drivers/scsi/cyberstormII.h

   1 /* cyberstormII.h: Defines and structures for the CyberStorm SCSI Mk II driver.
   2  *
   3  * Copyright (C) 1996 Jesper Skov (jskov@cygnus.co.uk)
   4  */
   5
   6 #include "NCR53C9x.h"
   7
   8 #ifndef CYBERII_ESP_H
   9 #define CYBERII_ESP_H
  10
  11 /* The controller registers can be found in the Z2 config area at these
  12  * offsets:
  13  */
  14 #define CYBERII_ESP_ADDR 0x1ff03
  15 #define CYBERII_DMA_ADDR 0x1ff43
  16
  17
  18 /* The CyberStorm II DMA interface */
  19 struct cyberII_dma_registers {
  20         volatile unsigned char cond_reg;        /* DMA cond    (ro)  [0x000] */
  21 #define ctrl_reg  cond_reg                      /* DMA control (wo)  [0x000] */
  22         unsigned char dmapad4[0x3f];
  23         volatile unsigned char dma_addr0;       /* DMA address (MSB) [0x040] */
  24         unsigned char dmapad1[3];
  25         volatile unsigned char dma_addr1;       /* DMA address       [0x044] */
  26         unsigned char dmapad2[3];
  27         volatile unsigned char dma_addr2;       /* DMA address       [0x048] */
  28         unsigned char dmapad3[3];
  29         volatile unsigned char dma_addr3;       /* DMA address (LSB) [0x04c] */
  30 };
  31
  32 /* DMA control bits */
  33 #define CYBERII_DMA_LED    0x02 /* HD led control 1 = on */
  34
  35
  36 extern int cyberII_esp_detect(struct SHT *);
  37 extern int cyberII_esp_release(struct Scsi_Host *);
  38 extern const char *esp_info(struct Scsi_Host *);
  39 extern int esp_queue(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
  40 extern int esp_command(Scsi_Cmnd *);
  41 extern int esp_abort(Scsi_Cmnd *);
  42 extern int esp_reset(Scsi_Cmnd *, unsigned int);
  43 extern int esp_proc_info(char *buffer, char **start, off_t offset, int length,
  44                          int hostno, int inout);
  45
  46 #define SCSI_CYBERSTORMII { proc_name:          "esp-cyberstormII", \
  47                             proc_info:          esp_proc_info, \
  48                             name:               "CyberStorm Mk II SCSI", \
  49                             detect:             cyberII_esp_detect, \
  50                             release:            cyberII_esp_release, \
  51                             queuecommand:       esp_queue, \
  52                             abort:              esp_abort, \
  53                             reset:              esp_reset, \
  54                             can_queue:          7, \
  55                             this_id:            7, \
  56                             sg_tablesize:       SG_ALL, \
  57                             cmd_per_lun:        1, \
  58                             use_clustering:     ENABLE_CLUSTERING }
  59
  60 #endif /* CYBERII_ESP_H */