release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/staging/comedi/drivers/addi-data/addi_common.h

   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 */
  64 struct 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 channels 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
 206 union 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 */
 348 struct 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         void __iomem *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
 439 static unsigned short pci_list_builded; /* set to 1 when list of card is known */
 440
 441 /* Function declarations */
 442 static int i_ADDI_Attach(struct comedi_device *dev, struct comedi_devconfig *it);
 443 static int i_ADDI_Detach(struct comedi_device *dev);
 444 static int i_ADDI_Reset(struct comedi_device *dev);
 445
 446 static irqreturn_t v_ADDI_Interrupt(int irq, void *d);
 447 static int i_ADDIDATA_InsnReadEeprom(struct comedi_device *dev, struct comedi_subdevice *s,
 448                                      struct comedi_insn *insn, unsigned int *data);