drivers/scsi/oktagon_esp.h

   1 /* oktagon_esp.h: Defines and structures for the CyberStorm SCSI Mk II driver.
   2  *
   3  * Copyright (C) 1996 Jesper Skov (jskov@cs.auc.dk)
   4  */
   5
   6 #include "NCR53C9x.h"
   7
   8 #ifndef OKTAGON_ESP_H
   9 #define OKTAGON_ESP_H
  10
  11 /* The controller registers can be found in the Z2 config area at these
  12  * offsets:
  13  */
  14 #define OKTAGON_ESP_ADDR 0x03000
  15 #define OKTAGON_DMA_ADDR 0x01000
  16
  17
  18 /* The CyberStorm II DMA interface */
  19 struct oktagon_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 extern int oktagon_esp_detect(struct SHT *);
  33 extern int oktagon_esp_release(struct Scsi_Host *);
  34 extern const char *esp_info(struct Scsi_Host *);
  35 extern int esp_queue(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
  36 extern int esp_command(Scsi_Cmnd *);
  37 extern int esp_abort(Scsi_Cmnd *);
  38 extern int esp_reset(Scsi_Cmnd *, unsigned int);
  39 extern int esp_proc_info(char *buffer, char **start, off_t offset, int length,
  40                         int hostno, int inout);
  41
  42 #define SCSI_OKTAGON_ESP {                       \
  43    proc_name:           "esp-oktagon",           \
  44    proc_info:           &esp_proc_info,          \
  45    name:                "BSC Oktagon SCSI",      \
  46    detect:              oktagon_esp_detect,      \
  47    release:             oktagon_esp_release,     \
  48    queuecommand:        esp_queue,               \
  49    abort:               esp_abort,               \
  50    reset:               esp_reset,               \
  51    can_queue:           7,                       \
  52    this_id:             7,                       \
  53    sg_tablesize:        SG_ALL,                  \
  54    cmd_per_lun:         1,                       \
  55    use_clustering:      ENABLE_CLUSTERING }
  56
  57 #endif /* OKTAGON_ESP_H */