 0x40 /* If set, PCI interrupt is enabled (r/w) */
#define PLX_INTCSR_SOFT_INT 0x80 /* If set, a software interrupt is generated (r/w) */
/*=============================================================================
Bits for the PLX_ICR register
===========================================================================*/
#define PLX_ICR_BIT_EEPROM_CLOCK_SET 0x01000000
#define PLX_ICR_BIT_EEPROM_CHIP_SELECT 0x02000000
#define PLX_ICR_BIT_EEPROM_WRITE 0x04000000
#define PLX_ICR_BIT_EEPROM_READ 0x08000000
#define PLX_ICR_BIT_EEPROM_VALID 0x10000000
#define PLX_ICR_MASK_EEPROM 0x1F000000
#define EEPROM_DELAY 1
/*=============================================================================
Bits for the ME4000_AO_CTRL_REG register
===========================================================================*/
#define ME4000_AO_CTRL_BIT_MODE_0 0x001
#define ME4000_AO_CTRL_BIT_MODE_1 0x002
#define ME4000_AO_CTRL_MASK_MODE 0x003
#define ME4000_AO_CTRL_BIT_STOP 0x004
#define ME4000_AO_CTRL_BIT_ENABLE_FIFO 0x008
#define ME4000_AO_CTRL_BIT_ENABLE_EX_TRIG 0x010
#define ME4000_AO_CTRL_BIT_EX_TRIG_EDGE 0x020
#define ME4000_AO_CTRL_BIT_IMMEDIATE_STOP 0x080
#define ME4000_AO_CTRL_BIT_ENABLE_DO 0x100
#define ME4000_AO_CTRL_BIT_ENABLE_IRQ 0x200
#define ME4000_AO_CTRL_BIT_RESET_IRQ 0x400
/*=============================================================================
Bits for the ME4000_AO_STATUS_REG register
===========================================================================*/
#define ME4000_AO_STATUS_BIT_FSM 0x01
#define ME4000_AO_STATUS_BIT_FF 0x02
#define ME4000_AO_STATUS_BIT_HF 0x04
#define ME4000_AO_STATUS_BIT_EF 0x08
/*=============================================================================
Bits for the ME4000_AI_CTRL_REG register
===========================================================================*/
#define ME4000_AI_CTRL_BIT_MODE_0 0x00000001
#define ME4000_AI_CTRL_BIT_MODE_1 0x00000002
#define ME4000_AI_CTRL_BIT_MODE_2 0x00000004
#define ME4000_AI_CTRL_BIT_SAMPLE_HOLD 0x00000008
#define ME4000_AI_CTRL_BIT_IMMEDIATE_STOP 0x00000010
#define ME4000_AI_CTRL_BIT_STOP 0x00000020
#define ME4000_AI_CTRL_BIT_CHANNEL_FIFO 0x00000040
#define ME4000_AI_CTRL_BIT_DATA_FIFO 0x00000080
#define ME4000_AI_CTRL_BIT_FULLSCALE 0x00000100
#define ME4000_AI_CTRL_BIT_OFFSET 0x00000200
#define ME4000_AI_CTRL_BIT_EX_TRIG_ANALOG 0x00000400
#define ME4000_AI_CTRL_BIT_EX_TRIG 0x00000800
#define ME4000_AI_CTRL_BIT_EX_TRIG_FALLING 0x00001000
#define ME4000_AI_CTRL_BIT_EX_IRQ 0x00002000
#define ME4000_AI_CTRL_BIT_EX_IRQ_RESET 0x00004000
#define ME4000_AI_CTRL_BIT_LE_IRQ 0x00008000
#define ME4000_AI_CTRL_BIT_LE_IRQ_RESET 0x00010000
#define ME4000_AI_CTRL_BIT_HF_IRQ 0x00020000
#define ME4000_AI_CTRL_BIT_HF_IRQ_RESET 0x00040000
#define ME4000_AI_CTRL_BIT_SC_IRQ 0x00080000
#define ME4000_AI_CTRL_BIT_SC_IRQ_RESET 0x00100000
#define ME4000_AI_CTRL_BIT_SC_RELOAD 0x00200000
#define ME4000_AI_CTRL_BIT_EX_TRIG_BOTH 0x80000000
/*=============================================================================
Bits for the ME4000_AI_STATUS_REG register
===========================================================================*/
#define ME4000_AI_STATUS_BIT_EF_CHANNEL 0x00400000
#define ME4000_AI_STATUS_BIT_HF_CHANNEL 0x00800000
#define ME4000_AI_STATUS_BIT_FF_CHANNEL 0x01000000
#define ME4000_AI_STATUS_BIT_EF_DATA 0x02000000
#define ME4000_AI_STATUS_BIT_HF_DATA 0x04000000
#define ME4000_AI_STATUS_BIT_FF_DATA 0x08000000
#define ME4000_AI_STATUS_BIT_LE 0x10000000
#define ME4000_AI_STATUS_BIT_FSM 0x20000000
/*=============================================================================
Bits for the ME4000_IRQ_STATUS_REG register
===========================================================================*/
#define ME4000_IRQ_STATUS_BIT_EX 0x01
#define ME4000_IRQ_STATUS_BIT_LE 0x02
#define ME4000_IRQ_STATUS_BIT_AI_HF 0x04
#define ME4000_IRQ_STATUS_BIT_AO_0_HF 0x08
#define ME4000_IRQ_STATUS_BIT_AO_1_HF 0x10
#define ME4000_IRQ_STATUS_BIT_AO_2_HF 0x20
#define ME4000_IRQ_STATUS_BIT_AO_3_HF 0x40
#define ME4000_IRQ_STATUS_BIT_SC 0x80
/*=============================================================================
Bits for the ME4000_DIO_CTRL_REG register
===========================================================================*/
#define ME4000_DIO_CTRL_BIT_MODE_0 0x0001
#define ME4000_DIO_CTRL_BIT_MODE_1 0x0002
#define ME4000_DIO_CTRL_BIT_MODE_2 0x0004
#define ME4000_DIO_CTRL_BIT_MODE_3 0x0008
#define ME4000_DIO_CTRL_BIT_MODE_4 0x0010
#define ME4000_DIO_CTRL_BIT_MODE_5 0x0020
#define ME4000_DIO_CTRL_BIT_MODE_6 0x0040
#define ME4000_DIO_CTRL_BIT_MODE_7 0x0080
#define ME4000_DIO_CTRL_BIT_FUNCTION_0 0x0100
#define ME4000_DIO_CTRL_BIT_FUNCTION_1 0x0200
#define ME4000_DIO_CTRL_BIT_FIFO_HIGH_0 0x0400
#define ME4000_DIO_CTRL_BIT_FIFO_HIGH_1 0x0800
#define ME4000_DIO_CTRL_BIT_FIFO_HIGH_2 0x1000
#define ME4000_DIO_CTRL_BIT_FIFO_HIGH_3 0x2000
/*=============================================================================
Information about the hardware capabilities
===========================================================================*/
struct me4000_ao_info {
int count;
int fifo_count;
};
struct me4000_ai_info {
int count;
int sh_count;
int diff_count;
int ex_trig_analog;
};
struct me4000_dio_info {
int count;
};
struct me4000_cnt_info {
int count;
};
struct me4000_board {
const char *name;
unsigned short device_id;
struct me4000_ao_info ao;
struct me4000_ai_info ai;
struct me4000_dio_info dio;
struct me4000_cnt_info cnt;
};
#define thisboard ((const struct me4000_board *)dev->board_ptr)
/*=============================================================================
Global board and subdevice information structures
===========================================================================*/
struct me4000_ao_context {
int irq;
unsigned long mirror; /* Store the last written value */
unsigned long ctrl_reg;
unsigned long status_reg;
unsigned long fifo_reg;
unsigned long single_reg;
unsigned long timer_reg;
unsigned long irq_status_reg;
unsigned long preload_reg;
};
struct me4000_ai_context {
int irq;
unsigned long ctrl_reg;
unsigned long status_reg;
unsigned long channel_list_reg;
unsigned long data_reg;
unsigned long chan_timer_reg;
unsigned long chan_pre_timer_reg;
unsigned long scan_timer_low_reg;
unsigned long scan_timer_high_reg;
unsigned long scan_pre_timer_low_reg;
unsigned long scan_pre_timer_high_reg;
unsigned long start_reg;
unsigned long irq_status_reg;
unsigned long sample_counter_reg;
};
struct me4000_dio_context {
unsigned long dir_reg;
unsigned long ctrl_reg;
unsigned long port_0_reg;
unsigned long port_1_reg;
unsigned long port_2_reg;
unsigned long port_3_reg;
};
struct me4000_cnt_context {
unsigned long ctrl_reg;
unsigned long counter_0_reg;
unsigned long counter_1_reg;
unsigned long counter_2_reg;
};
struct me4000_info {
unsigned long plx_regbase; /* PLX configuration space base address */
unsigned long me4000_regbase; /* Base address of the ME4000 */
unsigned long timer_regbase; /* Base address of the timer circuit */
unsigned long program_regbase; /* Base address to set the program pin for the xilinx */
unsigned long plx_regbase_size; /* PLX register set space */
unsigned long me4000_regbase_size; /* ME4000 register set space */
unsigned long timer_regbase_size; /* Timer circuit register set space */
unsigned long program_regbase_size; /* Size of program base address of the ME4000 */
unsigned int serial_no; /* Serial number of the board */
unsigned char hw_revision; /* Hardware revision of the board */
unsigned short vendor_id; /* Meilhaus vendor id */
unsigned short device_id; /* Device id */
struct pci_dev *pci_dev_p; /* General PCI information */
unsigned int irq; /* IRQ assigned from the PCI BIOS */
struct me4000_ai_context ai_context; /* Analog input specific context */
struct me4000_ao_context ao_context[4]; /* Vector with analog output specific context */
struct me4000_dio_context dio_context; /* Digital I/O specific context */
struct me4000_cnt_context cnt_context; /* Counter specific context */
};
#define info ((struct me4000_info *)dev->private)
/*-----------------------------------------------------------------------------
Defines for analog input
----------------------------------------------------------------------------*/
/* General stuff */
#define ME4000_AI_FIFO_COUNT 2048
#define ME4000_AI_MIN_TICKS 66
#define ME4000_AI_MIN_SAMPLE_TIME 2000 /* Minimum sample time [ns] */
#define ME4000_AI_BASE_FREQUENCY (unsigned int) 33E6
/* Channel list defines and masks */
#define ME4000_AI_CHANNEL_LIST_COUNT 1024
#define ME4000_AI_LIST_INPUT_SINGLE_ENDED 0x000
#define ME4000_AI_LIST_INPUT_DIFFERENTIAL 0x020
#define ME4000_AI_LIST_RANGE_BIPOLAR_10 0x000
#define ME4000_AI_LIST_RANGE_BIPOLAR_2_5 0x040
#define ME4000_AI_LIST_RANGE_UNIPOLAR_10 0x080
#define ME4000_AI_LIST_RANGE_UNIPOLAR_2_5 0x0C0
#define ME4000_AI_LIST_LAST_ENTRY 0x100
/*-----------------------------------------------------------------------------
Defines for counters
----------------------------------------------------------------------------*/
#define ME4000_CNT_COUNTER_0 0x00
#define ME4000_CNT_COUNTER_1 0x40
#define ME4000_CNT_COUNTER_2 0x80
#define ME4000_CNT_MODE_0 0x00 /* Change state if zero crossing */
#define ME4000_CNT_MODE_1 0x02 /* Retriggerable One-Shot */
#define ME4000_CNT_MODE_2 0x04 /* Asymmetrical divider */
#define ME4000_CNT_MODE_3 0x06 /* Symmetrical divider */
#define ME4000_CNT_MODE_4 0x08 /* Counter start by software trigger */
#define ME4000_CNT_MODE_5 0x0A /* Counter start by hardware trigger */
#endif
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