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/* oktagon_esp.h: Defines and structures for the CyberStorm SCSI Mk II driver.

 *

 * Copyright (C) 1996 Jesper Skov (jskov@cs.auc.dk)

 */

#include "NCR53C9x.h"

#ifndef OKTAGON_ESP_H

#define OKTAGON_ESP_H

/* The controller registers can be found in the Z2 config area at these

 * offsets:

 */

#define OKTAGON_ESP_ADDR 0x03000

#define OKTAGON_DMA_ADDR 0x01000

/* The CyberStorm II DMA interface */

struct oktagon_dma_registers {

        volatile unsigned char cond_reg;        /* DMA cond    (ro)  [0x000] */

#define ctrl_reg  cond_reg                      /* DMA control (wo)  [0x000] */

        unsigned char dmapad4[0x3f];

        volatile unsigned char dma_addr0;       /* DMA address (MSB) [0x040] */

        unsigned char dmapad1[3];

        volatile unsigned char dma_addr1;       /* DMA address       [0x044] */

        unsigned char dmapad2[3];

        volatile unsigned char dma_addr2;       /* DMA address       [0x048] */

        unsigned char dmapad3[3];

        volatile unsigned char dma_addr3;       /* DMA address (LSB) [0x04c] */

};

extern int oktagon_esp_detect(struct SHT *);

extern int oktagon_esp_release(struct Scsi_Host *);

extern const char *esp_info(struct Scsi_Host *);

extern int esp_queue(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));

extern int esp_command(Scsi_Cmnd *);

extern int esp_abort(Scsi_Cmnd *);

extern int esp_reset(Scsi_Cmnd *, unsigned int);

extern int esp_proc_info(char *buffer, char **start, off_t offset, int length,

                        int hostno, int inout);

#define SCSI_OKTAGON_ESP {                       \

   proc_name:           "esp-oktagon",           \

   proc_info:           &esp_proc_info,          \

   name:                "BSC Oktagon SCSI",      \

   detect:              oktagon_esp_detect,      \

   release:             oktagon_esp_release,     \

   queuecommand:        esp_queue,               \

   abort:               esp_abort,               \

   reset:               esp_reset,               \

   can_queue:           7,                       \

   this_id:             7,                       \

   sg_tablesize:        SG_ALL,                  \

   cmd_per_lun:         1,                       \

   use_clustering:      ENABLE_CLUSTERING }

#endif /* OKTAGON_ESP_H */