1 /* 2 * Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module. 3 * 4 * ADDI-DATA GmbH 5 * Dieselstrasse 3 6 * D-77833 Ottersweier 7 * Tel: +19(0)7223/9493-0 8 * Fax: +49(0)7223/9493-92 9 * http://www.addi-data.com 10 * info@addi-data.com 11 * 12 * This program is free software; you can redistribute it and/or modify it 13 * under the terms of the GNU General Public License as published by the Free 14 * Software Foundation; either version 2 of the License, or (at your option) 15 * any later version. 16 */ 17 18 #include <linux/sched.h> 19 #include <linux/interrupt.h> 20 21 struct addi_board { 22 const char *pc_DriverName; /* driver name */ 23 int i_IorangeBase1; 24 int i_PCIEeprom; /* eeprom present or not */ 25 char *pc_EepromChip; /* type of chip */ 26 int i_NbrAiChannel; /* num of A/D chans */ 27 int i_NbrAiChannelDiff; /* num of A/D chans in diff mode */ 28 int i_AiChannelList; /* len of chanlist */ 29 int i_NbrAoChannel; /* num of D/A chans */ 30 int i_AiMaxdata; /* resolution of A/D */ 31 int i_AoMaxdata; /* resolution of D/A */ 32 const struct comedi_lrange *pr_AiRangelist; /* rangelist for A/D */ 33 34 int i_NbrDiChannel; /* Number of DI channels */ 35 int i_NbrDoChannel; /* Number of DO channels */ 36 int i_DoMaxdata; /* data to set all channels high */ 37 38 int i_Timer; /* timer subdevice present or not */ 39 unsigned int ui_MinAcquisitiontimeNs; /* Minimum Acquisition in Nano secs */ 40 unsigned int ui_MinDelaytimeNs; /* Minimum Delay in Nano secs */ 41 42 /* interrupt and reset */ 43 void (*interrupt)(int irq, void *d); 44 int (*reset)(struct comedi_device *); 45 46 /* Subdevice functions */ 47 48 /* ANALOG INPUT */ 49 int (*ai_config)(struct comedi_device *, struct comedi_subdevice *, 50 struct comedi_insn *, unsigned int *); 51 int (*ai_read)(struct comedi_device *, struct comedi_subdevice *, 52 struct comedi_insn *, unsigned int *); 53 int (*ai_write)(struct comedi_device *, struct comedi_subdevice *, 54 struct comedi_insn *, unsigned int *); 55 int (*ai_bits)(struct comedi_device *, struct comedi_subdevice *, 56 struct comedi_insn *, unsigned int *); 57 int (*ai_cmdtest)(struct comedi_device *, struct comedi_subdevice *, 58 struct comedi_cmd *); 59 int (*ai_cmd)(struct comedi_device *, struct comedi_subdevice *); 60 int (*ai_cancel)(struct comedi_device *, struct comedi_subdevice *); 61 62 /* Analog Output */ 63 int (*ao_write)(struct comedi_device *, struct comedi_subdevice *, 64 struct comedi_insn *, unsigned int *); 65 66 /* Digital Input */ 67 int (*di_config)(struct comedi_device *, struct comedi_subdevice *, 68 struct comedi_insn *, unsigned int *); 69 int (*di_read)(struct comedi_device *, struct comedi_subdevice *, 70 struct comedi_insn *, unsigned int *); 71 int (*di_write)(struct comedi_device *, struct comedi_subdevice *, 72 struct comedi_insn *, unsigned int *); 73 int (*di_bits)(struct comedi_device *, struct comedi_subdevice *, 74 struct comedi_insn *, unsigned int *); 75 76 /* Digital Output */ 77 int (*do_config)(struct comedi_device *, struct comedi_subdevice *, 78 struct comedi_insn *, unsigned int *); 79 int (*do_write)(struct comedi_device *, struct comedi_subdevice *, 80 struct comedi_insn *, unsigned int *); 81 int (*do_bits)(struct comedi_device *, struct comedi_subdevice *, 82 struct comedi_insn *, unsigned int *); 83 int (*do_read)(struct comedi_device *, struct comedi_subdevice *, 84 struct comedi_insn *, unsigned int *); 85 86 /* TIMER */ 87 int (*timer_config)(struct comedi_device *, struct comedi_subdevice *, 88 struct comedi_insn *, unsigned int *); 89 int (*timer_write)(struct comedi_device *, struct comedi_subdevice *, 90 struct comedi_insn *, unsigned int *); 91 int (*timer_read)(struct comedi_device *, struct comedi_subdevice *, 92 struct comedi_insn *, unsigned int *); 93 int (*timer_bits)(struct comedi_device *, struct comedi_subdevice *, 94 struct comedi_insn *, unsigned int *); 95 }; 96 97 struct addi_private { 98 int iobase; 99 int i_IobaseAmcc; /* base+size for AMCC chip */ 100 int i_IobaseAddon; /* addon base address */ 101 int i_IobaseReserved; 102 unsigned int ui_AiActualScan; /* how many scans we finished */ 103 unsigned int ui_AiNbrofChannels; /* how many channels is measured */ 104 unsigned int ui_AiChannelList[32]; /* actual chanlist */ 105 unsigned int ui_AiReadData[32]; 106 unsigned short us_UseDma; /* To use Dma or not */ 107 unsigned char b_DmaDoubleBuffer; /* we can use double buffering */ 108 unsigned int ui_DmaActualBuffer; /* which buffer is used now */ 109 unsigned short *ul_DmaBufferVirtual[2]; /* pointers to DMA buffer */ 110 dma_addr_t ul_DmaBufferHw[2]; /* hw address of DMA buff */ 111 unsigned int ui_DmaBufferSize[2]; /* size of dma buffer in bytes */ 112 unsigned int ui_DmaBufferUsesize[2]; /* which size we may now used for transfer */ 113 unsigned char b_DigitalOutputRegister; /* Digital Output Register */ 114 unsigned char b_OutputMemoryStatus; 115 unsigned char b_TimerSelectMode; /* Contain data written at iobase + 0C */ 116 unsigned char b_ModeSelectRegister; /* Contain data written at iobase + 0E */ 117 unsigned short us_OutputRegister; /* Contain data written at iobase + 0 */ 118 unsigned char b_Timer2Mode; /* Specify the timer 2 mode */ 119 unsigned char b_Timer2Interrupt; /* Timer2 interrupt enable or disable */ 120 unsigned int ai_running:1; 121 unsigned char b_InterruptMode; /* eoc eos or dma */ 122 unsigned char b_EocEosInterrupt; /* Enable disable eoc eos interrupt */ 123 unsigned int ui_EocEosConversionTime; 124 unsigned char b_ExttrigEnable; /* To enable or disable external trigger */ 125 126 /* Pointer to the current process */ 127 struct task_struct *tsk_Current; 128 129 /* Parameters read from EEPROM overriding static board info */ 130 struct { 131 int i_NbrAiChannel; /* num of A/D chans */ 132 int i_NbrAoChannel; /* num of D/A chans */ 133 int i_AiMaxdata; /* resolution of A/D */ 134 int i_AoMaxdata; /* resolution of D/A */ 135 int i_NbrDiChannel; /* Number of DI channels */ 136 int i_NbrDoChannel; /* Number of DO channels */ 137 int i_DoMaxdata; /* data to set all channels high */ 138 int i_Timer; /* timer subdevice present or not */ 139 unsigned int ui_MinAcquisitiontimeNs; 140 /* Minimum Acquisition in Nano secs */ 141 unsigned int ui_MinDelaytimeNs; 142 /* Minimum Delay in Nano secs */ 143 } s_EeParameters; 144 }; 145