LXR linux/drivers/staging/comedi/drivers/addi-data/addi

   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/kernel.h>
  19#include <linux/module.h>
  20#include <linux/sched.h>
  21#include <linux/mm.h>
  22#include <linux/slab.h>
  23#include <linux/errno.h>
  24#include <linux/ioport.h>
  25#include <linux/delay.h>
  26#include <linux/interrupt.h>
  27#include <linux/timex.h>
  28#include <linux/timer.h>
  29#include <linux/pci.h>
  30#include <linux/io.h>
  31#include <linux/kmod.h>
  32#include <linux/uaccess.h>
  33#include "../../comedidev.h"
  34#include "addi_amcc_s5933.h"
  35
  36#define ERROR   -1
  37#define SUCCESS 1
  38
  39#define LOBYTE(W)       (unsigned char)((W) & 0xFF)
  40#define HIBYTE(W)       (unsigned char)(((W) >> 8) & 0xFF)
  41#define MAKEWORD(H, L)  (unsigned short)((L) | ((H) << 8))
  42#define LOWORD(W)       (unsigned short)((W) & 0xFFFF)
  43#define HIWORD(W)       (unsigned short)(((W) >> 16) & 0xFFFF)
  44#define MAKEDWORD(H, L) (unsigned int)((L) | ((H) << 16))
  45
  46#define ADDI_ENABLE             1
  47#define ADDI_DISABLE            0
  48#define APCI1710_SAVE_INTERRUPT 1
  49
  50#define ADDIDATA_EEPROM         1
  51#define ADDIDATA_NO_EEPROM      0
  52#define ADDIDATA_93C76          "93C76"
  53#define ADDIDATA_S5920          "S5920"
  54#define ADDIDATA_S5933          "S5933"
  55#define ADDIDATA_9054           "9054"
  56
  57/* ADDIDATA Enable Disable */
  58#define ADDIDATA_ENABLE         1
  59#define ADDIDATA_DISABLE        0
  60
  61/* Structures */
  62
  63/* structure for the boardtype */
  64struct addi_board {
  65        const char *pc_DriverName;      /*  driver name */
  66        int i_VendorId;         /* PCI vendor a device ID of card */
  67        int i_DeviceId;
  68        int i_IorangeBase0;
  69        int i_IorangeBase1;
  70        int i_IorangeBase2;     /*   base 2 range */
  71        int i_IorangeBase3;     /*   base 3 range */
  72        int i_PCIEeprom;        /*  eeprom present or not */
  73        char *pc_EepromChip;    /*  type of chip */
  74        int i_NbrAiChannel;     /*  num of A/D chans */
  75        int i_NbrAiChannelDiff; /*  num of A/D chans in diff mode */
  76        int i_AiChannelList;    /*  len of chanlist */
  77        int i_NbrAoChannel;     /*  num of D/A chans */
  78        int i_AiMaxdata;        /*  resolution of A/D */
  79        int i_AoMaxdata;        /*  resolution of D/A */
  80        const struct comedi_lrange *pr_AiRangelist;     /* rangelist for A/D */
  81        const struct comedi_lrange *pr_AoRangelist;     /* rangelist for D/A */
  82
  83        int i_NbrDiChannel;     /*  Number of DI channels */
  84        int i_NbrDoChannel;     /*  Number of DO channels */
  85        int i_DoMaxdata;        /*  data to set all chanels high */
  86
  87        int i_NbrTTLChannel;    /*  Number of TTL channels */
  88        const struct comedi_lrange *pr_TTLRangelist;    /* rangelist for TTL */
  89
  90        int i_Dma;              /*  dma present or not */
  91        int i_Timer;            /*    timer subdevice present or not */
  92        unsigned char b_AvailableConvertUnit;
  93        unsigned int ui_MinAcquisitiontimeNs;   /*  Minimum Acquisition in Nano secs */
  94        unsigned int ui_MinDelaytimeNs; /*  Minimum Delay in Nano secs */
  95
  96        /* interrupt and reset */
  97        void (*v_hwdrv_Interrupt)(int irq, void *d);
  98        int (*i_hwdrv_Reset)(struct comedi_device *dev);
  99
 100        /* Subdevice functions */
 101
 102        /* ANALOG INPUT */
 103        int (*i_hwdrv_InsnConfigAnalogInput)(struct comedi_device *dev,
 104                                             struct comedi_subdevice *s,
 105                                             struct comedi_insn *insn,
 106                                             unsigned int *data);
 107        int (*i_hwdrv_InsnReadAnalogInput)(struct comedi_device *dev,
 108                                            struct comedi_subdevice *s,
 109                                            struct comedi_insn *insn,
 110                                            unsigned int *data);
 111        int (*i_hwdrv_InsnWriteAnalogInput)(struct comedi_device *dev,
 112                                            struct comedi_subdevice *s,
 113                                            struct comedi_insn *insn,
 114                                            unsigned int *data);
 115        int (*i_hwdrv_InsnBitsAnalogInput)(struct comedi_device *dev,
 116                                           struct comedi_subdevice *s,
 117                                           struct comedi_insn *insn,
 118                                           unsigned int *data);
 119        int (*i_hwdrv_CommandTestAnalogInput)(struct comedi_device *dev,
 120                                              struct comedi_subdevice *s,
 121                                              struct comedi_cmd *cmd);
 122        int (*i_hwdrv_CommandAnalogInput)(struct comedi_device *dev,
 123                                          struct comedi_subdevice *s);
 124        int (*i_hwdrv_CancelAnalogInput)(struct comedi_device *dev,
 125                                         struct comedi_subdevice *s);
 126
 127        /* Analog Output */
 128        int (*i_hwdrv_InsnConfigAnalogOutput)(struct comedi_device *dev,
 129                                              struct comedi_subdevice *s,
 130                                              struct comedi_insn *insn,
 131                                              unsigned int *data);
 132        int (*i_hwdrv_InsnWriteAnalogOutput)(struct comedi_device *dev,
 133                                             struct comedi_subdevice *s,
 134                                             struct comedi_insn *insn,
 135                                             unsigned int *data);
 136        int (*i_hwdrv_InsnBitsAnalogOutput)(struct comedi_device *dev,
 137                                            struct comedi_subdevice *s,
 138                                            struct comedi_insn *insn,
 139                                            unsigned int *data);
 140
 141        /* Digital Input */
 142        int (*i_hwdrv_InsnConfigDigitalInput) (struct comedi_device *dev,
 143                                               struct comedi_subdevice *s,
 144                                               struct comedi_insn *insn,
 145                                               unsigned int *data);
 146        int (*i_hwdrv_InsnReadDigitalInput) (struct comedi_device *dev,
 147                                             struct comedi_subdevice *s,
 148                                             struct comedi_insn *insn,
 149                                             unsigned int *data);
 150        int (*i_hwdrv_InsnWriteDigitalInput) (struct comedi_device *dev,
 151                                              struct comedi_subdevice *s,
 152                                              struct comedi_insn *insn,
 153                                              unsigned int *data);
 154        int (*i_hwdrv_InsnBitsDigitalInput) (struct comedi_device *dev,
 155                                             struct comedi_subdevice *s,
 156                                             struct comedi_insn *insn,
 157                                             unsigned int *data);
 158
 159        /* Digital Output */
 160        int (*i_hwdrv_InsnConfigDigitalOutput)(struct comedi_device *dev,
 161                                               struct comedi_subdevice *s,
 162                                               struct comedi_insn *insn,
 163                                               unsigned int *data);
 164        int (*i_hwdrv_InsnWriteDigitalOutput)(struct comedi_device *dev,
 165                                              struct comedi_subdevice *s,
 166                                              struct comedi_insn *insn,
 167                                              unsigned int *data);
 168        int (*i_hwdrv_InsnBitsDigitalOutput)(struct comedi_device *dev,
 169                                             struct comedi_subdevice *s,
 170                                             struct comedi_insn *insn,
 171                                             unsigned int *data);
 172        int (*i_hwdrv_InsnReadDigitalOutput)(struct comedi_device *dev,
 173                                             struct comedi_subdevice *s,
 174                                             struct comedi_insn *insn,
 175                                             unsigned int *data);
 176
 177        /* TIMER */
 178        int (*i_hwdrv_InsnConfigTimer)(struct comedi_device *dev,
 179                                       struct comedi_subdevice *s,
 180                                       struct comedi_insn *insn, unsigned int *data);
 181        int (*i_hwdrv_InsnWriteTimer)(struct comedi_device *dev,
 182                                      struct comedi_subdevice *s, struct comedi_insn *insn,
 183                                      unsigned int *data);
 184        int (*i_hwdrv_InsnReadTimer)(struct comedi_device *dev, struct comedi_subdevice *s,
 185                                     struct comedi_insn *insn, unsigned int *data);
 186        int (*i_hwdrv_InsnBitsTimer)(struct comedi_device *dev, struct comedi_subdevice *s,
 187                                     struct comedi_insn *insn, unsigned int *data);
 188
 189        /* TTL IO */
 190        int (*i_hwdr_ConfigInitTTLIO)(struct comedi_device *dev,
 191                                      struct comedi_subdevice *s, struct comedi_insn *insn,
 192                                      unsigned int *data);
 193        int (*i_hwdr_ReadTTLIOBits)(struct comedi_device *dev, struct comedi_subdevice *s,
 194                                    struct comedi_insn *insn, unsigned int *data);
 195        int (*i_hwdr_ReadTTLIOAllPortValue)(struct comedi_device *dev,
 196                                            struct comedi_subdevice *s,
 197                                            struct comedi_insn *insn,
 198                                            unsigned int *data);
 199        int (*i_hwdr_WriteTTLIOChlOnOff)(struct comedi_device *dev,
 200                                         struct comedi_subdevice *s,
 201                                         struct comedi_insn *insn, unsigned int *data);
 202};
 203
 204/* MODULE INFO STRUCTURE */
 205
 206union str_ModuleInfo {
 207        /* Incremental counter infos */
 208        struct {
 209                union {
 210                        struct {
 211                                unsigned char b_ModeRegister1;
 212                                unsigned char b_ModeRegister2;
 213                                unsigned char b_ModeRegister3;
 214                                unsigned char b_ModeRegister4;
 215                        } s_ByteModeRegister;
 216                        unsigned int dw_ModeRegister1_2_3_4;
 217                } s_ModeRegister;
 218
 219                struct {
 220                        unsigned int b_IndexInit:1;
 221                        unsigned int b_CounterInit:1;
 222                        unsigned int b_ReferenceInit:1;
 223                        unsigned int b_IndexInterruptOccur:1;
 224                        unsigned int b_CompareLogicInit:1;
 225                        unsigned int b_FrequencyMeasurementInit:1;
 226                        unsigned int b_FrequencyMeasurementEnable:1;
 227                } s_InitFlag;
 228
 229        } s_SiemensCounterInfo;
 230
 231        /* SSI infos */
 232        struct {
 233                unsigned char b_SSIProfile;
 234                unsigned char b_PositionTurnLength;
 235                unsigned char b_TurnCptLength;
 236                unsigned char b_SSIInit;
 237        } s_SSICounterInfo;
 238
 239        /* TTL I/O infos */
 240        struct {
 241                unsigned char b_TTLInit;
 242                unsigned char b_PortConfiguration[4];
 243        } s_TTLIOInfo;
 244
 245        /* Digital I/O infos */
 246        struct {
 247                unsigned char b_DigitalInit;
 248                unsigned char b_ChannelAMode;
 249                unsigned char b_ChannelBMode;
 250                unsigned char b_OutputMemoryEnabled;
 251                unsigned int dw_OutputMemory;
 252        } s_DigitalIOInfo;
 253
 254      /*********************/
 255        /* 82X54 timer infos */
 256      /*********************/
 257
 258        struct {
 259                struct {
 260                        unsigned char b_82X54Init;
 261                        unsigned char b_InputClockSelection;
 262                        unsigned char b_InputClockLevel;
 263                        unsigned char b_OutputLevel;
 264                        unsigned char b_HardwareGateLevel;
 265                        unsigned int dw_ConfigurationWord;
 266                } s_82X54TimerInfo[3];
 267                unsigned char b_InterruptMask;
 268        } s_82X54ModuleInfo;
 269
 270      /*********************/
 271        /* Chronometer infos */
 272      /*********************/
 273
 274        struct {
 275                unsigned char b_ChronoInit;
 276                unsigned char b_InterruptMask;
 277                unsigned char b_PCIInputClock;
 278                unsigned char b_TimingUnit;
 279                unsigned char b_CycleMode;
 280                double d_TimingInterval;
 281                unsigned int dw_ConfigReg;
 282        } s_ChronoModuleInfo;
 283
 284      /***********************/
 285        /* Pulse encoder infos */
 286      /***********************/
 287
 288        struct {
 289                struct {
 290                        unsigned char b_PulseEncoderInit;
 291                } s_PulseEncoderInfo[4];
 292                unsigned int dw_SetRegister;
 293                unsigned int dw_ControlRegister;
 294                unsigned int dw_StatusRegister;
 295        } s_PulseEncoderModuleInfo;
 296
 297        /* Tor conter infos */
 298        struct {
 299                struct {
 300                        unsigned char b_TorCounterInit;
 301                        unsigned char b_TimingUnit;
 302                        unsigned char b_InterruptEnable;
 303                        double d_TimingInterval;
 304                        unsigned int ul_RealTimingInterval;
 305                } s_TorCounterInfo[2];
 306                unsigned char b_PCIInputClock;
 307        } s_TorCounterModuleInfo;
 308
 309        /* PWM infos */
 310        struct {
 311                struct {
 312                        unsigned char b_PWMInit;
 313                        unsigned char b_TimingUnit;
 314                        unsigned char b_InterruptEnable;
 315                        double d_LowTiming;
 316                        double d_HighTiming;
 317                        unsigned int ul_RealLowTiming;
 318                        unsigned int ul_RealHighTiming;
 319                } s_PWMInfo[2];
 320                unsigned char b_ClockSelection;
 321        } s_PWMModuleInfo;
 322
 323        /* ETM infos */
 324        struct {
 325                struct {
 326                        unsigned char b_ETMEnable;
 327                        unsigned char b_ETMInterrupt;
 328                } s_ETMInfo[2];
 329                unsigned char b_ETMInit;
 330                unsigned char b_TimingUnit;
 331                unsigned char b_ClockSelection;
 332                double d_TimingInterval;
 333                unsigned int ul_Timing;
 334        } s_ETMModuleInfo;
 335
 336        /* CDA infos */
 337        struct {
 338                unsigned char b_CDAEnable;
 339                unsigned char b_CDAInterrupt;
 340                unsigned char b_CDAInit;
 341                unsigned char b_FctSelection;
 342                unsigned char b_CDAReadFIFOOverflow;
 343        } s_CDAModuleInfo;
 344
 345};
 346
 347/* Private structure for the addi_apci3120 driver */
 348struct addi_private {
 349
 350        int iobase;
 351        int i_IobaseAmcc;       /*  base+size for AMCC chip */
 352        int i_IobaseAddon;      /* addon base address */
 353        int i_IobaseReserved;
 354        unsigned long dw_AiBase;
 355        struct pcilst_struct *amcc;     /*  ptr too AMCC data */
 356        unsigned char allocated;                /*  we have blocked card */
 357        unsigned char b_ValidDriver;    /*  driver is ok */
 358        unsigned char b_AiContinuous;   /*  we do unlimited AI */
 359        unsigned char b_AiInitialisation;
 360        unsigned int ui_AiActualScan;   /* how many scans we finished */
 361        unsigned int ui_AiBufferPtr;    /*  data buffer ptr in samples */
 362        unsigned int ui_AiNbrofChannels;        /*  how many channels is measured */
 363        unsigned int ui_AiScanLength;   /*  Length of actual scanlist */
 364        unsigned int ui_AiActualScanPosition;   /*  position in actual scan */
 365        unsigned int *pui_AiChannelList;        /*  actual chanlist */
 366        unsigned int ui_AiChannelList[32];      /*  actual chanlist */
 367        unsigned char b_AiChannelConfiguration[32];     /*  actual chanlist */
 368        unsigned int ui_AiReadData[32];
 369        unsigned int dw_AiInitialised;
 370        unsigned int ui_AiTimer0;       /* Timer Constant for Timer0 */
 371        unsigned int ui_AiTimer1;       /* Timer constant for Timer1 */
 372        unsigned int ui_AiFlags;
 373        unsigned int ui_AiDataLength;
 374        short *AiData;  /*  Pointer to sample data */
 375        unsigned int ui_AiNbrofScans;   /*  number of scans to do */
 376        unsigned short us_UseDma;       /*  To use Dma or not */
 377        unsigned char b_DmaDoubleBuffer;        /*  we can use double buffering */
 378        unsigned int ui_DmaActualBuffer;        /*  which buffer is used now */
 379        /* UPDATE-0.7.57->0.7.68 */
 380        /* unsigned int               ul_DmaBufferVirtual[2]; pointers to begin of DMA buffer */
 381        short *ul_DmaBufferVirtual[2];  /*  pointers to begin of DMA buffer */
 382        unsigned int ul_DmaBufferHw[2]; /*  hw address of DMA buff */
 383        unsigned int ui_DmaBufferSize[2];       /*  size of dma buffer in bytes */
 384        unsigned int ui_DmaBufferUsesize[2];    /*  which size we may now used for transfer */
 385        unsigned int ui_DmaBufferSamples[2];    /*  size in samples */
 386        unsigned int ui_DmaBufferPages[2];      /*  number of pages in buffer */
 387        unsigned char b_DigitalOutputRegister;  /*  Digital Output Register */
 388        unsigned char b_OutputMemoryStatus;
 389        unsigned char b_AnalogInputChannelNbr;  /*  Analog input channel Nbr */
 390        unsigned char b_AnalogOutputChannelNbr; /*  Analog input Output  Nbr */
 391        unsigned char b_TimerSelectMode;        /*  Contain data written at iobase + 0C */
 392        unsigned char b_ModeSelectRegister;     /*  Contain data written at iobase + 0E */
 393        unsigned short us_OutputRegister;       /*  Contain data written at iobase + 0 */
 394        unsigned char b_InterruptState;
 395        unsigned char b_TimerInit;      /*  Specify if InitTimerWatchdog was load */
 396        unsigned char b_TimerStarted;   /*  Specify if timer 2 is running or not */
 397        unsigned char b_Timer2Mode;     /*  Specify the timer 2 mode */
 398        unsigned char b_Timer2Interrupt;        /* Timer2  interrupt enable or disable */
 399        unsigned char b_AiCyclicAcquisition;    /*  indicate cyclic acquisition */
 400        unsigned char b_InterruptMode;  /*  eoc eos or dma */
 401        unsigned char b_EocEosInterrupt;        /*  Enable disable eoc eos interrupt */
 402        unsigned int ui_EocEosConversionTime;
 403        unsigned char b_EocEosConversionTimeBase;
 404        unsigned char b_SingelDiff;
 405        unsigned char b_ExttrigEnable;  /* To enable or disable external trigger */
 406
 407        /* Pointer to the current process */
 408        struct task_struct *tsk_Current;
 409        struct addi_board *ps_BoardInfo;
 410
 411        /* Hardware board infos for 1710 */
 412        struct {
 413                unsigned int ui_Address;        /* Board address */
 414                unsigned int ui_FlashAddress;
 415                unsigned char b_InterruptNbr;   /* Board interrupt number */
 416                unsigned char b_SlotNumber;     /* PCI slot number */
 417                unsigned char b_BoardVersion;
 418                unsigned int dw_MolduleConfiguration[4];        /* Module config */
 419        } s_BoardInfos;
 420
 421        /* Interrupt infos */
 422        struct {
 423                unsigned int ul_InterruptOccur; /* 0   : No interrupt occur */
 424                                                /* > 0 : Interrupt occur */
 425                unsigned int ui_Read;   /* Read FIFO */
 426                unsigned int ui_Write;  /* Write FIFO */
 427                struct {
 428                        unsigned char b_OldModuleMask;
 429                        unsigned int ul_OldInterruptMask;       /* Interrupt mask */
 430                        unsigned int ul_OldCounterLatchValue;   /* Interrupt counter value */
 431                } s_FIFOInterruptParameters[APCI1710_SAVE_INTERRUPT];
 432        } s_InterruptParameters;
 433
 434        union str_ModuleInfo s_ModuleInfo[4];
 435        unsigned int ul_TTLPortConfiguration[10];
 436
 437};
 438
 439static unsigned short pci_list_builded; /* set to 1 when list of card is known */
 440
 441/* Function declarations */
 442static int i_ADDI_Attach(struct comedi_device *dev, struct comedi_devconfig *it);
 443static int i_ADDI_Detach(struct comedi_device *dev);
 444static int i_ADDI_Reset(struct comedi_device *dev);
 445
 446static irqreturn_t v_ADDI_Interrupt(int irq, void *d);
 447static int i_ADDIDATA_InsnReadEeprom(struct comedi_device *dev, struct comedi_subdevice *s,
 448                                     struct comedi_insn *insn, unsigned int *data);
 449